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Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as numberUtil from './number';\nimport { getDefaultLocaleModel, getLocaleModel, SYSTEM_LANG } from '../core/locale';\nimport Model from '../model/Model';\nexport var ONE_SECOND = 1000;\nexport var ONE_MINUTE = ONE_SECOND * 60;\nexport var ONE_HOUR = ONE_MINUTE * 60;\nexport var ONE_DAY = ONE_HOUR * 24;\nexport var ONE_YEAR = ONE_DAY * 365;\nexport var defaultLeveledFormatter = {\n  year: '{yyyy}',\n  month: '{MMM}',\n  day: '{d}',\n  hour: '{HH}:{mm}',\n  minute: '{HH}:{mm}',\n  second: '{HH}:{mm}:{ss}',\n  millisecond: '{hh}:{mm}:{ss} {SSS}',\n  none: '{yyyy}-{MM}-{dd} {hh}:{mm}:{ss} {SSS}'\n};\nvar fullDayFormatter = '{yyyy}-{MM}-{dd}';\nexport var fullLeveledFormatter = {\n  year: '{yyyy}',\n  month: '{yyyy}-{MM}',\n  day: fullDayFormatter,\n  hour: fullDayFormatter + ' ' + defaultLeveledFormatter.hour,\n  minute: fullDayFormatter + ' ' + defaultLeveledFormatter.minute,\n  second: fullDayFormatter + ' ' + defaultLeveledFormatter.second,\n  millisecond: defaultLeveledFormatter.none\n};\nexport var primaryTimeUnits = ['year', 'month', 'day', 'hour', 'minute', 'second', 'millisecond'];\nexport var timeUnits = ['year', 'half-year', 'quarter', 'month', 'week', 'half-week', 'day', 'half-day', 'quarter-day', 'hour', 'minute', 'second', 'millisecond'];\nexport function pad(str, len) {\n  str += '';\n  return '0000'.substr(0, len - str.length) + str;\n}\nexport function getPrimaryTimeUnit(timeUnit) {\n  switch (timeUnit) {\n    case 'half-year':\n    case 'quarter':\n      return 'month';\n\n    case 'week':\n    case 'half-week':\n      return 'day';\n\n    case 'half-day':\n    case 'quarter-day':\n      return 'hour';\n\n    default:\n      // year, minutes, second, milliseconds\n      return timeUnit;\n  }\n}\nexport function isPrimaryTimeUnit(timeUnit) {\n  return timeUnit === getPrimaryTimeUnit(timeUnit);\n}\nexport function getDefaultFormatPrecisionOfInterval(timeUnit) {\n  switch (timeUnit) {\n    case 'year':\n    case 'month':\n      return 'day';\n\n    case 'millisecond':\n      return 'millisecond';\n\n    default:\n      // Also for day, hour, minute, second\n      return 'second';\n  }\n}\nexport function format( // Note: The result based on `isUTC` are totally different, which can not be just simply\n// substituted by the result without `isUTC`. So we make the param `isUTC` mandatory.\ntime, template, isUTC, lang) {\n  var date = numberUtil.parseDate(time);\n  var y = date[fullYearGetterName(isUTC)]();\n  var M = date[monthGetterName(isUTC)]() + 1;\n  var q = Math.floor((M - 1) / 4) + 1;\n  var d = date[dateGetterName(isUTC)]();\n  var e = date['get' + (isUTC ? 'UTC' : '') + 'Day']();\n  var H = date[hoursGetterName(isUTC)]();\n  var h = (H - 1) % 12 + 1;\n  var m = date[minutesGetterName(isUTC)]();\n  var s = date[secondsGetterName(isUTC)]();\n  var S = date[millisecondsGetterName(isUTC)]();\n  var localeModel = lang instanceof Model ? lang : getLocaleModel(lang || SYSTEM_LANG) || getDefaultLocaleModel();\n  var timeModel = localeModel.getModel('time');\n  var month = timeModel.get('month');\n  var monthAbbr = timeModel.get('monthAbbr');\n  var dayOfWeek = timeModel.get('dayOfWeek');\n  var dayOfWeekAbbr = timeModel.get('dayOfWeekAbbr');\n  return (template || '').replace(/{yyyy}/g, y + '').replace(/{yy}/g, y % 100 + '').replace(/{Q}/g, q + '').replace(/{MMMM}/g, month[M - 1]).replace(/{MMM}/g, monthAbbr[M - 1]).replace(/{MM}/g, pad(M, 2)).replace(/{M}/g, M + '').replace(/{dd}/g, pad(d, 2)).replace(/{d}/g, d + '').replace(/{eeee}/g, dayOfWeek[e]).replace(/{ee}/g, dayOfWeekAbbr[e]).replace(/{e}/g, e + '').replace(/{HH}/g, pad(H, 2)).replace(/{H}/g, H + '').replace(/{hh}/g, pad(h + '', 2)).replace(/{h}/g, h + '').replace(/{mm}/g, pad(m, 2)).replace(/{m}/g, m + '').replace(/{ss}/g, pad(s, 2)).replace(/{s}/g, s + '').replace(/{SSS}/g, pad(S, 3)).replace(/{S}/g, S + '');\n}\nexport function leveledFormat(tick, idx, formatter, lang, isUTC) {\n  var template = null;\n\n  if (typeof formatter === 'string') {\n    // Single formatter for all units at all levels\n    template = formatter;\n  } else if (typeof formatter === 'function') {\n    // Callback formatter\n    template = formatter(tick.value, idx, {\n      level: tick.level\n    });\n  } else {\n    var defaults = zrUtil.extend({}, defaultLeveledFormatter);\n\n    if (tick.level > 0) {\n      for (var i = 0; i < primaryTimeUnits.length; ++i) {\n        defaults[primaryTimeUnits[i]] = \"{primary|\" + defaults[primaryTimeUnits[i]] + \"}\";\n      }\n    }\n\n    var mergedFormatter = formatter ? formatter.inherit === false ? formatter // Use formatter with bigger units\n    : zrUtil.defaults(formatter, defaults) : defaults;\n    var unit = getUnitFromValue(tick.value, isUTC);\n\n    if (mergedFormatter[unit]) {\n      template = mergedFormatter[unit];\n    } else if (mergedFormatter.inherit) {\n      // Unit formatter is not defined and should inherit from bigger units\n      var targetId = timeUnits.indexOf(unit);\n\n      for (var i = targetId - 1; i >= 0; --i) {\n        if (mergedFormatter[unit]) {\n          template = mergedFormatter[unit];\n          break;\n        }\n      }\n\n      template = template || defaults.none;\n    }\n\n    if (zrUtil.isArray(template)) {\n      var levelId = tick.level == null ? 0 : tick.level >= 0 ? tick.level : template.length + tick.level;\n      levelId = Math.min(levelId, template.length - 1);\n      template = template[levelId];\n    }\n  }\n\n  return format(new Date(tick.value), template, isUTC, lang);\n}\nexport function getUnitFromValue(value, isUTC) {\n  var date = numberUtil.parseDate(value);\n  var M = date[monthGetterName(isUTC)]() + 1;\n  var d = date[dateGetterName(isUTC)]();\n  var h = date[hoursGetterName(isUTC)]();\n  var m = date[minutesGetterName(isUTC)]();\n  var s = date[secondsGetterName(isUTC)]();\n  var S = date[millisecondsGetterName(isUTC)]();\n  var isSecond = S === 0;\n  var isMinute = isSecond && s === 0;\n  var isHour = isMinute && m === 0;\n  var isDay = isHour && h === 0;\n  var isMonth = isDay && d === 1;\n  var isYear = isMonth && M === 1;\n\n  if (isYear) {\n    return 'year';\n  } else if (isMonth) {\n    return 'month';\n  } else if (isDay) {\n    return 'day';\n  } else if (isHour) {\n    return 'hour';\n  } else if (isMinute) {\n    return 'minute';\n  } else if (isSecond) {\n    return 'second';\n  } else {\n    return 'millisecond';\n  }\n}\nexport function getUnitValue(value, unit, isUTC) {\n  var date = typeof value === 'number' ? numberUtil.parseDate(value) : value;\n  unit = unit || getUnitFromValue(value, isUTC);\n\n  switch (unit) {\n    case 'year':\n      return date[fullYearGetterName(isUTC)]();\n\n    case 'half-year':\n      return date[monthGetterName(isUTC)]() >= 6 ? 1 : 0;\n\n    case 'quarter':\n      return Math.floor((date[monthGetterName(isUTC)]() + 1) / 4);\n\n    case 'month':\n      return date[monthGetterName(isUTC)]();\n\n    case 'day':\n      return date[dateGetterName(isUTC)]();\n\n    case 'half-day':\n      return date[hoursGetterName(isUTC)]() / 24;\n\n    case 'hour':\n      return date[hoursGetterName(isUTC)]();\n\n    case 'minute':\n      return date[minutesGetterName(isUTC)]();\n\n    case 'second':\n      return date[secondsGetterName(isUTC)]();\n\n    case 'millisecond':\n      return date[millisecondsGetterName(isUTC)]();\n  }\n}\nexport function fullYearGetterName(isUTC) {\n  return isUTC ? 'getUTCFullYear' : 'getFullYear';\n}\nexport function monthGetterName(isUTC) {\n  return isUTC ? 'getUTCMonth' : 'getMonth';\n}\nexport function dateGetterName(isUTC) {\n  return isUTC ? 'getUTCDate' : 'getDate';\n}\nexport function hoursGetterName(isUTC) {\n  return isUTC ? 'getUTCHours' : 'getHours';\n}\nexport function minutesGetterName(isUTC) {\n  return isUTC ? 'getUTCMinutes' : 'getMinutes';\n}\nexport function secondsGetterName(isUTC) {\n  return isUTC ? 'getUTCSeconds' : 'getSeconds';\n}\nexport function millisecondsGetterName(isUTC) {\n  return isUTC ? 'getUTCSeconds' : 'getSeconds';\n}\nexport function fullYearSetterName(isUTC) {\n  return isUTC ? 'setUTCFullYear' : 'setFullYear';\n}\nexport function monthSetterName(isUTC) {\n  return isUTC ? 'setUTCMonth' : 'setMonth';\n}\nexport function dateSetterName(isUTC) {\n  return isUTC ? 'setUTCDate' : 'setDate';\n}\nexport function hoursSetterName(isUTC) {\n  return isUTC ? 'setUTCHours' : 'setHours';\n}\nexport function minutesSetterName(isUTC) {\n  return isUTC ? 'setUTCMinutes' : 'setMinutes';\n}\nexport function secondsSetterName(isUTC) {\n  return isUTC ? 'setUTCSeconds' : 'setSeconds';\n}\nexport function millisecondsSetterName(isUTC) {\n  return isUTC ? 'setUTCSeconds' : 'setSeconds';\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// Layout helpers for each component positioning\nimport * as zrUtil from 'zrender/lib/core/util';\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport { parsePercent } from './number';\nimport * as formatUtil from './format';\nvar each = zrUtil.each;\n/**\n * @public\n */\n\nexport var LOCATION_PARAMS = ['left', 'right', 'top', 'bottom', 'width', 'height'];\n/**\n * @public\n */\n\nexport var HV_NAMES = [['width', 'left', 'right'], ['height', 'top', 'bottom']];\n\nfunction boxLayout(orient, group, gap, maxWidth, maxHeight) {\n  var x = 0;\n  var y = 0;\n\n  if (maxWidth == null) {\n    maxWidth = Infinity;\n  }\n\n  if (maxHeight == null) {\n    maxHeight = Infinity;\n  }\n\n  var currentLineMaxSize = 0;\n  group.eachChild(function (child, idx) {\n    var rect = child.getBoundingRect();\n    var nextChild = group.childAt(idx + 1);\n    var nextChildRect = nextChild && nextChild.getBoundingRect();\n    var nextX;\n    var nextY;\n\n    if (orient === 'horizontal') {\n      var moveX = rect.width + (nextChildRect ? -nextChildRect.x + rect.x : 0);\n      nextX = x + moveX; // Wrap when width exceeds maxWidth or meet a `newline` group\n      // FIXME compare before adding gap?\n\n      if (nextX > maxWidth || child.newline) {\n        x = 0;\n        nextX = moveX;\n        y += currentLineMaxSize + gap;\n        currentLineMaxSize = rect.height;\n      } else {\n        // FIXME: consider rect.y is not `0`?\n        currentLineMaxSize = Math.max(currentLineMaxSize, rect.height);\n      }\n    } else {\n      var moveY = rect.height + (nextChildRect ? -nextChildRect.y + rect.y : 0);\n      nextY = y + moveY; // Wrap when width exceeds maxHeight or meet a `newline` group\n\n      if (nextY > maxHeight || child.newline) {\n        x += currentLineMaxSize + gap;\n        y = 0;\n        nextY = moveY;\n        currentLineMaxSize = rect.width;\n      } else {\n        currentLineMaxSize = Math.max(currentLineMaxSize, rect.width);\n      }\n    }\n\n    if (child.newline) {\n      return;\n    }\n\n    child.x = x;\n    child.y = y;\n    child.markRedraw();\n    orient === 'horizontal' ? x = nextX + gap : y = nextY + gap;\n  });\n}\n/**\n * VBox or HBox layouting\n * @param {string} orient\n * @param {module:zrender/graphic/Group} group\n * @param {number} gap\n * @param {number} [width=Infinity]\n * @param {number} [height=Infinity]\n */\n\n\nexport var box = boxLayout;\n/**\n * VBox layouting\n * @param {module:zrender/graphic/Group} group\n * @param {number} gap\n * @param {number} [width=Infinity]\n * @param {number} [height=Infinity]\n */\n\nexport var vbox = zrUtil.curry(boxLayout, 'vertical');\n/**\n * HBox layouting\n * @param {module:zrender/graphic/Group} group\n * @param {number} gap\n * @param {number} [width=Infinity]\n * @param {number} [height=Infinity]\n */\n\nexport var hbox = zrUtil.curry(boxLayout, 'horizontal');\n/**\n * If x or x2 is not specified or 'center' 'left' 'right',\n * the width would be as long as possible.\n * If y or y2 is not specified or 'middle' 'top' 'bottom',\n * the height would be as long as possible.\n */\n\nexport function getAvailableSize(positionInfo, containerRect, margin) {\n  var containerWidth = containerRect.width;\n  var containerHeight = containerRect.height;\n  var x = parsePercent(positionInfo.left, containerWidth);\n  var y = parsePercent(positionInfo.top, containerHeight);\n  var x2 = parsePercent(positionInfo.right, containerWidth);\n  var y2 = parsePercent(positionInfo.bottom, containerHeight);\n  (isNaN(x) || isNaN(parseFloat(positionInfo.left))) && (x = 0);\n  (isNaN(x2) || isNaN(parseFloat(positionInfo.right))) && (x2 = containerWidth);\n  (isNaN(y) || isNaN(parseFloat(positionInfo.top))) && (y = 0);\n  (isNaN(y2) || isNaN(parseFloat(positionInfo.bottom))) && (y2 = containerHeight);\n  margin = formatUtil.normalizeCssArray(margin || 0);\n  return {\n    width: Math.max(x2 - x - margin[1] - margin[3], 0),\n    height: Math.max(y2 - y - margin[0] - margin[2], 0)\n  };\n}\n/**\n * Parse position info.\n */\n\nexport function getLayoutRect(positionInfo, containerRect, margin) {\n  margin = formatUtil.normalizeCssArray(margin || 0);\n  var containerWidth = containerRect.width;\n  var containerHeight = containerRect.height;\n  var left = parsePercent(positionInfo.left, containerWidth);\n  var top = parsePercent(positionInfo.top, containerHeight);\n  var right = parsePercent(positionInfo.right, containerWidth);\n  var bottom = parsePercent(positionInfo.bottom, containerHeight);\n  var width = parsePercent(positionInfo.width, containerWidth);\n  var height = parsePercent(positionInfo.height, containerHeight);\n  var verticalMargin = margin[2] + margin[0];\n  var horizontalMargin = margin[1] + margin[3];\n  var aspect = positionInfo.aspect; // If width is not specified, calculate width from left and right\n\n  if (isNaN(width)) {\n    width = containerWidth - right - horizontalMargin - left;\n  }\n\n  if (isNaN(height)) {\n    height = containerHeight - bottom - verticalMargin - top;\n  }\n\n  if (aspect != null) {\n    // If width and height are not given\n    // 1. Graph should not exceeds the container\n    // 2. Aspect must be keeped\n    // 3. Graph should take the space as more as possible\n    // FIXME\n    // Margin is not considered, because there is no case that both\n    // using margin and aspect so far.\n    if (isNaN(width) && isNaN(height)) {\n      if (aspect > containerWidth / containerHeight) {\n        width = containerWidth * 0.8;\n      } else {\n        height = containerHeight * 0.8;\n      }\n    } // Calculate width or height with given aspect\n\n\n    if (isNaN(width)) {\n      width = aspect * height;\n    }\n\n    if (isNaN(height)) {\n      height = width / aspect;\n    }\n  } // If left is not specified, calculate left from right and width\n\n\n  if (isNaN(left)) {\n    left = containerWidth - right - width - horizontalMargin;\n  }\n\n  if (isNaN(top)) {\n    top = containerHeight - bottom - height - verticalMargin;\n  } // Align left and top\n\n\n  switch (positionInfo.left || positionInfo.right) {\n    case 'center':\n      left = containerWidth / 2 - width / 2 - margin[3];\n      break;\n\n    case 'right':\n      left = containerWidth - width - horizontalMargin;\n      break;\n  }\n\n  switch (positionInfo.top || positionInfo.bottom) {\n    case 'middle':\n    case 'center':\n      top = containerHeight / 2 - height / 2 - margin[0];\n      break;\n\n    case 'bottom':\n      top = containerHeight - height - verticalMargin;\n      break;\n  } // If something is wrong and left, top, width, height are calculated as NaN\n\n\n  left = left || 0;\n  top = top || 0;\n\n  if (isNaN(width)) {\n    // Width may be NaN if only one value is given except width\n    width = containerWidth - horizontalMargin - left - (right || 0);\n  }\n\n  if (isNaN(height)) {\n    // Height may be NaN if only one value is given except height\n    height = containerHeight - verticalMargin - top - (bottom || 0);\n  }\n\n  var rect = new BoundingRect(left + margin[3], top + margin[0], width, height);\n  rect.margin = margin;\n  return rect;\n}\n/**\n * Position a zr element in viewport\n *  Group position is specified by either\n *  {left, top}, {right, bottom}\n *  If all properties exists, right and bottom will be igonred.\n *\n * Logic:\n *     1. Scale (against origin point in parent coord)\n *     2. Rotate (against origin point in parent coord)\n *     3. Traslate (with el.position by this method)\n * So this method only fixes the last step 'Traslate', which does not affect\n * scaling and rotating.\n *\n * If be called repeatly with the same input el, the same result will be gotten.\n *\n * @param el Should have `getBoundingRect` method.\n * @param positionInfo\n * @param positionInfo.left\n * @param positionInfo.top\n * @param positionInfo.right\n * @param positionInfo.bottom\n * @param positionInfo.width Only for opt.boundingModel: 'raw'\n * @param positionInfo.height Only for opt.boundingModel: 'raw'\n * @param containerRect\n * @param margin\n * @param opt\n * @param opt.hv Only horizontal or only vertical. Default to be [1, 1]\n * @param opt.boundingMode\n *        Specify how to calculate boundingRect when locating.\n *        'all': Position the boundingRect that is transformed and uioned\n *               both itself and its descendants.\n *               This mode simplies confine the elements in the bounding\n *               of their container (e.g., using 'right: 0').\n *        'raw': Position the boundingRect that is not transformed and only itself.\n *               This mode is useful when you want a element can overflow its\n *               container. (Consider a rotated circle needs to be located in a corner.)\n *               In this mode positionInfo.width/height can only be number.\n */\n\nexport function positionElement(el, positionInfo, containerRect, margin, opt) {\n  var h = !opt || !opt.hv || opt.hv[0];\n  var v = !opt || !opt.hv || opt.hv[1];\n  var boundingMode = opt && opt.boundingMode || 'all';\n\n  if (!h && !v) {\n    return;\n  }\n\n  var rect;\n\n  if (boundingMode === 'raw') {\n    rect = el.type === 'group' ? new BoundingRect(0, 0, +positionInfo.width || 0, +positionInfo.height || 0) : el.getBoundingRect();\n  } else {\n    rect = el.getBoundingRect();\n\n    if (el.needLocalTransform()) {\n      var transform = el.getLocalTransform(); // Notice: raw rect may be inner object of el,\n      // which should not be modified.\n\n      rect = rect.clone();\n      rect.applyTransform(transform);\n    }\n  } // The real width and height can not be specified but calculated by the given el.\n\n\n  var layoutRect = getLayoutRect(zrUtil.defaults({\n    width: rect.width,\n    height: rect.height\n  }, positionInfo), containerRect, margin); // Because 'tranlate' is the last step in transform\n  // (see zrender/core/Transformable#getLocalTransform),\n  // we can just only modify el.position to get final result.\n\n  var dx = h ? layoutRect.x - rect.x : 0;\n  var dy = v ? layoutRect.y - rect.y : 0;\n\n  if (boundingMode === 'raw') {\n    el.x = dx;\n    el.y = dy;\n  } else {\n    el.x += dx;\n    el.y += dy;\n  }\n\n  el.markRedraw();\n}\n/**\n * @param option Contains some of the properties in HV_NAMES.\n * @param hvIdx 0: horizontal; 1: vertical.\n */\n\nexport function sizeCalculable(option, hvIdx) {\n  return option[HV_NAMES[hvIdx][0]] != null || option[HV_NAMES[hvIdx][1]] != null && option[HV_NAMES[hvIdx][2]] != null;\n}\nexport function fetchLayoutMode(ins) {\n  var layoutMode = ins.layoutMode || ins.constructor.layoutMode;\n  return zrUtil.isObject(layoutMode) ? layoutMode : layoutMode ? {\n    type: layoutMode\n  } : null;\n}\n/**\n * Consider Case:\n * When default option has {left: 0, width: 100}, and we set {right: 0}\n * through setOption or media query, using normal zrUtil.merge will cause\n * {right: 0} does not take effect.\n *\n * @example\n * ComponentModel.extend({\n *     init: function () {\n *         ...\n *         let inputPositionParams = layout.getLayoutParams(option);\n *         this.mergeOption(inputPositionParams);\n *     },\n *     mergeOption: function (newOption) {\n *         newOption && zrUtil.merge(thisOption, newOption, true);\n *         layout.mergeLayoutParam(thisOption, newOption);\n *     }\n * });\n *\n * @param targetOption\n * @param newOption\n * @param opt\n */\n\nexport function mergeLayoutParam(targetOption, newOption, opt) {\n  var ignoreSize = opt && opt.ignoreSize;\n  !zrUtil.isArray(ignoreSize) && (ignoreSize = [ignoreSize, ignoreSize]);\n  var hResult = merge(HV_NAMES[0], 0);\n  var vResult = merge(HV_NAMES[1], 1);\n  copy(HV_NAMES[0], targetOption, hResult);\n  copy(HV_NAMES[1], targetOption, vResult);\n\n  function merge(names, hvIdx) {\n    var newParams = {};\n    var newValueCount = 0;\n    var merged = {};\n    var mergedValueCount = 0;\n    var enoughParamNumber = 2;\n    each(names, function (name) {\n      merged[name] = targetOption[name];\n    });\n    each(names, function (name) {\n      // Consider case: newOption.width is null, which is\n      // set by user for removing width setting.\n      hasProp(newOption, name) && (newParams[name] = merged[name] = newOption[name]);\n      hasValue(newParams, name) && newValueCount++;\n      hasValue(merged, name) && mergedValueCount++;\n    });\n\n    if (ignoreSize[hvIdx]) {\n      // Only one of left/right is premitted to exist.\n      if (hasValue(newOption, names[1])) {\n        merged[names[2]] = null;\n      } else if (hasValue(newOption, names[2])) {\n        merged[names[1]] = null;\n      }\n\n      return merged;\n    } // Case: newOption: {width: ..., right: ...},\n    // or targetOption: {right: ...} and newOption: {width: ...},\n    // There is no conflict when merged only has params count\n    // little than enoughParamNumber.\n\n\n    if (mergedValueCount === enoughParamNumber || !newValueCount) {\n      return merged;\n    } // Case: newOption: {width: ..., right: ...},\n    // Than we can make sure user only want those two, and ignore\n    // all origin params in targetOption.\n    else if (newValueCount >= enoughParamNumber) {\n        return newParams;\n      } else {\n        // Chose another param from targetOption by priority.\n        for (var i = 0; i < names.length; i++) {\n          var name_1 = names[i];\n\n          if (!hasProp(newParams, name_1) && hasProp(targetOption, name_1)) {\n            newParams[name_1] = targetOption[name_1];\n            break;\n          }\n        }\n\n        return newParams;\n      }\n  }\n\n  function hasProp(obj, name) {\n    return obj.hasOwnProperty(name);\n  }\n\n  function hasValue(obj, name) {\n    return obj[name] != null && obj[name] !== 'auto';\n  }\n\n  function copy(names, target, source) {\n    each(names, function (name) {\n      target[name] = source[name];\n    });\n  }\n}\n/**\n * Retrieve 'left', 'right', 'top', 'bottom', 'width', 'height' from object.\n */\n\nexport function getLayoutParams(source) {\n  return copyLayoutParams({}, source);\n}\n/**\n * Retrieve 'left', 'right', 'top', 'bottom', 'width', 'height' from object.\n * @param {Object} source\n * @return {Object} Result contains those props.\n */\n\nexport function copyLayoutParams(target, source) {\n  source && target && each(LOCATION_PARAMS, function (name) {\n    source.hasOwnProperty(name) && (target[name] = source[name]);\n  });\n  return target;\n}","import { __extends } from \"tslib\";\nimport * as util from '../core/util';\nimport { devicePixelRatio } from '../config';\nimport Eventful from '../core/Eventful';\nimport Element from '../Element';\nimport { getCanvasGradient } from './helper';\nimport { createCanvasPattern } from './graphic';\nimport BoundingRect from '../core/BoundingRect';\nfunction returnFalse() {\n    return false;\n}\nfunction createDom(id, painter, dpr) {\n    var newDom = util.createCanvas();\n    var width = painter.getWidth();\n    var height = painter.getHeight();\n    var newDomStyle = newDom.style;\n    if (newDomStyle) {\n        newDomStyle.position = 'absolute';\n        newDomStyle.left = '0';\n        newDomStyle.top = '0';\n        newDomStyle.width = width + 'px';\n        newDomStyle.height = height + 'px';\n        newDom.setAttribute('data-zr-dom-id', id);\n    }\n    newDom.width = width * dpr;\n    newDom.height = height * dpr;\n    return newDom;\n}\n;\nvar Layer = (function (_super) {\n    __extends(Layer, _super);\n    function Layer(id, painter, dpr) {\n        var _this = _super.call(this) || this;\n        _this.motionBlur = false;\n        _this.lastFrameAlpha = 0.7;\n        _this.dpr = 1;\n        _this.virtual = false;\n        _this.config = {};\n        _this.incremental = false;\n        _this.zlevel = 0;\n        _this.maxRepaintRectCount = 5;\n        _this.__dirty = true;\n        _this.__firstTimePaint = true;\n        _this.__used = false;\n        _this.__drawIndex = 0;\n        _this.__startIndex = 0;\n        _this.__endIndex = 0;\n        _this.__prevStartIndex = null;\n        _this.__prevEndIndex = null;\n        var dom;\n        dpr = dpr || devicePixelRatio;\n        if (typeof id === 'string') {\n            dom = createDom(id, painter, dpr);\n        }\n        else if (util.isObject(id)) {\n            dom = id;\n            id = dom.id;\n        }\n        _this.id = id;\n        _this.dom = dom;\n        var domStyle = dom.style;\n        if (domStyle) {\n            dom.onselectstart = returnFalse;\n            domStyle.webkitUserSelect = 'none';\n            domStyle.userSelect = 'none';\n            domStyle.webkitTapHighlightColor = 'rgba(0,0,0,0)';\n            domStyle['-webkit-touch-callout'] = 'none';\n            domStyle.padding = '0';\n            domStyle.margin = '0';\n            domStyle.borderWidth = '0';\n        }\n        _this.domBack = null;\n        _this.ctxBack = null;\n        _this.painter = painter;\n        _this.config = null;\n        _this.dpr = dpr;\n        return _this;\n    }\n    Layer.prototype.getElementCount = function () {\n        return this.__endIndex - this.__startIndex;\n    };\n    Layer.prototype.afterBrush = function () {\n        this.__prevStartIndex = this.__startIndex;\n        this.__prevEndIndex = this.__endIndex;\n    };\n    Layer.prototype.initContext = function () {\n        this.ctx = this.dom.getContext('2d');\n        this.ctx.dpr = this.dpr;\n    };\n    Layer.prototype.setUnpainted = function () {\n        this.__firstTimePaint = true;\n    };\n    Layer.prototype.createBackBuffer = function () {\n        var dpr = this.dpr;\n        this.domBack = createDom('back-' + this.id, this.painter, dpr);\n        this.ctxBack = this.domBack.getContext('2d');\n        if (dpr !== 1) {\n            this.ctxBack.scale(dpr, dpr);\n        }\n    };\n    Layer.prototype.createRepaintRects = function (displayList, prevList, viewWidth, viewHeight) {\n        if (this.__firstTimePaint) {\n            this.__firstTimePaint = false;\n            return null;\n        }\n        var mergedRepaintRects = [];\n        var maxRepaintRectCount = this.maxRepaintRectCount;\n        var full = false;\n        var pendingRect = new BoundingRect(0, 0, 0, 0);\n        function addRectToMergePool(rect) {\n            if (!rect.isFinite() || rect.isZero()) {\n                return;\n            }\n            if (mergedRepaintRects.length === 0) {\n                var boundingRect = new BoundingRect(0, 0, 0, 0);\n                boundingRect.copy(rect);\n                mergedRepaintRects.push(boundingRect);\n            }\n            else {\n                var isMerged = false;\n                var minDeltaArea = Infinity;\n                var bestRectToMergeIdx = 0;\n                for (var i = 0; i < mergedRepaintRects.length; ++i) {\n                    var mergedRect = mergedRepaintRects[i];\n                    if (mergedRect.intersect(rect)) {\n                        var pendingRect_1 = new BoundingRect(0, 0, 0, 0);\n                        pendingRect_1.copy(mergedRect);\n                        pendingRect_1.union(rect);\n                        mergedRepaintRects[i] = pendingRect_1;\n                        isMerged = true;\n                        break;\n                    }\n                    else if (full) {\n                        pendingRect.copy(rect);\n                        pendingRect.union(mergedRect);\n                        var aArea = rect.width * rect.height;\n                        var bArea = mergedRect.width * mergedRect.height;\n                        var pendingArea = pendingRect.width * pendingRect.height;\n                        var deltaArea = pendingArea - aArea - bArea;\n                        if (deltaArea < minDeltaArea) {\n                            minDeltaArea = deltaArea;\n                            bestRectToMergeIdx = i;\n                        }\n                    }\n                }\n                if (full) {\n                    mergedRepaintRects[bestRectToMergeIdx].union(rect);\n                    isMerged = true;\n                }\n                if (!isMerged) {\n                    var boundingRect = new BoundingRect(0, 0, 0, 0);\n                    boundingRect.copy(rect);\n                    mergedRepaintRects.push(boundingRect);\n                }\n                if (!full) {\n                    full = mergedRepaintRects.length >= maxRepaintRectCount;\n                }\n            }\n        }\n        for (var i = this.__startIndex; i < this.__endIndex; ++i) {\n            var el = displayList[i];\n            if (el) {\n                var shouldPaint = el.shouldBePainted(viewWidth, viewHeight, true, true);\n                var prevRect = el.__isRendered && ((el.__dirty & Element.REDARAW_BIT) || !shouldPaint)\n                    ? el.getPrevPaintRect()\n                    : null;\n                if (prevRect) {\n                    addRectToMergePool(prevRect);\n                }\n                var curRect = shouldPaint && ((el.__dirty & Element.REDARAW_BIT) || !el.__isRendered)\n                    ? el.getPaintRect()\n                    : null;\n                if (curRect) {\n                    addRectToMergePool(curRect);\n                }\n            }\n        }\n        for (var i = this.__prevStartIndex; i < this.__prevEndIndex; ++i) {\n            var el = prevList[i];\n            var shouldPaint = el.shouldBePainted(viewWidth, viewHeight, true, true);\n            if (el && (!shouldPaint || !el.__zr) && el.__isRendered) {\n                var prevRect = el.getPrevPaintRect();\n                if (prevRect) {\n                    addRectToMergePool(prevRect);\n                }\n            }\n        }\n        var hasIntersections;\n        do {\n            hasIntersections = false;\n            for (var i = 0; i < mergedRepaintRects.length;) {\n                if (mergedRepaintRects[i].isZero()) {\n                    mergedRepaintRects.splice(i, 1);\n                    continue;\n                }\n                for (var j = i + 1; j < mergedRepaintRects.length;) {\n                    if (mergedRepaintRects[i].intersect(mergedRepaintRects[j])) {\n                        hasIntersections = true;\n                        mergedRepaintRects[i].union(mergedRepaintRects[j]);\n                        mergedRepaintRects.splice(j, 1);\n                    }\n                    else {\n                        j++;\n                    }\n                }\n                i++;\n            }\n        } while (hasIntersections);\n        this._paintRects = mergedRepaintRects;\n        return mergedRepaintRects;\n    };\n    Layer.prototype.debugGetPaintRects = function () {\n        return (this._paintRects || []).slice();\n    };\n    Layer.prototype.resize = function (width, height) {\n        var dpr = this.dpr;\n        var dom = this.dom;\n        var domStyle = dom.style;\n        var domBack = this.domBack;\n        if (domStyle) {\n            domStyle.width = width + 'px';\n            domStyle.height = height + 'px';\n        }\n        dom.width = width * dpr;\n        dom.height = height * dpr;\n        if (domBack) {\n            domBack.width = width * dpr;\n            domBack.height = height * dpr;\n            if (dpr !== 1) {\n                this.ctxBack.scale(dpr, dpr);\n            }\n        }\n    };\n    Layer.prototype.clear = function (clearAll, clearColor, repaintRects) {\n        var dom = this.dom;\n        var ctx = this.ctx;\n        var width = dom.width;\n        var height = dom.height;\n        clearColor = clearColor || this.clearColor;\n        var haveMotionBLur = this.motionBlur && !clearAll;\n        var lastFrameAlpha = this.lastFrameAlpha;\n        var dpr = this.dpr;\n        var self = this;\n        if (haveMotionBLur) {\n            if (!this.domBack) {\n                this.createBackBuffer();\n            }\n            this.ctxBack.globalCompositeOperation = 'copy';\n            this.ctxBack.drawImage(dom, 0, 0, width / dpr, height / dpr);\n        }\n        var domBack = this.domBack;\n        function doClear(x, y, width, height) {\n            ctx.clearRect(x, y, width, height);\n            if (clearColor && clearColor !== 'transparent') {\n                var clearColorGradientOrPattern = void 0;\n                if (util.isGradientObject(clearColor)) {\n                    clearColorGradientOrPattern = clearColor.__canvasGradient\n                        || getCanvasGradient(ctx, clearColor, {\n                            x: 0,\n                            y: 0,\n                            width: width,\n                            height: height\n                        });\n                    clearColor.__canvasGradient = clearColorGradientOrPattern;\n                }\n                else if (util.isPatternObject(clearColor)) {\n                    clearColorGradientOrPattern = createCanvasPattern(ctx, clearColor, {\n                        dirty: function () {\n                            self.setUnpainted();\n                            self.__painter.refresh();\n                        }\n                    });\n                }\n                ctx.save();\n                ctx.fillStyle = clearColorGradientOrPattern || clearColor;\n                ctx.fillRect(x, y, width, height);\n                ctx.restore();\n            }\n            if (haveMotionBLur) {\n                ctx.save();\n                ctx.globalAlpha = lastFrameAlpha;\n                ctx.drawImage(domBack, x, y, width, height);\n                ctx.restore();\n            }\n        }\n        ;\n        if (!repaintRects || haveMotionBLur) {\n            doClear(0, 0, width, height);\n        }\n        else if (repaintRects.length) {\n            util.each(repaintRects, function (rect) {\n                doClear(rect.x * dpr, rect.y * dpr, rect.width * dpr, rect.height * dpr);\n            });\n        }\n    };\n    return Layer;\n}(Eventful));\nexport default Layer;\n","import { devicePixelRatio } from '../config';\nimport * as util from '../core/util';\nimport Layer from './Layer';\nimport requestAnimationFrame from '../animation/requestAnimationFrame';\nimport ZRImage from '../graphic/Image';\nimport env from '../core/env';\nimport { brush, brushSingle } from './graphic';\nimport Element from '../Element';\nvar HOVER_LAYER_ZLEVEL = 1e5;\nvar CANVAS_ZLEVEL = 314159;\nvar EL_AFTER_INCREMENTAL_INC = 0.01;\nvar INCREMENTAL_INC = 0.001;\nfunction parseInt10(val) {\n    return parseInt(val, 10);\n}\nfunction isLayerValid(layer) {\n    if (!layer) {\n        return false;\n    }\n    if (layer.__builtin__) {\n        return true;\n    }\n    if (typeof (layer.resize) !== 'function'\n        || typeof (layer.refresh) !== 'function') {\n        return false;\n    }\n    return true;\n}\nfunction createRoot(width, height) {\n    var domRoot = document.createElement('div');\n    domRoot.style.cssText = [\n        'position:relative',\n        'width:' + width + 'px',\n        'height:' + height + 'px',\n        'padding:0',\n        'margin:0',\n        'border-width:0'\n    ].join(';') + ';';\n    return domRoot;\n}\nvar CanvasPainter = (function () {\n    function CanvasPainter(root, storage, opts, id) {\n        this.type = 'canvas';\n        this._zlevelList = [];\n        this._prevDisplayList = [];\n        this._layers = {};\n        this._layerConfig = {};\n        this._needsManuallyCompositing = false;\n        this.type = 'canvas';\n        var singleCanvas = !root.nodeName\n            || root.nodeName.toUpperCase() === 'CANVAS';\n        this._opts = opts = util.extend({}, opts || {});\n        this.dpr = opts.devicePixelRatio || devicePixelRatio;\n        this._singleCanvas = singleCanvas;\n        this.root = root;\n        var rootStyle = root.style;\n        if (rootStyle) {\n            rootStyle.webkitTapHighlightColor = 'transparent';\n            rootStyle.webkitUserSelect = 'none';\n            rootStyle.userSelect = 'none';\n            rootStyle['-webkit-touch-callout'] = 'none';\n            root.innerHTML = '';\n        }\n        this.storage = storage;\n        var zlevelList = this._zlevelList;\n        this._prevDisplayList = [];\n        var layers = this._layers;\n        if (!singleCanvas) {\n            this._width = this._getSize(0);\n            this._height = this._getSize(1);\n            var domRoot = this._domRoot = createRoot(this._width, this._height);\n            root.appendChild(domRoot);\n        }\n        else {\n            var rootCanvas = root;\n            var width = rootCanvas.width;\n            var height = rootCanvas.height;\n            if (opts.width != null) {\n                width = opts.width;\n            }\n            if (opts.height != null) {\n                height = opts.height;\n            }\n            this.dpr = opts.devicePixelRatio || 1;\n            rootCanvas.width = width * this.dpr;\n            rootCanvas.height = height * this.dpr;\n            this._width = width;\n            this._height = height;\n            var mainLayer = new Layer(rootCanvas, this, this.dpr);\n            mainLayer.__builtin__ = true;\n            mainLayer.initContext();\n            layers[CANVAS_ZLEVEL] = mainLayer;\n            mainLayer.zlevel = CANVAS_ZLEVEL;\n            zlevelList.push(CANVAS_ZLEVEL);\n            this._domRoot = root;\n        }\n    }\n    CanvasPainter.prototype.getType = function () {\n        return 'canvas';\n    };\n    CanvasPainter.prototype.isSingleCanvas = function () {\n        return this._singleCanvas;\n    };\n    CanvasPainter.prototype.getViewportRoot = function () {\n        return this._domRoot;\n    };\n    CanvasPainter.prototype.getViewportRootOffset = function () {\n        var viewportRoot = this.getViewportRoot();\n        if (viewportRoot) {\n            return {\n                offsetLeft: viewportRoot.offsetLeft || 0,\n                offsetTop: viewportRoot.offsetTop || 0\n            };\n        }\n    };\n    CanvasPainter.prototype.refresh = function (paintAll) {\n        var list = this.storage.getDisplayList(true);\n        var prevList = this._prevDisplayList;\n        var zlevelList = this._zlevelList;\n        this._redrawId = Math.random();\n        this._paintList(list, prevList, paintAll, this._redrawId);\n        for (var i = 0; i < zlevelList.length; i++) {\n            var z = zlevelList[i];\n            var layer = this._layers[z];\n            if (!layer.__builtin__ && layer.refresh) {\n                var clearColor = i === 0 ? this._backgroundColor : null;\n                layer.refresh(clearColor);\n            }\n        }\n        if (this._opts.useDirtyRect) {\n            this._prevDisplayList = list.slice();\n        }\n        return this;\n    };\n    CanvasPainter.prototype.refreshHover = function () {\n        this._paintHoverList(this.storage.getDisplayList(false));\n    };\n    CanvasPainter.prototype._paintHoverList = function (list) {\n        var len = list.length;\n        var hoverLayer = this._hoverlayer;\n        hoverLayer && hoverLayer.clear();\n        if (!len) {\n            return;\n        }\n        var scope = {\n            inHover: true,\n            viewWidth: this._width,\n            viewHeight: this._height\n        };\n        var ctx;\n        for (var i = 0; i < len; i++) {\n            var el = list[i];\n            if (el.__inHover) {\n                if (!hoverLayer) {\n                    hoverLayer = this._hoverlayer = this.getLayer(HOVER_LAYER_ZLEVEL);\n                }\n                if (!ctx) {\n                    ctx = hoverLayer.ctx;\n                    ctx.save();\n                }\n                brush(ctx, el, scope, i === len - 1);\n            }\n        }\n        if (ctx) {\n            ctx.restore();\n        }\n    };\n    CanvasPainter.prototype.getHoverLayer = function () {\n        return this.getLayer(HOVER_LAYER_ZLEVEL);\n    };\n    CanvasPainter.prototype.paintOne = function (ctx, el) {\n        brushSingle(ctx, el);\n    };\n    CanvasPainter.prototype._paintList = function (list, prevList, paintAll, redrawId) {\n        if (this._redrawId !== redrawId) {\n            return;\n        }\n        paintAll = paintAll || false;\n        this._updateLayerStatus(list);\n        var _a = this._doPaintList(list, prevList, paintAll), finished = _a.finished, needsRefreshHover = _a.needsRefreshHover;\n        if (this._needsManuallyCompositing) {\n            this._compositeManually();\n        }\n        if (needsRefreshHover) {\n            this._paintHoverList(list);\n        }\n        if (!finished) {\n            var self_1 = this;\n            requestAnimationFrame(function () {\n                self_1._paintList(list, prevList, paintAll, redrawId);\n            });\n        }\n        else {\n            this.eachLayer(function (layer) {\n                layer.afterBrush && layer.afterBrush();\n            });\n        }\n    };\n    CanvasPainter.prototype._compositeManually = function () {\n        var ctx = this.getLayer(CANVAS_ZLEVEL).ctx;\n        var width = this._domRoot.width;\n        var height = this._domRoot.height;\n        ctx.clearRect(0, 0, width, height);\n        this.eachBuiltinLayer(function (layer) {\n            if (layer.virtual) {\n                ctx.drawImage(layer.dom, 0, 0, width, height);\n            }\n        });\n    };\n    CanvasPainter.prototype._doPaintList = function (list, prevList, paintAll) {\n        var _this = this;\n        var layerList = [];\n        var useDirtyRect = this._opts.useDirtyRect;\n        for (var zi = 0; zi < this._zlevelList.length; zi++) {\n            var zlevel = this._zlevelList[zi];\n            var layer = this._layers[zlevel];\n            if (layer.__builtin__\n                && layer !== this._hoverlayer\n                && (layer.__dirty || paintAll)) {\n                layerList.push(layer);\n            }\n        }\n        var finished = true;\n        var needsRefreshHover = false;\n        var _loop_1 = function (k) {\n            var layer = layerList[k];\n            var ctx = layer.ctx;\n            var repaintRects = useDirtyRect\n                && layer.createRepaintRects(list, prevList, this_1._width, this_1._height);\n            ctx.save();\n            var start = paintAll ? layer.__startIndex : layer.__drawIndex;\n            var useTimer = !paintAll && layer.incremental && Date.now;\n            var startTime = useTimer && Date.now();\n            var clearColor = layer.zlevel === this_1._zlevelList[0]\n                ? this_1._backgroundColor : null;\n            if (layer.__startIndex === layer.__endIndex) {\n                layer.clear(false, clearColor, repaintRects);\n            }\n            else if (start === layer.__startIndex) {\n                var firstEl = list[start];\n                if (!firstEl.incremental || !firstEl.notClear || paintAll) {\n                    layer.clear(false, clearColor, repaintRects);\n                }\n            }\n            if (start === -1) {\n                console.error('For some unknown reason. drawIndex is -1');\n                start = layer.__startIndex;\n            }\n            var i;\n            var repaint = function (repaintRect) {\n                var scope = {\n                    inHover: false,\n                    allClipped: false,\n                    prevEl: null,\n                    viewWidth: _this._width,\n                    viewHeight: _this._height\n                };\n                for (i = start; i < layer.__endIndex; i++) {\n                    var el = list[i];\n                    if (el.__inHover) {\n                        needsRefreshHover = true;\n                    }\n                    _this._doPaintEl(el, layer, useDirtyRect, repaintRect, scope, i === layer.__endIndex - 1);\n                    if (useTimer) {\n                        var dTime = Date.now() - startTime;\n                        if (dTime > 15) {\n                            break;\n                        }\n                    }\n                }\n                if (scope.prevElClipPaths) {\n                    ctx.restore();\n                }\n            };\n            if (repaintRects) {\n                if (repaintRects.length === 0) {\n                    i = layer.__endIndex;\n                }\n                else {\n                    var dpr = this_1.dpr;\n                    for (var r = 0; r < repaintRects.length; ++r) {\n                        var rect = repaintRects[r];\n                        ctx.save();\n                        ctx.beginPath();\n                        ctx.rect(rect.x * dpr, rect.y * dpr, rect.width * dpr, rect.height * dpr);\n                        ctx.clip();\n                        repaint(rect);\n                        ctx.restore();\n                    }\n                }\n            }\n            else {\n                ctx.save();\n                repaint();\n                ctx.restore();\n            }\n            layer.__drawIndex = i;\n            if (layer.__drawIndex < layer.__endIndex) {\n                finished = false;\n            }\n        };\n        var this_1 = this;\n        for (var k = 0; k < layerList.length; k++) {\n            _loop_1(k);\n        }\n        if (env.wxa) {\n            util.each(this._layers, function (layer) {\n                if (layer && layer.ctx && layer.ctx.draw) {\n                    layer.ctx.draw();\n                }\n            });\n        }\n        return {\n            finished: finished,\n            needsRefreshHover: needsRefreshHover\n        };\n    };\n    CanvasPainter.prototype._doPaintEl = function (el, currentLayer, useDirtyRect, repaintRect, scope, isLast) {\n        var ctx = currentLayer.ctx;\n        if (useDirtyRect) {\n            var paintRect = el.getPaintRect();\n            if (!repaintRect || paintRect && paintRect.intersect(repaintRect)) {\n                brush(ctx, el, scope, isLast);\n                el.setPrevPaintRect(paintRect);\n            }\n        }\n        else {\n            brush(ctx, el, scope, isLast);\n        }\n    };\n    CanvasPainter.prototype.getLayer = function (zlevel, virtual) {\n        if (this._singleCanvas && !this._needsManuallyCompositing) {\n            zlevel = CANVAS_ZLEVEL;\n        }\n        var layer = this._layers[zlevel];\n        if (!layer) {\n            layer = new Layer('zr_' + zlevel, this, this.dpr);\n            layer.zlevel = zlevel;\n            layer.__builtin__ = true;\n            if (this._layerConfig[zlevel]) {\n                util.merge(layer, this._layerConfig[zlevel], true);\n            }\n            else if (this._layerConfig[zlevel - EL_AFTER_INCREMENTAL_INC]) {\n                util.merge(layer, this._layerConfig[zlevel - EL_AFTER_INCREMENTAL_INC], true);\n            }\n            if (virtual) {\n                layer.virtual = virtual;\n            }\n            this.insertLayer(zlevel, layer);\n            layer.initContext();\n        }\n        return layer;\n    };\n    CanvasPainter.prototype.insertLayer = function (zlevel, layer) {\n        var layersMap = this._layers;\n        var zlevelList = this._zlevelList;\n        var len = zlevelList.length;\n        var domRoot = this._domRoot;\n        var prevLayer = null;\n        var i = -1;\n        if (layersMap[zlevel]) {\n            util.logError('ZLevel ' + zlevel + ' has been used already');\n            return;\n        }\n        if (!isLayerValid(layer)) {\n            util.logError('Layer of zlevel ' + zlevel + ' is not valid');\n            return;\n        }\n        if (len > 0 && zlevel > zlevelList[0]) {\n            for (i = 0; i < len - 1; i++) {\n                if (zlevelList[i] < zlevel\n                    && zlevelList[i + 1] > zlevel) {\n                    break;\n                }\n            }\n            prevLayer = layersMap[zlevelList[i]];\n        }\n        zlevelList.splice(i + 1, 0, zlevel);\n        layersMap[zlevel] = layer;\n        if (!layer.virtual) {\n            if (prevLayer) {\n                var prevDom = prevLayer.dom;\n                if (prevDom.nextSibling) {\n                    domRoot.insertBefore(layer.dom, prevDom.nextSibling);\n                }\n                else {\n                    domRoot.appendChild(layer.dom);\n                }\n            }\n            else {\n                if (domRoot.firstChild) {\n                    domRoot.insertBefore(layer.dom, domRoot.firstChild);\n                }\n                else {\n                    domRoot.appendChild(layer.dom);\n                }\n            }\n        }\n        layer.__painter = this;\n    };\n    CanvasPainter.prototype.eachLayer = function (cb, context) {\n        var zlevelList = this._zlevelList;\n        for (var i = 0; i < zlevelList.length; i++) {\n            var z = zlevelList[i];\n            cb.call(context, this._layers[z], z);\n        }\n    };\n    CanvasPainter.prototype.eachBuiltinLayer = function (cb, context) {\n        var zlevelList = this._zlevelList;\n        for (var i = 0; i < zlevelList.length; i++) {\n            var z = zlevelList[i];\n            var layer = this._layers[z];\n            if (layer.__builtin__) {\n                cb.call(context, layer, z);\n            }\n        }\n    };\n    CanvasPainter.prototype.eachOtherLayer = function (cb, context) {\n        var zlevelList = this._zlevelList;\n        for (var i = 0; i < zlevelList.length; i++) {\n            var z = zlevelList[i];\n            var layer = this._layers[z];\n            if (!layer.__builtin__) {\n                cb.call(context, layer, z);\n            }\n        }\n    };\n    CanvasPainter.prototype.getLayers = function () {\n        return this._layers;\n    };\n    CanvasPainter.prototype._updateLayerStatus = function (list) {\n        this.eachBuiltinLayer(function (layer, z) {\n            layer.__dirty = layer.__used = false;\n        });\n        function updatePrevLayer(idx) {\n            if (prevLayer) {\n                if (prevLayer.__endIndex !== idx) {\n                    prevLayer.__dirty = true;\n                }\n                prevLayer.__endIndex = idx;\n            }\n        }\n        if (this._singleCanvas) {\n            for (var i_1 = 1; i_1 < list.length; i_1++) {\n                var el = list[i_1];\n                if (el.zlevel !== list[i_1 - 1].zlevel || el.incremental) {\n                    this._needsManuallyCompositing = true;\n                    break;\n                }\n            }\n        }\n        var prevLayer = null;\n        var incrementalLayerCount = 0;\n        var prevZlevel;\n        var i;\n        for (i = 0; i < list.length; i++) {\n            var el = list[i];\n            var zlevel = el.zlevel;\n            var layer = void 0;\n            if (prevZlevel !== zlevel) {\n                prevZlevel = zlevel;\n                incrementalLayerCount = 0;\n            }\n            if (el.incremental) {\n                layer = this.getLayer(zlevel + INCREMENTAL_INC, this._needsManuallyCompositing);\n                layer.incremental = true;\n                incrementalLayerCount = 1;\n            }\n            else {\n                layer = this.getLayer(zlevel + (incrementalLayerCount > 0 ? EL_AFTER_INCREMENTAL_INC : 0), this._needsManuallyCompositing);\n            }\n            if (!layer.__builtin__) {\n                util.logError('ZLevel ' + zlevel + ' has been used by unkown layer ' + layer.id);\n            }\n            if (layer !== prevLayer) {\n                layer.__used = true;\n                if (layer.__startIndex !== i) {\n                    layer.__dirty = true;\n                }\n                layer.__startIndex = i;\n                if (!layer.incremental) {\n                    layer.__drawIndex = i;\n                }\n                else {\n                    layer.__drawIndex = -1;\n                }\n                updatePrevLayer(i);\n                prevLayer = layer;\n            }\n            if ((el.__dirty & Element.REDARAW_BIT) && !el.__inHover) {\n                layer.__dirty = true;\n                if (layer.incremental && layer.__drawIndex < 0) {\n                    layer.__drawIndex = i;\n                }\n            }\n        }\n        updatePrevLayer(i);\n        this.eachBuiltinLayer(function (layer, z) {\n            if (!layer.__used && layer.getElementCount() > 0) {\n                layer.__dirty = true;\n                layer.__startIndex = layer.__endIndex = layer.__drawIndex = 0;\n            }\n            if (layer.__dirty && layer.__drawIndex < 0) {\n                layer.__drawIndex = layer.__startIndex;\n            }\n        });\n    };\n    CanvasPainter.prototype.clear = function () {\n        this.eachBuiltinLayer(this._clearLayer);\n        return this;\n    };\n    CanvasPainter.prototype._clearLayer = function (layer) {\n        layer.clear();\n    };\n    CanvasPainter.prototype.setBackgroundColor = function (backgroundColor) {\n        this._backgroundColor = backgroundColor;\n        util.each(this._layers, function (layer) {\n            layer.setUnpainted();\n        });\n    };\n    CanvasPainter.prototype.configLayer = function (zlevel, config) {\n        if (config) {\n            var layerConfig = this._layerConfig;\n            if (!layerConfig[zlevel]) {\n                layerConfig[zlevel] = config;\n            }\n            else {\n                util.merge(layerConfig[zlevel], config, true);\n            }\n            for (var i = 0; i < this._zlevelList.length; i++) {\n                var _zlevel = this._zlevelList[i];\n                if (_zlevel === zlevel || _zlevel === zlevel + EL_AFTER_INCREMENTAL_INC) {\n                    var layer = this._layers[_zlevel];\n                    util.merge(layer, layerConfig[zlevel], true);\n                }\n            }\n        }\n    };\n    CanvasPainter.prototype.delLayer = function (zlevel) {\n        var layers = this._layers;\n        var zlevelList = this._zlevelList;\n        var layer = layers[zlevel];\n        if (!layer) {\n            return;\n        }\n        layer.dom.parentNode.removeChild(layer.dom);\n        delete layers[zlevel];\n        zlevelList.splice(util.indexOf(zlevelList, zlevel), 1);\n    };\n    CanvasPainter.prototype.resize = function (width, height) {\n        if (!this._domRoot.style) {\n            if (width == null || height == null) {\n                return;\n            }\n            this._width = width;\n            this._height = height;\n            this.getLayer(CANVAS_ZLEVEL).resize(width, height);\n        }\n        else {\n            var domRoot = this._domRoot;\n            domRoot.style.display = 'none';\n            var opts = this._opts;\n            width != null && (opts.width = width);\n            height != null && (opts.height = height);\n            width = this._getSize(0);\n            height = this._getSize(1);\n            domRoot.style.display = '';\n            if (this._width !== width || height !== this._height) {\n                domRoot.style.width = width + 'px';\n                domRoot.style.height = height + 'px';\n                for (var id in this._layers) {\n                    if (this._layers.hasOwnProperty(id)) {\n                        this._layers[id].resize(width, height);\n                    }\n                }\n                this.refresh(true);\n            }\n            this._width = width;\n            this._height = height;\n        }\n        return this;\n    };\n    CanvasPainter.prototype.clearLayer = function (zlevel) {\n        var layer = this._layers[zlevel];\n        if (layer) {\n            layer.clear();\n        }\n    };\n    CanvasPainter.prototype.dispose = function () {\n        this.root.innerHTML = '';\n        this.root =\n            this.storage =\n                this._domRoot =\n                    this._layers = null;\n    };\n    CanvasPainter.prototype.getRenderedCanvas = function (opts) {\n        opts = opts || {};\n        if (this._singleCanvas && !this._compositeManually) {\n            return this._layers[CANVAS_ZLEVEL].dom;\n        }\n        var imageLayer = new Layer('image', this, opts.pixelRatio || this.dpr);\n        imageLayer.initContext();\n        imageLayer.clear(false, opts.backgroundColor || this._backgroundColor);\n        var ctx = imageLayer.ctx;\n        if (opts.pixelRatio <= this.dpr) {\n            this.refresh();\n            var width_1 = imageLayer.dom.width;\n            var height_1 = imageLayer.dom.height;\n            this.eachLayer(function (layer) {\n                if (layer.__builtin__) {\n                    ctx.drawImage(layer.dom, 0, 0, width_1, height_1);\n                }\n                else if (layer.renderToCanvas) {\n                    ctx.save();\n                    layer.renderToCanvas(ctx);\n                    ctx.restore();\n                }\n            });\n        }\n        else {\n            var scope = {\n                inHover: false,\n                viewWidth: this._width,\n                viewHeight: this._height\n            };\n            var displayList = this.storage.getDisplayList(true);\n            for (var i = 0, len = displayList.length; i < len; i++) {\n                var el = displayList[i];\n                brush(ctx, el, scope, i === len - 1);\n            }\n        }\n        return imageLayer.dom;\n    };\n    CanvasPainter.prototype.getWidth = function () {\n        return this._width;\n    };\n    CanvasPainter.prototype.getHeight = function () {\n        return this._height;\n    };\n    CanvasPainter.prototype._getSize = function (whIdx) {\n        var opts = this._opts;\n        var wh = ['width', 'height'][whIdx];\n        var cwh = ['clientWidth', 'clientHeight'][whIdx];\n        var plt = ['paddingLeft', 'paddingTop'][whIdx];\n        var prb = ['paddingRight', 'paddingBottom'][whIdx];\n        if (opts[wh] != null && opts[wh] !== 'auto') {\n            return parseFloat(opts[wh]);\n        }\n        var root = this.root;\n        var stl = document.defaultView.getComputedStyle(root);\n        return ((root[cwh] || parseInt10(stl[wh]) || parseInt10(root.style[wh]))\n            - (parseInt10(stl[plt]) || 0)\n            - (parseInt10(stl[prb]) || 0)) | 0;\n    };\n    CanvasPainter.prototype.pathToImage = function (path, dpr) {\n        dpr = dpr || this.dpr;\n        var canvas = document.createElement('canvas');\n        var ctx = canvas.getContext('2d');\n        var rect = path.getBoundingRect();\n        var style = path.style;\n        var shadowBlurSize = style.shadowBlur * dpr;\n        var shadowOffsetX = style.shadowOffsetX * dpr;\n        var shadowOffsetY = style.shadowOffsetY * dpr;\n        var lineWidth = path.hasStroke() ? style.lineWidth : 0;\n        var leftMargin = Math.max(lineWidth / 2, -shadowOffsetX + shadowBlurSize);\n        var rightMargin = Math.max(lineWidth / 2, shadowOffsetX + shadowBlurSize);\n        var topMargin = Math.max(lineWidth / 2, -shadowOffsetY + shadowBlurSize);\n        var bottomMargin = Math.max(lineWidth / 2, shadowOffsetY + shadowBlurSize);\n        var width = rect.width + leftMargin + rightMargin;\n        var height = rect.height + topMargin + bottomMargin;\n        canvas.width = width * dpr;\n        canvas.height = height * dpr;\n        ctx.scale(dpr, dpr);\n        ctx.clearRect(0, 0, width, height);\n        ctx.dpr = dpr;\n        var pathTransform = {\n            x: path.x,\n            y: path.y,\n            scaleX: path.scaleX,\n            scaleY: path.scaleY,\n            rotation: path.rotation,\n            originX: path.originX,\n            originY: path.originY\n        };\n        path.x = leftMargin - rect.x;\n        path.y = topMargin - rect.y;\n        path.rotation = 0;\n        path.scaleX = 1;\n        path.scaleY = 1;\n        path.updateTransform();\n        if (path) {\n            brush(ctx, path, {\n                inHover: false,\n                viewWidth: this._width,\n                viewHeight: this._height\n            }, true);\n        }\n        var imgShape = new ZRImage({\n            style: {\n                x: 0,\n                y: 0,\n                image: canvas\n            }\n        });\n        util.extend(path, pathTransform);\n        return imgShape;\n    };\n    return CanvasPainter;\n}());\nexport default CanvasPainter;\n;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport CanvasPainter from 'zrender/lib/canvas/Painter';\nexport function install(registers) {\n  registers.registerPainter('canvas', CanvasPainter);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport function findEventDispatcher(target, det, returnFirstMatch) {\n  var found;\n\n  while (target) {\n    if (det(target)) {\n      found = target;\n\n      if (returnFirstMatch) {\n        break;\n      }\n    }\n\n    target = target.__hostTarget || target.parent;\n  }\n\n  return found;\n}","import { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { Observable } from '../Observable';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { ObservableInput, OperatorFunction, ObservedValueOf } from '../types';\n\n/* tslint:disable:max-line-length */\nexport function withLatestFrom<T, R>(project: (v1: T) => R): OperatorFunction<T, R>;\nexport function withLatestFrom<T, O2 extends ObservableInput<any>, R>(source2: O2, project: (v1: T, v2: ObservedValueOf<O2>) => R): OperatorFunction<T, R>;\nexport function withLatestFrom<T, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, R>(v2: O2, v3: O3, project: (v1: T, v2: ObservedValueOf<O2>, v3: ObservedValueOf<O3>) => R): OperatorFunction<T, R>;\nexport function withLatestFrom<T, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>, R>(v2: O2, v3: O3, v4: O4, project: (v1: T, v2: ObservedValueOf<O2>, v3: ObservedValueOf<O3>, v4: ObservedValueOf<O4>) => R): OperatorFunction<T, R>;\nexport function withLatestFrom<T, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>, O5 extends ObservableInput<any>, R>(v2: O2, v3: O3, v4: O4, v5: O5, project: (v1: T, v2: ObservedValueOf<O2>, v3: ObservedValueOf<O3>, v4: ObservedValueOf<O4>, v5: ObservedValueOf<O5>) => R): OperatorFunction<T, R>;\nexport function withLatestFrom<T, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>, O5 extends ObservableInput<any>, O6 extends ObservableInput<any>, R>(v2: O2, v3: O3, v4: O4, v5: O5, v6: O6, project: (v1: T, v2: ObservedValueOf<O2>, v3: ObservedValueOf<O3>, v4: ObservedValueOf<O4>, v5: ObservedValueOf<O5>, v6: ObservedValueOf<O6>) => R): OperatorFunction<T, R>;\nexport function withLatestFrom<T, O2 extends ObservableInput<any>>(source2: O2): OperatorFunction<T, [T, ObservedValueOf<O2>]>;\nexport function withLatestFrom<T, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>>(v2: O2, v3: O3): OperatorFunction<T, [T, ObservedValueOf<O2>, ObservedValueOf<O3>]>;\nexport function withLatestFrom<T, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>>(v2: O2, v3: O3, v4: O4): OperatorFunction<T, [T, ObservedValueOf<O2>, ObservedValueOf<O3>, ObservedValueOf<O4>]>;\nexport function withLatestFrom<T, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>, O5 extends ObservableInput<any>>(v2: O2, v3: O3, v4: O4, v5: O5): OperatorFunction<T, [T, ObservedValueOf<O2>, ObservedValueOf<O3>, ObservedValueOf<O4>, ObservedValueOf<O5>]>;\nexport function withLatestFrom<T, O2 extends ObservableInput<any>, O3 extends ObservableInput<any>, O4 extends ObservableInput<any>, O5 extends ObservableInput<any>, O6 extends ObservableInput<any>>(v2: O2, v3: O3, v4: O4, v5: O5, v6: O6): OperatorFunction<T, [T, ObservedValueOf<O2>, ObservedValueOf<O3>, ObservedValueOf<O4>, ObservedValueOf<O5>, ObservedValueOf<O6>]>;\nexport function withLatestFrom<T, R>(...observables: Array<ObservableInput<any> | ((...values: Array<any>) => R)>): OperatorFunction<T, R>;\nexport function withLatestFrom<T, R>(array: ObservableInput<any>[]): OperatorFunction<T, R>;\nexport function withLatestFrom<T, R>(array: ObservableInput<any>[], project: (...values: Array<any>) => R): OperatorFunction<T, R>;\n\n/* tslint:enable:max-line-length */\n\n/**\n * Combines the source Observable with other Observables to create an Observable\n * whose values are calculated from the latest values of each, only when the\n * source emits.\n *\n * <span class=\"informal\">Whenever the source Observable emits a value, it\n * computes a formula using that value plus the latest values from other input\n * Observables, then emits the output of that formula.</span>\n *\n * ![](withLatestFrom.png)\n *\n * `withLatestFrom` combines each value from the source Observable (the\n * instance) with the latest values from the other input Observables only when\n * the source emits a value, optionally using a `project` function to determine\n * the value to be emitted on the output Observable. All input Observables must\n * emit at least one value before the output Observable will emit a value.\n *\n * ## Example\n * On every click event, emit an array with the latest timer event plus the click event\n * ```ts\n * import { fromEvent, interval } from 'rxjs';\n * import { withLatestFrom } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const timer = interval(1000);\n * const result = clicks.pipe(withLatestFrom(timer));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link combineLatest}\n *\n * @param {ObservableInput} other An input Observable to combine with the source\n * Observable. More than one input Observables may be given as argument.\n * @param {Function} [project] Projection function for combining values\n * together. Receives all values in order of the Observables passed, where the\n * first parameter is a value from the source Observable. (e.g.\n * `a.pipe(withLatestFrom(b, c), map(([a1, b1, c1]) => a1 + b1 + c1))`). If this is not\n * passed, arrays will be emitted on the output Observable.\n * @return {Observable} An Observable of projected values from the most recent\n * values from each input Observable, or an array of the most recent values from\n * each input Observable.\n * @method withLatestFrom\n * @owner Observable\n */\nexport function withLatestFrom<T, R>(...args: Array<ObservableInput<any> | ((...values: Array<any>) => R)>): OperatorFunction<T, R> {\n  return (source: Observable<T>) => {\n    let project: any;\n    if (typeof args[args.length - 1] === 'function') {\n      project = args.pop();\n    }\n    const observables = <Observable<any>[]>args;\n    return source.lift(new WithLatestFromOperator(observables, project));\n  };\n}\n\nclass WithLatestFromOperator<T, R> implements Operator<T, R> {\n  constructor(private observables: Observable<any>[],\n              private project?: (...values: any[]) => Observable<R>) {\n  }\n\n  call(subscriber: Subscriber<R>, source: any): any {\n    return source.subscribe(new WithLatestFromSubscriber(subscriber, this.observables, this.project));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass WithLatestFromSubscriber<T, R> extends OuterSubscriber<T, R> {\n  private values: any[];\n  private toRespond: number[] = [];\n\n  constructor(destination: Subscriber<R>,\n              private observables: Observable<any>[],\n              private project?: (...values: any[]) => Observable<R>) {\n    super(destination);\n    const len = observables.length;\n    this.values = new Array(len);\n\n    for (let i = 0; i < len; i++) {\n      this.toRespond.push(i);\n    }\n\n    for (let i = 0; i < len; i++) {\n      let observable = observables[i];\n      this.add(subscribeToResult<T, R>(this, observable, <any>observable, i));\n    }\n  }\n\n  notifyNext(outerValue: T, innerValue: R,\n             outerIndex: number, innerIndex: number,\n             innerSub: InnerSubscriber<T, R>): void {\n    this.values[outerIndex] = innerValue;\n    const toRespond = this.toRespond;\n    if (toRespond.length > 0) {\n      const found = toRespond.indexOf(outerIndex);\n      if (found !== -1) {\n        toRespond.splice(found, 1);\n      }\n    }\n  }\n\n  notifyComplete() {\n    // noop\n  }\n\n  protected _next(value: T) {\n    if (this.toRespond.length === 0) {\n      const args = [value, ...this.values];\n      if (this.project) {\n        this._tryProject(args);\n      } else {\n        this.destination.next(args);\n      }\n    }\n  }\n\n  private _tryProject(args: any[]) {\n    let result: any;\n    try {\n      result = this.project.apply(this, args);\n    } catch (err) {\n      this.destination.error(err);\n      return;\n    }\n    this.destination.next(result);\n  }\n}\n","(function (window, factory) {\n    if (typeof exports === 'object') {\n        module.exports = factory();\n    } else if (typeof define === 'function' && define.amd) {\n        define(factory);\n    } else {\n        window.jStat = factory();\n    }\n})(this, function () {\nvar jStat = (function(Math, undefined) {\n\nconsole.warn('The npm package jStat is no longer maintained. Instead use jstat (lowercase).');\nconsole.warn('Visit https://www.npmjs.com/package/jstat for more information.');\n\n// For quick reference.\nvar concat = Array.prototype.concat;\nvar slice = Array.prototype.slice;\nvar toString = Object.prototype.toString;\n\n// Calculate correction for IEEE error\n// TODO: This calculation can be improved.\nfunction calcRdx(n, m) {\n  var val = n > m ? n : m;\n  return Math.pow(10,\n                  17 - ~~(Math.log(((val > 0) ? val : -val)) * Math.LOG10E));\n}\n\n\nvar isArray = Array.isArray || function isArray(arg) {\n  return toString.call(arg) === '[object Array]';\n};\n\n\nfunction isFunction(arg) {\n  return toString.call(arg) === '[object Function]';\n}\n\n\nfunction isNumber(arg) {\n  return typeof arg === 'number' && arg === arg;\n}\n\n\n// Converts the jStat matrix to vector.\nfunction toVector(arr) {\n  return concat.apply([], arr);\n}\n\n\n// The one and only jStat constructor.\nfunction jStat() {\n  return new jStat._init(arguments);\n}\n\n\n// TODO: Remove after all references in src files have been removed.\njStat.fn = jStat.prototype;\n\n\n// By separating the initializer from the constructor it's easier to handle\n// always returning a new instance whether \"new\" was used or not.\njStat._init = function _init(args) {\n  // If first argument is an array, must be vector or matrix.\n  if (isArray(args[0])) {\n    // Check if matrix.\n    if (isArray(args[0][0])) {\n      // See if a mapping function was also passed.\n      if (isFunction(args[1]))\n        args[0] = jStat.map(args[0], args[1]);\n      // Iterate over each is faster than this.push.apply(this, args[0].\n      for (var i = 0; i < args[0].length; i++)\n        this[i] = args[0][i];\n      this.length = args[0].length;\n\n    // Otherwise must be a vector.\n    } else {\n      this[0] = isFunction(args[1]) ? jStat.map(args[0], args[1]) : args[0];\n      this.length = 1;\n    }\n\n  // If first argument is number, assume creation of sequence.\n  } else if (isNumber(args[0])) {\n    this[0] = jStat.seq.apply(null, args);\n    this.length = 1;\n\n  // Handle case when jStat object is passed to jStat.\n  } else if (args[0] instanceof jStat) {\n    // Duplicate the object and pass it back.\n    return jStat(args[0].toArray());\n\n  // Unexpected argument value, return empty jStat object.\n  // TODO: This is strange behavior. Shouldn't this throw or some such to let\n  // the user know they had bad arguments?\n  } else {\n    this[0] = [];\n    this.length = 1;\n  }\n\n  return this;\n};\njStat._init.prototype = jStat.prototype;\njStat._init.constructor = jStat;\n\n\n// Utility functions.\n// TODO: for internal use only?\njStat.utils = {\n  calcRdx: calcRdx,\n  isArray: isArray,\n  isFunction: isFunction,\n  isNumber: isNumber,\n  toVector: toVector\n};\n\n\njStat._random_fn = Math.random;\njStat.setRandom = function setRandom(fn) {\n  if (typeof fn !== 'function')\n    throw new TypeError('fn is not a function');\n  jStat._random_fn = fn;\n};\n\n\n// Easily extend the jStat object.\n// TODO: is this seriously necessary?\njStat.extend = function extend(obj) {\n  var i, j;\n\n  if (arguments.length === 1) {\n    for (j in obj)\n      jStat[j] = obj[j];\n    return this;\n  }\n\n  for (i = 1; i < arguments.length; i++) {\n    for (j in arguments[i])\n      obj[j] = arguments[i][j];\n  }\n\n  return obj;\n};\n\n\n// Returns the number of rows in the matrix.\njStat.rows = function rows(arr) {\n  return arr.length || 1;\n};\n\n\n// Returns the number of columns in the matrix.\njStat.cols = function cols(arr) {\n  return arr[0].length || 1;\n};\n\n\n// Returns the dimensions of the object { rows: i, cols: j }\njStat.dimensions = function dimensions(arr) {\n  return {\n    rows: jStat.rows(arr),\n    cols: jStat.cols(arr)\n  };\n};\n\n\n// Returns a specified row as a vector or return a sub matrix by pick some rows\njStat.row = function row(arr, index) {\n  if (isArray(index)) {\n    return index.map(function(i) {\n      return jStat.row(arr, i);\n    })\n  }\n  return arr[index];\n};\n\n\n// return row as array\n// rowa([[1,2],[3,4]],0) -> [1,2]\njStat.rowa = function rowa(arr, i) {\n  return jStat.row(arr, i);\n};\n\n\n// Returns the specified column as a vector or return a sub matrix by pick some\n// columns\njStat.col = function col(arr, index) {\n  if (isArray(index)) {\n    var submat = jStat.arange(arr.length).map(function() {\n      return new Array(index.length);\n    });\n    index.forEach(function(ind, i){\n      jStat.arange(arr.length).forEach(function(j) {\n        submat[j][i] = arr[j][ind];\n      });\n    });\n    return submat;\n  }\n  var column = new Array(arr.length);\n  for (var i = 0; i < arr.length; i++)\n    column[i] = [arr[i][index]];\n  return column;\n};\n\n\n// return column as array\n// cola([[1,2],[3,4]],0) -> [1,3]\njStat.cola = function cola(arr, i) {\n  return jStat.col(arr, i).map(function(a){ return a[0] });\n};\n\n\n// Returns the diagonal of the matrix\njStat.diag = function diag(arr) {\n  var nrow = jStat.rows(arr);\n  var res = new Array(nrow);\n  for (var row = 0; row < nrow; row++)\n    res[row] = [arr[row][row]];\n  return res;\n};\n\n\n// Returns the anti-diagonal of the matrix\njStat.antidiag = function antidiag(arr) {\n  var nrow = jStat.rows(arr) - 1;\n  var res = new Array(nrow);\n  for (var i = 0; nrow >= 0; nrow--, i++)\n    res[i] = [arr[i][nrow]];\n  return res;\n};\n\n// Transpose a matrix or array.\njStat.transpose = function transpose(arr) {\n  var obj = [];\n  var objArr, rows, cols, j, i;\n\n  // Make sure arr is in matrix format.\n  if (!isArray(arr[0]))\n    arr = [arr];\n\n  rows = arr.length;\n  cols = arr[0].length;\n\n  for (i = 0; i < cols; i++) {\n    objArr = new Array(rows);\n    for (j = 0; j < rows; j++)\n      objArr[j] = arr[j][i];\n    obj.push(objArr);\n  }\n\n  // If obj is vector, return only single array.\n  return obj.length === 1 ? obj[0] : obj;\n};\n\n\n// Map a function to an array or array of arrays.\n// \"toAlter\" is an internal variable.\njStat.map = function map(arr, func, toAlter) {\n  var row, nrow, ncol, res, col;\n\n  if (!isArray(arr[0]))\n    arr = [arr];\n\n  nrow = arr.length;\n  ncol = arr[0].length;\n  res = toAlter ? arr : new Array(nrow);\n\n  for (row = 0; row < nrow; row++) {\n    // if the row doesn't exist, create it\n    if (!res[row])\n      res[row] = new Array(ncol);\n    for (col = 0; col < ncol; col++)\n      res[row][col] = func(arr[row][col], row, col);\n  }\n\n  return res.length === 1 ? res[0] : res;\n};\n\n\n// Cumulatively combine the elements of an array or array of arrays using a function.\njStat.cumreduce = function cumreduce(arr, func, toAlter) {\n  var row, nrow, ncol, res, col;\n\n  if (!isArray(arr[0]))\n    arr = [arr];\n\n  nrow = arr.length;\n  ncol = arr[0].length;\n  res = toAlter ? arr : new Array(nrow);\n\n  for (row = 0; row < nrow; row++) {\n    // if the row doesn't exist, create it\n    if (!res[row])\n      res[row] = new Array(ncol);\n    if (ncol > 0)\n      res[row][0] = arr[row][0];\n    for (col = 1; col < ncol; col++)\n      res[row][col] = func(res[row][col-1], arr[row][col]);\n  }\n  return res.length === 1 ? res[0] : res;\n};\n\n\n// Destructively alter an array.\njStat.alter = function alter(arr, func) {\n  return jStat.map(arr, func, true);\n};\n\n\n// Generate a rows x cols matrix according to the supplied function.\njStat.create = function  create(rows, cols, func) {\n  var res = new Array(rows);\n  var i, j;\n\n  if (isFunction(cols)) {\n    func = cols;\n    cols = rows;\n  }\n\n  for (i = 0; i < rows; i++) {\n    res[i] = new Array(cols);\n    for (j = 0; j < cols; j++)\n      res[i][j] = func(i, j);\n  }\n\n  return res;\n};\n\n\nfunction retZero() { return 0; }\n\n\n// Generate a rows x cols matrix of zeros.\njStat.zeros = function zeros(rows, cols) {\n  if (!isNumber(cols))\n    cols = rows;\n  return jStat.create(rows, cols, retZero);\n};\n\n\nfunction retOne() { return 1; }\n\n\n// Generate a rows x cols matrix of ones.\njStat.ones = function ones(rows, cols) {\n  if (!isNumber(cols))\n    cols = rows;\n  return jStat.create(rows, cols, retOne);\n};\n\n\n// Generate a rows x cols matrix of uniformly random numbers.\njStat.rand = function rand(rows, cols) {\n  if (!isNumber(cols))\n    cols = rows;\n  return jStat.create(rows, cols, jStat._random_fn);\n};\n\n\nfunction retIdent(i, j) { return i === j ? 1 : 0; }\n\n\n// Generate an identity matrix of size row x cols.\njStat.identity = function identity(rows, cols) {\n  if (!isNumber(cols))\n    cols = rows;\n  return jStat.create(rows, cols, retIdent);\n};\n\n\n// Tests whether a matrix is symmetric\njStat.symmetric = function symmetric(arr) {\n  var size = arr.length;\n  var row, col;\n\n  if (arr.length !== arr[0].length)\n    return false;\n\n  for (row = 0; row < size; row++) {\n    for (col = 0; col < size; col++)\n      if (arr[col][row] !== arr[row][col])\n        return false;\n  }\n\n  return true;\n};\n\n\n// Set all values to zero.\njStat.clear = function clear(arr) {\n  return jStat.alter(arr, retZero);\n};\n\n\n// Generate sequence.\njStat.seq = function seq(min, max, length, func) {\n  if (!isFunction(func))\n    func = false;\n\n  var arr = [];\n  var hival = calcRdx(min, max);\n  var step = (max * hival - min * hival) / ((length - 1) * hival);\n  var current = min;\n  var cnt;\n\n  // Current is assigned using a technique to compensate for IEEE error.\n  // TODO: Needs better implementation.\n  for (cnt = 0;\n       current <= max && cnt < length;\n       cnt++, current = (min * hival + step * hival * cnt) / hival) {\n    arr.push((func ? func(current, cnt) : current));\n  }\n\n  return arr;\n};\n\n\n// arange(5) -> [0,1,2,3,4]\n// arange(1,5) -> [1,2,3,4]\n// arange(5,1,-1) -> [5,4,3,2]\njStat.arange = function arange(start, end, step) {\n  var rl = [];\n  var i;\n  step = step || 1;\n  if (end === undefined) {\n    end = start;\n    start = 0;\n  }\n  if (start === end || step === 0) {\n    return [];\n  }\n  if (start < end && step < 0) {\n    return [];\n  }\n  if (start > end && step > 0) {\n    return [];\n  }\n  if (step > 0) {\n    for (i = start; i < end; i += step) {\n      rl.push(i);\n    }\n  } else {\n    for (i = start; i > end; i += step) {\n      rl.push(i);\n    }\n  }\n  return rl;\n};\n\n\n// A=[[1,2,3],[4,5,6],[7,8,9]]\n// slice(A,{row:{end:2},col:{start:1}}) -> [[2,3],[5,6]]\n// slice(A,1,{start:1}) -> [5,6]\n// as numpy code A[:2,1:]\njStat.slice = (function(){\n  function _slice(list, start, end, step) {\n    // note it's not equal to range.map mode it's a bug\n    var i;\n    var rl = [];\n    var length = list.length;\n    if (start === undefined && end === undefined && step === undefined) {\n      return jStat.copy(list);\n    }\n\n    start = start || 0;\n    end = end || list.length;\n    start = start >= 0 ? start : length + start;\n    end = end >= 0 ? end : length + end;\n    step = step || 1;\n    if (start === end || step === 0) {\n      return [];\n    }\n    if (start < end && step < 0) {\n      return [];\n    }\n    if (start > end && step > 0) {\n      return [];\n    }\n    if (step > 0) {\n      for (i = start; i < end; i += step) {\n        rl.push(list[i]);\n      }\n    } else {\n      for (i = start; i > end;i += step) {\n        rl.push(list[i]);\n      }\n    }\n    return rl;\n  }\n\n  function slice(list, rcSlice) {\n    var colSlice, rowSlice;\n    rcSlice = rcSlice || {};\n    if (isNumber(rcSlice.row)) {\n      if (isNumber(rcSlice.col))\n        return list[rcSlice.row][rcSlice.col];\n      var row = jStat.rowa(list, rcSlice.row);\n      colSlice = rcSlice.col || {};\n      return _slice(row, colSlice.start, colSlice.end, colSlice.step);\n    }\n\n    if (isNumber(rcSlice.col)) {\n      var col = jStat.cola(list, rcSlice.col);\n      rowSlice = rcSlice.row || {};\n      return _slice(col, rowSlice.start, rowSlice.end, rowSlice.step);\n    }\n\n    rowSlice = rcSlice.row || {};\n    colSlice = rcSlice.col || {};\n    var rows = _slice(list, rowSlice.start, rowSlice.end, rowSlice.step);\n    return rows.map(function(row) {\n      return _slice(row, colSlice.start, colSlice.end, colSlice.step);\n    });\n  }\n\n  return slice;\n}());\n\n\n// A=[[1,2,3],[4,5,6],[7,8,9]]\n// sliceAssign(A,{row:{start:1},col:{start:1}},[[0,0],[0,0]])\n// A=[[1,2,3],[4,0,0],[7,0,0]]\njStat.sliceAssign = function sliceAssign(A, rcSlice, B) {\n  var nl, ml;\n  if (isNumber(rcSlice.row)) {\n    if (isNumber(rcSlice.col))\n      return A[rcSlice.row][rcSlice.col] = B;\n    rcSlice.col = rcSlice.col || {};\n    rcSlice.col.start = rcSlice.col.start || 0;\n    rcSlice.col.end = rcSlice.col.end || A[0].length;\n    rcSlice.col.step = rcSlice.col.step || 1;\n    nl = jStat.arange(rcSlice.col.start,\n                          Math.min(A.length, rcSlice.col.end),\n                          rcSlice.col.step);\n    var m = rcSlice.row;\n    nl.forEach(function(n, i) {\n      A[m][n] = B[i];\n    });\n    return A;\n  }\n\n  if (isNumber(rcSlice.col)) {\n    rcSlice.row = rcSlice.row || {};\n    rcSlice.row.start = rcSlice.row.start || 0;\n    rcSlice.row.end = rcSlice.row.end || A.length;\n    rcSlice.row.step = rcSlice.row.step || 1;\n    ml = jStat.arange(rcSlice.row.start,\n                          Math.min(A[0].length, rcSlice.row.end),\n                          rcSlice.row.step);\n    var n = rcSlice.col;\n    ml.forEach(function(m, j) {\n      A[m][n] = B[j];\n    });\n    return A;\n  }\n\n  if (B[0].length === undefined) {\n    B = [B];\n  }\n  rcSlice.row.start = rcSlice.row.start || 0;\n  rcSlice.row.end = rcSlice.row.end || A.length;\n  rcSlice.row.step = rcSlice.row.step || 1;\n  rcSlice.col.start = rcSlice.col.start || 0;\n  rcSlice.col.end = rcSlice.col.end || A[0].length;\n  rcSlice.col.step = rcSlice.col.step || 1;\n  ml = jStat.arange(rcSlice.row.start,\n                        Math.min(A.length, rcSlice.row.end),\n                        rcSlice.row.step);\n  nl = jStat.arange(rcSlice.col.start,\n                        Math.min(A[0].length, rcSlice.col.end),\n                        rcSlice.col.step);\n  ml.forEach(function(m, i) {\n    nl.forEach(function(n, j) {\n      A[m][n] = B[i][j];\n    });\n  });\n  return A;\n};\n\n\n// [1,2,3] ->\n// [[1,0,0],[0,2,0],[0,0,3]]\njStat.diagonal = function diagonal(diagArray) {\n  var mat = jStat.zeros(diagArray.length, diagArray.length);\n  diagArray.forEach(function(t, i) {\n    mat[i][i] = t;\n  });\n  return mat;\n};\n\n\n// return copy of A\njStat.copy = function copy(A) {\n  return A.map(function(row) {\n    if (isNumber(row))\n      return row;\n    return row.map(function(t) {\n      return t;\n    });\n  });\n};\n\n\n// TODO: Go over this entire implementation. Seems a tragic waste of resources\n// doing all this work. Instead, and while ugly, use new Function() to generate\n// a custom function for each static method.\n\n// Quick reference.\nvar jProto = jStat.prototype;\n\n// Default length.\njProto.length = 0;\n\n// For internal use only.\n// TODO: Check if they're actually used, and if they are then rename them\n// to _*\njProto.push = Array.prototype.push;\njProto.sort = Array.prototype.sort;\njProto.splice = Array.prototype.splice;\njProto.slice = Array.prototype.slice;\n\n\n// Return a clean array.\njProto.toArray = function toArray() {\n  return this.length > 1 ? slice.call(this) : slice.call(this)[0];\n};\n\n\n// Map a function to a matrix or vector.\njProto.map = function map(func, toAlter) {\n  return jStat(jStat.map(this, func, toAlter));\n};\n\n\n// Cumulatively combine the elements of a matrix or vector using a function.\njProto.cumreduce = function cumreduce(func, toAlter) {\n  return jStat(jStat.cumreduce(this, func, toAlter));\n};\n\n\n// Destructively alter an array.\njProto.alter = function alter(func) {\n  jStat.alter(this, func);\n  return this;\n};\n\n\n// Extend prototype with methods that have no argument.\n(function(funcs) {\n  for (var i = 0; i < funcs.length; i++) (function(passfunc) {\n    jProto[passfunc] = function(func) {\n      var self = this,\n      results;\n      // Check for callback.\n      if (func) {\n        setTimeout(function() {\n          func.call(self, jProto[passfunc].call(self));\n        });\n        return this;\n      }\n      results = jStat[passfunc](this);\n      return isArray(results) ? jStat(results) : results;\n    };\n  })(funcs[i]);\n})('transpose clear symmetric rows cols dimensions diag antidiag'.split(' '));\n\n\n// Extend prototype with methods that have one argument.\n(function(funcs) {\n  for (var i = 0; i < funcs.length; i++) (function(passfunc) {\n    jProto[passfunc] = function(index, func) {\n      var self = this;\n      // check for callback\n      if (func) {\n        setTimeout(function() {\n          func.call(self, jProto[passfunc].call(self, index));\n        });\n        return this;\n      }\n      return jStat(jStat[passfunc](this, index));\n    };\n  })(funcs[i]);\n})('row col'.split(' '));\n\n\n// Extend prototype with simple shortcut methods.\n(function(funcs) {\n  for (var i = 0; i < funcs.length; i++) (function(passfunc) {\n    jProto[passfunc] = function() {\n      return jStat(jStat[passfunc].apply(null, arguments));\n    };\n  })(funcs[i]);\n})('create zeros ones rand identity'.split(' '));\n\n\n// Exposing jStat.\nreturn jStat;\n\n}(Math));\n(function(jStat, Math) {\n\nvar isFunction = jStat.utils.isFunction;\n\n// Ascending functions for sort\nfunction ascNum(a, b) { return a - b; }\n\nfunction clip(arg, min, max) {\n  return Math.max(min, Math.min(arg, max));\n}\n\n\n// sum of an array\njStat.sum = function sum(arr) {\n  var sum = 0;\n  var i = arr.length;\n  while (--i >= 0)\n    sum += arr[i];\n  return sum;\n};\n\n\n// sum squared\njStat.sumsqrd = function sumsqrd(arr) {\n  var sum = 0;\n  var i = arr.length;\n  while (--i >= 0)\n    sum += arr[i] * arr[i];\n  return sum;\n};\n\n\n// sum of squared errors of prediction (SSE)\njStat.sumsqerr = function sumsqerr(arr) {\n  var mean = jStat.mean(arr);\n  var sum = 0;\n  var i = arr.length;\n  var tmp;\n  while (--i >= 0) {\n    tmp = arr[i] - mean;\n    sum += tmp * tmp;\n  }\n  return sum;\n};\n\n// sum of an array in each row\njStat.sumrow = function sumrow(arr) {\n  var sum = 0;\n  var i = arr.length;\n  while (--i >= 0)\n    sum += arr[i];\n  return sum;\n};\n\n// product of an array\njStat.product = function product(arr) {\n  var prod = 1;\n  var i = arr.length;\n  while (--i >= 0)\n    prod *= arr[i];\n  return prod;\n};\n\n\n// minimum value of an array\njStat.min = function min(arr) {\n  var low = arr[0];\n  var i = 0;\n  while (++i < arr.length)\n    if (arr[i] < low)\n      low = arr[i];\n  return low;\n};\n\n\n// maximum value of an array\njStat.max = function max(arr) {\n  var high = arr[0];\n  var i = 0;\n  while (++i < arr.length)\n    if (arr[i] > high)\n      high = arr[i];\n  return high;\n};\n\n\n// unique values of an array\njStat.unique = function unique(arr) {\n  var hash = {}, _arr = [];\n  for(var i = 0; i < arr.length; i++) {\n    if (!hash[arr[i]]) {\n      hash[arr[i]] = true;\n      _arr.push(arr[i]);\n    }\n  }\n  return _arr;\n};\n\n\n// mean value of an array\njStat.mean = function mean(arr) {\n  return jStat.sum(arr) / arr.length;\n};\n\n\n// mean squared error (MSE)\njStat.meansqerr = function meansqerr(arr) {\n  return jStat.sumsqerr(arr) / arr.length;\n};\n\n\n// geometric mean of an array\njStat.geomean = function geomean(arr) {\n  return Math.pow(jStat.product(arr), 1 / arr.length);\n};\n\n\n// median of an array\njStat.median = function median(arr) {\n  var arrlen = arr.length;\n  var _arr = arr.slice().sort(ascNum);\n  // check if array is even or odd, then return the appropriate\n  return !(arrlen & 1)\n    ? (_arr[(arrlen / 2) - 1 ] + _arr[(arrlen / 2)]) / 2\n    : _arr[(arrlen / 2) | 0 ];\n};\n\n\n// cumulative sum of an array\njStat.cumsum = function cumsum(arr) {\n  return jStat.cumreduce(arr, function (a, b) { return a + b; });\n};\n\n\n// cumulative product of an array\njStat.cumprod = function cumprod(arr) {\n  return jStat.cumreduce(arr, function (a, b) { return a * b; });\n};\n\n\n// successive differences of a sequence\njStat.diff = function diff(arr) {\n  var diffs = [];\n  var arrLen = arr.length;\n  var i;\n  for (i = 1; i < arrLen; i++)\n    diffs.push(arr[i] - arr[i - 1]);\n  return diffs;\n};\n\n\n// ranks of an array\njStat.rank = function (arr) {\n  var arrlen = arr.length;\n  var sorted = arr.slice().sort(ascNum);\n  var ranks = new Array(arrlen);\n  var val;\n  for (var i = 0; i < arrlen; i++) {\n    var first = sorted.indexOf(arr[i]);\n    var last = sorted.lastIndexOf(arr[i]);\n    if (first === last) {\n      val = first;\n    } else {\n      val = (first + last) / 2;\n    }\n    ranks[i] = val + 1;\n  }\n  return ranks;\n};\n\n\n// mode of an array\n// if there are multiple modes of an array, return all of them\n// is this the appropriate way of handling it?\njStat.mode = function mode(arr) {\n  var arrLen = arr.length;\n  var _arr = arr.slice().sort(ascNum);\n  var count = 1;\n  var maxCount = 0;\n  var numMaxCount = 0;\n  var mode_arr = [];\n  var i;\n\n  for (i = 0; i < arrLen; i++) {\n    if (_arr[i] === _arr[i + 1]) {\n      count++;\n    } else {\n      if (count > maxCount) {\n        mode_arr = [_arr[i]];\n        maxCount = count;\n        numMaxCount = 0;\n      }\n      // are there multiple max counts\n      else if (count === maxCount) {\n        mode_arr.push(_arr[i]);\n        numMaxCount++;\n      }\n      // resetting count for new value in array\n      count = 1;\n    }\n  }\n\n  return numMaxCount === 0 ? mode_arr[0] : mode_arr;\n};\n\n\n// range of an array\njStat.range = function range(arr) {\n  return jStat.max(arr) - jStat.min(arr);\n};\n\n// variance of an array\n// flag = true indicates sample instead of population\njStat.variance = function variance(arr, flag) {\n  return jStat.sumsqerr(arr) / (arr.length - (flag ? 1 : 0));\n};\n\n// pooled variance of an array of arrays\njStat.pooledvariance = function pooledvariance(arr) {\n  var sumsqerr = arr.reduce(function (a, samples) {return a + jStat.sumsqerr(samples);}, 0);\n  var count = arr.reduce(function (a, samples) {return a + samples.length;}, 0);\n  return sumsqerr / (count - arr.length);\n};\n\n// deviation of an array\njStat.deviation = function (arr) {\n  var mean = jStat.mean(arr);\n  var arrlen = arr.length;\n  var dev = new Array(arrlen);\n  for (var i = 0; i < arrlen; i++) {\n    dev[i] = arr[i] - mean;\n  }\n  return dev;\n};\n\n// standard deviation of an array\n// flag = true indicates sample instead of population\njStat.stdev = function stdev(arr, flag) {\n  return Math.sqrt(jStat.variance(arr, flag));\n};\n\n// pooled standard deviation of an array of arrays\njStat.pooledstdev = function pooledstdev(arr) {\n  return Math.sqrt(jStat.pooledvariance(arr));\n};\n\n// mean deviation (mean absolute deviation) of an array\njStat.meandev = function meandev(arr) {\n  var mean = jStat.mean(arr);\n  var a = [];\n  for (var i = arr.length - 1; i >= 0; i--) {\n    a.push(Math.abs(arr[i] - mean));\n  }\n  return jStat.mean(a);\n};\n\n\n// median deviation (median absolute deviation) of an array\njStat.meddev = function meddev(arr) {\n  var median = jStat.median(arr);\n  var a = [];\n  for (var i = arr.length - 1; i >= 0; i--) {\n    a.push(Math.abs(arr[i] - median));\n  }\n  return jStat.median(a);\n};\n\n\n// coefficient of variation\njStat.coeffvar = function coeffvar(arr) {\n  return jStat.stdev(arr) / jStat.mean(arr);\n};\n\n\n// quartiles of an array\njStat.quartiles = function quartiles(arr) {\n  var arrlen = arr.length;\n  var _arr = arr.slice().sort(ascNum);\n  return [\n    _arr[ Math.round((arrlen) / 4) - 1 ],\n    _arr[ Math.round((arrlen) / 2) - 1 ],\n    _arr[ Math.round((arrlen) * 3 / 4) - 1 ]\n  ];\n};\n\n\n// Arbitary quantiles of an array. Direct port of the scipy.stats\n// implementation by Pierre GF Gerard-Marchant.\njStat.quantiles = function quantiles(arr, quantilesArray, alphap, betap) {\n  var sortedArray = arr.slice().sort(ascNum);\n  var quantileVals = [quantilesArray.length];\n  var n = arr.length;\n  var i, p, m, aleph, k, gamma;\n\n  if (typeof alphap === 'undefined')\n    alphap = 3 / 8;\n  if (typeof betap === 'undefined')\n    betap = 3 / 8;\n\n  for (i = 0; i < quantilesArray.length; i++) {\n    p = quantilesArray[i];\n    m = alphap + p * (1 - alphap - betap);\n    aleph = n * p + m;\n    k = Math.floor(clip(aleph, 1, n - 1));\n    gamma = clip(aleph - k, 0, 1);\n    quantileVals[i] = (1 - gamma) * sortedArray[k - 1] + gamma * sortedArray[k];\n  }\n\n  return quantileVals;\n};\n\n// Return the k-th percentile of values in a range, where k is in the range 0..1, inclusive.\n// Passing true for the exclusive parameter excludes both endpoints of the range.\njStat.percentile = function percentile(arr, k, exclusive) {\n  var _arr = arr.slice().sort(ascNum);\n  var realIndex = k * (_arr.length + (exclusive ? 1 : -1)) + (exclusive ? 0 : 1);\n  var index = parseInt(realIndex);\n  var frac = realIndex - index;\n  if (index + 1 < _arr.length) {\n    return _arr[index - 1] + frac * (_arr[index] - _arr[index - 1]);\n  } else {\n    return _arr[index - 1];\n  }\n}\n\n// The percentile rank of score in a given array. Returns the percentage\n// of all values in the input array that are less than (kind='strict') or\n// less or equal than (kind='weak') score. Default is weak.\njStat.percentileOfScore = function percentileOfScore(arr, score, kind) {\n  var counter = 0;\n  var len = arr.length;\n  var strict = false;\n  var value, i;\n\n  if (kind === 'strict')\n    strict = true;\n\n  for (i = 0; i < len; i++) {\n    value = arr[i];\n    if ((strict && value < score) ||\n        (!strict && value <= score)) {\n      counter++;\n    }\n  }\n\n  return counter / len;\n};\n\n\n// Histogram (bin count) data\njStat.histogram = function histogram(arr, binCnt) {\n  binCnt = binCnt || 4;\n  var first = jStat.min(arr);\n  var binWidth = (jStat.max(arr) - first) / binCnt;\n  var len = arr.length;\n  var bins = [];\n  var i;\n\n  for (i = 0; i < binCnt; i++)\n    bins[i] = 0;\n  for (i = 0; i < len; i++)\n    bins[Math.min(Math.floor(((arr[i] - first) / binWidth)), binCnt - 1)] += 1;\n\n  return bins;\n};\n\n\n// covariance of two arrays\njStat.covariance = function covariance(arr1, arr2) {\n  var u = jStat.mean(arr1);\n  var v = jStat.mean(arr2);\n  var arr1Len = arr1.length;\n  var sq_dev = new Array(arr1Len);\n  var i;\n\n  for (i = 0; i < arr1Len; i++)\n    sq_dev[i] = (arr1[i] - u) * (arr2[i] - v);\n\n  return jStat.sum(sq_dev) / (arr1Len - 1);\n};\n\n\n// (pearson's) population correlation coefficient, rho\njStat.corrcoeff = function corrcoeff(arr1, arr2) {\n  return jStat.covariance(arr1, arr2) /\n      jStat.stdev(arr1, 1) /\n      jStat.stdev(arr2, 1);\n};\n\n  // (spearman's) rank correlation coefficient, sp\njStat.spearmancoeff =  function (arr1, arr2) {\n  arr1 = jStat.rank(arr1);\n  arr2 = jStat.rank(arr2);\n  //return pearson's correlation of the ranks:\n  return jStat.corrcoeff(arr1, arr2);\n}\n\n\n// statistical standardized moments (general form of skew/kurt)\njStat.stanMoment = function stanMoment(arr, n) {\n  var mu = jStat.mean(arr);\n  var sigma = jStat.stdev(arr);\n  var len = arr.length;\n  var skewSum = 0;\n\n  for (var i = 0; i < len; i++)\n    skewSum += Math.pow((arr[i] - mu) / sigma, n);\n\n  return skewSum / arr.length;\n};\n\n// (pearson's) moment coefficient of skewness\njStat.skewness = function skewness(arr) {\n  return jStat.stanMoment(arr, 3);\n};\n\n// (pearson's) (excess) kurtosis\njStat.kurtosis = function kurtosis(arr) {\n  return jStat.stanMoment(arr, 4) - 3;\n};\n\n\nvar jProto = jStat.prototype;\n\n\n// Extend jProto with method for calculating cumulative sums and products.\n// This differs from the similar extension below as cumsum and cumprod should\n// not be run again in the case fullbool === true.\n// If a matrix is passed, automatically assume operation should be done on the\n// columns.\n(function(funcs) {\n  for (var i = 0; i < funcs.length; i++) (function(passfunc) {\n    // If a matrix is passed, automatically assume operation should be done on\n    // the columns.\n    jProto[passfunc] = function(fullbool, func) {\n      var arr = [];\n      var i = 0;\n      var tmpthis = this;\n      // Assignment reassignation depending on how parameters were passed in.\n      if (isFunction(fullbool)) {\n        func = fullbool;\n        fullbool = false;\n      }\n      // Check if a callback was passed with the function.\n      if (func) {\n        setTimeout(function() {\n          func.call(tmpthis, jProto[passfunc].call(tmpthis, fullbool));\n        });\n        return this;\n      }\n      // Check if matrix and run calculations.\n      if (this.length > 1) {\n        tmpthis = fullbool === true ? this : this.transpose();\n        for (; i < tmpthis.length; i++)\n          arr[i] = jStat[passfunc](tmpthis[i]);\n        return arr;\n      }\n      // Pass fullbool if only vector, not a matrix. for variance and stdev.\n      return jStat[passfunc](this[0], fullbool);\n    };\n  })(funcs[i]);\n})(('cumsum cumprod').split(' '));\n\n\n// Extend jProto with methods which don't require arguments and work on columns.\n(function(funcs) {\n  for (var i = 0; i < funcs.length; i++) (function(passfunc) {\n    // If a matrix is passed, automatically assume operation should be done on\n    // the columns.\n    jProto[passfunc] = function(fullbool, func) {\n      var arr = [];\n      var i = 0;\n      var tmpthis = this;\n      // Assignment reassignation depending on how parameters were passed in.\n      if (isFunction(fullbool)) {\n        func = fullbool;\n        fullbool = false;\n      }\n      // Check if a callback was passed with the function.\n      if (func) {\n        setTimeout(function() {\n          func.call(tmpthis, jProto[passfunc].call(tmpthis, fullbool));\n        });\n        return this;\n      }\n      // Check if matrix and run calculations.\n      if (this.length > 1) {\n        if (passfunc !== 'sumrow')\n          tmpthis = fullbool === true ? this : this.transpose();\n        for (; i < tmpthis.length; i++)\n          arr[i] = jStat[passfunc](tmpthis[i]);\n        return fullbool === true\n            ? jStat[passfunc](jStat.utils.toVector(arr))\n            : arr;\n      }\n      // Pass fullbool if only vector, not a matrix. for variance and stdev.\n      return jStat[passfunc](this[0], fullbool);\n    };\n  })(funcs[i]);\n})(('sum sumsqrd sumsqerr sumrow product min max unique mean meansqerr ' +\n    'geomean median diff rank mode range variance deviation stdev meandev ' +\n    'meddev coeffvar quartiles histogram skewness kurtosis').split(' '));\n\n\n// Extend jProto with functions that take arguments. Operations on matrices are\n// done on columns.\n(function(funcs) {\n  for (var i = 0; i < funcs.length; i++) (function(passfunc) {\n    jProto[passfunc] = function() {\n      var arr = [];\n      var i = 0;\n      var tmpthis = this;\n      var args = Array.prototype.slice.call(arguments);\n      var callbackFunction;\n\n      // If the last argument is a function, we assume it's a callback; we\n      // strip the callback out and call the function again.\n      if (isFunction(args[args.length - 1])) {\n        callbackFunction = args[args.length - 1];\n        var argsToPass = args.slice(0, args.length - 1);\n\n        setTimeout(function() {\n          callbackFunction.call(tmpthis,\n                                jProto[passfunc].apply(tmpthis, argsToPass));\n        });\n        return this;\n\n      // Otherwise we curry the function args and call normally.\n      } else {\n        callbackFunction = undefined;\n        var curriedFunction = function curriedFunction(vector) {\n          return jStat[passfunc].apply(tmpthis, [vector].concat(args));\n        }\n      }\n\n      // If this is a matrix, run column-by-column.\n      if (this.length > 1) {\n        tmpthis = tmpthis.transpose();\n        for (; i < tmpthis.length; i++)\n          arr[i] = curriedFunction(tmpthis[i]);\n        return arr;\n      }\n\n      // Otherwise run on the vector.\n      return curriedFunction(this[0]);\n    };\n  })(funcs[i]);\n})('quantiles percentileOfScore'.split(' '));\n\n}(jStat, Math));\n// Special functions //\n(function(jStat, Math) {\n\n// Log-gamma function\njStat.gammaln = function gammaln(x) {\n  var j = 0;\n  var cof = [\n    76.18009172947146, -86.50532032941677, 24.01409824083091,\n    -1.231739572450155, 0.1208650973866179e-2, -0.5395239384953e-5\n  ];\n  var ser = 1.000000000190015;\n  var xx, y, tmp;\n  tmp = (y = xx = x) + 5.5;\n  tmp -= (xx + 0.5) * Math.log(tmp);\n  for (; j < 6; j++)\n    ser += cof[j] / ++y;\n  return Math.log(2.5066282746310005 * ser / xx) - tmp;\n};\n\n\n// gamma of x\njStat.gammafn = function gammafn(x) {\n  var p = [-1.716185138865495, 24.76565080557592, -379.80425647094563,\n           629.3311553128184, 866.9662027904133, -31451.272968848367,\n           -36144.413418691176, 66456.14382024054\n  ];\n  var q = [-30.8402300119739, 315.35062697960416, -1015.1563674902192,\n           -3107.771671572311, 22538.118420980151, 4755.8462775278811,\n           -134659.9598649693, -115132.2596755535];\n  var fact = false;\n  var n = 0;\n  var xden = 0;\n  var xnum = 0;\n  var y = x;\n  var i, z, yi, res;\n  if (y <= 0) {\n    res = y % 1 + 3.6e-16;\n    if (res) {\n      fact = (!(y & 1) ? 1 : -1) * Math.PI / Math.sin(Math.PI * res);\n      y = 1 - y;\n    } else {\n      return Infinity;\n    }\n  }\n  yi = y;\n  if (y < 1) {\n    z = y++;\n  } else {\n    z = (y -= n = (y | 0) - 1) - 1;\n  }\n  for (i = 0; i < 8; ++i) {\n    xnum = (xnum + p[i]) * z;\n    xden = xden * z + q[i];\n  }\n  res = xnum / xden + 1;\n  if (yi < y) {\n    res /= yi;\n  } else if (yi > y) {\n    for (i = 0; i < n; ++i) {\n      res *= y;\n      y++;\n    }\n  }\n  if (fact) {\n    res = fact / res;\n  }\n  return res;\n};\n\n\n// lower incomplete gamma function, which is usually typeset with a\n// lower-case greek gamma as the function symbol\njStat.gammap = function gammap(a, x) {\n  return jStat.lowRegGamma(a, x) * jStat.gammafn(a);\n};\n\n\n// The lower regularized incomplete gamma function, usually written P(a,x)\njStat.lowRegGamma = function lowRegGamma(a, x) {\n  var aln = jStat.gammaln(a);\n  var ap = a;\n  var sum = 1 / a;\n  var del = sum;\n  var b = x + 1 - a;\n  var c = 1 / 1.0e-30;\n  var d = 1 / b;\n  var h = d;\n  var i = 1;\n  // calculate maximum number of itterations required for a\n  var ITMAX = -~(Math.log((a >= 1) ? a : 1 / a) * 8.5 + a * 0.4 + 17);\n  var an;\n\n  if (x < 0 || a <= 0) {\n    return NaN;\n  } else if (x < a + 1) {\n    for (; i <= ITMAX; i++) {\n      sum += del *= x / ++ap;\n    }\n    return (sum * Math.exp(-x + a * Math.log(x) - (aln)));\n  }\n\n  for (; i <= ITMAX; i++) {\n    an = -i * (i - a);\n    b += 2;\n    d = an * d + b;\n    c = b + an / c;\n    d = 1 / d;\n    h *= d * c;\n  }\n\n  return (1 - h * Math.exp(-x + a * Math.log(x) - (aln)));\n};\n\n// natural log factorial of n\njStat.factorialln = function factorialln(n) {\n  return n < 0 ? NaN : jStat.gammaln(n + 1);\n};\n\n// factorial of n\njStat.factorial = function factorial(n) {\n  return n < 0 ? NaN : jStat.gammafn(n + 1);\n};\n\n// combinations of n, m\njStat.combination = function combination(n, m) {\n  // make sure n or m don't exceed the upper limit of usable values\n  return (n > 170 || m > 170)\n      ? Math.exp(jStat.combinationln(n, m))\n      : (jStat.factorial(n) / jStat.factorial(m)) / jStat.factorial(n - m);\n};\n\n\njStat.combinationln = function combinationln(n, m){\n  return jStat.factorialln(n) - jStat.factorialln(m) - jStat.factorialln(n - m);\n};\n\n\n// permutations of n, m\njStat.permutation = function permutation(n, m) {\n  return jStat.factorial(n) / jStat.factorial(n - m);\n};\n\n\n// beta function\njStat.betafn = function betafn(x, y) {\n  // ensure arguments are positive\n  if (x <= 0 || y <= 0)\n    return undefined;\n  // make sure x + y doesn't exceed the upper limit of usable values\n  return (x + y > 170)\n      ? Math.exp(jStat.betaln(x, y))\n      : jStat.gammafn(x) * jStat.gammafn(y) / jStat.gammafn(x + y);\n};\n\n\n// natural logarithm of beta function\njStat.betaln = function betaln(x, y) {\n  return jStat.gammaln(x) + jStat.gammaln(y) - jStat.gammaln(x + y);\n};\n\n\n// Evaluates the continued fraction for incomplete beta function by modified\n// Lentz's method.\njStat.betacf = function betacf(x, a, b) {\n  var fpmin = 1e-30;\n  var m = 1;\n  var qab = a + b;\n  var qap = a + 1;\n  var qam = a - 1;\n  var c = 1;\n  var d = 1 - qab * x / qap;\n  var m2, aa, del, h;\n\n  // These q's will be used in factors that occur in the coefficients\n  if (Math.abs(d) < fpmin)\n    d = fpmin;\n  d = 1 / d;\n  h = d;\n\n  for (; m <= 100; m++) {\n    m2 = 2 * m;\n    aa = m * (b - m) * x / ((qam + m2) * (a + m2));\n    // One step (the even one) of the recurrence\n    d = 1 + aa * d;\n    if (Math.abs(d) < fpmin)\n      d = fpmin;\n    c = 1 + aa / c;\n    if (Math.abs(c) < fpmin)\n      c = fpmin;\n    d = 1 / d;\n    h *= d * c;\n    aa = -(a + m) * (qab + m) * x / ((a + m2) * (qap + m2));\n    // Next step of the recurrence (the odd one)\n    d = 1 + aa * d;\n    if (Math.abs(d) < fpmin)\n      d = fpmin;\n    c = 1 + aa / c;\n    if (Math.abs(c) < fpmin)\n      c = fpmin;\n    d = 1 / d;\n    del = d * c;\n    h *= del;\n    if (Math.abs(del - 1.0) < 3e-7)\n      break;\n  }\n\n  return h;\n};\n\n\n// Returns the inverse of the lower regularized inomplete gamma function\njStat.gammapinv = function gammapinv(p, a) {\n  var j = 0;\n  var a1 = a - 1;\n  var EPS = 1e-8;\n  var gln = jStat.gammaln(a);\n  var x, err, t, u, pp, lna1, afac;\n\n  if (p >= 1)\n    return Math.max(100, a + 100 * Math.sqrt(a));\n  if (p <= 0)\n    return 0;\n  if (a > 1) {\n    lna1 = Math.log(a1);\n    afac = Math.exp(a1 * (lna1 - 1) - gln);\n    pp = (p < 0.5) ? p : 1 - p;\n    t = Math.sqrt(-2 * Math.log(pp));\n    x = (2.30753 + t * 0.27061) / (1 + t * (0.99229 + t * 0.04481)) - t;\n    if (p < 0.5)\n      x = -x;\n    x = Math.max(1e-3,\n                 a * Math.pow(1 - 1 / (9 * a) - x / (3 * Math.sqrt(a)), 3));\n  } else {\n    t = 1 - a * (0.253 + a * 0.12);\n    if (p < t)\n      x = Math.pow(p / t, 1 / a);\n    else\n      x = 1 - Math.log(1 - (p - t) / (1 - t));\n  }\n\n  for(; j < 12; j++) {\n    if (x <= 0)\n      return 0;\n    err = jStat.lowRegGamma(a, x) - p;\n    if (a > 1)\n      t = afac * Math.exp(-(x - a1) + a1 * (Math.log(x) - lna1));\n    else\n      t = Math.exp(-x + a1 * Math.log(x) - gln);\n    u = err / t;\n    x -= (t = u / (1 - 0.5 * Math.min(1, u * ((a - 1) / x - 1))));\n    if (x <= 0)\n      x = 0.5 * (x + t);\n    if (Math.abs(t) < EPS * x)\n      break;\n  }\n\n  return x;\n};\n\n\n// Returns the error function erf(x)\njStat.erf = function erf(x) {\n  var cof = [-1.3026537197817094, 6.4196979235649026e-1, 1.9476473204185836e-2,\n             -9.561514786808631e-3, -9.46595344482036e-4, 3.66839497852761e-4,\n             4.2523324806907e-5, -2.0278578112534e-5, -1.624290004647e-6,\n             1.303655835580e-6, 1.5626441722e-8, -8.5238095915e-8,\n             6.529054439e-9, 5.059343495e-9, -9.91364156e-10,\n             -2.27365122e-10, 9.6467911e-11, 2.394038e-12,\n             -6.886027e-12, 8.94487e-13, 3.13092e-13,\n             -1.12708e-13, 3.81e-16, 7.106e-15,\n             -1.523e-15, -9.4e-17, 1.21e-16,\n             -2.8e-17];\n  var j = cof.length - 1;\n  var isneg = false;\n  var d = 0;\n  var dd = 0;\n  var t, ty, tmp, res;\n\n  if (x < 0) {\n    x = -x;\n    isneg = true;\n  }\n\n  t = 2 / (2 + x);\n  ty = 4 * t - 2;\n\n  for(; j > 0; j--) {\n    tmp = d;\n    d = ty * d - dd + cof[j];\n    dd = tmp;\n  }\n\n  res = t * Math.exp(-x * x + 0.5 * (cof[0] + ty * d) - dd);\n  return isneg ? res - 1 : 1 - res;\n};\n\n\n// Returns the complmentary error function erfc(x)\njStat.erfc = function erfc(x) {\n  return 1 - jStat.erf(x);\n};\n\n\n// Returns the inverse of the complementary error function\njStat.erfcinv = function erfcinv(p) {\n  var j = 0;\n  var x, err, t, pp;\n  if (p >= 2)\n    return -100;\n  if (p <= 0)\n    return 100;\n  pp = (p < 1) ? p : 2 - p;\n  t = Math.sqrt(-2 * Math.log(pp / 2));\n  x = -0.70711 * ((2.30753 + t * 0.27061) /\n                  (1 + t * (0.99229 + t * 0.04481)) - t);\n  for (; j < 2; j++) {\n    err = jStat.erfc(x) - pp;\n    x += err / (1.12837916709551257 * Math.exp(-x * x) - x * err);\n  }\n  return (p < 1) ? x : -x;\n};\n\n\n// Returns the inverse of the incomplete beta function\njStat.ibetainv = function ibetainv(p, a, b) {\n  var EPS = 1e-8;\n  var a1 = a - 1;\n  var b1 = b - 1;\n  var j = 0;\n  var lna, lnb, pp, t, u, err, x, al, h, w, afac;\n  if (p <= 0)\n    return 0;\n  if (p >= 1)\n    return 1;\n  if (a >= 1 && b >= 1) {\n    pp = (p < 0.5) ? p : 1 - p;\n    t = Math.sqrt(-2 * Math.log(pp));\n    x = (2.30753 + t * 0.27061) / (1 + t* (0.99229 + t * 0.04481)) - t;\n    if (p < 0.5)\n      x = -x;\n    al = (x * x - 3) / 6;\n    h = 2 / (1 / (2 * a - 1)  + 1 / (2 * b - 1));\n    w = (x * Math.sqrt(al + h) / h) - (1 / (2 * b - 1) - 1 / (2 * a - 1)) *\n        (al + 5 / 6 - 2 / (3 * h));\n    x = a / (a + b * Math.exp(2 * w));\n  } else {\n    lna = Math.log(a / (a + b));\n    lnb = Math.log(b / (a + b));\n    t = Math.exp(a * lna) / a;\n    u = Math.exp(b * lnb) / b;\n    w = t + u;\n    if (p < t / w)\n      x = Math.pow(a * w * p, 1 / a);\n    else\n      x = 1 - Math.pow(b * w * (1 - p), 1 / b);\n  }\n  afac = -jStat.gammaln(a) - jStat.gammaln(b) + jStat.gammaln(a + b);\n  for(; j < 10; j++) {\n    if (x === 0 || x === 1)\n      return x;\n    err = jStat.ibeta(x, a, b) - p;\n    t = Math.exp(a1 * Math.log(x) + b1 * Math.log(1 - x) + afac);\n    u = err / t;\n    x -= (t = u / (1 - 0.5 * Math.min(1, u * (a1 / x - b1 / (1 - x)))));\n    if (x <= 0)\n      x = 0.5 * (x + t);\n    if (x >= 1)\n      x = 0.5 * (x + t + 1);\n    if (Math.abs(t) < EPS * x && j > 0)\n      break;\n  }\n  return x;\n};\n\n\n// Returns the incomplete beta function I_x(a,b)\njStat.ibeta = function ibeta(x, a, b) {\n  // Factors in front of the continued fraction.\n  var bt = (x === 0 || x === 1) ?  0 :\n    Math.exp(jStat.gammaln(a + b) - jStat.gammaln(a) -\n             jStat.gammaln(b) + a * Math.log(x) + b *\n             Math.log(1 - x));\n  if (x < 0 || x > 1)\n    return false;\n  if (x < (a + 1) / (a + b + 2))\n    // Use continued fraction directly.\n    return bt * jStat.betacf(x, a, b) / a;\n  // else use continued fraction after making the symmetry transformation.\n  return 1 - bt * jStat.betacf(1 - x, b, a) / b;\n};\n\n\n// Returns a normal deviate (mu=0, sigma=1).\n// If n and m are specified it returns a object of normal deviates.\njStat.randn = function randn(n, m) {\n  var u, v, x, y, q;\n  if (!m)\n    m = n;\n  if (n)\n    return jStat.create(n, m, function() { return jStat.randn(); });\n  do {\n    u = jStat._random_fn();\n    v = 1.7156 * (jStat._random_fn() - 0.5);\n    x = u - 0.449871;\n    y = Math.abs(v) + 0.386595;\n    q = x * x + y * (0.19600 * y - 0.25472 * x);\n  } while (q > 0.27597 && (q > 0.27846 || v * v > -4 * Math.log(u) * u * u));\n  return v / u;\n};\n\n\n// Returns a gamma deviate by the method of Marsaglia and Tsang.\njStat.randg = function randg(shape, n, m) {\n  var oalph = shape;\n  var a1, a2, u, v, x, mat;\n  if (!m)\n    m = n;\n  if (!shape)\n    shape = 1;\n  if (n) {\n    mat = jStat.zeros(n,m);\n    mat.alter(function() { return jStat.randg(shape); });\n    return mat;\n  }\n  if (shape < 1)\n    shape += 1;\n  a1 = shape - 1 / 3;\n  a2 = 1 / Math.sqrt(9 * a1);\n  do {\n    do {\n      x = jStat.randn();\n      v = 1 + a2 * x;\n    } while(v <= 0);\n    v = v * v * v;\n    u = jStat._random_fn();\n  } while(u > 1 - 0.331 * Math.pow(x, 4) &&\n          Math.log(u) > 0.5 * x*x + a1 * (1 - v + Math.log(v)));\n  // alpha > 1\n  if (shape == oalph)\n    return a1 * v;\n  // alpha < 1\n  do {\n    u = jStat._random_fn();\n  } while(u === 0);\n  return Math.pow(u, 1 / oalph) * a1 * v;\n};\n\n\n// making use of static methods on the instance\n(function(funcs) {\n  for (var i = 0; i < funcs.length; i++) (function(passfunc) {\n    jStat.fn[passfunc] = function() {\n      return jStat(\n          jStat.map(this, function(value) { return jStat[passfunc](value); }));\n    }\n  })(funcs[i]);\n})('gammaln gammafn factorial factorialln'.split(' '));\n\n\n(function(funcs) {\n  for (var i = 0; i < funcs.length; i++) (function(passfunc) {\n    jStat.fn[passfunc] = function() {\n      return jStat(jStat[passfunc].apply(null, arguments));\n    };\n  })(funcs[i]);\n})('randn'.split(' '));\n\n}(jStat, Math));\n(function(jStat, Math) {\n\n// generate all distribution instance methods\n(function(list) {\n  for (var i = 0; i < list.length; i++) (function(func) {\n    // distribution instance method\n    jStat[func] = function(a, b, c) {\n      if (!(this instanceof arguments.callee))\n        return new arguments.callee(a, b, c);\n      this._a = a;\n      this._b = b;\n      this._c = c;\n      return this;\n    };\n    // distribution method to be used on a jStat instance\n    jStat.fn[func] = function(a, b, c) {\n      var newthis = jStat[func](a, b, c);\n      newthis.data = this;\n      return newthis;\n    };\n    // sample instance method\n    jStat[func].prototype.sample = function(arr) {\n      var a = this._a;\n      var b = this._b;\n      var c = this._c;\n      if (arr)\n        return jStat.alter(arr, function() {\n          return jStat[func].sample(a, b, c);\n        });\n      else\n        return jStat[func].sample(a, b, c);\n    };\n    // generate the pdf, cdf and inv instance methods\n    (function(vals) {\n      for (var i = 0; i < vals.length; i++) (function(fnfunc) {\n        jStat[func].prototype[fnfunc] = function(x) {\n          var a = this._a;\n          var b = this._b;\n          var c = this._c;\n          if (!x && x !== 0)\n            x = this.data;\n          if (typeof x !== 'number') {\n            return jStat.fn.map.call(x, function(x) {\n              return jStat[func][fnfunc](x, a, b, c);\n            });\n          }\n          return jStat[func][fnfunc](x, a, b, c);\n        };\n      })(vals[i]);\n    })('pdf cdf inv'.split(' '));\n    // generate the mean, median, mode and variance instance methods\n    (function(vals) {\n      for (var i = 0; i < vals.length; i++) (function(fnfunc) {\n        jStat[func].prototype[fnfunc] = function() {\n          return jStat[func][fnfunc](this._a, this._b, this._c);\n        };\n      })(vals[i]);\n    })('mean median mode variance'.split(' '));\n  })(list[i]);\n})((\n  'beta centralF cauchy chisquare exponential gamma invgamma kumaraswamy ' +\n  'laplace lognormal noncentralt normal pareto studentt weibull uniform ' +\n  'binomial negbin hypgeom poisson triangular tukey arcsine'\n).split(' '));\n\n\n\n// extend beta function with static methods\njStat.extend(jStat.beta, {\n  pdf: function pdf(x, alpha, beta) {\n    // PDF is zero outside the support\n    if (x > 1 || x < 0)\n      return 0;\n    // PDF is one for the uniform case\n    if (alpha == 1 && beta == 1)\n      return 1;\n\n    if (alpha < 512 && beta < 512) {\n      return (Math.pow(x, alpha - 1) * Math.pow(1 - x, beta - 1)) /\n          jStat.betafn(alpha, beta);\n    } else {\n      return Math.exp((alpha - 1) * Math.log(x) +\n                      (beta - 1) * Math.log(1 - x) -\n                      jStat.betaln(alpha, beta));\n    }\n  },\n\n  cdf: function cdf(x, alpha, beta) {\n    return (x > 1 || x < 0) ? (x > 1) * 1 : jStat.ibeta(x, alpha, beta);\n  },\n\n  inv: function inv(x, alpha, beta) {\n    return jStat.ibetainv(x, alpha, beta);\n  },\n\n  mean: function mean(alpha, beta) {\n    return alpha / (alpha + beta);\n  },\n\n  median: function median(alpha, beta) {\n    return jStat.ibetainv(0.5, alpha, beta);\n  },\n\n  mode: function mode(alpha, beta) {\n    return (alpha - 1 ) / ( alpha + beta - 2);\n  },\n\n  // return a random sample\n  sample: function sample(alpha, beta) {\n    var u = jStat.randg(alpha);\n    return u / (u + jStat.randg(beta));\n  },\n\n  variance: function variance(alpha, beta) {\n    return (alpha * beta) / (Math.pow(alpha + beta, 2) * (alpha + beta + 1));\n  }\n});\n\n// extend F function with static methods\njStat.extend(jStat.centralF, {\n  // This implementation of the pdf function avoids float overflow\n  // See the way that R calculates this value:\n  // https://svn.r-project.org/R/trunk/src/nmath/df.c\n  pdf: function pdf(x, df1, df2) {\n    var p, q, f;\n\n    if (x < 0)\n      return 0;\n\n    if (df1 <= 2) {\n      if (x === 0 && df1 < 2) {\n        return Infinity;\n      }\n      if (x === 0 && df1 === 2) {\n        return 1;\n      }\n      return (1 / jStat.betafn(df1 / 2, df2 / 2)) *\n              Math.pow(df1 / df2, df1 / 2) *\n              Math.pow(x, (df1/2) - 1) *\n              Math.pow((1 + (df1 / df2) * x), -(df1 + df2) / 2);\n    }\n\n    p = (df1 * x) / (df2 + x * df1);\n    q = df2 / (df2 + x * df1);\n    f = df1 * q / 2.0;\n    return f * jStat.binomial.pdf((df1 - 2) / 2, (df1 + df2 - 2) / 2, p);\n  },\n\n  cdf: function cdf(x, df1, df2) {\n    if (x < 0)\n      return 0;\n    return jStat.ibeta((df1 * x) / (df1 * x + df2), df1 / 2, df2 / 2);\n  },\n\n  inv: function inv(x, df1, df2) {\n    return df2 / (df1 * (1 / jStat.ibetainv(x, df1 / 2, df2 / 2) - 1));\n  },\n\n  mean: function mean(df1, df2) {\n    return (df2 > 2) ? df2 / (df2 - 2) : undefined;\n  },\n\n  mode: function mode(df1, df2) {\n    return (df1 > 2) ? (df2 * (df1 - 2)) / (df1 * (df2 + 2)) : undefined;\n  },\n\n  // return a random sample\n  sample: function sample(df1, df2) {\n    var x1 = jStat.randg(df1 / 2) * 2;\n    var x2 = jStat.randg(df2 / 2) * 2;\n    return (x1 / df1) / (x2 / df2);\n  },\n\n  variance: function variance(df1, df2) {\n    if (df2 <= 4)\n      return undefined;\n    return 2 * df2 * df2 * (df1 + df2 - 2) /\n        (df1 * (df2 - 2) * (df2 - 2) * (df2 - 4));\n  }\n});\n\n\n// extend cauchy function with static methods\njStat.extend(jStat.cauchy, {\n  pdf: function pdf(x, local, scale) {\n    if (scale < 0) { return 0; }\n\n    return (scale / (Math.pow(x - local, 2) + Math.pow(scale, 2))) / Math.PI;\n  },\n\n  cdf: function cdf(x, local, scale) {\n    return Math.atan((x - local) / scale) / Math.PI + 0.5;\n  },\n\n  inv: function(p, local, scale) {\n    return local + scale * Math.tan(Math.PI * (p - 0.5));\n  },\n\n  median: function median(local/*, scale*/) {\n    return local;\n  },\n\n  mode: function mode(local/*, scale*/) {\n    return local;\n  },\n\n  sample: function sample(local, scale) {\n    return jStat.randn() *\n        Math.sqrt(1 / (2 * jStat.randg(0.5))) * scale + local;\n  }\n});\n\n\n\n// extend chisquare function with static methods\njStat.extend(jStat.chisquare, {\n  pdf: function pdf(x, dof) {\n    if (x < 0)\n      return 0;\n    return (x === 0 && dof === 2) ? 0.5 :\n        Math.exp((dof / 2 - 1) * Math.log(x) - x / 2 - (dof / 2) *\n                 Math.log(2) - jStat.gammaln(dof / 2));\n  },\n\n  cdf: function cdf(x, dof) {\n    if (x < 0)\n      return 0;\n    return jStat.lowRegGamma(dof / 2, x / 2);\n  },\n\n  inv: function(p, dof) {\n    return 2 * jStat.gammapinv(p, 0.5 * dof);\n  },\n\n  mean : function(dof) {\n    return dof;\n  },\n\n  // TODO: this is an approximation (is there a better way?)\n  median: function median(dof) {\n    return dof * Math.pow(1 - (2 / (9 * dof)), 3);\n  },\n\n  mode: function mode(dof) {\n    return (dof - 2 > 0) ? dof - 2 : 0;\n  },\n\n  sample: function sample(dof) {\n    return jStat.randg(dof / 2) * 2;\n  },\n\n  variance: function variance(dof) {\n    return 2 * dof;\n  }\n});\n\n\n\n// extend exponential function with static methods\njStat.extend(jStat.exponential, {\n  pdf: function pdf(x, rate) {\n    return x < 0 ? 0 : rate * Math.exp(-rate * x);\n  },\n\n  cdf: function cdf(x, rate) {\n    return x < 0 ? 0 : 1 - Math.exp(-rate * x);\n  },\n\n  inv: function(p, rate) {\n    return -Math.log(1 - p) / rate;\n  },\n\n  mean : function(rate) {\n    return 1 / rate;\n  },\n\n  median: function (rate) {\n    return (1 / rate) * Math.log(2);\n  },\n\n  mode: function mode(/*rate*/) {\n    return 0;\n  },\n\n  sample: function sample(rate) {\n    return -1 / rate * Math.log(jStat._random_fn());\n  },\n\n  variance : function(rate) {\n    return Math.pow(rate, -2);\n  }\n});\n\n\n\n// extend gamma function with static methods\njStat.extend(jStat.gamma, {\n  pdf: function pdf(x, shape, scale) {\n    if (x < 0)\n      return 0;\n    return (x === 0 && shape === 1) ? 1 / scale :\n            Math.exp((shape - 1) * Math.log(x) - x / scale -\n                    jStat.gammaln(shape) - shape * Math.log(scale));\n  },\n\n  cdf: function cdf(x, shape, scale) {\n    if (x < 0)\n      return 0;\n    return jStat.lowRegGamma(shape, x / scale);\n  },\n\n  inv: function(p, shape, scale) {\n    return jStat.gammapinv(p, shape) * scale;\n  },\n\n  mean : function(shape, scale) {\n    return shape * scale;\n  },\n\n  mode: function mode(shape, scale) {\n    if(shape > 1) return (shape - 1) * scale;\n    return undefined;\n  },\n\n  sample: function sample(shape, scale) {\n    return jStat.randg(shape) * scale;\n  },\n\n  variance: function variance(shape, scale) {\n    return shape * scale * scale;\n  }\n});\n\n// extend inverse gamma function with static methods\njStat.extend(jStat.invgamma, {\n  pdf: function pdf(x, shape, scale) {\n    if (x <= 0)\n      return 0;\n    return Math.exp(-(shape + 1) * Math.log(x) - scale / x -\n                    jStat.gammaln(shape) + shape * Math.log(scale));\n  },\n\n  cdf: function cdf(x, shape, scale) {\n    if (x <= 0)\n      return 0;\n    return 1 - jStat.lowRegGamma(shape, scale / x);\n  },\n\n  inv: function(p, shape, scale) {\n    return scale / jStat.gammapinv(1 - p, shape);\n  },\n\n  mean : function(shape, scale) {\n    return (shape > 1) ? scale / (shape - 1) : undefined;\n  },\n\n  mode: function mode(shape, scale) {\n    return scale / (shape + 1);\n  },\n\n  sample: function sample(shape, scale) {\n    return scale / jStat.randg(shape);\n  },\n\n  variance: function variance(shape, scale) {\n    if (shape <= 2)\n      return undefined;\n    return scale * scale / ((shape - 1) * (shape - 1) * (shape - 2));\n  }\n});\n\n\n// extend kumaraswamy function with static methods\njStat.extend(jStat.kumaraswamy, {\n  pdf: function pdf(x, alpha, beta) {\n    if (x === 0 && alpha === 1)\n      return beta;\n    else if (x === 1 && beta === 1)\n      return alpha;\n    return Math.exp(Math.log(alpha) + Math.log(beta) + (alpha - 1) *\n                    Math.log(x) + (beta - 1) *\n                    Math.log(1 - Math.pow(x, alpha)));\n  },\n\n  cdf: function cdf(x, alpha, beta) {\n    if (x < 0)\n      return 0;\n    else if (x > 1)\n      return 1;\n    return (1 - Math.pow(1 - Math.pow(x, alpha), beta));\n  },\n\n  inv: function inv(p, alpha, beta) {\n    return Math.pow(1 - Math.pow(1 - p, 1 / beta), 1 / alpha);\n  },\n\n  mean : function(alpha, beta) {\n    return (beta * jStat.gammafn(1 + 1 / alpha) *\n            jStat.gammafn(beta)) / (jStat.gammafn(1 + 1 / alpha + beta));\n  },\n\n  median: function median(alpha, beta) {\n    return Math.pow(1 - Math.pow(2, -1 / beta), 1 / alpha);\n  },\n\n  mode: function mode(alpha, beta) {\n    if (!(alpha >= 1 && beta >= 1 && (alpha !== 1 && beta !== 1)))\n      return undefined;\n    return Math.pow((alpha - 1) / (alpha * beta - 1), 1 / alpha);\n  },\n\n  variance: function variance(/*alpha, beta*/) {\n    throw new Error('variance not yet implemented');\n    // TODO: complete this\n  }\n});\n\n\n\n// extend lognormal function with static methods\njStat.extend(jStat.lognormal, {\n  pdf: function pdf(x, mu, sigma) {\n    if (x <= 0)\n      return 0;\n    return Math.exp(-Math.log(x) - 0.5 * Math.log(2 * Math.PI) -\n                    Math.log(sigma) - Math.pow(Math.log(x) - mu, 2) /\n                    (2 * sigma * sigma));\n  },\n\n  cdf: function cdf(x, mu, sigma) {\n    if (x < 0)\n      return 0;\n    return 0.5 +\n        (0.5 * jStat.erf((Math.log(x) - mu) / Math.sqrt(2 * sigma * sigma)));\n  },\n\n  inv: function(p, mu, sigma) {\n    return Math.exp(-1.41421356237309505 * sigma * jStat.erfcinv(2 * p) + mu);\n  },\n\n  mean: function mean(mu, sigma) {\n    return Math.exp(mu + sigma * sigma / 2);\n  },\n\n  median: function median(mu/*, sigma*/) {\n    return Math.exp(mu);\n  },\n\n  mode: function mode(mu, sigma) {\n    return Math.exp(mu - sigma * sigma);\n  },\n\n  sample: function sample(mu, sigma) {\n    return Math.exp(jStat.randn() * sigma + mu);\n  },\n\n  variance: function variance(mu, sigma) {\n    return (Math.exp(sigma * sigma) - 1) * Math.exp(2 * mu + sigma * sigma);\n  }\n});\n\n\n\n// extend noncentralt function with static methods\njStat.extend(jStat.noncentralt, {\n  pdf: function pdf(x, dof, ncp) {\n    var tol = 1e-14;\n    if (Math.abs(ncp) < tol)  // ncp approx 0; use student-t\n      return jStat.studentt.pdf(x, dof)\n\n    if (Math.abs(x) < tol) {  // different formula for x == 0\n      return Math.exp(jStat.gammaln((dof + 1) / 2) - ncp * ncp / 2 -\n                      0.5 * Math.log(Math.PI * dof) - jStat.gammaln(dof / 2));\n    }\n\n    // formula for x != 0\n    return dof / x *\n        (jStat.noncentralt.cdf(x * Math.sqrt(1 + 2 / dof), dof+2, ncp) -\n         jStat.noncentralt.cdf(x, dof, ncp));\n  },\n\n  cdf: function cdf(x, dof, ncp) {\n    var tol = 1e-14;\n    var min_iterations = 200;\n\n    if (Math.abs(ncp) < tol)  // ncp approx 0; use student-t\n      return jStat.studentt.cdf(x, dof);\n\n    // turn negative x into positive and flip result afterwards\n    var flip = false;\n    if (x < 0) {\n      flip = true;\n      ncp = -ncp;\n    }\n\n    var prob = jStat.normal.cdf(-ncp, 0, 1);\n    var value = tol + 1;\n    // use value at last two steps to determine convergence\n    var lastvalue = value;\n    var y = x * x / (x * x + dof);\n    var j = 0;\n    var p = Math.exp(-ncp * ncp / 2);\n    var q = Math.exp(-ncp * ncp / 2 - 0.5 * Math.log(2) -\n                     jStat.gammaln(3 / 2)) * ncp;\n    while (j < min_iterations || lastvalue > tol || value > tol) {\n      lastvalue = value;\n      if (j > 0) {\n        p *= (ncp * ncp) / (2 * j);\n        q *= (ncp * ncp) / (2 * (j + 1 / 2));\n      }\n      value = p * jStat.beta.cdf(y, j + 0.5, dof / 2) +\n          q * jStat.beta.cdf(y, j+1, dof/2);\n      prob += 0.5 * value;\n      j++;\n    }\n\n    return flip ? (1 - prob) : prob;\n  }\n});\n\n\n// extend normal function with static methods\njStat.extend(jStat.normal, {\n  pdf: function pdf(x, mean, std) {\n    return Math.exp(-0.5 * Math.log(2 * Math.PI) -\n                    Math.log(std) - Math.pow(x - mean, 2) / (2 * std * std));\n  },\n\n  cdf: function cdf(x, mean, std) {\n    return 0.5 * (1 + jStat.erf((x - mean) / Math.sqrt(2 * std * std)));\n  },\n\n  inv: function(p, mean, std) {\n    return -1.41421356237309505 * std * jStat.erfcinv(2 * p) + mean;\n  },\n\n  mean : function(mean/*, std*/) {\n    return mean;\n  },\n\n  median: function median(mean/*, std*/) {\n    return mean;\n  },\n\n  mode: function (mean/*, std*/) {\n    return mean;\n  },\n\n  sample: function sample(mean, std) {\n    return jStat.randn() * std + mean;\n  },\n\n  variance : function(mean, std) {\n    return std * std;\n  }\n});\n\n\n\n// extend pareto function with static methods\njStat.extend(jStat.pareto, {\n  pdf: function pdf(x, scale, shape) {\n    if (x < scale)\n      return 0;\n    return (shape * Math.pow(scale, shape)) / Math.pow(x, shape + 1);\n  },\n\n  cdf: function cdf(x, scale, shape) {\n    if (x < scale)\n      return 0;\n    return 1 - Math.pow(scale / x, shape);\n  },\n\n  inv: function inv(p, scale, shape) {\n    return scale / Math.pow(1 - p, 1 / shape);\n  },\n\n  mean: function mean(scale, shape) {\n    if (shape <= 1)\n      return undefined;\n    return (shape * Math.pow(scale, shape)) / (shape - 1);\n  },\n\n  median: function median(scale, shape) {\n    return scale * (shape * Math.SQRT2);\n  },\n\n  mode: function mode(scale/*, shape*/) {\n    return scale;\n  },\n\n  variance : function(scale, shape) {\n    if (shape <= 2)\n      return undefined;\n    return (scale*scale * shape) / (Math.pow(shape - 1, 2) * (shape - 2));\n  }\n});\n\n\n\n// extend studentt function with static methods\njStat.extend(jStat.studentt, {\n  pdf: function pdf(x, dof) {\n    dof = dof > 1e100 ? 1e100 : dof;\n    return (1/(Math.sqrt(dof) * jStat.betafn(0.5, dof/2))) *\n        Math.pow(1 + ((x * x) / dof), -((dof + 1) / 2));\n  },\n\n  cdf: function cdf(x, dof) {\n    var dof2 = dof / 2;\n    return jStat.ibeta((x + Math.sqrt(x * x + dof)) /\n                       (2 * Math.sqrt(x * x + dof)), dof2, dof2);\n  },\n\n  inv: function(p, dof) {\n    var x = jStat.ibetainv(2 * Math.min(p, 1 - p), 0.5 * dof, 0.5);\n    x = Math.sqrt(dof * (1 - x) / x);\n    return (p > 0.5) ? x : -x;\n  },\n\n  mean: function mean(dof) {\n    return (dof > 1) ? 0 : undefined;\n  },\n\n  median: function median(/*dof*/) {\n    return 0;\n  },\n\n  mode: function mode(/*dof*/) {\n    return 0;\n  },\n\n  sample: function sample(dof) {\n    return jStat.randn() * Math.sqrt(dof / (2 * jStat.randg(dof / 2)));\n  },\n\n  variance: function variance(dof) {\n    return (dof  > 2) ? dof / (dof - 2) : (dof > 1) ? Infinity : undefined;\n  }\n});\n\n\n\n// extend weibull function with static methods\njStat.extend(jStat.weibull, {\n  pdf: function pdf(x, scale, shape) {\n    if (x < 0 || scale < 0 || shape < 0)\n      return 0;\n    return (shape / scale) * Math.pow((x / scale), (shape - 1)) *\n        Math.exp(-(Math.pow((x / scale), shape)));\n  },\n\n  cdf: function cdf(x, scale, shape) {\n    return x < 0 ? 0 : 1 - Math.exp(-Math.pow((x / scale), shape));\n  },\n\n  inv: function(p, scale, shape) {\n    return scale * Math.pow(-Math.log(1 - p), 1 / shape);\n  },\n\n  mean : function(scale, shape) {\n    return scale * jStat.gammafn(1 + 1 / shape);\n  },\n\n  median: function median(scale, shape) {\n    return scale * Math.pow(Math.log(2), 1 / shape);\n  },\n\n  mode: function mode(scale, shape) {\n    if (shape <= 1)\n      return 0;\n    return scale * Math.pow((shape - 1) / shape, 1 / shape);\n  },\n\n  sample: function sample(scale, shape) {\n    return scale * Math.pow(-Math.log(jStat._random_fn()), 1 / shape);\n  },\n\n  variance: function variance(scale, shape) {\n    return scale * scale * jStat.gammafn(1 + 2 / shape) -\n        Math.pow(jStat.weibull.mean(scale, shape), 2);\n  }\n});\n\n\n\n// extend uniform function with static methods\njStat.extend(jStat.uniform, {\n  pdf: function pdf(x, a, b) {\n    return (x < a || x > b) ? 0 : 1 / (b - a);\n  },\n\n  cdf: function cdf(x, a, b) {\n    if (x < a)\n      return 0;\n    else if (x < b)\n      return (x - a) / (b - a);\n    return 1;\n  },\n\n  inv: function(p, a, b) {\n    return a + (p * (b - a));\n  },\n\n  mean: function mean(a, b) {\n    return 0.5 * (a + b);\n  },\n\n  median: function median(a, b) {\n    return jStat.mean(a, b);\n  },\n\n  mode: function mode(/*a, b*/) {\n    throw new Error('mode is not yet implemented');\n  },\n\n  sample: function sample(a, b) {\n    return (a / 2 + b / 2) + (b / 2 - a / 2) * (2 * jStat._random_fn() - 1);\n  },\n\n  variance: function variance(a, b) {\n    return Math.pow(b - a, 2) / 12;\n  }\n});\n\n\n// Got this from http://www.math.ucla.edu/~tom/distributions/binomial.html\nfunction betinc(x, a, b, eps) {\n  var a0 = 0;\n  var b0 = 1;\n  var a1 = 1;\n  var b1 = 1;\n  var m9 = 0;\n  var a2 = 0;\n  var c9;\n\n  while (Math.abs((a1 - a2) / a1) > eps) {\n    a2 = a1;\n    c9 = -(a + m9) * (a + b + m9) * x / (a + 2 * m9) / (a + 2 * m9 + 1);\n    a0 = a1 + c9 * a0;\n    b0 = b1 + c9 * b0;\n    m9 = m9 + 1;\n    c9 = m9 * (b - m9) * x / (a + 2 * m9 - 1) / (a + 2 * m9);\n    a1 = a0 + c9 * a1;\n    b1 = b0 + c9 * b1;\n    a0 = a0 / b1;\n    b0 = b0 / b1;\n    a1 = a1 / b1;\n    b1 = 1;\n  }\n\n  return a1 / a;\n}\n\n\n// extend uniform function with static methods\njStat.extend(jStat.binomial, {\n  pdf: function pdf(k, n, p) {\n    return (p === 0 || p === 1) ?\n      ((n * p) === k ? 1 : 0) :\n      jStat.combination(n, k) * Math.pow(p, k) * Math.pow(1 - p, n - k);\n  },\n\n  cdf: function cdf(x, n, p) {\n    var betacdf;\n    var eps = 1e-10;\n\n    if (x < 0)\n      return 0;\n    if (x >= n)\n      return 1;\n    if (p < 0 || p > 1 || n <= 0)\n      return NaN;\n\n    x = Math.floor(x);\n    var z = p;\n    var a = x + 1;\n    var b = n - x;\n    var s = a + b;\n    var bt = Math.exp(jStat.gammaln(s) - jStat.gammaln(b) -\n                      jStat.gammaln(a) + a * Math.log(z) + b * Math.log(1 - z));\n\n    if (z < (a + 1) / (s + 2))\n      betacdf = bt * betinc(z, a, b, eps);\n    else\n      betacdf = 1 - bt * betinc(1 - z, b, a, eps);\n\n    return Math.round((1 - betacdf) * (1 / eps)) / (1 / eps);\n  }\n});\n\n\n\n// extend uniform function with static methods\njStat.extend(jStat.negbin, {\n  pdf: function pdf(k, r, p) {\n    if (k !== k >>> 0)\n      return false;\n    if (k < 0)\n      return 0;\n    return jStat.combination(k + r - 1, r - 1) *\n        Math.pow(1 - p, k) * Math.pow(p, r);\n  },\n\n  cdf: function cdf(x, r, p) {\n    var sum = 0,\n    k = 0;\n    if (x < 0) return 0;\n    for (; k <= x; k++) {\n      sum += jStat.negbin.pdf(k, r, p);\n    }\n    return sum;\n  }\n});\n\n\n\n// extend uniform function with static methods\njStat.extend(jStat.hypgeom, {\n  pdf: function pdf(k, N, m, n) {\n    // Hypergeometric PDF.\n\n    // A simplification of the CDF algorithm below.\n\n    // k = number of successes drawn\n    // N = population size\n    // m = number of successes in population\n    // n = number of items drawn from population\n\n    if(k !== k | 0) {\n      return false;\n    } else if(k < 0 || k < m - (N - n)) {\n      // It's impossible to have this few successes drawn.\n      return 0;\n    } else if(k > n || k > m) {\n      // It's impossible to have this many successes drawn.\n      return 0;\n    } else if (m * 2 > N) {\n      // More than half the population is successes.\n\n      if(n * 2 > N) {\n        // More than half the population is sampled.\n\n        return jStat.hypgeom.pdf(N - m - n + k, N, N - m, N - n)\n      } else {\n        // Half or less of the population is sampled.\n\n        return jStat.hypgeom.pdf(n - k, N, N - m, n);\n      }\n\n    } else if(n * 2 > N) {\n      // Half or less is successes.\n\n      return jStat.hypgeom.pdf(m - k, N, m, N - n);\n\n    } else if(m < n) {\n      // We want to have the number of things sampled to be less than the\n      // successes available. So swap the definitions of successful and sampled.\n      return jStat.hypgeom.pdf(k, N, n, m);\n    } else {\n      // If we get here, half or less of the population was sampled, half or\n      // less of it was successes, and we had fewer sampled things than\n      // successes. Now we can do this complicated iterative algorithm in an\n      // efficient way.\n\n      // The basic premise of the algorithm is that we partially normalize our\n      // intermediate product to keep it in a numerically good region, and then\n      // finish the normalization at the end.\n\n      // This variable holds the scaled probability of the current number of\n      // successes.\n      var scaledPDF = 1;\n\n      // This keeps track of how much we have normalized.\n      var samplesDone = 0;\n\n      for(var i = 0; i < k; i++) {\n        // For every possible number of successes up to that observed...\n\n        while(scaledPDF > 1 && samplesDone < n) {\n          // Intermediate result is growing too big. Apply some of the\n          // normalization to shrink everything.\n\n          scaledPDF *= 1 - (m / (N - samplesDone));\n\n          // Say we've normalized by this sample already.\n          samplesDone++;\n        }\n\n        // Work out the partially-normalized hypergeometric PDF for the next\n        // number of successes\n        scaledPDF *= (n - i) * (m - i) / ((i + 1) * (N - m - n + i + 1));\n      }\n\n      for(; samplesDone < n; samplesDone++) {\n        // Apply all the rest of the normalization\n        scaledPDF *= 1 - (m / (N - samplesDone));\n      }\n\n      // Bound answer sanely before returning.\n      return Math.min(1, Math.max(0, scaledPDF));\n    }\n  },\n\n  cdf: function cdf(x, N, m, n) {\n    // Hypergeometric CDF.\n\n    // This algorithm is due to Prof. Thomas S. Ferguson, <tom@math.ucla.edu>,\n    // and comes from his hypergeometric test calculator at\n    // <http://www.math.ucla.edu/~tom/distributions/Hypergeometric.html>.\n\n    // x = number of successes drawn\n    // N = population size\n    // m = number of successes in population\n    // n = number of items drawn from population\n\n    if(x < 0 || x < m - (N - n)) {\n      // It's impossible to have this few successes drawn or fewer.\n      return 0;\n    } else if(x >= n || x >= m) {\n      // We will always have this many successes or fewer.\n      return 1;\n    } else if (m * 2 > N) {\n      // More than half the population is successes.\n\n      if(n * 2 > N) {\n        // More than half the population is sampled.\n\n        return jStat.hypgeom.cdf(N - m - n + x, N, N - m, N - n)\n      } else {\n        // Half or less of the population is sampled.\n\n        return 1 - jStat.hypgeom.cdf(n - x - 1, N, N - m, n);\n      }\n\n    } else if(n * 2 > N) {\n      // Half or less is successes.\n\n      return 1 - jStat.hypgeom.cdf(m - x - 1, N, m, N - n);\n\n    } else if(m < n) {\n      // We want to have the number of things sampled to be less than the\n      // successes available. So swap the definitions of successful and sampled.\n      return jStat.hypgeom.cdf(x, N, n, m);\n    } else {\n      // If we get here, half or less of the population was sampled, half or\n      // less of it was successes, and we had fewer sampled things than\n      // successes. Now we can do this complicated iterative algorithm in an\n      // efficient way.\n\n      // The basic premise of the algorithm is that we partially normalize our\n      // intermediate sum to keep it in a numerically good region, and then\n      // finish the normalization at the end.\n\n      // Holds the intermediate, scaled total CDF.\n      var scaledCDF = 1;\n\n      // This variable holds the scaled probability of the current number of\n      // successes.\n      var scaledPDF = 1;\n\n      // This keeps track of how much we have normalized.\n      var samplesDone = 0;\n\n      for(var i = 0; i < x; i++) {\n        // For every possible number of successes up to that observed...\n\n        while(scaledCDF > 1 && samplesDone < n) {\n          // Intermediate result is growing too big. Apply some of the\n          // normalization to shrink everything.\n\n          var factor = 1 - (m / (N - samplesDone));\n\n          scaledPDF *= factor;\n          scaledCDF *= factor;\n\n          // Say we've normalized by this sample already.\n          samplesDone++;\n        }\n\n        // Work out the partially-normalized hypergeometric PDF for the next\n        // number of successes\n        scaledPDF *= (n - i) * (m - i) / ((i + 1) * (N - m - n + i + 1));\n\n        // Add to the CDF answer.\n        scaledCDF += scaledPDF;\n      }\n\n      for(; samplesDone < n; samplesDone++) {\n        // Apply all the rest of the normalization\n        scaledCDF *= 1 - (m / (N - samplesDone));\n      }\n\n      // Bound answer sanely before returning.\n      return Math.min(1, Math.max(0, scaledCDF));\n    }\n  }\n});\n\n\n\n// extend uniform function with static methods\njStat.extend(jStat.poisson, {\n  pdf: function pdf(k, l) {\n    if (l < 0 || (k % 1) !== 0 || k < 0) {\n      return 0;\n    }\n\n    return Math.pow(l, k) * Math.exp(-l) / jStat.factorial(k);\n  },\n\n  cdf: function cdf(x, l) {\n    var sumarr = [],\n    k = 0;\n    if (x < 0) return 0;\n    for (; k <= x; k++) {\n      sumarr.push(jStat.poisson.pdf(k, l));\n    }\n    return jStat.sum(sumarr);\n  },\n\n  mean : function(l) {\n    return l;\n  },\n\n  variance : function(l) {\n    return l;\n  },\n\n  sample: function sample(l) {\n    var p = 1, k = 0, L = Math.exp(-l);\n    do {\n      k++;\n      p *= jStat._random_fn();\n    } while (p > L);\n    return k - 1;\n  }\n});\n\n// extend triangular function with static methods\njStat.extend(jStat.triangular, {\n  pdf: function pdf(x, a, b, c) {\n    if (b <= a || c < a || c > b) {\n      return NaN;\n    } else {\n      if (x < a || x > b) {\n        return 0;\n      } else if (x < c) {\n          return (2 * (x - a)) / ((b - a) * (c - a));\n      } else if (x === c) {\n          return (2 / (b - a));\n      } else { // x > c\n          return (2 * (b - x)) / ((b - a) * (b - c));\n      }\n    }\n  },\n\n  cdf: function cdf(x, a, b, c) {\n    if (b <= a || c < a || c > b)\n      return NaN;\n    if (x <= a)\n      return 0;\n    else if (x >= b)\n      return 1;\n    if (x <= c)\n      return Math.pow(x - a, 2) / ((b - a) * (c - a));\n    else // x > c\n      return 1 - Math.pow(b - x, 2) / ((b - a) * (b - c));\n  },\n\n  inv: function inv(p, a, b, c) {\n    if (b <= a || c < a || c > b) {\n      return NaN;\n    } else {\n      if (p <= ((c - a) / (b - a))) {\n        return a + (b - a) * Math.sqrt(p * ((c - a) / (b - a)));\n      } else { // p > ((c - a) / (b - a))\n        return a + (b - a) * (1 - Math.sqrt((1 - p) * (1 - ((c - a) / (b - a)))));\n      }\n    }\n  },\n\n  mean: function mean(a, b, c) {\n    return (a + b + c) / 3;\n  },\n\n  median: function median(a, b, c) {\n    if (c <= (a + b) / 2) {\n      return b - Math.sqrt((b - a) * (b - c)) / Math.sqrt(2);\n    } else if (c > (a + b) / 2) {\n      return a + Math.sqrt((b - a) * (c - a)) / Math.sqrt(2);\n    }\n  },\n\n  mode: function mode(a, b, c) {\n    return c;\n  },\n\n  sample: function sample(a, b, c) {\n    var u = jStat._random_fn();\n    if (u < ((c - a) / (b - a)))\n      return a + Math.sqrt(u * (b - a) * (c - a))\n    return b - Math.sqrt((1 - u) * (b - a) * (b - c));\n  },\n\n  variance: function variance(a, b, c) {\n    return (a * a + b * b + c * c - a * b - a * c - b * c) / 18;\n  }\n});\n\n\n// extend arcsine function with static methods\njStat.extend(jStat.arcsine, {\n  pdf: function pdf(x, a, b) {\n    if (b <= a) return NaN;\n\n    return (x <= a || x >= b) ? 0 :\n      (2 / Math.PI) *\n        Math.pow(Math.pow(b - a, 2) -\n                  Math.pow(2 * x - a - b, 2), -0.5);\n  },\n\n  cdf: function cdf(x, a, b) {\n    if (x < a)\n      return 0;\n    else if (x < b)\n      return (2 / Math.PI) * Math.asin(Math.sqrt((x - a)/(b - a)));\n    return 1;\n  },\n\n  inv: function(p, a, b) {\n    return a + (0.5 - 0.5 * Math.cos(Math.PI * p)) * (b - a);\n  },\n\n  mean: function mean(a, b) {\n    if (b <= a) return NaN;\n    return (a + b) / 2;\n  },\n\n  median: function median(a, b) {\n    if (b <= a) return NaN;\n    return (a + b) / 2;\n  },\n\n  mode: function mode(/*a, b*/) {\n    throw new Error('mode is not yet implemented');\n  },\n\n  sample: function sample(a, b) {\n    return ((a + b) / 2) + ((b - a) / 2) *\n      Math.sin(2 * Math.PI * jStat.uniform.sample(0, 1));\n  },\n\n  variance: function variance(a, b) {\n    if (b <= a) return NaN;\n    return Math.pow(b - a, 2) / 8;\n  }\n});\n\n\nfunction laplaceSign(x) { return x / Math.abs(x); }\n\njStat.extend(jStat.laplace, {\n  pdf: function pdf(x, mu, b) {\n    return (b <= 0) ? 0 : (Math.exp(-Math.abs(x - mu) / b)) / (2 * b);\n  },\n\n  cdf: function cdf(x, mu, b) {\n    if (b <= 0) { return 0; }\n\n    if(x < mu) {\n      return 0.5 * Math.exp((x - mu) / b);\n    } else {\n      return 1 - 0.5 * Math.exp(- (x - mu) / b);\n    }\n  },\n\n  mean: function(mu/*, b*/) {\n    return mu;\n  },\n\n  median: function(mu/*, b*/) {\n    return mu;\n  },\n\n  mode: function(mu/*, b*/) {\n    return mu;\n  },\n\n  variance: function(mu, b) {\n    return 2 * b * b;\n  },\n\n  sample: function sample(mu, b) {\n    var u = jStat._random_fn() - 0.5;\n\n    return mu - (b * laplaceSign(u) * Math.log(1 - (2 * Math.abs(u))));\n  }\n});\n\nfunction tukeyWprob(w, rr, cc) {\n  var nleg = 12;\n  var ihalf = 6;\n\n  var C1 = -30;\n  var C2 = -50;\n  var C3 = 60;\n  var bb   = 8;\n  var wlar = 3;\n  var wincr1 = 2;\n  var wincr2 = 3;\n  var xleg = [\n    0.981560634246719250690549090149,\n    0.904117256370474856678465866119,\n    0.769902674194304687036893833213,\n    0.587317954286617447296702418941,\n    0.367831498998180193752691536644,\n    0.125233408511468915472441369464\n  ];\n  var aleg = [\n    0.047175336386511827194615961485,\n    0.106939325995318430960254718194,\n    0.160078328543346226334652529543,\n    0.203167426723065921749064455810,\n    0.233492536538354808760849898925,\n    0.249147045813402785000562436043\n  ];\n\n  var qsqz = w * 0.5;\n\n  // if w >= 16 then the integral lower bound (occurs for c=20)\n  // is 0.99999999999995 so return a value of 1.\n\n  if (qsqz >= bb)\n    return 1.0;\n\n  // find (f(w/2) - 1) ^ cc\n  // (first term in integral of hartley's form).\n\n  var pr_w = 2 * jStat.normal.cdf(qsqz, 0, 1, 1, 0) - 1; // erf(qsqz / M_SQRT2)\n  // if pr_w ^ cc < 2e-22 then set pr_w = 0\n  if (pr_w >= Math.exp(C2 / cc))\n    pr_w = Math.pow(pr_w, cc);\n  else\n    pr_w = 0.0;\n\n  // if w is large then the second component of the\n  // integral is small, so fewer intervals are needed.\n\n  var wincr;\n  if (w > wlar)\n    wincr = wincr1;\n  else\n    wincr = wincr2;\n\n  // find the integral of second term of hartley's form\n  // for the integral of the range for equal-length\n  // intervals using legendre quadrature.  limits of\n  // integration are from (w/2, 8).  two or three\n  // equal-length intervals are used.\n\n  // blb and bub are lower and upper limits of integration.\n\n  var blb = qsqz;\n  var binc = (bb - qsqz) / wincr;\n  var bub = blb + binc;\n  var einsum = 0.0;\n\n  // integrate over each interval\n\n  var cc1 = cc - 1.0;\n  for (var wi = 1; wi <= wincr; wi++) {\n    var elsum = 0.0;\n    var a = 0.5 * (bub + blb);\n\n    // legendre quadrature with order = nleg\n\n    var b = 0.5 * (bub - blb);\n\n    for (var jj = 1; jj <= nleg; jj++) {\n      var j, xx;\n      if (ihalf < jj) {\n        j = (nleg - jj) + 1;\n        xx = xleg[j-1];\n      } else {\n        j = jj;\n        xx = -xleg[j-1];\n      }\n      var c = b * xx;\n      var ac = a + c;\n\n      // if exp(-qexpo/2) < 9e-14,\n      // then doesn't contribute to integral\n\n      var qexpo = ac * ac;\n      if (qexpo > C3)\n        break;\n\n      var pplus = 2 * jStat.normal.cdf(ac, 0, 1, 1, 0);\n      var pminus= 2 * jStat.normal.cdf(ac, w, 1, 1, 0);\n\n      // if rinsum ^ (cc-1) < 9e-14,\n      // then doesn't contribute to integral\n\n      var rinsum = (pplus * 0.5) - (pminus * 0.5);\n      if (rinsum >= Math.exp(C1 / cc1)) {\n        rinsum = (aleg[j-1] * Math.exp(-(0.5 * qexpo))) * Math.pow(rinsum, cc1);\n        elsum += rinsum;\n      }\n    }\n    elsum *= (((2.0 * b) * cc) / Math.sqrt(2 * Math.PI));\n    einsum += elsum;\n    blb = bub;\n    bub += binc;\n  }\n\n  // if pr_w ^ rr < 9e-14, then return 0\n  pr_w += einsum;\n  if (pr_w <= Math.exp(C1 / rr))\n    return 0;\n\n  pr_w = Math.pow(pr_w, rr);\n  if (pr_w >= 1) // 1 was iMax was eps\n    return 1;\n  return pr_w;\n}\n\nfunction tukeyQinv(p, c, v) {\n  var p0 = 0.322232421088;\n  var q0 = 0.993484626060e-01;\n  var p1 = -1.0;\n  var q1 = 0.588581570495;\n  var p2 = -0.342242088547;\n  var q2 = 0.531103462366;\n  var p3 = -0.204231210125;\n  var q3 = 0.103537752850;\n  var p4 = -0.453642210148e-04;\n  var q4 = 0.38560700634e-02;\n  var c1 = 0.8832;\n  var c2 = 0.2368;\n  var c3 = 1.214;\n  var c4 = 1.208;\n  var c5 = 1.4142;\n  var vmax = 120.0;\n\n  var ps = 0.5 - 0.5 * p;\n  var yi = Math.sqrt(Math.log(1.0 / (ps * ps)));\n  var t = yi + (((( yi * p4 + p3) * yi + p2) * yi + p1) * yi + p0)\n     / (((( yi * q4 + q3) * yi + q2) * yi + q1) * yi + q0);\n  if (v < vmax) t += (t * t * t + t) / v / 4.0;\n  var q = c1 - c2 * t;\n  if (v < vmax) q += -c3 / v + c4 * t / v;\n  return t * (q * Math.log(c - 1.0) + c5);\n}\n\njStat.extend(jStat.tukey, {\n  cdf: function cdf(q, nmeans, df) {\n    // Identical implementation as the R ptukey() function as of commit 68947\n    var rr = 1;\n    var cc = nmeans;\n\n    var nlegq = 16;\n    var ihalfq = 8;\n\n    var eps1 = -30.0;\n    var eps2 = 1.0e-14;\n    var dhaf  = 100.0;\n    var dquar = 800.0;\n    var deigh = 5000.0;\n    var dlarg = 25000.0;\n    var ulen1 = 1.0;\n    var ulen2 = 0.5;\n    var ulen3 = 0.25;\n    var ulen4 = 0.125;\n    var xlegq = [\n      0.989400934991649932596154173450,\n      0.944575023073232576077988415535,\n      0.865631202387831743880467897712,\n      0.755404408355003033895101194847,\n      0.617876244402643748446671764049,\n      0.458016777657227386342419442984,\n      0.281603550779258913230460501460,\n      0.950125098376374401853193354250e-1\n    ];\n    var alegq = [\n      0.271524594117540948517805724560e-1,\n      0.622535239386478928628438369944e-1,\n      0.951585116824927848099251076022e-1,\n      0.124628971255533872052476282192,\n      0.149595988816576732081501730547,\n      0.169156519395002538189312079030,\n      0.182603415044923588866763667969,\n      0.189450610455068496285396723208\n    ];\n\n    if (q <= 0)\n      return 0;\n\n    // df must be > 1\n    // there must be at least two values\n\n    if (df < 2 || rr < 1 || cc < 2) return NaN;\n\n    if (!Number.isFinite(q))\n      return 1;\n\n    if (df > dlarg)\n      return tukeyWprob(q, rr, cc);\n\n    // calculate leading constant\n\n    var f2 = df * 0.5;\n    var f2lf = ((f2 * Math.log(df)) - (df * Math.log(2))) - jStat.gammaln(f2);\n    var f21 = f2 - 1.0;\n\n    // integral is divided into unit, half-unit, quarter-unit, or\n    // eighth-unit length intervals depending on the value of the\n    // degrees of freedom.\n\n    var ff4 = df * 0.25;\n    var ulen;\n    if      (df <= dhaf)  ulen = ulen1;\n    else if (df <= dquar) ulen = ulen2;\n    else if (df <= deigh) ulen = ulen3;\n    else                  ulen = ulen4;\n\n    f2lf += Math.log(ulen);\n\n    // integrate over each subinterval\n\n    var ans = 0.0;\n\n    for (var i = 1; i <= 50; i++) {\n      var otsum = 0.0;\n\n      // legendre quadrature with order = nlegq\n      // nodes (stored in xlegq) are symmetric around zero.\n\n      var twa1 = (2 * i - 1) * ulen;\n\n      for (var jj = 1; jj <= nlegq; jj++) {\n        var j, t1;\n        if (ihalfq < jj) {\n          j = jj - ihalfq - 1;\n          t1 = (f2lf + (f21 * Math.log(twa1 + (xlegq[j] * ulen))))\n              - (((xlegq[j] * ulen) + twa1) * ff4);\n        } else {\n          j = jj - 1;\n          t1 = (f2lf + (f21 * Math.log(twa1 - (xlegq[j] * ulen))))\n              + (((xlegq[j] * ulen) - twa1) * ff4);\n        }\n\n        // if exp(t1) < 9e-14, then doesn't contribute to integral\n        var qsqz;\n        if (t1 >= eps1) {\n          if (ihalfq < jj) {\n            qsqz = q * Math.sqrt(((xlegq[j] * ulen) + twa1) * 0.5);\n          } else {\n            qsqz = q * Math.sqrt(((-(xlegq[j] * ulen)) + twa1) * 0.5);\n          }\n\n          // call wprob to find integral of range portion\n\n          var wprb = tukeyWprob(qsqz, rr, cc);\n          var rotsum = (wprb * alegq[j]) * Math.exp(t1);\n          otsum += rotsum;\n        }\n        // end legendre integral for interval i\n        // L200:\n      }\n\n      // if integral for interval i < 1e-14, then stop.\n      // However, in order to avoid small area under left tail,\n      // at least  1 / ulen  intervals are calculated.\n      if (i * ulen >= 1.0 && otsum <= eps2)\n        break;\n\n      // end of interval i\n      // L330:\n\n      ans += otsum;\n    }\n\n    if (otsum > eps2) { // not converged\n      throw new Error('tukey.cdf failed to converge');\n    }\n    if (ans > 1)\n      ans = 1;\n    return ans;\n  },\n\n  inv: function(p, nmeans, df) {\n    // Identical implementation as the R qtukey() function as of commit 68947\n    var rr = 1;\n    var cc = nmeans;\n\n    var eps = 0.0001;\n    var maxiter = 50;\n\n    // df must be > 1 ; there must be at least two values\n    if (df < 2 || rr < 1 || cc < 2) return NaN;\n\n    if (p < 0 || p > 1) return NaN;\n    if (p === 0) return 0;\n    if (p === 1) return Infinity;\n\n    // Initial value\n\n    var x0 = tukeyQinv(p, cc, df);\n\n    // Find prob(value < x0)\n\n    var valx0 = jStat.tukey.cdf(x0, nmeans, df) - p;\n\n    // Find the second iterate and prob(value < x1).\n    // If the first iterate has probability value\n    // exceeding p then second iterate is 1 less than\n    // first iterate; otherwise it is 1 greater.\n\n    var x1;\n    if (valx0 > 0.0)\n      x1 = Math.max(0.0, x0 - 1.0);\n    else\n      x1 = x0 + 1.0;\n    var valx1 = jStat.tukey.cdf(x1, nmeans, df) - p;\n\n    // Find new iterate\n\n    var ans;\n    for(var iter = 1; iter < maxiter; iter++) {\n      ans = x1 - ((valx1 * (x1 - x0)) / (valx1 - valx0));\n      valx0 = valx1;\n\n      // New iterate must be >= 0\n\n      x0 = x1;\n      if (ans < 0.0) {\n        ans = 0.0;\n        valx1 = -p;\n      }\n      // Find prob(value < new iterate)\n\n      valx1 = jStat.tukey.cdf(ans, nmeans, df) - p;\n      x1 = ans;\n\n      // If the difference between two successive\n      // iterates is less than eps, stop\n\n      var xabs = Math.abs(x1 - x0);\n      if (xabs < eps)\n        return ans;\n    }\n\n    throw new Error('tukey.inv failed to converge');\n  }\n});\n\n}(jStat, Math));\n/* Provides functions for the solution of linear system of equations, integration, extrapolation,\n * interpolation, eigenvalue problems, differential equations and PCA analysis. */\n\n(function(jStat, Math) {\n\nvar push = Array.prototype.push;\nvar isArray = jStat.utils.isArray;\n\nfunction isUsable(arg) {\n  return isArray(arg) || arg instanceof jStat;\n}\n\njStat.extend({\n\n  // add a vector/matrix to a vector/matrix or scalar\n  add: function add(arr, arg) {\n    // check if arg is a vector or scalar\n    if (isUsable(arg)) {\n      if (!isUsable(arg[0])) arg = [ arg ];\n      return jStat.map(arr, function(value, row, col) {\n        return value + arg[row][col];\n      });\n    }\n    return jStat.map(arr, function(value) { return value + arg; });\n  },\n\n  // subtract a vector or scalar from the vector\n  subtract: function subtract(arr, arg) {\n    // check if arg is a vector or scalar\n    if (isUsable(arg)) {\n      if (!isUsable(arg[0])) arg = [ arg ];\n      return jStat.map(arr, function(value, row, col) {\n        return value - arg[row][col] || 0;\n      });\n    }\n    return jStat.map(arr, function(value) { return value - arg; });\n  },\n\n  // matrix division\n  divide: function divide(arr, arg) {\n    if (isUsable(arg)) {\n      if (!isUsable(arg[0])) arg = [ arg ];\n      return jStat.multiply(arr, jStat.inv(arg));\n    }\n    return jStat.map(arr, function(value) { return value / arg; });\n  },\n\n  // matrix multiplication\n  multiply: function multiply(arr, arg) {\n    var row, col, nrescols, sum, nrow, ncol, res, rescols;\n    // eg: arr = 2 arg = 3 -> 6 for res[0][0] statement closure\n    if (arr.length === undefined && arg.length === undefined) {\n      return arr * arg;\n    }\n    nrow = arr.length,\n    ncol = arr[0].length,\n    res = jStat.zeros(nrow, nrescols = (isUsable(arg)) ? arg[0].length : ncol),\n    rescols = 0;\n    if (isUsable(arg)) {\n      for (; rescols < nrescols; rescols++) {\n        for (row = 0; row < nrow; row++) {\n          sum = 0;\n          for (col = 0; col < ncol; col++)\n          sum += arr[row][col] * arg[col][rescols];\n          res[row][rescols] = sum;\n        }\n      }\n      return (nrow === 1 && rescols === 1) ? res[0][0] : res;\n    }\n    return jStat.map(arr, function(value) { return value * arg; });\n  },\n\n  // outer([1,2,3],[4,5,6])\n  // ===\n  // [[1],[2],[3]] times [[4,5,6]]\n  // ->\n  // [[4,5,6],[8,10,12],[12,15,18]]\n  outer:function outer(A, B) {\n    return jStat.multiply(A.map(function(t){ return [t] }), [B]);\n  },\n\n\n  // Returns the dot product of two matricies\n  dot: function dot(arr, arg) {\n    if (!isUsable(arr[0])) arr = [ arr ];\n    if (!isUsable(arg[0])) arg = [ arg ];\n    // convert column to row vector\n    var left = (arr[0].length === 1 && arr.length !== 1) ? jStat.transpose(arr) : arr,\n    right = (arg[0].length === 1 && arg.length !== 1) ? jStat.transpose(arg) : arg,\n    res = [],\n    row = 0,\n    nrow = left.length,\n    ncol = left[0].length,\n    sum, col;\n    for (; row < nrow; row++) {\n      res[row] = [];\n      sum = 0;\n      for (col = 0; col < ncol; col++)\n      sum += left[row][col] * right[row][col];\n      res[row] = sum;\n    }\n    return (res.length === 1) ? res[0] : res;\n  },\n\n  // raise every element by a scalar\n  pow: function pow(arr, arg) {\n    return jStat.map(arr, function(value) { return Math.pow(value, arg); });\n  },\n\n  // exponentiate every element\n  exp: function exp(arr) {\n    return jStat.map(arr, function(value) { return Math.exp(value); });\n  },\n\n  // generate the natural log of every element\n  log: function exp(arr) {\n    return jStat.map(arr, function(value) { return Math.log(value); });\n  },\n\n  // generate the absolute values of the vector\n  abs: function abs(arr) {\n    return jStat.map(arr, function(value) { return Math.abs(value); });\n  },\n\n  // computes the p-norm of the vector\n  // In the case that a matrix is passed, uses the first row as the vector\n  norm: function norm(arr, p) {\n    var nnorm = 0,\n    i = 0;\n    // check the p-value of the norm, and set for most common case\n    if (isNaN(p)) p = 2;\n    // check if multi-dimensional array, and make vector correction\n    if (isUsable(arr[0])) arr = arr[0];\n    // vector norm\n    for (; i < arr.length; i++) {\n      nnorm += Math.pow(Math.abs(arr[i]), p);\n    }\n    return Math.pow(nnorm, 1 / p);\n  },\n\n  // computes the angle between two vectors in rads\n  // In case a matrix is passed, this uses the first row as the vector\n  angle: function angle(arr, arg) {\n    return Math.acos(jStat.dot(arr, arg) / (jStat.norm(arr) * jStat.norm(arg)));\n  },\n\n  // augment one matrix by another\n  // Note: this function returns a matrix, not a jStat object\n  aug: function aug(a, b) {\n    var newarr = [];\n    var i;\n    for (i = 0; i < a.length; i++) {\n      newarr.push(a[i].slice());\n    }\n    for (i = 0; i < newarr.length; i++) {\n      push.apply(newarr[i], b[i]);\n    }\n    return newarr;\n  },\n\n  // The inv() function calculates the inverse of a matrix\n  // Create the inverse by augmenting the matrix by the identity matrix of the\n  // appropriate size, and then use G-J elimination on the augmented matrix.\n  inv: function inv(a) {\n    var rows = a.length;\n    var cols = a[0].length;\n    var b = jStat.identity(rows, cols);\n    var c = jStat.gauss_jordan(a, b);\n    var result = [];\n    var i = 0;\n    var j;\n\n    //We need to copy the inverse portion to a new matrix to rid G-J artifacts\n    for (; i < rows; i++) {\n      result[i] = [];\n      for (j = cols; j < c[0].length; j++)\n        result[i][j - cols] = c[i][j];\n    }\n    return result;\n  },\n\n  // calculate the determinant of a matrix\n  det: function det(a) {\n    var alen = a.length,\n    alend = alen * 2,\n    vals = new Array(alend),\n    rowshift = alen - 1,\n    colshift = alend - 1,\n    mrow = rowshift - alen + 1,\n    mcol = colshift,\n    i = 0,\n    result = 0,\n    j;\n    // check for special 2x2 case\n    if (alen === 2) {\n      return a[0][0] * a[1][1] - a[0][1] * a[1][0];\n    }\n    for (; i < alend; i++) {\n      vals[i] = 1;\n    }\n    for (i = 0; i < alen; i++) {\n      for (j = 0; j < alen; j++) {\n        vals[(mrow < 0) ? mrow + alen : mrow ] *= a[i][j];\n        vals[(mcol < alen) ? mcol + alen : mcol ] *= a[i][j];\n        mrow++;\n        mcol--;\n      }\n      mrow = --rowshift - alen + 1;\n      mcol = --colshift;\n    }\n    for (i = 0; i < alen; i++) {\n      result += vals[i];\n    }\n    for (; i < alend; i++) {\n      result -= vals[i];\n    }\n    return result;\n  },\n\n  gauss_elimination: function gauss_elimination(a, b) {\n    var i = 0,\n    j = 0,\n    n = a.length,\n    m = a[0].length,\n    factor = 1,\n    sum = 0,\n    x = [],\n    maug, pivot, temp, k;\n    a = jStat.aug(a, b);\n    maug = a[0].length;\n    for(i = 0; i < n; i++) {\n      pivot = a[i][i];\n      j = i;\n      for (k = i + 1; k < m; k++) {\n        if (pivot < Math.abs(a[k][i])) {\n          pivot = a[k][i];\n          j = k;\n        }\n      }\n      if (j != i) {\n        for(k = 0; k < maug; k++) {\n          temp = a[i][k];\n          a[i][k] = a[j][k];\n          a[j][k] = temp;\n        }\n      }\n      for (j = i + 1; j < n; j++) {\n        factor = a[j][i] / a[i][i];\n        for(k = i; k < maug; k++) {\n          a[j][k] = a[j][k] - factor * a[i][k];\n        }\n      }\n    }\n    for (i = n - 1; i >= 0; i--) {\n      sum = 0;\n      for (j = i + 1; j<= n - 1; j++) {\n        sum = sum + x[j] * a[i][j];\n      }\n      x[i] =(a[i][maug - 1] - sum) / a[i][i];\n    }\n    return x;\n  },\n\n  gauss_jordan: function gauss_jordan(a, b) {\n    var m = jStat.aug(a, b);\n    var h = m.length;\n    var w = m[0].length;\n    var c = 0;\n    var x, y, y2;\n    // find max pivot\n    for (y = 0; y < h; y++) {\n      var maxrow = y;\n      for (y2 = y+1; y2 < h; y2++) {\n        if (Math.abs(m[y2][y]) > Math.abs(m[maxrow][y]))\n          maxrow = y2;\n      }\n      var tmp = m[y];\n      m[y] = m[maxrow];\n      m[maxrow] = tmp\n      for (y2 = y+1; y2 < h; y2++) {\n        c = m[y2][y] / m[y][y];\n        for (x = y; x < w; x++) {\n          m[y2][x] -= m[y][x] * c;\n        }\n      }\n    }\n    // backsubstitute\n    for (y = h-1; y >= 0; y--) {\n      c = m[y][y];\n      for (y2 = 0; y2 < y; y2++) {\n        for (x = w-1; x > y-1; x--) {\n          m[y2][x] -= m[y][x] * m[y2][y] / c;\n        }\n      }\n      m[y][y] /= c;\n      for (x = h; x < w; x++) {\n        m[y][x] /= c;\n      }\n    }\n    return m;\n  },\n\n  // solve equation\n  // Ax=b\n  // A is upper triangular matrix\n  // A=[[1,2,3],[0,4,5],[0,6,7]]\n  // b=[1,2,3]\n  // triaUpSolve(A,b) // -> [2.666,0.1666,1.666]\n  // if you use matrix style\n  // A=[[1,2,3],[0,4,5],[0,6,7]]\n  // b=[[1],[2],[3]]\n  // will return [[2.666],[0.1666],[1.666]]\n  triaUpSolve: function triaUpSolve(A, b) {\n    var size = A[0].length;\n    var x = jStat.zeros(1, size)[0];\n    var parts;\n    var matrix_mode = false;\n\n    if (b[0].length != undefined) {\n      b = b.map(function(i){ return i[0] });\n      matrix_mode = true;\n    }\n\n    jStat.arange(size - 1, -1, -1).forEach(function(i) {\n      parts = jStat.arange(i + 1, size).map(function(j) {\n        return x[j] * A[i][j];\n      });\n      x[i] = (b[i] - jStat.sum(parts)) / A[i][i];\n    });\n\n    if (matrix_mode)\n      return x.map(function(i){ return [i] });\n    return x;\n  },\n\n  triaLowSolve: function triaLowSolve(A, b) {\n    // like to triaUpSolve but A is lower triangular matrix\n    var size = A[0].length;\n    var x = jStat.zeros(1, size)[0];\n    var parts;\n\n    var matrix_mode=false;\n    if (b[0].length != undefined) {\n      b = b.map(function(i){ return i[0] });\n      matrix_mode = true;\n    }\n\n    jStat.arange(size).forEach(function(i) {\n      parts = jStat.arange(i).map(function(j) {\n        return A[i][j] * x[j];\n      });\n      x[i] = (b[i] - jStat.sum(parts)) / A[i][i];\n    })\n\n    if (matrix_mode)\n      return x.map(function(i){ return [i] });\n    return x;\n  },\n\n\n  // A -> [L,U]\n  // A=LU\n  // L is lower triangular matrix\n  // U is upper triangular matrix\n  lu: function lu(A) {\n    var size = A.length;\n    //var L=jStat.diagonal(jStat.ones(1,size)[0]);\n    var L = jStat.identity(size);\n    var R = jStat.zeros(A.length, A[0].length);\n    var parts;\n    jStat.arange(size).forEach(function(t) {\n      R[0][t] = A[0][t];\n    });\n    jStat.arange(1, size).forEach(function(l) {\n      jStat.arange(l).forEach(function(i) {\n        parts = jStat.arange(i).map(function(jj) {\n          return L[l][jj] * R[jj][i];\n        });\n        L[l][i] = (A[l][i] - jStat.sum(parts)) / R[i][i];\n      });\n      jStat.arange(l, size).forEach(function(j) {\n        parts = jStat.arange(l).map(function(jj) {\n          return L[l][jj] * R[jj][j];\n        });\n        R[l][j] = A[parts.length][j] - jStat.sum(parts);\n      });\n    });\n    return [L, R];\n  },\n\n  // A -> T\n  // A=TT'\n  // T is lower triangular matrix\n  cholesky: function cholesky(A) {\n    var size = A.length;\n    var T = jStat.zeros(A.length, A[0].length);\n    var parts;\n    jStat.arange(size).forEach(function(i) {\n      parts = jStat.arange(i).map(function(t) {\n        return Math.pow(T[i][t],2);\n      });\n      T[i][i] = Math.sqrt(A[i][i] - jStat.sum(parts));\n      jStat.arange(i + 1, size).forEach(function(j) {\n        parts = jStat.arange(i).map(function(t) {\n          return T[i][t] * T[j][t];\n        });\n        T[j][i] = (A[i][j] - jStat.sum(parts)) / T[i][i];\n      });\n    });\n    return T;\n  },\n\n\n  gauss_jacobi: function gauss_jacobi(a, b, x, r) {\n    var i = 0;\n    var j = 0;\n    var n = a.length;\n    var l = [];\n    var u = [];\n    var d = [];\n    var xv, c, h, xk;\n    for (; i < n; i++) {\n      l[i] = [];\n      u[i] = [];\n      d[i] = [];\n      for (j = 0; j < n; j++) {\n        if (i > j) {\n          l[i][j] = a[i][j];\n          u[i][j] = d[i][j] = 0;\n        } else if (i < j) {\n          u[i][j] = a[i][j];\n          l[i][j] = d[i][j] = 0;\n        } else {\n          d[i][j] = a[i][j];\n          l[i][j] = u[i][j] = 0;\n        }\n      }\n    }\n    h = jStat.multiply(jStat.multiply(jStat.inv(d), jStat.add(l, u)), -1);\n    c = jStat.multiply(jStat.inv(d), b);\n    xv = x;\n    xk = jStat.add(jStat.multiply(h, x), c);\n    i = 2;\n    while (Math.abs(jStat.norm(jStat.subtract(xk,xv))) > r) {\n      xv = xk;\n      xk = jStat.add(jStat.multiply(h, xv), c);\n      i++;\n    }\n    return xk;\n  },\n\n  gauss_seidel: function gauss_seidel(a, b, x, r) {\n    var i = 0;\n    var n = a.length;\n    var l = [];\n    var u = [];\n    var d = [];\n    var j, xv, c, h, xk;\n    for (; i < n; i++) {\n      l[i] = [];\n      u[i] = [];\n      d[i] = [];\n      for (j = 0; j < n; j++) {\n        if (i > j) {\n          l[i][j] = a[i][j];\n          u[i][j] = d[i][j] = 0;\n        } else if (i < j) {\n          u[i][j] = a[i][j];\n          l[i][j] = d[i][j] = 0;\n        } else {\n          d[i][j] = a[i][j];\n          l[i][j] = u[i][j] = 0;\n        }\n      }\n    }\n    h = jStat.multiply(jStat.multiply(jStat.inv(jStat.add(d, l)), u), -1);\n    c = jStat.multiply(jStat.inv(jStat.add(d, l)), b);\n    xv = x;\n    xk = jStat.add(jStat.multiply(h, x), c);\n    i = 2;\n    while (Math.abs(jStat.norm(jStat.subtract(xk, xv))) > r) {\n      xv = xk;\n      xk = jStat.add(jStat.multiply(h, xv), c);\n      i = i + 1;\n    }\n    return xk;\n  },\n\n  SOR: function SOR(a, b, x, r, w) {\n    var i = 0;\n    var n = a.length;\n    var l = [];\n    var u = [];\n    var d = [];\n    var j, xv, c, h, xk;\n    for (; i < n; i++) {\n      l[i] = [];\n      u[i] = [];\n      d[i] = [];\n      for (j = 0; j < n; j++) {\n        if (i > j) {\n          l[i][j] = a[i][j];\n          u[i][j] = d[i][j] = 0;\n        } else if (i < j) {\n          u[i][j] = a[i][j];\n          l[i][j] = d[i][j] = 0;\n        } else {\n          d[i][j] = a[i][j];\n          l[i][j] = u[i][j] = 0;\n        }\n      }\n    }\n    h = jStat.multiply(jStat.inv(jStat.add(d, jStat.multiply(l, w))),\n                       jStat.subtract(jStat.multiply(d, 1 - w),\n                                      jStat.multiply(u, w)));\n    c = jStat.multiply(jStat.multiply(jStat.inv(jStat.add(d,\n        jStat.multiply(l, w))), b), w);\n    xv = x;\n    xk = jStat.add(jStat.multiply(h, x), c);\n    i = 2;\n    while (Math.abs(jStat.norm(jStat.subtract(xk, xv))) > r) {\n      xv = xk;\n      xk = jStat.add(jStat.multiply(h, xv), c);\n      i++;\n    }\n    return xk;\n  },\n\n  householder: function householder(a) {\n    var m = a.length;\n    var n = a[0].length;\n    var i = 0;\n    var w = [];\n    var p = [];\n    var alpha, r, k, j, factor;\n    for (; i < m - 1; i++) {\n      alpha = 0;\n      for (j = i + 1; j < n; j++)\n      alpha += (a[j][i] * a[j][i]);\n      factor = (a[i + 1][i] > 0) ? -1 : 1;\n      alpha = factor * Math.sqrt(alpha);\n      r = Math.sqrt((((alpha * alpha) - a[i + 1][i] * alpha) / 2));\n      w = jStat.zeros(m, 1);\n      w[i + 1][0] = (a[i + 1][i] - alpha) / (2 * r);\n      for (k = i + 2; k < m; k++) w[k][0] = a[k][i] / (2 * r);\n      p = jStat.subtract(jStat.identity(m, n),\n          jStat.multiply(jStat.multiply(w, jStat.transpose(w)), 2));\n      a = jStat.multiply(p, jStat.multiply(a, p));\n    }\n    return a;\n  },\n\n  // A -> [Q,R]\n  // Q is orthogonal matrix\n  // R is upper triangular\n  QR: (function() {\n    // x -> Q\n    // find a orthogonal matrix Q st.\n    // Qx=y\n    // y is [||x||,0,0,...]\n\n    // quick ref\n    var sum   = jStat.sum;\n    var range = jStat.arange;\n\n    function qr2(x) {\n      // quick impletation\n      // https://www.stat.wisc.edu/~larget/math496/qr.html\n\n      var n = x.length;\n      var p = x[0].length;\n\n      var r = jStat.zeros(p, p);\n      x = jStat.copy(x);\n\n      var i,j,k;\n      for(j = 0; j < p; j++){\n        r[j][j] = Math.sqrt(sum(range(n).map(function(i){\n          return x[i][j] * x[i][j];\n        })));\n        for(i = 0; i < n; i++){\n          x[i][j] = x[i][j] / r[j][j];\n        }\n        for(k = j+1; k < p; k++){\n          r[j][k] = sum(range(n).map(function(i){\n            return x[i][j] * x[i][k];\n          }));\n          for(i = 0; i < n; i++){\n            x[i][k] = x[i][k] - x[i][j]*r[j][k];\n          }\n        }\n      }\n      return [x, r];\n    }\n\n    return qr2;\n  }()),\n\n  lstsq: (function() {\n    // solve least squard problem for Ax=b as QR decomposition way if b is\n    // [[b1],[b2],[b3]] form will return [[x1],[x2],[x3]] array form solution\n    // else b is [b1,b2,b3] form will return [x1,x2,x3] array form solution\n    function R_I(A) {\n      A = jStat.copy(A);\n      var size = A.length;\n      var I = jStat.identity(size);\n      jStat.arange(size - 1, -1, -1).forEach(function(i) {\n        jStat.sliceAssign(\n            I, { row: i }, jStat.divide(jStat.slice(I, { row: i }), A[i][i]));\n        jStat.sliceAssign(\n            A, { row: i }, jStat.divide(jStat.slice(A, { row: i }), A[i][i]));\n        jStat.arange(i).forEach(function(j) {\n          var c = jStat.multiply(A[j][i], -1);\n          var Aj = jStat.slice(A, { row: j });\n          var cAi = jStat.multiply(jStat.slice(A, { row: i }), c);\n          jStat.sliceAssign(A, { row: j }, jStat.add(Aj, cAi));\n          var Ij = jStat.slice(I, { row: j });\n          var cIi = jStat.multiply(jStat.slice(I, { row: i }), c);\n          jStat.sliceAssign(I, { row: j }, jStat.add(Ij, cIi));\n        })\n      });\n      return I;\n    }\n\n    function qr_solve(A, b){\n      var array_mode = false;\n      if (b[0].length === undefined) {\n        // [c1,c2,c3] mode\n        b = b.map(function(x){ return [x] });\n        array_mode = true;\n      }\n      var QR = jStat.QR(A);\n      var Q = QR[0];\n      var R = QR[1];\n      var attrs = A[0].length;\n      var Q1 = jStat.slice(Q,{col:{end:attrs}});\n      var R1 = jStat.slice(R,{row:{end:attrs}});\n      var RI = R_I(R1);\n      var Q2 = jStat.transpose(Q1);\n\n      if(Q2[0].length === undefined){\n        Q2 = [Q2]; // The confusing jStat.multifly implementation threat nature process again.\n      }\n\n      var x = jStat.multiply(jStat.multiply(RI, Q2), b);\n\n      if(x.length === undefined){\n        x = [[x]]; // The confusing jStat.multifly implementation threat nature process again.\n      }\n\n\n      if (array_mode)\n        return x.map(function(i){ return i[0] });\n      return x;\n    }\n\n    return qr_solve;\n  }()),\n\n  jacobi: function jacobi(a) {\n    var condition = 1;\n    var n = a.length;\n    var e = jStat.identity(n, n);\n    var ev = [];\n    var b, i, j, p, q, maxim, theta, s;\n    // condition === 1 only if tolerance is not reached\n    while (condition === 1) {\n      maxim = a[0][1];\n      p = 0;\n      q = 1;\n      for (i = 0; i < n; i++) {\n        for (j = 0; j < n; j++) {\n          if (i != j) {\n            if (maxim < Math.abs(a[i][j])) {\n              maxim = Math.abs(a[i][j]);\n              p = i;\n              q = j;\n            }\n          }\n        }\n      }\n      if (a[p][p] === a[q][q])\n        theta = (a[p][q] > 0) ? Math.PI / 4 : -Math.PI / 4;\n      else\n        theta = Math.atan(2 * a[p][q] / (a[p][p] - a[q][q])) / 2;\n      s = jStat.identity(n, n);\n      s[p][p] = Math.cos(theta);\n      s[p][q] = -Math.sin(theta);\n      s[q][p] = Math.sin(theta);\n      s[q][q] = Math.cos(theta);\n      // eigen vector matrix\n      e = jStat.multiply(e, s);\n      b = jStat.multiply(jStat.multiply(jStat.inv(s), a), s);\n      a = b;\n      condition = 0;\n      for (i = 1; i < n; i++) {\n        for (j = 1; j < n; j++) {\n          if (i != j && Math.abs(a[i][j]) > 0.001) {\n            condition = 1;\n          }\n        }\n      }\n    }\n    for (i = 0; i < n; i++) ev.push(a[i][i]);\n    //returns both the eigenvalue and eigenmatrix\n    return [e, ev];\n  },\n\n  rungekutta: function rungekutta(f, h, p, t_j, u_j, order) {\n    var k1, k2, u_j1, k3, k4;\n    if (order === 2) {\n      while (t_j <= p) {\n        k1 = h * f(t_j, u_j);\n        k2 = h * f(t_j + h, u_j + k1);\n        u_j1 = u_j + (k1 + k2) / 2;\n        u_j = u_j1;\n        t_j = t_j + h;\n      }\n    }\n    if (order === 4) {\n      while (t_j <= p) {\n        k1 = h * f(t_j, u_j);\n        k2 = h * f(t_j + h / 2, u_j + k1 / 2);\n        k3 = h * f(t_j + h / 2, u_j + k2 / 2);\n        k4 = h * f(t_j +h, u_j + k3);\n        u_j1 = u_j + (k1 + 2 * k2 + 2 * k3 + k4) / 6;\n        u_j = u_j1;\n        t_j = t_j + h;\n      }\n    }\n    return u_j;\n  },\n\n  romberg: function romberg(f, a, b, order) {\n    var i = 0;\n    var h = (b - a) / 2;\n    var x = [];\n    var h1 = [];\n    var g = [];\n    var m, a1, j, k, I;\n    while (i < order / 2) {\n      I = f(a);\n      for (j = a, k = 0; j <= b; j = j + h, k++) x[k] = j;\n      m = x.length;\n      for (j = 1; j < m - 1; j++) {\n        I += (((j % 2) !== 0) ? 4 : 2) * f(x[j]);\n      }\n      I = (h / 3) * (I + f(b));\n      g[i] = I;\n      h /= 2;\n      i++;\n    }\n    a1 = g.length;\n    m = 1;\n    while (a1 !== 1) {\n      for (j = 0; j < a1 - 1; j++)\n      h1[j] = ((Math.pow(4, m)) * g[j + 1] - g[j]) / (Math.pow(4, m) - 1);\n      a1 = h1.length;\n      g = h1;\n      h1 = [];\n      m++;\n    }\n    return g;\n  },\n\n  richardson: function richardson(X, f, x, h) {\n    function pos(X, x) {\n      var i = 0;\n      var n = X.length;\n      var p;\n      for (; i < n; i++)\n        if (X[i] === x) p = i;\n      return p;\n    }\n    var h_min = Math.abs(x - X[pos(X, x) + 1]);\n    var i = 0;\n    var g = [];\n    var h1 = [];\n    var y1, y2, m, a, j;\n    while (h >= h_min) {\n      y1 = pos(X, x + h);\n      y2 = pos(X, x);\n      g[i] = (f[y1] - 2 * f[y2] + f[2 * y2 - y1]) / (h * h);\n      h /= 2;\n      i++;\n    }\n    a = g.length;\n    m = 1;\n    while (a != 1) {\n      for (j = 0; j < a - 1; j++)\n        h1[j] = ((Math.pow(4, m)) * g[j + 1] - g[j]) / (Math.pow(4, m) - 1);\n      a = h1.length;\n      g = h1;\n      h1 = [];\n      m++;\n    }\n    return g;\n  },\n\n  simpson: function simpson(f, a, b, n) {\n    var h = (b - a) / n;\n    var I = f(a);\n    var x = [];\n    var j = a;\n    var k = 0;\n    var i = 1;\n    var m;\n    for (; j <= b; j = j + h, k++)\n      x[k] = j;\n    m = x.length;\n    for (; i < m - 1; i++) {\n      I += ((i % 2 !== 0) ? 4 : 2) * f(x[i]);\n    }\n    return (h / 3) * (I + f(b));\n  },\n\n  hermite: function hermite(X, F, dF, value) {\n    var n = X.length;\n    var p = 0;\n    var i = 0;\n    var l = [];\n    var dl = [];\n    var A = [];\n    var B = [];\n    var j;\n    for (; i < n; i++) {\n      l[i] = 1;\n      for (j = 0; j < n; j++) {\n        if (i != j) l[i] *= (value - X[j]) / (X[i] - X[j]);\n      }\n      dl[i] = 0;\n      for (j = 0; j < n; j++) {\n        if (i != j) dl[i] += 1 / (X [i] - X[j]);\n      }\n      A[i] = (1 - 2 * (value - X[i]) * dl[i]) * (l[i] * l[i]);\n      B[i] = (value - X[i]) * (l[i] * l[i]);\n      p += (A[i] * F[i] + B[i] * dF[i]);\n    }\n    return p;\n  },\n\n  lagrange: function lagrange(X, F, value) {\n    var p = 0;\n    var i = 0;\n    var j, l;\n    var n = X.length;\n    for (; i < n; i++) {\n      l = F[i];\n      for (j = 0; j < n; j++) {\n        // calculating the lagrange polynomial L_i\n        if (i != j) l *= (value - X[j]) / (X[i] - X[j]);\n      }\n      // adding the lagrange polynomials found above\n      p += l;\n    }\n    return p;\n  },\n\n  cubic_spline: function cubic_spline(X, F, value) {\n    var n = X.length;\n    var i = 0, j;\n    var A = [];\n    var B = [];\n    var alpha = [];\n    var c = [];\n    var h = [];\n    var b = [];\n    var d = [];\n    for (; i < n - 1; i++)\n      h[i] = X[i + 1] - X[i];\n    alpha[0] = 0;\n    for (i = 1; i < n - 1; i++) {\n      alpha[i] = (3 / h[i]) * (F[i + 1] - F[i]) -\n          (3 / h[i-1]) * (F[i] - F[i-1]);\n    }\n    for (i = 1; i < n - 1; i++) {\n      A[i] = [];\n      B[i] = [];\n      A[i][i-1] = h[i-1];\n      A[i][i] = 2 * (h[i - 1] + h[i]);\n      A[i][i+1] = h[i];\n      B[i][0] = alpha[i];\n    }\n    c = jStat.multiply(jStat.inv(A), B);\n    for (j = 0; j < n - 1; j++) {\n      b[j] = (F[j + 1] - F[j]) / h[j] - h[j] * (c[j + 1][0] + 2 * c[j][0]) / 3;\n      d[j] = (c[j + 1][0] - c[j][0]) / (3 * h[j]);\n    }\n    for (j = 0; j < n; j++) {\n      if (X[j] > value) break;\n    }\n    j -= 1;\n    return F[j] + (value - X[j]) * b[j] + jStat.sq(value-X[j]) *\n        c[j] + (value - X[j]) * jStat.sq(value - X[j]) * d[j];\n  },\n\n  gauss_quadrature: function gauss_quadrature() {\n    throw new Error('gauss_quadrature not yet implemented');\n  },\n\n  PCA: function PCA(X) {\n    var m = X.length;\n    var n = X[0].length;\n    var i = 0;\n    var j, temp1;\n    var u = [];\n    var D = [];\n    var result = [];\n    var temp2 = [];\n    var Y = [];\n    var Bt = [];\n    var B = [];\n    var C = [];\n    var V = [];\n    var Vt = [];\n    for (i = 0; i < m; i++) {\n      u[i] = jStat.sum(X[i]) / n;\n    }\n    for (i = 0; i < n; i++) {\n      B[i] = [];\n      for(j = 0; j < m; j++) {\n        B[i][j] = X[j][i] - u[j];\n      }\n    }\n    B = jStat.transpose(B);\n    for (i = 0; i < m; i++) {\n      C[i] = [];\n      for (j = 0; j < m; j++) {\n        C[i][j] = (jStat.dot([B[i]], [B[j]])) / (n - 1);\n      }\n    }\n    result = jStat.jacobi(C);\n    V = result[0];\n    D = result[1];\n    Vt = jStat.transpose(V);\n    for (i = 0; i < D.length; i++) {\n      for (j = i; j < D.length; j++) {\n        if(D[i] < D[j])  {\n          temp1 = D[i];\n          D[i] = D[j];\n          D[j] = temp1;\n          temp2 = Vt[i];\n          Vt[i] = Vt[j];\n          Vt[j] = temp2;\n        }\n      }\n    }\n    Bt = jStat.transpose(B);\n    for (i = 0; i < m; i++) {\n      Y[i] = [];\n      for (j = 0; j < Bt.length; j++) {\n        Y[i][j] = jStat.dot([Vt[i]], [Bt[j]]);\n      }\n    }\n    return [X, D, Vt, Y];\n  }\n});\n\n// extend jStat.fn with methods that require one argument\n(function(funcs) {\n  for (var i = 0; i < funcs.length; i++) (function(passfunc) {\n    jStat.fn[passfunc] = function(arg, func) {\n      var tmpthis = this;\n      // check for callback\n      if (func) {\n        setTimeout(function() {\n          func.call(tmpthis, jStat.fn[passfunc].call(tmpthis, arg));\n        }, 15);\n        return this;\n      }\n      if (typeof jStat[passfunc](this, arg) === 'number')\n        return jStat[passfunc](this, arg);\n      else\n        return jStat(jStat[passfunc](this, arg));\n    };\n  }(funcs[i]));\n}('add divide multiply subtract dot pow exp log abs norm angle'.split(' ')));\n\n}(jStat, Math));\n(function(jStat, Math) {\n\nvar slice = [].slice;\nvar isNumber = jStat.utils.isNumber;\nvar isArray = jStat.utils.isArray;\n\n// flag==true denotes use of sample standard deviation\n// Z Statistics\njStat.extend({\n  // 2 different parameter lists:\n  // (value, mean, sd)\n  // (value, array, flag)\n  zscore: function zscore() {\n    var args = slice.call(arguments);\n    if (isNumber(args[1])) {\n      return (args[0] - args[1]) / args[2];\n    }\n    return (args[0] - jStat.mean(args[1])) / jStat.stdev(args[1], args[2]);\n  },\n\n  // 3 different paramter lists:\n  // (value, mean, sd, sides)\n  // (zscore, sides)\n  // (value, array, sides, flag)\n  ztest: function ztest() {\n    var args = slice.call(arguments);\n    var z;\n    if (isArray(args[1])) {\n      // (value, array, sides, flag)\n      z = jStat.zscore(args[0],args[1],args[3]);\n      return (args[2] === 1) ?\n        (jStat.normal.cdf(-Math.abs(z), 0, 1)) :\n        (jStat.normal.cdf(-Math.abs(z), 0, 1)*2);\n    } else {\n      if (args.length > 2) {\n        // (value, mean, sd, sides)\n        z = jStat.zscore(args[0],args[1],args[2]);\n        return (args[3] === 1) ?\n          (jStat.normal.cdf(-Math.abs(z),0,1)) :\n          (jStat.normal.cdf(-Math.abs(z),0,1)* 2);\n      } else {\n        // (zscore, sides)\n        z = args[0];\n        return (args[1] === 1) ?\n          (jStat.normal.cdf(-Math.abs(z),0,1)) :\n          (jStat.normal.cdf(-Math.abs(z),0,1)*2);\n      }\n    }\n  }\n});\n\njStat.extend(jStat.fn, {\n  zscore: function zscore(value, flag) {\n    return (value - this.mean()) / this.stdev(flag);\n  },\n\n  ztest: function ztest(value, sides, flag) {\n    var zscore = Math.abs(this.zscore(value, flag));\n    return (sides === 1) ?\n      (jStat.normal.cdf(-zscore, 0, 1)) :\n      (jStat.normal.cdf(-zscore, 0, 1) * 2);\n  }\n});\n\n// T Statistics\njStat.extend({\n  // 2 parameter lists\n  // (value, mean, sd, n)\n  // (value, array)\n  tscore: function tscore() {\n    var args = slice.call(arguments);\n    return (args.length === 4) ?\n      ((args[0] - args[1]) / (args[2] / Math.sqrt(args[3]))) :\n      ((args[0] - jStat.mean(args[1])) /\n       (jStat.stdev(args[1], true) / Math.sqrt(args[1].length)));\n  },\n\n  // 3 different paramter lists:\n  // (value, mean, sd, n, sides)\n  // (tscore, n, sides)\n  // (value, array, sides)\n  ttest: function ttest() {\n    var args = slice.call(arguments);\n    var tscore;\n    if (args.length === 5) {\n      tscore = Math.abs(jStat.tscore(args[0], args[1], args[2], args[3]));\n      return (args[4] === 1) ?\n        (jStat.studentt.cdf(-tscore, args[3]-1)) :\n        (jStat.studentt.cdf(-tscore, args[3]-1)*2);\n    }\n    if (isNumber(args[1])) {\n      tscore = Math.abs(args[0])\n      return (args[2] == 1) ?\n        (jStat.studentt.cdf(-tscore, args[1]-1)) :\n        (jStat.studentt.cdf(-tscore, args[1]-1) * 2);\n    }\n    tscore = Math.abs(jStat.tscore(args[0], args[1]))\n    return (args[2] == 1) ?\n      (jStat.studentt.cdf(-tscore, args[1].length-1)) :\n      (jStat.studentt.cdf(-tscore, args[1].length-1) * 2);\n  }\n});\n\njStat.extend(jStat.fn, {\n  tscore: function tscore(value) {\n    return (value - this.mean()) / (this.stdev(true) / Math.sqrt(this.cols()));\n  },\n\n  ttest: function ttest(value, sides) {\n    return (sides === 1) ?\n      (1 - jStat.studentt.cdf(Math.abs(this.tscore(value)), this.cols()-1)) :\n      (jStat.studentt.cdf(-Math.abs(this.tscore(value)), this.cols()-1)*2);\n  }\n});\n\n// F Statistics\njStat.extend({\n  // Paramter list is as follows:\n  // (array1, array2, array3, ...)\n  // or it is an array of arrays\n  // array of arrays conversion\n  anovafscore: function anovafscore() {\n    var args = slice.call(arguments),\n    expVar, sample, sampMean, sampSampMean, tmpargs, unexpVar, i, j;\n    if (args.length === 1) {\n      tmpargs = new Array(args[0].length);\n      for (i = 0; i < args[0].length; i++) {\n        tmpargs[i] = args[0][i];\n      }\n      args = tmpargs;\n    }\n    // Builds sample array\n    sample = new Array();\n    for (i = 0; i < args.length; i++) {\n      sample = sample.concat(args[i]);\n    }\n    sampMean = jStat.mean(sample);\n    // Computes the explained variance\n    expVar = 0;\n    for (i = 0; i < args.length; i++) {\n      expVar = expVar + args[i].length * Math.pow(jStat.mean(args[i]) - sampMean, 2);\n    }\n    expVar /= (args.length - 1);\n    // Computes unexplained variance\n    unexpVar = 0;\n    for (i = 0; i < args.length; i++) {\n      sampSampMean = jStat.mean(args[i]);\n      for (j = 0; j < args[i].length; j++) {\n        unexpVar += Math.pow(args[i][j] - sampSampMean, 2);\n      }\n    }\n    unexpVar /= (sample.length - args.length);\n    return expVar / unexpVar;\n  },\n\n  // 2 different paramter setups\n  // (array1, array2, array3, ...)\n  // (anovafscore, df1, df2)\n  anovaftest: function anovaftest() {\n    var args = slice.call(arguments),\n    df1, df2, n, i;\n    if (isNumber(args[0])) {\n      return 1 - jStat.centralF.cdf(args[0], args[1], args[2]);\n    }\n    var anovafscore = jStat.anovafscore(args);\n    df1 = args.length - 1;\n    n = 0;\n    for (i = 0; i < args.length; i++) {\n      n = n + args[i].length;\n    }\n    df2 = n - df1 - 1;\n    return 1 - jStat.centralF.cdf(anovafscore, df1, df2);\n  },\n\n  ftest: function ftest(fscore, df1, df2) {\n    return 1 - jStat.centralF.cdf(fscore, df1, df2);\n  }\n});\n\njStat.extend(jStat.fn, {\n  anovafscore: function anovafscore() {\n    return jStat.anovafscore(this.toArray());\n  },\n\n  anovaftes: function anovaftes() {\n    var n = 0;\n    var i;\n    for (i = 0; i < this.length; i++) {\n      n = n + this[i].length;\n    }\n    return jStat.ftest(this.anovafscore(), this.length - 1, n - this.length);\n  }\n});\n\n// Tukey's range test\njStat.extend({\n  // 2 parameter lists\n  // (mean1, mean2, n1, n2, sd)\n  // (array1, array2, sd)\n  qscore: function qscore() {\n    var args = slice.call(arguments);\n    var mean1, mean2, n1, n2, sd;\n    if (isNumber(args[0])) {\n        mean1 = args[0];\n        mean2 = args[1];\n        n1 = args[2];\n        n2 = args[3];\n        sd = args[4];\n    } else {\n        mean1 = jStat.mean(args[0]);\n        mean2 = jStat.mean(args[1]);\n        n1 = args[0].length;\n        n2 = args[1].length;\n        sd = args[2];\n    }\n    return Math.abs(mean1 - mean2) / (sd * Math.sqrt((1 / n1 + 1 / n2) / 2));\n  },\n\n  // 3 different parameter lists:\n  // (qscore, n, k)\n  // (mean1, mean2, n1, n2, sd, n, k)\n  // (array1, array2, sd, n, k)\n  qtest: function qtest() {\n    var args = slice.call(arguments);\n\n    var qscore;\n    if (args.length === 3) {\n      qscore = args[0];\n      args = args.slice(1);\n    } else if (args.length === 7) {\n      qscore = jStat.qscore(args[0], args[1], args[2], args[3], args[4]);\n      args = args.slice(5);\n    } else {\n      qscore = jStat.qscore(args[0], args[1], args[2]);\n      args = args.slice(3);\n    }\n\n    var n = args[0];\n    var k = args[1];\n\n    return 1 - jStat.tukey.cdf(qscore, k, n - k);\n  },\n\n  tukeyhsd: function tukeyhsd(arrays) {\n    var sd = jStat.pooledstdev(arrays);\n    var means = arrays.map(function (arr) {return jStat.mean(arr);});\n    var n = arrays.reduce(function (n, arr) {return n + arr.length;}, 0);\n\n    var results = [];\n    for (var i = 0; i < arrays.length; ++i) {\n        for (var j = i + 1; j < arrays.length; ++j) {\n            var p = jStat.qtest(means[i], means[j], arrays[i].length, arrays[j].length, sd, n, arrays.length);\n            results.push([[i, j], p]);\n        }\n    }\n\n    return results;\n  }\n});\n\n// Error Bounds\njStat.extend({\n  // 2 different parameter setups\n  // (value, alpha, sd, n)\n  // (value, alpha, array)\n  normalci: function normalci() {\n    var args = slice.call(arguments),\n    ans = new Array(2),\n    change;\n    if (args.length === 4) {\n      change = Math.abs(jStat.normal.inv(args[1] / 2, 0, 1) *\n                        args[2] / Math.sqrt(args[3]));\n    } else {\n      change = Math.abs(jStat.normal.inv(args[1] / 2, 0, 1) *\n                        jStat.stdev(args[2]) / Math.sqrt(args[2].length));\n    }\n    ans[0] = args[0] - change;\n    ans[1] = args[0] + change;\n    return ans;\n  },\n\n  // 2 different parameter setups\n  // (value, alpha, sd, n)\n  // (value, alpha, array)\n  tci: function tci() {\n    var args = slice.call(arguments),\n    ans = new Array(2),\n    change;\n    if (args.length === 4) {\n      change = Math.abs(jStat.studentt.inv(args[1] / 2, args[3] - 1) *\n                        args[2] / Math.sqrt(args[3]));\n    } else {\n      change = Math.abs(jStat.studentt.inv(args[1] / 2, args[2].length - 1) *\n                        jStat.stdev(args[2], true) / Math.sqrt(args[2].length));\n    }\n    ans[0] = args[0] - change;\n    ans[1] = args[0] + change;\n    return ans;\n  },\n\n  significant: function significant(pvalue, alpha) {\n    return pvalue < alpha;\n  }\n});\n\njStat.extend(jStat.fn, {\n  normalci: function normalci(value, alpha) {\n    return jStat.normalci(value, alpha, this.toArray());\n  },\n\n  tci: function tci(value, alpha) {\n    return jStat.tci(value, alpha, this.toArray());\n  }\n});\n\n// internal method for calculating the z-score for a difference of proportions test\nfunction differenceOfProportions(p1, n1, p2, n2) {\n  if (p1 > 1 || p2 > 1 || p1 <= 0 || p2 <= 0) {\n    throw new Error(\"Proportions should be greater than 0 and less than 1\")\n  }\n  var pooled = (p1 * n1 + p2 * n2) / (n1 + n2);\n  var se = Math.sqrt(pooled * (1 - pooled) * ((1/n1) + (1/n2)));\n  return (p1 - p2) / se;\n}\n\n// Difference of Proportions\njStat.extend(jStat.fn, {\n  oneSidedDifferenceOfProportions: function oneSidedDifferenceOfProportions(p1, n1, p2, n2) {\n    var z = differenceOfProportions(p1, n1, p2, n2);\n    return jStat.ztest(z, 1);\n  },\n\n  twoSidedDifferenceOfProportions: function twoSidedDifferenceOfProportions(p1, n1, p2, n2) {\n    var z = differenceOfProportions(p1, n1, p2, n2);\n    return jStat.ztest(z, 2);\n  }\n});\n\n}(jStat, Math));\njStat.models = (function(){\n  function sub_regress(exog) {\n    var var_count = exog[0].length;\n    var modelList = jStat.arange(var_count).map(function(endog_index) {\n      var exog_index =\n          jStat.arange(var_count).filter(function(i){return i!==endog_index});\n      return ols(jStat.col(exog, endog_index).map(function(x){ return x[0] }),\n                 jStat.col(exog, exog_index))\n    });\n    return modelList;\n  }\n\n  // do OLS model regress\n  // exog have include const columns ,it will not generate it .In fact, exog is\n  // \"design matrix\" look at\n  //https://en.wikipedia.org/wiki/Design_matrix\n  function ols(endog, exog) {\n    var nobs = endog.length;\n    var df_model = exog[0].length - 1;\n    var df_resid = nobs-df_model - 1;\n    var coef = jStat.lstsq(exog, endog);\n    var predict =\n        jStat.multiply(exog, coef.map(function(x) { return [x] }))\n            .map(function(p) { return p[0] });\n    var resid = jStat.subtract(endog, predict);\n    var ybar = jStat.mean(endog);\n    // constant cause problem\n    // var SST = jStat.sum(endog.map(function(y) {\n    //   return Math.pow(y-ybar,2);\n    // }));\n    var SSE = jStat.sum(predict.map(function(f) {\n      return Math.pow(f - ybar, 2);\n    }));\n    var SSR = jStat.sum(endog.map(function(y, i) {\n      return Math.pow(y - predict[i], 2);\n    }));\n    var SST = SSE + SSR;\n    var R2 = (SSE / SST);\n    return {\n        exog:exog,\n        endog:endog,\n        nobs:nobs,\n        df_model:df_model,\n        df_resid:df_resid,\n        coef:coef,\n        predict:predict,\n        resid:resid,\n        ybar:ybar,\n        SST:SST,\n        SSE:SSE,\n        SSR:SSR,\n        R2:R2\n    };\n  }\n\n  // H0: b_I=0\n  // H1: b_I!=0\n  function t_test(model) {\n    var subModelList = sub_regress(model.exog);\n    //var sigmaHat=jStat.stdev(model.resid);\n    var sigmaHat = Math.sqrt(model.SSR / (model.df_resid));\n    var seBetaHat = subModelList.map(function(mod) {\n      var SST = mod.SST;\n      var R2 = mod.R2;\n      return sigmaHat / Math.sqrt(SST * (1 - R2));\n    });\n    var tStatistic = model.coef.map(function(coef, i) {\n      return (coef - 0) / seBetaHat[i];\n    });\n    var pValue = tStatistic.map(function(t) {\n      var leftppf = jStat.studentt.cdf(t, model.df_resid);\n      return (leftppf > 0.5 ? 1 - leftppf : leftppf) * 2;\n    });\n    var c = jStat.studentt.inv(0.975, model.df_resid);\n    var interval95 = model.coef.map(function(coef, i) {\n      var d = c * seBetaHat[i];\n      return [coef - d, coef + d];\n    })\n    return {\n        se: seBetaHat,\n        t: tStatistic,\n        p: pValue,\n        sigmaHat: sigmaHat,\n        interval95: interval95\n    };\n  }\n\n  function F_test(model) {\n    var F_statistic =\n        (model.R2 / model.df_model) / ((1 - model.R2) / model.df_resid);\n    var fcdf = function(x, n1, n2) {\n      return jStat.beta.cdf(x / (n2 / n1 + x), n1 / 2, n2 / 2)\n    }\n    var pvalue = 1 - fcdf(F_statistic, model.df_model, model.df_resid);\n    return { F_statistic: F_statistic, pvalue: pvalue };\n  }\n\n  function ols_wrap(endog, exog) {\n    var model = ols(endog,exog);\n    var ttest = t_test(model);\n    var ftest = F_test(model);\n    // Provide the Wherry / Ezekiel / McNemar / Cohen Adjusted R^2\n    // Which matches the 'adjusted R^2' provided by R's lm package\n    var adjust_R2 =\n        1 - (1 - model.R2) * ((model.nobs - 1) / (model.df_resid));\n    model.t = ttest;\n    model.f = ftest;\n    model.adjust_R2 = adjust_R2;\n    return model;\n  }\n\n  return { ols: ols_wrap };\n})();\n//To regress, simply build X matrix\n//(append column of 1's) using\n//buildxmatrix and build the Y\n//matrix using buildymatrix\n//(simply the transpose)\n//and run regress.\n\n\n\n//Regressions\n\njStat.extend({\n  buildxmatrix: function buildxmatrix(){\n    //Parameters will be passed in as such\n    //(array1,array2,array3,...)\n    //as (x1,x2,x3,...)\n    //needs to be (1,x1,x2,x3,...)\n    var matrixRows = new Array(arguments.length);\n    for(var i=0;i<arguments.length;i++){\n      var array = [1];\n      matrixRows[i]= array.concat(arguments[i]);\n    }\n    return jStat(matrixRows);\n\n  },\n\n  builddxmatrix: function builddxmatrix() {\n    //Paramters will be passed in as such\n    //([array1,array2,...]\n    var matrixRows = new Array(arguments[0].length);\n    for(var i=0;i<arguments[0].length;i++){\n      var array = [1]\n      matrixRows[i]= array.concat(arguments[0][i]);\n    }\n    return jStat(matrixRows);\n\n  },\n\n  buildjxmatrix: function buildjxmatrix(jMat) {\n    //Builds from jStat Matrix\n    var pass = new Array(jMat.length)\n    for(var i=0;i<jMat.length;i++){\n      pass[i] = jMat[i];\n    }\n    return jStat.builddxmatrix(pass);\n\n  },\n\n  buildymatrix: function buildymatrix(array){\n    return jStat(array).transpose();\n  },\n\n  buildjymatrix: function buildjymatrix(jMat){\n    return jMat.transpose();\n  },\n\n  matrixmult: function matrixmult(A,B){\n    var i, j, k, result, sum;\n    if (A.cols() == B.rows()) {\n      if(B.rows()>1){\n        result = [];\n        for (i = 0; i < A.rows(); i++) {\n          result[i] = [];\n          for (j = 0; j < B.cols(); j++) {\n            sum = 0;\n            for (k = 0; k < A.cols(); k++) {\n              sum += A.toArray()[i][k] * B.toArray()[k][j];\n            }\n            result[i][j] = sum;\n          }\n        }\n        return jStat(result);\n      }\n      result = [];\n      for (i = 0; i < A.rows(); i++) {\n        result[i] = [];\n        for (j = 0; j < B.cols(); j++) {\n          sum = 0;\n          for (k = 0; k < A.cols(); k++) {\n            sum += A.toArray()[i][k] * B.toArray()[j];\n          }\n          result[i][j] = sum;\n        }\n      }\n      return jStat(result);\n    }\n  },\n\n  //regress and regresst to be fixed\n\n  regress: function regress(jMatX,jMatY){\n    //print(\"regressin!\");\n    //print(jMatX.toArray());\n    var innerinv = jStat.xtranspxinv(jMatX);\n    //print(innerinv);\n    var xtransp = jMatX.transpose();\n    var next = jStat.matrixmult(jStat(innerinv),xtransp);\n    return jStat.matrixmult(next,jMatY);\n\n  },\n\n  regresst: function regresst(jMatX,jMatY,sides){\n    var beta = jStat.regress(jMatX,jMatY);\n\n    var compile = {};\n    compile.anova = {};\n    var jMatYBar = jStat.jMatYBar(jMatX, beta);\n    compile.yBar = jMatYBar;\n    var yAverage = jMatY.mean();\n    compile.anova.residuals = jStat.residuals(jMatY, jMatYBar);\n\n    compile.anova.ssr = jStat.ssr(jMatYBar, yAverage);\n    compile.anova.msr = compile.anova.ssr / (jMatX[0].length - 1);\n\n    compile.anova.sse = jStat.sse(jMatY, jMatYBar);\n    compile.anova.mse =\n        compile.anova.sse / (jMatY.length - (jMatX[0].length - 1) - 1);\n\n    compile.anova.sst = jStat.sst(jMatY, yAverage);\n    compile.anova.mst = compile.anova.sst / (jMatY.length - 1);\n\n    compile.anova.r2 = 1 - (compile.anova.sse / compile.anova.sst);\n    if (compile.anova.r2 < 0) compile.anova.r2 = 0;\n\n    compile.anova.fratio = compile.anova.msr / compile.anova.mse;\n    compile.anova.pvalue =\n        jStat.anovaftest(compile.anova.fratio,\n                         jMatX[0].length - 1,\n                         jMatY.length - (jMatX[0].length - 1) - 1);\n\n    compile.anova.rmse = Math.sqrt(compile.anova.mse);\n\n    compile.anova.r2adj = 1 - (compile.anova.mse / compile.anova.mst);\n    if (compile.anova.r2adj < 0) compile.anova.r2adj = 0;\n\n    compile.stats = new Array(jMatX[0].length);\n    var covar = jStat.xtranspxinv(jMatX);\n    var sds, ts, ps;\n\n    for(var i=0; i<beta.length;i++){\n      sds=Math.sqrt(compile.anova.mse * Math.abs(covar[i][i]));\n      ts= Math.abs(beta[i] / sds);\n      ps= jStat.ttest(ts, jMatY.length - jMatX[0].length - 1, sides);\n\n      compile.stats[i]=[beta[i], sds, ts, ps];\n    }\n\n    compile.regress = beta;\n    return compile;\n  },\n\n  xtranspx: function xtranspx(jMatX){\n    return jStat.matrixmult(jMatX.transpose(),jMatX);\n  },\n\n\n  xtranspxinv: function xtranspxinv(jMatX){\n    var inner = jStat.matrixmult(jMatX.transpose(),jMatX);\n    var innerinv = jStat.inv(inner);\n    return innerinv;\n  },\n\n  jMatYBar: function jMatYBar(jMatX, beta) {\n    var yBar = jStat.matrixmult(jMatX, beta);\n    return new jStat(yBar);\n  },\n\n  residuals: function residuals(jMatY, jMatYBar) {\n    return jStat.matrixsubtract(jMatY, jMatYBar);\n  },\n\n  ssr: function ssr(jMatYBar, yAverage) {\n    var ssr = 0;\n    for(var i = 0; i < jMatYBar.length; i++) {\n      ssr += Math.pow(jMatYBar[i] - yAverage, 2);\n    }\n    return ssr;\n  },\n\n  sse: function sse(jMatY, jMatYBar) {\n    var sse = 0;\n    for(var i = 0; i < jMatY.length; i++) {\n      sse += Math.pow(jMatY[i] - jMatYBar[i], 2);\n    }\n    return sse;\n  },\n\n  sst: function sst(jMatY, yAverage) {\n    var sst = 0;\n    for(var i = 0; i < jMatY.length; i++) {\n      sst += Math.pow(jMatY[i] - yAverage, 2);\n    }\n    return sst;\n  },\n\n  matrixsubtract: function matrixsubtract(A,B){\n    var ans = new Array(A.length);\n    for(var i=0;i<A.length;i++){\n      ans[i] = new Array(A[i].length);\n      for(var j=0;j<A[i].length;j++){\n        ans[i][j]=A[i][j]-B[i][j];\n      }\n    }\n    return jStat(ans);\n  }\n});\n  // Make it compatible with previous version.\n  jStat.jStat = jStat;\n\n  return jStat;\n});\n","import { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { Observable } from '../Observable';\nimport { MonoTypeOperatorFunction, TeardownLogic } from '../types';\n\n/**\n * Returns an Observable that skips the first `count` items emitted by the source Observable.\n *\n * ![](skip.png)\n *\n * @param {Number} count - The number of times, items emitted by source Observable should be skipped.\n * @return {Observable} An Observable that skips values emitted by the source Observable.\n *\n * @method skip\n * @owner Observable\n */\nexport function skip<T>(count: number): MonoTypeOperatorFunction<T> {\n  return (source: Observable<T>) => source.lift(new SkipOperator(count));\n}\n\nclass SkipOperator<T> implements Operator<T, T> {\n  constructor(private total: number) {\n  }\n\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    return source.subscribe(new SkipSubscriber(subscriber, this.total));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass SkipSubscriber<T> extends Subscriber<T> {\n  count: number = 0;\n\n  constructor(destination: Subscriber<T>, private total: number) {\n    super(destination);\n  }\n\n  protected _next(x: T) {\n    if (++this.count > this.total) {\n      this.destination.next(x);\n    }\n  }\n}\n","import { Operator } from '../Operator';\nimport { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { ObservableInput, OperatorFunction, ObservedValueOf } from '../types';\nimport { map } from './map';\nimport { from } from '../observable/from';\n\n/* tslint:disable:max-line-length */\nexport function switchMap<T, O extends ObservableInput<any>>(project: (value: T, index: number) => O): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated resultSelector is no longer supported, use inner map instead */\nexport function switchMap<T, O extends ObservableInput<any>>(project: (value: T, index: number) => O, resultSelector: undefined): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated resultSelector is no longer supported, use inner map instead */\nexport function switchMap<T, R, O extends ObservableInput<any>>(project: (value: T, index: number) => O, resultSelector: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R): OperatorFunction<T, R>;\n/* tslint:enable:max-line-length */\n\n/**\n * Projects each source value to an Observable which is merged in the output\n * Observable, emitting values only from the most recently projected Observable.\n *\n * <span class=\"informal\">Maps each value to an Observable, then flattens all of\n * these inner Observables.</span>\n *\n * ![](switchMap.png)\n *\n * Returns an Observable that emits items based on applying a function that you\n * supply to each item emitted by the source Observable, where that function\n * returns an (so-called \"inner\") Observable. Each time it observes one of these\n * inner Observables, the output Observable begins emitting the items emitted by\n * that inner Observable. When a new inner Observable is emitted, `switchMap`\n * stops emitting items from the earlier-emitted inner Observable and begins\n * emitting items from the new one. It continues to behave like this for\n * subsequent inner Observables.\n *\n * ## Example\n * Generate new Observable according to source Observable values\n * ```typescript\n * import { of } from 'rxjs';\n * import { switchMap } from 'rxjs/operators';\n *\n * const switched = of(1, 2, 3).pipe(switchMap((x: number) => of(x, x ** 2, x ** 3)));\n * switched.subscribe(x => console.log(x));\n * // outputs\n * // 1\n * // 1\n * // 1\n * // 2\n * // 4\n * // 8\n * // ... and so on\n * ```\n *\n * Rerun an interval Observable on every click event\n * ```ts\n * import { fromEvent, interval } from 'rxjs';\n * import { switchMap } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(switchMap((ev) => interval(1000)));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link concatMap}\n * @see {@link exhaustMap}\n * @see {@link mergeMap}\n * @see {@link switchAll}\n * @see {@link switchMapTo}\n *\n * @param {function(value: T, ?index: number): ObservableInput} project A function\n * that, when applied to an item emitted by the source Observable, returns an\n * Observable.\n * @return {Observable} An Observable that emits the result of applying the\n * projection function (and the optional deprecated `resultSelector`) to each item\n * emitted by the source Observable and taking only the values from the most recently\n * projected inner Observable.\n * @method switchMap\n * @owner Observable\n */\nexport function switchMap<T, R, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector?: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R,\n): OperatorFunction<T, ObservedValueOf<O>|R> {\n  if (typeof resultSelector === 'function') {\n    return (source: Observable<T>) => source.pipe(\n      switchMap((a, i) => from(project(a, i)).pipe(\n        map((b, ii) => resultSelector(a, b, i, ii))\n      ))\n    );\n  }\n  return (source: Observable<T>) => source.lift(new SwitchMapOperator(project));\n}\n\nclass SwitchMapOperator<T, R> implements Operator<T, R> {\n  constructor(private project: (value: T, index: number) => ObservableInput<R>) {\n  }\n\n  call(subscriber: Subscriber<R>, source: any): any {\n    return source.subscribe(new SwitchMapSubscriber(subscriber, this.project));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass SwitchMapSubscriber<T, R> extends OuterSubscriber<T, R> {\n  private index: number = 0;\n  private innerSubscription: Subscription;\n\n  constructor(destination: Subscriber<R>,\n              private project: (value: T, index: number) => ObservableInput<R>) {\n    super(destination);\n  }\n\n  protected _next(value: T) {\n    let result: ObservableInput<R>;\n    const index = this.index++;\n    try {\n      result = this.project(value, index);\n    } catch (error) {\n      this.destination.error(error);\n      return;\n    }\n    this._innerSub(result, value, index);\n  }\n\n  private _innerSub(result: ObservableInput<R>, value: T, index: number) {\n    const innerSubscription = this.innerSubscription;\n    if (innerSubscription) {\n      innerSubscription.unsubscribe();\n    }\n    const innerSubscriber = new InnerSubscriber(this, value, index);\n    const destination = this.destination as Subscription;\n    destination.add(innerSubscriber);\n    this.innerSubscription = subscribeToResult(this, result, undefined, undefined, innerSubscriber);\n    // The returned subscription will usually be the subscriber that was\n    // passed. However, interop subscribers will be wrapped and for\n    // unsubscriptions to chain correctly, the wrapper needs to be added, too.\n    if (this.innerSubscription !== innerSubscriber) {\n      destination.add(this.innerSubscription);\n    }\n  }\n\n  protected _complete(): void {\n    const {innerSubscription} = this;\n    if (!innerSubscription || innerSubscription.closed) {\n      super._complete();\n    }\n    this.unsubscribe();\n  }\n\n  protected _unsubscribe() {\n    this.innerSubscription = null;\n  }\n\n  notifyComplete(innerSub: Subscription): void {\n    const destination = this.destination as Subscription;\n    destination.remove(innerSub);\n    this.innerSubscription = null;\n    if (this.isStopped) {\n      super._complete();\n    }\n  }\n\n  notifyNext(outerValue: T, innerValue: R,\n             outerIndex: number, innerIndex: number,\n             innerSub: InnerSubscriber<T, R>): void {\n      this.destination.next(innerValue);\n  }\n}\n","import * as imageHelper from '../helper/image';\nimport { extend, retrieve2, retrieve3, reduce } from '../../core/util';\nimport { getLineHeight, getWidth, parsePercent } from '../../contain/text';\nvar STYLE_REG = /\\{([a-zA-Z0-9_]+)\\|([^}]*)\\}/g;\nexport function truncateText(text, containerWidth, font, ellipsis, options) {\n    if (!containerWidth) {\n        return '';\n    }\n    var textLines = (text + '').split('\\n');\n    options = prepareTruncateOptions(containerWidth, font, ellipsis, options);\n    for (var i = 0, len = textLines.length; i < len; i++) {\n        textLines[i] = truncateSingleLine(textLines[i], options);\n    }\n    return textLines.join('\\n');\n}\nfunction prepareTruncateOptions(containerWidth, font, ellipsis, options) {\n    options = options || {};\n    var preparedOpts = extend({}, options);\n    preparedOpts.font = font;\n    ellipsis = retrieve2(ellipsis, '...');\n    preparedOpts.maxIterations = retrieve2(options.maxIterations, 2);\n    var minChar = preparedOpts.minChar = retrieve2(options.minChar, 0);\n    preparedOpts.cnCharWidth = getWidth('国', font);\n    var ascCharWidth = preparedOpts.ascCharWidth = getWidth('a', font);\n    preparedOpts.placeholder = retrieve2(options.placeholder, '');\n    var contentWidth = containerWidth = Math.max(0, containerWidth - 1);\n    for (var i = 0; i < minChar && contentWidth >= ascCharWidth; i++) {\n        contentWidth -= ascCharWidth;\n    }\n    var ellipsisWidth = getWidth(ellipsis, font);\n    if (ellipsisWidth > contentWidth) {\n        ellipsis = '';\n        ellipsisWidth = 0;\n    }\n    contentWidth = containerWidth - ellipsisWidth;\n    preparedOpts.ellipsis = ellipsis;\n    preparedOpts.ellipsisWidth = ellipsisWidth;\n    preparedOpts.contentWidth = contentWidth;\n    preparedOpts.containerWidth = containerWidth;\n    return preparedOpts;\n}\nfunction truncateSingleLine(textLine, options) {\n    var containerWidth = options.containerWidth;\n    var font = options.font;\n    var contentWidth = options.contentWidth;\n    if (!containerWidth) {\n        return '';\n    }\n    var lineWidth = getWidth(textLine, font);\n    if (lineWidth <= containerWidth) {\n        return textLine;\n    }\n    for (var j = 0;; j++) {\n        if (lineWidth <= contentWidth || j >= options.maxIterations) {\n            textLine += options.ellipsis;\n            break;\n        }\n        var subLength = j === 0\n            ? estimateLength(textLine, contentWidth, options.ascCharWidth, options.cnCharWidth)\n            : lineWidth > 0\n                ? Math.floor(textLine.length * contentWidth / lineWidth)\n                : 0;\n        textLine = textLine.substr(0, subLength);\n        lineWidth = getWidth(textLine, font);\n    }\n    if (textLine === '') {\n        textLine = options.placeholder;\n    }\n    return textLine;\n}\nfunction estimateLength(text, contentWidth, ascCharWidth, cnCharWidth) {\n    var width = 0;\n    var i = 0;\n    for (var len = text.length; i < len && width < contentWidth; i++) {\n        var charCode = text.charCodeAt(i);\n        width += (0 <= charCode && charCode <= 127) ? ascCharWidth : cnCharWidth;\n    }\n    return i;\n}\nexport function parsePlainText(text, style) {\n    text != null && (text += '');\n    var overflow = style.overflow;\n    var padding = style.padding;\n    var font = style.font;\n    var truncate = overflow === 'truncate';\n    var calculatedLineHeight = getLineHeight(font);\n    var lineHeight = retrieve2(style.lineHeight, calculatedLineHeight);\n    var truncateLineOverflow = style.lineOverflow === 'truncate';\n    var width = style.width;\n    var lines;\n    if (width != null && overflow === 'break' || overflow === 'breakAll') {\n        lines = text ? wrapText(text, style.font, width, overflow === 'breakAll', 0).lines : [];\n    }\n    else {\n        lines = text ? text.split('\\n') : [];\n    }\n    var contentHeight = lines.length * lineHeight;\n    var height = retrieve2(style.height, contentHeight);\n    if (contentHeight > height && truncateLineOverflow) {\n        var lineCount = Math.floor(height / lineHeight);\n        lines = lines.slice(0, lineCount);\n    }\n    var outerHeight = height;\n    var outerWidth = width;\n    if (padding) {\n        outerHeight += padding[0] + padding[2];\n        if (outerWidth != null) {\n            outerWidth += padding[1] + padding[3];\n        }\n    }\n    if (text && truncate && outerWidth != null) {\n        var options = prepareTruncateOptions(width, font, style.ellipsis, {\n            minChar: style.truncateMinChar,\n            placeholder: style.placeholder\n        });\n        for (var i = 0; i < lines.length; i++) {\n            lines[i] = truncateSingleLine(lines[i], options);\n        }\n    }\n    if (width == null) {\n        var maxWidth = 0;\n        for (var i = 0; i < lines.length; i++) {\n            maxWidth = Math.max(getWidth(lines[i], font), maxWidth);\n        }\n        width = maxWidth;\n    }\n    return {\n        lines: lines,\n        height: height,\n        outerHeight: outerHeight,\n        lineHeight: lineHeight,\n        calculatedLineHeight: calculatedLineHeight,\n        contentHeight: contentHeight,\n        width: width\n    };\n}\nvar RichTextToken = (function () {\n    function RichTextToken() {\n    }\n    return RichTextToken;\n}());\nvar RichTextLine = (function () {\n    function RichTextLine(tokens) {\n        this.tokens = [];\n        if (tokens) {\n            this.tokens = tokens;\n        }\n    }\n    return RichTextLine;\n}());\nvar RichTextContentBlock = (function () {\n    function RichTextContentBlock() {\n        this.width = 0;\n        this.height = 0;\n        this.contentWidth = 0;\n        this.contentHeight = 0;\n        this.outerWidth = 0;\n        this.outerHeight = 0;\n        this.lines = [];\n    }\n    return RichTextContentBlock;\n}());\nexport { RichTextContentBlock };\nexport function parseRichText(text, style) {\n    var contentBlock = new RichTextContentBlock();\n    text != null && (text += '');\n    if (!text) {\n        return contentBlock;\n    }\n    var topWidth = style.width;\n    var topHeight = style.height;\n    var overflow = style.overflow;\n    var wrapInfo = (overflow === 'break' || overflow === 'breakAll') && topWidth != null\n        ? { width: topWidth, accumWidth: 0, breakAll: overflow === 'breakAll' }\n        : null;\n    var lastIndex = STYLE_REG.lastIndex = 0;\n    var result;\n    while ((result = STYLE_REG.exec(text)) != null) {\n        var matchedIndex = result.index;\n        if (matchedIndex > lastIndex) {\n            pushTokens(contentBlock, text.substring(lastIndex, matchedIndex), style, wrapInfo);\n        }\n        pushTokens(contentBlock, result[2], style, wrapInfo, result[1]);\n        lastIndex = STYLE_REG.lastIndex;\n    }\n    if (lastIndex < text.length) {\n        pushTokens(contentBlock, text.substring(lastIndex, text.length), style, wrapInfo);\n    }\n    var pendingList = [];\n    var calculatedHeight = 0;\n    var calculatedWidth = 0;\n    var stlPadding = style.padding;\n    var truncate = overflow === 'truncate';\n    var truncateLine = style.lineOverflow === 'truncate';\n    function finishLine(line, lineWidth, lineHeight) {\n        line.width = lineWidth;\n        line.lineHeight = lineHeight;\n        calculatedHeight += lineHeight;\n        calculatedWidth = Math.max(calculatedWidth, lineWidth);\n    }\n    outer: for (var i = 0; i < contentBlock.lines.length; i++) {\n        var line = contentBlock.lines[i];\n        var lineHeight = 0;\n        var lineWidth = 0;\n        for (var j = 0; j < line.tokens.length; j++) {\n            var token = line.tokens[j];\n            var tokenStyle = token.styleName && style.rich[token.styleName] || {};\n            var textPadding = token.textPadding = tokenStyle.padding;\n            var paddingH = textPadding ? textPadding[1] + textPadding[3] : 0;\n            var font = token.font = tokenStyle.font || style.font;\n            token.contentHeight = getLineHeight(font);\n            var tokenHeight = retrieve2(tokenStyle.height, token.contentHeight);\n            token.innerHeight = tokenHeight;\n            textPadding && (tokenHeight += textPadding[0] + textPadding[2]);\n            token.height = tokenHeight;\n            token.lineHeight = retrieve3(tokenStyle.lineHeight, style.lineHeight, tokenHeight);\n            token.align = tokenStyle && tokenStyle.align || style.align;\n            token.verticalAlign = tokenStyle && tokenStyle.verticalAlign || 'middle';\n            if (truncateLine && topHeight != null && calculatedHeight + token.lineHeight > topHeight) {\n                if (j > 0) {\n                    line.tokens = line.tokens.slice(0, j);\n                    finishLine(line, lineWidth, lineHeight);\n                    contentBlock.lines = contentBlock.lines.slice(0, i + 1);\n                }\n                else {\n                    contentBlock.lines = contentBlock.lines.slice(0, i);\n                }\n                break outer;\n            }\n            var styleTokenWidth = tokenStyle.width;\n            var tokenWidthNotSpecified = styleTokenWidth == null || styleTokenWidth === 'auto';\n            if (typeof styleTokenWidth === 'string' && styleTokenWidth.charAt(styleTokenWidth.length - 1) === '%') {\n                token.percentWidth = styleTokenWidth;\n                pendingList.push(token);\n                token.contentWidth = getWidth(token.text, font);\n            }\n            else {\n                if (tokenWidthNotSpecified) {\n                    var textBackgroundColor = tokenStyle.backgroundColor;\n                    var bgImg = textBackgroundColor && textBackgroundColor.image;\n                    if (bgImg) {\n                        bgImg = imageHelper.findExistImage(bgImg);\n                        if (imageHelper.isImageReady(bgImg)) {\n                            token.width = Math.max(token.width, bgImg.width * tokenHeight / bgImg.height);\n                        }\n                    }\n                }\n                var remainTruncWidth = truncate && topWidth != null\n                    ? topWidth - lineWidth : null;\n                if (remainTruncWidth != null && remainTruncWidth < token.width) {\n                    if (!tokenWidthNotSpecified || remainTruncWidth < paddingH) {\n                        token.text = '';\n                        token.width = token.contentWidth = 0;\n                    }\n                    else {\n                        token.text = truncateText(token.text, remainTruncWidth - paddingH, font, style.ellipsis, { minChar: style.truncateMinChar });\n                        token.width = token.contentWidth = getWidth(token.text, font);\n                    }\n                }\n                else {\n                    token.contentWidth = getWidth(token.text, font);\n                }\n            }\n            token.width += paddingH;\n            lineWidth += token.width;\n            tokenStyle && (lineHeight = Math.max(lineHeight, token.lineHeight));\n        }\n        finishLine(line, lineWidth, lineHeight);\n    }\n    contentBlock.outerWidth = contentBlock.width = retrieve2(topWidth, calculatedWidth);\n    contentBlock.outerHeight = contentBlock.height = retrieve2(topHeight, calculatedHeight);\n    contentBlock.contentHeight = calculatedHeight;\n    contentBlock.contentWidth = calculatedWidth;\n    if (stlPadding) {\n        contentBlock.outerWidth += stlPadding[1] + stlPadding[3];\n        contentBlock.outerHeight += stlPadding[0] + stlPadding[2];\n    }\n    for (var i = 0; i < pendingList.length; i++) {\n        var token = pendingList[i];\n        var percentWidth = token.percentWidth;\n        token.width = parseInt(percentWidth, 10) / 100 * contentBlock.width;\n    }\n    return contentBlock;\n}\nfunction pushTokens(block, str, style, wrapInfo, styleName) {\n    var isEmptyStr = str === '';\n    var tokenStyle = styleName && style.rich[styleName] || {};\n    var lines = block.lines;\n    var font = tokenStyle.font || style.font;\n    var newLine = false;\n    var strLines;\n    var linesWidths;\n    if (wrapInfo) {\n        var tokenPadding = tokenStyle.padding;\n        var tokenPaddingH = tokenPadding ? tokenPadding[1] + tokenPadding[3] : 0;\n        if (tokenStyle.width != null && tokenStyle.width !== 'auto') {\n            var outerWidth_1 = parsePercent(tokenStyle.width, wrapInfo.width) + tokenPaddingH;\n            if (lines.length > 0) {\n                if (outerWidth_1 + wrapInfo.accumWidth > wrapInfo.width) {\n                    strLines = str.split('\\n');\n                    newLine = true;\n                }\n            }\n            wrapInfo.accumWidth = outerWidth_1;\n        }\n        else {\n            var res = wrapText(str, font, wrapInfo.width, wrapInfo.breakAll, wrapInfo.accumWidth);\n            wrapInfo.accumWidth = res.accumWidth + tokenPaddingH;\n            linesWidths = res.linesWidths;\n            strLines = res.lines;\n        }\n    }\n    else {\n        strLines = str.split('\\n');\n    }\n    for (var i = 0; i < strLines.length; i++) {\n        var text = strLines[i];\n        var token = new RichTextToken();\n        token.styleName = styleName;\n        token.text = text;\n        token.isLineHolder = !text && !isEmptyStr;\n        if (typeof tokenStyle.width === 'number') {\n            token.width = tokenStyle.width;\n        }\n        else {\n            token.width = linesWidths\n                ? linesWidths[i]\n                : getWidth(text, font);\n        }\n        if (!i && !newLine) {\n            var tokens = (lines[lines.length - 1] || (lines[0] = new RichTextLine())).tokens;\n            var tokensLen = tokens.length;\n            (tokensLen === 1 && tokens[0].isLineHolder)\n                ? (tokens[0] = token)\n                : ((text || !tokensLen || isEmptyStr) && tokens.push(token));\n        }\n        else {\n            lines.push(new RichTextLine([token]));\n        }\n    }\n}\nfunction isLatin(ch) {\n    var code = ch.charCodeAt(0);\n    return code >= 0x21 && code <= 0xFF;\n}\nvar breakCharMap = reduce(',&?/;] '.split(''), function (obj, ch) {\n    obj[ch] = true;\n    return obj;\n}, {});\nfunction isWordBreakChar(ch) {\n    if (isLatin(ch)) {\n        if (breakCharMap[ch]) {\n            return true;\n        }\n        return false;\n    }\n    return true;\n}\nfunction wrapText(text, font, lineWidth, isBreakAll, lastAccumWidth) {\n    var lines = [];\n    var linesWidths = [];\n    var line = '';\n    var currentWord = '';\n    var currentWordWidth = 0;\n    var accumWidth = 0;\n    for (var i = 0; i < text.length; i++) {\n        var ch = text.charAt(i);\n        if (ch === '\\n') {\n            if (currentWord) {\n                line += currentWord;\n                accumWidth += currentWordWidth;\n            }\n            lines.push(line);\n            linesWidths.push(accumWidth);\n            line = '';\n            currentWord = '';\n            currentWordWidth = 0;\n            accumWidth = 0;\n            continue;\n        }\n        var chWidth = getWidth(ch, font);\n        var inWord = isBreakAll ? false : !isWordBreakChar(ch);\n        if (!lines.length\n            ? lastAccumWidth + accumWidth + chWidth > lineWidth\n            : accumWidth + chWidth > lineWidth) {\n            if (!accumWidth) {\n                if (inWord) {\n                    lines.push(currentWord);\n                    linesWidths.push(currentWordWidth);\n                    currentWord = ch;\n                    currentWordWidth = chWidth;\n                }\n                else {\n                    lines.push(ch);\n                    linesWidths.push(chWidth);\n                }\n            }\n            else if (line || currentWord) {\n                if (inWord) {\n                    if (!line) {\n                        line = currentWord;\n                        currentWord = '';\n                        currentWordWidth = 0;\n                        accumWidth = currentWordWidth;\n                    }\n                    lines.push(line);\n                    linesWidths.push(accumWidth - currentWordWidth);\n                    currentWord += ch;\n                    currentWordWidth += chWidth;\n                    line = '';\n                    accumWidth = currentWordWidth;\n                }\n                else {\n                    if (currentWord) {\n                        line += currentWord;\n                        accumWidth += currentWordWidth;\n                        currentWord = '';\n                        currentWordWidth = 0;\n                    }\n                    lines.push(line);\n                    linesWidths.push(accumWidth);\n                    line = ch;\n                    accumWidth = chWidth;\n                }\n            }\n            continue;\n        }\n        accumWidth += chWidth;\n        if (inWord) {\n            currentWord += ch;\n            currentWordWidth += chWidth;\n        }\n        else {\n            if (currentWord) {\n                line += currentWord;\n                currentWord = '';\n                currentWordWidth = 0;\n            }\n            line += ch;\n        }\n    }\n    if (!lines.length && !line) {\n        line = text;\n        currentWord = '';\n        currentWordWidth = 0;\n    }\n    if (currentWord) {\n        line += currentWord;\n    }\n    if (line) {\n        lines.push(line);\n        linesWidths.push(accumWidth);\n    }\n    if (lines.length === 1) {\n        accumWidth += lastAccumWidth;\n    }\n    return {\n        accumWidth: accumWidth,\n        lines: lines,\n        linesWidths: linesWidths\n    };\n}\n","import { __extends } from \"tslib\";\nimport Path from '../Path';\nimport * as polyHelper from '../helper/poly';\nvar PolylineShape = (function () {\n    function PolylineShape() {\n        this.points = null;\n        this.percent = 1;\n        this.smooth = 0;\n        this.smoothConstraint = null;\n    }\n    return PolylineShape;\n}());\nexport { PolylineShape };\nvar Polyline = (function (_super) {\n    __extends(Polyline, _super);\n    function Polyline(opts) {\n        return _super.call(this, opts) || this;\n    }\n    Polyline.prototype.getDefaultStyle = function () {\n        return {\n            stroke: '#000',\n            fill: null\n        };\n    };\n    Polyline.prototype.getDefaultShape = function () {\n        return new PolylineShape();\n    };\n    Polyline.prototype.buildPath = function (ctx, shape) {\n        polyHelper.buildPath(ctx, shape, false);\n    };\n    return Polyline;\n}(Path));\nPolyline.prototype.type = 'polyline';\nexport default Polyline;\n","import { __extends } from \"tslib\";\nimport Path from './Path';\nvar CompoundPath = (function (_super) {\n    __extends(CompoundPath, _super);\n    function CompoundPath() {\n        var _this = _super !== null && _super.apply(this, arguments) || this;\n        _this.type = 'compound';\n        return _this;\n    }\n    CompoundPath.prototype._updatePathDirty = function () {\n        var paths = this.shape.paths;\n        var dirtyPath = this.shapeChanged();\n        for (var i = 0; i < paths.length; i++) {\n            dirtyPath = dirtyPath || paths[i].shapeChanged();\n        }\n        if (dirtyPath) {\n            this.dirtyShape();\n        }\n    };\n    CompoundPath.prototype.beforeBrush = function () {\n        this._updatePathDirty();\n        var paths = this.shape.paths || [];\n        var scale = this.getGlobalScale();\n        for (var i = 0; i < paths.length; i++) {\n            if (!paths[i].path) {\n                paths[i].createPathProxy();\n            }\n            paths[i].path.setScale(scale[0], scale[1], paths[i].segmentIgnoreThreshold);\n        }\n    };\n    CompoundPath.prototype.buildPath = function (ctx, shape) {\n        var paths = shape.paths || [];\n        for (var i = 0; i < paths.length; i++) {\n            paths[i].buildPath(ctx, paths[i].shape, true);\n        }\n    };\n    CompoundPath.prototype.afterBrush = function () {\n        var paths = this.shape.paths || [];\n        for (var i = 0; i < paths.length; i++) {\n            paths[i].pathUpdated();\n        }\n    };\n    CompoundPath.prototype.getBoundingRect = function () {\n        this._updatePathDirty.call(this);\n        return Path.prototype.getBoundingRect.call(this);\n    };\n    return CompoundPath;\n}(Path));\nexport default CompoundPath;\n","var Entry = (function () {\n    function Entry(val) {\n        this.value = val;\n    }\n    return Entry;\n}());\nexport { Entry };\nvar LinkedList = (function () {\n    function LinkedList() {\n        this._len = 0;\n    }\n    LinkedList.prototype.insert = function (val) {\n        var entry = new Entry(val);\n        this.insertEntry(entry);\n        return entry;\n    };\n    LinkedList.prototype.insertEntry = function (entry) {\n        if (!this.head) {\n            this.head = this.tail = entry;\n        }\n        else {\n            this.tail.next = entry;\n            entry.prev = this.tail;\n            entry.next = null;\n            this.tail = entry;\n        }\n        this._len++;\n    };\n    LinkedList.prototype.remove = function (entry) {\n        var prev = entry.prev;\n        var next = entry.next;\n        if (prev) {\n            prev.next = next;\n        }\n        else {\n            this.head = next;\n        }\n        if (next) {\n            next.prev = prev;\n        }\n        else {\n            this.tail = prev;\n        }\n        entry.next = entry.prev = null;\n        this._len--;\n    };\n    LinkedList.prototype.len = function () {\n        return this._len;\n    };\n    LinkedList.prototype.clear = function () {\n        this.head = this.tail = null;\n        this._len = 0;\n    };\n    return LinkedList;\n}());\nexport { LinkedList };\nvar LRU = (function () {\n    function LRU(maxSize) {\n        this._list = new LinkedList();\n        this._maxSize = 10;\n        this._map = {};\n        this._maxSize = maxSize;\n    }\n    LRU.prototype.put = function (key, value) {\n        var list = this._list;\n        var map = this._map;\n        var removed = null;\n        if (map[key] == null) {\n            var len = list.len();\n            var entry = this._lastRemovedEntry;\n            if (len >= this._maxSize && len > 0) {\n                var leastUsedEntry = list.head;\n                list.remove(leastUsedEntry);\n                delete map[leastUsedEntry.key];\n                removed = leastUsedEntry.value;\n                this._lastRemovedEntry = leastUsedEntry;\n            }\n            if (entry) {\n                entry.value = value;\n            }\n            else {\n                entry = new Entry(value);\n            }\n            entry.key = key;\n            list.insertEntry(entry);\n            map[key] = entry;\n        }\n        return removed;\n    };\n    LRU.prototype.get = function (key) {\n        var entry = this._map[key];\n        var list = this._list;\n        if (entry != null) {\n            if (entry !== list.tail) {\n                list.remove(entry);\n                list.insertEntry(entry);\n            }\n            return entry.value;\n        }\n    };\n    LRU.prototype.clear = function () {\n        this._list.clear();\n        this._map = {};\n    };\n    LRU.prototype.len = function () {\n        return this._list.len();\n    };\n    return LRU;\n}());\nexport default LRU;\n","import Transformable from './core/Transformable';\nimport Animator, { cloneValue } from './animation/Animator';\nimport BoundingRect from './core/BoundingRect';\nimport Eventful from './core/Eventful';\nimport { calculateTextPosition, parsePercent } from './contain/text';\nimport { guid, isObject, keys, extend, indexOf, logError, mixin, isArrayLike, isTypedArray } from './core/util';\nimport { LIGHT_LABEL_COLOR, DARK_LABEL_COLOR } from './config';\nimport { parse, stringify } from './tool/color';\nimport env from './core/env';\nexport var PRESERVED_NORMAL_STATE = '__zr_normal__';\nvar PRIMARY_STATES_KEYS = ['x', 'y', 'scaleX', 'scaleY', 'originX', 'originY', 'rotation', 'ignore'];\nvar DEFAULT_ANIMATABLE_MAP = {\n    x: true,\n    y: true,\n    scaleX: true,\n    scaleY: true,\n    originX: true,\n    originY: true,\n    rotation: true,\n    ignore: false\n};\nvar tmpTextPosCalcRes = {};\nvar tmpBoundingRect = new BoundingRect(0, 0, 0, 0);\nvar Element = (function () {\n    function Element(props) {\n        this.id = guid();\n        this.animators = [];\n        this.currentStates = [];\n        this.states = {};\n        this._init(props);\n    }\n    Element.prototype._init = function (props) {\n        this.attr(props);\n    };\n    Element.prototype.drift = function (dx, dy, e) {\n        switch (this.draggable) {\n            case 'horizontal':\n                dy = 0;\n                break;\n            case 'vertical':\n                dx = 0;\n                break;\n        }\n        var m = this.transform;\n        if (!m) {\n            m = this.transform = [1, 0, 0, 1, 0, 0];\n        }\n        m[4] += dx;\n        m[5] += dy;\n        this.decomposeTransform();\n        this.markRedraw();\n    };\n    Element.prototype.beforeUpdate = function () { };\n    Element.prototype.afterUpdate = function () { };\n    Element.prototype.update = function () {\n        this.updateTransform();\n        if (this.__dirty) {\n            this.updateInnerText();\n        }\n    };\n    Element.prototype.updateInnerText = function (forceUpdate) {\n        var textEl = this._textContent;\n        if (textEl && (!textEl.ignore || forceUpdate)) {\n            if (!this.textConfig) {\n                this.textConfig = {};\n            }\n            var textConfig = this.textConfig;\n            var isLocal = textConfig.local;\n            var attachedTransform = textEl.attachedTransform;\n            var textAlign = void 0;\n            var textVerticalAlign = void 0;\n            var textStyleChanged = false;\n            if (isLocal) {\n                attachedTransform.parent = this;\n            }\n            else {\n                attachedTransform.parent = null;\n            }\n            var innerOrigin = false;\n            attachedTransform.x = textEl.x;\n            attachedTransform.y = textEl.y;\n            attachedTransform.originX = textEl.originX;\n            attachedTransform.originY = textEl.originY;\n            attachedTransform.rotation = textEl.rotation;\n            attachedTransform.scaleX = textEl.scaleX;\n            attachedTransform.scaleY = textEl.scaleY;\n            if (textConfig.position != null) {\n                var layoutRect = tmpBoundingRect;\n                if (textConfig.layoutRect) {\n                    layoutRect.copy(textConfig.layoutRect);\n                }\n                else {\n                    layoutRect.copy(this.getBoundingRect());\n                }\n                if (!isLocal) {\n                    layoutRect.applyTransform(this.transform);\n                }\n                if (this.calculateTextPosition) {\n                    this.calculateTextPosition(tmpTextPosCalcRes, textConfig, layoutRect);\n                }\n                else {\n                    calculateTextPosition(tmpTextPosCalcRes, textConfig, layoutRect);\n                }\n                attachedTransform.x = tmpTextPosCalcRes.x;\n                attachedTransform.y = tmpTextPosCalcRes.y;\n                textAlign = tmpTextPosCalcRes.align;\n                textVerticalAlign = tmpTextPosCalcRes.verticalAlign;\n                var textOrigin = textConfig.origin;\n                if (textOrigin && textConfig.rotation != null) {\n                    var relOriginX = void 0;\n                    var relOriginY = void 0;\n                    if (textOrigin === 'center') {\n                        relOriginX = layoutRect.width * 0.5;\n                        relOriginY = layoutRect.height * 0.5;\n                    }\n                    else {\n                        relOriginX = parsePercent(textOrigin[0], layoutRect.width);\n                        relOriginY = parsePercent(textOrigin[1], layoutRect.height);\n                    }\n                    innerOrigin = true;\n                    attachedTransform.originX = -attachedTransform.x + relOriginX + (isLocal ? 0 : layoutRect.x);\n                    attachedTransform.originY = -attachedTransform.y + relOriginY + (isLocal ? 0 : layoutRect.y);\n                }\n            }\n            if (textConfig.rotation != null) {\n                attachedTransform.rotation = textConfig.rotation;\n            }\n            var textOffset = textConfig.offset;\n            if (textOffset) {\n                attachedTransform.x += textOffset[0];\n                attachedTransform.y += textOffset[1];\n                if (!innerOrigin) {\n                    attachedTransform.originX = -textOffset[0];\n                    attachedTransform.originY = -textOffset[1];\n                }\n            }\n            var isInside = textConfig.inside == null\n                ? (typeof textConfig.position === 'string' && textConfig.position.indexOf('inside') >= 0)\n                : textConfig.inside;\n            var innerTextDefaultStyle = this._innerTextDefaultStyle || (this._innerTextDefaultStyle = {});\n            var textFill = void 0;\n            var textStroke = void 0;\n            var autoStroke = void 0;\n            if (isInside && this.canBeInsideText()) {\n                textFill = textConfig.insideFill;\n                textStroke = textConfig.insideStroke;\n                if (textFill == null || textFill === 'auto') {\n                    textFill = this.getInsideTextFill();\n                }\n                if (textStroke == null || textStroke === 'auto') {\n                    textStroke = this.getInsideTextStroke(textFill);\n                    autoStroke = true;\n                }\n            }\n            else {\n                textFill = textConfig.outsideFill;\n                textStroke = textConfig.outsideStroke;\n                if (textFill == null || textFill === 'auto') {\n                    textFill = this.getOutsideFill();\n                }\n                if (textStroke == null || textStroke === 'auto') {\n                    textStroke = this.getOutsideStroke(textFill);\n                    autoStroke = true;\n                }\n            }\n            textFill = textFill || '#000';\n            if (textFill !== innerTextDefaultStyle.fill\n                || textStroke !== innerTextDefaultStyle.stroke\n                || autoStroke !== innerTextDefaultStyle.autoStroke\n                || textAlign !== innerTextDefaultStyle.align\n                || textVerticalAlign !== innerTextDefaultStyle.verticalAlign) {\n                textStyleChanged = true;\n                innerTextDefaultStyle.fill = textFill;\n                innerTextDefaultStyle.stroke = textStroke;\n                innerTextDefaultStyle.autoStroke = autoStroke;\n                innerTextDefaultStyle.align = textAlign;\n                innerTextDefaultStyle.verticalAlign = textVerticalAlign;\n                textEl.setDefaultTextStyle(innerTextDefaultStyle);\n            }\n            if (textStyleChanged) {\n                textEl.dirtyStyle();\n            }\n            textEl.markRedraw();\n        }\n    };\n    Element.prototype.canBeInsideText = function () {\n        return true;\n    };\n    Element.prototype.getInsideTextFill = function () {\n        return '#fff';\n    };\n    Element.prototype.getInsideTextStroke = function (textFill) {\n        return '#000';\n    };\n    Element.prototype.getOutsideFill = function () {\n        return this.__zr && this.__zr.isDarkMode() ? LIGHT_LABEL_COLOR : DARK_LABEL_COLOR;\n    };\n    Element.prototype.getOutsideStroke = function (textFill) {\n        var backgroundColor = this.__zr && this.__zr.getBackgroundColor();\n        var colorArr = typeof backgroundColor === 'string' && parse(backgroundColor);\n        if (!colorArr) {\n            colorArr = [255, 255, 255, 1];\n        }\n        var alpha = colorArr[3];\n        var isDark = this.__zr.isDarkMode();\n        for (var i = 0; i < 3; i++) {\n            colorArr[i] = colorArr[i] * alpha + (isDark ? 0 : 255) * (1 - alpha);\n        }\n        colorArr[3] = 1;\n        return stringify(colorArr, 'rgba');\n    };\n    Element.prototype.traverse = function (cb, context) { };\n    Element.prototype.attrKV = function (key, value) {\n        if (key === 'textConfig') {\n            this.setTextConfig(value);\n        }\n        else if (key === 'textContent') {\n            this.setTextContent(value);\n        }\n        else if (key === 'clipPath') {\n            this.setClipPath(value);\n        }\n        else if (key === 'extra') {\n            this.extra = this.extra || {};\n            extend(this.extra, value);\n        }\n        else {\n            this[key] = value;\n        }\n    };\n    Element.prototype.hide = function () {\n        this.ignore = true;\n        this.markRedraw();\n    };\n    Element.prototype.show = function () {\n        this.ignore = false;\n        this.markRedraw();\n    };\n    Element.prototype.attr = function (keyOrObj, value) {\n        if (typeof keyOrObj === 'string') {\n            this.attrKV(keyOrObj, value);\n        }\n        else if (isObject(keyOrObj)) {\n            var obj = keyOrObj;\n            var keysArr = keys(obj);\n            for (var i = 0; i < keysArr.length; i++) {\n                var key = keysArr[i];\n                this.attrKV(key, keyOrObj[key]);\n            }\n        }\n        this.markRedraw();\n        return this;\n    };\n    Element.prototype.saveCurrentToNormalState = function (toState) {\n        this._innerSaveToNormal(toState);\n        var normalState = this._normalState;\n        for (var i = 0; i < this.animators.length; i++) {\n            var animator = this.animators[i];\n            var fromStateTransition = animator.__fromStateTransition;\n            if (fromStateTransition && fromStateTransition !== PRESERVED_NORMAL_STATE) {\n                continue;\n            }\n            var targetName = animator.targetName;\n            var target = targetName\n                ? normalState[targetName] : normalState;\n            animator.saveFinalToTarget(target);\n        }\n    };\n    Element.prototype._innerSaveToNormal = function (toState) {\n        var normalState = this._normalState;\n        if (!normalState) {\n            normalState = this._normalState = {};\n        }\n        if (toState.textConfig && !normalState.textConfig) {\n            normalState.textConfig = this.textConfig;\n        }\n        this._savePrimaryToNormal(toState, normalState, PRIMARY_STATES_KEYS);\n    };\n    Element.prototype._savePrimaryToNormal = function (toState, normalState, primaryKeys) {\n        for (var i = 0; i < primaryKeys.length; i++) {\n            var key = primaryKeys[i];\n            if (toState[key] != null && !(key in normalState)) {\n                normalState[key] = this[key];\n            }\n        }\n    };\n    Element.prototype.hasState = function () {\n        return this.currentStates.length > 0;\n    };\n    Element.prototype.getState = function (name) {\n        return this.states[name];\n    };\n    Element.prototype.ensureState = function (name) {\n        var states = this.states;\n        if (!states[name]) {\n            states[name] = {};\n        }\n        return states[name];\n    };\n    Element.prototype.clearStates = function (noAnimation) {\n        this.useState(PRESERVED_NORMAL_STATE, false, noAnimation);\n    };\n    Element.prototype.useState = function (stateName, keepCurrentStates, noAnimation) {\n        var toNormalState = stateName === PRESERVED_NORMAL_STATE;\n        var hasStates = this.hasState();\n        if (!hasStates && toNormalState) {\n            return;\n        }\n        var currentStates = this.currentStates;\n        var animationCfg = this.stateTransition;\n        if (indexOf(currentStates, stateName) >= 0 && (keepCurrentStates || currentStates.length === 1)) {\n            return;\n        }\n        var state;\n        if (this.stateProxy && !toNormalState) {\n            state = this.stateProxy(stateName);\n        }\n        if (!state) {\n            state = (this.states && this.states[stateName]);\n        }\n        if (!state && !toNormalState) {\n            logError(\"State \" + stateName + \" not exists.\");\n            return;\n        }\n        if (!toNormalState) {\n            this.saveCurrentToNormalState(state);\n        }\n        var useHoverLayer = !!(state && state.hoverLayer);\n        if (useHoverLayer) {\n            this._toggleHoverLayerFlag(true);\n        }\n        this._applyStateObj(stateName, state, this._normalState, keepCurrentStates, !noAnimation && !this.__inHover && animationCfg && animationCfg.duration > 0, animationCfg);\n        if (this._textContent) {\n            this._textContent.useState(stateName, keepCurrentStates);\n        }\n        if (this._textGuide) {\n            this._textGuide.useState(stateName, keepCurrentStates);\n        }\n        if (toNormalState) {\n            this.currentStates = [];\n            this._normalState = {};\n        }\n        else {\n            if (!keepCurrentStates) {\n                this.currentStates = [stateName];\n            }\n            else {\n                this.currentStates.push(stateName);\n            }\n        }\n        this._updateAnimationTargets();\n        this.markRedraw();\n        if (!useHoverLayer && this.__inHover) {\n            this._toggleHoverLayerFlag(false);\n            this.__dirty &= ~Element.REDARAW_BIT;\n        }\n        return state;\n    };\n    Element.prototype.useStates = function (states, noAnimation) {\n        if (!states.length) {\n            this.clearStates();\n        }\n        else {\n            var stateObjects = [];\n            var currentStates = this.currentStates;\n            var len = states.length;\n            var notChange = len === currentStates.length;\n            if (notChange) {\n                for (var i = 0; i < len; i++) {\n                    if (states[i] !== currentStates[i]) {\n                        notChange = false;\n                        break;\n                    }\n                }\n            }\n            if (notChange) {\n                return;\n            }\n            for (var i = 0; i < len; i++) {\n                var stateName = states[i];\n                var stateObj = void 0;\n                if (this.stateProxy) {\n                    stateObj = this.stateProxy(stateName, states);\n                }\n                if (!stateObj) {\n                    stateObj = this.states[stateName];\n                }\n                if (stateObj) {\n                    stateObjects.push(stateObj);\n                }\n            }\n            var useHoverLayer = !!(stateObjects[len - 1] && stateObjects[len - 1].hoverLayer);\n            if (useHoverLayer) {\n                this._toggleHoverLayerFlag(true);\n            }\n            var mergedState = this._mergeStates(stateObjects);\n            var animationCfg = this.stateTransition;\n            this.saveCurrentToNormalState(mergedState);\n            this._applyStateObj(states.join(','), mergedState, this._normalState, false, !noAnimation && !this.__inHover && animationCfg && animationCfg.duration > 0, animationCfg);\n            if (this._textContent) {\n                this._textContent.useStates(states);\n            }\n            if (this._textGuide) {\n                this._textGuide.useStates(states);\n            }\n            this._updateAnimationTargets();\n            this.currentStates = states.slice();\n            this.markRedraw();\n            if (!useHoverLayer && this.__inHover) {\n                this._toggleHoverLayerFlag(false);\n                this.__dirty &= ~Element.REDARAW_BIT;\n            }\n        }\n    };\n    Element.prototype._updateAnimationTargets = function () {\n        for (var i = 0; i < this.animators.length; i++) {\n            var animator = this.animators[i];\n            if (animator.targetName) {\n                animator.changeTarget(this[animator.targetName]);\n            }\n        }\n    };\n    Element.prototype.removeState = function (state) {\n        var idx = indexOf(this.currentStates, state);\n        if (idx >= 0) {\n            var currentStates = this.currentStates.slice();\n            currentStates.splice(idx, 1);\n            this.useStates(currentStates);\n        }\n    };\n    Element.prototype.replaceState = function (oldState, newState, forceAdd) {\n        var currentStates = this.currentStates.slice();\n        var idx = indexOf(currentStates, oldState);\n        var newStateExists = indexOf(currentStates, newState) >= 0;\n        if (idx >= 0) {\n            if (!newStateExists) {\n                currentStates[idx] = newState;\n            }\n            else {\n                currentStates.splice(idx, 1);\n            }\n        }\n        else if (forceAdd && !newStateExists) {\n            currentStates.push(newState);\n        }\n        this.useStates(currentStates);\n    };\n    Element.prototype.toggleState = function (state, enable) {\n        if (enable) {\n            this.useState(state, true);\n        }\n        else {\n            this.removeState(state);\n        }\n    };\n    Element.prototype._mergeStates = function (states) {\n        var mergedState = {};\n        var mergedTextConfig;\n        for (var i = 0; i < states.length; i++) {\n            var state = states[i];\n            extend(mergedState, state);\n            if (state.textConfig) {\n                mergedTextConfig = mergedTextConfig || {};\n                extend(mergedTextConfig, state.textConfig);\n            }\n        }\n        if (mergedTextConfig) {\n            mergedState.textConfig = mergedTextConfig;\n        }\n        return mergedState;\n    };\n    Element.prototype._applyStateObj = function (stateName, state, normalState, keepCurrentStates, transition, animationCfg) {\n        var needsRestoreToNormal = !(state && keepCurrentStates);\n        if (state && state.textConfig) {\n            this.textConfig = extend({}, keepCurrentStates ? this.textConfig : normalState.textConfig);\n            extend(this.textConfig, state.textConfig);\n        }\n        else if (needsRestoreToNormal) {\n            if (normalState.textConfig) {\n                this.textConfig = normalState.textConfig;\n            }\n        }\n        var transitionTarget = {};\n        var hasTransition = false;\n        for (var i = 0; i < PRIMARY_STATES_KEYS.length; i++) {\n            var key = PRIMARY_STATES_KEYS[i];\n            var propNeedsTransition = transition && DEFAULT_ANIMATABLE_MAP[key];\n            if (state && state[key] != null) {\n                if (propNeedsTransition) {\n                    hasTransition = true;\n                    transitionTarget[key] = state[key];\n                }\n                else {\n                    this[key] = state[key];\n                }\n            }\n            else if (needsRestoreToNormal) {\n                if (normalState[key] != null) {\n                    if (propNeedsTransition) {\n                        hasTransition = true;\n                        transitionTarget[key] = normalState[key];\n                    }\n                    else {\n                        this[key] = normalState[key];\n                    }\n                }\n            }\n        }\n        if (!transition) {\n            for (var i = 0; i < this.animators.length; i++) {\n                var animator = this.animators[i];\n                var targetName = animator.targetName;\n                animator.__changeFinalValue(targetName\n                    ? (state || normalState)[targetName]\n                    : (state || normalState));\n            }\n        }\n        if (hasTransition) {\n            this._transitionState(stateName, transitionTarget, animationCfg);\n        }\n    };\n    Element.prototype._attachComponent = function (componentEl) {\n        if (componentEl.__zr && !componentEl.__hostTarget) {\n            throw new Error('Text element has been added to zrender.');\n        }\n        if (componentEl === this) {\n            throw new Error('Recursive component attachment.');\n        }\n        var zr = this.__zr;\n        if (zr) {\n            componentEl.addSelfToZr(zr);\n        }\n        componentEl.__zr = zr;\n        componentEl.__hostTarget = this;\n    };\n    Element.prototype._detachComponent = function (componentEl) {\n        if (componentEl.__zr) {\n            componentEl.removeSelfFromZr(componentEl.__zr);\n        }\n        componentEl.__zr = null;\n        componentEl.__hostTarget = null;\n    };\n    Element.prototype.getClipPath = function () {\n        return this._clipPath;\n    };\n    Element.prototype.setClipPath = function (clipPath) {\n        if (this._clipPath && this._clipPath !== clipPath) {\n            this.removeClipPath();\n        }\n        this._attachComponent(clipPath);\n        this._clipPath = clipPath;\n        this.markRedraw();\n    };\n    Element.prototype.removeClipPath = function () {\n        var clipPath = this._clipPath;\n        if (clipPath) {\n            this._detachComponent(clipPath);\n            this._clipPath = null;\n            this.markRedraw();\n        }\n    };\n    Element.prototype.getTextContent = function () {\n        return this._textContent;\n    };\n    Element.prototype.setTextContent = function (textEl) {\n        var previousTextContent = this._textContent;\n        if (previousTextContent === textEl) {\n            return;\n        }\n        if (previousTextContent && previousTextContent !== textEl) {\n            this.removeTextContent();\n        }\n        if (textEl.__zr && !textEl.__hostTarget) {\n            throw new Error('Text element has been added to zrender.');\n        }\n        textEl.attachedTransform = new Transformable();\n        this._attachComponent(textEl);\n        this._textContent = textEl;\n        this.markRedraw();\n    };\n    Element.prototype.setTextConfig = function (cfg) {\n        if (!this.textConfig) {\n            this.textConfig = {};\n        }\n        extend(this.textConfig, cfg);\n        this.markRedraw();\n    };\n    Element.prototype.removeTextConfig = function () {\n        this.textConfig = null;\n        this.markRedraw();\n    };\n    Element.prototype.removeTextContent = function () {\n        var textEl = this._textContent;\n        if (textEl) {\n            textEl.attachedTransform = null;\n            this._detachComponent(textEl);\n            this._textContent = null;\n            this._innerTextDefaultStyle = null;\n            this.markRedraw();\n        }\n    };\n    Element.prototype.getTextGuideLine = function () {\n        return this._textGuide;\n    };\n    Element.prototype.setTextGuideLine = function (guideLine) {\n        if (this._textGuide && this._textGuide !== guideLine) {\n            this.removeTextGuideLine();\n        }\n        this._attachComponent(guideLine);\n        this._textGuide = guideLine;\n        this.markRedraw();\n    };\n    Element.prototype.removeTextGuideLine = function () {\n        var textGuide = this._textGuide;\n        if (textGuide) {\n            this._detachComponent(textGuide);\n            this._textGuide = null;\n            this.markRedraw();\n        }\n    };\n    Element.prototype.markRedraw = function () {\n        this.__dirty |= Element.REDARAW_BIT;\n        var zr = this.__zr;\n        if (zr) {\n            if (this.__inHover) {\n                zr.refreshHover();\n            }\n            else {\n                zr.refresh();\n            }\n        }\n        if (this.__hostTarget) {\n            this.__hostTarget.markRedraw();\n        }\n    };\n    Element.prototype.dirty = function () {\n        this.markRedraw();\n    };\n    Element.prototype._toggleHoverLayerFlag = function (inHover) {\n        this.__inHover = inHover;\n        var textContent = this._textContent;\n        var textGuide = this._textGuide;\n        if (textContent) {\n            textContent.__inHover = inHover;\n        }\n        if (textGuide) {\n            textGuide.__inHover = inHover;\n        }\n    };\n    Element.prototype.addSelfToZr = function (zr) {\n        this.__zr = zr;\n        var animators = this.animators;\n        if (animators) {\n            for (var i = 0; i < animators.length; i++) {\n                zr.animation.addAnimator(animators[i]);\n            }\n        }\n        if (this._clipPath) {\n            this._clipPath.addSelfToZr(zr);\n        }\n        if (this._textContent) {\n            this._textContent.addSelfToZr(zr);\n        }\n        if (this._textGuide) {\n            this._textGuide.addSelfToZr(zr);\n        }\n    };\n    Element.prototype.removeSelfFromZr = function (zr) {\n        this.__zr = null;\n        var animators = this.animators;\n        if (animators) {\n            for (var i = 0; i < animators.length; i++) {\n                zr.animation.removeAnimator(animators[i]);\n            }\n        }\n        if (this._clipPath) {\n            this._clipPath.removeSelfFromZr(zr);\n        }\n        if (this._textContent) {\n            this._textContent.removeSelfFromZr(zr);\n        }\n        if (this._textGuide) {\n            this._textGuide.removeSelfFromZr(zr);\n        }\n    };\n    Element.prototype.animate = function (key, loop) {\n        var target = key ? this[key] : this;\n        if (!target) {\n            logError('Property \"'\n                + key\n                + '\" is not existed in element '\n                + this.id);\n            return;\n        }\n        var animator = new Animator(target, loop);\n        this.addAnimator(animator, key);\n        return animator;\n    };\n    Element.prototype.addAnimator = function (animator, key) {\n        var zr = this.__zr;\n        var el = this;\n        animator.during(function () {\n            el.updateDuringAnimation(key);\n        }).done(function () {\n            var animators = el.animators;\n            var idx = indexOf(animators, animator);\n            if (idx >= 0) {\n                animators.splice(idx, 1);\n            }\n        });\n        this.animators.push(animator);\n        if (zr) {\n            zr.animation.addAnimator(animator);\n        }\n        zr && zr.wakeUp();\n    };\n    Element.prototype.updateDuringAnimation = function (key) {\n        this.markRedraw();\n    };\n    Element.prototype.stopAnimation = function (scope, forwardToLast) {\n        var animators = this.animators;\n        var len = animators.length;\n        var leftAnimators = [];\n        for (var i = 0; i < len; i++) {\n            var animator = animators[i];\n            if (!scope || scope === animator.scope) {\n                animator.stop(forwardToLast);\n            }\n            else {\n                leftAnimators.push(animator);\n            }\n        }\n        this.animators = leftAnimators;\n        return this;\n    };\n    Element.prototype.animateTo = function (target, cfg, animationProps) {\n        animateTo(this, target, cfg, animationProps);\n    };\n    Element.prototype.animateFrom = function (target, cfg, animationProps) {\n        animateTo(this, target, cfg, animationProps, true);\n    };\n    Element.prototype._transitionState = function (stateName, target, cfg, animationProps) {\n        var animators = animateTo(this, target, cfg, animationProps);\n        for (var i = 0; i < animators.length; i++) {\n            animators[i].__fromStateTransition = stateName;\n        }\n    };\n    Element.prototype.getBoundingRect = function () {\n        return null;\n    };\n    Element.prototype.getPaintRect = function () {\n        return null;\n    };\n    Element.REDARAW_BIT = 1;\n    Element.initDefaultProps = (function () {\n        var elProto = Element.prototype;\n        elProto.type = 'element';\n        elProto.name = '';\n        elProto.ignore = false;\n        elProto.silent = false;\n        elProto.isGroup = false;\n        elProto.draggable = false;\n        elProto.dragging = false;\n        elProto.ignoreClip = false;\n        elProto.__inHover = false;\n        elProto.__dirty = Element.REDARAW_BIT;\n        var logs = {};\n        function logDeprecatedError(key, xKey, yKey) {\n            if (!logs[key + xKey + yKey]) {\n                console.warn(\"DEPRECATED: '\" + key + \"' has been deprecated. use '\" + xKey + \"', '\" + yKey + \"' instead\");\n                logs[key + xKey + yKey] = true;\n            }\n        }\n        function createLegacyProperty(key, privateKey, xKey, yKey) {\n            Object.defineProperty(elProto, key, {\n                get: function () {\n                    logDeprecatedError(key, xKey, yKey);\n                    if (!this[privateKey]) {\n                        var pos = this[privateKey] = [];\n                        enhanceArray(this, pos);\n                    }\n                    return this[privateKey];\n                },\n                set: function (pos) {\n                    logDeprecatedError(key, xKey, yKey);\n                    this[xKey] = pos[0];\n                    this[yKey] = pos[1];\n                    this[privateKey] = pos;\n                    enhanceArray(this, pos);\n                }\n            });\n            function enhanceArray(self, pos) {\n                Object.defineProperty(pos, 0, {\n                    get: function () {\n                        return self[xKey];\n                    },\n                    set: function (val) {\n                        self[xKey] = val;\n                    }\n                });\n                Object.defineProperty(pos, 1, {\n                    get: function () {\n                        return self[yKey];\n                    },\n                    set: function (val) {\n                        self[yKey] = val;\n                    }\n                });\n            }\n        }\n        if (Object.defineProperty && (!env.browser.ie || env.browser.version > 8)) {\n            createLegacyProperty('position', '_legacyPos', 'x', 'y');\n            createLegacyProperty('scale', '_legacyScale', 'scaleX', 'scaleY');\n            createLegacyProperty('origin', '_legacyOrigin', 'originX', 'originY');\n        }\n    })();\n    return Element;\n}());\nmixin(Element, Eventful);\nmixin(Element, Transformable);\nfunction animateTo(animatable, target, cfg, animationProps, reverse) {\n    cfg = cfg || {};\n    var animators = [];\n    animateToShallow(animatable, '', animatable, target, cfg, animationProps, animators, reverse);\n    var finishCount = animators.length;\n    var doneHappened = false;\n    var cfgDone = cfg.done;\n    var cfgAborted = cfg.aborted;\n    var doneCb = function () {\n        doneHappened = true;\n        finishCount--;\n        if (finishCount <= 0) {\n            doneHappened\n                ? (cfgDone && cfgDone())\n                : (cfgAborted && cfgAborted());\n        }\n    };\n    var abortedCb = function () {\n        finishCount--;\n        if (finishCount <= 0) {\n            doneHappened\n                ? (cfgDone && cfgDone())\n                : (cfgAborted && cfgAborted());\n        }\n    };\n    if (!finishCount) {\n        cfgDone && cfgDone();\n    }\n    if (animators.length > 0 && cfg.during) {\n        animators[0].during(function (target, percent) {\n            cfg.during(percent);\n        });\n    }\n    for (var i = 0; i < animators.length; i++) {\n        var animator = animators[i];\n        if (doneCb) {\n            animator.done(doneCb);\n        }\n        if (abortedCb) {\n            animator.aborted(abortedCb);\n        }\n        animator.start(cfg.easing, cfg.force);\n    }\n    return animators;\n}\nfunction copyArrShallow(source, target, len) {\n    for (var i = 0; i < len; i++) {\n        source[i] = target[i];\n    }\n}\nfunction is2DArray(value) {\n    return isArrayLike(value[0]);\n}\nfunction copyValue(target, source, key) {\n    if (isArrayLike(source[key])) {\n        if (!isArrayLike(target[key])) {\n            target[key] = [];\n        }\n        if (isTypedArray(source[key])) {\n            var len = source[key].length;\n            if (target[key].length !== len) {\n                target[key] = new (source[key].constructor)(len);\n                copyArrShallow(target[key], source[key], len);\n            }\n        }\n        else {\n            var sourceArr = source[key];\n            var targetArr = target[key];\n            var len0 = sourceArr.length;\n            if (is2DArray(sourceArr)) {\n                var len1 = sourceArr[0].length;\n                for (var i = 0; i < len0; i++) {\n                    if (!targetArr[i]) {\n                        targetArr[i] = Array.prototype.slice.call(sourceArr[i]);\n                    }\n                    else {\n                        copyArrShallow(targetArr[i], sourceArr[i], len1);\n                    }\n                }\n            }\n            else {\n                copyArrShallow(targetArr, sourceArr, len0);\n            }\n            targetArr.length = sourceArr.length;\n        }\n    }\n    else {\n        target[key] = source[key];\n    }\n}\nfunction animateToShallow(animatable, topKey, source, target, cfg, animationProps, animators, reverse) {\n    var animatableKeys = [];\n    var changedKeys = [];\n    var targetKeys = keys(target);\n    var duration = cfg.duration;\n    var delay = cfg.delay;\n    var additive = cfg.additive;\n    var setToFinal = cfg.setToFinal;\n    var animateAll = !isObject(animationProps);\n    for (var k = 0; k < targetKeys.length; k++) {\n        var innerKey = targetKeys[k];\n        if (source[innerKey] != null\n            && target[innerKey] != null\n            && (animateAll || animationProps[innerKey])) {\n            if (isObject(target[innerKey]) && !isArrayLike(target[innerKey])) {\n                if (topKey) {\n                    if (!reverse) {\n                        source[innerKey] = target[innerKey];\n                        animatable.updateDuringAnimation(topKey);\n                    }\n                    continue;\n                }\n                animateToShallow(animatable, innerKey, source[innerKey], target[innerKey], cfg, animationProps && animationProps[innerKey], animators, reverse);\n            }\n            else {\n                animatableKeys.push(innerKey);\n                changedKeys.push(innerKey);\n            }\n        }\n        else if (!reverse) {\n            source[innerKey] = target[innerKey];\n            animatable.updateDuringAnimation(topKey);\n            changedKeys.push(innerKey);\n        }\n    }\n    var keyLen = animatableKeys.length;\n    if (keyLen > 0\n        || (cfg.force && !animators.length)) {\n        var existsAnimators = animatable.animators;\n        var existsAnimatorsOnSameTarget = [];\n        for (var i = 0; i < existsAnimators.length; i++) {\n            if (existsAnimators[i].targetName === topKey) {\n                existsAnimatorsOnSameTarget.push(existsAnimators[i]);\n            }\n        }\n        if (!additive && existsAnimatorsOnSameTarget.length) {\n            for (var i = 0; i < existsAnimatorsOnSameTarget.length; i++) {\n                var allAborted = existsAnimatorsOnSameTarget[i].stopTracks(changedKeys);\n                if (allAborted) {\n                    var idx = indexOf(existsAnimators, existsAnimatorsOnSameTarget[i]);\n                    existsAnimators.splice(idx, 1);\n                }\n            }\n        }\n        var revertedSource = void 0;\n        var reversedTarget = void 0;\n        var sourceClone = void 0;\n        if (reverse) {\n            reversedTarget = {};\n            if (setToFinal) {\n                revertedSource = {};\n            }\n            for (var i = 0; i < keyLen; i++) {\n                var innerKey = animatableKeys[i];\n                reversedTarget[innerKey] = source[innerKey];\n                if (setToFinal) {\n                    revertedSource[innerKey] = target[innerKey];\n                }\n                else {\n                    source[innerKey] = target[innerKey];\n                }\n            }\n        }\n        else if (setToFinal) {\n            sourceClone = {};\n            for (var i = 0; i < keyLen; i++) {\n                var innerKey = animatableKeys[i];\n                sourceClone[innerKey] = cloneValue(source[innerKey]);\n                copyValue(source, target, innerKey);\n            }\n        }\n        var animator = new Animator(source, false, additive ? existsAnimatorsOnSameTarget : null);\n        animator.targetName = topKey;\n        if (cfg.scope) {\n            animator.scope = cfg.scope;\n        }\n        if (setToFinal && revertedSource) {\n            animator.whenWithKeys(0, revertedSource, animatableKeys);\n        }\n        if (sourceClone) {\n            animator.whenWithKeys(0, sourceClone, animatableKeys);\n        }\n        animator.whenWithKeys(duration == null ? 500 : duration, reverse ? reversedTarget : target, animatableKeys).delay(delay || 0);\n        animatable.addAnimator(animator, topKey);\n        animators.push(animator);\n    }\n}\nexport default Element;\n","import { Overlay, OverlayModule } from '@angular/cdk/overlay';\nimport { AriaDescriber, FocusMonitor, A11yModule } from '@angular/cdk/a11y';\nimport { CommonModule } from '@angular/common';\nimport { InjectionToken, Directive, ElementRef, ViewContainerRef, NgZone, Inject, Optional, Input, Component, ViewEncapsulation, ChangeDetectionStrategy, ChangeDetectorRef, NgModule } from '@angular/core';\nimport { MatCommonModule } from '@angular/material/core';\nimport { __assign } from 'tslib';\nimport { Directionality } from '@angular/cdk/bidi';\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';\nimport { Breakpoints, BreakpointObserver } from '@angular/cdk/layout';\nimport { normalizePassiveListenerOptions, Platform } from '@angular/cdk/platform';\nimport { ComponentPortal } from '@angular/cdk/portal';\nimport { ScrollDispatcher } from '@angular/cdk/scrolling';\nimport { Subject } from 'rxjs';\nimport { takeUntil, take } from 'rxjs/operators';\nimport { trigger, state, style, transition, animate, keyframes } from '@angular/animations';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Animations used by MatTooltip.\n * @docs-private\n */\nvar matTooltipAnimations = {\n    /** Animation that transitions a tooltip in and out. */\n    tooltipState: trigger('state', [\n        state('initial, void, hidden', style({ opacity: 0, transform: 'scale(0)' })),\n        state('visible', style({ transform: 'scale(1)' })),\n        transition('* => visible', animate('200ms cubic-bezier(0, 0, 0.2, 1)', keyframes([\n            style({ opacity: 0, transform: 'scale(0)', offset: 0 }),\n            style({ opacity: 0.5, transform: 'scale(0.99)', offset: 0.5 }),\n            style({ opacity: 1, transform: 'scale(1)', offset: 1 })\n        ]))),\n        transition('* => hidden', animate('100ms cubic-bezier(0, 0, 0.2, 1)', style({ opacity: 0 }))),\n    ])\n};\n\n/** Time in ms to throttle repositioning after scroll events. */\nvar SCROLL_THROTTLE_MS = 20;\n/** CSS class that will be attached to the overlay panel. */\nvar TOOLTIP_PANEL_CLASS = 'mat-tooltip-panel';\n/** Options used to bind passive event listeners. */\nvar passiveListenerOptions = normalizePassiveListenerOptions({ passive: true });\n/**\n * Time between the user putting the pointer on a tooltip\n * trigger and the long press event being fired.\n */\nvar LONGPRESS_DELAY = 500;\n/**\n * Creates an error to be thrown if the user supplied an invalid tooltip position.\n * @docs-private\n */\nfunction getMatTooltipInvalidPositionError(position) {\n    return Error(\"Tooltip position \\\"\" + position + \"\\\" is invalid.\");\n}\n/** Injection token that determines the scroll handling while a tooltip is visible. */\nvar MAT_TOOLTIP_SCROLL_STRATEGY = new InjectionToken('mat-tooltip-scroll-strategy');\n/** @docs-private */\nfunction MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY(overlay) {\n    return function () { return overlay.scrollStrategies.reposition({ scrollThrottle: SCROLL_THROTTLE_MS }); };\n}\n/** @docs-private */\nvar MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY_PROVIDER = {\n    provide: MAT_TOOLTIP_SCROLL_STRATEGY,\n    deps: [Overlay],\n    useFactory: MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY,\n};\n/** Injection token to be used to override the default options for `matTooltip`. */\nvar MAT_TOOLTIP_DEFAULT_OPTIONS = new InjectionToken('mat-tooltip-default-options', {\n    providedIn: 'root',\n    factory: MAT_TOOLTIP_DEFAULT_OPTIONS_FACTORY\n});\n/** @docs-private */\nfunction MAT_TOOLTIP_DEFAULT_OPTIONS_FACTORY() {\n    return {\n        showDelay: 0,\n        hideDelay: 0,\n        touchendHideDelay: 1500,\n    };\n}\n/**\n * Directive that attaches a material design tooltip to the host element. Animates the showing and\n * hiding of a tooltip provided position (defaults to below the element).\n *\n * https://material.io/design/components/tooltips.html\n */\nvar MatTooltip = /** @class */ (function () {\n    function MatTooltip(_overlay, _elementRef, _scrollDispatcher, _viewContainerRef, _ngZone, _platform, _ariaDescriber, _focusMonitor, scrollStrategy, _dir, _defaultOptions, \n    /**\n     * @deprecated _hammerLoader parameter to be removed.\n     * @breaking-change 9.0.0\n     */\n    // Note that we need to give Angular something to inject here so it doesn't throw.\n    _hammerLoader) {\n        var _this = this;\n        this._overlay = _overlay;\n        this._elementRef = _elementRef;\n        this._scrollDispatcher = _scrollDispatcher;\n        this._viewContainerRef = _viewContainerRef;\n        this._ngZone = _ngZone;\n        this._platform = _platform;\n        this._ariaDescriber = _ariaDescriber;\n        this._focusMonitor = _focusMonitor;\n        this._dir = _dir;\n        this._defaultOptions = _defaultOptions;\n        this._position = 'below';\n        this._disabled = false;\n        /** The default delay in ms before showing the tooltip after show is called */\n        this.showDelay = this._defaultOptions.showDelay;\n        /** The default delay in ms before hiding the tooltip after hide is called */\n        this.hideDelay = this._defaultOptions.hideDelay;\n        /**\n         * How touch gestures should be handled by the tooltip. On touch devices the tooltip directive\n         * uses a long press gesture to show and hide, however it can conflict with the native browser\n         * gestures. To work around the conflict, Angular Material disables native gestures on the\n         * trigger, but that might not be desirable on particular elements (e.g. inputs and draggable\n         * elements). The different values for this option configure the touch event handling as follows:\n         * - `auto` - Enables touch gestures for all elements, but tries to avoid conflicts with native\n         *   browser gestures on particular elements. In particular, it allows text selection on inputs\n         *   and textareas, and preserves the native browser dragging on elements marked as `draggable`.\n         * - `on` - Enables touch gestures for all elements and disables native\n         *   browser gestures with no exceptions.\n         * - `off` - Disables touch gestures. Note that this will prevent the tooltip from\n         *   showing on touch devices.\n         */\n        this.touchGestures = 'auto';\n        this._message = '';\n        /** Manually-bound passive event listeners. */\n        this._passiveListeners = new Map();\n        /** Emits when the component is destroyed. */\n        this._destroyed = new Subject();\n        /**\n         * Handles the keydown events on the host element.\n         * Needs to be an arrow function so that we can use it in addEventListener.\n         */\n        this._handleKeydown = function (event) {\n            if (_this._isTooltipVisible() && event.keyCode === ESCAPE && !hasModifierKey(event)) {\n                event.preventDefault();\n                event.stopPropagation();\n                _this._ngZone.run(function () { return _this.hide(0); });\n            }\n        };\n        this._scrollStrategy = scrollStrategy;\n        if (_defaultOptions) {\n            if (_defaultOptions.position) {\n                this.position = _defaultOptions.position;\n            }\n            if (_defaultOptions.touchGestures) {\n                this.touchGestures = _defaultOptions.touchGestures;\n            }\n        }\n        _focusMonitor.monitor(_elementRef)\n            .pipe(takeUntil(this._destroyed))\n            .subscribe(function (origin) {\n            // Note that the focus monitor runs outside the Angular zone.\n            if (!origin) {\n                _ngZone.run(function () { return _this.hide(0); });\n            }\n            else if (origin === 'keyboard') {\n                _ngZone.run(function () { return _this.show(); });\n            }\n        });\n        _ngZone.runOutsideAngular(function () {\n            _elementRef.nativeElement.addEventListener('keydown', _this._handleKeydown);\n        });\n    }\n    Object.defineProperty(MatTooltip.prototype, \"position\", {\n        /** Allows the user to define the position of the tooltip relative to the parent element */\n        get: function () { return this._position; },\n        set: function (value) {\n            if (value !== this._position) {\n                this._position = value;\n                if (this._overlayRef) {\n                    this._updatePosition();\n                    if (this._tooltipInstance) {\n                        this._tooltipInstance.show(0);\n                    }\n                    this._overlayRef.updatePosition();\n                }\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatTooltip.prototype, \"disabled\", {\n        /** Disables the display of the tooltip. */\n        get: function () { return this._disabled; },\n        set: function (value) {\n            this._disabled = coerceBooleanProperty(value);\n            // If tooltip is disabled, hide immediately.\n            if (this._disabled) {\n                this.hide(0);\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatTooltip.prototype, \"message\", {\n        /** The message to be displayed in the tooltip */\n        get: function () { return this._message; },\n        set: function (value) {\n            var _this = this;\n            this._ariaDescriber.removeDescription(this._elementRef.nativeElement, this._message);\n            // If the message is not a string (e.g. number), convert it to a string and trim it.\n            this._message = value != null ? (\"\" + value).trim() : '';\n            if (!this._message && this._isTooltipVisible()) {\n                this.hide(0);\n            }\n            else {\n                this._updateTooltipMessage();\n                this._ngZone.runOutsideAngular(function () {\n                    // The `AriaDescriber` has some functionality that avoids adding a description if it's the\n                    // same as the `aria-label` of an element, however we can't know whether the tooltip trigger\n                    // has a data-bound `aria-label` or when it'll be set for the first time. We can avoid the\n                    // issue by deferring the description by a tick so Angular has time to set the `aria-label`.\n                    Promise.resolve().then(function () {\n                        _this._ariaDescriber.describe(_this._elementRef.nativeElement, _this.message);\n                    });\n                });\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatTooltip.prototype, \"tooltipClass\", {\n        /** Classes to be passed to the tooltip. Supports the same syntax as `ngClass`. */\n        get: function () { return this._tooltipClass; },\n        set: function (value) {\n            this._tooltipClass = value;\n            if (this._tooltipInstance) {\n                this._setTooltipClass(this._tooltipClass);\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Setup styling-specific things\n     */\n    MatTooltip.prototype.ngOnInit = function () {\n        // This needs to happen in `ngOnInit` so the initial values for all inputs have been set.\n        this._setupPointerEvents();\n    };\n    /**\n     * Dispose the tooltip when destroyed.\n     */\n    MatTooltip.prototype.ngOnDestroy = function () {\n        var nativeElement = this._elementRef.nativeElement;\n        clearTimeout(this._touchstartTimeout);\n        if (this._overlayRef) {\n            this._overlayRef.dispose();\n            this._tooltipInstance = null;\n        }\n        // Clean up the event listeners set in the constructor\n        nativeElement.removeEventListener('keydown', this._handleKeydown);\n        this._passiveListeners.forEach(function (listener, event) {\n            nativeElement.removeEventListener(event, listener, passiveListenerOptions);\n        });\n        this._passiveListeners.clear();\n        this._destroyed.next();\n        this._destroyed.complete();\n        this._ariaDescriber.removeDescription(nativeElement, this.message);\n        this._focusMonitor.stopMonitoring(nativeElement);\n    };\n    /** Shows the tooltip after the delay in ms, defaults to tooltip-delay-show or 0ms if no input */\n    MatTooltip.prototype.show = function (delay) {\n        var _this = this;\n        if (delay === void 0) { delay = this.showDelay; }\n        if (this.disabled || !this.message || (this._isTooltipVisible() &&\n            !this._tooltipInstance._showTimeoutId && !this._tooltipInstance._hideTimeoutId)) {\n            return;\n        }\n        var overlayRef = this._createOverlay();\n        this._detach();\n        this._portal = this._portal || new ComponentPortal(TooltipComponent, this._viewContainerRef);\n        this._tooltipInstance = overlayRef.attach(this._portal).instance;\n        this._tooltipInstance.afterHidden()\n            .pipe(takeUntil(this._destroyed))\n            .subscribe(function () { return _this._detach(); });\n        this._setTooltipClass(this._tooltipClass);\n        this._updateTooltipMessage();\n        this._tooltipInstance.show(delay);\n    };\n    /** Hides the tooltip after the delay in ms, defaults to tooltip-delay-hide or 0ms if no input */\n    MatTooltip.prototype.hide = function (delay) {\n        if (delay === void 0) { delay = this.hideDelay; }\n        if (this._tooltipInstance) {\n            this._tooltipInstance.hide(delay);\n        }\n    };\n    /** Shows/hides the tooltip */\n    MatTooltip.prototype.toggle = function () {\n        this._isTooltipVisible() ? this.hide() : this.show();\n    };\n    /** Returns true if the tooltip is currently visible to the user */\n    MatTooltip.prototype._isTooltipVisible = function () {\n        return !!this._tooltipInstance && this._tooltipInstance.isVisible();\n    };\n    /** Create the overlay config and position strategy */\n    MatTooltip.prototype._createOverlay = function () {\n        var _this = this;\n        if (this._overlayRef) {\n            return this._overlayRef;\n        }\n        var scrollableAncestors = this._scrollDispatcher.getAncestorScrollContainers(this._elementRef);\n        // Create connected position strategy that listens for scroll events to reposition.\n        var strategy = this._overlay.position()\n            .flexibleConnectedTo(this._elementRef)\n            .withTransformOriginOn('.mat-tooltip')\n            .withFlexibleDimensions(false)\n            .withViewportMargin(8)\n            .withScrollableContainers(scrollableAncestors);\n        strategy.positionChanges.pipe(takeUntil(this._destroyed)).subscribe(function (change) {\n            if (_this._tooltipInstance) {\n                if (change.scrollableViewProperties.isOverlayClipped && _this._tooltipInstance.isVisible()) {\n                    // After position changes occur and the overlay is clipped by\n                    // a parent scrollable then close the tooltip.\n                    _this._ngZone.run(function () { return _this.hide(0); });\n                }\n            }\n        });\n        this._overlayRef = this._overlay.create({\n            direction: this._dir,\n            positionStrategy: strategy,\n            panelClass: TOOLTIP_PANEL_CLASS,\n            scrollStrategy: this._scrollStrategy()\n        });\n        this._updatePosition();\n        this._overlayRef.detachments()\n            .pipe(takeUntil(this._destroyed))\n            .subscribe(function () { return _this._detach(); });\n        return this._overlayRef;\n    };\n    /** Detaches the currently-attached tooltip. */\n    MatTooltip.prototype._detach = function () {\n        if (this._overlayRef && this._overlayRef.hasAttached()) {\n            this._overlayRef.detach();\n        }\n        this._tooltipInstance = null;\n    };\n    /** Updates the position of the current tooltip. */\n    MatTooltip.prototype._updatePosition = function () {\n        var position = this._overlayRef.getConfig().positionStrategy;\n        var origin = this._getOrigin();\n        var overlay = this._getOverlayPosition();\n        position.withPositions([\n            __assign(__assign({}, origin.main), overlay.main),\n            __assign(__assign({}, origin.fallback), overlay.fallback)\n        ]);\n    };\n    /**\n     * Returns the origin position and a fallback position based on the user's position preference.\n     * The fallback position is the inverse of the origin (e.g. `'below' -> 'above'`).\n     */\n    MatTooltip.prototype._getOrigin = function () {\n        var isLtr = !this._dir || this._dir.value == 'ltr';\n        var position = this.position;\n        var originPosition;\n        if (position == 'above' || position == 'below') {\n            originPosition = { originX: 'center', originY: position == 'above' ? 'top' : 'bottom' };\n        }\n        else if (position == 'before' ||\n            (position == 'left' && isLtr) ||\n            (position == 'right' && !isLtr)) {\n            originPosition = { originX: 'start', originY: 'center' };\n        }\n        else if (position == 'after' ||\n            (position == 'right' && isLtr) ||\n            (position == 'left' && !isLtr)) {\n            originPosition = { originX: 'end', originY: 'center' };\n        }\n        else {\n            throw getMatTooltipInvalidPositionError(position);\n        }\n        var _a = this._invertPosition(originPosition.originX, originPosition.originY), x = _a.x, y = _a.y;\n        return {\n            main: originPosition,\n            fallback: { originX: x, originY: y }\n        };\n    };\n    /** Returns the overlay position and a fallback position based on the user's preference */\n    MatTooltip.prototype._getOverlayPosition = function () {\n        var isLtr = !this._dir || this._dir.value == 'ltr';\n        var position = this.position;\n        var overlayPosition;\n        if (position == 'above') {\n            overlayPosition = { overlayX: 'center', overlayY: 'bottom' };\n        }\n        else if (position == 'below') {\n            overlayPosition = { overlayX: 'center', overlayY: 'top' };\n        }\n        else if (position == 'before' ||\n            (position == 'left' && isLtr) ||\n            (position == 'right' && !isLtr)) {\n            overlayPosition = { overlayX: 'end', overlayY: 'center' };\n        }\n        else if (position == 'after' ||\n            (position == 'right' && isLtr) ||\n            (position == 'left' && !isLtr)) {\n            overlayPosition = { overlayX: 'start', overlayY: 'center' };\n        }\n        else {\n            throw getMatTooltipInvalidPositionError(position);\n        }\n        var _a = this._invertPosition(overlayPosition.overlayX, overlayPosition.overlayY), x = _a.x, y = _a.y;\n        return {\n            main: overlayPosition,\n            fallback: { overlayX: x, overlayY: y }\n        };\n    };\n    /** Updates the tooltip message and repositions the overlay according to the new message length */\n    MatTooltip.prototype._updateTooltipMessage = function () {\n        var _this = this;\n        // Must wait for the message to be painted to the tooltip so that the overlay can properly\n        // calculate the correct positioning based on the size of the text.\n        if (this._tooltipInstance) {\n            this._tooltipInstance.message = this.message;\n            this._tooltipInstance._markForCheck();\n            this._ngZone.onMicrotaskEmpty.asObservable().pipe(take(1), takeUntil(this._destroyed)).subscribe(function () {\n                if (_this._tooltipInstance) {\n                    _this._overlayRef.updatePosition();\n                }\n            });\n        }\n    };\n    /** Updates the tooltip class */\n    MatTooltip.prototype._setTooltipClass = function (tooltipClass) {\n        if (this._tooltipInstance) {\n            this._tooltipInstance.tooltipClass = tooltipClass;\n            this._tooltipInstance._markForCheck();\n        }\n    };\n    /** Inverts an overlay position. */\n    MatTooltip.prototype._invertPosition = function (x, y) {\n        if (this.position === 'above' || this.position === 'below') {\n            if (y === 'top') {\n                y = 'bottom';\n            }\n            else if (y === 'bottom') {\n                y = 'top';\n            }\n        }\n        else {\n            if (x === 'end') {\n                x = 'start';\n            }\n            else if (x === 'start') {\n                x = 'end';\n            }\n        }\n        return { x: x, y: y };\n    };\n    /** Binds the pointer events to the tooltip trigger. */\n    MatTooltip.prototype._setupPointerEvents = function () {\n        var _this = this;\n        // The mouse events shouldn't be bound on mobile devices, because they can prevent the\n        // first tap from firing its click event or can cause the tooltip to open for clicks.\n        if (!this._platform.IOS && !this._platform.ANDROID) {\n            this._passiveListeners\n                .set('mouseenter', function () { return _this.show(); })\n                .set('mouseleave', function () { return _this.hide(); });\n        }\n        else if (this.touchGestures !== 'off') {\n            this._disableNativeGesturesIfNecessary();\n            var touchendListener = function () {\n                clearTimeout(_this._touchstartTimeout);\n                _this.hide(_this._defaultOptions.touchendHideDelay);\n            };\n            this._passiveListeners\n                .set('touchend', touchendListener)\n                .set('touchcancel', touchendListener)\n                .set('touchstart', function () {\n                // Note that it's important that we don't `preventDefault` here,\n                // because it can prevent click events from firing on the element.\n                clearTimeout(_this._touchstartTimeout);\n                _this._touchstartTimeout = setTimeout(function () { return _this.show(); }, LONGPRESS_DELAY);\n            });\n        }\n        this._passiveListeners.forEach(function (listener, event) {\n            _this._elementRef.nativeElement.addEventListener(event, listener, passiveListenerOptions);\n        });\n    };\n    /** Disables the native browser gestures, based on how the tooltip has been configured. */\n    MatTooltip.prototype._disableNativeGesturesIfNecessary = function () {\n        var element = this._elementRef.nativeElement;\n        var style = element.style;\n        var gestures = this.touchGestures;\n        if (gestures !== 'off') {\n            // If gestures are set to `auto`, we don't disable text selection on inputs and\n            // textareas, because it prevents the user from typing into them on iOS Safari.\n            if (gestures === 'on' || (element.nodeName !== 'INPUT' && element.nodeName !== 'TEXTAREA')) {\n                style.userSelect = style.msUserSelect = style.webkitUserSelect =\n                    style.MozUserSelect = 'none';\n            }\n            // If we have `auto` gestures and the element uses native HTML dragging,\n            // we don't set `-webkit-user-drag` because it prevents the native behavior.\n            if (gestures === 'on' || !element.draggable) {\n                style.webkitUserDrag = 'none';\n            }\n            style.touchAction = 'none';\n            style.webkitTapHighlightColor = 'transparent';\n        }\n    };\n    MatTooltip.decorators = [\n        { type: Directive, args: [{\n                    selector: '[matTooltip]',\n                    exportAs: 'matTooltip',\n                },] }\n    ];\n    /** @nocollapse */\n    MatTooltip.ctorParameters = function () { return [\n        { type: Overlay },\n        { type: ElementRef },\n        { type: ScrollDispatcher },\n        { type: ViewContainerRef },\n        { type: NgZone },\n        { type: Platform },\n        { type: AriaDescriber },\n        { type: FocusMonitor },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_TOOLTIP_SCROLL_STRATEGY,] }] },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_TOOLTIP_DEFAULT_OPTIONS,] }] },\n        { type: undefined, decorators: [{ type: Inject, args: [ElementRef,] }] }\n    ]; };\n    MatTooltip.propDecorators = {\n        position: [{ type: Input, args: ['matTooltipPosition',] }],\n        disabled: [{ type: Input, args: ['matTooltipDisabled',] }],\n        showDelay: [{ type: Input, args: ['matTooltipShowDelay',] }],\n        hideDelay: [{ type: Input, args: ['matTooltipHideDelay',] }],\n        touchGestures: [{ type: Input, args: ['matTooltipTouchGestures',] }],\n        message: [{ type: Input, args: ['matTooltip',] }],\n        tooltipClass: [{ type: Input, args: ['matTooltipClass',] }]\n    };\n    return MatTooltip;\n}());\n/**\n * Internal component that wraps the tooltip's content.\n * @docs-private\n */\nvar TooltipComponent = /** @class */ (function () {\n    function TooltipComponent(_changeDetectorRef, _breakpointObserver) {\n        this._changeDetectorRef = _changeDetectorRef;\n        this._breakpointObserver = _breakpointObserver;\n        /** Property watched by the animation framework to show or hide the tooltip */\n        this._visibility = 'initial';\n        /** Whether interactions on the page should close the tooltip */\n        this._closeOnInteraction = false;\n        /** Subject for notifying that the tooltip has been hidden from the view */\n        this._onHide = new Subject();\n        /** Stream that emits whether the user has a handset-sized display.  */\n        this._isHandset = this._breakpointObserver.observe(Breakpoints.Handset);\n    }\n    /**\n     * Shows the tooltip with an animation originating from the provided origin\n     * @param delay Amount of milliseconds to the delay showing the tooltip.\n     */\n    TooltipComponent.prototype.show = function (delay) {\n        var _this = this;\n        // Cancel the delayed hide if it is scheduled\n        if (this._hideTimeoutId) {\n            clearTimeout(this._hideTimeoutId);\n            this._hideTimeoutId = null;\n        }\n        // Body interactions should cancel the tooltip if there is a delay in showing.\n        this._closeOnInteraction = true;\n        this._showTimeoutId = setTimeout(function () {\n            _this._visibility = 'visible';\n            _this._showTimeoutId = null;\n            // Mark for check so if any parent component has set the\n            // ChangeDetectionStrategy to OnPush it will be checked anyways\n            _this._markForCheck();\n        }, delay);\n    };\n    /**\n     * Begins the animation to hide the tooltip after the provided delay in ms.\n     * @param delay Amount of milliseconds to delay showing the tooltip.\n     */\n    TooltipComponent.prototype.hide = function (delay) {\n        var _this = this;\n        // Cancel the delayed show if it is scheduled\n        if (this._showTimeoutId) {\n            clearTimeout(this._showTimeoutId);\n            this._showTimeoutId = null;\n        }\n        this._hideTimeoutId = setTimeout(function () {\n            _this._visibility = 'hidden';\n            _this._hideTimeoutId = null;\n            // Mark for check so if any parent component has set the\n            // ChangeDetectionStrategy to OnPush it will be checked anyways\n            _this._markForCheck();\n        }, delay);\n    };\n    /** Returns an observable that notifies when the tooltip has been hidden from view. */\n    TooltipComponent.prototype.afterHidden = function () {\n        return this._onHide.asObservable();\n    };\n    /** Whether the tooltip is being displayed. */\n    TooltipComponent.prototype.isVisible = function () {\n        return this._visibility === 'visible';\n    };\n    TooltipComponent.prototype.ngOnDestroy = function () {\n        this._onHide.complete();\n    };\n    TooltipComponent.prototype._animationStart = function () {\n        this._closeOnInteraction = false;\n    };\n    TooltipComponent.prototype._animationDone = function (event) {\n        var toState = event.toState;\n        if (toState === 'hidden' && !this.isVisible()) {\n            this._onHide.next();\n        }\n        if (toState === 'visible' || toState === 'hidden') {\n            this._closeOnInteraction = true;\n        }\n    };\n    /**\n     * Interactions on the HTML body should close the tooltip immediately as defined in the\n     * material design spec.\n     * https://material.io/design/components/tooltips.html#behavior\n     */\n    TooltipComponent.prototype._handleBodyInteraction = function () {\n        if (this._closeOnInteraction) {\n            this.hide(0);\n        }\n    };\n    /**\n     * Marks that the tooltip needs to be checked in the next change detection run.\n     * Mainly used for rendering the initial text before positioning a tooltip, which\n     * can be problematic in components with OnPush change detection.\n     */\n    TooltipComponent.prototype._markForCheck = function () {\n        this._changeDetectorRef.markForCheck();\n    };\n    TooltipComponent.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-tooltip-component',\n                    template: \"<div class=\\\"mat-tooltip\\\"\\n     [ngClass]=\\\"tooltipClass\\\"\\n     [class.mat-tooltip-handset]=\\\"(_isHandset | async)?.matches\\\"\\n     [@state]=\\\"_visibility\\\"\\n     (@state.start)=\\\"_animationStart()\\\"\\n     (@state.done)=\\\"_animationDone($event)\\\">{{message}}</div>\\n\",\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    animations: [matTooltipAnimations.tooltipState],\n                    host: {\n                        // Forces the element to have a layout in IE and Edge. This fixes issues where the element\n                        // won't be rendered if the animations are disabled or there is no web animations polyfill.\n                        '[style.zoom]': '_visibility === \"visible\" ? 1 : null',\n                        '(body:click)': 'this._handleBodyInteraction()',\n                        'aria-hidden': 'true',\n                    },\n                    styles: [\".mat-tooltip-panel{pointer-events:none !important}.mat-tooltip{color:#fff;border-radius:4px;margin:14px;max-width:250px;padding-left:8px;padding-right:8px;overflow:hidden;text-overflow:ellipsis}.cdk-high-contrast-active .mat-tooltip{outline:solid 1px}.mat-tooltip-handset{margin:24px;padding-left:16px;padding-right:16px}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    TooltipComponent.ctorParameters = function () { return [\n        { type: ChangeDetectorRef },\n        { type: BreakpointObserver }\n    ]; };\n    return TooltipComponent;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatTooltipModule = /** @class */ (function () {\n    function MatTooltipModule() {\n    }\n    MatTooltipModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [\n                        A11yModule,\n                        CommonModule,\n                        OverlayModule,\n                        MatCommonModule,\n                    ],\n                    exports: [MatTooltip, TooltipComponent, MatCommonModule],\n                    declarations: [MatTooltip, TooltipComponent],\n                    entryComponents: [TooltipComponent],\n                    providers: [MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY_PROVIDER]\n                },] }\n    ];\n    return MatTooltipModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MAT_TOOLTIP_DEFAULT_OPTIONS, MAT_TOOLTIP_DEFAULT_OPTIONS_FACTORY, MAT_TOOLTIP_SCROLL_STRATEGY, MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY, MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY_PROVIDER, MatTooltip, MatTooltipModule, SCROLL_THROTTLE_MS, TOOLTIP_PANEL_CLASS, TooltipComponent, getMatTooltipInvalidPositionError, matTooltipAnimations };\n","import { __extends } from 'tslib';\nimport { ElementRef, Directive, TemplateRef, ViewContainerRef, EventEmitter, ComponentFactoryResolver, Inject, Output, NgModule } from '@angular/core';\nimport { DOCUMENT } from '@angular/common';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Throws an exception when attempting to attach a null portal to a host.\n * @docs-private\n */\nfunction throwNullPortalError() {\n    throw Error('Must provide a portal to attach');\n}\n/**\n * Throws an exception when attempting to attach a portal to a host that is already attached.\n * @docs-private\n */\nfunction throwPortalAlreadyAttachedError() {\n    throw Error('Host already has a portal attached');\n}\n/**\n * Throws an exception when attempting to attach a portal to an already-disposed host.\n * @docs-private\n */\nfunction throwPortalOutletAlreadyDisposedError() {\n    throw Error('This PortalOutlet has already been disposed');\n}\n/**\n * Throws an exception when attempting to attach an unknown portal type.\n * @docs-private\n */\nfunction throwUnknownPortalTypeError() {\n    throw Error('Attempting to attach an unknown Portal type. BasePortalOutlet accepts either ' +\n        'a ComponentPortal or a TemplatePortal.');\n}\n/**\n * Throws an exception when attempting to attach a portal to a null host.\n * @docs-private\n */\nfunction throwNullPortalOutletError() {\n    throw Error('Attempting to attach a portal to a null PortalOutlet');\n}\n/**\n * Throws an exception when attempting to detach a portal that is not attached.\n * @docs-private\n */\nfunction throwNoPortalAttachedError() {\n    throw Error('Attempting to detach a portal that is not attached to a host');\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A `Portal` is something that you want to render somewhere else.\n * It can be attach to / detached from a `PortalOutlet`.\n */\nvar Portal = /** @class */ (function () {\n    function Portal() {\n    }\n    /** Attach this portal to a host. */\n    Portal.prototype.attach = function (host) {\n        if (host == null) {\n            throwNullPortalOutletError();\n        }\n        if (host.hasAttached()) {\n            throwPortalAlreadyAttachedError();\n        }\n        this._attachedHost = host;\n        return host.attach(this);\n    };\n    /** Detach this portal from its host */\n    Portal.prototype.detach = function () {\n        var host = this._attachedHost;\n        if (host == null) {\n            throwNoPortalAttachedError();\n        }\n        else {\n            this._attachedHost = null;\n            host.detach();\n        }\n    };\n    Object.defineProperty(Portal.prototype, \"isAttached\", {\n        /** Whether this portal is attached to a host. */\n        get: function () {\n            return this._attachedHost != null;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Sets the PortalOutlet reference without performing `attach()`. This is used directly by\n     * the PortalOutlet when it is performing an `attach()` or `detach()`.\n     */\n    Portal.prototype.setAttachedHost = function (host) {\n        this._attachedHost = host;\n    };\n    return Portal;\n}());\n/**\n * A `ComponentPortal` is a portal that instantiates some Component upon attachment.\n */\nvar ComponentPortal = /** @class */ (function (_super) {\n    __extends(ComponentPortal, _super);\n    function ComponentPortal(component, viewContainerRef, injector, componentFactoryResolver) {\n        var _this = _super.call(this) || this;\n        _this.component = component;\n        _this.viewContainerRef = viewContainerRef;\n        _this.injector = injector;\n        _this.componentFactoryResolver = componentFactoryResolver;\n        return _this;\n    }\n    return ComponentPortal;\n}(Portal));\n/**\n * A `TemplatePortal` is a portal that represents some embedded template (TemplateRef).\n */\nvar TemplatePortal = /** @class */ (function (_super) {\n    __extends(TemplatePortal, _super);\n    function TemplatePortal(template, viewContainerRef, context) {\n        var _this = _super.call(this) || this;\n        _this.templateRef = template;\n        _this.viewContainerRef = viewContainerRef;\n        _this.context = context;\n        return _this;\n    }\n    Object.defineProperty(TemplatePortal.prototype, \"origin\", {\n        get: function () {\n            return this.templateRef.elementRef;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Attach the portal to the provided `PortalOutlet`.\n     * When a context is provided it will override the `context` property of the `TemplatePortal`\n     * instance.\n     */\n    TemplatePortal.prototype.attach = function (host, context) {\n        if (context === void 0) { context = this.context; }\n        this.context = context;\n        return _super.prototype.attach.call(this, host);\n    };\n    TemplatePortal.prototype.detach = function () {\n        this.context = undefined;\n        return _super.prototype.detach.call(this);\n    };\n    return TemplatePortal;\n}(Portal));\n/**\n * A `DomPortal` is a portal whose DOM element will be taken from its current position\n * in the DOM and moved into a portal outlet, when it is attached. On detach, the content\n * will be restored to its original position.\n */\nvar DomPortal = /** @class */ (function (_super) {\n    __extends(DomPortal, _super);\n    function DomPortal(element) {\n        var _this = _super.call(this) || this;\n        _this.element = element instanceof ElementRef ? element.nativeElement : element;\n        return _this;\n    }\n    return DomPortal;\n}(Portal));\n/**\n * Partial implementation of PortalOutlet that handles attaching\n * ComponentPortal and TemplatePortal.\n */\nvar BasePortalOutlet = /** @class */ (function () {\n    function BasePortalOutlet() {\n        /** Whether this host has already been permanently disposed. */\n        this._isDisposed = false;\n        // @breaking-change 10.0.0 `attachDomPortal` to become a required abstract method.\n        this.attachDomPortal = null;\n    }\n    /** Whether this host has an attached portal. */\n    BasePortalOutlet.prototype.hasAttached = function () {\n        return !!this._attachedPortal;\n    };\n    /** Attaches a portal. */\n    BasePortalOutlet.prototype.attach = function (portal) {\n        if (!portal) {\n            throwNullPortalError();\n        }\n        if (this.hasAttached()) {\n            throwPortalAlreadyAttachedError();\n        }\n        if (this._isDisposed) {\n            throwPortalOutletAlreadyDisposedError();\n        }\n        if (portal instanceof ComponentPortal) {\n            this._attachedPortal = portal;\n            return this.attachComponentPortal(portal);\n        }\n        else if (portal instanceof TemplatePortal) {\n            this._attachedPortal = portal;\n            return this.attachTemplatePortal(portal);\n            // @breaking-change 10.0.0 remove null check for `this.attachDomPortal`.\n        }\n        else if (this.attachDomPortal && portal instanceof DomPortal) {\n            this._attachedPortal = portal;\n            return this.attachDomPortal(portal);\n        }\n        throwUnknownPortalTypeError();\n    };\n    /** Detaches a previously attached portal. */\n    BasePortalOutlet.prototype.detach = function () {\n        if (this._attachedPortal) {\n            this._attachedPortal.setAttachedHost(null);\n            this._attachedPortal = null;\n        }\n        this._invokeDisposeFn();\n    };\n    /** Permanently dispose of this portal host. */\n    BasePortalOutlet.prototype.dispose = function () {\n        if (this.hasAttached()) {\n            this.detach();\n        }\n        this._invokeDisposeFn();\n        this._isDisposed = true;\n    };\n    /** @docs-private */\n    BasePortalOutlet.prototype.setDisposeFn = function (fn) {\n        this._disposeFn = fn;\n    };\n    BasePortalOutlet.prototype._invokeDisposeFn = function () {\n        if (this._disposeFn) {\n            this._disposeFn();\n            this._disposeFn = null;\n        }\n    };\n    return BasePortalOutlet;\n}());\n/**\n * @deprecated Use `BasePortalOutlet` instead.\n * @breaking-change 9.0.0\n */\nvar BasePortalHost = /** @class */ (function (_super) {\n    __extends(BasePortalHost, _super);\n    function BasePortalHost() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    return BasePortalHost;\n}(BasePortalOutlet));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A PortalOutlet for attaching portals to an arbitrary DOM element outside of the Angular\n * application context.\n */\nvar DomPortalOutlet = /** @class */ (function (_super) {\n    __extends(DomPortalOutlet, _super);\n    function DomPortalOutlet(\n    /** Element into which the content is projected. */\n    outletElement, _componentFactoryResolver, _appRef, _defaultInjector, \n    /**\n     * @deprecated `_document` Parameter to be made required.\n     * @breaking-change 10.0.0\n     */\n    _document) {\n        var _this = _super.call(this) || this;\n        _this.outletElement = outletElement;\n        _this._componentFactoryResolver = _componentFactoryResolver;\n        _this._appRef = _appRef;\n        _this._defaultInjector = _defaultInjector;\n        /**\n         * Attaches a DOM portal by transferring its content into the outlet.\n         * @param portal Portal to be attached.\n         * @deprecated To be turned into a method.\n         * @breaking-change 10.0.0\n         */\n        _this.attachDomPortal = function (portal) {\n            // @breaking-change 10.0.0 Remove check and error once the\n            // `_document` constructor parameter is required.\n            if (!_this._document) {\n                throw Error('Cannot attach DOM portal without _document constructor parameter');\n            }\n            var element = portal.element;\n            if (!element.parentNode) {\n                throw Error('DOM portal content must be attached to a parent node.');\n            }\n            // Anchor used to save the element's previous position so\n            // that we can restore it when the portal is detached.\n            var anchorNode = _this._document.createComment('dom-portal');\n            element.parentNode.insertBefore(anchorNode, element);\n            _this.outletElement.appendChild(element);\n            _super.prototype.setDisposeFn.call(_this, function () {\n                // We can't use `replaceWith` here because IE doesn't support it.\n                if (anchorNode.parentNode) {\n                    anchorNode.parentNode.replaceChild(element, anchorNode);\n                }\n            });\n        };\n        _this._document = _document;\n        return _this;\n    }\n    /**\n     * Attach the given ComponentPortal to DOM element using the ComponentFactoryResolver.\n     * @param portal Portal to be attached\n     * @returns Reference to the created component.\n     */\n    DomPortalOutlet.prototype.attachComponentPortal = function (portal) {\n        var _this = this;\n        var resolver = portal.componentFactoryResolver || this._componentFactoryResolver;\n        var componentFactory = resolver.resolveComponentFactory(portal.component);\n        var componentRef;\n        // If the portal specifies a ViewContainerRef, we will use that as the attachment point\n        // for the component (in terms of Angular's component tree, not rendering).\n        // When the ViewContainerRef is missing, we use the factory to create the component directly\n        // and then manually attach the view to the application.\n        if (portal.viewContainerRef) {\n            componentRef = portal.viewContainerRef.createComponent(componentFactory, portal.viewContainerRef.length, portal.injector || portal.viewContainerRef.injector);\n            this.setDisposeFn(function () { return componentRef.destroy(); });\n        }\n        else {\n            componentRef = componentFactory.create(portal.injector || this._defaultInjector);\n            this._appRef.attachView(componentRef.hostView);\n            this.setDisposeFn(function () {\n                _this._appRef.detachView(componentRef.hostView);\n                componentRef.destroy();\n            });\n        }\n        // At this point the component has been instantiated, so we move it to the location in the DOM\n        // where we want it to be rendered.\n        this.outletElement.appendChild(this._getComponentRootNode(componentRef));\n        return componentRef;\n    };\n    /**\n     * Attaches a template portal to the DOM as an embedded view.\n     * @param portal Portal to be attached.\n     * @returns Reference to the created embedded view.\n     */\n    DomPortalOutlet.prototype.attachTemplatePortal = function (portal) {\n        var _this = this;\n        var viewContainer = portal.viewContainerRef;\n        var viewRef = viewContainer.createEmbeddedView(portal.templateRef, portal.context);\n        viewRef.detectChanges();\n        // The method `createEmbeddedView` will add the view as a child of the viewContainer.\n        // But for the DomPortalOutlet the view can be added everywhere in the DOM\n        // (e.g Overlay Container) To move the view to the specified host element. We just\n        // re-append the existing root nodes.\n        viewRef.rootNodes.forEach(function (rootNode) { return _this.outletElement.appendChild(rootNode); });\n        this.setDisposeFn((function () {\n            var index = viewContainer.indexOf(viewRef);\n            if (index !== -1) {\n                viewContainer.remove(index);\n            }\n        }));\n        // TODO(jelbourn): Return locals from view.\n        return viewRef;\n    };\n    /**\n     * Clears out a portal from the DOM.\n     */\n    DomPortalOutlet.prototype.dispose = function () {\n        _super.prototype.dispose.call(this);\n        if (this.outletElement.parentNode != null) {\n            this.outletElement.parentNode.removeChild(this.outletElement);\n        }\n    };\n    /** Gets the root HTMLElement for an instantiated component. */\n    DomPortalOutlet.prototype._getComponentRootNode = function (componentRef) {\n        return componentRef.hostView.rootNodes[0];\n    };\n    return DomPortalOutlet;\n}(BasePortalOutlet));\n/**\n * @deprecated Use `DomPortalOutlet` instead.\n * @breaking-change 9.0.0\n */\nvar DomPortalHost = /** @class */ (function (_super) {\n    __extends(DomPortalHost, _super);\n    function DomPortalHost() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    return DomPortalHost;\n}(DomPortalOutlet));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Directive version of a `TemplatePortal`. Because the directive *is* a TemplatePortal,\n * the directive instance itself can be attached to a host, enabling declarative use of portals.\n */\nvar CdkPortal = /** @class */ (function (_super) {\n    __extends(CdkPortal, _super);\n    function CdkPortal(templateRef, viewContainerRef) {\n        return _super.call(this, templateRef, viewContainerRef) || this;\n    }\n    CdkPortal.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkPortal]',\n                    exportAs: 'cdkPortal',\n                },] }\n    ];\n    /** @nocollapse */\n    CdkPortal.ctorParameters = function () { return [\n        { type: TemplateRef },\n        { type: ViewContainerRef }\n    ]; };\n    return CdkPortal;\n}(TemplatePortal));\n/**\n * @deprecated Use `CdkPortal` instead.\n * @breaking-change 9.0.0\n */\nvar TemplatePortalDirective = /** @class */ (function (_super) {\n    __extends(TemplatePortalDirective, _super);\n    function TemplatePortalDirective() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    TemplatePortalDirective.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdk-portal], [portal]',\n                    exportAs: 'cdkPortal',\n                    providers: [{\n                            provide: CdkPortal,\n                            useExisting: TemplatePortalDirective\n                        }]\n                },] }\n    ];\n    return TemplatePortalDirective;\n}(CdkPortal));\n/**\n * Directive version of a PortalOutlet. Because the directive *is* a PortalOutlet, portals can be\n * directly attached to it, enabling declarative use.\n *\n * Usage:\n * `<ng-template [cdkPortalOutlet]=\"greeting\"></ng-template>`\n */\nvar CdkPortalOutlet = /** @class */ (function (_super) {\n    __extends(CdkPortalOutlet, _super);\n    function CdkPortalOutlet(_componentFactoryResolver, _viewContainerRef, \n    /**\n     * @deprecated `_document` parameter to be made required.\n     * @breaking-change 9.0.0\n     */\n    _document) {\n        var _this = _super.call(this) || this;\n        _this._componentFactoryResolver = _componentFactoryResolver;\n        _this._viewContainerRef = _viewContainerRef;\n        /** Whether the portal component is initialized. */\n        _this._isInitialized = false;\n        /** Emits when a portal is attached to the outlet. */\n        _this.attached = new EventEmitter();\n        /**\n         * Attaches the given DomPortal to this PortalHost by moving all of the portal content into it.\n         * @param portal Portal to be attached.\n         * @deprecated To be turned into a method.\n         * @breaking-change 10.0.0\n         */\n        _this.attachDomPortal = function (portal) {\n            // @breaking-change 9.0.0 Remove check and error once the\n            // `_document` constructor parameter is required.\n            if (!_this._document) {\n                throw Error('Cannot attach DOM portal without _document constructor parameter');\n            }\n            var element = portal.element;\n            if (!element.parentNode) {\n                throw Error('DOM portal content must be attached to a parent node.');\n            }\n            // Anchor used to save the element's previous position so\n            // that we can restore it when the portal is detached.\n            var anchorNode = _this._document.createComment('dom-portal');\n            portal.setAttachedHost(_this);\n            element.parentNode.insertBefore(anchorNode, element);\n            _this._getRootNode().appendChild(element);\n            _super.prototype.setDisposeFn.call(_this, function () {\n                if (anchorNode.parentNode) {\n                    anchorNode.parentNode.replaceChild(element, anchorNode);\n                }\n            });\n        };\n        _this._document = _document;\n        return _this;\n    }\n    Object.defineProperty(CdkPortalOutlet.prototype, \"portal\", {\n        /** Portal associated with the Portal outlet. */\n        get: function () {\n            return this._attachedPortal;\n        },\n        set: function (portal) {\n            // Ignore the cases where the `portal` is set to a falsy value before the lifecycle hooks have\n            // run. This handles the cases where the user might do something like `<div cdkPortalOutlet>`\n            // and attach a portal programmatically in the parent component. When Angular does the first CD\n            // round, it will fire the setter with empty string, causing the user's content to be cleared.\n            if (this.hasAttached() && !portal && !this._isInitialized) {\n                return;\n            }\n            if (this.hasAttached()) {\n                _super.prototype.detach.call(this);\n            }\n            if (portal) {\n                _super.prototype.attach.call(this, portal);\n            }\n            this._attachedPortal = portal;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkPortalOutlet.prototype, \"attachedRef\", {\n        /** Component or view reference that is attached to the portal. */\n        get: function () {\n            return this._attachedRef;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    CdkPortalOutlet.prototype.ngOnInit = function () {\n        this._isInitialized = true;\n    };\n    CdkPortalOutlet.prototype.ngOnDestroy = function () {\n        _super.prototype.dispose.call(this);\n        this._attachedPortal = null;\n        this._attachedRef = null;\n    };\n    /**\n     * Attach the given ComponentPortal to this PortalOutlet using the ComponentFactoryResolver.\n     *\n     * @param portal Portal to be attached to the portal outlet.\n     * @returns Reference to the created component.\n     */\n    CdkPortalOutlet.prototype.attachComponentPortal = function (portal) {\n        portal.setAttachedHost(this);\n        // If the portal specifies an origin, use that as the logical location of the component\n        // in the application tree. Otherwise use the location of this PortalOutlet.\n        var viewContainerRef = portal.viewContainerRef != null ?\n            portal.viewContainerRef :\n            this._viewContainerRef;\n        var resolver = portal.componentFactoryResolver || this._componentFactoryResolver;\n        var componentFactory = resolver.resolveComponentFactory(portal.component);\n        var ref = viewContainerRef.createComponent(componentFactory, viewContainerRef.length, portal.injector || viewContainerRef.injector);\n        // If we're using a view container that's different from the injected one (e.g. when the portal\n        // specifies its own) we need to move the component into the outlet, otherwise it'll be rendered\n        // inside of the alternate view container.\n        if (viewContainerRef !== this._viewContainerRef) {\n            this._getRootNode().appendChild(ref.hostView.rootNodes[0]);\n        }\n        _super.prototype.setDisposeFn.call(this, function () { return ref.destroy(); });\n        this._attachedPortal = portal;\n        this._attachedRef = ref;\n        this.attached.emit(ref);\n        return ref;\n    };\n    /**\n     * Attach the given TemplatePortal to this PortalHost as an embedded View.\n     * @param portal Portal to be attached.\n     * @returns Reference to the created embedded view.\n     */\n    CdkPortalOutlet.prototype.attachTemplatePortal = function (portal) {\n        var _this = this;\n        portal.setAttachedHost(this);\n        var viewRef = this._viewContainerRef.createEmbeddedView(portal.templateRef, portal.context);\n        _super.prototype.setDisposeFn.call(this, function () { return _this._viewContainerRef.clear(); });\n        this._attachedPortal = portal;\n        this._attachedRef = viewRef;\n        this.attached.emit(viewRef);\n        return viewRef;\n    };\n    /** Gets the root node of the portal outlet. */\n    CdkPortalOutlet.prototype._getRootNode = function () {\n        var nativeElement = this._viewContainerRef.element.nativeElement;\n        // The directive could be set on a template which will result in a comment\n        // node being the root. Use the comment's parent node if that is the case.\n        return (nativeElement.nodeType === nativeElement.ELEMENT_NODE ?\n            nativeElement : nativeElement.parentNode);\n    };\n    CdkPortalOutlet.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkPortalOutlet]',\n                    exportAs: 'cdkPortalOutlet',\n                    inputs: ['portal: cdkPortalOutlet']\n                },] }\n    ];\n    /** @nocollapse */\n    CdkPortalOutlet.ctorParameters = function () { return [\n        { type: ComponentFactoryResolver },\n        { type: ViewContainerRef },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }\n    ]; };\n    CdkPortalOutlet.propDecorators = {\n        attached: [{ type: Output }]\n    };\n    return CdkPortalOutlet;\n}(BasePortalOutlet));\n/**\n * @deprecated Use `CdkPortalOutlet` instead.\n * @breaking-change 9.0.0\n */\nvar PortalHostDirective = /** @class */ (function (_super) {\n    __extends(PortalHostDirective, _super);\n    function PortalHostDirective() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    PortalHostDirective.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkPortalHost], [portalHost]',\n                    exportAs: 'cdkPortalHost',\n                    inputs: ['portal: cdkPortalHost'],\n                    providers: [{\n                            provide: CdkPortalOutlet,\n                            useExisting: PortalHostDirective\n                        }]\n                },] }\n    ];\n    return PortalHostDirective;\n}(CdkPortalOutlet));\nvar PortalModule = /** @class */ (function () {\n    function PortalModule() {\n    }\n    PortalModule.decorators = [\n        { type: NgModule, args: [{\n                    exports: [CdkPortal, CdkPortalOutlet, TemplatePortalDirective, PortalHostDirective],\n                    declarations: [CdkPortal, CdkPortalOutlet, TemplatePortalDirective, PortalHostDirective],\n                },] }\n    ];\n    return PortalModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Custom injector to be used when providing custom\n * injection tokens to components inside a portal.\n * @docs-private\n */\nvar PortalInjector = /** @class */ (function () {\n    function PortalInjector(_parentInjector, _customTokens) {\n        this._parentInjector = _parentInjector;\n        this._customTokens = _customTokens;\n    }\n    PortalInjector.prototype.get = function (token, notFoundValue) {\n        var value = this._customTokens.get(token);\n        if (typeof value !== 'undefined') {\n            return value;\n        }\n        return this._parentInjector.get(token, notFoundValue);\n    };\n    return PortalInjector;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { BasePortalHost, BasePortalOutlet, CdkPortal, CdkPortalOutlet, ComponentPortal, DomPortal, DomPortalHost, DomPortalOutlet, Portal, PortalHostDirective, PortalInjector, PortalModule, TemplatePortal, TemplatePortalDirective };\n","/**\n * @license Angular v9.0.0\n * (c) 2010-2020 Google LLC. https://angular.io/\n * License: MIT\n */\n\n/**\n * An injectable service that produces an animation sequence programmatically within an\n * Angular component or directive.\n * Provided by the `BrowserAnimationsModule` or `NoopAnimationsModule`.\n *\n * @usageNotes\n *\n * To use this service, add it to your component or directive as a dependency.\n * The service is instantiated along with your component.\n *\n * Apps do not typically need to create their own animation players, but if you\n * do need to, follow these steps:\n *\n * 1. Use the `build()` method to create a programmatic animation using the\n * `animate()` function. The method returns an `AnimationFactory` instance.\n *\n * 2. Use the factory object to create an `AnimationPlayer` and attach it to a DOM element.\n *\n * 3. Use the player object to control the animation programmatically.\n *\n * For example:\n *\n * ```ts\n * // import the service from BrowserAnimationsModule\n * import {AnimationBuilder} from '@angular/animations';\n * // require the service as a dependency\n * class MyCmp {\n *   constructor(private _builder: AnimationBuilder) {}\n *\n *   makeAnimation(element: any) {\n *     // first define a reusable animation\n *     const myAnimation = this._builder.build([\n *       style({ width: 0 }),\n *       animate(1000, style({ width: '100px' }))\n *     ]);\n *\n *     // use the returned factory object to create a player\n *     const player = myAnimation.create(element);\n *\n *     player.play();\n *   }\n * }\n * ```\n *\n * @publicApi\n */\nvar AnimationBuilder = /** @class */ (function () {\n    function AnimationBuilder() {\n    }\n    return AnimationBuilder;\n}());\n/**\n * A factory object returned from the `AnimationBuilder`.`build()` method.\n *\n * @publicApi\n */\nvar AnimationFactory = /** @class */ (function () {\n    function AnimationFactory() {\n    }\n    return AnimationFactory;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Specifies automatic styling.\n *\n * @publicApi\n */\nvar AUTO_STYLE = '*';\n/**\n * Creates a named animation trigger, containing a  list of `state()`\n * and `transition()` entries to be evaluated when the expression\n * bound to the trigger changes.\n *\n * @param name An identifying string.\n * @param definitions  An animation definition object, containing an array of `state()`\n * and `transition()` declarations.\n *\n * @return An object that encapsulates the trigger data.\n *\n * @usageNotes\n * Define an animation trigger in the `animations` section of `@Component` metadata.\n * In the template, reference the trigger by name and bind it to a trigger expression that\n * evaluates to a defined animation state, using the following format:\n *\n * `[@triggerName]=\"expression\"`\n *\n * Animation trigger bindings convert all values to strings, and then match the\n * previous and current values against any linked transitions.\n * Booleans can be specified as `1` or `true` and `0` or `false`.\n *\n * ### Usage Example\n *\n * The following example creates an animation trigger reference based on the provided\n * name value.\n * The provided animation value is expected to be an array consisting of state and\n * transition declarations.\n *\n * ```typescript\n * @Component({\n *   selector: \"my-component\",\n *   templateUrl: \"my-component-tpl.html\",\n *   animations: [\n *     trigger(\"myAnimationTrigger\", [\n *       state(...),\n *       state(...),\n *       transition(...),\n *       transition(...)\n *     ])\n *   ]\n * })\n * class MyComponent {\n *   myStatusExp = \"something\";\n * }\n * ```\n *\n * The template associated with this component makes use of the defined trigger\n * by binding to an element within its template code.\n *\n * ```html\n * <!-- somewhere inside of my-component-tpl.html -->\n * <div [@myAnimationTrigger]=\"myStatusExp\">...</div>\n * ```\n *\n * ### Using an inline function\n * The `transition` animation method also supports reading an inline function which can decide\n * if its associated animation should be run.\n *\n * ```typescript\n * // this method is run each time the `myAnimationTrigger` trigger value changes.\n * function myInlineMatcherFn(fromState: string, toState: string, element: any, params: {[key:\n string]: any}): boolean {\n *   // notice that `element` and `params` are also available here\n *   return toState == 'yes-please-animate';\n * }\n *\n * @Component({\n *   selector: 'my-component',\n *   templateUrl: 'my-component-tpl.html',\n *   animations: [\n *     trigger('myAnimationTrigger', [\n *       transition(myInlineMatcherFn, [\n *         // the animation sequence code\n *       ]),\n *     ])\n *   ]\n * })\n * class MyComponent {\n *   myStatusExp = \"yes-please-animate\";\n * }\n * ```\n *\n * ### Disabling Animations\n * When true, the special animation control binding `@.disabled` binding prevents\n * all animations from rendering.\n * Place the  `@.disabled` binding on an element to disable\n * animations on the element itself, as well as any inner animation triggers\n * within the element.\n *\n * The following example shows how to use this feature:\n *\n * ```typescript\n * @Component({\n *   selector: 'my-component',\n *   template: `\n *     <div [@.disabled]=\"isDisabled\">\n *       <div [@childAnimation]=\"exp\"></div>\n *     </div>\n *   `,\n *   animations: [\n *     trigger(\"childAnimation\", [\n *       // ...\n *     ])\n *   ]\n * })\n * class MyComponent {\n *   isDisabled = true;\n *   exp = '...';\n * }\n * ```\n *\n * When `@.disabled` is true, it prevents the `@childAnimation` trigger from animating,\n * along with any inner animations.\n *\n * ### Disable animations application-wide\n * When an area of the template is set to have animations disabled,\n * **all** inner components have their animations disabled as well.\n * This means that you can disable all animations for an app\n * by placing a host binding set on `@.disabled` on the topmost Angular component.\n *\n * ```typescript\n * import {Component, HostBinding} from '@angular/core';\n *\n * @Component({\n *   selector: 'app-component',\n *   templateUrl: 'app.component.html',\n * })\n * class AppComponent {\n *   @HostBinding('@.disabled')\n *   public animationsDisabled = true;\n * }\n * ```\n *\n * ### Overriding disablement of inner animations\n * Despite inner animations being disabled, a parent animation can `query()`\n * for inner elements located in disabled areas of the template and still animate\n * them if needed. This is also the case for when a sub animation is\n * queried by a parent and then later animated using `animateChild()`.\n *\n * ### Detecting when an animation is disabled\n * If a region of the DOM (or the entire application) has its animations disabled, the animation\n * trigger callbacks still fire, but for zero seconds. When the callback fires, it provides\n * an instance of an `AnimationEvent`. If animations are disabled,\n * the `.disabled` flag on the event is true.\n *\n * @publicApi\n */\nfunction trigger(name, definitions) {\n    return { type: 7 /* Trigger */, name: name, definitions: definitions, options: {} };\n}\n/**\n * Defines an animation step that combines styling information with timing information.\n *\n * @param timings Sets `AnimateTimings` for the parent animation.\n * A string in the format \"duration [delay] [easing]\".\n *  - Duration and delay are expressed as a number and optional time unit,\n * such as \"1s\" or \"10ms\" for one second and 10 milliseconds, respectively.\n * The default unit is milliseconds.\n *  - The easing value controls how the animation accelerates and decelerates\n * during its runtime. Value is one of  `ease`, `ease-in`, `ease-out`,\n * `ease-in-out`, or a `cubic-bezier()` function call.\n * If not supplied, no easing is applied.\n *\n * For example, the string \"1s 100ms ease-out\" specifies a duration of\n * 1000 milliseconds, and delay of 100 ms, and the \"ease-out\" easing style,\n * which decelerates near the end of the duration.\n * @param styles Sets AnimationStyles for the parent animation.\n * A function call to either `style()` or `keyframes()`\n * that returns a collection of CSS style entries to be applied to the parent animation.\n * When null, uses the styles from the destination state.\n * This is useful when describing an animation step that will complete an animation;\n * see \"Animating to the final state\" in `transitions()`.\n * @returns An object that encapsulates the animation step.\n *\n * @usageNotes\n * Call within an animation `sequence()`, `{@link animations/group group()}`, or\n * `transition()` call to specify an animation step\n * that applies given style data to the parent animation for a given amount of time.\n *\n * ### Syntax Examples\n * **Timing examples**\n *\n * The following examples show various `timings` specifications.\n * - `animate(500)` : Duration is 500 milliseconds.\n * - `animate(\"1s\")` : Duration is 1000 milliseconds.\n * - `animate(\"100ms 0.5s\")` : Duration is 100 milliseconds, delay is 500 milliseconds.\n * - `animate(\"5s ease-in\")` : Duration is 5000 milliseconds, easing in.\n * - `animate(\"5s 10ms cubic-bezier(.17,.67,.88,.1)\")` : Duration is 5000 milliseconds, delay is 10\n * milliseconds, easing according to a bezier curve.\n *\n * **Style examples**\n *\n * The following example calls `style()` to set a single CSS style.\n * ```typescript\n * animate(500, style({ background: \"red\" }))\n * ```\n * The following example calls `keyframes()` to set a CSS style\n * to different values for successive keyframes.\n * ```typescript\n * animate(500, keyframes(\n *  [\n *   style({ background: \"blue\" })),\n *   style({ background: \"red\" }))\n *  ])\n * ```\n *\n * @publicApi\n */\nfunction animate(timings, styles) {\n    if (styles === void 0) { styles = null; }\n    return { type: 4 /* Animate */, styles: styles, timings: timings };\n}\n/**\n * @description Defines a list of animation steps to be run in parallel.\n *\n * @param steps An array of animation step objects.\n * - When steps are defined by `style()` or `animate()`\n * function calls, each call within the group is executed instantly.\n * - To specify offset styles to be applied at a later time, define steps with\n * `keyframes()`, or use `animate()` calls with a delay value.\n * For example:\n *\n * ```typescript\n * group([\n *   animate(\"1s\", style({ background: \"black\" })),\n *   animate(\"2s\", style({ color: \"white\" }))\n * ])\n * ```\n *\n * @param options An options object containing a delay and\n * developer-defined parameters that provide styling defaults and\n * can be overridden on invocation.\n *\n * @return An object that encapsulates the group data.\n *\n * @usageNotes\n * Grouped animations are useful when a series of styles must be\n * animated at different starting times and closed off at different ending times.\n *\n * When called within a `sequence()` or a\n * `transition()` call, does not continue to the next\n * instruction until all of the inner animation steps have completed.\n *\n * @publicApi\n */\nfunction group(steps, options) {\n    if (options === void 0) { options = null; }\n    return { type: 3 /* Group */, steps: steps, options: options };\n}\n/**\n * Defines a list of animation steps to be run sequentially, one by one.\n *\n * @param steps An array of animation step objects.\n * - Steps defined by `style()` calls apply the styling data immediately.\n * - Steps defined by `animate()` calls apply the styling data over time\n *   as specified by the timing data.\n *\n * ```typescript\n * sequence([\n *   style({ opacity: 0 }),\n *   animate(\"1s\", style({ opacity: 1 }))\n * ])\n * ```\n *\n * @param options An options object containing a delay and\n * developer-defined parameters that provide styling defaults and\n * can be overridden on invocation.\n *\n * @return An object that encapsulates the sequence data.\n *\n * @usageNotes\n * When you pass an array of steps to a\n * `transition()` call, the steps run sequentially by default.\n * Compare this to the `{@link animations/group group()}` call, which runs animation steps in parallel.\n *\n * When a sequence is used within a `{@link animations/group group()}` or a `transition()` call,\n * execution continues to the next instruction only after each of the inner animation\n * steps have completed.\n *\n * @publicApi\n **/\nfunction sequence(steps, options) {\n    if (options === void 0) { options = null; }\n    return { type: 2 /* Sequence */, steps: steps, options: options };\n}\n/**\n * Declares a key/value object containing CSS properties/styles that\n * can then be used for an animation `state`, within an animation `sequence`,\n * or as styling data for calls to `animate()` and `keyframes()`.\n *\n * @param tokens A set of CSS styles or HTML styles associated with an animation state.\n * The value can be any of the following:\n * - A key-value style pair associating a CSS property with a value.\n * - An array of key-value style pairs.\n * - An asterisk (*), to use auto-styling, where styles are derived from the element\n * being animated and applied to the animation when it starts.\n *\n * Auto-styling can be used to define a state that depends on layout or other\n * environmental factors.\n *\n * @return An object that encapsulates the style data.\n *\n * @usageNotes\n * The following examples create animation styles that collect a set of\n * CSS property values:\n *\n * ```typescript\n * // string values for CSS properties\n * style({ background: \"red\", color: \"blue\" })\n *\n * // numerical pixel values\n * style({ width: 100, height: 0 })\n * ```\n *\n * The following example uses auto-styling to allow a component to animate from\n * a height of 0 up to the height of the parent element:\n *\n * ```\n * style({ height: 0 }),\n * animate(\"1s\", style({ height: \"*\" }))\n * ```\n *\n * @publicApi\n **/\nfunction style(tokens) {\n    return { type: 6 /* Style */, styles: tokens, offset: null };\n}\n/**\n * Declares an animation state within a trigger attached to an element.\n *\n * @param name One or more names for the defined state in a comma-separated string.\n * The following reserved state names can be supplied to define a style for specific use\n * cases:\n *\n * - `void` You can associate styles with this name to be used when\n * the element is detached from the application. For example, when an `ngIf` evaluates\n * to false, the state of the associated element is void.\n *  - `*` (asterisk) Indicates the default state. You can associate styles with this name\n * to be used as the fallback when the state that is being animated is not declared\n * within the trigger.\n *\n * @param styles A set of CSS styles associated with this state, created using the\n * `style()` function.\n * This set of styles persists on the element once the state has been reached.\n * @param options Parameters that can be passed to the state when it is invoked.\n * 0 or more key-value pairs.\n * @return An object that encapsulates the new state data.\n *\n * @usageNotes\n * Use the `trigger()` function to register states to an animation trigger.\n * Use the `transition()` function to animate between states.\n * When a state is active within a component, its associated styles persist on the element,\n * even when the animation ends.\n *\n * @publicApi\n **/\nfunction state(name, styles, options) {\n    return { type: 0 /* State */, name: name, styles: styles, options: options };\n}\n/**\n * Defines a set of animation styles, associating each style with an optional `offset` value.\n *\n * @param steps A set of animation styles with optional offset data.\n * The optional `offset` value for a style specifies a percentage of the total animation\n * time at which that style is applied.\n * @returns An object that encapsulates the keyframes data.\n *\n * @usageNotes\n * Use with the `animate()` call. Instead of applying animations\n * from the current state\n * to the destination state, keyframes describe how each style entry is applied and at what point\n * within the animation arc.\n * Compare [CSS Keyframe Animations](https://www.w3schools.com/css/css3_animations.asp).\n *\n * ### Usage\n *\n * In the following example, the offset values describe\n * when each `backgroundColor` value is applied. The color is red at the start, and changes to\n * blue when 20% of the total time has elapsed.\n *\n * ```typescript\n * // the provided offset values\n * animate(\"5s\", keyframes([\n *   style({ backgroundColor: \"red\", offset: 0 }),\n *   style({ backgroundColor: \"blue\", offset: 0.2 }),\n *   style({ backgroundColor: \"orange\", offset: 0.3 }),\n *   style({ backgroundColor: \"black\", offset: 1 })\n * ]))\n * ```\n *\n * If there are no `offset` values specified in the style entries, the offsets\n * are calculated automatically.\n *\n * ```typescript\n * animate(\"5s\", keyframes([\n *   style({ backgroundColor: \"red\" }) // offset = 0\n *   style({ backgroundColor: \"blue\" }) // offset = 0.33\n *   style({ backgroundColor: \"orange\" }) // offset = 0.66\n *   style({ backgroundColor: \"black\" }) // offset = 1\n * ]))\n *```\n\n * @publicApi\n */\nfunction keyframes(steps) {\n    return { type: 5 /* Keyframes */, steps: steps };\n}\n/**\n * Declares an animation transition as a sequence of animation steps to run when a given\n * condition is satisfied. The condition is a Boolean expression or function that compares\n * the previous and current animation states, and returns true if this transition should occur.\n * When the state criteria of a defined transition are met, the associated animation is\n * triggered.\n *\n * @param stateChangeExpr A Boolean expression or function that compares the previous and current\n * animation states, and returns true if this transition should occur. Note that  \"true\" and \"false\"\n * match 1 and 0, respectively. An expression is evaluated each time a state change occurs in the\n * animation trigger element.\n * The animation steps run when the expression evaluates to true.\n *\n * - A state-change string takes the form \"state1 => state2\", where each side is a defined animation\n * state, or an asterix (*) to refer to a dynamic start or end state.\n *   - The expression string can contain multiple comma-separated statements;\n * for example \"state1 => state2, state3 => state4\".\n *   - Special values `:enter` and `:leave` initiate a transition on the entry and exit states,\n * equivalent to  \"void => *\"  and \"* => void\".\n *   - Special values `:increment` and `:decrement` initiate a transition when a numeric value has\n * increased or decreased in value.\n * - A function is executed each time a state change occurs in the animation trigger element.\n * The animation steps run when the function returns true.\n *\n * @param steps One or more animation objects, as returned by the `animate()` or\n * `sequence()` function, that form a transformation from one state to another.\n * A sequence is used by default when you pass an array.\n * @param options An options object that can contain a delay value for the start of the animation,\n * and additional developer-defined parameters. Provided values for additional parameters are used\n * as defaults, and override values can be passed to the caller on invocation.\n * @returns An object that encapsulates the transition data.\n *\n * @usageNotes\n * The template associated with a component binds an animation trigger to an element.\n *\n * ```HTML\n * <!-- somewhere inside of my-component-tpl.html -->\n * <div [@myAnimationTrigger]=\"myStatusExp\">...</div>\n * ```\n *\n * All transitions are defined within an animation trigger,\n * along with named states that the transitions change to and from.\n *\n * ```typescript\n * trigger(\"myAnimationTrigger\", [\n *  // define states\n *  state(\"on\", style({ background: \"green\" })),\n *  state(\"off\", style({ background: \"grey\" })),\n *  ...]\n * ```\n *\n * Note that when you call the `sequence()` function within a `{@link animations/group group()}`\n * or a `transition()` call, execution does not continue to the next instruction\n * until each of the inner animation steps have completed.\n *\n * ### Syntax examples\n *\n * The following examples define transitions between the two defined states (and default states),\n * using various options:\n *\n * ```typescript\n * // Transition occurs when the state value\n * // bound to \"myAnimationTrigger\" changes from \"on\" to \"off\"\n * transition(\"on => off\", animate(500))\n * // Run the same animation for both directions\n * transition(\"on <=> off\", animate(500))\n * // Define multiple state-change pairs separated by commas\n * transition(\"on => off, off => void\", animate(500))\n * ```\n *\n * ### Special values for state-change expressions\n *\n * - Catch-all state change for when an element is inserted into the page and the\n * destination state is unknown:\n *\n * ```typescript\n * transition(\"void => *\", [\n *  style({ opacity: 0 }),\n *  animate(500)\n *  ])\n * ```\n *\n * - Capture a state change between any states:\n *\n *  `transition(\"* => *\", animate(\"1s 0s\"))`\n *\n * - Entry and exit transitions:\n *\n * ```typescript\n * transition(\":enter\", [\n *   style({ opacity: 0 }),\n *   animate(500, style({ opacity: 1 }))\n *   ]),\n * transition(\":leave\", [\n *   animate(500, style({ opacity: 0 }))\n *   ])\n * ```\n *\n * - Use `:increment` and `:decrement` to initiate transitions:\n *\n * ```typescript\n * transition(\":increment\", group([\n *  query(':enter', [\n *     style({ left: '100%' }),\n *     animate('0.5s ease-out', style('*'))\n *   ]),\n *  query(':leave', [\n *     animate('0.5s ease-out', style({ left: '-100%' }))\n *  ])\n * ]))\n *\n * transition(\":decrement\", group([\n *  query(':enter', [\n *     style({ left: '100%' }),\n *     animate('0.5s ease-out', style('*'))\n *   ]),\n *  query(':leave', [\n *     animate('0.5s ease-out', style({ left: '-100%' }))\n *  ])\n * ]))\n * ```\n *\n * ### State-change functions\n *\n * Here is an example of a `fromState` specified as a state-change function that invokes an\n * animation when true:\n *\n * ```typescript\n * transition((fromState, toState) =>\n *  {\n *   return fromState == \"off\" && toState == \"on\";\n *  },\n *  animate(\"1s 0s\"))\n * ```\n *\n * ### Animating to the final state\n *\n * If the final step in a transition is a call to `animate()` that uses a timing value\n * with no style data, that step is automatically considered the final animation arc,\n * for the element to reach the final state. Angular automatically adds or removes\n * CSS styles to ensure that the element is in the correct final state.\n *\n * The following example defines a transition that starts by hiding the element,\n * then makes sure that it animates properly to whatever state is currently active for trigger:\n *\n * ```typescript\n * transition(\"void => *\", [\n *   style({ opacity: 0 }),\n *   animate(500)\n *  ])\n * ```\n * ### Boolean value matching\n * If a trigger binding value is a Boolean, it can be matched using a transition expression\n * that compares true and false or 1 and 0. For example:\n *\n * ```\n * // in the template\n * <div [@openClose]=\"open ? true : false\">...</div>\n * // in the component metadata\n * trigger('openClose', [\n *   state('true', style({ height: '*' })),\n *   state('false', style({ height: '0px' })),\n *   transition('false <=> true', animate(500))\n * ])\n * ```\n *\n * @publicApi\n **/\nfunction transition(stateChangeExpr, steps, options) {\n    if (options === void 0) { options = null; }\n    return { type: 1 /* Transition */, expr: stateChangeExpr, animation: steps, options: options };\n}\n/**\n * Produces a reusable animation that can be invoked in another animation or sequence,\n * by calling the `useAnimation()` function.\n *\n * @param steps One or more animation objects, as returned by the `animate()`\n * or `sequence()` function, that form a transformation from one state to another.\n * A sequence is used by default when you pass an array.\n * @param options An options object that can contain a delay value for the start of the\n * animation, and additional developer-defined parameters.\n * Provided values for additional parameters are used as defaults,\n * and override values can be passed to the caller on invocation.\n * @returns An object that encapsulates the animation data.\n *\n * @usageNotes\n * The following example defines a reusable animation, providing some default parameter\n * values.\n *\n * ```typescript\n * var fadeAnimation = animation([\n *   style({ opacity: '{{ start }}' }),\n *   animate('{{ time }}',\n *   style({ opacity: '{{ end }}'}))\n *   ],\n *   { params: { time: '1000ms', start: 0, end: 1 }});\n * ```\n *\n * The following invokes the defined animation with a call to `useAnimation()`,\n * passing in override parameter values.\n *\n * ```js\n * useAnimation(fadeAnimation, {\n *   params: {\n *     time: '2s',\n *     start: 1,\n *     end: 0\n *   }\n * })\n * ```\n *\n * If any of the passed-in parameter values are missing from this call,\n * the default values are used. If one or more parameter values are missing before a step is\n * animated, `useAnimation()` throws an error.\n *\n * @publicApi\n */\nfunction animation(steps, options) {\n    if (options === void 0) { options = null; }\n    return { type: 8 /* Reference */, animation: steps, options: options };\n}\n/**\n * Executes a queried inner animation element within an animation sequence.\n *\n * @param options An options object that can contain a delay value for the start of the\n * animation, and additional override values for developer-defined parameters.\n * @return An object that encapsulates the child animation data.\n *\n * @usageNotes\n * Each time an animation is triggered in Angular, the parent animation\n * has priority and any child animations are blocked. In order\n * for a child animation to run, the parent animation must query each of the elements\n * containing child animations, and run them using this function.\n *\n * Note that this feature is designed to be used with `query()` and it will only work\n * with animations that are assigned using the Angular animation library. CSS keyframes\n * and transitions are not handled by this API.\n *\n * @publicApi\n */\nfunction animateChild(options) {\n    if (options === void 0) { options = null; }\n    return { type: 9 /* AnimateChild */, options: options };\n}\n/**\n * Starts a reusable animation that is created using the `animation()` function.\n *\n * @param animation The reusable animation to start.\n * @param options An options object that can contain a delay value for the start of\n * the animation, and additional override values for developer-defined parameters.\n * @return An object that contains the animation parameters.\n *\n * @publicApi\n */\nfunction useAnimation(animation, options) {\n    if (options === void 0) { options = null; }\n    return { type: 10 /* AnimateRef */, animation: animation, options: options };\n}\n/**\n * Finds one or more inner elements within the current element that is\n * being animated within a sequence. Use with `animate()`.\n *\n * @param selector The element to query, or a set of elements that contain Angular-specific\n * characteristics, specified with one or more of the following tokens.\n *  - `query(\":enter\")` or `query(\":leave\")` : Query for newly inserted/removed elements.\n *  - `query(\":animating\")` : Query all currently animating elements.\n *  - `query(\"@triggerName\")` : Query elements that contain an animation trigger.\n *  - `query(\"@*\")` : Query all elements that contain an animation triggers.\n *  - `query(\":self\")` : Include the current element into the animation sequence.\n *\n * @param animation One or more animation steps to apply to the queried element or elements.\n * An array is treated as an animation sequence.\n * @param options An options object. Use the 'limit' field to limit the total number of\n * items to collect.\n * @return An object that encapsulates the query data.\n *\n * @usageNotes\n * Tokens can be merged into a combined query selector string. For example:\n *\n * ```typescript\n *  query(':self, .record:enter, .record:leave, @subTrigger', [...])\n * ```\n *\n * The `query()` function collects multiple elements and works internally by using\n * `element.querySelectorAll`. Use the `limit` field of an options object to limit\n * the total number of items to be collected. For example:\n *\n * ```js\n * query('div', [\n *   animate(...),\n *   animate(...)\n * ], { limit: 1 })\n * ```\n *\n * By default, throws an error when zero items are found. Set the\n * `optional` flag to ignore this error. For example:\n *\n * ```js\n * query('.some-element-that-may-not-be-there', [\n *   animate(...),\n *   animate(...)\n * ], { optional: true })\n * ```\n *\n * ### Usage Example\n *\n * The following example queries for inner elements and animates them\n * individually using `animate()`.\n *\n * ```typescript\n * @Component({\n *   selector: 'inner',\n *   template: `\n *     <div [@queryAnimation]=\"exp\">\n *       <h1>Title</h1>\n *       <div class=\"content\">\n *         Blah blah blah\n *       </div>\n *     </div>\n *   `,\n *   animations: [\n *    trigger('queryAnimation', [\n *      transition('* => goAnimate', [\n *        // hide the inner elements\n *        query('h1', style({ opacity: 0 })),\n *        query('.content', style({ opacity: 0 })),\n *\n *        // animate the inner elements in, one by one\n *        query('h1', animate(1000, style({ opacity: 1 }))),\n *        query('.content', animate(1000, style({ opacity: 1 }))),\n *      ])\n *    ])\n *  ]\n * })\n * class Cmp {\n *   exp = '';\n *\n *   goAnimate() {\n *     this.exp = 'goAnimate';\n *   }\n * }\n * ```\n *\n * @publicApi\n */\nfunction query(selector, animation, options) {\n    if (options === void 0) { options = null; }\n    return { type: 11 /* Query */, selector: selector, animation: animation, options: options };\n}\n/**\n * Use within an animation `query()` call to issue a timing gap after\n * each queried item is animated.\n *\n * @param timings A delay value.\n * @param animation One ore more animation steps.\n * @returns An object that encapsulates the stagger data.\n *\n * @usageNotes\n * In the following example, a container element wraps a list of items stamped out\n * by an `ngFor`. The container element contains an animation trigger that will later be set\n * to query for each of the inner items.\n *\n * Each time items are added, the opacity fade-in animation runs,\n * and each removed item is faded out.\n * When either of these animations occur, the stagger effect is\n * applied after each item's animation is started.\n *\n * ```html\n * <!-- list.component.html -->\n * <button (click)=\"toggle()\">Show / Hide Items</button>\n * <hr />\n * <div [@listAnimation]=\"items.length\">\n *   <div *ngFor=\"let item of items\">\n *     {{ item }}\n *   </div>\n * </div>\n * ```\n *\n * Here is the component code:\n *\n * ```typescript\n * import {trigger, transition, style, animate, query, stagger} from '@angular/animations';\n * @Component({\n *   templateUrl: 'list.component.html',\n *   animations: [\n *     trigger('listAnimation', [\n *     ...\n *     ])\n *   ]\n * })\n * class ListComponent {\n *   items = [];\n *\n *   showItems() {\n *     this.items = [0,1,2,3,4];\n *   }\n *\n *   hideItems() {\n *     this.items = [];\n *   }\n *\n *   toggle() {\n *     this.items.length ? this.hideItems() : this.showItems();\n *    }\n *  }\n * ```\n *\n * Here is the animation trigger code:\n *\n * ```typescript\n * trigger('listAnimation', [\n *   transition('* => *', [ // each time the binding value changes\n *     query(':leave', [\n *       stagger(100, [\n *         animate('0.5s', style({ opacity: 0 }))\n *       ])\n *     ]),\n *     query(':enter', [\n *       style({ opacity: 0 }),\n *       stagger(100, [\n *         animate('0.5s', style({ opacity: 1 }))\n *       ])\n *     ])\n *   ])\n * ])\n * ```\n *\n * @publicApi\n */\nfunction stagger(timings, animation) {\n    return { type: 12 /* Stagger */, timings: timings, animation: animation };\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction scheduleMicroTask(cb) {\n    Promise.resolve(null).then(cb);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * An empty programmatic controller for reusable animations.\n * Used internally when animations are disabled, to avoid\n * checking for the null case when an animation player is expected.\n *\n * @see `animate()`\n * @see `AnimationPlayer`\n * @see `GroupPlayer`\n *\n * @publicApi\n */\nvar NoopAnimationPlayer = /** @class */ (function () {\n    function NoopAnimationPlayer(duration, delay) {\n        if (duration === void 0) { duration = 0; }\n        if (delay === void 0) { delay = 0; }\n        this._onDoneFns = [];\n        this._onStartFns = [];\n        this._onDestroyFns = [];\n        this._started = false;\n        this._destroyed = false;\n        this._finished = false;\n        this.parentPlayer = null;\n        this.totalTime = duration + delay;\n    }\n    NoopAnimationPlayer.prototype._onFinish = function () {\n        if (!this._finished) {\n            this._finished = true;\n            this._onDoneFns.forEach(function (fn) { return fn(); });\n            this._onDoneFns = [];\n        }\n    };\n    NoopAnimationPlayer.prototype.onStart = function (fn) { this._onStartFns.push(fn); };\n    NoopAnimationPlayer.prototype.onDone = function (fn) { this._onDoneFns.push(fn); };\n    NoopAnimationPlayer.prototype.onDestroy = function (fn) { this._onDestroyFns.push(fn); };\n    NoopAnimationPlayer.prototype.hasStarted = function () { return this._started; };\n    NoopAnimationPlayer.prototype.init = function () { };\n    NoopAnimationPlayer.prototype.play = function () {\n        if (!this.hasStarted()) {\n            this._onStart();\n            this.triggerMicrotask();\n        }\n        this._started = true;\n    };\n    /** @internal */\n    NoopAnimationPlayer.prototype.triggerMicrotask = function () {\n        var _this = this;\n        scheduleMicroTask(function () { return _this._onFinish(); });\n    };\n    NoopAnimationPlayer.prototype._onStart = function () {\n        this._onStartFns.forEach(function (fn) { return fn(); });\n        this._onStartFns = [];\n    };\n    NoopAnimationPlayer.prototype.pause = function () { };\n    NoopAnimationPlayer.prototype.restart = function () { };\n    NoopAnimationPlayer.prototype.finish = function () { this._onFinish(); };\n    NoopAnimationPlayer.prototype.destroy = function () {\n        if (!this._destroyed) {\n            this._destroyed = true;\n            if (!this.hasStarted()) {\n                this._onStart();\n            }\n            this.finish();\n            this._onDestroyFns.forEach(function (fn) { return fn(); });\n            this._onDestroyFns = [];\n        }\n    };\n    NoopAnimationPlayer.prototype.reset = function () { };\n    NoopAnimationPlayer.prototype.setPosition = function (position) { };\n    NoopAnimationPlayer.prototype.getPosition = function () { return 0; };\n    /** @internal */\n    NoopAnimationPlayer.prototype.triggerCallback = function (phaseName) {\n        var methods = phaseName == 'start' ? this._onStartFns : this._onDoneFns;\n        methods.forEach(function (fn) { return fn(); });\n        methods.length = 0;\n    };\n    return NoopAnimationPlayer;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A programmatic controller for a group of reusable animations.\n * Used internally to control animations.\n *\n * @see `AnimationPlayer`\n * @see `{@link animations/group group()}`\n *\n */\nvar AnimationGroupPlayer = /** @class */ (function () {\n    function AnimationGroupPlayer(_players) {\n        var _this = this;\n        this._onDoneFns = [];\n        this._onStartFns = [];\n        this._finished = false;\n        this._started = false;\n        this._destroyed = false;\n        this._onDestroyFns = [];\n        this.parentPlayer = null;\n        this.totalTime = 0;\n        this.players = _players;\n        var doneCount = 0;\n        var destroyCount = 0;\n        var startCount = 0;\n        var total = this.players.length;\n        if (total == 0) {\n            scheduleMicroTask(function () { return _this._onFinish(); });\n        }\n        else {\n            this.players.forEach(function (player) {\n                player.onDone(function () {\n                    if (++doneCount == total) {\n                        _this._onFinish();\n                    }\n                });\n                player.onDestroy(function () {\n                    if (++destroyCount == total) {\n                        _this._onDestroy();\n                    }\n                });\n                player.onStart(function () {\n                    if (++startCount == total) {\n                        _this._onStart();\n                    }\n                });\n            });\n        }\n        this.totalTime = this.players.reduce(function (time, player) { return Math.max(time, player.totalTime); }, 0);\n    }\n    AnimationGroupPlayer.prototype._onFinish = function () {\n        if (!this._finished) {\n            this._finished = true;\n            this._onDoneFns.forEach(function (fn) { return fn(); });\n            this._onDoneFns = [];\n        }\n    };\n    AnimationGroupPlayer.prototype.init = function () { this.players.forEach(function (player) { return player.init(); }); };\n    AnimationGroupPlayer.prototype.onStart = function (fn) { this._onStartFns.push(fn); };\n    AnimationGroupPlayer.prototype._onStart = function () {\n        if (!this.hasStarted()) {\n            this._started = true;\n            this._onStartFns.forEach(function (fn) { return fn(); });\n            this._onStartFns = [];\n        }\n    };\n    AnimationGroupPlayer.prototype.onDone = function (fn) { this._onDoneFns.push(fn); };\n    AnimationGroupPlayer.prototype.onDestroy = function (fn) { this._onDestroyFns.push(fn); };\n    AnimationGroupPlayer.prototype.hasStarted = function () { return this._started; };\n    AnimationGroupPlayer.prototype.play = function () {\n        if (!this.parentPlayer) {\n            this.init();\n        }\n        this._onStart();\n        this.players.forEach(function (player) { return player.play(); });\n    };\n    AnimationGroupPlayer.prototype.pause = function () { this.players.forEach(function (player) { return player.pause(); }); };\n    AnimationGroupPlayer.prototype.restart = function () { this.players.forEach(function (player) { return player.restart(); }); };\n    AnimationGroupPlayer.prototype.finish = function () {\n        this._onFinish();\n        this.players.forEach(function (player) { return player.finish(); });\n    };\n    AnimationGroupPlayer.prototype.destroy = function () { this._onDestroy(); };\n    AnimationGroupPlayer.prototype._onDestroy = function () {\n        if (!this._destroyed) {\n            this._destroyed = true;\n            this._onFinish();\n            this.players.forEach(function (player) { return player.destroy(); });\n            this._onDestroyFns.forEach(function (fn) { return fn(); });\n            this._onDestroyFns = [];\n        }\n    };\n    AnimationGroupPlayer.prototype.reset = function () {\n        this.players.forEach(function (player) { return player.reset(); });\n        this._destroyed = false;\n        this._finished = false;\n        this._started = false;\n    };\n    AnimationGroupPlayer.prototype.setPosition = function (p) {\n        var timeAtPosition = p * this.totalTime;\n        this.players.forEach(function (player) {\n            var position = player.totalTime ? Math.min(1, timeAtPosition / player.totalTime) : 1;\n            player.setPosition(position);\n        });\n    };\n    AnimationGroupPlayer.prototype.getPosition = function () {\n        var min = 0;\n        this.players.forEach(function (player) {\n            var p = player.getPosition();\n            min = Math.min(p, min);\n        });\n        return min;\n    };\n    AnimationGroupPlayer.prototype.beforeDestroy = function () {\n        this.players.forEach(function (player) {\n            if (player.beforeDestroy) {\n                player.beforeDestroy();\n            }\n        });\n    };\n    /** @internal */\n    AnimationGroupPlayer.prototype.triggerCallback = function (phaseName) {\n        var methods = phaseName == 'start' ? this._onStartFns : this._onDoneFns;\n        methods.forEach(function (fn) { return fn(); });\n        methods.length = 0;\n    };\n    return AnimationGroupPlayer;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ɵPRE_STYLE = '!';\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { AUTO_STYLE, AnimationBuilder, AnimationFactory, NoopAnimationPlayer, animate, animateChild, animation, group, keyframes, query, sequence, stagger, state, style, transition, trigger, useAnimation, AnimationGroupPlayer as ɵAnimationGroupPlayer, ɵPRE_STYLE };\n","import { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { Observable } from '../Observable';\nimport { MonoTypeOperatorFunction, TeardownLogic } from '../types';\n\n/**\n * Returns an Observable that mirrors the source Observable, but will call a specified function when\n * the source terminates on complete or error.\n * @param {function} callback Function to be called when source terminates.\n * @return {Observable} An Observable that mirrors the source, but will call the specified function on termination.\n * @method finally\n * @owner Observable\n */\nexport function finalize<T>(callback: () => void): MonoTypeOperatorFunction<T> {\n  return (source: Observable<T>) => source.lift(new FinallyOperator(callback));\n}\n\nclass FinallyOperator<T> implements Operator<T, T> {\n  constructor(private callback: () => void) {\n  }\n\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    return source.subscribe(new FinallySubscriber(subscriber, this.callback));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass FinallySubscriber<T> extends Subscriber<T> {\n  constructor(destination: Subscriber<T>, callback: () => void) {\n    super(destination);\n    this.add(new Subscription(callback));\n  }\n}\n","import { __extends } from \"tslib\";\nimport Path from '../Path';\nvar CircleShape = (function () {\n    function CircleShape() {\n        this.cx = 0;\n        this.cy = 0;\n        this.r = 0;\n    }\n    return CircleShape;\n}());\nexport { CircleShape };\nvar Circle = (function (_super) {\n    __extends(Circle, _super);\n    function Circle(opts) {\n        return _super.call(this, opts) || this;\n    }\n    Circle.prototype.getDefaultShape = function () {\n        return new CircleShape();\n    };\n    Circle.prototype.buildPath = function (ctx, shape, inBundle) {\n        if (inBundle) {\n            ctx.moveTo(shape.cx + shape.r, shape.cy);\n        }\n        ctx.arc(shape.cx, shape.cy, shape.r, 0, Math.PI * 2);\n    };\n    return Circle;\n}(Path));\n;\nCircle.prototype.type = 'circle';\nexport default Circle;\n","module.exports = function(module) {\n\tif (!module.webpackPolyfill) {\n\t\tmodule.deprecate = function() {};\n\t\tmodule.paths = [];\n\t\t// module.parent = undefined by default\n\t\tif (!module.children) module.children = [];\n\t\tObject.defineProperty(module, \"loaded\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.l;\n\t\t\t}\n\t\t});\n\t\tObject.defineProperty(module, \"id\", {\n\t\t\tenumerable: true,\n\t\t\tget: function() {\n\t\t\t\treturn module.i;\n\t\t\t}\n\t\t});\n\t\tmodule.webpackPolyfill = 1;\n\t}\n\treturn module;\n};\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Type describing the allowed values for a boolean input.\n * @docs-private\n */\nexport type BooleanInput = string | boolean | null | undefined;\n\n/** Coerces a data-bound value (typically a string) to a boolean. */\nexport function coerceBooleanProperty(value: any): boolean {\n  return value != null && `${value}` !== 'false';\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Type describing the allowed values for a number input\n * @docs-private\n */\nexport type NumberInput = string | number | null | undefined;\n\n/** Coerces a data-bound value (typically a string) to a number. */\nexport function coerceNumberProperty(value: any): number;\nexport function coerceNumberProperty<D>(value: any, fallback: D): number | D;\nexport function coerceNumberProperty(value: any, fallbackValue = 0) {\n  return _isNumberValue(value) ? Number(value) : fallbackValue;\n}\n\n/**\n * Whether the provided value is considered a number.\n * @docs-private\n */\nexport function _isNumberValue(value: any): boolean {\n  // parseFloat(value) handles most of the cases we're interested in (it treats null, empty string,\n  // and other non-number values as NaN, where Number just uses 0) but it considers the string\n  // '123hello' to be a valid number. Therefore we also check if Number(value) is NaN.\n  return !isNaN(parseFloat(value as any)) && !isNaN(Number(value));\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/** Wraps the provided value in an array, unless the provided value is an array. */\nexport function coerceArray<T>(value: T | T[]): T[] {\n  return Array.isArray(value) ? value : [value];\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/** Coerces a value to a CSS pixel value. */\nexport function coerceCssPixelValue(value: any): string {\n  if (value == null) {\n    return '';\n  }\n\n  return typeof value === 'string' ? value : `${value}px`;\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {ElementRef} from '@angular/core';\n\n/**\n * Coerces an ElementRef or an Element into an element.\n * Useful for APIs that can accept either a ref or the native element itself.\n */\nexport function coerceElement<T>(elementOrRef: ElementRef<T> | T): T {\n  return elementOrRef instanceof ElementRef ? elementOrRef.nativeElement : elementOrRef;\n}\n","import { CommonModule } from '@angular/common';\nimport { Component, ViewEncapsulation, ChangeDetectionStrategy, ElementRef, Optional, Inject, ViewChild, Input, NgModule } from '@angular/core';\nimport { mixinColor, mixinDisabled, mixinDisableRipple, MatRipple, MatRippleModule, MatCommonModule } from '@angular/material/core';\nimport { __extends, __values } from 'tslib';\nimport { FocusMonitor } from '@angular/cdk/a11y';\nimport { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Default color palette for round buttons (mat-fab and mat-mini-fab) */\nvar DEFAULT_ROUND_BUTTON_COLOR = 'accent';\n/**\n * List of classes to add to MatButton instances based on host attributes to\n * style as different variants.\n */\nvar BUTTON_HOST_ATTRIBUTES = [\n    'mat-button',\n    'mat-flat-button',\n    'mat-icon-button',\n    'mat-raised-button',\n    'mat-stroked-button',\n    'mat-mini-fab',\n    'mat-fab',\n];\n// Boilerplate for applying mixins to MatButton.\n/** @docs-private */\nvar MatButtonBase = /** @class */ (function () {\n    function MatButtonBase(_elementRef) {\n        this._elementRef = _elementRef;\n    }\n    return MatButtonBase;\n}());\nvar _MatButtonMixinBase = mixinColor(mixinDisabled(mixinDisableRipple(MatButtonBase)));\n/**\n * Material design button.\n */\nvar MatButton = /** @class */ (function (_super) {\n    __extends(MatButton, _super);\n    function MatButton(elementRef, _focusMonitor, _animationMode) {\n        var e_1, _a;\n        var _this = _super.call(this, elementRef) || this;\n        _this._focusMonitor = _focusMonitor;\n        _this._animationMode = _animationMode;\n        /** Whether the button is round. */\n        _this.isRoundButton = _this._hasHostAttributes('mat-fab', 'mat-mini-fab');\n        /** Whether the button is icon button. */\n        _this.isIconButton = _this._hasHostAttributes('mat-icon-button');\n        try {\n            // For each of the variant selectors that is present in the button's host\n            // attributes, add the correct corresponding class.\n            for (var BUTTON_HOST_ATTRIBUTES_1 = __values(BUTTON_HOST_ATTRIBUTES), BUTTON_HOST_ATTRIBUTES_1_1 = BUTTON_HOST_ATTRIBUTES_1.next(); !BUTTON_HOST_ATTRIBUTES_1_1.done; BUTTON_HOST_ATTRIBUTES_1_1 = BUTTON_HOST_ATTRIBUTES_1.next()) {\n                var attr = BUTTON_HOST_ATTRIBUTES_1_1.value;\n                if (_this._hasHostAttributes(attr)) {\n                    _this._getHostElement().classList.add(attr);\n                }\n            }\n        }\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\n        finally {\n            try {\n                if (BUTTON_HOST_ATTRIBUTES_1_1 && !BUTTON_HOST_ATTRIBUTES_1_1.done && (_a = BUTTON_HOST_ATTRIBUTES_1.return)) _a.call(BUTTON_HOST_ATTRIBUTES_1);\n            }\n            finally { if (e_1) throw e_1.error; }\n        }\n        // Add a class that applies to all buttons. This makes it easier to target if somebody\n        // wants to target all Material buttons. We do it here rather than `host` to ensure that\n        // the class is applied to derived classes.\n        elementRef.nativeElement.classList.add('mat-button-base');\n        _this._focusMonitor.monitor(_this._elementRef, true);\n        if (_this.isRoundButton) {\n            _this.color = DEFAULT_ROUND_BUTTON_COLOR;\n        }\n        return _this;\n    }\n    MatButton.prototype.ngOnDestroy = function () {\n        this._focusMonitor.stopMonitoring(this._elementRef);\n    };\n    /** Focuses the button. */\n    MatButton.prototype.focus = function (origin, options) {\n        if (origin === void 0) { origin = 'program'; }\n        this._focusMonitor.focusVia(this._getHostElement(), origin, options);\n    };\n    MatButton.prototype._getHostElement = function () {\n        return this._elementRef.nativeElement;\n    };\n    MatButton.prototype._isRippleDisabled = function () {\n        return this.disableRipple || this.disabled;\n    };\n    /** Gets whether the button has one of the given attributes. */\n    MatButton.prototype._hasHostAttributes = function () {\n        var _this = this;\n        var attributes = [];\n        for (var _i = 0; _i < arguments.length; _i++) {\n            attributes[_i] = arguments[_i];\n        }\n        return attributes.some(function (attribute) { return _this._getHostElement().hasAttribute(attribute); });\n    };\n    MatButton.decorators = [\n        { type: Component, args: [{\n                    selector: \"button[mat-button], button[mat-raised-button], button[mat-icon-button],\\n             button[mat-fab], button[mat-mini-fab], button[mat-stroked-button],\\n             button[mat-flat-button]\",\n                    exportAs: 'matButton',\n                    host: {\n                        '[attr.disabled]': 'disabled || null',\n                        '[class._mat-animation-noopable]': '_animationMode === \"NoopAnimations\"',\n                    },\n                    template: \"<span class=\\\"mat-button-wrapper\\\"><ng-content></ng-content></span>\\n<div matRipple class=\\\"mat-button-ripple\\\"\\n     [class.mat-button-ripple-round]=\\\"isRoundButton || isIconButton\\\"\\n     [matRippleDisabled]=\\\"_isRippleDisabled()\\\"\\n     [matRippleCentered]=\\\"isIconButton\\\"\\n     [matRippleTrigger]=\\\"_getHostElement()\\\"></div>\\n<div class=\\\"mat-button-focus-overlay\\\"></div>\\n\",\n                    inputs: ['disabled', 'disableRipple', 'color'],\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    styles: [\".mat-button .mat-button-focus-overlay,.mat-icon-button .mat-button-focus-overlay{opacity:0}.mat-button:hover .mat-button-focus-overlay,.mat-stroked-button:hover .mat-button-focus-overlay{opacity:.04}@media(hover: none){.mat-button:hover .mat-button-focus-overlay,.mat-stroked-button:hover .mat-button-focus-overlay{opacity:0}}.mat-button,.mat-icon-button,.mat-stroked-button,.mat-flat-button{box-sizing:border-box;position:relative;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:pointer;outline:none;border:none;-webkit-tap-highlight-color:transparent;display:inline-block;white-space:nowrap;text-decoration:none;vertical-align:baseline;text-align:center;margin:0;min-width:64px;line-height:36px;padding:0 16px;border-radius:4px;overflow:visible}.mat-button::-moz-focus-inner,.mat-icon-button::-moz-focus-inner,.mat-stroked-button::-moz-focus-inner,.mat-flat-button::-moz-focus-inner{border:0}.mat-button[disabled],.mat-icon-button[disabled],.mat-stroked-button[disabled],.mat-flat-button[disabled]{cursor:default}.mat-button.cdk-keyboard-focused .mat-button-focus-overlay,.mat-button.cdk-program-focused .mat-button-focus-overlay,.mat-icon-button.cdk-keyboard-focused .mat-button-focus-overlay,.mat-icon-button.cdk-program-focused .mat-button-focus-overlay,.mat-stroked-button.cdk-keyboard-focused .mat-button-focus-overlay,.mat-stroked-button.cdk-program-focused .mat-button-focus-overlay,.mat-flat-button.cdk-keyboard-focused .mat-button-focus-overlay,.mat-flat-button.cdk-program-focused .mat-button-focus-overlay{opacity:.12}.mat-button::-moz-focus-inner,.mat-icon-button::-moz-focus-inner,.mat-stroked-button::-moz-focus-inner,.mat-flat-button::-moz-focus-inner{border:0}.mat-raised-button{box-sizing:border-box;position:relative;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:pointer;outline:none;border:none;-webkit-tap-highlight-color:transparent;display:inline-block;white-space:nowrap;text-decoration:none;vertical-align:baseline;text-align:center;margin:0;min-width:64px;line-height:36px;padding:0 16px;border-radius:4px;overflow:visible;transform:translate3d(0, 0, 0);transition:background 400ms cubic-bezier(0.25, 0.8, 0.25, 1),box-shadow 280ms cubic-bezier(0.4, 0, 0.2, 1)}.mat-raised-button::-moz-focus-inner{border:0}.mat-raised-button[disabled]{cursor:default}.mat-raised-button.cdk-keyboard-focused .mat-button-focus-overlay,.mat-raised-button.cdk-program-focused .mat-button-focus-overlay{opacity:.12}.mat-raised-button::-moz-focus-inner{border:0}._mat-animation-noopable.mat-raised-button{transition:none;animation:none}.mat-stroked-button{border:1px solid currentColor;padding:0 15px;line-height:34px}.mat-stroked-button .mat-button-ripple.mat-ripple,.mat-stroked-button .mat-button-focus-overlay{top:-1px;left:-1px;right:-1px;bottom:-1px}.mat-fab{box-sizing:border-box;position:relative;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:pointer;outline:none;border:none;-webkit-tap-highlight-color:transparent;display:inline-block;white-space:nowrap;text-decoration:none;vertical-align:baseline;text-align:center;margin:0;min-width:64px;line-height:36px;padding:0 16px;border-radius:4px;overflow:visible;transform:translate3d(0, 0, 0);transition:background 400ms cubic-bezier(0.25, 0.8, 0.25, 1),box-shadow 280ms cubic-bezier(0.4, 0, 0.2, 1);min-width:0;border-radius:50%;width:56px;height:56px;padding:0;flex-shrink:0}.mat-fab::-moz-focus-inner{border:0}.mat-fab[disabled]{cursor:default}.mat-fab.cdk-keyboard-focused .mat-button-focus-overlay,.mat-fab.cdk-program-focused .mat-button-focus-overlay{opacity:.12}.mat-fab::-moz-focus-inner{border:0}._mat-animation-noopable.mat-fab{transition:none;animation:none}.mat-fab .mat-button-wrapper{padding:16px 0;display:inline-block;line-height:24px}.mat-mini-fab{box-sizing:border-box;position:relative;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:pointer;outline:none;border:none;-webkit-tap-highlight-color:transparent;display:inline-block;white-space:nowrap;text-decoration:none;vertical-align:baseline;text-align:center;margin:0;min-width:64px;line-height:36px;padding:0 16px;border-radius:4px;overflow:visible;transform:translate3d(0, 0, 0);transition:background 400ms cubic-bezier(0.25, 0.8, 0.25, 1),box-shadow 280ms cubic-bezier(0.4, 0, 0.2, 1);min-width:0;border-radius:50%;width:40px;height:40px;padding:0;flex-shrink:0}.mat-mini-fab::-moz-focus-inner{border:0}.mat-mini-fab[disabled]{cursor:default}.mat-mini-fab.cdk-keyboard-focused .mat-button-focus-overlay,.mat-mini-fab.cdk-program-focused .mat-button-focus-overlay{opacity:.12}.mat-mini-fab::-moz-focus-inner{border:0}._mat-animation-noopable.mat-mini-fab{transition:none;animation:none}.mat-mini-fab .mat-button-wrapper{padding:8px 0;display:inline-block;line-height:24px}.mat-icon-button{padding:0;min-width:0;width:40px;height:40px;flex-shrink:0;line-height:40px;border-radius:50%}.mat-icon-button i,.mat-icon-button .mat-icon{line-height:24px}.mat-button-ripple.mat-ripple,.mat-button-focus-overlay{top:0;left:0;right:0;bottom:0;position:absolute;pointer-events:none;border-radius:inherit}.mat-button-ripple.mat-ripple:not(:empty){transform:translateZ(0)}.mat-button-focus-overlay{opacity:0;transition:opacity 200ms cubic-bezier(0.35, 0, 0.25, 1),background-color 200ms cubic-bezier(0.35, 0, 0.25, 1)}._mat-animation-noopable .mat-button-focus-overlay{transition:none}.cdk-high-contrast-active .mat-button-focus-overlay{background-color:#fff}.cdk-high-contrast-black-on-white .mat-button-focus-overlay{background-color:#000}.mat-button-ripple-round{border-radius:50%;z-index:1}.mat-button .mat-button-wrapper>*,.mat-flat-button .mat-button-wrapper>*,.mat-stroked-button .mat-button-wrapper>*,.mat-raised-button .mat-button-wrapper>*,.mat-icon-button .mat-button-wrapper>*,.mat-fab .mat-button-wrapper>*,.mat-mini-fab .mat-button-wrapper>*{vertical-align:middle}.mat-form-field:not(.mat-form-field-appearance-legacy) .mat-form-field-prefix .mat-icon-button,.mat-form-field:not(.mat-form-field-appearance-legacy) .mat-form-field-suffix .mat-icon-button{display:block;font-size:inherit;width:2.5em;height:2.5em}.cdk-high-contrast-active .mat-button,.cdk-high-contrast-active .mat-flat-button,.cdk-high-contrast-active .mat-raised-button,.cdk-high-contrast-active .mat-icon-button,.cdk-high-contrast-active .mat-fab,.cdk-high-contrast-active .mat-mini-fab{outline:solid 1px}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatButton.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: FocusMonitor },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    MatButton.propDecorators = {\n        ripple: [{ type: ViewChild, args: [MatRipple,] }]\n    };\n    return MatButton;\n}(_MatButtonMixinBase));\n/**\n * Material design anchor button.\n */\nvar MatAnchor = /** @class */ (function (_super) {\n    __extends(MatAnchor, _super);\n    function MatAnchor(focusMonitor, elementRef, animationMode) {\n        return _super.call(this, elementRef, focusMonitor, animationMode) || this;\n    }\n    MatAnchor.prototype._haltDisabledEvents = function (event) {\n        // A disabled button shouldn't apply any actions\n        if (this.disabled) {\n            event.preventDefault();\n            event.stopImmediatePropagation();\n        }\n    };\n    MatAnchor.decorators = [\n        { type: Component, args: [{\n                    selector: \"a[mat-button], a[mat-raised-button], a[mat-icon-button], a[mat-fab],\\n             a[mat-mini-fab], a[mat-stroked-button], a[mat-flat-button]\",\n                    exportAs: 'matButton, matAnchor',\n                    host: {\n                        // Note that we ignore the user-specified tabindex when it's disabled for\n                        // consistency with the `mat-button` applied on native buttons where even\n                        // though they have an index, they're not tabbable.\n                        '[attr.tabindex]': 'disabled ? -1 : (tabIndex || 0)',\n                        '[attr.disabled]': 'disabled || null',\n                        '[attr.aria-disabled]': 'disabled.toString()',\n                        '(click)': '_haltDisabledEvents($event)',\n                        '[class._mat-animation-noopable]': '_animationMode === \"NoopAnimations\"',\n                    },\n                    inputs: ['disabled', 'disableRipple', 'color'],\n                    template: \"<span class=\\\"mat-button-wrapper\\\"><ng-content></ng-content></span>\\n<div matRipple class=\\\"mat-button-ripple\\\"\\n     [class.mat-button-ripple-round]=\\\"isRoundButton || isIconButton\\\"\\n     [matRippleDisabled]=\\\"_isRippleDisabled()\\\"\\n     [matRippleCentered]=\\\"isIconButton\\\"\\n     [matRippleTrigger]=\\\"_getHostElement()\\\"></div>\\n<div class=\\\"mat-button-focus-overlay\\\"></div>\\n\",\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    styles: [\".mat-button .mat-button-focus-overlay,.mat-icon-button .mat-button-focus-overlay{opacity:0}.mat-button:hover .mat-button-focus-overlay,.mat-stroked-button:hover .mat-button-focus-overlay{opacity:.04}@media(hover: none){.mat-button:hover .mat-button-focus-overlay,.mat-stroked-button:hover .mat-button-focus-overlay{opacity:0}}.mat-button,.mat-icon-button,.mat-stroked-button,.mat-flat-button{box-sizing:border-box;position:relative;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:pointer;outline:none;border:none;-webkit-tap-highlight-color:transparent;display:inline-block;white-space:nowrap;text-decoration:none;vertical-align:baseline;text-align:center;margin:0;min-width:64px;line-height:36px;padding:0 16px;border-radius:4px;overflow:visible}.mat-button::-moz-focus-inner,.mat-icon-button::-moz-focus-inner,.mat-stroked-button::-moz-focus-inner,.mat-flat-button::-moz-focus-inner{border:0}.mat-button[disabled],.mat-icon-button[disabled],.mat-stroked-button[disabled],.mat-flat-button[disabled]{cursor:default}.mat-button.cdk-keyboard-focused .mat-button-focus-overlay,.mat-button.cdk-program-focused .mat-button-focus-overlay,.mat-icon-button.cdk-keyboard-focused .mat-button-focus-overlay,.mat-icon-button.cdk-program-focused .mat-button-focus-overlay,.mat-stroked-button.cdk-keyboard-focused .mat-button-focus-overlay,.mat-stroked-button.cdk-program-focused .mat-button-focus-overlay,.mat-flat-button.cdk-keyboard-focused .mat-button-focus-overlay,.mat-flat-button.cdk-program-focused .mat-button-focus-overlay{opacity:.12}.mat-button::-moz-focus-inner,.mat-icon-button::-moz-focus-inner,.mat-stroked-button::-moz-focus-inner,.mat-flat-button::-moz-focus-inner{border:0}.mat-raised-button{box-sizing:border-box;position:relative;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:pointer;outline:none;border:none;-webkit-tap-highlight-color:transparent;display:inline-block;white-space:nowrap;text-decoration:none;vertical-align:baseline;text-align:center;margin:0;min-width:64px;line-height:36px;padding:0 16px;border-radius:4px;overflow:visible;transform:translate3d(0, 0, 0);transition:background 400ms cubic-bezier(0.25, 0.8, 0.25, 1),box-shadow 280ms cubic-bezier(0.4, 0, 0.2, 1)}.mat-raised-button::-moz-focus-inner{border:0}.mat-raised-button[disabled]{cursor:default}.mat-raised-button.cdk-keyboard-focused .mat-button-focus-overlay,.mat-raised-button.cdk-program-focused .mat-button-focus-overlay{opacity:.12}.mat-raised-button::-moz-focus-inner{border:0}._mat-animation-noopable.mat-raised-button{transition:none;animation:none}.mat-stroked-button{border:1px solid currentColor;padding:0 15px;line-height:34px}.mat-stroked-button .mat-button-ripple.mat-ripple,.mat-stroked-button .mat-button-focus-overlay{top:-1px;left:-1px;right:-1px;bottom:-1px}.mat-fab{box-sizing:border-box;position:relative;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:pointer;outline:none;border:none;-webkit-tap-highlight-color:transparent;display:inline-block;white-space:nowrap;text-decoration:none;vertical-align:baseline;text-align:center;margin:0;min-width:64px;line-height:36px;padding:0 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.mat-button-focus-overlay{opacity:.12}.mat-mini-fab::-moz-focus-inner{border:0}._mat-animation-noopable.mat-mini-fab{transition:none;animation:none}.mat-mini-fab .mat-button-wrapper{padding:8px 0;display:inline-block;line-height:24px}.mat-icon-button{padding:0;min-width:0;width:40px;height:40px;flex-shrink:0;line-height:40px;border-radius:50%}.mat-icon-button i,.mat-icon-button .mat-icon{line-height:24px}.mat-button-ripple.mat-ripple,.mat-button-focus-overlay{top:0;left:0;right:0;bottom:0;position:absolute;pointer-events:none;border-radius:inherit}.mat-button-ripple.mat-ripple:not(:empty){transform:translateZ(0)}.mat-button-focus-overlay{opacity:0;transition:opacity 200ms cubic-bezier(0.35, 0, 0.25, 1),background-color 200ms cubic-bezier(0.35, 0, 0.25, 1)}._mat-animation-noopable .mat-button-focus-overlay{transition:none}.cdk-high-contrast-active .mat-button-focus-overlay{background-color:#fff}.cdk-high-contrast-black-on-white .mat-button-focus-overlay{background-color:#000}.mat-button-ripple-round{border-radius:50%;z-index:1}.mat-button .mat-button-wrapper>*,.mat-flat-button .mat-button-wrapper>*,.mat-stroked-button .mat-button-wrapper>*,.mat-raised-button .mat-button-wrapper>*,.mat-icon-button .mat-button-wrapper>*,.mat-fab .mat-button-wrapper>*,.mat-mini-fab .mat-button-wrapper>*{vertical-align:middle}.mat-form-field:not(.mat-form-field-appearance-legacy) .mat-form-field-prefix .mat-icon-button,.mat-form-field:not(.mat-form-field-appearance-legacy) .mat-form-field-suffix .mat-icon-button{display:block;font-size:inherit;width:2.5em;height:2.5em}.cdk-high-contrast-active .mat-button,.cdk-high-contrast-active .mat-flat-button,.cdk-high-contrast-active .mat-raised-button,.cdk-high-contrast-active .mat-icon-button,.cdk-high-contrast-active .mat-fab,.cdk-high-contrast-active .mat-mini-fab{outline:solid 1px}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatAnchor.ctorParameters = function () { return [\n        { type: FocusMonitor },\n        { type: ElementRef },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    MatAnchor.propDecorators = {\n        tabIndex: [{ type: Input }]\n    };\n    return MatAnchor;\n}(MatButton));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatButtonModule = /** @class */ (function () {\n    function MatButtonModule() {\n    }\n    MatButtonModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [\n                        CommonModule,\n                        MatRippleModule,\n                        MatCommonModule,\n                    ],\n                    exports: [\n                        MatButton,\n                        MatAnchor,\n                        MatCommonModule,\n                    ],\n                    declarations: [\n                        MatButton,\n                        MatAnchor,\n                    ],\n                },] }\n    ];\n    return MatButtonModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MatAnchor, MatButton, MatButtonModule };\n","/**\n * @license Angular v9.0.0\n * (c) 2010-2020 Google LLC. https://angular.io/\n * License: MIT\n */\n\nimport { __spread, __read, __extends, __decorate, __metadata, __param } from 'tslib';\nimport { Injectable, InjectionToken, Inject, PLATFORM_ID, Injector, NgModule } from '@angular/core';\nimport { of, Observable } from 'rxjs';\nimport { concatMap, filter, map } from 'rxjs/operators';\nimport { DOCUMENT, ɵparseCookieValue } from '@angular/common';\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Transforms an `HttpRequest` into a stream of `HttpEvent`s, one of which will likely be a\n * `HttpResponse`.\n *\n * `HttpHandler` is injectable. When injected, the handler instance dispatches requests to the\n * first interceptor in the chain, which dispatches to the second, etc, eventually reaching the\n * `HttpBackend`.\n *\n * In an `HttpInterceptor`, the `HttpHandler` parameter is the next interceptor in the chain.\n *\n * @publicApi\n */\nvar HttpHandler = /** @class */ (function () {\n    function HttpHandler() {\n    }\n    return HttpHandler;\n}());\n/**\n * A final `HttpHandler` which will dispatch the request via browser HTTP APIs to a backend.\n *\n * Interceptors sit between the `HttpClient` interface and the `HttpBackend`.\n *\n * When injected, `HttpBackend` dispatches requests directly to the backend, without going\n * through the interceptor chain.\n *\n * @publicApi\n */\nvar HttpBackend = /** @class */ (function () {\n    function HttpBackend() {\n    }\n    return HttpBackend;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Represents the header configuration options for an HTTP request.\n * Instances are immutable. Modifying methods return a cloned\n * instance with the change. The original object is never changed.\n *\n * @publicApi\n */\nvar HttpHeaders = /** @class */ (function () {\n    /**  Constructs a new HTTP header object with the given values.*/\n    function HttpHeaders(headers) {\n        var _this = this;\n        /**\n         * Internal map of lowercased header names to the normalized\n         * form of the name (the form seen first).\n         */\n        this.normalizedNames = new Map();\n        /**\n         * Queued updates to be materialized the next initialization.\n         */\n        this.lazyUpdate = null;\n        if (!headers) {\n            this.headers = new Map();\n        }\n        else if (typeof headers === 'string') {\n            this.lazyInit = function () {\n                _this.headers = new Map();\n                headers.split('\\n').forEach(function (line) {\n                    var index = line.indexOf(':');\n                    if (index > 0) {\n                        var name_1 = line.slice(0, index);\n                        var key = name_1.toLowerCase();\n                        var value = line.slice(index + 1).trim();\n                        _this.maybeSetNormalizedName(name_1, key);\n                        if (_this.headers.has(key)) {\n                            _this.headers.get(key).push(value);\n                        }\n                        else {\n                            _this.headers.set(key, [value]);\n                        }\n                    }\n                });\n            };\n        }\n        else {\n            this.lazyInit = function () {\n                _this.headers = new Map();\n                Object.keys(headers).forEach(function (name) {\n                    var values = headers[name];\n                    var key = name.toLowerCase();\n                    if (typeof values === 'string') {\n                        values = [values];\n                    }\n                    if (values.length > 0) {\n                        _this.headers.set(key, values);\n                        _this.maybeSetNormalizedName(name, key);\n                    }\n                });\n            };\n        }\n    }\n    /**\n     * Checks for existence of a given header.\n     *\n     * @param name The header name to check for existence.\n     *\n     * @returns True if the header exists, false otherwise.\n     */\n    HttpHeaders.prototype.has = function (name) {\n        this.init();\n        return this.headers.has(name.toLowerCase());\n    };\n    /**\n     * Retrieves the first value of a given header.\n     *\n     * @param name The header name.\n     *\n     * @returns The value string if the header exists, null otherwise\n     */\n    HttpHeaders.prototype.get = function (name) {\n        this.init();\n        var values = this.headers.get(name.toLowerCase());\n        return values && values.length > 0 ? values[0] : null;\n    };\n    /**\n     * Retrieves the names of the headers.\n     *\n     * @returns A list of header names.\n     */\n    HttpHeaders.prototype.keys = function () {\n        this.init();\n        return Array.from(this.normalizedNames.values());\n    };\n    /**\n     * Retrieves a list of values for a given header.\n     *\n     * @param name The header name from which to retrieve values.\n     *\n     * @returns A string of values if the header exists, null otherwise.\n     */\n    HttpHeaders.prototype.getAll = function (name) {\n        this.init();\n        return this.headers.get(name.toLowerCase()) || null;\n    };\n    /**\n     * Appends a new value to the existing set of values for a header\n     * and returns them in a clone of the original instance.\n     *\n     * @param name The header name for which to append the values.\n     * @param value The value to append.\n     *\n     * @returns A clone of the HTTP headers object with the value appended to the given header.\n     */\n    HttpHeaders.prototype.append = function (name, value) {\n        return this.clone({ name: name, value: value, op: 'a' });\n    };\n    /**\n     * Sets or modifies a value for a given header in a clone of the original instance.\n     * If the header already exists, its value is replaced with the given value\n     * in the returned object.\n     *\n     * @param name The header name.\n     * @param value The value or values to set or overide for the given header.\n     *\n     * @returns A clone of the HTTP headers object with the newly set header value.\n     */\n    HttpHeaders.prototype.set = function (name, value) {\n        return this.clone({ name: name, value: value, op: 's' });\n    };\n    /**\n     * Deletes values for a given header in a clone of the original instance.\n     *\n     * @param name The header name.\n     * @param value The value or values to delete for the given header.\n     *\n     * @returns A clone of the HTTP headers object with the given value deleted.\n     */\n    HttpHeaders.prototype.delete = function (name, value) {\n        return this.clone({ name: name, value: value, op: 'd' });\n    };\n    HttpHeaders.prototype.maybeSetNormalizedName = function (name, lcName) {\n        if (!this.normalizedNames.has(lcName)) {\n            this.normalizedNames.set(lcName, name);\n        }\n    };\n    HttpHeaders.prototype.init = function () {\n        var _this = this;\n        if (!!this.lazyInit) {\n            if (this.lazyInit instanceof HttpHeaders) {\n                this.copyFrom(this.lazyInit);\n            }\n            else {\n                this.lazyInit();\n            }\n            this.lazyInit = null;\n            if (!!this.lazyUpdate) {\n                this.lazyUpdate.forEach(function (update) { return _this.applyUpdate(update); });\n                this.lazyUpdate = null;\n            }\n        }\n    };\n    HttpHeaders.prototype.copyFrom = function (other) {\n        var _this = this;\n        other.init();\n        Array.from(other.headers.keys()).forEach(function (key) {\n            _this.headers.set(key, other.headers.get(key));\n            _this.normalizedNames.set(key, other.normalizedNames.get(key));\n        });\n    };\n    HttpHeaders.prototype.clone = function (update) {\n        var clone = new HttpHeaders();\n        clone.lazyInit =\n            (!!this.lazyInit && this.lazyInit instanceof HttpHeaders) ? this.lazyInit : this;\n        clone.lazyUpdate = (this.lazyUpdate || []).concat([update]);\n        return clone;\n    };\n    HttpHeaders.prototype.applyUpdate = function (update) {\n        var key = update.name.toLowerCase();\n        switch (update.op) {\n            case 'a':\n            case 's':\n                var value = update.value;\n                if (typeof value === 'string') {\n                    value = [value];\n                }\n                if (value.length === 0) {\n                    return;\n                }\n                this.maybeSetNormalizedName(update.name, key);\n                var base = (update.op === 'a' ? this.headers.get(key) : undefined) || [];\n                base.push.apply(base, __spread(value));\n                this.headers.set(key, base);\n                break;\n            case 'd':\n                var toDelete_1 = update.value;\n                if (!toDelete_1) {\n                    this.headers.delete(key);\n                    this.normalizedNames.delete(key);\n                }\n                else {\n                    var existing = this.headers.get(key);\n                    if (!existing) {\n                        return;\n                    }\n                    existing = existing.filter(function (value) { return toDelete_1.indexOf(value) === -1; });\n                    if (existing.length === 0) {\n                        this.headers.delete(key);\n                        this.normalizedNames.delete(key);\n                    }\n                    else {\n                        this.headers.set(key, existing);\n                    }\n                }\n                break;\n        }\n    };\n    /**\n     * @internal\n     */\n    HttpHeaders.prototype.forEach = function (fn) {\n        var _this = this;\n        this.init();\n        Array.from(this.normalizedNames.keys())\n            .forEach(function (key) { return fn(_this.normalizedNames.get(key), _this.headers.get(key)); });\n    };\n    return HttpHeaders;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Provides encoding and decoding of URL parameter and query-string values.\n *\n * Serializes and parses URL parameter keys and values to encode and decode them.\n * If you pass URL query parameters without encoding,\n * the query parameters can be misinterpreted at the receiving end.\n *\n *\n * @publicApi\n */\nvar HttpUrlEncodingCodec = /** @class */ (function () {\n    function HttpUrlEncodingCodec() {\n    }\n    /**\n     * Encodes a key name for a URL parameter or query-string.\n     * @param key The key name.\n     * @returns The encoded key name.\n     */\n    HttpUrlEncodingCodec.prototype.encodeKey = function (key) { return standardEncoding(key); };\n    /**\n     * Encodes the value of a URL parameter or query-string.\n     * @param value The value.\n     * @returns The encoded value.\n     */\n    HttpUrlEncodingCodec.prototype.encodeValue = function (value) { return standardEncoding(value); };\n    /**\n     * Decodes an encoded URL parameter or query-string key.\n     * @param key The encoded key name.\n     * @returns The decoded key name.\n     */\n    HttpUrlEncodingCodec.prototype.decodeKey = function (key) { return decodeURIComponent(key); };\n    /**\n     * Decodes an encoded URL parameter or query-string value.\n     * @param value The encoded value.\n     * @returns The decoded value.\n     */\n    HttpUrlEncodingCodec.prototype.decodeValue = function (value) { return decodeURIComponent(value); };\n    return HttpUrlEncodingCodec;\n}());\nfunction paramParser(rawParams, codec) {\n    var map = new Map();\n    if (rawParams.length > 0) {\n        var params = rawParams.split('&');\n        params.forEach(function (param) {\n            var eqIdx = param.indexOf('=');\n            var _a = __read(eqIdx == -1 ?\n                [codec.decodeKey(param), ''] :\n                [codec.decodeKey(param.slice(0, eqIdx)), codec.decodeValue(param.slice(eqIdx + 1))], 2), key = _a[0], val = _a[1];\n            var list = map.get(key) || [];\n            list.push(val);\n            map.set(key, list);\n        });\n    }\n    return map;\n}\nfunction standardEncoding(v) {\n    return encodeURIComponent(v)\n        .replace(/%40/gi, '@')\n        .replace(/%3A/gi, ':')\n        .replace(/%24/gi, '$')\n        .replace(/%2C/gi, ',')\n        .replace(/%3B/gi, ';')\n        .replace(/%2B/gi, '+')\n        .replace(/%3D/gi, '=')\n        .replace(/%3F/gi, '?')\n        .replace(/%2F/gi, '/');\n}\n/**\n * An HTTP request/response body that represents serialized parameters,\n * per the MIME type `application/x-www-form-urlencoded`.\n *\n * This class is immutable; all mutation operations return a new instance.\n *\n * @publicApi\n */\nvar HttpParams = /** @class */ (function () {\n    function HttpParams(options) {\n        var _this = this;\n        if (options === void 0) { options = {}; }\n        this.updates = null;\n        this.cloneFrom = null;\n        this.encoder = options.encoder || new HttpUrlEncodingCodec();\n        if (!!options.fromString) {\n            if (!!options.fromObject) {\n                throw new Error(\"Cannot specify both fromString and fromObject.\");\n            }\n            this.map = paramParser(options.fromString, this.encoder);\n        }\n        else if (!!options.fromObject) {\n            this.map = new Map();\n            Object.keys(options.fromObject).forEach(function (key) {\n                var value = options.fromObject[key];\n                _this.map.set(key, Array.isArray(value) ? value : [value]);\n            });\n        }\n        else {\n            this.map = null;\n        }\n    }\n    /**\n     * Reports whether the body includes one or more values for a given parameter.\n     * @param param The parameter name.\n     * @returns True if the parameter has one or more values,\n     * false if it has no value or is not present.\n     */\n    HttpParams.prototype.has = function (param) {\n        this.init();\n        return this.map.has(param);\n    };\n    /**\n     * Retrieves the first value for a parameter.\n     * @param param The parameter name.\n     * @returns The first value of the given parameter,\n     * or `null` if the parameter is not present.\n     */\n    HttpParams.prototype.get = function (param) {\n        this.init();\n        var res = this.map.get(param);\n        return !!res ? res[0] : null;\n    };\n    /**\n     * Retrieves all values for a  parameter.\n     * @param param The parameter name.\n     * @returns All values in a string array,\n     * or `null` if the parameter not present.\n     */\n    HttpParams.prototype.getAll = function (param) {\n        this.init();\n        return this.map.get(param) || null;\n    };\n    /**\n     * Retrieves all the parameters for this body.\n     * @returns The parameter names in a string array.\n     */\n    HttpParams.prototype.keys = function () {\n        this.init();\n        return Array.from(this.map.keys());\n    };\n    /**\n     * Appends a new value to existing values for a parameter.\n     * @param param The parameter name.\n     * @param value The new value to add.\n     * @return A new body with the appended value.\n     */\n    HttpParams.prototype.append = function (param, value) { return this.clone({ param: param, value: value, op: 'a' }); };\n    /**\n     * Replaces the value for a parameter.\n     * @param param The parameter name.\n     * @param value The new value.\n     * @return A new body with the new value.\n     */\n    HttpParams.prototype.set = function (param, value) { return this.clone({ param: param, value: value, op: 's' }); };\n    /**\n     * Removes a given value or all values from a parameter.\n     * @param param The parameter name.\n     * @param value The value to remove, if provided.\n     * @return A new body with the given value removed, or with all values\n     * removed if no value is specified.\n     */\n    HttpParams.prototype.delete = function (param, value) { return this.clone({ param: param, value: value, op: 'd' }); };\n    /**\n     * Serializes the body to an encoded string, where key-value pairs (separated by `=`) are\n     * separated by `&`s.\n     */\n    HttpParams.prototype.toString = function () {\n        var _this = this;\n        this.init();\n        return this.keys()\n            .map(function (key) {\n            var eKey = _this.encoder.encodeKey(key);\n            // `a: ['1']` produces `'a=1'`\n            // `b: []` produces `''`\n            // `c: ['1', '2']` produces `'c=1&c=2'`\n            return _this.map.get(key).map(function (value) { return eKey + '=' + _this.encoder.encodeValue(value); })\n                .join('&');\n        })\n            // filter out empty values because `b: []` produces `''`\n            // which results in `a=1&&c=1&c=2` instead of `a=1&c=1&c=2` if we don't\n            .filter(function (param) { return param !== ''; })\n            .join('&');\n    };\n    HttpParams.prototype.clone = function (update) {\n        var clone = new HttpParams({ encoder: this.encoder });\n        clone.cloneFrom = this.cloneFrom || this;\n        clone.updates = (this.updates || []).concat([update]);\n        return clone;\n    };\n    HttpParams.prototype.init = function () {\n        var _this = this;\n        if (this.map === null) {\n            this.map = new Map();\n        }\n        if (this.cloneFrom !== null) {\n            this.cloneFrom.init();\n            this.cloneFrom.keys().forEach(function (key) { return _this.map.set(key, _this.cloneFrom.map.get(key)); });\n            this.updates.forEach(function (update) {\n                switch (update.op) {\n                    case 'a':\n                    case 's':\n                        var base = (update.op === 'a' ? _this.map.get(update.param) : undefined) || [];\n                        base.push(update.value);\n                        _this.map.set(update.param, base);\n                        break;\n                    case 'd':\n                        if (update.value !== undefined) {\n                            var base_1 = _this.map.get(update.param) || [];\n                            var idx = base_1.indexOf(update.value);\n                            if (idx !== -1) {\n                                base_1.splice(idx, 1);\n                            }\n                            if (base_1.length > 0) {\n                                _this.map.set(update.param, base_1);\n                            }\n                            else {\n                                _this.map.delete(update.param);\n                            }\n                        }\n                        else {\n                            _this.map.delete(update.param);\n                            break;\n                        }\n                }\n            });\n            this.cloneFrom = this.updates = null;\n        }\n    };\n    return HttpParams;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Determine whether the given HTTP method may include a body.\n */\nfunction mightHaveBody(method) {\n    switch (method) {\n        case 'DELETE':\n        case 'GET':\n        case 'HEAD':\n        case 'OPTIONS':\n        case 'JSONP':\n            return false;\n        default:\n            return true;\n    }\n}\n/**\n * Safely assert whether the given value is an ArrayBuffer.\n *\n * In some execution environments ArrayBuffer is not defined.\n */\nfunction isArrayBuffer(value) {\n    return typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer;\n}\n/**\n * Safely assert whether the given value is a Blob.\n *\n * In some execution environments Blob is not defined.\n */\nfunction isBlob(value) {\n    return typeof Blob !== 'undefined' && value instanceof Blob;\n}\n/**\n * Safely assert whether the given value is a FormData instance.\n *\n * In some execution environments FormData is not defined.\n */\nfunction isFormData(value) {\n    return typeof FormData !== 'undefined' && value instanceof FormData;\n}\n/**\n * An outgoing HTTP request with an optional typed body.\n *\n * `HttpRequest` represents an outgoing request, including URL, method,\n * headers, body, and other request configuration options. Instances should be\n * assumed to be immutable. To modify a `HttpRequest`, the `clone`\n * method should be used.\n *\n * @publicApi\n */\nvar HttpRequest = /** @class */ (function () {\n    function HttpRequest(method, url, third, fourth) {\n        this.url = url;\n        /**\n         * The request body, or `null` if one isn't set.\n         *\n         * Bodies are not enforced to be immutable, as they can include a reference to any\n         * user-defined data type. However, interceptors should take care to preserve\n         * idempotence by treating them as such.\n         */\n        this.body = null;\n        /**\n         * Whether this request should be made in a way that exposes progress events.\n         *\n         * Progress events are expensive (change detection runs on each event) and so\n         * they should only be requested if the consumer intends to monitor them.\n         */\n        this.reportProgress = false;\n        /**\n         * Whether this request should be sent with outgoing credentials (cookies).\n         */\n        this.withCredentials = false;\n        /**\n         * The expected response type of the server.\n         *\n         * This is used to parse the response appropriately before returning it to\n         * the requestee.\n         */\n        this.responseType = 'json';\n        this.method = method.toUpperCase();\n        // Next, need to figure out which argument holds the HttpRequestInit\n        // options, if any.\n        var options;\n        // Check whether a body argument is expected. The only valid way to omit\n        // the body argument is to use a known no-body method like GET.\n        if (mightHaveBody(this.method) || !!fourth) {\n            // Body is the third argument, options are the fourth.\n            this.body = (third !== undefined) ? third : null;\n            options = fourth;\n        }\n        else {\n            // No body required, options are the third argument. The body stays null.\n            options = third;\n        }\n        // If options have been passed, interpret them.\n        if (options) {\n            // Normalize reportProgress and withCredentials.\n            this.reportProgress = !!options.reportProgress;\n            this.withCredentials = !!options.withCredentials;\n            // Override default response type of 'json' if one is provided.\n            if (!!options.responseType) {\n                this.responseType = options.responseType;\n            }\n            // Override headers if they're provided.\n            if (!!options.headers) {\n                this.headers = options.headers;\n            }\n            if (!!options.params) {\n                this.params = options.params;\n            }\n        }\n        // If no headers have been passed in, construct a new HttpHeaders instance.\n        if (!this.headers) {\n            this.headers = new HttpHeaders();\n        }\n        // If no parameters have been passed in, construct a new HttpUrlEncodedParams instance.\n        if (!this.params) {\n            this.params = new HttpParams();\n            this.urlWithParams = url;\n        }\n        else {\n            // Encode the parameters to a string in preparation for inclusion in the URL.\n            var params = this.params.toString();\n            if (params.length === 0) {\n                // No parameters, the visible URL is just the URL given at creation time.\n                this.urlWithParams = url;\n            }\n            else {\n                // Does the URL already have query parameters? Look for '?'.\n                var qIdx = url.indexOf('?');\n                // There are 3 cases to handle:\n                // 1) No existing parameters -> append '?' followed by params.\n                // 2) '?' exists and is followed by existing query string ->\n                //    append '&' followed by params.\n                // 3) '?' exists at the end of the url -> append params directly.\n                // This basically amounts to determining the character, if any, with\n                // which to join the URL and parameters.\n                var sep = qIdx === -1 ? '?' : (qIdx < url.length - 1 ? '&' : '');\n                this.urlWithParams = url + sep + params;\n            }\n        }\n    }\n    /**\n     * Transform the free-form body into a serialized format suitable for\n     * transmission to the server.\n     */\n    HttpRequest.prototype.serializeBody = function () {\n        // If no body is present, no need to serialize it.\n        if (this.body === null) {\n            return null;\n        }\n        // Check whether the body is already in a serialized form. If so,\n        // it can just be returned directly.\n        if (isArrayBuffer(this.body) || isBlob(this.body) || isFormData(this.body) ||\n            typeof this.body === 'string') {\n            return this.body;\n        }\n        // Check whether the body is an instance of HttpUrlEncodedParams.\n        if (this.body instanceof HttpParams) {\n            return this.body.toString();\n        }\n        // Check whether the body is an object or array, and serialize with JSON if so.\n        if (typeof this.body === 'object' || typeof this.body === 'boolean' ||\n            Array.isArray(this.body)) {\n            return JSON.stringify(this.body);\n        }\n        // Fall back on toString() for everything else.\n        return this.body.toString();\n    };\n    /**\n     * Examine the body and attempt to infer an appropriate MIME type\n     * for it.\n     *\n     * If no such type can be inferred, this method will return `null`.\n     */\n    HttpRequest.prototype.detectContentTypeHeader = function () {\n        // An empty body has no content type.\n        if (this.body === null) {\n            return null;\n        }\n        // FormData bodies rely on the browser's content type assignment.\n        if (isFormData(this.body)) {\n            return null;\n        }\n        // Blobs usually have their own content type. If it doesn't, then\n        // no type can be inferred.\n        if (isBlob(this.body)) {\n            return this.body.type || null;\n        }\n        // Array buffers have unknown contents and thus no type can be inferred.\n        if (isArrayBuffer(this.body)) {\n            return null;\n        }\n        // Technically, strings could be a form of JSON data, but it's safe enough\n        // to assume they're plain strings.\n        if (typeof this.body === 'string') {\n            return 'text/plain';\n        }\n        // `HttpUrlEncodedParams` has its own content-type.\n        if (this.body instanceof HttpParams) {\n            return 'application/x-www-form-urlencoded;charset=UTF-8';\n        }\n        // Arrays, objects, and numbers will be encoded as JSON.\n        if (typeof this.body === 'object' || typeof this.body === 'number' ||\n            Array.isArray(this.body)) {\n            return 'application/json';\n        }\n        // No type could be inferred.\n        return null;\n    };\n    HttpRequest.prototype.clone = function (update) {\n        if (update === void 0) { update = {}; }\n        // For method, url, and responseType, take the current value unless\n        // it is overridden in the update hash.\n        var method = update.method || this.method;\n        var url = update.url || this.url;\n        var responseType = update.responseType || this.responseType;\n        // The body is somewhat special - a `null` value in update.body means\n        // whatever current body is present is being overridden with an empty\n        // body, whereas an `undefined` value in update.body implies no\n        // override.\n        var body = (update.body !== undefined) ? update.body : this.body;\n        // Carefully handle the boolean options to differentiate between\n        // `false` and `undefined` in the update args.\n        var withCredentials = (update.withCredentials !== undefined) ? update.withCredentials : this.withCredentials;\n        var reportProgress = (update.reportProgress !== undefined) ? update.reportProgress : this.reportProgress;\n        // Headers and params may be appended to if `setHeaders` or\n        // `setParams` are used.\n        var headers = update.headers || this.headers;\n        var params = update.params || this.params;\n        // Check whether the caller has asked to add headers.\n        if (update.setHeaders !== undefined) {\n            // Set every requested header.\n            headers =\n                Object.keys(update.setHeaders)\n                    .reduce(function (headers, name) { return headers.set(name, update.setHeaders[name]); }, headers);\n        }\n        // Check whether the caller has asked to set params.\n        if (update.setParams) {\n            // Set every requested param.\n            params = Object.keys(update.setParams)\n                .reduce(function (params, param) { return params.set(param, update.setParams[param]); }, params);\n        }\n        // Finally, construct the new HttpRequest using the pieces from above.\n        return new HttpRequest(method, url, body, {\n            params: params, headers: headers, reportProgress: reportProgress, responseType: responseType, withCredentials: withCredentials,\n        });\n    };\n    return HttpRequest;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Type enumeration for the different kinds of `HttpEvent`.\n *\n * @publicApi\n */\nvar HttpEventType;\n(function (HttpEventType) {\n    /**\n     * The request was sent out over the wire.\n     */\n    HttpEventType[HttpEventType[\"Sent\"] = 0] = \"Sent\";\n    /**\n     * An upload progress event was received.\n     */\n    HttpEventType[HttpEventType[\"UploadProgress\"] = 1] = \"UploadProgress\";\n    /**\n     * The response status code and headers were received.\n     */\n    HttpEventType[HttpEventType[\"ResponseHeader\"] = 2] = \"ResponseHeader\";\n    /**\n     * A download progress event was received.\n     */\n    HttpEventType[HttpEventType[\"DownloadProgress\"] = 3] = \"DownloadProgress\";\n    /**\n     * The full response including the body was received.\n     */\n    HttpEventType[HttpEventType[\"Response\"] = 4] = \"Response\";\n    /**\n     * A custom event from an interceptor or a backend.\n     */\n    HttpEventType[HttpEventType[\"User\"] = 5] = \"User\";\n})(HttpEventType || (HttpEventType = {}));\n/**\n * Base class for both `HttpResponse` and `HttpHeaderResponse`.\n *\n * @publicApi\n */\nvar HttpResponseBase = /** @class */ (function () {\n    /**\n     * Super-constructor for all responses.\n     *\n     * The single parameter accepted is an initialization hash. Any properties\n     * of the response passed there will override the default values.\n     */\n    function HttpResponseBase(init, defaultStatus, defaultStatusText) {\n        if (defaultStatus === void 0) { defaultStatus = 200; }\n        if (defaultStatusText === void 0) { defaultStatusText = 'OK'; }\n        // If the hash has values passed, use them to initialize the response.\n        // Otherwise use the default values.\n        this.headers = init.headers || new HttpHeaders();\n        this.status = init.status !== undefined ? init.status : defaultStatus;\n        this.statusText = init.statusText || defaultStatusText;\n        this.url = init.url || null;\n        // Cache the ok value to avoid defining a getter.\n        this.ok = this.status >= 200 && this.status < 300;\n    }\n    return HttpResponseBase;\n}());\n/**\n * A partial HTTP response which only includes the status and header data,\n * but no response body.\n *\n * `HttpHeaderResponse` is a `HttpEvent` available on the response\n * event stream, only when progress events are requested.\n *\n * @publicApi\n */\nvar HttpHeaderResponse = /** @class */ (function (_super) {\n    __extends(HttpHeaderResponse, _super);\n    /**\n     * Create a new `HttpHeaderResponse` with the given parameters.\n     */\n    function HttpHeaderResponse(init) {\n        if (init === void 0) { init = {}; }\n        var _this = _super.call(this, init) || this;\n        _this.type = HttpEventType.ResponseHeader;\n        return _this;\n    }\n    /**\n     * Copy this `HttpHeaderResponse`, overriding its contents with the\n     * given parameter hash.\n     */\n    HttpHeaderResponse.prototype.clone = function (update) {\n        if (update === void 0) { update = {}; }\n        // Perform a straightforward initialization of the new HttpHeaderResponse,\n        // overriding the current parameters with new ones if given.\n        return new HttpHeaderResponse({\n            headers: update.headers || this.headers,\n            status: update.status !== undefined ? update.status : this.status,\n            statusText: update.statusText || this.statusText,\n            url: update.url || this.url || undefined,\n        });\n    };\n    return HttpHeaderResponse;\n}(HttpResponseBase));\n/**\n * A full HTTP response, including a typed response body (which may be `null`\n * if one was not returned).\n *\n * `HttpResponse` is a `HttpEvent` available on the response event\n * stream.\n *\n * @publicApi\n */\nvar HttpResponse = /** @class */ (function (_super) {\n    __extends(HttpResponse, _super);\n    /**\n     * Construct a new `HttpResponse`.\n     */\n    function HttpResponse(init) {\n        if (init === void 0) { init = {}; }\n        var _this = _super.call(this, init) || this;\n        _this.type = HttpEventType.Response;\n        _this.body = init.body !== undefined ? init.body : null;\n        return _this;\n    }\n    HttpResponse.prototype.clone = function (update) {\n        if (update === void 0) { update = {}; }\n        return new HttpResponse({\n            body: (update.body !== undefined) ? update.body : this.body,\n            headers: update.headers || this.headers,\n            status: (update.status !== undefined) ? update.status : this.status,\n            statusText: update.statusText || this.statusText,\n            url: update.url || this.url || undefined,\n        });\n    };\n    return HttpResponse;\n}(HttpResponseBase));\n/**\n * A response that represents an error or failure, either from a\n * non-successful HTTP status, an error while executing the request,\n * or some other failure which occurred during the parsing of the response.\n *\n * Any error returned on the `Observable` response stream will be\n * wrapped in an `HttpErrorResponse` to provide additional context about\n * the state of the HTTP layer when the error occurred. The error property\n * will contain either a wrapped Error object or the error response returned\n * from the server.\n *\n * @publicApi\n */\nvar HttpErrorResponse = /** @class */ (function (_super) {\n    __extends(HttpErrorResponse, _super);\n    function HttpErrorResponse(init) {\n        var _this = \n        // Initialize with a default status of 0 / Unknown Error.\n        _super.call(this, init, 0, 'Unknown Error') || this;\n        _this.name = 'HttpErrorResponse';\n        /**\n         * Errors are never okay, even when the status code is in the 2xx success range.\n         */\n        _this.ok = false;\n        // If the response was successful, then this was a parse error. Otherwise, it was\n        // a protocol-level failure of some sort. Either the request failed in transit\n        // or the server returned an unsuccessful status code.\n        if (_this.status >= 200 && _this.status < 300) {\n            _this.message = \"Http failure during parsing for \" + (init.url || '(unknown url)');\n        }\n        else {\n            _this.message =\n                \"Http failure response for \" + (init.url || '(unknown url)') + \": \" + init.status + \" \" + init.statusText;\n        }\n        _this.error = init.error || null;\n        return _this;\n    }\n    return HttpErrorResponse;\n}(HttpResponseBase));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Constructs an instance of `HttpRequestOptions<T>` from a source `HttpMethodOptions` and\n * the given `body`. This function clones the object and adds the body.\n *\n * Note that the `responseType` *options* value is a String that identifies the\n * single data type of the response.\n * A single overload version of the method handles each response type.\n * The value of `responseType` cannot be a union, as the combined signature could imply.\n *\n */\nfunction addBody(options, body) {\n    return {\n        body: body,\n        headers: options.headers,\n        observe: options.observe,\n        params: options.params,\n        reportProgress: options.reportProgress,\n        responseType: options.responseType,\n        withCredentials: options.withCredentials,\n    };\n}\n/**\n * Performs HTTP requests.\n * This service is available as an injectable class, with methods to perform HTTP requests.\n * Each request method has multiple signatures, and the return type varies based on\n * the signature that is called (mainly the values of `observe` and `responseType`).\n *\n * Note that the `responseType` *options* value is a String that identifies the\n * single data type of the response.\n * A single overload version of the method handles each response type.\n * The value of `responseType` cannot be a union, as the combined signature could imply.\n\n *\n * @usageNotes\n * Sample HTTP requests for the [Tour of Heroes](/tutorial/toh-pt0) application.\n *\n * ### HTTP Request Example\n *\n * ```\n *  // GET heroes whose name contains search term\n * searchHeroes(term: string): observable<Hero[]>{\n *\n *  const params = new HttpParams({fromString: 'name=term'});\n *    return this.httpClient.request('GET', this.heroesUrl, {responseType:'json', params});\n * }\n * ```\n * ### JSONP Example\n * ```\n * requestJsonp(url, callback = 'callback') {\n *  return this.httpClient.jsonp(this.heroesURL, callback);\n * }\n * ```\n *\n * ### PATCH Example\n * ```\n * // PATCH one of the heroes' name\n * patchHero (id: number, heroName: string): Observable<{}> {\n * const url = `${this.heroesUrl}/${id}`;   // PATCH api/heroes/42\n *  return this.httpClient.patch(url, {name: heroName}, httpOptions)\n *    .pipe(catchError(this.handleError('patchHero')));\n * }\n * ```\n *\n * @see [HTTP Guide](guide/http)\n *\n * @publicApi\n */\nvar HttpClient = /** @class */ (function () {\n    function HttpClient(handler) {\n        this.handler = handler;\n    }\n    /**\n     * Constructs an observable for a generic HTTP request that, when subscribed,\n     * fires the request through the chain of registered interceptors and on to the\n     * server.\n     *\n     * You can pass an `HttpRequest` directly as the only parameter. In this case,\n     * the call returns an observable of the raw `HttpEvent` stream.\n     *\n     * Alternatively you can pass an HTTP method as the first parameter,\n     * a URL string as the second, and an options hash containing the request body as the third.\n     * See `addBody()`. In this case, the specified `responseType` and `observe` options determine the\n     * type of returned observable.\n     *   * The `responseType` value determines how a successful response body is parsed.\n     *   * If `responseType` is the default `json`, you can pass a type interface for the resulting\n     * object as a type parameter to the call.\n     *\n     * The `observe` value determines the return type, according to what you are interested in\n     * observing.\n     *   * An `observe` value of events returns an observable of the raw `HttpEvent` stream, including\n     * progress events by default.\n     *   * An `observe` value of response returns an observable of `HttpResponse<T>`,\n     * where the `T` parameter depends on the `responseType` and any optionally provided type\n     * parameter.\n     *   * An `observe` value of body returns an observable of `<T>` with the same `T` body type.\n     *\n     */\n    HttpClient.prototype.request = function (first, url, options) {\n        var _this = this;\n        if (options === void 0) { options = {}; }\n        var req;\n        // First, check whether the primary argument is an instance of `HttpRequest`.\n        if (first instanceof HttpRequest) {\n            // It is. The other arguments must be undefined (per the signatures) and can be\n            // ignored.\n            req = first;\n        }\n        else {\n            // It's a string, so it represents a URL. Construct a request based on it,\n            // and incorporate the remaining arguments (assuming `GET` unless a method is\n            // provided.\n            // Figure out the headers.\n            var headers = undefined;\n            if (options.headers instanceof HttpHeaders) {\n                headers = options.headers;\n            }\n            else {\n                headers = new HttpHeaders(options.headers);\n            }\n            // Sort out parameters.\n            var params = undefined;\n            if (!!options.params) {\n                if (options.params instanceof HttpParams) {\n                    params = options.params;\n                }\n                else {\n                    params = new HttpParams({ fromObject: options.params });\n                }\n            }\n            // Construct the request.\n            req = new HttpRequest(first, url, (options.body !== undefined ? options.body : null), {\n                headers: headers,\n                params: params,\n                reportProgress: options.reportProgress,\n                // By default, JSON is assumed to be returned for all calls.\n                responseType: options.responseType || 'json',\n                withCredentials: options.withCredentials,\n            });\n        }\n        // Start with an Observable.of() the initial request, and run the handler (which\n        // includes all interceptors) inside a concatMap(). This way, the handler runs\n        // inside an Observable chain, which causes interceptors to be re-run on every\n        // subscription (this also makes retries re-run the handler, including interceptors).\n        var events$ = of(req).pipe(concatMap(function (req) { return _this.handler.handle(req); }));\n        // If coming via the API signature which accepts a previously constructed HttpRequest,\n        // the only option is to get the event stream. Otherwise, return the event stream if\n        // that is what was requested.\n        if (first instanceof HttpRequest || options.observe === 'events') {\n            return events$;\n        }\n        // The requested stream contains either the full response or the body. In either\n        // case, the first step is to filter the event stream to extract a stream of\n        // responses(s).\n        var res$ = events$.pipe(filter(function (event) { return event instanceof HttpResponse; }));\n        // Decide which stream to return.\n        switch (options.observe || 'body') {\n            case 'body':\n                // The requested stream is the body. Map the response stream to the response\n                // body. This could be done more simply, but a misbehaving interceptor might\n                // transform the response body into a different format and ignore the requested\n                // responseType. Guard against this by validating that the response is of the\n                // requested type.\n                switch (req.responseType) {\n                    case 'arraybuffer':\n                        return res$.pipe(map(function (res) {\n                            // Validate that the body is an ArrayBuffer.\n                            if (res.body !== null && !(res.body instanceof ArrayBuffer)) {\n                                throw new Error('Response is not an ArrayBuffer.');\n                            }\n                            return res.body;\n                        }));\n                    case 'blob':\n                        return res$.pipe(map(function (res) {\n                            // Validate that the body is a Blob.\n                            if (res.body !== null && !(res.body instanceof Blob)) {\n                                throw new Error('Response is not a Blob.');\n                            }\n                            return res.body;\n                        }));\n                    case 'text':\n                        return res$.pipe(map(function (res) {\n                            // Validate that the body is a string.\n                            if (res.body !== null && typeof res.body !== 'string') {\n                                throw new Error('Response is not a string.');\n                            }\n                            return res.body;\n                        }));\n                    case 'json':\n                    default:\n                        // No validation needed for JSON responses, as they can be of any type.\n                        return res$.pipe(map(function (res) { return res.body; }));\n                }\n            case 'response':\n                // The response stream was requested directly, so return it.\n                return res$;\n            default:\n                // Guard against new future observe types being added.\n                throw new Error(\"Unreachable: unhandled observe type \" + options.observe + \"}\");\n        }\n    };\n    /**\n     * Constructs an observable that, when subscribed, causes the configured\n     * `DELETE` request to execute on the server. See the individual overloads for\n     * details on the return type.\n     *\n     * @param url     The endpoint URL.\n     * @param options The HTTP options to send with the request.\n     *\n     */\n    HttpClient.prototype.delete = function (url, options) {\n        if (options === void 0) { options = {}; }\n        return this.request('DELETE', url, options);\n    };\n    /**\n     * Constructs an observable that, when subscribed, causes the configured\n     * `GET` request to execute on the server. See the individual overloads for\n     * details on the return type.\n     */\n    HttpClient.prototype.get = function (url, options) {\n        if (options === void 0) { options = {}; }\n        return this.request('GET', url, options);\n    };\n    /**\n     * Constructs an observable that, when subscribed, causes the configured\n     * `HEAD` request to execute on the server. The `HEAD` method returns\n     * meta information about the resource without transferring the\n     * resource itself. See the individual overloads for\n     * details on the return type.\n     */\n    HttpClient.prototype.head = function (url, options) {\n        if (options === void 0) { options = {}; }\n        return this.request('HEAD', url, options);\n    };\n    /**\n     * Constructs an `Observable` that, when subscribed, causes a request with the special method\n     * `JSONP` to be dispatched via the interceptor pipeline.\n     * The [JSONP pattern](https://en.wikipedia.org/wiki/JSONP) works around limitations of certain\n     * API endpoints that don't support newer,\n     * and preferable [CORS](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS) protocol.\n     * JSONP treats the endpoint API as a JavaScript file and tricks the browser to process the\n     * requests even if the API endpoint is not located on the same domain (origin) as the client-side\n     * application making the request.\n     * The endpoint API must support JSONP callback for JSONP requests to work.\n     * The resource API returns the JSON response wrapped in a callback function.\n     * You can pass the callback function name as one of the query parameters.\n     * Note that JSONP requests can only be used with `GET` requests.\n     *\n     * @param url The resource URL.\n     * @param callbackParam The callback function name.\n     *\n     */\n    HttpClient.prototype.jsonp = function (url, callbackParam) {\n        return this.request('JSONP', url, {\n            params: new HttpParams().append(callbackParam, 'JSONP_CALLBACK'),\n            observe: 'body',\n            responseType: 'json',\n        });\n    };\n    /**\n     * Constructs an `Observable` that, when subscribed, causes the configured\n     * `OPTIONS` request to execute on the server. This method allows the client\n     * to determine the supported HTTP methods and other capabilites of an endpoint,\n     * without implying a resource action. See the individual overloads for\n     * details on the return type.\n     */\n    HttpClient.prototype.options = function (url, options) {\n        if (options === void 0) { options = {}; }\n        return this.request('OPTIONS', url, options);\n    };\n    /**\n     * Constructs an observable that, when subscribed, causes the configured\n     * `PATCH` request to execute on the server. See the individual overloads for\n     * details on the return type.\n     */\n    HttpClient.prototype.patch = function (url, body, options) {\n        if (options === void 0) { options = {}; }\n        return this.request('PATCH', url, addBody(options, body));\n    };\n    /**\n     * Constructs an observable that, when subscribed, causes the configured\n     * `POST` request to execute on the server. The server responds with the location of\n     * the replaced resource. See the individual overloads for\n     * details on the return type.\n     */\n    HttpClient.prototype.post = function (url, body, options) {\n        if (options === void 0) { options = {}; }\n        return this.request('POST', url, addBody(options, body));\n    };\n    /**\n     * Constructs an observable that, when subscribed, causes the configured\n     * `PUT` request to execute on the server. The `PUT` method replaces an existing resource\n     * with a new set of values.\n     * See the individual overloads for details on the return type.\n     */\n    HttpClient.prototype.put = function (url, body, options) {\n        if (options === void 0) { options = {}; }\n        return this.request('PUT', url, addBody(options, body));\n    };\n    HttpClient = __decorate([\n        Injectable(),\n        __metadata(\"design:paramtypes\", [HttpHandler])\n    ], HttpClient);\n    return HttpClient;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * `HttpHandler` which applies an `HttpInterceptor` to an `HttpRequest`.\n *\n *\n */\nvar HttpInterceptorHandler = /** @class */ (function () {\n    function HttpInterceptorHandler(next, interceptor) {\n        this.next = next;\n        this.interceptor = interceptor;\n    }\n    HttpInterceptorHandler.prototype.handle = function (req) {\n        return this.interceptor.intercept(req, this.next);\n    };\n    return HttpInterceptorHandler;\n}());\n/**\n * A multi-provider token that represents the array of registered\n * `HttpInterceptor` objects.\n *\n * @publicApi\n */\nvar HTTP_INTERCEPTORS = new InjectionToken('HTTP_INTERCEPTORS');\nvar NoopInterceptor = /** @class */ (function () {\n    function NoopInterceptor() {\n    }\n    NoopInterceptor.prototype.intercept = function (req, next) {\n        return next.handle(req);\n    };\n    NoopInterceptor = __decorate([\n        Injectable()\n    ], NoopInterceptor);\n    return NoopInterceptor;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Every request made through JSONP needs a callback name that's unique across the\n// whole page. Each request is assigned an id and the callback name is constructed\n// from that. The next id to be assigned is tracked in a global variable here that\n// is shared among all applications on the page.\nvar nextRequestId = 0;\n// Error text given when a JSONP script is injected, but doesn't invoke the callback\n// passed in its URL.\nvar JSONP_ERR_NO_CALLBACK = 'JSONP injected script did not invoke callback.';\n// Error text given when a request is passed to the JsonpClientBackend that doesn't\n// have a request method JSONP.\nvar JSONP_ERR_WRONG_METHOD = 'JSONP requests must use JSONP request method.';\nvar JSONP_ERR_WRONG_RESPONSE_TYPE = 'JSONP requests must use Json response type.';\n/**\n * DI token/abstract type representing a map of JSONP callbacks.\n *\n * In the browser, this should always be the `window` object.\n *\n *\n */\nvar JsonpCallbackContext = /** @class */ (function () {\n    function JsonpCallbackContext() {\n    }\n    return JsonpCallbackContext;\n}());\n/**\n * Processes an `HttpRequest` with the JSONP method,\n * by performing JSONP style requests.\n * @see `HttpHandler`\n * @see `HttpXhrBackend`\n *\n * @publicApi\n */\nvar JsonpClientBackend = /** @class */ (function () {\n    function JsonpClientBackend(callbackMap, document) {\n        this.callbackMap = callbackMap;\n        this.document = document;\n    }\n    /**\n     * Get the name of the next callback method, by incrementing the global `nextRequestId`.\n     */\n    JsonpClientBackend.prototype.nextCallback = function () { return \"ng_jsonp_callback_\" + nextRequestId++; };\n    /**\n     * Processes a JSONP request and returns an event stream of the results.\n     * @param req The request object.\n     * @returns An observable of the response events.\n     *\n     */\n    JsonpClientBackend.prototype.handle = function (req) {\n        var _this = this;\n        // Firstly, check both the method and response type. If either doesn't match\n        // then the request was improperly routed here and cannot be handled.\n        if (req.method !== 'JSONP') {\n            throw new Error(JSONP_ERR_WRONG_METHOD);\n        }\n        else if (req.responseType !== 'json') {\n            throw new Error(JSONP_ERR_WRONG_RESPONSE_TYPE);\n        }\n        // Everything else happens inside the Observable boundary.\n        return new Observable(function (observer) {\n            // The first step to make a request is to generate the callback name, and replace the\n            // callback placeholder in the URL with the name. Care has to be taken here to ensure\n            // a trailing &, if matched, gets inserted back into the URL in the correct place.\n            var callback = _this.nextCallback();\n            var url = req.urlWithParams.replace(/=JSONP_CALLBACK(&|$)/, \"=\" + callback + \"$1\");\n            // Construct the <script> tag and point it at the URL.\n            var node = _this.document.createElement('script');\n            node.src = url;\n            // A JSONP request requires waiting for multiple callbacks. These variables\n            // are closed over and track state across those callbacks.\n            // The response object, if one has been received, or null otherwise.\n            var body = null;\n            // Whether the response callback has been called.\n            var finished = false;\n            // Whether the request has been cancelled (and thus any other callbacks)\n            // should be ignored.\n            var cancelled = false;\n            // Set the response callback in this.callbackMap (which will be the window\n            // object in the browser. The script being loaded via the <script> tag will\n            // eventually call this callback.\n            _this.callbackMap[callback] = function (data) {\n                // Data has been received from the JSONP script. Firstly, delete this callback.\n                delete _this.callbackMap[callback];\n                // Next, make sure the request wasn't cancelled in the meantime.\n                if (cancelled) {\n                    return;\n                }\n                // Set state to indicate data was received.\n                body = data;\n                finished = true;\n            };\n            // cleanup() is a utility closure that removes the <script> from the page and\n            // the response callback from the window. This logic is used in both the\n            // success, error, and cancellation paths, so it's extracted out for convenience.\n            var cleanup = function () {\n                // Remove the <script> tag if it's still on the page.\n                if (node.parentNode) {\n                    node.parentNode.removeChild(node);\n                }\n                // Remove the response callback from the callbackMap (window object in the\n                // browser).\n                delete _this.callbackMap[callback];\n            };\n            // onLoad() is the success callback which runs after the response callback\n            // if the JSONP script loads successfully. The event itself is unimportant.\n            // If something went wrong, onLoad() may run without the response callback\n            // having been invoked.\n            var onLoad = function (event) {\n                // Do nothing if the request has been cancelled.\n                if (cancelled) {\n                    return;\n                }\n                // Cleanup the page.\n                cleanup();\n                // Check whether the response callback has run.\n                if (!finished) {\n                    // It hasn't, something went wrong with the request. Return an error via\n                    // the Observable error path. All JSONP errors have status 0.\n                    observer.error(new HttpErrorResponse({\n                        url: url,\n                        status: 0,\n                        statusText: 'JSONP Error',\n                        error: new Error(JSONP_ERR_NO_CALLBACK),\n                    }));\n                    return;\n                }\n                // Success. body either contains the response body or null if none was\n                // returned.\n                observer.next(new HttpResponse({\n                    body: body,\n                    status: 200,\n                    statusText: 'OK', url: url,\n                }));\n                // Complete the stream, the response is over.\n                observer.complete();\n            };\n            // onError() is the error callback, which runs if the script returned generates\n            // a Javascript error. It emits the error via the Observable error channel as\n            // a HttpErrorResponse.\n            var onError = function (error) {\n                // If the request was already cancelled, no need to emit anything.\n                if (cancelled) {\n                    return;\n                }\n                cleanup();\n                // Wrap the error in a HttpErrorResponse.\n                observer.error(new HttpErrorResponse({\n                    error: error,\n                    status: 0,\n                    statusText: 'JSONP Error', url: url,\n                }));\n            };\n            // Subscribe to both the success (load) and error events on the <script> tag,\n            // and add it to the page.\n            node.addEventListener('load', onLoad);\n            node.addEventListener('error', onError);\n            _this.document.body.appendChild(node);\n            // The request has now been successfully sent.\n            observer.next({ type: HttpEventType.Sent });\n            // Cancellation handler.\n            return function () {\n                // Track the cancellation so event listeners won't do anything even if already scheduled.\n                cancelled = true;\n                // Remove the event listeners so they won't run if the events later fire.\n                node.removeEventListener('load', onLoad);\n                node.removeEventListener('error', onError);\n                // And finally, clean up the page.\n                cleanup();\n            };\n        });\n    };\n    JsonpClientBackend = __decorate([\n        Injectable(),\n        __param(1, Inject(DOCUMENT)),\n        __metadata(\"design:paramtypes\", [JsonpCallbackContext, Object])\n    ], JsonpClientBackend);\n    return JsonpClientBackend;\n}());\n/**\n * Identifies requests with the method JSONP and\n * shifts them to the `JsonpClientBackend`.\n *\n * @see `HttpInterceptor`\n *\n * @publicApi\n */\nvar JsonpInterceptor = /** @class */ (function () {\n    function JsonpInterceptor(jsonp) {\n        this.jsonp = jsonp;\n    }\n    /**\n     * Identifies and handles a given JSONP request.\n     * @param req The outgoing request object to handle.\n     * @param next The next interceptor in the chain, or the backend\n     * if no interceptors remain in the chain.\n     * @returns An observable of the event stream.\n     */\n    JsonpInterceptor.prototype.intercept = function (req, next) {\n        if (req.method === 'JSONP') {\n            return this.jsonp.handle(req);\n        }\n        // Fall through for normal HTTP requests.\n        return next.handle(req);\n    };\n    JsonpInterceptor = __decorate([\n        Injectable(),\n        __metadata(\"design:paramtypes\", [JsonpClientBackend])\n    ], JsonpInterceptor);\n    return JsonpInterceptor;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar XSSI_PREFIX = /^\\)\\]\\}',?\\n/;\n/**\n * Determine an appropriate URL for the response, by checking either\n * XMLHttpRequest.responseURL or the X-Request-URL header.\n */\nfunction getResponseUrl(xhr) {\n    if ('responseURL' in xhr && xhr.responseURL) {\n        return xhr.responseURL;\n    }\n    if (/^X-Request-URL:/m.test(xhr.getAllResponseHeaders())) {\n        return xhr.getResponseHeader('X-Request-URL');\n    }\n    return null;\n}\n/**\n * A wrapper around the `XMLHttpRequest` constructor.\n *\n * @publicApi\n */\nvar XhrFactory = /** @class */ (function () {\n    function XhrFactory() {\n    }\n    return XhrFactory;\n}());\n/**\n * A factory for `HttpXhrBackend` that uses the `XMLHttpRequest` browser API.\n *\n */\nvar BrowserXhr = /** @class */ (function () {\n    function BrowserXhr() {\n    }\n    BrowserXhr.prototype.build = function () { return (new XMLHttpRequest()); };\n    BrowserXhr = __decorate([\n        Injectable(),\n        __metadata(\"design:paramtypes\", [])\n    ], BrowserXhr);\n    return BrowserXhr;\n}());\n/**\n * Uses `XMLHttpRequest` to send requests to a backend server.\n * @see `HttpHandler`\n * @see `JsonpClientBackend`\n *\n * @publicApi\n */\nvar HttpXhrBackend = /** @class */ (function () {\n    function HttpXhrBackend(xhrFactory) {\n        this.xhrFactory = xhrFactory;\n    }\n    /**\n     * Processes a request and returns a stream of response events.\n     * @param req The request object.\n     * @returns An observable of the response events.\n     */\n    HttpXhrBackend.prototype.handle = function (req) {\n        var _this = this;\n        // Quick check to give a better error message when a user attempts to use\n        // HttpClient.jsonp() without installing the JsonpClientModule\n        if (req.method === 'JSONP') {\n            throw new Error(\"Attempted to construct Jsonp request without JsonpClientModule installed.\");\n        }\n        // Everything happens on Observable subscription.\n        return new Observable(function (observer) {\n            // Start by setting up the XHR object with request method, URL, and withCredentials flag.\n            var xhr = _this.xhrFactory.build();\n            xhr.open(req.method, req.urlWithParams);\n            if (!!req.withCredentials) {\n                xhr.withCredentials = true;\n            }\n            // Add all the requested headers.\n            req.headers.forEach(function (name, values) { return xhr.setRequestHeader(name, values.join(',')); });\n            // Add an Accept header if one isn't present already.\n            if (!req.headers.has('Accept')) {\n                xhr.setRequestHeader('Accept', 'application/json, text/plain, */*');\n            }\n            // Auto-detect the Content-Type header if one isn't present already.\n            if (!req.headers.has('Content-Type')) {\n                var detectedType = req.detectContentTypeHeader();\n                // Sometimes Content-Type detection fails.\n                if (detectedType !== null) {\n                    xhr.setRequestHeader('Content-Type', detectedType);\n                }\n            }\n            // Set the responseType if one was requested.\n            if (req.responseType) {\n                var responseType = req.responseType.toLowerCase();\n                // JSON responses need to be processed as text. This is because if the server\n                // returns an XSSI-prefixed JSON response, the browser will fail to parse it,\n                // xhr.response will be null, and xhr.responseText cannot be accessed to\n                // retrieve the prefixed JSON data in order to strip the prefix. Thus, all JSON\n                // is parsed by first requesting text and then applying JSON.parse.\n                xhr.responseType = ((responseType !== 'json') ? responseType : 'text');\n            }\n            // Serialize the request body if one is present. If not, this will be set to null.\n            var reqBody = req.serializeBody();\n            // If progress events are enabled, response headers will be delivered\n            // in two events - the HttpHeaderResponse event and the full HttpResponse\n            // event. However, since response headers don't change in between these\n            // two events, it doesn't make sense to parse them twice. So headerResponse\n            // caches the data extracted from the response whenever it's first parsed,\n            // to ensure parsing isn't duplicated.\n            var headerResponse = null;\n            // partialFromXhr extracts the HttpHeaderResponse from the current XMLHttpRequest\n            // state, and memoizes it into headerResponse.\n            var partialFromXhr = function () {\n                if (headerResponse !== null) {\n                    return headerResponse;\n                }\n                // Read status and normalize an IE9 bug (http://bugs.jquery.com/ticket/1450).\n                var status = xhr.status === 1223 ? 204 : xhr.status;\n                var statusText = xhr.statusText || 'OK';\n                // Parse headers from XMLHttpRequest - this step is lazy.\n                var headers = new HttpHeaders(xhr.getAllResponseHeaders());\n                // Read the response URL from the XMLHttpResponse instance and fall back on the\n                // request URL.\n                var url = getResponseUrl(xhr) || req.url;\n                // Construct the HttpHeaderResponse and memoize it.\n                headerResponse = new HttpHeaderResponse({ headers: headers, status: status, statusText: statusText, url: url });\n                return headerResponse;\n            };\n            // Next, a few closures are defined for the various events which XMLHttpRequest can\n            // emit. This allows them to be unregistered as event listeners later.\n            // First up is the load event, which represents a response being fully available.\n            var onLoad = function () {\n                // Read response state from the memoized partial data.\n                var _a = partialFromXhr(), headers = _a.headers, status = _a.status, statusText = _a.statusText, url = _a.url;\n                // The body will be read out if present.\n                var body = null;\n                if (status !== 204) {\n                    // Use XMLHttpRequest.response if set, responseText otherwise.\n                    body = (typeof xhr.response === 'undefined') ? xhr.responseText : xhr.response;\n                }\n                // Normalize another potential bug (this one comes from CORS).\n                if (status === 0) {\n                    status = !!body ? 200 : 0;\n                }\n                // ok determines whether the response will be transmitted on the event or\n                // error channel. Unsuccessful status codes (not 2xx) will always be errors,\n                // but a successful status code can still result in an error if the user\n                // asked for JSON data and the body cannot be parsed as such.\n                var ok = status >= 200 && status < 300;\n                // Check whether the body needs to be parsed as JSON (in many cases the browser\n                // will have done that already).\n                if (req.responseType === 'json' && typeof body === 'string') {\n                    // Save the original body, before attempting XSSI prefix stripping.\n                    var originalBody = body;\n                    body = body.replace(XSSI_PREFIX, '');\n                    try {\n                        // Attempt the parse. If it fails, a parse error should be delivered to the user.\n                        body = body !== '' ? JSON.parse(body) : null;\n                    }\n                    catch (error) {\n                        // Since the JSON.parse failed, it's reasonable to assume this might not have been a\n                        // JSON response. Restore the original body (including any XSSI prefix) to deliver\n                        // a better error response.\n                        body = originalBody;\n                        // If this was an error request to begin with, leave it as a string, it probably\n                        // just isn't JSON. Otherwise, deliver the parsing error to the user.\n                        if (ok) {\n                            // Even though the response status was 2xx, this is still an error.\n                            ok = false;\n                            // The parse error contains the text of the body that failed to parse.\n                            body = { error: error, text: body };\n                        }\n                    }\n                }\n                if (ok) {\n                    // A successful response is delivered on the event stream.\n                    observer.next(new HttpResponse({\n                        body: body,\n                        headers: headers,\n                        status: status,\n                        statusText: statusText,\n                        url: url || undefined,\n                    }));\n                    // The full body has been received and delivered, no further events\n                    // are possible. This request is complete.\n                    observer.complete();\n                }\n                else {\n                    // An unsuccessful request is delivered on the error channel.\n                    observer.error(new HttpErrorResponse({\n                        // The error in this case is the response body (error from the server).\n                        error: body,\n                        headers: headers,\n                        status: status,\n                        statusText: statusText,\n                        url: url || undefined,\n                    }));\n                }\n            };\n            // The onError callback is called when something goes wrong at the network level.\n            // Connection timeout, DNS error, offline, etc. These are actual errors, and are\n            // transmitted on the error channel.\n            var onError = function (error) {\n                var url = partialFromXhr().url;\n                var res = new HttpErrorResponse({\n                    error: error,\n                    status: xhr.status || 0,\n                    statusText: xhr.statusText || 'Unknown Error',\n                    url: url || undefined,\n                });\n                observer.error(res);\n            };\n            // The sentHeaders flag tracks whether the HttpResponseHeaders event\n            // has been sent on the stream. This is necessary to track if progress\n            // is enabled since the event will be sent on only the first download\n            // progerss event.\n            var sentHeaders = false;\n            // The download progress event handler, which is only registered if\n            // progress events are enabled.\n            var onDownProgress = function (event) {\n                // Send the HttpResponseHeaders event if it hasn't been sent already.\n                if (!sentHeaders) {\n                    observer.next(partialFromXhr());\n                    sentHeaders = true;\n                }\n                // Start building the download progress event to deliver on the response\n                // event stream.\n                var progressEvent = {\n                    type: HttpEventType.DownloadProgress,\n                    loaded: event.loaded,\n                };\n                // Set the total number of bytes in the event if it's available.\n                if (event.lengthComputable) {\n                    progressEvent.total = event.total;\n                }\n                // If the request was for text content and a partial response is\n                // available on XMLHttpRequest, include it in the progress event\n                // to allow for streaming reads.\n                if (req.responseType === 'text' && !!xhr.responseText) {\n                    progressEvent.partialText = xhr.responseText;\n                }\n                // Finally, fire the event.\n                observer.next(progressEvent);\n            };\n            // The upload progress event handler, which is only registered if\n            // progress events are enabled.\n            var onUpProgress = function (event) {\n                // Upload progress events are simpler. Begin building the progress\n                // event.\n                var progress = {\n                    type: HttpEventType.UploadProgress,\n                    loaded: event.loaded,\n                };\n                // If the total number of bytes being uploaded is available, include\n                // it.\n                if (event.lengthComputable) {\n                    progress.total = event.total;\n                }\n                // Send the event.\n                observer.next(progress);\n            };\n            // By default, register for load and error events.\n            xhr.addEventListener('load', onLoad);\n            xhr.addEventListener('error', onError);\n            // Progress events are only enabled if requested.\n            if (req.reportProgress) {\n                // Download progress is always enabled if requested.\n                xhr.addEventListener('progress', onDownProgress);\n                // Upload progress depends on whether there is a body to upload.\n                if (reqBody !== null && xhr.upload) {\n                    xhr.upload.addEventListener('progress', onUpProgress);\n                }\n            }\n            // Fire the request, and notify the event stream that it was fired.\n            xhr.send(reqBody);\n            observer.next({ type: HttpEventType.Sent });\n            // This is the return from the Observable function, which is the\n            // request cancellation handler.\n            return function () {\n                // On a cancellation, remove all registered event listeners.\n                xhr.removeEventListener('error', onError);\n                xhr.removeEventListener('load', onLoad);\n                if (req.reportProgress) {\n                    xhr.removeEventListener('progress', onDownProgress);\n                    if (reqBody !== null && xhr.upload) {\n                        xhr.upload.removeEventListener('progress', onUpProgress);\n                    }\n                }\n                // Finally, abort the in-flight request.\n                xhr.abort();\n            };\n        });\n    };\n    HttpXhrBackend = __decorate([\n        Injectable(),\n        __metadata(\"design:paramtypes\", [XhrFactory])\n    ], HttpXhrBackend);\n    return HttpXhrBackend;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar XSRF_COOKIE_NAME = new InjectionToken('XSRF_COOKIE_NAME');\nvar XSRF_HEADER_NAME = new InjectionToken('XSRF_HEADER_NAME');\n/**\n * Retrieves the current XSRF token to use with the next outgoing request.\n *\n * @publicApi\n */\nvar HttpXsrfTokenExtractor = /** @class */ (function () {\n    function HttpXsrfTokenExtractor() {\n    }\n    return HttpXsrfTokenExtractor;\n}());\n/**\n * `HttpXsrfTokenExtractor` which retrieves the token from a cookie.\n */\nvar HttpXsrfCookieExtractor = /** @class */ (function () {\n    function HttpXsrfCookieExtractor(doc, platform, cookieName) {\n        this.doc = doc;\n        this.platform = platform;\n        this.cookieName = cookieName;\n        this.lastCookieString = '';\n        this.lastToken = null;\n        /**\n         * @internal for testing\n         */\n        this.parseCount = 0;\n    }\n    HttpXsrfCookieExtractor.prototype.getToken = function () {\n        if (this.platform === 'server') {\n            return null;\n        }\n        var cookieString = this.doc.cookie || '';\n        if (cookieString !== this.lastCookieString) {\n            this.parseCount++;\n            this.lastToken = ɵparseCookieValue(cookieString, this.cookieName);\n            this.lastCookieString = cookieString;\n        }\n        return this.lastToken;\n    };\n    HttpXsrfCookieExtractor = __decorate([\n        Injectable(),\n        __param(0, Inject(DOCUMENT)), __param(1, Inject(PLATFORM_ID)),\n        __param(2, Inject(XSRF_COOKIE_NAME)),\n        __metadata(\"design:paramtypes\", [Object, String, String])\n    ], HttpXsrfCookieExtractor);\n    return HttpXsrfCookieExtractor;\n}());\n/**\n * `HttpInterceptor` which adds an XSRF token to eligible outgoing requests.\n */\nvar HttpXsrfInterceptor = /** @class */ (function () {\n    function HttpXsrfInterceptor(tokenService, headerName) {\n        this.tokenService = tokenService;\n        this.headerName = headerName;\n    }\n    HttpXsrfInterceptor.prototype.intercept = function (req, next) {\n        var lcUrl = req.url.toLowerCase();\n        // Skip both non-mutating requests and absolute URLs.\n        // Non-mutating requests don't require a token, and absolute URLs require special handling\n        // anyway as the cookie set\n        // on our origin is not the same as the token expected by another origin.\n        if (req.method === 'GET' || req.method === 'HEAD' || lcUrl.startsWith('http://') ||\n            lcUrl.startsWith('https://')) {\n            return next.handle(req);\n        }\n        var token = this.tokenService.getToken();\n        // Be careful not to overwrite an existing header of the same name.\n        if (token !== null && !req.headers.has(this.headerName)) {\n            req = req.clone({ headers: req.headers.set(this.headerName, token) });\n        }\n        return next.handle(req);\n    };\n    HttpXsrfInterceptor = __decorate([\n        Injectable(),\n        __param(1, Inject(XSRF_HEADER_NAME)),\n        __metadata(\"design:paramtypes\", [HttpXsrfTokenExtractor, String])\n    ], HttpXsrfInterceptor);\n    return HttpXsrfInterceptor;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * An injectable `HttpHandler` that applies multiple interceptors\n * to a request before passing it to the given `HttpBackend`.\n *\n * The interceptors are loaded lazily from the injector, to allow\n * interceptors to themselves inject classes depending indirectly\n * on `HttpInterceptingHandler` itself.\n * @see `HttpInterceptor`\n */\nvar HttpInterceptingHandler = /** @class */ (function () {\n    function HttpInterceptingHandler(backend, injector) {\n        this.backend = backend;\n        this.injector = injector;\n        this.chain = null;\n    }\n    HttpInterceptingHandler.prototype.handle = function (req) {\n        if (this.chain === null) {\n            var interceptors = this.injector.get(HTTP_INTERCEPTORS, []);\n            this.chain = interceptors.reduceRight(function (next, interceptor) { return new HttpInterceptorHandler(next, interceptor); }, this.backend);\n        }\n        return this.chain.handle(req);\n    };\n    HttpInterceptingHandler = __decorate([\n        Injectable(),\n        __metadata(\"design:paramtypes\", [HttpBackend, Injector])\n    ], HttpInterceptingHandler);\n    return HttpInterceptingHandler;\n}());\n/**\n * Constructs an `HttpHandler` that applies interceptors\n * to a request before passing it to the given `HttpBackend`.\n *\n * Use as a factory function within `HttpClientModule`.\n *\n *\n */\nfunction interceptingHandler(backend, interceptors) {\n    if (interceptors === void 0) { interceptors = []; }\n    if (!interceptors) {\n        return backend;\n    }\n    return interceptors.reduceRight(function (next, interceptor) { return new HttpInterceptorHandler(next, interceptor); }, backend);\n}\n/**\n * Factory function that determines where to store JSONP callbacks.\n *\n * Ordinarily JSONP callbacks are stored on the `window` object, but this may not exist\n * in test environments. In that case, callbacks are stored on an anonymous object instead.\n *\n *\n */\nfunction jsonpCallbackContext() {\n    if (typeof window === 'object') {\n        return window;\n    }\n    return {};\n}\n/**\n * Configures XSRF protection support for outgoing requests.\n *\n * For a server that supports a cookie-based XSRF protection system,\n * use directly to configure XSRF protection with the correct\n * cookie and header names.\n *\n * If no names are supplied, the default cookie name is `XSRF-TOKEN`\n * and the default header name is `X-XSRF-TOKEN`.\n *\n * @publicApi\n */\nvar HttpClientXsrfModule = /** @class */ (function () {\n    function HttpClientXsrfModule() {\n    }\n    HttpClientXsrfModule_1 = HttpClientXsrfModule;\n    /**\n     * Disable the default XSRF protection.\n     */\n    HttpClientXsrfModule.disable = function () {\n        return {\n            ngModule: HttpClientXsrfModule_1,\n            providers: [\n                { provide: HttpXsrfInterceptor, useClass: NoopInterceptor },\n            ],\n        };\n    };\n    /**\n     * Configure XSRF protection.\n     * @param options An object that can specify either or both\n     * cookie name or header name.\n     * - Cookie name default is `XSRF-TOKEN`.\n     * - Header name default is `X-XSRF-TOKEN`.\n     *\n     */\n    HttpClientXsrfModule.withOptions = function (options) {\n        if (options === void 0) { options = {}; }\n        return {\n            ngModule: HttpClientXsrfModule_1,\n            providers: [\n                options.cookieName ? { provide: XSRF_COOKIE_NAME, useValue: options.cookieName } : [],\n                options.headerName ? { provide: XSRF_HEADER_NAME, useValue: options.headerName } : [],\n            ],\n        };\n    };\n    var HttpClientXsrfModule_1;\n    HttpClientXsrfModule = HttpClientXsrfModule_1 = __decorate([\n        NgModule({\n            providers: [\n                HttpXsrfInterceptor,\n                { provide: HTTP_INTERCEPTORS, useExisting: HttpXsrfInterceptor, multi: true },\n                { provide: HttpXsrfTokenExtractor, useClass: HttpXsrfCookieExtractor },\n                { provide: XSRF_COOKIE_NAME, useValue: 'XSRF-TOKEN' },\n                { provide: XSRF_HEADER_NAME, useValue: 'X-XSRF-TOKEN' },\n            ],\n        })\n    ], HttpClientXsrfModule);\n    return HttpClientXsrfModule;\n}());\n/**\n * Configures the [dependency injector](guide/glossary#injector) for `HttpClient`\n * with supporting services for XSRF. Automatically imported by `HttpClientModule`.\n *\n * You can add interceptors to the chain behind `HttpClient` by binding them to the\n * multiprovider for built-in [DI token](guide/glossary#di-token) `HTTP_INTERCEPTORS`.\n *\n * @publicApi\n */\nvar HttpClientModule = /** @class */ (function () {\n    function HttpClientModule() {\n    }\n    HttpClientModule = __decorate([\n        NgModule({\n            /**\n             * Optional configuration for XSRF protection.\n             */\n            imports: [\n                HttpClientXsrfModule.withOptions({\n                    cookieName: 'XSRF-TOKEN',\n                    headerName: 'X-XSRF-TOKEN',\n                }),\n            ],\n            /**\n             * Configures the [dependency injector](guide/glossary#injector) where it is imported\n             * with supporting services for HTTP communications.\n             */\n            providers: [\n                HttpClient,\n                { provide: HttpHandler, useClass: HttpInterceptingHandler },\n                HttpXhrBackend,\n                { provide: HttpBackend, useExisting: HttpXhrBackend },\n                BrowserXhr,\n                { provide: XhrFactory, useExisting: BrowserXhr },\n            ],\n        })\n    ], HttpClientModule);\n    return HttpClientModule;\n}());\n/**\n * Configures the [dependency injector](guide/glossary#injector) for `HttpClient`\n * with supporting services for JSONP.\n * Without this module, Jsonp requests reach the backend\n * with method JSONP, where they are rejected.\n *\n * You can add interceptors to the chain behind `HttpClient` by binding them to the\n * multiprovider for built-in [DI token](guide/glossary#di-token) `HTTP_INTERCEPTORS`.\n *\n * @publicApi\n */\nvar HttpClientJsonpModule = /** @class */ (function () {\n    function HttpClientJsonpModule() {\n    }\n    HttpClientJsonpModule = __decorate([\n        NgModule({\n            providers: [\n                JsonpClientBackend,\n                { provide: JsonpCallbackContext, useFactory: jsonpCallbackContext },\n                { provide: HTTP_INTERCEPTORS, useClass: JsonpInterceptor, multi: true },\n            ],\n        })\n    ], HttpClientJsonpModule);\n    return HttpClientJsonpModule;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { HTTP_INTERCEPTORS, HttpBackend, HttpClient, HttpClientJsonpModule, HttpClientModule, HttpClientXsrfModule, HttpErrorResponse, HttpEventType, HttpHandler, HttpHeaderResponse, HttpHeaders, HttpParams, HttpRequest, HttpResponse, HttpResponseBase, HttpUrlEncodingCodec, HttpXhrBackend, HttpXsrfTokenExtractor, JsonpClientBackend, JsonpInterceptor, XhrFactory, HttpInterceptingHandler as ɵHttpInterceptingHandler, NoopInterceptor as ɵangular_packages_common_http_http_a, JsonpCallbackContext as ɵangular_packages_common_http_http_b, jsonpCallbackContext as ɵangular_packages_common_http_http_c, BrowserXhr as ɵangular_packages_common_http_http_d, XSRF_COOKIE_NAME as ɵangular_packages_common_http_http_e, XSRF_HEADER_NAME as ɵangular_packages_common_http_http_f, HttpXsrfCookieExtractor as ɵangular_packages_common_http_http_g, HttpXsrfInterceptor as ɵangular_packages_common_http_http_h };\n","import { SecurityContext, Injectable, Optional, Inject, ErrorHandler, ɵɵdefineInjectable, ɵɵinject, SkipSelf, InjectionToken, inject, Component, ViewEncapsulation, ChangeDetectionStrategy, ElementRef, Attribute, Input, NgModule } from '@angular/core';\nimport { mixinColor, MatCommonModule } from '@angular/material/core';\nimport { __extends, __read } from 'tslib';\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { DOCUMENT } from '@angular/common';\nimport { tap, map, catchError, finalize, share, take } from 'rxjs/operators';\nimport { HttpClient } from '@angular/common/http';\nimport { DomSanitizer } from '@angular/platform-browser';\nimport { of, throwError, forkJoin } from 'rxjs';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Returns an exception to be thrown in the case when attempting to\n * load an icon with a name that cannot be found.\n * @docs-private\n */\nfunction getMatIconNameNotFoundError(iconName) {\n    return Error(\"Unable to find icon with the name \\\"\" + iconName + \"\\\"\");\n}\n/**\n * Returns an exception to be thrown when the consumer attempts to use\n * `<mat-icon>` without including @angular/common/http.\n * @docs-private\n */\nfunction getMatIconNoHttpProviderError() {\n    return Error('Could not find HttpClient provider for use with Angular Material icons. ' +\n        'Please include the HttpClientModule from @angular/common/http in your ' +\n        'app imports.');\n}\n/**\n * Returns an exception to be thrown when a URL couldn't be sanitized.\n * @param url URL that was attempted to be sanitized.\n * @docs-private\n */\nfunction getMatIconFailedToSanitizeUrlError(url) {\n    return Error(\"The URL provided to MatIconRegistry was not trusted as a resource URL \" +\n        (\"via Angular's DomSanitizer. Attempted URL was \\\"\" + url + \"\\\".\"));\n}\n/**\n * Returns an exception to be thrown when a HTML string couldn't be sanitized.\n * @param literal HTML that was attempted to be sanitized.\n * @docs-private\n */\nfunction getMatIconFailedToSanitizeLiteralError(literal) {\n    return Error(\"The literal provided to MatIconRegistry was not trusted as safe HTML by \" +\n        (\"Angular's DomSanitizer. Attempted literal was \\\"\" + literal + \"\\\".\"));\n}\n/**\n * Configuration for an icon, including the URL and possibly the cached SVG element.\n * @docs-private\n */\nvar SvgIconConfig = /** @class */ (function () {\n    function SvgIconConfig(data, options) {\n        this.options = options;\n        // Note that we can't use `instanceof SVGElement` here,\n        // because it'll break during server-side rendering.\n        if (!!data.nodeName) {\n            this.svgElement = data;\n        }\n        else {\n            this.url = data;\n        }\n    }\n    return SvgIconConfig;\n}());\n/**\n * Service to register and display icons used by the `<mat-icon>` component.\n * - Registers icon URLs by namespace and name.\n * - Registers icon set URLs by namespace.\n * - Registers aliases for CSS classes, for use with icon fonts.\n * - Loads icons from URLs and extracts individual icons from icon sets.\n */\nvar MatIconRegistry = /** @class */ (function () {\n    function MatIconRegistry(_httpClient, _sanitizer, document, \n    // @breaking-change 9.0.0 _errorHandler parameter to be made required\n    _errorHandler) {\n        this._httpClient = _httpClient;\n        this._sanitizer = _sanitizer;\n        this._errorHandler = _errorHandler;\n        /**\n         * URLs and cached SVG elements for individual icons. Keys are of the format \"[namespace]:[icon]\".\n         */\n        this._svgIconConfigs = new Map();\n        /**\n         * SvgIconConfig objects and cached SVG elements for icon sets, keyed by namespace.\n         * Multiple icon sets can be registered under the same namespace.\n         */\n        this._iconSetConfigs = new Map();\n        /** Cache for icons loaded by direct URLs. */\n        this._cachedIconsByUrl = new Map();\n        /** In-progress icon fetches. Used to coalesce multiple requests to the same URL. */\n        this._inProgressUrlFetches = new Map();\n        /** Map from font identifiers to their CSS class names. Used for icon fonts. */\n        this._fontCssClassesByAlias = new Map();\n        /**\n         * The CSS class to apply when an `<mat-icon>` component has no icon name, url, or font specified.\n         * The default 'material-icons' value assumes that the material icon font has been loaded as\n         * described at http://google.github.io/material-design-icons/#icon-font-for-the-web\n         */\n        this._defaultFontSetClass = 'material-icons';\n        this._document = document;\n    }\n    /**\n     * Registers an icon by URL in the default namespace.\n     * @param iconName Name under which the icon should be registered.\n     * @param url\n     */\n    MatIconRegistry.prototype.addSvgIcon = function (iconName, url, options) {\n        return this.addSvgIconInNamespace('', iconName, url, options);\n    };\n    /**\n     * Registers an icon using an HTML string in the default namespace.\n     * @param iconName Name under which the icon should be registered.\n     * @param literal SVG source of the icon.\n     */\n    MatIconRegistry.prototype.addSvgIconLiteral = function (iconName, literal, options) {\n        return this.addSvgIconLiteralInNamespace('', iconName, literal, options);\n    };\n    /**\n     * Registers an icon by URL in the specified namespace.\n     * @param namespace Namespace in which the icon should be registered.\n     * @param iconName Name under which the icon should be registered.\n     * @param url\n     */\n    MatIconRegistry.prototype.addSvgIconInNamespace = function (namespace, iconName, url, options) {\n        return this._addSvgIconConfig(namespace, iconName, new SvgIconConfig(url, options));\n    };\n    /**\n     * Registers an icon using an HTML string in the specified namespace.\n     * @param namespace Namespace in which the icon should be registered.\n     * @param iconName Name under which the icon should be registered.\n     * @param literal SVG source of the icon.\n     */\n    MatIconRegistry.prototype.addSvgIconLiteralInNamespace = function (namespace, iconName, literal, options) {\n        var sanitizedLiteral = this._sanitizer.sanitize(SecurityContext.HTML, literal);\n        if (!sanitizedLiteral) {\n            throw getMatIconFailedToSanitizeLiteralError(literal);\n        }\n        var svgElement = this._createSvgElementForSingleIcon(sanitizedLiteral, options);\n        return this._addSvgIconConfig(namespace, iconName, new SvgIconConfig(svgElement, options));\n    };\n    /**\n     * Registers an icon set by URL in the default namespace.\n     * @param url\n     */\n    MatIconRegistry.prototype.addSvgIconSet = function (url, options) {\n        return this.addSvgIconSetInNamespace('', url, options);\n    };\n    /**\n     * Registers an icon set using an HTML string in the default namespace.\n     * @param literal SVG source of the icon set.\n     */\n    MatIconRegistry.prototype.addSvgIconSetLiteral = function (literal, options) {\n        return this.addSvgIconSetLiteralInNamespace('', literal, options);\n    };\n    /**\n     * Registers an icon set by URL in the specified namespace.\n     * @param namespace Namespace in which to register the icon set.\n     * @param url\n     */\n    MatIconRegistry.prototype.addSvgIconSetInNamespace = function (namespace, url, options) {\n        return this._addSvgIconSetConfig(namespace, new SvgIconConfig(url, options));\n    };\n    /**\n     * Registers an icon set using an HTML string in the specified namespace.\n     * @param namespace Namespace in which to register the icon set.\n     * @param literal SVG source of the icon set.\n     */\n    MatIconRegistry.prototype.addSvgIconSetLiteralInNamespace = function (namespace, literal, options) {\n        var sanitizedLiteral = this._sanitizer.sanitize(SecurityContext.HTML, literal);\n        if (!sanitizedLiteral) {\n            throw getMatIconFailedToSanitizeLiteralError(literal);\n        }\n        var svgElement = this._svgElementFromString(sanitizedLiteral);\n        return this._addSvgIconSetConfig(namespace, new SvgIconConfig(svgElement, options));\n    };\n    /**\n     * Defines an alias for a CSS class name to be used for icon fonts. Creating an matIcon\n     * component with the alias as the fontSet input will cause the class name to be applied\n     * to the `<mat-icon>` element.\n     *\n     * @param alias Alias for the font.\n     * @param className Class name override to be used instead of the alias.\n     */\n    MatIconRegistry.prototype.registerFontClassAlias = function (alias, className) {\n        if (className === void 0) { className = alias; }\n        this._fontCssClassesByAlias.set(alias, className);\n        return this;\n    };\n    /**\n     * Returns the CSS class name associated with the alias by a previous call to\n     * registerFontClassAlias. If no CSS class has been associated, returns the alias unmodified.\n     */\n    MatIconRegistry.prototype.classNameForFontAlias = function (alias) {\n        return this._fontCssClassesByAlias.get(alias) || alias;\n    };\n    /**\n     * Sets the CSS class name to be used for icon fonts when an `<mat-icon>` component does not\n     * have a fontSet input value, and is not loading an icon by name or URL.\n     *\n     * @param className\n     */\n    MatIconRegistry.prototype.setDefaultFontSetClass = function (className) {\n        this._defaultFontSetClass = className;\n        return this;\n    };\n    /**\n     * Returns the CSS class name to be used for icon fonts when an `<mat-icon>` component does not\n     * have a fontSet input value, and is not loading an icon by name or URL.\n     */\n    MatIconRegistry.prototype.getDefaultFontSetClass = function () {\n        return this._defaultFontSetClass;\n    };\n    /**\n     * Returns an Observable that produces the icon (as an `<svg>` DOM element) from the given URL.\n     * The response from the URL may be cached so this will not always cause an HTTP request, but\n     * the produced element will always be a new copy of the originally fetched icon. (That is,\n     * it will not contain any modifications made to elements previously returned).\n     *\n     * @param safeUrl URL from which to fetch the SVG icon.\n     */\n    MatIconRegistry.prototype.getSvgIconFromUrl = function (safeUrl) {\n        var _this = this;\n        var url = this._sanitizer.sanitize(SecurityContext.RESOURCE_URL, safeUrl);\n        if (!url) {\n            throw getMatIconFailedToSanitizeUrlError(safeUrl);\n        }\n        var cachedIcon = this._cachedIconsByUrl.get(url);\n        if (cachedIcon) {\n            return of(cloneSvg(cachedIcon));\n        }\n        return this._loadSvgIconFromConfig(new SvgIconConfig(safeUrl)).pipe(tap(function (svg) { return _this._cachedIconsByUrl.set(url, svg); }), map(function (svg) { return cloneSvg(svg); }));\n    };\n    /**\n     * Returns an Observable that produces the icon (as an `<svg>` DOM element) with the given name\n     * and namespace. The icon must have been previously registered with addIcon or addIconSet;\n     * if not, the Observable will throw an error.\n     *\n     * @param name Name of the icon to be retrieved.\n     * @param namespace Namespace in which to look for the icon.\n     */\n    MatIconRegistry.prototype.getNamedSvgIcon = function (name, namespace) {\n        if (namespace === void 0) { namespace = ''; }\n        // Return (copy of) cached icon if possible.\n        var key = iconKey(namespace, name);\n        var config = this._svgIconConfigs.get(key);\n        if (config) {\n            return this._getSvgFromConfig(config);\n        }\n        // See if we have any icon sets registered for the namespace.\n        var iconSetConfigs = this._iconSetConfigs.get(namespace);\n        if (iconSetConfigs) {\n            return this._getSvgFromIconSetConfigs(name, iconSetConfigs);\n        }\n        return throwError(getMatIconNameNotFoundError(key));\n    };\n    MatIconRegistry.prototype.ngOnDestroy = function () {\n        this._svgIconConfigs.clear();\n        this._iconSetConfigs.clear();\n        this._cachedIconsByUrl.clear();\n    };\n    /**\n     * Returns the cached icon for a SvgIconConfig if available, or fetches it from its URL if not.\n     */\n    MatIconRegistry.prototype._getSvgFromConfig = function (config) {\n        if (config.svgElement) {\n            // We already have the SVG element for this icon, return a copy.\n            return of(cloneSvg(config.svgElement));\n        }\n        else {\n            // Fetch the icon from the config's URL, cache it, and return a copy.\n            return this._loadSvgIconFromConfig(config).pipe(tap(function (svg) { return config.svgElement = svg; }), map(function (svg) { return cloneSvg(svg); }));\n        }\n    };\n    /**\n     * Attempts to find an icon with the specified name in any of the SVG icon sets.\n     * First searches the available cached icons for a nested element with a matching name, and\n     * if found copies the element to a new `<svg>` element. If not found, fetches all icon sets\n     * that have not been cached, and searches again after all fetches are completed.\n     * The returned Observable produces the SVG element if possible, and throws\n     * an error if no icon with the specified name can be found.\n     */\n    MatIconRegistry.prototype._getSvgFromIconSetConfigs = function (name, iconSetConfigs) {\n        var _this = this;\n        // For all the icon set SVG elements we've fetched, see if any contain an icon with the\n        // requested name.\n        var namedIcon = this._extractIconWithNameFromAnySet(name, iconSetConfigs);\n        if (namedIcon) {\n            // We could cache namedIcon in _svgIconConfigs, but since we have to make a copy every\n            // time anyway, there's probably not much advantage compared to just always extracting\n            // it from the icon set.\n            return of(namedIcon);\n        }\n        // Not found in any cached icon sets. If there are icon sets with URLs that we haven't\n        // fetched, fetch them now and look for iconName in the results.\n        var iconSetFetchRequests = iconSetConfigs\n            .filter(function (iconSetConfig) { return !iconSetConfig.svgElement; })\n            .map(function (iconSetConfig) {\n            return _this._loadSvgIconSetFromConfig(iconSetConfig).pipe(catchError(function (err) {\n                var url = _this._sanitizer.sanitize(SecurityContext.RESOURCE_URL, iconSetConfig.url);\n                // Swallow errors fetching individual URLs so the\n                // combined Observable won't necessarily fail.\n                var errorMessage = \"Loading icon set URL: \" + url + \" failed: \" + err.message;\n                // @breaking-change 9.0.0 _errorHandler parameter to be made required\n                if (_this._errorHandler) {\n                    _this._errorHandler.handleError(new Error(errorMessage));\n                }\n                else {\n                    console.error(errorMessage);\n                }\n                return of(null);\n            }));\n        });\n        // Fetch all the icon set URLs. When the requests complete, every IconSet should have a\n        // cached SVG element (unless the request failed), and we can check again for the icon.\n        return forkJoin(iconSetFetchRequests).pipe(map(function () {\n            var foundIcon = _this._extractIconWithNameFromAnySet(name, iconSetConfigs);\n            if (!foundIcon) {\n                throw getMatIconNameNotFoundError(name);\n            }\n            return foundIcon;\n        }));\n    };\n    /**\n     * Searches the cached SVG elements for the given icon sets for a nested icon element whose \"id\"\n     * tag matches the specified name. If found, copies the nested element to a new SVG element and\n     * returns it. Returns null if no matching element is found.\n     */\n    MatIconRegistry.prototype._extractIconWithNameFromAnySet = function (iconName, iconSetConfigs) {\n        // Iterate backwards, so icon sets added later have precedence.\n        for (var i = iconSetConfigs.length - 1; i >= 0; i--) {\n            var config = iconSetConfigs[i];\n            if (config.svgElement) {\n                var foundIcon = this._extractSvgIconFromSet(config.svgElement, iconName, config.options);\n                if (foundIcon) {\n                    return foundIcon;\n                }\n            }\n        }\n        return null;\n    };\n    /**\n     * Loads the content of the icon URL specified in the SvgIconConfig and creates an SVG element\n     * from it.\n     */\n    MatIconRegistry.prototype._loadSvgIconFromConfig = function (config) {\n        var _this = this;\n        return this._fetchUrl(config.url)\n            .pipe(map(function (svgText) { return _this._createSvgElementForSingleIcon(svgText, config.options); }));\n    };\n    /**\n     * Loads the content of the icon set URL specified in the SvgIconConfig and creates an SVG element\n     * from it.\n     */\n    MatIconRegistry.prototype._loadSvgIconSetFromConfig = function (config) {\n        var _this = this;\n        // If the SVG for this icon set has already been parsed, do nothing.\n        if (config.svgElement) {\n            return of(config.svgElement);\n        }\n        return this._fetchUrl(config.url).pipe(map(function (svgText) {\n            // It is possible that the icon set was parsed and cached by an earlier request, so parsing\n            // only needs to occur if the cache is yet unset.\n            if (!config.svgElement) {\n                config.svgElement = _this._svgElementFromString(svgText);\n            }\n            return config.svgElement;\n        }));\n    };\n    /**\n     * Creates a DOM element from the given SVG string, and adds default attributes.\n     */\n    MatIconRegistry.prototype._createSvgElementForSingleIcon = function (responseText, options) {\n        var svg = this._svgElementFromString(responseText);\n        this._setSvgAttributes(svg, options);\n        return svg;\n    };\n    /**\n     * Searches the cached element of the given SvgIconConfig for a nested icon element whose \"id\"\n     * tag matches the specified name. If found, copies the nested element to a new SVG element and\n     * returns it. Returns null if no matching element is found.\n     */\n    MatIconRegistry.prototype._extractSvgIconFromSet = function (iconSet, iconName, options) {\n        // Use the `id=\"iconName\"` syntax in order to escape special\n        // characters in the ID (versus using the #iconName syntax).\n        var iconSource = iconSet.querySelector(\"[id=\\\"\" + iconName + \"\\\"]\");\n        if (!iconSource) {\n            return null;\n        }\n        // Clone the element and remove the ID to prevent multiple elements from being added\n        // to the page with the same ID.\n        var iconElement = iconSource.cloneNode(true);\n        iconElement.removeAttribute('id');\n        // If the icon node is itself an <svg> node, clone and return it directly. If not, set it as\n        // the content of a new <svg> node.\n        if (iconElement.nodeName.toLowerCase() === 'svg') {\n            return this._setSvgAttributes(iconElement, options);\n        }\n        // If the node is a <symbol>, it won't be rendered so we have to convert it into <svg>. Note\n        // that the same could be achieved by referring to it via <use href=\"#id\">, however the <use>\n        // tag is problematic on Firefox, because it needs to include the current page path.\n        if (iconElement.nodeName.toLowerCase() === 'symbol') {\n            return this._setSvgAttributes(this._toSvgElement(iconElement), options);\n        }\n        // createElement('SVG') doesn't work as expected; the DOM ends up with\n        // the correct nodes, but the SVG content doesn't render. Instead we\n        // have to create an empty SVG node using innerHTML and append its content.\n        // Elements created using DOMParser.parseFromString have the same problem.\n        // http://stackoverflow.com/questions/23003278/svg-innerhtml-in-firefox-can-not-display\n        var svg = this._svgElementFromString('<svg></svg>');\n        // Clone the node so we don't remove it from the parent icon set element.\n        svg.appendChild(iconElement);\n        return this._setSvgAttributes(svg, options);\n    };\n    /**\n     * Creates a DOM element from the given SVG string.\n     */\n    MatIconRegistry.prototype._svgElementFromString = function (str) {\n        var div = this._document.createElement('DIV');\n        div.innerHTML = str;\n        var svg = div.querySelector('svg');\n        if (!svg) {\n            throw Error('<svg> tag not found');\n        }\n        return svg;\n    };\n    /**\n     * Converts an element into an SVG node by cloning all of its children.\n     */\n    MatIconRegistry.prototype._toSvgElement = function (element) {\n        var svg = this._svgElementFromString('<svg></svg>');\n        var attributes = element.attributes;\n        // Copy over all the attributes from the `symbol` to the new SVG, except the id.\n        for (var i = 0; i < attributes.length; i++) {\n            var _a = attributes[i], name_1 = _a.name, value = _a.value;\n            if (name_1 !== 'id') {\n                svg.setAttribute(name_1, value);\n            }\n        }\n        for (var i = 0; i < element.childNodes.length; i++) {\n            if (element.childNodes[i].nodeType === this._document.ELEMENT_NODE) {\n                svg.appendChild(element.childNodes[i].cloneNode(true));\n            }\n        }\n        return svg;\n    };\n    /**\n     * Sets the default attributes for an SVG element to be used as an icon.\n     */\n    MatIconRegistry.prototype._setSvgAttributes = function (svg, options) {\n        svg.setAttribute('fit', '');\n        svg.setAttribute('height', '100%');\n        svg.setAttribute('width', '100%');\n        svg.setAttribute('preserveAspectRatio', 'xMidYMid meet');\n        svg.setAttribute('focusable', 'false'); // Disable IE11 default behavior to make SVGs focusable.\n        if (options && options.viewBox) {\n            svg.setAttribute('viewBox', options.viewBox);\n        }\n        return svg;\n    };\n    /**\n     * Returns an Observable which produces the string contents of the given URL. Results may be\n     * cached, so future calls with the same URL may not cause another HTTP request.\n     */\n    MatIconRegistry.prototype._fetchUrl = function (safeUrl) {\n        var _this = this;\n        if (!this._httpClient) {\n            throw getMatIconNoHttpProviderError();\n        }\n        if (safeUrl == null) {\n            throw Error(\"Cannot fetch icon from URL \\\"\" + safeUrl + \"\\\".\");\n        }\n        var url = this._sanitizer.sanitize(SecurityContext.RESOURCE_URL, safeUrl);\n        if (!url) {\n            throw getMatIconFailedToSanitizeUrlError(safeUrl);\n        }\n        // Store in-progress fetches to avoid sending a duplicate request for a URL when there is\n        // already a request in progress for that URL. It's necessary to call share() on the\n        // Observable returned by http.get() so that multiple subscribers don't cause multiple XHRs.\n        var inProgressFetch = this._inProgressUrlFetches.get(url);\n        if (inProgressFetch) {\n            return inProgressFetch;\n        }\n        // TODO(jelbourn): for some reason, the `finalize` operator \"loses\" the generic type on the\n        // Observable. Figure out why and fix it.\n        var req = this._httpClient.get(url, { responseType: 'text' }).pipe(finalize(function () { return _this._inProgressUrlFetches.delete(url); }), share());\n        this._inProgressUrlFetches.set(url, req);\n        return req;\n    };\n    /**\n     * Registers an icon config by name in the specified namespace.\n     * @param namespace Namespace in which to register the icon config.\n     * @param iconName Name under which to register the config.\n     * @param config Config to be registered.\n     */\n    MatIconRegistry.prototype._addSvgIconConfig = function (namespace, iconName, config) {\n        this._svgIconConfigs.set(iconKey(namespace, iconName), config);\n        return this;\n    };\n    /**\n     * Registers an icon set config in the specified namespace.\n     * @param namespace Namespace in which to register the icon config.\n     * @param config Config to be registered.\n     */\n    MatIconRegistry.prototype._addSvgIconSetConfig = function (namespace, config) {\n        var configNamespace = this._iconSetConfigs.get(namespace);\n        if (configNamespace) {\n            configNamespace.push(config);\n        }\n        else {\n            this._iconSetConfigs.set(namespace, [config]);\n        }\n        return this;\n    };\n    MatIconRegistry.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    MatIconRegistry.ctorParameters = function () { return [\n        { type: HttpClient, decorators: [{ type: Optional }] },\n        { type: DomSanitizer },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] },\n        { type: ErrorHandler, decorators: [{ type: Optional }] }\n    ]; };\n    MatIconRegistry.ɵprov = ɵɵdefineInjectable({ factory: function MatIconRegistry_Factory() { return new MatIconRegistry(ɵɵinject(HttpClient, 8), ɵɵinject(DomSanitizer), ɵɵinject(DOCUMENT, 8), ɵɵinject(ErrorHandler, 8)); }, token: MatIconRegistry, providedIn: \"root\" });\n    return MatIconRegistry;\n}());\n/** @docs-private */\nfunction ICON_REGISTRY_PROVIDER_FACTORY(parentRegistry, httpClient, sanitizer, document, errorHandler) {\n    return parentRegistry || new MatIconRegistry(httpClient, sanitizer, document, errorHandler);\n}\n/** @docs-private */\nvar ICON_REGISTRY_PROVIDER = {\n    // If there is already an MatIconRegistry available, use that. Otherwise, provide a new one.\n    provide: MatIconRegistry,\n    deps: [\n        [new Optional(), new SkipSelf(), MatIconRegistry],\n        [new Optional(), HttpClient],\n        DomSanitizer,\n        [new Optional(), ErrorHandler],\n        [new Optional(), DOCUMENT],\n    ],\n    useFactory: ICON_REGISTRY_PROVIDER_FACTORY,\n};\n/** Clones an SVGElement while preserving type information. */\nfunction cloneSvg(svg) {\n    return svg.cloneNode(true);\n}\n/** Returns the cache key to use for an icon namespace and name. */\nfunction iconKey(namespace, name) {\n    return namespace + ':' + name;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Boilerplate for applying mixins to MatIcon.\n/** @docs-private */\nvar MatIconBase = /** @class */ (function () {\n    function MatIconBase(_elementRef) {\n        this._elementRef = _elementRef;\n    }\n    return MatIconBase;\n}());\nvar _MatIconMixinBase = mixinColor(MatIconBase);\n/**\n * Injection token used to provide the current location to `MatIcon`.\n * Used to handle server-side rendering and to stub out during unit tests.\n * @docs-private\n */\nvar MAT_ICON_LOCATION = new InjectionToken('mat-icon-location', {\n    providedIn: 'root',\n    factory: MAT_ICON_LOCATION_FACTORY\n});\n/** @docs-private */\nfunction MAT_ICON_LOCATION_FACTORY() {\n    var _document = inject(DOCUMENT);\n    var _location = _document ? _document.location : null;\n    return {\n        // Note that this needs to be a function, rather than a property, because Angular\n        // will only resolve it once, but we want the current path on each call.\n        getPathname: function () { return _location ? (_location.pathname + _location.search) : ''; }\n    };\n}\n/** SVG attributes that accept a FuncIRI (e.g. `url(<something>)`). */\nvar funcIriAttributes = [\n    'clip-path',\n    'color-profile',\n    'src',\n    'cursor',\n    'fill',\n    'filter',\n    'marker',\n    'marker-start',\n    'marker-mid',\n    'marker-end',\n    'mask',\n    'stroke'\n];\nvar ɵ0 = function (attr) { return \"[\" + attr + \"]\"; };\n/** Selector that can be used to find all elements that are using a `FuncIRI`. */\nvar funcIriAttributeSelector = funcIriAttributes.map(ɵ0).join(', ');\n/** Regex that can be used to extract the id out of a FuncIRI. */\nvar funcIriPattern = /^url\\(['\"]?#(.*?)['\"]?\\)$/;\n/**\n * Component to display an icon. It can be used in the following ways:\n *\n * - Specify the svgIcon input to load an SVG icon from a URL previously registered with the\n *   addSvgIcon, addSvgIconInNamespace, addSvgIconSet, or addSvgIconSetInNamespace methods of\n *   MatIconRegistry. If the svgIcon value contains a colon it is assumed to be in the format\n *   \"[namespace]:[name]\", if not the value will be the name of an icon in the default namespace.\n *   Examples:\n *     `<mat-icon svgIcon=\"left-arrow\"></mat-icon>\n *     <mat-icon svgIcon=\"animals:cat\"></mat-icon>`\n *\n * - Use a font ligature as an icon by putting the ligature text in the content of the `<mat-icon>`\n *   component. By default the Material icons font is used as described at\n *   http://google.github.io/material-design-icons/#icon-font-for-the-web. You can specify an\n *   alternate font by setting the fontSet input to either the CSS class to apply to use the\n *   desired font, or to an alias previously registered with MatIconRegistry.registerFontClassAlias.\n *   Examples:\n *     `<mat-icon>home</mat-icon>\n *     <mat-icon fontSet=\"myfont\">sun</mat-icon>`\n *\n * - Specify a font glyph to be included via CSS rules by setting the fontSet input to specify the\n *   font, and the fontIcon input to specify the icon. Typically the fontIcon will specify a\n *   CSS class which causes the glyph to be displayed via a :before selector, as in\n *   https://fortawesome.github.io/Font-Awesome/examples/\n *   Example:\n *     `<mat-icon fontSet=\"fa\" fontIcon=\"alarm\"></mat-icon>`\n */\nvar MatIcon = /** @class */ (function (_super) {\n    __extends(MatIcon, _super);\n    function MatIcon(elementRef, _iconRegistry, ariaHidden, \n    /**\n     * @deprecated `location` parameter to be made required.\n     * @breaking-change 8.0.0\n     */\n    _location, \n    // @breaking-change 9.0.0 _errorHandler parameter to be made required\n    _errorHandler) {\n        var _this = _super.call(this, elementRef) || this;\n        _this._iconRegistry = _iconRegistry;\n        _this._location = _location;\n        _this._errorHandler = _errorHandler;\n        _this._inline = false;\n        // If the user has not explicitly set aria-hidden, mark the icon as hidden, as this is\n        // the right thing to do for the majority of icon use-cases.\n        if (!ariaHidden) {\n            elementRef.nativeElement.setAttribute('aria-hidden', 'true');\n        }\n        return _this;\n    }\n    Object.defineProperty(MatIcon.prototype, \"inline\", {\n        /**\n         * Whether the icon should be inlined, automatically sizing the icon to match the font size of\n         * the element the icon is contained in.\n         */\n        get: function () {\n            return this._inline;\n        },\n        set: function (inline) {\n            this._inline = coerceBooleanProperty(inline);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatIcon.prototype, \"fontSet\", {\n        /** Font set that the icon is a part of. */\n        get: function () { return this._fontSet; },\n        set: function (value) {\n            this._fontSet = this._cleanupFontValue(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatIcon.prototype, \"fontIcon\", {\n        /** Name of an icon within a font set. */\n        get: function () { return this._fontIcon; },\n        set: function (value) {\n            this._fontIcon = this._cleanupFontValue(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Splits an svgIcon binding value into its icon set and icon name components.\n     * Returns a 2-element array of [(icon set), (icon name)].\n     * The separator for the two fields is ':'. If there is no separator, an empty\n     * string is returned for the icon set and the entire value is returned for\n     * the icon name. If the argument is falsy, returns an array of two empty strings.\n     * Throws an error if the name contains two or more ':' separators.\n     * Examples:\n     *   `'social:cake' -> ['social', 'cake']\n     *   'penguin' -> ['', 'penguin']\n     *   null -> ['', '']\n     *   'a:b:c' -> (throws Error)`\n     */\n    MatIcon.prototype._splitIconName = function (iconName) {\n        if (!iconName) {\n            return ['', ''];\n        }\n        var parts = iconName.split(':');\n        switch (parts.length) {\n            case 1: return ['', parts[0]]; // Use default namespace.\n            case 2: return parts;\n            default: throw Error(\"Invalid icon name: \\\"\" + iconName + \"\\\"\");\n        }\n    };\n    MatIcon.prototype.ngOnChanges = function (changes) {\n        var _this = this;\n        // Only update the inline SVG icon if the inputs changed, to avoid unnecessary DOM operations.\n        var svgIconChanges = changes['svgIcon'];\n        if (svgIconChanges) {\n            if (this.svgIcon) {\n                var _a = __read(this._splitIconName(this.svgIcon), 2), namespace_1 = _a[0], iconName_1 = _a[1];\n                this._iconRegistry.getNamedSvgIcon(iconName_1, namespace_1)\n                    .pipe(take(1))\n                    .subscribe(function (svg) { return _this._setSvgElement(svg); }, function (err) {\n                    var errorMessage = \"Error retrieving icon \" + namespace_1 + \":\" + iconName_1 + \"! \" + err.message;\n                    // @breaking-change 9.0.0 _errorHandler parameter to be made required.\n                    if (_this._errorHandler) {\n                        _this._errorHandler.handleError(new Error(errorMessage));\n                    }\n                    else {\n                        console.error(errorMessage);\n                    }\n                });\n            }\n            else if (svgIconChanges.previousValue) {\n                this._clearSvgElement();\n            }\n        }\n        if (this._usingFontIcon()) {\n            this._updateFontIconClasses();\n        }\n    };\n    MatIcon.prototype.ngOnInit = function () {\n        // Update font classes because ngOnChanges won't be called if none of the inputs are present,\n        // e.g. <mat-icon>arrow</mat-icon> In this case we need to add a CSS class for the default font.\n        if (this._usingFontIcon()) {\n            this._updateFontIconClasses();\n        }\n    };\n    MatIcon.prototype.ngAfterViewChecked = function () {\n        var cachedElements = this._elementsWithExternalReferences;\n        if (cachedElements && this._location && cachedElements.size) {\n            var newPath = this._location.getPathname();\n            // We need to check whether the URL has changed on each change detection since\n            // the browser doesn't have an API that will let us react on link clicks and\n            // we can't depend on the Angular router. The references need to be updated,\n            // because while most browsers don't care whether the URL is correct after\n            // the first render, Safari will break if the user navigates to a different\n            // page and the SVG isn't re-rendered.\n            if (newPath !== this._previousPath) {\n                this._previousPath = newPath;\n                this._prependPathToReferences(newPath);\n            }\n        }\n    };\n    MatIcon.prototype.ngOnDestroy = function () {\n        if (this._elementsWithExternalReferences) {\n            this._elementsWithExternalReferences.clear();\n        }\n    };\n    MatIcon.prototype._usingFontIcon = function () {\n        return !this.svgIcon;\n    };\n    MatIcon.prototype._setSvgElement = function (svg) {\n        this._clearSvgElement();\n        // Workaround for IE11 and Edge ignoring `style` tags inside dynamically-created SVGs.\n        // See: https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/10898469/\n        // Do this before inserting the element into the DOM, in order to avoid a style recalculation.\n        var styleTags = svg.querySelectorAll('style');\n        for (var i = 0; i < styleTags.length; i++) {\n            styleTags[i].textContent += ' ';\n        }\n        // Note: we do this fix here, rather than the icon registry, because the\n        // references have to point to the URL at the time that the icon was created.\n        if (this._location) {\n            var path = this._location.getPathname();\n            this._previousPath = path;\n            this._cacheChildrenWithExternalReferences(svg);\n            this._prependPathToReferences(path);\n        }\n        this._elementRef.nativeElement.appendChild(svg);\n    };\n    MatIcon.prototype._clearSvgElement = function () {\n        var layoutElement = this._elementRef.nativeElement;\n        var childCount = layoutElement.childNodes.length;\n        if (this._elementsWithExternalReferences) {\n            this._elementsWithExternalReferences.clear();\n        }\n        // Remove existing non-element child nodes and SVGs, and add the new SVG element. Note that\n        // we can't use innerHTML, because IE will throw if the element has a data binding.\n        while (childCount--) {\n            var child = layoutElement.childNodes[childCount];\n            // 1 corresponds to Node.ELEMENT_NODE. We remove all non-element nodes in order to get rid\n            // of any loose text nodes, as well as any SVG elements in order to remove any old icons.\n            if (child.nodeType !== 1 || child.nodeName.toLowerCase() === 'svg') {\n                layoutElement.removeChild(child);\n            }\n        }\n    };\n    MatIcon.prototype._updateFontIconClasses = function () {\n        if (!this._usingFontIcon()) {\n            return;\n        }\n        var elem = this._elementRef.nativeElement;\n        var fontSetClass = this.fontSet ?\n            this._iconRegistry.classNameForFontAlias(this.fontSet) :\n            this._iconRegistry.getDefaultFontSetClass();\n        if (fontSetClass != this._previousFontSetClass) {\n            if (this._previousFontSetClass) {\n                elem.classList.remove(this._previousFontSetClass);\n            }\n            if (fontSetClass) {\n                elem.classList.add(fontSetClass);\n            }\n            this._previousFontSetClass = fontSetClass;\n        }\n        if (this.fontIcon != this._previousFontIconClass) {\n            if (this._previousFontIconClass) {\n                elem.classList.remove(this._previousFontIconClass);\n            }\n            if (this.fontIcon) {\n                elem.classList.add(this.fontIcon);\n            }\n            this._previousFontIconClass = this.fontIcon;\n        }\n    };\n    /**\n     * Cleans up a value to be used as a fontIcon or fontSet.\n     * Since the value ends up being assigned as a CSS class, we\n     * have to trim the value and omit space-separated values.\n     */\n    MatIcon.prototype._cleanupFontValue = function (value) {\n        return typeof value === 'string' ? value.trim().split(' ')[0] : value;\n    };\n    /**\n     * Prepends the current path to all elements that have an attribute pointing to a `FuncIRI`\n     * reference. This is required because WebKit browsers require references to be prefixed with\n     * the current path, if the page has a `base` tag.\n     */\n    MatIcon.prototype._prependPathToReferences = function (path) {\n        var elements = this._elementsWithExternalReferences;\n        if (elements) {\n            elements.forEach(function (attrs, element) {\n                attrs.forEach(function (attr) {\n                    element.setAttribute(attr.name, \"url('\" + path + \"#\" + attr.value + \"')\");\n                });\n            });\n        }\n    };\n    /**\n     * Caches the children of an SVG element that have `url()`\n     * references that we need to prefix with the current path.\n     */\n    MatIcon.prototype._cacheChildrenWithExternalReferences = function (element) {\n        var elementsWithFuncIri = element.querySelectorAll(funcIriAttributeSelector);\n        var elements = this._elementsWithExternalReferences =\n            this._elementsWithExternalReferences || new Map();\n        var _loop_1 = function (i) {\n            funcIriAttributes.forEach(function (attr) {\n                var elementWithReference = elementsWithFuncIri[i];\n                var value = elementWithReference.getAttribute(attr);\n                var match = value ? value.match(funcIriPattern) : null;\n                if (match) {\n                    var attributes = elements.get(elementWithReference);\n                    if (!attributes) {\n                        attributes = [];\n                        elements.set(elementWithReference, attributes);\n                    }\n                    attributes.push({ name: attr, value: match[1] });\n                }\n            });\n        };\n        for (var i = 0; i < elementsWithFuncIri.length; i++) {\n            _loop_1(i);\n        }\n    };\n    MatIcon.decorators = [\n        { type: Component, args: [{\n                    template: '<ng-content></ng-content>',\n                    selector: 'mat-icon',\n                    exportAs: 'matIcon',\n                    inputs: ['color'],\n                    host: {\n                        'role': 'img',\n                        'class': 'mat-icon notranslate',\n                        '[class.mat-icon-inline]': 'inline',\n                        '[class.mat-icon-no-color]': 'color !== \"primary\" && color !== \"accent\" && color !== \"warn\"',\n                    },\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    styles: [\".mat-icon{background-repeat:no-repeat;display:inline-block;fill:currentColor;height:24px;width:24px}.mat-icon.mat-icon-inline{font-size:inherit;height:inherit;line-height:inherit;width:inherit}[dir=rtl] .mat-icon-rtl-mirror{transform:scale(-1, 1)}.mat-form-field:not(.mat-form-field-appearance-legacy) .mat-form-field-prefix .mat-icon,.mat-form-field:not(.mat-form-field-appearance-legacy) .mat-form-field-suffix .mat-icon{display:block}.mat-form-field:not(.mat-form-field-appearance-legacy) .mat-form-field-prefix .mat-icon-button .mat-icon,.mat-form-field:not(.mat-form-field-appearance-legacy) .mat-form-field-suffix .mat-icon-button .mat-icon{margin:auto}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatIcon.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: MatIconRegistry },\n        { type: String, decorators: [{ type: Attribute, args: ['aria-hidden',] }] },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_ICON_LOCATION,] }] },\n        { type: ErrorHandler, decorators: [{ type: Optional }] }\n    ]; };\n    MatIcon.propDecorators = {\n        inline: [{ type: Input }],\n        svgIcon: [{ type: Input }],\n        fontSet: [{ type: Input }],\n        fontIcon: [{ type: Input }]\n    };\n    return MatIcon;\n}(_MatIconMixinBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatIconModule = /** @class */ (function () {\n    function MatIconModule() {\n    }\n    MatIconModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [MatCommonModule],\n                    exports: [MatIcon, MatCommonModule],\n                    declarations: [MatIcon],\n                },] }\n    ];\n    return MatIconModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { ICON_REGISTRY_PROVIDER, ICON_REGISTRY_PROVIDER_FACTORY, MAT_ICON_LOCATION, MAT_ICON_LOCATION_FACTORY, MatIcon, MatIconModule, MatIconRegistry, getMatIconFailedToSanitizeLiteralError, getMatIconFailedToSanitizeUrlError, getMatIconNameNotFoundError, getMatIconNoHttpProviderError, ɵ0 };\n","import { InjectionToken, Component, ChangeDetectionStrategy, ViewEncapsulation, ElementRef, Optional, Inject, Input, NgModule } from '@angular/core';\nimport { DOCUMENT, CommonModule } from '@angular/common';\nimport { mixinColor, MatCommonModule } from '@angular/material/core';\nimport { __extends } from 'tslib';\nimport { coerceNumberProperty } from '@angular/cdk/coercion';\nimport { Platform } from '@angular/cdk/platform';\nimport { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Base reference size of the spinner.\n * @docs-private\n */\nvar BASE_SIZE = 100;\n/**\n * Base reference stroke width of the spinner.\n * @docs-private\n */\nvar BASE_STROKE_WIDTH = 10;\n// Boilerplate for applying mixins to MatProgressSpinner.\n/** @docs-private */\nvar MatProgressSpinnerBase = /** @class */ (function () {\n    function MatProgressSpinnerBase(_elementRef) {\n        this._elementRef = _elementRef;\n    }\n    return MatProgressSpinnerBase;\n}());\nvar _MatProgressSpinnerMixinBase = mixinColor(MatProgressSpinnerBase, 'primary');\n/** Injection token to be used to override the default options for `mat-progress-spinner`. */\nvar MAT_PROGRESS_SPINNER_DEFAULT_OPTIONS = new InjectionToken('mat-progress-spinner-default-options', {\n    providedIn: 'root',\n    factory: MAT_PROGRESS_SPINNER_DEFAULT_OPTIONS_FACTORY,\n});\n/** @docs-private */\nfunction MAT_PROGRESS_SPINNER_DEFAULT_OPTIONS_FACTORY() {\n    return { diameter: BASE_SIZE };\n}\n// .0001 percentage difference is necessary in order to avoid unwanted animation frames\n// for example because the animation duration is 4 seconds, .1% accounts to 4ms\n// which are enough to see the flicker described in\n// https://github.com/angular/components/issues/8984\nvar INDETERMINATE_ANIMATION_TEMPLATE = \"\\n @keyframes mat-progress-spinner-stroke-rotate-DIAMETER {\\n    0%      { stroke-dashoffset: START_VALUE;  transform: rotate(0); }\\n    12.5%   { stroke-dashoffset: END_VALUE;    transform: rotate(0); }\\n    12.5001%  { stroke-dashoffset: END_VALUE;    transform: rotateX(180deg) rotate(72.5deg); }\\n    25%     { stroke-dashoffset: START_VALUE;  transform: rotateX(180deg) rotate(72.5deg); }\\n\\n    25.0001%   { stroke-dashoffset: START_VALUE;  transform: rotate(270deg); }\\n    37.5%   { stroke-dashoffset: END_VALUE;    transform: rotate(270deg); }\\n    37.5001%  { stroke-dashoffset: END_VALUE;    transform: rotateX(180deg) rotate(161.5deg); }\\n    50%     { stroke-dashoffset: START_VALUE;  transform: rotateX(180deg) rotate(161.5deg); }\\n\\n    50.0001%  { stroke-dashoffset: START_VALUE;  transform: rotate(180deg); }\\n    62.5%   { stroke-dashoffset: END_VALUE;    transform: rotate(180deg); }\\n    62.5001%  { stroke-dashoffset: END_VALUE;    transform: rotateX(180deg) rotate(251.5deg); }\\n    75%     { stroke-dashoffset: START_VALUE;  transform: rotateX(180deg) rotate(251.5deg); }\\n\\n    75.0001%  { stroke-dashoffset: START_VALUE;  transform: rotate(90deg); }\\n    87.5%   { stroke-dashoffset: END_VALUE;    transform: rotate(90deg); }\\n    87.5001%  { stroke-dashoffset: END_VALUE;    transform: rotateX(180deg) rotate(341.5deg); }\\n    100%    { stroke-dashoffset: START_VALUE;  transform: rotateX(180deg) rotate(341.5deg); }\\n  }\\n\";\n/**\n * `<mat-progress-spinner>` component.\n */\nvar MatProgressSpinner = /** @class */ (function (_super) {\n    __extends(MatProgressSpinner, _super);\n    function MatProgressSpinner(_elementRef, platform, _document, animationMode, defaults) {\n        var _this = _super.call(this, _elementRef) || this;\n        _this._elementRef = _elementRef;\n        _this._document = _document;\n        _this._diameter = BASE_SIZE;\n        _this._value = 0;\n        _this._fallbackAnimation = false;\n        /** Mode of the progress circle */\n        _this.mode = 'determinate';\n        var trackedDiameters = MatProgressSpinner._diameters;\n        // The base size is already inserted via the component's structural styles. We still\n        // need to track it so we don't end up adding the same styles again.\n        if (!trackedDiameters.has(_document.head)) {\n            trackedDiameters.set(_document.head, new Set([BASE_SIZE]));\n        }\n        _this._fallbackAnimation = platform.EDGE || platform.TRIDENT;\n        _this._noopAnimations = animationMode === 'NoopAnimations' &&\n            (!!defaults && !defaults._forceAnimations);\n        if (defaults) {\n            if (defaults.diameter) {\n                _this.diameter = defaults.diameter;\n            }\n            if (defaults.strokeWidth) {\n                _this.strokeWidth = defaults.strokeWidth;\n            }\n        }\n        return _this;\n    }\n    Object.defineProperty(MatProgressSpinner.prototype, \"diameter\", {\n        /** The diameter of the progress spinner (will set width and height of svg). */\n        get: function () { return this._diameter; },\n        set: function (size) {\n            this._diameter = coerceNumberProperty(size);\n            // If this is set before `ngOnInit`, the style root may not have been resolved yet.\n            if (!this._fallbackAnimation && this._styleRoot) {\n                this._attachStyleNode();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatProgressSpinner.prototype, \"strokeWidth\", {\n        /** Stroke width of the progress spinner. */\n        get: function () {\n            return this._strokeWidth || this.diameter / 10;\n        },\n        set: function (value) {\n            this._strokeWidth = coerceNumberProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatProgressSpinner.prototype, \"value\", {\n        /** Value of the progress circle. */\n        get: function () {\n            return this.mode === 'determinate' ? this._value : 0;\n        },\n        set: function (newValue) {\n            this._value = Math.max(0, Math.min(100, coerceNumberProperty(newValue)));\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatProgressSpinner.prototype.ngOnInit = function () {\n        var element = this._elementRef.nativeElement;\n        // Note that we need to look up the root node in ngOnInit, rather than the constructor, because\n        // Angular seems to create the element outside the shadow root and then moves it inside, if the\n        // node is inside an `ngIf` and a ShadowDom-encapsulated component.\n        this._styleRoot = _getShadowRoot(element, this._document) || this._document.head;\n        this._attachStyleNode();\n        // On IE and Edge, we can't animate the `stroke-dashoffset`\n        // reliably so we fall back to a non-spec animation.\n        var animationClass = \"mat-progress-spinner-indeterminate\" + (this._fallbackAnimation ? '-fallback' : '') + \"-animation\";\n        element.classList.add(animationClass);\n    };\n    Object.defineProperty(MatProgressSpinner.prototype, \"_circleRadius\", {\n        /** The radius of the spinner, adjusted for stroke width. */\n        get: function () {\n            return (this.diameter - BASE_STROKE_WIDTH) / 2;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatProgressSpinner.prototype, \"_viewBox\", {\n        /** The view box of the spinner's svg element. */\n        get: function () {\n            var viewBox = this._circleRadius * 2 + this.strokeWidth;\n            return \"0 0 \" + viewBox + \" \" + viewBox;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatProgressSpinner.prototype, \"_strokeCircumference\", {\n        /** The stroke circumference of the svg circle. */\n        get: function () {\n            return 2 * Math.PI * this._circleRadius;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatProgressSpinner.prototype, \"_strokeDashOffset\", {\n        /** The dash offset of the svg circle. */\n        get: function () {\n            if (this.mode === 'determinate') {\n                return this._strokeCircumference * (100 - this._value) / 100;\n            }\n            // In fallback mode set the circle to 80% and rotate it with CSS.\n            if (this._fallbackAnimation && this.mode === 'indeterminate') {\n                return this._strokeCircumference * 0.2;\n            }\n            return null;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatProgressSpinner.prototype, \"_circleStrokeWidth\", {\n        /** Stroke width of the circle in percent. */\n        get: function () {\n            return this.strokeWidth / this.diameter * 100;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** Dynamically generates a style tag containing the correct animation for this diameter. */\n    MatProgressSpinner.prototype._attachStyleNode = function () {\n        var styleRoot = this._styleRoot;\n        var currentDiameter = this._diameter;\n        var diameters = MatProgressSpinner._diameters;\n        var diametersForElement = diameters.get(styleRoot);\n        if (!diametersForElement || !diametersForElement.has(currentDiameter)) {\n            var styleTag = this._document.createElement('style');\n            styleTag.setAttribute('mat-spinner-animation', currentDiameter + '');\n            styleTag.textContent = this._getAnimationText();\n            styleRoot.appendChild(styleTag);\n            if (!diametersForElement) {\n                diametersForElement = new Set();\n                diameters.set(styleRoot, diametersForElement);\n            }\n            diametersForElement.add(currentDiameter);\n        }\n    };\n    /** Generates animation styles adjusted for the spinner's diameter. */\n    MatProgressSpinner.prototype._getAnimationText = function () {\n        return INDETERMINATE_ANIMATION_TEMPLATE\n            // Animation should begin at 5% and end at 80%\n            .replace(/START_VALUE/g, \"\" + 0.95 * this._strokeCircumference)\n            .replace(/END_VALUE/g, \"\" + 0.2 * this._strokeCircumference)\n            .replace(/DIAMETER/g, \"\" + this.diameter);\n    };\n    /**\n     * Tracks diameters of existing instances to de-dupe generated styles (default d = 100).\n     * We need to keep track of which elements the diameters were attached to, because for\n     * elements in the Shadow DOM the style tags are attached to the shadow root, rather\n     * than the document head.\n     */\n    MatProgressSpinner._diameters = new WeakMap();\n    MatProgressSpinner.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-progress-spinner',\n                    exportAs: 'matProgressSpinner',\n                    host: {\n                        'role': 'progressbar',\n                        'class': 'mat-progress-spinner',\n                        '[class._mat-animation-noopable]': \"_noopAnimations\",\n                        '[style.width.px]': 'diameter',\n                        '[style.height.px]': 'diameter',\n                        '[attr.aria-valuemin]': 'mode === \"determinate\" ? 0 : null',\n                        '[attr.aria-valuemax]': 'mode === \"determinate\" ? 100 : null',\n                        '[attr.aria-valuenow]': 'mode === \"determinate\" ? value : null',\n                        '[attr.mode]': 'mode',\n                    },\n                    inputs: ['color'],\n                    template: \"<!--\\n  preserveAspectRatio of xMidYMid meet as the center of the viewport is the circle's\\n  center. The center of the circle will remain at the center of the mat-progress-spinner\\n  element containing the SVG. `focusable=\\\"false\\\"` prevents IE from allowing the user to\\n  tab into the SVG element.\\n-->\\n\\n<svg\\n  [style.width.px]=\\\"diameter\\\"\\n  [style.height.px]=\\\"diameter\\\"\\n  [attr.viewBox]=\\\"_viewBox\\\"\\n  preserveAspectRatio=\\\"xMidYMid meet\\\"\\n  focusable=\\\"false\\\"\\n  [ngSwitch]=\\\"mode === 'indeterminate'\\\">\\n\\n  <!--\\n    Technically we can reuse the same `circle` element, however Safari has an issue that breaks\\n    the SVG rendering in determinate mode, after switching between indeterminate and determinate.\\n    Using a different element avoids the issue. An alternative to this is adding `display: none`\\n    for a split second and then removing it when switching between modes, but it's hard to know\\n    for how long to hide the element and it can cause the UI to blink.\\n  -->\\n  <circle\\n    *ngSwitchCase=\\\"true\\\"\\n    cx=\\\"50%\\\"\\n    cy=\\\"50%\\\"\\n    [attr.r]=\\\"_circleRadius\\\"\\n    [style.animation-name]=\\\"'mat-progress-spinner-stroke-rotate-' + diameter\\\"\\n    [style.stroke-dashoffset.px]=\\\"_strokeDashOffset\\\"\\n    [style.stroke-dasharray.px]=\\\"_strokeCircumference\\\"\\n    [style.stroke-width.%]=\\\"_circleStrokeWidth\\\"></circle>\\n\\n  <circle\\n    *ngSwitchCase=\\\"false\\\"\\n    cx=\\\"50%\\\"\\n    cy=\\\"50%\\\"\\n    [attr.r]=\\\"_circleRadius\\\"\\n    [style.stroke-dashoffset.px]=\\\"_strokeDashOffset\\\"\\n    [style.stroke-dasharray.px]=\\\"_strokeCircumference\\\"\\n    [style.stroke-width.%]=\\\"_circleStrokeWidth\\\"></circle>\\n</svg>\\n\",\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    encapsulation: ViewEncapsulation.None,\n                    styles: [\".mat-progress-spinner{display:block;position:relative}.mat-progress-spinner svg{position:absolute;transform:rotate(-90deg);top:0;left:0;transform-origin:center;overflow:visible}.mat-progress-spinner circle{fill:transparent;transform-origin:center;transition:stroke-dashoffset 225ms linear}._mat-animation-noopable.mat-progress-spinner circle{transition:none;animation:none}.mat-progress-spinner.mat-progress-spinner-indeterminate-animation[mode=indeterminate]{animation:mat-progress-spinner-linear-rotate 2000ms linear infinite}._mat-animation-noopable.mat-progress-spinner.mat-progress-spinner-indeterminate-animation[mode=indeterminate]{transition:none;animation:none}.mat-progress-spinner.mat-progress-spinner-indeterminate-animation[mode=indeterminate] circle{transition-property:stroke;animation-duration:4000ms;animation-timing-function:cubic-bezier(0.35, 0, 0.25, 1);animation-iteration-count:infinite}._mat-animation-noopable.mat-progress-spinner.mat-progress-spinner-indeterminate-animation[mode=indeterminate] circle{transition:none;animation:none}.mat-progress-spinner.mat-progress-spinner-indeterminate-fallback-animation[mode=indeterminate]{animation:mat-progress-spinner-stroke-rotate-fallback 10000ms cubic-bezier(0.87, 0.03, 0.33, 1) infinite}._mat-animation-noopable.mat-progress-spinner.mat-progress-spinner-indeterminate-fallback-animation[mode=indeterminate]{transition:none;animation:none}.mat-progress-spinner.mat-progress-spinner-indeterminate-fallback-animation[mode=indeterminate] circle{transition-property:stroke}._mat-animation-noopable.mat-progress-spinner.mat-progress-spinner-indeterminate-fallback-animation[mode=indeterminate] circle{transition:none;animation:none}@keyframes mat-progress-spinner-linear-rotate{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}@keyframes mat-progress-spinner-stroke-rotate-100{0%{stroke-dashoffset:268.606171575px;transform:rotate(0)}12.5%{stroke-dashoffset:56.5486677px;transform:rotate(0)}12.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(72.5deg)}25%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(72.5deg)}25.0001%{stroke-dashoffset:268.606171575px;transform:rotate(270deg)}37.5%{stroke-dashoffset:56.5486677px;transform:rotate(270deg)}37.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(161.5deg)}50%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(161.5deg)}50.0001%{stroke-dashoffset:268.606171575px;transform:rotate(180deg)}62.5%{stroke-dashoffset:56.5486677px;transform:rotate(180deg)}62.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(251.5deg)}75%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(251.5deg)}75.0001%{stroke-dashoffset:268.606171575px;transform:rotate(90deg)}87.5%{stroke-dashoffset:56.5486677px;transform:rotate(90deg)}87.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(341.5deg)}100%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(341.5deg)}}@keyframes mat-progress-spinner-stroke-rotate-fallback{0%{transform:rotate(0deg)}25%{transform:rotate(1170deg)}50%{transform:rotate(2340deg)}75%{transform:rotate(3510deg)}100%{transform:rotate(4680deg)}}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatProgressSpinner.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: Platform },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_PROGRESS_SPINNER_DEFAULT_OPTIONS,] }] }\n    ]; };\n    MatProgressSpinner.propDecorators = {\n        diameter: [{ type: Input }],\n        strokeWidth: [{ type: Input }],\n        mode: [{ type: Input }],\n        value: [{ type: Input }]\n    };\n    return MatProgressSpinner;\n}(_MatProgressSpinnerMixinBase));\n/**\n * `<mat-spinner>` component.\n *\n * This is a component definition to be used as a convenience reference to create an\n * indeterminate `<mat-progress-spinner>` instance.\n */\nvar MatSpinner = /** @class */ (function (_super) {\n    __extends(MatSpinner, _super);\n    function MatSpinner(elementRef, platform, document, animationMode, defaults) {\n        var _this = _super.call(this, elementRef, platform, document, animationMode, defaults) || this;\n        _this.mode = 'indeterminate';\n        return _this;\n    }\n    MatSpinner.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-spinner',\n                    host: {\n                        'role': 'progressbar',\n                        'mode': 'indeterminate',\n                        'class': 'mat-spinner mat-progress-spinner',\n                        '[class._mat-animation-noopable]': \"_noopAnimations\",\n                        '[style.width.px]': 'diameter',\n                        '[style.height.px]': 'diameter',\n                    },\n                    inputs: ['color'],\n                    template: \"<!--\\n  preserveAspectRatio of xMidYMid meet as the center of the viewport is the circle's\\n  center. The center of the circle will remain at the center of the mat-progress-spinner\\n  element containing the SVG. `focusable=\\\"false\\\"` prevents IE from allowing the user to\\n  tab into the SVG element.\\n-->\\n\\n<svg\\n  [style.width.px]=\\\"diameter\\\"\\n  [style.height.px]=\\\"diameter\\\"\\n  [attr.viewBox]=\\\"_viewBox\\\"\\n  preserveAspectRatio=\\\"xMidYMid meet\\\"\\n  focusable=\\\"false\\\"\\n  [ngSwitch]=\\\"mode === 'indeterminate'\\\">\\n\\n  <!--\\n    Technically we can reuse the same `circle` element, however Safari has an issue that breaks\\n    the SVG rendering in determinate mode, after switching between indeterminate and determinate.\\n    Using a different element avoids the issue. An alternative to this is adding `display: none`\\n    for a split second and then removing it when switching between modes, but it's hard to know\\n    for how long to hide the element and it can cause the UI to blink.\\n  -->\\n  <circle\\n    *ngSwitchCase=\\\"true\\\"\\n    cx=\\\"50%\\\"\\n    cy=\\\"50%\\\"\\n    [attr.r]=\\\"_circleRadius\\\"\\n    [style.animation-name]=\\\"'mat-progress-spinner-stroke-rotate-' + diameter\\\"\\n    [style.stroke-dashoffset.px]=\\\"_strokeDashOffset\\\"\\n    [style.stroke-dasharray.px]=\\\"_strokeCircumference\\\"\\n    [style.stroke-width.%]=\\\"_circleStrokeWidth\\\"></circle>\\n\\n  <circle\\n    *ngSwitchCase=\\\"false\\\"\\n    cx=\\\"50%\\\"\\n    cy=\\\"50%\\\"\\n    [attr.r]=\\\"_circleRadius\\\"\\n    [style.stroke-dashoffset.px]=\\\"_strokeDashOffset\\\"\\n    [style.stroke-dasharray.px]=\\\"_strokeCircumference\\\"\\n    [style.stroke-width.%]=\\\"_circleStrokeWidth\\\"></circle>\\n</svg>\\n\",\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    encapsulation: ViewEncapsulation.None,\n                    styles: [\".mat-progress-spinner{display:block;position:relative}.mat-progress-spinner svg{position:absolute;transform:rotate(-90deg);top:0;left:0;transform-origin:center;overflow:visible}.mat-progress-spinner circle{fill:transparent;transform-origin:center;transition:stroke-dashoffset 225ms linear}._mat-animation-noopable.mat-progress-spinner circle{transition:none;animation:none}.mat-progress-spinner.mat-progress-spinner-indeterminate-animation[mode=indeterminate]{animation:mat-progress-spinner-linear-rotate 2000ms linear infinite}._mat-animation-noopable.mat-progress-spinner.mat-progress-spinner-indeterminate-animation[mode=indeterminate]{transition:none;animation:none}.mat-progress-spinner.mat-progress-spinner-indeterminate-animation[mode=indeterminate] circle{transition-property:stroke;animation-duration:4000ms;animation-timing-function:cubic-bezier(0.35, 0, 0.25, 1);animation-iteration-count:infinite}._mat-animation-noopable.mat-progress-spinner.mat-progress-spinner-indeterminate-animation[mode=indeterminate] circle{transition:none;animation:none}.mat-progress-spinner.mat-progress-spinner-indeterminate-fallback-animation[mode=indeterminate]{animation:mat-progress-spinner-stroke-rotate-fallback 10000ms cubic-bezier(0.87, 0.03, 0.33, 1) infinite}._mat-animation-noopable.mat-progress-spinner.mat-progress-spinner-indeterminate-fallback-animation[mode=indeterminate]{transition:none;animation:none}.mat-progress-spinner.mat-progress-spinner-indeterminate-fallback-animation[mode=indeterminate] circle{transition-property:stroke}._mat-animation-noopable.mat-progress-spinner.mat-progress-spinner-indeterminate-fallback-animation[mode=indeterminate] circle{transition:none;animation:none}@keyframes mat-progress-spinner-linear-rotate{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}@keyframes mat-progress-spinner-stroke-rotate-100{0%{stroke-dashoffset:268.606171575px;transform:rotate(0)}12.5%{stroke-dashoffset:56.5486677px;transform:rotate(0)}12.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(72.5deg)}25%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(72.5deg)}25.0001%{stroke-dashoffset:268.606171575px;transform:rotate(270deg)}37.5%{stroke-dashoffset:56.5486677px;transform:rotate(270deg)}37.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(161.5deg)}50%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(161.5deg)}50.0001%{stroke-dashoffset:268.606171575px;transform:rotate(180deg)}62.5%{stroke-dashoffset:56.5486677px;transform:rotate(180deg)}62.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(251.5deg)}75%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(251.5deg)}75.0001%{stroke-dashoffset:268.606171575px;transform:rotate(90deg)}87.5%{stroke-dashoffset:56.5486677px;transform:rotate(90deg)}87.5001%{stroke-dashoffset:56.5486677px;transform:rotateX(180deg) rotate(341.5deg)}100%{stroke-dashoffset:268.606171575px;transform:rotateX(180deg) rotate(341.5deg)}}@keyframes mat-progress-spinner-stroke-rotate-fallback{0%{transform:rotate(0deg)}25%{transform:rotate(1170deg)}50%{transform:rotate(2340deg)}75%{transform:rotate(3510deg)}100%{transform:rotate(4680deg)}}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatSpinner.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: Platform },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_PROGRESS_SPINNER_DEFAULT_OPTIONS,] }] }\n    ]; };\n    return MatSpinner;\n}(MatProgressSpinner));\n/** Gets the shadow root of an element, if supported and the element is inside the Shadow DOM. */\nfunction _getShadowRoot(element, _document) {\n    // TODO(crisbeto): see whether we should move this into the CDK\n    // feature detection utilities once #15616 gets merged in.\n    if (typeof window !== 'undefined') {\n        var head = _document.head;\n        // Check whether the browser supports Shadow DOM.\n        if (head && (head.createShadowRoot || head.attachShadow)) {\n            var rootNode = element.getRootNode ? element.getRootNode() : null;\n            // We need to take the `ShadowRoot` off of `window`, because the built-in types are\n            // incorrect. See https://github.com/Microsoft/TypeScript/issues/27929.\n            if (rootNode instanceof window.ShadowRoot) {\n                return rootNode;\n            }\n        }\n    }\n    return null;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatProgressSpinnerModule = /** @class */ (function () {\n    function MatProgressSpinnerModule() {\n    }\n    MatProgressSpinnerModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [MatCommonModule, CommonModule],\n                    exports: [\n                        MatProgressSpinner,\n                        MatSpinner,\n                        MatCommonModule\n                    ],\n                    declarations: [\n                        MatProgressSpinner,\n                        MatSpinner\n                    ],\n                },] }\n    ];\n    return MatProgressSpinnerModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MAT_PROGRESS_SPINNER_DEFAULT_OPTIONS, MAT_PROGRESS_SPINNER_DEFAULT_OPTIONS_FACTORY, MatProgressSpinner, MatProgressSpinnerModule, MatSpinner };\n","import { __decorate, __read, __param } from 'tslib';\nimport { Directive, EventEmitter, Inject, ChangeDetectorRef, Optional, Input, Output, ViewChild, ElementRef, ContentChild, HostBinding, Component, forwardRef, ChangeDetectionStrategy, NgModule } from '@angular/core';\nimport { FormControl, NG_VALUE_ACCESSOR, ReactiveFormsModule } from '@angular/forms';\nimport { _countGroupLabelsBeforeOption, MatOption } from '@angular/material/core';\nimport { MatSelect } from '@angular/material/select';\nimport { MatFormField } from '@angular/material/form-field';\nimport { A, Z, ZERO, NINE, SPACE, HOME, END, ENTER, ESCAPE, UP_ARROW, DOWN_ARROW } from '@angular/cdk/keycodes';\nimport { ViewportRuler } from '@angular/cdk/scrolling';\nimport { LiveAnnouncer } from '@angular/cdk/a11y';\nimport { BehaviorSubject, of, combineLatest, Subject } from 'rxjs';\nimport { switchMap, map, startWith, delay, takeUntil, take, filter, tap } from 'rxjs/operators';\nimport { MatButtonModule } from '@angular/material/button';\nimport { MatCheckboxModule } from '@angular/material/checkbox';\nimport { MatIconModule } from '@angular/material/icon';\nimport { MatProgressSpinnerModule } from '@angular/material/progress-spinner';\nimport { MatTooltipModule } from '@angular/material/tooltip';\nimport { CommonModule } from '@angular/common';\n\n/**\n * Directive for providing a custom clear-icon.\n * e.g.\n * <ngx-mat-select-search [formControl]=\"bankFilterCtrl\">\n *   <mat-icon ngxMatSelectSearchClear>delete</mat-icon>\n * </ngx-mat-select-search>\n */\nvar MatSelectSearchClearDirective = /** @class */ (function () {\n    function MatSelectSearchClearDirective() {\n    }\n    MatSelectSearchClearDirective = __decorate([\n        Directive({\n            selector: '[ngxMatSelectSearchClear]'\n        })\n    ], MatSelectSearchClearDirective);\n    return MatSelectSearchClearDirective;\n}());\n\n/**\n * Copyright (c) 2018 Bithost GmbH All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** The max height of the select's overlay panel. */\nvar SELECT_PANEL_MAX_HEIGHT = 256;\n/* tslint:disable:member-ordering component-selector */\n/**\n * Component providing an input field for searching MatSelect options.\n *\n * Example usage:\n *\n * interface Bank {\n *  id: string;\n *  name: string;\n * }\n *\n * @Component({\n *   selector: 'my-app-data-selection',\n *   template: `\n *     <mat-form-field>\n *       <mat-select [formControl]=\"bankCtrl\" placeholder=\"Bank\">\n *         <mat-option>\n *           <ngx-mat-select-search [formControl]=\"bankFilterCtrl\"></ngx-mat-select-search>\n *         </mat-option>\n *         <mat-option *ngFor=\"let bank of filteredBanks | async\" [value]=\"bank.id\">\n *           {{bank.name}}\n *         </mat-option>\n *       </mat-select>\n *     </mat-form-field>\n *   `\n * })\n * export class DataSelectionComponent implements OnInit, OnDestroy {\n *\n *   // control for the selected bank\n *   public bankCtrl: FormControl = new FormControl();\n *   // control for the MatSelect filter keyword\n *   public bankFilterCtrl: FormControl = new FormControl();\n *\n *   // list of banks\n *   private banks: Bank[] = [{name: 'Bank A', id: 'A'}, {name: 'Bank B', id: 'B'}, {name: 'Bank C', id: 'C'}];\n *   // list of banks filtered by search keyword\n *   public filteredBanks: ReplaySubject<Bank[]> = new ReplaySubject<Bank[]>(1);\n *\n *   // Subject that emits when the component has been destroyed.\n *   private _onDestroy = new Subject<void>();\n *\n *\n *   ngOnInit() {\n *     // load the initial bank list\n *     this.filteredBanks.next(this.banks.slice());\n *     // listen for search field value changes\n *     this.bankFilterCtrl.valueChanges\n *       .pipe(takeUntil(this._onDestroy))\n *       .subscribe(() => {\n *         this.filterBanks();\n *       });\n *   }\n *\n *   ngOnDestroy() {\n *     this._onDestroy.next();\n *     this._onDestroy.complete();\n *   }\n *\n *   private filterBanks() {\n *     if (!this.banks) {\n *       return;\n *     }\n *\n *     // get the search keyword\n *     let search = this.bankFilterCtrl.value;\n *     if (!search) {\n *       this.filteredBanks.next(this.banks.slice());\n *       return;\n *     } else {\n *       search = search.toLowerCase();\n *     }\n *\n *     // filter the banks\n *     this.filteredBanks.next(\n *       this.banks.filter(bank => bank.name.toLowerCase().indexOf(search) > -1)\n *     );\n *   }\n * }\n */\nvar MatSelectSearchComponent = /** @class */ (function () {\n    function MatSelectSearchComponent(matSelect, changeDetectorRef, _viewportRuler, matOption, liveAnnouncer, matFormField) {\n        var _this = this;\n        if (matOption === void 0) { matOption = null; }\n        if (matFormField === void 0) { matFormField = null; }\n        this.matSelect = matSelect;\n        this.changeDetectorRef = changeDetectorRef;\n        this._viewportRuler = _viewportRuler;\n        this.matOption = matOption;\n        this.liveAnnouncer = liveAnnouncer;\n        this.matFormField = matFormField;\n        /** Label of the search placeholder */\n        this.placeholderLabel = 'Suche';\n        /** Type of the search input field */\n        this.type = 'text';\n        /** Label to be shown when no entries are found. Set to null if no message should be shown. */\n        this.noEntriesFoundLabel = 'Keine Optionen gefunden';\n        /**\n         *  Text that is appended to the currently active item label announced by screen readers,\n         *  informing the user of the current index, value and total options.\n         *  eg: Bank R (Germany) 1 of 6\n        */\n        this.indexAndLengthScreenReaderText = ' of ';\n        /**\n          * Whether or not the search field should be cleared after the dropdown menu is closed.\n          * Useful for server-side filtering. See [#3](https://github.com/bithost-gmbh/ngx-mat-select-search/issues/3)\n          */\n        this.clearSearchInput = true;\n        /** Whether to show the search-in-progress indicator */\n        this.searching = false;\n        /** Disables initial focusing of the input field */\n        this.disableInitialFocus = false;\n        /** Enable clear input on escape pressed */\n        this.enableClearOnEscapePressed = false;\n        /**\n         * Prevents home / end key being propagated to mat-select,\n         * allowing to move the cursor within the search input instead of navigating the options\n         */\n        this.preventHomeEndKeyPropagation = false;\n        /** Disables scrolling to active options when option list changes. Useful for server-side search */\n        this.disableScrollToActiveOnOptionsChanged = false;\n        /** Adds 508 screen reader support for search box */\n        this.ariaLabel = 'dropdown search';\n        /** Whether to show Select All Checkbox (for mat-select[multi=true]) */\n        this.showToggleAllCheckbox = false;\n        /** select all checkbox checked state */\n        this.toggleAllCheckboxChecked = false;\n        /** select all checkbox indeterminate state */\n        this.toggleAllCheckboxIndeterminate = false;\n        /** Display a message in a tooltip on the toggle-all checkbox */\n        this.toggleAllCheckboxTooltipMessage = '';\n        /** Define the position of the tooltip on the toggle-all checkbox. */\n        this.toogleAllCheckboxTooltipPosition = 'below';\n        /** Show/Hide the search clear button of the search input */\n        this.hideClearSearchButton = false;\n        /**\n         * Always restore selected options on selectionChange for mode multi (e.g. for lazy loading/infinity scrolling).\n         * Defaults to false, so selected options are only restored while filtering is active.\n         */\n        this.alwaysRestoreSelectedOptionsMulti = false;\n        /** Output emitter to send to parent component with the toggle all boolean */\n        this.toggleAll = new EventEmitter();\n        this.onTouched = function (_) { };\n        this._options$ = new BehaviorSubject(null);\n        this.optionsList$ = this._options$.pipe(switchMap(function (_options) { return _options ?\n            _options.changes.pipe(map(function (options) { return options.toArray(); }), startWith(_options.toArray())) : of(null); }));\n        this.optionsLength$ = this.optionsList$.pipe(map(function (options) { return options ? options.length : 0; }));\n        this._formControl = new FormControl('');\n        /** whether to show the no entries found message */\n        this._showNoEntriesFound$ = combineLatest([\n            this._formControl.valueChanges,\n            this.optionsLength$\n        ]).pipe(map(function (_a) {\n            var _b = __read(_a, 2), value = _b[0], optionsLength = _b[1];\n            return _this.noEntriesFoundLabel && value\n                && optionsLength === _this.getOptionsLengthOffset();\n        }));\n        /** Subject that emits when the component has been destroyed. */\n        this._onDestroy = new Subject();\n    }\n    MatSelectSearchComponent_1 = MatSelectSearchComponent;\n    Object.defineProperty(MatSelectSearchComponent.prototype, \"isInsideMatOption\", {\n        get: function () {\n            return !!this.matOption;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatSelectSearchComponent.prototype, \"value\", {\n        /** Current search value */\n        get: function () {\n            return this._formControl.value;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatSelectSearchComponent.prototype, \"_options\", {\n        get: function () {\n            return this._options$.getValue();\n        },\n        /** Reference to the MatSelect options */\n        set: function (_options) {\n            this._options$.next(_options);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatSelectSearchComponent.prototype.ngOnInit = function () {\n        var _this = this;\n        // set custom panel class\n        var panelClass = 'mat-select-search-panel';\n        if (this.matSelect.panelClass) {\n            if (Array.isArray(this.matSelect.panelClass)) {\n                this.matSelect.panelClass.push(panelClass);\n            }\n            else if (typeof this.matSelect.panelClass === 'string') {\n                this.matSelect.panelClass = [this.matSelect.panelClass, panelClass];\n            }\n            else if (typeof this.matSelect.panelClass === 'object') {\n                this.matSelect.panelClass[panelClass] = true;\n            }\n        }\n        else {\n            this.matSelect.panelClass = panelClass;\n        }\n        // set custom mat-option class if the component was placed inside a mat-option\n        if (this.matOption) {\n            this.matOption.disabled = true;\n            this.matOption._getHostElement().classList.add('contains-mat-select-search');\n        }\n        else {\n            console.error('<ngx-mat-select-search> must be placed inside a <mat-option> element');\n        }\n        // when the select dropdown panel is opened or closed\n        this.matSelect.openedChange\n            .pipe(delay(1), takeUntil(this._onDestroy))\n            .subscribe(function (opened) {\n            if (opened) {\n                _this.updateInputWidth();\n                // focus the search field when opening\n                if (!_this.disableInitialFocus) {\n                    _this._focus();\n                }\n            }\n            else {\n                // clear it when closing\n                if (_this.clearSearchInput) {\n                    _this._reset();\n                }\n            }\n        });\n        // set the first item active after the options changed\n        this.matSelect.openedChange\n            .pipe(take(1))\n            .pipe(takeUntil(this._onDestroy))\n            .subscribe(function () {\n            if (_this.matSelect._keyManager) {\n                _this.matSelect._keyManager.change.pipe(takeUntil(_this._onDestroy))\n                    .subscribe(function () { return _this.adjustScrollTopToFitActiveOptionIntoView(); });\n            }\n            else {\n                console.log('_keyManager was not initialized.');\n            }\n            _this._options = _this.matSelect.options;\n            // Closure variable for tracking the most recent first option.\n            // In order to avoid avoid causing the list to\n            // scroll to the top when options are added to the bottom of\n            // the list (eg: infinite scroll), we compare only\n            // the changes to the first options to determine if we\n            // should set the first item as active.\n            // This prevents unnecessary scrolling to the top of the list\n            // when options are appended, but allows the first item\n            // in the list to be set as active by default when there\n            // is no active selection\n            var previousFirstOption = _this._options.toArray()[_this.getOptionsLengthOffset()];\n            _this._options.changes\n                .pipe(takeUntil(_this._onDestroy))\n                .subscribe(function () {\n                // avoid \"expression has been changed\" error\n                setTimeout(function () {\n                    // Convert the QueryList to an array\n                    var options = _this._options.toArray();\n                    // The true first item is offset by 1\n                    var currentFirstOption = options[_this.getOptionsLengthOffset()];\n                    var keyManager = _this.matSelect._keyManager;\n                    if (keyManager && _this.matSelect.panelOpen) {\n                        // set first item active and input width\n                        // Check to see if the first option in these changes is different from the previous.\n                        var firstOptionIsChanged = !_this.matSelect.compareWith(previousFirstOption, currentFirstOption);\n                        // CASE: The first option is different now.\n                        // Indiciates we should set it as active and scroll to the top.\n                        if (firstOptionIsChanged\n                            || !keyManager.activeItem\n                            || !options.find(function (option) { return _this.matSelect.compareWith(option, keyManager.activeItem); })) {\n                            keyManager.setFirstItemActive();\n                        }\n                        // wait for panel width changes\n                        setTimeout(function () {\n                            _this.updateInputWidth();\n                        });\n                        if (!_this.disableScrollToActiveOnOptionsChanged) {\n                            _this.adjustScrollTopToFitActiveOptionIntoView();\n                        }\n                    }\n                    // Update our reference\n                    previousFirstOption = currentFirstOption;\n                });\n            });\n        });\n        // add or remove css class depending on whether to show the no entries found message\n        // note: this is hacky\n        this._showNoEntriesFound$.pipe(takeUntil(this._onDestroy)).subscribe(function (showNoEntriesFound) {\n            // set no entries found class on mat option\n            if (_this.matOption) {\n                if (showNoEntriesFound) {\n                    _this.matOption._getHostElement().classList.add('mat-select-search-no-entries-found');\n                }\n                else {\n                    _this.matOption._getHostElement().classList.remove('mat-select-search-no-entries-found');\n                }\n            }\n        });\n        // resize the input width when the viewport is resized, i.e. the trigger width could potentially be resized\n        this._viewportRuler.change()\n            .pipe(takeUntil(this._onDestroy))\n            .subscribe(function () {\n            if (_this.matSelect.panelOpen) {\n                _this.updateInputWidth();\n            }\n        });\n        this.initMultipleHandling();\n        this.optionsList$.pipe(takeUntil(this._onDestroy)).subscribe(function () {\n            // update view when available options change\n            _this.changeDetectorRef.markForCheck();\n        });\n    };\n    MatSelectSearchComponent.prototype._emitSelectAllBooleanToParent = function (state) {\n        this.toggleAll.emit(state);\n    };\n    MatSelectSearchComponent.prototype.ngOnDestroy = function () {\n        this._onDestroy.next();\n        this._onDestroy.complete();\n    };\n    MatSelectSearchComponent.prototype._isToggleAllCheckboxVisible = function () {\n        return this.matSelect.multiple && this.showToggleAllCheckbox;\n    };\n    /**\n     * Handles the key down event with MatSelect.\n     * Allows e.g. selecting with enter key, navigation with arrow keys, etc.\n     * @param event\n     */\n    MatSelectSearchComponent.prototype._handleKeydown = function (event) {\n        var _this = this;\n        // Prevent propagation for all alphanumeric characters in order to avoid selection issues\n        if ((event.key && event.key.length === 1) ||\n            (event.keyCode >= A && event.keyCode <= Z) ||\n            (event.keyCode >= ZERO && event.keyCode <= NINE) ||\n            (event.keyCode === SPACE)\n            || (this.preventHomeEndKeyPropagation && (event.keyCode === HOME || event.keyCode === END))) {\n            event.stopPropagation();\n        }\n        if (this.matSelect.multiple && event.key && event.keyCode === ENTER) {\n            // Regain focus after multiselect, so we can further type\n            setTimeout(function () { return _this._focus(); });\n        }\n        // Special case if click Escape, if input is empty, close the dropdown, if not, empty out the search field\n        if (this.enableClearOnEscapePressed === true && event.keyCode === ESCAPE && this.value) {\n            this._reset(true);\n            event.stopPropagation();\n        }\n    };\n    /**\n     * Handles the key up event with MatSelect.\n     * Allows e.g. the announcing of the currently activeDescendant by screen readers.\n     */\n    MatSelectSearchComponent.prototype._handleKeyup = function (event) {\n        if (event.keyCode === UP_ARROW || event.keyCode === DOWN_ARROW) {\n            var ariaActiveDescendantId_1 = this.matSelect._getAriaActiveDescendant();\n            var index = this._options.toArray().findIndex(function (item) { return item.id === ariaActiveDescendantId_1; });\n            if (index !== -1) {\n                var activeDescendant = this._options.toArray()[index];\n                this.liveAnnouncer.announce(activeDescendant.viewValue + ' '\n                    + this.getAriaIndex(index)\n                    + this.indexAndLengthScreenReaderText\n                    + this.getAriaLength());\n            }\n        }\n    };\n    /**\n     * Calculate the index of the current option, taking the offset to length into account.\n     * examples:\n     *    Case 1 [Search, 1, 2, 3] will have offset of 1, due to search and will read index of total.\n     *    Case 2 [1, 2, 3] will have offset of 0 and will read index +1 of total.\n     */\n    MatSelectSearchComponent.prototype.getAriaIndex = function (optionIndex) {\n        if (this.getOptionsLengthOffset() === 0) {\n            return optionIndex + 1;\n        }\n        return optionIndex;\n    };\n    /**\n     * Calculate the length of the options, taking the offset to length into account.\n     * examples:\n     *    Case 1 [Search, 1, 2, 3] will have length of options.length -1, due to search.\n     *    Case 2 [1, 2, 3] will have length of options.length.\n     */\n    MatSelectSearchComponent.prototype.getAriaLength = function () {\n        return this._options.toArray().length - this.getOptionsLengthOffset();\n    };\n    MatSelectSearchComponent.prototype.writeValue = function (value) {\n        this._lastExternalInputValue = value;\n        this._formControl.setValue(value);\n        this.changeDetectorRef.markForCheck();\n    };\n    MatSelectSearchComponent.prototype.onBlur = function () {\n        this.onTouched();\n    };\n    MatSelectSearchComponent.prototype.registerOnChange = function (fn) {\n        var _this = this;\n        this._formControl.valueChanges.pipe(filter(function (value) { return value !== _this._lastExternalInputValue; }), tap(function () { return _this._lastExternalInputValue = undefined; }), takeUntil(this._onDestroy)).subscribe(fn);\n    };\n    MatSelectSearchComponent.prototype.registerOnTouched = function (fn) {\n        this.onTouched = fn;\n    };\n    /**\n     * Focuses the search input field\n     */\n    MatSelectSearchComponent.prototype._focus = function () {\n        if (!this.searchSelectInput || !this.matSelect.panel) {\n            return;\n        }\n        // save and restore scrollTop of panel, since it will be reset by focus()\n        // note: this is hacky\n        var panel = this.matSelect.panel.nativeElement;\n        var scrollTop = panel.scrollTop;\n        // focus\n        this.searchSelectInput.nativeElement.focus();\n        panel.scrollTop = scrollTop;\n    };\n    /**\n     * Resets the current search value\n     * @param focus whether to focus after resetting\n     */\n    MatSelectSearchComponent.prototype._reset = function (focus) {\n        this._formControl.setValue('');\n        if (focus) {\n            this._focus();\n        }\n    };\n    /**\n     * Initializes handling <mat-select [multiple]=\"true\">\n     * Note: to improve this code, mat-select should be extended to allow disabling resetting the selection while filtering.\n     */\n    MatSelectSearchComponent.prototype.initMultipleHandling = function () {\n        var _this = this;\n        if (!this.matSelect.ngControl) {\n            if (this.matSelect.multiple) {\n                // note: the access to matSelect.ngControl (instead of matSelect.value / matSelect.valueChanges)\n                // is necessary to properly work in multi-selection mode.\n                console.error('the mat-select containing ngx-mat-select-search must have a ngModel or formControl directive when multiple=true');\n            }\n            return;\n        }\n        // if <mat-select [multiple]=\"true\">\n        // store previously selected values and restore them when they are deselected\n        // because the option is not available while we are currently filtering\n        this.previousSelectedValues = this.matSelect.ngControl.value;\n        this.matSelect.ngControl.valueChanges\n            .pipe(takeUntil(this._onDestroy))\n            .subscribe(function (values) {\n            var restoreSelectedValues = false;\n            if (_this.matSelect.multiple) {\n                if ((_this.alwaysRestoreSelectedOptionsMulti || (_this._formControl.value && _this._formControl.value.length))\n                    && _this.previousSelectedValues && Array.isArray(_this.previousSelectedValues)) {\n                    if (!values || !Array.isArray(values)) {\n                        values = [];\n                    }\n                    var optionValues_1 = _this.matSelect.options.map(function (option) { return option.value; });\n                    _this.previousSelectedValues.forEach(function (previousValue) {\n                        if (!values.some(function (v) { return _this.matSelect.compareWith(v, previousValue); })\n                            && !optionValues_1.some(function (v) { return _this.matSelect.compareWith(v, previousValue); })) {\n                            // if a value that was selected before is deselected and not found in the options, it was deselected\n                            // due to the filtering, so we restore it.\n                            values.push(previousValue);\n                            restoreSelectedValues = true;\n                        }\n                    });\n                }\n            }\n            _this.previousSelectedValues = values;\n            if (restoreSelectedValues) {\n                _this.matSelect._onChange(values);\n            }\n        });\n    };\n    /**\n     * Scrolls the currently active option into the view if it is not yet visible.\n     */\n    MatSelectSearchComponent.prototype.adjustScrollTopToFitActiveOptionIntoView = function () {\n        if (this.matSelect.panel && this.matSelect.options.length > 0) {\n            var matOptionHeight = this.getMatOptionHeight();\n            var activeOptionIndex = this.matSelect._keyManager.activeItemIndex || 0;\n            var labelCount = _countGroupLabelsBeforeOption(activeOptionIndex, this.matSelect.options, this.matSelect.optionGroups);\n            // If the component is in a MatOption, the activeItemIndex will be offset by one.\n            var indexOfOptionToFitIntoView = (this.matOption ? -1 : 0) + labelCount + activeOptionIndex;\n            var currentScrollTop = this.matSelect.panel.nativeElement.scrollTop;\n            var searchInputHeight = this.innerSelectSearch.nativeElement.offsetHeight;\n            var amountOfVisibleOptions = Math.floor((SELECT_PANEL_MAX_HEIGHT - searchInputHeight) / matOptionHeight);\n            var indexOfFirstVisibleOption = Math.round((currentScrollTop + searchInputHeight) / matOptionHeight) - 1;\n            if (indexOfFirstVisibleOption >= indexOfOptionToFitIntoView) {\n                this.matSelect.panel.nativeElement.scrollTop = indexOfOptionToFitIntoView * matOptionHeight;\n            }\n            else if (indexOfFirstVisibleOption + amountOfVisibleOptions <= indexOfOptionToFitIntoView) {\n                this.matSelect.panel.nativeElement.scrollTop = (indexOfOptionToFitIntoView + 1) * matOptionHeight\n                    - (SELECT_PANEL_MAX_HEIGHT - searchInputHeight);\n            }\n        }\n    };\n    /**\n     *  Set the width of the innerSelectSearch to fit even custom scrollbars\n     *  And support all Operation Systems\n     */\n    MatSelectSearchComponent.prototype.updateInputWidth = function () {\n        if (!this.innerSelectSearch || !this.innerSelectSearch.nativeElement) {\n            return;\n        }\n        var element = this.innerSelectSearch.nativeElement;\n        var panelElement;\n        while (element = element.parentElement) {\n            if (element.classList.contains('mat-select-panel')) {\n                panelElement = element;\n                break;\n            }\n        }\n        if (panelElement) {\n            this.innerSelectSearch.nativeElement.style.width = panelElement.clientWidth + 'px';\n        }\n    };\n    MatSelectSearchComponent.prototype.getMatOptionHeight = function () {\n        if (this.matSelect.options.length > 0) {\n            return this.matSelect.options.first._getHostElement().getBoundingClientRect().height;\n        }\n        return 0;\n    };\n    /**\n     * Determine the offset to length that can be caused by the optional matOption used as a search input.\n     */\n    MatSelectSearchComponent.prototype.getOptionsLengthOffset = function () {\n        if (this.matOption) {\n            return 1;\n        }\n        else {\n            return 0;\n        }\n    };\n    var MatSelectSearchComponent_1;\n    MatSelectSearchComponent.ctorParameters = function () { return [\n        { type: MatSelect, decorators: [{ type: Inject, args: [MatSelect,] }] },\n        { type: ChangeDetectorRef },\n        { type: ViewportRuler },\n        { type: MatOption, decorators: [{ type: Optional }, { type: Inject, args: [MatOption,] }] },\n        { type: LiveAnnouncer },\n        { type: MatFormField, decorators: [{ type: Optional }, { type: Inject, args: [MatFormField,] }] }\n    ]; };\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"placeholderLabel\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"type\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"noEntriesFoundLabel\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"indexAndLengthScreenReaderText\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"clearSearchInput\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"searching\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"disableInitialFocus\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"enableClearOnEscapePressed\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"preventHomeEndKeyPropagation\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"disableScrollToActiveOnOptionsChanged\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"ariaLabel\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"showToggleAllCheckbox\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"toggleAllCheckboxChecked\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"toggleAllCheckboxIndeterminate\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"toggleAllCheckboxTooltipMessage\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"toogleAllCheckboxTooltipPosition\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"hideClearSearchButton\", void 0);\n    __decorate([\n        Input()\n    ], MatSelectSearchComponent.prototype, \"alwaysRestoreSelectedOptionsMulti\", void 0);\n    __decorate([\n        Output()\n    ], MatSelectSearchComponent.prototype, \"toggleAll\", void 0);\n    __decorate([\n        ViewChild('searchSelectInput', { read: ElementRef, static: true })\n    ], MatSelectSearchComponent.prototype, \"searchSelectInput\", void 0);\n    __decorate([\n        ViewChild('innerSelectSearch', { read: ElementRef, static: true })\n    ], MatSelectSearchComponent.prototype, \"innerSelectSearch\", void 0);\n    __decorate([\n        ContentChild(MatSelectSearchClearDirective, { static: false })\n    ], MatSelectSearchComponent.prototype, \"clearIcon\", void 0);\n    __decorate([\n        HostBinding('class.mat-select-search-inside-mat-option')\n    ], MatSelectSearchComponent.prototype, \"isInsideMatOption\", null);\n    MatSelectSearchComponent = MatSelectSearchComponent_1 = __decorate([\n        Component({\n            selector: 'ngx-mat-select-search',\n            template: \"<!-- Placeholder to adjust vertical offset of the mat-option elements -->\\n<input matInput class=\\\"mat-select-search-input mat-select-search-hidden\\\"/>\\n\\n<!-- Note: the  mat-datepicker-content mat-tab-header are needed to inherit the material theme colors, see PR #22 -->\\n<div\\n      #innerSelectSearch\\n      class=\\\"mat-select-search-inner mat-typography mat-datepicker-content mat-tab-header\\\"\\n      [ngClass]=\\\"{'mat-select-search-inner-multiple': matSelect.multiple, 'mat-select-search-inner-toggle-all': _isToggleAllCheckboxVisible() }\\\">\\n\\n  <mat-checkbox *ngIf=\\\"_isToggleAllCheckboxVisible()\\\"\\n                [color]=\\\"matFormField?.color\\\"\\n                class=\\\"mat-select-search-toggle-all-checkbox\\\"\\n                [checked]=\\\"toggleAllCheckboxChecked\\\"\\n                [indeterminate]=\\\"toggleAllCheckboxIndeterminate\\\"\\n                [matTooltip]=\\\"toggleAllCheckboxTooltipMessage\\\"\\n                matTooltipClass=\\\"ngx-mat-select-search-toggle-all-tooltip\\\"\\n                [matTooltipPosition]=\\\"toogleAllCheckboxTooltipPosition\\\"\\n                (change)=\\\"_emitSelectAllBooleanToParent($event.checked)\\\"\\n  ></mat-checkbox>\\n\\n  <input class=\\\"mat-select-search-input mat-input-element\\\"\\n         autocomplete=\\\"off\\\"\\n         [type]=\\\"type\\\"\\n         [formControl]=\\\"_formControl\\\"\\n         #searchSelectInput\\n         (keydown)=\\\"_handleKeydown($event)\\\"\\n         (keyup)=\\\"_handleKeyup($event)\\\"\\n         (blur)=\\\"onBlur()\\\"\\n         [placeholder]=\\\"placeholderLabel\\\"\\n         [attr.aria-label]=\\\"ariaLabel\\\"\\n  />\\n  <mat-spinner *ngIf=\\\"searching\\\"\\n          class=\\\"mat-select-search-spinner\\\"\\n          diameter=\\\"16\\\"></mat-spinner>\\n\\n  <button mat-button\\n          *ngIf=\\\"!hideClearSearchButton && value && !searching\\\"\\n          mat-icon-button\\n          aria-label=\\\"Clear\\\"\\n          (click)=\\\"_reset(true)\\\"\\n          class=\\\"mat-select-search-clear\\\">\\n    <ng-content *ngIf=\\\"clearIcon; else defaultIcon\\\" select=\\\"[ngxMatSelectSearchClear]\\\"></ng-content>\\n    <ng-template #defaultIcon>\\n      <mat-icon>close</mat-icon>\\n    </ng-template>\\n  </button>\\n\\n  <ng-content select=\\\".mat-select-search-custom-header-content\\\"></ng-content>\\n\\n</div>\\n\\n<div *ngIf=\\\"_showNoEntriesFound$ | async\\\"\\n     class=\\\"mat-select-search-no-entries-found\\\">\\n  {{noEntriesFoundLabel}}\\n</div>\\n<!--\\nCopyright (c) 2018 Bithost GmbH All Rights Reserved.\\n\\nUse of this source code is governed by an MIT-style license that can be\\nfound in the LICENSE file at https://angular.io/license\\n-->\\n\",\n            providers: [\n                {\n                    provide: NG_VALUE_ACCESSOR,\n                    useExisting: forwardRef(function () { return MatSelectSearchComponent_1; }),\n                    multi: true\n                }\n            ],\n            changeDetection: ChangeDetectionStrategy.OnPush,\n            styles: [\".mat-select-search-hidden{visibility:hidden}.mat-select-search-inner{position:absolute;top:0;width:100%;border-bottom-width:1px;border-bottom-style:solid;z-index:100;font-size:inherit;box-shadow:none;border-radius:4px 4px 0 0;-webkit-transform:translate3d(0,0,0)}.mat-select-search-inner.mat-select-search-inner-multiple{width:100%}.mat-select-search-inner.mat-select-search-inner-multiple.mat-select-search-inner-toggle-all{display:flex;align-items:center}.mat-select-search-inner .mat-input-element{flex-basis:auto}.mat-select-search-inner .mat-input-element:-ms-input-placeholder{-ms-user-select:text}::ng-deep .mat-select-search-panel{transform:none!important;overflow-x:hidden}.mat-select-search-input{padding:16px 44px 16px 16px;box-sizing:border-box;width:100%}:host-context([dir=rtl]) .mat-select-search-input{padding-right:16px;padding-left:44px}.mat-select-search-no-entries-found{padding:16px}.mat-select-search-clear{position:absolute;right:4px;top:5px}:host-context([dir=rtl]) .mat-select-search-clear{right:auto;left:4px}.mat-select-search-spinner{position:absolute;right:16px;top:calc(50% - 8px)}:host-context([dir=rtl]) .mat-select-search-spinner{right:auto;left:16px}:host.mat-select-search-inside-mat-option .mat-select-search-input{padding-top:0;padding-bottom:0;height:3em;line-height:3em}:host.mat-select-search-inside-mat-option .mat-select-search-clear{top:3px}::ng-deep .mat-option[aria-disabled=true].contains-mat-select-search{position:static;padding:0}::ng-deep .mat-option[aria-disabled=true].contains-mat-select-search .mat-icon{margin-right:0;margin-left:0}::ng-deep .mat-option[aria-disabled=true].contains-mat-select-search .mat-option-pseudo-checkbox{display:none}::ng-deep .mat-option[aria-disabled=true].contains-mat-select-search.mat-select-search-no-entries-found{height:6em}.mat-select-search-toggle-all-checkbox{padding-left:16px;padding-bottom:2px}:host-context([dir=rtl]) .mat-select-search-toggle-all-checkbox{padding-left:0;padding-right:16px}\"]\n        }),\n        __param(0, Inject(MatSelect)),\n        __param(3, Optional()), __param(3, Inject(MatOption)),\n        __param(5, Optional()), __param(5, Inject(MatFormField))\n    ], MatSelectSearchComponent);\n    return MatSelectSearchComponent;\n}());\n\n/**\n * Copyright (c) 2018 Bithost GmbH All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatSelectSearchVersion = '3.3.0';\nvar NgxMatSelectSearchModule = /** @class */ (function () {\n    function NgxMatSelectSearchModule() {\n    }\n    NgxMatSelectSearchModule = __decorate([\n        NgModule({\n            imports: [\n                CommonModule,\n                ReactiveFormsModule,\n                MatButtonModule,\n                MatCheckboxModule,\n                MatIconModule,\n                MatProgressSpinnerModule,\n                MatTooltipModule\n            ],\n            declarations: [\n                MatSelectSearchComponent,\n                MatSelectSearchClearDirective\n            ],\n            exports: [\n                MatSelectSearchComponent,\n                MatSelectSearchClearDirective\n            ]\n        })\n    ], NgxMatSelectSearchModule);\n    return NgxMatSelectSearchModule;\n}());\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MatSelectSearchComponent, MatSelectSearchVersion, NgxMatSelectSearchModule, MatSelectSearchClearDirective as ɵa };\n","var Point = (function () {\n    function Point(x, y) {\n        this.x = x || 0;\n        this.y = y || 0;\n    }\n    Point.prototype.copy = function (other) {\n        this.x = other.x;\n        this.y = other.y;\n        return this;\n    };\n    Point.prototype.clone = function () {\n        return new Point(this.x, this.y);\n    };\n    Point.prototype.set = function (x, y) {\n        this.x = x;\n        this.y = y;\n        return this;\n    };\n    Point.prototype.equal = function (other) {\n        return other.x === this.x && other.y === this.y;\n    };\n    Point.prototype.add = function (other) {\n        this.x += other.x;\n        this.y += other.y;\n        return this;\n    };\n    Point.prototype.scale = function (scalar) {\n        this.x *= scalar;\n        this.y *= scalar;\n    };\n    Point.prototype.scaleAndAdd = function (other, scalar) {\n        this.x += other.x * scalar;\n        this.y += other.y * scalar;\n    };\n    Point.prototype.sub = function (other) {\n        this.x -= other.x;\n        this.y -= other.y;\n        return this;\n    };\n    Point.prototype.dot = function (other) {\n        return this.x * other.x + this.y * other.y;\n    };\n    Point.prototype.len = function () {\n        return Math.sqrt(this.x * this.x + this.y * this.y);\n    };\n    Point.prototype.lenSquare = function () {\n        return this.x * this.x + this.y * this.y;\n    };\n    Point.prototype.normalize = function () {\n        var len = this.len();\n        this.x /= len;\n        this.y /= len;\n        return this;\n    };\n    Point.prototype.distance = function (other) {\n        var dx = this.x - other.x;\n        var dy = this.y - other.y;\n        return Math.sqrt(dx * dx + dy * dy);\n    };\n    Point.prototype.distanceSquare = function (other) {\n        var dx = this.x - other.x;\n        var dy = this.y - other.y;\n        return dx * dx + dy * dy;\n    };\n    Point.prototype.negate = function () {\n        this.x = -this.x;\n        this.y = -this.y;\n        return this;\n    };\n    Point.prototype.transform = function (m) {\n        if (!m) {\n            return;\n        }\n        var x = this.x;\n        var y = this.y;\n        this.x = m[0] * x + m[2] * y + m[4];\n        this.y = m[1] * x + m[3] * y + m[5];\n        return this;\n    };\n    Point.prototype.toArray = function (out) {\n        out[0] = this.x;\n        out[1] = this.y;\n        return out;\n    };\n    Point.prototype.fromArray = function (input) {\n        this.x = input[0];\n        this.y = input[1];\n    };\n    Point.set = function (p, x, y) {\n        p.x = x;\n        p.y = y;\n    };\n    Point.copy = function (p, p2) {\n        p.x = p2.x;\n        p.y = p2.y;\n    };\n    Point.len = function (p) {\n        return Math.sqrt(p.x * p.x + p.y * p.y);\n    };\n    Point.lenSquare = function (p) {\n        return p.x * p.x + p.y * p.y;\n    };\n    Point.dot = function (p0, p1) {\n        return p0.x * p1.x + p0.y * p1.y;\n    };\n    Point.add = function (out, p0, p1) {\n        out.x = p0.x + p1.x;\n        out.y = p0.y + p1.y;\n    };\n    Point.sub = function (out, p0, p1) {\n        out.x = p0.x - p1.x;\n        out.y = p0.y - p1.y;\n    };\n    Point.scale = function (out, p0, scalar) {\n        out.x = p0.x * scalar;\n        out.y = p0.y * scalar;\n    };\n    Point.scaleAndAdd = function (out, p0, p1, scalar) {\n        out.x = p0.x + p1.x * scalar;\n        out.y = p0.y + p1.y * scalar;\n    };\n    Point.lerp = function (out, p0, p1, t) {\n        var onet = 1 - t;\n        out.x = onet * p0.x + t * p1.x;\n        out.y = onet * p0.y + t * p1.y;\n    };\n    return Point;\n}());\nexport default Point;\n","import { __extends } from \"tslib\";\nimport Displayable from './Displayable';\nimport { getBoundingRect, DEFAULT_FONT } from '../contain/text';\nimport { DEFAULT_PATH_STYLE } from './Path';\nimport { createObject, defaults } from '../core/util';\nexport var DEFAULT_TSPAN_STYLE = defaults({\n    strokeFirst: true,\n    font: DEFAULT_FONT,\n    x: 0,\n    y: 0,\n    textAlign: 'left',\n    textBaseline: 'top',\n    miterLimit: 2\n}, DEFAULT_PATH_STYLE);\nvar TSpan = (function (_super) {\n    __extends(TSpan, _super);\n    function TSpan() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    TSpan.prototype.hasStroke = function () {\n        var style = this.style;\n        var stroke = style.stroke;\n        return stroke != null && stroke !== 'none' && style.lineWidth > 0;\n    };\n    TSpan.prototype.hasFill = function () {\n        var style = this.style;\n        var fill = style.fill;\n        return fill != null && fill !== 'none';\n    };\n    TSpan.prototype.createStyle = function (obj) {\n        return createObject(DEFAULT_TSPAN_STYLE, obj);\n    };\n    TSpan.prototype.setBoundingRect = function (rect) {\n        this._rect = rect;\n    };\n    TSpan.prototype.getBoundingRect = function () {\n        var style = this.style;\n        if (!this._rect) {\n            var text = style.text;\n            text != null ? (text += '') : (text = '');\n            var rect = getBoundingRect(text, style.font, style.textAlign, style.textBaseline);\n            rect.x += style.x || 0;\n            rect.y += style.y || 0;\n            if (this.hasStroke()) {\n                var w = style.lineWidth;\n                rect.x -= w / 2;\n                rect.y -= w / 2;\n                rect.width += w;\n                rect.height += w;\n            }\n            this._rect = rect;\n        }\n        return this._rect;\n    };\n    TSpan.initDefaultProps = (function () {\n        var tspanProto = TSpan.prototype;\n        tspanProto.dirtyRectTolerance = 10;\n    })();\n    return TSpan;\n}(Displayable));\nTSpan.prototype.type = 'tspan';\nexport default TSpan;\n","import { __extends } from \"tslib\";\nimport Gradient from './Gradient';\nvar RadialGradient = (function (_super) {\n    __extends(RadialGradient, _super);\n    function RadialGradient(x, y, r, colorStops, globalCoord) {\n        var _this = _super.call(this, colorStops) || this;\n        _this.x = x == null ? 0.5 : x;\n        _this.y = y == null ? 0.5 : y;\n        _this.r = r == null ? 0.5 : r;\n        _this.type = 'radial';\n        _this.global = globalCoord || false;\n        return _this;\n    }\n    return RadialGradient;\n}(Gradient));\nexport default RadialGradient;\n","/**\n * Extend a sub class from base class\n * @param {object|Function} makeDefaultOpt default option of this sub class, method of the sub can use this.xxx to access this option\n * @param {Function} [initialize] Initialize after the sub class is instantiated\n * @param {Object} [proto] Prototype methods/properties of the sub class\n * @memberOf clay.core.mixin.extend\n * @return {Function}\n */\nfunction derive(makeDefaultOpt, initialize/*optional*/, proto/*optional*/) {\n\n    if (typeof initialize == 'object') {\n        proto = initialize;\n        initialize = null;\n    }\n\n    var _super = this;\n\n    var propList;\n    if (!(makeDefaultOpt instanceof Function)) {\n        // Optimize the property iterate if it have been fixed\n        propList = [];\n        for (var propName in makeDefaultOpt) {\n            if (makeDefaultOpt.hasOwnProperty(propName)) {\n                propList.push(propName);\n            }\n        }\n    }\n\n    var sub = function(options) {\n\n        // call super constructor\n        _super.apply(this, arguments);\n\n        if (makeDefaultOpt instanceof Function) {\n            // Invoke makeDefaultOpt each time if it is a function, So we can make sure each\n            // property in the object will not be shared by mutiple instances\n            extend(this, makeDefaultOpt.call(this, options));\n        }\n        else {\n            extendWithPropList(this, makeDefaultOpt, propList);\n        }\n\n        if (this.constructor === sub) {\n            // Initialize function will be called in the order of inherit\n            var initializers = sub.__initializers__;\n            for (var i = 0; i < initializers.length; i++) {\n                initializers[i].apply(this, arguments);\n            }\n        }\n    };\n    // save super constructor\n    sub.__super__ = _super;\n    // Initialize function will be called after all the super constructor is called\n    if (!_super.__initializers__) {\n        sub.__initializers__ = [];\n    } else {\n        sub.__initializers__ = _super.__initializers__.slice();\n    }\n    if (initialize) {\n        sub.__initializers__.push(initialize);\n    }\n\n    var Ctor = function() {};\n    Ctor.prototype = _super.prototype;\n    sub.prototype = new Ctor();\n    sub.prototype.constructor = sub;\n    extend(sub.prototype, proto);\n\n    // extend the derive method as a static method;\n    sub.extend = _super.extend;\n\n    // DEPCRATED\n    sub.derive = _super.extend;\n\n    return sub;\n}\n\nfunction extend(target, source) {\n    if (!source) {\n        return;\n    }\n    for (var name in source) {\n        if (source.hasOwnProperty(name)) {\n            target[name] = source[name];\n        }\n    }\n}\n\nfunction extendWithPropList(target, source, propList) {\n    for (var i = 0; i < propList.length; i++) {\n        var propName = propList[i];\n        target[propName] = source[propName];\n    }\n}\n\n/**\n * @alias clay.core.mixin.extend\n * @mixin\n */\nexport default {\n\n    extend: derive,\n\n    // DEPCRATED\n    derive: derive\n};\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport * from './export/core';\nimport { use } from './extension';\nimport { init } from './core/echarts';\nimport { install as CanvasRenderer } from './renderer/installCanvasRenderer';\nimport { install as DatasetComponent } from './component/dataset/install'; // Default to have canvas renderer and dataset for compitatble reason.\n\nuse([CanvasRenderer, DatasetComponent]); // Compatitable with the following code\n// import echarts from 'echarts/lib/echarts'\n\nexport default {\n  init: function () {\n    if (process.env.NODE_ENV !== 'production') {\n      /* eslint-disable-next-line */\n      console.error(\"\\\"import echarts from 'echarts/lib/echarts'\\\" is not supported anymore. Use \\\"import * as echarts from 'echarts/lib/echarts'\\\" instead;\");\n    } // @ts-ignore\n\n\n    return init.apply(null, arguments);\n  }\n};","function Handler(action, context) {\n    this.action = action;\n    this.context = context;\n}\n/**\n * @mixin\n * @alias clay.core.mixin.notifier\n */\nvar notifier = {\n    /**\n     * Trigger event\n     * @param  {string} name\n     */\n    trigger: function(name) {\n        if (!this.hasOwnProperty('__handlers__')) {\n            return;\n        }\n        if (!this.__handlers__.hasOwnProperty(name)) {\n            return;\n        }\n\n        var hdls = this.__handlers__[name];\n        var l = hdls.length, i = -1, args = arguments;\n        // Optimize advise from backbone\n        switch (args.length) {\n            case 1:\n                while (++i < l) {\n                    hdls[i].action.call(hdls[i].context);\n                }\n                return;\n            case 2:\n                while (++i < l) {\n                    hdls[i].action.call(hdls[i].context, args[1]);\n                }\n                return;\n            case 3:\n                while (++i < l) {\n                    hdls[i].action.call(hdls[i].context, args[1], args[2]);\n                }\n                return;\n            case 4:\n                while (++i < l) {\n                    hdls[i].action.call(hdls[i].context, args[1], args[2], args[3]);\n                }\n                return;\n            case 5:\n                while (++i < l) {\n                    hdls[i].action.call(hdls[i].context, args[1], args[2], args[3], args[4]);\n                }\n                return;\n            default:\n                while (++i < l) {\n                    hdls[i].action.apply(hdls[i].context, Array.prototype.slice.call(args, 1));\n                }\n                return;\n        }\n    },\n    /**\n     * Register event handler\n     * @param  {string} name\n     * @param  {Function} action\n     * @param  {Object} [context]\n     * @chainable\n     */\n    on: function(name, action, context) {\n        if (!name || !action) {\n            return;\n        }\n        var handlers = this.__handlers__ || (this.__handlers__={});\n        if (!handlers[name]) {\n            handlers[name] = [];\n        }\n        else {\n            if (this.has(name, action)) {\n                return;\n            }\n        }\n        var handler = new Handler(action, context || this);\n        handlers[name].push(handler);\n\n        return this;\n    },\n\n    /**\n     * Register event, event will only be triggered once and then removed\n     * @param  {string} name\n     * @param  {Function} action\n     * @param  {Object} [context]\n     * @chainable\n     */\n    once: function(name, action, context) {\n        if (!name || !action) {\n            return;\n        }\n        var self = this;\n        function wrapper() {\n            self.off(name, wrapper);\n            action.apply(this, arguments);\n        }\n        return this.on(name, wrapper, context);\n    },\n\n    /**\n     * Alias of once('before' + name)\n     * @param  {string} name\n     * @param  {Function} action\n     * @param  {Object} [context]\n     * @chainable\n     */\n    before: function(name, action, context) {\n        if (!name || !action) {\n            return;\n        }\n        name = 'before' + name;\n        return this.on(name, action, context);\n    },\n\n    /**\n     * Alias of once('after' + name)\n     * @param  {string} name\n     * @param  {Function} action\n     * @param  {Object} [context]\n     * @chainable\n     */\n    after: function(name, action, context) {\n        if (!name || !action) {\n            return;\n        }\n        name = 'after' + name;\n        return this.on(name, action, context);\n    },\n\n    /**\n     * Alias of on('success')\n     * @param  {Function} action\n     * @param  {Object} [context]\n     * @chainable\n     */\n    success: function(action, context) {\n        return this.once('success', action, context);\n    },\n\n    /**\n     * Alias of on('error')\n     * @param  {Function} action\n     * @param  {Object} [context]\n     * @chainable\n     */\n    error: function(action, context) {\n        return this.once('error', action, context);\n    },\n\n    /**\n     * Remove event listener\n     * @param  {Function} action\n     * @param  {Object} [context]\n     * @chainable\n     */\n    off: function(name, action) {\n\n        var handlers = this.__handlers__ || (this.__handlers__={});\n\n        if (!action) {\n            handlers[name] = [];\n            return;\n        }\n        if (handlers[name]) {\n            var hdls = handlers[name];\n            var retains = [];\n            for (var i = 0; i < hdls.length; i++) {\n                if (action && hdls[i].action !== action) {\n                    retains.push(hdls[i]);\n                }\n            }\n            handlers[name] = retains;\n        }\n\n        return this;\n    },\n\n    /**\n     * If registered the event handler\n     * @param  {string}  name\n     * @param  {Function}  action\n     * @return {boolean}\n     */\n    has: function(name, action) {\n        var handlers = this.__handlers__;\n\n        if (! handlers ||\n            ! handlers[name]) {\n            return false;\n        }\n        var hdls = handlers[name];\n        for (var i = 0; i < hdls.length; i++) {\n            if (hdls[i].action === action) {\n                return true;\n            }\n        }\n    }\n};\n\nexport default notifier;","var guid = 0;\n\nvar ArrayProto = Array.prototype;\nvar nativeForEach = ArrayProto.forEach;\n\n/**\n * Util functions\n * @namespace clay.core.util\n */\nvar util = {\n\n    /**\n     * Generate GUID\n     * @return {number}\n     * @memberOf clay.core.util\n     */\n    genGUID: function () {\n        return ++guid;\n    },\n    /**\n     * Relative path to absolute path\n     * @param  {string} path\n     * @param  {string} basePath\n     * @return {string}\n     * @memberOf clay.core.util\n     */\n    relative2absolute: function (path, basePath) {\n        if (!basePath || path.match(/^\\//)) {\n            return path;\n        }\n        var pathParts = path.split('/');\n        var basePathParts = basePath.split('/');\n\n        var item = pathParts[0];\n        while(item === '.' || item === '..') {\n            if (item === '..') {\n                basePathParts.pop();\n            }\n            pathParts.shift();\n            item = pathParts[0];\n        }\n        return basePathParts.join('/') + '/' + pathParts.join('/');\n    },\n\n    /**\n     * Extend target with source\n     * @param  {Object} target\n     * @param  {Object} source\n     * @return {Object}\n     * @memberOf clay.core.util\n     */\n    extend: function (target, source) {\n        if (source) {\n            for (var name in source) {\n                if (source.hasOwnProperty(name)) {\n                    target[name] = source[name];\n                }\n            }\n        }\n        return target;\n    },\n\n    /**\n     * Extend properties to target if not exist.\n     * @param  {Object} target\n     * @param  {Object} source\n     * @return {Object}\n     * @memberOf clay.core.util\n     */\n    defaults: function (target, source) {\n        if (source) {\n            for (var propName in source) {\n                if (target[propName] === undefined) {\n                    target[propName] = source[propName];\n                }\n            }\n        }\n        return target;\n    },\n    /**\n     * Extend properties with a given property list to avoid for..in.. iteration.\n     * @param  {Object} target\n     * @param  {Object} source\n     * @param  {Array.<string>} propList\n     * @return {Object}\n     * @memberOf clay.core.util\n     */\n    extendWithPropList: function (target, source, propList) {\n        if (source) {\n            for (var i = 0; i < propList.length; i++) {\n                var propName = propList[i];\n                target[propName] = source[propName];\n            }\n        }\n        return target;\n    },\n    /**\n     * Extend properties to target if not exist. With a given property list avoid for..in.. iteration.\n     * @param  {Object} target\n     * @param  {Object} source\n     * @param  {Array.<string>} propList\n     * @return {Object}\n     * @memberOf clay.core.util\n     */\n    defaultsWithPropList: function (target, source, propList) {\n        if (source) {\n            for (var i = 0; i < propList.length; i++) {\n                var propName = propList[i];\n                if (target[propName] == null) {\n                    target[propName] = source[propName];\n                }\n            }\n        }\n        return target;\n    },\n    /**\n     * @param  {Object|Array} obj\n     * @param  {Function} iterator\n     * @param  {Object} [context]\n     * @memberOf clay.core.util\n     */\n    each: function (obj, iterator, context) {\n        if (!(obj && iterator)) {\n            return;\n        }\n        if (obj.forEach && obj.forEach === nativeForEach) {\n            obj.forEach(iterator, context);\n        }\n        else if (obj.length === + obj.length) {\n            for (var i = 0, len = obj.length; i < len; i++) {\n                iterator.call(context, obj[i], i, obj);\n            }\n        }\n        else {\n            for (var key in obj) {\n                if (obj.hasOwnProperty(key)) {\n                    iterator.call(context, obj[key], key, obj);\n                }\n            }\n        }\n    },\n\n    /**\n     * Is object\n     * @param  {}  obj\n     * @return {boolean}\n     * @memberOf clay.core.util\n     */\n    isObject: function (obj) {\n        return obj === Object(obj);\n    },\n\n    /**\n     * Is array ?\n     * @param  {}  obj\n     * @return {boolean}\n     * @memberOf clay.core.util\n     */\n    isArray: function (obj) {\n        return Array.isArray(obj);\n    },\n\n    /**\n     * Is array like, which have a length property\n     * @param  {}  obj\n     * @return {boolean}\n     * @memberOf clay.core.util\n     */\n    isArrayLike: function (obj) {\n        if (!obj) {\n            return false;\n        }\n        else {\n            return obj.length === + obj.length;\n        }\n    },\n\n    /**\n     * @param  {} obj\n     * @return {}\n     * @memberOf clay.core.util\n     */\n    clone: function (obj) {\n        if (!util.isObject(obj)) {\n            return obj;\n        }\n        else if (util.isArray(obj)) {\n            return obj.slice();\n        }\n        else if (util.isArrayLike(obj)) { // is typed array\n            var ret = new obj.constructor(obj.length);\n            for (var i = 0; i < obj.length; i++) {\n                ret[i] = obj[i];\n            }\n            return ret;\n        }\n        else {\n            return util.extend({}, obj);\n        }\n    }\n};\n\nexport default util;\n","import extendMixin from './mixin/extend';\nimport notifierMixin from './mixin/notifier';\nimport util from './util';\n\n/**\n * Base class of all objects\n * @constructor\n * @alias clay.core.Base\n * @mixes clay.core.mixin.notifier\n */\nvar Base = function () {\n    /**\n     * @type {number}\n     */\n    this.__uid__ = util.genGUID();\n};\n\nBase.__initializers__ = [\n    function (opts) {\n        util.extend(this, opts);\n    }\n];\n\nutil.extend(Base, extendMixin);\nutil.extend(Base.prototype, notifierMixin);\n\nexport default Base;\n","import request from './request';\n\nvar supportWebGL;\n\nvar vendor = {};\n\n/**\n * If support WebGL\n * @return {boolean}\n */\nvendor.supportWebGL = function () {\n    if (supportWebGL == null) {\n        try {\n            var canvas = document.createElement('canvas');\n            var gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');\n            if (!gl) {\n                throw new Error();\n            }\n        }\n        catch (e) {\n            supportWebGL = false;\n        }\n\n    }\n    return supportWebGL;\n};\n\nvendor.Int8Array = typeof Int8Array === 'undefined' ? Array : Int8Array;\n\nvendor.Uint8Array = typeof Uint8Array === 'undefined' ? Array : Uint8Array;\n\nvendor.Uint16Array = typeof Uint16Array === 'undefined' ? Array : Uint16Array;\n\nvendor.Uint32Array = typeof Uint32Array === 'undefined' ? Array : Uint32Array;\n\nvendor.Int16Array = typeof Int16Array === 'undefined' ? Array : Int16Array;\n\nvendor.Float32Array = typeof Float32Array === 'undefined' ? Array : Float32Array;\n\nvendor.Float64Array = typeof Float64Array === 'undefined' ? Array : Float64Array;\n\nvar g = {};\nif (typeof window !== 'undefined') {\n    g = window;\n}\nelse if (typeof global !== 'undefined') {\n    g = global;\n}\n\n\nvendor.requestAnimationFrame = g.requestAnimationFrame\n    || g.msRequestAnimationFrame\n    || g.mozRequestAnimationFrame\n    || g.webkitRequestAnimationFrame\n    || function (func){ setTimeout(func, 16); };\n\nvendor.createCanvas = function () {\n    return document.createElement('canvas');\n};\n\nvendor.createImage = function () {\n    return new g.Image();\n};\n\nvendor.request = {\n    get: request.get\n};\n\nvendor.addEventListener = function (dom, type, func, useCapture) {\n    dom.addEventListener(type, func, useCapture);\n};\n\nvendor.removeEventListener = function (dom, type, func) {\n    dom.removeEventListener(type, func);\n};\n\nexport default vendor;\n","var EXTENSION_LIST = [\n    'OES_texture_float',\n    'OES_texture_half_float',\n    'OES_texture_float_linear',\n    'OES_texture_half_float_linear',\n    'OES_standard_derivatives',\n    'OES_vertex_array_object',\n    'OES_element_index_uint',\n    'WEBGL_compressed_texture_s3tc',\n    'WEBGL_depth_texture',\n    'EXT_texture_filter_anisotropic',\n    'EXT_shader_texture_lod',\n    'WEBGL_draw_buffers',\n    'EXT_frag_depth',\n    'EXT_sRGB',\n    'ANGLE_instanced_arrays'\n];\n\nvar PARAMETER_NAMES = [\n    'MAX_TEXTURE_SIZE',\n    'MAX_CUBE_MAP_TEXTURE_SIZE'\n];\n\nfunction GLInfo(_gl) {\n    var extensions = {};\n    var parameters = {};\n\n    // Get webgl extension\n    for (var i = 0; i < EXTENSION_LIST.length; i++) {\n        var extName = EXTENSION_LIST[i];\n        createExtension(extName);\n    }\n    // Get parameters\n    for (var i = 0; i < PARAMETER_NAMES.length; i++) {\n        var name = PARAMETER_NAMES[i];\n        parameters[name] = _gl.getParameter(_gl[name]);\n    }\n\n    this.getExtension = function (name) {\n        if (!(name in extensions)) {\n            createExtension(name);\n        }\n        return extensions[name];\n    };\n\n    this.getParameter = function (name) {\n        return parameters[name];\n    };\n\n    function createExtension(name) {\n        if (_gl.getExtension) {\n            var ext = _gl.getExtension(name);\n            if (!ext) {\n                ext = _gl.getExtension('MOZ_' + name);\n            }\n            if (!ext) {\n                ext = _gl.getExtension('WEBKIT_' + name);\n            }\n            extensions[name] = ext;\n        }\n    }\n}\n\nexport default GLInfo;\n","function get(options) {\n\n    var xhr = new XMLHttpRequest();\n\n    xhr.open('get', options.url);\n    // With response type set browser can get and put binary data\n    // https://developer.mozilla.org/en-US/docs/DOM/XMLHttpRequest/Sending_and_Receiving_Binary_Data\n    // Default is text, and it can be set\n    // arraybuffer, blob, document, json, text\n    xhr.responseType = options.responseType || 'text';\n\n    if (options.onprogress) {\n        //https://developer.mozilla.org/en-US/docs/DOM/XMLHttpRequest/Using_XMLHttpRequest\n        xhr.onprogress = function(e) {\n            if (e.lengthComputable) {\n                var percent = e.loaded / e.total;\n                options.onprogress(percent, e.loaded, e.total);\n            }\n            else {\n                options.onprogress(null);\n            }\n        };\n    }\n    xhr.onload = function(e) {\n        if (xhr.status >= 400) {\n            options.onerror && options.onerror();\n        }\n        else {\n            options.onload && options.onload(xhr.response);\n        }\n    };\n    if (options.onerror) {\n        xhr.onerror = options.onerror;\n    }\n    xhr.send(null);\n}\n\nexport default {\n    get: get\n};\n","/**\n * Simple double linked list. Compared with array, it has O(1) remove operation.\n * @constructor\n * @alias clay.core.LinkedList\n */\nvar LinkedList = function () {\n\n    /**\n     * @type {clay.core.LinkedList.Entry}\n     */\n    this.head = null;\n\n    /**\n     * @type {clay.core.LinkedList.Entry}\n     */\n    this.tail = null;\n\n    this._length = 0;\n};\n\n/**\n * Insert a new value at the tail\n * @param  {} val\n * @return {clay.core.LinkedList.Entry}\n */\nLinkedList.prototype.insert = function (val) {\n    var entry = new LinkedList.Entry(val);\n    this.insertEntry(entry);\n    return entry;\n};\n\n/**\n * Insert a new value at idx\n * @param {number} idx\n * @param  {} val\n * @return {clay.core.LinkedList.Entry}\n */\nLinkedList.prototype.insertAt = function (idx, val) {\n    if (idx < 0) {\n        return;\n    }\n    var next = this.head;\n    var cursor = 0;\n    while (next && cursor != idx) {\n        next = next.next;\n        cursor++;\n    }\n    if (next) {\n        var entry = new LinkedList.Entry(val);\n        var prev = next.prev;\n        if (!prev) { //next is head\n            this.head = entry;\n        }\n        else {\n            prev.next = entry;\n            entry.prev = prev;\n        }\n        entry.next = next;\n        next.prev = entry;\n    }\n    else {\n        this.insert(val);\n    }\n};\n\nLinkedList.prototype.insertBeforeEntry = function (val, next) {\n    var entry = new LinkedList.Entry(val);\n    var prev = next.prev;\n    if (!prev) { //next is head\n        this.head = entry;\n    }\n    else {\n        prev.next = entry;\n        entry.prev = prev;\n    }\n    entry.next = next;\n    next.prev = entry;\n\n    this._length++;\n};\n\n/**\n * Insert an entry at the tail\n * @param  {clay.core.LinkedList.Entry} entry\n */\nLinkedList.prototype.insertEntry = function (entry) {\n    if (!this.head) {\n        this.head = this.tail = entry;\n    }\n    else {\n        this.tail.next = entry;\n        entry.prev = this.tail;\n        this.tail = entry;\n    }\n    this._length++;\n};\n\n/**\n * Remove entry.\n * @param  {clay.core.LinkedList.Entry} entry\n */\nLinkedList.prototype.remove = function (entry) {\n    var prev = entry.prev;\n    var next = entry.next;\n    if (prev) {\n        prev.next = next;\n    }\n    else {\n        // Is head\n        this.head = next;\n    }\n    if (next) {\n        next.prev = prev;\n    }\n    else {\n        // Is tail\n        this.tail = prev;\n    }\n    entry.next = entry.prev = null;\n    this._length--;\n};\n\n/**\n * Remove entry at index.\n * @param  {number} idx\n * @return {}\n */\nLinkedList.prototype.removeAt = function (idx) {\n    if (idx < 0) {\n        return;\n    }\n    var curr = this.head;\n    var cursor = 0;\n    while (curr && cursor != idx) {\n        curr = curr.next;\n        cursor++;\n    }\n    if (curr) {\n        this.remove(curr);\n        return curr.value;\n    }\n};\n/**\n * Get head value\n * @return {}\n */\nLinkedList.prototype.getHead = function () {\n    if (this.head) {\n        return this.head.value;\n    }\n};\n/**\n * Get tail value\n * @return {}\n */\nLinkedList.prototype.getTail = function () {\n    if (this.tail) {\n        return this.tail.value;\n    }\n};\n/**\n * Get value at idx\n * @param {number} idx\n * @return {}\n */\nLinkedList.prototype.getAt = function (idx) {\n    if (idx < 0) {\n        return;\n    }\n    var curr = this.head;\n    var cursor = 0;\n    while (curr && cursor != idx) {\n        curr = curr.next;\n        cursor++;\n    }\n    return curr.value;\n};\n\n/**\n * @param  {} value\n * @return {number}\n */\nLinkedList.prototype.indexOf = function (value) {\n    var curr = this.head;\n    var cursor = 0;\n    while (curr) {\n        if (curr.value === value) {\n            return cursor;\n        }\n        curr = curr.next;\n        cursor++;\n    }\n};\n\n/**\n * @return {number}\n */\nLinkedList.prototype.length = function () {\n    return this._length;\n};\n\n/**\n * If list is empty\n */\nLinkedList.prototype.isEmpty = function () {\n    return this._length === 0;\n};\n\n/**\n * @param  {Function} cb\n * @param  {} context\n */\nLinkedList.prototype.forEach = function (cb, context) {\n    var curr = this.head;\n    var idx = 0;\n    var haveContext = typeof(context) != 'undefined';\n    while (curr) {\n        if (haveContext) {\n            cb.call(context, curr.value, idx);\n        }\n        else {\n            cb(curr.value, idx);\n        }\n        curr = curr.next;\n        idx++;\n    }\n};\n\n/**\n * Clear the list\n */\nLinkedList.prototype.clear = function () {\n    this.tail = this.head = null;\n    this._length = 0;\n};\n\n/**\n * @constructor\n * @param {} val\n */\nLinkedList.Entry = function (val) {\n    /**\n     * @type {}\n     */\n    this.value = val;\n\n    /**\n     * @type {clay.core.LinkedList.Entry}\n     */\n    this.next = null;\n\n    /**\n     * @type {clay.core.LinkedList.Entry}\n     */\n    this.prev = null;\n};\n\nexport default LinkedList;\n","import LinkedList from './LinkedList';\n\n/**\n * LRU Cache\n * @constructor\n * @alias clay.core.LRU\n */\nvar LRU = function (maxSize) {\n\n    this._list = new LinkedList();\n\n    this._map = {};\n\n    this._maxSize = maxSize || 10;\n};\n\n/**\n * Set cache max size\n * @param {number} size\n */\nLRU.prototype.setMaxSize = function (size) {\n    this._maxSize = size;\n};\n\n/**\n * @param  {string} key\n * @param  {} value\n */\nLRU.prototype.put = function (key, value) {\n    if (!this._map.hasOwnProperty(key)) {\n        var len = this._list.length();\n        if (len >= this._maxSize && len > 0) {\n            // Remove the least recently used\n            var leastUsedEntry = this._list.head;\n            this._list.remove(leastUsedEntry);\n            delete this._map[leastUsedEntry.key];\n        }\n\n        var entry = this._list.insert(value);\n        entry.key = key;\n        this._map[key] = entry;\n    }\n};\n\n/**\n * @param  {string} key\n * @return {}\n */\nLRU.prototype.get = function (key) {\n    var entry = this._map[key];\n    if (this._map.hasOwnProperty(key)) {\n        // Put the latest used entry in the tail\n        if (entry !== this._list.tail) {\n            this._list.remove(entry);\n            this._list.insertEntry(entry);\n        }\n\n        return entry.value;\n    }\n};\n\n/**\n * @param {string} key\n */\nLRU.prototype.remove = function (key) {\n    var entry = this._map[key];\n    if (typeof(entry) !== 'undefined') {\n        delete this._map[key];\n        this._list.remove(entry);\n    }\n};\n\n/**\n * Clear the cache\n */\nLRU.prototype.clear = function () {\n    this._list.clear();\n    this._map = {};\n};\n\nexport default LRU;\n","/**\n * @namespace clay.core.color\n */\nimport LRU from '../core/LRU';\n\nvar colorUtil = {};\n\nvar kCSSColorTable = {\n    'transparent': [0,0,0,0], 'aliceblue': [240,248,255,1],\n    'antiquewhite': [250,235,215,1], 'aqua': [0,255,255,1],\n    'aquamarine': [127,255,212,1], 'azure': [240,255,255,1],\n    'beige': [245,245,220,1], 'bisque': [255,228,196,1],\n    'black': [0,0,0,1], 'blanchedalmond': [255,235,205,1],\n    'blue': [0,0,255,1], 'blueviolet': [138,43,226,1],\n    'brown': [165,42,42,1], 'burlywood': [222,184,135,1],\n    'cadetblue': [95,158,160,1], 'chartreuse': [127,255,0,1],\n    'chocolate': [210,105,30,1], 'coral': [255,127,80,1],\n    'cornflowerblue': [100,149,237,1], 'cornsilk': [255,248,220,1],\n    'crimson': [220,20,60,1], 'cyan': [0,255,255,1],\n    'darkblue': [0,0,139,1], 'darkcyan': [0,139,139,1],\n    'darkgoldenrod': [184,134,11,1], 'darkgray': [169,169,169,1],\n    'darkgreen': [0,100,0,1], 'darkgrey': [169,169,169,1],\n    'darkkhaki': [189,183,107,1], 'darkmagenta': [139,0,139,1],\n    'darkolivegreen': [85,107,47,1], 'darkorange': [255,140,0,1],\n    'darkorchid': [153,50,204,1], 'darkred': [139,0,0,1],\n    'darksalmon': [233,150,122,1], 'darkseagreen': [143,188,143,1],\n    'darkslateblue': [72,61,139,1], 'darkslategray': [47,79,79,1],\n    'darkslategrey': [47,79,79,1], 'darkturquoise': [0,206,209,1],\n    'darkviolet': [148,0,211,1], 'deeppink': [255,20,147,1],\n    'deepskyblue': [0,191,255,1], 'dimgray': [105,105,105,1],\n    'dimgrey': [105,105,105,1], 'dodgerblue': [30,144,255,1],\n    'firebrick': [178,34,34,1], 'floralwhite': [255,250,240,1],\n    'forestgreen': [34,139,34,1], 'fuchsia': [255,0,255,1],\n    'gainsboro': [220,220,220,1], 'ghostwhite': [248,248,255,1],\n    'gold': [255,215,0,1], 'goldenrod': [218,165,32,1],\n    'gray': [128,128,128,1], 'green': [0,128,0,1],\n    'greenyellow': [173,255,47,1], 'grey': [128,128,128,1],\n    'honeydew': [240,255,240,1], 'hotpink': [255,105,180,1],\n    'indianred': [205,92,92,1], 'indigo': [75,0,130,1],\n    'ivory': [255,255,240,1], 'khaki': [240,230,140,1],\n    'lavender': [230,230,250,1], 'lavenderblush': [255,240,245,1],\n    'lawngreen': [124,252,0,1], 'lemonchiffon': [255,250,205,1],\n    'lightblue': [173,216,230,1], 'lightcoral': [240,128,128,1],\n    'lightcyan': [224,255,255,1], 'lightgoldenrodyellow': [250,250,210,1],\n    'lightgray': [211,211,211,1], 'lightgreen': [144,238,144,1],\n    'lightgrey': [211,211,211,1], 'lightpink': [255,182,193,1],\n    'lightsalmon': [255,160,122,1], 'lightseagreen': [32,178,170,1],\n    'lightskyblue': [135,206,250,1], 'lightslategray': [119,136,153,1],\n    'lightslategrey': [119,136,153,1], 'lightsteelblue': [176,196,222,1],\n    'lightyellow': [255,255,224,1], 'lime': [0,255,0,1],\n    'limegreen': [50,205,50,1], 'linen': [250,240,230,1],\n    'magenta': [255,0,255,1], 'maroon': [128,0,0,1],\n    'mediumaquamarine': [102,205,170,1], 'mediumblue': [0,0,205,1],\n    'mediumorchid': [186,85,211,1], 'mediumpurple': [147,112,219,1],\n    'mediumseagreen': [60,179,113,1], 'mediumslateblue': [123,104,238,1],\n    'mediumspringgreen': [0,250,154,1], 'mediumturquoise': [72,209,204,1],\n    'mediumvioletred': [199,21,133,1], 'midnightblue': [25,25,112,1],\n    'mintcream': [245,255,250,1], 'mistyrose': [255,228,225,1],\n    'moccasin': [255,228,181,1], 'navajowhite': [255,222,173,1],\n    'navy': [0,0,128,1], 'oldlace': [253,245,230,1],\n    'olive': [128,128,0,1], 'olivedrab': [107,142,35,1],\n    'orange': [255,165,0,1], 'orangered': [255,69,0,1],\n    'orchid': [218,112,214,1], 'palegoldenrod': [238,232,170,1],\n    'palegreen': [152,251,152,1], 'paleturquoise': [175,238,238,1],\n    'palevioletred': [219,112,147,1], 'papayawhip': [255,239,213,1],\n    'peachpuff': [255,218,185,1], 'peru': [205,133,63,1],\n    'pink': [255,192,203,1], 'plum': [221,160,221,1],\n    'powderblue': [176,224,230,1], 'purple': [128,0,128,1],\n    'red': [255,0,0,1], 'rosybrown': [188,143,143,1],\n    'royalblue': [65,105,225,1], 'saddlebrown': [139,69,19,1],\n    'salmon': [250,128,114,1], 'sandybrown': [244,164,96,1],\n    'seagreen': [46,139,87,1], 'seashell': [255,245,238,1],\n    'sienna': [160,82,45,1], 'silver': [192,192,192,1],\n    'skyblue': [135,206,235,1], 'slateblue': [106,90,205,1],\n    'slategray': [112,128,144,1], 'slategrey': [112,128,144,1],\n    'snow': [255,250,250,1], 'springgreen': [0,255,127,1],\n    'steelblue': [70,130,180,1], 'tan': [210,180,140,1],\n    'teal': [0,128,128,1], 'thistle': [216,191,216,1],\n    'tomato': [255,99,71,1], 'turquoise': [64,224,208,1],\n    'violet': [238,130,238,1], 'wheat': [245,222,179,1],\n    'white': [255,255,255,1], 'whitesmoke': [245,245,245,1],\n    'yellow': [255,255,0,1], 'yellowgreen': [154,205,50,1]\n};\n\nfunction clampCssByte(i) {  // Clamp to integer 0 .. 255.\n    i = Math.round(i);  // Seems to be what Chrome does (vs truncation).\n    return i < 0 ? 0 : i > 255 ? 255 : i;\n}\n\nfunction clampCssAngle(i) {  // Clamp to integer 0 .. 360.\n    i = Math.round(i);  // Seems to be what Chrome does (vs truncation).\n    return i < 0 ? 0 : i > 360 ? 360 : i;\n}\n\nfunction clampCssFloat(f) {  // Clamp to float 0.0 .. 1.0.\n    return f < 0 ? 0 : f > 1 ? 1 : f;\n}\n\nfunction parseCssInt(str) {  // int or percentage.\n    if (str.length && str.charAt(str.length - 1) === '%') {\n        return clampCssByte(parseFloat(str) / 100 * 255);\n    }\n    return clampCssByte(parseInt(str, 10));\n}\n\nfunction parseCssFloat(str) {  // float or percentage.\n    if (str.length && str.charAt(str.length - 1) === '%') {\n        return clampCssFloat(parseFloat(str) / 100);\n    }\n    return clampCssFloat(parseFloat(str));\n}\n\nfunction cssHueToRgb(m1, m2, h) {\n    if (h < 0) {\n        h += 1;\n    }\n    else if (h > 1) {\n        h -= 1;\n    }\n\n    if (h * 6 < 1) {\n        return m1 + (m2 - m1) * h * 6;\n    }\n    if (h * 2 < 1) {\n        return m2;\n    }\n    if (h * 3 < 2) {\n        return m1 + (m2 - m1) * (2/3 - h) * 6;\n    }\n    return m1;\n}\n\nfunction lerpNumber(a, b, p) {\n    return a + (b - a) * p;\n}\n\nfunction setRgba(out, r, g, b, a) {\n    out[0] = r; out[1] = g; out[2] = b; out[3] = a;\n    return out;\n}\nfunction copyRgba(out, a) {\n    out[0] = a[0]; out[1] = a[1]; out[2] = a[2]; out[3] = a[3];\n    return out;\n}\n\nvar colorCache = new LRU(20);\nvar lastRemovedArr = null;\n\nfunction putToCache(colorStr, rgbaArr) {\n    // Reuse removed array\n    if (lastRemovedArr) {\n        copyRgba(lastRemovedArr, rgbaArr);\n    }\n    lastRemovedArr = colorCache.put(colorStr, lastRemovedArr || (rgbaArr.slice()));\n}\n\n/**\n * @name clay.core.color.parse\n * @param {string} colorStr\n * @param {Array.<number>} out\n * @return {Array.<number>}\n */\ncolorUtil.parse = function (colorStr, rgbaArr) {\n    if (!colorStr) {\n        return;\n    }\n    rgbaArr = rgbaArr || [];\n\n    var cached = colorCache.get(colorStr);\n    if (cached) {\n        return copyRgba(rgbaArr, cached);\n    }\n\n    // colorStr may be not string\n    colorStr = colorStr + '';\n    // Remove all whitespace, not compliant, but should just be more accepting.\n    var str = colorStr.replace(/ /g, '').toLowerCase();\n\n    // Color keywords (and transparent) lookup.\n    if (str in kCSSColorTable) {\n        copyRgba(rgbaArr, kCSSColorTable[str]);\n        putToCache(colorStr, rgbaArr);\n        return rgbaArr;\n    }\n\n    // #abc and #abc123 syntax.\n    if (str.charAt(0) === '#') {\n        if (str.length === 4) {\n            var iv = parseInt(str.substr(1), 16);  // TODO(deanm): Stricter parsing.\n            if (!(iv >= 0 && iv <= 0xfff)) {\n                setRgba(rgbaArr, 0, 0, 0, 1);\n                return;  // Covers NaN.\n            }\n            setRgba(rgbaArr,\n                ((iv & 0xf00) >> 4) | ((iv & 0xf00) >> 8),\n                (iv & 0xf0) | ((iv & 0xf0) >> 4),\n                (iv & 0xf) | ((iv & 0xf) << 4),\n                1\n            );\n            putToCache(colorStr, rgbaArr);\n            return rgbaArr;\n        }\n        else if (str.length === 7) {\n            var iv = parseInt(str.substr(1), 16);  // TODO(deanm): Stricter parsing.\n            if (!(iv >= 0 && iv <= 0xffffff)) {\n                setRgba(rgbaArr, 0, 0, 0, 1);\n                return;  // Covers NaN.\n            }\n            setRgba(rgbaArr,\n                (iv & 0xff0000) >> 16,\n                (iv & 0xff00) >> 8,\n                iv & 0xff,\n                1\n            );\n            putToCache(colorStr, rgbaArr);\n            return rgbaArr;\n        }\n\n        return;\n    }\n    var op = str.indexOf('('), ep = str.indexOf(')');\n    if (op !== -1 && ep + 1 === str.length) {\n        var fname = str.substr(0, op);\n        var params = str.substr(op + 1, ep - (op + 1)).split(',');\n        var alpha = 1;  // To allow case fallthrough.\n        switch (fname) {\n            case 'rgba':\n                if (params.length !== 4) {\n                    setRgba(rgbaArr, 0, 0, 0, 1);\n                    return;\n                }\n                alpha = parseCssFloat(params.pop()); // jshint ignore:line\n            // Fall through.\n            case 'rgb':\n                if (params.length !== 3) {\n                    setRgba(rgbaArr, 0, 0, 0, 1);\n                    return;\n                }\n                setRgba(rgbaArr,\n                    parseCssInt(params[0]),\n                    parseCssInt(params[1]),\n                    parseCssInt(params[2]),\n                    alpha\n                );\n                putToCache(colorStr, rgbaArr);\n                return rgbaArr;\n            case 'hsla':\n                if (params.length !== 4) {\n                    setRgba(rgbaArr, 0, 0, 0, 1);\n                    return;\n                }\n                params[3] = parseCssFloat(params[3]);\n                hsla2rgba(params, rgbaArr);\n                putToCache(colorStr, rgbaArr);\n                return rgbaArr;\n            case 'hsl':\n                if (params.length !== 3) {\n                    setRgba(rgbaArr, 0, 0, 0, 1);\n                    return;\n                }\n                hsla2rgba(params, rgbaArr);\n                putToCache(colorStr, rgbaArr);\n                return rgbaArr;\n            default:\n                return;\n        }\n    }\n\n    setRgba(rgbaArr, 0, 0, 0, 1);\n    return;\n};\n\ncolorUtil.parseToFloat = function (colorStr, rgbaArr) {\n    rgbaArr = colorUtil.parse(colorStr, rgbaArr);\n    if (!rgbaArr) {\n        return;\n    }\n    rgbaArr[0] /= 255;\n    rgbaArr[1] /= 255;\n    rgbaArr[2] /= 255;\n    return rgbaArr;\n}\n\n/**\n * @name clay.core.color.hsla2rgba\n * @param {Array.<number>} hsla\n * @param {Array.<number>} rgba\n * @return {Array.<number>} rgba\n */\nfunction hsla2rgba(hsla, rgba) {\n    var h = (((parseFloat(hsla[0]) % 360) + 360) % 360) / 360;  // 0 .. 1\n    // NOTE(deanm): According to the CSS spec s/l should only be\n    // percentages, but we don't bother and let float or percentage.\n    var s = parseCssFloat(hsla[1]);\n    var l = parseCssFloat(hsla[2]);\n    var m2 = l <= 0.5 ? l * (s + 1) : l + s - l * s;\n    var m1 = l * 2 - m2;\n\n    rgba = rgba || [];\n    setRgba(rgba,\n        clampCssByte(cssHueToRgb(m1, m2, h + 1 / 3) * 255),\n        clampCssByte(cssHueToRgb(m1, m2, h) * 255),\n        clampCssByte(cssHueToRgb(m1, m2, h - 1 / 3) * 255),\n        1\n    );\n\n    if (hsla.length === 4) {\n        rgba[3] = hsla[3];\n    }\n\n    return rgba;\n}\n\n/**\n * @name clay.core.color.rgba2hsla\n * @param {Array.<number>} rgba\n * @return {Array.<number>} hsla\n */\nfunction rgba2hsla(rgba) {\n    if (!rgba) {\n        return;\n    }\n\n    // RGB from 0 to 255\n    var R = rgba[0] / 255;\n    var G = rgba[1] / 255;\n    var B = rgba[2] / 255;\n\n    var vMin = Math.min(R, G, B); // Min. value of RGB\n    var vMax = Math.max(R, G, B); // Max. value of RGB\n    var delta = vMax - vMin; // Delta RGB value\n\n    var L = (vMax + vMin) / 2;\n    var H;\n    var S;\n    // HSL results from 0 to 1\n    if (delta === 0) {\n        H = 0;\n        S = 0;\n    }\n    else {\n        if (L < 0.5) {\n            S = delta / (vMax + vMin);\n        }\n        else {\n            S = delta / (2 - vMax - vMin);\n        }\n\n        var deltaR = (((vMax - R) / 6) + (delta / 2)) / delta;\n        var deltaG = (((vMax - G) / 6) + (delta / 2)) / delta;\n        var deltaB = (((vMax - B) / 6) + (delta / 2)) / delta;\n\n        if (R === vMax) {\n            H = deltaB - deltaG;\n        }\n        else if (G === vMax) {\n            H = (1 / 3) + deltaR - deltaB;\n        }\n        else if (B === vMax) {\n            H = (2 / 3) + deltaG - deltaR;\n        }\n\n        if (H < 0) {\n            H += 1;\n        }\n\n        if (H > 1) {\n            H -= 1;\n        }\n    }\n\n    var hsla = [H * 360, S, L];\n\n    if (rgba[3] != null) {\n        hsla.push(rgba[3]);\n    }\n\n    return hsla;\n}\n\n/**\n * @name clay.core.color.lift\n * @param {string} color\n * @param {number} level\n * @return {string}\n */\ncolorUtil.lift = function (color, level) {\n    var colorArr = colorUtil.parse(color);\n    if (colorArr) {\n        for (var i = 0; i < 3; i++) {\n            if (level < 0) {\n                colorArr[i] = colorArr[i] * (1 - level) | 0;\n            }\n            else {\n                colorArr[i] = ((255 - colorArr[i]) * level + colorArr[i]) | 0;\n            }\n        }\n        return colorUtil.stringify(colorArr, colorArr.length === 4 ? 'rgba' : 'rgb');\n    }\n}\n\n/**\n * @name clay.core.color.toHex\n * @param {string} color\n * @return {string}\n */\ncolorUtil.toHex = function (color) {\n    var colorArr = colorUtil.parse(color);\n    if (colorArr) {\n        return ((1 << 24) + (colorArr[0] << 16) + (colorArr[1] << 8) + (+colorArr[2])).toString(16).slice(1);\n    }\n};\n\n/**\n * Map value to color. Faster than lerp methods because color is represented by rgba array.\n * @name clay.core.color\n * @param {number} normalizedValue A float between 0 and 1.\n * @param {Array.<Array.<number>>} colors List of rgba color array\n * @param {Array.<number>} [out] Mapped gba color array\n * @return {Array.<number>} will be null/undefined if input illegal.\n */\ncolorUtil.fastLerp = function (normalizedValue, colors, out) {\n    if (!(colors && colors.length)\n        || !(normalizedValue >= 0 && normalizedValue <= 1)\n    ) {\n        return;\n    }\n\n    out = out || [];\n\n    var value = normalizedValue * (colors.length - 1);\n    var leftIndex = Math.floor(value);\n    var rightIndex = Math.ceil(value);\n    var leftColor = colors[leftIndex];\n    var rightColor = colors[rightIndex];\n    var dv = value - leftIndex;\n    out[0] = clampCssByte(lerpNumber(leftColor[0], rightColor[0], dv));\n    out[1] = clampCssByte(lerpNumber(leftColor[1], rightColor[1], dv));\n    out[2] = clampCssByte(lerpNumber(leftColor[2], rightColor[2], dv));\n    out[3] = clampCssFloat(lerpNumber(leftColor[3], rightColor[3], dv));\n\n    return out;\n}\n\ncolorUtil.fastMapToColor = colorUtil.fastLerp;\n\n/**\n * @param {number} normalizedValue A float between 0 and 1.\n * @param {Array.<string>} colors Color list.\n * @param {boolean=} fullOutput Default false.\n * @return {(string|Object)} Result color. If fullOutput,\n *                           return {color: ..., leftIndex: ..., rightIndex: ..., value: ...},\n */\ncolorUtil.lerp = function (normalizedValue, colors, fullOutput) {\n    if (!(colors && colors.length)\n        || !(normalizedValue >= 0 && normalizedValue <= 1)\n    ) {\n        return;\n    }\n\n    var value = normalizedValue * (colors.length - 1);\n    var leftIndex = Math.floor(value);\n    var rightIndex = Math.ceil(value);\n    var leftColor = colorUtil.parse(colors[leftIndex]);\n    var rightColor = colorUtil.parse(colors[rightIndex]);\n    var dv = value - leftIndex;\n\n    var color = colorUtil.stringify(\n        [\n            clampCssByte(lerpNumber(leftColor[0], rightColor[0], dv)),\n            clampCssByte(lerpNumber(leftColor[1], rightColor[1], dv)),\n            clampCssByte(lerpNumber(leftColor[2], rightColor[2], dv)),\n            clampCssFloat(lerpNumber(leftColor[3], rightColor[3], dv))\n        ],\n        'rgba'\n    );\n\n    return fullOutput\n        ? {\n            color: color,\n            leftIndex: leftIndex,\n            rightIndex: rightIndex,\n            value: value\n        }\n        : color;\n}\n\n/**\n * @deprecated\n */\ncolorUtil.mapToColor = colorUtil.lerp;\n\n/**\n * @name clay.core.color\n * @param {string} color\n * @param {number=} h 0 ~ 360, ignore when null.\n * @param {number=} s 0 ~ 1, ignore when null.\n * @param {number=} l 0 ~ 1, ignore when null.\n * @return {string} Color string in rgba format.\n */\ncolorUtil.modifyHSL = function (color, h, s, l) {\n    color = colorUtil.parse(color);\n\n    if (color) {\n        color = rgba2hsla(color);\n        h != null && (color[0] = clampCssAngle(h));\n        s != null && (color[1] = parseCssFloat(s));\n        l != null && (color[2] = parseCssFloat(l));\n\n        return colorUtil.stringify(hsla2rgba(color), 'rgba');\n    }\n}\n\n/**\n * @param {string} color\n * @param {number=} alpha 0 ~ 1\n * @return {string} Color string in rgba format.\n */\ncolorUtil.modifyAlpha = function (color, alpha) {\n    color = colorUtil.parse(color);\n\n    if (color && alpha != null) {\n        color[3] = clampCssFloat(alpha);\n        return colorUtil.stringify(color, 'rgba');\n    }\n}\n\n/**\n * @param {Array.<number>} arrColor like [12,33,44,0.4]\n * @param {string} type 'rgba', 'hsva', ...\n * @return {string} Result color. (If input illegal, return undefined).\n */\ncolorUtil.stringify = function (arrColor, type) {\n    if (!arrColor || !arrColor.length) {\n        return;\n    }\n    var colorStr = arrColor[0] + ',' + arrColor[1] + ',' + arrColor[2];\n    if (type === 'rgba' || type === 'hsva' || type === 'hsla') {\n        colorStr += ',' + arrColor[3];\n    }\n    return type + '(' + colorStr + ')';\n};\n\n\n\nexport default colorUtil;","import Base from './core/Base';\nimport util from './core/util';\nimport colorUtil from './core/color';\nvar parseColor = colorUtil.parseToFloat;\n\nvar programKeyCache = {};\n\nfunction getDefineCode(defines) {\n    var defineKeys = Object.keys(defines);\n    defineKeys.sort();\n    var defineStr = [];\n    // Custom Defines\n    for (var i = 0; i < defineKeys.length; i++) {\n        var key = defineKeys[i];\n        var value = defines[key];\n        if (value === null) {\n            defineStr.push(key);\n        }\n        else{\n            defineStr.push(key + ' ' + value.toString());\n        }\n    }\n    return defineStr.join('\\n');\n}\n\nfunction getProgramKey(vertexDefines, fragmentDefines, enabledTextures) {\n    enabledTextures.sort();\n    var defineStr = [];\n    for (var i = 0; i < enabledTextures.length; i++) {\n        var symbol = enabledTextures[i];\n        defineStr.push(symbol);\n    }\n    var key = getDefineCode(vertexDefines) + '\\n'\n        + getDefineCode(fragmentDefines) + '\\n'\n        + defineStr.join('\\n');\n\n    if (programKeyCache[key]) {\n        return programKeyCache[key];\n    }\n\n    var id = util.genGUID();\n    programKeyCache[key] = id;\n    return id;\n}\n\n/**\n * Material defines the appearance of mesh surface, like `color`, `roughness`, `metalness`, etc.\n * It contains a {@link clay.Shader} and corresponding uniforms.\n *\n * Here is a basic example to create a standard material\n```js\nvar material = new clay.Material({\n    shader: new clay.Shader(\n        clay.Shader.source('clay.vertex'),\n        clay.Shader.source('clay.fragment')\n    )\n});\n```\n * @constructor clay.Material\n * @extends clay.core.Base\n */\nvar Material = Base.extend(function () {\n    return /** @lends clay.Material# */ {\n        /**\n         * @type {string}\n         */\n        name: '',\n\n        /**\n         * @type {Object}\n         */\n        // uniforms: null,\n\n        /**\n         * @type {clay.Shader}\n         */\n        // shader: null,\n\n        /**\n         * @type {boolean}\n         */\n        depthTest: true,\n\n        /**\n         * @type {boolean}\n         */\n        depthMask: true,\n\n        /**\n         * @type {boolean}\n         */\n        transparent: false,\n        /**\n         * Blend func is a callback function when the material\n         * have custom blending\n         * The gl context will be the only argument passed in tho the\n         * blend function\n         * Detail of blend function in WebGL:\n         * http://www.khronos.org/registry/gles/specs/2.0/es_full_spec_2.0.25.pdf\n         *\n         * Example :\n         * function(_gl) {\n         *  _gl.blendEquation(_gl.FUNC_ADD);\n         *  _gl.blendFunc(_gl.SRC_ALPHA, _gl.ONE_MINUS_SRC_ALPHA);\n         * }\n         */\n        blend: null,\n\n        /**\n         * If update texture status automatically.\n         */\n        autoUpdateTextureStatus: true,\n\n        uniforms: {},\n        vertexDefines: {},\n        fragmentDefines: {},\n        _textureStatus: {},\n\n        // shadowTransparentMap : null\n\n        // PENDING enable the uniform that only used in shader.\n        _enabledUniforms: null,\n    };\n}, function () {\n    if (!this.name) {\n        this.name = 'MATERIAL_' + this.__uid__;\n    }\n\n    if (this.shader) {\n        // Keep status, mainly preset uniforms, vertexDefines and fragmentDefines\n        this.attachShader(this.shader, true);\n    }\n},\n/** @lends clay.Material.prototype */\n{\n    precision: 'highp',\n\n    /**\n     * Set material uniform\n     * @example\n     *  mat.setUniform('color', [1, 1, 1, 1]);\n     * @param {string} symbol\n     * @param {number|array|clay.Texture|ArrayBufferView} value\n     */\n    setUniform: function (symbol, value) {\n        if (value === undefined) {\n            console.warn('Uniform value \"' + symbol + '\" is undefined');\n        }\n        var uniform = this.uniforms[symbol];\n        if (uniform) {\n\n            if (typeof value === 'string') {\n                // Try to parse as a color. Invalid color string will return null.\n                value = parseColor(value) || value;\n            }\n\n            uniform.value = value;\n\n            if (this.autoUpdateTextureStatus && uniform.type === 't') {\n                if (value) {\n                    this.enableTexture(symbol);\n                }\n                else {\n                    this.disableTexture(symbol);\n                }\n            }\n        }\n    },\n\n    /**\n     * @param {Object} obj\n     */\n    setUniforms: function(obj) {\n        for (var key in obj) {\n            var val = obj[key];\n            this.setUniform(key, val);\n        }\n    },\n\n    /**\n     * @param  {string}  symbol\n     * @return {boolean}\n     */\n    isUniformEnabled: function (symbol) {\n        return this._enabledUniforms.indexOf(symbol) >= 0;\n    },\n\n    getEnabledUniforms: function () {\n        return this._enabledUniforms;\n    },\n    getTextureUniforms: function () {\n        return this._textureUniforms;\n    },\n\n    /**\n     * Alias of setUniform and setUniforms\n     * @param {object|string} symbol\n     * @param {number|array|clay.Texture|ArrayBufferView} [value]\n     */\n    set: function (symbol, value) {\n        if (typeof(symbol) === 'object') {\n            for (var key in symbol) {\n                var val = symbol[key];\n                this.setUniform(key, val);\n            }\n        }\n        else {\n            this.setUniform(symbol, value);\n        }\n    },\n    /**\n     * Get uniform value\n     * @param  {string} symbol\n     * @return {number|array|clay.Texture|ArrayBufferView}\n     */\n    get: function (symbol) {\n        var uniform = this.uniforms[symbol];\n        if (uniform) {\n            return uniform.value;\n        }\n    },\n    /**\n     * Attach a shader instance\n     * @param  {clay.Shader} shader\n     * @param  {boolean} keepStatus If try to keep uniform and texture\n     */\n    attachShader: function(shader, keepStatus) {\n        var originalUniforms = this.uniforms;\n\n        // Ignore if uniform can use in shader.\n        this.uniforms = shader.createUniforms();\n        this.shader = shader;\n\n        var uniforms = this.uniforms;\n        this._enabledUniforms = Object.keys(uniforms);\n        // Make sure uniforms are set in same order to avoid texture slot wrong\n        this._enabledUniforms.sort();\n        this._textureUniforms = this._enabledUniforms.filter(function (uniformName) {\n            var type = this.uniforms[uniformName].type;\n            return type === 't' || type === 'tv';\n        }, this);\n\n        var originalVertexDefines = this.vertexDefines;\n        var originalFragmentDefines = this.fragmentDefines;\n\n        this.vertexDefines = util.clone(shader.vertexDefines);\n        this.fragmentDefines = util.clone(shader.fragmentDefines);\n\n        if (keepStatus) {\n            for (var symbol in originalUniforms) {\n                if (uniforms[symbol]) {\n                    uniforms[symbol].value = originalUniforms[symbol].value;\n                }\n            }\n\n            util.defaults(this.vertexDefines, originalVertexDefines);\n            util.defaults(this.fragmentDefines, originalFragmentDefines);\n        }\n\n        var textureStatus = {};\n        for (var key in shader.textures) {\n            textureStatus[key] = {\n                shaderType: shader.textures[key].shaderType,\n                type: shader.textures[key].type,\n                enabled: (keepStatus && this._textureStatus[key]) ? this._textureStatus[key].enabled : false\n            };\n        }\n\n        this._textureStatus = textureStatus;\n\n        this._programKey = '';\n    },\n\n    /**\n     * Clone a new material and keep uniforms, shader will not be cloned\n     * @return {clay.Material}\n     */\n    clone: function () {\n        var material = new this.constructor({\n            name: this.name,\n            shader: this.shader\n        });\n        for (var symbol in this.uniforms) {\n            material.uniforms[symbol].value = this.uniforms[symbol].value;\n        }\n        material.depthTest = this.depthTest;\n        material.depthMask = this.depthMask;\n        material.transparent = this.transparent;\n        material.blend = this.blend;\n\n        material.vertexDefines = util.clone(this.vertexDefines);\n        material.fragmentDefines = util.clone(this.fragmentDefines);\n        material.enableTexture(this.getEnabledTextures());\n        material.precision = this.precision;\n\n        return material;\n    },\n\n    /**\n     * Add a #define macro in shader code\n     * @param  {string} shaderType Can be vertex, fragment or both\n     * @param  {string} symbol\n     * @param  {number} [val]\n     */\n    define: function (shaderType, symbol, val) {\n        var vertexDefines = this.vertexDefines;\n        var fragmentDefines = this.fragmentDefines;\n        if (shaderType !== 'vertex' && shaderType !== 'fragment' && shaderType !== 'both'\n            && arguments.length < 3\n        ) {\n            // shaderType default to be 'both'\n            val = symbol;\n            symbol = shaderType;\n            shaderType = 'both';\n        }\n        val = val != null ? val : null;\n        if (shaderType === 'vertex' || shaderType === 'both') {\n            if (vertexDefines[symbol] !== val) {\n                vertexDefines[symbol] = val;\n                // Mark as dirty\n                this._programKey = '';\n            }\n        }\n        if (shaderType === 'fragment' || shaderType === 'both') {\n            if (fragmentDefines[symbol] !== val) {\n                fragmentDefines[symbol] = val;\n                if (shaderType !== 'both') {\n                    this._programKey = '';\n                }\n            }\n        }\n    },\n\n    /**\n     * Remove a #define macro in shader code\n     * @param  {string} shaderType Can be vertex, fragment or both\n     * @param  {string} symbol\n     */\n    undefine: function (shaderType, symbol) {\n        if (shaderType !== 'vertex' && shaderType !== 'fragment' && shaderType !== 'both'\n            && arguments.length < 2\n        ) {\n            // shaderType default to be 'both'\n            symbol = shaderType;\n            shaderType = 'both';\n        }\n        if (shaderType === 'vertex' || shaderType === 'both') {\n            if (this.isDefined('vertex', symbol)) {\n                delete this.vertexDefines[symbol];\n                // Mark as dirty\n                this._programKey = '';\n            }\n        }\n        if (shaderType === 'fragment' || shaderType === 'both') {\n            if (this.isDefined('fragment', symbol)) {\n                delete this.fragmentDefines[symbol];\n                if (shaderType !== 'both') {\n                    this._programKey = '';\n                }\n            }\n        }\n    },\n\n    /**\n     * If macro is defined in shader.\n     * @param  {string} shaderType Can be vertex, fragment or both\n     * @param  {string} symbol\n     */\n    isDefined: function (shaderType, symbol) {\n        // PENDING hasOwnProperty ?\n        switch (shaderType) {\n            case 'vertex':\n                return this.vertexDefines[symbol] !== undefined;\n            case 'fragment':\n                return this.fragmentDefines[symbol] !== undefined;\n        }\n    },\n    /**\n     * Get macro value defined in shader.\n     * @param  {string} shaderType Can be vertex, fragment or both\n     * @param  {string} symbol\n     */\n    getDefine: function (shaderType, symbol) {\n        switch(shaderType) {\n            case 'vertex':\n                return this.vertexDefines[symbol];\n            case 'fragment':\n                return this.fragmentDefines[symbol];\n        }\n    },\n    /**\n     * Enable a texture, actually it will add a #define macro in the shader code\n     * For example, if texture symbol is diffuseMap, it will add a line `#define DIFFUSEMAP_ENABLED` in the shader code\n     * @param  {string} symbol\n     */\n    enableTexture: function (symbol) {\n        if (Array.isArray(symbol)) {\n            for (var i = 0; i < symbol.length; i++) {\n                this.enableTexture(symbol[i]);\n            }\n            return;\n        }\n\n        var status = this._textureStatus[symbol];\n        if (status) {\n            var isEnabled = status.enabled;\n            if (!isEnabled) {\n                status.enabled = true;\n                this._programKey = '';\n            }\n        }\n    },\n    /**\n     * Enable all textures used in the shader\n     */\n    enableTexturesAll: function () {\n        var textureStatus = this._textureStatus;\n        for (var symbol in textureStatus) {\n            textureStatus[symbol].enabled = true;\n        }\n\n        this._programKey = '';\n    },\n    /**\n     * Disable a texture, it remove a #define macro in the shader\n     * @param  {string} symbol\n     */\n    disableTexture: function (symbol) {\n        if (Array.isArray(symbol)) {\n            for (var i = 0; i < symbol.length; i++) {\n                this.disableTexture(symbol[i]);\n            }\n            return;\n        }\n\n        var status = this._textureStatus[symbol];\n        if (status) {\n            var isDisabled = ! status.enabled;\n            if (!isDisabled) {\n                status.enabled = false;\n                this._programKey = '';\n            }\n        }\n    },\n    /**\n     * Disable all textures used in the shader\n     */\n    disableTexturesAll: function () {\n        var textureStatus = this._textureStatus;\n        for (var symbol in textureStatus) {\n            textureStatus[symbol].enabled = false;\n        }\n\n        this._programKey = '';\n    },\n    /**\n     * If texture of given type is enabled.\n     * @param  {string}  symbol\n     * @return {boolean}\n     */\n    isTextureEnabled: function (symbol) {\n        var textureStatus = this._textureStatus;\n        return !!textureStatus[symbol]\n            && textureStatus[symbol].enabled;\n    },\n\n    /**\n     * Get all enabled textures\n     * @return {string[]}\n     */\n    getEnabledTextures: function () {\n        var enabledTextures = [];\n        var textureStatus = this._textureStatus;\n        for (var symbol in textureStatus) {\n            if (textureStatus[symbol].enabled) {\n                enabledTextures.push(symbol);\n            }\n        }\n        return enabledTextures;\n    },\n\n    /**\n     * Mark defines are updated.\n     */\n    dirtyDefines: function () {\n        this._programKey = '';\n    },\n\n    getProgramKey: function () {\n        if (!this._programKey) {\n            this._programKey = getProgramKey(\n                this.vertexDefines, this.fragmentDefines, this.getEnabledTextures()\n            );\n        }\n        return this._programKey;\n    }\n});\n\nexport default Material;\n","\n/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.\n\nRedistribution and use in source and binary forms, with or without modification,\nare permitted provided that the following conditions are met:\n\n  * Redistributions of source code must retain the above copyright notice, this\n    list of conditions and the following disclaimer.\n  * Redistributions in binary form must reproduce the above copyright notice,\n    this list of conditions and the following disclaimer in the documentation\n    and/or other materials provided with the distribution.\n\nTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\nANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\nWARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\nDISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR\nANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\nLOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\nANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\nSOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */\n\nimport { GLMAT_ARRAY_TYPE } from './common';\n\n/**\n * @class 2 Dimensional Vector\n * @name vec2\n */\n\nvar vec2 = {};\n\n/**\n * Creates a new, empty vec2\n *\n * @returns {vec2} a new 2D vector\n */\nvec2.create = function() {\n    var out = new GLMAT_ARRAY_TYPE(2);\n    out[0] = 0;\n    out[1] = 0;\n    return out;\n};\n\n/**\n * Creates a new vec2 initialized with values from an existing vector\n *\n * @param {vec2} a vector to clone\n * @returns {vec2} a new 2D vector\n */\nvec2.clone = function(a) {\n    var out = new GLMAT_ARRAY_TYPE(2);\n    out[0] = a[0];\n    out[1] = a[1];\n    return out;\n};\n\n/**\n * Creates a new vec2 initialized with the given values\n *\n * @param {Number} x X component\n * @param {Number} y Y component\n * @returns {vec2} a new 2D vector\n */\nvec2.fromValues = function(x, y) {\n    var out = new GLMAT_ARRAY_TYPE(2);\n    out[0] = x;\n    out[1] = y;\n    return out;\n};\n\n/**\n * Copy the values from one vec2 to another\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the source vector\n * @returns {vec2} out\n */\nvec2.copy = function(out, a) {\n    out[0] = a[0];\n    out[1] = a[1];\n    return out;\n};\n\n/**\n * Set the components of a vec2 to the given values\n *\n * @param {vec2} out the receiving vector\n * @param {Number} x X component\n * @param {Number} y Y component\n * @returns {vec2} out\n */\nvec2.set = function(out, x, y) {\n    out[0] = x;\n    out[1] = y;\n    return out;\n};\n\n/**\n * Adds two vec2's\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the first operand\n * @param {vec2} b the second operand\n * @returns {vec2} out\n */\nvec2.add = function(out, a, b) {\n    out[0] = a[0] + b[0];\n    out[1] = a[1] + b[1];\n    return out;\n};\n\n/**\n * Subtracts vector b from vector a\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the first operand\n * @param {vec2} b the second operand\n * @returns {vec2} out\n */\nvec2.subtract = function(out, a, b) {\n    out[0] = a[0] - b[0];\n    out[1] = a[1] - b[1];\n    return out;\n};\n\n/**\n * Alias for {@link vec2.subtract}\n * @function\n */\nvec2.sub = vec2.subtract;\n\n/**\n * Multiplies two vec2's\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the first operand\n * @param {vec2} b the second operand\n * @returns {vec2} out\n */\nvec2.multiply = function(out, a, b) {\n    out[0] = a[0] * b[0];\n    out[1] = a[1] * b[1];\n    return out;\n};\n\n/**\n * Alias for {@link vec2.multiply}\n * @function\n */\nvec2.mul = vec2.multiply;\n\n/**\n * Divides two vec2's\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the first operand\n * @param {vec2} b the second operand\n * @returns {vec2} out\n */\nvec2.divide = function(out, a, b) {\n    out[0] = a[0] / b[0];\n    out[1] = a[1] / b[1];\n    return out;\n};\n\n/**\n * Alias for {@link vec2.divide}\n * @function\n */\nvec2.div = vec2.divide;\n\n/**\n * Returns the minimum of two vec2's\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the first operand\n * @param {vec2} b the second operand\n * @returns {vec2} out\n */\nvec2.min = function(out, a, b) {\n    out[0] = Math.min(a[0], b[0]);\n    out[1] = Math.min(a[1], b[1]);\n    return out;\n};\n\n/**\n * Returns the maximum of two vec2's\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the first operand\n * @param {vec2} b the second operand\n * @returns {vec2} out\n */\nvec2.max = function(out, a, b) {\n    out[0] = Math.max(a[0], b[0]);\n    out[1] = Math.max(a[1], b[1]);\n    return out;\n};\n\n/**\n * Scales a vec2 by a scalar number\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the vector to scale\n * @param {Number} b amount to scale the vector by\n * @returns {vec2} out\n */\nvec2.scale = function(out, a, b) {\n    out[0] = a[0] * b;\n    out[1] = a[1] * b;\n    return out;\n};\n\n/**\n * Adds two vec2's after scaling the second operand by a scalar value\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the first operand\n * @param {vec2} b the second operand\n * @param {Number} scale the amount to scale b by before adding\n * @returns {vec2} out\n */\nvec2.scaleAndAdd = function(out, a, b, scale) {\n    out[0] = a[0] + (b[0] * scale);\n    out[1] = a[1] + (b[1] * scale);\n    return out;\n};\n\n/**\n * Calculates the euclidian distance between two vec2's\n *\n * @param {vec2} a the first operand\n * @param {vec2} b the second operand\n * @returns {Number} distance between a and b\n */\nvec2.distance = function(a, b) {\n    var x = b[0] - a[0],\n        y = b[1] - a[1];\n    return Math.sqrt(x*x + y*y);\n};\n\n/**\n * Alias for {@link vec2.distance}\n * @function\n */\nvec2.dist = vec2.distance;\n\n/**\n * Calculates the squared euclidian distance between two vec2's\n *\n * @param {vec2} a the first operand\n * @param {vec2} b the second operand\n * @returns {Number} squared distance between a and b\n */\nvec2.squaredDistance = function(a, b) {\n    var x = b[0] - a[0],\n        y = b[1] - a[1];\n    return x*x + y*y;\n};\n\n/**\n * Alias for {@link vec2.squaredDistance}\n * @function\n */\nvec2.sqrDist = vec2.squaredDistance;\n\n/**\n * Calculates the length of a vec2\n *\n * @param {vec2} a vector to calculate length of\n * @returns {Number} length of a\n */\nvec2.length = function (a) {\n    var x = a[0],\n        y = a[1];\n    return Math.sqrt(x*x + y*y);\n};\n\n/**\n * Alias for {@link vec2.length}\n * @function\n */\nvec2.len = vec2.length;\n\n/**\n * Calculates the squared length of a vec2\n *\n * @param {vec2} a vector to calculate squared length of\n * @returns {Number} squared length of a\n */\nvec2.squaredLength = function (a) {\n    var x = a[0],\n        y = a[1];\n    return x*x + y*y;\n};\n\n/**\n * Alias for {@link vec2.squaredLength}\n * @function\n */\nvec2.sqrLen = vec2.squaredLength;\n\n/**\n * Negates the components of a vec2\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a vector to negate\n * @returns {vec2} out\n */\nvec2.negate = function(out, a) {\n    out[0] = -a[0];\n    out[1] = -a[1];\n    return out;\n};\n\n/**\n * Returns the inverse of the components of a vec2\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a vector to invert\n * @returns {vec2} out\n */\nvec2.inverse = function(out, a) {\n  out[0] = 1.0 / a[0];\n  out[1] = 1.0 / a[1];\n  return out;\n};\n\n/**\n * Normalize a vec2\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a vector to normalize\n * @returns {vec2} out\n */\nvec2.normalize = function(out, a) {\n    var x = a[0],\n        y = a[1];\n    var len = x*x + y*y;\n    if (len > 0) {\n        //TODO: evaluate use of glm_invsqrt here?\n        len = 1 / Math.sqrt(len);\n        out[0] = a[0] * len;\n        out[1] = a[1] * len;\n    }\n    return out;\n};\n\n/**\n * Calculates the dot product of two vec2's\n *\n * @param {vec2} a the first operand\n * @param {vec2} b the second operand\n * @returns {Number} dot product of a and b\n */\nvec2.dot = function (a, b) {\n    return a[0] * b[0] + a[1] * b[1];\n};\n\n/**\n * Computes the cross product of two vec2's\n * Note that the cross product must by definition produce a 3D vector\n *\n * @param {vec3} out the receiving vector\n * @param {vec2} a the first operand\n * @param {vec2} b the second operand\n * @returns {vec3} out\n */\nvec2.cross = function(out, a, b) {\n    var z = a[0] * b[1] - a[1] * b[0];\n    out[0] = out[1] = 0;\n    out[2] = z;\n    return out;\n};\n\n/**\n * Performs a linear interpolation between two vec2's\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the first operand\n * @param {vec2} b the second operand\n * @param {Number} t interpolation amount between the two inputs\n * @returns {vec2} out\n */\nvec2.lerp = function (out, a, b, t) {\n    var ax = a[0],\n        ay = a[1];\n    out[0] = ax + t * (b[0] - ax);\n    out[1] = ay + t * (b[1] - ay);\n    return out;\n};\n\n/**\n * Generates a random vector with the given scale\n *\n * @param {vec2} out the receiving vector\n * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned\n * @returns {vec2} out\n */\nvec2.random = function (out, scale) {\n    scale = scale || 1.0;\n    var r = GLMAT_RANDOM() * 2.0 * Math.PI;\n    out[0] = Math.cos(r) * scale;\n    out[1] = Math.sin(r) * scale;\n    return out;\n};\n\n/**\n * Transforms the vec2 with a mat2\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the vector to transform\n * @param {mat2} m matrix to transform with\n * @returns {vec2} out\n */\nvec2.transformMat2 = function(out, a, m) {\n    var x = a[0],\n        y = a[1];\n    out[0] = m[0] * x + m[2] * y;\n    out[1] = m[1] * x + m[3] * y;\n    return out;\n};\n\n/**\n * Transforms the vec2 with a mat2d\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the vector to transform\n * @param {mat2d} m matrix to transform with\n * @returns {vec2} out\n */\nvec2.transformMat2d = function(out, a, m) {\n    var x = a[0],\n        y = a[1];\n    out[0] = m[0] * x + m[2] * y + m[4];\n    out[1] = m[1] * x + m[3] * y + m[5];\n    return out;\n};\n\n/**\n * Transforms the vec2 with a mat3\n * 3rd vector component is implicitly '1'\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the vector to transform\n * @param {mat3} m matrix to transform with\n * @returns {vec2} out\n */\nvec2.transformMat3 = function(out, a, m) {\n    var x = a[0],\n        y = a[1];\n    out[0] = m[0] * x + m[3] * y + m[6];\n    out[1] = m[1] * x + m[4] * y + m[7];\n    return out;\n};\n\n/**\n * Transforms the vec2 with a mat4\n * 3rd vector component is implicitly '0'\n * 4th vector component is implicitly '1'\n *\n * @param {vec2} out the receiving vector\n * @param {vec2} a the vector to transform\n * @param {mat4} m matrix to transform with\n * @returns {vec2} out\n */\nvec2.transformMat4 = function(out, a, m) {\n    var x = a[0],\n        y = a[1];\n    out[0] = m[0] * x + m[4] * y + m[12];\n    out[1] = m[1] * x + m[5] * y + m[13];\n    return out;\n};\n\n/**\n * Perform some operation over an array of vec2s.\n *\n * @param {Array} a the array of vectors to iterate over\n * @param {Number} stride Number of elements between the start of each vec2. If 0 assumes tightly packed\n * @param {Number} offset Number of elements to skip at the beginning of the array\n * @param {Number} count Number of vec2s to iterate over. If 0 iterates over entire array\n * @param {Function} fn Function to call for each vector in the array\n * @param {Object} [arg] additional argument to pass to fn\n * @returns {Array} a\n * @function\n */\nvec2.forEach = (function() {\n    var vec = vec2.create();\n\n    return function(a, stride, offset, count, fn, arg) {\n        var i, l;\n        if(!stride) {\n            stride = 2;\n        }\n\n        if(!offset) {\n            offset = 0;\n        }\n\n        if(count) {\n            l = Math.min((count * stride) + offset, a.length);\n        } else {\n            l = a.length;\n        }\n\n        for(i = offset; i < l; i += stride) {\n            vec[0] = a[i]; vec[1] = a[i+1];\n            fn(vec, vec, arg);\n            a[i] = vec[0]; a[i+1] = vec[1];\n        }\n\n        return a;\n    };\n})();\n\nexport default vec2;","\nexport var GLMAT_EPSILON = 0.000001;\n\n// Use Array instead of Float32Array. It seems to be much faster and higher precision.\nexport var GLMAT_ARRAY_TYPE = Array;\n// if(!GLMAT_ARRAY_TYPE) {\n//     GLMAT_ARRAY_TYPE = (typeof Float32Array !== 'undefined') ? Float32Array : Array;\n// }\n\nexport var GLMAT_RANDOM = Math.random;\n","import vec2 from '../glmatrix/vec2';\n\n/**\n * @constructor\n * @alias clay.Vector2\n * @param {number} x\n * @param {number} y\n */\nvar Vector2 = function(x, y) {\n\n    x = x || 0;\n    y = y || 0;\n\n    /**\n     * Storage of Vector2, read and write of x, y will change the values in array\n     * All methods also operate on the array instead of x, y components\n     * @name array\n     * @type {Float32Array}\n     * @memberOf clay.Vector2#\n     */\n    this.array = vec2.fromValues(x, y);\n\n    /**\n     * Dirty flag is used by the Node to determine\n     * if the matrix is updated to latest\n     * @name _dirty\n     * @type {boolean}\n     * @memberOf clay.Vector2#\n     */\n    this._dirty = true;\n};\n\nVector2.prototype = {\n\n    constructor: Vector2,\n\n    /**\n     * Add b to self\n     * @param  {clay.Vector2} b\n     * @return {clay.Vector2}\n     */\n    add: function(b) {\n        vec2.add(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set x and y components\n     * @param  {number}  x\n     * @param  {number}  y\n     * @return {clay.Vector2}\n     */\n    set: function(x, y) {\n        this.array[0] = x;\n        this.array[1] = y;\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set x and y components from array\n     * @param  {Float32Array|number[]} arr\n     * @return {clay.Vector2}\n     */\n    setArray: function(arr) {\n        this.array[0] = arr[0];\n        this.array[1] = arr[1];\n\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Clone a new Vector2\n     * @return {clay.Vector2}\n     */\n    clone: function() {\n        return new Vector2(this.x, this.y);\n    },\n\n    /**\n     * Copy x, y from b\n     * @param  {clay.Vector2} b\n     * @return {clay.Vector2}\n     */\n    copy: function(b) {\n        vec2.copy(this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Cross product of self and b, written to a Vector3 out\n     * @param  {clay.Vector3} out\n     * @param  {clay.Vector2} b\n     * @return {clay.Vector2}\n     */\n    cross: function(out, b) {\n        vec2.cross(out.array, this.array, b.array);\n        out._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for distance\n     * @param  {clay.Vector2} b\n     * @return {number}\n     */\n    dist: function(b) {\n        return vec2.dist(this.array, b.array);\n    },\n\n    /**\n     * Distance between self and b\n     * @param  {clay.Vector2} b\n     * @return {number}\n     */\n    distance: function(b) {\n        return vec2.distance(this.array, b.array);\n    },\n\n    /**\n     * Alias for divide\n     * @param  {clay.Vector2} b\n     * @return {clay.Vector2}\n     */\n    div: function(b) {\n        vec2.div(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Divide self by b\n     * @param  {clay.Vector2} b\n     * @return {clay.Vector2}\n     */\n    divide: function(b) {\n        vec2.divide(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Dot product of self and b\n     * @param  {clay.Vector2} b\n     * @return {number}\n     */\n    dot: function(b) {\n        return vec2.dot(this.array, b.array);\n    },\n\n    /**\n     * Alias of length\n     * @return {number}\n     */\n    len: function() {\n        return vec2.len(this.array);\n    },\n\n    /**\n     * Calculate the length\n     * @return {number}\n     */\n    length: function() {\n        return vec2.length(this.array);\n    },\n\n    /**\n     * Linear interpolation between a and b\n     * @param  {clay.Vector2} a\n     * @param  {clay.Vector2} b\n     * @param  {number}  t\n     * @return {clay.Vector2}\n     */\n    lerp: function(a, b, t) {\n        vec2.lerp(this.array, a.array, b.array, t);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Minimum of self and b\n     * @param  {clay.Vector2} b\n     * @return {clay.Vector2}\n     */\n    min: function(b) {\n        vec2.min(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Maximum of self and b\n     * @param  {clay.Vector2} b\n     * @return {clay.Vector2}\n     */\n    max: function(b) {\n        vec2.max(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for multiply\n     * @param  {clay.Vector2} b\n     * @return {clay.Vector2}\n     */\n    mul: function(b) {\n        vec2.mul(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Mutiply self and b\n     * @param  {clay.Vector2} b\n     * @return {clay.Vector2}\n     */\n    multiply: function(b) {\n        vec2.multiply(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Negate self\n     * @return {clay.Vector2}\n     */\n    negate: function() {\n        vec2.negate(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Normalize self\n     * @return {clay.Vector2}\n     */\n    normalize: function() {\n        vec2.normalize(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Generate random x, y components with a given scale\n     * @param  {number} scale\n     * @return {clay.Vector2}\n     */\n    random: function(scale) {\n        vec2.random(this.array, scale);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Scale self\n     * @param  {number}  scale\n     * @return {clay.Vector2}\n     */\n    scale: function(s) {\n        vec2.scale(this.array, this.array, s);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Scale b and add to self\n     * @param  {clay.Vector2} b\n     * @param  {number}  scale\n     * @return {clay.Vector2}\n     */\n    scaleAndAdd: function(b, s) {\n        vec2.scaleAndAdd(this.array, this.array, b.array, s);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for squaredDistance\n     * @param  {clay.Vector2} b\n     * @return {number}\n     */\n    sqrDist: function(b) {\n        return vec2.sqrDist(this.array, b.array);\n    },\n\n    /**\n     * Squared distance between self and b\n     * @param  {clay.Vector2} b\n     * @return {number}\n     */\n    squaredDistance: function(b) {\n        return vec2.squaredDistance(this.array, b.array);\n    },\n\n    /**\n     * Alias for squaredLength\n     * @return {number}\n     */\n    sqrLen: function() {\n        return vec2.sqrLen(this.array);\n    },\n\n    /**\n     * Squared length of self\n     * @return {number}\n     */\n    squaredLength: function() {\n        return vec2.squaredLength(this.array);\n    },\n\n    /**\n     * Alias for subtract\n     * @param  {clay.Vector2} b\n     * @return {clay.Vector2}\n     */\n    sub: function(b) {\n        vec2.sub(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Subtract b from self\n     * @param  {clay.Vector2} b\n     * @return {clay.Vector2}\n     */\n    subtract: function(b) {\n        vec2.subtract(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Transform self with a Matrix2 m\n     * @param  {clay.Matrix2} m\n     * @return {clay.Vector2}\n     */\n    transformMat2: function(m) {\n        vec2.transformMat2(this.array, this.array, m.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Transform self with a Matrix2d m\n     * @param  {clay.Matrix2d} m\n     * @return {clay.Vector2}\n     */\n    transformMat2d: function(m) {\n        vec2.transformMat2d(this.array, this.array, m.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Transform self with a Matrix3 m\n     * @param  {clay.Matrix3} m\n     * @return {clay.Vector2}\n     */\n    transformMat3: function(m) {\n        vec2.transformMat3(this.array, this.array, m.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Transform self with a Matrix4 m\n     * @param  {clay.Matrix4} m\n     * @return {clay.Vector2}\n     */\n    transformMat4: function(m) {\n        vec2.transformMat4(this.array, this.array, m.array);\n        this._dirty = true;\n        return this;\n    },\n\n    toString: function() {\n        return '[' + Array.prototype.join.call(this.array, ',') + ']';\n    },\n\n    toArray: function () {\n        return Array.prototype.slice.call(this.array);\n    }\n};\n\n// Getter and Setter\nif (Object.defineProperty) {\n\n    var proto = Vector2.prototype;\n    /**\n     * @name x\n     * @type {number}\n     * @memberOf clay.Vector2\n     * @instance\n     */\n    Object.defineProperty(proto, 'x', {\n        get: function () {\n            return this.array[0];\n        },\n        set: function (value) {\n            this.array[0] = value;\n            this._dirty = true;\n        }\n    });\n\n    /**\n     * @name y\n     * @type {number}\n     * @memberOf clay.Vector2\n     * @instance\n     */\n    Object.defineProperty(proto, 'y', {\n        get: function () {\n            return this.array[1];\n        },\n        set: function (value) {\n            this.array[1] = value;\n            this._dirty = true;\n        }\n    });\n}\n\n// Supply methods that are not in place\n\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {clay.Vector2}\n */\nVector2.add = function(out, a, b) {\n    vec2.add(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector2} out\n * @param  {number}  x\n * @param  {number}  y\n * @return {clay.Vector2}\n */\nVector2.set = function(out, x, y) {\n    vec2.set(out.array, x, y);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} b\n * @return {clay.Vector2}\n */\nVector2.copy = function(out, b) {\n    vec2.copy(out.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {clay.Vector2}\n */\nVector2.cross = function(out, a, b) {\n    vec2.cross(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {number}\n */\nVector2.dist = function(a, b) {\n    return vec2.distance(a.array, b.array);\n};\n/**\n * @function\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {number}\n */\nVector2.distance = Vector2.dist;\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {clay.Vector2}\n */\nVector2.div = function(out, a, b) {\n    vec2.divide(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @function\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {clay.Vector2}\n */\nVector2.divide = Vector2.div;\n/**\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {number}\n */\nVector2.dot = function(a, b) {\n    return vec2.dot(a.array, b.array);\n};\n\n/**\n * @param  {clay.Vector2} a\n * @return {number}\n */\nVector2.len = function(b) {\n    return vec2.length(b.array);\n};\n\n// Vector2.length = Vector2.len;\n\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @param  {number}  t\n * @return {clay.Vector2}\n */\nVector2.lerp = function(out, a, b, t) {\n    vec2.lerp(out.array, a.array, b.array, t);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {clay.Vector2}\n */\nVector2.min = function(out, a, b) {\n    vec2.min(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {clay.Vector2}\n */\nVector2.max = function(out, a, b) {\n    vec2.max(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {clay.Vector2}\n */\nVector2.mul = function(out, a, b) {\n    vec2.multiply(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @function\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {clay.Vector2}\n */\nVector2.multiply = Vector2.mul;\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @return {clay.Vector2}\n */\nVector2.negate = function(out, a) {\n    vec2.negate(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @return {clay.Vector2}\n */\nVector2.normalize = function(out, a) {\n    vec2.normalize(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector2} out\n * @param  {number}  scale\n * @return {clay.Vector2}\n */\nVector2.random = function(out, scale) {\n    vec2.random(out.array, scale);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {number}  scale\n * @return {clay.Vector2}\n */\nVector2.scale = function(out, a, scale) {\n    vec2.scale(out.array, a.array, scale);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @param  {number}  scale\n * @return {clay.Vector2}\n */\nVector2.scaleAndAdd = function(out, a, b, scale) {\n    vec2.scaleAndAdd(out.array, a.array, b.array, scale);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {number}\n */\nVector2.sqrDist = function(a, b) {\n    return vec2.sqrDist(a.array, b.array);\n};\n/**\n * @function\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {number}\n */\nVector2.squaredDistance = Vector2.sqrDist;\n\n/**\n * @param  {clay.Vector2} a\n * @return {number}\n */\nVector2.sqrLen = function(a) {\n    return vec2.sqrLen(a.array);\n};\n/**\n * @function\n * @param  {clay.Vector2} a\n * @return {number}\n */\nVector2.squaredLength = Vector2.sqrLen;\n\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {clay.Vector2}\n */\nVector2.sub = function(out, a, b) {\n    vec2.subtract(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @function\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Vector2} b\n * @return {clay.Vector2}\n */\nVector2.subtract = Vector2.sub;\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Matrix2} m\n * @return {clay.Vector2}\n */\nVector2.transformMat2 = function(out, a, m) {\n    vec2.transformMat2(out.array, a.array, m.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector2}  out\n * @param  {clay.Vector2}  a\n * @param  {clay.Matrix2d} m\n * @return {clay.Vector2}\n */\nVector2.transformMat2d = function(out, a, m) {\n    vec2.transformMat2d(out.array, a.array, m.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {Matrix3} m\n * @return {clay.Vector2}\n */\nVector2.transformMat3 = function(out, a, m) {\n    vec2.transformMat3(out.array, a.array, m.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector2} out\n * @param  {clay.Vector2} a\n * @param  {clay.Matrix4} m\n * @return {clay.Vector2}\n */\nVector2.transformMat4 = function(out, a, m) {\n    vec2.transformMat4(out.array, a.array, m.array);\n    out._dirty = true;\n    return out;\n};\n\nexport default Vector2;\n","import vendor from '../core/vendor';\nimport Base from '../core/Base';\n\nvar SHADER_STATE_TO_ENABLE = 1;\nvar SHADER_STATE_KEEP_ENABLE = 2;\nvar SHADER_STATE_PENDING = 3;\n\n// Enable attribute operation is global to all programs\n// Here saved the list of all enabled attribute index\n// http://www.mjbshaw.com/2013/03/webgl-fixing-invalidoperation.html\nvar enabledAttributeList = {};\n\n// some util functions\nfunction addLineNumbers(string) {\n    var chunks = string.split('\\n');\n    for (var i = 0, il = chunks.length; i < il; i ++) {\n        // Chrome reports shader errors on lines\n        // starting counting from 1\n        chunks[i] = (i + 1) + ': ' + chunks[i];\n    }\n    return chunks.join('\\n');\n}\n\n// Return true or error msg if error happened\nfunction checkShaderErrorMsg(_gl, shader, shaderString) {\n    if (!_gl.getShaderParameter(shader, _gl.COMPILE_STATUS)) {\n        return [_gl.getShaderInfoLog(shader), addLineNumbers(shaderString)].join('\\n');\n    }\n}\n\nvar tmpFloat32Array16 = new vendor.Float32Array(16);\n\nvar GLProgram = Base.extend({\n\n    uniformSemantics: {},\n    attributes: {}\n\n}, function () {\n    this._locations = {};\n\n    this._textureSlot = 0;\n\n    this._program = null;\n}, {\n\n    bind: function (renderer) {\n        this._textureSlot = 0;\n        renderer.gl.useProgram(this._program);\n    },\n\n    hasUniform: function (symbol) {\n        var location = this._locations[symbol];\n        return location !== null && location !== undefined;\n    },\n\n    useTextureSlot: function (renderer, texture, slot) {\n        if (texture) {\n            renderer.gl.activeTexture(renderer.gl.TEXTURE0 + slot);\n            // Maybe texture is not loaded yet;\n            if (texture.isRenderable()) {\n                texture.bind(renderer);\n            }\n            else {\n                // Bind texture to null\n                texture.unbind(renderer);\n            }\n        }\n    },\n\n    currentTextureSlot: function () {\n        return this._textureSlot;\n    },\n\n    resetTextureSlot: function (slot) {\n        this._textureSlot = slot || 0;\n    },\n\n    takeCurrentTextureSlot: function (renderer, texture) {\n        var textureSlot = this._textureSlot;\n\n        this.useTextureSlot(renderer, texture, textureSlot);\n\n        this._textureSlot++;\n\n        return textureSlot;\n    },\n\n    setUniform: function (_gl, type, symbol, value) {\n        var locationMap = this._locations;\n        var location = locationMap[symbol];\n        // Uniform is not existed in the shader\n        if (location === null || location === undefined) {\n            return false;\n        }\n\n        switch (type) {\n            case 'm4':\n                if (!(value instanceof Float32Array)) {\n                    // Use Float32Array is much faster than array when uniformMatrix4fv.\n                    for (var i = 0; i < value.length; i++) {\n                        tmpFloat32Array16[i] = value[i];\n                    }\n                    value = tmpFloat32Array16;\n                }\n                _gl.uniformMatrix4fv(location, false, value);\n                break;\n            case '2i':\n                _gl.uniform2i(location, value[0], value[1]);\n                break;\n            case '2f':\n                _gl.uniform2f(location, value[0], value[1]);\n                break;\n            case '3i':\n                _gl.uniform3i(location, value[0], value[1], value[2]);\n                break;\n            case '3f':\n                _gl.uniform3f(location, value[0], value[1], value[2]);\n                break;\n            case '4i':\n                _gl.uniform4i(location, value[0], value[1], value[2], value[3]);\n                break;\n            case '4f':\n                _gl.uniform4f(location, value[0], value[1], value[2], value[3]);\n                break;\n            case '1i':\n                _gl.uniform1i(location, value);\n                break;\n            case '1f':\n                _gl.uniform1f(location, value);\n                break;\n            case '1fv':\n                _gl.uniform1fv(location, value);\n                break;\n            case '1iv':\n                _gl.uniform1iv(location, value);\n                break;\n            case '2iv':\n                _gl.uniform2iv(location, value);\n                break;\n            case '2fv':\n                _gl.uniform2fv(location, value);\n                break;\n            case '3iv':\n                _gl.uniform3iv(location, value);\n                break;\n            case '3fv':\n                _gl.uniform3fv(location, value);\n                break;\n            case '4iv':\n                _gl.uniform4iv(location, value);\n                break;\n            case '4fv':\n                _gl.uniform4fv(location, value);\n                break;\n            case 'm2':\n            case 'm2v':\n                _gl.uniformMatrix2fv(location, false, value);\n                break;\n            case 'm3':\n            case 'm3v':\n                _gl.uniformMatrix3fv(location, false, value);\n                break;\n            case 'm4v':\n                // Raw value\n                if (Array.isArray(value) && Array.isArray(value[0])) {\n                    var array = new vendor.Float32Array(value.length * 16);\n                    var cursor = 0;\n                    for (var i = 0; i < value.length; i++) {\n                        var item = value[i];\n                        for (var j = 0; j < 16; j++) {\n                            array[cursor++] = item[j];\n                        }\n                    }\n                    _gl.uniformMatrix4fv(location, false, array);\n                }\n                else {   // ArrayBufferView\n                    _gl.uniformMatrix4fv(location, false, value);\n                }\n                break;\n        }\n        return true;\n    },\n\n    setUniformOfSemantic: function (_gl, semantic, val) {\n        var semanticInfo = this.uniformSemantics[semantic];\n        if (semanticInfo) {\n            return this.setUniform(_gl, semanticInfo.type, semanticInfo.symbol, val);\n        }\n        return false;\n    },\n\n    // Used for creating VAO\n    // Enable the attributes passed in and disable the rest\n    // Example Usage:\n    // enableAttributes(renderer, [\"position\", \"texcoords\"])\n    enableAttributes: function (renderer, attribList, vao) {\n        var _gl = renderer.gl;\n        var program = this._program;\n\n        var locationMap = this._locations;\n\n        var enabledAttributeListInContext;\n        if (vao) {\n            enabledAttributeListInContext = vao.__enabledAttributeList;\n        }\n        else {\n            enabledAttributeListInContext = enabledAttributeList[renderer.__uid__];\n        }\n        if (!enabledAttributeListInContext) {\n            // In vertex array object context\n            // PENDING Each vao object needs to enable attributes again?\n            if (vao) {\n                enabledAttributeListInContext\n                    = vao.__enabledAttributeList\n                    = [];\n            }\n            else {\n                enabledAttributeListInContext\n                    = enabledAttributeList[renderer.__uid__]\n                    = [];\n            }\n        }\n        var locationList = [];\n        for (var i = 0; i < attribList.length; i++) {\n            var symbol = attribList[i];\n            if (!this.attributes[symbol]) {\n                locationList[i] = -1;\n                continue;\n            }\n            var location = locationMap[symbol];\n            if (location == null) {\n                location = _gl.getAttribLocation(program, symbol);\n                // Attrib location is a number from 0 to ...\n                if (location === -1) {\n                    locationList[i] = -1;\n                    continue;\n                }\n                locationMap[symbol] = location;\n            }\n            locationList[i] = location;\n\n            if (!enabledAttributeListInContext[location]) {\n                enabledAttributeListInContext[location] = SHADER_STATE_TO_ENABLE;\n            }\n            else {\n                enabledAttributeListInContext[location] = SHADER_STATE_KEEP_ENABLE;\n            }\n        }\n\n        for (var i = 0; i < enabledAttributeListInContext.length; i++) {\n            switch(enabledAttributeListInContext[i]){\n                case SHADER_STATE_TO_ENABLE:\n                    _gl.enableVertexAttribArray(i);\n                    enabledAttributeListInContext[i] = SHADER_STATE_PENDING;\n                    break;\n                case SHADER_STATE_KEEP_ENABLE:\n                    enabledAttributeListInContext[i] = SHADER_STATE_PENDING;\n                    break;\n                // Expired\n                case SHADER_STATE_PENDING:\n                    _gl.disableVertexAttribArray(i);\n                    enabledAttributeListInContext[i] = 0;\n                    break;\n            }\n        }\n\n        return locationList;\n    },\n\n    getAttribLocation: function (_gl, symbol) {\n        var locationMap = this._locations;\n\n        var location = locationMap[symbol];\n        if (location == null) {\n            location = _gl.getAttribLocation(this._program, symbol);\n            locationMap[symbol] = location;\n        }\n\n        return location;\n    },\n\n    buildProgram: function (_gl, shader, vertexShaderCode, fragmentShaderCode) {\n        var vertexShader = _gl.createShader(_gl.VERTEX_SHADER);\n        var program = _gl.createProgram();\n\n        _gl.shaderSource(vertexShader, vertexShaderCode);\n        _gl.compileShader(vertexShader);\n\n        var fragmentShader = _gl.createShader(_gl.FRAGMENT_SHADER);\n        _gl.shaderSource(fragmentShader, fragmentShaderCode);\n        _gl.compileShader(fragmentShader);\n\n        var msg = checkShaderErrorMsg(_gl, vertexShader, vertexShaderCode);\n        if (msg) {\n            return msg;\n        }\n        msg = checkShaderErrorMsg(_gl, fragmentShader, fragmentShaderCode);\n        if (msg) {\n            return msg;\n        }\n\n        _gl.attachShader(program, vertexShader);\n        _gl.attachShader(program, fragmentShader);\n        // Force the position bind to location 0;\n        if (shader.attributeSemantics['POSITION']) {\n            _gl.bindAttribLocation(program, 0, shader.attributeSemantics['POSITION'].symbol);\n        }\n        else {\n            // Else choose an attribute and bind to location 0;\n            var keys = Object.keys(this.attributes);\n            _gl.bindAttribLocation(program, 0, keys[0]);\n        }\n\n        _gl.linkProgram(program);\n\n        _gl.deleteShader(vertexShader);\n        _gl.deleteShader(fragmentShader);\n\n        this._program = program;\n\n        // Save code.\n        this.vertexCode = vertexShaderCode;\n        this.fragmentCode = fragmentShaderCode;\n\n        if (!_gl.getProgramParameter(program, _gl.LINK_STATUS)) {\n            return 'Could not link program\\n' + _gl.getProgramInfoLog(program);\n        }\n\n        // Cache uniform locations\n        for (var i = 0; i < shader.uniforms.length; i++) {\n            var uniformSymbol = shader.uniforms[i];\n            this._locations[uniformSymbol] = _gl.getUniformLocation(program, uniformSymbol);\n        }\n\n    }\n});\n\nexport default GLProgram;","import GLProgram from './GLProgram';\n\nvar loopRegex = /for\\s*?\\(int\\s*?_idx_\\s*\\=\\s*([\\w-]+)\\;\\s*_idx_\\s*<\\s*([\\w-]+);\\s*_idx_\\s*\\+\\+\\s*\\)\\s*\\{\\{([\\s\\S]+?)(?=\\}\\})\\}\\}/g;\n\nfunction unrollLoop(shaderStr, defines, lightsNumbers) {\n    // Loop unroll from three.js, https://github.com/mrdoob/three.js/blob/master/src/renderers/webgl/WebGLProgram.js#L175\n    // In some case like shadowMap in loop use 'i' to index value much slower.\n\n    // Loop use _idx_ and increased with _idx_++ will be unrolled\n    // Use {{ }} to match the pair so the if statement will not be affected\n    // Write like following\n    // for (int _idx_ = 0; _idx_ < 4; _idx_++) {{\n    //     vec3 color = texture2D(textures[_idx_], uv).rgb;\n    // }}\n    function replace(match, start, end, snippet) {\n        var unroll = '';\n        // Try to treat as define\n        if (isNaN(start)) {\n            if (start in defines) {\n                start = defines[start];\n            }\n            else {\n                start = lightNumberDefines[start];\n            }\n        }\n        if (isNaN(end)) {\n            if (end in defines) {\n                end = defines[end];\n            }\n            else {\n                end = lightNumberDefines[end];\n            }\n        }\n        // TODO Error checking\n\n        for (var idx = parseInt(start); idx < parseInt(end); idx++) {\n            // PENDING Add scope?\n            unroll += '{'\n                + snippet\n                    .replace(/float\\s*\\(\\s*_idx_\\s*\\)/g, idx.toFixed(1))\n                    .replace(/_idx_/g, idx)\n            + '}';\n        }\n\n        return unroll;\n    }\n\n    var lightNumberDefines = {};\n    for (var lightType in lightsNumbers) {\n        lightNumberDefines[lightType + '_COUNT'] = lightsNumbers[lightType];\n    }\n    return shaderStr.replace(loopRegex, replace);\n}\n\nfunction getDefineCode(defines, lightsNumbers, enabledTextures) {\n    var defineStr = [];\n    if (lightsNumbers) {\n        for (var lightType in lightsNumbers) {\n            var count = lightsNumbers[lightType];\n            if (count > 0) {\n                defineStr.push('#define ' + lightType.toUpperCase() + '_COUNT ' + count);\n            }\n        }\n    }\n    if (enabledTextures) {\n        for (var i = 0; i < enabledTextures.length; i++) {\n            var symbol = enabledTextures[i];\n            defineStr.push('#define ' + symbol.toUpperCase() + '_ENABLED');\n        }\n    }\n    // Custom Defines\n    for (var symbol in defines) {\n        var value = defines[symbol];\n        if (value === null) {\n            defineStr.push('#define ' + symbol);\n        }\n        else{\n            defineStr.push('#define ' + symbol + ' ' + value.toString());\n        }\n    }\n    return defineStr.join('\\n');\n}\n\nfunction getExtensionCode(exts) {\n    // Extension declaration must before all non-preprocessor codes\n    // TODO vertex ? extension enum ?\n    var extensionStr = [];\n    for (var i = 0; i < exts.length; i++) {\n        extensionStr.push('#extension GL_' + exts[i] + ' : enable');\n    }\n    return extensionStr.join('\\n');\n}\n\nfunction getPrecisionCode(precision) {\n    return ['precision', precision, 'float'].join(' ') + ';\\n'\n        + ['precision', precision, 'int'].join(' ') + ';\\n'\n        // depth texture may have precision problem on iOS device.\n        + ['precision', precision, 'sampler2D'].join(' ') + ';\\n';\n}\n\nfunction ProgramManager(renderer) {\n    this._renderer = renderer;\n    this._cache = {};\n}\n\nProgramManager.prototype.getProgram = function (renderable, material, scene) {\n    var cache = this._cache;\n\n    var isSkinnedMesh = renderable.isSkinnedMesh && renderable.isSkinnedMesh();\n    var isInstancedMesh = renderable.isInstancedMesh && renderable.isInstancedMesh();\n    var key = 's' + material.shader.shaderID + 'm' + material.getProgramKey();\n    if (scene) {\n        key += 'se' + scene.getProgramKey(renderable.lightGroup);\n    }\n    if (isSkinnedMesh) {\n        key += ',sk' + renderable.joints.length;\n    }\n    if (isInstancedMesh) {\n        key += ',is';\n    }\n    var program = cache[key];\n\n    if (program) {\n        return program;\n    }\n\n    var lightsNumbers = scene ? scene.getLightsNumbers(renderable.lightGroup) : {};\n    var renderer = this._renderer;\n    var _gl = renderer.gl;\n    var enabledTextures = material.getEnabledTextures();\n    var extraDefineCode = '';\n    if (isSkinnedMesh) {\n        var skinDefines = {\n            SKINNING: null,\n            JOINT_COUNT: renderable.joints.length\n        };\n        if (renderable.joints.length > renderer.getMaxJointNumber()) {\n            skinDefines.USE_SKIN_MATRICES_TEXTURE = null;\n        }\n        // TODO Add skinning code?\n        extraDefineCode += '\\n' + getDefineCode(skinDefines) + '\\n';\n    }\n    if (isInstancedMesh) {\n        extraDefineCode += '\\n#define INSTANCING\\n';\n    }\n    // TODO Optimize key generation\n    // VERTEX\n    var vertexDefineStr = extraDefineCode + getDefineCode(material.vertexDefines, lightsNumbers, enabledTextures);\n    // FRAGMENT\n    var fragmentDefineStr = extraDefineCode + getDefineCode(material.fragmentDefines, lightsNumbers, enabledTextures);\n\n    var vertexCode = vertexDefineStr + '\\n' + material.shader.vertex;\n\n    var extensions = [\n        'OES_standard_derivatives',\n        'EXT_shader_texture_lod'\n    ].filter(function (ext) {\n        return renderer.getGLExtension(ext) != null;\n    });\n\n    if (extensions.indexOf('EXT_shader_texture_lod') >= 0) {\n        fragmentDefineStr += '\\n#define SUPPORT_TEXTURE_LOD';\n    }\n    if (extensions.indexOf('OES_standard_derivatives') >= 0) {\n        fragmentDefineStr += '\\n#define SUPPORT_STANDARD_DERIVATIVES';\n    }\n\n    var fragmentCode = getExtensionCode(extensions) + '\\n'\n        + getPrecisionCode(material.precision) + '\\n'\n        + fragmentDefineStr + '\\n'\n        + material.shader.fragment;\n\n    var finalVertexCode = unrollLoop(vertexCode, material.vertexDefines, lightsNumbers);\n    var finalFragmentCode = unrollLoop(fragmentCode, material.fragmentDefines, lightsNumbers);\n\n    var program = new GLProgram();\n    program.uniformSemantics = material.shader.uniformSemantics;\n    program.attributes = material.shader.attributes;\n    var errorMsg = program.buildProgram(_gl, material.shader, finalVertexCode, finalFragmentCode);\n    program.__error = errorMsg;\n\n    cache[key] = program;\n\n    return program;\n};\n\nexport default ProgramManager;","/**\n * Mainly do the parse and compile of shader string\n * Support shader code chunk import and export\n * Support shader semantics\n * http://www.nvidia.com/object/using_sas.html\n * https://github.com/KhronosGroup/collada2json/issues/45\n */\nimport util from './core/util';\nimport vendor from './core/vendor';\n\nvar uniformRegex = /uniform\\s+(bool|float|int|vec2|vec3|vec4|ivec2|ivec3|ivec4|mat2|mat3|mat4|sampler2D|samplerCube)\\s+([\\s\\S]*?);/g;\nvar attributeRegex = /attribute\\s+(float|int|vec2|vec3|vec4)\\s+([\\s\\S]*?);/g;\n// Only parse number define.\nvar defineRegex = /#define\\s+(\\w+)?(\\s+[\\d-.]+)?\\s*;?\\s*\\n/g;\n\nvar uniformTypeMap = {\n    'bool': '1i',\n    'int': '1i',\n    'sampler2D': 't',\n    'samplerCube': 't',\n    'float': '1f',\n    'vec2': '2f',\n    'vec3': '3f',\n    'vec4': '4f',\n    'ivec2': '2i',\n    'ivec3': '3i',\n    'ivec4': '4i',\n    'mat2': 'm2',\n    'mat3': 'm3',\n    'mat4': 'm4'\n};\n\nfunction createZeroArray(len) {\n    var arr = [];\n    for (var i = 0; i < len; i++) {\n        arr[i] = 0;\n    }\n    return arr;\n}\n\nvar uniformValueConstructor = {\n    'bool': function () { return true; },\n    'int': function () { return 0; },\n    'float': function () { return 0; },\n    'sampler2D': function () { return null; },\n    'samplerCube': function () { return null; },\n\n    'vec2': function () { return createZeroArray(2); },\n    'vec3': function () { return createZeroArray(3); },\n    'vec4': function () { return createZeroArray(4); },\n\n    'ivec2': function () { return createZeroArray(2); },\n    'ivec3': function () { return createZeroArray(3); },\n    'ivec4': function () { return createZeroArray(4); },\n\n    'mat2': function () { return createZeroArray(4); },\n    'mat3': function () { return createZeroArray(9); },\n    'mat4': function () { return createZeroArray(16); },\n\n    'array': function () { return []; }\n};\n\nvar attributeSemantics = [\n    'POSITION',\n    'NORMAL',\n    'BINORMAL',\n    'TANGENT',\n    'TEXCOORD',\n    'TEXCOORD_0',\n    'TEXCOORD_1',\n    'COLOR',\n    // Skinning\n    // https://github.com/KhronosGroup/glTF/blob/master/specification/README.md#semantics\n    'JOINT',\n    'WEIGHT'\n];\nvar uniformSemantics = [\n    'SKIN_MATRIX',\n    // Information about viewport\n    'VIEWPORT_SIZE',\n    'VIEWPORT',\n    'DEVICEPIXELRATIO',\n    // Window size for window relative coordinate\n    // https://www.opengl.org/sdk/docs/man/html/gl_FragCoord.xhtml\n    'WINDOW_SIZE',\n    // Infomation about camera\n    'NEAR',\n    'FAR',\n    // Time\n    'TIME'\n];\nvar matrixSemantics = [\n    'WORLD',\n    'VIEW',\n    'PROJECTION',\n    'WORLDVIEW',\n    'VIEWPROJECTION',\n    'WORLDVIEWPROJECTION',\n    'WORLDINVERSE',\n    'VIEWINVERSE',\n    'PROJECTIONINVERSE',\n    'WORLDVIEWINVERSE',\n    'VIEWPROJECTIONINVERSE',\n    'WORLDVIEWPROJECTIONINVERSE',\n    'WORLDTRANSPOSE',\n    'VIEWTRANSPOSE',\n    'PROJECTIONTRANSPOSE',\n    'WORLDVIEWTRANSPOSE',\n    'VIEWPROJECTIONTRANSPOSE',\n    'WORLDVIEWPROJECTIONTRANSPOSE',\n    'WORLDINVERSETRANSPOSE',\n    'VIEWINVERSETRANSPOSE',\n    'PROJECTIONINVERSETRANSPOSE',\n    'WORLDVIEWINVERSETRANSPOSE',\n    'VIEWPROJECTIONINVERSETRANSPOSE',\n    'WORLDVIEWPROJECTIONINVERSETRANSPOSE'\n];\n\nvar attributeSizeMap = {\n    // WebGL does not support integer attributes\n    'vec4': 4,\n    'vec3': 3,\n    'vec2': 2,\n    'float': 1\n};\n\n\nvar shaderIDCache = {};\nvar shaderCodeCache = {};\n\nfunction getShaderID(vertex, fragment) {\n    var key = 'vertex:' + vertex + 'fragment:' + fragment;\n    if (shaderIDCache[key]) {\n        return shaderIDCache[key];\n    }\n    var id = util.genGUID();\n    shaderIDCache[key] = id;\n\n    shaderCodeCache[id] = {\n        vertex: vertex,\n        fragment: fragment\n    };\n\n    return id;\n}\n\nfunction removeComment(code) {\n    return code.replace(/[ \\t]*\\/\\/.*\\n/g, '' )   // remove //\n        .replace(/[ \\t]*\\/\\*[\\s\\S]*?\\*\\//g, '' ); // remove /* */\n}\n\nfunction logSyntaxError() {\n    console.error('Wrong uniform/attributes syntax');\n}\n\nfunction parseDeclarations(type, line) {\n    var speratorsRegexp = /[,=\\(\\):]/;\n    var tokens = line\n        // Convert `symbol: [1,2,3]` to `symbol: vec3(1,2,3)`\n        .replace(/:\\s*\\[\\s*(.*)\\s*\\]/g, '=' + type + '($1)')\n        .replace(/\\s+/g, '')\n        .split(/(?=[,=\\(\\):])/g);\n\n    var newTokens = [];\n    for (var i = 0; i < tokens.length; i++) {\n        if (tokens[i].match(speratorsRegexp)) {\n            newTokens.push(\n                tokens[i].charAt(0),\n                tokens[i].slice(1)\n            );\n        }\n        else {\n            newTokens.push(tokens[i]);\n        }\n    }\n    tokens = newTokens;\n\n    var TYPE_SYMBOL = 0;\n    var TYPE_ASSIGN = 1;\n    var TYPE_VEC = 2;\n    var TYPE_ARR = 3;\n    var TYPE_SEMANTIC = 4;\n    var TYPE_NORMAL = 5;\n\n    var opType = TYPE_SYMBOL;\n    var declarations = {};\n    var declarationValue = null;\n    var currentDeclaration;\n\n    addSymbol(tokens[0]);\n\n    function addSymbol(symbol) {\n        if (!symbol) {\n            logSyntaxError();\n        }\n        var arrResult = symbol.match(/\\[(.*?)\\]/);\n        currentDeclaration = symbol.replace(/\\[(.*?)\\]/, '');\n        declarations[currentDeclaration] = {};\n        if (arrResult) {\n            declarations[currentDeclaration].isArray = true;\n            declarations[currentDeclaration].arraySize = arrResult[1];\n        }\n    }\n\n    for (var i = 1; i < tokens.length; i++) {\n        var token = tokens[i];\n        if (!token) {   // Empty token;\n            continue;\n        }\n        if (token === '=') {\n            if (opType !== TYPE_SYMBOL\n            && opType !== TYPE_ARR) {\n                logSyntaxError();\n                break;\n            }\n            opType = TYPE_ASSIGN;\n\n            continue;\n        }\n        else if (token === ':') {\n            opType = TYPE_SEMANTIC;\n\n            continue;\n        }\n        else if (token === ',') {\n            if (opType === TYPE_VEC) {\n                if (!(declarationValue instanceof Array)) {\n                    logSyntaxError();\n                    break;\n                }\n                declarationValue.push(+tokens[++i]);\n            }\n            else {\n                opType = TYPE_NORMAL;\n            }\n\n            continue;\n        }\n        else if (token === ')') {\n            declarations[currentDeclaration].value = new vendor.Float32Array(declarationValue);\n            declarationValue = null;\n            opType = TYPE_NORMAL;\n            continue;\n        }\n        else if (token === '(') {\n            if (opType !== TYPE_VEC) {\n                logSyntaxError();\n                break;\n            }\n            if (!(declarationValue instanceof Array)) {\n                logSyntaxError();\n                break;\n            }\n            declarationValue.push(+tokens[++i]);\n            continue;\n        }\n        else if (token.indexOf('vec') >= 0) {\n            if (opType !== TYPE_ASSIGN\n            // Compatitable with old syntax `symbol: [1,2,3]`\n            && opType !== TYPE_SEMANTIC) {\n                logSyntaxError();\n                break;\n            }\n            opType = TYPE_VEC;\n            declarationValue = [];\n            continue;\n        }\n        else if (opType === TYPE_ASSIGN) {\n            if (type === 'bool') {\n                declarations[currentDeclaration].value = token === 'true';\n            }\n            else {\n                declarations[currentDeclaration].value = parseFloat(token);\n            }\n            declarationValue = null;\n            continue;\n        }\n        else if (opType === TYPE_SEMANTIC) {\n            var semantic = token;\n            if (attributeSemantics.indexOf(semantic) >= 0\n                || uniformSemantics.indexOf(semantic) >= 0\n                || matrixSemantics.indexOf(semantic) >= 0\n            ) {\n                declarations[currentDeclaration].semantic = semantic;\n            }\n            else if (semantic === 'ignore' || semantic === 'unconfigurable') {\n                declarations[currentDeclaration].ignore = true;\n            }\n            else {\n                // Try to parse as a default tvalue.\n                if (type === 'bool') {\n                    declarations[currentDeclaration].value = semantic === 'true';\n                }\n                else {\n                    declarations[currentDeclaration].value = parseFloat(semantic);\n                }\n            }\n            continue;\n        }\n\n        // treat as symbol.\n        addSymbol(token);\n        opType = TYPE_SYMBOL;\n    }\n\n    return declarations;\n}\n\n\n/**\n * @constructor\n * @extends clay.core.Base\n * @alias clay.Shader\n * @param {string} vertex\n * @param {string} fragment\n * @example\n * // Create a phong shader\n * var shader = new clay.Shader(\n *      clay.Shader.source('clay.standard.vertex'),\n *      clay.Shader.source('clay.standard.fragment')\n * );\n */\nfunction Shader(vertex, fragment) {\n    // First argument can be { vertex, fragment }\n    if (typeof vertex === 'object') {\n        fragment = vertex.fragment;\n        vertex = vertex.vertex;\n    }\n\n    vertex = removeComment(vertex);\n    fragment = removeComment(fragment);\n\n    this._shaderID = getShaderID(vertex, fragment);\n\n    this._vertexCode = Shader.parseImport(vertex);\n    this._fragmentCode = Shader.parseImport(fragment);\n\n    /**\n     * @readOnly\n     */\n    this.attributeSemantics = {};\n    /**\n     * @readOnly\n     */\n    this.matrixSemantics = {};\n    /**\n     * @readOnly\n     */\n    this.uniformSemantics = {};\n    /**\n     * @readOnly\n     */\n    this.matrixSemanticKeys = [];\n    /**\n     * @readOnly\n     */\n    this.uniformTemplates = {};\n    /**\n     * @readOnly\n     */\n    this.attributes = {};\n    /**\n     * @readOnly\n     */\n    this.textures = {};\n    /**\n     * @readOnly\n     */\n    this.vertexDefines = {};\n    /**\n     * @readOnly\n     */\n    this.fragmentDefines = {};\n\n    this._parseAttributes();\n    this._parseUniforms();\n    this._parseDefines();\n}\n\nShader.prototype = {\n\n    constructor: Shader,\n\n    // Create a new uniform instance for material\n    createUniforms: function () {\n        var uniforms = {};\n\n        for (var symbol in this.uniformTemplates){\n            var uniformTpl = this.uniformTemplates[symbol];\n            uniforms[symbol] = {\n                type: uniformTpl.type,\n                value: uniformTpl.value()\n            };\n        }\n\n        return uniforms;\n    },\n\n    _parseImport: function () {\n        this._vertexCode = Shader.parseImport(this.vertex);\n        this._fragmentCode = Shader.parseImport(this.fragment);\n    },\n\n    _addSemanticUniform: function (symbol, uniformType, semantic) {\n        // This case is only for SKIN_MATRIX\n        // TODO\n        if (attributeSemantics.indexOf(semantic) >= 0) {\n            this.attributeSemantics[semantic] = {\n                symbol: symbol,\n                type: uniformType\n            };\n        }\n        else if (matrixSemantics.indexOf(semantic) >= 0) {\n            var isTranspose = false;\n            var semanticNoTranspose = semantic;\n            if (semantic.match(/TRANSPOSE$/)) {\n                isTranspose = true;\n                semanticNoTranspose = semantic.slice(0, -9);\n            }\n            this.matrixSemantics[semantic] = {\n                symbol: symbol,\n                type: uniformType,\n                isTranspose: isTranspose,\n                semanticNoTranspose: semanticNoTranspose\n            };\n        }\n        else if (uniformSemantics.indexOf(semantic) >= 0) {\n            this.uniformSemantics[semantic] = {\n                symbol: symbol,\n                type: uniformType\n            };\n        }\n    },\n\n    _addMaterialUniform: function (symbol, type, uniformType, defaultValueFunc, isArray, materialUniforms) {\n        materialUniforms[symbol] = {\n            type: uniformType,\n            value: isArray ? uniformValueConstructor['array'] : (defaultValueFunc || uniformValueConstructor[type]),\n            semantic: null\n        };\n    },\n\n    _parseUniforms: function () {\n        var uniforms = {};\n        var self = this;\n        var shaderType = 'vertex';\n        this._uniformList = [];\n\n        this._vertexCode = this._vertexCode.replace(uniformRegex, _uniformParser);\n        shaderType = 'fragment';\n        this._fragmentCode = this._fragmentCode.replace(uniformRegex, _uniformParser);\n\n        self.matrixSemanticKeys = Object.keys(this.matrixSemantics);\n\n        function makeDefaultValueFunc(value) {\n            return value != null ? function () { return value; } : null;\n        }\n\n        function _uniformParser(str, type, content) {\n            var declaredUniforms = parseDeclarations(type, content);\n            var uniformMainStr = [];\n            for (var symbol in declaredUniforms) {\n\n                var uniformInfo = declaredUniforms[symbol];\n                var semantic = uniformInfo.semantic;\n                var tmpStr = symbol;\n                var uniformType = uniformTypeMap[type];\n                var defaultValueFunc = makeDefaultValueFunc(declaredUniforms[symbol].value);\n                if (declaredUniforms[symbol].isArray) {\n                    tmpStr += '[' + declaredUniforms[symbol].arraySize + ']';\n                    uniformType += 'v';\n                }\n\n                uniformMainStr.push(tmpStr);\n\n                self._uniformList.push(symbol);\n\n                if (!uniformInfo.ignore) {\n                    if (type === 'sampler2D' || type === 'samplerCube') {\n                        // Texture is default disabled\n                        self.textures[symbol] = {\n                            shaderType: shaderType,\n                            type: type\n                        };\n                    }\n\n                    if (semantic) {\n                        // TODO Should not declare multiple symbols if have semantic.\n                        self._addSemanticUniform(symbol, uniformType, semantic);\n                    }\n                    else {\n                        self._addMaterialUniform(\n                            symbol, type, uniformType, defaultValueFunc,\n                            declaredUniforms[symbol].isArray, uniforms\n                        );\n                    }\n                }\n            }\n            return uniformMainStr.length > 0\n                ? 'uniform ' + type + ' ' + uniformMainStr.join(',') + ';\\n' : '';\n        }\n\n        this.uniformTemplates = uniforms;\n    },\n\n    _parseAttributes: function () {\n        var attributes = {};\n        var self = this;\n        this._vertexCode = this._vertexCode.replace(attributeRegex, _attributeParser);\n\n        function _attributeParser(str, type, content) {\n            var declaredAttributes = parseDeclarations(type, content);\n\n            var size = attributeSizeMap[type] || 1;\n            var attributeMainStr = [];\n            for (var symbol in declaredAttributes) {\n                var semantic = declaredAttributes[symbol].semantic;\n                attributes[symbol] = {\n                    // TODO Can only be float\n                    type: 'float',\n                    size: size,\n                    semantic: semantic || null\n                };\n                // TODO Should not declare multiple symbols if have semantic.\n                if (semantic) {\n                    if (attributeSemantics.indexOf(semantic) < 0) {\n                        throw new Error('Unkown semantic \"' + semantic + '\"');\n                    }\n                    else {\n                        self.attributeSemantics[semantic] = {\n                            symbol: symbol,\n                            type: type\n                        };\n                    }\n                }\n                attributeMainStr.push(symbol);\n            }\n\n            return 'attribute ' + type + ' ' + attributeMainStr.join(',') + ';\\n';\n        }\n\n        this.attributes = attributes;\n    },\n\n    _parseDefines: function () {\n        var self = this;\n        var shaderType = 'vertex';\n        this._vertexCode = this._vertexCode.replace(defineRegex, _defineParser);\n        shaderType = 'fragment';\n        this._fragmentCode = this._fragmentCode.replace(defineRegex, _defineParser);\n\n        function _defineParser(str, symbol, value) {\n            var defines = shaderType === 'vertex' ? self.vertexDefines : self.fragmentDefines;\n            if (!defines[symbol]) { // Haven't been defined by user\n                if (value === 'false') {\n                    defines[symbol] = false;\n                }\n                else if (value === 'true') {\n                    defines[symbol] = true;\n                }\n                else {\n                    defines[symbol] = value\n                        // If can parse to float\n                        ? (isNaN(parseFloat(value)) ? value.trim() : parseFloat(value))\n                        : null;\n                }\n            }\n            return '';\n        }\n    },\n\n    /**\n     * Clone a new shader\n     * @return {clay.Shader}\n     */\n    clone: function () {\n        var code = shaderCodeCache[this._shaderID];\n        var shader = new Shader(code.vertex, code.fragment);\n        return shader;\n    }\n};\n\nif (Object.defineProperty) {\n    Object.defineProperty(Shader.prototype, 'shaderID', {\n        get: function () {\n            return this._shaderID;\n        }\n    });\n    Object.defineProperty(Shader.prototype, 'vertex', {\n        get: function () {\n            return this._vertexCode;\n        }\n    });\n    Object.defineProperty(Shader.prototype, 'fragment', {\n        get: function () {\n            return this._fragmentCode;\n        }\n    });\n    Object.defineProperty(Shader.prototype, 'uniforms', {\n        get: function () {\n            return this._uniformList;\n        }\n    });\n}\n\nvar importRegex = /(@import)\\s*([0-9a-zA-Z_\\-\\.]*)/g;\nShader.parseImport = function (shaderStr) {\n    shaderStr = shaderStr.replace(importRegex, function (str, importSymbol, importName) {\n        var str = Shader.source(importName);\n        if (str) {\n            // Recursively parse\n            return Shader.parseImport(str);\n        }\n        else {\n            console.error('Shader chunk \"' + importName + '\" not existed in library');\n            return '';\n        }\n    });\n    return shaderStr;\n};\n\nvar exportRegex = /(@export)\\s*([0-9a-zA-Z_\\-\\.]*)\\s*\\n([\\s\\S]*?)@end/g;\n\n/**\n * Import shader source\n * @param  {string} shaderStr\n * @memberOf clay.Shader\n */\nShader['import'] = function (shaderStr) {\n    shaderStr.replace(exportRegex, function (str, exportSymbol, exportName, code) {\n        var code = code.replace(/(^[\\s\\t\\xa0\\u3000]+)|([\\u3000\\xa0\\s\\t]+\\x24)/g, '');\n        if (code) {\n            var parts = exportName.split('.');\n            var obj = Shader.codes;\n            var i = 0;\n            var key;\n            while (i < parts.length - 1) {\n                key = parts[i++];\n                if (!obj[key]) {\n                    obj[key] = {};\n                }\n                obj = obj[key];\n            }\n            key = parts[i];\n            obj[key] = code;\n        }\n        return code;\n    });\n};\n\n/**\n * Library to store all the loaded shader codes\n * @type {Object}\n * @readOnly\n * @memberOf clay.Shader\n */\nShader.codes = {};\n\n/**\n * Get shader source\n * @param  {string} name\n * @return {string}\n */\nShader.source = function (name) {\n    var parts = name.split('.');\n    var obj = Shader.codes;\n    var i = 0;\n    while (obj && i < parts.length) {\n        var key = parts[i++];\n        obj = obj[key];\n    }\n    if (typeof obj !== 'string') {\n        // FIXME Use default instead\n        console.error('Shader \"' + name + '\" not existed in library');\n        return '';\n    }\n    return obj;\n};\n\nexport default Shader;\n","export default \"@export clay.prez.vertex\\nuniform mat4 WVP : WORLDVIEWPROJECTION;\\nattribute vec3 pos : POSITION;\\nattribute vec2 uv : TEXCOORD_0;\\nuniform vec2 uvRepeat : [1.0, 1.0];\\nuniform vec2 uvOffset : [0.0, 0.0];\\n@import clay.chunk.skinning_header\\n@import clay.chunk.instancing_header\\nvarying vec2 v_Texcoord;\\nvoid main()\\n{\\n vec4 P = vec4(pos, 1.0);\\n#ifdef SKINNING\\n @import clay.chunk.skin_matrix\\n P = skinMatrixWS * P;\\n#endif\\n#ifdef INSTANCING\\n @import clay.chunk.instancing_matrix\\n P = instanceMat * P;\\n#endif\\n gl_Position = WVP * P;\\n v_Texcoord = uv * uvRepeat + uvOffset;\\n}\\n@end\\n@export clay.prez.fragment\\nuniform sampler2D alphaMap;\\nuniform float alphaCutoff: 0.0;\\nvarying vec2 v_Texcoord;\\nvoid main()\\n{\\n if (alphaCutoff > 0.0) {\\n if (texture2D(alphaMap, v_Texcoord).a <= alphaCutoff) {\\n discard;\\n }\\n }\\n gl_FragColor = vec4(0.0,0.0,0.0,1.0);\\n}\\n@end\";\n","\n/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.\n\nRedistribution and use in source and binary forms, with or without modification,\nare permitted provided that the following conditions are met:\n\n  * Redistributions of source code must retain the above copyright notice, this\n    list of conditions and the following disclaimer.\n  * Redistributions in binary form must reproduce the above copyright notice,\n    this list of conditions and the following disclaimer in the documentation\n    and/or other materials provided with the distribution.\n\nTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\nANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\nWARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\nDISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR\nANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\nLOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\nANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\nSOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */\n\nimport {GLMAT_EPSILON, GLMAT_ARRAY_TYPE } from './common';\n\n/**\n * @class 4x4 Matrix\n * @name mat4\n */\n\nvar mat4 = {};\n\n/**\n * Creates a new identity mat4\n *\n * @returns {mat4} a new 4x4 matrix\n */\nmat4.create = function() {\n    var out = new GLMAT_ARRAY_TYPE(16);\n    out[0] = 1;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 0;\n    out[4] = 0;\n    out[5] = 1;\n    out[6] = 0;\n    out[7] = 0;\n    out[8] = 0;\n    out[9] = 0;\n    out[10] = 1;\n    out[11] = 0;\n    out[12] = 0;\n    out[13] = 0;\n    out[14] = 0;\n    out[15] = 1;\n    return out;\n};\n\n/**\n * Creates a new mat4 initialized with values from an existing matrix\n *\n * @param {mat4} a matrix to clone\n * @returns {mat4} a new 4x4 matrix\n */\nmat4.clone = function(a) {\n    var out = new GLMAT_ARRAY_TYPE(16);\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[3];\n    out[4] = a[4];\n    out[5] = a[5];\n    out[6] = a[6];\n    out[7] = a[7];\n    out[8] = a[8];\n    out[9] = a[9];\n    out[10] = a[10];\n    out[11] = a[11];\n    out[12] = a[12];\n    out[13] = a[13];\n    out[14] = a[14];\n    out[15] = a[15];\n    return out;\n};\n\n/**\n * Copy the values from one mat4 to another\n *\n * @param {mat4} out the receiving matrix\n * @param {mat4} a the source matrix\n * @returns {mat4} out\n */\nmat4.copy = function(out, a) {\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[3];\n    out[4] = a[4];\n    out[5] = a[5];\n    out[6] = a[6];\n    out[7] = a[7];\n    out[8] = a[8];\n    out[9] = a[9];\n    out[10] = a[10];\n    out[11] = a[11];\n    out[12] = a[12];\n    out[13] = a[13];\n    out[14] = a[14];\n    out[15] = a[15];\n    return out;\n};\n\n/**\n * Set a mat4 to the identity matrix\n *\n * @param {mat4} out the receiving matrix\n * @returns {mat4} out\n */\nmat4.identity = function(out) {\n    out[0] = 1;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 0;\n    out[4] = 0;\n    out[5] = 1;\n    out[6] = 0;\n    out[7] = 0;\n    out[8] = 0;\n    out[9] = 0;\n    out[10] = 1;\n    out[11] = 0;\n    out[12] = 0;\n    out[13] = 0;\n    out[14] = 0;\n    out[15] = 1;\n    return out;\n};\n\n/**\n * Transpose the values of a mat4\n *\n * @param {mat4} out the receiving matrix\n * @param {mat4} a the source matrix\n * @returns {mat4} out\n */\nmat4.transpose = function(out, a) {\n    // If we are transposing ourselves we can skip a few steps but have to cache some values\n    if (out === a) {\n        var a01 = a[1], a02 = a[2], a03 = a[3],\n            a12 = a[6], a13 = a[7],\n            a23 = a[11];\n\n        out[1] = a[4];\n        out[2] = a[8];\n        out[3] = a[12];\n        out[4] = a01;\n        out[6] = a[9];\n        out[7] = a[13];\n        out[8] = a02;\n        out[9] = a12;\n        out[11] = a[14];\n        out[12] = a03;\n        out[13] = a13;\n        out[14] = a23;\n    } else {\n        out[0] = a[0];\n        out[1] = a[4];\n        out[2] = a[8];\n        out[3] = a[12];\n        out[4] = a[1];\n        out[5] = a[5];\n        out[6] = a[9];\n        out[7] = a[13];\n        out[8] = a[2];\n        out[9] = a[6];\n        out[10] = a[10];\n        out[11] = a[14];\n        out[12] = a[3];\n        out[13] = a[7];\n        out[14] = a[11];\n        out[15] = a[15];\n    }\n\n    return out;\n};\n\n/**\n * Inverts a mat4\n *\n * @param {mat4} out the receiving matrix\n * @param {mat4} a the source matrix\n * @returns {mat4} out\n */\nmat4.invert = function(out, a) {\n    var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],\n        a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],\n        a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],\n        a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],\n\n        b00 = a00 * a11 - a01 * a10,\n        b01 = a00 * a12 - a02 * a10,\n        b02 = a00 * a13 - a03 * a10,\n        b03 = a01 * a12 - a02 * a11,\n        b04 = a01 * a13 - a03 * a11,\n        b05 = a02 * a13 - a03 * a12,\n        b06 = a20 * a31 - a21 * a30,\n        b07 = a20 * a32 - a22 * a30,\n        b08 = a20 * a33 - a23 * a30,\n        b09 = a21 * a32 - a22 * a31,\n        b10 = a21 * a33 - a23 * a31,\n        b11 = a22 * a33 - a23 * a32,\n\n        // Calculate the determinant\n        det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;\n\n    if (!det) {\n        return null;\n    }\n    det = 1.0 / det;\n\n    out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det;\n    out[1] = (a02 * b10 - a01 * b11 - a03 * b09) * det;\n    out[2] = (a31 * b05 - a32 * b04 + a33 * b03) * det;\n    out[3] = (a22 * b04 - a21 * b05 - a23 * b03) * det;\n    out[4] = (a12 * b08 - a10 * b11 - a13 * b07) * det;\n    out[5] = (a00 * b11 - a02 * b08 + a03 * b07) * det;\n    out[6] = (a32 * b02 - a30 * b05 - a33 * b01) * det;\n    out[7] = (a20 * b05 - a22 * b02 + a23 * b01) * det;\n    out[8] = (a10 * b10 - a11 * b08 + a13 * b06) * det;\n    out[9] = (a01 * b08 - a00 * b10 - a03 * b06) * det;\n    out[10] = (a30 * b04 - a31 * b02 + a33 * b00) * det;\n    out[11] = (a21 * b02 - a20 * b04 - a23 * b00) * det;\n    out[12] = (a11 * b07 - a10 * b09 - a12 * b06) * det;\n    out[13] = (a00 * b09 - a01 * b07 + a02 * b06) * det;\n    out[14] = (a31 * b01 - a30 * b03 - a32 * b00) * det;\n    out[15] = (a20 * b03 - a21 * b01 + a22 * b00) * det;\n\n    return out;\n};\n\n/**\n * Calculates the adjugate of a mat4\n *\n * @param {mat4} out the receiving matrix\n * @param {mat4} a the source matrix\n * @returns {mat4} out\n */\nmat4.adjoint = function(out, a) {\n    var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],\n        a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],\n        a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],\n        a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15];\n\n    out[0]  =  (a11 * (a22 * a33 - a23 * a32) - a21 * (a12 * a33 - a13 * a32) + a31 * (a12 * a23 - a13 * a22));\n    out[1]  = -(a01 * (a22 * a33 - a23 * a32) - a21 * (a02 * a33 - a03 * a32) + a31 * (a02 * a23 - a03 * a22));\n    out[2]  =  (a01 * (a12 * a33 - a13 * a32) - a11 * (a02 * a33 - a03 * a32) + a31 * (a02 * a13 - a03 * a12));\n    out[3]  = -(a01 * (a12 * a23 - a13 * a22) - a11 * (a02 * a23 - a03 * a22) + a21 * (a02 * a13 - a03 * a12));\n    out[4]  = -(a10 * (a22 * a33 - a23 * a32) - a20 * (a12 * a33 - a13 * a32) + a30 * (a12 * a23 - a13 * a22));\n    out[5]  =  (a00 * (a22 * a33 - a23 * a32) - a20 * (a02 * a33 - a03 * a32) + a30 * (a02 * a23 - a03 * a22));\n    out[6]  = -(a00 * (a12 * a33 - a13 * a32) - a10 * (a02 * a33 - a03 * a32) + a30 * (a02 * a13 - a03 * a12));\n    out[7]  =  (a00 * (a12 * a23 - a13 * a22) - a10 * (a02 * a23 - a03 * a22) + a20 * (a02 * a13 - a03 * a12));\n    out[8]  =  (a10 * (a21 * a33 - a23 * a31) - a20 * (a11 * a33 - a13 * a31) + a30 * (a11 * a23 - a13 * a21));\n    out[9]  = -(a00 * (a21 * a33 - a23 * a31) - a20 * (a01 * a33 - a03 * a31) + a30 * (a01 * a23 - a03 * a21));\n    out[10] =  (a00 * (a11 * a33 - a13 * a31) - a10 * (a01 * a33 - a03 * a31) + a30 * (a01 * a13 - a03 * a11));\n    out[11] = -(a00 * (a11 * a23 - a13 * a21) - a10 * (a01 * a23 - a03 * a21) + a20 * (a01 * a13 - a03 * a11));\n    out[12] = -(a10 * (a21 * a32 - a22 * a31) - a20 * (a11 * a32 - a12 * a31) + a30 * (a11 * a22 - a12 * a21));\n    out[13] =  (a00 * (a21 * a32 - a22 * a31) - a20 * (a01 * a32 - a02 * a31) + a30 * (a01 * a22 - a02 * a21));\n    out[14] = -(a00 * (a11 * a32 - a12 * a31) - a10 * (a01 * a32 - a02 * a31) + a30 * (a01 * a12 - a02 * a11));\n    out[15] =  (a00 * (a11 * a22 - a12 * a21) - a10 * (a01 * a22 - a02 * a21) + a20 * (a01 * a12 - a02 * a11));\n    return out;\n};\n\n/**\n * Calculates the determinant of a mat4\n *\n * @param {mat4} a the source matrix\n * @returns {Number} determinant of a\n */\nmat4.determinant = function (a) {\n    var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],\n        a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],\n        a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],\n        a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],\n\n        b00 = a00 * a11 - a01 * a10,\n        b01 = a00 * a12 - a02 * a10,\n        b02 = a00 * a13 - a03 * a10,\n        b03 = a01 * a12 - a02 * a11,\n        b04 = a01 * a13 - a03 * a11,\n        b05 = a02 * a13 - a03 * a12,\n        b06 = a20 * a31 - a21 * a30,\n        b07 = a20 * a32 - a22 * a30,\n        b08 = a20 * a33 - a23 * a30,\n        b09 = a21 * a32 - a22 * a31,\n        b10 = a21 * a33 - a23 * a31,\n        b11 = a22 * a33 - a23 * a32;\n\n    // Calculate the determinant\n    return b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;\n};\n\n/**\n * Multiplies two mat4's\n *\n * @param {mat4} out the receiving matrix\n * @param {mat4} a the first operand\n * @param {mat4} b the second operand\n * @returns {mat4} out\n */\nmat4.multiply = function (out, a, b) {\n    var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],\n        a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],\n        a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],\n        a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15];\n\n    // Cache only the current line of the second matrix\n    var b0  = b[0], b1 = b[1], b2 = b[2], b3 = b[3];\n    out[0] = b0*a00 + b1*a10 + b2*a20 + b3*a30;\n    out[1] = b0*a01 + b1*a11 + b2*a21 + b3*a31;\n    out[2] = b0*a02 + b1*a12 + b2*a22 + b3*a32;\n    out[3] = b0*a03 + b1*a13 + b2*a23 + b3*a33;\n\n    b0 = b[4]; b1 = b[5]; b2 = b[6]; b3 = b[7];\n    out[4] = b0*a00 + b1*a10 + b2*a20 + b3*a30;\n    out[5] = b0*a01 + b1*a11 + b2*a21 + b3*a31;\n    out[6] = b0*a02 + b1*a12 + b2*a22 + b3*a32;\n    out[7] = b0*a03 + b1*a13 + b2*a23 + b3*a33;\n\n    b0 = b[8]; b1 = b[9]; b2 = b[10]; b3 = b[11];\n    out[8] = b0*a00 + b1*a10 + b2*a20 + b3*a30;\n    out[9] = b0*a01 + b1*a11 + b2*a21 + b3*a31;\n    out[10] = b0*a02 + b1*a12 + b2*a22 + b3*a32;\n    out[11] = b0*a03 + b1*a13 + b2*a23 + b3*a33;\n\n    b0 = b[12]; b1 = b[13]; b2 = b[14]; b3 = b[15];\n    out[12] = b0*a00 + b1*a10 + b2*a20 + b3*a30;\n    out[13] = b0*a01 + b1*a11 + b2*a21 + b3*a31;\n    out[14] = b0*a02 + b1*a12 + b2*a22 + b3*a32;\n    out[15] = b0*a03 + b1*a13 + b2*a23 + b3*a33;\n    return out;\n};\n\n/**\n * Multiplies two affine mat4's\n * Add by https://github.com/pissang\n * @param {mat4} out the receiving matrix\n * @param {mat4} a the first operand\n * @param {mat4} b the second operand\n * @returns {mat4} out\n */\nmat4.multiplyAffine = function (out, a, b) {\n    var a00 = a[0], a01 = a[1], a02 = a[2],\n        a10 = a[4], a11 = a[5], a12 = a[6],\n        a20 = a[8], a21 = a[9], a22 = a[10],\n        a30 = a[12], a31 = a[13], a32 = a[14];\n\n    // Cache only the current line of the second matrix\n    var b0  = b[0], b1 = b[1], b2 = b[2];\n    out[0] = b0*a00 + b1*a10 + b2*a20;\n    out[1] = b0*a01 + b1*a11 + b2*a21;\n    out[2] = b0*a02 + b1*a12 + b2*a22;\n    // out[3] = 0;\n\n    b0 = b[4]; b1 = b[5]; b2 = b[6];\n    out[4] = b0*a00 + b1*a10 + b2*a20;\n    out[5] = b0*a01 + b1*a11 + b2*a21;\n    out[6] = b0*a02 + b1*a12 + b2*a22;\n    // out[7] = 0;\n\n    b0 = b[8]; b1 = b[9]; b2 = b[10];\n    out[8] = b0*a00 + b1*a10 + b2*a20;\n    out[9] = b0*a01 + b1*a11 + b2*a21;\n    out[10] = b0*a02 + b1*a12 + b2*a22;\n    // out[11] = 0;\n\n    b0 = b[12]; b1 = b[13]; b2 = b[14];\n    out[12] = b0*a00 + b1*a10 + b2*a20 + a30;\n    out[13] = b0*a01 + b1*a11 + b2*a21 + a31;\n    out[14] = b0*a02 + b1*a12 + b2*a22 + a32;\n    // out[15] = 1;\n    return out;\n};\n\n/**\n * Alias for {@link mat4.multiply}\n * @function\n */\nmat4.mul = mat4.multiply;\n\n/**\n * Alias for {@link mat4.multiplyAffine}\n * @function\n */\nmat4.mulAffine = mat4.multiplyAffine;\n/**\n * Translate a mat4 by the given vector\n *\n * @param {mat4} out the receiving matrix\n * @param {mat4} a the matrix to translate\n * @param {vec3} v vector to translate by\n * @returns {mat4} out\n */\nmat4.translate = function (out, a, v) {\n    var x = v[0], y = v[1], z = v[2],\n        a00, a01, a02, a03,\n        a10, a11, a12, a13,\n        a20, a21, a22, a23;\n\n    if (a === out) {\n        out[12] = a[0] * x + a[4] * y + a[8] * z + a[12];\n        out[13] = a[1] * x + a[5] * y + a[9] * z + a[13];\n        out[14] = a[2] * x + a[6] * y + a[10] * z + a[14];\n        out[15] = a[3] * x + a[7] * y + a[11] * z + a[15];\n    } else {\n        a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3];\n        a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7];\n        a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11];\n\n        out[0] = a00; out[1] = a01; out[2] = a02; out[3] = a03;\n        out[4] = a10; out[5] = a11; out[6] = a12; out[7] = a13;\n        out[8] = a20; out[9] = a21; out[10] = a22; out[11] = a23;\n\n        out[12] = a00 * x + a10 * y + a20 * z + a[12];\n        out[13] = a01 * x + a11 * y + a21 * z + a[13];\n        out[14] = a02 * x + a12 * y + a22 * z + a[14];\n        out[15] = a03 * x + a13 * y + a23 * z + a[15];\n    }\n\n    return out;\n};\n\n/**\n * Scales the mat4 by the dimensions in the given vec3\n *\n * @param {mat4} out the receiving matrix\n * @param {mat4} a the matrix to scale\n * @param {vec3} v the vec3 to scale the matrix by\n * @returns {mat4} out\n **/\nmat4.scale = function(out, a, v) {\n    var x = v[0], y = v[1], z = v[2];\n\n    out[0] = a[0] * x;\n    out[1] = a[1] * x;\n    out[2] = a[2] * x;\n    out[3] = a[3] * x;\n    out[4] = a[4] * y;\n    out[5] = a[5] * y;\n    out[6] = a[6] * y;\n    out[7] = a[7] * y;\n    out[8] = a[8] * z;\n    out[9] = a[9] * z;\n    out[10] = a[10] * z;\n    out[11] = a[11] * z;\n    out[12] = a[12];\n    out[13] = a[13];\n    out[14] = a[14];\n    out[15] = a[15];\n    return out;\n};\n\n/**\n * Rotates a mat4 by the given angle\n *\n * @param {mat4} out the receiving matrix\n * @param {mat4} a the matrix to rotate\n * @param {Number} rad the angle to rotate the matrix by\n * @param {vec3} axis the axis to rotate around\n * @returns {mat4} out\n */\nmat4.rotate = function (out, a, rad, axis) {\n    var x = axis[0], y = axis[1], z = axis[2],\n        len = Math.sqrt(x * x + y * y + z * z),\n        s, c, t,\n        a00, a01, a02, a03,\n        a10, a11, a12, a13,\n        a20, a21, a22, a23,\n        b00, b01, b02,\n        b10, b11, b12,\n        b20, b21, b22;\n\n    if (Math.abs(len) < GLMAT_EPSILON) { return null; }\n\n    len = 1 / len;\n    x *= len;\n    y *= len;\n    z *= len;\n\n    s = Math.sin(rad);\n    c = Math.cos(rad);\n    t = 1 - c;\n\n    a00 = a[0]; a01 = a[1]; a02 = a[2]; a03 = a[3];\n    a10 = a[4]; a11 = a[5]; a12 = a[6]; a13 = a[7];\n    a20 = a[8]; a21 = a[9]; a22 = a[10]; a23 = a[11];\n\n    // Construct the elements of the rotation matrix\n    b00 = x * x * t + c; b01 = y * x * t + z * s; b02 = z * x * t - y * s;\n    b10 = x * y * t - z * s; b11 = y * y * t + c; b12 = z * y * t + x * s;\n    b20 = x * z * t + y * s; b21 = y * z * t - x * s; b22 = z * z * t + c;\n\n    // Perform rotation-specific matrix multiplication\n    out[0] = a00 * b00 + a10 * b01 + a20 * b02;\n    out[1] = a01 * b00 + a11 * b01 + a21 * b02;\n    out[2] = a02 * b00 + a12 * b01 + a22 * b02;\n    out[3] = a03 * b00 + a13 * b01 + a23 * b02;\n    out[4] = a00 * b10 + a10 * b11 + a20 * b12;\n    out[5] = a01 * b10 + a11 * b11 + a21 * b12;\n    out[6] = a02 * b10 + a12 * b11 + a22 * b12;\n    out[7] = a03 * b10 + a13 * b11 + a23 * b12;\n    out[8] = a00 * b20 + a10 * b21 + a20 * b22;\n    out[9] = a01 * b20 + a11 * b21 + a21 * b22;\n    out[10] = a02 * b20 + a12 * b21 + a22 * b22;\n    out[11] = a03 * b20 + a13 * b21 + a23 * b22;\n\n    if (a !== out) { // If the source and destination differ, copy the unchanged last row\n        out[12] = a[12];\n        out[13] = a[13];\n        out[14] = a[14];\n        out[15] = a[15];\n    }\n    return out;\n};\n\n/**\n * Rotates a matrix by the given angle around the X axis\n *\n * @param {mat4} out the receiving matrix\n * @param {mat4} a the matrix to rotate\n * @param {Number} rad the angle to rotate the matrix by\n * @returns {mat4} out\n */\nmat4.rotateX = function (out, a, rad) {\n    var s = Math.sin(rad),\n        c = Math.cos(rad),\n        a10 = a[4],\n        a11 = a[5],\n        a12 = a[6],\n        a13 = a[7],\n        a20 = a[8],\n        a21 = a[9],\n        a22 = a[10],\n        a23 = a[11];\n\n    if (a !== out) { // If the source and destination differ, copy the unchanged rows\n        out[0]  = a[0];\n        out[1]  = a[1];\n        out[2]  = a[2];\n        out[3]  = a[3];\n        out[12] = a[12];\n        out[13] = a[13];\n        out[14] = a[14];\n        out[15] = a[15];\n    }\n\n    // Perform axis-specific matrix multiplication\n    out[4] = a10 * c + a20 * s;\n    out[5] = a11 * c + a21 * s;\n    out[6] = a12 * c + a22 * s;\n    out[7] = a13 * c + a23 * s;\n    out[8] = a20 * c - a10 * s;\n    out[9] = a21 * c - a11 * s;\n    out[10] = a22 * c - a12 * s;\n    out[11] = a23 * c - a13 * s;\n    return out;\n};\n\n/**\n * Rotates a matrix by the given angle around the Y axis\n *\n * @param {mat4} out the receiving matrix\n * @param {mat4} a the matrix to rotate\n * @param {Number} rad the angle to rotate the matrix by\n * @returns {mat4} out\n */\nmat4.rotateY = function (out, a, rad) {\n    var s = Math.sin(rad),\n        c = Math.cos(rad),\n        a00 = a[0],\n        a01 = a[1],\n        a02 = a[2],\n        a03 = a[3],\n        a20 = a[8],\n        a21 = a[9],\n        a22 = a[10],\n        a23 = a[11];\n\n    if (a !== out) { // If the source and destination differ, copy the unchanged rows\n        out[4]  = a[4];\n        out[5]  = a[5];\n        out[6]  = a[6];\n        out[7]  = a[7];\n        out[12] = a[12];\n        out[13] = a[13];\n        out[14] = a[14];\n        out[15] = a[15];\n    }\n\n    // Perform axis-specific matrix multiplication\n    out[0] = a00 * c - a20 * s;\n    out[1] = a01 * c - a21 * s;\n    out[2] = a02 * c - a22 * s;\n    out[3] = a03 * c - a23 * s;\n    out[8] = a00 * s + a20 * c;\n    out[9] = a01 * s + a21 * c;\n    out[10] = a02 * s + a22 * c;\n    out[11] = a03 * s + a23 * c;\n    return out;\n};\n\n/**\n * Rotates a matrix by the given angle around the Z axis\n *\n * @param {mat4} out the receiving matrix\n * @param {mat4} a the matrix to rotate\n * @param {Number} rad the angle to rotate the matrix by\n * @returns {mat4} out\n */\nmat4.rotateZ = function (out, a, rad) {\n    var s = Math.sin(rad),\n        c = Math.cos(rad),\n        a00 = a[0],\n        a01 = a[1],\n        a02 = a[2],\n        a03 = a[3],\n        a10 = a[4],\n        a11 = a[5],\n        a12 = a[6],\n        a13 = a[7];\n\n    if (a !== out) { // If the source and destination differ, copy the unchanged last row\n        out[8]  = a[8];\n        out[9]  = a[9];\n        out[10] = a[10];\n        out[11] = a[11];\n        out[12] = a[12];\n        out[13] = a[13];\n        out[14] = a[14];\n        out[15] = a[15];\n    }\n\n    // Perform axis-specific matrix multiplication\n    out[0] = a00 * c + a10 * s;\n    out[1] = a01 * c + a11 * s;\n    out[2] = a02 * c + a12 * s;\n    out[3] = a03 * c + a13 * s;\n    out[4] = a10 * c - a00 * s;\n    out[5] = a11 * c - a01 * s;\n    out[6] = a12 * c - a02 * s;\n    out[7] = a13 * c - a03 * s;\n    return out;\n};\n\n/**\n * Creates a matrix from a quaternion rotation and vector translation\n * This is equivalent to (but much faster than):\n *\n *     mat4.identity(dest);\n *     mat4.translate(dest, vec);\n *     var quatMat = mat4.create();\n *     quat4.toMat4(quat, quatMat);\n *     mat4.multiply(dest, quatMat);\n *\n * @param {mat4} out mat4 receiving operation result\n * @param {quat4} q Rotation quaternion\n * @param {vec3} v Translation vector\n * @returns {mat4} out\n */\nmat4.fromRotationTranslation = function (out, q, v) {\n    // Quaternion math\n    var x = q[0], y = q[1], z = q[2], w = q[3],\n        x2 = x + x,\n        y2 = y + y,\n        z2 = z + z,\n\n        xx = x * x2,\n        xy = x * y2,\n        xz = x * z2,\n        yy = y * y2,\n        yz = y * z2,\n        zz = z * z2,\n        wx = w * x2,\n        wy = w * y2,\n        wz = w * z2;\n\n    out[0] = 1 - (yy + zz);\n    out[1] = xy + wz;\n    out[2] = xz - wy;\n    out[3] = 0;\n    out[4] = xy - wz;\n    out[5] = 1 - (xx + zz);\n    out[6] = yz + wx;\n    out[7] = 0;\n    out[8] = xz + wy;\n    out[9] = yz - wx;\n    out[10] = 1 - (xx + yy);\n    out[11] = 0;\n    out[12] = v[0];\n    out[13] = v[1];\n    out[14] = v[2];\n    out[15] = 1;\n\n    return out;\n};\n\nmat4.fromQuat = function (out, q) {\n    var x = q[0], y = q[1], z = q[2], w = q[3],\n        x2 = x + x,\n        y2 = y + y,\n        z2 = z + z,\n\n        xx = x * x2,\n        yx = y * x2,\n        yy = y * y2,\n        zx = z * x2,\n        zy = z * y2,\n        zz = z * z2,\n        wx = w * x2,\n        wy = w * y2,\n        wz = w * z2;\n\n    out[0] = 1 - yy - zz;\n    out[1] = yx + wz;\n    out[2] = zx - wy;\n    out[3] = 0;\n\n    out[4] = yx - wz;\n    out[5] = 1 - xx - zz;\n    out[6] = zy + wx;\n    out[7] = 0;\n\n    out[8] = zx + wy;\n    out[9] = zy - wx;\n    out[10] = 1 - xx - yy;\n    out[11] = 0;\n\n    out[12] = 0;\n    out[13] = 0;\n    out[14] = 0;\n    out[15] = 1;\n\n    return out;\n};\n\n/**\n * Generates a frustum matrix with the given bounds\n *\n * @param {mat4} out mat4 frustum matrix will be written into\n * @param {Number} left Left bound of the frustum\n * @param {Number} right Right bound of the frustum\n * @param {Number} bottom Bottom bound of the frustum\n * @param {Number} top Top bound of the frustum\n * @param {Number} near Near bound of the frustum\n * @param {Number} far Far bound of the frustum\n * @returns {mat4} out\n */\nmat4.frustum = function (out, left, right, bottom, top, near, far) {\n    var rl = 1 / (right - left),\n        tb = 1 / (top - bottom),\n        nf = 1 / (near - far);\n    out[0] = (near * 2) * rl;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 0;\n    out[4] = 0;\n    out[5] = (near * 2) * tb;\n    out[6] = 0;\n    out[7] = 0;\n    out[8] = (right + left) * rl;\n    out[9] = (top + bottom) * tb;\n    out[10] = (far + near) * nf;\n    out[11] = -1;\n    out[12] = 0;\n    out[13] = 0;\n    out[14] = (far * near * 2) * nf;\n    out[15] = 0;\n    return out;\n};\n\n/**\n * Generates a perspective projection matrix with the given bounds\n *\n * @param {mat4} out mat4 frustum matrix will be written into\n * @param {number} fovy Vertical field of view in radians\n * @param {number} aspect Aspect ratio. typically viewport width/height\n * @param {number} near Near bound of the frustum\n * @param {number} far Far bound of the frustum\n * @returns {mat4} out\n */\nmat4.perspective = function (out, fovy, aspect, near, far) {\n    var f = 1.0 / Math.tan(fovy / 2),\n        nf = 1 / (near - far);\n    out[0] = f / aspect;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 0;\n    out[4] = 0;\n    out[5] = f;\n    out[6] = 0;\n    out[7] = 0;\n    out[8] = 0;\n    out[9] = 0;\n    out[10] = (far + near) * nf;\n    out[11] = -1;\n    out[12] = 0;\n    out[13] = 0;\n    out[14] = (2 * far * near) * nf;\n    out[15] = 0;\n    return out;\n};\n\n/**\n * Generates a orthogonal projection matrix with the given bounds\n *\n * @param {mat4} out mat4 frustum matrix will be written into\n * @param {number} left Left bound of the frustum\n * @param {number} right Right bound of the frustum\n * @param {number} bottom Bottom bound of the frustum\n * @param {number} top Top bound of the frustum\n * @param {number} near Near bound of the frustum\n * @param {number} far Far bound of the frustum\n * @returns {mat4} out\n */\nmat4.ortho = function (out, left, right, bottom, top, near, far) {\n    var lr = 1 / (left - right),\n        bt = 1 / (bottom - top),\n        nf = 1 / (near - far);\n    out[0] = -2 * lr;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 0;\n    out[4] = 0;\n    out[5] = -2 * bt;\n    out[6] = 0;\n    out[7] = 0;\n    out[8] = 0;\n    out[9] = 0;\n    out[10] = 2 * nf;\n    out[11] = 0;\n    out[12] = (left + right) * lr;\n    out[13] = (top + bottom) * bt;\n    out[14] = (far + near) * nf;\n    out[15] = 1;\n    return out;\n};\n\n/**\n * Generates a look-at matrix with the given eye position, focal point, and up axis\n *\n * @param {mat4} out mat4 frustum matrix will be written into\n * @param {vec3} eye Position of the viewer\n * @param {vec3} center Point the viewer is looking at\n * @param {vec3} up vec3 pointing up\n * @returns {mat4} out\n */\nmat4.lookAt = function (out, eye, center, up) {\n    var x0, x1, x2, y0, y1, y2, z0, z1, z2, len,\n        eyex = eye[0],\n        eyey = eye[1],\n        eyez = eye[2],\n        upx = up[0],\n        upy = up[1],\n        upz = up[2],\n        centerx = center[0],\n        centery = center[1],\n        centerz = center[2];\n\n    if (Math.abs(eyex - centerx) < GLMAT_EPSILON &&\n        Math.abs(eyey - centery) < GLMAT_EPSILON &&\n        Math.abs(eyez - centerz) < GLMAT_EPSILON) {\n        return mat4.identity(out);\n    }\n\n    z0 = eyex - centerx;\n    z1 = eyey - centery;\n    z2 = eyez - centerz;\n\n    len = 1 / Math.sqrt(z0 * z0 + z1 * z1 + z2 * z2);\n    z0 *= len;\n    z1 *= len;\n    z2 *= len;\n\n    x0 = upy * z2 - upz * z1;\n    x1 = upz * z0 - upx * z2;\n    x2 = upx * z1 - upy * z0;\n    len = Math.sqrt(x0 * x0 + x1 * x1 + x2 * x2);\n    if (!len) {\n        x0 = 0;\n        x1 = 0;\n        x2 = 0;\n    } else {\n        len = 1 / len;\n        x0 *= len;\n        x1 *= len;\n        x2 *= len;\n    }\n\n    y0 = z1 * x2 - z2 * x1;\n    y1 = z2 * x0 - z0 * x2;\n    y2 = z0 * x1 - z1 * x0;\n\n    len = Math.sqrt(y0 * y0 + y1 * y1 + y2 * y2);\n    if (!len) {\n        y0 = 0;\n        y1 = 0;\n        y2 = 0;\n    } else {\n        len = 1 / len;\n        y0 *= len;\n        y1 *= len;\n        y2 *= len;\n    }\n\n    out[0] = x0;\n    out[1] = y0;\n    out[2] = z0;\n    out[3] = 0;\n    out[4] = x1;\n    out[5] = y1;\n    out[6] = z1;\n    out[7] = 0;\n    out[8] = x2;\n    out[9] = y2;\n    out[10] = z2;\n    out[11] = 0;\n    out[12] = -(x0 * eyex + x1 * eyey + x2 * eyez);\n    out[13] = -(y0 * eyex + y1 * eyey + y2 * eyez);\n    out[14] = -(z0 * eyex + z1 * eyey + z2 * eyez);\n    out[15] = 1;\n\n    return out;\n};\n\n/**\n * Returns Frobenius norm of a mat4\n *\n * @param {mat4} a the matrix to calculate Frobenius norm of\n * @returns {Number} Frobenius norm\n */\nmat4.frob = function (a) {\n    return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + Math.pow(a[6], 2) + Math.pow(a[7], 2) + Math.pow(a[8], 2) + Math.pow(a[9], 2) + Math.pow(a[10], 2) + Math.pow(a[11], 2) + Math.pow(a[12], 2) + Math.pow(a[13], 2) + Math.pow(a[14], 2) + Math.pow(a[15], 2) ))\n};\n\nexport default mat4;","\n/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.\n\nRedistribution and use in source and binary forms, with or without modification,\nare permitted provided that the following conditions are met:\n\n  * Redistributions of source code must retain the above copyright notice, this\n    list of conditions and the following disclaimer.\n  * Redistributions in binary form must reproduce the above copyright notice,\n    this list of conditions and the following disclaimer in the documentation\n    and/or other materials provided with the distribution.\n\nTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\nANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\nWARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\nDISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR\nANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\nLOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\nANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\nSOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */\n\nimport { GLMAT_RANDOM, GLMAT_ARRAY_TYPE } from './common';\n\n/**\n * @class 3 Dimensional Vector\n * @name vec3\n */\n\nvar vec3 = {};\n\n/**\n * Creates a new, empty vec3\n *\n * @returns {vec3} a new 3D vector\n */\nvec3.create = function() {\n    var out = new GLMAT_ARRAY_TYPE(3);\n    out[0] = 0;\n    out[1] = 0;\n    out[2] = 0;\n    return out;\n};\n\n/**\n * Creates a new vec3 initialized with values from an existing vector\n *\n * @param {vec3} a vector to clone\n * @returns {vec3} a new 3D vector\n */\nvec3.clone = function(a) {\n    var out = new GLMAT_ARRAY_TYPE(3);\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    return out;\n};\n\n/**\n * Creates a new vec3 initialized with the given values\n *\n * @param {Number} x X component\n * @param {Number} y Y component\n * @param {Number} z Z component\n * @returns {vec3} a new 3D vector\n */\nvec3.fromValues = function(x, y, z) {\n    var out = new GLMAT_ARRAY_TYPE(3);\n    out[0] = x;\n    out[1] = y;\n    out[2] = z;\n    return out;\n};\n\n/**\n * Copy the values from one vec3 to another\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the source vector\n * @returns {vec3} out\n */\nvec3.copy = function(out, a) {\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    return out;\n};\n\n/**\n * Set the components of a vec3 to the given values\n *\n * @param {vec3} out the receiving vector\n * @param {Number} x X component\n * @param {Number} y Y component\n * @param {Number} z Z component\n * @returns {vec3} out\n */\nvec3.set = function(out, x, y, z) {\n    out[0] = x;\n    out[1] = y;\n    out[2] = z;\n    return out;\n};\n\n/**\n * Adds two vec3's\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the first operand\n * @param {vec3} b the second operand\n * @returns {vec3} out\n */\nvec3.add = function(out, a, b) {\n    out[0] = a[0] + b[0];\n    out[1] = a[1] + b[1];\n    out[2] = a[2] + b[2];\n    return out;\n};\n\n/**\n * Subtracts vector b from vector a\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the first operand\n * @param {vec3} b the second operand\n * @returns {vec3} out\n */\nvec3.subtract = function(out, a, b) {\n    out[0] = a[0] - b[0];\n    out[1] = a[1] - b[1];\n    out[2] = a[2] - b[2];\n    return out;\n};\n\n/**\n * Alias for {@link vec3.subtract}\n * @function\n */\nvec3.sub = vec3.subtract;\n\n/**\n * Multiplies two vec3's\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the first operand\n * @param {vec3} b the second operand\n * @returns {vec3} out\n */\nvec3.multiply = function(out, a, b) {\n    out[0] = a[0] * b[0];\n    out[1] = a[1] * b[1];\n    out[2] = a[2] * b[2];\n    return out;\n};\n\n/**\n * Alias for {@link vec3.multiply}\n * @function\n */\nvec3.mul = vec3.multiply;\n\n/**\n * Divides two vec3's\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the first operand\n * @param {vec3} b the second operand\n * @returns {vec3} out\n */\nvec3.divide = function(out, a, b) {\n    out[0] = a[0] / b[0];\n    out[1] = a[1] / b[1];\n    out[2] = a[2] / b[2];\n    return out;\n};\n\n/**\n * Alias for {@link vec3.divide}\n * @function\n */\nvec3.div = vec3.divide;\n\n/**\n * Returns the minimum of two vec3's\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the first operand\n * @param {vec3} b the second operand\n * @returns {vec3} out\n */\nvec3.min = function(out, a, b) {\n    out[0] = Math.min(a[0], b[0]);\n    out[1] = Math.min(a[1], b[1]);\n    out[2] = Math.min(a[2], b[2]);\n    return out;\n};\n\n/**\n * Returns the maximum of two vec3's\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the first operand\n * @param {vec3} b the second operand\n * @returns {vec3} out\n */\nvec3.max = function(out, a, b) {\n    out[0] = Math.max(a[0], b[0]);\n    out[1] = Math.max(a[1], b[1]);\n    out[2] = Math.max(a[2], b[2]);\n    return out;\n};\n\n/**\n * Scales a vec3 by a scalar number\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the vector to scale\n * @param {Number} b amount to scale the vector by\n * @returns {vec3} out\n */\nvec3.scale = function(out, a, b) {\n    out[0] = a[0] * b;\n    out[1] = a[1] * b;\n    out[2] = a[2] * b;\n    return out;\n};\n\n/**\n * Adds two vec3's after scaling the second operand by a scalar value\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the first operand\n * @param {vec3} b the second operand\n * @param {Number} scale the amount to scale b by before adding\n * @returns {vec3} out\n */\nvec3.scaleAndAdd = function(out, a, b, scale) {\n    out[0] = a[0] + (b[0] * scale);\n    out[1] = a[1] + (b[1] * scale);\n    out[2] = a[2] + (b[2] * scale);\n    return out;\n};\n\n/**\n * Calculates the euclidian distance between two vec3's\n *\n * @param {vec3} a the first operand\n * @param {vec3} b the second operand\n * @returns {Number} distance between a and b\n */\nvec3.distance = function(a, b) {\n    var x = b[0] - a[0],\n        y = b[1] - a[1],\n        z = b[2] - a[2];\n    return Math.sqrt(x*x + y*y + z*z);\n};\n\n/**\n * Alias for {@link vec3.distance}\n * @function\n */\nvec3.dist = vec3.distance;\n\n/**\n * Calculates the squared euclidian distance between two vec3's\n *\n * @param {vec3} a the first operand\n * @param {vec3} b the second operand\n * @returns {Number} squared distance between a and b\n */\nvec3.squaredDistance = function(a, b) {\n    var x = b[0] - a[0],\n        y = b[1] - a[1],\n        z = b[2] - a[2];\n    return x*x + y*y + z*z;\n};\n\n/**\n * Alias for {@link vec3.squaredDistance}\n * @function\n */\nvec3.sqrDist = vec3.squaredDistance;\n\n/**\n * Calculates the length of a vec3\n *\n * @param {vec3} a vector to calculate length of\n * @returns {Number} length of a\n */\nvec3.length = function (a) {\n    var x = a[0],\n        y = a[1],\n        z = a[2];\n    return Math.sqrt(x*x + y*y + z*z);\n};\n\n/**\n * Alias for {@link vec3.length}\n * @function\n */\nvec3.len = vec3.length;\n\n/**\n * Calculates the squared length of a vec3\n *\n * @param {vec3} a vector to calculate squared length of\n * @returns {Number} squared length of a\n */\nvec3.squaredLength = function (a) {\n    var x = a[0],\n        y = a[1],\n        z = a[2];\n    return x*x + y*y + z*z;\n};\n\n/**\n * Alias for {@link vec3.squaredLength}\n * @function\n */\nvec3.sqrLen = vec3.squaredLength;\n\n/**\n * Negates the components of a vec3\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a vector to negate\n * @returns {vec3} out\n */\nvec3.negate = function(out, a) {\n    out[0] = -a[0];\n    out[1] = -a[1];\n    out[2] = -a[2];\n    return out;\n};\n\n/**\n * Returns the inverse of the components of a vec3\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a vector to invert\n * @returns {vec3} out\n */\nvec3.inverse = function(out, a) {\n  out[0] = 1.0 / a[0];\n  out[1] = 1.0 / a[1];\n  out[2] = 1.0 / a[2];\n  return out;\n};\n\n/**\n * Normalize a vec3\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a vector to normalize\n * @returns {vec3} out\n */\nvec3.normalize = function(out, a) {\n    var x = a[0],\n        y = a[1],\n        z = a[2];\n    var len = x*x + y*y + z*z;\n    if (len > 0) {\n        //TODO: evaluate use of glm_invsqrt here?\n        len = 1 / Math.sqrt(len);\n        out[0] = a[0] * len;\n        out[1] = a[1] * len;\n        out[2] = a[2] * len;\n    }\n    return out;\n};\n\n/**\n * Calculates the dot product of two vec3's\n *\n * @param {vec3} a the first operand\n * @param {vec3} b the second operand\n * @returns {Number} dot product of a and b\n */\nvec3.dot = function (a, b) {\n    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];\n};\n\n/**\n * Computes the cross product of two vec3's\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the first operand\n * @param {vec3} b the second operand\n * @returns {vec3} out\n */\nvec3.cross = function(out, a, b) {\n    var ax = a[0], ay = a[1], az = a[2],\n        bx = b[0], by = b[1], bz = b[2];\n\n    out[0] = ay * bz - az * by;\n    out[1] = az * bx - ax * bz;\n    out[2] = ax * by - ay * bx;\n    return out;\n};\n\n/**\n * Performs a linear interpolation between two vec3's\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the first operand\n * @param {vec3} b the second operand\n * @param {Number} t interpolation amount between the two inputs\n * @returns {vec3} out\n */\nvec3.lerp = function (out, a, b, t) {\n    var ax = a[0],\n        ay = a[1],\n        az = a[2];\n    out[0] = ax + t * (b[0] - ax);\n    out[1] = ay + t * (b[1] - ay);\n    out[2] = az + t * (b[2] - az);\n    return out;\n};\n\n/**\n * Generates a random vector with the given scale\n *\n * @param {vec3} out the receiving vector\n * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned\n * @returns {vec3} out\n */\nvec3.random = function (out, scale) {\n    scale = scale || 1.0;\n\n    var r = GLMAT_RANDOM() * 2.0 * Math.PI;\n    var z = (GLMAT_RANDOM() * 2.0) - 1.0;\n    var zScale = Math.sqrt(1.0-z*z) * scale;\n\n    out[0] = Math.cos(r) * zScale;\n    out[1] = Math.sin(r) * zScale;\n    out[2] = z * scale;\n    return out;\n};\n\n/**\n * Transforms the vec3 with a mat4.\n * 4th vector component is implicitly '1'\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the vector to transform\n * @param {mat4} m matrix to transform with\n * @returns {vec3} out\n */\nvec3.transformMat4 = function(out, a, m) {\n    var x = a[0], y = a[1], z = a[2],\n        w = m[3] * x + m[7] * y + m[11] * z + m[15];\n    w = w || 1.0;\n    out[0] = (m[0] * x + m[4] * y + m[8] * z + m[12]) / w;\n    out[1] = (m[1] * x + m[5] * y + m[9] * z + m[13]) / w;\n    out[2] = (m[2] * x + m[6] * y + m[10] * z + m[14]) / w;\n    return out;\n};\n\n/**\n * Transforms the vec3 with a mat3.\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the vector to transform\n * @param {mat4} m the 3x3 matrix to transform with\n * @returns {vec3} out\n */\nvec3.transformMat3 = function(out, a, m) {\n    var x = a[0], y = a[1], z = a[2];\n    out[0] = x * m[0] + y * m[3] + z * m[6];\n    out[1] = x * m[1] + y * m[4] + z * m[7];\n    out[2] = x * m[2] + y * m[5] + z * m[8];\n    return out;\n};\n\n/**\n * Transforms the vec3 with a quat\n *\n * @param {vec3} out the receiving vector\n * @param {vec3} a the vector to transform\n * @param {quat} q quaternion to transform with\n * @returns {vec3} out\n */\nvec3.transformQuat = function(out, a, q) {\n    // benchmarks: http://jsperf.com/quaternion-transform-vec3-implementations\n\n    var x = a[0], y = a[1], z = a[2],\n        qx = q[0], qy = q[1], qz = q[2], qw = q[3],\n\n        // calculate quat * vec\n        ix = qw * x + qy * z - qz * y,\n        iy = qw * y + qz * x - qx * z,\n        iz = qw * z + qx * y - qy * x,\n        iw = -qx * x - qy * y - qz * z;\n\n    // calculate result * inverse quat\n    out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy;\n    out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz;\n    out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx;\n    return out;\n};\n\n/**\n * Rotate a 3D vector around the x-axis\n * @param {vec3} out The receiving vec3\n * @param {vec3} a The vec3 point to rotate\n * @param {vec3} b The origin of the rotation\n * @param {Number} c The angle of rotation\n * @returns {vec3} out\n */\nvec3.rotateX = function(out, a, b, c){\n   var p = [], r=[];\n      //Translate point to the origin\n      p[0] = a[0] - b[0];\n      p[1] = a[1] - b[1];\n    p[2] = a[2] - b[2];\n\n      //perform rotation\n      r[0] = p[0];\n      r[1] = p[1]*Math.cos(c) - p[2]*Math.sin(c);\n      r[2] = p[1]*Math.sin(c) + p[2]*Math.cos(c);\n\n      //translate to correct position\n      out[0] = r[0] + b[0];\n      out[1] = r[1] + b[1];\n      out[2] = r[2] + b[2];\n\n    return out;\n};\n\n/**\n * Rotate a 3D vector around the y-axis\n * @param {vec3} out The receiving vec3\n * @param {vec3} a The vec3 point to rotate\n * @param {vec3} b The origin of the rotation\n * @param {Number} c The angle of rotation\n * @returns {vec3} out\n */\nvec3.rotateY = function(out, a, b, c){\n    var p = [], r=[];\n    //Translate point to the origin\n    p[0] = a[0] - b[0];\n    p[1] = a[1] - b[1];\n    p[2] = a[2] - b[2];\n\n    //perform rotation\n    r[0] = p[2]*Math.sin(c) + p[0]*Math.cos(c);\n    r[1] = p[1];\n    r[2] = p[2]*Math.cos(c) - p[0]*Math.sin(c);\n\n    //translate to correct position\n    out[0] = r[0] + b[0];\n    out[1] = r[1] + b[1];\n    out[2] = r[2] + b[2];\n\n    return out;\n};\n\n/**\n * Rotate a 3D vector around the z-axis\n * @param {vec3} out The receiving vec3\n * @param {vec3} a The vec3 point to rotate\n * @param {vec3} b The origin of the rotation\n * @param {Number} c The angle of rotation\n * @returns {vec3} out\n */\nvec3.rotateZ = function(out, a, b, c){\n    var p = [], r=[];\n    //Translate point to the origin\n    p[0] = a[0] - b[0];\n    p[1] = a[1] - b[1];\n    p[2] = a[2] - b[2];\n\n    //perform rotation\n    r[0] = p[0]*Math.cos(c) - p[1]*Math.sin(c);\n    r[1] = p[0]*Math.sin(c) + p[1]*Math.cos(c);\n    r[2] = p[2];\n\n    //translate to correct position\n    out[0] = r[0] + b[0];\n    out[1] = r[1] + b[1];\n    out[2] = r[2] + b[2];\n\n    return out;\n};\n\n/**\n * Perform some operation over an array of vec3s.\n *\n * @param {Array} a the array of vectors to iterate over\n * @param {Number} stride Number of elements between the start of each vec3. If 0 assumes tightly packed\n * @param {Number} offset Number of elements to skip at the beginning of the array\n * @param {Number} count Number of vec3s to iterate over. If 0 iterates over entire array\n * @param {Function} fn Function to call for each vector in the array\n * @param {Object} [arg] additional argument to pass to fn\n * @returns {Array} a\n * @function\n */\nvec3.forEach = (function() {\n    var vec = vec3.create();\n\n    return function(a, stride, offset, count, fn, arg) {\n        var i, l;\n        if(!stride) {\n            stride = 3;\n        }\n\n        if(!offset) {\n            offset = 0;\n        }\n\n        if(count) {\n            l = Math.min((count * stride) + offset, a.length);\n        } else {\n            l = a.length;\n        }\n\n        for(i = offset; i < l; i += stride) {\n            vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2];\n            fn(vec, vec, arg);\n            a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2];\n        }\n\n        return a;\n    };\n})();\n\n/**\n * Get the angle between two 3D vectors\n * @param {vec3} a The first operand\n * @param {vec3} b The second operand\n * @returns {Number} The angle in radians\n */\nvec3.angle = function(a, b) {\n\n    var tempA = vec3.fromValues(a[0], a[1], a[2]);\n    var tempB = vec3.fromValues(b[0], b[1], b[2]);\n\n    vec3.normalize(tempA, tempA);\n    vec3.normalize(tempB, tempB);\n\n    var cosine = vec3.dot(tempA, tempB);\n\n    if(cosine > 1.0){\n        return 0;\n    } else {\n        return Math.acos(cosine);\n    }\n};\n\nexport default vec3;","// TODO Resources like shader, texture, geometry reference management\n// Trace and find out which shader, texture, geometry can be destroyed\nimport Base from './core/Base';\nimport GLInfo from './core/GLInfo';\nimport glenum from './core/glenum';\nimport vendor from './core/vendor';\n\nimport Material from './Material';\nimport Vector2 from './math/Vector2';\nimport ProgramManager from './gpu/ProgramManager';\n\n// Light header\nimport Shader from './Shader';\n\nimport prezEssl from './shader/source/prez.glsl.js';\nShader['import'](prezEssl);\n\nimport mat4 from './glmatrix/mat4';\nimport vec3 from './glmatrix/vec3';\n\nvar mat4Create = mat4.create;\n\nvar errorShader = {};\n\nfunction defaultGetMaterial(renderable) {\n    return renderable.material;\n}\nfunction defaultGetUniform(renderable, material, symbol) {\n    return material.uniforms[symbol].value;\n}\nfunction defaultIsMaterialChanged(renderabled, prevRenderable, material, prevMaterial) {\n    return material !== prevMaterial;\n}\nfunction defaultIfRender(renderable) {\n    return true;\n}\n\nfunction noop() {}\n\nvar attributeBufferTypeMap = {\n    float: glenum.FLOAT,\n    byte: glenum.BYTE,\n    ubyte: glenum.UNSIGNED_BYTE,\n    short: glenum.SHORT,\n    ushort: glenum.UNSIGNED_SHORT\n};\n\nfunction VertexArrayObject(availableAttributes, availableAttributeSymbols, indicesBuffer) {\n    this.availableAttributes = availableAttributes;\n    this.availableAttributeSymbols = availableAttributeSymbols;\n    this.indicesBuffer = indicesBuffer;\n\n    this.vao = null;\n}\n\nfunction PlaceHolderTexture(renderer) {\n    var blankCanvas;\n    var webglTexture;\n    this.bind = function (renderer) {\n        if (!blankCanvas) {\n            // TODO Environment not support createCanvas.\n            blankCanvas = vendor.createCanvas();\n            blankCanvas.width = blankCanvas.height = 1;\n            blankCanvas.getContext('2d');\n        }\n\n        var gl = renderer.gl;\n        var firstBind = !webglTexture;\n        if (firstBind) {\n            webglTexture = gl.createTexture();\n        }\n        gl.bindTexture(gl.TEXTURE_2D, webglTexture);\n        if (firstBind) {\n            gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, blankCanvas);\n        }\n    };\n    this.unbind = function (renderer) {\n        renderer.gl.bindTexture(renderer.gl.TEXTURE_2D, null);\n    };\n    this.isRenderable = function () {\n        return true;\n    };\n}\n/**\n * @constructor clay.Renderer\n * @extends clay.core.Base\n */\nvar Renderer = Base.extend(function () {\n    return /** @lends clay.Renderer# */ {\n\n        /**\n         * @type {HTMLCanvasElement}\n         * @readonly\n         */\n        canvas: null,\n\n        /**\n         * Canvas width, set by resize method\n         * @type {number}\n         * @private\n         */\n        _width: 100,\n\n        /**\n         * Canvas width, set by resize method\n         * @type {number}\n         * @private\n         */\n        _height: 100,\n\n        /**\n         * Device pixel ratio, set by setDevicePixelRatio method\n         * Specially for high defination display\n         * @see http://www.khronos.org/webgl/wiki/HandlingHighDPI\n         * @type {number}\n         * @private\n         */\n        devicePixelRatio: (typeof window !== 'undefined' && window.devicePixelRatio) || 1.0,\n\n        /**\n         * Clear color\n         * @type {number[]}\n         */\n        clearColor: [0.0, 0.0, 0.0, 0.0],\n\n        /**\n         * Default:\n         *     _gl.COLOR_BUFFER_BIT | _gl.DEPTH_BUFFER_BIT | _gl.STENCIL_BUFFER_BIT\n         * @type {number}\n         */\n        clearBit: 17664,\n\n        // Settings when getting context\n        // http://www.khronos.org/registry/webgl/specs/latest/#2.4\n\n        /**\n         * If enable alpha, default true\n         * @type {boolean}\n         */\n        alpha: true,\n        /**\n         * If enable depth buffer, default true\n         * @type {boolean}\n         */\n        depth: true,\n        /**\n         * If enable stencil buffer, default false\n         * @type {boolean}\n         */\n        stencil: false,\n        /**\n         * If enable antialias, default true\n         * @type {boolean}\n         */\n        antialias: true,\n        /**\n         * If enable premultiplied alpha, default true\n         * @type {boolean}\n         */\n        premultipliedAlpha: true,\n        /**\n         * If preserve drawing buffer, default false\n         * @type {boolean}\n         */\n        preserveDrawingBuffer: false,\n        /**\n         * If throw context error, usually turned on in debug mode\n         * @type {boolean}\n         */\n        throwError: true,\n        /**\n         * WebGL Context created from given canvas\n         * @type {WebGLRenderingContext}\n         */\n        gl: null,\n        /**\n         * Renderer viewport, read-only, can be set by setViewport method\n         * @type {Object}\n         */\n        viewport: {},\n\n        /**\n         * Max joint number\n         * @type {number}\n         */\n        maxJointNumber: 20,\n\n        // Set by FrameBuffer#bind\n        __currentFrameBuffer: null,\n\n        _viewportStack: [],\n        _clearStack: [],\n\n        _sceneRendering: null\n    };\n}, function () {\n\n    if (!this.canvas) {\n        this.canvas = vendor.createCanvas();\n    }\n    var canvas = this.canvas;\n    try {\n        var opts = {\n            alpha: this.alpha,\n            depth: this.depth,\n            stencil: this.stencil,\n            antialias: this.antialias,\n            premultipliedAlpha: this.premultipliedAlpha,\n            preserveDrawingBuffer: this.preserveDrawingBuffer\n        };\n\n        this.gl = canvas.getContext('webgl', opts)\n            || canvas.getContext('experimental-webgl', opts);\n\n        if (!this.gl) {\n            throw new Error();\n        }\n\n        this._glinfo = new GLInfo(this.gl);\n\n        if (this.gl.targetRenderer) {\n            console.error('Already created a renderer');\n        }\n        this.gl.targetRenderer = this;\n\n        this.resize();\n    }\n    catch (e) {\n        throw 'Error creating WebGL Context ' + e;\n    }\n\n    // Init managers\n    this._programMgr = new ProgramManager(this);\n\n    this._placeholderTexture = new PlaceHolderTexture(this);\n},\n/** @lends clay.Renderer.prototype. **/\n{\n    /**\n     * Resize the canvas\n     * @param {number} width\n     * @param {number} height\n     */\n    resize: function(width, height) {\n        var canvas = this.canvas;\n        // http://www.khronos.org/webgl/wiki/HandlingHighDPI\n        // set the display size of the canvas.\n        var dpr = this.devicePixelRatio;\n        if (width != null) {\n            if (canvas.style) {\n                canvas.style.width = width + 'px';\n                canvas.style.height = height + 'px';\n            }\n            // set the size of the drawingBuffer\n            canvas.width = width * dpr;\n            canvas.height = height * dpr;\n\n            this._width = width;\n            this._height = height;\n        }\n        else {\n            this._width = canvas.width / dpr;\n            this._height = canvas.height / dpr;\n        }\n\n        this.setViewport(0, 0, this._width, this._height);\n    },\n\n    /**\n     * Get renderer width\n     * @return {number}\n     */\n    getWidth: function () {\n        return this._width;\n    },\n\n    /**\n     * Get renderer height\n     * @return {number}\n     */\n    getHeight: function () {\n        return this._height;\n    },\n\n    /**\n     * Get viewport aspect,\n     * @return {number}\n     */\n    getViewportAspect: function () {\n        var viewport = this.viewport;\n        return viewport.width / viewport.height;\n    },\n\n    /**\n     * Set devicePixelRatio\n     * @param {number} devicePixelRatio\n     */\n    setDevicePixelRatio: function(devicePixelRatio) {\n        this.devicePixelRatio = devicePixelRatio;\n        this.resize(this._width, this._height);\n    },\n\n    /**\n     * Get devicePixelRatio\n     * @param {number} devicePixelRatio\n     */\n    getDevicePixelRatio: function () {\n        return this.devicePixelRatio;\n    },\n\n    /**\n     * Get WebGL extension\n     * @param {string} name\n     * @return {object}\n     */\n    getGLExtension: function (name) {\n        return this._glinfo.getExtension(name);\n    },\n\n    /**\n     * Get WebGL parameter\n     * @param {string} name\n     * @return {*}\n     */\n    getGLParameter: function (name) {\n        return this._glinfo.getParameter(name);\n    },\n\n    /**\n     * Set rendering viewport\n     * @param {number|Object} x\n     * @param {number} [y]\n     * @param {number} [width]\n     * @param {number} [height]\n     * @param {number} [devicePixelRatio]\n     *        Defaultly use the renderere devicePixelRatio\n     *        It needs to be 1 when setViewport is called by frameBuffer\n     *\n     * @example\n     *  setViewport(0,0,width,height,1)\n     *  setViewport({\n     *      x: 0,\n     *      y: 0,\n     *      width: width,\n     *      height: height,\n     *      devicePixelRatio: 1\n     *  })\n     */\n    setViewport: function (x, y, width, height, dpr) {\n\n        if (typeof x === 'object') {\n            var obj = x;\n\n            x = obj.x;\n            y = obj.y;\n            width = obj.width;\n            height = obj.height;\n            dpr = obj.devicePixelRatio;\n        }\n        dpr = dpr || this.devicePixelRatio;\n\n        this.gl.viewport(\n            x * dpr, y * dpr, width * dpr, height * dpr\n        );\n        // Use a fresh new object, not write property.\n        this.viewport = {\n            x: x,\n            y: y,\n            width: width,\n            height: height,\n            devicePixelRatio: dpr\n        };\n    },\n\n    /**\n     * Push current viewport into a stack\n     */\n    saveViewport: function () {\n        this._viewportStack.push(this.viewport);\n    },\n\n    /**\n     * Pop viewport from stack, restore in the renderer\n     */\n    restoreViewport: function () {\n        if (this._viewportStack.length > 0) {\n            this.setViewport(this._viewportStack.pop());\n        }\n    },\n\n    /**\n     * Push current clear into a stack\n     */\n    saveClear: function () {\n        this._clearStack.push({\n            clearBit: this.clearBit,\n            clearColor: this.clearColor\n        });\n    },\n\n    /**\n     * Pop clear from stack, restore in the renderer\n     */\n    restoreClear: function () {\n        if (this._clearStack.length > 0) {\n            var opt = this._clearStack.pop();\n            this.clearColor = opt.clearColor;\n            this.clearBit = opt.clearBit;\n        }\n    },\n\n    bindSceneRendering: function (scene) {\n        this._sceneRendering = scene;\n    },\n\n    /**\n     * Render the scene in camera to the screen or binded offline framebuffer\n     * @param  {clay.Scene}       scene\n     * @param  {clay.Camera}      camera\n     * @param  {boolean}     [notUpdateScene] If not call the scene.update methods in the rendering, default true\n     * @param  {boolean}     [preZ]           If use preZ optimization, default false\n     * @return {IRenderInfo}\n     */\n    render: function(scene, camera, notUpdateScene, preZ) {\n        var _gl = this.gl;\n\n        var clearColor = this.clearColor;\n\n        if (this.clearBit) {\n\n            // Must set depth and color mask true before clear\n            _gl.colorMask(true, true, true, true);\n            _gl.depthMask(true);\n            var viewport = this.viewport;\n            var needsScissor = false;\n            var viewportDpr = viewport.devicePixelRatio;\n            if (viewport.width !== this._width || viewport.height !== this._height\n                || (viewportDpr && viewportDpr !== this.devicePixelRatio)\n                || viewport.x || viewport.y\n            ) {\n                needsScissor = true;\n                // http://stackoverflow.com/questions/11544608/how-to-clear-a-rectangle-area-in-webgl\n                // Only clear the viewport\n                _gl.enable(_gl.SCISSOR_TEST);\n                _gl.scissor(viewport.x * viewportDpr, viewport.y * viewportDpr, viewport.width * viewportDpr, viewport.height * viewportDpr);\n            }\n            _gl.clearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[3]);\n            _gl.clear(this.clearBit);\n            if (needsScissor) {\n                _gl.disable(_gl.SCISSOR_TEST);\n            }\n        }\n\n        // If the scene have been updated in the prepass like shadow map\n        // There is no need to update it again\n        if (!notUpdateScene) {\n            scene.update(false);\n        }\n        scene.updateLights();\n\n        camera = camera || scene.getMainCamera();\n        if (!camera) {\n            console.error('Can\\'t find camera in the scene.');\n            return;\n        }\n        camera.update();\n        var renderList = scene.updateRenderList(camera, true);\n\n        this._sceneRendering = scene;\n\n        var opaqueList = renderList.opaque;\n        var transparentList = renderList.transparent;\n        var sceneMaterial = scene.material;\n\n        scene.trigger('beforerender', this, scene, camera, renderList);\n\n        // Render pre z\n        if (preZ) {\n            this.renderPreZ(opaqueList, scene, camera);\n            _gl.depthFunc(_gl.LEQUAL);\n        }\n        else {\n            _gl.depthFunc(_gl.LESS);\n        }\n\n        // Update the depth of transparent list.\n        var worldViewMat = mat4Create();\n        var posViewSpace = vec3.create();\n        for (var i = 0; i < transparentList.length; i++) {\n            var renderable = transparentList[i];\n            mat4.multiplyAffine(worldViewMat, camera.viewMatrix.array, renderable.worldTransform.array);\n            vec3.transformMat4(posViewSpace, renderable.position.array, worldViewMat);\n            renderable.__depth = posViewSpace[2];\n        }\n\n        // Render opaque list\n        this.renderPass(opaqueList, camera, {\n            getMaterial: function (renderable) {\n                return sceneMaterial || renderable.material;\n            },\n            sortCompare: this.opaqueSortCompare\n        });\n\n        this.renderPass(transparentList, camera, {\n            getMaterial: function (renderable) {\n                return sceneMaterial || renderable.material;\n            },\n            sortCompare: this.transparentSortCompare\n        });\n\n        scene.trigger('afterrender', this, scene, camera, renderList);\n\n        // Cleanup\n        this._sceneRendering = null;\n    },\n\n    getProgram: function (renderable, renderMaterial, scene) {\n        renderMaterial = renderMaterial || renderable.material;\n        return this._programMgr.getProgram(renderable, renderMaterial, scene);\n    },\n\n    validateProgram: function (program) {\n        if (program.__error) {\n            var errorMsg = program.__error;\n            if (errorShader[program.__uid__]) {\n                return;\n            }\n            errorShader[program.__uid__] = true;\n\n            if (this.throwError) {\n                throw new Error(errorMsg);\n            }\n            else {\n                this.trigger('error', errorMsg);\n            }\n\n        }\n\n    },\n\n    updatePrograms: function (list, scene, passConfig) {\n        var getMaterial = (passConfig && passConfig.getMaterial) || defaultGetMaterial;\n        scene = scene || null;\n        for (var i = 0; i < list.length; i++) {\n            var renderable = list[i];\n            var renderMaterial = getMaterial.call(this, renderable);\n            if (i > 0) {\n                var prevRenderable = list[i - 1];\n                var prevJointsLen = prevRenderable.joints ? prevRenderable.joints.length : 0;\n                var jointsLen = renderable.joints ? renderable.joints.length : 0;\n                // Keep program not change if joints, material, lightGroup are same of two renderables.\n                if (jointsLen === prevJointsLen\n                    && renderable.material === prevRenderable.material\n                    && renderable.lightGroup === prevRenderable.lightGroup\n                ) {\n                    renderable.__program = prevRenderable.__program;\n                    continue;\n                }\n            }\n\n            var program = this._programMgr.getProgram(renderable, renderMaterial, scene);\n\n            this.validateProgram(program);\n\n            renderable.__program = program;\n        }\n    },\n\n    /**\n     * Render a single renderable list in camera in sequence\n     * @param {clay.Renderable[]} list List of all renderables.\n     * @param {clay.Camera} [camera] Camera provide view matrix and porjection matrix. It can be null.\n     * @param {Object} [passConfig]\n     * @param {Function} [passConfig.getMaterial] Get renderable material.\n     * @param {Function} [passConfig.getUniform] Get material uniform value.\n     * @param {Function} [passConfig.isMaterialChanged] If material changed.\n     * @param {Function} [passConfig.beforeRender] Before render each renderable.\n     * @param {Function} [passConfig.afterRender] After render each renderable\n     * @param {Function} [passConfig.ifRender] If render the renderable.\n     * @param {Function} [passConfig.sortCompare] Sort compare function.\n     * @return {IRenderInfo}\n     */\n    renderPass: function(list, camera, passConfig) {\n        this.trigger('beforerenderpass', this, list, camera, passConfig);\n\n        passConfig = passConfig || {};\n        passConfig.getMaterial = passConfig.getMaterial || defaultGetMaterial;\n        passConfig.getUniform = passConfig.getUniform || defaultGetUniform;\n        // PENDING Better solution?\n        passConfig.isMaterialChanged = passConfig.isMaterialChanged || defaultIsMaterialChanged;\n        passConfig.beforeRender = passConfig.beforeRender || noop;\n        passConfig.afterRender = passConfig.afterRender || noop;\n\n        var ifRenderObject = passConfig.ifRender || defaultIfRender;\n\n        this.updatePrograms(list, this._sceneRendering, passConfig);\n        if (passConfig.sortCompare) {\n            list.sort(passConfig.sortCompare);\n        }\n\n        // Some common builtin uniforms\n        var viewport = this.viewport;\n        var vDpr = viewport.devicePixelRatio;\n        var viewportUniform = [\n            viewport.x * vDpr, viewport.y * vDpr,\n            viewport.width * vDpr, viewport.height * vDpr\n        ];\n        var windowDpr = this.devicePixelRatio;\n        var windowSizeUniform = this.__currentFrameBuffer\n            ? [this.__currentFrameBuffer.getTextureWidth(), this.__currentFrameBuffer.getTextureHeight()]\n            : [this._width * windowDpr, this._height * windowDpr];\n        // DEPRECATED\n        var viewportSizeUniform = [\n            viewportUniform[2], viewportUniform[3]\n        ];\n        var time = Date.now();\n\n        // Calculate view and projection matrix\n        if (camera) {\n            mat4.copy(matrices.VIEW, camera.viewMatrix.array);\n            mat4.copy(matrices.PROJECTION, camera.projectionMatrix.array);\n            mat4.copy(matrices.VIEWINVERSE, camera.worldTransform.array);\n        }\n        else {\n            mat4.identity(matrices.VIEW);\n            mat4.identity(matrices.PROJECTION);\n            mat4.identity(matrices.VIEWINVERSE);\n        }\n        mat4.multiply(matrices.VIEWPROJECTION, matrices.PROJECTION, matrices.VIEW);\n        mat4.invert(matrices.PROJECTIONINVERSE, matrices.PROJECTION);\n        mat4.invert(matrices.VIEWPROJECTIONINVERSE, matrices.VIEWPROJECTION);\n\n        var _gl = this.gl;\n        var scene = this._sceneRendering;\n\n        var prevMaterial;\n        var prevProgram;\n        var prevRenderable;\n\n        // Status\n        var depthTest, depthMask;\n        var culling, cullFace, frontFace;\n        var transparent;\n        var drawID;\n        var currentVAO;\n        var materialTakesTextureSlot;\n\n        // var vaoExt = this.getGLExtension('OES_vertex_array_object');\n        // not use vaoExt, some platforms may mess it up.\n        var vaoExt = null;\n\n        for (var i = 0; i < list.length; i++) {\n            var renderable = list[i];\n            var isSceneNode = renderable.worldTransform != null;\n            var worldM;\n\n            if (!ifRenderObject(renderable)) {\n                continue;\n            }\n\n            // Skinned mesh will transformed to joint space. Ignore the mesh transform\n            if (isSceneNode) {\n                worldM = (renderable.isSkinnedMesh && renderable.isSkinnedMesh())\n                    // TODO\n                    ? (renderable.offsetMatrix ? renderable.offsetMatrix.array :matrices.IDENTITY)\n                    : renderable.worldTransform.array;\n            }\n            var geometry = renderable.geometry;\n            var material = passConfig.getMaterial.call(this, renderable);\n\n            var program = renderable.__program;\n            var shader = material.shader;\n\n            var currentDrawID = geometry.__uid__ + '-' + program.__uid__;\n            var drawIDChanged = currentDrawID !== drawID;\n            drawID = currentDrawID;\n            if (drawIDChanged && vaoExt) {\n                // TODO Seems need to be bound to null immediately (or before bind another program?) if vao is changed\n                vaoExt.bindVertexArrayOES(null);\n            }\n            if (isSceneNode) {\n                mat4.copy(matrices.WORLD, worldM);\n                mat4.multiply(matrices.WORLDVIEWPROJECTION, matrices.VIEWPROJECTION, worldM);\n                mat4.multiplyAffine(matrices.WORLDVIEW, matrices.VIEW, worldM);\n                if (shader.matrixSemantics.WORLDINVERSE ||\n                    shader.matrixSemantics.WORLDINVERSETRANSPOSE) {\n                    mat4.invert(matrices.WORLDINVERSE, worldM);\n                }\n                if (shader.matrixSemantics.WORLDVIEWINVERSE ||\n                    shader.matrixSemantics.WORLDVIEWINVERSETRANSPOSE) {\n                    mat4.invert(matrices.WORLDVIEWINVERSE, matrices.WORLDVIEW);\n                }\n                if (shader.matrixSemantics.WORLDVIEWPROJECTIONINVERSE ||\n                    shader.matrixSemantics.WORLDVIEWPROJECTIONINVERSETRANSPOSE) {\n                    mat4.invert(matrices.WORLDVIEWPROJECTIONINVERSE, matrices.WORLDVIEWPROJECTION);\n                }\n            }\n\n            // Before render hook\n            renderable.beforeRender && renderable.beforeRender(this);\n            passConfig.beforeRender.call(this, renderable, material, prevMaterial);\n\n            var programChanged = program !== prevProgram;\n            if (programChanged) {\n                // Set lights number\n                program.bind(this);\n                // Set some common uniforms\n                program.setUniformOfSemantic(_gl, 'VIEWPORT', viewportUniform);\n                program.setUniformOfSemantic(_gl, 'WINDOW_SIZE', windowSizeUniform);\n                if (camera) {\n                    program.setUniformOfSemantic(_gl, 'NEAR', camera.near);\n                    program.setUniformOfSemantic(_gl, 'FAR', camera.far);\n                }\n                program.setUniformOfSemantic(_gl, 'DEVICEPIXELRATIO', vDpr);\n                program.setUniformOfSemantic(_gl, 'TIME', time);\n                // DEPRECATED\n                program.setUniformOfSemantic(_gl, 'VIEWPORT_SIZE', viewportSizeUniform);\n\n                // Set lights uniforms\n                // TODO needs optimized\n                if (scene) {\n                    scene.setLightUniforms(program, renderable.lightGroup, this);\n                }\n            }\n            else {\n                program = prevProgram;\n            }\n\n            // Program changes also needs reset the materials.\n            if (programChanged || passConfig.isMaterialChanged(\n                renderable, prevRenderable, material, prevMaterial\n            )) {\n                if (material.depthTest !== depthTest) {\n                    material.depthTest ? _gl.enable(_gl.DEPTH_TEST) : _gl.disable(_gl.DEPTH_TEST);\n                    depthTest = material.depthTest;\n                }\n                if (material.depthMask !== depthMask) {\n                    _gl.depthMask(material.depthMask);\n                    depthMask = material.depthMask;\n                }\n                if (material.transparent !== transparent) {\n                    material.transparent ? _gl.enable(_gl.BLEND) : _gl.disable(_gl.BLEND);\n                    transparent = material.transparent;\n                }\n                // TODO cache blending\n                if (material.transparent) {\n                    if (material.blend) {\n                        material.blend(_gl);\n                    }\n                    else {\n                        // Default blend function\n                        _gl.blendEquationSeparate(_gl.FUNC_ADD, _gl.FUNC_ADD);\n                        _gl.blendFuncSeparate(_gl.SRC_ALPHA, _gl.ONE_MINUS_SRC_ALPHA, _gl.ONE, _gl.ONE_MINUS_SRC_ALPHA);\n                    }\n                }\n\n                materialTakesTextureSlot = this._bindMaterial(\n                    renderable, material, program,\n                    prevRenderable || null, prevMaterial || null, prevProgram || null,\n                    passConfig.getUniform\n                );\n                prevMaterial = material;\n            }\n\n            var matrixSemanticKeys = shader.matrixSemanticKeys;\n\n            if (isSceneNode) {\n                for (var k = 0; k < matrixSemanticKeys.length; k++) {\n                    var semantic = matrixSemanticKeys[k];\n                    var semanticInfo = shader.matrixSemantics[semantic];\n                    var matrix = matrices[semantic];\n                    if (semanticInfo.isTranspose) {\n                        var matrixNoTranspose = matrices[semanticInfo.semanticNoTranspose];\n                        mat4.transpose(matrix, matrixNoTranspose);\n                    }\n                    program.setUniform(_gl, semanticInfo.type, semanticInfo.symbol, matrix);\n                }\n            }\n\n            if (renderable.cullFace !== cullFace) {\n                cullFace = renderable.cullFace;\n                _gl.cullFace(cullFace);\n            }\n            if (renderable.frontFace !== frontFace) {\n                frontFace = renderable.frontFace;\n                _gl.frontFace(frontFace);\n            }\n            if (renderable.culling !== culling) {\n                culling = renderable.culling;\n                culling ? _gl.enable(_gl.CULL_FACE) : _gl.disable(_gl.CULL_FACE);\n            }\n            // TODO Not update skeleton in each renderable.\n            this._updateSkeleton(renderable, program, materialTakesTextureSlot);\n            if (drawIDChanged) {\n                currentVAO = this._bindVAO(vaoExt, shader, geometry, program);\n            }\n            this._renderObject(renderable, currentVAO, program);\n\n            // After render hook\n            passConfig.afterRender(this, renderable);\n            renderable.afterRender && renderable.afterRender(this);\n\n            prevProgram = program;\n            prevRenderable = renderable;\n        }\n\n        // TODO Seems need to be bound to null immediately if vao is changed?\n        if (vaoExt) {\n            vaoExt.bindVertexArrayOES(null);\n        }\n\n        this.trigger('afterrenderpass', this, list, camera, passConfig);\n    },\n\n    getMaxJointNumber: function () {\n        return this.maxJointNumber;\n    },\n\n    _updateSkeleton: function (object, program, slot) {\n        var _gl = this.gl;\n        var skeleton = object.skeleton;\n        // Set pose matrices of skinned mesh\n        if (skeleton) {\n            // TODO Update before culling.\n            skeleton.update();\n            if (object.joints.length > this.getMaxJointNumber()) {\n                var skinMatricesTexture = skeleton.getSubSkinMatricesTexture(object.__uid__, object.joints);\n                program.useTextureSlot(this, skinMatricesTexture, slot);\n                program.setUniform(_gl, '1i', 'skinMatricesTexture', slot);\n                program.setUniform(_gl, '1f', 'skinMatricesTextureSize', skinMatricesTexture.width);\n            }\n            else {\n                var skinMatricesArray = skeleton.getSubSkinMatrices(object.__uid__, object.joints);\n                program.setUniformOfSemantic(_gl, 'SKIN_MATRIX', skinMatricesArray);\n            }\n        }\n    },\n\n    _renderObject: function (renderable, vao, program) {\n        var _gl = this.gl;\n        var geometry = renderable.geometry;\n\n        var glDrawMode = renderable.mode;\n        if (glDrawMode == null) {\n            glDrawMode = 0x0004;\n        }\n\n        var ext = null;\n        var isInstanced = renderable.isInstancedMesh && renderable.isInstancedMesh();\n        if (isInstanced) {\n            ext = this.getGLExtension('ANGLE_instanced_arrays');\n            if (!ext) {\n                console.warn('Device not support ANGLE_instanced_arrays extension');\n                return;\n            }\n        }\n\n        var instancedAttrLocations;\n        if (isInstanced) {\n            instancedAttrLocations = this._bindInstancedAttributes(renderable, program, ext);\n        }\n\n        if (vao.indicesBuffer) {\n            var uintExt = this.getGLExtension('OES_element_index_uint');\n            var useUintExt = uintExt && (geometry.indices instanceof Uint32Array);\n            var indicesType = useUintExt ? _gl.UNSIGNED_INT : _gl.UNSIGNED_SHORT;\n\n            if (isInstanced) {\n                ext.drawElementsInstancedANGLE(\n                    glDrawMode, vao.indicesBuffer.count, indicesType, 0, renderable.getInstanceCount()\n                );\n            }\n            else {\n                _gl.drawElements(glDrawMode, vao.indicesBuffer.count, indicesType, 0);\n            }\n        }\n        else {\n            if (isInstanced) {\n                ext.drawArraysInstancedANGLE(glDrawMode, 0, geometry.vertexCount, renderable.getInstanceCount());\n            }\n            else {\n                // FIXME Use vertex number in buffer\n                // vertexCount may get the wrong value when geometry forget to mark dirty after update\n                _gl.drawArrays(glDrawMode, 0, geometry.vertexCount);\n            }\n        }\n\n        if (isInstanced) {\n            for (var i = 0; i < instancedAttrLocations.length; i++) {\n                _gl.disableVertexAttribArray(instancedAttrLocations[i]);\n            }\n        }\n    },\n\n    _bindInstancedAttributes: function (renderable, program, ext) {\n        var _gl = this.gl;\n        var instancedBuffers = renderable.getInstancedAttributesBuffers(this);\n        var locations = [];\n\n        for (var i = 0; i < instancedBuffers.length; i++) {\n            var bufferObj = instancedBuffers[i];\n            var location = program.getAttribLocation(_gl, bufferObj.symbol);\n            if (location < 0) {\n                continue;\n            }\n\n            var glType = attributeBufferTypeMap[bufferObj.type] || _gl.FLOAT;;\n            _gl.enableVertexAttribArray(location);  // TODO\n            _gl.bindBuffer(_gl.ARRAY_BUFFER, bufferObj.buffer);\n            _gl.vertexAttribPointer(location, bufferObj.size, glType, false, 0, 0);\n            ext.vertexAttribDivisorANGLE(location, bufferObj.divisor);\n\n            locations.push(location);\n        }\n\n        return locations;\n    },\n\n    _bindMaterial: function (renderable, material, program, prevRenderable, prevMaterial, prevProgram, getUniformValue) {\n        var _gl = this.gl;\n        // PENDING Same texture in different material take different slot?\n\n        // May use shader of other material if shader code are same\n        var sameProgram = prevProgram === program;\n\n        var currentTextureSlot = program.currentTextureSlot();\n        var enabledUniforms = material.getEnabledUniforms();\n        var textureUniforms = material.getTextureUniforms();\n        var placeholderTexture = this._placeholderTexture;\n\n        for (var u = 0; u < textureUniforms.length; u++) {\n            var symbol = textureUniforms[u];\n            var uniformValue = getUniformValue(renderable, material, symbol);\n            var uniformType = material.uniforms[symbol].type;\n            // Not use `instanceof` to determine if a value is texture in Material#bind.\n            // Use type instead, in some case texture may be in different namespaces.\n            // TODO Duck type validate.\n            if (uniformType === 't' && uniformValue) {\n                // Reset slot\n                uniformValue.__slot = -1;\n            }\n            else if (uniformType === 'tv') {\n                for (var i = 0; i < uniformValue.length; i++) {\n                    if (uniformValue[i]) {\n                        uniformValue[i].__slot = -1;\n                    }\n                }\n            }\n        }\n\n        placeholderTexture.__slot = -1;\n\n        // Set uniforms\n        for (var u = 0; u < enabledUniforms.length; u++) {\n            var symbol = enabledUniforms[u];\n            var uniform = material.uniforms[symbol];\n            var uniformValue = getUniformValue(renderable, material, symbol);\n            var uniformType = uniform.type;\n            var isTexture = uniformType === 't';\n\n            if (isTexture) {\n                if (!uniformValue || !uniformValue.isRenderable()) {\n                    uniformValue = placeholderTexture;\n                }\n            }\n            // PENDING\n            // When binding two materials with the same shader\n            // Many uniforms will be be set twice even if they have the same value\n            // So add a evaluation to see if the uniform is really needed to be set\n            if (prevMaterial && sameProgram) {\n                var prevUniformValue = getUniformValue(prevRenderable, prevMaterial, symbol);\n                if (isTexture) {\n                    if (!prevUniformValue || !prevUniformValue.isRenderable()) {\n                        prevUniformValue = placeholderTexture;\n                    }\n                }\n\n                if (prevUniformValue === uniformValue) {\n                    if (isTexture) {\n                        // Still take the slot to make sure same texture in different materials have same slot.\n                        program.takeCurrentTextureSlot(this, null);\n                    }\n                    else if (uniformType === 'tv' && uniformValue) {\n                        for (var i = 0; i < uniformValue.length; i++) {\n                            program.takeCurrentTextureSlot(this, null);\n                        }\n                    }\n                    continue;\n                }\n            }\n\n            if (uniformValue == null) {\n                continue;\n            }\n            else if (isTexture) {\n                if (uniformValue.__slot < 0) {\n                    var slot = program.currentTextureSlot();\n                    var res = program.setUniform(_gl, '1i', symbol, slot);\n                    if (res) { // Texture uniform is enabled\n                        program.takeCurrentTextureSlot(this, uniformValue);\n                        uniformValue.__slot = slot;\n                    }\n                }\n                // Multiple uniform use same texture..\n                else {\n                    program.setUniform(_gl, '1i', symbol, uniformValue.__slot);\n                }\n            }\n            else if (Array.isArray(uniformValue)) {\n                if (uniformValue.length === 0) {\n                    continue;\n                }\n                // Texture Array\n                if (uniformType === 'tv') {\n                    if (!program.hasUniform(symbol)) {\n                        continue;\n                    }\n\n                    var arr = [];\n                    for (var i = 0; i < uniformValue.length; i++) {\n                        var texture = uniformValue[i];\n\n                        if (texture.__slot < 0) {\n                            var slot = program.currentTextureSlot();\n                            arr.push(slot);\n                            program.takeCurrentTextureSlot(this, texture);\n                            texture.__slot = slot;\n                        }\n                        else {\n                            arr.push(texture.__slot);\n                        }\n                    }\n\n                    program.setUniform(_gl, '1iv', symbol, arr);\n                }\n                else {\n                    program.setUniform(_gl, uniform.type, symbol, uniformValue);\n                }\n            }\n            else{\n                program.setUniform(_gl, uniform.type, symbol, uniformValue);\n            }\n        }\n        var newSlot = program.currentTextureSlot();\n        // Texture slot maybe used out of material.\n        program.resetTextureSlot(currentTextureSlot);\n        return newSlot;\n    },\n\n    _bindVAO: function (vaoExt, shader, geometry, program) {\n        var isStatic = !geometry.dynamic;\n        var _gl = this.gl;\n\n        var vaoId = this.__uid__ + '-' + program.__uid__;\n        var vao = geometry.__vaoCache[vaoId];\n        if (!vao) {\n            var chunks = geometry.getBufferChunks(this);\n            if (!chunks || !chunks.length) {  // Empty mesh\n                return;\n            }\n            var chunk = chunks[0];\n            var attributeBuffers = chunk.attributeBuffers;\n            var indicesBuffer = chunk.indicesBuffer;\n\n            var availableAttributes = [];\n            var availableAttributeSymbols = [];\n            for (var a = 0; a < attributeBuffers.length; a++) {\n                var attributeBufferInfo = attributeBuffers[a];\n                var name = attributeBufferInfo.name;\n                var semantic = attributeBufferInfo.semantic;\n                var symbol;\n                if (semantic) {\n                    var semanticInfo = shader.attributeSemantics[semantic];\n                    symbol = semanticInfo && semanticInfo.symbol;\n                }\n                else {\n                    symbol = name;\n                }\n                if (symbol && program.attributes[symbol]) {\n                    availableAttributes.push(attributeBufferInfo);\n                    availableAttributeSymbols.push(symbol);\n                }\n            }\n\n            vao = new VertexArrayObject(\n                availableAttributes,\n                availableAttributeSymbols,\n                indicesBuffer\n            );\n\n            if (isStatic) {\n                geometry.__vaoCache[vaoId] = vao;\n            }\n        }\n\n        var needsBindAttributes = true;\n\n        // Create vertex object array cost a lot\n        // So we don't use it on the dynamic object\n        if (vaoExt && isStatic) {\n            // Use vertex array object\n            // http://blog.tojicode.com/2012/10/oesvertexarrayobject-extension.html\n            if (vao.vao == null) {\n                vao.vao = vaoExt.createVertexArrayOES();\n            }\n            else {\n                needsBindAttributes = false;\n            }\n            vaoExt.bindVertexArrayOES(vao.vao);\n        }\n\n        var availableAttributes = vao.availableAttributes;\n        var indicesBuffer = vao.indicesBuffer;\n\n        if (needsBindAttributes) {\n            var locationList = program.enableAttributes(this, vao.availableAttributeSymbols, (vaoExt && isStatic && vao));\n            // Setting attributes;\n            for (var a = 0; a < availableAttributes.length; a++) {\n                var location = locationList[a];\n                if (location === -1) {\n                    continue;\n                }\n                var attributeBufferInfo = availableAttributes[a];\n                var buffer = attributeBufferInfo.buffer;\n                var size = attributeBufferInfo.size;\n                var glType = attributeBufferTypeMap[attributeBufferInfo.type] || _gl.FLOAT;\n\n                _gl.bindBuffer(_gl.ARRAY_BUFFER, buffer);\n                _gl.vertexAttribPointer(location, size, glType, false, 0, 0);\n            }\n\n            if (geometry.isUseIndices()) {\n                _gl.bindBuffer(_gl.ELEMENT_ARRAY_BUFFER, indicesBuffer.buffer);\n            }\n        }\n\n        return vao;\n    },\n\n    renderPreZ: function (list, scene, camera) {\n        var _gl = this.gl;\n        var preZPassMaterial = this._prezMaterial || new Material({\n            shader: new Shader(Shader.source('clay.prez.vertex'), Shader.source('clay.prez.fragment'))\n        });\n        this._prezMaterial = preZPassMaterial;\n\n        _gl.colorMask(false, false, false, false);\n        _gl.depthMask(true);\n\n        // Status\n        this.renderPass(list, camera, {\n            ifRender: function (renderable) {\n                return !renderable.ignorePreZ;\n            },\n            isMaterialChanged: function (renderable, prevRenderable) {\n                var matA = renderable.material;\n                var matB = prevRenderable.material;\n                return matA.get('diffuseMap') !== matB.get('diffuseMap')\n                    || (matA.get('alphaCutoff') || 0) !== (matB.get('alphaCutoff') || 0);\n            },\n            getUniform: function (renderable, depthMaterial, symbol) {\n                if (symbol === 'alphaMap') {\n                    return renderable.material.get('diffuseMap');\n                }\n                else if (symbol === 'alphaCutoff') {\n                    if (renderable.material.isDefined('fragment', 'ALPHA_TEST')\n                        && renderable.material.get('diffuseMap')\n                    ) {\n                        var alphaCutoff = renderable.material.get('alphaCutoff');\n                        return alphaCutoff || 0;\n                    }\n                    return 0;\n                }\n                else if (symbol === 'uvRepeat') {\n                    return renderable.material.get('uvRepeat');\n                }\n                else if (symbol === 'uvOffset') {\n                    return renderable.material.get('uvOffset');\n                }\n                else {\n                    return depthMaterial.get(symbol);\n                }\n            },\n            getMaterial: function () {\n                return preZPassMaterial;\n            },\n            sort: this.opaqueSortCompare\n        });\n\n        _gl.colorMask(true, true, true, true);\n        _gl.depthMask(true);\n    },\n\n    /**\n     * Dispose given scene, including all geometris, textures and shaders in the scene\n     * @param {clay.Scene} scene\n     */\n    disposeScene: function(scene) {\n        this.disposeNode(scene, true, true);\n        scene.dispose();\n    },\n\n    /**\n     * Dispose given node, including all geometries, textures and shaders attached on it or its descendant\n     * @param {clay.Node} node\n     * @param {boolean} [disposeGeometry=false] If dispose the geometries used in the descendant mesh\n     * @param {boolean} [disposeTexture=false] If dispose the textures used in the descendant mesh\n     */\n    disposeNode: function(root, disposeGeometry, disposeTexture) {\n        // Dettached from parent\n        if (root.getParent()) {\n            root.getParent().remove(root);\n        }\n        var disposedMap = {};\n        root.traverse(function(node) {\n            var material = node.material;\n            if (node.geometry && disposeGeometry) {\n                node.geometry.dispose(this);\n            }\n            if (disposeTexture && material && !disposedMap[material.__uid__]) {\n                var textureUniforms = material.getTextureUniforms();\n                for (var u = 0; u < textureUniforms.length; u++) {\n                    var uniformName = textureUniforms[u];\n                    var val = material.uniforms[uniformName].value;\n                    var uniformType = material.uniforms[uniformName].type;\n                    if (!val) {\n                        continue;\n                    }\n                    if (uniformType === 't') {\n                        val.dispose && val.dispose(this);\n                    }\n                    else if (uniformType === 'tv') {\n                        for (var k = 0; k < val.length; k++) {\n                            if (val[k]) {\n                                val[k].dispose && val[k].dispose(this);\n                            }\n                        }\n                    }\n                }\n                disposedMap[material.__uid__] = true;\n            }\n            // Particle system and AmbientCubemap light need to dispose\n            if (node.dispose) {\n                node.dispose(this);\n            }\n        }, this);\n    },\n\n    /**\n     * Dispose given geometry\n     * @param {clay.Geometry} geometry\n     */\n    disposeGeometry: function(geometry) {\n        geometry.dispose(this);\n    },\n\n    /**\n     * Dispose given texture\n     * @param {clay.Texture} texture\n     */\n    disposeTexture: function(texture) {\n        texture.dispose(this);\n    },\n\n    /**\n     * Dispose given frame buffer\n     * @param {clay.FrameBuffer} frameBuffer\n     */\n    disposeFrameBuffer: function(frameBuffer) {\n        frameBuffer.dispose(this);\n    },\n\n    /**\n     * Dispose renderer\n     */\n    dispose: function () {},\n\n    /**\n     * Convert screen coords to normalized device coordinates(NDC)\n     * Screen coords can get from mouse event, it is positioned relative to canvas element\n     * NDC can be used in ray casting with Camera.prototype.castRay methods\n     *\n     * @param  {number}       x\n     * @param  {number}       y\n     * @param  {clay.Vector2} [out]\n     * @return {clay.Vector2}\n     */\n    screenToNDC: function(x, y, out) {\n        if (!out) {\n            out = new Vector2();\n        }\n        // Invert y;\n        y = this._height - y;\n\n        var viewport = this.viewport;\n        var arr = out.array;\n        arr[0] = (x - viewport.x) / viewport.width;\n        arr[0] = arr[0] * 2 - 1;\n        arr[1] = (y - viewport.y) / viewport.height;\n        arr[1] = arr[1] * 2 - 1;\n\n        return out;\n    }\n});\n\n/**\n * Opaque renderables compare function\n * @param  {clay.Renderable} x\n * @param  {clay.Renderable} y\n * @return {boolean}\n * @static\n */\nRenderer.opaqueSortCompare = Renderer.prototype.opaqueSortCompare = function(x, y) {\n    // Priority renderOrder -> program -> material -> geometry\n    if (x.renderOrder === y.renderOrder) {\n        if (x.__program === y.__program) {\n            if (x.material === y.material) {\n                return x.geometry.__uid__ - y.geometry.__uid__;\n            }\n            return x.material.__uid__ - y.material.__uid__;\n        }\n        if (x.__program && y.__program) {\n            return x.__program.__uid__ - y.__program.__uid__;\n        }\n        return 0;\n    }\n    return x.renderOrder - y.renderOrder;\n};\n\n/**\n * Transparent renderables compare function\n * @param  {clay.Renderable} a\n * @param  {clay.Renderable} b\n * @return {boolean}\n * @static\n */\nRenderer.transparentSortCompare = Renderer.prototype.transparentSortCompare = function(x, y) {\n    // Priority renderOrder -> depth -> program -> material -> geometry\n\n    if (x.renderOrder === y.renderOrder) {\n        if (x.__depth === y.__depth) {\n            if (x.__program === y.__program) {\n                if (x.material === y.material) {\n                    return x.geometry.__uid__ - y.geometry.__uid__;\n                }\n                return x.material.__uid__ - y.material.__uid__;\n            }\n            if (x.__program  && y.__program) {\n                return x.__program.__uid__ - y.__program.__uid__;\n            }\n            return 0;\n        }\n        // Depth is negative\n        // So farther object has smaller depth value\n        return x.__depth - y.__depth;\n    }\n    return x.renderOrder - y.renderOrder;\n};\n\n// Temporary variables\nvar matrices = {\n    IDENTITY: mat4Create(),\n\n    WORLD: mat4Create(),\n    VIEW: mat4Create(),\n    PROJECTION: mat4Create(),\n    WORLDVIEW: mat4Create(),\n    VIEWPROJECTION: mat4Create(),\n    WORLDVIEWPROJECTION: mat4Create(),\n\n    WORLDINVERSE: mat4Create(),\n    VIEWINVERSE: mat4Create(),\n    PROJECTIONINVERSE: mat4Create(),\n    WORLDVIEWINVERSE: mat4Create(),\n    VIEWPROJECTIONINVERSE: mat4Create(),\n    WORLDVIEWPROJECTIONINVERSE: mat4Create(),\n\n    WORLDTRANSPOSE: mat4Create(),\n    VIEWTRANSPOSE: mat4Create(),\n    PROJECTIONTRANSPOSE: mat4Create(),\n    WORLDVIEWTRANSPOSE: mat4Create(),\n    VIEWPROJECTIONTRANSPOSE: mat4Create(),\n    WORLDVIEWPROJECTIONTRANSPOSE: mat4Create(),\n    WORLDINVERSETRANSPOSE: mat4Create(),\n    VIEWINVERSETRANSPOSE: mat4Create(),\n    PROJECTIONINVERSETRANSPOSE: mat4Create(),\n    WORLDVIEWINVERSETRANSPOSE: mat4Create(),\n    VIEWPROJECTIONINVERSETRANSPOSE: mat4Create(),\n    WORLDVIEWPROJECTIONINVERSETRANSPOSE: mat4Create()\n};\n\n/**\n * @name clay.Renderer.COLOR_BUFFER_BIT\n * @type {number}\n */\nRenderer.COLOR_BUFFER_BIT = glenum.COLOR_BUFFER_BIT;\n/**\n * @name clay.Renderer.DEPTH_BUFFER_BIT\n * @type {number}\n */\nRenderer.DEPTH_BUFFER_BIT = glenum.DEPTH_BUFFER_BIT;\n/**\n * @name clay.Renderer.STENCIL_BUFFER_BIT\n * @type {number}\n */\nRenderer.STENCIL_BUFFER_BIT = glenum.STENCIL_BUFFER_BIT;\n\nexport default Renderer;\n","/**\n * @namespace clay.core.glenum\n * @see http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.14\n */\nexport default {\n    /* ClearBufferMask */\n    DEPTH_BUFFER_BIT               : 0x00000100,\n    STENCIL_BUFFER_BIT             : 0x00000400,\n    COLOR_BUFFER_BIT               : 0x00004000,\n\n    /* BeginMode */\n    POINTS                         : 0x0000,\n    LINES                          : 0x0001,\n    LINE_LOOP                      : 0x0002,\n    LINE_STRIP                     : 0x0003,\n    TRIANGLES                      : 0x0004,\n    TRIANGLE_STRIP                 : 0x0005,\n    TRIANGLE_FAN                   : 0x0006,\n\n    /* AlphaFunction (not supported in ES20) */\n    /*      NEVER */\n    /*      LESS */\n    /*      EQUAL */\n    /*      LEQUAL */\n    /*      GREATER */\n    /*      NOTEQUAL */\n    /*      GEQUAL */\n    /*      ALWAYS */\n\n    /* BlendingFactorDest */\n    ZERO                           : 0,\n    ONE                            : 1,\n    SRC_COLOR                      : 0x0300,\n    ONE_MINUS_SRC_COLOR            : 0x0301,\n    SRC_ALPHA                      : 0x0302,\n    ONE_MINUS_SRC_ALPHA            : 0x0303,\n    DST_ALPHA                      : 0x0304,\n    ONE_MINUS_DST_ALPHA            : 0x0305,\n\n    /* BlendingFactorSrc */\n    /*      ZERO */\n    /*      ONE */\n    DST_COLOR                      : 0x0306,\n    ONE_MINUS_DST_COLOR            : 0x0307,\n    SRC_ALPHA_SATURATE             : 0x0308,\n    /*      SRC_ALPHA */\n    /*      ONE_MINUS_SRC_ALPHA */\n    /*      DST_ALPHA */\n    /*      ONE_MINUS_DST_ALPHA */\n\n    /* BlendEquationSeparate */\n    FUNC_ADD                       : 0x8006,\n    BLEND_EQUATION                 : 0x8009,\n    BLEND_EQUATION_RGB             : 0x8009, /* same as BLEND_EQUATION */\n    BLEND_EQUATION_ALPHA           : 0x883D,\n\n    /* BlendSubtract */\n    FUNC_SUBTRACT                  : 0x800A,\n    FUNC_REVERSE_SUBTRACT          : 0x800B,\n\n    /* Separate Blend Functions */\n    BLEND_DST_RGB                  : 0x80C8,\n    BLEND_SRC_RGB                  : 0x80C9,\n    BLEND_DST_ALPHA                : 0x80CA,\n    BLEND_SRC_ALPHA                : 0x80CB,\n    CONSTANT_COLOR                 : 0x8001,\n    ONE_MINUS_CONSTANT_COLOR       : 0x8002,\n    CONSTANT_ALPHA                 : 0x8003,\n    ONE_MINUS_CONSTANT_ALPHA       : 0x8004,\n    BLEND_COLOR                    : 0x8005,\n\n    /* Buffer Objects */\n    ARRAY_BUFFER                   : 0x8892,\n    ELEMENT_ARRAY_BUFFER           : 0x8893,\n    ARRAY_BUFFER_BINDING           : 0x8894,\n    ELEMENT_ARRAY_BUFFER_BINDING   : 0x8895,\n\n    STREAM_DRAW                    : 0x88E0,\n    STATIC_DRAW                    : 0x88E4,\n    DYNAMIC_DRAW                   : 0x88E8,\n\n    BUFFER_SIZE                    : 0x8764,\n    BUFFER_USAGE                   : 0x8765,\n\n    CURRENT_VERTEX_ATTRIB          : 0x8626,\n\n    /* CullFaceMode */\n    FRONT                          : 0x0404,\n    BACK                           : 0x0405,\n    FRONT_AND_BACK                 : 0x0408,\n\n    /* DepthFunction */\n    /*      NEVER */\n    /*      LESS */\n    /*      EQUAL */\n    /*      LEQUAL */\n    /*      GREATER */\n    /*      NOTEQUAL */\n    /*      GEQUAL */\n    /*      ALWAYS */\n\n    /* EnableCap */\n    /* TEXTURE_2D */\n    CULL_FACE                      : 0x0B44,\n    BLEND                          : 0x0BE2,\n    DITHER                         : 0x0BD0,\n    STENCIL_TEST                   : 0x0B90,\n    DEPTH_TEST                     : 0x0B71,\n    SCISSOR_TEST                   : 0x0C11,\n    POLYGON_OFFSET_FILL            : 0x8037,\n    SAMPLE_ALPHA_TO_COVERAGE       : 0x809E,\n    SAMPLE_COVERAGE                : 0x80A0,\n\n    /* ErrorCode */\n    NO_ERROR                       : 0,\n    INVALID_ENUM                   : 0x0500,\n    INVALID_VALUE                  : 0x0501,\n    INVALID_OPERATION              : 0x0502,\n    OUT_OF_MEMORY                  : 0x0505,\n\n    /* FrontFaceDirection */\n    CW                             : 0x0900,\n    CCW                            : 0x0901,\n\n    /* GetPName */\n    LINE_WIDTH                     : 0x0B21,\n    ALIASED_POINT_SIZE_RANGE       : 0x846D,\n    ALIASED_LINE_WIDTH_RANGE       : 0x846E,\n    CULL_FACE_MODE                 : 0x0B45,\n    FRONT_FACE                     : 0x0B46,\n    DEPTH_RANGE                    : 0x0B70,\n    DEPTH_WRITEMASK                : 0x0B72,\n    DEPTH_CLEAR_VALUE              : 0x0B73,\n    DEPTH_FUNC                     : 0x0B74,\n    STENCIL_CLEAR_VALUE            : 0x0B91,\n    STENCIL_FUNC                   : 0x0B92,\n    STENCIL_FAIL                   : 0x0B94,\n    STENCIL_PASS_DEPTH_FAIL        : 0x0B95,\n    STENCIL_PASS_DEPTH_PASS        : 0x0B96,\n    STENCIL_REF                    : 0x0B97,\n    STENCIL_VALUE_MASK             : 0x0B93,\n    STENCIL_WRITEMASK              : 0x0B98,\n    STENCIL_BACK_FUNC              : 0x8800,\n    STENCIL_BACK_FAIL              : 0x8801,\n    STENCIL_BACK_PASS_DEPTH_FAIL   : 0x8802,\n    STENCIL_BACK_PASS_DEPTH_PASS   : 0x8803,\n    STENCIL_BACK_REF               : 0x8CA3,\n    STENCIL_BACK_VALUE_MASK        : 0x8CA4,\n    STENCIL_BACK_WRITEMASK         : 0x8CA5,\n    VIEWPORT                       : 0x0BA2,\n    SCISSOR_BOX                    : 0x0C10,\n    /*      SCISSOR_TEST */\n    COLOR_CLEAR_VALUE              : 0x0C22,\n    COLOR_WRITEMASK                : 0x0C23,\n    UNPACK_ALIGNMENT               : 0x0CF5,\n    PACK_ALIGNMENT                 : 0x0D05,\n    MAX_TEXTURE_SIZE               : 0x0D33,\n    MAX_VIEWPORT_DIMS              : 0x0D3A,\n    SUBPIXEL_BITS                  : 0x0D50,\n    RED_BITS                       : 0x0D52,\n    GREEN_BITS                     : 0x0D53,\n    BLUE_BITS                      : 0x0D54,\n    ALPHA_BITS                     : 0x0D55,\n    DEPTH_BITS                     : 0x0D56,\n    STENCIL_BITS                   : 0x0D57,\n    POLYGON_OFFSET_UNITS           : 0x2A00,\n    /*      POLYGON_OFFSET_FILL */\n    POLYGON_OFFSET_FACTOR          : 0x8038,\n    TEXTURE_BINDING_2D             : 0x8069,\n    SAMPLE_BUFFERS                 : 0x80A8,\n    SAMPLES                        : 0x80A9,\n    SAMPLE_COVERAGE_VALUE          : 0x80AA,\n    SAMPLE_COVERAGE_INVERT         : 0x80AB,\n\n    /* GetTextureParameter */\n    /*      TEXTURE_MAG_FILTER */\n    /*      TEXTURE_MIN_FILTER */\n    /*      TEXTURE_WRAP_S */\n    /*      TEXTURE_WRAP_T */\n\n    COMPRESSED_TEXTURE_FORMATS     : 0x86A3,\n\n    /* HintMode */\n    DONT_CARE                      : 0x1100,\n    FASTEST                        : 0x1101,\n    NICEST                         : 0x1102,\n\n    /* HintTarget */\n    GENERATE_MIPMAP_HINT            : 0x8192,\n\n    /* DataType */\n    BYTE                           : 0x1400,\n    UNSIGNED_BYTE                  : 0x1401,\n    SHORT                          : 0x1402,\n    UNSIGNED_SHORT                 : 0x1403,\n    INT                            : 0x1404,\n    UNSIGNED_INT                   : 0x1405,\n    FLOAT                          : 0x1406,\n\n    /* PixelFormat */\n    DEPTH_COMPONENT                : 0x1902,\n    ALPHA                          : 0x1906,\n    RGB                            : 0x1907,\n    RGBA                           : 0x1908,\n    LUMINANCE                      : 0x1909,\n    LUMINANCE_ALPHA                : 0x190A,\n\n    /* PixelType */\n    /*      UNSIGNED_BYTE */\n    UNSIGNED_SHORT_4_4_4_4         : 0x8033,\n    UNSIGNED_SHORT_5_5_5_1         : 0x8034,\n    UNSIGNED_SHORT_5_6_5           : 0x8363,\n\n    /* Shaders */\n    FRAGMENT_SHADER                  : 0x8B30,\n    VERTEX_SHADER                    : 0x8B31,\n    MAX_VERTEX_ATTRIBS               : 0x8869,\n    MAX_VERTEX_UNIFORM_VECTORS       : 0x8DFB,\n    MAX_VARYING_VECTORS              : 0x8DFC,\n    MAX_COMBINED_TEXTURE_IMAGE_UNITS : 0x8B4D,\n    MAX_VERTEX_TEXTURE_IMAGE_UNITS   : 0x8B4C,\n    MAX_TEXTURE_IMAGE_UNITS          : 0x8872,\n    MAX_FRAGMENT_UNIFORM_VECTORS     : 0x8DFD,\n    SHADER_TYPE                      : 0x8B4F,\n    DELETE_STATUS                    : 0x8B80,\n    LINK_STATUS                      : 0x8B82,\n    VALIDATE_STATUS                  : 0x8B83,\n    ATTACHED_SHADERS                 : 0x8B85,\n    ACTIVE_UNIFORMS                  : 0x8B86,\n    ACTIVE_ATTRIBUTES                : 0x8B89,\n    SHADING_LANGUAGE_VERSION         : 0x8B8C,\n    CURRENT_PROGRAM                  : 0x8B8D,\n\n    /* StencilFunction */\n    NEVER                          : 0x0200,\n    LESS                           : 0x0201,\n    EQUAL                          : 0x0202,\n    LEQUAL                         : 0x0203,\n    GREATER                        : 0x0204,\n    NOTEQUAL                       : 0x0205,\n    GEQUAL                         : 0x0206,\n    ALWAYS                         : 0x0207,\n\n    /* StencilOp */\n    /*      ZERO */\n    KEEP                           : 0x1E00,\n    REPLACE                        : 0x1E01,\n    INCR                           : 0x1E02,\n    DECR                           : 0x1E03,\n    INVERT                         : 0x150A,\n    INCR_WRAP                      : 0x8507,\n    DECR_WRAP                      : 0x8508,\n\n    /* StringName */\n    VENDOR                         : 0x1F00,\n    RENDERER                       : 0x1F01,\n    VERSION                        : 0x1F02,\n\n    /* TextureMagFilter */\n    NEAREST                        : 0x2600,\n    LINEAR                         : 0x2601,\n\n    /* TextureMinFilter */\n    /*      NEAREST */\n    /*      LINEAR */\n    NEAREST_MIPMAP_NEAREST         : 0x2700,\n    LINEAR_MIPMAP_NEAREST          : 0x2701,\n    NEAREST_MIPMAP_LINEAR          : 0x2702,\n    LINEAR_MIPMAP_LINEAR           : 0x2703,\n\n    /* TextureParameterName */\n    TEXTURE_MAG_FILTER             : 0x2800,\n    TEXTURE_MIN_FILTER             : 0x2801,\n    TEXTURE_WRAP_S                 : 0x2802,\n    TEXTURE_WRAP_T                 : 0x2803,\n\n    /* TextureTarget */\n    TEXTURE_2D                     : 0x0DE1,\n    TEXTURE                        : 0x1702,\n\n    TEXTURE_CUBE_MAP               : 0x8513,\n    TEXTURE_BINDING_CUBE_MAP       : 0x8514,\n    TEXTURE_CUBE_MAP_POSITIVE_X    : 0x8515,\n    TEXTURE_CUBE_MAP_NEGATIVE_X    : 0x8516,\n    TEXTURE_CUBE_MAP_POSITIVE_Y    : 0x8517,\n    TEXTURE_CUBE_MAP_NEGATIVE_Y    : 0x8518,\n    TEXTURE_CUBE_MAP_POSITIVE_Z    : 0x8519,\n    TEXTURE_CUBE_MAP_NEGATIVE_Z    : 0x851A,\n    MAX_CUBE_MAP_TEXTURE_SIZE      : 0x851C,\n\n    /* TextureUnit */\n    TEXTURE0                       : 0x84C0,\n    TEXTURE1                       : 0x84C1,\n    TEXTURE2                       : 0x84C2,\n    TEXTURE3                       : 0x84C3,\n    TEXTURE4                       : 0x84C4,\n    TEXTURE5                       : 0x84C5,\n    TEXTURE6                       : 0x84C6,\n    TEXTURE7                       : 0x84C7,\n    TEXTURE8                       : 0x84C8,\n    TEXTURE9                       : 0x84C9,\n    TEXTURE10                      : 0x84CA,\n    TEXTURE11                      : 0x84CB,\n    TEXTURE12                      : 0x84CC,\n    TEXTURE13                      : 0x84CD,\n    TEXTURE14                      : 0x84CE,\n    TEXTURE15                      : 0x84CF,\n    TEXTURE16                      : 0x84D0,\n    TEXTURE17                      : 0x84D1,\n    TEXTURE18                      : 0x84D2,\n    TEXTURE19                      : 0x84D3,\n    TEXTURE20                      : 0x84D4,\n    TEXTURE21                      : 0x84D5,\n    TEXTURE22                      : 0x84D6,\n    TEXTURE23                      : 0x84D7,\n    TEXTURE24                      : 0x84D8,\n    TEXTURE25                      : 0x84D9,\n    TEXTURE26                      : 0x84DA,\n    TEXTURE27                      : 0x84DB,\n    TEXTURE28                      : 0x84DC,\n    TEXTURE29                      : 0x84DD,\n    TEXTURE30                      : 0x84DE,\n    TEXTURE31                      : 0x84DF,\n    ACTIVE_TEXTURE                 : 0x84E0,\n\n    /* TextureWrapMode */\n    REPEAT                         : 0x2901,\n    CLAMP_TO_EDGE                  : 0x812F,\n    MIRRORED_REPEAT                : 0x8370,\n\n    /* Uniform Types */\n    FLOAT_VEC2                     : 0x8B50,\n    FLOAT_VEC3                     : 0x8B51,\n    FLOAT_VEC4                     : 0x8B52,\n    INT_VEC2                       : 0x8B53,\n    INT_VEC3                       : 0x8B54,\n    INT_VEC4                       : 0x8B55,\n    BOOL                           : 0x8B56,\n    BOOL_VEC2                      : 0x8B57,\n    BOOL_VEC3                      : 0x8B58,\n    BOOL_VEC4                      : 0x8B59,\n    FLOAT_MAT2                     : 0x8B5A,\n    FLOAT_MAT3                     : 0x8B5B,\n    FLOAT_MAT4                     : 0x8B5C,\n    SAMPLER_2D                     : 0x8B5E,\n    SAMPLER_CUBE                   : 0x8B60,\n\n    /* Vertex Arrays */\n    VERTEX_ATTRIB_ARRAY_ENABLED        : 0x8622,\n    VERTEX_ATTRIB_ARRAY_SIZE           : 0x8623,\n    VERTEX_ATTRIB_ARRAY_STRIDE         : 0x8624,\n    VERTEX_ATTRIB_ARRAY_TYPE           : 0x8625,\n    VERTEX_ATTRIB_ARRAY_NORMALIZED     : 0x886A,\n    VERTEX_ATTRIB_ARRAY_POINTER        : 0x8645,\n    VERTEX_ATTRIB_ARRAY_BUFFER_BINDING : 0x889F,\n\n    /* Shader Source */\n    COMPILE_STATUS                 : 0x8B81,\n\n    /* Shader Precision-Specified Types */\n    LOW_FLOAT                      : 0x8DF0,\n    MEDIUM_FLOAT                   : 0x8DF1,\n    HIGH_FLOAT                     : 0x8DF2,\n    LOW_INT                        : 0x8DF3,\n    MEDIUM_INT                     : 0x8DF4,\n    HIGH_INT                       : 0x8DF5,\n\n    /* Framebuffer Object. */\n    FRAMEBUFFER                    : 0x8D40,\n    RENDERBUFFER                   : 0x8D41,\n\n    RGBA4                          : 0x8056,\n    RGB5_A1                        : 0x8057,\n    RGB565                         : 0x8D62,\n    DEPTH_COMPONENT16              : 0x81A5,\n    STENCIL_INDEX                  : 0x1901,\n    STENCIL_INDEX8                 : 0x8D48,\n    DEPTH_STENCIL                  : 0x84F9,\n\n    RENDERBUFFER_WIDTH             : 0x8D42,\n    RENDERBUFFER_HEIGHT            : 0x8D43,\n    RENDERBUFFER_INTERNAL_FORMAT   : 0x8D44,\n    RENDERBUFFER_RED_SIZE          : 0x8D50,\n    RENDERBUFFER_GREEN_SIZE        : 0x8D51,\n    RENDERBUFFER_BLUE_SIZE         : 0x8D52,\n    RENDERBUFFER_ALPHA_SIZE        : 0x8D53,\n    RENDERBUFFER_DEPTH_SIZE        : 0x8D54,\n    RENDERBUFFER_STENCIL_SIZE      : 0x8D55,\n\n    FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE           : 0x8CD0,\n    FRAMEBUFFER_ATTACHMENT_OBJECT_NAME           : 0x8CD1,\n    FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL         : 0x8CD2,\n    FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE : 0x8CD3,\n\n    COLOR_ATTACHMENT0              : 0x8CE0,\n    DEPTH_ATTACHMENT               : 0x8D00,\n    STENCIL_ATTACHMENT             : 0x8D20,\n    DEPTH_STENCIL_ATTACHMENT       : 0x821A,\n\n    NONE                           : 0,\n\n    FRAMEBUFFER_COMPLETE                      : 0x8CD5,\n    FRAMEBUFFER_INCOMPLETE_ATTACHMENT         : 0x8CD6,\n    FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT : 0x8CD7,\n    FRAMEBUFFER_INCOMPLETE_DIMENSIONS         : 0x8CD9,\n    FRAMEBUFFER_UNSUPPORTED                   : 0x8CDD,\n\n    FRAMEBUFFER_BINDING            : 0x8CA6,\n    RENDERBUFFER_BINDING           : 0x8CA7,\n    MAX_RENDERBUFFER_SIZE          : 0x84E8,\n\n    INVALID_FRAMEBUFFER_OPERATION  : 0x0506,\n\n    /* WebGL-specific enums */\n    UNPACK_FLIP_Y_WEBGL            : 0x9240,\n    UNPACK_PREMULTIPLY_ALPHA_WEBGL : 0x9241,\n    CONTEXT_LOST_WEBGL             : 0x9242,\n    UNPACK_COLORSPACE_CONVERSION_WEBGL : 0x9243,\n    BROWSER_DEFAULT_WEBGL          : 0x9244,\n};\n","import vec3 from '../glmatrix/vec3';\n\n/**\n * @constructor\n * @alias clay.Vector3\n * @param {number} x\n * @param {number} y\n * @param {number} z\n */\nvar Vector3 = function(x, y, z) {\n\n    x = x || 0;\n    y = y || 0;\n    z = z || 0;\n\n    /**\n     * Storage of Vector3, read and write of x, y, z will change the values in array\n     * All methods also operate on the array instead of x, y, z components\n     * @name array\n     * @type {Float32Array}\n     * @memberOf clay.Vector3#\n     */\n    this.array = vec3.fromValues(x, y, z);\n\n    /**\n     * Dirty flag is used by the Node to determine\n     * if the matrix is updated to latest\n     * @name _dirty\n     * @type {boolean}\n     * @memberOf clay.Vector3#\n     */\n    this._dirty = true;\n};\n\nVector3.prototype = {\n\n    constructor: Vector3,\n\n    /**\n     * Add b to self\n     * @param  {clay.Vector3} b\n     * @return {clay.Vector3}\n     */\n    add: function (b) {\n        vec3.add(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set x, y and z components\n     * @param  {number}  x\n     * @param  {number}  y\n     * @param  {number}  z\n     * @return {clay.Vector3}\n     */\n    set: function (x, y, z) {\n        this.array[0] = x;\n        this.array[1] = y;\n        this.array[2] = z;\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set x, y and z components from array\n     * @param  {Float32Array|number[]} arr\n     * @return {clay.Vector3}\n     */\n    setArray: function (arr) {\n        this.array[0] = arr[0];\n        this.array[1] = arr[1];\n        this.array[2] = arr[2];\n\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Clone a new Vector3\n     * @return {clay.Vector3}\n     */\n    clone: function () {\n        return new Vector3(this.x, this.y, this.z);\n    },\n\n    /**\n     * Copy from b\n     * @param  {clay.Vector3} b\n     * @return {clay.Vector3}\n     */\n    copy: function (b) {\n        vec3.copy(this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Cross product of self and b, written to a Vector3 out\n     * @param  {clay.Vector3} a\n     * @param  {clay.Vector3} b\n     * @return {clay.Vector3}\n     */\n    cross: function (a, b) {\n        vec3.cross(this.array, a.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for distance\n     * @param  {clay.Vector3} b\n     * @return {number}\n     */\n    dist: function (b) {\n        return vec3.dist(this.array, b.array);\n    },\n\n    /**\n     * Distance between self and b\n     * @param  {clay.Vector3} b\n     * @return {number}\n     */\n    distance: function (b) {\n        return vec3.distance(this.array, b.array);\n    },\n\n    /**\n     * Alias for divide\n     * @param  {clay.Vector3} b\n     * @return {clay.Vector3}\n     */\n    div: function (b) {\n        vec3.div(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Divide self by b\n     * @param  {clay.Vector3} b\n     * @return {clay.Vector3}\n     */\n    divide: function (b) {\n        vec3.divide(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Dot product of self and b\n     * @param  {clay.Vector3} b\n     * @return {number}\n     */\n    dot: function (b) {\n        return vec3.dot(this.array, b.array);\n    },\n\n    /**\n     * Alias of length\n     * @return {number}\n     */\n    len: function () {\n        return vec3.len(this.array);\n    },\n\n    /**\n     * Calculate the length\n     * @return {number}\n     */\n    length: function () {\n        return vec3.length(this.array);\n    },\n    /**\n     * Linear interpolation between a and b\n     * @param  {clay.Vector3} a\n     * @param  {clay.Vector3} b\n     * @param  {number}  t\n     * @return {clay.Vector3}\n     */\n    lerp: function (a, b, t) {\n        vec3.lerp(this.array, a.array, b.array, t);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Minimum of self and b\n     * @param  {clay.Vector3} b\n     * @return {clay.Vector3}\n     */\n    min: function (b) {\n        vec3.min(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Maximum of self and b\n     * @param  {clay.Vector3} b\n     * @return {clay.Vector3}\n     */\n    max: function (b) {\n        vec3.max(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for multiply\n     * @param  {clay.Vector3} b\n     * @return {clay.Vector3}\n     */\n    mul: function (b) {\n        vec3.mul(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Mutiply self and b\n     * @param  {clay.Vector3} b\n     * @return {clay.Vector3}\n     */\n    multiply: function (b) {\n        vec3.multiply(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Negate self\n     * @return {clay.Vector3}\n     */\n    negate: function () {\n        vec3.negate(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Normalize self\n     * @return {clay.Vector3}\n     */\n    normalize: function () {\n        vec3.normalize(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Generate random x, y, z components with a given scale\n     * @param  {number} scale\n     * @return {clay.Vector3}\n     */\n    random: function (scale) {\n        vec3.random(this.array, scale);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Scale self\n     * @param  {number}  scale\n     * @return {clay.Vector3}\n     */\n    scale: function (s) {\n        vec3.scale(this.array, this.array, s);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Scale b and add to self\n     * @param  {clay.Vector3} b\n     * @param  {number}  scale\n     * @return {clay.Vector3}\n     */\n    scaleAndAdd: function (b, s) {\n        vec3.scaleAndAdd(this.array, this.array, b.array, s);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for squaredDistance\n     * @param  {clay.Vector3} b\n     * @return {number}\n     */\n    sqrDist: function (b) {\n        return vec3.sqrDist(this.array, b.array);\n    },\n\n    /**\n     * Squared distance between self and b\n     * @param  {clay.Vector3} b\n     * @return {number}\n     */\n    squaredDistance: function (b) {\n        return vec3.squaredDistance(this.array, b.array);\n    },\n\n    /**\n     * Alias for squaredLength\n     * @return {number}\n     */\n    sqrLen: function () {\n        return vec3.sqrLen(this.array);\n    },\n\n    /**\n     * Squared length of self\n     * @return {number}\n     */\n    squaredLength: function () {\n        return vec3.squaredLength(this.array);\n    },\n\n    /**\n     * Alias for subtract\n     * @param  {clay.Vector3} b\n     * @return {clay.Vector3}\n     */\n    sub: function (b) {\n        vec3.sub(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Subtract b from self\n     * @param  {clay.Vector3} b\n     * @return {clay.Vector3}\n     */\n    subtract: function (b) {\n        vec3.subtract(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Transform self with a Matrix3 m\n     * @param  {clay.Matrix3} m\n     * @return {clay.Vector3}\n     */\n    transformMat3: function (m) {\n        vec3.transformMat3(this.array, this.array, m.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Transform self with a Matrix4 m\n     * @param  {clay.Matrix4} m\n     * @return {clay.Vector3}\n     */\n    transformMat4: function (m) {\n        vec3.transformMat4(this.array, this.array, m.array);\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Transform self with a Quaternion q\n     * @param  {clay.Quaternion} q\n     * @return {clay.Vector3}\n     */\n    transformQuat: function (q) {\n        vec3.transformQuat(this.array, this.array, q.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Trasnform self into projection space with m\n     * @param  {clay.Matrix4} m\n     * @return {clay.Vector3}\n     */\n    applyProjection: function (m) {\n        var v = this.array;\n        m = m.array;\n\n        // Perspective projection\n        if (m[15] === 0) {\n            var w = -1 / v[2];\n            v[0] = m[0] * v[0] * w;\n            v[1] = m[5] * v[1] * w;\n            v[2] = (m[10] * v[2] + m[14]) * w;\n        }\n        else {\n            v[0] = m[0] * v[0] + m[12];\n            v[1] = m[5] * v[1] + m[13];\n            v[2] = m[10] * v[2] + m[14];\n        }\n        this._dirty = true;\n\n        return this;\n    },\n\n    eulerFromQuat: function(q, order) {\n        Vector3.eulerFromQuat(this, q, order);\n    },\n\n    eulerFromMat3: function (m, order) {\n        Vector3.eulerFromMat3(this, m, order);\n    },\n\n    toString: function() {\n        return '[' + Array.prototype.join.call(this.array, ',') + ']';\n    },\n\n    toArray: function () {\n        return Array.prototype.slice.call(this.array);\n    }\n};\n\nvar defineProperty = Object.defineProperty;\n// Getter and Setter\nif (defineProperty) {\n\n    var proto = Vector3.prototype;\n    /**\n     * @name x\n     * @type {number}\n     * @memberOf clay.Vector3\n     * @instance\n     */\n    defineProperty(proto, 'x', {\n        get: function () {\n            return this.array[0];\n        },\n        set: function (value) {\n            this.array[0] = value;\n            this._dirty = true;\n        }\n    });\n\n    /**\n     * @name y\n     * @type {number}\n     * @memberOf clay.Vector3\n     * @instance\n     */\n    defineProperty(proto, 'y', {\n        get: function () {\n            return this.array[1];\n        },\n        set: function (value) {\n            this.array[1] = value;\n            this._dirty = true;\n        }\n    });\n\n    /**\n     * @name z\n     * @type {number}\n     * @memberOf clay.Vector3\n     * @instance\n     */\n    defineProperty(proto, 'z', {\n        get: function () {\n            return this.array[2];\n        },\n        set: function (value) {\n            this.array[2] = value;\n            this._dirty = true;\n        }\n    });\n}\n\n\n// Supply methods that are not in place\n\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {clay.Vector3}\n */\nVector3.add = function(out, a, b) {\n    vec3.add(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector3} out\n * @param  {number}  x\n * @param  {number}  y\n * @param  {number}  z\n * @return {clay.Vector3}\n */\nVector3.set = function(out, x, y, z) {\n    vec3.set(out.array, x, y, z);\n    out._dirty = true;\n};\n\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} b\n * @return {clay.Vector3}\n */\nVector3.copy = function(out, b) {\n    vec3.copy(out.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {clay.Vector3}\n */\nVector3.cross = function(out, a, b) {\n    vec3.cross(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {number}\n */\nVector3.dist = function(a, b) {\n    return vec3.distance(a.array, b.array);\n};\n\n/**\n * @function\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {number}\n */\nVector3.distance = Vector3.dist;\n\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {clay.Vector3}\n */\nVector3.div = function(out, a, b) {\n    vec3.divide(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @function\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {clay.Vector3}\n */\nVector3.divide = Vector3.div;\n\n/**\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {number}\n */\nVector3.dot = function(a, b) {\n    return vec3.dot(a.array, b.array);\n};\n\n/**\n * @param  {clay.Vector3} a\n * @return {number}\n */\nVector3.len = function(b) {\n    return vec3.length(b.array);\n};\n\n// Vector3.length = Vector3.len;\n\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @param  {number}  t\n * @return {clay.Vector3}\n */\nVector3.lerp = function(out, a, b, t) {\n    vec3.lerp(out.array, a.array, b.array, t);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {clay.Vector3}\n */\nVector3.min = function(out, a, b) {\n    vec3.min(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {clay.Vector3}\n */\nVector3.max = function(out, a, b) {\n    vec3.max(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {clay.Vector3}\n */\nVector3.mul = function(out, a, b) {\n    vec3.multiply(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @function\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {clay.Vector3}\n */\nVector3.multiply = Vector3.mul;\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @return {clay.Vector3}\n */\nVector3.negate = function(out, a) {\n    vec3.negate(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @return {clay.Vector3}\n */\nVector3.normalize = function(out, a) {\n    vec3.normalize(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector3} out\n * @param  {number}  scale\n * @return {clay.Vector3}\n */\nVector3.random = function(out, scale) {\n    vec3.random(out.array, scale);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {number}  scale\n * @return {clay.Vector3}\n */\nVector3.scale = function(out, a, scale) {\n    vec3.scale(out.array, a.array, scale);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @param  {number}  scale\n * @return {clay.Vector3}\n */\nVector3.scaleAndAdd = function(out, a, b, scale) {\n    vec3.scaleAndAdd(out.array, a.array, b.array, scale);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {number}\n */\nVector3.sqrDist = function(a, b) {\n    return vec3.sqrDist(a.array, b.array);\n};\n/**\n * @function\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {number}\n */\nVector3.squaredDistance = Vector3.sqrDist;\n/**\n * @param  {clay.Vector3} a\n * @return {number}\n */\nVector3.sqrLen = function(a) {\n    return vec3.sqrLen(a.array);\n};\n/**\n * @function\n * @param  {clay.Vector3} a\n * @return {number}\n */\nVector3.squaredLength = Vector3.sqrLen;\n\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {clay.Vector3}\n */\nVector3.sub = function(out, a, b) {\n    vec3.subtract(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @function\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Vector3} b\n * @return {clay.Vector3}\n */\nVector3.subtract = Vector3.sub;\n\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {Matrix3} m\n * @return {clay.Vector3}\n */\nVector3.transformMat3 = function(out, a, m) {\n    vec3.transformMat3(out.array, a.array, m.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Matrix4} m\n * @return {clay.Vector3}\n */\nVector3.transformMat4 = function(out, a, m) {\n    vec3.transformMat4(out.array, a.array, m.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {clay.Vector3} out\n * @param  {clay.Vector3} a\n * @param  {clay.Quaternion} q\n * @return {clay.Vector3}\n */\nVector3.transformQuat = function(out, a, q) {\n    vec3.transformQuat(out.array, a.array, q.array);\n    out._dirty = true;\n    return out;\n};\n\nfunction clamp(val, min, max) {\n    return val < min ? min : (val > max ? max : val);\n}\nvar atan2 = Math.atan2;\nvar asin = Math.asin;\nvar abs = Math.abs;\n/**\n * Convert quaternion to euler angle\n * Quaternion must be normalized\n * From three.js\n */\nVector3.eulerFromQuat = function (out, q, order) {\n    out._dirty = true;\n    q = q.array;\n\n    var target = out.array;\n    var x = q[0], y = q[1], z = q[2], w = q[3];\n    var x2 = x * x;\n    var y2 = y * y;\n    var z2 = z * z;\n    var w2 = w * w;\n\n    var order = (order || 'XYZ').toUpperCase();\n\n    switch (order) {\n        case 'XYZ':\n            target[0] = atan2(2 * (x * w - y * z), (w2 - x2 - y2 + z2));\n            target[1] = asin(clamp(2 * (x * z + y * w), - 1, 1));\n            target[2] = atan2(2 * (z * w - x * y), (w2 + x2 - y2 - z2));\n            break;\n        case 'YXZ':\n            target[0] = asin(clamp(2 * (x * w - y * z), - 1, 1));\n            target[1] = atan2(2 * (x * z + y * w), (w2 - x2 - y2 + z2));\n            target[2] = atan2(2 * (x * y + z * w), (w2 - x2 + y2 - z2));\n            break;\n        case 'ZXY':\n            target[0] = asin(clamp(2 * (x * w + y * z), - 1, 1));\n            target[1] = atan2(2 * (y * w - z * x), (w2 - x2 - y2 + z2));\n            target[2] = atan2(2 * (z * w - x * y), (w2 - x2 + y2 - z2));\n            break;\n        case 'ZYX':\n            target[0] = atan2(2 * (x * w + z * y), (w2 - x2 - y2 + z2));\n            target[1] = asin(clamp(2 * (y * w - x * z), - 1, 1));\n            target[2] = atan2(2 * (x * y + z * w), (w2 + x2 - y2 - z2));\n            break;\n        case 'YZX':\n            target[0] = atan2(2 * (x * w - z * y), (w2 - x2 + y2 - z2));\n            target[1] = atan2(2 * (y * w - x * z), (w2 + x2 - y2 - z2));\n            target[2] = asin(clamp(2 * (x * y + z * w), - 1, 1));\n            break;\n        case 'XZY':\n            target[0] = atan2(2 * (x * w + y * z), (w2 - x2 + y2 - z2));\n            target[1] = atan2(2 * (x * z + y * w), (w2 + x2 - y2 - z2));\n            target[2] = asin(clamp(2 * (z * w - x * y), - 1, 1));\n            break;\n        default:\n            console.warn('Unkown order: ' + order);\n    }\n    return out;\n};\n\n/**\n * Convert rotation matrix to euler angle\n * from three.js\n */\nVector3.eulerFromMat3 = function (out, m, order) {\n    // assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)\n    var te = m.array;\n    var m11 = te[0], m12 = te[3], m13 = te[6];\n    var m21 = te[1], m22 = te[4], m23 = te[7];\n    var m31 = te[2], m32 = te[5], m33 = te[8];\n    var target = out.array;\n\n    var order = (order || 'XYZ').toUpperCase();\n\n    switch (order) {\n        case 'XYZ':\n            target[1] = asin(clamp(m13, -1, 1));\n            if (abs(m13) < 0.99999) {\n                target[0] = atan2(-m23, m33);\n                target[2] = atan2(-m12, m11);\n            }\n            else {\n                target[0] = atan2(m32, m22);\n                target[2] = 0;\n            }\n            break;\n        case 'YXZ':\n            target[0] = asin(-clamp(m23, -1, 1));\n            if (abs(m23) < 0.99999) {\n                target[1] = atan2(m13, m33);\n                target[2] = atan2(m21, m22);\n            }\n            else {\n                target[1] = atan2(-m31, m11);\n                target[2] = 0;\n            }\n            break;\n        case 'ZXY':\n            target[0] = asin(clamp(m32, -1, 1));\n            if (abs(m32) < 0.99999) {\n                target[1] = atan2(-m31, m33);\n                target[2] = atan2(-m12, m22);\n            }\n            else {\n                target[1] = 0;\n                target[2] = atan2(m21, m11);\n            }\n            break;\n        case 'ZYX':\n            target[1] = asin(-clamp(m31, -1, 1));\n            if (abs(m31) < 0.99999) {\n                target[0] = atan2(m32, m33);\n                target[2] = atan2(m21, m11);\n            }\n            else {\n                target[0] = 0;\n                target[2] = atan2(-m12, m22);\n            }\n            break;\n        case 'YZX':\n            target[2] = asin(clamp(m21, -1, 1));\n            if (abs(m21) < 0.99999) {\n                target[0] = atan2(-m23, m22);\n                target[1] = atan2(-m31, m11);\n            }\n            else {\n                target[0] = 0;\n                target[1] = atan2(m13, m33);\n            }\n            break;\n        case 'XZY':\n            target[2] = asin(-clamp(m12, -1, 1));\n            if (abs(m12) < 0.99999) {\n                target[0] = atan2(m32, m22);\n                target[1] = atan2(m13, m11);\n            }\n            else {\n                target[0] = atan2(-m23, m33);\n                target[1] = 0;\n            }\n            break;\n        default:\n            console.warn('Unkown order: ' + order);\n    }\n    out._dirty = true;\n\n    return out;\n};\n\nObject.defineProperties(Vector3, {\n    /**\n     * @type {clay.Vector3}\n     * @readOnly\n     * @memberOf clay.Vector3\n     */\n    POSITIVE_X: {\n        get: function () {\n            return new Vector3(1, 0, 0);\n        }\n    },\n    /**\n     * @type {clay.Vector3}\n     * @readOnly\n     * @memberOf clay.Vector3\n     */\n    NEGATIVE_X: {\n        get: function () {\n            return new Vector3(-1, 0, 0);\n        }\n    },\n    /**\n     * @type {clay.Vector3}\n     * @readOnly\n     * @memberOf clay.Vector3\n     */\n    POSITIVE_Y: {\n        get: function () {\n            return new Vector3(0, 1, 0);\n        }\n    },\n    /**\n     * @type {clay.Vector3}\n     * @readOnly\n     * @memberOf clay.Vector3\n     */\n    NEGATIVE_Y: {\n        get: function () {\n            return new Vector3(0, -1, 0);\n        }\n    },\n    /**\n     * @type {clay.Vector3}\n     * @readOnly\n     * @memberOf clay.Vector3\n     */\n    POSITIVE_Z: {\n        get: function () {\n            return new Vector3(0, 0, 1);\n        }\n    },\n    /**\n     * @type {clay.Vector3}\n     * @readOnly\n     */\n    NEGATIVE_Z: {\n        get: function () {\n            return new Vector3(0, 0, -1);\n        }\n    },\n    /**\n     * @type {clay.Vector3}\n     * @readOnly\n     * @memberOf clay.Vector3\n     */\n    UP: {\n        get: function () {\n            return new Vector3(0, 1, 0);\n        }\n    },\n    /**\n     * @type {clay.Vector3}\n     * @readOnly\n     * @memberOf clay.Vector3\n     */\n    ZERO: {\n        get: function () {\n            return new Vector3();\n        }\n    }\n});\n\nexport default Vector3;\n","import Vector3 from './Vector3';\nimport vec3 from '../glmatrix/vec3';\n\nvar EPSILON = 1e-5;\n\n/**\n * @constructor\n * @alias clay.Ray\n * @param {clay.Vector3} [origin]\n * @param {clay.Vector3} [direction]\n */\nvar Ray = function (origin, direction) {\n    /**\n     * @type {clay.Vector3}\n     */\n    this.origin = origin || new Vector3();\n    /**\n     * @type {clay.Vector3}\n     */\n    this.direction = direction || new Vector3();\n};\n\nRay.prototype = {\n\n    constructor: Ray,\n\n    // http://www.siggraph.org/education/materials/HyperGraph/raytrace/rayplane_intersection.htm\n    /**\n     * Calculate intersection point between ray and a give plane\n     * @param  {clay.Plane} plane\n     * @param  {clay.Vector3} [out]\n     * @return {clay.Vector3}\n     */\n    intersectPlane: function (plane, out) {\n        var pn = plane.normal.array;\n        var d = plane.distance;\n        var ro = this.origin.array;\n        var rd = this.direction.array;\n\n        var divider = vec3.dot(pn, rd);\n        // ray is parallel to the plane\n        if (divider === 0) {\n            return null;\n        }\n        if (!out) {\n            out = new Vector3();\n        }\n        var t = (vec3.dot(pn, ro) - d) / divider;\n        vec3.scaleAndAdd(out.array, ro, rd, -t);\n        out._dirty = true;\n        return out;\n    },\n\n    /**\n     * Mirror the ray against plane\n     * @param  {clay.Plane} plane\n     */\n    mirrorAgainstPlane: function (plane) {\n        // Distance to plane\n        var d = vec3.dot(plane.normal.array, this.direction.array);\n        vec3.scaleAndAdd(this.direction.array, this.direction.array, plane.normal.array, -d * 2);\n        this.direction._dirty = true;\n    },\n\n    distanceToPoint: (function () {\n        var v = vec3.create();\n        return function (point) {\n            vec3.sub(v, point, this.origin.array);\n            // Distance from projection point to origin\n            var b = vec3.dot(v, this.direction.array);\n            if (b < 0) {\n                return vec3.distance(this.origin.array, point);\n            }\n            // Squared distance from center to origin\n            var c2 = vec3.lenSquared(v);\n            // Squared distance from center to projection point\n            return Math.sqrt(c2 - b * b);\n        };\n    })(),\n\n    /**\n     * Calculate intersection point between ray and sphere\n     * @param  {clay.Vector3} center\n     * @param  {number} radius\n     * @param  {clay.Vector3} out\n     * @return {clay.Vector3}\n     */\n    intersectSphere: (function () {\n        var v = vec3.create();\n        return function (center, radius, out) {\n            var origin = this.origin.array;\n            var direction = this.direction.array;\n            center = center.array;\n            vec3.sub(v, center, origin);\n            // Distance from projection point to origin\n            var b = vec3.dot(v, direction);\n            // Squared distance from center to origin\n            var c2 = vec3.squaredLength(v);\n            // Squared distance from center to projection point\n            var d2 = c2 - b * b;\n\n            var r2 = radius * radius;\n            // No intersection\n            if (d2 > r2) {\n                return;\n            }\n\n            var a = Math.sqrt(r2 - d2);\n            // First intersect point\n            var t0 = b - a;\n            // Second intersect point\n            var t1 = b + a;\n\n            if (!out) {\n                out = new Vector3();\n            }\n            if (t0 < 0) {\n                if (t1 < 0) {\n                    return null;\n                }\n                else {\n                    vec3.scaleAndAdd(out.array, origin, direction, t1);\n                    return out;\n                }\n            }\n            else {\n                vec3.scaleAndAdd(out.array, origin, direction, t0);\n                return out;\n            }\n        };\n    })(),\n\n    // http://www.scratchapixel.com/lessons/3d-basic-lessons/lesson-7-intersecting-simple-shapes/ray-box-intersection/\n    /**\n     * Calculate intersection point between ray and bounding box\n     * @param {clay.BoundingBox} bbox\n     * @param {clay.Vector3}\n     * @return {clay.Vector3}\n     */\n    intersectBoundingBox: function (bbox, out) {\n        var dir = this.direction.array;\n        var origin = this.origin.array;\n        var min = bbox.min.array;\n        var max = bbox.max.array;\n\n        var invdirx = 1 / dir[0];\n        var invdiry = 1 / dir[1];\n        var invdirz = 1 / dir[2];\n\n        var tmin, tmax, tymin, tymax, tzmin, tzmax;\n        if (invdirx >= 0) {\n            tmin = (min[0] - origin[0]) * invdirx;\n            tmax = (max[0] - origin[0]) * invdirx;\n        }\n        else {\n            tmax = (min[0] - origin[0]) * invdirx;\n            tmin = (max[0] - origin[0]) * invdirx;\n        }\n        if (invdiry >= 0) {\n            tymin = (min[1] - origin[1]) * invdiry;\n            tymax = (max[1] - origin[1]) * invdiry;\n        }\n        else {\n            tymax = (min[1] - origin[1]) * invdiry;\n            tymin = (max[1] - origin[1]) * invdiry;\n        }\n\n        if ((tmin > tymax) || (tymin > tmax)) {\n            return null;\n        }\n\n        if (tymin > tmin || tmin !== tmin) {\n            tmin = tymin;\n        }\n        if (tymax < tmax || tmax !== tmax) {\n            tmax = tymax;\n        }\n\n        if (invdirz >= 0) {\n            tzmin = (min[2] - origin[2]) * invdirz;\n            tzmax = (max[2] - origin[2]) * invdirz;\n        }\n        else {\n            tzmax = (min[2] - origin[2]) * invdirz;\n            tzmin = (max[2] - origin[2]) * invdirz;\n        }\n\n        if ((tmin > tzmax) || (tzmin > tmax)) {\n            return null;\n        }\n\n        if (tzmin > tmin || tmin !== tmin) {\n            tmin = tzmin;\n        }\n        if (tzmax < tmax || tmax !== tmax) {\n            tmax = tzmax;\n        }\n        if (tmax < 0) {\n            return null;\n        }\n\n        var t = tmin >= 0 ? tmin : tmax;\n\n        if (!out) {\n            out = new Vector3();\n        }\n        vec3.scaleAndAdd(out.array, origin, dir, t);\n        return out;\n    },\n\n    // http://en.wikipedia.org/wiki/M%C3%B6ller%E2%80%93Trumbore_intersection_algorithm\n    /**\n     * Calculate intersection point between ray and three triangle vertices\n     * @param {clay.Vector3} a\n     * @param {clay.Vector3} b\n     * @param {clay.Vector3} c\n     * @param {boolean}           singleSided, CW triangle will be ignored\n     * @param {clay.Vector3} [out]\n     * @param {clay.Vector3} [barycenteric] barycentric coords\n     * @return {clay.Vector3}\n     */\n    intersectTriangle: (function () {\n\n        var eBA = vec3.create();\n        var eCA = vec3.create();\n        var AO = vec3.create();\n        var vCross = vec3.create();\n\n        return function (a, b, c, singleSided, out, barycenteric) {\n            var dir = this.direction.array;\n            var origin = this.origin.array;\n            a = a.array;\n            b = b.array;\n            c = c.array;\n\n            vec3.sub(eBA, b, a);\n            vec3.sub(eCA, c, a);\n\n            vec3.cross(vCross, eCA, dir);\n\n            var det = vec3.dot(eBA, vCross);\n\n            if (singleSided) {\n                if (det > -EPSILON) {\n                    return null;\n                }\n            }\n            else {\n                if (det > -EPSILON && det < EPSILON) {\n                    return null;\n                }\n            }\n\n            vec3.sub(AO, origin, a);\n            var u = vec3.dot(vCross, AO) / det;\n            if (u < 0 || u > 1) {\n                return null;\n            }\n\n            vec3.cross(vCross, eBA, AO);\n            var v = vec3.dot(dir, vCross) / det;\n\n            if (v < 0 || v > 1 || (u + v > 1)) {\n                return null;\n            }\n\n            vec3.cross(vCross, eBA, eCA);\n            var t = -vec3.dot(AO, vCross) / det;\n\n            if (t < 0) {\n                return null;\n            }\n\n            if (!out) {\n                out = new Vector3();\n            }\n            if (barycenteric) {\n                Vector3.set(barycenteric, (1 - u - v), u, v);\n            }\n            vec3.scaleAndAdd(out.array, origin, dir, t);\n\n            return out;\n        };\n    })(),\n\n    /**\n     * Apply an affine transform matrix to the ray\n     * @return {clay.Matrix4} matrix\n     */\n    applyTransform: function (matrix) {\n        Vector3.add(this.direction, this.direction, this.origin);\n        Vector3.transformMat4(this.origin, this.origin, matrix);\n        Vector3.transformMat4(this.direction, this.direction, matrix);\n\n        Vector3.sub(this.direction, this.direction, this.origin);\n        Vector3.normalize(this.direction, this.direction);\n    },\n\n    /**\n     * Copy values from another ray\n     * @param {clay.Ray} ray\n     */\n    copy: function (ray) {\n        Vector3.copy(this.origin, ray.origin);\n        Vector3.copy(this.direction, ray.direction);\n    },\n\n    /**\n     * Clone a new ray\n     * @return {clay.Ray}\n     */\n    clone: function () {\n        var ray = new Ray();\n        ray.copy(this);\n        return ray;\n    }\n};\n\nexport default Ray;\n","\n/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.\n\nRedistribution and use in source and binary forms, with or without modification,\nare permitted provided that the following conditions are met:\n\n  * Redistributions of source code must retain the above copyright notice, this\n    list of conditions and the following disclaimer.\n  * Redistributions in binary form must reproduce the above copyright notice,\n    this list of conditions and the following disclaimer in the documentation\n    and/or other materials provided with the distribution.\n\nTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\nANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\nWARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\nDISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR\nANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\nLOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\nANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\nSOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */\n\nimport { GLMAT_RANDOM, GLMAT_ARRAY_TYPE } from './common';\n\n/**\n * @class 4 Dimensional Vector\n * @name vec4\n */\n\nexport var vec4 = {};\n\n/**\n * Creates a new, empty vec4\n *\n * @returns {vec4} a new 4D vector\n */\nvec4.create = function() {\n    var out = new GLMAT_ARRAY_TYPE(4);\n    out[0] = 0;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 0;\n    return out;\n};\n\n/**\n * Creates a new vec4 initialized with values from an existing vector\n *\n * @param {vec4} a vector to clone\n * @returns {vec4} a new 4D vector\n */\nvec4.clone = function(a) {\n    var out = new GLMAT_ARRAY_TYPE(4);\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[3];\n    return out;\n};\n\n/**\n * Creates a new vec4 initialized with the given values\n *\n * @param {Number} x X component\n * @param {Number} y Y component\n * @param {Number} z Z component\n * @param {Number} w W component\n * @returns {vec4} a new 4D vector\n */\nvec4.fromValues = function(x, y, z, w) {\n    var out = new GLMAT_ARRAY_TYPE(4);\n    out[0] = x;\n    out[1] = y;\n    out[2] = z;\n    out[3] = w;\n    return out;\n};\n\n/**\n * Copy the values from one vec4 to another\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a the source vector\n * @returns {vec4} out\n */\nvec4.copy = function(out, a) {\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[3];\n    return out;\n};\n\n/**\n * Set the components of a vec4 to the given values\n *\n * @param {vec4} out the receiving vector\n * @param {Number} x X component\n * @param {Number} y Y component\n * @param {Number} z Z component\n * @param {Number} w W component\n * @returns {vec4} out\n */\nvec4.set = function(out, x, y, z, w) {\n    out[0] = x;\n    out[1] = y;\n    out[2] = z;\n    out[3] = w;\n    return out;\n};\n\n/**\n * Adds two vec4's\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a the first operand\n * @param {vec4} b the second operand\n * @returns {vec4} out\n */\nvec4.add = function(out, a, b) {\n    out[0] = a[0] + b[0];\n    out[1] = a[1] + b[1];\n    out[2] = a[2] + b[2];\n    out[3] = a[3] + b[3];\n    return out;\n};\n\n/**\n * Subtracts vector b from vector a\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a the first operand\n * @param {vec4} b the second operand\n * @returns {vec4} out\n */\nvec4.subtract = function(out, a, b) {\n    out[0] = a[0] - b[0];\n    out[1] = a[1] - b[1];\n    out[2] = a[2] - b[2];\n    out[3] = a[3] - b[3];\n    return out;\n};\n\n/**\n * Alias for {@link vec4.subtract}\n * @function\n */\nvec4.sub = vec4.subtract;\n\n/**\n * Multiplies two vec4's\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a the first operand\n * @param {vec4} b the second operand\n * @returns {vec4} out\n */\nvec4.multiply = function(out, a, b) {\n    out[0] = a[0] * b[0];\n    out[1] = a[1] * b[1];\n    out[2] = a[2] * b[2];\n    out[3] = a[3] * b[3];\n    return out;\n};\n\n/**\n * Alias for {@link vec4.multiply}\n * @function\n */\nvec4.mul = vec4.multiply;\n\n/**\n * Divides two vec4's\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a the first operand\n * @param {vec4} b the second operand\n * @returns {vec4} out\n */\nvec4.divide = function(out, a, b) {\n    out[0] = a[0] / b[0];\n    out[1] = a[1] / b[1];\n    out[2] = a[2] / b[2];\n    out[3] = a[3] / b[3];\n    return out;\n};\n\n/**\n * Alias for {@link vec4.divide}\n * @function\n */\nvec4.div = vec4.divide;\n\n/**\n * Returns the minimum of two vec4's\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a the first operand\n * @param {vec4} b the second operand\n * @returns {vec4} out\n */\nvec4.min = function(out, a, b) {\n    out[0] = Math.min(a[0], b[0]);\n    out[1] = Math.min(a[1], b[1]);\n    out[2] = Math.min(a[2], b[2]);\n    out[3] = Math.min(a[3], b[3]);\n    return out;\n};\n\n/**\n * Returns the maximum of two vec4's\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a the first operand\n * @param {vec4} b the second operand\n * @returns {vec4} out\n */\nvec4.max = function(out, a, b) {\n    out[0] = Math.max(a[0], b[0]);\n    out[1] = Math.max(a[1], b[1]);\n    out[2] = Math.max(a[2], b[2]);\n    out[3] = Math.max(a[3], b[3]);\n    return out;\n};\n\n/**\n * Scales a vec4 by a scalar number\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a the vector to scale\n * @param {Number} b amount to scale the vector by\n * @returns {vec4} out\n */\nvec4.scale = function(out, a, b) {\n    out[0] = a[0] * b;\n    out[1] = a[1] * b;\n    out[2] = a[2] * b;\n    out[3] = a[3] * b;\n    return out;\n};\n\n/**\n * Adds two vec4's after scaling the second operand by a scalar value\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a the first operand\n * @param {vec4} b the second operand\n * @param {Number} scale the amount to scale b by before adding\n * @returns {vec4} out\n */\nvec4.scaleAndAdd = function(out, a, b, scale) {\n    out[0] = a[0] + (b[0] * scale);\n    out[1] = a[1] + (b[1] * scale);\n    out[2] = a[2] + (b[2] * scale);\n    out[3] = a[3] + (b[3] * scale);\n    return out;\n};\n\n/**\n * Calculates the euclidian distance between two vec4's\n *\n * @param {vec4} a the first operand\n * @param {vec4} b the second operand\n * @returns {Number} distance between a and b\n */\nvec4.distance = function(a, b) {\n    var x = b[0] - a[0],\n        y = b[1] - a[1],\n        z = b[2] - a[2],\n        w = b[3] - a[3];\n    return Math.sqrt(x*x + y*y + z*z + w*w);\n};\n\n/**\n * Alias for {@link vec4.distance}\n * @function\n */\nvec4.dist = vec4.distance;\n\n/**\n * Calculates the squared euclidian distance between two vec4's\n *\n * @param {vec4} a the first operand\n * @param {vec4} b the second operand\n * @returns {Number} squared distance between a and b\n */\nvec4.squaredDistance = function(a, b) {\n    var x = b[0] - a[0],\n        y = b[1] - a[1],\n        z = b[2] - a[2],\n        w = b[3] - a[3];\n    return x*x + y*y + z*z + w*w;\n};\n\n/**\n * Alias for {@link vec4.squaredDistance}\n * @function\n */\nvec4.sqrDist = vec4.squaredDistance;\n\n/**\n * Calculates the length of a vec4\n *\n * @param {vec4} a vector to calculate length of\n * @returns {Number} length of a\n */\nvec4.length = function (a) {\n    var x = a[0],\n        y = a[1],\n        z = a[2],\n        w = a[3];\n    return Math.sqrt(x*x + y*y + z*z + w*w);\n};\n\n/**\n * Alias for {@link vec4.length}\n * @function\n */\nvec4.len = vec4.length;\n\n/**\n * Calculates the squared length of a vec4\n *\n * @param {vec4} a vector to calculate squared length of\n * @returns {Number} squared length of a\n */\nvec4.squaredLength = function (a) {\n    var x = a[0],\n        y = a[1],\n        z = a[2],\n        w = a[3];\n    return x*x + y*y + z*z + w*w;\n};\n\n/**\n * Alias for {@link vec4.squaredLength}\n * @function\n */\nvec4.sqrLen = vec4.squaredLength;\n\n/**\n * Negates the components of a vec4\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a vector to negate\n * @returns {vec4} out\n */\nvec4.negate = function(out, a) {\n    out[0] = -a[0];\n    out[1] = -a[1];\n    out[2] = -a[2];\n    out[3] = -a[3];\n    return out;\n};\n\n/**\n * Returns the inverse of the components of a vec4\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a vector to invert\n * @returns {vec4} out\n */\nvec4.inverse = function(out, a) {\n  out[0] = 1.0 / a[0];\n  out[1] = 1.0 / a[1];\n  out[2] = 1.0 / a[2];\n  out[3] = 1.0 / a[3];\n  return out;\n};\n\n/**\n * Normalize a vec4\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a vector to normalize\n * @returns {vec4} out\n */\nvec4.normalize = function(out, a) {\n    var x = a[0],\n        y = a[1],\n        z = a[2],\n        w = a[3];\n    var len = x*x + y*y + z*z + w*w;\n    if (len > 0) {\n        len = 1 / Math.sqrt(len);\n        out[0] = a[0] * len;\n        out[1] = a[1] * len;\n        out[2] = a[2] * len;\n        out[3] = a[3] * len;\n    }\n    return out;\n};\n\n/**\n * Calculates the dot product of two vec4's\n *\n * @param {vec4} a the first operand\n * @param {vec4} b the second operand\n * @returns {Number} dot product of a and b\n */\nvec4.dot = function (a, b) {\n    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];\n};\n\n/**\n * Performs a linear interpolation between two vec4's\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a the first operand\n * @param {vec4} b the second operand\n * @param {Number} t interpolation amount between the two inputs\n * @returns {vec4} out\n */\nvec4.lerp = function (out, a, b, t) {\n    var ax = a[0],\n        ay = a[1],\n        az = a[2],\n        aw = a[3];\n    out[0] = ax + t * (b[0] - ax);\n    out[1] = ay + t * (b[1] - ay);\n    out[2] = az + t * (b[2] - az);\n    out[3] = aw + t * (b[3] - aw);\n    return out;\n};\n\n/**\n * Generates a random vector with the given scale\n *\n * @param {vec4} out the receiving vector\n * @param {Number} [scale] Length of the resulting vector. If ommitted, a unit vector will be returned\n * @returns {vec4} out\n */\nvec4.random = function (out, scale) {\n    scale = scale || 1.0;\n\n    //TODO: This is a pretty awful way of doing this. Find something better.\n    out[0] = GLMAT_RANDOM();\n    out[1] = GLMAT_RANDOM();\n    out[2] = GLMAT_RANDOM();\n    out[3] = GLMAT_RANDOM();\n    vec4.normalize(out, out);\n    vec4.scale(out, out, scale);\n    return out;\n};\n\n/**\n * Transforms the vec4 with a mat4.\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a the vector to transform\n * @param {mat4} m matrix to transform with\n * @returns {vec4} out\n */\nvec4.transformMat4 = function(out, a, m) {\n    var x = a[0], y = a[1], z = a[2], w = a[3];\n    out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w;\n    out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w;\n    out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w;\n    out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w;\n    return out;\n};\n\n/**\n * Transforms the vec4 with a quat\n *\n * @param {vec4} out the receiving vector\n * @param {vec4} a the vector to transform\n * @param {quat} q quaternion to transform with\n * @returns {vec4} out\n */\nvec4.transformQuat = function(out, a, q) {\n    var x = a[0], y = a[1], z = a[2],\n        qx = q[0], qy = q[1], qz = q[2], qw = q[3],\n\n        // calculate quat * vec\n        ix = qw * x + qy * z - qz * y,\n        iy = qw * y + qz * x - qx * z,\n        iz = qw * z + qx * y - qy * x,\n        iw = -qx * x - qy * y - qz * z;\n\n    // calculate result * inverse quat\n    out[0] = ix * qw + iw * -qx + iy * -qz - iz * -qy;\n    out[1] = iy * qw + iw * -qy + iz * -qx - ix * -qz;\n    out[2] = iz * qw + iw * -qz + ix * -qy - iy * -qx;\n    return out;\n};\n\n/**\n * Perform some operation over an array of vec4s.\n *\n * @param {Array} a the array of vectors to iterate over\n * @param {Number} stride Number of elements between the start of each vec4. If 0 assumes tightly packed\n * @param {Number} offset Number of elements to skip at the beginning of the array\n * @param {Number} count Number of vec4s to iterate over. If 0 iterates over entire array\n * @param {Function} fn Function to call for each vector in the array\n * @param {Object} [arg] additional argument to pass to fn\n * @returns {Array} a\n * @function\n */\nvec4.forEach = (function() {\n    var vec = vec4.create();\n\n    return function(a, stride, offset, count, fn, arg) {\n        var i, l;\n        if(!stride) {\n            stride = 4;\n        }\n\n        if(!offset) {\n            offset = 0;\n        }\n\n        if(count) {\n            l = Math.min((count * stride) + offset, a.length);\n        } else {\n            l = a.length;\n        }\n\n        for(i = offset; i < l; i += stride) {\n            vec[0] = a[i]; vec[1] = a[i+1]; vec[2] = a[i+2]; vec[3] = a[i+3];\n            fn(vec, vec, arg);\n            a[i] = vec[0]; a[i+1] = vec[1]; a[i+2] = vec[2]; a[i+3] = vec[3];\n        }\n\n        return a;\n    };\n})();\n\nexport default vec4;","\n/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.\n\nRedistribution and use in source and binary forms, with or without modification,\nare permitted provided that the following conditions are met:\n\n  * Redistributions of source code must retain the above copyright notice, this\n    list of conditions and the following disclaimer.\n  * Redistributions in binary form must reproduce the above copyright notice,\n    this list of conditions and the following disclaimer in the documentation\n    and/or other materials provided with the distribution.\n\nTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\nANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\nWARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\nDISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR\nANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\nLOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\nANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\nSOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */\n\nimport { GLMAT_ARRAY_TYPE } from './common';\n\n/**\n * @class 3x3 Matrix\n * @name mat3\n */\n\nvar mat3 = {};\n\n/**\n * Creates a new identity mat3\n *\n * @returns {mat3} a new 3x3 matrix\n */\nmat3.create = function() {\n    var out = new GLMAT_ARRAY_TYPE(9);\n    out[0] = 1;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 0;\n    out[4] = 1;\n    out[5] = 0;\n    out[6] = 0;\n    out[7] = 0;\n    out[8] = 1;\n    return out;\n};\n\n/**\n * Copies the upper-left 3x3 values into the given mat3.\n *\n * @param {mat3} out the receiving 3x3 matrix\n * @param {mat4} a   the source 4x4 matrix\n * @returns {mat3} out\n */\nmat3.fromMat4 = function(out, a) {\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[4];\n    out[4] = a[5];\n    out[5] = a[6];\n    out[6] = a[8];\n    out[7] = a[9];\n    out[8] = a[10];\n    return out;\n};\n\n/**\n * Creates a new mat3 initialized with values from an existing matrix\n *\n * @param {mat3} a matrix to clone\n * @returns {mat3} a new 3x3 matrix\n */\nmat3.clone = function(a) {\n    var out = new GLMAT_ARRAY_TYPE(9);\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[3];\n    out[4] = a[4];\n    out[5] = a[5];\n    out[6] = a[6];\n    out[7] = a[7];\n    out[8] = a[8];\n    return out;\n};\n\n/**\n * Copy the values from one mat3 to another\n *\n * @param {mat3} out the receiving matrix\n * @param {mat3} a the source matrix\n * @returns {mat3} out\n */\nmat3.copy = function(out, a) {\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[3];\n    out[4] = a[4];\n    out[5] = a[5];\n    out[6] = a[6];\n    out[7] = a[7];\n    out[8] = a[8];\n    return out;\n};\n\n/**\n * Set a mat3 to the identity matrix\n *\n * @param {mat3} out the receiving matrix\n * @returns {mat3} out\n */\nmat3.identity = function(out) {\n    out[0] = 1;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 0;\n    out[4] = 1;\n    out[5] = 0;\n    out[6] = 0;\n    out[7] = 0;\n    out[8] = 1;\n    return out;\n};\n\n/**\n * Transpose the values of a mat3\n *\n * @param {mat3} out the receiving matrix\n * @param {mat3} a the source matrix\n * @returns {mat3} out\n */\nmat3.transpose = function(out, a) {\n    // If we are transposing ourselves we can skip a few steps but have to cache some values\n    if (out === a) {\n        var a01 = a[1], a02 = a[2], a12 = a[5];\n        out[1] = a[3];\n        out[2] = a[6];\n        out[3] = a01;\n        out[5] = a[7];\n        out[6] = a02;\n        out[7] = a12;\n    } else {\n        out[0] = a[0];\n        out[1] = a[3];\n        out[2] = a[6];\n        out[3] = a[1];\n        out[4] = a[4];\n        out[5] = a[7];\n        out[6] = a[2];\n        out[7] = a[5];\n        out[8] = a[8];\n    }\n\n    return out;\n};\n\n/**\n * Inverts a mat3\n *\n * @param {mat3} out the receiving matrix\n * @param {mat3} a the source matrix\n * @returns {mat3} out\n */\nmat3.invert = function(out, a) {\n    var a00 = a[0], a01 = a[1], a02 = a[2],\n        a10 = a[3], a11 = a[4], a12 = a[5],\n        a20 = a[6], a21 = a[7], a22 = a[8],\n\n        b01 = a22 * a11 - a12 * a21,\n        b11 = -a22 * a10 + a12 * a20,\n        b21 = a21 * a10 - a11 * a20,\n\n        // Calculate the determinant\n        det = a00 * b01 + a01 * b11 + a02 * b21;\n\n    if (!det) {\n        return null;\n    }\n    det = 1.0 / det;\n\n    out[0] = b01 * det;\n    out[1] = (-a22 * a01 + a02 * a21) * det;\n    out[2] = (a12 * a01 - a02 * a11) * det;\n    out[3] = b11 * det;\n    out[4] = (a22 * a00 - a02 * a20) * det;\n    out[5] = (-a12 * a00 + a02 * a10) * det;\n    out[6] = b21 * det;\n    out[7] = (-a21 * a00 + a01 * a20) * det;\n    out[8] = (a11 * a00 - a01 * a10) * det;\n    return out;\n};\n\n/**\n * Calculates the adjugate of a mat3\n *\n * @param {mat3} out the receiving matrix\n * @param {mat3} a the source matrix\n * @returns {mat3} out\n */\nmat3.adjoint = function(out, a) {\n    var a00 = a[0], a01 = a[1], a02 = a[2],\n        a10 = a[3], a11 = a[4], a12 = a[5],\n        a20 = a[6], a21 = a[7], a22 = a[8];\n\n    out[0] = (a11 * a22 - a12 * a21);\n    out[1] = (a02 * a21 - a01 * a22);\n    out[2] = (a01 * a12 - a02 * a11);\n    out[3] = (a12 * a20 - a10 * a22);\n    out[4] = (a00 * a22 - a02 * a20);\n    out[5] = (a02 * a10 - a00 * a12);\n    out[6] = (a10 * a21 - a11 * a20);\n    out[7] = (a01 * a20 - a00 * a21);\n    out[8] = (a00 * a11 - a01 * a10);\n    return out;\n};\n\n/**\n * Calculates the determinant of a mat3\n *\n * @param {mat3} a the source matrix\n * @returns {Number} determinant of a\n */\nmat3.determinant = function (a) {\n    var a00 = a[0], a01 = a[1], a02 = a[2],\n        a10 = a[3], a11 = a[4], a12 = a[5],\n        a20 = a[6], a21 = a[7], a22 = a[8];\n\n    return a00 * (a22 * a11 - a12 * a21) + a01 * (-a22 * a10 + a12 * a20) + a02 * (a21 * a10 - a11 * a20);\n};\n\n/**\n * Multiplies two mat3's\n *\n * @param {mat3} out the receiving matrix\n * @param {mat3} a the first operand\n * @param {mat3} b the second operand\n * @returns {mat3} out\n */\nmat3.multiply = function (out, a, b) {\n    var a00 = a[0], a01 = a[1], a02 = a[2],\n        a10 = a[3], a11 = a[4], a12 = a[5],\n        a20 = a[6], a21 = a[7], a22 = a[8],\n\n        b00 = b[0], b01 = b[1], b02 = b[2],\n        b10 = b[3], b11 = b[4], b12 = b[5],\n        b20 = b[6], b21 = b[7], b22 = b[8];\n\n    out[0] = b00 * a00 + b01 * a10 + b02 * a20;\n    out[1] = b00 * a01 + b01 * a11 + b02 * a21;\n    out[2] = b00 * a02 + b01 * a12 + b02 * a22;\n\n    out[3] = b10 * a00 + b11 * a10 + b12 * a20;\n    out[4] = b10 * a01 + b11 * a11 + b12 * a21;\n    out[5] = b10 * a02 + b11 * a12 + b12 * a22;\n\n    out[6] = b20 * a00 + b21 * a10 + b22 * a20;\n    out[7] = b20 * a01 + b21 * a11 + b22 * a21;\n    out[8] = b20 * a02 + b21 * a12 + b22 * a22;\n    return out;\n};\n\n/**\n * Alias for {@link mat3.multiply}\n * @function\n */\nmat3.mul = mat3.multiply;\n\n/**\n * Translate a mat3 by the given vector\n *\n * @param {mat3} out the receiving matrix\n * @param {mat3} a the matrix to translate\n * @param {vec2} v vector to translate by\n * @returns {mat3} out\n */\nmat3.translate = function(out, a, v) {\n    var a00 = a[0], a01 = a[1], a02 = a[2],\n        a10 = a[3], a11 = a[4], a12 = a[5],\n        a20 = a[6], a21 = a[7], a22 = a[8],\n        x = v[0], y = v[1];\n\n    out[0] = a00;\n    out[1] = a01;\n    out[2] = a02;\n\n    out[3] = a10;\n    out[4] = a11;\n    out[5] = a12;\n\n    out[6] = x * a00 + y * a10 + a20;\n    out[7] = x * a01 + y * a11 + a21;\n    out[8] = x * a02 + y * a12 + a22;\n    return out;\n};\n\n/**\n * Rotates a mat3 by the given angle\n *\n * @param {mat3} out the receiving matrix\n * @param {mat3} a the matrix to rotate\n * @param {Number} rad the angle to rotate the matrix by\n * @returns {mat3} out\n */\nmat3.rotate = function (out, a, rad) {\n    var a00 = a[0], a01 = a[1], a02 = a[2],\n        a10 = a[3], a11 = a[4], a12 = a[5],\n        a20 = a[6], a21 = a[7], a22 = a[8],\n\n        s = Math.sin(rad),\n        c = Math.cos(rad);\n\n    out[0] = c * a00 + s * a10;\n    out[1] = c * a01 + s * a11;\n    out[2] = c * a02 + s * a12;\n\n    out[3] = c * a10 - s * a00;\n    out[4] = c * a11 - s * a01;\n    out[5] = c * a12 - s * a02;\n\n    out[6] = a20;\n    out[7] = a21;\n    out[8] = a22;\n    return out;\n};\n\n/**\n * Scales the mat3 by the dimensions in the given vec2\n *\n * @param {mat3} out the receiving matrix\n * @param {mat3} a the matrix to rotate\n * @param {vec2} v the vec2 to scale the matrix by\n * @returns {mat3} out\n **/\nmat3.scale = function(out, a, v) {\n    var x = v[0], y = v[1];\n\n    out[0] = x * a[0];\n    out[1] = x * a[1];\n    out[2] = x * a[2];\n\n    out[3] = y * a[3];\n    out[4] = y * a[4];\n    out[5] = y * a[5];\n\n    out[6] = a[6];\n    out[7] = a[7];\n    out[8] = a[8];\n    return out;\n};\n\n/**\n * Copies the values from a mat2d into a mat3\n *\n * @param {mat3} out the receiving matrix\n * @param {mat2d} a the matrix to copy\n * @returns {mat3} out\n **/\nmat3.fromMat2d = function(out, a) {\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = 0;\n\n    out[3] = a[2];\n    out[4] = a[3];\n    out[5] = 0;\n\n    out[6] = a[4];\n    out[7] = a[5];\n    out[8] = 1;\n    return out;\n};\n\n/**\n* Calculates a 3x3 matrix from the given quaternion\n*\n* @param {mat3} out mat3 receiving operation result\n* @param {quat} q Quaternion to create matrix from\n*\n* @returns {mat3} out\n*/\nmat3.fromQuat = function (out, q) {\n    var x = q[0], y = q[1], z = q[2], w = q[3],\n        x2 = x + x,\n        y2 = y + y,\n        z2 = z + z,\n\n        xx = x * x2,\n        yx = y * x2,\n        yy = y * y2,\n        zx = z * x2,\n        zy = z * y2,\n        zz = z * z2,\n        wx = w * x2,\n        wy = w * y2,\n        wz = w * z2;\n\n    out[0] = 1 - yy - zz;\n    out[3] = yx - wz;\n    out[6] = zx + wy;\n\n    out[1] = yx + wz;\n    out[4] = 1 - xx - zz;\n    out[7] = zy - wx;\n\n    out[2] = zx - wy;\n    out[5] = zy + wx;\n    out[8] = 1 - xx - yy;\n\n    return out;\n};\n\n/**\n* Calculates a 3x3 normal matrix (transpose inverse) from the 4x4 matrix\n*\n* @param {mat3} out mat3 receiving operation result\n* @param {mat4} a Mat4 to derive the normal matrix from\n*\n* @returns {mat3} out\n*/\nmat3.normalFromMat4 = function (out, a) {\n    var a00 = a[0], a01 = a[1], a02 = a[2], a03 = a[3],\n        a10 = a[4], a11 = a[5], a12 = a[6], a13 = a[7],\n        a20 = a[8], a21 = a[9], a22 = a[10], a23 = a[11],\n        a30 = a[12], a31 = a[13], a32 = a[14], a33 = a[15],\n\n        b00 = a00 * a11 - a01 * a10,\n        b01 = a00 * a12 - a02 * a10,\n        b02 = a00 * a13 - a03 * a10,\n        b03 = a01 * a12 - a02 * a11,\n        b04 = a01 * a13 - a03 * a11,\n        b05 = a02 * a13 - a03 * a12,\n        b06 = a20 * a31 - a21 * a30,\n        b07 = a20 * a32 - a22 * a30,\n        b08 = a20 * a33 - a23 * a30,\n        b09 = a21 * a32 - a22 * a31,\n        b10 = a21 * a33 - a23 * a31,\n        b11 = a22 * a33 - a23 * a32,\n\n        // Calculate the determinant\n        det = b00 * b11 - b01 * b10 + b02 * b09 + b03 * b08 - b04 * b07 + b05 * b06;\n\n    if (!det) {\n        return null;\n    }\n    det = 1.0 / det;\n\n    out[0] = (a11 * b11 - a12 * b10 + a13 * b09) * det;\n    out[1] = (a12 * b08 - a10 * b11 - a13 * b07) * det;\n    out[2] = (a10 * b10 - a11 * b08 + a13 * b06) * det;\n\n    out[3] = (a02 * b10 - a01 * b11 - a03 * b09) * det;\n    out[4] = (a00 * b11 - a02 * b08 + a03 * b07) * det;\n    out[5] = (a01 * b08 - a00 * b10 - a03 * b06) * det;\n\n    out[6] = (a31 * b05 - a32 * b04 + a33 * b03) * det;\n    out[7] = (a32 * b02 - a30 * b05 - a33 * b01) * det;\n    out[8] = (a30 * b04 - a31 * b02 + a33 * b00) * det;\n\n    return out;\n};\n\n/**\n * Returns Frobenius norm of a mat3\n *\n * @param {mat3} a the matrix to calculate Frobenius norm of\n * @returns {Number} Frobenius norm\n */\nmat3.frob = function (a) {\n    return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + Math.pow(a[6], 2) + Math.pow(a[7], 2) + Math.pow(a[8], 2)))\n};\n\n\nexport default mat3;","\n\n/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.\n\nRedistribution and use in source and binary forms, with or without modification,\nare permitted provided that the following conditions are met:\n\n  * Redistributions of source code must retain the above copyright notice, this\n    list of conditions and the following disclaimer.\n  * Redistributions in binary form must reproduce the above copyright notice,\n    this list of conditions and the following disclaimer in the documentation\n    and/or other materials provided with the distribution.\n\nTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\nANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\nWARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\nDISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR\nANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\nLOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\nANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\nSOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */\n\nimport { GLMAT_ARRAY_TYPE } from './common';\nimport vec3 from './vec3';\nimport vec4 from './vec4';\nimport mat3 from './mat3';\n\n\n/**\n * @class Quaternion\n * @name quat\n */\n\nvar quat = {};\n\n/**\n * Creates a new identity quat\n *\n * @returns {quat} a new quaternion\n */\nquat.create = function() {\n    var out = new GLMAT_ARRAY_TYPE(4);\n    out[0] = 0;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 1;\n    return out;\n};\n\n/**\n * Sets a quaternion to represent the shortest rotation from one\n * vector to another.\n *\n * Both vectors are assumed to be unit length.\n *\n * @param {quat} out the receiving quaternion.\n * @param {vec3} a the initial vector\n * @param {vec3} b the destination vector\n * @returns {quat} out\n */\nquat.rotationTo = (function() {\n    var tmpvec3 = vec3.create();\n    var xUnitVec3 = vec3.fromValues(1,0,0);\n    var yUnitVec3 = vec3.fromValues(0,1,0);\n\n    return function(out, a, b) {\n        var dot = vec3.dot(a, b);\n        if (dot < -0.999999) {\n            vec3.cross(tmpvec3, xUnitVec3, a);\n            if (vec3.length(tmpvec3) < 0.000001)\n                vec3.cross(tmpvec3, yUnitVec3, a);\n            vec3.normalize(tmpvec3, tmpvec3);\n            quat.setAxisAngle(out, tmpvec3, Math.PI);\n            return out;\n        } else if (dot > 0.999999) {\n            out[0] = 0;\n            out[1] = 0;\n            out[2] = 0;\n            out[3] = 1;\n            return out;\n        } else {\n            vec3.cross(tmpvec3, a, b);\n            out[0] = tmpvec3[0];\n            out[1] = tmpvec3[1];\n            out[2] = tmpvec3[2];\n            out[3] = 1 + dot;\n            return quat.normalize(out, out);\n        }\n    };\n})();\n\n/**\n * Sets the specified quaternion with values corresponding to the given\n * axes. Each axis is a vec3 and is expected to be unit length and\n * perpendicular to all other specified axes.\n *\n * @param {vec3} view  the vector representing the viewing direction\n * @param {vec3} right the vector representing the local \"right\" direction\n * @param {vec3} up    the vector representing the local \"up\" direction\n * @returns {quat} out\n */\nquat.setAxes = (function() {\n    var matr = mat3.create();\n\n    return function(out, view, right, up) {\n        matr[0] = right[0];\n        matr[3] = right[1];\n        matr[6] = right[2];\n\n        matr[1] = up[0];\n        matr[4] = up[1];\n        matr[7] = up[2];\n\n        matr[2] = -view[0];\n        matr[5] = -view[1];\n        matr[8] = -view[2];\n\n        return quat.normalize(out, quat.fromMat3(out, matr));\n    };\n})();\n\n/**\n * Creates a new quat initialized with values from an existing quaternion\n *\n * @param {quat} a quaternion to clone\n * @returns {quat} a new quaternion\n * @function\n */\nquat.clone = vec4.clone;\n\n/**\n * Creates a new quat initialized with the given values\n *\n * @param {Number} x X component\n * @param {Number} y Y component\n * @param {Number} z Z component\n * @param {Number} w W component\n * @returns {quat} a new quaternion\n * @function\n */\nquat.fromValues = vec4.fromValues;\n\n/**\n * Copy the values from one quat to another\n *\n * @param {quat} out the receiving quaternion\n * @param {quat} a the source quaternion\n * @returns {quat} out\n * @function\n */\nquat.copy = vec4.copy;\n\n/**\n * Set the components of a quat to the given values\n *\n * @param {quat} out the receiving quaternion\n * @param {Number} x X component\n * @param {Number} y Y component\n * @param {Number} z Z component\n * @param {Number} w W component\n * @returns {quat} out\n * @function\n */\nquat.set = vec4.set;\n\n/**\n * Set a quat to the identity quaternion\n *\n * @param {quat} out the receiving quaternion\n * @returns {quat} out\n */\nquat.identity = function(out) {\n    out[0] = 0;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 1;\n    return out;\n};\n\n/**\n * Sets a quat from the given angle and rotation axis,\n * then returns it.\n *\n * @param {quat} out the receiving quaternion\n * @param {vec3} axis the axis around which to rotate\n * @param {Number} rad the angle in radians\n * @returns {quat} out\n **/\nquat.setAxisAngle = function(out, axis, rad) {\n    rad = rad * 0.5;\n    var s = Math.sin(rad);\n    out[0] = s * axis[0];\n    out[1] = s * axis[1];\n    out[2] = s * axis[2];\n    out[3] = Math.cos(rad);\n    return out;\n};\n\n/**\n * Adds two quat's\n *\n * @param {quat} out the receiving quaternion\n * @param {quat} a the first operand\n * @param {quat} b the second operand\n * @returns {quat} out\n * @function\n */\nquat.add = vec4.add;\n\n/**\n * Multiplies two quat's\n *\n * @param {quat} out the receiving quaternion\n * @param {quat} a the first operand\n * @param {quat} b the second operand\n * @returns {quat} out\n */\nquat.multiply = function(out, a, b) {\n    var ax = a[0], ay = a[1], az = a[2], aw = a[3],\n        bx = b[0], by = b[1], bz = b[2], bw = b[3];\n\n    out[0] = ax * bw + aw * bx + ay * bz - az * by;\n    out[1] = ay * bw + aw * by + az * bx - ax * bz;\n    out[2] = az * bw + aw * bz + ax * by - ay * bx;\n    out[3] = aw * bw - ax * bx - ay * by - az * bz;\n    return out;\n};\n\n/**\n * Alias for {@link quat.multiply}\n * @function\n */\nquat.mul = quat.multiply;\n\n/**\n * Scales a quat by a scalar number\n *\n * @param {quat} out the receiving vector\n * @param {quat} a the vector to scale\n * @param {Number} b amount to scale the vector by\n * @returns {quat} out\n * @function\n */\nquat.scale = vec4.scale;\n\n/**\n * Rotates a quaternion by the given angle about the X axis\n *\n * @param {quat} out quat receiving operation result\n * @param {quat} a quat to rotate\n * @param {number} rad angle (in radians) to rotate\n * @returns {quat} out\n */\nquat.rotateX = function (out, a, rad) {\n    rad *= 0.5;\n\n    var ax = a[0], ay = a[1], az = a[2], aw = a[3],\n        bx = Math.sin(rad), bw = Math.cos(rad);\n\n    out[0] = ax * bw + aw * bx;\n    out[1] = ay * bw + az * bx;\n    out[2] = az * bw - ay * bx;\n    out[3] = aw * bw - ax * bx;\n    return out;\n};\n\n/**\n * Rotates a quaternion by the given angle about the Y axis\n *\n * @param {quat} out quat receiving operation result\n * @param {quat} a quat to rotate\n * @param {number} rad angle (in radians) to rotate\n * @returns {quat} out\n */\nquat.rotateY = function (out, a, rad) {\n    rad *= 0.5;\n\n    var ax = a[0], ay = a[1], az = a[2], aw = a[3],\n        by = Math.sin(rad), bw = Math.cos(rad);\n\n    out[0] = ax * bw - az * by;\n    out[1] = ay * bw + aw * by;\n    out[2] = az * bw + ax * by;\n    out[3] = aw * bw - ay * by;\n    return out;\n};\n\n/**\n * Rotates a quaternion by the given angle about the Z axis\n *\n * @param {quat} out quat receiving operation result\n * @param {quat} a quat to rotate\n * @param {number} rad angle (in radians) to rotate\n * @returns {quat} out\n */\nquat.rotateZ = function (out, a, rad) {\n    rad *= 0.5;\n\n    var ax = a[0], ay = a[1], az = a[2], aw = a[3],\n        bz = Math.sin(rad), bw = Math.cos(rad);\n\n    out[0] = ax * bw + ay * bz;\n    out[1] = ay * bw - ax * bz;\n    out[2] = az * bw + aw * bz;\n    out[3] = aw * bw - az * bz;\n    return out;\n};\n\n/**\n * Calculates the W component of a quat from the X, Y, and Z components.\n * Assumes that quaternion is 1 unit in length.\n * Any existing W component will be ignored.\n *\n * @param {quat} out the receiving quaternion\n * @param {quat} a quat to calculate W component of\n * @returns {quat} out\n */\nquat.calculateW = function (out, a) {\n    var x = a[0], y = a[1], z = a[2];\n\n    out[0] = x;\n    out[1] = y;\n    out[2] = z;\n    out[3] = Math.sqrt(Math.abs(1.0 - x * x - y * y - z * z));\n    return out;\n};\n\n/**\n * Calculates the dot product of two quat's\n *\n * @param {quat} a the first operand\n * @param {quat} b the second operand\n * @returns {Number} dot product of a and b\n * @function\n */\nquat.dot = vec4.dot;\n\n/**\n * Performs a linear interpolation between two quat's\n *\n * @param {quat} out the receiving quaternion\n * @param {quat} a the first operand\n * @param {quat} b the second operand\n * @param {Number} t interpolation amount between the two inputs\n * @returns {quat} out\n * @function\n */\nquat.lerp = vec4.lerp;\n\n/**\n * Performs a spherical linear interpolation between two quat\n *\n * @param {quat} out the receiving quaternion\n * @param {quat} a the first operand\n * @param {quat} b the second operand\n * @param {Number} t interpolation amount between the two inputs\n * @returns {quat} out\n */\nquat.slerp = function (out, a, b, t) {\n    // benchmarks:\n    //    http://jsperf.com/quaternion-slerp-implementations\n\n    var ax = a[0], ay = a[1], az = a[2], aw = a[3],\n        bx = b[0], by = b[1], bz = b[2], bw = b[3];\n\n    var        omega, cosom, sinom, scale0, scale1;\n\n    // calc cosine\n    cosom = ax * bx + ay * by + az * bz + aw * bw;\n    // adjust signs (if necessary)\n    if ( cosom < 0.0 ) {\n        cosom = -cosom;\n        bx = - bx;\n        by = - by;\n        bz = - bz;\n        bw = - bw;\n    }\n    // calculate coefficients\n    if ( (1.0 - cosom) > 0.000001 ) {\n        // standard case (slerp)\n        omega  = Math.acos(cosom);\n        sinom  = Math.sin(omega);\n        scale0 = Math.sin((1.0 - t) * omega) / sinom;\n        scale1 = Math.sin(t * omega) / sinom;\n    } else {\n        // \"from\" and \"to\" quaternions are very close\n        //  ... so we can do a linear interpolation\n        scale0 = 1.0 - t;\n        scale1 = t;\n    }\n    // calculate final values\n    out[0] = scale0 * ax + scale1 * bx;\n    out[1] = scale0 * ay + scale1 * by;\n    out[2] = scale0 * az + scale1 * bz;\n    out[3] = scale0 * aw + scale1 * bw;\n\n    return out;\n};\n\n/**\n * Calculates the inverse of a quat\n *\n * @param {quat} out the receiving quaternion\n * @param {quat} a quat to calculate inverse of\n * @returns {quat} out\n */\nquat.invert = function(out, a) {\n    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],\n        dot = a0*a0 + a1*a1 + a2*a2 + a3*a3,\n        invDot = dot ? 1.0/dot : 0;\n\n    // TODO: Would be faster to return [0,0,0,0] immediately if dot == 0\n\n    out[0] = -a0*invDot;\n    out[1] = -a1*invDot;\n    out[2] = -a2*invDot;\n    out[3] = a3*invDot;\n    return out;\n};\n\n/**\n * Calculates the conjugate of a quat\n * If the quaternion is normalized, this function is faster than quat.inverse and produces the same result.\n *\n * @param {quat} out the receiving quaternion\n * @param {quat} a quat to calculate conjugate of\n * @returns {quat} out\n */\nquat.conjugate = function (out, a) {\n    out[0] = -a[0];\n    out[1] = -a[1];\n    out[2] = -a[2];\n    out[3] = a[3];\n    return out;\n};\n\n/**\n * Calculates the length of a quat\n *\n * @param {quat} a vector to calculate length of\n * @returns {Number} length of a\n * @function\n */\nquat.length = vec4.length;\n\n/**\n * Alias for {@link quat.length}\n * @function\n */\nquat.len = quat.length;\n\n/**\n * Calculates the squared length of a quat\n *\n * @param {quat} a vector to calculate squared length of\n * @returns {Number} squared length of a\n * @function\n */\nquat.squaredLength = vec4.squaredLength;\n\n/**\n * Alias for {@link quat.squaredLength}\n * @function\n */\nquat.sqrLen = quat.squaredLength;\n\n/**\n * Normalize a quat\n *\n * @param {quat} out the receiving quaternion\n * @param {quat} a quaternion to normalize\n * @returns {quat} out\n * @function\n */\nquat.normalize = vec4.normalize;\n\n/**\n * Creates a quaternion from the given 3x3 rotation matrix.\n *\n * NOTE: The resultant quaternion is not normalized, so you should be sure\n * to renormalize the quaternion yourself where necessary.\n *\n * @param {quat} out the receiving quaternion\n * @param {mat3} m rotation matrix\n * @returns {quat} out\n * @function\n */\nquat.fromMat3 = function(out, m) {\n    // Algorithm in Ken Shoemake's article in 1987 SIGGRAPH course notes\n    // article \"Quaternion Calculus and Fast Animation\".\n    var fTrace = m[0] + m[4] + m[8];\n    var fRoot;\n\n    if ( fTrace > 0.0 ) {\n        // |w| > 1/2, may as well choose w > 1/2\n        fRoot = Math.sqrt(fTrace + 1.0);  // 2w\n        out[3] = 0.5 * fRoot;\n        fRoot = 0.5/fRoot;  // 1/(4w)\n        out[0] = (m[5]-m[7])*fRoot;\n        out[1] = (m[6]-m[2])*fRoot;\n        out[2] = (m[1]-m[3])*fRoot;\n    } else {\n        // |w| <= 1/2\n        var i = 0;\n        if ( m[4] > m[0] )\n          i = 1;\n        if ( m[8] > m[i*3+i] )\n          i = 2;\n        var j = (i+1)%3;\n        var k = (i+2)%3;\n\n        fRoot = Math.sqrt(m[i*3+i]-m[j*3+j]-m[k*3+k] + 1.0);\n        out[i] = 0.5 * fRoot;\n        fRoot = 0.5 / fRoot;\n        out[3] = (m[j*3+k] - m[k*3+j]) * fRoot;\n        out[j] = (m[j*3+i] + m[i*3+j]) * fRoot;\n        out[k] = (m[k*3+i] + m[i*3+k]) * fRoot;\n    }\n\n    return out;\n};\n\nexport default quat;","import mat4 from '../glmatrix/mat4';\nimport vec3 from '../glmatrix/vec3';\nimport quat from '../glmatrix/quat';\nimport mat3 from '../glmatrix/mat3';\nimport Vector3 from './Vector3';\n\n/**\n * @constructor\n * @alias clay.Matrix4\n */\nvar Matrix4 = function() {\n\n    this._axisX = new Vector3();\n    this._axisY = new Vector3();\n    this._axisZ = new Vector3();\n\n    /**\n     * Storage of Matrix4\n     * @name array\n     * @type {Float32Array}\n     * @memberOf clay.Matrix4#\n     */\n    this.array = mat4.create();\n\n    /**\n     * @name _dirty\n     * @type {boolean}\n     * @memberOf clay.Matrix4#\n     */\n    this._dirty = true;\n};\n\nMatrix4.prototype = {\n\n    constructor: Matrix4,\n\n    /**\n     * Set components from array\n     * @param  {Float32Array|number[]} arr\n     */\n    setArray: function (arr) {\n        for (var i = 0; i < this.array.length; i++) {\n            this.array[i] = arr[i];\n        }\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Calculate the adjugate of self, in-place\n     * @return {clay.Matrix4}\n     */\n    adjoint: function() {\n        mat4.adjoint(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Clone a new Matrix4\n     * @return {clay.Matrix4}\n     */\n    clone: function() {\n        return (new Matrix4()).copy(this);\n    },\n\n    /**\n     * Copy from b\n     * @param  {clay.Matrix4} b\n     * @return {clay.Matrix4}\n     */\n    copy: function(a) {\n        mat4.copy(this.array, a.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Calculate matrix determinant\n     * @return {number}\n     */\n    determinant: function() {\n        return mat4.determinant(this.array);\n    },\n\n    /**\n     * Set upper 3x3 part from quaternion\n     * @param  {clay.Quaternion} q\n     * @return {clay.Matrix4}\n     */\n    fromQuat: function(q) {\n        mat4.fromQuat(this.array, q.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set from a quaternion rotation and a vector translation\n     * @param  {clay.Quaternion} q\n     * @param  {clay.Vector3} v\n     * @return {clay.Matrix4}\n     */\n    fromRotationTranslation: function(q, v) {\n        mat4.fromRotationTranslation(this.array, q.array, v.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set from Matrix2d, it is used when converting a 2d shape to 3d space.\n     * In 3d space it is equivalent to ranslate on xy plane and rotate about z axis\n     * @param  {clay.Matrix2d} m2d\n     * @return {clay.Matrix4}\n     */\n    fromMat2d: function(m2d) {\n        Matrix4.fromMat2d(this, m2d);\n        return this;\n    },\n\n    /**\n     * Set from frustum bounds\n     * @param  {number} left\n     * @param  {number} right\n     * @param  {number} bottom\n     * @param  {number} top\n     * @param  {number} near\n     * @param  {number} far\n     * @return {clay.Matrix4}\n     */\n    frustum: function (left, right, bottom, top, near, far) {\n        mat4.frustum(this.array, left, right, bottom, top, near, far);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set to a identity matrix\n     * @return {clay.Matrix4}\n     */\n    identity: function() {\n        mat4.identity(this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Invert self\n     * @return {clay.Matrix4}\n     */\n    invert: function() {\n        mat4.invert(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set as a matrix with the given eye position, focal point, and up axis\n     * @param  {clay.Vector3} eye\n     * @param  {clay.Vector3} center\n     * @param  {clay.Vector3} up\n     * @return {clay.Matrix4}\n     */\n    lookAt: function(eye, center, up) {\n        mat4.lookAt(this.array, eye.array, center.array, up.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for mutiply\n     * @param  {clay.Matrix4} b\n     * @return {clay.Matrix4}\n     */\n    mul: function(b) {\n        mat4.mul(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for multiplyLeft\n     * @param  {clay.Matrix4} a\n     * @return {clay.Matrix4}\n     */\n    mulLeft: function(a) {\n        mat4.mul(this.array, a.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Multiply self and b\n     * @param  {clay.Matrix4} b\n     * @return {clay.Matrix4}\n     */\n    multiply: function(b) {\n        mat4.multiply(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Multiply a and self, a is on the left\n     * @param  {clay.Matrix3} a\n     * @return {clay.Matrix3}\n     */\n    multiplyLeft: function(a) {\n        mat4.multiply(this.array, a.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set as a orthographic projection matrix\n     * @param  {number} left\n     * @param  {number} right\n     * @param  {number} bottom\n     * @param  {number} top\n     * @param  {number} near\n     * @param  {number} far\n     * @return {clay.Matrix4}\n     */\n    ortho: function(left, right, bottom, top, near, far) {\n        mat4.ortho(this.array, left, right, bottom, top, near, far);\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Set as a perspective projection matrix\n     * @param  {number} fovy\n     * @param  {number} aspect\n     * @param  {number} near\n     * @param  {number} far\n     * @return {clay.Matrix4}\n     */\n    perspective: function(fovy, aspect, near, far) {\n        mat4.perspective(this.array, fovy, aspect, near, far);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Rotate self by rad about axis.\n     * Equal to right-multiply a rotaion matrix\n     * @param  {number}   rad\n     * @param  {clay.Vector3} axis\n     * @return {clay.Matrix4}\n     */\n    rotate: function(rad, axis) {\n        mat4.rotate(this.array, this.array, rad, axis.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Rotate self by a given radian about X axis.\n     * Equal to right-multiply a rotaion matrix\n     * @param {number} rad\n     * @return {clay.Matrix4}\n     */\n    rotateX: function(rad) {\n        mat4.rotateX(this.array, this.array, rad);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Rotate self by a given radian about Y axis.\n     * Equal to right-multiply a rotaion matrix\n     * @param {number} rad\n     * @return {clay.Matrix4}\n     */\n    rotateY: function(rad) {\n        mat4.rotateY(this.array, this.array, rad);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Rotate self by a given radian about Z axis.\n     * Equal to right-multiply a rotaion matrix\n     * @param {number} rad\n     * @return {clay.Matrix4}\n     */\n    rotateZ: function(rad) {\n        mat4.rotateZ(this.array, this.array, rad);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Scale self by s\n     * Equal to right-multiply a scale matrix\n     * @param  {clay.Vector3}  s\n     * @return {clay.Matrix4}\n     */\n    scale: function(v) {\n        mat4.scale(this.array, this.array, v.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Translate self by v.\n     * Equal to right-multiply a translate matrix\n     * @param  {clay.Vector3}  v\n     * @return {clay.Matrix4}\n     */\n    translate: function(v) {\n        mat4.translate(this.array, this.array, v.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Transpose self, in-place.\n     * @return {clay.Matrix2}\n     */\n    transpose: function() {\n        mat4.transpose(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Decompose a matrix to SRT\n     * @param {clay.Vector3} [scale]\n     * @param {clay.Quaternion} rotation\n     * @param {clay.Vector} position\n     * @see http://msdn.microsoft.com/en-us/library/microsoft.xna.framework.matrix.decompose.aspx\n     */\n    decomposeMatrix: (function() {\n\n        var x = vec3.create();\n        var y = vec3.create();\n        var z = vec3.create();\n\n        var m3 = mat3.create();\n\n        return function(scale, rotation, position) {\n\n            var el = this.array;\n            vec3.set(x, el[0], el[1], el[2]);\n            vec3.set(y, el[4], el[5], el[6]);\n            vec3.set(z, el[8], el[9], el[10]);\n\n            var sx = vec3.length(x);\n            var sy = vec3.length(y);\n            var sz = vec3.length(z);\n\n            // if determine is negative, we need to invert one scale\n            var det = this.determinant();\n            if (det < 0) {\n                sx = -sx;\n            }\n\n            if (scale) {\n                scale.set(sx, sy, sz);\n            }\n\n            position.set(el[12], el[13], el[14]);\n\n            mat3.fromMat4(m3, el);\n            // Not like mat4, mat3 in glmatrix seems to be row-based\n            // Seems fixed in gl-matrix 2.2.2\n            // https://github.com/toji/gl-matrix/issues/114\n            // mat3.transpose(m3, m3);\n\n            m3[0] /= sx;\n            m3[1] /= sx;\n            m3[2] /= sx;\n\n            m3[3] /= sy;\n            m3[4] /= sy;\n            m3[5] /= sy;\n\n            m3[6] /= sz;\n            m3[7] /= sz;\n            m3[8] /= sz;\n\n            quat.fromMat3(rotation.array, m3);\n            quat.normalize(rotation.array, rotation.array);\n\n            rotation._dirty = true;\n            position._dirty = true;\n        };\n    })(),\n\n    toString: function() {\n        return '[' + Array.prototype.join.call(this.array, ',') + ']';\n    },\n\n    toArray: function () {\n        return Array.prototype.slice.call(this.array);\n    }\n};\n\nvar defineProperty = Object.defineProperty;\n\nif (defineProperty) {\n    var proto = Matrix4.prototype;\n    /**\n     * Z Axis of local transform\n     * @name z\n     * @type {clay.Vector3}\n     * @memberOf clay.Matrix4\n     * @instance\n     */\n    defineProperty(proto, 'z', {\n        get: function () {\n            var el = this.array;\n            this._axisZ.set(el[8], el[9], el[10]);\n            return this._axisZ;\n        },\n        set: function (v) {\n            // TODO Here has a problem\n            // If only set an item of vector will not work\n            var el = this.array;\n            v = v.array;\n            el[8] = v[0];\n            el[9] = v[1];\n            el[10] = v[2];\n\n            this._dirty = true;\n        }\n    });\n\n    /**\n     * Y Axis of local transform\n     * @name y\n     * @type {clay.Vector3}\n     * @memberOf clay.Matrix4\n     * @instance\n     */\n    defineProperty(proto, 'y', {\n        get: function () {\n            var el = this.array;\n            this._axisY.set(el[4], el[5], el[6]);\n            return this._axisY;\n        },\n        set: function (v) {\n            var el = this.array;\n            v = v.array;\n            el[4] = v[0];\n            el[5] = v[1];\n            el[6] = v[2];\n\n            this._dirty = true;\n        }\n    });\n\n    /**\n     * X Axis of local transform\n     * @name x\n     * @type {clay.Vector3}\n     * @memberOf clay.Matrix4\n     * @instance\n     */\n    defineProperty(proto, 'x', {\n        get: function () {\n            var el = this.array;\n            this._axisX.set(el[0], el[1], el[2]);\n            return this._axisX;\n        },\n        set: function (v) {\n            var el = this.array;\n            v = v.array;\n            el[0] = v[0];\n            el[1] = v[1];\n            el[2] = v[2];\n\n            this._dirty = true;\n        }\n    })\n}\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {clay.Matrix4} a\n * @return {clay.Matrix4}\n */\nMatrix4.adjoint = function(out, a) {\n    mat4.adjoint(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {clay.Matrix4} a\n * @return {clay.Matrix4}\n */\nMatrix4.copy = function(out, a) {\n    mat4.copy(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} a\n * @return {number}\n */\nMatrix4.determinant = function(a) {\n    return mat4.determinant(a.array);\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @return {clay.Matrix4}\n */\nMatrix4.identity = function(out) {\n    mat4.identity(out.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {number}  left\n * @param  {number}  right\n * @param  {number}  bottom\n * @param  {number}  top\n * @param  {number}  near\n * @param  {number}  far\n * @return {clay.Matrix4}\n */\nMatrix4.ortho = function(out, left, right, bottom, top, near, far) {\n    mat4.ortho(out.array, left, right, bottom, top, near, far);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {number}  fovy\n * @param  {number}  aspect\n * @param  {number}  near\n * @param  {number}  far\n * @return {clay.Matrix4}\n */\nMatrix4.perspective = function(out, fovy, aspect, near, far) {\n    mat4.perspective(out.array, fovy, aspect, near, far);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {clay.Vector3} eye\n * @param  {clay.Vector3} center\n * @param  {clay.Vector3} up\n * @return {clay.Matrix4}\n */\nMatrix4.lookAt = function(out, eye, center, up) {\n    mat4.lookAt(out.array, eye.array, center.array, up.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {clay.Matrix4} a\n * @return {clay.Matrix4}\n */\nMatrix4.invert = function(out, a) {\n    mat4.invert(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {clay.Matrix4} a\n * @param  {clay.Matrix4} b\n * @return {clay.Matrix4}\n */\nMatrix4.mul = function(out, a, b) {\n    mat4.mul(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @function\n * @param  {clay.Matrix4} out\n * @param  {clay.Matrix4} a\n * @param  {clay.Matrix4} b\n * @return {clay.Matrix4}\n */\nMatrix4.multiply = Matrix4.mul;\n\n/**\n * @param  {clay.Matrix4}    out\n * @param  {clay.Quaternion} q\n * @return {clay.Matrix4}\n */\nMatrix4.fromQuat = function(out, q) {\n    mat4.fromQuat(out.array, q.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4}    out\n * @param  {clay.Quaternion} q\n * @param  {clay.Vector3}    v\n * @return {clay.Matrix4}\n */\nMatrix4.fromRotationTranslation = function(out, q, v) {\n    mat4.fromRotationTranslation(out.array, q.array, v.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} m4\n * @param  {clay.Matrix2d} m2d\n * @return {clay.Matrix4}\n */\nMatrix4.fromMat2d = function(m4, m2d) {\n    m4._dirty = true;\n    var m2d = m2d.array;\n    var m4 = m4.array;\n\n    m4[0] = m2d[0];\n    m4[4] = m2d[2];\n    m4[12] = m2d[4];\n\n    m4[1] = m2d[1];\n    m4[5] = m2d[3];\n    m4[13] = m2d[5];\n\n    return m4;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {clay.Matrix4} a\n * @param  {number}  rad\n * @param  {clay.Vector3} axis\n * @return {clay.Matrix4}\n */\nMatrix4.rotate = function(out, a, rad, axis) {\n    mat4.rotate(out.array, a.array, rad, axis.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {clay.Matrix4} a\n * @param  {number}  rad\n * @return {clay.Matrix4}\n */\nMatrix4.rotateX = function(out, a, rad) {\n    mat4.rotateX(out.array, a.array, rad);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {clay.Matrix4} a\n * @param  {number}  rad\n * @return {clay.Matrix4}\n */\nMatrix4.rotateY = function(out, a, rad) {\n    mat4.rotateY(out.array, a.array, rad);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {clay.Matrix4} a\n * @param  {number}  rad\n * @return {clay.Matrix4}\n */\nMatrix4.rotateZ = function(out, a, rad) {\n    mat4.rotateZ(out.array, a.array, rad);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {clay.Matrix4} a\n * @param  {clay.Vector3} v\n * @return {clay.Matrix4}\n */\nMatrix4.scale = function(out, a, v) {\n    mat4.scale(out.array, a.array, v.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {clay.Matrix4} a\n * @return {clay.Matrix4}\n */\nMatrix4.transpose = function(out, a) {\n    mat4.transpose(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix4} out\n * @param  {clay.Matrix4} a\n * @param  {clay.Vector3} v\n * @return {clay.Matrix4}\n */\nMatrix4.translate = function(out, a, v) {\n    mat4.translate(out.array, a.array, v.array);\n    out._dirty = true;\n    return out;\n};\n\nexport default Matrix4;\n","import quat from '../glmatrix/quat';\nimport mat3 from '../glmatrix/mat3';\n\n/**\n * @constructor\n * @alias clay.Quaternion\n * @param {number} x\n * @param {number} y\n * @param {number} z\n * @param {number} w\n */\nvar Quaternion = function (x, y, z, w) {\n\n    x = x || 0;\n    y = y || 0;\n    z = z || 0;\n    w = w === undefined ? 1 : w;\n\n    /**\n     * Storage of Quaternion, read and write of x, y, z, w will change the values in array\n     * All methods also operate on the array instead of x, y, z, w components\n     * @name array\n     * @type {Float32Array}\n     * @memberOf clay.Quaternion#\n     */\n    this.array = quat.fromValues(x, y, z, w);\n\n    /**\n     * Dirty flag is used by the Node to determine\n     * if the matrix is updated to latest\n     * @name _dirty\n     * @type {boolean}\n     * @memberOf clay.Quaternion#\n     */\n    this._dirty = true;\n};\n\nQuaternion.prototype = {\n\n    constructor: Quaternion,\n\n    /**\n     * Add b to self\n     * @param  {clay.Quaternion} b\n     * @return {clay.Quaternion}\n     */\n    add: function (b) {\n        quat.add(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Calculate the w component from x, y, z component\n     * @return {clay.Quaternion}\n     */\n    calculateW: function () {\n        quat.calculateW(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set x, y and z components\n     * @param  {number}  x\n     * @param  {number}  y\n     * @param  {number}  z\n     * @param  {number}  w\n     * @return {clay.Quaternion}\n     */\n    set: function (x, y, z, w) {\n        this.array[0] = x;\n        this.array[1] = y;\n        this.array[2] = z;\n        this.array[3] = w;\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set x, y, z and w components from array\n     * @param  {Float32Array|number[]} arr\n     * @return {clay.Quaternion}\n     */\n    setArray: function (arr) {\n        this.array[0] = arr[0];\n        this.array[1] = arr[1];\n        this.array[2] = arr[2];\n        this.array[3] = arr[3];\n\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Clone a new Quaternion\n     * @return {clay.Quaternion}\n     */\n    clone: function () {\n        return new Quaternion(this.x, this.y, this.z, this.w);\n    },\n\n    /**\n     * Calculates the conjugate of self If the quaternion is normalized,\n     * this function is faster than invert and produces the same result.\n     *\n     * @return {clay.Quaternion}\n     */\n    conjugate: function () {\n        quat.conjugate(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Copy from b\n     * @param  {clay.Quaternion} b\n     * @return {clay.Quaternion}\n     */\n    copy: function (b) {\n        quat.copy(this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Dot product of self and b\n     * @param  {clay.Quaternion} b\n     * @return {number}\n     */\n    dot: function (b) {\n        return quat.dot(this.array, b.array);\n    },\n\n    /**\n     * Set from the given 3x3 rotation matrix\n     * @param  {clay.Matrix3} m\n     * @return {clay.Quaternion}\n     */\n    fromMat3: function (m) {\n        quat.fromMat3(this.array, m.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set from the given 4x4 rotation matrix\n     * The 4th column and 4th row will be droped\n     * @param  {clay.Matrix4} m\n     * @return {clay.Quaternion}\n     */\n    fromMat4: (function () {\n        var m3 = mat3.create();\n        return function (m) {\n            mat3.fromMat4(m3, m.array);\n            // TODO Not like mat4, mat3 in glmatrix seems to be row-based\n            mat3.transpose(m3, m3);\n            quat.fromMat3(this.array, m3);\n            this._dirty = true;\n            return this;\n        };\n    })(),\n\n    /**\n     * Set to identity quaternion\n     * @return {clay.Quaternion}\n     */\n    identity: function () {\n        quat.identity(this.array);\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Invert self\n     * @return {clay.Quaternion}\n     */\n    invert: function () {\n        quat.invert(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Alias of length\n     * @return {number}\n     */\n    len: function () {\n        return quat.len(this.array);\n    },\n\n    /**\n     * Calculate the length\n     * @return {number}\n     */\n    length: function () {\n        return quat.length(this.array);\n    },\n\n    /**\n     * Linear interpolation between a and b\n     * @param  {clay.Quaternion} a\n     * @param  {clay.Quaternion} b\n     * @param  {number}  t\n     * @return {clay.Quaternion}\n     */\n    lerp: function (a, b, t) {\n        quat.lerp(this.array, a.array, b.array, t);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for multiply\n     * @param  {clay.Quaternion} b\n     * @return {clay.Quaternion}\n     */\n    mul: function (b) {\n        quat.mul(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for multiplyLeft\n     * @param  {clay.Quaternion} a\n     * @return {clay.Quaternion}\n     */\n    mulLeft: function (a) {\n        quat.multiply(this.array, a.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Mutiply self and b\n     * @param  {clay.Quaternion} b\n     * @return {clay.Quaternion}\n     */\n    multiply: function (b) {\n        quat.multiply(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Mutiply a and self\n     * Quaternion mutiply is not commutative, so the result of mutiplyLeft is different with multiply.\n     * @param  {clay.Quaternion} a\n     * @return {clay.Quaternion}\n     */\n    multiplyLeft: function (a) {\n        quat.multiply(this.array, a.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Normalize self\n     * @return {clay.Quaternion}\n     */\n    normalize: function () {\n        quat.normalize(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Rotate self by a given radian about X axis\n     * @param {number} rad\n     * @return {clay.Quaternion}\n     */\n    rotateX: function (rad) {\n        quat.rotateX(this.array, this.array, rad);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Rotate self by a given radian about Y axis\n     * @param {number} rad\n     * @return {clay.Quaternion}\n     */\n    rotateY: function (rad) {\n        quat.rotateY(this.array, this.array, rad);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Rotate self by a given radian about Z axis\n     * @param {number} rad\n     * @return {clay.Quaternion}\n     */\n    rotateZ: function (rad) {\n        quat.rotateZ(this.array, this.array, rad);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Sets self to represent the shortest rotation from Vector3 a to Vector3 b.\n     * a and b needs to be normalized\n     * @param  {clay.Vector3} a\n     * @param  {clay.Vector3} b\n     * @return {clay.Quaternion}\n     */\n    rotationTo: function (a, b) {\n        quat.rotationTo(this.array, a.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Sets self with values corresponding to the given axes\n     * @param {clay.Vector3} view\n     * @param {clay.Vector3} right\n     * @param {clay.Vector3} up\n     * @return {clay.Quaternion}\n     */\n    setAxes: function (view, right, up) {\n        quat.setAxes(this.array, view.array, right.array, up.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Sets self with a rotation axis and rotation angle\n     * @param {clay.Vector3} axis\n     * @param {number} rad\n     * @return {clay.Quaternion}\n     */\n    setAxisAngle: function (axis, rad) {\n        quat.setAxisAngle(this.array, axis.array, rad);\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Perform spherical linear interpolation between a and b\n     * @param  {clay.Quaternion} a\n     * @param  {clay.Quaternion} b\n     * @param  {number} t\n     * @return {clay.Quaternion}\n     */\n    slerp: function (a, b, t) {\n        quat.slerp(this.array, a.array, b.array, t);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for squaredLength\n     * @return {number}\n     */\n    sqrLen: function () {\n        return quat.sqrLen(this.array);\n    },\n\n    /**\n     * Squared length of self\n     * @return {number}\n     */\n    squaredLength: function () {\n        return quat.squaredLength(this.array);\n    },\n\n    /**\n     * Set from euler\n     * @param {clay.Vector3} v\n     * @param {String} order\n     */\n    fromEuler: function (v, order) {\n        return Quaternion.fromEuler(this, v, order);\n    },\n\n    toString: function () {\n        return '[' + Array.prototype.join.call(this.array, ',') + ']';\n    },\n\n    toArray: function () {\n        return Array.prototype.slice.call(this.array);\n    }\n};\n\nvar defineProperty = Object.defineProperty;\n// Getter and Setter\nif (defineProperty) {\n\n    var proto = Quaternion.prototype;\n    /**\n     * @name x\n     * @type {number}\n     * @memberOf clay.Quaternion\n     * @instance\n     */\n    defineProperty(proto, 'x', {\n        get: function () {\n            return this.array[0];\n        },\n        set: function (value) {\n            this.array[0] = value;\n            this._dirty = true;\n        }\n    });\n\n    /**\n     * @name y\n     * @type {number}\n     * @memberOf clay.Quaternion\n     * @instance\n     */\n    defineProperty(proto, 'y', {\n        get: function () {\n            return this.array[1];\n        },\n        set: function (value) {\n            this.array[1] = value;\n            this._dirty = true;\n        }\n    });\n\n    /**\n     * @name z\n     * @type {number}\n     * @memberOf clay.Quaternion\n     * @instance\n     */\n    defineProperty(proto, 'z', {\n        get: function () {\n            return this.array[2];\n        },\n        set: function (value) {\n            this.array[2] = value;\n            this._dirty = true;\n        }\n    });\n\n    /**\n     * @name w\n     * @type {number}\n     * @memberOf clay.Quaternion\n     * @instance\n     */\n    defineProperty(proto, 'w', {\n        get: function () {\n            return this.array[3];\n        },\n        set: function (value) {\n            this.array[3] = value;\n            this._dirty = true;\n        }\n    });\n}\n\n// Supply methods that are not in place\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} a\n * @param  {clay.Quaternion} b\n * @return {clay.Quaternion}\n */\nQuaternion.add = function (out, a, b) {\n    quat.add(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {number}     x\n * @param  {number}     y\n * @param  {number}     z\n * @param  {number}     w\n * @return {clay.Quaternion}\n */\nQuaternion.set = function (out, x, y, z, w) {\n    quat.set(out.array, x, y, z, w);\n    out._dirty = true;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} b\n * @return {clay.Quaternion}\n */\nQuaternion.copy = function (out, b) {\n    quat.copy(out.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} a\n * @return {clay.Quaternion}\n */\nQuaternion.calculateW = function (out, a) {\n    quat.calculateW(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} a\n * @return {clay.Quaternion}\n */\nQuaternion.conjugate = function (out, a) {\n    quat.conjugate(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @return {clay.Quaternion}\n */\nQuaternion.identity = function (out) {\n    quat.identity(out.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} a\n * @return {clay.Quaternion}\n */\nQuaternion.invert = function (out, a) {\n    quat.invert(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} a\n * @param  {clay.Quaternion} b\n * @return {number}\n */\nQuaternion.dot = function (a, b) {\n    return quat.dot(a.array, b.array);\n};\n\n/**\n * @param  {clay.Quaternion} a\n * @return {number}\n */\nQuaternion.len = function (a) {\n    return quat.length(a.array);\n};\n\n// Quaternion.length = Quaternion.len;\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} a\n * @param  {clay.Quaternion} b\n * @param  {number}     t\n * @return {clay.Quaternion}\n */\nQuaternion.lerp = function (out, a, b, t) {\n    quat.lerp(out.array, a.array, b.array, t);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} a\n * @param  {clay.Quaternion} b\n * @param  {number}     t\n * @return {clay.Quaternion}\n */\nQuaternion.slerp = function (out, a, b, t) {\n    quat.slerp(out.array, a.array, b.array, t);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} a\n * @param  {clay.Quaternion} b\n * @return {clay.Quaternion}\n */\nQuaternion.mul = function (out, a, b) {\n    quat.multiply(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @function\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} a\n * @param  {clay.Quaternion} b\n * @return {clay.Quaternion}\n */\nQuaternion.multiply = Quaternion.mul;\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} a\n * @param  {number}     rad\n * @return {clay.Quaternion}\n */\nQuaternion.rotateX = function (out, a, rad) {\n    quat.rotateX(out.array, a.array, rad);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} a\n * @param  {number}     rad\n * @return {clay.Quaternion}\n */\nQuaternion.rotateY = function (out, a, rad) {\n    quat.rotateY(out.array, a.array, rad);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} a\n * @param  {number}     rad\n * @return {clay.Quaternion}\n */\nQuaternion.rotateZ = function (out, a, rad) {\n    quat.rotateZ(out.array, a.array, rad);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Vector3}    axis\n * @param  {number}     rad\n * @return {clay.Quaternion}\n */\nQuaternion.setAxisAngle = function (out, axis, rad) {\n    quat.setAxisAngle(out.array, axis.array, rad);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Quaternion} a\n * @return {clay.Quaternion}\n */\nQuaternion.normalize = function (out, a) {\n    quat.normalize(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} a\n * @return {number}\n */\nQuaternion.sqrLen = function (a) {\n    return quat.sqrLen(a.array);\n};\n\n/**\n * @function\n * @param  {clay.Quaternion} a\n * @return {number}\n */\nQuaternion.squaredLength = Quaternion.sqrLen;\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Matrix3}    m\n * @return {clay.Quaternion}\n */\nQuaternion.fromMat3 = function (out, m) {\n    quat.fromMat3(out.array, m.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Vector3}    view\n * @param  {clay.Vector3}    right\n * @param  {clay.Vector3}    up\n * @return {clay.Quaternion}\n */\nQuaternion.setAxes = function (out, view, right, up) {\n    quat.setAxes(out.array, view.array, right.array, up.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Quaternion} out\n * @param  {clay.Vector3}    a\n * @param  {clay.Vector3}    b\n * @return {clay.Quaternion}\n */\nQuaternion.rotationTo = function (out, a, b) {\n    quat.rotationTo(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * Set quaternion from euler\n * @param {clay.Quaternion} out\n * @param {clay.Vector3} v\n * @param {String} order\n */\nQuaternion.fromEuler = function (out, v, order) {\n\n    out._dirty = true;\n\n    v = v.array;\n    var target = out.array;\n    var c1 = Math.cos(v[0] / 2);\n    var c2 = Math.cos(v[1] / 2);\n    var c3 = Math.cos(v[2] / 2);\n    var s1 = Math.sin(v[0] / 2);\n    var s2 = Math.sin(v[1] / 2);\n    var s3 = Math.sin(v[2] / 2);\n\n    var order = (order || 'XYZ').toUpperCase();\n\n    // http://www.mathworks.com/matlabcentral/fileexchange/\n    //  20696-function-to-convert-between-dcm-euler-angles-quaternions-and-euler-vectors/\n    //  content/SpinCalc.m\n\n    switch (order) {\n        case 'XYZ':\n            target[0] = s1 * c2 * c3 + c1 * s2 * s3;\n            target[1] = c1 * s2 * c3 - s1 * c2 * s3;\n            target[2] = c1 * c2 * s3 + s1 * s2 * c3;\n            target[3] = c1 * c2 * c3 - s1 * s2 * s3;\n            break;\n        case 'YXZ':\n            target[0] = s1 * c2 * c3 + c1 * s2 * s3;\n            target[1] = c1 * s2 * c3 - s1 * c2 * s3;\n            target[2] = c1 * c2 * s3 - s1 * s2 * c3;\n            target[3] = c1 * c2 * c3 + s1 * s2 * s3;\n            break;\n        case 'ZXY':\n            target[0] = s1 * c2 * c3 - c1 * s2 * s3;\n            target[1] = c1 * s2 * c3 + s1 * c2 * s3;\n            target[2] = c1 * c2 * s3 + s1 * s2 * c3;\n            target[3] = c1 * c2 * c3 - s1 * s2 * s3;\n            break;\n        case 'ZYX':\n            target[0] = s1 * c2 * c3 - c1 * s2 * s3;\n            target[1] = c1 * s2 * c3 + s1 * c2 * s3;\n            target[2] = c1 * c2 * s3 - s1 * s2 * c3;\n            target[3] = c1 * c2 * c3 + s1 * s2 * s3;\n            break;\n        case 'YZX':\n            target[0] = s1 * c2 * c3 + c1 * s2 * s3;\n            target[1] = c1 * s2 * c3 + s1 * c2 * s3;\n            target[2] = c1 * c2 * s3 - s1 * s2 * c3;\n            target[3] = c1 * c2 * c3 - s1 * s2 * s3;\n            break;\n        case 'XZY':\n            target[0] = s1 * c2 * c3 - c1 * s2 * s3;\n            target[1] = c1 * s2 * c3 - s1 * c2 * s3;\n            target[2] = c1 * c2 * s3 + s1 * s2 * c3;\n            target[3] = c1 * c2 * c3 + s1 * s2 * s3;\n            break;\n    }\n};\n\nexport default Quaternion;\n","import Vector3 from './Vector3';\nimport vec3 from '../glmatrix/vec3';\n\nvar vec3Set = vec3.set;\nvar vec3Copy = vec3.copy;\n\n/**\n * Axis aligned bounding box\n * @constructor\n * @alias clay.BoundingBox\n * @param {clay.Vector3} [min]\n * @param {clay.Vector3} [max]\n */\nvar BoundingBox = function (min, max) {\n\n    /**\n     * Minimum coords of bounding box\n     * @type {clay.Vector3}\n     */\n    this.min = min || new Vector3(Infinity, Infinity, Infinity);\n\n    /**\n     * Maximum coords of bounding box\n     * @type {clay.Vector3}\n     */\n    this.max = max || new Vector3(-Infinity, -Infinity, -Infinity);\n\n    this.vertices = null;\n};\n\nBoundingBox.prototype = {\n\n    constructor: BoundingBox,\n    /**\n     * Update min and max coords from a vertices array\n     * @param  {array} vertices\n     */\n    updateFromVertices: function (vertices) {\n        if (vertices.length > 0) {\n            var min = this.min;\n            var max = this.max;\n            var minArr = min.array;\n            var maxArr = max.array;\n            vec3Copy(minArr, vertices[0]);\n            vec3Copy(maxArr, vertices[0]);\n            for (var i = 1; i < vertices.length; i++) {\n                var vertex = vertices[i];\n\n                if (vertex[0] < minArr[0]) { minArr[0] = vertex[0]; }\n                if (vertex[1] < minArr[1]) { minArr[1] = vertex[1]; }\n                if (vertex[2] < minArr[2]) { minArr[2] = vertex[2]; }\n\n                if (vertex[0] > maxArr[0]) { maxArr[0] = vertex[0]; }\n                if (vertex[1] > maxArr[1]) { maxArr[1] = vertex[1]; }\n                if (vertex[2] > maxArr[2]) { maxArr[2] = vertex[2]; }\n            }\n            min._dirty = true;\n            max._dirty = true;\n        }\n    },\n\n    /**\n     * Union operation with another bounding box\n     * @param  {clay.BoundingBox} bbox\n     */\n    union: function (bbox) {\n        var min = this.min;\n        var max = this.max;\n        vec3.min(min.array, min.array, bbox.min.array);\n        vec3.max(max.array, max.array, bbox.max.array);\n        min._dirty = true;\n        max._dirty = true;\n        return this;\n    },\n\n    /**\n     * Intersection operation with another bounding box\n     * @param  {clay.BoundingBox} bbox\n     */\n    intersection: function (bbox) {\n        var min = this.min;\n        var max = this.max;\n        vec3.max(min.array, min.array, bbox.min.array);\n        vec3.min(max.array, max.array, bbox.max.array);\n        min._dirty = true;\n        max._dirty = true;\n        return this;\n    },\n\n    /**\n     * If intersect with another bounding box\n     * @param  {clay.BoundingBox} bbox\n     * @return {boolean}\n     */\n    intersectBoundingBox: function (bbox) {\n        var _min = this.min.array;\n        var _max = this.max.array;\n\n        var _min2 = bbox.min.array;\n        var _max2 = bbox.max.array;\n\n        return ! (_min[0] > _max2[0] || _min[1] > _max2[1] || _min[2] > _max2[2]\n            || _max[0] < _min2[0] || _max[1] < _min2[1] || _max[2] < _min2[2]);\n    },\n\n    /**\n     * If contain another bounding box entirely\n     * @param  {clay.BoundingBox} bbox\n     * @return {boolean}\n     */\n    containBoundingBox: function (bbox) {\n\n        var _min = this.min.array;\n        var _max = this.max.array;\n\n        var _min2 = bbox.min.array;\n        var _max2 = bbox.max.array;\n\n        return _min[0] <= _min2[0] && _min[1] <= _min2[1] && _min[2] <= _min2[2]\n            && _max[0] >= _max2[0] && _max[1] >= _max2[1] && _max[2] >= _max2[2];\n    },\n\n    /**\n     * If contain point entirely\n     * @param  {clay.Vector3} point\n     * @return {boolean}\n     */\n    containPoint: function (p) {\n        var _min = this.min.array;\n        var _max = this.max.array;\n\n        var _p = p.array;\n\n        return _min[0] <= _p[0] && _min[1] <= _p[1] && _min[2] <= _p[2]\n            && _max[0] >= _p[0] && _max[1] >= _p[1] && _max[2] >= _p[2];\n    },\n\n    /**\n     * If bounding box is finite\n     */\n    isFinite: function () {\n        var _min = this.min.array;\n        var _max = this.max.array;\n        return isFinite(_min[0]) && isFinite(_min[1]) && isFinite(_min[2])\n            && isFinite(_max[0]) && isFinite(_max[1]) && isFinite(_max[2]);\n    },\n\n    /**\n     * Apply an affine transform matrix to the bounding box\n     * @param  {clay.Matrix4} matrix\n     */\n    applyTransform: function (matrix) {\n        this.transformFrom(this, matrix);\n    },\n\n    /**\n     * Get from another bounding box and an affine transform matrix.\n     * @param {clay.BoundingBox} source\n     * @param {clay.Matrix4} matrix\n     */\n    transformFrom: (function () {\n        // http://dev.theomader.com/transform-bounding-boxes/\n        var xa = vec3.create();\n        var xb = vec3.create();\n        var ya = vec3.create();\n        var yb = vec3.create();\n        var za = vec3.create();\n        var zb = vec3.create();\n\n        return function (source, matrix) {\n            var min = source.min.array;\n            var max = source.max.array;\n\n            var m = matrix.array;\n\n            xa[0] = m[0] * min[0]; xa[1] = m[1] * min[0]; xa[2] = m[2] * min[0];\n            xb[0] = m[0] * max[0]; xb[1] = m[1] * max[0]; xb[2] = m[2] * max[0];\n\n            ya[0] = m[4] * min[1]; ya[1] = m[5] * min[1]; ya[2] = m[6] * min[1];\n            yb[0] = m[4] * max[1]; yb[1] = m[5] * max[1]; yb[2] = m[6] * max[1];\n\n            za[0] = m[8] * min[2]; za[1] = m[9] * min[2]; za[2] = m[10] * min[2];\n            zb[0] = m[8] * max[2]; zb[1] = m[9] * max[2]; zb[2] = m[10] * max[2];\n\n            min = this.min.array;\n            max = this.max.array;\n            min[0] = Math.min(xa[0], xb[0]) + Math.min(ya[0], yb[0]) + Math.min(za[0], zb[0]) + m[12];\n            min[1] = Math.min(xa[1], xb[1]) + Math.min(ya[1], yb[1]) + Math.min(za[1], zb[1]) + m[13];\n            min[2] = Math.min(xa[2], xb[2]) + Math.min(ya[2], yb[2]) + Math.min(za[2], zb[2]) + m[14];\n\n            max[0] = Math.max(xa[0], xb[0]) + Math.max(ya[0], yb[0]) + Math.max(za[0], zb[0]) + m[12];\n            max[1] = Math.max(xa[1], xb[1]) + Math.max(ya[1], yb[1]) + Math.max(za[1], zb[1]) + m[13];\n            max[2] = Math.max(xa[2], xb[2]) + Math.max(ya[2], yb[2]) + Math.max(za[2], zb[2]) + m[14];\n\n            this.min._dirty = true;\n            this.max._dirty = true;\n\n            return this;\n        };\n    })(),\n\n    /**\n     * Apply a projection matrix to the bounding box\n     * @param  {clay.Matrix4} matrix\n     */\n    applyProjection: function (matrix) {\n        var min = this.min.array;\n        var max = this.max.array;\n\n        var m = matrix.array;\n        // min in min z\n        var v10 = min[0];\n        var v11 = min[1];\n        var v12 = min[2];\n        // max in min z\n        var v20 = max[0];\n        var v21 = max[1];\n        var v22 = min[2];\n        // max in max z\n        var v30 = max[0];\n        var v31 = max[1];\n        var v32 = max[2];\n\n        if (m[15] === 1) {  // Orthographic projection\n            min[0] = m[0] * v10 + m[12];\n            min[1] = m[5] * v11 + m[13];\n            max[2] = m[10] * v12 + m[14];\n\n            max[0] = m[0] * v30 + m[12];\n            max[1] = m[5] * v31 + m[13];\n            min[2] = m[10] * v32 + m[14];\n        }\n        else {\n            var w = -1 / v12;\n            min[0] = m[0] * v10 * w;\n            min[1] = m[5] * v11 * w;\n            max[2] = (m[10] * v12 + m[14]) * w;\n\n            w = -1 / v22;\n            max[0] = m[0] * v20 * w;\n            max[1] = m[5] * v21 * w;\n\n            w = -1 / v32;\n            min[2] = (m[10] * v32 + m[14]) * w;\n        }\n        this.min._dirty = true;\n        this.max._dirty = true;\n\n        return this;\n    },\n\n    updateVertices: function () {\n        var vertices = this.vertices;\n        if (!vertices) {\n            // Cube vertices\n            vertices = [];\n            for (var i = 0; i < 8; i++) {\n                vertices[i] = vec3.fromValues(0, 0, 0);\n            }\n\n            /**\n             * Eight coords of bounding box\n             * @type {Float32Array[]}\n             */\n            this.vertices = vertices;\n        }\n        var min = this.min.array;\n        var max = this.max.array;\n        //--- min z\n        // min x\n        vec3Set(vertices[0], min[0], min[1], min[2]);\n        vec3Set(vertices[1], min[0], max[1], min[2]);\n        // max x\n        vec3Set(vertices[2], max[0], min[1], min[2]);\n        vec3Set(vertices[3], max[0], max[1], min[2]);\n\n        //-- max z\n        vec3Set(vertices[4], min[0], min[1], max[2]);\n        vec3Set(vertices[5], min[0], max[1], max[2]);\n        vec3Set(vertices[6], max[0], min[1], max[2]);\n        vec3Set(vertices[7], max[0], max[1], max[2]);\n\n        return this;\n    },\n    /**\n     * Copy values from another bounding box\n     * @param  {clay.BoundingBox} bbox\n     */\n    copy: function (bbox) {\n        var min = this.min;\n        var max = this.max;\n        vec3Copy(min.array, bbox.min.array);\n        vec3Copy(max.array, bbox.max.array);\n        min._dirty = true;\n        max._dirty = true;\n        return this;\n    },\n\n    /**\n     * Clone a new bounding box\n     * @return {clay.BoundingBox}\n     */\n    clone: function () {\n        var boundingBox = new BoundingBox();\n        boundingBox.copy(this);\n        return boundingBox;\n    }\n};\n\nexport default BoundingBox;\n","import Base from './core/Base';\nimport Vector3 from './math/Vector3';\nimport Quaternion from './math/Quaternion';\nimport Matrix4 from './math/Matrix4';\nimport mat4 from './glmatrix/mat4';\nimport BoundingBox from './math/BoundingBox';\n\nvar nameId = 0;\n\n/**\n * @constructor clay.Node\n * @extends clay.core.Base\n */\nvar Node = Base.extend(/** @lends clay.Node# */{\n    /**\n     * Scene node name\n     * @type {string}\n     */\n    name: '',\n\n    /**\n     * Position relative to its parent node. aka translation.\n     * @type {clay.Vector3}\n     */\n    position: null,\n\n    /**\n     * Rotation relative to its parent node. Represented by a quaternion\n     * @type {clay.Quaternion}\n     */\n    rotation: null,\n\n    /**\n     * Scale relative to its parent node\n     * @type {clay.Vector3}\n     */\n    scale: null,\n\n    /**\n     * Affine transform matrix relative to its root scene.\n     * @type {clay.Matrix4}\n     */\n    worldTransform: null,\n\n    /**\n     * Affine transform matrix relative to its parent node.\n     * Composited with position, rotation and scale.\n     * @type {clay.Matrix4}\n     */\n    localTransform: null,\n\n    /**\n     * If the local transform is update from SRT(scale, rotation, translation, which is position here) each frame\n     * @type {boolean}\n     */\n    autoUpdateLocalTransform: true,\n\n    /**\n     * Parent of current scene node\n     * @type {?clay.Node}\n     * @private\n     */\n    _parent: null,\n    /**\n     * The root scene mounted. Null if it is a isolated node\n     * @type {?clay.Scene}\n     * @private\n     */\n    _scene: null,\n    /**\n     * @type {boolean}\n     * @private\n     */\n    _needsUpdateWorldTransform: true,\n    /**\n     * @type {boolean}\n     * @private\n     */\n    _inIterating: false,\n\n    // Depth for transparent list sorting\n    __depth: 0\n\n}, function () {\n\n    if (!this.name) {\n        this.name = (this.type || 'NODE') + '_' + (nameId++);\n    }\n\n    if (!this.position) {\n        this.position = new Vector3();\n    }\n    if (!this.rotation) {\n        this.rotation = new Quaternion();\n    }\n    if (!this.scale) {\n        this.scale = new Vector3(1, 1, 1);\n    }\n\n    this.worldTransform = new Matrix4();\n    this.localTransform = new Matrix4();\n\n    this._children = [];\n\n},\n/**@lends clay.Node.prototype. */\n{\n\n    /**\n     * @type {?clay.Vector3}\n     * @instance\n     */\n    target: null,\n    /**\n     * If node and its chilren invisible\n     * @type {boolean}\n     * @instance\n     */\n    invisible: false,\n\n    /**\n     * If Node is a skinned mesh\n     * @return {boolean}\n     */\n    isSkinnedMesh: function () {\n        return false;\n    },\n    /**\n     * Return true if it is a renderable scene node, like Mesh and ParticleSystem\n     * @return {boolean}\n     */\n    isRenderable: function () {\n        return false;\n    },\n\n    /**\n     * Set the name of the scene node\n     * @param {string} name\n     */\n    setName: function (name) {\n        var scene = this._scene;\n        if (scene) {\n            var nodeRepository = scene._nodeRepository;\n            delete nodeRepository[this.name];\n            nodeRepository[name] = this;\n        }\n        this.name = name;\n    },\n\n    /**\n     * Add a child node\n     * @param {clay.Node} node\n     */\n    add: function (node) {\n        var originalParent = node._parent;\n        if (originalParent === this) {\n            return;\n        }\n        if (originalParent) {\n            originalParent.remove(node);\n        }\n        node._parent = this;\n        this._children.push(node);\n\n        var scene = this._scene;\n        if (scene && scene !== node.scene) {\n            node.traverse(this._addSelfToScene, this);\n        }\n        // Mark children needs update transform\n        // In case child are remove and added again after parent moved\n        node._needsUpdateWorldTransform = true;\n    },\n\n    /**\n     * Remove the given child scene node\n     * @param {clay.Node} node\n     */\n    remove: function (node) {\n        var children = this._children;\n        var idx = children.indexOf(node);\n        if (idx < 0) {\n            return;\n        }\n\n        children.splice(idx, 1);\n        node._parent = null;\n\n        if (this._scene) {\n            node.traverse(this._removeSelfFromScene, this);\n        }\n    },\n\n    /**\n     * Remove all children\n     */\n    removeAll: function () {\n        var children = this._children;\n\n        for (var idx = 0; idx < children.length; idx++) {\n            children[idx]._parent = null;\n\n            if (this._scene) {\n                children[idx].traverse(this._removeSelfFromScene, this);\n            }\n        }\n\n        this._children = [];\n    },\n\n    /**\n     * Get the scene mounted\n     * @return {clay.Scene}\n     */\n    getScene: function () {\n        return this._scene;\n    },\n\n    /**\n     * Get parent node\n     * @return {clay.Scene}\n     */\n    getParent: function () {\n        return this._parent;\n    },\n\n    _removeSelfFromScene: function (descendant) {\n        descendant._scene.removeFromScene(descendant);\n        descendant._scene = null;\n    },\n\n    _addSelfToScene: function (descendant) {\n        this._scene.addToScene(descendant);\n        descendant._scene = this._scene;\n    },\n\n    /**\n     * Return true if it is ancestor of the given scene node\n     * @param {clay.Node} node\n     */\n    isAncestor: function (node) {\n        var parent = node._parent;\n        while(parent) {\n            if (parent === this) {\n                return true;\n            }\n            parent = parent._parent;\n        }\n        return false;\n    },\n\n    /**\n     * Get a new created array of all children nodes\n     * @return {clay.Node[]}\n     */\n    children: function () {\n        return this._children.slice();\n    },\n\n    /**\n     * Get child scene node at given index.\n     * @param {number} idx\n     * @return {clay.Node}\n     */\n    childAt: function (idx) {\n        return this._children[idx];\n    },\n\n    /**\n     * Get first child with the given name\n     * @param {string} name\n     * @return {clay.Node}\n     */\n    getChildByName: function (name) {\n        var children = this._children;\n        for (var i = 0; i < children.length; i++) {\n            if (children[i].name === name) {\n                return children[i];\n            }\n        }\n    },\n\n    /**\n     * Get first descendant have the given name\n     * @param {string} name\n     * @return {clay.Node}\n     */\n    getDescendantByName: function (name) {\n        var children = this._children;\n        for (var i = 0; i < children.length; i++) {\n            var child = children[i];\n            if (child.name === name) {\n                return child;\n            } else {\n                var res = child.getDescendantByName(name);\n                if (res) {\n                    return res;\n                }\n            }\n        }\n    },\n\n    /**\n     * Query descendant node by path\n     * @param {string} path\n     * @return {clay.Node}\n     * @example\n     *  node.queryNode('root/parent/child');\n     */\n    queryNode: function (path) {\n        if (!path) {\n            return;\n        }\n        // TODO Name have slash ?\n        var pathArr = path.split('/');\n        var current = this;\n        for (var i = 0; i < pathArr.length; i++) {\n            var name = pathArr[i];\n            // Skip empty\n            if (!name) {\n                continue;\n            }\n            var found = false;\n            var children = current._children;\n            for (var j = 0; j < children.length; j++) {\n                var child = children[j];\n                if (child.name === name) {\n                    current = child;\n                    found = true;\n                    break;\n                }\n            }\n            // Early return if not found\n            if (!found) {\n                return;\n            }\n        }\n\n        return current;\n    },\n\n    /**\n     * Get query path, relative to rootNode(default is scene)\n     * @param {clay.Node} [rootNode]\n     * @return {string}\n     */\n    getPath: function (rootNode) {\n        if (!this._parent) {\n            return '/';\n        }\n\n        var current = this._parent;\n        var path = this.name;\n        while (current._parent) {\n            path = current.name + '/' + path;\n            if (current._parent == rootNode) {\n                break;\n            }\n            current = current._parent;\n        }\n        if (!current._parent && rootNode) {\n            return null;\n        }\n        return path;\n    },\n\n    /**\n     * Depth first traverse all its descendant scene nodes.\n     *\n     * **WARN** Don't do `add`, `remove` operation in the callback during traverse.\n     * @param {Function} callback\n     * @param {Node} [context]\n     */\n    traverse: function (callback, context) {\n        callback.call(context, this);\n        var _children = this._children;\n        for(var i = 0, len = _children.length; i < len; i++) {\n            _children[i].traverse(callback, context);\n        }\n    },\n\n    /**\n     * Traverse all children nodes.\n     *\n     * **WARN** DON'T do `add`, `remove` operation in the callback during iteration.\n     *\n     * @param {Function} callback\n     * @param {Node} [context]\n     */\n    eachChild: function (callback, context) {\n        var _children = this._children;\n        for(var i = 0, len = _children.length; i < len; i++) {\n            var child = _children[i];\n            callback.call(context, child, i);\n        }\n    },\n\n    /**\n     * Set the local transform and decompose to SRT\n     * @param {clay.Matrix4} matrix\n     */\n    setLocalTransform: function (matrix) {\n        mat4.copy(this.localTransform.array, matrix.array);\n        this.decomposeLocalTransform();\n    },\n\n    /**\n     * Decompose the local transform to SRT\n     */\n    decomposeLocalTransform: function (keepScale) {\n        var scale = !keepScale ? this.scale: null;\n        this.localTransform.decomposeMatrix(scale, this.rotation, this.position);\n    },\n\n    /**\n     * Set the world transform and decompose to SRT\n     * @param {clay.Matrix4} matrix\n     */\n    setWorldTransform: function (matrix) {\n        mat4.copy(this.worldTransform.array, matrix.array);\n        this.decomposeWorldTransform();\n    },\n\n    /**\n     * Decompose the world transform to SRT\n     * @function\n     */\n    decomposeWorldTransform: (function () {\n\n        var tmp = mat4.create();\n\n        return function (keepScale) {\n            var localTransform = this.localTransform;\n            var worldTransform = this.worldTransform;\n            // Assume world transform is updated\n            if (this._parent) {\n                mat4.invert(tmp, this._parent.worldTransform.array);\n                mat4.multiply(localTransform.array, tmp, worldTransform.array);\n            } else {\n                mat4.copy(localTransform.array, worldTransform.array);\n            }\n            var scale = !keepScale ? this.scale: null;\n            localTransform.decomposeMatrix(scale, this.rotation, this.position);\n        };\n    })(),\n\n    transformNeedsUpdate: function () {\n        return this.position._dirty\n            || this.rotation._dirty\n            || this.scale._dirty;\n    },\n\n    /**\n     * Update local transform from SRT\n     * Notice that local transform will not be updated if _dirty mark of position, rotation, scale is all false\n     */\n    updateLocalTransform: function () {\n        var position = this.position;\n        var rotation = this.rotation;\n        var scale = this.scale;\n\n        if (this.transformNeedsUpdate()) {\n            var m = this.localTransform.array;\n\n            // Transform order, scale->rotation->position\n            mat4.fromRotationTranslation(m, rotation.array, position.array);\n\n            mat4.scale(m, m, scale.array);\n\n            rotation._dirty = false;\n            scale._dirty = false;\n            position._dirty = false;\n\n            this._needsUpdateWorldTransform = true;\n        }\n    },\n\n    /**\n     * Update world transform, assume its parent world transform have been updated\n     * @private\n     */\n    _updateWorldTransformTopDown: function () {\n        var localTransform = this.localTransform.array;\n        var worldTransform = this.worldTransform.array;\n        if (this._parent) {\n            mat4.multiplyAffine(\n                worldTransform,\n                this._parent.worldTransform.array,\n                localTransform\n            );\n        }\n        else {\n            mat4.copy(worldTransform, localTransform);\n        }\n    },\n\n    /**\n     * Update world transform before whole scene is updated.\n     */\n    updateWorldTransform: function () {\n        // Find the root node which transform needs update;\n        var rootNodeIsDirty = this;\n        while (rootNodeIsDirty && rootNodeIsDirty.getParent()\n            && rootNodeIsDirty.getParent().transformNeedsUpdate()\n        ) {\n            rootNodeIsDirty = rootNodeIsDirty.getParent();\n        }\n        rootNodeIsDirty.update();\n    },\n\n    /**\n     * Update local transform and world transform recursively\n     * @param {boolean} forceUpdateWorld\n     */\n    update: function (forceUpdateWorld) {\n        if (this.autoUpdateLocalTransform) {\n            this.updateLocalTransform();\n        }\n        else {\n            // Transform is manually setted\n            forceUpdateWorld = true;\n        }\n\n        if (forceUpdateWorld || this._needsUpdateWorldTransform) {\n            this._updateWorldTransformTopDown();\n            forceUpdateWorld = true;\n            this._needsUpdateWorldTransform = false;\n        }\n\n        var children = this._children;\n        for(var i = 0, len = children.length; i < len; i++) {\n            children[i].update(forceUpdateWorld);\n        }\n    },\n\n    /**\n     * Get bounding box of node\n     * @param  {Function} [filter]\n     * @param  {clay.BoundingBox} [out]\n     * @return {clay.BoundingBox}\n     */\n    // TODO Skinning\n    getBoundingBox: (function () {\n        function defaultFilter (el) {\n            return !el.invisible && el.geometry;\n        }\n        var tmpBBox = new BoundingBox();\n        var tmpMat4 = new Matrix4();\n        var invWorldTransform = new Matrix4();\n        return function (filter, out) {\n            out = out || new BoundingBox();\n            filter = filter || defaultFilter;\n\n            if (this._parent) {\n                Matrix4.invert(invWorldTransform, this._parent.worldTransform);\n            }\n            else {\n                Matrix4.identity(invWorldTransform);\n            }\n\n            this.traverse(function (mesh) {\n                if (mesh.geometry && mesh.geometry.boundingBox) {\n                    tmpBBox.copy(mesh.geometry.boundingBox);\n                    Matrix4.multiply(tmpMat4, invWorldTransform, mesh.worldTransform);\n                    tmpBBox.applyTransform(tmpMat4);\n                    out.union(tmpBBox);\n                }\n            }, this, defaultFilter);\n\n            return out;\n        };\n    })(),\n\n    /**\n     * Get world position, extracted from world transform\n     * @param  {clay.Vector3} [out]\n     * @return {clay.Vector3}\n     */\n    getWorldPosition: function (out) {\n        // PENDING\n        if (this.transformNeedsUpdate()) {\n            this.updateWorldTransform();\n        }\n        var m = this.worldTransform.array;\n        if (out) {\n            var arr = out.array;\n            arr[0] = m[12];\n            arr[1] = m[13];\n            arr[2] = m[14];\n            return out;\n        }\n        else {\n            return new Vector3(m[12], m[13], m[14]);\n        }\n    },\n\n    /**\n     * Clone a new node\n     * @return {Node}\n     */\n    clone: function () {\n        var node = new this.constructor();\n\n        var children = this._children;\n\n        node.setName(this.name);\n        node.position.copy(this.position);\n        node.rotation.copy(this.rotation);\n        node.scale.copy(this.scale);\n\n        for (var i = 0; i < children.length; i++) {\n            node.add(children[i].clone());\n        }\n\n        return node;\n    },\n\n    /**\n     * Rotate the node around a axis by angle degrees, axis passes through point\n     * @param {clay.Vector3} point Center point\n     * @param {clay.Vector3} axis  Center axis\n     * @param {number}       angle Rotation angle\n     * @see http://docs.unity3d.com/Documentation/ScriptReference/Transform.RotateAround.html\n     * @function\n     */\n    rotateAround: (function () {\n        var v = new Vector3();\n        var RTMatrix = new Matrix4();\n\n        // TODO improve performance\n        return function (point, axis, angle) {\n\n            v.copy(this.position).subtract(point);\n\n            var localTransform = this.localTransform;\n            localTransform.identity();\n            // parent node\n            localTransform.translate(point);\n            localTransform.rotate(angle, axis);\n\n            RTMatrix.fromRotationTranslation(this.rotation, v);\n            localTransform.multiply(RTMatrix);\n            localTransform.scale(this.scale);\n\n            this.decomposeLocalTransform();\n            this._needsUpdateWorldTransform = true;\n        };\n    })(),\n\n    /**\n     * @param {clay.Vector3} target\n     * @param {clay.Vector3} [up]\n     * @see http://www.opengl.org/sdk/docs/man2/xhtml/gluLookAt.xml\n     * @function\n     */\n    lookAt: (function () {\n        var m = new Matrix4();\n        return function (target, up) {\n            m.lookAt(this.position, target, up || this.localTransform.y).invert();\n            this.setLocalTransform(m);\n\n            this.target = target;\n        };\n    })()\n});\n\nexport default Node;\n","import Node from './Node';\nimport glenum from './core/glenum';\n\n/**\n * @constructor\n * @alias clay.Renderable\n * @extends clay.Node\n */\nvar Renderable = Node.extend(/** @lends clay.Renderable# */ {\n    /**\n     * @type {clay.Material}\n     */\n    material: null,\n\n    /**\n     * @type {clay.Geometry}\n     */\n    geometry: null,\n\n    /**\n     * @type {number}\n     */\n    mode: glenum.TRIANGLES,\n\n    _renderInfo: null\n},\n/** @lends clay.Renderable.prototype */\n{\n\n    __program: null,\n\n    /**\n     * Group of received light.\n     */\n    lightGroup: 0,\n    /**\n     * Render order, Nodes with smaller value renders before nodes with larger values.\n     * @type {Number}\n     */\n    renderOrder: 0,\n\n    /**\n     * Used when mode is LINES, LINE_STRIP or LINE_LOOP\n     * @type {number}\n     */\n    // lineWidth: 1,\n\n    /**\n     * If enable culling\n     * @type {boolean}\n     */\n    culling: true,\n    /**\n     * Specify which side of polygon will be culled.\n     * Possible values:\n     *  + {@link clay.Renderable.BACK}\n     *  + {@link clay.Renderable.FRONT}\n     *  + {@link clay.Renderable.FRONT_AND_BACK}\n     * @see https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/cullFace\n     * @type {number}\n     */\n    cullFace: glenum.BACK,\n    /**\n     * Specify which side is front face.\n     * Possible values:\n     *  + {@link clay.Renderable.CW}\n     *  + {@link clay.Renderable.CCW}\n     * @see https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/frontFace\n     * @type {number}\n     */\n    frontFace: glenum.CCW,\n\n    /**\n     * If enable software frustum culling\n     * @type {boolean}\n     */\n    frustumCulling: true,\n    /**\n     * @type {boolean}\n     */\n    receiveShadow: true,\n    /**\n     * @type {boolean}\n     */\n    castShadow: true,\n    /**\n     * @type {boolean}\n     */\n    ignorePicking: false,\n    /**\n     * @type {boolean}\n     */\n    ignorePreZ: false,\n\n    /**\n     * @type {boolean}\n     */\n    ignoreGBuffer: false,\n\n    /**\n     * @return {boolean}\n     */\n    isRenderable: function() {\n        // TODO Shader ?\n        return this.geometry && this.material && this.material.shader && !this.invisible\n            && this.geometry.vertexCount > 0;\n    },\n\n    /**\n     * Before render hook\n     * @type {Function}\n     */\n    beforeRender: function (_gl) {},\n\n    /**\n     * Before render hook\n     * @type {Function}\n     */\n    afterRender: function (_gl, renderStat) {},\n\n    getBoundingBox: function (filter, out) {\n        out = Node.prototype.getBoundingBox.call(this, filter, out);\n        if (this.geometry && this.geometry.boundingBox) {\n            out.union(this.geometry.boundingBox);\n        }\n\n        return out;\n    },\n\n    /**\n     * Clone a new renderable\n     * @function\n     * @return {clay.Renderable}\n     */\n    clone: (function() {\n        var properties = [\n            'castShadow', 'receiveShadow',\n            'mode', 'culling', 'cullFace', 'frontFace',\n            'frustumCulling',\n            'renderOrder', 'lineWidth',\n            'ignorePicking', 'ignorePreZ', 'ignoreGBuffer'\n        ];\n        return function() {\n            var renderable = Node.prototype.clone.call(this);\n\n            renderable.geometry = this.geometry;\n            renderable.material = this.material;\n\n            for (var i = 0; i < properties.length; i++) {\n                var name = properties[i];\n                // Try not to overwrite the prototype property\n                if (renderable[name] !== this[name]) {\n                    renderable[name] = this[name];\n                }\n            }\n\n            return renderable;\n        };\n    })()\n});\n\n/**\n * @type {number}\n */\nRenderable.POINTS = glenum.POINTS;\n/**\n * @type {number}\n */\nRenderable.LINES = glenum.LINES;\n/**\n * @type {number}\n */\nRenderable.LINE_LOOP = glenum.LINE_LOOP;\n/**\n * @type {number}\n */\nRenderable.LINE_STRIP = glenum.LINE_STRIP;\n/**\n * @type {number}\n */\nRenderable.TRIANGLES = glenum.TRIANGLES;\n/**\n * @type {number}\n */\nRenderable.TRIANGLE_STRIP = glenum.TRIANGLE_STRIP;\n/**\n * @type {number}\n */\nRenderable.TRIANGLE_FAN = glenum.TRIANGLE_FAN;\n/**\n * @type {number}\n */\nRenderable.BACK = glenum.BACK;\n/**\n * @type {number}\n */\nRenderable.FRONT = glenum.FRONT;\n/**\n * @type {number}\n */\nRenderable.FRONT_AND_BACK = glenum.FRONT_AND_BACK;\n/**\n * @type {number}\n */\nRenderable.CW = glenum.CW;\n/**\n * @type {number}\n */\nRenderable.CCW = glenum.CCW;\n\nexport default Renderable;\n","import Base from '../core/Base';\nimport Ray from '../math/Ray';\nimport Vector2 from '../math/Vector2';\nimport Vector3 from '../math/Vector3';\nimport Matrix4 from '../math/Matrix4';\nimport Renderable from '../Renderable';\nimport glenum from '../core/glenum';\nimport vec3 from '../glmatrix/vec3';\n\n/**\n * @constructor clay.picking.RayPicking\n * @extends clay.core.Base\n */\nvar RayPicking = Base.extend(/** @lends clay.picking.RayPicking# */{\n    /**\n     * Target scene\n     * @type {clay.Scene}\n     */\n    scene: null,\n    /**\n     * Target camera\n     * @type {clay.Camera}\n     */\n    camera: null,\n    /**\n     * Target renderer\n     * @type {clay.Renderer}\n     */\n    renderer: null\n}, function () {\n    this._ray = new Ray();\n    this._ndc = new Vector2();\n},\n/** @lends clay.picking.RayPicking.prototype */\n{\n\n    /**\n     * Pick the nearest intersection object in the scene\n     * @param  {number} x Mouse position x\n     * @param  {number} y Mouse position y\n     * @param  {boolean} [forcePickAll=false] ignore ignorePicking\n     * @return {clay.picking.RayPicking~Intersection}\n     */\n    pick: function (x, y, forcePickAll) {\n        var out = this.pickAll(x, y, [], forcePickAll);\n        return out[0] || null;\n    },\n\n    /**\n     * Pick all intersection objects, wich will be sorted from near to far\n     * @param  {number} x Mouse position x\n     * @param  {number} y Mouse position y\n     * @param  {Array} [output]\n     * @param  {boolean} [forcePickAll=false] ignore ignorePicking\n     * @return {Array.<clay.picking.RayPicking~Intersection>}\n     */\n    pickAll: function (x, y, output, forcePickAll) {\n        this.renderer.screenToNDC(x, y, this._ndc);\n        this.camera.castRay(this._ndc, this._ray);\n\n        output = output || [];\n\n        this._intersectNode(this.scene, output, forcePickAll || false);\n\n        output.sort(this._intersectionCompareFunc);\n\n        return output;\n    },\n\n    _intersectNode: function (node, out, forcePickAll) {\n        if ((node instanceof Renderable) && node.isRenderable()) {\n            if ((!node.ignorePicking || forcePickAll)\n                && (\n                    // Only triangle mesh support ray picking\n                    (node.mode === glenum.TRIANGLES && node.geometry.isUseIndices())\n                    // Or if geometry has it's own pickByRay, pick, implementation\n                    || node.geometry.pickByRay\n                    || node.geometry.pick\n                )\n            ) {\n                this._intersectRenderable(node, out);\n            }\n        }\n        for (var i = 0; i < node._children.length; i++) {\n            this._intersectNode(node._children[i], out, forcePickAll);\n        }\n    },\n\n    _intersectRenderable: (function () {\n\n        var v1 = new Vector3();\n        var v2 = new Vector3();\n        var v3 = new Vector3();\n        var ray = new Ray();\n        var worldInverse = new Matrix4();\n\n        return function (renderable, out) {\n\n            var isSkinnedMesh = renderable.isSkinnedMesh();\n            ray.copy(this._ray);\n            Matrix4.invert(worldInverse, renderable.worldTransform);\n\n            // Skinned mesh will ignore the world transform.\n            if (!isSkinnedMesh) {\n                ray.applyTransform(worldInverse);\n            }\n\n            var geometry = renderable.geometry;\n\n            var bbox = isSkinnedMesh ? renderable.skeleton.boundingBox : geometry.boundingBox;\n\n            if (bbox && !ray.intersectBoundingBox(bbox)) {\n                return;\n            }\n            // Use user defined picking algorithm\n            if (geometry.pick) {\n                geometry.pick(\n                    this._ndc.x, this._ndc.y,\n                    this.renderer,\n                    this.camera,\n                    renderable, out\n                );\n                return;\n            }\n            // Use user defined ray picking algorithm\n            else if (geometry.pickByRay) {\n                geometry.pickByRay(ray, renderable, out);\n                return;\n            }\n\n            var cullBack = (renderable.cullFace === glenum.BACK && renderable.frontFace === glenum.CCW)\n                        || (renderable.cullFace === glenum.FRONT && renderable.frontFace === glenum.CW);\n\n            var point;\n            var indices = geometry.indices;\n            var positionAttr = geometry.attributes.position;\n            var weightAttr = geometry.attributes.weight;\n            var jointAttr = geometry.attributes.joint;\n            var skinMatricesArray;\n            var skinMatrices = [];\n            // Check if valid.\n            if (!positionAttr || !positionAttr.value || !indices) {\n                return;\n            }\n            if (isSkinnedMesh) {\n                skinMatricesArray = renderable.skeleton.getSubSkinMatrices(renderable.__uid__, renderable.joints);\n                for (var i = 0; i < renderable.joints.length; i++) {\n                    skinMatrices[i] = skinMatrices[i] || [];\n                    for (var k = 0; k < 16; k++) {\n                        skinMatrices[i][k] = skinMatricesArray[i * 16 + k];\n                    }\n                }\n                var pos = [];\n                var weight = [];\n                var joint = [];\n                var skinnedPos = [];\n                var tmp = [];\n                var skinnedPositionAttr = geometry.attributes.skinnedPosition;\n                if (!skinnedPositionAttr || !skinnedPositionAttr.value) {\n                    geometry.createAttribute('skinnedPosition', 'f', 3);\n                    skinnedPositionAttr = geometry.attributes.skinnedPosition;\n                    skinnedPositionAttr.init(geometry.vertexCount);\n                }\n                for (var i = 0; i < geometry.vertexCount; i++) {\n                    positionAttr.get(i, pos);\n                    weightAttr.get(i, weight);\n                    jointAttr.get(i, joint);\n                    weight[3] = 1 - weight[0] - weight[1] - weight[2];\n                    vec3.set(skinnedPos, 0, 0, 0);\n                    for (var k = 0; k < 4; k++) {\n                        if (joint[k] >= 0 && weight[k] > 1e-4) {\n                            vec3.transformMat4(tmp, pos, skinMatrices[joint[k]]);\n                            vec3.scaleAndAdd(skinnedPos, skinnedPos, tmp, weight[k]);\n                        }\n                    }\n                    skinnedPositionAttr.set(i, skinnedPos);\n                }\n            }\n\n            for (var i = 0; i < indices.length; i += 3) {\n                var i1 = indices[i];\n                var i2 = indices[i + 1];\n                var i3 = indices[i + 2];\n                var finalPosAttr = isSkinnedMesh\n                    ? geometry.attributes.skinnedPosition\n                    : positionAttr;\n                finalPosAttr.get(i1, v1.array);\n                finalPosAttr.get(i2, v2.array);\n                finalPosAttr.get(i3, v3.array);\n\n                if (cullBack) {\n                    point = ray.intersectTriangle(v1, v2, v3, renderable.culling);\n                }\n                else {\n                    point = ray.intersectTriangle(v1, v3, v2, renderable.culling);\n                }\n                if (point) {\n                    var pointW = new Vector3();\n                    if (!isSkinnedMesh) {\n                        Vector3.transformMat4(pointW, point, renderable.worldTransform);\n                    }\n                    else {\n                        // TODO point maybe not right.\n                        Vector3.copy(pointW, point);\n                    }\n                    out.push(new RayPicking.Intersection(\n                        point, pointW, renderable, [i1, i2, i3], i / 3,\n                        Vector3.dist(pointW, this._ray.origin)\n                    ));\n                }\n            }\n        };\n    })(),\n\n    _intersectionCompareFunc: function (a, b) {\n        return a.distance - b.distance;\n    }\n});\n\n/**\n * @constructor clay.picking.RayPicking~Intersection\n * @param {clay.Vector3} point\n * @param {clay.Vector3} pointWorld\n * @param {clay.Node} target\n * @param {Array.<number>} triangle\n * @param {number} triangleIndex\n * @param {number} distance\n */\nRayPicking.Intersection = function (point, pointWorld, target, triangle, triangleIndex, distance) {\n    /**\n     * Intersection point in local transform coordinates\n     * @type {clay.Vector3}\n     */\n    this.point = point;\n    /**\n     * Intersection point in world transform coordinates\n     * @type {clay.Vector3}\n     */\n    this.pointWorld = pointWorld;\n    /**\n     * Intersection scene node\n     * @type {clay.Node}\n     */\n    this.target = target;\n    /**\n     * Intersection triangle, which is an array of vertex index\n     * @type {Array.<number>}\n     */\n    this.triangle = triangle;\n    /**\n     * Index of intersection triangle.\n     */\n    this.triangleIndex = triangleIndex;\n    /**\n     * Distance from intersection point to ray origin\n     * @type {number}\n     */\n    this.distance = distance;\n};\n\nexport default RayPicking;\n","var DIRTY_PREFIX = '__dt__';\n\nvar Cache = function () {\n\n    this._contextId = 0;\n\n    this._caches = [];\n\n    this._context = {};\n};\n\nCache.prototype = {\n\n    use: function (contextId, documentSchema) {\n        var caches = this._caches;\n        if (!caches[contextId]) {\n            caches[contextId] = {};\n\n            if (documentSchema) {\n                caches[contextId] = documentSchema();\n            }\n        }\n        this._contextId = contextId;\n\n        this._context = caches[contextId];\n    },\n\n    put: function (key, value) {\n        this._context[key] = value;\n    },\n\n    get: function (key) {\n        return this._context[key];\n    },\n\n    dirty: function (field) {\n        field = field || '';\n        var key = DIRTY_PREFIX + field;\n        this.put(key, true);\n    },\n\n    dirtyAll: function (field) {\n        field = field || '';\n        var key = DIRTY_PREFIX + field;\n        var caches = this._caches;\n        for (var i = 0; i < caches.length; i++) {\n            if (caches[i]) {\n                caches[i][key] = true;\n            }\n        }\n    },\n\n    fresh: function (field) {\n        field = field || '';\n        var key = DIRTY_PREFIX + field;\n        this.put(key, false);\n    },\n\n    freshAll: function (field) {\n        field = field || '';\n        var key = DIRTY_PREFIX + field;\n        var caches = this._caches;\n        for (var i = 0; i < caches.length; i++) {\n            if (caches[i]) {\n                caches[i][key] = false;\n            }\n        }\n    },\n\n    isDirty: function (field) {\n        field = field || '';\n        var key = DIRTY_PREFIX + field;\n        var context = this._context;\n        return  !context.hasOwnProperty(key)\n            || context[key] === true;\n    },\n\n    deleteContext: function (contextId) {\n        delete this._caches[contextId];\n        this._context = {};\n    },\n\n    delete: function (key) {\n        delete this._context[key];\n    },\n\n    clearAll: function () {\n        this._caches = {};\n    },\n\n    getContext: function () {\n        return this._context;\n    },\n\n    eachContext : function (cb, context) {\n        var keys = Object.keys(this._caches);\n        keys.forEach(function (key) {\n            cb && cb.call(context, key);\n        });\n    },\n\n    miss: function (key) {\n        return ! this._context.hasOwnProperty(key);\n    }\n};\n\nCache.prototype.constructor = Cache;\n\nexport default Cache;\n","/**\n * Base class for all textures like compressed texture, texture2d, texturecube\n * TODO mapping\n */\nimport Base from './core/Base';\nimport glenum from './core/glenum';\nimport Cache from './core/Cache';\n\n/**\n * @constructor\n * @alias clay.Texture\n * @extends clay.core.Base\n */\nvar Texture = Base.extend( /** @lends clay.Texture# */ {\n    /**\n     * Texture width, readonly when the texture source is image\n     * @type {number}\n     */\n    width: 512,\n    /**\n     * Texture height, readonly when the texture source is image\n     * @type {number}\n     */\n    height: 512,\n    /**\n     * Texel data type.\n     * Possible values:\n     *  + {@link clay.Texture.UNSIGNED_BYTE}\n     *  + {@link clay.Texture.HALF_FLOAT}\n     *  + {@link clay.Texture.FLOAT}\n     *  + {@link clay.Texture.UNSIGNED_INT_24_8_WEBGL}\n     *  + {@link clay.Texture.UNSIGNED_INT}\n     * @type {number}\n     */\n    type: glenum.UNSIGNED_BYTE,\n    /**\n     * Format of texel data\n     * Possible values:\n     *  + {@link clay.Texture.RGBA}\n     *  + {@link clay.Texture.DEPTH_COMPONENT}\n     *  + {@link clay.Texture.DEPTH_STENCIL}\n     * @type {number}\n     */\n    format: glenum.RGBA,\n    /**\n     * Texture wrap. Default to be REPEAT.\n     * Possible values:\n     *  + {@link clay.Texture.CLAMP_TO_EDGE}\n     *  + {@link clay.Texture.REPEAT}\n     *  + {@link clay.Texture.MIRRORED_REPEAT}\n     * @type {number}\n     */\n    wrapS: glenum.REPEAT,\n    /**\n     * Texture wrap. Default to be REPEAT.\n     * Possible values:\n     *  + {@link clay.Texture.CLAMP_TO_EDGE}\n     *  + {@link clay.Texture.REPEAT}\n     *  + {@link clay.Texture.MIRRORED_REPEAT}\n     * @type {number}\n     */\n    wrapT: glenum.REPEAT,\n    /**\n     * Possible values:\n     *  + {@link clay.Texture.NEAREST}\n     *  + {@link clay.Texture.LINEAR}\n     *  + {@link clay.Texture.NEAREST_MIPMAP_NEAREST}\n     *  + {@link clay.Texture.LINEAR_MIPMAP_NEAREST}\n     *  + {@link clay.Texture.NEAREST_MIPMAP_LINEAR}\n     *  + {@link clay.Texture.LINEAR_MIPMAP_LINEAR}\n     * @type {number}\n     */\n    minFilter: glenum.LINEAR_MIPMAP_LINEAR,\n    /**\n     * Possible values:\n     *  + {@link clay.Texture.NEAREST}\n     *  + {@link clay.Texture.LINEAR}\n     * @type {number}\n     */\n    magFilter: glenum.LINEAR,\n    /**\n     * If enable mimap.\n     * @type {boolean}\n     */\n    useMipmap: true,\n\n    /**\n     * Anisotropic filtering, enabled if value is larger than 1\n     * @see https://developer.mozilla.org/en-US/docs/Web/API/EXT_texture_filter_anisotropic\n     * @type {number}\n     */\n    anisotropic: 1,\n    // pixelStorei parameters, not available when texture is used as render target\n    // http://www.khronos.org/opengles/sdk/docs/man/xhtml/glPixelStorei.xml\n    /**\n     * If flip in y axis for given image source\n     * @type {boolean}\n     * @default true\n     */\n    flipY: true,\n\n    /**\n     * A flag to indicate if texture source is sRGB\n     */\n    sRGB: true,\n    /**\n     * @type {number}\n     * @default 4\n     */\n    unpackAlignment: 4,\n    /**\n     * @type {boolean}\n     * @default false\n     */\n    premultiplyAlpha: false,\n\n    /**\n     * Dynamic option for texture like video\n     * @type {boolean}\n     */\n    dynamic: false,\n\n    NPOT: false,\n\n    // PENDING\n    // Init it here to avoid deoptimization when it's assigned in application dynamically\n    __used: 0\n\n}, function () {\n    this._cache = new Cache();\n},\n/** @lends clay.Texture.prototype */\n{\n\n    getWebGLTexture: function (renderer) {\n        var _gl = renderer.gl;\n        var cache = this._cache;\n        cache.use(renderer.__uid__);\n\n        if (cache.miss('webgl_texture')) {\n            // In a new gl context, create new texture and set dirty true\n            cache.put('webgl_texture', _gl.createTexture());\n        }\n        if (this.dynamic) {\n            this.update(renderer);\n        }\n        else if (cache.isDirty()) {\n            this.update(renderer);\n            cache.fresh();\n        }\n\n        return cache.get('webgl_texture');\n    },\n\n    bind: function () {},\n    unbind: function () {},\n\n    /**\n     * Mark texture is dirty and update in the next frame\n     */\n    dirty: function () {\n        if (this._cache) {\n            this._cache.dirtyAll();\n        }\n    },\n\n    update: function (renderer) {},\n\n    // Update the common parameters of texture\n    updateCommon: function (renderer) {\n        var _gl = renderer.gl;\n        _gl.pixelStorei(_gl.UNPACK_FLIP_Y_WEBGL, this.flipY);\n        _gl.pixelStorei(_gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, this.premultiplyAlpha);\n        _gl.pixelStorei(_gl.UNPACK_ALIGNMENT, this.unpackAlignment);\n\n        // Use of none-power of two texture\n        // http://www.khronos.org/webgl/wiki/WebGL_and_OpenGL_Differences\n        if (this.format === glenum.DEPTH_COMPONENT) {\n            this.useMipmap = false;\n        }\n\n        var sRGBExt = renderer.getGLExtension('EXT_sRGB');\n        // Fallback\n        if (this.format === Texture.SRGB && !sRGBExt) {\n            this.format = Texture.RGB;\n        }\n        if (this.format === Texture.SRGB_ALPHA && !sRGBExt) {\n            this.format = Texture.RGBA;\n        }\n\n        this.NPOT = !this.isPowerOfTwo();\n    },\n\n    getAvailableWrapS: function () {\n        if (this.NPOT) {\n            return glenum.CLAMP_TO_EDGE;\n        }\n        return this.wrapS;\n    },\n    getAvailableWrapT: function () {\n        if (this.NPOT) {\n            return glenum.CLAMP_TO_EDGE;\n        }\n        return this.wrapT;\n    },\n    getAvailableMinFilter: function () {\n        var minFilter = this.minFilter;\n        if (this.NPOT || !this.useMipmap) {\n            if (minFilter === glenum.NEAREST_MIPMAP_NEAREST ||\n                minFilter === glenum.NEAREST_MIPMAP_LINEAR\n            ) {\n                return glenum.NEAREST;\n            }\n            else if (minFilter === glenum.LINEAR_MIPMAP_LINEAR ||\n                minFilter === glenum.LINEAR_MIPMAP_NEAREST\n            ) {\n                return glenum.LINEAR;\n            }\n            else {\n                return minFilter;\n            }\n        }\n        else {\n            return minFilter;\n        }\n    },\n    getAvailableMagFilter: function () {\n        return this.magFilter;\n    },\n\n    nextHighestPowerOfTwo: function (x) {\n        --x;\n        for (var i = 1; i < 32; i <<= 1) {\n            x = x | x >> i;\n        }\n        return x + 1;\n    },\n    /**\n     * @param  {clay.Renderer} renderer\n     */\n    dispose: function (renderer) {\n\n        var cache = this._cache;\n\n        cache.use(renderer.__uid__);\n\n        var webglTexture = cache.get('webgl_texture');\n        if (webglTexture){\n            renderer.gl.deleteTexture(webglTexture);\n        }\n        cache.deleteContext(renderer.__uid__);\n\n    },\n    /**\n     * Test if image of texture is valid and loaded.\n     * @return {boolean}\n     */\n    isRenderable: function () {},\n\n    /**\n     * Test if texture size is power of two\n     * @return {boolean}\n     */\n    isPowerOfTwo: function () {}\n});\n\nObject.defineProperty(Texture.prototype, 'width', {\n    get: function () {\n        return this._width;\n    },\n    set: function (value) {\n        this._width = value;\n    }\n});\nObject.defineProperty(Texture.prototype, 'height', {\n    get: function () {\n        return this._height;\n    },\n    set: function (value) {\n        this._height = value;\n    }\n});\n\n/* DataType */\n\n/**\n * @type {number}\n */\nTexture.BYTE = glenum.BYTE;\n/**\n * @type {number}\n */\nTexture.UNSIGNED_BYTE = glenum.UNSIGNED_BYTE;\n/**\n * @type {number}\n */\nTexture.SHORT = glenum.SHORT;\n/**\n * @type {number}\n */\nTexture.UNSIGNED_SHORT = glenum.UNSIGNED_SHORT;\n/**\n * @type {number}\n */\nTexture.INT = glenum.INT;\n/**\n * @type {number}\n */\nTexture.UNSIGNED_INT = glenum.UNSIGNED_INT;\n/**\n * @type {number}\n */\nTexture.FLOAT = glenum.FLOAT;\n/**\n * @type {number}\n */\nTexture.HALF_FLOAT = 0x8D61;\n\n/**\n * UNSIGNED_INT_24_8_WEBGL for WEBGL_depth_texture extension\n * @type {number}\n */\nTexture.UNSIGNED_INT_24_8_WEBGL = 34042;\n\n/* PixelFormat */\n/**\n * @type {number}\n */\nTexture.DEPTH_COMPONENT = glenum.DEPTH_COMPONENT;\n/**\n * @type {number}\n */\nTexture.DEPTH_STENCIL = glenum.DEPTH_STENCIL;\n/**\n * @type {number}\n */\nTexture.ALPHA = glenum.ALPHA;\n/**\n * @type {number}\n */\nTexture.RGB = glenum.RGB;\n/**\n * @type {number}\n */\nTexture.RGBA = glenum.RGBA;\n/**\n * @type {number}\n */\nTexture.LUMINANCE = glenum.LUMINANCE;\n/**\n * @type {number}\n */\nTexture.LUMINANCE_ALPHA = glenum.LUMINANCE_ALPHA;\n\n/**\n * @see https://www.khronos.org/registry/webgl/extensions/EXT_sRGB/\n * @type {number}\n */\nTexture.SRGB = 0x8C40;\n/**\n * @see https://www.khronos.org/registry/webgl/extensions/EXT_sRGB/\n * @type {number}\n */\nTexture.SRGB_ALPHA = 0x8C42;\n\n/* Compressed Texture */\nTexture.COMPRESSED_RGB_S3TC_DXT1_EXT = 0x83F0;\nTexture.COMPRESSED_RGBA_S3TC_DXT1_EXT = 0x83F1;\nTexture.COMPRESSED_RGBA_S3TC_DXT3_EXT = 0x83F2;\nTexture.COMPRESSED_RGBA_S3TC_DXT5_EXT = 0x83F3;\n\n/* TextureMagFilter */\n/**\n * @type {number}\n */\nTexture.NEAREST = glenum.NEAREST;\n/**\n * @type {number}\n */\nTexture.LINEAR = glenum.LINEAR;\n\n/* TextureMinFilter */\n/**\n * @type {number}\n */\nTexture.NEAREST_MIPMAP_NEAREST = glenum.NEAREST_MIPMAP_NEAREST;\n/**\n * @type {number}\n */\nTexture.LINEAR_MIPMAP_NEAREST = glenum.LINEAR_MIPMAP_NEAREST;\n/**\n * @type {number}\n */\nTexture.NEAREST_MIPMAP_LINEAR = glenum.NEAREST_MIPMAP_LINEAR;\n/**\n * @type {number}\n */\nTexture.LINEAR_MIPMAP_LINEAR = glenum.LINEAR_MIPMAP_LINEAR;\n\n/* TextureWrapMode */\n/**\n * @type {number}\n */\nTexture.REPEAT = glenum.REPEAT;\n/**\n * @type {number}\n */\nTexture.CLAMP_TO_EDGE = glenum.CLAMP_TO_EDGE;\n/**\n * @type {number}\n */\nTexture.MIRRORED_REPEAT = glenum.MIRRORED_REPEAT;\n\n\nexport default Texture;\n","import Renderable from './Renderable';\nimport glenum from './core/glenum';\n\n/**\n * @constructor clay.Mesh\n * @extends clay.Renderable\n */\nvar Mesh = Renderable.extend(/** @lends clay.Mesh# */ {\n    /**\n     * Used when it is a skinned mesh\n     * @type {clay.Skeleton}\n     */\n    skeleton: null,\n    /**\n     * Joints indices Meshes can share the one skeleton instance and each mesh can use one part of joints. Joints indices indicate the index of joint in the skeleton instance\n     * @type {number[]}\n     */\n    joints: null\n\n}, function () {\n    if (!this.joints) {\n        this.joints = [];\n    }\n}, {\n\n    /**\n     * Offset matrix used for multiple skinned mesh clone sharing one skeleton\n     * @type {clay.Matrix4}\n     */\n    offsetMatrix: null,\n\n    isInstancedMesh: function () { return false; },\n\n    isSkinnedMesh: function () {\n        return !!(this.skeleton && this.joints && this.joints.length > 0);\n    },\n\n    clone: function () {\n        var mesh = Renderable.prototype.clone.call(this);\n        mesh.skeleton = this.skeleton;\n        if (this.joints) {\n            mesh.joints = this.joints.slice();\n        }\n        return mesh;\n    }\n});\n\n// Enums\nMesh.POINTS = glenum.POINTS;\nMesh.LINES = glenum.LINES;\nMesh.LINE_LOOP = glenum.LINE_LOOP;\nMesh.LINE_STRIP = glenum.LINE_STRIP;\nMesh.TRIANGLES = glenum.TRIANGLES;\nMesh.TRIANGLE_STRIP = glenum.TRIANGLE_STRIP;\nMesh.TRIANGLE_FAN = glenum.TRIANGLE_FAN;\n\nMesh.BACK = glenum.BACK;\nMesh.FRONT = glenum.FRONT;\nMesh.FRONT_AND_BACK = glenum.FRONT_AND_BACK;\nMesh.CW = glenum.CW;\nMesh.CCW = glenum.CCW;\n\nexport default Mesh;\n","var mathUtil = {};\n\nmathUtil.isPowerOfTwo = function (value) {\n    return (value & (value - 1)) === 0;\n};\n\nmathUtil.nextPowerOfTwo = function (value) {\n    value --;\n    value |= value >> 1;\n    value |= value >> 2;\n    value |= value >> 4;\n    value |= value >> 8;\n    value |= value >> 16;\n    value ++;\n\n    return value;\n};\n\nmathUtil.nearestPowerOfTwo = function (value) {\n    return Math.pow( 2, Math.round( Math.log( value ) / Math.LN2 ) );\n};\n\nexport default mathUtil;\n","import Texture from './Texture';\nimport glenum from './core/glenum';\nimport vendor from './core/vendor';\nimport mathUtil from './math/util';\nvar isPowerOfTwo = mathUtil.isPowerOfTwo;\n\nfunction nearestPowerOfTwo(val) {\n    return Math.pow(2, Math.round(Math.log(val) / Math.LN2));\n}\nfunction convertTextureToPowerOfTwo(texture, canvas) {\n    // var canvas = document.createElement('canvas');\n    var width = nearestPowerOfTwo(texture.width);\n    var height = nearestPowerOfTwo(texture.height);\n    canvas = canvas || document.createElement('canvas');\n    canvas.width = width;\n    canvas.height = height;\n    var ctx = canvas.getContext('2d');\n    ctx.drawImage(texture.image, 0, 0, width, height);\n\n    return canvas;\n}\n\n/**\n * @constructor clay.Texture2D\n * @extends clay.Texture\n *\n * @example\n *     ...\n *     var mat = new clay.Material({\n *         shader: clay.shader.library.get('clay.phong', 'diffuseMap')\n *     });\n *     var diffuseMap = new clay.Texture2D();\n *     diffuseMap.load('assets/textures/diffuse.jpg');\n *     mat.set('diffuseMap', diffuseMap);\n *     ...\n *     diffuseMap.success(function () {\n *         // Wait for the diffuse texture loaded\n *         animation.on('frame', function (frameTime) {\n *             renderer.render(scene, camera);\n *         });\n *     });\n */\nvar Texture2D = Texture.extend(function () {\n    return /** @lends clay.Texture2D# */ {\n        /**\n         * @type {?HTMLImageElement|HTMLCanvasElemnet}\n         */\n        // TODO mark dirty when assigned.\n        image: null,\n        /**\n         * Pixels data. Will be ignored if image is set.\n         * @type {?Uint8Array|Float32Array}\n         */\n        pixels: null,\n        /**\n         * @type {Array.<Object>}\n         * @example\n         *     [{\n         *         image: mipmap0,\n         *         pixels: null\n         *     }, {\n         *         image: mipmap1,\n         *         pixels: null\n         *     }, ....]\n         */\n        mipmaps: [],\n\n        /**\n         * If convert texture to power-of-two\n         * @type {boolean}\n         */\n        convertToPOT: false\n    };\n}, {\n\n    textureType: 'texture2D',\n\n    update: function (renderer) {\n\n        var _gl = renderer.gl;\n        _gl.bindTexture(_gl.TEXTURE_2D, this._cache.get('webgl_texture'));\n\n        this.updateCommon(renderer);\n\n        var glFormat = this.format;\n        var glType = this.type;\n\n        // Convert to pot is only available when using image/canvas/video element.\n        var convertToPOT = !!(this.convertToPOT\n            && !this.mipmaps.length && this.image\n            && (this.wrapS === Texture.REPEAT || this.wrapT === Texture.REPEAT)\n            && this.NPOT\n        );\n\n        _gl.texParameteri(_gl.TEXTURE_2D, _gl.TEXTURE_WRAP_S, convertToPOT ? this.wrapS : this.getAvailableWrapS());\n        _gl.texParameteri(_gl.TEXTURE_2D, _gl.TEXTURE_WRAP_T, convertToPOT ? this.wrapT : this.getAvailableWrapT());\n\n        _gl.texParameteri(_gl.TEXTURE_2D, _gl.TEXTURE_MAG_FILTER, convertToPOT ? this.magFilter : this.getAvailableMagFilter());\n        _gl.texParameteri(_gl.TEXTURE_2D, _gl.TEXTURE_MIN_FILTER, convertToPOT ? this.minFilter : this.getAvailableMinFilter());\n\n        var anisotropicExt = renderer.getGLExtension('EXT_texture_filter_anisotropic');\n        if (anisotropicExt && this.anisotropic > 1) {\n            _gl.texParameterf(_gl.TEXTURE_2D, anisotropicExt.TEXTURE_MAX_ANISOTROPY_EXT, this.anisotropic);\n        }\n\n        // Fallback to float type if browser don't have half float extension\n        if (glType === 36193) {\n            var halfFloatExt = renderer.getGLExtension('OES_texture_half_float');\n            if (!halfFloatExt) {\n                glType = glenum.FLOAT;\n            }\n        }\n\n        if (this.mipmaps.length) {\n            var width = this.width;\n            var height = this.height;\n            for (var i = 0; i < this.mipmaps.length; i++) {\n                var mipmap = this.mipmaps[i];\n                this._updateTextureData(_gl, mipmap, i, width, height, glFormat, glType, false);\n                width /= 2;\n                height /= 2;\n            }\n        }\n        else {\n            this._updateTextureData(_gl, this, 0, this.width, this.height, glFormat, glType, convertToPOT);\n\n            if (this.useMipmap && (!this.NPOT || convertToPOT)) {\n                _gl.generateMipmap(_gl.TEXTURE_2D);\n            }\n        }\n\n        _gl.bindTexture(_gl.TEXTURE_2D, null);\n    },\n\n    _updateTextureData: function (_gl, data, level, width, height, glFormat, glType, convertToPOT) {\n        if (data.image) {\n            var imgData = data.image;\n            if (convertToPOT) {\n                this._potCanvas = convertTextureToPowerOfTwo(this, this._potCanvas);\n                imgData = this._potCanvas;\n            }\n            _gl.texImage2D(_gl.TEXTURE_2D, level, glFormat, glFormat, glType, imgData);\n        }\n        else {\n            // Can be used as a blank texture when writing render to texture(RTT)\n            if (\n                glFormat <= Texture.COMPRESSED_RGBA_S3TC_DXT5_EXT\n                && glFormat >= Texture.COMPRESSED_RGB_S3TC_DXT1_EXT\n            ) {\n                _gl.compressedTexImage2D(_gl.TEXTURE_2D, level, glFormat, width, height, 0, data.pixels);\n            }\n            else {\n                // Is a render target if pixels is null\n                _gl.texImage2D(_gl.TEXTURE_2D, level, glFormat, width, height, 0, glFormat, glType, data.pixels);\n            }\n        }\n    },\n\n    /**\n     * @param  {clay.Renderer} renderer\n     * @memberOf clay.Texture2D.prototype\n     */\n    generateMipmap: function (renderer) {\n        var _gl = renderer.gl;\n        if (this.useMipmap && !this.NPOT) {\n            _gl.bindTexture(_gl.TEXTURE_2D, this._cache.get('webgl_texture'));\n            _gl.generateMipmap(_gl.TEXTURE_2D);\n        }\n    },\n\n    isPowerOfTwo: function () {\n        return isPowerOfTwo(this.width) && isPowerOfTwo(this.height);\n    },\n\n    isRenderable: function () {\n        if (this.image) {\n            return this.image.width > 0 && this.image.height > 0;\n        }\n        else {\n            return !!(this.width && this.height);\n        }\n    },\n\n    bind: function (renderer) {\n        renderer.gl.bindTexture(renderer.gl.TEXTURE_2D, this.getWebGLTexture(renderer));\n    },\n\n    unbind: function (renderer) {\n        renderer.gl.bindTexture(renderer.gl.TEXTURE_2D, null);\n    },\n\n    load: function (src, crossOrigin) {\n        var image = vendor.createImage();\n        if (crossOrigin) {\n            image.crossOrigin = crossOrigin;\n        }\n        var self = this;\n        image.onload = function () {\n            self.dirty();\n            self.trigger('success', self);\n        };\n        image.onerror = function () {\n            self.trigger('error', self);\n        };\n\n        image.src = src;\n        this.image = image;\n\n        return this;\n    }\n});\n\nObject.defineProperty(Texture2D.prototype, 'width', {\n    get: function () {\n        if (this.image) {\n            return this.image.width;\n        }\n        return this._width;\n    },\n    set: function (value) {\n        if (this.image) {\n            console.warn('Texture from image can\\'t set width');\n        }\n        else {\n            if (this._width !== value) {\n                this.dirty();\n            }\n            this._width = value;\n        }\n    }\n});\nObject.defineProperty(Texture2D.prototype, 'height', {\n    get: function () {\n        if (this.image) {\n            return this.image.height;\n        }\n        return this._height;\n    },\n    set: function (value) {\n        if (this.image) {\n            console.warn('Texture from image can\\'t set height');\n        }\n        else {\n            if (this._height !== value) {\n                this.dirty();\n            }\n            this._height = value;\n        }\n    }\n});\n\nexport default Texture2D;\n","import Base from './core/Base';\nimport glenum from './core/glenum';\nimport Cache from './core/Cache';\nimport vendor from './core/vendor';\n\nfunction getArrayCtorByType (type) {\n    return ({\n        'byte': vendor.Int8Array,\n        'ubyte': vendor.Uint8Array,\n        'short': vendor.Int16Array,\n        'ushort': vendor.Uint16Array\n    })[type] || vendor.Float32Array;\n}\n\nfunction makeAttrKey(attrName) {\n    return 'attr_' + attrName;\n}\n/**\n * GeometryBase attribute\n * @alias clay.GeometryBase.Attribute\n * @constructor\n */\nfunction Attribute(name, type, size, semantic) {\n    /**\n     * Attribute name\n     * @type {string}\n     */\n    this.name = name;\n    /**\n     * Attribute type\n     * Possible values:\n     *  + `'byte'`\n     *  + `'ubyte'`\n     *  + `'short'`\n     *  + `'ushort'`\n     *  + `'float'` Most commonly used.\n     * @type {string}\n     */\n    this.type = type;\n    /**\n     * Size of attribute component. 1 - 4.\n     * @type {number}\n     */\n    this.size = size;\n    /**\n     * Semantic of this attribute.\n     * Possible values:\n     *  + `'POSITION'`\n     *  + `'NORMAL'`\n     *  + `'BINORMAL'`\n     *  + `'TANGENT'`\n     *  + `'TEXCOORD'`\n     *  + `'TEXCOORD_0'`\n     *  + `'TEXCOORD_1'`\n     *  + `'COLOR'`\n     *  + `'JOINT'`\n     *  + `'WEIGHT'`\n     *\n     * In shader, attribute with same semantic will be automatically mapped. For example:\n     * ```glsl\n     * attribute vec3 pos: POSITION\n     * ```\n     * will use the attribute value with semantic POSITION in geometry, no matter what name it used.\n     * @type {string}\n     */\n    this.semantic = semantic || '';\n\n    /**\n     * Value of the attribute.\n     * @type {TypedArray}\n     */\n    this.value = null;\n\n    // Init getter setter\n    switch (size) {\n        case 1:\n            this.get = function (idx) {\n                return this.value[idx];\n            };\n            this.set = function (idx, value) {\n                this.value[idx] = value;\n            };\n            // Copy from source to target\n            this.copy = function (target, source) {\n                this.value[target] = this.value[target];\n            };\n            break;\n        case 2:\n            this.get = function (idx, out) {\n                var arr = this.value;\n                out[0] = arr[idx * 2];\n                out[1] = arr[idx * 2 + 1];\n                return out;\n            };\n            this.set = function (idx, val) {\n                var arr = this.value;\n                arr[idx * 2] = val[0];\n                arr[idx * 2 + 1] = val[1];\n            };\n            this.copy = function (target, source) {\n                var arr = this.value;\n                source *= 2;\n                target *= 2;\n                arr[target] = arr[source];\n                arr[target + 1] = arr[source + 1];\n            };\n            break;\n        case 3:\n            this.get = function (idx, out) {\n                var idx3 = idx * 3;\n                var arr = this.value;\n                out[0] = arr[idx3];\n                out[1] = arr[idx3 + 1];\n                out[2] = arr[idx3 + 2];\n                return out;\n            };\n            this.set = function (idx, val) {\n                var idx3 = idx * 3;\n                var arr = this.value;\n                arr[idx3] = val[0];\n                arr[idx3 + 1] = val[1];\n                arr[idx3 + 2] = val[2];\n            };\n            this.copy = function (target, source) {\n                var arr = this.value;\n                source *= 3;\n                target *= 3;\n                arr[target] = arr[source];\n                arr[target + 1] = arr[source + 1];\n                arr[target + 2] = arr[source + 2];\n            };\n            break;\n        case 4:\n            this.get = function (idx, out) {\n                var arr = this.value;\n                var idx4 = idx * 4;\n                out[0] = arr[idx4];\n                out[1] = arr[idx4 + 1];\n                out[2] = arr[idx4 + 2];\n                out[3] = arr[idx4 + 3];\n                return out;\n            };\n            this.set = function (idx, val) {\n                var arr = this.value;\n                var idx4 = idx * 4;\n                arr[idx4] = val[0];\n                arr[idx4 + 1] = val[1];\n                arr[idx4 + 2] = val[2];\n                arr[idx4 + 3] = val[3];\n            };\n            this.copy = function (target, source) {\n                var arr = this.value;\n                source *= 4;\n                target *= 4;\n                // copyWithin is extremely slow\n                arr[target] = arr[source];\n                arr[target + 1] = arr[source + 1];\n                arr[target + 2] = arr[source + 2];\n                arr[target + 3] = arr[source + 3];\n            };\n    }\n}\n\n/**\n * Set item value at give index. Second parameter val is number if size is 1\n * @function\n * @name clay.GeometryBase.Attribute#set\n * @param {number} idx\n * @param {number[]|number} val\n * @example\n * geometry.getAttribute('position').set(0, [1, 1, 1]);\n */\n\n/**\n * Get item value at give index. Second parameter out is no need if size is 1\n * @function\n * @name clay.GeometryBase.Attribute#set\n * @param {number} idx\n * @param {number[]} [out]\n * @example\n * geometry.getAttribute('position').get(0, out);\n */\n\n/**\n * Initialize attribute with given vertex count\n * @param {number} nVertex\n */\nAttribute.prototype.init = function (nVertex) {\n    if (!this.value || this.value.length !== nVertex * this.size) {\n        var ArrayConstructor = getArrayCtorByType(this.type);\n        this.value = new ArrayConstructor(nVertex * this.size);\n    }\n};\n\n/**\n * Initialize attribute with given array. Which can be 1 dimensional or 2 dimensional\n * @param {Array} array\n * @example\n *  geometry.getAttribute('position').fromArray(\n *      [-1, 0, 0, 1, 0, 0, 0, 1, 0]\n *  );\n *  geometry.getAttribute('position').fromArray(\n *      [ [-1, 0, 0], [1, 0, 0], [0, 1, 0] ]\n *  );\n */\nAttribute.prototype.fromArray = function (array) {\n    var ArrayConstructor = getArrayCtorByType(this.type);\n    var value;\n    // Convert 2d array to flat\n    if (array[0] && (array[0].length)) {\n        var n = 0;\n        var size = this.size;\n        value = new ArrayConstructor(array.length * size);\n        for (var i = 0; i < array.length; i++) {\n            for (var j = 0; j < size; j++) {\n                value[n++] = array[i][j];\n            }\n        }\n    }\n    else {\n        value = new ArrayConstructor(array);\n    }\n    this.value = value;\n};\n\nAttribute.prototype.clone = function(copyValue) {\n    var ret = new Attribute(this.name, this.type, this.size, this.semantic);\n    // FIXME\n    if (copyValue) {\n        console.warn('todo');\n    }\n    return ret;\n};\n\nfunction AttributeBuffer(name, type, buffer, size, semantic) {\n    this.name = name;\n    this.type = type;\n    this.buffer = buffer;\n    this.size = size;\n    this.semantic = semantic;\n\n    // To be set in mesh\n    // symbol in the shader\n    this.symbol = '';\n\n    // Needs remove flag\n    this.needsRemove = false;\n}\n\nfunction IndicesBuffer(buffer) {\n    this.buffer = buffer;\n    this.count = 0;\n}\n\n/**\n * Base of all geometry. Use {@link clay.Geometry} for common 3D usage.\n * @constructor clay.GeometryBase\n * @extends clay.core.Base\n */\nvar GeometryBase = Base.extend(function () {\n    return /** @lends clay.GeometryBase# */ {\n        /**\n         * Attributes of geometry.\n         * @type {Object.<string, clay.GeometryBase.Attribute>}\n         */\n        attributes: {},\n\n        /**\n         * Indices of geometry.\n         * @type {Uint16Array|Uint32Array}\n         */\n        indices: null,\n\n        /**\n         * Is vertices data dynamically updated.\n         * Attributes value can't be changed after first render if dyanmic is false.\n         * @type {boolean}\n         */\n        dynamic: true,\n\n        _enabledAttributes: null,\n\n        // PENDING\n        // Init it here to avoid deoptimization when it's assigned in application dynamically\n        __used: 0\n    };\n}, function () {\n    // Use cache\n    this._cache = new Cache();\n\n    this._attributeList = Object.keys(this.attributes);\n\n    this.__vaoCache = {};\n},\n/** @lends clay.GeometryBase.prototype */\n{\n    /**\n     * Main attribute will be used to count vertex number\n     * @type {string}\n     */\n    mainAttribute: '',\n    /**\n     * User defined picking algorithm instead of default\n     * triangle ray intersection\n     * x, y are NDC.\n     * ```typescript\n     * (x, y, renderer, camera, renderable, out) => boolean\n     * ```\n     * @type {?Function}\n     */\n    pick: null,\n\n    /**\n     * User defined ray picking algorithm instead of default\n     * triangle ray intersection\n     * ```typescript\n     * (ray: clay.Ray, renderable: clay.Renderable, out: Array) => boolean\n     * ```\n     * @type {?Function}\n     */\n    pickByRay: null,\n\n    /**\n     * Mark attributes and indices in geometry needs to update.\n     * Usually called after you change the data in attributes.\n     */\n    dirty: function () {\n        var enabledAttributes = this.getEnabledAttributes();\n        for (var i = 0; i < enabledAttributes.length; i++) {\n            this.dirtyAttribute(enabledAttributes[i]);\n        }\n        this.dirtyIndices();\n        this._enabledAttributes = null;\n\n        this._cache.dirty('any');\n    },\n    /**\n     * Mark the indices needs to update.\n     */\n    dirtyIndices: function () {\n        this._cache.dirtyAll('indices');\n    },\n    /**\n     * Mark the attributes needs to update.\n     * @param {string} [attrName]\n     */\n    dirtyAttribute: function (attrName) {\n        this._cache.dirtyAll(makeAttrKey(attrName));\n        this._cache.dirtyAll('attributes');\n    },\n    /**\n     * Get indices of triangle at given index.\n     * @param {number} idx\n     * @param {Array.<number>} out\n     * @return {Array.<number>}\n     */\n    getTriangleIndices: function (idx, out) {\n        if (idx < this.triangleCount && idx >= 0) {\n            if (!out) {\n                out = [];\n            }\n            var indices = this.indices;\n            out[0] = indices[idx * 3];\n            out[1] = indices[idx * 3 + 1];\n            out[2] = indices[idx * 3 + 2];\n            return out;\n        }\n    },\n\n    /**\n     * Set indices of triangle at given index.\n     * @param {number} idx\n     * @param {Array.<number>} arr\n     */\n    setTriangleIndices: function (idx, arr) {\n        var indices = this.indices;\n        indices[idx * 3] = arr[0];\n        indices[idx * 3 + 1] = arr[1];\n        indices[idx * 3 + 2] = arr[2];\n    },\n\n    isUseIndices: function () {\n        return !!this.indices;\n    },\n\n    /**\n     * Initialize indices from an array.\n     * @param {Array} array\n     */\n    initIndicesFromArray: function (array) {\n        var value;\n        var ArrayConstructor = this.vertexCount > 0xffff\n            ? vendor.Uint32Array : vendor.Uint16Array;\n        // Convert 2d array to flat\n        if (array[0] && (array[0].length)) {\n            var n = 0;\n            var size = 3;\n\n            value = new ArrayConstructor(array.length * size);\n            for (var i = 0; i < array.length; i++) {\n                for (var j = 0; j < size; j++) {\n                    value[n++] = array[i][j];\n                }\n            }\n        }\n        else {\n            value = new ArrayConstructor(array);\n        }\n\n        this.indices = value;\n    },\n    /**\n     * Create a new attribute\n     * @param {string} name\n     * @param {string} type\n     * @param {number} size\n     * @param {string} [semantic]\n     */\n    createAttribute: function (name, type, size, semantic) {\n        var attrib = new Attribute(name, type, size, semantic);\n        if (this.attributes[name]) {\n            this.removeAttribute(name);\n        }\n        this.attributes[name] = attrib;\n        this._attributeList.push(name);\n        return attrib;\n    },\n    /**\n     * Remove attribute\n     * @param {string} name\n     */\n    removeAttribute: function (name) {\n        var attributeList = this._attributeList;\n        var idx = attributeList.indexOf(name);\n        if (idx >= 0) {\n            attributeList.splice(idx, 1);\n            delete this.attributes[name];\n            return true;\n        }\n        return false;\n    },\n\n    /**\n     * Get attribute\n     * @param {string} name\n     * @return {clay.GeometryBase.Attribute}\n     */\n    getAttribute: function (name) {\n        return this.attributes[name];\n    },\n\n    /**\n     * Get enabled attributes name list\n     * Attribute which has the same vertex number with position is treated as a enabled attribute\n     * @return {string[]}\n     */\n    getEnabledAttributes: function () {\n        var enabledAttributes = this._enabledAttributes;\n        var attributeList = this._attributeList;\n        // Cache\n        if (enabledAttributes) {\n            return enabledAttributes;\n        }\n\n        var result = [];\n        var nVertex = this.vertexCount;\n\n        for (var i = 0; i < attributeList.length; i++) {\n            var name = attributeList[i];\n            var attrib = this.attributes[name];\n            if (attrib.value) {\n                if (attrib.value.length === nVertex * attrib.size) {\n                    result.push(name);\n                }\n            }\n        }\n\n        this._enabledAttributes = result;\n\n        return result;\n    },\n\n    getBufferChunks: function (renderer) {\n        var cache = this._cache;\n        cache.use(renderer.__uid__);\n        var isAttributesDirty = cache.isDirty('attributes');\n        var isIndicesDirty = cache.isDirty('indices');\n        if (isAttributesDirty || isIndicesDirty) {\n            this._updateBuffer(renderer.gl, isAttributesDirty, isIndicesDirty);\n            var enabledAttributes = this.getEnabledAttributes();\n            for (var i = 0; i < enabledAttributes.length; i++) {\n                cache.fresh(makeAttrKey(enabledAttributes[i]));\n            }\n            cache.fresh('attributes');\n            cache.fresh('indices');\n        }\n        cache.fresh('any');\n        return cache.get('chunks');\n    },\n\n    _updateBuffer: function (_gl, isAttributesDirty, isIndicesDirty) {\n        var cache = this._cache;\n        var chunks = cache.get('chunks');\n        var firstUpdate = false;\n        if (!chunks) {\n            chunks = [];\n            // Intialize\n            chunks[0] = {\n                attributeBuffers: [],\n                indicesBuffer: null\n            };\n            cache.put('chunks', chunks);\n            firstUpdate = true;\n        }\n\n        var chunk = chunks[0];\n        var attributeBuffers = chunk.attributeBuffers;\n        var indicesBuffer = chunk.indicesBuffer;\n\n        if (isAttributesDirty || firstUpdate) {\n            var attributeList = this.getEnabledAttributes();\n\n            var attributeBufferMap = {};\n            if (!firstUpdate) {\n                for (var i = 0; i < attributeBuffers.length; i++) {\n                    attributeBufferMap[attributeBuffers[i].name] = attributeBuffers[i];\n                }\n            }\n            // FIXME If some attributes removed\n            for (var k = 0; k < attributeList.length; k++) {\n                var name = attributeList[k];\n                var attribute = this.attributes[name];\n\n                var bufferInfo;\n\n                if (!firstUpdate) {\n                    bufferInfo = attributeBufferMap[name];\n                }\n                var buffer;\n                if (bufferInfo) {\n                    buffer = bufferInfo.buffer;\n                }\n                else {\n                    buffer = _gl.createBuffer();\n                }\n                if (cache.isDirty(makeAttrKey(name))) {\n                    // Only update when they are dirty.\n                    // TODO: Use BufferSubData?\n                    _gl.bindBuffer(_gl.ARRAY_BUFFER, buffer);\n                    _gl.bufferData(_gl.ARRAY_BUFFER, attribute.value, this.dynamic ? _gl.DYNAMIC_DRAW : _gl.STATIC_DRAW);\n                }\n\n                attributeBuffers[k] = new AttributeBuffer(name, attribute.type, buffer, attribute.size, attribute.semantic);\n            }\n            // Remove unused attributes buffers.\n            // PENDING\n            for (var i = k; i < attributeBuffers.length; i++) {\n                _gl.deleteBuffer(attributeBuffers[i].buffer);\n            }\n            attributeBuffers.length = k;\n\n        }\n\n        if (this.isUseIndices() && (isIndicesDirty || firstUpdate)) {\n            if (!indicesBuffer) {\n                indicesBuffer = new IndicesBuffer(_gl.createBuffer());\n                chunk.indicesBuffer = indicesBuffer;\n            }\n            indicesBuffer.count = this.indices.length;\n            _gl.bindBuffer(_gl.ELEMENT_ARRAY_BUFFER, indicesBuffer.buffer);\n            _gl.bufferData(_gl.ELEMENT_ARRAY_BUFFER, this.indices, this.dynamic ? _gl.DYNAMIC_DRAW : _gl.STATIC_DRAW);\n        }\n    },\n\n    /**\n     * Dispose geometry data in GL context.\n     * @param {clay.Renderer} renderer\n     */\n    dispose: function (renderer) {\n\n        var cache = this._cache;\n\n        cache.use(renderer.__uid__);\n        var chunks = cache.get('chunks');\n        if (chunks) {\n            for (var c = 0; c < chunks.length; c++) {\n                var chunk = chunks[c];\n\n                for (var k = 0; k < chunk.attributeBuffers.length; k++) {\n                    var attribs = chunk.attributeBuffers[k];\n                    renderer.gl.deleteBuffer(attribs.buffer);\n                }\n\n                if (chunk.indicesBuffer) {\n                    renderer.gl.deleteBuffer(chunk.indicesBuffer.buffer);\n                }\n            }\n        }\n        if (this.__vaoCache) {\n            var vaoExt = renderer.getGLExtension('OES_vertex_array_object');\n            for (var id in this.__vaoCache) {\n                var vao = this.__vaoCache[id].vao;\n                if (vao) {\n                    vaoExt.deleteVertexArrayOES(vao);\n                }\n            }\n        }\n        this.__vaoCache = {};\n        cache.deleteContext(renderer.__uid__);\n    }\n\n});\n\nif (Object.defineProperty) {\n    /**\n     * @name clay.GeometryBase#vertexCount\n     * @type {number}\n     * @readOnly\n     */\n    Object.defineProperty(GeometryBase.prototype, 'vertexCount', {\n\n        enumerable: false,\n\n        get: function () {\n\n            var mainAttribute = this.attributes[this.mainAttribute];\n\n            if (!mainAttribute) {\n                mainAttribute = this.attributes[this._attributeList[0]];\n            }\n\n            if (!mainAttribute || !mainAttribute.value) {\n                return 0;\n            }\n            return mainAttribute.value.length / mainAttribute.size;\n        }\n    });\n    /**\n     * @name clay.GeometryBase#triangleCount\n     * @type {number}\n     * @readOnly\n     */\n    Object.defineProperty(GeometryBase.prototype, 'triangleCount', {\n\n        enumerable: false,\n\n        get: function () {\n            var indices = this.indices;\n            if (!indices) {\n                return 0;\n            }\n            else {\n                return indices.length / 3;\n            }\n        }\n    });\n}\n\nGeometryBase.STATIC_DRAW = glenum.STATIC_DRAW;\nGeometryBase.DYNAMIC_DRAW = glenum.DYNAMIC_DRAW;\nGeometryBase.STREAM_DRAW = glenum.STREAM_DRAW;\n\nGeometryBase.AttributeBuffer = AttributeBuffer;\nGeometryBase.IndicesBuffer = IndicesBuffer;\n\nGeometryBase.Attribute = Attribute;\n\nexport default GeometryBase;\n","import vendor from './core/vendor';\nimport vec3 from './glmatrix/vec3';\nimport mat4 from './glmatrix/mat4';\nimport BoundingBox from './math/BoundingBox';\nimport GeometryBase from './GeometryBase';\n\nvar vec3Create = vec3.create;\nvar vec3Add = vec3.add;\nvar vec3Set = vec3.set;\n\nvar Attribute = GeometryBase.Attribute;\n\n/**\n * Geometry in ClayGL contains vertex attributes of mesh. These vertex attributes will be finally provided to the {@link clay.Shader}.\n * Different {@link clay.Shader} needs different attributes. Here is a list of attributes used in the builtin shaders.\n *\n * + position: `clay.basic`, `clay.lambert`, `clay.standard`\n * + texcoord0: `clay.basic`, `clay.lambert`, `clay.standard`\n * + color: `clay.basic`, `clay.lambert`, `clay.standard`\n * + weight: `clay.basic`, `clay.lambert`, `clay.standard`\n * + joint: `clay.basic`, `clay.lambert`, `clay.standard`\n * + normal: `clay.lambert`, `clay.standard`\n * + tangent: `clay.standard`\n *\n * #### Create a procedural geometry\n *\n * ClayGL provides a couple of builtin procedural geometries. Inlcuding:\n *\n *  + {@link clay.geometry.Cube}\n *  + {@link clay.geometry.Sphere}\n *  + {@link clay.geometry.Plane}\n *  + {@link clay.geometry.Cylinder}\n *  + {@link clay.geometry.Cone}\n *  + {@link clay.geometry.ParametricSurface}\n *\n * It's simple to create a basic geometry with these classes.\n *\n```js\nvar sphere = new clay.geometry.Sphere({\n    radius: 2\n});\n```\n *\n * #### Create the geometry data by yourself\n *\n * Usually the vertex attributes data are created by the {@link clay.loader.GLTF} or procedural geometries like {@link clay.geometry.Sphere}.\n * Besides these, you can create the data manually. Here is a simple example to create a triangle.\n```js\nvar TRIANGLE_POSITIONS = [\n    [-0.5, -0.5, 0],\n    [0.5, -0.5, 0],\n    [0, 0.5, 0]\n];\nvar geometry = new clay.StaticGeometryBase();\n// Add triangle vertices to position attribute.\ngeometry.attributes.position.fromArray(TRIANGLE_POSITIONS);\n```\n * Then you can use the utility methods like `generateVertexNormals`, `generateTangents` to create the remaining necessary attributes.\n *\n *\n * #### Use with custom shaders\n *\n * If you wan't to write custom shaders. Don't forget to add SEMANTICS to these attributes. For example\n *\n ```glsl\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\nuniform mat4 worldInverseTranspose : WORLDINVERSETRANSPOSE;\nuniform mat4 world : WORLD;\n\nattribute vec3 position : POSITION;\nattribute vec2 texcoord : TEXCOORD_0;\nattribute vec3 normal : NORMAL;\n```\n * These `POSITION`, `TEXCOORD_0`, `NORMAL` are SEMANTICS which will map the attributes in shader to the attributes in the GeometryBase\n *\n * Available attributes SEMANTICS includes `POSITION`, `TEXCOORD_0`, `TEXCOORD_1` `NORMAL`, `TANGENT`, `COLOR`, `WEIGHT`, `JOINT`.\n *\n *\n * @constructor clay.Geometry\n * @extends clay.GeometryBase\n */\nvar Geometry = GeometryBase.extend(function () {\n    return /** @lends clay.Geometry# */ {\n        /**\n         * Attributes of geometry. Including:\n         *  + `position`\n         *  + `texcoord0`\n         *  + `texcoord1`\n         *  + `normal`\n         *  + `tangent`\n         *  + `color`\n         *  + `weight`\n         *  + `joint`\n         *  + `barycentric`\n         *\n         * @type {Object.<string, clay.Geometry.Attribute>}\n         */\n        attributes: {\n            position: new Attribute('position', 'float', 3, 'POSITION'),\n            texcoord0: new Attribute('texcoord0', 'float', 2, 'TEXCOORD_0'),\n            texcoord1: new Attribute('texcoord1', 'float', 2, 'TEXCOORD_1'),\n            normal: new Attribute('normal', 'float', 3, 'NORMAL'),\n            tangent: new Attribute('tangent', 'float', 4, 'TANGENT'),\n            color: new Attribute('color', 'float', 4, 'COLOR'),\n            // Skinning attributes\n            // Each vertex can be bind to 4 bones, because the\n            // sum of weights is 1, so the weights is stored in vec3 and the last\n            // can be calculated by 1-w.x-w.y-w.z\n            weight: new Attribute('weight', 'float', 3, 'WEIGHT'),\n            joint: new Attribute('joint', 'float', 4, 'JOINT'),\n            // For wireframe display\n            // http://codeflow.org/entries/2012/aug/02/easy-wireframe-display-with-barycentric-coordinates/\n            barycentric: new Attribute('barycentric', 'float', 3, null),\n        },\n        /**\n         * Calculated bounding box of geometry.\n         * @type {clay.BoundingBox}\n         */\n        boundingBox: null\n    };\n},\n/** @lends clay.Geometry.prototype */\n{\n\n    mainAttribute: 'position',\n\n    /**\n     * Update boundingBox of Geometry\n     */\n    updateBoundingBox: function () {\n        var bbox = this.boundingBox;\n        if (!bbox) {\n            bbox = this.boundingBox = new BoundingBox();\n        }\n        var posArr = this.attributes.position.value;\n        if (posArr && posArr.length) {\n            var min = bbox.min;\n            var max = bbox.max;\n            var minArr = min.array;\n            var maxArr = max.array;\n            vec3.set(minArr, posArr[0], posArr[1], posArr[2]);\n            vec3.set(maxArr, posArr[0], posArr[1], posArr[2]);\n            for (var i = 3; i < posArr.length;) {\n                var x = posArr[i++];\n                var y = posArr[i++];\n                var z = posArr[i++];\n                if (x < minArr[0]) { minArr[0] = x; }\n                if (y < minArr[1]) { minArr[1] = y; }\n                if (z < minArr[2]) { minArr[2] = z; }\n\n                if (x > maxArr[0]) { maxArr[0] = x; }\n                if (y > maxArr[1]) { maxArr[1] = y; }\n                if (z > maxArr[2]) { maxArr[2] = z; }\n            }\n            min._dirty = true;\n            max._dirty = true;\n        }\n    },\n\n    /**\n     * Generate normals per vertex.\n     */\n    generateVertexNormals: function () {\n        if (!this.vertexCount) {\n            return;\n        }\n\n        var indices = this.indices;\n        var attributes = this.attributes;\n        var positions = attributes.position.value;\n        var normals = attributes.normal.value;\n\n        if (!normals || normals.length !== positions.length) {\n            normals = attributes.normal.value = new vendor.Float32Array(positions.length);\n        }\n        else {\n            // Reset\n            for (var i = 0; i < normals.length; i++) {\n                normals[i] = 0;\n            }\n        }\n\n        var p1 = vec3Create();\n        var p2 = vec3Create();\n        var p3 = vec3Create();\n\n        var v21 = vec3Create();\n        var v32 = vec3Create();\n\n        var n = vec3Create();\n\n        var len = indices ? indices.length : this.vertexCount;\n        var i1, i2, i3;\n        for (var f = 0; f < len;) {\n            if (indices) {\n                i1 = indices[f++];\n                i2 = indices[f++];\n                i3 = indices[f++];\n            }\n            else {\n                i1 = f++;\n                i2 = f++;\n                i3 = f++;\n            }\n\n            vec3Set(p1, positions[i1*3], positions[i1*3+1], positions[i1*3+2]);\n            vec3Set(p2, positions[i2*3], positions[i2*3+1], positions[i2*3+2]);\n            vec3Set(p3, positions[i3*3], positions[i3*3+1], positions[i3*3+2]);\n\n            vec3.sub(v21, p1, p2);\n            vec3.sub(v32, p2, p3);\n            vec3.cross(n, v21, v32);\n            // Already be weighted by the triangle area\n            for (var i = 0; i < 3; i++) {\n                normals[i1*3+i] = normals[i1*3+i] + n[i];\n                normals[i2*3+i] = normals[i2*3+i] + n[i];\n                normals[i3*3+i] = normals[i3*3+i] + n[i];\n            }\n        }\n\n        for (var i = 0; i < normals.length;) {\n            vec3Set(n, normals[i], normals[i+1], normals[i+2]);\n            vec3.normalize(n, n);\n            normals[i++] = n[0];\n            normals[i++] = n[1];\n            normals[i++] = n[2];\n        }\n        this.dirty();\n    },\n\n    /**\n     * Generate normals per face.\n     */\n    generateFaceNormals: function () {\n        if (!this.vertexCount) {\n            return;\n        }\n\n        if (!this.isUniqueVertex()) {\n            this.generateUniqueVertex();\n        }\n\n        var indices = this.indices;\n        var attributes = this.attributes;\n        var positions = attributes.position.value;\n        var normals = attributes.normal.value;\n\n        var p1 = vec3Create();\n        var p2 = vec3Create();\n        var p3 = vec3Create();\n\n        var v21 = vec3Create();\n        var v32 = vec3Create();\n        var n = vec3Create();\n\n        if (!normals) {\n            normals = attributes.normal.value = new Float32Array(positions.length);\n        }\n        var len = indices ? indices.length : this.vertexCount;\n        var i1, i2, i3;\n        for (var f = 0; f < len;) {\n            if (indices) {\n                i1 = indices[f++];\n                i2 = indices[f++];\n                i3 = indices[f++];\n            }\n            else {\n                i1 = f++;\n                i2 = f++;\n                i3 = f++;\n            }\n\n            vec3Set(p1, positions[i1*3], positions[i1*3+1], positions[i1*3+2]);\n            vec3Set(p2, positions[i2*3], positions[i2*3+1], positions[i2*3+2]);\n            vec3Set(p3, positions[i3*3], positions[i3*3+1], positions[i3*3+2]);\n\n            vec3.sub(v21, p1, p2);\n            vec3.sub(v32, p2, p3);\n            vec3.cross(n, v21, v32);\n\n            vec3.normalize(n, n);\n\n            for (var i = 0; i < 3; i++) {\n                normals[i1*3 + i] = n[i];\n                normals[i2*3 + i] = n[i];\n                normals[i3*3 + i] = n[i];\n            }\n        }\n        this.dirty();\n    },\n\n    /**\n     * Generate tangents attributes.\n     */\n    generateTangents: function () {\n        if (!this.vertexCount) {\n            return;\n        }\n\n        var nVertex = this.vertexCount;\n        var attributes = this.attributes;\n        if (!attributes.tangent.value) {\n            attributes.tangent.value = new Float32Array(nVertex * 4);\n        }\n        var texcoords = attributes.texcoord0.value;\n        var positions = attributes.position.value;\n        var tangents = attributes.tangent.value;\n        var normals = attributes.normal.value;\n\n        if (!texcoords) {\n            console.warn('Geometry without texcoords can\\'t generate tangents.');\n            return;\n        }\n\n        var tan1 = [];\n        var tan2 = [];\n        for (var i = 0; i < nVertex; i++) {\n            tan1[i] = [0.0, 0.0, 0.0];\n            tan2[i] = [0.0, 0.0, 0.0];\n        }\n\n        var sdir = [0.0, 0.0, 0.0];\n        var tdir = [0.0, 0.0, 0.0];\n        var indices = this.indices;\n\n        var len = indices ? indices.length : this.vertexCount;\n        var i1, i2, i3;\n        for (var i = 0; i < len;) {\n            if (indices) {\n                i1 = indices[i++];\n                i2 = indices[i++];\n                i3 = indices[i++];\n            }\n            else {\n                i1 = i++;\n                i2 = i++;\n                i3 = i++;\n            }\n\n            var st1s = texcoords[i1 * 2],\n                st2s = texcoords[i2 * 2],\n                st3s = texcoords[i3 * 2],\n                st1t = texcoords[i1 * 2 + 1],\n                st2t = texcoords[i2 * 2 + 1],\n                st3t = texcoords[i3 * 2 + 1],\n\n                p1x = positions[i1 * 3],\n                p2x = positions[i2 * 3],\n                p3x = positions[i3 * 3],\n                p1y = positions[i1 * 3 + 1],\n                p2y = positions[i2 * 3 + 1],\n                p3y = positions[i3 * 3 + 1],\n                p1z = positions[i1 * 3 + 2],\n                p2z = positions[i2 * 3 + 2],\n                p3z = positions[i3 * 3 + 2];\n\n            var x1 = p2x - p1x,\n                x2 = p3x - p1x,\n                y1 = p2y - p1y,\n                y2 = p3y - p1y,\n                z1 = p2z - p1z,\n                z2 = p3z - p1z;\n\n            var s1 = st2s - st1s,\n                s2 = st3s - st1s,\n                t1 = st2t - st1t,\n                t2 = st3t - st1t;\n\n            var r = 1.0 / (s1 * t2 - t1 * s2);\n            sdir[0] = (t2 * x1 - t1 * x2) * r;\n            sdir[1] = (t2 * y1 - t1 * y2) * r;\n            sdir[2] = (t2 * z1 - t1 * z2) * r;\n\n            tdir[0] = (s1 * x2 - s2 * x1) * r;\n            tdir[1] = (s1 * y2 - s2 * y1) * r;\n            tdir[2] = (s1 * z2 - s2 * z1) * r;\n\n            vec3Add(tan1[i1], tan1[i1], sdir);\n            vec3Add(tan1[i2], tan1[i2], sdir);\n            vec3Add(tan1[i3], tan1[i3], sdir);\n            vec3Add(tan2[i1], tan2[i1], tdir);\n            vec3Add(tan2[i2], tan2[i2], tdir);\n            vec3Add(tan2[i3], tan2[i3], tdir);\n        }\n        var tmp = vec3Create();\n        var nCrossT = vec3Create();\n        var n = vec3Create();\n        for (var i = 0; i < nVertex; i++) {\n            n[0] = normals[i * 3];\n            n[1] = normals[i * 3 + 1];\n            n[2] = normals[i * 3 + 2];\n            var t = tan1[i];\n\n            // Gram-Schmidt orthogonalize\n            vec3.scale(tmp, n, vec3.dot(n, t));\n            vec3.sub(tmp, t, tmp);\n            vec3.normalize(tmp, tmp);\n            // Calculate handedness.\n            vec3.cross(nCrossT, n, t);\n            tangents[i * 4] = tmp[0];\n            tangents[i * 4 + 1] = tmp[1];\n            tangents[i * 4 + 2] = tmp[2];\n            // PENDING can config ?\n            tangents[i * 4 + 3] = vec3.dot(nCrossT, tan2[i]) < 0.0 ? -1.0 : 1.0;\n        }\n        this.dirty();\n    },\n\n    /**\n     * If vertices are not shared by different indices.\n     */\n    isUniqueVertex: function () {\n        if (this.isUseIndices()) {\n            return this.vertexCount === this.indices.length;\n        }\n        else {\n            return true;\n        }\n    },\n    /**\n     * Create a unique vertex for each index.\n     */\n    generateUniqueVertex: function () {\n        if (!this.vertexCount || !this.indices) {\n            return;\n        }\n\n        if (this.indices.length > 0xffff) {\n            this.indices = new vendor.Uint32Array(this.indices);\n        }\n\n        var attributes = this.attributes;\n        var indices = this.indices;\n\n        var attributeNameList = this.getEnabledAttributes();\n\n        var oldAttrValues = {};\n        for (var a = 0; a < attributeNameList.length; a++) {\n            var name = attributeNameList[a];\n            oldAttrValues[name] = attributes[name].value;\n            attributes[name].init(this.indices.length);\n        }\n\n        var cursor = 0;\n        for (var i = 0; i < indices.length; i++) {\n            var ii = indices[i];\n            for (var a = 0; a < attributeNameList.length; a++) {\n                var name = attributeNameList[a];\n                var array = attributes[name].value;\n                var size = attributes[name].size;\n\n                for (var k = 0; k < size; k++) {\n                    array[cursor * size + k] = oldAttrValues[name][ii * size + k];\n                }\n            }\n            indices[i] = cursor;\n            cursor++;\n        }\n\n        this.dirty();\n    },\n\n    /**\n     * Generate barycentric coordinates for wireframe draw.\n     */\n    generateBarycentric: function () {\n        if (!this.vertexCount) {\n            return;\n        }\n\n        if (!this.isUniqueVertex()) {\n            this.generateUniqueVertex();\n        }\n\n        var attributes = this.attributes;\n        var array = attributes.barycentric.value;\n        var indices = this.indices;\n        // Already existed;\n        if (array && array.length === indices.length * 3) {\n            return;\n        }\n        array = attributes.barycentric.value = new Float32Array(indices.length * 3);\n\n        for (var i = 0; i < (indices ? indices.length : this.vertexCount / 3);) {\n            for (var j = 0; j < 3; j++) {\n                var ii = indices ? indices[i++] : (i * 3 + j);\n                array[ii * 3 + j] = 1;\n            }\n        }\n        this.dirty();\n    },\n\n    /**\n     * Apply transform to geometry attributes.\n     * @param {clay.Matrix4} matrix\n     */\n    applyTransform: function (matrix) {\n\n        var attributes = this.attributes;\n        var positions = attributes.position.value;\n        var normals = attributes.normal.value;\n        var tangents = attributes.tangent.value;\n\n        matrix = matrix.array;\n        // Normal Matrix\n        var inverseTransposeMatrix = mat4.create();\n        mat4.invert(inverseTransposeMatrix, matrix);\n        mat4.transpose(inverseTransposeMatrix, inverseTransposeMatrix);\n\n        var vec3TransformMat4 = vec3.transformMat4;\n        var vec3ForEach = vec3.forEach;\n        vec3ForEach(positions, 3, 0, null, vec3TransformMat4, matrix);\n        if (normals) {\n            vec3ForEach(normals, 3, 0, null, vec3TransformMat4, inverseTransposeMatrix);\n        }\n        if (tangents) {\n            vec3ForEach(tangents, 4, 0, null, vec3TransformMat4, inverseTransposeMatrix);\n        }\n\n        if (this.boundingBox) {\n            this.updateBoundingBox();\n        }\n    },\n    /**\n     * Dispose geometry data in GL context.\n     * @param {clay.Renderer} renderer\n     */\n    dispose: function (renderer) {\n\n        var cache = this._cache;\n\n        cache.use(renderer.__uid__);\n        var chunks = cache.get('chunks');\n        if (chunks) {\n            for (var c = 0; c < chunks.length; c++) {\n                var chunk = chunks[c];\n\n                for (var k = 0; k < chunk.attributeBuffers.length; k++) {\n                    var attribs = chunk.attributeBuffers[k];\n                    renderer.gl.deleteBuffer(attribs.buffer);\n                }\n\n                if (chunk.indicesBuffer) {\n                    renderer.gl.deleteBuffer(chunk.indicesBuffer.buffer);\n                }\n            }\n        }\n        if (this.__vaoCache) {\n            var vaoExt = renderer.getGLExtension('OES_vertex_array_object');\n            for (var id in this.__vaoCache) {\n                var vao = this.__vaoCache[id].vao;\n                if (vao) {\n                    vaoExt.deleteVertexArrayOES(vao);\n                }\n            }\n        }\n        this.__vaoCache = {};\n        cache.deleteContext(renderer.__uid__);\n    }\n\n});\n\nGeometry.STATIC_DRAW = GeometryBase.STATIC_DRAW;\nGeometry.DYNAMIC_DRAW = GeometryBase.DYNAMIC_DRAW;\nGeometry.STREAM_DRAW = GeometryBase.STREAM_DRAW;\n\nGeometry.AttributeBuffer = GeometryBase.AttributeBuffer;\nGeometry.IndicesBuffer = GeometryBase.IndicesBuffer;\n\nGeometry.Attribute = Attribute;\n\nexport default Geometry;\n","import calcAmbientSHLightEssl from './calcAmbientSHLight.glsl.js';\n\nvar uniformVec3Prefix = 'uniform vec3 ';\nvar uniformFloatPrefix = 'uniform float ';\nvar exportHeaderPrefix = '@export clay.header.';\nvar exportEnd = '@end';\nvar unconfigurable = ':unconfigurable;';\nexport default [\n    exportHeaderPrefix + 'directional_light',\n    uniformVec3Prefix + 'directionalLightDirection[DIRECTIONAL_LIGHT_COUNT]' + unconfigurable,\n    uniformVec3Prefix + 'directionalLightColor[DIRECTIONAL_LIGHT_COUNT]' + unconfigurable,\n    exportEnd,\n\n    exportHeaderPrefix + 'ambient_light',\n    uniformVec3Prefix + 'ambientLightColor[AMBIENT_LIGHT_COUNT]' + unconfigurable,\n    exportEnd,\n\n    exportHeaderPrefix + 'ambient_sh_light',\n    uniformVec3Prefix + 'ambientSHLightColor[AMBIENT_SH_LIGHT_COUNT]' + unconfigurable,\n    uniformVec3Prefix + 'ambientSHLightCoefficients[AMBIENT_SH_LIGHT_COUNT * 9]' + unconfigurable,\n    calcAmbientSHLightEssl,\n    exportEnd,\n\n    exportHeaderPrefix + 'ambient_cubemap_light',\n    uniformVec3Prefix + 'ambientCubemapLightColor[AMBIENT_CUBEMAP_LIGHT_COUNT]' + unconfigurable,\n    'uniform samplerCube ambientCubemapLightCubemap[AMBIENT_CUBEMAP_LIGHT_COUNT]' + unconfigurable,\n    'uniform sampler2D ambientCubemapLightBRDFLookup[AMBIENT_CUBEMAP_LIGHT_COUNT]' + unconfigurable,\n    exportEnd,\n\n    exportHeaderPrefix + 'point_light',\n    uniformVec3Prefix + 'pointLightPosition[POINT_LIGHT_COUNT]' + unconfigurable,\n    uniformFloatPrefix + 'pointLightRange[POINT_LIGHT_COUNT]' + unconfigurable,\n    uniformVec3Prefix + 'pointLightColor[POINT_LIGHT_COUNT]' + unconfigurable,\n    exportEnd,\n\n    exportHeaderPrefix + 'spot_light',\n    uniformVec3Prefix + 'spotLightPosition[SPOT_LIGHT_COUNT]' + unconfigurable,\n    uniformVec3Prefix + 'spotLightDirection[SPOT_LIGHT_COUNT]' + unconfigurable,\n    uniformFloatPrefix + 'spotLightRange[SPOT_LIGHT_COUNT]' + unconfigurable,\n    uniformFloatPrefix + 'spotLightUmbraAngleCosine[SPOT_LIGHT_COUNT]' + unconfigurable,\n    uniformFloatPrefix + 'spotLightPenumbraAngleCosine[SPOT_LIGHT_COUNT]' + unconfigurable,\n    uniformFloatPrefix + 'spotLightFalloffFactor[SPOT_LIGHT_COUNT]' + unconfigurable,\n    uniformVec3Prefix + 'spotLightColor[SPOT_LIGHT_COUNT]' + unconfigurable,\n    exportEnd\n].join('\\n');\n","export default \"vec3 calcAmbientSHLight(int idx, vec3 N) {\\n int offset = 9 * idx;\\n return ambientSHLightCoefficients[0]\\n + ambientSHLightCoefficients[1] * N.x\\n + ambientSHLightCoefficients[2] * N.y\\n + ambientSHLightCoefficients[3] * N.z\\n + ambientSHLightCoefficients[4] * N.x * N.z\\n + ambientSHLightCoefficients[5] * N.z * N.y\\n + ambientSHLightCoefficients[6] * N.y * N.x\\n + ambientSHLightCoefficients[7] * (3.0 * N.z * N.z - 1.0)\\n + ambientSHLightCoefficients[8] * (N.x * N.x - N.y * N.y);\\n}\";\n","import Node from './Node';\nimport Shader from './Shader';\n\nimport lightShader from './shader/source/header/light';\nShader['import'](lightShader);\n\n/**\n * @constructor clay.Light\n * @extends clay.Node\n */\nvar Light = Node.extend(function(){\n    return /** @lends clay.Light# */ {\n        /**\n         * Light RGB color\n         * @type {number[]}\n         */\n        color: [1, 1, 1],\n\n        /**\n         * Light intensity\n         * @type {number}\n         */\n        intensity: 1.0,\n\n        // Config for shadow map\n        /**\n         * If light cast shadow\n         * @type {boolean}\n         */\n        castShadow: true,\n\n        /**\n         * Shadow map size\n         * @type {number}\n         */\n        shadowResolution: 512,\n\n        /**\n         * Light group, shader with same `lightGroup` will be affected\n         *\n         * Only useful in forward rendering\n         * @type {number}\n         */\n        group: 0\n    };\n},\n/** @lends clay.Light.prototype. */\n{\n    /**\n     * Light type\n     * @type {string}\n     * @memberOf clay.Light#\n     */\n    type: '',\n\n    /**\n     * @return {clay.Light}\n     * @memberOf clay.Light.prototype\n     */\n    clone: function() {\n        var light = Node.prototype.clone.call(this);\n        light.color = Array.prototype.slice.call(this.color);\n        light.intensity = this.intensity;\n        light.castShadow = this.castShadow;\n        light.shadowResolution = this.shadowResolution;\n\n        return light;\n    }\n});\n\nexport default Light;\n","import Vector3 from './Vector3';\nimport mat4 from '../glmatrix/mat4';\nimport vec3 from '../glmatrix/vec3';\nimport vec4 from '../glmatrix/vec4';\n\n/**\n * @constructor\n * @alias clay.Plane\n * @param {clay.Vector3} [normal]\n * @param {number} [distance]\n */\nvar Plane = function(normal, distance) {\n    /**\n     * Normal of the plane\n     * @type {clay.Vector3}\n     */\n    this.normal = normal || new Vector3(0, 1, 0);\n\n    /**\n     * Constant of the plane equation, used as distance to the origin\n     * @type {number}\n     */\n    this.distance = distance || 0;\n};\n\nPlane.prototype = {\n\n    constructor: Plane,\n\n    /**\n     * Distance from a given point to the plane\n     * @param  {clay.Vector3} point\n     * @return {number}\n     */\n    distanceToPoint: function(point) {\n        return vec3.dot(point.array, this.normal.array) - this.distance;\n    },\n\n    /**\n     * Calculate the projection point on the plane\n     * @param  {clay.Vector3} point\n     * @param  {clay.Vector3} out\n     * @return {clay.Vector3}\n     */\n    projectPoint: function(point, out) {\n        if (!out) {\n            out = new Vector3();\n        }\n        var d = this.distanceToPoint(point);\n        vec3.scaleAndAdd(out.array, point.array, this.normal.array, -d);\n        out._dirty = true;\n        return out;\n    },\n\n    /**\n     * Normalize the plane's normal and calculate the distance\n     */\n    normalize: function() {\n        var invLen = 1 / vec3.len(this.normal.array);\n        vec3.scale(this.normal.array, invLen);\n        this.distance *= invLen;\n    },\n\n    /**\n     * If the plane intersect a frustum\n     * @param  {clay.Frustum} Frustum\n     * @return {boolean}\n     */\n    intersectFrustum: function(frustum) {\n        // Check if all coords of frustum is on plane all under plane\n        var coords = frustum.vertices;\n        var normal = this.normal.array;\n        var onPlane = vec3.dot(coords[0].array, normal) > this.distance;\n        for (var i = 1; i < 8; i++) {\n            if ((vec3.dot(coords[i].array, normal) > this.distance) != onPlane) {\n                return true;\n            }\n        }\n    },\n\n    /**\n     * Calculate the intersection point between plane and a given line\n     * @function\n     * @param {clay.Vector3} start start point of line\n     * @param {clay.Vector3} end end point of line\n     * @param {clay.Vector3} [out]\n     * @return {clay.Vector3}\n     */\n    intersectLine: (function() {\n        var rd = vec3.create();\n        return function(start, end, out) {\n            var d0 = this.distanceToPoint(start);\n            var d1 = this.distanceToPoint(end);\n            if ((d0 > 0 && d1 > 0) || (d0 < 0 && d1 < 0)) {\n                return null;\n            }\n            // Ray intersection\n            var pn = this.normal.array;\n            var d = this.distance;\n            var ro = start.array;\n            // direction\n            vec3.sub(rd, end.array, start.array);\n            vec3.normalize(rd, rd);\n\n            var divider = vec3.dot(pn, rd);\n            // ray is parallel to the plane\n            if (divider === 0) {\n                return null;\n            }\n            if (!out) {\n                out = new Vector3();\n            }\n            var t = (vec3.dot(pn, ro) - d) / divider;\n            vec3.scaleAndAdd(out.array, ro, rd, -t);\n            out._dirty = true;\n            return out;\n        };\n    })(),\n\n    /**\n     * Apply an affine transform matrix to plane\n     * @function\n     * @return {clay.Matrix4}\n     */\n    applyTransform: (function() {\n        var inverseTranspose = mat4.create();\n        var normalv4 = vec4.create();\n        var pointv4 = vec4.create();\n        pointv4[3] = 1;\n        return function(m4) {\n            m4 = m4.array;\n            // Transform point on plane\n            vec3.scale(pointv4, this.normal.array, this.distance);\n            vec4.transformMat4(pointv4, pointv4, m4);\n            this.distance = vec3.dot(pointv4, this.normal.array);\n            // Transform plane normal\n            mat4.invert(inverseTranspose, m4);\n            mat4.transpose(inverseTranspose, inverseTranspose);\n            normalv4[3] = 0;\n            vec3.copy(normalv4, this.normal.array);\n            vec4.transformMat4(normalv4, normalv4, inverseTranspose);\n            vec3.copy(this.normal.array, normalv4);\n        };\n    })(),\n\n    /**\n     * Copy from another plane\n     * @param  {clay.Vector3} plane\n     */\n    copy: function(plane) {\n        vec3.copy(this.normal.array, plane.normal.array);\n        this.normal._dirty = true;\n        this.distance = plane.distance;\n    },\n\n    /**\n     * Clone a new plane\n     * @return {clay.Plane}\n     */\n    clone: function() {\n        var plane = new Plane();\n        plane.copy(this);\n        return plane;\n    }\n};\n\nexport default Plane;\n","import BoundingBox from './BoundingBox';\nimport Plane from './Plane';\n\nimport vec3 from '../glmatrix/vec3';\n\nvar vec3Set = vec3.set;\nvar vec3Copy = vec3.copy;\nvar vec3TranformMat4 = vec3.transformMat4;\nvar mathMin = Math.min;\nvar mathMax = Math.max;\n/**\n * @constructor\n * @alias clay.Frustum\n */\nvar Frustum = function() {\n\n    /**\n     * Eight planes to enclose the frustum\n     * @type {clay.Plane[]}\n     */\n    this.planes = [];\n\n    for (var i = 0; i < 6; i++) {\n        this.planes.push(new Plane());\n    }\n\n    /**\n     * Bounding box of frustum\n     * @type {clay.BoundingBox}\n     */\n    this.boundingBox = new BoundingBox();\n\n    /**\n     * Eight vertices of frustum\n     * @type {Float32Array[]}\n     */\n    this.vertices = [];\n    for (var i = 0; i < 8; i++) {\n        this.vertices[i] = vec3.fromValues(0, 0, 0);\n    }\n};\n\nFrustum.prototype = {\n\n    // http://web.archive.org/web/20120531231005/http://crazyjoke.free.fr/doc/3D/plane%20extraction.pdf\n    /**\n     * Set frustum from a projection matrix\n     * @param {clay.Matrix4} projectionMatrix\n     */\n    setFromProjection: function(projectionMatrix) {\n\n        var planes = this.planes;\n        var m = projectionMatrix.array;\n        var m0 = m[0], m1 = m[1], m2 = m[2], m3 = m[3];\n        var m4 = m[4], m5 = m[5], m6 = m[6], m7 = m[7];\n        var m8 = m[8], m9 = m[9], m10 = m[10], m11 = m[11];\n        var m12 = m[12], m13 = m[13], m14 = m[14], m15 = m[15];\n\n        // Update planes\n        vec3Set(planes[0].normal.array, m3 - m0, m7 - m4, m11 - m8);\n        planes[0].distance = -(m15 - m12);\n        planes[0].normalize();\n\n        vec3Set(planes[1].normal.array, m3 + m0, m7 + m4, m11 + m8);\n        planes[1].distance = -(m15 + m12);\n        planes[1].normalize();\n\n        vec3Set(planes[2].normal.array, m3 + m1, m7 + m5, m11 + m9);\n        planes[2].distance = -(m15 + m13);\n        planes[2].normalize();\n\n        vec3Set(planes[3].normal.array, m3 - m1, m7 - m5, m11 - m9);\n        planes[3].distance = -(m15 - m13);\n        planes[3].normalize();\n\n        vec3Set(planes[4].normal.array, m3 - m2, m7 - m6, m11 - m10);\n        planes[4].distance = -(m15 - m14);\n        planes[4].normalize();\n\n        vec3Set(planes[5].normal.array, m3 + m2, m7 + m6, m11 + m10);\n        planes[5].distance = -(m15 + m14);\n        planes[5].normalize();\n\n        // Perspective projection\n        var boundingBox = this.boundingBox;\n        var vertices = this.vertices;\n        if (m15 === 0)  {\n            var aspect = m5 / m0;\n            var zNear = -m14 / (m10 - 1);\n            var zFar = -m14 / (m10 + 1);\n            var farY = -zFar / m5;\n            var nearY = -zNear / m5;\n            // Update bounding box\n            boundingBox.min.set(-farY * aspect, -farY, zFar);\n            boundingBox.max.set(farY * aspect, farY, zNear);\n            // update vertices\n            //--- min z\n            // min x\n            vec3Set(vertices[0], -farY * aspect, -farY, zFar);\n            vec3Set(vertices[1], -farY * aspect, farY, zFar);\n            // max x\n            vec3Set(vertices[2], farY * aspect, -farY, zFar);\n            vec3Set(vertices[3], farY * aspect, farY, zFar);\n            //-- max z\n            vec3Set(vertices[4], -nearY * aspect, -nearY, zNear);\n            vec3Set(vertices[5], -nearY * aspect, nearY, zNear);\n            vec3Set(vertices[6], nearY * aspect, -nearY, zNear);\n            vec3Set(vertices[7], nearY * aspect, nearY, zNear);\n        }\n        else { // Orthographic projection\n            var left = (-1 - m12) / m0;\n            var right = (1 - m12) / m0;\n            var top = (1 - m13) / m5;\n            var bottom = (-1 - m13) / m5;\n            var near = (-1 - m14) / m10;\n            var far = (1 - m14) / m10;\n\n\n            boundingBox.min.set(Math.min(left, right), Math.min(bottom, top), Math.min(far, near));\n            boundingBox.max.set(Math.max(right, left), Math.max(top, bottom), Math.max(near, far));\n\n            var min = boundingBox.min.array;\n            var max = boundingBox.max.array;\n            //--- min z\n            // min x\n            vec3Set(vertices[0], min[0], min[1], min[2]);\n            vec3Set(vertices[1], min[0], max[1], min[2]);\n            // max x\n            vec3Set(vertices[2], max[0], min[1], min[2]);\n            vec3Set(vertices[3], max[0], max[1], min[2]);\n            //-- max z\n            vec3Set(vertices[4], min[0], min[1], max[2]);\n            vec3Set(vertices[5], min[0], max[1], max[2]);\n            vec3Set(vertices[6], max[0], min[1], max[2]);\n            vec3Set(vertices[7], max[0], max[1], max[2]);\n        }\n    },\n\n    /**\n     * Apply a affine transform matrix and set to the given bounding box\n     * @function\n     * @param {clay.BoundingBox}\n     * @param {clay.Matrix4}\n     * @return {clay.BoundingBox}\n     */\n    getTransformedBoundingBox: (function() {\n\n        var tmpVec3 = vec3.create();\n\n        return function(bbox, matrix) {\n            var vertices = this.vertices;\n\n            var m4 = matrix.array;\n            var min = bbox.min;\n            var max = bbox.max;\n            var minArr = min.array;\n            var maxArr = max.array;\n            var v = vertices[0];\n            vec3TranformMat4(tmpVec3, v, m4);\n            vec3Copy(minArr, tmpVec3);\n            vec3Copy(maxArr, tmpVec3);\n\n            for (var i = 1; i < 8; i++) {\n                v = vertices[i];\n                vec3TranformMat4(tmpVec3, v, m4);\n\n                minArr[0] = mathMin(tmpVec3[0], minArr[0]);\n                minArr[1] = mathMin(tmpVec3[1], minArr[1]);\n                minArr[2] = mathMin(tmpVec3[2], minArr[2]);\n\n                maxArr[0] = mathMax(tmpVec3[0], maxArr[0]);\n                maxArr[1] = mathMax(tmpVec3[1], maxArr[1]);\n                maxArr[2] = mathMax(tmpVec3[2], maxArr[2]);\n            }\n\n            min._dirty = true;\n            max._dirty = true;\n\n            return bbox;\n        };\n    }) ()\n};\nexport default Frustum;\n","import Node from './Node';\nimport Matrix4 from './math/Matrix4';\nimport Frustum from './math/Frustum';\nimport Ray from './math/Ray';\n\nimport vec4 from './glmatrix/vec4';\nimport vec3 from './glmatrix/vec3';\n\n\n/**\n * @constructor clay.Camera\n * @extends clay.Node\n */\nvar Camera = Node.extend(function () {\n    return /** @lends clay.Camera# */ {\n        /**\n         * Camera projection matrix\n         * @type {clay.Matrix4}\n         */\n        projectionMatrix: new Matrix4(),\n\n        /**\n         * Inverse of camera projection matrix\n         * @type {clay.Matrix4}\n         */\n        invProjectionMatrix: new Matrix4(),\n\n        /**\n         * View matrix, equal to inverse of camera's world matrix\n         * @type {clay.Matrix4}\n         */\n        viewMatrix: new Matrix4(),\n\n        /**\n         * Camera frustum in view space\n         * @type {clay.Frustum}\n         */\n        frustum: new Frustum()\n    };\n}, function () {\n    this.update(true);\n},\n/** @lends clay.Camera.prototype */\n{\n\n    update: function (force) {\n        Node.prototype.update.call(this, force);\n        Matrix4.invert(this.viewMatrix, this.worldTransform);\n\n        this.updateProjectionMatrix();\n        Matrix4.invert(this.invProjectionMatrix, this.projectionMatrix);\n\n        this.frustum.setFromProjection(this.projectionMatrix);\n    },\n\n    /**\n     * Set camera view matrix\n     */\n    setViewMatrix: function (viewMatrix) {\n        Matrix4.copy(this.viewMatrix, viewMatrix);\n        Matrix4.invert(this.worldTransform, viewMatrix);\n        this.decomposeWorldTransform();\n    },\n\n    /**\n     * Decompose camera projection matrix\n     */\n    decomposeProjectionMatrix: function () {},\n\n    /**\n     * Set camera projection matrix\n     * @param {clay.Matrix4} projectionMatrix\n     */\n    setProjectionMatrix: function (projectionMatrix) {\n        Matrix4.copy(this.projectionMatrix, projectionMatrix);\n        Matrix4.invert(this.invProjectionMatrix, projectionMatrix);\n        this.decomposeProjectionMatrix();\n    },\n    /**\n     * Update projection matrix, called after update\n     */\n    updateProjectionMatrix: function () {},\n\n    /**\n     * Cast a picking ray from camera near plane to far plane\n     * @function\n     * @param {clay.Vector2} ndc\n     * @param {clay.Ray} [out]\n     * @return {clay.Ray}\n     */\n    castRay: (function () {\n        var v4 = vec4.create();\n        return function (ndc, out) {\n            var ray = out !== undefined ? out : new Ray();\n            var x = ndc.array[0];\n            var y = ndc.array[1];\n            vec4.set(v4, x, y, -1, 1);\n            vec4.transformMat4(v4, v4, this.invProjectionMatrix.array);\n            vec4.transformMat4(v4, v4, this.worldTransform.array);\n            vec3.scale(ray.origin.array, v4, 1 / v4[3]);\n\n            vec4.set(v4, x, y, 1, 1);\n            vec4.transformMat4(v4, v4, this.invProjectionMatrix.array);\n            vec4.transformMat4(v4, v4, this.worldTransform.array);\n            vec3.scale(v4, v4, 1 / v4[3]);\n            vec3.sub(ray.direction.array, v4, ray.origin.array);\n\n            vec3.normalize(ray.direction.array, ray.direction.array);\n            ray.direction._dirty = true;\n            ray.origin._dirty = true;\n\n            return ray;\n        };\n    })(),\n\n    /**\n     * @function\n     * @name clone\n     * @return {clay.Camera}\n     * @memberOf clay.Camera.prototype\n     */\n});\n\nexport default Camera;\n","import Node from './Node';\nimport Light from './Light';\nimport Camera from './Camera';\nimport BoundingBox from './math/BoundingBox';\nimport util from './core/util';\nimport mat4 from './glmatrix/mat4';\nimport LRUCache from './core/LRU';\nimport Matrix4 from './math/Matrix4';\n\nvar IDENTITY = mat4.create();\nvar WORLDVIEW = mat4.create();\n\nvar programKeyCache = {};\n\nfunction getProgramKey(lightNumbers) {\n    var defineStr = [];\n    var lightTypes = Object.keys(lightNumbers);\n    lightTypes.sort();\n    for (var i = 0; i < lightTypes.length; i++) {\n        var lightType = lightTypes[i];\n        defineStr.push(lightType + ' ' + lightNumbers[lightType]);\n    }\n    var key = defineStr.join('\\n');\n\n    if (programKeyCache[key]) {\n        return programKeyCache[key];\n    }\n\n    var id = util.genGUID();\n    programKeyCache[key] = id;\n    return id;\n}\n\nfunction RenderList() {\n\n    this.opaque = [];\n    this.transparent = [];\n\n    this._opaqueCount = 0;\n    this._transparentCount = 0;\n}\n\nRenderList.prototype.startCount = function () {\n    this._opaqueCount = 0;\n    this._transparentCount = 0;\n};\n\nRenderList.prototype.add = function (object, isTransparent) {\n    if (isTransparent) {\n        this.transparent[this._transparentCount++] = object;\n    }\n    else {\n        this.opaque[this._opaqueCount++] = object;\n    }\n};\n\nRenderList.prototype.endCount = function () {\n    this.transparent.length = this._transparentCount;\n    this.opaque.length = this._opaqueCount;\n};\n\n/**\n * @typedef {Object} clay.Scene.RenderList\n * @property {Array.<clay.Renderable>} opaque\n * @property {Array.<clay.Renderable>} transparent\n */\n\n/**\n * @constructor clay.Scene\n * @extends clay.Node\n */\nvar Scene = Node.extend(function () {\n    return /** @lends clay.Scene# */ {\n        /**\n         * Global material of scene\n         * @type {clay.Material}\n         */\n        material: null,\n\n        lights: [],\n\n        /**\n         * Scene bounding box in view space.\n         * Used when camera needs to adujst the near and far plane automatically\n         * so that the view frustum contains the visible objects as tightly as possible.\n         * Notice:\n         *  It is updated after rendering (in the step of frustum culling passingly). So may be not so accurate, but saves a lot of calculation\n         *\n         * @type {clay.BoundingBox}\n         */\n        viewBoundingBoxLastFrame: new BoundingBox(),\n\n        // Uniforms for shadow map.\n        shadowUniforms: {},\n\n        _cameraList: [],\n\n        // Properties to save the light information in the scene\n        // Will be set in the render function\n        _lightUniforms: {},\n\n        _previousLightNumber: {},\n\n        _lightNumber: {\n            // groupId: {\n                // POINT_LIGHT: 0,\n                // DIRECTIONAL_LIGHT: 0,\n                // SPOT_LIGHT: 0,\n                // AMBIENT_LIGHT: 0,\n                // AMBIENT_SH_LIGHT: 0\n            // }\n        },\n\n        _lightProgramKeys: {},\n\n        _nodeRepository: {},\n\n        _renderLists: new LRUCache(20)\n\n    };\n}, function () {\n    this._scene = this;\n},\n/** @lends clay.Scene.prototype. */\n{\n\n    // Add node to scene\n    addToScene: function (node) {\n        if (node instanceof Camera) {\n            if (this._cameraList.length > 0) {\n                console.warn('Found multiple camera in one scene. Use the fist one.');\n            }\n            this._cameraList.push(node);\n        }\n        else if (node instanceof Light) {\n            this.lights.push(node);\n        }\n        if (node.name) {\n            this._nodeRepository[node.name] = node;\n        }\n    },\n\n    // Remove node from scene\n    removeFromScene: function (node) {\n        var idx;\n        if (node instanceof Camera) {\n            idx = this._cameraList.indexOf(node);\n            if (idx >= 0) {\n                this._cameraList.splice(idx, 1);\n            }\n        }\n        else if (node instanceof Light) {\n            idx = this.lights.indexOf(node);\n            if (idx >= 0) {\n                this.lights.splice(idx, 1);\n            }\n        }\n        if (node.name) {\n            delete this._nodeRepository[node.name];\n        }\n    },\n\n    /**\n     * Get node by name\n     * @param  {string} name\n     * @return {Node}\n     * @DEPRECATED\n     */\n    getNode: function (name) {\n        return this._nodeRepository[name];\n    },\n\n    /**\n     * Set main camera of the scene.\n     * @param {claygl.Camera} camera\n     */\n    setMainCamera: function (camera) {\n        var idx = this._cameraList.indexOf(camera);\n        if (idx >= 0) {\n            this._cameraList.splice(idx, 1);\n        }\n        this._cameraList.unshift(camera);\n    },\n    /**\n     * Get main camera of the scene.\n     */\n    getMainCamera: function () {\n        return this._cameraList[0];\n    },\n\n    getLights: function () {\n        return this.lights;\n    },\n\n    updateLights: function () {\n        var lights = this.lights;\n        this._previousLightNumber = this._lightNumber;\n\n        var lightNumber = {};\n        for (var i = 0; i < lights.length; i++) {\n            var light = lights[i];\n            if (light.invisible) {\n                continue;\n            }\n            var group = light.group;\n            if (!lightNumber[group]) {\n                lightNumber[group] = {};\n            }\n            // User can use any type of light\n            lightNumber[group][light.type] = lightNumber[group][light.type] || 0;\n            lightNumber[group][light.type]++;\n        }\n        this._lightNumber = lightNumber;\n\n        for (var groupId in lightNumber) {\n            this._lightProgramKeys[groupId] = getProgramKey(lightNumber[groupId]);\n        }\n\n        this._updateLightUniforms();\n    },\n\n    /**\n     * Clone a node and it's children, including mesh, camera, light, etc.\n     * Unlike using `Node#clone`. It will clone skeleton and remap the joints. Material will also be cloned.\n     *\n     * @param {clay.Node} node\n     * @return {clay.Node}\n     */\n    cloneNode: function (node) {\n        var newNode = node.clone();\n        var clonedNodesMap = {};\n        function buildNodesMap(sNode, tNode) {\n            clonedNodesMap[sNode.__uid__] = tNode;\n\n            for (var i = 0; i < sNode._children.length; i++) {\n                var sChild = sNode._children[i];\n                var tChild = tNode._children[i];\n                buildNodesMap(sChild, tChild);\n            }\n        }\n        buildNodesMap(node, newNode);\n\n        newNode.traverse(function (newChild) {\n            if (newChild.skeleton) {\n                newChild.skeleton = newChild.skeleton.clone(clonedNodesMap);\n            }\n            if (newChild.material) {\n                newChild.material = newChild.material.clone();\n            }\n        });\n\n        return newNode;\n    },\n\n    /**\n     * Traverse the scene and add the renderable object to the render list.\n     * It needs camera for the frustum culling.\n     *\n     * @param {clay.Camera} camera\n     * @param {boolean} updateSceneBoundingBox\n     * @return {clay.Scene.RenderList}\n     */\n    updateRenderList: function (camera, updateSceneBoundingBox) {\n        var id = camera.__uid__;\n        var renderList = this._renderLists.get(id);\n        if (!renderList) {\n            renderList = new RenderList();\n            this._renderLists.put(id, renderList);\n        }\n        renderList.startCount();\n\n        if (updateSceneBoundingBox) {\n            this.viewBoundingBoxLastFrame.min.set(Infinity, Infinity, Infinity);\n            this.viewBoundingBoxLastFrame.max.set(-Infinity, -Infinity, -Infinity);\n        }\n\n        var sceneMaterialTransparent = this.material && this.material.transparent || false;\n        this._doUpdateRenderList(this, camera, sceneMaterialTransparent, renderList, updateSceneBoundingBox);\n\n        renderList.endCount();\n\n        return renderList;\n    },\n\n    /**\n     * Get render list. Used after {@link clay.Scene#updateRenderList}\n     * @param {clay.Camera} camera\n     * @return {clay.Scene.RenderList}\n     */\n    getRenderList: function (camera) {\n        return this._renderLists.get(camera.__uid__);\n    },\n\n    _doUpdateRenderList: function (parent, camera, sceneMaterialTransparent, renderList, updateSceneBoundingBox) {\n        if (parent.invisible) {\n            return;\n        }\n        // TODO Optimize\n        for (var i = 0; i < parent._children.length; i++) {\n            var child = parent._children[i];\n\n            if (child.isRenderable()) {\n                // Frustum culling\n                var worldM = child.isSkinnedMesh() ? IDENTITY : child.worldTransform.array;\n                var geometry = child.geometry;\n\n                mat4.multiplyAffine(WORLDVIEW, camera.viewMatrix.array, worldM);\n                if (updateSceneBoundingBox && !geometry.boundingBox || !this.isFrustumCulled(child, camera, WORLDVIEW)) {\n                    renderList.add(child, child.material.transparent || sceneMaterialTransparent);\n                }\n            }\n            if (child._children.length > 0) {\n                this._doUpdateRenderList(child, camera, sceneMaterialTransparent, renderList, updateSceneBoundingBox);\n            }\n        }\n    },\n\n    /**\n     * If an scene object is culled by camera frustum\n     *\n     * Object can be a renderable or a light\n     *\n     * @param {clay.Node} object\n     * @param {clay.Camera} camera\n     * @param {Array.<number>} worldViewMat represented with array\n     * @param {Array.<number>} projectionMat represented with array\n     */\n    isFrustumCulled: (function () {\n        // Frustum culling\n        // http://www.cse.chalmers.se/~uffe/vfc_bbox.pdf\n        var cullingBoundingBox = new BoundingBox();\n        var cullingMatrix = new Matrix4();\n        return function(object, camera, worldViewMat) {\n            // Bounding box can be a property of object(like light) or renderable.geometry\n            // PENDING\n            var geoBBox = object.boundingBox;\n            if (!geoBBox) {\n                if (object.skeleton && object.skeleton.boundingBox) {\n                    geoBBox = object.skeleton.boundingBox;\n                }\n                else {\n                    geoBBox = object.geometry.boundingBox;\n                }\n            }\n\n            if (!geoBBox) {\n                return false;\n            }\n\n            cullingMatrix.array = worldViewMat;\n            cullingBoundingBox.transformFrom(geoBBox, cullingMatrix);\n\n            // Passingly update the scene bounding box\n            // FIXME exclude very large mesh like ground plane or terrain ?\n            // FIXME Only rendererable which cast shadow ?\n\n            // FIXME boundingBox becomes much larger after transformd.\n            if (object.castShadow) {\n                this.viewBoundingBoxLastFrame.union(cullingBoundingBox);\n            }\n            // Ignore frustum culling if object is skinned mesh.\n            if (object.frustumCulling)  {\n                if (!cullingBoundingBox.intersectBoundingBox(camera.frustum.boundingBox)) {\n                    return true;\n                }\n\n                cullingMatrix.array = camera.projectionMatrix.array;\n                if (\n                    cullingBoundingBox.max.array[2] > 0 &&\n                    cullingBoundingBox.min.array[2] < 0\n                ) {\n                    // Clip in the near plane\n                    cullingBoundingBox.max.array[2] = -1e-20;\n                }\n\n                cullingBoundingBox.applyProjection(cullingMatrix);\n\n                var min = cullingBoundingBox.min.array;\n                var max = cullingBoundingBox.max.array;\n\n                if (\n                    max[0] < -1 || min[0] > 1\n                    || max[1] < -1 || min[1] > 1\n                    || max[2] < -1 || min[2] > 1\n                ) {\n                    return true;\n                }\n            }\n\n            return false;\n        };\n    })(),\n\n    _updateLightUniforms: function () {\n        var lights = this.lights;\n        // Put the light cast shadow before the light not cast shadow\n        lights.sort(lightSortFunc);\n\n        var lightUniforms = this._lightUniforms;\n        for (var group in lightUniforms) {\n            for (var symbol in lightUniforms[group]) {\n                lightUniforms[group][symbol].value.length = 0;\n            }\n        }\n        for (var i = 0; i < lights.length; i++) {\n\n            var light = lights[i];\n\n            if (light.invisible) {\n                continue;\n            }\n\n            var group = light.group;\n\n            for (var symbol in light.uniformTemplates) {\n                var uniformTpl = light.uniformTemplates[symbol];\n                var value = uniformTpl.value(light);\n                if (value == null) {\n                    continue;\n                }\n                if (!lightUniforms[group]) {\n                    lightUniforms[group] = {};\n                }\n                if (!lightUniforms[group][symbol]) {\n                    lightUniforms[group][symbol] = {\n                        type: '',\n                        value: []\n                    };\n                }\n                var lu = lightUniforms[group][symbol];\n                lu.type = uniformTpl.type + 'v';\n                switch (uniformTpl.type) {\n                    case '1i':\n                    case '1f':\n                    case 't':\n                        lu.value.push(value);\n                        break;\n                    case '2f':\n                    case '3f':\n                    case '4f':\n                        for (var j = 0; j < value.length; j++) {\n                            lu.value.push(value[j]);\n                        }\n                        break;\n                    default:\n                        console.error('Unkown light uniform type ' + uniformTpl.type);\n                }\n            }\n        }\n    },\n\n    getLightGroups: function () {\n        var lightGroups = [];\n        for (var groupId in this._lightNumber) {\n            lightGroups.push(groupId);\n        }\n        return lightGroups;\n    },\n\n    getNumberChangedLightGroups: function () {\n        var lightGroups = [];\n        for (var groupId in this._lightNumber) {\n            if (this.isLightNumberChanged(groupId)) {\n                lightGroups.push(groupId);\n            }\n        }\n        return lightGroups;\n    },\n\n    // Determine if light group is different with since last frame\n    // Used to determine whether to update shader and scene's uniforms in Renderer.render\n    isLightNumberChanged: function (lightGroup) {\n        var prevLightNumber = this._previousLightNumber;\n        var currentLightNumber = this._lightNumber;\n        // PENDING Performance\n        for (var type in currentLightNumber[lightGroup]) {\n            if (!prevLightNumber[lightGroup]) {\n                return true;\n            }\n            if (currentLightNumber[lightGroup][type] !== prevLightNumber[lightGroup][type]) {\n                return true;\n            }\n        }\n        for (var type in prevLightNumber[lightGroup]) {\n            if (!currentLightNumber[lightGroup]) {\n                return true;\n            }\n            if (currentLightNumber[lightGroup][type] !== prevLightNumber[lightGroup][type]) {\n                return true;\n            }\n        }\n        return false;\n    },\n\n    getLightsNumbers: function (lightGroup) {\n        return this._lightNumber[lightGroup];\n    },\n\n    getProgramKey: function (lightGroup) {\n        return this._lightProgramKeys[lightGroup];\n    },\n\n    setLightUniforms: (function () {\n        function setUniforms(uniforms, program, renderer) {\n            for (var symbol in uniforms) {\n                var lu = uniforms[symbol];\n                if (lu.type === 'tv') {\n                    if (!program.hasUniform(symbol)) {\n                        continue;\n                    }\n                    var texSlots = [];\n                    for (var i = 0; i < lu.value.length; i++) {\n                        var texture = lu.value[i];\n                        var slot = program.takeCurrentTextureSlot(renderer, texture);\n                        texSlots.push(slot);\n                    }\n                    program.setUniform(renderer.gl, '1iv', symbol, texSlots);\n                }\n                else {\n                    program.setUniform(renderer.gl, lu.type, symbol, lu.value);\n                }\n            }\n        }\n\n        return function (program, lightGroup, renderer) {\n            setUniforms(this._lightUniforms[lightGroup], program, renderer);\n            // Set shadows\n            setUniforms(this.shadowUniforms, program, renderer);\n        };\n    })(),\n\n    /**\n     * Dispose self, clear all the scene objects\n     * But resources of gl like texuture, shader will not be disposed.\n     * Mostly you should use disposeScene method in Renderer to do dispose.\n     */\n    dispose: function () {\n        this.material = null;\n        this._opaqueList = [];\n        this._transparentList = [];\n\n        this.lights = [];\n\n        this._lightUniforms = {};\n\n        this._lightNumber = {};\n        this._nodeRepository = {};\n    }\n});\n\nfunction lightSortFunc(a, b) {\n    if (b.castShadow && !a.castShadow) {\n        return true;\n    }\n}\n\nexport default Scene;\n","import Texture from './Texture';\nimport glenum from './core/glenum';\nimport util from './core/util';\nimport mathUtil from './math/util';\nimport vendor from './core/vendor';\nvar isPowerOfTwo = mathUtil.isPowerOfTwo;\n\nvar targetList = ['px', 'nx', 'py', 'ny', 'pz', 'nz'];\n\n/**\n * @constructor clay.TextureCube\n * @extends clay.Texture\n *\n * @example\n *     ...\n *     var mat = new clay.Material({\n *         shader: clay.shader.library.get('clay.phong', 'environmentMap')\n *     });\n *     var envMap = new clay.TextureCube();\n *     envMap.load({\n *         'px': 'assets/textures/sky/px.jpg',\n *         'nx': 'assets/textures/sky/nx.jpg'\n *         'py': 'assets/textures/sky/py.jpg'\n *         'ny': 'assets/textures/sky/ny.jpg'\n *         'pz': 'assets/textures/sky/pz.jpg'\n *         'nz': 'assets/textures/sky/nz.jpg'\n *     });\n *     mat.set('environmentMap', envMap);\n *     ...\n *     envMap.success(function () {\n *         // Wait for the sky texture loaded\n *         animation.on('frame', function (frameTime) {\n *             renderer.render(scene, camera);\n *         });\n *     });\n */\nvar TextureCube = Texture.extend(function () {\n    return /** @lends clay.TextureCube# */{\n\n        /**\n         * @type {boolean}\n         * @default false\n         */\n        // PENDING cubemap should not flipY in default.\n        // flipY: false,\n\n        /**\n         * @type {Object}\n         * @property {?HTMLImageElement|HTMLCanvasElemnet} px\n         * @property {?HTMLImageElement|HTMLCanvasElemnet} nx\n         * @property {?HTMLImageElement|HTMLCanvasElemnet} py\n         * @property {?HTMLImageElement|HTMLCanvasElemnet} ny\n         * @property {?HTMLImageElement|HTMLCanvasElemnet} pz\n         * @property {?HTMLImageElement|HTMLCanvasElemnet} nz\n         */\n        image: {\n            px: null,\n            nx: null,\n            py: null,\n            ny: null,\n            pz: null,\n            nz: null\n        },\n        /**\n         * Pixels data of each side. Will be ignored if images are set.\n         * @type {Object}\n         * @property {?Uint8Array} px\n         * @property {?Uint8Array} nx\n         * @property {?Uint8Array} py\n         * @property {?Uint8Array} ny\n         * @property {?Uint8Array} pz\n         * @property {?Uint8Array} nz\n         */\n        pixels: {\n            px: null,\n            nx: null,\n            py: null,\n            ny: null,\n            pz: null,\n            nz: null\n        },\n\n        /**\n         * @type {Array.<Object>}\n         */\n        mipmaps: []\n    };\n}, {\n\n    textureType: 'textureCube',\n\n    update: function (renderer) {\n        var _gl = renderer.gl;\n        _gl.bindTexture(_gl.TEXTURE_CUBE_MAP, this._cache.get('webgl_texture'));\n\n        this.updateCommon(renderer);\n\n        var glFormat = this.format;\n        var glType = this.type;\n\n        _gl.texParameteri(_gl.TEXTURE_CUBE_MAP, _gl.TEXTURE_WRAP_S, this.getAvailableWrapS());\n        _gl.texParameteri(_gl.TEXTURE_CUBE_MAP, _gl.TEXTURE_WRAP_T, this.getAvailableWrapT());\n\n        _gl.texParameteri(_gl.TEXTURE_CUBE_MAP, _gl.TEXTURE_MAG_FILTER, this.getAvailableMagFilter());\n        _gl.texParameteri(_gl.TEXTURE_CUBE_MAP, _gl.TEXTURE_MIN_FILTER, this.getAvailableMinFilter());\n\n        var anisotropicExt = renderer.getGLExtension('EXT_texture_filter_anisotropic');\n        if (anisotropicExt && this.anisotropic > 1) {\n            _gl.texParameterf(_gl.TEXTURE_CUBE_MAP, anisotropicExt.TEXTURE_MAX_ANISOTROPY_EXT, this.anisotropic);\n        }\n\n        // Fallback to float type if browser don't have half float extension\n        if (glType === 36193) {\n            var halfFloatExt = renderer.getGLExtension('OES_texture_half_float');\n            if (!halfFloatExt) {\n                glType = glenum.FLOAT;\n            }\n        }\n\n        if (this.mipmaps.length) {\n            var width = this.width;\n            var height = this.height;\n            for (var i = 0; i < this.mipmaps.length; i++) {\n                var mipmap = this.mipmaps[i];\n                this._updateTextureData(_gl, mipmap, i, width, height, glFormat, glType);\n                width /= 2;\n                height /= 2;\n            }\n        }\n        else {\n            this._updateTextureData(_gl, this, 0, this.width, this.height, glFormat, glType);\n\n            if (!this.NPOT && this.useMipmap) {\n                _gl.generateMipmap(_gl.TEXTURE_CUBE_MAP);\n            }\n        }\n\n        _gl.bindTexture(_gl.TEXTURE_CUBE_MAP, null);\n    },\n\n    _updateTextureData: function (_gl, data, level, width, height, glFormat, glType) {\n        for (var i = 0; i < 6; i++) {\n            var target = targetList[i];\n            var img = data.image && data.image[target];\n            if (img) {\n                _gl.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, level, glFormat, glFormat, glType, img);\n            }\n            else {\n                _gl.texImage2D(_gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, level, glFormat, width, height, 0, glFormat, glType, data.pixels && data.pixels[target]);\n            }\n        }\n    },\n\n    /**\n     * @param  {clay.Renderer} renderer\n     * @memberOf clay.TextureCube.prototype\n     */\n    generateMipmap: function (renderer) {\n        var _gl = renderer.gl;\n        if (this.useMipmap && !this.NPOT) {\n            _gl.bindTexture(_gl.TEXTURE_CUBE_MAP, this._cache.get('webgl_texture'));\n            _gl.generateMipmap(_gl.TEXTURE_CUBE_MAP);\n        }\n    },\n\n    bind: function (renderer) {\n        renderer.gl.bindTexture(renderer.gl.TEXTURE_CUBE_MAP, this.getWebGLTexture(renderer));\n    },\n\n    unbind: function (renderer) {\n        renderer.gl.bindTexture(renderer.gl.TEXTURE_CUBE_MAP, null);\n    },\n\n    // Overwrite the isPowerOfTwo method\n    isPowerOfTwo: function () {\n        if (this.image.px) {\n            return isPowerOfTwo(this.image.px.width)\n                && isPowerOfTwo(this.image.px.height);\n        }\n        else {\n            return isPowerOfTwo(this.width)\n                && isPowerOfTwo(this.height);\n        }\n    },\n\n    isRenderable: function () {\n        if (this.image.px) {\n            return isImageRenderable(this.image.px)\n                && isImageRenderable(this.image.nx)\n                && isImageRenderable(this.image.py)\n                && isImageRenderable(this.image.ny)\n                && isImageRenderable(this.image.pz)\n                && isImageRenderable(this.image.nz);\n        }\n        else {\n            return !!(this.width && this.height);\n        }\n    },\n\n    load: function (imageList, crossOrigin) {\n        var loading = 0;\n        var self = this;\n        util.each(imageList, function (src, target){\n            var image = vendor.createImage();\n            if (crossOrigin) {\n                image.crossOrigin = crossOrigin;\n            }\n            image.onload = function () {\n                loading --;\n                if (loading === 0){\n                    self.dirty();\n                    self.trigger('success', self);\n                }\n            };\n            image.onerror = function () {\n                loading --;\n            };\n\n            loading++;\n            image.src = src;\n            self.image[target] = image;\n        });\n\n        return this;\n    }\n});\n\nObject.defineProperty(TextureCube.prototype, 'width', {\n    get: function () {\n        if (this.image && this.image.px) {\n            return this.image.px.width;\n        }\n        return this._width;\n    },\n    set: function (value) {\n        if (this.image && this.image.px) {\n            console.warn('Texture from image can\\'t set width');\n        }\n        else {\n            if (this._width !== value) {\n                this.dirty();\n            }\n            this._width = value;\n        }\n    }\n});\nObject.defineProperty(TextureCube.prototype, 'height', {\n    get: function () {\n        if (this.image && this.image.px) {\n            return this.image.px.height;\n        }\n        return this._height;\n    },\n    set: function (value) {\n        if (this.image && this.image.px) {\n            console.warn('Texture from image can\\'t set height');\n        }\n        else {\n            if (this._height !== value) {\n                this.dirty();\n            }\n            this._height = value;\n        }\n    }\n});\nfunction isImageRenderable(image) {\n    return image.width > 0 && image.height > 0;\n}\n\nexport default TextureCube;\n","import Camera from '../Camera';\n\n/**\n * @constructor clay.camera.Perspective\n * @extends clay.Camera\n */\nvar Perspective = Camera.extend(/** @lends clay.camera.Perspective# */{\n    /**\n     * Vertical field of view in degrees\n     * @type {number}\n     */\n    fov: 50,\n    /**\n     * Aspect ratio, typically viewport width / height\n     * @type {number}\n     */\n    aspect: 1,\n    /**\n     * Near bound of the frustum\n     * @type {number}\n     */\n    near: 0.1,\n    /**\n     * Far bound of the frustum\n     * @type {number}\n     */\n    far: 2000\n},\n/** @lends clay.camera.Perspective.prototype */\n{\n\n    updateProjectionMatrix: function() {\n        var rad = this.fov / 180 * Math.PI;\n        this.projectionMatrix.perspective(rad, this.aspect, this.near, this.far);\n    },\n    decomposeProjectionMatrix: function () {\n        var m = this.projectionMatrix.array;\n        var rad = Math.atan(1 / m[5]) * 2;\n        this.fov = rad / Math.PI * 180;\n        this.aspect = m[5] / m[0];\n        this.near = m[14] / (m[10] - 1);\n        this.far = m[14] / (m[10] + 1);\n    },\n    /**\n     * @return {clay.camera.Perspective}\n     */\n    clone: function() {\n        var camera = Camera.prototype.clone.call(this);\n        camera.fov = this.fov;\n        camera.aspect = this.aspect;\n        camera.near = this.near;\n        camera.far = this.far;\n\n        return camera;\n    }\n});\n\nexport default Perspective;\n","import Base from './core/Base';\nimport Texture from './Texture';\nimport TextureCube from './TextureCube';\nimport glenum from './core/glenum';\nimport Cache from './core/Cache';\n\nvar KEY_FRAMEBUFFER = 'framebuffer';\nvar KEY_RENDERBUFFER = 'renderbuffer';\nvar KEY_RENDERBUFFER_WIDTH = KEY_RENDERBUFFER + '_width';\nvar KEY_RENDERBUFFER_HEIGHT = KEY_RENDERBUFFER + '_height';\nvar KEY_RENDERBUFFER_ATTACHED = KEY_RENDERBUFFER + '_attached';\nvar KEY_DEPTHTEXTURE_ATTACHED = 'depthtexture_attached';\n\nvar GL_FRAMEBUFFER = glenum.FRAMEBUFFER;\nvar GL_RENDERBUFFER = glenum.RENDERBUFFER;\nvar GL_DEPTH_ATTACHMENT = glenum.DEPTH_ATTACHMENT;\nvar GL_COLOR_ATTACHMENT0 = glenum.COLOR_ATTACHMENT0;\n/**\n * @constructor clay.FrameBuffer\n * @extends clay.core.Base\n */\nvar FrameBuffer = Base.extend(\n/** @lends clay.FrameBuffer# */\n{\n    /**\n     * If use depth buffer\n     * @type {boolean}\n     */\n    depthBuffer: true,\n\n    /**\n     * @type {Object}\n     */\n    viewport: null,\n\n    _width: 0,\n    _height: 0,\n\n    _textures: null,\n\n    _boundRenderer: null,\n}, function () {\n    // Use cache\n    this._cache = new Cache();\n\n    this._textures = {};\n},\n\n/**@lends clay.FrameBuffer.prototype. */\n{\n    /**\n     * Get attached texture width\n     * {number}\n     */\n    // FIXME Can't use before #bind\n    getTextureWidth: function () {\n        return this._width;\n    },\n\n    /**\n     * Get attached texture height\n     * {number}\n     */\n    getTextureHeight: function () {\n        return this._height;\n    },\n\n    /**\n     * Bind the framebuffer to given renderer before rendering\n     * @param  {clay.Renderer} renderer\n     */\n    bind: function (renderer) {\n\n        if (renderer.__currentFrameBuffer) {\n            // Already bound\n            if (renderer.__currentFrameBuffer === this) {\n                return;\n            }\n\n            console.warn('Renderer already bound with another framebuffer. Unbind it first');\n        }\n        renderer.__currentFrameBuffer = this;\n\n        var _gl = renderer.gl;\n\n        _gl.bindFramebuffer(GL_FRAMEBUFFER, this._getFrameBufferGL(renderer));\n        this._boundRenderer = renderer;\n        var cache = this._cache;\n\n        cache.put('viewport', renderer.viewport);\n\n        var hasTextureAttached = false;\n        var width;\n        var height;\n        for (var attachment in this._textures) {\n            hasTextureAttached = true;\n            var obj = this._textures[attachment];\n            if (obj) {\n                // TODO Do width, height checking, make sure size are same\n                width = obj.texture.width;\n                height = obj.texture.height;\n                // Attach textures\n                this._doAttach(renderer, obj.texture, attachment, obj.target);\n            }\n        }\n\n        this._width = width;\n        this._height = height;\n\n        if (!hasTextureAttached && this.depthBuffer) {\n            console.error('Must attach texture before bind, or renderbuffer may have incorrect width and height.')\n        }\n\n        if (this.viewport) {\n            renderer.setViewport(this.viewport);\n        }\n        else {\n            renderer.setViewport(0, 0, width, height, 1);\n        }\n\n        var attachedTextures = cache.get('attached_textures');\n        if (attachedTextures) {\n            for (var attachment in attachedTextures) {\n                if (!this._textures[attachment]) {\n                    var target = attachedTextures[attachment];\n                    this._doDetach(_gl, attachment, target);\n                }\n            }\n        }\n        if (!cache.get(KEY_DEPTHTEXTURE_ATTACHED) && this.depthBuffer) {\n            // Create a new render buffer\n            if (cache.miss(KEY_RENDERBUFFER)) {\n                cache.put(KEY_RENDERBUFFER, _gl.createRenderbuffer());\n            }\n            var renderbuffer = cache.get(KEY_RENDERBUFFER);\n\n            if (width !== cache.get(KEY_RENDERBUFFER_WIDTH)\n                    || height !== cache.get(KEY_RENDERBUFFER_HEIGHT)) {\n                _gl.bindRenderbuffer(GL_RENDERBUFFER, renderbuffer);\n                _gl.renderbufferStorage(GL_RENDERBUFFER, _gl.DEPTH_COMPONENT16, width, height);\n                cache.put(KEY_RENDERBUFFER_WIDTH, width);\n                cache.put(KEY_RENDERBUFFER_HEIGHT, height);\n                _gl.bindRenderbuffer(GL_RENDERBUFFER, null);\n            }\n            if (!cache.get(KEY_RENDERBUFFER_ATTACHED)) {\n                _gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, renderbuffer);\n                cache.put(KEY_RENDERBUFFER_ATTACHED, true);\n            }\n        }\n    },\n\n    /**\n     * Unbind the frame buffer after rendering\n     * @param  {clay.Renderer} renderer\n     */\n    unbind: function (renderer) {\n        // Remove status record on renderer\n        renderer.__currentFrameBuffer = null;\n\n        var _gl = renderer.gl;\n\n        _gl.bindFramebuffer(GL_FRAMEBUFFER, null);\n        this._boundRenderer = null;\n\n        this._cache.use(renderer.__uid__);\n        var viewport = this._cache.get('viewport');\n        // Reset viewport;\n        if (viewport) {\n            renderer.setViewport(viewport);\n        }\n\n        this.updateMipmap(renderer);\n    },\n\n    // Because the data of texture is changed over time,\n    // Here update the mipmaps of texture each time after rendered;\n    updateMipmap: function (renderer) {\n        var _gl = renderer.gl;\n        for (var attachment in this._textures) {\n            var obj = this._textures[attachment];\n            if (obj) {\n                var texture = obj.texture;\n                // FIXME some texture format can't generate mipmap\n                if (!texture.NPOT && texture.useMipmap\n                    && texture.minFilter === Texture.LINEAR_MIPMAP_LINEAR) {\n                    var target = texture.textureType === 'textureCube' ? glenum.TEXTURE_CUBE_MAP : glenum.TEXTURE_2D;\n                    _gl.bindTexture(target, texture.getWebGLTexture(renderer));\n                    _gl.generateMipmap(target);\n                    _gl.bindTexture(target, null);\n                }\n            }\n        }\n    },\n\n\n    // 0x8CD5, 36053, FRAMEBUFFER_COMPLETE\n    // 0x8CD6, 36054, FRAMEBUFFER_INCOMPLETE_ATTACHMENT\n    // 0x8CD7, 36055, FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT\n    // 0x8CD9, 36057, FRAMEBUFFER_INCOMPLETE_DIMENSIONS\n    // 0x8CDD, 36061, FRAMEBUFFER_UNSUPPORTED\n    checkStatus: function (_gl) {\n        return _gl.checkFramebufferStatus(GL_FRAMEBUFFER);\n    },\n\n    _getFrameBufferGL: function (renderer) {\n        var cache = this._cache;\n        cache.use(renderer.__uid__);\n\n        if (cache.miss(KEY_FRAMEBUFFER)) {\n            cache.put(KEY_FRAMEBUFFER, renderer.gl.createFramebuffer());\n        }\n\n        return cache.get(KEY_FRAMEBUFFER);\n    },\n\n    /**\n     * Attach a texture(RTT) to the framebuffer\n     * @param  {clay.Texture} texture\n     * @param  {number} [attachment=gl.COLOR_ATTACHMENT0]\n     * @param  {number} [target=gl.TEXTURE_2D]\n     */\n    attach: function (texture, attachment, target) {\n\n        if (!texture.width) {\n            throw new Error('The texture attached to color buffer is not a valid.');\n        }\n        // TODO width and height check\n\n        // If the depth_texture extension is enabled, developers\n        // Can attach a depth texture to the depth buffer\n        // http://blog.tojicode.com/2012/07/using-webgldepthtexture.html\n        attachment = attachment || GL_COLOR_ATTACHMENT0;\n        target = target || glenum.TEXTURE_2D;\n\n        var boundRenderer = this._boundRenderer;\n        var _gl = boundRenderer && boundRenderer.gl;\n        var attachedTextures;\n\n        if (_gl) {\n            var cache = this._cache;\n            cache.use(boundRenderer.__uid__);\n            attachedTextures = cache.get('attached_textures');\n        }\n\n        // Check if texture attached\n        var previous = this._textures[attachment];\n        if (previous && previous.target === target\n            && previous.texture === texture\n            && (attachedTextures && attachedTextures[attachment] != null)\n        ) {\n            return;\n        }\n\n        var canAttach = true;\n        if (boundRenderer) {\n            canAttach = this._doAttach(boundRenderer, texture, attachment, target);\n            // Set viewport again incase attached to different size textures.\n            if (!this.viewport) {\n                boundRenderer.setViewport(0, 0, texture.width, texture.height, 1);\n            }\n        }\n\n        if (canAttach) {\n            this._textures[attachment] = this._textures[attachment] || {};\n            this._textures[attachment].texture = texture;\n            this._textures[attachment].target = target;\n        }\n    },\n\n    _doAttach: function (renderer, texture, attachment, target) {\n        var _gl = renderer.gl;\n        // Make sure texture is always updated\n        // Because texture width or height may be changed and in this we can't be notified\n        // FIXME awkward;\n        var webglTexture = texture.getWebGLTexture(renderer);\n        // Assume cache has been used.\n        var attachedTextures = this._cache.get('attached_textures');\n        if (attachedTextures && attachedTextures[attachment]) {\n            var obj = attachedTextures[attachment];\n            // Check if texture and target not changed\n            if (obj.texture === texture && obj.target === target) {\n                return;\n            }\n        }\n        attachment = +attachment;\n\n        var canAttach = true;\n        if (attachment === GL_DEPTH_ATTACHMENT || attachment === glenum.DEPTH_STENCIL_ATTACHMENT) {\n            var extension = renderer.getGLExtension('WEBGL_depth_texture');\n\n            if (!extension) {\n                console.error('Depth texture is not supported by the browser');\n                canAttach = false;\n            }\n            if (texture.format !== glenum.DEPTH_COMPONENT\n                && texture.format !== glenum.DEPTH_STENCIL\n            ) {\n                console.error('The texture attached to depth buffer is not a valid.');\n                canAttach = false;\n            }\n\n            // Dispose render buffer created previous\n            if (canAttach) {\n                var renderbuffer = this._cache.get(KEY_RENDERBUFFER);\n                if (renderbuffer) {\n                    _gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, null);\n                    _gl.deleteRenderbuffer(renderbuffer);\n                    this._cache.put(KEY_RENDERBUFFER, false);\n                }\n\n                this._cache.put(KEY_RENDERBUFFER_ATTACHED, false);\n                this._cache.put(KEY_DEPTHTEXTURE_ATTACHED, true);\n            }\n        }\n\n        // Mipmap level can only be 0\n        _gl.framebufferTexture2D(GL_FRAMEBUFFER, attachment, target, webglTexture, 0);\n\n        if (!attachedTextures) {\n            attachedTextures = {};\n            this._cache.put('attached_textures', attachedTextures);\n        }\n        attachedTextures[attachment] = attachedTextures[attachment] || {};\n        attachedTextures[attachment].texture = texture;\n        attachedTextures[attachment].target = target;\n\n        return canAttach;\n    },\n\n    _doDetach: function (_gl, attachment, target) {\n        // Detach a texture from framebuffer\n        // https://github.com/KhronosGroup/WebGL/blob/master/conformance-suites/1.0.0/conformance/framebuffer-test.html#L145\n        _gl.framebufferTexture2D(GL_FRAMEBUFFER, attachment, target, null, 0);\n\n        // Assume cache has been used.\n        var attachedTextures = this._cache.get('attached_textures');\n        if (attachedTextures && attachedTextures[attachment]) {\n            attachedTextures[attachment] = null;\n        }\n\n        if (attachment === GL_DEPTH_ATTACHMENT || attachment === glenum.DEPTH_STENCIL_ATTACHMENT) {\n            this._cache.put(KEY_DEPTHTEXTURE_ATTACHED, false);\n        }\n    },\n\n    /**\n     * Detach a texture\n     * @param  {number} [attachment=gl.COLOR_ATTACHMENT0]\n     * @param  {number} [target=gl.TEXTURE_2D]\n     */\n    detach: function (attachment, target) {\n        // TODO depth extension check ?\n        this._textures[attachment] = null;\n        if (this._boundRenderer) {\n            var cache = this._cache;\n            cache.use(this._boundRenderer.__uid__);\n            this._doDetach(this._boundRenderer.gl, attachment, target);\n        }\n    },\n    /**\n     * Dispose\n     * @param  {WebGLRenderingContext} _gl\n     */\n    dispose: function (renderer) {\n\n        var _gl = renderer.gl;\n        var cache = this._cache;\n\n        cache.use(renderer.__uid__);\n\n        var renderBuffer = cache.get(KEY_RENDERBUFFER);\n        if (renderBuffer) {\n            _gl.deleteRenderbuffer(renderBuffer);\n        }\n        var frameBuffer = cache.get(KEY_FRAMEBUFFER);\n        if (frameBuffer) {\n            _gl.deleteFramebuffer(frameBuffer);\n        }\n        cache.deleteContext(renderer.__uid__);\n\n        // Clear cache for reusing\n        this._textures = {};\n\n    }\n});\n\nFrameBuffer.DEPTH_ATTACHMENT = GL_DEPTH_ATTACHMENT;\nFrameBuffer.COLOR_ATTACHMENT0 = GL_COLOR_ATTACHMENT0;\nFrameBuffer.STENCIL_ATTACHMENT = glenum.STENCIL_ATTACHMENT;\nFrameBuffer.DEPTH_STENCIL_ATTACHMENT = glenum.DEPTH_STENCIL_ATTACHMENT;\n\nexport default FrameBuffer;\n","import Base from '../core/Base';\nimport Vector3 from '../math/Vector3';\nimport PerspectiveCamera from '../camera/Perspective';\nimport FrameBuffer from '../FrameBuffer';\n\nvar targets = ['px', 'nx', 'py', 'ny', 'pz', 'nz'];\n\n/**\n * Pass rendering scene to a environment cube map\n *\n * @constructor clay.prePass.EnvironmentMap\n * @extends clay.core.Base\n * @example\n *     // Example of car reflection\n *     var envMap = new clay.TextureCube({\n *         width: 256,\n *         height: 256\n *     });\n *     var envPass = new clay.prePass.EnvironmentMap({\n *         position: car.position,\n *         texture: envMap\n *     });\n *     var carBody = car.getChildByName('body');\n *     carBody.material.enableTexture('environmentMap');\n *     carBody.material.set('environmentMap', envMap);\n *     ...\n *     animation.on('frame', function(frameTime) {\n *         envPass.render(renderer, scene);\n *         renderer.render(scene, camera);\n *     });\n */\nvar EnvironmentMapPass = Base.extend(function() {\n    var ret = /** @lends clay.prePass.EnvironmentMap# */ {\n        /**\n         * Camera position\n         * @type {clay.Vector3}\n         * @memberOf clay.prePass.EnvironmentMap#\n         */\n        position: new Vector3(),\n        /**\n         * Camera far plane\n         * @type {number}\n         * @memberOf clay.prePass.EnvironmentMap#\n         */\n        far: 1000,\n        /**\n         * Camera near plane\n         * @type {number}\n         * @memberOf clay.prePass.EnvironmentMap#\n         */\n        near: 0.1,\n        /**\n         * Environment cube map\n         * @type {clay.TextureCube}\n         * @memberOf clay.prePass.EnvironmentMap#\n         */\n        texture: null,\n\n        /**\n         * Used if you wan't have shadow in environment map\n         * @type {clay.prePass.ShadowMap}\n         */\n        shadowMapPass: null,\n    };\n    var cameras = ret._cameras = {\n        px: new PerspectiveCamera({ fov: 90 }),\n        nx: new PerspectiveCamera({ fov: 90 }),\n        py: new PerspectiveCamera({ fov: 90 }),\n        ny: new PerspectiveCamera({ fov: 90 }),\n        pz: new PerspectiveCamera({ fov: 90 }),\n        nz: new PerspectiveCamera({ fov: 90 })\n    };\n    cameras.px.lookAt(Vector3.POSITIVE_X, Vector3.NEGATIVE_Y);\n    cameras.nx.lookAt(Vector3.NEGATIVE_X, Vector3.NEGATIVE_Y);\n    cameras.py.lookAt(Vector3.POSITIVE_Y, Vector3.POSITIVE_Z);\n    cameras.ny.lookAt(Vector3.NEGATIVE_Y, Vector3.NEGATIVE_Z);\n    cameras.pz.lookAt(Vector3.POSITIVE_Z, Vector3.NEGATIVE_Y);\n    cameras.nz.lookAt(Vector3.NEGATIVE_Z, Vector3.NEGATIVE_Y);\n\n    // FIXME In windows, use one framebuffer only renders one side of cubemap\n    ret._frameBuffer = new FrameBuffer();\n\n    return ret;\n},  /** @lends clay.prePass.EnvironmentMap# */ {\n    /**\n     * @param  {string} target\n     * @return  {clay.Camera}\n     */\n    getCamera: function (target) {\n        return this._cameras[target];\n    },\n    /**\n     * @param  {clay.Renderer} renderer\n     * @param  {clay.Scene} scene\n     * @param  {boolean} [notUpdateScene=false]\n     */\n    render: function(renderer, scene, notUpdateScene) {\n        var _gl = renderer.gl;\n        if (!notUpdateScene) {\n            scene.update();\n        }\n        // Tweak fov\n        // http://the-witness.net/news/2012/02/seamless-cube-map-filtering/\n        var n = this.texture.width;\n        var fov = 2 * Math.atan(n / (n - 0.5)) / Math.PI * 180;\n\n        for (var i = 0; i < 6; i++) {\n            var target = targets[i];\n            var camera = this._cameras[target];\n            Vector3.copy(camera.position, this.position);\n\n            camera.far = this.far;\n            camera.near = this.near;\n            camera.fov = fov;\n\n            if (this.shadowMapPass) {\n                camera.update();\n\n                // update boundingBoxLastFrame\n                var bbox = scene.getBoundingBox();\n                bbox.applyTransform(camera.viewMatrix);\n                scene.viewBoundingBoxLastFrame.copy(bbox);\n\n                this.shadowMapPass.render(renderer, scene, camera, true);\n            }\n            this._frameBuffer.attach(\n                this.texture, _gl.COLOR_ATTACHMENT0,\n                _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i\n            );\n            this._frameBuffer.bind(renderer);\n            renderer.render(scene, camera, true);\n            this._frameBuffer.unbind(renderer);\n        }\n    },\n    /**\n     * @param {clay.Renderer} renderer\n     */\n    dispose: function (renderer) {\n        this._frameBuffer.dispose(renderer);\n    }\n});\n\nexport default EnvironmentMapPass;\n","import Geometry from '../Geometry';\nimport BoundingBox from '../math/BoundingBox';\n\n/**\n * @constructor clay.geometry.Plane\n * @extends clay.Geometry\n * @param {Object} [opt]\n * @param {number} [opt.widthSegments]\n * @param {number} [opt.heightSegments]\n */\nvar Plane = Geometry.extend(\n/** @lends clay.geometry.Plane# */\n{\n    dynamic: false,\n    /**\n     * @type {number}\n     */\n    widthSegments: 1,\n    /**\n     * @type {number}\n     */\n    heightSegments: 1\n}, function() {\n    this.build();\n},\n/** @lends clay.geometry.Plane.prototype */\n{\n    /**\n     * Build plane geometry\n     */\n    build: function() {\n        var heightSegments = this.heightSegments;\n        var widthSegments = this.widthSegments;\n        var attributes = this.attributes;\n        var positions = [];\n        var texcoords = [];\n        var normals = [];\n        var faces = [];\n\n        for (var y = 0; y <= heightSegments; y++) {\n            var t = y / heightSegments;\n            for (var x = 0; x <= widthSegments; x++) {\n                var s = x / widthSegments;\n\n                positions.push([2 * s - 1, 2 * t - 1, 0]);\n                if (texcoords) {\n                    texcoords.push([s, t]);\n                }\n                if (normals) {\n                    normals.push([0, 0, 1]);\n                }\n                if (x < widthSegments && y < heightSegments) {\n                    var i = x + y * (widthSegments + 1);\n                    faces.push([i, i + 1, i + widthSegments + 1]);\n                    faces.push([i + widthSegments + 1, i + 1, i + widthSegments + 2]);\n                }\n            }\n        }\n\n        attributes.position.fromArray(positions);\n        attributes.texcoord0.fromArray(texcoords);\n        attributes.normal.fromArray(normals);\n\n        this.initIndicesFromArray(faces);\n\n        this.boundingBox = new BoundingBox();\n        this.boundingBox.min.set(-1, -1, 0);\n        this.boundingBox.max.set(1, 1, 0);\n    }\n});\n\nexport default Plane;\n","import Geometry from '../Geometry';\nimport Plane from './Plane';\nimport Matrix4 from '../math/Matrix4';\nimport Vector3 from '../math/Vector3';\nimport BoundingBox from '../math/BoundingBox';\nimport vendor from '../core/vendor';\n\nvar planeMatrix = new Matrix4();\n\n/**\n * @constructor clay.geometry.Cube\n * @extends clay.Geometry\n * @param {Object} [opt]\n * @param {number} [opt.widthSegments]\n * @param {number} [opt.heightSegments]\n * @param {number} [opt.depthSegments]\n * @param {boolean} [opt.inside]\n */\nvar Cube = Geometry.extend(\n/**@lends clay.geometry.Cube# */\n{\n    dynamic: false,\n    /**\n     * @type {number}\n     */\n    widthSegments: 1,\n    /**\n     * @type {number}\n     */\n    heightSegments: 1,\n    /**\n     * @type {number}\n     */\n    depthSegments: 1,\n    /**\n     * @type {boolean}\n     */\n    inside: false\n}, function() {\n    this.build();\n},\n/** @lends clay.geometry.Cube.prototype */\n{\n    /**\n     * Build cube geometry\n     */\n    build: function() {\n\n        var planes = {\n            'px': createPlane('px', this.depthSegments, this.heightSegments),\n            'nx': createPlane('nx', this.depthSegments, this.heightSegments),\n            'py': createPlane('py', this.widthSegments, this.depthSegments),\n            'ny': createPlane('ny', this.widthSegments, this.depthSegments),\n            'pz': createPlane('pz', this.widthSegments, this.heightSegments),\n            'nz': createPlane('nz', this.widthSegments, this.heightSegments),\n        };\n\n        var attrList = ['position', 'texcoord0', 'normal'];\n        var vertexNumber = 0;\n        var faceNumber = 0;\n        for (var pos in planes) {\n            vertexNumber += planes[pos].vertexCount;\n            faceNumber += planes[pos].indices.length;\n        }\n        for (var k = 0; k < attrList.length; k++) {\n            this.attributes[attrList[k]].init(vertexNumber);\n        }\n        this.indices = new vendor.Uint16Array(faceNumber);\n        var faceOffset = 0;\n        var vertexOffset = 0;\n        for (var pos in planes) {\n            var plane = planes[pos];\n            for (var k = 0; k < attrList.length; k++) {\n                var attrName = attrList[k];\n                var attrArray = plane.attributes[attrName].value;\n                var attrSize = plane.attributes[attrName].size;\n                var isNormal = attrName === 'normal';\n                for (var i = 0; i < attrArray.length; i++) {\n                    var value = attrArray[i];\n                    if (this.inside && isNormal) {\n                        value = -value;\n                    }\n                    this.attributes[attrName].value[i + attrSize * vertexOffset] = value;\n                }\n            }\n            var len = plane.indices.length;\n            for (var i = 0; i < plane.indices.length; i++) {\n                this.indices[i + faceOffset] = vertexOffset + plane.indices[this.inside ? (len - i - 1) : i];\n            }\n            faceOffset += plane.indices.length;\n            vertexOffset += plane.vertexCount;\n        }\n\n        this.boundingBox = new BoundingBox();\n        this.boundingBox.max.set(1, 1, 1);\n        this.boundingBox.min.set(-1, -1, -1);\n    }\n});\n\nfunction createPlane(pos, widthSegments, heightSegments) {\n\n    planeMatrix.identity();\n\n    var plane = new Plane({\n        widthSegments: widthSegments,\n        heightSegments: heightSegments\n    });\n\n    switch(pos) {\n        case 'px':\n            Matrix4.translate(planeMatrix, planeMatrix, Vector3.POSITIVE_X);\n            Matrix4.rotateY(planeMatrix, planeMatrix, Math.PI / 2);\n            break;\n        case 'nx':\n            Matrix4.translate(planeMatrix, planeMatrix, Vector3.NEGATIVE_X);\n            Matrix4.rotateY(planeMatrix, planeMatrix, -Math.PI / 2);\n            break;\n        case 'py':\n            Matrix4.translate(planeMatrix, planeMatrix, Vector3.POSITIVE_Y);\n            Matrix4.rotateX(planeMatrix, planeMatrix, -Math.PI / 2);\n            break;\n        case 'ny':\n            Matrix4.translate(planeMatrix, planeMatrix, Vector3.NEGATIVE_Y);\n            Matrix4.rotateX(planeMatrix, planeMatrix, Math.PI / 2);\n            break;\n        case 'pz':\n            Matrix4.translate(planeMatrix, planeMatrix, Vector3.POSITIVE_Z);\n            break;\n        case 'nz':\n            Matrix4.translate(planeMatrix, planeMatrix, Vector3.NEGATIVE_Z);\n            Matrix4.rotateY(planeMatrix, planeMatrix, Math.PI);\n            break;\n    }\n    plane.applyTransform(planeMatrix);\n    return plane;\n}\n\nexport default Cube;\n","// TODO Should not derived from mesh?\nimport Mesh from '../Mesh';\nimport CubeGeometry from '../geometry/Cube';\nimport Shader from '../Shader';\nimport Material from '../Material';\nimport Texture from '../Texture';\nimport PerspectiveCamera from '../camera/Perspective';\nimport Matrix4 from '../math/Matrix4';\n\nimport skyboxEssl from '../shader/source/skybox.glsl.js';\nShader.import(skyboxEssl);\n/**\n * @constructor clay.plugin.Skybox\n *\n * @example\n *     var skyTex = new clay.TextureCube();\n *     skyTex.load({\n *         'px': 'assets/textures/sky/px.jpg',\n *         'nx': 'assets/textures/sky/nx.jpg'\n *         'py': 'assets/textures/sky/py.jpg'\n *         'ny': 'assets/textures/sky/ny.jpg'\n *         'pz': 'assets/textures/sky/pz.jpg'\n *         'nz': 'assets/textures/sky/nz.jpg'\n *     });\n *     var skybox = new clay.plugin.Skybox({\n *         scene: scene\n *     });\n *     skybox.material.set('environmentMap', skyTex);\n */\nvar Skybox = Mesh.extend(function () {\n\n    var skyboxShader = new Shader({\n        vertex: Shader.source('clay.skybox.vertex'),\n        fragment: Shader.source('clay.skybox.fragment')\n    });\n    var material = new Material({\n        shader: skyboxShader,\n        depthMask: false\n    });\n\n    return {\n        /**\n         * @type {clay.Scene}\n         * @memberOf clay.plugin.Skybox.prototype\n         */\n        scene: null,\n\n        geometry: new CubeGeometry(),\n\n        material: material,\n\n        environmentMap: null,\n\n        culling: false,\n\n        _dummyCamera: new PerspectiveCamera()\n    };\n}, function () {\n    var scene = this.scene;\n    if (scene) {\n        this.attachScene(scene);\n    }\n    if (this.environmentMap) {\n        this.setEnvironmentMap(this.environmentMap);\n    }\n}, /** @lends clay.plugin.Skybox# */ {\n    /**\n     * Attach the skybox to the scene\n     * @param  {clay.Scene} scene\n     */\n    attachScene: function (scene) {\n        if (this.scene) {\n            this.detachScene();\n        }\n        scene.skybox = this;\n\n        this.scene = scene;\n        scene.on('beforerender', this._beforeRenderScene, this);\n    },\n    /**\n     * Detach from scene\n     */\n    detachScene: function () {\n        if (this.scene) {\n            this.scene.off('beforerender', this._beforeRenderScene);\n            this.scene.skybox = null;\n        }\n        this.scene = null;\n    },\n\n    /**\n     * Dispose skybox\n     * @param  {clay.Renderer} renderer\n     */\n    dispose: function (renderer) {\n        this.detachScene();\n        this.geometry.dispose(renderer);\n    },\n    /**\n     * Set environment map\n     * @param {clay.TextureCube} envMap\n     */\n    setEnvironmentMap: function (envMap) {\n        if (envMap.textureType === 'texture2D') {\n            this.material.define('EQUIRECTANGULAR');\n            // LINEAR filter can remove the artifacts in pole\n            envMap.minFilter = Texture.LINEAR;\n        }\n        else {\n            this.material.undefine('EQUIRECTANGULAR');\n        }\n        this.material.set('environmentMap', envMap);\n    },\n    /**\n     * Get environment map\n     * @return {clay.TextureCube}\n     */\n    getEnvironmentMap: function () {\n        return this.material.get('environmentMap');\n    },\n\n    _beforeRenderScene: function(renderer, scene, camera) {\n        this.renderSkybox(renderer, camera);\n    },\n\n    renderSkybox: function (renderer, camera) {\n        var dummyCamera = this._dummyCamera;\n        dummyCamera.aspect = renderer.getViewportAspect();\n        dummyCamera.fov = camera.fov || 50;\n        dummyCamera.updateProjectionMatrix();\n        Matrix4.invert(dummyCamera.invProjectionMatrix, dummyCamera.projectionMatrix);\n        dummyCamera.worldTransform.copy(camera.worldTransform);\n        dummyCamera.viewMatrix.copy(camera.viewMatrix);\n\n        this.position.copy(camera.getWorldPosition());\n        this.update();\n\n        // Don't remember to disable blend\n        renderer.gl.disable(renderer.gl.BLEND);\n        if (this.material.get('lod') > 0) {\n            this.material.define('fragment', 'LOD');\n        }\n        else {\n            this.material.undefine('fragment', 'LOD');\n        }\n        renderer.renderPass([this], dummyCamera);\n    }\n});\n\nexport default Skybox;\n","export default \"@export clay.skybox.vertex\\n#define SHADER_NAME skybox\\nuniform mat4 world : WORLD;\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\nattribute vec3 position : POSITION;\\nvarying vec3 v_WorldPosition;\\nvoid main()\\n{\\n v_WorldPosition = (world * vec4(position, 1.0)).xyz;\\n gl_Position = worldViewProjection * vec4(position, 1.0);\\n}\\n@end\\n@export clay.skybox.fragment\\n#define PI 3.1415926\\nuniform mat4 viewInverse : VIEWINVERSE;\\n#ifdef EQUIRECTANGULAR\\nuniform sampler2D environmentMap;\\n#else\\nuniform samplerCube environmentMap;\\n#endif\\nuniform float lod: 0.0;\\nvarying vec3 v_WorldPosition;\\n@import clay.util.rgbm\\n@import clay.util.srgb\\n@import clay.util.ACES\\nvoid main()\\n{\\n vec3 eyePos = viewInverse[3].xyz;\\n vec3 V = normalize(v_WorldPosition - eyePos);\\n#ifdef EQUIRECTANGULAR\\n float phi = acos(V.y);\\n float theta = atan(-V.x, V.z) + PI * 0.5;\\n vec2 uv = vec2(theta / 2.0 / PI, phi / PI);\\n vec4 texel = decodeHDR(texture2D(environmentMap, fract(uv)));\\n#else\\n #if defined(LOD) || defined(SUPPORT_TEXTURE_LOD)\\n vec4 texel = decodeHDR(textureCubeLodEXT(environmentMap, V, lod));\\n #else\\n vec4 texel = decodeHDR(textureCube(environmentMap, V));\\n #endif\\n#endif\\n#ifdef SRGB_DECODE\\n texel = sRGBToLinear(texel);\\n#endif\\n#ifdef TONEMAPPING\\n texel.rgb = ACESToneMapping(texel.rgb);\\n#endif\\n#ifdef SRGB_ENCODE\\n texel = linearTosRGB(texel);\\n#endif\\n gl_FragColor = encodeHDR(vec4(texel.rgb, 1.0));\\n}\\n@end\";\n","import Skybox from './Skybox';\n\nexport default Skybox;","import Texture from '../Texture';\nimport Texture2D from '../Texture2D';\nimport TextureCube from '../TextureCube';\n\n// http://msdn.microsoft.com/en-us/library/windows/desktop/bb943991(v=vs.85).aspx\n// https://github.com/toji/webgl-texture-utils/blob/master/texture-util/dds.js\nvar DDS_MAGIC = 0x20534444;\n\nvar DDSD_CAPS = 0x1;\nvar DDSD_HEIGHT = 0x2;\nvar DDSD_WIDTH = 0x4;\nvar DDSD_PITCH = 0x8;\nvar DDSD_PIXELFORMAT = 0x1000;\nvar DDSD_MIPMAPCOUNT = 0x20000;\nvar DDSD_LINEARSIZE = 0x80000;\nvar DDSD_DEPTH = 0x800000;\n\nvar DDSCAPS_COMPLEX = 0x8;\nvar DDSCAPS_MIPMAP = 0x400000;\nvar DDSCAPS_TEXTURE = 0x1000;\n\nvar DDSCAPS2_CUBEMAP = 0x200;\nvar DDSCAPS2_CUBEMAP_POSITIVEX = 0x400;\nvar DDSCAPS2_CUBEMAP_NEGATIVEX = 0x800;\nvar DDSCAPS2_CUBEMAP_POSITIVEY = 0x1000;\nvar DDSCAPS2_CUBEMAP_NEGATIVEY = 0x2000;\nvar DDSCAPS2_CUBEMAP_POSITIVEZ = 0x4000;\nvar DDSCAPS2_CUBEMAP_NEGATIVEZ = 0x8000;\nvar DDSCAPS2_VOLUME = 0x200000;\n\nvar DDPF_ALPHAPIXELS = 0x1;\nvar DDPF_ALPHA = 0x2;\nvar DDPF_FOURCC = 0x4;\nvar DDPF_RGB = 0x40;\nvar DDPF_YUV = 0x200;\nvar DDPF_LUMINANCE = 0x20000;\n\nfunction fourCCToInt32(value) {\n    return value.charCodeAt(0) +\n        (value.charCodeAt(1) << 8) +\n        (value.charCodeAt(2) << 16) +\n        (value.charCodeAt(3) << 24);\n}\n\nfunction int32ToFourCC(value) {\n    return String.fromCharCode(\n        value & 0xff,\n        (value >> 8) & 0xff,\n        (value >> 16) & 0xff,\n        (value >> 24) & 0xff\n    );\n}\n\nvar headerLengthInt = 31; // The header length in 32 bit ints\n\nvar FOURCC_DXT1 = fourCCToInt32('DXT1');\nvar FOURCC_DXT3 = fourCCToInt32('DXT3');\nvar FOURCC_DXT5 = fourCCToInt32('DXT5');\n// Offsets into the header array\nvar off_magic = 0;\n\nvar off_size = 1;\nvar off_flags = 2;\nvar off_height = 3;\nvar off_width = 4;\n\nvar off_mipmapCount = 7;\n\nvar off_pfFlags = 20;\nvar off_pfFourCC = 21;\n\nvar off_caps = 27;\nvar off_caps2 = 28;\nvar off_caps3 = 29;\nvar off_caps4 = 30;\n\nvar ret = {\n    parse: function(arrayBuffer, out) {\n        var header = new Int32Array(arrayBuffer, 0, headerLengthInt);\n        if (header[off_magic] !== DDS_MAGIC) {\n            return null;\n        }\n        if (!header(off_pfFlags) & DDPF_FOURCC) {\n            return null;\n        }\n\n        var fourCC = header(off_pfFourCC);\n        var width = header[off_width];\n        var height = header[off_height];\n        var isCubeMap = header[off_caps2] & DDSCAPS2_CUBEMAP;\n        var hasMipmap = header[off_flags] & DDSD_MIPMAPCOUNT;\n        var blockBytes, internalFormat;\n        switch(fourCC) {\n            case FOURCC_DXT1:\n                blockBytes = 8;\n                internalFormat = Texture.COMPRESSED_RGB_S3TC_DXT1_EXT;\n                break;\n            case FOURCC_DXT3:\n                blockBytes = 16;\n                internalFormat = Texture.COMPRESSED_RGBA_S3TC_DXT3_EXT;\n                break;\n            case FOURCC_DXT5:\n                blockBytes = 16;\n                internalFormat = Texture.COMPRESSED_RGBA_S3TC_DXT5_EXT;\n                break;\n            default:\n                return null;\n        }\n        var dataOffset = header[off_size] + 4;\n        // TODO: Suppose all face are existed\n        var faceNumber = isCubeMap ? 6 : 1;\n        var mipmapCount = 1;\n        if (hasMipmap) {\n            mipmapCount = Math.max(1, header[off_mipmapCount]);\n        }\n\n        var textures = [];\n        for (var f = 0; f < faceNumber; f++) {\n            var _width = width;\n            var _height = height;\n            textures[f] = new Texture2D({\n                width: _width,\n                height: _height,\n                format: internalFormat\n            });\n            var mipmaps = [];\n            for (var i = 0; i < mipmapCount; i++) {\n                var dataLength = Math.max(4, _width) / 4 * Math.max(4, _height) / 4 * blockBytes;\n                var byteArray = new Uint8Array(arrayBuffer, dataOffset, dataLength);\n\n                dataOffset += dataLength;\n                _width *= 0.5;\n                _height *= 0.5;\n                mipmaps[i] = byteArray;\n            }\n            textures[f].pixels = mipmaps[0];\n            if (hasMipmap) {\n                textures[f].mipmaps = mipmaps;\n            }\n        }\n        // TODO\n        // return isCubeMap ? textures : textures[0];\n        if (out) {\n            out.width = textures[0].width;\n            out.height = textures[0].height;\n            out.format = textures[0].format;\n            out.pixels = textures[0].pixels;\n            out.mipmaps = textures[0].mipmaps;\n        }\n        else {\n            return textures[0];\n        }\n    }\n};\n\nexport default ret;\n","import Texture from '../Texture';\nimport Texture2D from '../Texture2D';\nvar toChar = String.fromCharCode;\n\nvar MINELEN = 8;\nvar MAXELEN = 0x7fff;\nfunction rgbe2float(rgbe, buffer, offset, exposure) {\n    if (rgbe[3] > 0) {\n        var f = Math.pow(2.0, rgbe[3] - 128 - 8 + exposure);\n        buffer[offset + 0] = rgbe[0] * f;\n        buffer[offset + 1] = rgbe[1] * f;\n        buffer[offset + 2] = rgbe[2] * f;\n    }\n    else {\n        buffer[offset + 0] = 0;\n        buffer[offset + 1] = 0;\n        buffer[offset + 2] = 0;\n    }\n    buffer[offset + 3] = 1.0;\n    return buffer;\n}\n\nfunction uint82string(array, offset, size) {\n    var str = '';\n    for (var i = offset; i < size; i++) {\n        str += toChar(array[i]);\n    }\n    return str;\n}\n\nfunction copyrgbe(s, t) {\n    t[0] = s[0];\n    t[1] = s[1];\n    t[2] = s[2];\n    t[3] = s[3];\n}\n\n// TODO : check\nfunction oldReadColors(scan, buffer, offset, xmax) {\n    var rshift = 0, x = 0, len = xmax;\n    while (len > 0) {\n        scan[x][0] = buffer[offset++];\n        scan[x][1] = buffer[offset++];\n        scan[x][2] = buffer[offset++];\n        scan[x][3] = buffer[offset++];\n        if (scan[x][0] === 1 && scan[x][1] === 1 && scan[x][2] === 1) {\n            // exp is count of repeated pixels\n            for (var i = (scan[x][3] << rshift) >>> 0; i > 0; i--) {\n                copyrgbe(scan[x-1], scan[x]);\n                x++;\n                len--;\n            }\n            rshift += 8;\n        } else {\n            x++;\n            len--;\n            rshift = 0;\n        }\n    }\n    return offset;\n}\n\nfunction readColors(scan, buffer, offset, xmax) {\n    if ((xmax < MINELEN) | (xmax > MAXELEN)) {\n        return oldReadColors(scan, buffer, offset, xmax);\n    }\n    var i = buffer[offset++];\n    if (i != 2) {\n        return oldReadColors(scan, buffer, offset - 1, xmax);\n    }\n    scan[0][1] = buffer[offset++];\n    scan[0][2] = buffer[offset++];\n\n    i = buffer[offset++];\n    if ((((scan[0][2] << 8) >>> 0) | i) >>> 0 !== xmax) {\n        return null;\n    }\n    for (var i = 0; i < 4; i++) {\n        for (var x = 0; x < xmax;) {\n            var code = buffer[offset++];\n            if (code > 128) {\n                code = (code & 127) >>> 0;\n                var val = buffer[offset++];\n                while (code--) {\n                    scan[x++][i] = val;\n                }\n            } else {\n                while (code--) {\n                    scan[x++][i] = buffer[offset++];\n                }\n            }\n        }\n    }\n    return offset;\n}\n\n\nvar ret = {\n    // http://www.graphics.cornell.edu/~bjw/rgbe.html\n    // Blender source\n    // http://radsite.lbl.gov/radiance/refer/Notes/picture_format.html\n    parseRGBE: function(arrayBuffer, texture, exposure) {\n        if (exposure == null) {\n            exposure = 0;\n        }\n        var data = new Uint8Array(arrayBuffer);\n        var size = data.length;\n        if (uint82string(data, 0, 2) !== '#?') {\n            return;\n        }\n        // find empty line, next line is resolution info\n        for (var i = 2; i < size; i++) {\n            if (toChar(data[i]) === '\\n' && toChar(data[i+1]) === '\\n') {\n                break;\n            }\n        }\n        if (i >= size) { // not found\n            return;\n        }\n        // find resolution info line\n        i += 2;\n        var str = '';\n        for (; i < size; i++) {\n            var _char = toChar(data[i]);\n            if (_char === '\\n') {\n                break;\n            }\n            str += _char;\n        }\n        // -Y M +X N\n        var tmp = str.split(' ');\n        var height = parseInt(tmp[1]);\n        var width = parseInt(tmp[3]);\n        if (!width || !height) {\n            return;\n        }\n\n        // read and decode actual data\n        var offset = i+1;\n        var scanline = [];\n        // memzero\n        for (var x = 0; x < width; x++) {\n            scanline[x] = [];\n            for (var j = 0; j < 4; j++) {\n                scanline[x][j] = 0;\n            }\n        }\n        var pixels = new Float32Array(width * height * 4);\n        var offset2 = 0;\n        for (var y = 0; y < height; y++) {\n            var offset = readColors(scanline, data, offset, width);\n            if (!offset) {\n                return null;\n            }\n            for (var x = 0; x < width; x++) {\n                rgbe2float(scanline[x], pixels, offset2, exposure);\n                offset2 += 4;\n            }\n        }\n\n        if (!texture) {\n            texture = new Texture2D();\n        }\n        texture.width = width;\n        texture.height = height;\n        texture.pixels = pixels;\n        // HALF_FLOAT can't use Float32Array\n        texture.type = Texture.FLOAT;\n        return texture;\n    },\n\n    parseRGBEFromPNG: function(png) {\n\n    }\n};\n\nexport default ret;\n","import Texture2D from '../Texture2D';\nimport TextureCube from '../TextureCube';\nimport vendor from '../core/vendor';\nimport EnvironmentMapPass from '../prePass/EnvironmentMap';\nimport Skydome from '../plugin/Skydome';\nimport Scene from '../Scene';\n\nimport dds from './dds';\nimport hdr from './hdr';\n\n/**\n * @alias clay.util.texture\n */\nvar textureUtil = {\n    /**\n     * @param  {string|object} path\n     * @param  {object} [option]\n     * @param  {Function} [onsuccess]\n     * @param  {Function} [onerror]\n     * @return {clay.Texture}\n     */\n    loadTexture: function (path, option, onsuccess, onerror) {\n        var texture;\n        if (typeof(option) === 'function') {\n            onsuccess = option;\n            onerror = onsuccess;\n            option = {};\n        }\n        else {\n            option = option || {};\n        }\n        if (typeof(path) === 'string') {\n            if (path.match(/.hdr$/) || option.fileType === 'hdr') {\n                texture = new Texture2D({\n                    width: 0,\n                    height: 0,\n                    sRGB: false\n                });\n                textureUtil._fetchTexture(\n                    path,\n                    function (data) {\n                        hdr.parseRGBE(data, texture, option.exposure);\n                        texture.dirty();\n                        onsuccess && onsuccess(texture);\n                    },\n                    onerror\n                );\n                return texture;\n            }\n            else if (path.match(/.dds$/) || option.fileType === 'dds') {\n                texture = new Texture2D({\n                    width: 0,\n                    height: 0\n                });\n                textureUtil._fetchTexture(\n                    path,\n                    function (data) {\n                        dds.parse(data, texture);\n                        texture.dirty();\n                        onsuccess && onsuccess(texture);\n                    },\n                    onerror\n                );\n            }\n            else {\n                texture = new Texture2D();\n                texture.load(path);\n                texture.success(onsuccess);\n                texture.error(onerror);\n            }\n        }\n        else if (typeof path === 'object' && typeof(path.px) !== 'undefined') {\n            texture = new TextureCube();\n            texture.load(path);\n            texture.success(onsuccess);\n            texture.error(onerror);\n        }\n        return texture;\n    },\n\n    /**\n     * Load a panorama texture and render it to a cube map\n     * @param  {clay.Renderer} renderer\n     * @param  {string} path\n     * @param  {clay.TextureCube} cubeMap\n     * @param  {object} [option]\n     * @param  {boolean} [option.encodeRGBM]\n     * @param  {number} [option.exposure]\n     * @param  {Function} [onsuccess]\n     * @param  {Function} [onerror]\n     */\n    loadPanorama: function (renderer, path, cubeMap, option, onsuccess, onerror) {\n        var self = this;\n\n        if (typeof(option) === 'function') {\n            onsuccess = option;\n            onerror = onsuccess;\n            option = {};\n        }\n        else {\n            option = option || {};\n        }\n\n        textureUtil.loadTexture(path, option, function (texture) {\n            // PENDING\n            texture.flipY = option.flipY || false;\n            self.panoramaToCubeMap(renderer, texture, cubeMap, option);\n            texture.dispose(renderer);\n            onsuccess && onsuccess(cubeMap);\n        }, onerror);\n    },\n\n    /**\n     * Render a panorama texture to a cube map\n     * @param  {clay.Renderer} renderer\n     * @param  {clay.Texture2D} panoramaMap\n     * @param  {clay.TextureCube} cubeMap\n     * @param  {Object} option\n     * @param  {boolean} [option.encodeRGBM]\n     */\n    panoramaToCubeMap: function (renderer, panoramaMap, cubeMap, option) {\n        var environmentMapPass = new EnvironmentMapPass();\n        var skydome = new Skydome({\n            scene: new Scene()\n        });\n        skydome.setEnvironmentMap(panoramaMap);\n\n        option = option || {};\n        if (option.encodeRGBM) {\n            skydome.material.define('fragment', 'RGBM_ENCODE');\n        }\n\n        // Share sRGB\n        cubeMap.sRGB = panoramaMap.sRGB;\n\n        environmentMapPass.texture = cubeMap;\n        environmentMapPass.render(renderer, skydome.scene);\n        environmentMapPass.texture = null;\n        environmentMapPass.dispose(renderer);\n        return cubeMap;\n    },\n\n    /**\n     * Convert height map to normal map\n     * @param {HTMLImageElement|HTMLCanvasElement} image\n     * @param {boolean} [checkBump=false]\n     * @return {HTMLCanvasElement}\n     */\n    heightToNormal: function (image, checkBump) {\n        var canvas = document.createElement('canvas');\n        var width = canvas.width = image.width;\n        var height = canvas.height = image.height;\n        var ctx = canvas.getContext('2d');\n        ctx.drawImage(image, 0, 0, width, height);\n        checkBump = checkBump || false;\n        var srcData = ctx.getImageData(0, 0, width, height);\n        var dstData = ctx.createImageData(width, height);\n        for (var i = 0; i < srcData.data.length; i += 4) {\n            if (checkBump) {\n                var r = srcData.data[i];\n                var g = srcData.data[i + 1];\n                var b = srcData.data[i + 2];\n                var diff = Math.abs(r - g) + Math.abs(g - b);\n                if (diff > 20) {\n                    console.warn('Given image is not a height map');\n                    return image;\n                }\n            }\n            // Modified from http://mrdoob.com/lab/javascript/height2normal/\n            var x1, y1, x2, y2;\n            if (i % (width * 4) === 0) {\n                // left edge\n                x1 = srcData.data[i];\n                x2 = srcData.data[i + 4];\n            }\n            else if (i % (width * 4) === (width - 1) * 4) {\n                // right edge\n                x1 = srcData.data[i - 4];\n                x2 = srcData.data[i];\n            }\n            else {\n                x1 = srcData.data[i - 4];\n                x2 = srcData.data[i + 4];\n            }\n\n            if (i < width * 4) {\n                // top edge\n                y1 = srcData.data[i];\n                y2 = srcData.data[i + width * 4];\n            }\n            else if (i > width * (height - 1) * 4) {\n                // bottom edge\n                y1 = srcData.data[i - width * 4];\n                y2 = srcData.data[i];\n            }\n            else {\n                y1 = srcData.data[i - width * 4];\n                y2 = srcData.data[i + width * 4];\n            }\n\n            dstData.data[i] = (x1 - x2) + 127;\n            dstData.data[i + 1] = (y1 - y2) + 127;\n            dstData.data[i + 2] = 255;\n            dstData.data[i + 3] = 255;\n        }\n        ctx.putImageData(dstData, 0, 0);\n        return canvas;\n    },\n\n    /**\n     * Convert height map to normal map\n     * @param {HTMLImageElement|HTMLCanvasElement} image\n     * @param {boolean} [checkBump=false]\n     * @param {number} [threshold=20]\n     * @return {HTMLCanvasElement}\n     */\n    isHeightImage: function (img, downScaleSize, threshold) {\n        if (!img || !img.width || !img.height) {\n            return false;\n        }\n\n        var canvas = document.createElement('canvas');\n        var ctx = canvas.getContext('2d');\n        var size = downScaleSize || 32;\n        threshold = threshold || 20;\n        canvas.width = canvas.height = size;\n        ctx.drawImage(img, 0, 0, size, size);\n        var srcData = ctx.getImageData(0, 0, size, size);\n        for (var i = 0; i < srcData.data.length; i += 4) {\n            var r = srcData.data[i];\n            var g = srcData.data[i + 1];\n            var b = srcData.data[i + 2];\n            var diff = Math.abs(r - g) + Math.abs(g - b);\n            if (diff > threshold) {\n                return false;\n            }\n        }\n        return true;\n    },\n\n    _fetchTexture: function (path, onsuccess, onerror) {\n        vendor.request.get({\n            url: path,\n            responseType: 'arraybuffer',\n            onload: onsuccess,\n            onerror: onerror\n        });\n    },\n\n    /**\n     * Create a chessboard texture\n     * @param  {number} [size]\n     * @param  {number} [unitSize]\n     * @param  {string} [color1]\n     * @param  {string} [color2]\n     * @return {clay.Texture2D}\n     */\n    createChessboard: function (size, unitSize, color1, color2) {\n        size = size || 512;\n        unitSize = unitSize || 64;\n        color1 = color1 || 'black';\n        color2 = color2 || 'white';\n\n        var repeat = Math.ceil(size / unitSize);\n\n        var canvas = document.createElement('canvas');\n        canvas.width = size;\n        canvas.height = size;\n        var ctx = canvas.getContext('2d');\n        ctx.fillStyle = color2;\n        ctx.fillRect(0, 0, size, size);\n\n        ctx.fillStyle = color1;\n        for (var i = 0; i < repeat; i++) {\n            for (var j = 0; j < repeat; j++) {\n                var isFill = j % 2 ? (i % 2) : (i % 2 - 1);\n                if (isFill) {\n                    ctx.fillRect(i * unitSize, j * unitSize, unitSize, unitSize);\n                }\n            }\n        }\n\n        var texture = new Texture2D({\n            image: canvas,\n            anisotropic: 8\n        });\n\n        return texture;\n    },\n\n    /**\n     * Create a blank pure color 1x1 texture\n     * @param  {string} color\n     * @return {clay.Texture2D}\n     */\n    createBlank: function (color) {\n        var canvas = document.createElement('canvas');\n        canvas.width = 1;\n        canvas.height = 1;\n        var ctx = canvas.getContext('2d');\n        ctx.fillStyle = color;\n        ctx.fillRect(0, 0, 1, 1);\n\n        var texture = new Texture2D({\n            image: canvas\n        });\n\n        return texture;\n    }\n};\n\nexport default textureUtil;\n","/**\n * Surface texture in the 3D scene.\n * Provide management and rendering of zrender shapes and groups\n *\n * @module echarts-gl/util/EChartsSurface\n * @author Yi Shen(http://github.com/pissang)\n */\nimport Texture2D from 'claygl/src/Texture2D';\nimport Vector3 from 'claygl/src/math/Vector3';\nimport Vector2 from 'claygl/src/math/Vector2';\nvar events = ['mousedown', 'mouseup', 'mousemove', 'mouseover', 'mouseout', 'click', 'dblclick', 'contextmenu'];\n\nfunction makeHandlerName(eventName) {\n  return '_on' + eventName;\n}\n/**\n * @constructor\n * @alias echarts-gl/util/EChartsSurface\n * @param {module:echarts~ECharts} chart\n */\n\n\nvar EChartsSurface = function (chart) {\n  var self = this;\n  this._texture = new Texture2D({\n    anisotropic: 32,\n    flipY: false,\n    surface: this,\n    dispose: function (renderer) {\n      self.dispose();\n      Texture2D.prototype.dispose.call(this, renderer);\n    }\n  });\n  events.forEach(function (eventName) {\n    this[makeHandlerName(eventName)] = function (eveObj) {\n      if (!eveObj.triangle) {\n        return;\n      }\n\n      this._meshes.forEach(function (mesh) {\n        this.dispatchEvent(eventName, mesh, eveObj.triangle, eveObj.point);\n      }, this);\n    };\n  }, this);\n  this._meshes = [];\n\n  if (chart) {\n    this.setECharts(chart);\n  } // Texture updated callback;\n\n\n  this.onupdate = null;\n};\n\nEChartsSurface.prototype = {\n  constructor: EChartsSurface,\n  getTexture: function () {\n    return this._texture;\n  },\n  setECharts: function (chart) {\n    this._chart = chart;\n    var canvas = chart.getDom();\n\n    if (!(canvas instanceof HTMLCanvasElement)) {\n      console.error('ECharts must init on canvas if it is used as texture.'); // Use an empty canvas\n\n      canvas = document.createElement('canvas');\n    } else {\n      var self = this; // Wrap refreshImmediately\n\n      var zr = chart.getZr();\n      var oldRefreshImmediately = zr.__oldRefreshImmediately || zr.refreshImmediately;\n\n      zr.refreshImmediately = function () {\n        oldRefreshImmediately.call(this);\n\n        self._texture.dirty();\n\n        self.onupdate && self.onupdate();\n      };\n\n      zr.__oldRefreshImmediately = oldRefreshImmediately;\n    }\n\n    this._texture.image = canvas;\n\n    this._texture.dirty();\n\n    this.onupdate && this.onupdate();\n  },\n\n  /**\n   * @method\n   * @param {clay.Mesh} attachedMesh\n   * @param {Array.<number>} triangle Triangle indices\n   * @param {clay.math.Vector3} point\n   */\n  dispatchEvent: function () {\n    var p0 = new Vector3();\n    var p1 = new Vector3();\n    var p2 = new Vector3();\n    var uv0 = new Vector2();\n    var uv1 = new Vector2();\n    var uv2 = new Vector2();\n    var uv = new Vector2();\n    var vCross = new Vector3();\n    return function (eventName, attachedMesh, triangle, point) {\n      var geo = attachedMesh.geometry;\n      var position = geo.attributes.position;\n      var texcoord = geo.attributes.texcoord0;\n      var dot = Vector3.dot;\n      var cross = Vector3.cross;\n      position.get(triangle[0], p0.array);\n      position.get(triangle[1], p1.array);\n      position.get(triangle[2], p2.array);\n      texcoord.get(triangle[0], uv0.array);\n      texcoord.get(triangle[1], uv1.array);\n      texcoord.get(triangle[2], uv2.array);\n      cross(vCross, p1, p2);\n      var det = dot(p0, vCross);\n      var t = dot(point, vCross) / det;\n      cross(vCross, p2, p0);\n      var u = dot(point, vCross) / det;\n      cross(vCross, p0, p1);\n      var v = dot(point, vCross) / det;\n      Vector2.scale(uv, uv0, t);\n      Vector2.scaleAndAdd(uv, uv, uv1, u);\n      Vector2.scaleAndAdd(uv, uv, uv2, v);\n\n      var x = uv.x * this._chart.getWidth();\n\n      var y = uv.y * this._chart.getHeight();\n\n      this._chart.getZr().handler.dispatch(eventName, {\n        zrX: x,\n        zrY: y\n      });\n    };\n  }(),\n  attachToMesh: function (mesh) {\n    if (this._meshes.indexOf(mesh) >= 0) {\n      return;\n    }\n\n    events.forEach(function (eventName) {\n      mesh.on(eventName, this[makeHandlerName(eventName)], this);\n    }, this);\n\n    this._meshes.push(mesh);\n  },\n  detachFromMesh: function (mesh) {\n    var idx = this._meshes.indexOf(mesh);\n\n    if (idx >= 0) {\n      this._meshes.splice(idx, 1);\n    }\n\n    events.forEach(function (eventName) {\n      mesh.off(eventName, this[makeHandlerName(eventName)]);\n    }, this);\n  },\n  dispose: function () {\n    this._meshes.forEach(function (mesh) {\n      this.detachFromMesh(mesh);\n    }, this);\n  }\n};\nexport default EChartsSurface;","import Camera from '../Camera';\n/**\n * @constructor clay.camera.Orthographic\n * @extends clay.Camera\n */\nvar Orthographic = Camera.extend(\n/** @lends clay.camera.Orthographic# */\n{\n    /**\n     * @type {number}\n     */\n    left: -1,\n    /**\n     * @type {number}\n     */\n    right: 1,\n    /**\n     * @type {number}\n     */\n    near: -1,\n    /**\n     * @type {number}\n     */\n    far: 1,\n    /**\n     * @type {number}\n     */\n    top: 1,\n    /**\n     * @type {number}\n     */\n    bottom: -1\n},\n/** @lends clay.camera.Orthographic.prototype */\n{\n\n    updateProjectionMatrix: function() {\n        this.projectionMatrix.ortho(this.left, this.right, this.bottom, this.top, this.near, this.far);\n    },\n\n    decomposeProjectionMatrix: function () {\n        var m = this.projectionMatrix.array;\n        this.left = (-1 - m[12]) / m[0];\n        this.right = (1 - m[12]) / m[0];\n        this.top = (1 - m[13]) / m[5];\n        this.bottom = (-1 - m[13]) / m[5];\n        this.near = -(-1 - m[14]) / m[10];\n        this.far = -(1 - m[14]) / m[10];\n    },\n    /**\n     * @return {clay.camera.Orthographic}\n     */\n    clone: function() {\n        var camera = Camera.prototype.clone.call(this);\n        camera.left = this.left;\n        camera.right = this.right;\n        camera.near = this.near;\n        camera.far = this.far;\n        camera.top = this.top;\n        camera.bottom = this.bottom;\n\n        return camera;\n    }\n});\n\nexport default Orthographic;\n","import Base from '../core/Base';\nimport OrthoCamera from '../camera/Orthographic';\nimport Plane from '../geometry/Plane';\nimport Shader from '../Shader';\nimport Material from '../Material';\nimport Mesh from '../Mesh';\nimport glenum from '../core/glenum';\nimport vertexGlsl from '../shader/source/compositor/vertex.glsl.js';\n\nShader['import'](vertexGlsl);\n\nvar planeGeo = new Plane();\nvar mesh = new Mesh({\n    geometry: planeGeo,\n    frustumCulling: false\n});\nvar camera = new OrthoCamera();\n\n/**\n * @constructor clay.compositor.Pass\n * @extends clay.core.Base\n */\nvar Pass = Base.extend(function () {\n    return /** @lends clay.compositor.Pass# */ {\n        /**\n         * Fragment shader string\n         * @type {string}\n         */\n        // PENDING shader or fragment ?\n        fragment: '',\n\n        /**\n         * @type {Object}\n         */\n        outputs: null,\n\n        /**\n         * @type {clay.Material}\n         */\n        material: null,\n\n        /**\n         * @type {Boolean}\n         */\n        blendWithPrevious: false,\n\n        /**\n         * @type {Boolean}\n         */\n        clearColor: false,\n\n        /**\n         * @type {Boolean}\n         */\n        clearDepth: true\n    };\n}, function() {\n\n    var shader = new Shader(Shader.source('clay.compositor.vertex'), this.fragment);\n    var material = new Material({\n        shader: shader\n    });\n    material.enableTexturesAll();\n\n    this.material = material;\n\n},\n/** @lends clay.compositor.Pass.prototype */\n{\n    /**\n     * @param {string} name\n     * @param {} value\n     */\n    setUniform: function(name, value) {\n        this.material.setUniform(name, value);\n    },\n    /**\n     * @param  {string} name\n     * @return {}\n     */\n    getUniform: function(name) {\n        var uniform = this.material.uniforms[name];\n        if (uniform) {\n            return uniform.value;\n        }\n    },\n    /**\n     * @param  {clay.Texture} texture\n     * @param  {number} attachment\n     */\n    attachOutput: function(texture, attachment) {\n        if (!this.outputs) {\n            this.outputs = {};\n        }\n        attachment = attachment || glenum.COLOR_ATTACHMENT0;\n        this.outputs[attachment] = texture;\n    },\n    /**\n     * @param  {clay.Texture} texture\n     */\n    detachOutput: function(texture) {\n        for (var attachment in this.outputs) {\n            if (this.outputs[attachment] === texture) {\n                this.outputs[attachment] = null;\n            }\n        }\n    },\n\n    bind: function(renderer, frameBuffer) {\n\n        if (this.outputs) {\n            for (var attachment in this.outputs) {\n                var texture = this.outputs[attachment];\n                if (texture) {\n                    frameBuffer.attach(texture, attachment);\n                }\n            }\n        }\n\n        if (frameBuffer) {\n            frameBuffer.bind(renderer);\n        }\n    },\n\n    unbind: function(renderer, frameBuffer) {\n        frameBuffer.unbind(renderer);\n    },\n    /**\n     * @param  {clay.Renderer} renderer\n     * @param  {clay.FrameBuffer} [frameBuffer]\n     */\n    render: function(renderer, frameBuffer) {\n\n        var _gl = renderer.gl;\n\n        if (frameBuffer) {\n            this.bind(renderer, frameBuffer);\n            // MRT Support in chrome\n            // https://www.khronos.org/registry/webgl/sdk/tests/conformance/extensions/ext-draw-buffers.html\n            var ext = renderer.getGLExtension('EXT_draw_buffers');\n            if (ext && this.outputs) {\n                var bufs = [];\n                for (var attachment in this.outputs) {\n                    attachment = +attachment;\n                    if (attachment >= _gl.COLOR_ATTACHMENT0 && attachment <= _gl.COLOR_ATTACHMENT0 + 8) {\n                        bufs.push(attachment);\n                    }\n                }\n                ext.drawBuffersEXT(bufs);\n            }\n        }\n\n        this.trigger('beforerender', this, renderer);\n\n        // FIXME Don't clear in each pass in default, let the color overwrite the buffer\n        // FIXME pixels may be discard\n        var clearBit = this.clearDepth ? _gl.DEPTH_BUFFER_BIT : 0;\n        _gl.depthMask(true);\n        if (this.clearColor) {\n            clearBit = clearBit | _gl.COLOR_BUFFER_BIT;\n            _gl.colorMask(true, true, true, true);\n            var cc = this.clearColor;\n            if (Array.isArray(cc)) {\n                _gl.clearColor(cc[0], cc[1], cc[2], cc[3]);\n            }\n        }\n        _gl.clear(clearBit);\n\n        if (this.blendWithPrevious) {\n            // Blend with previous rendered scene in the final output\n            // FIXME Configure blend.\n            // FIXME It will cause screen blink？\n            _gl.enable(_gl.BLEND);\n            this.material.transparent = true;\n        }\n        else {\n            _gl.disable(_gl.BLEND);\n            this.material.transparent = false;\n        }\n\n        this.renderQuad(renderer);\n\n        this.trigger('afterrender', this, renderer);\n\n        if (frameBuffer) {\n            this.unbind(renderer, frameBuffer);\n        }\n    },\n\n    /**\n     * Simply do quad rendering\n     */\n    renderQuad: function (renderer) {\n        mesh.material = this.material;\n        renderer.renderPass([mesh], camera);\n    },\n\n    /**\n     * @param  {clay.Renderer} renderer\n     */\n    dispose: function (renderer) {}\n});\n\nexport default Pass;\n","export default \"\\n@export clay.compositor.vertex\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\nattribute vec3 position : POSITION;\\nattribute vec2 texcoord : TEXCOORD_0;\\nvarying vec2 v_Texcoord;\\nvoid main()\\n{\\n v_Texcoord = texcoord;\\n gl_Position = worldViewProjection * vec4(position, 1.0);\\n}\\n@end\";\n","// Cubemap prefilter utility\n// http://www.unrealengine.com/files/downloads/2013SiggraphPresentationsNotes.pdf\n// http://http.developer.nvidia.com/GPUGems3/gpugems3_ch20.html\nimport Texture2D from '../Texture2D';\nimport TextureCube from '../TextureCube';\nimport Texture from '../Texture';\nimport FrameBuffer from '../FrameBuffer';\nimport Pass from '../compositor/Pass';\nimport Material from '../Material';\nimport Shader from '../Shader';\nimport Skybox from '../plugin/Skybox';\nimport Scene from '../Scene';\nimport EnvironmentMapPass from '../prePass/EnvironmentMap';\nimport vendor from '../core/vendor';\nimport textureUtil from './texture';\n\nimport integrateBRDFShaderCode from './shader/integrateBRDF.glsl.js';\nimport prefilterFragCode from './shader/prefilter.glsl.js';\n\nvar cubemapUtil = {};\n\nvar targets = ['px', 'nx', 'py', 'ny', 'pz', 'nz'];\n\n// TODO Downsample\n/**\n * @name clay.util.cubemap.prefilterEnvironmentMap\n * @param  {clay.Renderer} renderer\n * @param  {clay.Texture} envMap\n * @param  {Object} [textureOpts]\n * @param  {number} [textureOpts.width=64]\n * @param  {number} [textureOpts.height=64]\n * @param  {number} [textureOpts.type]\n * @param  {boolean} [textureOpts.encodeRGBM=false]\n * @param  {boolean} [textureOpts.decodeRGBM=false]\n * @param  {clay.Texture2D} [normalDistribution]\n * @param  {clay.Texture2D} [brdfLookup]\n */\ncubemapUtil.prefilterEnvironmentMap = function (\n    renderer, envMap, textureOpts, normalDistribution, brdfLookup\n) {\n    // Not create other renderer, it is easy having issue of cross reference of resources like framebuffer\n    // PENDING preserveDrawingBuffer?\n    if (!brdfLookup || !normalDistribution) {\n        normalDistribution = cubemapUtil.generateNormalDistribution();\n        brdfLookup = cubemapUtil.integrateBRDF(renderer, normalDistribution);\n    }\n    textureOpts = textureOpts || {};\n\n    var width = textureOpts.width || 64;\n    var height = textureOpts.height || 64;\n\n    var textureType = textureOpts.type || envMap.type;\n\n    // Use same type with given envMap\n    var prefilteredCubeMap = new TextureCube({\n        width: width,\n        height: height,\n        type: textureType,\n        flipY: false,\n        mipmaps: []\n    });\n\n    if (!prefilteredCubeMap.isPowerOfTwo()) {\n        console.warn('Width and height must be power of two to enable mipmap.');\n    }\n\n    var size = Math.min(width, height);\n    var mipmapNum = Math.log(size) / Math.log(2) + 1;\n\n    var prefilterMaterial = new Material({\n        shader: new Shader({\n            vertex: Shader.source('clay.skybox.vertex'),\n            fragment: prefilterFragCode\n        })\n    });\n    prefilterMaterial.set('normalDistribution', normalDistribution);\n\n    textureOpts.encodeRGBM && prefilterMaterial.define('fragment', 'RGBM_ENCODE');\n    textureOpts.decodeRGBM && prefilterMaterial.define('fragment', 'RGBM_DECODE');\n\n    var dummyScene = new Scene();\n    var skyEnv;\n\n    if (envMap.textureType === 'texture2D') {\n        // Convert panorama to cubemap\n        var envCubemap = new TextureCube({\n            width: width,\n            height: height,\n            // FIXME FLOAT type will cause GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT error on iOS\n            type: textureType === Texture.FLOAT ?\n                Texture.HALF_FLOAT : textureType\n        });\n        textureUtil.panoramaToCubeMap(renderer, envMap, envCubemap, {\n            // PENDING encodeRGBM so it can be decoded as RGBM\n            encodeRGBM: textureOpts.decodeRGBM\n        });\n        envMap = envCubemap;\n    }\n    skyEnv = new Skybox({\n        scene: dummyScene,\n        material: prefilterMaterial\n    });\n    skyEnv.material.set('environmentMap', envMap);\n\n    var envMapPass = new EnvironmentMapPass({\n        texture: prefilteredCubeMap\n    });\n\n    // Force to be UNSIGNED_BYTE\n    if (textureOpts.encodeRGBM) {\n        textureType = prefilteredCubeMap.type = Texture.UNSIGNED_BYTE;\n    }\n\n    var renderTargetTmp = new Texture2D({\n        width: width,\n        height: height,\n        type: textureType\n    });\n    var frameBuffer = new FrameBuffer({\n        depthBuffer: false\n    });\n    var ArrayCtor = vendor[textureType === Texture.UNSIGNED_BYTE ? 'Uint8Array' : 'Float32Array'];\n    for (var i = 0; i < mipmapNum; i++) {\n        // console.time('prefilter');\n        prefilteredCubeMap.mipmaps[i] = {\n            pixels: {}\n        };\n        skyEnv.material.set('roughness', i / (mipmapNum - 1));\n\n        // Tweak fov\n        // http://the-witness.net/news/2012/02/seamless-cube-map-filtering/\n        var n = renderTargetTmp.width;\n        var fov = 2 * Math.atan(n / (n - 0.5)) / Math.PI * 180;\n\n        for (var j = 0; j < targets.length; j++) {\n            var pixels = new ArrayCtor(renderTargetTmp.width * renderTargetTmp.height * 4);\n            frameBuffer.attach(renderTargetTmp);\n            frameBuffer.bind(renderer);\n\n            var camera = envMapPass.getCamera(targets[j]);\n            camera.fov = fov;\n            renderer.render(dummyScene, camera);\n            renderer.gl.readPixels(\n                0, 0, renderTargetTmp.width, renderTargetTmp.height,\n                Texture.RGBA, textureType, pixels\n            );\n\n            // var canvas = document.createElement('canvas');\n            // var ctx = canvas.getContext('2d');\n            // canvas.width = renderTargetTmp.width;\n            // canvas.height = renderTargetTmp.height;\n            // var imageData = ctx.createImageData(renderTargetTmp.width, renderTargetTmp.height);\n            // for (var k = 0; k < pixels.length; k++) {\n            //     imageData.data[k] = pixels[k];\n            // }\n            // ctx.putImageData(imageData, 0, 0);\n            // document.body.appendChild(canvas);\n\n            frameBuffer.unbind(renderer);\n            prefilteredCubeMap.mipmaps[i].pixels[targets[j]] = pixels;\n        }\n\n        renderTargetTmp.width /= 2;\n        renderTargetTmp.height /= 2;\n        renderTargetTmp.dirty();\n        // console.timeEnd('prefilter');\n    }\n\n    frameBuffer.dispose(renderer);\n    renderTargetTmp.dispose(renderer);\n    skyEnv.dispose(renderer);\n    // Remove gpu resource allucated in renderer\n    normalDistribution.dispose(renderer);\n\n    // renderer.dispose();\n\n    return {\n        environmentMap: prefilteredCubeMap,\n        brdfLookup: brdfLookup,\n        normalDistribution: normalDistribution,\n        maxMipmapLevel: mipmapNum\n    };\n};\n\ncubemapUtil.integrateBRDF = function (renderer, normalDistribution) {\n    normalDistribution = normalDistribution || cubemapUtil.generateNormalDistribution();\n    var framebuffer = new FrameBuffer({\n        depthBuffer: false\n    });\n    var pass = new Pass({\n        fragment: integrateBRDFShaderCode\n    });\n\n    var texture = new Texture2D({\n        width: 512,\n        height: 256,\n        type: Texture.HALF_FLOAT,\n        wrapS: Texture.CLAMP_TO_EDGE,\n        wrapT: Texture.CLAMP_TO_EDGE,\n        minFilter: Texture.NEAREST,\n        magFilter: Texture.NEAREST,\n        useMipmap: false\n    });\n    pass.setUniform('normalDistribution', normalDistribution);\n    pass.setUniform('viewportSize', [512, 256]);\n    pass.attachOutput(texture);\n    pass.render(renderer, framebuffer);\n\n    // FIXME Only chrome and firefox can readPixels with float type.\n    // framebuffer.bind(renderer);\n    // var pixels = new Float32Array(512 * 256 * 4);\n    // renderer.gl.readPixels(\n    //     0, 0, texture.width, texture.height,\n    //     Texture.RGBA, Texture.FLOAT, pixels\n    // );\n    // texture.pixels = pixels;\n    // texture.flipY = false;\n    // texture.dirty();\n    // framebuffer.unbind(renderer);\n\n    framebuffer.dispose(renderer);\n\n    return texture;\n};\n\ncubemapUtil.generateNormalDistribution = function (roughnessLevels, sampleSize) {\n\n    // http://holger.dammertz.org/stuff/notes_HammersleyOnHemisphere.html\n    // GLSL not support bit operation, use lookup instead\n    // V -> i / N, U -> roughness\n    var roughnessLevels = roughnessLevels || 256;\n    var sampleSize = sampleSize || 1024;\n\n    var normalDistribution = new Texture2D({\n        width: roughnessLevels,\n        height: sampleSize,\n        type: Texture.FLOAT,\n        minFilter: Texture.NEAREST,\n        magFilter: Texture.NEAREST,\n        wrapS: Texture.CLAMP_TO_EDGE,\n        wrapT: Texture.CLAMP_TO_EDGE,\n        useMipmap: false\n    });\n    var pixels = new Float32Array(sampleSize * roughnessLevels * 4);\n    var tmp = [];\n\n    // function sortFunc(a, b) {\n    //     return Math.abs(b) - Math.abs(a);\n    // }\n    for (var j = 0; j < roughnessLevels; j++) {\n        var roughness = j / roughnessLevels;\n        var a = roughness * roughness;\n\n        for (var i = 0; i < sampleSize; i++) {\n            // http://holger.dammertz.org/stuff/notes_HammersleyOnHemisphere.html\n            // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_Operators\n            // http://stackoverflow.com/questions/1908492/unsigned-integer-in-javascript\n            // http://stackoverflow.com/questions/1822350/what-is-the-javascript-operator-and-how-do-you-use-it\n            var y = (i << 16 | i >>> 16) >>> 0;\n            y = ((y & 1431655765) << 1 | (y & 2863311530) >>> 1) >>> 0;\n            y = ((y & 858993459) << 2 | (y & 3435973836) >>> 2) >>> 0;\n            y = ((y & 252645135) << 4 | (y & 4042322160) >>> 4) >>> 0;\n            y = (((y & 16711935) << 8 | (y & 4278255360) >>> 8) >>> 0) / 4294967296;\n\n            // CDF\n            var cosTheta = Math.sqrt((1 - y) / (1 + (a * a - 1.0) * y));\n            tmp[i] = cosTheta;\n        }\n\n        for (var i = 0; i < sampleSize; i++) {\n            var offset = (i * roughnessLevels + j) * 4;\n            var cosTheta = tmp[i];\n            var sinTheta = Math.sqrt(1.0 - cosTheta * cosTheta);\n            var x = i / sampleSize;\n            var phi = 2.0 * Math.PI * x;\n            pixels[offset] = sinTheta * Math.cos(phi);\n            pixels[offset + 1] = cosTheta;\n            pixels[offset + 2] = sinTheta * Math.sin(phi);\n            pixels[offset + 3] = 1.0;\n        }\n    }\n    normalDistribution.pixels = pixels;\n\n    return normalDistribution;\n};\n\nexport default cubemapUtil;\n","export default \"#define SHADER_NAME prefilter\\n#define SAMPLE_NUMBER 1024\\n#define PI 3.14159265358979\\nuniform mat4 viewInverse : VIEWINVERSE;\\nuniform samplerCube environmentMap;\\nuniform sampler2D normalDistribution;\\nuniform float roughness : 0.5;\\nvarying vec2 v_Texcoord;\\nvarying vec3 v_WorldPosition;\\n@import clay.util.rgbm\\nvec3 importanceSampleNormal(float i, float roughness, vec3 N) {\\n vec3 H = texture2D(normalDistribution, vec2(roughness, i)).rgb;\\n vec3 upVector = abs(N.y) > 0.999 ? vec3(1.0, 0.0, 0.0) : vec3(0.0, 1.0, 0.0);\\n vec3 tangentX = normalize(cross(N, upVector));\\n vec3 tangentZ = cross(N, tangentX);\\n return normalize(tangentX * H.x + N * H.y + tangentZ * H.z);\\n}\\nvoid main() {\\n vec3 eyePos = viewInverse[3].xyz;\\n vec3 V = normalize(v_WorldPosition - eyePos);\\n vec3 N = V;\\n vec3 prefilteredColor = vec3(0.0);\\n float totalWeight = 0.0;\\n float fMaxSampleNumber = float(SAMPLE_NUMBER);\\n for (int i = 0; i < SAMPLE_NUMBER; i++) {\\n vec3 H = importanceSampleNormal(float(i) / fMaxSampleNumber, roughness, N);\\n vec3 L = reflect(-V, H);\\n float NoL = clamp(dot(N, L), 0.0, 1.0);\\n if (NoL > 0.0) {\\n prefilteredColor += decodeHDR(textureCube(environmentMap, L)).rgb * NoL;\\n totalWeight += NoL;\\n }\\n }\\n gl_FragColor = encodeHDR(vec4(prefilteredColor / totalWeight, 1.0));\\n}\\n\";\n","export default \"#define SAMPLE_NUMBER 1024\\n#define PI 3.14159265358979\\nuniform sampler2D normalDistribution;\\nuniform vec2 viewportSize : [512, 256];\\nconst vec3 N = vec3(0.0, 0.0, 1.0);\\nconst float fSampleNumber = float(SAMPLE_NUMBER);\\nvec3 importanceSampleNormal(float i, float roughness, vec3 N) {\\n vec3 H = texture2D(normalDistribution, vec2(roughness, i)).rgb;\\n vec3 upVector = abs(N.y) > 0.999 ? vec3(1.0, 0.0, 0.0) : vec3(0.0, 1.0, 0.0);\\n vec3 tangentX = normalize(cross(N, upVector));\\n vec3 tangentZ = cross(N, tangentX);\\n return normalize(tangentX * H.x + N * H.y + tangentZ * H.z);\\n}\\nfloat G_Smith(float roughness, float NoV, float NoL) {\\n float k = roughness * roughness / 2.0;\\n float G1V = NoV / (NoV * (1.0 - k) + k);\\n float G1L = NoL / (NoL * (1.0 - k) + k);\\n return G1L * G1V;\\n}\\nvoid main() {\\n vec2 uv = gl_FragCoord.xy / viewportSize;\\n float NoV = uv.x;\\n float roughness = uv.y;\\n vec3 V;\\n V.x = sqrt(1.0 - NoV * NoV);\\n V.y = 0.0;\\n V.z = NoV;\\n float A = 0.0;\\n float B = 0.0;\\n for (int i = 0; i < SAMPLE_NUMBER; i++) {\\n vec3 H = importanceSampleNormal(float(i) / fSampleNumber, roughness, N);\\n vec3 L = reflect(-V, H);\\n float NoL = clamp(L.z, 0.0, 1.0);\\n float NoH = clamp(H.z, 0.0, 1.0);\\n float VoH = clamp(dot(V, H), 0.0, 1.0);\\n if (NoL > 0.0) {\\n float G = G_Smith(roughness, NoV, NoL);\\n float G_Vis = G * VoH / (NoH * NoV);\\n float Fc = pow(1.0 - VoH, 5.0);\\n A += (1.0 - Fc) * G_Vis;\\n B += Fc * G_Vis;\\n }\\n }\\n gl_FragColor = vec4(vec2(A, B) / fSampleNumber, 0.0, 1.0);\\n}\\n\";\n","// https://docs.unrealengine.com/latest/INT/Engine/Rendering/LightingAndShadows/AmbientCubemap/\nimport Light from '../Light';\nimport cubemapUtil from '../util/cubemap';\n\n/**\n * Ambient cubemap light provides specular parts of Image Based Lighting.\n * Which is a basic requirement for Physically Based Rendering\n * @constructor clay.light.AmbientCubemap\n * @extends clay.Light\n */\nvar AmbientCubemapLight = Light.extend({\n\n    /**\n     * @type {clay.TextureCube}\n     * @memberOf clay.light.AmbientCubemap#\n     */\n    cubemap: null,\n\n    // TODO\n    // range: 100,\n\n    castShadow: false,\n\n    _normalDistribution: null,\n    _brdfLookup: null\n\n}, /** @lends clay.light.AmbientCubemap# */ {\n\n    type: 'AMBIENT_CUBEMAP_LIGHT',\n\n    /**\n     * Do prefitering the cubemap\n     * @param {clay.Renderer} renderer\n     * @param {number} [size=32]\n     */\n    prefilter: function (renderer, size) {\n        if (!renderer.getGLExtension('EXT_shader_texture_lod')) {\n            console.warn('Device not support textureCubeLodEXT');\n            return;\n        }\n        if (!this._brdfLookup) {\n            this._normalDistribution = cubemapUtil.generateNormalDistribution();\n            this._brdfLookup = cubemapUtil.integrateBRDF(renderer, this._normalDistribution);\n        }\n        var cubemap = this.cubemap;\n        if (cubemap.__prefiltered) {\n            return;\n        }\n\n        var result = cubemapUtil.prefilterEnvironmentMap(\n            renderer, cubemap, {\n                encodeRGBM: true,\n                width: size,\n                height: size\n            }, this._normalDistribution, this._brdfLookup\n        );\n        this.cubemap = result.environmentMap;\n        this.cubemap.__prefiltered = true;\n\n        cubemap.dispose(renderer);\n    },\n\n    getBRDFLookup: function () {\n        return this._brdfLookup;\n    },\n\n    uniformTemplates: {\n        ambientCubemapLightColor: {\n            type: '3f',\n            value: function (instance) {\n                var color = instance.color;\n                var intensity = instance.intensity;\n                return [color[0]*intensity, color[1]*intensity, color[2]*intensity];\n            }\n        },\n\n        ambientCubemapLightCubemap: {\n            type: 't',\n            value: function (instance) {\n                return instance.cubemap;\n            }\n        },\n\n        ambientCubemapLightBRDFLookup: {\n            type: 't',\n            value: function (instance) {\n                return instance._brdfLookup;\n            }\n        }\n    }\n    /**\n     * @function\n     * @name clone\n     * @return {clay.light.AmbientCubemap}\n     * @memberOf clay.light.AmbientCubemap.prototype\n     */\n});\n\nexport default AmbientCubemapLight;\n","import Light from '../Light';\nimport vendor from '../core/vendor';\n\n/**\n * Spherical Harmonic Ambient Light\n * @constructor clay.light.AmbientSH\n * @extends clay.Light\n */\nvar AmbientSHLight = Light.extend({\n\n    castShadow: false,\n\n    /**\n     * Spherical Harmonic Coefficients\n     * @type {Array.<number>}\n     * @memberOf clay.light.AmbientSH#\n     */\n    coefficients: [],\n\n}, function () {\n    this._coefficientsTmpArr = new vendor.Float32Array(9 * 3);\n}, {\n\n    type: 'AMBIENT_SH_LIGHT',\n\n    uniformTemplates: {\n        ambientSHLightColor: {\n            type: '3f',\n            value: function (instance) {\n                var color = instance.color;\n                var intensity = instance.intensity;\n                return [color[0] * intensity, color[1] * intensity, color[2] * intensity];\n            }\n        },\n\n        ambientSHLightCoefficients: {\n            type: '3f',\n            value: function (instance) {\n                var coefficientsTmpArr = instance._coefficientsTmpArr;\n                for (var i = 0; i < instance.coefficients.length; i++) {\n                    coefficientsTmpArr[i] = instance.coefficients[i];\n                }\n                return coefficientsTmpArr;\n            }\n        }\n    }\n    /**\n     * @function\n     * @name clone\n     * @return {clay.light.Ambient}\n     * @memberOf clay.light.Ambient.prototype\n     */\n});\n\nexport default AmbientSHLight;\n","// Spherical Harmonic Helpers\nimport Texture from '../Texture';\nimport FrameBuffer from '../FrameBuffer';\nimport Texture2D from '../Texture2D';\nimport Pass from '../compositor/Pass';\nimport vendor from '../core/vendor';\nimport Skybox from '../plugin/Skybox';\nimport Skydome from '../plugin/Skydome';\nimport EnvironmentMapPass from '../prePass/EnvironmentMap';\nimport Scene from '../Scene';\nimport vec3 from '../glmatrix/vec3';\nvar sh = {};\n\nimport projectEnvMapShaderCode from './shader/projectEnvMap.glsl.js';\n\nvar targets = ['px', 'nx', 'py', 'ny', 'pz', 'nz'];\n\n// Project on gpu, but needs browser to support readPixels as Float32Array.\nfunction projectEnvironmentMapGPU(renderer, envMap) {\n    var shTexture = new Texture2D({\n        width: 9,\n        height: 1,\n        type: Texture.FLOAT\n    });\n    var pass = new Pass({\n        fragment: projectEnvMapShaderCode\n    });\n    pass.material.define('fragment', 'TEXTURE_SIZE', envMap.width);\n    pass.setUniform('environmentMap', envMap);\n\n    var framebuffer = new FrameBuffer();\n    framebuffer.attach(shTexture);\n    pass.render(renderer, framebuffer);\n\n    framebuffer.bind(renderer);\n    // TODO Only chrome and firefox support Float32Array\n    var pixels = new vendor.Float32Array(9 * 4);\n    renderer.gl.readPixels(0, 0, 9, 1, Texture.RGBA, Texture.FLOAT, pixels);\n\n    var coeff = new vendor.Float32Array(9 * 3);\n    for (var i = 0; i < 9; i++) {\n        coeff[i * 3] = pixels[i * 4];\n        coeff[i * 3 + 1] = pixels[i * 4 + 1];\n        coeff[i * 3 + 2] = pixels[i * 4 + 2];\n    }\n    framebuffer.unbind(renderer);\n\n    framebuffer.dispose(renderer);\n    pass.dispose(renderer);\n    return coeff;\n}\n\nfunction harmonics(normal, index){\n    var x = normal[0];\n    var y = normal[1];\n    var z = normal[2];\n\n    if (index === 0) {\n        return 1.0;\n    }\n    else if (index === 1) {\n        return x;\n    }\n    else if (index === 2) {\n        return y;\n    }\n    else if (index === 3) {\n        return z;\n    }\n    else if (index === 4) {\n        return x * z;\n    }\n    else if (index === 5) {\n        return y * z;\n    }\n    else if (index === 6) {\n        return x * y;\n    }\n    else if (index === 7) {\n        return 3.0 * z * z - 1.0;\n    }\n    else {\n        return x * x - y * y;\n    }\n}\n\nvar normalTransform = {\n    px: [2, 1, 0, -1, -1, 1],\n    nx: [2, 1, 0, 1, -1, -1],\n    py: [0, 2, 1, 1, -1, -1],\n    ny: [0, 2, 1, 1, 1, 1],\n    pz: [0, 1, 2, -1, -1, -1],\n    nz: [0, 1, 2, 1, -1, 1]\n};\n\n// Project on cpu.\nfunction projectEnvironmentMapCPU(renderer, cubePixels, width, height) {\n    var coeff = new vendor.Float32Array(9 * 3);\n    var normal = vec3.create();\n    var texel = vec3.create();\n    var fetchNormal = vec3.create();\n    for (var m = 0; m < 9; m++) {\n        var result = vec3.create();\n        for (var k = 0; k < targets.length; k++) {\n            var pixels = cubePixels[targets[k]];\n\n            var sideResult = vec3.create();\n            var divider = 0;\n            var i = 0;\n            var transform = normalTransform[targets[k]];\n            for (var y = 0; y < height; y++) {\n                for (var x = 0; x < width; x++) {\n\n                    normal[0] = x / (width - 1.0) * 2.0 - 1.0;\n                    // TODO Flip y?\n                    normal[1] = y / (height - 1.0) * 2.0 - 1.0;\n                    normal[2] = -1.0;\n                    vec3.normalize(normal, normal);\n\n                    fetchNormal[0] = normal[transform[0]] * transform[3];\n                    fetchNormal[1] = normal[transform[1]] * transform[4];\n                    fetchNormal[2] = normal[transform[2]] * transform[5];\n\n                    texel[0] = pixels[i++] / 255;\n                    texel[1] = pixels[i++] / 255;\n                    texel[2] = pixels[i++] / 255;\n                    // RGBM Decode\n                    var scale = pixels[i++] / 255 * 8.12;\n                    texel[0] *= scale;\n                    texel[1] *= scale;\n                    texel[2] *= scale;\n\n                    vec3.scaleAndAdd(sideResult, sideResult, texel, harmonics(fetchNormal, m) * -normal[2]);\n                    // -normal.z equals cos(theta) of Lambertian\n                    divider += -normal[2];\n                }\n            }\n            vec3.scaleAndAdd(result, result, sideResult, 1 / divider);\n        }\n\n        coeff[m * 3] = result[0] / 6.0;\n        coeff[m * 3 + 1] = result[1] / 6.0;\n        coeff[m * 3 + 2] = result[2] / 6.0;\n    }\n    return coeff;\n}\n\n/**\n * @param  {clay.Renderer} renderer\n * @param  {clay.Texture} envMap\n * @param  {Object} [textureOpts]\n * @param  {Object} [textureOpts.lod]\n * @param  {boolean} [textureOpts.decodeRGBM]\n */\nsh.projectEnvironmentMap = function (renderer, envMap, opts) {\n\n    // TODO sRGB\n\n    opts = opts || {};\n    opts.lod = opts.lod || 0;\n\n    var skybox;\n    var dummyScene = new Scene();\n    var size = 64;\n    if (envMap.textureType === 'texture2D') {\n        skybox = new Skydome({\n            scene: dummyScene,\n            environmentMap: envMap\n        });\n    }\n    else {\n        size = (envMap.image && envMap.image.px) ? envMap.image.px.width : envMap.width;\n        skybox = new Skybox({\n            scene: dummyScene,\n            environmentMap: envMap\n        });\n    }\n    // Convert to rgbm\n    var width = Math.ceil(size / Math.pow(2, opts.lod));\n    var height = Math.ceil(size / Math.pow(2, opts.lod));\n    var rgbmTexture = new Texture2D({\n        width: width,\n        height: height\n    });\n    var framebuffer = new FrameBuffer();\n    skybox.material.define('fragment', 'RGBM_ENCODE');\n    if (opts.decodeRGBM) {\n        skybox.material.define('fragment', 'RGBM_DECODE');\n    }\n    skybox.material.set('lod', opts.lod);\n    var envMapPass = new EnvironmentMapPass({\n        texture: rgbmTexture\n    });\n    var cubePixels = {};\n    for (var i = 0; i < targets.length; i++) {\n        cubePixels[targets[i]] = new Uint8Array(width * height * 4);\n        var camera = envMapPass.getCamera(targets[i]);\n        camera.fov = 90;\n        framebuffer.attach(rgbmTexture);\n        framebuffer.bind(renderer);\n        renderer.render(dummyScene, camera);\n        renderer.gl.readPixels(\n            0, 0, width, height,\n            Texture.RGBA, Texture.UNSIGNED_BYTE, cubePixels[targets[i]]\n        );\n        framebuffer.unbind(renderer);\n    }\n\n    skybox.dispose(renderer);\n    framebuffer.dispose(renderer);\n    rgbmTexture.dispose(renderer);\n\n    return projectEnvironmentMapCPU(renderer, cubePixels, width, height);\n};\n\nexport default sh;\n","import * as echarts from 'echarts/lib/echarts';\nvar retrieve = {\n  firstNotNull: function () {\n    for (var i = 0, len = arguments.length; i < len; i++) {\n      if (arguments[i] != null) {\n        return arguments[i];\n      }\n    }\n  },\n\n  /**\n   * @param {module:echarts/data/List} data\n   * @param {Object} payload Contains dataIndex (means rawIndex) / dataIndexInside / name\n   *                         each of which can be Array or primary type.\n   * @return {number|Array.<number>} dataIndex If not found, return undefined/null.\n   */\n  queryDataIndex: function (data, payload) {\n    if (payload.dataIndexInside != null) {\n      return payload.dataIndexInside;\n    } else if (payload.dataIndex != null) {\n      return echarts.util.isArray(payload.dataIndex) ? echarts.util.map(payload.dataIndex, function (value) {\n        return data.indexOfRawIndex(value);\n      }) : data.indexOfRawIndex(payload.dataIndex);\n    } else if (payload.name != null) {\n      return echarts.util.isArray(payload.name) ? echarts.util.map(payload.name, function (value) {\n        return data.indexOfName(value);\n      }) : data.indexOfName(payload.name);\n    }\n  }\n};\nexport default retrieve;","import Geometry from '../Geometry';\nimport BoundingBox from '../math/BoundingBox';\n\n/**\n * @constructor clay.geometry.Sphere\n * @extends clay.Geometry\n * @param {Object} [opt]\n * @param {number} [widthSegments]\n * @param {number} [heightSegments]\n * @param {number} [phiStart]\n * @param {number} [phiLength]\n * @param {number} [thetaStart]\n * @param {number} [thetaLength]\n * @param {number} [radius]\n */\nvar Sphere = Geometry.extend(/** @lends clay.geometry.Sphere# */ {\n    dynamic: false,\n    /**\n     * @type {number}\n     */\n    widthSegments: 40,\n    /**\n     * @type {number}\n     */\n    heightSegments: 20,\n\n    /**\n     * @type {number}\n     */\n    phiStart: 0,\n    /**\n     * @type {number}\n     */\n    phiLength: Math.PI * 2,\n\n    /**\n     * @type {number}\n     */\n    thetaStart: 0,\n    /**\n     * @type {number}\n     */\n    thetaLength: Math.PI,\n\n    /**\n     * @type {number}\n     */\n    radius: 1\n\n}, function() {\n    this.build();\n},\n/** @lends clay.geometry.Sphere.prototype */\n{\n    /**\n     * Build sphere geometry\n     */\n    build: function() {\n        var heightSegments = this.heightSegments;\n        var widthSegments = this.widthSegments;\n\n        var positionAttr = this.attributes.position;\n        var texcoordAttr = this.attributes.texcoord0;\n        var normalAttr = this.attributes.normal;\n\n        var vertexCount = (widthSegments + 1) * (heightSegments + 1);\n        positionAttr.init(vertexCount);\n        texcoordAttr.init(vertexCount);\n        normalAttr.init(vertexCount);\n\n        var IndicesCtor = vertexCount > 0xffff ? Uint32Array : Uint16Array;\n        var indices = this.indices = new IndicesCtor(widthSegments * heightSegments * 6);\n\n        var x, y, z,\n            u, v,\n            i, j;\n\n        var radius = this.radius;\n        var phiStart = this.phiStart;\n        var phiLength = this.phiLength;\n        var thetaStart = this.thetaStart;\n        var thetaLength = this.thetaLength;\n        var radius = this.radius;\n\n        var pos = [];\n        var uv = [];\n        var offset = 0;\n        var divider = 1 / radius;\n        for (j = 0; j <= heightSegments; j ++) {\n            for (i = 0; i <= widthSegments; i ++) {\n                u = i / widthSegments;\n                v = j / heightSegments;\n\n                // X axis is inverted so texture can be mapped from left to right\n                x = -radius * Math.cos(phiStart + u * phiLength) * Math.sin(thetaStart + v * thetaLength);\n                y = radius * Math.cos(thetaStart + v * thetaLength);\n                z = radius * Math.sin(phiStart + u * phiLength) * Math.sin(thetaStart + v * thetaLength);\n\n                pos[0] = x; pos[1] = y; pos[2] = z;\n                uv[0] = u; uv[1] = v;\n                positionAttr.set(offset, pos);\n                texcoordAttr.set(offset, uv);\n                pos[0] *= divider;\n                pos[1] *= divider;\n                pos[2] *= divider;\n                normalAttr.set(offset, pos);\n                offset++;\n            }\n        }\n\n        var i1, i2, i3, i4;\n\n        var len = widthSegments + 1;\n\n        var n = 0;\n        for (j = 0; j < heightSegments; j ++) {\n            for (i = 0; i < widthSegments; i ++) {\n                i2 = j * len + i;\n                i1 = (j * len + i + 1);\n                i4 = (j + 1) * len + i + 1;\n                i3 = (j + 1) * len + i;\n\n                indices[n++] = i1;\n                indices[n++] = i2;\n                indices[n++] = i4;\n\n                indices[n++] = i2;\n                indices[n++] = i3;\n                indices[n++] = i4;\n            }\n        }\n\n        this.boundingBox = new BoundingBox();\n        this.boundingBox.max.set(radius, radius, radius);\n        this.boundingBox.min.set(-radius, -radius, -radius);\n    }\n});\n\nexport default Sphere;\n","import Light from '../Light';\n\n/**\n * @constructor clay.light.Ambient\n * @extends clay.Light\n */\nvar AmbientLight = Light.extend({\n\n    castShadow: false\n\n}, {\n\n    type: 'AMBIENT_LIGHT',\n\n    uniformTemplates: {\n        ambientLightColor: {\n            type: '3f',\n            value: function(instance) {\n                var color = instance.color;\n                var intensity = instance.intensity;\n                return [color[0]*intensity, color[1]*intensity, color[2]*intensity];\n            }\n        }\n    }\n    /**\n     * @function\n     * @name clone\n     * @return {clay.light.Ambient}\n     * @memberOf clay.light.Ambient.prototype\n     */\n});\n\nexport default AmbientLight;\n","import Light from '../Light';\nimport Vector3 from '../math/Vector3';\n\n/**\n * @constructor clay.light.Directional\n * @extends clay.Light\n *\n * @example\n *     var light = new clay.light.Directional({\n *         intensity: 0.5,\n *         color: [1.0, 0.0, 0.0]\n *     });\n *     light.position.set(10, 10, 10);\n *     light.lookAt(clay.Vector3.ZERO);\n *     scene.add(light);\n */\nvar DirectionalLight = Light.extend(/** @lends clay.light.Directional# */ {\n    /**\n     * @type {number}\n     */\n    shadowBias: 0.001,\n    /**\n     * @type {number}\n     */\n    shadowSlopeScale: 2.0,\n    /**\n     * Shadow cascade.\n     * Use PSSM technique when it is larger than 1 and have a unique directional light in scene.\n     * @type {number}\n     */\n    shadowCascade: 1,\n\n    /**\n     * Available when shadowCascade is larger than 1 and have a unique directional light in scene.\n     * @type {number}\n     */\n    cascadeSplitLogFactor: 0.2\n}, {\n\n    type: 'DIRECTIONAL_LIGHT',\n\n    uniformTemplates: {\n        directionalLightDirection: {\n            type: '3f',\n            value: function (instance) {\n                instance.__dir = instance.__dir || new Vector3();\n                // Direction is target to eye\n                return instance.__dir.copy(instance.worldTransform.z).normalize().negate().array;\n            }\n        },\n        directionalLightColor: {\n            type: '3f',\n            value: function (instance) {\n                var color = instance.color;\n                var intensity = instance.intensity;\n                return [color[0] * intensity, color[1] * intensity, color[2] * intensity];\n            }\n        }\n    },\n    /**\n     * @return {clay.light.Directional}\n     * @memberOf clay.light.Directional.prototype\n     */\n    clone: function () {\n        var light = Light.prototype.clone.call(this);\n        light.shadowBias = this.shadowBias;\n        light.shadowSlopeScale = this.shadowSlopeScale;\n        return light;\n    }\n});\n\nexport default DirectionalLight;\n","import Light from '../Light';\n\n/**\n * @constructor clay.light.Point\n * @extends clay.Light\n */\nvar PointLight = Light.extend(/** @lends clay.light.Point# */ {\n    /**\n     * @type {number}\n     */\n    range: 100,\n\n    /**\n     * @type {number}\n     */\n    castShadow: false\n}, {\n\n    type: 'POINT_LIGHT',\n\n    uniformTemplates: {\n        pointLightPosition: {\n            type: '3f',\n            value: function(instance) {\n                return instance.getWorldPosition().array;\n            }\n        },\n        pointLightRange: {\n            type: '1f',\n            value: function(instance) {\n                return instance.range;\n            }\n        },\n        pointLightColor: {\n            type: '3f',\n            value: function(instance) {\n                var color = instance.color;\n                var intensity = instance.intensity;\n                return [color[0] * intensity, color[1] * intensity, color[2] * intensity];\n            }\n        }\n    },\n    /**\n     * @return {clay.light.Point}\n     * @memberOf clay.light.Point.prototype\n     */\n    clone: function() {\n        var light = Light.prototype.clone.call(this);\n        light.range = this.range;\n        return light;\n    }\n});\n\nexport default PointLight;\n","import Light from '../Light';\nimport Vector3 from '../math/Vector3';\n\n/**\n * @constructor clay.light.Spot\n * @extends clay.Light\n */\nvar SpotLight = Light.extend(/**@lends clay.light.Spot */ {\n    /**\n     * @type {number}\n     */\n    range: 20,\n    /**\n     * @type {number}\n     */\n    umbraAngle: 30,\n    /**\n     * @type {number}\n     */\n    penumbraAngle: 45,\n    /**\n     * @type {number}\n     */\n    falloffFactor: 2.0,\n    /**\n     * @type {number}\n     */\n    shadowBias: 0.001,\n    /**\n     * @type {number}\n     */\n    shadowSlopeScale: 2.0\n}, {\n\n    type: 'SPOT_LIGHT',\n\n    uniformTemplates: {\n        spotLightPosition: {\n            type: '3f',\n            value: function (instance) {\n                return instance.getWorldPosition().array;\n            }\n        },\n        spotLightRange: {\n            type: '1f',\n            value: function (instance) {\n                return instance.range;\n            }\n        },\n        spotLightUmbraAngleCosine: {\n            type: '1f',\n            value: function (instance) {\n                return Math.cos(instance.umbraAngle * Math.PI / 180);\n            }\n        },\n        spotLightPenumbraAngleCosine: {\n            type: '1f',\n            value: function (instance) {\n                return Math.cos(instance.penumbraAngle * Math.PI / 180);\n            }\n        },\n        spotLightFalloffFactor: {\n            type: '1f',\n            value: function (instance) {\n                return instance.falloffFactor;\n            }\n        },\n        spotLightDirection: {\n            type: '3f',\n            value: function (instance) {\n                instance.__dir = instance.__dir || new Vector3();\n                // Direction is target to eye\n                return instance.__dir.copy(instance.worldTransform.z).negate().array;\n            }\n        },\n        spotLightColor: {\n            type: '3f',\n            value: function (instance) {\n                var color = instance.color;\n                var intensity = instance.intensity;\n                return [color[0] * intensity, color[1] * intensity, color[2] * intensity];\n            }\n        }\n    },\n    /**\n     * @return {clay.light.Spot}\n     * @memberOf clay.light.Spot.prototype\n     */\n    clone: function () {\n        var light = Light.prototype.clone.call(this);\n        light.range = this.range;\n        light.umbraAngle = this.umbraAngle;\n        light.penumbraAngle = this.penumbraAngle;\n        light.falloffFactor = this.falloffFactor;\n        light.shadowBias = this.shadowBias;\n        light.shadowSlopeScale = this.shadowSlopeScale;\n        return light;\n    }\n});\n\nexport default SpotLight;\n","import vec4 from '../glmatrix/vec4';\n\n/**\n * @constructor\n * @alias clay.Vector4\n * @param {number} x\n * @param {number} y\n * @param {number} z\n * @param {number} w\n */\nvar Vector4 = function(x, y, z, w) {\n\n    x = x || 0;\n    y = y || 0;\n    z = z || 0;\n    w = w || 0;\n\n    /**\n     * Storage of Vector4, read and write of x, y, z, w will change the values in array\n     * All methods also operate on the array instead of x, y, z, w components\n     * @name array\n     * @type {Float32Array}\n     * @memberOf clay.Vector4#\n     */\n    this.array = vec4.fromValues(x, y, z, w);\n\n    /**\n     * Dirty flag is used by the Node to determine\n     * if the matrix is updated to latest\n     * @name _dirty\n     * @type {boolean}\n     * @memberOf clay.Vector4#\n     */\n    this._dirty = true;\n};\n\nVector4.prototype = {\n\n    constructor: Vector4,\n\n    /**\n     * Add b to self\n     * @param  {clay.Vector4} b\n     * @return {clay.Vector4}\n     */\n    add: function(b) {\n        vec4.add(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set x, y and z components\n     * @param  {number}  x\n     * @param  {number}  y\n     * @param  {number}  z\n     * @param  {number}  w\n     * @return {clay.Vector4}\n     */\n    set: function(x, y, z, w) {\n        this.array[0] = x;\n        this.array[1] = y;\n        this.array[2] = z;\n        this.array[3] = w;\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set x, y, z and w components from array\n     * @param  {Float32Array|number[]} arr\n     * @return {clay.Vector4}\n     */\n    setArray: function(arr) {\n        this.array[0] = arr[0];\n        this.array[1] = arr[1];\n        this.array[2] = arr[2];\n        this.array[3] = arr[3];\n\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Clone a new Vector4\n     * @return {clay.Vector4}\n     */\n    clone: function() {\n        return new Vector4(this.x, this.y, this.z, this.w);\n    },\n\n    /**\n     * Copy from b\n     * @param  {clay.Vector4} b\n     * @return {clay.Vector4}\n     */\n    copy: function(b) {\n        vec4.copy(this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for distance\n     * @param  {clay.Vector4} b\n     * @return {number}\n     */\n    dist: function(b) {\n        return vec4.dist(this.array, b.array);\n    },\n\n    /**\n     * Distance between self and b\n     * @param  {clay.Vector4} b\n     * @return {number}\n     */\n    distance: function(b) {\n        return vec4.distance(this.array, b.array);\n    },\n\n    /**\n     * Alias for divide\n     * @param  {clay.Vector4} b\n     * @return {clay.Vector4}\n     */\n    div: function(b) {\n        vec4.div(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Divide self by b\n     * @param  {clay.Vector4} b\n     * @return {clay.Vector4}\n     */\n    divide: function(b) {\n        vec4.divide(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Dot product of self and b\n     * @param  {clay.Vector4} b\n     * @return {number}\n     */\n    dot: function(b) {\n        return vec4.dot(this.array, b.array);\n    },\n\n    /**\n     * Alias of length\n     * @return {number}\n     */\n    len: function() {\n        return vec4.len(this.array);\n    },\n\n    /**\n     * Calculate the length\n     * @return {number}\n     */\n    length: function() {\n        return vec4.length(this.array);\n    },\n    /**\n     * Linear interpolation between a and b\n     * @param  {clay.Vector4} a\n     * @param  {clay.Vector4} b\n     * @param  {number}  t\n     * @return {clay.Vector4}\n     */\n    lerp: function(a, b, t) {\n        vec4.lerp(this.array, a.array, b.array, t);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Minimum of self and b\n     * @param  {clay.Vector4} b\n     * @return {clay.Vector4}\n     */\n    min: function(b) {\n        vec4.min(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Maximum of self and b\n     * @param  {clay.Vector4} b\n     * @return {clay.Vector4}\n     */\n    max: function(b) {\n        vec4.max(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for multiply\n     * @param  {clay.Vector4} b\n     * @return {clay.Vector4}\n     */\n    mul: function(b) {\n        vec4.mul(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Mutiply self and b\n     * @param  {clay.Vector4} b\n     * @return {clay.Vector4}\n     */\n    multiply: function(b) {\n        vec4.multiply(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Negate self\n     * @return {clay.Vector4}\n     */\n    negate: function() {\n        vec4.negate(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Normalize self\n     * @return {clay.Vector4}\n     */\n    normalize: function() {\n        vec4.normalize(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Generate random x, y, z, w components with a given scale\n     * @param  {number} scale\n     * @return {clay.Vector4}\n     */\n    random: function(scale) {\n        vec4.random(this.array, scale);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Scale self\n     * @param  {number}  scale\n     * @return {clay.Vector4}\n     */\n    scale: function(s) {\n        vec4.scale(this.array, this.array, s);\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Scale b and add to self\n     * @param  {clay.Vector4} b\n     * @param  {number}  scale\n     * @return {clay.Vector4}\n     */\n    scaleAndAdd: function(b, s) {\n        vec4.scaleAndAdd(this.array, this.array, b.array, s);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for squaredDistance\n     * @param  {clay.Vector4} b\n     * @return {number}\n     */\n    sqrDist: function(b) {\n        return vec4.sqrDist(this.array, b.array);\n    },\n\n    /**\n     * Squared distance between self and b\n     * @param  {clay.Vector4} b\n     * @return {number}\n     */\n    squaredDistance: function(b) {\n        return vec4.squaredDistance(this.array, b.array);\n    },\n\n    /**\n     * Alias for squaredLength\n     * @return {number}\n     */\n    sqrLen: function() {\n        return vec4.sqrLen(this.array);\n    },\n\n    /**\n     * Squared length of self\n     * @return {number}\n     */\n    squaredLength: function() {\n        return vec4.squaredLength(this.array);\n    },\n\n    /**\n     * Alias for subtract\n     * @param  {clay.Vector4} b\n     * @return {clay.Vector4}\n     */\n    sub: function(b) {\n        vec4.sub(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Subtract b from self\n     * @param  {clay.Vector4} b\n     * @return {clay.Vector4}\n     */\n    subtract: function(b) {\n        vec4.subtract(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Transform self with a Matrix4 m\n     * @param  {clay.Matrix4} m\n     * @return {clay.Vector4}\n     */\n    transformMat4: function(m) {\n        vec4.transformMat4(this.array, this.array, m.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Transform self with a Quaternion q\n     * @param  {clay.Quaternion} q\n     * @return {clay.Vector4}\n     */\n    transformQuat: function(q) {\n        vec4.transformQuat(this.array, this.array, q.array);\n        this._dirty = true;\n        return this;\n    },\n\n    toString: function() {\n        return '[' + Array.prototype.join.call(this.array, ',') + ']';\n    },\n\n    toArray: function () {\n        return Array.prototype.slice.call(this.array);\n    }\n};\n\nvar defineProperty = Object.defineProperty;\n// Getter and Setter\nif (defineProperty) {\n\n    var proto = Vector4.prototype;\n    /**\n     * @name x\n     * @type {number}\n     * @memberOf clay.Vector4\n     * @instance\n     */\n    defineProperty(proto, 'x', {\n        get: function () {\n            return this.array[0];\n        },\n        set: function (value) {\n            this.array[0] = value;\n            this._dirty = true;\n        }\n    });\n\n    /**\n     * @name y\n     * @type {number}\n     * @memberOf clay.Vector4\n     * @instance\n     */\n    defineProperty(proto, 'y', {\n        get: function () {\n            return this.array[1];\n        },\n        set: function (value) {\n            this.array[1] = value;\n            this._dirty = true;\n        }\n    });\n\n    /**\n     * @name z\n     * @type {number}\n     * @memberOf clay.Vector4\n     * @instance\n     */\n    defineProperty(proto, 'z', {\n        get: function () {\n            return this.array[2];\n        },\n        set: function (value) {\n            this.array[2] = value;\n            this._dirty = true;\n        }\n    });\n\n    /**\n     * @name w\n     * @type {number}\n     * @memberOf clay.Vector4\n     * @instance\n     */\n    defineProperty(proto, 'w', {\n        get: function () {\n            return this.array[3];\n        },\n        set: function (value) {\n            this.array[3] = value;\n            this._dirty = true;\n        }\n    });\n}\n\n// Supply methods that are not in place\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {clay.Vector4}\n */\nVector4.add = function(out, a, b) {\n    vec4.add(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector4} out\n * @param  {number}  x\n * @param  {number}  y\n * @param  {number}  z\n * @return {clay.Vector4}\n */\nVector4.set = function(out, x, y, z, w) {\n    vec4.set(out.array, x, y, z, w);\n    out._dirty = true;\n};\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} b\n * @return {clay.Vector4}\n */\nVector4.copy = function(out, b) {\n    vec4.copy(out.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {number}\n */\nVector4.dist = function(a, b) {\n    return vec4.distance(a.array, b.array);\n};\n\n/**\n * @function\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {number}\n */\nVector4.distance = Vector4.dist;\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {clay.Vector4}\n */\nVector4.div = function(out, a, b) {\n    vec4.divide(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @function\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {clay.Vector4}\n */\nVector4.divide = Vector4.div;\n\n/**\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {number}\n */\nVector4.dot = function(a, b) {\n    return vec4.dot(a.array, b.array);\n};\n\n/**\n * @param  {clay.Vector4} a\n * @return {number}\n */\nVector4.len = function(b) {\n    return vec4.length(b.array);\n};\n\n// Vector4.length = Vector4.len;\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @param  {number}  t\n * @return {clay.Vector4}\n */\nVector4.lerp = function(out, a, b, t) {\n    vec4.lerp(out.array, a.array, b.array, t);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {clay.Vector4}\n */\nVector4.min = function(out, a, b) {\n    vec4.min(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {clay.Vector4}\n */\nVector4.max = function(out, a, b) {\n    vec4.max(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {clay.Vector4}\n */\nVector4.mul = function(out, a, b) {\n    vec4.multiply(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @function\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {clay.Vector4}\n */\nVector4.multiply = Vector4.mul;\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @return {clay.Vector4}\n */\nVector4.negate = function(out, a) {\n    vec4.negate(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @return {clay.Vector4}\n */\nVector4.normalize = function(out, a) {\n    vec4.normalize(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector4} out\n * @param  {number}  scale\n * @return {clay.Vector4}\n */\nVector4.random = function(out, scale) {\n    vec4.random(out.array, scale);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {number}  scale\n * @return {clay.Vector4}\n */\nVector4.scale = function(out, a, scale) {\n    vec4.scale(out.array, a.array, scale);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @param  {number}  scale\n * @return {clay.Vector4}\n */\nVector4.scaleAndAdd = function(out, a, b, scale) {\n    vec4.scaleAndAdd(out.array, a.array, b.array, scale);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {number}\n */\nVector4.sqrDist = function(a, b) {\n    return vec4.sqrDist(a.array, b.array);\n};\n\n/**\n * @function\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {number}\n */\nVector4.squaredDistance = Vector4.sqrDist;\n\n/**\n * @param  {clay.Vector4} a\n * @return {number}\n */\nVector4.sqrLen = function(a) {\n    return vec4.sqrLen(a.array);\n};\n/**\n * @function\n * @param  {clay.Vector4} a\n * @return {number}\n */\nVector4.squaredLength = Vector4.sqrLen;\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {clay.Vector4}\n */\nVector4.sub = function(out, a, b) {\n    vec4.subtract(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @function\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Vector4} b\n * @return {clay.Vector4}\n */\nVector4.subtract = Vector4.sub;\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Matrix4} m\n * @return {clay.Vector4}\n */\nVector4.transformMat4 = function(out, a, m) {\n    vec4.transformMat4(out.array, a.array, m.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Vector4} out\n * @param  {clay.Vector4} a\n * @param  {clay.Quaternion} q\n * @return {clay.Vector4}\n */\nVector4.transformQuat = function(out, a, q) {\n    vec4.transformQuat(out.array, a.array, q.array);\n    out._dirty = true;\n    return out;\n};\n\nexport default Vector4;\n","\n\n/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.\n\nRedistribution and use in source and binary forms, with or without modification,\nare permitted provided that the following conditions are met:\n\n  * Redistributions of source code must retain the above copyright notice, this\n    list of conditions and the following disclaimer.\n  * Redistributions in binary form must reproduce the above copyright notice,\n    this list of conditions and the following disclaimer in the documentation\n    and/or other materials provided with the distribution.\n\nTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\nANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\nWARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\nDISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR\nANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\nLOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\nANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\nSOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */\n\nimport { GLMAT_ARRAY_TYPE } from './common';\n\n/**\n * @class 2x2 Matrix\n * @name mat2\n */\n\nvar mat2 = {};\n\n/**\n * Creates a new identity mat2\n *\n * @returns {mat2} a new 2x2 matrix\n */\nmat2.create = function() {\n    var out = new GLMAT_ARRAY_TYPE(4);\n    out[0] = 1;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 1;\n    return out;\n};\n\n/**\n * Creates a new mat2 initialized with values from an existing matrix\n *\n * @param {mat2} a matrix to clone\n * @returns {mat2} a new 2x2 matrix\n */\nmat2.clone = function(a) {\n    var out = new GLMAT_ARRAY_TYPE(4);\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[3];\n    return out;\n};\n\n/**\n * Copy the values from one mat2 to another\n *\n * @param {mat2} out the receiving matrix\n * @param {mat2} a the source matrix\n * @returns {mat2} out\n */\nmat2.copy = function(out, a) {\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[3];\n    return out;\n};\n\n/**\n * Set a mat2 to the identity matrix\n *\n * @param {mat2} out the receiving matrix\n * @returns {mat2} out\n */\nmat2.identity = function(out) {\n    out[0] = 1;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 1;\n    return out;\n};\n\n/**\n * Transpose the values of a mat2\n *\n * @param {mat2} out the receiving matrix\n * @param {mat2} a the source matrix\n * @returns {mat2} out\n */\nmat2.transpose = function(out, a) {\n    // If we are transposing ourselves we can skip a few steps but have to cache some values\n    if (out === a) {\n        var a1 = a[1];\n        out[1] = a[2];\n        out[2] = a1;\n    } else {\n        out[0] = a[0];\n        out[1] = a[2];\n        out[2] = a[1];\n        out[3] = a[3];\n    }\n\n    return out;\n};\n\n/**\n * Inverts a mat2\n *\n * @param {mat2} out the receiving matrix\n * @param {mat2} a the source matrix\n * @returns {mat2} out\n */\nmat2.invert = function(out, a) {\n    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],\n\n        // Calculate the determinant\n        det = a0 * a3 - a2 * a1;\n\n    if (!det) {\n        return null;\n    }\n    det = 1.0 / det;\n\n    out[0] =  a3 * det;\n    out[1] = -a1 * det;\n    out[2] = -a2 * det;\n    out[3] =  a0 * det;\n\n    return out;\n};\n\n/**\n * Calculates the adjugate of a mat2\n *\n * @param {mat2} out the receiving matrix\n * @param {mat2} a the source matrix\n * @returns {mat2} out\n */\nmat2.adjoint = function(out, a) {\n    // Caching this value is nessecary if out == a\n    var a0 = a[0];\n    out[0] =  a[3];\n    out[1] = -a[1];\n    out[2] = -a[2];\n    out[3] =  a0;\n\n    return out;\n};\n\n/**\n * Calculates the determinant of a mat2\n *\n * @param {mat2} a the source matrix\n * @returns {Number} determinant of a\n */\nmat2.determinant = function (a) {\n    return a[0] * a[3] - a[2] * a[1];\n};\n\n/**\n * Multiplies two mat2's\n *\n * @param {mat2} out the receiving matrix\n * @param {mat2} a the first operand\n * @param {mat2} b the second operand\n * @returns {mat2} out\n */\nmat2.multiply = function (out, a, b) {\n    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3];\n    var b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3];\n    out[0] = a0 * b0 + a2 * b1;\n    out[1] = a1 * b0 + a3 * b1;\n    out[2] = a0 * b2 + a2 * b3;\n    out[3] = a1 * b2 + a3 * b3;\n    return out;\n};\n\n/**\n * Alias for {@link mat2.multiply}\n * @function\n */\nmat2.mul = mat2.multiply;\n\n/**\n * Rotates a mat2 by the given angle\n *\n * @param {mat2} out the receiving matrix\n * @param {mat2} a the matrix to rotate\n * @param {Number} rad the angle to rotate the matrix by\n * @returns {mat2} out\n */\nmat2.rotate = function (out, a, rad) {\n    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],\n        s = Math.sin(rad),\n        c = Math.cos(rad);\n    out[0] = a0 *  c + a2 * s;\n    out[1] = a1 *  c + a3 * s;\n    out[2] = a0 * -s + a2 * c;\n    out[3] = a1 * -s + a3 * c;\n    return out;\n};\n\n/**\n * Scales the mat2 by the dimensions in the given vec2\n *\n * @param {mat2} out the receiving matrix\n * @param {mat2} a the matrix to rotate\n * @param {vec2} v the vec2 to scale the matrix by\n * @returns {mat2} out\n **/\nmat2.scale = function(out, a, v) {\n    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3],\n        v0 = v[0], v1 = v[1];\n    out[0] = a0 * v0;\n    out[1] = a1 * v0;\n    out[2] = a2 * v1;\n    out[3] = a3 * v1;\n    return out;\n};\n\n/**\n * Returns Frobenius norm of a mat2\n *\n * @param {mat2} a the matrix to calculate Frobenius norm of\n * @returns {Number} Frobenius norm\n */\nmat2.frob = function (a) {\n    return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2)))\n};\n\n/**\n * Returns L, D and U matrices (Lower triangular, Diagonal and Upper triangular) by factorizing the input matrix\n * @param {mat2} L the lower triangular matrix\n * @param {mat2} D the diagonal matrix\n * @param {mat2} U the upper triangular matrix\n * @param {mat2} a the input matrix to factorize\n */\n\nmat2.LDU = function (L, D, U, a) {\n    L[2] = a[2]/a[0];\n    U[0] = a[0];\n    U[1] = a[1];\n    U[3] = a[3] - L[2] * U[1];\n    return [L, D, U];\n};\n\n\nexport default mat2;","import mat2 from '../glmatrix/mat2';\n\n/**\n * @constructor\n * @alias clay.Matrix2\n */\nvar Matrix2 = function() {\n\n    /**\n     * Storage of Matrix2\n     * @name array\n     * @type {Float32Array}\n     * @memberOf clay.Matrix2#\n     */\n    this.array = mat2.create();\n\n    /**\n     * @name _dirty\n     * @type {boolean}\n     * @memberOf clay.Matrix2#\n     */\n    this._dirty = true;\n};\n\nMatrix2.prototype = {\n\n    constructor: Matrix2,\n\n    /**\n     * Set components from array\n     * @param  {Float32Array|number[]} arr\n     */\n    setArray: function (arr) {\n        for (var i = 0; i < this.array.length; i++) {\n            this.array[i] = arr[i];\n        }\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Clone a new Matrix2\n     * @return {clay.Matrix2}\n     */\n    clone: function() {\n        return (new Matrix2()).copy(this);\n    },\n\n    /**\n     * Copy from b\n     * @param  {clay.Matrix2} b\n     * @return {clay.Matrix2}\n     */\n    copy: function(b) {\n        mat2.copy(this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Calculate the adjugate of self, in-place\n     * @return {clay.Matrix2}\n     */\n    adjoint: function() {\n        mat2.adjoint(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Calculate matrix determinant\n     * @return {number}\n     */\n    determinant: function() {\n        return mat2.determinant(this.array);\n    },\n\n    /**\n     * Set to a identity matrix\n     * @return {clay.Matrix2}\n     */\n    identity: function() {\n        mat2.identity(this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Invert self\n     * @return {clay.Matrix2}\n     */\n    invert: function() {\n        mat2.invert(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for mutiply\n     * @param  {clay.Matrix2} b\n     * @return {clay.Matrix2}\n     */\n    mul: function(b) {\n        mat2.mul(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for multiplyLeft\n     * @param  {clay.Matrix2} a\n     * @return {clay.Matrix2}\n     */\n    mulLeft: function(a) {\n        mat2.mul(this.array, a.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Multiply self and b\n     * @param  {clay.Matrix2} b\n     * @return {clay.Matrix2}\n     */\n    multiply: function(b) {\n        mat2.multiply(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Multiply a and self, a is on the left\n     * @param  {clay.Matrix2} a\n     * @return {clay.Matrix2}\n     */\n    multiplyLeft: function(a) {\n        mat2.multiply(this.array, a.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Rotate self by a given radian\n     * @param  {number}   rad\n     * @return {clay.Matrix2}\n     */\n    rotate: function(rad) {\n        mat2.rotate(this.array, this.array, rad);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Scale self by s\n     * @param  {clay.Vector2}  s\n     * @return {clay.Matrix2}\n     */\n    scale: function(v) {\n        mat2.scale(this.array, this.array, v.array);\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Transpose self, in-place.\n     * @return {clay.Matrix2}\n     */\n    transpose: function() {\n        mat2.transpose(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    toString: function() {\n        return '[' + Array.prototype.join.call(this.array, ',') + ']';\n    },\n\n    toArray: function () {\n        return Array.prototype.slice.call(this.array);\n    }\n};\n\n/**\n * @param  {Matrix2} out\n * @param  {Matrix2} a\n * @return {Matrix2}\n */\nMatrix2.adjoint = function(out, a) {\n    mat2.adjoint(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix2} out\n * @param  {clay.Matrix2} a\n * @return {clay.Matrix2}\n */\nMatrix2.copy = function(out, a) {\n    mat2.copy(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix2} a\n * @return {number}\n */\nMatrix2.determinant = function(a) {\n    return mat2.determinant(a.array);\n};\n\n/**\n * @param  {clay.Matrix2} out\n * @return {clay.Matrix2}\n */\nMatrix2.identity = function(out) {\n    mat2.identity(out.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix2} out\n * @param  {clay.Matrix2} a\n * @return {clay.Matrix2}\n */\nMatrix2.invert = function(out, a) {\n    mat2.invert(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix2} out\n * @param  {clay.Matrix2} a\n * @param  {clay.Matrix2} b\n * @return {clay.Matrix2}\n */\nMatrix2.mul = function(out, a, b) {\n    mat2.mul(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @function\n * @param  {clay.Matrix2} out\n * @param  {clay.Matrix2} a\n * @param  {clay.Matrix2} b\n * @return {clay.Matrix2}\n */\nMatrix2.multiply = Matrix2.mul;\n\n/**\n * @param  {clay.Matrix2} out\n * @param  {clay.Matrix2} a\n * @param  {number}   rad\n * @return {clay.Matrix2}\n */\nMatrix2.rotate = function(out, a, rad) {\n    mat2.rotate(out.array, a.array, rad);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix2} out\n * @param  {clay.Matrix2} a\n * @param  {clay.Vector2}  v\n * @return {clay.Matrix2}\n */\nMatrix2.scale = function(out, a, v) {\n    mat2.scale(out.array, a.array, v.array);\n    out._dirty = true;\n    return out;\n};\n/**\n * @param  {Matrix2} out\n * @param  {Matrix2} a\n * @return {Matrix2}\n */\nMatrix2.transpose = function(out, a) {\n    mat2.transpose(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\nexport default Matrix2;\n","\n/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.\n\nRedistribution and use in source and binary forms, with or without modification,\nare permitted provided that the following conditions are met:\n\n  * Redistributions of source code must retain the above copyright notice, this\n    list of conditions and the following disclaimer.\n  * Redistributions in binary form must reproduce the above copyright notice,\n    this list of conditions and the following disclaimer in the documentation\n    and/or other materials provided with the distribution.\n\nTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\nANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\nWARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\nDISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR\nANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\nLOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\nANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\nSOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */\n\nimport { GLMAT_ARRAY_TYPE } from './common';\n\n/**\n * @class 2x3 Matrix\n * @name mat2d\n *\n * @description\n * A mat2d contains six elements defined as:\n * <pre>\n * [a, c, tx,\n *  b, d, ty]\n * </pre>\n * This is a short form for the 3x3 matrix:\n * <pre>\n * [a, c, tx,\n *  b, d, ty,\n *  0, 0, 1]\n * </pre>\n * The last row is ignored so the array is shorter and operations are faster.\n */\n\nvar mat2d = {};\n\n/**\n * Creates a new identity mat2d\n *\n * @returns {mat2d} a new 2x3 matrix\n */\nmat2d.create = function() {\n    var out = new GLMAT_ARRAY_TYPE(6);\n    out[0] = 1;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 1;\n    out[4] = 0;\n    out[5] = 0;\n    return out;\n};\n\n/**\n * Creates a new mat2d initialized with values from an existing matrix\n *\n * @param {mat2d} a matrix to clone\n * @returns {mat2d} a new 2x3 matrix\n */\nmat2d.clone = function(a) {\n    var out = new GLMAT_ARRAY_TYPE(6);\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[3];\n    out[4] = a[4];\n    out[5] = a[5];\n    return out;\n};\n\n/**\n * Copy the values from one mat2d to another\n *\n * @param {mat2d} out the receiving matrix\n * @param {mat2d} a the source matrix\n * @returns {mat2d} out\n */\nmat2d.copy = function(out, a) {\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[3];\n    out[4] = a[4];\n    out[5] = a[5];\n    return out;\n};\n\n/**\n * Set a mat2d to the identity matrix\n *\n * @param {mat2d} out the receiving matrix\n * @returns {mat2d} out\n */\nmat2d.identity = function(out) {\n    out[0] = 1;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 1;\n    out[4] = 0;\n    out[5] = 0;\n    return out;\n};\n\n/**\n * Inverts a mat2d\n *\n * @param {mat2d} out the receiving matrix\n * @param {mat2d} a the source matrix\n * @returns {mat2d} out\n */\nmat2d.invert = function(out, a) {\n    var aa = a[0], ab = a[1], ac = a[2], ad = a[3],\n        atx = a[4], aty = a[5];\n\n    var det = aa * ad - ab * ac;\n    if(!det){\n        return null;\n    }\n    det = 1.0 / det;\n\n    out[0] = ad * det;\n    out[1] = -ab * det;\n    out[2] = -ac * det;\n    out[3] = aa * det;\n    out[4] = (ac * aty - ad * atx) * det;\n    out[5] = (ab * atx - aa * aty) * det;\n    return out;\n};\n\n/**\n * Calculates the determinant of a mat2d\n *\n * @param {mat2d} a the source matrix\n * @returns {Number} determinant of a\n */\nmat2d.determinant = function (a) {\n    return a[0] * a[3] - a[1] * a[2];\n};\n\n/**\n * Multiplies two mat2d's\n *\n * @param {mat2d} out the receiving matrix\n * @param {mat2d} a the first operand\n * @param {mat2d} b the second operand\n * @returns {mat2d} out\n */\nmat2d.multiply = function (out, a, b) {\n    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],\n        b0 = b[0], b1 = b[1], b2 = b[2], b3 = b[3], b4 = b[4], b5 = b[5];\n    out[0] = a0 * b0 + a2 * b1;\n    out[1] = a1 * b0 + a3 * b1;\n    out[2] = a0 * b2 + a2 * b3;\n    out[3] = a1 * b2 + a3 * b3;\n    out[4] = a0 * b4 + a2 * b5 + a4;\n    out[5] = a1 * b4 + a3 * b5 + a5;\n    return out;\n};\n\n/**\n * Alias for {@link mat2d.multiply}\n * @function\n */\nmat2d.mul = mat2d.multiply;\n\n\n/**\n * Rotates a mat2d by the given angle\n *\n * @param {mat2d} out the receiving matrix\n * @param {mat2d} a the matrix to rotate\n * @param {Number} rad the angle to rotate the matrix by\n * @returns {mat2d} out\n */\nmat2d.rotate = function (out, a, rad) {\n    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],\n        s = Math.sin(rad),\n        c = Math.cos(rad);\n    out[0] = a0 *  c + a2 * s;\n    out[1] = a1 *  c + a3 * s;\n    out[2] = a0 * -s + a2 * c;\n    out[3] = a1 * -s + a3 * c;\n    out[4] = a4;\n    out[5] = a5;\n    return out;\n};\n\n/**\n * Scales the mat2d by the dimensions in the given vec2\n *\n * @param {mat2d} out the receiving matrix\n * @param {mat2d} a the matrix to translate\n * @param {vec2} v the vec2 to scale the matrix by\n * @returns {mat2d} out\n **/\nmat2d.scale = function(out, a, v) {\n    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],\n        v0 = v[0], v1 = v[1];\n    out[0] = a0 * v0;\n    out[1] = a1 * v0;\n    out[2] = a2 * v1;\n    out[3] = a3 * v1;\n    out[4] = a4;\n    out[5] = a5;\n    return out;\n};\n\n/**\n * Translates the mat2d by the dimensions in the given vec2\n *\n * @param {mat2d} out the receiving matrix\n * @param {mat2d} a the matrix to translate\n * @param {vec2} v the vec2 to translate the matrix by\n * @returns {mat2d} out\n **/\nmat2d.translate = function(out, a, v) {\n    var a0 = a[0], a1 = a[1], a2 = a[2], a3 = a[3], a4 = a[4], a5 = a[5],\n        v0 = v[0], v1 = v[1];\n    out[0] = a0;\n    out[1] = a1;\n    out[2] = a2;\n    out[3] = a3;\n    out[4] = a0 * v0 + a2 * v1 + a4;\n    out[5] = a1 * v0 + a3 * v1 + a5;\n    return out;\n};\n\n/**\n * Returns Frobenius norm of a mat2d\n *\n * @param {mat2d} a the matrix to calculate Frobenius norm of\n * @returns {Number} Frobenius norm\n */\nmat2d.frob = function (a) {\n    return(Math.sqrt(Math.pow(a[0], 2) + Math.pow(a[1], 2) + Math.pow(a[2], 2) + Math.pow(a[3], 2) + Math.pow(a[4], 2) + Math.pow(a[5], 2) + 1))\n};\n\n\nexport default mat2d;","import mat2d from '../glmatrix/mat2d';\n\n/**\n * @constructor\n * @alias clay.Matrix2d\n */\nvar Matrix2d = function() {\n    /**\n     * Storage of Matrix2d\n     * @name array\n     * @type {Float32Array}\n     * @memberOf clay.Matrix2d#\n     */\n    this.array = mat2d.create();\n\n    /**\n     * @name _dirty\n     * @type {boolean}\n     * @memberOf clay.Matrix2d#\n     */\n    this._dirty = true;\n};\n\nMatrix2d.prototype = {\n\n    constructor: Matrix2d,\n\n    /**\n     * Set components from array\n     * @param  {Float32Array|number[]} arr\n     */\n    setArray: function (arr) {\n        for (var i = 0; i < this.array.length; i++) {\n            this.array[i] = arr[i];\n        }\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Clone a new Matrix2d\n     * @return {clay.Matrix2d}\n     */\n    clone: function() {\n        return (new Matrix2d()).copy(this);\n    },\n\n    /**\n     * Copy from b\n     * @param  {clay.Matrix2d} b\n     * @return {clay.Matrix2d}\n     */\n    copy: function(b) {\n        mat2d.copy(this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Calculate matrix determinant\n     * @return {number}\n     */\n    determinant: function() {\n        return mat2d.determinant(this.array);\n    },\n\n    /**\n     * Set to a identity matrix\n     * @return {clay.Matrix2d}\n     */\n    identity: function() {\n        mat2d.identity(this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Invert self\n     * @return {clay.Matrix2d}\n     */\n    invert: function() {\n        mat2d.invert(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for mutiply\n     * @param  {clay.Matrix2d} b\n     * @return {clay.Matrix2d}\n     */\n    mul: function(b) {\n        mat2d.mul(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for multiplyLeft\n     * @param  {clay.Matrix2d} a\n     * @return {clay.Matrix2d}\n     */\n    mulLeft: function(b) {\n        mat2d.mul(this.array, b.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Multiply self and b\n     * @param  {clay.Matrix2d} b\n     * @return {clay.Matrix2d}\n     */\n    multiply: function(b) {\n        mat2d.multiply(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Multiply a and self, a is on the left\n     * @param  {clay.Matrix2d} a\n     * @return {clay.Matrix2d}\n     */\n    multiplyLeft: function(b) {\n        mat2d.multiply(this.array, b.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Rotate self by a given radian\n     * @param  {number}   rad\n     * @return {clay.Matrix2d}\n     */\n    rotate: function(rad) {\n        mat2d.rotate(this.array, this.array, rad);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Scale self by s\n     * @param  {clay.Vector2}  s\n     * @return {clay.Matrix2d}\n     */\n    scale: function(s) {\n        mat2d.scale(this.array, this.array, s.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Translate self by v\n     * @param  {clay.Vector2}  v\n     * @return {clay.Matrix2d}\n     */\n    translate: function(v) {\n        mat2d.translate(this.array, this.array, v.array);\n        this._dirty = true;\n        return this;\n    },\n\n    toString: function() {\n        return '[' + Array.prototype.join.call(this.array, ',') + ']';\n    },\n\n    toArray: function () {\n        return Array.prototype.slice.call(this.array);\n    }\n};\n\n/**\n * @param  {clay.Matrix2d} out\n * @param  {clay.Matrix2d} a\n * @return {clay.Matrix2d}\n */\nMatrix2d.copy = function(out, a) {\n    mat2d.copy(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix2d} a\n * @return {number}\n */\nMatrix2d.determinant = function(a) {\n    return mat2d.determinant(a.array);\n};\n\n/**\n * @param  {clay.Matrix2d} out\n * @return {clay.Matrix2d}\n */\nMatrix2d.identity = function(out) {\n    mat2d.identity(out.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix2d} out\n * @param  {clay.Matrix2d} a\n * @return {clay.Matrix2d}\n */\nMatrix2d.invert = function(out, a) {\n    mat2d.invert(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix2d} out\n * @param  {clay.Matrix2d} a\n * @param  {clay.Matrix2d} b\n * @return {clay.Matrix2d}\n */\nMatrix2d.mul = function(out, a, b) {\n    mat2d.mul(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @function\n * @param  {clay.Matrix2d} out\n * @param  {clay.Matrix2d} a\n * @param  {clay.Matrix2d} b\n * @return {clay.Matrix2d}\n */\nMatrix2d.multiply = Matrix2d.mul;\n\n/**\n * @param  {clay.Matrix2d} out\n * @param  {clay.Matrix2d} a\n * @param  {number}   rad\n * @return {clay.Matrix2d}\n */\nMatrix2d.rotate = function(out, a, rad) {\n    mat2d.rotate(out.array, a.array, rad);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix2d} out\n * @param  {clay.Matrix2d} a\n * @param  {clay.Vector2}  v\n * @return {clay.Matrix2d}\n */\nMatrix2d.scale = function(out, a, v) {\n    mat2d.scale(out.array, a.array, v.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix2d} out\n * @param  {clay.Matrix2d} a\n * @param  {clay.Vector2}  v\n * @return {clay.Matrix2d}\n */\nMatrix2d.translate = function(out, a, v) {\n    mat2d.translate(out.array, a.array, v.array);\n    out._dirty = true;\n    return out;\n};\n\nexport default Matrix2d;\n","import mat3 from '../glmatrix/mat3';\n\n/**\n * @constructor\n * @alias clay.Matrix3\n */\nvar Matrix3 = function () {\n\n    /**\n     * Storage of Matrix3\n     * @name array\n     * @type {Float32Array}\n     * @memberOf clay.Matrix3#\n     */\n    this.array = mat3.create();\n\n    /**\n     * @name _dirty\n     * @type {boolean}\n     * @memberOf clay.Matrix3#\n     */\n    this._dirty = true;\n};\n\nMatrix3.prototype = {\n\n    constructor: Matrix3,\n\n    /**\n     * Set components from array\n     * @param  {Float32Array|number[]} arr\n     */\n    setArray: function (arr) {\n        for (var i = 0; i < this.array.length; i++) {\n            this.array[i] = arr[i];\n        }\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Calculate the adjugate of self, in-place\n     * @return {clay.Matrix3}\n     */\n    adjoint: function () {\n        mat3.adjoint(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Clone a new Matrix3\n     * @return {clay.Matrix3}\n     */\n    clone: function () {\n        return (new Matrix3()).copy(this);\n    },\n\n    /**\n     * Copy from b\n     * @param  {clay.Matrix3} b\n     * @return {clay.Matrix3}\n     */\n    copy: function (b) {\n        mat3.copy(this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Calculate matrix determinant\n     * @return {number}\n     */\n    determinant: function () {\n        return mat3.determinant(this.array);\n    },\n\n    /**\n     * Copy the values from Matrix2d a\n     * @param  {clay.Matrix2d} a\n     * @return {clay.Matrix3}\n     */\n    fromMat2d: function (a) {\n        mat3.fromMat2d(this.array, a.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Copies the upper-left 3x3 values of Matrix4\n     * @param  {clay.Matrix4} a\n     * @return {clay.Matrix3}\n     */\n    fromMat4: function (a) {\n        mat3.fromMat4(this.array, a.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Calculates a rotation matrix from the given quaternion\n     * @param  {clay.Quaternion} q\n     * @return {clay.Matrix3}\n     */\n    fromQuat: function (q) {\n        mat3.fromQuat(this.array, q.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Set to a identity matrix\n     * @return {clay.Matrix3}\n     */\n    identity: function () {\n        mat3.identity(this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Invert self\n     * @return {clay.Matrix3}\n     */\n    invert: function () {\n        mat3.invert(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for mutiply\n     * @param  {clay.Matrix3} b\n     * @return {clay.Matrix3}\n     */\n    mul: function (b) {\n        mat3.mul(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Alias for multiplyLeft\n     * @param  {clay.Matrix3} a\n     * @return {clay.Matrix3}\n     */\n    mulLeft: function (a) {\n        mat3.mul(this.array, a.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Multiply self and b\n     * @param  {clay.Matrix3} b\n     * @return {clay.Matrix3}\n     */\n    multiply: function (b) {\n        mat3.multiply(this.array, this.array, b.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Multiply a and self, a is on the left\n     * @param  {clay.Matrix3} a\n     * @return {clay.Matrix3}\n     */\n    multiplyLeft: function (a) {\n        mat3.multiply(this.array, a.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Rotate self by a given radian\n     * @param  {number}   rad\n     * @return {clay.Matrix3}\n     */\n    rotate: function (rad) {\n        mat3.rotate(this.array, this.array, rad);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Scale self by s\n     * @param  {clay.Vector2}  s\n     * @return {clay.Matrix3}\n     */\n    scale: function (v) {\n        mat3.scale(this.array, this.array, v.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Translate self by v\n     * @param  {clay.Vector2}  v\n     * @return {clay.Matrix3}\n     */\n    translate: function (v) {\n        mat3.translate(this.array, this.array, v.array);\n        this._dirty = true;\n        return this;\n    },\n    /**\n     * Calculates a 3x3 normal matrix (transpose inverse) from the 4x4 matrix\n     * @param {clay.Matrix4} a\n     */\n    normalFromMat4: function (a) {\n        mat3.normalFromMat4(this.array, a.array);\n        this._dirty = true;\n        return this;\n    },\n\n    /**\n     * Transpose self, in-place.\n     * @return {clay.Matrix2}\n     */\n    transpose: function () {\n        mat3.transpose(this.array, this.array);\n        this._dirty = true;\n        return this;\n    },\n\n    toString: function () {\n        return '[' + Array.prototype.join.call(this.array, ',') + ']';\n    },\n\n    toArray: function () {\n        return Array.prototype.slice.call(this.array);\n    }\n};\n/**\n * @param  {clay.Matrix3} out\n * @param  {clay.Matrix3} a\n * @return {clay.Matrix3}\n */\nMatrix3.adjoint = function (out, a) {\n    mat3.adjoint(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix3} out\n * @param  {clay.Matrix3} a\n * @return {clay.Matrix3}\n */\nMatrix3.copy = function (out, a) {\n    mat3.copy(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix3} a\n * @return {number}\n */\nMatrix3.determinant = function (a) {\n    return mat3.determinant(a.array);\n};\n\n/**\n * @param  {clay.Matrix3} out\n * @return {clay.Matrix3}\n */\nMatrix3.identity = function (out) {\n    mat3.identity(out.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix3} out\n * @param  {clay.Matrix3} a\n * @return {clay.Matrix3}\n */\nMatrix3.invert = function (out, a) {\n    mat3.invert(out.array, a.array);\n    return out;\n};\n\n/**\n * @param  {clay.Matrix3} out\n * @param  {clay.Matrix3} a\n * @param  {clay.Matrix3} b\n * @return {clay.Matrix3}\n */\nMatrix3.mul = function (out, a, b) {\n    mat3.mul(out.array, a.array, b.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @function\n * @param  {clay.Matrix3} out\n * @param  {clay.Matrix3} a\n * @param  {clay.Matrix3} b\n * @return {clay.Matrix3}\n */\nMatrix3.multiply = Matrix3.mul;\n\n/**\n * @param  {clay.Matrix3}  out\n * @param  {clay.Matrix2d} a\n * @return {clay.Matrix3}\n */\nMatrix3.fromMat2d = function (out, a) {\n    mat3.fromMat2d(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix3} out\n * @param  {clay.Matrix4} a\n * @return {clay.Matrix3}\n */\nMatrix3.fromMat4 = function (out, a) {\n    mat3.fromMat4(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix3}    out\n * @param  {clay.Quaternion} a\n * @return {clay.Matrix3}\n */\nMatrix3.fromQuat = function (out, q) {\n    mat3.fromQuat(out.array, q.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix3} out\n * @param  {clay.Matrix4} a\n * @return {clay.Matrix3}\n */\nMatrix3.normalFromMat4 = function (out, a) {\n    mat3.normalFromMat4(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix3} out\n * @param  {clay.Matrix3} a\n * @param  {number}  rad\n * @return {clay.Matrix3}\n */\nMatrix3.rotate = function (out, a, rad) {\n    mat3.rotate(out.array, a.array, rad);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix3} out\n * @param  {clay.Matrix3} a\n * @param  {clay.Vector2} v\n * @return {clay.Matrix3}\n */\nMatrix3.scale = function (out, a, v) {\n    mat3.scale(out.array, a.array, v.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix3} out\n * @param  {clay.Matrix3} a\n * @return {clay.Matrix3}\n */\nMatrix3.transpose = function (out, a) {\n    mat3.transpose(out.array, a.array);\n    out._dirty = true;\n    return out;\n};\n\n/**\n * @param  {clay.Matrix3} out\n * @param  {clay.Matrix3} a\n * @param  {clay.Vector2} v\n * @return {clay.Matrix3}\n */\nMatrix3.translate = function (out, a, v) {\n    mat3.translate(out.array, a.array, v.array);\n    out._dirty = true;\n    return out;\n};\n\nexport default Matrix3;\n","export default \"\\n@export clay.util.rand\\nhighp float rand(vec2 uv) {\\n const highp float a = 12.9898, b = 78.233, c = 43758.5453;\\n highp float dt = dot(uv.xy, vec2(a,b)), sn = mod(dt, 3.141592653589793);\\n return fract(sin(sn) * c);\\n}\\n@end\\n@export clay.util.calculate_attenuation\\nuniform float attenuationFactor : 5.0;\\nfloat lightAttenuation(float dist, float range)\\n{\\n float attenuation = 1.0;\\n attenuation = dist*dist/(range*range+1.0);\\n float att_s = attenuationFactor;\\n attenuation = 1.0/(attenuation*att_s+1.0);\\n att_s = 1.0/(att_s+1.0);\\n attenuation = attenuation - att_s;\\n attenuation /= 1.0 - att_s;\\n return clamp(attenuation, 0.0, 1.0);\\n}\\n@end\\n@export clay.util.edge_factor\\n#ifdef SUPPORT_STANDARD_DERIVATIVES\\nfloat edgeFactor(float width)\\n{\\n vec3 d = fwidth(v_Barycentric);\\n vec3 a3 = smoothstep(vec3(0.0), d * width, v_Barycentric);\\n return min(min(a3.x, a3.y), a3.z);\\n}\\n#else\\nfloat edgeFactor(float width)\\n{\\n return 1.0;\\n}\\n#endif\\n@end\\n@export clay.util.encode_float\\nvec4 encodeFloat(const in float depth)\\n{\\n const vec4 bitShifts = vec4(256.0*256.0*256.0, 256.0*256.0, 256.0, 1.0);\\n const vec4 bit_mask = vec4(0.0, 1.0/256.0, 1.0/256.0, 1.0/256.0);\\n vec4 res = fract(depth * bitShifts);\\n res -= res.xxyz * bit_mask;\\n return res;\\n}\\n@end\\n@export clay.util.decode_float\\nfloat decodeFloat(const in vec4 color)\\n{\\n const vec4 bitShifts = vec4(1.0/(256.0*256.0*256.0), 1.0/(256.0*256.0), 1.0/256.0, 1.0);\\n return dot(color, bitShifts);\\n}\\n@end\\n@export clay.util.float\\n@import clay.util.encode_float\\n@import clay.util.decode_float\\n@end\\n@export clay.util.rgbm_decode\\nvec3 RGBMDecode(vec4 rgbm, float range) {\\n return range * rgbm.rgb * rgbm.a;\\n}\\n@end\\n@export clay.util.rgbm_encode\\nvec4 RGBMEncode(vec3 color, float range) {\\n if (dot(color, color) == 0.0) {\\n return vec4(0.0);\\n }\\n vec4 rgbm;\\n color /= range;\\n rgbm.a = clamp(max(max(color.r, color.g), max(color.b, 1e-6)), 0.0, 1.0);\\n rgbm.a = ceil(rgbm.a * 255.0) / 255.0;\\n rgbm.rgb = color / rgbm.a;\\n return rgbm;\\n}\\n@end\\n@export clay.util.rgbm\\n@import clay.util.rgbm_decode\\n@import clay.util.rgbm_encode\\nvec4 decodeHDR(vec4 color)\\n{\\n#if defined(RGBM_DECODE) || defined(RGBM)\\n return vec4(RGBMDecode(color, 8.12), 1.0);\\n#else\\n return color;\\n#endif\\n}\\nvec4 encodeHDR(vec4 color)\\n{\\n#if defined(RGBM_ENCODE) || defined(RGBM)\\n return RGBMEncode(color.xyz, 8.12);\\n#else\\n return color;\\n#endif\\n}\\n@end\\n@export clay.util.srgb\\nvec4 sRGBToLinear(in vec4 value) {\\n return vec4(mix(pow(value.rgb * 0.9478672986 + vec3(0.0521327014), vec3(2.4)), value.rgb * 0.0773993808, vec3(lessThanEqual(value.rgb, vec3(0.04045)))), value.w);\\n}\\nvec4 linearTosRGB(in vec4 value) {\\n return vec4(mix(pow(value.rgb, vec3(0.41666)) * 1.055 - vec3(0.055), value.rgb * 12.92, vec3(lessThanEqual(value.rgb, vec3(0.0031308)))), value.w);\\n}\\n@end\\n@export clay.chunk.skinning_header\\n#ifdef SKINNING\\nattribute vec3 weight : WEIGHT;\\nattribute vec4 joint : JOINT;\\n#ifdef USE_SKIN_MATRICES_TEXTURE\\nuniform sampler2D skinMatricesTexture : ignore;\\nuniform float skinMatricesTextureSize: ignore;\\nmat4 getSkinMatrix(sampler2D tex, float idx) {\\n float j = idx * 4.0;\\n float x = mod(j, skinMatricesTextureSize);\\n float y = floor(j / skinMatricesTextureSize) + 0.5;\\n vec2 scale = vec2(skinMatricesTextureSize);\\n return mat4(\\n texture2D(tex, vec2(x + 0.5, y) / scale),\\n texture2D(tex, vec2(x + 1.5, y) / scale),\\n texture2D(tex, vec2(x + 2.5, y) / scale),\\n texture2D(tex, vec2(x + 3.5, y) / scale)\\n );\\n}\\nmat4 getSkinMatrix(float idx) {\\n return getSkinMatrix(skinMatricesTexture, idx);\\n}\\n#else\\nuniform mat4 skinMatrix[JOINT_COUNT] : SKIN_MATRIX;\\nmat4 getSkinMatrix(float idx) {\\n return skinMatrix[int(idx)];\\n}\\n#endif\\n#endif\\n@end\\n@export clay.chunk.skin_matrix\\nmat4 skinMatrixWS = getSkinMatrix(joint.x) * weight.x;\\nif (weight.y > 1e-4)\\n{\\n skinMatrixWS += getSkinMatrix(joint.y) * weight.y;\\n}\\nif (weight.z > 1e-4)\\n{\\n skinMatrixWS += getSkinMatrix(joint.z) * weight.z;\\n}\\nfloat weightW = 1.0-weight.x-weight.y-weight.z;\\nif (weightW > 1e-4)\\n{\\n skinMatrixWS += getSkinMatrix(joint.w) * weightW;\\n}\\n@end\\n@export clay.chunk.instancing_header\\n#ifdef INSTANCING\\nattribute vec4 instanceMat1;\\nattribute vec4 instanceMat2;\\nattribute vec4 instanceMat3;\\n#endif\\n@end\\n@export clay.chunk.instancing_matrix\\nmat4 instanceMat = mat4(\\n vec4(instanceMat1.xyz, 0.0),\\n vec4(instanceMat2.xyz, 0.0),\\n vec4(instanceMat3.xyz, 0.0),\\n vec4(instanceMat1.w, instanceMat2.w, instanceMat3.w, 1.0)\\n);\\n@end\\n@export clay.util.parallax_correct\\nvec3 parallaxCorrect(in vec3 dir, in vec3 pos, in vec3 boxMin, in vec3 boxMax) {\\n vec3 first = (boxMax - pos) / dir;\\n vec3 second = (boxMin - pos) / dir;\\n vec3 further = max(first, second);\\n float dist = min(further.x, min(further.y, further.z));\\n vec3 fixedPos = pos + dir * dist;\\n vec3 boxCenter = (boxMax + boxMin) * 0.5;\\n return normalize(fixedPos - boxCenter);\\n}\\n@end\\n@export clay.util.clamp_sample\\nvec4 clampSample(const in sampler2D texture, const in vec2 coord)\\n{\\n#ifdef STEREO\\n float eye = step(0.5, coord.x) * 0.5;\\n vec2 coordClamped = clamp(coord, vec2(eye, 0.0), vec2(0.5 + eye, 1.0));\\n#else\\n vec2 coordClamped = clamp(coord, vec2(0.0), vec2(1.0));\\n#endif\\n return texture2D(texture, coordClamped);\\n}\\n@end\\n@export clay.util.ACES\\nvec3 ACESToneMapping(vec3 color)\\n{\\n const float A = 2.51;\\n const float B = 0.03;\\n const float C = 2.43;\\n const float D = 0.59;\\n const float E = 0.14;\\n return (color * (A * color + B)) / (color * (C * color + D) + E);\\n}\\n@end\";\n","import Mesh from 'claygl/src/Mesh';\nimport Renderer from 'claygl/src/Renderer';\nimport Texture2D from 'claygl/src/Texture2D';\nimport Texture from 'claygl/src/Texture';\nimport Shader from 'claygl/src/Shader';\nimport Material from 'claygl/src/Material';\nimport Node3D from 'claygl/src/Node';\nimport Geometry from 'claygl/src/Geometry';\nimport * as echarts from 'echarts/lib/echarts';\nimport Scene from 'claygl/src/Scene';\nimport LRUCache from 'zrender/lib/core/LRU';\nimport textureUtil from 'claygl/src/util/texture';\nimport EChartsSurface from './EChartsSurface';\nimport AmbientCubemapLight from 'claygl/src/light/AmbientCubemap';\nimport AmbientSHLight from 'claygl/src/light/AmbientSH';\nimport shUtil from 'claygl/src/util/sh';\nimport retrieve from './retrieve';\nimport SphereGeometry from 'claygl/src/geometry/Sphere';\nimport PlaneGeometry from 'claygl/src/geometry/Plane';\nimport CubeGeometry from 'claygl/src/geometry/Cube';\nimport AmbientLight from 'claygl/src/light/Ambient';\nimport DirectionalLight from 'claygl/src/light/Directional';\nimport PointLight from 'claygl/src/light/Point';\nimport SpotLight from 'claygl/src/light/Spot';\nimport PerspectiveCamera from 'claygl/src/camera/Perspective';\nimport OrthographicCamera from 'claygl/src/camera/Orthographic'; // Math\n\nimport Vector2 from 'claygl/src/math/Vector2';\nimport Vector3 from 'claygl/src/math/Vector3';\nimport Vector4 from 'claygl/src/math/Vector4';\nimport Quaternion from 'claygl/src/math/Quaternion';\nimport Matrix2 from 'claygl/src/math/Matrix2';\nimport Matrix2d from 'claygl/src/math/Matrix2d';\nimport Matrix3 from 'claygl/src/math/Matrix3';\nimport Matrix4 from 'claygl/src/math/Matrix4';\nimport Plane from 'claygl/src/math/Plane';\nimport Ray from 'claygl/src/math/Ray';\nimport BoundingBox from 'claygl/src/math/BoundingBox';\nimport Frustum from 'claygl/src/math/Frustum';\nimport animatableMixin from './animatableMixin'; // Some common shaders\n\nimport utilGLSL from 'claygl/src/shader/source/util.glsl.js';\nimport prezGLSL from 'claygl/src/shader/source/prez.glsl.js';\nimport commonGLSL from './shader/common.glsl.js';\nimport colorGLSL from './shader/color.glsl.js';\nimport lambertGLSL from './shader/lambert.glsl.js';\nimport realisticGLSL from './shader/realistic.glsl.js';\nimport hatchingGLSL from './shader/hatching.glsl.js';\nimport shadowGLSL from './shader/shadow.glsl.js';\nObject.assign(Node3D.prototype, animatableMixin);\nShader.import(utilGLSL);\nShader.import(prezGLSL);\nShader.import(commonGLSL);\nShader.import(colorGLSL);\nShader.import(lambertGLSL);\nShader.import(realisticGLSL);\nShader.import(hatchingGLSL);\nShader.import(shadowGLSL);\n\nfunction isValueNone(value) {\n  return !value || value === 'none';\n}\n\nfunction isValueImage(value) {\n  return value instanceof HTMLCanvasElement || value instanceof HTMLImageElement || value instanceof Image;\n}\n\nfunction isECharts(value) {\n  return value.getZr && value.setOption;\n} // Overwrite addToScene and removeFromScene\n\n\nvar oldAddToScene = Scene.prototype.addToScene;\nvar oldRemoveFromScene = Scene.prototype.removeFromScene;\n\nScene.prototype.addToScene = function (node) {\n  oldAddToScene.call(this, node);\n\n  if (this.__zr) {\n    var zr = this.__zr;\n    node.traverse(function (child) {\n      child.__zr = zr;\n\n      if (child.addAnimatorsToZr) {\n        child.addAnimatorsToZr(zr);\n      }\n    });\n  }\n};\n\nScene.prototype.removeFromScene = function (node) {\n  oldRemoveFromScene.call(this, node);\n  node.traverse(function (child) {\n    var zr = child.__zr;\n    child.__zr = null;\n\n    if (zr && child.removeAnimatorsFromZr) {\n      child.removeAnimatorsFromZr(zr);\n    }\n  });\n};\n/**\n * @param {string} textureName\n * @param {string|HTMLImageElement|HTMLCanvasElement} imgValue\n * @param {module:echarts/ExtensionAPI} api\n * @param {Object} [textureOpts]\n */\n\n\nMaterial.prototype.setTextureImage = function (textureName, imgValue, api, textureOpts) {\n  if (!this.shader) {\n    return;\n  }\n\n  var zr = api.getZr();\n  var material = this;\n  var texture;\n  material.autoUpdateTextureStatus = false; // disableTexture first\n\n  material.disableTexture(textureName);\n\n  if (!isValueNone(imgValue)) {\n    texture = graphicGL.loadTexture(imgValue, api, textureOpts, function (texture) {\n      material.enableTexture(textureName);\n      zr && zr.refresh();\n    }); // Set texture immediately for other code to verify if have this texture.\n\n    material.set(textureName, texture);\n  }\n\n  return texture;\n};\n\nvar graphicGL = {};\ngraphicGL.Renderer = Renderer;\ngraphicGL.Node = Node3D;\ngraphicGL.Mesh = Mesh;\ngraphicGL.Shader = Shader;\ngraphicGL.Material = Material;\ngraphicGL.Texture = Texture;\ngraphicGL.Texture2D = Texture2D; // Geometries\n\ngraphicGL.Geometry = Geometry;\ngraphicGL.SphereGeometry = SphereGeometry;\ngraphicGL.PlaneGeometry = PlaneGeometry;\ngraphicGL.CubeGeometry = CubeGeometry; // Lights\n\ngraphicGL.AmbientLight = AmbientLight;\ngraphicGL.DirectionalLight = DirectionalLight;\ngraphicGL.PointLight = PointLight;\ngraphicGL.SpotLight = SpotLight; // Cameras\n\ngraphicGL.PerspectiveCamera = PerspectiveCamera;\ngraphicGL.OrthographicCamera = OrthographicCamera; // Math\n\ngraphicGL.Vector2 = Vector2;\ngraphicGL.Vector3 = Vector3;\ngraphicGL.Vector4 = Vector4;\ngraphicGL.Quaternion = Quaternion;\ngraphicGL.Matrix2 = Matrix2;\ngraphicGL.Matrix2d = Matrix2d;\ngraphicGL.Matrix3 = Matrix3;\ngraphicGL.Matrix4 = Matrix4;\ngraphicGL.Plane = Plane;\ngraphicGL.Ray = Ray;\ngraphicGL.BoundingBox = BoundingBox;\ngraphicGL.Frustum = Frustum; // Texture utilities\n\nvar blankImage = textureUtil.createBlank('rgba(255,255,255,0)').image;\n\nfunction nearestPowerOfTwo(val) {\n  return Math.pow(2, Math.round(Math.log(val) / Math.LN2));\n}\n\nfunction convertTextureToPowerOfTwo(texture) {\n  if ((texture.wrapS === Texture.REPEAT || texture.wrapT === Texture.REPEAT) && texture.image) {\n    // var canvas = document.createElement('canvas');\n    var width = nearestPowerOfTwo(texture.width);\n    var height = nearestPowerOfTwo(texture.height);\n\n    if (width !== texture.width || height !== texture.height) {\n      var canvas = document.createElement('canvas');\n      canvas.width = width;\n      canvas.height = height;\n      var ctx = canvas.getContext('2d');\n      ctx.drawImage(texture.image, 0, 0, width, height);\n      texture.image = canvas;\n    }\n  }\n}\n/**\n * @param {string|HTMLImageElement|HTMLCanvasElement} imgValue\n * @param {module:echarts/ExtensionAPI} api\n * @param {Object} [textureOpts]\n * @param {Function} cb\n */\n// TODO Promise, test\n\n\ngraphicGL.loadTexture = function (imgValue, api, textureOpts, cb) {\n  if (typeof textureOpts === 'function') {\n    cb = textureOpts;\n    textureOpts = {};\n  }\n\n  textureOpts = textureOpts || {};\n  var keys = Object.keys(textureOpts).sort();\n  var prefix = '';\n\n  for (var i = 0; i < keys.length; i++) {\n    prefix += keys[i] + '_' + textureOpts[keys[i]] + '_';\n  }\n\n  var textureCache = api.__textureCache = api.__textureCache || new LRUCache(20);\n\n  if (isECharts(imgValue)) {\n    var id = imgValue.__textureid__;\n    var textureObj = textureCache.get(prefix + id);\n\n    if (!textureObj) {\n      var surface = new EChartsSurface(imgValue);\n\n      surface.onupdate = function () {\n        api.getZr().refresh();\n      };\n\n      textureObj = {\n        texture: surface.getTexture()\n      };\n\n      for (var i = 0; i < keys.length; i++) {\n        textureObj.texture[keys[i]] = textureOpts[keys[i]];\n      }\n\n      id = imgValue.__textureid__ || '__ecgl_ec__' + textureObj.texture.__uid__;\n      imgValue.__textureid__ = id;\n      textureCache.put(prefix + id, textureObj);\n      cb && cb(textureObj.texture);\n    } else {\n      textureObj.texture.surface.setECharts(imgValue);\n      cb && cb(textureObj.texture);\n    }\n\n    return textureObj.texture;\n  } else if (isValueImage(imgValue)) {\n    var id = imgValue.__textureid__;\n    var textureObj = textureCache.get(prefix + id);\n\n    if (!textureObj) {\n      textureObj = {\n        texture: new graphicGL.Texture2D({\n          image: imgValue\n        })\n      };\n\n      for (var i = 0; i < keys.length; i++) {\n        textureObj.texture[keys[i]] = textureOpts[keys[i]];\n      }\n\n      id = imgValue.__textureid__ || '__ecgl_image__' + textureObj.texture.__uid__;\n      imgValue.__textureid__ = id;\n      textureCache.put(prefix + id, textureObj);\n      convertTextureToPowerOfTwo(textureObj.texture); // TODO Next tick?\n\n      cb && cb(textureObj.texture);\n    }\n\n    return textureObj.texture;\n  } else {\n    var textureObj = textureCache.get(prefix + imgValue);\n\n    if (textureObj) {\n      if (textureObj.callbacks) {\n        // Add to pending callbacks\n        textureObj.callbacks.push(cb);\n      } else {\n        // TODO Next tick?\n        cb && cb(textureObj.texture);\n      }\n    } else {\n      // Maybe base64\n      if (imgValue.match(/.hdr$|^data:application\\/octet-stream/)) {\n        textureObj = {\n          callbacks: [cb]\n        };\n        var texture = textureUtil.loadTexture(imgValue, {\n          exposure: textureOpts.exposure,\n          fileType: 'hdr'\n        }, function () {\n          texture.dirty();\n          textureObj.callbacks.forEach(function (cb) {\n            cb && cb(texture);\n          });\n          textureObj.callbacks = null;\n        });\n        textureObj.texture = texture;\n        textureCache.put(prefix + imgValue, textureObj);\n      } else {\n        var texture = new graphicGL.Texture2D({\n          image: new Image()\n        });\n\n        for (var i = 0; i < keys.length; i++) {\n          texture[keys[i]] = textureOpts[keys[i]];\n        }\n\n        textureObj = {\n          texture: texture,\n          callbacks: [cb]\n        };\n        var originalImage = texture.image;\n\n        originalImage.onload = function () {\n          texture.image = originalImage;\n          convertTextureToPowerOfTwo(texture);\n          texture.dirty();\n          textureObj.callbacks.forEach(function (cb) {\n            cb && cb(texture);\n          });\n          textureObj.callbacks = null;\n        };\n\n        originalImage.crossOrigin = 'Anonymous';\n        originalImage.src = imgValue; // Use blank image as place holder.\n\n        texture.image = blankImage;\n        textureCache.put(prefix + imgValue, textureObj);\n      }\n    }\n\n    return textureObj.texture;\n  }\n};\n/**\n * Create ambientCubemap and ambientSH light. respectively to have specular and diffuse light\n * @return {Object} { specular, diffuse }\n */\n\n\ngraphicGL.createAmbientCubemap = function (opt, renderer, api, cb) {\n  opt = opt || {};\n  var textureUrl = opt.texture;\n  var exposure = retrieve.firstNotNull(opt.exposure, 1.0);\n  var ambientCubemap = new AmbientCubemapLight({\n    intensity: retrieve.firstNotNull(opt.specularIntensity, 1.0)\n  });\n  var ambientSH = new AmbientSHLight({\n    intensity: retrieve.firstNotNull(opt.diffuseIntensity, 1.0),\n    coefficients: [0.844, 0.712, 0.691, -0.037, 0.083, 0.167, 0.343, 0.288, 0.299, -0.041, -0.021, -0.009, -0.003, -0.041, -0.064, -0.011, -0.007, -0.004, -0.031, 0.034, 0.081, -0.060, -0.049, -0.060, 0.046, 0.056, 0.050]\n  });\n  ambientCubemap.cubemap = graphicGL.loadTexture(textureUrl, api, {\n    exposure: exposure\n  }, function () {\n    // TODO Performance when multiple view\n    ambientCubemap.cubemap.flipY = false;\n\n    if (process.env.NODE_ENV !== 'production') {\n      var time = Date.now();\n    }\n\n    ambientCubemap.prefilter(renderer, 32);\n\n    if (process.env.NODE_ENV !== 'production') {\n      var dTime = Date.now() - time;\n      console.log('Prefilter environment map: ' + dTime + 'ms');\n    }\n\n    ambientSH.coefficients = shUtil.projectEnvironmentMap(renderer, ambientCubemap.cubemap, {\n      lod: 1\n    });\n    cb && cb(); // TODO Refresh ?\n  });\n  return {\n    specular: ambientCubemap,\n    diffuse: ambientSH\n  };\n};\n/**\n * Create a blank texture for placeholder\n */\n\n\ngraphicGL.createBlankTexture = textureUtil.createBlank;\n/**\n * If value is image\n * @param {*}\n * @return {boolean}\n */\n\ngraphicGL.isImage = isValueImage;\n\ngraphicGL.additiveBlend = function (gl) {\n  gl.blendEquation(gl.FUNC_ADD);\n  gl.blendFunc(gl.SRC_ALPHA, gl.ONE);\n};\n/**\n * @param {string|Array.<number>} colorStr\n * @param {Array.<number>} [rgba]\n * @return {Array.<number>} rgba\n */\n\n\ngraphicGL.parseColor = function (colorStr, rgba) {\n  if (colorStr instanceof Array) {\n    if (!rgba) {\n      rgba = [];\n    } // Color has been parsed.\n\n\n    rgba[0] = colorStr[0];\n    rgba[1] = colorStr[1];\n    rgba[2] = colorStr[2];\n\n    if (colorStr.length > 3) {\n      rgba[3] = colorStr[3];\n    } else {\n      rgba[3] = 1;\n    }\n\n    return rgba;\n  }\n\n  rgba = echarts.color.parse(colorStr || '#000', rgba) || [0, 0, 0, 0];\n  rgba[0] /= 255;\n  rgba[1] /= 255;\n  rgba[2] /= 255;\n  return rgba;\n};\n/**\n * Convert alpha beta rotation to direction.\n * @param {number} alpha\n * @param {number} beta\n * @return {Array.<number>}\n */\n\n\ngraphicGL.directionFromAlphaBeta = function (alpha, beta) {\n  var theta = alpha / 180 * Math.PI + Math.PI / 2;\n  var phi = -beta / 180 * Math.PI + Math.PI / 2;\n  var dir = [];\n  var r = Math.sin(theta);\n  dir[0] = r * Math.cos(phi);\n  dir[1] = -Math.cos(theta);\n  dir[2] = r * Math.sin(phi);\n  return dir;\n};\n/**\n * Get shadow resolution from shadowQuality configuration\n */\n\n\ngraphicGL.getShadowResolution = function (shadowQuality) {\n  var shadowResolution = 1024;\n\n  switch (shadowQuality) {\n    case 'low':\n      shadowResolution = 512;\n      break;\n\n    case 'medium':\n      break;\n\n    case 'high':\n      shadowResolution = 2048;\n      break;\n\n    case 'ultra':\n      shadowResolution = 4096;\n      break;\n  }\n\n  return shadowResolution;\n};\n/**\n * Shading utilities\n */\n\n\ngraphicGL.COMMON_SHADERS = ['lambert', 'color', 'realistic', 'hatching', 'shadow'];\n/**\n * Create shader including vertex and fragment\n * @param {string} prefix.\n */\n\ngraphicGL.createShader = function (prefix) {\n  if (prefix === 'ecgl.shadow') {\n    prefix = 'ecgl.displayShadow';\n  }\n\n  var vertexShaderStr = Shader.source(prefix + '.vertex');\n  var fragmentShaderStr = Shader.source(prefix + '.fragment');\n\n  if (!vertexShaderStr) {\n    console.error('Vertex shader of \\'%s\\' not exits', prefix);\n  }\n\n  if (!fragmentShaderStr) {\n    console.error('Fragment shader of \\'%s\\' not exits', prefix);\n  }\n\n  var shader = new Shader(vertexShaderStr, fragmentShaderStr);\n  shader.name = prefix;\n  return shader;\n};\n\ngraphicGL.createMaterial = function (prefix, defines) {\n  if (!(defines instanceof Array)) {\n    defines = [defines];\n  }\n\n  var shader = graphicGL.createShader(prefix);\n  var material = new Material({\n    shader: shader\n  });\n  defines.forEach(function (defineName) {\n    if (typeof defineName === 'string') {\n      material.define(defineName);\n    }\n  });\n  return material;\n};\n/**\n * Set material from model.\n * @param {clay.Material} material\n * @param {module:echarts/model/Model} model\n * @param {module:echarts/ExtensionAPI} api\n */\n\n\ngraphicGL.setMaterialFromModel = function (shading, material, model, api) {\n  material.autoUpdateTextureStatus = false;\n  var materialModel = model.getModel(shading + 'Material');\n  var detailTexture = materialModel.get('detailTexture');\n  var uvRepeat = retrieve.firstNotNull(materialModel.get('textureTiling'), 1.0);\n  var uvOffset = retrieve.firstNotNull(materialModel.get('textureOffset'), 0.0);\n\n  if (typeof uvRepeat === 'number') {\n    uvRepeat = [uvRepeat, uvRepeat];\n  }\n\n  if (typeof uvOffset === 'number') {\n    uvOffset = [uvOffset, uvOffset];\n  }\n\n  var repeatParam = uvRepeat[0] > 1 || uvRepeat[1] > 1 ? graphicGL.Texture.REPEAT : graphicGL.Texture.CLAMP_TO_EDGE;\n  var textureOpt = {\n    anisotropic: 8,\n    wrapS: repeatParam,\n    wrapT: repeatParam\n  };\n\n  if (shading === 'realistic') {\n    var roughness = materialModel.get('roughness');\n    var metalness = materialModel.get('metalness');\n\n    if (metalness != null) {\n      // Try to treat as a texture, TODO More check\n      if (isNaN(metalness)) {\n        material.setTextureImage('metalnessMap', metalness, api, textureOpt);\n        metalness = retrieve.firstNotNull(materialModel.get('metalnessAdjust'), 0.5);\n      }\n    } else {\n      // Default metalness.\n      metalness = 0;\n    }\n\n    if (roughness != null) {\n      // Try to treat as a texture, TODO More check\n      if (isNaN(roughness)) {\n        material.setTextureImage('roughnessMap', roughness, api, textureOpt);\n        roughness = retrieve.firstNotNull(materialModel.get('roughnessAdjust'), 0.5);\n      }\n    } else {\n      // Default roughness.\n      roughness = 0.5;\n    }\n\n    var normalTextureVal = materialModel.get('normalTexture');\n    material.setTextureImage('detailMap', detailTexture, api, textureOpt);\n    material.setTextureImage('normalMap', normalTextureVal, api, textureOpt);\n    material.set({\n      roughness: roughness,\n      metalness: metalness,\n      detailUvRepeat: uvRepeat,\n      detailUvOffset: uvOffset\n    }); // var normalTexture = material.get('normalMap');\n    // if (normalTexture) {\n    // PENDING\n    // normalTexture.format = Texture.SRGB;\n    // }\n  } else if (shading === 'lambert') {\n    material.setTextureImage('detailMap', detailTexture, api, textureOpt);\n    material.set({\n      detailUvRepeat: uvRepeat,\n      detailUvOffset: uvOffset\n    });\n  } else if (shading === 'color') {\n    material.setTextureImage('detailMap', detailTexture, api, textureOpt);\n    material.set({\n      detailUvRepeat: uvRepeat,\n      detailUvOffset: uvOffset\n    });\n  } else if (shading === 'hatching') {\n    var tams = materialModel.get('hatchingTextures') || [];\n\n    if (tams.length < 6) {\n      if (process.env.NODE_ENV !== 'production') {\n        console.error('Invalid hatchingTextures.');\n      }\n    }\n\n    for (var i = 0; i < 6; i++) {\n      material.setTextureImage('hatch' + (i + 1), tams[i], api, {\n        anisotropic: 8,\n        wrapS: graphicGL.Texture.REPEAT,\n        wrapT: graphicGL.Texture.REPEAT\n      });\n    }\n\n    material.set({\n      detailUvRepeat: uvRepeat,\n      detailUvOffset: uvOffset\n    });\n  }\n};\n\ngraphicGL.updateVertexAnimation = function (mappingAttributes, previousMesh, currentMesh, seriesModel) {\n  var enableAnimation = seriesModel.get('animation');\n  var duration = seriesModel.get('animationDurationUpdate');\n  var easing = seriesModel.get('animationEasingUpdate');\n  var shadowDepthMaterial = currentMesh.shadowDepthMaterial;\n\n  if (enableAnimation && previousMesh && duration > 0 // Only animate when bar count are not changed\n  && previousMesh.geometry.vertexCount === currentMesh.geometry.vertexCount) {\n    currentMesh.material.define('vertex', 'VERTEX_ANIMATION');\n    currentMesh.ignorePreZ = true;\n\n    if (shadowDepthMaterial) {\n      shadowDepthMaterial.define('vertex', 'VERTEX_ANIMATION');\n    }\n\n    for (var i = 0; i < mappingAttributes.length; i++) {\n      currentMesh.geometry.attributes[mappingAttributes[i][0]].value = previousMesh.geometry.attributes[mappingAttributes[i][1]].value;\n    }\n\n    currentMesh.geometry.dirty();\n    currentMesh.__percent = 0;\n    currentMesh.material.set('percent', 0);\n    currentMesh.stopAnimation();\n    currentMesh.animate().when(duration, {\n      __percent: 1\n    }).during(function () {\n      currentMesh.material.set('percent', currentMesh.__percent);\n\n      if (shadowDepthMaterial) {\n        shadowDepthMaterial.set('percent', currentMesh.__percent);\n      }\n    }).done(function () {\n      currentMesh.ignorePreZ = false;\n      currentMesh.material.undefine('vertex', 'VERTEX_ANIMATION');\n\n      if (shadowDepthMaterial) {\n        shadowDepthMaterial.undefine('vertex', 'VERTEX_ANIMATION');\n      }\n    }).start(easing);\n  } else {\n    currentMesh.material.undefine('vertex', 'VERTEX_ANIMATION');\n\n    if (shadowDepthMaterial) {\n      shadowDepthMaterial.undefine('vertex', 'VERTEX_ANIMATION');\n    }\n  }\n};\n\nexport default graphicGL;","import Animator from 'zrender/lib/animation/Animator';\nvar animatableMixin = {\n  _animators: null,\n  getAnimators: function () {\n    this._animators = this._animators || [];\n    return this._animators;\n  },\n  animate: function (path, opts) {\n    this._animators = this._animators || [];\n    var el = this;\n    var target;\n\n    if (path) {\n      var pathSplitted = path.split('.');\n      var prop = el;\n\n      for (var i = 0, l = pathSplitted.length; i < l; i++) {\n        if (!prop) {\n          continue;\n        }\n\n        prop = prop[pathSplitted[i]];\n      }\n\n      if (prop) {\n        target = prop;\n      }\n    } else {\n      target = el;\n    }\n\n    if (target == null) {\n      throw new Error('Target ' + path + ' not exists');\n    }\n\n    var animators = this._animators;\n    var animator = new Animator(target, opts);\n    var self = this;\n    animator.during(function () {\n      if (self.__zr) {\n        self.__zr.refresh();\n      }\n    }).done(function () {\n      var idx = animators.indexOf(animator);\n\n      if (idx >= 0) {\n        animators.splice(idx, 1);\n      }\n    });\n    animators.push(animator);\n\n    if (this.__zr) {\n      this.__zr.animation.addAnimator(animator);\n    }\n\n    return animator;\n  },\n  stopAnimation: function (forwardToLast) {\n    this._animators = this._animators || [];\n    var animators = this._animators;\n    var len = animators.length;\n\n    for (var i = 0; i < len; i++) {\n      animators[i].stop(forwardToLast);\n    }\n\n    animators.length = 0;\n    return this;\n  },\n  addAnimatorsToZr: function (zr) {\n    if (this._animators) {\n      for (var i = 0; i < this._animators.length; i++) {\n        zr.animation.addAnimator(this._animators[i]);\n      }\n    }\n  },\n  removeAnimatorsFromZr: function (zr) {\n    if (this._animators) {\n      for (var i = 0; i < this._animators.length; i++) {\n        zr.animation.removeAnimator(this._animators[i]);\n      }\n    }\n  }\n};\nexport default animatableMixin;","export default \"\\n@export ecgl.common.transformUniforms\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\nuniform mat4 worldInverseTranspose : WORLDINVERSETRANSPOSE;\\nuniform mat4 world : WORLD;\\n@end\\n\\n@export ecgl.common.attributes\\nattribute vec3 position : POSITION;\\nattribute vec2 texcoord : TEXCOORD_0;\\nattribute vec3 normal : NORMAL;\\n@end\\n\\n@export ecgl.common.uv.header\\nuniform vec2 uvRepeat : [1.0, 1.0];\\nuniform vec2 uvOffset : [0.0, 0.0];\\nuniform vec2 detailUvRepeat : [1.0, 1.0];\\nuniform vec2 detailUvOffset : [0.0, 0.0];\\n\\nvarying vec2 v_Texcoord;\\nvarying vec2 v_DetailTexcoord;\\n@end\\n\\n@export ecgl.common.uv.main\\nv_Texcoord = texcoord * uvRepeat + uvOffset;\\nv_DetailTexcoord = texcoord * detailUvRepeat + detailUvOffset;\\n@end\\n\\n@export ecgl.common.uv.fragmentHeader\\nvarying vec2 v_Texcoord;\\nvarying vec2 v_DetailTexcoord;\\n@end\\n\\n\\n@export ecgl.common.albedo.main\\n\\n vec4 albedoTexel = vec4(1.0);\\n#ifdef DIFFUSEMAP_ENABLED\\n albedoTexel = texture2D(diffuseMap, v_Texcoord);\\n #ifdef SRGB_DECODE\\n albedoTexel = sRGBToLinear(albedoTexel);\\n #endif\\n#endif\\n\\n#ifdef DETAILMAP_ENABLED\\n vec4 detailTexel = texture2D(detailMap, v_DetailTexcoord);\\n #ifdef SRGB_DECODE\\n detailTexel = sRGBToLinear(detailTexel);\\n #endif\\n albedoTexel.rgb = mix(albedoTexel.rgb, detailTexel.rgb, detailTexel.a);\\n albedoTexel.a = detailTexel.a + (1.0 - detailTexel.a) * albedoTexel.a;\\n#endif\\n\\n@end\\n\\n@export ecgl.common.wireframe.vertexHeader\\n\\n#ifdef WIREFRAME_QUAD\\nattribute vec4 barycentric;\\nvarying vec4 v_Barycentric;\\n#elif defined(WIREFRAME_TRIANGLE)\\nattribute vec3 barycentric;\\nvarying vec3 v_Barycentric;\\n#endif\\n\\n@end\\n\\n@export ecgl.common.wireframe.vertexMain\\n\\n#if defined(WIREFRAME_QUAD) || defined(WIREFRAME_TRIANGLE)\\n v_Barycentric = barycentric;\\n#endif\\n\\n@end\\n\\n\\n@export ecgl.common.wireframe.fragmentHeader\\n\\nuniform float wireframeLineWidth : 1;\\nuniform vec4 wireframeLineColor: [0, 0, 0, 0.5];\\n\\n#ifdef WIREFRAME_QUAD\\nvarying vec4 v_Barycentric;\\nfloat edgeFactor () {\\n vec4 d = fwidth(v_Barycentric);\\n vec4 a4 = smoothstep(vec4(0.0), d * wireframeLineWidth, v_Barycentric);\\n return min(min(min(a4.x, a4.y), a4.z), a4.w);\\n}\\n#elif defined(WIREFRAME_TRIANGLE)\\nvarying vec3 v_Barycentric;\\nfloat edgeFactor () {\\n vec3 d = fwidth(v_Barycentric);\\n vec3 a3 = smoothstep(vec3(0.0), d * wireframeLineWidth, v_Barycentric);\\n return min(min(a3.x, a3.y), a3.z);\\n}\\n#endif\\n\\n@end\\n\\n\\n@export ecgl.common.wireframe.fragmentMain\\n\\n#if defined(WIREFRAME_QUAD) || defined(WIREFRAME_TRIANGLE)\\n if (wireframeLineWidth > 0.) {\\n vec4 lineColor = wireframeLineColor;\\n#ifdef SRGB_DECODE\\n lineColor = sRGBToLinear(lineColor);\\n#endif\\n\\n gl_FragColor.rgb = mix(gl_FragColor.rgb, lineColor.rgb, (1.0 - edgeFactor()) * lineColor.a);\\n }\\n#endif\\n@end\\n\\n\\n\\n\\n@export ecgl.common.bumpMap.header\\n\\n#ifdef BUMPMAP_ENABLED\\nuniform sampler2D bumpMap;\\nuniform float bumpScale : 1.0;\\n\\n\\nvec3 bumpNormal(vec3 surfPos, vec3 surfNormal, vec3 baseNormal)\\n{\\n vec2 dSTdx = dFdx(v_Texcoord);\\n vec2 dSTdy = dFdy(v_Texcoord);\\n\\n float Hll = bumpScale * texture2D(bumpMap, v_Texcoord).x;\\n float dHx = bumpScale * texture2D(bumpMap, v_Texcoord + dSTdx).x - Hll;\\n float dHy = bumpScale * texture2D(bumpMap, v_Texcoord + dSTdy).x - Hll;\\n\\n vec3 vSigmaX = dFdx(surfPos);\\n vec3 vSigmaY = dFdy(surfPos);\\n vec3 vN = surfNormal;\\n\\n vec3 R1 = cross(vSigmaY, vN);\\n vec3 R2 = cross(vN, vSigmaX);\\n\\n float fDet = dot(vSigmaX, R1);\\n\\n vec3 vGrad = sign(fDet) * (dHx * R1 + dHy * R2);\\n return normalize(abs(fDet) * baseNormal - vGrad);\\n\\n}\\n#endif\\n\\n@end\\n\\n@export ecgl.common.normalMap.vertexHeader\\n\\n#ifdef NORMALMAP_ENABLED\\nattribute vec4 tangent : TANGENT;\\nvarying vec3 v_Tangent;\\nvarying vec3 v_Bitangent;\\n#endif\\n\\n@end\\n\\n@export ecgl.common.normalMap.vertexMain\\n\\n#ifdef NORMALMAP_ENABLED\\n if (dot(tangent, tangent) > 0.0) {\\n v_Tangent = normalize((worldInverseTranspose * vec4(tangent.xyz, 0.0)).xyz);\\n v_Bitangent = normalize(cross(v_Normal, v_Tangent) * tangent.w);\\n }\\n#endif\\n\\n@end\\n\\n\\n@export ecgl.common.normalMap.fragmentHeader\\n\\n#ifdef NORMALMAP_ENABLED\\nuniform sampler2D normalMap;\\nvarying vec3 v_Tangent;\\nvarying vec3 v_Bitangent;\\n#endif\\n\\n@end\\n\\n@export ecgl.common.normalMap.fragmentMain\\n#ifdef NORMALMAP_ENABLED\\n if (dot(v_Tangent, v_Tangent) > 0.0) {\\n vec3 normalTexel = texture2D(normalMap, v_DetailTexcoord).xyz;\\n if (dot(normalTexel, normalTexel) > 0.0) { N = normalTexel * 2.0 - 1.0;\\n mat3 tbn = mat3(v_Tangent, v_Bitangent, v_Normal);\\n N = normalize(tbn * N);\\n }\\n }\\n#endif\\n@end\\n\\n\\n\\n@export ecgl.common.vertexAnimation.header\\n\\n#ifdef VERTEX_ANIMATION\\nattribute vec3 prevPosition;\\nattribute vec3 prevNormal;\\nuniform float percent;\\n#endif\\n\\n@end\\n\\n@export ecgl.common.vertexAnimation.main\\n\\n#ifdef VERTEX_ANIMATION\\n vec3 pos = mix(prevPosition, position, percent);\\n vec3 norm = mix(prevNormal, normal, percent);\\n#else\\n vec3 pos = position;\\n vec3 norm = normal;\\n#endif\\n\\n@end\\n\\n\\n@export ecgl.common.ssaoMap.header\\n#ifdef SSAOMAP_ENABLED\\nuniform sampler2D ssaoMap;\\nuniform vec4 viewport : VIEWPORT;\\n#endif\\n@end\\n\\n@export ecgl.common.ssaoMap.main\\n float ao = 1.0;\\n#ifdef SSAOMAP_ENABLED\\n ao = texture2D(ssaoMap, (gl_FragCoord.xy - viewport.xy) / viewport.zw).r;\\n#endif\\n@end\\n\\n\\n\\n\\n@export ecgl.common.diffuseLayer.header\\n\\n#if (LAYER_DIFFUSEMAP_COUNT > 0)\\nuniform float layerDiffuseIntensity[LAYER_DIFFUSEMAP_COUNT];\\nuniform sampler2D layerDiffuseMap[LAYER_DIFFUSEMAP_COUNT];\\n#endif\\n\\n@end\\n\\n@export ecgl.common.emissiveLayer.header\\n\\n#if (LAYER_EMISSIVEMAP_COUNT > 0)\\nuniform float layerEmissionIntensity[LAYER_EMISSIVEMAP_COUNT];\\nuniform sampler2D layerEmissiveMap[LAYER_EMISSIVEMAP_COUNT];\\n#endif\\n\\n@end\\n\\n@export ecgl.common.layers.header\\n@import ecgl.common.diffuseLayer.header\\n@import ecgl.common.emissiveLayer.header\\n@end\\n\\n@export ecgl.common.diffuseLayer.main\\n\\n#if (LAYER_DIFFUSEMAP_COUNT > 0)\\n for (int _idx_ = 0; _idx_ < LAYER_DIFFUSEMAP_COUNT; _idx_++) {{\\n float intensity = layerDiffuseIntensity[_idx_];\\n vec4 texel2 = texture2D(layerDiffuseMap[_idx_], v_Texcoord);\\n #ifdef SRGB_DECODE\\n texel2 = sRGBToLinear(texel2);\\n #endif\\n albedoTexel.rgb = mix(albedoTexel.rgb, texel2.rgb * intensity, texel2.a);\\n albedoTexel.a = texel2.a + (1.0 - texel2.a) * albedoTexel.a;\\n }}\\n#endif\\n\\n@end\\n\\n@export ecgl.common.emissiveLayer.main\\n\\n#if (LAYER_EMISSIVEMAP_COUNT > 0)\\n for (int _idx_ = 0; _idx_ < LAYER_EMISSIVEMAP_COUNT; _idx_++)\\n {{\\n vec4 texel2 = texture2D(layerEmissiveMap[_idx_], v_Texcoord) * layerEmissionIntensity[_idx_];\\n #ifdef SRGB_DECODE\\n texel2 = sRGBToLinear(texel2);\\n #endif\\n float intensity = layerEmissionIntensity[_idx_];\\n gl_FragColor.rgb += texel2.rgb * texel2.a * intensity;\\n }}\\n#endif\\n\\n@end\\n\";","export default \"@export ecgl.color.vertex\\n\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\n\\n@import ecgl.common.uv.header\\n\\nattribute vec2 texcoord : TEXCOORD_0;\\nattribute vec3 position: POSITION;\\n\\n@import ecgl.common.wireframe.vertexHeader\\n\\n#ifdef VERTEX_COLOR\\nattribute vec4 a_Color : COLOR;\\nvarying vec4 v_Color;\\n#endif\\n\\n#ifdef VERTEX_ANIMATION\\nattribute vec3 prevPosition;\\nuniform float percent : 1.0;\\n#endif\\n\\n#ifdef ATMOSPHERE_ENABLED\\nattribute vec3 normal: NORMAL;\\nuniform mat4 worldInverseTranspose : WORLDINVERSETRANSPOSE;\\nvarying vec3 v_Normal;\\n#endif\\n\\nvoid main()\\n{\\n#ifdef VERTEX_ANIMATION\\n vec3 pos = mix(prevPosition, position, percent);\\n#else\\n vec3 pos = position;\\n#endif\\n\\n gl_Position = worldViewProjection * vec4(pos, 1.0);\\n\\n @import ecgl.common.uv.main\\n\\n#ifdef VERTEX_COLOR\\n v_Color = a_Color;\\n#endif\\n\\n#ifdef ATMOSPHERE_ENABLED\\n v_Normal = normalize((worldInverseTranspose * vec4(normal, 0.0)).xyz);\\n#endif\\n\\n @import ecgl.common.wireframe.vertexMain\\n\\n}\\n\\n@end\\n\\n@export ecgl.color.fragment\\n\\n#define LAYER_DIFFUSEMAP_COUNT 0\\n#define LAYER_EMISSIVEMAP_COUNT 0\\n\\nuniform sampler2D diffuseMap;\\nuniform sampler2D detailMap;\\n\\nuniform vec4 color : [1.0, 1.0, 1.0, 1.0];\\n\\n#ifdef ATMOSPHERE_ENABLED\\nuniform mat4 viewTranspose: VIEWTRANSPOSE;\\nuniform vec3 glowColor;\\nuniform float glowPower;\\nvarying vec3 v_Normal;\\n#endif\\n\\n#ifdef VERTEX_COLOR\\nvarying vec4 v_Color;\\n#endif\\n\\n@import ecgl.common.layers.header\\n\\n@import ecgl.common.uv.fragmentHeader\\n\\n@import ecgl.common.wireframe.fragmentHeader\\n\\n@import clay.util.srgb\\n\\nvoid main()\\n{\\n#ifdef SRGB_DECODE\\n gl_FragColor = sRGBToLinear(color);\\n#else\\n gl_FragColor = color;\\n#endif\\n\\n#ifdef VERTEX_COLOR\\n gl_FragColor *= v_Color;\\n#endif\\n\\n @import ecgl.common.albedo.main\\n\\n @import ecgl.common.diffuseLayer.main\\n\\n gl_FragColor *= albedoTexel;\\n\\n#ifdef ATMOSPHERE_ENABLED\\n float atmoIntensity = pow(1.0 - dot(v_Normal, (viewTranspose * vec4(0.0, 0.0, 1.0, 0.0)).xyz), glowPower);\\n gl_FragColor.rgb += glowColor * atmoIntensity;\\n#endif\\n\\n @import ecgl.common.emissiveLayer.main\\n\\n @import ecgl.common.wireframe.fragmentMain\\n\\n}\\n@end\";","export default \"/**\\n * http: */\\n\\n@export ecgl.lambert.vertex\\n\\n@import ecgl.common.transformUniforms\\n\\n@import ecgl.common.uv.header\\n\\n\\n@import ecgl.common.attributes\\n\\n@import ecgl.common.wireframe.vertexHeader\\n\\n#ifdef VERTEX_COLOR\\nattribute vec4 a_Color : COLOR;\\nvarying vec4 v_Color;\\n#endif\\n\\n\\n@import ecgl.common.vertexAnimation.header\\n\\n\\nvarying vec3 v_Normal;\\nvarying vec3 v_WorldPosition;\\n\\nvoid main()\\n{\\n @import ecgl.common.uv.main\\n\\n @import ecgl.common.vertexAnimation.main\\n\\n\\n gl_Position = worldViewProjection * vec4(pos, 1.0);\\n\\n v_Normal = normalize((worldInverseTranspose * vec4(norm, 0.0)).xyz);\\n v_WorldPosition = (world * vec4(pos, 1.0)).xyz;\\n\\n#ifdef VERTEX_COLOR\\n v_Color = a_Color;\\n#endif\\n\\n @import ecgl.common.wireframe.vertexMain\\n}\\n\\n@end\\n\\n\\n@export ecgl.lambert.fragment\\n\\n#define LAYER_DIFFUSEMAP_COUNT 0\\n#define LAYER_EMISSIVEMAP_COUNT 0\\n\\n#define NORMAL_UP_AXIS 1\\n#define NORMAL_FRONT_AXIS 2\\n\\n@import ecgl.common.uv.fragmentHeader\\n\\nvarying vec3 v_Normal;\\nvarying vec3 v_WorldPosition;\\n\\nuniform sampler2D diffuseMap;\\nuniform sampler2D detailMap;\\n\\n@import ecgl.common.layers.header\\n\\nuniform float emissionIntensity: 1.0;\\n\\nuniform vec4 color : [1.0, 1.0, 1.0, 1.0];\\n\\nuniform mat4 viewInverse : VIEWINVERSE;\\n\\n#ifdef ATMOSPHERE_ENABLED\\nuniform mat4 viewTranspose: VIEWTRANSPOSE;\\nuniform vec3 glowColor;\\nuniform float glowPower;\\n#endif\\n\\n#ifdef AMBIENT_LIGHT_COUNT\\n@import clay.header.ambient_light\\n#endif\\n#ifdef AMBIENT_SH_LIGHT_COUNT\\n@import clay.header.ambient_sh_light\\n#endif\\n\\n#ifdef DIRECTIONAL_LIGHT_COUNT\\n@import clay.header.directional_light\\n#endif\\n\\n#ifdef VERTEX_COLOR\\nvarying vec4 v_Color;\\n#endif\\n\\n\\n@import ecgl.common.ssaoMap.header\\n\\n@import ecgl.common.bumpMap.header\\n\\n@import clay.util.srgb\\n\\n@import ecgl.common.wireframe.fragmentHeader\\n\\n@import clay.plugin.compute_shadow_map\\n\\nvoid main()\\n{\\n#ifdef SRGB_DECODE\\n gl_FragColor = sRGBToLinear(color);\\n#else\\n gl_FragColor = color;\\n#endif\\n\\n#ifdef VERTEX_COLOR\\n #ifdef SRGB_DECODE\\n gl_FragColor *= sRGBToLinear(v_Color);\\n #else\\n gl_FragColor *= v_Color;\\n #endif\\n#endif\\n\\n @import ecgl.common.albedo.main\\n\\n @import ecgl.common.diffuseLayer.main\\n\\n gl_FragColor *= albedoTexel;\\n\\n vec3 N = v_Normal;\\n#ifdef DOUBLE_SIDED\\n vec3 eyePos = viewInverse[3].xyz;\\n vec3 V = normalize(eyePos - v_WorldPosition);\\n\\n if (dot(N, V) < 0.0) {\\n N = -N;\\n }\\n#endif\\n\\n float ambientFactor = 1.0;\\n\\n#ifdef BUMPMAP_ENABLED\\n N = bumpNormal(v_WorldPosition, v_Normal, N);\\n ambientFactor = dot(v_Normal, N);\\n#endif\\n\\n vec3 N2 = vec3(N.x, N[NORMAL_UP_AXIS], N[NORMAL_FRONT_AXIS]);\\n\\n vec3 diffuseColor = vec3(0.0, 0.0, 0.0);\\n\\n @import ecgl.common.ssaoMap.main\\n\\n#ifdef AMBIENT_LIGHT_COUNT\\n for(int i = 0; i < AMBIENT_LIGHT_COUNT; i++)\\n {\\n diffuseColor += ambientLightColor[i] * ambientFactor * ao;\\n }\\n#endif\\n#ifdef AMBIENT_SH_LIGHT_COUNT\\n for(int _idx_ = 0; _idx_ < AMBIENT_SH_LIGHT_COUNT; _idx_++)\\n {{\\n diffuseColor += calcAmbientSHLight(_idx_, N2) * ambientSHLightColor[_idx_] * ao;\\n }}\\n#endif\\n#ifdef DIRECTIONAL_LIGHT_COUNT\\n#if defined(DIRECTIONAL_LIGHT_SHADOWMAP_COUNT)\\n float shadowContribsDir[DIRECTIONAL_LIGHT_COUNT];\\n if(shadowEnabled)\\n {\\n computeShadowOfDirectionalLights(v_WorldPosition, shadowContribsDir);\\n }\\n#endif\\n for(int i = 0; i < DIRECTIONAL_LIGHT_COUNT; i++)\\n {\\n vec3 lightDirection = -directionalLightDirection[i];\\n vec3 lightColor = directionalLightColor[i];\\n\\n float shadowContrib = 1.0;\\n#if defined(DIRECTIONAL_LIGHT_SHADOWMAP_COUNT)\\n if (shadowEnabled)\\n {\\n shadowContrib = shadowContribsDir[i];\\n }\\n#endif\\n\\n float ndl = dot(N, normalize(lightDirection)) * shadowContrib;\\n\\n diffuseColor += lightColor * clamp(ndl, 0.0, 1.0);\\n }\\n#endif\\n\\n gl_FragColor.rgb *= diffuseColor;\\n\\n#ifdef ATMOSPHERE_ENABLED\\n float atmoIntensity = pow(1.0 - dot(v_Normal, (viewTranspose * vec4(0.0, 0.0, 1.0, 0.0)).xyz), glowPower);\\n gl_FragColor.rgb += glowColor * atmoIntensity;\\n#endif\\n\\n @import ecgl.common.emissiveLayer.main\\n\\n @import ecgl.common.wireframe.fragmentMain\\n}\\n\\n@end\";","export default \"@export ecgl.realistic.vertex\\n\\n@import ecgl.common.transformUniforms\\n\\n@import ecgl.common.uv.header\\n\\n@import ecgl.common.attributes\\n\\n\\n@import ecgl.common.wireframe.vertexHeader\\n\\n#ifdef VERTEX_COLOR\\nattribute vec4 a_Color : COLOR;\\nvarying vec4 v_Color;\\n#endif\\n\\n#ifdef NORMALMAP_ENABLED\\nattribute vec4 tangent : TANGENT;\\nvarying vec3 v_Tangent;\\nvarying vec3 v_Bitangent;\\n#endif\\n\\n@import ecgl.common.vertexAnimation.header\\n\\nvarying vec3 v_Normal;\\nvarying vec3 v_WorldPosition;\\n\\nvoid main()\\n{\\n\\n @import ecgl.common.uv.main\\n\\n @import ecgl.common.vertexAnimation.main\\n\\n gl_Position = worldViewProjection * vec4(pos, 1.0);\\n\\n v_Normal = normalize((worldInverseTranspose * vec4(norm, 0.0)).xyz);\\n v_WorldPosition = (world * vec4(pos, 1.0)).xyz;\\n\\n#ifdef VERTEX_COLOR\\n v_Color = a_Color;\\n#endif\\n\\n#ifdef NORMALMAP_ENABLED\\n v_Tangent = normalize((worldInverseTranspose * vec4(tangent.xyz, 0.0)).xyz);\\n v_Bitangent = normalize(cross(v_Normal, v_Tangent) * tangent.w);\\n#endif\\n\\n @import ecgl.common.wireframe.vertexMain\\n\\n}\\n\\n@end\\n\\n\\n\\n@export ecgl.realistic.fragment\\n\\n#define LAYER_DIFFUSEMAP_COUNT 0\\n#define LAYER_EMISSIVEMAP_COUNT 0\\n#define PI 3.14159265358979\\n#define ROUGHNESS_CHANEL 0\\n#define METALNESS_CHANEL 1\\n\\n#define NORMAL_UP_AXIS 1\\n#define NORMAL_FRONT_AXIS 2\\n\\n#ifdef VERTEX_COLOR\\nvarying vec4 v_Color;\\n#endif\\n\\n@import ecgl.common.uv.fragmentHeader\\n\\nvarying vec3 v_Normal;\\nvarying vec3 v_WorldPosition;\\n\\nuniform sampler2D diffuseMap;\\n\\nuniform sampler2D detailMap;\\nuniform sampler2D metalnessMap;\\nuniform sampler2D roughnessMap;\\n\\n@import ecgl.common.layers.header\\n\\nuniform float emissionIntensity: 1.0;\\n\\nuniform vec4 color : [1.0, 1.0, 1.0, 1.0];\\n\\nuniform float metalness : 0.0;\\nuniform float roughness : 0.5;\\n\\nuniform mat4 viewInverse : VIEWINVERSE;\\n\\n#ifdef ATMOSPHERE_ENABLED\\nuniform mat4 viewTranspose: VIEWTRANSPOSE;\\nuniform vec3 glowColor;\\nuniform float glowPower;\\n#endif\\n\\n#ifdef AMBIENT_LIGHT_COUNT\\n@import clay.header.ambient_light\\n#endif\\n\\n#ifdef AMBIENT_SH_LIGHT_COUNT\\n@import clay.header.ambient_sh_light\\n#endif\\n\\n#ifdef AMBIENT_CUBEMAP_LIGHT_COUNT\\n@import clay.header.ambient_cubemap_light\\n#endif\\n\\n#ifdef DIRECTIONAL_LIGHT_COUNT\\n@import clay.header.directional_light\\n#endif\\n\\n@import ecgl.common.normalMap.fragmentHeader\\n\\n@import ecgl.common.ssaoMap.header\\n\\n@import ecgl.common.bumpMap.header\\n\\n@import clay.util.srgb\\n\\n@import clay.util.rgbm\\n\\n@import ecgl.common.wireframe.fragmentHeader\\n\\n@import clay.plugin.compute_shadow_map\\n\\nvec3 F_Schlick(float ndv, vec3 spec) {\\n return spec + (1.0 - spec) * pow(1.0 - ndv, 5.0);\\n}\\n\\nfloat D_Phong(float g, float ndh) {\\n float a = pow(8192.0, g);\\n return (a + 2.0) / 8.0 * pow(ndh, a);\\n}\\n\\nvoid main()\\n{\\n vec4 albedoColor = color;\\n\\n vec3 eyePos = viewInverse[3].xyz;\\n vec3 V = normalize(eyePos - v_WorldPosition);\\n#ifdef VERTEX_COLOR\\n #ifdef SRGB_DECODE\\n albedoColor *= sRGBToLinear(v_Color);\\n #else\\n albedoColor *= v_Color;\\n #endif\\n#endif\\n\\n @import ecgl.common.albedo.main\\n\\n @import ecgl.common.diffuseLayer.main\\n\\n albedoColor *= albedoTexel;\\n\\n float m = metalness;\\n\\n#ifdef METALNESSMAP_ENABLED\\n float m2 = texture2D(metalnessMap, v_DetailTexcoord)[METALNESS_CHANEL];\\n m = clamp(m2 + (m - 0.5) * 2.0, 0.0, 1.0);\\n#endif\\n\\n vec3 baseColor = albedoColor.rgb;\\n albedoColor.rgb = baseColor * (1.0 - m);\\n vec3 specFactor = mix(vec3(0.04), baseColor, m);\\n\\n float g = 1.0 - roughness;\\n\\n#ifdef ROUGHNESSMAP_ENABLED\\n float g2 = 1.0 - texture2D(roughnessMap, v_DetailTexcoord)[ROUGHNESS_CHANEL];\\n g = clamp(g2 + (g - 0.5) * 2.0, 0.0, 1.0);\\n#endif\\n\\n vec3 N = v_Normal;\\n\\n#ifdef DOUBLE_SIDED\\n if (dot(N, V) < 0.0) {\\n N = -N;\\n }\\n#endif\\n\\n float ambientFactor = 1.0;\\n\\n#ifdef BUMPMAP_ENABLED\\n N = bumpNormal(v_WorldPosition, v_Normal, N);\\n ambientFactor = dot(v_Normal, N);\\n#endif\\n\\n@import ecgl.common.normalMap.fragmentMain\\n\\n vec3 N2 = vec3(N.x, N[NORMAL_UP_AXIS], N[NORMAL_FRONT_AXIS]);\\n\\n vec3 diffuseTerm = vec3(0.0);\\n vec3 specularTerm = vec3(0.0);\\n\\n float ndv = clamp(dot(N, V), 0.0, 1.0);\\n vec3 fresnelTerm = F_Schlick(ndv, specFactor);\\n\\n @import ecgl.common.ssaoMap.main\\n\\n#ifdef AMBIENT_LIGHT_COUNT\\n for(int _idx_ = 0; _idx_ < AMBIENT_LIGHT_COUNT; _idx_++)\\n {{\\n diffuseTerm += ambientLightColor[_idx_] * ambientFactor * ao;\\n }}\\n#endif\\n\\n#ifdef AMBIENT_SH_LIGHT_COUNT\\n for(int _idx_ = 0; _idx_ < AMBIENT_SH_LIGHT_COUNT; _idx_++)\\n {{\\n diffuseTerm += calcAmbientSHLight(_idx_, N2) * ambientSHLightColor[_idx_] * ao;\\n }}\\n#endif\\n\\n#ifdef DIRECTIONAL_LIGHT_COUNT\\n#if defined(DIRECTIONAL_LIGHT_SHADOWMAP_COUNT)\\n float shadowContribsDir[DIRECTIONAL_LIGHT_COUNT];\\n if(shadowEnabled)\\n {\\n computeShadowOfDirectionalLights(v_WorldPosition, shadowContribsDir);\\n }\\n#endif\\n for(int _idx_ = 0; _idx_ < DIRECTIONAL_LIGHT_COUNT; _idx_++)\\n {{\\n vec3 L = -directionalLightDirection[_idx_];\\n vec3 lc = directionalLightColor[_idx_];\\n\\n vec3 H = normalize(L + V);\\n float ndl = clamp(dot(N, normalize(L)), 0.0, 1.0);\\n float ndh = clamp(dot(N, H), 0.0, 1.0);\\n\\n float shadowContrib = 1.0;\\n#if defined(DIRECTIONAL_LIGHT_SHADOWMAP_COUNT)\\n if (shadowEnabled)\\n {\\n shadowContrib = shadowContribsDir[_idx_];\\n }\\n#endif\\n\\n vec3 li = lc * ndl * shadowContrib;\\n\\n diffuseTerm += li;\\n specularTerm += li * fresnelTerm * D_Phong(g, ndh);\\n }}\\n#endif\\n\\n\\n#ifdef AMBIENT_CUBEMAP_LIGHT_COUNT\\n vec3 L = reflect(-V, N);\\n L = vec3(L.x, L[NORMAL_UP_AXIS], L[NORMAL_FRONT_AXIS]);\\n float rough2 = clamp(1.0 - g, 0.0, 1.0);\\n float bias2 = rough2 * 5.0;\\n vec2 brdfParam2 = texture2D(ambientCubemapLightBRDFLookup[0], vec2(rough2, ndv)).xy;\\n vec3 envWeight2 = specFactor * brdfParam2.x + brdfParam2.y;\\n vec3 envTexel2;\\n for(int _idx_ = 0; _idx_ < AMBIENT_CUBEMAP_LIGHT_COUNT; _idx_++)\\n {{\\n envTexel2 = RGBMDecode(textureCubeLodEXT(ambientCubemapLightCubemap[_idx_], L, bias2), 8.12);\\n specularTerm += ambientCubemapLightColor[_idx_] * envTexel2 * envWeight2 * ao;\\n }}\\n#endif\\n\\n gl_FragColor.rgb = albedoColor.rgb * diffuseTerm + specularTerm;\\n gl_FragColor.a = albedoColor.a;\\n\\n#ifdef ATMOSPHERE_ENABLED\\n float atmoIntensity = pow(1.0 - dot(v_Normal, (viewTranspose * vec4(0.0, 0.0, 1.0, 0.0)).xyz), glowPower);\\n gl_FragColor.rgb += glowColor * atmoIntensity;\\n#endif\\n\\n#ifdef SRGB_ENCODE\\n gl_FragColor = linearTosRGB(gl_FragColor);\\n#endif\\n\\n @import ecgl.common.emissiveLayer.main\\n\\n @import ecgl.common.wireframe.fragmentMain\\n}\\n\\n@end\";","export default \"@export ecgl.hatching.vertex\\n\\n@import ecgl.realistic.vertex\\n\\n@end\\n\\n\\n@export ecgl.hatching.fragment\\n\\n#define NORMAL_UP_AXIS 1\\n#define NORMAL_FRONT_AXIS 2\\n\\n@import ecgl.common.uv.fragmentHeader\\n\\nvarying vec3 v_Normal;\\nvarying vec3 v_WorldPosition;\\n\\nuniform vec4 color : [0.0, 0.0, 0.0, 1.0];\\nuniform vec4 paperColor : [1.0, 1.0, 1.0, 1.0];\\n\\nuniform mat4 viewInverse : VIEWINVERSE;\\n\\n#ifdef AMBIENT_LIGHT_COUNT\\n@import clay.header.ambient_light\\n#endif\\n#ifdef AMBIENT_SH_LIGHT_COUNT\\n@import clay.header.ambient_sh_light\\n#endif\\n\\n#ifdef DIRECTIONAL_LIGHT_COUNT\\n@import clay.header.directional_light\\n#endif\\n\\n#ifdef VERTEX_COLOR\\nvarying vec4 v_Color;\\n#endif\\n\\n\\n@import ecgl.common.ssaoMap.header\\n\\n@import ecgl.common.bumpMap.header\\n\\n@import clay.util.srgb\\n\\n@import ecgl.common.wireframe.fragmentHeader\\n\\n@import clay.plugin.compute_shadow_map\\n\\nuniform sampler2D hatch1;\\nuniform sampler2D hatch2;\\nuniform sampler2D hatch3;\\nuniform sampler2D hatch4;\\nuniform sampler2D hatch5;\\nuniform sampler2D hatch6;\\n\\nfloat shade(in float tone) {\\n vec4 c = vec4(1. ,1., 1., 1.);\\n float step = 1. / 6.;\\n vec2 uv = v_DetailTexcoord;\\n if (tone <= step / 2.0) {\\n c = mix(vec4(0.), texture2D(hatch6, uv), 12. * tone);\\n }\\n else if (tone <= step) {\\n c = mix(texture2D(hatch6, uv), texture2D(hatch5, uv), 6. * tone);\\n }\\n if(tone > step && tone <= 2. * step){\\n c = mix(texture2D(hatch5, uv), texture2D(hatch4, uv) , 6. * (tone - step));\\n }\\n if(tone > 2. * step && tone <= 3. * step){\\n c = mix(texture2D(hatch4, uv), texture2D(hatch3, uv), 6. * (tone - 2. * step));\\n }\\n if(tone > 3. * step && tone <= 4. * step){\\n c = mix(texture2D(hatch3, uv), texture2D(hatch2, uv), 6. * (tone - 3. * step));\\n }\\n if(tone > 4. * step && tone <= 5. * step){\\n c = mix(texture2D(hatch2, uv), texture2D(hatch1, uv), 6. * (tone - 4. * step));\\n }\\n if(tone > 5. * step){\\n c = mix(texture2D(hatch1, uv), vec4(1.), 6. * (tone - 5. * step));\\n }\\n\\n return c.r;\\n}\\n\\nconst vec3 w = vec3(0.2125, 0.7154, 0.0721);\\n\\nvoid main()\\n{\\n#ifdef SRGB_DECODE\\n vec4 inkColor = sRGBToLinear(color);\\n#else\\n vec4 inkColor = color;\\n#endif\\n\\n#ifdef VERTEX_COLOR\\n #ifdef SRGB_DECODE\\n inkColor *= sRGBToLinear(v_Color);\\n #else\\n inkColor *= v_Color;\\n #endif\\n#endif\\n\\n vec3 N = v_Normal;\\n#ifdef DOUBLE_SIDED\\n vec3 eyePos = viewInverse[3].xyz;\\n vec3 V = normalize(eyePos - v_WorldPosition);\\n\\n if (dot(N, V) < 0.0) {\\n N = -N;\\n }\\n#endif\\n\\n float tone = 0.0;\\n\\n float ambientFactor = 1.0;\\n\\n#ifdef BUMPMAP_ENABLED\\n N = bumpNormal(v_WorldPosition, v_Normal, N);\\n ambientFactor = dot(v_Normal, N);\\n#endif\\n\\n vec3 N2 = vec3(N.x, N[NORMAL_UP_AXIS], N[NORMAL_FRONT_AXIS]);\\n\\n @import ecgl.common.ssaoMap.main\\n\\n#ifdef AMBIENT_LIGHT_COUNT\\n for(int i = 0; i < AMBIENT_LIGHT_COUNT; i++)\\n {\\n tone += dot(ambientLightColor[i], w) * ambientFactor * ao;\\n }\\n#endif\\n#ifdef AMBIENT_SH_LIGHT_COUNT\\n for(int _idx_ = 0; _idx_ < AMBIENT_SH_LIGHT_COUNT; _idx_++)\\n {{\\n tone += dot(calcAmbientSHLight(_idx_, N2) * ambientSHLightColor[_idx_], w) * ao;\\n }}\\n#endif\\n#ifdef DIRECTIONAL_LIGHT_COUNT\\n#if defined(DIRECTIONAL_LIGHT_SHADOWMAP_COUNT)\\n float shadowContribsDir[DIRECTIONAL_LIGHT_COUNT];\\n if(shadowEnabled)\\n {\\n computeShadowOfDirectionalLights(v_WorldPosition, shadowContribsDir);\\n }\\n#endif\\n for(int i = 0; i < DIRECTIONAL_LIGHT_COUNT; i++)\\n {\\n vec3 lightDirection = -directionalLightDirection[i];\\n float lightTone = dot(directionalLightColor[i], w);\\n\\n float shadowContrib = 1.0;\\n#if defined(DIRECTIONAL_LIGHT_SHADOWMAP_COUNT)\\n if (shadowEnabled)\\n {\\n shadowContrib = shadowContribsDir[i];\\n }\\n#endif\\n\\n float ndl = dot(N, normalize(lightDirection)) * shadowContrib;\\n\\n tone += lightTone * clamp(ndl, 0.0, 1.0);\\n }\\n#endif\\n\\n gl_FragColor = mix(inkColor, paperColor, shade(clamp(tone, 0.0, 1.0)));\\n }\\n@end\\n\";","export default \"@export ecgl.sm.depth.vertex\\n\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\n\\nattribute vec3 position : POSITION;\\nattribute vec2 texcoord : TEXCOORD_0;\\n\\n#ifdef VERTEX_ANIMATION\\nattribute vec3 prevPosition;\\nuniform float percent : 1.0;\\n#endif\\n\\nvarying vec4 v_ViewPosition;\\nvarying vec2 v_Texcoord;\\n\\nvoid main(){\\n\\n#ifdef VERTEX_ANIMATION\\n vec3 pos = mix(prevPosition, position, percent);\\n#else\\n vec3 pos = position;\\n#endif\\n\\n v_ViewPosition = worldViewProjection * vec4(pos, 1.0);\\n gl_Position = v_ViewPosition;\\n\\n v_Texcoord = texcoord;\\n\\n}\\n@end\\n\\n\\n\\n@export ecgl.sm.depth.fragment\\n\\n@import clay.sm.depth.fragment\\n\\n@end\";","/**\n * Provide WebGL layer to zrender. Which is rendered on top of clay.\n *\n *\n * Relationship between zrender, LayerGL(renderer) and ViewGL(Scene, Camera, Viewport)\n *           zrender\n *           /     \\\n *      LayerGL   LayerGL\n *    (renderer) (renderer)\n *      /     \\\n *  ViewGL   ViewGL\n *\n * @module echarts-gl/core/LayerGL\n * @author Yi Shen(http://github.com/pissang)\n */\nimport * as echarts from 'echarts/lib/echarts';\nimport Renderer from 'claygl/src/Renderer';\nimport RayPicking from 'claygl/src/picking/RayPicking';\nimport Texture from 'claygl/src/Texture';\nimport graphicGL from '../util/graphicGL'; // PENDING, clay. notifier is same with zrender Eventful\n\nimport notifier from 'claygl/src/core/mixin/notifier';\nimport requestAnimationFrame from 'zrender/lib/animation/requestAnimationFrame';\n/**\n * @constructor\n * @alias module:echarts-gl/core/LayerGL\n * @param {string} id Layer ID\n * @param {module:zrender/ZRender} zr\n */\n\nvar LayerGL = function (id, zr) {\n  /**\n   * Layer ID\n   * @type {string}\n   */\n  this.id = id;\n  /**\n   * @type {module:zrender/ZRender}\n   */\n\n  this.zr = zr;\n  /**\n   * @type {clay.Renderer}\n   */\n\n  try {\n    this.renderer = new Renderer({\n      clearBit: 0,\n      devicePixelRatio: zr.painter.dpr,\n      preserveDrawingBuffer: true,\n      // PENDING\n      premultipliedAlpha: true\n    });\n    this.renderer.resize(zr.painter.getWidth(), zr.painter.getHeight());\n  } catch (e) {\n    this.renderer = null;\n    this.dom = document.createElement('div');\n    this.dom.style.cssText = 'position:absolute; left: 0; top: 0; right: 0; bottom: 0;';\n    this.dom.className = 'ecgl-nowebgl';\n    this.dom.innerHTML = 'Sorry, your browser does not support WebGL';\n    console.error(e);\n    return;\n  }\n\n  this.onglobalout = this.onglobalout.bind(this);\n  zr.on('globalout', this.onglobalout);\n  /**\n   * Canvas dom for webgl rendering\n   * @type {HTMLCanvasElement}\n   */\n\n  this.dom = this.renderer.canvas;\n  var style = this.dom.style;\n  style.position = 'absolute';\n  style.left = '0';\n  style.top = '0';\n  /**\n   * @type {Array.<clay.Scene>}\n   */\n\n  this.views = [];\n  this._picking = new RayPicking({\n    renderer: this.renderer\n  });\n  this._viewsToDispose = [];\n  /**\n   * Current accumulating id.\n   */\n\n  this._accumulatingId = 0;\n  this._zrEventProxy = new echarts.graphic.Rect({\n    shape: {\n      x: -1,\n      y: -1,\n      width: 2,\n      height: 2\n    },\n    // FIXME Better solution.\n    __isGLToZRProxy: true\n  });\n  this._backgroundColor = null;\n};\n\nLayerGL.prototype.setUnpainted = function () {};\n/**\n * @param {module:echarts-gl/core/ViewGL} view\n */\n\n\nLayerGL.prototype.addView = function (view) {\n  if (view.layer === this) {\n    return;\n  } // If needs to dispose in this layer. unmark it.\n\n\n  var idx = this._viewsToDispose.indexOf(view);\n\n  if (idx >= 0) {\n    this._viewsToDispose.splice(idx, 1);\n  }\n\n  this.views.push(view);\n  view.layer = this;\n  var zr = this.zr;\n  view.scene.traverse(function (node) {\n    node.__zr = zr;\n\n    if (node.addAnimatorsToZr) {\n      node.addAnimatorsToZr(zr);\n    }\n  });\n};\n\nfunction removeFromZr(node) {\n  var zr = node.__zr;\n  node.__zr = null;\n\n  if (zr && node.removeAnimatorsFromZr) {\n    node.removeAnimatorsFromZr(zr);\n  }\n}\n/**\n * @param {module:echarts-gl/core/ViewGL} view\n */\n\n\nLayerGL.prototype.removeView = function (view) {\n  if (view.layer !== this) {\n    return;\n  }\n\n  var idx = this.views.indexOf(view);\n\n  if (idx >= 0) {\n    this.views.splice(idx, 1);\n    view.scene.traverse(removeFromZr, this);\n    view.layer = null; // Mark to dispose in this layer.\n\n    this._viewsToDispose.push(view);\n  }\n};\n/**\n * Remove all views\n */\n\n\nLayerGL.prototype.removeViewsAll = function () {\n  this.views.forEach(function (view) {\n    view.scene.traverse(removeFromZr, this);\n    view.layer = null; // Mark to dispose in this layer.\n\n    this._viewsToDispose.push(view);\n  }, this);\n  this.views.length = 0;\n};\n/**\n * Resize the canvas and viewport, will be invoked by zrender\n * @param  {number} width\n * @param  {number} height\n */\n\n\nLayerGL.prototype.resize = function (width, height) {\n  var renderer = this.renderer;\n  renderer.resize(width, height);\n};\n/**\n * Clear color and depth\n * @return {[type]} [description]\n */\n\n\nLayerGL.prototype.clear = function () {\n  var gl = this.renderer.gl;\n  var clearColor = this._backgroundColor || [0, 0, 0, 0];\n  gl.clearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[3]);\n  gl.depthMask(true);\n  gl.colorMask(true, true, true, true);\n  gl.clear(gl.DEPTH_BUFFER_BIT | gl.COLOR_BUFFER_BIT);\n};\n/**\n * Clear depth\n */\n\n\nLayerGL.prototype.clearDepth = function () {\n  var gl = this.renderer.gl;\n  gl.clear(gl.DEPTH_BUFFER_BIT);\n};\n/**\n * Clear color\n */\n\n\nLayerGL.prototype.clearColor = function () {\n  var gl = this.renderer.gl;\n  gl.clearColor(0, 0, 0, 0);\n  gl.clear(gl.COLOR_BUFFER_BIT);\n};\n/**\n * Mark layer to refresh next tick\n */\n\n\nLayerGL.prototype.needsRefresh = function () {\n  this.zr.refresh();\n};\n/**\n * Refresh the layer, will be invoked by zrender\n */\n\n\nLayerGL.prototype.refresh = function (bgColor) {\n  this._backgroundColor = bgColor ? graphicGL.parseColor(bgColor) : [0, 0, 0, 0];\n  this.renderer.clearColor = this._backgroundColor;\n\n  for (var i = 0; i < this.views.length; i++) {\n    this.views[i].prepareRender(this.renderer);\n  }\n\n  this._doRender(false); // Auto dispose unused resources on GPU, like program(shader), texture, geometry(buffers)\n\n\n  this._trackAndClean(); // Dispose trashed views\n\n\n  for (var i = 0; i < this._viewsToDispose.length; i++) {\n    this._viewsToDispose[i].dispose(this.renderer);\n  }\n\n  this._viewsToDispose.length = 0;\n\n  this._startAccumulating();\n};\n\nLayerGL.prototype.renderToCanvas = function (ctx) {\n  // PENDING will block the page\n  this._startAccumulating(true);\n\n  ctx.drawImage(this.dom, 0, 0, ctx.canvas.width, ctx.canvas.height);\n};\n\nLayerGL.prototype._doRender = function (accumulating) {\n  this.clear();\n  this.renderer.saveViewport();\n\n  for (var i = 0; i < this.views.length; i++) {\n    this.views[i].render(this.renderer, accumulating);\n  }\n\n  this.renderer.restoreViewport();\n};\n/**\n * Stop accumulating\n */\n\n\nLayerGL.prototype._stopAccumulating = function () {\n  this._accumulatingId = 0;\n  clearTimeout(this._accumulatingTimeout);\n};\n\nvar accumulatingId = 1;\n/**\n * Start accumulating all the views.\n * Accumulating is for antialising and have more sampling in SSAO\n * @private\n */\n\nLayerGL.prototype._startAccumulating = function (immediate) {\n  var self = this;\n\n  this._stopAccumulating();\n\n  var needsAccumulate = false;\n\n  for (var i = 0; i < this.views.length; i++) {\n    needsAccumulate = this.views[i].needsAccumulate() || needsAccumulate;\n  }\n\n  if (!needsAccumulate) {\n    return;\n  }\n\n  function accumulate(id) {\n    if (!self._accumulatingId || id !== self._accumulatingId) {\n      return;\n    }\n\n    var isFinished = true;\n\n    for (var i = 0; i < self.views.length; i++) {\n      isFinished = self.views[i].isAccumulateFinished() && needsAccumulate;\n    }\n\n    if (!isFinished) {\n      self._doRender(true);\n\n      if (immediate) {\n        accumulate(id);\n      } else {\n        requestAnimationFrame(function () {\n          accumulate(id);\n        });\n      }\n    }\n  }\n\n  this._accumulatingId = accumulatingId++;\n\n  if (immediate) {\n    accumulate(self._accumulatingId);\n  } else {\n    this._accumulatingTimeout = setTimeout(function () {\n      accumulate(self._accumulatingId);\n    }, 50);\n  }\n};\n\nLayerGL.prototype._trackAndClean = function () {\n  var textureList = [];\n  var geometriesList = []; // Mark all resources unused;\n\n  if (this._textureList) {\n    markUnused(this._textureList);\n    markUnused(this._geometriesList);\n  }\n\n  for (var i = 0; i < this.views.length; i++) {\n    collectResources(this.views[i].scene, textureList, geometriesList);\n  } // Dispose those unsed resources.\n\n\n  if (this._textureList) {\n    checkAndDispose(this.renderer, this._textureList);\n    checkAndDispose(this.renderer, this._geometriesList);\n  }\n\n  this._textureList = textureList;\n  this._geometriesList = geometriesList;\n};\n\nfunction markUnused(resourceList) {\n  for (var i = 0; i < resourceList.length; i++) {\n    resourceList[i].__used__ = 0;\n  }\n}\n\nfunction checkAndDispose(renderer, resourceList) {\n  for (var i = 0; i < resourceList.length; i++) {\n    if (!resourceList[i].__used__) {\n      resourceList[i].dispose(renderer);\n    }\n  }\n}\n\nfunction updateUsed(resource, list) {\n  resource.__used__ = resource.__used__ || 0;\n  resource.__used__++;\n\n  if (resource.__used__ === 1) {\n    // Don't push to the list twice.\n    list.push(resource);\n  }\n}\n\nfunction collectResources(scene, textureResourceList, geometryResourceList) {\n  var prevMaterial;\n  var prevGeometry;\n  scene.traverse(function (renderable) {\n    if (renderable.isRenderable()) {\n      var geometry = renderable.geometry;\n      var material = renderable.material; // TODO optimize!!\n\n      if (material !== prevMaterial) {\n        var textureUniforms = material.getTextureUniforms();\n\n        for (var u = 0; u < textureUniforms.length; u++) {\n          var uniformName = textureUniforms[u];\n          var val = material.uniforms[uniformName].value;\n\n          if (!val) {\n            continue;\n          }\n\n          if (val instanceof Texture) {\n            updateUsed(val, textureResourceList);\n          } else if (val instanceof Array) {\n            for (var k = 0; k < val.length; k++) {\n              if (val[k] instanceof Texture) {\n                updateUsed(val[k], textureResourceList);\n              }\n            }\n          }\n        }\n      }\n\n      if (geometry !== prevGeometry) {\n        updateUsed(geometry, geometryResourceList);\n      }\n\n      prevMaterial = material;\n      prevGeometry = geometry;\n    }\n  });\n\n  for (var k = 0; k < scene.lights.length; k++) {\n    // Track AmbientCubemap\n    if (scene.lights[k].cubemap) {\n      updateUsed(scene.lights[k].cubemap, textureResourceList);\n    }\n  }\n}\n/**\n * Dispose the layer\n */\n\n\nLayerGL.prototype.dispose = function () {\n  this._stopAccumulating();\n\n  this.renderer.disposeScene(this.scene);\n  this.zr.off('globalout', this.onglobalout);\n}; // Event handlers\n\n\nLayerGL.prototype.onmousedown = function (e) {\n  if (e.target && e.target.__isGLToZRProxy) {\n    return;\n  }\n\n  e = e.event;\n  var obj = this.pickObject(e.offsetX, e.offsetY);\n\n  if (obj) {\n    this._dispatchEvent('mousedown', e, obj);\n\n    this._dispatchDataEvent('mousedown', e, obj);\n  }\n\n  this._downX = e.offsetX;\n  this._downY = e.offsetY;\n};\n\nLayerGL.prototype.onmousemove = function (e) {\n  if (e.target && e.target.__isGLToZRProxy) {\n    return;\n  }\n\n  e = e.event;\n  var obj = this.pickObject(e.offsetX, e.offsetY);\n  var target = obj && obj.target;\n  var lastHovered = this._hovered;\n  this._hovered = obj;\n\n  if (lastHovered && target !== lastHovered.target) {\n    lastHovered.relatedTarget = target;\n\n    this._dispatchEvent('mouseout', e, lastHovered); // this._dispatchDataEvent('mouseout', e, lastHovered);\n\n\n    this.zr.setCursorStyle('default');\n  }\n\n  this._dispatchEvent('mousemove', e, obj);\n\n  if (obj) {\n    this.zr.setCursorStyle('pointer');\n\n    if (!lastHovered || target !== lastHovered.target) {\n      this._dispatchEvent('mouseover', e, obj); // this._dispatchDataEvent('mouseover', e, obj);\n\n    }\n  }\n\n  this._dispatchDataEvent('mousemove', e, obj);\n};\n\nLayerGL.prototype.onmouseup = function (e) {\n  if (e.target && e.target.__isGLToZRProxy) {\n    return;\n  }\n\n  e = e.event;\n  var obj = this.pickObject(e.offsetX, e.offsetY);\n\n  if (obj) {\n    this._dispatchEvent('mouseup', e, obj);\n\n    this._dispatchDataEvent('mouseup', e, obj);\n  }\n\n  this._upX = e.offsetX;\n  this._upY = e.offsetY;\n};\n\nLayerGL.prototype.onclick = LayerGL.prototype.dblclick = function (e) {\n  if (e.target && e.target.__isGLToZRProxy) {\n    return;\n  } // Ignore click event if mouse moved\n\n\n  var dx = this._upX - this._downX;\n  var dy = this._upY - this._downY;\n\n  if (Math.sqrt(dx * dx + dy * dy) > 20) {\n    return;\n  }\n\n  e = e.event;\n  var obj = this.pickObject(e.offsetX, e.offsetY);\n\n  if (obj) {\n    this._dispatchEvent(e.type, e, obj);\n\n    this._dispatchDataEvent(e.type, e, obj);\n  } // Try set depth of field onclick\n\n\n  var result = this._clickToSetFocusPoint(e);\n\n  if (result) {\n    var success = result.view.setDOFFocusOnPoint(result.distance);\n\n    if (success) {\n      this.zr.refresh();\n    }\n  }\n};\n\nLayerGL.prototype._clickToSetFocusPoint = function (e) {\n  var renderer = this.renderer;\n  var oldViewport = renderer.viewport;\n\n  for (var i = this.views.length - 1; i >= 0; i--) {\n    var viewGL = this.views[i];\n\n    if (viewGL.hasDOF() && viewGL.containPoint(e.offsetX, e.offsetY)) {\n      this._picking.scene = viewGL.scene;\n      this._picking.camera = viewGL.camera; // Only used for picking, renderer.setViewport will also invoke gl.viewport.\n      // Set directly, PENDING.\n\n      renderer.viewport = viewGL.viewport;\n\n      var result = this._picking.pick(e.offsetX, e.offsetY, true);\n\n      if (result) {\n        result.view = viewGL;\n        return result;\n      }\n    }\n  }\n\n  renderer.viewport = oldViewport;\n};\n\nLayerGL.prototype.onglobalout = function (e) {\n  var lastHovered = this._hovered;\n\n  if (lastHovered) {\n    this._dispatchEvent('mouseout', e, {\n      target: lastHovered.target\n    });\n  }\n};\n\nLayerGL.prototype.pickObject = function (x, y) {\n  var output = [];\n  var renderer = this.renderer;\n  var oldViewport = renderer.viewport;\n\n  for (var i = 0; i < this.views.length; i++) {\n    var viewGL = this.views[i];\n\n    if (viewGL.containPoint(x, y)) {\n      this._picking.scene = viewGL.scene;\n      this._picking.camera = viewGL.camera; // Only used for picking, renderer.setViewport will also invoke gl.viewport.\n      // Set directly, PENDING.\n\n      renderer.viewport = viewGL.viewport;\n\n      this._picking.pickAll(x, y, output);\n    }\n  }\n\n  renderer.viewport = oldViewport;\n  output.sort(function (a, b) {\n    return a.distance - b.distance;\n  });\n  return output[0];\n};\n\nLayerGL.prototype._dispatchEvent = function (eveName, originalEvent, newEvent) {\n  if (!newEvent) {\n    newEvent = {};\n  }\n\n  var current = newEvent.target;\n  newEvent.cancelBubble = false;\n  newEvent.event = originalEvent;\n  newEvent.type = eveName;\n  newEvent.offsetX = originalEvent.offsetX;\n  newEvent.offsetY = originalEvent.offsetY;\n\n  while (current) {\n    current.trigger(eveName, newEvent);\n    current = current.getParent();\n\n    if (newEvent.cancelBubble) {\n      break;\n    }\n  }\n\n  this._dispatchToView(eveName, newEvent);\n};\n\nLayerGL.prototype._dispatchDataEvent = function (eveName, originalEvent, newEvent) {\n  var mesh = newEvent && newEvent.target;\n  var dataIndex = mesh && mesh.dataIndex;\n  var seriesIndex = mesh && mesh.seriesIndex; // Custom event data\n\n  var eventData = mesh && mesh.eventData;\n  var elChangedInMouseMove = false;\n  var eventProxy = this._zrEventProxy;\n  eventProxy.x = originalEvent.offsetX;\n  eventProxy.y = originalEvent.offsetY;\n  eventProxy.update();\n  var targetInfo = {\n    target: eventProxy\n  };\n  const ecData = echarts.helper.getECData(eventProxy);\n\n  if (eveName === 'mousemove') {\n    if (dataIndex != null) {\n      if (dataIndex !== this._lastDataIndex) {\n        if (parseInt(this._lastDataIndex, 10) >= 0) {\n          ecData.dataIndex = this._lastDataIndex;\n          ecData.seriesIndex = this._lastSeriesIndex; // FIXME May cause double events.\n\n          this.zr.handler.dispatchToElement(targetInfo, 'mouseout', originalEvent);\n        }\n\n        elChangedInMouseMove = true;\n      }\n    } else if (eventData != null) {\n      if (eventData !== this._lastEventData) {\n        if (this._lastEventData != null) {\n          ecData.eventData = this._lastEventData; // FIXME May cause double events.\n\n          this.zr.handler.dispatchToElement(targetInfo, 'mouseout', originalEvent);\n        }\n\n        elChangedInMouseMove = true;\n      }\n    }\n\n    this._lastEventData = eventData;\n    this._lastDataIndex = dataIndex;\n    this._lastSeriesIndex = seriesIndex;\n  }\n\n  ecData.eventData = eventData;\n  ecData.dataIndex = dataIndex;\n  ecData.seriesIndex = seriesIndex;\n\n  if (eventData != null || parseInt(dataIndex, 10) >= 0 && parseInt(seriesIndex, 10) >= 0) {\n    this.zr.handler.dispatchToElement(targetInfo, eveName, originalEvent);\n\n    if (elChangedInMouseMove) {\n      this.zr.handler.dispatchToElement(targetInfo, 'mouseover', originalEvent);\n    }\n  }\n};\n\nLayerGL.prototype._dispatchToView = function (eventName, e) {\n  for (var i = 0; i < this.views.length; i++) {\n    if (this.views[i].containPoint(e.offsetX, e.offsetY)) {\n      this.views[i].trigger(eventName, e);\n    }\n  }\n};\n\nObject.assign(LayerGL.prototype, notifier);\nexport default LayerGL;","import * as echarts from 'echarts/lib/echarts';\nvar GL_SERIES = ['bar3D', 'line3D', 'map3D', 'scatter3D', 'surface', 'lines3D', 'scatterGL', 'scatter3D'];\n\nfunction convertNormalEmphasis(option, optType) {\n  if (option && option[optType] && (option[optType].normal || option[optType].emphasis)) {\n    var normalOpt = option[optType].normal;\n    var emphasisOpt = option[optType].emphasis;\n\n    if (normalOpt) {\n      option[optType] = normalOpt;\n    }\n\n    if (emphasisOpt) {\n      option.emphasis = option.emphasis || {};\n      option.emphasis[optType] = emphasisOpt;\n    }\n  }\n}\n\nfunction convertNormalEmphasisForEach(option) {\n  convertNormalEmphasis(option, 'itemStyle');\n  convertNormalEmphasis(option, 'lineStyle');\n  convertNormalEmphasis(option, 'areaStyle');\n  convertNormalEmphasis(option, 'label');\n}\n\nfunction removeTextStyleInAxis(axesOpt) {\n  if (!axesOpt) {\n    return;\n  }\n\n  if (!(axesOpt instanceof Array)) {\n    axesOpt = [axesOpt];\n  }\n\n  echarts.util.each(axesOpt, function (axisOpt) {\n    if (axisOpt.axisLabel) {\n      var labelOpt = axisOpt.axisLabel;\n      Object.assign(labelOpt, labelOpt.textStyle);\n      labelOpt.textStyle = null;\n    }\n  });\n}\n\nexport default function (option) {\n  echarts.util.each(option.series, function (series) {\n    if (echarts.util.indexOf(GL_SERIES, series.type) >= 0) {\n      convertNormalEmphasisForEach(series); // Compatitable with original mapbox\n\n      if (series.coordinateSystem === 'mapbox') {\n        series.coordinateSystem = 'mapbox3D';\n        option.mapbox3D = option.mapbox;\n      }\n    }\n  });\n  removeTextStyleInAxis(option.xAxis3D);\n  removeTextStyleInAxis(option.yAxis3D);\n  removeTextStyleInAxis(option.zAxis3D);\n  removeTextStyleInAxis(option.grid3D);\n  convertNormalEmphasis(option.geo3D);\n}\n;","/**\n * echarts-gl\n * Extension pack of ECharts providing 3d plots and globe visualization\n *\n * Copyright (c) 2014, echarts-gl\n * All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are met:\n *\n * * Redistributions of source code must retain the above copyright notice, this\n *   list of conditions and the following disclaimer.\n *\n * * Redistributions in binary form must reproduce the above copyright notice,\n *   this list of conditions and the following disclaimer in the documentation\n *   and/or other materials provided with the distribution.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\"\n * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\n * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE\n * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\n * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR\n * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER\n * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,\n * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n */\nimport * as echarts from 'echarts/lib/echarts';\nimport LayerGL from './core/LayerGL';\nimport backwardCompat from './preprocessor/backwardCompat';\n\nfunction EChartsGL(zr) {\n  this._layers = {};\n  this._zr = zr;\n}\n\nEChartsGL.prototype.update = function (ecModel, api) {\n  var self = this;\n  var zr = api.getZr();\n\n  if (!zr.getWidth() || !zr.getHeight()) {\n    console.warn('Dom has no width or height');\n    return;\n  }\n\n  function getLayerGL(model) {\n    // Disable auto sleep in gl layer.\n    zr.setSleepAfterStill(0);\n    var zlevel; // Host on coordinate system.\n\n    if (model.coordinateSystem && model.coordinateSystem.model) {\n      zlevel = model.get('zlevel');\n    } else {\n      zlevel = model.get('zlevel');\n    }\n\n    var layers = self._layers;\n    var layerGL = layers[zlevel];\n\n    if (!layerGL) {\n      layerGL = layers[zlevel] = new LayerGL('gl-' + zlevel, zr);\n\n      if (zr.painter.isSingleCanvas()) {\n        layerGL.virtual = true; // If container is canvas, use image to represent LayerGL\n        // FIXME Performance\n\n        var img = new echarts.graphic.Image({\n          z: 1e4,\n          style: {\n            image: layerGL.renderer.canvas\n          },\n          silent: true\n        });\n        layerGL.__hostImage = img;\n        zr.add(img);\n      }\n\n      zr.painter.insertLayer(zlevel, layerGL);\n    }\n\n    if (layerGL.__hostImage) {\n      layerGL.__hostImage.setStyle({\n        width: layerGL.renderer.getWidth(),\n        height: layerGL.renderer.getHeight()\n      });\n    }\n\n    return layerGL;\n  }\n\n  function setSilent(groupGL, silent) {\n    if (groupGL) {\n      groupGL.traverse(function (mesh) {\n        if (mesh.isRenderable && mesh.isRenderable()) {\n          mesh.ignorePicking = mesh.$ignorePicking != null ? mesh.$ignorePicking : silent;\n        }\n      });\n    }\n  }\n\n  for (var zlevel in this._layers) {\n    this._layers[zlevel].removeViewsAll();\n  }\n\n  ecModel.eachComponent(function (componentType, componentModel) {\n    if (componentType !== 'series') {\n      var view = api.getViewOfComponentModel(componentModel);\n      var coordSys = componentModel.coordinateSystem; // View with __ecgl__ flag is a echarts-gl component.\n\n      if (view.__ecgl__) {\n        var viewGL;\n\n        if (coordSys) {\n          if (!coordSys.viewGL) {\n            console.error('Can\\'t find viewGL in coordinateSystem of component ' + componentModel.id);\n            return;\n          }\n\n          viewGL = coordSys.viewGL;\n        } else {\n          if (!componentModel.viewGL) {\n            console.error('Can\\'t find viewGL of component ' + componentModel.id);\n            return;\n          }\n\n          viewGL = coordSys.viewGL;\n        }\n\n        var viewGL = coordSys.viewGL;\n        var layerGL = getLayerGL(componentModel);\n        layerGL.addView(viewGL);\n        view.afterRender && view.afterRender(componentModel, ecModel, api, layerGL);\n        setSilent(view.groupGL, componentModel.get('silent'));\n      }\n    }\n  });\n  ecModel.eachSeries(function (seriesModel) {\n    var chartView = api.getViewOfSeriesModel(seriesModel);\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (chartView.__ecgl__) {\n      if (coordSys && !coordSys.viewGL && !chartView.viewGL) {\n        console.error('Can\\'t find viewGL of series ' + chartView.id);\n        return;\n      }\n\n      var viewGL = coordSys && coordSys.viewGL || chartView.viewGL; // TODO Check zlevel not same with component of coordinate system ?\n\n      var layerGL = getLayerGL(seriesModel);\n      layerGL.addView(viewGL);\n      chartView.afterRender && chartView.afterRender(seriesModel, ecModel, api, layerGL);\n      setSilent(chartView.groupGL, seriesModel.get('silent'));\n    }\n  });\n}; // Hack original getRenderedCanvas. Will removed after new echarts released\n// TODO\n\n\necharts.registerPostInit(function (chart) {\n  chart.getZr().painter.getRenderedCanvas = function (opts) {\n    opts = opts || {};\n\n    if (this._singleCanvas) {\n      return this._layers[0].dom;\n    }\n\n    var canvas = document.createElement('canvas');\n    var dpr = opts.pixelRatio || this.dpr;\n    canvas.width = this.getWidth() * dpr;\n    canvas.height = this.getHeight() * dpr;\n    var ctx = canvas.getContext('2d');\n    ctx.dpr = dpr;\n    ctx.clearRect(0, 0, canvas.width, canvas.height);\n\n    if (opts.backgroundColor) {\n      ctx.fillStyle = opts.backgroundColor;\n      ctx.fillRect(0, 0, canvas.width, canvas.height);\n    }\n\n    var displayList = this.storage.getDisplayList(true);\n    var scope = {};\n    var zlevel;\n    var self = this;\n\n    function findAndDrawOtherLayer(smaller, larger) {\n      var zlevelList = self._zlevelList;\n\n      if (smaller == null) {\n        smaller = -Infinity;\n      }\n\n      var intermediateLayer;\n\n      for (var i = 0; i < zlevelList.length; i++) {\n        var z = zlevelList[i];\n        var layer = self._layers[z];\n\n        if (!layer.__builtin__ && z > smaller && z < larger) {\n          intermediateLayer = layer;\n          break;\n        }\n      }\n\n      if (intermediateLayer && intermediateLayer.renderToCanvas) {\n        ctx.save();\n        intermediateLayer.renderToCanvas(ctx);\n        ctx.restore();\n      }\n    }\n\n    var layer = {\n      ctx: ctx\n    };\n\n    for (var i = 0; i < displayList.length; i++) {\n      var el = displayList[i];\n\n      if (el.zlevel !== zlevel) {\n        findAndDrawOtherLayer(zlevel, el.zlevel);\n        zlevel = el.zlevel;\n      }\n\n      this._doPaintEl(el, layer, true, null, scope);\n    }\n\n    findAndDrawOtherLayer(zlevel, Infinity);\n    return canvas;\n  };\n});\necharts.registerPostUpdate(function (ecModel, api) {\n  var zr = api.getZr();\n  var egl = zr.__egl = zr.__egl || new EChartsGL(zr);\n  egl.update(ecModel, api);\n});\necharts.registerPreprocessor(backwardCompat);\nexport default EChartsGL;","export default {\n  defaultOption: {\n    viewControl: {\n      // perspective, orthographic.\n      // TODO Isometric\n      projection: 'perspective',\n      // If rotate on on init\n      autoRotate: false,\n      // cw or ccw\n      autoRotateDirection: 'cw',\n      // Degree per second\n      autoRotateSpeed: 10,\n      // Start rotating after still for a given time\n      // default is 3 seconds\n      autoRotateAfterStill: 3,\n      // Rotate, zoom damping.\n      damping: 0.8,\n      // Sensitivities for operations.\n      // Can be array to set x,y respectively\n      rotateSensitivity: 1,\n      zoomSensitivity: 1,\n      // Can be array to set x,y respectively\n      panSensitivity: 1,\n      // Which mouse button do rotate or pan\n      panMouseButton: 'middle',\n      rotateMouseButton: 'left',\n      // Distance to the target\n      // Only available when camera is perspective.\n      distance: 150,\n      // Min distance mouse can zoom in\n      minDistance: 40,\n      // Max distance mouse can zoom out\n      maxDistance: 400,\n      // Size of viewing volume.\n      // Only available when camera is orthographic\n      orthographicSize: 150,\n      maxOrthographicSize: 400,\n      minOrthographicSize: 20,\n      // Center view point\n      center: [0, 0, 0],\n      // Alpha angle for top-down rotation\n      // Positive to rotate to top.\n      alpha: 0,\n      // beta angle for left-right rotation\n      // Positive to rotate to right.\n      beta: 0,\n      minAlpha: -90,\n      maxAlpha: 90 // minBeta: -Infinity\n      // maxBeta: -Infinity\n\n    }\n  },\n  setView: function (opts) {\n    opts = opts || {};\n    this.option.viewControl = this.option.viewControl || {};\n\n    if (opts.alpha != null) {\n      this.option.viewControl.alpha = opts.alpha;\n    }\n\n    if (opts.beta != null) {\n      this.option.viewControl.beta = opts.beta;\n    }\n\n    if (opts.distance != null) {\n      this.option.viewControl.distance = opts.distance;\n    }\n\n    if (opts.center != null) {\n      this.option.viewControl.center = opts.center;\n    }\n  }\n};","export default {\n  defaultOption: {\n    // Post effect\n    postEffect: {\n      enable: false,\n      bloom: {\n        enable: true,\n        intensity: 0.1\n      },\n      depthOfField: {\n        enable: false,\n        focalRange: 20,\n        focalDistance: 50,\n        blurRadius: 10,\n        fstop: 2.8,\n        quality: 'medium'\n      },\n      screenSpaceAmbientOcclusion: {\n        enable: false,\n        radius: 2,\n        // low, medium, high, ultra\n        quality: 'medium',\n        intensity: 1\n      },\n      screenSpaceReflection: {\n        enable: false,\n        quality: 'medium',\n        maxRoughness: 0.8\n      },\n      colorCorrection: {\n        enable: true,\n        exposure: 0,\n        brightness: 0,\n        contrast: 1,\n        saturation: 1,\n        lookupTexture: ''\n      },\n      edge: {\n        enable: false\n      },\n      FXAA: {\n        enable: false\n      }\n    },\n    // Temporal super sampling when the picture is still.\n    temporalSuperSampling: {\n      // Only enabled when postEffect is enabled\n      enable: 'auto'\n    }\n  }\n};","export default {\n  defaultOption: {\n    // Light is available when material.shading is not color\n    light: {\n      // Main light\n      main: {\n        shadow: false,\n        // low, medium, high, ultra\n        shadowQuality: 'high',\n        color: '#fff',\n        intensity: 1,\n        alpha: 0,\n        beta: 0\n      },\n      ambient: {\n        color: '#fff',\n        intensity: 0.2\n      },\n      ambientCubemap: {\n        // Panorama environment texture,\n        // Support .hdr and commmon web formats.\n        texture: null,\n        // Available when texture is hdr.\n        exposure: 1,\n        // Intensity for diffuse term\n        diffuseIntensity: 0.5,\n        // Intensity for specular term, only available when shading is realastic\n        specularIntensity: 0.5\n      }\n    }\n  }\n};","import * as echarts from 'echarts/lib/echarts';\nimport componentViewControlMixin from '../common/componentViewControlMixin';\nimport componentPostEffectMixin from '../common/componentPostEffectMixin';\nimport componentLightMixin from '../common/componentLightMixin';\nvar Grid3DModel = echarts.ComponentModel.extend({\n  type: 'grid3D',\n  dependencies: ['xAxis3D', 'yAxis3D', 'zAxis3D'],\n  defaultOption: {\n    show: true,\n    zlevel: -10,\n    // Layout used for viewport\n    left: 0,\n    top: 0,\n    width: '100%',\n    height: '100%',\n    environment: 'auto',\n    // Dimension of grid3D\n    boxWidth: 100,\n    boxHeight: 100,\n    boxDepth: 100,\n    // Common axis options.\n    axisPointer: {\n      show: true,\n      lineStyle: {\n        color: 'rgba(0, 0, 0, 0.8)',\n        width: 1\n      },\n      label: {\n        show: true,\n        // (dimValue: number, value: Array) => string\n        formatter: null,\n        // TODO, Consider boxWidth\n        margin: 8,\n        // backgroundColor: '#ffbd67',\n        // borderColor: '#000',\n        // borderWidth: 0,\n        textStyle: {\n          fontSize: 14,\n          color: '#fff',\n          backgroundColor: 'rgba(0,0,0,0.5)',\n          padding: 3,\n          borderRadius: 3\n        }\n      }\n    },\n    axisLine: {\n      show: true,\n      lineStyle: {\n        color: '#333',\n        width: 2,\n        type: 'solid'\n      }\n    },\n    axisTick: {\n      show: true,\n      inside: false,\n      length: 3,\n      lineStyle: {\n        width: 1\n      }\n    },\n    axisLabel: {\n      show: true,\n      inside: false,\n      rotate: 0,\n      margin: 8,\n      textStyle: {\n        fontSize: 12\n      }\n    },\n    splitLine: {\n      show: true,\n      lineStyle: {\n        color: ['#ccc'],\n        width: 1,\n        type: 'solid'\n      }\n    },\n    splitArea: {\n      show: false,\n      areaStyle: {\n        color: ['rgba(250,250,250,0.3)', 'rgba(200,200,200,0.3)']\n      }\n    },\n    // Light options\n    light: {\n      main: {\n        // Alpha angle for top-down rotation\n        // Positive to rotate to top.\n        alpha: 30,\n        // beta angle for left-right rotation\n        // Positive to rotate to right.\n        beta: 40\n      },\n      ambient: {\n        intensity: 0.4\n      }\n    },\n    viewControl: {\n      // Small damping for precise control.\n      // damping: 0.1,\n      // Alpha angle for top-down rotation\n      // Positive to rotate to top.\n      alpha: 20,\n      // beta angle for left-right rotation\n      // Positive to rotate to right.\n      beta: 40,\n      autoRotate: false,\n      // Distance to the surface of grid3D.\n      distance: 200,\n      // Min distance to the surface of grid3D\n      minDistance: 40,\n      // Max distance to the surface of grid3D\n      maxDistance: 400\n    }\n  }\n});\necharts.util.merge(Grid3DModel.prototype, componentViewControlMixin);\necharts.util.merge(Grid3DModel.prototype, componentPostEffectMixin);\necharts.util.merge(Grid3DModel.prototype, componentLightMixin);\nexport default Grid3DModel;","/**\n * Provide orbit control for 3D objects\n *\n * @module echarts-gl/util/OrbitControl\n * @author Yi Shen(http://github.com/pissang)\n */\n// TODO Remove magic numbers on sensitivity\nimport Base from 'claygl/src/core/Base';\nimport Vector2 from 'claygl/src/math/Vector2';\nimport Vector3 from 'claygl/src/math/Vector3';\nimport Quaternion from 'claygl/src/math/Quaternion';\nimport retrieve from './retrieve';\nvar firstNotNull = retrieve.firstNotNull;\nvar MOUSE_BUTTON_KEY_MAP = {\n  left: 0,\n  middle: 1,\n  right: 2\n};\n\nfunction convertToArray(val) {\n  if (!(val instanceof Array)) {\n    val = [val, val];\n  }\n\n  return val;\n}\n/**\n * @alias module:echarts-x/util/OrbitControl\n */\n\n\nvar OrbitControl = Base.extend(function () {\n  return {\n    /**\n     * @type {module:zrender~ZRender}\n     */\n    zr: null,\n\n    /**\n     * @type {module:echarts-gl/core/ViewGL}\n     */\n    viewGL: null,\n\n    /**\n     * @type {clay.math.Vector3}\n     */\n    _center: new Vector3(),\n\n    /**\n     * Minimum distance to the center\n     * Only available when camera is perspective.\n     * @type {number}\n     * @default 0.5\n     */\n    minDistance: 0.5,\n\n    /**\n     * Maximum distance to the center\n     * Only available when camera is perspective.\n     * @type {number}\n     * @default 2\n     */\n    maxDistance: 1.5,\n\n    /**\n     * Only available when camera is orthographic\n     */\n    maxOrthographicSize: 300,\n\n    /**\n     * Only available when camera is orthographic\n     */\n    minOrthographicSize: 30,\n\n    /**\n     * Minimum alpha rotation\n     */\n    minAlpha: -90,\n\n    /**\n     * Maximum alpha rotation\n     */\n    maxAlpha: 90,\n\n    /**\n     * Minimum beta rotation\n     */\n    minBeta: -Infinity,\n\n    /**\n     * Maximum beta rotation\n     */\n    maxBeta: Infinity,\n\n    /**\n     * Start auto rotating after still for the given time\n     */\n    autoRotateAfterStill: 0,\n\n    /**\n     * Direction of autoRotate. cw or ccw when looking top down.\n     */\n    autoRotateDirection: 'cw',\n\n    /**\n     * Degree per second\n     */\n    autoRotateSpeed: 60,\n\n    /**\n     * @param {number}\n     */\n    damping: 0.8,\n\n    /**\n     * @param {number}\n     */\n    rotateSensitivity: 1,\n\n    /**\n     * @param {number}\n     */\n    zoomSensitivity: 1,\n\n    /**\n     * @param {number}\n     */\n    panSensitivity: 1,\n    panMouseButton: 'middle',\n    rotateMouseButton: 'left',\n\n    /**\n     * Pan or rotate\n     * @private\n     * @type {String}\n     */\n    _mode: 'rotate',\n\n    /**\n     * @private\n     * @type {clay.Camera}\n     */\n    _camera: null,\n    _needsUpdate: false,\n    _rotating: false,\n    // Rotation around yAxis in radian\n    _phi: 0,\n    // Rotation around xAxis in radian\n    _theta: 0,\n    _mouseX: 0,\n    _mouseY: 0,\n    _rotateVelocity: new Vector2(),\n    _panVelocity: new Vector2(),\n    _distance: 500,\n    _zoomSpeed: 0,\n    _stillTimeout: 0,\n    _animators: []\n  };\n}, function () {\n  // Each OrbitControl has it's own handler\n  ['_mouseDownHandler', '_mouseWheelHandler', '_mouseMoveHandler', '_mouseUpHandler', '_pinchHandler', '_contextMenuHandler', '_update'].forEach(function (hdlName) {\n    this[hdlName] = this[hdlName].bind(this);\n  }, this);\n}, {\n  /**\n   * Initialize.\n   * Mouse event binding\n   */\n  init: function () {\n    var zr = this.zr;\n\n    if (zr) {\n      zr.on('mousedown', this._mouseDownHandler);\n      zr.on('globalout', this._mouseUpHandler);\n      zr.on('mousewheel', this._mouseWheelHandler);\n      zr.on('pinch', this._pinchHandler);\n      zr.animation.on('frame', this._update);\n      zr.dom.addEventListener('contextmenu', this._contextMenuHandler);\n    }\n  },\n\n  /**\n   * Dispose.\n   * Mouse event unbinding\n   */\n  dispose: function () {\n    var zr = this.zr;\n\n    if (zr) {\n      zr.off('mousedown', this._mouseDownHandler);\n      zr.off('mousemove', this._mouseMoveHandler);\n      zr.off('mouseup', this._mouseUpHandler);\n      zr.off('mousewheel', this._mouseWheelHandler);\n      zr.off('pinch', this._pinchHandler);\n      zr.off('globalout', this._mouseUpHandler);\n      zr.dom.removeEventListener('contextmenu', this._contextMenuHandler);\n      zr.animation.off('frame', this._update);\n    }\n\n    this.stopAllAnimation();\n  },\n\n  /**\n   * Get distance\n   * @return {number}\n   */\n  getDistance: function () {\n    return this._distance;\n  },\n\n  /**\n   * Set distance\n   * @param {number} distance\n   */\n  setDistance: function (distance) {\n    this._distance = distance;\n    this._needsUpdate = true;\n  },\n\n  /**\n   * Get size of orthographic viewing volume\n   * @return {number}\n   */\n  getOrthographicSize: function () {\n    return this._orthoSize;\n  },\n\n  /**\n   * Set size of orthographic viewing volume\n   * @param {number} size\n   */\n  setOrthographicSize: function (size) {\n    this._orthoSize = size;\n    this._needsUpdate = true;\n  },\n\n  /**\n   * Get alpha rotation\n   * Alpha angle for top-down rotation. Positive to rotate to top.\n   *\n   * Which means camera rotation around x axis.\n   */\n  getAlpha: function () {\n    return this._theta / Math.PI * 180;\n  },\n\n  /**\n   * Get beta rotation\n   * Beta angle for left-right rotation. Positive to rotate to right.\n   *\n   * Which means camera rotation around y axis.\n   */\n  getBeta: function () {\n    return -this._phi / Math.PI * 180;\n  },\n\n  /**\n   * Get control center\n   * @return {Array.<number>}\n   */\n  getCenter: function () {\n    return this._center.toArray();\n  },\n\n  /**\n   * Set alpha rotation angle\n   * @param {number} alpha\n   */\n  setAlpha: function (alpha) {\n    alpha = Math.max(Math.min(this.maxAlpha, alpha), this.minAlpha);\n    this._theta = alpha / 180 * Math.PI;\n    this._needsUpdate = true;\n  },\n\n  /**\n   * Set beta rotation angle\n   * @param {number} beta\n   */\n  setBeta: function (beta) {\n    beta = Math.max(Math.min(this.maxBeta, beta), this.minBeta);\n    this._phi = -beta / 180 * Math.PI;\n    this._needsUpdate = true;\n  },\n\n  /**\n   * Set control center\n   * @param {Array.<number>} center\n   */\n  setCenter: function (centerArr) {\n    this._center.setArray(centerArr);\n  },\n\n  /**\n   * @param {module:echarts-gl/core/ViewGL} viewGL\n   */\n  setViewGL: function (viewGL) {\n    this.viewGL = viewGL;\n  },\n\n  /**\n   * @return {clay.Camera}\n   */\n  getCamera: function () {\n    return this.viewGL.camera;\n  },\n  setFromViewControlModel: function (viewControlModel, extraOpts) {\n    extraOpts = extraOpts || {};\n    var baseDistance = extraOpts.baseDistance || 0;\n    var baseOrthoSize = extraOpts.baseOrthoSize || 1;\n    var projection = viewControlModel.get('projection');\n\n    if (projection !== 'perspective' && projection !== 'orthographic' && projection !== 'isometric') {\n      if (process.env.NODE_ENV !== 'production') {\n        console.error('Unkown projection type %s, use perspective projection instead.', projection);\n      }\n\n      projection = 'perspective';\n    }\n\n    this._projection = projection;\n    this.viewGL.setProjection(projection);\n    var targetDistance = viewControlModel.get('distance') + baseDistance;\n    var targetOrthographicSize = viewControlModel.get('orthographicSize') + baseOrthoSize;\n    [['damping', 0.8], ['autoRotate', false], ['autoRotateAfterStill', 3], ['autoRotateDirection', 'cw'], ['autoRotateSpeed', 10], ['minDistance', 30], ['maxDistance', 400], ['minOrthographicSize', 30], ['maxOrthographicSize', 300], ['minAlpha', -90], ['maxAlpha', 90], ['minBeta', -Infinity], ['maxBeta', Infinity], ['rotateSensitivity', 1], ['zoomSensitivity', 1], ['panSensitivity', 1], ['panMouseButton', 'left'], ['rotateMouseButton', 'middle']].forEach(function (prop) {\n      this[prop[0]] = firstNotNull(viewControlModel.get(prop[0]), prop[1]);\n    }, this);\n    this.minDistance += baseDistance;\n    this.maxDistance += baseDistance;\n    this.minOrthographicSize += baseOrthoSize, this.maxOrthographicSize += baseOrthoSize;\n    var ecModel = viewControlModel.ecModel;\n    var animationOpts = {};\n    ['animation', 'animationDurationUpdate', 'animationEasingUpdate'].forEach(function (key) {\n      animationOpts[key] = firstNotNull(viewControlModel.get(key), ecModel && ecModel.get(key));\n    });\n    var alpha = firstNotNull(extraOpts.alpha, viewControlModel.get('alpha')) || 0;\n    var beta = firstNotNull(extraOpts.beta, viewControlModel.get('beta')) || 0;\n    var center = firstNotNull(extraOpts.center, viewControlModel.get('center')) || [0, 0, 0];\n\n    if (animationOpts.animation && animationOpts.animationDurationUpdate > 0 && this._notFirst) {\n      this.animateTo({\n        alpha: alpha,\n        beta: beta,\n        center: center,\n        distance: targetDistance,\n        orthographicSize: targetOrthographicSize,\n        easing: animationOpts.animationEasingUpdate,\n        duration: animationOpts.animationDurationUpdate\n      });\n    } else {\n      this.setDistance(targetDistance);\n      this.setAlpha(alpha);\n      this.setBeta(beta);\n      this.setCenter(center);\n      this.setOrthographicSize(targetOrthographicSize);\n    }\n\n    this._notFirst = true;\n\n    this._validateProperties();\n  },\n  _validateProperties: function () {\n    if (process.env.NODE_ENV !== 'production') {\n      if (MOUSE_BUTTON_KEY_MAP[this.panMouseButton] == null) {\n        console.error('Unkown panMouseButton %s. It should be left|middle|right', this.panMouseButton);\n      }\n\n      if (MOUSE_BUTTON_KEY_MAP[this.rotateMouseButton] == null) {\n        console.error('Unkown rotateMouseButton %s. It should be left|middle|right', this.rotateMouseButton);\n      }\n\n      if (this.autoRotateDirection !== 'cw' && this.autoRotateDirection !== 'ccw') {\n        console.error('Unkown autoRotateDirection %s. It should be cw|ccw', this.autoRotateDirection);\n      }\n    }\n  },\n\n  /**\n   * @param {Object} opts\n   * @param {number} opts.distance\n   * @param {number} opts.alpha\n   * @param {number} opts.beta\n   * @param {number} opts.orthographicSize\n   * @param {number} [opts.duration=1000]\n   * @param {number} [opts.easing='linear']\n   */\n  animateTo: function (opts) {\n    var zr = this.zr;\n    var self = this;\n    var obj = {};\n    var target = {};\n\n    if (opts.distance != null) {\n      obj.distance = this.getDistance();\n      target.distance = opts.distance;\n    }\n\n    if (opts.orthographicSize != null) {\n      obj.orthographicSize = this.getOrthographicSize();\n      target.orthographicSize = opts.orthographicSize;\n    }\n\n    if (opts.alpha != null) {\n      obj.alpha = this.getAlpha();\n      target.alpha = opts.alpha;\n    }\n\n    if (opts.beta != null) {\n      obj.beta = this.getBeta();\n      target.beta = opts.beta;\n    }\n\n    if (opts.center != null) {\n      obj.center = this.getCenter();\n      target.center = opts.center;\n    }\n\n    return this._addAnimator(zr.animation.animate(obj).when(opts.duration || 1000, target).during(function () {\n      if (obj.alpha != null) {\n        self.setAlpha(obj.alpha);\n      }\n\n      if (obj.beta != null) {\n        self.setBeta(obj.beta);\n      }\n\n      if (obj.distance != null) {\n        self.setDistance(obj.distance);\n      }\n\n      if (obj.center != null) {\n        self.setCenter(obj.center);\n      }\n\n      if (obj.orthographicSize != null) {\n        self.setOrthographicSize(obj.orthographicSize);\n      }\n\n      self._needsUpdate = true;\n    })).start(opts.easing || 'linear');\n  },\n\n  /**\n   * Stop all animation\n   */\n  stopAllAnimation: function () {\n    for (var i = 0; i < this._animators.length; i++) {\n      this._animators[i].stop();\n    }\n\n    this._animators.length = 0;\n  },\n  update: function () {\n    this._needsUpdate = true;\n\n    this._update(20);\n  },\n  _isAnimating: function () {\n    return this._animators.length > 0;\n  },\n\n  /**\n   * Call update each frame\n   * @param  {number} deltaTime Frame time\n   */\n  _update: function (deltaTime) {\n    if (this._rotating) {\n      var radian = (this.autoRotateDirection === 'cw' ? 1 : -1) * this.autoRotateSpeed / 180 * Math.PI;\n      this._phi -= radian * deltaTime / 1000;\n      this._needsUpdate = true;\n    } else if (this._rotateVelocity.len() > 0) {\n      this._needsUpdate = true;\n    }\n\n    if (Math.abs(this._zoomSpeed) > 0.1 || this._panVelocity.len() > 0) {\n      this._needsUpdate = true;\n    }\n\n    if (!this._needsUpdate) {\n      return;\n    }\n\n    deltaTime = Math.min(deltaTime, 50);\n\n    this._updateDistanceOrSize(deltaTime);\n\n    this._updatePan(deltaTime);\n\n    this._updateRotate(deltaTime);\n\n    this._updateTransform();\n\n    this.getCamera().update();\n    this.zr && this.zr.refresh();\n    this.trigger('update');\n    this._needsUpdate = false;\n  },\n  _updateRotate: function (deltaTime) {\n    var velocity = this._rotateVelocity;\n    this._phi = velocity.y * deltaTime / 20 + this._phi;\n    this._theta = velocity.x * deltaTime / 20 + this._theta;\n    this.setAlpha(this.getAlpha());\n    this.setBeta(this.getBeta());\n\n    this._vectorDamping(velocity, Math.pow(this.damping, deltaTime / 16));\n  },\n  _updateDistanceOrSize: function (deltaTime) {\n    if (this._projection === 'perspective') {\n      this._setDistance(this._distance + this._zoomSpeed * deltaTime / 20);\n    } else {\n      this._setOrthoSize(this._orthoSize + this._zoomSpeed * deltaTime / 20);\n    }\n\n    this._zoomSpeed *= Math.pow(this.damping, deltaTime / 16);\n  },\n  _setDistance: function (distance) {\n    this._distance = Math.max(Math.min(distance, this.maxDistance), this.minDistance);\n  },\n  _setOrthoSize: function (size) {\n    this._orthoSize = Math.max(Math.min(size, this.maxOrthographicSize), this.minOrthographicSize);\n    var camera = this.getCamera();\n    var cameraHeight = this._orthoSize;\n    var cameraWidth = cameraHeight / this.viewGL.viewport.height * this.viewGL.viewport.width;\n    camera.left = -cameraWidth / 2;\n    camera.right = cameraWidth / 2;\n    camera.top = cameraHeight / 2;\n    camera.bottom = -cameraHeight / 2;\n  },\n  _updatePan: function (deltaTime) {\n    var velocity = this._panVelocity;\n    var len = this._distance;\n    var target = this.getCamera();\n    var yAxis = target.worldTransform.y;\n    var xAxis = target.worldTransform.x; // PENDING\n\n    this._center.scaleAndAdd(xAxis, -velocity.x * len / 200).scaleAndAdd(yAxis, -velocity.y * len / 200);\n\n    this._vectorDamping(velocity, 0);\n  },\n  _updateTransform: function () {\n    var camera = this.getCamera();\n    var dir = new Vector3();\n    var theta = this._theta + Math.PI / 2;\n    var phi = this._phi + Math.PI / 2;\n    var r = Math.sin(theta);\n    dir.x = r * Math.cos(phi);\n    dir.y = -Math.cos(theta);\n    dir.z = r * Math.sin(phi);\n    camera.position.copy(this._center).scaleAndAdd(dir, this._distance);\n    camera.rotation.identity() // First around y, then around x\n    .rotateY(-this._phi).rotateX(-this._theta);\n  },\n  _startCountingStill: function () {\n    clearTimeout(this._stillTimeout);\n    var time = this.autoRotateAfterStill;\n    var self = this;\n\n    if (!isNaN(time) && time > 0) {\n      this._stillTimeout = setTimeout(function () {\n        self._rotating = true;\n      }, time * 1000);\n    }\n  },\n  _vectorDamping: function (v, damping) {\n    var speed = v.len();\n    speed = speed * damping;\n\n    if (speed < 1e-4) {\n      speed = 0;\n    }\n\n    v.normalize().scale(speed);\n  },\n  _decomposeTransform: function () {\n    if (!this.getCamera()) {\n      return;\n    }\n\n    this.getCamera().updateWorldTransform();\n    var forward = this.getCamera().worldTransform.z;\n    var alpha = Math.asin(forward.y);\n    var beta = Math.atan2(forward.x, forward.z);\n    this._theta = alpha;\n    this._phi = -beta;\n    this.setBeta(this.getBeta());\n    this.setAlpha(this.getAlpha()); // Is perspective\n\n    if (this.getCamera().aspect) {\n      this._setDistance(this.getCamera().position.dist(this._center));\n    } else {\n      this._setOrthoSize(this.getCamera().top - this.getCamera().bottom);\n    }\n  },\n  _mouseDownHandler: function (e) {\n    if (e.target) {\n      // If mouseon some zrender element.\n      return;\n    }\n\n    if (this._isAnimating()) {\n      return;\n    }\n\n    var x = e.offsetX;\n    var y = e.offsetY;\n\n    if (this.viewGL && !this.viewGL.containPoint(x, y)) {\n      return;\n    }\n\n    this.zr.on('mousemove', this._mouseMoveHandler);\n    this.zr.on('mouseup', this._mouseUpHandler);\n\n    if (e.event.targetTouches) {\n      if (e.event.targetTouches.length === 1) {\n        this._mode = 'rotate';\n      }\n    } else {\n      if (e.event.button === MOUSE_BUTTON_KEY_MAP[this.rotateMouseButton]) {\n        this._mode = 'rotate';\n      } else if (e.event.button === MOUSE_BUTTON_KEY_MAP[this.panMouseButton]) {\n        this._mode = 'pan';\n      } else {\n        this._mode = '';\n      }\n    } // Reset rotate velocity\n\n\n    this._rotateVelocity.set(0, 0);\n\n    this._rotating = false;\n\n    if (this.autoRotate) {\n      this._startCountingStill();\n    }\n\n    this._mouseX = e.offsetX;\n    this._mouseY = e.offsetY;\n  },\n  _mouseMoveHandler: function (e) {\n    if (e.target && e.target.__isGLToZRProxy) {\n      return;\n    }\n\n    if (this._isAnimating()) {\n      return;\n    }\n\n    var panSensitivity = convertToArray(this.panSensitivity);\n    var rotateSensitivity = convertToArray(this.rotateSensitivity);\n\n    if (this._mode === 'rotate') {\n      this._rotateVelocity.y = (e.offsetX - this._mouseX) / this.zr.getHeight() * 2 * rotateSensitivity[0];\n      this._rotateVelocity.x = (e.offsetY - this._mouseY) / this.zr.getWidth() * 2 * rotateSensitivity[1];\n    } else if (this._mode === 'pan') {\n      this._panVelocity.x = (e.offsetX - this._mouseX) / this.zr.getWidth() * panSensitivity[0] * 400;\n      this._panVelocity.y = (-e.offsetY + this._mouseY) / this.zr.getHeight() * panSensitivity[1] * 400;\n    }\n\n    this._mouseX = e.offsetX;\n    this._mouseY = e.offsetY;\n    e.event.preventDefault();\n  },\n  _mouseWheelHandler: function (e) {\n    if (this._isAnimating()) {\n      return;\n    }\n\n    var delta = e.event.wheelDelta // Webkit\n    || -e.event.detail; // Firefox\n\n    this._zoomHandler(e, delta);\n  },\n  _pinchHandler: function (e) {\n    if (this._isAnimating()) {\n      return;\n    }\n\n    this._zoomHandler(e, e.pinchScale > 1 ? 1 : -1); // Not rotate when pinch\n\n\n    this._mode = '';\n  },\n  _zoomHandler: function (e, delta) {\n    if (delta === 0) {\n      return;\n    }\n\n    var x = e.offsetX;\n    var y = e.offsetY;\n\n    if (this.viewGL && !this.viewGL.containPoint(x, y)) {\n      return;\n    }\n\n    var speed;\n\n    if (this._projection === 'perspective') {\n      speed = Math.max(Math.max(Math.min(this._distance - this.minDistance, this.maxDistance - this._distance)) / 20, 0.5);\n    } else {\n      speed = Math.max(Math.max(Math.min(this._orthoSize - this.minOrthographicSize, this.maxOrthographicSize - this._orthoSize)) / 20, 0.5);\n    }\n\n    this._zoomSpeed = (delta > 0 ? -1 : 1) * speed * this.zoomSensitivity;\n    this._rotating = false;\n\n    if (this.autoRotate && this._mode === 'rotate') {\n      this._startCountingStill();\n    }\n\n    e.event.preventDefault();\n  },\n  _mouseUpHandler: function () {\n    this.zr.off('mousemove', this._mouseMoveHandler);\n    this.zr.off('mouseup', this._mouseUpHandler);\n  },\n  _isRightMouseButtonUsed: function () {\n    return this.rotateMouseButton === 'right' || this.panMouseButton === 'right';\n  },\n  _contextMenuHandler: function (e) {\n    if (this._isRightMouseButtonUsed()) {\n      e.preventDefault();\n    }\n  },\n  _addAnimator: function (animator) {\n    var animators = this._animators;\n    animators.push(animator);\n    animator.done(function () {\n      var idx = animators.indexOf(animator);\n\n      if (idx >= 0) {\n        animators.splice(idx, 1);\n      }\n    });\n    return animator;\n  }\n});\n/**\n * If auto rotate the target\n * @type {boolean}\n * @default false\n */\n\nObject.defineProperty(OrbitControl.prototype, 'autoRotate', {\n  get: function (val) {\n    return this._autoRotate;\n  },\n  set: function (val) {\n    this._autoRotate = val;\n    this._rotating = val;\n  }\n});\nexport default OrbitControl;","export default {\n  convertToDynamicArray: function (clear) {\n    if (clear) {\n      this.resetOffset();\n    }\n\n    var attributes = this.attributes;\n\n    for (var name in attributes) {\n      if (clear || !attributes[name].value) {\n        attributes[name].value = [];\n      } else {\n        attributes[name].value = Array.prototype.slice.call(attributes[name].value);\n      }\n    }\n\n    if (clear || !this.indices) {\n      this.indices = [];\n    } else {\n      this.indices = Array.prototype.slice.call(this.indices);\n    }\n  },\n  convertToTypedArray: function () {\n    var attributes = this.attributes;\n\n    for (var name in attributes) {\n      if (attributes[name].value && attributes[name].value.length > 0) {\n        attributes[name].value = new Float32Array(attributes[name].value);\n      } else {\n        attributes[name].value = null;\n      }\n    }\n\n    if (this.indices && this.indices.length > 0) {\n      this.indices = this.vertexCount > 0xffff ? new Uint32Array(this.indices) : new Uint16Array(this.indices);\n    }\n\n    this.dirty();\n  }\n};","// DEPRECATED\nimport glmatrix from '../glmatrix';\n\nexport default glmatrix;\n","/**\n * @fileoverview gl-matrix - High performance matrix and vector operations\n * @author Brandon Jones\n * @author Colin MacKenzie IV\n * @version 2.2.2\n */\n\n/* Copyright (c) 2013, Brandon Jones, Colin MacKenzie IV. All rights reserved.\n\nRedistribution and use in source and binary forms, with or without modification,\nare permitted provided that the following conditions are met:\n\n  * Redistributions of source code must retain the above copyright notice, this\n    list of conditions and the following disclaimer.\n  * Redistributions in binary form must reproduce the above copyright notice,\n    this list of conditions and the following disclaimer in the documentation\n    and/or other materials provided with the distribution.\n\nTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\nANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\nWARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\nDISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR\nANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\nLOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\nANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\nSOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */\n\nimport vec2 from './vec2';\nimport vec3 from './vec3';\nimport vec4 from './vec4';\nimport mat2 from './mat2';\nimport mat2d from './mat2d';\nimport mat3 from './mat3';\nimport mat4 from './mat4';\nimport quat from './quat';\n\nexport default {\n    vec2: vec2,\n    vec3: vec3,\n    vec4: vec4,\n    mat2: mat2,\n    mat2d: mat2d,\n    mat3: mat3,\n    mat4: mat4,\n    quat: quat\n};\n","/**\n * Lines geometry\n * Use screen space projected lines lineWidth > MAX_LINE_WIDTH\n * https://mattdesl.svbtle.com/drawing-lines-is-hard\n * @module echarts-gl/util/geometry/LinesGeometry\n * @author Yi Shen(http://github.com/pissang)\n */\nimport Geometry from 'claygl/src/Geometry';\nimport * as echarts from 'echarts/lib/echarts';\nimport dynamicConvertMixin from './dynamicConvertMixin';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nvar vec3 = glmatrix.vec3; // var CURVE_RECURSION_LIMIT = 8;\n// var CURVE_COLLINEAR_EPSILON = 40;\n\nvar sampleLinePoints = [[0, 0], [1, 1]];\n/**\n * @constructor\n * @alias module:echarts-gl/util/geometry/LinesGeometry\n * @extends clay.Geometry\n */\n\nvar LinesGeometry = Geometry.extend(function () {\n  return {\n    segmentScale: 1,\n    dynamic: true,\n\n    /**\n     * Need to use mesh to expand lines if lineWidth > MAX_LINE_WIDTH\n     */\n    useNativeLine: true,\n    attributes: {\n      position: new Geometry.Attribute('position', 'float', 3, 'POSITION'),\n      positionPrev: new Geometry.Attribute('positionPrev', 'float', 3),\n      positionNext: new Geometry.Attribute('positionNext', 'float', 3),\n      prevPositionPrev: new Geometry.Attribute('prevPositionPrev', 'float', 3),\n      prevPosition: new Geometry.Attribute('prevPosition', 'float', 3),\n      prevPositionNext: new Geometry.Attribute('prevPositionNext', 'float', 3),\n      offset: new Geometry.Attribute('offset', 'float', 1),\n      color: new Geometry.Attribute('color', 'float', 4, 'COLOR')\n    }\n  };\n},\n/** @lends module: echarts-gl/util/geometry/LinesGeometry.prototype */\n{\n  /**\n   * Reset offset\n   */\n  resetOffset: function () {\n    this._vertexOffset = 0;\n    this._triangleOffset = 0;\n    this._itemVertexOffsets = [];\n  },\n\n  /**\n   * @param {number} nVertex\n   */\n  setVertexCount: function (nVertex) {\n    var attributes = this.attributes;\n\n    if (this.vertexCount !== nVertex) {\n      attributes.position.init(nVertex);\n      attributes.color.init(nVertex);\n\n      if (!this.useNativeLine) {\n        attributes.positionPrev.init(nVertex);\n        attributes.positionNext.init(nVertex);\n        attributes.offset.init(nVertex);\n      }\n\n      if (nVertex > 0xffff) {\n        if (this.indices instanceof Uint16Array) {\n          this.indices = new Uint32Array(this.indices);\n        }\n      } else {\n        if (this.indices instanceof Uint32Array) {\n          this.indices = new Uint16Array(this.indices);\n        }\n      }\n    }\n  },\n\n  /**\n   * @param {number} nTriangle\n   */\n  setTriangleCount: function (nTriangle) {\n    if (this.triangleCount !== nTriangle) {\n      if (nTriangle === 0) {\n        this.indices = null;\n      } else {\n        this.indices = this.vertexCount > 0xffff ? new Uint32Array(nTriangle * 3) : new Uint16Array(nTriangle * 3);\n      }\n    }\n  },\n  _getCubicCurveApproxStep: function (p0, p1, p2, p3) {\n    var len = vec3.dist(p0, p1) + vec3.dist(p2, p1) + vec3.dist(p3, p2);\n    var step = 1 / (len + 1) * this.segmentScale;\n    return step;\n  },\n\n  /**\n   * Get vertex count of cubic curve\n   * @param {Array.<number>} p0\n   * @param {Array.<number>} p1\n   * @param {Array.<number>} p2\n   * @param {Array.<number>} p3\n   * @return number\n   */\n  getCubicCurveVertexCount: function (p0, p1, p2, p3) {\n    var step = this._getCubicCurveApproxStep(p0, p1, p2, p3);\n\n    var segCount = Math.ceil(1 / step);\n\n    if (!this.useNativeLine) {\n      return segCount * 2 + 2;\n    } else {\n      return segCount * 2;\n    }\n  },\n\n  /**\n   * Get face count of cubic curve\n   * @param {Array.<number>} p0\n   * @param {Array.<number>} p1\n   * @param {Array.<number>} p2\n   * @param {Array.<number>} p3\n   * @return number\n   */\n  getCubicCurveTriangleCount: function (p0, p1, p2, p3) {\n    var step = this._getCubicCurveApproxStep(p0, p1, p2, p3);\n\n    var segCount = Math.ceil(1 / step);\n\n    if (!this.useNativeLine) {\n      return segCount * 2;\n    } else {\n      return 0;\n    }\n  },\n\n  /**\n   * Get vertex count of line\n   * @return {number}\n   */\n  getLineVertexCount: function () {\n    return this.getPolylineVertexCount(sampleLinePoints);\n  },\n\n  /**\n   * Get face count of line\n   * @return {number}\n   */\n  getLineTriangleCount: function () {\n    return this.getPolylineTriangleCount(sampleLinePoints);\n  },\n\n  /**\n   * Get how many vertices will polyline take.\n   * @type {number|Array} points Can be a 1d/2d list of points, or a number of points amount.\n   * @return {number}\n   */\n  getPolylineVertexCount: function (points) {\n    var pointsLen;\n\n    if (typeof points === 'number') {\n      pointsLen = points;\n    } else {\n      var is2DArray = typeof points[0] !== 'number';\n      pointsLen = is2DArray ? points.length : points.length / 3;\n    }\n\n    return !this.useNativeLine ? (pointsLen - 1) * 2 + 2 : (pointsLen - 1) * 2;\n  },\n\n  /**\n   * Get how many triangles will polyline take.\n   * @type {number|Array} points Can be a 1d/2d list of points, or a number of points amount.\n   * @return {number}\n   */\n  getPolylineTriangleCount: function (points) {\n    var pointsLen;\n\n    if (typeof points === 'number') {\n      pointsLen = points;\n    } else {\n      var is2DArray = typeof points[0] !== 'number';\n      pointsLen = is2DArray ? points.length : points.length / 3;\n    }\n\n    return !this.useNativeLine ? Math.max(pointsLen - 1, 0) * 2 : 0;\n  },\n\n  /**\n   * Add a cubic curve\n   * @param {Array.<number>} p0\n   * @param {Array.<number>} p1\n   * @param {Array.<number>} p2\n   * @param {Array.<number>} p3\n   * @param {Array.<number>} color\n   * @param {number} [lineWidth=1]\n   */\n  addCubicCurve: function (p0, p1, p2, p3, color, lineWidth) {\n    if (lineWidth == null) {\n      lineWidth = 1;\n    } // incremental interpolation\n    // http://antigrain.com/research/bezier_interpolation/index.html#PAGE_BEZIER_INTERPOLATION\n\n\n    var x0 = p0[0],\n        y0 = p0[1],\n        z0 = p0[2];\n    var x1 = p1[0],\n        y1 = p1[1],\n        z1 = p1[2];\n    var x2 = p2[0],\n        y2 = p2[1],\n        z2 = p2[2];\n    var x3 = p3[0],\n        y3 = p3[1],\n        z3 = p3[2];\n\n    var step = this._getCubicCurveApproxStep(p0, p1, p2, p3);\n\n    var step2 = step * step;\n    var step3 = step2 * step;\n    var pre1 = 3.0 * step;\n    var pre2 = 3.0 * step2;\n    var pre4 = 6.0 * step2;\n    var pre5 = 6.0 * step3;\n    var tmp1x = x0 - x1 * 2.0 + x2;\n    var tmp1y = y0 - y1 * 2.0 + y2;\n    var tmp1z = z0 - z1 * 2.0 + z2;\n    var tmp2x = (x1 - x2) * 3.0 - x0 + x3;\n    var tmp2y = (y1 - y2) * 3.0 - y0 + y3;\n    var tmp2z = (z1 - z2) * 3.0 - z0 + z3;\n    var fx = x0;\n    var fy = y0;\n    var fz = z0;\n    var dfx = (x1 - x0) * pre1 + tmp1x * pre2 + tmp2x * step3;\n    var dfy = (y1 - y0) * pre1 + tmp1y * pre2 + tmp2y * step3;\n    var dfz = (z1 - z0) * pre1 + tmp1z * pre2 + tmp2z * step3;\n    var ddfx = tmp1x * pre4 + tmp2x * pre5;\n    var ddfy = tmp1y * pre4 + tmp2y * pre5;\n    var ddfz = tmp1z * pre4 + tmp2z * pre5;\n    var dddfx = tmp2x * pre5;\n    var dddfy = tmp2y * pre5;\n    var dddfz = tmp2z * pre5;\n    var t = 0;\n    var k = 0;\n    var segCount = Math.ceil(1 / step);\n    var points = new Float32Array((segCount + 1) * 3);\n    var points = [];\n    var offset = 0;\n\n    for (var k = 0; k < segCount + 1; k++) {\n      points[offset++] = fx;\n      points[offset++] = fy;\n      points[offset++] = fz;\n      fx += dfx;\n      fy += dfy;\n      fz += dfz;\n      dfx += ddfx;\n      dfy += ddfy;\n      dfz += ddfz;\n      ddfx += dddfx;\n      ddfy += dddfy;\n      ddfz += dddfz;\n      t += step;\n\n      if (t > 1) {\n        fx = dfx > 0 ? Math.min(fx, x3) : Math.max(fx, x3);\n        fy = dfy > 0 ? Math.min(fy, y3) : Math.max(fy, y3);\n        fz = dfz > 0 ? Math.min(fz, z3) : Math.max(fz, z3);\n      }\n    }\n\n    return this.addPolyline(points, color, lineWidth);\n  },\n\n  /**\n   * Add a straight line\n   * @param {Array.<number>} p0\n   * @param {Array.<number>} p1\n   * @param {Array.<number>} color\n   * @param {number} [lineWidth=1]\n   */\n  addLine: function (p0, p1, color, lineWidth) {\n    return this.addPolyline([p0, p1], color, lineWidth);\n  },\n\n  /**\n   * Add a straight line\n   * @param {Array.<Array> | Array.<number>} points\n   * @param {Array.<number> | Array.<Array>} color\n   * @param {number} [lineWidth=1]\n   * @param {number} [startOffset=0]\n   * @param {number} [pointsCount] Default to be amount of points in the first argument\n   */\n  addPolyline: function (points, color, lineWidth, startOffset, pointsCount) {\n    if (!points.length) {\n      return;\n    }\n\n    var is2DArray = typeof points[0] !== 'number';\n\n    if (pointsCount == null) {\n      pointsCount = is2DArray ? points.length : points.length / 3;\n    }\n\n    if (pointsCount < 2) {\n      return;\n    }\n\n    if (startOffset == null) {\n      startOffset = 0;\n    }\n\n    if (lineWidth == null) {\n      lineWidth = 1;\n    }\n\n    this._itemVertexOffsets.push(this._vertexOffset);\n\n    var is2DArray = typeof points[0] !== 'number';\n    var notSharingColor = is2DArray ? typeof color[0] !== 'number' : color.length / 4 === pointsCount;\n    var positionAttr = this.attributes.position;\n    var positionPrevAttr = this.attributes.positionPrev;\n    var positionNextAttr = this.attributes.positionNext;\n    var colorAttr = this.attributes.color;\n    var offsetAttr = this.attributes.offset;\n    var indices = this.indices;\n    var vertexOffset = this._vertexOffset;\n    var point;\n    var pointColor;\n    lineWidth = Math.max(lineWidth, 0.01);\n\n    for (var k = startOffset; k < pointsCount; k++) {\n      if (is2DArray) {\n        point = points[k];\n\n        if (notSharingColor) {\n          pointColor = color[k];\n        } else {\n          pointColor = color;\n        }\n      } else {\n        var k3 = k * 3;\n        point = point || [];\n        point[0] = points[k3];\n        point[1] = points[k3 + 1];\n        point[2] = points[k3 + 2];\n\n        if (notSharingColor) {\n          var k4 = k * 4;\n          pointColor = pointColor || [];\n          pointColor[0] = color[k4];\n          pointColor[1] = color[k4 + 1];\n          pointColor[2] = color[k4 + 2];\n          pointColor[3] = color[k4 + 3];\n        } else {\n          pointColor = color;\n        }\n      }\n\n      if (!this.useNativeLine) {\n        if (k < pointsCount - 1) {\n          // Set to next two points\n          positionPrevAttr.set(vertexOffset + 2, point);\n          positionPrevAttr.set(vertexOffset + 3, point);\n        }\n\n        if (k > 0) {\n          // Set to previous two points\n          positionNextAttr.set(vertexOffset - 2, point);\n          positionNextAttr.set(vertexOffset - 1, point);\n        }\n\n        positionAttr.set(vertexOffset, point);\n        positionAttr.set(vertexOffset + 1, point);\n        colorAttr.set(vertexOffset, pointColor);\n        colorAttr.set(vertexOffset + 1, pointColor);\n        offsetAttr.set(vertexOffset, lineWidth / 2);\n        offsetAttr.set(vertexOffset + 1, -lineWidth / 2);\n        vertexOffset += 2;\n      } else {\n        if (k > 1) {\n          positionAttr.copy(vertexOffset, vertexOffset - 1);\n          colorAttr.copy(vertexOffset, vertexOffset - 1);\n          vertexOffset++;\n        }\n      }\n\n      if (!this.useNativeLine) {\n        if (k > 0) {\n          var idx3 = this._triangleOffset * 3;\n          var indices = this.indices; // 0-----2\n          // 1-----3\n          // 0->1->2, 1->3->2\n\n          indices[idx3] = vertexOffset - 4;\n          indices[idx3 + 1] = vertexOffset - 3;\n          indices[idx3 + 2] = vertexOffset - 2;\n          indices[idx3 + 3] = vertexOffset - 3;\n          indices[idx3 + 4] = vertexOffset - 1;\n          indices[idx3 + 5] = vertexOffset - 2;\n          this._triangleOffset += 2;\n        }\n      } else {\n        colorAttr.set(vertexOffset, pointColor);\n        positionAttr.set(vertexOffset, point);\n        vertexOffset++;\n      }\n    }\n\n    if (!this.useNativeLine) {\n      var start = this._vertexOffset;\n      var end = this._vertexOffset + pointsCount * 2;\n      positionPrevAttr.copy(start, start + 2);\n      positionPrevAttr.copy(start + 1, start + 3);\n      positionNextAttr.copy(end - 1, end - 3);\n      positionNextAttr.copy(end - 2, end - 4);\n    }\n\n    this._vertexOffset = vertexOffset;\n    return this._vertexOffset;\n  },\n\n  /**\n   * Set color of single line.\n   */\n  setItemColor: function (idx, color) {\n    var startOffset = this._itemVertexOffsets[idx];\n    var endOffset = idx < this._itemVertexOffsets.length - 1 ? this._itemVertexOffsets[idx + 1] : this._vertexOffset;\n\n    for (var i = startOffset; i < endOffset; i++) {\n      this.attributes.color.set(i, color);\n    }\n\n    this.dirty('color');\n  },\n\n  /**\n   * @return {number}\n   */\n  currentTriangleOffset: function () {\n    return this._triangleOffset;\n  },\n\n  /**\n   * @return {number}\n   */\n  currentVertexOffset: function () {\n    return this._vertexOffset;\n  }\n});\necharts.util.defaults(LinesGeometry.prototype, dynamicConvertMixin);\nexport default LinesGeometry;","/**\n * Texture Atlas for the sprites.\n * It uses zrender for 2d element management and rendering\n * @module echarts-gl/util/ZRTextureAtlasSurface\n */\n// TODO Expand.\nimport * as echarts from 'echarts/lib/echarts';\nimport Texture2D from 'claygl/src/Texture2D';\n\nfunction ZRTextureAtlasSurfaceNode(zr, offsetX, offsetY, width, height, gap, dpr) {\n  this._zr = zr;\n  /**\n   * Current cursor x\n   * @type {number}\n   * @private\n   */\n\n  this._x = 0;\n  /**\n   * Current cursor y\n   * @type {number}\n   */\n\n  this._y = 0;\n  this._rowHeight = 0;\n  /**\n   * width without dpr.\n   * @type {number}\n   * @private\n   */\n\n  this.width = width;\n  /**\n   * height without dpr.\n   * @type {number}\n   * @private\n   */\n\n  this.height = height;\n  /**\n   * offsetX without dpr\n   * @type {number}\n   */\n\n  this.offsetX = offsetX;\n  /**\n   * offsetY without dpr\n   * @type {number}\n   */\n\n  this.offsetY = offsetY;\n  this.dpr = dpr;\n  this.gap = gap;\n}\n\nZRTextureAtlasSurfaceNode.prototype = {\n  constructor: ZRTextureAtlasSurfaceNode,\n  clear: function () {\n    this._x = 0;\n    this._y = 0;\n    this._rowHeight = 0;\n  },\n\n  /**\n   * Add shape to atlas\n   * @param {module:zrender/graphic/Displayable} shape\n   * @param {number} width\n   * @param {number} height\n   * @return {Array}\n   */\n  add: function (el, width, height) {\n    // FIXME Text element not consider textAlign and textVerticalAlign.\n    // TODO, inner text, shadow\n    var rect = el.getBoundingRect(); // FIXME aspect ratio\n\n    if (width == null) {\n      width = rect.width;\n    }\n\n    if (height == null) {\n      height = rect.height;\n    }\n\n    width *= this.dpr;\n    height *= this.dpr;\n\n    this._fitElement(el, width, height); // var aspect = el.scale[1] / el.scale[0];\n    // Adjust aspect ratio to make the text more clearly\n    // FIXME If height > width, width is useless ?\n    // width = height * aspect;\n    // el.position[0] *= aspect;\n    // el.scale[0] = el.scale[1];\n\n\n    var x = this._x;\n    var y = this._y;\n    var canvasWidth = this.width * this.dpr;\n    var canvasHeight = this.height * this.dpr;\n    var gap = this.gap;\n\n    if (x + width + gap > canvasWidth) {\n      // Change a new row\n      x = this._x = 0;\n      y += this._rowHeight + gap;\n      this._y = y; // Reset row height\n\n      this._rowHeight = 0;\n    }\n\n    this._x += width + gap;\n    this._rowHeight = Math.max(this._rowHeight, height);\n\n    if (y + height + gap > canvasHeight) {\n      // There is no space anymore\n      return null;\n    } // Shift the el\n\n\n    el.x += this.offsetX * this.dpr + x;\n    el.y += this.offsetY * this.dpr + y;\n\n    this._zr.add(el);\n\n    var coordsOffset = [this.offsetX / this.width, this.offsetY / this.height];\n    var coords = [[x / canvasWidth + coordsOffset[0], y / canvasHeight + coordsOffset[1]], [(x + width) / canvasWidth + coordsOffset[0], (y + height) / canvasHeight + coordsOffset[1]]];\n    return coords;\n  },\n\n  /**\n   * Fit element size by correct its position and scaling\n   * @param {module:zrender/graphic/Displayable} el\n   * @param {number} spriteWidth\n   * @param {number} spriteHeight\n   */\n  _fitElement: function (el, spriteWidth, spriteHeight) {\n    // TODO, inner text, shadow\n    var rect = el.getBoundingRect();\n    var scaleX = spriteWidth / rect.width;\n    var scaleY = spriteHeight / rect.height;\n    el.x = -rect.x * scaleX;\n    el.y = -rect.y * scaleY;\n    el.scaleX = scaleX;\n    el.scaleY = scaleY;\n    el.update();\n  }\n};\n/**\n * constructor\n * @alias module:echarts-gl/util/ZRTextureAtlasSurface\n * @param {number} opt.width\n * @param {number} opt.height\n * @param {number} opt.devicePixelRatio\n * @param {number} opt.gap Gap for safe.\n * @param {Function} opt.onupdate\n */\n\nfunction ZRTextureAtlasSurface(opt) {\n  opt = opt || {};\n  opt.width = opt.width || 512;\n  opt.height = opt.height || 512;\n  opt.devicePixelRatio = opt.devicePixelRatio || 1;\n  opt.gap = opt.gap == null ? 2 : opt.gap;\n  var canvas = document.createElement('canvas');\n  canvas.width = opt.width * opt.devicePixelRatio;\n  canvas.height = opt.height * opt.devicePixelRatio;\n  this._canvas = canvas;\n  this._texture = new Texture2D({\n    image: canvas,\n    flipY: false\n  });\n  var self = this;\n  /**\n   * zrender instance in the Chart\n   * @type {zrender~ZRender}\n   */\n\n  this._zr = echarts.zrender.init(canvas);\n  var oldRefreshImmediately = this._zr.refreshImmediately;\n\n  this._zr.refreshImmediately = function () {\n    oldRefreshImmediately.call(this);\n\n    self._texture.dirty();\n\n    self.onupdate && self.onupdate();\n  };\n\n  this._dpr = opt.devicePixelRatio;\n  /**\n   * Texture coords map for each sprite image\n   * @type {Object}\n   */\n\n  this._coords = {};\n  this.onupdate = opt.onupdate;\n  this._gap = opt.gap; // Left sub atlas.\n\n  this._textureAtlasNodes = [new ZRTextureAtlasSurfaceNode(this._zr, 0, 0, opt.width, opt.height, this._gap, this._dpr)];\n  this._nodeWidth = opt.width;\n  this._nodeHeight = opt.height;\n  this._currentNodeIdx = 0;\n}\n\nZRTextureAtlasSurface.prototype = {\n  /**\n   * Clear the texture atlas\n   */\n  clear: function () {\n    for (var i = 0; i < this._textureAtlasNodes.length; i++) {\n      this._textureAtlasNodes[i].clear();\n    }\n\n    this._currentNodeIdx = 0;\n\n    this._zr.clear();\n\n    this._coords = {};\n  },\n\n  /**\n   * @return {number}\n   */\n  getWidth: function () {\n    return this._width;\n  },\n\n  /**\n   * @return {number}\n   */\n  getHeight: function () {\n    return this._height;\n  },\n\n  /**\n   * @return {number}\n   */\n  getTexture: function () {\n    return this._texture;\n  },\n\n  /**\n   * @return {number}\n   */\n  getDevicePixelRatio: function () {\n    return this._dpr;\n  },\n  getZr: function () {\n    return this._zr;\n  },\n  _getCurrentNode: function () {\n    return this._textureAtlasNodes[this._currentNodeIdx];\n  },\n  _expand: function () {\n    this._currentNodeIdx++;\n\n    if (this._textureAtlasNodes[this._currentNodeIdx]) {\n      // Use the node created previously.\n      return this._textureAtlasNodes[this._currentNodeIdx];\n    }\n\n    var maxSize = 4096 / this._dpr;\n    var textureAtlasNodes = this._textureAtlasNodes;\n    var nodeLen = textureAtlasNodes.length;\n    var offsetX = nodeLen * this._nodeWidth % maxSize;\n\n    var offsetY = Math.floor(nodeLen * this._nodeWidth / maxSize) * this._nodeHeight;\n\n    if (offsetY >= maxSize) {\n      // Failed if image is too large.\n      if (process.env.NODE_ENV !== 'production') {\n        console.error('Too much labels. Some will be ignored.');\n      }\n\n      return;\n    }\n\n    var width = (offsetX + this._nodeWidth) * this._dpr;\n    var height = (offsetY + this._nodeHeight) * this._dpr;\n\n    try {\n      // Resize will error in node.\n      this._zr.resize({\n        width: width,\n        height: height\n      });\n    } catch (e) {\n      this._canvas.width = width;\n      this._canvas.height = height;\n    }\n\n    var newNode = new ZRTextureAtlasSurfaceNode(this._zr, offsetX, offsetY, this._nodeWidth, this._nodeHeight, this._gap, this._dpr);\n\n    this._textureAtlasNodes.push(newNode);\n\n    return newNode;\n  },\n  add: function (el, width, height) {\n    if (this._coords[el.id]) {\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn('Element already been add');\n      }\n\n      return this._coords[el.id];\n    }\n\n    var coords = this._getCurrentNode().add(el, width, height);\n\n    if (!coords) {\n      var newNode = this._expand();\n\n      if (!newNode) {\n        // To maximum\n        return;\n      }\n\n      coords = newNode.add(el, width, height);\n    }\n\n    this._coords[el.id] = coords;\n    return coords;\n  },\n\n  /**\n   * Get coord scale after texture atlas is expanded.\n   * @return {Array.<number>}\n   */\n  getCoordsScale: function () {\n    var dpr = this._dpr;\n    return [this._nodeWidth / this._canvas.width * dpr, this._nodeHeight / this._canvas.height * dpr];\n  },\n\n  /**\n   * Get texture coords of sprite image\n   * @param  {string} id Image id\n   * @return {Array}\n   */\n  getCoords: function (id) {\n    return this._coords[id];\n  }\n};\nexport default ZRTextureAtlasSurface;","import graphicGL from '../../util/graphicGL';\nimport Skybox from 'claygl/src/plugin/Skybox';\nimport * as echarts from 'echarts/lib/echarts';\n\nfunction SceneHelper() {}\n\nSceneHelper.prototype = {\n  constructor: SceneHelper,\n  setScene: function (scene) {\n    this._scene = scene;\n\n    if (this._skybox) {\n      this._skybox.attachScene(this._scene);\n    }\n  },\n  initLight: function (rootNode) {\n    this._lightRoot = rootNode;\n    /**\n     * @type {clay.light.Directional}\n     */\n\n    this.mainLight = new graphicGL.DirectionalLight({\n      shadowBias: 0.005\n    });\n    /**\n     * @type {clay.light.Ambient}\n     */\n\n    this.ambientLight = new graphicGL.AmbientLight();\n    rootNode.add(this.mainLight);\n    rootNode.add(this.ambientLight);\n  },\n  dispose: function () {\n    if (this._lightRoot) {\n      this._lightRoot.remove(this.mainLight);\n\n      this._lightRoot.remove(this.ambientLight);\n    }\n  },\n  updateLight: function (componentModel) {\n    var mainLight = this.mainLight;\n    var ambientLight = this.ambientLight;\n    var lightModel = componentModel.getModel('light');\n    var mainLightModel = lightModel.getModel('main');\n    var ambientLightModel = lightModel.getModel('ambient');\n    mainLight.intensity = mainLightModel.get('intensity');\n    ambientLight.intensity = ambientLightModel.get('intensity');\n    mainLight.color = graphicGL.parseColor(mainLightModel.get('color')).slice(0, 3);\n    ambientLight.color = graphicGL.parseColor(ambientLightModel.get('color')).slice(0, 3);\n    var alpha = mainLightModel.get('alpha') || 0;\n    var beta = mainLightModel.get('beta') || 0;\n    mainLight.position.setArray(graphicGL.directionFromAlphaBeta(alpha, beta));\n    mainLight.lookAt(graphicGL.Vector3.ZERO);\n    mainLight.castShadow = mainLightModel.get('shadow');\n    mainLight.shadowResolution = graphicGL.getShadowResolution(mainLightModel.get('shadowQuality'));\n  },\n  updateAmbientCubemap: function (renderer, componentModel, api) {\n    var ambientCubemapModel = componentModel.getModel('light.ambientCubemap');\n    var textureUrl = ambientCubemapModel.get('texture');\n\n    if (textureUrl) {\n      this._cubemapLightsCache = this._cubemapLightsCache || {};\n      var lights = this._cubemapLightsCache[textureUrl];\n\n      if (!lights) {\n        var self = this;\n        lights = this._cubemapLightsCache[textureUrl] = graphicGL.createAmbientCubemap(ambientCubemapModel.option, renderer, api, function () {\n          // Use prefitered cubemap\n          if (self._isSkyboxFromAmbientCubemap) {\n            self._skybox.setEnvironmentMap(lights.specular.cubemap);\n          }\n\n          api.getZr().refresh();\n        });\n      }\n\n      this._lightRoot.add(lights.diffuse);\n\n      this._lightRoot.add(lights.specular);\n\n      this._currentCubemapLights = lights;\n    } else if (this._currentCubemapLights) {\n      this._lightRoot.remove(this._currentCubemapLights.diffuse);\n\n      this._lightRoot.remove(this._currentCubemapLights.specular);\n\n      this._currentCubemapLights = null;\n    }\n  },\n  updateSkybox: function (renderer, componentModel, api) {\n    var environmentUrl = componentModel.get('environment');\n    var self = this;\n\n    function getSkybox() {\n      self._skybox = self._skybox || new Skybox();\n      return self._skybox;\n    }\n\n    var skybox = getSkybox();\n\n    if (environmentUrl && environmentUrl !== 'none') {\n      if (environmentUrl === 'auto') {\n        this._isSkyboxFromAmbientCubemap = true; // Use environment in ambient cubemap\n\n        if (this._currentCubemapLights) {\n          var cubemap = this._currentCubemapLights.specular.cubemap;\n          skybox.setEnvironmentMap(cubemap);\n\n          if (this._scene) {\n            skybox.attachScene(this._scene);\n          }\n\n          skybox.material.set('lod', 3);\n        } else if (this._skybox) {\n          this._skybox.detachScene();\n        }\n      } // Is gradient or color string\n      else if (typeof environmentUrl === 'object' && environmentUrl.colorStops || typeof environmentUrl === 'string' && echarts.color.parse(environmentUrl)) {\n          this._isSkyboxFromAmbientCubemap = false;\n          var texture = new graphicGL.Texture2D({\n            anisotropic: 8,\n            flipY: false\n          });\n          skybox.setEnvironmentMap(texture);\n          var canvas = texture.image = document.createElement('canvas');\n          canvas.width = canvas.height = 16;\n          var ctx = canvas.getContext('2d');\n          var rect = new echarts.graphic.Rect({\n            shape: {\n              x: 0,\n              y: 0,\n              width: 16,\n              height: 16\n            },\n            style: {\n              fill: environmentUrl\n            }\n          });\n          echarts.innerDrawElementOnCanvas(ctx, rect);\n          skybox.attachScene(this._scene);\n        } else {\n          this._isSkyboxFromAmbientCubemap = false; // Panorama\n\n          var texture = graphicGL.loadTexture(environmentUrl, api, {\n            anisotropic: 8,\n            flipY: false\n          });\n          skybox.setEnvironmentMap(texture);\n          skybox.attachScene(this._scene);\n        }\n    } else {\n      if (this._skybox) {\n        this._skybox.detachScene(this._scene);\n      }\n\n      this._skybox = null;\n    }\n\n    var coordSys = componentModel.coordinateSystem;\n\n    if (this._skybox) {\n      if (coordSys && coordSys.viewGL && environmentUrl !== 'auto' && !(environmentUrl.match && environmentUrl.match(/.hdr$/))) {\n        var srgbDefineMethod = coordSys.viewGL.isLinearSpace() ? 'define' : 'undefine';\n\n        this._skybox.material[srgbDefineMethod]('fragment', 'SRGB_DECODE');\n      } else {\n        this._skybox.material.undefine('fragment', 'SRGB_DECODE');\n      } // var ambientCubemapUrl = environmentUrl === 'auto'\n      //     ? componentModel.get('light.ambientCubemap.texture')\n      //     : environmentUrl;\n\n    }\n  }\n};\nexport default SceneHelper;","/**\n * @module echarts-gl/util/geometry/QuadsGeometry\n * @author Yi Shen(http://github.com/pissang)\n */\nimport Geometry from 'claygl/src/Geometry';\nimport * as echarts from 'echarts/lib/echarts';\nimport dynamicConvertMixin from './dynamicConvertMixin';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nvar vec3 = glmatrix.vec3;\n/**\n * @constructor\n * @alias module:echarts-gl/util/geometry/QuadsGeometry\n * @extends clay.Geometry\n */\n\nvar QuadsGeometry = Geometry.extend(function () {\n  return {\n    segmentScale: 1,\n\n    /**\n     * Need to use mesh to expand lines if lineWidth > MAX_LINE_WIDTH\n     */\n    useNativeLine: true,\n    attributes: {\n      position: new Geometry.Attribute('position', 'float', 3, 'POSITION'),\n      normal: new Geometry.Attribute('normal', 'float', 3, 'NORMAL'),\n      color: new Geometry.Attribute('color', 'float', 4, 'COLOR')\n    }\n  };\n},\n/** @lends module: echarts-gl/util/geometry/QuadsGeometry.prototype */\n{\n  /**\n   * Reset offset\n   */\n  resetOffset: function () {\n    this._vertexOffset = 0;\n    this._faceOffset = 0;\n  },\n\n  /**\n   * @param {number} nQuad\n   */\n  setQuadCount: function (nQuad) {\n    var attributes = this.attributes;\n    var vertexCount = this.getQuadVertexCount() * nQuad;\n    var triangleCount = this.getQuadTriangleCount() * nQuad;\n\n    if (this.vertexCount !== vertexCount) {\n      attributes.position.init(vertexCount);\n      attributes.normal.init(vertexCount);\n      attributes.color.init(vertexCount);\n    }\n\n    if (this.triangleCount !== triangleCount) {\n      this.indices = vertexCount > 0xffff ? new Uint32Array(triangleCount * 3) : new Uint16Array(triangleCount * 3);\n    }\n  },\n  getQuadVertexCount: function () {\n    return 4;\n  },\n  getQuadTriangleCount: function () {\n    return 2;\n  },\n\n  /**\n   * Add a quad, which in following order:\n   * 0-----1\n   * 3-----2\n   */\n  addQuad: function () {\n    var a = vec3.create();\n    var b = vec3.create();\n    var normal = vec3.create();\n    var indices = [0, 3, 1, 3, 2, 1];\n    return function (coords, color) {\n      var positionAttr = this.attributes.position;\n      var normalAttr = this.attributes.normal;\n      var colorAttr = this.attributes.color;\n      vec3.sub(a, coords[1], coords[0]);\n      vec3.sub(b, coords[2], coords[1]);\n      vec3.cross(normal, a, b);\n      vec3.normalize(normal, normal);\n\n      for (var i = 0; i < 4; i++) {\n        positionAttr.set(this._vertexOffset + i, coords[i]);\n        colorAttr.set(this._vertexOffset + i, color);\n        normalAttr.set(this._vertexOffset + i, normal);\n      }\n\n      var idx = this._faceOffset * 3;\n\n      for (var i = 0; i < 6; i++) {\n        this.indices[idx + i] = indices[i] + this._vertexOffset;\n      }\n\n      this._vertexOffset += 4;\n      this._faceOffset += 2;\n    };\n  }()\n});\necharts.util.defaults(QuadsGeometry.prototype, dynamicConvertMixin);\nexport default QuadsGeometry;","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport retrieve from '../../util/retrieve';\nimport Lines3DGeometry from '../../util/geometry/Lines3D';\nimport QuadsGeometry from '../../util/geometry/Quads';\nvar firstNotNull = retrieve.firstNotNull;\nvar dimIndicesMap = {\n  // Left to right\n  x: 0,\n  // Far to near\n  y: 2,\n  // Bottom to up\n  z: 1\n};\n\nfunction updateFacePlane(node, plane, otherAxis, dir) {\n  var coord = [0, 0, 0];\n  var distance = dir < 0 ? otherAxis.getExtentMin() : otherAxis.getExtentMax();\n  coord[dimIndicesMap[otherAxis.dim]] = distance;\n  node.position.setArray(coord);\n  node.rotation.identity(); // Negative distance because on the opposite of normal direction.\n\n  plane.distance = -Math.abs(distance);\n  plane.normal.set(0, 0, 0);\n\n  if (otherAxis.dim === 'x') {\n    node.rotation.rotateY(dir * Math.PI / 2);\n    plane.normal.x = -dir;\n  } else if (otherAxis.dim === 'z') {\n    node.rotation.rotateX(-dir * Math.PI / 2);\n    plane.normal.y = -dir;\n  } else {\n    if (dir > 0) {\n      node.rotation.rotateY(Math.PI);\n    }\n\n    plane.normal.z = -dir;\n  }\n}\n\nfunction Grid3DFace(faceInfo, linesMaterial, quadsMaterial) {\n  this.rootNode = new graphicGL.Node();\n  var linesMesh = new graphicGL.Mesh({\n    geometry: new Lines3DGeometry({\n      useNativeLine: false\n    }),\n    material: linesMaterial,\n    castShadow: false,\n    ignorePicking: true,\n    $ignorePicking: true,\n    renderOrder: 1\n  });\n  var quadsMesh = new graphicGL.Mesh({\n    geometry: new QuadsGeometry(),\n    material: quadsMaterial,\n    castShadow: false,\n    culling: false,\n    ignorePicking: true,\n    $ignorePicking: true,\n    renderOrder: 0\n  }); // Quads are behind lines.\n\n  this.rootNode.add(quadsMesh);\n  this.rootNode.add(linesMesh);\n  this.faceInfo = faceInfo;\n  this.plane = new graphicGL.Plane();\n  this.linesMesh = linesMesh;\n  this.quadsMesh = quadsMesh;\n}\n\nGrid3DFace.prototype.update = function (grid3DModel, ecModel, api) {\n  var cartesian = grid3DModel.coordinateSystem;\n  var axes = [cartesian.getAxis(this.faceInfo[0]), cartesian.getAxis(this.faceInfo[1])];\n  var lineGeometry = this.linesMesh.geometry;\n  var quadsGeometry = this.quadsMesh.geometry;\n  lineGeometry.convertToDynamicArray(true);\n  quadsGeometry.convertToDynamicArray(true);\n\n  this._updateSplitLines(lineGeometry, axes, grid3DModel, api);\n\n  this._udpateSplitAreas(quadsGeometry, axes, grid3DModel, api);\n\n  lineGeometry.convertToTypedArray();\n  quadsGeometry.convertToTypedArray();\n  var otherAxis = cartesian.getAxis(this.faceInfo[2]);\n  updateFacePlane(this.rootNode, this.plane, otherAxis, this.faceInfo[3]);\n};\n\nGrid3DFace.prototype._updateSplitLines = function (geometry, axes, grid3DModel, api) {\n  var dpr = api.getDevicePixelRatio();\n  axes.forEach(function (axis, idx) {\n    var axisModel = axis.model;\n    var otherExtent = axes[1 - idx].getExtent();\n\n    if (axis.scale.isBlank()) {\n      return;\n    }\n\n    var splitLineModel = axisModel.getModel('splitLine', grid3DModel.getModel('splitLine')); // Render splitLines\n\n    if (splitLineModel.get('show')) {\n      var lineStyleModel = splitLineModel.getModel('lineStyle');\n      var lineColors = lineStyleModel.get('color');\n      var opacity = firstNotNull(lineStyleModel.get('opacity'), 1.0);\n      var lineWidth = firstNotNull(lineStyleModel.get('width'), 1.0);\n      lineColors = echarts.util.isArray(lineColors) ? lineColors : [lineColors];\n      var ticksCoords = axis.getTicksCoords({\n        tickModel: splitLineModel\n      });\n      var count = 0;\n\n      for (var i = 0; i < ticksCoords.length; i++) {\n        var tickCoord = ticksCoords[i].coord;\n        var lineColor = graphicGL.parseColor(lineColors[count % lineColors.length]);\n        lineColor[3] *= opacity;\n        var p0 = [0, 0, 0];\n        var p1 = [0, 0, 0]; // 0 - x, 1 - y\n\n        p0[idx] = p1[idx] = tickCoord;\n        p0[1 - idx] = otherExtent[0];\n        p1[1 - idx] = otherExtent[1];\n        geometry.addLine(p0, p1, lineColor, lineWidth * dpr);\n        count++;\n      }\n    }\n  });\n};\n\nGrid3DFace.prototype._udpateSplitAreas = function (geometry, axes, grid3DModel, api) {\n  axes.forEach(function (axis, idx) {\n    var axisModel = axis.model;\n    var otherExtent = axes[1 - idx].getExtent();\n\n    if (axis.scale.isBlank()) {\n      return;\n    }\n\n    var splitAreaModel = axisModel.getModel('splitArea', grid3DModel.getModel('splitArea')); // Render splitAreas\n\n    if (splitAreaModel.get('show')) {\n      var areaStyleModel = splitAreaModel.getModel('areaStyle');\n      var colors = areaStyleModel.get('color');\n      var opacity = firstNotNull(areaStyleModel.get('opacity'), 1.0);\n      colors = echarts.util.isArray(colors) ? colors : [colors];\n      var ticksCoords = axis.getTicksCoords({\n        tickModel: splitAreaModel,\n        clamp: true\n      });\n      var count = 0;\n      var prevP0 = [0, 0, 0];\n      var prevP1 = [0, 0, 0]; // 0 - x, 1 - y\n\n      for (var i = 0; i < ticksCoords.length; i++) {\n        var tickCoord = ticksCoords[i].coord;\n        var p0 = [0, 0, 0];\n        var p1 = [0, 0, 0]; // 0 - x, 1 - y\n\n        p0[idx] = p1[idx] = tickCoord;\n        p0[1 - idx] = otherExtent[0];\n        p1[1 - idx] = otherExtent[1];\n\n        if (i === 0) {\n          prevP0 = p0;\n          prevP1 = p1;\n          continue;\n        }\n\n        var color = graphicGL.parseColor(colors[count % colors.length]);\n        color[3] *= opacity;\n        geometry.addQuad([prevP0, p0, p1, prevP1], color);\n        prevP0 = p0;\n        prevP1 = p1;\n        count++;\n      }\n    }\n  });\n};\n\nexport default Grid3DFace;","/**\n * Geometry collecting sprites\n *\n * @module echarts-gl/util/geometry/Sprites\n * @author Yi Shen(https://github.com/pissang)\n */\nimport * as echarts from 'echarts/lib/echarts';\nimport Geometry from 'claygl/src/Geometry';\nimport dynamicConvertMixin from './dynamicConvertMixin';\nvar squareTriangles = [0, 1, 2, 0, 2, 3];\nvar SpritesGeometry = Geometry.extend(function () {\n  return {\n    attributes: {\n      position: new Geometry.Attribute('position', 'float', 3, 'POSITION'),\n      texcoord: new Geometry.Attribute('texcoord', 'float', 2, 'TEXCOORD_0'),\n      offset: new Geometry.Attribute('offset', 'float', 2),\n      color: new Geometry.Attribute('color', 'float', 4, 'COLOR')\n    }\n  };\n}, {\n  resetOffset: function () {\n    this._vertexOffset = 0;\n    this._faceOffset = 0;\n  },\n  setSpriteCount: function (spriteCount) {\n    this._spriteCount = spriteCount;\n    var vertexCount = spriteCount * 4;\n    var triangleCount = spriteCount * 2;\n\n    if (this.vertexCount !== vertexCount) {\n      this.attributes.position.init(vertexCount);\n      this.attributes.offset.init(vertexCount);\n      this.attributes.color.init(vertexCount);\n    }\n\n    if (this.triangleCount !== triangleCount) {\n      this.indices = vertexCount > 0xffff ? new Uint32Array(triangleCount * 3) : new Uint16Array(triangleCount * 3);\n    }\n  },\n  setSpriteAlign: function (spriteOffset, size, align, verticalAlign, margin) {\n    if (align == null) {\n      align = 'left';\n    }\n\n    if (verticalAlign == null) {\n      verticalAlign = 'top';\n    }\n\n    var leftOffset, topOffset, rightOffset, bottomOffset;\n    margin = margin || 0;\n\n    switch (align) {\n      case 'left':\n        leftOffset = margin;\n        rightOffset = size[0] + margin;\n        break;\n\n      case 'center':\n      case 'middle':\n        leftOffset = -size[0] / 2;\n        rightOffset = size[0] / 2;\n        break;\n\n      case 'right':\n        leftOffset = -size[0] - margin;\n        rightOffset = -margin;\n        break;\n    }\n\n    switch (verticalAlign) {\n      case 'bottom':\n        topOffset = margin;\n        bottomOffset = size[1] + margin;\n        break;\n\n      case 'middle':\n        topOffset = -size[1] / 2;\n        bottomOffset = size[1] / 2;\n        break;\n\n      case 'top':\n        topOffset = -size[1] - margin;\n        bottomOffset = -margin;\n        break;\n    } // 3----2\n    // 0----1\n\n\n    var vertexOffset = spriteOffset * 4;\n    var offsetAttr = this.attributes.offset;\n    offsetAttr.set(vertexOffset, [leftOffset, bottomOffset]);\n    offsetAttr.set(vertexOffset + 1, [rightOffset, bottomOffset]);\n    offsetAttr.set(vertexOffset + 2, [rightOffset, topOffset]);\n    offsetAttr.set(vertexOffset + 3, [leftOffset, topOffset]);\n  },\n\n  /**\n   * Add sprite\n   * @param {Array.<number>} position\n   * @param {Array.<number>} size [width, height]\n   * @param {Array.<Array>} coords [leftBottom, rightTop]\n   * @param {string} [align='left'] 'left' 'center' 'right'\n   * @param {string} [verticalAlign='top'] 'top' 'middle' 'bottom'\n   * @param {number} [screenMargin=0]\n   */\n  addSprite: function (position, size, coords, align, verticalAlign, screenMargin) {\n    var vertexOffset = this._vertexOffset;\n    this.setSprite(this._vertexOffset / 4, position, size, coords, align, verticalAlign, screenMargin);\n\n    for (var i = 0; i < squareTriangles.length; i++) {\n      this.indices[this._faceOffset * 3 + i] = squareTriangles[i] + vertexOffset;\n    }\n\n    this._faceOffset += 2;\n    this._vertexOffset += 4;\n    return vertexOffset / 4;\n  },\n  setSprite: function (spriteOffset, position, size, coords, align, verticalAlign, screenMargin) {\n    var vertexOffset = spriteOffset * 4;\n    var attributes = this.attributes;\n\n    for (var i = 0; i < 4; i++) {\n      attributes.position.set(vertexOffset + i, position);\n    } // 3----2\n    // 0----1\n\n\n    var texcoordAttr = attributes.texcoord;\n    texcoordAttr.set(vertexOffset, [coords[0][0], coords[0][1]]);\n    texcoordAttr.set(vertexOffset + 1, [coords[1][0], coords[0][1]]);\n    texcoordAttr.set(vertexOffset + 2, [coords[1][0], coords[1][1]]);\n    texcoordAttr.set(vertexOffset + 3, [coords[0][0], coords[1][1]]);\n    this.setSpriteAlign(spriteOffset, size, align, verticalAlign, screenMargin);\n  }\n});\necharts.util.defaults(SpritesGeometry.prototype, dynamicConvertMixin);\nexport default SpritesGeometry;","import graphicGL from '../graphicGL';\nimport SpritesGeometry from '../geometry/Sprites';\nimport labelsGLSL from '../shader/labels.glsl.js';\ngraphicGL.Shader.import(labelsGLSL);\nexport default graphicGL.Mesh.extend(function () {\n  var geometry = new SpritesGeometry({\n    dynamic: true\n  });\n  var material = new graphicGL.Material({\n    shader: graphicGL.createShader('ecgl.labels'),\n    transparent: true,\n    depthMask: false\n  });\n  return {\n    geometry: geometry,\n    material: material,\n    culling: false,\n    castShadow: false,\n    ignorePicking: true\n  };\n});","export default \"@export ecgl.labels.vertex\\n\\nattribute vec3 position: POSITION;\\nattribute vec2 texcoord: TEXCOORD_0;\\nattribute vec2 offset;\\n#ifdef VERTEX_COLOR\\nattribute vec4 a_Color : COLOR;\\nvarying vec4 v_Color;\\n#endif\\n\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\nuniform vec4 viewport : VIEWPORT;\\n\\nvarying vec2 v_Texcoord;\\n\\nvoid main()\\n{\\n vec4 proj = worldViewProjection * vec4(position, 1.0);\\n\\n vec2 screen = (proj.xy / abs(proj.w) + 1.0) * 0.5 * viewport.zw;\\n\\n screen += offset;\\n\\n proj.xy = (screen / viewport.zw - 0.5) * 2.0 * abs(proj.w);\\n gl_Position = proj;\\n#ifdef VERTEX_COLOR\\n v_Color = a_Color;\\n#endif\\n v_Texcoord = texcoord;\\n}\\n@end\\n\\n\\n@export ecgl.labels.fragment\\n\\nuniform vec3 color : [1.0, 1.0, 1.0];\\nuniform float alpha : 1.0;\\nuniform sampler2D textureAtlas;\\nuniform vec2 uvScale: [1.0, 1.0];\\n\\n#ifdef VERTEX_COLOR\\nvarying vec4 v_Color;\\n#endif\\nvarying float v_Miter;\\n\\nvarying vec2 v_Texcoord;\\n\\nvoid main()\\n{\\n gl_FragColor = vec4(color, alpha) * texture2D(textureAtlas, v_Texcoord * uvScale);\\n#ifdef VERTEX_COLOR\\n gl_FragColor *= v_Color;\\n#endif\\n}\\n\\n@end\";","import * as echarts from 'echarts/lib/echarts';\nimport { createTextStyle } from 'echarts/lib/label/labelStyle';\nimport graphicGL from '../../util/graphicGL';\nimport Lines3DGeometry from '../../util/geometry/Lines3D';\nimport retrieve from '../../util/retrieve';\nimport LabelsMesh from '../../util/mesh/LabelsMesh';\nvar firstNotNull = retrieve.firstNotNull;\nvar dimIndicesMap = {\n  // Left to right\n  x: 0,\n  // Far to near\n  y: 2,\n  // Bottom to up\n  z: 1\n};\n\nfunction Grid3DAxis(dim, linesMaterial) {\n  var linesMesh = new graphicGL.Mesh({\n    geometry: new Lines3DGeometry({\n      useNativeLine: false\n    }),\n    material: linesMaterial,\n    castShadow: false,\n    ignorePicking: true,\n    renderOrder: 2\n  });\n  var axisLabelsMesh = new LabelsMesh();\n  axisLabelsMesh.material.depthMask = false;\n  var rootNode = new graphicGL.Node();\n  rootNode.add(linesMesh);\n  rootNode.add(axisLabelsMesh);\n  this.rootNode = rootNode;\n  this.dim = dim;\n  this.linesMesh = linesMesh;\n  this.labelsMesh = axisLabelsMesh;\n  this.axisLineCoords = null;\n  this.labelElements = [];\n}\n\nvar otherDim = {\n  x: 'y',\n  y: 'x',\n  z: 'y'\n};\n\nGrid3DAxis.prototype.update = function (grid3DModel, axisLabelSurface, api) {\n  var cartesian = grid3DModel.coordinateSystem;\n  var axis = cartesian.getAxis(this.dim);\n  var linesGeo = this.linesMesh.geometry;\n  var labelsGeo = this.labelsMesh.geometry;\n  linesGeo.convertToDynamicArray(true);\n  labelsGeo.convertToDynamicArray(true);\n  var axisModel = axis.model;\n  var extent = axis.getExtent();\n  var dpr = api.getDevicePixelRatio();\n  var axisLineModel = axisModel.getModel('axisLine', grid3DModel.getModel('axisLine'));\n  var axisTickModel = axisModel.getModel('axisTick', grid3DModel.getModel('axisTick'));\n  var axisLabelModel = axisModel.getModel('axisLabel', grid3DModel.getModel('axisLabel'));\n  var axisLineColor = axisLineModel.get('lineStyle.color'); // Render axisLine\n\n  if (axisLineModel.get('show')) {\n    var axisLineStyleModel = axisLineModel.getModel('lineStyle');\n    var p0 = [0, 0, 0];\n    var p1 = [0, 0, 0];\n    var idx = dimIndicesMap[axis.dim];\n    p0[idx] = extent[0];\n    p1[idx] = extent[1]; // Save some useful info.\n\n    this.axisLineCoords = [p0, p1];\n    var color = graphicGL.parseColor(axisLineColor);\n    var lineWidth = firstNotNull(axisLineStyleModel.get('width'), 1.0);\n    var opacity = firstNotNull(axisLineStyleModel.get('opacity'), 1.0);\n    color[3] *= opacity;\n    linesGeo.addLine(p0, p1, color, lineWidth * dpr);\n  } // Render axis ticksCoords\n\n\n  if (axisTickModel.get('show')) {\n    var lineStyleModel = axisTickModel.getModel('lineStyle');\n    var lineColor = graphicGL.parseColor(firstNotNull(lineStyleModel.get('color'), axisLineColor));\n    var lineWidth = firstNotNull(lineStyleModel.get('width'), 1.0);\n    lineColor[3] *= firstNotNull(lineStyleModel.get('opacity'), 1.0);\n    var ticksCoords = axis.getTicksCoords();\n    var tickLength = axisTickModel.get('length');\n\n    for (var i = 0; i < ticksCoords.length; i++) {\n      var tickCoord = ticksCoords[i].coord;\n      var p0 = [0, 0, 0];\n      var p1 = [0, 0, 0];\n      var idx = dimIndicesMap[axis.dim];\n      var otherIdx = dimIndicesMap[otherDim[axis.dim]]; // 0 : x, 1 : y\n\n      p0[idx] = p1[idx] = tickCoord;\n      p1[otherIdx] = tickLength;\n      linesGeo.addLine(p0, p1, lineColor, lineWidth * dpr);\n    }\n  }\n\n  this.labelElements = [];\n  var dpr = api.getDevicePixelRatio();\n\n  if (axisLabelModel.get('show')) {\n    var ticksCoords = axis.getTicksCoords();\n    var categoryData = axisModel.get('data');\n    var labelMargin = axisLabelModel.get('margin');\n    var labels = axis.getViewLabels();\n\n    for (var i = 0; i < labels.length; i++) {\n      var tickValue = labels[i].tickValue;\n      var formattedLabel = labels[i].formattedLabel;\n      var rawLabel = labels[i].rawLabel;\n      var tickCoord = axis.dataToCoord(tickValue);\n      var p = [0, 0, 0];\n      var idx = dimIndicesMap[axis.dim];\n      var otherIdx = dimIndicesMap[otherDim[axis.dim]]; // 0 : x, 1 : y\n\n      p[idx] = p[idx] = tickCoord;\n      p[otherIdx] = labelMargin;\n      var itemTextStyleModel = axisLabelModel;\n\n      if (categoryData && categoryData[tickValue] && categoryData[tickValue].textStyle) {\n        itemTextStyleModel = new echarts.Model(categoryData[tickValue].textStyle, axisLabelModel, axisModel.ecModel);\n      }\n\n      var textColor = firstNotNull(itemTextStyleModel.get('color'), axisLineColor);\n      var textEl = new echarts.graphic.Text({\n        style: createTextStyle(itemTextStyleModel, {\n          text: formattedLabel,\n          fill: typeof textColor === 'function' ? textColor( // (1) In category axis with data zoom, tick is not the original\n          // index of axis.data. So tick should not be exposed to user\n          // in category axis.\n          // (2) Compatible with previous version, which always returns labelStr.\n          // But in interval scale labelStr is like '223,445', which maked\n          // user repalce ','. So we modify it to return original val but remain\n          // it as 'string' to avoid error in replacing.\n          axis.type === 'category' ? rawLabel : axis.type === 'value' ? tickValue + '' : tickValue, i) : textColor,\n          verticalAlign: 'top',\n          align: 'left'\n        })\n      });\n      var coords = axisLabelSurface.add(textEl);\n      var rect = textEl.getBoundingRect();\n      labelsGeo.addSprite(p, [rect.width * dpr, rect.height * dpr], coords);\n      this.labelElements.push(textEl);\n    }\n  }\n\n  if (axisModel.get('name')) {\n    var nameTextStyleModel = axisModel.getModel('nameTextStyle');\n    var p = [0, 0, 0];\n    var idx = dimIndicesMap[axis.dim];\n    var otherIdx = dimIndicesMap[otherDim[axis.dim]];\n    var labelColor = firstNotNull(nameTextStyleModel.get('color'), axisLineColor);\n    var strokeColor = nameTextStyleModel.get('borderColor');\n    var lineWidth = nameTextStyleModel.get('borderWidth'); // TODO start and end\n\n    p[idx] = p[idx] = (extent[0] + extent[1]) / 2;\n    p[otherIdx] = axisModel.get('nameGap');\n    var textEl = new echarts.graphic.Text({\n      style: createTextStyle(nameTextStyleModel, {\n        text: axisModel.get('name'),\n        fill: labelColor,\n        stroke: strokeColor,\n        lineWidth: lineWidth\n      })\n    });\n    var coords = axisLabelSurface.add(textEl);\n    var rect = textEl.getBoundingRect();\n    labelsGeo.addSprite(p, [rect.width * dpr, rect.height * dpr], coords);\n    textEl.__idx = this.labelElements.length;\n    this.nameLabelElement = textEl;\n  }\n\n  this.labelsMesh.material.set('textureAtlas', axisLabelSurface.getTexture());\n  this.labelsMesh.material.set('uvScale', axisLabelSurface.getCoordsScale());\n  linesGeo.convertToTypedArray();\n  labelsGeo.convertToTypedArray();\n};\n\nGrid3DAxis.prototype.setSpriteAlign = function (textAlign, textVerticalAlign, api) {\n  var dpr = api.getDevicePixelRatio();\n  var labelGeo = this.labelsMesh.geometry;\n\n  for (var i = 0; i < this.labelElements.length; i++) {\n    var labelEl = this.labelElements[i];\n    var rect = labelEl.getBoundingRect();\n    labelGeo.setSpriteAlign(i, [rect.width * dpr, rect.height * dpr], textAlign, textVerticalAlign);\n  } // name label\n\n\n  var nameLabelEl = this.nameLabelElement;\n\n  if (nameLabelEl) {\n    var rect = nameLabelEl.getBoundingRect();\n    labelGeo.setSpriteAlign(nameLabelEl.__idx, [rect.width * dpr, rect.height * dpr], textAlign, textVerticalAlign);\n    labelGeo.dirty();\n  }\n\n  this.textAlign = textAlign;\n  this.textVerticalAlign = textVerticalAlign;\n};\n\nexport default Grid3DAxis;","export default \"@export ecgl.lines3D.vertex\\n\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\n\\nattribute vec3 position: POSITION;\\nattribute vec4 a_Color : COLOR;\\nvarying vec4 v_Color;\\n\\nvoid main()\\n{\\n gl_Position = worldViewProjection * vec4(position, 1.0);\\n v_Color = a_Color;\\n}\\n\\n@end\\n\\n@export ecgl.lines3D.fragment\\n\\nuniform vec4 color : [1.0, 1.0, 1.0, 1.0];\\n\\nvarying vec4 v_Color;\\n\\n@import clay.util.srgb\\n\\nvoid main()\\n{\\n#ifdef SRGB_DECODE\\n gl_FragColor = sRGBToLinear(color * v_Color);\\n#else\\n gl_FragColor = color * v_Color;\\n#endif\\n}\\n@end\\n\\n\\n\\n@export ecgl.lines3D.clipNear\\n\\nvec4 clipNear(vec4 p1, vec4 p2) {\\n float n = (p1.w - near) / (p1.w - p2.w);\\n return vec4(mix(p1.xy, p2.xy, n), -near, near);\\n}\\n\\n@end\\n\\n@export ecgl.lines3D.expandLine\\n#ifdef VERTEX_ANIMATION\\n vec4 prevProj = worldViewProjection * vec4(mix(prevPositionPrev, positionPrev, percent), 1.0);\\n vec4 currProj = worldViewProjection * vec4(mix(prevPosition, position, percent), 1.0);\\n vec4 nextProj = worldViewProjection * vec4(mix(prevPositionNext, positionNext, percent), 1.0);\\n#else\\n vec4 prevProj = worldViewProjection * vec4(positionPrev, 1.0);\\n vec4 currProj = worldViewProjection * vec4(position, 1.0);\\n vec4 nextProj = worldViewProjection * vec4(positionNext, 1.0);\\n#endif\\n\\n if (currProj.w < 0.0) {\\n if (nextProj.w > 0.0) {\\n currProj = clipNear(currProj, nextProj);\\n }\\n else if (prevProj.w > 0.0) {\\n currProj = clipNear(currProj, prevProj);\\n }\\n }\\n\\n vec2 prevScreen = (prevProj.xy / abs(prevProj.w) + 1.0) * 0.5 * viewport.zw;\\n vec2 currScreen = (currProj.xy / abs(currProj.w) + 1.0) * 0.5 * viewport.zw;\\n vec2 nextScreen = (nextProj.xy / abs(nextProj.w) + 1.0) * 0.5 * viewport.zw;\\n\\n vec2 dir;\\n float len = offset;\\n if (position == positionPrev) {\\n dir = normalize(nextScreen - currScreen);\\n }\\n else if (position == positionNext) {\\n dir = normalize(currScreen - prevScreen);\\n }\\n else {\\n vec2 dirA = normalize(currScreen - prevScreen);\\n vec2 dirB = normalize(nextScreen - currScreen);\\n\\n vec2 tanget = normalize(dirA + dirB);\\n\\n float miter = 1.0 / max(dot(tanget, dirA), 0.5);\\n len *= miter;\\n dir = tanget;\\n }\\n\\n dir = vec2(-dir.y, dir.x) * len;\\n currScreen += dir;\\n\\n currProj.xy = (currScreen / viewport.zw - 0.5) * 2.0 * abs(currProj.w);\\n@end\\n\\n\\n@export ecgl.meshLines3D.vertex\\n\\nattribute vec3 position: POSITION;\\nattribute vec3 positionPrev;\\nattribute vec3 positionNext;\\nattribute float offset;\\nattribute vec4 a_Color : COLOR;\\n\\n#ifdef VERTEX_ANIMATION\\nattribute vec3 prevPosition;\\nattribute vec3 prevPositionPrev;\\nattribute vec3 prevPositionNext;\\nuniform float percent : 1.0;\\n#endif\\n\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\nuniform vec4 viewport : VIEWPORT;\\nuniform float near : NEAR;\\n\\nvarying vec4 v_Color;\\n\\n@import ecgl.common.wireframe.vertexHeader\\n\\n@import ecgl.lines3D.clipNear\\n\\nvoid main()\\n{\\n @import ecgl.lines3D.expandLine\\n\\n gl_Position = currProj;\\n\\n v_Color = a_Color;\\n\\n @import ecgl.common.wireframe.vertexMain\\n}\\n@end\\n\\n\\n@export ecgl.meshLines3D.fragment\\n\\nuniform vec4 color : [1.0, 1.0, 1.0, 1.0];\\n\\nvarying vec4 v_Color;\\n\\n@import ecgl.common.wireframe.fragmentHeader\\n\\n@import clay.util.srgb\\n\\nvoid main()\\n{\\n#ifdef SRGB_DECODE\\n gl_FragColor = sRGBToLinear(color * v_Color);\\n#else\\n gl_FragColor = color * v_Color;\\n#endif\\n\\n @import ecgl.common.wireframe.fragmentMain\\n}\\n\\n@end\";","// TODO orthographic camera\nimport * as echarts from 'echarts/lib/echarts';\nimport { createTextStyle } from 'echarts/lib/label/labelStyle';\nimport graphicGL from '../../util/graphicGL';\nimport OrbitControl from '../../util/OrbitControl';\nimport Lines3DGeometry from '../../util/geometry/Lines3D';\nimport retrieve from '../../util/retrieve';\nvar firstNotNull = retrieve.firstNotNull;\nimport ZRTextureAtlasSurface from '../../util/ZRTextureAtlasSurface';\nimport SceneHelper from '../common/SceneHelper';\nimport Grid3DFace from './Grid3DFace';\nimport Grid3DAxis from './Grid3DAxis';\nimport LabelsMesh from '../../util/mesh/LabelsMesh';\nimport lines3DGLSL from '../../util/shader/lines3D.glsl.js';\ngraphicGL.Shader.import(lines3DGLSL);\nvar dimIndicesMap = {\n  // Left to right\n  x: 0,\n  // Far to near\n  y: 2,\n  // Bottom to up\n  z: 1\n};\nexport default echarts.ComponentView.extend({\n  type: 'grid3D',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    var FACES = [// planeDim0, planeDim1, offsetDim, dir on dim3 axis(gl), plane.\n    ['y', 'z', 'x', -1, 'left'], ['y', 'z', 'x', 1, 'right'], ['x', 'y', 'z', -1, 'bottom'], ['x', 'y', 'z', 1, 'top'], ['x', 'z', 'y', -1, 'far'], ['x', 'z', 'y', 1, 'near']];\n    var DIMS = ['x', 'y', 'z'];\n    var quadsMaterial = new graphicGL.Material({\n      // transparent: true,\n      shader: graphicGL.createShader('ecgl.color'),\n      depthMask: false,\n      transparent: true\n    });\n    var linesMaterial = new graphicGL.Material({\n      // transparent: true,\n      shader: graphicGL.createShader('ecgl.meshLines3D'),\n      depthMask: false,\n      transparent: true\n    });\n    quadsMaterial.define('fragment', 'DOUBLE_SIDED');\n    quadsMaterial.define('both', 'VERTEX_COLOR');\n    this.groupGL = new graphicGL.Node();\n    this._control = new OrbitControl({\n      zr: api.getZr()\n    });\n\n    this._control.init(); // Save mesh and other infos for each face.\n\n\n    this._faces = FACES.map(function (faceInfo) {\n      var face = new Grid3DFace(faceInfo, linesMaterial, quadsMaterial);\n      this.groupGL.add(face.rootNode);\n      return face;\n    }, this); // Save mesh and other infos for each axis.\n\n    this._axes = DIMS.map(function (dim) {\n      var axis = new Grid3DAxis(dim, linesMaterial);\n      this.groupGL.add(axis.rootNode);\n      return axis;\n    }, this);\n    var dpr = api.getDevicePixelRatio(); // Texture surface for label.\n\n    this._axisLabelSurface = new ZRTextureAtlasSurface({\n      width: 256,\n      height: 256,\n      devicePixelRatio: dpr\n    });\n\n    this._axisLabelSurface.onupdate = function () {\n      api.getZr().refresh();\n    };\n\n    this._axisPointerLineMesh = new graphicGL.Mesh({\n      geometry: new Lines3DGeometry({\n        useNativeLine: false\n      }),\n      material: linesMaterial,\n      castShadow: false,\n      // PENDING\n      ignorePicking: true,\n      renderOrder: 3\n    });\n    this.groupGL.add(this._axisPointerLineMesh);\n    this._axisPointerLabelsSurface = new ZRTextureAtlasSurface({\n      width: 128,\n      height: 128,\n      devicePixelRatio: dpr\n    });\n    this._axisPointerLabelsMesh = new LabelsMesh({\n      ignorePicking: true,\n      renderOrder: 4,\n      castShadow: false\n    });\n\n    this._axisPointerLabelsMesh.material.set('textureAtlas', this._axisPointerLabelsSurface.getTexture());\n\n    this.groupGL.add(this._axisPointerLabelsMesh);\n    this._lightRoot = new graphicGL.Node();\n    this._sceneHelper = new SceneHelper();\n\n    this._sceneHelper.initLight(this._lightRoot);\n  },\n  render: function (grid3DModel, ecModel, api) {\n    this._model = grid3DModel;\n    this._api = api;\n    var cartesian = grid3DModel.coordinateSystem; // Always have light.\n\n    cartesian.viewGL.add(this._lightRoot);\n\n    if (grid3DModel.get('show')) {\n      cartesian.viewGL.add(this.groupGL);\n    } else {\n      cartesian.viewGL.remove(this.groupGL);\n    } // cartesian.viewGL.setCameraType(grid3DModel.get('viewControl.projection'));\n\n\n    var control = this._control;\n    control.setViewGL(cartesian.viewGL);\n    var viewControlModel = grid3DModel.getModel('viewControl');\n    control.setFromViewControlModel(viewControlModel, 0);\n\n    this._axisLabelSurface.clear();\n\n    control.off('update');\n\n    if (grid3DModel.get('show')) {\n      this._faces.forEach(function (face) {\n        face.update(grid3DModel, ecModel, api);\n      }, this);\n\n      this._axes.forEach(function (axis) {\n        axis.update(grid3DModel, this._axisLabelSurface, api);\n      }, this);\n    }\n\n    control.on('update', this._onCameraChange.bind(this, grid3DModel, api), this);\n\n    this._sceneHelper.setScene(cartesian.viewGL.scene);\n\n    this._sceneHelper.updateLight(grid3DModel); // Set post effect\n\n\n    cartesian.viewGL.setPostEffect(grid3DModel.getModel('postEffect'), api);\n    cartesian.viewGL.setTemporalSuperSampling(grid3DModel.getModel('temporalSuperSampling'));\n\n    this._initMouseHandler(grid3DModel);\n  },\n  afterRender: function (grid3DModel, ecModel, api, layerGL) {\n    // Create ambient cubemap after render because we need to know the renderer.\n    // TODO\n    var renderer = layerGL.renderer;\n\n    this._sceneHelper.updateAmbientCubemap(renderer, grid3DModel, api);\n\n    this._sceneHelper.updateSkybox(renderer, grid3DModel, api);\n  },\n\n  /**\n   * showAxisPointer will be triggered by action.\n   */\n  showAxisPointer: function (grid3dModel, ecModel, api, payload) {\n    this._doShowAxisPointer();\n\n    this._updateAxisPointer(payload.value);\n  },\n\n  /**\n   * hideAxisPointer will be triggered by action.\n   */\n  hideAxisPointer: function (grid3dModel, ecModel, api, payload) {\n    this._doHideAxisPointer();\n  },\n  _initMouseHandler: function (grid3DModel) {\n    var cartesian = grid3DModel.coordinateSystem;\n    var viewGL = cartesian.viewGL; // TODO xAxis3D.axisPointer.show ?\n\n    if (grid3DModel.get('show') && grid3DModel.get('axisPointer.show')) {\n      viewGL.on('mousemove', this._updateAxisPointerOnMousePosition, this);\n    } else {\n      viewGL.off('mousemove', this._updateAxisPointerOnMousePosition);\n    }\n  },\n\n  /**\n   * Try find and show axisPointer on the intersect point\n   * of mouse ray with grid plane.\n   */\n  _updateAxisPointerOnMousePosition: function (e) {\n    // Ignore if mouse is on the element.\n    if (e.target) {\n      return;\n    }\n\n    var grid3DModel = this._model;\n    var cartesian = grid3DModel.coordinateSystem;\n    var viewGL = cartesian.viewGL;\n    var ray = viewGL.castRay(e.offsetX, e.offsetY, new graphicGL.Ray());\n    var nearestIntersectPoint;\n\n    for (var i = 0; i < this._faces.length; i++) {\n      var face = this._faces[i];\n\n      if (face.rootNode.invisible) {\n        continue;\n      } // Plane is not face the camera. flip it\n\n\n      if (face.plane.normal.dot(viewGL.camera.worldTransform.z) < 0) {\n        face.plane.normal.negate();\n      }\n\n      var point = ray.intersectPlane(face.plane);\n\n      if (!point) {\n        continue;\n      }\n\n      var axis0 = cartesian.getAxis(face.faceInfo[0]);\n      var axis1 = cartesian.getAxis(face.faceInfo[1]);\n      var idx0 = dimIndicesMap[face.faceInfo[0]];\n      var idx1 = dimIndicesMap[face.faceInfo[1]];\n\n      if (axis0.contain(point.array[idx0]) && axis1.contain(point.array[idx1])) {\n        nearestIntersectPoint = point;\n      }\n    }\n\n    if (nearestIntersectPoint) {\n      var data = cartesian.pointToData(nearestIntersectPoint.array, [], true);\n\n      this._updateAxisPointer(data);\n\n      this._doShowAxisPointer();\n    } else {\n      this._doHideAxisPointer();\n    }\n  },\n  _onCameraChange: function (grid3DModel, api) {\n    if (grid3DModel.get('show')) {\n      this._updateFaceVisibility();\n\n      this._updateAxisLinePosition();\n    }\n\n    var control = this._control;\n    api.dispatchAction({\n      type: 'grid3DChangeCamera',\n      alpha: control.getAlpha(),\n      beta: control.getBeta(),\n      distance: control.getDistance(),\n      center: control.getCenter(),\n      from: this.uid,\n      grid3DId: grid3DModel.id\n    });\n  },\n\n  /**\n   * Update visibility of each face when camera view changed, front face will be invisible.\n   * @private\n   */\n  _updateFaceVisibility: function () {\n    var camera = this._control.getCamera();\n\n    var viewSpacePos = new graphicGL.Vector3();\n    camera.update();\n\n    for (var idx = 0; idx < this._faces.length / 2; idx++) {\n      var depths = [];\n\n      for (var k = 0; k < 2; k++) {\n        var face = this._faces[idx * 2 + k];\n        face.rootNode.getWorldPosition(viewSpacePos);\n        viewSpacePos.transformMat4(camera.viewMatrix);\n        depths[k] = viewSpacePos.z;\n      } // Set the front face invisible\n\n\n      var frontIndex = depths[0] > depths[1] ? 0 : 1;\n      var frontFace = this._faces[idx * 2 + frontIndex];\n      var backFace = this._faces[idx * 2 + 1 - frontIndex]; // Update rotation.\n\n      frontFace.rootNode.invisible = true;\n      backFace.rootNode.invisible = false;\n    }\n  },\n\n  /**\n   * Update axis line position when camera view changed.\n   * @private\n   */\n  _updateAxisLinePosition: function () {\n    // Put xAxis, yAxis on x, y visible plane.\n    // Put zAxis on the left.\n    // TODO\n    var cartesian = this._model.coordinateSystem;\n    var xAxis = cartesian.getAxis('x');\n    var yAxis = cartesian.getAxis('y');\n    var zAxis = cartesian.getAxis('z');\n    var top = zAxis.getExtentMax();\n    var bottom = zAxis.getExtentMin();\n    var left = xAxis.getExtentMin();\n    var right = xAxis.getExtentMax();\n    var near = yAxis.getExtentMax();\n    var far = yAxis.getExtentMin();\n    var xAxisNode = this._axes[0].rootNode;\n    var yAxisNode = this._axes[1].rootNode;\n    var zAxisNode = this._axes[2].rootNode;\n    var faces = this._faces; // Notice: in cartesian up axis is z, but in webgl up axis is y.\n\n    var xAxisZOffset = faces[4].rootNode.invisible ? far : near;\n    var xAxisYOffset = faces[2].rootNode.invisible ? top : bottom;\n    var yAxisXOffset = faces[0].rootNode.invisible ? left : right;\n    var yAxisYOffset = faces[2].rootNode.invisible ? top : bottom;\n    var zAxisXOffset = faces[0].rootNode.invisible ? right : left;\n    var zAxisZOffset = faces[4].rootNode.invisible ? far : near;\n    xAxisNode.rotation.identity();\n    yAxisNode.rotation.identity();\n    zAxisNode.rotation.identity();\n\n    if (faces[4].rootNode.invisible) {\n      this._axes[0].flipped = true;\n      xAxisNode.rotation.rotateX(Math.PI);\n    }\n\n    if (faces[0].rootNode.invisible) {\n      this._axes[1].flipped = true;\n      yAxisNode.rotation.rotateZ(Math.PI);\n    }\n\n    if (faces[4].rootNode.invisible) {\n      this._axes[2].flipped = true;\n      zAxisNode.rotation.rotateY(Math.PI);\n    }\n\n    xAxisNode.position.set(0, xAxisYOffset, xAxisZOffset);\n    yAxisNode.position.set(yAxisXOffset, yAxisYOffset, 0); // Actually z\n\n    zAxisNode.position.set(zAxisXOffset, 0, zAxisZOffset); // Actually y\n\n    xAxisNode.update();\n    yAxisNode.update();\n    zAxisNode.update();\n\n    this._updateAxisLabelAlign();\n  },\n\n  /**\n   * Update label align on axis when axisLine position changed.\n   * @private\n   */\n  _updateAxisLabelAlign: function () {\n    // var cartesian = this._model.coordinateSystem;\n    var camera = this._control.getCamera();\n\n    var coords = [new graphicGL.Vector4(), new graphicGL.Vector4()];\n    var center = new graphicGL.Vector4();\n    this.groupGL.getWorldPosition(center);\n    center.w = 1.0;\n    center.transformMat4(camera.viewMatrix).transformMat4(camera.projectionMatrix);\n    center.x /= center.w;\n    center.y /= center.w;\n\n    this._axes.forEach(function (axisInfo) {\n      var lineCoords = axisInfo.axisLineCoords;\n      var labelGeo = axisInfo.labelsMesh.geometry;\n\n      for (var i = 0; i < coords.length; i++) {\n        coords[i].setArray(lineCoords[i]);\n        coords[i].w = 1.0;\n        coords[i].transformMat4(axisInfo.rootNode.worldTransform).transformMat4(camera.viewMatrix).transformMat4(camera.projectionMatrix);\n        coords[i].x /= coords[i].w;\n        coords[i].y /= coords[i].w;\n      }\n\n      var dx = coords[1].x - coords[0].x;\n      var dy = coords[1].y - coords[0].y;\n      var cx = (coords[1].x + coords[0].x) / 2;\n      var cy = (coords[1].y + coords[0].y) / 2;\n      var textAlign;\n      var verticalAlign;\n\n      if (Math.abs(dy / dx) < 0.5) {\n        textAlign = 'center';\n        verticalAlign = cy > center.y ? 'bottom' : 'top';\n      } else {\n        verticalAlign = 'middle';\n        textAlign = cx > center.x ? 'left' : 'right';\n      } // axis labels\n\n\n      axisInfo.setSpriteAlign(textAlign, verticalAlign, this._api);\n    }, this);\n  },\n  _doShowAxisPointer: function () {\n    if (!this._axisPointerLineMesh.invisible) {\n      return;\n    }\n\n    this._axisPointerLineMesh.invisible = false;\n    this._axisPointerLabelsMesh.invisible = false;\n\n    this._api.getZr().refresh();\n  },\n  _doHideAxisPointer: function () {\n    if (this._axisPointerLineMesh.invisible) {\n      return;\n    }\n\n    this._axisPointerLineMesh.invisible = true;\n    this._axisPointerLabelsMesh.invisible = true;\n\n    this._api.getZr().refresh();\n  },\n\n  /**\n   * @private updateAxisPointer.\n   */\n  _updateAxisPointer: function (data) {\n    var cartesian = this._model.coordinateSystem;\n    var point = cartesian.dataToPoint(data);\n    var axisPointerLineMesh = this._axisPointerLineMesh;\n    var linesGeo = axisPointerLineMesh.geometry;\n\n    var axisPointerParentModel = this._model.getModel('axisPointer');\n\n    var dpr = this._api.getDevicePixelRatio();\n\n    linesGeo.convertToDynamicArray(true);\n\n    function ifShowAxisPointer(axis) {\n      return retrieve.firstNotNull(axis.model.get('axisPointer.show'), axisPointerParentModel.get('show'));\n    }\n\n    function getAxisColorAndLineWidth(axis) {\n      var axisPointerModel = axis.model.getModel('axisPointer', axisPointerParentModel);\n      var lineStyleModel = axisPointerModel.getModel('lineStyle');\n      var color = graphicGL.parseColor(lineStyleModel.get('color'));\n      var lineWidth = firstNotNull(lineStyleModel.get('width'), 1);\n      var opacity = firstNotNull(lineStyleModel.get('opacity'), 1);\n      color[3] *= opacity;\n      return {\n        color: color,\n        lineWidth: lineWidth\n      };\n    }\n\n    for (var k = 0; k < this._faces.length; k++) {\n      var face = this._faces[k];\n\n      if (face.rootNode.invisible) {\n        continue;\n      }\n\n      var faceInfo = face.faceInfo;\n      var otherCoord = faceInfo[3] < 0 ? cartesian.getAxis(faceInfo[2]).getExtentMin() : cartesian.getAxis(faceInfo[2]).getExtentMax();\n      var otherDimIdx = dimIndicesMap[faceInfo[2]]; // Line on face.\n\n      for (var i = 0; i < 2; i++) {\n        var dim = faceInfo[i];\n        var faceOtherDim = faceInfo[1 - i];\n        var axis = cartesian.getAxis(dim);\n        var faceOtherAxis = cartesian.getAxis(faceOtherDim);\n\n        if (!ifShowAxisPointer(axis)) {\n          continue;\n        }\n\n        var p0 = [0, 0, 0];\n        var p1 = [0, 0, 0];\n        var dimIdx = dimIndicesMap[dim];\n        var faceOtherDimIdx = dimIndicesMap[faceOtherDim];\n        p0[dimIdx] = p1[dimIdx] = point[dimIdx];\n        p0[otherDimIdx] = p1[otherDimIdx] = otherCoord;\n        p0[faceOtherDimIdx] = faceOtherAxis.getExtentMin();\n        p1[faceOtherDimIdx] = faceOtherAxis.getExtentMax();\n        var colorAndLineWidth = getAxisColorAndLineWidth(axis);\n        linesGeo.addLine(p0, p1, colorAndLineWidth.color, colorAndLineWidth.lineWidth * dpr);\n      } // Project line.\n\n\n      if (ifShowAxisPointer(cartesian.getAxis(faceInfo[2]))) {\n        var p0 = point.slice();\n        var p1 = point.slice();\n        p1[otherDimIdx] = otherCoord;\n        var colorAndLineWidth = getAxisColorAndLineWidth(cartesian.getAxis(faceInfo[2]));\n        linesGeo.addLine(p0, p1, colorAndLineWidth.color, colorAndLineWidth.lineWidth * dpr);\n      }\n    }\n\n    linesGeo.convertToTypedArray();\n\n    this._updateAxisPointerLabelsMesh(data);\n\n    this._api.getZr().refresh();\n  },\n  _updateAxisPointerLabelsMesh: function (data) {\n    var grid3dModel = this._model;\n    var axisPointerLabelsMesh = this._axisPointerLabelsMesh;\n    var axisPointerLabelsSurface = this._axisPointerLabelsSurface;\n    var cartesian = grid3dModel.coordinateSystem;\n    var axisPointerParentModel = grid3dModel.getModel('axisPointer');\n    axisPointerLabelsMesh.geometry.convertToDynamicArray(true);\n    axisPointerLabelsSurface.clear();\n    var otherDim = {\n      x: 'y',\n      y: 'x',\n      z: 'y'\n    };\n\n    this._axes.forEach(function (axisInfo, idx) {\n      var axis = cartesian.getAxis(axisInfo.dim);\n      var axisModel = axis.model;\n      var axisPointerModel = axisModel.getModel('axisPointer', axisPointerParentModel);\n      var labelModel = axisPointerModel.getModel('label');\n      var lineColor = axisPointerModel.get('lineStyle.color');\n\n      if (!labelModel.get('show') || !axisPointerModel.get('show')) {\n        return;\n      }\n\n      var val = data[idx];\n      var formatter = labelModel.get('formatter');\n      var text = axis.scale.getLabel({\n        value: val\n      });\n\n      if (formatter != null) {\n        text = formatter(text, data);\n      } else {\n        if (axis.scale.type === 'interval' || axis.scale.type === 'log') {\n          var precision = echarts.number.getPrecisionSafe(axis.scale.getTicks()[0]);\n          text = val.toFixed(precision + 2);\n        }\n      }\n\n      var labelColor = labelModel.get('color');\n      var textEl = new echarts.graphic.Text({\n        style: createTextStyle(labelModel, {\n          text: text,\n          fill: labelColor || lineColor,\n          align: 'left',\n          verticalAlign: 'top'\n        })\n      });\n      var coords = axisPointerLabelsSurface.add(textEl);\n      var rect = textEl.getBoundingRect();\n\n      var dpr = this._api.getDevicePixelRatio();\n\n      var pos = axisInfo.rootNode.position.toArray();\n      var otherIdx = dimIndicesMap[otherDim[axisInfo.dim]];\n      pos[otherIdx] += (axisInfo.flipped ? -1 : 1) * labelModel.get('margin');\n      pos[dimIndicesMap[axisInfo.dim]] = axis.dataToCoord(data[idx]);\n      axisPointerLabelsMesh.geometry.addSprite(pos, [rect.width * dpr, rect.height * dpr], coords, axisInfo.textAlign, axisInfo.textVerticalAlign);\n    }, this);\n\n    axisPointerLabelsSurface.getZr().refreshImmediately();\n    axisPointerLabelsMesh.material.set('uvScale', axisPointerLabelsSurface.getCoordsScale());\n    axisPointerLabelsMesh.geometry.convertToTypedArray();\n  },\n  dispose: function () {\n    this.groupGL.removeAll();\n\n    this._control.dispose();\n  }\n});","import * as echarts from 'echarts/lib/echarts';\nimport Cartesian from 'echarts/lib/coord/cartesian/Cartesian';\n\nfunction Cartesian3D(name) {\n  Cartesian.call(this, name);\n  this.type = 'cartesian3D';\n  this.dimensions = ['x', 'y', 'z'];\n  this.size = [0, 0, 0];\n}\n\nCartesian3D.prototype = {\n  constructor: Cartesian3D,\n  model: null,\n  containPoint: function (point) {\n    return this.getAxis('x').contain(point[0]) && this.getAxis('y').contain(point[2]) && this.getAxis('z').contain(point[1]);\n  },\n  containData: function (data) {\n    return this.getAxis('x').containData(data[0]) && this.getAxis('y').containData(data[1]) && this.getAxis('z').containData(data[2]);\n  },\n  dataToPoint: function (data, out, clamp) {\n    out = out || [];\n    out[0] = this.getAxis('x').dataToCoord(data[0], clamp);\n    out[2] = this.getAxis('y').dataToCoord(data[1], clamp);\n    out[1] = this.getAxis('z').dataToCoord(data[2], clamp);\n    return out;\n  },\n  pointToData: function (point, out, clamp) {\n    out = out || [];\n    out[0] = this.getAxis('x').coordToData(point[0], clamp);\n    out[1] = this.getAxis('y').coordToData(point[2], clamp);\n    out[2] = this.getAxis('z').coordToData(point[1], clamp);\n    return out;\n  }\n};\necharts.util.inherits(Cartesian3D, Cartesian);\nexport default Cartesian3D;","import * as echarts from 'echarts/lib/echarts';\n\nfunction Axis3D(dim, scale, extent) {\n  echarts.Axis.call(this, dim, scale, extent);\n}\n\nAxis3D.prototype = {\n  constructor: Axis3D,\n  getExtentMin: function () {\n    var extent = this._extent;\n    return Math.min(extent[0], extent[1]);\n  },\n  getExtentMax: function () {\n    var extent = this._extent;\n    return Math.max(extent[0], extent[1]);\n  },\n  calculateCategoryInterval: function () {\n    // TODO consider label length\n    return Math.floor(this.scale.count() / 8);\n  }\n};\necharts.util.inherits(Axis3D, echarts.Axis);\nexport default Axis3D;","import Texture2D from '../Texture2D';\nimport glenum from '../core/glenum';\nimport util from '../core/util';\n\nvar TexturePool = function () {\n\n    this._pool = {};\n\n    this._allocatedTextures = [];\n};\n\nTexturePool.prototype = {\n\n    constructor: TexturePool,\n\n    get: function (parameters) {\n        var key = generateKey(parameters);\n        if (!this._pool.hasOwnProperty(key)) {\n            this._pool[key] = [];\n        }\n        var list = this._pool[key];\n        if (!list.length) {\n            var texture = new Texture2D(parameters);\n            this._allocatedTextures.push(texture);\n            return texture;\n        }\n        return list.pop();\n    },\n\n    put: function (texture) {\n        var key = generateKey(texture);\n        if (!this._pool.hasOwnProperty(key)) {\n            this._pool[key] = [];\n        }\n        var list = this._pool[key];\n        list.push(texture);\n    },\n\n    clear: function (renderer) {\n        for (var i = 0; i < this._allocatedTextures.length; i++) {\n            this._allocatedTextures[i].dispose(renderer);\n        }\n        this._pool = {};\n        this._allocatedTextures = [];\n    }\n};\n\nvar defaultParams = {\n    width: 512,\n    height: 512,\n    type: glenum.UNSIGNED_BYTE,\n    format: glenum.RGBA,\n    wrapS: glenum.CLAMP_TO_EDGE,\n    wrapT: glenum.CLAMP_TO_EDGE,\n    minFilter: glenum.LINEAR_MIPMAP_LINEAR,\n    magFilter: glenum.LINEAR,\n    useMipmap: true,\n    anisotropic: 1,\n    flipY: true,\n    unpackAlignment: 4,\n    premultiplyAlpha: false\n};\n\nvar defaultParamPropList = Object.keys(defaultParams);\n\nfunction generateKey(parameters) {\n    util.defaultsWithPropList(parameters, defaultParams, defaultParamPropList);\n    fallBack(parameters);\n\n    var key = '';\n    for (var i = 0; i < defaultParamPropList.length; i++) {\n        var name = defaultParamPropList[i];\n        var chunk = parameters[name].toString();\n        key += chunk;\n    }\n    return key;\n}\n\nfunction fallBack(target) {\n\n    var IPOT = isPowerOfTwo(target.width, target.height);\n\n    if (target.format === glenum.DEPTH_COMPONENT) {\n        target.useMipmap = false;\n    }\n\n    if (!IPOT || !target.useMipmap) {\n        if (target.minFilter == glenum.NEAREST_MIPMAP_NEAREST ||\n            target.minFilter == glenum.NEAREST_MIPMAP_LINEAR) {\n            target.minFilter = glenum.NEAREST;\n        } else if (\n            target.minFilter == glenum.LINEAR_MIPMAP_LINEAR ||\n            target.minFilter == glenum.LINEAR_MIPMAP_NEAREST\n        ) {\n            target.minFilter = glenum.LINEAR;\n        }\n    }\n    if (!IPOT) {\n        target.wrapS = glenum.CLAMP_TO_EDGE;\n        target.wrapT = glenum.CLAMP_TO_EDGE;\n    }\n}\n\nfunction isPowerOfTwo(width, height) {\n    return (width & (width-1)) === 0 &&\n            (height & (height-1)) === 0;\n}\n\nexport default TexturePool;\n","import Base from '../core/Base';\nimport glenum from '../core/glenum';\nimport Vector3 from '../math/Vector3';\nimport BoundingBox from '../math/BoundingBox';\nimport Frustum from '../math/Frustum';\nimport Matrix4 from '../math/Matrix4';\nimport Renderer from '../Renderer';\nimport Shader from '../Shader';\nimport Material from '../Material';\nimport FrameBuffer from '../FrameBuffer';\nimport Texture from '../Texture';\nimport Texture2D from '../Texture2D';\nimport TextureCube from '../TextureCube';\nimport PerspectiveCamera from '../camera/Perspective';\nimport OrthoCamera from '../camera/Orthographic';\n\nimport Pass from '../compositor/Pass';\nimport TexturePool from '../compositor/TexturePool';\n\nimport mat4 from '../glmatrix/mat4';\n\nvar targets = ['px', 'nx', 'py', 'ny', 'pz', 'nz'];\n\nimport shadowmapEssl from '../shader/source/shadowmap.glsl.js';\nShader['import'](shadowmapEssl);\n\nfunction getDepthMaterialUniform(renderable, depthMaterial, symbol) {\n    if (symbol === 'alphaMap') {\n        return renderable.material.get('diffuseMap');\n    }\n    else if (symbol === 'alphaCutoff') {\n        if (renderable.material.isDefined('fragment', 'ALPHA_TEST')\n            && renderable.material.get('diffuseMap')\n        ) {\n            var alphaCutoff = renderable.material.get('alphaCutoff');\n            return alphaCutoff || 0;\n        }\n        return 0;\n    }\n    else if (symbol === 'uvRepeat') {\n        return renderable.material.get('uvRepeat');\n    }\n    else if (symbol === 'uvOffset') {\n        return renderable.material.get('uvOffset');\n    }\n    else {\n        return depthMaterial.get(symbol);\n    }\n}\n\nfunction isDepthMaterialChanged(renderable, prevRenderable) {\n    var matA = renderable.material;\n    var matB = prevRenderable.material;\n    return matA.get('diffuseMap') !== matB.get('diffuseMap')\n        || (matA.get('alphaCutoff') || 0) !== (matB.get('alphaCutoff') || 0);\n}\n\n/**\n * Pass rendering shadow map.\n *\n * @constructor clay.prePass.ShadowMap\n * @extends clay.core.Base\n * @example\n *     var shadowMapPass = new clay.prePass.ShadowMap({\n *         softShadow: clay.prePass.ShadowMap.VSM\n *     });\n *     ...\n *     animation.on('frame', function (frameTime) {\n *         shadowMapPass.render(renderer, scene, camera);\n *         renderer.render(scene, camera);\n *     });\n */\nvar ShadowMapPass = Base.extend(function () {\n    return /** @lends clay.prePass.ShadowMap# */ {\n        /**\n         * Soft shadow technique.\n         * Can be {@link clay.prePass.ShadowMap.PCF} or {@link clay.prePass.ShadowMap.VSM}\n         * @type {number}\n         */\n        softShadow: ShadowMapPass.PCF,\n\n        /**\n         * Soft shadow blur size\n         * @type {number}\n         */\n        shadowBlur: 1.0,\n\n        lightFrustumBias: 'auto',\n\n        kernelPCF: new Float32Array([\n            1, 0,\n            1, 1,\n            -1, 1,\n            0, 1,\n            -1, 0,\n            -1, -1,\n            1, -1,\n            0, -1\n        ]),\n\n        precision: 'highp',\n\n        _lastRenderNotCastShadow: false,\n\n        _frameBuffer: new FrameBuffer(),\n\n        _textures: {},\n        _shadowMapNumber: {\n            'POINT_LIGHT': 0,\n            'DIRECTIONAL_LIGHT': 0,\n            'SPOT_LIGHT': 0\n        },\n\n        _depthMaterials: {},\n        _distanceMaterials: {},\n\n        _receivers: [],\n        _lightsCastShadow: [],\n\n        _lightCameras: {},\n        _lightMaterials: {},\n\n        _texturePool: new TexturePool()\n    };\n}, function () {\n    // Gaussian filter pass for VSM\n    this._gaussianPassH = new Pass({\n        fragment: Shader.source('clay.compositor.gaussian_blur')\n    });\n    this._gaussianPassV = new Pass({\n        fragment: Shader.source('clay.compositor.gaussian_blur')\n    });\n    this._gaussianPassH.setUniform('blurSize', this.shadowBlur);\n    this._gaussianPassH.setUniform('blurDir', 0.0);\n    this._gaussianPassV.setUniform('blurSize', this.shadowBlur);\n    this._gaussianPassV.setUniform('blurDir', 1.0);\n\n    this._outputDepthPass = new Pass({\n        fragment: Shader.source('clay.sm.debug_depth')\n    });\n}, {\n    /**\n     * Render scene to shadow textures\n     * @param  {clay.Renderer} renderer\n     * @param  {clay.Scene} scene\n     * @param  {clay.Camera} sceneCamera\n     * @param  {boolean} [notUpdateScene=false]\n     * @memberOf clay.prePass.ShadowMap.prototype\n     */\n    render: function (renderer, scene, sceneCamera, notUpdateScene) {\n        if (!sceneCamera) {\n            sceneCamera = scene.getMainCamera();\n        }\n        this.trigger('beforerender', this, renderer, scene, sceneCamera);\n        this._renderShadowPass(renderer, scene, sceneCamera, notUpdateScene);\n        this.trigger('afterrender', this, renderer, scene, sceneCamera);\n    },\n\n    /**\n     * Debug rendering of shadow textures\n     * @param  {clay.Renderer} renderer\n     * @param  {number} size\n     * @memberOf clay.prePass.ShadowMap.prototype\n     */\n    renderDebug: function (renderer, size) {\n        renderer.saveClear();\n        var viewport = renderer.viewport;\n        var x = 0, y = 0;\n        var width = size || viewport.width / 4;\n        var height = width;\n        if (this.softShadow === ShadowMapPass.VSM) {\n            this._outputDepthPass.material.define('fragment', 'USE_VSM');\n        }\n        else {\n            this._outputDepthPass.material.undefine('fragment', 'USE_VSM');\n        }\n        for (var name in this._textures) {\n            var texture = this._textures[name];\n            renderer.setViewport(x, y, width * texture.width / texture.height, height);\n            this._outputDepthPass.setUniform('depthMap', texture);\n            this._outputDepthPass.render(renderer);\n            x += width * texture.width / texture.height;\n        }\n        renderer.setViewport(viewport);\n        renderer.restoreClear();\n    },\n\n    _updateReceivers: function (renderer, mesh) {\n        if (mesh.receiveShadow) {\n            this._receivers.push(mesh);\n            mesh.material.set('shadowEnabled', 1);\n\n            mesh.material.set('pcfKernel', this.kernelPCF);\n        }\n        else {\n            mesh.material.set('shadowEnabled', 0);\n        }\n\n        if (this.softShadow === ShadowMapPass.VSM) {\n            mesh.material.define('fragment', 'USE_VSM');\n            mesh.material.undefine('fragment', 'PCF_KERNEL_SIZE');\n        }\n        else {\n            mesh.material.undefine('fragment', 'USE_VSM');\n            var kernelPCF = this.kernelPCF;\n            if (kernelPCF && kernelPCF.length) {\n                mesh.material.define('fragment', 'PCF_KERNEL_SIZE', kernelPCF.length / 2);\n            }\n            else {\n                mesh.material.undefine('fragment', 'PCF_KERNEL_SIZE');\n            }\n        }\n    },\n\n    _update: function (renderer, scene) {\n        var self = this;\n        scene.traverse(function (renderable) {\n            if (renderable.isRenderable()) {\n                self._updateReceivers(renderer, renderable);\n            }\n        });\n\n        for (var i = 0; i < scene.lights.length; i++) {\n            var light = scene.lights[i];\n            if (light.castShadow && !light.invisible) {\n                this._lightsCastShadow.push(light);\n            }\n        }\n    },\n\n    _renderShadowPass: function (renderer, scene, sceneCamera, notUpdateScene) {\n        // reset\n        for (var name in this._shadowMapNumber) {\n            this._shadowMapNumber[name] = 0;\n        }\n        this._lightsCastShadow.length = 0;\n        this._receivers.length = 0;\n\n        var _gl = renderer.gl;\n\n        if (!notUpdateScene) {\n            scene.update();\n        }\n        if (sceneCamera) {\n            sceneCamera.update();\n        }\n\n        scene.updateLights();\n        this._update(renderer, scene);\n\n        // Needs to update the receivers again if shadows come from 1 to 0.\n        if (!this._lightsCastShadow.length && this._lastRenderNotCastShadow) {\n            return;\n        }\n\n        this._lastRenderNotCastShadow = this._lightsCastShadow === 0;\n\n        _gl.enable(_gl.DEPTH_TEST);\n        _gl.depthMask(true);\n        _gl.disable(_gl.BLEND);\n\n        // Clear with high-z, so the part not rendered will not been shadowed\n        // TODO\n        // TODO restore\n        _gl.clearColor(1.0, 1.0, 1.0, 1.0);\n\n        // Shadow uniforms\n        var spotLightShadowMaps = [];\n        var spotLightMatrices = [];\n        var directionalLightShadowMaps = [];\n        var directionalLightMatrices = [];\n        var shadowCascadeClips = [];\n        var pointLightShadowMaps = [];\n\n        var dirLightHasCascade;\n        // Create textures for shadow map\n        for (var i = 0; i < this._lightsCastShadow.length; i++) {\n            var light = this._lightsCastShadow[i];\n            if (light.type === 'DIRECTIONAL_LIGHT') {\n\n                if (dirLightHasCascade) {\n                    console.warn('Only one direectional light supported with shadow cascade');\n                    continue;\n                }\n                if (light.shadowCascade > 4) {\n                    console.warn('Support at most 4 cascade');\n                    continue;\n                }\n                if (light.shadowCascade > 1) {\n                    dirLightHasCascade = light;\n                }\n\n                this.renderDirectionalLightShadow(\n                    renderer,\n                    scene,\n                    sceneCamera,\n                    light,\n                    shadowCascadeClips,\n                    directionalLightMatrices,\n                    directionalLightShadowMaps\n                );\n            }\n            else if (light.type === 'SPOT_LIGHT') {\n                this.renderSpotLightShadow(\n                    renderer,\n                    scene,\n                    light,\n                    spotLightMatrices,\n                    spotLightShadowMaps\n                );\n            }\n            else if (light.type === 'POINT_LIGHT') {\n                this.renderPointLightShadow(\n                    renderer,\n                    scene,\n                    light,\n                    pointLightShadowMaps\n                );\n            }\n\n            this._shadowMapNumber[light.type]++;\n        }\n\n        for (var lightType in this._shadowMapNumber) {\n            var number = this._shadowMapNumber[lightType];\n            var key = lightType + '_SHADOWMAP_COUNT';\n            for (var i = 0; i < this._receivers.length; i++) {\n                var mesh = this._receivers[i];\n                var material = mesh.material;\n                if (material.fragmentDefines[key] !== number) {\n                    if (number > 0) {\n                        material.define('fragment', key, number);\n                    }\n                    else if (material.isDefined('fragment', key)) {\n                        material.undefine('fragment', key);\n                    }\n                }\n            }\n        }\n        for (var i = 0; i < this._receivers.length; i++) {\n            var mesh = this._receivers[i];\n            var material = mesh.material;\n            if (dirLightHasCascade) {\n                material.define('fragment', 'SHADOW_CASCADE', dirLightHasCascade.shadowCascade);\n            }\n            else {\n                material.undefine('fragment', 'SHADOW_CASCADE');\n            }\n        }\n\n        var shadowUniforms = scene.shadowUniforms;\n\n        function getSize(texture) {\n            return texture.height;\n        }\n        if (directionalLightShadowMaps.length > 0) {\n            var directionalLightShadowMapSizes = directionalLightShadowMaps.map(getSize);\n            shadowUniforms.directionalLightShadowMaps = { value: directionalLightShadowMaps, type: 'tv' };\n            shadowUniforms.directionalLightMatrices = { value: directionalLightMatrices, type: 'm4v' };\n            shadowUniforms.directionalLightShadowMapSizes = { value: directionalLightShadowMapSizes, type: '1fv' };\n            if (dirLightHasCascade) {\n                var shadowCascadeClipsNear = shadowCascadeClips.slice();\n                var shadowCascadeClipsFar = shadowCascadeClips.slice();\n                shadowCascadeClipsNear.pop();\n                shadowCascadeClipsFar.shift();\n\n                // Iterate from far to near\n                shadowCascadeClipsNear.reverse();\n                shadowCascadeClipsFar.reverse();\n                // directionalLightShadowMaps.reverse();\n                directionalLightMatrices.reverse();\n                shadowUniforms.shadowCascadeClipsNear = { value: shadowCascadeClipsNear, type: '1fv' };\n                shadowUniforms.shadowCascadeClipsFar = { value: shadowCascadeClipsFar, type: '1fv' };\n            }\n        }\n\n        if (spotLightShadowMaps.length > 0) {\n            var spotLightShadowMapSizes = spotLightShadowMaps.map(getSize);\n            var shadowUniforms = scene.shadowUniforms;\n            shadowUniforms.spotLightShadowMaps = { value: spotLightShadowMaps, type: 'tv' };\n            shadowUniforms.spotLightMatrices = { value: spotLightMatrices, type: 'm4v' };\n            shadowUniforms.spotLightShadowMapSizes = { value: spotLightShadowMapSizes, type: '1fv' };\n        }\n\n        if (pointLightShadowMaps.length > 0) {\n            shadowUniforms.pointLightShadowMaps = { value: pointLightShadowMaps, type: 'tv' };\n        }\n    },\n\n    renderDirectionalLightShadow: (function () {\n\n        var splitFrustum = new Frustum();\n        var splitProjMatrix = new Matrix4();\n        var cropBBox = new BoundingBox();\n        var cropMatrix = new Matrix4();\n        var lightViewMatrix = new Matrix4();\n        var lightViewProjMatrix = new Matrix4();\n        var lightProjMatrix = new Matrix4();\n\n        return function (renderer, scene, sceneCamera, light, shadowCascadeClips, directionalLightMatrices, directionalLightShadowMaps) {\n\n            var defaultShadowMaterial = this._getDepthMaterial(light);\n            var passConfig = {\n                getMaterial: function (renderable) {\n                    return renderable.shadowDepthMaterial || defaultShadowMaterial;\n                },\n                isMaterialChanged: isDepthMaterialChanged,\n                getUniform: getDepthMaterialUniform,\n                ifRender: function (renderable) {\n                    return renderable.castShadow;\n                },\n                sortCompare: Renderer.opaqueSortCompare\n            };\n\n            // First frame\n            if (!scene.viewBoundingBoxLastFrame.isFinite()) {\n                var boundingBox = scene.getBoundingBox();\n                scene.viewBoundingBoxLastFrame\n                    .copy(boundingBox).applyTransform(sceneCamera.viewMatrix);\n            }\n            // Considering moving speed since the bounding box is from last frame\n            // TODO: add a bias\n            var clippedFar = Math.min(-scene.viewBoundingBoxLastFrame.min.z, sceneCamera.far);\n            var clippedNear = Math.max(-scene.viewBoundingBoxLastFrame.max.z, sceneCamera.near);\n\n            var lightCamera = this._getDirectionalLightCamera(light, scene, sceneCamera);\n\n            var lvpMat4Arr = lightViewProjMatrix.array;\n            lightProjMatrix.copy(lightCamera.projectionMatrix);\n            mat4.invert(lightViewMatrix.array, lightCamera.worldTransform.array);\n            mat4.multiply(lightViewMatrix.array, lightViewMatrix.array, sceneCamera.worldTransform.array);\n            mat4.multiply(lvpMat4Arr, lightProjMatrix.array, lightViewMatrix.array);\n\n            var clipPlanes = [];\n            var isPerspective = sceneCamera instanceof PerspectiveCamera;\n\n            var scaleZ = (sceneCamera.near + sceneCamera.far) / (sceneCamera.near - sceneCamera.far);\n            var offsetZ = 2 * sceneCamera.near * sceneCamera.far / (sceneCamera.near - sceneCamera.far);\n            for (var i = 0; i <= light.shadowCascade; i++) {\n                var clog = clippedNear * Math.pow(clippedFar / clippedNear, i / light.shadowCascade);\n                var cuni = clippedNear + (clippedFar - clippedNear) * i / light.shadowCascade;\n                var c = clog * light.cascadeSplitLogFactor + cuni * (1 - light.cascadeSplitLogFactor);\n                clipPlanes.push(c);\n                shadowCascadeClips.push(-(-c * scaleZ + offsetZ) / -c);\n            }\n            var texture = this._getTexture(light, light.shadowCascade);\n            directionalLightShadowMaps.push(texture);\n\n            var viewport = renderer.viewport;\n\n            var _gl = renderer.gl;\n            this._frameBuffer.attach(texture);\n            this._frameBuffer.bind(renderer);\n            _gl.clear(_gl.COLOR_BUFFER_BIT | _gl.DEPTH_BUFFER_BIT);\n\n            for (var i = 0; i < light.shadowCascade; i++) {\n                // Get the splitted frustum\n                var nearPlane = clipPlanes[i];\n                var farPlane = clipPlanes[i + 1];\n                if (isPerspective) {\n                    mat4.perspective(splitProjMatrix.array, sceneCamera.fov / 180 * Math.PI, sceneCamera.aspect, nearPlane, farPlane);\n                }\n                else {\n                    mat4.ortho(\n                        splitProjMatrix.array,\n                        sceneCamera.left, sceneCamera.right, sceneCamera.bottom, sceneCamera.top,\n                        nearPlane, farPlane\n                    );\n                }\n                splitFrustum.setFromProjection(splitProjMatrix);\n                splitFrustum.getTransformedBoundingBox(cropBBox, lightViewMatrix);\n                cropBBox.applyProjection(lightProjMatrix);\n                var _min = cropBBox.min.array;\n                var _max = cropBBox.max.array;\n                _min[0] = Math.max(_min[0], -1);\n                _min[1] = Math.max(_min[1], -1);\n                _max[0] = Math.min(_max[0], 1);\n                _max[1] = Math.min(_max[1], 1);\n                cropMatrix.ortho(_min[0], _max[0], _min[1], _max[1], 1, -1);\n                lightCamera.projectionMatrix.multiplyLeft(cropMatrix);\n\n                var shadowSize = light.shadowResolution || 512;\n\n                // Reversed, left to right => far to near\n                renderer.setViewport((light.shadowCascade - i - 1) * shadowSize, 0, shadowSize, shadowSize, 1);\n\n                var renderList = scene.updateRenderList(lightCamera);\n                renderer.renderPass(renderList.opaque, lightCamera, passConfig);\n\n                // Filter for VSM\n                if (this.softShadow === ShadowMapPass.VSM) {\n                    this._gaussianFilter(renderer, texture, texture.width);\n                }\n\n                var matrix = new Matrix4();\n                matrix.copy(lightCamera.viewMatrix)\n                    .multiplyLeft(lightCamera.projectionMatrix);\n\n                directionalLightMatrices.push(matrix.array);\n\n                lightCamera.projectionMatrix.copy(lightProjMatrix);\n            }\n\n            this._frameBuffer.unbind(renderer);\n\n            renderer.setViewport(viewport);\n        };\n    })(),\n\n    renderSpotLightShadow: function (renderer, scene, light, spotLightMatrices, spotLightShadowMaps) {\n\n        var texture = this._getTexture(light);\n        var lightCamera = this._getSpotLightCamera(light);\n        var _gl = renderer.gl;\n\n        this._frameBuffer.attach(texture);\n        this._frameBuffer.bind(renderer);\n\n        _gl.clear(_gl.COLOR_BUFFER_BIT | _gl.DEPTH_BUFFER_BIT);\n\n        var defaultShadowMaterial = this._getDepthMaterial(light);\n        var passConfig = {\n            getMaterial: function (renderable) {\n                return renderable.shadowDepthMaterial || defaultShadowMaterial;\n            },\n            isMaterialChanged: isDepthMaterialChanged,\n            getUniform: getDepthMaterialUniform,\n            ifRender: function (renderable) {\n                return renderable.castShadow;\n            },\n            sortCompare: Renderer.opaqueSortCompare\n        };\n\n        var renderList = scene.updateRenderList(lightCamera);\n        renderer.renderPass(renderList.opaque, lightCamera, passConfig);\n\n        this._frameBuffer.unbind(renderer);\n\n        // Filter for VSM\n        if (this.softShadow === ShadowMapPass.VSM) {\n            this._gaussianFilter(renderer, texture, texture.width);\n        }\n\n        var matrix = new Matrix4();\n        matrix.copy(lightCamera.worldTransform)\n            .invert()\n            .multiplyLeft(lightCamera.projectionMatrix);\n\n        spotLightShadowMaps.push(texture);\n        spotLightMatrices.push(matrix.array);\n    },\n\n    renderPointLightShadow: function (renderer, scene, light, pointLightShadowMaps) {\n        var texture = this._getTexture(light);\n        var _gl = renderer.gl;\n        pointLightShadowMaps.push(texture);\n\n        var defaultShadowMaterial = this._getDepthMaterial(light);\n        var passConfig = {\n            getMaterial: function (renderable) {\n                return renderable.shadowDepthMaterial || defaultShadowMaterial;\n            },\n            getUniform: getDepthMaterialUniform,\n            sortCompare: Renderer.opaqueSortCompare\n        };\n\n        var renderListEachSide = {\n            px: [], py: [], pz: [], nx: [], ny: [], nz: []\n        };\n        var bbox = new BoundingBox();\n        var lightWorldPosition = light.getWorldPosition().array;\n        var lightBBox = new BoundingBox();\n        var range = light.range;\n        lightBBox.min.setArray(lightWorldPosition);\n        lightBBox.max.setArray(lightWorldPosition);\n        var extent = new Vector3(range, range, range);\n        lightBBox.max.add(extent);\n        lightBBox.min.sub(extent);\n\n        var targetsNeedRender = { px: false, py: false, pz: false, nx: false, ny: false, nz: false };\n        scene.traverse(function (renderable) {\n            if (renderable.isRenderable() && renderable.castShadow) {\n                var geometry = renderable.geometry;\n                if (!geometry.boundingBox) {\n                    for (var i = 0; i < targets.length; i++) {\n                        renderListEachSide[targets[i]].push(renderable);\n                    }\n                    return;\n                }\n                bbox.transformFrom(geometry.boundingBox, renderable.worldTransform);\n                if (!bbox.intersectBoundingBox(lightBBox)) {\n                    return;\n                }\n\n                bbox.updateVertices();\n                for (var i = 0; i < targets.length; i++) {\n                    targetsNeedRender[targets[i]] = false;\n                }\n                for (var i = 0; i < 8; i++) {\n                    var vtx = bbox.vertices[i];\n                    var x = vtx[0] - lightWorldPosition[0];\n                    var y = vtx[1] - lightWorldPosition[1];\n                    var z = vtx[2] - lightWorldPosition[2];\n                    var absx = Math.abs(x);\n                    var absy = Math.abs(y);\n                    var absz = Math.abs(z);\n                    if (absx > absy) {\n                        if (absx > absz) {\n                            targetsNeedRender[x > 0 ? 'px' : 'nx'] = true;\n                        }\n                        else {\n                            targetsNeedRender[z > 0 ? 'pz' : 'nz'] = true;\n                        }\n                    }\n                    else {\n                        if (absy > absz) {\n                            targetsNeedRender[y > 0 ? 'py' : 'ny'] = true;\n                        }\n                        else {\n                            targetsNeedRender[z > 0 ? 'pz' : 'nz'] = true;\n                        }\n                    }\n                }\n                for (var i = 0; i < targets.length; i++) {\n                    if (targetsNeedRender[targets[i]]) {\n                        renderListEachSide[targets[i]].push(renderable);\n                    }\n                }\n            }\n        });\n\n        for (var i = 0; i < 6; i++) {\n            var target = targets[i];\n            var camera = this._getPointLightCamera(light, target);\n\n            this._frameBuffer.attach(texture, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i);\n            this._frameBuffer.bind(renderer);\n            _gl.clear(_gl.COLOR_BUFFER_BIT | _gl.DEPTH_BUFFER_BIT);\n\n            renderer.renderPass(renderListEachSide[target], camera, passConfig);\n        }\n\n        this._frameBuffer.unbind(renderer);\n    },\n\n    _getDepthMaterial: function (light) {\n        var shadowMaterial = this._lightMaterials[light.__uid__];\n        var isPointLight = light.type === 'POINT_LIGHT';\n        if (!shadowMaterial) {\n            var shaderPrefix = isPointLight ? 'clay.sm.distance.' : 'clay.sm.depth.';\n            shadowMaterial = new Material({\n                precision: this.precision,\n                shader: new Shader(Shader.source(shaderPrefix + 'vertex'), Shader.source(shaderPrefix + 'fragment'))\n            });\n\n            this._lightMaterials[light.__uid__] = shadowMaterial;\n        }\n        if (light.shadowSlopeScale != null) {\n            shadowMaterial.setUniform('slopeScale', light.shadowSlopeScale);\n        }\n        if (light.shadowBias != null) {\n            shadowMaterial.setUniform('bias', light.shadowBias);\n        }\n        if (this.softShadow === ShadowMapPass.VSM) {\n            shadowMaterial.define('fragment', 'USE_VSM');\n        }\n        else {\n            shadowMaterial.undefine('fragment', 'USE_VSM');\n        }\n\n        if (isPointLight) {\n            shadowMaterial.set('lightPosition', light.getWorldPosition().array);\n            shadowMaterial.set('range', light.range);\n        }\n\n        return shadowMaterial;\n    },\n\n    _gaussianFilter: function (renderer, texture, size) {\n        var parameter = {\n            width: size,\n            height: size,\n            type: Texture.FLOAT\n        };\n        var tmpTexture = this._texturePool.get(parameter);\n\n        this._frameBuffer.attach(tmpTexture);\n        this._frameBuffer.bind(renderer);\n        this._gaussianPassH.setUniform('texture', texture);\n        this._gaussianPassH.setUniform('textureWidth', size);\n        this._gaussianPassH.render(renderer);\n\n        this._frameBuffer.attach(texture);\n        this._gaussianPassV.setUniform('texture', tmpTexture);\n        this._gaussianPassV.setUniform('textureHeight', size);\n        this._gaussianPassV.render(renderer);\n        this._frameBuffer.unbind(renderer);\n\n        this._texturePool.put(tmpTexture);\n    },\n\n    _getTexture: function (light, cascade) {\n        var key = light.__uid__;\n        var texture = this._textures[key];\n        var resolution = light.shadowResolution || 512;\n        cascade = cascade || 1;\n        if (!texture) {\n            if (light.type === 'POINT_LIGHT') {\n                texture = new TextureCube();\n            }\n            else {\n                texture = new Texture2D();\n            }\n            // At most 4 cascade\n            // TODO share with height ?\n            texture.width = resolution * cascade;\n            texture.height = resolution;\n            if (this.softShadow === ShadowMapPass.VSM) {\n                texture.type = Texture.FLOAT;\n                texture.anisotropic = 4;\n            }\n            else {\n                texture.minFilter = glenum.NEAREST;\n                texture.magFilter = glenum.NEAREST;\n                texture.useMipmap = false;\n            }\n            this._textures[key] = texture;\n        }\n\n        return texture;\n    },\n\n    _getPointLightCamera: function (light, target) {\n        if (!this._lightCameras.point) {\n            this._lightCameras.point = {\n                px: new PerspectiveCamera(),\n                nx: new PerspectiveCamera(),\n                py: new PerspectiveCamera(),\n                ny: new PerspectiveCamera(),\n                pz: new PerspectiveCamera(),\n                nz: new PerspectiveCamera()\n            };\n        }\n        var camera = this._lightCameras.point[target];\n\n        camera.far = light.range;\n        camera.fov = 90;\n        camera.position.set(0, 0, 0);\n        switch (target) {\n            case 'px':\n                camera.lookAt(Vector3.POSITIVE_X, Vector3.NEGATIVE_Y);\n                break;\n            case 'nx':\n                camera.lookAt(Vector3.NEGATIVE_X, Vector3.NEGATIVE_Y);\n                break;\n            case 'py':\n                camera.lookAt(Vector3.POSITIVE_Y, Vector3.POSITIVE_Z);\n                break;\n            case 'ny':\n                camera.lookAt(Vector3.NEGATIVE_Y, Vector3.NEGATIVE_Z);\n                break;\n            case 'pz':\n                camera.lookAt(Vector3.POSITIVE_Z, Vector3.NEGATIVE_Y);\n                break;\n            case 'nz':\n                camera.lookAt(Vector3.NEGATIVE_Z, Vector3.NEGATIVE_Y);\n                break;\n        }\n        light.getWorldPosition(camera.position);\n        camera.update();\n\n        return camera;\n    },\n\n    _getDirectionalLightCamera: (function () {\n        var lightViewMatrix = new Matrix4();\n        var sceneViewBoundingBox = new BoundingBox();\n        var lightViewBBox = new BoundingBox();\n        // Camera of directional light will be adjusted\n        // to contain the view frustum and scene bounding box as tightly as possible\n        return function (light, scene, sceneCamera) {\n            if (!this._lightCameras.directional) {\n                this._lightCameras.directional = new OrthoCamera();\n            }\n            var camera = this._lightCameras.directional;\n\n            sceneViewBoundingBox.copy(scene.viewBoundingBoxLastFrame);\n            sceneViewBoundingBox.intersection(sceneCamera.frustum.boundingBox);\n            // Move to the center of frustum(in world space)\n            camera.position\n                .copy(sceneViewBoundingBox.min)\n                .add(sceneViewBoundingBox.max)\n                .scale(0.5)\n                .transformMat4(sceneCamera.worldTransform);\n            camera.rotation.copy(light.rotation);\n            camera.scale.copy(light.scale);\n            camera.updateWorldTransform();\n\n            // Transform to light view space\n            Matrix4.invert(lightViewMatrix, camera.worldTransform);\n            Matrix4.multiply(lightViewMatrix, lightViewMatrix, sceneCamera.worldTransform);\n\n            lightViewBBox.copy(sceneViewBoundingBox).applyTransform(lightViewMatrix);\n\n            var min = lightViewBBox.min.array;\n            var max = lightViewBBox.max.array;\n\n            // Move camera to adjust the near to 0\n            camera.position.set((min[0] + max[0]) / 2, (min[1] + max[1]) / 2, max[2])\n                .transformMat4(camera.worldTransform);\n            camera.near = 0;\n            camera.far = -min[2] + max[2];\n            // Make sure receivers not in the frustum will stil receive the shadow.\n            if (isNaN(this.lightFrustumBias)) {\n                camera.far *= 4;\n            }\n            else {\n                camera.far += this.lightFrustumBias;\n            }\n            camera.left = min[0];\n            camera.right = max[0];\n            camera.top = max[1];\n            camera.bottom = min[1];\n            camera.update(true);\n\n            return camera;\n        };\n    })(),\n\n    _getSpotLightCamera: function (light) {\n        if (!this._lightCameras.spot) {\n            this._lightCameras.spot = new PerspectiveCamera();\n        }\n        var camera = this._lightCameras.spot;\n        // Update properties\n        camera.fov = light.penumbraAngle * 2;\n        camera.far = light.range;\n        camera.worldTransform.copy(light.worldTransform);\n        camera.updateProjectionMatrix();\n        mat4.invert(camera.viewMatrix.array, camera.worldTransform.array);\n\n        return camera;\n    },\n\n    /**\n     * @param  {clay.Renderer|WebGLRenderingContext} [renderer]\n     * @memberOf clay.prePass.ShadowMap.prototype\n     */\n    // PENDING Renderer or WebGLRenderingContext\n    dispose: function (renderer) {\n        var _gl = renderer.gl || renderer;\n\n        if (this._frameBuffer) {\n            this._frameBuffer.dispose(_gl);\n        }\n\n        for (var name in this._textures) {\n            this._textures[name].dispose(_gl);\n        }\n\n        this._texturePool.clear(renderer.gl);\n\n        this._depthMaterials = {};\n        this._distanceMaterials = {};\n        this._textures = {};\n        this._lightCameras = {};\n        this._shadowMapNumber = {\n            'POINT_LIGHT': 0,\n            'DIRECTIONAL_LIGHT': 0,\n            'SPOT_LIGHT': 0\n        };\n        this._meshMaterials = {};\n\n        for (var i = 0; i < this._receivers.length; i++) {\n            var mesh = this._receivers[i];\n            // Mesh may be disposed\n            if (mesh.material) {\n                var material = mesh.material;\n                material.undefine('fragment', 'POINT_LIGHT_SHADOW_COUNT');\n                material.undefine('fragment', 'DIRECTIONAL_LIGHT_SHADOW_COUNT');\n                material.undefine('fragment', 'AMBIENT_LIGHT_SHADOW_COUNT');\n                material.set('shadowEnabled', 0);\n            }\n        }\n\n        this._receivers = [];\n        this._lightsCastShadow = [];\n    }\n});\n\n/**\n * @name clay.prePass.ShadowMap.VSM\n * @type {number}\n */\nShadowMapPass.VSM = 1;\n\n/**\n * @name clay.prePass.ShadowMap.PCF\n * @type {number}\n */\nShadowMapPass.PCF = 2;\n\nexport default ShadowMapPass;\n","export default \"@export clay.sm.depth.vertex\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\nattribute vec3 position : POSITION;\\nattribute vec2 texcoord : TEXCOORD_0;\\nuniform vec2 uvRepeat = vec2(1.0, 1.0);\\nuniform vec2 uvOffset = vec2(0.0, 0.0);\\n@import clay.chunk.skinning_header\\n@import clay.chunk.instancing_header\\nvarying vec4 v_ViewPosition;\\nvarying vec2 v_Texcoord;\\nvoid main(){\\n vec4 P = vec4(position, 1.0);\\n#ifdef SKINNING\\n @import clay.chunk.skin_matrix\\n P = skinMatrixWS * P;\\n#endif\\n#ifdef INSTANCING\\n @import clay.chunk.instancing_matrix\\n P = instanceMat * P;\\n#endif\\n v_ViewPosition = worldViewProjection * P;\\n gl_Position = v_ViewPosition;\\n v_Texcoord = texcoord * uvRepeat + uvOffset;\\n}\\n@end\\n@export clay.sm.depth.fragment\\nvarying vec4 v_ViewPosition;\\nvarying vec2 v_Texcoord;\\nuniform float bias : 0.001;\\nuniform float slopeScale : 1.0;\\nuniform sampler2D alphaMap;\\nuniform float alphaCutoff: 0.0;\\n@import clay.util.encode_float\\nvoid main(){\\n float depth = v_ViewPosition.z / v_ViewPosition.w;\\n if (alphaCutoff > 0.0) {\\n if (texture2D(alphaMap, v_Texcoord).a <= alphaCutoff) {\\n discard;\\n }\\n }\\n#ifdef USE_VSM\\n depth = depth * 0.5 + 0.5;\\n float moment1 = depth;\\n float moment2 = depth * depth;\\n #ifdef SUPPORT_STANDARD_DERIVATIVES\\n float dx = dFdx(depth);\\n float dy = dFdy(depth);\\n moment2 += 0.25*(dx*dx+dy*dy);\\n #endif\\n gl_FragColor = vec4(moment1, moment2, 0.0, 1.0);\\n#else\\n #ifdef SUPPORT_STANDARD_DERIVATIVES\\n float dx = dFdx(depth);\\n float dy = dFdy(depth);\\n depth += sqrt(dx*dx + dy*dy) * slopeScale + bias;\\n #else\\n depth += bias;\\n #endif\\n gl_FragColor = encodeFloat(depth * 0.5 + 0.5);\\n#endif\\n}\\n@end\\n@export clay.sm.debug_depth\\nuniform sampler2D depthMap;\\nvarying vec2 v_Texcoord;\\n@import clay.util.decode_float\\nvoid main() {\\n vec4 tex = texture2D(depthMap, v_Texcoord);\\n#ifdef USE_VSM\\n gl_FragColor = vec4(tex.rgb, 1.0);\\n#else\\n float depth = decodeFloat(tex);\\n gl_FragColor = vec4(depth, depth, depth, 1.0);\\n#endif\\n}\\n@end\\n@export clay.sm.distance.vertex\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\nuniform mat4 world : WORLD;\\nattribute vec3 position : POSITION;\\n@import clay.chunk.skinning_header\\nvarying vec3 v_WorldPosition;\\nvoid main (){\\n vec4 P = vec4(position, 1.0);\\n#ifdef SKINNING\\n @import clay.chunk.skin_matrix\\n P = skinMatrixWS * P;\\n#endif\\n#ifdef INSTANCING\\n @import clay.chunk.instancing_matrix\\n P = instanceMat * P;\\n#endif\\n gl_Position = worldViewProjection * P;\\n v_WorldPosition = (world * P).xyz;\\n}\\n@end\\n@export clay.sm.distance.fragment\\nuniform vec3 lightPosition;\\nuniform float range : 100;\\nvarying vec3 v_WorldPosition;\\n@import clay.util.encode_float\\nvoid main(){\\n float dist = distance(lightPosition, v_WorldPosition);\\n#ifdef USE_VSM\\n gl_FragColor = vec4(dist, dist * dist, 0.0, 0.0);\\n#else\\n dist = dist / range;\\n gl_FragColor = encodeFloat(dist);\\n#endif\\n}\\n@end\\n@export clay.plugin.shadow_map_common\\n@import clay.util.decode_float\\nfloat tapShadowMap(sampler2D map, vec2 uv, float z){\\n vec4 tex = texture2D(map, uv);\\n return step(z, decodeFloat(tex) * 2.0 - 1.0);\\n}\\nfloat pcf(sampler2D map, vec2 uv, float z, float textureSize, vec2 scale) {\\n float shadowContrib = tapShadowMap(map, uv, z);\\n vec2 offset = vec2(1.0 / textureSize) * scale;\\n#ifdef PCF_KERNEL_SIZE\\n for (int _idx_ = 0; _idx_ < PCF_KERNEL_SIZE; _idx_++) {{\\n shadowContrib += tapShadowMap(map, uv + offset * pcfKernel[_idx_], z);\\n }}\\n return shadowContrib / float(PCF_KERNEL_SIZE + 1);\\n#else\\n shadowContrib += tapShadowMap(map, uv+vec2(offset.x, 0.0), z);\\n shadowContrib += tapShadowMap(map, uv+vec2(offset.x, offset.y), z);\\n shadowContrib += tapShadowMap(map, uv+vec2(-offset.x, offset.y), z);\\n shadowContrib += tapShadowMap(map, uv+vec2(0.0, offset.y), z);\\n shadowContrib += tapShadowMap(map, uv+vec2(-offset.x, 0.0), z);\\n shadowContrib += tapShadowMap(map, uv+vec2(-offset.x, -offset.y), z);\\n shadowContrib += tapShadowMap(map, uv+vec2(offset.x, -offset.y), z);\\n shadowContrib += tapShadowMap(map, uv+vec2(0.0, -offset.y), z);\\n return shadowContrib / 9.0;\\n#endif\\n}\\nfloat pcf(sampler2D map, vec2 uv, float z, float textureSize) {\\n return pcf(map, uv, z, textureSize, vec2(1.0));\\n}\\nfloat chebyshevUpperBound(vec2 moments, float z){\\n float p = 0.0;\\n z = z * 0.5 + 0.5;\\n if (z <= moments.x) {\\n p = 1.0;\\n }\\n float variance = moments.y - moments.x * moments.x;\\n variance = max(variance, 0.0000001);\\n float mD = moments.x - z;\\n float pMax = variance / (variance + mD * mD);\\n pMax = clamp((pMax-0.4)/(1.0-0.4), 0.0, 1.0);\\n return max(p, pMax);\\n}\\nfloat computeShadowContrib(\\n sampler2D map, mat4 lightVPM, vec3 position, float textureSize, vec2 scale, vec2 offset\\n) {\\n vec4 posInLightSpace = lightVPM * vec4(position, 1.0);\\n posInLightSpace.xyz /= posInLightSpace.w;\\n float z = posInLightSpace.z;\\n if(all(greaterThan(posInLightSpace.xyz, vec3(-0.99, -0.99, -1.0))) &&\\n all(lessThan(posInLightSpace.xyz, vec3(0.99, 0.99, 1.0)))){\\n vec2 uv = (posInLightSpace.xy+1.0) / 2.0;\\n #ifdef USE_VSM\\n vec2 moments = texture2D(map, uv * scale + offset).xy;\\n return chebyshevUpperBound(moments, z);\\n #else\\n return pcf(map, uv * scale + offset, z, textureSize, scale);\\n #endif\\n }\\n return 1.0;\\n}\\nfloat computeShadowContrib(sampler2D map, mat4 lightVPM, vec3 position, float textureSize) {\\n return computeShadowContrib(map, lightVPM, position, textureSize, vec2(1.0), vec2(0.0));\\n}\\nfloat computeShadowContribOmni(samplerCube map, vec3 direction, float range)\\n{\\n float dist = length(direction);\\n vec4 shadowTex = textureCube(map, direction);\\n#ifdef USE_VSM\\n vec2 moments = shadowTex.xy;\\n float variance = moments.y - moments.x * moments.x;\\n float mD = moments.x - dist;\\n float p = variance / (variance + mD * mD);\\n if(moments.x + 0.001 < dist){\\n return clamp(p, 0.0, 1.0);\\n }else{\\n return 1.0;\\n }\\n#else\\n return step(dist, (decodeFloat(shadowTex) + 0.0002) * range);\\n#endif\\n}\\n@end\\n@export clay.plugin.compute_shadow_map\\n#if defined(SPOT_LIGHT_SHADOWMAP_COUNT) || defined(DIRECTIONAL_LIGHT_SHADOWMAP_COUNT) || defined(POINT_LIGHT_SHADOWMAP_COUNT)\\n#ifdef SPOT_LIGHT_SHADOWMAP_COUNT\\nuniform sampler2D spotLightShadowMaps[SPOT_LIGHT_SHADOWMAP_COUNT]:unconfigurable;\\nuniform mat4 spotLightMatrices[SPOT_LIGHT_SHADOWMAP_COUNT]:unconfigurable;\\nuniform float spotLightShadowMapSizes[SPOT_LIGHT_SHADOWMAP_COUNT]:unconfigurable;\\n#endif\\n#ifdef DIRECTIONAL_LIGHT_SHADOWMAP_COUNT\\n#if defined(SHADOW_CASCADE)\\nuniform sampler2D directionalLightShadowMaps[1]:unconfigurable;\\nuniform mat4 directionalLightMatrices[SHADOW_CASCADE]:unconfigurable;\\nuniform float directionalLightShadowMapSizes[1]:unconfigurable;\\nuniform float shadowCascadeClipsNear[SHADOW_CASCADE]:unconfigurable;\\nuniform float shadowCascadeClipsFar[SHADOW_CASCADE]:unconfigurable;\\n#else\\nuniform sampler2D directionalLightShadowMaps[DIRECTIONAL_LIGHT_SHADOWMAP_COUNT]:unconfigurable;\\nuniform mat4 directionalLightMatrices[DIRECTIONAL_LIGHT_SHADOWMAP_COUNT]:unconfigurable;\\nuniform float directionalLightShadowMapSizes[DIRECTIONAL_LIGHT_SHADOWMAP_COUNT]:unconfigurable;\\n#endif\\n#endif\\n#ifdef POINT_LIGHT_SHADOWMAP_COUNT\\nuniform samplerCube pointLightShadowMaps[POINT_LIGHT_SHADOWMAP_COUNT]:unconfigurable;\\n#endif\\nuniform bool shadowEnabled : true;\\n#ifdef PCF_KERNEL_SIZE\\nuniform vec2 pcfKernel[PCF_KERNEL_SIZE];\\n#endif\\n@import clay.plugin.shadow_map_common\\n#if defined(SPOT_LIGHT_SHADOWMAP_COUNT)\\nvoid computeShadowOfSpotLights(vec3 position, inout float shadowContribs[SPOT_LIGHT_COUNT] ) {\\n float shadowContrib;\\n for(int _idx_ = 0; _idx_ < SPOT_LIGHT_SHADOWMAP_COUNT; _idx_++) {{\\n shadowContrib = computeShadowContrib(\\n spotLightShadowMaps[_idx_], spotLightMatrices[_idx_], position,\\n spotLightShadowMapSizes[_idx_]\\n );\\n shadowContribs[_idx_] = shadowContrib;\\n }}\\n for(int _idx_ = SPOT_LIGHT_SHADOWMAP_COUNT; _idx_ < SPOT_LIGHT_COUNT; _idx_++){{\\n shadowContribs[_idx_] = 1.0;\\n }}\\n}\\n#endif\\n#if defined(DIRECTIONAL_LIGHT_SHADOWMAP_COUNT)\\n#ifdef SHADOW_CASCADE\\nvoid computeShadowOfDirectionalLights(vec3 position, inout float shadowContribs[DIRECTIONAL_LIGHT_COUNT]){\\n float depth = (2.0 * gl_FragCoord.z - gl_DepthRange.near - gl_DepthRange.far)\\n / (gl_DepthRange.far - gl_DepthRange.near);\\n float shadowContrib;\\n shadowContribs[0] = 1.0;\\n for (int _idx_ = 0; _idx_ < SHADOW_CASCADE; _idx_++) {{\\n if (\\n depth >= shadowCascadeClipsNear[_idx_] &&\\n depth <= shadowCascadeClipsFar[_idx_]\\n ) {\\n shadowContrib = computeShadowContrib(\\n directionalLightShadowMaps[0], directionalLightMatrices[_idx_], position,\\n directionalLightShadowMapSizes[0],\\n vec2(1.0 / float(SHADOW_CASCADE), 1.0),\\n vec2(float(_idx_) / float(SHADOW_CASCADE), 0.0)\\n );\\n shadowContribs[0] = shadowContrib;\\n }\\n }}\\n for(int _idx_ = DIRECTIONAL_LIGHT_SHADOWMAP_COUNT; _idx_ < DIRECTIONAL_LIGHT_COUNT; _idx_++) {{\\n shadowContribs[_idx_] = 1.0;\\n }}\\n}\\n#else\\nvoid computeShadowOfDirectionalLights(vec3 position, inout float shadowContribs[DIRECTIONAL_LIGHT_COUNT]){\\n float shadowContrib;\\n for(int _idx_ = 0; _idx_ < DIRECTIONAL_LIGHT_SHADOWMAP_COUNT; _idx_++) {{\\n shadowContrib = computeShadowContrib(\\n directionalLightShadowMaps[_idx_], directionalLightMatrices[_idx_], position,\\n directionalLightShadowMapSizes[_idx_]\\n );\\n shadowContribs[_idx_] = shadowContrib;\\n }}\\n for(int _idx_ = DIRECTIONAL_LIGHT_SHADOWMAP_COUNT; _idx_ < DIRECTIONAL_LIGHT_COUNT; _idx_++) {{\\n shadowContribs[_idx_] = 1.0;\\n }}\\n}\\n#endif\\n#endif\\n#if defined(POINT_LIGHT_SHADOWMAP_COUNT)\\nvoid computeShadowOfPointLights(vec3 position, inout float shadowContribs[POINT_LIGHT_COUNT] ){\\n vec3 lightPosition;\\n vec3 direction;\\n for(int _idx_ = 0; _idx_ < POINT_LIGHT_SHADOWMAP_COUNT; _idx_++) {{\\n lightPosition = pointLightPosition[_idx_];\\n direction = position - lightPosition;\\n shadowContribs[_idx_] = computeShadowContribOmni(pointLightShadowMaps[_idx_], direction, pointLightRange[_idx_]);\\n }}\\n for(int _idx_ = POINT_LIGHT_SHADOWMAP_COUNT; _idx_ < POINT_LIGHT_COUNT; _idx_++) {{\\n shadowContribs[_idx_] = 1.0;\\n }}\\n}\\n#endif\\n#endif\\n@end\";\n","import coloradjustEssl from './source/compositor/coloradjust.glsl.js';\nimport blurEssl from './source/compositor/blur.glsl.js';\nimport lumEssl from './source/compositor/lum.glsl.js';\nimport lutEssl from './source/compositor/lut.glsl.js';\nimport vigentteEssl from './source/compositor/vignette.glsl.js';\nimport outputEssl from './source/compositor/output.glsl.js';\nimport brightEssl from './source/compositor/bright.glsl.js';\nimport downsampleEssl from './source/compositor/downsample.glsl.js';\nimport upsampleEssl from './source/compositor/upsample.glsl.js';\nimport hdrEssl from './source/compositor/hdr.glsl.js';\nimport lensflareEssl from './source/compositor/lensflare.glsl.js';\nimport blendEssl from './source/compositor/blend.glsl.js';\nimport fxaaEssl from './source/compositor/fxaa.glsl.js';\n// import fxaa3Essl from './source/compositor/fxaa3.glsl.js';\n\n// TODO Must export a module and be used in the other modules. Or it will be tree shaked\nexport default function register(Shader) {\n    // Some build in shaders\n    Shader['import'](coloradjustEssl);\n    Shader['import'](blurEssl);\n    Shader['import'](lumEssl);\n    Shader['import'](lutEssl);\n    Shader['import'](vigentteEssl);\n    Shader['import'](outputEssl);\n    Shader['import'](brightEssl);\n    Shader['import'](downsampleEssl);\n    Shader['import'](upsampleEssl);\n    Shader['import'](hdrEssl);\n    Shader['import'](lensflareEssl);\n    Shader['import'](blendEssl);\n\n    Shader['import'](fxaaEssl);\n\n}","import Base from '../core/Base';\n\n// PENDING\n// Use topological sort ?\n\n/**\n * Node of graph based post processing.\n *\n * @constructor clay.compositor.CompositorNode\n * @extends clay.core.Base\n *\n */\nvar CompositorNode = Base.extend(function () {\n    return /** @lends clay.compositor.CompositorNode# */ {\n        /**\n         * @type {string}\n         */\n        name: '',\n\n        /**\n         * Input links, will be updated by the graph\n         * @example:\n         *     inputName: {\n         *         node: someNode,\n         *         pin: 'xxxx'\n         *     }\n         * @type {Object}\n         */\n        inputLinks: {},\n\n        /**\n         * Output links, will be updated by the graph\n         * @example:\n         *     outputName: {\n         *         node: someNode,\n         *         pin: 'xxxx'\n         *     }\n         * @type {Object}\n         */\n        outputLinks: {},\n\n        // Save the output texture of previous frame\n        // Will be used when there exist a circular reference\n        _prevOutputTextures: {},\n        _outputTextures: {},\n\n        // Example: { name: 2 }\n        _outputReferences: {},\n\n        _rendering: false,\n        // If rendered in this frame\n        _rendered: false,\n\n        _compositor: null\n    };\n},\n/** @lends clay.compositor.CompositorNode.prototype */\n{\n\n    // TODO Remove parameter function callback\n    updateParameter: function (outputName, renderer) {\n        var outputInfo = this.outputs[outputName];\n        var parameters = outputInfo.parameters;\n        var parametersCopy = outputInfo._parametersCopy;\n        if (!parametersCopy) {\n            parametersCopy = outputInfo._parametersCopy = {};\n        }\n        if (parameters) {\n            for (var key in parameters) {\n                if (key !== 'width' && key !== 'height') {\n                    parametersCopy[key] = parameters[key];\n                }\n            }\n        }\n        var width, height;\n        if (parameters.width instanceof Function) {\n            width = parameters.width.call(this, renderer);\n        }\n        else {\n            width = parameters.width;\n        }\n        if (parameters.height instanceof Function) {\n            height = parameters.height.call(this, renderer);\n        }\n        else {\n            height = parameters.height;\n        }\n        if (\n            parametersCopy.width !== width\n            || parametersCopy.height !== height\n        ) {\n            if (this._outputTextures[outputName]) {\n                this._outputTextures[outputName].dispose(renderer.gl);\n            }\n        }\n        parametersCopy.width = width;\n        parametersCopy.height = height;\n\n        return parametersCopy;\n    },\n\n    /**\n     * Set parameter\n     * @param {string} name\n     * @param {} value\n     */\n    setParameter: function (name, value) {},\n    /**\n     * Get parameter value\n     * @param  {string} name\n     * @return {}\n     */\n    getParameter: function (name) {},\n    /**\n     * Set parameters\n     * @param {Object} obj\n     */\n    setParameters: function (obj) {\n        for (var name in obj) {\n            this.setParameter(name, obj[name]);\n        }\n    },\n\n    render: function () {},\n\n    getOutput: function (renderer /*optional*/, name) {\n        if (name == null) {\n            // Return the output texture without rendering\n            name = renderer;\n            return this._outputTextures[name];\n        }\n        var outputInfo = this.outputs[name];\n        if (!outputInfo) {\n            return ;\n        }\n\n        // Already been rendered in this frame\n        if (this._rendered) {\n            // Force return texture in last frame\n            if (outputInfo.outputLastFrame) {\n                return this._prevOutputTextures[name];\n            }\n            else {\n                return this._outputTextures[name];\n            }\n        }\n        else if (\n            // TODO\n            this._rendering   // Solve Circular Reference\n        ) {\n            if (!this._prevOutputTextures[name]) {\n                // Create a blank texture at first pass\n                this._prevOutputTextures[name] = this._compositor.allocateTexture(outputInfo.parameters || {});\n            }\n            return this._prevOutputTextures[name];\n        }\n\n        this.render(renderer);\n\n        return this._outputTextures[name];\n    },\n\n    removeReference: function (outputName) {\n        this._outputReferences[outputName]--;\n        if (this._outputReferences[outputName] === 0) {\n            var outputInfo = this.outputs[outputName];\n            if (outputInfo.keepLastFrame) {\n                if (this._prevOutputTextures[outputName]) {\n                    this._compositor.releaseTexture(this._prevOutputTextures[outputName]);\n                }\n                this._prevOutputTextures[outputName] = this._outputTextures[outputName];\n            }\n            else {\n                // Output of this node have alreay been used by all other nodes\n                // Put the texture back to the pool.\n                this._compositor.releaseTexture(this._outputTextures[outputName]);\n            }\n        }\n    },\n\n    link: function (inputPinName, fromNode, fromPinName) {\n\n        // The relationship from output pin to input pin is one-on-multiple\n        this.inputLinks[inputPinName] = {\n            node: fromNode,\n            pin: fromPinName\n        };\n        if (!fromNode.outputLinks[fromPinName]) {\n            fromNode.outputLinks[fromPinName] = [];\n        }\n        fromNode.outputLinks[fromPinName].push({\n            node: this,\n            pin: inputPinName\n        });\n\n        // Enabled the pin texture in shader\n        this.pass.material.enableTexture(inputPinName);\n    },\n\n    clear: function () {\n        this.inputLinks = {};\n        this.outputLinks = {};\n    },\n\n    updateReference: function (outputName) {\n        if (!this._rendering) {\n            this._rendering = true;\n            for (var inputName in this.inputLinks) {\n                var link = this.inputLinks[inputName];\n                link.node.updateReference(link.pin);\n            }\n            this._rendering = false;\n        }\n        if (outputName) {\n            this._outputReferences[outputName] ++;\n        }\n    },\n\n    beforeFrame: function () {\n        this._rendered = false;\n\n        for (var name in this.outputLinks) {\n            this._outputReferences[name] = 0;\n        }\n    },\n\n    afterFrame: function () {\n        // Put back all the textures to pool\n        for (var name in this.outputLinks) {\n            if (this._outputReferences[name] > 0) {\n                var outputInfo = this.outputs[name];\n                if (outputInfo.keepLastFrame) {\n                    if (this._prevOutputTextures[name]) {\n                        this._compositor.releaseTexture(this._prevOutputTextures[name]);\n                    }\n                    this._prevOutputTextures[name] = this._outputTextures[name];\n                }\n                else {\n                    this._compositor.releaseTexture(this._outputTextures[name]);\n                }\n            }\n        }\n    }\n});\n\nexport default CompositorNode;\n","import Base from '../core/Base';\nimport GraphNode from './CompositorNode';\n\n/**\n * @constructor clay.compositor.Graph\n * @extends clay.core.Base\n */\nvar Graph = Base.extend(function () {\n    return /** @lends clay.compositor.Graph# */ {\n        /**\n         * @type {Array.<clay.compositor.CompositorNode>}\n         */\n        nodes: []\n    };\n},\n/** @lends clay.compositor.Graph.prototype */\n{\n\n    /**\n     * Mark to update\n     */\n    dirty: function () {\n        this._dirty = true;\n    },\n    /**\n     * @param {clay.compositor.CompositorNode} node\n     */\n    addNode: function (node) {\n\n        if (this.nodes.indexOf(node) >= 0) {\n            return;\n        }\n\n        this.nodes.push(node);\n\n        this._dirty = true;\n    },\n    /**\n     * @param  {clay.compositor.CompositorNode|string} node\n     */\n    removeNode: function (node) {\n        if (typeof node === 'string') {\n            node = this.getNodeByName(node);\n        }\n        var idx = this.nodes.indexOf(node);\n        if (idx >= 0) {\n            this.nodes.splice(idx, 1);\n            this._dirty = true;\n        }\n    },\n    /**\n     * @param {string} name\n     * @return {clay.compositor.CompositorNode}\n     */\n    getNodeByName: function (name) {\n        for (var i = 0; i < this.nodes.length; i++) {\n            if (this.nodes[i].name === name) {\n                return this.nodes[i];\n            }\n        }\n    },\n    /**\n     * Update links of graph\n     */\n    update: function () {\n        for (var i = 0; i < this.nodes.length; i++) {\n            this.nodes[i].clear();\n        }\n        // Traverse all the nodes and build the graph\n        for (var i = 0; i < this.nodes.length; i++) {\n            var node = this.nodes[i];\n\n            if (!node.inputs) {\n                continue;\n            }\n            for (var inputName in node.inputs) {\n                if (!node.inputs[inputName]) {\n                    continue;\n                }\n                if (node.pass && !node.pass.material.isUniformEnabled(inputName)) {\n                    console.warn('Pin '  + node.name + '.' + inputName + ' not used.');\n                    continue;\n                }\n                var fromPinInfo = node.inputs[inputName];\n\n                var fromPin = this.findPin(fromPinInfo);\n                if (fromPin) {\n                    node.link(inputName, fromPin.node, fromPin.pin);\n                }\n                else {\n                    if (typeof fromPinInfo === 'string') {\n                        console.warn('Node ' + fromPinInfo + ' not exist');\n                    }\n                    else {\n                        console.warn('Pin of ' + fromPinInfo.node + '.' + fromPinInfo.pin + ' not exist');\n                    }\n                }\n            }\n        }\n    },\n\n    findPin: function (input) {\n        var node;\n        // Try to take input as a directly a node\n        if (typeof input === 'string' || input instanceof GraphNode) {\n            input = {\n                node: input\n            };\n        }\n\n        if (typeof input.node === 'string') {\n            for (var i = 0; i < this.nodes.length; i++) {\n                var tmp = this.nodes[i];\n                if (tmp.name === input.node) {\n                    node = tmp;\n                }\n            }\n        }\n        else {\n            node = input.node;\n        }\n        if (node) {\n            var inputPin = input.pin;\n            if (!inputPin) {\n                // Use first pin defaultly\n                if (node.outputs) {\n                    inputPin = Object.keys(node.outputs)[0];\n                }\n            }\n            if (node.outputs[inputPin]) {\n                return {\n                    node: node,\n                    pin: inputPin\n                };\n            }\n        }\n    }\n});\n\nexport default Graph;\n","import Graph from './Graph';\nimport TexturePool from './TexturePool';\nimport FrameBuffer from '../FrameBuffer';\n\n/**\n * Compositor provide graph based post processing\n *\n * @constructor clay.compositor.Compositor\n * @extends clay.compositor.Graph\n *\n */\nvar Compositor = Graph.extend(function() {\n    return {\n        // Output node\n        _outputs: [],\n\n        _texturePool: new TexturePool(),\n\n        _frameBuffer: new FrameBuffer({\n            depthBuffer: false\n        })\n    };\n},\n/** @lends clay.compositor.Compositor.prototype */\n{\n    addNode: function(node) {\n        Graph.prototype.addNode.call(this, node);\n        node._compositor = this;\n    },\n    /**\n     * @param  {clay.Renderer} renderer\n     */\n    render: function(renderer, frameBuffer) {\n        if (this._dirty) {\n            this.update();\n            this._dirty = false;\n\n            this._outputs.length = 0;\n            for (var i = 0; i < this.nodes.length; i++) {\n                if (!this.nodes[i].outputs) {\n                    this._outputs.push(this.nodes[i]);\n                }\n            }\n        }\n\n        for (var i = 0; i < this.nodes.length; i++) {\n            // Update the reference number of each output texture\n            this.nodes[i].beforeFrame();\n        }\n\n        for (var i = 0; i < this._outputs.length; i++) {\n            this._outputs[i].updateReference();\n        }\n\n        for (var i = 0; i < this._outputs.length; i++) {\n            this._outputs[i].render(renderer, frameBuffer);\n        }\n\n        for (var i = 0; i < this.nodes.length; i++) {\n            // Clear up\n            this.nodes[i].afterFrame();\n        }\n    },\n\n    allocateTexture: function (parameters) {\n        return this._texturePool.get(parameters);\n    },\n\n    releaseTexture: function (parameters) {\n        this._texturePool.put(parameters);\n    },\n\n    getFrameBuffer: function () {\n        return this._frameBuffer;\n    },\n\n    /**\n     * Dispose compositor\n     * @param {clay.Renderer} renderer\n     */\n    dispose: function (renderer) {\n        this._texturePool.clear(renderer);\n    }\n});\n\nexport default Compositor;\n","import CompositorNode from './CompositorNode';\nimport glenum from '../core/glenum';\nimport FrameBuffer from '../FrameBuffer';\n\n/**\n * @constructor clay.compositor.SceneNode\n * @extends clay.compositor.CompositorNode\n */\nvar SceneNode = CompositorNode.extend(\n/** @lends clay.compositor.SceneNode# */\n{\n    name: 'scene',\n    /**\n     * @type {clay.Scene}\n     */\n    scene: null,\n    /**\n     * @type {clay.Camera}\n     */\n    camera: null,\n    /**\n     * @type {boolean}\n     */\n    autoUpdateScene: true,\n    /**\n     * @type {boolean}\n     */\n    preZ: false\n\n}, function() {\n    this.frameBuffer = new FrameBuffer();\n}, {\n    render: function(renderer) {\n\n        this._rendering = true;\n        var _gl = renderer.gl;\n\n        this.trigger('beforerender');\n\n        var renderInfo;\n\n        if (!this.outputs) {\n\n            renderInfo = renderer.render(this.scene, this.camera, !this.autoUpdateScene, this.preZ);\n\n        }\n        else {\n\n            var frameBuffer = this.frameBuffer;\n            for (var name in this.outputs) {\n                var parameters = this.updateParameter(name, renderer);\n                var outputInfo = this.outputs[name];\n                var texture = this._compositor.allocateTexture(parameters);\n                this._outputTextures[name] = texture;\n\n                var attachment = outputInfo.attachment || _gl.COLOR_ATTACHMENT0;\n                if (typeof(attachment) == 'string') {\n                    attachment = _gl[attachment];\n                }\n                frameBuffer.attach(texture, attachment);\n            }\n            frameBuffer.bind(renderer);\n\n            // MRT Support in chrome\n            // https://www.khronos.org/registry/webgl/sdk/tests/conformance/extensions/ext-draw-buffers.html\n            var ext = renderer.getGLExtension('EXT_draw_buffers');\n            if (ext) {\n                var bufs = [];\n                for (var attachment in this.outputs) {\n                    attachment = parseInt(attachment);\n                    if (attachment >= _gl.COLOR_ATTACHMENT0 && attachment <= _gl.COLOR_ATTACHMENT0 + 8) {\n                        bufs.push(attachment);\n                    }\n                }\n                ext.drawBuffersEXT(bufs);\n            }\n\n            // Always clear\n            // PENDING\n            renderer.saveClear();\n            renderer.clearBit = glenum.DEPTH_BUFFER_BIT | glenum.COLOR_BUFFER_BIT;\n            renderInfo = renderer.render(this.scene, this.camera, !this.autoUpdateScene, this.preZ);\n            renderer.restoreClear();\n\n            frameBuffer.unbind(renderer);\n        }\n\n        this.trigger('afterrender', renderInfo);\n\n        this._rendering = false;\n        this._rendered = true;\n    }\n});\n\nexport default SceneNode;\n","import CompositorNode from './CompositorNode';\n\n/**\n * @constructor clay.compositor.TextureNode\n * @extends clay.compositor.CompositorNode\n */\nvar TextureNode = CompositorNode.extend(function() {\n    return /** @lends clay.compositor.TextureNode# */ {\n        /**\n         * @type {clay.Texture2D}\n         */\n        texture: null,\n\n        // Texture node must have output without parameters\n        outputs: {\n            color: {}\n        }\n    };\n}, function () {\n}, {\n\n    getOutput: function (renderer, name) {\n        return this.texture;\n    },\n\n    // Do nothing\n    beforeFrame: function () {},\n    afterFrame: function () {}\n});\n\nexport default TextureNode;\n","// TODO Shader library\nimport Pass from './Pass';\nimport CompositorNode from './CompositorNode';\n\n// TODO curlnoise demo wrong\n\n// PENDING\n// Use topological sort ?\n\n/**\n * Filter node\n *\n * @constructor clay.compositor.FilterNode\n * @extends clay.compositor.CompositorNode\n *\n * @example\n    var node = new clay.compositor.FilterNode({\n        name: 'fxaa',\n        shader: clay.Shader.source('clay.compositor.fxaa'),\n        inputs: {\n            texture: {\n                    node: 'scene',\n                    pin: 'color'\n            }\n        },\n        // Multiple outputs is preserved for MRT support in WebGL2.0\n        outputs: {\n            color: {\n                attachment: clay.FrameBuffer.COLOR_ATTACHMENT0\n                parameters: {\n                    format: clay.Texture.RGBA,\n                    width: 512,\n                    height: 512\n                },\n                // Node will keep the RTT rendered in last frame\n                keepLastFrame: true,\n                // Force the node output the RTT rendered in last frame\n                outputLastFrame: true\n            }\n        }\n    });\n    *\n    */\nvar FilterNode = CompositorNode.extend(function () {\n    return /** @lends clay.compositor.FilterNode# */ {\n        /**\n         * @type {string}\n         */\n        name: '',\n\n        /**\n         * @type {Object}\n         */\n        inputs: {},\n\n        /**\n         * @type {Object}\n         */\n        outputs: null,\n\n        /**\n         * @type {string}\n         */\n        shader: '',\n\n        /**\n         * Input links, will be updated by the graph\n         * @example:\n         *     inputName: {\n         *         node: someNode,\n         *         pin: 'xxxx'\n         *     }\n         * @type {Object}\n         */\n        inputLinks: {},\n\n        /**\n         * Output links, will be updated by the graph\n         * @example:\n         *     outputName: {\n         *         node: someNode,\n         *         pin: 'xxxx'\n         *     }\n         * @type {Object}\n         */\n        outputLinks: {},\n\n        /**\n         * @type {clay.compositor.Pass}\n         */\n        pass: null,\n\n        // Save the output texture of previous frame\n        // Will be used when there exist a circular reference\n        _prevOutputTextures: {},\n        _outputTextures: {},\n\n        // Example: { name: 2 }\n        _outputReferences: {},\n\n        _rendering: false,\n        // If rendered in this frame\n        _rendered: false,\n\n        _compositor: null\n    };\n}, function () {\n\n    var pass = new Pass({\n        fragment: this.shader\n    });\n    this.pass = pass;\n},\n/** @lends clay.compositor.FilterNode.prototype */\n{\n    /**\n     * @param  {clay.Renderer} renderer\n     */\n    render: function (renderer, frameBuffer) {\n        this.trigger('beforerender', renderer);\n\n        this._rendering = true;\n\n        var _gl = renderer.gl;\n\n        for (var inputName in this.inputLinks) {\n            var link = this.inputLinks[inputName];\n            var inputTexture = link.node.getOutput(renderer, link.pin);\n            this.pass.setUniform(inputName, inputTexture);\n        }\n        // Output\n        if (!this.outputs) {\n            this.pass.outputs = null;\n\n            this._compositor.getFrameBuffer().unbind(renderer);\n\n            this.pass.render(renderer, frameBuffer);\n        }\n        else {\n            this.pass.outputs = {};\n\n            var attachedTextures = {};\n            for (var name in this.outputs) {\n                var parameters = this.updateParameter(name, renderer);\n                if (isNaN(parameters.width)) {\n                    this.updateParameter(name, renderer);\n                }\n                var outputInfo = this.outputs[name];\n                var texture = this._compositor.allocateTexture(parameters);\n                this._outputTextures[name] = texture;\n                var attachment = outputInfo.attachment || _gl.COLOR_ATTACHMENT0;\n                if (typeof(attachment) === 'string') {\n                    attachment = _gl[attachment];\n                }\n                attachedTextures[attachment] = texture;\n            }\n            this._compositor.getFrameBuffer().bind(renderer);\n\n            for (var attachment in attachedTextures) {\n                // FIXME attachment changes in different nodes\n                this._compositor.getFrameBuffer().attach(\n                    attachedTextures[attachment], attachment\n                );\n            }\n\n            this.pass.render(renderer);\n\n            // Because the data of texture is changed over time,\n            // Here update the mipmaps of texture each time after rendered;\n            this._compositor.getFrameBuffer().updateMipmap(renderer);\n        }\n\n        for (var inputName in this.inputLinks) {\n            var link = this.inputLinks[inputName];\n            link.node.removeReference(link.pin);\n        }\n\n        this._rendering = false;\n        this._rendered = true;\n\n        this.trigger('afterrender', renderer);\n    },\n\n    // TODO Remove parameter function callback\n    updateParameter: function (outputName, renderer) {\n        var outputInfo = this.outputs[outputName];\n        var parameters = outputInfo.parameters;\n        var parametersCopy = outputInfo._parametersCopy;\n        if (!parametersCopy) {\n            parametersCopy = outputInfo._parametersCopy = {};\n        }\n        if (parameters) {\n            for (var key in parameters) {\n                if (key !== 'width' && key !== 'height') {\n                    parametersCopy[key] = parameters[key];\n                }\n            }\n        }\n        var width, height;\n        if (typeof parameters.width === 'function') {\n            width = parameters.width.call(this, renderer);\n        }\n        else {\n            width = parameters.width;\n        }\n        if (typeof parameters.height === 'function') {\n            height = parameters.height.call(this, renderer);\n        }\n        else {\n            height = parameters.height;\n        }\n        width = Math.ceil(width);\n        height = Math.ceil(height);\n        if (\n            parametersCopy.width !== width\n            || parametersCopy.height !== height\n        ) {\n            if (this._outputTextures[outputName]) {\n                this._outputTextures[outputName].dispose(renderer);\n            }\n        }\n        parametersCopy.width = width;\n        parametersCopy.height = height;\n\n        return parametersCopy;\n    },\n\n    /**\n     * Set parameter\n     * @param {string} name\n     * @param {} value\n     */\n    setParameter: function (name, value) {\n        this.pass.setUniform(name, value);\n    },\n    /**\n     * Get parameter value\n     * @param  {string} name\n     * @return {}\n     */\n    getParameter: function (name) {\n        return this.pass.getUniform(name);\n    },\n    /**\n     * Set parameters\n     * @param {Object} obj\n     */\n    setParameters: function (obj) {\n        for (var name in obj) {\n            this.setParameter(name, obj[name]);\n        }\n    },\n    // /**\n    //  * Set shader code\n    //  * @param {string} shaderStr\n    //  */\n    // setShader: function (shaderStr) {\n    //     var material = this.pass.material;\n    //     material.shader.setFragment(shaderStr);\n    //     material.attachShader(material.shader, true);\n    // },\n    /**\n     * Proxy of pass.material.define('fragment', xxx);\n     * @param  {string} symbol\n     * @param  {number} [val]\n     */\n    define: function (symbol, val) {\n        this.pass.material.define('fragment', symbol, val);\n    },\n\n    /**\n     * Proxy of pass.material.undefine('fragment', xxx)\n     * @param  {string} symbol\n     */\n    undefine: function (symbol) {\n        this.pass.material.undefine('fragment', symbol);\n    },\n\n    removeReference: function (outputName) {\n        this._outputReferences[outputName]--;\n        if (this._outputReferences[outputName] === 0) {\n            var outputInfo = this.outputs[outputName];\n            if (outputInfo.keepLastFrame) {\n                if (this._prevOutputTextures[outputName]) {\n                    this._compositor.releaseTexture(this._prevOutputTextures[outputName]);\n                }\n                this._prevOutputTextures[outputName] = this._outputTextures[outputName];\n            }\n            else {\n                // Output of this node have alreay been used by all other nodes\n                // Put the texture back to the pool.\n                this._compositor.releaseTexture(this._outputTextures[outputName]);\n            }\n        }\n    },\n\n    clear: function () {\n        CompositorNode.prototype.clear.call(this);\n\n        // Default disable all texture\n        this.pass.material.disableTexturesAll();\n    }\n});\n\nexport default FilterNode;\n","export default \"@export clay.compositor.kernel.gaussian_9\\nfloat gaussianKernel[9];\\ngaussianKernel[0] = 0.07;\\ngaussianKernel[1] = 0.09;\\ngaussianKernel[2] = 0.12;\\ngaussianKernel[3] = 0.14;\\ngaussianKernel[4] = 0.16;\\ngaussianKernel[5] = 0.14;\\ngaussianKernel[6] = 0.12;\\ngaussianKernel[7] = 0.09;\\ngaussianKernel[8] = 0.07;\\n@end\\n@export clay.compositor.kernel.gaussian_13\\nfloat gaussianKernel[13];\\ngaussianKernel[0] = 0.02;\\ngaussianKernel[1] = 0.03;\\ngaussianKernel[2] = 0.06;\\ngaussianKernel[3] = 0.08;\\ngaussianKernel[4] = 0.11;\\ngaussianKernel[5] = 0.13;\\ngaussianKernel[6] = 0.14;\\ngaussianKernel[7] = 0.13;\\ngaussianKernel[8] = 0.11;\\ngaussianKernel[9] = 0.08;\\ngaussianKernel[10] = 0.06;\\ngaussianKernel[11] = 0.03;\\ngaussianKernel[12] = 0.02;\\n@end\\n@export clay.compositor.gaussian_blur\\n#define SHADER_NAME gaussian_blur\\nuniform sampler2D texture;varying vec2 v_Texcoord;\\nuniform float blurSize : 2.0;\\nuniform vec2 textureSize : [512.0, 512.0];\\nuniform float blurDir : 0.0;\\n@import clay.util.rgbm\\n@import clay.util.clamp_sample\\nvoid main (void)\\n{\\n @import clay.compositor.kernel.gaussian_9\\n vec2 off = blurSize / textureSize;\\n off *= vec2(1.0 - blurDir, blurDir);\\n vec4 sum = vec4(0.0);\\n float weightAll = 0.0;\\n for (int i = 0; i < 9; i++) {\\n float w = gaussianKernel[i];\\n vec4 texel = decodeHDR(clampSample(texture, v_Texcoord + float(i - 4) * off));\\n sum += texel * w;\\n weightAll += w;\\n }\\n gl_FragColor = encodeHDR(sum / max(weightAll, 0.01));\\n}\\n@end\\n\";\n","export default \"\\n@export clay.compositor.lut\\nvarying vec2 v_Texcoord;\\nuniform sampler2D texture;\\nuniform sampler2D lookup;\\nvoid main()\\n{\\n vec4 tex = texture2D(texture, v_Texcoord);\\n float blueColor = tex.b * 63.0;\\n vec2 quad1;\\n quad1.y = floor(floor(blueColor) / 8.0);\\n quad1.x = floor(blueColor) - (quad1.y * 8.0);\\n vec2 quad2;\\n quad2.y = floor(ceil(blueColor) / 8.0);\\n quad2.x = ceil(blueColor) - (quad2.y * 8.0);\\n vec2 texPos1;\\n texPos1.x = (quad1.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * tex.r);\\n texPos1.y = (quad1.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * tex.g);\\n vec2 texPos2;\\n texPos2.x = (quad2.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * tex.r);\\n texPos2.y = (quad2.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * tex.g);\\n vec4 newColor1 = texture2D(lookup, texPos1);\\n vec4 newColor2 = texture2D(lookup, texPos2);\\n vec4 newColor = mix(newColor1, newColor2, fract(blueColor));\\n gl_FragColor = vec4(newColor.rgb, tex.w);\\n}\\n@end\";\n","export default \"@export clay.compositor.output\\n#define OUTPUT_ALPHA\\nvarying vec2 v_Texcoord;\\nuniform sampler2D texture;\\n@import clay.util.rgbm\\nvoid main()\\n{\\n vec4 tex = decodeHDR(texture2D(texture, v_Texcoord));\\n gl_FragColor.rgb = tex.rgb;\\n#ifdef OUTPUT_ALPHA\\n gl_FragColor.a = tex.a;\\n#else\\n gl_FragColor.a = 1.0;\\n#endif\\n gl_FragColor = encodeHDR(gl_FragColor);\\n#ifdef PREMULTIPLY_ALPHA\\n gl_FragColor.rgb *= gl_FragColor.a;\\n#endif\\n}\\n@end\";\n","export default \"@export clay.compositor.bright\\nuniform sampler2D texture;\\nuniform float threshold : 1;\\nuniform float scale : 1.0;\\nuniform vec2 textureSize: [512, 512];\\nvarying vec2 v_Texcoord;\\nconst vec3 lumWeight = vec3(0.2125, 0.7154, 0.0721);\\n@import clay.util.rgbm\\nvec4 median(vec4 a, vec4 b, vec4 c)\\n{\\n return a + b + c - min(min(a, b), c) - max(max(a, b), c);\\n}\\nvoid main()\\n{\\n vec4 texel = decodeHDR(texture2D(texture, v_Texcoord));\\n#ifdef ANTI_FLICKER\\n vec3 d = 1.0 / textureSize.xyx * vec3(1.0, 1.0, 0.0);\\n vec4 s1 = decodeHDR(texture2D(texture, v_Texcoord - d.xz));\\n vec4 s2 = decodeHDR(texture2D(texture, v_Texcoord + d.xz));\\n vec4 s3 = decodeHDR(texture2D(texture, v_Texcoord - d.zy));\\n vec4 s4 = decodeHDR(texture2D(texture, v_Texcoord + d.zy));\\n texel = median(median(texel, s1, s2), s3, s4);\\n#endif\\n float lum = dot(texel.rgb , lumWeight);\\n vec4 color;\\n if (lum > threshold && texel.a > 0.0)\\n {\\n color = vec4(texel.rgb * scale, texel.a * scale);\\n }\\n else\\n {\\n color = vec4(0.0);\\n }\\n gl_FragColor = encodeHDR(color);\\n}\\n@end\\n\";\n","export default \"@export clay.compositor.downsample\\nuniform sampler2D texture;\\nuniform vec2 textureSize : [512, 512];\\nvarying vec2 v_Texcoord;\\n@import clay.util.rgbm\\nfloat brightness(vec3 c)\\n{\\n return max(max(c.r, c.g), c.b);\\n}\\n@import clay.util.clamp_sample\\nvoid main()\\n{\\n vec4 d = vec4(-1.0, -1.0, 1.0, 1.0) / textureSize.xyxy;\\n#ifdef ANTI_FLICKER\\n vec3 s1 = decodeHDR(clampSample(texture, v_Texcoord + d.xy)).rgb;\\n vec3 s2 = decodeHDR(clampSample(texture, v_Texcoord + d.zy)).rgb;\\n vec3 s3 = decodeHDR(clampSample(texture, v_Texcoord + d.xw)).rgb;\\n vec3 s4 = decodeHDR(clampSample(texture, v_Texcoord + d.zw)).rgb;\\n float s1w = 1.0 / (brightness(s1) + 1.0);\\n float s2w = 1.0 / (brightness(s2) + 1.0);\\n float s3w = 1.0 / (brightness(s3) + 1.0);\\n float s4w = 1.0 / (brightness(s4) + 1.0);\\n float oneDivideSum = 1.0 / (s1w + s2w + s3w + s4w);\\n vec4 color = vec4(\\n (s1 * s1w + s2 * s2w + s3 * s3w + s4 * s4w) * oneDivideSum,\\n 1.0\\n );\\n#else\\n vec4 color = decodeHDR(clampSample(texture, v_Texcoord + d.xy));\\n color += decodeHDR(clampSample(texture, v_Texcoord + d.zy));\\n color += decodeHDR(clampSample(texture, v_Texcoord + d.xw));\\n color += decodeHDR(clampSample(texture, v_Texcoord + d.zw));\\n color *= 0.25;\\n#endif\\n gl_FragColor = encodeHDR(color);\\n}\\n@end\";\n","export default \"\\n@export clay.compositor.upsample\\n#define HIGH_QUALITY\\nuniform sampler2D texture;\\nuniform vec2 textureSize : [512, 512];\\nuniform float sampleScale: 0.5;\\nvarying vec2 v_Texcoord;\\n@import clay.util.rgbm\\n@import clay.util.clamp_sample\\nvoid main()\\n{\\n#ifdef HIGH_QUALITY\\n vec4 d = vec4(1.0, 1.0, -1.0, 0.0) / textureSize.xyxy * sampleScale;\\n vec4 s;\\n s = decodeHDR(clampSample(texture, v_Texcoord - d.xy));\\n s += decodeHDR(clampSample(texture, v_Texcoord - d.wy)) * 2.0;\\n s += decodeHDR(clampSample(texture, v_Texcoord - d.zy));\\n s += decodeHDR(clampSample(texture, v_Texcoord + d.zw)) * 2.0;\\n s += decodeHDR(clampSample(texture, v_Texcoord )) * 4.0;\\n s += decodeHDR(clampSample(texture, v_Texcoord + d.xw)) * 2.0;\\n s += decodeHDR(clampSample(texture, v_Texcoord + d.zy));\\n s += decodeHDR(clampSample(texture, v_Texcoord + d.wy)) * 2.0;\\n s += decodeHDR(clampSample(texture, v_Texcoord + d.xy));\\n gl_FragColor = encodeHDR(s / 16.0);\\n#else\\n vec4 d = vec4(-1.0, -1.0, +1.0, +1.0) / textureSize.xyxy;\\n vec4 s;\\n s = decodeHDR(clampSample(texture, v_Texcoord + d.xy));\\n s += decodeHDR(clampSample(texture, v_Texcoord + d.zy));\\n s += decodeHDR(clampSample(texture, v_Texcoord + d.xw));\\n s += decodeHDR(clampSample(texture, v_Texcoord + d.zw));\\n gl_FragColor = encodeHDR(s / 4.0);\\n#endif\\n}\\n@end\";\n","export default \"@export clay.compositor.hdr.composite\\n#define TONEMAPPING\\nuniform sampler2D texture;\\n#ifdef BLOOM_ENABLED\\nuniform sampler2D bloom;\\n#endif\\n#ifdef LENSFLARE_ENABLED\\nuniform sampler2D lensflare;\\nuniform sampler2D lensdirt;\\n#endif\\n#ifdef LUM_ENABLED\\nuniform sampler2D lum;\\n#endif\\n#ifdef LUT_ENABLED\\nuniform sampler2D lut;\\n#endif\\n#ifdef COLOR_CORRECTION\\nuniform float brightness : 0.0;\\nuniform float contrast : 1.0;\\nuniform float saturation : 1.0;\\n#endif\\n#ifdef VIGNETTE\\nuniform float vignetteDarkness: 1.0;\\nuniform float vignetteOffset: 1.0;\\n#endif\\nuniform float exposure : 1.0;\\nuniform float bloomIntensity : 0.25;\\nuniform float lensflareIntensity : 1;\\nvarying vec2 v_Texcoord;\\n@import clay.util.srgb\\nvec3 ACESToneMapping(vec3 color)\\n{\\n const float A = 2.51;\\n const float B = 0.03;\\n const float C = 2.43;\\n const float D = 0.59;\\n const float E = 0.14;\\n return (color * (A * color + B)) / (color * (C * color + D) + E);\\n}\\nfloat eyeAdaption(float fLum)\\n{\\n return mix(0.2, fLum, 0.5);\\n}\\n#ifdef LUT_ENABLED\\nvec3 lutTransform(vec3 color) {\\n float blueColor = color.b * 63.0;\\n vec2 quad1;\\n quad1.y = floor(floor(blueColor) / 8.0);\\n quad1.x = floor(blueColor) - (quad1.y * 8.0);\\n vec2 quad2;\\n quad2.y = floor(ceil(blueColor) / 8.0);\\n quad2.x = ceil(blueColor) - (quad2.y * 8.0);\\n vec2 texPos1;\\n texPos1.x = (quad1.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * color.r);\\n texPos1.y = (quad1.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * color.g);\\n vec2 texPos2;\\n texPos2.x = (quad2.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * color.r);\\n texPos2.y = (quad2.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * color.g);\\n vec4 newColor1 = texture2D(lut, texPos1);\\n vec4 newColor2 = texture2D(lut, texPos2);\\n vec4 newColor = mix(newColor1, newColor2, fract(blueColor));\\n return newColor.rgb;\\n}\\n#endif\\n@import clay.util.rgbm\\nvoid main()\\n{\\n vec4 texel = vec4(0.0);\\n vec4 originalTexel = vec4(0.0);\\n#ifdef TEXTURE_ENABLED\\n texel = decodeHDR(texture2D(texture, v_Texcoord));\\n originalTexel = texel;\\n#endif\\n#ifdef BLOOM_ENABLED\\n vec4 bloomTexel = decodeHDR(texture2D(bloom, v_Texcoord));\\n texel.rgb += bloomTexel.rgb * bloomIntensity;\\n texel.a += bloomTexel.a * bloomIntensity;\\n#endif\\n#ifdef LENSFLARE_ENABLED\\n texel += decodeHDR(texture2D(lensflare, v_Texcoord)) * texture2D(lensdirt, v_Texcoord) * lensflareIntensity;\\n#endif\\n texel.a = min(texel.a, 1.0);\\n#ifdef LUM_ENABLED\\n float fLum = texture2D(lum, vec2(0.5, 0.5)).r;\\n float adaptedLumDest = 3.0 / (max(0.1, 1.0 + 10.0*eyeAdaption(fLum)));\\n float exposureBias = adaptedLumDest * exposure;\\n#else\\n float exposureBias = exposure;\\n#endif\\n#ifdef TONEMAPPING\\n texel.rgb *= exposureBias;\\n texel.rgb = ACESToneMapping(texel.rgb);\\n#endif\\n texel = linearTosRGB(texel);\\n#ifdef LUT_ENABLED\\n texel.rgb = lutTransform(clamp(texel.rgb,vec3(0.0),vec3(1.0)));\\n#endif\\n#ifdef COLOR_CORRECTION\\n texel.rgb = clamp(texel.rgb + vec3(brightness), 0.0, 1.0);\\n texel.rgb = clamp((texel.rgb - vec3(0.5))*contrast+vec3(0.5), 0.0, 1.0);\\n float lum = dot(texel.rgb, vec3(0.2125, 0.7154, 0.0721));\\n texel.rgb = mix(vec3(lum), texel.rgb, saturation);\\n#endif\\n#ifdef VIGNETTE\\n vec2 uv = (v_Texcoord - vec2(0.5)) * vec2(vignetteOffset);\\n texel.rgb = mix(texel.rgb, vec3(1.0 - vignetteDarkness), dot(uv, uv));\\n#endif\\n gl_FragColor = encodeHDR(texel);\\n#ifdef DEBUG\\n #if DEBUG == 1\\n gl_FragColor = encodeHDR(decodeHDR(texture2D(texture, v_Texcoord)));\\n #elif DEBUG == 2\\n gl_FragColor = encodeHDR(decodeHDR(texture2D(bloom, v_Texcoord)) * bloomIntensity);\\n #elif DEBUG == 3\\n gl_FragColor = encodeHDR(decodeHDR(texture2D(lensflare, v_Texcoord) * lensflareIntensity));\\n #endif\\n#endif\\n if (originalTexel.a <= 0.01 && gl_FragColor.a > 1e-5) {\\n gl_FragColor.a = dot(gl_FragColor.rgb, vec3(0.2125, 0.7154, 0.0721));\\n }\\n#ifdef PREMULTIPLY_ALPHA\\n gl_FragColor.rgb *= gl_FragColor.a;\\n#endif\\n}\\n@end\";\n","export default \"@export clay.compositor.blend\\n#define SHADER_NAME blend\\n#ifdef TEXTURE1_ENABLED\\nuniform sampler2D texture1;\\nuniform float weight1 : 1.0;\\n#endif\\n#ifdef TEXTURE2_ENABLED\\nuniform sampler2D texture2;\\nuniform float weight2 : 1.0;\\n#endif\\n#ifdef TEXTURE3_ENABLED\\nuniform sampler2D texture3;\\nuniform float weight3 : 1.0;\\n#endif\\n#ifdef TEXTURE4_ENABLED\\nuniform sampler2D texture4;\\nuniform float weight4 : 1.0;\\n#endif\\n#ifdef TEXTURE5_ENABLED\\nuniform sampler2D texture5;\\nuniform float weight5 : 1.0;\\n#endif\\n#ifdef TEXTURE6_ENABLED\\nuniform sampler2D texture6;\\nuniform float weight6 : 1.0;\\n#endif\\nvarying vec2 v_Texcoord;\\n@import clay.util.rgbm\\nvoid main()\\n{\\n vec4 tex = vec4(0.0);\\n#ifdef TEXTURE1_ENABLED\\n tex += decodeHDR(texture2D(texture1, v_Texcoord)) * weight1;\\n#endif\\n#ifdef TEXTURE2_ENABLED\\n tex += decodeHDR(texture2D(texture2, v_Texcoord)) * weight2;\\n#endif\\n#ifdef TEXTURE3_ENABLED\\n tex += decodeHDR(texture2D(texture3, v_Texcoord)) * weight3;\\n#endif\\n#ifdef TEXTURE4_ENABLED\\n tex += decodeHDR(texture2D(texture4, v_Texcoord)) * weight4;\\n#endif\\n#ifdef TEXTURE5_ENABLED\\n tex += decodeHDR(texture2D(texture5, v_Texcoord)) * weight5;\\n#endif\\n#ifdef TEXTURE6_ENABLED\\n tex += decodeHDR(texture2D(texture6, v_Texcoord)) * weight6;\\n#endif\\n gl_FragColor = encodeHDR(tex);\\n}\\n@end\";\n","export default \"@export clay.compositor.fxaa\\nuniform sampler2D texture;\\nuniform vec4 viewport : VIEWPORT;\\nvarying vec2 v_Texcoord;\\n#define FXAA_REDUCE_MIN (1.0/128.0)\\n#define FXAA_REDUCE_MUL (1.0/8.0)\\n#define FXAA_SPAN_MAX 8.0\\n@import clay.util.rgbm\\nvoid main()\\n{\\n vec2 resolution = 1.0 / viewport.zw;\\n vec3 rgbNW = decodeHDR( texture2D( texture, ( gl_FragCoord.xy + vec2( -1.0, -1.0 ) ) * resolution ) ).xyz;\\n vec3 rgbNE = decodeHDR( texture2D( texture, ( gl_FragCoord.xy + vec2( 1.0, -1.0 ) ) * resolution ) ).xyz;\\n vec3 rgbSW = decodeHDR( texture2D( texture, ( gl_FragCoord.xy + vec2( -1.0, 1.0 ) ) * resolution ) ).xyz;\\n vec3 rgbSE = decodeHDR( texture2D( texture, ( gl_FragCoord.xy + vec2( 1.0, 1.0 ) ) * resolution ) ).xyz;\\n vec4 rgbaM = decodeHDR( texture2D( texture, gl_FragCoord.xy * resolution ) );\\n vec3 rgbM = rgbaM.xyz;\\n float opacity = rgbaM.w;\\n vec3 luma = vec3( 0.299, 0.587, 0.114 );\\n float lumaNW = dot( rgbNW, luma );\\n float lumaNE = dot( rgbNE, luma );\\n float lumaSW = dot( rgbSW, luma );\\n float lumaSE = dot( rgbSE, luma );\\n float lumaM = dot( rgbM, luma );\\n float lumaMin = min( lumaM, min( min( lumaNW, lumaNE ), min( lumaSW, lumaSE ) ) );\\n float lumaMax = max( lumaM, max( max( lumaNW, lumaNE) , max( lumaSW, lumaSE ) ) );\\n vec2 dir;\\n dir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));\\n dir.y = ((lumaNW + lumaSW) - (lumaNE + lumaSE));\\n float dirReduce = max( ( lumaNW + lumaNE + lumaSW + lumaSE ) * ( 0.25 * FXAA_REDUCE_MUL ), FXAA_REDUCE_MIN );\\n float rcpDirMin = 1.0 / ( min( abs( dir.x ), abs( dir.y ) ) + dirReduce );\\n dir = min( vec2( FXAA_SPAN_MAX, FXAA_SPAN_MAX),\\n max( vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX),\\n dir * rcpDirMin)) * resolution;\\n vec3 rgbA = decodeHDR( texture2D( texture, gl_FragCoord.xy * resolution + dir * ( 1.0 / 3.0 - 0.5 ) ) ).xyz;\\n rgbA += decodeHDR( texture2D( texture, gl_FragCoord.xy * resolution + dir * ( 2.0 / 3.0 - 0.5 ) ) ).xyz;\\n rgbA *= 0.5;\\n vec3 rgbB = decodeHDR( texture2D( texture, gl_FragCoord.xy * resolution + dir * -0.5 ) ).xyz;\\n rgbB += decodeHDR( texture2D( texture, gl_FragCoord.xy * resolution + dir * 0.5 ) ).xyz;\\n rgbB *= 0.25;\\n rgbB += rgbA * 0.5;\\n float lumaB = dot( rgbB, luma );\\n if ( ( lumaB < lumaMin ) || ( lumaB > lumaMax ) )\\n {\\n gl_FragColor = vec4( rgbA, opacity );\\n }\\n else {\\n gl_FragColor = vec4( rgbB, opacity );\\n }\\n}\\n@end\";\n","import util from './core/util';\nimport Compositor from './compositor/Compositor';\nimport CompoSceneNode from './compositor/SceneNode';\nimport CompoTextureNode from './compositor/TextureNode';\nimport CompoFilterNode from './compositor/FilterNode';\nimport Shader from './Shader';\nimport Texture from './Texture';\nimport Texture2D from './Texture2D';\nimport TextureCube from './TextureCube';\n\nimport registerBuiltinCompositor from './shader/registerBuiltinCompositor';\n\nregisterBuiltinCompositor(Shader);\n\nvar shaderSourceReg = /^#source\\((.*?)\\)/;\n\n/**\n * @name clay.createCompositor\n * @function\n * @param {Object} json\n * @param {Object} [opts]\n * @return {clay.compositor.Compositor}\n */\nfunction createCompositor(json, opts) {\n    var compositor = new Compositor();\n    opts = opts || {};\n\n    var lib = {\n        textures: {},\n        parameters: {}\n    };\n    var afterLoad = function(shaderLib, textureLib) {\n        for (var i = 0; i < json.nodes.length; i++) {\n            var nodeInfo = json.nodes[i];\n            var node = createNode(nodeInfo, lib, opts);\n            if (node) {\n                compositor.addNode(node);\n            }\n        }\n    };\n\n    for (var name in json.parameters) {\n        var paramInfo = json.parameters[name];\n        lib.parameters[name] = convertParameter(paramInfo);\n    }\n    // TODO load texture asynchronous\n    loadTextures(json, lib, opts, function(textureLib) {\n        lib.textures = textureLib;\n        afterLoad();\n    });\n\n    return compositor;\n}\n\nfunction createNode(nodeInfo, lib, opts) {\n    var type = nodeInfo.type || 'filter';\n    var shaderSource;\n    var inputs;\n    var outputs;\n\n    if (type === 'filter') {\n        var shaderExp = nodeInfo.shader.trim();\n        var res = shaderSourceReg.exec(shaderExp);\n        if (res) {\n            shaderSource = Shader.source(res[1].trim());\n        }\n        else if (shaderExp.charAt(0) === '#') {\n            shaderSource = lib.shaders[shaderExp.substr(1)];\n        }\n        if (!shaderSource) {\n            shaderSource = shaderExp;\n        }\n        if (!shaderSource) {\n            return;\n        }\n    }\n\n    if (nodeInfo.inputs) {\n        inputs = {};\n        for (var name in nodeInfo.inputs) {\n            if (typeof nodeInfo.inputs[name] === 'string') {\n                inputs[name] = nodeInfo.inputs[name];\n            }\n            else {\n                inputs[name] = {\n                    node: nodeInfo.inputs[name].node,\n                    pin: nodeInfo.inputs[name].pin\n                };\n            }\n        }\n    }\n    if (nodeInfo.outputs) {\n        outputs = {};\n        for (var name in nodeInfo.outputs) {\n            var outputInfo = nodeInfo.outputs[name];\n            outputs[name] = {};\n            if (outputInfo.attachment != null) {\n                outputs[name].attachment = outputInfo.attachment;\n            }\n            if (outputInfo.keepLastFrame != null) {\n                outputs[name].keepLastFrame = outputInfo.keepLastFrame;\n            }\n            if (outputInfo.outputLastFrame != null) {\n                outputs[name].outputLastFrame = outputInfo.outputLastFrame;\n            }\n            if (outputInfo.parameters) {\n                outputs[name].parameters = convertParameter(outputInfo.parameters);\n            }\n        }\n    }\n    var node;\n    if (type === 'scene') {\n        node = new CompoSceneNode({\n            name: nodeInfo.name,\n            scene: opts.scene,\n            camera: opts.camera,\n            outputs: outputs\n        });\n    }\n    else if (type === 'texture') {\n        node = new CompoTextureNode({\n            name: nodeInfo.name,\n            outputs: outputs\n        });\n    }\n    // Default is filter\n    else {\n        node = new CompoFilterNode({\n            name: nodeInfo.name,\n            shader: shaderSource,\n            inputs: inputs,\n            outputs: outputs\n        });\n    }\n    if (node) {\n        if (nodeInfo.parameters) {\n            for (var name in nodeInfo.parameters) {\n                var val = nodeInfo.parameters[name];\n                if (typeof val === 'string') {\n                    val = val.trim();\n                    if (val.charAt(0) === '#') {\n                        val = lib.textures[val.substr(1)];\n                    }\n                    else {\n                        node.on(\n                            'beforerender', createSizeSetHandler(\n                                name, tryConvertExpr(val)\n                            )\n                        );\n                    }\n                }\n                else if (typeof val === 'function') {\n                    node.on('beforerender', val);\n                }\n                node.setParameter(name, val);\n            }\n        }\n        if (nodeInfo.defines && node.pass) {\n            for (var name in nodeInfo.defines) {\n                var val = nodeInfo.defines[name];\n                node.pass.material.define('fragment', name, val);\n            }\n        }\n    }\n    return node;\n}\n\nfunction defaultWidthFunc(width, height) {\n    return width;\n}\nfunction defaultHeightFunc(width, height) {\n    return height;\n}\n\nfunction convertParameter(paramInfo) {\n    var param = {};\n    if (!paramInfo) {\n        return param;\n    }\n    ['type', 'minFilter', 'magFilter', 'wrapS', 'wrapT', 'flipY', 'useMipmap']\n        .forEach(function(name) {\n            var val = paramInfo[name];\n            if (val != null) {\n                // Convert string to enum\n                if (typeof val === 'string') {\n                    val = Texture[val];\n                }\n                param[name] = val;\n            }\n        });\n\n    var sizeScale = paramInfo.scale || 1;\n    ['width', 'height']\n        .forEach(function(name) {\n            if (paramInfo[name] != null) {\n                var val = paramInfo[name];\n                if (typeof val === 'string') {\n                    val = val.trim();\n                    param[name] = createSizeParser(\n                        name, tryConvertExpr(val), sizeScale\n                    );\n                }\n                else {\n                    param[name] = val;\n                }\n            }\n        });\n    if (!param.width) {\n        param.width = defaultWidthFunc;\n    }\n    if (!param.height) {\n        param.height = defaultHeightFunc;\n    }\n\n    if (paramInfo.useMipmap != null) {\n        param.useMipmap = paramInfo.useMipmap;\n    }\n    return param;\n}\n\nfunction loadTextures(json, lib, opts, callback) {\n    if (!json.textures) {\n        callback({});\n        return;\n    }\n    var textures = {};\n    var loading = 0;\n\n    var cbd = false;\n    var textureRootPath = opts.textureRootPath;\n    util.each(json.textures, function(textureInfo, name) {\n        var texture;\n        var path = textureInfo.path;\n        var parameters = convertParameter(textureInfo.parameters);\n        if (Array.isArray(path) && path.length === 6) {\n            if (textureRootPath) {\n                path = path.map(function(item) {\n                    return util.relative2absolute(item, textureRootPath);\n                });\n            }\n            texture = new TextureCube(parameters);\n        }\n        else if(typeof path === 'string') {\n            if (textureRootPath) {\n                path = util.relative2absolute(path, textureRootPath);\n            }\n            texture = new Texture2D(parameters);\n        }\n        else {\n            return;\n        }\n\n        texture.load(path);\n        loading++;\n        texture.once('success', function() {\n            textures[name] = texture;\n            loading--;\n            if (loading === 0) {\n                callback(textures);\n                cbd = true;\n            }\n        });\n    });\n\n    if (loading === 0 && !cbd) {\n        callback(textures);\n    }\n}\n\nfunction createSizeSetHandler(name, exprFunc) {\n    return function (renderer) {\n        // PENDING viewport size or window size\n        var dpr = renderer.getDevicePixelRatio();\n        // PENDING If multiply dpr ?\n        var width = renderer.getWidth();\n        var height = renderer.getHeight();\n        var result = exprFunc(width, height, dpr);\n        this.setParameter(name, result);\n    };\n}\n\nfunction createSizeParser(name, exprFunc, scale) {\n    scale = scale || 1;\n    return function (renderer) {\n        var dpr = renderer.getDevicePixelRatio();\n        var width = renderer.getWidth() * scale;\n        var height = renderer.getHeight() * scale;\n        return exprFunc(width, height, dpr);\n    };\n}\n\nfunction tryConvertExpr(string) {\n    // PENDING\n    var exprRes = /^expr\\((.*)\\)$/.exec(string);\n    if (exprRes) {\n        try {\n            var func = new Function('width', 'height', 'dpr', 'return ' + exprRes[1]);\n            // Try run t\n            func(1, 1);\n\n            return func;\n        }\n        catch (e) {\n            throw new Error('Invalid expression.');\n        }\n    }\n}\n\nexport default createCompositor;\n","export default \"@export clay.compositor.coloradjust\\nvarying vec2 v_Texcoord;\\nuniform sampler2D texture;\\nuniform float brightness : 0.0;\\nuniform float contrast : 1.0;\\nuniform float exposure : 0.0;\\nuniform float gamma : 1.0;\\nuniform float saturation : 1.0;\\nconst vec3 w = vec3(0.2125, 0.7154, 0.0721);\\nvoid main()\\n{\\n vec4 tex = texture2D( texture, v_Texcoord);\\n vec3 color = clamp(tex.rgb + vec3(brightness), 0.0, 1.0);\\n color = clamp( (color-vec3(0.5))*contrast+vec3(0.5), 0.0, 1.0);\\n color = clamp( color * pow(2.0, exposure), 0.0, 1.0);\\n color = clamp( pow(color, vec3(gamma)), 0.0, 1.0);\\n float luminance = dot( color, w );\\n color = mix(vec3(luminance), color, saturation);\\n gl_FragColor = vec4(color, tex.a);\\n}\\n@end\\n@export clay.compositor.brightness\\nvarying vec2 v_Texcoord;\\nuniform sampler2D texture;\\nuniform float brightness : 0.0;\\nvoid main()\\n{\\n vec4 tex = texture2D( texture, v_Texcoord);\\n vec3 color = tex.rgb + vec3(brightness);\\n gl_FragColor = vec4(color, tex.a);\\n}\\n@end\\n@export clay.compositor.contrast\\nvarying vec2 v_Texcoord;\\nuniform sampler2D texture;\\nuniform float contrast : 1.0;\\nvoid main()\\n{\\n vec4 tex = texture2D( texture, v_Texcoord);\\n vec3 color = (tex.rgb-vec3(0.5))*contrast+vec3(0.5);\\n gl_FragColor = vec4(color, tex.a);\\n}\\n@end\\n@export clay.compositor.exposure\\nvarying vec2 v_Texcoord;\\nuniform sampler2D texture;\\nuniform float exposure : 0.0;\\nvoid main()\\n{\\n vec4 tex = texture2D(texture, v_Texcoord);\\n vec3 color = tex.rgb * pow(2.0, exposure);\\n gl_FragColor = vec4(color, tex.a);\\n}\\n@end\\n@export clay.compositor.gamma\\nvarying vec2 v_Texcoord;\\nuniform sampler2D texture;\\nuniform float gamma : 1.0;\\nvoid main()\\n{\\n vec4 tex = texture2D(texture, v_Texcoord);\\n vec3 color = pow(tex.rgb, vec3(gamma));\\n gl_FragColor = vec4(color, tex.a);\\n}\\n@end\\n@export clay.compositor.saturation\\nvarying vec2 v_Texcoord;\\nuniform sampler2D texture;\\nuniform float saturation : 1.0;\\nconst vec3 w = vec3(0.2125, 0.7154, 0.0721);\\nvoid main()\\n{\\n vec4 tex = texture2D(texture, v_Texcoord);\\n vec3 color = tex.rgb;\\n float luminance = dot(color, w);\\n color = mix(vec3(luminance), color, saturation);\\n gl_FragColor = vec4(color, tex.a);\\n}\\n@end\";\n","export default \"@export clay.compositor.hdr.log_lum\\nvarying vec2 v_Texcoord;\\nuniform sampler2D texture;\\nconst vec3 w = vec3(0.2125, 0.7154, 0.0721);\\n@import clay.util.rgbm\\nvoid main()\\n{\\n vec4 tex = decodeHDR(texture2D(texture, v_Texcoord));\\n float luminance = dot(tex.rgb, w);\\n luminance = log(luminance + 0.001);\\n gl_FragColor = encodeHDR(vec4(vec3(luminance), 1.0));\\n}\\n@end\\n@export clay.compositor.hdr.lum_adaption\\nvarying vec2 v_Texcoord;\\nuniform sampler2D adaptedLum;\\nuniform sampler2D currentLum;\\nuniform float frameTime : 0.02;\\n@import clay.util.rgbm\\nvoid main()\\n{\\n float fAdaptedLum = decodeHDR(texture2D(adaptedLum, vec2(0.5, 0.5))).r;\\n float fCurrentLum = exp(encodeHDR(texture2D(currentLum, vec2(0.5, 0.5))).r);\\n fAdaptedLum += (fCurrentLum - fAdaptedLum) * (1.0 - pow(0.98, 30.0 * frameTime));\\n gl_FragColor = encodeHDR(vec4(vec3(fAdaptedLum), 1.0));\\n}\\n@end\\n@export clay.compositor.lum\\nvarying vec2 v_Texcoord;\\nuniform sampler2D texture;\\nconst vec3 w = vec3(0.2125, 0.7154, 0.0721);\\nvoid main()\\n{\\n vec4 tex = texture2D( texture, v_Texcoord );\\n float luminance = dot(tex.rgb, w);\\n gl_FragColor = vec4(vec3(luminance), 1.0);\\n}\\n@end\";\n","export default \"@export clay.compositor.vignette\\n#define OUTPUT_ALPHA\\nvarying vec2 v_Texcoord;\\nuniform sampler2D texture;\\nuniform float darkness: 1;\\nuniform float offset: 1;\\n@import clay.util.rgbm\\nvoid main()\\n{\\n vec4 texel = decodeHDR(texture2D(texture, v_Texcoord));\\n gl_FragColor.rgb = texel.rgb;\\n vec2 uv = (v_Texcoord - vec2(0.5)) * vec2(offset);\\n gl_FragColor = encodeHDR(vec4(mix(texel.rgb, vec3(1.0 - darkness), dot(uv, uv)), texel.a));\\n}\\n@end\";\n","export default \"@export clay.compositor.lensflare\\n#define SAMPLE_NUMBER 8\\nuniform sampler2D texture;\\nuniform sampler2D lenscolor;\\nuniform vec2 textureSize : [512, 512];\\nuniform float dispersal : 0.3;\\nuniform float haloWidth : 0.4;\\nuniform float distortion : 1.0;\\nvarying vec2 v_Texcoord;\\n@import clay.util.rgbm\\nvec4 textureDistorted(\\n in vec2 texcoord,\\n in vec2 direction,\\n in vec3 distortion\\n) {\\n return vec4(\\n decodeHDR(texture2D(texture, texcoord + direction * distortion.r)).r,\\n decodeHDR(texture2D(texture, texcoord + direction * distortion.g)).g,\\n decodeHDR(texture2D(texture, texcoord + direction * distortion.b)).b,\\n 1.0\\n );\\n}\\nvoid main()\\n{\\n vec2 texcoord = -v_Texcoord + vec2(1.0); vec2 textureOffset = 1.0 / textureSize;\\n vec2 ghostVec = (vec2(0.5) - texcoord) * dispersal;\\n vec2 haloVec = normalize(ghostVec) * haloWidth;\\n vec3 distortion = vec3(-textureOffset.x * distortion, 0.0, textureOffset.x * distortion);\\n vec4 result = vec4(0.0);\\n for (int i = 0; i < SAMPLE_NUMBER; i++)\\n {\\n vec2 offset = fract(texcoord + ghostVec * float(i));\\n float weight = length(vec2(0.5) - offset) / length(vec2(0.5));\\n weight = pow(1.0 - weight, 10.0);\\n result += textureDistorted(offset, normalize(ghostVec), distortion) * weight;\\n }\\n result *= texture2D(lenscolor, vec2(length(vec2(0.5) - texcoord)) / length(vec2(0.5)));\\n float weight = length(vec2(0.5) - fract(texcoord + haloVec)) / length(vec2(0.5));\\n weight = pow(1.0 - weight, 10.0);\\n vec2 offset = fract(texcoord + haloVec);\\n result += textureDistorted(offset, normalize(ghostVec), distortion) * weight;\\n gl_FragColor = result;\\n}\\n@end\";\n","// Generate halton sequence\n// https://en.wikipedia.org/wiki/Halton_sequence\nfunction halton(index, base) {\n  var result = 0;\n  var f = 1 / base;\n  var i = index;\n\n  while (i > 0) {\n    result = result + f * (i % base);\n    i = Math.floor(i / base);\n    f = f / base;\n  }\n\n  return result;\n}\n\nexport default halton;","import Matrix4 from 'claygl/src/math/Matrix4';\nimport Vector3 from 'claygl/src/math/Vector3';\nimport Texture2D from 'claygl/src/Texture2D';\nimport Texture from 'claygl/src/Texture';\nimport Pass from 'claygl/src/compositor/Pass';\nimport Shader from 'claygl/src/Shader';\nimport FrameBuffer from 'claygl/src/FrameBuffer';\nimport halton from './halton';\nimport SSAOGLSL from './SSAO.glsl.js';\nShader.import(SSAOGLSL);\n\nfunction generateNoiseData(size) {\n  var data = new Uint8Array(size * size * 4);\n  var n = 0;\n  var v3 = new Vector3();\n\n  for (var i = 0; i < size; i++) {\n    for (var j = 0; j < size; j++) {\n      v3.set(Math.random() * 2 - 1, Math.random() * 2 - 1, 0).normalize();\n      data[n++] = (v3.x * 0.5 + 0.5) * 255;\n      data[n++] = (v3.y * 0.5 + 0.5) * 255;\n      data[n++] = 0;\n      data[n++] = 255;\n    }\n  }\n\n  return data;\n}\n\nfunction generateNoiseTexture(size) {\n  return new Texture2D({\n    pixels: generateNoiseData(size),\n    wrapS: Texture.REPEAT,\n    wrapT: Texture.REPEAT,\n    width: size,\n    height: size\n  });\n}\n\nfunction generateKernel(size, offset, hemisphere) {\n  var kernel = new Float32Array(size * 3);\n  offset = offset || 0;\n\n  for (var i = 0; i < size; i++) {\n    var phi = halton(i + offset, 2) * (hemisphere ? 1 : 2) * Math.PI;\n    var theta = halton(i + offset, 3) * Math.PI;\n    var r = Math.random();\n    var x = Math.cos(phi) * Math.sin(theta) * r;\n    var y = Math.cos(theta) * r;\n    var z = Math.sin(phi) * Math.sin(theta) * r;\n    kernel[i * 3] = x;\n    kernel[i * 3 + 1] = y;\n    kernel[i * 3 + 2] = z;\n  }\n\n  return kernel; // var kernel = new Float32Array(size * 3);\n  // var v3 = new Vector3();\n  // for (var i = 0; i < size; i++) {\n  //     v3.set(Math.random() * 2 - 1, Math.random() * 2 - 1, Math.random())\n  //         .normalize().scale(Math.random());\n  //     kernel[i * 3] = v3.x;\n  //     kernel[i * 3 + 1] = v3.y;\n  //     kernel[i * 3 + 2] = v3.z;\n  // }\n  // return kernel;\n}\n\nfunction SSAOPass(opt) {\n  opt = opt || {};\n  this._ssaoPass = new Pass({\n    fragment: Shader.source('ecgl.ssao.estimate')\n  });\n  this._blurPass = new Pass({\n    fragment: Shader.source('ecgl.ssao.blur')\n  });\n  this._framebuffer = new FrameBuffer({\n    depthBuffer: false\n  });\n  this._ssaoTexture = new Texture2D();\n  this._blurTexture = new Texture2D();\n  this._blurTexture2 = new Texture2D();\n  this._depthTex = opt.depthTexture;\n  this._normalTex = opt.normalTexture;\n  this.setNoiseSize(4);\n  this.setKernelSize(opt.kernelSize || 12);\n\n  if (opt.radius != null) {\n    this.setParameter('radius', opt.radius);\n  }\n\n  if (opt.power != null) {\n    this.setParameter('power', opt.power);\n  }\n\n  if (!this._normalTex) {\n    this._ssaoPass.material.disableTexture('normalTex');\n\n    this._blurPass.material.disableTexture('normalTex');\n  }\n\n  if (!this._depthTex) {\n    this._blurPass.material.disableTexture('depthTex');\n  }\n\n  this._blurPass.material.setUniform('normalTex', this._normalTex);\n\n  this._blurPass.material.setUniform('depthTex', this._depthTex);\n}\n\nSSAOPass.prototype.setDepthTexture = function (depthTex) {\n  this._depthTex = depthTex;\n};\n\nSSAOPass.prototype.setNormalTexture = function (normalTex) {\n  this._normalTex = normalTex;\n\n  this._ssaoPass.material[normalTex ? 'enableTexture' : 'disableTexture']('normalTex'); // Switch between hemisphere and shere kernel.\n\n\n  this.setKernelSize(this._kernelSize);\n};\n\nSSAOPass.prototype.update = function (renderer, camera, frame) {\n  var width = renderer.getWidth();\n  var height = renderer.getHeight();\n  var ssaoPass = this._ssaoPass;\n  var blurPass = this._blurPass;\n  ssaoPass.setUniform('kernel', this._kernels[frame % this._kernels.length]);\n  ssaoPass.setUniform('depthTex', this._depthTex);\n\n  if (this._normalTex != null) {\n    ssaoPass.setUniform('normalTex', this._normalTex);\n  }\n\n  ssaoPass.setUniform('depthTexSize', [this._depthTex.width, this._depthTex.height]);\n  var viewInverseTranspose = new Matrix4();\n  Matrix4.transpose(viewInverseTranspose, camera.worldTransform);\n  ssaoPass.setUniform('projection', camera.projectionMatrix.array);\n  ssaoPass.setUniform('projectionInv', camera.invProjectionMatrix.array);\n  ssaoPass.setUniform('viewInverseTranspose', viewInverseTranspose.array);\n  var ssaoTexture = this._ssaoTexture;\n  var blurTexture = this._blurTexture;\n  var blurTexture2 = this._blurTexture2;\n  ssaoTexture.width = width / 2;\n  ssaoTexture.height = height / 2;\n  blurTexture.width = width;\n  blurTexture.height = height;\n  blurTexture2.width = width;\n  blurTexture2.height = height;\n\n  this._framebuffer.attach(ssaoTexture);\n\n  this._framebuffer.bind(renderer);\n\n  renderer.gl.clearColor(1, 1, 1, 1);\n  renderer.gl.clear(renderer.gl.COLOR_BUFFER_BIT);\n  ssaoPass.render(renderer);\n  blurPass.setUniform('textureSize', [width / 2, height / 2]);\n  blurPass.setUniform('projection', camera.projectionMatrix.array);\n\n  this._framebuffer.attach(blurTexture);\n\n  blurPass.setUniform('direction', 0);\n  blurPass.setUniform('ssaoTexture', ssaoTexture);\n  blurPass.render(renderer);\n\n  this._framebuffer.attach(blurTexture2);\n\n  blurPass.setUniform('textureSize', [width, height]);\n  blurPass.setUniform('direction', 1);\n  blurPass.setUniform('ssaoTexture', blurTexture);\n  blurPass.render(renderer);\n\n  this._framebuffer.unbind(renderer); // Restore clear\n\n\n  var clearColor = renderer.clearColor;\n  renderer.gl.clearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[3]);\n};\n\nSSAOPass.prototype.getTargetTexture = function () {\n  return this._blurTexture2;\n};\n\nSSAOPass.prototype.setParameter = function (name, val) {\n  if (name === 'noiseTexSize') {\n    this.setNoiseSize(val);\n  } else if (name === 'kernelSize') {\n    this.setKernelSize(val);\n  } else if (name === 'intensity') {\n    this._ssaoPass.material.set('intensity', val);\n  } else {\n    this._ssaoPass.setUniform(name, val);\n  }\n};\n\nSSAOPass.prototype.setKernelSize = function (size) {\n  this._kernelSize = size;\n\n  this._ssaoPass.material.define('fragment', 'KERNEL_SIZE', size);\n\n  this._kernels = this._kernels || [];\n\n  for (var i = 0; i < 30; i++) {\n    this._kernels[i] = generateKernel(size, i * size, !!this._normalTex);\n  }\n};\n\nSSAOPass.prototype.setNoiseSize = function (size) {\n  var texture = this._ssaoPass.getUniform('noiseTex');\n\n  if (!texture) {\n    texture = generateNoiseTexture(size);\n\n    this._ssaoPass.setUniform('noiseTex', generateNoiseTexture(size));\n  } else {\n    texture.data = generateNoiseData(size);\n    texture.width = texture.height = size;\n    texture.dirty();\n  }\n\n  this._ssaoPass.setUniform('noiseTexSize', [size, size]);\n};\n\nSSAOPass.prototype.dispose = function (renderer) {\n  this._blurTexture.dispose(renderer);\n\n  this._ssaoTexture.dispose(renderer);\n\n  this._blurTexture2.dispose(renderer);\n};\n\nexport default SSAOPass;","export default \"@export ecgl.ssao.estimate\\n\\nuniform sampler2D depthTex;\\n\\nuniform sampler2D normalTex;\\n\\nuniform sampler2D noiseTex;\\n\\nuniform vec2 depthTexSize;\\n\\nuniform vec2 noiseTexSize;\\n\\nuniform mat4 projection;\\n\\nuniform mat4 projectionInv;\\n\\nuniform mat4 viewInverseTranspose;\\n\\nuniform vec3 kernel[KERNEL_SIZE];\\n\\nuniform float radius : 1;\\n\\nuniform float power : 1;\\n\\nuniform float bias: 1e-2;\\n\\nuniform float intensity: 1.0;\\n\\nvarying vec2 v_Texcoord;\\n\\nfloat ssaoEstimator(in vec3 originPos, in mat3 kernelBasis) {\\n float occlusion = 0.0;\\n\\n for (int i = 0; i < KERNEL_SIZE; i++) {\\n vec3 samplePos = kernel[i];\\n#ifdef NORMALTEX_ENABLED\\n samplePos = kernelBasis * samplePos;\\n#endif\\n samplePos = samplePos * radius + originPos;\\n\\n vec4 texCoord = projection * vec4(samplePos, 1.0);\\n texCoord.xy /= texCoord.w;\\n\\n vec4 depthTexel = texture2D(depthTex, texCoord.xy * 0.5 + 0.5);\\n\\n float sampleDepth = depthTexel.r * 2.0 - 1.0;\\n if (projection[3][3] == 0.0) {\\n sampleDepth = projection[3][2] / (sampleDepth * projection[2][3] - projection[2][2]);\\n }\\n else {\\n sampleDepth = (sampleDepth - projection[3][2]) / projection[2][2];\\n }\\n \\n float rangeCheck = smoothstep(0.0, 1.0, radius / abs(originPos.z - sampleDepth));\\n occlusion += rangeCheck * step(samplePos.z, sampleDepth - bias);\\n }\\n#ifdef NORMALTEX_ENABLED\\n occlusion = 1.0 - occlusion / float(KERNEL_SIZE);\\n#else\\n occlusion = 1.0 - clamp((occlusion / float(KERNEL_SIZE) - 0.6) * 2.5, 0.0, 1.0);\\n#endif\\n return pow(occlusion, power);\\n}\\n\\nvoid main()\\n{\\n\\n vec4 depthTexel = texture2D(depthTex, v_Texcoord);\\n\\n#ifdef NORMALTEX_ENABLED\\n vec4 tex = texture2D(normalTex, v_Texcoord);\\n if (dot(tex.rgb, tex.rgb) == 0.0) {\\n gl_FragColor = vec4(1.0);\\n return;\\n }\\n vec3 N = tex.rgb * 2.0 - 1.0;\\n N = (viewInverseTranspose * vec4(N, 0.0)).xyz;\\n\\n vec2 noiseTexCoord = depthTexSize / vec2(noiseTexSize) * v_Texcoord;\\n vec3 rvec = texture2D(noiseTex, noiseTexCoord).rgb * 2.0 - 1.0;\\n vec3 T = normalize(rvec - N * dot(rvec, N));\\n vec3 BT = normalize(cross(N, T));\\n mat3 kernelBasis = mat3(T, BT, N);\\n#else\\n if (depthTexel.r > 0.99999) {\\n gl_FragColor = vec4(1.0);\\n return;\\n }\\n mat3 kernelBasis;\\n#endif\\n\\n float z = depthTexel.r * 2.0 - 1.0;\\n\\n vec4 projectedPos = vec4(v_Texcoord * 2.0 - 1.0, z, 1.0);\\n vec4 p4 = projectionInv * projectedPos;\\n\\n vec3 position = p4.xyz / p4.w;\\n\\n float ao = ssaoEstimator(position, kernelBasis);\\n ao = clamp(1.0 - (1.0 - ao) * intensity, 0.0, 1.0);\\n gl_FragColor = vec4(vec3(ao), 1.0);\\n}\\n\\n@end\\n\\n\\n@export ecgl.ssao.blur\\n#define SHADER_NAME SSAO_BLUR\\n\\nuniform sampler2D ssaoTexture;\\n\\n#ifdef NORMALTEX_ENABLED\\nuniform sampler2D normalTex;\\n#endif\\n\\nvarying vec2 v_Texcoord;\\n\\nuniform vec2 textureSize;\\nuniform float blurSize : 1.0;\\n\\nuniform int direction: 0.0;\\n\\n#ifdef DEPTHTEX_ENABLED\\nuniform sampler2D depthTex;\\nuniform mat4 projection;\\nuniform float depthRange : 0.5;\\n\\nfloat getLinearDepth(vec2 coord)\\n{\\n float depth = texture2D(depthTex, coord).r * 2.0 - 1.0;\\n return projection[3][2] / (depth * projection[2][3] - projection[2][2]);\\n}\\n#endif\\n\\nvoid main()\\n{\\n float kernel[5];\\n kernel[0] = 0.122581;\\n kernel[1] = 0.233062;\\n kernel[2] = 0.288713;\\n kernel[3] = 0.233062;\\n kernel[4] = 0.122581;\\n\\n vec2 off = vec2(0.0);\\n if (direction == 0) {\\n off[0] = blurSize / textureSize.x;\\n }\\n else {\\n off[1] = blurSize / textureSize.y;\\n }\\n\\n vec2 coord = v_Texcoord;\\n\\n float sum = 0.0;\\n float weightAll = 0.0;\\n\\n#ifdef NORMALTEX_ENABLED\\n vec3 centerNormal = texture2D(normalTex, v_Texcoord).rgb * 2.0 - 1.0;\\n#endif\\n#if defined(DEPTHTEX_ENABLED)\\n float centerDepth = getLinearDepth(v_Texcoord);\\n#endif\\n\\n for (int i = 0; i < 5; i++) {\\n vec2 coord = clamp(v_Texcoord + vec2(float(i) - 2.0) * off, vec2(0.0), vec2(1.0));\\n\\n float w = kernel[i];\\n#ifdef NORMALTEX_ENABLED\\n vec3 normal = texture2D(normalTex, coord).rgb * 2.0 - 1.0;\\n w *= clamp(dot(normal, centerNormal), 0.0, 1.0);\\n#endif\\n#ifdef DEPTHTEX_ENABLED\\n float d = getLinearDepth(coord);\\n w *= (1.0 - smoothstep(abs(centerDepth - d) / depthRange, 0.0, 1.0));\\n#endif\\n\\n weightAll += w;\\n sum += texture2D(ssaoTexture, coord).r * w;\\n }\\n\\n gl_FragColor = vec4(vec3(sum / weightAll), 1.0);\\n}\\n\\n@end\\n\";","import Matrix4 from 'claygl/src/math/Matrix4';\nimport Vector3 from 'claygl/src/math/Vector3';\nimport Texture2D from 'claygl/src/Texture2D';\nimport Texture from 'claygl/src/Texture';\nimport Pass from 'claygl/src/compositor/Pass';\nimport Shader from 'claygl/src/Shader';\nimport FrameBuffer from 'claygl/src/FrameBuffer';\nimport halton from './halton';\nimport cubemapUtil from 'claygl/src/util/cubemap';\nimport SSRGLSLCode from './SSR.glsl.js';\nShader.import(SSRGLSLCode);\n\nfunction SSRPass(opt) {\n  opt = opt || {};\n  this._ssrPass = new Pass({\n    fragment: Shader.source('ecgl.ssr.main'),\n    clearColor: [0, 0, 0, 0]\n  });\n  this._blurPass1 = new Pass({\n    fragment: Shader.source('ecgl.ssr.blur'),\n    clearColor: [0, 0, 0, 0]\n  });\n  this._blurPass2 = new Pass({\n    fragment: Shader.source('ecgl.ssr.blur'),\n    clearColor: [0, 0, 0, 0]\n  });\n  this._blendPass = new Pass({\n    fragment: Shader.source('clay.compositor.blend')\n  });\n\n  this._blendPass.material.disableTexturesAll();\n\n  this._blendPass.material.enableTexture(['texture1', 'texture2']);\n\n  this._ssrPass.setUniform('gBufferTexture1', opt.normalTexture);\n\n  this._ssrPass.setUniform('gBufferTexture2', opt.depthTexture); // this._ssrPass.setUniform('gBufferTexture3', opt.albedoTexture);\n\n\n  this._blurPass1.setUniform('gBufferTexture1', opt.normalTexture);\n\n  this._blurPass1.setUniform('gBufferTexture2', opt.depthTexture);\n\n  this._blurPass2.setUniform('gBufferTexture1', opt.normalTexture);\n\n  this._blurPass2.setUniform('gBufferTexture2', opt.depthTexture);\n\n  this._blurPass2.material.define('fragment', 'VERTICAL');\n\n  this._blurPass2.material.define('fragment', 'BLEND');\n\n  this._ssrTexture = new Texture2D({\n    type: Texture.HALF_FLOAT\n  });\n  this._texture2 = new Texture2D({\n    type: Texture.HALF_FLOAT\n  });\n  this._texture3 = new Texture2D({\n    type: Texture.HALF_FLOAT\n  });\n  this._prevTexture = new Texture2D({\n    type: Texture.HALF_FLOAT\n  });\n  this._currentTexture = new Texture2D({\n    type: Texture.HALF_FLOAT\n  });\n  this._frameBuffer = new FrameBuffer({\n    depthBuffer: false\n  });\n  this._normalDistribution = null;\n  this._totalSamples = 256;\n  this._samplePerFrame = 4;\n\n  this._ssrPass.material.define('fragment', 'SAMPLE_PER_FRAME', this._samplePerFrame);\n\n  this._ssrPass.material.define('fragment', 'TOTAL_SAMPLES', this._totalSamples);\n\n  this._downScale = 1;\n}\n\nSSRPass.prototype.setAmbientCubemap = function (specularCubemap, specularIntensity) {\n  this._ssrPass.material.set('specularCubemap', specularCubemap);\n\n  this._ssrPass.material.set('specularIntensity', specularIntensity);\n\n  var enableSpecularMap = specularCubemap && specularIntensity;\n\n  this._ssrPass.material[enableSpecularMap ? 'enableTexture' : 'disableTexture']('specularCubemap');\n};\n\nSSRPass.prototype.update = function (renderer, camera, sourceTexture, frame) {\n  var width = renderer.getWidth();\n  var height = renderer.getHeight();\n  var ssrTexture = this._ssrTexture;\n  var texture2 = this._texture2;\n  var texture3 = this._texture3;\n  ssrTexture.width = this._prevTexture.width = this._currentTexture.width = width / this._downScale;\n  ssrTexture.height = this._prevTexture.height = this._currentTexture.height = height / this._downScale;\n  texture2.width = texture3.width = width;\n  texture2.height = texture3.height = height;\n  var frameBuffer = this._frameBuffer;\n  var ssrPass = this._ssrPass;\n  var blurPass1 = this._blurPass1;\n  var blurPass2 = this._blurPass2;\n  var blendPass = this._blendPass;\n  var toViewSpace = new Matrix4();\n  var toWorldSpace = new Matrix4();\n  Matrix4.transpose(toViewSpace, camera.worldTransform);\n  Matrix4.transpose(toWorldSpace, camera.viewMatrix);\n  ssrPass.setUniform('sourceTexture', sourceTexture);\n  ssrPass.setUniform('projection', camera.projectionMatrix.array);\n  ssrPass.setUniform('projectionInv', camera.invProjectionMatrix.array);\n  ssrPass.setUniform('toViewSpace', toViewSpace.array);\n  ssrPass.setUniform('toWorldSpace', toWorldSpace.array);\n  ssrPass.setUniform('nearZ', camera.near);\n  var percent = frame / this._totalSamples * this._samplePerFrame;\n  ssrPass.setUniform('jitterOffset', percent);\n  ssrPass.setUniform('sampleOffset', frame * this._samplePerFrame);\n  blurPass1.setUniform('textureSize', [ssrTexture.width, ssrTexture.height]);\n  blurPass2.setUniform('textureSize', [width, height]);\n  blurPass2.setUniform('sourceTexture', sourceTexture);\n  blurPass1.setUniform('projection', camera.projectionMatrix.array);\n  blurPass2.setUniform('projection', camera.projectionMatrix.array);\n  frameBuffer.attach(ssrTexture);\n  frameBuffer.bind(renderer);\n  ssrPass.render(renderer);\n\n  if (this._physicallyCorrect) {\n    frameBuffer.attach(this._currentTexture);\n    blendPass.setUniform('texture1', this._prevTexture);\n    blendPass.setUniform('texture2', ssrTexture);\n    blendPass.material.set({\n      'weight1': frame >= 1 ? 0.95 : 0,\n      'weight2': frame >= 1 ? 0.05 : 1 // weight1: frame >= 1 ? 1 : 0,\n      // weight2: 1\n\n    });\n    blendPass.render(renderer);\n  }\n\n  frameBuffer.attach(texture2);\n  blurPass1.setUniform('texture', this._physicallyCorrect ? this._currentTexture : ssrTexture);\n  blurPass1.render(renderer);\n  frameBuffer.attach(texture3);\n  blurPass2.setUniform('texture', texture2);\n  blurPass2.render(renderer);\n  frameBuffer.unbind(renderer);\n\n  if (this._physicallyCorrect) {\n    var tmp = this._prevTexture;\n    this._prevTexture = this._currentTexture;\n    this._currentTexture = tmp;\n  }\n};\n\nSSRPass.prototype.getTargetTexture = function () {\n  return this._texture3;\n};\n\nSSRPass.prototype.setParameter = function (name, val) {\n  if (name === 'maxIteration') {\n    this._ssrPass.material.define('fragment', 'MAX_ITERATION', val);\n  } else {\n    this._ssrPass.setUniform(name, val);\n  }\n};\n\nSSRPass.prototype.setPhysicallyCorrect = function (isPhysicallyCorrect) {\n  if (isPhysicallyCorrect) {\n    if (!this._normalDistribution) {\n      this._normalDistribution = cubemapUtil.generateNormalDistribution(64, this._totalSamples);\n    }\n\n    this._ssrPass.material.define('fragment', 'PHYSICALLY_CORRECT');\n\n    this._ssrPass.material.set('normalDistribution', this._normalDistribution);\n\n    this._ssrPass.material.set('normalDistributionSize', [64, this._totalSamples]);\n  } else {\n    this._ssrPass.material.undefine('fragment', 'PHYSICALLY_CORRECT');\n  }\n\n  this._physicallyCorrect = isPhysicallyCorrect;\n};\n\nSSRPass.prototype.setSSAOTexture = function (texture) {\n  var blendPass = this._blurPass2;\n\n  if (texture) {\n    blendPass.material.enableTexture('ssaoTex');\n    blendPass.material.set('ssaoTex', texture);\n  } else {\n    blendPass.material.disableTexture('ssaoTex');\n  }\n};\n\nSSRPass.prototype.isFinished = function (frame) {\n  if (this._physicallyCorrect) {\n    return frame > this._totalSamples / this._samplePerFrame;\n  } else {\n    return true;\n  }\n};\n\nSSRPass.prototype.dispose = function (renderer) {\n  this._ssrTexture.dispose(renderer);\n\n  this._texture2.dispose(renderer);\n\n  this._texture3.dispose(renderer);\n\n  this._prevTexture.dispose(renderer);\n\n  this._currentTexture.dispose(renderer);\n\n  this._frameBuffer.dispose(renderer);\n};\n\nexport default SSRPass;","export default \"@export ecgl.ssr.main\\n\\n#define SHADER_NAME SSR\\n#define MAX_ITERATION 20;\\n#define SAMPLE_PER_FRAME 5;\\n#define TOTAL_SAMPLES 128;\\n\\nuniform sampler2D sourceTexture;\\nuniform sampler2D gBufferTexture1;\\nuniform sampler2D gBufferTexture2;\\nuniform sampler2D gBufferTexture3;\\nuniform samplerCube specularCubemap;\\nuniform float specularIntensity: 1;\\n\\nuniform mat4 projection;\\nuniform mat4 projectionInv;\\nuniform mat4 toViewSpace;\\nuniform mat4 toWorldSpace;\\n\\nuniform float maxRayDistance: 200;\\n\\nuniform float pixelStride: 16;\\nuniform float pixelStrideZCutoff: 50; \\nuniform float screenEdgeFadeStart: 0.9; \\nuniform float eyeFadeStart : 0.2; uniform float eyeFadeEnd: 0.8; \\nuniform float minGlossiness: 0.2; uniform float zThicknessThreshold: 1;\\n\\nuniform float nearZ;\\nuniform vec2 viewportSize : VIEWPORT_SIZE;\\n\\nuniform float jitterOffset: 0;\\n\\nvarying vec2 v_Texcoord;\\n\\n#ifdef DEPTH_DECODE\\n@import clay.util.decode_float\\n#endif\\n\\n#ifdef PHYSICALLY_CORRECT\\nuniform sampler2D normalDistribution;\\nuniform float sampleOffset: 0;\\nuniform vec2 normalDistributionSize;\\n\\nvec3 transformNormal(vec3 H, vec3 N) {\\n vec3 upVector = N.y > 0.999 ? vec3(1.0, 0.0, 0.0) : vec3(0.0, 1.0, 0.0);\\n vec3 tangentX = normalize(cross(N, upVector));\\n vec3 tangentZ = cross(N, tangentX);\\n return normalize(tangentX * H.x + N * H.y + tangentZ * H.z);\\n}\\nvec3 importanceSampleNormalGGX(float i, float roughness, vec3 N) {\\n float p = fract((i + sampleOffset) / float(TOTAL_SAMPLES));\\n vec3 H = texture2D(normalDistribution,vec2(roughness, p)).rgb;\\n return transformNormal(H, N);\\n}\\nfloat G_Smith(float g, float ndv, float ndl) {\\n float roughness = 1.0 - g;\\n float k = roughness * roughness / 2.0;\\n float G1V = ndv / (ndv * (1.0 - k) + k);\\n float G1L = ndl / (ndl * (1.0 - k) + k);\\n return G1L * G1V;\\n}\\nvec3 F_Schlick(float ndv, vec3 spec) {\\n return spec + (1.0 - spec) * pow(1.0 - ndv, 5.0);\\n}\\n#endif\\n\\nfloat fetchDepth(sampler2D depthTexture, vec2 uv)\\n{\\n vec4 depthTexel = texture2D(depthTexture, uv);\\n return depthTexel.r * 2.0 - 1.0;\\n}\\n\\nfloat linearDepth(float depth)\\n{\\n if (projection[3][3] == 0.0) {\\n return projection[3][2] / (depth * projection[2][3] - projection[2][2]);\\n }\\n else {\\n return (depth - projection[3][2]) / projection[2][2];\\n }\\n}\\n\\nbool rayIntersectDepth(float rayZNear, float rayZFar, vec2 hitPixel)\\n{\\n if (rayZFar > rayZNear)\\n {\\n float t = rayZFar; rayZFar = rayZNear; rayZNear = t;\\n }\\n float cameraZ = linearDepth(fetchDepth(gBufferTexture2, hitPixel));\\n return rayZFar <= cameraZ && rayZNear >= cameraZ - zThicknessThreshold;\\n}\\n\\n\\nbool traceScreenSpaceRay(\\n vec3 rayOrigin, vec3 rayDir, float jitter,\\n out vec2 hitPixel, out vec3 hitPoint, out float iterationCount\\n)\\n{\\n float rayLength = ((rayOrigin.z + rayDir.z * maxRayDistance) > -nearZ)\\n ? (-nearZ - rayOrigin.z) / rayDir.z : maxRayDistance;\\n\\n vec3 rayEnd = rayOrigin + rayDir * rayLength;\\n\\n vec4 H0 = projection * vec4(rayOrigin, 1.0);\\n vec4 H1 = projection * vec4(rayEnd, 1.0);\\n\\n float k0 = 1.0 / H0.w, k1 = 1.0 / H1.w;\\n\\n vec3 Q0 = rayOrigin * k0, Q1 = rayEnd * k1;\\n\\n vec2 P0 = (H0.xy * k0 * 0.5 + 0.5) * viewportSize;\\n vec2 P1 = (H1.xy * k1 * 0.5 + 0.5) * viewportSize;\\n\\n P1 += dot(P1 - P0, P1 - P0) < 0.0001 ? 0.01 : 0.0;\\n vec2 delta = P1 - P0;\\n\\n bool permute = false;\\n if (abs(delta.x) < abs(delta.y)) {\\n permute = true;\\n delta = delta.yx;\\n P0 = P0.yx;\\n P1 = P1.yx;\\n }\\n float stepDir = sign(delta.x);\\n float invdx = stepDir / delta.x;\\n\\n vec3 dQ = (Q1 - Q0) * invdx;\\n float dk = (k1 - k0) * invdx;\\n\\n vec2 dP = vec2(stepDir, delta.y * invdx);\\n\\n float strideScaler = 1.0 - min(1.0, -rayOrigin.z / pixelStrideZCutoff);\\n float pixStride = 1.0 + strideScaler * pixelStride;\\n\\n dP *= pixStride; dQ *= pixStride; dk *= pixStride;\\n\\n vec4 pqk = vec4(P0, Q0.z, k0);\\n vec4 dPQK = vec4(dP, dQ.z, dk);\\n\\n pqk += dPQK * jitter;\\n float rayZFar = (dPQK.z * 0.5 + pqk.z) / (dPQK.w * 0.5 + pqk.w);\\n float rayZNear;\\n\\n bool intersect = false;\\n\\n vec2 texelSize = 1.0 / viewportSize;\\n\\n iterationCount = 0.0;\\n\\n for (int i = 0; i < MAX_ITERATION; i++)\\n {\\n pqk += dPQK;\\n\\n rayZNear = rayZFar;\\n rayZFar = (dPQK.z * 0.5 + pqk.z) / (dPQK.w * 0.5 + pqk.w);\\n\\n hitPixel = permute ? pqk.yx : pqk.xy;\\n hitPixel *= texelSize;\\n\\n intersect = rayIntersectDepth(rayZNear, rayZFar, hitPixel);\\n\\n iterationCount += 1.0;\\n\\n dPQK *= 1.2;\\n\\n if (intersect) {\\n break;\\n }\\n }\\n\\n Q0.xy += dQ.xy * iterationCount;\\n Q0.z = pqk.z;\\n hitPoint = Q0 / pqk.w;\\n\\n return intersect;\\n}\\n\\nfloat calculateAlpha(\\n float iterationCount, float reflectivity,\\n vec2 hitPixel, vec3 hitPoint, float dist, vec3 rayDir\\n)\\n{\\n float alpha = clamp(reflectivity, 0.0, 1.0);\\n alpha *= 1.0 - (iterationCount / float(MAX_ITERATION));\\n vec2 hitPixelNDC = hitPixel * 2.0 - 1.0;\\n float maxDimension = min(1.0, max(abs(hitPixelNDC.x), abs(hitPixelNDC.y)));\\n alpha *= 1.0 - max(0.0, maxDimension - screenEdgeFadeStart) / (1.0 - screenEdgeFadeStart);\\n\\n float _eyeFadeStart = eyeFadeStart;\\n float _eyeFadeEnd = eyeFadeEnd;\\n if (_eyeFadeStart > _eyeFadeEnd) {\\n float tmp = _eyeFadeEnd;\\n _eyeFadeEnd = _eyeFadeStart;\\n _eyeFadeStart = tmp;\\n }\\n\\n float eyeDir = clamp(rayDir.z, _eyeFadeStart, _eyeFadeEnd);\\n alpha *= 1.0 - (eyeDir - _eyeFadeStart) / (_eyeFadeEnd - _eyeFadeStart);\\n\\n alpha *= 1.0 - clamp(dist / maxRayDistance, 0.0, 1.0);\\n\\n return alpha;\\n}\\n\\n@import clay.util.rand\\n\\n@import clay.util.rgbm\\n\\nvoid main()\\n{\\n vec4 normalAndGloss = texture2D(gBufferTexture1, v_Texcoord);\\n\\n if (dot(normalAndGloss.rgb, vec3(1.0)) == 0.0) {\\n discard;\\n }\\n\\n float g = normalAndGloss.a;\\n#if !defined(PHYSICALLY_CORRECT)\\n if (g <= minGlossiness) {\\n discard;\\n }\\n#endif\\n\\n float reflectivity = (g - minGlossiness) / (1.0 - minGlossiness);\\n\\n vec3 N = normalize(normalAndGloss.rgb * 2.0 - 1.0);\\n N = normalize((toViewSpace * vec4(N, 0.0)).xyz);\\n\\n vec4 projectedPos = vec4(v_Texcoord * 2.0 - 1.0, fetchDepth(gBufferTexture2, v_Texcoord), 1.0);\\n vec4 pos = projectionInv * projectedPos;\\n vec3 rayOrigin = pos.xyz / pos.w;\\n vec3 V = -normalize(rayOrigin);\\n\\n float ndv = clamp(dot(N, V), 0.0, 1.0);\\n float iterationCount;\\n float jitter = rand(fract(v_Texcoord + jitterOffset));\\n\\n#ifdef PHYSICALLY_CORRECT\\n vec4 color = vec4(vec3(0.0), 1.0);\\n vec4 albedoMetalness = texture2D(gBufferTexture3, v_Texcoord);\\n vec3 albedo = albedoMetalness.rgb;\\n float m = albedoMetalness.a;\\n vec3 diffuseColor = albedo * (1.0 - m);\\n vec3 spec = mix(vec3(0.04), albedo, m);\\n\\n float jitter2 = rand(fract(v_Texcoord)) * float(TOTAL_SAMPLES);\\n\\n for (int i = 0; i < SAMPLE_PER_FRAME; i++) {\\n vec3 H = importanceSampleNormalGGX(float(i) + jitter2, 1.0 - g, N);\\n vec3 rayDir = normalize(reflect(-V, H));\\n#else\\n vec3 rayDir = normalize(reflect(-V, N));\\n#endif\\n vec2 hitPixel;\\n vec3 hitPoint;\\n\\n bool intersect = traceScreenSpaceRay(rayOrigin, rayDir, jitter, hitPixel, hitPoint, iterationCount);\\n\\n float dist = distance(rayOrigin, hitPoint);\\n\\n vec3 hitNormal = texture2D(gBufferTexture1, hitPixel).rgb * 2.0 - 1.0;\\n hitNormal = normalize((toViewSpace * vec4(hitNormal, 0.0)).xyz);\\n#ifdef PHYSICALLY_CORRECT\\n float ndl = clamp(dot(N, rayDir), 0.0, 1.0);\\n float vdh = clamp(dot(V, H), 0.0, 1.0);\\n float ndh = clamp(dot(N, H), 0.0, 1.0);\\n vec3 litTexel = vec3(0.0);\\n if (dot(hitNormal, rayDir) < 0.0 && intersect) {\\n litTexel = texture2D(sourceTexture, hitPixel).rgb;\\n litTexel *= pow(clamp(1.0 - dist / 200.0, 0.0, 1.0), 3.0);\\n\\n }\\n else {\\n #ifdef SPECULARCUBEMAP_ENABLED\\n vec3 rayDirW = normalize(toWorldSpace * vec4(rayDir, 0.0)).rgb;\\n litTexel = RGBMDecode(textureCubeLodEXT(specularCubemap, rayDirW, 0.0), 8.12).rgb * specularIntensity;\\n#endif\\n }\\n color.rgb += ndl * litTexel * (\\n F_Schlick(ndl, spec) * G_Smith(g, ndv, ndl) * vdh / (ndh * ndv + 0.001)\\n );\\n }\\n color.rgb /= float(SAMPLE_PER_FRAME);\\n#else\\n #if !defined(SPECULARCUBEMAP_ENABLED)\\n if (dot(hitNormal, rayDir) >= 0.0) {\\n discard;\\n }\\n if (!intersect) {\\n discard;\\n }\\n#endif\\n float alpha = clamp(calculateAlpha(iterationCount, reflectivity, hitPixel, hitPoint, dist, rayDir), 0.0, 1.0);\\n vec4 color = texture2D(sourceTexture, hitPixel);\\n color.rgb *= alpha;\\n\\n#ifdef SPECULARCUBEMAP_ENABLED\\n vec3 rayDirW = normalize(toWorldSpace * vec4(rayDir, 0.0)).rgb;\\n alpha = alpha * (intersect ? 1.0 : 0.0);\\n float bias = (1.0 -g) * 5.0;\\n color.rgb += (1.0 - alpha)\\n * RGBMDecode(textureCubeLodEXT(specularCubemap, rayDirW, bias), 8.12).rgb\\n * specularIntensity;\\n#endif\\n\\n#endif\\n\\n gl_FragColor = encodeHDR(color);\\n}\\n@end\\n\\n@export ecgl.ssr.blur\\n\\nuniform sampler2D texture;\\nuniform sampler2D gBufferTexture1;\\nuniform sampler2D gBufferTexture2;\\nuniform mat4 projection;\\nuniform float depthRange : 0.05;\\n\\nvarying vec2 v_Texcoord;\\n\\nuniform vec2 textureSize;\\nuniform float blurSize : 1.0;\\n\\n#ifdef BLEND\\n #ifdef SSAOTEX_ENABLED\\nuniform sampler2D ssaoTex;\\n #endif\\nuniform sampler2D sourceTexture;\\n#endif\\n\\nfloat getLinearDepth(vec2 coord)\\n{\\n float depth = texture2D(gBufferTexture2, coord).r * 2.0 - 1.0;\\n return projection[3][2] / (depth * projection[2][3] - projection[2][2]);\\n}\\n\\n@import clay.util.rgbm\\n\\n\\nvoid main()\\n{\\n @import clay.compositor.kernel.gaussian_9\\n\\n vec4 centerNTexel = texture2D(gBufferTexture1, v_Texcoord);\\n float g = centerNTexel.a;\\n float maxBlurSize = clamp(1.0 - g, 0.0, 1.0) * blurSize;\\n#ifdef VERTICAL\\n vec2 off = vec2(0.0, maxBlurSize / textureSize.y);\\n#else\\n vec2 off = vec2(maxBlurSize / textureSize.x, 0.0);\\n#endif\\n\\n vec2 coord = v_Texcoord;\\n\\n vec4 sum = vec4(0.0);\\n float weightAll = 0.0;\\n\\n vec3 cN = centerNTexel.rgb * 2.0 - 1.0;\\n float cD = getLinearDepth(v_Texcoord);\\n for (int i = 0; i < 9; i++) {\\n vec2 coord = clamp((float(i) - 4.0) * off + v_Texcoord, vec2(0.0), vec2(1.0));\\n float w = gaussianKernel[i]\\n * clamp(dot(cN, texture2D(gBufferTexture1, coord).rgb * 2.0 - 1.0), 0.0, 1.0);\\n float d = getLinearDepth(coord);\\n w *= (1.0 - smoothstep(abs(cD - d) / depthRange, 0.0, 1.0));\\n\\n weightAll += w;\\n sum += decodeHDR(texture2D(texture, coord)) * w;\\n }\\n\\n#ifdef BLEND\\n float aoFactor = 1.0;\\n #ifdef SSAOTEX_ENABLED\\n aoFactor = texture2D(ssaoTex, v_Texcoord).r;\\n #endif\\n gl_FragColor = encodeHDR(\\n sum / weightAll * aoFactor + decodeHDR(texture2D(sourceTexture, v_Texcoord))\\n );\\n#else\\n gl_FragColor = encodeHDR(sum / weightAll);\\n#endif\\n}\\n\\n@end\";","// Based on https://bl.ocks.org/mbostock/19168c663618b707158\nexport default [0.0, 0.0, -0.321585265978, -0.154972575841, 0.458126042375, 0.188473391593, 0.842080129861, 0.527766490688, 0.147304551086, -0.659453822776, -0.331943915203, -0.940619700594, 0.0479226680259, 0.54812163202, 0.701581552186, -0.709825561388, -0.295436780218, 0.940589268233, -0.901489676764, 0.237713156085, 0.973570876096, -0.109899459384, -0.866792314779, -0.451805525005, 0.330975007087, 0.800048655954, -0.344275183665, 0.381779221166, -0.386139432542, -0.437418421534, -0.576478634965, -0.0148463392551, 0.385798197415, -0.262426961053, -0.666302061145, 0.682427250835, -0.628010632582, -0.732836215494, 0.10163141741, -0.987658134403, 0.711995289051, -0.320024291314, 0.0296005138058, 0.950296523438, 0.0130612307608, -0.351024443122, -0.879596633704, -0.10478487883, 0.435712737232, 0.504254490347, 0.779203817497, 0.206477676721, 0.388264289969, -0.896736162545, -0.153106280781, -0.629203242522, -0.245517550697, 0.657969239148, 0.126830499058, 0.26862328493, -0.634888119007, -0.302301223431, 0.617074219636, 0.779817204925];","// NormalPass will generate normal and depth data.\n// TODO Animation\nimport Texture2D from 'claygl/src/Texture2D';\nimport Texture from 'claygl/src/Texture';\nimport Shader from 'claygl/src/Shader';\nimport FrameBuffer from 'claygl/src/FrameBuffer';\nimport Material from 'claygl/src/Material';\nimport Pass from 'claygl/src/compositor/Pass';\nimport textureUtil from 'claygl/src/util/texture';\nimport normalGLSL from '../util/shader/normal.glsl.js';\nShader.import(normalGLSL);\n\nfunction attachTextureToSlot(renderer, program, symbol, texture, slot) {\n  var gl = renderer.gl;\n  program.setUniform(gl, '1i', symbol, slot);\n  gl.activeTexture(gl.TEXTURE0 + slot); // Maybe texture is not loaded yet;\n\n  if (texture.isRenderable()) {\n    texture.bind(renderer);\n  } else {\n    // Bind texture to null\n    texture.unbind(renderer);\n  }\n} // TODO Use globalShader insteadof globalMaterial?\n\n\nfunction getBeforeRenderHook(renderer, defaultNormalMap, defaultBumpMap, defaultRoughnessMap, normalMaterial) {\n  var previousNormalMap;\n  var previousBumpMap;\n  var previousRoughnessMap;\n  var previousRenderable;\n  var gl = renderer.gl;\n  return function (renderable, normalMaterial, prevNormalMaterial) {\n    // Material not change\n    if (previousRenderable && previousRenderable.material === renderable.material) {\n      return;\n    }\n\n    var material = renderable.material;\n    var program = renderable.__program;\n    var roughness = material.get('roughness');\n\n    if (roughness == null) {\n      roughness = 1;\n    }\n\n    var normalMap = material.get('normalMap') || defaultNormalMap;\n    var roughnessMap = material.get('roughnessMap');\n    var bumpMap = material.get('bumpMap');\n    var uvRepeat = material.get('uvRepeat');\n    var uvOffset = material.get('uvOffset');\n    var detailUvRepeat = material.get('detailUvRepeat');\n    var detailUvOffset = material.get('detailUvOffset');\n    var useBumpMap = !!bumpMap && material.isTextureEnabled('bumpMap');\n    var useRoughnessMap = !!roughnessMap && material.isTextureEnabled('roughnessMap');\n    var doubleSide = material.isDefined('fragment', 'DOUBLE_SIDED');\n    bumpMap = bumpMap || defaultBumpMap;\n    roughnessMap = roughnessMap || defaultRoughnessMap;\n\n    if (prevNormalMaterial !== normalMaterial) {\n      normalMaterial.set('normalMap', normalMap);\n      normalMaterial.set('bumpMap', bumpMap);\n      normalMaterial.set('roughnessMap', roughnessMap);\n      normalMaterial.set('useBumpMap', useBumpMap);\n      normalMaterial.set('useRoughnessMap', useRoughnessMap);\n      normalMaterial.set('doubleSide', doubleSide);\n      uvRepeat != null && normalMaterial.set('uvRepeat', uvRepeat);\n      uvOffset != null && normalMaterial.set('uvOffset', uvOffset);\n      detailUvRepeat != null && normalMaterial.set('detailUvRepeat', detailUvRepeat);\n      detailUvOffset != null && normalMaterial.set('detailUvOffset', detailUvOffset);\n      normalMaterial.set('roughness', roughness);\n    } else {\n      program.setUniform(gl, '1f', 'roughness', roughness);\n\n      if (previousNormalMap !== normalMap) {\n        attachTextureToSlot(renderer, program, 'normalMap', normalMap, 0);\n      }\n\n      if (previousBumpMap !== bumpMap && bumpMap) {\n        attachTextureToSlot(renderer, program, 'bumpMap', bumpMap, 1);\n      }\n\n      if (previousRoughnessMap !== roughnessMap && roughnessMap) {\n        attachTextureToSlot(renderer, program, 'roughnessMap', roughnessMap, 2);\n      }\n\n      if (uvRepeat != null) {\n        program.setUniform(gl, '2f', 'uvRepeat', uvRepeat);\n      }\n\n      if (uvOffset != null) {\n        program.setUniform(gl, '2f', 'uvOffset', uvOffset);\n      }\n\n      if (detailUvRepeat != null) {\n        program.setUniform(gl, '2f', 'detailUvRepeat', detailUvRepeat);\n      }\n\n      if (detailUvOffset != null) {\n        program.setUniform(gl, '2f', 'detailUvOffset', detailUvOffset);\n      }\n\n      program.setUniform(gl, '1i', 'useBumpMap', +useBumpMap);\n      program.setUniform(gl, '1i', 'useRoughnessMap', +useRoughnessMap);\n      program.setUniform(gl, '1i', 'doubleSide', +doubleSide);\n    }\n\n    previousNormalMap = normalMap;\n    previousBumpMap = bumpMap;\n    previousRoughnessMap = roughnessMap;\n    previousRenderable = renderable;\n  };\n}\n\nfunction NormalPass(opt) {\n  opt = opt || {};\n  this._depthTex = new Texture2D({\n    format: Texture.DEPTH_COMPONENT,\n    type: Texture.UNSIGNED_INT\n  });\n  this._normalTex = new Texture2D({\n    type: Texture.HALF_FLOAT\n  });\n  this._framebuffer = new FrameBuffer();\n\n  this._framebuffer.attach(this._normalTex);\n\n  this._framebuffer.attach(this._depthTex, FrameBuffer.DEPTH_ATTACHMENT);\n\n  this._normalMaterial = new Material({\n    shader: new Shader(Shader.source('ecgl.normal.vertex'), Shader.source('ecgl.normal.fragment'))\n  });\n\n  this._normalMaterial.enableTexture(['normalMap', 'bumpMap', 'roughnessMap']);\n\n  this._defaultNormalMap = textureUtil.createBlank('#000');\n  this._defaultBumpMap = textureUtil.createBlank('#000');\n  this._defaultRoughessMap = textureUtil.createBlank('#000');\n  this._debugPass = new Pass({\n    fragment: Shader.source('clay.compositor.output')\n  });\n\n  this._debugPass.setUniform('texture', this._normalTex);\n\n  this._debugPass.material.undefine('fragment', 'OUTPUT_ALPHA');\n}\n\nNormalPass.prototype.getDepthTexture = function () {\n  return this._depthTex;\n};\n\nNormalPass.prototype.getNormalTexture = function () {\n  return this._normalTex;\n};\n\nNormalPass.prototype.update = function (renderer, scene, camera) {\n  var width = renderer.getWidth();\n  var height = renderer.getHeight();\n  var depthTexture = this._depthTex;\n  var normalTexture = this._normalTex;\n  var normalMaterial = this._normalMaterial;\n  depthTexture.width = width;\n  depthTexture.height = height;\n  normalTexture.width = width;\n  normalTexture.height = height;\n  var opaqueList = scene.getRenderList(camera).opaque;\n\n  this._framebuffer.bind(renderer);\n\n  renderer.gl.clearColor(0, 0, 0, 0);\n  renderer.gl.clear(renderer.gl.COLOR_BUFFER_BIT | renderer.gl.DEPTH_BUFFER_BIT);\n  renderer.gl.disable(renderer.gl.BLEND);\n  renderer.renderPass(opaqueList, camera, {\n    getMaterial: function () {\n      return normalMaterial;\n    },\n    ifRender: function (object) {\n      return object.renderNormal;\n    },\n    beforeRender: getBeforeRenderHook(renderer, this._defaultNormalMap, this._defaultBumpMap, this._defaultRoughessMap, this._normalMaterial),\n    sort: renderer.opaqueSortCompare\n  });\n\n  this._framebuffer.unbind(renderer);\n};\n\nNormalPass.prototype.renderDebug = function (renderer) {\n  this._debugPass.render(renderer);\n};\n\nNormalPass.prototype.dispose = function (renderer) {\n  this._depthTex.dispose(renderer);\n\n  this._normalTex.dispose(renderer);\n};\n\nexport default NormalPass;","export default \"@export ecgl.normal.vertex\\n\\n@import ecgl.common.transformUniforms\\n\\n@import ecgl.common.uv.header\\n\\n@import ecgl.common.attributes\\n\\nvarying vec3 v_Normal;\\nvarying vec3 v_WorldPosition;\\n\\n@import ecgl.common.normalMap.vertexHeader\\n\\n@import ecgl.common.vertexAnimation.header\\n\\nvoid main()\\n{\\n\\n @import ecgl.common.vertexAnimation.main\\n\\n @import ecgl.common.uv.main\\n\\n v_Normal = normalize((worldInverseTranspose * vec4(normal, 0.0)).xyz);\\n v_WorldPosition = (world * vec4(pos, 1.0)).xyz;\\n\\n @import ecgl.common.normalMap.vertexMain\\n\\n gl_Position = worldViewProjection * vec4(pos, 1.0);\\n\\n}\\n\\n\\n@end\\n\\n\\n@export ecgl.normal.fragment\\n\\n#define ROUGHNESS_CHANEL 0\\n\\nuniform bool useBumpMap;\\nuniform bool useRoughnessMap;\\nuniform bool doubleSide;\\nuniform float roughness;\\n\\n@import ecgl.common.uv.fragmentHeader\\n\\nvarying vec3 v_Normal;\\nvarying vec3 v_WorldPosition;\\n\\nuniform mat4 viewInverse : VIEWINVERSE;\\n\\n@import ecgl.common.normalMap.fragmentHeader\\n@import ecgl.common.bumpMap.header\\n\\nuniform sampler2D roughnessMap;\\n\\nvoid main()\\n{\\n vec3 N = v_Normal;\\n \\n bool flipNormal = false;\\n if (doubleSide) {\\n vec3 eyePos = viewInverse[3].xyz;\\n vec3 V = normalize(eyePos - v_WorldPosition);\\n\\n if (dot(N, V) < 0.0) {\\n flipNormal = true;\\n }\\n }\\n\\n @import ecgl.common.normalMap.fragmentMain\\n\\n if (useBumpMap) {\\n N = bumpNormal(v_WorldPosition, v_Normal, N);\\n }\\n\\n float g = 1.0 - roughness;\\n\\n if (useRoughnessMap) {\\n float g2 = 1.0 - texture2D(roughnessMap, v_DetailTexcoord)[ROUGHNESS_CHANEL];\\n g = clamp(g2 + (g - 0.5) * 2.0, 0.0, 1.0);\\n }\\n\\n if (flipNormal) {\\n N = -N;\\n }\\n\\n gl_FragColor.rgb = (N.xyz + 1.0) * 0.5;\\n gl_FragColor.a = g;\\n}\\n@end\";","import Matrix4 from 'claygl/src/math/Matrix4';\nimport Vector3 from 'claygl/src/math/Vector3';\nimport Texture2D from 'claygl/src/Texture2D';\nimport Texture from 'claygl/src/Texture';\nimport Pass from 'claygl/src/compositor/Pass';\nimport Shader from 'claygl/src/Shader';\nimport FrameBuffer from 'claygl/src/FrameBuffer';\n\nfunction EdgePass(opt) {\n  opt = opt || {};\n  this._edgePass = new Pass({\n    fragment: Shader.source('ecgl.edge')\n  });\n\n  this._edgePass.setUniform('normalTexture', opt.normalTexture);\n\n  this._edgePass.setUniform('depthTexture', opt.depthTexture);\n\n  this._targetTexture = new Texture2D({\n    type: Texture.HALF_FLOAT\n  });\n  this._frameBuffer = new FrameBuffer();\n\n  this._frameBuffer.attach(this._targetTexture);\n}\n\nEdgePass.prototype.update = function (renderer, camera, sourceTexture, frame) {\n  var width = renderer.getWidth();\n  var height = renderer.getHeight();\n  var texture = this._targetTexture;\n  texture.width = width;\n  texture.height = height;\n  var frameBuffer = this._frameBuffer;\n  frameBuffer.bind(renderer);\n\n  this._edgePass.setUniform('projectionInv', camera.invProjectionMatrix.array);\n\n  this._edgePass.setUniform('textureSize', [width, height]);\n\n  this._edgePass.setUniform('texture', sourceTexture);\n\n  this._edgePass.render(renderer);\n\n  frameBuffer.unbind(renderer);\n};\n\nEdgePass.prototype.getTargetTexture = function () {\n  return this._targetTexture;\n};\n\nEdgePass.prototype.setParameter = function (name, val) {\n  this._edgePass.setUniform(name, val);\n};\n\nEdgePass.prototype.dispose = function (renderer) {\n  this._targetTexture.dispose(renderer);\n\n  this._frameBuffer.dispose(renderer);\n};\n\nexport default EdgePass;","export default {\n  'type': 'compositor',\n  'nodes': [{\n    'name': 'source',\n    'type': 'texture',\n    'outputs': {\n      'color': {}\n    }\n  }, {\n    'name': 'source_half',\n    'shader': '#source(clay.compositor.downsample)',\n    'inputs': {\n      'texture': 'source'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 2)',\n          'height': 'expr(height * 1.0 / 2)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'textureSize': 'expr( [width * 1.0, height * 1.0] )'\n    }\n  }, {\n    'name': 'bright',\n    'shader': '#source(clay.compositor.bright)',\n    'inputs': {\n      'texture': 'source_half'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 2)',\n          'height': 'expr(height * 1.0 / 2)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'threshold': 2,\n      'scale': 4,\n      'textureSize': 'expr([width * 1.0 / 2, height / 2])'\n    }\n  }, {\n    'name': 'bright_downsample_4',\n    'shader': '#source(clay.compositor.downsample)',\n    'inputs': {\n      'texture': 'bright'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 4)',\n          'height': 'expr(height * 1.0 / 4)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'textureSize': 'expr( [width * 1.0 / 2, height / 2] )'\n    }\n  }, {\n    'name': 'bright_downsample_8',\n    'shader': '#source(clay.compositor.downsample)',\n    'inputs': {\n      'texture': 'bright_downsample_4'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 8)',\n          'height': 'expr(height * 1.0 / 8)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'textureSize': 'expr( [width * 1.0 / 4, height / 4] )'\n    }\n  }, {\n    'name': 'bright_downsample_16',\n    'shader': '#source(clay.compositor.downsample)',\n    'inputs': {\n      'texture': 'bright_downsample_8'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 16)',\n          'height': 'expr(height * 1.0 / 16)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'textureSize': 'expr( [width * 1.0 / 8, height / 8] )'\n    }\n  }, {\n    'name': 'bright_downsample_32',\n    'shader': '#source(clay.compositor.downsample)',\n    'inputs': {\n      'texture': 'bright_downsample_16'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 32)',\n          'height': 'expr(height * 1.0 / 32)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'textureSize': 'expr( [width * 1.0 / 16, height / 16] )'\n    }\n  }, {\n    'name': 'bright_upsample_16_blur_h',\n    'shader': '#source(clay.compositor.gaussian_blur)',\n    'inputs': {\n      'texture': 'bright_downsample_32'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 16)',\n          'height': 'expr(height * 1.0 / 16)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'blurSize': 1,\n      'blurDir': 0.0,\n      'textureSize': 'expr( [width * 1.0 / 32, height / 32] )'\n    }\n  }, {\n    'name': 'bright_upsample_16_blur_v',\n    'shader': '#source(clay.compositor.gaussian_blur)',\n    'inputs': {\n      'texture': 'bright_upsample_16_blur_h'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 16)',\n          'height': 'expr(height * 1.0 / 16)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'blurSize': 1,\n      'blurDir': 1.0,\n      'textureSize': 'expr( [width * 1.0 / 16, height * 1.0 / 16] )'\n    }\n  }, {\n    'name': 'bright_upsample_8_blur_h',\n    'shader': '#source(clay.compositor.gaussian_blur)',\n    'inputs': {\n      'texture': 'bright_downsample_16'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 8)',\n          'height': 'expr(height * 1.0 / 8)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'blurSize': 1,\n      'blurDir': 0.0,\n      'textureSize': 'expr( [width * 1.0 / 16, height * 1.0 / 16] )'\n    }\n  }, {\n    'name': 'bright_upsample_8_blur_v',\n    'shader': '#source(clay.compositor.gaussian_blur)',\n    'inputs': {\n      'texture': 'bright_upsample_8_blur_h'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 8)',\n          'height': 'expr(height * 1.0 / 8)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'blurSize': 1,\n      'blurDir': 1.0,\n      'textureSize': 'expr( [width * 1.0 / 8, height * 1.0 / 8] )'\n    }\n  }, {\n    'name': 'bright_upsample_8_blend',\n    'shader': '#source(clay.compositor.blend)',\n    'inputs': {\n      'texture1': 'bright_upsample_8_blur_v',\n      'texture2': 'bright_upsample_16_blur_v'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 8)',\n          'height': 'expr(height * 1.0 / 8)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'weight1': 0.3,\n      'weight2': 0.7\n    }\n  }, {\n    'name': 'bright_upsample_4_blur_h',\n    'shader': '#source(clay.compositor.gaussian_blur)',\n    'inputs': {\n      'texture': 'bright_downsample_8'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 4)',\n          'height': 'expr(height * 1.0 / 4)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'blurSize': 1,\n      'blurDir': 0.0,\n      'textureSize': 'expr( [width * 1.0 / 8, height * 1.0 / 8] )'\n    }\n  }, {\n    'name': 'bright_upsample_4_blur_v',\n    'shader': '#source(clay.compositor.gaussian_blur)',\n    'inputs': {\n      'texture': 'bright_upsample_4_blur_h'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 4)',\n          'height': 'expr(height * 1.0 / 4)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'blurSize': 1,\n      'blurDir': 1.0,\n      'textureSize': 'expr( [width * 1.0 / 4, height * 1.0 / 4] )'\n    }\n  }, {\n    'name': 'bright_upsample_4_blend',\n    'shader': '#source(clay.compositor.blend)',\n    'inputs': {\n      'texture1': 'bright_upsample_4_blur_v',\n      'texture2': 'bright_upsample_8_blend'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 4)',\n          'height': 'expr(height * 1.0 / 4)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'weight1': 0.3,\n      'weight2': 0.7\n    }\n  }, {\n    'name': 'bright_upsample_2_blur_h',\n    'shader': '#source(clay.compositor.gaussian_blur)',\n    'inputs': {\n      'texture': 'bright_downsample_4'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 2)',\n          'height': 'expr(height * 1.0 / 2)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'blurSize': 1,\n      'blurDir': 0.0,\n      'textureSize': 'expr( [width * 1.0 / 4, height * 1.0 / 4] )'\n    }\n  }, {\n    'name': 'bright_upsample_2_blur_v',\n    'shader': '#source(clay.compositor.gaussian_blur)',\n    'inputs': {\n      'texture': 'bright_upsample_2_blur_h'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 2)',\n          'height': 'expr(height * 1.0 / 2)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'blurSize': 1,\n      'blurDir': 1.0,\n      'textureSize': 'expr( [width * 1.0 / 2, height * 1.0 / 2] )'\n    }\n  }, {\n    'name': 'bright_upsample_2_blend',\n    'shader': '#source(clay.compositor.blend)',\n    'inputs': {\n      'texture1': 'bright_upsample_2_blur_v',\n      'texture2': 'bright_upsample_4_blend'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0 / 2)',\n          'height': 'expr(height * 1.0 / 2)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'weight1': 0.3,\n      'weight2': 0.7\n    }\n  }, {\n    'name': 'bright_upsample_full_blur_h',\n    'shader': '#source(clay.compositor.gaussian_blur)',\n    'inputs': {\n      'texture': 'bright'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0)',\n          'height': 'expr(height * 1.0)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'blurSize': 1,\n      'blurDir': 0.0,\n      'textureSize': 'expr( [width * 1.0 / 2, height * 1.0 / 2] )'\n    }\n  }, {\n    'name': 'bright_upsample_full_blur_v',\n    'shader': '#source(clay.compositor.gaussian_blur)',\n    'inputs': {\n      'texture': 'bright_upsample_full_blur_h'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0)',\n          'height': 'expr(height * 1.0)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'blurSize': 1,\n      'blurDir': 1.0,\n      'textureSize': 'expr( [width * 1.0, height * 1.0] )'\n    }\n  }, {\n    'name': 'bloom_composite',\n    'shader': '#source(clay.compositor.blend)',\n    'inputs': {\n      'texture1': 'bright_upsample_full_blur_v',\n      'texture2': 'bright_upsample_2_blend'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0)',\n          'height': 'expr(height * 1.0)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'weight1': 0.3,\n      'weight2': 0.7\n    }\n  }, {\n    'name': 'coc',\n    'shader': '#source(ecgl.dof.coc)',\n    'outputs': {\n      'color': {\n        'parameters': {\n          'minFilter': 'NEAREST',\n          'magFilter': 'NEAREST',\n          'width': 'expr(width * 1.0)',\n          'height': 'expr(height * 1.0)'\n        }\n      }\n    },\n    'parameters': {\n      'focalDist': 50,\n      'focalRange': 30\n    }\n  }, {\n    'name': 'dof_far_blur',\n    'shader': '#source(ecgl.dof.diskBlur)',\n    'inputs': {\n      'texture': 'source',\n      'coc': 'coc'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0)',\n          'height': 'expr(height * 1.0)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'textureSize': 'expr( [width * 1.0, height * 1.0] )'\n    }\n  }, {\n    'name': 'dof_near_blur',\n    'shader': '#source(ecgl.dof.diskBlur)',\n    'inputs': {\n      'texture': 'source',\n      'coc': 'coc'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0)',\n          'height': 'expr(height * 1.0)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    },\n    'parameters': {\n      'textureSize': 'expr( [width * 1.0, height * 1.0] )'\n    },\n    'defines': {\n      'BLUR_NEARFIELD': null\n    }\n  }, {\n    'name': 'dof_coc_blur',\n    'shader': '#source(ecgl.dof.diskBlur)',\n    'inputs': {\n      'texture': 'coc'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'minFilter': 'NEAREST',\n          'magFilter': 'NEAREST',\n          'width': 'expr(width * 1.0)',\n          'height': 'expr(height * 1.0)'\n        }\n      }\n    },\n    'parameters': {\n      'textureSize': 'expr( [width * 1.0, height * 1.0] )'\n    },\n    'defines': {\n      'BLUR_COC': null\n    }\n  }, {\n    'name': 'dof_composite',\n    'shader': '#source(ecgl.dof.composite)',\n    'inputs': {\n      'original': 'source',\n      'blurred': 'dof_far_blur',\n      'nearfield': 'dof_near_blur',\n      'coc': 'coc',\n      'nearcoc': 'dof_coc_blur'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0)',\n          'height': 'expr(height * 1.0)',\n          'type': 'HALF_FLOAT'\n        }\n      }\n    }\n  }, {\n    'name': 'composite',\n    'shader': '#source(clay.compositor.hdr.composite)',\n    'inputs': {\n      'texture': 'source',\n      'bloom': 'bloom_composite'\n    },\n    'outputs': {\n      'color': {\n        'parameters': {\n          'width': 'expr(width * 1.0)',\n          'height': 'expr(height * 1.0)'\n        }\n      }\n    },\n    'defines': {// Images are all premultiplied alpha before composite because of blending.\n      // 'PREMULTIPLY_ALPHA': null,\n      // 'DEBUG': 2\n    }\n  }, {\n    'name': 'FXAA',\n    'shader': '#source(clay.compositor.fxaa)',\n    'inputs': {\n      'texture': 'composite'\n    }\n  }]\n};","import Shader from 'claygl/src/Shader';\nimport Texture2D from 'claygl/src/Texture2D';\nimport Texture from 'claygl/src/Texture';\nimport FrameBuffer from 'claygl/src/FrameBuffer';\nimport createCompositor from 'claygl/src/compositor/createCompositor';\nimport SSAOPass from './SSAOPass';\nimport SSRPass from './SSRPass';\nimport poissonKernel from './poissonKernel';\nimport graphicGL from '../util/graphicGL';\nimport NormalPass from './NormalPass';\nimport EdgePass from './EdgePass';\nimport effectJson from './composite.js';\nimport blurCode from 'claygl/src/shader/source/compositor/blur.glsl.js';\nimport lutCode from 'claygl/src/shader/source/compositor/lut.glsl.js';\nimport outputCode from 'claygl/src/shader/source/compositor/output.glsl.js';\nimport brightCode from 'claygl/src/shader/source/compositor/bright.glsl.js';\nimport downsampleCode from 'claygl/src/shader/source/compositor/downsample.glsl.js';\nimport upsampleCode from 'claygl/src/shader/source/compositor/upsample.glsl.js';\nimport hdrCode from 'claygl/src/shader/source/compositor/hdr.glsl.js';\nimport blendCode from 'claygl/src/shader/source/compositor/blend.glsl.js';\nimport fxaaCode from 'claygl/src/shader/source/compositor/fxaa.glsl.js';\nimport DOFCode from './DOF.glsl.js';\nimport edgeCode from './edge.glsl.js';\nShader['import'](blurCode);\nShader['import'](lutCode);\nShader['import'](outputCode);\nShader['import'](brightCode);\nShader['import'](downsampleCode);\nShader['import'](upsampleCode);\nShader['import'](hdrCode);\nShader['import'](blendCode);\nShader['import'](fxaaCode);\nShader['import'](DOFCode);\nShader['import'](edgeCode);\n\nfunction makeCommonOutputs(getWidth, getHeight) {\n  return {\n    color: {\n      parameters: {\n        width: getWidth,\n        height: getHeight\n      }\n    }\n  };\n}\n\nvar FINAL_NODES_CHAIN = ['composite', 'FXAA'];\n\nfunction EffectCompositor() {\n  this._width;\n  this._height;\n  this._dpr;\n  this._sourceTexture = new Texture2D({\n    type: Texture.HALF_FLOAT\n  });\n  this._depthTexture = new Texture2D({\n    format: Texture.DEPTH_COMPONENT,\n    type: Texture.UNSIGNED_INT\n  });\n  this._framebuffer = new FrameBuffer();\n\n  this._framebuffer.attach(this._sourceTexture);\n\n  this._framebuffer.attach(this._depthTexture, FrameBuffer.DEPTH_ATTACHMENT);\n\n  this._normalPass = new NormalPass();\n  this._compositor = createCompositor(effectJson);\n\n  var sourceNode = this._compositor.getNodeByName('source');\n\n  sourceNode.texture = this._sourceTexture;\n\n  var cocNode = this._compositor.getNodeByName('coc');\n\n  this._sourceNode = sourceNode;\n  this._cocNode = cocNode;\n  this._compositeNode = this._compositor.getNodeByName('composite');\n  this._fxaaNode = this._compositor.getNodeByName('FXAA');\n  this._dofBlurNodes = ['dof_far_blur', 'dof_near_blur', 'dof_coc_blur'].map(function (name) {\n    return this._compositor.getNodeByName(name);\n  }, this);\n  this._dofBlurKernel = 0;\n  this._dofBlurKernelSize = new Float32Array(0);\n  this._finalNodesChain = FINAL_NODES_CHAIN.map(function (name) {\n    return this._compositor.getNodeByName(name);\n  }, this);\n  var gBufferObj = {\n    normalTexture: this._normalPass.getNormalTexture(),\n    depthTexture: this._normalPass.getDepthTexture()\n  };\n  this._ssaoPass = new SSAOPass(gBufferObj);\n  this._ssrPass = new SSRPass(gBufferObj);\n  this._edgePass = new EdgePass(gBufferObj);\n}\n\nEffectCompositor.prototype.resize = function (width, height, dpr) {\n  dpr = dpr || 1;\n  var width = width * dpr;\n  var height = height * dpr;\n  var sourceTexture = this._sourceTexture;\n  var depthTexture = this._depthTexture;\n  sourceTexture.width = width;\n  sourceTexture.height = height;\n  depthTexture.width = width;\n  depthTexture.height = height;\n  var rendererMock = {\n    getWidth: function () {\n      return width;\n    },\n    getHeight: function () {\n      return height;\n    },\n    getDevicePixelRatio: function () {\n      return dpr;\n    }\n  };\n\n  function wrapCallback(obj, key) {\n    if (typeof obj[key] === 'function') {\n      var oldFunc = obj[key].__original || obj[key]; // Use viewport width/height instead of renderer width/height\n\n      obj[key] = function (renderer) {\n        return oldFunc.call(this, rendererMock);\n      };\n\n      obj[key].__original = oldFunc;\n    }\n  }\n\n  this._compositor.nodes.forEach(function (node) {\n    for (var outKey in node.outputs) {\n      var parameters = node.outputs[outKey].parameters;\n\n      if (parameters) {\n        wrapCallback(parameters, 'width');\n        wrapCallback(parameters, 'height');\n      }\n    }\n\n    for (var paramKey in node.parameters) {\n      wrapCallback(node.parameters, paramKey);\n    }\n  });\n\n  this._width = width;\n  this._height = height;\n  this._dpr = dpr;\n};\n\nEffectCompositor.prototype.getWidth = function () {\n  return this._width;\n};\n\nEffectCompositor.prototype.getHeight = function () {\n  return this._height;\n};\n\nEffectCompositor.prototype._ifRenderNormalPass = function () {\n  return this._enableSSAO || this._enableEdge || this._enableSSR;\n};\n\nEffectCompositor.prototype._getPrevNode = function (node) {\n  var idx = FINAL_NODES_CHAIN.indexOf(node.name) - 1;\n  var prevNode = this._finalNodesChain[idx];\n\n  while (prevNode && !this._compositor.getNodeByName(prevNode.name)) {\n    idx -= 1;\n    prevNode = this._finalNodesChain[idx];\n  }\n\n  return prevNode;\n};\n\nEffectCompositor.prototype._getNextNode = function (node) {\n  var idx = FINAL_NODES_CHAIN.indexOf(node.name) + 1;\n  var nextNode = this._finalNodesChain[idx];\n\n  while (nextNode && !this._compositor.getNodeByName(nextNode.name)) {\n    idx += 1;\n    nextNode = this._finalNodesChain[idx];\n  }\n\n  return nextNode;\n};\n\nEffectCompositor.prototype._addChainNode = function (node) {\n  var prevNode = this._getPrevNode(node);\n\n  var nextNode = this._getNextNode(node);\n\n  if (!prevNode) {\n    return;\n  }\n\n  node.inputs.texture = prevNode.name;\n\n  if (nextNode) {\n    node.outputs = makeCommonOutputs(this.getWidth.bind(this), this.getHeight.bind(this));\n    nextNode.inputs.texture = node.name;\n  } else {\n    node.outputs = null;\n  }\n\n  this._compositor.addNode(node);\n};\n\nEffectCompositor.prototype._removeChainNode = function (node) {\n  var prevNode = this._getPrevNode(node);\n\n  var nextNode = this._getNextNode(node);\n\n  if (!prevNode) {\n    return;\n  }\n\n  if (nextNode) {\n    prevNode.outputs = makeCommonOutputs(this.getWidth.bind(this), this.getHeight.bind(this));\n    nextNode.inputs.texture = prevNode.name;\n  } else {\n    prevNode.outputs = null;\n  }\n\n  this._compositor.removeNode(node);\n};\n/**\n * Update normal\n */\n\n\nEffectCompositor.prototype.updateNormal = function (renderer, scene, camera, frame) {\n  if (this._ifRenderNormalPass()) {\n    this._normalPass.update(renderer, scene, camera);\n  }\n};\n/**\n * Render SSAO after render the scene, before compositing\n */\n\n\nEffectCompositor.prototype.updateSSAO = function (renderer, scene, camera, frame) {\n  this._ssaoPass.update(renderer, camera, frame);\n};\n/**\n * Enable SSAO effect\n */\n\n\nEffectCompositor.prototype.enableSSAO = function () {\n  this._enableSSAO = true;\n};\n/**\n * Disable SSAO effect\n */\n\n\nEffectCompositor.prototype.disableSSAO = function () {\n  this._enableSSAO = false;\n};\n/**\n * Enable SSR effect\n */\n\n\nEffectCompositor.prototype.enableSSR = function () {\n  this._enableSSR = true; // this._normalPass.enableTargetTexture3 = true;\n};\n/**\n * Disable SSR effect\n */\n\n\nEffectCompositor.prototype.disableSSR = function () {\n  this._enableSSR = false; // this._normalPass.enableTargetTexture3 = false;\n};\n/**\n * Render SSAO after render the scene, before compositing\n */\n\n\nEffectCompositor.prototype.getSSAOTexture = function () {\n  return this._ssaoPass.getTargetTexture();\n};\n/**\n * @return {clay.FrameBuffer}\n */\n\n\nEffectCompositor.prototype.getSourceFrameBuffer = function () {\n  return this._framebuffer;\n};\n/**\n * @return {clay.Texture2D}\n */\n\n\nEffectCompositor.prototype.getSourceTexture = function () {\n  return this._sourceTexture;\n};\n/**\n * Disable fxaa effect\n */\n\n\nEffectCompositor.prototype.disableFXAA = function () {\n  this._removeChainNode(this._fxaaNode);\n};\n/**\n * Enable fxaa effect\n */\n\n\nEffectCompositor.prototype.enableFXAA = function () {\n  this._addChainNode(this._fxaaNode);\n};\n/**\n * Enable bloom effect\n */\n\n\nEffectCompositor.prototype.enableBloom = function () {\n  this._compositeNode.inputs.bloom = 'bloom_composite';\n\n  this._compositor.dirty();\n};\n/**\n * Disable bloom effect\n */\n\n\nEffectCompositor.prototype.disableBloom = function () {\n  this._compositeNode.inputs.bloom = null;\n\n  this._compositor.dirty();\n};\n/**\n * Enable depth of field effect\n */\n\n\nEffectCompositor.prototype.enableDOF = function () {\n  this._compositeNode.inputs.texture = 'dof_composite';\n\n  this._compositor.dirty();\n};\n/**\n * Disable depth of field effect\n */\n\n\nEffectCompositor.prototype.disableDOF = function () {\n  this._compositeNode.inputs.texture = 'source';\n\n  this._compositor.dirty();\n};\n/**\n * Enable color correction\n */\n\n\nEffectCompositor.prototype.enableColorCorrection = function () {\n  this._compositeNode.define('COLOR_CORRECTION');\n\n  this._enableColorCorrection = true;\n};\n/**\n * Disable color correction\n */\n\n\nEffectCompositor.prototype.disableColorCorrection = function () {\n  this._compositeNode.undefine('COLOR_CORRECTION');\n\n  this._enableColorCorrection = false;\n};\n/**\n * Enable edge detection\n */\n\n\nEffectCompositor.prototype.enableEdge = function () {\n  this._enableEdge = true;\n};\n/**\n * Disable edge detection\n */\n\n\nEffectCompositor.prototype.disableEdge = function () {\n  this._enableEdge = false;\n};\n/**\n * Set bloom intensity\n * @param {number} value\n */\n\n\nEffectCompositor.prototype.setBloomIntensity = function (value) {\n  this._compositeNode.setParameter('bloomIntensity', value);\n};\n\nEffectCompositor.prototype.setSSAOParameter = function (name, value) {\n  switch (name) {\n    case 'quality':\n      // PENDING\n      var kernelSize = {\n        low: 6,\n        medium: 12,\n        high: 32,\n        ultra: 62\n      }[value] || 12;\n\n      this._ssaoPass.setParameter('kernelSize', kernelSize);\n\n      break;\n\n    case 'radius':\n      this._ssaoPass.setParameter(name, value);\n\n      this._ssaoPass.setParameter('bias', value / 200);\n\n      break;\n\n    case 'intensity':\n      this._ssaoPass.setParameter(name, value);\n\n      break;\n\n    default:\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn('Unkown SSAO parameter ' + name);\n      }\n\n  }\n};\n\nEffectCompositor.prototype.setDOFParameter = function (name, value) {\n  switch (name) {\n    case 'focalDistance':\n    case 'focalRange':\n    case 'fstop':\n      this._cocNode.setParameter(name, value);\n\n      break;\n\n    case 'blurRadius':\n      for (var i = 0; i < this._dofBlurNodes.length; i++) {\n        this._dofBlurNodes[i].setParameter('blurRadius', value);\n      }\n\n      break;\n\n    case 'quality':\n      var kernelSize = {\n        low: 4,\n        medium: 8,\n        high: 16,\n        ultra: 32\n      }[value] || 8;\n      this._dofBlurKernelSize = kernelSize;\n\n      for (var i = 0; i < this._dofBlurNodes.length; i++) {\n        this._dofBlurNodes[i].pass.material.define('POISSON_KERNEL_SIZE', kernelSize);\n      }\n\n      this._dofBlurKernel = new Float32Array(kernelSize * 2);\n      break;\n\n    default:\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn('Unkown DOF parameter ' + name);\n      }\n\n  }\n};\n\nEffectCompositor.prototype.setSSRParameter = function (name, value) {\n  if (value == null) {\n    return;\n  }\n\n  switch (name) {\n    case 'quality':\n      // PENDING\n      var maxIteration = {\n        low: 10,\n        medium: 15,\n        high: 30,\n        ultra: 80\n      }[value] || 20;\n      var pixelStride = {\n        low: 32,\n        medium: 16,\n        high: 8,\n        ultra: 4\n      }[value] || 16;\n\n      this._ssrPass.setParameter('maxIteration', maxIteration);\n\n      this._ssrPass.setParameter('pixelStride', pixelStride);\n\n      break;\n\n    case 'maxRoughness':\n      this._ssrPass.setParameter('minGlossiness', Math.max(Math.min(1.0 - value, 1.0), 0.0));\n\n      break;\n\n    case 'physical':\n      this.setPhysicallyCorrectSSR(value);\n      break;\n\n    default:\n      console.warn('Unkown SSR parameter ' + name);\n  }\n};\n\nEffectCompositor.prototype.setPhysicallyCorrectSSR = function (physical) {\n  this._ssrPass.setPhysicallyCorrect(physical);\n};\n/**\n * Set color of edge\n */\n\n\nEffectCompositor.prototype.setEdgeColor = function (value) {\n  var color = graphicGL.parseColor(value);\n\n  this._edgePass.setParameter('edgeColor', color);\n};\n\nEffectCompositor.prototype.setExposure = function (value) {\n  this._compositeNode.setParameter('exposure', Math.pow(2, value));\n};\n\nEffectCompositor.prototype.setColorLookupTexture = function (image, api) {\n  this._compositeNode.pass.material.setTextureImage('lut', this._enableColorCorrection ? image : 'none', api, {\n    minFilter: graphicGL.Texture.NEAREST,\n    magFilter: graphicGL.Texture.NEAREST,\n    flipY: false\n  });\n};\n\nEffectCompositor.prototype.setColorCorrection = function (type, value) {\n  this._compositeNode.setParameter(type, value);\n};\n\nEffectCompositor.prototype.isSSREnabled = function () {\n  return this._enableSSR;\n};\n\nEffectCompositor.prototype.composite = function (renderer, scene, camera, framebuffer, frame) {\n  var sourceTexture = this._sourceTexture;\n  var targetTexture = sourceTexture;\n\n  if (this._enableEdge) {\n    this._edgePass.update(renderer, camera, sourceTexture, frame);\n\n    sourceTexture = targetTexture = this._edgePass.getTargetTexture();\n  }\n\n  if (this._enableSSR) {\n    this._ssrPass.update(renderer, camera, sourceTexture, frame);\n\n    targetTexture = this._ssrPass.getTargetTexture();\n\n    this._ssrPass.setSSAOTexture(this._enableSSAO ? this._ssaoPass.getTargetTexture() : null); // var lights = scene.getLights();\n    // for (var i = 0; i < lights.length; i++) {\n    //     if (lights[i].cubemap) {\n    //         this._ssrPass.setAmbientCubemap(lights[i].cubemap, lights[i].intensity);\n    //     }\n    // }\n\n  }\n\n  this._sourceNode.texture = targetTexture;\n\n  this._cocNode.setParameter('depth', this._depthTexture);\n\n  var blurKernel = this._dofBlurKernel;\n  var blurKernelSize = this._dofBlurKernelSize;\n  var frameAll = Math.floor(poissonKernel.length / 2 / blurKernelSize);\n  var kernelOffset = frame % frameAll;\n\n  for (var i = 0; i < blurKernelSize * 2; i++) {\n    blurKernel[i] = poissonKernel[i + kernelOffset * blurKernelSize * 2];\n  }\n\n  for (var i = 0; i < this._dofBlurNodes.length; i++) {\n    this._dofBlurNodes[i].setParameter('percent', frame / 30.0);\n\n    this._dofBlurNodes[i].setParameter('poissonKernel', blurKernel);\n  }\n\n  this._cocNode.setParameter('zNear', camera.near);\n\n  this._cocNode.setParameter('zFar', camera.far);\n\n  this._compositor.render(renderer, framebuffer);\n};\n\nEffectCompositor.prototype.dispose = function (renderer) {\n  this._sourceTexture.dispose(renderer);\n\n  this._depthTexture.dispose(renderer);\n\n  this._framebuffer.dispose(renderer);\n\n  this._compositor.dispose(renderer);\n\n  this._normalPass.dispose(renderer);\n\n  this._ssaoPass.dispose(renderer);\n};\n\nexport default EffectCompositor;","export default \"@export ecgl.dof.coc\\n\\nuniform sampler2D depth;\\n\\nuniform float zNear: 0.1;\\nuniform float zFar: 2000;\\n\\nuniform float focalDistance: 3;\\nuniform float focalRange: 1;\\nuniform float focalLength: 30;\\nuniform float fstop: 2.8;\\n\\nvarying vec2 v_Texcoord;\\n\\n@import clay.util.encode_float\\n\\nvoid main()\\n{\\n float z = texture2D(depth, v_Texcoord).r * 2.0 - 1.0;\\n\\n float dist = 2.0 * zNear * zFar / (zFar + zNear - z * (zFar - zNear));\\n\\n float aperture = focalLength / fstop;\\n\\n float coc;\\n\\n float uppper = focalDistance + focalRange;\\n float lower = focalDistance - focalRange;\\n if (dist <= uppper && dist >= lower) {\\n coc = 0.5;\\n }\\n else {\\n float focalAdjusted = dist > uppper ? uppper : lower;\\n\\n coc = abs(aperture * (focalLength * (dist - focalAdjusted)) / (dist * (focalAdjusted - focalLength)));\\n coc = clamp(coc, 0.0, 2.0) / 2.00001;\\n\\n if (dist < lower) {\\n coc = -coc;\\n }\\n coc = coc * 0.5 + 0.5;\\n }\\n\\n gl_FragColor = encodeFloat(coc);\\n}\\n@end\\n\\n\\n@export ecgl.dof.composite\\n\\n#define DEBUG 0\\n\\nuniform sampler2D original;\\nuniform sampler2D blurred;\\nuniform sampler2D nearfield;\\nuniform sampler2D coc;\\nuniform sampler2D nearcoc;\\nvarying vec2 v_Texcoord;\\n\\n@import clay.util.rgbm\\n@import clay.util.float\\n\\nvoid main()\\n{\\n vec4 blurredColor = texture2D(blurred, v_Texcoord);\\n vec4 originalColor = texture2D(original, v_Texcoord);\\n\\n float fCoc = decodeFloat(texture2D(coc, v_Texcoord));\\n\\n fCoc = abs(fCoc * 2.0 - 1.0);\\n\\n float weight = smoothstep(0.0, 1.0, fCoc);\\n \\n#ifdef NEARFIELD_ENABLED\\n vec4 nearfieldColor = texture2D(nearfield, v_Texcoord);\\n float fNearCoc = decodeFloat(texture2D(nearcoc, v_Texcoord));\\n fNearCoc = abs(fNearCoc * 2.0 - 1.0);\\n\\n gl_FragColor = encodeHDR(\\n mix(\\n nearfieldColor, mix(originalColor, blurredColor, weight),\\n pow(1.0 - fNearCoc, 4.0)\\n )\\n );\\n#else\\n gl_FragColor = encodeHDR(mix(originalColor, blurredColor, weight));\\n#endif\\n\\n}\\n\\n@end\\n\\n\\n\\n@export ecgl.dof.diskBlur\\n\\n#define POISSON_KERNEL_SIZE 16;\\n\\nuniform sampler2D texture;\\nuniform sampler2D coc;\\nvarying vec2 v_Texcoord;\\n\\nuniform float blurRadius : 10.0;\\nuniform vec2 textureSize : [512.0, 512.0];\\n\\nuniform vec2 poissonKernel[POISSON_KERNEL_SIZE];\\n\\nuniform float percent;\\n\\nfloat nrand(const in vec2 n) {\\n return fract(sin(dot(n.xy ,vec2(12.9898,78.233))) * 43758.5453);\\n}\\n\\n@import clay.util.rgbm\\n@import clay.util.float\\n\\n\\nvoid main()\\n{\\n vec2 offset = blurRadius / textureSize;\\n\\n float rnd = 6.28318 * nrand(v_Texcoord + 0.07 * percent );\\n float cosa = cos(rnd);\\n float sina = sin(rnd);\\n vec4 basis = vec4(cosa, -sina, sina, cosa);\\n\\n#if !defined(BLUR_NEARFIELD) && !defined(BLUR_COC)\\n offset *= abs(decodeFloat(texture2D(coc, v_Texcoord)) * 2.0 - 1.0);\\n#endif\\n\\n#ifdef BLUR_COC\\n float cocSum = 0.0;\\n#else\\n vec4 color = vec4(0.0);\\n#endif\\n\\n\\n float weightSum = 0.0;\\n\\n for (int i = 0; i < POISSON_KERNEL_SIZE; i++) {\\n vec2 ofs = poissonKernel[i];\\n\\n ofs = vec2(dot(ofs, basis.xy), dot(ofs, basis.zw));\\n\\n vec2 uv = v_Texcoord + ofs * offset;\\n vec4 texel = texture2D(texture, uv);\\n\\n float w = 1.0;\\n#ifdef BLUR_COC\\n float fCoc = decodeFloat(texel) * 2.0 - 1.0;\\n cocSum += clamp(fCoc, -1.0, 0.0) * w;\\n#else\\n texel = texel;\\n #if !defined(BLUR_NEARFIELD)\\n float fCoc = decodeFloat(texture2D(coc, uv)) * 2.0 - 1.0;\\n w *= abs(fCoc);\\n #endif\\n texel.rgb *= texel.a;\\n color += texel * w;\\n#endif\\n\\n weightSum += w;\\n }\\n\\n#ifdef BLUR_COC\\n gl_FragColor = encodeFloat(clamp(cocSum / weightSum, -1.0, 0.0) * 0.5 + 0.5);\\n#else\\n color /= weightSum;\\n color.rgb /= (color.a + 0.0001);\\n gl_FragColor = color;\\n#endif\\n}\\n\\n@end\";","export default \"@export ecgl.edge\\n\\nuniform sampler2D texture;\\n\\nuniform sampler2D normalTexture;\\nuniform sampler2D depthTexture;\\n\\nuniform mat4 projectionInv;\\n\\nuniform vec2 textureSize;\\n\\nuniform vec4 edgeColor: [0,0,0,0.8];\\n\\nvarying vec2 v_Texcoord;\\n\\nvec3 packColor(vec2 coord) {\\n float z = texture2D(depthTexture, coord).r * 2.0 - 1.0;\\n vec4 p = vec4(v_Texcoord * 2.0 - 1.0, z, 1.0);\\n vec4 p4 = projectionInv * p;\\n\\n return vec3(\\n texture2D(normalTexture, coord).rg,\\n -p4.z / p4.w / 5.0\\n );\\n}\\n\\nvoid main() {\\n vec2 cc = v_Texcoord;\\n vec3 center = packColor(cc);\\n\\n float size = clamp(1.0 - (center.z - 10.0) / 100.0, 0.0, 1.0) * 0.5;\\n float dx = size / textureSize.x;\\n float dy = size / textureSize.y;\\n\\n vec2 coord;\\n vec3 topLeft = packColor(cc+vec2(-dx, -dy));\\n vec3 top = packColor(cc+vec2(0.0, -dy));\\n vec3 topRight = packColor(cc+vec2(dx, -dy));\\n vec3 left = packColor(cc+vec2(-dx, 0.0));\\n vec3 right = packColor(cc+vec2(dx, 0.0));\\n vec3 bottomLeft = packColor(cc+vec2(-dx, dy));\\n vec3 bottom = packColor(cc+vec2(0.0, dy));\\n vec3 bottomRight = packColor(cc+vec2(dx, dy));\\n\\n vec3 v = -topLeft-2.0*top-topRight+bottomLeft+2.0*bottom+bottomRight;\\n vec3 h = -bottomLeft-2.0*left-topLeft+bottomRight+2.0*right+topRight;\\n\\n float edge = sqrt(dot(h, h) + dot(v, v));\\n\\n edge = smoothstep(0.8, 1.0, edge);\\n\\n gl_FragColor = mix(texture2D(texture, v_Texcoord), vec4(edgeColor.rgb, 1.0), edgeColor.a * edge);\\n}\\n@end\";","// Temporal Super Sample for static Scene\nimport halton from './halton';\nimport Pass from 'claygl/src/compositor/Pass';\nimport FrameBuffer from 'claygl/src/FrameBuffer';\nimport Texture2D from 'claygl/src/Texture2D';\nimport Shader from 'claygl/src/Shader';\nimport Matrix4 from 'claygl/src/math/Matrix4';\n\nfunction TemporalSuperSampling(frames) {\n  var haltonSequence = [];\n\n  for (var i = 0; i < 30; i++) {\n    haltonSequence.push([halton(i, 2), halton(i, 3)]);\n  }\n\n  this._haltonSequence = haltonSequence;\n  this._frame = 0;\n  this._sourceTex = new Texture2D();\n  this._sourceFb = new FrameBuffer();\n\n  this._sourceFb.attach(this._sourceTex); // Frame texture before temporal supersampling\n\n\n  this._prevFrameTex = new Texture2D();\n  this._outputTex = new Texture2D();\n  var blendPass = this._blendPass = new Pass({\n    fragment: Shader.source('clay.compositor.blend')\n  });\n  blendPass.material.disableTexturesAll();\n  blendPass.material.enableTexture(['texture1', 'texture2']);\n  this._blendFb = new FrameBuffer({\n    depthBuffer: false\n  });\n  this._outputPass = new Pass({\n    fragment: Shader.source('clay.compositor.output'),\n    // TODO, alpha is premultiplied?\n    blendWithPrevious: true\n  });\n\n  this._outputPass.material.define('fragment', 'OUTPUT_ALPHA');\n\n  this._outputPass.material.blend = function (_gl) {\n    // FIXME.\n    // Output is premultiplied alpha when BLEND is enabled ?\n    // http://stackoverflow.com/questions/2171085/opengl-blending-with-previous-contents-of-framebuffer\n    _gl.blendEquationSeparate(_gl.FUNC_ADD, _gl.FUNC_ADD);\n\n    _gl.blendFuncSeparate(_gl.ONE, _gl.ONE_MINUS_SRC_ALPHA, _gl.ONE, _gl.ONE_MINUS_SRC_ALPHA);\n  };\n}\n\nTemporalSuperSampling.prototype = {\n  constructor: TemporalSuperSampling,\n\n  /**\n   * Jitter camera projectionMatrix\n   * @parma {clay.Renderer} renderer\n   * @param {clay.Camera} camera\n   */\n  jitterProjection: function (renderer, camera) {\n    var viewport = renderer.viewport;\n    var dpr = viewport.devicePixelRatio || renderer.getDevicePixelRatio();\n    var width = viewport.width * dpr;\n    var height = viewport.height * dpr;\n    var offset = this._haltonSequence[this._frame % this._haltonSequence.length];\n    var translationMat = new Matrix4();\n    translationMat.array[12] = (offset[0] * 2.0 - 1.0) / width;\n    translationMat.array[13] = (offset[1] * 2.0 - 1.0) / height;\n    Matrix4.mul(camera.projectionMatrix, translationMat, camera.projectionMatrix);\n    Matrix4.invert(camera.invProjectionMatrix, camera.projectionMatrix);\n  },\n\n  /**\n   * Reset accumulating frame\n   */\n  resetFrame: function () {\n    this._frame = 0;\n  },\n\n  /**\n   * Return current frame\n   */\n  getFrame: function () {\n    return this._frame;\n  },\n\n  /**\n   * Get source framebuffer for usage\n   */\n  getSourceFrameBuffer: function () {\n    return this._sourceFb;\n  },\n  getOutputTexture: function () {\n    return this._outputTex;\n  },\n  resize: function (width, height) {\n    this._prevFrameTex.width = width;\n    this._prevFrameTex.height = height;\n    this._outputTex.width = width;\n    this._outputTex.height = height;\n    this._sourceTex.width = width;\n    this._sourceTex.height = height;\n\n    this._prevFrameTex.dirty();\n\n    this._outputTex.dirty();\n\n    this._sourceTex.dirty();\n  },\n  isFinished: function () {\n    return this._frame >= this._haltonSequence.length;\n  },\n  render: function (renderer, sourceTex, notOutput) {\n    var blendPass = this._blendPass;\n\n    if (this._frame === 0) {\n      // Direct output\n      blendPass.setUniform('weight1', 0);\n      blendPass.setUniform('weight2', 1);\n    } else {\n      blendPass.setUniform('weight1', 0.9);\n      blendPass.setUniform('weight2', 0.1);\n    }\n\n    blendPass.setUniform('texture1', this._prevFrameTex);\n    blendPass.setUniform('texture2', sourceTex || this._sourceTex);\n\n    this._blendFb.attach(this._outputTex);\n\n    this._blendFb.bind(renderer);\n\n    blendPass.render(renderer);\n\n    this._blendFb.unbind(renderer);\n\n    if (!notOutput) {\n      this._outputPass.setUniform('texture', this._outputTex);\n\n      this._outputPass.render(renderer);\n    } // Swap texture\n\n\n    var tmp = this._prevFrameTex;\n    this._prevFrameTex = this._outputTex;\n    this._outputTex = tmp;\n    this._frame++;\n  },\n  dispose: function (renderer) {\n    this._sourceFb.dispose(renderer);\n\n    this._blendFb.dispose(renderer);\n\n    this._prevFrameTex.dispose(renderer);\n\n    this._outputTex.dispose(renderer);\n\n    this._sourceTex.dispose(renderer);\n\n    this._outputPass.dispose(renderer);\n\n    this._blendPass.dispose(renderer);\n  }\n};\nexport default TemporalSuperSampling;","/*\n * @module echarts-gl/core/ViewGL\n * @author Yi Shen(http://github.com/pissang)\n */\nimport * as echarts from 'echarts/lib/echarts';\nimport Scene from 'claygl/src/Scene';\nimport ShadowMapPass from 'claygl/src/prePass/ShadowMap';\nimport PerspectiveCamera from 'claygl/src/camera/Perspective';\nimport OrthographicCamera from 'claygl/src/camera/Orthographic';\nimport Matrix4 from 'claygl/src/math/Matrix4';\nimport Vector3 from 'claygl/src/math/Vector3';\nimport Vector2 from 'claygl/src/math/Vector2';\nimport notifier from 'claygl/src/core/mixin/notifier';\nimport EffectCompositor from '../effect/EffectCompositor';\nimport TemporalSuperSampling from '../effect/TemporalSuperSampling';\nimport halton from '../effect/halton';\n/**\n * @constructor\n * @alias module:echarts-gl/core/ViewGL\n * @param {string} [projection='perspective']\n */\n\nfunction ViewGL(projection) {\n  projection = projection || 'perspective';\n  /**\n   * @type {module:echarts-gl/core/LayerGL}\n   */\n\n  this.layer = null;\n  /**\n   * @type {clay.Scene}\n   */\n\n  this.scene = new Scene();\n  /**\n   * @type {clay.Node}\n   */\n\n  this.rootNode = this.scene;\n  this.viewport = {\n    x: 0,\n    y: 0,\n    width: 0,\n    height: 0\n  };\n  this.setProjection(projection);\n  this._compositor = new EffectCompositor();\n  this._temporalSS = new TemporalSuperSampling();\n  this._shadowMapPass = new ShadowMapPass();\n  var pcfKernels = [];\n  var off = 0;\n\n  for (var i = 0; i < 30; i++) {\n    var pcfKernel = [];\n\n    for (var k = 0; k < 6; k++) {\n      pcfKernel.push(halton(off, 2) * 4.0 - 2.0);\n      pcfKernel.push(halton(off, 3) * 4.0 - 2.0);\n      off++;\n    }\n\n    pcfKernels.push(pcfKernel);\n  }\n\n  this._pcfKernels = pcfKernels;\n  this.scene.on('beforerender', function (renderer, scene, camera) {\n    if (this.needsTemporalSS()) {\n      this._temporalSS.jitterProjection(renderer, camera);\n    }\n  }, this);\n}\n/**\n * Set camera type of group\n * @param {string} cameraType 'perspective' | 'orthographic'\n */\n\n\nViewGL.prototype.setProjection = function (projection) {\n  var oldCamera = this.camera;\n  oldCamera && oldCamera.update();\n\n  if (projection === 'perspective') {\n    if (!(this.camera instanceof PerspectiveCamera)) {\n      this.camera = new PerspectiveCamera();\n\n      if (oldCamera) {\n        this.camera.setLocalTransform(oldCamera.localTransform);\n      }\n    }\n  } else {\n    if (!(this.camera instanceof OrthographicCamera)) {\n      this.camera = new OrthographicCamera();\n\n      if (oldCamera) {\n        this.camera.setLocalTransform(oldCamera.localTransform);\n      }\n    }\n  } // PENDING\n\n\n  this.camera.near = 0.1;\n  this.camera.far = 2000;\n};\n/**\n * Set viewport of group\n * @param {number} x Viewport left bottom x\n * @param {number} y Viewport left bottom y\n * @param {number} width Viewport height\n * @param {number} height Viewport height\n * @param {number} [dpr=1]\n */\n\n\nViewGL.prototype.setViewport = function (x, y, width, height, dpr) {\n  if (this.camera instanceof PerspectiveCamera) {\n    this.camera.aspect = width / height;\n  }\n\n  dpr = dpr || 1;\n  this.viewport.x = x;\n  this.viewport.y = y;\n  this.viewport.width = width;\n  this.viewport.height = height;\n  this.viewport.devicePixelRatio = dpr; // Source and output of compositor use high dpr texture.\n  // But the intermediate texture of bloom, dof effects use fixed 1.0 dpr\n\n  this._compositor.resize(width * dpr, height * dpr);\n\n  this._temporalSS.resize(width * dpr, height * dpr);\n};\n/**\n * If contain screen point x, y\n * @param {number} x offsetX\n * @param {number} y offsetY\n * @return {boolean}\n */\n\n\nViewGL.prototype.containPoint = function (x, y) {\n  var viewport = this.viewport;\n  var height = this.layer.renderer.getHeight(); // Flip y;\n\n  y = height - y;\n  return x >= viewport.x && y >= viewport.y && x <= viewport.x + viewport.width && y <= viewport.y + viewport.height;\n};\n/**\n * Cast a ray\n * @param {number} x offsetX\n * @param {number} y offsetY\n * @param {clay.math.Ray} out\n * @return {clay.math.Ray}\n */\n\n\nvar ndc = new Vector2();\n\nViewGL.prototype.castRay = function (x, y, out) {\n  var renderer = this.layer.renderer;\n  var oldViewport = renderer.viewport;\n  renderer.viewport = this.viewport;\n  renderer.screenToNDC(x, y, ndc);\n  this.camera.castRay(ndc, out);\n  renderer.viewport = oldViewport;\n  return out;\n};\n/**\n * Prepare and update scene before render\n */\n\n\nViewGL.prototype.prepareRender = function () {\n  this.scene.update();\n  this.camera.update();\n  this.scene.updateLights();\n  var renderList = this.scene.updateRenderList(this.camera);\n  this._needsSortProgressively = false; // If has any transparent mesh needs sort triangles progressively.\n\n  for (var i = 0; i < renderList.transparent.length; i++) {\n    var renderable = renderList.transparent[i];\n    var geometry = renderable.geometry;\n\n    if (geometry.needsSortVerticesProgressively && geometry.needsSortVerticesProgressively()) {\n      this._needsSortProgressively = true;\n    }\n\n    if (geometry.needsSortTrianglesProgressively && geometry.needsSortTrianglesProgressively()) {\n      this._needsSortProgressively = true;\n    }\n  }\n\n  this._frame = 0;\n\n  this._temporalSS.resetFrame(); // var lights = this.scene.getLights();\n  // for (var i = 0; i < lights.length; i++) {\n  //     if (lights[i].cubemap) {\n  //         if (this._compositor && this._compositor.isSSREnabled()) {\n  //             lights[i].invisible = true;\n  //         }\n  //         else {\n  //             lights[i].invisible = false;\n  //         }\n  //     }\n  // }\n\n};\n\nViewGL.prototype.render = function (renderer, accumulating) {\n  this._doRender(renderer, accumulating, this._frame);\n\n  this._frame++;\n};\n\nViewGL.prototype.needsAccumulate = function () {\n  return this.needsTemporalSS() || this._needsSortProgressively;\n};\n\nViewGL.prototype.needsTemporalSS = function () {\n  var enableTemporalSS = this._enableTemporalSS;\n\n  if (enableTemporalSS === 'auto') {\n    enableTemporalSS = this._enablePostEffect;\n  }\n\n  return enableTemporalSS;\n};\n\nViewGL.prototype.hasDOF = function () {\n  return this._enableDOF;\n};\n\nViewGL.prototype.isAccumulateFinished = function () {\n  return this.needsTemporalSS() ? this._temporalSS.isFinished() : this._frame > 30;\n};\n\nViewGL.prototype._doRender = function (renderer, accumulating, accumFrame) {\n  var scene = this.scene;\n  var camera = this.camera;\n  accumFrame = accumFrame || 0;\n\n  this._updateTransparent(renderer, scene, camera, accumFrame);\n\n  if (!accumulating) {\n    this._shadowMapPass.kernelPCF = this._pcfKernels[0]; // Not render shadowmap pass in accumulating frame.\n\n    this._shadowMapPass.render(renderer, scene, camera, true);\n  }\n\n  this._updateShadowPCFKernel(accumFrame); // Shadowmap will set clear color.\n\n\n  var bgColor = renderer.clearColor;\n  renderer.gl.clearColor(bgColor[0], bgColor[1], bgColor[2], bgColor[3]);\n\n  if (this._enablePostEffect) {\n    // normal render also needs to be jittered when have edge pass.\n    if (this.needsTemporalSS()) {\n      this._temporalSS.jitterProjection(renderer, camera);\n    }\n\n    this._compositor.updateNormal(renderer, scene, camera, this._temporalSS.getFrame());\n  } // Always update SSAO to make sure have correct ssaoMap status\n\n\n  this._updateSSAO(renderer, scene, camera, this._temporalSS.getFrame());\n\n  if (this._enablePostEffect) {\n    var frameBuffer = this._compositor.getSourceFrameBuffer();\n\n    frameBuffer.bind(renderer);\n    renderer.gl.clear(renderer.gl.DEPTH_BUFFER_BIT | renderer.gl.COLOR_BUFFER_BIT);\n    renderer.render(scene, camera, true, true);\n    frameBuffer.unbind(renderer);\n\n    if (this.needsTemporalSS() && accumulating) {\n      this._compositor.composite(renderer, scene, camera, this._temporalSS.getSourceFrameBuffer(), this._temporalSS.getFrame());\n\n      renderer.setViewport(this.viewport);\n\n      this._temporalSS.render(renderer);\n    } else {\n      renderer.setViewport(this.viewport);\n\n      this._compositor.composite(renderer, scene, camera, null, 0);\n    }\n  } else {\n    if (this.needsTemporalSS() && accumulating) {\n      var frameBuffer = this._temporalSS.getSourceFrameBuffer();\n\n      frameBuffer.bind(renderer);\n      renderer.saveClear();\n      renderer.clearBit = renderer.gl.DEPTH_BUFFER_BIT | renderer.gl.COLOR_BUFFER_BIT;\n      renderer.render(scene, camera, true, true);\n      renderer.restoreClear();\n      frameBuffer.unbind(renderer);\n      renderer.setViewport(this.viewport);\n\n      this._temporalSS.render(renderer);\n    } else {\n      renderer.setViewport(this.viewport);\n      renderer.render(scene, camera, true, true);\n    }\n  } // this._shadowMapPass.renderDebug(renderer);\n  // this._compositor._normalPass.renderDebug(renderer);\n\n};\n\nViewGL.prototype._updateTransparent = function (renderer, scene, camera, frame) {\n  var v3 = new Vector3();\n  var invWorldTransform = new Matrix4();\n  var cameraWorldPosition = camera.getWorldPosition();\n  var transparentList = scene.getRenderList(camera).transparent; // Sort transparent object.\n\n  for (var i = 0; i < transparentList.length; i++) {\n    var renderable = transparentList[i];\n    var geometry = renderable.geometry;\n    Matrix4.invert(invWorldTransform, renderable.worldTransform);\n    Vector3.transformMat4(v3, cameraWorldPosition, invWorldTransform);\n\n    if (geometry.needsSortTriangles && geometry.needsSortTriangles()) {\n      geometry.doSortTriangles(v3, frame);\n    }\n\n    if (geometry.needsSortVertices && geometry.needsSortVertices()) {\n      geometry.doSortVertices(v3, frame);\n    }\n  }\n};\n\nViewGL.prototype._updateSSAO = function (renderer, scene, camera) {\n  var ifEnableSSAO = this._enableSSAO && this._enablePostEffect;\n\n  if (ifEnableSSAO) {\n    this._compositor.updateSSAO(renderer, scene, camera, this._temporalSS.getFrame());\n  }\n\n  var renderList = scene.getRenderList(camera);\n\n  for (var i = 0; i < renderList.opaque.length; i++) {\n    var renderable = renderList.opaque[i]; // PENDING\n\n    if (renderable.renderNormal) {\n      renderable.material[ifEnableSSAO ? 'enableTexture' : 'disableTexture']('ssaoMap');\n    }\n\n    if (ifEnableSSAO) {\n      renderable.material.set('ssaoMap', this._compositor.getSSAOTexture());\n    }\n  }\n};\n\nViewGL.prototype._updateShadowPCFKernel = function (frame) {\n  var pcfKernel = this._pcfKernels[frame % this._pcfKernels.length];\n  var renderList = this.scene.getRenderList(this.camera);\n  var opaqueList = renderList.opaque;\n\n  for (var i = 0; i < opaqueList.length; i++) {\n    if (opaqueList[i].receiveShadow) {\n      opaqueList[i].material.set('pcfKernel', pcfKernel);\n      opaqueList[i].material.define('fragment', 'PCF_KERNEL_SIZE', pcfKernel.length / 2);\n    }\n  }\n};\n\nViewGL.prototype.dispose = function (renderer) {\n  this._compositor.dispose(renderer.gl);\n\n  this._temporalSS.dispose(renderer.gl);\n\n  this._shadowMapPass.dispose(renderer);\n};\n/**\n * @param {module:echarts/Model} Post effect model\n */\n\n\nViewGL.prototype.setPostEffect = function (postEffectModel, api) {\n  var compositor = this._compositor;\n  this._enablePostEffect = postEffectModel.get('enable');\n  var bloomModel = postEffectModel.getModel('bloom');\n  var edgeModel = postEffectModel.getModel('edge');\n  var dofModel = postEffectModel.getModel('DOF', postEffectModel.getModel('depthOfField'));\n  var ssaoModel = postEffectModel.getModel('SSAO', postEffectModel.getModel('screenSpaceAmbientOcclusion'));\n  var ssrModel = postEffectModel.getModel('SSR', postEffectModel.getModel('screenSpaceReflection'));\n  var fxaaModel = postEffectModel.getModel('FXAA');\n  var colorCorrModel = postEffectModel.getModel('colorCorrection');\n  bloomModel.get('enable') ? compositor.enableBloom() : compositor.disableBloom();\n  dofModel.get('enable') ? compositor.enableDOF() : compositor.disableDOF();\n  ssrModel.get('enable') ? compositor.enableSSR() : compositor.disableSSR();\n  colorCorrModel.get('enable') ? compositor.enableColorCorrection() : compositor.disableColorCorrection();\n  edgeModel.get('enable') ? compositor.enableEdge() : compositor.disableEdge();\n  fxaaModel.get('enable') ? compositor.enableFXAA() : compositor.disableFXAA();\n  this._enableDOF = dofModel.get('enable');\n  this._enableSSAO = ssaoModel.get('enable');\n  this._enableSSAO ? compositor.enableSSAO() : compositor.disableSSAO();\n  compositor.setBloomIntensity(bloomModel.get('intensity'));\n  compositor.setEdgeColor(edgeModel.get('color'));\n  compositor.setColorLookupTexture(colorCorrModel.get('lookupTexture'), api);\n  compositor.setExposure(colorCorrModel.get('exposure'));\n  ['radius', 'quality', 'intensity'].forEach(function (name) {\n    compositor.setSSAOParameter(name, ssaoModel.get(name));\n  });\n  ['quality', 'maxRoughness', 'physical'].forEach(function (name) {\n    compositor.setSSRParameter(name, ssrModel.get(name));\n  });\n  ['quality', 'focalDistance', 'focalRange', 'blurRadius', 'fstop'].forEach(function (name) {\n    compositor.setDOFParameter(name, dofModel.get(name));\n  });\n  ['brightness', 'contrast', 'saturation'].forEach(function (name) {\n    compositor.setColorCorrection(name, colorCorrModel.get(name));\n  });\n};\n\nViewGL.prototype.setDOFFocusOnPoint = function (depth) {\n  if (this._enablePostEffect) {\n    if (depth > this.camera.far || depth < this.camera.near) {\n      return;\n    }\n\n    this._compositor.setDOFParameter('focalDistance', depth);\n\n    return true;\n  }\n};\n\nViewGL.prototype.setTemporalSuperSampling = function (temporalSuperSamplingModel) {\n  this._enableTemporalSS = temporalSuperSamplingModel.get('enable');\n};\n\nViewGL.prototype.isLinearSpace = function () {\n  return this._enablePostEffect;\n};\n\nViewGL.prototype.setRootNode = function (rootNode) {\n  if (this.rootNode === rootNode) {\n    return;\n  }\n\n  var children = this.rootNode.children();\n\n  for (var i = 0; i < children.length; i++) {\n    rootNode.add(children[i]);\n  }\n\n  if (rootNode !== this.scene) {\n    this.scene.add(rootNode);\n  }\n\n  this.rootNode = rootNode;\n}; // Proxies\n\n\nViewGL.prototype.add = function (node3D) {\n  this.rootNode.add(node3D);\n};\n\nViewGL.prototype.remove = function (node3D) {\n  this.rootNode.remove(node3D);\n};\n\nViewGL.prototype.removeAll = function (node3D) {\n  this.rootNode.removeAll(node3D);\n};\n\nObject.assign(ViewGL.prototype, notifier);\nexport default ViewGL;","import Cartesian3D from './grid3D/Cartesian3D';\nimport Axis3D from './grid3D/Axis3D';\nimport * as echarts from 'echarts/lib/echarts';\nimport { getLayoutRect } from 'echarts/lib/util/layout';\nimport ViewGL from '../core/ViewGL';\nimport retrieve from '../util/retrieve';\n\nfunction resizeCartesian3D(grid3DModel, api) {\n  // Use left/top/width/height\n  var boxLayoutOption = grid3DModel.getBoxLayoutParams();\n  var viewport = getLayoutRect(boxLayoutOption, {\n    width: api.getWidth(),\n    height: api.getHeight()\n  }); // Flip Y\n\n  viewport.y = api.getHeight() - viewport.y - viewport.height;\n  this.viewGL.setViewport(viewport.x, viewport.y, viewport.width, viewport.height, api.getDevicePixelRatio());\n  var boxWidth = grid3DModel.get('boxWidth');\n  var boxHeight = grid3DModel.get('boxHeight');\n  var boxDepth = grid3DModel.get('boxDepth');\n\n  if (process.env.NODE_ENV !== 'production') {\n    ['x', 'y', 'z'].forEach(function (dim) {\n      if (!this.getAxis(dim)) {\n        throw new Error('Grid' + grid3DModel.id + ' don\\'t have ' + dim + 'Axis');\n      }\n    }, this);\n  }\n\n  this.getAxis('x').setExtent(-boxWidth / 2, boxWidth / 2); // From near to far\n\n  this.getAxis('y').setExtent(boxDepth / 2, -boxDepth / 2);\n  this.getAxis('z').setExtent(-boxHeight / 2, boxHeight / 2);\n  this.size = [boxWidth, boxHeight, boxDepth];\n}\n\nfunction updateCartesian3D(ecModel, api) {\n  var dataExtents = {};\n\n  function unionDataExtents(dim, extent) {\n    dataExtents[dim] = dataExtents[dim] || [Infinity, -Infinity];\n    dataExtents[dim][0] = Math.min(extent[0], dataExtents[dim][0]);\n    dataExtents[dim][1] = Math.max(extent[1], dataExtents[dim][1]);\n  } // Get data extents for scale.\n\n\n  ecModel.eachSeries(function (seriesModel) {\n    if (seriesModel.coordinateSystem !== this) {\n      return;\n    }\n\n    var data = seriesModel.getData();\n    ['x', 'y', 'z'].forEach(function (coordDim) {\n      data.mapDimensionsAll(coordDim, true).forEach(function (dataDim) {\n        unionDataExtents(coordDim, data.getDataExtent(dataDim, true));\n      });\n    });\n  }, this);\n  ['xAxis3D', 'yAxis3D', 'zAxis3D'].forEach(function (axisType) {\n    ecModel.eachComponent(axisType, function (axisModel) {\n      var dim = axisType.charAt(0);\n      var grid3DModel = axisModel.getReferringComponents('grid3D').models[0];\n      var cartesian3D = grid3DModel.coordinateSystem;\n\n      if (cartesian3D !== this) {\n        return;\n      }\n\n      var axis = cartesian3D.getAxis(dim);\n\n      if (axis) {\n        if (process.env.NODE_ENV !== 'production') {\n          console.warn('Can\\'t have two %s in one grid3D', axisType);\n        }\n\n        return;\n      }\n\n      var scale = echarts.helper.createScale(dataExtents[dim] || [Infinity, -Infinity], axisModel);\n      axis = new Axis3D(dim, scale);\n      axis.type = axisModel.get('type');\n      var isCategory = axis.type === 'category';\n      axis.onBand = isCategory && axisModel.get('boundaryGap');\n      axis.inverse = axisModel.get('inverse');\n      axisModel.axis = axis;\n      axis.model = axisModel; // override `echarts/coord/Axis#getLabelModel`\n\n      axis.getLabelModel = function () {\n        return axisModel.getModel('axisLabel', grid3DModel.getModel('axisLabel'));\n      }; // override `echarts/coord/Axis#getTickModel`\n\n\n      axis.getTickModel = function () {\n        return axisModel.getModel('axisTick', grid3DModel.getModel('axisTick'));\n      };\n\n      cartesian3D.addAxis(axis);\n    }, this);\n  }, this);\n  this.resize(this.model, api);\n}\n\nvar grid3DCreator = {\n  dimensions: Cartesian3D.prototype.dimensions,\n  create: function (ecModel, api) {\n    var cartesian3DList = [];\n    ecModel.eachComponent('grid3D', function (grid3DModel) {\n      // FIXME\n      grid3DModel.__viewGL = grid3DModel.__viewGL || new ViewGL();\n      var cartesian3D = new Cartesian3D();\n      cartesian3D.model = grid3DModel;\n      cartesian3D.viewGL = grid3DModel.__viewGL;\n      grid3DModel.coordinateSystem = cartesian3D;\n      cartesian3DList.push(cartesian3D); // Inject resize and update\n\n      cartesian3D.resize = resizeCartesian3D;\n      cartesian3D.update = updateCartesian3D;\n    });\n    var axesTypes = ['xAxis3D', 'yAxis3D', 'zAxis3D'];\n\n    function findAxesModels(seriesModel, ecModel) {\n      return axesTypes.map(function (axisType) {\n        var axisModel = seriesModel.getReferringComponents(axisType).models[0];\n\n        if (axisModel == null) {\n          axisModel = ecModel.getComponent(axisType);\n        }\n\n        if (process.env.NODE_ENV !== 'production') {\n          if (!axisModel) {\n            throw new Error(axisType + ' \"' + retrieve.firstNotNull(seriesModel.get(axisType + 'Index'), seriesModel.get(axisType + 'Id'), 0) + '\" not found');\n          }\n        }\n\n        return axisModel;\n      });\n    }\n\n    ecModel.eachSeries(function (seriesModel) {\n      if (seriesModel.get('coordinateSystem') !== 'cartesian3D') {\n        return;\n      }\n\n      var firstGridModel = seriesModel.getReferringComponents('grid3D').models[0];\n\n      if (firstGridModel == null) {\n        var axesModels = findAxesModels(seriesModel, ecModel);\n        var firstGridModel = axesModels[0].getCoordSysModel();\n        axesModels.forEach(function (axisModel) {\n          var grid3DModel = axisModel.getCoordSysModel();\n\n          if (process.env.NODE_ENV !== 'production') {\n            if (!grid3DModel) {\n              throw new Error('grid3D \"' + retrieve.firstNotNull(axisModel.get('gridIndex'), axisModel.get('gridId'), 0) + '\" not found');\n            }\n\n            if (grid3DModel !== firstGridModel) {\n              throw new Error('xAxis3D, yAxis3D, zAxis3D must use the same grid');\n            }\n          }\n        });\n      }\n\n      var coordSys = firstGridModel.coordinateSystem;\n      seriesModel.coordinateSystem = coordSys;\n    });\n    return cartesian3DList;\n  }\n};\nexport default grid3DCreator;","import * as echarts from 'echarts/lib/echarts';\nvar Axis3DModel = echarts.ComponentModel.extend({\n  type: 'cartesian3DAxis',\n  axis: null,\n\n  /**\n   * @override\n   */\n  getCoordSysModel: function () {\n    return this.ecModel.queryComponents({\n      mainType: 'grid3D',\n      index: this.option.gridIndex,\n      id: this.option.gridId\n    })[0];\n  }\n});\necharts.helper.mixinAxisModelCommonMethods(Axis3DModel);\nexport default Axis3DModel;","import * as echarts from 'echarts/lib/echarts';\nvar defaultOption = {\n  show: true,\n  grid3DIndex: 0,\n  // 反向坐标轴\n  inverse: false,\n  // 坐标轴名字\n  name: '',\n  // 坐标轴名字位置\n  nameLocation: 'middle',\n  nameTextStyle: {\n    fontSize: 16\n  },\n  // 文字与轴线距离\n  nameGap: 20,\n  axisPointer: {},\n  axisLine: {},\n  // 坐标轴小标记\n  axisTick: {},\n  axisLabel: {},\n  // 分隔区域\n  splitArea: {}\n};\nvar categoryAxis = echarts.util.merge({\n  // 类目起始和结束两端空白策略\n  boundaryGap: true,\n  // splitArea: {\n  // show: false\n  // },\n  // 坐标轴小标记\n  axisTick: {\n    // If tick is align with label when boundaryGap is true\n    // Default with axisTick\n    alignWithLabel: false,\n    interval: 'auto'\n  },\n  // 坐标轴文本标签，详见axis.axisLabel\n  axisLabel: {\n    interval: 'auto'\n  },\n  axisPointer: {\n    label: {\n      show: false\n    }\n  }\n}, defaultOption);\nvar valueAxis = echarts.util.merge({\n  // 数值起始和结束两端空白策略\n  boundaryGap: [0, 0],\n  // 最小值, 设置成 'dataMin' 则从数据中计算最小值\n  // min: null,\n  // 最大值，设置成 'dataMax' 则从数据中计算最大值\n  // max: null,\n  // 脱离0值比例，放大聚焦到最终_min，_max区间\n  // scale: false,\n  // 分割段数，默认为5\n  splitNumber: 5,\n  // Minimum interval\n  // minInterval: null\n  axisPointer: {\n    label: {}\n  }\n}, defaultOption); // FIXME\n\nvar timeAxis = echarts.util.defaults({\n  scale: true,\n  min: 'dataMin',\n  max: 'dataMax'\n}, valueAxis);\nvar logAxis = echarts.util.defaults({\n  logBase: 10\n}, valueAxis);\nlogAxis.scale = true;\nexport default {\n  categoryAxis3D: categoryAxis,\n  valueAxis3D: valueAxis,\n  timeAxis3D: timeAxis,\n  logAxis3D: logAxis\n};","import * as echarts from 'echarts/lib/echarts';\nimport axisDefault from './axis3DDefault';\nimport OrdinalMeta from 'echarts/lib/data/OrdinalMeta';\nvar AXIS_TYPES = ['value', 'category', 'time', 'log'];\n/**\n * Generate sub axis model class\n * @param {} registers\n * @param {string} dim 'x' 'y' 'radius' 'angle' 'parallel'\n * @param {module:echarts/model/Component} BaseAxisModelClass\n * @param {Function} axisTypeDefaulter\n * @param {Object} [extraDefaultOption]\n */\n\nexport default function (registers, dim, BaseAxisModelClass, axisTypeDefaulter, extraDefaultOption) {\n  AXIS_TYPES.forEach(function (axisType) {\n    var AxisModel = BaseAxisModelClass.extend({\n      type: dim + 'Axis3D.' + axisType,\n\n      /**\n       * @type readOnly\n       */\n      __ordinalMeta: null,\n      mergeDefaultAndTheme: function (option, ecModel) {\n        var themeModel = ecModel.getTheme();\n        echarts.util.merge(option, themeModel.get(axisType + 'Axis3D'));\n        echarts.util.merge(option, this.getDefaultOption());\n        option.type = axisTypeDefaulter(dim, option);\n      },\n\n      /**\n       * @override\n       */\n      optionUpdated: function () {\n        var thisOption = this.option;\n\n        if (thisOption.type === 'category') {\n          this.__ordinalMeta = OrdinalMeta.createByAxisModel(this);\n        }\n      },\n      getCategories: function () {\n        if (this.option.type === 'category') {\n          return this.__ordinalMeta.categories;\n        }\n      },\n      getOrdinalMeta: function () {\n        return this.__ordinalMeta;\n      },\n      defaultOption: echarts.util.merge(echarts.util.clone(axisDefault[axisType + 'Axis3D']), extraDefaultOption || {}, true)\n    });\n    registers.registerComponentModel(AxisModel);\n  }); // TODO\n\n  registers.registerSubTypeDefaulter(dim + 'Axis3D', echarts.util.curry(axisTypeDefaulter, dim));\n}\n;","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport Grid3DModel from './Grid3DModel';\nimport Grid3DView from './Grid3DView';\nimport grid3DCreator from '../../coord/grid3DCreator';\nimport Axis3DModel from './Axis3DModel';\nimport createAxis3DModel from './createAxis3DModel';\n\nfunction getAxisType(axisDim, option) {\n  // Default axis with data is category axis\n  return option.type || (option.data ? 'category' : 'value');\n}\n\nexport function install(registers) {\n  registers.registerComponentModel(Grid3DModel);\n  registers.registerComponentView(Grid3DView);\n  registers.registerCoordinateSystem('grid3D', grid3DCreator);\n  ['x', 'y', 'z'].forEach(function (dim) {\n    createAxis3DModel(registers, dim, Axis3DModel, getAxisType, {\n      name: dim.toUpperCase()\n    });\n    const AxisView = registers.ComponentView.extend({\n      type: dim + 'Axis3D'\n    });\n    registers.registerComponentView(AxisView);\n  });\n  registers.registerAction({\n    type: 'grid3DChangeCamera',\n    event: 'grid3dcamerachanged',\n    update: 'series:updateCamera'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'grid3D',\n      query: payload\n    }, function (componentModel) {\n      componentModel.setView(payload);\n    });\n  });\n  registers.registerAction({\n    type: 'grid3DShowAxisPointer',\n    event: 'grid3dshowaxispointer',\n    update: 'grid3D:showAxisPointer'\n  }, function (payload, ecModel) {});\n  registers.registerAction({\n    type: 'grid3DHideAxisPointer',\n    event: 'grid3dhideaxispointer',\n    update: 'grid3D:hideAxisPointer'\n  }, function (payload, ecModel) {});\n}","import { use } from 'echarts/lib/echarts';\nimport { install } from './grid3D/install';\nuse(install);","export default {\n  defaultOption: {\n    shading: null,\n    realisticMaterial: {\n      textureTiling: 1,\n      textureOffset: 0,\n      detailTexture: null\n    },\n    lambertMaterial: {\n      textureTiling: 1,\n      textureOffset: 0,\n      detailTexture: null\n    },\n    colorMaterial: {\n      textureTiling: 1,\n      textureOffset: 0,\n      detailTexture: null\n    },\n    hatchingMaterial: {\n      textureTiling: 1,\n      textureOffset: 0,\n      paperColor: '#fff'\n    }\n  }\n};","import * as echarts from 'echarts/lib/echarts';\nexport default {\n  getFilledRegions: function (regions, mapData) {\n    var regionsArr = (regions || []).slice();\n    var geoJson;\n\n    if (typeof mapData === 'string') {\n      mapData = echarts.getMap(mapData);\n      geoJson = mapData && mapData.geoJson;\n    } else {\n      if (mapData && mapData.features) {\n        geoJson = mapData;\n      }\n    }\n\n    if (!geoJson) {\n      if (process.env.NODE_ENV !== 'production') {\n        console.error('Map ' + mapData + ' not exists. You can download map file on http://echarts.baidu.com/download-map.html');\n\n        if (!geoJson.features) {\n          console.error('Invalid GeoJSON for map3D');\n        }\n      }\n\n      return [];\n    }\n\n    var dataNameMap = {};\n    var features = geoJson.features;\n\n    for (var i = 0; i < regionsArr.length; i++) {\n      dataNameMap[regionsArr[i].name] = regionsArr[i];\n    }\n\n    for (var i = 0; i < features.length; i++) {\n      var name = features[i].properties.name;\n\n      if (!dataNameMap[name]) {\n        regionsArr.push({\n          name: name\n        });\n      }\n    }\n\n    return regionsArr;\n  },\n  defaultOption: {\n    show: true,\n    zlevel: -10,\n    // geoJson used by geo3D\n    map: '',\n    // Layout used for viewport\n    left: 0,\n    top: 0,\n    width: '100%',\n    height: '100%',\n    boxWidth: 100,\n    boxHeight: 10,\n    boxDepth: 'auto',\n    regionHeight: 3,\n    environment: 'auto',\n    groundPlane: {\n      show: false,\n      color: '#aaa'\n    },\n    shading: 'lambert',\n    light: {\n      main: {\n        alpha: 40,\n        beta: 30\n      }\n    },\n    viewControl: {\n      alpha: 40,\n      beta: 0,\n      distance: 100,\n      orthographicSize: 60,\n      minAlpha: 5,\n      minBeta: -80,\n      maxBeta: 80\n    },\n    label: {\n      show: false,\n      // Distance in 3d space.\n      distance: 2,\n      textStyle: {\n        fontSize: 20,\n        color: '#000',\n        backgroundColor: 'rgba(255,255,255,0.7)',\n        padding: 3,\n        borderRadius: 4\n      }\n    },\n    // TODO\n    // altitude: {\n    //     min: 'auto',\n    //     max: 'auto',\n    //     height: []\n    // },\n    // labelLine\n    // light\n    // postEffect\n    // temporalSuperSampling\n    itemStyle: {\n      color: '#fff',\n      borderWidth: 0,\n      borderColor: '#333'\n    },\n    emphasis: {\n      itemStyle: {\n        // color: '#f94b59'\n        color: '#639fc0'\n      },\n      label: {\n        show: true\n      }\n    }\n  }\n};","import * as echarts from 'echarts/lib/echarts';\nimport componentViewControlMixin from '../common/componentViewControlMixin';\nimport componentPostEffectMixin from '../common/componentPostEffectMixin';\nimport componentLightMixin from '../common/componentLightMixin';\nimport componentShadingMixin from '../common/componentShadingMixin';\nimport geo3DModelMixin from '../../coord/geo3D/geo3DModelMixin';\nvar Geo3DModel = echarts.ComponentModel.extend({\n  type: 'geo3D',\n  layoutMode: 'box',\n  coordinateSystem: null,\n  optionUpdated: function () {\n    var option = this.option;\n    option.regions = this.getFilledRegions(option.regions, option.map);\n    var dimensions = echarts.helper.createDimensions(option.data || [], {\n      coordDimensions: ['value'],\n      encodeDefine: this.get('encode'),\n      dimensionsDefine: this.get('dimensions')\n    });\n    var list = new echarts.List(dimensions, this);\n    list.initData(option.regions);\n    var regionModelMap = {};\n    list.each(function (idx) {\n      var name = list.getName(idx);\n      var itemModel = list.getItemModel(idx);\n      regionModelMap[name] = itemModel;\n    });\n    this._regionModelMap = regionModelMap;\n    this._data = list;\n  },\n  getData: function () {\n    return this._data;\n  },\n  getRegionModel: function (idx) {\n    var name = this.getData().getName(idx);\n    return this._regionModelMap[name] || new echarts.Model(null, this);\n  },\n  getRegionPolygonCoords: function (idx) {\n    var name = this.getData().getName(idx);\n    var region = this.coordinateSystem.getRegion(name);\n    return region ? region.geometries : [];\n  },\n\n  /**\n   * Format label\n   * @param {string} name Region name\n   * @param {string} [status='normal'] 'normal' or 'emphasis'\n   * @return {string}\n   */\n  getFormattedLabel: function (dataIndex, status) {\n    var name = this._data.getName(dataIndex);\n\n    var regionModel = this.getRegionModel(dataIndex);\n    var formatter = regionModel.get(status === 'normal' ? ['label', 'formatter'] : ['emphasis', 'label', 'formatter']);\n\n    if (formatter == null) {\n      formatter = regionModel.get(['label', 'formatter']);\n    }\n\n    var params = {\n      name: name\n    };\n\n    if (typeof formatter === 'function') {\n      params.status = status;\n      return formatter(params);\n    } else if (typeof formatter === 'string') {\n      var serName = params.seriesName;\n      return formatter.replace('{a}', serName != null ? serName : '');\n    } else {\n      return name;\n    }\n  },\n  defaultOption: {\n    // itemStyle: {},\n    // height,\n    // label: {}\n    // realisticMaterial\n    regions: []\n  }\n});\necharts.util.merge(Geo3DModel.prototype, geo3DModelMixin);\necharts.util.merge(Geo3DModel.prototype, componentViewControlMixin);\necharts.util.merge(Geo3DModel.prototype, componentPostEffectMixin);\necharts.util.merge(Geo3DModel.prototype, componentLightMixin);\necharts.util.merge(Geo3DModel.prototype, componentShadingMixin);\nexport default Geo3DModel;","// https://github.com/mapbox/earcut/blob/master/src/earcut.js\nexport default earcut;\n\nfunction earcut(data, holeIndices, dim) {\n  dim = dim || 2;\n  var hasHoles = holeIndices && holeIndices.length,\n      outerLen = hasHoles ? holeIndices[0] * dim : data.length,\n      outerNode = linkedList(data, 0, outerLen, dim, true),\n      triangles = [];\n  if (!outerNode) return triangles;\n  var minX, minY, maxX, maxY, x, y, size;\n  if (hasHoles) outerNode = eliminateHoles(data, holeIndices, outerNode, dim); // if the shape is not too simple, we'll use z-order curve hash later; calculate polygon bbox\n\n  if (data.length > 80 * dim) {\n    minX = maxX = data[0];\n    minY = maxY = data[1];\n\n    for (var i = dim; i < outerLen; i += dim) {\n      x = data[i];\n      y = data[i + 1];\n      if (x < minX) minX = x;\n      if (y < minY) minY = y;\n      if (x > maxX) maxX = x;\n      if (y > maxY) maxY = y;\n    } // minX, minY and size are later used to transform coords into integers for z-order calculation\n\n\n    size = Math.max(maxX - minX, maxY - minY);\n  }\n\n  earcutLinked(outerNode, triangles, dim, minX, minY, size);\n  return triangles;\n} // create a circular doubly linked list from polygon points in the specified winding order\n\n\nfunction linkedList(data, start, end, dim, clockwise) {\n  var i, last;\n\n  if (clockwise === signedArea(data, start, end, dim) > 0) {\n    for (i = start; i < end; i += dim) last = insertNode(i, data[i], data[i + 1], last);\n  } else {\n    for (i = end - dim; i >= start; i -= dim) last = insertNode(i, data[i], data[i + 1], last);\n  }\n\n  if (last && equals(last, last.next)) {\n    removeNode(last);\n    last = last.next;\n  }\n\n  return last;\n} // eliminate colinear or duplicate points\n\n\nfunction filterPoints(start, end) {\n  if (!start) return start;\n  if (!end) end = start;\n  var p = start,\n      again;\n\n  do {\n    again = false;\n\n    if (!p.steiner && (equals(p, p.next) || area(p.prev, p, p.next) === 0)) {\n      removeNode(p);\n      p = end = p.prev;\n      if (p === p.next) return null;\n      again = true;\n    } else {\n      p = p.next;\n    }\n  } while (again || p !== end);\n\n  return end;\n} // main ear slicing loop which triangulates a polygon (given as a linked list)\n\n\nfunction earcutLinked(ear, triangles, dim, minX, minY, size, pass) {\n  if (!ear) return; // interlink polygon nodes in z-order\n\n  if (!pass && size) indexCurve(ear, minX, minY, size);\n  var stop = ear,\n      prev,\n      next; // iterate through ears, slicing them one by one\n\n  while (ear.prev !== ear.next) {\n    prev = ear.prev;\n    next = ear.next;\n\n    if (size ? isEarHashed(ear, minX, minY, size) : isEar(ear)) {\n      // cut off the triangle\n      triangles.push(prev.i / dim);\n      triangles.push(ear.i / dim);\n      triangles.push(next.i / dim);\n      removeNode(ear); // skipping the next vertice leads to less sliver triangles\n\n      ear = next.next;\n      stop = next.next;\n      continue;\n    }\n\n    ear = next; // if we looped through the whole remaining polygon and can't find any more ears\n\n    if (ear === stop) {\n      // try filtering points and slicing again\n      if (!pass) {\n        earcutLinked(filterPoints(ear), triangles, dim, minX, minY, size, 1); // if this didn't work, try curing all small self-intersections locally\n      } else if (pass === 1) {\n        ear = cureLocalIntersections(ear, triangles, dim);\n        earcutLinked(ear, triangles, dim, minX, minY, size, 2); // as a last resort, try splitting the remaining polygon into two\n      } else if (pass === 2) {\n        splitEarcut(ear, triangles, dim, minX, minY, size);\n      }\n\n      break;\n    }\n  }\n} // check whether a polygon node forms a valid ear with adjacent nodes\n\n\nfunction isEar(ear) {\n  var a = ear.prev,\n      b = ear,\n      c = ear.next;\n  if (area(a, b, c) >= 0) return false; // reflex, can't be an ear\n  // now make sure we don't have other points inside the potential ear\n\n  var p = ear.next.next;\n\n  while (p !== ear.prev) {\n    if (pointInTriangle(a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false;\n    p = p.next;\n  }\n\n  return true;\n}\n\nfunction isEarHashed(ear, minX, minY, size) {\n  var a = ear.prev,\n      b = ear,\n      c = ear.next;\n  if (area(a, b, c) >= 0) return false; // reflex, can't be an ear\n  // triangle bbox; min & max are calculated like this for speed\n\n  var minTX = a.x < b.x ? a.x < c.x ? a.x : c.x : b.x < c.x ? b.x : c.x,\n      minTY = a.y < b.y ? a.y < c.y ? a.y : c.y : b.y < c.y ? b.y : c.y,\n      maxTX = a.x > b.x ? a.x > c.x ? a.x : c.x : b.x > c.x ? b.x : c.x,\n      maxTY = a.y > b.y ? a.y > c.y ? a.y : c.y : b.y > c.y ? b.y : c.y; // z-order range for the current triangle bbox;\n\n  var minZ = zOrder(minTX, minTY, minX, minY, size),\n      maxZ = zOrder(maxTX, maxTY, minX, minY, size); // first look for points inside the triangle in increasing z-order\n\n  var p = ear.nextZ;\n\n  while (p && p.z <= maxZ) {\n    if (p !== ear.prev && p !== ear.next && pointInTriangle(a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false;\n    p = p.nextZ;\n  } // then look for points in decreasing z-order\n\n\n  p = ear.prevZ;\n\n  while (p && p.z >= minZ) {\n    if (p !== ear.prev && p !== ear.next && pointInTriangle(a.x, a.y, b.x, b.y, c.x, c.y, p.x, p.y) && area(p.prev, p, p.next) >= 0) return false;\n    p = p.prevZ;\n  }\n\n  return true;\n} // go through all polygon nodes and cure small local self-intersections\n\n\nfunction cureLocalIntersections(start, triangles, dim) {\n  var p = start;\n\n  do {\n    var a = p.prev,\n        b = p.next.next;\n\n    if (!equals(a, b) && intersects(a, p, p.next, b) && locallyInside(a, b) && locallyInside(b, a)) {\n      triangles.push(a.i / dim);\n      triangles.push(p.i / dim);\n      triangles.push(b.i / dim); // remove two nodes involved\n\n      removeNode(p);\n      removeNode(p.next);\n      p = start = b;\n    }\n\n    p = p.next;\n  } while (p !== start);\n\n  return p;\n} // try splitting polygon into two and triangulate them independently\n\n\nfunction splitEarcut(start, triangles, dim, minX, minY, size) {\n  // look for a valid diagonal that divides the polygon into two\n  var a = start;\n\n  do {\n    var b = a.next.next;\n\n    while (b !== a.prev) {\n      if (a.i !== b.i && isValidDiagonal(a, b)) {\n        // split the polygon in two by the diagonal\n        var c = splitPolygon(a, b); // filter colinear points around the cuts\n\n        a = filterPoints(a, a.next);\n        c = filterPoints(c, c.next); // run earcut on each half\n\n        earcutLinked(a, triangles, dim, minX, minY, size);\n        earcutLinked(c, triangles, dim, minX, minY, size);\n        return;\n      }\n\n      b = b.next;\n    }\n\n    a = a.next;\n  } while (a !== start);\n} // link every hole into the outer loop, producing a single-ring polygon without holes\n\n\nfunction eliminateHoles(data, holeIndices, outerNode, dim) {\n  var queue = [],\n      i,\n      len,\n      start,\n      end,\n      list;\n\n  for (i = 0, len = holeIndices.length; i < len; i++) {\n    start = holeIndices[i] * dim;\n    end = i < len - 1 ? holeIndices[i + 1] * dim : data.length;\n    list = linkedList(data, start, end, dim, false);\n    if (list === list.next) list.steiner = true;\n    queue.push(getLeftmost(list));\n  }\n\n  queue.sort(compareX); // process holes from left to right\n\n  for (i = 0; i < queue.length; i++) {\n    eliminateHole(queue[i], outerNode);\n    outerNode = filterPoints(outerNode, outerNode.next);\n  }\n\n  return outerNode;\n}\n\nfunction compareX(a, b) {\n  return a.x - b.x;\n} // find a bridge between vertices that connects hole with an outer ring and and link it\n\n\nfunction eliminateHole(hole, outerNode) {\n  outerNode = findHoleBridge(hole, outerNode);\n\n  if (outerNode) {\n    var b = splitPolygon(outerNode, hole);\n    filterPoints(b, b.next);\n  }\n} // David Eberly's algorithm for finding a bridge between hole and outer polygon\n\n\nfunction findHoleBridge(hole, outerNode) {\n  var p = outerNode,\n      hx = hole.x,\n      hy = hole.y,\n      qx = -Infinity,\n      m; // find a segment intersected by a ray from the hole's leftmost point to the left;\n  // segment's endpoint with lesser x will be potential connection point\n\n  do {\n    if (hy <= p.y && hy >= p.next.y && p.next.y !== p.y) {\n      var x = p.x + (hy - p.y) * (p.next.x - p.x) / (p.next.y - p.y);\n\n      if (x <= hx && x > qx) {\n        qx = x;\n\n        if (x === hx) {\n          if (hy === p.y) return p;\n          if (hy === p.next.y) return p.next;\n        }\n\n        m = p.x < p.next.x ? p : p.next;\n      }\n    }\n\n    p = p.next;\n  } while (p !== outerNode);\n\n  if (!m) return null;\n  if (hx === qx) return m.prev; // hole touches outer segment; pick lower endpoint\n  // look for points inside the triangle of hole point, segment intersection and endpoint;\n  // if there are no points found, we have a valid connection;\n  // otherwise choose the point of the minimum angle with the ray as connection point\n\n  var stop = m,\n      mx = m.x,\n      my = m.y,\n      tanMin = Infinity,\n      tan;\n  p = m.next;\n\n  while (p !== stop) {\n    if (hx >= p.x && p.x >= mx && hx !== p.x && pointInTriangle(hy < my ? hx : qx, hy, mx, my, hy < my ? qx : hx, hy, p.x, p.y)) {\n      tan = Math.abs(hy - p.y) / (hx - p.x); // tangential\n\n      if ((tan < tanMin || tan === tanMin && p.x > m.x) && locallyInside(p, hole)) {\n        m = p;\n        tanMin = tan;\n      }\n    }\n\n    p = p.next;\n  }\n\n  return m;\n} // interlink polygon nodes in z-order\n\n\nfunction indexCurve(start, minX, minY, size) {\n  var p = start;\n\n  do {\n    if (p.z === null) p.z = zOrder(p.x, p.y, minX, minY, size);\n    p.prevZ = p.prev;\n    p.nextZ = p.next;\n    p = p.next;\n  } while (p !== start);\n\n  p.prevZ.nextZ = null;\n  p.prevZ = null;\n  sortLinked(p);\n} // Simon Tatham's linked list merge sort algorithm\n// http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.html\n\n\nfunction sortLinked(list) {\n  var i,\n      p,\n      q,\n      e,\n      tail,\n      numMerges,\n      pSize,\n      qSize,\n      inSize = 1;\n\n  do {\n    p = list;\n    list = null;\n    tail = null;\n    numMerges = 0;\n\n    while (p) {\n      numMerges++;\n      q = p;\n      pSize = 0;\n\n      for (i = 0; i < inSize; i++) {\n        pSize++;\n        q = q.nextZ;\n        if (!q) break;\n      }\n\n      qSize = inSize;\n\n      while (pSize > 0 || qSize > 0 && q) {\n        if (pSize !== 0 && (qSize === 0 || !q || p.z <= q.z)) {\n          e = p;\n          p = p.nextZ;\n          pSize--;\n        } else {\n          e = q;\n          q = q.nextZ;\n          qSize--;\n        }\n\n        if (tail) tail.nextZ = e;else list = e;\n        e.prevZ = tail;\n        tail = e;\n      }\n\n      p = q;\n    }\n\n    tail.nextZ = null;\n    inSize *= 2;\n  } while (numMerges > 1);\n\n  return list;\n} // z-order of a point given coords and size of the data bounding box\n\n\nfunction zOrder(x, y, minX, minY, size) {\n  // coords are transformed into non-negative 15-bit integer range\n  x = 32767 * (x - minX) / size;\n  y = 32767 * (y - minY) / size;\n  x = (x | x << 8) & 0x00FF00FF;\n  x = (x | x << 4) & 0x0F0F0F0F;\n  x = (x | x << 2) & 0x33333333;\n  x = (x | x << 1) & 0x55555555;\n  y = (y | y << 8) & 0x00FF00FF;\n  y = (y | y << 4) & 0x0F0F0F0F;\n  y = (y | y << 2) & 0x33333333;\n  y = (y | y << 1) & 0x55555555;\n  return x | y << 1;\n} // find the leftmost node of a polygon ring\n\n\nfunction getLeftmost(start) {\n  var p = start,\n      leftmost = start;\n\n  do {\n    if (p.x < leftmost.x) leftmost = p;\n    p = p.next;\n  } while (p !== start);\n\n  return leftmost;\n} // check if a point lies within a convex triangle\n\n\nfunction pointInTriangle(ax, ay, bx, by, cx, cy, px, py) {\n  return (cx - px) * (ay - py) - (ax - px) * (cy - py) >= 0 && (ax - px) * (by - py) - (bx - px) * (ay - py) >= 0 && (bx - px) * (cy - py) - (cx - px) * (by - py) >= 0;\n} // check if a diagonal between two polygon nodes is valid (lies in polygon interior)\n\n\nfunction isValidDiagonal(a, b) {\n  return a.next.i !== b.i && a.prev.i !== b.i && !intersectsPolygon(a, b) && locallyInside(a, b) && locallyInside(b, a) && middleInside(a, b);\n} // signed area of a triangle\n\n\nfunction area(p, q, r) {\n  return (q.y - p.y) * (r.x - q.x) - (q.x - p.x) * (r.y - q.y);\n} // check if two points are equal\n\n\nfunction equals(p1, p2) {\n  return p1.x === p2.x && p1.y === p2.y;\n} // check if two segments intersect\n\n\nfunction intersects(p1, q1, p2, q2) {\n  if (equals(p1, q1) && equals(p2, q2) || equals(p1, q2) && equals(p2, q1)) return true;\n  return area(p1, q1, p2) > 0 !== area(p1, q1, q2) > 0 && area(p2, q2, p1) > 0 !== area(p2, q2, q1) > 0;\n} // check if a polygon diagonal intersects any polygon segments\n\n\nfunction intersectsPolygon(a, b) {\n  var p = a;\n\n  do {\n    if (p.i !== a.i && p.next.i !== a.i && p.i !== b.i && p.next.i !== b.i && intersects(p, p.next, a, b)) return true;\n    p = p.next;\n  } while (p !== a);\n\n  return false;\n} // check if a polygon diagonal is locally inside the polygon\n\n\nfunction locallyInside(a, b) {\n  return area(a.prev, a, a.next) < 0 ? area(a, b, a.next) >= 0 && area(a, a.prev, b) >= 0 : area(a, b, a.prev) < 0 || area(a, a.next, b) < 0;\n} // check if the middle point of a polygon diagonal is inside the polygon\n\n\nfunction middleInside(a, b) {\n  var p = a,\n      inside = false,\n      px = (a.x + b.x) / 2,\n      py = (a.y + b.y) / 2;\n\n  do {\n    if (p.y > py !== p.next.y > py && p.next.y !== p.y && px < (p.next.x - p.x) * (py - p.y) / (p.next.y - p.y) + p.x) inside = !inside;\n    p = p.next;\n  } while (p !== a);\n\n  return inside;\n} // link two polygon vertices with a bridge; if the vertices belong to the same ring, it splits polygon into two;\n// if one belongs to the outer ring and another to a hole, it merges it into a single ring\n\n\nfunction splitPolygon(a, b) {\n  var a2 = new Node(a.i, a.x, a.y),\n      b2 = new Node(b.i, b.x, b.y),\n      an = a.next,\n      bp = b.prev;\n  a.next = b;\n  b.prev = a;\n  a2.next = an;\n  an.prev = a2;\n  b2.next = a2;\n  a2.prev = b2;\n  bp.next = b2;\n  b2.prev = bp;\n  return b2;\n} // create a node and optionally link it with previous one (in a circular doubly linked list)\n\n\nfunction insertNode(i, x, y, last) {\n  var p = new Node(i, x, y);\n\n  if (!last) {\n    p.prev = p;\n    p.next = p;\n  } else {\n    p.next = last.next;\n    p.prev = last;\n    last.next.prev = p;\n    last.next = p;\n  }\n\n  return p;\n}\n\nfunction removeNode(p) {\n  p.next.prev = p.prev;\n  p.prev.next = p.next;\n  if (p.prevZ) p.prevZ.nextZ = p.nextZ;\n  if (p.nextZ) p.nextZ.prevZ = p.prevZ;\n}\n\nfunction Node(i, x, y) {\n  // vertice index in coordinates array\n  this.i = i; // vertex coordinates\n\n  this.x = x;\n  this.y = y; // previous and next vertice nodes in a polygon ring\n\n  this.prev = null;\n  this.next = null; // z-order curve value\n\n  this.z = null; // previous and next nodes in z-order\n\n  this.prevZ = null;\n  this.nextZ = null; // indicates whether this is a steiner point\n\n  this.steiner = false;\n} // return a percentage difference between the polygon area and its triangulation area;\n// used to verify correctness of triangulation\n\n\nearcut.deviation = function (data, holeIndices, dim, triangles) {\n  var hasHoles = holeIndices && holeIndices.length;\n  var outerLen = hasHoles ? holeIndices[0] * dim : data.length;\n  var polygonArea = Math.abs(signedArea(data, 0, outerLen, dim));\n\n  if (hasHoles) {\n    for (var i = 0, len = holeIndices.length; i < len; i++) {\n      var start = holeIndices[i] * dim;\n      var end = i < len - 1 ? holeIndices[i + 1] * dim : data.length;\n      polygonArea -= Math.abs(signedArea(data, start, end, dim));\n    }\n  }\n\n  var trianglesArea = 0;\n\n  for (i = 0; i < triangles.length; i += 3) {\n    var a = triangles[i] * dim;\n    var b = triangles[i + 1] * dim;\n    var c = triangles[i + 2] * dim;\n    trianglesArea += Math.abs((data[a] - data[c]) * (data[b + 1] - data[a + 1]) - (data[a] - data[b]) * (data[c + 1] - data[a + 1]));\n  }\n\n  return polygonArea === 0 && trianglesArea === 0 ? 0 : Math.abs((trianglesArea - polygonArea) / polygonArea);\n};\n\nfunction signedArea(data, start, end, dim) {\n  var sum = 0;\n\n  for (var i = start, j = end - dim; i < end; i += dim) {\n    sum += (data[j] - data[i]) * (data[i + 1] + data[j + 1]);\n    j = i;\n  }\n\n  return sum;\n}","function swap(arr, a, b) {\n  var tmp = arr[a];\n  arr[a] = arr[b];\n  arr[b] = tmp;\n}\n\nfunction partition(arr, pivot, left, right, compare) {\n  var storeIndex = left;\n  var pivotValue = arr[pivot]; // put the pivot on the right\n\n  swap(arr, pivot, right); // go through the rest\n\n  for (var v = left; v < right; v++) {\n    if (compare(arr[v], pivotValue) < 0) {\n      swap(arr, v, storeIndex);\n      storeIndex++;\n    }\n  } // finally put the pivot in the correct place\n\n\n  swap(arr, right, storeIndex);\n  return storeIndex;\n}\n\nfunction quickSort(array, compare, left, right) {\n  if (left < right) {\n    var pivot = Math.floor((left + right) / 2);\n    var newPivot = partition(array, pivot, left, right, compare);\n    quickSort(array, compare, left, newPivot - 1);\n    quickSort(array, compare, newPivot + 1, right);\n  }\n} // TODO Test.\n\n\nfunction ProgressiveQuickSort() {\n  // this._pivotList = new LinkedList();\n  this._parts = [];\n}\n\nProgressiveQuickSort.prototype.step = function (arr, compare, frame) {\n  var len = arr.length;\n\n  if (frame === 0) {\n    this._parts = [];\n    this._sorted = false; // Pick a start pivot;\n\n    var pivot = Math.floor(len / 2);\n\n    this._parts.push({\n      pivot: pivot,\n      left: 0,\n      right: len - 1\n    });\n\n    this._currentSortPartIdx = 0;\n  }\n\n  if (this._sorted) {\n    return;\n  }\n\n  var parts = this._parts;\n\n  if (parts.length === 0) {\n    this._sorted = true; // Already finished.\n\n    return true;\n  } else if (parts.length < 512) {\n    // Sort large parts in about 10 frames.\n    for (var i = 0; i < parts.length; i++) {\n      // Partition and Modify the pivot index.\n      parts[i].pivot = partition(arr, parts[i].pivot, parts[i].left, parts[i].right, compare);\n    }\n\n    var subdividedParts = [];\n\n    for (var i = 0; i < parts.length; i++) {\n      // Subdivide left\n      var left = parts[i].left;\n      var right = parts[i].pivot - 1;\n\n      if (right > left) {\n        subdividedParts.push({\n          pivot: Math.floor((right + left) / 2),\n          left: left,\n          right: right\n        });\n      } // Subdivide right\n\n\n      var left = parts[i].pivot + 1;\n      var right = parts[i].right;\n\n      if (right > left) {\n        subdividedParts.push({\n          pivot: Math.floor((right + left) / 2),\n          left: left,\n          right: right\n        });\n      }\n    }\n\n    parts = this._parts = subdividedParts;\n  } else {\n    // console.time('sort');\n    // Finally quick sort each parts in 10 frames.\n    for (var i = 0; i < Math.floor(parts.length / 10); i++) {\n      // Sort near parts first.\n      var idx = parts.length - 1 - this._currentSortPartIdx;\n      quickSort(arr, compare, parts[idx].left, parts[idx].right);\n      this._currentSortPartIdx++; // Finish sort\n\n      if (this._currentSortPartIdx === parts.length) {\n        this._sorted = true;\n        return true;\n      }\n    } // console.timeEnd('sort');\n\n  }\n\n  return false;\n};\n\nProgressiveQuickSort.sort = quickSort;\nexport default ProgressiveQuickSort;","import ProgressiveQuickSort from '../ProgressiveQuickSort';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nvar vec3 = glmatrix.vec3;\nvar p0 = vec3.create();\nvar p1 = vec3.create();\nvar p2 = vec3.create(); // var cp = vec3.create();\n\nexport default {\n  needsSortTriangles: function () {\n    return this.indices && this.sortTriangles;\n  },\n  needsSortTrianglesProgressively: function () {\n    return this.needsSortTriangles() && this.triangleCount >= 2e4;\n  },\n  doSortTriangles: function (cameraPos, frame) {\n    var indices = this.indices; // Do progressive quick sort.\n\n    if (frame === 0) {\n      var posAttr = this.attributes.position;\n      var cameraPos = cameraPos.array;\n\n      if (!this._triangleZList || this._triangleZList.length !== this.triangleCount) {\n        this._triangleZList = new Float32Array(this.triangleCount);\n        this._sortedTriangleIndices = new Uint32Array(this.triangleCount);\n        this._indicesTmp = new indices.constructor(indices.length);\n        this._triangleZListTmp = new Float32Array(this.triangleCount);\n      }\n\n      var cursor = 0;\n      var firstZ;\n\n      for (var i = 0; i < indices.length;) {\n        posAttr.get(indices[i++], p0);\n        posAttr.get(indices[i++], p1);\n        posAttr.get(indices[i++], p2); // FIXME If use center ?\n        // cp[0] = (p0[0] + p1[0] + p2[0]) / 3;\n        // cp[1] = (p0[1] + p1[1] + p2[1]) / 3;\n        // cp[2] = (p0[2] + p1[2] + p2[2]) / 3;\n        // Camera position is in object space\n        // Use max of three points, PENDING\n\n        var z0 = vec3.sqrDist(p0, cameraPos);\n        var z1 = vec3.sqrDist(p1, cameraPos);\n        var z2 = vec3.sqrDist(p2, cameraPos);\n        var zMax = Math.min(z0, z1);\n        zMax = Math.min(zMax, z2);\n\n        if (i === 3) {\n          firstZ = zMax;\n          zMax = 0;\n        } else {\n          // Only store the difference to avoid the precision issue.\n          zMax = zMax - firstZ;\n        }\n\n        this._triangleZList[cursor++] = zMax;\n      }\n    }\n\n    var sortedTriangleIndices = this._sortedTriangleIndices;\n\n    for (var i = 0; i < sortedTriangleIndices.length; i++) {\n      sortedTriangleIndices[i] = i;\n    }\n\n    if (this.triangleCount < 2e4) {\n      // Use simple timsort for simple geometries.\n      if (frame === 0) {\n        // Use native sort temporary.\n        this._simpleSort(true);\n      }\n    } else {\n      for (var i = 0; i < 3; i++) {\n        this._progressiveQuickSort(frame * 3 + i);\n      }\n    }\n\n    var targetIndices = this._indicesTmp;\n    var targetTriangleZList = this._triangleZListTmp;\n    var faceZList = this._triangleZList;\n\n    for (var i = 0; i < this.triangleCount; i++) {\n      var fromIdx3 = sortedTriangleIndices[i] * 3;\n      var toIdx3 = i * 3;\n      targetIndices[toIdx3++] = indices[fromIdx3++];\n      targetIndices[toIdx3++] = indices[fromIdx3++];\n      targetIndices[toIdx3] = indices[fromIdx3];\n      targetTriangleZList[i] = faceZList[sortedTriangleIndices[i]];\n    } // Swap indices.\n\n\n    var tmp = this._indicesTmp;\n    this._indicesTmp = this.indices;\n    this.indices = tmp;\n    var tmp = this._triangleZListTmp;\n    this._triangleZListTmp = this._triangleZList;\n    this._triangleZList = tmp;\n    this.dirtyIndices();\n  },\n  _simpleSort: function (useNativeQuickSort) {\n    var faceZList = this._triangleZList;\n    var sortedTriangleIndices = this._sortedTriangleIndices;\n\n    function compare(a, b) {\n      // Sort from far to near. which is descending order\n      return faceZList[b] - faceZList[a];\n    }\n\n    if (useNativeQuickSort) {\n      Array.prototype.sort.call(sortedTriangleIndices, compare);\n    } else {\n      ProgressiveQuickSort.sort(sortedTriangleIndices, compare, 0, sortedTriangleIndices.length - 1);\n    }\n  },\n  _progressiveQuickSort: function (frame) {\n    var faceZList = this._triangleZList;\n    var sortedTriangleIndices = this._sortedTriangleIndices;\n    this._quickSort = this._quickSort || new ProgressiveQuickSort();\n\n    this._quickSort.step(sortedTriangleIndices, function (a, b) {\n      return faceZList[b] - faceZList[a];\n    }, frame);\n  }\n};","export function getVisualColor(data) {\n  const style = data.getVisual('style');\n\n  if (style) {\n    const drawType = data.getVisual('drawType');\n    return style[drawType];\n  }\n}\nexport function getVisualOpacity(data) {\n  const style = data.getVisual('style');\n  return style.opacity;\n}\nexport function getItemVisualColor(data, idx) {\n  const style = data.getItemVisual(idx, 'style');\n\n  if (style) {\n    const drawType = data.getVisual('drawType');\n    return style[drawType];\n  }\n}\nexport function getItemVisualOpacity(data, idx) {\n  const style = data.getItemVisual(idx, 'style');\n  return style && style.opacity;\n}","import * as echarts from 'echarts/lib/echarts';\nimport ZRTextureAtlasSurface from '../../util/ZRTextureAtlasSurface';\nimport LabelsMesh from '../../util/mesh/LabelsMesh';\nimport retrieve from '../../util/retrieve';\nimport { getItemVisualColor, getItemVisualOpacity } from '../../util/visual';\nimport { createTextStyle } from 'echarts/lib/label/labelStyle';\nvar LABEL_NORMAL_SHOW_BIT = 1;\nvar LABEL_EMPHASIS_SHOW_BIT = 2;\n\nfunction LabelsBuilder(width, height, api) {\n  this._labelsMesh = new LabelsMesh();\n  this._labelTextureSurface = new ZRTextureAtlasSurface({\n    width: 512,\n    height: 512,\n    devicePixelRatio: api.getDevicePixelRatio(),\n    onupdate: function () {\n      api.getZr().refresh();\n    }\n  });\n  this._api = api;\n\n  this._labelsMesh.material.set('textureAtlas', this._labelTextureSurface.getTexture());\n}\n\nLabelsBuilder.prototype.getLabelPosition = function (dataIndex, positionDesc, distance) {\n  return [0, 0, 0];\n};\n\nLabelsBuilder.prototype.getLabelDistance = function (dataIndex, positionDesc, distance) {\n  return 0;\n};\n\nLabelsBuilder.prototype.getMesh = function () {\n  return this._labelsMesh;\n};\n\nLabelsBuilder.prototype.updateData = function (data, start, end) {\n  if (start == null) {\n    start = 0;\n  }\n\n  if (end == null) {\n    end = data.count();\n  }\n\n  if (!this._labelsVisibilitiesBits || this._labelsVisibilitiesBits.length !== end - start) {\n    this._labelsVisibilitiesBits = new Uint8Array(end - start);\n  }\n\n  var normalLabelVisibilityQuery = ['label', 'show'];\n  var emphasisLabelVisibilityQuery = ['emphasis', 'label', 'show'];\n\n  for (var idx = start; idx < end; idx++) {\n    var itemModel = data.getItemModel(idx);\n    var normalVisibility = itemModel.get(normalLabelVisibilityQuery);\n    var emphasisVisibility = itemModel.get(emphasisLabelVisibilityQuery);\n\n    if (emphasisVisibility == null) {\n      emphasisVisibility = normalVisibility;\n    }\n\n    var bit = (normalVisibility ? LABEL_NORMAL_SHOW_BIT : 0) | (emphasisVisibility ? LABEL_EMPHASIS_SHOW_BIT : 0);\n    this._labelsVisibilitiesBits[idx - start] = bit;\n  }\n\n  this._start = start;\n  this._end = end;\n  this._data = data;\n};\n\nLabelsBuilder.prototype.updateLabels = function (highlightDataIndices) {\n  if (!this._data) {\n    return;\n  }\n\n  highlightDataIndices = highlightDataIndices || [];\n  var hasHighlightData = highlightDataIndices.length > 0;\n  var highlightDataIndicesMap = {};\n\n  for (var i = 0; i < highlightDataIndices.length; i++) {\n    highlightDataIndicesMap[highlightDataIndices[i]] = true;\n  }\n\n  this._labelsMesh.geometry.convertToDynamicArray(true);\n\n  this._labelTextureSurface.clear();\n\n  var normalLabelQuery = ['label'];\n  var emphasisLabelQuery = ['emphasis', 'label'];\n  var seriesModel = this._data.hostModel;\n  var data = this._data;\n  var seriesLabelModel = seriesModel.getModel(normalLabelQuery);\n  var seriesLabelEmphasisModel = seriesModel.getModel(emphasisLabelQuery, seriesLabelModel);\n  var textAlignMap = {\n    left: 'right',\n    right: 'left',\n    top: 'center',\n    bottom: 'center'\n  };\n  var textVerticalAlignMap = {\n    left: 'middle',\n    right: 'middle',\n    top: 'bottom',\n    bottom: 'top'\n  };\n\n  for (var dataIndex = this._start; dataIndex < this._end; dataIndex++) {\n    var isEmphasis = false;\n\n    if (hasHighlightData && highlightDataIndicesMap[dataIndex]) {\n      isEmphasis = true;\n    }\n\n    var ifShow = this._labelsVisibilitiesBits[dataIndex - this._start] & (isEmphasis ? LABEL_EMPHASIS_SHOW_BIT : LABEL_NORMAL_SHOW_BIT);\n\n    if (!ifShow) {\n      continue;\n    }\n\n    var itemModel = data.getItemModel(dataIndex);\n    var labelModel = itemModel.getModel(isEmphasis ? emphasisLabelQuery : normalLabelQuery, isEmphasis ? seriesLabelEmphasisModel : seriesLabelModel);\n    var distance = labelModel.get('distance') || 0;\n    var position = labelModel.get('position');\n\n    var dpr = this._api.getDevicePixelRatio();\n\n    var text = seriesModel.getFormattedLabel(dataIndex, isEmphasis ? 'emphasis' : 'normal');\n\n    if (text == null || text === '') {\n      return;\n    } // TODO Background.\n\n\n    var textEl = new echarts.graphic.Text({\n      style: createTextStyle(labelModel, {\n        text: text,\n        fill: labelModel.get('color') || getItemVisualColor(data, dataIndex) || '#000',\n        align: 'left',\n        verticalAlign: 'top',\n        opacity: retrieve.firstNotNull(labelModel.get('opacity'), getItemVisualOpacity(data, dataIndex), 1)\n      })\n    });\n    var rect = textEl.getBoundingRect();\n    var lineHeight = 1.2;\n    rect.height *= lineHeight;\n\n    var coords = this._labelTextureSurface.add(textEl);\n\n    var textAlign = textAlignMap[position] || 'center';\n    var textVerticalAlign = textVerticalAlignMap[position] || 'bottom';\n\n    this._labelsMesh.geometry.addSprite(this.getLabelPosition(dataIndex, position, distance), [rect.width * dpr, rect.height * dpr], coords, textAlign, textVerticalAlign, this.getLabelDistance(dataIndex, position, distance) * dpr);\n  }\n\n  this._labelsMesh.material.set('uvScale', this._labelTextureSurface.getCoordsScale()); // var canvas = this._labelTextureSurface.getTexture().image;\n  // document.body.appendChild(canvas);\n  // canvas.style.cssText = 'position:absolute;z-index: 1000';\n  // Update image.\n\n\n  this._labelTextureSurface.getZr().refreshImmediately();\n\n  this._labelsMesh.geometry.convertToTypedArray();\n\n  this._labelsMesh.geometry.dirty();\n};\n\nexport default LabelsBuilder;","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport earcut from '../../util/earcut';\nimport LinesGeo from '../../util/geometry/Lines3D';\nimport retrieve from '../../util/retrieve';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nimport trianglesSortMixin from '../../util/geometry/trianglesSortMixin';\nimport LabelsBuilder from './LabelsBuilder';\nimport lines3DGLSL from '../../util/shader/lines3D.glsl.js';\nimport { getItemVisualColor, getItemVisualOpacity } from '../../util/visual';\nvar vec3 = glmatrix.vec3;\ngraphicGL.Shader.import(lines3DGLSL);\n\nfunction Geo3DBuilder(api) {\n  this.rootNode = new graphicGL.Node(); // Cache triangulation result\n\n  this._triangulationResults = {};\n  this._shadersMap = graphicGL.COMMON_SHADERS.filter(function (shaderName) {\n    return shaderName !== 'shadow';\n  }).reduce(function (obj, shaderName) {\n    obj[shaderName] = graphicGL.createShader('ecgl.' + shaderName);\n    return obj;\n  }, {});\n  this._linesShader = graphicGL.createShader('ecgl.meshLines3D');\n  var groundMaterials = {};\n  graphicGL.COMMON_SHADERS.forEach(function (shading) {\n    groundMaterials[shading] = new graphicGL.Material({\n      shader: graphicGL.createShader('ecgl.' + shading)\n    });\n  });\n  this._groundMaterials = groundMaterials;\n  this._groundMesh = new graphicGL.Mesh({\n    geometry: new graphicGL.PlaneGeometry({\n      dynamic: true\n    }),\n    castShadow: false,\n    renderNormal: true,\n    $ignorePicking: true\n  });\n\n  this._groundMesh.rotation.rotateX(-Math.PI / 2);\n\n  this._labelsBuilder = new LabelsBuilder(512, 512, api); // Give a large render order.\n\n  this._labelsBuilder.getMesh().renderOrder = 100;\n  this._labelsBuilder.getMesh().material.depthTest = false;\n  this.rootNode.add(this._labelsBuilder.getMesh());\n\n  this._initMeshes();\n\n  this._api = api;\n}\n\nGeo3DBuilder.prototype = {\n  constructor: Geo3DBuilder,\n  // Which dimension to extrude. Y or Z\n  extrudeY: true,\n  update: function (componentModel, ecModel, api, start, end) {\n    var data = componentModel.getData();\n\n    if (start == null) {\n      start = 0;\n    }\n\n    if (end == null) {\n      end = data.count();\n    }\n\n    this._startIndex = start;\n    this._endIndex = end - 1;\n\n    this._triangulation(componentModel, start, end);\n\n    var shader = this._getShader(componentModel.get('shading'));\n\n    this._prepareMesh(componentModel, shader, api, start, end);\n\n    this.rootNode.updateWorldTransform();\n\n    this._updateRegionMesh(componentModel, api, start, end);\n\n    var coordSys = componentModel.coordinateSystem; // PENDING\n\n    if (coordSys.type === 'geo3D') {\n      this._updateGroundPlane(componentModel, coordSys, api);\n    }\n\n    var self = this;\n\n    this._labelsBuilder.updateData(data, start, end);\n\n    this._labelsBuilder.getLabelPosition = function (dataIndex, positionDesc, distance) {\n      var name = data.getName(dataIndex);\n      var center;\n      var height = distance;\n\n      if (coordSys.type === 'geo3D') {\n        var region = coordSys.getRegion(name);\n\n        if (!region) {\n          return [NaN, NaN, NaN];\n        }\n\n        center = region.center;\n        var pos = coordSys.dataToPoint([center[0], center[1], height]);\n        return pos;\n      } else {\n        var tmp = self._triangulationResults[dataIndex - self._startIndex];\n        var center = self.extrudeY ? [(tmp.max[0] + tmp.min[0]) / 2, tmp.max[1] + height, (tmp.max[2] + tmp.min[2]) / 2] : [(tmp.max[0] + tmp.min[0]) / 2, (tmp.max[1] + tmp.min[1]) / 2, tmp.max[2] + height];\n      }\n    };\n\n    this._data = data;\n\n    this._labelsBuilder.updateLabels();\n\n    this._updateDebugWireframe(componentModel); // Reset some state.\n\n\n    this._lastHoverDataIndex = 0;\n  },\n  _initMeshes: function () {\n    var self = this;\n\n    function createPolygonMesh() {\n      var mesh = new graphicGL.Mesh({\n        name: 'Polygon',\n        material: new graphicGL.Material({\n          shader: self._shadersMap.lambert\n        }),\n        geometry: new graphicGL.Geometry({\n          sortTriangles: true,\n          dynamic: true\n        }),\n        // TODO Disable culling\n        culling: false,\n        ignorePicking: true,\n        // Render normal in normal pass\n        renderNormal: true\n      });\n      Object.assign(mesh.geometry, trianglesSortMixin);\n      return mesh;\n    }\n\n    var polygonMesh = createPolygonMesh();\n    var linesMesh = new graphicGL.Mesh({\n      material: new graphicGL.Material({\n        shader: this._linesShader\n      }),\n      castShadow: false,\n      ignorePicking: true,\n      $ignorePicking: true,\n      geometry: new LinesGeo({\n        useNativeLine: false\n      })\n    });\n    this.rootNode.add(polygonMesh);\n    this.rootNode.add(linesMesh);\n    polygonMesh.material.define('both', 'VERTEX_COLOR');\n    polygonMesh.material.define('fragment', 'DOUBLE_SIDED');\n    this._polygonMesh = polygonMesh;\n    this._linesMesh = linesMesh;\n    this.rootNode.add(this._groundMesh);\n  },\n  _getShader: function (shading) {\n    var shader = this._shadersMap[shading];\n\n    if (!shader) {\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn('Unkown shading ' + shading);\n      } // Default use lambert shader.\n\n\n      shader = this._shadersMap.lambert;\n    }\n\n    shader.__shading = shading;\n    return shader;\n  },\n  _prepareMesh: function (componentModel, shader, api, start, end) {\n    var polygonVertexCount = 0;\n    var polygonTriangleCount = 0;\n    var linesVertexCount = 0;\n    var linesTriangleCount = 0; // TODO Lines\n\n    for (var idx = start; idx < end; idx++) {\n      var polyInfo = this._getRegionPolygonInfo(idx);\n\n      var lineInfo = this._getRegionLinesInfo(idx, componentModel, this._linesMesh.geometry);\n\n      polygonVertexCount += polyInfo.vertexCount;\n      polygonTriangleCount += polyInfo.triangleCount;\n      linesVertexCount += lineInfo.vertexCount;\n      linesTriangleCount += lineInfo.triangleCount;\n    }\n\n    var polygonMesh = this._polygonMesh;\n    var polygonGeo = polygonMesh.geometry;\n    ['position', 'normal', 'texcoord0', 'color'].forEach(function (attrName) {\n      polygonGeo.attributes[attrName].init(polygonVertexCount);\n    });\n    polygonGeo.indices = polygonVertexCount > 0xffff ? new Uint32Array(polygonTriangleCount * 3) : new Uint16Array(polygonTriangleCount * 3);\n\n    if (polygonMesh.material.shader !== shader) {\n      polygonMesh.material.attachShader(shader, true);\n    }\n\n    graphicGL.setMaterialFromModel(shader.__shading, polygonMesh.material, componentModel, api);\n\n    if (linesVertexCount > 0) {\n      this._linesMesh.geometry.resetOffset();\n\n      this._linesMesh.geometry.setVertexCount(linesVertexCount);\n\n      this._linesMesh.geometry.setTriangleCount(linesTriangleCount);\n    } // Indexing data index from vertex index.\n\n\n    this._dataIndexOfVertex = new Uint32Array(polygonVertexCount); // Indexing vertex index range from data index\n\n    this._vertexRangeOfDataIndex = new Uint32Array((end - start) * 2);\n  },\n  _updateRegionMesh: function (componentModel, api, start, end) {\n    var data = componentModel.getData();\n    var vertexOffset = 0;\n    var triangleOffset = 0; // Materials configurations.\n\n    var hasTranparentRegion = false;\n    var polygonMesh = this._polygonMesh;\n    var linesMesh = this._linesMesh;\n\n    for (var dataIndex = start; dataIndex < end; dataIndex++) {\n      // Get bunch of visual properties.\n      var regionModel = componentModel.getRegionModel(dataIndex);\n      var itemStyleModel = regionModel.getModel('itemStyle');\n      var color = retrieve.firstNotNull(getItemVisualColor(data, dataIndex), itemStyleModel.get('color'), '#fff');\n      var opacity = retrieve.firstNotNull(getItemVisualOpacity(data, dataIndex), 1);\n      var colorArr = graphicGL.parseColor(color);\n      var borderColorArr = graphicGL.parseColor(itemStyleModel.get('borderColor'));\n      colorArr[3] *= opacity;\n      borderColorArr[3] *= opacity;\n      var isTransparent = colorArr[3] < 0.99;\n      polygonMesh.material.set('color', [1, 1, 1, 1]);\n      hasTranparentRegion = hasTranparentRegion || isTransparent;\n      var regionHeight = retrieve.firstNotNull(regionModel.get('height', true), componentModel.get('regionHeight'));\n\n      var newOffsets = this._updatePolygonGeometry(componentModel, polygonMesh.geometry, dataIndex, regionHeight, vertexOffset, triangleOffset, colorArr);\n\n      for (var i = vertexOffset; i < newOffsets.vertexOffset; i++) {\n        this._dataIndexOfVertex[i] = dataIndex;\n      }\n\n      this._vertexRangeOfDataIndex[(dataIndex - start) * 2] = vertexOffset;\n      this._vertexRangeOfDataIndex[(dataIndex - start) * 2 + 1] = newOffsets.vertexOffset;\n      vertexOffset = newOffsets.vertexOffset;\n      triangleOffset = newOffsets.triangleOffset; // Update lines.\n\n      var lineWidth = itemStyleModel.get('borderWidth');\n      var hasLine = lineWidth > 0;\n\n      if (hasLine) {\n        lineWidth *= api.getDevicePixelRatio();\n\n        this._updateLinesGeometry(linesMesh.geometry, componentModel, dataIndex, regionHeight, lineWidth, componentModel.coordinateSystem.transform);\n      }\n\n      linesMesh.invisible = !hasLine;\n      linesMesh.material.set({\n        color: borderColorArr\n      });\n    }\n\n    var polygonMesh = this._polygonMesh;\n    polygonMesh.material.transparent = hasTranparentRegion;\n    polygonMesh.material.depthMask = !hasTranparentRegion;\n    polygonMesh.geometry.updateBoundingBox();\n    polygonMesh.frontFace = this.extrudeY ? graphicGL.Mesh.CCW : graphicGL.Mesh.CW; // Update tangents\n\n    if (polygonMesh.material.get('normalMap')) {\n      polygonMesh.geometry.generateTangents();\n    }\n\n    polygonMesh.seriesIndex = componentModel.seriesIndex;\n    polygonMesh.on('mousemove', this._onmousemove, this);\n    polygonMesh.on('mouseout', this._onmouseout, this);\n  },\n  _updateDebugWireframe: function (componentModel) {\n    var debugWireframeModel = componentModel.getModel('debug.wireframe'); // TODO Unshow\n\n    if (debugWireframeModel.get('show')) {\n      var color = graphicGL.parseColor(debugWireframeModel.get('lineStyle.color') || 'rgba(0,0,0,0.5)');\n      var width = retrieve.firstNotNull(debugWireframeModel.get('lineStyle.width'), 1); // TODO  Will cause highlight wrong\n\n      var mesh = this._polygonMesh;\n      mesh.geometry.generateBarycentric();\n      mesh.material.define('both', 'WIREFRAME_TRIANGLE');\n      mesh.material.set('wireframeLineColor', color);\n      mesh.material.set('wireframeLineWidth', width);\n    }\n  },\n  _onmousemove: function (e) {\n    var dataIndex = this._dataIndexOfVertex[e.triangle[0]];\n\n    if (dataIndex == null) {\n      dataIndex = -1;\n    }\n\n    if (dataIndex !== this._lastHoverDataIndex) {\n      this.downplay(this._lastHoverDataIndex);\n      this.highlight(dataIndex);\n\n      this._labelsBuilder.updateLabels([dataIndex]);\n    }\n\n    this._lastHoverDataIndex = dataIndex;\n    this._polygonMesh.dataIndex = dataIndex;\n  },\n  _onmouseout: function (e) {\n    if (e.target) {\n      this.downplay(this._lastHoverDataIndex);\n      this._lastHoverDataIndex = -1;\n      this._polygonMesh.dataIndex = -1;\n    }\n\n    this._labelsBuilder.updateLabels([]);\n  },\n  _updateGroundPlane: function (componentModel, geo3D, api) {\n    var groundModel = componentModel.getModel('groundPlane', componentModel);\n    this._groundMesh.invisible = !groundModel.get('show', true);\n\n    if (this._groundMesh.invisible) {\n      return;\n    }\n\n    var shading = componentModel.get('shading');\n    var material = this._groundMaterials[shading];\n\n    if (!material) {\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn('Unkown shading ' + shading);\n      }\n\n      material = this._groundMaterials.lambert;\n    }\n\n    graphicGL.setMaterialFromModel(shading, material, groundModel, api);\n\n    if (material.get('normalMap')) {\n      this._groundMesh.geometry.generateTangents();\n    }\n\n    this._groundMesh.material = material;\n\n    this._groundMesh.material.set('color', graphicGL.parseColor(groundModel.get('color')));\n\n    this._groundMesh.scale.set(geo3D.size[0], geo3D.size[2], 1);\n  },\n  _triangulation: function (componentModel, start, end) {\n    this._triangulationResults = [];\n    var minAll = [Infinity, Infinity, Infinity];\n    var maxAll = [-Infinity, -Infinity, -Infinity];\n    var coordSys = componentModel.coordinateSystem;\n\n    for (var idx = start; idx < end; idx++) {\n      var polygons = [];\n      var polygonCoords = componentModel.getRegionPolygonCoords(idx);\n\n      for (var i = 0; i < polygonCoords.length; i++) {\n        var exterior = polygonCoords[i].exterior;\n        var interiors = polygonCoords[i].interiors;\n        var points = [];\n        var holes = [];\n\n        if (exterior.length < 3) {\n          continue;\n        }\n\n        var offset = 0;\n\n        for (var j = 0; j < exterior.length; j++) {\n          var p = exterior[j];\n          points[offset++] = p[0];\n          points[offset++] = p[1];\n        }\n\n        for (var j = 0; j < interiors.length; j++) {\n          if (interiors[j].length < 3) {\n            continue;\n          }\n\n          var startIdx = points.length / 2;\n\n          for (var k = 0; k < interiors[j].length; k++) {\n            var p = interiors[j][k];\n            points.push(p[0]);\n            points.push(p[1]);\n          }\n\n          holes.push(startIdx);\n        }\n\n        var triangles = earcut(points, holes);\n        var points3 = new Float64Array(points.length / 2 * 3);\n        var pos = [];\n        var min = [Infinity, Infinity, Infinity];\n        var max = [-Infinity, -Infinity, -Infinity];\n        var off3 = 0;\n\n        for (var j = 0; j < points.length;) {\n          vec3.set(pos, points[j++], 0, points[j++]);\n\n          if (coordSys && coordSys.transform) {\n            vec3.transformMat4(pos, pos, coordSys.transform);\n          }\n\n          vec3.min(min, min, pos);\n          vec3.max(max, max, pos);\n          points3[off3++] = pos[0];\n          points3[off3++] = pos[1];\n          points3[off3++] = pos[2];\n        }\n\n        vec3.min(minAll, minAll, min);\n        vec3.max(maxAll, maxAll, max);\n        polygons.push({\n          points: points3,\n          indices: triangles,\n          min: min,\n          max: max\n        });\n      }\n\n      this._triangulationResults.push(polygons);\n    }\n\n    this._geoBoundingBox = [minAll, maxAll];\n  },\n\n  /**\n   * Get region vertex and triangle count\n   */\n  _getRegionPolygonInfo: function (idx) {\n    var polygons = this._triangulationResults[idx - this._startIndex];\n    var sideVertexCount = 0;\n    var sideTriangleCount = 0;\n\n    for (var i = 0; i < polygons.length; i++) {\n      sideVertexCount += polygons[i].points.length / 3;\n      sideTriangleCount += polygons[i].indices.length / 3;\n    }\n\n    var vertexCount = sideVertexCount * 2 + sideVertexCount * 4;\n    var triangleCount = sideTriangleCount * 2 + sideVertexCount * 2;\n    return {\n      vertexCount: vertexCount,\n      triangleCount: triangleCount\n    };\n  },\n  _updatePolygonGeometry: function (componentModel, geometry, dataIndex, regionHeight, vertexOffset, triangleOffset, color) {\n    // FIXME\n    var projectUVOnGround = componentModel.get('projectUVOnGround');\n    var positionAttr = geometry.attributes.position;\n    var normalAttr = geometry.attributes.normal;\n    var texcoordAttr = geometry.attributes.texcoord0;\n    var colorAttr = geometry.attributes.color;\n    var polygons = this._triangulationResults[dataIndex - this._startIndex];\n    var hasColor = colorAttr.value && color;\n    var indices = geometry.indices;\n    var extrudeCoordIndex = this.extrudeY ? 1 : 2;\n    var sideCoordIndex = this.extrudeY ? 2 : 1;\n    var scale = [this.rootNode.worldTransform.x.len(), this.rootNode.worldTransform.y.len(), this.rootNode.worldTransform.z.len()];\n    var min = vec3.mul([], this._geoBoundingBox[0], scale);\n    var max = vec3.mul([], this._geoBoundingBox[1], scale);\n    var maxDimSize = Math.max(max[0] - min[0], max[2] - min[2]);\n\n    function addVertices(polygon, y, insideOffset) {\n      var points = polygon.points;\n      var pointsLen = points.length;\n      var currentPosition = [];\n      var uv = [];\n\n      for (var k = 0; k < pointsLen; k += 3) {\n        currentPosition[0] = points[k];\n        currentPosition[extrudeCoordIndex] = y;\n        currentPosition[sideCoordIndex] = points[k + 2];\n        uv[0] = (points[k] * scale[0] - min[0]) / maxDimSize;\n        uv[1] = (points[k + 2] * scale[sideCoordIndex] - min[2]) / maxDimSize;\n        positionAttr.set(vertexOffset, currentPosition);\n\n        if (hasColor) {\n          colorAttr.set(vertexOffset, color);\n        }\n\n        texcoordAttr.set(vertexOffset++, uv);\n      }\n    }\n\n    function buildTopBottom(polygon, y, insideOffset) {\n      var startVertexOffset = vertexOffset;\n      addVertices(polygon, y, insideOffset);\n      var len = polygon.indices.length;\n\n      for (var k = 0; k < len; k++) {\n        indices[triangleOffset * 3 + k] = polygon.indices[k] + startVertexOffset;\n      }\n\n      triangleOffset += polygon.indices.length / 3;\n    }\n\n    var normalTop = this.extrudeY ? [0, 1, 0] : [0, 0, 1];\n    var normalBottom = vec3.negate([], normalTop);\n\n    for (var p = 0; p < polygons.length; p++) {\n      var startVertexOffset = vertexOffset;\n      var polygon = polygons[p]; // BOTTOM\n\n      buildTopBottom(polygon, 0, 0); // TOP\n\n      buildTopBottom(polygon, regionHeight, 0);\n      var ringVertexCount = polygon.points.length / 3;\n\n      for (var v = 0; v < ringVertexCount; v++) {\n        normalAttr.set(startVertexOffset + v, normalBottom);\n        normalAttr.set(startVertexOffset + v + ringVertexCount, normalTop);\n      }\n\n      var quadToTriangle = [0, 3, 1, 1, 3, 2];\n      var quadPos = [[], [], [], []];\n      var a = [];\n      var b = [];\n      var normal = [];\n      var uv = [];\n      var len = 0;\n\n      for (var v = 0; v < ringVertexCount; v++) {\n        var next = (v + 1) % ringVertexCount;\n        var dx = (polygon.points[next * 3] - polygon.points[v * 3]) * scale[0];\n        var dy = (polygon.points[next * 3 + 2] - polygon.points[v * 3 + 2]) * scale[sideCoordIndex];\n        var sideLen = Math.sqrt(dx * dx + dy * dy); // 0----1\n        // 3----2\n\n        for (var k = 0; k < 4; k++) {\n          var isCurrent = k === 0 || k === 3;\n          var idx3 = (isCurrent ? v : next) * 3;\n          quadPos[k][0] = polygon.points[idx3];\n          quadPos[k][extrudeCoordIndex] = k > 1 ? regionHeight : 0;\n          quadPos[k][sideCoordIndex] = polygon.points[idx3 + 2];\n          positionAttr.set(vertexOffset + k, quadPos[k]);\n\n          if (projectUVOnGround) {\n            uv[0] = (polygon.points[idx3] * scale[0] - min[0]) / maxDimSize;\n            uv[1] = (polygon.points[idx3 + 2] * scale[sideCoordIndex] - min[sideCoordIndex]) / maxDimSize;\n          } else {\n            uv[0] = (isCurrent ? len : len + sideLen) / maxDimSize;\n            uv[1] = (quadPos[k][extrudeCoordIndex] * scale[extrudeCoordIndex] - min[extrudeCoordIndex]) / maxDimSize;\n          }\n\n          texcoordAttr.set(vertexOffset + k, uv);\n        }\n\n        vec3.sub(a, quadPos[1], quadPos[0]);\n        vec3.sub(b, quadPos[3], quadPos[0]);\n        vec3.cross(normal, a, b);\n        vec3.normalize(normal, normal);\n\n        for (var k = 0; k < 4; k++) {\n          normalAttr.set(vertexOffset + k, normal);\n\n          if (hasColor) {\n            colorAttr.set(vertexOffset + k, color);\n          }\n        }\n\n        for (var k = 0; k < 6; k++) {\n          indices[triangleOffset * 3 + k] = quadToTriangle[k] + vertexOffset;\n        }\n\n        vertexOffset += 4;\n        triangleOffset += 2;\n        len += sideLen;\n      }\n    }\n\n    geometry.dirty();\n    return {\n      vertexOffset: vertexOffset,\n      triangleOffset: triangleOffset\n    };\n  },\n  _getRegionLinesInfo: function (idx, componentModel, geometry) {\n    var vertexCount = 0;\n    var triangleCount = 0;\n    var regionModel = componentModel.getRegionModel(idx);\n    var itemStyleModel = regionModel.getModel('itemStyle');\n    var lineWidth = itemStyleModel.get('borderWidth');\n\n    if (lineWidth > 0) {\n      var polygonCoords = componentModel.getRegionPolygonCoords(idx);\n      polygonCoords.forEach(function (coords) {\n        var exterior = coords.exterior;\n        var interiors = coords.interiors;\n        vertexCount += geometry.getPolylineVertexCount(exterior);\n        triangleCount += geometry.getPolylineTriangleCount(exterior);\n\n        for (var i = 0; i < interiors.length; i++) {\n          vertexCount += geometry.getPolylineVertexCount(interiors[i]);\n          triangleCount += geometry.getPolylineTriangleCount(interiors[i]);\n        }\n      }, this);\n    }\n\n    return {\n      vertexCount: vertexCount,\n      triangleCount: triangleCount\n    };\n  },\n  _updateLinesGeometry: function (geometry, componentModel, dataIndex, regionHeight, lineWidth, transform) {\n    function convertToPoints3(polygon) {\n      var points = new Float64Array(polygon.length * 3);\n      var offset = 0;\n      var pos = [];\n\n      for (var i = 0; i < polygon.length; i++) {\n        pos[0] = polygon[i][0]; // Add a offset to avoid z-fighting\n\n        pos[1] = regionHeight + 0.1;\n        pos[2] = polygon[i][1];\n\n        if (transform) {\n          vec3.transformMat4(pos, pos, transform);\n        }\n\n        points[offset++] = pos[0];\n        points[offset++] = pos[1];\n        points[offset++] = pos[2];\n      }\n\n      return points;\n    }\n\n    var whiteColor = [1, 1, 1, 1];\n    var coords = componentModel.getRegionPolygonCoords(dataIndex);\n    coords.forEach(function (geo) {\n      var exterior = geo.exterior;\n      var interiors = geo.interiors;\n      geometry.addPolyline(convertToPoints3(exterior), whiteColor, lineWidth);\n\n      for (var i = 0; i < interiors.length; i++) {\n        geometry.addPolyline(convertToPoints3(interiors[i]), whiteColor, lineWidth);\n      }\n    });\n  },\n  highlight: function (dataIndex) {\n    var data = this._data;\n\n    if (!data) {\n      return;\n    }\n\n    var itemModel = data.getItemModel(dataIndex);\n    var emphasisItemStyleModel = itemModel.getModel(['emphasis', 'itemStyle']);\n    var emphasisColor = emphasisItemStyleModel.get('color');\n    var emphasisOpacity = retrieve.firstNotNull(emphasisItemStyleModel.get('opacity'), getItemVisualOpacity(data, dataIndex), 1);\n\n    if (emphasisColor == null) {\n      var color = getItemVisualColor(data, dataIndex);\n      emphasisColor = echarts.color.lift(color, -0.4);\n    }\n\n    if (emphasisOpacity == null) {\n      emphasisOpacity = getItemVisualOpacity(data, dataIndex);\n    }\n\n    var colorArr = graphicGL.parseColor(emphasisColor);\n    colorArr[3] *= emphasisOpacity;\n\n    this._setColorOfDataIndex(data, dataIndex, colorArr);\n  },\n  downplay: function (dataIndex) {\n    var data = this._data;\n\n    if (!data) {\n      return;\n    }\n\n    var color = retrieve.firstNotNull(getItemVisualColor(data, dataIndex), data.getItemModel(dataIndex).get(['itemStyle', 'color']), '#fff');\n    var opacity = retrieve.firstNotNull(getItemVisualOpacity(data, dataIndex), 1);\n    var colorArr = graphicGL.parseColor(color);\n    colorArr[3] *= opacity;\n\n    this._setColorOfDataIndex(data, dataIndex, colorArr);\n  },\n  _setColorOfDataIndex: function (data, dataIndex, colorArr) {\n    if (dataIndex < this._startIndex && dataIndex > this._endIndex) {\n      return;\n    }\n\n    dataIndex -= this._startIndex;\n\n    for (var i = this._vertexRangeOfDataIndex[dataIndex * 2]; i < this._vertexRangeOfDataIndex[dataIndex * 2 + 1]; i++) {\n      this._polygonMesh.geometry.attributes.color.set(i, colorArr);\n    }\n\n    this._polygonMesh.geometry.dirty();\n\n    this._api.getZr().refresh();\n  }\n};\nexport default Geo3DBuilder;","import Geo3DBuilder from '../common/Geo3DBuilder';\nimport * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport OrbitControl from '../../util/OrbitControl';\nimport SceneHelper from '../common/SceneHelper';\nexport default echarts.ComponentView.extend({\n  type: 'geo3D',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this._geo3DBuilder = new Geo3DBuilder(api);\n    this.groupGL = new graphicGL.Node();\n    this._lightRoot = new graphicGL.Node();\n    this._sceneHelper = new SceneHelper(this._lightRoot);\n\n    this._sceneHelper.initLight(this._lightRoot);\n\n    this._control = new OrbitControl({\n      zr: api.getZr()\n    });\n\n    this._control.init();\n  },\n  render: function (geo3DModel, ecModel, api) {\n    this.groupGL.add(this._geo3DBuilder.rootNode);\n    var geo3D = geo3DModel.coordinateSystem;\n\n    if (!geo3D || !geo3D.viewGL) {\n      return;\n    } // Always have light.\n\n\n    geo3D.viewGL.add(this._lightRoot);\n\n    if (geo3DModel.get('show')) {\n      geo3D.viewGL.add(this.groupGL);\n    } else {\n      geo3D.viewGL.remove(this.groupGL);\n    }\n\n    var control = this._control;\n    control.setViewGL(geo3D.viewGL);\n    var viewControlModel = geo3DModel.getModel('viewControl');\n    control.setFromViewControlModel(viewControlModel, 0);\n\n    this._sceneHelper.setScene(geo3D.viewGL.scene);\n\n    this._sceneHelper.updateLight(geo3DModel); // Set post effect\n\n\n    geo3D.viewGL.setPostEffect(geo3DModel.getModel('postEffect'), api);\n    geo3D.viewGL.setTemporalSuperSampling(geo3DModel.getModel('temporalSuperSampling')); // Must update after geo3D.viewGL.setPostEffect\n\n    this._geo3DBuilder.update(geo3DModel, ecModel, api, 0, geo3DModel.getData().count());\n\n    var srgbDefineMethod = geo3D.viewGL.isLinearSpace() ? 'define' : 'undefine';\n\n    this._geo3DBuilder.rootNode.traverse(function (mesh) {\n      if (mesh.material) {\n        mesh.material[srgbDefineMethod]('fragment', 'SRGB_DECODE');\n      }\n    });\n\n    control.off('update');\n    control.on('update', function () {\n      api.dispatchAction({\n        type: 'geo3DChangeCamera',\n        alpha: control.getAlpha(),\n        beta: control.getBeta(),\n        distance: control.getDistance(),\n        center: control.getCenter(),\n        from: this.uid,\n        geo3DId: geo3DModel.id\n      });\n    });\n    control.update();\n  },\n  afterRender: function (geo3DModel, ecModel, api, layerGL) {\n    var renderer = layerGL.renderer;\n\n    this._sceneHelper.updateAmbientCubemap(renderer, geo3DModel, api);\n\n    this._sceneHelper.updateSkybox(renderer, geo3DModel, api);\n  },\n  dispose: function () {\n    this._control.dispose();\n  }\n});","import * as echarts from 'echarts/lib/echarts';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nvar vec3 = glmatrix.vec3;\nvar mat4 = glmatrix.mat4;\nimport textCoord from 'echarts/lib/coord/geo/fix/textCoord';\nimport geoCoord from 'echarts/lib/coord/geo/fix/geoCoord'; // Geo fix functions\n\nvar geoFixFuncs = [textCoord, geoCoord];\n\nfunction Geo3D(name, map, geoJson, specialAreas, nameMap) {\n  this.name = name;\n  this.map = map;\n  this.regionHeight = 0;\n  this.regions = [];\n  this._nameCoordMap = {};\n  this.loadGeoJson(geoJson, specialAreas, nameMap);\n  this.transform = mat4.identity(new Float64Array(16));\n  this.invTransform = mat4.identity(new Float64Array(16)); // Which dimension to extrude. Y or Z\n\n  this.extrudeY = true;\n  this.altitudeAxis;\n}\n\nGeo3D.prototype = {\n  constructor: Geo3D,\n  type: 'geo3D',\n  dimensions: ['lng', 'lat', 'alt'],\n  containPoint: function () {},\n  loadGeoJson: function (geoJson, specialAreas, nameMap) {\n    var parseGeoJSON = echarts.parseGeoJSON || echarts.parseGeoJson;\n\n    try {\n      this.regions = geoJson ? parseGeoJSON(geoJson) : [];\n    } catch (e) {\n      throw 'Invalid geoJson format\\n' + e;\n    }\n\n    specialAreas = specialAreas || {};\n    nameMap = nameMap || {};\n    var regions = this.regions;\n    var regionsMap = {};\n\n    for (var i = 0; i < regions.length; i++) {\n      var regionName = regions[i].name; // Try use the alias in nameMap\n\n      regionName = nameMap[regionName] || regionName;\n      regions[i].name = regionName;\n      regionsMap[regionName] = regions[i]; // Add geoJson\n\n      this.addGeoCoord(regionName, regions[i].center); // Some area like Alaska in USA map needs to be tansformed\n      // to look better\n\n      var specialArea = specialAreas[regionName];\n\n      if (specialArea) {\n        regions[i].transformTo(specialArea.left, specialArea.top, specialArea.width, specialArea.height);\n      }\n    }\n\n    this._regionsMap = regionsMap;\n    this._geoRect = null;\n    geoFixFuncs.forEach(function (fixFunc) {\n      fixFunc(this);\n    }, this);\n  },\n  getGeoBoundingRect: function () {\n    if (this._geoRect) {\n      return this._geoRect;\n    }\n\n    var rect;\n    var regions = this.regions;\n\n    for (var i = 0; i < regions.length; i++) {\n      var regionRect = regions[i].getBoundingRect();\n      rect = rect || regionRect.clone();\n      rect.union(regionRect);\n    } // FIXME Always return new ?\n\n\n    return this._geoRect = rect || new echarts.graphic.BoundingRect(0, 0, 0, 0);\n  },\n\n  /**\n   * Add geoCoord for indexing by name\n   * @param {string} name\n   * @param {Array.<number>} geoCoord\n   */\n  addGeoCoord: function (name, geoCoord) {\n    this._nameCoordMap[name] = geoCoord;\n  },\n\n  /**\n   * @param {string} name\n   * @return {module:echarts/coord/geo/Region}\n   */\n  getRegion: function (name) {\n    return this._regionsMap[name];\n  },\n  getRegionByCoord: function (coord) {\n    var regions = this.regions;\n\n    for (var i = 0; i < regions.length; i++) {\n      if (regions[i].contain(coord)) {\n        return regions[i];\n      }\n    }\n  },\n  setSize: function (width, height, depth) {\n    this.size = [width, height, depth];\n    var rect = this.getGeoBoundingRect();\n    var scaleX = width / rect.width;\n    var scaleZ = -depth / rect.height;\n    var translateX = -width / 2 - rect.x * scaleX;\n    var translateZ = depth / 2 - rect.y * scaleZ;\n    var position = this.extrudeY ? [translateX, 0, translateZ] : [translateX, translateZ, 0];\n    var scale = this.extrudeY ? [scaleX, 1, scaleZ] : [scaleX, scaleZ, 1];\n    var m = this.transform;\n    mat4.identity(m);\n    mat4.translate(m, m, position);\n    mat4.scale(m, m, scale);\n    mat4.invert(this.invTransform, m);\n  },\n  dataToPoint: function (data, out) {\n    out = out || [];\n    var extrudeCoordIndex = this.extrudeY ? 1 : 2;\n    var sideCoordIndex = this.extrudeY ? 2 : 1;\n    var altitudeVal = data[2]; // PENDING.\n\n    if (isNaN(altitudeVal)) {\n      altitudeVal = 0;\n    } // lng\n\n\n    out[0] = data[0]; // lat\n\n    out[sideCoordIndex] = data[1];\n\n    if (this.altitudeAxis) {\n      out[extrudeCoordIndex] = this.altitudeAxis.dataToCoord(altitudeVal);\n    } else {\n      out[extrudeCoordIndex] = 0;\n    } // PENDING different region height.\n\n\n    out[extrudeCoordIndex] += this.regionHeight;\n    vec3.transformMat4(out, out, this.transform);\n    return out;\n  },\n  pointToData: function (point, out) {// TODO\n  }\n};\nexport default Geo3D;","import Geo3D from './geo3D/Geo3D';\nimport * as echarts from 'echarts/lib/echarts';\nimport { getLayoutRect } from 'echarts/lib/util/layout';\nimport ViewGL from '../core/ViewGL';\nimport retrieve from '../util/retrieve';\n\nfunction resizeGeo3D(geo3DModel, api) {\n  // Use left/top/width/height\n  var boxLayoutOption = geo3DModel.getBoxLayoutParams();\n  var viewport = getLayoutRect(boxLayoutOption, {\n    width: api.getWidth(),\n    height: api.getHeight()\n  }); // Flip Y\n\n  viewport.y = api.getHeight() - viewport.y - viewport.height;\n  this.viewGL.setViewport(viewport.x, viewport.y, viewport.width, viewport.height, api.getDevicePixelRatio());\n  var geoRect = this.getGeoBoundingRect();\n  var aspect = geoRect.width / geoRect.height * (geo3DModel.get('aspectScale') || 0.75);\n  var width = geo3DModel.get('boxWidth');\n  var depth = geo3DModel.get('boxDepth');\n  var height = geo3DModel.get('boxHeight');\n\n  if (height == null) {\n    height = 5;\n  }\n\n  if (isNaN(width) && isNaN(depth)) {\n    // Default to have 100 width\n    width = 100;\n  }\n\n  if (isNaN(depth)) {\n    depth = width / aspect;\n  } else if (isNaN(width)) {\n    width = depth / aspect;\n  }\n\n  this.setSize(width, height, depth);\n  this.regionHeight = geo3DModel.get('regionHeight');\n\n  if (this.altitudeAxis) {\n    this.altitudeAxis.setExtent(0, Math.max(height - this.regionHeight, 0));\n  }\n}\n\nfunction updateGeo3D(ecModel, api) {\n  var altitudeDataExtent = [Infinity, -Infinity];\n  ecModel.eachSeries(function (seriesModel) {\n    if (seriesModel.coordinateSystem !== this) {\n      return;\n    }\n\n    if (seriesModel.type === 'series.map3D') {\n      return;\n    } // Get altitude data extent.\n\n\n    var data = seriesModel.getData();\n    var altDims = seriesModel.coordDimToDataDim('alt');\n    var altDim = altDims && altDims[0];\n\n    if (altDim) {\n      // TODO altitiude is in coords of lines.\n      var dataExtent = data.getDataExtent(altDim, true);\n      altitudeDataExtent[0] = Math.min(altitudeDataExtent[0], dataExtent[0]);\n      altitudeDataExtent[1] = Math.max(altitudeDataExtent[1], dataExtent[1]);\n    }\n  }, this); // Create altitude axis\n\n  if (altitudeDataExtent && isFinite(altitudeDataExtent[1] - altitudeDataExtent[0])) {\n    var scale = echarts.helper.createScale(altitudeDataExtent, {\n      type: 'value',\n      // PENDING\n      min: 'dataMin',\n      max: 'dataMax'\n    });\n    this.altitudeAxis = new echarts.Axis('altitude', scale); // Resize again\n\n    this.resize(this.model, api);\n  }\n}\n\nif (process.env.NODE_ENV !== 'production') {\n  var mapNotExistsError = function (name) {\n    console.error('Map ' + name + ' not exists. You can download map file on http://echarts.baidu.com/download-map.html');\n  };\n}\n\nvar idStart = 0;\nvar geo3DCreator = {\n  dimensions: Geo3D.prototype.dimensions,\n  create: function (ecModel, api) {\n    var geo3DList = [];\n\n    if (!echarts.getMap) {\n      throw new Error('geo3D component depends on geo component');\n    }\n\n    function createGeo3D(componentModel, idx) {\n      var geo3D = geo3DCreator.createGeo3D(componentModel); // FIXME\n\n      componentModel.__viewGL = componentModel.__viewGL || new ViewGL();\n      geo3D.viewGL = componentModel.__viewGL;\n      componentModel.coordinateSystem = geo3D;\n      geo3D.model = componentModel;\n      geo3DList.push(geo3D); // Inject resize\n\n      geo3D.resize = resizeGeo3D;\n      geo3D.resize(componentModel, api);\n      geo3D.update = updateGeo3D;\n    }\n\n    ecModel.eachComponent('geo3D', function (geo3DModel, idx) {\n      createGeo3D(geo3DModel, idx);\n    });\n    ecModel.eachSeriesByType('map3D', function (map3DModel, idx) {\n      var coordSys = map3DModel.get('coordinateSystem');\n\n      if (coordSys == null) {\n        coordSys = 'geo3D';\n      }\n\n      if (coordSys === 'geo3D') {\n        createGeo3D(map3DModel, idx);\n      }\n    });\n    ecModel.eachSeries(function (seriesModel) {\n      if (seriesModel.get('coordinateSystem') === 'geo3D') {\n        if (seriesModel.type === 'series.map3D') {\n          return;\n        }\n\n        var geo3DModel = seriesModel.getReferringComponents('geo3D').models[0];\n\n        if (!geo3DModel) {\n          geo3DModel = ecModel.getComponent('geo3D');\n        }\n\n        if (!geo3DModel) {\n          throw new Error('geo \"' + retrieve.firstNotNull(seriesModel.get('geo3DIndex'), seriesModel.get('geo3DId'), 0) + '\" not found');\n        }\n\n        seriesModel.coordinateSystem = geo3DModel.coordinateSystem;\n      }\n    });\n    return geo3DList;\n  },\n  createGeo3D: function (componentModel) {\n    var mapData = componentModel.get('map');\n    var name;\n\n    if (typeof mapData === 'string') {\n      name = mapData;\n      mapData = echarts.getMap(mapData);\n    } else {\n      if (mapData && mapData.features) {\n        mapData = {\n          geoJson: mapData\n        };\n      }\n    }\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (!mapData) {\n        mapNotExistsError(mapData);\n      }\n\n      if (!mapData.geoJson.features) {\n        throw new Error('Invalid GeoJSON for map3D');\n      }\n    }\n\n    if (name == null) {\n      name = 'GEO_ANONYMOUS_' + idStart++;\n    }\n\n    return new Geo3D(name + idStart++, name, mapData && mapData.geoJson, mapData && mapData.specialAreas, componentModel.get('nameMap'));\n  }\n};\nexport default geo3DCreator;","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport Geo3DModel from './Geo3DModel';\nimport Geo3DView from './Geo3DView';\nimport geo3DCreator from '../../coord/geo3DCreator';\nexport function install(registers) {\n  registers.registerComponentModel(Geo3DModel);\n  registers.registerComponentView(Geo3DView);\n  registers.registerAction({\n    type: 'geo3DChangeCamera',\n    event: 'geo3dcamerachanged',\n    update: 'series:updateCamera'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'geo3D',\n      query: payload\n    }, function (componentModel) {\n      componentModel.setView(payload);\n    });\n  });\n  registers.registerCoordinateSystem('geo3D', geo3DCreator);\n}","import * as echarts from 'echarts/lib/echarts';\nimport componentViewControlMixin from '../common/componentViewControlMixin';\nimport componentPostEffectMixin from '../common/componentPostEffectMixin';\nimport componentLightMixin from '../common/componentLightMixin';\nimport componentShadingMixin from '../common/componentShadingMixin';\n\nfunction defaultId(option, idx) {\n  option.id = option.id || option.name || idx + '';\n}\n\nvar GlobeModel = echarts.ComponentModel.extend({\n  type: 'globe',\n  layoutMode: 'box',\n  coordinateSystem: null,\n  init: function () {\n    GlobeModel.superApply(this, 'init', arguments);\n    echarts.util.each(this.option.layers, function (layerOption, idx) {\n      echarts.util.merge(layerOption, this.defaultLayerOption);\n      defaultId(layerOption, idx);\n    }, this);\n  },\n  mergeOption: function (option) {\n    // TODO test\n    var oldLayers = this.option.layers;\n    this.option.layers = null;\n    GlobeModel.superApply(this, 'mergeOption', arguments);\n\n    function createLayerMap(layers) {\n      return echarts.util.reduce(layers, function (obj, layerOption, idx) {\n        defaultId(layerOption, idx);\n        obj[layerOption.id] = layerOption;\n        return obj;\n      }, {});\n    }\n\n    if (oldLayers && oldLayers.length) {\n      var newLayerMap = createLayerMap(option.layers);\n      var oldLayerMap = createLayerMap(oldLayers);\n\n      for (var id in newLayerMap) {\n        if (oldLayerMap[id]) {\n          echarts.util.merge(oldLayerMap[id], newLayerMap[id], true);\n        } else {\n          oldLayers.push(option.layers[id]);\n        }\n      } // Copy back\n\n\n      this.option.layers = oldLayers;\n    } // else overwrite\n    // Set default\n\n\n    echarts.util.each(this.option.layers, function (layerOption) {\n      echarts.util.merge(layerOption, this.defaultLayerOption);\n    }, this);\n  },\n  optionUpdated: function () {\n    this.updateDisplacementHash();\n  },\n  defaultLayerOption: {\n    show: true,\n    type: 'overlay'\n  },\n  defaultOption: {\n    show: true,\n    zlevel: -10,\n    // Layout used for viewport\n    left: 0,\n    top: 0,\n    width: '100%',\n    height: '100%',\n    environment: 'auto',\n    baseColor: '#fff',\n    // Base albedo texture\n    baseTexture: '',\n    // Height texture for bump mapping and vertex displacement\n    heightTexture: '',\n    // Texture for vertex displacement, default use heightTexture\n    displacementTexture: '',\n    // Scale of vertex displacement, available only if displacementTexture is set.\n    displacementScale: 0,\n    // Detail of displacement. 'low', 'medium', 'high', 'ultra'\n    displacementQuality: 'medium',\n    // Globe radius\n    globeRadius: 100,\n    // Globe outer radius. Which is max of altitude.\n    globeOuterRadius: 150,\n    // Shading of globe\n    shading: 'lambert',\n    // Extend light\n    light: {\n      // Main sun light\n      main: {\n        // Time, default it will use system time\n        time: ''\n      }\n    },\n    // atmosphere\n    atmosphere: {\n      show: false,\n      offset: 5,\n      color: '#ffffff',\n      glowPower: 6.0,\n      innerGlowPower: 2.0\n    },\n    // light\n    // postEffect\n    // temporalSuperSampling\n    viewControl: {\n      autoRotate: true,\n      panSensitivity: 0,\n      targetCoord: null\n    },\n    // {\n    //     show: true,\n    //     name: 'cloud',\n    //     type: 'overlay',\n    //     shading: 'lambert',\n    //     distance: 10,\n    //     texture: ''\n    // }\n    // {\n    //     type: 'blend',\n    //     blendTo: 'albedo'\n    //     blendType: 'source-over'\n    // }\n    layers: []\n  },\n  setDisplacementData: function (data, width, height) {\n    this.displacementData = data;\n    this.displacementWidth = width;\n    this.displacementHeight = height;\n  },\n  getDisplacementTexture: function () {\n    return this.get('displacementTexture') || this.get('heightTexture');\n  },\n  getDisplacemenScale: function () {\n    var displacementTexture = this.getDisplacementTexture();\n    var displacementScale = this.get('displacementScale');\n\n    if (!displacementTexture || displacementTexture === 'none') {\n      displacementScale = 0;\n    }\n\n    return displacementScale;\n  },\n  hasDisplacement: function () {\n    return this.getDisplacemenScale() > 0;\n  },\n  _displacementChanged: true,\n  _displacementScale: 0,\n  updateDisplacementHash: function () {\n    var displacementTexture = this.getDisplacementTexture();\n    var displacementScale = this.getDisplacemenScale();\n    this._displacementChanged = this._displacementTexture !== displacementTexture || this._displacementScale !== displacementScale;\n    this._displacementTexture = displacementTexture;\n    this._displacementScale = displacementScale;\n  },\n  isDisplacementChanged: function () {\n    return this._displacementChanged;\n  }\n});\necharts.util.merge(GlobeModel.prototype, componentViewControlMixin);\necharts.util.merge(GlobeModel.prototype, componentPostEffectMixin);\necharts.util.merge(GlobeModel.prototype, componentLightMixin);\necharts.util.merge(GlobeModel.prototype, componentShadingMixin);\nexport default GlobeModel;","import { use } from 'echarts/lib/echarts';\nimport { install } from './geo3D/install';\nuse(install);","/*\n (c) 2011-2014, Vladimir Agafonkin\n SunCalc is a JavaScript library for calculating sun/mooon position and light phases.\n https://github.com/mourner/suncalc\n*/\n// shortcuts for easier to read formulas\nvar PI = Math.PI,\n    sin = Math.sin,\n    cos = Math.cos,\n    tan = Math.tan,\n    asin = Math.asin,\n    atan = Math.atan2,\n    rad = PI / 180; // sun calculations are based on http://aa.quae.nl/en/reken/zonpositie.html formulas\n// date/time constants and conversions\n\nvar dayMs = 1000 * 60 * 60 * 24,\n    J1970 = 2440588,\n    J2000 = 2451545;\n\nfunction toJulian(date) {\n  return date.valueOf() / dayMs - 0.5 + J1970;\n}\n\nfunction toDays(date) {\n  return toJulian(date) - J2000;\n} // general calculations for position\n\n\nvar e = rad * 23.4397; // obliquity of the Earth\n\nfunction rightAscension(l, b) {\n  return atan(sin(l) * cos(e) - tan(b) * sin(e), cos(l));\n}\n\nfunction declination(l, b) {\n  return asin(sin(b) * cos(e) + cos(b) * sin(e) * sin(l));\n}\n\nfunction azimuth(H, phi, dec) {\n  return atan(sin(H), cos(H) * sin(phi) - tan(dec) * cos(phi));\n}\n\nfunction altitude(H, phi, dec) {\n  return asin(sin(phi) * sin(dec) + cos(phi) * cos(dec) * cos(H));\n}\n\nfunction siderealTime(d, lw) {\n  return rad * (280.16 + 360.9856235 * d) - lw;\n} // general sun calculations\n\n\nfunction solarMeanAnomaly(d) {\n  return rad * (357.5291 + 0.98560028 * d);\n}\n\nfunction eclipticLongitude(M) {\n  var C = rad * (1.9148 * sin(M) + 0.02 * sin(2 * M) + 0.0003 * sin(3 * M)),\n      // equation of center\n  P = rad * 102.9372; // perihelion of the Earth\n\n  return M + C + P + PI;\n}\n\nfunction sunCoords(d) {\n  var M = solarMeanAnomaly(d),\n      L = eclipticLongitude(M);\n  return {\n    dec: declination(L, 0),\n    ra: rightAscension(L, 0)\n  };\n}\n\nvar SunCalc = {}; // calculates sun position for a given date and latitude/longitude\n\nSunCalc.getPosition = function (date, lat, lng) {\n  var lw = rad * -lng,\n      phi = rad * lat,\n      d = toDays(date),\n      c = sunCoords(d),\n      H = siderealTime(d, lw) - c.ra;\n  return {\n    azimuth: azimuth(H, phi, c.dec),\n    altitude: altitude(H, phi, c.dec)\n  };\n};\n\nexport default SunCalc;","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport OrbitControl from '../../util/OrbitControl';\nimport SceneHelper from '../common/SceneHelper';\nimport sunCalc from '../../util/sunCalc';\nimport retrieve from '../../util/retrieve';\nimport utilShaderCode from 'claygl/src/shader/source/util.glsl.js';\nimport atmosphereShaderCode from './atmosphere.glsl.js';\ngraphicGL.Shader['import'](utilShaderCode);\ngraphicGL.Shader['import'](atmosphereShaderCode);\nexport default echarts.ComponentView.extend({\n  type: 'globe',\n  __ecgl__: true,\n  _displacementScale: 0,\n  init: function (ecModel, api) {\n    this.groupGL = new graphicGL.Node();\n    /**\n     * @type {clay.geometry.Sphere}\n     * @private\n     */\n\n    this._sphereGeometry = new graphicGL.SphereGeometry({\n      widthSegments: 200,\n      heightSegments: 100,\n      dynamic: true\n    });\n    this._overlayGeometry = new graphicGL.SphereGeometry({\n      widthSegments: 80,\n      heightSegments: 40\n    });\n    /**\n     * @type {clay.geometry.Plane}\n     */\n\n    this._planeGeometry = new graphicGL.PlaneGeometry();\n    /**\n     * @type {clay.geometry.Mesh}\n     */\n\n    this._earthMesh = new graphicGL.Mesh({\n      renderNormal: true\n    });\n    /**\n     * @type {clay.geometry.Mesh}\n     */\n\n    this._atmosphereMesh = new graphicGL.Mesh();\n    this._atmosphereGeometry = new graphicGL.SphereGeometry({\n      widthSegments: 80,\n      heightSegments: 40\n    });\n    this._atmosphereMaterial = new graphicGL.Material({\n      shader: new graphicGL.Shader(graphicGL.Shader.source('ecgl.atmosphere.vertex'), graphicGL.Shader.source('ecgl.atmosphere.fragment')),\n      transparent: true\n    });\n    this._atmosphereMesh.geometry = this._atmosphereGeometry;\n    this._atmosphereMesh.material = this._atmosphereMaterial;\n    this._atmosphereMesh.frontFace = graphicGL.Mesh.CW;\n    this._lightRoot = new graphicGL.Node();\n    this._sceneHelper = new SceneHelper();\n\n    this._sceneHelper.initLight(this._lightRoot);\n\n    this.groupGL.add(this._atmosphereMesh);\n    this.groupGL.add(this._earthMesh);\n    this._control = new OrbitControl({\n      zr: api.getZr()\n    });\n\n    this._control.init();\n\n    this._layerMeshes = {};\n  },\n  render: function (globeModel, ecModel, api) {\n    var coordSys = globeModel.coordinateSystem;\n    var shading = globeModel.get('shading'); // Always have light.\n\n    coordSys.viewGL.add(this._lightRoot);\n\n    if (globeModel.get('show')) {\n      // Add self to scene;\n      coordSys.viewGL.add(this.groupGL);\n    } else {\n      coordSys.viewGL.remove(this.groupGL);\n    }\n\n    this._sceneHelper.setScene(coordSys.viewGL.scene); // Set post effect\n\n\n    coordSys.viewGL.setPostEffect(globeModel.getModel('postEffect'), api);\n    coordSys.viewGL.setTemporalSuperSampling(globeModel.getModel('temporalSuperSampling'));\n    var earthMesh = this._earthMesh;\n    earthMesh.geometry = this._sphereGeometry;\n    var shadingPrefix = 'ecgl.' + shading;\n\n    if (!earthMesh.material || earthMesh.material.shader.name !== shadingPrefix) {\n      earthMesh.material = graphicGL.createMaterial(shadingPrefix);\n    }\n\n    graphicGL.setMaterialFromModel(shading, earthMesh.material, globeModel, api);\n    ['roughnessMap', 'metalnessMap', 'detailMap', 'normalMap'].forEach(function (texName) {\n      var texture = earthMesh.material.get(texName);\n\n      if (texture) {\n        texture.flipY = false;\n      }\n    });\n    earthMesh.material.set('color', graphicGL.parseColor(globeModel.get('baseColor'))); // shrink a little\n\n    var scale = coordSys.radius * 0.99;\n    earthMesh.scale.set(scale, scale, scale);\n\n    if (globeModel.get('atmosphere.show')) {\n      earthMesh.material.define('both', 'ATMOSPHERE_ENABLED');\n      this._atmosphereMesh.invisible = false;\n\n      this._atmosphereMaterial.setUniforms({\n        glowPower: globeModel.get('atmosphere.glowPower') || 6.0,\n        glowColor: globeModel.get('atmosphere.color') || '#ffffff'\n      });\n\n      earthMesh.material.setUniforms({\n        glowPower: globeModel.get('atmosphere.innerGlowPower') || 2.0,\n        glowColor: globeModel.get('atmosphere.color') || '#ffffff'\n      });\n      var offset = globeModel.get('atmosphere.offset') || 5;\n\n      this._atmosphereMesh.scale.set(scale + offset, scale + offset, scale + offset);\n    } else {\n      earthMesh.material.undefine('both', 'ATMOSPHERE_ENABLED');\n      this._atmosphereMesh.invisible = true;\n    }\n\n    var diffuseTexture = earthMesh.material.setTextureImage('diffuseMap', globeModel.get('baseTexture'), api, {\n      flipY: false,\n      anisotropic: 8\n    });\n\n    if (diffuseTexture && diffuseTexture.surface) {\n      diffuseTexture.surface.attachToMesh(earthMesh);\n    } // Update bump map\n\n\n    var bumpTexture = earthMesh.material.setTextureImage('bumpMap', globeModel.get('heightTexture'), api, {\n      flipY: false,\n      anisotropic: 8\n    });\n\n    if (bumpTexture && bumpTexture.surface) {\n      bumpTexture.surface.attachToMesh(earthMesh);\n    }\n\n    earthMesh.material[globeModel.get('postEffect.enable') ? 'define' : 'undefine']('fragment', 'SRGB_DECODE');\n\n    this._updateLight(globeModel, api);\n\n    this._displaceVertices(globeModel, api);\n\n    this._updateViewControl(globeModel, api);\n\n    this._updateLayers(globeModel, api);\n  },\n  afterRender: function (globeModel, ecModel, api, layerGL) {\n    // Create ambient cubemap after render because we need to know the renderer.\n    // TODO\n    var renderer = layerGL.renderer;\n\n    this._sceneHelper.updateAmbientCubemap(renderer, globeModel, api);\n\n    this._sceneHelper.updateSkybox(renderer, globeModel, api);\n  },\n  _updateLayers: function (globeModel, api) {\n    var coordSys = globeModel.coordinateSystem;\n    var layers = globeModel.get('layers');\n    var lastDistance = coordSys.radius;\n    var layerDiffuseTextures = [];\n    var layerDiffuseIntensity = [];\n    var layerEmissiveTextures = [];\n    var layerEmissionIntensity = [];\n    echarts.util.each(layers, function (layerOption) {\n      var layerModel = new echarts.Model(layerOption);\n      var layerType = layerModel.get('type');\n      var texture = graphicGL.loadTexture(layerModel.get('texture'), api, {\n        flipY: false,\n        anisotropic: 8\n      });\n\n      if (texture.surface) {\n        texture.surface.attachToMesh(this._earthMesh);\n      }\n\n      if (layerType === 'blend') {\n        var blendTo = layerModel.get('blendTo');\n        var intensity = retrieve.firstNotNull(layerModel.get('intensity'), 1.0);\n\n        if (blendTo === 'emission') {\n          layerEmissiveTextures.push(texture);\n          layerEmissionIntensity.push(intensity);\n        } else {\n          // Default is albedo\n          layerDiffuseTextures.push(texture);\n          layerDiffuseIntensity.push(intensity);\n        }\n      } else {\n        // Default use overlay\n        var id = layerModel.get('id');\n        var overlayMesh = this._layerMeshes[id];\n\n        if (!overlayMesh) {\n          overlayMesh = this._layerMeshes[id] = new graphicGL.Mesh({\n            geometry: this._overlayGeometry,\n            castShadow: false,\n            ignorePicking: true\n          });\n        }\n\n        var shading = layerModel.get('shading');\n\n        if (shading === 'lambert') {\n          overlayMesh.material = overlayMesh.__lambertMaterial || new graphicGL.Material({\n            autoUpdateTextureStatus: false,\n            shader: graphicGL.createShader('ecgl.lambert'),\n            transparent: true,\n            depthMask: false\n          });\n          overlayMesh.__lambertMaterial = overlayMesh.material;\n        } else {\n          // color\n          overlayMesh.material = overlayMesh.__colorMaterial || new graphicGL.Material({\n            autoUpdateTextureStatus: false,\n            shader: graphicGL.createShader('ecgl.color'),\n            transparent: true,\n            depthMask: false\n          });\n          overlayMesh.__colorMaterial = overlayMesh.material;\n        } // overlay should be transparent if texture is not loaded yet.\n\n\n        overlayMesh.material.enableTexture('diffuseMap');\n        var distance = layerModel.get('distance'); // Based on distance of last layer\n\n        var radius = lastDistance + (distance == null ? coordSys.radius / 100 : distance);\n        overlayMesh.scale.set(radius, radius, radius);\n        lastDistance = radius; // FIXME Exists blink.\n\n        var blankTexture = this._blankTexture || (this._blankTexture = graphicGL.createBlankTexture('rgba(255, 255, 255, 0)'));\n        overlayMesh.material.set('diffuseMap', blankTexture);\n        graphicGL.loadTexture(layerModel.get('texture'), api, {\n          flipY: false,\n          anisotropic: 8\n        }, function (texture) {\n          if (texture.surface) {\n            texture.surface.attachToMesh(overlayMesh);\n          }\n\n          overlayMesh.material.set('diffuseMap', texture);\n          api.getZr().refresh();\n        });\n        layerModel.get('show') ? this.groupGL.add(overlayMesh) : this.groupGL.remove(overlayMesh);\n      }\n    }, this);\n    var earthMaterial = this._earthMesh.material;\n    earthMaterial.define('fragment', 'LAYER_DIFFUSEMAP_COUNT', layerDiffuseTextures.length);\n    earthMaterial.define('fragment', 'LAYER_EMISSIVEMAP_COUNT', layerEmissiveTextures.length);\n    earthMaterial.set('layerDiffuseMap', layerDiffuseTextures);\n    earthMaterial.set('layerDiffuseIntensity', layerDiffuseIntensity);\n    earthMaterial.set('layerEmissiveMap', layerEmissiveTextures);\n    earthMaterial.set('layerEmissionIntensity', layerEmissionIntensity);\n    var debugWireframeModel = globeModel.getModel('debug.wireframe');\n\n    if (debugWireframeModel.get('show')) {\n      earthMaterial.define('both', 'WIREFRAME_TRIANGLE');\n      var color = graphicGL.parseColor(debugWireframeModel.get('lineStyle.color') || 'rgba(0,0,0,0.5)');\n      var width = retrieve.firstNotNull(debugWireframeModel.get('lineStyle.width'), 1);\n      earthMaterial.set('wireframeLineWidth', width);\n      earthMaterial.set('wireframeLineColor', color);\n    } else {\n      earthMaterial.undefine('both', 'WIREFRAME_TRIANGLE');\n    }\n  },\n  _updateViewControl: function (globeModel, api) {\n    var coordSys = globeModel.coordinateSystem; // Update camera\n\n    var viewControlModel = globeModel.getModel('viewControl');\n    var camera = coordSys.viewGL.camera;\n    var self = this;\n\n    function makeAction() {\n      return {\n        type: 'globeChangeCamera',\n        alpha: control.getAlpha(),\n        beta: control.getBeta(),\n        distance: control.getDistance() - coordSys.radius,\n        center: control.getCenter(),\n        from: self.uid,\n        globeId: globeModel.id\n      };\n    } // Update control\n\n\n    var control = this._control;\n    control.setViewGL(coordSys.viewGL);\n    var coord = viewControlModel.get('targetCoord');\n    var alpha, beta;\n\n    if (coord != null) {\n      beta = coord[0] + 90;\n      alpha = coord[1];\n    }\n\n    control.setFromViewControlModel(viewControlModel, {\n      baseDistance: coordSys.radius,\n      alpha: alpha,\n      beta: beta\n    });\n    control.off('update');\n    control.on('update', function () {\n      api.dispatchAction(makeAction());\n    });\n  },\n  _displaceVertices: function (globeModel, api) {\n    var displacementQuality = globeModel.get('displacementQuality');\n    var showDebugWireframe = globeModel.get('debug.wireframe.show');\n    var globe = globeModel.coordinateSystem;\n\n    if (!globeModel.isDisplacementChanged() && displacementQuality === this._displacementQuality && showDebugWireframe === this._showDebugWireframe) {\n      return;\n    }\n\n    this._displacementQuality = displacementQuality;\n    this._showDebugWireframe = showDebugWireframe;\n    var geometry = this._sphereGeometry;\n    var widthSegments = {\n      low: 100,\n      medium: 200,\n      high: 400,\n      ultra: 800\n    }[displacementQuality] || 200;\n    var heightSegments = widthSegments / 2;\n\n    if (geometry.widthSegments !== widthSegments || showDebugWireframe) {\n      geometry.widthSegments = widthSegments;\n      geometry.heightSegments = heightSegments;\n      geometry.build();\n    }\n\n    this._doDisplaceVertices(geometry, globe);\n\n    if (showDebugWireframe) {\n      geometry.generateBarycentric();\n    }\n  },\n  _doDisplaceVertices: function (geometry, globe) {\n    var positionArr = geometry.attributes.position.value;\n    var uvArr = geometry.attributes.texcoord0.value;\n    var originalPositionArr = geometry.__originalPosition;\n\n    if (!originalPositionArr || originalPositionArr.length !== positionArr.length) {\n      originalPositionArr = new Float32Array(positionArr.length);\n      originalPositionArr.set(positionArr);\n      geometry.__originalPosition = originalPositionArr;\n    }\n\n    var width = globe.displacementWidth;\n    var height = globe.displacementHeight;\n    var data = globe.displacementData;\n\n    for (var i = 0; i < geometry.vertexCount; i++) {\n      var i3 = i * 3;\n      var i2 = i * 2;\n      var x = originalPositionArr[i3 + 1];\n      var y = originalPositionArr[i3 + 2];\n      var z = originalPositionArr[i3 + 3];\n      var u = uvArr[i2++];\n      var v = uvArr[i2++];\n      var j = Math.round(u * (width - 1));\n      var k = Math.round(v * (height - 1));\n      var idx = k * width + j;\n      var scale = data ? data[idx] : 0;\n      positionArr[i3 + 1] = x + x * scale;\n      positionArr[i3 + 2] = y + y * scale;\n      positionArr[i3 + 3] = z + z * scale;\n    }\n\n    geometry.generateVertexNormals();\n    geometry.dirty();\n    geometry.updateBoundingBox();\n  },\n  _updateLight: function (globeModel, api) {\n    var earthMesh = this._earthMesh;\n\n    this._sceneHelper.updateLight(globeModel);\n\n    var mainLight = this._sceneHelper.mainLight; // Put sun in the right position\n\n    var time = globeModel.get('light.main.time') || new Date(); // http://en.wikipedia.org/wiki/Azimuth\n\n    var pos = sunCalc.getPosition(echarts.number.parseDate(time), 0, 0);\n    var r0 = Math.cos(pos.altitude); // FIXME How to calculate the y ?\n\n    mainLight.position.y = -r0 * Math.cos(pos.azimuth);\n    mainLight.position.x = Math.sin(pos.altitude);\n    mainLight.position.z = r0 * Math.sin(pos.azimuth);\n    mainLight.lookAt(earthMesh.getWorldPosition());\n  },\n  dispose: function (ecModel, api) {\n    this.groupGL.removeAll();\n\n    this._control.dispose();\n  }\n});","export default \"@export ecgl.atmosphere.vertex\\nattribute vec3 position: POSITION;\\nattribute vec3 normal : NORMAL;\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\nuniform mat4 normalMatrix : WORLDINVERSETRANSPOSE;\\n\\nvarying vec3 v_Normal;\\n\\nvoid main() {\\n v_Normal = normalize((normalMatrix * vec4(normal, 0.0)).xyz);\\n gl_Position = worldViewProjection * vec4(position, 1.0);\\n}\\n@end\\n\\n\\n@export ecgl.atmosphere.fragment\\nuniform mat4 viewTranspose: VIEWTRANSPOSE;\\nuniform float glowPower;\\nuniform vec3 glowColor;\\n\\nvarying vec3 v_Normal;\\n\\nvoid main() {\\n float intensity = pow(1.0 - dot(v_Normal, (viewTranspose * vec4(0.0, 0.0, 1.0, 0.0)).xyz), glowPower);\\n gl_FragColor = vec4(glowColor, intensity * intensity);\\n}\\n@end\";","import glmatrix from 'claygl/src/dep/glmatrix';\nvar vec3 = glmatrix.vec3;\n\nfunction Globe(radius) {\n  this.radius = radius;\n  this.viewGL = null;\n  this.altitudeAxis; // Displacement data provided by texture.\n\n  this.displacementData = null;\n  this.displacementWidth;\n  this.displacementHeight;\n}\n\nGlobe.prototype = {\n  constructor: Globe,\n  dimensions: ['lng', 'lat', 'alt'],\n  type: 'globe',\n  containPoint: function () {},\n  setDisplacementData: function (data, width, height) {\n    this.displacementData = data;\n    this.displacementWidth = width;\n    this.displacementHeight = height;\n  },\n  _getDisplacementScale: function (lng, lat) {\n    var i = (lng + 180) / 360 * (this.displacementWidth - 1);\n    var j = (90 - lat) / 180 * (this.displacementHeight - 1); // NEAREST SAMPLING\n    // TODO Better bilinear sampling\n\n    var idx = Math.round(i) + Math.round(j) * this.displacementWidth;\n    return this.displacementData[idx];\n  },\n  dataToPoint: function (data, out) {\n    var lng = data[0];\n    var lat = data[1]; // Default have 0 altitude\n\n    var altVal = data[2] || 0;\n    var r = this.radius;\n\n    if (this.displacementData) {\n      r *= 1 + this._getDisplacementScale(lng, lat);\n    }\n\n    if (this.altitudeAxis) {\n      r += this.altitudeAxis.dataToCoord(altVal);\n    }\n\n    lng = lng * Math.PI / 180;\n    lat = lat * Math.PI / 180;\n    var r0 = Math.cos(lat) * r;\n    out = out || []; // PENDING\n\n    out[0] = -r0 * Math.cos(lng + Math.PI);\n    out[1] = Math.sin(lat) * r;\n    out[2] = r0 * Math.sin(lng + Math.PI);\n    return out;\n  },\n  pointToData: function (point, out) {\n    var x = point[0];\n    var y = point[1];\n    var z = point[2];\n    var len = vec3.len(point);\n    x /= len;\n    y /= len;\n    z /= len;\n    var theta = Math.asin(y);\n    var phi = Math.atan2(z, -x);\n\n    if (phi < 0) {\n      phi = Math.PI * 2 + phi;\n    }\n\n    var lat = theta * 180 / Math.PI;\n    var lng = phi * 180 / Math.PI - 180;\n    out = out || [];\n    out[0] = lng;\n    out[1] = lat;\n    out[2] = len - this.radius;\n\n    if (this.altitudeAxis) {\n      out[2] = this.altitudeAxis.coordToData(out[2]);\n    }\n\n    return out;\n  }\n};\nexport default Globe;","import Globe from './globe/Globe';\nimport * as echarts from 'echarts/lib/echarts';\nimport { getLayoutRect } from 'echarts/lib/util/layout';\nimport ViewGL from '../core/ViewGL';\nimport retrieve from '../util/retrieve';\nimport graphicGL from '../util/graphicGL';\n\nfunction getDisplacementData(img, displacementScale) {\n  var canvas = document.createElement('canvas');\n  var ctx = canvas.getContext('2d');\n  var width = img.width;\n  var height = img.height;\n  canvas.width = width;\n  canvas.height = height;\n  ctx.drawImage(img, 0, 0, width, height);\n  var rgbaArr = ctx.getImageData(0, 0, width, height).data;\n  var displacementArr = new Float32Array(rgbaArr.length / 4);\n\n  for (var i = 0; i < rgbaArr.length / 4; i++) {\n    var x = rgbaArr[i * 4];\n    displacementArr[i] = x / 255 * displacementScale;\n  }\n\n  return {\n    data: displacementArr,\n    width: width,\n    height: height\n  };\n}\n\nfunction resizeGlobe(globeModel, api) {\n  // Use left/top/width/height\n  var boxLayoutOption = globeModel.getBoxLayoutParams();\n  var viewport = getLayoutRect(boxLayoutOption, {\n    width: api.getWidth(),\n    height: api.getHeight()\n  }); // Flip Y\n\n  viewport.y = api.getHeight() - viewport.y - viewport.height;\n  this.viewGL.setViewport(viewport.x, viewport.y, viewport.width, viewport.height, api.getDevicePixelRatio());\n  this.radius = globeModel.get('globeRadius');\n  var outerRadius = globeModel.get('globeOuterRadius');\n\n  if (this.altitudeAxis) {\n    this.altitudeAxis.setExtent(0, outerRadius - this.radius);\n  }\n}\n\nfunction updateGlobe(ecModel, api) {\n  var altitudeDataExtent = [Infinity, -Infinity];\n  ecModel.eachSeries(function (seriesModel) {\n    if (seriesModel.coordinateSystem !== this) {\n      return;\n    } // Get altitude data extent.\n\n\n    var data = seriesModel.getData();\n    var altDims = seriesModel.coordDimToDataDim('alt');\n    var altDim = altDims && altDims[0];\n\n    if (altDim) {\n      // TODO altitiude is in coords of lines.\n      var dataExtent = data.getDataExtent(altDim, true);\n      altitudeDataExtent[0] = Math.min(altitudeDataExtent[0], dataExtent[0]);\n      altitudeDataExtent[1] = Math.max(altitudeDataExtent[1], dataExtent[1]);\n    }\n  }, this); // Create altitude axis\n\n  if (altitudeDataExtent && isFinite(altitudeDataExtent[1] - altitudeDataExtent[0])) {\n    var scale = echarts.helper.createScale(altitudeDataExtent, {\n      type: 'value',\n      // PENDING\n      min: 'dataMin',\n      max: 'dataMax'\n    });\n    this.altitudeAxis = new echarts.Axis('altitude', scale); // Resize again\n\n    this.resize(this.model, api);\n  }\n}\n\nvar globeCreator = {\n  dimensions: Globe.prototype.dimensions,\n  create: function (ecModel, api) {\n    var globeList = [];\n    ecModel.eachComponent('globe', function (globeModel) {\n      // FIXME\n      globeModel.__viewGL = globeModel.__viewGL || new ViewGL();\n      var globe = new Globe();\n      globe.viewGL = globeModel.__viewGL;\n      globeModel.coordinateSystem = globe;\n      globe.model = globeModel;\n      globeList.push(globe); // Inject resize\n\n      globe.resize = resizeGlobe;\n      globe.resize(globeModel, api);\n      globe.update = updateGlobe;\n    });\n    ecModel.eachSeries(function (seriesModel) {\n      if (seriesModel.get('coordinateSystem') === 'globe') {\n        var globeModel = seriesModel.getReferringComponents('globe').models[0];\n\n        if (!globeModel) {\n          globeModel = ecModel.getComponent('globe');\n        }\n\n        if (!globeModel) {\n          throw new Error('globe \"' + retrieve.firstNotNull(seriesModel.get('globe3DIndex'), seriesModel.get('globe3DId'), 0) + '\" not found');\n        }\n\n        var coordSys = globeModel.coordinateSystem;\n        seriesModel.coordinateSystem = coordSys;\n      }\n    });\n    ecModel.eachComponent('globe', function (globeModel, idx) {\n      var globe = globeModel.coordinateSystem; // Update displacement data\n\n      var displacementTextureValue = globeModel.getDisplacementTexture();\n      var displacementScale = globeModel.getDisplacemenScale();\n\n      if (globeModel.isDisplacementChanged()) {\n        if (globeModel.hasDisplacement()) {\n          var immediateLoaded = true;\n          graphicGL.loadTexture(displacementTextureValue, api, function (texture) {\n            var img = texture.image;\n            var displacementData = getDisplacementData(img, displacementScale);\n            globeModel.setDisplacementData(displacementData.data, displacementData.width, displacementData.height);\n\n            if (!immediateLoaded) {\n              // Update layouts\n              api.dispatchAction({\n                type: 'globeUpdateDisplacment'\n              });\n            }\n          });\n          immediateLoaded = false;\n        } else {\n          globe.setDisplacementData(null, 0, 0);\n        }\n\n        globe.setDisplacementData(globeModel.displacementData, globeModel.displacementWidth, globeModel.displacementHeight);\n      }\n    });\n    return globeList;\n  }\n};\nexport default globeCreator;","import { use } from 'echarts/lib/echarts';\nimport { install } from './globe/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport GlobeModel from './GlobeModel';\nimport GlobeView from './GlobeView';\nimport globeCreator from '../../coord/globeCreator';\nexport function install(registers) {\n  registers.registerComponentModel(GlobeModel);\n  registers.registerComponentView(GlobeView);\n  registers.registerCoordinateSystem('globe', globeCreator);\n  registers.registerAction({\n    type: 'globeChangeCamera',\n    event: 'globecamerachanged',\n    update: 'series:updateCamera'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'globe',\n      query: payload\n    }, function (componentModel) {\n      componentModel.setView(payload);\n    });\n  });\n  registers.registerAction({\n    type: 'globeUpdateDisplacment',\n    event: 'globedisplacementupdated',\n    update: 'update'\n  }, function (payload, ecModel) {// Noop\n  });\n}","import * as echarts from 'echarts/lib/echarts';\nimport componentPostEffectMixin from '../common/componentPostEffectMixin';\nimport componentLightMixin from '../common/componentLightMixin';\nvar MAPBOX_CAMERA_OPTION = ['zoom', 'center', 'pitch', 'bearing'];\nvar Mapbox3DModel = echarts.ComponentModel.extend({\n  type: 'mapbox3D',\n  layoutMode: 'box',\n  coordinateSystem: null,\n  defaultOption: {\n    zlevel: -10,\n    style: 'mapbox://styles/mapbox/light-v9',\n    center: [0, 0],\n    zoom: 0,\n    pitch: 0,\n    bearing: 0,\n    light: {\n      main: {\n        alpha: 20,\n        beta: 30\n      }\n    },\n    altitudeScale: 1,\n    // Default depend on altitudeScale\n    boxHeight: 'auto'\n  },\n  getMapboxCameraOption: function () {\n    var self = this;\n    return MAPBOX_CAMERA_OPTION.reduce(function (obj, key) {\n      obj[key] = self.get(key);\n      return obj;\n    }, {});\n  },\n  setMapboxCameraOption: function (option) {\n    if (option != null) {\n      MAPBOX_CAMERA_OPTION.forEach(function (key) {\n        if (option[key] != null) {\n          this.option[key] = option[key];\n        }\n      }, this);\n    }\n  },\n\n  /**\n   * Get mapbox instance\n   */\n  getMapbox: function () {\n    return this._mapbox;\n  },\n  setMapbox: function (mapbox) {\n    this._mapbox = mapbox;\n  }\n});\necharts.util.merge(Mapbox3DModel.prototype, componentPostEffectMixin);\necharts.util.merge(Mapbox3DModel.prototype, componentLightMixin);\nexport default Mapbox3DModel;","/**\n * @constructor\n * @alias module:echarts-gl/component/mapbox3D/Mapbox3DLayer\n * @param {string} id Layer ID\n * @param {module:zrender/ZRender} zr\n */\nfunction Mapbox3DLayer(id, zr) {\n  this.id = id;\n  this.zr = zr;\n  this.dom = document.createElement('div');\n  this.dom.style.cssText = 'position:absolute;left:0;right:0;top:0;bottom:0;'; // FIXME If in module environment.\n\n  if (!mapboxgl) {\n    throw new Error('Mapbox GL library must be included. See https://www.mapbox.com/mapbox-gl-js/api/');\n  }\n\n  this._mapbox = new mapboxgl.Map({\n    container: this.dom\n  }); // Proxy events\n\n  this._initEvents();\n}\n\nMapbox3DLayer.prototype.setUnpainted = function () {};\n\nMapbox3DLayer.prototype.resize = function () {\n  this._mapbox.resize();\n};\n\nMapbox3DLayer.prototype.getMapbox = function () {\n  return this._mapbox;\n};\n\nMapbox3DLayer.prototype.clear = function () {};\n\nMapbox3DLayer.prototype.refresh = function () {\n  this._mapbox.resize();\n};\n\nvar EVENTS = ['mousedown', 'mouseup', 'click', 'dblclick', 'mousemove', 'mousewheel', 'wheel', 'touchstart', 'touchend', 'touchmove', 'touchcancel'];\n\nMapbox3DLayer.prototype._initEvents = function () {\n  // Event is bound on canvas container.\n  var mapboxRoot = this._mapbox.getCanvasContainer();\n\n  this._handlers = this._handlers || {\n    contextmenu: function (e) {\n      e.preventDefault();\n      return false;\n    }\n  };\n  EVENTS.forEach(function (eName) {\n    this._handlers[eName] = function (e) {\n      var obj = {};\n\n      for (var name in e) {\n        obj[name] = e[name];\n      }\n\n      obj.bubbles = false;\n      var newE = new e.constructor(e.type, obj);\n      mapboxRoot.dispatchEvent(newE);\n    };\n\n    this.zr.dom.addEventListener(eName, this._handlers[eName]);\n  }, this); // PENDING\n\n  this.zr.dom.addEventListener('contextmenu', this._handlers.contextmenu);\n};\n\nMapbox3DLayer.prototype.dispose = function () {\n  EVENTS.forEach(function (eName) {\n    this.zr.dom.removeEventListener(eName, this._handlers[eName]);\n  }, this);\n};\n\nexport default Mapbox3DLayer;","export default \"\\n@export ecgl.displayShadow.vertex\\n\\n@import ecgl.common.transformUniforms\\n\\n@import ecgl.common.uv.header\\n\\n@import ecgl.common.attributes\\n\\nvarying vec3 v_WorldPosition;\\n\\nvarying vec3 v_Normal;\\n\\nvoid main()\\n{\\n @import ecgl.common.uv.main\\n v_Normal = normalize((worldInverseTranspose * vec4(normal, 0.0)).xyz);\\n\\n v_WorldPosition = (world * vec4(position, 1.0)).xyz;\\n gl_Position = worldViewProjection * vec4(position, 1.0);\\n}\\n\\n@end\\n\\n\\n@export ecgl.displayShadow.fragment\\n\\n@import ecgl.common.uv.fragmentHeader\\n\\nvarying vec3 v_Normal;\\nvarying vec3 v_WorldPosition;\\n\\nuniform float roughness: 0.2;\\n\\n#ifdef DIRECTIONAL_LIGHT_COUNT\\n@import clay.header.directional_light\\n#endif\\n\\n@import ecgl.common.ssaoMap.header\\n\\n@import clay.plugin.compute_shadow_map\\n\\nvoid main()\\n{\\n float shadow = 1.0;\\n\\n @import ecgl.common.ssaoMap.main\\n\\n#if defined(DIRECTIONAL_LIGHT_COUNT) && defined(DIRECTIONAL_LIGHT_SHADOWMAP_COUNT)\\n float shadowContribsDir[DIRECTIONAL_LIGHT_COUNT];\\n if(shadowEnabled)\\n {\\n computeShadowOfDirectionalLights(v_WorldPosition, shadowContribsDir);\\n }\\n for (int i = 0; i < DIRECTIONAL_LIGHT_COUNT; i++) {\\n shadow = min(shadow, shadowContribsDir[i] * 0.5 + 0.5);\\n }\\n#endif\\n\\n shadow *= 0.5 + ao * 0.5;\\n shadow = clamp(shadow, 0.0, 1.0);\\n\\n gl_FragColor = vec4(vec3(0.0), 1.0 - shadow);\\n}\\n\\n@end\";","import * as echarts from 'echarts/lib/echarts';\nimport Mapbox3DLayer from './Mapbox3DLayer';\nimport SceneHelper from '../common/SceneHelper';\nimport graphicGL from '../../util/graphicGL';\nimport displayShadowGLSL from '../../util/shader/displayShadow.glsl.js';\ngraphicGL.Shader.import(displayShadowGLSL);\nvar TILE_SIZE = 512;\nexport default echarts.ComponentView.extend({\n  type: 'mapbox3D',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    var zr = api.getZr();\n    this._zrLayer = new Mapbox3DLayer('mapbox3D', zr);\n    zr.painter.insertLayer(-1000, this._zrLayer);\n    this._lightRoot = new graphicGL.Node();\n    this._sceneHelper = new SceneHelper(this._lightRoot);\n\n    this._sceneHelper.initLight(this._lightRoot);\n\n    var mapbox = this._zrLayer.getMapbox();\n\n    var dispatchInteractAction = this._dispatchInteractAction.bind(this, api, mapbox); // PENDING\n\n\n    ['zoom', 'rotate', 'drag', 'pitch', 'rotate', 'move'].forEach(function (eName) {\n      mapbox.on(eName, dispatchInteractAction);\n    });\n    this._groundMesh = new graphicGL.Mesh({\n      geometry: new graphicGL.PlaneGeometry(),\n      material: new graphicGL.Material({\n        shader: new graphicGL.Shader({\n          vertex: graphicGL.Shader.source('ecgl.displayShadow.vertex'),\n          fragment: graphicGL.Shader.source('ecgl.displayShadow.fragment')\n        }),\n        depthMask: false\n      }),\n      // Render first\n      renderOrder: -100,\n      culling: false,\n      castShadow: false,\n      $ignorePicking: true,\n      renderNormal: true\n    });\n  },\n  render: function (mapbox3DModel, ecModel, api) {\n    var mapbox = this._zrLayer.getMapbox();\n\n    var styleDesc = mapbox3DModel.get('style');\n    var styleStr = JSON.stringify(styleDesc);\n\n    if (styleStr !== this._oldStyleStr) {\n      if (styleDesc) {\n        mapbox.setStyle(styleDesc);\n      }\n    }\n\n    this._oldStyleStr = styleStr;\n    mapbox.setCenter(mapbox3DModel.get('center'));\n    mapbox.setZoom(mapbox3DModel.get('zoom'));\n    mapbox.setPitch(mapbox3DModel.get('pitch'));\n    mapbox.setBearing(mapbox3DModel.get('bearing'));\n    mapbox3DModel.setMapbox(mapbox);\n    var coordSys = mapbox3DModel.coordinateSystem; // Not add to rootNode. Or light direction will be stretched by rootNode scale\n\n    coordSys.viewGL.scene.add(this._lightRoot);\n    coordSys.viewGL.add(this._groundMesh);\n\n    this._updateGroundMesh(); // Update lights\n\n\n    this._sceneHelper.setScene(coordSys.viewGL.scene);\n\n    this._sceneHelper.updateLight(mapbox3DModel); // Update post effects\n\n\n    coordSys.viewGL.setPostEffect(mapbox3DModel.getModel('postEffect'), api);\n    coordSys.viewGL.setTemporalSuperSampling(mapbox3DModel.getModel('temporalSuperSampling'));\n    this._mapbox3DModel = mapbox3DModel;\n  },\n  afterRender: function (mapbox3DModel, ecModel, api, layerGL) {\n    var renderer = layerGL.renderer;\n\n    this._sceneHelper.updateAmbientCubemap(renderer, mapbox3DModel, api);\n\n    this._sceneHelper.updateSkybox(renderer, mapbox3DModel, api); // FIXME If other series changes coordinate system.\n    // FIXME When doing progressive rendering.\n\n\n    mapbox3DModel.coordinateSystem.viewGL.scene.traverse(function (mesh) {\n      if (mesh.material) {\n        mesh.material.define('fragment', 'NORMAL_UP_AXIS', 2);\n        mesh.material.define('fragment', 'NORMAL_FRONT_AXIS', 1);\n      }\n    });\n  },\n  updateCamera: function (mapbox3DModel, ecModel, api, payload) {\n    mapbox3DModel.coordinateSystem.setCameraOption(payload);\n\n    this._updateGroundMesh();\n\n    api.getZr().refresh();\n  },\n  _dispatchInteractAction: function (api, mapbox, mapbox3DModel) {\n    api.dispatchAction({\n      type: 'mapbox3DChangeCamera',\n      pitch: mapbox.getPitch(),\n      zoom: mapbox.getZoom(),\n      center: mapbox.getCenter().toArray(),\n      bearing: mapbox.getBearing(),\n      mapbox3DId: this._mapbox3DModel && this._mapbox3DModel.id\n    });\n  },\n  _updateGroundMesh: function () {\n    if (this._mapbox3DModel) {\n      var coordSys = this._mapbox3DModel.coordinateSystem;\n      var pt = coordSys.dataToPoint(coordSys.center);\n\n      this._groundMesh.position.set(pt[0], pt[1], -0.001);\n\n      var plane = new graphicGL.Plane(new graphicGL.Vector3(0, 0, 1), 0);\n      var ray1 = coordSys.viewGL.camera.castRay(new graphicGL.Vector2(-1, -1));\n      var ray2 = coordSys.viewGL.camera.castRay(new graphicGL.Vector2(1, 1));\n      var pos0 = ray1.intersectPlane(plane);\n      var pos1 = ray2.intersectPlane(plane);\n      var scale = pos0.dist(pos1) / coordSys.viewGL.rootNode.scale.x;\n\n      this._groundMesh.scale.set(scale, scale, 1);\n    }\n  },\n  dispose: function (ecModel, api) {\n    if (this._zrLayer) {\n      this._zrLayer.dispose();\n    }\n\n    api.getZr().painter.delLayer(-1000);\n  }\n});","import glmatrix from 'claygl/src/dep/glmatrix';\nvar mat4 = glmatrix.mat4;\nvar TILE_SIZE = 512;\nvar FOV = 0.6435011087932844;\nvar PI = Math.PI;\nvar WORLD_SCALE = 1 / 10;\n\nfunction MapServiceCoordSys3D() {\n  /**\n   * Width of mapbox viewport\n   */\n  this.width = 0;\n  /**\n   * Height of mapbox viewport\n   */\n\n  this.height = 0;\n  this.altitudeScale = 1; // TODO Change boxHeight won't have animation.\n\n  this.boxHeight = 'auto'; // Set by mapbox creator\n\n  this.altitudeExtent;\n  this.bearing = 0;\n  this.pitch = 0;\n  this.center = [0, 0];\n  this._origin;\n  this.zoom = 0;\n  this._initialZoom; // Some parameters for different map services.\n\n  this.maxPitch = 60;\n  this.zoomOffset = 0;\n}\n\nMapServiceCoordSys3D.prototype = {\n  constructor: MapServiceCoordSys3D,\n  dimensions: ['lng', 'lat', 'alt'],\n  containPoint: function () {},\n  setCameraOption: function (option) {\n    this.bearing = option.bearing;\n    this.pitch = option.pitch;\n    this.center = option.center;\n    this.zoom = option.zoom;\n\n    if (!this._origin) {\n      this._origin = this.projectOnTileWithScale(this.center, TILE_SIZE);\n    }\n\n    if (this._initialZoom == null) {\n      this._initialZoom = this.zoom;\n    }\n\n    this.updateTransform();\n  },\n  // https://github.com/mapbox/mapbox-gl-js/blob/master/src/geo/transform.js#L479\n  updateTransform: function () {\n    if (!this.height) {\n      return;\n    }\n\n    var cameraToCenterDistance = 0.5 / Math.tan(FOV / 2) * this.height * WORLD_SCALE; // Convert to radian.\n\n    var pitch = Math.max(Math.min(this.pitch, this.maxPitch), 0) / 180 * Math.PI; // Find the distance from the center point [width/2, height/2] to the\n    // center top point [width/2, 0] in Z units, using the law of sines.\n    // 1 Z unit is equivalent to 1 horizontal px at the center of the map\n    // (the distance between[width/2, height/2] and [width/2 + 1, height/2])\n\n    var halfFov = FOV / 2;\n    var groundAngle = Math.PI / 2 + pitch;\n    var topHalfSurfaceDistance = Math.sin(halfFov) * cameraToCenterDistance / Math.sin(Math.PI - groundAngle - halfFov); // Calculate z distance of the farthest fragment that should be rendered.\n\n    var furthestDistance = Math.cos(Math.PI / 2 - pitch) * topHalfSurfaceDistance + cameraToCenterDistance; // Add a bit extra to avoid precision problems when a fragment's distance is exactly `furthestDistance`\n\n    var farZ = furthestDistance * 1.1; // Forced to be 1000\n\n    if (this.pitch > 50) {\n      farZ = 1000;\n    } // matrix for conversion from location to GL coordinates (-1 .. 1)\n\n\n    var m = [];\n    mat4.perspective(m, FOV, this.width / this.height, 1, farZ);\n    this.viewGL.camera.projectionMatrix.setArray(m);\n    this.viewGL.camera.decomposeProjectionMatrix();\n    var m = mat4.identity([]);\n    var pt = this.dataToPoint(this.center); // Inverse\n\n    mat4.scale(m, m, [1, -1, 1]); // Translate to altitude\n\n    mat4.translate(m, m, [0, 0, -cameraToCenterDistance]);\n    mat4.rotateX(m, m, pitch);\n    mat4.rotateZ(m, m, -this.bearing / 180 * Math.PI); // Translate to center.\n\n    mat4.translate(m, m, [-pt[0] * this.getScale() * WORLD_SCALE, -pt[1] * this.getScale() * WORLD_SCALE, 0]);\n    this.viewGL.camera.viewMatrix.array = m;\n    var invertM = [];\n    mat4.invert(invertM, m);\n    this.viewGL.camera.worldTransform.array = invertM;\n    this.viewGL.camera.decomposeWorldTransform(); // scale vertically to meters per pixel (inverse of ground resolution):\n    // worldSize / (circumferenceOfEarth * cos(lat * π / 180))\n\n    var worldSize = TILE_SIZE * this.getScale();\n    var verticalScale;\n\n    if (this.altitudeExtent && !isNaN(this.boxHeight)) {\n      var range = this.altitudeExtent[1] - this.altitudeExtent[0];\n      verticalScale = this.boxHeight / range * this.getScale() / Math.pow(2, this._initialZoom - this.zoomOffset);\n    } else {\n      verticalScale = worldSize / (2 * Math.PI * 6378000 * Math.abs(Math.cos(this.center[1] * (Math.PI / 180)))) * this.altitudeScale * WORLD_SCALE;\n    } // Include scale to avoid relayout when zooming\n    // FIXME Camera scale may have problem in shadow\n\n\n    this.viewGL.rootNode.scale.set(this.getScale() * WORLD_SCALE, this.getScale() * WORLD_SCALE, verticalScale);\n  },\n  getScale: function () {\n    return Math.pow(2, this.zoom - this.zoomOffset);\n  },\n  projectOnTile: function (data, out) {\n    return this.projectOnTileWithScale(data, this.getScale() * TILE_SIZE, out);\n  },\n  projectOnTileWithScale: function (data, scale, out) {\n    var lng = data[0];\n    var lat = data[1];\n    var lambda2 = lng * PI / 180;\n    var phi2 = lat * PI / 180;\n    var x = scale * (lambda2 + PI) / (2 * PI);\n    var y = scale * (PI - Math.log(Math.tan(PI / 4 + phi2 * 0.5))) / (2 * PI);\n    out = out || [];\n    out[0] = x;\n    out[1] = y;\n    return out;\n  },\n  unprojectFromTile: function (point, out) {\n    return this.unprojectOnTileWithScale(point, this.getScale() * TILE_SIZE, out);\n  },\n  unprojectOnTileWithScale: function (point, scale, out) {\n    var x = point[0];\n    var y = point[1];\n    var lambda2 = x / scale * (2 * PI) - PI;\n    var phi2 = 2 * (Math.atan(Math.exp(PI - y / scale * (2 * PI))) - PI / 4);\n    out = out || [];\n    out[0] = lambda2 * 180 / PI;\n    out[1] = phi2 * 180 / PI;\n    return out;\n  },\n  dataToPoint: function (data, out) {\n    out = this.projectOnTileWithScale(data, TILE_SIZE, out); // Add a origin to avoid precision issue in WebGL.\n\n    out[0] -= this._origin[0];\n    out[1] -= this._origin[1]; // PENDING\n\n    out[2] = !isNaN(data[2]) ? data[2] : 0;\n\n    if (!isNaN(data[2])) {\n      out[2] = data[2];\n\n      if (this.altitudeExtent) {\n        out[2] -= this.altitudeExtent[0];\n      }\n    }\n\n    return out;\n  }\n};\nexport default MapServiceCoordSys3D;","import MapService3D from '../mapServiceCommon/MapService3D';\n\nfunction Mapbox3D() {\n  MapService3D.apply(this, arguments);\n}\n\nMapbox3D.prototype = new MapService3D();\nMapbox3D.prototype.constructor = Mapbox3D;\nMapbox3D.prototype.type = 'mapbox3D';\nexport default Mapbox3D;","import retrieve from '../../util/retrieve';\nimport graphicGL from '../../util/graphicGL';\nimport ViewGL from '../../core/ViewGL';\nexport default function (serviceComponentType, ServiceCtor, afterCreate) {\n  function resizeMapService3D(mapService3DModel, api) {\n    var width = api.getWidth();\n    var height = api.getHeight();\n    var dpr = api.getDevicePixelRatio();\n    this.viewGL.setViewport(0, 0, width, height, dpr);\n    this.width = width;\n    this.height = height;\n    this.altitudeScale = mapService3DModel.get('altitudeScale');\n    this.boxHeight = mapService3DModel.get('boxHeight'); // this.updateTransform();\n  }\n\n  function updateService3D(ecModel, api) {\n    if (this.model.get('boxHeight') === 'auto') {\n      return;\n    }\n\n    var altitudeDataExtent = [Infinity, -Infinity];\n    ecModel.eachSeries(function (seriesModel) {\n      if (seriesModel.coordinateSystem !== this) {\n        return;\n      } // Get altitude data extent.\n\n\n      var data = seriesModel.getData();\n      var altDim = seriesModel.coordDimToDataDim('alt')[0];\n\n      if (altDim) {\n        // TODO altitiude is in coords of lines.\n        var dataExtent = data.getDataExtent(altDim, true);\n        altitudeDataExtent[0] = Math.min(altitudeDataExtent[0], dataExtent[0]);\n        altitudeDataExtent[1] = Math.max(altitudeDataExtent[1], dataExtent[1]);\n      }\n    }, this);\n\n    if (altitudeDataExtent && isFinite(altitudeDataExtent[1] - altitudeDataExtent[0])) {\n      this.altitudeExtent = altitudeDataExtent;\n    }\n  }\n\n  return {\n    dimensions: ServiceCtor.prototype.dimensions,\n    create: function (ecModel, api) {\n      var mapService3DList = [];\n      ecModel.eachComponent(serviceComponentType, function (mapService3DModel) {\n        var viewGL = mapService3DModel.__viewGL;\n\n        if (!viewGL) {\n          viewGL = mapService3DModel.__viewGL = new ViewGL();\n          viewGL.setRootNode(new graphicGL.Node());\n        }\n\n        var mapService3DCoordSys = new ServiceCtor();\n        mapService3DCoordSys.viewGL = mapService3DModel.__viewGL; // Inject resize\n\n        mapService3DCoordSys.resize = resizeMapService3D;\n        mapService3DCoordSys.resize(mapService3DModel, api);\n        mapService3DList.push(mapService3DCoordSys);\n        mapService3DModel.coordinateSystem = mapService3DCoordSys;\n        mapService3DCoordSys.model = mapService3DModel;\n        mapService3DCoordSys.update = updateService3D;\n      });\n      ecModel.eachSeries(function (seriesModel) {\n        if (seriesModel.get('coordinateSystem') === serviceComponentType) {\n          var mapService3DModel = seriesModel.getReferringComponents(serviceComponentType).models[0];\n\n          if (!mapService3DModel) {\n            mapService3DModel = ecModel.getComponent(serviceComponentType);\n          }\n\n          if (!mapService3DModel) {\n            throw new Error(serviceComponentType + ' \"' + retrieve.firstNotNull(seriesModel.get(serviceComponentType + 'Index'), seriesModel.get(serviceComponentType + 'Id'), 0) + '\" not found');\n          }\n\n          seriesModel.coordinateSystem = mapService3DModel.coordinateSystem;\n        }\n      });\n      afterCreate && afterCreate(mapService3DList, ecModel, api);\n      return mapService3DList;\n    }\n  };\n}","import Mapbox3D from './mapbox3D/Mapbox3D';\nimport createMapService3DCreator from './mapServiceCommon/createMapService3DCreator';\nvar mapbox3DCreator = createMapService3DCreator('mapbox3D', Mapbox3D, function (mapbox3DList) {\n  mapbox3DList.forEach(function (mapbox3D) {\n    mapbox3D.setCameraOption(mapbox3D.model.getMapboxCameraOption());\n  });\n});\nexport default mapbox3DCreator;","import { use } from 'echarts/lib/echarts';\nimport { install } from './mapbox3D/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport Mapbox3DModel from './Mapbox3DModel';\nimport Mapbox3DView from './Mapbox3DView';\nimport mapbox3DCreator from '../../coord/mapbox3DCreator';\nexport function install(registers) {\n  registers.registerComponentModel(Mapbox3DModel);\n  registers.registerComponentView(Mapbox3DView);\n  registers.registerCoordinateSystem('mapbox3D', mapbox3DCreator);\n  registers.registerAction({\n    type: 'mapbox3DChangeCamera',\n    event: 'mapbox3dcamerachanged',\n    update: 'mapbox3D:updateCamera'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'mapbox3D',\n      query: payload\n    }, function (componentModel) {\n      componentModel.setMapboxCameraOption(payload);\n    });\n  });\n}","import * as echarts from 'echarts/lib/echarts';\nimport componentPostEffectMixin from '../common/componentPostEffectMixin';\nimport componentLightMixin from '../common/componentLightMixin';\nvar MAPTALKS_CAMERA_OPTION = ['zoom', 'center', 'pitch', 'bearing'];\nvar Maptalks3DModel = echarts.ComponentModel.extend({\n  type: 'maptalks3D',\n  layoutMode: 'box',\n  coordinateSystem: null,\n  defaultOption: {\n    zlevel: -10,\n    urlTemplate: 'http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png',\n    attribution: '&copy; <a href=\"http://osm.org\">OpenStreetMap</a> contributors, &copy; <a href=\"https://carto.com/\">CARTO</a>',\n    center: [0, 0],\n    zoom: 0,\n    pitch: 0,\n    bearing: 0,\n    light: {\n      main: {\n        alpha: 20,\n        beta: 30\n      }\n    },\n    altitudeScale: 1,\n    // Default depend on altitudeScale\n    boxHeight: 'auto'\n  },\n  getMaptalksCameraOption: function () {\n    var self = this;\n    return MAPTALKS_CAMERA_OPTION.reduce(function (obj, key) {\n      obj[key] = self.get(key);\n      return obj;\n    }, {});\n  },\n  setMaptalksCameraOption: function (option) {\n    if (option != null) {\n      MAPTALKS_CAMERA_OPTION.forEach(function (key) {\n        if (option[key] != null) {\n          this.option[key] = option[key];\n        }\n      }, this);\n    }\n  },\n\n  /**\n   * Get maptalks instance\n   */\n  getMaptalks: function () {\n    return this._maptalks;\n  },\n  setMaptalks: function (maptalks) {\n    this._maptalks = maptalks;\n  }\n});\necharts.util.merge(Maptalks3DModel.prototype, componentPostEffectMixin);\necharts.util.merge(Maptalks3DModel.prototype, componentLightMixin);\nexport default Maptalks3DModel;","/**\n * @constructor\n * @alias module:echarts-gl/component/maptalks/Maptalks3DLayer\n * @param {string} id Layer ID\n * @param {module:zrender/ZRender} zr\n */\nfunction Maptalks3DLayer(id, zr, defaultCenter, defaultZoom) {\n  this.id = id;\n  this.zr = zr;\n  this.dom = document.createElement('div');\n  this.dom.style.cssText = 'position:absolute;left:0;right:0;top:0;bottom:0;'; // FIXME If in module environment.\n\n  if (!maptalks) {\n    throw new Error('Maptalks library must be included. See https://maptalks.org');\n  }\n\n  this._maptalks = new maptalks.Map(this.dom, {\n    center: defaultCenter,\n    zoom: defaultZoom,\n    doubleClickZoom: false,\n    fog: false // fogColor: [0, 0, 0]\n\n  }); // Proxy events\n\n  this._initEvents();\n}\n\nMaptalks3DLayer.prototype.setUnpainted = function () {};\n\nMaptalks3DLayer.prototype.resize = function () {\n  this._maptalks.checkSize();\n};\n\nMaptalks3DLayer.prototype.getMaptalks = function () {\n  return this._maptalks;\n};\n\nMaptalks3DLayer.prototype.clear = function () {};\n\nMaptalks3DLayer.prototype.refresh = function () {\n  this._maptalks.checkSize();\n};\n\nvar EVENTS = ['mousedown', 'mouseup', 'click', 'dblclick', 'mousemove', 'mousewheel', 'DOMMouseScroll', 'touchstart', 'touchend', 'touchmove', 'touchcancel'];\n\nMaptalks3DLayer.prototype._initEvents = function () {\n  // Event is bound on canvas container.\n  var maptalksRoot = this.dom;\n  this._handlers = this._handlers || {\n    contextmenu: function (e) {\n      e.preventDefault();\n      return false;\n    }\n  };\n  EVENTS.forEach(function (eName) {\n    this._handlers[eName] = function (e) {\n      var obj = {};\n\n      for (var name in e) {\n        obj[name] = e[name];\n      }\n\n      obj.bubbles = false;\n      var newE = new e.constructor(e.type, obj);\n\n      if (eName === 'mousewheel' || eName === 'DOMMouseScroll') {\n        // maptalks listens events to different elements?\n        maptalksRoot.dispatchEvent(newE);\n      } else {\n        maptalksRoot.firstElementChild.dispatchEvent(newE);\n      }\n    };\n\n    this.zr.dom.addEventListener(eName, this._handlers[eName]);\n  }, this); // PENDING\n\n  this.zr.dom.addEventListener('contextmenu', this._handlers.contextmenu);\n};\n\nMaptalks3DLayer.prototype.dispose = function () {\n  EVENTS.forEach(function (eName) {\n    this.zr.dom.removeEventListener(eName, this._handlers[eName]);\n  }, this);\n\n  this._maptalks.remove();\n};\n\nexport default Maptalks3DLayer;","import * as echarts from 'echarts/lib/echarts';\nimport Maptalks3DLayer from './Maptalks3DLayer';\nimport SceneHelper from '../common/SceneHelper';\nimport graphicGL from '../../util/graphicGL';\nimport displayShadowGLSL from '../../util/shader/displayShadow.glsl.js';\ngraphicGL.Shader.import(displayShadowGLSL);\nexport default echarts.ComponentView.extend({\n  type: 'maptalks3D',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this._groundMesh = new graphicGL.Mesh({\n      geometry: new graphicGL.PlaneGeometry(),\n      material: new graphicGL.Material({\n        shader: new graphicGL.Shader({\n          vertex: graphicGL.Shader.source('ecgl.displayShadow.vertex'),\n          fragment: graphicGL.Shader.source('ecgl.displayShadow.fragment')\n        }),\n        depthMask: false\n      }),\n      // Render first\n      renderOrder: -100,\n      culling: false,\n      castShadow: false,\n      $ignorePicking: true,\n      renderNormal: true\n    });\n  },\n  _initMaptalksLayer: function (mapbox3DModel, api) {\n    var zr = api.getZr();\n    this._zrLayer = new Maptalks3DLayer('maptalks3D', zr, mapbox3DModel.get('center'), mapbox3DModel.get('zoom'));\n    zr.painter.insertLayer(-1000, this._zrLayer);\n    this._lightRoot = new graphicGL.Node();\n    this._sceneHelper = new SceneHelper(this._lightRoot);\n\n    this._sceneHelper.initLight(this._lightRoot);\n\n    var maptalks = this._zrLayer.getMaptalks();\n\n    var dispatchInteractAction = this._dispatchInteractAction.bind(this, api, maptalks); // PENDING\n\n\n    ['zoomend', 'zooming', 'zoomstart', 'dragrotating', 'pitch', 'pitchend', 'movestart', 'moving', 'moveend', 'resize', 'touchstart', 'touchmove', 'touchend', 'animating'].forEach(function (eName) {\n      maptalks.on(eName, dispatchInteractAction);\n    });\n  },\n  render: function (maptalks3DModel, ecModel, api) {\n    if (!this._zrLayer) {\n      this._initMaptalksLayer(maptalks3DModel, api);\n    }\n\n    var mtks = this._zrLayer.getMaptalks();\n\n    var urlTemplate = maptalks3DModel.get('urlTemplate');\n    var baseLayer = mtks.getBaseLayer();\n\n    if (urlTemplate !== this._oldUrlTemplate) {\n      if (!baseLayer) {\n        baseLayer = new maptalks.TileLayer('maptalks-echarts-gl-baselayer', {\n          urlTemplate: urlTemplate,\n          // used sequentially to help with browser parallel requests per domain limitation\n          subdomains: ['a', 'b', 'c'],\n          attribution: maptalks3DModel.get('attribution')\n        });\n        mtks.setBaseLayer(baseLayer);\n      } else {\n        // PENDING setOptions may not work?\n        baseLayer.setOptions({\n          urlTemplate: urlTemplate,\n          attribution: maptalks3DModel.get('attribution')\n        });\n      }\n    }\n\n    this._oldUrlTemplate = urlTemplate;\n    mtks.setCenter(maptalks3DModel.get('center'));\n    mtks.setZoom(maptalks3DModel.get('zoom'), {\n      animation: false\n    });\n    mtks.setPitch(maptalks3DModel.get('pitch'));\n    mtks.setBearing(maptalks3DModel.get('bearing'));\n    maptalks3DModel.setMaptalks(mtks);\n    var coordSys = maptalks3DModel.coordinateSystem; // Not add to rootNode. Or light direction will be stretched by rootNode scale\n\n    coordSys.viewGL.scene.add(this._lightRoot);\n    coordSys.viewGL.add(this._groundMesh);\n\n    this._updateGroundMesh(); // Update lights\n\n\n    this._sceneHelper.setScene(coordSys.viewGL.scene);\n\n    this._sceneHelper.updateLight(maptalks3DModel); // Update post effects\n\n\n    coordSys.viewGL.setPostEffect(maptalks3DModel.getModel('postEffect'), api);\n    coordSys.viewGL.setTemporalSuperSampling(maptalks3DModel.getModel('temporalSuperSampling'));\n    this._maptalks3DModel = maptalks3DModel;\n  },\n  afterRender: function (maptalks3DModel, ecModel, api, layerGL) {\n    var renderer = layerGL.renderer;\n\n    this._sceneHelper.updateAmbientCubemap(renderer, maptalks3DModel, api);\n\n    this._sceneHelper.updateSkybox(renderer, maptalks3DModel, api); // FIXME If other series changes coordinate system.\n    // FIXME When doing progressive rendering.\n\n\n    maptalks3DModel.coordinateSystem.viewGL.scene.traverse(function (mesh) {\n      if (mesh.material) {\n        mesh.material.define('fragment', 'NORMAL_UP_AXIS', 2);\n        mesh.material.define('fragment', 'NORMAL_FRONT_AXIS', 1);\n      }\n    });\n  },\n  updateCamera: function (maptalks3DModel, ecModel, api, payload) {\n    maptalks3DModel.coordinateSystem.setCameraOption(payload);\n\n    this._updateGroundMesh();\n\n    api.getZr().refresh();\n  },\n  _dispatchInteractAction: function (api, maptalks, maptalks3DModel) {\n    api.dispatchAction({\n      type: 'maptalks3DChangeCamera',\n      pitch: maptalks.getPitch(),\n      zoom: getMapboxZoom(maptalks.getResolution()) + 1,\n      center: maptalks.getCenter().toArray(),\n      bearing: maptalks.getBearing(),\n      maptalks3DId: this._maptalks3DModel && this._maptalks3DModel.id\n    });\n  },\n  _updateGroundMesh: function () {\n    if (this._maptalks3DModel) {\n      var coordSys = this._maptalks3DModel.coordinateSystem;\n      var pt = coordSys.dataToPoint(coordSys.center);\n\n      this._groundMesh.position.set(pt[0], pt[1], -0.001);\n\n      var plane = new graphicGL.Plane(new graphicGL.Vector3(0, 0, 1), 0);\n      var ray1 = coordSys.viewGL.camera.castRay(new graphicGL.Vector2(-1, -1));\n      var ray2 = coordSys.viewGL.camera.castRay(new graphicGL.Vector2(1, 1));\n      var pos0 = ray1.intersectPlane(plane);\n      var pos1 = ray2.intersectPlane(plane);\n      var scale = pos0.dist(pos1) / coordSys.viewGL.rootNode.scale.x;\n\n      this._groundMesh.scale.set(scale, scale, 1);\n    }\n  },\n  dispose: function (ecModel, api) {\n    if (this._zrLayer) {\n      this._zrLayer.dispose();\n    }\n\n    api.getZr().painter.delLayer(-1000);\n  }\n});\nconst MAX_RES = 2 * 6378137 * Math.PI / (256 * Math.pow(2, 20));\n\nfunction getMapboxZoom(res) {\n  return 19 - Math.log(res / MAX_RES) / Math.LN2;\n}","import MapService3D from '../mapServiceCommon/MapService3D';\n\nfunction Maptalks3D() {\n  MapService3D.apply(this, arguments);\n  this.maxPitch = 85;\n  this.zoomOffset = 1;\n}\n\nMaptalks3D.prototype = new MapService3D();\nMaptalks3D.prototype.constructor = Maptalks3D;\nMaptalks3D.prototype.type = 'maptalks3D';\nexport default Maptalks3D;","import Maptalks3D from './maptalks3D/Maptalks3D';\nimport createMapService3DCreator from './mapServiceCommon/createMapService3DCreator';\nvar maptalks3DCreator = createMapService3DCreator('maptalks3D', Maptalks3D, function (maptalks3DList) {\n  maptalks3DList.forEach(function (maptalks3D) {\n    maptalks3D.setCameraOption(maptalks3D.model.getMaptalksCameraOption());\n  });\n});\nexport default maptalks3DCreator;","// Thanks to https://gitee.com/iverson_hu/maptalks-echarts-gl\nimport { use } from 'echarts/lib/echarts';\nimport { install } from './maptalks3D/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport Maptalks3DModel from './Maptalks3DModel';\nimport Maptalks3DView from './Maptalks3DView';\nimport maptalks3DCreator from '../../coord/maptalks3DCreator';\nexport function install(registers) {\n  registers.registerComponentModel(Maptalks3DModel);\n  registers.registerComponentView(Maptalks3DView);\n  registers.registerCoordinateSystem('maptalks3D', maptalks3DCreator);\n  registers.registerAction({\n    type: 'maptalks3DChangeCamera',\n    event: 'maptalks3dcamerachanged',\n    update: 'maptalks3D:updateCamera'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'maptalks3D',\n      query: payload\n    }, function (componentModel) {\n      componentModel.setMaptalksCameraOption(payload);\n    });\n  });\n}","import * as echarts from 'echarts/lib/echarts';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nvar vec3 = glmatrix.vec3;\nvar isDimensionStacked = echarts.helper.dataStack.isDimensionStacked;\n\nfunction ifCrossZero(extent) {\n  var min = extent[0];\n  var max = extent[1];\n  return !(min > 0 && max > 0 || min < 0 && max < 0);\n}\n\n;\n\nfunction cartesian3DLayout(seriesModel, coordSys) {\n  var data = seriesModel.getData(); // var barOnPlane = seriesModel.get('onGridPlane');\n\n  var barSize = seriesModel.get('barSize');\n\n  if (barSize == null) {\n    var size = coordSys.size;\n    var barWidth;\n    var barDepth;\n    var xAxis = coordSys.getAxis('x');\n    var yAxis = coordSys.getAxis('y');\n\n    if (xAxis.type === 'category') {\n      barWidth = xAxis.getBandWidth() * 0.7;\n    } else {\n      // PENDING\n      barWidth = Math.round(size[0] / Math.sqrt(data.count())) * 0.6;\n    }\n\n    if (yAxis.type === 'category') {\n      barDepth = yAxis.getBandWidth() * 0.7;\n    } else {\n      barDepth = Math.round(size[1] / Math.sqrt(data.count())) * 0.6;\n    }\n\n    barSize = [barWidth, barDepth];\n  } else if (!echarts.util.isArray(barSize)) {\n    barSize = [barSize, barSize];\n  }\n\n  var zAxisExtent = coordSys.getAxis('z').scale.getExtent();\n  var ifZAxisCrossZero = ifCrossZero(zAxisExtent);\n  var dims = ['x', 'y', 'z'].map(function (coordDimName) {\n    return seriesModel.coordDimToDataDim(coordDimName)[0];\n  });\n  var isStacked = isDimensionStacked(data, dims[2]);\n  var valueDim = isStacked ? data.getCalculationInfo('stackResultDimension') : dims[2];\n  data.each(dims, function (x, y, z, idx) {\n    // TODO zAxis is inversed\n    // TODO On different plane.\n    var stackedValue = data.get(valueDim, idx);\n    var baseValue = isStacked ? stackedValue - z : ifZAxisCrossZero ? 0 : zAxisExtent[0];\n    var start = coordSys.dataToPoint([x, y, baseValue]);\n    var end = coordSys.dataToPoint([x, y, stackedValue]);\n    var height = vec3.dist(start, end); // PENDING When zAxis is not cross zero.\n\n    var dir = [0, end[1] < start[1] ? -1 : 1, 0];\n\n    if (Math.abs(height) === 0) {\n      // TODO\n      height = 0.1;\n    }\n\n    var size = [barSize[0], height, barSize[1]];\n    data.setItemLayout(idx, [start, dir, size]);\n  });\n  data.setLayout('orient', [1, 0, 0]);\n}\n\nexport default cartesian3DLayout;","export default function (data, dimX, dimY) {\n  var xExtent = data.getDataExtent(dimX);\n  var yExtent = data.getDataExtent(dimY); // TODO Handle one data situation\n\n  var xSpan = xExtent[1] - xExtent[0] || xExtent[0];\n  var ySpan = yExtent[1] - yExtent[0] || yExtent[0];\n  var dimSize = 50;\n  var tmp = new Uint8Array(dimSize * dimSize);\n\n  for (var i = 0; i < data.count(); i++) {\n    var x = data.get(dimX, i);\n    var y = data.get(dimY, i);\n    var xIdx = Math.floor((x - xExtent[0]) / xSpan * (dimSize - 1));\n    var yIdx = Math.floor((y - yExtent[0]) / ySpan * (dimSize - 1));\n    var idx = yIdx * dimSize + xIdx;\n    tmp[idx] = tmp[idx] || 1;\n  }\n\n  var filledCount = 0;\n\n  for (var i = 0; i < tmp.length; i++) {\n    if (tmp[i]) {\n      filledCount++;\n    }\n  }\n\n  return filledCount / tmp.length;\n}\n;","import * as echarts from 'echarts/lib/echarts';\nimport Vector3 from 'claygl/src/math/Vector3';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nimport cartesian3DLayout from './cartesian3DLayout';\nimport evaluateBarSparseness from './evaluateBarSparseness';\nvar vec3 = glmatrix.vec3;\nvar isDimensionStacked = echarts.helper.dataStack.isDimensionStacked;\n\nfunction globeLayout(seriesModel, coordSys) {\n  var data = seriesModel.getData();\n  var barMinHeight = seriesModel.get('minHeight') || 0;\n  var barSize = seriesModel.get('barSize');\n  var dims = ['lng', 'lat', 'alt'].map(function (coordDimName) {\n    return seriesModel.coordDimToDataDim(coordDimName)[0];\n  });\n\n  if (barSize == null) {\n    var perimeter = coordSys.radius * Math.PI;\n    var fillRatio = evaluateBarSparseness(data, dims[0], dims[1]);\n    barSize = [perimeter / Math.sqrt(data.count() / fillRatio), perimeter / Math.sqrt(data.count() / fillRatio)];\n  } else if (!echarts.util.isArray(barSize)) {\n    barSize = [barSize, barSize];\n  }\n\n  var valueDim = getValueDimension(data, dims);\n  data.each(dims, function (lng, lat, val, idx) {\n    var stackedValue = data.get(valueDim.dimension, idx);\n    var baseValue = valueDim.isStacked ? stackedValue - val : coordSys.altitudeAxis.scale.getExtent()[0]; // TODO Stacked with minHeight.\n\n    var height = Math.max(coordSys.altitudeAxis.dataToCoord(val), barMinHeight);\n    var start = coordSys.dataToPoint([lng, lat, baseValue]);\n    var end = coordSys.dataToPoint([lng, lat, stackedValue]);\n    var dir = vec3.sub([], end, start);\n    vec3.normalize(dir, dir);\n    var size = [barSize[0], height, barSize[1]];\n    data.setItemLayout(idx, [start, dir, size]);\n  });\n  data.setLayout('orient', Vector3.UP.array);\n}\n\nfunction geo3DLayout(seriesModel, coordSys) {\n  var data = seriesModel.getData();\n  var barSize = seriesModel.get('barSize');\n  var barMinHeight = seriesModel.get('minHeight') || 0;\n  var dims = ['lng', 'lat', 'alt'].map(function (coordDimName) {\n    return seriesModel.coordDimToDataDim(coordDimName)[0];\n  });\n\n  if (barSize == null) {\n    var size = Math.min(coordSys.size[0], coordSys.size[2]);\n    var fillRatio = evaluateBarSparseness(data, dims[0], dims[1]);\n    barSize = [size / Math.sqrt(data.count() / fillRatio), size / Math.sqrt(data.count() / fillRatio)];\n  } else if (!echarts.util.isArray(barSize)) {\n    barSize = [barSize, barSize];\n  }\n\n  var dir = [0, 1, 0];\n  var valueDim = getValueDimension(data, dims);\n  data.each(dims, function (lng, lat, val, idx) {\n    var stackedValue = data.get(valueDim.dimension, idx);\n    var baseValue = valueDim.isStacked ? stackedValue - val : coordSys.altitudeAxis.scale.getExtent()[0];\n    var height = Math.max(coordSys.altitudeAxis.dataToCoord(val), barMinHeight);\n    var start = coordSys.dataToPoint([lng, lat, baseValue]);\n    var size = [barSize[0], height, barSize[1]];\n    data.setItemLayout(idx, [start, dir, size]);\n  });\n  data.setLayout('orient', [1, 0, 0]);\n}\n\nfunction mapService3DLayout(seriesModel, coordSys) {\n  var data = seriesModel.getData();\n  var dimLng = seriesModel.coordDimToDataDim('lng')[0];\n  var dimLat = seriesModel.coordDimToDataDim('lat')[0];\n  var dimAlt = seriesModel.coordDimToDataDim('alt')[0];\n  var barSize = seriesModel.get('barSize');\n  var barMinHeight = seriesModel.get('minHeight') || 0;\n\n  if (barSize == null) {\n    var xExtent = data.getDataExtent(dimLng);\n    var yExtent = data.getDataExtent(dimLat);\n    var corner0 = coordSys.dataToPoint([xExtent[0], yExtent[0]]);\n    var corner1 = coordSys.dataToPoint([xExtent[1], yExtent[1]]);\n    var size = Math.min(Math.abs(corner0[0] - corner1[0]), Math.abs(corner0[1] - corner1[1])) || 1;\n    var fillRatio = evaluateBarSparseness(data, dimLng, dimLat); // PENDING, data density\n\n    barSize = [size / Math.sqrt(data.count() / fillRatio), size / Math.sqrt(data.count() / fillRatio)];\n  } else {\n    if (!echarts.util.isArray(barSize)) {\n      barSize = [barSize, barSize];\n    }\n\n    barSize[0] /= coordSys.getScale() / 16;\n    barSize[1] /= coordSys.getScale() / 16;\n  }\n\n  var dir = [0, 0, 1];\n  var dims = [dimLng, dimLat, dimAlt];\n  var valueDim = getValueDimension(data, dims);\n  data.each(dims, function (lng, lat, val, idx) {\n    var stackedValue = data.get(valueDim.dimension, idx);\n    var baseValue = valueDim.isStacked ? stackedValue - val : 0;\n    var start = coordSys.dataToPoint([lng, lat, baseValue]);\n    var end = coordSys.dataToPoint([lng, lat, stackedValue]);\n    var height = Math.max(end[2] - start[2], barMinHeight);\n    var size = [barSize[0], height, barSize[1]];\n    data.setItemLayout(idx, [start, dir, size]);\n  });\n  data.setLayout('orient', [1, 0, 0]);\n}\n\nfunction getValueDimension(data, dataDims) {\n  var isStacked = isDimensionStacked(data, dataDims[2]);\n  return {\n    dimension: isStacked ? data.getCalculationInfo('stackResultDimension') : dataDims[2],\n    isStacked: isStacked\n  };\n}\n\nexport default function registerBarLayout(registers) {\n  registers.registerLayout(function (ecModel, api) {\n    ecModel.eachSeriesByType('bar3D', function (seriesModel) {\n      var coordSys = seriesModel.coordinateSystem;\n      var coordSysType = coordSys && coordSys.type;\n\n      if (coordSysType === 'globe') {\n        globeLayout(seriesModel, coordSys);\n      } else if (coordSysType === 'cartesian3D') {\n        cartesian3DLayout(seriesModel, coordSys);\n      } else if (coordSysType === 'geo3D') {\n        geo3DLayout(seriesModel, coordSys);\n      } else if (coordSysType === 'mapbox3D' || coordSysType === 'maptalks3D') {\n        mapService3DLayout(seriesModel, coordSys);\n      } else {\n        if (process.env.NODE_ENV !== 'production') {\n          if (!coordSys) {\n            throw new Error('bar3D doesn\\'t have coordinate system.');\n          } else {\n            throw new Error('bar3D doesn\\'t support coordinate system ' + coordSys.type);\n          }\n        }\n      }\n    });\n  });\n}","import * as echarts from 'echarts/lib/echarts';\nvar formatUtil = {};\n\nformatUtil.getFormattedLabel = function (seriesModel, dataIndex, status, dataType, dimIndex) {\n  status = status || 'normal';\n  var data = seriesModel.getData(dataType);\n  var itemModel = data.getItemModel(dataIndex);\n  var params = seriesModel.getDataParams(dataIndex, dataType);\n\n  if (dimIndex != null && params.value instanceof Array) {\n    params.value = params.value[dimIndex];\n  }\n\n  var formatter = itemModel.get(status === 'normal' ? ['label', 'formatter'] : ['emphasis', 'label', 'formatter']);\n\n  if (formatter == null) {\n    formatter = itemModel.get(['label', 'formatter']);\n  }\n\n  var text;\n\n  if (typeof formatter === 'function') {\n    params.status = status;\n    text = formatter(params);\n  } else if (typeof formatter === 'string') {\n    text = echarts.format.formatTpl(formatter, params);\n  }\n\n  return text;\n};\n/**\n * If value is not array, then convert it to array.\n * @param  {*} value\n * @return {Array} [value] or value\n */\n\n\nformatUtil.normalizeToArray = function (value) {\n  return value instanceof Array ? value : value == null ? [] : [value];\n};\n\nexport default formatUtil;","import * as echarts from 'echarts/lib/echarts';\nimport { getItemVisualColor } from '../../util/visual';\n\nfunction otherDimToDataDim(data, otherDim) {\n  var dataDim = [];\n  echarts.util.each(data.dimensions, function (dimName) {\n    var dimItem = data.getDimensionInfo(dimName);\n    var otherDims = dimItem.otherDims;\n    var dimIndex = otherDims[otherDim];\n\n    if (dimIndex != null && dimIndex !== false) {\n      dataDim[dimIndex] = dimItem.name;\n    }\n  });\n  return dataDim;\n}\n\nexport default function (seriesModel, dataIndex, multipleSeries) {\n  function formatArrayValue(value) {\n    var vertially = true;\n    var result = [];\n    var tooltipDims = otherDimToDataDim(data, 'tooltip');\n    tooltipDims.length ? echarts.util.each(tooltipDims, function (dimIdx) {\n      setEachItem(data.get(dimIdx, dataIndex), dimIdx);\n    }) // By default, all dims is used on tooltip.\n    : echarts.util.each(value, setEachItem);\n\n    function setEachItem(val, dimIdx) {\n      var dimInfo = data.getDimensionInfo(dimIdx); // If `dimInfo.tooltip` is not set, show tooltip.\n\n      if (!dimInfo || dimInfo.otherDims.tooltip === false) {\n        return;\n      }\n\n      var dimType = dimInfo.type;\n      var valStr = (vertially ? '- ' + (dimInfo.tooltipName || dimInfo.name) + ': ' : '') + (dimType === 'ordinal' ? val + '' : dimType === 'time' ? multipleSeries ? '' : echarts.format.formatTime('yyyy/MM/dd hh:mm:ss', val) : echarts.format.addCommas(val));\n      valStr && result.push(echarts.format.encodeHTML(valStr));\n    }\n\n    return (vertially ? '<br/>' : '') + result.join(vertially ? '<br/>' : ', ');\n  }\n\n  var data = seriesModel.getData();\n  var value = seriesModel.getRawValue(dataIndex);\n  var formattedValue = echarts.util.isArray(value) ? formatArrayValue(value) : echarts.format.encodeHTML(echarts.format.addCommas(value));\n  var name = data.getName(dataIndex);\n  var color = getItemVisualColor(data, dataIndex);\n\n  if (echarts.util.isObject(color) && color.colorStops) {\n    color = (color.colorStops[0] || {}).color;\n  }\n\n  color = color || 'transparent';\n  var colorEl = echarts.format.getTooltipMarker(color);\n  var seriesName = seriesModel.name; // FIXME\n\n  if (seriesName === '\\0-') {\n    // Not show '-'\n    seriesName = '';\n  }\n\n  seriesName = seriesName ? echarts.format.encodeHTML(seriesName) + (!multipleSeries ? '<br/>' : ': ') : '';\n  return !multipleSeries ? seriesName + colorEl + (name ? echarts.format.encodeHTML(name) + ': ' + formattedValue : formattedValue) : colorEl + seriesName + formattedValue;\n}\n;","import * as echarts from 'echarts/lib/echarts';\nexport default function (seriesModel, dims, source) {\n  source = source || seriesModel.getSource();\n  var coordSysDimensions = dims || echarts.getCoordinateSystemDimensions(seriesModel.get('coordinateSystem')) || ['x', 'y', 'z'];\n  var dimensions = echarts.helper.createDimensions(source, {\n    dimensionsDefine: source.dimensionsDefine || seriesModel.get('dimensions'),\n    encodeDefine: source.encodeDefine || seriesModel.get('encode'),\n    coordDimensions: coordSysDimensions.map(function (dim) {\n      var axis3DModel = seriesModel.getReferringComponents(dim + 'Axis3D').models[0];\n      return {\n        type: axis3DModel && axis3DModel.get('type') === 'category' ? 'ordinal' : 'float',\n        name: dim // Find stackable dimension. Which will represent value.\n        // stackable: dim === 'z'\n\n      };\n    })\n  });\n\n  if (seriesModel.get('coordinateSystem') === 'cartesian3D') {\n    dimensions.forEach(function (dimInfo) {\n      if (coordSysDimensions.indexOf(dimInfo.coordDim) >= 0) {\n        var axis3DModel = seriesModel.getReferringComponents(dimInfo.coordDim + 'Axis3D').models[0];\n\n        if (axis3DModel && axis3DModel.get('type') === 'category') {\n          dimInfo.ordinalMeta = axis3DModel.getOrdinalMeta();\n        }\n      }\n    });\n  }\n\n  var stackCalculationInfo = echarts.helper.dataStack.enableDataStack( // Only support 'z' and `byIndex` now.\n  seriesModel, dimensions, {\n    byIndex: true,\n    stackedCoordDimension: 'z'\n  });\n  var data = new echarts.List(dimensions, seriesModel);\n  data.setCalculationInfo(stackCalculationInfo);\n  data.initData(source);\n  return data;\n}","import * as echarts from 'echarts/lib/echarts';\nimport componentShadingMixin from '../../component/common/componentShadingMixin';\nimport formatUtil from '../../util/format';\nimport formatTooltip from '../common/formatTooltip';\nimport createList from '../common/createList';\nvar Bar3DSeries = echarts.SeriesModel.extend({\n  type: 'series.bar3D',\n  dependencies: ['globe'],\n  visualStyleAccessPathvisu: 'itemStyle',\n  getInitialData: function (option, ecModel) {\n    return createList(this);\n  },\n  getFormattedLabel: function (dataIndex, status, dataType, dimIndex) {\n    var text = formatUtil.getFormattedLabel(this, dataIndex, status, dataType, dimIndex);\n\n    if (text == null) {\n      text = this.getData().get('z', dataIndex);\n    }\n\n    return text;\n  },\n  formatTooltip: function (dataIndex) {\n    return formatTooltip(this, dataIndex);\n  },\n  defaultOption: {\n    coordinateSystem: 'cartesian3D',\n    globeIndex: 0,\n    grid3DIndex: 0,\n    zlevel: -10,\n    // bevelSize, 0 has no bevel\n    bevelSize: 0,\n    // higher is smoother\n    bevelSmoothness: 2,\n    // Bar width and depth\n    // barSize: [1, 1],\n    // On grid plane when coordinateSystem is cartesian3D\n    onGridPlane: 'xy',\n    // Shading of globe\n    shading: 'color',\n    minHeight: 0,\n    itemStyle: {\n      opacity: 1\n    },\n    label: {\n      show: false,\n      distance: 2,\n      textStyle: {\n        fontSize: 14,\n        color: '#000',\n        backgroundColor: 'rgba(255,255,255,0.7)',\n        padding: 3,\n        borderRadius: 3\n      }\n    },\n    emphasis: {\n      label: {\n        show: true\n      }\n    },\n    animationDurationUpdate: 500\n  }\n});\necharts.util.merge(Bar3DSeries.prototype, componentShadingMixin);\nexport default Bar3DSeries;","/**\n * Geometry collecting bars data\n *\n * @module echarts-gl/chart/bars/BarsGeometry\n * @author Yi Shen(http://github.com/pissang)\n */\nimport * as echarts from 'echarts/lib/echarts';\nimport dynamicConvertMixin from './dynamicConvertMixin';\nimport trianglesSortMixin from './trianglesSortMixin';\nimport Geometry from 'claygl/src/Geometry';\nimport glMatrix from 'claygl/src/dep/glmatrix';\nvar vec3 = glMatrix.vec3;\nvar mat3 = glMatrix.mat3;\n/**\n * @constructor\n * @alias module:echarts-gl/chart/bars/BarsGeometry\n * @extends clay.Geometry\n */\n\nvar BarsGeometry = Geometry.extend(function () {\n  return {\n    attributes: {\n      position: new Geometry.Attribute('position', 'float', 3, 'POSITION'),\n      normal: new Geometry.Attribute('normal', 'float', 3, 'NORMAL'),\n      color: new Geometry.Attribute('color', 'float', 4, 'COLOR'),\n      prevPosition: new Geometry.Attribute('prevPosition', 'float', 3),\n      prevNormal: new Geometry.Attribute('prevNormal', 'float', 3)\n    },\n    dynamic: true,\n    enableNormal: false,\n    bevelSize: 1,\n    bevelSegments: 0,\n    // Map from vertexIndex to dataIndex.\n    _dataIndices: null,\n    _vertexOffset: 0,\n    _triangleOffset: 0\n  };\n},\n/** @lends module:echarts-gl/chart/bars/BarsGeometry.prototype */\n{\n  resetOffset: function () {\n    this._vertexOffset = 0;\n    this._triangleOffset = 0;\n  },\n  setBarCount: function (barCount) {\n    var enableNormal = this.enableNormal;\n    var vertexCount = this.getBarVertexCount() * barCount;\n    var triangleCount = this.getBarTriangleCount() * barCount;\n\n    if (this.vertexCount !== vertexCount) {\n      this.attributes.position.init(vertexCount);\n\n      if (enableNormal) {\n        this.attributes.normal.init(vertexCount);\n      } else {\n        this.attributes.normal.value = null;\n      }\n\n      this.attributes.color.init(vertexCount);\n    }\n\n    if (this.triangleCount !== triangleCount) {\n      this.indices = vertexCount > 0xffff ? new Uint32Array(triangleCount * 3) : new Uint16Array(triangleCount * 3);\n      this._dataIndices = new Uint32Array(vertexCount);\n    }\n  },\n  getBarVertexCount: function () {\n    var bevelSegments = this.bevelSize > 0 ? this.bevelSegments : 0;\n    return bevelSegments > 0 ? this._getBevelBarVertexCount(bevelSegments) : this.enableNormal ? 24 : 8;\n  },\n  getBarTriangleCount: function () {\n    var bevelSegments = this.bevelSize > 0 ? this.bevelSegments : 0;\n    return bevelSegments > 0 ? this._getBevelBarTriangleCount(bevelSegments) : 12;\n  },\n  _getBevelBarVertexCount: function (bevelSegments) {\n    return (bevelSegments + 1) * 4 * (bevelSegments + 1) * 2;\n  },\n  _getBevelBarTriangleCount: function (bevelSegments) {\n    var widthSegments = bevelSegments * 4 + 3;\n    var heightSegments = bevelSegments * 2 + 1;\n    return (widthSegments + 1) * heightSegments * 2 + 4;\n  },\n  setColor: function (idx, color) {\n    var vertexCount = this.getBarVertexCount();\n    var start = vertexCount * idx;\n    var end = vertexCount * (idx + 1);\n\n    for (var i = start; i < end; i++) {\n      this.attributes.color.set(i, color);\n    }\n\n    this.dirtyAttribute('color');\n  },\n\n  /**\n   * Get dataIndex of vertex.\n   * @param {number} vertexIndex\n   */\n  getDataIndexOfVertex: function (vertexIndex) {\n    return this._dataIndices ? this._dataIndices[vertexIndex] : null;\n  },\n\n  /**\n   * Add a bar\n   * @param {Array.<number>} start\n   * @param {Array.<number>} end\n   * @param {Array.<number>} orient  right direction\n   * @param {Array.<number>} size size on x and z\n   * @param {Array.<number>} color\n   */\n  addBar: function () {\n    var v3Create = vec3.create;\n    var v3ScaleAndAdd = vec3.scaleAndAdd;\n    var end = v3Create();\n    var px = v3Create();\n    var py = v3Create();\n    var pz = v3Create();\n    var nx = v3Create();\n    var ny = v3Create();\n    var nz = v3Create();\n    var pts = [];\n    var normals = [];\n\n    for (var i = 0; i < 8; i++) {\n      pts[i] = v3Create();\n    }\n\n    var cubeFaces4 = [// PX\n    [0, 1, 5, 4], // NX\n    [2, 3, 7, 6], // PY\n    [4, 5, 6, 7], // NY\n    [3, 2, 1, 0], // PZ\n    [0, 4, 7, 3], // NZ\n    [1, 2, 6, 5]];\n    var face4To3 = [0, 1, 2, 0, 2, 3];\n    var cubeFaces3 = [];\n\n    for (var i = 0; i < cubeFaces4.length; i++) {\n      var face4 = cubeFaces4[i];\n\n      for (var j = 0; j < 2; j++) {\n        var face = [];\n\n        for (var k = 0; k < 3; k++) {\n          face.push(face4[face4To3[j * 3 + k]]);\n        }\n\n        cubeFaces3.push(face);\n      }\n    }\n\n    return function (start, dir, leftDir, size, color, dataIndex) {\n      // Use vertex, triangle maybe sorted.\n      var startVertex = this._vertexOffset;\n\n      if (this.bevelSize > 0 && this.bevelSegments > 0) {\n        this._addBevelBar(start, dir, leftDir, size, this.bevelSize, this.bevelSegments, color);\n      } else {\n        vec3.copy(py, dir);\n        vec3.normalize(py, py); // x * y => z\n\n        vec3.cross(pz, leftDir, py);\n        vec3.normalize(pz, pz); // y * z => x\n\n        vec3.cross(px, py, pz);\n        vec3.normalize(pz, pz);\n        vec3.negate(nx, px);\n        vec3.negate(ny, py);\n        vec3.negate(nz, pz);\n        v3ScaleAndAdd(pts[0], start, px, size[0] / 2);\n        v3ScaleAndAdd(pts[0], pts[0], pz, size[2] / 2);\n        v3ScaleAndAdd(pts[1], start, px, size[0] / 2);\n        v3ScaleAndAdd(pts[1], pts[1], nz, size[2] / 2);\n        v3ScaleAndAdd(pts[2], start, nx, size[0] / 2);\n        v3ScaleAndAdd(pts[2], pts[2], nz, size[2] / 2);\n        v3ScaleAndAdd(pts[3], start, nx, size[0] / 2);\n        v3ScaleAndAdd(pts[3], pts[3], pz, size[2] / 2);\n        v3ScaleAndAdd(end, start, py, size[1]);\n        v3ScaleAndAdd(pts[4], end, px, size[0] / 2);\n        v3ScaleAndAdd(pts[4], pts[4], pz, size[2] / 2);\n        v3ScaleAndAdd(pts[5], end, px, size[0] / 2);\n        v3ScaleAndAdd(pts[5], pts[5], nz, size[2] / 2);\n        v3ScaleAndAdd(pts[6], end, nx, size[0] / 2);\n        v3ScaleAndAdd(pts[6], pts[6], nz, size[2] / 2);\n        v3ScaleAndAdd(pts[7], end, nx, size[0] / 2);\n        v3ScaleAndAdd(pts[7], pts[7], pz, size[2] / 2);\n        var attributes = this.attributes;\n\n        if (this.enableNormal) {\n          normals[0] = px;\n          normals[1] = nx;\n          normals[2] = py;\n          normals[3] = ny;\n          normals[4] = pz;\n          normals[5] = nz;\n          var vertexOffset = this._vertexOffset;\n\n          for (var i = 0; i < cubeFaces4.length; i++) {\n            var idx3 = this._triangleOffset * 3;\n\n            for (var k = 0; k < 6; k++) {\n              this.indices[idx3++] = vertexOffset + face4To3[k];\n            }\n\n            vertexOffset += 4;\n            this._triangleOffset += 2;\n          }\n\n          for (var i = 0; i < cubeFaces4.length; i++) {\n            var normal = normals[i];\n\n            for (var k = 0; k < 4; k++) {\n              var idx = cubeFaces4[i][k];\n              attributes.position.set(this._vertexOffset, pts[idx]);\n              attributes.normal.set(this._vertexOffset, normal);\n              attributes.color.set(this._vertexOffset++, color);\n            }\n          }\n        } else {\n          for (var i = 0; i < cubeFaces3.length; i++) {\n            var idx3 = this._triangleOffset * 3;\n\n            for (var k = 0; k < 3; k++) {\n              this.indices[idx3 + k] = cubeFaces3[i][k] + this._vertexOffset;\n            }\n\n            this._triangleOffset++;\n          }\n\n          for (var i = 0; i < pts.length; i++) {\n            attributes.position.set(this._vertexOffset, pts[i]);\n            attributes.color.set(this._vertexOffset++, color);\n          }\n        }\n      }\n\n      var endVerex = this._vertexOffset;\n\n      for (var i = startVertex; i < endVerex; i++) {\n        this._dataIndices[i] = dataIndex;\n      }\n    };\n  }(),\n\n  /**\n   * Add a bar with bevel\n   * @param {Array.<number>} start\n   * @param {Array.<number>} end\n   * @param {Array.<number>} orient  right direction\n   * @param {Array.<number>} size size on x and z\n   * @param {number} bevelSize\n   * @param {number} bevelSegments\n   * @param {Array.<number>} color\n   */\n  _addBevelBar: function () {\n    var px = vec3.create();\n    var py = vec3.create();\n    var pz = vec3.create();\n    var rotateMat = mat3.create();\n    var bevelStartSize = [];\n    var xOffsets = [1, -1, -1, 1];\n    var zOffsets = [1, 1, -1, -1];\n    var yOffsets = [2, 0];\n    return function (start, dir, leftDir, size, bevelSize, bevelSegments, color) {\n      vec3.copy(py, dir);\n      vec3.normalize(py, py); // x * y => z\n\n      vec3.cross(pz, leftDir, py);\n      vec3.normalize(pz, pz); // y * z => x\n\n      vec3.cross(px, py, pz);\n      vec3.normalize(pz, pz);\n      rotateMat[0] = px[0];\n      rotateMat[1] = px[1];\n      rotateMat[2] = px[2];\n      rotateMat[3] = py[0];\n      rotateMat[4] = py[1];\n      rotateMat[5] = py[2];\n      rotateMat[6] = pz[0];\n      rotateMat[7] = pz[1];\n      rotateMat[8] = pz[2];\n      bevelSize = Math.min(size[0], size[2]) / 2 * bevelSize;\n\n      for (var i = 0; i < 3; i++) {\n        bevelStartSize[i] = Math.max(size[i] - bevelSize * 2, 0);\n      }\n\n      var rx = (size[0] - bevelStartSize[0]) / 2;\n      var ry = (size[1] - bevelStartSize[1]) / 2;\n      var rz = (size[2] - bevelStartSize[2]) / 2;\n      var pos = [];\n      var normal = [];\n      var vertexOffset = this._vertexOffset;\n      var endIndices = [];\n\n      for (var i = 0; i < 2; i++) {\n        endIndices[i] = endIndices[i] = [];\n\n        for (var m = 0; m <= bevelSegments; m++) {\n          for (var j = 0; j < 4; j++) {\n            if (m === 0 && i === 0 || i === 1 && m === bevelSegments) {\n              endIndices[i].push(vertexOffset);\n            }\n\n            for (var n = 0; n <= bevelSegments; n++) {\n              var phi = n / bevelSegments * Math.PI / 2 + Math.PI / 2 * j;\n              var theta = m / bevelSegments * Math.PI / 2 + Math.PI / 2 * i; // var r = rx < ry ? (rz < rx ? rz : rx) : (rz < ry ? rz : ry);\n\n              normal[0] = rx * Math.cos(phi) * Math.sin(theta);\n              normal[1] = ry * Math.cos(theta);\n              normal[2] = rz * Math.sin(phi) * Math.sin(theta);\n              pos[0] = normal[0] + xOffsets[j] * bevelStartSize[0] / 2;\n              pos[1] = normal[1] + ry + yOffsets[i] * bevelStartSize[1] / 2;\n              pos[2] = normal[2] + zOffsets[j] * bevelStartSize[2] / 2; // Normal is not right if rx, ry, rz not equal.\n\n              if (!(Math.abs(rx - ry) < 1e-6 && Math.abs(ry - rz) < 1e-6)) {\n                normal[0] /= rx * rx;\n                normal[1] /= ry * ry;\n                normal[2] /= rz * rz;\n              }\n\n              vec3.normalize(normal, normal);\n              vec3.transformMat3(pos, pos, rotateMat);\n              vec3.transformMat3(normal, normal, rotateMat);\n              vec3.add(pos, pos, start);\n              this.attributes.position.set(vertexOffset, pos);\n\n              if (this.enableNormal) {\n                this.attributes.normal.set(vertexOffset, normal);\n              }\n\n              this.attributes.color.set(vertexOffset, color);\n              vertexOffset++;\n            }\n          }\n        }\n      }\n\n      var widthSegments = bevelSegments * 4 + 3;\n      var heightSegments = bevelSegments * 2 + 1;\n      var len = widthSegments + 1;\n\n      for (var j = 0; j < heightSegments; j++) {\n        for (var i = 0; i <= widthSegments; i++) {\n          var i2 = j * len + i + this._vertexOffset;\n          var i1 = j * len + (i + 1) % len + this._vertexOffset;\n          var i4 = (j + 1) * len + (i + 1) % len + this._vertexOffset;\n          var i3 = (j + 1) * len + i + this._vertexOffset;\n          this.setTriangleIndices(this._triangleOffset++, [i4, i2, i1]);\n          this.setTriangleIndices(this._triangleOffset++, [i4, i3, i2]);\n        }\n      } // Close top and bottom\n\n\n      this.setTriangleIndices(this._triangleOffset++, [endIndices[0][0], endIndices[0][2], endIndices[0][1]]);\n      this.setTriangleIndices(this._triangleOffset++, [endIndices[0][0], endIndices[0][3], endIndices[0][2]]);\n      this.setTriangleIndices(this._triangleOffset++, [endIndices[1][0], endIndices[1][1], endIndices[1][2]]);\n      this.setTriangleIndices(this._triangleOffset++, [endIndices[1][0], endIndices[1][2], endIndices[1][3]]);\n      this._vertexOffset = vertexOffset;\n    };\n  }()\n});\necharts.util.defaults(BarsGeometry.prototype, dynamicConvertMixin);\necharts.util.defaults(BarsGeometry.prototype, trianglesSortMixin);\nexport default BarsGeometry;","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport retrieve from '../../util/retrieve';\nimport format from '../../util/format';\nimport BarsGeometry from '../../util/geometry/Bars3DGeometry';\nimport LabelsBuilder from '../../component/common/LabelsBuilder';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nimport { getItemVisualColor, getItemVisualOpacity } from '../../util/visual';\nvar vec3 = glmatrix.vec3;\nexport default echarts.ChartView.extend({\n  type: 'bar3D',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this.groupGL = new graphicGL.Node();\n    this._api = api;\n    this._labelsBuilder = new LabelsBuilder(256, 256, api);\n    var self = this;\n\n    this._labelsBuilder.getLabelPosition = function (dataIndex, position, distance) {\n      if (self._data) {\n        var layout = self._data.getItemLayout(dataIndex);\n\n        var start = layout[0];\n        var dir = layout[1];\n        var height = layout[2][1];\n        return vec3.scaleAndAdd([], start, dir, distance + height);\n      } else {\n        return [0, 0];\n      }\n    }; // Give a large render order.\n\n\n    this._labelsBuilder.getMesh().renderOrder = 100;\n  },\n  render: function (seriesModel, ecModel, api) {\n    // Swap barMesh\n    var tmp = this._prevBarMesh;\n    this._prevBarMesh = this._barMesh;\n    this._barMesh = tmp;\n\n    if (!this._barMesh) {\n      this._barMesh = new graphicGL.Mesh({\n        geometry: new BarsGeometry(),\n        shadowDepthMaterial: new graphicGL.Material({\n          shader: new graphicGL.Shader(graphicGL.Shader.source('ecgl.sm.depth.vertex'), graphicGL.Shader.source('ecgl.sm.depth.fragment'))\n        }),\n        // Only cartesian3D enable culling\n        // FIXME Performance\n        culling: seriesModel.coordinateSystem.type === 'cartesian3D',\n        // Render after axes\n        renderOrder: 10,\n        // Render normal in normal pass\n        renderNormal: true\n      });\n    }\n\n    this.groupGL.remove(this._prevBarMesh);\n    this.groupGL.add(this._barMesh);\n    this.groupGL.add(this._labelsBuilder.getMesh());\n    var coordSys = seriesModel.coordinateSystem;\n\n    this._doRender(seriesModel, api);\n\n    if (coordSys && coordSys.viewGL) {\n      coordSys.viewGL.add(this.groupGL);\n      var methodName = coordSys.viewGL.isLinearSpace() ? 'define' : 'undefine';\n\n      this._barMesh.material[methodName]('fragment', 'SRGB_DECODE');\n    }\n\n    this._data = seriesModel.getData();\n\n    this._labelsBuilder.updateData(this._data);\n\n    this._labelsBuilder.updateLabels();\n\n    this._updateAnimation(seriesModel);\n  },\n  _updateAnimation: function (seriesModel) {\n    graphicGL.updateVertexAnimation([['prevPosition', 'position'], ['prevNormal', 'normal']], this._prevBarMesh, this._barMesh, seriesModel);\n  },\n  _doRender: function (seriesModel, api) {\n    var data = seriesModel.getData();\n    var shading = seriesModel.get('shading');\n    var enableNormal = shading !== 'color';\n    var self = this;\n    var barMesh = this._barMesh;\n    var shadingPrefix = 'ecgl.' + shading;\n\n    if (!barMesh.material || barMesh.material.shader.name !== shadingPrefix) {\n      barMesh.material = graphicGL.createMaterial(shadingPrefix, ['VERTEX_COLOR']);\n    }\n\n    graphicGL.setMaterialFromModel(shading, barMesh.material, seriesModel, api);\n    barMesh.geometry.enableNormal = enableNormal;\n    barMesh.geometry.resetOffset(); // Bevel settings\n\n    var bevelSize = seriesModel.get('bevelSize');\n    var bevelSegments = seriesModel.get('bevelSmoothness');\n    barMesh.geometry.bevelSegments = bevelSegments;\n    barMesh.geometry.bevelSize = bevelSize;\n    var colorArr = [];\n    var vertexColors = new Float32Array(data.count() * 4);\n    var colorOffset = 0;\n    var barCount = 0;\n    var hasTransparent = false;\n    data.each(function (idx) {\n      if (!data.hasValue(idx)) {\n        return;\n      }\n\n      var color = getItemVisualColor(data, idx);\n      var opacity = getItemVisualOpacity(data, idx);\n\n      if (opacity == null) {\n        opacity = 1;\n      }\n\n      graphicGL.parseColor(color, colorArr);\n      colorArr[3] *= opacity;\n      vertexColors[colorOffset++] = colorArr[0];\n      vertexColors[colorOffset++] = colorArr[1];\n      vertexColors[colorOffset++] = colorArr[2];\n      vertexColors[colorOffset++] = colorArr[3];\n\n      if (colorArr[3] > 0) {\n        barCount++;\n\n        if (colorArr[3] < 0.99) {\n          hasTransparent = true;\n        }\n      }\n    });\n    barMesh.geometry.setBarCount(barCount);\n    var orient = data.getLayout('orient'); // Map of dataIndex and barIndex.\n\n    var barIndexOfData = this._barIndexOfData = new Int32Array(data.count());\n    var barCount = 0;\n    data.each(function (idx) {\n      if (!data.hasValue(idx)) {\n        barIndexOfData[idx] = -1;\n        return;\n      }\n\n      var layout = data.getItemLayout(idx);\n      var start = layout[0];\n      var dir = layout[1];\n      var size = layout[2];\n      var idx4 = idx * 4;\n      colorArr[0] = vertexColors[idx4++];\n      colorArr[1] = vertexColors[idx4++];\n      colorArr[2] = vertexColors[idx4++];\n      colorArr[3] = vertexColors[idx4++];\n\n      if (colorArr[3] > 0) {\n        self._barMesh.geometry.addBar(start, dir, orient, size, colorArr, idx);\n\n        barIndexOfData[idx] = barCount++;\n      }\n    });\n    barMesh.geometry.dirty();\n    barMesh.geometry.updateBoundingBox();\n    var material = barMesh.material;\n    material.transparent = hasTransparent;\n    material.depthMask = !hasTransparent;\n    barMesh.geometry.sortTriangles = hasTransparent;\n\n    this._initHandler(seriesModel, api);\n  },\n  _initHandler: function (seriesModel, api) {\n    var data = seriesModel.getData();\n    var barMesh = this._barMesh;\n    var isCartesian3D = seriesModel.coordinateSystem.type === 'cartesian3D';\n    barMesh.seriesIndex = seriesModel.seriesIndex;\n    var lastDataIndex = -1;\n    barMesh.off('mousemove');\n    barMesh.off('mouseout');\n    barMesh.on('mousemove', function (e) {\n      var dataIndex = barMesh.geometry.getDataIndexOfVertex(e.triangle[0]);\n\n      if (dataIndex !== lastDataIndex) {\n        this._downplay(lastDataIndex);\n\n        this._highlight(dataIndex);\n\n        this._labelsBuilder.updateLabels([dataIndex]);\n\n        if (isCartesian3D) {\n          api.dispatchAction({\n            type: 'grid3DShowAxisPointer',\n            value: [data.get('x', dataIndex), data.get('y', dataIndex), data.get('z', dataIndex, true)]\n          });\n        }\n      }\n\n      lastDataIndex = dataIndex;\n      barMesh.dataIndex = dataIndex;\n    }, this);\n    barMesh.on('mouseout', function (e) {\n      this._downplay(lastDataIndex);\n\n      this._labelsBuilder.updateLabels();\n\n      lastDataIndex = -1;\n      barMesh.dataIndex = -1;\n\n      if (isCartesian3D) {\n        api.dispatchAction({\n          type: 'grid3DHideAxisPointer'\n        });\n      }\n    }, this);\n  },\n  _highlight: function (dataIndex) {\n    var data = this._data;\n\n    if (!data) {\n      return;\n    }\n\n    var barIndex = this._barIndexOfData[dataIndex];\n\n    if (barIndex < 0) {\n      return;\n    }\n\n    var itemModel = data.getItemModel(dataIndex);\n    var emphasisItemStyleModel = itemModel.getModel('emphasis.itemStyle');\n    var emphasisColor = emphasisItemStyleModel.get('color');\n    var emphasisOpacity = emphasisItemStyleModel.get('opacity');\n\n    if (emphasisColor == null) {\n      var color = getItemVisualColor(data, dataIndex);\n      emphasisColor = echarts.color.lift(color, -0.4);\n    }\n\n    if (emphasisOpacity == null) {\n      emphasisOpacity = getItemVisualOpacity(data, dataIndex);\n    }\n\n    var colorArr = graphicGL.parseColor(emphasisColor);\n    colorArr[3] *= emphasisOpacity;\n\n    this._barMesh.geometry.setColor(barIndex, colorArr);\n\n    this._api.getZr().refresh();\n  },\n  _downplay: function (dataIndex) {\n    var data = this._data;\n\n    if (!data) {\n      return;\n    }\n\n    var barIndex = this._barIndexOfData[dataIndex];\n\n    if (barIndex < 0) {\n      return;\n    }\n\n    var color = getItemVisualColor(data, dataIndex);\n    var opacity = getItemVisualOpacity(data, dataIndex);\n    var colorArr = graphicGL.parseColor(color);\n    colorArr[3] *= opacity;\n\n    this._barMesh.geometry.setColor(barIndex, colorArr);\n\n    this._api.getZr().refresh();\n  },\n  highlight: function (seriesModel, ecModel, api, payload) {\n    this._toggleStatus('highlight', seriesModel, ecModel, api, payload);\n  },\n  downplay: function (seriesModel, ecModel, api, payload) {\n    this._toggleStatus('downplay', seriesModel, ecModel, api, payload);\n  },\n  _toggleStatus: function (status, seriesModel, ecModel, api, payload) {\n    var data = seriesModel.getData();\n    var dataIndex = retrieve.queryDataIndex(data, payload);\n    var self = this;\n\n    if (dataIndex != null) {\n      echarts.util.each(format.normalizeToArray(dataIndex), function (dataIdx) {\n        status === 'highlight' ? this._highlight(dataIdx) : this._downplay(dataIdx);\n      }, this);\n    } else {\n      data.each(function (dataIdx) {\n        status === 'highlight' ? self._highlight(dataIdx) : self._downplay(dataIdx);\n      });\n    }\n  },\n  remove: function () {\n    this.groupGL.removeAll();\n  },\n  dispose: function () {\n    this.groupGL.removeAll();\n  }\n});","import { use } from 'echarts/lib/echarts';\nimport { install } from './bar3D/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport registerBarLayout from './bar3DLayout';\nimport Bar3DSeries from './Bar3DSeries';\nimport Bar3DView from './Bar3DView';\nexport function install(registers) {\n  registers.registerChartView(Bar3DView);\n  registers.registerSeriesModel(Bar3DSeries);\n  registerBarLayout(registers);\n  registers.registerProcessor(function (ecModel, api) {\n    ecModel.eachSeriesByType('bar3d', function (seriesModel) {\n      var data = seriesModel.getData();\n      data.filterSelf(function (idx) {\n        return data.hasValue(idx);\n      });\n    });\n  });\n}","import * as echarts from 'echarts/lib/echarts';\nimport formatTooltip from '../common/formatTooltip';\nimport createList from '../common/createList';\nvar Line3DSeries = echarts.SeriesModel.extend({\n  type: 'series.line3D',\n  dependencies: ['grid3D'],\n  visualStyleAccessPath: 'lineStyle',\n  visualDrawType: 'stroke',\n  getInitialData: function (option, ecModel) {\n    return createList(this);\n  },\n  formatTooltip: function (dataIndex) {\n    return formatTooltip(this, dataIndex);\n  },\n  defaultOption: {\n    coordinateSystem: 'cartesian3D',\n    zlevel: -10,\n    // Cartesian coordinate system\n    grid3DIndex: 0,\n    lineStyle: {\n      width: 2\n    },\n    animationDurationUpdate: 500\n  }\n});\nexport default Line3DSeries;","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport retrieve from '../../util/retrieve';\nimport Lines3DGeometry from '../../util/geometry/Lines3D';\nimport Matrix4 from 'claygl/src/math/Matrix4';\nimport Vector3 from 'claygl/src/math/Vector3';\nimport * as lineContain from 'zrender/lib/contain/line';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nimport { getItemVisualColor, getItemVisualOpacity } from '../../util/visual';\nimport lines3DGLSL from '../../util/shader/lines3D.glsl.js';\nvar vec3 = glmatrix.vec3;\ngraphicGL.Shader.import(lines3DGLSL);\nexport default echarts.ChartView.extend({\n  type: 'line3D',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this.groupGL = new graphicGL.Node();\n    this._api = api;\n  },\n  render: function (seriesModel, ecModel, api) {\n    var tmp = this._prevLine3DMesh;\n    this._prevLine3DMesh = this._line3DMesh;\n    this._line3DMesh = tmp;\n\n    if (!this._line3DMesh) {\n      this._line3DMesh = new graphicGL.Mesh({\n        geometry: new Lines3DGeometry({\n          useNativeLine: false,\n          sortTriangles: true\n        }),\n        material: new graphicGL.Material({\n          shader: graphicGL.createShader('ecgl.meshLines3D')\n        }),\n        // Render after axes\n        renderOrder: 10\n      });\n      this._line3DMesh.geometry.pick = this._pick.bind(this);\n    }\n\n    this.groupGL.remove(this._prevLine3DMesh);\n    this.groupGL.add(this._line3DMesh);\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys && coordSys.viewGL) {\n      coordSys.viewGL.add(this.groupGL); // TODO\n\n      var methodName = coordSys.viewGL.isLinearSpace() ? 'define' : 'undefine';\n\n      this._line3DMesh.material[methodName]('fragment', 'SRGB_DECODE');\n    }\n\n    this._doRender(seriesModel, api);\n\n    this._data = seriesModel.getData();\n    this._camera = coordSys.viewGL.camera;\n    this.updateCamera();\n\n    this._updateAnimation(seriesModel);\n  },\n  updateCamera: function () {\n    this._updateNDCPosition();\n  },\n  _doRender: function (seriesModel, api) {\n    var data = seriesModel.getData();\n    var lineMesh = this._line3DMesh;\n    lineMesh.geometry.resetOffset();\n    var points = data.getLayout('points');\n    var colorArr = [];\n    var vertexColors = new Float32Array(points.length / 3 * 4);\n    var colorOffset = 0;\n    var hasTransparent = false;\n    data.each(function (idx) {\n      var color = getItemVisualColor(data, idx);\n      var opacity = getItemVisualOpacity(data, idx);\n\n      if (opacity == null) {\n        opacity = 1;\n      }\n\n      graphicGL.parseColor(color, colorArr);\n      colorArr[3] *= opacity;\n      vertexColors[colorOffset++] = colorArr[0];\n      vertexColors[colorOffset++] = colorArr[1];\n      vertexColors[colorOffset++] = colorArr[2];\n      vertexColors[colorOffset++] = colorArr[3];\n\n      if (colorArr[3] < 0.99) {\n        hasTransparent = true;\n      }\n    });\n    lineMesh.geometry.setVertexCount(lineMesh.geometry.getPolylineVertexCount(points));\n    lineMesh.geometry.setTriangleCount(lineMesh.geometry.getPolylineTriangleCount(points));\n    lineMesh.geometry.addPolyline(points, vertexColors, retrieve.firstNotNull(seriesModel.get('lineStyle.width'), 1));\n    lineMesh.geometry.dirty();\n    lineMesh.geometry.updateBoundingBox();\n    var material = lineMesh.material;\n    material.transparent = hasTransparent;\n    material.depthMask = !hasTransparent;\n    var debugWireframeModel = seriesModel.getModel('debug.wireframe');\n\n    if (debugWireframeModel.get('show')) {\n      lineMesh.geometry.createAttribute('barycentric', 'float', 3);\n      lineMesh.geometry.generateBarycentric();\n      lineMesh.material.set('both', 'WIREFRAME_TRIANGLE');\n      lineMesh.material.set('wireframeLineColor', graphicGL.parseColor(debugWireframeModel.get('lineStyle.color') || 'rgba(0,0,0,0.5)'));\n      lineMesh.material.set('wireframeLineWidth', retrieve.firstNotNull(debugWireframeModel.get('lineStyle.width'), 1));\n    } else {\n      lineMesh.material.set('both', 'WIREFRAME_TRIANGLE');\n    }\n\n    this._points = points;\n\n    this._initHandler(seriesModel, api);\n  },\n  _updateAnimation: function (seriesModel) {\n    graphicGL.updateVertexAnimation([['prevPosition', 'position'], ['prevPositionPrev', 'positionPrev'], ['prevPositionNext', 'positionNext']], this._prevLine3DMesh, this._line3DMesh, seriesModel);\n  },\n  _initHandler: function (seriesModel, api) {\n    var data = seriesModel.getData();\n    var coordSys = seriesModel.coordinateSystem;\n    var lineMesh = this._line3DMesh;\n    var lastDataIndex = -1;\n    lineMesh.seriesIndex = seriesModel.seriesIndex;\n    lineMesh.off('mousemove');\n    lineMesh.off('mouseout');\n    lineMesh.on('mousemove', function (e) {\n      var value = coordSys.pointToData(e.point.array);\n      var dataIndex = data.indicesOfNearest('x', value[0])[0];\n\n      if (dataIndex !== lastDataIndex) {\n        // this._downplay(lastDataIndex);\n        // this._highlight(dataIndex);\n        api.dispatchAction({\n          type: 'grid3DShowAxisPointer',\n          value: [data.get('x', dataIndex), data.get('y', dataIndex), data.get('z', dataIndex)]\n        });\n        lineMesh.dataIndex = dataIndex;\n      }\n\n      lastDataIndex = dataIndex;\n    }, this);\n    lineMesh.on('mouseout', function (e) {\n      // this._downplay(lastDataIndex);\n      lastDataIndex = -1;\n      lineMesh.dataIndex = -1;\n      api.dispatchAction({\n        type: 'grid3DHideAxisPointer'\n      });\n    }, this);\n  },\n  // _highlight: function (dataIndex) {\n  //     var data = this._data;\n  //     if (!data) {\n  //         return;\n  //     }\n  // },\n  // _downplay: function (dataIndex) {\n  //     var data = this._data;\n  //     if (!data) {\n  //         return;\n  //     }\n  // },\n  _updateNDCPosition: function () {\n    var worldViewProjection = new Matrix4();\n    var camera = this._camera;\n    Matrix4.multiply(worldViewProjection, camera.projectionMatrix, camera.viewMatrix);\n    var positionNDC = this._positionNDC;\n    var points = this._points;\n    var nPoints = points.length / 3;\n\n    if (!positionNDC || positionNDC.length / 2 !== nPoints) {\n      positionNDC = this._positionNDC = new Float32Array(nPoints * 2);\n    }\n\n    var pos = [];\n\n    for (var i = 0; i < nPoints; i++) {\n      var i3 = i * 3;\n      var i2 = i * 2;\n      pos[0] = points[i3];\n      pos[1] = points[i3 + 1];\n      pos[2] = points[i3 + 2];\n      pos[3] = 1;\n      vec3.transformMat4(pos, pos, worldViewProjection.array);\n      positionNDC[i2] = pos[0] / pos[3];\n      positionNDC[i2 + 1] = pos[1] / pos[3];\n    }\n  },\n  _pick: function (x, y, renderer, camera, renderable, out) {\n    var positionNDC = this._positionNDC;\n    var seriesModel = this._data.hostModel;\n    var lineWidth = seriesModel.get('lineStyle.width');\n    var dataIndex = -1;\n    var width = renderer.viewport.width;\n    var height = renderer.viewport.height;\n    var halfWidth = width * 0.5;\n    var halfHeight = height * 0.5;\n    x = (x + 1) * halfWidth;\n    y = (y + 1) * halfHeight;\n\n    for (var i = 1; i < positionNDC.length / 2; i++) {\n      var x0 = (positionNDC[(i - 1) * 2] + 1) * halfWidth;\n      var y0 = (positionNDC[(i - 1) * 2 + 1] + 1) * halfHeight;\n      var x1 = (positionNDC[i * 2] + 1) * halfWidth;\n      var y1 = (positionNDC[i * 2 + 1] + 1) * halfHeight;\n\n      if (lineContain.containStroke(x0, y0, x1, y1, lineWidth, x, y)) {\n        var dist0 = (x0 - x) * (x0 - x) + (y0 - y) * (y0 - y);\n        var dist1 = (x1 - x) * (x1 - x) + (y1 - y) * (y1 - y); // Nearest point.\n\n        dataIndex = dist0 < dist1 ? i - 1 : i;\n      }\n    }\n\n    if (dataIndex >= 0) {\n      var i3 = dataIndex * 3;\n      var point = new Vector3(this._points[i3], this._points[i3 + 1], this._points[i3 + 2]);\n      out.push({\n        dataIndex: dataIndex,\n        point: point,\n        pointWorld: point.clone(),\n        target: this._line3DMesh,\n        distance: this._camera.getWorldPosition().dist(point)\n      });\n    }\n  },\n  remove: function () {\n    this.groupGL.removeAll();\n  },\n  dispose: function () {\n    this.groupGL.removeAll();\n  }\n});","import { use } from 'echarts/lib/echarts';\nimport { install } from './line3D/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport Line3DSeries from './Line3DSeries';\nimport Line3DView from './Line3DView';\nexport function install(registers) {\n  registers.registerChartView(Line3DView);\n  registers.registerSeriesModel(Line3DSeries);\n  registers.registerLayout(function (ecModel, api) {\n    ecModel.eachSeriesByType('line3D', function (seriesModel) {\n      var data = seriesModel.getData();\n      var coordSys = seriesModel.coordinateSystem;\n\n      if (coordSys) {\n        if (coordSys.type !== 'cartesian3D') {\n          if (process.env.NODE_ENV !== 'production') {\n            console.error('line3D needs cartesian3D coordinateSystem');\n          }\n\n          return;\n        }\n\n        var points = new Float32Array(data.count() * 3);\n        var item = [];\n        var out = [];\n        var coordDims = coordSys.dimensions;\n        var dims = coordDims.map(function (coordDim) {\n          return seriesModel.coordDimToDataDim(coordDim)[0];\n        });\n\n        if (coordSys) {\n          data.each(dims, function (x, y, z, idx) {\n            item[0] = x;\n            item[1] = y;\n            item[2] = z;\n            coordSys.dataToPoint(item, out);\n            points[idx * 3] = out[0];\n            points[idx * 3 + 1] = out[1];\n            points[idx * 3 + 2] = out[2];\n          });\n        }\n\n        data.setLayout('points', points);\n      }\n    });\n  });\n}","import * as echarts from 'echarts/lib/echarts';\nimport formatUtil from '../../util/format';\nimport formatTooltip from '../common/formatTooltip';\nimport createList from '../common/createList';\nexport default echarts.SeriesModel.extend({\n  type: 'series.scatter3D',\n  dependencies: ['globe', 'grid3D', 'geo3D'],\n  visualStyleAccessPath: 'itemStyle',\n  hasSymbolVisual: true,\n  getInitialData: function (option, ecModel) {\n    return createList(this);\n  },\n  getFormattedLabel: function (dataIndex, status, dataType, dimIndex) {\n    var text = formatUtil.getFormattedLabel(this, dataIndex, status, dataType, dimIndex);\n\n    if (text == null) {\n      var data = this.getData();\n      var lastDim = data.dimensions[data.dimensions.length - 1];\n      text = data.get(lastDim, dataIndex);\n    }\n\n    return text;\n  },\n  formatTooltip: function (dataIndex) {\n    return formatTooltip(this, dataIndex);\n  },\n  defaultOption: {\n    coordinateSystem: 'cartesian3D',\n    zlevel: -10,\n    progressive: 1e5,\n    progressiveThreshold: 1e5,\n    // Cartesian coordinate system\n    grid3DIndex: 0,\n    globeIndex: 0,\n    symbol: 'circle',\n    symbolSize: 10,\n    // Support source-over, lighter\n    blendMode: 'source-over',\n    label: {\n      show: false,\n      position: 'right',\n      // Screen space distance\n      distance: 5,\n      textStyle: {\n        fontSize: 14,\n        color: '#000',\n        backgroundColor: 'rgba(255,255,255,0.7)',\n        padding: 3,\n        borderRadius: 3\n      }\n    },\n    itemStyle: {\n      opacity: 0.8\n    },\n    emphasis: {\n      label: {\n        show: true\n      }\n    },\n    animationDurationUpdate: 500\n  }\n});","import * as echarts from 'echarts/lib/echarts';\n\nfunction makeSprite(size, canvas, draw) {\n  // http://simonsarris.com/blog/346-how-you-clear-your-canvas-matters\n  // http://jsperf.com/canvasclear\n  // Set width and height is fast\n  // And use the exist canvas if possible\n  // http://jsperf.com/create-canvas-vs-set-width-height/2\n  var canvas = canvas || document.createElement('canvas');\n  canvas.width = size;\n  canvas.height = size;\n  var ctx = canvas.getContext('2d');\n  draw && draw(ctx);\n  return canvas;\n}\n\nfunction makePath(symbol, symbolSize, style, marginBias) {\n  if (!echarts.util.isArray(symbolSize)) {\n    symbolSize = [symbolSize, symbolSize];\n  }\n\n  var margin = spriteUtil.getMarginByStyle(style, marginBias);\n  var width = symbolSize[0] + margin.left + margin.right;\n  var height = symbolSize[1] + margin.top + margin.bottom;\n  var path = echarts.helper.createSymbol(symbol, 0, 0, symbolSize[0], symbolSize[1]);\n  var size = Math.max(width, height);\n  path.x = margin.left;\n  path.y = margin.top;\n\n  if (width > height) {\n    path.y += (size - height) / 2;\n  } else {\n    path.x += (size - width) / 2;\n  }\n\n  var rect = path.getBoundingRect();\n  path.x -= rect.x;\n  path.y -= rect.y;\n  path.setStyle(style);\n  path.update();\n  path.__size = size;\n  return path;\n} // http://www.valvesoftware.com/publications/2007/SIGGRAPH2007_AlphaTestedMagnification.pdf\n\n\nfunction generateSDF(ctx, sourceImageData, range) {\n  var sourceWidth = sourceImageData.width;\n  var sourceHeight = sourceImageData.height;\n  var width = ctx.canvas.width;\n  var height = ctx.canvas.height;\n  var scaleX = sourceWidth / width;\n  var scaleY = sourceHeight / height;\n\n  function sign(r) {\n    return r < 128 ? 1 : -1;\n  }\n\n  function searchMinDistance(x, y) {\n    var minDistSqr = Infinity;\n    x = Math.floor(x * scaleX);\n    y = Math.floor(y * scaleY);\n    var i = y * sourceWidth + x;\n    var r = sourceImageData.data[i * 4];\n    var a = sign(r); // Search for min distance\n\n    for (var y2 = Math.max(y - range, 0); y2 < Math.min(y + range, sourceHeight); y2++) {\n      for (var x2 = Math.max(x - range, 0); x2 < Math.min(x + range, sourceWidth); x2++) {\n        var i = y2 * sourceWidth + x2;\n        var r2 = sourceImageData.data[i * 4];\n        var b = sign(r2);\n        var dx = x2 - x;\n        var dy = y2 - y;\n\n        if (a !== b) {\n          var distSqr = dx * dx + dy * dy;\n\n          if (distSqr < minDistSqr) {\n            minDistSqr = distSqr;\n          }\n        }\n      }\n    }\n\n    return a * Math.sqrt(minDistSqr);\n  }\n\n  var sdfImageData = ctx.createImageData(width, height);\n\n  for (var y = 0; y < height; y++) {\n    for (var x = 0; x < width; x++) {\n      var dist = searchMinDistance(x, y);\n      var normalized = dist / range * 0.5 + 0.5;\n      var i = (y * width + x) * 4;\n      sdfImageData.data[i++] = (1.0 - normalized) * 255;\n      sdfImageData.data[i++] = (1.0 - normalized) * 255;\n      sdfImageData.data[i++] = (1.0 - normalized) * 255;\n      sdfImageData.data[i++] = 255;\n    }\n  }\n\n  return sdfImageData;\n}\n\nvar spriteUtil = {\n  getMarginByStyle: function (style) {\n    var minMargin = style.minMargin || 0;\n    var lineWidth = 0;\n\n    if (style.stroke && style.stroke !== 'none') {\n      lineWidth = style.lineWidth == null ? 1 : style.lineWidth;\n    }\n\n    var shadowBlurSize = style.shadowBlur || 0;\n    var shadowOffsetX = style.shadowOffsetX || 0;\n    var shadowOffsetY = style.shadowOffsetY || 0;\n    var margin = {};\n    margin.left = Math.max(lineWidth / 2, -shadowOffsetX + shadowBlurSize, minMargin);\n    margin.right = Math.max(lineWidth / 2, shadowOffsetX + shadowBlurSize, minMargin);\n    margin.top = Math.max(lineWidth / 2, -shadowOffsetY + shadowBlurSize, minMargin);\n    margin.bottom = Math.max(lineWidth / 2, shadowOffsetY + shadowBlurSize, minMargin);\n    return margin;\n  },\n  // TODO Not consider shadowOffsetX, shadowOffsetY.\n\n  /**\n   * @param {string} symbol\n   * @param {number | Array.<number>} symbolSize\n   * @param {Object} style\n   */\n  createSymbolSprite: function (symbol, symbolSize, style, canvas) {\n    var path = makePath(symbol, symbolSize, style);\n    var margin = spriteUtil.getMarginByStyle(style);\n    return {\n      image: makeSprite(path.__size, canvas, function (ctx) {\n        echarts.innerDrawElementOnCanvas(ctx, path);\n      }),\n      margin: margin\n    };\n  },\n  createSDFFromCanvas: function (canvas, size, range, outCanvas) {\n    // TODO Create a low resolution SDF from high resolution image.\n    return makeSprite(size, outCanvas, function (outCtx) {\n      var ctx = canvas.getContext('2d');\n      var imgData = ctx.getImageData(0, 0, canvas.width, canvas.height);\n      outCtx.putImageData(generateSDF(outCtx, imgData, range), 0, 0);\n    });\n  },\n  createSimpleSprite: function (size, canvas) {\n    return makeSprite(size, canvas, function (ctx) {\n      var halfSize = size / 2;\n      ctx.beginPath();\n      ctx.arc(halfSize, halfSize, 60, 0, Math.PI * 2, false);\n      ctx.closePath();\n      var gradient = ctx.createRadialGradient(halfSize, halfSize, 0, halfSize, halfSize, halfSize);\n      gradient.addColorStop(0, 'rgba(255, 255, 255, 1)');\n      gradient.addColorStop(0.5, 'rgba(255, 255, 255, 0.5)');\n      gradient.addColorStop(1, 'rgba(255, 255, 255, 0)');\n      ctx.fillStyle = gradient;\n      ctx.fill();\n    });\n  }\n};\nexport default spriteUtil;","import ProgressiveQuickSort from '../ProgressiveQuickSort';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nvar vec3 = glmatrix.vec3;\nexport default {\n  needsSortVertices: function () {\n    return this.sortVertices;\n  },\n  needsSortVerticesProgressively: function () {\n    return this.needsSortVertices() && this.vertexCount >= 2e4;\n  },\n  doSortVertices: function (cameraPos, frame) {\n    var indices = this.indices;\n    var p = vec3.create();\n\n    if (!indices) {\n      indices = this.indices = this.vertexCount > 0xffff ? new Uint32Array(this.vertexCount) : new Uint16Array(this.vertexCount);\n\n      for (var i = 0; i < indices.length; i++) {\n        indices[i] = i;\n      }\n    } // Do progressive quick sort.\n\n\n    if (frame === 0) {\n      var posAttr = this.attributes.position;\n      var cameraPos = cameraPos.array;\n      var noneCount = 0;\n\n      if (!this._zList || this._zList.length !== this.vertexCount) {\n        this._zList = new Float32Array(this.vertexCount);\n      }\n\n      var firstZ;\n\n      for (var i = 0; i < this.vertexCount; i++) {\n        posAttr.get(i, p); // Camera position is in object space\n\n        var z = vec3.sqrDist(p, cameraPos);\n\n        if (isNaN(z)) {\n          // Put far away, NaN value may cause sort slow\n          z = 1e7;\n          noneCount++;\n        }\n\n        if (i === 0) {\n          firstZ = z;\n          z = 0;\n        } else {\n          // Only store the difference to avoid the precision issue.\n          z = z - firstZ;\n        }\n\n        this._zList[i] = z;\n      }\n\n      this._noneCount = noneCount;\n    }\n\n    if (this.vertexCount < 2e4) {\n      // Use simple native sort for simple geometries.\n      if (frame === 0) {\n        this._simpleSort(this._noneCount / this.vertexCount > 0.05);\n      }\n    } else {\n      for (var i = 0; i < 3; i++) {\n        this._progressiveQuickSort(frame * 3 + i);\n      }\n    }\n\n    this.dirtyIndices();\n  },\n  _simpleSort: function (useNativeQuickSort) {\n    var zList = this._zList;\n    var indices = this.indices;\n\n    function compare(a, b) {\n      // Sort from far to near. which is descending order\n      return zList[b] - zList[a];\n    } // When too much value are equal, using native quick sort with three partition..\n    // or the simple quick sort will be nearly O(n*n)\n    // http://stackoverflow.com/questions/5126586/quicksort-complexity-when-all-the-elements-are-same\n    // Otherwise simple quicksort is more effecient than v8 native quick sort when data all different.\n\n\n    if (useNativeQuickSort) {\n      Array.prototype.sort.call(indices, compare);\n    } else {\n      ProgressiveQuickSort.sort(indices, compare, 0, indices.length - 1);\n    }\n  },\n  _progressiveQuickSort: function (frame) {\n    var zList = this._zList;\n    var indices = this.indices;\n    this._quickSort = this._quickSort || new ProgressiveQuickSort();\n\n    this._quickSort.step(indices, function (a, b) {\n      return zList[b] - zList[a];\n    }, frame);\n  }\n};","import graphicGL from '../../util/graphicGL';\nimport verticesSortMixin from '../../util/geometry/verticesSortMixin';\nimport * as echarts from 'echarts/lib/echarts';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nvar vec4 = glmatrix.vec4;\nimport sdfSpriteGLSL from './sdfSprite.glsl.js';\ngraphicGL.Shader.import(sdfSpriteGLSL);\nvar PointsMesh = graphicGL.Mesh.extend(function () {\n  var geometry = new graphicGL.Geometry({\n    dynamic: true,\n    attributes: {\n      color: new graphicGL.Geometry.Attribute('color', 'float', 4, 'COLOR'),\n      position: new graphicGL.Geometry.Attribute('position', 'float', 3, 'POSITION'),\n      size: new graphicGL.Geometry.Attribute('size', 'float', 1),\n      prevPosition: new graphicGL.Geometry.Attribute('prevPosition', 'float', 3),\n      prevSize: new graphicGL.Geometry.Attribute('prevSize', 'float', 1)\n    }\n  });\n  Object.assign(geometry, verticesSortMixin);\n  var material = new graphicGL.Material({\n    shader: graphicGL.createShader('ecgl.sdfSprite'),\n    transparent: true,\n    depthMask: false\n  });\n  material.enableTexture('sprite');\n  material.define('both', 'VERTEX_COLOR');\n  material.define('both', 'VERTEX_SIZE');\n  var sdfTexture = new graphicGL.Texture2D({\n    image: document.createElement('canvas'),\n    flipY: false\n  });\n  material.set('sprite', sdfTexture); // Custom pick methods.\n\n  geometry.pick = this._pick.bind(this);\n  return {\n    geometry: geometry,\n    material: material,\n    mode: graphicGL.Mesh.POINTS,\n    sizeScale: 1\n  };\n}, {\n  _pick: function (x, y, renderer, camera, renderable, out) {\n    var positionNDC = this._positionNDC;\n\n    if (!positionNDC) {\n      return;\n    }\n\n    var viewport = renderer.viewport;\n    var ndcScaleX = 2 / viewport.width;\n    var ndcScaleY = 2 / viewport.height; // From near to far. indices have been sorted.\n\n    for (var i = this.geometry.vertexCount - 1; i >= 0; i--) {\n      var idx;\n\n      if (!this.geometry.indices) {\n        idx = i;\n      } else {\n        idx = this.geometry.indices[i];\n      }\n\n      var cx = positionNDC[idx * 2];\n      var cy = positionNDC[idx * 2 + 1];\n      var size = this.geometry.attributes.size.get(idx) / this.sizeScale;\n      var halfSize = size / 2;\n\n      if (x > cx - halfSize * ndcScaleX && x < cx + halfSize * ndcScaleX && y > cy - halfSize * ndcScaleY && y < cy + halfSize * ndcScaleY) {\n        var point = new graphicGL.Vector3();\n        var pointWorld = new graphicGL.Vector3();\n        this.geometry.attributes.position.get(idx, point.array);\n        graphicGL.Vector3.transformMat4(pointWorld, point, this.worldTransform);\n        out.push({\n          vertexIndex: idx,\n          point: point,\n          pointWorld: pointWorld,\n          target: this,\n          distance: pointWorld.distance(camera.getWorldPosition())\n        });\n      }\n    }\n  },\n  updateNDCPosition: function (worldViewProjection, is2D, api) {\n    var positionNDC = this._positionNDC;\n    var geometry = this.geometry;\n\n    if (!positionNDC || positionNDC.length / 2 !== geometry.vertexCount) {\n      positionNDC = this._positionNDC = new Float32Array(geometry.vertexCount * 2);\n    }\n\n    var pos = vec4.create();\n\n    for (var i = 0; i < geometry.vertexCount; i++) {\n      geometry.attributes.position.get(i, pos);\n      pos[3] = 1;\n      vec4.transformMat4(pos, pos, worldViewProjection.array);\n      vec4.scale(pos, pos, 1 / pos[3]);\n      positionNDC[i * 2] = pos[0];\n      positionNDC[i * 2 + 1] = pos[1];\n    }\n  }\n});\nexport default PointsMesh;","export default \"@export ecgl.sdfSprite.vertex\\n\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\nuniform float elapsedTime : 0;\\n\\nattribute vec3 position : POSITION;\\n\\n#ifdef VERTEX_SIZE\\nattribute float size;\\n#else\\nuniform float u_Size;\\n#endif\\n\\n#ifdef VERTEX_COLOR\\nattribute vec4 a_FillColor: COLOR;\\nvarying vec4 v_Color;\\n#endif\\n\\n#ifdef VERTEX_ANIMATION\\nattribute vec3 prevPosition;\\nattribute float prevSize;\\nuniform float percent : 1.0;\\n#endif\\n\\n\\n#ifdef POSITIONTEXTURE_ENABLED\\nuniform sampler2D positionTexture;\\n#endif\\n\\nvarying float v_Size;\\n\\nvoid main()\\n{\\n\\n#ifdef POSITIONTEXTURE_ENABLED\\n gl_Position = worldViewProjection * vec4(texture2D(positionTexture, position.xy).xy, -10.0, 1.0);\\n#else\\n\\n #ifdef VERTEX_ANIMATION\\n vec3 pos = mix(prevPosition, position, percent);\\n #else\\n vec3 pos = position;\\n #endif\\n gl_Position = worldViewProjection * vec4(pos, 1.0);\\n#endif\\n\\n#ifdef VERTEX_SIZE\\n#ifdef VERTEX_ANIMATION\\n v_Size = mix(prevSize, size, percent);\\n#else\\n v_Size = size;\\n#endif\\n#else\\n v_Size = u_Size;\\n#endif\\n\\n#ifdef VERTEX_COLOR\\n v_Color = a_FillColor;\\n #endif\\n\\n gl_PointSize = v_Size;\\n}\\n\\n@end\\n\\n@export ecgl.sdfSprite.fragment\\n\\nuniform vec4 color: [1, 1, 1, 1];\\nuniform vec4 strokeColor: [1, 1, 1, 1];\\nuniform float smoothing: 0.07;\\n\\nuniform float lineWidth: 0.0;\\n\\n#ifdef VERTEX_COLOR\\nvarying vec4 v_Color;\\n#endif\\n\\nvarying float v_Size;\\n\\nuniform sampler2D sprite;\\n\\n@import clay.util.srgb\\n\\nvoid main()\\n{\\n gl_FragColor = color;\\n\\n vec4 _strokeColor = strokeColor;\\n\\n#ifdef VERTEX_COLOR\\n gl_FragColor *= v_Color;\\n #endif\\n\\n#ifdef SPRITE_ENABLED\\n float d = texture2D(sprite, gl_PointCoord).r;\\n gl_FragColor.a *= smoothstep(0.5 - smoothing, 0.5 + smoothing, d);\\n\\n if (lineWidth > 0.0) {\\n float sLineWidth = lineWidth / 2.0;\\n\\n float outlineMaxValue0 = 0.5 + sLineWidth;\\n float outlineMaxValue1 = 0.5 + sLineWidth + smoothing;\\n float outlineMinValue0 = 0.5 - sLineWidth - smoothing;\\n float outlineMinValue1 = 0.5 - sLineWidth;\\n\\n if (d <= outlineMaxValue1 && d >= outlineMinValue0) {\\n float a = _strokeColor.a;\\n if (d <= outlineMinValue1) {\\n a = a * smoothstep(outlineMinValue0, outlineMinValue1, d);\\n }\\n else {\\n a = a * smoothstep(outlineMaxValue1, outlineMaxValue0, d);\\n }\\n gl_FragColor.rgb = mix(gl_FragColor.rgb * gl_FragColor.a, _strokeColor.rgb, a);\\n gl_FragColor.a = gl_FragColor.a * (1.0 - a) + a;\\n }\\n }\\n#endif\\n\\n#ifdef SRGB_DECODE\\n gl_FragColor = sRGBToLinear(gl_FragColor);\\n#endif\\n}\\n@end\";","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport spriteUtil from '../../util/sprite';\nimport PointsMesh from './PointsMesh';\nimport LabelsBuilder from '../../component/common/LabelsBuilder';\nimport Matrix4 from 'claygl/src/math/Matrix4';\nimport retrieve from '../../util/retrieve';\nimport { getItemVisualColor, getItemVisualOpacity } from '../../util/visual';\nimport { getVisualColor, getVisualOpacity } from '../../../lib/util/visual';\nvar SDF_RANGE = 20;\nvar Z_2D = -10;\n\nfunction isSymbolSizeSame(a, b) {\n  return a && b && a[0] === b[0] && a[1] === b[1];\n} // TODO gl_PointSize has max value.\n\n\nfunction PointsBuilder(is2D, api) {\n  this.rootNode = new graphicGL.Node();\n  /**\n   * @type {boolean}\n   */\n\n  this.is2D = is2D;\n  this._labelsBuilder = new LabelsBuilder(256, 256, api); // Give a large render order.\n\n  this._labelsBuilder.getMesh().renderOrder = 100;\n  this.rootNode.add(this._labelsBuilder.getMesh());\n  this._api = api;\n  this._spriteImageCanvas = document.createElement('canvas');\n  this._startDataIndex = 0;\n  this._endDataIndex = 0;\n  this._sizeScale = 1;\n}\n\nPointsBuilder.prototype = {\n  constructor: PointsBuilder,\n\n  /**\n   * If highlight on over\n   */\n  highlightOnMouseover: true,\n  update: function (seriesModel, ecModel, api, start, end) {\n    // Swap barMesh\n    var tmp = this._prevMesh;\n    this._prevMesh = this._mesh;\n    this._mesh = tmp;\n    var data = seriesModel.getData();\n\n    if (start == null) {\n      start = 0;\n    }\n\n    if (end == null) {\n      end = data.count();\n    }\n\n    this._startDataIndex = start;\n    this._endDataIndex = end - 1;\n\n    if (!this._mesh) {\n      var material = this._prevMesh && this._prevMesh.material;\n      this._mesh = new PointsMesh({\n        // Render after axes\n        renderOrder: 10,\n        // FIXME\n        frustumCulling: false\n      });\n\n      if (material) {\n        this._mesh.material = material;\n      }\n    }\n\n    var material = this._mesh.material;\n    var geometry = this._mesh.geometry;\n    var attributes = geometry.attributes;\n    this.rootNode.remove(this._prevMesh);\n    this.rootNode.add(this._mesh);\n\n    this._setPositionTextureToMesh(this._mesh, this._positionTexture);\n\n    var symbolInfo = this._getSymbolInfo(seriesModel, start, end);\n\n    var dpr = api.getDevicePixelRatio(); // TODO image symbol\n\n    var itemStyle = seriesModel.getModel('itemStyle').getItemStyle();\n    var largeMode = seriesModel.get('large');\n    var pointSizeScale = 1;\n\n    if (symbolInfo.maxSize > 2) {\n      pointSizeScale = this._updateSymbolSprite(seriesModel, itemStyle, symbolInfo, dpr);\n      material.enableTexture('sprite');\n    } else {\n      material.disableTexture('sprite');\n    }\n\n    attributes.position.init(end - start);\n    var rgbaArr = [];\n\n    if (largeMode) {\n      material.undefine('VERTEX_SIZE');\n      material.undefine('VERTEX_COLOR');\n      var color = getVisualColor(data);\n      var opacity = getVisualOpacity(data);\n      graphicGL.parseColor(color, rgbaArr);\n      rgbaArr[3] *= opacity;\n      material.set({\n        color: rgbaArr,\n        'u_Size': symbolInfo.maxSize * this._sizeScale\n      });\n    } else {\n      material.set({\n        color: [1, 1, 1, 1]\n      });\n      material.define('VERTEX_SIZE');\n      material.define('VERTEX_COLOR');\n      attributes.size.init(end - start);\n      attributes.color.init(end - start);\n      this._originalOpacity = new Float32Array(end - start);\n    }\n\n    var points = data.getLayout('points');\n    var positionArr = attributes.position.value;\n    var hasTransparentPoint = false;\n\n    for (var i = 0; i < end - start; i++) {\n      var i3 = i * 3;\n      var i2 = i * 2;\n\n      if (this.is2D) {\n        positionArr[i3] = points[i2];\n        positionArr[i3 + 1] = points[i2 + 1];\n        positionArr[i3 + 2] = Z_2D;\n      } else {\n        positionArr[i3] = points[i3];\n        positionArr[i3 + 1] = points[i3 + 1];\n        positionArr[i3 + 2] = points[i3 + 2];\n      }\n\n      if (!largeMode) {\n        var color = getItemVisualColor(data, i);\n        var opacity = getItemVisualOpacity(data, i);\n        graphicGL.parseColor(color, rgbaArr);\n        rgbaArr[3] *= opacity;\n        attributes.color.set(i, rgbaArr);\n\n        if (rgbaArr[3] < 0.99) {\n          hasTransparentPoint = true;\n        }\n\n        var symbolSize = data.getItemVisual(i, 'symbolSize');\n        symbolSize = symbolSize instanceof Array ? Math.max(symbolSize[0], symbolSize[1]) : symbolSize; // NaN pointSize may have strange result.\n\n        if (isNaN(symbolSize)) {\n          symbolSize = 0;\n        } // Scale point size because canvas has margin.\n\n\n        attributes.size.value[i] = symbolSize * pointSizeScale * this._sizeScale; // Save the original opacity for recover from fadeIn.\n\n        this._originalOpacity[i] = rgbaArr[3];\n      }\n    }\n\n    this._mesh.sizeScale = pointSizeScale;\n    geometry.updateBoundingBox();\n    geometry.dirty(); // Update material.\n\n    this._updateMaterial(seriesModel, itemStyle);\n\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys && coordSys.viewGL) {\n      var methodName = coordSys.viewGL.isLinearSpace() ? 'define' : 'undefine';\n      material[methodName]('fragment', 'SRGB_DECODE');\n    }\n\n    if (!largeMode) {\n      this._updateLabelBuilder(seriesModel, start, end);\n    }\n\n    this._updateHandler(seriesModel, ecModel, api);\n\n    this._updateAnimation(seriesModel);\n\n    this._api = api;\n  },\n  getPointsMesh: function () {\n    return this._mesh;\n  },\n  updateLabels: function (highlightDataIndices) {\n    this._labelsBuilder.updateLabels(highlightDataIndices);\n  },\n  hideLabels: function () {\n    this.rootNode.remove(this._labelsBuilder.getMesh());\n  },\n  showLabels: function () {\n    this.rootNode.add(this._labelsBuilder.getMesh());\n  },\n  _updateSymbolSprite: function (seriesModel, itemStyle, symbolInfo, dpr) {\n    symbolInfo.maxSize = Math.min(symbolInfo.maxSize * 2, 200);\n    var symbolSize = [];\n\n    if (symbolInfo.aspect > 1) {\n      symbolSize[0] = symbolInfo.maxSize;\n      symbolSize[1] = symbolInfo.maxSize / symbolInfo.aspect;\n    } else {\n      symbolSize[1] = symbolInfo.maxSize;\n      symbolSize[0] = symbolInfo.maxSize * symbolInfo.aspect;\n    } // In case invalid data.\n\n\n    symbolSize[0] = symbolSize[0] || 1;\n    symbolSize[1] = symbolSize[1] || 1;\n\n    if (this._symbolType !== symbolInfo.type || !isSymbolSizeSame(this._symbolSize, symbolSize) || this._lineWidth !== itemStyle.lineWidth) {\n      spriteUtil.createSymbolSprite(symbolInfo.type, symbolSize, {\n        fill: '#fff',\n        lineWidth: itemStyle.lineWidth,\n        stroke: 'transparent',\n        shadowColor: 'transparent',\n        minMargin: Math.min(symbolSize[0] / 2, 10)\n      }, this._spriteImageCanvas);\n      spriteUtil.createSDFFromCanvas(this._spriteImageCanvas, Math.min(this._spriteImageCanvas.width, 32), SDF_RANGE, this._mesh.material.get('sprite').image);\n      this._symbolType = symbolInfo.type;\n      this._symbolSize = symbolSize;\n      this._lineWidth = itemStyle.lineWidth;\n    }\n\n    return this._spriteImageCanvas.width / symbolInfo.maxSize * dpr;\n  },\n  _updateMaterial: function (seriesModel, itemStyle) {\n    var blendFunc = seriesModel.get('blendMode') === 'lighter' ? graphicGL.additiveBlend : null;\n    var material = this._mesh.material;\n    material.blend = blendFunc;\n    material.set('lineWidth', itemStyle.lineWidth / SDF_RANGE);\n    var strokeColor = graphicGL.parseColor(itemStyle.stroke);\n    material.set('strokeColor', strokeColor); // Because of symbol texture, we always needs it be transparent.\n\n    material.transparent = true;\n    material.depthMask = false;\n    material.depthTest = !this.is2D;\n    material.sortVertices = !this.is2D;\n  },\n  _updateLabelBuilder: function (seriesModel, start, end) {\n    var data = seriesModel.getData();\n    var geometry = this._mesh.geometry;\n    var positionArr = geometry.attributes.position.value;\n    var start = this._startDataIndex;\n    var pointSizeScale = this._mesh.sizeScale;\n\n    this._labelsBuilder.updateData(data, start, end);\n\n    this._labelsBuilder.getLabelPosition = function (dataIndex, positionDesc, distance) {\n      var idx3 = (dataIndex - start) * 3;\n      return [positionArr[idx3], positionArr[idx3 + 1], positionArr[idx3 + 2]];\n    };\n\n    this._labelsBuilder.getLabelDistance = function (dataIndex, positionDesc, distance) {\n      var size = geometry.attributes.size.get(dataIndex - start) / pointSizeScale;\n      return size / 2 + distance;\n    };\n\n    this._labelsBuilder.updateLabels();\n  },\n  _updateAnimation: function (seriesModel) {\n    graphicGL.updateVertexAnimation([['prevPosition', 'position'], ['prevSize', 'size']], this._prevMesh, this._mesh, seriesModel);\n  },\n  _updateHandler: function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n    var pointsMesh = this._mesh;\n    var self = this;\n    var lastDataIndex = -1;\n    var isCartesian3D = seriesModel.coordinateSystem && seriesModel.coordinateSystem.type === 'cartesian3D';\n    var grid3DModel;\n\n    if (isCartesian3D) {\n      grid3DModel = seriesModel.coordinateSystem.model;\n    }\n\n    pointsMesh.seriesIndex = seriesModel.seriesIndex;\n    pointsMesh.off('mousemove');\n    pointsMesh.off('mouseout');\n    pointsMesh.on('mousemove', function (e) {\n      var dataIndex = e.vertexIndex + self._startDataIndex;\n\n      if (dataIndex !== lastDataIndex) {\n        if (this.highlightOnMouseover) {\n          this.downplay(data, lastDataIndex);\n          this.highlight(data, dataIndex);\n\n          this._labelsBuilder.updateLabels([dataIndex]);\n        }\n\n        if (isCartesian3D) {\n          api.dispatchAction({\n            type: 'grid3DShowAxisPointer',\n            value: [data.get(seriesModel.coordDimToDataDim('x')[0], dataIndex), data.get(seriesModel.coordDimToDataDim('y')[0], dataIndex), data.get(seriesModel.coordDimToDataDim('z')[0], dataIndex)],\n            grid3DIndex: grid3DModel.componentIndex\n          });\n        }\n      }\n\n      pointsMesh.dataIndex = dataIndex;\n      lastDataIndex = dataIndex;\n    }, this);\n    pointsMesh.on('mouseout', function (e) {\n      var dataIndex = e.vertexIndex + self._startDataIndex;\n\n      if (this.highlightOnMouseover) {\n        this.downplay(data, dataIndex);\n\n        this._labelsBuilder.updateLabels();\n      }\n\n      lastDataIndex = -1;\n      pointsMesh.dataIndex = -1;\n\n      if (isCartesian3D) {\n        api.dispatchAction({\n          type: 'grid3DHideAxisPointer',\n          grid3DIndex: grid3DModel.componentIndex\n        });\n      }\n    }, this);\n  },\n  updateLayout: function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n\n    if (!this._mesh) {\n      return;\n    }\n\n    var positionArr = this._mesh.geometry.attributes.position.value;\n    var points = data.getLayout('points');\n\n    if (this.is2D) {\n      for (var i = 0; i < points.length / 2; i++) {\n        var i3 = i * 3;\n        var i2 = i * 2;\n        positionArr[i3] = points[i2];\n        positionArr[i3 + 1] = points[i2 + 1];\n        positionArr[i3 + 2] = Z_2D;\n      }\n    } else {\n      for (var i = 0; i < points.length; i++) {\n        positionArr[i] = points[i];\n      }\n    }\n\n    this._mesh.geometry.dirty();\n\n    api.getZr().refresh();\n  },\n  updateView: function (camera) {\n    if (!this._mesh) {\n      return;\n    }\n\n    var worldViewProjection = new Matrix4();\n    Matrix4.mul(worldViewProjection, camera.viewMatrix, this._mesh.worldTransform);\n    Matrix4.mul(worldViewProjection, camera.projectionMatrix, worldViewProjection);\n\n    this._mesh.updateNDCPosition(worldViewProjection, this.is2D, this._api);\n  },\n  highlight: function (data, dataIndex) {\n    if (dataIndex > this._endDataIndex || dataIndex < this._startDataIndex) {\n      return;\n    }\n\n    var itemModel = data.getItemModel(dataIndex);\n    var emphasisItemStyleModel = itemModel.getModel('emphasis.itemStyle');\n    var emphasisColor = emphasisItemStyleModel.get('color');\n    var emphasisOpacity = emphasisItemStyleModel.get('opacity');\n\n    if (emphasisColor == null) {\n      var color = getItemVisualColor(data, dataIndex);\n      emphasisColor = echarts.color.lift(color, -0.4);\n    }\n\n    if (emphasisOpacity == null) {\n      emphasisOpacity = getItemVisualOpacity(data, dataIndex);\n    }\n\n    var colorArr = graphicGL.parseColor(emphasisColor);\n    colorArr[3] *= emphasisOpacity;\n\n    this._mesh.geometry.attributes.color.set(dataIndex - this._startDataIndex, colorArr);\n\n    this._mesh.geometry.dirtyAttribute('color');\n\n    this._api.getZr().refresh();\n  },\n  downplay: function (data, dataIndex) {\n    if (dataIndex > this._endDataIndex || dataIndex < this._startDataIndex) {\n      return;\n    }\n\n    var color = getItemVisualColor(data, dataIndex);\n    var opacity = getItemVisualOpacity(data, dataIndex);\n    var colorArr = graphicGL.parseColor(color);\n    colorArr[3] *= opacity;\n\n    this._mesh.geometry.attributes.color.set(dataIndex - this._startDataIndex, colorArr);\n\n    this._mesh.geometry.dirtyAttribute('color');\n\n    this._api.getZr().refresh();\n  },\n  fadeOutAll: function (fadeOutPercent) {\n    if (this._originalOpacity) {\n      var geo = this._mesh.geometry;\n\n      for (var i = 0; i < geo.vertexCount; i++) {\n        var fadeOutOpacity = this._originalOpacity[i] * fadeOutPercent;\n        geo.attributes.color.value[i * 4 + 3] = fadeOutOpacity;\n      }\n\n      geo.dirtyAttribute('color');\n\n      this._api.getZr().refresh();\n    }\n  },\n  fadeInAll: function () {\n    this.fadeOutAll(1);\n  },\n  setPositionTexture: function (texture) {\n    if (this._mesh) {\n      this._setPositionTextureToMesh(this._mesh, texture);\n    }\n\n    this._positionTexture = texture;\n  },\n  removePositionTexture: function () {\n    this._positionTexture = null;\n\n    if (this._mesh) {\n      this._setPositionTextureToMesh(this._mesh, null);\n    }\n  },\n  setSizeScale: function (sizeScale) {\n    if (sizeScale !== this._sizeScale) {\n      if (this._mesh) {\n        var originalSize = this._mesh.material.get('u_Size');\n\n        this._mesh.material.set('u_Size', originalSize / this._sizeScale * sizeScale);\n\n        var attributes = this._mesh.geometry.attributes;\n\n        if (attributes.size.value) {\n          for (var i = 0; i < attributes.size.value.length; i++) {\n            attributes.size.value[i] = attributes.size.value[i] / this._sizeScale * sizeScale;\n          }\n        }\n      }\n\n      this._sizeScale = sizeScale;\n    }\n  },\n  _setPositionTextureToMesh: function (mesh, texture) {\n    if (texture) {\n      mesh.material.set('positionTexture', texture);\n    }\n\n    mesh.material[texture ? 'enableTexture' : 'disableTexture']('positionTexture');\n  },\n  _getSymbolInfo: function (seriesModel, start, end) {\n    if (seriesModel.get('large')) {\n      var symbolSize = retrieve.firstNotNull(seriesModel.get('symbolSize'), 1);\n      var maxSymbolSize;\n      var symbolAspect;\n\n      if (symbolSize instanceof Array) {\n        maxSymbolSize = Math.max(symbolSize[0], symbolSize[1]);\n        symbolAspect = symbolSize[0] / symbolSize[1];\n      } else {\n        maxSymbolSize = symbolSize;\n        symbolAspect = 1;\n      }\n\n      return {\n        maxSize: symbolSize,\n        type: seriesModel.get('symbol'),\n        aspect: symbolAspect\n      };\n    }\n\n    var data = seriesModel.getData();\n    var symbolAspect;\n    var differentSymbolAspect = false;\n    var symbolType = data.getItemVisual(0, 'symbol') || 'circle';\n    var differentSymbolType = false;\n    var maxSymbolSize = 0;\n\n    for (var idx = start; idx < end; idx++) {\n      var symbolSize = data.getItemVisual(idx, 'symbolSize');\n      var currentSymbolType = data.getItemVisual(idx, 'symbol');\n      var currentSymbolAspect;\n\n      if (!(symbolSize instanceof Array)) {\n        // Ignore NaN value.\n        if (isNaN(symbolSize)) {\n          continue;\n        }\n\n        currentSymbolAspect = 1;\n        maxSymbolSize = Math.max(symbolSize, maxSymbolSize);\n      } else {\n        currentSymbolAspect = symbolSize[0] / symbolSize[1];\n        maxSymbolSize = Math.max(Math.max(symbolSize[0], symbolSize[1]), maxSymbolSize);\n      }\n\n      if (process.env.NODE_ENV !== 'production') {\n        if (symbolAspect != null && Math.abs(currentSymbolAspect - symbolAspect) > 0.05) {\n          differentSymbolAspect = true;\n        }\n\n        if (currentSymbolType !== symbolType) {\n          differentSymbolType = true;\n        }\n      }\n\n      symbolType = currentSymbolType;\n      symbolAspect = currentSymbolAspect;\n    }\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (differentSymbolAspect) {\n        console.warn('Different symbol width / height ratio will be ignored.');\n      }\n\n      if (differentSymbolType) {\n        console.warn('Different symbol type will be ignored.');\n      }\n    }\n\n    return {\n      maxSize: maxSymbolSize,\n      type: symbolType,\n      aspect: symbolAspect\n    };\n  }\n};\nexport default PointsBuilder;","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport retrieve from '../../util/retrieve';\nimport format from '../../util/format';\nimport PointsBuilder from '../common/PointsBuilder';\nexport default echarts.ChartView.extend({\n  type: 'scatter3D',\n  hasSymbolVisual: true,\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this.groupGL = new graphicGL.Node();\n    this._pointsBuilderList = [];\n    this._currentStep = 0;\n  },\n  render: function (seriesModel, ecModel, api) {\n    this.groupGL.removeAll();\n\n    if (!seriesModel.getData().count()) {\n      return;\n    }\n\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys && coordSys.viewGL) {\n      coordSys.viewGL.add(this.groupGL);\n      this._camera = coordSys.viewGL.camera;\n      var pointsBuilder = this._pointsBuilderList[0];\n\n      if (!pointsBuilder) {\n        pointsBuilder = this._pointsBuilderList[0] = new PointsBuilder(false, api);\n      }\n\n      this._pointsBuilderList.length = 1;\n      this.groupGL.add(pointsBuilder.rootNode);\n      pointsBuilder.update(seriesModel, ecModel, api);\n      pointsBuilder.updateView(coordSys.viewGL.camera);\n    } else {\n      if (process.env.NODE_ENV !== 'production') {\n        throw new Error('Invalid coordinate system');\n      }\n    }\n  },\n  incrementalPrepareRender: function (seriesModel, ecModel, api) {\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys && coordSys.viewGL) {\n      coordSys.viewGL.add(this.groupGL);\n      this._camera = coordSys.viewGL.camera;\n    } else {\n      if (process.env.NODE_ENV !== 'production') {\n        throw new Error('Invalid coordinate system');\n      }\n    }\n\n    this.groupGL.removeAll();\n    this._currentStep = 0;\n  },\n  incrementalRender: function (params, seriesModel, ecModel, api) {\n    // TODO Sort transparency.\n    if (params.end <= params.start) {\n      return;\n    }\n\n    var pointsBuilder = this._pointsBuilderList[this._currentStep];\n\n    if (!pointsBuilder) {\n      pointsBuilder = new PointsBuilder(false, api);\n      this._pointsBuilderList[this._currentStep] = pointsBuilder;\n    }\n\n    this.groupGL.add(pointsBuilder.rootNode);\n    pointsBuilder.update(seriesModel, ecModel, api, params.start, params.end);\n    pointsBuilder.updateView(seriesModel.coordinateSystem.viewGL.camera);\n    this._currentStep++;\n  },\n  updateCamera: function () {\n    this._pointsBuilderList.forEach(function (pointsBuilder) {\n      pointsBuilder.updateView(this._camera);\n    }, this);\n  },\n  highlight: function (seriesModel, ecModel, api, payload) {\n    this._toggleStatus('highlight', seriesModel, ecModel, api, payload);\n  },\n  downplay: function (seriesModel, ecModel, api, payload) {\n    this._toggleStatus('downplay', seriesModel, ecModel, api, payload);\n  },\n  _toggleStatus: function (status, seriesModel, ecModel, api, payload) {\n    var data = seriesModel.getData();\n    var dataIndex = retrieve.queryDataIndex(data, payload);\n    var isHighlight = status === 'highlight';\n\n    if (dataIndex != null) {\n      echarts.util.each(format.normalizeToArray(dataIndex), function (dataIdx) {\n        for (var i = 0; i < this._pointsBuilderList.length; i++) {\n          var pointsBuilder = this._pointsBuilderList[i];\n          isHighlight ? pointsBuilder.highlight(data, dataIdx) : pointsBuilder.downplay(data, dataIdx);\n        }\n      }, this);\n    } else {\n      // PENDING, OPTIMIZE\n      data.each(function (dataIdx) {\n        for (var i = 0; i < this._pointsBuilderList.length; i++) {\n          var pointsBuilder = this._pointsBuilderList[i];\n          isHighlight ? pointsBuilder.highlight(data, dataIdx) : pointsBuilder.downplay(data, dataIdx);\n        }\n      });\n    }\n  },\n  dispose: function () {\n    this.groupGL.removeAll();\n  },\n  remove: function () {\n    this.groupGL.removeAll();\n  }\n});","import { use } from 'echarts/lib/echarts';\nimport { install } from './scatter3D/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport Scatter3DSeries from './Scatter3DSeries';\nimport Scatter3DView from './Scatter3DView';\nexport function install(registers) {\n  registers.registerChartView(Scatter3DView);\n  registers.registerSeriesModel(Scatter3DSeries);\n  registers.registerLayout({\n    seriesType: 'scatter3D',\n    reset: function (seriesModel) {\n      var coordSys = seriesModel.coordinateSystem;\n\n      if (coordSys) {\n        var coordDims = coordSys.dimensions;\n\n        if (coordDims.length < 3) {\n          if (process.env.NODE_ENV !== 'production') {\n            console.error('scatter3D needs 3D coordinateSystem');\n          }\n\n          return;\n        }\n\n        var dims = coordDims.map(function (coordDim) {\n          return seriesModel.coordDimToDataDim(coordDim)[0];\n        });\n        var item = [];\n        var out = [];\n        return {\n          progress: function (params, data) {\n            var points = new Float32Array((params.end - params.start) * 3);\n\n            for (var idx = params.start; idx < params.end; idx++) {\n              var idx3 = (idx - params.start) * 3;\n              item[0] = data.get(dims[0], idx);\n              item[1] = data.get(dims[1], idx);\n              item[2] = data.get(dims[2], idx);\n              coordSys.dataToPoint(item, out);\n              points[idx3] = out[0];\n              points[idx3 + 1] = out[1];\n              points[idx3 + 2] = out[2];\n            }\n\n            data.setLayout('points', points);\n          }\n        };\n      }\n    }\n  });\n}","import * as echarts from 'echarts/lib/echarts';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nvar vec3 = glmatrix.vec3;\nvar vec2 = glmatrix.vec2;\nvar normalize = vec3.normalize;\nvar cross = vec3.cross;\nvar sub = vec3.sub;\nvar add = vec3.add;\nvar create = vec3.create;\nvar normal = create();\nvar tangent = create();\nvar bitangent = create();\nvar halfVector = create();\nvar coord0 = [];\nvar coord1 = [];\n\nfunction getCubicPointsOnGlobe(coords, coordSys) {\n  vec2.copy(coord0, coords[0]);\n  vec2.copy(coord1, coords[1]);\n  var pts = [];\n  var p0 = pts[0] = create();\n  var p1 = pts[1] = create();\n  var p2 = pts[2] = create();\n  var p3 = pts[3] = create();\n  coordSys.dataToPoint(coord0, p0);\n  coordSys.dataToPoint(coord1, p3); // Get p1\n\n  normalize(normal, p0); // TODO p0-p3 is parallel with normal\n\n  sub(tangent, p3, p0);\n  normalize(tangent, tangent);\n  cross(bitangent, tangent, normal);\n  normalize(bitangent, bitangent);\n  cross(tangent, normal, bitangent); // p1 is half vector of p0 and tangent on p0\n\n  add(p1, normal, tangent);\n  normalize(p1, p1); // Get p2\n\n  normalize(normal, p3);\n  sub(tangent, p0, p3);\n  normalize(tangent, tangent);\n  cross(bitangent, tangent, normal);\n  normalize(bitangent, bitangent);\n  cross(tangent, normal, bitangent); // p2 is half vector of p3 and tangent on p3\n\n  add(p2, normal, tangent);\n  normalize(p2, p2); // Project distance of p0 on halfVector\n\n  add(halfVector, p0, p3);\n  normalize(halfVector, halfVector);\n  var projDist = vec3.dot(p0, halfVector); // Angle of halfVector and p1\n\n  var cosTheta = vec3.dot(halfVector, p1);\n  var len = (Math.max(vec3.len(p0), vec3.len(p3)) - projDist) / cosTheta * 2;\n  vec3.scaleAndAdd(p1, p0, p1, len);\n  vec3.scaleAndAdd(p2, p3, p2, len);\n  return pts;\n}\n\nfunction getCubicPointsOnPlane(coords, coordSys, up) {\n  var pts = [];\n  var p0 = pts[0] = vec3.create();\n  var p1 = pts[1] = vec3.create();\n  var p2 = pts[2] = vec3.create();\n  var p3 = pts[3] = vec3.create();\n  coordSys.dataToPoint(coords[0], p0);\n  coordSys.dataToPoint(coords[1], p3);\n  var len = vec3.dist(p0, p3);\n  vec3.lerp(p1, p0, p3, 0.3);\n  vec3.lerp(p2, p0, p3, 0.3);\n  vec3.scaleAndAdd(p1, p1, up, Math.min(len * 0.1, 10));\n  vec3.scaleAndAdd(p2, p2, up, Math.min(len * 0.1, 10));\n  return pts;\n}\n\nfunction getPolylinePoints(coords, coordSys) {\n  var pts = new Float32Array(coords.length * 3);\n  var off = 0;\n  var pt = [];\n\n  for (var i = 0; i < coords.length; i++) {\n    coordSys.dataToPoint(coords[i], pt);\n    pts[off++] = pt[0];\n    pts[off++] = pt[1];\n    pts[off++] = pt[2];\n  }\n\n  return pts;\n}\n\nfunction prepareCoords(data) {\n  var coordsList = [];\n  data.each(function (idx) {\n    var itemModel = data.getItemModel(idx);\n    var coords = itemModel.option instanceof Array ? itemModel.option : itemModel.getShallow('coords', true);\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (!(coords instanceof Array && coords.length > 0 && coords[0] instanceof Array)) {\n        throw new Error('Invalid coords ' + JSON.stringify(coords) + '. Lines must have 2d coords array in data item.');\n      }\n    }\n\n    coordsList.push(coords);\n  });\n  return {\n    coordsList: coordsList\n  };\n}\n\nfunction layoutGlobe(seriesModel, coordSys) {\n  var data = seriesModel.getData();\n  var isPolyline = seriesModel.get('polyline');\n  data.setLayout('lineType', isPolyline ? 'polyline' : 'cubicBezier');\n  var res = prepareCoords(data);\n  data.each(function (idx) {\n    var coords = res.coordsList[idx];\n    var getPointsMethod = isPolyline ? getPolylinePoints : getCubicPointsOnGlobe;\n    data.setItemLayout(idx, getPointsMethod(coords, coordSys));\n  });\n}\n\nfunction layoutOnPlane(seriesModel, coordSys, normal) {\n  var data = seriesModel.getData();\n  var isPolyline = seriesModel.get('polyline');\n  var res = prepareCoords(data);\n  data.setLayout('lineType', isPolyline ? 'polyline' : 'cubicBezier');\n  data.each(function (idx) {\n    var coords = res.coordsList[idx];\n    var pts = isPolyline ? getPolylinePoints(coords, coordSys) : getCubicPointsOnPlane(coords, coordSys, normal);\n    data.setItemLayout(idx, pts);\n  });\n}\n\nexport default function lines3DLayout(ecModel, api) {\n  ecModel.eachSeriesByType('lines3D', function (seriesModel) {\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys.type === 'globe') {\n      layoutGlobe(seriesModel, coordSys);\n    } else if (coordSys.type === 'geo3D') {\n      layoutOnPlane(seriesModel, coordSys, [0, 1, 0]);\n    } else if (coordSys.type === 'mapbox3D' || coordSys.type === 'maptalks3D') {\n      layoutOnPlane(seriesModel, coordSys, [0, 0, 1]);\n    }\n  });\n}\n;","import * as echarts from 'echarts/lib/echarts';\nexport default echarts.SeriesModel.extend({\n  type: 'series.lines3D',\n  dependencies: ['globe'],\n  visualStyleAccessPath: 'lineStyle',\n  visualDrawType: 'stroke',\n  getInitialData: function (option, ecModel) {\n    var lineData = new echarts.List(['value'], this);\n    lineData.hasItemOption = false;\n    lineData.initData(option.data, [], function (dataItem, dimName, dataIndex, dimIndex) {\n      // dataItem is simply coords\n      if (dataItem instanceof Array) {\n        return NaN;\n      } else {\n        lineData.hasItemOption = true;\n        var value = dataItem.value;\n\n        if (value != null) {\n          return value instanceof Array ? value[dimIndex] : value;\n        }\n      }\n    });\n    return lineData;\n  },\n  defaultOption: {\n    coordinateSystem: 'globe',\n    globeIndex: 0,\n    geo3DIndex: 0,\n    zlevel: -10,\n    polyline: false,\n    effect: {\n      show: false,\n      period: 4,\n      // Trail width\n      trailWidth: 4,\n      trailLength: 0.2,\n      spotIntensity: 6\n    },\n    silent: true,\n    // Support source-over, lighter\n    blendMode: 'source-over',\n    lineStyle: {\n      width: 1,\n      opacity: 0.5 // color\n\n    }\n  }\n});","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nimport Lines3DGeometry from '../../util/geometry/Lines3D';\nimport trail2GLSL from './shader/trail2.glsl.js';\nimport { getItemVisualColor, getItemVisualOpacity } from '../../util/visual';\nvar vec3 = glmatrix.vec3;\n\nfunction sign(a) {\n  return a > 0 ? 1 : -1;\n}\n\ngraphicGL.Shader.import(trail2GLSL);\nexport default graphicGL.Mesh.extend(function () {\n  var material = new graphicGL.Material({\n    shader: new graphicGL.Shader(graphicGL.Shader.source('ecgl.trail2.vertex'), graphicGL.Shader.source('ecgl.trail2.fragment')),\n    transparent: true,\n    depthMask: false\n  });\n  var geometry = new Lines3DGeometry({\n    dynamic: true\n  });\n  geometry.createAttribute('dist', 'float', 1);\n  geometry.createAttribute('distAll', 'float', 1);\n  geometry.createAttribute('start', 'float', 1);\n  return {\n    geometry: geometry,\n    material: material,\n    culling: false,\n    $ignorePicking: true\n  };\n}, {\n  updateData: function (data, api, lines3DGeometry) {\n    var seriesModel = data.hostModel;\n    var geometry = this.geometry;\n    var effectModel = seriesModel.getModel('effect');\n    var size = effectModel.get('trailWidth') * api.getDevicePixelRatio();\n    var trailLength = effectModel.get('trailLength');\n    var speed = seriesModel.get('effect.constantSpeed');\n    var period = seriesModel.get('effect.period') * 1000;\n    var useConstantSpeed = speed != null;\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (!this.getScene()) {\n        console.error('TrailMesh must been add to scene before updateData');\n      }\n    }\n\n    useConstantSpeed ? this.material.set('speed', speed / 1000) : this.material.set('period', period);\n    this.material[useConstantSpeed ? 'define' : 'undefine']('vertex', 'CONSTANT_SPEED');\n    var isPolyline = seriesModel.get('polyline');\n    geometry.trailLength = trailLength;\n    this.material.set('trailLength', trailLength);\n    geometry.resetOffset();\n    ['position', 'positionPrev', 'positionNext'].forEach(function (attrName) {\n      geometry.attributes[attrName].value = lines3DGeometry.attributes[attrName].value;\n    });\n    var extraAttrs = ['dist', 'distAll', 'start', 'offset', 'color'];\n    extraAttrs.forEach(function (attrName) {\n      geometry.attributes[attrName].init(geometry.vertexCount);\n    });\n    geometry.indices = lines3DGeometry.indices;\n    var colorArr = [];\n    var effectColor = effectModel.get('trailColor');\n    var effectOpacity = effectModel.get('trailOpacity');\n    var hasEffectColor = effectColor != null;\n    var hasEffectOpacity = effectOpacity != null;\n    this.updateWorldTransform();\n    var xScale = this.worldTransform.x.len();\n    var yScale = this.worldTransform.y.len();\n    var zScale = this.worldTransform.z.len();\n    var vertexOffset = 0;\n    var maxDistance = 0;\n    data.each(function (idx) {\n      var pts = data.getItemLayout(idx);\n      var opacity = hasEffectOpacity ? effectOpacity : getItemVisualOpacity(data, idx);\n      var color = getItemVisualColor(data, idx);\n\n      if (opacity == null) {\n        opacity = 1;\n      }\n\n      colorArr = graphicGL.parseColor(hasEffectColor ? effectColor : color, colorArr);\n      colorArr[3] *= opacity;\n      var vertexCount = isPolyline ? lines3DGeometry.getPolylineVertexCount(pts) : lines3DGeometry.getCubicCurveVertexCount(pts[0], pts[1], pts[2], pts[3]);\n      var dist = 0;\n      var pos = [];\n      var posPrev = [];\n\n      for (var i = vertexOffset; i < vertexOffset + vertexCount; i++) {\n        geometry.attributes.position.get(i, pos);\n        pos[0] *= xScale;\n        pos[1] *= yScale;\n        pos[2] *= zScale;\n\n        if (i > vertexOffset) {\n          dist += vec3.dist(pos, posPrev);\n        }\n\n        geometry.attributes.dist.set(i, dist);\n        vec3.copy(posPrev, pos);\n      }\n\n      maxDistance = Math.max(maxDistance, dist);\n      var randomStart = Math.random() * (useConstantSpeed ? dist : period);\n\n      for (var i = vertexOffset; i < vertexOffset + vertexCount; i++) {\n        geometry.attributes.distAll.set(i, dist);\n        geometry.attributes.start.set(i, randomStart);\n        geometry.attributes.offset.set(i, sign(lines3DGeometry.attributes.offset.get(i)) * size / 2);\n        geometry.attributes.color.set(i, colorArr);\n      }\n\n      vertexOffset += vertexCount;\n    });\n    this.material.set('spotSize', maxDistance * 0.1 * trailLength);\n    this.material.set('spotIntensity', effectModel.get('spotIntensity'));\n    geometry.dirty();\n  },\n  setAnimationTime: function (time) {\n    this.material.set('time', time);\n  }\n});","export default \"@export ecgl.trail2.vertex\\nattribute vec3 position: POSITION;\\nattribute vec3 positionPrev;\\nattribute vec3 positionNext;\\nattribute float offset;\\nattribute float dist;\\nattribute float distAll;\\nattribute float start;\\n\\nattribute vec4 a_Color : COLOR;\\n\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\nuniform vec4 viewport : VIEWPORT;\\nuniform float near : NEAR;\\n\\nuniform float speed : 0;\\nuniform float trailLength: 0.3;\\nuniform float time;\\nuniform float period: 1000;\\n\\nuniform float spotSize: 1;\\n\\nvarying vec4 v_Color;\\nvarying float v_Percent;\\nvarying float v_SpotPercent;\\n\\n@import ecgl.common.wireframe.vertexHeader\\n\\n@import ecgl.lines3D.clipNear\\n\\nvoid main()\\n{\\n @import ecgl.lines3D.expandLine\\n\\n gl_Position = currProj;\\n\\n v_Color = a_Color;\\n\\n @import ecgl.common.wireframe.vertexMain\\n\\n#ifdef CONSTANT_SPEED\\n float t = mod((speed * time + start) / distAll, 1. + trailLength) - trailLength;\\n#else\\n float t = mod((time + start) / period, 1. + trailLength) - trailLength;\\n#endif\\n\\n float trailLen = distAll * trailLength;\\n\\n v_Percent = (dist - t * distAll) / trailLen;\\n\\n v_SpotPercent = spotSize / distAll;\\n\\n }\\n@end\\n\\n\\n@export ecgl.trail2.fragment\\n\\nuniform vec4 color : [1.0, 1.0, 1.0, 1.0];\\nuniform float spotIntensity: 5;\\n\\nvarying vec4 v_Color;\\nvarying float v_Percent;\\nvarying float v_SpotPercent;\\n\\n@import ecgl.common.wireframe.fragmentHeader\\n\\n@import clay.util.srgb\\n\\nvoid main()\\n{\\n if (v_Percent > 1.0 || v_Percent < 0.0) {\\n discard;\\n }\\n\\n float fade = v_Percent;\\n\\n#ifdef SRGB_DECODE\\n gl_FragColor = sRGBToLinear(color * v_Color);\\n#else\\n gl_FragColor = color * v_Color;\\n#endif\\n\\n @import ecgl.common.wireframe.fragmentMain\\n\\n if (v_Percent > (1.0 - v_SpotPercent)) {\\n gl_FragColor.rgb *= spotIntensity;\\n }\\n\\n gl_FragColor.a *= fade;\\n}\\n\\n@end\";","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport LinesGeometry from '../../util/geometry/Lines3D'; // import TrailMesh from './TrailMesh';\n\nimport TrailMesh2 from './TrailMesh2';\nimport { getItemVisualColor, getItemVisualOpacity } from '../../util/visual';\nimport lines3DGLSL from '../../util/shader/lines3D.glsl.js';\ngraphicGL.Shader.import(lines3DGLSL);\n\nfunction getCoordSysSize(coordSys) {\n  if (coordSys.radius != null) {\n    return coordSys.radius;\n  }\n\n  if (coordSys.size != null) {\n    return Math.max(coordSys.size[0], coordSys.size[1], coordSys.size[2]);\n  } else {\n    return 100;\n  }\n}\n\nexport default echarts.ChartView.extend({\n  type: 'lines3D',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this.groupGL = new graphicGL.Node();\n    this._meshLinesMaterial = new graphicGL.Material({\n      shader: graphicGL.createShader('ecgl.meshLines3D'),\n      transparent: true,\n      depthMask: false\n    });\n    this._linesMesh = new graphicGL.Mesh({\n      geometry: new LinesGeometry(),\n      material: this._meshLinesMaterial,\n      $ignorePicking: true\n    }); // this._trailMesh = new TrailMesh();\n\n    this._trailMesh = new TrailMesh2();\n  },\n  render: function (seriesModel, ecModel, api) {\n    this.groupGL.add(this._linesMesh);\n    var coordSys = seriesModel.coordinateSystem;\n    var data = seriesModel.getData();\n\n    if (coordSys && coordSys.viewGL) {\n      var viewGL = coordSys.viewGL;\n      viewGL.add(this.groupGL);\n\n      this._updateLines(seriesModel, ecModel, api);\n\n      var methodName = coordSys.viewGL.isLinearSpace() ? 'define' : 'undefine';\n\n      this._linesMesh.material[methodName]('fragment', 'SRGB_DECODE');\n\n      this._trailMesh.material[methodName]('fragment', 'SRGB_DECODE');\n    }\n\n    var trailMesh = this._trailMesh;\n    trailMesh.stopAnimation();\n\n    if (seriesModel.get('effect.show')) {\n      this.groupGL.add(trailMesh);\n      trailMesh.updateData(data, api, this._linesMesh.geometry);\n      trailMesh.__time = trailMesh.__time || 0;\n      var time = 3600 * 1000; // 1hour\n\n      this._curveEffectsAnimator = trailMesh.animate('', {\n        loop: true\n      }).when(time, {\n        __time: time\n      }).during(function () {\n        trailMesh.setAnimationTime(trailMesh.__time);\n      }).start();\n    } else {\n      this.groupGL.remove(trailMesh);\n      this._curveEffectsAnimator = null;\n    }\n\n    this._linesMesh.material.blend = this._trailMesh.material.blend = seriesModel.get('blendMode') === 'lighter' ? graphicGL.additiveBlend : null;\n  },\n  pauseEffect: function () {\n    if (this._curveEffectsAnimator) {\n      this._curveEffectsAnimator.pause();\n    }\n  },\n  resumeEffect: function () {\n    if (this._curveEffectsAnimator) {\n      this._curveEffectsAnimator.resume();\n    }\n  },\n  toggleEffect: function () {\n    var animator = this._curveEffectsAnimator;\n\n    if (animator) {\n      animator.isPaused() ? animator.resume() : animator.pause();\n    }\n  },\n  _updateLines: function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n    var coordSys = seriesModel.coordinateSystem;\n    var geometry = this._linesMesh.geometry;\n    var isPolyline = seriesModel.get('polyline');\n    geometry.expandLine = true;\n    var size = getCoordSysSize(coordSys);\n    geometry.segmentScale = size / 20;\n    var lineWidthQueryPath = 'lineStyle.width'.split('.');\n    var dpr = api.getDevicePixelRatio();\n    var maxLineWidth = 0;\n    data.each(function (idx) {\n      var itemModel = data.getItemModel(idx);\n      var lineWidth = itemModel.get(lineWidthQueryPath);\n\n      if (lineWidth == null) {\n        lineWidth = 1;\n      }\n\n      data.setItemVisual(idx, 'lineWidth', lineWidth);\n      maxLineWidth = Math.max(lineWidth, maxLineWidth);\n    }); // Must set useNativeLine before calling any other methods\n\n    geometry.useNativeLine = false;\n    var nVertex = 0;\n    var nTriangle = 0;\n    data.each(function (idx) {\n      var pts = data.getItemLayout(idx);\n\n      if (isPolyline) {\n        nVertex += geometry.getPolylineVertexCount(pts);\n        nTriangle += geometry.getPolylineTriangleCount(pts);\n      } else {\n        nVertex += geometry.getCubicCurveVertexCount(pts[0], pts[1], pts[2], pts[3]);\n        nTriangle += geometry.getCubicCurveTriangleCount(pts[0], pts[1], pts[2], pts[3]);\n      }\n    });\n    geometry.setVertexCount(nVertex);\n    geometry.setTriangleCount(nTriangle);\n    geometry.resetOffset();\n    var colorArr = [];\n    data.each(function (idx) {\n      var pts = data.getItemLayout(idx);\n      var color = getItemVisualColor(data, idx);\n      var opacity = getItemVisualOpacity(data, idx);\n      var lineWidth = data.getItemVisual(idx, 'lineWidth') * dpr;\n\n      if (opacity == null) {\n        opacity = 1;\n      }\n\n      colorArr = graphicGL.parseColor(color, colorArr);\n      colorArr[3] *= opacity;\n\n      if (isPolyline) {\n        geometry.addPolyline(pts, colorArr, lineWidth);\n      } else {\n        geometry.addCubicCurve(pts[0], pts[1], pts[2], pts[3], colorArr, lineWidth);\n      }\n    });\n    geometry.dirty();\n  },\n  remove: function () {\n    this.groupGL.removeAll();\n  },\n  dispose: function () {\n    this.groupGL.removeAll();\n  }\n});","import * as echarts from 'echarts/lib/echarts';\nimport componentShadingMixin from '../../component/common/componentShadingMixin';\n\nfunction transformPolygon(coordSys, poly) {\n  var ret = [];\n\n  for (var i = 0; i < poly.length; i++) {\n    ret.push(coordSys.dataToPoint(poly[i]));\n  }\n\n  return ret;\n}\n\nvar Polygons3DSeries = echarts.SeriesModel.extend({\n  type: 'series.polygons3D',\n  getRegionModel: function (idx) {\n    return this.getData().getItemModel(idx);\n  },\n  getRegionPolygonCoords: function (idx) {\n    var coordSys = this.coordinateSystem;\n    var itemModel = this.getData().getItemModel(idx);\n    var coords = itemModel.option instanceof Array ? itemModel.option : itemModel.getShallow('coords');\n\n    if (!itemModel.get('multiPolygon')) {\n      coords = [coords];\n    } // TODO Validate\n\n\n    var out = [];\n\n    for (var i = 0; i < coords.length; i++) {\n      // TODO Convert here ?\n      var interiors = [];\n\n      for (var k = 1; k < coords[i].length; k++) {\n        interiors.push(transformPolygon(coordSys, coords[i][k]));\n      }\n\n      out.push({\n        exterior: transformPolygon(coordSys, coords[i][0]),\n        interiors: interiors\n      });\n    }\n\n    return out;\n  },\n  getInitialData: function (option) {\n    var polygonsData = new echarts.List(['value'], this);\n    polygonsData.hasItemOption = false;\n    polygonsData.initData(option.data, [], function (dataItem, dimName, dataIndex, dimIndex) {\n      // dataItem is simply coords\n      if (dataItem instanceof Array) {\n        return NaN;\n      } else {\n        polygonsData.hasItemOption = true;\n        var value = dataItem.value;\n\n        if (value != null) {\n          return value instanceof Array ? value[dimIndex] : value;\n        }\n      }\n    });\n    return polygonsData;\n  },\n  defaultOption: {\n    show: true,\n    data: null,\n    multiPolygon: false,\n    progressiveThreshold: 1e3,\n    progressive: 1e3,\n    zlevel: -10,\n    label: {\n      show: false,\n      // Distance in 3d space.\n      distance: 2,\n      textStyle: {\n        fontSize: 20,\n        color: '#000',\n        backgroundColor: 'rgba(255,255,255,0.7)',\n        padding: 3,\n        borderRadius: 4\n      }\n    },\n    itemStyle: {\n      color: '#fff',\n      borderWidth: 0,\n      borderColor: '#333'\n    },\n    emphasis: {\n      itemStyle: {\n        color: '#639fc0'\n      },\n      label: {\n        show: true\n      }\n    }\n  }\n});\necharts.util.merge(Polygons3DSeries.prototype, componentShadingMixin);\nexport default Polygons3DSeries;","import { use } from 'echarts/lib/echarts';\nimport { install } from './lines3D/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport lines3DLayout from './lines3DLayout';\nimport Lines3DSeries from './Lines3DSeries';\nimport Lines3DView from './Lines3DView';\nexport function install(registers) {\n  registers.registerChartView(Lines3DView);\n  registers.registerSeriesModel(Lines3DSeries);\n  registers.registerLayout(lines3DLayout);\n  registers.registerAction({\n    type: 'lines3DPauseEffect',\n    event: 'lines3deffectpaused',\n    update: 'series.lines3D:pauseEffect'\n  }, function () {});\n  registers.registerAction({\n    type: 'lines3DResumeEffect',\n    event: 'lines3deffectresumed',\n    update: 'series.lines3D:resumeEffect'\n  }, function () {});\n  registers.registerAction({\n    type: 'lines3DToggleEffect',\n    event: 'lines3deffectchanged',\n    update: 'series.lines3D:toggleEffect'\n  }, function () {});\n}","import * as echarts from 'echarts/lib/echarts';\nimport Geo3DBuilder from '../../component/common/Geo3DBuilder';\nimport graphicGL from '../../util/graphicGL';\nexport default echarts.ChartView.extend({\n  type: 'polygons3D',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this.groupGL = new graphicGL.Node();\n    this._geo3DBuilderList = [];\n    this._currentStep = 0;\n  },\n  render: function (seriesModel, ecModel, api) {\n    this.groupGL.removeAll();\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys && coordSys.viewGL) {\n      coordSys.viewGL.add(this.groupGL);\n    }\n\n    var geo3DBuilder = this._geo3DBuilderList[0];\n\n    if (!geo3DBuilder) {\n      geo3DBuilder = new Geo3DBuilder(api);\n      geo3DBuilder.extrudeY = coordSys.type !== 'mapbox3D' && coordSys.type !== 'maptalks3D';\n      this._geo3DBuilderList[0] = geo3DBuilder;\n    }\n\n    this._updateShaderDefines(coordSys, geo3DBuilder);\n\n    geo3DBuilder.update(seriesModel, ecModel, api);\n    this._geo3DBuilderList.length = 1;\n    this.groupGL.add(geo3DBuilder.rootNode);\n  },\n  incrementalPrepareRender: function (seriesModel, ecModel, api) {\n    this.groupGL.removeAll();\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys && coordSys.viewGL) {\n      coordSys.viewGL.add(this.groupGL);\n    }\n\n    this._currentStep = 0;\n  },\n  incrementalRender: function (params, seriesModel, ecModel, api) {\n    var geo3DBuilder = this._geo3DBuilderList[this._currentStep];\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (!geo3DBuilder) {\n      geo3DBuilder = new Geo3DBuilder(api);\n      geo3DBuilder.extrudeY = coordSys.type !== 'mapbox3D' && coordSys.type !== 'maptalks3D';\n      this._geo3DBuilderList[this._currentStep] = geo3DBuilder;\n    }\n\n    geo3DBuilder.update(seriesModel, ecModel, api, params.start, params.end);\n    this.groupGL.add(geo3DBuilder.rootNode);\n\n    this._updateShaderDefines(coordSys, geo3DBuilder);\n\n    this._currentStep++;\n  },\n  _updateShaderDefines: function (coordSys, geo3DBuilder) {\n    var methodName = coordSys.viewGL.isLinearSpace() ? 'define' : 'undefine';\n    geo3DBuilder.rootNode.traverse(function (mesh) {\n      if (mesh.material) {\n        mesh.material[methodName]('fragment', 'SRGB_DECODE'); // FIXME\n\n        if (coordSys.type === 'mapbox3D' || coordSys.type === 'maptalks3D') {\n          mesh.material.define('fragment', 'NORMAL_UP_AXIS', 2);\n          mesh.material.define('fragment', 'NORMAL_FRONT_AXIS', 1);\n        }\n      }\n    });\n  },\n  remove: function () {\n    this.groupGL.removeAll();\n  },\n  dispose: function () {\n    this.groupGL.removeAll();\n  }\n});","import { use } from 'echarts/lib/echarts';\nimport { install } from './polygons3D/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport Polygons3DSeries from './Polygons3DSeries';\nimport Polygons3DView from './Polygons3DView';\nexport function install(registers) {\n  registers.registerChartView(Polygons3DView);\n  registers.registerSeriesModel(Polygons3DSeries);\n}","import * as echarts from 'echarts/lib/echarts';\nimport componentShadingMixin from '../../component/common/componentShadingMixin';\nimport formatTooltip from '../common/formatTooltip';\nimport createList from '../common/createList';\nvar SurfaceSeries = echarts.SeriesModel.extend({\n  type: 'series.surface',\n  dependencies: ['globe', 'grid3D', 'geo3D'],\n  visualStyleAccessPath: 'itemStyle',\n  formatTooltip: function (dataIndex) {\n    return formatTooltip(this, dataIndex);\n  },\n  getInitialData: function (option, ecModel) {\n    var data = option.data;\n\n    function validateDimension(dimOpts) {\n      return !(isNaN(dimOpts.min) || isNaN(dimOpts.max) || isNaN(dimOpts.step));\n    }\n\n    function getPrecision(dimOpts) {\n      var getPrecision = echarts.number.getPrecisionSafe;\n      return Math.max(getPrecision(dimOpts.min), getPrecision(dimOpts.max), getPrecision(dimOpts.step)) + 1;\n    }\n\n    if (!data) {\n      if (!option.parametric) {\n        // From surface equation\n        var equation = option.equation || {};\n        var xOpts = equation.x || {};\n        var yOpts = equation.y || {};\n        ['x', 'y'].forEach(function (dim) {\n          if (!validateDimension(equation[dim])) {\n            if (process.env.NODE_ENV !== 'production') {\n              console.error('Invalid equation.%s', dim);\n            }\n\n            return;\n          }\n        });\n\n        if (typeof equation.z !== 'function') {\n          if (process.env.NODE_ENV !== 'production') {\n            console.error('equation.z needs to be function');\n          }\n\n          return;\n        }\n\n        var xCount = Math.floor((xOpts.max + xOpts.step - xOpts.min) / xOpts.step);\n        var yCount = Math.floor((yOpts.max + yOpts.step - yOpts.min) / yOpts.step);\n        data = new Float32Array(xCount * yCount * 3);\n        var xPrecision = getPrecision(xOpts);\n        var yPrecision = getPrecision(yOpts);\n        var off = 0;\n\n        for (var j = 0; j < yCount; j++) {\n          for (var i = 0; i < xCount; i++) {\n            var x = i * xOpts.step + xOpts.min;\n            var y = j * yOpts.step + yOpts.min;\n            var x2 = echarts.number.round(Math.min(x, xOpts.max), xPrecision);\n            var y2 = echarts.number.round(Math.min(y, yOpts.max), yPrecision);\n            var z = equation.z(x2, y2);\n            data[off++] = x2;\n            data[off++] = y2;\n            data[off++] = z;\n          }\n        }\n      } else {\n        var parametricEquation = option.parametricEquation || {};\n        var uOpts = parametricEquation.u || {};\n        var vOpts = parametricEquation.v || {};\n        ['u', 'v'].forEach(function (dim) {\n          if (!validateDimension(parametricEquation[dim])) {\n            if (process.env.NODE_ENV !== 'production') {\n              console.error('Invalid parametricEquation.%s', dim);\n            }\n\n            return;\n          }\n        });\n        ['x', 'y', 'z'].forEach(function (dim) {\n          if (typeof parametricEquation[dim] !== 'function') {\n            if (process.env.NODE_ENV !== 'production') {\n              console.error('parametricEquation.%s needs to be function', dim);\n            }\n\n            return;\n          }\n        });\n        var uCount = Math.floor((uOpts.max + uOpts.step - uOpts.min) / uOpts.step);\n        var vCount = Math.floor((vOpts.max + vOpts.step - vOpts.min) / vOpts.step);\n        data = new Float32Array(uCount * vCount * 5);\n        var uPrecision = getPrecision(uOpts);\n        var vPrecision = getPrecision(vOpts);\n        var off = 0;\n\n        for (var j = 0; j < vCount; j++) {\n          for (var i = 0; i < uCount; i++) {\n            var u = i * uOpts.step + uOpts.min;\n            var v = j * vOpts.step + vOpts.min;\n            var u2 = echarts.number.round(Math.min(u, uOpts.max), uPrecision);\n            var v2 = echarts.number.round(Math.min(v, vOpts.max), vPrecision);\n            var x = parametricEquation.x(u2, v2);\n            var y = parametricEquation.y(u2, v2);\n            var z = parametricEquation.z(u2, v2);\n            data[off++] = x;\n            data[off++] = y;\n            data[off++] = z;\n            data[off++] = u2;\n            data[off++] = v2;\n          }\n        }\n      }\n    }\n\n    var dims = ['x', 'y', 'z'];\n\n    if (option.parametric) {\n      dims.push('u', 'v');\n    } // PENDING getSource?\n\n\n    var list = createList(this, dims, data);\n    return list;\n  },\n  defaultOption: {\n    coordinateSystem: 'cartesian3D',\n    zlevel: -10,\n    // Cartesian coordinate system\n    grid3DIndex: 0,\n    // Surface needs lambert shading to show the difference\n    shading: 'lambert',\n    // If parametric surface\n    parametric: false,\n    wireframe: {\n      show: true,\n      lineStyle: {\n        color: 'rgba(0,0,0,0.5)',\n        width: 1\n      }\n    },\n\n    /**\n     * Generate surface data from z = f(x, y) equation\n     */\n    equation: {\n      // [min, max, step]\n      x: {\n        min: -1,\n        max: 1,\n        step: 0.1\n      },\n      y: {\n        min: -1,\n        max: 1,\n        step: 0.1\n      },\n      z: null\n    },\n    parametricEquation: {\n      // [min, max, step]\n      u: {\n        min: -1,\n        max: 1,\n        step: 0.1\n      },\n      v: {\n        min: -1,\n        max: 1,\n        step: 0.1\n      },\n      // [x, y, z] = f(x, y)\n      x: null,\n      y: null,\n      z: null\n    },\n    // Shape of give data\n    // It is an array to specify rows and columns.\n    // For example [30, 30]\n    dataShape: null,\n    itemStyle: {// Color\n    },\n    animationDurationUpdate: 500\n  }\n});\necharts.util.merge(SurfaceSeries.prototype, componentShadingMixin);\nexport default SurfaceSeries;","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nimport trianglesSortMixin from '../../util/geometry/trianglesSortMixin';\nimport { getItemVisualColor, getItemVisualOpacity } from '../../util/visual';\nvar vec3 = glmatrix.vec3;\n\nfunction isPointsNaN(pt) {\n  return isNaN(pt[0]) || isNaN(pt[1]) || isNaN(pt[2]);\n}\n\nexport default echarts.ChartView.extend({\n  type: 'surface',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this.groupGL = new graphicGL.Node();\n  },\n  render: function (seriesModel, ecModel, api) {\n    // Swap surfaceMesh\n    var tmp = this._prevSurfaceMesh;\n    this._prevSurfaceMesh = this._surfaceMesh;\n    this._surfaceMesh = tmp;\n\n    if (!this._surfaceMesh) {\n      this._surfaceMesh = this._createSurfaceMesh();\n    }\n\n    this.groupGL.remove(this._prevSurfaceMesh);\n    this.groupGL.add(this._surfaceMesh);\n    var coordSys = seriesModel.coordinateSystem;\n    var shading = seriesModel.get('shading');\n    var data = seriesModel.getData();\n    var shadingPrefix = 'ecgl.' + shading;\n\n    if (!this._surfaceMesh.material || this._surfaceMesh.material.shader.name !== shadingPrefix) {\n      this._surfaceMesh.material = graphicGL.createMaterial(shadingPrefix, ['VERTEX_COLOR', 'DOUBLE_SIDED']);\n    }\n\n    graphicGL.setMaterialFromModel(shading, this._surfaceMesh.material, seriesModel, api);\n\n    if (coordSys && coordSys.viewGL) {\n      coordSys.viewGL.add(this.groupGL);\n      var methodName = coordSys.viewGL.isLinearSpace() ? 'define' : 'undefine';\n\n      this._surfaceMesh.material[methodName]('fragment', 'SRGB_DECODE');\n    }\n\n    var isParametric = seriesModel.get('parametric');\n    var dataShape = seriesModel.get('dataShape');\n\n    if (!dataShape) {\n      dataShape = this._getDataShape(data, isParametric);\n\n      if (process.env.NODE_ENV !== 'production') {\n        if (seriesModel.get('data')) {\n          console.warn('dataShape is not provided. Guess it is ', dataShape);\n        }\n      }\n    }\n\n    var wireframeModel = seriesModel.getModel('wireframe');\n    var wireframeLineWidth = wireframeModel.get('lineStyle.width');\n    var showWireframe = wireframeModel.get('show') && wireframeLineWidth > 0;\n\n    this._updateSurfaceMesh(this._surfaceMesh, seriesModel, dataShape, showWireframe);\n\n    var material = this._surfaceMesh.material;\n\n    if (showWireframe) {\n      material.define('WIREFRAME_QUAD');\n      material.set('wireframeLineWidth', wireframeLineWidth);\n      material.set('wireframeLineColor', graphicGL.parseColor(wireframeModel.get('lineStyle.color')));\n    } else {\n      material.undefine('WIREFRAME_QUAD');\n    }\n\n    this._initHandler(seriesModel, api);\n\n    this._updateAnimation(seriesModel);\n  },\n  _updateAnimation: function (seriesModel) {\n    graphicGL.updateVertexAnimation([['prevPosition', 'position'], ['prevNormal', 'normal']], this._prevSurfaceMesh, this._surfaceMesh, seriesModel);\n  },\n  _createSurfaceMesh: function () {\n    var mesh = new graphicGL.Mesh({\n      geometry: new graphicGL.Geometry({\n        dynamic: true,\n        sortTriangles: true\n      }),\n      shadowDepthMaterial: new graphicGL.Material({\n        shader: new graphicGL.Shader(graphicGL.Shader.source('ecgl.sm.depth.vertex'), graphicGL.Shader.source('ecgl.sm.depth.fragment'))\n      }),\n      culling: false,\n      // Render after axes\n      renderOrder: 10,\n      // Render normal in normal pass\n      renderNormal: true\n    });\n    mesh.geometry.createAttribute('barycentric', 'float', 4);\n    mesh.geometry.createAttribute('prevPosition', 'float', 3);\n    mesh.geometry.createAttribute('prevNormal', 'float', 3);\n    Object.assign(mesh.geometry, trianglesSortMixin);\n    return mesh;\n  },\n  _initHandler: function (seriesModel, api) {\n    var data = seriesModel.getData();\n    var surfaceMesh = this._surfaceMesh;\n    var coordSys = seriesModel.coordinateSystem;\n\n    function getNearestPointIdx(triangle, point) {\n      var nearestDist = Infinity;\n      var nearestIdx = -1;\n      var pos = [];\n\n      for (var i = 0; i < triangle.length; i++) {\n        surfaceMesh.geometry.attributes.position.get(triangle[i], pos);\n        var dist = vec3.dist(point.array, pos);\n\n        if (dist < nearestDist) {\n          nearestDist = dist;\n          nearestIdx = triangle[i];\n        }\n      }\n\n      return nearestIdx;\n    }\n\n    surfaceMesh.seriesIndex = seriesModel.seriesIndex;\n    var lastDataIndex = -1;\n    surfaceMesh.off('mousemove');\n    surfaceMesh.off('mouseout');\n    surfaceMesh.on('mousemove', function (e) {\n      var idx = getNearestPointIdx(e.triangle, e.point);\n\n      if (idx >= 0) {\n        var point = [];\n        surfaceMesh.geometry.attributes.position.get(idx, point);\n        var value = coordSys.pointToData(point);\n        var minDist = Infinity;\n        var dataIndex = -1;\n        var item = [];\n\n        for (var i = 0; i < data.count(); i++) {\n          item[0] = data.get('x', i);\n          item[1] = data.get('y', i);\n          item[2] = data.get('z', i);\n          var dist = vec3.squaredDistance(item, value);\n\n          if (dist < minDist) {\n            dataIndex = i;\n            minDist = dist;\n          }\n        }\n\n        if (dataIndex !== lastDataIndex) {\n          api.dispatchAction({\n            type: 'grid3DShowAxisPointer',\n            value: value\n          });\n        }\n\n        lastDataIndex = dataIndex;\n        surfaceMesh.dataIndex = dataIndex;\n      } else {\n        surfaceMesh.dataIndex = -1;\n      }\n    }, this);\n    surfaceMesh.on('mouseout', function (e) {\n      lastDataIndex = -1;\n      surfaceMesh.dataIndex = -1;\n      api.dispatchAction({\n        type: 'grid3DHideAxisPointer'\n      });\n    }, this);\n  },\n  _updateSurfaceMesh: function (surfaceMesh, seriesModel, dataShape, showWireframe) {\n    var geometry = surfaceMesh.geometry;\n    var data = seriesModel.getData();\n    var pointsArr = data.getLayout('points');\n    var invalidDataCount = 0;\n    data.each(function (idx) {\n      if (!data.hasValue(idx)) {\n        invalidDataCount++;\n      }\n    });\n    var needsSplitQuad = invalidDataCount || showWireframe;\n    var positionAttr = geometry.attributes.position;\n    var normalAttr = geometry.attributes.normal;\n    var texcoordAttr = geometry.attributes.texcoord0;\n    var barycentricAttr = geometry.attributes.barycentric;\n    var colorAttr = geometry.attributes.color;\n    var row = dataShape[0];\n    var column = dataShape[1];\n    var shading = seriesModel.get('shading');\n    var needsNormal = shading !== 'color';\n\n    if (needsSplitQuad) {\n      // TODO, If needs remove the invalid points, or set color transparent.\n      var vertexCount = (row - 1) * (column - 1) * 4;\n      positionAttr.init(vertexCount);\n\n      if (showWireframe) {\n        barycentricAttr.init(vertexCount);\n      }\n    } else {\n      positionAttr.value = new Float32Array(pointsArr);\n    }\n\n    colorAttr.init(geometry.vertexCount);\n    texcoordAttr.init(geometry.vertexCount);\n    var quadToTriangle = [0, 3, 1, 1, 3, 2]; // 3----2\n    // 0----1\n    // Make sure pixels on 1---3 edge will not have channel 0.\n    // And pixels on four edges have at least one channel 0.\n\n    var quadBarycentric = [[1, 1, 0, 0], [0, 1, 0, 1], [1, 0, 0, 1], [1, 0, 1, 0]];\n    var indices = geometry.indices = new (geometry.vertexCount > 0xffff ? Uint32Array : Uint16Array)((row - 1) * (column - 1) * 6);\n\n    var getQuadIndices = function (i, j, out) {\n      out[1] = i * column + j;\n      out[0] = i * column + j + 1;\n      out[3] = (i + 1) * column + j + 1;\n      out[2] = (i + 1) * column + j;\n    };\n\n    var isTransparent = false;\n\n    if (needsSplitQuad) {\n      var quadIndices = [];\n      var pos = [];\n      var faceOffset = 0;\n\n      if (needsNormal) {\n        normalAttr.init(geometry.vertexCount);\n      } else {\n        normalAttr.value = null;\n      }\n\n      var pts = [[], [], []];\n      var v21 = [],\n          v32 = [];\n      var normal = vec3.create();\n\n      var getFromArray = function (arr, idx, out) {\n        var idx3 = idx * 3;\n        out[0] = arr[idx3];\n        out[1] = arr[idx3 + 1];\n        out[2] = arr[idx3 + 2];\n        return out;\n      };\n\n      var vertexNormals = new Float32Array(pointsArr.length);\n      var vertexColors = new Float32Array(pointsArr.length / 3 * 4);\n\n      for (var i = 0; i < data.count(); i++) {\n        if (data.hasValue(i)) {\n          var rgbaArr = graphicGL.parseColor(getItemVisualColor(data, i));\n          var opacity = getItemVisualOpacity(data, i);\n          opacity != null && (rgbaArr[3] *= opacity);\n\n          if (rgbaArr[3] < 0.99) {\n            isTransparent = true;\n          }\n\n          for (var k = 0; k < 4; k++) {\n            vertexColors[i * 4 + k] = rgbaArr[k];\n          }\n        }\n      }\n\n      var farPoints = [1e7, 1e7, 1e7];\n\n      for (var i = 0; i < row - 1; i++) {\n        for (var j = 0; j < column - 1; j++) {\n          var dataIndex = i * (column - 1) + j;\n          var vertexOffset = dataIndex * 4;\n          getQuadIndices(i, j, quadIndices);\n          var invisibleQuad = false;\n\n          for (var k = 0; k < 4; k++) {\n            getFromArray(pointsArr, quadIndices[k], pos);\n\n            if (isPointsNaN(pos)) {\n              // Quad is invisible if any point is NaN\n              invisibleQuad = true;\n            }\n          }\n\n          for (var k = 0; k < 4; k++) {\n            if (invisibleQuad) {\n              // Move point far away\n              positionAttr.set(vertexOffset + k, farPoints);\n            } else {\n              getFromArray(pointsArr, quadIndices[k], pos);\n              positionAttr.set(vertexOffset + k, pos);\n            }\n\n            if (showWireframe) {\n              barycentricAttr.set(vertexOffset + k, quadBarycentric[k]);\n            }\n          }\n\n          for (var k = 0; k < 6; k++) {\n            indices[faceOffset++] = quadToTriangle[k] + vertexOffset;\n          } // Vertex normals\n\n\n          if (needsNormal && !invisibleQuad) {\n            for (var k = 0; k < 2; k++) {\n              var k3 = k * 3;\n\n              for (var m = 0; m < 3; m++) {\n                var idx = quadIndices[quadToTriangle[k3] + m];\n                getFromArray(pointsArr, idx, pts[m]);\n              }\n\n              vec3.sub(v21, pts[0], pts[1]);\n              vec3.sub(v32, pts[1], pts[2]);\n              vec3.cross(normal, v21, v32); // Weighted by the triangle area\n\n              for (var m = 0; m < 3; m++) {\n                var idx3 = quadIndices[quadToTriangle[k3] + m] * 3;\n                vertexNormals[idx3] = vertexNormals[idx3] + normal[0];\n                vertexNormals[idx3 + 1] = vertexNormals[idx3 + 1] + normal[1];\n                vertexNormals[idx3 + 2] = vertexNormals[idx3 + 2] + normal[2];\n              }\n            }\n          }\n        }\n      }\n\n      if (needsNormal) {\n        for (var i = 0; i < vertexNormals.length / 3; i++) {\n          getFromArray(vertexNormals, i, normal);\n          vec3.normalize(normal, normal);\n          vertexNormals[i * 3] = normal[0];\n          vertexNormals[i * 3 + 1] = normal[1];\n          vertexNormals[i * 3 + 2] = normal[2];\n        }\n      } // Split normal and colors, write to the attributes.\n\n\n      var rgbaArr = [];\n      var uvArr = [];\n\n      for (var i = 0; i < row - 1; i++) {\n        for (var j = 0; j < column - 1; j++) {\n          var dataIndex = i * (column - 1) + j;\n          var vertexOffset = dataIndex * 4;\n          getQuadIndices(i, j, quadIndices);\n\n          for (var k = 0; k < 4; k++) {\n            for (var m = 0; m < 4; m++) {\n              rgbaArr[m] = vertexColors[quadIndices[k] * 4 + m];\n            }\n\n            colorAttr.set(vertexOffset + k, rgbaArr);\n\n            if (needsNormal) {\n              getFromArray(vertexNormals, quadIndices[k], normal);\n              normalAttr.set(vertexOffset + k, normal);\n            }\n\n            var idx = quadIndices[k];\n            uvArr[0] = idx % column / (column - 1);\n            uvArr[1] = Math.floor(idx / column) / (row - 1);\n            texcoordAttr.set(vertexOffset + k, uvArr);\n          }\n\n          dataIndex++;\n        }\n      }\n    } else {\n      var uvArr = [];\n\n      for (var i = 0; i < data.count(); i++) {\n        uvArr[0] = i % column / (column - 1);\n        uvArr[1] = Math.floor(i / column) / (row - 1);\n        var rgbaArr = graphicGL.parseColor(getItemVisualColor(data, i));\n        var opacity = getItemVisualOpacity(data, i);\n        opacity != null && (rgbaArr[3] *= opacity);\n\n        if (rgbaArr[3] < 0.99) {\n          isTransparent = true;\n        }\n\n        colorAttr.set(i, rgbaArr);\n        texcoordAttr.set(i, uvArr);\n      }\n\n      var quadIndices = []; // Triangles\n\n      var cursor = 0;\n\n      for (var i = 0; i < row - 1; i++) {\n        for (var j = 0; j < column - 1; j++) {\n          getQuadIndices(i, j, quadIndices);\n\n          for (var k = 0; k < 6; k++) {\n            indices[cursor++] = quadIndices[quadToTriangle[k]];\n          }\n        }\n      }\n\n      if (needsNormal) {\n        geometry.generateVertexNormals();\n      } else {\n        normalAttr.value = null;\n      }\n    }\n\n    if (surfaceMesh.material.get('normalMap')) {\n      geometry.generateTangents();\n    }\n\n    geometry.updateBoundingBox();\n    geometry.dirty();\n    surfaceMesh.material.transparent = isTransparent;\n    surfaceMesh.material.depthMask = !isTransparent;\n  },\n  _getDataShape: function (data, isParametric) {\n    var prevX = -Infinity;\n    var rowCount = 0;\n    var columnCount = 0;\n    var prevColumnCount = 0;\n    var mayInvalid = false;\n    var rowDim = isParametric ? 'u' : 'x';\n    var dataCount = data.count(); // Check data format\n\n    for (var i = 0; i < dataCount; i++) {\n      var x = data.get(rowDim, i);\n\n      if (x < prevX) {\n        if (prevColumnCount && prevColumnCount !== columnCount) {\n          if (process.env.NODE_ENV !== 'production') {\n            mayInvalid = true;\n          }\n        } // A new row.\n\n\n        prevColumnCount = columnCount;\n        columnCount = 0;\n        rowCount++;\n      }\n\n      prevX = x;\n      columnCount++;\n    }\n\n    if (!rowCount || columnCount === 1) {\n      mayInvalid = true;\n    }\n\n    if (!mayInvalid) {\n      return [rowCount + 1, columnCount];\n    }\n\n    var rows = Math.floor(Math.sqrt(dataCount));\n\n    while (rows > 0) {\n      if (Math.floor(dataCount / rows) === dataCount / rows) {\n        // Can be divided\n        return [rows, dataCount / rows];\n      }\n\n      rows--;\n    } // Bailout\n\n\n    rows = Math.floor(Math.sqrt(dataCount));\n    return [rows, rows];\n  },\n  dispose: function () {\n    this.groupGL.removeAll();\n  },\n  remove: function () {\n    this.groupGL.removeAll();\n  }\n});","import * as echarts from 'echarts/lib/echarts';\nimport componentViewControlMixin from '../../component/common/componentViewControlMixin';\nimport componentPostEffectMixin from '../../component/common/componentPostEffectMixin';\nimport componentLightMixin from '../../component/common/componentLightMixin';\nimport componentShadingMixin from '../../component/common/componentShadingMixin';\nimport geo3DModelMixin from '../../coord/geo3D/geo3DModelMixin';\nimport formatUtil from '../../util/format';\nimport formatTooltip from '../common/formatTooltip';\nimport geo3DCreator from '../../coord/geo3DCreator';\n\nfunction transformPolygon(mapbox3DCoordSys, poly) {\n  var newPoly = [];\n\n  for (var k = 0; k < poly.length; k++) {\n    newPoly.push(mapbox3DCoordSys.dataToPoint(poly[k]));\n  }\n\n  return newPoly;\n}\n\nvar Map3DSeries = echarts.SeriesModel.extend({\n  type: 'series.map3D',\n  layoutMode: 'box',\n  coordinateSystem: null,\n  visualStyleAccessPath: 'itemStyle',\n  optionUpdated: function (newOpt) {\n    newOpt = newOpt || {};\n    var coordSysType = this.get('coordinateSystem');\n\n    if (coordSysType == null || coordSysType === 'geo3D') {\n      return;\n    }\n\n    if (process.env.NODE_ENV !== 'production') {\n      var propsNeedToCheck = ['left', 'top', 'width', 'height', 'boxWidth', 'boxDepth', 'boxHeight', 'light', 'viewControl', 'postEffect', 'temporalSuperSampling', 'environment', 'groundPlane'];\n      var ignoredProperties = [];\n      propsNeedToCheck.forEach(function (propName) {\n        if (newOpt[propName] != null) {\n          ignoredProperties.push(propName);\n        }\n      });\n\n      if (ignoredProperties.length) {\n        console.warn('Property %s in map3D series will be ignored if coordinate system is %s', ignoredProperties.join(', '), coordSysType);\n      }\n    }\n\n    if (this.get('groundPlane.show')) {\n      // Force disable groundPlane if map3D has other coordinate systems.\n      this.option.groundPlane.show = false;\n    } // Reset geo.\n\n\n    this._geo = null;\n  },\n  getInitialData: function (option) {\n    option.data = this.getFilledRegions(option.data, option.map);\n    var dimensions = echarts.helper.createDimensions(option.data, {\n      coordDimensions: ['value']\n    });\n    var list = new echarts.List(dimensions, this);\n    list.initData(option.data);\n    var regionModelMap = {};\n    list.each(function (idx) {\n      var name = list.getName(idx);\n      var itemModel = list.getItemModel(idx);\n      regionModelMap[name] = itemModel;\n    });\n    this._regionModelMap = regionModelMap;\n    return list;\n  },\n  formatTooltip: function (dataIndex) {\n    return formatTooltip(this, dataIndex);\n  },\n  getRegionModel: function (idx) {\n    var name = this.getData().getName(idx);\n    return this._regionModelMap[name] || new echarts.Model(null, this);\n  },\n  getRegionPolygonCoords: function (idx) {\n    var coordSys = this.coordinateSystem;\n    var name = this.getData().getName(idx);\n\n    if (coordSys.transform) {\n      var region = coordSys.getRegion(name);\n      return region ? region.geometries : [];\n    } else {\n      if (!this._geo) {\n        this._geo = geo3DCreator.createGeo3D(this);\n      }\n\n      var region = this._geo.getRegion(name);\n\n      var ret = [];\n\n      for (var k = 0; k < region.geometries.length; k++) {\n        var geo = region.geometries[k];\n        var interiors = [];\n        var exterior = transformPolygon(coordSys, geo.exterior);\n\n        if (interiors && interiors.length) {\n          for (var m = 0; m < geo.interiors.length; m++) {\n            interiors.push(transformPolygon(coordSys, interiors[m]));\n          }\n        }\n\n        ret.push({\n          interiors: interiors,\n          exterior: exterior\n        });\n      }\n\n      return ret;\n    }\n  },\n\n  /**\n   * Format label\n   * @param {string} name Region name\n   * @param {string} [status='normal'] 'normal' or 'emphasis'\n   * @return {string}\n   */\n  getFormattedLabel: function (dataIndex, status) {\n    var text = formatUtil.getFormattedLabel(this, dataIndex, status);\n\n    if (text == null) {\n      text = this.getData().getName(dataIndex);\n    }\n\n    return text;\n  },\n  defaultOption: {\n    // Support geo3D, mapbox, maptalks3D\n    coordinateSystem: 'geo3D',\n    // itemStyle: {},\n    // height,\n    // label: {}\n    data: null\n  }\n});\necharts.util.merge(Map3DSeries.prototype, geo3DModelMixin);\necharts.util.merge(Map3DSeries.prototype, componentViewControlMixin);\necharts.util.merge(Map3DSeries.prototype, componentPostEffectMixin);\necharts.util.merge(Map3DSeries.prototype, componentLightMixin);\necharts.util.merge(Map3DSeries.prototype, componentShadingMixin);\nexport default Map3DSeries;","import { use } from 'echarts/lib/echarts';\nimport { install } from './surface/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport SurfaceSeries from './SurfaceSeries';\nimport SurfaceView from './SurfaceView';\nexport function install(registers) {\n  registers.registerChartView(SurfaceView);\n  registers.registerSeriesModel(SurfaceSeries);\n  registers.registerLayout(function (ecModel, api) {\n    ecModel.eachSeriesByType('surface', function (surfaceModel) {\n      var cartesian = surfaceModel.coordinateSystem;\n\n      if (!cartesian || cartesian.type !== 'cartesian3D') {\n        if (process.env.NODE_ENV !== 'production') {\n          console.error('Surface chart only support cartesian3D coordinateSystem');\n        }\n      }\n\n      var data = surfaceModel.getData();\n      var points = new Float32Array(3 * data.count());\n      var nanPoint = [NaN, NaN, NaN];\n\n      if (cartesian && cartesian.type === 'cartesian3D') {\n        var coordDims = cartesian.dimensions;\n        var dims = coordDims.map(function (coordDim) {\n          return surfaceModel.coordDimToDataDim(coordDim)[0];\n        });\n        data.each(dims, function (x, y, z, idx) {\n          var pt;\n\n          if (!data.hasValue(idx)) {\n            pt = nanPoint;\n          } else {\n            pt = cartesian.dataToPoint([x, y, z]);\n          }\n\n          points[idx * 3] = pt[0];\n          points[idx * 3 + 1] = pt[1];\n          points[idx * 3 + 2] = pt[2];\n        });\n      }\n\n      data.setLayout('points', points);\n    });\n  });\n}","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport OrbitControl from '../../util/OrbitControl';\nimport SceneHelper from '../../component/common/SceneHelper';\nimport Geo3DBuilder from '../../component/common/Geo3DBuilder';\nexport default echarts.ChartView.extend({\n  type: 'map3D',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this._geo3DBuilder = new Geo3DBuilder(api);\n    this.groupGL = new graphicGL.Node();\n  },\n  render: function (map3DModel, ecModel, api) {\n    var coordSys = map3DModel.coordinateSystem;\n\n    if (!coordSys || !coordSys.viewGL) {\n      return;\n    }\n\n    this.groupGL.add(this._geo3DBuilder.rootNode);\n    coordSys.viewGL.add(this.groupGL);\n    var geo3D;\n\n    if (coordSys.type === 'geo3D') {\n      geo3D = coordSys;\n\n      if (!this._sceneHelper) {\n        this._sceneHelper = new SceneHelper();\n\n        this._sceneHelper.initLight(this.groupGL);\n      }\n\n      this._sceneHelper.setScene(coordSys.viewGL.scene);\n\n      this._sceneHelper.updateLight(map3DModel); // Set post effect\n\n\n      coordSys.viewGL.setPostEffect(map3DModel.getModel('postEffect'), api);\n      coordSys.viewGL.setTemporalSuperSampling(map3DModel.getModel('temporalSuperSampling'));\n      var control = this._control;\n\n      if (!control) {\n        control = this._control = new OrbitControl({\n          zr: api.getZr()\n        });\n\n        this._control.init();\n      }\n\n      var viewControlModel = map3DModel.getModel('viewControl');\n      control.setViewGL(coordSys.viewGL);\n      control.setFromViewControlModel(viewControlModel, 0);\n      control.off('update');\n      control.on('update', function () {\n        api.dispatchAction({\n          type: 'map3DChangeCamera',\n          alpha: control.getAlpha(),\n          beta: control.getBeta(),\n          distance: control.getDistance(),\n          from: this.uid,\n          map3DId: map3DModel.id\n        });\n      });\n      this._geo3DBuilder.extrudeY = true;\n    } else {\n      if (this._control) {\n        this._control.dispose();\n\n        this._control = null;\n      }\n\n      if (this._sceneHelper) {\n        this._sceneHelper.dispose();\n\n        this._sceneHelper = null;\n      }\n\n      geo3D = map3DModel.getData().getLayout('geo3D');\n      this._geo3DBuilder.extrudeY = false;\n    }\n\n    this._geo3DBuilder.update(map3DModel, ecModel, api, 0, map3DModel.getData().count()); // Must update after geo3D.viewGL.setPostEffect to determine linear space\n\n\n    var srgbDefineMethod = coordSys.viewGL.isLinearSpace() ? 'define' : 'undefine';\n\n    this._geo3DBuilder.rootNode.traverse(function (mesh) {\n      if (mesh.material) {\n        mesh.material[srgbDefineMethod]('fragment', 'SRGB_DECODE');\n      }\n    });\n  },\n  afterRender: function (map3DModel, ecModel, api, layerGL) {\n    var renderer = layerGL.renderer;\n    var coordSys = map3DModel.coordinateSystem;\n\n    if (coordSys && coordSys.type === 'geo3D') {\n      this._sceneHelper.updateAmbientCubemap(renderer, map3DModel, api);\n\n      this._sceneHelper.updateSkybox(renderer, map3DModel, api);\n    }\n  },\n  dispose: function () {\n    this.groupGL.removeAll();\n\n    this._control.dispose();\n  }\n});","import { use } from 'echarts/lib/echarts';\nimport { install } from './map3D/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport Map3DSeries from './Map3DSeries';\nimport Map3DView from './Map3DView';\nimport { install as installGeo3D } from '../../component/geo3D/install';\nexport function install(registers) {\n  // Depends on geo3d\n  installGeo3D(registers);\n  registers.registerChartView(Map3DView);\n  registers.registerSeriesModel(Map3DSeries);\n  registers.registerAction({\n    type: 'map3DChangeCamera',\n    event: 'map3dcamerachanged',\n    update: 'series:updateCamera'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'series',\n      subType: 'map3D',\n      query: payload\n    }, function (componentModel) {\n      componentModel.setView(payload);\n    });\n  });\n}","import * as echarts from 'echarts/lib/echarts';\nexport default echarts.SeriesModel.extend({\n  type: 'series.scatterGL',\n  dependencies: ['grid', 'polar', 'geo', 'singleAxis'],\n  visualStyleAccessPath: 'itemStyle',\n  hasSymbolVisual: true,\n  getInitialData: function () {\n    return echarts.helper.createList(this);\n  },\n  defaultOption: {\n    coordinateSystem: 'cartesian2d',\n    zlevel: 10,\n    progressive: 1e5,\n    progressiveThreshold: 1e5,\n    // Cartesian coordinate system\n    // xAxisIndex: 0,\n    // yAxisIndex: 0,\n    // Polar coordinate system\n    // polarIndex: 0,\n    // Geo coordinate system\n    // geoIndex: 0,\n    large: false,\n    symbol: 'circle',\n    symbolSize: 10,\n    // symbolSize scale when zooming.\n    zoomScale: 0,\n    // Support source-over, lighter\n    blendMode: 'source-over',\n    itemStyle: {\n      opacity: 0.8\n    },\n    postEffect: {\n      enable: false,\n      colorCorrection: {\n        exposure: 0,\n        brightness: 0,\n        contrast: 1,\n        saturation: 1,\n        enable: true\n      }\n    }\n  }\n});","import * as matrix from 'zrender/lib/core/matrix';\nimport * as vector from 'zrender/lib/core/vector';\n\nfunction GLViewHelper(viewGL) {\n  this.viewGL = viewGL;\n}\n\nGLViewHelper.prototype.reset = function (seriesModel, api) {\n  this._updateCamera(api.getWidth(), api.getHeight(), api.getDevicePixelRatio());\n\n  this._viewTransform = matrix.create();\n  this.updateTransform(seriesModel, api);\n};\n\nGLViewHelper.prototype.updateTransform = function (seriesModel, api) {\n  var coordinateSystem = seriesModel.coordinateSystem;\n\n  if (coordinateSystem.getRoamTransform) {\n    matrix.invert(this._viewTransform, coordinateSystem.getRoamTransform());\n\n    this._setCameraTransform(this._viewTransform);\n\n    api.getZr().refresh();\n  }\n}; // Reimplement the dataToPoint of coordinate system.\n// Remove the effect of pan/zoom transform\n\n\nGLViewHelper.prototype.dataToPoint = function (coordSys, data, pt) {\n  pt = coordSys.dataToPoint(data, null, pt);\n  var viewTransform = this._viewTransform;\n\n  if (viewTransform) {\n    vector.applyTransform(pt, pt, viewTransform);\n  }\n};\n/**\n * Remove transform info in point.\n */\n\n\nGLViewHelper.prototype.removeTransformInPoint = function (pt) {\n  if (this._viewTransform) {\n    vector.applyTransform(pt, pt, this._viewTransform);\n  }\n\n  return pt;\n};\n/**\n * Return number\n */\n\n\nGLViewHelper.prototype.getZoom = function () {\n  if (this._viewTransform) {\n    var m = this._viewTransform;\n    return 1 / Math.max(Math.sqrt(m[0] * m[0] + m[1] * m[1]), Math.sqrt(m[2] * m[2] + m[3] * m[3]));\n  }\n\n  return 1;\n};\n\nGLViewHelper.prototype._setCameraTransform = function (m) {\n  var camera = this.viewGL.camera;\n  camera.position.set(m[4], m[5], 0);\n  camera.scale.set(Math.sqrt(m[0] * m[0] + m[1] * m[1]), Math.sqrt(m[2] * m[2] + m[3] * m[3]), 1);\n};\n\nGLViewHelper.prototype._updateCamera = function (width, height, dpr) {\n  // TODO, left, top, right, bottom\n  this.viewGL.setViewport(0, 0, width, height, dpr);\n  var camera = this.viewGL.camera;\n  camera.left = camera.top = 0;\n  camera.bottom = height;\n  camera.right = width;\n  camera.near = 0;\n  camera.far = 100;\n};\n\nexport default GLViewHelper;","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport ViewGL from '../../core/ViewGL';\nimport PointsBuilder from '../common/PointsBuilder';\nimport GLViewHelper from '../common/GLViewHelper';\nexport default echarts.ChartView.extend({\n  type: 'scatterGL',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this.groupGL = new graphicGL.Node();\n    this.viewGL = new ViewGL('orthographic');\n    this.viewGL.add(this.groupGL);\n    this._pointsBuilderList = [];\n    this._currentStep = 0;\n    this._sizeScale = 1;\n    this._glViewHelper = new GLViewHelper(this.viewGL);\n  },\n  render: function (seriesModel, ecModel, api) {\n    this.groupGL.removeAll();\n\n    this._glViewHelper.reset(seriesModel, api);\n\n    if (!seriesModel.getData().count()) {\n      return;\n    }\n\n    var pointsBuilder = this._pointsBuilderList[0];\n\n    if (!pointsBuilder) {\n      pointsBuilder = this._pointsBuilderList[0] = new PointsBuilder(true, api);\n    }\n\n    this._pointsBuilderList.length = 1;\n    this.groupGL.add(pointsBuilder.rootNode);\n\n    this._removeTransformInPoints(seriesModel.getData().getLayout('points'));\n\n    pointsBuilder.update(seriesModel, ecModel, api);\n    this.viewGL.setPostEffect(seriesModel.getModel('postEffect'), api);\n  },\n  incrementalPrepareRender: function (seriesModel, ecModel, api) {\n    this.groupGL.removeAll();\n\n    this._glViewHelper.reset(seriesModel, api);\n\n    this._currentStep = 0;\n    this.viewGL.setPostEffect(seriesModel.getModel('postEffect'), api);\n  },\n  incrementalRender: function (params, seriesModel, ecModel, api) {\n    if (params.end <= params.start) {\n      return;\n    }\n\n    var pointsBuilder = this._pointsBuilderList[this._currentStep];\n\n    if (!pointsBuilder) {\n      pointsBuilder = new PointsBuilder(true, api);\n      this._pointsBuilderList[this._currentStep] = pointsBuilder;\n    }\n\n    this.groupGL.add(pointsBuilder.rootNode);\n\n    this._removeTransformInPoints(seriesModel.getData().getLayout('points'));\n\n    pointsBuilder.setSizeScale(this._sizeScale);\n    pointsBuilder.update(seriesModel, ecModel, api, params.start, params.end);\n    api.getZr().refresh();\n    this._currentStep++;\n  },\n  updateTransform: function (seriesModel, ecModel, api) {\n    if (seriesModel.coordinateSystem.getRoamTransform) {\n      this._glViewHelper.updateTransform(seriesModel, api);\n\n      var zoom = this._glViewHelper.getZoom();\n\n      var sizeScale = Math.max((seriesModel.get('zoomScale') || 0) * (zoom - 1) + 1, 0);\n      this._sizeScale = sizeScale;\n\n      this._pointsBuilderList.forEach(function (pointsBuilder) {\n        pointsBuilder.setSizeScale(sizeScale);\n      });\n    }\n  },\n  _removeTransformInPoints: function (points) {\n    if (!points) {\n      return;\n    }\n\n    var pt = [];\n\n    for (var i = 0; i < points.length; i += 2) {\n      pt[0] = points[i];\n      pt[1] = points[i + 1];\n\n      this._glViewHelper.removeTransformInPoint(pt);\n\n      points[i] = pt[0];\n      points[i + 1] = pt[1];\n    }\n  },\n  dispose: function () {\n    this.groupGL.removeAll();\n  },\n  remove: function () {\n    this.groupGL.removeAll();\n  }\n});","import { use } from 'echarts/lib/echarts';\nimport { install } from './scatterGL/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport ScatterGLSeries from './ScatterGLSeries';\nimport ScatterGLView from './ScatterGLView';\nexport function install(registers) {\n  registers.registerChartView(ScatterGLView);\n  registers.registerSeriesModel(ScatterGLSeries);\n  registers.registerLayout({\n    seriesType: 'scatterGL',\n    reset: function (seriesModel) {\n      var coordSys = seriesModel.coordinateSystem;\n      var data = seriesModel.getData();\n      var progress;\n\n      if (coordSys) {\n        var dims = coordSys.dimensions.map(function (dim) {\n          return data.mapDimension(dim);\n        }).slice(0, 2);\n        var pt = [];\n\n        if (dims.length === 1) {\n          progress = function (params) {\n            var points = new Float32Array((params.end - params.start) * 2);\n\n            for (var idx = params.start; idx < params.end; idx++) {\n              var offset = (idx - params.start) * 2;\n              var x = data.get(dims[0], idx);\n              var pt = coordSys.dataToPoint(x);\n              points[offset] = pt[0];\n              points[offset + 1] = pt[1];\n            }\n\n            data.setLayout('points', points);\n          };\n        } else if (dims.length === 2) {\n          progress = function (params) {\n            var points = new Float32Array((params.end - params.start) * 2);\n\n            for (var idx = params.start; idx < params.end; idx++) {\n              var offset = (idx - params.start) * 2;\n              var x = data.get(dims[0], idx);\n              var y = data.get(dims[1], idx);\n              pt[0] = x;\n              pt[1] = y;\n              pt = coordSys.dataToPoint(pt);\n              points[offset] = pt[0];\n              points[offset + 1] = pt[1];\n            }\n\n            data.setLayout('points', points);\n          };\n        }\n      }\n\n      return {\n        progress: progress\n      };\n    }\n  });\n}","import * as echarts from 'echarts/lib/echarts';\nimport createGraphFromNodeEdge from './createGraphFromNodeEdge';\nimport formatUtil from '../../util/format';\nvar GraphSeries = echarts.SeriesModel.extend({\n  type: 'series.graphGL',\n  visualStyleAccessPath: 'itemStyle',\n  hasSymbolVisual: true,\n  init: function (option) {\n    GraphSeries.superApply(this, 'init', arguments); // Provide data for legend select\n\n    this.legendDataProvider = function () {\n      return this._categoriesData;\n    };\n\n    this._updateCategoriesData();\n  },\n  mergeOption: function (option) {\n    GraphSeries.superApply(this, 'mergeOption', arguments);\n\n    this._updateCategoriesData();\n  },\n  getFormattedLabel: function (dataIndex, status, dataType, dimIndex) {\n    var text = formatUtil.getFormattedLabel(this, dataIndex, status, dataType, dimIndex);\n\n    if (text == null) {\n      var data = this.getData();\n      var lastDim = data.dimensions[data.dimensions.length - 1];\n      text = data.get(lastDim, dataIndex);\n    }\n\n    return text;\n  },\n  getInitialData: function (option, ecModel) {\n    var edges = option.edges || option.links || [];\n    var nodes = option.data || option.nodes || [];\n    var self = this;\n\n    if (nodes && edges) {\n      return createGraphFromNodeEdge(nodes, edges, this, true, beforeLink).data;\n    }\n\n    function beforeLink(nodeData, edgeData) {\n      // Overwrite nodeData.getItemModel to\n      nodeData.wrapMethod('getItemModel', function (model) {\n        const categoriesModels = self._categoriesModels;\n        const categoryIdx = model.getShallow('category');\n        const categoryModel = categoriesModels[categoryIdx];\n\n        if (categoryModel) {\n          categoryModel.parentModel = model.parentModel;\n          model.parentModel = categoryModel;\n        }\n\n        return model;\n      }); // TODO Inherit resolveParentPath by default in Model#getModel?\n\n      const oldGetModel = ecModel.getModel([]).getModel;\n\n      function newGetModel(path, parentModel) {\n        const model = oldGetModel.call(this, path, parentModel);\n        model.resolveParentPath = resolveParentPath;\n        return model;\n      }\n\n      edgeData.wrapMethod('getItemModel', function (model) {\n        model.resolveParentPath = resolveParentPath;\n        model.getModel = newGetModel;\n        return model;\n      });\n\n      function resolveParentPath(pathArr) {\n        if (pathArr && (pathArr[0] === 'label' || pathArr[1] === 'label')) {\n          const newPathArr = pathArr.slice();\n\n          if (pathArr[0] === 'label') {\n            newPathArr[0] = 'edgeLabel';\n          } else if (pathArr[1] === 'label') {\n            newPathArr[1] = 'edgeLabel';\n          }\n\n          return newPathArr;\n        }\n\n        return pathArr;\n      }\n    }\n  },\n\n  /**\n   * @return {module:echarts/data/Graph}\n   */\n  getGraph: function () {\n    return this.getData().graph;\n  },\n\n  /**\n   * @return {module:echarts/data/List}\n   */\n  getEdgeData: function () {\n    return this.getGraph().edgeData;\n  },\n\n  /**\n   * @return {module:echarts/data/List}\n   */\n  getCategoriesData: function () {\n    return this._categoriesData;\n  },\n\n  /**\n   * @override\n   */\n  formatTooltip: function (dataIndex, multipleSeries, dataType) {\n    if (dataType === 'edge') {\n      var nodeData = this.getData();\n      var params = this.getDataParams(dataIndex, dataType);\n      var edge = nodeData.graph.getEdgeByIndex(dataIndex);\n      var sourceName = nodeData.getName(edge.node1.dataIndex);\n      var targetName = nodeData.getName(edge.node2.dataIndex);\n      var html = [];\n      sourceName != null && html.push(sourceName);\n      targetName != null && html.push(targetName);\n      html = echarts.format.encodeHTML(html.join(' > '));\n\n      if (params.value) {\n        html += ' : ' + echarts.format.encodeHTML(params.value);\n      }\n\n      return html;\n    } else {\n      // dataType === 'node' or empty\n      return GraphSeries.superApply(this, 'formatTooltip', arguments);\n    }\n  },\n  _updateCategoriesData: function () {\n    var categories = (this.option.categories || []).map(function (category) {\n      // Data must has value\n      return category.value != null ? category : Object.assign({\n        value: 0\n      }, category);\n    });\n    var categoriesData = new echarts.List(['value'], this);\n    categoriesData.initData(categories);\n    this._categoriesData = categoriesData;\n    this._categoriesModels = categoriesData.mapArray(function (idx) {\n      return categoriesData.getItemModel(idx, true);\n    });\n  },\n  setView: function (payload) {\n    if (payload.zoom != null) {\n      this.option.zoom = payload.zoom;\n    }\n\n    if (payload.offset != null) {\n      this.option.offset = payload.offset;\n    }\n  },\n  setNodePosition: function (points) {\n    for (var i = 0; i < points.length / 2; i++) {\n      var x = points[i * 2];\n      var y = points[i * 2 + 1];\n      var opt = this.getData().getRawDataItem(i);\n      opt.x = x;\n      opt.y = y;\n    }\n  },\n  isAnimationEnabled: function () {\n    return GraphSeries.superCall(this, 'isAnimationEnabled') // Not enable animation when do force layout\n    && !(this.get('layout') === 'force' && this.get('force.layoutAnimation'));\n  },\n  defaultOption: {\n    zlevel: 10,\n    z: 2,\n    legendHoverLink: true,\n    // Only support forceAtlas2\n    layout: 'forceAtlas2',\n    // Configuration of force directed layout\n    forceAtlas2: {\n      initLayout: null,\n      GPU: true,\n      steps: 1,\n      // barnesHutOptimize\n      // Maxp layout steps.\n      maxSteps: 1000,\n      repulsionByDegree: true,\n      linLogMode: false,\n      strongGravityMode: false,\n      gravity: 1.0,\n      // scaling: 1.0,\n      edgeWeightInfluence: 1.0,\n      // Edge weight range.\n      edgeWeight: [1, 4],\n      // Node weight range.\n      nodeWeight: [1, 4],\n      // jitterTolerence: 0.1,\n      preventOverlap: false,\n      gravityCenter: null\n    },\n    focusNodeAdjacency: true,\n    focusNodeAdjacencyOn: 'mouseover',\n    left: 'center',\n    top: 'center',\n    // right: null,\n    // bottom: null,\n    // width: '80%',\n    // height: '80%',\n    symbol: 'circle',\n    symbolSize: 5,\n    roam: false,\n    // Default on center of graph\n    center: null,\n    zoom: 1,\n    // categories: [],\n    // data: []\n    // Or\n    // nodes: []\n    //\n    // links: []\n    // Or\n    // edges: []\n    label: {\n      show: false,\n      formatter: '{b}',\n      position: 'right',\n      distance: 5,\n      textStyle: {\n        fontSize: 14\n      }\n    },\n    itemStyle: {},\n    lineStyle: {\n      color: '#aaa',\n      width: 1,\n      opacity: 0.5\n    },\n    emphasis: {\n      label: {\n        show: true\n      }\n    },\n    animation: false\n  }\n});\nexport default GraphSeries;","import * as echarts from 'echarts/lib/echarts';\nimport Graph from 'echarts/lib/data/Graph';\nimport linkList from 'echarts/lib/data/helper/linkList';\nimport retrieve from '../../util/retrieve';\nexport default function (nodes, edges, hostModel, directed, beforeLink) {\n  var graph = new Graph(directed);\n\n  for (var i = 0; i < nodes.length; i++) {\n    graph.addNode(retrieve.firstNotNull( // Id, name, dataIndex\n    nodes[i].id, nodes[i].name, i), i);\n  }\n\n  var linkNameList = [];\n  var validEdges = [];\n  var linkCount = 0;\n\n  for (var i = 0; i < edges.length; i++) {\n    var link = edges[i];\n    var source = link.source;\n    var target = link.target; // addEdge may fail when source or target not exists\n\n    if (graph.addEdge(source, target, linkCount)) {\n      validEdges.push(link);\n      linkNameList.push(retrieve.firstNotNull(link.id, source + ' > ' + target));\n      linkCount++;\n    }\n  }\n\n  var nodeData; // FIXME, support more coordinate systems.\n\n  var dimensionNames = echarts.helper.createDimensions(nodes, {\n    coordDimensions: ['value']\n  });\n  nodeData = new echarts.List(dimensionNames, hostModel);\n  nodeData.initData(nodes);\n  var edgeData = new echarts.List(['value'], hostModel);\n  edgeData.initData(validEdges, linkNameList);\n  beforeLink && beforeLink(nodeData, edgeData);\n  linkList({\n    mainData: nodeData,\n    struct: graph,\n    structAttr: 'graph',\n    datas: {\n      node: nodeData,\n      edge: edgeData\n    },\n    datasAttr: {\n      node: 'data',\n      edge: 'edgeData'\n    }\n  }); // Update dataIndex of nodes and edges because invalid edge may be removed\n\n  graph.update();\n  return graph;\n}\n;","/**\n * Lines geometry\n * Use screen space projected lines lineWidth > MAX_LINE_WIDTH\n * https://mattdesl.svbtle.com/drawing-lines-is-hard\n * @module echarts-gl/util/geometry/LinesGeometry\n * @author Yi Shen(http://github.com/pissang)\n */\nimport Geometry from 'claygl/src/Geometry';\nimport * as echarts from 'echarts/lib/echarts';\nimport dynamicConvertMixin from './dynamicConvertMixin';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nvar vec2 = glmatrix.vec2; // var CURVE_RECURSION_LIMIT = 8;\n// var CURVE_COLLINEAR_EPSILON = 40;\n\nvar sampleLinePoints = [[0, 0], [1, 1]];\n/**\n * @constructor\n * @alias module:echarts-gl/util/geometry/LinesGeometry\n * @extends clay.Geometry\n */\n\nvar LinesGeometry = Geometry.extend(function () {\n  return {\n    segmentScale: 4,\n    dynamic: true,\n\n    /**\n     * Need to use mesh to expand lines if lineWidth > MAX_LINE_WIDTH\n     */\n    useNativeLine: true,\n    attributes: {\n      position: new Geometry.Attribute('position', 'float', 2, 'POSITION'),\n      normal: new Geometry.Attribute('normal', 'float', 2),\n      offset: new Geometry.Attribute('offset', 'float', 1),\n      color: new Geometry.Attribute('color', 'float', 4, 'COLOR')\n    }\n  };\n},\n/** @lends module: echarts-gl/util/geometry/LinesGeometry.prototype */\n{\n  /**\n   * Reset offset\n   */\n  resetOffset: function () {\n    this._vertexOffset = 0;\n    this._faceOffset = 0;\n    this._itemVertexOffsets = [];\n  },\n\n  /**\n   * @param {number} nVertex\n   */\n  setVertexCount: function (nVertex) {\n    var attributes = this.attributes;\n\n    if (this.vertexCount !== nVertex) {\n      attributes.position.init(nVertex);\n      attributes.color.init(nVertex);\n\n      if (!this.useNativeLine) {\n        attributes.offset.init(nVertex);\n        attributes.normal.init(nVertex);\n      }\n\n      if (nVertex > 0xffff) {\n        if (this.indices instanceof Uint16Array) {\n          this.indices = new Uint32Array(this.indices);\n        }\n      } else {\n        if (this.indices instanceof Uint32Array) {\n          this.indices = new Uint16Array(this.indices);\n        }\n      }\n    }\n  },\n\n  /**\n   * @param {number} nTriangle\n   */\n  setTriangleCount: function (nTriangle) {\n    if (this.triangleCount !== nTriangle) {\n      if (nTriangle === 0) {\n        this.indices = null;\n      } else {\n        this.indices = this.vertexCount > 0xffff ? new Uint32Array(nTriangle * 3) : new Uint16Array(nTriangle * 3);\n      }\n    }\n  },\n  _getCubicCurveApproxStep: function (p0, p1, p2, p3) {\n    var len = vec2.dist(p0, p1) + vec2.dist(p2, p1) + vec2.dist(p3, p2);\n    var step = 1 / (len + 1) * this.segmentScale;\n    return step;\n  },\n\n  /**\n   * Get vertex count of cubic curve\n   * @param {Array.<number>} p0\n   * @param {Array.<number>} p1\n   * @param {Array.<number>} p2\n   * @param {Array.<number>} p3\n   * @return number\n   */\n  getCubicCurveVertexCount: function (p0, p1, p2, p3) {\n    var step = this._getCubicCurveApproxStep(p0, p1, p2, p3);\n\n    var segCount = Math.ceil(1 / step);\n\n    if (!this.useNativeLine) {\n      return segCount * 2 + 2;\n    } else {\n      return segCount * 2;\n    }\n  },\n\n  /**\n   * Get face count of cubic curve\n   * @param {Array.<number>} p0\n   * @param {Array.<number>} p1\n   * @param {Array.<number>} p2\n   * @param {Array.<number>} p3\n   * @return number\n   */\n  getCubicCurveTriangleCount: function (p0, p1, p2, p3) {\n    var step = this._getCubicCurveApproxStep(p0, p1, p2, p3);\n\n    var segCount = Math.ceil(1 / step);\n\n    if (!this.useNativeLine) {\n      return segCount * 2;\n    } else {\n      return 0;\n    }\n  },\n\n  /**\n   * Get vertex count of line\n   * @return {number}\n   */\n  getLineVertexCount: function () {\n    return this.getPolylineVertexCount(sampleLinePoints);\n  },\n\n  /**\n   * Get face count of line\n   * @return {number}\n   */\n  getLineTriangleCount: function () {\n    return this.getPolylineTriangleCount(sampleLinePoints);\n  },\n\n  /**\n   * Get how many vertices will polyline take.\n   * @type {number|Array} points Can be a 1d/2d list of points, or a number of points amount.\n   * @return {number}\n   */\n  getPolylineVertexCount: function (points) {\n    var pointsLen;\n\n    if (typeof points === 'number') {\n      pointsLen = points;\n    } else {\n      var is2DArray = typeof points[0] !== 'number';\n      pointsLen = is2DArray ? points.length : points.length / 2;\n    }\n\n    return !this.useNativeLine ? (pointsLen - 1) * 2 + 2 : (pointsLen - 1) * 2;\n  },\n\n  /**\n   * Get how many triangles will polyline take.\n   * @type {number|Array} points Can be a 1d/2d list of points, or a number of points amount.\n   * @return {number}\n   */\n  getPolylineTriangleCount: function (points) {\n    var pointsLen;\n\n    if (typeof points === 'number') {\n      pointsLen = points;\n    } else {\n      var is2DArray = typeof points[0] !== 'number';\n      pointsLen = is2DArray ? points.length : points.length / 2;\n    }\n\n    return !this.useNativeLine ? (pointsLen - 1) * 2 : 0;\n  },\n\n  /**\n   * Add a cubic curve\n   * @param {Array.<number>} p0\n   * @param {Array.<number>} p1\n   * @param {Array.<number>} p2\n   * @param {Array.<number>} p3\n   * @param {Array.<number>} color\n   * @param {number} [lineWidth=1]\n   */\n  addCubicCurve: function (p0, p1, p2, p3, color, lineWidth) {\n    if (lineWidth == null) {\n      lineWidth = 1;\n    } // incremental interpolation\n    // http://antigrain.com/research/bezier_interpolation/index.html#PAGE_BEZIER_INTERPOLATION\n\n\n    var x0 = p0[0],\n        y0 = p0[1];\n    var x1 = p1[0],\n        y1 = p1[1];\n    var x2 = p2[0],\n        y2 = p2[1];\n    var x3 = p3[0],\n        y3 = p3[1];\n\n    var step = this._getCubicCurveApproxStep(p0, p1, p2, p3);\n\n    var step2 = step * step;\n    var step3 = step2 * step;\n    var pre1 = 3.0 * step;\n    var pre2 = 3.0 * step2;\n    var pre4 = 6.0 * step2;\n    var pre5 = 6.0 * step3;\n    var tmp1x = x0 - x1 * 2.0 + x2;\n    var tmp1y = y0 - y1 * 2.0 + y2;\n    var tmp2x = (x1 - x2) * 3.0 - x0 + x3;\n    var tmp2y = (y1 - y2) * 3.0 - y0 + y3;\n    var fx = x0;\n    var fy = y0;\n    var dfx = (x1 - x0) * pre1 + tmp1x * pre2 + tmp2x * step3;\n    var dfy = (y1 - y0) * pre1 + tmp1y * pre2 + tmp2y * step3;\n    var ddfx = tmp1x * pre4 + tmp2x * pre5;\n    var ddfy = tmp1y * pre4 + tmp2y * pre5;\n    var dddfx = tmp2x * pre5;\n    var dddfy = tmp2y * pre5;\n    var t = 0;\n    var k = 0;\n    var segCount = Math.ceil(1 / step);\n    var points = new Float32Array((segCount + 1) * 3);\n    var points = [];\n    var offset = 0;\n\n    for (var k = 0; k < segCount + 1; k++) {\n      points[offset++] = fx;\n      points[offset++] = fy;\n      fx += dfx;\n      fy += dfy;\n      dfx += ddfx;\n      dfy += ddfy;\n      ddfx += dddfx;\n      ddfy += dddfy;\n      t += step;\n\n      if (t > 1) {\n        fx = dfx > 0 ? Math.min(fx, x3) : Math.max(fx, x3);\n        fy = dfy > 0 ? Math.min(fy, y3) : Math.max(fy, y3);\n      }\n    }\n\n    this.addPolyline(points, color, lineWidth);\n  },\n\n  /**\n   * Add a straight line\n   * @param {Array.<number>} p0\n   * @param {Array.<number>} p1\n   * @param {Array.<number>} color\n   * @param {number} [lineWidth=1]\n   */\n  addLine: function (p0, p1, color, lineWidth) {\n    this.addPolyline([p0, p1], color, lineWidth);\n  },\n\n  /**\n   * Add a straight line\n   * @param {Array.<Array> | Array.<number>} points\n   * @param {Array.<number> | Array.<Array>} color\n   * @param {number} [lineWidth=1]\n   * @param {number} [arrayOffset=0]\n   * @param {number} [pointsCount] Default to be amount of points in the first argument\n   */\n  addPolyline: function () {\n    var dirA = vec2.create();\n    var dirB = vec2.create();\n    var normal = vec2.create();\n    var tangent = vec2.create();\n    var point = [],\n        nextPoint = [],\n        prevPoint = [];\n    return function (points, color, lineWidth, arrayOffset, pointsCount) {\n      if (!points.length) {\n        return;\n      }\n\n      var is2DArray = typeof points[0] !== 'number';\n\n      if (pointsCount == null) {\n        pointsCount = is2DArray ? points.length : points.length / 2;\n      }\n\n      if (pointsCount < 2) {\n        return;\n      }\n\n      if (arrayOffset == null) {\n        arrayOffset = 0;\n      }\n\n      if (lineWidth == null) {\n        lineWidth = 1;\n      }\n\n      this._itemVertexOffsets.push(this._vertexOffset);\n\n      var notSharingColor = is2DArray ? typeof color[0] !== 'number' : color.length / 4 === pointsCount;\n      var positionAttr = this.attributes.position;\n      var colorAttr = this.attributes.color;\n      var offsetAttr = this.attributes.offset;\n      var normalAttr = this.attributes.normal;\n      var indices = this.indices;\n      var vertexOffset = this._vertexOffset;\n      var pointColor;\n\n      for (var k = 0; k < pointsCount; k++) {\n        if (is2DArray) {\n          point = points[k + arrayOffset];\n\n          if (notSharingColor) {\n            pointColor = color[k + arrayOffset];\n          } else {\n            pointColor = color;\n          }\n        } else {\n          var k2 = k * 2 + arrayOffset;\n          point = point || [];\n          point[0] = points[k2];\n          point[1] = points[k2 + 1];\n\n          if (notSharingColor) {\n            var k4 = k * 4 + arrayOffset;\n            pointColor = pointColor || [];\n            pointColor[0] = color[k4];\n            pointColor[1] = color[k4 + 1];\n            pointColor[2] = color[k4 + 2];\n            pointColor[3] = color[k4 + 3];\n          } else {\n            pointColor = color;\n          }\n        }\n\n        if (!this.useNativeLine) {\n          var offset;\n\n          if (k < pointsCount - 1) {\n            if (is2DArray) {\n              vec2.copy(nextPoint, points[k + 1]);\n            } else {\n              var k2 = (k + 1) * 2 + arrayOffset;\n              nextPoint = nextPoint || [];\n              nextPoint[0] = points[k2];\n              nextPoint[1] = points[k2 + 1];\n            } // TODO In case dir is (0, 0)\n            // TODO miterLimit\n\n\n            if (k > 0) {\n              vec2.sub(dirA, point, prevPoint);\n              vec2.sub(dirB, nextPoint, point);\n              vec2.normalize(dirA, dirA);\n              vec2.normalize(dirB, dirB);\n              vec2.add(tangent, dirA, dirB);\n              vec2.normalize(tangent, tangent);\n              var miter = lineWidth / 2 * Math.min(1 / vec2.dot(dirA, tangent), 2);\n              normal[0] = -tangent[1];\n              normal[1] = tangent[0];\n              offset = miter;\n            } else {\n              vec2.sub(dirA, nextPoint, point);\n              vec2.normalize(dirA, dirA);\n              normal[0] = -dirA[1];\n              normal[1] = dirA[0];\n              offset = lineWidth / 2;\n            }\n          } else {\n            vec2.sub(dirA, point, prevPoint);\n            vec2.normalize(dirA, dirA);\n            normal[0] = -dirA[1];\n            normal[1] = dirA[0];\n            offset = lineWidth / 2;\n          }\n\n          normalAttr.set(vertexOffset, normal);\n          normalAttr.set(vertexOffset + 1, normal);\n          offsetAttr.set(vertexOffset, offset);\n          offsetAttr.set(vertexOffset + 1, -offset);\n          vec2.copy(prevPoint, point);\n          positionAttr.set(vertexOffset, point);\n          positionAttr.set(vertexOffset + 1, point);\n          colorAttr.set(vertexOffset, pointColor);\n          colorAttr.set(vertexOffset + 1, pointColor);\n          vertexOffset += 2;\n        } else {\n          if (k > 1) {\n            positionAttr.copy(vertexOffset, vertexOffset - 1);\n            colorAttr.copy(vertexOffset, vertexOffset - 1);\n            vertexOffset++;\n          }\n        }\n\n        if (!this.useNativeLine) {\n          if (k > 0) {\n            var idx3 = this._faceOffset * 3;\n            var indices = this.indices; // 0-----2\n            // 1-----3\n            // 0->1->2, 1->3->2\n\n            indices[idx3] = vertexOffset - 4;\n            indices[idx3 + 1] = vertexOffset - 3;\n            indices[idx3 + 2] = vertexOffset - 2;\n            indices[idx3 + 3] = vertexOffset - 3;\n            indices[idx3 + 4] = vertexOffset - 1;\n            indices[idx3 + 5] = vertexOffset - 2;\n            this._faceOffset += 2;\n          }\n        } else {\n          colorAttr.set(vertexOffset, pointColor);\n          positionAttr.set(vertexOffset, point);\n          vertexOffset++;\n        }\n      }\n\n      this._vertexOffset = vertexOffset;\n    };\n  }(),\n\n  /**\n   * Set color of single line.\n   */\n  setItemColor: function (idx, color) {\n    var startOffset = this._itemVertexOffsets[idx];\n    var endOffset = idx < this._itemVertexOffsets.length - 1 ? this._itemVertexOffsets[idx + 1] : this._vertexOffset;\n\n    for (var i = startOffset; i < endOffset; i++) {\n      this.attributes.color.set(i, color);\n    }\n\n    this.dirty('color');\n  }\n});\necharts.util.defaults(LinesGeometry.prototype, dynamicConvertMixin);\nexport default LinesGeometry;","import graphicGL from '../../util/graphicGL';\nimport Pass from 'claygl/src/compositor/Pass';\nimport FrameBuffer from 'claygl/src/FrameBuffer';\nimport forceAtlas2Code from './forceAtlas2.glsl.js';\ngraphicGL.Shader.import(forceAtlas2Code);\nvar defaultConfigs = {\n  repulsionByDegree: true,\n  linLogMode: false,\n  strongGravityMode: false,\n  gravity: 1.0,\n  scaling: 1.0,\n  edgeWeightInfluence: 1.0,\n  jitterTolerence: 0.1,\n  preventOverlap: false,\n  dissuadeHubs: false,\n  gravityCenter: null\n};\n\nfunction ForceAtlas2GPU(options) {\n  var textureOpt = {\n    type: graphicGL.Texture.FLOAT,\n    minFilter: graphicGL.Texture.NEAREST,\n    magFilter: graphicGL.Texture.NEAREST\n  };\n  this._positionSourceTex = new graphicGL.Texture2D(textureOpt);\n  this._positionSourceTex.flipY = false;\n  this._positionTex = new graphicGL.Texture2D(textureOpt);\n  this._positionPrevTex = new graphicGL.Texture2D(textureOpt);\n  this._forceTex = new graphicGL.Texture2D(textureOpt);\n  this._forcePrevTex = new graphicGL.Texture2D(textureOpt);\n  this._weightedSumTex = new graphicGL.Texture2D(textureOpt);\n  this._weightedSumTex.width = this._weightedSumTex.height = 1;\n  this._globalSpeedTex = new graphicGL.Texture2D(textureOpt);\n  this._globalSpeedPrevTex = new graphicGL.Texture2D(textureOpt);\n  this._globalSpeedTex.width = this._globalSpeedTex.height = 1;\n  this._globalSpeedPrevTex.width = this._globalSpeedPrevTex.height = 1;\n  this._nodeRepulsionPass = new Pass({\n    fragment: graphicGL.Shader.source('ecgl.forceAtlas2.updateNodeRepulsion')\n  });\n  this._positionPass = new Pass({\n    fragment: graphicGL.Shader.source('ecgl.forceAtlas2.updatePosition')\n  });\n  this._globalSpeedPass = new Pass({\n    fragment: graphicGL.Shader.source('ecgl.forceAtlas2.calcGlobalSpeed')\n  });\n  this._copyPass = new Pass({\n    fragment: graphicGL.Shader.source('clay.compositor.output')\n  });\n\n  var additiveBlend = function (gl) {\n    gl.blendEquation(gl.FUNC_ADD);\n    gl.blendFunc(gl.ONE, gl.ONE);\n  };\n\n  this._edgeForceMesh = new graphicGL.Mesh({\n    geometry: new graphicGL.Geometry({\n      attributes: {\n        node1: new graphicGL.Geometry.Attribute('node1', 'float', 2),\n        node2: new graphicGL.Geometry.Attribute('node2', 'float', 2),\n        weight: new graphicGL.Geometry.Attribute('weight', 'float', 1)\n      },\n      dynamic: true,\n      mainAttribute: 'node1'\n    }),\n    material: new graphicGL.Material({\n      transparent: true,\n      shader: graphicGL.createShader('ecgl.forceAtlas2.updateEdgeAttraction'),\n      blend: additiveBlend,\n      depthMask: false,\n      depthText: false\n    }),\n    mode: graphicGL.Mesh.POINTS\n  });\n  this._weightedSumMesh = new graphicGL.Mesh({\n    geometry: new graphicGL.Geometry({\n      attributes: {\n        node: new graphicGL.Geometry.Attribute('node', 'float', 2)\n      },\n      dynamic: true,\n      mainAttribute: 'node'\n    }),\n    material: new graphicGL.Material({\n      transparent: true,\n      shader: graphicGL.createShader('ecgl.forceAtlas2.calcWeightedSum'),\n      blend: additiveBlend,\n      depthMask: false,\n      depthText: false\n    }),\n    mode: graphicGL.Mesh.POINTS\n  });\n  this._framebuffer = new FrameBuffer({\n    depthBuffer: false\n  });\n  this._dummyCamera = new graphicGL.OrthographicCamera({\n    left: -1,\n    right: 1,\n    top: 1,\n    bottom: -1,\n    near: 0,\n    far: 100\n  });\n  this._globalSpeed = 0;\n}\n\nForceAtlas2GPU.prototype.updateOption = function (options) {\n  // Default config\n  for (var name in defaultConfigs) {\n    this[name] = defaultConfigs[name];\n  } // Config according to data scale\n\n\n  var nNodes = this._nodes.length;\n\n  if (nNodes > 50000) {\n    this.jitterTolerence = 10;\n  } else if (nNodes > 5000) {\n    this.jitterTolerence = 1;\n  } else {\n    this.jitterTolerence = 0.1;\n  }\n\n  if (nNodes > 100) {\n    this.scaling = 2.0;\n  } else {\n    this.scaling = 10.0;\n  } // this.edgeWeightInfluence = 1;\n  // this.gravity = 1;\n  // this.strongGravityMode = false;\n\n\n  if (options) {\n    for (var name in defaultConfigs) {\n      if (options[name] != null) {\n        this[name] = options[name];\n      }\n    }\n  }\n\n  if (this.repulsionByDegree) {\n    var positionBuffer = this._positionSourceTex.pixels;\n\n    for (var i = 0; i < this._nodes.length; i++) {\n      positionBuffer[i * 4 + 2] = (this._nodes[i].degree || 0) + 1;\n    }\n  }\n};\n\nForceAtlas2GPU.prototype._updateGravityCenter = function (options) {\n  var nodes = this._nodes;\n  var edges = this._edges;\n\n  if (!this.gravityCenter) {\n    var min = [Infinity, Infinity];\n    var max = [-Infinity, -Infinity];\n\n    for (var i = 0; i < nodes.length; i++) {\n      min[0] = Math.min(nodes[i].x, min[0]);\n      min[1] = Math.min(nodes[i].y, min[1]);\n      max[0] = Math.max(nodes[i].x, max[0]);\n      max[1] = Math.max(nodes[i].y, max[1]);\n    }\n\n    this._gravityCenter = [(min[0] + max[0]) * 0.5, (min[1] + max[1]) * 0.5];\n  } else {\n    this._gravityCenter = this.gravityCenter;\n  } // Update inDegree, outDegree\n\n\n  for (var i = 0; i < edges.length; i++) {\n    var node1 = edges[i].node1;\n    var node2 = edges[i].node2;\n    nodes[node1].degree = (nodes[node1].degree || 0) + 1;\n    nodes[node2].degree = (nodes[node2].degree || 0) + 1;\n  }\n};\n/**\n * @param {Array.<Object>} [{ x, y, mass }] nodes\n * @param {Array.<Object>} [{ node1, node2, weight }] edges\n */\n\n\nForceAtlas2GPU.prototype.initData = function (nodes, edges) {\n  this._nodes = nodes;\n  this._edges = edges;\n\n  this._updateGravityCenter();\n\n  var textureWidth = Math.ceil(Math.sqrt(nodes.length));\n  var textureHeight = textureWidth;\n  var positionBuffer = new Float32Array(textureWidth * textureHeight * 4);\n\n  this._resize(textureWidth, textureHeight);\n\n  var offset = 0;\n\n  for (var i = 0; i < nodes.length; i++) {\n    var node = nodes[i];\n    positionBuffer[offset++] = node.x || 0;\n    positionBuffer[offset++] = node.y || 0;\n    positionBuffer[offset++] = node.mass || 1;\n    positionBuffer[offset++] = node.size || 1;\n  }\n\n  this._positionSourceTex.pixels = positionBuffer;\n  var edgeGeometry = this._edgeForceMesh.geometry;\n  var edgeLen = edges.length;\n  edgeGeometry.attributes.node1.init(edgeLen * 2);\n  edgeGeometry.attributes.node2.init(edgeLen * 2);\n  edgeGeometry.attributes.weight.init(edgeLen * 2);\n  var uv = [];\n\n  for (var i = 0; i < edges.length; i++) {\n    var attributes = edgeGeometry.attributes;\n    var weight = edges[i].weight;\n\n    if (weight == null) {\n      weight = 1;\n    } // Two way.\n\n\n    attributes.node1.set(i, this.getNodeUV(edges[i].node1, uv));\n    attributes.node2.set(i, this.getNodeUV(edges[i].node2, uv));\n    attributes.weight.set(i, weight);\n    attributes.node1.set(i + edgeLen, this.getNodeUV(edges[i].node2, uv));\n    attributes.node2.set(i + edgeLen, this.getNodeUV(edges[i].node1, uv));\n    attributes.weight.set(i + edgeLen, weight);\n  }\n\n  var weigtedSumGeo = this._weightedSumMesh.geometry;\n  weigtedSumGeo.attributes.node.init(nodes.length);\n\n  for (var i = 0; i < nodes.length; i++) {\n    weigtedSumGeo.attributes.node.set(i, this.getNodeUV(i, uv));\n  }\n\n  edgeGeometry.dirty();\n  weigtedSumGeo.dirty();\n\n  this._nodeRepulsionPass.material.define('fragment', 'NODE_COUNT', nodes.length);\n\n  this._nodeRepulsionPass.material.setUniform('textureSize', [textureWidth, textureHeight]);\n\n  this._inited = false;\n  this._frame = 0;\n};\n\nForceAtlas2GPU.prototype.getNodes = function () {\n  return this._nodes;\n};\n\nForceAtlas2GPU.prototype.getEdges = function () {\n  return this._edges;\n};\n\nForceAtlas2GPU.prototype.step = function (renderer) {\n  if (!this._inited) {\n    this._initFromSource(renderer);\n\n    this._inited = true;\n  }\n\n  this._frame++;\n\n  this._framebuffer.attach(this._forceTex);\n\n  this._framebuffer.bind(renderer);\n\n  var nodeRepulsionPass = this._nodeRepulsionPass; // Calc node repulsion, gravity\n\n  nodeRepulsionPass.setUniform('strongGravityMode', this.strongGravityMode);\n  nodeRepulsionPass.setUniform('gravity', this.gravity);\n  nodeRepulsionPass.setUniform('gravityCenter', this._gravityCenter);\n  nodeRepulsionPass.setUniform('scaling', this.scaling);\n  nodeRepulsionPass.setUniform('preventOverlap', this.preventOverlap);\n  nodeRepulsionPass.setUniform('positionTex', this._positionPrevTex);\n  nodeRepulsionPass.render(renderer); // Calc edge attraction force\n\n  var edgeForceMesh = this._edgeForceMesh;\n  edgeForceMesh.material.set('linLogMode', this.linLogMode);\n  edgeForceMesh.material.set('edgeWeightInfluence', this.edgeWeightInfluence);\n  edgeForceMesh.material.set('preventOverlap', this.preventOverlap);\n  edgeForceMesh.material.set('positionTex', this._positionPrevTex);\n  renderer.gl.enable(renderer.gl.BLEND);\n  renderer.renderPass([edgeForceMesh], this._dummyCamera); // Calc weighted sum.\n\n  this._framebuffer.attach(this._weightedSumTex);\n\n  renderer.gl.clearColor(0, 0, 0, 0);\n  renderer.gl.clear(renderer.gl.COLOR_BUFFER_BIT);\n  renderer.gl.enable(renderer.gl.BLEND);\n  var weightedSumMesh = this._weightedSumMesh;\n  weightedSumMesh.material.set('positionTex', this._positionPrevTex);\n  weightedSumMesh.material.set('forceTex', this._forceTex);\n  weightedSumMesh.material.set('forcePrevTex', this._forcePrevTex);\n  renderer.renderPass([weightedSumMesh], this._dummyCamera); // Calc global speed.\n\n  this._framebuffer.attach(this._globalSpeedTex);\n\n  var globalSpeedPass = this._globalSpeedPass;\n  globalSpeedPass.setUniform('globalSpeedPrevTex', this._globalSpeedPrevTex);\n  globalSpeedPass.setUniform('weightedSumTex', this._weightedSumTex);\n  globalSpeedPass.setUniform('jitterTolerence', this.jitterTolerence);\n  renderer.gl.disable(renderer.gl.BLEND);\n  globalSpeedPass.render(renderer); // Update position.\n\n  var positionPass = this._positionPass;\n\n  this._framebuffer.attach(this._positionTex);\n\n  positionPass.setUniform('globalSpeedTex', this._globalSpeedTex);\n  positionPass.setUniform('positionTex', this._positionPrevTex);\n  positionPass.setUniform('forceTex', this._forceTex);\n  positionPass.setUniform('forcePrevTex', this._forcePrevTex);\n  positionPass.render(renderer);\n\n  this._framebuffer.unbind(renderer);\n\n  this._swapTexture();\n};\n\nForceAtlas2GPU.prototype.update = function (renderer, steps, cb) {\n  if (steps == null) {\n    steps = 1;\n  }\n\n  steps = Math.max(steps, 1);\n\n  for (var i = 0; i < steps; i++) {\n    this.step(renderer);\n  }\n\n  cb && cb();\n};\n\nForceAtlas2GPU.prototype.getNodePositionTexture = function () {\n  return this._inited // Texture already been swapped.\n  ? this._positionPrevTex : this._positionSourceTex;\n};\n\nForceAtlas2GPU.prototype.getNodeUV = function (nodeIndex, uv) {\n  uv = uv || [];\n  var textureWidth = this._positionTex.width;\n  var textureHeight = this._positionTex.height;\n  uv[0] = nodeIndex % textureWidth / (textureWidth - 1);\n  uv[1] = Math.floor(nodeIndex / textureWidth) / (textureHeight - 1) || 0;\n  return uv;\n};\n\nForceAtlas2GPU.prototype.getNodePosition = function (renderer, out) {\n  var positionArr = this._positionArr;\n  var width = this._positionTex.width;\n  var height = this._positionTex.height;\n  var size = width * height;\n\n  if (!positionArr || positionArr.length !== size * 4) {\n    positionArr = this._positionArr = new Float32Array(size * 4);\n  }\n\n  this._framebuffer.bind(renderer);\n\n  this._framebuffer.attach(this._positionPrevTex);\n\n  renderer.gl.readPixels(0, 0, width, height, renderer.gl.RGBA, renderer.gl.FLOAT, positionArr);\n\n  this._framebuffer.unbind(renderer);\n\n  if (!out) {\n    out = new Float32Array(this._nodes.length * 2);\n  }\n\n  for (var i = 0; i < this._nodes.length; i++) {\n    out[i * 2] = positionArr[i * 4];\n    out[i * 2 + 1] = positionArr[i * 4 + 1];\n  }\n\n  return out;\n};\n\nForceAtlas2GPU.prototype.getTextureData = function (renderer, textureName) {\n  var tex = this['_' + textureName + 'Tex'];\n  var width = tex.width;\n  var height = tex.height;\n\n  this._framebuffer.bind(renderer);\n\n  this._framebuffer.attach(tex);\n\n  var arr = new Float32Array(width * height * 4);\n  renderer.gl.readPixels(0, 0, width, height, renderer.gl.RGBA, renderer.gl.FLOAT, arr);\n\n  this._framebuffer.unbind(renderer);\n\n  return arr;\n};\n\nForceAtlas2GPU.prototype.getTextureSize = function () {\n  return {\n    width: this._positionTex.width,\n    height: this._positionTex.height\n  };\n};\n\nForceAtlas2GPU.prototype.isFinished = function (maxSteps) {\n  return this._frame > maxSteps;\n};\n\nForceAtlas2GPU.prototype._swapTexture = function () {\n  var tmp = this._positionPrevTex;\n  this._positionPrevTex = this._positionTex;\n  this._positionTex = tmp;\n  var tmp = this._forcePrevTex;\n  this._forcePrevTex = this._forceTex;\n  this._forceTex = tmp;\n  var tmp = this._globalSpeedPrevTex;\n  this._globalSpeedPrevTex = this._globalSpeedTex;\n  this._globalSpeedTex = tmp;\n};\n\nForceAtlas2GPU.prototype._initFromSource = function (renderer) {\n  this._framebuffer.attach(this._positionPrevTex);\n\n  this._framebuffer.bind(renderer);\n\n  this._copyPass.setUniform('texture', this._positionSourceTex);\n\n  this._copyPass.render(renderer);\n\n  renderer.gl.clearColor(0, 0, 0, 0);\n\n  this._framebuffer.attach(this._forcePrevTex);\n\n  renderer.gl.clear(renderer.gl.COLOR_BUFFER_BIT);\n\n  this._framebuffer.attach(this._globalSpeedPrevTex);\n\n  renderer.gl.clear(renderer.gl.COLOR_BUFFER_BIT);\n\n  this._framebuffer.unbind(renderer);\n};\n\nForceAtlas2GPU.prototype._resize = function (width, height) {\n  ['_positionSourceTex', '_positionTex', '_positionPrevTex', '_forceTex', '_forcePrevTex'].forEach(function (texName) {\n    this[texName].width = width;\n    this[texName].height = height;\n    this[texName].dirty();\n  }, this);\n};\n\nForceAtlas2GPU.prototype.dispose = function (renderer) {\n  this._framebuffer.dispose(renderer);\n\n  this._copyPass.dispose(renderer);\n\n  this._nodeRepulsionPass.dispose(renderer);\n\n  this._positionPass.dispose(renderer);\n\n  this._globalSpeedPass.dispose(renderer);\n\n  this._edgeForceMesh.geometry.dispose(renderer);\n\n  this._weightedSumMesh.geometry.dispose(renderer);\n\n  this._positionSourceTex.dispose(renderer);\n\n  this._positionTex.dispose(renderer);\n\n  this._positionPrevTex.dispose(renderer);\n\n  this._forceTex.dispose(renderer);\n\n  this._forcePrevTex.dispose(renderer);\n\n  this._weightedSumTex.dispose(renderer);\n\n  this._globalSpeedTex.dispose(renderer);\n\n  this._globalSpeedPrevTex.dispose(renderer);\n};\n\nexport default ForceAtlas2GPU;","export default \"@export ecgl.forceAtlas2.updateNodeRepulsion\\n\\n#define NODE_COUNT 0\\n\\nuniform sampler2D positionTex;\\n\\nuniform vec2 textureSize;\\nuniform float gravity;\\nuniform float scaling;\\nuniform vec2 gravityCenter;\\n\\nuniform bool strongGravityMode;\\nuniform bool preventOverlap;\\n\\nvarying vec2 v_Texcoord;\\n\\nvoid main() {\\n\\n vec4 n0 = texture2D(positionTex, v_Texcoord);\\n\\n vec2 force = vec2(0.0);\\n for (int i = 0; i < NODE_COUNT; i++) {\\n vec2 uv = vec2(\\n mod(float(i), textureSize.x) / (textureSize.x - 1.0),\\n floor(float(i) / textureSize.x) / (textureSize.y - 1.0)\\n );\\n vec4 n1 = texture2D(positionTex, uv);\\n\\n vec2 dir = n0.xy - n1.xy;\\n float d2 = dot(dir, dir);\\n\\n if (d2 > 0.0) {\\n float factor = 0.0;\\n if (preventOverlap) {\\n float d = sqrt(d2);\\n d = d - n0.w - n1.w;\\n if (d > 0.0) {\\n factor = scaling * n0.z * n1.z / (d * d);\\n }\\n else if (d < 0.0) {\\n factor = scaling * 100.0 * n0.z * n1.z;\\n }\\n }\\n else {\\n factor = scaling * n0.z * n1.z / d2;\\n }\\n force += dir * factor;\\n }\\n }\\n\\n vec2 dir = gravityCenter - n0.xy;\\n float d = 1.0;\\n if (!strongGravityMode) {\\n d = length(dir);\\n }\\n\\n force += dir * n0.z * gravity / (d + 1.0);\\n\\n gl_FragColor = vec4(force, 0.0, 1.0);\\n}\\n@end\\n\\n@export ecgl.forceAtlas2.updateEdgeAttraction.vertex\\n\\nattribute vec2 node1;\\nattribute vec2 node2;\\nattribute float weight;\\n\\nuniform sampler2D positionTex;\\nuniform float edgeWeightInfluence;\\nuniform bool preventOverlap;\\nuniform bool linLogMode;\\n\\nuniform vec2 windowSize: WINDOW_SIZE;\\n\\nvarying vec2 v_Force;\\n\\nvoid main() {\\n\\n vec4 n0 = texture2D(positionTex, node1);\\n vec4 n1 = texture2D(positionTex, node2);\\n\\n vec2 dir = n1.xy - n0.xy;\\n float d = length(dir);\\n float w;\\n if (edgeWeightInfluence == 0.0) {\\n w = 1.0;\\n }\\n else if (edgeWeightInfluence == 1.0) {\\n w = weight;\\n }\\n else {\\n w = pow(weight, edgeWeightInfluence);\\n }\\n vec2 offset = vec2(1.0 / windowSize.x, 1.0 / windowSize.y);\\n vec2 scale = vec2((windowSize.x - 1.0) / windowSize.x, (windowSize.y - 1.0) / windowSize.y);\\n vec2 pos = node1 * scale * 2.0 - 1.0;\\n gl_Position = vec4(pos + offset, 0.0, 1.0);\\n gl_PointSize = 1.0;\\n\\n float factor;\\n if (preventOverlap) {\\n d = d - n1.w - n0.w;\\n }\\n if (d <= 0.0) {\\n v_Force = vec2(0.0);\\n return;\\n }\\n\\n if (linLogMode) {\\n factor = w * log(d) / d;\\n }\\n else {\\n factor = w;\\n }\\n v_Force = dir * factor;\\n}\\n@end\\n\\n@export ecgl.forceAtlas2.updateEdgeAttraction.fragment\\n\\nvarying vec2 v_Force;\\n\\nvoid main() {\\n gl_FragColor = vec4(v_Force, 0.0, 0.0);\\n}\\n@end\\n\\n@export ecgl.forceAtlas2.calcWeightedSum.vertex\\n\\nattribute vec2 node;\\n\\nvarying vec2 v_NodeUv;\\n\\nvoid main() {\\n\\n v_NodeUv = node;\\n gl_Position = vec4(0.0, 0.0, 0.0, 1.0);\\n gl_PointSize = 1.0;\\n}\\n@end\\n\\n@export ecgl.forceAtlas2.calcWeightedSum.fragment\\n\\nvarying vec2 v_NodeUv;\\n\\nuniform sampler2D positionTex;\\nuniform sampler2D forceTex;\\nuniform sampler2D forcePrevTex;\\n\\nvoid main() {\\n vec2 force = texture2D(forceTex, v_NodeUv).rg;\\n vec2 forcePrev = texture2D(forcePrevTex, v_NodeUv).rg;\\n\\n float mass = texture2D(positionTex, v_NodeUv).z;\\n float swing = length(force - forcePrev) * mass;\\n float traction = length(force + forcePrev) * 0.5 * mass;\\n\\n gl_FragColor = vec4(swing, traction, 0.0, 0.0);\\n}\\n@end\\n\\n@export ecgl.forceAtlas2.calcGlobalSpeed\\n\\nuniform sampler2D globalSpeedPrevTex;\\nuniform sampler2D weightedSumTex;\\nuniform float jitterTolerence;\\n\\nvoid main() {\\n vec2 weightedSum = texture2D(weightedSumTex, vec2(0.5)).xy;\\n float prevGlobalSpeed = texture2D(globalSpeedPrevTex, vec2(0.5)).x;\\n float globalSpeed = jitterTolerence * jitterTolerence\\n * weightedSum.y / weightedSum.x;\\n if (prevGlobalSpeed > 0.0) {\\n globalSpeed = min(globalSpeed / prevGlobalSpeed, 1.5) * prevGlobalSpeed;\\n }\\n gl_FragColor = vec4(globalSpeed, 0.0, 0.0, 1.0);\\n}\\n@end\\n\\n@export ecgl.forceAtlas2.updatePosition\\n\\nuniform sampler2D forceTex;\\nuniform sampler2D forcePrevTex;\\nuniform sampler2D positionTex;\\nuniform sampler2D globalSpeedTex;\\n\\nvarying vec2 v_Texcoord;\\n\\nvoid main() {\\n vec2 force = texture2D(forceTex, v_Texcoord).xy;\\n vec2 forcePrev = texture2D(forcePrevTex, v_Texcoord).xy;\\n vec4 node = texture2D(positionTex, v_Texcoord);\\n\\n float globalSpeed = texture2D(globalSpeedTex, vec2(0.5)).r;\\n float swing = length(force - forcePrev);\\n float speed = 0.1 * globalSpeed / (0.1 + globalSpeed * sqrt(swing));\\n\\n float df = length(force);\\n if (df > 0.0) {\\n speed = min(df * speed, 10.0) / df;\\n\\n gl_FragColor = vec4(node.xy + speed * force, node.zw);\\n }\\n else {\\n gl_FragColor = node;\\n }\\n}\\n@end\\n\\n@export ecgl.forceAtlas2.edges.vertex\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\n\\nattribute vec2 node;\\nattribute vec4 a_Color : COLOR;\\nvarying vec4 v_Color;\\n\\nuniform sampler2D positionTex;\\n\\nvoid main()\\n{\\n gl_Position = worldViewProjection * vec4(\\n texture2D(positionTex, node).xy, -10.0, 1.0\\n );\\n v_Color = a_Color;\\n}\\n@end\\n\\n@export ecgl.forceAtlas2.edges.fragment\\nuniform vec4 color : [1.0, 1.0, 1.0, 1.0];\\nvarying vec4 v_Color;\\nvoid main() {\\n gl_FragColor = color * v_Color;\\n}\\n@end\";","import Texture2D from 'claygl/src/Texture2D';\nimport Texture from 'claygl/src/Texture';\nimport workerFunc from './forceAtlas2Worker.js';\nvar workerUrl = workerFunc.toString();\nworkerUrl = workerUrl.slice(workerUrl.indexOf('{') + 1, workerUrl.lastIndexOf('}'));\nvar defaultConfigs = {\n  barnesHutOptimize: true,\n  barnesHutTheta: 1.5,\n  repulsionByDegree: true,\n  linLogMode: false,\n  strongGravityMode: false,\n  gravity: 1.0,\n  scaling: 1.0,\n  edgeWeightInfluence: 1.0,\n  jitterTolerence: 0.1,\n  preventOverlap: false,\n  dissuadeHubs: false,\n  gravityCenter: null\n};\n\nvar ForceAtlas2 = function (options) {\n  for (var name in defaultConfigs) {\n    this[name] = defaultConfigs[name];\n  }\n\n  if (options) {\n    for (var name in options) {\n      this[name] = options[name];\n    }\n  }\n\n  this._nodes = [];\n  this._edges = [];\n  this._disposed = false;\n  this._positionTex = new Texture2D({\n    type: Texture.FLOAT,\n    flipY: false,\n    minFilter: Texture.NEAREST,\n    magFilter: Texture.NEAREST\n  });\n};\n\nForceAtlas2.prototype.initData = function (nodes, edges) {\n  var bb = new Blob([workerUrl]);\n  var blobURL = window.URL.createObjectURL(bb);\n  this._worker = new Worker(blobURL);\n  this._worker.onmessage = this._$onupdate.bind(this);\n  this._nodes = nodes;\n  this._edges = edges;\n  this._frame = 0;\n  var nNodes = nodes.length;\n  var nEdges = edges.length;\n  var positionArr = new Float32Array(nNodes * 2);\n  var massArr = new Float32Array(nNodes);\n  var sizeArr = new Float32Array(nNodes);\n  var edgeArr = new Float32Array(nEdges * 2);\n  var edgeWeightArr = new Float32Array(nEdges);\n\n  for (var i = 0; i < nodes.length; i++) {\n    var node = nodes[i];\n    positionArr[i * 2] = node.x;\n    positionArr[i * 2 + 1] = node.y;\n    massArr[i] = node.mass == null ? 1 : node.mass;\n    sizeArr[i] = node.size == null ? 1 : node.size;\n  }\n\n  for (var i = 0; i < edges.length; i++) {\n    var edge = edges[i];\n    var source = edge.node1;\n    var target = edge.node2;\n    edgeArr[i * 2] = source;\n    edgeArr[i * 2 + 1] = target;\n    edgeWeightArr[i] = edge.weight == null ? 1 : edge.weight;\n  }\n\n  var textureWidth = Math.ceil(Math.sqrt(nodes.length));\n  var textureHeight = textureWidth;\n  var pixels = new Float32Array(textureWidth * textureHeight * 4);\n  var positionTex = this._positionTex;\n  positionTex.width = textureWidth;\n  positionTex.height = textureHeight;\n  positionTex.pixels = pixels;\n\n  this._worker.postMessage({\n    cmd: 'init',\n    nodesPosition: positionArr,\n    nodesMass: massArr,\n    nodesSize: sizeArr,\n    edges: edgeArr,\n    edgesWeight: edgeWeightArr\n  });\n\n  this._globalSpeed = Infinity;\n};\n\nForceAtlas2.prototype.updateOption = function (options) {\n  var config = {}; // Default config\n\n  for (var name in defaultConfigs) {\n    config[name] = defaultConfigs[name];\n  }\n\n  var nodes = this._nodes;\n  var edges = this._edges; // Config according to data scale\n\n  var nNodes = nodes.length;\n\n  if (nNodes > 50000) {\n    config.jitterTolerence = 10;\n  } else if (nNodes > 5000) {\n    config.jitterTolerence = 1;\n  } else {\n    config.jitterTolerence = 0.1;\n  }\n\n  if (nNodes > 100) {\n    config.scaling = 2.0;\n  } else {\n    config.scaling = 10.0;\n  }\n\n  if (nNodes > 1000) {\n    config.barnesHutOptimize = true;\n  } else {\n    config.barnesHutOptimize = false;\n  }\n\n  if (options) {\n    for (var name in defaultConfigs) {\n      if (options[name] != null) {\n        config[name] = options[name];\n      }\n    }\n  }\n\n  if (!config.gravityCenter) {\n    var min = [Infinity, Infinity];\n    var max = [-Infinity, -Infinity];\n\n    for (var i = 0; i < nodes.length; i++) {\n      min[0] = Math.min(nodes[i].x, min[0]);\n      min[1] = Math.min(nodes[i].y, min[1]);\n      max[0] = Math.max(nodes[i].x, max[0]);\n      max[1] = Math.max(nodes[i].y, max[1]);\n    }\n\n    config.gravityCenter = [(min[0] + max[0]) * 0.5, (min[1] + max[1]) * 0.5];\n  } // Update inDegree, outDegree\n\n\n  for (var i = 0; i < edges.length; i++) {\n    var node1 = edges[i].node1;\n    var node2 = edges[i].node2;\n    nodes[node1].degree = (nodes[node1].degree || 0) + 1;\n    nodes[node2].degree = (nodes[node2].degree || 0) + 1;\n  }\n\n  if (this._worker) {\n    this._worker.postMessage({\n      cmd: 'updateConfig',\n      config: config\n    });\n  }\n}; // Steps per call, to keep sync with rendering\n\n\nForceAtlas2.prototype.update = function (renderer, steps, cb) {\n  if (steps == null) {\n    steps = 1;\n  }\n\n  steps = Math.max(steps, 1);\n  this._frame += steps;\n  this._onupdate = cb;\n\n  if (this._worker) {\n    this._worker.postMessage({\n      cmd: 'update',\n      steps: Math.round(steps)\n    });\n  }\n};\n\nForceAtlas2.prototype._$onupdate = function (e) {\n  // Incase the worker keep postMessage of last frame after it is disposed\n  if (this._disposed) {\n    return;\n  }\n\n  var positionArr = new Float32Array(e.data.buffer);\n  this._globalSpeed = e.data.globalSpeed;\n  this._positionArr = positionArr;\n\n  this._updateTexture(positionArr);\n\n  this._onupdate && this._onupdate();\n};\n\nForceAtlas2.prototype.getNodePositionTexture = function () {\n  return this._positionTex;\n};\n\nForceAtlas2.prototype.getNodeUV = function (nodeIndex, uv) {\n  uv = uv || [];\n  var textureWidth = this._positionTex.width;\n  var textureHeight = this._positionTex.height;\n  uv[0] = nodeIndex % textureWidth / (textureWidth - 1);\n  uv[1] = Math.floor(nodeIndex / textureWidth) / (textureHeight - 1);\n  return uv;\n};\n\nForceAtlas2.prototype.getNodes = function () {\n  return this._nodes;\n};\n\nForceAtlas2.prototype.getEdges = function () {\n  return this._edges;\n};\n\nForceAtlas2.prototype.isFinished = function (maxSteps) {\n  return this._frame > maxSteps;\n};\n\nForceAtlas2.prototype.getNodePosition = function (renderer, out) {\n  if (!out) {\n    out = new Float32Array(this._nodes.length * 2);\n  }\n\n  if (this._positionArr) {\n    for (var i = 0; i < this._positionArr.length; i++) {\n      out[i] = this._positionArr[i];\n    }\n  }\n\n  return out;\n};\n\nForceAtlas2.prototype._updateTexture = function (positionArr) {\n  var pixels = this._positionTex.pixels;\n  var offset = 0;\n\n  for (var i = 0; i < positionArr.length;) {\n    pixels[offset++] = positionArr[i++];\n    pixels[offset++] = positionArr[i++];\n    pixels[offset++] = 1;\n    pixels[offset++] = 1;\n  }\n\n  this._positionTex.dirty();\n};\n\nForceAtlas2.prototype.dispose = function (renderer) {\n  this._disposed = true;\n  this._worker = null;\n};\n\nexport default ForceAtlas2;","/****************************\n * Vector2 math functions\n ***************************/\nfunction forceAtlas2Worker() {\n  var vec2 = {\n    create: function () {\n      return new Float32Array(2);\n    },\n    dist: function (a, b) {\n      var x = b[0] - a[0];\n      var y = b[1] - a[1];\n      return Math.sqrt(x * x + y * y);\n    },\n    len: function (a) {\n      var x = a[0];\n      var y = a[1];\n      return Math.sqrt(x * x + y * y);\n    },\n    scaleAndAdd: function (out, a, b, scale) {\n      out[0] = a[0] + b[0] * scale;\n      out[1] = a[1] + b[1] * scale;\n      return out;\n    },\n    scale: function (out, a, b) {\n      out[0] = a[0] * b;\n      out[1] = a[1] * b;\n      return out;\n    },\n    add: function (out, a, b) {\n      out[0] = a[0] + b[0];\n      out[1] = a[1] + b[1];\n      return out;\n    },\n    sub: function (out, a, b) {\n      out[0] = a[0] - b[0];\n      out[1] = a[1] - b[1];\n      return out;\n    },\n    normalize: function (out, a) {\n      var x = a[0];\n      var y = a[1];\n      var len = x * x + y * y;\n\n      if (len > 0) {\n        //TODO: evaluate use of glm_invsqrt here?\n        len = 1 / Math.sqrt(len);\n        out[0] = a[0] * len;\n        out[1] = a[1] * len;\n      }\n\n      return out;\n    },\n    negate: function (out, a) {\n      out[0] = -a[0];\n      out[1] = -a[1];\n      return out;\n    },\n    copy: function (out, a) {\n      out[0] = a[0];\n      out[1] = a[1];\n      return out;\n    },\n    set: function (out, x, y) {\n      out[0] = x;\n      out[1] = y;\n      return out;\n    }\n  };\n  /****************************\n   * Class: Region\n   ***************************/\n\n  function Region() {\n    this.subRegions = [];\n    this.nSubRegions = 0;\n    this.node = null;\n    this.mass = 0;\n    this.centerOfMass = null;\n    this.bbox = new Float32Array(4);\n    this.size = 0;\n  }\n\n  var regionProto = Region.prototype; // Reset before update\n\n  regionProto.beforeUpdate = function () {\n    for (var i = 0; i < this.nSubRegions; i++) {\n      this.subRegions[i].beforeUpdate();\n    }\n\n    this.mass = 0;\n\n    if (this.centerOfMass) {\n      this.centerOfMass[0] = 0;\n      this.centerOfMass[1] = 0;\n    }\n\n    this.nSubRegions = 0;\n    this.node = null;\n  }; // Clear after update\n\n\n  regionProto.afterUpdate = function () {\n    this.subRegions.length = this.nSubRegions;\n\n    for (var i = 0; i < this.nSubRegions; i++) {\n      this.subRegions[i].afterUpdate();\n    }\n  };\n\n  regionProto.addNode = function (node) {\n    if (this.nSubRegions === 0) {\n      if (this.node == null) {\n        this.node = node;\n        return;\n      } // Already have node, subdivide self.\n      else {\n          this._addNodeToSubRegion(this.node);\n\n          this.node = null;\n        }\n    }\n\n    this._addNodeToSubRegion(node);\n\n    this._updateCenterOfMass(node);\n  };\n\n  regionProto.findSubRegion = function (x, y) {\n    for (var i = 0; i < this.nSubRegions; i++) {\n      var region = this.subRegions[i];\n\n      if (region.contain(x, y)) {\n        return region;\n      }\n    }\n  };\n\n  regionProto.contain = function (x, y) {\n    return this.bbox[0] <= x && this.bbox[2] >= x && this.bbox[1] <= y && this.bbox[3] >= y;\n  };\n\n  regionProto.setBBox = function (minX, minY, maxX, maxY) {\n    // Min\n    this.bbox[0] = minX;\n    this.bbox[1] = minY; // Max\n\n    this.bbox[2] = maxX;\n    this.bbox[3] = maxY;\n    this.size = (maxX - minX + maxY - minY) / 2;\n  };\n\n  regionProto._newSubRegion = function () {\n    var subRegion = this.subRegions[this.nSubRegions];\n\n    if (!subRegion) {\n      subRegion = new Region();\n      this.subRegions[this.nSubRegions] = subRegion;\n    }\n\n    this.nSubRegions++;\n    return subRegion;\n  };\n\n  regionProto._addNodeToSubRegion = function (node) {\n    var subRegion = this.findSubRegion(node.position[0], node.position[1]);\n    var bbox = this.bbox;\n\n    if (!subRegion) {\n      var cx = (bbox[0] + bbox[2]) / 2;\n      var cy = (bbox[1] + bbox[3]) / 2;\n      var w = (bbox[2] - bbox[0]) / 2;\n      var h = (bbox[3] - bbox[1]) / 2;\n      var xi = node.position[0] >= cx ? 1 : 0;\n      var yi = node.position[1] >= cy ? 1 : 0;\n\n      var subRegion = this._newSubRegion(); // Min\n\n\n      subRegion.setBBox( // Min\n      xi * w + bbox[0], yi * h + bbox[1], // Max\n      (xi + 1) * w + bbox[0], (yi + 1) * h + bbox[1]);\n    }\n\n    subRegion.addNode(node);\n  };\n\n  regionProto._updateCenterOfMass = function (node) {\n    // Incrementally update\n    if (this.centerOfMass == null) {\n      this.centerOfMass = new Float32Array(2);\n    }\n\n    var x = this.centerOfMass[0] * this.mass;\n    var y = this.centerOfMass[1] * this.mass;\n    x += node.position[0] * node.mass;\n    y += node.position[1] * node.mass;\n    this.mass += node.mass;\n    this.centerOfMass[0] = x / this.mass;\n    this.centerOfMass[1] = y / this.mass;\n  };\n  /****************************\n   * Class: Graph Node\n   ***************************/\n\n\n  function GraphNode() {\n    this.position = new Float32Array(2);\n    this.force = vec2.create();\n    this.forcePrev = vec2.create(); // If repulsionByDegree is true\n    //  mass = inDegree + outDegree + 1\n    // Else\n    //  mass is manually set\n\n    this.mass = 1;\n    this.inDegree = 0;\n    this.outDegree = 0; // Optional\n    // this.size = 1;\n  }\n  /****************************\n   * Class: Graph Edge\n   ***************************/\n\n\n  function GraphEdge(source, target) {\n    this.source = source;\n    this.target = target;\n    this.weight = 1;\n  }\n  /****************************\n   * Class: ForceStlas2\n   ***************************/\n\n\n  function ForceAtlas2() {\n    //-------------\n    // Configs\n    // If auto settings is true\n    //  barnesHutOptimize,\n    //  barnesHutTheta,\n    //  scaling,\n    //  jitterTolerence\n    // Will be set by the system automatically\n    //  preventOverlap will be set false\n    //  if node size is not given\n    this.autoSettings = true; // Barnes Hut\n    // http://arborjs.org/docs/barnes-hut\n\n    this.barnesHutOptimize = true;\n    this.barnesHutTheta = 1.5; // Force Atlas2 Configs\n\n    this.repulsionByDegree = true;\n    this.linLogMode = false;\n    this.strongGravityMode = false;\n    this.gravity = 1.0;\n    this.scaling = 1.0;\n    this.edgeWeightInfluence = 1.0;\n    this.jitterTolerence = 0.1; // TODO\n\n    this.preventOverlap = false;\n    this.dissuadeHubs = false; //\n\n    this.rootRegion = new Region();\n    this.rootRegion.centerOfMass = vec2.create();\n    this.nodes = [];\n    this.edges = [];\n    this.bbox = new Float32Array(4);\n    this.gravityCenter = null;\n    this._massArr = null;\n    this._swingingArr = null;\n    this._sizeArr = null;\n    this._globalSpeed = 0;\n  }\n\n  var forceAtlas2Proto = ForceAtlas2.prototype;\n\n  forceAtlas2Proto.initNodes = function (positionArr, massArr, sizeArr) {\n    var nNodes = massArr.length;\n    this.nodes.length = 0;\n    var haveSize = typeof sizeArr != 'undefined';\n\n    for (var i = 0; i < nNodes; i++) {\n      var node = new GraphNode();\n      node.position[0] = positionArr[i * 2];\n      node.position[1] = positionArr[i * 2 + 1];\n      node.mass = massArr[i];\n\n      if (haveSize) {\n        node.size = sizeArr[i];\n      }\n\n      this.nodes.push(node);\n    }\n\n    this._massArr = massArr;\n    this._swingingArr = new Float32Array(nNodes);\n\n    if (haveSize) {\n      this._sizeArr = sizeArr;\n    }\n  };\n\n  forceAtlas2Proto.initEdges = function (edgeArr, edgeWeightArr) {\n    var nEdges = edgeArr.length / 2;\n    this.edges.length = 0;\n\n    for (var i = 0; i < nEdges; i++) {\n      var sIdx = edgeArr[i * 2];\n      var tIdx = edgeArr[i * 2 + 1];\n      var sNode = this.nodes[sIdx];\n      var tNode = this.nodes[tIdx];\n\n      if (!sNode || !tNode) {\n        console.error('Node not exists, try initNodes before initEdges');\n        return;\n      }\n\n      sNode.outDegree++;\n      tNode.inDegree++;\n      var edge = new GraphEdge(sNode, tNode);\n\n      if (edgeWeightArr) {\n        edge.weight = edgeWeightArr[i];\n      }\n\n      this.edges.push(edge);\n    }\n  };\n\n  forceAtlas2Proto.updateSettings = function () {\n    if (this.repulsionByDegree) {\n      for (var i = 0; i < this.nodes.length; i++) {\n        var node = this.nodes[i];\n        node.mass = node.inDegree + node.outDegree + 1;\n      }\n    } else {\n      for (var i = 0; i < this.nodes.length; i++) {\n        var node = this.nodes[i];\n        node.mass = this._massArr[i];\n      }\n    }\n  };\n\n  forceAtlas2Proto.update = function () {\n    var nNodes = this.nodes.length;\n    this.updateSettings();\n    this.updateBBox(); // Update region\n\n    if (this.barnesHutOptimize) {\n      this.rootRegion.setBBox(this.bbox[0], this.bbox[1], this.bbox[2], this.bbox[3]);\n      this.rootRegion.beforeUpdate();\n\n      for (var i = 0; i < nNodes; i++) {\n        this.rootRegion.addNode(this.nodes[i]);\n      }\n\n      this.rootRegion.afterUpdate();\n    } // Reset forces\n\n\n    for (var i = 0; i < nNodes; i++) {\n      var node = this.nodes[i];\n      vec2.copy(node.forcePrev, node.force);\n      vec2.set(node.force, 0, 0);\n    } // Compute forces\n    // Repulsion\n\n\n    for (var i = 0; i < nNodes; i++) {\n      var na = this.nodes[i];\n\n      if (this.barnesHutOptimize) {\n        this.applyRegionToNodeRepulsion(this.rootRegion, na);\n      } else {\n        for (var j = i + 1; j < nNodes; j++) {\n          var nb = this.nodes[j];\n          this.applyNodeToNodeRepulsion(na, nb, false);\n        }\n      } // Gravity\n\n\n      if (this.gravity > 0) {\n        if (this.strongGravityMode) {\n          this.applyNodeStrongGravity(na);\n        } else {\n          this.applyNodeGravity(na);\n        }\n      }\n    } // Attraction\n\n\n    for (var i = 0; i < this.edges.length; i++) {\n      this.applyEdgeAttraction(this.edges[i]);\n    } // Handle swinging\n\n\n    var swingWeightedSum = 0;\n    var tractionWeightedSum = 0;\n    var tmp = vec2.create();\n\n    for (var i = 0; i < nNodes; i++) {\n      var node = this.nodes[i];\n      var swing = vec2.dist(node.force, node.forcePrev);\n      swingWeightedSum += swing * node.mass;\n      vec2.add(tmp, node.force, node.forcePrev);\n      var traction = vec2.len(tmp) * 0.5;\n      tractionWeightedSum += traction * node.mass; // Save the value for using later\n\n      this._swingingArr[i] = swing;\n    }\n\n    var globalSpeed = this.jitterTolerence * this.jitterTolerence * tractionWeightedSum / swingWeightedSum; // NB: During our tests we observed that an excessive rise of the global speed could have a negative impact.\n    // That’s why we limited the increase of global speed s(t)(G) to 50% of the previous step s(t−1)(G).\n\n    if (this._globalSpeed > 0) {\n      globalSpeed = Math.min(globalSpeed / this._globalSpeed, 1.5) * this._globalSpeed;\n    }\n\n    this._globalSpeed = globalSpeed; // Apply forces\n\n    for (var i = 0; i < nNodes; i++) {\n      var node = this.nodes[i];\n      var swing = this._swingingArr[i];\n      var speed = 0.1 * globalSpeed / (1 + globalSpeed * Math.sqrt(swing)); // Additional constraint to prevent local speed gets too high\n\n      var df = vec2.len(node.force);\n\n      if (df > 0) {\n        speed = Math.min(df * speed, 10) / df;\n        vec2.scaleAndAdd(node.position, node.position, node.force, speed);\n      }\n    }\n  };\n\n  forceAtlas2Proto.applyRegionToNodeRepulsion = function () {\n    var v = vec2.create();\n    return function applyRegionToNodeRepulsion(region, node) {\n      if (region.node) {\n        // Region is a leaf\n        this.applyNodeToNodeRepulsion(region.node, node, true);\n      } else {\n        vec2.sub(v, node.position, region.centerOfMass);\n        var d2 = v[0] * v[0] + v[1] * v[1];\n\n        if (d2 > this.barnesHutTheta * region.size * region.size) {\n          var factor = this.scaling * node.mass * region.mass / d2;\n          vec2.scaleAndAdd(node.force, node.force, v, factor);\n        } else {\n          for (var i = 0; i < region.nSubRegions; i++) {\n            this.applyRegionToNodeRepulsion(region.subRegions[i], node);\n          }\n        }\n      }\n    };\n  }();\n\n  forceAtlas2Proto.applyNodeToNodeRepulsion = function () {\n    var v = vec2.create();\n    return function applyNodeToNodeRepulsion(na, nb, oneWay) {\n      if (na == nb) {\n        return;\n      }\n\n      vec2.sub(v, na.position, nb.position);\n      var d2 = v[0] * v[0] + v[1] * v[1]; // PENDING\n\n      if (d2 === 0) {\n        return;\n      }\n\n      var factor;\n\n      if (this.preventOverlap) {\n        var d = Math.sqrt(d2);\n        d = d - na.size - nb.size;\n\n        if (d > 0) {\n          factor = this.scaling * na.mass * nb.mass / (d * d);\n        } else if (d < 0) {\n          // A stronger repulsion if overlap\n          factor = this.scaling * 100 * na.mass * nb.mass;\n        } else {\n          // No repulsion\n          return;\n        }\n      } else {\n        // Divide factor by an extra `d` to normalize the `v`\n        factor = this.scaling * na.mass * nb.mass / d2;\n      }\n\n      vec2.scaleAndAdd(na.force, na.force, v, factor);\n      vec2.scaleAndAdd(nb.force, nb.force, v, -factor);\n    };\n  }();\n\n  forceAtlas2Proto.applyEdgeAttraction = function () {\n    var v = vec2.create();\n    return function applyEdgeAttraction(edge) {\n      var na = edge.source;\n      var nb = edge.target;\n      vec2.sub(v, na.position, nb.position);\n      var d = vec2.len(v);\n      var w;\n\n      if (this.edgeWeightInfluence === 0) {\n        w = 1;\n      } else if (this.edgeWeightInfluence === 1) {\n        w = edge.weight;\n      } else {\n        w = Math.pow(edge.weight, this.edgeWeightInfluence);\n      }\n\n      var factor;\n\n      if (this.preventOverlap) {\n        d = d - na.size - nb.size;\n\n        if (d <= 0) {\n          // No attraction\n          return;\n        }\n      }\n\n      if (this.linLogMode) {\n        // Divide factor by an extra `d` to normalize the `v`\n        factor = -w * Math.log(d + 1) / (d + 1);\n      } else {\n        factor = -w;\n      }\n\n      vec2.scaleAndAdd(na.force, na.force, v, factor);\n      vec2.scaleAndAdd(nb.force, nb.force, v, -factor);\n    };\n  }();\n\n  forceAtlas2Proto.applyNodeGravity = function () {\n    var v = vec2.create();\n    return function (node) {\n      vec2.sub(v, this.gravityCenter, node.position);\n      var d = vec2.len(v);\n      vec2.scaleAndAdd(node.force, node.force, v, this.gravity * node.mass / (d + 1));\n    };\n  }();\n\n  forceAtlas2Proto.applyNodeStrongGravity = function () {\n    var v = vec2.create();\n    return function (node) {\n      vec2.sub(v, this.gravityCenter, node.position);\n      vec2.scaleAndAdd(node.force, node.force, v, this.gravity * node.mass);\n    };\n  }();\n\n  forceAtlas2Proto.updateBBox = function () {\n    var minX = Infinity;\n    var minY = Infinity;\n    var maxX = -Infinity;\n    var maxY = -Infinity;\n\n    for (var i = 0; i < this.nodes.length; i++) {\n      var pos = this.nodes[i].position;\n      minX = Math.min(minX, pos[0]);\n      minY = Math.min(minY, pos[1]);\n      maxX = Math.max(maxX, pos[0]);\n      maxY = Math.max(maxY, pos[1]);\n    }\n\n    this.bbox[0] = minX;\n    this.bbox[1] = minY;\n    this.bbox[2] = maxX;\n    this.bbox[3] = maxY;\n  };\n\n  forceAtlas2Proto.getGlobalSpeed = function () {\n    return this._globalSpeed;\n  };\n  /****************************\n   * Main process\n   ***************************/\n\n\n  var forceAtlas2 = null;\n\n  self.onmessage = function (e) {\n    switch (e.data.cmd) {\n      case 'init':\n        forceAtlas2 = new ForceAtlas2();\n        forceAtlas2.initNodes(e.data.nodesPosition, e.data.nodesMass, e.data.nodesSize);\n        forceAtlas2.initEdges(e.data.edges, e.data.edgesWeight);\n        break;\n\n      case 'updateConfig':\n        if (forceAtlas2) {\n          for (var name in e.data.config) {\n            forceAtlas2[name] = e.data.config[name];\n          }\n        }\n\n        break;\n\n      case 'update':\n        var steps = e.data.steps;\n\n        if (forceAtlas2) {\n          for (var i = 0; i < steps; i++) {\n            forceAtlas2.update();\n          }\n\n          var nNodes = forceAtlas2.nodes.length;\n          var positionArr = new Float32Array(nNodes * 2); // Callback\n\n          for (var i = 0; i < nNodes; i++) {\n            var node = forceAtlas2.nodes[i];\n            positionArr[i * 2] = node.position[0];\n            positionArr[i * 2 + 1] = node.position[1];\n          }\n\n          self.postMessage({\n            buffer: positionArr.buffer,\n            globalSpeed: forceAtlas2.getGlobalSpeed()\n          }, [positionArr.buffer]);\n        } else {\n          // Not initialzied yet\n          var emptyArr = new Float32Array(); // Post transfer object\n\n          self.postMessage({\n            buffer: emptyArr.buffer,\n            globalSpeed: forceAtlas2.getGlobalSpeed()\n          }, [emptyArr.buffer]);\n        }\n\n        break;\n    }\n  };\n}\n\nexport default forceAtlas2Worker;","import Base from 'claygl/src/core/Base';\nimport retrieve from './retrieve';\n/**\n * @alias module:echarts-gl/util/Roam2DControl\n */\n\nvar Roam2DControl = Base.extend(function () {\n  return {\n    /**\n     * @type {module:zrender~ZRender}\n     */\n    zr: null,\n\n    /**\n     * @type {module:echarts-gl/core/ViewGL}\n     */\n    viewGL: null,\n    minZoom: 0.2,\n    maxZoom: 5,\n    _needsUpdate: false,\n    _dx: 0,\n    _dy: 0,\n    _zoom: 1\n  };\n}, function () {\n  // Each Roam2DControl has it's own handler\n  this._mouseDownHandler = this._mouseDownHandler.bind(this);\n  this._mouseWheelHandler = this._mouseWheelHandler.bind(this);\n  this._mouseMoveHandler = this._mouseMoveHandler.bind(this);\n  this._mouseUpHandler = this._mouseUpHandler.bind(this);\n  this._update = this._update.bind(this);\n}, {\n  init: function () {\n    var zr = this.zr;\n    zr.on('mousedown', this._mouseDownHandler);\n    zr.on('mousewheel', this._mouseWheelHandler);\n    zr.on('globalout', this._mouseUpHandler);\n    zr.animation.on('frame', this._update);\n  },\n  setTarget: function (target) {\n    this._target = target;\n  },\n  setZoom: function (zoom) {\n    this._zoom = Math.max(Math.min(zoom, this.maxZoom), this.minZoom);\n    this._needsUpdate = true;\n  },\n  setOffset: function (offset) {\n    this._dx = offset[0];\n    this._dy = offset[1];\n    this._needsUpdate = true;\n  },\n  getZoom: function () {\n    return this._zoom;\n  },\n  getOffset: function () {\n    return [this._dx, this._dy];\n  },\n  _update: function () {\n    if (!this._target) {\n      return;\n    }\n\n    if (!this._needsUpdate) {\n      return;\n    }\n\n    var target = this._target;\n    var scale = this._zoom;\n    target.position.x = this._dx;\n    target.position.y = this._dy;\n    target.scale.set(scale, scale, scale);\n    this.zr.refresh();\n    this._needsUpdate = false;\n    this.trigger('update');\n  },\n  _mouseDownHandler: function (e) {\n    if (e.target) {\n      return;\n    }\n\n    var x = e.offsetX;\n    var y = e.offsetY;\n\n    if (this.viewGL && !this.viewGL.containPoint(x, y)) {\n      return;\n    }\n\n    this.zr.on('mousemove', this._mouseMoveHandler);\n    this.zr.on('mouseup', this._mouseUpHandler);\n\n    var pos = this._convertPos(x, y);\n\n    this._x = pos.x;\n    this._y = pos.y;\n  },\n  // Convert pos from screen space to viewspace.\n  _convertPos: function (x, y) {\n    var camera = this.viewGL.camera;\n    var viewport = this.viewGL.viewport; // PENDING\n\n    return {\n      x: (x - viewport.x) / viewport.width * (camera.right - camera.left) + camera.left,\n      y: (y - viewport.y) / viewport.height * (camera.bottom - camera.top) + camera.top\n    };\n  },\n  _mouseMoveHandler: function (e) {\n    var pos = this._convertPos(e.offsetX, e.offsetY);\n\n    this._dx += pos.x - this._x;\n    this._dy += pos.y - this._y;\n    this._x = pos.x;\n    this._y = pos.y;\n    this._needsUpdate = true;\n  },\n  _mouseUpHandler: function (e) {\n    this.zr.off('mousemove', this._mouseMoveHandler);\n    this.zr.off('mouseup', this._mouseUpHandler);\n  },\n  _mouseWheelHandler: function (e) {\n    e = e.event;\n    var delta = e.wheelDelta // Webkit\n    || -e.detail; // Firefox\n\n    if (delta === 0) {\n      return;\n    }\n\n    var x = e.offsetX;\n    var y = e.offsetY;\n\n    if (this.viewGL && !this.viewGL.containPoint(x, y)) {\n      return;\n    }\n\n    var zoomScale = delta > 0 ? 1.1 : 0.9;\n    var newZoom = Math.max(Math.min(this._zoom * zoomScale, this.maxZoom), this.minZoom);\n    zoomScale = newZoom / this._zoom;\n\n    var pos = this._convertPos(x, y);\n\n    var fixX = (pos.x - this._dx) * (zoomScale - 1);\n    var fixY = (pos.y - this._dy) * (zoomScale - 1);\n    this._dx -= fixX;\n    this._dy -= fixY;\n    this._zoom = newZoom;\n    this._needsUpdate = true;\n  },\n  dispose: function () {\n    var zr = this.zr;\n    zr.off('mousedown', this._mouseDownHandler);\n    zr.off('mousemove', this._mouseMoveHandler);\n    zr.off('mouseup', this._mouseUpHandler);\n    zr.off('mousewheel', this._mouseWheelHandler);\n    zr.off('globalout', this._mouseUpHandler);\n    zr.animation.off('frame', this._update);\n  }\n});\nexport default Roam2DControl;","import * as echarts from 'echarts/lib/echarts';\nimport { getLayoutRect } from 'echarts/lib/util/layout';\nimport graphicGL from '../../util/graphicGL';\nimport ViewGL from '../../core/ViewGL';\nimport Lines2DGeometry from '../../util/geometry/Lines2D';\nimport retrieve from '../../util/retrieve';\nimport ForceAtlas2GPU from './ForceAtlas2GPU';\nimport ForceAtlas2 from './ForceAtlas2';\nimport requestAnimationFrame from 'zrender/lib/animation/requestAnimationFrame';\nimport glmatrix from 'claygl/src/dep/glmatrix';\nimport { getItemVisualColor, getItemVisualOpacity } from '../../util/visual';\nvar vec2 = glmatrix.vec2;\nimport Roam2DControl from '../../util/Roam2DControl';\nimport PointsBuilder from '../common/PointsBuilder';\nimport lines2DGLSL from '../../util/shader/lines2D.glsl.js';\ngraphicGL.Shader.import(lines2DGLSL);\nvar globalLayoutId = 1;\nexport default echarts.ChartView.extend({\n  type: 'graphGL',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this.groupGL = new graphicGL.Node();\n    this.viewGL = new ViewGL('orthographic');\n    this.viewGL.camera.left = this.viewGL.camera.right = 0;\n    this.viewGL.add(this.groupGL);\n    this._pointsBuilder = new PointsBuilder(true, api); // Mesh used during force directed layout.\n\n    this._forceEdgesMesh = new graphicGL.Mesh({\n      material: new graphicGL.Material({\n        shader: graphicGL.createShader('ecgl.forceAtlas2.edges'),\n        transparent: true,\n        depthMask: false,\n        depthTest: false\n      }),\n      $ignorePicking: true,\n      geometry: new graphicGL.Geometry({\n        attributes: {\n          node: new graphicGL.Geometry.Attribute('node', 'float', 2),\n          color: new graphicGL.Geometry.Attribute('color', 'float', 4, 'COLOR')\n        },\n        dynamic: true,\n        mainAttribute: 'node'\n      }),\n      renderOrder: -1,\n      mode: graphicGL.Mesh.LINES\n    }); // Mesh used after force directed layout.\n\n    this._edgesMesh = new graphicGL.Mesh({\n      material: new graphicGL.Material({\n        shader: graphicGL.createShader('ecgl.meshLines2D'),\n        transparent: true,\n        depthMask: false,\n        depthTest: false\n      }),\n      $ignorePicking: true,\n      geometry: new Lines2DGeometry({\n        useNativeLine: false,\n        dynamic: true\n      }),\n      renderOrder: -1,\n      culling: false\n    });\n    this._layoutId = 0;\n    this._control = new Roam2DControl({\n      zr: api.getZr(),\n      viewGL: this.viewGL\n    });\n\n    this._control.setTarget(this.groupGL);\n\n    this._control.init();\n\n    this._clickHandler = this._clickHandler.bind(this);\n  },\n  render: function (seriesModel, ecModel, api) {\n    this.groupGL.add(this._pointsBuilder.rootNode);\n    this._model = seriesModel;\n    this._api = api;\n\n    this._initLayout(seriesModel, ecModel, api);\n\n    this._pointsBuilder.update(seriesModel, ecModel, api);\n\n    if (!(this._forceLayoutInstance instanceof ForceAtlas2GPU)) {\n      this.groupGL.remove(this._forceEdgesMesh);\n    }\n\n    this._updateCamera(seriesModel, api);\n\n    this._control.off('update');\n\n    this._control.on('update', function () {\n      api.dispatchAction({\n        type: 'graphGLRoam',\n        seriesId: seriesModel.id,\n        zoom: this._control.getZoom(),\n        offset: this._control.getOffset()\n      });\n\n      this._pointsBuilder.updateView(this.viewGL.camera);\n    }, this);\n\n    this._control.setZoom(retrieve.firstNotNull(seriesModel.get('zoom'), 1));\n\n    this._control.setOffset(seriesModel.get('offset') || [0, 0]);\n\n    var mesh = this._pointsBuilder.getPointsMesh();\n\n    mesh.off('mousemove', this._mousemoveHandler);\n    mesh.off('mouseout', this._mouseOutHandler, this);\n    api.getZr().off('click', this._clickHandler);\n    this._pointsBuilder.highlightOnMouseover = true;\n\n    if (seriesModel.get('focusNodeAdjacency')) {\n      var focusNodeAdjacencyOn = seriesModel.get('focusNodeAdjacencyOn');\n\n      if (focusNodeAdjacencyOn === 'click') {\n        // Remove default emphasis effect\n        api.getZr().on('click', this._clickHandler);\n      } else if (focusNodeAdjacencyOn === 'mouseover') {\n        mesh.on('mousemove', this._mousemoveHandler, this);\n        mesh.on('mouseout', this._mouseOutHandler, this);\n        this._pointsBuilder.highlightOnMouseover = false;\n      } else {\n        if (process.env.NODE_ENV !== 'production') {\n          console.warn('Unkown focusNodeAdjacencyOn value \\s' + focusNodeAdjacencyOn);\n        }\n      }\n    } // Reset\n\n\n    this._lastMouseOverDataIndex = -1;\n  },\n  _clickHandler: function (e) {\n    if (this._layouting) {\n      return;\n    }\n\n    var dataIndex = this._pointsBuilder.getPointsMesh().dataIndex;\n\n    if (dataIndex >= 0) {\n      this._api.dispatchAction({\n        type: 'graphGLFocusNodeAdjacency',\n        seriesId: this._model.id,\n        dataIndex: dataIndex\n      });\n    } else {\n      this._api.dispatchAction({\n        type: 'graphGLUnfocusNodeAdjacency',\n        seriesId: this._model.id\n      });\n    }\n  },\n  _mousemoveHandler: function (e) {\n    if (this._layouting) {\n      return;\n    }\n\n    var dataIndex = this._pointsBuilder.getPointsMesh().dataIndex;\n\n    if (dataIndex >= 0) {\n      if (dataIndex !== this._lastMouseOverDataIndex) {\n        this._api.dispatchAction({\n          type: 'graphGLFocusNodeAdjacency',\n          seriesId: this._model.id,\n          dataIndex: dataIndex\n        });\n      }\n    } else {\n      this._mouseOutHandler(e);\n    }\n\n    this._lastMouseOverDataIndex = dataIndex;\n  },\n  _mouseOutHandler: function (e) {\n    if (this._layouting) {\n      return;\n    }\n\n    this._api.dispatchAction({\n      type: 'graphGLUnfocusNodeAdjacency',\n      seriesId: this._model.id\n    });\n\n    this._lastMouseOverDataIndex = -1;\n  },\n  _updateForceEdgesGeometry: function (edges, seriesModel) {\n    var geometry = this._forceEdgesMesh.geometry;\n    var edgeData = seriesModel.getEdgeData();\n    var offset = 0;\n    var layoutInstance = this._forceLayoutInstance;\n    var vertexCount = edgeData.count() * 2;\n    geometry.attributes.node.init(vertexCount);\n    geometry.attributes.color.init(vertexCount);\n    edgeData.each(function (idx) {\n      var edge = edges[idx];\n      geometry.attributes.node.set(offset, layoutInstance.getNodeUV(edge.node1));\n      geometry.attributes.node.set(offset + 1, layoutInstance.getNodeUV(edge.node2));\n      var color = getItemVisualColor(edgeData, edge.dataIndex);\n      var colorArr = graphicGL.parseColor(color);\n      colorArr[3] *= retrieve.firstNotNull(getItemVisualOpacity(edgeData, edge.dataIndex), 1);\n      geometry.attributes.color.set(offset, colorArr);\n      geometry.attributes.color.set(offset + 1, colorArr);\n      offset += 2;\n    });\n    geometry.dirty();\n  },\n  _updateMeshLinesGeometry: function () {\n    var edgeData = this._model.getEdgeData();\n\n    var geometry = this._edgesMesh.geometry;\n\n    var edgeData = this._model.getEdgeData();\n\n    var points = this._model.getData().getLayout('points');\n\n    geometry.resetOffset();\n    geometry.setVertexCount(edgeData.count() * geometry.getLineVertexCount());\n    geometry.setTriangleCount(edgeData.count() * geometry.getLineTriangleCount());\n    var p0 = [];\n    var p1 = [];\n    var lineWidthQuery = ['lineStyle', 'width'];\n    this._originalEdgeColors = new Float32Array(edgeData.count() * 4);\n    this._edgeIndicesMap = new Float32Array(edgeData.count());\n    edgeData.each(function (idx) {\n      var edge = edgeData.graph.getEdgeByIndex(idx);\n      var idx1 = edge.node1.dataIndex * 2;\n      var idx2 = edge.node2.dataIndex * 2;\n      p0[0] = points[idx1];\n      p0[1] = points[idx1 + 1];\n      p1[0] = points[idx2];\n      p1[1] = points[idx2 + 1];\n      var color = getItemVisualColor(edgeData, edge.dataIndex);\n      var colorArr = graphicGL.parseColor(color);\n      colorArr[3] *= retrieve.firstNotNull(getItemVisualOpacity(edgeData, edge.dataIndex), 1);\n      var itemModel = edgeData.getItemModel(edge.dataIndex);\n\n      var lineWidth = retrieve.firstNotNull(itemModel.get(lineWidthQuery), 1) * this._api.getDevicePixelRatio();\n\n      geometry.addLine(p0, p1, colorArr, lineWidth);\n\n      for (var k = 0; k < 4; k++) {\n        this._originalEdgeColors[edge.dataIndex * 4 + k] = colorArr[k];\n      }\n\n      this._edgeIndicesMap[edge.dataIndex] = idx;\n    }, this);\n    geometry.dirty();\n  },\n  _updateForceNodesGeometry: function (nodeData) {\n    var pointsMesh = this._pointsBuilder.getPointsMesh();\n\n    var pos = [];\n\n    for (var i = 0; i < nodeData.count(); i++) {\n      this._forceLayoutInstance.getNodeUV(i, pos);\n\n      pointsMesh.geometry.attributes.position.set(i, pos);\n    }\n\n    pointsMesh.geometry.dirty('position');\n  },\n  _initLayout: function (seriesModel, ecModel, api) {\n    var layout = seriesModel.get('layout');\n    var graph = seriesModel.getGraph();\n    var boxLayoutOption = seriesModel.getBoxLayoutParams();\n    var viewport = getLayoutRect(boxLayoutOption, {\n      width: api.getWidth(),\n      height: api.getHeight()\n    });\n\n    if (layout === 'force') {\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn('Currently only forceAtlas2 layout supported.');\n      }\n\n      layout = 'forceAtlas2';\n    } // Stop previous layout\n\n\n    this.stopLayout(seriesModel, ecModel, api, {\n      beforeLayout: true\n    });\n    var nodeData = seriesModel.getData();\n    var edgeData = seriesModel.getData();\n\n    if (layout === 'forceAtlas2') {\n      var layoutModel = seriesModel.getModel('forceAtlas2');\n      var layoutInstance = this._forceLayoutInstance;\n      var nodes = [];\n      var edges = [];\n      var nodeDataExtent = nodeData.getDataExtent('value');\n      var edgeDataExtent = edgeData.getDataExtent('value');\n      var edgeWeightRange = retrieve.firstNotNull(layoutModel.get('edgeWeight'), 1.0);\n      var nodeWeightRange = retrieve.firstNotNull(layoutModel.get('nodeWeight'), 1.0);\n\n      if (typeof edgeWeightRange === 'number') {\n        edgeWeightRange = [edgeWeightRange, edgeWeightRange];\n      }\n\n      if (typeof nodeWeightRange === 'number') {\n        nodeWeightRange = [nodeWeightRange, nodeWeightRange];\n      }\n\n      var offset = 0;\n      var nodesIndicesMap = {};\n      var layoutPoints = new Float32Array(nodeData.count() * 2);\n      graph.eachNode(function (node) {\n        var dataIndex = node.dataIndex;\n        var value = nodeData.get('value', dataIndex);\n        var x;\n        var y;\n\n        if (nodeData.hasItemOption) {\n          var itemModel = nodeData.getItemModel(dataIndex);\n          x = itemModel.get('x');\n          y = itemModel.get('y');\n        }\n\n        if (x == null) {\n          // Random in rectangle\n          x = viewport.x + Math.random() * viewport.width;\n          y = viewport.y + Math.random() * viewport.height;\n        }\n\n        layoutPoints[offset * 2] = x;\n        layoutPoints[offset * 2 + 1] = y;\n        nodesIndicesMap[node.id] = offset++;\n        var mass = echarts.number.linearMap(value, nodeDataExtent, nodeWeightRange);\n\n        if (isNaN(mass)) {\n          if (!isNaN(nodeWeightRange[0])) {\n            mass = nodeWeightRange[0];\n          } else {\n            mass = 1;\n          }\n        }\n\n        nodes.push({\n          x: x,\n          y: y,\n          mass: mass,\n          size: nodeData.getItemVisual(dataIndex, 'symbolSize')\n        });\n      });\n      nodeData.setLayout('points', layoutPoints);\n      graph.eachEdge(function (edge) {\n        var dataIndex = edge.dataIndex;\n        var value = nodeData.get('value', dataIndex);\n        var weight = echarts.number.linearMap(value, edgeDataExtent, edgeWeightRange);\n\n        if (isNaN(weight)) {\n          if (!isNaN(edgeWeightRange[0])) {\n            weight = edgeWeightRange[0];\n          } else {\n            weight = 1;\n          }\n        }\n\n        edges.push({\n          node1: nodesIndicesMap[edge.node1.id],\n          node2: nodesIndicesMap[edge.node2.id],\n          weight: weight,\n          dataIndex: dataIndex\n        });\n      });\n\n      if (!layoutInstance) {\n        var isGPU = layoutModel.get('GPU');\n\n        if (this._forceLayoutInstance) {\n          if (isGPU && !(this._forceLayoutInstance instanceof ForceAtlas2GPU) || !isGPU && !(this._forceLayoutInstance instanceof ForceAtlas2)) {\n            // Mark to dispose\n            this._forceLayoutInstanceToDispose = this._forceLayoutInstance;\n          }\n        }\n\n        layoutInstance = this._forceLayoutInstance = isGPU ? new ForceAtlas2GPU() : new ForceAtlas2();\n      }\n\n      layoutInstance.initData(nodes, edges);\n      layoutInstance.updateOption(layoutModel.option); // Update lines geometry after first layout;\n\n      this._updateForceEdgesGeometry(layoutInstance.getEdges(), seriesModel);\n\n      this._updatePositionTexture();\n\n      api.dispatchAction({\n        type: 'graphGLStartLayout',\n        from: this.uid\n      });\n    } else {\n      var layoutPoints = new Float32Array(nodeData.count() * 2);\n      var offset = 0;\n      graph.eachNode(function (node) {\n        var dataIndex = node.dataIndex;\n        var x;\n        var y;\n\n        if (nodeData.hasItemOption) {\n          var itemModel = nodeData.getItemModel(dataIndex);\n          x = itemModel.get('x');\n          y = itemModel.get('y');\n        }\n\n        layoutPoints[offset++] = x;\n        layoutPoints[offset++] = y;\n      });\n      nodeData.setLayout('points', layoutPoints);\n\n      this._updateAfterLayout(seriesModel, ecModel, api);\n    }\n  },\n  _updatePositionTexture: function () {\n    var positionTex = this._forceLayoutInstance.getNodePositionTexture();\n\n    this._pointsBuilder.setPositionTexture(positionTex);\n\n    this._forceEdgesMesh.material.set('positionTex', positionTex);\n  },\n  startLayout: function (seriesModel, ecModel, api, payload) {\n    if (payload && payload.from != null && payload.from !== this.uid) {\n      return;\n    }\n\n    var viewGL = this.viewGL;\n    var api = this._api;\n    var layoutInstance = this._forceLayoutInstance;\n\n    var data = this._model.getData();\n\n    var layoutModel = this._model.getModel('forceAtlas2');\n\n    if (!layoutInstance) {\n      if (process.env.NODE_ENV !== 'production') {\n        console.error('None layout don\\'t have startLayout action');\n      }\n\n      return;\n    }\n\n    this.groupGL.remove(this._edgesMesh);\n    this.groupGL.add(this._forceEdgesMesh);\n\n    if (!this._forceLayoutInstance) {\n      return;\n    }\n\n    this._updateForceNodesGeometry(seriesModel.getData());\n\n    this._pointsBuilder.hideLabels();\n\n    var self = this;\n    var layoutId = this._layoutId = globalLayoutId++;\n    var maxSteps = layoutModel.getShallow('maxSteps');\n    var steps = layoutModel.getShallow('steps');\n    var stepsCount = 0;\n    var syncStepCount = Math.max(steps * 2, 20);\n\n    var doLayout = function (layoutId) {\n      if (layoutId !== self._layoutId) {\n        return;\n      }\n\n      if (layoutInstance.isFinished(maxSteps)) {\n        api.dispatchAction({\n          type: 'graphGLStopLayout',\n          from: self.uid\n        });\n        api.dispatchAction({\n          type: 'graphGLFinishLayout',\n          points: data.getLayout('points'),\n          from: self.uid\n        });\n        return;\n      }\n\n      layoutInstance.update(viewGL.layer.renderer, steps, function () {\n        self._updatePositionTexture(); // PENDING Performance.\n\n\n        stepsCount += steps; // Sync posiiton every 20 steps.\n\n        if (stepsCount >= syncStepCount) {\n          self._syncNodePosition(seriesModel);\n\n          stepsCount = 0;\n        } // Position texture will been swapped. set every time.\n\n\n        api.getZr().refresh();\n        requestAnimationFrame(function () {\n          doLayout(layoutId);\n        });\n      });\n    };\n\n    requestAnimationFrame(function () {\n      if (self._forceLayoutInstanceToDispose) {\n        self._forceLayoutInstanceToDispose.dispose(viewGL.layer.renderer);\n\n        self._forceLayoutInstanceToDispose = null;\n      }\n\n      doLayout(layoutId);\n    });\n    this._layouting = true;\n  },\n  stopLayout: function (seriesModel, ecModel, api, payload) {\n    if (payload && payload.from != null && payload.from !== this.uid) {\n      return;\n    }\n\n    this._layoutId = 0;\n    this.groupGL.remove(this._forceEdgesMesh);\n    this.groupGL.add(this._edgesMesh);\n\n    if (!this._forceLayoutInstance) {\n      return;\n    }\n\n    if (!this.viewGL.layer) {\n      return;\n    }\n\n    if (!(payload && payload.beforeLayout)) {\n      this._syncNodePosition(seriesModel);\n\n      this._updateAfterLayout(seriesModel, ecModel, api);\n    }\n\n    this._api.getZr().refresh();\n\n    this._layouting = false;\n  },\n  _syncNodePosition: function (seriesModel) {\n    var points = this._forceLayoutInstance.getNodePosition(this.viewGL.layer.renderer);\n\n    seriesModel.getData().setLayout('points', points);\n    seriesModel.setNodePosition(points);\n  },\n  _updateAfterLayout: function (seriesModel, ecModel, api) {\n    this._updateMeshLinesGeometry();\n\n    this._pointsBuilder.removePositionTexture();\n\n    this._pointsBuilder.updateLayout(seriesModel, ecModel, api);\n\n    this._pointsBuilder.updateView(this.viewGL.camera);\n\n    this._pointsBuilder.updateLabels();\n\n    this._pointsBuilder.showLabels();\n  },\n  focusNodeAdjacency: function (seriesModel, ecModel, api, payload) {\n    var data = this._model.getData();\n\n    this._downplayAll();\n\n    var dataIndex = payload.dataIndex;\n    var graph = data.graph;\n    var focusNodes = [];\n    var node = graph.getNodeByIndex(dataIndex);\n    focusNodes.push(node);\n    node.edges.forEach(function (edge) {\n      if (edge.dataIndex < 0) {\n        return;\n      }\n\n      edge.node1 !== node && focusNodes.push(edge.node1);\n      edge.node2 !== node && focusNodes.push(edge.node2);\n    }, this);\n\n    this._pointsBuilder.fadeOutAll(0.05);\n\n    this._fadeOutEdgesAll(0.05);\n\n    focusNodes.forEach(function (node) {\n      this._pointsBuilder.highlight(data, node.dataIndex);\n    }, this);\n\n    this._pointsBuilder.updateLabels(focusNodes.map(function (node) {\n      return node.dataIndex;\n    }));\n\n    var focusEdges = [];\n    node.edges.forEach(function (edge) {\n      if (edge.dataIndex >= 0) {\n        this._highlightEdge(edge.dataIndex);\n\n        focusEdges.push(edge);\n      }\n    }, this);\n    this._focusNodes = focusNodes;\n    this._focusEdges = focusEdges;\n  },\n  unfocusNodeAdjacency: function (seriesModel, ecModel, api, payload) {\n    this._downplayAll();\n\n    this._pointsBuilder.fadeInAll();\n\n    this._fadeInEdgesAll();\n\n    this._pointsBuilder.updateLabels();\n  },\n  _highlightEdge: function (dataIndex) {\n    var itemModel = this._model.getEdgeData().getItemModel(dataIndex);\n\n    var emphasisColor = graphicGL.parseColor(itemModel.get('emphasis.lineStyle.color') || itemModel.get('lineStyle.color'));\n    var emphasisOpacity = retrieve.firstNotNull(itemModel.get('emphasis.lineStyle.opacity'), itemModel.get('lineStyle.opacity'), 1);\n    emphasisColor[3] *= emphasisOpacity;\n\n    this._edgesMesh.geometry.setItemColor(this._edgeIndicesMap[dataIndex], emphasisColor);\n  },\n  _downplayAll: function () {\n    if (this._focusNodes) {\n      this._focusNodes.forEach(function (node) {\n        this._pointsBuilder.downplay(this._model.getData(), node.dataIndex);\n      }, this);\n    }\n\n    if (this._focusEdges) {\n      this._focusEdges.forEach(function (edge) {\n        this._downplayEdge(edge.dataIndex);\n      }, this);\n    }\n  },\n  _downplayEdge: function (dataIndex) {\n    var color = this._getColor(dataIndex, []);\n\n    this._edgesMesh.geometry.setItemColor(this._edgeIndicesMap[dataIndex], color);\n  },\n  _setEdgeFade: function () {\n    var color = [];\n    return function (dataIndex, percent) {\n      this._getColor(dataIndex, color);\n\n      color[3] *= percent;\n\n      this._edgesMesh.geometry.setItemColor(this._edgeIndicesMap[dataIndex], color);\n    };\n  }(),\n  _getColor: function (dataIndex, out) {\n    for (var i = 0; i < 4; i++) {\n      out[i] = this._originalEdgeColors[dataIndex * 4 + i];\n    }\n\n    return out;\n  },\n  _fadeOutEdgesAll: function (percent) {\n    var graph = this._model.getData().graph;\n\n    graph.eachEdge(function (edge) {\n      this._setEdgeFade(edge.dataIndex, percent);\n    }, this);\n  },\n  _fadeInEdgesAll: function () {\n    this._fadeOutEdgesAll(1);\n  },\n  _updateCamera: function (seriesModel, api) {\n    this.viewGL.setViewport(0, 0, api.getWidth(), api.getHeight(), api.getDevicePixelRatio());\n    var camera = this.viewGL.camera;\n    var nodeData = seriesModel.getData();\n    var points = nodeData.getLayout('points');\n    var min = vec2.create(Infinity, Infinity);\n    var max = vec2.create(-Infinity, -Infinity);\n    var pt = [];\n\n    for (var i = 0; i < points.length;) {\n      pt[0] = points[i++];\n      pt[1] = points[i++];\n      vec2.min(min, min, pt);\n      vec2.max(max, max, pt);\n    }\n\n    var cy = (max[1] + min[1]) / 2;\n    var cx = (max[0] + min[0]) / 2; // Only fit the camera when graph is not in the center.\n    // PENDING\n\n    if (cx > camera.left && cx < camera.right && cy < camera.bottom && cy > camera.top) {\n      return;\n    } // Scale a bit\n\n\n    var width = Math.max(max[0] - min[0], 10); // Keep aspect\n\n    var height = width / api.getWidth() * api.getHeight();\n    width *= 1.4;\n    height *= 1.4;\n    min[0] -= width * 0.2;\n    camera.left = min[0];\n    camera.top = cy - height / 2;\n    camera.bottom = cy + height / 2;\n    camera.right = width + min[0];\n    camera.near = 0;\n    camera.far = 100;\n  },\n  dispose: function () {\n    var renderer = this.viewGL.layer.renderer;\n\n    if (this._forceLayoutInstance) {\n      this._forceLayoutInstance.dispose(renderer);\n    }\n\n    this.groupGL.removeAll(); // Stop layout.\n\n    this._layoutId = -1;\n  },\n  remove: function () {\n    this.groupGL.removeAll();\n\n    this._control.dispose();\n  }\n});","export default \"@export ecgl.lines2D.vertex\\n\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\n\\nattribute vec2 position: POSITION;\\nattribute vec4 a_Color : COLOR;\\nvarying vec4 v_Color;\\n\\n#ifdef POSITIONTEXTURE_ENABLED\\nuniform sampler2D positionTexture;\\n#endif\\n\\nvoid main()\\n{\\n gl_Position = worldViewProjection * vec4(position, -10.0, 1.0);\\n\\n v_Color = a_Color;\\n}\\n\\n@end\\n\\n@export ecgl.lines2D.fragment\\n\\nuniform vec4 color : [1.0, 1.0, 1.0, 1.0];\\n\\nvarying vec4 v_Color;\\n\\nvoid main()\\n{\\n gl_FragColor = color * v_Color;\\n}\\n@end\\n\\n\\n@export ecgl.meshLines2D.vertex\\n\\nattribute vec2 position: POSITION;\\nattribute vec2 normal;\\nattribute float offset;\\nattribute vec4 a_Color : COLOR;\\n\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\nuniform vec4 viewport : VIEWPORT;\\n\\nvarying vec4 v_Color;\\nvarying float v_Miter;\\n\\nvoid main()\\n{\\n vec4 p2 = worldViewProjection * vec4(position + normal, -10.0, 1.0);\\n gl_Position = worldViewProjection * vec4(position, -10.0, 1.0);\\n\\n p2.xy /= p2.w;\\n gl_Position.xy /= gl_Position.w;\\n\\n vec2 N = normalize(p2.xy - gl_Position.xy);\\n gl_Position.xy += N * offset / viewport.zw * 2.0;\\n\\n gl_Position.xy *= gl_Position.w;\\n\\n v_Color = a_Color;\\n}\\n@end\\n\\n\\n@export ecgl.meshLines2D.fragment\\n\\nuniform vec4 color : [1.0, 1.0, 1.0, 1.0];\\n\\nvarying vec4 v_Color;\\nvarying float v_Miter;\\n\\nvoid main()\\n{\\n gl_FragColor = color * v_Color;\\n}\\n\\n@end\";","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport * as echarts from 'echarts/lib/echarts';\nimport GraphGLSeries from './GraphGLSeries';\nimport GraphGLView from './GraphGLView';\n\nfunction normalize(a) {\n  if (!(a instanceof Array)) {\n    a = [a, a];\n  }\n\n  return a;\n}\n\nexport function install(registers) {\n  registers.registerChartView(GraphGLView);\n  registers.registerSeriesModel(GraphGLSeries);\n  registers.registerVisual(function (ecModel) {\n    const paletteScope = {};\n    ecModel.eachSeriesByType('graphGL', function (seriesModel) {\n      var categoriesData = seriesModel.getCategoriesData();\n      var data = seriesModel.getData();\n      var categoryNameIdxMap = {};\n      categoriesData.each(function (idx) {\n        var name = categoriesData.getName(idx); // Add prefix to avoid conflict with Object.prototype.\n\n        categoryNameIdxMap['ec-' + name] = idx;\n        var itemModel = categoriesData.getItemModel(idx);\n        var style = itemModel.getModel('itemStyle').getItemStyle();\n\n        if (!style.fill) {\n          // Get color from palette.\n          style.fill = seriesModel.getColorFromPalette(name, paletteScope);\n        }\n\n        categoriesData.setItemVisual(idx, 'style', style);\n        var symbolVisualList = ['symbol', 'symbolSize', 'symbolKeepAspect'];\n\n        for (let i = 0; i < symbolVisualList.length; i++) {\n          var symbolVisual = itemModel.getShallow(symbolVisualList[i], true);\n\n          if (symbolVisual != null) {\n            categoriesData.setItemVisual(idx, symbolVisualList[i], symbolVisual);\n          }\n        }\n      }); // Assign category color to visual\n\n      if (categoriesData.count()) {\n        data.each(function (idx) {\n          var model = data.getItemModel(idx);\n          let categoryIdx = model.getShallow('category');\n\n          if (categoryIdx != null) {\n            if (typeof categoryIdx === 'string') {\n              categoryIdx = categoryNameIdxMap['ec-' + categoryIdx];\n            }\n\n            var categoryStyle = categoriesData.getItemVisual(categoryIdx, 'style');\n            var style = data.ensureUniqueItemVisual(idx, 'style');\n            echarts.util.extend(style, categoryStyle);\n            var visualList = ['symbol', 'symbolSize', 'symbolKeepAspect'];\n\n            for (let i = 0; i < visualList.length; i++) {\n              data.setItemVisual(idx, visualList[i], categoriesData.getItemVisual(categoryIdx, visualList[i]));\n            }\n          }\n        });\n      }\n    });\n  });\n  registers.registerVisual(function (ecModel) {\n    ecModel.eachSeriesByType('graphGL', function (seriesModel) {\n      var graph = seriesModel.getGraph();\n      var edgeData = seriesModel.getEdgeData();\n      var symbolType = normalize(seriesModel.get('edgeSymbol'));\n      var symbolSize = normalize(seriesModel.get('edgeSymbolSize'));\n      edgeData.setVisual('drawType', 'stroke'); // var colorQuery = ['lineStyle', 'color'];\n      // var opacityQuery = ['lineStyle', 'opacity'];\n\n      edgeData.setVisual('fromSymbol', symbolType && symbolType[0]);\n      edgeData.setVisual('toSymbol', symbolType && symbolType[1]);\n      edgeData.setVisual('fromSymbolSize', symbolSize && symbolSize[0]);\n      edgeData.setVisual('toSymbolSize', symbolSize && symbolSize[1]);\n      edgeData.setVisual('style', seriesModel.getModel('lineStyle').getLineStyle());\n      edgeData.each(function (idx) {\n        var itemModel = edgeData.getItemModel(idx);\n        var edge = graph.getEdgeByIndex(idx);\n        var symbolType = normalize(itemModel.getShallow('symbol', true));\n        var symbolSize = normalize(itemModel.getShallow('symbolSize', true)); // Edge visual must after node visual\n\n        var style = itemModel.getModel('lineStyle').getLineStyle();\n        var existsStyle = edgeData.ensureUniqueItemVisual(idx, 'style');\n        echarts.util.extend(existsStyle, style);\n\n        switch (existsStyle.stroke) {\n          case 'source':\n            {\n              var nodeStyle = edge.node1.getVisual('style');\n              existsStyle.stroke = nodeStyle && nodeStyle.fill;\n              break;\n            }\n\n          case 'target':\n            {\n              var nodeStyle = edge.node2.getVisual('style');\n              existsStyle.stroke = nodeStyle && nodeStyle.fill;\n              break;\n            }\n        }\n\n        symbolType[0] && edge.setVisual('fromSymbol', symbolType[0]);\n        symbolType[1] && edge.setVisual('toSymbol', symbolType[1]);\n        symbolSize[0] && edge.setVisual('fromSymbolSize', symbolSize[0]);\n        symbolSize[1] && edge.setVisual('toSymbolSize', symbolSize[1]);\n      });\n    });\n  });\n  registers.registerAction({\n    type: 'graphGLRoam',\n    event: 'graphglroam',\n    update: 'series.graphGL:roam'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'series',\n      query: payload\n    }, function (componentModel) {\n      componentModel.setView(payload);\n    });\n  });\n\n  function noop() {}\n\n  registers.registerAction({\n    type: 'graphGLStartLayout',\n    event: 'graphgllayoutstarted',\n    update: 'series.graphGL:startLayout'\n  }, noop);\n  registers.registerAction({\n    type: 'graphGLStopLayout',\n    event: 'graphgllayoutstopped',\n    update: 'series.graphGL:stopLayout'\n  }, noop);\n  registers.registerAction({\n    type: 'graphGLFocusNodeAdjacency',\n    event: 'graphGLFocusNodeAdjacency',\n    update: 'series.graphGL:focusNodeAdjacency'\n  }, noop);\n  registers.registerAction({\n    type: 'graphGLUnfocusNodeAdjacency',\n    event: 'graphGLUnfocusNodeAdjacency',\n    update: 'series.graphGL:unfocusNodeAdjacency'\n  }, noop);\n}","import { use } from 'echarts/lib/echarts';\nimport { install } from './graphGL/install';\nuse(install);","import * as echarts from 'echarts/lib/echarts';\nexport default echarts.SeriesModel.extend({\n  type: 'series.flowGL',\n  dependencies: ['geo', 'grid', 'bmap'],\n  visualStyleAccessPath: 'itemStyle',\n  getInitialData: function (option, ecModel) {\n    var coordSysDimensions = echarts.getCoordinateSystemDimensions(this.get('coordinateSystem')) || ['x', 'y'];\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (coordSysDimensions.length > 2) {\n        throw new Error('flowGL can only be used on 2d coordinate systems.');\n      }\n    }\n\n    coordSysDimensions.push('vx', 'vy');\n    var dimensions = echarts.helper.createDimensions(this.getSource(), {\n      coordDimensions: coordSysDimensions,\n      encodeDefine: this.get('encode'),\n      dimensionsDefine: this.get('dimensions')\n    });\n    var data = new echarts.List(dimensions, this);\n    data.initData(this.getSource());\n    return data;\n  },\n  defaultOption: {\n    coordinateSystem: 'cartesian2d',\n    zlevel: 10,\n    supersampling: 1,\n    // 128x128 particles\n    particleType: 'point',\n    particleDensity: 128,\n    particleSize: 1,\n    particleSpeed: 1,\n    particleTrail: 2,\n    colorTexture: null,\n    gridWidth: 'auto',\n    gridHeight: 'auto',\n    itemStyle: {\n      color: '#fff',\n      opacity: 0.8\n    }\n  }\n});","/**\n * Lines geometry\n * Use screen space projected lines lineWidth > MAX_LINE_WIDTH\n * https://mattdesl.svbtle.com/drawing-lines-is-hard\n * @module echarts-gl/util/geometry/LinesGeometry\n * @author Yi Shen(http://github.com/pissang)\n */\nimport Geometry from 'claygl/src/Geometry';\nimport * as echarts from 'echarts/lib/echarts';\n/**\n * @constructor\n * @alias module:echarts-gl/chart/flowGL/Line2D\n * @extends clay.Geometry\n */\n\nvar LinesGeometry = Geometry.extend(function () {\n  return {\n    dynamic: true,\n    attributes: {\n      position: new Geometry.Attribute('position', 'float', 3, 'POSITION')\n    }\n  };\n},\n/** @lends module: echarts-gl/util/geometry/LinesGeometry.prototype */\n{\n  /**\n   * Reset offset\n   */\n  resetOffset: function () {\n    this._vertexOffset = 0;\n    this._faceOffset = 0;\n  },\n\n  /**\n   * @param {number} nVertex\n   */\n  setLineCount: function (nLine) {\n    var attributes = this.attributes;\n    var nVertex = 4 * nLine;\n    var nTriangle = 2 * nLine;\n\n    if (this.vertexCount !== nVertex) {\n      attributes.position.init(nVertex);\n    }\n\n    if (this.triangleCount !== nTriangle) {\n      if (nTriangle === 0) {\n        this.indices = null;\n      } else {\n        this.indices = this.vertexCount > 0xffff ? new Uint32Array(nTriangle * 3) : new Uint16Array(nTriangle * 3);\n      }\n    }\n  },\n  addLine: function (p) {\n    var vertexOffset = this._vertexOffset;\n    this.attributes.position.set(vertexOffset, [p[0], p[1], 1]);\n    this.attributes.position.set(vertexOffset + 1, [p[0], p[1], -1]);\n    this.attributes.position.set(vertexOffset + 2, [p[0], p[1], 2]);\n    this.attributes.position.set(vertexOffset + 3, [p[0], p[1], -2]);\n    this.setTriangleIndices(this._faceOffset++, [vertexOffset, vertexOffset + 1, vertexOffset + 2]);\n    this.setTriangleIndices(this._faceOffset++, [vertexOffset + 1, vertexOffset + 2, vertexOffset + 3]);\n    this._vertexOffset += 4;\n  }\n});\nexport default LinesGeometry;","import Pass from 'claygl/src/compositor/Pass';\nimport Geometry from 'claygl/src/Geometry';\nimport Mesh from 'claygl/src/Mesh';\nimport Material from 'claygl/src/Material';\nimport Shader from 'claygl/src/Shader';\nimport Texture2D from 'claygl/src/Texture2D';\nimport Texture from 'claygl/src/Texture';\nimport OrthoCamera from 'claygl/src/camera/Orthographic';\nimport PlaneGeometry from 'claygl/src/geometry/Plane';\nimport FrameBuffer from 'claygl/src/FrameBuffer';\nimport Line2DGeometry from './Line2D'; // import TemporalSS from '../../effect/TemporalSuperSampling';\n\nimport vectorFieldParticleGLSL from './vectorFieldParticle.glsl.js';\nShader['import'](vectorFieldParticleGLSL);\n\nfunction createSpriteCanvas(size) {\n  var canvas = document.createElement('canvas');\n  canvas.width = canvas.height = size;\n  var ctx = canvas.getContext('2d');\n  ctx.fillStyle = '#fff';\n  ctx.arc(size / 2, size / 2, size / 2, 0, Math.PI * 2);\n  ctx.fill();\n  return canvas;\n} // import spriteUtil from '../../util/sprite';\n\n\nvar VectorFieldParticleSurface = function () {\n  /**\n   * @type {number}\n   */\n  this.motionBlurFactor = 0.99;\n  /**\n   * Vector field lookup image\n   * @type {clay.Texture2D}\n   */\n\n  this.vectorFieldTexture = new Texture2D({\n    type: Texture.FLOAT,\n    // minFilter: Texture.NEAREST,\n    // magFilter: Texture.NEAREST,\n    flipY: false\n  });\n  /**\n   * Particle life range\n   * @type {Array.<number>}\n   */\n\n  this.particleLife = [5, 20];\n  this._particleType = 'point';\n  /**\n   * @type {number}\n   */\n\n  this._particleSize = 1;\n  /**\n   * @type {Array.<number>}\n   */\n\n  this.particleColor = [1, 1, 1, 1];\n  /**\n   * @type {number}\n   */\n\n  this.particleSpeedScaling = 1.0;\n  /**\n   * @type {clay.Texture2D}\n   */\n\n  this._thisFrameTexture = null;\n  this._particlePass = null;\n  this._spawnTexture = null;\n  this._particleTexture0 = null;\n  this._particleTexture1 = null;\n  this._particlePointsMesh = null;\n  this._surfaceFrameBuffer = null;\n  this._elapsedTime = 0.0;\n  this._scene = null;\n  this._camera = null;\n  this._lastFrameTexture = null; // this._temporalSS = new TemporalSS(50);\n  // this._antialising = false;\n\n  this._supersampling = 1;\n  this._downsampleTextures = [];\n  this._width = 512;\n  this._height = 512;\n  this.init();\n};\n\nVectorFieldParticleSurface.prototype = {\n  constructor: VectorFieldParticleSurface,\n  init: function () {\n    var parameters = {\n      type: Texture.FLOAT,\n      minFilter: Texture.NEAREST,\n      magFilter: Texture.NEAREST,\n      useMipmap: false\n    };\n    this._spawnTexture = new Texture2D(parameters);\n    this._particleTexture0 = new Texture2D(parameters);\n    this._particleTexture1 = new Texture2D(parameters);\n    this._frameBuffer = new FrameBuffer({\n      depthBuffer: false\n    });\n    this._particlePass = new Pass({\n      fragment: Shader.source('ecgl.vfParticle.particle.fragment')\n    });\n\n    this._particlePass.setUniform('velocityTexture', this.vectorFieldTexture);\n\n    this._particlePass.setUniform('spawnTexture', this._spawnTexture);\n\n    this._downsamplePass = new Pass({\n      fragment: Shader.source('clay.compositor.downsample')\n    });\n    var particlePointsMesh = new Mesh({\n      // Render after last frame full quad\n      renderOrder: 10,\n      material: new Material({\n        shader: new Shader(Shader.source('ecgl.vfParticle.renderPoints.vertex'), Shader.source('ecgl.vfParticle.renderPoints.fragment'))\n      }),\n      mode: Mesh.POINTS,\n      geometry: new Geometry({\n        dynamic: true,\n        mainAttribute: 'texcoord0'\n      })\n    });\n    var particleLinesMesh = new Mesh({\n      // Render after last frame full quad\n      renderOrder: 10,\n      material: new Material({\n        shader: new Shader(Shader.source('ecgl.vfParticle.renderLines.vertex'), Shader.source('ecgl.vfParticle.renderLines.fragment'))\n      }),\n      geometry: new Line2DGeometry(),\n      culling: false\n    });\n    var lastFrameFullQuad = new Mesh({\n      material: new Material({\n        shader: new Shader(Shader.source('ecgl.color.vertex'), Shader.source('ecgl.color.fragment')) // DO NOT BLEND Blend will multiply alpha\n        // transparent: true\n\n      }),\n      geometry: new PlaneGeometry()\n    });\n    lastFrameFullQuad.material.enableTexture('diffuseMap');\n    this._particlePointsMesh = particlePointsMesh;\n    this._particleLinesMesh = particleLinesMesh;\n    this._lastFrameFullQuadMesh = lastFrameFullQuad;\n    this._camera = new OrthoCamera();\n    this._thisFrameTexture = new Texture2D();\n    this._lastFrameTexture = new Texture2D();\n  },\n  setParticleDensity: function (width, height) {\n    var nVertex = width * height;\n    var spawnTextureData = new Float32Array(nVertex * 4);\n    var off = 0;\n    var lifeRange = this.particleLife;\n\n    for (var i = 0; i < width; i++) {\n      for (var j = 0; j < height; j++, off++) {\n        // x position, range [0 - 1]\n        spawnTextureData[off * 4] = Math.random(); // y position, range [0 - 1]\n\n        spawnTextureData[off * 4 + 1] = Math.random(); // Some property\n\n        spawnTextureData[off * 4 + 2] = Math.random();\n        var life = (lifeRange[1] - lifeRange[0]) * Math.random() + lifeRange[0]; // Particle life\n\n        spawnTextureData[off * 4 + 3] = life;\n      }\n    }\n\n    if (this._particleType === 'line') {\n      this._setLineGeometry(width, height);\n    } else {\n      this._setPointsGeometry(width, height);\n    }\n\n    this._spawnTexture.width = width;\n    this._spawnTexture.height = height;\n    this._spawnTexture.pixels = spawnTextureData;\n    this._particleTexture0.width = this._particleTexture1.width = width;\n    this._particleTexture0.height = this._particleTexture1.height = height;\n\n    this._particlePass.setUniform('textureSize', [width, height]);\n  },\n  _setPointsGeometry: function (width, height) {\n    var nVertex = width * height;\n    var geometry = this._particlePointsMesh.geometry;\n    var attributes = geometry.attributes;\n    attributes.texcoord0.init(nVertex);\n    var off = 0;\n\n    for (var i = 0; i < width; i++) {\n      for (var j = 0; j < height; j++, off++) {\n        attributes.texcoord0.value[off * 2] = i / width;\n        attributes.texcoord0.value[off * 2 + 1] = j / height;\n      }\n    }\n\n    geometry.dirty();\n  },\n  _setLineGeometry: function (width, height) {\n    var nLine = width * height;\n\n    var geometry = this._getParticleMesh().geometry;\n\n    geometry.setLineCount(nLine);\n    geometry.resetOffset();\n\n    for (var i = 0; i < width; i++) {\n      for (var j = 0; j < height; j++) {\n        geometry.addLine([i / width, j / height]);\n      }\n    }\n\n    geometry.dirty();\n  },\n  _getParticleMesh: function () {\n    return this._particleType === 'line' ? this._particleLinesMesh : this._particlePointsMesh;\n  },\n  update: function (renderer, api, deltaTime, firstFrame) {\n    var particleMesh = this._getParticleMesh();\n\n    var frameBuffer = this._frameBuffer;\n    var particlePass = this._particlePass;\n\n    if (firstFrame) {\n      this._updateDownsampleTextures(renderer, api);\n    }\n\n    particleMesh.material.set('size', this._particleSize * this._supersampling);\n    particleMesh.material.set('color', this.particleColor);\n    particlePass.setUniform('speedScaling', this.particleSpeedScaling);\n    frameBuffer.attach(this._particleTexture1);\n    particlePass.setUniform('firstFrameTime', firstFrame ? (this.particleLife[1] + this.particleLife[0]) / 2 : 0);\n    particlePass.setUniform('particleTexture', this._particleTexture0);\n    particlePass.setUniform('deltaTime', deltaTime);\n    particlePass.setUniform('elapsedTime', this._elapsedTime);\n    particlePass.render(renderer, frameBuffer);\n    particleMesh.material.set('particleTexture', this._particleTexture1);\n    particleMesh.material.set('prevParticleTexture', this._particleTexture0);\n    frameBuffer.attach(this._thisFrameTexture);\n    frameBuffer.bind(renderer);\n    renderer.gl.clear(renderer.gl.DEPTH_BUFFER_BIT | renderer.gl.COLOR_BUFFER_BIT);\n    var lastFrameFullQuad = this._lastFrameFullQuadMesh;\n    lastFrameFullQuad.material.set('diffuseMap', this._lastFrameTexture);\n    lastFrameFullQuad.material.set('color', [1, 1, 1, this.motionBlurFactor]);\n\n    this._camera.update(true);\n\n    renderer.renderPass([lastFrameFullQuad, particleMesh], this._camera);\n    frameBuffer.unbind(renderer);\n\n    this._downsample(renderer);\n\n    this._swapTexture();\n\n    this._elapsedTime += deltaTime;\n  },\n  _downsample: function (renderer) {\n    var downsampleTextures = this._downsampleTextures;\n\n    if (downsampleTextures.length === 0) {\n      return;\n    }\n\n    var current = 0;\n    var sourceTexture = this._thisFrameTexture;\n    var targetTexture = downsampleTextures[current];\n\n    while (targetTexture) {\n      this._frameBuffer.attach(targetTexture);\n\n      this._downsamplePass.setUniform('texture', sourceTexture);\n\n      this._downsamplePass.setUniform('textureSize', [sourceTexture.width, sourceTexture.height]);\n\n      this._downsamplePass.render(renderer, this._frameBuffer);\n\n      sourceTexture = targetTexture;\n      targetTexture = downsampleTextures[++current];\n    }\n  },\n  getSurfaceTexture: function () {\n    var downsampleTextures = this._downsampleTextures;\n    return downsampleTextures.length > 0 ? downsampleTextures[downsampleTextures.length - 1] : this._lastFrameTexture;\n  },\n  setRegion: function (region) {\n    this._particlePass.setUniform('region', region);\n  },\n  resize: function (width, height) {\n    this._lastFrameTexture.width = width * this._supersampling;\n    this._lastFrameTexture.height = height * this._supersampling;\n    this._thisFrameTexture.width = width * this._supersampling;\n    this._thisFrameTexture.height = height * this._supersampling;\n    this._width = width;\n    this._height = height;\n  },\n  setParticleSize: function (size) {\n    var particleMesh = this._getParticleMesh();\n\n    if (size <= 2) {\n      particleMesh.material.disableTexture('spriteTexture');\n      particleMesh.material.transparent = false;\n      return;\n    }\n\n    if (!this._spriteTexture) {\n      this._spriteTexture = new Texture2D();\n    }\n\n    if (!this._spriteTexture.image || this._spriteTexture.image.width !== size) {\n      this._spriteTexture.image = createSpriteCanvas(size);\n\n      this._spriteTexture.dirty();\n    }\n\n    particleMesh.material.transparent = true;\n    particleMesh.material.enableTexture('spriteTexture');\n    particleMesh.material.set('spriteTexture', this._spriteTexture);\n    this._particleSize = size;\n  },\n  setGradientTexture: function (gradientTexture) {\n    var material = this._getParticleMesh().material;\n\n    material[gradientTexture ? 'enableTexture' : 'disableTexture']('gradientTexture');\n    material.setUniform('gradientTexture', gradientTexture);\n  },\n  setColorTextureImage: function (colorTextureImg, api) {\n    var material = this._getParticleMesh().material;\n\n    material.setTextureImage('colorTexture', colorTextureImg, api, {\n      flipY: true\n    });\n  },\n  setParticleType: function (type) {\n    this._particleType = type;\n  },\n  clearFrame: function (renderer) {\n    var frameBuffer = this._frameBuffer;\n    frameBuffer.attach(this._lastFrameTexture);\n    frameBuffer.bind(renderer);\n    renderer.gl.clear(renderer.gl.DEPTH_BUFFER_BIT | renderer.gl.COLOR_BUFFER_BIT);\n    frameBuffer.unbind(renderer);\n  },\n  setSupersampling: function (supersampling) {\n    this._supersampling = supersampling;\n    this.resize(this._width, this._height);\n  },\n  _updateDownsampleTextures: function (renderer, api) {\n    var downsampleTextures = this._downsampleTextures;\n    var upScale = Math.max(Math.floor(Math.log(this._supersampling / api.getDevicePixelRatio()) / Math.log(2)), 0);\n    var scale = 2;\n    var width = this._width * this._supersampling;\n    var height = this._height * this._supersampling;\n\n    for (var i = 0; i < upScale; i++) {\n      downsampleTextures[i] = downsampleTextures[i] || new Texture2D();\n      downsampleTextures[i].width = width / scale;\n      downsampleTextures[i].height = height / scale;\n      scale *= 2;\n    }\n\n    for (; i < downsampleTextures.length; i++) {\n      downsampleTextures[i].dispose(renderer);\n    }\n\n    downsampleTextures.length = upScale;\n  },\n  _swapTexture: function () {\n    var tmp = this._particleTexture0;\n    this._particleTexture0 = this._particleTexture1;\n    this._particleTexture1 = tmp;\n    var tmp = this._thisFrameTexture;\n    this._thisFrameTexture = this._lastFrameTexture;\n    this._lastFrameTexture = tmp;\n  },\n  dispose: function (renderer) {\n    renderer.disposeFrameBuffer(this._frameBuffer); // Dispose textures\n\n    renderer.disposeTexture(this.vectorFieldTexture);\n    renderer.disposeTexture(this._spawnTexture);\n    renderer.disposeTexture(this._particleTexture0);\n    renderer.disposeTexture(this._particleTexture1);\n    renderer.disposeTexture(this._thisFrameTexture);\n    renderer.disposeTexture(this._lastFrameTexture);\n    renderer.disposeGeometry(this._particleLinesMesh.geometry);\n    renderer.disposeGeometry(this._particlePointsMesh.geometry);\n    renderer.disposeGeometry(this._lastFrameFullQuadMesh.geometry);\n\n    if (this._spriteTexture) {\n      renderer.disposeTexture(this._spriteTexture);\n    }\n\n    this._particlePass.dispose(renderer);\n\n    this._downsamplePass.dispose(renderer);\n\n    this._downsampleTextures.forEach(function (texture) {\n      texture.dispose(renderer);\n    });\n  }\n};\nexport default VectorFieldParticleSurface;","export default \"@export ecgl.vfParticle.particle.fragment\\n\\nuniform sampler2D particleTexture;\\nuniform sampler2D spawnTexture;\\nuniform sampler2D velocityTexture;\\n\\nuniform float deltaTime;\\nuniform float elapsedTime;\\n\\nuniform float speedScaling : 1.0;\\n\\nuniform vec2 textureSize;\\nuniform vec4 region : [0, 0, 1, 1];\\nuniform float firstFrameTime;\\n\\nvarying vec2 v_Texcoord;\\n\\n\\nvoid main()\\n{\\n vec4 p = texture2D(particleTexture, v_Texcoord);\\n bool spawn = false;\\n if (p.w <= 0.0) {\\n p = texture2D(spawnTexture, fract(v_Texcoord + elapsedTime / 10.0));\\n p.w -= firstFrameTime;\\n spawn = true;\\n }\\n vec2 v = texture2D(velocityTexture, fract(p.xy * region.zw + region.xy)).xy;\\n v = (v - 0.5) * 2.0;\\n p.z = length(v);\\n p.xy += v * deltaTime / 10.0 * speedScaling;\\n p.w -= deltaTime;\\n\\n if (spawn || p.xy != fract(p.xy)) {\\n p.z = 0.0;\\n }\\n p.xy = fract(p.xy);\\n\\n gl_FragColor = p;\\n}\\n@end\\n\\n@export ecgl.vfParticle.renderPoints.vertex\\n\\n#define PI 3.1415926\\n\\nattribute vec2 texcoord : TEXCOORD_0;\\n\\nuniform sampler2D particleTexture;\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\n\\nuniform float size : 1.0;\\n\\nvarying float v_Mag;\\nvarying vec2 v_Uv;\\n\\nvoid main()\\n{\\n vec4 p = texture2D(particleTexture, texcoord);\\n\\n if (p.w > 0.0 && p.z > 1e-5) {\\n gl_Position = worldViewProjection * vec4(p.xy * 2.0 - 1.0, 0.0, 1.0);\\n }\\n else {\\n gl_Position = vec4(100000.0, 100000.0, 100000.0, 1.0);\\n }\\n\\n v_Mag = p.z;\\n v_Uv = p.xy;\\n\\n gl_PointSize = size;\\n}\\n\\n@end\\n\\n@export ecgl.vfParticle.renderPoints.fragment\\n\\nuniform vec4 color : [1.0, 1.0, 1.0, 1.0];\\nuniform sampler2D gradientTexture;\\nuniform sampler2D colorTexture;\\nuniform sampler2D spriteTexture;\\n\\nvarying float v_Mag;\\nvarying vec2 v_Uv;\\n\\nvoid main()\\n{\\n gl_FragColor = color;\\n#ifdef SPRITETEXTURE_ENABLED\\n gl_FragColor *= texture2D(spriteTexture, gl_PointCoord);\\n if (color.a == 0.0) {\\n discard;\\n }\\n#endif\\n#ifdef GRADIENTTEXTURE_ENABLED\\n gl_FragColor *= texture2D(gradientTexture, vec2(v_Mag, 0.5));\\n#endif\\n#ifdef COLORTEXTURE_ENABLED\\n gl_FragColor *= texture2D(colorTexture, v_Uv);\\n#endif\\n}\\n\\n@end\\n\\n@export ecgl.vfParticle.renderLines.vertex\\n\\n#define PI 3.1415926\\n\\nattribute vec3 position : POSITION;\\n\\nuniform sampler2D particleTexture;\\nuniform sampler2D prevParticleTexture;\\n\\nuniform float size : 1.0;\\nuniform vec4 vp: VIEWPORT;\\nuniform mat4 worldViewProjection : WORLDVIEWPROJECTION;\\n\\nvarying float v_Mag;\\nvarying vec2 v_Uv;\\n\\n@import clay.util.rand\\n\\nvoid main()\\n{\\n vec4 p = texture2D(particleTexture, position.xy);\\n vec4 p2 = texture2D(prevParticleTexture, position.xy);\\n\\n p.xy = p.xy * 2.0 - 1.0;\\n p2.xy = p2.xy * 2.0 - 1.0;\\n\\n if (p.w > 0.0 && p.z > 1e-5) {\\n vec2 dir = normalize(p.xy - p2.xy);\\n vec2 norm = vec2(dir.y / vp.z, -dir.x / vp.w) * sign(position.z) * size;\\n if (abs(position.z) == 2.0) {\\n gl_Position = vec4(p.xy + norm, 0.0, 1.0);\\n v_Uv = p.xy;\\n v_Mag = p.z;\\n }\\n else {\\n gl_Position = vec4(p2.xy + norm, 0.0, 1.0);\\n v_Mag = p2.z;\\n v_Uv = p2.xy;\\n }\\n gl_Position = worldViewProjection * gl_Position;\\n }\\n else {\\n gl_Position = vec4(100000.0, 100000.0, 100000.0, 1.0);\\n }\\n}\\n\\n@end\\n\\n@export ecgl.vfParticle.renderLines.fragment\\n\\nuniform vec4 color : [1.0, 1.0, 1.0, 1.0];\\nuniform sampler2D gradientTexture;\\nuniform sampler2D colorTexture;\\n\\nvarying float v_Mag;\\nvarying vec2 v_Uv;\\n\\nvoid main()\\n{\\n gl_FragColor = color;\\n #ifdef GRADIENTTEXTURE_ENABLED\\n gl_FragColor *= texture2D(gradientTexture, vec2(v_Mag, 0.5));\\n#endif\\n#ifdef COLORTEXTURE_ENABLED\\n gl_FragColor *= texture2D(colorTexture, v_Uv);\\n#endif\\n}\\n\\n@end\\n\";","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport retrieve from '../../util/retrieve';\nimport ViewGL from '../../core/ViewGL';\nimport VectorFieldParticleSurface from './VectorFieldParticleSurface'; // TODO 百度地图不是 linear 的\n\nexport default echarts.ChartView.extend({\n  type: 'flowGL',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this.viewGL = new ViewGL('orthographic');\n    this.groupGL = new graphicGL.Node();\n    this.viewGL.add(this.groupGL);\n    this._particleSurface = new VectorFieldParticleSurface();\n    var planeMesh = new graphicGL.Mesh({\n      geometry: new graphicGL.PlaneGeometry(),\n      material: new graphicGL.Material({\n        shader: new graphicGL.Shader({\n          vertex: graphicGL.Shader.source('ecgl.color.vertex'),\n          fragment: graphicGL.Shader.source('ecgl.color.fragment')\n        }),\n        // Must enable blending and multiply alpha.\n        // Or premultipliedAlpha will let the alpha useless.\n        transparent: true\n      })\n    });\n    planeMesh.material.enableTexture('diffuseMap');\n    this.groupGL.add(planeMesh);\n    this._planeMesh = planeMesh;\n  },\n  render: function (seriesModel, ecModel, api) {\n    var particleSurface = this._particleSurface; // Set particleType before set others.\n\n    particleSurface.setParticleType(seriesModel.get('particleType'));\n    particleSurface.setSupersampling(seriesModel.get('supersampling'));\n\n    this._updateData(seriesModel, api);\n\n    this._updateCamera(api.getWidth(), api.getHeight(), api.getDevicePixelRatio());\n\n    var particleDensity = retrieve.firstNotNull(seriesModel.get('particleDensity'), 128);\n    particleSurface.setParticleDensity(particleDensity, particleDensity);\n    var planeMesh = this._planeMesh;\n    var time = +new Date();\n    var self = this;\n    var firstFrame = true;\n    planeMesh.__percent = 0;\n    planeMesh.stopAnimation();\n    planeMesh.animate('', {\n      loop: true\n    }).when(100000, {\n      __percent: 1\n    }).during(function () {\n      var timeNow = +new Date();\n      var dTime = Math.min(timeNow - time, 20);\n      time = time + dTime;\n\n      if (self._renderer) {\n        particleSurface.update(self._renderer, api, dTime / 1000, firstFrame);\n        planeMesh.material.set('diffuseMap', particleSurface.getSurfaceTexture()); // planeMesh.material.set('diffuseMap', self._particleSurface.vectorFieldTexture);\n      }\n\n      firstFrame = false;\n    }).start();\n    var itemStyleModel = seriesModel.getModel('itemStyle');\n    var color = graphicGL.parseColor(itemStyleModel.get('color'));\n    color[3] *= retrieve.firstNotNull(itemStyleModel.get('opacity'), 1);\n    planeMesh.material.set('color', color);\n    particleSurface.setColorTextureImage(seriesModel.get('colorTexture'), api);\n    particleSurface.setParticleSize(seriesModel.get('particleSize'));\n    particleSurface.particleSpeedScaling = seriesModel.get('particleSpeed');\n    particleSurface.motionBlurFactor = 1.0 - Math.pow(0.1, seriesModel.get('particleTrail'));\n  },\n  updateTransform: function (seriesModel, ecModel, api) {\n    this._updateData(seriesModel, api);\n  },\n  afterRender: function (globeModel, ecModel, api, layerGL) {\n    var renderer = layerGL.renderer;\n    this._renderer = renderer;\n  },\n  _updateData: function (seriesModel, api) {\n    var coordSys = seriesModel.coordinateSystem;\n    var dims = coordSys.dimensions.map(function (coordDim) {\n      return seriesModel.coordDimToDataDim(coordDim)[0];\n    });\n    var data = seriesModel.getData();\n    var xExtent = data.getDataExtent(dims[0]);\n    var yExtent = data.getDataExtent(dims[1]);\n    var gridWidth = seriesModel.get('gridWidth');\n    var gridHeight = seriesModel.get('gridHeight');\n\n    if (gridWidth == null || gridWidth === 'auto') {\n      // TODO not accurate.\n      var aspect = (xExtent[1] - xExtent[0]) / (yExtent[1] - yExtent[0]);\n      gridWidth = Math.round(Math.sqrt(aspect * data.count()));\n    }\n\n    if (gridHeight == null || gridHeight === 'auto') {\n      gridHeight = Math.ceil(data.count() / gridWidth);\n    }\n\n    var vectorFieldTexture = this._particleSurface.vectorFieldTexture; // Half Float needs Uint16Array\n\n    var pixels = vectorFieldTexture.pixels;\n\n    if (!pixels || pixels.length !== gridHeight * gridWidth * 4) {\n      pixels = vectorFieldTexture.pixels = new Float32Array(gridWidth * gridHeight * 4);\n    } else {\n      for (var i = 0; i < pixels.length; i++) {\n        pixels[i] = 0;\n      }\n    }\n\n    var maxMag = 0;\n    var minMag = Infinity;\n    var points = new Float32Array(data.count() * 2);\n    var offset = 0;\n    var bbox = [[Infinity, Infinity], [-Infinity, -Infinity]];\n    data.each([dims[0], dims[1], 'vx', 'vy'], function (x, y, vx, vy) {\n      var pt = coordSys.dataToPoint([x, y]);\n      points[offset++] = pt[0];\n      points[offset++] = pt[1];\n      bbox[0][0] = Math.min(pt[0], bbox[0][0]);\n      bbox[0][1] = Math.min(pt[1], bbox[0][1]);\n      bbox[1][0] = Math.max(pt[0], bbox[1][0]);\n      bbox[1][1] = Math.max(pt[1], bbox[1][1]);\n      var mag = Math.sqrt(vx * vx + vy * vy);\n      maxMag = Math.max(maxMag, mag);\n      minMag = Math.min(minMag, mag);\n    });\n    data.each(['vx', 'vy'], function (vx, vy, i) {\n      var xPix = Math.round((points[i * 2] - bbox[0][0]) / (bbox[1][0] - bbox[0][0]) * (gridWidth - 1));\n      var yPix = gridHeight - 1 - Math.round((points[i * 2 + 1] - bbox[0][1]) / (bbox[1][1] - bbox[0][1]) * (gridHeight - 1));\n      var idx = (yPix * gridWidth + xPix) * 4;\n      pixels[idx] = vx / maxMag * 0.5 + 0.5;\n      pixels[idx + 1] = vy / maxMag * 0.5 + 0.5;\n      pixels[idx + 3] = 1;\n    });\n    vectorFieldTexture.width = gridWidth;\n    vectorFieldTexture.height = gridHeight;\n\n    if (seriesModel.get('coordinateSystem') === 'bmap') {\n      this._fillEmptyPixels(vectorFieldTexture);\n    }\n\n    vectorFieldTexture.dirty();\n\n    this._updatePlanePosition(bbox[0], bbox[1], seriesModel, api);\n\n    this._updateGradientTexture(data.getVisual('visualMeta'), [minMag, maxMag]);\n  },\n  // PENDING Use grid mesh ? or delaunay triangulation?\n  _fillEmptyPixels: function (texture) {\n    var pixels = texture.pixels;\n    var width = texture.width;\n    var height = texture.height;\n\n    function fetchPixel(x, y, rg) {\n      x = Math.max(Math.min(x, width - 1), 0);\n      y = Math.max(Math.min(y, height - 1), 0);\n      var idx = (y * (width - 1) + x) * 4;\n\n      if (pixels[idx + 3] === 0) {\n        return false;\n      }\n\n      rg[0] = pixels[idx];\n      rg[1] = pixels[idx + 1];\n      return true;\n    }\n\n    function addPixel(a, b, out) {\n      out[0] = a[0] + b[0];\n      out[1] = a[1] + b[1];\n    }\n\n    var center = [],\n        left = [],\n        right = [],\n        top = [],\n        bottom = [];\n    var weight = 0;\n\n    for (var y = 0; y < height; y++) {\n      for (var x = 0; x < width; x++) {\n        var idx = (y * (width - 1) + x) * 4;\n\n        if (pixels[idx + 3] === 0) {\n          weight = center[0] = center[1] = 0;\n\n          if (fetchPixel(x - 1, y, left)) {\n            weight++;\n            addPixel(left, center, center);\n          }\n\n          if (fetchPixel(x + 1, y, right)) {\n            weight++;\n            addPixel(right, center, center);\n          }\n\n          if (fetchPixel(x, y - 1, top)) {\n            weight++;\n            addPixel(top, center, center);\n          }\n\n          if (fetchPixel(x, y + 1, bottom)) {\n            weight++;\n            addPixel(bottom, center, center);\n          }\n\n          center[0] /= weight;\n          center[1] /= weight; // PENDING If overwrite. bilinear interpolation.\n\n          pixels[idx] = center[0];\n          pixels[idx + 1] = center[1];\n        }\n\n        pixels[idx + 3] = 1;\n      }\n    }\n  },\n  _updateGradientTexture: function (visualMeta, magExtent) {\n    if (!visualMeta || !visualMeta.length) {\n      this._particleSurface.setGradientTexture(null);\n\n      return;\n    } // TODO Different dimensions\n\n\n    this._gradientTexture = this._gradientTexture || new graphicGL.Texture2D({\n      image: document.createElement('canvas')\n    });\n    var gradientTexture = this._gradientTexture;\n    var canvas = gradientTexture.image;\n    canvas.width = 200;\n    canvas.height = 1;\n    var ctx = canvas.getContext('2d');\n    var gradient = ctx.createLinearGradient(0, 0.5, canvas.width, 0.5);\n    visualMeta[0].stops.forEach(function (stop) {\n      var offset;\n\n      if (magExtent[1] === magExtent[0]) {\n        offset = 0;\n      } else {\n        offset = stop.value / magExtent[1];\n        offset = Math.min(Math.max(offset, 0), 1);\n      }\n\n      gradient.addColorStop(offset, stop.color);\n    });\n    ctx.fillStyle = gradient;\n    ctx.fillRect(0, 0, canvas.width, canvas.height);\n    gradientTexture.dirty();\n\n    this._particleSurface.setGradientTexture(this._gradientTexture);\n  },\n  _updatePlanePosition: function (leftTop, rightBottom, seriesModel, api) {\n    var limitedResult = this._limitInViewportAndFullFill(leftTop, rightBottom, seriesModel, api);\n\n    leftTop = limitedResult.leftTop;\n    rightBottom = limitedResult.rightBottom;\n\n    this._particleSurface.setRegion(limitedResult.region);\n\n    this._planeMesh.position.set((leftTop[0] + rightBottom[0]) / 2, api.getHeight() - (leftTop[1] + rightBottom[1]) / 2, 0);\n\n    var width = rightBottom[0] - leftTop[0];\n    var height = rightBottom[1] - leftTop[1];\n\n    this._planeMesh.scale.set(width / 2, height / 2, 1);\n\n    this._particleSurface.resize(Math.max(Math.min(width, 2048), 1), Math.max(Math.min(height, 2048), 1));\n\n    if (this._renderer) {\n      this._particleSurface.clearFrame(this._renderer);\n    }\n  },\n  _limitInViewportAndFullFill: function (leftTop, rightBottom, seriesModel, api) {\n    var newLeftTop = [Math.max(leftTop[0], 0), Math.max(leftTop[1], 0)];\n    var newRightBottom = [Math.min(rightBottom[0], api.getWidth()), Math.min(rightBottom[1], api.getHeight())]; // Tiliing in lng orientation.\n\n    if (seriesModel.get('coordinateSystem') === 'bmap') {\n      var lngRange = seriesModel.getData().getDataExtent(seriesModel.coordDimToDataDim('lng')[0]); // PENDING, consider grid density\n\n      var isContinuous = Math.floor(lngRange[1] - lngRange[0]) >= 359;\n\n      if (isContinuous) {\n        if (newLeftTop[0] > 0) {\n          newLeftTop[0] = 0;\n        }\n\n        if (newRightBottom[0] < api.getWidth()) {\n          newRightBottom[0] = api.getWidth();\n        }\n      }\n    }\n\n    var width = rightBottom[0] - leftTop[0];\n    var height = rightBottom[1] - leftTop[1];\n    var newWidth = newRightBottom[0] - newLeftTop[0];\n    var newHeight = newRightBottom[1] - newLeftTop[1];\n    var region = [(newLeftTop[0] - leftTop[0]) / width, 1.0 - newHeight / height - (newLeftTop[1] - leftTop[1]) / height, newWidth / width, newHeight / height];\n    return {\n      leftTop: newLeftTop,\n      rightBottom: newRightBottom,\n      region: region\n    };\n  },\n  _updateCamera: function (width, height, dpr) {\n    this.viewGL.setViewport(0, 0, width, height, dpr);\n    var camera = this.viewGL.camera; // FIXME  bottom can't be larger than top\n\n    camera.left = camera.bottom = 0;\n    camera.top = height;\n    camera.right = width;\n    camera.near = 0;\n    camera.far = 100;\n    camera.position.z = 10;\n  },\n  remove: function () {\n    this._planeMesh.stopAnimation();\n\n    this.groupGL.removeAll();\n  },\n  dispose: function () {\n    if (this._renderer) {\n      this._particleSurface.dispose(this._renderer);\n    }\n\n    this.groupGL.removeAll();\n  }\n});","import { use } from 'echarts/lib/echarts';\nimport { install } from './flowGL/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport FlowGLSeries from './FlowGLSeries';\nimport FlowGLView from './FlowGLView';\nexport function install(registers) {\n  registers.registerChartView(FlowGLView);\n  registers.registerSeriesModel(FlowGLSeries);\n}","import * as echarts from 'echarts/lib/echarts';\nimport { concatArray } from 'zrender/lib/core/util';\nvar LinesGLSeries = echarts.SeriesModel.extend({\n  type: 'series.linesGL',\n  dependencies: ['grid', 'geo'],\n  visualStyleAccessPath: 'lineStyle',\n  visualDrawType: 'stroke',\n  streamEnabled: true,\n  init: function (option) {\n    var result = this._processFlatCoordsArray(option.data);\n\n    this._flatCoords = result.flatCoords;\n    this._flatCoordsOffset = result.flatCoordsOffset;\n\n    if (result.flatCoords) {\n      option.data = new Float32Array(result.count);\n    }\n\n    LinesGLSeries.superApply(this, 'init', arguments);\n  },\n  mergeOption: function (option) {\n    var result = this._processFlatCoordsArray(option.data);\n\n    this._flatCoords = result.flatCoords;\n    this._flatCoordsOffset = result.flatCoordsOffset;\n\n    if (result.flatCoords) {\n      option.data = new Float32Array(result.count);\n    }\n\n    LinesGLSeries.superApply(this, 'mergeOption', arguments);\n  },\n  appendData: function (params) {\n    var result = this._processFlatCoordsArray(params.data);\n\n    if (result.flatCoords) {\n      if (!this._flatCoords) {\n        this._flatCoords = result.flatCoords;\n        this._flatCoordsOffset = result.flatCoordsOffset;\n      } else {\n        this._flatCoords = concatArray(this._flatCoords, result.flatCoords);\n        this._flatCoordsOffset = concatArray(this._flatCoordsOffset, result.flatCoordsOffset);\n      }\n\n      params.data = new Float32Array(result.count);\n    }\n\n    this.getRawData().appendData(params.data);\n  },\n  _getCoordsFromItemModel: function (idx) {\n    var itemModel = this.getData().getItemModel(idx);\n    var coords = itemModel.option instanceof Array ? itemModel.option : itemModel.getShallow('coords');\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (!(coords instanceof Array && coords.length > 0 && coords[0] instanceof Array)) {\n        throw new Error('Invalid coords ' + JSON.stringify(coords) + '. Lines must have 2d coords array in data item.');\n      }\n    }\n\n    return coords;\n  },\n  getLineCoordsCount: function (idx) {\n    if (this._flatCoordsOffset) {\n      return this._flatCoordsOffset[idx * 2 + 1];\n    } else {\n      return this._getCoordsFromItemModel(idx).length;\n    }\n  },\n  getLineCoords: function (idx, out) {\n    if (this._flatCoordsOffset) {\n      var offset = this._flatCoordsOffset[idx * 2];\n      var len = this._flatCoordsOffset[idx * 2 + 1];\n\n      for (var i = 0; i < len; i++) {\n        out[i] = out[i] || [];\n        out[i][0] = this._flatCoords[offset + i * 2];\n        out[i][1] = this._flatCoords[offset + i * 2 + 1];\n      }\n\n      return len;\n    } else {\n      var coords = this._getCoordsFromItemModel(idx);\n\n      for (var i = 0; i < coords.length; i++) {\n        out[i] = out[i] || [];\n        out[i][0] = coords[i][0];\n        out[i][1] = coords[i][1];\n      }\n\n      return coords.length;\n    }\n  },\n  _processFlatCoordsArray: function (data) {\n    var startOffset = 0;\n\n    if (this._flatCoords) {\n      startOffset = this._flatCoords.length;\n    } // Stored as a typed array. In format\n    // Points Count(2) | x | y | x | y | Points Count(3) | x |  y | x | y | x | y |\n\n\n    if (typeof data[0] === 'number') {\n      var len = data.length; // Store offset and len of each segment\n\n      var coordsOffsetAndLenStorage = new Uint32Array(len);\n      var coordsStorage = new Float64Array(len);\n      var coordsCursor = 0;\n      var offsetCursor = 0;\n      var dataCount = 0;\n\n      for (var i = 0; i < len;) {\n        dataCount++;\n        var count = data[i++]; // Offset\n\n        coordsOffsetAndLenStorage[offsetCursor++] = coordsCursor + startOffset; // Len\n\n        coordsOffsetAndLenStorage[offsetCursor++] = count;\n\n        for (var k = 0; k < count; k++) {\n          var x = data[i++];\n          var y = data[i++];\n          coordsStorage[coordsCursor++] = x;\n          coordsStorage[coordsCursor++] = y;\n\n          if (i > len) {\n            if (process.env.NODE_ENV !== 'production') {\n              throw new Error('Invalid data format.');\n            }\n          }\n        }\n      }\n\n      return {\n        flatCoordsOffset: new Uint32Array(coordsOffsetAndLenStorage.buffer, 0, offsetCursor),\n        flatCoords: coordsStorage,\n        count: dataCount\n      };\n    }\n\n    return {\n      flatCoordsOffset: null,\n      flatCoords: null,\n      count: data.length\n    };\n  },\n  getInitialData: function (option, ecModel) {\n    var lineData = new echarts.List(['value'], this);\n    lineData.hasItemOption = false;\n    lineData.initData(option.data, [], function (dataItem, dimName, dataIndex, dimIndex) {\n      // dataItem is simply coords\n      if (dataItem instanceof Array) {\n        return NaN;\n      } else {\n        lineData.hasItemOption = true;\n        var value = dataItem.value;\n\n        if (value != null) {\n          return value instanceof Array ? value[dimIndex] : value;\n        }\n      }\n    });\n    return lineData;\n  },\n  defaultOption: {\n    coordinateSystem: 'geo',\n    zlevel: 10,\n    progressive: 1e4,\n    progressiveThreshold: 5e4,\n    // Cartesian coordinate system\n    // xAxisIndex: 0,\n    // yAxisIndex: 0,\n    // Geo coordinate system\n    // geoIndex: 0,\n    // Support source-over, lighter\n    blendMode: 'source-over',\n    lineStyle: {\n      opacity: 0.8\n    },\n    postEffect: {\n      enable: false,\n      colorCorrection: {\n        exposure: 0,\n        brightness: 0,\n        contrast: 1,\n        saturation: 1,\n        enable: true\n      }\n    }\n  }\n});\nexport default LinesGLSeries;","import * as echarts from 'echarts/lib/echarts';\nimport graphicGL from '../../util/graphicGL';\nimport ViewGL from '../../core/ViewGL';\nimport Lines2DGeometry from '../../util/geometry/Lines2D';\nimport GLViewHelper from '../common/GLViewHelper';\nimport { getItemVisualColor, getItemVisualOpacity } from '../../util/visual';\nimport retrieve from '../../util/retrieve';\nexport default echarts.ChartView.extend({\n  type: 'linesGL',\n  __ecgl__: true,\n  init: function (ecModel, api) {\n    this.groupGL = new graphicGL.Node();\n    this.viewGL = new ViewGL('orthographic');\n    this.viewGL.add(this.groupGL);\n    this._glViewHelper = new GLViewHelper(this.viewGL);\n    this._nativeLinesShader = graphicGL.createShader('ecgl.lines3D');\n    this._meshLinesShader = graphicGL.createShader('ecgl.meshLines3D');\n    this._linesMeshes = [];\n    this._currentStep = 0;\n  },\n  render: function (seriesModel, ecModel, api) {\n    this.groupGL.removeAll();\n\n    this._glViewHelper.reset(seriesModel, api);\n\n    var linesMesh = this._linesMeshes[0];\n\n    if (!linesMesh) {\n      linesMesh = this._linesMeshes[0] = this._createLinesMesh(seriesModel);\n    }\n\n    this._linesMeshes.length = 1;\n    this.groupGL.add(linesMesh);\n\n    this._updateLinesMesh(seriesModel, linesMesh, 0, seriesModel.getData().count());\n\n    this.viewGL.setPostEffect(seriesModel.getModel('postEffect'), api);\n  },\n  incrementalPrepareRender: function (seriesModel, ecModel, api) {\n    this.groupGL.removeAll();\n\n    this._glViewHelper.reset(seriesModel, api);\n\n    this._currentStep = 0;\n    this.viewGL.setPostEffect(seriesModel.getModel('postEffect'), api);\n  },\n  incrementalRender: function (params, seriesModel, ecModel, api) {\n    var linesMesh = this._linesMeshes[this._currentStep];\n\n    if (!linesMesh) {\n      linesMesh = this._createLinesMesh(seriesModel);\n      this._linesMeshes[this._currentStep] = linesMesh;\n    }\n\n    this._updateLinesMesh(seriesModel, linesMesh, params.start, params.end);\n\n    this.groupGL.add(linesMesh);\n    api.getZr().refresh();\n    this._currentStep++;\n  },\n  updateTransform: function (seriesModel, ecModel, api) {\n    if (seriesModel.coordinateSystem.getRoamTransform) {\n      this._glViewHelper.updateTransform(seriesModel, api);\n    }\n  },\n  _createLinesMesh: function (seriesModel) {\n    var linesMesh = new graphicGL.Mesh({\n      $ignorePicking: true,\n      material: new graphicGL.Material({\n        shader: graphicGL.createShader('ecgl.lines3D'),\n        transparent: true,\n        depthMask: false,\n        depthTest: false\n      }),\n      geometry: new Lines2DGeometry({\n        segmentScale: 10,\n        useNativeLine: true,\n        dynamic: false\n      }),\n      mode: graphicGL.Mesh.LINES,\n      culling: false\n    });\n    return linesMesh;\n  },\n  _updateLinesMesh: function (seriesModel, linesMesh, start, end) {\n    var data = seriesModel.getData();\n    linesMesh.material.blend = seriesModel.get('blendMode') === 'lighter' ? graphicGL.additiveBlend : null;\n    var curveness = seriesModel.get('lineStyle.curveness') || 0;\n    var isPolyline = seriesModel.get('polyline');\n    var geometry = linesMesh.geometry;\n    var coordSys = seriesModel.coordinateSystem;\n    var lineWidth = retrieve.firstNotNull(seriesModel.get('lineStyle.width'), 1);\n\n    if (lineWidth > 1) {\n      if (linesMesh.material.shader !== this._meshLinesShader) {\n        linesMesh.material.attachShader(this._meshLinesShader);\n      }\n\n      linesMesh.mode = graphicGL.Mesh.TRIANGLES;\n    } else {\n      if (linesMesh.material.shader !== this._nativeLinesShader) {\n        linesMesh.material.attachShader(this._nativeLinesShader);\n      }\n\n      linesMesh.mode = graphicGL.Mesh.LINES;\n    }\n\n    start = start || 0;\n    end = end || data.count();\n    geometry.resetOffset();\n    var vertexCount = 0;\n    var triangleCount = 0;\n    var p0 = [];\n    var p1 = [];\n    var p2 = [];\n    var p3 = [];\n    var lineCoords = [];\n    var t = 0.3;\n    var t2 = 0.7;\n\n    function updateBezierControlPoints() {\n      p1[0] = p0[0] * t2 + p3[0] * t - (p0[1] - p3[1]) * curveness;\n      p1[1] = p0[1] * t2 + p3[1] * t - (p3[0] - p0[0]) * curveness;\n      p2[0] = p0[0] * t + p3[0] * t2 - (p0[1] - p3[1]) * curveness;\n      p2[1] = p0[1] * t + p3[1] * t2 - (p3[0] - p0[0]) * curveness;\n    }\n\n    if (isPolyline || curveness !== 0) {\n      for (var idx = start; idx < end; idx++) {\n        if (isPolyline) {\n          var count = seriesModel.getLineCoordsCount(idx);\n          vertexCount += geometry.getPolylineVertexCount(count);\n          triangleCount += geometry.getPolylineTriangleCount(count);\n        } else {\n          seriesModel.getLineCoords(idx, lineCoords);\n\n          this._glViewHelper.dataToPoint(coordSys, lineCoords[0], p0);\n\n          this._glViewHelper.dataToPoint(coordSys, lineCoords[1], p3);\n\n          updateBezierControlPoints();\n          vertexCount += geometry.getCubicCurveVertexCount(p0, p1, p2, p3);\n          triangleCount += geometry.getCubicCurveTriangleCount(p0, p1, p2, p3);\n        }\n      }\n    } else {\n      var lineCount = end - start;\n      vertexCount += lineCount * geometry.getLineVertexCount();\n      triangleCount += lineCount * geometry.getLineVertexCount();\n    }\n\n    geometry.setVertexCount(vertexCount);\n    geometry.setTriangleCount(triangleCount);\n    var dataIndex = start;\n    var colorArr = [];\n\n    for (var idx = start; idx < end; idx++) {\n      graphicGL.parseColor(getItemVisualColor(data, dataIndex), colorArr);\n      var opacity = retrieve.firstNotNull(getItemVisualOpacity(data, dataIndex), 1);\n      colorArr[3] *= opacity;\n      var count = seriesModel.getLineCoords(idx, lineCoords);\n\n      for (var k = 0; k < count; k++) {\n        this._glViewHelper.dataToPoint(coordSys, lineCoords[k], lineCoords[k]);\n      }\n\n      if (isPolyline) {\n        geometry.addPolyline(lineCoords, colorArr, lineWidth, 0, count);\n      } else if (curveness !== 0) {\n        p0 = lineCoords[0];\n        p3 = lineCoords[1];\n        updateBezierControlPoints();\n        geometry.addCubicCurve(p0, p1, p2, p3, colorArr, lineWidth);\n      } else {\n        geometry.addPolyline(lineCoords, colorArr, lineWidth, 0, 2);\n      }\n\n      dataIndex++;\n    }\n  },\n  dispose: function () {\n    this.groupGL.removeAll();\n  },\n  remove: function () {\n    this.groupGL.removeAll();\n  }\n});","import { use } from 'echarts/lib/echarts';\nimport { install } from './linesGL/install';\nuse(install);","// TODO ECharts GL must be imported whatever component,charts is imported.\nimport '../../echarts-gl';\nimport LinesGLSeries from './LinesGLSeries';\nimport LinesGLView from './LinesGLView';\nexport function install(registers) {\n  registers.registerChartView(LinesGLView);\n  registers.registerSeriesModel(LinesGLSeries);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { each, isObject, isArray, createHashMap, map, assert, isString, indexOf, isStringSafe } from 'zrender/lib/core/util';\nimport env from 'zrender/lib/core/env';\nimport { isNumeric, getRandomIdBase, getPrecisionSafe, round } from './number';\nimport { interpolateNumber } from 'zrender/lib/animation/Animator';\nimport { warn } from './log';\n/**\n * Make the name displayable. But we should\n * make sure it is not duplicated with user\n * specified name, so use '\\0';\n */\n\nvar DUMMY_COMPONENT_NAME_PREFIX = 'series\\0';\nvar INTERNAL_COMPONENT_ID_PREFIX = '\\0_ec_\\0';\n/**\n * If value is not array, then translate it to array.\n * @param  {*} value\n * @return {Array} [value] or value\n */\n\nexport function normalizeToArray(value) {\n  return value instanceof Array ? value : value == null ? [] : [value];\n}\n/**\n * Sync default option between normal and emphasis like `position` and `show`\n * In case some one will write code like\n *     label: {\n *          show: false,\n *          position: 'outside',\n *          fontSize: 18\n *     },\n *     emphasis: {\n *          label: { show: true }\n *     }\n */\n\nexport function defaultEmphasis(opt, key, subOpts) {\n  // Caution: performance sensitive.\n  if (opt) {\n    opt[key] = opt[key] || {};\n    opt.emphasis = opt.emphasis || {};\n    opt.emphasis[key] = opt.emphasis[key] || {}; // Default emphasis option from normal\n\n    for (var i = 0, len = subOpts.length; i < len; i++) {\n      var subOptName = subOpts[i];\n\n      if (!opt.emphasis[key].hasOwnProperty(subOptName) && opt[key].hasOwnProperty(subOptName)) {\n        opt.emphasis[key][subOptName] = opt[key][subOptName];\n      }\n    }\n  }\n}\nexport var TEXT_STYLE_OPTIONS = ['fontStyle', 'fontWeight', 'fontSize', 'fontFamily', 'rich', 'tag', 'color', 'textBorderColor', 'textBorderWidth', 'width', 'height', 'lineHeight', 'align', 'verticalAlign', 'baseline', 'shadowColor', 'shadowBlur', 'shadowOffsetX', 'shadowOffsetY', 'textShadowColor', 'textShadowBlur', 'textShadowOffsetX', 'textShadowOffsetY', 'backgroundColor', 'borderColor', 'borderWidth', 'borderRadius', 'padding']; // modelUtil.LABEL_OPTIONS = modelUtil.TEXT_STYLE_OPTIONS.concat([\n//     'position', 'offset', 'rotate', 'origin', 'show', 'distance', 'formatter',\n//     'fontStyle', 'fontWeight', 'fontSize', 'fontFamily',\n//     // FIXME: deprecated, check and remove it.\n//     'textStyle'\n// ]);\n\n/**\n * The method do not ensure performance.\n * data could be [12, 2323, {value: 223}, [1221, 23], {value: [2, 23]}]\n * This helper method retieves value from data.\n */\n\nexport function getDataItemValue(dataItem) {\n  return isObject(dataItem) && !isArray(dataItem) && !(dataItem instanceof Date) ? dataItem.value : dataItem;\n}\n/**\n * data could be [12, 2323, {value: 223}, [1221, 23], {value: [2, 23]}]\n * This helper method determine if dataItem has extra option besides value\n */\n\nexport function isDataItemOption(dataItem) {\n  return isObject(dataItem) && !(dataItem instanceof Array); // // markLine data can be array\n  // && !(dataItem[0] && isObject(dataItem[0]) && !(dataItem[0] instanceof Array));\n}\n;\n/**\n * Mapping to existings for merge.\n *\n * Mode \"normalMege\":\n *     The mapping result (merge result) will keep the order of the existing\n *     component, rather than the order of new option. Because we should ensure\n *     some specified index reference (like xAxisIndex) keep work.\n *     And in most cases, \"merge option\" is used to update partial option but not\n *     be expected to change the order.\n *\n * Mode \"replaceMege\":\n *     (1) Only the id mapped components will be merged.\n *     (2) Other existing components (except internal compoonets) will be removed.\n *     (3) Other new options will be used to create new component.\n *     (4) The index of the existing compoents will not be modified.\n *     That means their might be \"hole\" after the removal.\n *     The new components are created first at those available index.\n *\n * Mode \"replaceAll\":\n *     This mode try to support that reproduce an echarts instance from another\n *     echarts instance (via `getOption`) in some simple cases.\n *     In this senario, the `result` index are exactly the consistent with the `newCmptOptions`,\n *     which ensures the compoennt index referring (like `xAxisIndex: ?`) corrent. That is,\n *     the \"hole\" in `newCmptOptions` will also be kept.\n *     On the contrary, other modes try best to eliminate holes.\n *     PENDING: This is an experimental mode yet.\n *\n * @return See the comment of <MappingResult>.\n */\n\nexport function mappingToExists(existings, newCmptOptions, mode) {\n  var isNormalMergeMode = mode === 'normalMerge';\n  var isReplaceMergeMode = mode === 'replaceMerge';\n  var isReplaceAllMode = mode === 'replaceAll';\n  existings = existings || [];\n  newCmptOptions = (newCmptOptions || []).slice();\n  var existingIdIdxMap = createHashMap(); // Validate id and name on user input option.\n\n  each(newCmptOptions, function (cmptOption, index) {\n    if (!isObject(cmptOption)) {\n      newCmptOptions[index] = null;\n      return;\n    }\n\n    if (process.env.NODE_ENV !== 'production') {\n      // There is some legacy case that name is set as `false`.\n      // But should work normally rather than throw error.\n      if (cmptOption.id != null && !isValidIdOrName(cmptOption.id)) {\n        warnInvalidateIdOrName(cmptOption.id);\n      }\n\n      if (cmptOption.name != null && !isValidIdOrName(cmptOption.name)) {\n        warnInvalidateIdOrName(cmptOption.name);\n      }\n    }\n  });\n  var result = prepareResult(existings, existingIdIdxMap, mode);\n\n  if (isNormalMergeMode || isReplaceMergeMode) {\n    mappingById(result, existings, existingIdIdxMap, newCmptOptions);\n  }\n\n  if (isNormalMergeMode) {\n    mappingByName(result, newCmptOptions);\n  }\n\n  if (isNormalMergeMode || isReplaceMergeMode) {\n    mappingByIndex(result, newCmptOptions, isReplaceMergeMode);\n  } else if (isReplaceAllMode) {\n    mappingInReplaceAllMode(result, newCmptOptions);\n  }\n\n  makeIdAndName(result); // The array `result` MUST NOT contain elided items, otherwise the\n  // forEach will ommit those items and result in incorrect result.\n\n  return result;\n}\n\nfunction prepareResult(existings, existingIdIdxMap, mode) {\n  var result = [];\n\n  if (mode === 'replaceAll') {\n    return result;\n  } // Do not use native `map` to in case that the array `existings`\n  // contains elided items, which will be ommited.\n\n\n  for (var index = 0; index < existings.length; index++) {\n    var existing = existings[index]; // Because of replaceMerge, `existing` may be null/undefined.\n\n    if (existing && existing.id != null) {\n      existingIdIdxMap.set(existing.id, index);\n    } // For non-internal-componnets:\n    //     Mode \"normalMerge\": all existings kept.\n    //     Mode \"replaceMerge\": all existing removed unless mapped by id.\n    // For internal-components:\n    //     go with \"replaceMerge\" approach in both mode.\n\n\n    result.push({\n      existing: mode === 'replaceMerge' || isComponentIdInternal(existing) ? null : existing,\n      newOption: null,\n      keyInfo: null,\n      brandNew: null\n    });\n  }\n\n  return result;\n}\n\nfunction mappingById(result, existings, existingIdIdxMap, newCmptOptions) {\n  // Mapping by id if specified.\n  each(newCmptOptions, function (cmptOption, index) {\n    if (!cmptOption || cmptOption.id == null) {\n      return;\n    }\n\n    var optionId = makeComparableKey(cmptOption.id);\n    var existingIdx = existingIdIdxMap.get(optionId);\n\n    if (existingIdx != null) {\n      var resultItem = result[existingIdx];\n      assert(!resultItem.newOption, 'Duplicated option on id \"' + optionId + '\".');\n      resultItem.newOption = cmptOption; // In both mode, if id matched, new option will be merged to\n      // the existings rather than creating new component model.\n\n      resultItem.existing = existings[existingIdx];\n      newCmptOptions[index] = null;\n    }\n  });\n}\n\nfunction mappingByName(result, newCmptOptions) {\n  // Mapping by name if specified.\n  each(newCmptOptions, function (cmptOption, index) {\n    if (!cmptOption || cmptOption.name == null) {\n      return;\n    }\n\n    for (var i = 0; i < result.length; i++) {\n      var existing = result[i].existing;\n\n      if (!result[i].newOption // Consider name: two map to one.\n      // Can not match when both ids existing but different.\n      && existing && (existing.id == null || cmptOption.id == null) && !isComponentIdInternal(cmptOption) && !isComponentIdInternal(existing) && keyExistAndEqual('name', existing, cmptOption)) {\n        result[i].newOption = cmptOption;\n        newCmptOptions[index] = null;\n        return;\n      }\n    }\n  });\n}\n\nfunction mappingByIndex(result, newCmptOptions, brandNew) {\n  each(newCmptOptions, function (cmptOption) {\n    if (!cmptOption) {\n      return;\n    } // Find the first place that not mapped by id and not internal component (consider the \"hole\").\n\n\n    var resultItem;\n    var nextIdx = 0;\n\n    while ( // Be `!resultItem` only when `nextIdx >= result.length`.\n    (resultItem = result[nextIdx]) && ( // (1) Existing models that already have id should be able to mapped to. Because\n    // after mapping performed, model will always be assigned with an id if user not given.\n    // After that all models have id.\n    // (2) If new option has id, it can only set to a hole or append to the last. It should\n    // not be merged to the existings with different id. Because id should not be overwritten.\n    // (3) Name can be overwritten, because axis use name as 'show label text'.\n    resultItem.newOption || isComponentIdInternal(resultItem.existing) || // In mode \"replaceMerge\", here no not-mapped-non-internal-existing.\n    resultItem.existing && cmptOption.id != null && !keyExistAndEqual('id', cmptOption, resultItem.existing))) {\n      nextIdx++;\n    }\n\n    if (resultItem) {\n      resultItem.newOption = cmptOption;\n      resultItem.brandNew = brandNew;\n    } else {\n      result.push({\n        newOption: cmptOption,\n        brandNew: brandNew,\n        existing: null,\n        keyInfo: null\n      });\n    }\n\n    nextIdx++;\n  });\n}\n\nfunction mappingInReplaceAllMode(result, newCmptOptions) {\n  each(newCmptOptions, function (cmptOption) {\n    // The feature \"reproduce\" requires \"hole\" will also reproduced\n    // in case that compoennt index referring are broken.\n    result.push({\n      newOption: cmptOption,\n      brandNew: true,\n      existing: null,\n      keyInfo: null\n    });\n  });\n}\n/**\n * Make id and name for mapping result (result of mappingToExists)\n * into `keyInfo` field.\n */\n\n\nfunction makeIdAndName(mapResult) {\n  // We use this id to hash component models and view instances\n  // in echarts. id can be specified by user, or auto generated.\n  // The id generation rule ensures new view instance are able\n  // to mapped to old instance when setOption are called in\n  // no-merge mode. So we generate model id by name and plus\n  // type in view id.\n  // name can be duplicated among components, which is convenient\n  // to specify multi components (like series) by one name.\n  // Ensure that each id is distinct.\n  var idMap = createHashMap();\n  each(mapResult, function (item) {\n    var existing = item.existing;\n    existing && idMap.set(existing.id, item);\n  });\n  each(mapResult, function (item) {\n    var opt = item.newOption; // Force ensure id not duplicated.\n\n    assert(!opt || opt.id == null || !idMap.get(opt.id) || idMap.get(opt.id) === item, 'id duplicates: ' + (opt && opt.id));\n    opt && opt.id != null && idMap.set(opt.id, item);\n    !item.keyInfo && (item.keyInfo = {});\n  }); // Make name and id.\n\n  each(mapResult, function (item, index) {\n    var existing = item.existing;\n    var opt = item.newOption;\n    var keyInfo = item.keyInfo;\n\n    if (!isObject(opt)) {\n      return;\n    } // name can be overwitten. Consider case: axis.name = '20km'.\n    // But id generated by name will not be changed, which affect\n    // only in that case: setOption with 'not merge mode' and view\n    // instance will be recreated, which can be accepted.\n\n\n    keyInfo.name = opt.name != null ? makeComparableKey(opt.name) : existing ? existing.name // Avoid diffferent series has the same name,\n    // because name may be used like in color pallet.\n    : DUMMY_COMPONENT_NAME_PREFIX + index;\n\n    if (existing) {\n      keyInfo.id = makeComparableKey(existing.id);\n    } else if (opt.id != null) {\n      keyInfo.id = makeComparableKey(opt.id);\n    } else {\n      // Consider this situatoin:\n      //  optionA: [{name: 'a'}, {name: 'a'}, {..}]\n      //  optionB [{..}, {name: 'a'}, {name: 'a'}]\n      // Series with the same name between optionA and optionB\n      // should be mapped.\n      var idNum = 0;\n\n      do {\n        keyInfo.id = '\\0' + keyInfo.name + '\\0' + idNum++;\n      } while (idMap.get(keyInfo.id));\n    }\n\n    idMap.set(keyInfo.id, item);\n  });\n}\n\nfunction keyExistAndEqual(attr, obj1, obj2) {\n  var key1 = convertOptionIdName(obj1[attr], null);\n  var key2 = convertOptionIdName(obj2[attr], null); // See `MappingExistingItem`. `id` and `name` trade string equals to number.\n\n  return key1 != null && key2 != null && key1 === key2;\n}\n/**\n * @return return null if not exist.\n */\n\n\nfunction makeComparableKey(val) {\n  if (process.env.NODE_ENV !== 'production') {\n    if (val == null) {\n      throw new Error();\n    }\n  }\n\n  return convertOptionIdName(val, '');\n}\n\nexport function convertOptionIdName(idOrName, defaultValue) {\n  if (idOrName == null) {\n    return defaultValue;\n  }\n\n  var type = typeof idOrName;\n  return type === 'string' ? idOrName : type === 'number' || isStringSafe(idOrName) ? idOrName + '' : defaultValue;\n}\n\nfunction warnInvalidateIdOrName(idOrName) {\n  if (process.env.NODE_ENV !== 'production') {\n    warn('`' + idOrName + '` is invalid id or name. Must be a string or number.');\n  }\n}\n\nfunction isValidIdOrName(idOrName) {\n  return isStringSafe(idOrName) || isNumeric(idOrName);\n}\n\nexport function isNameSpecified(componentModel) {\n  var name = componentModel.name; // Is specified when `indexOf` get -1 or > 0.\n\n  return !!(name && name.indexOf(DUMMY_COMPONENT_NAME_PREFIX));\n}\n/**\n * @public\n * @param {Object} cmptOption\n * @return {boolean}\n */\n\nexport function isComponentIdInternal(cmptOption) {\n  return cmptOption && cmptOption.id != null && makeComparableKey(cmptOption.id).indexOf(INTERNAL_COMPONENT_ID_PREFIX) === 0;\n}\nexport function makeInternalComponentId(idSuffix) {\n  return INTERNAL_COMPONENT_ID_PREFIX + idSuffix;\n}\nexport function setComponentTypeToKeyInfo(mappingResult, mainType, componentModelCtor) {\n  // Set mainType and complete subType.\n  each(mappingResult, function (item) {\n    var newOption = item.newOption;\n\n    if (isObject(newOption)) {\n      item.keyInfo.mainType = mainType;\n      item.keyInfo.subType = determineSubType(mainType, newOption, item.existing, componentModelCtor);\n    }\n  });\n}\n\nfunction determineSubType(mainType, newCmptOption, existComponent, componentModelCtor) {\n  var subType = newCmptOption.type ? newCmptOption.type : existComponent ? existComponent.subType // Use determineSubType only when there is no existComponent.\n  : componentModelCtor.determineSubType(mainType, newCmptOption); // tooltip, markline, markpoint may always has no subType\n\n  return subType;\n}\n/**\n * A helper for removing duplicate items between batchA and batchB,\n * and in themselves, and categorize by series.\n *\n * @param batchA Like: [{seriesId: 2, dataIndex: [32, 4, 5]}, ...]\n * @param batchB Like: [{seriesId: 2, dataIndex: [32, 4, 5]}, ...]\n * @return result: [resultBatchA, resultBatchB]\n */\n\n\nexport function compressBatches(batchA, batchB) {\n  var mapA = {};\n  var mapB = {};\n  makeMap(batchA || [], mapA);\n  makeMap(batchB || [], mapB, mapA);\n  return [mapToArray(mapA), mapToArray(mapB)];\n\n  function makeMap(sourceBatch, map, otherMap) {\n    for (var i = 0, len = sourceBatch.length; i < len; i++) {\n      var seriesId = convertOptionIdName(sourceBatch[i].seriesId, null);\n\n      if (seriesId == null) {\n        return;\n      }\n\n      var dataIndices = normalizeToArray(sourceBatch[i].dataIndex);\n      var otherDataIndices = otherMap && otherMap[seriesId];\n\n      for (var j = 0, lenj = dataIndices.length; j < lenj; j++) {\n        var dataIndex = dataIndices[j];\n\n        if (otherDataIndices && otherDataIndices[dataIndex]) {\n          otherDataIndices[dataIndex] = null;\n        } else {\n          (map[seriesId] || (map[seriesId] = {}))[dataIndex] = 1;\n        }\n      }\n    }\n  }\n\n  function mapToArray(map, isData) {\n    var result = [];\n\n    for (var i in map) {\n      if (map.hasOwnProperty(i) && map[i] != null) {\n        if (isData) {\n          result.push(+i);\n        } else {\n          var dataIndices = mapToArray(map[i], true);\n          dataIndices.length && result.push({\n            seriesId: i,\n            dataIndex: dataIndices\n          });\n        }\n      }\n    }\n\n    return result;\n  }\n}\n/**\n * @param payload Contains dataIndex (means rawIndex) / dataIndexInside / name\n *                         each of which can be Array or primary type.\n * @return dataIndex If not found, return undefined/null.\n */\n\nexport function queryDataIndex(data, payload) {\n  if (payload.dataIndexInside != null) {\n    return payload.dataIndexInside;\n  } else if (payload.dataIndex != null) {\n    return isArray(payload.dataIndex) ? map(payload.dataIndex, function (value) {\n      return data.indexOfRawIndex(value);\n    }) : data.indexOfRawIndex(payload.dataIndex);\n  } else if (payload.name != null) {\n    return isArray(payload.name) ? map(payload.name, function (value) {\n      return data.indexOfName(value);\n    }) : data.indexOfName(payload.name);\n  }\n}\n/**\n * Enable property storage to any host object.\n * Notice: Serialization is not supported.\n *\n * For example:\n * let inner = zrUitl.makeInner();\n *\n * function some1(hostObj) {\n *      inner(hostObj).someProperty = 1212;\n *      ...\n * }\n * function some2() {\n *      let fields = inner(this);\n *      fields.someProperty1 = 1212;\n *      fields.someProperty2 = 'xx';\n *      ...\n * }\n *\n * @return {Function}\n */\n\nexport function makeInner() {\n  var key = '__ec_inner_' + innerUniqueIndex++;\n  return function (hostObj) {\n    return hostObj[key] || (hostObj[key] = {});\n  };\n}\nvar innerUniqueIndex = getRandomIdBase();\n/**\n * The same behavior as `component.getReferringComponents`.\n */\n\nexport function parseFinder(ecModel, finderInput, opt) {\n  var _a = preParseFinder(finderInput, opt),\n      mainTypeSpecified = _a.mainTypeSpecified,\n      queryOptionMap = _a.queryOptionMap,\n      others = _a.others;\n\n  var result = others;\n  var defaultMainType = opt ? opt.defaultMainType : null;\n\n  if (!mainTypeSpecified && defaultMainType) {\n    queryOptionMap.set(defaultMainType, {});\n  }\n\n  queryOptionMap.each(function (queryOption, mainType) {\n    var queryResult = queryReferringComponents(ecModel, mainType, queryOption, {\n      useDefault: defaultMainType === mainType,\n      enableAll: opt && opt.enableAll != null ? opt.enableAll : true,\n      enableNone: opt && opt.enableNone != null ? opt.enableNone : true\n    });\n    result[mainType + 'Models'] = queryResult.models;\n    result[mainType + 'Model'] = queryResult.models[0];\n  });\n  return result;\n}\nexport function preParseFinder(finderInput, opt) {\n  var finder;\n\n  if (isString(finderInput)) {\n    var obj = {};\n    obj[finderInput + 'Index'] = 0;\n    finder = obj;\n  } else {\n    finder = finderInput;\n  }\n\n  var queryOptionMap = createHashMap();\n  var others = {};\n  var mainTypeSpecified = false;\n  each(finder, function (value, key) {\n    // Exclude 'dataIndex' and other illgal keys.\n    if (key === 'dataIndex' || key === 'dataIndexInside') {\n      others[key] = value;\n      return;\n    }\n\n    var parsedKey = key.match(/^(\\w+)(Index|Id|Name)$/) || [];\n    var mainType = parsedKey[1];\n    var queryType = (parsedKey[2] || '').toLowerCase();\n\n    if (!mainType || !queryType || opt && opt.includeMainTypes && indexOf(opt.includeMainTypes, mainType) < 0) {\n      return;\n    }\n\n    mainTypeSpecified = mainTypeSpecified || !!mainType;\n    var queryOption = queryOptionMap.get(mainType) || queryOptionMap.set(mainType, {});\n    queryOption[queryType] = value;\n  });\n  return {\n    mainTypeSpecified: mainTypeSpecified,\n    queryOptionMap: queryOptionMap,\n    others: others\n  };\n}\nexport var SINGLE_REFERRING = {\n  useDefault: true,\n  enableAll: false,\n  enableNone: false\n};\nexport var MULTIPLE_REFERRING = {\n  useDefault: false,\n  enableAll: true,\n  enableNone: true\n};\nexport function queryReferringComponents(ecModel, mainType, userOption, opt) {\n  opt = opt || SINGLE_REFERRING;\n  var indexOption = userOption.index;\n  var idOption = userOption.id;\n  var nameOption = userOption.name;\n  var result = {\n    models: null,\n    specified: indexOption != null || idOption != null || nameOption != null\n  };\n\n  if (!result.specified) {\n    // Use the first as default if `useDefault`.\n    var firstCmpt = void 0;\n    result.models = opt.useDefault && (firstCmpt = ecModel.getComponent(mainType)) ? [firstCmpt] : [];\n    return result;\n  }\n\n  if (indexOption === 'none' || indexOption === false) {\n    assert(opt.enableNone, '`\"none\"` or `false` is not a valid value on index option.');\n    result.models = [];\n    return result;\n  } // `queryComponents` will return all components if\n  // both all of index/id/name are null/undefined.\n\n\n  if (indexOption === 'all') {\n    assert(opt.enableAll, '`\"all\"` is not a valid value on index option.');\n    indexOption = idOption = nameOption = null;\n  }\n\n  result.models = ecModel.queryComponents({\n    mainType: mainType,\n    index: indexOption,\n    id: idOption,\n    name: nameOption\n  });\n  return result;\n}\nexport function setAttribute(dom, key, value) {\n  dom.setAttribute ? dom.setAttribute(key, value) : dom[key] = value;\n}\nexport function getAttribute(dom, key) {\n  return dom.getAttribute ? dom.getAttribute(key) : dom[key];\n}\nexport function getTooltipRenderMode(renderModeOption) {\n  if (renderModeOption === 'auto') {\n    // Using html when `document` exists, use richText otherwise\n    return env.domSupported ? 'html' : 'richText';\n  } else {\n    return renderModeOption || 'html';\n  }\n}\n/**\n * Group a list by key.\n */\n\nexport function groupData(array, getKey // return key\n) {\n  var buckets = createHashMap();\n  var keys = [];\n  each(array, function (item) {\n    var key = getKey(item);\n    (buckets.get(key) || (keys.push(key), buckets.set(key, []))).push(item);\n  });\n  return {\n    keys: keys,\n    buckets: buckets\n  };\n}\n/**\n * Interpolate raw values of a series with percent\n *\n * @param data         data\n * @param labelModel   label model of the text element\n * @param sourceValue  start value. May be null/undefined when init.\n * @param targetValue  end value\n * @param percent      0~1 percentage; 0 uses start value while 1 uses end value\n * @return             interpolated values\n *                     If `sourceValue` and `targetValue` are `number`, return `number`.\n *                     If `sourceValue` and `targetValue` are `string`, return `string`.\n *                     If `sourceValue` and `targetValue` are `(string | number)[]`, return `(string | number)[]`.\n *                     Other cases do not supported.\n */\n\nexport function interpolateRawValues(data, precision, sourceValue, targetValue, percent) {\n  var isAutoPrecision = precision == null || precision === 'auto';\n\n  if (targetValue == null) {\n    return targetValue;\n  }\n\n  if (typeof targetValue === 'number') {\n    var value = interpolateNumber(sourceValue || 0, targetValue, percent);\n    return round(value, isAutoPrecision ? Math.max(getPrecisionSafe(sourceValue || 0), getPrecisionSafe(targetValue)) : precision);\n  } else if (typeof targetValue === 'string') {\n    return percent < 1 ? sourceValue : targetValue;\n  } else {\n    var interpolated = [];\n    var leftArr = sourceValue;\n    var rightArr = targetValue;\n    var length_1 = Math.max(leftArr ? leftArr.length : 0, rightArr.length);\n\n    for (var i = 0; i < length_1; ++i) {\n      var info = data.getDimensionInfo(i); // Don't interpolate ordinal dims\n\n      if (info.type === 'ordinal') {\n        // In init, there is no `sourceValue`, but should better not to get undefined result.\n        interpolated[i] = (percent < 1 && leftArr ? leftArr : rightArr)[i];\n      } else {\n        var leftVal = leftArr && leftArr[i] ? leftArr[i] : 0;\n        var rightVal = rightArr[i];\n        var value = interpolateNumber(leftVal, rightVal, percent);\n        interpolated[i] = round(value, isAutoPrecision ? Math.max(getPrecisionSafe(leftVal), getPrecisionSafe(rightVal)) : precision);\n      }\n    }\n\n    return interpolated;\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as clazzUtil from '../util/clazz';\n\nvar Scale =\n/** @class */\nfunction () {\n  function Scale(setting) {\n    this._setting = setting || {};\n    this._extent = [Infinity, -Infinity];\n  }\n\n  Scale.prototype.getSetting = function (name) {\n    return this._setting[name];\n  };\n  /**\n   * Set extent from data\n   */\n\n\n  Scale.prototype.unionExtent = function (other) {\n    var extent = this._extent;\n    other[0] < extent[0] && (extent[0] = other[0]);\n    other[1] > extent[1] && (extent[1] = other[1]); // not setExtent because in log axis it may transformed to power\n    // this.setExtent(extent[0], extent[1]);\n  };\n  /**\n   * Set extent from data\n   */\n\n\n  Scale.prototype.unionExtentFromData = function (data, dim) {\n    this.unionExtent(data.getApproximateExtent(dim));\n  };\n  /**\n   * Get extent\n   *\n   * Extent is always in increase order.\n   */\n\n\n  Scale.prototype.getExtent = function () {\n    return this._extent.slice();\n  };\n  /**\n   * Set extent\n   */\n\n\n  Scale.prototype.setExtent = function (start, end) {\n    var thisExtent = this._extent;\n\n    if (!isNaN(start)) {\n      thisExtent[0] = start;\n    }\n\n    if (!isNaN(end)) {\n      thisExtent[1] = end;\n    }\n  };\n  /**\n   * If value is in extent range\n   */\n\n\n  Scale.prototype.isInExtentRange = function (value) {\n    return this._extent[0] <= value && this._extent[1] >= value;\n  };\n  /**\n   * When axis extent depends on data and no data exists,\n   * axis ticks should not be drawn, which is named 'blank'.\n   */\n\n\n  Scale.prototype.isBlank = function () {\n    return this._isBlank;\n  };\n  /**\n   * When axis extent depends on data and no data exists,\n   * axis ticks should not be drawn, which is named 'blank'.\n   */\n\n\n  Scale.prototype.setBlank = function (isBlank) {\n    this._isBlank = isBlank;\n  };\n\n  return Scale;\n}();\n\nclazzUtil.enableClassManagement(Scale);\nexport default Scale;","import * as vec2 from './vector';\nimport * as curve from './curve';\nvar mathMin = Math.min;\nvar mathMax = Math.max;\nvar mathSin = Math.sin;\nvar mathCos = Math.cos;\nvar PI2 = Math.PI * 2;\nvar start = vec2.create();\nvar end = vec2.create();\nvar extremity = vec2.create();\nexport function fromPoints(points, min, max) {\n    if (points.length === 0) {\n        return;\n    }\n    var p = points[0];\n    var left = p[0];\n    var right = p[0];\n    var top = p[1];\n    var bottom = p[1];\n    for (var i = 1; i < points.length; i++) {\n        p = points[i];\n        left = mathMin(left, p[0]);\n        right = mathMax(right, p[0]);\n        top = mathMin(top, p[1]);\n        bottom = mathMax(bottom, p[1]);\n    }\n    min[0] = left;\n    min[1] = top;\n    max[0] = right;\n    max[1] = bottom;\n}\nexport function fromLine(x0, y0, x1, y1, min, max) {\n    min[0] = mathMin(x0, x1);\n    min[1] = mathMin(y0, y1);\n    max[0] = mathMax(x0, x1);\n    max[1] = mathMax(y0, y1);\n}\nvar xDim = [];\nvar yDim = [];\nexport function fromCubic(x0, y0, x1, y1, x2, y2, x3, y3, min, max) {\n    var cubicExtrema = curve.cubicExtrema;\n    var cubicAt = curve.cubicAt;\n    var n = cubicExtrema(x0, x1, x2, x3, xDim);\n    min[0] = Infinity;\n    min[1] = Infinity;\n    max[0] = -Infinity;\n    max[1] = -Infinity;\n    for (var i = 0; i < n; i++) {\n        var x = cubicAt(x0, x1, x2, x3, xDim[i]);\n        min[0] = mathMin(x, min[0]);\n        max[0] = mathMax(x, max[0]);\n    }\n    n = cubicExtrema(y0, y1, y2, y3, yDim);\n    for (var i = 0; i < n; i++) {\n        var y = cubicAt(y0, y1, y2, y3, yDim[i]);\n        min[1] = mathMin(y, min[1]);\n        max[1] = mathMax(y, max[1]);\n    }\n    min[0] = mathMin(x0, min[0]);\n    max[0] = mathMax(x0, max[0]);\n    min[0] = mathMin(x3, min[0]);\n    max[0] = mathMax(x3, max[0]);\n    min[1] = mathMin(y0, min[1]);\n    max[1] = mathMax(y0, max[1]);\n    min[1] = mathMin(y3, min[1]);\n    max[1] = mathMax(y3, max[1]);\n}\nexport function fromQuadratic(x0, y0, x1, y1, x2, y2, min, max) {\n    var quadraticExtremum = curve.quadraticExtremum;\n    var quadraticAt = curve.quadraticAt;\n    var tx = mathMax(mathMin(quadraticExtremum(x0, x1, x2), 1), 0);\n    var ty = mathMax(mathMin(quadraticExtremum(y0, y1, y2), 1), 0);\n    var x = quadraticAt(x0, x1, x2, tx);\n    var y = quadraticAt(y0, y1, y2, ty);\n    min[0] = mathMin(x0, x2, x);\n    min[1] = mathMin(y0, y2, y);\n    max[0] = mathMax(x0, x2, x);\n    max[1] = mathMax(y0, y2, y);\n}\nexport function fromArc(x, y, rx, ry, startAngle, endAngle, anticlockwise, min, max) {\n    var vec2Min = vec2.min;\n    var vec2Max = vec2.max;\n    var diff = Math.abs(startAngle - endAngle);\n    if (diff % PI2 < 1e-4 && diff > 1e-4) {\n        min[0] = x - rx;\n        min[1] = y - ry;\n        max[0] = x + rx;\n        max[1] = y + ry;\n        return;\n    }\n    start[0] = mathCos(startAngle) * rx + x;\n    start[1] = mathSin(startAngle) * ry + y;\n    end[0] = mathCos(endAngle) * rx + x;\n    end[1] = mathSin(endAngle) * ry + y;\n    vec2Min(min, start, end);\n    vec2Max(max, start, end);\n    startAngle = startAngle % (PI2);\n    if (startAngle < 0) {\n        startAngle = startAngle + PI2;\n    }\n    endAngle = endAngle % (PI2);\n    if (endAngle < 0) {\n        endAngle = endAngle + PI2;\n    }\n    if (startAngle > endAngle && !anticlockwise) {\n        endAngle += PI2;\n    }\n    else if (startAngle < endAngle && anticlockwise) {\n        startAngle += PI2;\n    }\n    if (anticlockwise) {\n        var tmp = endAngle;\n        endAngle = startAngle;\n        startAngle = tmp;\n    }\n    for (var angle = 0; angle < endAngle; angle += Math.PI / 2) {\n        if (angle > startAngle) {\n            extremity[0] = mathCos(angle) * rx + x;\n            extremity[1] = mathSin(angle) * ry + y;\n            vec2Min(min, extremity, min);\n            vec2Max(max, extremity, max);\n        }\n    }\n}\n","import BoundingRect from '../core/BoundingRect';\nimport { createCanvas } from '../core/util';\nimport LRU from '../core/LRU';\nvar textWidthCache = {};\nexport var DEFAULT_FONT = '12px sans-serif';\nvar _ctx;\nvar _cachedFont;\nfunction defaultMeasureText(text, font) {\n    if (!_ctx) {\n        _ctx = createCanvas().getContext('2d');\n    }\n    if (_cachedFont !== font) {\n        _cachedFont = _ctx.font = font || DEFAULT_FONT;\n    }\n    return _ctx.measureText(text);\n}\nvar methods = {\n    measureText: defaultMeasureText\n};\nexport function $override(name, fn) {\n    methods[name] = fn;\n}\nexport function getWidth(text, font) {\n    font = font || DEFAULT_FONT;\n    var cacheOfFont = textWidthCache[font];\n    if (!cacheOfFont) {\n        cacheOfFont = textWidthCache[font] = new LRU(500);\n    }\n    var width = cacheOfFont.get(text);\n    if (width == null) {\n        width = methods.measureText(text, font).width;\n        cacheOfFont.put(text, width);\n    }\n    return width;\n}\nexport function innerGetBoundingRect(text, font, textAlign, textBaseline) {\n    var width = getWidth(text, font);\n    var height = getLineHeight(font);\n    var x = adjustTextX(0, width, textAlign);\n    var y = adjustTextY(0, height, textBaseline);\n    var rect = new BoundingRect(x, y, width, height);\n    return rect;\n}\nexport function getBoundingRect(text, font, textAlign, textBaseline) {\n    var textLines = ((text || '') + '').split('\\n');\n    var len = textLines.length;\n    if (len === 1) {\n        return innerGetBoundingRect(textLines[0], font, textAlign, textBaseline);\n    }\n    else {\n        var uniondRect = new BoundingRect(0, 0, 0, 0);\n        for (var i = 0; i < textLines.length; i++) {\n            var rect = innerGetBoundingRect(textLines[i], font, textAlign, textBaseline);\n            i === 0 ? uniondRect.copy(rect) : uniondRect.union(rect);\n        }\n        return uniondRect;\n    }\n}\nexport function adjustTextX(x, width, textAlign) {\n    if (textAlign === 'right') {\n        x -= width;\n    }\n    else if (textAlign === 'center') {\n        x -= width / 2;\n    }\n    return x;\n}\nexport function adjustTextY(y, height, verticalAlign) {\n    if (verticalAlign === 'middle') {\n        y -= height / 2;\n    }\n    else if (verticalAlign === 'bottom') {\n        y -= height;\n    }\n    return y;\n}\nexport function getLineHeight(font) {\n    return getWidth('国', font);\n}\nexport function measureText(text, font) {\n    return methods.measureText(text, font);\n}\nexport function parsePercent(value, maxValue) {\n    if (typeof value === 'string') {\n        if (value.lastIndexOf('%') >= 0) {\n            return parseFloat(value) / 100 * maxValue;\n        }\n        return parseFloat(value);\n    }\n    return value;\n}\nexport function calculateTextPosition(out, opts, rect) {\n    var textPosition = opts.position || 'inside';\n    var distance = opts.distance != null ? opts.distance : 5;\n    var height = rect.height;\n    var width = rect.width;\n    var halfHeight = height / 2;\n    var x = rect.x;\n    var y = rect.y;\n    var textAlign = 'left';\n    var textVerticalAlign = 'top';\n    if (textPosition instanceof Array) {\n        x += parsePercent(textPosition[0], rect.width);\n        y += parsePercent(textPosition[1], rect.height);\n        textAlign = null;\n        textVerticalAlign = null;\n    }\n    else {\n        switch (textPosition) {\n            case 'left':\n                x -= distance;\n                y += halfHeight;\n                textAlign = 'right';\n                textVerticalAlign = 'middle';\n                break;\n            case 'right':\n                x += distance + width;\n                y += halfHeight;\n                textVerticalAlign = 'middle';\n                break;\n            case 'top':\n                x += width / 2;\n                y -= distance;\n                textAlign = 'center';\n                textVerticalAlign = 'bottom';\n                break;\n            case 'bottom':\n                x += width / 2;\n                y += height + distance;\n                textAlign = 'center';\n                break;\n            case 'inside':\n                x += width / 2;\n                y += halfHeight;\n                textAlign = 'center';\n                textVerticalAlign = 'middle';\n                break;\n            case 'insideLeft':\n                x += distance;\n                y += halfHeight;\n                textVerticalAlign = 'middle';\n                break;\n            case 'insideRight':\n                x += width - distance;\n                y += halfHeight;\n                textAlign = 'right';\n                textVerticalAlign = 'middle';\n                break;\n            case 'insideTop':\n                x += width / 2;\n                y += distance;\n                textAlign = 'center';\n                break;\n            case 'insideBottom':\n                x += width / 2;\n                y += height - distance;\n                textAlign = 'center';\n                textVerticalAlign = 'bottom';\n                break;\n            case 'insideTopLeft':\n                x += distance;\n                y += distance;\n                break;\n            case 'insideTopRight':\n                x += width - distance;\n                y += distance;\n                textAlign = 'right';\n                break;\n            case 'insideBottomLeft':\n                x += distance;\n                y += height - distance;\n                textVerticalAlign = 'bottom';\n                break;\n            case 'insideBottomRight':\n                x += width - distance;\n                y += height - distance;\n                textAlign = 'right';\n                textVerticalAlign = 'bottom';\n                break;\n        }\n    }\n    out = out || {};\n    out.x = x;\n    out.y = y;\n    out.align = textAlign;\n    out.verticalAlign = textVerticalAlign;\n    return out;\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { each } from 'zrender/lib/core/util';\nimport Group from 'zrender/lib/graphic/Group';\nimport * as componentUtil from '../util/component';\nimport * as clazzUtil from '../util/clazz';\nimport * as modelUtil from '../util/model';\nimport { enterEmphasis, leaveEmphasis, getHighlightDigit } from '../util/states';\nimport { createTask } from '../core/task';\nimport createRenderPlanner from '../chart/helper/createRenderPlanner';\nvar inner = modelUtil.makeInner();\nvar renderPlanner = createRenderPlanner();\n\nvar ChartView =\n/** @class */\nfunction () {\n  function ChartView() {\n    this.group = new Group();\n    this.uid = componentUtil.getUID('viewChart');\n    this.renderTask = createTask({\n      plan: renderTaskPlan,\n      reset: renderTaskReset\n    });\n    this.renderTask.context = {\n      view: this\n    };\n  }\n\n  ChartView.prototype.init = function (ecModel, api) {};\n\n  ChartView.prototype.render = function (seriesModel, ecModel, api, payload) {};\n  /**\n   * Highlight series or specified data item.\n   */\n\n\n  ChartView.prototype.highlight = function (seriesModel, ecModel, api, payload) {\n    toggleHighlight(seriesModel.getData(), payload, 'emphasis');\n  };\n  /**\n   * Downplay series or specified data item.\n   */\n\n\n  ChartView.prototype.downplay = function (seriesModel, ecModel, api, payload) {\n    toggleHighlight(seriesModel.getData(), payload, 'normal');\n  };\n  /**\n   * Remove self.\n   */\n\n\n  ChartView.prototype.remove = function (ecModel, api) {\n    this.group.removeAll();\n  };\n  /**\n   * Dispose self.\n   */\n\n\n  ChartView.prototype.dispose = function (ecModel, api) {};\n\n  ChartView.prototype.updateView = function (seriesModel, ecModel, api, payload) {\n    this.render(seriesModel, ecModel, api, payload);\n  }; // FIXME never used?\n\n\n  ChartView.prototype.updateLayout = function (seriesModel, ecModel, api, payload) {\n    this.render(seriesModel, ecModel, api, payload);\n  }; // FIXME never used?\n\n\n  ChartView.prototype.updateVisual = function (seriesModel, ecModel, api, payload) {\n    this.render(seriesModel, ecModel, api, payload);\n  };\n\n  ChartView.markUpdateMethod = function (payload, methodName) {\n    inner(payload).updateMethod = methodName;\n  };\n\n  ChartView.protoInitialize = function () {\n    var proto = ChartView.prototype;\n    proto.type = 'chart';\n  }();\n\n  return ChartView;\n}();\n\n;\n/**\n * Set state of single element\n */\n\nfunction elSetState(el, state, highlightDigit) {\n  if (el) {\n    (state === 'emphasis' ? enterEmphasis : leaveEmphasis)(el, highlightDigit);\n  }\n}\n\nfunction toggleHighlight(data, payload, state) {\n  var dataIndex = modelUtil.queryDataIndex(data, payload);\n  var highlightDigit = payload && payload.highlightKey != null ? getHighlightDigit(payload.highlightKey) : null;\n\n  if (dataIndex != null) {\n    each(modelUtil.normalizeToArray(dataIndex), function (dataIdx) {\n      elSetState(data.getItemGraphicEl(dataIdx), state, highlightDigit);\n    });\n  } else {\n    data.eachItemGraphicEl(function (el) {\n      elSetState(el, state, highlightDigit);\n    });\n  }\n}\n\nclazzUtil.enableClassExtend(ChartView, ['dispose']);\nclazzUtil.enableClassManagement(ChartView);\n\nfunction renderTaskPlan(context) {\n  return renderPlanner(context.model);\n}\n\nfunction renderTaskReset(context) {\n  var seriesModel = context.model;\n  var ecModel = context.ecModel;\n  var api = context.api;\n  var payload = context.payload; // FIXME: remove updateView updateVisual\n\n  var progressiveRender = seriesModel.pipelineContext.progressiveRender;\n  var view = context.view;\n  var updateMethod = payload && inner(payload).updateMethod;\n  var methodName = progressiveRender ? 'incrementalPrepareRender' : updateMethod && view[updateMethod] ? updateMethod // `appendData` is also supported when data amount\n  // is less than progressive threshold.\n  : 'render';\n\n  if (methodName !== 'render') {\n    view[methodName](seriesModel, ecModel, api, payload);\n  }\n\n  return progressMethodMap[methodName];\n}\n\nvar progressMethodMap = {\n  incrementalPrepareRender: {\n    progress: function (params, context) {\n      context.view.incrementalRender(params, context.model, context.ecModel, context.api, context.payload);\n    }\n  },\n  render: {\n    // Put view.render in `progress` to support appendData. But in this case\n    // view.render should not be called in reset, otherwise it will be called\n    // twise. Use `forceFirstProgress` to make sure that view.render is called\n    // in any cases.\n    forceFirstProgress: true,\n    progress: function (params, context) {\n      context.view.render(context.model, context.ecModel, context.api, context.payload);\n    }\n  }\n};\nexport default ChartView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport Model from '../model/Model';\nimport env from 'zrender/lib/core/env'; // default import ZH and EN lang\n\nimport langEN from '../i18n/langEN';\nimport langZH from '../i18n/langZH';\nimport { isString, clone, merge } from 'zrender/lib/core/util';\nvar LOCALE_ZH = 'ZH';\nvar LOCALE_EN = 'EN';\nvar DEFAULT_LOCALE = LOCALE_EN;\nvar localeStorage = {};\nvar localeModels = {};\nexport var SYSTEM_LANG = !env.domSupported ? DEFAULT_LOCALE : function () {\n  var langStr = (\n  /* eslint-disable-next-line */\n  document.documentElement.lang || navigator.language || navigator.browserLanguage).toUpperCase();\n  return langStr.indexOf(LOCALE_ZH) > -1 ? LOCALE_ZH : DEFAULT_LOCALE;\n}();\nexport function registerLocale(locale, localeObj) {\n  locale = locale.toUpperCase();\n  localeModels[locale] = new Model(localeObj);\n  localeStorage[locale] = localeObj;\n} // export function getLocale(locale: string) {\n//     return localeStorage[locale];\n// }\n\nexport function createLocaleObject(locale) {\n  if (isString(locale)) {\n    var localeObj = localeStorage[locale.toUpperCase()] || {};\n\n    if (locale === LOCALE_ZH || locale === LOCALE_EN) {\n      return clone(localeObj);\n    } else {\n      return merge(clone(localeObj), clone(localeStorage[DEFAULT_LOCALE]), false);\n    }\n  } else {\n    return merge(clone(locale), clone(localeStorage[DEFAULT_LOCALE]), false);\n  }\n}\nexport function getLocaleModel(lang) {\n  return localeModels[lang];\n}\nexport function getDefaultLocaleModel() {\n  return localeModels[DEFAULT_LOCALE];\n} // Default locale\n\nregisterLocale(LOCALE_EN, langEN);\nregisterLocale(LOCALE_ZH, langZH);","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Language: English.\n */\nexport default {\n  time: {\n    month: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],\n    monthAbbr: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],\n    dayOfWeek: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],\n    dayOfWeekAbbr: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']\n  },\n  legend: {\n    selector: {\n      all: 'All',\n      inverse: 'Inv'\n    }\n  },\n  toolbox: {\n    brush: {\n      title: {\n        rect: 'Box Select',\n        polygon: 'Lasso Select',\n        lineX: 'Horizontally Select',\n        lineY: 'Vertically Select',\n        keep: 'Keep Selections',\n        clear: 'Clear Selections'\n      }\n    },\n    dataView: {\n      title: 'Data View',\n      lang: ['Data View', 'Close', 'Refresh']\n    },\n    dataZoom: {\n      title: {\n        zoom: 'Zoom',\n        back: 'Zoom Reset'\n      }\n    },\n    magicType: {\n      title: {\n        line: 'Switch to Line Chart',\n        bar: 'Switch to Bar Chart',\n        stack: 'Stack',\n        tiled: 'Tile'\n      }\n    },\n    restore: {\n      title: 'Restore'\n    },\n    saveAsImage: {\n      title: 'Save as Image',\n      lang: ['Right Click to Save Image']\n    }\n  },\n  series: {\n    typeNames: {\n      pie: 'Pie chart',\n      bar: 'Bar chart',\n      line: 'Line chart',\n      scatter: 'Scatter plot',\n      effectScatter: 'Ripple scatter plot',\n      radar: 'Radar chart',\n      tree: 'Tree',\n      treemap: 'Treemap',\n      boxplot: 'Boxplot',\n      candlestick: 'Candlestick',\n      k: 'K line chart',\n      heatmap: 'Heat map',\n      map: 'Map',\n      parallel: 'Parallel coordinate map',\n      lines: 'Line graph',\n      graph: 'Relationship graph',\n      sankey: 'Sankey diagram',\n      funnel: 'Funnel chart',\n      gauge: 'Guage',\n      pictorialBar: 'Pictorial bar',\n      themeRiver: 'Theme River Map',\n      sunburst: 'Sunburst'\n    }\n  },\n  aria: {\n    general: {\n      withTitle: 'This is a chart about \"{title}\"',\n      withoutTitle: 'This is a chart'\n    },\n    series: {\n      single: {\n        prefix: '',\n        withName: ' with type {seriesType} named {seriesName}.',\n        withoutName: ' with type {seriesType}.'\n      },\n      multiple: {\n        prefix: '. It consists of {seriesCount} series count.',\n        withName: ' The {seriesId} series is a {seriesType} representing {seriesName}.',\n        withoutName: ' The {seriesId} series is a {seriesType}.',\n        separator: {\n          middle: '',\n          end: ''\n        }\n      }\n    },\n    data: {\n      allData: 'The data is as follows: ',\n      partialData: 'The first {displayCnt} items are: ',\n      withName: 'the data for {name} is {value}',\n      withoutName: '{value}',\n      separator: {\n        middle: ', ',\n        end: '. '\n      }\n    }\n  }\n};","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n * Licensed to the Apache Software Foundation (ASF) under one\n * or more contributor license agreements.  See the NOTICE file\n * distributed with this work for additional information\n * regarding copyright ownership.  The ASF licenses this file\n * to you under the Apache License, Version 2.0 (the\n * \"License\"); you may not use this file except in compliance\n * with the License.  You may obtain a copy of the License at\n *\n *   http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing,\n * software distributed under the License is distributed on an\n * \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n * KIND, either express or implied.  See the License for the\n * specific language governing permissions and limitations\n * under the License.\n */\nexport default {\n  time: {\n    month: ['一月', '二月', '三月', '四月', '五月', '六月', '七月', '八月', '九月', '十月', '十一月', '十二月'],\n    monthAbbr: ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月'],\n    dayOfWeek: ['星期日', '星期一', '星期二', '星期三', '星期四', '星期五', '星期六'],\n    dayOfWeekAbbr: ['日', '一', '二', '三', '四', '五', '六']\n  },\n  legend: {\n    selector: {\n      all: '全选',\n      inverse: '反选'\n    }\n  },\n  toolbox: {\n    brush: {\n      title: {\n        rect: '矩形选择',\n        polygon: '圈选',\n        lineX: '横向选择',\n        lineY: '纵向选择',\n        keep: '保持选择',\n        clear: '清除选择'\n      }\n    },\n    dataView: {\n      title: '数据视图',\n      lang: ['数据视图', '关闭', '刷新']\n    },\n    dataZoom: {\n      title: {\n        zoom: '区域缩放',\n        back: '区域缩放还原'\n      }\n    },\n    magicType: {\n      title: {\n        line: '切换为折线图',\n        bar: '切换为柱状图',\n        stack: '切换为堆叠',\n        tiled: '切换为平铺'\n      }\n    },\n    restore: {\n      title: '还原'\n    },\n    saveAsImage: {\n      title: '保存为图片',\n      lang: ['右键另存为图片']\n    }\n  },\n  series: {\n    typeNames: {\n      pie: '饼图',\n      bar: '柱状图',\n      line: '折线图',\n      scatter: '散点图',\n      effectScatter: '涟漪散点图',\n      radar: '雷达图',\n      tree: '树图',\n      treemap: '矩形树图',\n      boxplot: '箱型图',\n      candlestick: 'K线图',\n      k: 'K线图',\n      heatmap: '热力图',\n      map: '地图',\n      parallel: '平行坐标图',\n      lines: '线图',\n      graph: '关系图',\n      sankey: '桑基图',\n      funnel: '漏斗图',\n      gauge: '仪表盘图',\n      pictorialBar: '象形柱图',\n      themeRiver: '主题河流图',\n      sunburst: '旭日图'\n    }\n  },\n  aria: {\n    general: {\n      withTitle: '这是一个关于“{title}”的图表。',\n      withoutTitle: '这是一个图表，'\n    },\n    series: {\n      single: {\n        prefix: '',\n        withName: '图表类型是{seriesType}，表示{seriesName}。',\n        withoutName: '图表类型是{seriesType}。'\n      },\n      multiple: {\n        prefix: '它由{seriesCount}个图表系列组成。',\n        withName: '第{seriesId}个系列是一个表示{seriesName}的{seriesType}，',\n        withoutName: '第{seriesId}个系列是一个{seriesType}，',\n        separator: {\n          middle: '；',\n          end: '。'\n        }\n      }\n    },\n    data: {\n      allData: '其数据是——',\n      partialData: '其中，前{displayCnt}项是——',\n      withName: '{name}的数据是{value}',\n      withoutName: '{value}',\n      separator: {\n        middle: '，',\n        end: ''\n      }\n    }\n  }\n};","import { Injectable, Optional, Inject, PLATFORM_ID, ɵɵdefineInjectable, ɵɵinject, NgModule } from '@angular/core';\nimport { isPlatformBrowser } from '@angular/common';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Whether the current platform supports the V8 Break Iterator. The V8 check\n// is necessary to detect all Blink based browsers.\nvar hasV8BreakIterator;\n// We need a try/catch around the reference to `Intl`, because accessing it in some cases can\n// cause IE to throw. These cases are tied to particular versions of Windows and can happen if\n// the consumer is providing a polyfilled `Map`. See:\n// https://github.com/Microsoft/ChakraCore/issues/3189\n// https://github.com/angular/components/issues/15687\ntry {\n    hasV8BreakIterator = (typeof Intl !== 'undefined' && Intl.v8BreakIterator);\n}\ncatch (_a) {\n    hasV8BreakIterator = false;\n}\n/**\n * Service to detect the current platform by comparing the userAgent strings and\n * checking browser-specific global properties.\n */\nvar Platform = /** @class */ (function () {\n    /**\n     * @breaking-change 8.0.0 remove optional decorator\n     */\n    function Platform(_platformId) {\n        this._platformId = _platformId;\n        // We want to use the Angular platform check because if the Document is shimmed\n        // without the navigator, the following checks will fail. This is preferred because\n        // sometimes the Document may be shimmed without the user's knowledge or intention\n        /** Whether the Angular application is being rendered in the browser. */\n        this.isBrowser = this._platformId ?\n            isPlatformBrowser(this._platformId) : typeof document === 'object' && !!document;\n        /** Whether the current browser is Microsoft Edge. */\n        this.EDGE = this.isBrowser && /(edge)/i.test(navigator.userAgent);\n        /** Whether the current rendering engine is Microsoft Trident. */\n        this.TRIDENT = this.isBrowser && /(msie|trident)/i.test(navigator.userAgent);\n        // EdgeHTML and Trident mock Blink specific things and need to be excluded from this check.\n        /** Whether the current rendering engine is Blink. */\n        this.BLINK = this.isBrowser && (!!(window.chrome || hasV8BreakIterator) &&\n            typeof CSS !== 'undefined' && !this.EDGE && !this.TRIDENT);\n        // Webkit is part of the userAgent in EdgeHTML, Blink and Trident. Therefore we need to\n        // ensure that Webkit runs standalone and is not used as another engine's base.\n        /** Whether the current rendering engine is WebKit. */\n        this.WEBKIT = this.isBrowser &&\n            /AppleWebKit/i.test(navigator.userAgent) && !this.BLINK && !this.EDGE && !this.TRIDENT;\n        /** Whether the current platform is Apple iOS. */\n        this.IOS = this.isBrowser && /iPad|iPhone|iPod/.test(navigator.userAgent) &&\n            !('MSStream' in window);\n        // It's difficult to detect the plain Gecko engine, because most of the browsers identify\n        // them self as Gecko-like browsers and modify the userAgent's according to that.\n        // Since we only cover one explicit Firefox case, we can simply check for Firefox\n        // instead of having an unstable check for Gecko.\n        /** Whether the current browser is Firefox. */\n        this.FIREFOX = this.isBrowser && /(firefox|minefield)/i.test(navigator.userAgent);\n        /** Whether the current platform is Android. */\n        // Trident on mobile adds the android platform to the userAgent to trick detections.\n        this.ANDROID = this.isBrowser && /android/i.test(navigator.userAgent) && !this.TRIDENT;\n        // Safari browsers will include the Safari keyword in their userAgent. Some browsers may fake\n        // this and just place the Safari keyword in the userAgent. To be more safe about Safari every\n        // Safari browser should also use Webkit as its layout engine.\n        /** Whether the current browser is Safari. */\n        this.SAFARI = this.isBrowser && /safari/i.test(navigator.userAgent) && this.WEBKIT;\n    }\n    Platform.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    Platform.ctorParameters = function () { return [\n        { type: Object, decorators: [{ type: Optional }, { type: Inject, args: [PLATFORM_ID,] }] }\n    ]; };\n    Platform.ɵprov = ɵɵdefineInjectable({ factory: function Platform_Factory() { return new Platform(ɵɵinject(PLATFORM_ID, 8)); }, token: Platform, providedIn: \"root\" });\n    return Platform;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar PlatformModule = /** @class */ (function () {\n    function PlatformModule() {\n    }\n    PlatformModule.decorators = [\n        { type: NgModule, args: [{},] }\n    ];\n    return PlatformModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Cached result Set of input types support by the current browser. */\nvar supportedInputTypes;\n/** Types of `<input>` that *might* be supported. */\nvar candidateInputTypes = [\n    // `color` must come first. Chrome 56 shows a warning if we change the type to `color` after\n    // first changing it to something else:\n    // The specified value \"\" does not conform to the required format.\n    // The format is \"#rrggbb\" where rr, gg, bb are two-digit hexadecimal numbers.\n    'color',\n    'button',\n    'checkbox',\n    'date',\n    'datetime-local',\n    'email',\n    'file',\n    'hidden',\n    'image',\n    'month',\n    'number',\n    'password',\n    'radio',\n    'range',\n    'reset',\n    'search',\n    'submit',\n    'tel',\n    'text',\n    'time',\n    'url',\n    'week',\n];\n/** @returns The input types supported by this browser. */\nfunction getSupportedInputTypes() {\n    // Result is cached.\n    if (supportedInputTypes) {\n        return supportedInputTypes;\n    }\n    // We can't check if an input type is not supported until we're on the browser, so say that\n    // everything is supported when not on the browser. We don't use `Platform` here since it's\n    // just a helper function and can't inject it.\n    if (typeof document !== 'object' || !document) {\n        supportedInputTypes = new Set(candidateInputTypes);\n        return supportedInputTypes;\n    }\n    var featureTestInput = document.createElement('input');\n    supportedInputTypes = new Set(candidateInputTypes.filter(function (value) {\n        featureTestInput.setAttribute('type', value);\n        return featureTestInput.type === value;\n    }));\n    return supportedInputTypes;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Cached result of whether the user's browser supports passive event listeners. */\nvar supportsPassiveEvents;\n/**\n * Checks whether the user's browser supports passive event listeners.\n * See: https://github.com/WICG/EventListenerOptions/blob/gh-pages/explainer.md\n */\nfunction supportsPassiveEventListeners() {\n    if (supportsPassiveEvents == null && typeof window !== 'undefined') {\n        try {\n            window.addEventListener('test', null, Object.defineProperty({}, 'passive', {\n                get: function () { return supportsPassiveEvents = true; }\n            }));\n        }\n        finally {\n            supportsPassiveEvents = supportsPassiveEvents || false;\n        }\n    }\n    return supportsPassiveEvents;\n}\n/**\n * Normalizes an `AddEventListener` object to something that can be passed\n * to `addEventListener` on any browser, no matter whether it supports the\n * `options` parameter.\n * @param options Object to be normalized.\n */\nfunction normalizePassiveListenerOptions(options) {\n    return supportsPassiveEventListeners() ? options : !!options.capture;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** The possible ways the browser may handle the horizontal scroll axis in RTL languages. */\nvar RtlScrollAxisType;\n(function (RtlScrollAxisType) {\n    /**\n     * scrollLeft is 0 when scrolled all the way left and (scrollWidth - clientWidth) when scrolled\n     * all the way right.\n     */\n    RtlScrollAxisType[RtlScrollAxisType[\"NORMAL\"] = 0] = \"NORMAL\";\n    /**\n     * scrollLeft is -(scrollWidth - clientWidth) when scrolled all the way left and 0 when scrolled\n     * all the way right.\n     */\n    RtlScrollAxisType[RtlScrollAxisType[\"NEGATED\"] = 1] = \"NEGATED\";\n    /**\n     * scrollLeft is (scrollWidth - clientWidth) when scrolled all the way left and 0 when scrolled\n     * all the way right.\n     */\n    RtlScrollAxisType[RtlScrollAxisType[\"INVERTED\"] = 2] = \"INVERTED\";\n})(RtlScrollAxisType || (RtlScrollAxisType = {}));\n/** Cached result of the way the browser handles the horizontal scroll axis in RTL mode. */\nvar rtlScrollAxisType;\n/** Check whether the browser supports scroll behaviors. */\nfunction supportsScrollBehavior() {\n    return !!(typeof document == 'object' && 'scrollBehavior' in document.documentElement.style);\n}\n/**\n * Checks the type of RTL scroll axis used by this browser. As of time of writing, Chrome is NORMAL,\n * Firefox & Safari are NEGATED, and IE & Edge are INVERTED.\n */\nfunction getRtlScrollAxisType() {\n    // We can't check unless we're on the browser. Just assume 'normal' if we're not.\n    if (typeof document !== 'object' || !document) {\n        return RtlScrollAxisType.NORMAL;\n    }\n    if (!rtlScrollAxisType) {\n        // Create a 1px wide scrolling container and a 2px wide content element.\n        var scrollContainer = document.createElement('div');\n        var containerStyle = scrollContainer.style;\n        scrollContainer.dir = 'rtl';\n        containerStyle.height = '1px';\n        containerStyle.width = '1px';\n        containerStyle.overflow = 'auto';\n        containerStyle.visibility = 'hidden';\n        containerStyle.pointerEvents = 'none';\n        containerStyle.position = 'absolute';\n        var content = document.createElement('div');\n        var contentStyle = content.style;\n        contentStyle.width = '2px';\n        contentStyle.height = '1px';\n        scrollContainer.appendChild(content);\n        document.body.appendChild(scrollContainer);\n        rtlScrollAxisType = RtlScrollAxisType.NORMAL;\n        // The viewport starts scrolled all the way to the right in RTL mode. If we are in a NORMAL\n        // browser this would mean that the scrollLeft should be 1. If it's zero instead we know we're\n        // dealing with one of the other two types of browsers.\n        if (scrollContainer.scrollLeft === 0) {\n            // In a NEGATED browser the scrollLeft is always somewhere in [-maxScrollAmount, 0]. For an\n            // INVERTED browser it is always somewhere in [0, maxScrollAmount]. We can determine which by\n            // setting to the scrollLeft to 1. This is past the max for a NEGATED browser, so it will\n            // return 0 when we read it again.\n            scrollContainer.scrollLeft = 1;\n            rtlScrollAxisType =\n                scrollContainer.scrollLeft === 0 ? RtlScrollAxisType.NEGATED : RtlScrollAxisType.INVERTED;\n        }\n        scrollContainer.parentNode.removeChild(scrollContainer);\n    }\n    return rtlScrollAxisType;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar shadowDomIsSupported;\n/** Checks whether the user's browser support Shadow DOM. */\nfunction _supportsShadowDom() {\n    if (shadowDomIsSupported == null) {\n        var head = typeof document !== 'undefined' ? document.head : null;\n        shadowDomIsSupported = !!(head && (head.createShadowRoot || head.attachShadow));\n    }\n    return shadowDomIsSupported;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { Platform, PlatformModule, RtlScrollAxisType, _supportsShadowDom, getRtlScrollAxisType, getSupportedInputTypes, normalizePassiveListenerOptions, supportsPassiveEventListeners, supportsScrollBehavior };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { isTypedArray, clone, createHashMap, isArray, isObject, isArrayLike, hasOwn, assert, each, map, isNumber, isString } from 'zrender/lib/core/util';\nimport { SOURCE_FORMAT_ORIGINAL, SERIES_LAYOUT_BY_COLUMN, SOURCE_FORMAT_UNKNOWN, SOURCE_FORMAT_KEYED_COLUMNS, SOURCE_FORMAT_TYPED_ARRAY, SOURCE_FORMAT_ARRAY_ROWS, SOURCE_FORMAT_OBJECT_ROWS, SERIES_LAYOUT_BY_ROW } from '../util/types';\nimport { getDataItemValue } from '../util/model';\n; // @inner\n\nvar SourceImpl =\n/** @class */\nfunction () {\n  // readonly frozen: boolean;\n  function SourceImpl(fields) {\n    this.data = fields.data || (fields.sourceFormat === SOURCE_FORMAT_KEYED_COLUMNS ? {} : []);\n    this.sourceFormat = fields.sourceFormat || SOURCE_FORMAT_UNKNOWN; // Visit config\n\n    this.seriesLayoutBy = fields.seriesLayoutBy || SERIES_LAYOUT_BY_COLUMN;\n    this.startIndex = fields.startIndex || 0;\n    this.dimensionsDefine = fields.dimensionsDefine;\n    this.dimensionsDetectedCount = fields.dimensionsDetectedCount;\n    this.encodeDefine = fields.encodeDefine;\n    this.metaRawOption = fields.metaRawOption;\n  }\n\n  return SourceImpl;\n}();\n\nexport function isSourceInstance(val) {\n  return val instanceof SourceImpl;\n}\nexport function createSource(sourceData, thisMetaRawOption, // can be null. If not provided, auto detect it from `sourceData`.\nsourceFormat, encodeDefine // can be null\n) {\n  sourceFormat = sourceFormat || detectSourceFormat(sourceData);\n  var seriesLayoutBy = thisMetaRawOption.seriesLayoutBy;\n  var determined = determineSourceDimensions(sourceData, sourceFormat, seriesLayoutBy, thisMetaRawOption.sourceHeader, thisMetaRawOption.dimensions);\n  var source = new SourceImpl({\n    data: sourceData,\n    sourceFormat: sourceFormat,\n    seriesLayoutBy: seriesLayoutBy,\n    dimensionsDefine: determined.dimensionsDefine,\n    startIndex: determined.startIndex,\n    dimensionsDetectedCount: determined.dimensionsDetectedCount,\n    encodeDefine: makeEncodeDefine(encodeDefine),\n    metaRawOption: clone(thisMetaRawOption)\n  });\n  return source;\n}\n/**\n * Wrap original series data for some compatibility cases.\n */\n\nexport function createSourceFromSeriesDataOption(data) {\n  return new SourceImpl({\n    data: data,\n    sourceFormat: isTypedArray(data) ? SOURCE_FORMAT_TYPED_ARRAY : SOURCE_FORMAT_ORIGINAL\n  });\n}\n/**\n * Clone source but excludes source data.\n */\n\nexport function cloneSourceShallow(source) {\n  return new SourceImpl({\n    data: source.data,\n    sourceFormat: source.sourceFormat,\n    seriesLayoutBy: source.seriesLayoutBy,\n    dimensionsDefine: clone(source.dimensionsDefine),\n    startIndex: source.startIndex,\n    dimensionsDetectedCount: source.dimensionsDetectedCount,\n    encodeDefine: makeEncodeDefine(source.encodeDefine)\n  });\n}\n\nfunction makeEncodeDefine(encodeDefine) {\n  // null means user not specify `series.encode`.\n  return encodeDefine ? createHashMap(encodeDefine) : null;\n}\n/**\n * Note: An empty array will be detected as `SOURCE_FORMAT_ARRAY_ROWS`.\n */\n\n\nexport function detectSourceFormat(data) {\n  var sourceFormat = SOURCE_FORMAT_UNKNOWN;\n\n  if (isTypedArray(data)) {\n    sourceFormat = SOURCE_FORMAT_TYPED_ARRAY;\n  } else if (isArray(data)) {\n    // FIXME Whether tolerate null in top level array?\n    if (data.length === 0) {\n      sourceFormat = SOURCE_FORMAT_ARRAY_ROWS;\n    }\n\n    for (var i = 0, len = data.length; i < len; i++) {\n      var item = data[i];\n\n      if (item == null) {\n        continue;\n      } else if (isArray(item)) {\n        sourceFormat = SOURCE_FORMAT_ARRAY_ROWS;\n        break;\n      } else if (isObject(item)) {\n        sourceFormat = SOURCE_FORMAT_OBJECT_ROWS;\n        break;\n      }\n    }\n  } else if (isObject(data)) {\n    for (var key in data) {\n      if (hasOwn(data, key) && isArrayLike(data[key])) {\n        sourceFormat = SOURCE_FORMAT_KEYED_COLUMNS;\n        break;\n      }\n    }\n  }\n\n  return sourceFormat;\n}\n/**\n * Determine the source definitions from data standalone dimensions definitions\n * are not specified.\n */\n\nfunction determineSourceDimensions(data, sourceFormat, seriesLayoutBy, sourceHeader, // standalone raw dimensions definition, like:\n// {\n//     dimensions: ['aa', 'bb', { name: 'cc', type: 'time' }]\n// }\n// in `dataset` or `series`\ndimensionsDefine) {\n  var dimensionsDetectedCount;\n  var startIndex; // PEDING: could data be null/undefined here?\n  // currently, if `dataset.source` not specified, error thrown.\n  // if `series.data` not specified, nothing rendered without error thrown.\n  // Should test these cases.\n\n  if (!data) {\n    return {\n      dimensionsDefine: normalizeDimensionsOption(dimensionsDefine),\n      startIndex: startIndex,\n      dimensionsDetectedCount: dimensionsDetectedCount\n    };\n  }\n\n  if (sourceFormat === SOURCE_FORMAT_ARRAY_ROWS) {\n    var dataArrayRows = data; // Rule: Most of the first line are string: it is header.\n    // Caution: consider a line with 5 string and 1 number,\n    // it still can not be sure it is a head, because the\n    // 5 string may be 5 values of category columns.\n\n    if (sourceHeader === 'auto' || sourceHeader == null) {\n      arrayRowsTravelFirst(function (val) {\n        // '-' is regarded as null/undefined.\n        if (val != null && val !== '-') {\n          if (isString(val)) {\n            startIndex == null && (startIndex = 1);\n          } else {\n            startIndex = 0;\n          }\n        } // 10 is an experience number, avoid long loop.\n\n      }, seriesLayoutBy, dataArrayRows, 10);\n    } else {\n      startIndex = isNumber(sourceHeader) ? sourceHeader : sourceHeader ? 1 : 0;\n    }\n\n    if (!dimensionsDefine && startIndex === 1) {\n      dimensionsDefine = [];\n      arrayRowsTravelFirst(function (val, index) {\n        dimensionsDefine[index] = val != null ? val + '' : '';\n      }, seriesLayoutBy, dataArrayRows, Infinity);\n    }\n\n    dimensionsDetectedCount = dimensionsDefine ? dimensionsDefine.length : seriesLayoutBy === SERIES_LAYOUT_BY_ROW ? dataArrayRows.length : dataArrayRows[0] ? dataArrayRows[0].length : null;\n  } else if (sourceFormat === SOURCE_FORMAT_OBJECT_ROWS) {\n    if (!dimensionsDefine) {\n      dimensionsDefine = objectRowsCollectDimensions(data);\n    }\n  } else if (sourceFormat === SOURCE_FORMAT_KEYED_COLUMNS) {\n    if (!dimensionsDefine) {\n      dimensionsDefine = [];\n      each(data, function (colArr, key) {\n        dimensionsDefine.push(key);\n      });\n    }\n  } else if (sourceFormat === SOURCE_FORMAT_ORIGINAL) {\n    var value0 = getDataItemValue(data[0]);\n    dimensionsDetectedCount = isArray(value0) && value0.length || 1;\n  } else if (sourceFormat === SOURCE_FORMAT_TYPED_ARRAY) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(!!dimensionsDefine, 'dimensions must be given if data is TypedArray.');\n    }\n  }\n\n  return {\n    startIndex: startIndex,\n    dimensionsDefine: normalizeDimensionsOption(dimensionsDefine),\n    dimensionsDetectedCount: dimensionsDetectedCount\n  };\n}\n\nfunction objectRowsCollectDimensions(data) {\n  var firstIndex = 0;\n  var obj;\n\n  while (firstIndex < data.length && !(obj = data[firstIndex++])) {} // jshint ignore: line\n\n\n  if (obj) {\n    var dimensions_1 = [];\n    each(obj, function (value, key) {\n      dimensions_1.push(key);\n    });\n    return dimensions_1;\n  }\n} // Consider dimensions defined like ['A', 'price', 'B', 'price', 'C', 'price'],\n// which is reasonable. But dimension name is duplicated.\n// Returns undefined or an array contains only object without null/undefiend or string.\n\n\nfunction normalizeDimensionsOption(dimensionsDefine) {\n  if (!dimensionsDefine) {\n    // The meaning of null/undefined is different from empty array.\n    return;\n  }\n\n  var nameMap = createHashMap();\n  return map(dimensionsDefine, function (rawItem, index) {\n    rawItem = isObject(rawItem) ? rawItem : {\n      name: rawItem\n    }; // Other fields will be discarded.\n\n    var item = {\n      name: rawItem.name,\n      displayName: rawItem.displayName,\n      type: rawItem.type\n    }; // User can set null in dimensions.\n    // We dont auto specify name, othewise a given name may\n    // cause it be refered unexpectedly.\n\n    if (item.name == null) {\n      return item;\n    } // Also consider number form like 2012.\n\n\n    item.name += ''; // User may also specify displayName.\n    // displayName will always exists except user not\n    // specified or dim name is not specified or detected.\n    // (A auto generated dim name will not be used as\n    // displayName).\n\n    if (item.displayName == null) {\n      item.displayName = item.name;\n    }\n\n    var exist = nameMap.get(item.name);\n\n    if (!exist) {\n      nameMap.set(item.name, {\n        count: 1\n      });\n    } else {\n      item.name += '-' + exist.count++;\n    }\n\n    return item;\n  });\n}\n\nfunction arrayRowsTravelFirst(cb, seriesLayoutBy, data, maxLoop) {\n  if (seriesLayoutBy === SERIES_LAYOUT_BY_ROW) {\n    for (var i = 0; i < data.length && i < maxLoop; i++) {\n      cb(data[i] ? data[i][0] : null, i);\n    }\n  } else {\n    var value0 = data[0] || [];\n\n    for (var i = 0; i < value0.length && i < maxLoop; i++) {\n      cb(value0[i], i);\n    }\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { map, isString, isFunction, eqNaN, isRegExp } from 'zrender/lib/core/util';\nvar ECHARTS_PREFIX = '[ECharts] ';\nvar storedLogs = {};\nvar hasConsole = typeof console !== 'undefined' // eslint-disable-next-line\n&& console.warn && console.log;\nexport function log(str) {\n  if (hasConsole) {\n    // eslint-disable-next-line\n    console.log(ECHARTS_PREFIX + str);\n  }\n}\nexport function warn(str) {\n  if (hasConsole) {\n    console.warn(ECHARTS_PREFIX + str);\n  }\n}\nexport function error(str) {\n  if (hasConsole) {\n    console.error(ECHARTS_PREFIX + str);\n  }\n}\nexport function deprecateLog(str) {\n  if (process.env.NODE_ENV !== 'production') {\n    if (storedLogs[str]) {\n      // Not display duplicate message.\n      return;\n    }\n\n    if (hasConsole) {\n      storedLogs[str] = true;\n      console.warn(ECHARTS_PREFIX + 'DEPRECATED: ' + str);\n    }\n  }\n}\nexport function deprecateReplaceLog(oldOpt, newOpt, scope) {\n  if (process.env.NODE_ENV !== 'production') {\n    deprecateLog((scope ? \"[\" + scope + \"]\" : '') + (oldOpt + \" is deprecated, use \" + newOpt + \" instead.\"));\n  }\n}\nexport function consoleLog() {\n  var args = [];\n\n  for (var _i = 0; _i < arguments.length; _i++) {\n    args[_i] = arguments[_i];\n  }\n\n  if (process.env.NODE_ENV !== 'production') {\n    /* eslint-disable no-console */\n    if (typeof console !== 'undefined' && console.log) {\n      console.log.apply(console, args);\n    }\n    /* eslint-enable no-console */\n\n  }\n}\n/**\n * If in __DEV__ environment, get console printable message for users hint.\n * Parameters are separated by ' '.\n * @usuage\n * makePrintable('This is an error on', someVar, someObj);\n *\n * @param hintInfo anything about the current execution context to hint users.\n * @throws Error\n */\n\nexport function makePrintable() {\n  var hintInfo = [];\n\n  for (var _i = 0; _i < arguments.length; _i++) {\n    hintInfo[_i] = arguments[_i];\n  }\n\n  var msg = '';\n\n  if (process.env.NODE_ENV !== 'production') {\n    // Fuzzy stringify for print.\n    // This code only exist in dev environment.\n    var makePrintableStringIfPossible_1 = function (val) {\n      return val === void 0 ? 'undefined' : val === Infinity ? 'Infinity' : val === -Infinity ? '-Infinity' : eqNaN(val) ? 'NaN' : val instanceof Date ? 'Date(' + val.toISOString() + ')' : isFunction(val) ? 'function () { ... }' : isRegExp(val) ? val + '' : null;\n    };\n\n    msg = map(hintInfo, function (arg) {\n      if (isString(arg)) {\n        // Print without quotation mark for some statement.\n        return arg;\n      } else {\n        var printableStr = makePrintableStringIfPossible_1(arg);\n\n        if (printableStr != null) {\n          return printableStr;\n        } else if (typeof JSON !== 'undefined' && JSON.stringify) {\n          try {\n            return JSON.stringify(arg, function (n, val) {\n              var printableStr = makePrintableStringIfPossible_1(val);\n              return printableStr == null ? val : printableStr;\n            }); // In most cases the info object is small, so do not line break.\n          } catch (err) {\n            return '?';\n          }\n        } else {\n          return '?';\n        }\n      }\n    }).join(' ');\n  }\n\n  return msg;\n}\n/**\n * @throws Error\n */\n\nexport function throwError(msg) {\n  throw new Error(msg);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { parseDate, isNumeric, numericToNumber } from './number';\nimport { format as timeFormat, pad } from './time';\nimport { deprecateReplaceLog } from './log';\n/**\n * Add a comma each three digit.\n */\n\nexport function addCommas(x) {\n  if (!isNumeric(x)) {\n    return zrUtil.isString(x) ? x : '-';\n  }\n\n  var parts = (x + '').split('.');\n  return parts[0].replace(/(\\d{1,3})(?=(?:\\d{3})+(?!\\d))/g, '$1,') + (parts.length > 1 ? '.' + parts[1] : '');\n}\nexport function toCamelCase(str, upperCaseFirst) {\n  str = (str || '').toLowerCase().replace(/-(.)/g, function (match, group1) {\n    return group1.toUpperCase();\n  });\n\n  if (upperCaseFirst && str) {\n    str = str.charAt(0).toUpperCase() + str.slice(1);\n  }\n\n  return str;\n}\nexport var normalizeCssArray = zrUtil.normalizeCssArray;\nvar replaceReg = /([&<>\"'])/g;\nvar replaceMap = {\n  '&': '&amp;',\n  '<': '&lt;',\n  '>': '&gt;',\n  '\"': '&quot;',\n  '\\'': '&#39;'\n};\nexport function encodeHTML(source) {\n  return source == null ? '' : (source + '').replace(replaceReg, function (str, c) {\n    return replaceMap[c];\n  });\n}\n/**\n * Make value user readable for tooltip and label.\n * \"User readable\":\n *     Try to not print programmer-specific text like NaN, Infinity, null, undefined.\n *     Avoid to display an empty string, which users can not recognize there is\n *     a value and it might look like a bug.\n */\n\nexport function makeValueReadable(value, valueType, useUTC) {\n  var USER_READABLE_DEFUALT_TIME_PATTERN = '{yyyy}-{MM}-{dd} {hh}:{mm}:{ss}';\n\n  function stringToUserReadable(str) {\n    return str && zrUtil.trim(str) ? str : '-';\n  }\n\n  function isNumberUserReadable(num) {\n    return !!(num != null && !isNaN(num) && isFinite(num));\n  }\n\n  var isTypeTime = valueType === 'time';\n  var isValueDate = value instanceof Date;\n\n  if (isTypeTime || isValueDate) {\n    var date = isTypeTime ? parseDate(value) : value;\n\n    if (!isNaN(+date)) {\n      return timeFormat(date, USER_READABLE_DEFUALT_TIME_PATTERN, useUTC);\n    } else if (isValueDate) {\n      return '-';\n    } // In other cases, continue to try to display the value in the following code.\n\n  }\n\n  if (valueType === 'ordinal') {\n    return zrUtil.isStringSafe(value) ? stringToUserReadable(value) : zrUtil.isNumber(value) ? isNumberUserReadable(value) ? value + '' : '-' : '-';\n  } // By default.\n\n\n  var numericResult = numericToNumber(value);\n  return isNumberUserReadable(numericResult) ? addCommas(numericResult) : zrUtil.isStringSafe(value) ? stringToUserReadable(value) : '-';\n}\nvar TPL_VAR_ALIAS = ['a', 'b', 'c', 'd', 'e', 'f', 'g'];\n\nvar wrapVar = function (varName, seriesIdx) {\n  return '{' + varName + (seriesIdx == null ? '' : seriesIdx) + '}';\n};\n/**\n * Template formatter\n * @param {Array.<Object>|Object} paramsList\n */\n\n\nexport function formatTpl(tpl, paramsList, encode) {\n  if (!zrUtil.isArray(paramsList)) {\n    paramsList = [paramsList];\n  }\n\n  var seriesLen = paramsList.length;\n\n  if (!seriesLen) {\n    return '';\n  }\n\n  var $vars = paramsList[0].$vars || [];\n\n  for (var i = 0; i < $vars.length; i++) {\n    var alias = TPL_VAR_ALIAS[i];\n    tpl = tpl.replace(wrapVar(alias), wrapVar(alias, 0));\n  }\n\n  for (var seriesIdx = 0; seriesIdx < seriesLen; seriesIdx++) {\n    for (var k = 0; k < $vars.length; k++) {\n      var val = paramsList[seriesIdx][$vars[k]];\n      tpl = tpl.replace(wrapVar(TPL_VAR_ALIAS[k], seriesIdx), encode ? encodeHTML(val) : val);\n    }\n  }\n\n  return tpl;\n}\n/**\n * simple Template formatter\n */\n\nexport function formatTplSimple(tpl, param, encode) {\n  zrUtil.each(param, function (value, key) {\n    tpl = tpl.replace('{' + key + '}', encode ? encodeHTML(value) : value);\n  });\n  return tpl;\n}\nexport function getTooltipMarker(inOpt, extraCssText) {\n  var opt = zrUtil.isString(inOpt) ? {\n    color: inOpt,\n    extraCssText: extraCssText\n  } : inOpt || {};\n  var color = opt.color;\n  var type = opt.type;\n  extraCssText = opt.extraCssText;\n  var renderMode = opt.renderMode || 'html';\n\n  if (!color) {\n    return '';\n  }\n\n  if (renderMode === 'html') {\n    return type === 'subItem' ? '<span style=\"display:inline-block;vertical-align:middle;margin-right:8px;margin-left:3px;' + 'border-radius:4px;width:4px;height:4px;background-color:' // Only support string\n    + encodeHTML(color) + ';' + (extraCssText || '') + '\"></span>' : '<span style=\"display:inline-block;margin-right:4px;' + 'border-radius:10px;width:10px;height:10px;background-color:' + encodeHTML(color) + ';' + (extraCssText || '') + '\"></span>';\n  } else {\n    // Should better not to auto generate style name by auto-increment number here.\n    // Because this util is usually called in tooltip formatter, which is probably\n    // called repeatly when mouse move and the auto-increment number increases fast.\n    // Users can make their own style name by theirselves, make it unique and readable.\n    var markerId = opt.markerId || 'markerX';\n    return {\n      renderMode: renderMode,\n      content: '{' + markerId + '|}  ',\n      style: type === 'subItem' ? {\n        width: 4,\n        height: 4,\n        borderRadius: 2,\n        backgroundColor: color\n      } : {\n        width: 10,\n        height: 10,\n        borderRadius: 5,\n        backgroundColor: color\n      }\n    };\n  }\n}\n/**\n * @deprecated Use `time/format` instead.\n * ISO Date format\n * @param {string} tpl\n * @param {number} value\n * @param {boolean} [isUTC=false] Default in local time.\n *           see `module:echarts/scale/Time`\n *           and `module:echarts/util/number#parseDate`.\n * @inner\n */\n\nexport function formatTime(tpl, value, isUTC) {\n  if (process.env.NODE_ENV !== 'production') {\n    deprecateReplaceLog('echarts.format.formatTime', 'echarts.time.format');\n  }\n\n  if (tpl === 'week' || tpl === 'month' || tpl === 'quarter' || tpl === 'half-year' || tpl === 'year') {\n    tpl = 'MM-dd\\nyyyy';\n  }\n\n  var date = parseDate(value);\n  var utc = isUTC ? 'UTC' : '';\n  var y = date['get' + utc + 'FullYear']();\n  var M = date['get' + utc + 'Month']() + 1;\n  var d = date['get' + utc + 'Date']();\n  var h = date['get' + utc + 'Hours']();\n  var m = date['get' + utc + 'Minutes']();\n  var s = date['get' + utc + 'Seconds']();\n  var S = date['get' + utc + 'Milliseconds']();\n  tpl = tpl.replace('MM', pad(M, 2)).replace('M', M).replace('yyyy', y).replace('yy', y % 100 + '').replace('dd', pad(d, 2)).replace('d', d).replace('hh', pad(h, 2)).replace('h', h).replace('mm', pad(m, 2)).replace('m', m).replace('ss', pad(s, 2)).replace('s', s).replace('SSS', pad(S, 3));\n  return tpl;\n}\n/**\n * Capital first\n * @param {string} str\n * @return {string}\n */\n\nexport function capitalFirst(str) {\n  return str ? str.charAt(0).toUpperCase() + str.substr(1) : str;\n}\n/**\n * @return Never be null/undefined.\n */\n\nexport function convertToColorString(color, defaultColor) {\n  defaultColor = defaultColor || 'transparent';\n  return zrUtil.isString(color) ? color : zrUtil.isObject(color) ? color.colorStops && (color.colorStops[0] || {}).color || defaultColor : defaultColor;\n}\nexport { truncateText } from 'zrender/lib/graphic/helper/parseText';\n/**\n * open new tab\n * @param link url\n * @param target blank or self\n */\n\nexport function windowOpen(link, target) {\n  /* global window */\n  if (target === '_blank' || target === 'blank') {\n    var blank = window.open();\n    blank.opener = null;\n    blank.location.href = link;\n  } else {\n    window.open(link, target);\n  }\n}\nexport { getTextRect } from '../legacy/getTextRect';","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { each, isString } from 'zrender/lib/core/util';\n/**\n * Note that it is too complicated to support 3d stack by value\n * (have to create two-dimension inverted index), so in 3d case\n * we just support that stacked by index.\n *\n * @param seriesModel\n * @param dimensionInfoList The same as the input of <module:echarts/data/List>.\n *        The input dimensionInfoList will be modified.\n * @param opt\n * @param opt.stackedCoordDimension Specify a coord dimension if needed.\n * @param opt.byIndex=false\n * @return calculationInfo\n * {\n *     stackedDimension: string\n *     stackedByDimension: string\n *     isStackedByIndex: boolean\n *     stackedOverDimension: string\n *     stackResultDimension: string\n * }\n */\n\nexport function enableDataStack(seriesModel, dimensionInfoList, opt) {\n  opt = opt || {};\n  var byIndex = opt.byIndex;\n  var stackedCoordDimension = opt.stackedCoordDimension; // Compatibal: when `stack` is set as '', do not stack.\n\n  var mayStack = !!(seriesModel && seriesModel.get('stack'));\n  var stackedByDimInfo;\n  var stackedDimInfo;\n  var stackResultDimension;\n  var stackedOverDimension;\n  each(dimensionInfoList, function (dimensionInfo, index) {\n    if (isString(dimensionInfo)) {\n      dimensionInfoList[index] = dimensionInfo = {\n        name: dimensionInfo\n      };\n    }\n\n    if (mayStack && !dimensionInfo.isExtraCoord) {\n      // Find the first ordinal dimension as the stackedByDimInfo.\n      if (!byIndex && !stackedByDimInfo && dimensionInfo.ordinalMeta) {\n        stackedByDimInfo = dimensionInfo;\n      } // Find the first stackable dimension as the stackedDimInfo.\n\n\n      if (!stackedDimInfo && dimensionInfo.type !== 'ordinal' && dimensionInfo.type !== 'time' && (!stackedCoordDimension || stackedCoordDimension === dimensionInfo.coordDim)) {\n        stackedDimInfo = dimensionInfo;\n      }\n    }\n  });\n\n  if (stackedDimInfo && !byIndex && !stackedByDimInfo) {\n    // Compatible with previous design, value axis (time axis) only stack by index.\n    // It may make sense if the user provides elaborately constructed data.\n    byIndex = true;\n  } // Add stack dimension, they can be both calculated by coordinate system in `unionExtent`.\n  // That put stack logic in List is for using conveniently in echarts extensions, but it\n  // might not be a good way.\n\n\n  if (stackedDimInfo) {\n    // Use a weird name that not duplicated with other names.\n    stackResultDimension = '__\\0ecstackresult';\n    stackedOverDimension = '__\\0ecstackedover'; // Create inverted index to fast query index by value.\n\n    if (stackedByDimInfo) {\n      stackedByDimInfo.createInvertedIndices = true;\n    }\n\n    var stackedDimCoordDim_1 = stackedDimInfo.coordDim;\n    var stackedDimType = stackedDimInfo.type;\n    var stackedDimCoordIndex_1 = 0;\n    each(dimensionInfoList, function (dimensionInfo) {\n      if (dimensionInfo.coordDim === stackedDimCoordDim_1) {\n        stackedDimCoordIndex_1++;\n      }\n    });\n    dimensionInfoList.push({\n      name: stackResultDimension,\n      coordDim: stackedDimCoordDim_1,\n      coordDimIndex: stackedDimCoordIndex_1,\n      type: stackedDimType,\n      isExtraCoord: true,\n      isCalculationCoord: true\n    });\n    stackedDimCoordIndex_1++;\n    dimensionInfoList.push({\n      name: stackedOverDimension,\n      // This dimension contains stack base (generally, 0), so do not set it as\n      // `stackedDimCoordDim` to avoid extent calculation, consider log scale.\n      coordDim: stackedOverDimension,\n      coordDimIndex: stackedDimCoordIndex_1,\n      type: stackedDimType,\n      isExtraCoord: true,\n      isCalculationCoord: true\n    });\n  }\n\n  return {\n    stackedDimension: stackedDimInfo && stackedDimInfo.name,\n    stackedByDimension: stackedByDimInfo && stackedByDimInfo.name,\n    isStackedByIndex: byIndex,\n    stackedOverDimension: stackedOverDimension,\n    stackResultDimension: stackResultDimension\n  };\n}\nexport function isDimensionStacked(data, stackedDim\n/*, stackedByDim*/\n) {\n  // Each single series only maps to one pair of axis. So we do not need to\n  // check stackByDim, whatever stacked by a dimension or stacked by index.\n  return !!stackedDim && stackedDim === data.getCalculationInfo('stackedDimension'); // && (\n  //     stackedByDim != null\n  //         ? stackedByDim === data.getCalculationInfo('stackedByDimension')\n  //         : data.getCalculationInfo('isStackedByIndex')\n  // );\n}\nexport function getStackedDimension(data, targetDim) {\n  return isDimensionStacked(data, targetDim) ? data.getCalculationInfo('stackResultDimension') : targetDim;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { extend, each, isArray } from 'zrender/lib/core/util';\nimport { deprecateReplaceLog, deprecateLog } from '../util/log';\nimport { queryDataIndex } from '../util/model'; // Legacy data selection action.\n// Inlucdes: pieSelect, pieUnSelect, pieToggleSelect, mapSelect, mapUnSelect, mapToggleSelect\n\nexport function createLegacyDataSelectAction(seriesType, ecRegisterAction) {\n  function getSeriesIndices(ecModel, payload) {\n    var seriesIndices = [];\n    ecModel.eachComponent({\n      mainType: 'series',\n      subType: seriesType,\n      query: payload\n    }, function (seriesModel) {\n      seriesIndices.push(seriesModel.seriesIndex);\n    });\n    return seriesIndices;\n  }\n\n  each([[seriesType + 'ToggleSelect', 'toggleSelect'], [seriesType + 'Select', 'select'], [seriesType + 'UnSelect', 'unselect']], function (eventsMap) {\n    ecRegisterAction(eventsMap[0], function (payload, ecModel, api) {\n      payload = extend({}, payload);\n\n      if (process.env.NODE_ENV !== 'production') {\n        deprecateReplaceLog(payload.type, eventsMap[1]);\n      }\n\n      api.dispatchAction(extend(payload, {\n        type: eventsMap[1],\n        seriesIndex: getSeriesIndices(ecModel, payload)\n      }));\n    });\n  });\n}\n\nfunction handleSeriesLegacySelectEvents(type, eventPostfix, ecIns, ecModel, payload) {\n  var legacyEventName = type + eventPostfix;\n\n  if (!ecIns.isSilent(legacyEventName)) {\n    if (process.env.NODE_ENV !== 'production') {\n      deprecateLog(\"event \" + legacyEventName + \" is deprecated.\");\n    }\n\n    ecModel.eachComponent({\n      mainType: 'series',\n      subType: 'pie'\n    }, function (seriesModel) {\n      var seriesIndex = seriesModel.seriesIndex;\n      var selected = payload.selected;\n\n      for (var i = 0; i < selected.length; i++) {\n        if (selected[i].seriesIndex === seriesIndex) {\n          var data = seriesModel.getData();\n          var dataIndex = queryDataIndex(data, payload.fromActionPayload);\n          ecIns.trigger(legacyEventName, {\n            type: legacyEventName,\n            seriesId: seriesModel.id,\n            name: isArray(dataIndex) ? data.getName(dataIndex[0]) : data.getName(dataIndex),\n            selected: extend({}, seriesModel.option.selectedMap)\n          });\n        }\n      }\n    });\n  }\n}\n\nexport function handleLegacySelectEvents(messageCenter, ecIns, api) {\n  messageCenter.on('selectchanged', function (params) {\n    var ecModel = api.getModel();\n\n    if (params.isFromClick) {\n      handleSeriesLegacySelectEvents('map', 'selectchanged', ecIns, ecModel, params);\n      handleSeriesLegacySelectEvents('pie', 'selectchanged', ecIns, ecModel, params);\n    } else if (params.fromAction === 'select') {\n      handleSeriesLegacySelectEvents('map', 'selected', ecIns, ecModel, params);\n      handleSeriesLegacySelectEvents('pie', 'selected', ecIns, ecModel, params);\n    } else if (params.fromAction === 'unselect') {\n      handleSeriesLegacySelectEvents('map', 'unselected', ecIns, ecModel, params);\n      handleSeriesLegacySelectEvents('pie', 'unselected', ecIns, ecModel, params);\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport * as bbox from 'zrender/lib/core/bbox';\nimport * as vec2 from 'zrender/lib/core/vector';\nimport * as polygonContain from 'zrender/lib/contain/polygon';\nimport * as matrix from 'zrender/lib/core/matrix';\nvar TMP_TRANSFORM = [];\n\nvar Region =\n/** @class */\nfunction () {\n  function Region(name) {\n    this.name = name;\n  }\n  /**\n   * Get center point in data unit. That is,\n   * for GeoJSONRegion, the unit is lat/lng,\n   * for GeoSVGRegion, the unit is SVG local coord.\n   */\n\n\n  Region.prototype.getCenter = function () {\n    return;\n  };\n\n  return Region;\n}();\n\nexport { Region };\n\nvar GeoJSONRegion =\n/** @class */\nfunction (_super) {\n  __extends(GeoJSONRegion, _super);\n\n  function GeoJSONRegion(name, geometries, cp) {\n    var _this = _super.call(this, name) || this;\n\n    _this.type = 'geoJSON';\n    _this.geometries = geometries;\n\n    if (!cp) {\n      var rect = _this.getBoundingRect();\n\n      cp = [rect.x + rect.width / 2, rect.y + rect.height / 2];\n    } else {\n      cp = [cp[0], cp[1]];\n    }\n\n    _this._center = cp;\n    return _this;\n  }\n\n  GeoJSONRegion.prototype.getBoundingRect = function () {\n    var rect = this._rect;\n\n    if (rect) {\n      return rect;\n    }\n\n    var MAX_NUMBER = Number.MAX_VALUE;\n    var min = [MAX_NUMBER, MAX_NUMBER];\n    var max = [-MAX_NUMBER, -MAX_NUMBER];\n    var min2 = [];\n    var max2 = [];\n    var geometries = this.geometries;\n    var i = 0;\n\n    for (; i < geometries.length; i++) {\n      // Only support polygon\n      if (geometries[i].type !== 'polygon') {\n        continue;\n      } // Doesn't consider hole\n\n\n      var exterior = geometries[i].exterior;\n      bbox.fromPoints(exterior, min2, max2);\n      vec2.min(min, min, min2);\n      vec2.max(max, max, max2);\n    } // No data\n\n\n    if (i === 0) {\n      min[0] = min[1] = max[0] = max[1] = 0;\n    }\n\n    return this._rect = new BoundingRect(min[0], min[1], max[0] - min[0], max[1] - min[1]);\n  };\n\n  GeoJSONRegion.prototype.contain = function (coord) {\n    var rect = this.getBoundingRect();\n    var geometries = this.geometries;\n\n    if (!rect.contain(coord[0], coord[1])) {\n      return false;\n    }\n\n    loopGeo: for (var i = 0, len = geometries.length; i < len; i++) {\n      // Only support polygon.\n      if (geometries[i].type !== 'polygon') {\n        continue;\n      }\n\n      var exterior = geometries[i].exterior;\n      var interiors = geometries[i].interiors;\n\n      if (polygonContain.contain(exterior, coord[0], coord[1])) {\n        // Not in the region if point is in the hole.\n        for (var k = 0; k < (interiors ? interiors.length : 0); k++) {\n          if (polygonContain.contain(interiors[k], coord[0], coord[1])) {\n            continue loopGeo;\n          }\n        }\n\n        return true;\n      }\n    }\n\n    return false;\n  };\n\n  GeoJSONRegion.prototype.transformTo = function (x, y, width, height) {\n    var rect = this.getBoundingRect();\n    var aspect = rect.width / rect.height;\n\n    if (!width) {\n      width = aspect * height;\n    } else if (!height) {\n      height = width / aspect;\n    }\n\n    var target = new BoundingRect(x, y, width, height);\n    var transform = rect.calculateTransform(target);\n    var geometries = this.geometries;\n\n    for (var i = 0; i < geometries.length; i++) {\n      // Only support polygon.\n      if (geometries[i].type !== 'polygon') {\n        continue;\n      }\n\n      var exterior = geometries[i].exterior;\n      var interiors = geometries[i].interiors;\n\n      for (var p = 0; p < exterior.length; p++) {\n        vec2.applyTransform(exterior[p], exterior[p], transform);\n      }\n\n      for (var h = 0; h < (interiors ? interiors.length : 0); h++) {\n        for (var p = 0; p < interiors[h].length; p++) {\n          vec2.applyTransform(interiors[h][p], interiors[h][p], transform);\n        }\n      }\n    }\n\n    rect = this._rect;\n    rect.copy(target); // Update center\n\n    this._center = [rect.x + rect.width / 2, rect.y + rect.height / 2];\n  };\n\n  GeoJSONRegion.prototype.cloneShallow = function (name) {\n    name == null && (name = this.name);\n    var newRegion = new GeoJSONRegion(name, this.geometries, this._center);\n    newRegion._rect = this._rect;\n    newRegion.transformTo = null; // Simply avoid to be called.\n\n    return newRegion;\n  };\n\n  GeoJSONRegion.prototype.getCenter = function () {\n    return this._center;\n  };\n\n  GeoJSONRegion.prototype.setCenter = function (center) {\n    this._center = center;\n  };\n\n  return GeoJSONRegion;\n}(Region);\n\nexport { GeoJSONRegion };\n\nvar GeoSVGRegion =\n/** @class */\nfunction (_super) {\n  __extends(GeoSVGRegion, _super);\n\n  function GeoSVGRegion(name, elOnlyForCalculate) {\n    var _this = _super.call(this, name) || this;\n\n    _this.type = 'geoSVG';\n    _this._elOnlyForCalculate = elOnlyForCalculate;\n    return _this;\n  }\n\n  GeoSVGRegion.prototype.getCenter = function () {\n    var center = this._center;\n\n    if (!center) {\n      // In most cases there are no need to calculate this center.\n      // So calculate only when called.\n      center = this._center = this._calculateCenter();\n    }\n\n    return center;\n  };\n\n  GeoSVGRegion.prototype._calculateCenter = function () {\n    var el = this._elOnlyForCalculate;\n    var rect = el.getBoundingRect();\n    var center = [rect.x + rect.width / 2, rect.y + rect.height / 2];\n    var mat = matrix.identity(TMP_TRANSFORM);\n    var target = el;\n\n    while (target && !target.isGeoSVGGraphicRoot) {\n      matrix.mul(mat, target.getLocalTransform(), mat);\n      target = target.parent;\n    }\n\n    matrix.invert(mat, mat);\n    vec2.applyTransform(center, center, mat);\n    return center;\n  };\n\n  return GeoSVGRegion;\n}(Region);\n\nexport { GeoSVGRegion };","import { DOCUMENT, CommonModule } from '@angular/common';\nimport { Injectable, Inject, ɵɵdefineInjectable, ɵɵinject, QueryList, isDevMode, NgZone, Directive, ElementRef, Input, InjectionToken, Optional, EventEmitter, Output, NgModule } from '@angular/core';\nimport { __extends, __read } from 'tslib';\nimport { Subject, Subscription, of } from 'rxjs';\nimport { hasModifierKey, A, Z, ZERO, NINE, LEFT_ARROW, RIGHT_ARROW, UP_ARROW, DOWN_ARROW, TAB } from '@angular/cdk/keycodes';\nimport { tap, debounceTime, filter, map, take } from 'rxjs/operators';\nimport { coerceBooleanProperty, coerceElement } from '@angular/cdk/coercion';\nimport { Platform, normalizePassiveListenerOptions, PlatformModule } from '@angular/cdk/platform';\nimport { ContentObserver, ObserversModule } from '@angular/cdk/observers';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** IDs are deliminated by an empty space, as per the spec. */\nvar ID_DELIMINATOR = ' ';\n/**\n * Adds the given ID to the specified ARIA attribute on an element.\n * Used for attributes such as aria-labelledby, aria-owns, etc.\n */\nfunction addAriaReferencedId(el, attr, id) {\n    var ids = getAriaReferenceIds(el, attr);\n    if (ids.some(function (existingId) { return existingId.trim() == id.trim(); })) {\n        return;\n    }\n    ids.push(id.trim());\n    el.setAttribute(attr, ids.join(ID_DELIMINATOR));\n}\n/**\n * Removes the given ID from the specified ARIA attribute on an element.\n * Used for attributes such as aria-labelledby, aria-owns, etc.\n */\nfunction removeAriaReferencedId(el, attr, id) {\n    var ids = getAriaReferenceIds(el, attr);\n    var filteredIds = ids.filter(function (val) { return val != id.trim(); });\n    if (filteredIds.length) {\n        el.setAttribute(attr, filteredIds.join(ID_DELIMINATOR));\n    }\n    else {\n        el.removeAttribute(attr);\n    }\n}\n/**\n * Gets the list of IDs referenced by the given ARIA attribute on an element.\n * Used for attributes such as aria-labelledby, aria-owns, etc.\n */\nfunction getAriaReferenceIds(el, attr) {\n    // Get string array of all individual ids (whitespace deliminated) in the attribute value\n    return (el.getAttribute(attr) || '').match(/\\S+/g) || [];\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** ID used for the body container where all messages are appended. */\nvar MESSAGES_CONTAINER_ID = 'cdk-describedby-message-container';\n/** ID prefix used for each created message element. */\nvar CDK_DESCRIBEDBY_ID_PREFIX = 'cdk-describedby-message';\n/** Attribute given to each host element that is described by a message element. */\nvar CDK_DESCRIBEDBY_HOST_ATTRIBUTE = 'cdk-describedby-host';\n/** Global incremental identifier for each registered message element. */\nvar nextId = 0;\n/** Global map of all registered message elements that have been placed into the document. */\nvar messageRegistry = new Map();\n/** Container for all registered messages. */\nvar messagesContainer = null;\n/**\n * Utility that creates visually hidden elements with a message content. Useful for elements that\n * want to use aria-describedby to further describe themselves without adding additional visual\n * content.\n */\nvar AriaDescriber = /** @class */ (function () {\n    function AriaDescriber(_document) {\n        this._document = _document;\n    }\n    /**\n     * Adds to the host element an aria-describedby reference to a hidden element that contains\n     * the message. If the same message has already been registered, then it will reuse the created\n     * message element.\n     */\n    AriaDescriber.prototype.describe = function (hostElement, message) {\n        if (!this._canBeDescribed(hostElement, message)) {\n            return;\n        }\n        if (typeof message !== 'string') {\n            // We need to ensure that the element has an ID.\n            this._setMessageId(message);\n            messageRegistry.set(message, { messageElement: message, referenceCount: 0 });\n        }\n        else if (!messageRegistry.has(message)) {\n            this._createMessageElement(message);\n        }\n        if (!this._isElementDescribedByMessage(hostElement, message)) {\n            this._addMessageReference(hostElement, message);\n        }\n    };\n    /** Removes the host element's aria-describedby reference to the message element. */\n    AriaDescriber.prototype.removeDescription = function (hostElement, message) {\n        if (!this._isElementNode(hostElement)) {\n            return;\n        }\n        if (this._isElementDescribedByMessage(hostElement, message)) {\n            this._removeMessageReference(hostElement, message);\n        }\n        // If the message is a string, it means that it's one that we created for the\n        // consumer so we can remove it safely, otherwise we should leave it in place.\n        if (typeof message === 'string') {\n            var registeredMessage = messageRegistry.get(message);\n            if (registeredMessage && registeredMessage.referenceCount === 0) {\n                this._deleteMessageElement(message);\n            }\n        }\n        if (messagesContainer && messagesContainer.childNodes.length === 0) {\n            this._deleteMessagesContainer();\n        }\n    };\n    /** Unregisters all created message elements and removes the message container. */\n    AriaDescriber.prototype.ngOnDestroy = function () {\n        var describedElements = this._document.querySelectorAll(\"[\" + CDK_DESCRIBEDBY_HOST_ATTRIBUTE + \"]\");\n        for (var i = 0; i < describedElements.length; i++) {\n            this._removeCdkDescribedByReferenceIds(describedElements[i]);\n            describedElements[i].removeAttribute(CDK_DESCRIBEDBY_HOST_ATTRIBUTE);\n        }\n        if (messagesContainer) {\n            this._deleteMessagesContainer();\n        }\n        messageRegistry.clear();\n    };\n    /**\n     * Creates a new element in the visually hidden message container element with the message\n     * as its content and adds it to the message registry.\n     */\n    AriaDescriber.prototype._createMessageElement = function (message) {\n        var messageElement = this._document.createElement('div');\n        this._setMessageId(messageElement);\n        messageElement.textContent = message;\n        this._createMessagesContainer();\n        messagesContainer.appendChild(messageElement);\n        messageRegistry.set(message, { messageElement: messageElement, referenceCount: 0 });\n    };\n    /** Assigns a unique ID to an element, if it doesn't have one already. */\n    AriaDescriber.prototype._setMessageId = function (element) {\n        if (!element.id) {\n            element.id = CDK_DESCRIBEDBY_ID_PREFIX + \"-\" + nextId++;\n        }\n    };\n    /** Deletes the message element from the global messages container. */\n    AriaDescriber.prototype._deleteMessageElement = function (message) {\n        var registeredMessage = messageRegistry.get(message);\n        var messageElement = registeredMessage && registeredMessage.messageElement;\n        if (messagesContainer && messageElement) {\n            messagesContainer.removeChild(messageElement);\n        }\n        messageRegistry.delete(message);\n    };\n    /** Creates the global container for all aria-describedby messages. */\n    AriaDescriber.prototype._createMessagesContainer = function () {\n        if (!messagesContainer) {\n            var preExistingContainer = this._document.getElementById(MESSAGES_CONTAINER_ID);\n            // When going from the server to the client, we may end up in a situation where there's\n            // already a container on the page, but we don't have a reference to it. Clear the\n            // old container so we don't get duplicates. Doing this, instead of emptying the previous\n            // container, should be slightly faster.\n            if (preExistingContainer) {\n                preExistingContainer.parentNode.removeChild(preExistingContainer);\n            }\n            messagesContainer = this._document.createElement('div');\n            messagesContainer.id = MESSAGES_CONTAINER_ID;\n            messagesContainer.setAttribute('aria-hidden', 'true');\n            messagesContainer.style.display = 'none';\n            this._document.body.appendChild(messagesContainer);\n        }\n    };\n    /** Deletes the global messages container. */\n    AriaDescriber.prototype._deleteMessagesContainer = function () {\n        if (messagesContainer && messagesContainer.parentNode) {\n            messagesContainer.parentNode.removeChild(messagesContainer);\n            messagesContainer = null;\n        }\n    };\n    /** Removes all cdk-describedby messages that are hosted through the element. */\n    AriaDescriber.prototype._removeCdkDescribedByReferenceIds = function (element) {\n        // Remove all aria-describedby reference IDs that are prefixed by CDK_DESCRIBEDBY_ID_PREFIX\n        var originalReferenceIds = getAriaReferenceIds(element, 'aria-describedby')\n            .filter(function (id) { return id.indexOf(CDK_DESCRIBEDBY_ID_PREFIX) != 0; });\n        element.setAttribute('aria-describedby', originalReferenceIds.join(' '));\n    };\n    /**\n     * Adds a message reference to the element using aria-describedby and increments the registered\n     * message's reference count.\n     */\n    AriaDescriber.prototype._addMessageReference = function (element, message) {\n        var registeredMessage = messageRegistry.get(message);\n        // Add the aria-describedby reference and set the\n        // describedby_host attribute to mark the element.\n        addAriaReferencedId(element, 'aria-describedby', registeredMessage.messageElement.id);\n        element.setAttribute(CDK_DESCRIBEDBY_HOST_ATTRIBUTE, '');\n        registeredMessage.referenceCount++;\n    };\n    /**\n     * Removes a message reference from the element using aria-describedby\n     * and decrements the registered message's reference count.\n     */\n    AriaDescriber.prototype._removeMessageReference = function (element, message) {\n        var registeredMessage = messageRegistry.get(message);\n        registeredMessage.referenceCount--;\n        removeAriaReferencedId(element, 'aria-describedby', registeredMessage.messageElement.id);\n        element.removeAttribute(CDK_DESCRIBEDBY_HOST_ATTRIBUTE);\n    };\n    /** Returns true if the element has been described by the provided message ID. */\n    AriaDescriber.prototype._isElementDescribedByMessage = function (element, message) {\n        var referenceIds = getAriaReferenceIds(element, 'aria-describedby');\n        var registeredMessage = messageRegistry.get(message);\n        var messageId = registeredMessage && registeredMessage.messageElement.id;\n        return !!messageId && referenceIds.indexOf(messageId) != -1;\n    };\n    /** Determines whether a message can be described on a particular element. */\n    AriaDescriber.prototype._canBeDescribed = function (element, message) {\n        if (!this._isElementNode(element)) {\n            return false;\n        }\n        if (message && typeof message === 'object') {\n            // We'd have to make some assumptions about the description element's text, if the consumer\n            // passed in an element. Assume that if an element is passed in, the consumer has verified\n            // that it can be used as a description.\n            return true;\n        }\n        var trimmedMessage = message == null ? '' : (\"\" + message).trim();\n        var ariaLabel = element.getAttribute('aria-label');\n        // We shouldn't set descriptions if they're exactly the same as the `aria-label` of the\n        // element, because screen readers will end up reading out the same text twice in a row.\n        return trimmedMessage ? (!ariaLabel || ariaLabel.trim() !== trimmedMessage) : false;\n    };\n    /** Checks whether a node is an Element node. */\n    AriaDescriber.prototype._isElementNode = function (element) {\n        return element.nodeType === this._document.ELEMENT_NODE;\n    };\n    AriaDescriber.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    AriaDescriber.ctorParameters = function () { return [\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }\n    ]; };\n    AriaDescriber.ɵprov = ɵɵdefineInjectable({ factory: function AriaDescriber_Factory() { return new AriaDescriber(ɵɵinject(DOCUMENT)); }, token: AriaDescriber, providedIn: \"root\" });\n    return AriaDescriber;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * This class manages keyboard events for selectable lists. If you pass it a query list\n * of items, it will set the active item correctly when arrow events occur.\n */\nvar ListKeyManager = /** @class */ (function () {\n    function ListKeyManager(_items) {\n        var _this = this;\n        this._items = _items;\n        this._activeItemIndex = -1;\n        this._activeItem = null;\n        this._wrap = false;\n        this._letterKeyStream = new Subject();\n        this._typeaheadSubscription = Subscription.EMPTY;\n        this._vertical = true;\n        this._allowedModifierKeys = [];\n        /**\n         * Predicate function that can be used to check whether an item should be skipped\n         * by the key manager. By default, disabled items are skipped.\n         */\n        this._skipPredicateFn = function (item) { return item.disabled; };\n        // Buffer for the letters that the user has pressed when the typeahead option is turned on.\n        this._pressedLetters = [];\n        /**\n         * Stream that emits any time the TAB key is pressed, so components can react\n         * when focus is shifted off of the list.\n         */\n        this.tabOut = new Subject();\n        /** Stream that emits whenever the active item of the list manager changes. */\n        this.change = new Subject();\n        // We allow for the items to be an array because, in some cases, the consumer may\n        // not have access to a QueryList of the items they want to manage (e.g. when the\n        // items aren't being collected via `ViewChildren` or `ContentChildren`).\n        if (_items instanceof QueryList) {\n            _items.changes.subscribe(function (newItems) {\n                if (_this._activeItem) {\n                    var itemArray = newItems.toArray();\n                    var newIndex = itemArray.indexOf(_this._activeItem);\n                    if (newIndex > -1 && newIndex !== _this._activeItemIndex) {\n                        _this._activeItemIndex = newIndex;\n                    }\n                }\n            });\n        }\n    }\n    /**\n     * Sets the predicate function that determines which items should be skipped by the\n     * list key manager.\n     * @param predicate Function that determines whether the given item should be skipped.\n     */\n    ListKeyManager.prototype.skipPredicate = function (predicate) {\n        this._skipPredicateFn = predicate;\n        return this;\n    };\n    /**\n     * Configures wrapping mode, which determines whether the active item will wrap to\n     * the other end of list when there are no more items in the given direction.\n     * @param shouldWrap Whether the list should wrap when reaching the end.\n     */\n    ListKeyManager.prototype.withWrap = function (shouldWrap) {\n        if (shouldWrap === void 0) { shouldWrap = true; }\n        this._wrap = shouldWrap;\n        return this;\n    };\n    /**\n     * Configures whether the key manager should be able to move the selection vertically.\n     * @param enabled Whether vertical selection should be enabled.\n     */\n    ListKeyManager.prototype.withVerticalOrientation = function (enabled) {\n        if (enabled === void 0) { enabled = true; }\n        this._vertical = enabled;\n        return this;\n    };\n    /**\n     * Configures the key manager to move the selection horizontally.\n     * Passing in `null` will disable horizontal movement.\n     * @param direction Direction in which the selection can be moved.\n     */\n    ListKeyManager.prototype.withHorizontalOrientation = function (direction) {\n        this._horizontal = direction;\n        return this;\n    };\n    /**\n     * Modifier keys which are allowed to be held down and whose default actions will be prevented\n     * as the user is pressing the arrow keys. Defaults to not allowing any modifier keys.\n     */\n    ListKeyManager.prototype.withAllowedModifierKeys = function (keys) {\n        this._allowedModifierKeys = keys;\n        return this;\n    };\n    /**\n     * Turns on typeahead mode which allows users to set the active item by typing.\n     * @param debounceInterval Time to wait after the last keystroke before setting the active item.\n     */\n    ListKeyManager.prototype.withTypeAhead = function (debounceInterval) {\n        var _this = this;\n        if (debounceInterval === void 0) { debounceInterval = 200; }\n        if (this._items.length && this._items.some(function (item) { return typeof item.getLabel !== 'function'; })) {\n            throw Error('ListKeyManager items in typeahead mode must implement the `getLabel` method.');\n        }\n        this._typeaheadSubscription.unsubscribe();\n        // Debounce the presses of non-navigational keys, collect the ones that correspond to letters\n        // and convert those letters back into a string. Afterwards find the first item that starts\n        // with that string and select it.\n        this._typeaheadSubscription = this._letterKeyStream.pipe(tap(function (letter) { return _this._pressedLetters.push(letter); }), debounceTime(debounceInterval), filter(function () { return _this._pressedLetters.length > 0; }), map(function () { return _this._pressedLetters.join(''); })).subscribe(function (inputString) {\n            var items = _this._getItemsArray();\n            // Start at 1 because we want to start searching at the item immediately\n            // following the current active item.\n            for (var i = 1; i < items.length + 1; i++) {\n                var index = (_this._activeItemIndex + i) % items.length;\n                var item = items[index];\n                if (!_this._skipPredicateFn(item) &&\n                    item.getLabel().toUpperCase().trim().indexOf(inputString) === 0) {\n                    _this.setActiveItem(index);\n                    break;\n                }\n            }\n            _this._pressedLetters = [];\n        });\n        return this;\n    };\n    ListKeyManager.prototype.setActiveItem = function (item) {\n        var previousIndex = this._activeItemIndex;\n        this.updateActiveItem(item);\n        if (this._activeItemIndex !== previousIndex) {\n            this.change.next(this._activeItemIndex);\n        }\n    };\n    /**\n     * Sets the active item depending on the key event passed in.\n     * @param event Keyboard event to be used for determining which element should be active.\n     */\n    ListKeyManager.prototype.onKeydown = function (event) {\n        var _this = this;\n        var keyCode = event.keyCode;\n        var modifiers = ['altKey', 'ctrlKey', 'metaKey', 'shiftKey'];\n        var isModifierAllowed = modifiers.every(function (modifier) {\n            return !event[modifier] || _this._allowedModifierKeys.indexOf(modifier) > -1;\n        });\n        switch (keyCode) {\n            case TAB:\n                this.tabOut.next();\n                return;\n            case DOWN_ARROW:\n                if (this._vertical && isModifierAllowed) {\n                    this.setNextItemActive();\n                    break;\n                }\n                else {\n                    return;\n                }\n            case UP_ARROW:\n                if (this._vertical && isModifierAllowed) {\n                    this.setPreviousItemActive();\n                    break;\n                }\n                else {\n                    return;\n                }\n            case RIGHT_ARROW:\n                if (this._horizontal && isModifierAllowed) {\n                    this._horizontal === 'rtl' ? this.setPreviousItemActive() : this.setNextItemActive();\n                    break;\n                }\n                else {\n                    return;\n                }\n            case LEFT_ARROW:\n                if (this._horizontal && isModifierAllowed) {\n                    this._horizontal === 'rtl' ? this.setNextItemActive() : this.setPreviousItemActive();\n                    break;\n                }\n                else {\n                    return;\n                }\n            default:\n                if (isModifierAllowed || hasModifierKey(event, 'shiftKey')) {\n                    // Attempt to use the `event.key` which also maps it to the user's keyboard language,\n                    // otherwise fall back to resolving alphanumeric characters via the keyCode.\n                    if (event.key && event.key.length === 1) {\n                        this._letterKeyStream.next(event.key.toLocaleUpperCase());\n                    }\n                    else if ((keyCode >= A && keyCode <= Z) || (keyCode >= ZERO && keyCode <= NINE)) {\n                        this._letterKeyStream.next(String.fromCharCode(keyCode));\n                    }\n                }\n                // Note that we return here, in order to avoid preventing\n                // the default action of non-navigational keys.\n                return;\n        }\n        this._pressedLetters = [];\n        event.preventDefault();\n    };\n    Object.defineProperty(ListKeyManager.prototype, \"activeItemIndex\", {\n        /** Index of the currently active item. */\n        get: function () {\n            return this._activeItemIndex;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ListKeyManager.prototype, \"activeItem\", {\n        /** The active item. */\n        get: function () {\n            return this._activeItem;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** Gets whether the user is currently typing into the manager using the typeahead feature. */\n    ListKeyManager.prototype.isTyping = function () {\n        return this._pressedLetters.length > 0;\n    };\n    /** Sets the active item to the first enabled item in the list. */\n    ListKeyManager.prototype.setFirstItemActive = function () {\n        this._setActiveItemByIndex(0, 1);\n    };\n    /** Sets the active item to the last enabled item in the list. */\n    ListKeyManager.prototype.setLastItemActive = function () {\n        this._setActiveItemByIndex(this._items.length - 1, -1);\n    };\n    /** Sets the active item to the next enabled item in the list. */\n    ListKeyManager.prototype.setNextItemActive = function () {\n        this._activeItemIndex < 0 ? this.setFirstItemActive() : this._setActiveItemByDelta(1);\n    };\n    /** Sets the active item to a previous enabled item in the list. */\n    ListKeyManager.prototype.setPreviousItemActive = function () {\n        this._activeItemIndex < 0 && this._wrap ? this.setLastItemActive()\n            : this._setActiveItemByDelta(-1);\n    };\n    ListKeyManager.prototype.updateActiveItem = function (item) {\n        var itemArray = this._getItemsArray();\n        var index = typeof item === 'number' ? item : itemArray.indexOf(item);\n        var activeItem = itemArray[index];\n        // Explicitly check for `null` and `undefined` because other falsy values are valid.\n        this._activeItem = activeItem == null ? null : activeItem;\n        this._activeItemIndex = index;\n    };\n    /**\n     * This method sets the active item, given a list of items and the delta between the\n     * currently active item and the new active item. It will calculate differently\n     * depending on whether wrap mode is turned on.\n     */\n    ListKeyManager.prototype._setActiveItemByDelta = function (delta) {\n        this._wrap ? this._setActiveInWrapMode(delta) : this._setActiveInDefaultMode(delta);\n    };\n    /**\n     * Sets the active item properly given \"wrap\" mode. In other words, it will continue to move\n     * down the list until it finds an item that is not disabled, and it will wrap if it\n     * encounters either end of the list.\n     */\n    ListKeyManager.prototype._setActiveInWrapMode = function (delta) {\n        var items = this._getItemsArray();\n        for (var i = 1; i <= items.length; i++) {\n            var index = (this._activeItemIndex + (delta * i) + items.length) % items.length;\n            var item = items[index];\n            if (!this._skipPredicateFn(item)) {\n                this.setActiveItem(index);\n                return;\n            }\n        }\n    };\n    /**\n     * Sets the active item properly given the default mode. In other words, it will\n     * continue to move down the list until it finds an item that is not disabled. If\n     * it encounters either end of the list, it will stop and not wrap.\n     */\n    ListKeyManager.prototype._setActiveInDefaultMode = function (delta) {\n        this._setActiveItemByIndex(this._activeItemIndex + delta, delta);\n    };\n    /**\n     * Sets the active item to the first enabled item starting at the index specified. If the\n     * item is disabled, it will move in the fallbackDelta direction until it either\n     * finds an enabled item or encounters the end of the list.\n     */\n    ListKeyManager.prototype._setActiveItemByIndex = function (index, fallbackDelta) {\n        var items = this._getItemsArray();\n        if (!items[index]) {\n            return;\n        }\n        while (this._skipPredicateFn(items[index])) {\n            index += fallbackDelta;\n            if (!items[index]) {\n                return;\n            }\n        }\n        this.setActiveItem(index);\n    };\n    /** Returns the items as an array. */\n    ListKeyManager.prototype._getItemsArray = function () {\n        return this._items instanceof QueryList ? this._items.toArray() : this._items;\n    };\n    return ListKeyManager;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ActiveDescendantKeyManager = /** @class */ (function (_super) {\n    __extends(ActiveDescendantKeyManager, _super);\n    function ActiveDescendantKeyManager() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    ActiveDescendantKeyManager.prototype.setActiveItem = function (index) {\n        if (this.activeItem) {\n            this.activeItem.setInactiveStyles();\n        }\n        _super.prototype.setActiveItem.call(this, index);\n        if (this.activeItem) {\n            this.activeItem.setActiveStyles();\n        }\n    };\n    return ActiveDescendantKeyManager;\n}(ListKeyManager));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar FocusKeyManager = /** @class */ (function (_super) {\n    __extends(FocusKeyManager, _super);\n    function FocusKeyManager() {\n        var _this = _super !== null && _super.apply(this, arguments) || this;\n        _this._origin = 'program';\n        return _this;\n    }\n    /**\n     * Sets the focus origin that will be passed in to the items for any subsequent `focus` calls.\n     * @param origin Focus origin to be used when focusing items.\n     */\n    FocusKeyManager.prototype.setFocusOrigin = function (origin) {\n        this._origin = origin;\n        return this;\n    };\n    FocusKeyManager.prototype.setActiveItem = function (item) {\n        _super.prototype.setActiveItem.call(this, item);\n        if (this.activeItem) {\n            this.activeItem.focus(this._origin);\n        }\n    };\n    return FocusKeyManager;\n}(ListKeyManager));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// The InteractivityChecker leans heavily on the ally.js accessibility utilities.\n// Methods like `isTabbable` are only covering specific edge-cases for the browsers which are\n// supported.\n/**\n * Utility for checking the interactivity of an element, such as whether is is focusable or\n * tabbable.\n */\nvar InteractivityChecker = /** @class */ (function () {\n    function InteractivityChecker(_platform) {\n        this._platform = _platform;\n    }\n    /**\n     * Gets whether an element is disabled.\n     *\n     * @param element Element to be checked.\n     * @returns Whether the element is disabled.\n     */\n    InteractivityChecker.prototype.isDisabled = function (element) {\n        // This does not capture some cases, such as a non-form control with a disabled attribute or\n        // a form control inside of a disabled form, but should capture the most common cases.\n        return element.hasAttribute('disabled');\n    };\n    /**\n     * Gets whether an element is visible for the purposes of interactivity.\n     *\n     * This will capture states like `display: none` and `visibility: hidden`, but not things like\n     * being clipped by an `overflow: hidden` parent or being outside the viewport.\n     *\n     * @returns Whether the element is visible.\n     */\n    InteractivityChecker.prototype.isVisible = function (element) {\n        return hasGeometry(element) && getComputedStyle(element).visibility === 'visible';\n    };\n    /**\n     * Gets whether an element can be reached via Tab key.\n     * Assumes that the element has already been checked with isFocusable.\n     *\n     * @param element Element to be checked.\n     * @returns Whether the element is tabbable.\n     */\n    InteractivityChecker.prototype.isTabbable = function (element) {\n        // Nothing is tabbable on the server 😎\n        if (!this._platform.isBrowser) {\n            return false;\n        }\n        var frameElement = getFrameElement(getWindow(element));\n        if (frameElement) {\n            var frameType = frameElement && frameElement.nodeName.toLowerCase();\n            // Frame elements inherit their tabindex onto all child elements.\n            if (getTabIndexValue(frameElement) === -1) {\n                return false;\n            }\n            // Webkit and Blink consider anything inside of an <object> element as non-tabbable.\n            if ((this._platform.BLINK || this._platform.WEBKIT) && frameType === 'object') {\n                return false;\n            }\n            // Webkit and Blink disable tabbing to an element inside of an invisible frame.\n            if ((this._platform.BLINK || this._platform.WEBKIT) && !this.isVisible(frameElement)) {\n                return false;\n            }\n        }\n        var nodeName = element.nodeName.toLowerCase();\n        var tabIndexValue = getTabIndexValue(element);\n        if (element.hasAttribute('contenteditable')) {\n            return tabIndexValue !== -1;\n        }\n        if (nodeName === 'iframe') {\n            // The frames may be tabbable depending on content, but it's not possibly to reliably\n            // investigate the content of the frames.\n            return false;\n        }\n        if (nodeName === 'audio') {\n            if (!element.hasAttribute('controls')) {\n                // By default an <audio> element without the controls enabled is not tabbable.\n                return false;\n            }\n            else if (this._platform.BLINK) {\n                // In Blink <audio controls> elements are always tabbable.\n                return true;\n            }\n        }\n        if (nodeName === 'video') {\n            if (!element.hasAttribute('controls') && this._platform.TRIDENT) {\n                // In Trident a <video> element without the controls enabled is not tabbable.\n                return false;\n            }\n            else if (this._platform.BLINK || this._platform.FIREFOX) {\n                // In Chrome and Firefox <video controls> elements are always tabbable.\n                return true;\n            }\n        }\n        if (nodeName === 'object' && (this._platform.BLINK || this._platform.WEBKIT)) {\n            // In all Blink and WebKit based browsers <object> elements are never tabbable.\n            return false;\n        }\n        // In iOS the browser only considers some specific elements as tabbable.\n        if (this._platform.WEBKIT && this._platform.IOS && !isPotentiallyTabbableIOS(element)) {\n            return false;\n        }\n        return element.tabIndex >= 0;\n    };\n    /**\n     * Gets whether an element can be focused by the user.\n     *\n     * @param element Element to be checked.\n     * @returns Whether the element is focusable.\n     */\n    InteractivityChecker.prototype.isFocusable = function (element) {\n        // Perform checks in order of left to most expensive.\n        // Again, naive approach that does not capture many edge cases and browser quirks.\n        return isPotentiallyFocusable(element) && !this.isDisabled(element) && this.isVisible(element);\n    };\n    InteractivityChecker.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    InteractivityChecker.ctorParameters = function () { return [\n        { type: Platform }\n    ]; };\n    InteractivityChecker.ɵprov = ɵɵdefineInjectable({ factory: function InteractivityChecker_Factory() { return new InteractivityChecker(ɵɵinject(Platform)); }, token: InteractivityChecker, providedIn: \"root\" });\n    return InteractivityChecker;\n}());\n/**\n * Returns the frame element from a window object. Since browsers like MS Edge throw errors if\n * the frameElement property is being accessed from a different host address, this property\n * should be accessed carefully.\n */\nfunction getFrameElement(window) {\n    try {\n        return window.frameElement;\n    }\n    catch (_a) {\n        return null;\n    }\n}\n/** Checks whether the specified element has any geometry / rectangles. */\nfunction hasGeometry(element) {\n    // Use logic from jQuery to check for an invisible element.\n    // See https://github.com/jquery/jquery/blob/master/src/css/hiddenVisibleSelectors.js#L12\n    return !!(element.offsetWidth || element.offsetHeight ||\n        (typeof element.getClientRects === 'function' && element.getClientRects().length));\n}\n/** Gets whether an element's  */\nfunction isNativeFormElement(element) {\n    var nodeName = element.nodeName.toLowerCase();\n    return nodeName === 'input' ||\n        nodeName === 'select' ||\n        nodeName === 'button' ||\n        nodeName === 'textarea';\n}\n/** Gets whether an element is an `<input type=\"hidden\">`. */\nfunction isHiddenInput(element) {\n    return isInputElement(element) && element.type == 'hidden';\n}\n/** Gets whether an element is an anchor that has an href attribute. */\nfunction isAnchorWithHref(element) {\n    return isAnchorElement(element) && element.hasAttribute('href');\n}\n/** Gets whether an element is an input element. */\nfunction isInputElement(element) {\n    return element.nodeName.toLowerCase() == 'input';\n}\n/** Gets whether an element is an anchor element. */\nfunction isAnchorElement(element) {\n    return element.nodeName.toLowerCase() == 'a';\n}\n/** Gets whether an element has a valid tabindex. */\nfunction hasValidTabIndex(element) {\n    if (!element.hasAttribute('tabindex') || element.tabIndex === undefined) {\n        return false;\n    }\n    var tabIndex = element.getAttribute('tabindex');\n    // IE11 parses tabindex=\"\" as the value \"-32768\"\n    if (tabIndex == '-32768') {\n        return false;\n    }\n    return !!(tabIndex && !isNaN(parseInt(tabIndex, 10)));\n}\n/**\n * Returns the parsed tabindex from the element attributes instead of returning the\n * evaluated tabindex from the browsers defaults.\n */\nfunction getTabIndexValue(element) {\n    if (!hasValidTabIndex(element)) {\n        return null;\n    }\n    // See browser issue in Gecko https://bugzilla.mozilla.org/show_bug.cgi?id=1128054\n    var tabIndex = parseInt(element.getAttribute('tabindex') || '', 10);\n    return isNaN(tabIndex) ? -1 : tabIndex;\n}\n/** Checks whether the specified element is potentially tabbable on iOS */\nfunction isPotentiallyTabbableIOS(element) {\n    var nodeName = element.nodeName.toLowerCase();\n    var inputType = nodeName === 'input' && element.type;\n    return inputType === 'text'\n        || inputType === 'password'\n        || nodeName === 'select'\n        || nodeName === 'textarea';\n}\n/**\n * Gets whether an element is potentially focusable without taking current visible/disabled state\n * into account.\n */\nfunction isPotentiallyFocusable(element) {\n    // Inputs are potentially focusable *unless* they're type=\"hidden\".\n    if (isHiddenInput(element)) {\n        return false;\n    }\n    return isNativeFormElement(element) ||\n        isAnchorWithHref(element) ||\n        element.hasAttribute('contenteditable') ||\n        hasValidTabIndex(element);\n}\n/** Gets the parent window of a DOM node with regards of being inside of an iframe. */\nfunction getWindow(node) {\n    // ownerDocument is null if `node` itself *is* a document.\n    return node.ownerDocument && node.ownerDocument.defaultView || window;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Class that allows for trapping focus within a DOM element.\n *\n * This class currently uses a relatively simple approach to focus trapping.\n * It assumes that the tab order is the same as DOM order, which is not necessarily true.\n * Things like `tabIndex > 0`, flex `order`, and shadow roots can cause to two to misalign.\n */\nvar FocusTrap = /** @class */ (function () {\n    function FocusTrap(_element, _checker, _ngZone, _document, deferAnchors) {\n        var _this = this;\n        if (deferAnchors === void 0) { deferAnchors = false; }\n        this._element = _element;\n        this._checker = _checker;\n        this._ngZone = _ngZone;\n        this._document = _document;\n        this._hasAttached = false;\n        // Event listeners for the anchors. Need to be regular functions so that we can unbind them later.\n        this.startAnchorListener = function () { return _this.focusLastTabbableElement(); };\n        this.endAnchorListener = function () { return _this.focusFirstTabbableElement(); };\n        this._enabled = true;\n        if (!deferAnchors) {\n            this.attachAnchors();\n        }\n    }\n    Object.defineProperty(FocusTrap.prototype, \"enabled\", {\n        /** Whether the focus trap is active. */\n        get: function () { return this._enabled; },\n        set: function (value) {\n            this._enabled = value;\n            if (this._startAnchor && this._endAnchor) {\n                this._toggleAnchorTabIndex(value, this._startAnchor);\n                this._toggleAnchorTabIndex(value, this._endAnchor);\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** Destroys the focus trap by cleaning up the anchors. */\n    FocusTrap.prototype.destroy = function () {\n        var startAnchor = this._startAnchor;\n        var endAnchor = this._endAnchor;\n        if (startAnchor) {\n            startAnchor.removeEventListener('focus', this.startAnchorListener);\n            if (startAnchor.parentNode) {\n                startAnchor.parentNode.removeChild(startAnchor);\n            }\n        }\n        if (endAnchor) {\n            endAnchor.removeEventListener('focus', this.endAnchorListener);\n            if (endAnchor.parentNode) {\n                endAnchor.parentNode.removeChild(endAnchor);\n            }\n        }\n        this._startAnchor = this._endAnchor = null;\n    };\n    /**\n     * Inserts the anchors into the DOM. This is usually done automatically\n     * in the constructor, but can be deferred for cases like directives with `*ngIf`.\n     * @returns Whether the focus trap managed to attach successfuly. This may not be the case\n     * if the target element isn't currently in the DOM.\n     */\n    FocusTrap.prototype.attachAnchors = function () {\n        var _this = this;\n        // If we're not on the browser, there can be no focus to trap.\n        if (this._hasAttached) {\n            return true;\n        }\n        this._ngZone.runOutsideAngular(function () {\n            if (!_this._startAnchor) {\n                _this._startAnchor = _this._createAnchor();\n                _this._startAnchor.addEventListener('focus', _this.startAnchorListener);\n            }\n            if (!_this._endAnchor) {\n                _this._endAnchor = _this._createAnchor();\n                _this._endAnchor.addEventListener('focus', _this.endAnchorListener);\n            }\n        });\n        if (this._element.parentNode) {\n            this._element.parentNode.insertBefore(this._startAnchor, this._element);\n            this._element.parentNode.insertBefore(this._endAnchor, this._element.nextSibling);\n            this._hasAttached = true;\n        }\n        return this._hasAttached;\n    };\n    /**\n     * Waits for the zone to stabilize, then either focuses the first element that the\n     * user specified, or the first tabbable element.\n     * @returns Returns a promise that resolves with a boolean, depending\n     * on whether focus was moved successfuly.\n     */\n    FocusTrap.prototype.focusInitialElementWhenReady = function () {\n        var _this = this;\n        return new Promise(function (resolve) {\n            _this._executeOnStable(function () { return resolve(_this.focusInitialElement()); });\n        });\n    };\n    /**\n     * Waits for the zone to stabilize, then focuses\n     * the first tabbable element within the focus trap region.\n     * @returns Returns a promise that resolves with a boolean, depending\n     * on whether focus was moved successfuly.\n     */\n    FocusTrap.prototype.focusFirstTabbableElementWhenReady = function () {\n        var _this = this;\n        return new Promise(function (resolve) {\n            _this._executeOnStable(function () { return resolve(_this.focusFirstTabbableElement()); });\n        });\n    };\n    /**\n     * Waits for the zone to stabilize, then focuses\n     * the last tabbable element within the focus trap region.\n     * @returns Returns a promise that resolves with a boolean, depending\n     * on whether focus was moved successfuly.\n     */\n    FocusTrap.prototype.focusLastTabbableElementWhenReady = function () {\n        var _this = this;\n        return new Promise(function (resolve) {\n            _this._executeOnStable(function () { return resolve(_this.focusLastTabbableElement()); });\n        });\n    };\n    /**\n     * Get the specified boundary element of the trapped region.\n     * @param bound The boundary to get (start or end of trapped region).\n     * @returns The boundary element.\n     */\n    FocusTrap.prototype._getRegionBoundary = function (bound) {\n        // Contains the deprecated version of selector, for temporary backwards comparability.\n        var markers = this._element.querySelectorAll(\"[cdk-focus-region-\" + bound + \"], \" +\n            (\"[cdkFocusRegion\" + bound + \"], \") +\n            (\"[cdk-focus-\" + bound + \"]\"));\n        for (var i = 0; i < markers.length; i++) {\n            // @breaking-change 8.0.0\n            if (markers[i].hasAttribute(\"cdk-focus-\" + bound)) {\n                console.warn(\"Found use of deprecated attribute 'cdk-focus-\" + bound + \"', \" +\n                    (\"use 'cdkFocusRegion\" + bound + \"' instead. The deprecated \") +\n                    \"attribute will be removed in 8.0.0.\", markers[i]);\n            }\n            else if (markers[i].hasAttribute(\"cdk-focus-region-\" + bound)) {\n                console.warn(\"Found use of deprecated attribute 'cdk-focus-region-\" + bound + \"', \" +\n                    (\"use 'cdkFocusRegion\" + bound + \"' instead. The deprecated attribute \") +\n                    \"will be removed in 8.0.0.\", markers[i]);\n            }\n        }\n        if (bound == 'start') {\n            return markers.length ? markers[0] : this._getFirstTabbableElement(this._element);\n        }\n        return markers.length ?\n            markers[markers.length - 1] : this._getLastTabbableElement(this._element);\n    };\n    /**\n     * Focuses the element that should be focused when the focus trap is initialized.\n     * @returns Whether focus was moved successfuly.\n     */\n    FocusTrap.prototype.focusInitialElement = function () {\n        // Contains the deprecated version of selector, for temporary backwards comparability.\n        var redirectToElement = this._element.querySelector(\"[cdk-focus-initial], \" +\n            \"[cdkFocusInitial]\");\n        if (redirectToElement) {\n            // @breaking-change 8.0.0\n            if (redirectToElement.hasAttribute(\"cdk-focus-initial\")) {\n                console.warn(\"Found use of deprecated attribute 'cdk-focus-initial', \" +\n                    \"use 'cdkFocusInitial' instead. The deprecated attribute \" +\n                    \"will be removed in 8.0.0\", redirectToElement);\n            }\n            // Warn the consumer if the element they've pointed to\n            // isn't focusable, when not in production mode.\n            if (isDevMode() && !this._checker.isFocusable(redirectToElement)) {\n                console.warn(\"Element matching '[cdkFocusInitial]' is not focusable.\", redirectToElement);\n            }\n            redirectToElement.focus();\n            return true;\n        }\n        return this.focusFirstTabbableElement();\n    };\n    /**\n     * Focuses the first tabbable element within the focus trap region.\n     * @returns Whether focus was moved successfuly.\n     */\n    FocusTrap.prototype.focusFirstTabbableElement = function () {\n        var redirectToElement = this._getRegionBoundary('start');\n        if (redirectToElement) {\n            redirectToElement.focus();\n        }\n        return !!redirectToElement;\n    };\n    /**\n     * Focuses the last tabbable element within the focus trap region.\n     * @returns Whether focus was moved successfuly.\n     */\n    FocusTrap.prototype.focusLastTabbableElement = function () {\n        var redirectToElement = this._getRegionBoundary('end');\n        if (redirectToElement) {\n            redirectToElement.focus();\n        }\n        return !!redirectToElement;\n    };\n    /**\n     * Checks whether the focus trap has successfuly been attached.\n     */\n    FocusTrap.prototype.hasAttached = function () {\n        return this._hasAttached;\n    };\n    /** Get the first tabbable element from a DOM subtree (inclusive). */\n    FocusTrap.prototype._getFirstTabbableElement = function (root) {\n        if (this._checker.isFocusable(root) && this._checker.isTabbable(root)) {\n            return root;\n        }\n        // Iterate in DOM order. Note that IE doesn't have `children` for SVG so we fall\n        // back to `childNodes` which includes text nodes, comments etc.\n        var children = root.children || root.childNodes;\n        for (var i = 0; i < children.length; i++) {\n            var tabbableChild = children[i].nodeType === this._document.ELEMENT_NODE ?\n                this._getFirstTabbableElement(children[i]) :\n                null;\n            if (tabbableChild) {\n                return tabbableChild;\n            }\n        }\n        return null;\n    };\n    /** Get the last tabbable element from a DOM subtree (inclusive). */\n    FocusTrap.prototype._getLastTabbableElement = function (root) {\n        if (this._checker.isFocusable(root) && this._checker.isTabbable(root)) {\n            return root;\n        }\n        // Iterate in reverse DOM order.\n        var children = root.children || root.childNodes;\n        for (var i = children.length - 1; i >= 0; i--) {\n            var tabbableChild = children[i].nodeType === this._document.ELEMENT_NODE ?\n                this._getLastTabbableElement(children[i]) :\n                null;\n            if (tabbableChild) {\n                return tabbableChild;\n            }\n        }\n        return null;\n    };\n    /** Creates an anchor element. */\n    FocusTrap.prototype._createAnchor = function () {\n        var anchor = this._document.createElement('div');\n        this._toggleAnchorTabIndex(this._enabled, anchor);\n        anchor.classList.add('cdk-visually-hidden');\n        anchor.classList.add('cdk-focus-trap-anchor');\n        anchor.setAttribute('aria-hidden', 'true');\n        return anchor;\n    };\n    /**\n     * Toggles the `tabindex` of an anchor, based on the enabled state of the focus trap.\n     * @param isEnabled Whether the focus trap is enabled.\n     * @param anchor Anchor on which to toggle the tabindex.\n     */\n    FocusTrap.prototype._toggleAnchorTabIndex = function (isEnabled, anchor) {\n        // Remove the tabindex completely, rather than setting it to -1, because if the\n        // element has a tabindex, the user might still hit it when navigating with the arrow keys.\n        isEnabled ? anchor.setAttribute('tabindex', '0') : anchor.removeAttribute('tabindex');\n    };\n    /** Executes a function when the zone is stable. */\n    FocusTrap.prototype._executeOnStable = function (fn) {\n        if (this._ngZone.isStable) {\n            fn();\n        }\n        else {\n            this._ngZone.onStable.asObservable().pipe(take(1)).subscribe(fn);\n        }\n    };\n    return FocusTrap;\n}());\n/** Factory that allows easy instantiation of focus traps. */\nvar FocusTrapFactory = /** @class */ (function () {\n    function FocusTrapFactory(_checker, _ngZone, _document) {\n        this._checker = _checker;\n        this._ngZone = _ngZone;\n        this._document = _document;\n    }\n    /**\n     * Creates a focus-trapped region around the given element.\n     * @param element The element around which focus will be trapped.\n     * @param deferCaptureElements Defers the creation of focus-capturing elements to be done\n     *     manually by the user.\n     * @returns The created focus trap instance.\n     */\n    FocusTrapFactory.prototype.create = function (element, deferCaptureElements) {\n        if (deferCaptureElements === void 0) { deferCaptureElements = false; }\n        return new FocusTrap(element, this._checker, this._ngZone, this._document, deferCaptureElements);\n    };\n    FocusTrapFactory.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    FocusTrapFactory.ctorParameters = function () { return [\n        { type: InteractivityChecker },\n        { type: NgZone },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }\n    ]; };\n    FocusTrapFactory.ɵprov = ɵɵdefineInjectable({ factory: function FocusTrapFactory_Factory() { return new FocusTrapFactory(ɵɵinject(InteractivityChecker), ɵɵinject(NgZone), ɵɵinject(DOCUMENT)); }, token: FocusTrapFactory, providedIn: \"root\" });\n    return FocusTrapFactory;\n}());\n/** Directive for trapping focus within a region. */\nvar CdkTrapFocus = /** @class */ (function () {\n    function CdkTrapFocus(_elementRef, _focusTrapFactory, _document) {\n        this._elementRef = _elementRef;\n        this._focusTrapFactory = _focusTrapFactory;\n        /** Previously focused element to restore focus to upon destroy when using autoCapture. */\n        this._previouslyFocusedElement = null;\n        this._document = _document;\n        this.focusTrap = this._focusTrapFactory.create(this._elementRef.nativeElement, true);\n    }\n    Object.defineProperty(CdkTrapFocus.prototype, \"enabled\", {\n        /** Whether the focus trap is active. */\n        get: function () { return this.focusTrap.enabled; },\n        set: function (value) { this.focusTrap.enabled = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkTrapFocus.prototype, \"autoCapture\", {\n        /**\n         * Whether the directive should automatially move focus into the trapped region upon\n         * initialization and return focus to the previous activeElement upon destruction.\n         */\n        get: function () { return this._autoCapture; },\n        set: function (value) { this._autoCapture = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    CdkTrapFocus.prototype.ngOnDestroy = function () {\n        this.focusTrap.destroy();\n        // If we stored a previously focused element when using autoCapture, return focus to that\n        // element now that the trapped region is being destroyed.\n        if (this._previouslyFocusedElement) {\n            this._previouslyFocusedElement.focus();\n            this._previouslyFocusedElement = null;\n        }\n    };\n    CdkTrapFocus.prototype.ngAfterContentInit = function () {\n        this.focusTrap.attachAnchors();\n        if (this.autoCapture) {\n            this._previouslyFocusedElement = this._document.activeElement;\n            this.focusTrap.focusInitialElementWhenReady();\n        }\n    };\n    CdkTrapFocus.prototype.ngDoCheck = function () {\n        if (!this.focusTrap.hasAttached()) {\n            this.focusTrap.attachAnchors();\n        }\n    };\n    CdkTrapFocus.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkTrapFocus]',\n                    exportAs: 'cdkTrapFocus',\n                },] }\n    ];\n    /** @nocollapse */\n    CdkTrapFocus.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: FocusTrapFactory },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }\n    ]; };\n    CdkTrapFocus.propDecorators = {\n        enabled: [{ type: Input, args: ['cdkTrapFocus',] }],\n        autoCapture: [{ type: Input, args: ['cdkTrapFocusAutoCapture',] }]\n    };\n    return CdkTrapFocus;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar LIVE_ANNOUNCER_ELEMENT_TOKEN = new InjectionToken('liveAnnouncerElement', {\n    providedIn: 'root',\n    factory: LIVE_ANNOUNCER_ELEMENT_TOKEN_FACTORY,\n});\n/** @docs-private */\nfunction LIVE_ANNOUNCER_ELEMENT_TOKEN_FACTORY() {\n    return null;\n}\n/** Injection token that can be used to configure the default options for the LiveAnnouncer. */\nvar LIVE_ANNOUNCER_DEFAULT_OPTIONS = new InjectionToken('LIVE_ANNOUNCER_DEFAULT_OPTIONS');\n\nvar LiveAnnouncer = /** @class */ (function () {\n    function LiveAnnouncer(elementToken, _ngZone, _document, _defaultOptions) {\n        this._ngZone = _ngZone;\n        this._defaultOptions = _defaultOptions;\n        // We inject the live element and document as `any` because the constructor signature cannot\n        // reference browser globals (HTMLElement, Document) on non-browser environments, since having\n        // a class decorator causes TypeScript to preserve the constructor signature types.\n        this._document = _document;\n        this._liveElement = elementToken || this._createLiveElement();\n    }\n    LiveAnnouncer.prototype.announce = function (message) {\n        var _a;\n        var _this = this;\n        var args = [];\n        for (var _i = 1; _i < arguments.length; _i++) {\n            args[_i - 1] = arguments[_i];\n        }\n        var defaultOptions = this._defaultOptions;\n        var politeness;\n        var duration;\n        if (args.length === 1 && typeof args[0] === 'number') {\n            duration = args[0];\n        }\n        else {\n            _a = __read(args, 2), politeness = _a[0], duration = _a[1];\n        }\n        this.clear();\n        clearTimeout(this._previousTimeout);\n        if (!politeness) {\n            politeness =\n                (defaultOptions && defaultOptions.politeness) ? defaultOptions.politeness : 'polite';\n        }\n        if (duration == null && defaultOptions) {\n            duration = defaultOptions.duration;\n        }\n        // TODO: ensure changing the politeness works on all environments we support.\n        this._liveElement.setAttribute('aria-live', politeness);\n        // This 100ms timeout is necessary for some browser + screen-reader combinations:\n        // - Both JAWS and NVDA over IE11 will not announce anything without a non-zero timeout.\n        // - With Chrome and IE11 with NVDA or JAWS, a repeated (identical) message won't be read a\n        //   second time without clearing and then using a non-zero delay.\n        // (using JAWS 17 at time of this writing).\n        return this._ngZone.runOutsideAngular(function () {\n            return new Promise(function (resolve) {\n                clearTimeout(_this._previousTimeout);\n                _this._previousTimeout = setTimeout(function () {\n                    _this._liveElement.textContent = message;\n                    resolve();\n                    if (typeof duration === 'number') {\n                        _this._previousTimeout = setTimeout(function () { return _this.clear(); }, duration);\n                    }\n                }, 100);\n            });\n        });\n    };\n    /**\n     * Clears the current text from the announcer element. Can be used to prevent\n     * screen readers from reading the text out again while the user is going\n     * through the page landmarks.\n     */\n    LiveAnnouncer.prototype.clear = function () {\n        if (this._liveElement) {\n            this._liveElement.textContent = '';\n        }\n    };\n    LiveAnnouncer.prototype.ngOnDestroy = function () {\n        clearTimeout(this._previousTimeout);\n        if (this._liveElement && this._liveElement.parentNode) {\n            this._liveElement.parentNode.removeChild(this._liveElement);\n            this._liveElement = null;\n        }\n    };\n    LiveAnnouncer.prototype._createLiveElement = function () {\n        var elementClass = 'cdk-live-announcer-element';\n        var previousElements = this._document.getElementsByClassName(elementClass);\n        var liveEl = this._document.createElement('div');\n        // Remove any old containers. This can happen when coming in from a server-side-rendered page.\n        for (var i = 0; i < previousElements.length; i++) {\n            previousElements[i].parentNode.removeChild(previousElements[i]);\n        }\n        liveEl.classList.add(elementClass);\n        liveEl.classList.add('cdk-visually-hidden');\n        liveEl.setAttribute('aria-atomic', 'true');\n        liveEl.setAttribute('aria-live', 'polite');\n        this._document.body.appendChild(liveEl);\n        return liveEl;\n    };\n    LiveAnnouncer.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    LiveAnnouncer.ctorParameters = function () { return [\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [LIVE_ANNOUNCER_ELEMENT_TOKEN,] }] },\n        { type: NgZone },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [LIVE_ANNOUNCER_DEFAULT_OPTIONS,] }] }\n    ]; };\n    LiveAnnouncer.ɵprov = ɵɵdefineInjectable({ factory: function LiveAnnouncer_Factory() { return new LiveAnnouncer(ɵɵinject(LIVE_ANNOUNCER_ELEMENT_TOKEN, 8), ɵɵinject(NgZone), ɵɵinject(DOCUMENT), ɵɵinject(LIVE_ANNOUNCER_DEFAULT_OPTIONS, 8)); }, token: LiveAnnouncer, providedIn: \"root\" });\n    return LiveAnnouncer;\n}());\n/**\n * A directive that works similarly to aria-live, but uses the LiveAnnouncer to ensure compatibility\n * with a wider range of browsers and screen readers.\n */\nvar CdkAriaLive = /** @class */ (function () {\n    function CdkAriaLive(_elementRef, _liveAnnouncer, _contentObserver, _ngZone) {\n        this._elementRef = _elementRef;\n        this._liveAnnouncer = _liveAnnouncer;\n        this._contentObserver = _contentObserver;\n        this._ngZone = _ngZone;\n        this._politeness = 'off';\n    }\n    Object.defineProperty(CdkAriaLive.prototype, \"politeness\", {\n        /** The aria-live politeness level to use when announcing messages. */\n        get: function () { return this._politeness; },\n        set: function (value) {\n            var _this = this;\n            this._politeness = value === 'polite' || value === 'assertive' ? value : 'off';\n            if (this._politeness === 'off') {\n                if (this._subscription) {\n                    this._subscription.unsubscribe();\n                    this._subscription = null;\n                }\n            }\n            else if (!this._subscription) {\n                this._subscription = this._ngZone.runOutsideAngular(function () {\n                    return _this._contentObserver\n                        .observe(_this._elementRef)\n                        .subscribe(function () {\n                        // Note that we use textContent here, rather than innerText, in order to avoid a reflow.\n                        var elementText = _this._elementRef.nativeElement.textContent;\n                        // The `MutationObserver` fires also for attribute\n                        // changes which we don't want to announce.\n                        if (elementText !== _this._previousAnnouncedText) {\n                            _this._liveAnnouncer.announce(elementText, _this._politeness);\n                            _this._previousAnnouncedText = elementText;\n                        }\n                    });\n                });\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    CdkAriaLive.prototype.ngOnDestroy = function () {\n        if (this._subscription) {\n            this._subscription.unsubscribe();\n        }\n    };\n    CdkAriaLive.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkAriaLive]',\n                    exportAs: 'cdkAriaLive',\n                },] }\n    ];\n    /** @nocollapse */\n    CdkAriaLive.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: LiveAnnouncer },\n        { type: ContentObserver },\n        { type: NgZone }\n    ]; };\n    CdkAriaLive.propDecorators = {\n        politeness: [{ type: Input, args: ['cdkAriaLive',] }]\n    };\n    return CdkAriaLive;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// This is the value used by AngularJS Material. Through trial and error (on iPhone 6S) they found\n// that a value of around 650ms seems appropriate.\nvar TOUCH_BUFFER_MS = 650;\n/**\n * Event listener options that enable capturing and also\n * mark the listener as passive if the browser supports it.\n */\nvar captureEventListenerOptions = normalizePassiveListenerOptions({\n    passive: true,\n    capture: true\n});\n/** Monitors mouse and keyboard events to determine the cause of focus events. */\nvar FocusMonitor = /** @class */ (function () {\n    function FocusMonitor(_ngZone, _platform) {\n        var _this = this;\n        this._ngZone = _ngZone;\n        this._platform = _platform;\n        /** The focus origin that the next focus event is a result of. */\n        this._origin = null;\n        /** Whether the window has just been focused. */\n        this._windowFocused = false;\n        /** Map of elements being monitored to their info. */\n        this._elementInfo = new Map();\n        /** The number of elements currently being monitored. */\n        this._monitoredElementCount = 0;\n        /**\n         * Event listener for `keydown` events on the document.\n         * Needs to be an arrow function in order to preserve the context when it gets bound.\n         */\n        this._documentKeydownListener = function () {\n            // On keydown record the origin and clear any touch event that may be in progress.\n            _this._lastTouchTarget = null;\n            _this._setOriginForCurrentEventQueue('keyboard');\n        };\n        /**\n         * Event listener for `mousedown` events on the document.\n         * Needs to be an arrow function in order to preserve the context when it gets bound.\n         */\n        this._documentMousedownListener = function () {\n            // On mousedown record the origin only if there is not touch\n            // target, since a mousedown can happen as a result of a touch event.\n            if (!_this._lastTouchTarget) {\n                _this._setOriginForCurrentEventQueue('mouse');\n            }\n        };\n        /**\n         * Event listener for `touchstart` events on the document.\n         * Needs to be an arrow function in order to preserve the context when it gets bound.\n         */\n        this._documentTouchstartListener = function (event) {\n            // When the touchstart event fires the focus event is not yet in the event queue. This means\n            // we can't rely on the trick used above (setting timeout of 1ms). Instead we wait 650ms to\n            // see if a focus happens.\n            if (_this._touchTimeoutId != null) {\n                clearTimeout(_this._touchTimeoutId);\n            }\n            // Since this listener is bound on the `document` level, any events coming from the shadow DOM\n            // will have their `target` set to the shadow root. If available, use `composedPath` to\n            // figure out the event target.\n            _this._lastTouchTarget = event.composedPath ? event.composedPath()[0] : event.target;\n            _this._touchTimeoutId = setTimeout(function () { return _this._lastTouchTarget = null; }, TOUCH_BUFFER_MS);\n        };\n        /**\n         * Event listener for `focus` events on the window.\n         * Needs to be an arrow function in order to preserve the context when it gets bound.\n         */\n        this._windowFocusListener = function () {\n            // Make a note of when the window regains focus, so we can\n            // restore the origin info for the focused element.\n            _this._windowFocused = true;\n            _this._windowFocusTimeoutId = setTimeout(function () { return _this._windowFocused = false; });\n        };\n    }\n    FocusMonitor.prototype.monitor = function (element, checkChildren) {\n        var _this = this;\n        if (checkChildren === void 0) { checkChildren = false; }\n        // Do nothing if we're not on the browser platform.\n        if (!this._platform.isBrowser) {\n            return of(null);\n        }\n        var nativeElement = coerceElement(element);\n        // Check if we're already monitoring this element.\n        if (this._elementInfo.has(nativeElement)) {\n            var cachedInfo = this._elementInfo.get(nativeElement);\n            cachedInfo.checkChildren = checkChildren;\n            return cachedInfo.subject.asObservable();\n        }\n        // Create monitored element info.\n        var info = {\n            unlisten: function () { },\n            checkChildren: checkChildren,\n            subject: new Subject()\n        };\n        this._elementInfo.set(nativeElement, info);\n        this._incrementMonitoredElementCount();\n        // Start listening. We need to listen in capture phase since focus events don't bubble.\n        var focusListener = function (event) { return _this._onFocus(event, nativeElement); };\n        var blurListener = function (event) { return _this._onBlur(event, nativeElement); };\n        this._ngZone.runOutsideAngular(function () {\n            nativeElement.addEventListener('focus', focusListener, true);\n            nativeElement.addEventListener('blur', blurListener, true);\n        });\n        // Create an unlisten function for later.\n        info.unlisten = function () {\n            nativeElement.removeEventListener('focus', focusListener, true);\n            nativeElement.removeEventListener('blur', blurListener, true);\n        };\n        return info.subject.asObservable();\n    };\n    FocusMonitor.prototype.stopMonitoring = function (element) {\n        var nativeElement = coerceElement(element);\n        var elementInfo = this._elementInfo.get(nativeElement);\n        if (elementInfo) {\n            elementInfo.unlisten();\n            elementInfo.subject.complete();\n            this._setClasses(nativeElement);\n            this._elementInfo.delete(nativeElement);\n            this._decrementMonitoredElementCount();\n        }\n    };\n    FocusMonitor.prototype.focusVia = function (element, origin, options) {\n        var nativeElement = coerceElement(element);\n        this._setOriginForCurrentEventQueue(origin);\n        // `focus` isn't available on the server\n        if (typeof nativeElement.focus === 'function') {\n            // Cast the element to `any`, because the TS typings don't have the `options` parameter yet.\n            nativeElement.focus(options);\n        }\n    };\n    FocusMonitor.prototype.ngOnDestroy = function () {\n        var _this = this;\n        this._elementInfo.forEach(function (_info, element) { return _this.stopMonitoring(element); });\n    };\n    FocusMonitor.prototype._toggleClass = function (element, className, shouldSet) {\n        if (shouldSet) {\n            element.classList.add(className);\n        }\n        else {\n            element.classList.remove(className);\n        }\n    };\n    /**\n     * Sets the focus classes on the element based on the given focus origin.\n     * @param element The element to update the classes on.\n     * @param origin The focus origin.\n     */\n    FocusMonitor.prototype._setClasses = function (element, origin) {\n        var elementInfo = this._elementInfo.get(element);\n        if (elementInfo) {\n            this._toggleClass(element, 'cdk-focused', !!origin);\n            this._toggleClass(element, 'cdk-touch-focused', origin === 'touch');\n            this._toggleClass(element, 'cdk-keyboard-focused', origin === 'keyboard');\n            this._toggleClass(element, 'cdk-mouse-focused', origin === 'mouse');\n            this._toggleClass(element, 'cdk-program-focused', origin === 'program');\n        }\n    };\n    /**\n     * Sets the origin and schedules an async function to clear it at the end of the event queue.\n     * @param origin The origin to set.\n     */\n    FocusMonitor.prototype._setOriginForCurrentEventQueue = function (origin) {\n        var _this = this;\n        this._ngZone.runOutsideAngular(function () {\n            _this._origin = origin;\n            // Sometimes the focus origin won't be valid in Firefox because Firefox seems to focus *one*\n            // tick after the interaction event fired. To ensure the focus origin is always correct,\n            // the focus origin will be determined at the beginning of the next tick.\n            _this._originTimeoutId = setTimeout(function () { return _this._origin = null; }, 1);\n        });\n    };\n    /**\n     * Checks whether the given focus event was caused by a touchstart event.\n     * @param event The focus event to check.\n     * @returns Whether the event was caused by a touch.\n     */\n    FocusMonitor.prototype._wasCausedByTouch = function (event) {\n        // Note(mmalerba): This implementation is not quite perfect, there is a small edge case.\n        // Consider the following dom structure:\n        //\n        // <div #parent tabindex=\"0\" cdkFocusClasses>\n        //   <div #child (click)=\"#parent.focus()\"></div>\n        // </div>\n        //\n        // If the user touches the #child element and the #parent is programmatically focused as a\n        // result, this code will still consider it to have been caused by the touch event and will\n        // apply the cdk-touch-focused class rather than the cdk-program-focused class. This is a\n        // relatively small edge-case that can be worked around by using\n        // focusVia(parentEl, 'program') to focus the parent element.\n        //\n        // If we decide that we absolutely must handle this case correctly, we can do so by listening\n        // for the first focus event after the touchstart, and then the first blur event after that\n        // focus event. When that blur event fires we know that whatever follows is not a result of the\n        // touchstart.\n        var focusTarget = event.target;\n        return this._lastTouchTarget instanceof Node && focusTarget instanceof Node &&\n            (focusTarget === this._lastTouchTarget || focusTarget.contains(this._lastTouchTarget));\n    };\n    /**\n     * Handles focus events on a registered element.\n     * @param event The focus event.\n     * @param element The monitored element.\n     */\n    FocusMonitor.prototype._onFocus = function (event, element) {\n        // NOTE(mmalerba): We currently set the classes based on the focus origin of the most recent\n        // focus event affecting the monitored element. If we want to use the origin of the first event\n        // instead we should check for the cdk-focused class here and return if the element already has\n        // it. (This only matters for elements that have includesChildren = true).\n        // If we are not counting child-element-focus as focused, make sure that the event target is the\n        // monitored element itself.\n        var elementInfo = this._elementInfo.get(element);\n        if (!elementInfo || (!elementInfo.checkChildren && element !== event.target)) {\n            return;\n        }\n        // If we couldn't detect a cause for the focus event, it's due to one of three reasons:\n        // 1) The window has just regained focus, in which case we want to restore the focused state of\n        //    the element from before the window blurred.\n        // 2) It was caused by a touch event, in which case we mark the origin as 'touch'.\n        // 3) The element was programmatically focused, in which case we should mark the origin as\n        //    'program'.\n        var origin = this._origin;\n        if (!origin) {\n            if (this._windowFocused && this._lastFocusOrigin) {\n                origin = this._lastFocusOrigin;\n            }\n            else if (this._wasCausedByTouch(event)) {\n                origin = 'touch';\n            }\n            else {\n                origin = 'program';\n            }\n        }\n        this._setClasses(element, origin);\n        this._emitOrigin(elementInfo.subject, origin);\n        this._lastFocusOrigin = origin;\n    };\n    /**\n     * Handles blur events on a registered element.\n     * @param event The blur event.\n     * @param element The monitored element.\n     */\n    FocusMonitor.prototype._onBlur = function (event, element) {\n        // If we are counting child-element-focus as focused, make sure that we aren't just blurring in\n        // order to focus another child of the monitored element.\n        var elementInfo = this._elementInfo.get(element);\n        if (!elementInfo || (elementInfo.checkChildren && event.relatedTarget instanceof Node &&\n            element.contains(event.relatedTarget))) {\n            return;\n        }\n        this._setClasses(element);\n        this._emitOrigin(elementInfo.subject, null);\n    };\n    FocusMonitor.prototype._emitOrigin = function (subject, origin) {\n        this._ngZone.run(function () { return subject.next(origin); });\n    };\n    FocusMonitor.prototype._incrementMonitoredElementCount = function () {\n        var _this = this;\n        // Register global listeners when first element is monitored.\n        if (++this._monitoredElementCount == 1 && this._platform.isBrowser) {\n            // Note: we listen to events in the capture phase so we\n            // can detect them even if the user stops propagation.\n            this._ngZone.runOutsideAngular(function () {\n                document.addEventListener('keydown', _this._documentKeydownListener, captureEventListenerOptions);\n                document.addEventListener('mousedown', _this._documentMousedownListener, captureEventListenerOptions);\n                document.addEventListener('touchstart', _this._documentTouchstartListener, captureEventListenerOptions);\n                window.addEventListener('focus', _this._windowFocusListener);\n            });\n        }\n    };\n    FocusMonitor.prototype._decrementMonitoredElementCount = function () {\n        // Unregister global listeners when last element is unmonitored.\n        if (!--this._monitoredElementCount) {\n            document.removeEventListener('keydown', this._documentKeydownListener, captureEventListenerOptions);\n            document.removeEventListener('mousedown', this._documentMousedownListener, captureEventListenerOptions);\n            document.removeEventListener('touchstart', this._documentTouchstartListener, captureEventListenerOptions);\n            window.removeEventListener('focus', this._windowFocusListener);\n            // Clear timeouts for all potentially pending timeouts to prevent the leaks.\n            clearTimeout(this._windowFocusTimeoutId);\n            clearTimeout(this._touchTimeoutId);\n            clearTimeout(this._originTimeoutId);\n        }\n    };\n    FocusMonitor.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    FocusMonitor.ctorParameters = function () { return [\n        { type: NgZone },\n        { type: Platform }\n    ]; };\n    FocusMonitor.ɵprov = ɵɵdefineInjectable({ factory: function FocusMonitor_Factory() { return new FocusMonitor(ɵɵinject(NgZone), ɵɵinject(Platform)); }, token: FocusMonitor, providedIn: \"root\" });\n    return FocusMonitor;\n}());\n/**\n * Directive that determines how a particular element was focused (via keyboard, mouse, touch, or\n * programmatically) and adds corresponding classes to the element.\n *\n * There are two variants of this directive:\n * 1) cdkMonitorElementFocus: does not consider an element to be focused if one of its children is\n *    focused.\n * 2) cdkMonitorSubtreeFocus: considers an element focused if it or any of its children are focused.\n */\nvar CdkMonitorFocus = /** @class */ (function () {\n    function CdkMonitorFocus(_elementRef, _focusMonitor) {\n        var _this = this;\n        this._elementRef = _elementRef;\n        this._focusMonitor = _focusMonitor;\n        this.cdkFocusChange = new EventEmitter();\n        this._monitorSubscription = this._focusMonitor.monitor(this._elementRef, this._elementRef.nativeElement.hasAttribute('cdkMonitorSubtreeFocus'))\n            .subscribe(function (origin) { return _this.cdkFocusChange.emit(origin); });\n    }\n    CdkMonitorFocus.prototype.ngOnDestroy = function () {\n        this._focusMonitor.stopMonitoring(this._elementRef);\n        this._monitorSubscription.unsubscribe();\n    };\n    CdkMonitorFocus.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkMonitorElementFocus], [cdkMonitorSubtreeFocus]',\n                },] }\n    ];\n    /** @nocollapse */\n    CdkMonitorFocus.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: FocusMonitor }\n    ]; };\n    CdkMonitorFocus.propDecorators = {\n        cdkFocusChange: [{ type: Output }]\n    };\n    return CdkMonitorFocus;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Screenreaders will often fire fake mousedown events when a focusable element\n * is activated using the keyboard. We can typically distinguish between these faked\n * mousedown events and real mousedown events using the \"buttons\" property. While\n * real mousedowns will indicate the mouse button that was pressed (e.g. \"1\" for\n * the left mouse button), faked mousedowns will usually set the property value to 0.\n */\nfunction isFakeMousedownFromScreenReader(event) {\n    return event.buttons === 0;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** CSS class applied to the document body when in black-on-white high-contrast mode. */\nvar BLACK_ON_WHITE_CSS_CLASS = 'cdk-high-contrast-black-on-white';\n/** CSS class applied to the document body when in white-on-black high-contrast mode. */\nvar WHITE_ON_BLACK_CSS_CLASS = 'cdk-high-contrast-white-on-black';\n/** CSS class applied to the document body when in high-contrast mode. */\nvar HIGH_CONTRAST_MODE_ACTIVE_CSS_CLASS = 'cdk-high-contrast-active';\n/**\n * Service to determine whether the browser is currently in a high-constrast-mode environment.\n *\n * Microsoft Windows supports an accessibility feature called \"High Contrast Mode\". This mode\n * changes the appearance of all applications, including web applications, to dramatically increase\n * contrast.\n *\n * IE, Edge, and Firefox currently support this mode. Chrome does not support Windows High Contrast\n * Mode. This service does not detect high-contrast mode as added by the Chrome \"High Contrast\"\n * browser extension.\n */\nvar HighContrastModeDetector = /** @class */ (function () {\n    function HighContrastModeDetector(_platform, document) {\n        this._platform = _platform;\n        this._document = document;\n    }\n    /** Gets the current high-constrast-mode for the page. */\n    HighContrastModeDetector.prototype.getHighContrastMode = function () {\n        if (!this._platform.isBrowser) {\n            return 0 /* NONE */;\n        }\n        // Create a test element with an arbitrary background-color that is neither black nor\n        // white; high-contrast mode will coerce the color to either black or white. Also ensure that\n        // appending the test element to the DOM does not affect layout by absolutely positioning it\n        var testElement = this._document.createElement('div');\n        testElement.style.backgroundColor = 'rgb(1,2,3)';\n        testElement.style.position = 'absolute';\n        this._document.body.appendChild(testElement);\n        // Get the computed style for the background color, collapsing spaces to normalize between\n        // browsers. Once we get this color, we no longer need the test element. Access the `window`\n        // via the document so we can fake it in tests.\n        var documentWindow = this._document.defaultView;\n        var computedColor = (documentWindow.getComputedStyle(testElement).backgroundColor || '').replace(/ /g, '');\n        this._document.body.removeChild(testElement);\n        switch (computedColor) {\n            case 'rgb(0,0,0)': return 2 /* WHITE_ON_BLACK */;\n            case 'rgb(255,255,255)': return 1 /* BLACK_ON_WHITE */;\n        }\n        return 0 /* NONE */;\n    };\n    /** Applies CSS classes indicating high-contrast mode to document body (browser-only). */\n    HighContrastModeDetector.prototype._applyBodyHighContrastModeCssClasses = function () {\n        if (this._platform.isBrowser && this._document.body) {\n            var bodyClasses = this._document.body.classList;\n            // IE11 doesn't support `classList` operations with multiple arguments\n            bodyClasses.remove(HIGH_CONTRAST_MODE_ACTIVE_CSS_CLASS);\n            bodyClasses.remove(BLACK_ON_WHITE_CSS_CLASS);\n            bodyClasses.remove(WHITE_ON_BLACK_CSS_CLASS);\n            var mode = this.getHighContrastMode();\n            if (mode === 1 /* BLACK_ON_WHITE */) {\n                bodyClasses.add(HIGH_CONTRAST_MODE_ACTIVE_CSS_CLASS);\n                bodyClasses.add(BLACK_ON_WHITE_CSS_CLASS);\n            }\n            else if (mode === 2 /* WHITE_ON_BLACK */) {\n                bodyClasses.add(HIGH_CONTRAST_MODE_ACTIVE_CSS_CLASS);\n                bodyClasses.add(WHITE_ON_BLACK_CSS_CLASS);\n            }\n        }\n    };\n    HighContrastModeDetector.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    HighContrastModeDetector.ctorParameters = function () { return [\n        { type: Platform },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }\n    ]; };\n    HighContrastModeDetector.ɵprov = ɵɵdefineInjectable({ factory: function HighContrastModeDetector_Factory() { return new HighContrastModeDetector(ɵɵinject(Platform), ɵɵinject(DOCUMENT)); }, token: HighContrastModeDetector, providedIn: \"root\" });\n    return HighContrastModeDetector;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar A11yModule = /** @class */ (function () {\n    function A11yModule(highContrastModeDetector) {\n        highContrastModeDetector._applyBodyHighContrastModeCssClasses();\n    }\n    A11yModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [CommonModule, PlatformModule, ObserversModule],\n                    declarations: [CdkAriaLive, CdkTrapFocus, CdkMonitorFocus],\n                    exports: [CdkAriaLive, CdkTrapFocus, CdkMonitorFocus],\n                },] }\n    ];\n    /** @nocollapse */\n    A11yModule.ctorParameters = function () { return [\n        { type: HighContrastModeDetector }\n    ]; };\n    return A11yModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { A11yModule, ActiveDescendantKeyManager, AriaDescriber, CDK_DESCRIBEDBY_HOST_ATTRIBUTE, CDK_DESCRIBEDBY_ID_PREFIX, CdkAriaLive, CdkMonitorFocus, CdkTrapFocus, FocusKeyManager, FocusMonitor, FocusTrap, FocusTrapFactory, HighContrastModeDetector, InteractivityChecker, LIVE_ANNOUNCER_DEFAULT_OPTIONS, LIVE_ANNOUNCER_ELEMENT_TOKEN, LIVE_ANNOUNCER_ELEMENT_TOKEN_FACTORY, ListKeyManager, LiveAnnouncer, MESSAGES_CONTAINER_ID, TOUCH_BUFFER_MS, isFakeMousedownFromScreenReader };\n","import { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { Observable } from '../Observable';\n\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { ObservableInput, OperatorFunction, ObservedValueOf } from '../types';\n\n/* tslint:disable:max-line-length */\nexport function catchError<T, O extends ObservableInput<any>>(selector: (err: any, caught: Observable<T>) => O): OperatorFunction<T, T | ObservedValueOf<O>>;\n/* tslint:enable:max-line-length */\n\n/**\n * Catches errors on the observable to be handled by returning a new observable or throwing an error.\n *\n * ![](catch.png)\n *\n * ## Examples\n * Continues with a different Observable when there's an error\n *\n * ```ts\n * import { of } from 'rxjs';\n * import { map, catchError } from 'rxjs/operators';\n *\n * of(1, 2, 3, 4, 5).pipe(\n *     map(n => {\n *   \t   if (n === 4) {\n * \t       throw 'four!';\n *       }\n *\t     return n;\n *     }),\n *     catchError(err => of('I', 'II', 'III', 'IV', 'V')),\n *   )\n *   .subscribe(x => console.log(x));\n *   // 1, 2, 3, I, II, III, IV, V\n * ```\n *\n * Retries the caught source Observable again in case of error, similar to retry() operator\n *\n * ```ts\n * import { of } from 'rxjs';\n * import { map, catchError, take } from 'rxjs/operators';\n *\n * of(1, 2, 3, 4, 5).pipe(\n *     map(n => {\n *   \t   if (n === 4) {\n *   \t     throw 'four!';\n *       }\n * \t     return n;\n *     }),\n *     catchError((err, caught) => caught),\n *     take(30),\n *   )\n *   .subscribe(x => console.log(x));\n *   // 1, 2, 3, 1, 2, 3, ...\n * ```\n *\n * Throws a new error when the source Observable throws an error\n *\n * ```ts\n * import { of } from 'rxjs';\n * import { map, catchError } from 'rxjs/operators';\n *\n * of(1, 2, 3, 4, 5).pipe(\n *     map(n => {\n *       if (n === 4) {\n *         throw 'four!';\n *       }\n *       return n;\n *     }),\n *     catchError(err => {\n *       throw 'error in source. Details: ' + err;\n *     }),\n *   )\n *   .subscribe(\n *     x => console.log(x),\n *     err => console.log(err)\n *   );\n *   // 1, 2, 3, error in source. Details: four!\n * ```\n *\n *  @param {function} selector a function that takes as arguments `err`, which is the error, and `caught`, which\n *  is the source observable, in case you'd like to \"retry\" that observable by returning it again. Whatever observable\n *  is returned by the `selector` will be used to continue the observable chain.\n * @return {Observable} An observable that originates from either the source or the observable returned by the\n *  catch `selector` function.\n * @name catchError\n */\nexport function catchError<T, O extends ObservableInput<any>>(\n  selector: (err: any, caught: Observable<T>) => O\n): OperatorFunction<T, T | ObservedValueOf<O>> {\n  return function catchErrorOperatorFunction(source: Observable<T>): Observable<T | ObservedValueOf<O>> {\n    const operator = new CatchOperator(selector);\n    const caught = source.lift(operator);\n    return (operator.caught = caught as Observable<T>);\n  };\n}\n\nclass CatchOperator<T, R> implements Operator<T, T | R> {\n  caught: Observable<T>;\n\n  constructor(private selector: (err: any, caught: Observable<T>) => ObservableInput<T | R>) {\n  }\n\n  call(subscriber: Subscriber<R>, source: any): any {\n    return source.subscribe(new CatchSubscriber(subscriber, this.selector, this.caught));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass CatchSubscriber<T, R> extends OuterSubscriber<T, T | R> {\n  constructor(destination: Subscriber<any>,\n              private selector: (err: any, caught: Observable<T>) => ObservableInput<T | R>,\n              private caught: Observable<T>) {\n    super(destination);\n  }\n\n  // NOTE: overriding `error` instead of `_error` because we don't want\n  // to have this flag this subscriber as `isStopped`. We can mimic the\n  // behavior of the RetrySubscriber (from the `retry` operator), where\n  // we unsubscribe from our source chain, reset our Subscriber flags,\n  // then subscribe to the selector result.\n  error(err: any) {\n    if (!this.isStopped) {\n      let result: any;\n      try {\n        result = this.selector(err, this.caught);\n      } catch (err2) {\n        super.error(err2);\n        return;\n      }\n      this._unsubscribeAndRecycle();\n      const innerSubscriber = new InnerSubscriber(this, undefined, undefined);\n      this.add(innerSubscriber);\n      const innerSubscription = subscribeToResult(this, result, undefined, undefined, innerSubscriber);\n      // The returned subscription will usually be the subscriber that was\n      // passed. However, interop subscribers will be wrapped and for\n      // unsubscriptions to chain correctly, the wrapper needs to be added, too.\n      if (innerSubscription !== innerSubscriber) {\n        this.add(innerSubscription);\n      }\n    }\n  }\n}\n","import { SchedulerLike, SchedulerAction } from '../types';\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { Observable } from '../Observable';\nimport { asap } from '../scheduler/asap';\nimport { isNumeric } from '../util/isNumeric';\n\nexport interface DispatchArg<T> {\n  source: Observable<T>;\n  subscriber: Subscriber<T>;\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @extends {Ignored}\n * @hide true\n */\nexport class SubscribeOnObservable<T> extends Observable<T> {\n  /** @nocollapse */\n  static create<T>(source: Observable<T>, delay: number = 0, scheduler: SchedulerLike = asap): Observable<T> {\n    return new SubscribeOnObservable(source, delay, scheduler);\n  }\n\n  /** @nocollapse */\n  static dispatch<T>(this: SchedulerAction<T>, arg: DispatchArg<T>): Subscription {\n    const { source, subscriber } = arg;\n    return this.add(source.subscribe(subscriber));\n  }\n\n  constructor(public source: Observable<T>,\n              private delayTime: number = 0,\n              private scheduler: SchedulerLike = asap) {\n    super();\n    if (!isNumeric(delayTime) || delayTime < 0) {\n      this.delayTime = 0;\n    }\n    if (!scheduler || typeof scheduler.schedule !== 'function') {\n      this.scheduler = asap;\n    }\n  }\n\n  /** @deprecated This is an internal implementation detail, do not use. */\n  _subscribe(subscriber: Subscriber<T>) {\n    const delay = this.delayTime;\n    const source = this.source;\n    const scheduler = this.scheduler;\n\n    return scheduler.schedule<DispatchArg<any>>(SubscribeOnObservable.dispatch, delay, {\n      source, subscriber\n    });\n  }\n}\n","import { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { Observable } from '../Observable';\nimport { SubscribeOnObservable } from '../observable/SubscribeOnObservable';\nimport { MonoTypeOperatorFunction, SchedulerLike, TeardownLogic } from '../types';\n\n/**\n * Asynchronously subscribes Observers to this Observable on the specified {@link SchedulerLike}.\n *\n * With `subscribeOn` you can decide what type of scheduler a specific Observable will be using when it is subscribed to.\n *\n * Schedulers control the speed and order of emissions to observers from an Observable stream.\n *\n * ![](subscribeOn.png)\n *\n * ## Example\n * Given the following code:\n * ```javascript\n * import { of, merge } from 'rxjs';\n *\n * const a = of(1, 2, 3, 4);\n * const b = of(5, 6, 7, 8, 9);\n * merge(a, b).subscribe(console.log);\n * ```\n *\n * Both Observable `a` and `b` will emit their values directly and synchronously once they are subscribed to.\n * This will result in the output of `1 2 3 4 5 6 7 8 9`.\n *\n * But if we instead us the `subscribeOn` operator declaring that we want to use the {@link asyncScheduler} for values emited by Observable `a`:\n * ```javascript\n * import { of, merge, asyncScheduler } from 'rxjs';\n * import { subscribeOn } from 'rxjs/operators';\n *\n * const a = of(1, 2, 3, 4).pipe(subscribeOn(asyncScheduler));\n * const b = of(5, 6, 7, 8, 9);\n * merge(a, b).subscribe(console.log);\n * ```\n *\n * The output will instead be `5 6 7 8 9 1 2 3 4`.\n * The reason for this is that Observable `b` emits its values directly and synchronously like before\n * but the emissions from `a` are scheduled on the event loop because we are now using the {@link asyncScheduler} for that specific Observable.\n *\n * @param {SchedulerLike} scheduler - The {@link SchedulerLike} to perform subscription actions on.\n * @return {Observable<T>} The source Observable modified so that its subscriptions happen on the specified {@link SchedulerLike}.\n .\n * @method subscribeOn\n * @owner Observable\n */\nexport function subscribeOn<T>(scheduler: SchedulerLike, delay: number = 0): MonoTypeOperatorFunction<T> {\n  return function subscribeOnOperatorFunction(source: Observable<T>): Observable<T> {\n    return source.lift(new SubscribeOnOperator<T>(scheduler, delay));\n  };\n}\n\nclass SubscribeOnOperator<T> implements Operator<T, T> {\n  constructor(private scheduler: SchedulerLike,\n              private delay: number) {\n  }\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    return new SubscribeOnObservable<T>(\n      source, this.delay, this.scheduler\n    ).subscribe(subscriber);\n  }\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { trim, isArray, each, reduce } from 'zrender/lib/core/util';\nimport { retrieveVisualColorForTooltipMarker, createTooltipMarkup } from './tooltipMarkup';\nimport { retrieveRawValue } from '../../data/helper/dataProvider';\nimport { isNameSpecified } from '../../util/model';\nexport function defaultSeriesFormatTooltip(opt) {\n  var series = opt.series;\n  var dataIndex = opt.dataIndex;\n  var multipleSeries = opt.multipleSeries;\n  var data = series.getData();\n  var tooltipDims = data.mapDimensionsAll('defaultedTooltip');\n  var tooltipDimLen = tooltipDims.length;\n  var value = series.getRawValue(dataIndex);\n  var isValueArr = isArray(value);\n  var markerColor = retrieveVisualColorForTooltipMarker(series, dataIndex); // Complicated rule for pretty tooltip.\n\n  var inlineValue;\n  var inlineValueType;\n  var subBlocks;\n  var sortParam;\n\n  if (tooltipDimLen > 1 || isValueArr && !tooltipDimLen) {\n    var formatArrResult = formatTooltipArrayValue(value, series, dataIndex, tooltipDims, markerColor);\n    inlineValue = formatArrResult.inlineValues;\n    inlineValueType = formatArrResult.inlineValueTypes;\n    subBlocks = formatArrResult.blocks; // Only support tooltip sort by the first inline value. It's enough in most cases.\n\n    sortParam = formatArrResult.inlineValues[0];\n  } else if (tooltipDimLen) {\n    var dimInfo = data.getDimensionInfo(tooltipDims[0]);\n    sortParam = inlineValue = retrieveRawValue(data, dataIndex, tooltipDims[0]);\n    inlineValueType = dimInfo.type;\n  } else {\n    sortParam = inlineValue = isValueArr ? value[0] : value;\n  } // Do not show generated series name. It might not be readable.\n\n\n  var seriesNameSpecified = isNameSpecified(series);\n  var seriesName = seriesNameSpecified && series.name || '';\n  var itemName = data.getName(dataIndex);\n  var inlineName = multipleSeries ? seriesName : itemName;\n  return createTooltipMarkup('section', {\n    header: seriesName,\n    // When series name not specified, do not show a header line with only '-'.\n    // This case alway happen in tooltip.trigger: 'item'.\n    noHeader: multipleSeries || !seriesNameSpecified,\n    sortParam: sortParam,\n    blocks: [createTooltipMarkup('nameValue', {\n      markerType: 'item',\n      markerColor: markerColor,\n      // Do not mix display seriesName and itemName in one tooltip,\n      // which might confuses users.\n      name: inlineName,\n      // name dimension might be auto assigned, where the name might\n      // be not readable. So we check trim here.\n      noName: !trim(inlineName),\n      value: inlineValue,\n      valueType: inlineValueType\n    })].concat(subBlocks || [])\n  });\n}\n\nfunction formatTooltipArrayValue(value, series, dataIndex, tooltipDims, colorStr) {\n  // check: category-no-encode-has-axis-data in dataset.html\n  var data = series.getData();\n  var isValueMultipleLine = reduce(value, function (isValueMultipleLine, val, idx) {\n    var dimItem = data.getDimensionInfo(idx);\n    return isValueMultipleLine = isValueMultipleLine || dimItem && dimItem.tooltip !== false && dimItem.displayName != null;\n  }, false);\n  var inlineValues = [];\n  var inlineValueTypes = [];\n  var blocks = [];\n  tooltipDims.length ? each(tooltipDims, function (dim) {\n    setEachItem(retrieveRawValue(data, dataIndex, dim), dim);\n  }) // By default, all dims is used on tooltip.\n  : each(value, setEachItem);\n\n  function setEachItem(val, dim) {\n    var dimInfo = data.getDimensionInfo(dim); // If `dimInfo.tooltip` is not set, show tooltip.\n\n    if (!dimInfo || dimInfo.otherDims.tooltip === false) {\n      return;\n    }\n\n    if (isValueMultipleLine) {\n      blocks.push(createTooltipMarkup('nameValue', {\n        markerType: 'subItem',\n        markerColor: colorStr,\n        name: dimInfo.displayName,\n        value: val,\n        valueType: dimInfo.type\n      }));\n    } else {\n      inlineValues.push(val);\n      inlineValueTypes.push(dimInfo.type);\n    }\n  }\n\n  return {\n    inlineValues: inlineValues,\n    inlineValueTypes: inlineValueTypes,\n    blocks: blocks\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { setAsPrimitive, map, isTypedArray, assert, each, retrieve2 } from 'zrender/lib/core/util';\nimport { createSource, cloneSourceShallow } from '../Source';\nimport { SOURCE_FORMAT_TYPED_ARRAY, SOURCE_FORMAT_ORIGINAL } from '../../util/types';\nimport { querySeriesUpstreamDatasetModel, queryDatasetUpstreamDatasetModels } from './sourceHelper';\nimport { applyDataTransform } from './transform';\n/**\n * [REQUIREMENT_MEMO]:\n * (0) `metaRawOption` means `dimensions`/`sourceHeader`/`seriesLayoutBy` in raw option.\n * (1) Keep support the feature: `metaRawOption` can be specified both on `series` and\n * `root-dataset`. Them on `series` has higher priority.\n * (2) Do not support to set `metaRawOption` on a `non-root-dataset`, because it might\n * confuse users: whether those props indicate how to visit the upstream source or visit\n * the transform result source, and some transforms has nothing to do with these props,\n * and some transforms might have multiple upstream.\n * (3) Transforms should specify `metaRawOption` in each output, just like they can be\n * declared in `root-dataset`.\n * (4) At present only support visit source in `SERIES_LAYOUT_BY_COLUMN` in transforms.\n * That is for reducing complexity in transfroms.\n * PENDING: Whether to provide transposition transform?\n *\n * [IMPLEMENTAION_MEMO]:\n * \"sourceVisitConfig\" are calculated from `metaRawOption` and `data`.\n * They will not be calculated until `source` is about to be visited (to prevent from\n * duplicate calcuation). `source` is visited only in series and input to transforms.\n *\n * [DIMENSION_INHERIT_RULE]:\n * By default the dimensions are inherited from ancestors, unless a transform return\n * a new dimensions definition.\n * Consider the case:\n * ```js\n * dataset: [{\n *     source: [ ['Product', 'Sales', 'Prise'], ['Cookies', 321, 44.21], ...]\n * }, {\n *     transform: { type: 'filter', ... }\n * }]\n * dataset: [{\n *     dimension: ['Product', 'Sales', 'Prise'],\n *     source: [ ['Cookies', 321, 44.21], ...]\n * }, {\n *     transform: { type: 'filter', ... }\n * }]\n * ```\n * The two types of option should have the same behavior after transform.\n *\n *\n * [SCENARIO]:\n * (1) Provide source data directly:\n * ```js\n * series: {\n *     encode: {...},\n *     dimensions: [...]\n *     seriesLayoutBy: 'row',\n *     data: [[...]]\n * }\n * ```\n * (2) Series refer to dataset.\n * ```js\n * series: [{\n *     encode: {...}\n *     // Ignore datasetIndex means `datasetIndex: 0`\n *     // and the dimensions defination in dataset is used\n * }, {\n *     encode: {...},\n *     seriesLayoutBy: 'column',\n *     datasetIndex: 1\n * }]\n * ```\n * (3) dataset transform\n * ```js\n * dataset: [{\n *     source: [...]\n * }, {\n *     source: [...]\n * }, {\n *     // By default from 0.\n *     transform: { type: 'filter', config: {...} }\n * }, {\n *     // Piped.\n *     transform: [\n *         { type: 'filter', config: {...} },\n *         { type: 'sort', config: {...} }\n *     ]\n * }, {\n *     id: 'regressionData',\n *     fromDatasetIndex: 1,\n *     // Third-party transform\n *     transform: { type: 'ecStat:regression', config: {...} }\n * }, {\n *     // retrieve the extra result.\n *     id: 'regressionFormula',\n *     fromDatasetId: 'regressionData',\n *     fromTransformResult: 1\n * }]\n * ```\n */\n\nvar SourceManager =\n/** @class */\nfunction () {\n  function SourceManager(sourceHost) {\n    // Cached source. Do not repeat calculating if not dirty.\n    this._sourceList = []; // version sign of each upstream source manager.\n\n    this._upstreamSignList = [];\n    this._versionSignBase = 0;\n    this._sourceHost = sourceHost;\n  }\n  /**\n   * Mark dirty.\n   */\n\n\n  SourceManager.prototype.dirty = function () {\n    this._setLocalSource([], []);\n  };\n\n  SourceManager.prototype._setLocalSource = function (sourceList, upstreamSignList) {\n    this._sourceList = sourceList;\n    this._upstreamSignList = upstreamSignList;\n    this._versionSignBase++;\n\n    if (this._versionSignBase > 9e10) {\n      this._versionSignBase = 0;\n    }\n  };\n  /**\n   * For detecting whether the upstream source is dirty, so that\n   * the local cached source (in `_sourceList`) should be discarded.\n   */\n\n\n  SourceManager.prototype._getVersionSign = function () {\n    return this._sourceHost.uid + '_' + this._versionSignBase;\n  };\n  /**\n   * Always return a source instance. Otherwise throw error.\n   */\n\n\n  SourceManager.prototype.prepareSource = function () {\n    // For the case that call `setOption` multiple time but no data changed,\n    // cache the result source to prevent from repeating transform.\n    if (this._isDirty()) {\n      this._createSource();\n    }\n  };\n\n  SourceManager.prototype._createSource = function () {\n    this._setLocalSource([], []);\n\n    var sourceHost = this._sourceHost;\n\n    var upSourceMgrList = this._getUpstreamSourceManagers();\n\n    var hasUpstream = !!upSourceMgrList.length;\n    var resultSourceList;\n    var upstreamSignList;\n\n    if (isSeries(sourceHost)) {\n      var seriesModel = sourceHost;\n      var data = void 0;\n      var sourceFormat = void 0;\n      var upSource = void 0; // Has upstream dataset\n\n      if (hasUpstream) {\n        var upSourceMgr = upSourceMgrList[0];\n        upSourceMgr.prepareSource();\n        upSource = upSourceMgr.getSource();\n        data = upSource.data;\n        sourceFormat = upSource.sourceFormat;\n        upstreamSignList = [upSourceMgr._getVersionSign()];\n      } // Series data is from own.\n      else {\n          data = seriesModel.get('data', true);\n          sourceFormat = isTypedArray(data) ? SOURCE_FORMAT_TYPED_ARRAY : SOURCE_FORMAT_ORIGINAL;\n          upstreamSignList = [];\n        } // See [REQUIREMENT_MEMO], merge settings on series and parent dataset if it is root.\n\n\n      var newMetaRawOption = this._getSourceMetaRawOption();\n\n      var upMetaRawOption = upSource ? upSource.metaRawOption : null;\n      var seriesLayoutBy = retrieve2(newMetaRawOption.seriesLayoutBy, upMetaRawOption ? upMetaRawOption.seriesLayoutBy : null);\n      var sourceHeader = retrieve2(newMetaRawOption.sourceHeader, upMetaRawOption ? upMetaRawOption.sourceHeader : null); // Note here we should not use `upSource.dimensionsDefine`. Consider the case:\n      // `upSource.dimensionsDefine` is detected by `seriesLayoutBy: 'column'`,\n      // but series need `seriesLayoutBy: 'row'`.\n\n      var dimensions = retrieve2(newMetaRawOption.dimensions, upMetaRawOption ? upMetaRawOption.dimensions : null);\n      resultSourceList = [createSource(data, {\n        seriesLayoutBy: seriesLayoutBy,\n        sourceHeader: sourceHeader,\n        dimensions: dimensions\n      }, sourceFormat, seriesModel.get('encode', true))];\n    } else {\n      var datasetModel = sourceHost; // Has upstream dataset.\n\n      if (hasUpstream) {\n        var result = this._applyTransform(upSourceMgrList);\n\n        resultSourceList = result.sourceList;\n        upstreamSignList = result.upstreamSignList;\n      } // Is root dataset.\n      else {\n          var sourceData = datasetModel.get('source', true);\n          resultSourceList = [createSource(sourceData, this._getSourceMetaRawOption(), null, // Note: dataset option does not have `encode`.\n          null)];\n          upstreamSignList = [];\n        }\n    }\n\n    if (process.env.NODE_ENV !== 'production') {\n      assert(resultSourceList && upstreamSignList);\n    }\n\n    this._setLocalSource(resultSourceList, upstreamSignList);\n  };\n\n  SourceManager.prototype._applyTransform = function (upMgrList) {\n    var datasetModel = this._sourceHost;\n    var transformOption = datasetModel.get('transform', true);\n    var fromTransformResult = datasetModel.get('fromTransformResult', true);\n\n    if (process.env.NODE_ENV !== 'production') {\n      assert(fromTransformResult != null || transformOption != null);\n    }\n\n    if (fromTransformResult != null) {\n      var errMsg = '';\n\n      if (upMgrList.length !== 1) {\n        if (process.env.NODE_ENV !== 'production') {\n          errMsg = 'When using `fromTransformResult`, there should be only one upstream dataset';\n        }\n\n        doThrow(errMsg);\n      }\n    }\n\n    var sourceList;\n    var upSourceList = [];\n    var upstreamSignList = [];\n    each(upMgrList, function (upMgr) {\n      upMgr.prepareSource();\n      var upSource = upMgr.getSource(fromTransformResult || 0);\n      var errMsg = '';\n\n      if (fromTransformResult != null && !upSource) {\n        if (process.env.NODE_ENV !== 'production') {\n          errMsg = 'Can not retrieve result by `fromTransformResult`: ' + fromTransformResult;\n        }\n\n        doThrow(errMsg);\n      }\n\n      upSourceList.push(upSource);\n      upstreamSignList.push(upMgr._getVersionSign());\n    });\n\n    if (transformOption) {\n      sourceList = applyDataTransform(transformOption, upSourceList, {\n        datasetIndex: datasetModel.componentIndex\n      });\n    } else if (fromTransformResult != null) {\n      sourceList = [cloneSourceShallow(upSourceList[0])];\n    }\n\n    return {\n      sourceList: sourceList,\n      upstreamSignList: upstreamSignList\n    };\n  };\n\n  SourceManager.prototype._isDirty = function () {\n    var sourceList = this._sourceList;\n\n    if (!sourceList.length) {\n      return true;\n    } // All sourceList is from the some upsteam.\n\n\n    var upSourceMgrList = this._getUpstreamSourceManagers();\n\n    for (var i = 0; i < upSourceMgrList.length; i++) {\n      var upSrcMgr = upSourceMgrList[i];\n\n      if ( // Consider the case that there is ancestor diry, call it recursively.\n      // The performance is probably not an issue because usually the chain is not long.\n      upSrcMgr._isDirty() || this._upstreamSignList[i] !== upSrcMgr._getVersionSign()) {\n        return true;\n      }\n    }\n  };\n  /**\n   * @param sourceIndex By defualt 0, means \"main source\".\n   *                    Most cases there is only one source.\n   */\n\n\n  SourceManager.prototype.getSource = function (sourceIndex) {\n    return this._sourceList[sourceIndex || 0];\n  };\n  /**\n   * PEDING: Is it fast enough?\n   * If no upstream, return empty array.\n   */\n\n\n  SourceManager.prototype._getUpstreamSourceManagers = function () {\n    // Always get the relationship from the raw option.\n    // Do not cache the link of the dependency graph, so that\n    // no need to update them when change happen.\n    var sourceHost = this._sourceHost;\n\n    if (isSeries(sourceHost)) {\n      var datasetModel = querySeriesUpstreamDatasetModel(sourceHost);\n      return !datasetModel ? [] : [datasetModel.getSourceManager()];\n    } else {\n      return map(queryDatasetUpstreamDatasetModels(sourceHost), function (datasetModel) {\n        return datasetModel.getSourceManager();\n      });\n    }\n  };\n\n  SourceManager.prototype._getSourceMetaRawOption = function () {\n    var sourceHost = this._sourceHost;\n    var seriesLayoutBy;\n    var sourceHeader;\n    var dimensions;\n\n    if (isSeries(sourceHost)) {\n      seriesLayoutBy = sourceHost.get('seriesLayoutBy', true);\n      sourceHeader = sourceHost.get('sourceHeader', true);\n      dimensions = sourceHost.get('dimensions', true);\n    } // See [REQUIREMENT_MEMO], `non-root-dataset` do not support them.\n    else if (!this._getUpstreamSourceManagers().length) {\n        var model = sourceHost;\n        seriesLayoutBy = model.get('seriesLayoutBy', true);\n        sourceHeader = model.get('sourceHeader', true);\n        dimensions = model.get('dimensions', true);\n      }\n\n    return {\n      seriesLayoutBy: seriesLayoutBy,\n      sourceHeader: sourceHeader,\n      dimensions: dimensions\n    };\n  };\n\n  return SourceManager;\n}();\n\nexport { SourceManager }; // Call this method after `super.init` and `super.mergeOption` to\n// disable the transform merge, but do not disable transfrom clone from rawOption.\n\nexport function disableTransformOptionMerge(datasetModel) {\n  var transformOption = datasetModel.option.transform;\n  transformOption && setAsPrimitive(datasetModel.option.transform);\n}\n\nfunction isSeries(sourceHost) {\n  // Avoid circular dependency with Series.ts\n  return sourceHost.mainType === 'series';\n}\n\nfunction doThrow(errMsg) {\n  throw new Error(errMsg);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { createHashMap } from 'zrender/lib/core/util';\n;\n;\n;\nexport var VISUAL_DIMENSIONS = createHashMap(['tooltip', 'label', 'itemName', 'itemId', 'seriesName']);\nexport var SOURCE_FORMAT_ORIGINAL = 'original';\nexport var SOURCE_FORMAT_ARRAY_ROWS = 'arrayRows';\nexport var SOURCE_FORMAT_OBJECT_ROWS = 'objectRows';\nexport var SOURCE_FORMAT_KEYED_COLUMNS = 'keyedColumns';\nexport var SOURCE_FORMAT_TYPED_ARRAY = 'typedArray';\nexport var SOURCE_FORMAT_UNKNOWN = 'unknown';\nexport var SERIES_LAYOUT_BY_COLUMN = 'column';\nexport var SERIES_LAYOUT_BY_ROW = 'row';\n;\n;\n;\n;","var DEFAULT_MIN_MERGE = 32;\nvar DEFAULT_MIN_GALLOPING = 7;\nvar DEFAULT_TMP_STORAGE_LENGTH = 256;\nfunction minRunLength(n) {\n    var r = 0;\n    while (n >= DEFAULT_MIN_MERGE) {\n        r |= n & 1;\n        n >>= 1;\n    }\n    return n + r;\n}\nfunction makeAscendingRun(array, lo, hi, compare) {\n    var runHi = lo + 1;\n    if (runHi === hi) {\n        return 1;\n    }\n    if (compare(array[runHi++], array[lo]) < 0) {\n        while (runHi < hi && compare(array[runHi], array[runHi - 1]) < 0) {\n            runHi++;\n        }\n        reverseRun(array, lo, runHi);\n    }\n    else {\n        while (runHi < hi && compare(array[runHi], array[runHi - 1]) >= 0) {\n            runHi++;\n        }\n    }\n    return runHi - lo;\n}\nfunction reverseRun(array, lo, hi) {\n    hi--;\n    while (lo < hi) {\n        var t = array[lo];\n        array[lo++] = array[hi];\n        array[hi--] = t;\n    }\n}\nfunction binaryInsertionSort(array, lo, hi, start, compare) {\n    if (start === lo) {\n        start++;\n    }\n    for (; start < hi; start++) {\n        var pivot = array[start];\n        var left = lo;\n        var right = start;\n        var mid;\n        while (left < right) {\n            mid = left + right >>> 1;\n            if (compare(pivot, array[mid]) < 0) {\n                right = mid;\n            }\n            else {\n                left = mid + 1;\n            }\n        }\n        var n = start - left;\n        switch (n) {\n            case 3:\n                array[left + 3] = array[left + 2];\n            case 2:\n                array[left + 2] = array[left + 1];\n            case 1:\n                array[left + 1] = array[left];\n                break;\n            default:\n                while (n > 0) {\n                    array[left + n] = array[left + n - 1];\n                    n--;\n                }\n        }\n        array[left] = pivot;\n    }\n}\nfunction gallopLeft(value, array, start, length, hint, compare) {\n    var lastOffset = 0;\n    var maxOffset = 0;\n    var offset = 1;\n    if (compare(value, array[start + hint]) > 0) {\n        maxOffset = length - hint;\n        while (offset < maxOffset && compare(value, array[start + hint + offset]) > 0) {\n            lastOffset = offset;\n            offset = (offset << 1) + 1;\n            if (offset <= 0) {\n                offset = maxOffset;\n            }\n        }\n        if (offset > maxOffset) {\n            offset = maxOffset;\n        }\n        lastOffset += hint;\n        offset += hint;\n    }\n    else {\n        maxOffset = hint + 1;\n        while (offset < maxOffset && compare(value, array[start + hint - offset]) <= 0) {\n            lastOffset = offset;\n            offset = (offset << 1) + 1;\n            if (offset <= 0) {\n                offset = maxOffset;\n            }\n        }\n        if (offset > maxOffset) {\n            offset = maxOffset;\n        }\n        var tmp = lastOffset;\n        lastOffset = hint - offset;\n        offset = hint - tmp;\n    }\n    lastOffset++;\n    while (lastOffset < offset) {\n        var m = lastOffset + (offset - lastOffset >>> 1);\n        if (compare(value, array[start + m]) > 0) {\n            lastOffset = m + 1;\n        }\n        else {\n            offset = m;\n        }\n    }\n    return offset;\n}\nfunction gallopRight(value, array, start, length, hint, compare) {\n    var lastOffset = 0;\n    var maxOffset = 0;\n    var offset = 1;\n    if (compare(value, array[start + hint]) < 0) {\n        maxOffset = hint + 1;\n        while (offset < maxOffset && compare(value, array[start + hint - offset]) < 0) {\n            lastOffset = offset;\n            offset = (offset << 1) + 1;\n            if (offset <= 0) {\n                offset = maxOffset;\n            }\n        }\n        if (offset > maxOffset) {\n            offset = maxOffset;\n        }\n        var tmp = lastOffset;\n        lastOffset = hint - offset;\n        offset = hint - tmp;\n    }\n    else {\n        maxOffset = length - hint;\n        while (offset < maxOffset && compare(value, array[start + hint + offset]) >= 0) {\n            lastOffset = offset;\n            offset = (offset << 1) + 1;\n            if (offset <= 0) {\n                offset = maxOffset;\n            }\n        }\n        if (offset > maxOffset) {\n            offset = maxOffset;\n        }\n        lastOffset += hint;\n        offset += hint;\n    }\n    lastOffset++;\n    while (lastOffset < offset) {\n        var m = lastOffset + (offset - lastOffset >>> 1);\n        if (compare(value, array[start + m]) < 0) {\n            offset = m;\n        }\n        else {\n            lastOffset = m + 1;\n        }\n    }\n    return offset;\n}\nfunction TimSort(array, compare) {\n    var minGallop = DEFAULT_MIN_GALLOPING;\n    var length = 0;\n    var tmpStorageLength = DEFAULT_TMP_STORAGE_LENGTH;\n    var stackLength = 0;\n    var runStart;\n    var runLength;\n    var stackSize = 0;\n    length = array.length;\n    if (length < 2 * DEFAULT_TMP_STORAGE_LENGTH) {\n        tmpStorageLength = length >>> 1;\n    }\n    var tmp = [];\n    stackLength = length < 120 ? 5 : length < 1542 ? 10 : length < 119151 ? 19 : 40;\n    runStart = [];\n    runLength = [];\n    function pushRun(_runStart, _runLength) {\n        runStart[stackSize] = _runStart;\n        runLength[stackSize] = _runLength;\n        stackSize += 1;\n    }\n    function mergeRuns() {\n        while (stackSize > 1) {\n            var n = stackSize - 2;\n            if ((n >= 1 && runLength[n - 1] <= runLength[n] + runLength[n + 1])\n                || (n >= 2 && runLength[n - 2] <= runLength[n] + runLength[n - 1])) {\n                if (runLength[n - 1] < runLength[n + 1]) {\n                    n--;\n                }\n            }\n            else if (runLength[n] > runLength[n + 1]) {\n                break;\n            }\n            mergeAt(n);\n        }\n    }\n    function forceMergeRuns() {\n        while (stackSize > 1) {\n            var n = stackSize - 2;\n            if (n > 0 && runLength[n - 1] < runLength[n + 1]) {\n                n--;\n            }\n            mergeAt(n);\n        }\n    }\n    function mergeAt(i) {\n        var start1 = runStart[i];\n        var length1 = runLength[i];\n        var start2 = runStart[i + 1];\n        var length2 = runLength[i + 1];\n        runLength[i] = length1 + length2;\n        if (i === stackSize - 3) {\n            runStart[i + 1] = runStart[i + 2];\n            runLength[i + 1] = runLength[i + 2];\n        }\n        stackSize--;\n        var k = gallopRight(array[start2], array, start1, length1, 0, compare);\n        start1 += k;\n        length1 -= k;\n        if (length1 === 0) {\n            return;\n        }\n        length2 = gallopLeft(array[start1 + length1 - 1], array, start2, length2, length2 - 1, compare);\n        if (length2 === 0) {\n            return;\n        }\n        if (length1 <= length2) {\n            mergeLow(start1, length1, start2, length2);\n        }\n        else {\n            mergeHigh(start1, length1, start2, length2);\n        }\n    }\n    function mergeLow(start1, length1, start2, length2) {\n        var i = 0;\n        for (i = 0; i < length1; i++) {\n            tmp[i] = array[start1 + i];\n        }\n        var cursor1 = 0;\n        var cursor2 = start2;\n        var dest = start1;\n        array[dest++] = array[cursor2++];\n        if (--length2 === 0) {\n            for (i = 0; i < length1; i++) {\n                array[dest + i] = tmp[cursor1 + i];\n            }\n            return;\n        }\n        if (length1 === 1) {\n            for (i = 0; i < length2; i++) {\n                array[dest + i] = array[cursor2 + i];\n            }\n            array[dest + length2] = tmp[cursor1];\n            return;\n        }\n        var _minGallop = minGallop;\n        var count1;\n        var count2;\n        var exit;\n        while (1) {\n            count1 = 0;\n            count2 = 0;\n            exit = false;\n            do {\n                if (compare(array[cursor2], tmp[cursor1]) < 0) {\n                    array[dest++] = array[cursor2++];\n                    count2++;\n                    count1 = 0;\n                    if (--length2 === 0) {\n                        exit = true;\n                        break;\n                    }\n                }\n                else {\n                    array[dest++] = tmp[cursor1++];\n                    count1++;\n                    count2 = 0;\n                    if (--length1 === 1) {\n                        exit = true;\n                        break;\n                    }\n                }\n            } while ((count1 | count2) < _minGallop);\n            if (exit) {\n                break;\n            }\n            do {\n                count1 = gallopRight(array[cursor2], tmp, cursor1, length1, 0, compare);\n                if (count1 !== 0) {\n                    for (i = 0; i < count1; i++) {\n                        array[dest + i] = tmp[cursor1 + i];\n                    }\n                    dest += count1;\n                    cursor1 += count1;\n                    length1 -= count1;\n                    if (length1 <= 1) {\n                        exit = true;\n                        break;\n                    }\n                }\n                array[dest++] = array[cursor2++];\n                if (--length2 === 0) {\n                    exit = true;\n                    break;\n                }\n                count2 = gallopLeft(tmp[cursor1], array, cursor2, length2, 0, compare);\n                if (count2 !== 0) {\n                    for (i = 0; i < count2; i++) {\n                        array[dest + i] = array[cursor2 + i];\n                    }\n                    dest += count2;\n                    cursor2 += count2;\n                    length2 -= count2;\n                    if (length2 === 0) {\n                        exit = true;\n                        break;\n                    }\n                }\n                array[dest++] = tmp[cursor1++];\n                if (--length1 === 1) {\n                    exit = true;\n                    break;\n                }\n                _minGallop--;\n            } while (count1 >= DEFAULT_MIN_GALLOPING || count2 >= DEFAULT_MIN_GALLOPING);\n            if (exit) {\n                break;\n            }\n            if (_minGallop < 0) {\n                _minGallop = 0;\n            }\n            _minGallop += 2;\n        }\n        minGallop = _minGallop;\n        minGallop < 1 && (minGallop = 1);\n        if (length1 === 1) {\n            for (i = 0; i < length2; i++) {\n                array[dest + i] = array[cursor2 + i];\n            }\n            array[dest + length2] = tmp[cursor1];\n        }\n        else if (length1 === 0) {\n            throw new Error();\n        }\n        else {\n            for (i = 0; i < length1; i++) {\n                array[dest + i] = tmp[cursor1 + i];\n            }\n        }\n    }\n    function mergeHigh(start1, length1, start2, length2) {\n        var i = 0;\n        for (i = 0; i < length2; i++) {\n            tmp[i] = array[start2 + i];\n        }\n        var cursor1 = start1 + length1 - 1;\n        var cursor2 = length2 - 1;\n        var dest = start2 + length2 - 1;\n        var customCursor = 0;\n        var customDest = 0;\n        array[dest--] = array[cursor1--];\n        if (--length1 === 0) {\n            customCursor = dest - (length2 - 1);\n            for (i = 0; i < length2; i++) {\n                array[customCursor + i] = tmp[i];\n            }\n            return;\n        }\n        if (length2 === 1) {\n            dest -= length1;\n            cursor1 -= length1;\n            customDest = dest + 1;\n            customCursor = cursor1 + 1;\n            for (i = length1 - 1; i >= 0; i--) {\n                array[customDest + i] = array[customCursor + i];\n            }\n            array[dest] = tmp[cursor2];\n            return;\n        }\n        var _minGallop = minGallop;\n        while (true) {\n            var count1 = 0;\n            var count2 = 0;\n            var exit = false;\n            do {\n                if (compare(tmp[cursor2], array[cursor1]) < 0) {\n                    array[dest--] = array[cursor1--];\n                    count1++;\n                    count2 = 0;\n                    if (--length1 === 0) {\n                        exit = true;\n                        break;\n                    }\n                }\n                else {\n                    array[dest--] = tmp[cursor2--];\n                    count2++;\n                    count1 = 0;\n                    if (--length2 === 1) {\n                        exit = true;\n                        break;\n                    }\n                }\n            } while ((count1 | count2) < _minGallop);\n            if (exit) {\n                break;\n            }\n            do {\n                count1 = length1 - gallopRight(tmp[cursor2], array, start1, length1, length1 - 1, compare);\n                if (count1 !== 0) {\n                    dest -= count1;\n                    cursor1 -= count1;\n                    length1 -= count1;\n                    customDest = dest + 1;\n                    customCursor = cursor1 + 1;\n                    for (i = count1 - 1; i >= 0; i--) {\n                        array[customDest + i] = array[customCursor + i];\n                    }\n                    if (length1 === 0) {\n                        exit = true;\n                        break;\n                    }\n                }\n                array[dest--] = tmp[cursor2--];\n                if (--length2 === 1) {\n                    exit = true;\n                    break;\n                }\n                count2 = length2 - gallopLeft(array[cursor1], tmp, 0, length2, length2 - 1, compare);\n                if (count2 !== 0) {\n                    dest -= count2;\n                    cursor2 -= count2;\n                    length2 -= count2;\n                    customDest = dest + 1;\n                    customCursor = cursor2 + 1;\n                    for (i = 0; i < count2; i++) {\n                        array[customDest + i] = tmp[customCursor + i];\n                    }\n                    if (length2 <= 1) {\n                        exit = true;\n                        break;\n                    }\n                }\n                array[dest--] = array[cursor1--];\n                if (--length1 === 0) {\n                    exit = true;\n                    break;\n                }\n                _minGallop--;\n            } while (count1 >= DEFAULT_MIN_GALLOPING || count2 >= DEFAULT_MIN_GALLOPING);\n            if (exit) {\n                break;\n            }\n            if (_minGallop < 0) {\n                _minGallop = 0;\n            }\n            _minGallop += 2;\n        }\n        minGallop = _minGallop;\n        if (minGallop < 1) {\n            minGallop = 1;\n        }\n        if (length2 === 1) {\n            dest -= length1;\n            cursor1 -= length1;\n            customDest = dest + 1;\n            customCursor = cursor1 + 1;\n            for (i = length1 - 1; i >= 0; i--) {\n                array[customDest + i] = array[customCursor + i];\n            }\n            array[dest] = tmp[cursor2];\n        }\n        else if (length2 === 0) {\n            throw new Error();\n        }\n        else {\n            customCursor = dest - (length2 - 1);\n            for (i = 0; i < length2; i++) {\n                array[customCursor + i] = tmp[i];\n            }\n        }\n    }\n    return {\n        mergeRuns: mergeRuns,\n        forceMergeRuns: forceMergeRuns,\n        pushRun: pushRun\n    };\n}\nexport default function sort(array, compare, lo, hi) {\n    if (!lo) {\n        lo = 0;\n    }\n    if (!hi) {\n        hi = array.length;\n    }\n    var remaining = hi - lo;\n    if (remaining < 2) {\n        return;\n    }\n    var runLength = 0;\n    if (remaining < DEFAULT_MIN_MERGE) {\n        runLength = makeAscendingRun(array, lo, hi, compare);\n        binaryInsertionSort(array, lo, hi, lo + runLength, compare);\n        return;\n    }\n    var ts = TimSort(array, compare);\n    var minRun = minRunLength(remaining);\n    do {\n        runLength = makeAscendingRun(array, lo, hi, compare);\n        if (runLength < minRun) {\n            var force = remaining;\n            if (force > minRun) {\n                force = minRun;\n            }\n            binaryInsertionSort(array, lo, lo + force, lo + runLength, compare);\n            runLength = force;\n        }\n        ts.pushRun(lo, runLength);\n        ts.mergeRuns();\n        remaining -= runLength;\n        lo += runLength;\n    } while (remaining !== 0);\n    ts.forceMergeRuns();\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { SERIES_LAYOUT_BY_COLUMN, SOURCE_FORMAT_OBJECT_ROWS, SOURCE_FORMAT_ARRAY_ROWS } from '../../util/types';\nimport { normalizeToArray } from '../../util/model';\nimport { createHashMap, bind, each, hasOwn, map, clone, isObject, extend } from 'zrender/lib/core/util';\nimport { getRawSourceItemGetter, getRawSourceDataCounter, getRawSourceValueGetter } from './dataProvider';\nimport { parseDataValue } from './dataValueHelper';\nimport { consoleLog, makePrintable, throwError } from '../../util/log';\nimport { createSource, detectSourceFormat } from '../Source';\n/**\n * TODO: disable writable.\n * This structure will be exposed to users.\n */\n\nvar ExternalSource =\n/** @class */\nfunction () {\n  function ExternalSource() {}\n\n  ExternalSource.prototype.getRawData = function () {\n    // Only built-in transform available.\n    throw new Error('not supported');\n  };\n\n  ExternalSource.prototype.getRawDataItem = function (dataIndex) {\n    // Only built-in transform available.\n    throw new Error('not supported');\n  };\n\n  ExternalSource.prototype.cloneRawData = function () {\n    return;\n  };\n  /**\n   * @return If dimension not found, return null/undefined.\n   */\n\n\n  ExternalSource.prototype.getDimensionInfo = function (dim) {\n    return;\n  };\n  /**\n   * dimensions defined if and only if either:\n   * (a) dataset.dimensions are declared.\n   * (b) dataset data include dimensions definitions in data (detected or via specified `sourceHeader`).\n   * If dimensions are defined, `dimensionInfoAll` is corresponding to\n   * the defined dimensions.\n   * Otherwise, `dimensionInfoAll` is determined by data columns.\n   * @return Always return an array (even empty array).\n   */\n\n\n  ExternalSource.prototype.cloneAllDimensionInfo = function () {\n    return;\n  };\n\n  ExternalSource.prototype.count = function () {\n    return;\n  };\n  /**\n   * Only support by dimension index.\n   * No need to support by dimension name in transform function,\n   * becuase transform function is not case-specific, no need to use name literally.\n   */\n\n\n  ExternalSource.prototype.retrieveValue = function (dataIndex, dimIndex) {\n    return;\n  };\n\n  ExternalSource.prototype.retrieveValueFromItem = function (dataItem, dimIndex) {\n    return;\n  };\n\n  ExternalSource.prototype.convertValue = function (rawVal, dimInfo) {\n    return parseDataValue(rawVal, dimInfo);\n  };\n\n  return ExternalSource;\n}();\n\nexport { ExternalSource };\n\nfunction createExternalSource(internalSource, externalTransform) {\n  var extSource = new ExternalSource();\n  var data = internalSource.data;\n  var sourceFormat = extSource.sourceFormat = internalSource.sourceFormat;\n  var sourceHeaderCount = internalSource.startIndex;\n  var errMsg = '';\n\n  if (internalSource.seriesLayoutBy !== SERIES_LAYOUT_BY_COLUMN) {\n    // For the logic simplicity in transformer, only 'culumn' is\n    // supported in data transform. Otherwise, the `dimensionsDefine`\n    // might be detected by 'row', which probably confuses users.\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = '`seriesLayoutBy` of upstream dataset can only be \"column\" in data transform.';\n    }\n\n    throwError(errMsg);\n  } // [MEMO]\n  // Create a new dimensions structure for exposing.\n  // Do not expose all dimension info to users directly.\n  // Becuase the dimension is probably auto detected from data and not might reliable.\n  // Should not lead the transformers to think that is relialbe and return it.\n  // See [DIMENSION_INHERIT_RULE] in `sourceManager.ts`.\n\n\n  var dimensions = [];\n  var dimsByName = {};\n  var dimsDef = internalSource.dimensionsDefine;\n\n  if (dimsDef) {\n    each(dimsDef, function (dimDef, idx) {\n      var name = dimDef.name;\n      var dimDefExt = {\n        index: idx,\n        name: name,\n        displayName: dimDef.displayName\n      };\n      dimensions.push(dimDefExt); // Users probably not sepcify dimension name. For simplicity, data transform\n      // do not generate dimension name.\n\n      if (name != null) {\n        // Dimension name should not be duplicated.\n        // For simplicity, data transform forbid name duplication, do not generate\n        // new name like module `completeDimensions.ts` did, but just tell users.\n        var errMsg_1 = '';\n\n        if (hasOwn(dimsByName, name)) {\n          if (process.env.NODE_ENV !== 'production') {\n            errMsg_1 = 'dimension name \"' + name + '\" duplicated.';\n          }\n\n          throwError(errMsg_1);\n        }\n\n        dimsByName[name] = dimDefExt;\n      }\n    });\n  } // If dimension definitions are not defined and can not be detected.\n  // e.g., pure data `[[11, 22], ...]`.\n  else {\n      for (var i = 0; i < internalSource.dimensionsDetectedCount || 0; i++) {\n        // Do not generete name or anything others. The consequence process in\n        // `transform` or `series` probably have there own name generation strategry.\n        dimensions.push({\n          index: i\n        });\n      }\n    } // Implement public methods:\n\n\n  var rawItemGetter = getRawSourceItemGetter(sourceFormat, SERIES_LAYOUT_BY_COLUMN);\n\n  if (externalTransform.__isBuiltIn) {\n    extSource.getRawDataItem = function (dataIndex) {\n      return rawItemGetter(data, sourceHeaderCount, dimensions, dataIndex);\n    };\n\n    extSource.getRawData = bind(getRawData, null, internalSource);\n  }\n\n  extSource.cloneRawData = bind(cloneRawData, null, internalSource);\n  var rawCounter = getRawSourceDataCounter(sourceFormat, SERIES_LAYOUT_BY_COLUMN);\n  extSource.count = bind(rawCounter, null, data, sourceHeaderCount, dimensions);\n  var rawValueGetter = getRawSourceValueGetter(sourceFormat);\n\n  extSource.retrieveValue = function (dataIndex, dimIndex) {\n    var rawItem = rawItemGetter(data, sourceHeaderCount, dimensions, dataIndex);\n    return retrieveValueFromItem(rawItem, dimIndex);\n  };\n\n  var retrieveValueFromItem = extSource.retrieveValueFromItem = function (dataItem, dimIndex) {\n    if (dataItem == null) {\n      return;\n    }\n\n    var dimDef = dimensions[dimIndex]; // When `dimIndex` is `null`, `rawValueGetter` return the whole item.\n\n    if (dimDef) {\n      return rawValueGetter(dataItem, dimIndex, dimDef.name);\n    }\n  };\n\n  extSource.getDimensionInfo = bind(getDimensionInfo, null, dimensions, dimsByName);\n  extSource.cloneAllDimensionInfo = bind(cloneAllDimensionInfo, null, dimensions);\n  return extSource;\n}\n\nfunction getRawData(upstream) {\n  var sourceFormat = upstream.sourceFormat;\n\n  if (!isSupportedSourceFormat(sourceFormat)) {\n    var errMsg = '';\n\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = '`getRawData` is not supported in source format ' + sourceFormat;\n    }\n\n    throwError(errMsg);\n  }\n\n  return upstream.data;\n}\n\nfunction cloneRawData(upstream) {\n  var sourceFormat = upstream.sourceFormat;\n  var data = upstream.data;\n\n  if (!isSupportedSourceFormat(sourceFormat)) {\n    var errMsg = '';\n\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = '`cloneRawData` is not supported in source format ' + sourceFormat;\n    }\n\n    throwError(errMsg);\n  }\n\n  if (sourceFormat === SOURCE_FORMAT_ARRAY_ROWS) {\n    var result = [];\n\n    for (var i = 0, len = data.length; i < len; i++) {\n      // Not strictly clone for performance\n      result.push(data[i].slice());\n    }\n\n    return result;\n  } else if (sourceFormat === SOURCE_FORMAT_OBJECT_ROWS) {\n    var result = [];\n\n    for (var i = 0, len = data.length; i < len; i++) {\n      // Not strictly clone for performance\n      result.push(extend({}, data[i]));\n    }\n\n    return result;\n  }\n}\n\nfunction getDimensionInfo(dimensions, dimsByName, dim) {\n  if (dim == null) {\n    return;\n  } // Keep the same logic as `List::getDimension` did.\n\n\n  if (typeof dim === 'number' // If being a number-like string but not being defined a dimension name.\n  || !isNaN(dim) && !hasOwn(dimsByName, dim)) {\n    return dimensions[dim];\n  } else if (hasOwn(dimsByName, dim)) {\n    return dimsByName[dim];\n  }\n}\n\nfunction cloneAllDimensionInfo(dimensions) {\n  return clone(dimensions);\n}\n\nvar externalTransformMap = createHashMap();\nexport function registerExternalTransform(externalTransform) {\n  externalTransform = clone(externalTransform);\n  var type = externalTransform.type;\n  var errMsg = '';\n\n  if (!type) {\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = 'Must have a `type` when `registerTransform`.';\n    }\n\n    throwError(errMsg);\n  }\n\n  var typeParsed = type.split(':');\n\n  if (typeParsed.length !== 2) {\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = 'Name must include namespace like \"ns:regression\".';\n    }\n\n    throwError(errMsg);\n  } // Namespace 'echarts:xxx' is official namespace, where the transforms should\n  // be called directly via 'xxx' rather than 'echarts:xxx'.\n\n\n  var isBuiltIn = false;\n\n  if (typeParsed[0] === 'echarts') {\n    type = typeParsed[1];\n    isBuiltIn = true;\n  }\n\n  externalTransform.__isBuiltIn = isBuiltIn;\n  externalTransformMap.set(type, externalTransform);\n}\nexport function applyDataTransform(rawTransOption, sourceList, infoForPrint) {\n  var pipedTransOption = normalizeToArray(rawTransOption);\n  var pipeLen = pipedTransOption.length;\n  var errMsg = '';\n\n  if (!pipeLen) {\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = 'If `transform` declared, it should at least contain one transform.';\n    }\n\n    throwError(errMsg);\n  }\n\n  for (var i = 0, len = pipeLen; i < len; i++) {\n    var transOption = pipedTransOption[i];\n    sourceList = applySingleDataTransform(transOption, sourceList, infoForPrint, pipeLen === 1 ? null : i); // piped transform only support single input, except the fist one.\n    // piped transform only support single output, except the last one.\n\n    if (i !== len - 1) {\n      sourceList.length = Math.max(sourceList.length, 1);\n    }\n  }\n\n  return sourceList;\n}\n\nfunction applySingleDataTransform(transOption, upSourceList, infoForPrint, // If `pipeIndex` is null/undefined, no piped transform.\npipeIndex) {\n  var errMsg = '';\n\n  if (!upSourceList.length) {\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = 'Must have at least one upstream dataset.';\n    }\n\n    throwError(errMsg);\n  }\n\n  if (!isObject(transOption)) {\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = 'transform declaration must be an object rather than ' + typeof transOption + '.';\n    }\n\n    throwError(errMsg);\n  }\n\n  var transType = transOption.type;\n  var externalTransform = externalTransformMap.get(transType);\n\n  if (!externalTransform) {\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = 'Can not find transform on type \"' + transType + '\".';\n    }\n\n    throwError(errMsg);\n  } // Prepare source\n\n\n  var extUpSourceList = map(upSourceList, function (upSource) {\n    return createExternalSource(upSource, externalTransform);\n  });\n  var resultList = normalizeToArray(externalTransform.transform({\n    upstream: extUpSourceList[0],\n    upstreamList: extUpSourceList,\n    config: clone(transOption.config)\n  }));\n\n  if (process.env.NODE_ENV !== 'production') {\n    if (transOption.print) {\n      var printStrArr = map(resultList, function (extSource) {\n        var pipeIndexStr = pipeIndex != null ? ' === pipe index: ' + pipeIndex : '';\n        return ['=== dataset index: ' + infoForPrint.datasetIndex + pipeIndexStr + ' ===', '- transform result data:', makePrintable(extSource.data), '- transform result dimensions:', makePrintable(extSource.dimensions)].join('\\n');\n      }).join('\\n');\n      consoleLog(printStrArr);\n    }\n  }\n\n  return map(resultList, function (result, resultIndex) {\n    var errMsg = '';\n\n    if (!isObject(result)) {\n      if (process.env.NODE_ENV !== 'production') {\n        errMsg = 'A transform should not return some empty results.';\n      }\n\n      throwError(errMsg);\n    }\n\n    if (!result.data) {\n      if (process.env.NODE_ENV !== 'production') {\n        errMsg = 'Transform result data should be not be null or undefined';\n      }\n\n      throwError(errMsg);\n    }\n\n    var sourceFormat = detectSourceFormat(result.data);\n\n    if (!isSupportedSourceFormat(sourceFormat)) {\n      if (process.env.NODE_ENV !== 'production') {\n        errMsg = 'Transform result data should be array rows or object rows.';\n      }\n\n      throwError(errMsg);\n    }\n\n    var resultMetaRawOption;\n    var firstUpSource = upSourceList[0];\n    /**\n     * Intuitively, the end users known the content of the original `dataset.source`,\n     * calucating the transform result in mind.\n     * Suppose the original `dataset.source` is:\n     * ```js\n     * [\n     *     ['product', '2012', '2013', '2014', '2015'],\n     *     ['AAA', 41.1, 30.4, 65.1, 53.3],\n     *     ['BBB', 86.5, 92.1, 85.7, 83.1],\n     *     ['CCC', 24.1, 67.2, 79.5, 86.4]\n     * ]\n     * ```\n     * The dimension info have to be detected from the source data.\n     * Some of the transformers (like filter, sort) will follow the dimension info\n     * of upstream, while others use new dimensions (like aggregate).\n     * Transformer can output a field `dimensions` to define the its own output dimensions.\n     * We also allow transformers to ignore the output `dimensions` field, and\n     * inherit the upstream dimensions definition. It can reduce the burden of handling\n     * dimensions in transformers.\n     *\n     * See also [DIMENSION_INHERIT_RULE] in `sourceManager.ts`.\n     */\n\n    if (firstUpSource && resultIndex === 0 // If transformer returns `dimensions`, it means that the transformer has different\n    // dimensions definitions. We do not inherit anything from upstream.\n    && !result.dimensions) {\n      var startIndex = firstUpSource.startIndex; // We copy the header of upstream to the result becuase:\n      // (1) The returned data always does not contain header line and can not be used\n      // as dimension-detection. In this case we can not use \"detected dimensions\" of\n      // upstream directly, because it might be detected based on different `seriesLayoutBy`.\n      // (2) We should support that the series read the upstream source in `seriesLayoutBy: 'row'`.\n      // So the original detected header should be add to the result, otherwise they can not be read.\n\n      if (startIndex) {\n        result.data = firstUpSource.data.slice(0, startIndex).concat(result.data);\n      }\n\n      resultMetaRawOption = {\n        seriesLayoutBy: SERIES_LAYOUT_BY_COLUMN,\n        sourceHeader: startIndex,\n        dimensions: firstUpSource.metaRawOption.dimensions\n      };\n    } else {\n      resultMetaRawOption = {\n        seriesLayoutBy: SERIES_LAYOUT_BY_COLUMN,\n        sourceHeader: 0,\n        dimensions: result.dimensions\n      };\n    }\n\n    return createSource(result.data, resultMetaRawOption, null, null);\n  });\n}\n\nfunction isSupportedSourceFormat(sourceFormat) {\n  return sourceFormat === SOURCE_FORMAT_ARRAY_ROWS || sourceFormat === SOURCE_FORMAT_OBJECT_ROWS;\n}","\"use strict\";\nvar __importDefault = (this && this.__importDefault) || function (mod) {\n    return (mod && mod.__esModule) ? mod : { \"default\": mod };\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar xml_json_1 = __importDefault(require(\"./maps/xml.json\"));\nvar inverseXML = getInverseObj(xml_json_1.default);\nvar xmlReplacer = getInverseReplacer(inverseXML);\nexports.encodeXML = getInverse(inverseXML, xmlReplacer);\nvar entities_json_1 = __importDefault(require(\"./maps/entities.json\"));\nvar inverseHTML = getInverseObj(entities_json_1.default);\nvar htmlReplacer = getInverseReplacer(inverseHTML);\nexports.encodeHTML = getInverse(inverseHTML, htmlReplacer);\nfunction getInverseObj(obj) {\n    return Object.keys(obj)\n        .sort()\n        .reduce(function (inverse, name) {\n        inverse[obj[name]] = \"&\" + name + \";\";\n        return inverse;\n    }, {});\n}\nfunction getInverseReplacer(inverse) {\n    var single = [];\n    var multiple = [];\n    Object.keys(inverse).forEach(function (k) {\n        return k.length === 1\n            ? // Add value to single array\n                single.push(\"\\\\\" + k)\n            : // Add value to multiple array\n                multiple.push(k);\n    });\n    //TODO add ranges\n    multiple.unshift(\"[\" + single.join(\"\") + \"]\");\n    return new RegExp(multiple.join(\"|\"), \"g\");\n}\nvar reNonASCII = /[^\\0-\\x7F]/g;\nvar reAstralSymbols = /[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]/g;\nfunction singleCharReplacer(c) {\n    return \"&#x\" + c\n        .charCodeAt(0)\n        .toString(16)\n        .toUpperCase() + \";\";\n}\n// eslint-disable-next-line @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any\nfunction astralReplacer(c, _) {\n    // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae\n    var high = c.charCodeAt(0);\n    var low = c.charCodeAt(1);\n    var codePoint = (high - 0xd800) * 0x400 + low - 0xdc00 + 0x10000;\n    return \"&#x\" + codePoint.toString(16).toUpperCase() + \";\";\n}\nfunction getInverse(inverse, re) {\n    return function (data) {\n        return data\n            .replace(re, function (name) { return inverse[name]; })\n            .replace(reAstralSymbols, astralReplacer)\n            .replace(reNonASCII, singleCharReplacer);\n    };\n}\nvar reXmlChars = getInverseReplacer(inverseXML);\nfunction escape(data) {\n    return data\n        .replace(reXmlChars, singleCharReplacer)\n        .replace(reAstralSymbols, astralReplacer)\n        .replace(reNonASCII, singleCharReplacer);\n}\nexports.escape = escape;\n","import windingLine from './windingLine';\nvar EPSILON = 1e-8;\nfunction isAroundEqual(a, b) {\n    return Math.abs(a - b) < EPSILON;\n}\nexport function contain(points, x, y) {\n    var w = 0;\n    var p = points[0];\n    if (!p) {\n        return false;\n    }\n    for (var i = 1; i < points.length; i++) {\n        var p2 = points[i];\n        w += windingLine(p[0], p[1], p2[0], p2[1], x, y);\n        p = p2;\n    }\n    var p0 = points[0];\n    if (!isAroundEqual(p[0], p0[0]) || !isAroundEqual(p[1], p0[1])) {\n        w += windingLine(p[0], p[1], p0[0], p0[1], x, y);\n    }\n    return w !== 0;\n}\n","var easing = {\n    linear: function (k) {\n        return k;\n    },\n    quadraticIn: function (k) {\n        return k * k;\n    },\n    quadraticOut: function (k) {\n        return k * (2 - k);\n    },\n    quadraticInOut: function (k) {\n        if ((k *= 2) < 1) {\n            return 0.5 * k * k;\n        }\n        return -0.5 * (--k * (k - 2) - 1);\n    },\n    cubicIn: function (k) {\n        return k * k * k;\n    },\n    cubicOut: function (k) {\n        return --k * k * k + 1;\n    },\n    cubicInOut: function (k) {\n        if ((k *= 2) < 1) {\n            return 0.5 * k * k * k;\n        }\n        return 0.5 * ((k -= 2) * k * k + 2);\n    },\n    quarticIn: function (k) {\n        return k * k * k * k;\n    },\n    quarticOut: function (k) {\n        return 1 - (--k * k * k * k);\n    },\n    quarticInOut: function (k) {\n        if ((k *= 2) < 1) {\n            return 0.5 * k * k * k * k;\n        }\n        return -0.5 * ((k -= 2) * k * k * k - 2);\n    },\n    quinticIn: function (k) {\n        return k * k * k * k * k;\n    },\n    quinticOut: function (k) {\n        return --k * k * k * k * k + 1;\n    },\n    quinticInOut: function (k) {\n        if ((k *= 2) < 1) {\n            return 0.5 * k * k * k * k * k;\n        }\n        return 0.5 * ((k -= 2) * k * k * k * k + 2);\n    },\n    sinusoidalIn: function (k) {\n        return 1 - Math.cos(k * Math.PI / 2);\n    },\n    sinusoidalOut: function (k) {\n        return Math.sin(k * Math.PI / 2);\n    },\n    sinusoidalInOut: function (k) {\n        return 0.5 * (1 - Math.cos(Math.PI * k));\n    },\n    exponentialIn: function (k) {\n        return k === 0 ? 0 : Math.pow(1024, k - 1);\n    },\n    exponentialOut: function (k) {\n        return k === 1 ? 1 : 1 - Math.pow(2, -10 * k);\n    },\n    exponentialInOut: function (k) {\n        if (k === 0) {\n            return 0;\n        }\n        if (k === 1) {\n            return 1;\n        }\n        if ((k *= 2) < 1) {\n            return 0.5 * Math.pow(1024, k - 1);\n        }\n        return 0.5 * (-Math.pow(2, -10 * (k - 1)) + 2);\n    },\n    circularIn: function (k) {\n        return 1 - Math.sqrt(1 - k * k);\n    },\n    circularOut: function (k) {\n        return Math.sqrt(1 - (--k * k));\n    },\n    circularInOut: function (k) {\n        if ((k *= 2) < 1) {\n            return -0.5 * (Math.sqrt(1 - k * k) - 1);\n        }\n        return 0.5 * (Math.sqrt(1 - (k -= 2) * k) + 1);\n    },\n    elasticIn: function (k) {\n        var s;\n        var a = 0.1;\n        var p = 0.4;\n        if (k === 0) {\n            return 0;\n        }\n        if (k === 1) {\n            return 1;\n        }\n        if (!a || a < 1) {\n            a = 1;\n            s = p / 4;\n        }\n        else {\n            s = p * Math.asin(1 / a) / (2 * Math.PI);\n        }\n        return -(a * Math.pow(2, 10 * (k -= 1))\n            * Math.sin((k - s) * (2 * Math.PI) / p));\n    },\n    elasticOut: function (k) {\n        var s;\n        var a = 0.1;\n        var p = 0.4;\n        if (k === 0) {\n            return 0;\n        }\n        if (k === 1) {\n            return 1;\n        }\n        if (!a || a < 1) {\n            a = 1;\n            s = p / 4;\n        }\n        else {\n            s = p * Math.asin(1 / a) / (2 * Math.PI);\n        }\n        return (a * Math.pow(2, -10 * k)\n            * Math.sin((k - s) * (2 * Math.PI) / p) + 1);\n    },\n    elasticInOut: function (k) {\n        var s;\n        var a = 0.1;\n        var p = 0.4;\n        if (k === 0) {\n            return 0;\n        }\n        if (k === 1) {\n            return 1;\n        }\n        if (!a || a < 1) {\n            a = 1;\n            s = p / 4;\n        }\n        else {\n            s = p * Math.asin(1 / a) / (2 * Math.PI);\n        }\n        if ((k *= 2) < 1) {\n            return -0.5 * (a * Math.pow(2, 10 * (k -= 1))\n                * Math.sin((k - s) * (2 * Math.PI) / p));\n        }\n        return a * Math.pow(2, -10 * (k -= 1))\n            * Math.sin((k - s) * (2 * Math.PI) / p) * 0.5 + 1;\n    },\n    backIn: function (k) {\n        var s = 1.70158;\n        return k * k * ((s + 1) * k - s);\n    },\n    backOut: function (k) {\n        var s = 1.70158;\n        return --k * k * ((s + 1) * k + s) + 1;\n    },\n    backInOut: function (k) {\n        var s = 1.70158 * 1.525;\n        if ((k *= 2) < 1) {\n            return 0.5 * (k * k * ((s + 1) * k - s));\n        }\n        return 0.5 * ((k -= 2) * k * ((s + 1) * k + s) + 2);\n    },\n    bounceIn: function (k) {\n        return 1 - easing.bounceOut(1 - k);\n    },\n    bounceOut: function (k) {\n        if (k < (1 / 2.75)) {\n            return 7.5625 * k * k;\n        }\n        else if (k < (2 / 2.75)) {\n            return 7.5625 * (k -= (1.5 / 2.75)) * k + 0.75;\n        }\n        else if (k < (2.5 / 2.75)) {\n            return 7.5625 * (k -= (2.25 / 2.75)) * k + 0.9375;\n        }\n        else {\n            return 7.5625 * (k -= (2.625 / 2.75)) * k + 0.984375;\n        }\n    },\n    bounceInOut: function (k) {\n        if (k < 0.5) {\n            return easing.bounceIn(k * 2) * 0.5;\n        }\n        return easing.bounceOut(k * 2 - 1) * 0.5 + 0.5;\n    }\n};\nexport default easing;\n","import easingFuncs from './easing';\nvar Clip = (function () {\n    function Clip(opts) {\n        this._initialized = false;\n        this._startTime = 0;\n        this._pausedTime = 0;\n        this._paused = false;\n        this._life = opts.life || 1000;\n        this._delay = opts.delay || 0;\n        this.loop = opts.loop == null ? false : opts.loop;\n        this.gap = opts.gap || 0;\n        this.easing = opts.easing || 'linear';\n        this.onframe = opts.onframe;\n        this.ondestroy = opts.ondestroy;\n        this.onrestart = opts.onrestart;\n    }\n    Clip.prototype.step = function (globalTime, deltaTime) {\n        if (!this._initialized) {\n            this._startTime = globalTime + this._delay;\n            this._initialized = true;\n        }\n        if (this._paused) {\n            this._pausedTime += deltaTime;\n            return;\n        }\n        var percent = (globalTime - this._startTime - this._pausedTime) / this._life;\n        if (percent < 0) {\n            percent = 0;\n        }\n        percent = Math.min(percent, 1);\n        var easing = this.easing;\n        var easingFunc = typeof easing === 'string'\n            ? easingFuncs[easing] : easing;\n        var schedule = typeof easingFunc === 'function'\n            ? easingFunc(percent)\n            : percent;\n        this.onframe && this.onframe(schedule);\n        if (percent === 1) {\n            if (this.loop) {\n                this._restart(globalTime);\n                this.onrestart && this.onrestart();\n            }\n            else {\n                return true;\n            }\n        }\n        return false;\n    };\n    Clip.prototype._restart = function (globalTime) {\n        var remainder = (globalTime - this._startTime - this._pausedTime) % this._life;\n        this._startTime = globalTime - remainder + this.gap;\n        this._pausedTime = 0;\n    };\n    Clip.prototype.pause = function () {\n        this._paused = true;\n    };\n    Clip.prototype.resume = function () {\n        this._paused = false;\n    };\n    return Clip;\n}());\nexport default Clip;\n","import Clip from './Clip';\nimport * as color from '../tool/color';\nimport { isArrayLike, keys, logError } from '../core/util';\nvar arraySlice = Array.prototype.slice;\nexport function interpolateNumber(p0, p1, percent) {\n    return (p1 - p0) * percent + p0;\n}\nexport function step(p0, p1, percent) {\n    return percent > 0.5 ? p1 : p0;\n}\nexport function interpolate1DArray(out, p0, p1, percent) {\n    var len = p0.length;\n    for (var i = 0; i < len; i++) {\n        out[i] = interpolateNumber(p0[i], p1[i], percent);\n    }\n}\nexport function interpolate2DArray(out, p0, p1, percent) {\n    var len = p0.length;\n    var len2 = len && p0[0].length;\n    for (var i = 0; i < len; i++) {\n        if (!out[i]) {\n            out[i] = [];\n        }\n        for (var j = 0; j < len2; j++) {\n            out[i][j] = interpolateNumber(p0[i][j], p1[i][j], percent);\n        }\n    }\n}\nfunction add1DArray(out, p0, p1, sign) {\n    var len = p0.length;\n    for (var i = 0; i < len; i++) {\n        out[i] = p0[i] + p1[i] * sign;\n    }\n    return out;\n}\nfunction add2DArray(out, p0, p1, sign) {\n    var len = p0.length;\n    var len2 = len && p0[0].length;\n    for (var i = 0; i < len; i++) {\n        if (!out[i]) {\n            out[i] = [];\n        }\n        for (var j = 0; j < len2; j++) {\n            out[i][j] = p0[i][j] + p1[i][j] * sign;\n        }\n    }\n    return out;\n}\nfunction fillArray(val0, val1, arrDim) {\n    var arr0 = val0;\n    var arr1 = val1;\n    if (!arr0.push || !arr1.push) {\n        return;\n    }\n    var arr0Len = arr0.length;\n    var arr1Len = arr1.length;\n    if (arr0Len !== arr1Len) {\n        var isPreviousLarger = arr0Len > arr1Len;\n        if (isPreviousLarger) {\n            arr0.length = arr1Len;\n        }\n        else {\n            for (var i = arr0Len; i < arr1Len; i++) {\n                arr0.push(arrDim === 1 ? arr1[i] : arraySlice.call(arr1[i]));\n            }\n        }\n    }\n    var len2 = arr0[0] && arr0[0].length;\n    for (var i = 0; i < arr0.length; i++) {\n        if (arrDim === 1) {\n            if (isNaN(arr0[i])) {\n                arr0[i] = arr1[i];\n            }\n        }\n        else {\n            for (var j = 0; j < len2; j++) {\n                if (isNaN(arr0[i][j])) {\n                    arr0[i][j] = arr1[i][j];\n                }\n            }\n        }\n    }\n}\nfunction is1DArraySame(arr0, arr1) {\n    var len = arr0.length;\n    if (len !== arr1.length) {\n        return false;\n    }\n    for (var i = 0; i < len; i++) {\n        if (arr0[i] !== arr1[i]) {\n            return false;\n        }\n    }\n    return true;\n}\nfunction is2DArraySame(arr0, arr1) {\n    var len = arr0.length;\n    if (len !== arr1.length) {\n        return false;\n    }\n    var len2 = arr0[0].length;\n    for (var i = 0; i < len; i++) {\n        for (var j = 0; j < len2; j++) {\n            if (arr0[i][j] !== arr1[i][j]) {\n                return false;\n            }\n        }\n    }\n    return true;\n}\nfunction catmullRomInterpolate(p0, p1, p2, p3, t, t2, t3) {\n    var v0 = (p2 - p0) * 0.5;\n    var v1 = (p3 - p1) * 0.5;\n    return (2 * (p1 - p2) + v0 + v1) * t3\n        + (-3 * (p1 - p2) - 2 * v0 - v1) * t2\n        + v0 * t + p1;\n}\nfunction catmullRomInterpolate1DArray(out, p0, p1, p2, p3, t, t2, t3) {\n    var len = p0.length;\n    for (var i = 0; i < len; i++) {\n        out[i] = catmullRomInterpolate(p0[i], p1[i], p2[i], p3[i], t, t2, t3);\n    }\n}\nfunction catmullRomInterpolate2DArray(out, p0, p1, p2, p3, t, t2, t3) {\n    var len = p0.length;\n    var len2 = p0[0].length;\n    for (var i = 0; i < len; i++) {\n        if (!out[i]) {\n            out[1] = [];\n        }\n        for (var j = 0; j < len2; j++) {\n            out[i][j] = catmullRomInterpolate(p0[i][j], p1[i][j], p2[i][j], p3[i][j], t, t2, t3);\n        }\n    }\n}\nexport function cloneValue(value) {\n    if (isArrayLike(value)) {\n        var len = value.length;\n        if (isArrayLike(value[0])) {\n            var ret = [];\n            for (var i = 0; i < len; i++) {\n                ret.push(arraySlice.call(value[i]));\n            }\n            return ret;\n        }\n        return arraySlice.call(value);\n    }\n    return value;\n}\nfunction rgba2String(rgba) {\n    rgba[0] = Math.floor(rgba[0]);\n    rgba[1] = Math.floor(rgba[1]);\n    rgba[2] = Math.floor(rgba[2]);\n    return 'rgba(' + rgba.join(',') + ')';\n}\nfunction guessArrayDim(value) {\n    return isArrayLike(value && value[0]) ? 2 : 1;\n}\nvar tmpRgba = [0, 0, 0, 0];\nvar Track = (function () {\n    function Track(propName) {\n        this.keyframes = [];\n        this.maxTime = 0;\n        this.arrDim = 0;\n        this.interpolable = true;\n        this._needsSort = false;\n        this._isAllValueEqual = true;\n        this._lastFrame = 0;\n        this._lastFramePercent = 0;\n        this.propName = propName;\n    }\n    Track.prototype.isFinished = function () {\n        return this._finished;\n    };\n    Track.prototype.setFinished = function () {\n        this._finished = true;\n        if (this._additiveTrack) {\n            this._additiveTrack.setFinished();\n        }\n    };\n    Track.prototype.needsAnimate = function () {\n        return !this._isAllValueEqual && this.keyframes.length >= 2 && this.interpolable;\n    };\n    Track.prototype.getAdditiveTrack = function () {\n        return this._additiveTrack;\n    };\n    Track.prototype.addKeyframe = function (time, value) {\n        if (time >= this.maxTime) {\n            this.maxTime = time;\n        }\n        else {\n            this._needsSort = true;\n        }\n        var keyframes = this.keyframes;\n        var len = keyframes.length;\n        if (this.interpolable) {\n            if (isArrayLike(value)) {\n                var arrayDim = guessArrayDim(value);\n                if (len > 0 && this.arrDim !== arrayDim) {\n                    this.interpolable = false;\n                    return;\n                }\n                if (arrayDim === 1 && typeof value[0] !== 'number'\n                    || arrayDim === 2 && typeof value[0][0] !== 'number') {\n                    this.interpolable = false;\n                    return;\n                }\n                if (len > 0) {\n                    var lastFrame = keyframes[len - 1];\n                    if (this._isAllValueEqual) {\n                        if (arrayDim === 1) {\n                            if (!is1DArraySame(value, lastFrame.value)) {\n                                this._isAllValueEqual = false;\n                            }\n                        }\n                        else {\n                            this._isAllValueEqual = false;\n                        }\n                    }\n                }\n                this.arrDim = arrayDim;\n            }\n            else {\n                if (this.arrDim > 0) {\n                    this.interpolable = false;\n                    return;\n                }\n                if (typeof value === 'string') {\n                    var colorArray = color.parse(value);\n                    if (colorArray) {\n                        value = colorArray;\n                        this.isValueColor = true;\n                    }\n                    else {\n                        this.interpolable = false;\n                    }\n                }\n                else if (typeof value !== 'number' || isNaN(value)) {\n                    this.interpolable = false;\n                    return;\n                }\n                if (this._isAllValueEqual && len > 0) {\n                    var lastFrame = keyframes[len - 1];\n                    if (this.isValueColor && !is1DArraySame(lastFrame.value, value)) {\n                        this._isAllValueEqual = false;\n                    }\n                    else if (lastFrame.value !== value) {\n                        this._isAllValueEqual = false;\n                    }\n                }\n            }\n        }\n        var kf = {\n            time: time,\n            value: value,\n            percent: 0\n        };\n        this.keyframes.push(kf);\n        return kf;\n    };\n    Track.prototype.prepare = function (additiveTrack) {\n        var kfs = this.keyframes;\n        if (this._needsSort) {\n            kfs.sort(function (a, b) {\n                return a.time - b.time;\n            });\n        }\n        var arrDim = this.arrDim;\n        var kfsLen = kfs.length;\n        var lastKf = kfs[kfsLen - 1];\n        for (var i = 0; i < kfsLen; i++) {\n            kfs[i].percent = kfs[i].time / this.maxTime;\n            if (arrDim > 0 && i !== kfsLen - 1) {\n                fillArray(kfs[i].value, lastKf.value, arrDim);\n            }\n        }\n        if (additiveTrack\n            && this.needsAnimate()\n            && additiveTrack.needsAnimate()\n            && arrDim === additiveTrack.arrDim\n            && this.isValueColor === additiveTrack.isValueColor\n            && !additiveTrack._finished) {\n            this._additiveTrack = additiveTrack;\n            var startValue = kfs[0].value;\n            for (var i = 0; i < kfsLen; i++) {\n                if (arrDim === 0) {\n                    if (this.isValueColor) {\n                        kfs[i].additiveValue\n                            = add1DArray([], kfs[i].value, startValue, -1);\n                    }\n                    else {\n                        kfs[i].additiveValue = kfs[i].value - startValue;\n                    }\n                }\n                else if (arrDim === 1) {\n                    kfs[i].additiveValue = add1DArray([], kfs[i].value, startValue, -1);\n                }\n                else if (arrDim === 2) {\n                    kfs[i].additiveValue = add2DArray([], kfs[i].value, startValue, -1);\n                }\n            }\n        }\n    };\n    Track.prototype.step = function (target, percent) {\n        if (this._finished) {\n            return;\n        }\n        if (this._additiveTrack && this._additiveTrack._finished) {\n            this._additiveTrack = null;\n        }\n        var isAdditive = this._additiveTrack != null;\n        var valueKey = isAdditive ? 'additiveValue' : 'value';\n        var keyframes = this.keyframes;\n        var kfsNum = this.keyframes.length;\n        var propName = this.propName;\n        var arrDim = this.arrDim;\n        var isValueColor = this.isValueColor;\n        var frameIdx;\n        if (percent < 0) {\n            frameIdx = 0;\n        }\n        else if (percent < this._lastFramePercent) {\n            var start = Math.min(this._lastFrame + 1, kfsNum - 1);\n            for (frameIdx = start; frameIdx >= 0; frameIdx--) {\n                if (keyframes[frameIdx].percent <= percent) {\n                    break;\n                }\n            }\n            frameIdx = Math.min(frameIdx, kfsNum - 2);\n        }\n        else {\n            for (frameIdx = this._lastFrame; frameIdx < kfsNum; frameIdx++) {\n                if (keyframes[frameIdx].percent > percent) {\n                    break;\n                }\n            }\n            frameIdx = Math.min(frameIdx - 1, kfsNum - 2);\n        }\n        var nextFrame = keyframes[frameIdx + 1];\n        var frame = keyframes[frameIdx];\n        if (!(frame && nextFrame)) {\n            return;\n        }\n        this._lastFrame = frameIdx;\n        this._lastFramePercent = percent;\n        var range = (nextFrame.percent - frame.percent);\n        if (range === 0) {\n            return;\n        }\n        var w = (percent - frame.percent) / range;\n        var targetArr = isAdditive ? this._additiveValue\n            : (isValueColor ? tmpRgba : target[propName]);\n        if ((arrDim > 0 || isValueColor) && !targetArr) {\n            targetArr = this._additiveValue = [];\n        }\n        if (this.useSpline) {\n            var p1 = keyframes[frameIdx][valueKey];\n            var p0 = keyframes[frameIdx === 0 ? frameIdx : frameIdx - 1][valueKey];\n            var p2 = keyframes[frameIdx > kfsNum - 2 ? kfsNum - 1 : frameIdx + 1][valueKey];\n            var p3 = keyframes[frameIdx > kfsNum - 3 ? kfsNum - 1 : frameIdx + 2][valueKey];\n            if (arrDim > 0) {\n                arrDim === 1\n                    ? catmullRomInterpolate1DArray(targetArr, p0, p1, p2, p3, w, w * w, w * w * w)\n                    : catmullRomInterpolate2DArray(targetArr, p0, p1, p2, p3, w, w * w, w * w * w);\n            }\n            else if (isValueColor) {\n                catmullRomInterpolate1DArray(targetArr, p0, p1, p2, p3, w, w * w, w * w * w);\n                if (!isAdditive) {\n                    target[propName] = rgba2String(targetArr);\n                }\n            }\n            else {\n                var value = void 0;\n                if (!this.interpolable) {\n                    value = p2;\n                }\n                else {\n                    value = catmullRomInterpolate(p0, p1, p2, p3, w, w * w, w * w * w);\n                }\n                if (isAdditive) {\n                    this._additiveValue = value;\n                }\n                else {\n                    target[propName] = value;\n                }\n            }\n        }\n        else {\n            if (arrDim > 0) {\n                arrDim === 1\n                    ? interpolate1DArray(targetArr, frame[valueKey], nextFrame[valueKey], w)\n                    : interpolate2DArray(targetArr, frame[valueKey], nextFrame[valueKey], w);\n            }\n            else if (isValueColor) {\n                interpolate1DArray(targetArr, frame[valueKey], nextFrame[valueKey], w);\n                if (!isAdditive) {\n                    target[propName] = rgba2String(targetArr);\n                }\n            }\n            else {\n                var value = void 0;\n                if (!this.interpolable) {\n                    value = step(frame[valueKey], nextFrame[valueKey], w);\n                }\n                else {\n                    value = interpolateNumber(frame[valueKey], nextFrame[valueKey], w);\n                }\n                if (isAdditive) {\n                    this._additiveValue = value;\n                }\n                else {\n                    target[propName] = value;\n                }\n            }\n        }\n        if (isAdditive) {\n            this._addToTarget(target);\n        }\n    };\n    Track.prototype._addToTarget = function (target) {\n        var arrDim = this.arrDim;\n        var propName = this.propName;\n        var additiveValue = this._additiveValue;\n        if (arrDim === 0) {\n            if (this.isValueColor) {\n                color.parse(target[propName], tmpRgba);\n                add1DArray(tmpRgba, tmpRgba, additiveValue, 1);\n                target[propName] = rgba2String(tmpRgba);\n            }\n            else {\n                target[propName] = target[propName] + additiveValue;\n            }\n        }\n        else if (arrDim === 1) {\n            add1DArray(target[propName], target[propName], additiveValue, 1);\n        }\n        else if (arrDim === 2) {\n            add2DArray(target[propName], target[propName], additiveValue, 1);\n        }\n    };\n    return Track;\n}());\nvar Animator = (function () {\n    function Animator(target, loop, additiveTo) {\n        this._tracks = {};\n        this._trackKeys = [];\n        this._delay = 0;\n        this._maxTime = 0;\n        this._paused = false;\n        this._started = 0;\n        this._clip = null;\n        this._target = target;\n        this._loop = loop;\n        if (loop && additiveTo) {\n            logError('Can\\' use additive animation on looped animation.');\n            return;\n        }\n        this._additiveAnimators = additiveTo;\n    }\n    Animator.prototype.getTarget = function () {\n        return this._target;\n    };\n    Animator.prototype.changeTarget = function (target) {\n        this._target = target;\n    };\n    Animator.prototype.when = function (time, props) {\n        return this.whenWithKeys(time, props, keys(props));\n    };\n    Animator.prototype.whenWithKeys = function (time, props, propNames) {\n        var tracks = this._tracks;\n        for (var i = 0; i < propNames.length; i++) {\n            var propName = propNames[i];\n            var track = tracks[propName];\n            if (!track) {\n                track = tracks[propName] = new Track(propName);\n                var initialValue = void 0;\n                var additiveTrack = this._getAdditiveTrack(propName);\n                if (additiveTrack) {\n                    var lastFinalKf = additiveTrack.keyframes[additiveTrack.keyframes.length - 1];\n                    initialValue = lastFinalKf && lastFinalKf.value;\n                    if (additiveTrack.isValueColor && initialValue) {\n                        initialValue = rgba2String(initialValue);\n                    }\n                }\n                else {\n                    initialValue = this._target[propName];\n                }\n                if (initialValue == null) {\n                    continue;\n                }\n                if (time !== 0) {\n                    track.addKeyframe(0, cloneValue(initialValue));\n                }\n                this._trackKeys.push(propName);\n            }\n            track.addKeyframe(time, cloneValue(props[propName]));\n        }\n        this._maxTime = Math.max(this._maxTime, time);\n        return this;\n    };\n    Animator.prototype.pause = function () {\n        this._clip.pause();\n        this._paused = true;\n    };\n    Animator.prototype.resume = function () {\n        this._clip.resume();\n        this._paused = false;\n    };\n    Animator.prototype.isPaused = function () {\n        return !!this._paused;\n    };\n    Animator.prototype._doneCallback = function () {\n        this._setTracksFinished();\n        this._clip = null;\n        var doneList = this._doneList;\n        if (doneList) {\n            var len = doneList.length;\n            for (var i = 0; i < len; i++) {\n                doneList[i].call(this);\n            }\n        }\n    };\n    Animator.prototype._abortedCallback = function () {\n        this._setTracksFinished();\n        var animation = this.animation;\n        var abortedList = this._abortedList;\n        if (animation) {\n            animation.removeClip(this._clip);\n        }\n        this._clip = null;\n        if (abortedList) {\n            for (var i = 0; i < abortedList.length; i++) {\n                abortedList[i].call(this);\n            }\n        }\n    };\n    Animator.prototype._setTracksFinished = function () {\n        var tracks = this._tracks;\n        var tracksKeys = this._trackKeys;\n        for (var i = 0; i < tracksKeys.length; i++) {\n            tracks[tracksKeys[i]].setFinished();\n        }\n    };\n    Animator.prototype._getAdditiveTrack = function (trackName) {\n        var additiveTrack;\n        var additiveAnimators = this._additiveAnimators;\n        if (additiveAnimators) {\n            for (var i = 0; i < additiveAnimators.length; i++) {\n                var track = additiveAnimators[i].getTrack(trackName);\n                if (track) {\n                    additiveTrack = track;\n                }\n            }\n        }\n        return additiveTrack;\n    };\n    Animator.prototype.start = function (easing, forceAnimate) {\n        if (this._started > 0) {\n            return;\n        }\n        this._started = 1;\n        var self = this;\n        var tracks = [];\n        for (var i = 0; i < this._trackKeys.length; i++) {\n            var propName = this._trackKeys[i];\n            var track = this._tracks[propName];\n            var additiveTrack = this._getAdditiveTrack(propName);\n            var kfs = track.keyframes;\n            track.prepare(additiveTrack);\n            if (track.needsAnimate()) {\n                tracks.push(track);\n            }\n            else if (!track.interpolable) {\n                var lastKf = kfs[kfs.length - 1];\n                if (lastKf) {\n                    self._target[track.propName] = lastKf.value;\n                }\n            }\n        }\n        if (tracks.length || forceAnimate) {\n            var clip = new Clip({\n                life: this._maxTime,\n                loop: this._loop,\n                delay: this._delay,\n                onframe: function (percent) {\n                    self._started = 2;\n                    var additiveAnimators = self._additiveAnimators;\n                    if (additiveAnimators) {\n                        var stillHasAdditiveAnimator = false;\n                        for (var i = 0; i < additiveAnimators.length; i++) {\n                            if (additiveAnimators[i]._clip) {\n                                stillHasAdditiveAnimator = true;\n                                break;\n                            }\n                        }\n                        if (!stillHasAdditiveAnimator) {\n                            self._additiveAnimators = null;\n                        }\n                    }\n                    for (var i = 0; i < tracks.length; i++) {\n                        tracks[i].step(self._target, percent);\n                    }\n                    var onframeList = self._onframeList;\n                    if (onframeList) {\n                        for (var i = 0; i < onframeList.length; i++) {\n                            onframeList[i](self._target, percent);\n                        }\n                    }\n                },\n                ondestroy: function () {\n                    self._doneCallback();\n                }\n            });\n            this._clip = clip;\n            if (this.animation) {\n                this.animation.addClip(clip);\n            }\n            if (easing && easing !== 'spline') {\n                clip.easing = easing;\n            }\n        }\n        else {\n            this._doneCallback();\n        }\n        return this;\n    };\n    Animator.prototype.stop = function (forwardToLast) {\n        if (!this._clip) {\n            return;\n        }\n        var clip = this._clip;\n        if (forwardToLast) {\n            clip.onframe(1);\n        }\n        this._abortedCallback();\n    };\n    Animator.prototype.delay = function (time) {\n        this._delay = time;\n        return this;\n    };\n    Animator.prototype.during = function (cb) {\n        if (cb) {\n            if (!this._onframeList) {\n                this._onframeList = [];\n            }\n            this._onframeList.push(cb);\n        }\n        return this;\n    };\n    Animator.prototype.done = function (cb) {\n        if (cb) {\n            if (!this._doneList) {\n                this._doneList = [];\n            }\n            this._doneList.push(cb);\n        }\n        return this;\n    };\n    Animator.prototype.aborted = function (cb) {\n        if (cb) {\n            if (!this._abortedList) {\n                this._abortedList = [];\n            }\n            this._abortedList.push(cb);\n        }\n        return this;\n    };\n    Animator.prototype.getClip = function () {\n        return this._clip;\n    };\n    Animator.prototype.getTrack = function (propName) {\n        return this._tracks[propName];\n    };\n    Animator.prototype.stopTracks = function (propNames, forwardToLast) {\n        if (!propNames.length || !this._clip) {\n            return true;\n        }\n        var tracks = this._tracks;\n        var tracksKeys = this._trackKeys;\n        for (var i = 0; i < propNames.length; i++) {\n            var track = tracks[propNames[i]];\n            if (track) {\n                if (forwardToLast) {\n                    track.step(this._target, 1);\n                }\n                else if (this._started === 1) {\n                    track.step(this._target, 0);\n                }\n                track.setFinished();\n            }\n        }\n        var allAborted = true;\n        for (var i = 0; i < tracksKeys.length; i++) {\n            if (!tracks[tracksKeys[i]].isFinished()) {\n                allAborted = false;\n                break;\n            }\n        }\n        if (allAborted) {\n            this._abortedCallback();\n        }\n        return allAborted;\n    };\n    Animator.prototype.saveFinalToTarget = function (target, trackKeys) {\n        if (!target) {\n            return;\n        }\n        trackKeys = trackKeys || this._trackKeys;\n        for (var i = 0; i < trackKeys.length; i++) {\n            var propName = trackKeys[i];\n            var track = this._tracks[propName];\n            if (!track || track.isFinished()) {\n                continue;\n            }\n            var kfs = track.keyframes;\n            var lastKf = kfs[kfs.length - 1];\n            if (lastKf) {\n                var val = cloneValue(lastKf.value);\n                if (track.isValueColor) {\n                    val = rgba2String(val);\n                }\n                target[propName] = val;\n            }\n        }\n    };\n    Animator.prototype.__changeFinalValue = function (finalProps, trackKeys) {\n        trackKeys = trackKeys || keys(finalProps);\n        for (var i = 0; i < trackKeys.length; i++) {\n            var propName = trackKeys[i];\n            var track = this._tracks[propName];\n            if (!track) {\n                continue;\n            }\n            var kfs = track.keyframes;\n            if (kfs.length > 1) {\n                var lastKf = kfs.pop();\n                track.addKeyframe(lastKf.time, finalProps[propName]);\n                track.prepare(track.getAdditiveTrack());\n            }\n        }\n    };\n    return Animator;\n}());\nexport default Animator;\n","import { InjectionToken, inject, EventEmitter, Injectable, Optional, Inject, ɵɵdefineInjectable, ɵɵinject, Directive, Output, Input, NgModule } from '@angular/core';\nimport { DOCUMENT } from '@angular/common';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Injection token used to inject the document into Directionality.\n * This is used so that the value can be faked in tests.\n *\n * We can't use the real document in tests because changing the real `dir` causes geometry-based\n * tests in Safari to fail.\n *\n * We also can't re-provide the DOCUMENT token from platform-brower because the unit tests\n * themselves use things like `querySelector` in test code.\n *\n * This token is defined in a separate file from Directionality as a workaround for\n * https://github.com/angular/angular/issues/22559\n *\n * @docs-private\n */\nvar DIR_DOCUMENT = new InjectionToken('cdk-dir-doc', {\n    providedIn: 'root',\n    factory: DIR_DOCUMENT_FACTORY,\n});\n/** @docs-private */\nfunction DIR_DOCUMENT_FACTORY() {\n    return inject(DOCUMENT);\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * The directionality (LTR / RTL) context for the application (or a subtree of it).\n * Exposes the current direction and a stream of direction changes.\n */\nvar Directionality = /** @class */ (function () {\n    function Directionality(_document) {\n        /** The current 'ltr' or 'rtl' value. */\n        this.value = 'ltr';\n        /** Stream that emits whenever the 'ltr' / 'rtl' state changes. */\n        this.change = new EventEmitter();\n        if (_document) {\n            // TODO: handle 'auto' value -\n            // We still need to account for dir=\"auto\".\n            // It looks like HTMLElemenet.dir is also \"auto\" when that's set to the attribute,\n            // but getComputedStyle return either \"ltr\" or \"rtl\". avoiding getComputedStyle for now\n            var bodyDir = _document.body ? _document.body.dir : null;\n            var htmlDir = _document.documentElement ? _document.documentElement.dir : null;\n            var value = bodyDir || htmlDir;\n            this.value = (value === 'ltr' || value === 'rtl') ? value : 'ltr';\n        }\n    }\n    Directionality.prototype.ngOnDestroy = function () {\n        this.change.complete();\n    };\n    Directionality.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    Directionality.ctorParameters = function () { return [\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DIR_DOCUMENT,] }] }\n    ]; };\n    Directionality.ɵprov = ɵɵdefineInjectable({ factory: function Directionality_Factory() { return new Directionality(ɵɵinject(DIR_DOCUMENT, 8)); }, token: Directionality, providedIn: \"root\" });\n    return Directionality;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Directive to listen for changes of direction of part of the DOM.\n *\n * Provides itself as Directionality such that descendant directives only need to ever inject\n * Directionality to get the closest direction.\n */\nvar Dir = /** @class */ (function () {\n    function Dir() {\n        /** Normalized direction that accounts for invalid/unsupported values. */\n        this._dir = 'ltr';\n        /** Whether the `value` has been set to its initial value. */\n        this._isInitialized = false;\n        /** Event emitted when the direction changes. */\n        this.change = new EventEmitter();\n    }\n    Object.defineProperty(Dir.prototype, \"dir\", {\n        /** @docs-private */\n        get: function () { return this._dir; },\n        set: function (value) {\n            var old = this._dir;\n            var normalizedValue = value ? value.toLowerCase() : value;\n            this._rawDir = value;\n            this._dir = (normalizedValue === 'ltr' || normalizedValue === 'rtl') ? normalizedValue : 'ltr';\n            if (old !== this._dir && this._isInitialized) {\n                this.change.emit(this._dir);\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(Dir.prototype, \"value\", {\n        /** Current layout direction of the element. */\n        get: function () { return this.dir; },\n        enumerable: true,\n        configurable: true\n    });\n    /** Initialize once default value has been set. */\n    Dir.prototype.ngAfterContentInit = function () {\n        this._isInitialized = true;\n    };\n    Dir.prototype.ngOnDestroy = function () {\n        this.change.complete();\n    };\n    Dir.decorators = [\n        { type: Directive, args: [{\n                    selector: '[dir]',\n                    providers: [{ provide: Directionality, useExisting: Dir }],\n                    host: { '[attr.dir]': '_rawDir' },\n                    exportAs: 'dir',\n                },] }\n    ];\n    Dir.propDecorators = {\n        change: [{ type: Output, args: ['dirChange',] }],\n        dir: [{ type: Input }]\n    };\n    return Dir;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar BidiModule = /** @class */ (function () {\n    function BidiModule() {\n    }\n    BidiModule.decorators = [\n        { type: NgModule, args: [{\n                    exports: [Dir],\n                    declarations: [Dir],\n                },] }\n    ];\n    return BidiModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { BidiModule, DIR_DOCUMENT, Dir, Directionality, DIR_DOCUMENT_FACTORY as ɵangular_material_src_cdk_bidi_bidi_a };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport function getItemVisualFromData(data, dataIndex, key) {\n  switch (key) {\n    case 'color':\n      var style = data.getItemVisual(dataIndex, 'style');\n      return style[data.getVisual('drawType')];\n\n    case 'opacity':\n      return data.getItemVisual(dataIndex, 'style').opacity;\n\n    case 'symbol':\n    case 'symbolSize':\n    case 'liftZ':\n      return data.getItemVisual(dataIndex, key);\n\n    default:\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn(\"Unknown visual type \" + key);\n      }\n\n  }\n}\nexport function getVisualFromData(data, key) {\n  switch (key) {\n    case 'color':\n      var style = data.getVisual('style');\n      return style[data.getVisual('drawType')];\n\n    case 'opacity':\n      return data.getVisual('style').opacity;\n\n    case 'symbol':\n    case 'symbolSize':\n    case 'liftZ':\n      return data.getVisual(key);\n\n    default:\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn(\"Unknown visual type \" + key);\n      }\n\n  }\n}\nexport function setItemVisualFromData(data, dataIndex, key, value) {\n  switch (key) {\n    case 'color':\n      // Make sure not sharing style object.\n      var style = data.ensureUniqueItemVisual(dataIndex, 'style');\n      style[data.getVisual('drawType')] = value; // Mark the color has been changed, not from palette anymore\n\n      data.setItemVisual(dataIndex, 'colorFromPalette', false);\n      break;\n\n    case 'opacity':\n      data.ensureUniqueItemVisual(dataIndex, 'style').opacity = value;\n      break;\n\n    case 'symbol':\n    case 'symbolSize':\n    case 'liftZ':\n      data.setItemVisual(dataIndex, key, value);\n      break;\n\n    default:\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn(\"Unknown visual type \" + key);\n      }\n\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { makeInner, getDataItemValue, queryReferringComponents, SINGLE_REFERRING } from '../../util/model';\nimport { createHashMap, each, isArray, isString, isObject, isTypedArray } from 'zrender/lib/core/util';\nimport { SOURCE_FORMAT_ORIGINAL, SOURCE_FORMAT_ARRAY_ROWS, SOURCE_FORMAT_OBJECT_ROWS, SERIES_LAYOUT_BY_ROW, SOURCE_FORMAT_KEYED_COLUMNS } from '../../util/types'; // The result of `guessOrdinal`.\n\nexport var BE_ORDINAL = {\n  Must: 1,\n  Might: 2,\n  Not: 3 // Other cases\n\n};\nvar innerGlobalModel = makeInner();\n/**\n * MUST be called before mergeOption of all series.\n */\n\nexport function resetSourceDefaulter(ecModel) {\n  // `datasetMap` is used to make default encode.\n  innerGlobalModel(ecModel).datasetMap = createHashMap();\n}\n/**\n * [The strategy of the arrengment of data dimensions for dataset]:\n * \"value way\": all axes are non-category axes. So series one by one take\n *     several (the number is coordSysDims.length) dimensions from dataset.\n *     The result of data arrengment of data dimensions like:\n *     | ser0_x | ser0_y | ser1_x | ser1_y | ser2_x | ser2_y |\n * \"category way\": at least one axis is category axis. So the the first data\n *     dimension is always mapped to the first category axis and shared by\n *     all of the series. The other data dimensions are taken by series like\n *     \"value way\" does.\n *     The result of data arrengment of data dimensions like:\n *     | ser_shared_x | ser0_y | ser1_y | ser2_y |\n *\n * @return encode Never be `null/undefined`.\n */\n\nexport function makeSeriesEncodeForAxisCoordSys(coordDimensions, seriesModel, source) {\n  var encode = {};\n  var datasetModel = querySeriesUpstreamDatasetModel(seriesModel); // Currently only make default when using dataset, util more reqirements occur.\n\n  if (!datasetModel || !coordDimensions) {\n    return encode;\n  }\n\n  var encodeItemName = [];\n  var encodeSeriesName = [];\n  var ecModel = seriesModel.ecModel;\n  var datasetMap = innerGlobalModel(ecModel).datasetMap;\n  var key = datasetModel.uid + '_' + source.seriesLayoutBy;\n  var baseCategoryDimIndex;\n  var categoryWayValueDimStart;\n  coordDimensions = coordDimensions.slice();\n  each(coordDimensions, function (coordDimInfoLoose, coordDimIdx) {\n    var coordDimInfo = isObject(coordDimInfoLoose) ? coordDimInfoLoose : coordDimensions[coordDimIdx] = {\n      name: coordDimInfoLoose\n    };\n\n    if (coordDimInfo.type === 'ordinal' && baseCategoryDimIndex == null) {\n      baseCategoryDimIndex = coordDimIdx;\n      categoryWayValueDimStart = getDataDimCountOnCoordDim(coordDimInfo);\n    }\n\n    encode[coordDimInfo.name] = [];\n  });\n  var datasetRecord = datasetMap.get(key) || datasetMap.set(key, {\n    categoryWayDim: categoryWayValueDimStart,\n    valueWayDim: 0\n  }); // TODO\n  // Auto detect first time axis and do arrangement.\n\n  each(coordDimensions, function (coordDimInfo, coordDimIdx) {\n    var coordDimName = coordDimInfo.name;\n    var count = getDataDimCountOnCoordDim(coordDimInfo); // In value way.\n\n    if (baseCategoryDimIndex == null) {\n      var start = datasetRecord.valueWayDim;\n      pushDim(encode[coordDimName], start, count);\n      pushDim(encodeSeriesName, start, count);\n      datasetRecord.valueWayDim += count; // ??? TODO give a better default series name rule?\n      // especially when encode x y specified.\n      // consider: when mutiple series share one dimension\n      // category axis, series name should better use\n      // the other dimsion name. On the other hand, use\n      // both dimensions name.\n    } // In category way, the first category axis.\n    else if (baseCategoryDimIndex === coordDimIdx) {\n        pushDim(encode[coordDimName], 0, count);\n        pushDim(encodeItemName, 0, count);\n      } // In category way, the other axis.\n      else {\n          var start = datasetRecord.categoryWayDim;\n          pushDim(encode[coordDimName], start, count);\n          pushDim(encodeSeriesName, start, count);\n          datasetRecord.categoryWayDim += count;\n        }\n  });\n\n  function pushDim(dimIdxArr, idxFrom, idxCount) {\n    for (var i = 0; i < idxCount; i++) {\n      dimIdxArr.push(idxFrom + i);\n    }\n  }\n\n  function getDataDimCountOnCoordDim(coordDimInfo) {\n    var dimsDef = coordDimInfo.dimsDef;\n    return dimsDef ? dimsDef.length : 1;\n  }\n\n  encodeItemName.length && (encode.itemName = encodeItemName);\n  encodeSeriesName.length && (encode.seriesName = encodeSeriesName);\n  return encode;\n}\n/**\n * Work for data like [{name: ..., value: ...}, ...].\n *\n * @return encode Never be `null/undefined`.\n */\n\nexport function makeSeriesEncodeForNameBased(seriesModel, source, dimCount) {\n  var encode = {};\n  var datasetModel = querySeriesUpstreamDatasetModel(seriesModel); // Currently only make default when using dataset, util more reqirements occur.\n\n  if (!datasetModel) {\n    return encode;\n  }\n\n  var sourceFormat = source.sourceFormat;\n  var dimensionsDefine = source.dimensionsDefine;\n  var potentialNameDimIndex;\n\n  if (sourceFormat === SOURCE_FORMAT_OBJECT_ROWS || sourceFormat === SOURCE_FORMAT_KEYED_COLUMNS) {\n    each(dimensionsDefine, function (dim, idx) {\n      if ((isObject(dim) ? dim.name : dim) === 'name') {\n        potentialNameDimIndex = idx;\n      }\n    });\n  }\n\n  var idxResult = function () {\n    var idxRes0 = {};\n    var idxRes1 = {};\n    var guessRecords = []; // 5 is an experience value.\n\n    for (var i = 0, len = Math.min(5, dimCount); i < len; i++) {\n      var guessResult = doGuessOrdinal(source.data, sourceFormat, source.seriesLayoutBy, dimensionsDefine, source.startIndex, i);\n      guessRecords.push(guessResult);\n      var isPureNumber = guessResult === BE_ORDINAL.Not; // [Strategy of idxRes0]: find the first BE_ORDINAL.Not as the value dim,\n      // and then find a name dim with the priority:\n      // \"BE_ORDINAL.Might|BE_ORDINAL.Must\" > \"other dim\" > \"the value dim itself\".\n\n      if (isPureNumber && idxRes0.v == null && i !== potentialNameDimIndex) {\n        idxRes0.v = i;\n      }\n\n      if (idxRes0.n == null || idxRes0.n === idxRes0.v || !isPureNumber && guessRecords[idxRes0.n] === BE_ORDINAL.Not) {\n        idxRes0.n = i;\n      }\n\n      if (fulfilled(idxRes0) && guessRecords[idxRes0.n] !== BE_ORDINAL.Not) {\n        return idxRes0;\n      } // [Strategy of idxRes1]: if idxRes0 not satisfied (that is, no BE_ORDINAL.Not),\n      // find the first BE_ORDINAL.Might as the value dim,\n      // and then find a name dim with the priority:\n      // \"other dim\" > \"the value dim itself\".\n      // That is for backward compat: number-like (e.g., `'3'`, `'55'`) can be\n      // treated as number.\n\n\n      if (!isPureNumber) {\n        if (guessResult === BE_ORDINAL.Might && idxRes1.v == null && i !== potentialNameDimIndex) {\n          idxRes1.v = i;\n        }\n\n        if (idxRes1.n == null || idxRes1.n === idxRes1.v) {\n          idxRes1.n = i;\n        }\n      }\n    }\n\n    function fulfilled(idxResult) {\n      return idxResult.v != null && idxResult.n != null;\n    }\n\n    return fulfilled(idxRes0) ? idxRes0 : fulfilled(idxRes1) ? idxRes1 : null;\n  }();\n\n  if (idxResult) {\n    encode.value = [idxResult.v]; // `potentialNameDimIndex` has highest priority.\n\n    var nameDimIndex = potentialNameDimIndex != null ? potentialNameDimIndex : idxResult.n; // By default, label use itemName in charts.\n    // So we dont set encodeLabel here.\n\n    encode.itemName = [nameDimIndex];\n    encode.seriesName = [nameDimIndex];\n  }\n\n  return encode;\n}\n/**\n * @return If return null/undefined, indicate that should not use datasetModel.\n */\n\nexport function querySeriesUpstreamDatasetModel(seriesModel) {\n  // Caution: consider the scenario:\n  // A dataset is declared and a series is not expected to use the dataset,\n  // and at the beginning `setOption({series: { noData })` (just prepare other\n  // option but no data), then `setOption({series: {data: [...]}); In this case,\n  // the user should set an empty array to avoid that dataset is used by default.\n  var thisData = seriesModel.get('data', true);\n\n  if (!thisData) {\n    return queryReferringComponents(seriesModel.ecModel, 'dataset', {\n      index: seriesModel.get('datasetIndex', true),\n      id: seriesModel.get('datasetId', true)\n    }, SINGLE_REFERRING).models[0];\n  }\n}\n/**\n * @return Always return an array event empty.\n */\n\nexport function queryDatasetUpstreamDatasetModels(datasetModel) {\n  // Only these attributes declared, we by defualt reference to `datasetIndex: 0`.\n  // Otherwise, no reference.\n  if (!datasetModel.get('transform', true) && !datasetModel.get('fromTransformResult', true)) {\n    return [];\n  }\n\n  return queryReferringComponents(datasetModel.ecModel, 'dataset', {\n    index: datasetModel.get('fromDatasetIndex', true),\n    id: datasetModel.get('fromDatasetId', true)\n  }, SINGLE_REFERRING).models;\n}\n/**\n * The rule should not be complex, otherwise user might not\n * be able to known where the data is wrong.\n * The code is ugly, but how to make it neat?\n */\n\nexport function guessOrdinal(source, dimIndex) {\n  return doGuessOrdinal(source.data, source.sourceFormat, source.seriesLayoutBy, source.dimensionsDefine, source.startIndex, dimIndex);\n} // dimIndex may be overflow source data.\n// return {BE_ORDINAL}\n\nfunction doGuessOrdinal(data, sourceFormat, seriesLayoutBy, dimensionsDefine, startIndex, dimIndex) {\n  var result; // Experience value.\n\n  var maxLoop = 5;\n\n  if (isTypedArray(data)) {\n    return BE_ORDINAL.Not;\n  } // When sourceType is 'objectRows' or 'keyedColumns', dimensionsDefine\n  // always exists in source.\n\n\n  var dimName;\n  var dimType;\n\n  if (dimensionsDefine) {\n    var dimDefItem = dimensionsDefine[dimIndex];\n\n    if (isObject(dimDefItem)) {\n      dimName = dimDefItem.name;\n      dimType = dimDefItem.type;\n    } else if (isString(dimDefItem)) {\n      dimName = dimDefItem;\n    }\n  }\n\n  if (dimType != null) {\n    return dimType === 'ordinal' ? BE_ORDINAL.Must : BE_ORDINAL.Not;\n  }\n\n  if (sourceFormat === SOURCE_FORMAT_ARRAY_ROWS) {\n    var dataArrayRows = data;\n\n    if (seriesLayoutBy === SERIES_LAYOUT_BY_ROW) {\n      var sample = dataArrayRows[dimIndex];\n\n      for (var i = 0; i < (sample || []).length && i < maxLoop; i++) {\n        if ((result = detectValue(sample[startIndex + i])) != null) {\n          return result;\n        }\n      }\n    } else {\n      for (var i = 0; i < dataArrayRows.length && i < maxLoop; i++) {\n        var row = dataArrayRows[startIndex + i];\n\n        if (row && (result = detectValue(row[dimIndex])) != null) {\n          return result;\n        }\n      }\n    }\n  } else if (sourceFormat === SOURCE_FORMAT_OBJECT_ROWS) {\n    var dataObjectRows = data;\n\n    if (!dimName) {\n      return BE_ORDINAL.Not;\n    }\n\n    for (var i = 0; i < dataObjectRows.length && i < maxLoop; i++) {\n      var item = dataObjectRows[i];\n\n      if (item && (result = detectValue(item[dimName])) != null) {\n        return result;\n      }\n    }\n  } else if (sourceFormat === SOURCE_FORMAT_KEYED_COLUMNS) {\n    var dataKeyedColumns = data;\n\n    if (!dimName) {\n      return BE_ORDINAL.Not;\n    }\n\n    var sample = dataKeyedColumns[dimName];\n\n    if (!sample || isTypedArray(sample)) {\n      return BE_ORDINAL.Not;\n    }\n\n    for (var i = 0; i < sample.length && i < maxLoop; i++) {\n      if ((result = detectValue(sample[i])) != null) {\n        return result;\n      }\n    }\n  } else if (sourceFormat === SOURCE_FORMAT_ORIGINAL) {\n    var dataOriginal = data;\n\n    for (var i = 0; i < dataOriginal.length && i < maxLoop; i++) {\n      var item = dataOriginal[i];\n      var val = getDataItemValue(item);\n\n      if (!isArray(val)) {\n        return BE_ORDINAL.Not;\n      }\n\n      if ((result = detectValue(val[dimIndex])) != null) {\n        return result;\n      }\n    }\n  }\n\n  function detectValue(val) {\n    var beStr = isString(val); // Consider usage convenience, '1', '2' will be treated as \"number\".\n    // `isFinit('')` get `true`.\n\n    if (val != null && isFinite(val) && val !== '') {\n      return beStr ? BE_ORDINAL.Might : BE_ORDINAL.Not;\n    } else if (beStr && val !== '-') {\n      return BE_ORDINAL.Must;\n    }\n  }\n\n  return BE_ORDINAL.Not;\n}","import { __extends } from \"tslib\";\nimport Displayable, { DEFAULT_COMMON_STYLE, DEFAULT_COMMON_ANIMATION_PROPS } from './Displayable';\nimport BoundingRect from '../core/BoundingRect';\nimport { defaults, createObject } from '../core/util';\nexport var DEFAULT_IMAGE_STYLE = defaults({\n    x: 0,\n    y: 0\n}, DEFAULT_COMMON_STYLE);\nexport var DEFAULT_IMAGE_ANIMATION_PROPS = {\n    style: defaults({\n        x: true,\n        y: true,\n        width: true,\n        height: true,\n        sx: true,\n        sy: true,\n        sWidth: true,\n        sHeight: true\n    }, DEFAULT_COMMON_ANIMATION_PROPS.style)\n};\nfunction isImageLike(source) {\n    return !!(source\n        && typeof source !== 'string'\n        && source.width && source.height);\n}\nvar ZRImage = (function (_super) {\n    __extends(ZRImage, _super);\n    function ZRImage() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    ZRImage.prototype.createStyle = function (obj) {\n        return createObject(DEFAULT_IMAGE_STYLE, obj);\n    };\n    ZRImage.prototype._getSize = function (dim) {\n        var style = this.style;\n        var size = style[dim];\n        if (size != null) {\n            return size;\n        }\n        var imageSource = isImageLike(style.image)\n            ? style.image : this.__image;\n        if (!imageSource) {\n            return 0;\n        }\n        var otherDim = dim === 'width' ? 'height' : 'width';\n        var otherDimSize = style[otherDim];\n        if (otherDimSize == null) {\n            return imageSource[dim];\n        }\n        else {\n            return imageSource[dim] / imageSource[otherDim] * otherDimSize;\n        }\n    };\n    ZRImage.prototype.getWidth = function () {\n        return this._getSize('width');\n    };\n    ZRImage.prototype.getHeight = function () {\n        return this._getSize('height');\n    };\n    ZRImage.prototype.getAnimationStyleProps = function () {\n        return DEFAULT_IMAGE_ANIMATION_PROPS;\n    };\n    ZRImage.prototype.getBoundingRect = function () {\n        var style = this.style;\n        if (!this._rect) {\n            this._rect = new BoundingRect(style.x || 0, style.y || 0, this.getWidth(), this.getHeight());\n        }\n        return this._rect;\n    };\n    return ZRImage;\n}(Displayable));\nZRImage.prototype.type = 'image';\nexport default ZRImage;\n","import { __extends } from 'tslib';\nimport { FocusMonitor } from '@angular/cdk/a11y';\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { InjectionToken, forwardRef, EventEmitter, Component, ViewEncapsulation, ChangeDetectionStrategy, ElementRef, ChangeDetectorRef, NgZone, Attribute, Optional, Inject, Input, Output, ViewChild, Directive, NgModule } from '@angular/core';\nimport { NG_VALUE_ACCESSOR, NG_VALIDATORS, CheckboxRequiredValidator } from '@angular/forms';\nimport { mixinTabIndex, mixinColor, mixinDisableRipple, mixinDisabled, MatRipple, MatRippleModule, MatCommonModule } from '@angular/material/core';\nimport { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';\nimport { ObserversModule } from '@angular/cdk/observers';\nimport { CommonModule } from '@angular/common';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Injection token to be used to override the default options for `mat-checkbox`. */\nvar MAT_CHECKBOX_DEFAULT_OPTIONS = new InjectionToken('mat-checkbox-default-options', {\n    providedIn: 'root',\n    factory: MAT_CHECKBOX_DEFAULT_OPTIONS_FACTORY\n});\n/** @docs-private */\nfunction MAT_CHECKBOX_DEFAULT_OPTIONS_FACTORY() {\n    return {\n        color: 'accent',\n        clickAction: 'check-indeterminate',\n    };\n}\n/**\n * Injection token that can be used to specify the checkbox click behavior.\n * @deprecated Injection token will be removed, use `MAT_CHECKBOX_DEFAULT_OPTIONS` instead.\n * @breaking-change 10.0.0\n */\nvar MAT_CHECKBOX_CLICK_ACTION = new InjectionToken('mat-checkbox-click-action');\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Increasing integer for generating unique ids for checkbox components.\nvar nextUniqueId = 0;\n/**\n * Provider Expression that allows mat-checkbox to register as a ControlValueAccessor.\n * This allows it to support [(ngModel)].\n * @docs-private\n */\nvar MAT_CHECKBOX_CONTROL_VALUE_ACCESSOR = {\n    provide: NG_VALUE_ACCESSOR,\n    useExisting: forwardRef(function () { return MatCheckbox; }),\n    multi: true\n};\n/**\n * Represents the different states that require custom transitions between them.\n * @docs-private\n */\nvar TransitionCheckState;\n(function (TransitionCheckState) {\n    /** The initial state of the component before any user interaction. */\n    TransitionCheckState[TransitionCheckState[\"Init\"] = 0] = \"Init\";\n    /** The state representing the component when it's becoming checked. */\n    TransitionCheckState[TransitionCheckState[\"Checked\"] = 1] = \"Checked\";\n    /** The state representing the component when it's becoming unchecked. */\n    TransitionCheckState[TransitionCheckState[\"Unchecked\"] = 2] = \"Unchecked\";\n    /** The state representing the component when it's becoming indeterminate. */\n    TransitionCheckState[TransitionCheckState[\"Indeterminate\"] = 3] = \"Indeterminate\";\n})(TransitionCheckState || (TransitionCheckState = {}));\n/** Change event object emitted by MatCheckbox. */\nvar MatCheckboxChange = /** @class */ (function () {\n    function MatCheckboxChange() {\n    }\n    return MatCheckboxChange;\n}());\n// Boilerplate for applying mixins to MatCheckbox.\n/** @docs-private */\nvar MatCheckboxBase = /** @class */ (function () {\n    function MatCheckboxBase(_elementRef) {\n        this._elementRef = _elementRef;\n    }\n    return MatCheckboxBase;\n}());\nvar _MatCheckboxMixinBase = mixinTabIndex(mixinColor(mixinDisableRipple(mixinDisabled(MatCheckboxBase))));\n/**\n * A material design checkbox component. Supports all of the functionality of an HTML5 checkbox,\n * and exposes a similar API. A MatCheckbox can be either checked, unchecked, indeterminate, or\n * disabled. Note that all additional accessibility attributes are taken care of by the component,\n * so there is no need to provide them yourself. However, if you want to omit a label and still\n * have the checkbox be accessible, you may supply an [aria-label] input.\n * See: https://material.io/design/components/selection-controls.html\n */\nvar MatCheckbox = /** @class */ (function (_super) {\n    __extends(MatCheckbox, _super);\n    function MatCheckbox(elementRef, _changeDetectorRef, _focusMonitor, _ngZone, tabIndex, \n    /**\n     * @deprecated `_clickAction` parameter to be removed, use\n     * `MAT_CHECKBOX_DEFAULT_OPTIONS`\n     * @breaking-change 10.0.0\n     */\n    _clickAction, _animationMode, _options) {\n        var _this = _super.call(this, elementRef) || this;\n        _this._changeDetectorRef = _changeDetectorRef;\n        _this._focusMonitor = _focusMonitor;\n        _this._ngZone = _ngZone;\n        _this._clickAction = _clickAction;\n        _this._animationMode = _animationMode;\n        _this._options = _options;\n        /**\n         * Attached to the aria-label attribute of the host element. In most cases, aria-labelledby will\n         * take precedence so this may be omitted.\n         */\n        _this.ariaLabel = '';\n        /**\n         * Users can specify the `aria-labelledby` attribute which will be forwarded to the input element\n         */\n        _this.ariaLabelledby = null;\n        _this._uniqueId = \"mat-checkbox-\" + ++nextUniqueId;\n        /** A unique id for the checkbox input. If none is supplied, it will be auto-generated. */\n        _this.id = _this._uniqueId;\n        /** Whether the label should appear after or before the checkbox. Defaults to 'after' */\n        _this.labelPosition = 'after';\n        /** Name value will be applied to the input element if present */\n        _this.name = null;\n        /** Event emitted when the checkbox's `checked` value changes. */\n        _this.change = new EventEmitter();\n        /** Event emitted when the checkbox's `indeterminate` value changes. */\n        _this.indeterminateChange = new EventEmitter();\n        /**\n         * Called when the checkbox is blurred. Needed to properly implement ControlValueAccessor.\n         * @docs-private\n         */\n        _this._onTouched = function () { };\n        _this._currentAnimationClass = '';\n        _this._currentCheckState = TransitionCheckState.Init;\n        _this._controlValueAccessorChangeFn = function () { };\n        _this._checked = false;\n        _this._disabled = false;\n        _this._indeterminate = false;\n        _this._options = _this._options || {};\n        if (_this._options.color) {\n            _this.color = _this._options.color;\n        }\n        _this.tabIndex = parseInt(tabIndex) || 0;\n        _this._focusMonitor.monitor(elementRef, true).subscribe(function (focusOrigin) {\n            if (!focusOrigin) {\n                // When a focused element becomes disabled, the browser *immediately* fires a blur event.\n                // Angular does not expect events to be raised during change detection, so any state change\n                // (such as a form control's 'ng-touched') will cause a changed-after-checked error.\n                // See https://github.com/angular/angular/issues/17793. To work around this, we defer\n                // telling the form control it has been touched until the next tick.\n                Promise.resolve().then(function () {\n                    _this._onTouched();\n                    _changeDetectorRef.markForCheck();\n                });\n            }\n        });\n        // TODO: Remove this after the `_clickAction` parameter is removed as an injection parameter.\n        _this._clickAction = _this._clickAction || _this._options.clickAction;\n        return _this;\n    }\n    Object.defineProperty(MatCheckbox.prototype, \"inputId\", {\n        /** Returns the unique id for the visual hidden input. */\n        get: function () { return (this.id || this._uniqueId) + \"-input\"; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatCheckbox.prototype, \"required\", {\n        /** Whether the checkbox is required. */\n        get: function () { return this._required; },\n        set: function (value) { this._required = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    MatCheckbox.prototype.ngAfterViewInit = function () {\n        this._syncIndeterminate(this._indeterminate);\n    };\n    // TODO: Delete next major revision.\n    MatCheckbox.prototype.ngAfterViewChecked = function () { };\n    MatCheckbox.prototype.ngOnDestroy = function () {\n        this._focusMonitor.stopMonitoring(this._elementRef);\n    };\n    Object.defineProperty(MatCheckbox.prototype, \"checked\", {\n        /**\n         * Whether the checkbox is checked.\n         */\n        get: function () { return this._checked; },\n        set: function (value) {\n            if (value != this.checked) {\n                this._checked = value;\n                this._changeDetectorRef.markForCheck();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatCheckbox.prototype, \"disabled\", {\n        /**\n         * Whether the checkbox is disabled. This fully overrides the implementation provided by\n         * mixinDisabled, but the mixin is still required because mixinTabIndex requires it.\n         */\n        get: function () { return this._disabled; },\n        set: function (value) {\n            var newValue = coerceBooleanProperty(value);\n            if (newValue !== this.disabled) {\n                this._disabled = newValue;\n                this._changeDetectorRef.markForCheck();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatCheckbox.prototype, \"indeterminate\", {\n        /**\n         * Whether the checkbox is indeterminate. This is also known as \"mixed\" mode and can be used to\n         * represent a checkbox with three states, e.g. a checkbox that represents a nested list of\n         * checkable items. Note that whenever checkbox is manually clicked, indeterminate is immediately\n         * set to false.\n         */\n        get: function () { return this._indeterminate; },\n        set: function (value) {\n            var changed = value != this._indeterminate;\n            this._indeterminate = coerceBooleanProperty(value);\n            if (changed) {\n                if (this._indeterminate) {\n                    this._transitionCheckState(TransitionCheckState.Indeterminate);\n                }\n                else {\n                    this._transitionCheckState(this.checked ? TransitionCheckState.Checked : TransitionCheckState.Unchecked);\n                }\n                this.indeterminateChange.emit(this._indeterminate);\n            }\n            this._syncIndeterminate(this._indeterminate);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatCheckbox.prototype._isRippleDisabled = function () {\n        return this.disableRipple || this.disabled;\n    };\n    /** Method being called whenever the label text changes. */\n    MatCheckbox.prototype._onLabelTextChange = function () {\n        // Since the event of the `cdkObserveContent` directive runs outside of the zone, the checkbox\n        // component will be only marked for check, but no actual change detection runs automatically.\n        // Instead of going back into the zone in order to trigger a change detection which causes\n        // *all* components to be checked (if explicitly marked or not using OnPush), we only trigger\n        // an explicit change detection for the checkbox view and its children.\n        this._changeDetectorRef.detectChanges();\n    };\n    // Implemented as part of ControlValueAccessor.\n    MatCheckbox.prototype.writeValue = function (value) {\n        this.checked = !!value;\n    };\n    // Implemented as part of ControlValueAccessor.\n    MatCheckbox.prototype.registerOnChange = function (fn) {\n        this._controlValueAccessorChangeFn = fn;\n    };\n    // Implemented as part of ControlValueAccessor.\n    MatCheckbox.prototype.registerOnTouched = function (fn) {\n        this._onTouched = fn;\n    };\n    // Implemented as part of ControlValueAccessor.\n    MatCheckbox.prototype.setDisabledState = function (isDisabled) {\n        this.disabled = isDisabled;\n    };\n    MatCheckbox.prototype._getAriaChecked = function () {\n        return this.checked ? 'true' : (this.indeterminate ? 'mixed' : 'false');\n    };\n    MatCheckbox.prototype._transitionCheckState = function (newState) {\n        var oldState = this._currentCheckState;\n        var element = this._elementRef.nativeElement;\n        if (oldState === newState) {\n            return;\n        }\n        if (this._currentAnimationClass.length > 0) {\n            element.classList.remove(this._currentAnimationClass);\n        }\n        this._currentAnimationClass = this._getAnimationClassForCheckStateTransition(oldState, newState);\n        this._currentCheckState = newState;\n        if (this._currentAnimationClass.length > 0) {\n            element.classList.add(this._currentAnimationClass);\n            // Remove the animation class to avoid animation when the checkbox is moved between containers\n            var animationClass_1 = this._currentAnimationClass;\n            this._ngZone.runOutsideAngular(function () {\n                setTimeout(function () {\n                    element.classList.remove(animationClass_1);\n                }, 1000);\n            });\n        }\n    };\n    MatCheckbox.prototype._emitChangeEvent = function () {\n        var event = new MatCheckboxChange();\n        event.source = this;\n        event.checked = this.checked;\n        this._controlValueAccessorChangeFn(this.checked);\n        this.change.emit(event);\n    };\n    /** Toggles the `checked` state of the checkbox. */\n    MatCheckbox.prototype.toggle = function () {\n        this.checked = !this.checked;\n    };\n    /**\n     * Event handler for checkbox input element.\n     * Toggles checked state if element is not disabled.\n     * Do not toggle on (change) event since IE doesn't fire change event when\n     *   indeterminate checkbox is clicked.\n     * @param event\n     */\n    MatCheckbox.prototype._onInputClick = function (event) {\n        var _this = this;\n        // We have to stop propagation for click events on the visual hidden input element.\n        // By default, when a user clicks on a label element, a generated click event will be\n        // dispatched on the associated input element. Since we are using a label element as our\n        // root container, the click event on the `checkbox` will be executed twice.\n        // The real click event will bubble up, and the generated click event also tries to bubble up.\n        // This will lead to multiple click events.\n        // Preventing bubbling for the second event will solve that issue.\n        event.stopPropagation();\n        // If resetIndeterminate is false, and the current state is indeterminate, do nothing on click\n        if (!this.disabled && this._clickAction !== 'noop') {\n            // When user manually click on the checkbox, `indeterminate` is set to false.\n            if (this.indeterminate && this._clickAction !== 'check') {\n                Promise.resolve().then(function () {\n                    _this._indeterminate = false;\n                    _this.indeterminateChange.emit(_this._indeterminate);\n                });\n            }\n            this.toggle();\n            this._transitionCheckState(this._checked ? TransitionCheckState.Checked : TransitionCheckState.Unchecked);\n            // Emit our custom change event if the native input emitted one.\n            // It is important to only emit it, if the native input triggered one, because\n            // we don't want to trigger a change event, when the `checked` variable changes for example.\n            this._emitChangeEvent();\n        }\n        else if (!this.disabled && this._clickAction === 'noop') {\n            // Reset native input when clicked with noop. The native checkbox becomes checked after\n            // click, reset it to be align with `checked` value of `mat-checkbox`.\n            this._inputElement.nativeElement.checked = this.checked;\n            this._inputElement.nativeElement.indeterminate = this.indeterminate;\n        }\n    };\n    /** Focuses the checkbox. */\n    MatCheckbox.prototype.focus = function (origin, options) {\n        if (origin === void 0) { origin = 'keyboard'; }\n        this._focusMonitor.focusVia(this._inputElement, origin, options);\n    };\n    MatCheckbox.prototype._onInteractionEvent = function (event) {\n        // We always have to stop propagation on the change event.\n        // Otherwise the change event, from the input element, will bubble up and\n        // emit its event object to the `change` output.\n        event.stopPropagation();\n    };\n    MatCheckbox.prototype._getAnimationClassForCheckStateTransition = function (oldState, newState) {\n        // Don't transition if animations are disabled.\n        if (this._animationMode === 'NoopAnimations') {\n            return '';\n        }\n        var animSuffix = '';\n        switch (oldState) {\n            case TransitionCheckState.Init:\n                // Handle edge case where user interacts with checkbox that does not have [(ngModel)] or\n                // [checked] bound to it.\n                if (newState === TransitionCheckState.Checked) {\n                    animSuffix = 'unchecked-checked';\n                }\n                else if (newState == TransitionCheckState.Indeterminate) {\n                    animSuffix = 'unchecked-indeterminate';\n                }\n                else {\n                    return '';\n                }\n                break;\n            case TransitionCheckState.Unchecked:\n                animSuffix = newState === TransitionCheckState.Checked ?\n                    'unchecked-checked' : 'unchecked-indeterminate';\n                break;\n            case TransitionCheckState.Checked:\n                animSuffix = newState === TransitionCheckState.Unchecked ?\n                    'checked-unchecked' : 'checked-indeterminate';\n                break;\n            case TransitionCheckState.Indeterminate:\n                animSuffix = newState === TransitionCheckState.Checked ?\n                    'indeterminate-checked' : 'indeterminate-unchecked';\n                break;\n        }\n        return \"mat-checkbox-anim-\" + animSuffix;\n    };\n    /**\n     * Syncs the indeterminate value with the checkbox DOM node.\n     *\n     * We sync `indeterminate` directly on the DOM node, because in Ivy the check for whether a\n     * property is supported on an element boils down to `if (propName in element)`. Domino's\n     * HTMLInputElement doesn't have an `indeterminate` property so Ivy will warn during\n     * server-side rendering.\n     */\n    MatCheckbox.prototype._syncIndeterminate = function (value) {\n        var nativeCheckbox = this._inputElement;\n        if (nativeCheckbox) {\n            nativeCheckbox.nativeElement.indeterminate = value;\n        }\n    };\n    MatCheckbox.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-checkbox',\n                    template: \"<label [attr.for]=\\\"inputId\\\" class=\\\"mat-checkbox-layout\\\" #label>\\n  <div class=\\\"mat-checkbox-inner-container\\\"\\n       [class.mat-checkbox-inner-container-no-side-margin]=\\\"!checkboxLabel.textContent || !checkboxLabel.textContent.trim()\\\">\\n    <input #input\\n           class=\\\"mat-checkbox-input cdk-visually-hidden\\\" type=\\\"checkbox\\\"\\n           [id]=\\\"inputId\\\"\\n           [required]=\\\"required\\\"\\n           [checked]=\\\"checked\\\"\\n           [attr.value]=\\\"value\\\"\\n           [disabled]=\\\"disabled\\\"\\n           [attr.name]=\\\"name\\\"\\n           [tabIndex]=\\\"tabIndex\\\"\\n           [attr.aria-label]=\\\"ariaLabel || null\\\"\\n           [attr.aria-labelledby]=\\\"ariaLabelledby\\\"\\n           [attr.aria-checked]=\\\"_getAriaChecked()\\\"\\n           (change)=\\\"_onInteractionEvent($event)\\\"\\n           (click)=\\\"_onInputClick($event)\\\">\\n    <div matRipple class=\\\"mat-checkbox-ripple\\\"\\n         [matRippleTrigger]=\\\"label\\\"\\n         [matRippleDisabled]=\\\"_isRippleDisabled()\\\"\\n         [matRippleRadius]=\\\"20\\\"\\n         [matRippleCentered]=\\\"true\\\"\\n         [matRippleAnimation]=\\\"{enterDuration: 150}\\\">\\n      <div class=\\\"mat-ripple-element mat-checkbox-persistent-ripple\\\"></div>\\n    </div>\\n    <div class=\\\"mat-checkbox-frame\\\"></div>\\n    <div class=\\\"mat-checkbox-background\\\">\\n      <svg version=\\\"1.1\\\"\\n           focusable=\\\"false\\\"\\n           class=\\\"mat-checkbox-checkmark\\\"\\n           viewBox=\\\"0 0 24 24\\\"\\n           xml:space=\\\"preserve\\\">\\n        <path class=\\\"mat-checkbox-checkmark-path\\\"\\n              fill=\\\"none\\\"\\n              stroke=\\\"white\\\"\\n              d=\\\"M4.1,12.7 9,17.6 20.3,6.3\\\"/>\\n      </svg>\\n      <!-- Element for rendering the indeterminate state checkbox. -->\\n      <div class=\\\"mat-checkbox-mixedmark\\\"></div>\\n    </div>\\n  </div>\\n  <span class=\\\"mat-checkbox-label\\\" #checkboxLabel (cdkObserveContent)=\\\"_onLabelTextChange()\\\">\\n    <!-- Add an invisible span so JAWS can read the label -->\\n    <span style=\\\"display:none\\\">&nbsp;</span>\\n    <ng-content></ng-content>\\n  </span>\\n</label>\\n\",\n                    exportAs: 'matCheckbox',\n                    host: {\n                        'class': 'mat-checkbox',\n                        '[id]': 'id',\n                        '[attr.tabindex]': 'null',\n                        '[class.mat-checkbox-indeterminate]': 'indeterminate',\n                        '[class.mat-checkbox-checked]': 'checked',\n                        '[class.mat-checkbox-disabled]': 'disabled',\n                        '[class.mat-checkbox-label-before]': 'labelPosition == \"before\"',\n                        '[class._mat-animation-noopable]': \"_animationMode === 'NoopAnimations'\",\n                    },\n                    providers: [MAT_CHECKBOX_CONTROL_VALUE_ACCESSOR],\n                    inputs: ['disableRipple', 'color', 'tabIndex'],\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    styles: [\"@keyframes mat-checkbox-fade-in-background{0%{opacity:0}50%{opacity:1}}@keyframes mat-checkbox-fade-out-background{0%,50%{opacity:1}100%{opacity:0}}@keyframes mat-checkbox-unchecked-checked-checkmark-path{0%,50%{stroke-dashoffset:22.910259}50%{animation-timing-function:cubic-bezier(0, 0, 0.2, 0.1)}100%{stroke-dashoffset:0}}@keyframes mat-checkbox-unchecked-indeterminate-mixedmark{0%,68.2%{transform:scaleX(0)}68.2%{animation-timing-function:cubic-bezier(0, 0, 0, 1)}100%{transform:scaleX(1)}}@keyframes mat-checkbox-checked-unchecked-checkmark-path{from{animation-timing-function:cubic-bezier(0.4, 0, 1, 1);stroke-dashoffset:0}to{stroke-dashoffset:-22.910259}}@keyframes mat-checkbox-checked-indeterminate-checkmark{from{animation-timing-function:cubic-bezier(0, 0, 0.2, 0.1);opacity:1;transform:rotate(0deg)}to{opacity:0;transform:rotate(45deg)}}@keyframes mat-checkbox-indeterminate-checked-checkmark{from{animation-timing-function:cubic-bezier(0.14, 0, 0, 1);opacity:0;transform:rotate(45deg)}to{opacity:1;transform:rotate(360deg)}}@keyframes mat-checkbox-checked-indeterminate-mixedmark{from{animation-timing-function:cubic-bezier(0, 0, 0.2, 0.1);opacity:0;transform:rotate(-45deg)}to{opacity:1;transform:rotate(0deg)}}@keyframes mat-checkbox-indeterminate-checked-mixedmark{from{animation-timing-function:cubic-bezier(0.14, 0, 0, 1);opacity:1;transform:rotate(0deg)}to{opacity:0;transform:rotate(315deg)}}@keyframes mat-checkbox-indeterminate-unchecked-mixedmark{0%{animation-timing-function:linear;opacity:1;transform:scaleX(1)}32.8%,100%{opacity:0;transform:scaleX(0)}}.mat-checkbox-background,.mat-checkbox-frame{top:0;left:0;right:0;bottom:0;position:absolute;border-radius:2px;box-sizing:border-box;pointer-events:none}.mat-checkbox{transition:background 400ms cubic-bezier(0.25, 0.8, 0.25, 1),box-shadow 280ms cubic-bezier(0.4, 0, 0.2, 1);cursor:pointer;-webkit-tap-highlight-color:transparent}._mat-animation-noopable.mat-checkbox{transition:none;animation:none}.mat-checkbox .mat-ripple-element:not(.mat-checkbox-persistent-ripple){opacity:.16}.mat-checkbox-layout{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:inherit;align-items:baseline;vertical-align:middle;display:inline-flex;white-space:nowrap}.mat-checkbox-label{-webkit-user-select:auto;-moz-user-select:auto;-ms-user-select:auto;user-select:auto}.mat-checkbox-inner-container{display:inline-block;height:16px;line-height:0;margin:auto;margin-right:8px;order:0;position:relative;vertical-align:middle;white-space:nowrap;width:16px;flex-shrink:0}[dir=rtl] .mat-checkbox-inner-container{margin-left:8px;margin-right:auto}.mat-checkbox-inner-container-no-side-margin{margin-left:0;margin-right:0}.mat-checkbox-frame{background-color:transparent;transition:border-color 90ms cubic-bezier(0, 0, 0.2, 0.1);border-width:2px;border-style:solid}._mat-animation-noopable .mat-checkbox-frame{transition:none}.mat-checkbox.cdk-keyboard-focused .cdk-high-contrast-active .mat-checkbox-frame{border-style:dotted}.mat-checkbox-background{align-items:center;display:inline-flex;justify-content:center;transition:background-color 90ms cubic-bezier(0, 0, 0.2, 0.1),opacity 90ms cubic-bezier(0, 0, 0.2, 0.1)}._mat-animation-noopable .mat-checkbox-background{transition:none}.cdk-high-contrast-active .mat-checkbox .mat-checkbox-background{background:none}.mat-checkbox-persistent-ripple{width:100%;height:100%;transform:none}.mat-checkbox-inner-container:hover .mat-checkbox-persistent-ripple{opacity:.04}.mat-checkbox.cdk-keyboard-focused .mat-checkbox-persistent-ripple{opacity:.12}.mat-checkbox-persistent-ripple,.mat-checkbox.mat-checkbox-disabled .mat-checkbox-inner-container:hover .mat-checkbox-persistent-ripple{opacity:0}@media(hover: none){.mat-checkbox-inner-container:hover .mat-checkbox-persistent-ripple{display:none}}.mat-checkbox-checkmark{top:0;left:0;right:0;bottom:0;position:absolute;width:100%}.mat-checkbox-checkmark-path{stroke-dashoffset:22.910259;stroke-dasharray:22.910259;stroke-width:2.1333333333px}.cdk-high-contrast-black-on-white .mat-checkbox-checkmark-path{stroke:#000 !important}.mat-checkbox-mixedmark{width:calc(100% - 6px);height:2px;opacity:0;transform:scaleX(0) rotate(0deg);border-radius:2px}.cdk-high-contrast-active .mat-checkbox-mixedmark{height:0;border-top:solid 2px;margin-top:2px}.mat-checkbox-label-before .mat-checkbox-inner-container{order:1;margin-left:8px;margin-right:auto}[dir=rtl] .mat-checkbox-label-before .mat-checkbox-inner-container{margin-left:auto;margin-right:8px}.mat-checkbox-checked .mat-checkbox-checkmark{opacity:1}.mat-checkbox-checked .mat-checkbox-checkmark-path{stroke-dashoffset:0}.mat-checkbox-checked .mat-checkbox-mixedmark{transform:scaleX(1) rotate(-45deg)}.mat-checkbox-indeterminate .mat-checkbox-checkmark{opacity:0;transform:rotate(45deg)}.mat-checkbox-indeterminate .mat-checkbox-checkmark-path{stroke-dashoffset:0}.mat-checkbox-indeterminate .mat-checkbox-mixedmark{opacity:1;transform:scaleX(1) rotate(0deg)}.mat-checkbox-unchecked .mat-checkbox-background{background-color:transparent}.mat-checkbox-disabled{cursor:default}.cdk-high-contrast-active .mat-checkbox-disabled{opacity:.5}.mat-checkbox-anim-unchecked-checked .mat-checkbox-background{animation:180ms linear 0ms mat-checkbox-fade-in-background}.mat-checkbox-anim-unchecked-checked .mat-checkbox-checkmark-path{animation:180ms linear 0ms mat-checkbox-unchecked-checked-checkmark-path}.mat-checkbox-anim-unchecked-indeterminate .mat-checkbox-background{animation:180ms linear 0ms mat-checkbox-fade-in-background}.mat-checkbox-anim-unchecked-indeterminate .mat-checkbox-mixedmark{animation:90ms linear 0ms mat-checkbox-unchecked-indeterminate-mixedmark}.mat-checkbox-anim-checked-unchecked .mat-checkbox-background{animation:180ms linear 0ms mat-checkbox-fade-out-background}.mat-checkbox-anim-checked-unchecked .mat-checkbox-checkmark-path{animation:90ms linear 0ms mat-checkbox-checked-unchecked-checkmark-path}.mat-checkbox-anim-checked-indeterminate .mat-checkbox-checkmark{animation:90ms linear 0ms mat-checkbox-checked-indeterminate-checkmark}.mat-checkbox-anim-checked-indeterminate .mat-checkbox-mixedmark{animation:90ms linear 0ms mat-checkbox-checked-indeterminate-mixedmark}.mat-checkbox-anim-indeterminate-checked .mat-checkbox-checkmark{animation:500ms linear 0ms mat-checkbox-indeterminate-checked-checkmark}.mat-checkbox-anim-indeterminate-checked .mat-checkbox-mixedmark{animation:500ms linear 0ms mat-checkbox-indeterminate-checked-mixedmark}.mat-checkbox-anim-indeterminate-unchecked .mat-checkbox-background{animation:180ms linear 0ms mat-checkbox-fade-out-background}.mat-checkbox-anim-indeterminate-unchecked .mat-checkbox-mixedmark{animation:300ms linear 0ms mat-checkbox-indeterminate-unchecked-mixedmark}.mat-checkbox-input{bottom:0;left:50%}.mat-checkbox .mat-checkbox-ripple{position:absolute;left:calc(50% - 20px);top:calc(50% - 20px);height:40px;width:40px;z-index:1;pointer-events:none}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatCheckbox.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: ChangeDetectorRef },\n        { type: FocusMonitor },\n        { type: NgZone },\n        { type: String, decorators: [{ type: Attribute, args: ['tabindex',] }] },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_CHECKBOX_CLICK_ACTION,] }] },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_CHECKBOX_DEFAULT_OPTIONS,] }] }\n    ]; };\n    MatCheckbox.propDecorators = {\n        ariaLabel: [{ type: Input, args: ['aria-label',] }],\n        ariaLabelledby: [{ type: Input, args: ['aria-labelledby',] }],\n        id: [{ type: Input }],\n        required: [{ type: Input }],\n        labelPosition: [{ type: Input }],\n        name: [{ type: Input }],\n        change: [{ type: Output }],\n        indeterminateChange: [{ type: Output }],\n        value: [{ type: Input }],\n        _inputElement: [{ type: ViewChild, args: ['input',] }],\n        ripple: [{ type: ViewChild, args: [MatRipple,] }],\n        checked: [{ type: Input }],\n        disabled: [{ type: Input }],\n        indeterminate: [{ type: Input }]\n    };\n    return MatCheckbox;\n}(_MatCheckboxMixinBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MAT_CHECKBOX_REQUIRED_VALIDATOR = {\n    provide: NG_VALIDATORS,\n    useExisting: forwardRef(function () { return MatCheckboxRequiredValidator; }),\n    multi: true\n};\n/**\n * Validator for Material checkbox's required attribute in template-driven checkbox.\n * Current CheckboxRequiredValidator only work with `input type=checkbox` and does not\n * work with `mat-checkbox`.\n */\nvar MatCheckboxRequiredValidator = /** @class */ (function (_super) {\n    __extends(MatCheckboxRequiredValidator, _super);\n    function MatCheckboxRequiredValidator() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    MatCheckboxRequiredValidator.decorators = [\n        { type: Directive, args: [{\n                    selector: \"mat-checkbox[required][formControlName],\\n             mat-checkbox[required][formControl], mat-checkbox[required][ngModel]\",\n                    providers: [MAT_CHECKBOX_REQUIRED_VALIDATOR],\n                },] }\n    ];\n    return MatCheckboxRequiredValidator;\n}(CheckboxRequiredValidator));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** This module is used by both original and MDC-based checkbox implementations. */\nvar _MatCheckboxRequiredValidatorModule = /** @class */ (function () {\n    function _MatCheckboxRequiredValidatorModule() {\n    }\n    _MatCheckboxRequiredValidatorModule.decorators = [\n        { type: NgModule, args: [{\n                    exports: [MatCheckboxRequiredValidator],\n                    declarations: [MatCheckboxRequiredValidator],\n                },] }\n    ];\n    return _MatCheckboxRequiredValidatorModule;\n}());\nvar MatCheckboxModule = /** @class */ (function () {\n    function MatCheckboxModule() {\n    }\n    MatCheckboxModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [\n                        CommonModule, MatRippleModule, MatCommonModule, ObserversModule,\n                        _MatCheckboxRequiredValidatorModule\n                    ],\n                    exports: [MatCheckbox, MatCommonModule, _MatCheckboxRequiredValidatorModule],\n                    declarations: [MatCheckbox],\n                },] }\n    ];\n    return MatCheckboxModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MAT_CHECKBOX_CLICK_ACTION, MAT_CHECKBOX_CONTROL_VALUE_ACCESSOR, MAT_CHECKBOX_DEFAULT_OPTIONS, MAT_CHECKBOX_DEFAULT_OPTIONS_FACTORY, MAT_CHECKBOX_REQUIRED_VALIDATOR, MatCheckbox, MatCheckboxChange, MatCheckboxModule, MatCheckboxRequiredValidator, TransitionCheckState, _MatCheckboxRequiredValidatorModule };\n","/**\n * @license Angular v9.0.0\n * (c) 2010-2020 Google LLC. https://angular.io/\n * License: MIT\n */\n\nimport { __extends, __assign, __decorate, __param, __metadata } from 'tslib';\nimport { ɵDomAdapter, ɵsetRootDomAdapter, ɵparseCookieValue, ɵgetDOM, DOCUMENT, ɵPLATFORM_BROWSER_ID, CommonModule } from '@angular/common';\nexport { ɵgetDOM } from '@angular/common';\nimport { ɵglobal, InjectionToken, ApplicationInitStatus, APP_INITIALIZER, Injector, setTestabilityGetter, ApplicationRef, NgZone, ɵgetDebugNodeR2, NgProbeToken, Optional, Injectable, Inject, ViewEncapsulation, APP_ID, RendererStyleFlags2, ɵConsole, NgModule, ɵɵdefineInjectable, ɵɵinject, forwardRef, SecurityContext, ɵallowSanitizationBypassAndThrow, ɵunwrapSafeValue, ɵgetSanitizationBypassType, ɵ_sanitizeUrl, ɵ_sanitizeStyle, ɵ_sanitizeHtml, ɵbypassSanitizationTrustHtml, ɵbypassSanitizationTrustStyle, ɵbypassSanitizationTrustScript, ɵbypassSanitizationTrustUrl, ɵbypassSanitizationTrustResourceUrl, INJECTOR, PLATFORM_ID, PLATFORM_INITIALIZER, Sanitizer, createPlatformFactory, platformCore, ErrorHandler, ɵsetDocument, ɵINJECTOR_SCOPE, RendererFactory2, Testability, ApplicationModule, SkipSelf, Version } from '@angular/core';\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Provides DOM operations in any browser environment.\n *\n * @security Tread carefully! Interacting with the DOM directly is dangerous and\n * can introduce XSS risks.\n */\nvar GenericBrowserDomAdapter = /** @class */ (function (_super) {\n    __extends(GenericBrowserDomAdapter, _super);\n    function GenericBrowserDomAdapter() {\n        return _super.call(this) || this;\n    }\n    GenericBrowserDomAdapter.prototype.supportsDOMEvents = function () { return true; };\n    return GenericBrowserDomAdapter;\n}(ɵDomAdapter));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ɵ0 = function () {\n    if (ɵglobal['Node']) {\n        return ɵglobal['Node'].prototype.contains || function (node) {\n            return !!(this.compareDocumentPosition(node) & 16);\n        };\n    }\n    return undefined;\n};\nvar nodeContains = (ɵ0)();\n/**\n * A `DomAdapter` powered by full browser DOM APIs.\n *\n * @security Tread carefully! Interacting with the DOM directly is dangerous and\n * can introduce XSS risks.\n */\n/* tslint:disable:requireParameterType no-console */\nvar BrowserDomAdapter = /** @class */ (function (_super) {\n    __extends(BrowserDomAdapter, _super);\n    function BrowserDomAdapter() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    BrowserDomAdapter.makeCurrent = function () { ɵsetRootDomAdapter(new BrowserDomAdapter()); };\n    BrowserDomAdapter.prototype.getProperty = function (el, name) { return el[name]; };\n    BrowserDomAdapter.prototype.log = function (error) {\n        if (window.console) {\n            window.console.log && window.console.log(error);\n        }\n    };\n    BrowserDomAdapter.prototype.logGroup = function (error) {\n        if (window.console) {\n            window.console.group && window.console.group(error);\n        }\n    };\n    BrowserDomAdapter.prototype.logGroupEnd = function () {\n        if (window.console) {\n            window.console.groupEnd && window.console.groupEnd();\n        }\n    };\n    BrowserDomAdapter.prototype.onAndCancel = function (el, evt, listener) {\n        el.addEventListener(evt, listener, false);\n        // Needed to follow Dart's subscription semantic, until fix of\n        // https://code.google.com/p/dart/issues/detail?id=17406\n        return function () { el.removeEventListener(evt, listener, false); };\n    };\n    BrowserDomAdapter.prototype.dispatchEvent = function (el, evt) { el.dispatchEvent(evt); };\n    BrowserDomAdapter.prototype.remove = function (node) {\n        if (node.parentNode) {\n            node.parentNode.removeChild(node);\n        }\n        return node;\n    };\n    BrowserDomAdapter.prototype.getValue = function (el) { return el.value; };\n    BrowserDomAdapter.prototype.createElement = function (tagName, doc) {\n        doc = doc || this.getDefaultDocument();\n        return doc.createElement(tagName);\n    };\n    BrowserDomAdapter.prototype.createHtmlDocument = function () {\n        return document.implementation.createHTMLDocument('fakeTitle');\n    };\n    BrowserDomAdapter.prototype.getDefaultDocument = function () { return document; };\n    BrowserDomAdapter.prototype.isElementNode = function (node) { return node.nodeType === Node.ELEMENT_NODE; };\n    BrowserDomAdapter.prototype.isShadowRoot = function (node) { return node instanceof DocumentFragment; };\n    BrowserDomAdapter.prototype.getGlobalEventTarget = function (doc, target) {\n        if (target === 'window') {\n            return window;\n        }\n        if (target === 'document') {\n            return doc;\n        }\n        if (target === 'body') {\n            return doc.body;\n        }\n        return null;\n    };\n    BrowserDomAdapter.prototype.getHistory = function () { return window.history; };\n    BrowserDomAdapter.prototype.getLocation = function () { return window.location; };\n    BrowserDomAdapter.prototype.getBaseHref = function (doc) {\n        var href = getBaseElementHref();\n        return href == null ? null : relativePath(href);\n    };\n    BrowserDomAdapter.prototype.resetBaseElement = function () { baseElement = null; };\n    BrowserDomAdapter.prototype.getUserAgent = function () { return window.navigator.userAgent; };\n    BrowserDomAdapter.prototype.performanceNow = function () {\n        // performance.now() is not available in all browsers, see\n        // http://caniuse.com/#search=performance.now\n        return window.performance && window.performance.now ? window.performance.now() :\n            new Date().getTime();\n    };\n    BrowserDomAdapter.prototype.supportsCookies = function () { return true; };\n    BrowserDomAdapter.prototype.getCookie = function (name) { return ɵparseCookieValue(document.cookie, name); };\n    return BrowserDomAdapter;\n}(GenericBrowserDomAdapter));\nvar baseElement = null;\nfunction getBaseElementHref() {\n    if (!baseElement) {\n        baseElement = document.querySelector('base');\n        if (!baseElement) {\n            return null;\n        }\n    }\n    return baseElement.getAttribute('href');\n}\n// based on urlUtils.js in AngularJS 1\nvar urlParsingNode;\nfunction relativePath(url) {\n    if (!urlParsingNode) {\n        urlParsingNode = document.createElement('a');\n    }\n    urlParsingNode.setAttribute('href', url);\n    return (urlParsingNode.pathname.charAt(0) === '/') ? urlParsingNode.pathname :\n        '/' + urlParsingNode.pathname;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * An id that identifies a particular application being bootstrapped, that should\n * match across the client/server boundary.\n */\nvar TRANSITION_ID = new InjectionToken('TRANSITION_ID');\nfunction appInitializerFactory(transitionId, document, injector) {\n    return function () {\n        // Wait for all application initializers to be completed before removing the styles set by\n        // the server.\n        injector.get(ApplicationInitStatus).donePromise.then(function () {\n            var dom = ɵgetDOM();\n            var styles = Array.prototype.slice.apply(document.querySelectorAll(\"style[ng-transition]\"));\n            styles.filter(function (el) { return el.getAttribute('ng-transition') === transitionId; })\n                .forEach(function (el) { return dom.remove(el); });\n        });\n    };\n}\nvar SERVER_TRANSITION_PROVIDERS = [\n    {\n        provide: APP_INITIALIZER,\n        useFactory: appInitializerFactory,\n        deps: [TRANSITION_ID, DOCUMENT, Injector],\n        multi: true\n    },\n];\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar BrowserGetTestability = /** @class */ (function () {\n    function BrowserGetTestability() {\n    }\n    BrowserGetTestability.init = function () { setTestabilityGetter(new BrowserGetTestability()); };\n    BrowserGetTestability.prototype.addToWindow = function (registry) {\n        ɵglobal['getAngularTestability'] = function (elem, findInAncestors) {\n            if (findInAncestors === void 0) { findInAncestors = true; }\n            var testability = registry.findTestabilityInTree(elem, findInAncestors);\n            if (testability == null) {\n                throw new Error('Could not find testability for element.');\n            }\n            return testability;\n        };\n        ɵglobal['getAllAngularTestabilities'] = function () { return registry.getAllTestabilities(); };\n        ɵglobal['getAllAngularRootElements'] = function () { return registry.getAllRootElements(); };\n        var whenAllStable = function (callback /** TODO #9100 */) {\n            var testabilities = ɵglobal['getAllAngularTestabilities']();\n            var count = testabilities.length;\n            var didWork = false;\n            var decrement = function (didWork_ /** TODO #9100 */) {\n                didWork = didWork || didWork_;\n                count--;\n                if (count == 0) {\n                    callback(didWork);\n                }\n            };\n            testabilities.forEach(function (testability /** TODO #9100 */) {\n                testability.whenStable(decrement);\n            });\n        };\n        if (!ɵglobal['frameworkStabilizers']) {\n            ɵglobal['frameworkStabilizers'] = [];\n        }\n        ɵglobal['frameworkStabilizers'].push(whenAllStable);\n    };\n    BrowserGetTestability.prototype.findTestabilityInTree = function (registry, elem, findInAncestors) {\n        if (elem == null) {\n            return null;\n        }\n        var t = registry.getTestability(elem);\n        if (t != null) {\n            return t;\n        }\n        else if (!findInAncestors) {\n            return null;\n        }\n        if (ɵgetDOM().isShadowRoot(elem)) {\n            return this.findTestabilityInTree(registry, elem.host, true);\n        }\n        return this.findTestabilityInTree(registry, elem.parentElement, true);\n    };\n    return BrowserGetTestability;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar CAMEL_CASE_REGEXP = /([A-Z])/g;\nvar DASH_CASE_REGEXP = /-([a-z])/g;\nfunction camelCaseToDashCase(input) {\n    return input.replace(CAMEL_CASE_REGEXP, function () {\n        var m = [];\n        for (var _i = 0; _i < arguments.length; _i++) {\n            m[_i] = arguments[_i];\n        }\n        return '-' + m[1].toLowerCase();\n    });\n}\nfunction dashCaseToCamelCase(input) {\n    return input.replace(DASH_CASE_REGEXP, function () {\n        var m = [];\n        for (var _i = 0; _i < arguments.length; _i++) {\n            m[_i] = arguments[_i];\n        }\n        return m[1].toUpperCase();\n    });\n}\n/**\n * Exports the value under a given `name` in the global property `ng`. For example `ng.probe` if\n * `name` is `'probe'`.\n * @param name Name under which it will be exported. Keep in mind this will be a property of the\n * global `ng` object.\n * @param value The value to export.\n */\nfunction exportNgVar(name, value) {\n    if (typeof COMPILED === 'undefined' || !COMPILED) {\n        // Note: we can't export `ng` when using closure enhanced optimization as:\n        // - closure declares globals itself for minified names, which sometimes clobber our `ng` global\n        // - we can't declare a closure extern as the namespace `ng` is already used within Google\n        //   for typings for angularJS (via `goog.provide('ng....')`).\n        var ng = ɵglobal['ng'] = ɵglobal['ng'] || {};\n        ng[name] = value;\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ɵ0$1 = function () { return ({\n    'ApplicationRef': ApplicationRef,\n    'NgZone': NgZone,\n}); };\nvar CORE_TOKENS = (ɵ0$1)();\nvar INSPECT_GLOBAL_NAME = 'probe';\nvar CORE_TOKENS_GLOBAL_NAME = 'coreTokens';\n/**\n * Returns a {@link DebugElement} for the given native DOM element, or\n * null if the given native element does not have an Angular view associated\n * with it.\n */\nfunction inspectNativeElementR2(element) {\n    return ɵgetDebugNodeR2(element);\n}\nfunction _createNgProbeR2(coreTokens) {\n    exportNgVar(INSPECT_GLOBAL_NAME, inspectNativeElementR2);\n    exportNgVar(CORE_TOKENS_GLOBAL_NAME, __assign(__assign({}, CORE_TOKENS), _ngProbeTokensToMap(coreTokens || [])));\n    return function () { return inspectNativeElementR2; };\n}\nfunction _ngProbeTokensToMap(tokens) {\n    return tokens.reduce(function (prev, t) { return (prev[t.name] = t.token, prev); }, {});\n}\n/**\n * In Ivy, we don't support NgProbe because we have our own set of testing utilities\n * with more robust functionality.\n *\n * We shouldn't bring in NgProbe because it prevents DebugNode and friends from\n * tree-shaking properly.\n */\nvar ELEMENT_PROBE_PROVIDERS__POST_R3__ = [];\n/**\n * Providers which support debugging Angular applications (e.g. via `ng.probe`).\n */\nvar ELEMENT_PROBE_PROVIDERS__PRE_R3__ = [\n    {\n        provide: APP_INITIALIZER,\n        useFactory: _createNgProbeR2,\n        deps: [\n            [NgProbeToken, new Optional()],\n        ],\n        multi: true,\n    },\n];\nvar ELEMENT_PROBE_PROVIDERS = ELEMENT_PROBE_PROVIDERS__PRE_R3__;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * The injection token for the event-manager plug-in service.\n *\n * @publicApi\n */\nvar EVENT_MANAGER_PLUGINS = new InjectionToken('EventManagerPlugins');\n/**\n * An injectable service that provides event management for Angular\n * through a browser plug-in.\n *\n * @publicApi\n */\nvar EventManager = /** @class */ (function () {\n    /**\n     * Initializes an instance of the event-manager service.\n     */\n    function EventManager(plugins, _zone) {\n        var _this = this;\n        this._zone = _zone;\n        this._eventNameToPlugin = new Map();\n        plugins.forEach(function (p) { return p.manager = _this; });\n        this._plugins = plugins.slice().reverse();\n    }\n    /**\n     * Registers a handler for a specific element and event.\n     *\n     * @param element The HTML element to receive event notifications.\n     * @param eventName The name of the event to listen for.\n     * @param handler A function to call when the notification occurs. Receives the\n     * event object as an argument.\n     * @returns  A callback function that can be used to remove the handler.\n     */\n    EventManager.prototype.addEventListener = function (element, eventName, handler) {\n        var plugin = this._findPluginFor(eventName);\n        return plugin.addEventListener(element, eventName, handler);\n    };\n    /**\n     * Registers a global handler for an event in a target view.\n     *\n     * @param target A target for global event notifications. One of \"window\", \"document\", or \"body\".\n     * @param eventName The name of the event to listen for.\n     * @param handler A function to call when the notification occurs. Receives the\n     * event object as an argument.\n     * @returns A callback function that can be used to remove the handler.\n     */\n    EventManager.prototype.addGlobalEventListener = function (target, eventName, handler) {\n        var plugin = this._findPluginFor(eventName);\n        return plugin.addGlobalEventListener(target, eventName, handler);\n    };\n    /**\n     * Retrieves the compilation zone in which event listeners are registered.\n     */\n    EventManager.prototype.getZone = function () { return this._zone; };\n    /** @internal */\n    EventManager.prototype._findPluginFor = function (eventName) {\n        var plugin = this._eventNameToPlugin.get(eventName);\n        if (plugin) {\n            return plugin;\n        }\n        var plugins = this._plugins;\n        for (var i = 0; i < plugins.length; i++) {\n            var plugin_1 = plugins[i];\n            if (plugin_1.supports(eventName)) {\n                this._eventNameToPlugin.set(eventName, plugin_1);\n                return plugin_1;\n            }\n        }\n        throw new Error(\"No event manager plugin found for event \" + eventName);\n    };\n    EventManager = __decorate([\n        Injectable(),\n        __param(0, Inject(EVENT_MANAGER_PLUGINS)),\n        __metadata(\"design:paramtypes\", [Array, NgZone])\n    ], EventManager);\n    return EventManager;\n}());\nvar EventManagerPlugin = /** @class */ (function () {\n    function EventManagerPlugin(_doc) {\n        this._doc = _doc;\n    }\n    EventManagerPlugin.prototype.addGlobalEventListener = function (element, eventName, handler) {\n        var target = ɵgetDOM().getGlobalEventTarget(this._doc, element);\n        if (!target) {\n            throw new Error(\"Unsupported event target \" + target + \" for event \" + eventName);\n        }\n        return this.addEventListener(target, eventName, handler);\n    };\n    return EventManagerPlugin;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar SharedStylesHost = /** @class */ (function () {\n    function SharedStylesHost() {\n        /** @internal */\n        this._stylesSet = new Set();\n    }\n    SharedStylesHost.prototype.addStyles = function (styles) {\n        var _this = this;\n        var additions = new Set();\n        styles.forEach(function (style) {\n            if (!_this._stylesSet.has(style)) {\n                _this._stylesSet.add(style);\n                additions.add(style);\n            }\n        });\n        this.onStylesAdded(additions);\n    };\n    SharedStylesHost.prototype.onStylesAdded = function (additions) { };\n    SharedStylesHost.prototype.getAllStyles = function () { return Array.from(this._stylesSet); };\n    SharedStylesHost = __decorate([\n        Injectable()\n    ], SharedStylesHost);\n    return SharedStylesHost;\n}());\nvar DomSharedStylesHost = /** @class */ (function (_super) {\n    __extends(DomSharedStylesHost, _super);\n    function DomSharedStylesHost(_doc) {\n        var _this = _super.call(this) || this;\n        _this._doc = _doc;\n        _this._hostNodes = new Set();\n        _this._styleNodes = new Set();\n        _this._hostNodes.add(_doc.head);\n        return _this;\n    }\n    DomSharedStylesHost.prototype._addStylesToHost = function (styles, host) {\n        var _this = this;\n        styles.forEach(function (style) {\n            var styleEl = _this._doc.createElement('style');\n            styleEl.textContent = style;\n            _this._styleNodes.add(host.appendChild(styleEl));\n        });\n    };\n    DomSharedStylesHost.prototype.addHost = function (hostNode) {\n        this._addStylesToHost(this._stylesSet, hostNode);\n        this._hostNodes.add(hostNode);\n    };\n    DomSharedStylesHost.prototype.removeHost = function (hostNode) { this._hostNodes.delete(hostNode); };\n    DomSharedStylesHost.prototype.onStylesAdded = function (additions) {\n        var _this = this;\n        this._hostNodes.forEach(function (hostNode) { return _this._addStylesToHost(additions, hostNode); });\n    };\n    DomSharedStylesHost.prototype.ngOnDestroy = function () { this._styleNodes.forEach(function (styleNode) { return ɵgetDOM().remove(styleNode); }); };\n    DomSharedStylesHost = __decorate([\n        Injectable(),\n        __param(0, Inject(DOCUMENT)),\n        __metadata(\"design:paramtypes\", [Object])\n    ], DomSharedStylesHost);\n    return DomSharedStylesHost;\n}(SharedStylesHost));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar NAMESPACE_URIS = {\n    'svg': 'http://www.w3.org/2000/svg',\n    'xhtml': 'http://www.w3.org/1999/xhtml',\n    'xlink': 'http://www.w3.org/1999/xlink',\n    'xml': 'http://www.w3.org/XML/1998/namespace',\n    'xmlns': 'http://www.w3.org/2000/xmlns/',\n};\nvar COMPONENT_REGEX = /%COMP%/g;\nvar NG_DEV_MODE = typeof ngDevMode === 'undefined' || !!ngDevMode;\nvar COMPONENT_VARIABLE = '%COMP%';\nvar HOST_ATTR = \"_nghost-\" + COMPONENT_VARIABLE;\nvar CONTENT_ATTR = \"_ngcontent-\" + COMPONENT_VARIABLE;\nfunction shimContentAttribute(componentShortId) {\n    return CONTENT_ATTR.replace(COMPONENT_REGEX, componentShortId);\n}\nfunction shimHostAttribute(componentShortId) {\n    return HOST_ATTR.replace(COMPONENT_REGEX, componentShortId);\n}\nfunction flattenStyles(compId, styles, target) {\n    for (var i = 0; i < styles.length; i++) {\n        var style = styles[i];\n        if (Array.isArray(style)) {\n            flattenStyles(compId, style, target);\n        }\n        else {\n            style = style.replace(COMPONENT_REGEX, compId);\n            target.push(style);\n        }\n    }\n    return target;\n}\nfunction decoratePreventDefault(eventHandler) {\n    // `DebugNode.triggerEventHandler` needs to know if the listener was created with\n    // decoratePreventDefault or is a listener added outside the Angular context so it can handle the\n    // two differently. In the first case, the special '__ngUnwrap__' token is passed to the unwrap\n    // the listener (see below).\n    return function (event) {\n        // Ivy uses '__ngUnwrap__' as a special token that allows us to unwrap the function\n        // so that it can be invoked programmatically by `DebugNode.triggerEventHandler`. The debug_node\n        // can inspect the listener toString contents for the existence of this special token. Because\n        // the token is a string literal, it is ensured to not be modified by compiled code.\n        if (event === '__ngUnwrap__') {\n            return eventHandler;\n        }\n        var allowDefaultBehavior = eventHandler(event);\n        if (allowDefaultBehavior === false) {\n            // TODO(tbosch): move preventDefault into event plugins...\n            event.preventDefault();\n            event.returnValue = false;\n        }\n        return undefined;\n    };\n}\nvar DomRendererFactory2 = /** @class */ (function () {\n    function DomRendererFactory2(eventManager, sharedStylesHost, appId) {\n        this.eventManager = eventManager;\n        this.sharedStylesHost = sharedStylesHost;\n        this.appId = appId;\n        this.rendererByCompId = new Map();\n        this.defaultRenderer = new DefaultDomRenderer2(eventManager);\n    }\n    DomRendererFactory2.prototype.createRenderer = function (element, type) {\n        if (!element || !type) {\n            return this.defaultRenderer;\n        }\n        switch (type.encapsulation) {\n            case ViewEncapsulation.Emulated: {\n                var renderer = this.rendererByCompId.get(type.id);\n                if (!renderer) {\n                    renderer = new EmulatedEncapsulationDomRenderer2(this.eventManager, this.sharedStylesHost, type, this.appId);\n                    this.rendererByCompId.set(type.id, renderer);\n                }\n                renderer.applyToHost(element);\n                return renderer;\n            }\n            case ViewEncapsulation.Native:\n            case ViewEncapsulation.ShadowDom:\n                return new ShadowDomRenderer(this.eventManager, this.sharedStylesHost, element, type);\n            default: {\n                if (!this.rendererByCompId.has(type.id)) {\n                    var styles = flattenStyles(type.id, type.styles, []);\n                    this.sharedStylesHost.addStyles(styles);\n                    this.rendererByCompId.set(type.id, this.defaultRenderer);\n                }\n                return this.defaultRenderer;\n            }\n        }\n    };\n    DomRendererFactory2.prototype.begin = function () { };\n    DomRendererFactory2.prototype.end = function () { };\n    DomRendererFactory2 = __decorate([\n        Injectable(),\n        __param(2, Inject(APP_ID)),\n        __metadata(\"design:paramtypes\", [EventManager, DomSharedStylesHost, String])\n    ], DomRendererFactory2);\n    return DomRendererFactory2;\n}());\nvar DefaultDomRenderer2 = /** @class */ (function () {\n    function DefaultDomRenderer2(eventManager) {\n        this.eventManager = eventManager;\n        this.data = Object.create(null);\n    }\n    DefaultDomRenderer2.prototype.destroy = function () { };\n    DefaultDomRenderer2.prototype.createElement = function (name, namespace) {\n        if (namespace) {\n            // In cases where Ivy (not ViewEngine) is giving us the actual namespace, the look up by key\n            // will result in undefined, so we just return the namespace here.\n            return document.createElementNS(NAMESPACE_URIS[namespace] || namespace, name);\n        }\n        return document.createElement(name);\n    };\n    DefaultDomRenderer2.prototype.createComment = function (value) { return document.createComment(value); };\n    DefaultDomRenderer2.prototype.createText = function (value) { return document.createTextNode(value); };\n    DefaultDomRenderer2.prototype.appendChild = function (parent, newChild) { parent.appendChild(newChild); };\n    DefaultDomRenderer2.prototype.insertBefore = function (parent, newChild, refChild) {\n        if (parent) {\n            parent.insertBefore(newChild, refChild);\n        }\n    };\n    DefaultDomRenderer2.prototype.removeChild = function (parent, oldChild) {\n        if (parent) {\n            parent.removeChild(oldChild);\n        }\n    };\n    DefaultDomRenderer2.prototype.selectRootElement = function (selectorOrNode, preserveContent) {\n        var el = typeof selectorOrNode === 'string' ? document.querySelector(selectorOrNode) :\n            selectorOrNode;\n        if (!el) {\n            throw new Error(\"The selector \\\"\" + selectorOrNode + \"\\\" did not match any elements\");\n        }\n        if (!preserveContent) {\n            el.textContent = '';\n        }\n        return el;\n    };\n    DefaultDomRenderer2.prototype.parentNode = function (node) { return node.parentNode; };\n    DefaultDomRenderer2.prototype.nextSibling = function (node) { return node.nextSibling; };\n    DefaultDomRenderer2.prototype.setAttribute = function (el, name, value, namespace) {\n        if (namespace) {\n            name = namespace + ':' + name;\n            // TODO(benlesh): Ivy may cause issues here because it's passing around\n            // full URIs for namespaces, therefore this lookup will fail.\n            var namespaceUri = NAMESPACE_URIS[namespace];\n            if (namespaceUri) {\n                el.setAttributeNS(namespaceUri, name, value);\n            }\n            else {\n                el.setAttribute(name, value);\n            }\n        }\n        else {\n            el.setAttribute(name, value);\n        }\n    };\n    DefaultDomRenderer2.prototype.removeAttribute = function (el, name, namespace) {\n        if (namespace) {\n            // TODO(benlesh): Ivy may cause issues here because it's passing around\n            // full URIs for namespaces, therefore this lookup will fail.\n            var namespaceUri = NAMESPACE_URIS[namespace];\n            if (namespaceUri) {\n                el.removeAttributeNS(namespaceUri, name);\n            }\n            else {\n                // TODO(benlesh): Since ivy is passing around full URIs for namespaces\n                // this could result in properties like `http://www.w3.org/2000/svg:cx=\"123\"`,\n                // which is wrong.\n                el.removeAttribute(namespace + \":\" + name);\n            }\n        }\n        else {\n            el.removeAttribute(name);\n        }\n    };\n    DefaultDomRenderer2.prototype.addClass = function (el, name) { el.classList.add(name); };\n    DefaultDomRenderer2.prototype.removeClass = function (el, name) { el.classList.remove(name); };\n    DefaultDomRenderer2.prototype.setStyle = function (el, style, value, flags) {\n        if (flags & RendererStyleFlags2.DashCase) {\n            el.style.setProperty(style, value, !!(flags & RendererStyleFlags2.Important) ? 'important' : '');\n        }\n        else {\n            el.style[style] = value;\n        }\n    };\n    DefaultDomRenderer2.prototype.removeStyle = function (el, style, flags) {\n        if (flags & RendererStyleFlags2.DashCase) {\n            el.style.removeProperty(style);\n        }\n        else {\n            // IE requires '' instead of null\n            // see https://github.com/angular/angular/issues/7916\n            el.style[style] = '';\n        }\n    };\n    DefaultDomRenderer2.prototype.setProperty = function (el, name, value) {\n        NG_DEV_MODE && checkNoSyntheticProp(name, 'property');\n        el[name] = value;\n    };\n    DefaultDomRenderer2.prototype.setValue = function (node, value) { node.nodeValue = value; };\n    DefaultDomRenderer2.prototype.listen = function (target, event, callback) {\n        NG_DEV_MODE && checkNoSyntheticProp(event, 'listener');\n        if (typeof target === 'string') {\n            return this.eventManager.addGlobalEventListener(target, event, decoratePreventDefault(callback));\n        }\n        return this.eventManager.addEventListener(target, event, decoratePreventDefault(callback));\n    };\n    return DefaultDomRenderer2;\n}());\nvar ɵ0$2 = function () { return '@'.charCodeAt(0); };\nvar AT_CHARCODE = (ɵ0$2)();\nfunction checkNoSyntheticProp(name, nameKind) {\n    if (name.charCodeAt(0) === AT_CHARCODE) {\n        throw new Error(\"Found the synthetic \" + nameKind + \" \" + name + \". Please include either \\\"BrowserAnimationsModule\\\" or \\\"NoopAnimationsModule\\\" in your application.\");\n    }\n}\nvar EmulatedEncapsulationDomRenderer2 = /** @class */ (function (_super) {\n    __extends(EmulatedEncapsulationDomRenderer2, _super);\n    function EmulatedEncapsulationDomRenderer2(eventManager, sharedStylesHost, component, appId) {\n        var _this = _super.call(this, eventManager) || this;\n        _this.component = component;\n        var styles = flattenStyles(appId + '-' + component.id, component.styles, []);\n        sharedStylesHost.addStyles(styles);\n        _this.contentAttr = shimContentAttribute(appId + '-' + component.id);\n        _this.hostAttr = shimHostAttribute(appId + '-' + component.id);\n        return _this;\n    }\n    EmulatedEncapsulationDomRenderer2.prototype.applyToHost = function (element) { _super.prototype.setAttribute.call(this, element, this.hostAttr, ''); };\n    EmulatedEncapsulationDomRenderer2.prototype.createElement = function (parent, name) {\n        var el = _super.prototype.createElement.call(this, parent, name);\n        _super.prototype.setAttribute.call(this, el, this.contentAttr, '');\n        return el;\n    };\n    return EmulatedEncapsulationDomRenderer2;\n}(DefaultDomRenderer2));\nvar ShadowDomRenderer = /** @class */ (function (_super) {\n    __extends(ShadowDomRenderer, _super);\n    function ShadowDomRenderer(eventManager, sharedStylesHost, hostEl, component) {\n        var _this = _super.call(this, eventManager) || this;\n        _this.sharedStylesHost = sharedStylesHost;\n        _this.hostEl = hostEl;\n        _this.component = component;\n        if (component.encapsulation === ViewEncapsulation.ShadowDom) {\n            _this.shadowRoot = hostEl.attachShadow({ mode: 'open' });\n        }\n        else {\n            _this.shadowRoot = hostEl.createShadowRoot();\n        }\n        _this.sharedStylesHost.addHost(_this.shadowRoot);\n        var styles = flattenStyles(component.id, component.styles, []);\n        for (var i = 0; i < styles.length; i++) {\n            var styleEl = document.createElement('style');\n            styleEl.textContent = styles[i];\n            _this.shadowRoot.appendChild(styleEl);\n        }\n        return _this;\n    }\n    ShadowDomRenderer.prototype.nodeOrShadowRoot = function (node) { return node === this.hostEl ? this.shadowRoot : node; };\n    ShadowDomRenderer.prototype.destroy = function () { this.sharedStylesHost.removeHost(this.shadowRoot); };\n    ShadowDomRenderer.prototype.appendChild = function (parent, newChild) {\n        return _super.prototype.appendChild.call(this, this.nodeOrShadowRoot(parent), newChild);\n    };\n    ShadowDomRenderer.prototype.insertBefore = function (parent, newChild, refChild) {\n        return _super.prototype.insertBefore.call(this, this.nodeOrShadowRoot(parent), newChild, refChild);\n    };\n    ShadowDomRenderer.prototype.removeChild = function (parent, oldChild) {\n        return _super.prototype.removeChild.call(this, this.nodeOrShadowRoot(parent), oldChild);\n    };\n    ShadowDomRenderer.prototype.parentNode = function (node) {\n        return this.nodeOrShadowRoot(_super.prototype.parentNode.call(this, this.nodeOrShadowRoot(node)));\n    };\n    return ShadowDomRenderer;\n}(DefaultDomRenderer2));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar DomEventsPlugin = /** @class */ (function (_super) {\n    __extends(DomEventsPlugin, _super);\n    function DomEventsPlugin(doc) {\n        return _super.call(this, doc) || this;\n    }\n    // This plugin should come last in the list of plugins, because it accepts all\n    // events.\n    DomEventsPlugin.prototype.supports = function (eventName) { return true; };\n    DomEventsPlugin.prototype.addEventListener = function (element, eventName, handler) {\n        var _this = this;\n        element.addEventListener(eventName, handler, false);\n        return function () { return _this.removeEventListener(element, eventName, handler); };\n    };\n    DomEventsPlugin.prototype.removeEventListener = function (target, eventName, callback) {\n        return target.removeEventListener(eventName, callback);\n    };\n    DomEventsPlugin = __decorate([\n        Injectable(),\n        __param(0, Inject(DOCUMENT)),\n        __metadata(\"design:paramtypes\", [Object])\n    ], DomEventsPlugin);\n    return DomEventsPlugin;\n}(EventManagerPlugin));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Supported HammerJS recognizer event names.\n */\nvar EVENT_NAMES = {\n    // pan\n    'pan': true,\n    'panstart': true,\n    'panmove': true,\n    'panend': true,\n    'pancancel': true,\n    'panleft': true,\n    'panright': true,\n    'panup': true,\n    'pandown': true,\n    // pinch\n    'pinch': true,\n    'pinchstart': true,\n    'pinchmove': true,\n    'pinchend': true,\n    'pinchcancel': true,\n    'pinchin': true,\n    'pinchout': true,\n    // press\n    'press': true,\n    'pressup': true,\n    // rotate\n    'rotate': true,\n    'rotatestart': true,\n    'rotatemove': true,\n    'rotateend': true,\n    'rotatecancel': true,\n    // swipe\n    'swipe': true,\n    'swipeleft': true,\n    'swiperight': true,\n    'swipeup': true,\n    'swipedown': true,\n    // tap\n    'tap': true,\n};\n/**\n * DI token for providing [HammerJS](http://hammerjs.github.io/) support to Angular.\n * @see `HammerGestureConfig`\n *\n * @ngModule HammerModule\n * @publicApi\n */\nvar HAMMER_GESTURE_CONFIG = new InjectionToken('HammerGestureConfig');\n/**\n * Injection token used to provide a {@link HammerLoader} to Angular.\n *\n * @publicApi\n */\nvar HAMMER_LOADER = new InjectionToken('HammerLoader');\n/**\n * An injectable [HammerJS Manager](http://hammerjs.github.io/api/#hammer.manager)\n * for gesture recognition. Configures specific event recognition.\n * @publicApi\n */\nvar HammerGestureConfig = /** @class */ (function () {\n    function HammerGestureConfig() {\n        /**\n         * A set of supported event names for gestures to be used in Angular.\n         * Angular supports all built-in recognizers, as listed in\n         * [HammerJS documentation](http://hammerjs.github.io/).\n         */\n        this.events = [];\n        /**\n        * Maps gesture event names to a set of configuration options\n        * that specify overrides to the default values for specific properties.\n        *\n        * The key is a supported event name to be configured,\n        * and the options object contains a set of properties, with override values\n        * to be applied to the named recognizer event.\n        * For example, to disable recognition of the rotate event, specify\n        *  `{\"rotate\": {\"enable\": false}}`.\n        *\n        * Properties that are not present take the HammerJS default values.\n        * For information about which properties are supported for which events,\n        * and their allowed and default values, see\n        * [HammerJS documentation](http://hammerjs.github.io/).\n        *\n        */\n        this.overrides = {};\n    }\n    /**\n     * Creates a [HammerJS Manager](http://hammerjs.github.io/api/#hammer.manager)\n     * and attaches it to a given HTML element.\n     * @param element The element that will recognize gestures.\n     * @returns A HammerJS event-manager object.\n     */\n    HammerGestureConfig.prototype.buildHammer = function (element) {\n        var mc = new Hammer(element, this.options);\n        mc.get('pinch').set({ enable: true });\n        mc.get('rotate').set({ enable: true });\n        for (var eventName in this.overrides) {\n            mc.get(eventName).set(this.overrides[eventName]);\n        }\n        return mc;\n    };\n    HammerGestureConfig = __decorate([\n        Injectable()\n    ], HammerGestureConfig);\n    return HammerGestureConfig;\n}());\n/**\n * Event plugin that adds Hammer support to an application.\n *\n * @ngModule HammerModule\n */\nvar HammerGesturesPlugin = /** @class */ (function (_super) {\n    __extends(HammerGesturesPlugin, _super);\n    function HammerGesturesPlugin(doc, _config, console, loader) {\n        var _this = _super.call(this, doc) || this;\n        _this._config = _config;\n        _this.console = console;\n        _this.loader = loader;\n        return _this;\n    }\n    HammerGesturesPlugin.prototype.supports = function (eventName) {\n        if (!EVENT_NAMES.hasOwnProperty(eventName.toLowerCase()) && !this.isCustomEvent(eventName)) {\n            return false;\n        }\n        if (!window.Hammer && !this.loader) {\n            this.console.warn(\"The \\\"\" + eventName + \"\\\" event cannot be bound because Hammer.JS is not \" +\n                \"loaded and no custom loader has been specified.\");\n            return false;\n        }\n        return true;\n    };\n    HammerGesturesPlugin.prototype.addEventListener = function (element, eventName, handler) {\n        var _this = this;\n        var zone = this.manager.getZone();\n        eventName = eventName.toLowerCase();\n        // If Hammer is not present but a loader is specified, we defer adding the event listener\n        // until Hammer is loaded.\n        if (!window.Hammer && this.loader) {\n            // This `addEventListener` method returns a function to remove the added listener.\n            // Until Hammer is loaded, the returned function needs to *cancel* the registration rather\n            // than remove anything.\n            var cancelRegistration_1 = false;\n            var deregister_1 = function () { cancelRegistration_1 = true; };\n            this.loader()\n                .then(function () {\n                // If Hammer isn't actually loaded when the custom loader resolves, give up.\n                if (!window.Hammer) {\n                    _this.console.warn(\"The custom HAMMER_LOADER completed, but Hammer.JS is not present.\");\n                    deregister_1 = function () { };\n                    return;\n                }\n                if (!cancelRegistration_1) {\n                    // Now that Hammer is loaded and the listener is being loaded for real,\n                    // the deregistration function changes from canceling registration to removal.\n                    deregister_1 = _this.addEventListener(element, eventName, handler);\n                }\n            })\n                .catch(function () {\n                _this.console.warn(\"The \\\"\" + eventName + \"\\\" event cannot be bound because the custom \" +\n                    \"Hammer.JS loader failed.\");\n                deregister_1 = function () { };\n            });\n            // Return a function that *executes* `deregister` (and not `deregister` itself) so that we\n            // can change the behavior of `deregister` once the listener is added. Using a closure in\n            // this way allows us to avoid any additional data structures to track listener removal.\n            return function () { deregister_1(); };\n        }\n        return zone.runOutsideAngular(function () {\n            // Creating the manager bind events, must be done outside of angular\n            var mc = _this._config.buildHammer(element);\n            var callback = function (eventObj) {\n                zone.runGuarded(function () { handler(eventObj); });\n            };\n            mc.on(eventName, callback);\n            return function () {\n                mc.off(eventName, callback);\n                // destroy mc to prevent memory leak\n                if (typeof mc.destroy === 'function') {\n                    mc.destroy();\n                }\n            };\n        });\n    };\n    HammerGesturesPlugin.prototype.isCustomEvent = function (eventName) { return this._config.events.indexOf(eventName) > -1; };\n    HammerGesturesPlugin = __decorate([\n        Injectable(),\n        __param(0, Inject(DOCUMENT)),\n        __param(1, Inject(HAMMER_GESTURE_CONFIG)),\n        __param(3, Optional()), __param(3, Inject(HAMMER_LOADER)),\n        __metadata(\"design:paramtypes\", [Object, HammerGestureConfig, ɵConsole, Object])\n    ], HammerGesturesPlugin);\n    return HammerGesturesPlugin;\n}(EventManagerPlugin));\n/**\n * In Ivy, support for Hammer gestures is optional, so applications must\n * import the `HammerModule` at root to turn on support. This means that\n * Hammer-specific code can be tree-shaken away if not needed.\n */\nvar HAMMER_PROVIDERS__POST_R3__ = [];\n/**\n * In View Engine, support for Hammer gestures is built-in by default.\n */\nvar HAMMER_PROVIDERS__PRE_R3__ = [\n    {\n        provide: EVENT_MANAGER_PLUGINS,\n        useClass: HammerGesturesPlugin,\n        multi: true,\n        deps: [DOCUMENT, HAMMER_GESTURE_CONFIG, ɵConsole, [new Optional(), HAMMER_LOADER]]\n    },\n    { provide: HAMMER_GESTURE_CONFIG, useClass: HammerGestureConfig, deps: [] },\n];\nvar HAMMER_PROVIDERS = HAMMER_PROVIDERS__PRE_R3__;\n/**\n * Adds support for HammerJS.\n *\n * Import this module at the root of your application so that Angular can work with\n * HammerJS to detect gesture events.\n *\n * Note that applications still need to include the HammerJS script itself. This module\n * simply sets up the coordination layer between HammerJS and Angular's EventManager.\n *\n * @publicApi\n */\nvar HammerModule = /** @class */ (function () {\n    function HammerModule() {\n    }\n    HammerModule = __decorate([\n        NgModule({ providers: HAMMER_PROVIDERS__PRE_R3__ })\n    ], HammerModule);\n    return HammerModule;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Defines supported modifiers for key events.\n */\nvar MODIFIER_KEYS = ['alt', 'control', 'meta', 'shift'];\nvar DOM_KEY_LOCATION_NUMPAD = 3;\n// Map to convert some key or keyIdentifier values to what will be returned by getEventKey\nvar _keyMap = {\n    // The following values are here for cross-browser compatibility and to match the W3C standard\n    // cf http://www.w3.org/TR/DOM-Level-3-Events-key/\n    '\\b': 'Backspace',\n    '\\t': 'Tab',\n    '\\x7F': 'Delete',\n    '\\x1B': 'Escape',\n    'Del': 'Delete',\n    'Esc': 'Escape',\n    'Left': 'ArrowLeft',\n    'Right': 'ArrowRight',\n    'Up': 'ArrowUp',\n    'Down': 'ArrowDown',\n    'Menu': 'ContextMenu',\n    'Scroll': 'ScrollLock',\n    'Win': 'OS'\n};\n// There is a bug in Chrome for numeric keypad keys:\n// https://code.google.com/p/chromium/issues/detail?id=155654\n// 1, 2, 3 ... are reported as A, B, C ...\nvar _chromeNumKeyPadMap = {\n    'A': '1',\n    'B': '2',\n    'C': '3',\n    'D': '4',\n    'E': '5',\n    'F': '6',\n    'G': '7',\n    'H': '8',\n    'I': '9',\n    'J': '*',\n    'K': '+',\n    'M': '-',\n    'N': '.',\n    'O': '/',\n    '\\x60': '0',\n    '\\x90': 'NumLock'\n};\nvar ɵ0$3 = function (event) { return event.altKey; }, ɵ1 = function (event) { return event.ctrlKey; }, ɵ2 = function (event) { return event.metaKey; }, ɵ3 = function (event) { return event.shiftKey; };\n/**\n * Retrieves modifiers from key-event objects.\n */\nvar MODIFIER_KEY_GETTERS = {\n    'alt': ɵ0$3,\n    'control': ɵ1,\n    'meta': ɵ2,\n    'shift': ɵ3\n};\n/**\n * @publicApi\n * A browser plug-in that provides support for handling of key events in Angular.\n */\nvar KeyEventsPlugin = /** @class */ (function (_super) {\n    __extends(KeyEventsPlugin, _super);\n    /**\n     * Initializes an instance of the browser plug-in.\n     * @param doc The document in which key events will be detected.\n     */\n    function KeyEventsPlugin(doc) {\n        return _super.call(this, doc) || this;\n    }\n    KeyEventsPlugin_1 = KeyEventsPlugin;\n    /**\n      * Reports whether a named key event is supported.\n      * @param eventName The event name to query.\n      * @return True if the named key event is supported.\n     */\n    KeyEventsPlugin.prototype.supports = function (eventName) { return KeyEventsPlugin_1.parseEventName(eventName) != null; };\n    /**\n     * Registers a handler for a specific element and key event.\n     * @param element The HTML element to receive event notifications.\n     * @param eventName The name of the key event to listen for.\n     * @param handler A function to call when the notification occurs. Receives the\n     * event object as an argument.\n     * @returns The key event that was registered.\n    */\n    KeyEventsPlugin.prototype.addEventListener = function (element, eventName, handler) {\n        var parsedEvent = KeyEventsPlugin_1.parseEventName(eventName);\n        var outsideHandler = KeyEventsPlugin_1.eventCallback(parsedEvent['fullKey'], handler, this.manager.getZone());\n        return this.manager.getZone().runOutsideAngular(function () {\n            return ɵgetDOM().onAndCancel(element, parsedEvent['domEventName'], outsideHandler);\n        });\n    };\n    KeyEventsPlugin.parseEventName = function (eventName) {\n        var parts = eventName.toLowerCase().split('.');\n        var domEventName = parts.shift();\n        if ((parts.length === 0) || !(domEventName === 'keydown' || domEventName === 'keyup')) {\n            return null;\n        }\n        var key = KeyEventsPlugin_1._normalizeKey(parts.pop());\n        var fullKey = '';\n        MODIFIER_KEYS.forEach(function (modifierName) {\n            var index = parts.indexOf(modifierName);\n            if (index > -1) {\n                parts.splice(index, 1);\n                fullKey += modifierName + '.';\n            }\n        });\n        fullKey += key;\n        if (parts.length != 0 || key.length === 0) {\n            // returning null instead of throwing to let another plugin process the event\n            return null;\n        }\n        var result = {};\n        result['domEventName'] = domEventName;\n        result['fullKey'] = fullKey;\n        return result;\n    };\n    KeyEventsPlugin.getEventFullKey = function (event) {\n        var fullKey = '';\n        var key = getEventKey(event);\n        key = key.toLowerCase();\n        if (key === ' ') {\n            key = 'space'; // for readability\n        }\n        else if (key === '.') {\n            key = 'dot'; // because '.' is used as a separator in event names\n        }\n        MODIFIER_KEYS.forEach(function (modifierName) {\n            if (modifierName != key) {\n                var modifierGetter = MODIFIER_KEY_GETTERS[modifierName];\n                if (modifierGetter(event)) {\n                    fullKey += modifierName + '.';\n                }\n            }\n        });\n        fullKey += key;\n        return fullKey;\n    };\n    /**\n     * Configures a handler callback for a key event.\n     * @param fullKey The event name that combines all simultaneous keystrokes.\n     * @param handler The function that responds to the key event.\n     * @param zone The zone in which the event occurred.\n     * @returns A callback function.\n     */\n    KeyEventsPlugin.eventCallback = function (fullKey, handler, zone) {\n        return function (event /** TODO #9100 */) {\n            if (KeyEventsPlugin_1.getEventFullKey(event) === fullKey) {\n                zone.runGuarded(function () { return handler(event); });\n            }\n        };\n    };\n    /** @internal */\n    KeyEventsPlugin._normalizeKey = function (keyName) {\n        // TODO: switch to a Map if the mapping grows too much\n        switch (keyName) {\n            case 'esc':\n                return 'escape';\n            default:\n                return keyName;\n        }\n    };\n    var KeyEventsPlugin_1;\n    KeyEventsPlugin = KeyEventsPlugin_1 = __decorate([\n        Injectable(),\n        __param(0, Inject(DOCUMENT)),\n        __metadata(\"design:paramtypes\", [Object])\n    ], KeyEventsPlugin);\n    return KeyEventsPlugin;\n}(EventManagerPlugin));\nfunction getEventKey(event) {\n    var key = event.key;\n    if (key == null) {\n        key = event.keyIdentifier;\n        // keyIdentifier is defined in the old draft of DOM Level 3 Events implemented by Chrome and\n        // Safari cf\n        // http://www.w3.org/TR/2007/WD-DOM-Level-3-Events-20071221/events.html#Events-KeyboardEvents-Interfaces\n        if (key == null) {\n            return 'Unidentified';\n        }\n        if (key.startsWith('U+')) {\n            key = String.fromCharCode(parseInt(key.substring(2), 16));\n            if (event.location === DOM_KEY_LOCATION_NUMPAD && _chromeNumKeyPadMap.hasOwnProperty(key)) {\n                // There is a bug in Chrome for numeric keypad keys:\n                // https://code.google.com/p/chromium/issues/detail?id=155654\n                // 1, 2, 3 ... are reported as A, B, C ...\n                key = _chromeNumKeyPadMap[key];\n            }\n        }\n    }\n    return _keyMap[key] || key;\n}\n\n/**\n * DomSanitizer helps preventing Cross Site Scripting Security bugs (XSS) by sanitizing\n * values to be safe to use in the different DOM contexts.\n *\n * For example, when binding a URL in an `<a [href]=\"someValue\">` hyperlink, `someValue` will be\n * sanitized so that an attacker cannot inject e.g. a `javascript:` URL that would execute code on\n * the website.\n *\n * In specific situations, it might be necessary to disable sanitization, for example if the\n * application genuinely needs to produce a `javascript:` style link with a dynamic value in it.\n * Users can bypass security by constructing a value with one of the `bypassSecurityTrust...`\n * methods, and then binding to that value from the template.\n *\n * These situations should be very rare, and extraordinary care must be taken to avoid creating a\n * Cross Site Scripting (XSS) security bug!\n *\n * When using `bypassSecurityTrust...`, make sure to call the method as early as possible and as\n * close as possible to the source of the value, to make it easy to verify no security bug is\n * created by its use.\n *\n * It is not required (and not recommended) to bypass security if the value is safe, e.g. a URL that\n * does not start with a suspicious protocol, or an HTML snippet that does not contain dangerous\n * code. The sanitizer leaves safe values intact.\n *\n * @security Calling any of the `bypassSecurityTrust...` APIs disables Angular's built-in\n * sanitization for the value passed in. Carefully check and audit all values and code paths going\n * into this call. Make sure any user data is appropriately escaped for this security context.\n * For more detail, see the [Security Guide](http://g.co/ng/security).\n *\n * @publicApi\n */\nvar DomSanitizer = /** @class */ (function () {\n    function DomSanitizer() {\n    }\n    DomSanitizer.ɵprov = ɵɵdefineInjectable({ factory: function DomSanitizer_Factory() { return ɵɵinject(DomSanitizerImpl); }, token: DomSanitizer, providedIn: \"root\" });\n    DomSanitizer = __decorate([\n        Injectable({ providedIn: 'root', useExisting: forwardRef(function () { return DomSanitizerImpl; }) })\n    ], DomSanitizer);\n    return DomSanitizer;\n}());\nfunction domSanitizerImplFactory(injector) {\n    return new DomSanitizerImpl(injector.get(DOCUMENT));\n}\nvar DomSanitizerImpl = /** @class */ (function (_super) {\n    __extends(DomSanitizerImpl, _super);\n    function DomSanitizerImpl(_doc) {\n        var _this = _super.call(this) || this;\n        _this._doc = _doc;\n        return _this;\n    }\n    DomSanitizerImpl.prototype.sanitize = function (ctx, value) {\n        if (value == null)\n            return null;\n        switch (ctx) {\n            case SecurityContext.NONE:\n                return value;\n            case SecurityContext.HTML:\n                if (ɵallowSanitizationBypassAndThrow(value, \"HTML\" /* Html */)) {\n                    return ɵunwrapSafeValue(value);\n                }\n                return ɵ_sanitizeHtml(this._doc, String(value));\n            case SecurityContext.STYLE:\n                if (ɵallowSanitizationBypassAndThrow(value, \"Style\" /* Style */)) {\n                    return ɵunwrapSafeValue(value);\n                }\n                return ɵ_sanitizeStyle(value);\n            case SecurityContext.SCRIPT:\n                if (ɵallowSanitizationBypassAndThrow(value, \"Script\" /* Script */)) {\n                    return ɵunwrapSafeValue(value);\n                }\n                throw new Error('unsafe value used in a script context');\n            case SecurityContext.URL:\n                var type = ɵgetSanitizationBypassType(value);\n                if (ɵallowSanitizationBypassAndThrow(value, \"URL\" /* Url */)) {\n                    return ɵunwrapSafeValue(value);\n                }\n                return ɵ_sanitizeUrl(String(value));\n            case SecurityContext.RESOURCE_URL:\n                if (ɵallowSanitizationBypassAndThrow(value, \"ResourceURL\" /* ResourceUrl */)) {\n                    return ɵunwrapSafeValue(value);\n                }\n                throw new Error('unsafe value used in a resource URL context (see http://g.co/ng/security#xss)');\n            default:\n                throw new Error(\"Unexpected SecurityContext \" + ctx + \" (see http://g.co/ng/security#xss)\");\n        }\n    };\n    DomSanitizerImpl.prototype.bypassSecurityTrustHtml = function (value) { return ɵbypassSanitizationTrustHtml(value); };\n    DomSanitizerImpl.prototype.bypassSecurityTrustStyle = function (value) { return ɵbypassSanitizationTrustStyle(value); };\n    DomSanitizerImpl.prototype.bypassSecurityTrustScript = function (value) {\n        return ɵbypassSanitizationTrustScript(value);\n    };\n    DomSanitizerImpl.prototype.bypassSecurityTrustUrl = function (value) { return ɵbypassSanitizationTrustUrl(value); };\n    DomSanitizerImpl.prototype.bypassSecurityTrustResourceUrl = function (value) {\n        return ɵbypassSanitizationTrustResourceUrl(value);\n    };\n    DomSanitizerImpl.ɵprov = ɵɵdefineInjectable({ factory: function DomSanitizerImpl_Factory() { return domSanitizerImplFactory(ɵɵinject(INJECTOR)); }, token: DomSanitizerImpl, providedIn: \"root\" });\n    DomSanitizerImpl = __decorate([\n        Injectable({ providedIn: 'root', useFactory: domSanitizerImplFactory, deps: [Injector] }),\n        __param(0, Inject(DOCUMENT)),\n        __metadata(\"design:paramtypes\", [Object])\n    ], DomSanitizerImpl);\n    return DomSanitizerImpl;\n}(DomSanitizer));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ɵ0$4 = ɵPLATFORM_BROWSER_ID;\nvar INTERNAL_BROWSER_PLATFORM_PROVIDERS = [\n    { provide: PLATFORM_ID, useValue: ɵ0$4 },\n    { provide: PLATFORM_INITIALIZER, useValue: initDomAdapter, multi: true },\n    { provide: DOCUMENT, useFactory: _document, deps: [] },\n];\nvar BROWSER_SANITIZATION_PROVIDERS__PRE_R3__ = [\n    { provide: Sanitizer, useExisting: DomSanitizer },\n    { provide: DomSanitizer, useClass: DomSanitizerImpl, deps: [DOCUMENT] },\n];\nvar BROWSER_SANITIZATION_PROVIDERS__POST_R3__ = [];\n/**\n * @security Replacing built-in sanitization providers exposes the application to XSS risks.\n * Attacker-controlled data introduced by an unsanitized provider could expose your\n * application to XSS risks. For more detail, see the [Security Guide](http://g.co/ng/security).\n * @publicApi\n */\nvar BROWSER_SANITIZATION_PROVIDERS = BROWSER_SANITIZATION_PROVIDERS__PRE_R3__;\n/**\n * @publicApi\n */\nvar platformBrowser = createPlatformFactory(platformCore, 'browser', INTERNAL_BROWSER_PLATFORM_PROVIDERS);\nfunction initDomAdapter() {\n    BrowserDomAdapter.makeCurrent();\n    BrowserGetTestability.init();\n}\nfunction errorHandler() {\n    return new ErrorHandler();\n}\nfunction _document() {\n    // Tell ivy about the global document\n    ɵsetDocument(document);\n    return document;\n}\nvar BROWSER_MODULE_PROVIDERS = [\n    BROWSER_SANITIZATION_PROVIDERS,\n    { provide: ɵINJECTOR_SCOPE, useValue: 'root' },\n    { provide: ErrorHandler, useFactory: errorHandler, deps: [] },\n    {\n        provide: EVENT_MANAGER_PLUGINS,\n        useClass: DomEventsPlugin,\n        multi: true,\n        deps: [DOCUMENT, NgZone, PLATFORM_ID]\n    },\n    { provide: EVENT_MANAGER_PLUGINS, useClass: KeyEventsPlugin, multi: true, deps: [DOCUMENT] },\n    HAMMER_PROVIDERS,\n    {\n        provide: DomRendererFactory2,\n        useClass: DomRendererFactory2,\n        deps: [EventManager, DomSharedStylesHost, APP_ID]\n    },\n    { provide: RendererFactory2, useExisting: DomRendererFactory2 },\n    { provide: SharedStylesHost, useExisting: DomSharedStylesHost },\n    { provide: DomSharedStylesHost, useClass: DomSharedStylesHost, deps: [DOCUMENT] },\n    { provide: Testability, useClass: Testability, deps: [NgZone] },\n    { provide: EventManager, useClass: EventManager, deps: [EVENT_MANAGER_PLUGINS, NgZone] },\n    ELEMENT_PROBE_PROVIDERS,\n];\n/**\n * Exports required infrastructure for all Angular apps.\n * Included by default in all Angular apps created with the CLI\n * `new` command.\n * Re-exports `CommonModule` and `ApplicationModule`, making their\n * exports and providers available to all apps.\n *\n * @publicApi\n */\nvar BrowserModule = /** @class */ (function () {\n    function BrowserModule(parentModule) {\n        if (parentModule) {\n            throw new Error(\"BrowserModule has already been loaded. If you need access to common directives such as NgIf and NgFor from a lazy loaded module, import CommonModule instead.\");\n        }\n    }\n    BrowserModule_1 = BrowserModule;\n    /**\n     * Configures a browser-based app to transition from a server-rendered app, if\n     * one is present on the page.\n     *\n     * @param params An object containing an identifier for the app to transition.\n     * The ID must match between the client and server versions of the app.\n     * @returns The reconfigured `BrowserModule` to import into the app's root `AppModule`.\n     */\n    BrowserModule.withServerTransition = function (params) {\n        return {\n            ngModule: BrowserModule_1,\n            providers: [\n                { provide: APP_ID, useValue: params.appId },\n                { provide: TRANSITION_ID, useExisting: APP_ID },\n                SERVER_TRANSITION_PROVIDERS,\n            ],\n        };\n    };\n    var BrowserModule_1;\n    BrowserModule = BrowserModule_1 = __decorate([\n        NgModule({ providers: BROWSER_MODULE_PROVIDERS, exports: [CommonModule, ApplicationModule] }),\n        __param(0, Optional()), __param(0, SkipSelf()), __param(0, Inject(BrowserModule_1)),\n        __metadata(\"design:paramtypes\", [Object])\n    ], BrowserModule);\n    return BrowserModule;\n}());\n\n/**\n * Factory to create Meta service.\n */\nfunction createMeta() {\n    return new Meta(ɵɵinject(DOCUMENT));\n}\n/**\n * A service that can be used to get and add meta tags.\n *\n * @publicApi\n */\nvar Meta = /** @class */ (function () {\n    function Meta(_doc) {\n        this._doc = _doc;\n        this._dom = ɵgetDOM();\n    }\n    Meta.prototype.addTag = function (tag, forceCreation) {\n        if (forceCreation === void 0) { forceCreation = false; }\n        if (!tag)\n            return null;\n        return this._getOrCreateElement(tag, forceCreation);\n    };\n    Meta.prototype.addTags = function (tags, forceCreation) {\n        var _this = this;\n        if (forceCreation === void 0) { forceCreation = false; }\n        if (!tags)\n            return [];\n        return tags.reduce(function (result, tag) {\n            if (tag) {\n                result.push(_this._getOrCreateElement(tag, forceCreation));\n            }\n            return result;\n        }, []);\n    };\n    Meta.prototype.getTag = function (attrSelector) {\n        if (!attrSelector)\n            return null;\n        return this._doc.querySelector(\"meta[\" + attrSelector + \"]\") || null;\n    };\n    Meta.prototype.getTags = function (attrSelector) {\n        if (!attrSelector)\n            return [];\n        var list /*NodeList*/ = this._doc.querySelectorAll(\"meta[\" + attrSelector + \"]\");\n        return list ? [].slice.call(list) : [];\n    };\n    Meta.prototype.updateTag = function (tag, selector) {\n        if (!tag)\n            return null;\n        selector = selector || this._parseSelector(tag);\n        var meta = this.getTag(selector);\n        if (meta) {\n            return this._setMetaElementAttributes(tag, meta);\n        }\n        return this._getOrCreateElement(tag, true);\n    };\n    Meta.prototype.removeTag = function (attrSelector) { this.removeTagElement(this.getTag(attrSelector)); };\n    Meta.prototype.removeTagElement = function (meta) {\n        if (meta) {\n            this._dom.remove(meta);\n        }\n    };\n    Meta.prototype._getOrCreateElement = function (meta, forceCreation) {\n        if (forceCreation === void 0) { forceCreation = false; }\n        if (!forceCreation) {\n            var selector = this._parseSelector(meta);\n            var elem = this.getTag(selector);\n            // It's allowed to have multiple elements with the same name so it's not enough to\n            // just check that element with the same name already present on the page. We also need to\n            // check if element has tag attributes\n            if (elem && this._containsAttributes(meta, elem))\n                return elem;\n        }\n        var element = this._dom.createElement('meta');\n        this._setMetaElementAttributes(meta, element);\n        var head = this._doc.getElementsByTagName('head')[0];\n        head.appendChild(element);\n        return element;\n    };\n    Meta.prototype._setMetaElementAttributes = function (tag, el) {\n        Object.keys(tag).forEach(function (prop) { return el.setAttribute(prop, tag[prop]); });\n        return el;\n    };\n    Meta.prototype._parseSelector = function (tag) {\n        var attr = tag.name ? 'name' : 'property';\n        return attr + \"=\\\"\" + tag[attr] + \"\\\"\";\n    };\n    Meta.prototype._containsAttributes = function (tag, elem) {\n        return Object.keys(tag).every(function (key) { return elem.getAttribute(key) === tag[key]; });\n    };\n    Meta.ɵprov = ɵɵdefineInjectable({ factory: createMeta, token: Meta, providedIn: \"root\" });\n    Meta = __decorate([\n        Injectable({ providedIn: 'root', useFactory: createMeta, deps: [] }),\n        __param(0, Inject(DOCUMENT)),\n        __metadata(\"design:paramtypes\", [Object])\n    ], Meta);\n    return Meta;\n}());\n\n/**\n * Factory to create Title service.\n */\nfunction createTitle() {\n    return new Title(ɵɵinject(DOCUMENT));\n}\n/**\n * A service that can be used to get and set the title of a current HTML document.\n *\n * Since an Angular application can't be bootstrapped on the entire HTML document (`<html>` tag)\n * it is not possible to bind to the `text` property of the `HTMLTitleElement` elements\n * (representing the `<title>` tag). Instead, this service can be used to set and get the current\n * title value.\n *\n * @publicApi\n */\nvar Title = /** @class */ (function () {\n    function Title(_doc) {\n        this._doc = _doc;\n    }\n    /**\n     * Get the title of the current HTML document.\n     */\n    Title.prototype.getTitle = function () { return this._doc.title; };\n    /**\n     * Set the title of the current HTML document.\n     * @param newTitle\n     */\n    Title.prototype.setTitle = function (newTitle) { this._doc.title = newTitle || ''; };\n    Title.ɵprov = ɵɵdefineInjectable({ factory: createTitle, token: Title, providedIn: \"root\" });\n    Title = __decorate([\n        Injectable({ providedIn: 'root', useFactory: createTitle, deps: [] }),\n        __param(0, Inject(DOCUMENT)),\n        __metadata(\"design:paramtypes\", [Object])\n    ], Title);\n    return Title;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar win = typeof window !== 'undefined' && window || {};\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ChangeDetectionPerfRecord = /** @class */ (function () {\n    function ChangeDetectionPerfRecord(msPerTick, numTicks) {\n        this.msPerTick = msPerTick;\n        this.numTicks = numTicks;\n    }\n    return ChangeDetectionPerfRecord;\n}());\n/**\n * Entry point for all Angular profiling-related debug tools. This object\n * corresponds to the `ng.profiler` in the dev console.\n */\nvar AngularProfiler = /** @class */ (function () {\n    function AngularProfiler(ref) {\n        this.appRef = ref.injector.get(ApplicationRef);\n    }\n    // tslint:disable:no-console\n    /**\n     * Exercises change detection in a loop and then prints the average amount of\n     * time in milliseconds how long a single round of change detection takes for\n     * the current state of the UI. It runs a minimum of 5 rounds for a minimum\n     * of 500 milliseconds.\n     *\n     * Optionally, a user may pass a `config` parameter containing a map of\n     * options. Supported options are:\n     *\n     * `record` (boolean) - causes the profiler to record a CPU profile while\n     * it exercises the change detector. Example:\n     *\n     * ```\n     * ng.profiler.timeChangeDetection({record: true})\n     * ```\n     */\n    AngularProfiler.prototype.timeChangeDetection = function (config) {\n        var record = config && config['record'];\n        var profileName = 'Change Detection';\n        // Profiler is not available in Android browsers, nor in IE 9 without dev tools opened\n        var isProfilerAvailable = win.console.profile != null;\n        if (record && isProfilerAvailable) {\n            win.console.profile(profileName);\n        }\n        var start = ɵgetDOM().performanceNow();\n        var numTicks = 0;\n        while (numTicks < 5 || (ɵgetDOM().performanceNow() - start) < 500) {\n            this.appRef.tick();\n            numTicks++;\n        }\n        var end = ɵgetDOM().performanceNow();\n        if (record && isProfilerAvailable) {\n            win.console.profileEnd(profileName);\n        }\n        var msPerTick = (end - start) / numTicks;\n        win.console.log(\"ran \" + numTicks + \" change detection cycles\");\n        win.console.log(msPerTick.toFixed(2) + \" ms per check\");\n        return new ChangeDetectionPerfRecord(msPerTick, numTicks);\n    };\n    return AngularProfiler;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar PROFILER_GLOBAL_NAME = 'profiler';\n/**\n * Enabled Angular debug tools that are accessible via your browser's\n * developer console.\n *\n * Usage:\n *\n * 1. Open developer console (e.g. in Chrome Ctrl + Shift + j)\n * 1. Type `ng.` (usually the console will show auto-complete suggestion)\n * 1. Try the change detection profiler `ng.profiler.timeChangeDetection()`\n *    then hit Enter.\n *\n * @publicApi\n */\nfunction enableDebugTools(ref) {\n    exportNgVar(PROFILER_GLOBAL_NAME, new AngularProfiler(ref));\n    return ref;\n}\n/**\n * Disables Angular tools.\n *\n * @publicApi\n */\nfunction disableDebugTools() {\n    exportNgVar(PROFILER_GLOBAL_NAME, null);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction escapeHtml(text) {\n    var escapedText = {\n        '&': '&a;',\n        '\"': '&q;',\n        '\\'': '&s;',\n        '<': '&l;',\n        '>': '&g;',\n    };\n    return text.replace(/[&\"'<>]/g, function (s) { return escapedText[s]; });\n}\nfunction unescapeHtml(text) {\n    var unescapedText = {\n        '&a;': '&',\n        '&q;': '\"',\n        '&s;': '\\'',\n        '&l;': '<',\n        '&g;': '>',\n    };\n    return text.replace(/&[^;]+;/g, function (s) { return unescapedText[s]; });\n}\n/**\n * Create a `StateKey<T>` that can be used to store value of type T with `TransferState`.\n *\n * Example:\n *\n * ```\n * const COUNTER_KEY = makeStateKey<number>('counter');\n * let value = 10;\n *\n * transferState.set(COUNTER_KEY, value);\n * ```\n *\n * @publicApi\n */\nfunction makeStateKey(key) {\n    return key;\n}\n/**\n * A key value store that is transferred from the application on the server side to the application\n * on the client side.\n *\n * `TransferState` will be available as an injectable token. To use it import\n * `ServerTransferStateModule` on the server and `BrowserTransferStateModule` on the client.\n *\n * The values in the store are serialized/deserialized using JSON.stringify/JSON.parse. So only\n * boolean, number, string, null and non-class objects will be serialized and deserialzied in a\n * non-lossy manner.\n *\n * @publicApi\n */\nvar TransferState = /** @class */ (function () {\n    function TransferState() {\n        this.store = {};\n        this.onSerializeCallbacks = {};\n    }\n    TransferState_1 = TransferState;\n    /** @internal */\n    TransferState.init = function (initState) {\n        var transferState = new TransferState_1();\n        transferState.store = initState;\n        return transferState;\n    };\n    /**\n     * Get the value corresponding to a key. Return `defaultValue` if key is not found.\n     */\n    TransferState.prototype.get = function (key, defaultValue) {\n        return this.store[key] !== undefined ? this.store[key] : defaultValue;\n    };\n    /**\n     * Set the value corresponding to a key.\n     */\n    TransferState.prototype.set = function (key, value) { this.store[key] = value; };\n    /**\n     * Remove a key from the store.\n     */\n    TransferState.prototype.remove = function (key) { delete this.store[key]; };\n    /**\n     * Test whether a key exists in the store.\n     */\n    TransferState.prototype.hasKey = function (key) { return this.store.hasOwnProperty(key); };\n    /**\n     * Register a callback to provide the value for a key when `toJson` is called.\n     */\n    TransferState.prototype.onSerialize = function (key, callback) {\n        this.onSerializeCallbacks[key] = callback;\n    };\n    /**\n     * Serialize the current state of the store to JSON.\n     */\n    TransferState.prototype.toJson = function () {\n        // Call the onSerialize callbacks and put those values into the store.\n        for (var key in this.onSerializeCallbacks) {\n            if (this.onSerializeCallbacks.hasOwnProperty(key)) {\n                try {\n                    this.store[key] = this.onSerializeCallbacks[key]();\n                }\n                catch (e) {\n                    console.warn('Exception in onSerialize callback: ', e);\n                }\n            }\n        }\n        return JSON.stringify(this.store);\n    };\n    var TransferState_1;\n    TransferState = TransferState_1 = __decorate([\n        Injectable()\n    ], TransferState);\n    return TransferState;\n}());\nfunction initTransferState(doc, appId) {\n    // Locate the script tag with the JSON data transferred from the server.\n    // The id of the script tag is set to the Angular appId + 'state'.\n    var script = doc.getElementById(appId + '-state');\n    var initialState = {};\n    if (script && script.textContent) {\n        try {\n            initialState = JSON.parse(unescapeHtml(script.textContent));\n        }\n        catch (e) {\n            console.warn('Exception while restoring TransferState for app ' + appId, e);\n        }\n    }\n    return TransferState.init(initialState);\n}\n/**\n * NgModule to install on the client side while using the `TransferState` to transfer state from\n * server to client.\n *\n * @publicApi\n */\nvar BrowserTransferStateModule = /** @class */ (function () {\n    function BrowserTransferStateModule() {\n    }\n    BrowserTransferStateModule = __decorate([\n        NgModule({\n            providers: [{ provide: TransferState, useFactory: initTransferState, deps: [DOCUMENT, APP_ID] }],\n        })\n    ], BrowserTransferStateModule);\n    return BrowserTransferStateModule;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Predicates for use with {@link DebugElement}'s query functions.\n *\n * @publicApi\n */\nvar By = /** @class */ (function () {\n    function By() {\n    }\n    /**\n     * Match all nodes.\n     *\n     * @usageNotes\n     * ### Example\n     *\n     * {@example platform-browser/dom/debug/ts/by/by.ts region='by_all'}\n     */\n    By.all = function () { return function () { return true; }; };\n    /**\n     * Match elements by the given CSS selector.\n     *\n     * @usageNotes\n     * ### Example\n     *\n     * {@example platform-browser/dom/debug/ts/by/by.ts region='by_css'}\n     */\n    By.css = function (selector) {\n        return function (debugElement) {\n            return debugElement.nativeElement != null ?\n                elementMatches(debugElement.nativeElement, selector) :\n                false;\n        };\n    };\n    /**\n     * Match nodes that have the given directive present.\n     *\n     * @usageNotes\n     * ### Example\n     *\n     * {@example platform-browser/dom/debug/ts/by/by.ts region='by_directive'}\n     */\n    By.directive = function (type) {\n        return function (debugNode) { return debugNode.providerTokens.indexOf(type) !== -1; };\n    };\n    return By;\n}());\nfunction elementMatches(n, selector) {\n    if (ɵgetDOM().isElementNode(n)) {\n        return n.matches && n.matches(selector) ||\n            n.msMatchesSelector && n.msMatchesSelector(selector) ||\n            n.webkitMatchesSelector && n.webkitMatchesSelector(selector);\n    }\n    return false;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @publicApi\n */\nvar VERSION = new Version('9.0.0');\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// This file only reexports content of the `src` folder. Keep it that way.\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { BrowserModule, BrowserTransferStateModule, By, DomSanitizer, EVENT_MANAGER_PLUGINS, EventManager, HAMMER_GESTURE_CONFIG, HAMMER_LOADER, HammerGestureConfig, HammerModule, Meta, Title, TransferState, VERSION, disableDebugTools, enableDebugTools, makeStateKey, platformBrowser, BROWSER_SANITIZATION_PROVIDERS as ɵBROWSER_SANITIZATION_PROVIDERS, BROWSER_SANITIZATION_PROVIDERS__POST_R3__ as ɵBROWSER_SANITIZATION_PROVIDERS__POST_R3__, BrowserDomAdapter as ɵBrowserDomAdapter, BrowserGetTestability as ɵBrowserGetTestability, DomEventsPlugin as ɵDomEventsPlugin, DomRendererFactory2 as ɵDomRendererFactory2, DomSanitizerImpl as ɵDomSanitizerImpl, DomSharedStylesHost as ɵDomSharedStylesHost, ELEMENT_PROBE_PROVIDERS as ɵELEMENT_PROBE_PROVIDERS, ELEMENT_PROBE_PROVIDERS__POST_R3__ as ɵELEMENT_PROBE_PROVIDERS__POST_R3__, HAMMER_PROVIDERS__POST_R3__ as ɵHAMMER_PROVIDERS__POST_R3__, HammerGesturesPlugin as ɵHammerGesturesPlugin, INTERNAL_BROWSER_PLATFORM_PROVIDERS as ɵINTERNAL_BROWSER_PLATFORM_PROVIDERS, KeyEventsPlugin as ɵKeyEventsPlugin, NAMESPACE_URIS as ɵNAMESPACE_URIS, SharedStylesHost as ɵSharedStylesHost, TRANSITION_ID as ɵTRANSITION_ID, errorHandler as ɵangular_packages_platform_browser_platform_browser_a, _document as ɵangular_packages_platform_browser_platform_browser_b, BROWSER_MODULE_PROVIDERS as ɵangular_packages_platform_browser_platform_browser_c, createMeta as ɵangular_packages_platform_browser_platform_browser_d, createTitle as ɵangular_packages_platform_browser_platform_browser_e, initTransferState as ɵangular_packages_platform_browser_platform_browser_f, EventManagerPlugin as ɵangular_packages_platform_browser_platform_browser_g, HAMMER_PROVIDERS__PRE_R3__ as ɵangular_packages_platform_browser_platform_browser_h, HAMMER_PROVIDERS as ɵangular_packages_platform_browser_platform_browser_i, domSanitizerImplFactory as ɵangular_packages_platform_browser_platform_browser_j, appInitializerFactory as ɵangular_packages_platform_browser_platform_browser_k, SERVER_TRANSITION_PROVIDERS as ɵangular_packages_platform_browser_platform_browser_l, _createNgProbeR2 as ɵangular_packages_platform_browser_platform_browser_m, ELEMENT_PROBE_PROVIDERS__PRE_R3__ as ɵangular_packages_platform_browser_platform_browser_n, GenericBrowserDomAdapter as ɵangular_packages_platform_browser_platform_browser_o, escapeHtml as ɵescapeHtml, flattenStyles as ɵflattenStyles, initDomAdapter as ɵinitDomAdapter, shimContentAttribute as ɵshimContentAttribute, shimHostAttribute as ɵshimHostAttribute };\n","/**\n * @license Angular v9.0.0\n * (c) 2010-2020 Google LLC. https://angular.io/\n * License: MIT\n */\n\nimport { __extends, __decorate, __param, __metadata, __read, __spread } from 'tslib';\nimport { ViewEncapsulation, Injectable, Inject, RendererFactory2, NgZone, InjectionToken, NgModule } from '@angular/core';\nimport { ɵDomRendererFactory2, BrowserModule } from '@angular/platform-browser';\nimport { sequence, AnimationBuilder, AnimationFactory } from '@angular/animations';\nimport { ɵAnimationEngine, AnimationDriver, ɵAnimationStyleNormalizer, ɵsupportsWebAnimations, ɵWebAnimationsDriver, ɵCssKeyframesDriver, ɵWebAnimationsStyleNormalizer, ɵNoopAnimationDriver } from '@angular/animations/browser';\nimport { DOCUMENT } from '@angular/common';\n\nvar BrowserAnimationBuilder = /** @class */ (function (_super) {\n    __extends(BrowserAnimationBuilder, _super);\n    function BrowserAnimationBuilder(rootRenderer, doc) {\n        var _this = _super.call(this) || this;\n        _this._nextAnimationId = 0;\n        var typeData = {\n            id: '0',\n            encapsulation: ViewEncapsulation.None,\n            styles: [],\n            data: { animation: [] }\n        };\n        _this._renderer = rootRenderer.createRenderer(doc.body, typeData);\n        return _this;\n    }\n    BrowserAnimationBuilder.prototype.build = function (animation) {\n        var id = this._nextAnimationId.toString();\n        this._nextAnimationId++;\n        var entry = Array.isArray(animation) ? sequence(animation) : animation;\n        issueAnimationCommand(this._renderer, null, id, 'register', [entry]);\n        return new BrowserAnimationFactory(id, this._renderer);\n    };\n    BrowserAnimationBuilder = __decorate([\n        Injectable(),\n        __param(1, Inject(DOCUMENT)),\n        __metadata(\"design:paramtypes\", [RendererFactory2, Object])\n    ], BrowserAnimationBuilder);\n    return BrowserAnimationBuilder;\n}(AnimationBuilder));\nvar BrowserAnimationFactory = /** @class */ (function (_super) {\n    __extends(BrowserAnimationFactory, _super);\n    function BrowserAnimationFactory(_id, _renderer) {\n        var _this = _super.call(this) || this;\n        _this._id = _id;\n        _this._renderer = _renderer;\n        return _this;\n    }\n    BrowserAnimationFactory.prototype.create = function (element, options) {\n        return new RendererAnimationPlayer(this._id, element, options || {}, this._renderer);\n    };\n    return BrowserAnimationFactory;\n}(AnimationFactory));\nvar RendererAnimationPlayer = /** @class */ (function () {\n    function RendererAnimationPlayer(id, element, options, _renderer) {\n        this.id = id;\n        this.element = element;\n        this._renderer = _renderer;\n        this.parentPlayer = null;\n        this._started = false;\n        this.totalTime = 0;\n        this._command('create', options);\n    }\n    RendererAnimationPlayer.prototype._listen = function (eventName, callback) {\n        return this._renderer.listen(this.element, \"@@\" + this.id + \":\" + eventName, callback);\n    };\n    RendererAnimationPlayer.prototype._command = function (command) {\n        var args = [];\n        for (var _i = 1; _i < arguments.length; _i++) {\n            args[_i - 1] = arguments[_i];\n        }\n        return issueAnimationCommand(this._renderer, this.element, this.id, command, args);\n    };\n    RendererAnimationPlayer.prototype.onDone = function (fn) { this._listen('done', fn); };\n    RendererAnimationPlayer.prototype.onStart = function (fn) { this._listen('start', fn); };\n    RendererAnimationPlayer.prototype.onDestroy = function (fn) { this._listen('destroy', fn); };\n    RendererAnimationPlayer.prototype.init = function () { this._command('init'); };\n    RendererAnimationPlayer.prototype.hasStarted = function () { return this._started; };\n    RendererAnimationPlayer.prototype.play = function () {\n        this._command('play');\n        this._started = true;\n    };\n    RendererAnimationPlayer.prototype.pause = function () { this._command('pause'); };\n    RendererAnimationPlayer.prototype.restart = function () { this._command('restart'); };\n    RendererAnimationPlayer.prototype.finish = function () { this._command('finish'); };\n    RendererAnimationPlayer.prototype.destroy = function () { this._command('destroy'); };\n    RendererAnimationPlayer.prototype.reset = function () { this._command('reset'); };\n    RendererAnimationPlayer.prototype.setPosition = function (p) { this._command('setPosition', p); };\n    RendererAnimationPlayer.prototype.getPosition = function () { return 0; };\n    return RendererAnimationPlayer;\n}());\nfunction issueAnimationCommand(renderer, element, id, command, args) {\n    return renderer.setProperty(element, \"@@\" + id + \":\" + command, args);\n}\n\nvar ANIMATION_PREFIX = '@';\nvar DISABLE_ANIMATIONS_FLAG = '@.disabled';\nvar AnimationRendererFactory = /** @class */ (function () {\n    function AnimationRendererFactory(delegate, engine, _zone) {\n        this.delegate = delegate;\n        this.engine = engine;\n        this._zone = _zone;\n        this._currentId = 0;\n        this._microtaskId = 1;\n        this._animationCallbacksBuffer = [];\n        this._rendererCache = new Map();\n        this._cdRecurDepth = 0;\n        this.promise = Promise.resolve(0);\n        engine.onRemovalComplete = function (element, delegate) {\n            // Note: if an component element has a leave animation, and the component\n            // a host leave animation, the view engine will call `removeChild` for the parent\n            // component renderer as well as for the child component renderer.\n            // Therefore, we need to check if we already removed the element.\n            if (delegate && delegate.parentNode(element)) {\n                delegate.removeChild(element.parentNode, element);\n            }\n        };\n    }\n    AnimationRendererFactory.prototype.createRenderer = function (hostElement, type) {\n        var _this = this;\n        var EMPTY_NAMESPACE_ID = '';\n        // cache the delegates to find out which cached delegate can\n        // be used by which cached renderer\n        var delegate = this.delegate.createRenderer(hostElement, type);\n        if (!hostElement || !type || !type.data || !type.data['animation']) {\n            var renderer = this._rendererCache.get(delegate);\n            if (!renderer) {\n                renderer = new BaseAnimationRenderer(EMPTY_NAMESPACE_ID, delegate, this.engine);\n                // only cache this result when the base renderer is used\n                this._rendererCache.set(delegate, renderer);\n            }\n            return renderer;\n        }\n        var componentId = type.id;\n        var namespaceId = type.id + '-' + this._currentId;\n        this._currentId++;\n        this.engine.register(namespaceId, hostElement);\n        var registerTrigger = function (trigger) {\n            if (Array.isArray(trigger)) {\n                trigger.forEach(registerTrigger);\n            }\n            else {\n                _this.engine.registerTrigger(componentId, namespaceId, hostElement, trigger.name, trigger);\n            }\n        };\n        var animationTriggers = type.data['animation'];\n        animationTriggers.forEach(registerTrigger);\n        return new AnimationRenderer(this, namespaceId, delegate, this.engine);\n    };\n    AnimationRendererFactory.prototype.begin = function () {\n        this._cdRecurDepth++;\n        if (this.delegate.begin) {\n            this.delegate.begin();\n        }\n    };\n    AnimationRendererFactory.prototype._scheduleCountTask = function () {\n        var _this = this;\n        // always use promise to schedule microtask instead of use Zone\n        this.promise.then(function () { _this._microtaskId++; });\n    };\n    /** @internal */\n    AnimationRendererFactory.prototype.scheduleListenerCallback = function (count, fn, data) {\n        var _this = this;\n        if (count >= 0 && count < this._microtaskId) {\n            this._zone.run(function () { return fn(data); });\n            return;\n        }\n        if (this._animationCallbacksBuffer.length == 0) {\n            Promise.resolve(null).then(function () {\n                _this._zone.run(function () {\n                    _this._animationCallbacksBuffer.forEach(function (tuple) {\n                        var _a = __read(tuple, 2), fn = _a[0], data = _a[1];\n                        fn(data);\n                    });\n                    _this._animationCallbacksBuffer = [];\n                });\n            });\n        }\n        this._animationCallbacksBuffer.push([fn, data]);\n    };\n    AnimationRendererFactory.prototype.end = function () {\n        var _this = this;\n        this._cdRecurDepth--;\n        // this is to prevent animations from running twice when an inner\n        // component does CD when a parent component instead has inserted it\n        if (this._cdRecurDepth == 0) {\n            this._zone.runOutsideAngular(function () {\n                _this._scheduleCountTask();\n                _this.engine.flush(_this._microtaskId);\n            });\n        }\n        if (this.delegate.end) {\n            this.delegate.end();\n        }\n    };\n    AnimationRendererFactory.prototype.whenRenderingDone = function () { return this.engine.whenRenderingDone(); };\n    AnimationRendererFactory = __decorate([\n        Injectable(),\n        __metadata(\"design:paramtypes\", [RendererFactory2, ɵAnimationEngine, NgZone])\n    ], AnimationRendererFactory);\n    return AnimationRendererFactory;\n}());\nvar BaseAnimationRenderer = /** @class */ (function () {\n    function BaseAnimationRenderer(namespaceId, delegate, engine) {\n        this.namespaceId = namespaceId;\n        this.delegate = delegate;\n        this.engine = engine;\n        this.destroyNode = this.delegate.destroyNode ? function (n) { return delegate.destroyNode(n); } : null;\n    }\n    Object.defineProperty(BaseAnimationRenderer.prototype, \"data\", {\n        get: function () { return this.delegate.data; },\n        enumerable: true,\n        configurable: true\n    });\n    BaseAnimationRenderer.prototype.destroy = function () {\n        this.engine.destroy(this.namespaceId, this.delegate);\n        this.delegate.destroy();\n    };\n    BaseAnimationRenderer.prototype.createElement = function (name, namespace) {\n        return this.delegate.createElement(name, namespace);\n    };\n    BaseAnimationRenderer.prototype.createComment = function (value) { return this.delegate.createComment(value); };\n    BaseAnimationRenderer.prototype.createText = function (value) { return this.delegate.createText(value); };\n    BaseAnimationRenderer.prototype.appendChild = function (parent, newChild) {\n        this.delegate.appendChild(parent, newChild);\n        this.engine.onInsert(this.namespaceId, newChild, parent, false);\n    };\n    BaseAnimationRenderer.prototype.insertBefore = function (parent, newChild, refChild) {\n        this.delegate.insertBefore(parent, newChild, refChild);\n        this.engine.onInsert(this.namespaceId, newChild, parent, true);\n    };\n    BaseAnimationRenderer.prototype.removeChild = function (parent, oldChild, isHostElement) {\n        this.engine.onRemove(this.namespaceId, oldChild, this.delegate, isHostElement);\n    };\n    BaseAnimationRenderer.prototype.selectRootElement = function (selectorOrNode, preserveContent) {\n        return this.delegate.selectRootElement(selectorOrNode, preserveContent);\n    };\n    BaseAnimationRenderer.prototype.parentNode = function (node) { return this.delegate.parentNode(node); };\n    BaseAnimationRenderer.prototype.nextSibling = function (node) { return this.delegate.nextSibling(node); };\n    BaseAnimationRenderer.prototype.setAttribute = function (el, name, value, namespace) {\n        this.delegate.setAttribute(el, name, value, namespace);\n    };\n    BaseAnimationRenderer.prototype.removeAttribute = function (el, name, namespace) {\n        this.delegate.removeAttribute(el, name, namespace);\n    };\n    BaseAnimationRenderer.prototype.addClass = function (el, name) { this.delegate.addClass(el, name); };\n    BaseAnimationRenderer.prototype.removeClass = function (el, name) { this.delegate.removeClass(el, name); };\n    BaseAnimationRenderer.prototype.setStyle = function (el, style, value, flags) {\n        this.delegate.setStyle(el, style, value, flags);\n    };\n    BaseAnimationRenderer.prototype.removeStyle = function (el, style, flags) {\n        this.delegate.removeStyle(el, style, flags);\n    };\n    BaseAnimationRenderer.prototype.setProperty = function (el, name, value) {\n        if (name.charAt(0) == ANIMATION_PREFIX && name == DISABLE_ANIMATIONS_FLAG) {\n            this.disableAnimations(el, !!value);\n        }\n        else {\n            this.delegate.setProperty(el, name, value);\n        }\n    };\n    BaseAnimationRenderer.prototype.setValue = function (node, value) { this.delegate.setValue(node, value); };\n    BaseAnimationRenderer.prototype.listen = function (target, eventName, callback) {\n        return this.delegate.listen(target, eventName, callback);\n    };\n    BaseAnimationRenderer.prototype.disableAnimations = function (element, value) {\n        this.engine.disableAnimations(element, value);\n    };\n    return BaseAnimationRenderer;\n}());\nvar AnimationRenderer = /** @class */ (function (_super) {\n    __extends(AnimationRenderer, _super);\n    function AnimationRenderer(factory, namespaceId, delegate, engine) {\n        var _this = _super.call(this, namespaceId, delegate, engine) || this;\n        _this.factory = factory;\n        _this.namespaceId = namespaceId;\n        return _this;\n    }\n    AnimationRenderer.prototype.setProperty = function (el, name, value) {\n        if (name.charAt(0) == ANIMATION_PREFIX) {\n            if (name.charAt(1) == '.' && name == DISABLE_ANIMATIONS_FLAG) {\n                value = value === undefined ? true : !!value;\n                this.disableAnimations(el, value);\n            }\n            else {\n                this.engine.process(this.namespaceId, el, name.substr(1), value);\n            }\n        }\n        else {\n            this.delegate.setProperty(el, name, value);\n        }\n    };\n    AnimationRenderer.prototype.listen = function (target, eventName, callback) {\n        var _a;\n        var _this = this;\n        if (eventName.charAt(0) == ANIMATION_PREFIX) {\n            var element = resolveElementFromTarget(target);\n            var name_1 = eventName.substr(1);\n            var phase = '';\n            // @listener.phase is for trigger animation callbacks\n            // @@listener is for animation builder callbacks\n            if (name_1.charAt(0) != ANIMATION_PREFIX) {\n                _a = __read(parseTriggerCallbackName(name_1), 2), name_1 = _a[0], phase = _a[1];\n            }\n            return this.engine.listen(this.namespaceId, element, name_1, phase, function (event) {\n                var countId = event['_data'] || -1;\n                _this.factory.scheduleListenerCallback(countId, callback, event);\n            });\n        }\n        return this.delegate.listen(target, eventName, callback);\n    };\n    return AnimationRenderer;\n}(BaseAnimationRenderer));\nfunction resolveElementFromTarget(target) {\n    switch (target) {\n        case 'body':\n            return document.body;\n        case 'document':\n            return document;\n        case 'window':\n            return window;\n        default:\n            return target;\n    }\n}\nfunction parseTriggerCallbackName(triggerName) {\n    var dotIndex = triggerName.indexOf('.');\n    var trigger = triggerName.substring(0, dotIndex);\n    var phase = triggerName.substr(dotIndex + 1);\n    return [trigger, phase];\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar InjectableAnimationEngine = /** @class */ (function (_super) {\n    __extends(InjectableAnimationEngine, _super);\n    function InjectableAnimationEngine(doc, driver, normalizer) {\n        return _super.call(this, doc.body, driver, normalizer) || this;\n    }\n    InjectableAnimationEngine = __decorate([\n        Injectable(),\n        __param(0, Inject(DOCUMENT)),\n        __metadata(\"design:paramtypes\", [Object, AnimationDriver, ɵAnimationStyleNormalizer])\n    ], InjectableAnimationEngine);\n    return InjectableAnimationEngine;\n}(ɵAnimationEngine));\nfunction instantiateSupportedAnimationDriver() {\n    return ɵsupportsWebAnimations() ? new ɵWebAnimationsDriver() : new ɵCssKeyframesDriver();\n}\nfunction instantiateDefaultStyleNormalizer() {\n    return new ɵWebAnimationsStyleNormalizer();\n}\nfunction instantiateRendererFactory(renderer, engine, zone) {\n    return new AnimationRendererFactory(renderer, engine, zone);\n}\n/**\n * @publicApi\n */\nvar ANIMATION_MODULE_TYPE = new InjectionToken('AnimationModuleType');\nvar SHARED_ANIMATION_PROVIDERS = [\n    { provide: AnimationBuilder, useClass: BrowserAnimationBuilder },\n    { provide: ɵAnimationStyleNormalizer, useFactory: instantiateDefaultStyleNormalizer },\n    { provide: ɵAnimationEngine, useClass: InjectableAnimationEngine }, {\n        provide: RendererFactory2,\n        useFactory: instantiateRendererFactory,\n        deps: [ɵDomRendererFactory2, ɵAnimationEngine, NgZone]\n    }\n];\n/**\n * Separate providers from the actual module so that we can do a local modification in Google3 to\n * include them in the BrowserModule.\n */\nvar BROWSER_ANIMATIONS_PROVIDERS = __spread([\n    { provide: AnimationDriver, useFactory: instantiateSupportedAnimationDriver },\n    { provide: ANIMATION_MODULE_TYPE, useValue: 'BrowserAnimations' }\n], SHARED_ANIMATION_PROVIDERS);\n/**\n * Separate providers from the actual module so that we can do a local modification in Google3 to\n * include them in the BrowserTestingModule.\n */\nvar BROWSER_NOOP_ANIMATIONS_PROVIDERS = __spread([\n    { provide: AnimationDriver, useClass: ɵNoopAnimationDriver },\n    { provide: ANIMATION_MODULE_TYPE, useValue: 'NoopAnimations' }\n], SHARED_ANIMATION_PROVIDERS);\n\n/**\n * Exports `BrowserModule` with additional [dependency-injection providers](guide/glossary#provider)\n * for use with animations. See [Animations](guide/animations).\n * @publicApi\n */\nvar BrowserAnimationsModule = /** @class */ (function () {\n    function BrowserAnimationsModule() {\n    }\n    BrowserAnimationsModule = __decorate([\n        NgModule({\n            exports: [BrowserModule],\n            providers: BROWSER_ANIMATIONS_PROVIDERS,\n        })\n    ], BrowserAnimationsModule);\n    return BrowserAnimationsModule;\n}());\n/**\n * A null player that must be imported to allow disabling of animations.\n * @publicApi\n */\nvar NoopAnimationsModule = /** @class */ (function () {\n    function NoopAnimationsModule() {\n    }\n    NoopAnimationsModule = __decorate([\n        NgModule({\n            exports: [BrowserModule],\n            providers: BROWSER_NOOP_ANIMATIONS_PROVIDERS,\n        })\n    ], NoopAnimationsModule);\n    return NoopAnimationsModule;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { ANIMATION_MODULE_TYPE, BrowserAnimationsModule, NoopAnimationsModule, AnimationRenderer as ɵAnimationRenderer, AnimationRendererFactory as ɵAnimationRendererFactory, BrowserAnimationBuilder as ɵBrowserAnimationBuilder, BrowserAnimationFactory as ɵBrowserAnimationFactory, InjectableAnimationEngine as ɵInjectableAnimationEngine, instantiateSupportedAnimationDriver as ɵangular_packages_platform_browser_animations_animations_a, instantiateDefaultStyleNormalizer as ɵangular_packages_platform_browser_animations_animations_b, instantiateRendererFactory as ɵangular_packages_platform_browser_animations_animations_c, BROWSER_ANIMATIONS_PROVIDERS as ɵangular_packages_platform_browser_animations_animations_d, BROWSER_NOOP_ANIMATIONS_PROVIDERS as ɵangular_packages_platform_browser_animations_animations_e, BaseAnimationRenderer as ɵangular_packages_platform_browser_animations_animations_f };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar coordsOffsetMap = {\n  '南海诸岛': [32, 80],\n  // 全国\n  '广东': [0, -10],\n  '香港': [10, 5],\n  '澳门': [-10, 10],\n  //'北京': [-10, 0],\n  '天津': [5, 5]\n};\nexport default function fixTextCoords(mapType, region) {\n  if (mapType === 'china') {\n    var coordFix = coordsOffsetMap[region.name];\n\n    if (coordFix) {\n      var cp = region.getCenter();\n      cp[0] += coordFix[0] / 10.5;\n      cp[1] += -coordFix[1] / (10.5 / 0.75);\n      region.setCenter(cp);\n    }\n  }\n}","import { coerceElement, coerceBooleanProperty, coerceNumberProperty } from '@angular/cdk/coercion';\nimport { Injectable, ɵɵdefineInjectable, ɵɵinject, EventEmitter, Directive, ElementRef, NgZone, Output, Input, NgModule } from '@angular/core';\nimport { Observable, Subject } from 'rxjs';\nimport { debounceTime } from 'rxjs/operators';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Factory that creates a new MutationObserver and allows us to stub it out in unit tests.\n * @docs-private\n */\nvar MutationObserverFactory = /** @class */ (function () {\n    function MutationObserverFactory() {\n    }\n    MutationObserverFactory.prototype.create = function (callback) {\n        return typeof MutationObserver === 'undefined' ? null : new MutationObserver(callback);\n    };\n    MutationObserverFactory.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    MutationObserverFactory.ɵprov = ɵɵdefineInjectable({ factory: function MutationObserverFactory_Factory() { return new MutationObserverFactory(); }, token: MutationObserverFactory, providedIn: \"root\" });\n    return MutationObserverFactory;\n}());\n/** An injectable service that allows watching elements for changes to their content. */\nvar ContentObserver = /** @class */ (function () {\n    function ContentObserver(_mutationObserverFactory) {\n        this._mutationObserverFactory = _mutationObserverFactory;\n        /** Keeps track of the existing MutationObservers so they can be reused. */\n        this._observedElements = new Map();\n    }\n    ContentObserver.prototype.ngOnDestroy = function () {\n        var _this = this;\n        this._observedElements.forEach(function (_, element) { return _this._cleanupObserver(element); });\n    };\n    ContentObserver.prototype.observe = function (elementOrRef) {\n        var _this = this;\n        var element = coerceElement(elementOrRef);\n        return new Observable(function (observer) {\n            var stream = _this._observeElement(element);\n            var subscription = stream.subscribe(observer);\n            return function () {\n                subscription.unsubscribe();\n                _this._unobserveElement(element);\n            };\n        });\n    };\n    /**\n     * Observes the given element by using the existing MutationObserver if available, or creating a\n     * new one if not.\n     */\n    ContentObserver.prototype._observeElement = function (element) {\n        if (!this._observedElements.has(element)) {\n            var stream_1 = new Subject();\n            var observer = this._mutationObserverFactory.create(function (mutations) { return stream_1.next(mutations); });\n            if (observer) {\n                observer.observe(element, {\n                    characterData: true,\n                    childList: true,\n                    subtree: true\n                });\n            }\n            this._observedElements.set(element, { observer: observer, stream: stream_1, count: 1 });\n        }\n        else {\n            this._observedElements.get(element).count++;\n        }\n        return this._observedElements.get(element).stream;\n    };\n    /**\n     * Un-observes the given element and cleans up the underlying MutationObserver if nobody else is\n     * observing this element.\n     */\n    ContentObserver.prototype._unobserveElement = function (element) {\n        if (this._observedElements.has(element)) {\n            this._observedElements.get(element).count--;\n            if (!this._observedElements.get(element).count) {\n                this._cleanupObserver(element);\n            }\n        }\n    };\n    /** Clean up the underlying MutationObserver for the specified element. */\n    ContentObserver.prototype._cleanupObserver = function (element) {\n        if (this._observedElements.has(element)) {\n            var _a = this._observedElements.get(element), observer = _a.observer, stream = _a.stream;\n            if (observer) {\n                observer.disconnect();\n            }\n            stream.complete();\n            this._observedElements.delete(element);\n        }\n    };\n    ContentObserver.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    ContentObserver.ctorParameters = function () { return [\n        { type: MutationObserverFactory }\n    ]; };\n    ContentObserver.ɵprov = ɵɵdefineInjectable({ factory: function ContentObserver_Factory() { return new ContentObserver(ɵɵinject(MutationObserverFactory)); }, token: ContentObserver, providedIn: \"root\" });\n    return ContentObserver;\n}());\n/**\n * Directive that triggers a callback whenever the content of\n * its associated element has changed.\n */\nvar CdkObserveContent = /** @class */ (function () {\n    function CdkObserveContent(_contentObserver, _elementRef, _ngZone) {\n        this._contentObserver = _contentObserver;\n        this._elementRef = _elementRef;\n        this._ngZone = _ngZone;\n        /** Event emitted for each change in the element's content. */\n        this.event = new EventEmitter();\n        this._disabled = false;\n        this._currentSubscription = null;\n    }\n    Object.defineProperty(CdkObserveContent.prototype, \"disabled\", {\n        /**\n         * Whether observing content is disabled. This option can be used\n         * to disconnect the underlying MutationObserver until it is needed.\n         */\n        get: function () { return this._disabled; },\n        set: function (value) {\n            this._disabled = coerceBooleanProperty(value);\n            this._disabled ? this._unsubscribe() : this._subscribe();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkObserveContent.prototype, \"debounce\", {\n        /** Debounce interval for emitting the changes. */\n        get: function () { return this._debounce; },\n        set: function (value) {\n            this._debounce = coerceNumberProperty(value);\n            this._subscribe();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    CdkObserveContent.prototype.ngAfterContentInit = function () {\n        if (!this._currentSubscription && !this.disabled) {\n            this._subscribe();\n        }\n    };\n    CdkObserveContent.prototype.ngOnDestroy = function () {\n        this._unsubscribe();\n    };\n    CdkObserveContent.prototype._subscribe = function () {\n        var _this = this;\n        this._unsubscribe();\n        var stream = this._contentObserver.observe(this._elementRef);\n        // TODO(mmalerba): We shouldn't be emitting on this @Output() outside the zone.\n        // Consider brining it back inside the zone next time we're making breaking changes.\n        // Bringing it back inside can cause things like infinite change detection loops and changed\n        // after checked errors if people's code isn't handling it properly.\n        this._ngZone.runOutsideAngular(function () {\n            _this._currentSubscription =\n                (_this.debounce ? stream.pipe(debounceTime(_this.debounce)) : stream).subscribe(_this.event);\n        });\n    };\n    CdkObserveContent.prototype._unsubscribe = function () {\n        if (this._currentSubscription) {\n            this._currentSubscription.unsubscribe();\n        }\n    };\n    CdkObserveContent.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkObserveContent]',\n                    exportAs: 'cdkObserveContent',\n                },] }\n    ];\n    /** @nocollapse */\n    CdkObserveContent.ctorParameters = function () { return [\n        { type: ContentObserver },\n        { type: ElementRef },\n        { type: NgZone }\n    ]; };\n    CdkObserveContent.propDecorators = {\n        event: [{ type: Output, args: ['cdkObserveContent',] }],\n        disabled: [{ type: Input, args: ['cdkObserveContentDisabled',] }],\n        debounce: [{ type: Input }]\n    };\n    return CdkObserveContent;\n}());\nvar ObserversModule = /** @class */ (function () {\n    function ObserversModule() {\n    }\n    ObserversModule.decorators = [\n        { type: NgModule, args: [{\n                    exports: [CdkObserveContent],\n                    declarations: [CdkObserveContent],\n                    providers: [MutationObserverFactory]\n                },] }\n    ];\n    return ObserversModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { CdkObserveContent, ContentObserver, MutationObserverFactory, ObserversModule };\n","export function create() {\n    return [1, 0, 0, 1, 0, 0];\n}\nexport function identity(out) {\n    out[0] = 1;\n    out[1] = 0;\n    out[2] = 0;\n    out[3] = 1;\n    out[4] = 0;\n    out[5] = 0;\n    return out;\n}\nexport function copy(out, m) {\n    out[0] = m[0];\n    out[1] = m[1];\n    out[2] = m[2];\n    out[3] = m[3];\n    out[4] = m[4];\n    out[5] = m[5];\n    return out;\n}\nexport function mul(out, m1, m2) {\n    var out0 = m1[0] * m2[0] + m1[2] * m2[1];\n    var out1 = m1[1] * m2[0] + m1[3] * m2[1];\n    var out2 = m1[0] * m2[2] + m1[2] * m2[3];\n    var out3 = m1[1] * m2[2] + m1[3] * m2[3];\n    var out4 = m1[0] * m2[4] + m1[2] * m2[5] + m1[4];\n    var out5 = m1[1] * m2[4] + m1[3] * m2[5] + m1[5];\n    out[0] = out0;\n    out[1] = out1;\n    out[2] = out2;\n    out[3] = out3;\n    out[4] = out4;\n    out[5] = out5;\n    return out;\n}\nexport function translate(out, a, v) {\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[3];\n    out[4] = a[4] + v[0];\n    out[5] = a[5] + v[1];\n    return out;\n}\nexport function rotate(out, a, rad) {\n    var aa = a[0];\n    var ac = a[2];\n    var atx = a[4];\n    var ab = a[1];\n    var ad = a[3];\n    var aty = a[5];\n    var st = Math.sin(rad);\n    var ct = Math.cos(rad);\n    out[0] = aa * ct + ab * st;\n    out[1] = -aa * st + ab * ct;\n    out[2] = ac * ct + ad * st;\n    out[3] = -ac * st + ct * ad;\n    out[4] = ct * atx + st * aty;\n    out[5] = ct * aty - st * atx;\n    return out;\n}\nexport function scale(out, a, v) {\n    var vx = v[0];\n    var vy = v[1];\n    out[0] = a[0] * vx;\n    out[1] = a[1] * vy;\n    out[2] = a[2] * vx;\n    out[3] = a[3] * vy;\n    out[4] = a[4] * vx;\n    out[5] = a[5] * vy;\n    return out;\n}\nexport function invert(out, a) {\n    var aa = a[0];\n    var ac = a[2];\n    var atx = a[4];\n    var ab = a[1];\n    var ad = a[3];\n    var aty = a[5];\n    var det = aa * ad - ab * ac;\n    if (!det) {\n        return null;\n    }\n    det = 1.0 / det;\n    out[0] = ad * det;\n    out[1] = -ab * det;\n    out[2] = -ac * det;\n    out[3] = aa * det;\n    out[4] = (ac * aty - ad * atx) * det;\n    out[5] = (ab * atx - aa * aty) * det;\n    return out;\n}\nexport function clone(a) {\n    var b = create();\n    copy(b, a);\n    return b;\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar platform = ''; // Navigator not exists in node\n\nif (typeof navigator !== 'undefined') {\n  /* global navigator */\n  platform = navigator.platform || '';\n}\n\nvar decalColor = 'rgba(0, 0, 0, 0.2)';\nexport default {\n  darkMode: 'auto',\n  // backgroundColor: 'rgba(0,0,0,0)',\n  // https://dribbble.com/shots/1065960-Infographic-Pie-chart-visualization\n  // color: ['#5793f3', '#d14a61', '#fd9c35', '#675bba', '#fec42c', '#dd4444', '#d4df5a', '#cd4870'],\n  // Light colors:\n  // color: ['#bcd3bb', '#e88f70', '#edc1a5', '#9dc5c8', '#e1e8c8', '#7b7c68', '#e5b5b5', '#f0b489', '#928ea8', '#bda29a'],\n  // color: ['#cc5664', '#9bd6ec', '#ea946e', '#8acaaa', '#f1ec64', '#ee8686', '#a48dc1', '#5da6bc', '#b9dcae'],\n  // Dark colors:\n  // color: [\n  //     '#c23531', '#2f4554', '#61a0a8', '#d48265', '#91c7ae', '#749f83',\n  //     '#ca8622', '#bda29a', '#6e7074', '#546570', '#c4ccd3'\n  // ],\n  color: [// '#51689b', '#ce5c5c', '#fbc357', '#8fbf8f', '#659d84', '#fb8e6a', '#c77288', '#786090', '#91c4c5', '#6890ba'\n  '#5470c6', '#91cc75', '#fac858', '#ee6666', '#73c0de', '#3ba272', '#fc8452', '#9a60b4', '#ea7ccc'],\n  gradientColor: ['#f6efa6', '#d88273', '#bf444c'],\n  aria: {\n    decal: {\n      decals: [{\n        color: decalColor,\n        dashArrayX: [1, 0],\n        dashArrayY: [2, 5],\n        symbolSize: 1,\n        rotation: Math.PI / 6\n      }, {\n        color: decalColor,\n        symbol: 'circle',\n        dashArrayX: [[8, 8], [0, 8, 8, 0]],\n        dashArrayY: [6, 0],\n        symbolSize: 0.8\n      }, {\n        color: decalColor,\n        dashArrayX: [1, 0],\n        dashArrayY: [4, 3],\n        rotation: -Math.PI / 4\n      }, {\n        color: decalColor,\n        dashArrayX: [[6, 6], [0, 6, 6, 0]],\n        dashArrayY: [6, 0]\n      }, {\n        color: decalColor,\n        dashArrayX: [[1, 0], [1, 6]],\n        dashArrayY: [1, 0, 6, 0],\n        rotation: Math.PI / 4\n      }, {\n        color: decalColor,\n        symbol: 'triangle',\n        dashArrayX: [[9, 9], [0, 9, 9, 0]],\n        dashArrayY: [7, 2],\n        symbolSize: 0.75\n      }]\n    }\n  },\n  // If xAxis and yAxis declared, grid is created by default.\n  // grid: {},\n  textStyle: {\n    // color: '#000',\n    // decoration: 'none',\n    // PENDING\n    fontFamily: platform.match(/^Win/) ? 'Microsoft YaHei' : 'sans-serif',\n    // fontFamily: 'Arial, Verdana, sans-serif',\n    fontSize: 12,\n    fontStyle: 'normal',\n    fontWeight: 'normal'\n  },\n  // http://blogs.adobe.com/webplatform/2014/02/24/using-blend-modes-in-html-canvas/\n  // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/globalCompositeOperation\n  // Default is source-over\n  blendMode: null,\n  stateAnimation: {\n    duration: 300,\n    easing: 'cubicOut'\n  },\n  animation: 'auto',\n  animationDuration: 1000,\n  animationDurationUpdate: 500,\n  animationEasing: 'cubicInOut',\n  animationEasingUpdate: 'cubicInOut',\n  animationThreshold: 2000,\n  // Configuration for progressive/incremental rendering\n  progressiveThreshold: 3000,\n  progressive: 400,\n  // Threshold of if use single hover layer to optimize.\n  // It is recommended that `hoverLayerThreshold` is equivalent to or less than\n  // `progressiveThreshold`, otherwise hover will cause restart of progressive,\n  // which is unexpected.\n  // see example <echarts/test/heatmap-large.html>.\n  hoverLayerThreshold: 3000,\n  // See: module:echarts/scale/Time\n  useUTC: false\n};","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\n/**\n * Caution: If the mechanism should be changed some day, these cases\n * should be considered:\n *\n * (1) In `merge option` mode, if using the same option to call `setOption`\n * many times, the result should be the same (try our best to ensure that).\n * (2) In `merge option` mode, if a component has no id/name specified, it\n * will be merged by index, and the result sequence of the components is\n * consistent to the original sequence.\n * (3) In `replaceMerge` mode, keep the result sequence of the components is\n * consistent to the original sequence, even though there might result in \"hole\".\n * (4) `reset` feature (in toolbox). Find detailed info in comments about\n * `mergeOption` in module:echarts/model/OptionManager.\n */\n\nimport { each, filter, isArray, isObject, isString, createHashMap, assert, clone, merge, extend, mixin, isFunction } from 'zrender/lib/core/util';\nimport * as modelUtil from '../util/model';\nimport Model from './Model';\nimport ComponentModel from './Component';\nimport globalDefault from './globalDefault';\nimport { resetSourceDefaulter } from '../data/helper/sourceHelper';\nimport { concatInternalOptions } from './internalComponentCreator';\nimport { PaletteMixin } from './mixin/palette';\nimport { error } from '../util/log'; // -----------------------\n// Internal method names:\n// -----------------------\n\nvar reCreateSeriesIndices;\nvar assertSeriesInitialized;\nvar initBase;\nvar OPTION_INNER_KEY = '\\0_ec_inner';\nvar OPTION_INNER_VALUE = 1;\nvar BUITIN_COMPONENTS_MAP = {\n  grid: 'GridComponent',\n  polar: 'PolarComponent',\n  geo: 'GeoComponent',\n  singleAxis: 'SingleAxisComponent',\n  parallel: 'ParallelComponent',\n  calendar: 'CalendarComponent',\n  graphic: 'GraphicComponent',\n  toolbox: 'ToolboxComponent',\n  tooltip: 'TooltipComponent',\n  axisPointer: 'AxisPointerComponent',\n  brush: 'BrushComponent',\n  title: 'TitleComponent',\n  timeline: 'TimelineComponent',\n  markPoint: 'MarkPointComponent',\n  markLine: 'MarkLineComponent',\n  markArea: 'MarkAreaComponent',\n  legend: 'LegendComponent',\n  dataZoom: 'DataZoomComponent',\n  visualMap: 'VisualMapComponent',\n  // aria: 'AriaComponent',\n  // dataset: 'DatasetComponent',\n  // Dependencies\n  xAxis: 'GridComponent',\n  yAxis: 'GridComponent',\n  angleAxis: 'PolarComponent',\n  radiusAxis: 'PolarComponent'\n};\nvar BUILTIN_CHARTS_MAP = {\n  line: 'LineChart',\n  bar: 'BarChart',\n  pie: 'PieChart',\n  scatter: 'ScatterChart',\n  radar: 'RadarChart',\n  map: 'MapChart',\n  tree: 'TreeChart',\n  treemap: 'TreemapChart',\n  graph: 'GraphChart',\n  gauge: 'GaugeChart',\n  funnel: 'FunnelChart',\n  parallel: 'ParallelChart',\n  sankey: 'SankeyChart',\n  boxplot: 'BoxplotChart',\n  candlestick: 'CandlestickChart',\n  effectScatter: 'EffectScatterChart',\n  lines: 'LinesChart',\n  heatmap: 'HeatmapChart',\n  pictorialBar: 'PictorialBarChart',\n  themeRiver: 'ThemeRiverChart',\n  sunburst: 'SunburstChart',\n  custom: 'CustomChart'\n};\nvar componetsMissingLogPrinted = {};\n\nvar GlobalModel =\n/** @class */\nfunction (_super) {\n  __extends(GlobalModel, _super);\n\n  function GlobalModel() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  GlobalModel.prototype.init = function (option, parentModel, ecModel, theme, locale, optionManager) {\n    theme = theme || {};\n    this.option = null; // Mark as not initialized.\n\n    this._theme = new Model(theme);\n    this._locale = new Model(locale);\n    this._optionManager = optionManager;\n  };\n\n  GlobalModel.prototype.setOption = function (option, opts, optionPreprocessorFuncs) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(option != null, 'option is null/undefined');\n      assert(option[OPTION_INNER_KEY] !== OPTION_INNER_VALUE, 'please use chart.getOption()');\n    }\n\n    var innerOpt = normalizeSetOptionInput(opts);\n\n    this._optionManager.setOption(option, optionPreprocessorFuncs, innerOpt);\n\n    this._resetOption(null, innerOpt);\n  };\n  /**\n   * @param type null/undefined: reset all.\n   *        'recreate': force recreate all.\n   *        'timeline': only reset timeline option\n   *        'media': only reset media query option\n   * @return Whether option changed.\n   */\n\n\n  GlobalModel.prototype.resetOption = function (type, opt) {\n    return this._resetOption(type, normalizeSetOptionInput(opt));\n  };\n\n  GlobalModel.prototype._resetOption = function (type, opt) {\n    var optionChanged = false;\n    var optionManager = this._optionManager;\n\n    if (!type || type === 'recreate') {\n      var baseOption = optionManager.mountOption(type === 'recreate');\n\n      if (!this.option || type === 'recreate') {\n        initBase(this, baseOption);\n      } else {\n        this.restoreData();\n\n        this._mergeOption(baseOption, opt);\n      }\n\n      optionChanged = true;\n    }\n\n    if (type === 'timeline' || type === 'media') {\n      this.restoreData();\n    } // By design, if `setOption(option2)` at the second time, and `option2` is a `ECUnitOption`,\n    // it should better not have the same props with `MediaUnit['option']`.\n    // Becuase either `option2` or `MediaUnit['option']` will be always merged to \"current option\"\n    // rather than original \"baseOption\". If they both override a prop, the result might be\n    // unexpected when media state changed after `setOption` called.\n    // If we really need to modify a props in each `MediaUnit['option']`, use the full version\n    // (`{baseOption, media}`) in `setOption`.\n    // For `timeline`, the case is the same.\n\n\n    if (!type || type === 'recreate' || type === 'timeline') {\n      var timelineOption = optionManager.getTimelineOption(this);\n\n      if (timelineOption) {\n        optionChanged = true;\n\n        this._mergeOption(timelineOption, opt);\n      }\n    }\n\n    if (!type || type === 'recreate' || type === 'media') {\n      var mediaOptions = optionManager.getMediaOption(this);\n\n      if (mediaOptions.length) {\n        each(mediaOptions, function (mediaOption) {\n          optionChanged = true;\n\n          this._mergeOption(mediaOption, opt);\n        }, this);\n      }\n    }\n\n    return optionChanged;\n  };\n\n  GlobalModel.prototype.mergeOption = function (option) {\n    this._mergeOption(option, null);\n  };\n\n  GlobalModel.prototype._mergeOption = function (newOption, opt) {\n    var option = this.option;\n    var componentsMap = this._componentsMap;\n    var componentsCount = this._componentsCount;\n    var newCmptTypes = [];\n    var newCmptTypeMap = createHashMap();\n    var replaceMergeMainTypeMap = opt && opt.replaceMergeMainTypeMap;\n    resetSourceDefaulter(this); // If no component class, merge directly.\n    // For example: color, animaiton options, etc.\n\n    each(newOption, function (componentOption, mainType) {\n      if (componentOption == null) {\n        return;\n      }\n\n      if (!ComponentModel.hasClass(mainType)) {\n        if (process.env.NODE_ENV !== 'production') {\n          var componentImportName = BUITIN_COMPONENTS_MAP[mainType];\n\n          if (componentImportName && !componetsMissingLogPrinted[componentImportName]) {\n            error(\"Component \" + mainType + \" is used but not imported.\\nimport { \" + componentImportName + \" } from 'echarts/components';\\necharts.use([\" + componentImportName + \"]);\");\n            componetsMissingLogPrinted[componentImportName] = true;\n          }\n        } // globalSettingTask.dirty();\n\n\n        option[mainType] = option[mainType] == null ? clone(componentOption) : merge(option[mainType], componentOption, true);\n      } else if (mainType) {\n        newCmptTypes.push(mainType);\n        newCmptTypeMap.set(mainType, true);\n      }\n    });\n\n    if (replaceMergeMainTypeMap) {\n      // If there is a mainType `xxx` in `replaceMerge` but not declared in option,\n      // we trade it as it is declared in option as `{xxx: []}`. Because:\n      // (1) for normal merge, `{xxx: null/undefined}` are the same meaning as `{xxx: []}`.\n      // (2) some preprocessor may convert some of `{xxx: null/undefined}` to `{xxx: []}`.\n      replaceMergeMainTypeMap.each(function (val, mainTypeInReplaceMerge) {\n        if (ComponentModel.hasClass(mainTypeInReplaceMerge) && !newCmptTypeMap.get(mainTypeInReplaceMerge)) {\n          newCmptTypes.push(mainTypeInReplaceMerge);\n          newCmptTypeMap.set(mainTypeInReplaceMerge, true);\n        }\n      });\n    }\n\n    ComponentModel.topologicalTravel(newCmptTypes, ComponentModel.getAllClassMainTypes(), visitComponent, this);\n\n    function visitComponent(mainType) {\n      var newCmptOptionList = concatInternalOptions(this, mainType, modelUtil.normalizeToArray(newOption[mainType]));\n      var oldCmptList = componentsMap.get(mainType);\n      var mergeMode = // `!oldCmptList` means init. See the comment in `mappingToExists`\n      !oldCmptList ? 'replaceAll' : replaceMergeMainTypeMap && replaceMergeMainTypeMap.get(mainType) ? 'replaceMerge' : 'normalMerge';\n      var mappingResult = modelUtil.mappingToExists(oldCmptList, newCmptOptionList, mergeMode); // Set mainType and complete subType.\n\n      modelUtil.setComponentTypeToKeyInfo(mappingResult, mainType, ComponentModel); // Empty it before the travel, in order to prevent `this._componentsMap`\n      // from being used in the `init`/`mergeOption`/`optionUpdated` of some\n      // components, which is probably incorrect logic.\n\n      option[mainType] = null;\n      componentsMap.set(mainType, null);\n      componentsCount.set(mainType, 0);\n      var optionsByMainType = [];\n      var cmptsByMainType = [];\n      var cmptsCountByMainType = 0;\n      each(mappingResult, function (resultItem, index) {\n        var componentModel = resultItem.existing;\n        var newCmptOption = resultItem.newOption;\n\n        if (!newCmptOption) {\n          if (componentModel) {\n            // Consider where is no new option and should be merged using {},\n            // see removeEdgeAndAdd in topologicalTravel and\n            // ComponentModel.getAllClassMainTypes.\n            componentModel.mergeOption({}, this);\n            componentModel.optionUpdated({}, false);\n          } // If no both `resultItem.exist` and `resultItem.option`,\n          // either it is in `replaceMerge` and not matched by any id,\n          // or it has been removed in previous `replaceMerge` and left a \"hole\" in this component index.\n\n        } else {\n          var isSeriesType = mainType === 'series';\n          var ComponentModelClass = ComponentModel.getClass(mainType, resultItem.keyInfo.subType, !isSeriesType // Give a more detailed warn later if series don't exists\n          );\n\n          if (!ComponentModelClass) {\n            if (process.env.NODE_ENV !== 'production') {\n              var subType = resultItem.keyInfo.subType;\n              var seriesImportName = BUILTIN_CHARTS_MAP[subType];\n\n              if (!componetsMissingLogPrinted[subType]) {\n                componetsMissingLogPrinted[subType] = true;\n\n                if (seriesImportName) {\n                  error(\"Series \" + subType + \" is used but not imported.\\nimport { \" + seriesImportName + \" } from 'echarts/charts';\\necharts.use([\" + seriesImportName + \"]);\");\n                } else {\n                  error(\"Unkown series \" + subType);\n                }\n              }\n            }\n\n            return;\n          }\n\n          if (componentModel && componentModel.constructor === ComponentModelClass) {\n            componentModel.name = resultItem.keyInfo.name; // componentModel.settingTask && componentModel.settingTask.dirty();\n\n            componentModel.mergeOption(newCmptOption, this);\n            componentModel.optionUpdated(newCmptOption, false);\n          } else {\n            // PENDING Global as parent ?\n            var extraOpt = extend({\n              componentIndex: index\n            }, resultItem.keyInfo);\n            componentModel = new ComponentModelClass(newCmptOption, this, this, extraOpt); // Assign `keyInfo`\n\n            extend(componentModel, extraOpt);\n\n            if (resultItem.brandNew) {\n              componentModel.__requireNewView = true;\n            }\n\n            componentModel.init(newCmptOption, this, this); // Call optionUpdated after init.\n            // newCmptOption has been used as componentModel.option\n            // and may be merged with theme and default, so pass null\n            // to avoid confusion.\n\n            componentModel.optionUpdated(null, true);\n          }\n        }\n\n        if (componentModel) {\n          optionsByMainType.push(componentModel.option);\n          cmptsByMainType.push(componentModel);\n          cmptsCountByMainType++;\n        } else {\n          // Always do assign to avoid elided item in array.\n          optionsByMainType.push(void 0);\n          cmptsByMainType.push(void 0);\n        }\n      }, this);\n      option[mainType] = optionsByMainType;\n      componentsMap.set(mainType, cmptsByMainType);\n      componentsCount.set(mainType, cmptsCountByMainType); // Backup series for filtering.\n\n      if (mainType === 'series') {\n        reCreateSeriesIndices(this);\n      }\n    } // If no series declared, ensure `_seriesIndices` initialized.\n\n\n    if (!this._seriesIndices) {\n      reCreateSeriesIndices(this);\n    }\n  };\n  /**\n   * Get option for output (cloned option and inner info removed)\n   */\n\n\n  GlobalModel.prototype.getOption = function () {\n    var option = clone(this.option);\n    each(option, function (optInMainType, mainType) {\n      if (ComponentModel.hasClass(mainType)) {\n        var opts = modelUtil.normalizeToArray(optInMainType); // Inner cmpts need to be removed.\n        // Inner cmpts might not be at last since ec5.0, but still\n        // compatible for users: if inner cmpt at last, splice the returned array.\n\n        var realLen = opts.length;\n        var metNonInner = false;\n\n        for (var i = realLen - 1; i >= 0; i--) {\n          // Remove options with inner id.\n          if (opts[i] && !modelUtil.isComponentIdInternal(opts[i])) {\n            metNonInner = true;\n          } else {\n            opts[i] = null;\n            !metNonInner && realLen--;\n          }\n        }\n\n        opts.length = realLen;\n        option[mainType] = opts;\n      }\n    });\n    delete option[OPTION_INNER_KEY];\n    return option;\n  };\n\n  GlobalModel.prototype.getTheme = function () {\n    return this._theme;\n  };\n\n  GlobalModel.prototype.getLocaleModel = function () {\n    return this._locale;\n  };\n\n  GlobalModel.prototype.getLocale = function (localePosition) {\n    var locale = this.getLocaleModel();\n    return locale.get(localePosition);\n  };\n\n  GlobalModel.prototype.setUpdatePayload = function (payload) {\n    this._payload = payload;\n  };\n\n  GlobalModel.prototype.getUpdatePayload = function () {\n    return this._payload;\n  };\n  /**\n   * @param idx If not specified, return the first one.\n   */\n\n\n  GlobalModel.prototype.getComponent = function (mainType, idx) {\n    var list = this._componentsMap.get(mainType);\n\n    if (list) {\n      var cmpt = list[idx || 0];\n\n      if (cmpt) {\n        return cmpt;\n      } else if (idx == null) {\n        for (var i = 0; i < list.length; i++) {\n          if (list[i]) {\n            return list[i];\n          }\n        }\n      }\n    }\n  };\n  /**\n   * @return Never be null/undefined.\n   */\n\n\n  GlobalModel.prototype.queryComponents = function (condition) {\n    var mainType = condition.mainType;\n\n    if (!mainType) {\n      return [];\n    }\n\n    var index = condition.index;\n    var id = condition.id;\n    var name = condition.name;\n\n    var cmpts = this._componentsMap.get(mainType);\n\n    if (!cmpts || !cmpts.length) {\n      return [];\n    }\n\n    var result;\n\n    if (index != null) {\n      result = [];\n      each(modelUtil.normalizeToArray(index), function (idx) {\n        cmpts[idx] && result.push(cmpts[idx]);\n      });\n    } else if (id != null) {\n      result = queryByIdOrName('id', id, cmpts);\n    } else if (name != null) {\n      result = queryByIdOrName('name', name, cmpts);\n    } else {\n      // Return all non-empty components in that mainType\n      result = filter(cmpts, function (cmpt) {\n        return !!cmpt;\n      });\n    }\n\n    return filterBySubType(result, condition);\n  };\n  /**\n   * The interface is different from queryComponents,\n   * which is convenient for inner usage.\n   *\n   * @usage\n   * let result = findComponents(\n   *     {mainType: 'dataZoom', query: {dataZoomId: 'abc'}}\n   * );\n   * let result = findComponents(\n   *     {mainType: 'series', subType: 'pie', query: {seriesName: 'uio'}}\n   * );\n   * let result = findComponents(\n   *     {mainType: 'series',\n   *     filter: function (model, index) {...}}\n   * );\n   * // result like [component0, componnet1, ...]\n   */\n\n\n  GlobalModel.prototype.findComponents = function (condition) {\n    var query = condition.query;\n    var mainType = condition.mainType;\n    var queryCond = getQueryCond(query);\n    var result = queryCond ? this.queryComponents(queryCond) // Retrieve all non-empty components.\n    : filter(this._componentsMap.get(mainType), function (cmpt) {\n      return !!cmpt;\n    });\n    return doFilter(filterBySubType(result, condition));\n\n    function getQueryCond(q) {\n      var indexAttr = mainType + 'Index';\n      var idAttr = mainType + 'Id';\n      var nameAttr = mainType + 'Name';\n      return q && (q[indexAttr] != null || q[idAttr] != null || q[nameAttr] != null) ? {\n        mainType: mainType,\n        // subType will be filtered finally.\n        index: q[indexAttr],\n        id: q[idAttr],\n        name: q[nameAttr]\n      } : null;\n    }\n\n    function doFilter(res) {\n      return condition.filter ? filter(res, condition.filter) : res;\n    }\n  };\n\n  GlobalModel.prototype.eachComponent = function (mainType, cb, context) {\n    var componentsMap = this._componentsMap;\n\n    if (isFunction(mainType)) {\n      var ctxForAll_1 = cb;\n      var cbForAll_1 = mainType;\n      componentsMap.each(function (cmpts, componentType) {\n        for (var i = 0; cmpts && i < cmpts.length; i++) {\n          var cmpt = cmpts[i];\n          cmpt && cbForAll_1.call(ctxForAll_1, componentType, cmpt, cmpt.componentIndex);\n        }\n      });\n    } else {\n      var cmpts = isString(mainType) ? componentsMap.get(mainType) : isObject(mainType) ? this.findComponents(mainType) : null;\n\n      for (var i = 0; cmpts && i < cmpts.length; i++) {\n        var cmpt = cmpts[i];\n        cmpt && cb.call(context, cmpt, cmpt.componentIndex);\n      }\n    }\n  };\n  /**\n   * Get series list before filtered by name.\n   */\n\n\n  GlobalModel.prototype.getSeriesByName = function (name) {\n    var nameStr = modelUtil.convertOptionIdName(name, null);\n    return filter(this._componentsMap.get('series'), function (oneSeries) {\n      return !!oneSeries && nameStr != null && oneSeries.name === nameStr;\n    });\n  };\n  /**\n   * Get series list before filtered by index.\n   */\n\n\n  GlobalModel.prototype.getSeriesByIndex = function (seriesIndex) {\n    return this._componentsMap.get('series')[seriesIndex];\n  };\n  /**\n   * Get series list before filtered by type.\n   * FIXME: rename to getRawSeriesByType?\n   */\n\n\n  GlobalModel.prototype.getSeriesByType = function (subType) {\n    return filter(this._componentsMap.get('series'), function (oneSeries) {\n      return !!oneSeries && oneSeries.subType === subType;\n    });\n  };\n  /**\n   * Get all series before filtered.\n   */\n\n\n  GlobalModel.prototype.getSeries = function () {\n    return filter(this._componentsMap.get('series').slice(), function (oneSeries) {\n      return !!oneSeries;\n    });\n  };\n  /**\n   * Count series before filtered.\n   */\n\n\n  GlobalModel.prototype.getSeriesCount = function () {\n    return this._componentsCount.get('series');\n  };\n  /**\n   * After filtering, series may be different\n   * frome raw series.\n   */\n\n\n  GlobalModel.prototype.eachSeries = function (cb, context) {\n    assertSeriesInitialized(this);\n    each(this._seriesIndices, function (rawSeriesIndex) {\n      var series = this._componentsMap.get('series')[rawSeriesIndex];\n\n      cb.call(context, series, rawSeriesIndex);\n    }, this);\n  };\n  /**\n   * Iterate raw series before filtered.\n   *\n   * @param {Function} cb\n   * @param {*} context\n   */\n\n\n  GlobalModel.prototype.eachRawSeries = function (cb, context) {\n    each(this._componentsMap.get('series'), function (series) {\n      series && cb.call(context, series, series.componentIndex);\n    });\n  };\n  /**\n   * After filtering, series may be different.\n   * frome raw series.\n   */\n\n\n  GlobalModel.prototype.eachSeriesByType = function (subType, cb, context) {\n    assertSeriesInitialized(this);\n    each(this._seriesIndices, function (rawSeriesIndex) {\n      var series = this._componentsMap.get('series')[rawSeriesIndex];\n\n      if (series.subType === subType) {\n        cb.call(context, series, rawSeriesIndex);\n      }\n    }, this);\n  };\n  /**\n   * Iterate raw series before filtered of given type.\n   */\n\n\n  GlobalModel.prototype.eachRawSeriesByType = function (subType, cb, context) {\n    return each(this.getSeriesByType(subType), cb, context);\n  };\n\n  GlobalModel.prototype.isSeriesFiltered = function (seriesModel) {\n    assertSeriesInitialized(this);\n    return this._seriesIndicesMap.get(seriesModel.componentIndex) == null;\n  };\n\n  GlobalModel.prototype.getCurrentSeriesIndices = function () {\n    return (this._seriesIndices || []).slice();\n  };\n\n  GlobalModel.prototype.filterSeries = function (cb, context) {\n    assertSeriesInitialized(this);\n    var newSeriesIndices = [];\n    each(this._seriesIndices, function (seriesRawIdx) {\n      var series = this._componentsMap.get('series')[seriesRawIdx];\n\n      cb.call(context, series, seriesRawIdx) && newSeriesIndices.push(seriesRawIdx);\n    }, this);\n    this._seriesIndices = newSeriesIndices;\n    this._seriesIndicesMap = createHashMap(newSeriesIndices);\n  };\n\n  GlobalModel.prototype.restoreData = function (payload) {\n    reCreateSeriesIndices(this);\n    var componentsMap = this._componentsMap;\n    var componentTypes = [];\n    componentsMap.each(function (components, componentType) {\n      if (ComponentModel.hasClass(componentType)) {\n        componentTypes.push(componentType);\n      }\n    });\n    ComponentModel.topologicalTravel(componentTypes, ComponentModel.getAllClassMainTypes(), function (componentType) {\n      each(componentsMap.get(componentType), function (component) {\n        if (component && (componentType !== 'series' || !isNotTargetSeries(component, payload))) {\n          component.restoreData();\n        }\n      });\n    });\n  };\n\n  GlobalModel.internalField = function () {\n    reCreateSeriesIndices = function (ecModel) {\n      var seriesIndices = ecModel._seriesIndices = [];\n      each(ecModel._componentsMap.get('series'), function (series) {\n        // series may have been removed by `replaceMerge`.\n        series && seriesIndices.push(series.componentIndex);\n      });\n      ecModel._seriesIndicesMap = createHashMap(seriesIndices);\n    };\n\n    assertSeriesInitialized = function (ecModel) {\n      // Components that use _seriesIndices should depends on series component,\n      // which make sure that their initialization is after series.\n      if (process.env.NODE_ENV !== 'production') {\n        if (!ecModel._seriesIndices) {\n          throw new Error('Option should contains series.');\n        }\n      }\n    };\n\n    initBase = function (ecModel, baseOption) {\n      // Using OPTION_INNER_KEY to mark that this option can not be used outside,\n      // i.e. `chart.setOption(chart.getModel().option);` is forbiden.\n      ecModel.option = {};\n      ecModel.option[OPTION_INNER_KEY] = OPTION_INNER_VALUE; // Init with series: [], in case of calling findSeries method\n      // before series initialized.\n\n      ecModel._componentsMap = createHashMap({\n        series: []\n      });\n      ecModel._componentsCount = createHashMap(); // If user spefied `option.aria`, aria will be enable. This detection should be\n      // performed before theme and globalDefault merge.\n\n      var airaOption = baseOption.aria;\n\n      if (isObject(airaOption) && airaOption.enabled == null) {\n        airaOption.enabled = true;\n      }\n\n      mergeTheme(baseOption, ecModel._theme.option); // TODO Needs clone when merging to the unexisted property\n\n      merge(baseOption, globalDefault, false);\n\n      ecModel._mergeOption(baseOption, null);\n    };\n  }();\n\n  return GlobalModel;\n}(Model);\n\nfunction isNotTargetSeries(seriesModel, payload) {\n  if (payload) {\n    var index = payload.seriesIndex;\n    var id = payload.seriesId;\n    var name_1 = payload.seriesName;\n    return index != null && seriesModel.componentIndex !== index || id != null && seriesModel.id !== id || name_1 != null && seriesModel.name !== name_1;\n  }\n}\n\nfunction mergeTheme(option, theme) {\n  // PENDING\n  // NOT use `colorLayer` in theme if option has `color`\n  var notMergeColorLayer = option.color && !option.colorLayer;\n  each(theme, function (themeItem, name) {\n    if (name === 'colorLayer' && notMergeColorLayer) {\n      return;\n    } // If it is component model mainType, the model handles that merge later.\n    // otherwise, merge them here.\n\n\n    if (!ComponentModel.hasClass(name)) {\n      if (typeof themeItem === 'object') {\n        option[name] = !option[name] ? clone(themeItem) : merge(option[name], themeItem, false);\n      } else {\n        if (option[name] == null) {\n          option[name] = themeItem;\n        }\n      }\n    }\n  });\n}\n\nfunction queryByIdOrName(attr, idOrName, cmpts) {\n  // Here is a break from echarts4: string and number are\n  // treated as equal.\n  if (isArray(idOrName)) {\n    var keyMap_1 = createHashMap();\n    each(idOrName, function (idOrNameItem) {\n      if (idOrNameItem != null) {\n        var idName = modelUtil.convertOptionIdName(idOrNameItem, null);\n        idName != null && keyMap_1.set(idOrNameItem, true);\n      }\n    });\n    return filter(cmpts, function (cmpt) {\n      return cmpt && keyMap_1.get(cmpt[attr]);\n    });\n  } else {\n    var idName_1 = modelUtil.convertOptionIdName(idOrName, null);\n    return filter(cmpts, function (cmpt) {\n      return cmpt && idName_1 != null && cmpt[attr] === idName_1;\n    });\n  }\n}\n\nfunction filterBySubType(components, condition) {\n  // Using hasOwnProperty for restrict. Consider\n  // subType is undefined in user payload.\n  return condition.hasOwnProperty('subType') ? filter(components, function (cmpt) {\n    return cmpt && cmpt.subType === condition.subType;\n  }) : components;\n}\n\nfunction normalizeSetOptionInput(opts) {\n  var replaceMergeMainTypeMap = createHashMap();\n  opts && each(modelUtil.normalizeToArray(opts.replaceMerge), function (mainType) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(ComponentModel.hasClass(mainType), '\"' + mainType + '\" is not valid component main type in \"replaceMerge\"');\n    }\n\n    replaceMergeMainTypeMap.set(mainType, true);\n  });\n  return {\n    replaceMergeMainTypeMap: replaceMergeMainTypeMap\n  };\n}\n\nmixin(GlobalModel, PaletteMixin);\nexport default GlobalModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nvar availableMethods = ['getDom', 'getZr', 'getWidth', 'getHeight', 'getDevicePixelRatio', 'dispatchAction', 'isDisposed', 'on', 'off', 'getDataURL', 'getConnectedDataURL', // 'getModel',\n'getOption', // 'getViewOfComponentModel',\n// 'getViewOfSeriesModel',\n'getId', 'updateLabelLayout'];\n\nvar ExtensionAPI =\n/** @class */\nfunction () {\n  function ExtensionAPI(ecInstance) {\n    zrUtil.each(availableMethods, function (methodName) {\n      this[methodName] = zrUtil.bind(ecInstance[methodName], ecInstance);\n    }, this);\n  }\n\n  return ExtensionAPI;\n}();\n\nexport default ExtensionAPI;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { normalizeToArray // , MappingExistingItem, setComponentTypeToKeyInfo, mappingToExists\n} from '../util/model';\nimport { each, clone, map, isTypedArray, setAsPrimitive, isArray, isObject // , HashMap , createHashMap, extend, merge,\n} from 'zrender/lib/core/util';\nimport { error } from '../util/log';\nvar QUERY_REG = /^(min|max)?(.+)$/; // Key: mainType\n// type FakeComponentsMap = HashMap<(MappingExistingItem & { subType: string })[]>;\n\n/**\n * TERM EXPLANATIONS:\n * See `ECOption` and `ECUnitOption` in `src/util/types.ts`.\n */\n\nvar OptionManager =\n/** @class */\nfunction () {\n  // timeline.notMerge is not supported in ec3. Firstly there is rearly\n  // case that notMerge is needed. Secondly supporting 'notMerge' requires\n  // rawOption cloned and backuped when timeline changed, which does no\n  // good to performance. What's more, that both timeline and setOption\n  // method supply 'notMerge' brings complex and some problems.\n  // Consider this case:\n  // (step1) chart.setOption({timeline: {notMerge: false}, ...}, false);\n  // (step2) chart.setOption({timeline: {notMerge: true}, ...}, false);\n  function OptionManager(api) {\n    this._timelineOptions = [];\n    this._mediaList = [];\n    /**\n     * -1, means default.\n     * empty means no media.\n     */\n\n    this._currentMediaIndices = [];\n    this._api = api;\n  }\n\n  OptionManager.prototype.setOption = function (rawOption, optionPreprocessorFuncs, opt) {\n    if (rawOption) {\n      // That set dat primitive is dangerous if user reuse the data when setOption again.\n      each(normalizeToArray(rawOption.series), function (series) {\n        series && series.data && isTypedArray(series.data) && setAsPrimitive(series.data);\n      });\n      each(normalizeToArray(rawOption.dataset), function (dataset) {\n        dataset && dataset.source && isTypedArray(dataset.source) && setAsPrimitive(dataset.source);\n      });\n    } // Caution: some series modify option data, if do not clone,\n    // it should ensure that the repeat modify correctly\n    // (create a new object when modify itself).\n\n\n    rawOption = clone(rawOption); // FIXME\n    // If some property is set in timeline options or media option but\n    // not set in baseOption, a warning should be given.\n\n    var optionBackup = this._optionBackup;\n    var newParsedOption = parseRawOption(rawOption, optionPreprocessorFuncs, !optionBackup);\n    this._newBaseOption = newParsedOption.baseOption; // For setOption at second time (using merge mode);\n\n    if (optionBackup) {\n      // FIXME\n      // the restore merge solution is essentially incorrect.\n      // the mapping can not be 100% consistent with ecModel, which probably brings\n      // potential bug!\n      // The first merge is delayed, becuase in most cases, users do not call `setOption` twice.\n      // let fakeCmptsMap = this._fakeCmptsMap;\n      // if (!fakeCmptsMap) {\n      //     fakeCmptsMap = this._fakeCmptsMap = createHashMap();\n      //     mergeToBackupOption(fakeCmptsMap, null, optionBackup.baseOption, null);\n      // }\n      // mergeToBackupOption(\n      //     fakeCmptsMap, optionBackup.baseOption, newParsedOption.baseOption, opt\n      // );\n      // For simplicity, timeline options and media options do not support merge,\n      // that is, if you `setOption` twice and both has timeline options, the latter\n      // timeline opitons will not be merged to the formers, but just substitude them.\n      if (newParsedOption.timelineOptions.length) {\n        optionBackup.timelineOptions = newParsedOption.timelineOptions;\n      }\n\n      if (newParsedOption.mediaList.length) {\n        optionBackup.mediaList = newParsedOption.mediaList;\n      }\n\n      if (newParsedOption.mediaDefault) {\n        optionBackup.mediaDefault = newParsedOption.mediaDefault;\n      }\n    } else {\n      this._optionBackup = newParsedOption;\n    }\n  };\n\n  OptionManager.prototype.mountOption = function (isRecreate) {\n    var optionBackup = this._optionBackup;\n    this._timelineOptions = optionBackup.timelineOptions;\n    this._mediaList = optionBackup.mediaList;\n    this._mediaDefault = optionBackup.mediaDefault;\n    this._currentMediaIndices = [];\n    return clone(isRecreate // this._optionBackup.baseOption, which is created at the first `setOption`\n    // called, and is merged into every new option by inner method `mergeToBackupOption`\n    // each time `setOption` called, can be only used in `isRecreate`, because\n    // its reliability is under suspicion. In other cases option merge is\n    // performed by `model.mergeOption`.\n    ? optionBackup.baseOption : this._newBaseOption);\n  };\n\n  OptionManager.prototype.getTimelineOption = function (ecModel) {\n    var option;\n    var timelineOptions = this._timelineOptions;\n\n    if (timelineOptions.length) {\n      // getTimelineOption can only be called after ecModel inited,\n      // so we can get currentIndex from timelineModel.\n      var timelineModel = ecModel.getComponent('timeline');\n\n      if (timelineModel) {\n        option = clone( // FIXME:TS as TimelineModel or quivlant interface\n        timelineOptions[timelineModel.getCurrentIndex()]);\n      }\n    }\n\n    return option;\n  };\n\n  OptionManager.prototype.getMediaOption = function (ecModel) {\n    var ecWidth = this._api.getWidth();\n\n    var ecHeight = this._api.getHeight();\n\n    var mediaList = this._mediaList;\n    var mediaDefault = this._mediaDefault;\n    var indices = [];\n    var result = []; // No media defined.\n\n    if (!mediaList.length && !mediaDefault) {\n      return result;\n    } // Multi media may be applied, the latter defined media has higher priority.\n\n\n    for (var i = 0, len = mediaList.length; i < len; i++) {\n      if (applyMediaQuery(mediaList[i].query, ecWidth, ecHeight)) {\n        indices.push(i);\n      }\n    } // FIXME\n    // Whether mediaDefault should force users to provide? Otherwise\n    // the change by media query can not be recorvered.\n\n\n    if (!indices.length && mediaDefault) {\n      indices = [-1];\n    }\n\n    if (indices.length && !indicesEquals(indices, this._currentMediaIndices)) {\n      result = map(indices, function (index) {\n        return clone(index === -1 ? mediaDefault.option : mediaList[index].option);\n      });\n    } // Otherwise return nothing.\n\n\n    this._currentMediaIndices = indices;\n    return result;\n  };\n\n  return OptionManager;\n}();\n/**\n * [RAW_OPTION_PATTERNS]\n * (Note: \"series: []\" represents all other props in `ECUnitOption`)\n *\n * (1) No prop \"baseOption\" declared:\n * Root option is used as \"baseOption\" (except prop \"options\" and \"media\").\n * ```js\n * option = {\n *     series: [],\n *     timeline: {},\n *     options: [],\n * };\n * option = {\n *     series: [],\n *     media: {},\n * };\n * option = {\n *     series: [],\n *     timeline: {},\n *     options: [],\n *     media: {},\n * }\n * ```\n *\n * (2) Prop \"baseOption\" declared:\n * If \"baseOption\" declared, `ECUnitOption` props can only be declared\n * inside \"baseOption\" except prop \"timeline\" (compat ec2).\n * ```js\n * option = {\n *     baseOption: {\n *         timeline: {},\n *         series: [],\n *     },\n *     options: []\n * };\n * option = {\n *     baseOption: {\n *         series: [],\n *     },\n *     media: []\n * };\n * option = {\n *     baseOption: {\n *         timeline: {},\n *         series: [],\n *     },\n *     options: []\n *     media: []\n * };\n * option = {\n *     // ec3 compat ec2: allow (only) `timeline` declared\n *     // outside baseOption. Keep this setting for compat.\n *     timeline: {},\n *     baseOption: {\n *         series: [],\n *     },\n *     options: [],\n *     media: []\n * };\n * ```\n */\n\n\nfunction parseRawOption( // `rawOption` May be modified\nrawOption, optionPreprocessorFuncs, isNew) {\n  var mediaList = [];\n  var mediaDefault;\n  var baseOption;\n  var declaredBaseOption = rawOption.baseOption; // Compatible with ec2, [RAW_OPTION_PATTERNS] above.\n\n  var timelineOnRoot = rawOption.timeline;\n  var timelineOptionsOnRoot = rawOption.options;\n  var mediaOnRoot = rawOption.media;\n  var hasMedia = !!rawOption.media;\n  var hasTimeline = !!(timelineOptionsOnRoot || timelineOnRoot || declaredBaseOption && declaredBaseOption.timeline);\n\n  if (declaredBaseOption) {\n    baseOption = declaredBaseOption; // For merge option.\n\n    if (!baseOption.timeline) {\n      baseOption.timeline = timelineOnRoot;\n    }\n  } // For convenience, enable to use the root option as the `baseOption`:\n  // `{ ...normalOptionProps, media: [{ ... }, { ... }] }`\n  else {\n      if (hasTimeline || hasMedia) {\n        rawOption.options = rawOption.media = null;\n      }\n\n      baseOption = rawOption;\n    }\n\n  if (hasMedia) {\n    if (isArray(mediaOnRoot)) {\n      each(mediaOnRoot, function (singleMedia) {\n        if (process.env.NODE_ENV !== 'production') {\n          // Real case of wrong config.\n          if (singleMedia && !singleMedia.option && isObject(singleMedia.query) && isObject(singleMedia.query.option)) {\n            error('Illegal media option. Must be like { media: [ { query: {}, option: {} } ] }');\n          }\n        }\n\n        if (singleMedia && singleMedia.option) {\n          if (singleMedia.query) {\n            mediaList.push(singleMedia);\n          } else if (!mediaDefault) {\n            // Use the first media default.\n            mediaDefault = singleMedia;\n          }\n        }\n      });\n    } else {\n      if (process.env.NODE_ENV !== 'production') {\n        // Real case of wrong config.\n        error('Illegal media option. Must be an array. Like { media: [ {...}, {...} ] }');\n      }\n    }\n  }\n\n  doPreprocess(baseOption);\n  each(timelineOptionsOnRoot, function (option) {\n    return doPreprocess(option);\n  });\n  each(mediaList, function (media) {\n    return doPreprocess(media.option);\n  });\n\n  function doPreprocess(option) {\n    each(optionPreprocessorFuncs, function (preProcess) {\n      preProcess(option, isNew);\n    });\n  }\n\n  return {\n    baseOption: baseOption,\n    timelineOptions: timelineOptionsOnRoot || [],\n    mediaDefault: mediaDefault,\n    mediaList: mediaList\n  };\n}\n/**\n * @see <http://www.w3.org/TR/css3-mediaqueries/#media1>\n * Support: width, height, aspectRatio\n * Can use max or min as prefix.\n */\n\n\nfunction applyMediaQuery(query, ecWidth, ecHeight) {\n  var realMap = {\n    width: ecWidth,\n    height: ecHeight,\n    aspectratio: ecWidth / ecHeight // lowser case for convenientce.\n\n  };\n  var applicatable = true;\n  each(query, function (value, attr) {\n    var matched = attr.match(QUERY_REG);\n\n    if (!matched || !matched[1] || !matched[2]) {\n      return;\n    }\n\n    var operator = matched[1];\n    var realAttr = matched[2].toLowerCase();\n\n    if (!compare(realMap[realAttr], value, operator)) {\n      applicatable = false;\n    }\n  });\n  return applicatable;\n}\n\nfunction compare(real, expect, operator) {\n  if (operator === 'min') {\n    return real >= expect;\n  } else if (operator === 'max') {\n    return real <= expect;\n  } else {\n    // Equals\n    return real === expect;\n  }\n}\n\nfunction indicesEquals(indices1, indices2) {\n  // indices is always order by asc and has only finite number.\n  return indices1.join(',') === indices2.join(',');\n}\n/**\n * Consider case:\n * `chart.setOption(opt1);`\n * Then user do some interaction like dataZoom, dataView changing.\n * `chart.setOption(opt2);`\n * Then user press 'reset button' in toolbox.\n *\n * After doing that all of the interaction effects should be reset, the\n * chart should be the same as the result of invoke\n * `chart.setOption(opt1); chart.setOption(opt2);`.\n *\n * Although it is not able ensure that\n * `chart.setOption(opt1); chart.setOption(opt2);` is equivalents to\n * `chart.setOption(merge(opt1, opt2));` exactly,\n * this might be the only simple way to implement that feature.\n *\n * MEMO: We've considered some other approaches:\n * 1. Each model handle its self restoration but not uniform treatment.\n *     (Too complex in logic and error-prone)\n * 2. Use a shadow ecModel. (Performace expensive)\n *\n * FIXME: A possible solution:\n * Add a extra level of model for each component model. The inheritance chain would be:\n * ecModel <- componentModel <- componentActionModel <- dataItemModel\n * And all of the actions can only modify the `componentActionModel` rather than\n * `componentModel`. `setOption` will only modify the `ecModel` and `componentModel`.\n * When \"resotre\" action triggered, model from `componentActionModel` will be discarded\n * instead of recreating the \"ecModel\" from the \"_optionBackup\".\n */\n// function mergeToBackupOption(\n//     fakeCmptsMap: FakeComponentsMap,\n//     // `tarOption` Can be null/undefined, means init\n//     tarOption: ECUnitOption,\n//     newOption: ECUnitOption,\n//     // Can be null/undefined\n//     opt: InnerSetOptionOpts\n// ): void {\n//     newOption = newOption || {} as ECUnitOption;\n//     const notInit = !!tarOption;\n//     each(newOption, function (newOptsInMainType, mainType) {\n//         if (newOptsInMainType == null) {\n//             return;\n//         }\n//         if (!ComponentModel.hasClass(mainType)) {\n//             if (tarOption) {\n//                 tarOption[mainType] = merge(tarOption[mainType], newOptsInMainType, true);\n//             }\n//         }\n//         else {\n//             const oldTarOptsInMainType = notInit ? normalizeToArray(tarOption[mainType]) : null;\n//             const oldFakeCmptsInMainType = fakeCmptsMap.get(mainType) || [];\n//             const resultTarOptsInMainType = notInit ? (tarOption[mainType] = [] as ComponentOption[]) : null;\n//             const resultFakeCmptsInMainType = fakeCmptsMap.set(mainType, []);\n//             const mappingResult = mappingToExists(\n//                 oldFakeCmptsInMainType,\n//                 normalizeToArray(newOptsInMainType),\n//                 (opt && opt.replaceMergeMainTypeMap.get(mainType)) ? 'replaceMerge' : 'normalMerge'\n//             );\n//             setComponentTypeToKeyInfo(mappingResult, mainType, ComponentModel as ComponentModelConstructor);\n//             each(mappingResult, function (resultItem, index) {\n//                 // The same logic as `Global.ts#_mergeOption`.\n//                 let fakeCmpt = resultItem.existing;\n//                 const newOption = resultItem.newOption;\n//                 const keyInfo = resultItem.keyInfo;\n//                 let fakeCmptOpt;\n//                 if (!newOption) {\n//                     fakeCmptOpt = oldTarOptsInMainType[index];\n//                 }\n//                 else {\n//                     if (fakeCmpt && fakeCmpt.subType === keyInfo.subType) {\n//                         fakeCmpt.name = keyInfo.name;\n//                         if (notInit) {\n//                             fakeCmptOpt = merge(oldTarOptsInMainType[index], newOption, true);\n//                         }\n//                     }\n//                     else {\n//                         fakeCmpt = extend({}, keyInfo);\n//                         if (notInit) {\n//                             fakeCmptOpt = clone(newOption);\n//                         }\n//                     }\n//                 }\n//                 if (fakeCmpt) {\n//                     notInit && resultTarOptsInMainType.push(fakeCmptOpt);\n//                     resultFakeCmptsInMainType.push(fakeCmpt);\n//                 }\n//                 else {\n//                     notInit && resultTarOptsInMainType.push(void 0);\n//                     resultFakeCmptsInMainType.push(void 0);\n//                 }\n//             });\n//         }\n//     });\n// }\n\n\nexport default OptionManager;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as modelUtil from '../../util/model';\nimport { deprecateLog, deprecateReplaceLog } from '../../util/log';\nvar each = zrUtil.each;\nvar isObject = zrUtil.isObject;\nvar POSSIBLE_STYLES = ['areaStyle', 'lineStyle', 'nodeStyle', 'linkStyle', 'chordStyle', 'label', 'labelLine'];\n\nfunction compatEC2ItemStyle(opt) {\n  var itemStyleOpt = opt && opt.itemStyle;\n\n  if (!itemStyleOpt) {\n    return;\n  }\n\n  for (var i = 0, len = POSSIBLE_STYLES.length; i < len; i++) {\n    var styleName = POSSIBLE_STYLES[i];\n    var normalItemStyleOpt = itemStyleOpt.normal;\n    var emphasisItemStyleOpt = itemStyleOpt.emphasis;\n\n    if (normalItemStyleOpt && normalItemStyleOpt[styleName]) {\n      if (process.env.NODE_ENV !== 'production') {\n        deprecateReplaceLog(\"itemStyle.normal.\" + styleName, styleName);\n      }\n\n      opt[styleName] = opt[styleName] || {};\n\n      if (!opt[styleName].normal) {\n        opt[styleName].normal = normalItemStyleOpt[styleName];\n      } else {\n        zrUtil.merge(opt[styleName].normal, normalItemStyleOpt[styleName]);\n      }\n\n      normalItemStyleOpt[styleName] = null;\n    }\n\n    if (emphasisItemStyleOpt && emphasisItemStyleOpt[styleName]) {\n      if (process.env.NODE_ENV !== 'production') {\n        deprecateReplaceLog(\"itemStyle.emphasis.\" + styleName, \"emphasis.\" + styleName);\n      }\n\n      opt[styleName] = opt[styleName] || {};\n\n      if (!opt[styleName].emphasis) {\n        opt[styleName].emphasis = emphasisItemStyleOpt[styleName];\n      } else {\n        zrUtil.merge(opt[styleName].emphasis, emphasisItemStyleOpt[styleName]);\n      }\n\n      emphasisItemStyleOpt[styleName] = null;\n    }\n  }\n}\n\nfunction convertNormalEmphasis(opt, optType, useExtend) {\n  if (opt && opt[optType] && (opt[optType].normal || opt[optType].emphasis)) {\n    var normalOpt = opt[optType].normal;\n    var emphasisOpt = opt[optType].emphasis;\n\n    if (normalOpt) {\n      if (process.env.NODE_ENV !== 'production') {\n        // eslint-disable-next-line max-len\n        deprecateLog(\"'normal' hierarchy in \" + optType + \" has been removed since 4.0. All style properties are configured in \" + optType + \" directly now.\");\n      } // Timeline controlStyle has other properties besides normal and emphasis\n\n\n      if (useExtend) {\n        opt[optType].normal = opt[optType].emphasis = null;\n        zrUtil.defaults(opt[optType], normalOpt);\n      } else {\n        opt[optType] = normalOpt;\n      }\n    }\n\n    if (emphasisOpt) {\n      if (process.env.NODE_ENV !== 'production') {\n        deprecateLog(optType + \".emphasis has been changed to emphasis.\" + optType + \" since 4.0\");\n      }\n\n      opt.emphasis = opt.emphasis || {};\n      opt.emphasis[optType] = emphasisOpt; // Also compat the case user mix the style and focus together in ec3 style\n      // for example: { itemStyle: { normal: {}, emphasis: {focus, shadowBlur} } }\n\n      if (emphasisOpt.focus) {\n        opt.emphasis.focus = emphasisOpt.focus;\n      }\n\n      if (emphasisOpt.blurScope) {\n        opt.emphasis.blurScope = emphasisOpt.blurScope;\n      }\n    }\n  }\n}\n\nfunction removeEC3NormalStatus(opt) {\n  convertNormalEmphasis(opt, 'itemStyle');\n  convertNormalEmphasis(opt, 'lineStyle');\n  convertNormalEmphasis(opt, 'areaStyle');\n  convertNormalEmphasis(opt, 'label');\n  convertNormalEmphasis(opt, 'labelLine'); // treemap\n\n  convertNormalEmphasis(opt, 'upperLabel'); // graph\n\n  convertNormalEmphasis(opt, 'edgeLabel');\n}\n\nfunction compatTextStyle(opt, propName) {\n  // Check whether is not object (string\\null\\undefined ...)\n  var labelOptSingle = isObject(opt) && opt[propName];\n  var textStyle = isObject(labelOptSingle) && labelOptSingle.textStyle;\n\n  if (textStyle) {\n    if (process.env.NODE_ENV !== 'production') {\n      // eslint-disable-next-line max-len\n      deprecateLog(\"textStyle hierarchy in \" + propName + \" has been removed since 4.0. All textStyle properties are configured in \" + propName + \" directly now.\");\n    }\n\n    for (var i = 0, len = modelUtil.TEXT_STYLE_OPTIONS.length; i < len; i++) {\n      var textPropName = modelUtil.TEXT_STYLE_OPTIONS[i];\n\n      if (textStyle.hasOwnProperty(textPropName)) {\n        labelOptSingle[textPropName] = textStyle[textPropName];\n      }\n    }\n  }\n}\n\nfunction compatEC3CommonStyles(opt) {\n  if (opt) {\n    removeEC3NormalStatus(opt);\n    compatTextStyle(opt, 'label');\n    opt.emphasis && compatTextStyle(opt.emphasis, 'label');\n  }\n}\n\nfunction processSeries(seriesOpt) {\n  if (!isObject(seriesOpt)) {\n    return;\n  }\n\n  compatEC2ItemStyle(seriesOpt);\n  removeEC3NormalStatus(seriesOpt);\n  compatTextStyle(seriesOpt, 'label'); // treemap\n\n  compatTextStyle(seriesOpt, 'upperLabel'); // graph\n\n  compatTextStyle(seriesOpt, 'edgeLabel');\n\n  if (seriesOpt.emphasis) {\n    compatTextStyle(seriesOpt.emphasis, 'label'); // treemap\n\n    compatTextStyle(seriesOpt.emphasis, 'upperLabel'); // graph\n\n    compatTextStyle(seriesOpt.emphasis, 'edgeLabel');\n  }\n\n  var markPoint = seriesOpt.markPoint;\n\n  if (markPoint) {\n    compatEC2ItemStyle(markPoint);\n    compatEC3CommonStyles(markPoint);\n  }\n\n  var markLine = seriesOpt.markLine;\n\n  if (markLine) {\n    compatEC2ItemStyle(markLine);\n    compatEC3CommonStyles(markLine);\n  }\n\n  var markArea = seriesOpt.markArea;\n\n  if (markArea) {\n    compatEC3CommonStyles(markArea);\n  }\n\n  var data = seriesOpt.data; // Break with ec3: if `setOption` again, there may be no `type` in option,\n  // then the backward compat based on option type will not be performed.\n\n  if (seriesOpt.type === 'graph') {\n    data = data || seriesOpt.nodes;\n    var edgeData = seriesOpt.links || seriesOpt.edges;\n\n    if (edgeData && !zrUtil.isTypedArray(edgeData)) {\n      for (var i = 0; i < edgeData.length; i++) {\n        compatEC3CommonStyles(edgeData[i]);\n      }\n    }\n\n    zrUtil.each(seriesOpt.categories, function (opt) {\n      removeEC3NormalStatus(opt);\n    });\n  }\n\n  if (data && !zrUtil.isTypedArray(data)) {\n    for (var i = 0; i < data.length; i++) {\n      compatEC3CommonStyles(data[i]);\n    }\n  } // mark point data\n\n\n  markPoint = seriesOpt.markPoint;\n\n  if (markPoint && markPoint.data) {\n    var mpData = markPoint.data;\n\n    for (var i = 0; i < mpData.length; i++) {\n      compatEC3CommonStyles(mpData[i]);\n    }\n  } // mark line data\n\n\n  markLine = seriesOpt.markLine;\n\n  if (markLine && markLine.data) {\n    var mlData = markLine.data;\n\n    for (var i = 0; i < mlData.length; i++) {\n      if (zrUtil.isArray(mlData[i])) {\n        compatEC3CommonStyles(mlData[i][0]);\n        compatEC3CommonStyles(mlData[i][1]);\n      } else {\n        compatEC3CommonStyles(mlData[i]);\n      }\n    }\n  } // Series\n\n\n  if (seriesOpt.type === 'gauge') {\n    compatTextStyle(seriesOpt, 'axisLabel');\n    compatTextStyle(seriesOpt, 'title');\n    compatTextStyle(seriesOpt, 'detail');\n  } else if (seriesOpt.type === 'treemap') {\n    convertNormalEmphasis(seriesOpt.breadcrumb, 'itemStyle');\n    zrUtil.each(seriesOpt.levels, function (opt) {\n      removeEC3NormalStatus(opt);\n    });\n  } else if (seriesOpt.type === 'tree') {\n    removeEC3NormalStatus(seriesOpt.leaves);\n  } // sunburst starts from ec4, so it does not need to compat levels.\n\n}\n\nfunction toArr(o) {\n  return zrUtil.isArray(o) ? o : o ? [o] : [];\n}\n\nfunction toObj(o) {\n  return (zrUtil.isArray(o) ? o[0] : o) || {};\n}\n\nexport default function globalCompatStyle(option, isTheme) {\n  each(toArr(option.series), function (seriesOpt) {\n    isObject(seriesOpt) && processSeries(seriesOpt);\n  });\n  var axes = ['xAxis', 'yAxis', 'radiusAxis', 'angleAxis', 'singleAxis', 'parallelAxis', 'radar'];\n  isTheme && axes.push('valueAxis', 'categoryAxis', 'logAxis', 'timeAxis');\n  each(axes, function (axisName) {\n    each(toArr(option[axisName]), function (axisOpt) {\n      if (axisOpt) {\n        compatTextStyle(axisOpt, 'axisLabel');\n        compatTextStyle(axisOpt.axisPointer, 'label');\n      }\n    });\n  });\n  each(toArr(option.parallel), function (parallelOpt) {\n    var parallelAxisDefault = parallelOpt && parallelOpt.parallelAxisDefault;\n    compatTextStyle(parallelAxisDefault, 'axisLabel');\n    compatTextStyle(parallelAxisDefault && parallelAxisDefault.axisPointer, 'label');\n  });\n  each(toArr(option.calendar), function (calendarOpt) {\n    convertNormalEmphasis(calendarOpt, 'itemStyle');\n    compatTextStyle(calendarOpt, 'dayLabel');\n    compatTextStyle(calendarOpt, 'monthLabel');\n    compatTextStyle(calendarOpt, 'yearLabel');\n  }); // radar.name.textStyle\n\n  each(toArr(option.radar), function (radarOpt) {\n    compatTextStyle(radarOpt, 'name'); // Use axisName instead of name because component has name property\n\n    if (radarOpt.name && radarOpt.axisName == null) {\n      radarOpt.axisName = radarOpt.name;\n      delete radarOpt.name;\n\n      if (process.env.NODE_ENV !== 'production') {\n        deprecateLog('name property in radar component has been changed to axisName');\n      }\n    }\n\n    if (radarOpt.nameGap != null && radarOpt.axisNameGap == null) {\n      radarOpt.axisNameGap = radarOpt.nameGap;\n      delete radarOpt.nameGap;\n\n      if (process.env.NODE_ENV !== 'production') {\n        deprecateLog('nameGap property in radar component has been changed to axisNameGap');\n      }\n    }\n  });\n  each(toArr(option.geo), function (geoOpt) {\n    if (isObject(geoOpt)) {\n      compatEC3CommonStyles(geoOpt);\n      each(toArr(geoOpt.regions), function (regionObj) {\n        compatEC3CommonStyles(regionObj);\n      });\n    }\n  });\n  each(toArr(option.timeline), function (timelineOpt) {\n    compatEC3CommonStyles(timelineOpt);\n    convertNormalEmphasis(timelineOpt, 'label');\n    convertNormalEmphasis(timelineOpt, 'itemStyle');\n    convertNormalEmphasis(timelineOpt, 'controlStyle', true);\n    var data = timelineOpt.data;\n    zrUtil.isArray(data) && zrUtil.each(data, function (item) {\n      if (zrUtil.isObject(item)) {\n        convertNormalEmphasis(item, 'label');\n        convertNormalEmphasis(item, 'itemStyle');\n      }\n    });\n  });\n  each(toArr(option.toolbox), function (toolboxOpt) {\n    convertNormalEmphasis(toolboxOpt, 'iconStyle');\n    each(toolboxOpt.feature, function (featureOpt) {\n      convertNormalEmphasis(featureOpt, 'iconStyle');\n    });\n  });\n  compatTextStyle(toObj(option.axisPointer), 'label');\n  compatTextStyle(toObj(option.tooltip).axisPointer, 'label'); // Clean logs\n  // storedLogs = {};\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { each, isArray, isObject, isTypedArray, defaults } from 'zrender/lib/core/util';\nimport compatStyle from './helper/compatStyle';\nimport { normalizeToArray } from '../util/model';\nimport { deprecateLog, deprecateReplaceLog } from '../util/log';\n\nfunction get(opt, path) {\n  var pathArr = path.split(',');\n  var obj = opt;\n\n  for (var i = 0; i < pathArr.length; i++) {\n    obj = obj && obj[pathArr[i]];\n\n    if (obj == null) {\n      break;\n    }\n  }\n\n  return obj;\n}\n\nfunction set(opt, path, val, overwrite) {\n  var pathArr = path.split(',');\n  var obj = opt;\n  var key;\n  var i = 0;\n\n  for (; i < pathArr.length - 1; i++) {\n    key = pathArr[i];\n\n    if (obj[key] == null) {\n      obj[key] = {};\n    }\n\n    obj = obj[key];\n  }\n\n  if (overwrite || obj[pathArr[i]] == null) {\n    obj[pathArr[i]] = val;\n  }\n}\n\nfunction compatLayoutProperties(option) {\n  option && each(LAYOUT_PROPERTIES, function (prop) {\n    if (prop[0] in option && !(prop[1] in option)) {\n      option[prop[1]] = option[prop[0]];\n    }\n  });\n}\n\nvar LAYOUT_PROPERTIES = [['x', 'left'], ['y', 'top'], ['x2', 'right'], ['y2', 'bottom']];\nvar COMPATITABLE_COMPONENTS = ['grid', 'geo', 'parallel', 'legend', 'toolbox', 'title', 'visualMap', 'dataZoom', 'timeline'];\nvar BAR_ITEM_STYLE_MAP = [['borderRadius', 'barBorderRadius'], ['borderColor', 'barBorderColor'], ['borderWidth', 'barBorderWidth']];\n\nfunction compatBarItemStyle(option) {\n  var itemStyle = option && option.itemStyle;\n\n  if (itemStyle) {\n    for (var i = 0; i < BAR_ITEM_STYLE_MAP.length; i++) {\n      var oldName = BAR_ITEM_STYLE_MAP[i][1];\n      var newName = BAR_ITEM_STYLE_MAP[i][0];\n\n      if (itemStyle[oldName] != null) {\n        itemStyle[newName] = itemStyle[oldName];\n\n        if (process.env.NODE_ENV !== 'production') {\n          deprecateReplaceLog(oldName, newName);\n        }\n      }\n    }\n  }\n}\n\nfunction compatPieLabel(option) {\n  if (!option) {\n    return;\n  }\n\n  if (option.alignTo === 'edge' && option.margin != null && option.edgeDistance == null) {\n    if (process.env.NODE_ENV !== 'production') {\n      deprecateReplaceLog('label.margin', 'label.edgeDistance', 'pie');\n    }\n\n    option.edgeDistance = option.margin;\n  }\n}\n\nfunction compatSunburstState(option) {\n  if (!option) {\n    return;\n  }\n\n  if (option.downplay && !option.blur) {\n    option.blur = option.downplay;\n\n    if (process.env.NODE_ENV !== 'production') {\n      deprecateReplaceLog('downplay', 'blur', 'sunburst');\n    }\n  }\n}\n\nfunction compatGraphFocus(option) {\n  if (!option) {\n    return;\n  }\n\n  if (option.focusNodeAdjacency != null) {\n    option.emphasis = option.emphasis || {};\n\n    if (option.emphasis.focus == null) {\n      if (process.env.NODE_ENV !== 'production') {\n        deprecateReplaceLog('focusNodeAdjacency', 'emphasis: { focus: \\'adjacency\\'}', 'graph/sankey');\n      }\n\n      option.emphasis.focus = 'adjacency';\n    }\n  }\n}\n\nfunction traverseTree(data, cb) {\n  if (data) {\n    for (var i = 0; i < data.length; i++) {\n      cb(data[i]);\n      data[i] && traverseTree(data[i].children, cb);\n    }\n  }\n}\n\nexport default function globalBackwardCompat(option, isTheme) {\n  compatStyle(option, isTheme); // Make sure series array for model initialization.\n\n  option.series = normalizeToArray(option.series);\n  each(option.series, function (seriesOpt) {\n    if (!isObject(seriesOpt)) {\n      return;\n    }\n\n    var seriesType = seriesOpt.type;\n\n    if (seriesType === 'line') {\n      if (seriesOpt.clipOverflow != null) {\n        seriesOpt.clip = seriesOpt.clipOverflow;\n\n        if (process.env.NODE_ENV !== 'production') {\n          deprecateReplaceLog('clipOverflow', 'clip', 'line');\n        }\n      }\n    } else if (seriesType === 'pie' || seriesType === 'gauge') {\n      if (seriesOpt.clockWise != null) {\n        seriesOpt.clockwise = seriesOpt.clockWise;\n\n        if (process.env.NODE_ENV !== 'production') {\n          deprecateReplaceLog('clockWise', 'clockwise');\n        }\n      }\n\n      compatPieLabel(seriesOpt.label);\n      var data = seriesOpt.data;\n\n      if (data && !isTypedArray(data)) {\n        for (var i = 0; i < data.length; i++) {\n          compatPieLabel(data[i]);\n        }\n      }\n\n      if (seriesOpt.hoverOffset != null) {\n        seriesOpt.emphasis = seriesOpt.emphasis || {};\n\n        if (seriesOpt.emphasis.scaleSize = null) {\n          if (process.env.NODE_ENV !== 'production') {\n            deprecateReplaceLog('hoverOffset', 'emphasis.scaleSize');\n          }\n\n          seriesOpt.emphasis.scaleSize = seriesOpt.hoverOffset;\n        }\n      }\n    } else if (seriesType === 'gauge') {\n      var pointerColor = get(seriesOpt, 'pointer.color');\n      pointerColor != null && set(seriesOpt, 'itemStyle.color', pointerColor);\n    } else if (seriesType === 'bar') {\n      compatBarItemStyle(seriesOpt);\n      compatBarItemStyle(seriesOpt.backgroundStyle);\n      compatBarItemStyle(seriesOpt.emphasis);\n      var data = seriesOpt.data;\n\n      if (data && !isTypedArray(data)) {\n        for (var i = 0; i < data.length; i++) {\n          if (typeof data[i] === 'object') {\n            compatBarItemStyle(data[i]);\n            compatBarItemStyle(data[i] && data[i].emphasis);\n          }\n        }\n      }\n    } else if (seriesType === 'sunburst') {\n      var highlightPolicy = seriesOpt.highlightPolicy;\n\n      if (highlightPolicy) {\n        seriesOpt.emphasis = seriesOpt.emphasis || {};\n\n        if (!seriesOpt.emphasis.focus) {\n          seriesOpt.emphasis.focus = highlightPolicy;\n\n          if (process.env.NODE_ENV !== 'production') {\n            deprecateReplaceLog('highlightPolicy', 'emphasis.focus', 'sunburst');\n          }\n        }\n      }\n\n      compatSunburstState(seriesOpt);\n      traverseTree(seriesOpt.data, compatSunburstState);\n    } else if (seriesType === 'graph' || seriesType === 'sankey') {\n      compatGraphFocus(seriesOpt); // TODO nodes, edges?\n    } else if (seriesType === 'map') {\n      if (seriesOpt.mapType && !seriesOpt.map) {\n        if (process.env.NODE_ENV !== 'production') {\n          deprecateReplaceLog('mapType', 'map', 'map');\n        }\n\n        seriesOpt.map = seriesOpt.mapType;\n      }\n\n      if (seriesOpt.mapLocation) {\n        if (process.env.NODE_ENV !== 'production') {\n          deprecateLog('`mapLocation` is not used anymore.');\n        }\n\n        defaults(seriesOpt, seriesOpt.mapLocation);\n      }\n    }\n\n    if (seriesOpt.hoverAnimation != null) {\n      seriesOpt.emphasis = seriesOpt.emphasis || {};\n\n      if (seriesOpt.emphasis && seriesOpt.emphasis.scale == null) {\n        if (process.env.NODE_ENV !== 'production') {\n          deprecateReplaceLog('hoverAnimation', 'emphasis.scale');\n        }\n\n        seriesOpt.emphasis.scale = seriesOpt.hoverAnimation;\n      }\n    }\n\n    compatLayoutProperties(seriesOpt);\n  }); // dataRange has changed to visualMap\n\n  if (option.dataRange) {\n    option.visualMap = option.dataRange;\n  }\n\n  each(COMPATITABLE_COMPONENTS, function (componentName) {\n    var options = option[componentName];\n\n    if (options) {\n      if (!isArray(options)) {\n        options = [options];\n      }\n\n      each(options, function (option) {\n        compatLayoutProperties(option);\n      });\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { createHashMap, each } from 'zrender/lib/core/util'; // (1) [Caution]: the logic is correct based on the premises:\n//     data processing stage is blocked in stream.\n//     See <module:echarts/stream/Scheduler#performDataProcessorTasks>\n// (2) Only register once when import repeatly.\n//     Should be executed after series filtered and before stack calculation.\n\nexport default function dataStack(ecModel) {\n  var stackInfoMap = createHashMap();\n  ecModel.eachSeries(function (seriesModel) {\n    var stack = seriesModel.get('stack'); // Compatibal: when `stack` is set as '', do not stack.\n\n    if (stack) {\n      var stackInfoList = stackInfoMap.get(stack) || stackInfoMap.set(stack, []);\n      var data = seriesModel.getData();\n      var stackInfo = {\n        // Used for calculate axis extent automatically.\n        // TODO: Type getCalculationInfo return more specific type?\n        stackResultDimension: data.getCalculationInfo('stackResultDimension'),\n        stackedOverDimension: data.getCalculationInfo('stackedOverDimension'),\n        stackedDimension: data.getCalculationInfo('stackedDimension'),\n        stackedByDimension: data.getCalculationInfo('stackedByDimension'),\n        isStackedByIndex: data.getCalculationInfo('isStackedByIndex'),\n        data: data,\n        seriesModel: seriesModel\n      }; // If stacked on axis that do not support data stack.\n\n      if (!stackInfo.stackedDimension || !(stackInfo.isStackedByIndex || stackInfo.stackedByDimension)) {\n        return;\n      }\n\n      stackInfoList.length && data.setCalculationInfo('stackedOnSeries', stackInfoList[stackInfoList.length - 1].seriesModel);\n      stackInfoList.push(stackInfo);\n    }\n  });\n  stackInfoMap.each(calculateStack);\n}\n\nfunction calculateStack(stackInfoList) {\n  each(stackInfoList, function (targetStackInfo, idxInStack) {\n    var resultVal = [];\n    var resultNaN = [NaN, NaN];\n    var dims = [targetStackInfo.stackResultDimension, targetStackInfo.stackedOverDimension];\n    var targetData = targetStackInfo.data;\n    var isStackedByIndex = targetStackInfo.isStackedByIndex; // Should not write on raw data, because stack series model list changes\n    // depending on legend selection.\n\n    var newData = targetData.map(dims, function (v0, v1, dataIndex) {\n      var sum = targetData.get(targetStackInfo.stackedDimension, dataIndex); // Consider `connectNulls` of line area, if value is NaN, stackedOver\n      // should also be NaN, to draw a appropriate belt area.\n\n      if (isNaN(sum)) {\n        return resultNaN;\n      }\n\n      var byValue;\n      var stackedDataRawIndex;\n\n      if (isStackedByIndex) {\n        stackedDataRawIndex = targetData.getRawIndex(dataIndex);\n      } else {\n        byValue = targetData.get(targetStackInfo.stackedByDimension, dataIndex);\n      } // If stackOver is NaN, chart view will render point on value start.\n\n\n      var stackedOver = NaN;\n\n      for (var j = idxInStack - 1; j >= 0; j--) {\n        var stackInfo = stackInfoList[j]; // Has been optimized by inverted indices on `stackedByDimension`.\n\n        if (!isStackedByIndex) {\n          stackedDataRawIndex = stackInfo.data.rawIndexOf(stackInfo.stackedByDimension, byValue);\n        }\n\n        if (stackedDataRawIndex >= 0) {\n          var val = stackInfo.data.getByRawIndex(stackInfo.stackResultDimension, stackedDataRawIndex); // Considering positive stack, negative stack and empty data\n\n          if (sum >= 0 && val > 0 || // Positive stack\n          sum <= 0 && val < 0 // Negative stack\n          ) {\n              sum += val;\n              stackedOver = val;\n              break;\n            }\n        }\n      }\n\n      resultVal[0] = sum;\n      resultVal[1] = stackedOver;\n      return resultVal;\n    });\n    targetData.hostModel.setData(newData); // Update for consequent calculation\n\n    targetStackInfo.data = newData;\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { isFunction, extend, createHashMap } from 'zrender/lib/core/util';\nimport makeStyleMapper from '../model/mixin/makeStyleMapper';\nimport { ITEM_STYLE_KEY_MAP } from '../model/mixin/itemStyle';\nimport { LINE_STYLE_KEY_MAP } from '../model/mixin/lineStyle';\nimport Model from '../model/Model';\nimport { makeInner } from '../util/model';\nvar inner = makeInner();\nvar defaultStyleMappers = {\n  itemStyle: makeStyleMapper(ITEM_STYLE_KEY_MAP, true),\n  lineStyle: makeStyleMapper(LINE_STYLE_KEY_MAP, true)\n};\nvar defaultColorKey = {\n  lineStyle: 'stroke',\n  itemStyle: 'fill'\n};\n\nfunction getStyleMapper(seriesModel, stylePath) {\n  var styleMapper = seriesModel.visualStyleMapper || defaultStyleMappers[stylePath];\n\n  if (!styleMapper) {\n    console.warn(\"Unkown style type '\" + stylePath + \"'.\");\n    return defaultStyleMappers.itemStyle;\n  }\n\n  return styleMapper;\n}\n\nfunction getDefaultColorKey(seriesModel, stylePath) {\n  // return defaultColorKey[stylePath] ||\n  var colorKey = seriesModel.visualDrawType || defaultColorKey[stylePath];\n\n  if (!colorKey) {\n    console.warn(\"Unkown style type '\" + stylePath + \"'.\");\n    return 'fill';\n  }\n\n  return colorKey;\n}\n\nvar seriesStyleTask = {\n  createOnAllSeries: true,\n  performRawSeries: true,\n  reset: function (seriesModel, ecModel) {\n    var data = seriesModel.getData();\n    var stylePath = seriesModel.visualStyleAccessPath || 'itemStyle'; // Set in itemStyle\n\n    var styleModel = seriesModel.getModel(stylePath);\n    var getStyle = getStyleMapper(seriesModel, stylePath);\n    var globalStyle = getStyle(styleModel);\n    var decalOption = styleModel.getShallow('decal');\n\n    if (decalOption) {\n      data.setVisual('decal', decalOption);\n      decalOption.dirty = true;\n    } // TODO\n\n\n    var colorKey = getDefaultColorKey(seriesModel, stylePath);\n    var color = globalStyle[colorKey]; // TODO style callback\n\n    var colorCallback = isFunction(color) ? color : null;\n    var hasAutoColor = globalStyle.fill === 'auto' || globalStyle.stroke === 'auto'; // Get from color palette by default.\n\n    if (!globalStyle[colorKey] || colorCallback || hasAutoColor) {\n      // Note: if some series has color specified (e.g., by itemStyle.color), we DO NOT\n      // make it effect palette. Bacause some scenarios users need to make some series\n      // transparent or as background, which should better not effect the palette.\n      var colorPalette = seriesModel.getColorFromPalette( // TODO series count changed.\n      seriesModel.name, null, ecModel.getSeriesCount());\n\n      if (!globalStyle[colorKey]) {\n        globalStyle[colorKey] = colorPalette;\n        data.setVisual('colorFromPalette', true);\n      }\n\n      globalStyle.fill = globalStyle.fill === 'auto' || typeof globalStyle.fill === 'function' ? colorPalette : globalStyle.fill;\n      globalStyle.stroke = globalStyle.stroke === 'auto' || typeof globalStyle.stroke === 'function' ? colorPalette : globalStyle.stroke;\n    }\n\n    data.setVisual('style', globalStyle);\n    data.setVisual('drawType', colorKey); // Only visible series has each data be visual encoded\n\n    if (!ecModel.isSeriesFiltered(seriesModel) && colorCallback) {\n      data.setVisual('colorFromPalette', false);\n      return {\n        dataEach: function (data, idx) {\n          var dataParams = seriesModel.getDataParams(idx);\n          var itemStyle = extend({}, globalStyle);\n          itemStyle[colorKey] = colorCallback(dataParams);\n          data.setItemVisual(idx, 'style', itemStyle);\n        }\n      };\n    }\n  }\n};\nvar sharedModel = new Model();\nvar dataStyleTask = {\n  createOnAllSeries: true,\n  performRawSeries: true,\n  reset: function (seriesModel, ecModel) {\n    if (seriesModel.ignoreStyleOnData || ecModel.isSeriesFiltered(seriesModel)) {\n      return;\n    }\n\n    var data = seriesModel.getData();\n    var stylePath = seriesModel.visualStyleAccessPath || 'itemStyle'; // Set in itemStyle\n\n    var getStyle = getStyleMapper(seriesModel, stylePath);\n    var colorKey = data.getVisual('drawType');\n    return {\n      dataEach: data.hasItemOption ? function (data, idx) {\n        // Not use getItemModel for performance considuration\n        var rawItem = data.getRawDataItem(idx);\n\n        if (rawItem && rawItem[stylePath]) {\n          sharedModel.option = rawItem[stylePath];\n          var style = getStyle(sharedModel);\n          var existsStyle = data.ensureUniqueItemVisual(idx, 'style');\n          extend(existsStyle, style);\n\n          if (sharedModel.option.decal) {\n            data.setItemVisual(idx, 'decal', sharedModel.option.decal);\n            sharedModel.option.decal.dirty = true;\n          }\n\n          if (colorKey in style) {\n            data.setItemVisual(idx, 'colorFromPalette', false);\n          }\n        }\n      } : null\n    };\n  }\n}; // Pick color from palette for the data which has not been set with color yet.\n// Note: do not support stream rendering. No such cases yet.\n\nvar dataColorPaletteTask = {\n  performRawSeries: true,\n  overallReset: function (ecModel) {\n    // Each type of series use one scope.\n    // Pie and funnel are using diferrent scopes\n    var paletteScopeGroupByType = createHashMap();\n    ecModel.eachSeries(function (seriesModel) {\n      if (!seriesModel.useColorPaletteOnData) {\n        return;\n      }\n\n      var colorScope = paletteScopeGroupByType.get(seriesModel.type);\n\n      if (!colorScope) {\n        colorScope = {};\n        paletteScopeGroupByType.set(seriesModel.type, colorScope);\n      }\n\n      inner(seriesModel).scope = colorScope;\n    });\n    ecModel.eachSeries(function (seriesModel) {\n      if (!seriesModel.useColorPaletteOnData || ecModel.isSeriesFiltered(seriesModel)) {\n        return;\n      }\n\n      var dataAll = seriesModel.getRawData();\n      var idxMap = {};\n      var data = seriesModel.getData();\n      var colorScope = inner(seriesModel).scope;\n      var stylePath = seriesModel.visualStyleAccessPath || 'itemStyle';\n      var colorKey = getDefaultColorKey(seriesModel, stylePath);\n      data.each(function (idx) {\n        var rawIdx = data.getRawIndex(idx);\n        idxMap[rawIdx] = idx;\n      }); // Iterate on data before filtered. To make sure color from palette can be\n      // Consistent when toggling legend.\n\n      dataAll.each(function (rawIdx) {\n        var idx = idxMap[rawIdx];\n        var fromPalette = data.getItemVisual(idx, 'colorFromPalette'); // Get color from palette for each data only when the color is inherited from series color, which is\n        // also picked from color palette. So following situation is not in the case:\n        // 1. series.itemStyle.color is set\n        // 2. color is encoded by visualMap\n\n        if (fromPalette) {\n          var itemStyle = data.ensureUniqueItemVisual(idx, 'style');\n          var name_1 = dataAll.getName(rawIdx) || rawIdx + '';\n          var dataCount = dataAll.count();\n          itemStyle[colorKey] = seriesModel.getColorFromPalette(name_1, colorScope, dataCount);\n        }\n      });\n    });\n  }\n};\nexport { seriesStyleTask, dataStyleTask, dataColorPaletteTask };","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../util/graphic';\nvar PI = Math.PI;\n/**\n * @param {module:echarts/ExtensionAPI} api\n * @param {Object} [opts]\n * @param {string} [opts.text]\n * @param {string} [opts.color]\n * @param {string} [opts.textColor]\n * @return {module:zrender/Element}\n */\n\nexport default function defaultLoading(api, opts) {\n  opts = opts || {};\n  zrUtil.defaults(opts, {\n    text: 'loading',\n    textColor: '#000',\n    fontSize: 12,\n    fontWeight: 'normal',\n    fontStyle: 'normal',\n    fontFamily: 'sans-serif',\n    maskColor: 'rgba(255, 255, 255, 0.8)',\n    showSpinner: true,\n    color: '#5470c6',\n    spinnerRadius: 10,\n    lineWidth: 5,\n    zlevel: 0\n  });\n  var group = new graphic.Group();\n  var mask = new graphic.Rect({\n    style: {\n      fill: opts.maskColor\n    },\n    zlevel: opts.zlevel,\n    z: 10000\n  });\n  group.add(mask);\n  var textContent = new graphic.Text({\n    style: {\n      text: opts.text,\n      fill: opts.textColor,\n      fontSize: opts.fontSize,\n      fontWeight: opts.fontWeight,\n      fontStyle: opts.fontStyle,\n      fontFamily: opts.fontFamily\n    },\n    zlevel: opts.zlevel,\n    z: 10001\n  });\n  var labelRect = new graphic.Rect({\n    style: {\n      fill: 'none'\n    },\n    textContent: textContent,\n    textConfig: {\n      position: 'right',\n      distance: 10\n    },\n    zlevel: opts.zlevel,\n    z: 10001\n  });\n  group.add(labelRect);\n  var arc;\n\n  if (opts.showSpinner) {\n    arc = new graphic.Arc({\n      shape: {\n        startAngle: -PI / 2,\n        endAngle: -PI / 2 + 0.1,\n        r: opts.spinnerRadius\n      },\n      style: {\n        stroke: opts.color,\n        lineCap: 'round',\n        lineWidth: opts.lineWidth\n      },\n      zlevel: opts.zlevel,\n      z: 10001\n    });\n    arc.animateShape(true).when(1000, {\n      endAngle: PI * 3 / 2\n    }).start('circularInOut');\n    arc.animateShape(true).when(1000, {\n      startAngle: PI * 3 / 2\n    }).delay(300).start('circularInOut');\n    group.add(arc);\n  } // Inject resize\n\n\n  group.resize = function () {\n    var textWidth = textContent.getBoundingRect().width;\n    var r = opts.showSpinner ? opts.spinnerRadius : 0; // cx = (containerWidth - arcDiameter - textDistance - textWidth) / 2\n    // textDistance needs to be calculated when both animation and text exist\n\n    var cx = (api.getWidth() - r * 2 - (opts.showSpinner && textWidth ? 10 : 0) - textWidth) / 2 - (opts.showSpinner && textWidth ? 0 : 5 + textWidth / 2) // only show the text\n    + (opts.showSpinner ? 0 : textWidth / 2) // only show the spinner\n    + (textWidth ? 0 : r);\n    var cy = api.getHeight() / 2;\n    opts.showSpinner && arc.setShape({\n      cx: cx,\n      cy: cy\n    });\n    labelRect.setShape({\n      x: cx - r,\n      y: cy - r,\n      width: r * 2,\n      height: r * 2\n    });\n    mask.setShape({\n      x: 0,\n      y: 0,\n      width: api.getWidth(),\n      height: api.getHeight()\n    });\n  };\n\n  group.resize();\n  return group;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { each, map, isFunction, createHashMap, noop, assert } from 'zrender/lib/core/util';\nimport { createTask } from './task';\nimport { getUID } from '../util/component';\nimport GlobalModel from '../model/Global';\nimport ExtensionAPI from './ExtensionAPI';\nimport { normalizeToArray } from '../util/model';\n;\n\nvar Scheduler =\n/** @class */\nfunction () {\n  function Scheduler(ecInstance, api, dataProcessorHandlers, visualHandlers) {\n    // key: handlerUID\n    this._stageTaskMap = createHashMap();\n    this.ecInstance = ecInstance;\n    this.api = api; // Fix current processors in case that in some rear cases that\n    // processors might be registered after echarts instance created.\n    // Register processors incrementally for a echarts instance is\n    // not supported by this stream architecture.\n\n    dataProcessorHandlers = this._dataProcessorHandlers = dataProcessorHandlers.slice();\n    visualHandlers = this._visualHandlers = visualHandlers.slice();\n    this._allHandlers = dataProcessorHandlers.concat(visualHandlers);\n  }\n\n  Scheduler.prototype.restoreData = function (ecModel, payload) {\n    // TODO: Only restore needed series and components, but not all components.\n    // Currently `restoreData` of all of the series and component will be called.\n    // But some independent components like `title`, `legend`, `graphic`, `toolbox`,\n    // `tooltip`, `axisPointer`, etc, do not need series refresh when `setOption`,\n    // and some components like coordinate system, axes, dataZoom, visualMap only\n    // need their target series refresh.\n    // (1) If we are implementing this feature some day, we should consider these cases:\n    // if a data processor depends on a component (e.g., dataZoomProcessor depends\n    // on the settings of `dataZoom`), it should be re-performed if the component\n    // is modified by `setOption`.\n    // (2) If a processor depends on sevral series, speicified by its `getTargetSeries`,\n    // it should be re-performed when the result array of `getTargetSeries` changed.\n    // We use `dependencies` to cover these issues.\n    // (3) How to update target series when coordinate system related components modified.\n    // TODO: simply the dirty mechanism? Check whether only the case here can set tasks dirty,\n    // and this case all of the tasks will be set as dirty.\n    ecModel.restoreData(payload); // Theoretically an overall task not only depends on each of its target series, but also\n    // depends on all of the series.\n    // The overall task is not in pipeline, and `ecModel.restoreData` only set pipeline tasks\n    // dirty. If `getTargetSeries` of an overall task returns nothing, we should also ensure\n    // that the overall task is set as dirty and to be performed, otherwise it probably cause\n    // state chaos. So we have to set dirty of all of the overall tasks manually, otherwise it\n    // probably cause state chaos (consider `dataZoomProcessor`).\n\n    this._stageTaskMap.each(function (taskRecord) {\n      var overallTask = taskRecord.overallTask;\n      overallTask && overallTask.dirty();\n    });\n  }; // If seriesModel provided, incremental threshold is check by series data.\n\n\n  Scheduler.prototype.getPerformArgs = function (task, isBlock) {\n    // For overall task\n    if (!task.__pipeline) {\n      return;\n    }\n\n    var pipeline = this._pipelineMap.get(task.__pipeline.id);\n\n    var pCtx = pipeline.context;\n    var incremental = !isBlock && pipeline.progressiveEnabled && (!pCtx || pCtx.progressiveRender) && task.__idxInPipeline > pipeline.blockIndex;\n    var step = incremental ? pipeline.step : null;\n    var modDataCount = pCtx && pCtx.modDataCount;\n    var modBy = modDataCount != null ? Math.ceil(modDataCount / step) : null;\n    return {\n      step: step,\n      modBy: modBy,\n      modDataCount: modDataCount\n    };\n  };\n\n  Scheduler.prototype.getPipeline = function (pipelineId) {\n    return this._pipelineMap.get(pipelineId);\n  };\n  /**\n   * Current, progressive rendering starts from visual and layout.\n   * Always detect render mode in the same stage, avoiding that incorrect\n   * detection caused by data filtering.\n   * Caution:\n   * `updateStreamModes` use `seriesModel.getData()`.\n   */\n\n\n  Scheduler.prototype.updateStreamModes = function (seriesModel, view) {\n    var pipeline = this._pipelineMap.get(seriesModel.uid);\n\n    var data = seriesModel.getData();\n    var dataLen = data.count(); // `progressiveRender` means that can render progressively in each\n    // animation frame. Note that some types of series do not provide\n    // `view.incrementalPrepareRender` but support `chart.appendData`. We\n    // use the term `incremental` but not `progressive` to describe the\n    // case that `chart.appendData`.\n\n    var progressiveRender = pipeline.progressiveEnabled && view.incrementalPrepareRender && dataLen >= pipeline.threshold;\n    var large = seriesModel.get('large') && dataLen >= seriesModel.get('largeThreshold'); // TODO: modDataCount should not updated if `appendData`, otherwise cause whole repaint.\n    // see `test/candlestick-large3.html`\n\n    var modDataCount = seriesModel.get('progressiveChunkMode') === 'mod' ? dataLen : null;\n    seriesModel.pipelineContext = pipeline.context = {\n      progressiveRender: progressiveRender,\n      modDataCount: modDataCount,\n      large: large\n    };\n  };\n\n  Scheduler.prototype.restorePipelines = function (ecModel) {\n    var scheduler = this;\n    var pipelineMap = scheduler._pipelineMap = createHashMap();\n    ecModel.eachSeries(function (seriesModel) {\n      var progressive = seriesModel.getProgressive();\n      var pipelineId = seriesModel.uid;\n      pipelineMap.set(pipelineId, {\n        id: pipelineId,\n        head: null,\n        tail: null,\n        threshold: seriesModel.getProgressiveThreshold(),\n        progressiveEnabled: progressive && !(seriesModel.preventIncremental && seriesModel.preventIncremental()),\n        blockIndex: -1,\n        step: Math.round(progressive || 700),\n        count: 0\n      });\n\n      scheduler._pipe(seriesModel, seriesModel.dataTask);\n    });\n  };\n\n  Scheduler.prototype.prepareStageTasks = function () {\n    var stageTaskMap = this._stageTaskMap;\n    var ecModel = this.api.getModel();\n    var api = this.api;\n    each(this._allHandlers, function (handler) {\n      var record = stageTaskMap.get(handler.uid) || stageTaskMap.set(handler.uid, {});\n      var errMsg = '';\n\n      if (process.env.NODE_ENV !== 'production') {\n        // Currently do not need to support to sepecify them both.\n        errMsg = '\"reset\" and \"overallReset\" must not be both specified.';\n      }\n\n      assert(!(handler.reset && handler.overallReset), errMsg);\n      handler.reset && this._createSeriesStageTask(handler, record, ecModel, api);\n      handler.overallReset && this._createOverallStageTask(handler, record, ecModel, api);\n    }, this);\n  };\n\n  Scheduler.prototype.prepareView = function (view, model, ecModel, api) {\n    var renderTask = view.renderTask;\n    var context = renderTask.context;\n    context.model = model;\n    context.ecModel = ecModel;\n    context.api = api;\n    renderTask.__block = !view.incrementalPrepareRender;\n\n    this._pipe(model, renderTask);\n  };\n\n  Scheduler.prototype.performDataProcessorTasks = function (ecModel, payload) {\n    // If we do not use `block` here, it should be considered when to update modes.\n    this._performStageTasks(this._dataProcessorHandlers, ecModel, payload, {\n      block: true\n    });\n  };\n\n  Scheduler.prototype.performVisualTasks = function (ecModel, payload, opt) {\n    this._performStageTasks(this._visualHandlers, ecModel, payload, opt);\n  };\n\n  Scheduler.prototype._performStageTasks = function (stageHandlers, ecModel, payload, opt) {\n    opt = opt || {};\n    var unfinished = false;\n    var scheduler = this;\n    each(stageHandlers, function (stageHandler, idx) {\n      if (opt.visualType && opt.visualType !== stageHandler.visualType) {\n        return;\n      }\n\n      var stageHandlerRecord = scheduler._stageTaskMap.get(stageHandler.uid);\n\n      var seriesTaskMap = stageHandlerRecord.seriesTaskMap;\n      var overallTask = stageHandlerRecord.overallTask;\n\n      if (overallTask) {\n        var overallNeedDirty_1;\n        var agentStubMap = overallTask.agentStubMap;\n        agentStubMap.each(function (stub) {\n          if (needSetDirty(opt, stub)) {\n            stub.dirty();\n            overallNeedDirty_1 = true;\n          }\n        });\n        overallNeedDirty_1 && overallTask.dirty();\n        scheduler.updatePayload(overallTask, payload);\n        var performArgs_1 = scheduler.getPerformArgs(overallTask, opt.block); // Execute stubs firstly, which may set the overall task dirty,\n        // then execute the overall task. And stub will call seriesModel.setData,\n        // which ensures that in the overallTask seriesModel.getData() will not\n        // return incorrect data.\n\n        agentStubMap.each(function (stub) {\n          stub.perform(performArgs_1);\n        });\n\n        if (overallTask.perform(performArgs_1)) {\n          unfinished = true;\n        }\n      } else if (seriesTaskMap) {\n        seriesTaskMap.each(function (task, pipelineId) {\n          if (needSetDirty(opt, task)) {\n            task.dirty();\n          }\n\n          var performArgs = scheduler.getPerformArgs(task, opt.block); // FIXME\n          // if intending to decalare `performRawSeries` in handlers, only\n          // stream-independent (specifically, data item independent) operations can be\n          // performed. Because is a series is filtered, most of the tasks will not\n          // be performed. A stream-dependent operation probably cause wrong biz logic.\n          // Perhaps we should not provide a separate callback for this case instead\n          // of providing the config `performRawSeries`. The stream-dependent operaions\n          // and stream-independent operations should better not be mixed.\n\n          performArgs.skip = !stageHandler.performRawSeries && ecModel.isSeriesFiltered(task.context.model);\n          scheduler.updatePayload(task, payload);\n\n          if (task.perform(performArgs)) {\n            unfinished = true;\n          }\n        });\n      }\n    });\n\n    function needSetDirty(opt, task) {\n      return opt.setDirty && (!opt.dirtyMap || opt.dirtyMap.get(task.__pipeline.id));\n    }\n\n    this.unfinished = unfinished || this.unfinished;\n  };\n\n  Scheduler.prototype.performSeriesTasks = function (ecModel) {\n    var unfinished;\n    ecModel.eachSeries(function (seriesModel) {\n      // Progress to the end for dataInit and dataRestore.\n      unfinished = seriesModel.dataTask.perform() || unfinished;\n    });\n    this.unfinished = unfinished || this.unfinished;\n  };\n\n  Scheduler.prototype.plan = function () {\n    // Travel pipelines, check block.\n    this._pipelineMap.each(function (pipeline) {\n      var task = pipeline.tail;\n\n      do {\n        if (task.__block) {\n          pipeline.blockIndex = task.__idxInPipeline;\n          break;\n        }\n\n        task = task.getUpstream();\n      } while (task);\n    });\n  };\n\n  Scheduler.prototype.updatePayload = function (task, payload) {\n    payload !== 'remain' && (task.context.payload = payload);\n  };\n\n  Scheduler.prototype._createSeriesStageTask = function (stageHandler, stageHandlerRecord, ecModel, api) {\n    var scheduler = this;\n    var oldSeriesTaskMap = stageHandlerRecord.seriesTaskMap; // The count of stages are totally about only several dozen, so\n    // do not need to reuse the map.\n\n    var newSeriesTaskMap = stageHandlerRecord.seriesTaskMap = createHashMap();\n    var seriesType = stageHandler.seriesType;\n    var getTargetSeries = stageHandler.getTargetSeries; // If a stageHandler should cover all series, `createOnAllSeries` should be declared mandatorily,\n    // to avoid some typo or abuse. Otherwise if an extension do not specify a `seriesType`,\n    // it works but it may cause other irrelevant charts blocked.\n\n    if (stageHandler.createOnAllSeries) {\n      ecModel.eachRawSeries(create);\n    } else if (seriesType) {\n      ecModel.eachRawSeriesByType(seriesType, create);\n    } else if (getTargetSeries) {\n      getTargetSeries(ecModel, api).each(create);\n    }\n\n    function create(seriesModel) {\n      var pipelineId = seriesModel.uid; // Init tasks for each seriesModel only once.\n      // Reuse original task instance.\n\n      var task = newSeriesTaskMap.set(pipelineId, oldSeriesTaskMap && oldSeriesTaskMap.get(pipelineId) || createTask({\n        plan: seriesTaskPlan,\n        reset: seriesTaskReset,\n        count: seriesTaskCount\n      }));\n      task.context = {\n        model: seriesModel,\n        ecModel: ecModel,\n        api: api,\n        // PENDING: `useClearVisual` not used?\n        useClearVisual: stageHandler.isVisual && !stageHandler.isLayout,\n        plan: stageHandler.plan,\n        reset: stageHandler.reset,\n        scheduler: scheduler\n      };\n\n      scheduler._pipe(seriesModel, task);\n    }\n  };\n\n  Scheduler.prototype._createOverallStageTask = function (stageHandler, stageHandlerRecord, ecModel, api) {\n    var scheduler = this;\n    var overallTask = stageHandlerRecord.overallTask = stageHandlerRecord.overallTask // For overall task, the function only be called on reset stage.\n    || createTask({\n      reset: overallTaskReset\n    });\n    overallTask.context = {\n      ecModel: ecModel,\n      api: api,\n      overallReset: stageHandler.overallReset,\n      scheduler: scheduler\n    };\n    var oldAgentStubMap = overallTask.agentStubMap; // The count of stages are totally about only several dozen, so\n    // do not need to reuse the map.\n\n    var newAgentStubMap = overallTask.agentStubMap = createHashMap();\n    var seriesType = stageHandler.seriesType;\n    var getTargetSeries = stageHandler.getTargetSeries;\n    var overallProgress = true;\n    var shouldOverallTaskDirty = false; // FIXME:TS never used, so comment it\n    // let modifyOutputEnd = stageHandler.modifyOutputEnd;\n    // An overall task with seriesType detected or has `getTargetSeries`, we add\n    // stub in each pipelines, it will set the overall task dirty when the pipeline\n    // progress. Moreover, to avoid call the overall task each frame (too frequent),\n    // we set the pipeline block.\n\n    var errMsg = '';\n\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = '\"createOnAllSeries\" do not supported for \"overallReset\", ' + 'becuase it will block all streams.';\n    }\n\n    assert(!stageHandler.createOnAllSeries, errMsg);\n\n    if (seriesType) {\n      ecModel.eachRawSeriesByType(seriesType, createStub);\n    } else if (getTargetSeries) {\n      getTargetSeries(ecModel, api).each(createStub);\n    } // Otherwise, (usually it is legancy case), the overall task will only be\n    // executed when upstream dirty. Otherwise the progressive rendering of all\n    // pipelines will be disabled unexpectedly. But it still needs stubs to receive\n    // dirty info from upsteam.\n    else {\n        overallProgress = false;\n        each(ecModel.getSeries(), createStub);\n      }\n\n    function createStub(seriesModel) {\n      var pipelineId = seriesModel.uid;\n      var stub = newAgentStubMap.set(pipelineId, oldAgentStubMap && oldAgentStubMap.get(pipelineId) || ( // When the result of `getTargetSeries` changed, the overallTask\n      // should be set as dirty and re-performed.\n      shouldOverallTaskDirty = true, createTask({\n        reset: stubReset,\n        onDirty: stubOnDirty\n      })));\n      stub.context = {\n        model: seriesModel,\n        overallProgress: overallProgress // FIXME:TS never used, so comment it\n        // modifyOutputEnd: modifyOutputEnd\n\n      };\n      stub.agent = overallTask;\n      stub.__block = overallProgress;\n\n      scheduler._pipe(seriesModel, stub);\n    }\n\n    if (shouldOverallTaskDirty) {\n      overallTask.dirty();\n    }\n  };\n\n  Scheduler.prototype._pipe = function (seriesModel, task) {\n    var pipelineId = seriesModel.uid;\n\n    var pipeline = this._pipelineMap.get(pipelineId);\n\n    !pipeline.head && (pipeline.head = task);\n    pipeline.tail && pipeline.tail.pipe(task);\n    pipeline.tail = task;\n    task.__idxInPipeline = pipeline.count++;\n    task.__pipeline = pipeline;\n  };\n\n  Scheduler.wrapStageHandler = function (stageHandler, visualType) {\n    if (isFunction(stageHandler)) {\n      stageHandler = {\n        overallReset: stageHandler,\n        seriesType: detectSeriseType(stageHandler)\n      };\n    }\n\n    stageHandler.uid = getUID('stageHandler');\n    visualType && (stageHandler.visualType = visualType);\n    return stageHandler;\n  };\n\n  ;\n  return Scheduler;\n}();\n\nfunction overallTaskReset(context) {\n  context.overallReset(context.ecModel, context.api, context.payload);\n}\n\nfunction stubReset(context) {\n  return context.overallProgress && stubProgress;\n}\n\nfunction stubProgress() {\n  this.agent.dirty();\n  this.getDownstream().dirty();\n}\n\nfunction stubOnDirty() {\n  this.agent && this.agent.dirty();\n}\n\nfunction seriesTaskPlan(context) {\n  return context.plan ? context.plan(context.model, context.ecModel, context.api, context.payload) : null;\n}\n\nfunction seriesTaskReset(context) {\n  if (context.useClearVisual) {\n    context.data.clearAllVisual();\n  }\n\n  var resetDefines = context.resetDefines = normalizeToArray(context.reset(context.model, context.ecModel, context.api, context.payload));\n  return resetDefines.length > 1 ? map(resetDefines, function (v, idx) {\n    return makeSeriesTaskProgress(idx);\n  }) : singleSeriesTaskProgress;\n}\n\nvar singleSeriesTaskProgress = makeSeriesTaskProgress(0);\n\nfunction makeSeriesTaskProgress(resetDefineIdx) {\n  return function (params, context) {\n    var data = context.data;\n    var resetDefine = context.resetDefines[resetDefineIdx];\n\n    if (resetDefine && resetDefine.dataEach) {\n      for (var i = params.start; i < params.end; i++) {\n        resetDefine.dataEach(data, i);\n      }\n    } else if (resetDefine && resetDefine.progress) {\n      resetDefine.progress(params, data);\n    }\n  };\n}\n\nfunction seriesTaskCount(context) {\n  return context.data.count();\n}\n/**\n * Only some legacy stage handlers (usually in echarts extensions) are pure function.\n * To ensure that they can work normally, they should work in block mode, that is,\n * they should not be started util the previous tasks finished. So they cause the\n * progressive rendering disabled. We try to detect the series type, to narrow down\n * the block range to only the series type they concern, but not all series.\n */\n\n\nfunction detectSeriseType(legacyFunc) {\n  seriesType = null;\n\n  try {\n    // Assume there is no async when calling `eachSeriesByType`.\n    legacyFunc(ecModelMock, apiMock);\n  } catch (e) {}\n\n  return seriesType;\n}\n\nvar ecModelMock = {};\nvar apiMock = {};\nvar seriesType;\nmockMethods(ecModelMock, GlobalModel);\nmockMethods(apiMock, ExtensionAPI);\n\necModelMock.eachSeriesByType = ecModelMock.eachRawSeriesByType = function (type) {\n  seriesType = type;\n};\n\necModelMock.eachComponent = function (cond) {\n  if (cond.mainType === 'series' && cond.subType) {\n    seriesType = cond.subType;\n  }\n};\n\nfunction mockMethods(target, Clz) {\n  /* eslint-disable */\n  for (var name_1 in Clz.prototype) {\n    // Do not use hasOwnProperty\n    target[name_1] = noop;\n  }\n  /* eslint-enable */\n\n}\n\nexport default Scheduler;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar colorAll = ['#37A2DA', '#32C5E9', '#67E0E3', '#9FE6B8', '#FFDB5C', '#ff9f7f', '#fb7293', '#E062AE', '#E690D1', '#e7bcf3', '#9d96f5', '#8378EA', '#96BFFF'];\nexport default {\n  color: colorAll,\n  colorLayer: [['#37A2DA', '#ffd85c', '#fd7b5f'], ['#37A2DA', '#67E0E3', '#FFDB5C', '#ff9f7f', '#E062AE', '#9d96f5'], ['#37A2DA', '#32C5E9', '#9FE6B8', '#FFDB5C', '#ff9f7f', '#fb7293', '#e7bcf3', '#8378EA', '#96BFFF'], colorAll]\n};","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar contrastColor = '#B9B8CE';\nvar backgroundColor = '#100C2A';\n\nvar axisCommon = function () {\n  return {\n    axisLine: {\n      lineStyle: {\n        color: contrastColor\n      }\n    },\n    splitLine: {\n      lineStyle: {\n        color: '#484753'\n      }\n    },\n    splitArea: {\n      areaStyle: {\n        color: ['rgba(255,255,255,0.02)', 'rgba(255,255,255,0.05)']\n      }\n    },\n    minorSplitLine: {\n      lineStyle: {\n        color: '#20203B'\n      }\n    }\n  };\n};\n\nvar colorPalette = ['#4992ff', '#7cffb2', '#fddd60', '#ff6e76', '#58d9f9', '#05c091', '#ff8a45', '#8d48e3', '#dd79ff'];\nvar theme = {\n  darkMode: true,\n  color: colorPalette,\n  backgroundColor: backgroundColor,\n  axisPointer: {\n    lineStyle: {\n      color: '#817f91'\n    },\n    crossStyle: {\n      color: '#817f91'\n    },\n    label: {\n      // TODO Contrast of label backgorundColor\n      color: '#fff'\n    }\n  },\n  legend: {\n    textStyle: {\n      color: contrastColor\n    }\n  },\n  textStyle: {\n    color: contrastColor\n  },\n  title: {\n    textStyle: {\n      color: '#EEF1FA'\n    },\n    subtextStyle: {\n      color: '#B9B8CE'\n    }\n  },\n  toolbox: {\n    iconStyle: {\n      borderColor: contrastColor\n    }\n  },\n  dataZoom: {\n    borderColor: '#71708A',\n    textStyle: {\n      color: contrastColor\n    },\n    brushStyle: {\n      color: 'rgba(135,163,206,0.3)'\n    },\n    handleStyle: {\n      color: '#353450',\n      borderColor: '#C5CBE3'\n    },\n    moveHandleStyle: {\n      color: '#B0B6C3',\n      opacity: 0.3\n    },\n    fillerColor: 'rgba(135,163,206,0.2)',\n    emphasis: {\n      handleStyle: {\n        borderColor: '#91B7F2',\n        color: '#4D587D'\n      },\n      moveHandleStyle: {\n        color: '#636D9A',\n        opacity: 0.7\n      }\n    },\n    dataBackground: {\n      lineStyle: {\n        color: '#71708A',\n        width: 1\n      },\n      areaStyle: {\n        color: '#71708A'\n      }\n    },\n    selectedDataBackground: {\n      lineStyle: {\n        color: '#87A3CE'\n      },\n      areaStyle: {\n        color: '#87A3CE'\n      }\n    }\n  },\n  visualMap: {\n    textStyle: {\n      color: contrastColor\n    }\n  },\n  timeline: {\n    lineStyle: {\n      color: contrastColor\n    },\n    label: {\n      color: contrastColor\n    },\n    controlStyle: {\n      color: contrastColor,\n      borderColor: contrastColor\n    }\n  },\n  calendar: {\n    itemStyle: {\n      color: backgroundColor\n    },\n    dayLabel: {\n      color: contrastColor\n    },\n    monthLabel: {\n      color: contrastColor\n    },\n    yearLabel: {\n      color: contrastColor\n    }\n  },\n  timeAxis: axisCommon(),\n  logAxis: axisCommon(),\n  valueAxis: axisCommon(),\n  categoryAxis: axisCommon(),\n  line: {\n    symbol: 'circle'\n  },\n  graph: {\n    color: colorPalette\n  },\n  gauge: {\n    title: {\n      color: contrastColor\n    },\n    axisLine: {\n      lineStyle: {\n        color: [[1, 'rgba(207,212,219,0.2)']]\n      }\n    },\n    axisLabel: {\n      color: contrastColor\n    },\n    detail: {\n      color: '#EEF1FA'\n    }\n  },\n  candlestick: {\n    itemStyle: {\n      color: '#f64e56',\n      color0: '#54ea92',\n      borderColor: '#f64e56',\n      borderColor0: '#54ea92' // borderColor: '#ca2824',\n      // borderColor0: '#09a443'\n\n    }\n  }\n};\ntheme.categoryAxis.splitLine.show = false;\nexport default theme;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { parseClassType } from './clazz';\n/**\n * Usage of query:\n * `chart.on('click', query, handler);`\n * The `query` can be:\n * + The component type query string, only `mainType` or `mainType.subType`,\n *   like: 'xAxis', 'series', 'xAxis.category' or 'series.line'.\n * + The component query object, like:\n *   `{seriesIndex: 2}`, `{seriesName: 'xx'}`, `{seriesId: 'some'}`,\n *   `{xAxisIndex: 2}`, `{xAxisName: 'xx'}`, `{xAxisId: 'some'}`.\n * + The data query object, like:\n *   `{dataIndex: 123}`, `{dataType: 'link'}`, `{name: 'some'}`.\n * + The other query object (cmponent customized query), like:\n *   `{element: 'some'}` (only available in custom series).\n *\n * Caveat: If a prop in the `query` object is `null/undefined`, it is the\n * same as there is no such prop in the `query` object.\n */\n\nvar ECEventProcessor =\n/** @class */\nfunction () {\n  function ECEventProcessor() {}\n\n  ECEventProcessor.prototype.normalizeQuery = function (query) {\n    var cptQuery = {};\n    var dataQuery = {};\n    var otherQuery = {}; // `query` is `mainType` or `mainType.subType` of component.\n\n    if (zrUtil.isString(query)) {\n      var condCptType = parseClassType(query); // `.main` and `.sub` may be ''.\n\n      cptQuery.mainType = condCptType.main || null;\n      cptQuery.subType = condCptType.sub || null;\n    } // `query` is an object, convert to {mainType, index, name, id}.\n    else {\n        // `xxxIndex`, `xxxName`, `xxxId`, `name`, `dataIndex`, `dataType` is reserved,\n        // can not be used in `compomentModel.filterForExposedEvent`.\n        var suffixes_1 = ['Index', 'Name', 'Id'];\n        var dataKeys_1 = {\n          name: 1,\n          dataIndex: 1,\n          dataType: 1\n        };\n        zrUtil.each(query, function (val, key) {\n          var reserved = false;\n\n          for (var i = 0; i < suffixes_1.length; i++) {\n            var propSuffix = suffixes_1[i];\n            var suffixPos = key.lastIndexOf(propSuffix);\n\n            if (suffixPos > 0 && suffixPos === key.length - propSuffix.length) {\n              var mainType = key.slice(0, suffixPos); // Consider `dataIndex`.\n\n              if (mainType !== 'data') {\n                cptQuery.mainType = mainType;\n                cptQuery[propSuffix.toLowerCase()] = val;\n                reserved = true;\n              }\n            }\n          }\n\n          if (dataKeys_1.hasOwnProperty(key)) {\n            dataQuery[key] = val;\n            reserved = true;\n          }\n\n          if (!reserved) {\n            otherQuery[key] = val;\n          }\n        });\n      }\n\n    return {\n      cptQuery: cptQuery,\n      dataQuery: dataQuery,\n      otherQuery: otherQuery\n    };\n  };\n\n  ECEventProcessor.prototype.filter = function (eventType, query) {\n    // They should be assigned before each trigger call.\n    var eventInfo = this.eventInfo;\n\n    if (!eventInfo) {\n      return true;\n    }\n\n    var targetEl = eventInfo.targetEl;\n    var packedEvent = eventInfo.packedEvent;\n    var model = eventInfo.model;\n    var view = eventInfo.view; // For event like 'globalout'.\n\n    if (!model || !view) {\n      return true;\n    }\n\n    var cptQuery = query.cptQuery;\n    var dataQuery = query.dataQuery;\n    return check(cptQuery, model, 'mainType') && check(cptQuery, model, 'subType') && check(cptQuery, model, 'index', 'componentIndex') && check(cptQuery, model, 'name') && check(cptQuery, model, 'id') && check(dataQuery, packedEvent, 'name') && check(dataQuery, packedEvent, 'dataIndex') && check(dataQuery, packedEvent, 'dataType') && (!view.filterForExposedEvent || view.filterForExposedEvent(eventType, query.otherQuery, targetEl, packedEvent));\n\n    function check(query, host, prop, propOnHost) {\n      return query[prop] == null || host[propOnHost || prop] === query[prop];\n    }\n  };\n\n  ECEventProcessor.prototype.afterTrigger = function () {\n    // Make sure the eventInfo wont be used in next trigger.\n    this.eventInfo = null;\n  };\n\n  return ECEventProcessor;\n}();\n\nexport { ECEventProcessor };\n;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { isFunction } from 'zrender/lib/core/util'; // Encoding visual for all series include which is filtered for legend drawing\n\nvar seriesSymbolTask = {\n  createOnAllSeries: true,\n  // For legend.\n  performRawSeries: true,\n  reset: function (seriesModel, ecModel) {\n    var data = seriesModel.getData();\n\n    if (seriesModel.legendSymbol) {\n      data.setVisual('legendSymbol', seriesModel.legendSymbol);\n    }\n\n    if (!seriesModel.hasSymbolVisual) {\n      return;\n    }\n\n    var symbolType = seriesModel.get('symbol');\n    var symbolSize = seriesModel.get('symbolSize');\n    var keepAspect = seriesModel.get('symbolKeepAspect');\n    var symbolRotate = seriesModel.get('symbolRotate');\n    var symbolOffset = seriesModel.get('symbolOffset');\n    var hasSymbolTypeCallback = isFunction(symbolType);\n    var hasSymbolSizeCallback = isFunction(symbolSize);\n    var hasSymbolRotateCallback = isFunction(symbolRotate);\n    var hasSymbolOffsetCallback = isFunction(symbolOffset);\n    var hasCallback = hasSymbolTypeCallback || hasSymbolSizeCallback || hasSymbolRotateCallback || hasSymbolOffsetCallback;\n    var seriesSymbol = !hasSymbolTypeCallback && symbolType ? symbolType : seriesModel.defaultSymbol;\n    var seriesSymbolSize = !hasSymbolSizeCallback ? symbolSize : null;\n    var seriesSymbolRotate = !hasSymbolRotateCallback ? symbolRotate : null;\n    var seriesSymbolOffset = !hasSymbolOffsetCallback ? symbolOffset : null;\n    data.setVisual({\n      legendSymbol: seriesModel.legendSymbol || seriesSymbol,\n      // If seting callback functions on `symbol` or `symbolSize`, for simplicity and avoiding\n      // to bring trouble, we do not pick a reuslt from one of its calling on data item here,\n      // but just use the default value. Callback on `symbol` or `symbolSize` is convenient in\n      // some cases but generally it is not recommanded.\n      symbol: seriesSymbol,\n      symbolSize: seriesSymbolSize,\n      symbolKeepAspect: keepAspect,\n      symbolRotate: seriesSymbolRotate,\n      symbolOffset: seriesSymbolOffset\n    }); // Only visible series has each data be visual encoded\n\n    if (ecModel.isSeriesFiltered(seriesModel)) {\n      return;\n    }\n\n    function dataEach(data, idx) {\n      var rawValue = seriesModel.getRawValue(idx);\n      var params = seriesModel.getDataParams(idx);\n      hasSymbolTypeCallback && data.setItemVisual(idx, 'symbol', symbolType(rawValue, params));\n      hasSymbolSizeCallback && data.setItemVisual(idx, 'symbolSize', symbolSize(rawValue, params));\n      hasSymbolRotateCallback && data.setItemVisual(idx, 'symbolRotate', symbolRotate(rawValue, params));\n      hasSymbolOffsetCallback && data.setItemVisual(idx, 'symbolOffset', symbolOffset(rawValue, params));\n    }\n\n    return {\n      dataEach: hasCallback ? dataEach : null\n    };\n  }\n};\nvar dataSymbolTask = {\n  createOnAllSeries: true,\n  // For legend.\n  performRawSeries: true,\n  reset: function (seriesModel, ecModel) {\n    if (!seriesModel.hasSymbolVisual) {\n      return;\n    } // Only visible series has each data be visual encoded\n\n\n    if (ecModel.isSeriesFiltered(seriesModel)) {\n      return;\n    }\n\n    var data = seriesModel.getData();\n\n    function dataEach(data, idx) {\n      var itemModel = data.getItemModel(idx);\n      var itemSymbolType = itemModel.getShallow('symbol', true);\n      var itemSymbolSize = itemModel.getShallow('symbolSize', true);\n      var itemSymbolRotate = itemModel.getShallow('symbolRotate', true);\n      var itemSymbolOffset = itemModel.getShallow('symbolOffset', true);\n      var itemSymbolKeepAspect = itemModel.getShallow('symbolKeepAspect', true); // If has item symbol\n\n      if (itemSymbolType != null) {\n        data.setItemVisual(idx, 'symbol', itemSymbolType);\n      }\n\n      if (itemSymbolSize != null) {\n        // PENDING Transform symbolSize ?\n        data.setItemVisual(idx, 'symbolSize', itemSymbolSize);\n      }\n\n      if (itemSymbolRotate != null) {\n        data.setItemVisual(idx, 'symbolRotate', itemSymbolRotate);\n      }\n\n      if (itemSymbolOffset != null) {\n        data.setItemVisual(idx, 'symbolOffset', itemSymbolOffset);\n      }\n\n      if (itemSymbolKeepAspect != null) {\n        data.setItemVisual(idx, 'symbolKeepAspect', itemSymbolKeepAspect);\n      }\n    }\n\n    return {\n      dataEach: data.hasItemOption ? dataEach : null\n    };\n  }\n};\nexport { seriesSymbolTask, dataSymbolTask };","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// TODO: move labels out of viewport.\nimport { BoundingRect, updateProps, initProps, isElementRemoved } from '../util/graphic';\nimport { getECData } from '../util/innerStore';\nimport { parsePercent } from '../util/number';\nimport Transformable from 'zrender/lib/core/Transformable';\nimport { updateLabelLinePoints, setLabelLineStyle, getLabelLineStatesModels } from './labelGuideHelper';\nimport { makeInner } from '../util/model';\nimport { retrieve2, each, keys, isFunction, filter, indexOf } from 'zrender/lib/core/util';\nimport { prepareLayoutList, hideOverlap, shiftLayoutOnX, shiftLayoutOnY } from './labelLayoutHelper';\nimport { labelInner, animateLabelValue } from './labelStyle';\n\nfunction cloneArr(points) {\n  if (points) {\n    var newPoints = [];\n\n    for (var i = 0; i < points.length; i++) {\n      newPoints.push(points[i].slice());\n    }\n\n    return newPoints;\n  }\n}\n\nfunction prepareLayoutCallbackParams(labelItem, hostEl) {\n  var label = labelItem.label;\n  var labelLine = hostEl && hostEl.getTextGuideLine();\n  return {\n    dataIndex: labelItem.dataIndex,\n    dataType: labelItem.dataType,\n    seriesIndex: labelItem.seriesModel.seriesIndex,\n    text: labelItem.label.style.text,\n    rect: labelItem.hostRect,\n    labelRect: labelItem.rect,\n    // x: labelAttr.x,\n    // y: labelAttr.y,\n    align: label.style.align,\n    verticalAlign: label.style.verticalAlign,\n    labelLinePoints: cloneArr(labelLine && labelLine.shape.points)\n  };\n}\n\nvar LABEL_OPTION_TO_STYLE_KEYS = ['align', 'verticalAlign', 'width', 'height', 'fontSize'];\nvar dummyTransformable = new Transformable();\nvar labelLayoutInnerStore = makeInner();\nvar labelLineAnimationStore = makeInner();\n\nfunction extendWithKeys(target, source, keys) {\n  for (var i = 0; i < keys.length; i++) {\n    var key = keys[i];\n\n    if (source[key] != null) {\n      target[key] = source[key];\n    }\n  }\n}\n\nvar LABEL_LAYOUT_PROPS = ['x', 'y', 'rotation'];\n\nvar LabelManager =\n/** @class */\nfunction () {\n  function LabelManager() {\n    this._labelList = [];\n    this._chartViewList = [];\n  }\n\n  LabelManager.prototype.clearLabels = function () {\n    this._labelList = [];\n    this._chartViewList = [];\n  };\n  /**\n   * Add label to manager\n   */\n\n\n  LabelManager.prototype._addLabel = function (dataIndex, dataType, seriesModel, label, layoutOption) {\n    var labelStyle = label.style;\n    var hostEl = label.__hostTarget;\n    var textConfig = hostEl.textConfig || {}; // TODO: If label is in other state.\n\n    var labelTransform = label.getComputedTransform();\n    var labelRect = label.getBoundingRect().plain();\n    BoundingRect.applyTransform(labelRect, labelRect, labelTransform);\n\n    if (labelTransform) {\n      dummyTransformable.setLocalTransform(labelTransform);\n    } else {\n      // Identity transform.\n      dummyTransformable.x = dummyTransformable.y = dummyTransformable.rotation = dummyTransformable.originX = dummyTransformable.originY = 0;\n      dummyTransformable.scaleX = dummyTransformable.scaleY = 1;\n    }\n\n    var host = label.__hostTarget;\n    var hostRect;\n\n    if (host) {\n      hostRect = host.getBoundingRect().plain();\n      var transform = host.getComputedTransform();\n      BoundingRect.applyTransform(hostRect, hostRect, transform);\n    }\n\n    var labelGuide = hostRect && host.getTextGuideLine();\n\n    this._labelList.push({\n      label: label,\n      labelLine: labelGuide,\n      seriesModel: seriesModel,\n      dataIndex: dataIndex,\n      dataType: dataType,\n      layoutOption: layoutOption,\n      computedLayoutOption: null,\n      rect: labelRect,\n      hostRect: hostRect,\n      // Label with lower priority will be hidden when overlapped\n      // Use rect size as default priority\n      priority: hostRect ? hostRect.width * hostRect.height : 0,\n      // Save default label attributes.\n      // For restore if developers want get back to default value in callback.\n      defaultAttr: {\n        ignore: label.ignore,\n        labelGuideIgnore: labelGuide && labelGuide.ignore,\n        x: dummyTransformable.x,\n        y: dummyTransformable.y,\n        scaleX: dummyTransformable.scaleX,\n        scaleY: dummyTransformable.scaleY,\n        rotation: dummyTransformable.rotation,\n        style: {\n          x: labelStyle.x,\n          y: labelStyle.y,\n          align: labelStyle.align,\n          verticalAlign: labelStyle.verticalAlign,\n          width: labelStyle.width,\n          height: labelStyle.height,\n          fontSize: labelStyle.fontSize\n        },\n        cursor: label.cursor,\n        attachedPos: textConfig.position,\n        attachedRot: textConfig.rotation\n      }\n    });\n  };\n\n  LabelManager.prototype.addLabelsOfSeries = function (chartView) {\n    var _this = this;\n\n    this._chartViewList.push(chartView);\n\n    var seriesModel = chartView.__model;\n    var layoutOption = seriesModel.get('labelLayout');\n    /**\n     * Ignore layouting if it's not specified anything.\n     */\n\n    if (!(isFunction(layoutOption) || keys(layoutOption).length)) {\n      return;\n    }\n\n    chartView.group.traverse(function (child) {\n      if (child.ignore) {\n        return true; // Stop traverse descendants.\n      } // Only support label being hosted on graphic elements.\n\n\n      var textEl = child.getTextContent();\n      var ecData = getECData(child); // Can only attach the text on the element with dataIndex\n\n      if (textEl && !textEl.disableLabelLayout) {\n        _this._addLabel(ecData.dataIndex, ecData.dataType, seriesModel, textEl, layoutOption);\n      }\n    });\n  };\n\n  LabelManager.prototype.updateLayoutConfig = function (api) {\n    var width = api.getWidth();\n    var height = api.getHeight();\n\n    function createDragHandler(el, labelLineModel) {\n      return function () {\n        updateLabelLinePoints(el, labelLineModel);\n      };\n    }\n\n    for (var i = 0; i < this._labelList.length; i++) {\n      var labelItem = this._labelList[i];\n      var label = labelItem.label;\n      var hostEl = label.__hostTarget;\n      var defaultLabelAttr = labelItem.defaultAttr;\n      var layoutOption = void 0; // TODO A global layout option?\n\n      if (typeof labelItem.layoutOption === 'function') {\n        layoutOption = labelItem.layoutOption(prepareLayoutCallbackParams(labelItem, hostEl));\n      } else {\n        layoutOption = labelItem.layoutOption;\n      }\n\n      layoutOption = layoutOption || {};\n      labelItem.computedLayoutOption = layoutOption;\n      var degreeToRadian = Math.PI / 180; // TODO hostEl should always exists.\n      // Or label should not have parent because the x, y is all in global space.\n\n      if (hostEl) {\n        hostEl.setTextConfig({\n          // Force to set local false.\n          local: false,\n          // Ignore position and rotation config on the host el if x or y is changed.\n          position: layoutOption.x != null || layoutOption.y != null ? null : defaultLabelAttr.attachedPos,\n          // Ignore rotation config on the host el if rotation is changed.\n          rotation: layoutOption.rotate != null ? layoutOption.rotate * degreeToRadian : defaultLabelAttr.attachedRot,\n          offset: [layoutOption.dx || 0, layoutOption.dy || 0]\n        });\n      }\n\n      var needsUpdateLabelLine = false;\n\n      if (layoutOption.x != null) {\n        // TODO width of chart view.\n        label.x = parsePercent(layoutOption.x, width);\n        label.setStyle('x', 0); // Ignore movement in style. TODO: origin.\n\n        needsUpdateLabelLine = true;\n      } else {\n        label.x = defaultLabelAttr.x;\n        label.setStyle('x', defaultLabelAttr.style.x);\n      }\n\n      if (layoutOption.y != null) {\n        // TODO height of chart view.\n        label.y = parsePercent(layoutOption.y, height);\n        label.setStyle('y', 0); // Ignore movement in style.\n\n        needsUpdateLabelLine = true;\n      } else {\n        label.y = defaultLabelAttr.y;\n        label.setStyle('y', defaultLabelAttr.style.y);\n      }\n\n      if (layoutOption.labelLinePoints) {\n        var guideLine = hostEl.getTextGuideLine();\n\n        if (guideLine) {\n          guideLine.setShape({\n            points: layoutOption.labelLinePoints\n          }); // Not update\n\n          needsUpdateLabelLine = false;\n        }\n      }\n\n      var labelLayoutStore = labelLayoutInnerStore(label);\n      labelLayoutStore.needsUpdateLabelLine = needsUpdateLabelLine;\n      label.rotation = layoutOption.rotate != null ? layoutOption.rotate * degreeToRadian : defaultLabelAttr.rotation;\n      label.scaleX = defaultLabelAttr.scaleX;\n      label.scaleY = defaultLabelAttr.scaleY;\n\n      for (var k = 0; k < LABEL_OPTION_TO_STYLE_KEYS.length; k++) {\n        var key = LABEL_OPTION_TO_STYLE_KEYS[k];\n        label.setStyle(key, layoutOption[key] != null ? layoutOption[key] : defaultLabelAttr.style[key]);\n      }\n\n      if (layoutOption.draggable) {\n        label.draggable = true;\n        label.cursor = 'move';\n\n        if (hostEl) {\n          var hostModel = labelItem.seriesModel;\n\n          if (labelItem.dataIndex != null) {\n            var data = labelItem.seriesModel.getData(labelItem.dataType);\n            hostModel = data.getItemModel(labelItem.dataIndex);\n          }\n\n          label.on('drag', createDragHandler(hostEl, hostModel.getModel('labelLine')));\n        }\n      } else {\n        // TODO Other drag functions?\n        label.off('drag');\n        label.cursor = defaultLabelAttr.cursor;\n      }\n    }\n  };\n\n  LabelManager.prototype.layout = function (api) {\n    var width = api.getWidth();\n    var height = api.getHeight();\n    var labelList = prepareLayoutList(this._labelList);\n    var labelsNeedsAdjustOnX = filter(labelList, function (item) {\n      return item.layoutOption.moveOverlap === 'shiftX';\n    });\n    var labelsNeedsAdjustOnY = filter(labelList, function (item) {\n      return item.layoutOption.moveOverlap === 'shiftY';\n    });\n    shiftLayoutOnX(labelsNeedsAdjustOnX, 0, width);\n    shiftLayoutOnY(labelsNeedsAdjustOnY, 0, height);\n    var labelsNeedsHideOverlap = filter(labelList, function (item) {\n      return item.layoutOption.hideOverlap;\n    });\n    hideOverlap(labelsNeedsHideOverlap);\n  };\n  /**\n   * Process all labels. Not only labels with layoutOption.\n   */\n\n\n  LabelManager.prototype.processLabelsOverall = function () {\n    var _this = this;\n\n    each(this._chartViewList, function (chartView) {\n      var seriesModel = chartView.__model;\n      var ignoreLabelLineUpdate = chartView.ignoreLabelLineUpdate;\n      var animationEnabled = seriesModel.isAnimationEnabled();\n      chartView.group.traverse(function (child) {\n        if (child.ignore) {\n          return true; // Stop traverse descendants.\n        }\n\n        var needsUpdateLabelLine = !ignoreLabelLineUpdate;\n        var label = child.getTextContent();\n\n        if (!needsUpdateLabelLine && label) {\n          needsUpdateLabelLine = labelLayoutInnerStore(label).needsUpdateLabelLine;\n        }\n\n        if (needsUpdateLabelLine) {\n          _this._updateLabelLine(child, seriesModel);\n        }\n\n        if (animationEnabled) {\n          _this._animateLabels(child, seriesModel);\n        }\n      });\n    });\n  };\n\n  LabelManager.prototype._updateLabelLine = function (el, seriesModel) {\n    // Only support label being hosted on graphic elements.\n    var textEl = el.getTextContent(); // Update label line style.\n\n    var ecData = getECData(el);\n    var dataIndex = ecData.dataIndex; // Only support labelLine on the labels represent data.\n\n    if (textEl && dataIndex != null) {\n      var data = seriesModel.getData(ecData.dataType);\n      var itemModel = data.getItemModel(dataIndex);\n      var defaultStyle = {};\n      var visualStyle = data.getItemVisual(dataIndex, 'style');\n      var visualType = data.getVisual('drawType'); // Default to be same with main color\n\n      defaultStyle.stroke = visualStyle[visualType];\n      var labelLineModel = itemModel.getModel('labelLine');\n      setLabelLineStyle(el, getLabelLineStatesModels(itemModel), defaultStyle);\n      updateLabelLinePoints(el, labelLineModel);\n    }\n  };\n\n  LabelManager.prototype._animateLabels = function (el, seriesModel) {\n    var textEl = el.getTextContent();\n    var guideLine = el.getTextGuideLine(); // Animate\n\n    if (textEl && !textEl.ignore && !textEl.invisible && !el.disableLabelAnimation && !isElementRemoved(el)) {\n      var layoutStore = labelLayoutInnerStore(textEl);\n      var oldLayout = layoutStore.oldLayout;\n      var ecData = getECData(el);\n      var dataIndex = ecData.dataIndex;\n      var newProps = {\n        x: textEl.x,\n        y: textEl.y,\n        rotation: textEl.rotation\n      };\n      var data = seriesModel.getData(ecData.dataType);\n\n      if (!oldLayout) {\n        textEl.attr(newProps); // Disable fade in animation if value animation is enabled.\n\n        if (!labelInner(textEl).valueAnimation) {\n          var oldOpacity = retrieve2(textEl.style.opacity, 1); // Fade in animation\n\n          textEl.style.opacity = 0;\n          initProps(textEl, {\n            style: {\n              opacity: oldOpacity\n            }\n          }, seriesModel, dataIndex);\n        }\n      } else {\n        textEl.attr(oldLayout); // Make sure the animation from is in the right status.\n\n        var prevStates = el.prevStates;\n\n        if (prevStates) {\n          if (indexOf(prevStates, 'select') >= 0) {\n            textEl.attr(layoutStore.oldLayoutSelect);\n          }\n\n          if (indexOf(prevStates, 'emphasis') >= 0) {\n            textEl.attr(layoutStore.oldLayoutEmphasis);\n          }\n        }\n\n        updateProps(textEl, newProps, seriesModel, dataIndex);\n      }\n\n      layoutStore.oldLayout = newProps;\n\n      if (textEl.states.select) {\n        var layoutSelect = layoutStore.oldLayoutSelect = {};\n        extendWithKeys(layoutSelect, newProps, LABEL_LAYOUT_PROPS);\n        extendWithKeys(layoutSelect, textEl.states.select, LABEL_LAYOUT_PROPS);\n      }\n\n      if (textEl.states.emphasis) {\n        var layoutEmphasis = layoutStore.oldLayoutEmphasis = {};\n        extendWithKeys(layoutEmphasis, newProps, LABEL_LAYOUT_PROPS);\n        extendWithKeys(layoutEmphasis, textEl.states.emphasis, LABEL_LAYOUT_PROPS);\n      }\n\n      animateLabelValue(textEl, dataIndex, data, seriesModel, seriesModel);\n    }\n\n    if (guideLine && !guideLine.ignore && !guideLine.invisible) {\n      var layoutStore = labelLineAnimationStore(guideLine);\n      var oldLayout = layoutStore.oldLayout;\n      var newLayout = {\n        points: guideLine.shape.points\n      };\n\n      if (!oldLayout) {\n        guideLine.setShape(newLayout);\n        guideLine.style.strokePercent = 0;\n        initProps(guideLine, {\n          style: {\n            strokePercent: 1\n          }\n        }, seriesModel);\n      } else {\n        guideLine.attr({\n          shape: oldLayout\n        });\n        updateProps(guideLine, {\n          shape: newLayout\n        }, seriesModel);\n      }\n\n      layoutStore.oldLayout = newLayout;\n    }\n  };\n\n  return LabelManager;\n}();\n\nexport default LabelManager;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\nimport { __extends } from \"tslib\";\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\nimport * as zrender from 'zrender/lib/zrender';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as colorTool from 'zrender/lib/tool/color';\nimport env from 'zrender/lib/core/env';\nimport timsort from 'zrender/lib/core/timsort';\nimport Eventful from 'zrender/lib/core/Eventful';\nimport GlobalModel from '../model/Global';\nimport ExtensionAPI from './ExtensionAPI';\nimport CoordinateSystemManager from './CoordinateSystem';\nimport OptionManager from '../model/OptionManager';\nimport backwardCompat from '../preprocessor/backwardCompat';\nimport dataStack from '../processor/dataStack';\nimport SeriesModel from '../model/Series';\nimport ComponentView from '../view/Component';\nimport ChartView from '../view/Chart';\nimport * as graphic from '../util/graphic';\nimport { getECData } from '../util/innerStore';\nimport { isHighDownDispatcher, HOVER_STATE_EMPHASIS, HOVER_STATE_BLUR, blurSeriesFromHighlightPayload, toggleSelectionFromPayload, updateSeriesElementSelection, getAllSelectedIndices, isSelectChangePayload, isHighDownPayload, HIGHLIGHT_ACTION_TYPE, DOWNPLAY_ACTION_TYPE, SELECT_ACTION_TYPE, UNSELECT_ACTION_TYPE, TOGGLE_SELECT_ACTION_TYPE, savePathStates, enterEmphasis, leaveEmphasis, leaveBlur, enterSelect, leaveSelect, enterBlur, allLeaveBlur, findComponentHighDownDispatchers, blurComponent, handleGlobalMouseOverForHighDown, handleGlboalMouseOutForHighDown } from '../util/states';\nimport * as modelUtil from '../util/model';\nimport { throttle } from '../util/throttle';\nimport { seriesStyleTask, dataStyleTask, dataColorPaletteTask } from '../visual/style';\nimport loadingDefault from '../loading/default';\nimport Scheduler from './Scheduler';\nimport lightTheme from '../theme/light';\nimport darkTheme from '../theme/dark';\nimport { parseClassType } from '../util/clazz';\nimport { ECEventProcessor } from '../util/ECEventProcessor';\nimport { seriesSymbolTask, dataSymbolTask } from '../visual/symbol';\nimport { getVisualFromData, getItemVisualFromData } from '../visual/helper';\nimport LabelManager from '../label/LabelManager';\nimport { deprecateLog, throwError } from '../util/log';\nimport { handleLegacySelectEvents } from '../legacy/dataSelectAction';\nimport { registerExternalTransform } from '../data/helper/transform';\nimport { createLocaleObject, SYSTEM_LANG } from './locale';\nimport { findEventDispatcher } from '../util/event';\nimport decal from '../visual/decal';\nimport geoSourceManager from '../coord/geo/geoSourceManager';\nvar assert = zrUtil.assert;\nvar each = zrUtil.each;\nvar isFunction = zrUtil.isFunction;\nvar isObject = zrUtil.isObject;\nvar indexOf = zrUtil.indexOf;\nvar hasWindow = typeof window !== 'undefined';\nexport var version = '5.1.1';\nexport var dependencies = {\n  zrender: '5.1.0'\n};\nvar TEST_FRAME_REMAIN_TIME = 1;\nvar PRIORITY_PROCESSOR_SERIES_FILTER = 800; // Some data processors depends on the stack result dimension (to calculate data extent).\n// So data stack stage should be in front of data processing stage.\n\nvar PRIORITY_PROCESSOR_DATASTACK = 900; // \"Data filter\" will block the stream, so it should be\n// put at the begining of data processing.\n\nvar PRIORITY_PROCESSOR_FILTER = 1000;\nvar PRIORITY_PROCESSOR_DEFAULT = 2000;\nvar PRIORITY_PROCESSOR_STATISTIC = 5000;\nvar PRIORITY_VISUAL_LAYOUT = 1000;\nvar PRIORITY_VISUAL_PROGRESSIVE_LAYOUT = 1100;\nvar PRIORITY_VISUAL_GLOBAL = 2000;\nvar PRIORITY_VISUAL_CHART = 3000;\nvar PRIORITY_VISUAL_COMPONENT = 4000; // Visual property in data. Greater than `PRIORITY_VISUAL_COMPONENT` to enable to\n// overwrite the viusal result of component (like `visualMap`)\n// using data item specific setting (like itemStyle.xxx on data item)\n\nvar PRIORITY_VISUAL_CHART_DATA_CUSTOM = 4500; // Greater than `PRIORITY_VISUAL_CHART_DATA_CUSTOM` to enable to layout based on\n// visual result like `symbolSize`.\n\nvar PRIORITY_VISUAL_POST_CHART_LAYOUT = 4600;\nvar PRIORITY_VISUAL_BRUSH = 5000;\nvar PRIORITY_VISUAL_ARIA = 6000;\nvar PRIORITY_VISUAL_DECAL = 7000;\nexport var PRIORITY = {\n  PROCESSOR: {\n    FILTER: PRIORITY_PROCESSOR_FILTER,\n    SERIES_FILTER: PRIORITY_PROCESSOR_SERIES_FILTER,\n    STATISTIC: PRIORITY_PROCESSOR_STATISTIC\n  },\n  VISUAL: {\n    LAYOUT: PRIORITY_VISUAL_LAYOUT,\n    PROGRESSIVE_LAYOUT: PRIORITY_VISUAL_PROGRESSIVE_LAYOUT,\n    GLOBAL: PRIORITY_VISUAL_GLOBAL,\n    CHART: PRIORITY_VISUAL_CHART,\n    POST_CHART_LAYOUT: PRIORITY_VISUAL_POST_CHART_LAYOUT,\n    COMPONENT: PRIORITY_VISUAL_COMPONENT,\n    BRUSH: PRIORITY_VISUAL_BRUSH,\n    CHART_ITEM: PRIORITY_VISUAL_CHART_DATA_CUSTOM,\n    ARIA: PRIORITY_VISUAL_ARIA,\n    DECAL: PRIORITY_VISUAL_DECAL\n  }\n}; // Main process have three entries: `setOption`, `dispatchAction` and `resize`,\n// where they must not be invoked nestedly, except the only case: invoke\n// dispatchAction with updateMethod \"none\" in main process.\n// This flag is used to carry out this rule.\n// All events will be triggered out side main process (i.e. when !this[IN_MAIN_PROCESS]).\n\nvar IN_MAIN_PROCESS_KEY = '__flagInMainProcess';\nvar OPTION_UPDATED_KEY = '__optionUpdated';\nvar STATUS_NEEDS_UPDATE_KEY = '__needsUpdateStatus';\nvar ACTION_REG = /^[a-zA-Z0-9_]+$/;\nvar CONNECT_STATUS_KEY = '__connectUpdateStatus';\nvar CONNECT_STATUS_PENDING = 0;\nvar CONNECT_STATUS_UPDATING = 1;\nvar CONNECT_STATUS_UPDATED = 2;\n;\n;\n;\n\nfunction createRegisterEventWithLowercaseECharts(method) {\n  return function () {\n    var args = [];\n\n    for (var _i = 0; _i < arguments.length; _i++) {\n      args[_i] = arguments[_i];\n    }\n\n    if (this.isDisposed()) {\n      disposedWarning(this.id);\n      return;\n    }\n\n    return toLowercaseNameAndCallEventful(this, method, args);\n  };\n}\n\nfunction createRegisterEventWithLowercaseMessageCenter(method) {\n  return function () {\n    var args = [];\n\n    for (var _i = 0; _i < arguments.length; _i++) {\n      args[_i] = arguments[_i];\n    }\n\n    return toLowercaseNameAndCallEventful(this, method, args);\n  };\n}\n\nfunction toLowercaseNameAndCallEventful(host, method, args) {\n  // `args[0]` is event name. Event name is all lowercase.\n  args[0] = args[0] && args[0].toLowerCase();\n  return Eventful.prototype[method].apply(host, args);\n}\n\nvar MessageCenter =\n/** @class */\nfunction (_super) {\n  __extends(MessageCenter, _super);\n\n  function MessageCenter() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  return MessageCenter;\n}(Eventful);\n\nvar messageCenterProto = MessageCenter.prototype;\nmessageCenterProto.on = createRegisterEventWithLowercaseMessageCenter('on');\nmessageCenterProto.off = createRegisterEventWithLowercaseMessageCenter('off'); // ---------------------------------------\n// Internal method names for class ECharts\n// ---------------------------------------\n\nvar prepare;\nvar prepareView;\nvar updateDirectly;\nvar updateMethods;\nvar doConvertPixel;\nvar updateStreamModes;\nvar doDispatchAction;\nvar flushPendingActions;\nvar triggerUpdatedEvent;\nvar bindRenderedEvent;\nvar bindMouseEvent;\nvar clearColorPalette;\nvar render;\nvar renderComponents;\nvar renderSeries;\nvar performPostUpdateFuncs;\nvar createExtensionAPI;\nvar enableConnect;\nvar setTransitionOpt;\nvar markStatusToUpdate;\nvar applyChangedStates;\n\nvar ECharts =\n/** @class */\nfunction (_super) {\n  __extends(ECharts, _super);\n\n  function ECharts(dom, // Theme name or themeOption.\n  theme, opts) {\n    var _this = _super.call(this, new ECEventProcessor()) || this;\n\n    _this._chartsViews = [];\n    _this._chartsMap = {};\n    _this._componentsViews = [];\n    _this._componentsMap = {}; // Can't dispatch action during rendering procedure\n\n    _this._pendingActions = [];\n    opts = opts || {}; // Get theme by name\n\n    if (typeof theme === 'string') {\n      theme = themeStorage[theme];\n    }\n\n    _this._dom = dom;\n    var defaultRenderer = 'canvas';\n    var defaultUseDirtyRect = false;\n\n    if (process.env.NODE_ENV !== 'production') {\n      var root =\n      /* eslint-disable-next-line */\n      hasWindow ? window : global;\n      defaultRenderer = root.__ECHARTS__DEFAULT__RENDERER__ || defaultRenderer;\n      var devUseDirtyRect = root.__ECHARTS__DEFAULT__USE_DIRTY_RECT__;\n      defaultUseDirtyRect = devUseDirtyRect == null ? defaultUseDirtyRect : devUseDirtyRect;\n    }\n\n    var zr = _this._zr = zrender.init(dom, {\n      renderer: opts.renderer || defaultRenderer,\n      devicePixelRatio: opts.devicePixelRatio,\n      width: opts.width,\n      height: opts.height,\n      useDirtyRect: opts.useDirtyRect == null ? defaultUseDirtyRect : opts.useDirtyRect\n    }); // Expect 60 fps.\n\n    _this._throttledZrFlush = throttle(zrUtil.bind(zr.flush, zr), 17);\n    theme = zrUtil.clone(theme);\n    theme && backwardCompat(theme, true);\n    _this._theme = theme;\n    _this._locale = createLocaleObject(opts.locale || SYSTEM_LANG);\n    _this._coordSysMgr = new CoordinateSystemManager();\n    var api = _this._api = createExtensionAPI(_this); // Sort on demand\n\n    function prioritySortFunc(a, b) {\n      return a.__prio - b.__prio;\n    }\n\n    timsort(visualFuncs, prioritySortFunc);\n    timsort(dataProcessorFuncs, prioritySortFunc);\n    _this._scheduler = new Scheduler(_this, api, dataProcessorFuncs, visualFuncs);\n    _this._messageCenter = new MessageCenter();\n    _this._labelManager = new LabelManager(); // Init mouse events\n\n    _this._initEvents(); // In case some people write `window.onresize = chart.resize`\n\n\n    _this.resize = zrUtil.bind(_this.resize, _this);\n    zr.animation.on('frame', _this._onframe, _this);\n    bindRenderedEvent(zr, _this);\n    bindMouseEvent(zr, _this); // ECharts instance can be used as value.\n\n    zrUtil.setAsPrimitive(_this);\n    return _this;\n  }\n\n  ECharts.prototype._onframe = function () {\n    if (this._disposed) {\n      return;\n    }\n\n    applyChangedStates(this);\n    var scheduler = this._scheduler; // Lazy update\n\n    if (this[OPTION_UPDATED_KEY]) {\n      var silent = this[OPTION_UPDATED_KEY].silent;\n      this[IN_MAIN_PROCESS_KEY] = true;\n      prepare(this);\n      updateMethods.update.call(this); // At present, in each frame, zrender performs:\n      //   (1) animation step forward.\n      //   (2) trigger('frame') (where this `_onframe` is called)\n      //   (3) zrender flush (render).\n      // If we do nothing here, since we use `setToFinal: true`, the step (3) above\n      // will render the final state of the elements before the real animation started.\n\n      this._zr.flush();\n\n      this[IN_MAIN_PROCESS_KEY] = false;\n      this[OPTION_UPDATED_KEY] = false;\n      flushPendingActions.call(this, silent);\n      triggerUpdatedEvent.call(this, silent);\n    } // Avoid do both lazy update and progress in one frame.\n    else if (scheduler.unfinished) {\n        // Stream progress.\n        var remainTime = TEST_FRAME_REMAIN_TIME;\n        var ecModel = this._model;\n        var api = this._api;\n        scheduler.unfinished = false;\n\n        do {\n          var startTime = +new Date();\n          scheduler.performSeriesTasks(ecModel); // Currently dataProcessorFuncs do not check threshold.\n\n          scheduler.performDataProcessorTasks(ecModel);\n          updateStreamModes(this, ecModel); // Do not update coordinate system here. Because that coord system update in\n          // each frame is not a good user experience. So we follow the rule that\n          // the extent of the coordinate system is determin in the first frame (the\n          // frame is executed immedietely after task reset.\n          // this._coordSysMgr.update(ecModel, api);\n          // console.log('--- ec frame visual ---', remainTime);\n\n          scheduler.performVisualTasks(ecModel);\n          renderSeries(this, this._model, api, 'remain');\n          remainTime -= +new Date() - startTime;\n        } while (remainTime > 0 && scheduler.unfinished); // Call flush explicitly for trigger finished event.\n\n\n        if (!scheduler.unfinished) {\n          this._zr.flush();\n        } // Else, zr flushing be ensue within the same frame,\n        // because zr flushing is after onframe event.\n\n      }\n  };\n\n  ECharts.prototype.getDom = function () {\n    return this._dom;\n  };\n\n  ECharts.prototype.getId = function () {\n    return this.id;\n  };\n\n  ECharts.prototype.getZr = function () {\n    return this._zr;\n  };\n  /* eslint-disable-next-line */\n\n\n  ECharts.prototype.setOption = function (option, notMerge, lazyUpdate) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(!this[IN_MAIN_PROCESS_KEY], '`setOption` should not be called during main process.');\n    }\n\n    if (this._disposed) {\n      disposedWarning(this.id);\n      return;\n    }\n\n    var silent;\n    var replaceMerge;\n    var transitionOpt;\n\n    if (isObject(notMerge)) {\n      lazyUpdate = notMerge.lazyUpdate;\n      silent = notMerge.silent;\n      replaceMerge = notMerge.replaceMerge;\n      transitionOpt = notMerge.transition;\n      notMerge = notMerge.notMerge;\n    }\n\n    this[IN_MAIN_PROCESS_KEY] = true;\n\n    if (!this._model || notMerge) {\n      var optionManager = new OptionManager(this._api);\n      var theme = this._theme;\n      var ecModel = this._model = new GlobalModel();\n      ecModel.scheduler = this._scheduler;\n      ecModel.init(null, null, null, theme, this._locale, optionManager);\n    }\n\n    this._model.setOption(option, {\n      replaceMerge: replaceMerge\n    }, optionPreprocessorFuncs);\n\n    setTransitionOpt(this, transitionOpt);\n\n    if (lazyUpdate) {\n      this[OPTION_UPDATED_KEY] = {\n        silent: silent\n      };\n      this[IN_MAIN_PROCESS_KEY] = false; // `setOption(option, {lazyMode: true})` may be called when zrender has been slept.\n      // It should wake it up to make sure zrender start to render at the next frame.\n\n      this.getZr().wakeUp();\n    } else {\n      prepare(this);\n      updateMethods.update.call(this); // Ensure zr refresh sychronously, and then pixel in canvas can be\n      // fetched after `setOption`.\n\n      this._zr.flush();\n\n      this[OPTION_UPDATED_KEY] = false;\n      this[IN_MAIN_PROCESS_KEY] = false;\n      flushPendingActions.call(this, silent);\n      triggerUpdatedEvent.call(this, silent);\n    }\n  };\n  /**\n   * @DEPRECATED\n   */\n\n\n  ECharts.prototype.setTheme = function () {\n    console.error('ECharts#setTheme() is DEPRECATED in ECharts 3.0');\n  }; // We don't want developers to use getModel directly.\n\n\n  ECharts.prototype.getModel = function () {\n    return this._model;\n  };\n\n  ECharts.prototype.getOption = function () {\n    return this._model && this._model.getOption();\n  };\n\n  ECharts.prototype.getWidth = function () {\n    return this._zr.getWidth();\n  };\n\n  ECharts.prototype.getHeight = function () {\n    return this._zr.getHeight();\n  };\n\n  ECharts.prototype.getDevicePixelRatio = function () {\n    return this._zr.painter.dpr\n    /* eslint-disable-next-line */\n    || hasWindow && window.devicePixelRatio || 1;\n  };\n  /**\n   * Get canvas which has all thing rendered\n   */\n\n\n  ECharts.prototype.getRenderedCanvas = function (opts) {\n    if (!env.canvasSupported) {\n      return;\n    }\n\n    opts = zrUtil.extend({}, opts || {});\n    opts.pixelRatio = opts.pixelRatio || this.getDevicePixelRatio();\n    opts.backgroundColor = opts.backgroundColor || this._model.get('backgroundColor');\n    var zr = this._zr; // let list = zr.storage.getDisplayList();\n    // Stop animations\n    // Never works before in init animation, so remove it.\n    // zrUtil.each(list, function (el) {\n    //     el.stopAnimation(true);\n    // });\n\n    return zr.painter.getRenderedCanvas(opts);\n  };\n  /**\n   * Get svg data url\n   */\n\n\n  ECharts.prototype.getSvgDataURL = function () {\n    if (!env.svgSupported) {\n      return;\n    }\n\n    var zr = this._zr;\n    var list = zr.storage.getDisplayList(); // Stop animations\n\n    zrUtil.each(list, function (el) {\n      el.stopAnimation(null, true);\n    });\n    return zr.painter.toDataURL();\n  };\n\n  ECharts.prototype.getDataURL = function (opts) {\n    if (this._disposed) {\n      disposedWarning(this.id);\n      return;\n    }\n\n    opts = opts || {};\n    var excludeComponents = opts.excludeComponents;\n    var ecModel = this._model;\n    var excludesComponentViews = [];\n    var self = this;\n    each(excludeComponents, function (componentType) {\n      ecModel.eachComponent({\n        mainType: componentType\n      }, function (component) {\n        var view = self._componentsMap[component.__viewId];\n\n        if (!view.group.ignore) {\n          excludesComponentViews.push(view);\n          view.group.ignore = true;\n        }\n      });\n    });\n    var url = this._zr.painter.getType() === 'svg' ? this.getSvgDataURL() : this.getRenderedCanvas(opts).toDataURL('image/' + (opts && opts.type || 'png'));\n    each(excludesComponentViews, function (view) {\n      view.group.ignore = false;\n    });\n    return url;\n  };\n\n  ECharts.prototype.getConnectedDataURL = function (opts) {\n    if (this._disposed) {\n      disposedWarning(this.id);\n      return;\n    }\n\n    if (!env.canvasSupported) {\n      return;\n    }\n\n    var isSvg = opts.type === 'svg';\n    var groupId = this.group;\n    var mathMin = Math.min;\n    var mathMax = Math.max;\n    var MAX_NUMBER = Infinity;\n\n    if (connectedGroups[groupId]) {\n      var left_1 = MAX_NUMBER;\n      var top_1 = MAX_NUMBER;\n      var right_1 = -MAX_NUMBER;\n      var bottom_1 = -MAX_NUMBER;\n      var canvasList_1 = [];\n      var dpr_1 = opts && opts.pixelRatio || this.getDevicePixelRatio();\n      zrUtil.each(instances, function (chart, id) {\n        if (chart.group === groupId) {\n          var canvas = isSvg ? chart.getZr().painter.getSvgDom().innerHTML : chart.getRenderedCanvas(zrUtil.clone(opts));\n          var boundingRect = chart.getDom().getBoundingClientRect();\n          left_1 = mathMin(boundingRect.left, left_1);\n          top_1 = mathMin(boundingRect.top, top_1);\n          right_1 = mathMax(boundingRect.right, right_1);\n          bottom_1 = mathMax(boundingRect.bottom, bottom_1);\n          canvasList_1.push({\n            dom: canvas,\n            left: boundingRect.left,\n            top: boundingRect.top\n          });\n        }\n      });\n      left_1 *= dpr_1;\n      top_1 *= dpr_1;\n      right_1 *= dpr_1;\n      bottom_1 *= dpr_1;\n      var width = right_1 - left_1;\n      var height = bottom_1 - top_1;\n      var targetCanvas = zrUtil.createCanvas();\n      var zr_1 = zrender.init(targetCanvas, {\n        renderer: isSvg ? 'svg' : 'canvas'\n      });\n      zr_1.resize({\n        width: width,\n        height: height\n      });\n\n      if (isSvg) {\n        var content_1 = '';\n        each(canvasList_1, function (item) {\n          var x = item.left - left_1;\n          var y = item.top - top_1;\n          content_1 += '<g transform=\"translate(' + x + ',' + y + ')\">' + item.dom + '</g>';\n        });\n        zr_1.painter.getSvgRoot().innerHTML = content_1;\n\n        if (opts.connectedBackgroundColor) {\n          zr_1.painter.setBackgroundColor(opts.connectedBackgroundColor);\n        }\n\n        zr_1.refreshImmediately();\n        return zr_1.painter.toDataURL();\n      } else {\n        // Background between the charts\n        if (opts.connectedBackgroundColor) {\n          zr_1.add(new graphic.Rect({\n            shape: {\n              x: 0,\n              y: 0,\n              width: width,\n              height: height\n            },\n            style: {\n              fill: opts.connectedBackgroundColor\n            }\n          }));\n        }\n\n        each(canvasList_1, function (item) {\n          var img = new graphic.Image({\n            style: {\n              x: item.left * dpr_1 - left_1,\n              y: item.top * dpr_1 - top_1,\n              image: item.dom\n            }\n          });\n          zr_1.add(img);\n        });\n        zr_1.refreshImmediately();\n        return targetCanvas.toDataURL('image/' + (opts && opts.type || 'png'));\n      }\n    } else {\n      return this.getDataURL(opts);\n    }\n  };\n\n  ECharts.prototype.convertToPixel = function (finder, value) {\n    return doConvertPixel(this, 'convertToPixel', finder, value);\n  };\n\n  ECharts.prototype.convertFromPixel = function (finder, value) {\n    return doConvertPixel(this, 'convertFromPixel', finder, value);\n  };\n  /**\n   * Is the specified coordinate systems or components contain the given pixel point.\n   * @param {Array|number} value\n   * @return {boolean} result\n   */\n\n\n  ECharts.prototype.containPixel = function (finder, value) {\n    if (this._disposed) {\n      disposedWarning(this.id);\n      return;\n    }\n\n    var ecModel = this._model;\n    var result;\n    var findResult = modelUtil.parseFinder(ecModel, finder);\n    zrUtil.each(findResult, function (models, key) {\n      key.indexOf('Models') >= 0 && zrUtil.each(models, function (model) {\n        var coordSys = model.coordinateSystem;\n\n        if (coordSys && coordSys.containPoint) {\n          result = result || !!coordSys.containPoint(value);\n        } else if (key === 'seriesModels') {\n          var view = this._chartsMap[model.__viewId];\n\n          if (view && view.containPoint) {\n            result = result || view.containPoint(value, model);\n          } else {\n            if (process.env.NODE_ENV !== 'production') {\n              console.warn(key + ': ' + (view ? 'The found component do not support containPoint.' : 'No view mapping to the found component.'));\n            }\n          }\n        } else {\n          if (process.env.NODE_ENV !== 'production') {\n            console.warn(key + ': containPoint is not supported');\n          }\n        }\n      }, this);\n    }, this);\n    return !!result;\n  };\n  /**\n   * Get visual from series or data.\n   * @param finder\n   *        If string, e.g., 'series', means {seriesIndex: 0}.\n   *        If Object, could contain some of these properties below:\n   *        {\n   *            seriesIndex / seriesId / seriesName,\n   *            dataIndex / dataIndexInside\n   *        }\n   *        If dataIndex is not specified, series visual will be fetched,\n   *        but not data item visual.\n   *        If all of seriesIndex, seriesId, seriesName are not specified,\n   *        visual will be fetched from first series.\n   * @param visualType 'color', 'symbol', 'symbolSize'\n   */\n\n\n  ECharts.prototype.getVisual = function (finder, visualType) {\n    var ecModel = this._model;\n    var parsedFinder = modelUtil.parseFinder(ecModel, finder, {\n      defaultMainType: 'series'\n    });\n    var seriesModel = parsedFinder.seriesModel;\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (!seriesModel) {\n        console.warn('There is no specified seires model');\n      }\n    }\n\n    var data = seriesModel.getData();\n    var dataIndexInside = parsedFinder.hasOwnProperty('dataIndexInside') ? parsedFinder.dataIndexInside : parsedFinder.hasOwnProperty('dataIndex') ? data.indexOfRawIndex(parsedFinder.dataIndex) : null;\n    return dataIndexInside != null ? getItemVisualFromData(data, dataIndexInside, visualType) : getVisualFromData(data, visualType);\n  };\n  /**\n   * Get view of corresponding component model\n   */\n\n\n  ECharts.prototype.getViewOfComponentModel = function (componentModel) {\n    return this._componentsMap[componentModel.__viewId];\n  };\n  /**\n   * Get view of corresponding series model\n   */\n\n\n  ECharts.prototype.getViewOfSeriesModel = function (seriesModel) {\n    return this._chartsMap[seriesModel.__viewId];\n  };\n\n  ECharts.prototype._initEvents = function () {\n    var _this = this;\n\n    each(MOUSE_EVENT_NAMES, function (eveName) {\n      var handler = function (e) {\n        var ecModel = _this.getModel();\n\n        var el = e.target;\n        var params;\n        var isGlobalOut = eveName === 'globalout'; // no e.target when 'globalout'.\n\n        if (isGlobalOut) {\n          params = {};\n        } else {\n          el && findEventDispatcher(el, function (parent) {\n            var ecData = getECData(parent);\n\n            if (ecData && ecData.dataIndex != null) {\n              var dataModel = ecData.dataModel || ecModel.getSeriesByIndex(ecData.seriesIndex);\n              params = dataModel && dataModel.getDataParams(ecData.dataIndex, ecData.dataType) || {};\n              return true;\n            } // If element has custom eventData of components\n            else if (ecData.eventData) {\n                params = zrUtil.extend({}, ecData.eventData);\n                return true;\n              }\n          }, true);\n        } // Contract: if params prepared in mouse event,\n        // these properties must be specified:\n        // {\n        //    componentType: string (component main type)\n        //    componentIndex: number\n        // }\n        // Otherwise event query can not work.\n\n\n        if (params) {\n          var componentType = params.componentType;\n          var componentIndex = params.componentIndex; // Special handling for historic reason: when trigger by\n          // markLine/markPoint/markArea, the componentType is\n          // 'markLine'/'markPoint'/'markArea', but we should better\n          // enable them to be queried by seriesIndex, since their\n          // option is set in each series.\n\n          if (componentType === 'markLine' || componentType === 'markPoint' || componentType === 'markArea') {\n            componentType = 'series';\n            componentIndex = params.seriesIndex;\n          }\n\n          var model = componentType && componentIndex != null && ecModel.getComponent(componentType, componentIndex);\n          var view = model && _this[model.mainType === 'series' ? '_chartsMap' : '_componentsMap'][model.__viewId];\n\n          if (process.env.NODE_ENV !== 'production') {\n            // `event.componentType` and `event[componentTpype + 'Index']` must not\n            // be missed, otherwise there is no way to distinguish source component.\n            // See `dataFormat.getDataParams`.\n            if (!isGlobalOut && !(model && view)) {\n              console.warn('model or view can not be found by params');\n            }\n          }\n\n          params.event = e;\n          params.type = eveName;\n          _this._$eventProcessor.eventInfo = {\n            targetEl: el,\n            packedEvent: params,\n            model: model,\n            view: view\n          };\n\n          _this.trigger(eveName, params);\n        }\n      }; // Consider that some component (like tooltip, brush, ...)\n      // register zr event handler, but user event handler might\n      // do anything, such as call `setOption` or `dispatchAction`,\n      // which probably update any of the content and probably\n      // cause problem if it is called previous other inner handlers.\n\n\n      handler.zrEventfulCallAtLast = true;\n\n      _this._zr.on(eveName, handler, _this);\n    });\n    each(eventActionMap, function (actionType, eventType) {\n      _this._messageCenter.on(eventType, function (event) {\n        this.trigger(eventType, event);\n      }, _this);\n    }); // Extra events\n    // TODO register?\n\n    each(['selectchanged'], function (eventType) {\n      _this._messageCenter.on(eventType, function (event) {\n        this.trigger(eventType, event);\n      }, _this);\n    });\n    handleLegacySelectEvents(this._messageCenter, this, this._api);\n  };\n\n  ECharts.prototype.isDisposed = function () {\n    return this._disposed;\n  };\n\n  ECharts.prototype.clear = function () {\n    if (this._disposed) {\n      disposedWarning(this.id);\n      return;\n    }\n\n    this.setOption({\n      series: []\n    }, true);\n  };\n\n  ECharts.prototype.dispose = function () {\n    if (this._disposed) {\n      disposedWarning(this.id);\n      return;\n    }\n\n    this._disposed = true;\n    modelUtil.setAttribute(this.getDom(), DOM_ATTRIBUTE_KEY, '');\n    var api = this._api;\n    var ecModel = this._model;\n    each(this._componentsViews, function (component) {\n      component.dispose(ecModel, api);\n    });\n    each(this._chartsViews, function (chart) {\n      chart.dispose(ecModel, api);\n    }); // Dispose after all views disposed\n\n    this._zr.dispose();\n\n    delete instances[this.id];\n  };\n  /**\n   * Resize the chart\n   */\n\n\n  ECharts.prototype.resize = function (opts) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(!this[IN_MAIN_PROCESS_KEY], '`resize` should not be called during main process.');\n    }\n\n    if (this._disposed) {\n      disposedWarning(this.id);\n      return;\n    }\n\n    this._zr.resize(opts);\n\n    var ecModel = this._model; // Resize loading effect\n\n    this._loadingFX && this._loadingFX.resize();\n\n    if (!ecModel) {\n      return;\n    }\n\n    var optionChanged = ecModel.resetOption('media');\n    var silent = opts && opts.silent;\n    this[IN_MAIN_PROCESS_KEY] = true;\n    optionChanged && prepare(this);\n    updateMethods.update.call(this, {\n      type: 'resize',\n      animation: zrUtil.extend({\n        // Disable animation\n        duration: 0\n      }, opts && opts.animation)\n    });\n    this[IN_MAIN_PROCESS_KEY] = false;\n    flushPendingActions.call(this, silent);\n    triggerUpdatedEvent.call(this, silent);\n  };\n\n  ECharts.prototype.showLoading = function (name, cfg) {\n    if (this._disposed) {\n      disposedWarning(this.id);\n      return;\n    }\n\n    if (isObject(name)) {\n      cfg = name;\n      name = '';\n    }\n\n    name = name || 'default';\n    this.hideLoading();\n\n    if (!loadingEffects[name]) {\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn('Loading effects ' + name + ' not exists.');\n      }\n\n      return;\n    }\n\n    var el = loadingEffects[name](this._api, cfg);\n    var zr = this._zr;\n    this._loadingFX = el;\n    zr.add(el);\n  };\n  /**\n   * Hide loading effect\n   */\n\n\n  ECharts.prototype.hideLoading = function () {\n    if (this._disposed) {\n      disposedWarning(this.id);\n      return;\n    }\n\n    this._loadingFX && this._zr.remove(this._loadingFX);\n    this._loadingFX = null;\n  };\n\n  ECharts.prototype.makeActionFromEvent = function (eventObj) {\n    var payload = zrUtil.extend({}, eventObj);\n    payload.type = eventActionMap[eventObj.type];\n    return payload;\n  };\n  /**\n   * @param opt If pass boolean, means opt.silent\n   * @param opt.silent Default `false`. Whether trigger events.\n   * @param opt.flush Default `undefined`.\n   *        true: Flush immediately, and then pixel in canvas can be fetched\n   *            immediately. Caution: it might affect performance.\n   *        false: Not flush.\n   *        undefined: Auto decide whether perform flush.\n   */\n\n\n  ECharts.prototype.dispatchAction = function (payload, opt) {\n    if (this._disposed) {\n      disposedWarning(this.id);\n      return;\n    }\n\n    if (!isObject(opt)) {\n      opt = {\n        silent: !!opt\n      };\n    }\n\n    if (!actions[payload.type]) {\n      return;\n    } // Avoid dispatch action before setOption. Especially in `connect`.\n\n\n    if (!this._model) {\n      return;\n    } // May dispatchAction in rendering procedure\n\n\n    if (this[IN_MAIN_PROCESS_KEY]) {\n      this._pendingActions.push(payload);\n\n      return;\n    }\n\n    var silent = opt.silent;\n    doDispatchAction.call(this, payload, silent);\n    var flush = opt.flush;\n\n    if (flush) {\n      this._zr.flush();\n    } else if (flush !== false && env.browser.weChat) {\n      // In WeChat embeded browser, `requestAnimationFrame` and `setInterval`\n      // hang when sliding page (on touch event), which cause that zr does not\n      // refresh util user interaction finished, which is not expected.\n      // But `dispatchAction` may be called too frequently when pan on touch\n      // screen, which impacts performance if do not throttle them.\n      this._throttledZrFlush();\n    }\n\n    flushPendingActions.call(this, silent);\n    triggerUpdatedEvent.call(this, silent);\n  };\n\n  ECharts.prototype.updateLabelLayout = function () {\n    var labelManager = this._labelManager;\n    labelManager.updateLayoutConfig(this._api);\n    labelManager.layout(this._api);\n    labelManager.processLabelsOverall();\n  };\n\n  ECharts.prototype.appendData = function (params) {\n    if (this._disposed) {\n      disposedWarning(this.id);\n      return;\n    }\n\n    var seriesIndex = params.seriesIndex;\n    var ecModel = this.getModel();\n    var seriesModel = ecModel.getSeriesByIndex(seriesIndex);\n\n    if (process.env.NODE_ENV !== 'production') {\n      assert(params.data && seriesModel);\n    }\n\n    seriesModel.appendData(params); // Note: `appendData` does not support that update extent of coordinate\n    // system, util some scenario require that. In the expected usage of\n    // `appendData`, the initial extent of coordinate system should better\n    // be fixed by axis `min`/`max` setting or initial data, otherwise if\n    // the extent changed while `appendData`, the location of the painted\n    // graphic elements have to be changed, which make the usage of\n    // `appendData` meaningless.\n\n    this._scheduler.unfinished = true;\n    this.getZr().wakeUp();\n  }; // A work around for no `internal` modifier in ts yet but\n  // need to strictly hide private methods to JS users.\n\n\n  ECharts.internalField = function () {\n    prepare = function (ecIns) {\n      var scheduler = ecIns._scheduler;\n      scheduler.restorePipelines(ecIns._model);\n      scheduler.prepareStageTasks();\n      prepareView(ecIns, true);\n      prepareView(ecIns, false);\n      scheduler.plan();\n    };\n    /**\n     * Prepare view instances of charts and components\n     */\n\n\n    prepareView = function (ecIns, isComponent) {\n      var ecModel = ecIns._model;\n      var scheduler = ecIns._scheduler;\n      var viewList = isComponent ? ecIns._componentsViews : ecIns._chartsViews;\n      var viewMap = isComponent ? ecIns._componentsMap : ecIns._chartsMap;\n      var zr = ecIns._zr;\n      var api = ecIns._api;\n\n      for (var i = 0; i < viewList.length; i++) {\n        viewList[i].__alive = false;\n      }\n\n      isComponent ? ecModel.eachComponent(function (componentType, model) {\n        componentType !== 'series' && doPrepare(model);\n      }) : ecModel.eachSeries(doPrepare);\n\n      function doPrepare(model) {\n        // By defaut view will be reused if possible for the case that `setOption` with \"notMerge\"\n        // mode and need to enable transition animation. (Usually, when they have the same id, or\n        // especially no id but have the same type & name & index. See the `model.id` generation\n        // rule in `makeIdAndName` and `viewId` generation rule here).\n        // But in `replaceMerge` mode, this feature should be able to disabled when it is clear that\n        // the new model has nothing to do with the old model.\n        var requireNewView = model.__requireNewView; // This command should not work twice.\n\n        model.__requireNewView = false; // Consider: id same and type changed.\n\n        var viewId = '_ec_' + model.id + '_' + model.type;\n        var view = !requireNewView && viewMap[viewId];\n\n        if (!view) {\n          var classType = parseClassType(model.type);\n          var Clazz = isComponent ? ComponentView.getClass(classType.main, classType.sub) : // FIXME:TS\n          // (ChartView as ChartViewConstructor).getClass('series', classType.sub)\n          // For backward compat, still support a chart type declared as only subType\n          // like \"liquidfill\", but recommend \"series.liquidfill\"\n          // But need a base class to make a type series.\n          ChartView.getClass(classType.sub);\n\n          if (process.env.NODE_ENV !== 'production') {\n            assert(Clazz, classType.sub + ' does not exist.');\n          }\n\n          view = new Clazz();\n          view.init(ecModel, api);\n          viewMap[viewId] = view;\n          viewList.push(view);\n          zr.add(view.group);\n        }\n\n        model.__viewId = view.__id = viewId;\n        view.__alive = true;\n        view.__model = model;\n        view.group.__ecComponentInfo = {\n          mainType: model.mainType,\n          index: model.componentIndex\n        };\n        !isComponent && scheduler.prepareView(view, model, ecModel, api);\n      }\n\n      for (var i = 0; i < viewList.length;) {\n        var view = viewList[i];\n\n        if (!view.__alive) {\n          !isComponent && view.renderTask.dispose();\n          zr.remove(view.group);\n          view.dispose(ecModel, api);\n          viewList.splice(i, 1);\n\n          if (viewMap[view.__id] === view) {\n            delete viewMap[view.__id];\n          }\n\n          view.__id = view.group.__ecComponentInfo = null;\n        } else {\n          i++;\n        }\n      }\n    };\n\n    updateDirectly = function (ecIns, method, payload, mainType, subType) {\n      var ecModel = ecIns._model;\n      ecModel.setUpdatePayload(payload); // broadcast\n\n      if (!mainType) {\n        // FIXME\n        // Chart will not be update directly here, except set dirty.\n        // But there is no such scenario now.\n        each([].concat(ecIns._componentsViews).concat(ecIns._chartsViews), callView);\n        return;\n      }\n\n      var query = {};\n      query[mainType + 'Id'] = payload[mainType + 'Id'];\n      query[mainType + 'Index'] = payload[mainType + 'Index'];\n      query[mainType + 'Name'] = payload[mainType + 'Name'];\n      var condition = {\n        mainType: mainType,\n        query: query\n      };\n      subType && (condition.subType = subType); // subType may be '' by parseClassType;\n\n      var excludeSeriesId = payload.excludeSeriesId;\n      var excludeSeriesIdMap;\n\n      if (excludeSeriesId != null) {\n        excludeSeriesIdMap = zrUtil.createHashMap();\n        each(modelUtil.normalizeToArray(excludeSeriesId), function (id) {\n          var modelId = modelUtil.convertOptionIdName(id, null);\n\n          if (modelId != null) {\n            excludeSeriesIdMap.set(modelId, true);\n          }\n        });\n      }\n\n      if (isHighDownPayload(payload)) {\n        allLeaveBlur(ecIns._api);\n      } // If dispatchAction before setOption, do nothing.\n\n\n      ecModel && ecModel.eachComponent(condition, function (model) {\n        if (!excludeSeriesIdMap || excludeSeriesIdMap.get(model.id) == null) {\n          if (isHighDownPayload(payload)) {\n            if (model instanceof SeriesModel) {\n              if (payload.type === HIGHLIGHT_ACTION_TYPE && !payload.notBlur) {\n                blurSeriesFromHighlightPayload(model, payload, ecIns._api);\n              }\n            } else {\n              var _a = findComponentHighDownDispatchers(model.mainType, model.componentIndex, payload.name, ecIns._api),\n                  focusSelf = _a.focusSelf,\n                  dispatchers = _a.dispatchers;\n\n              if (payload.type === HIGHLIGHT_ACTION_TYPE && focusSelf && !payload.notBlur) {\n                blurComponent(model.mainType, model.componentIndex, ecIns._api);\n              } // PENDING:\n              // Whether to put this \"enter emphasis\" code in `ComponentView`,\n              // which will be the same as `ChartView` but might be not necessary\n              // and will be far from this logic.\n\n\n              if (dispatchers) {\n                each(dispatchers, function (dispatcher) {\n                  payload.type === HIGHLIGHT_ACTION_TYPE ? enterEmphasis(dispatcher) : leaveEmphasis(dispatcher);\n                });\n              }\n            }\n          } else if (isSelectChangePayload(payload)) {\n            // TODO geo\n            if (model instanceof SeriesModel) {\n              toggleSelectionFromPayload(model, payload, ecIns._api);\n              updateSeriesElementSelection(model);\n              markStatusToUpdate(ecIns);\n            }\n          }\n\n          callView(ecIns[mainType === 'series' ? '_chartsMap' : '_componentsMap'][model.__viewId]);\n        }\n      }, ecIns);\n\n      function callView(view) {\n        view && view.__alive && view[method] && view[method](view.__model, ecModel, ecIns._api, payload);\n      }\n    };\n\n    updateMethods = {\n      prepareAndUpdate: function (payload) {\n        prepare(this);\n        updateMethods.update.call(this, payload);\n      },\n      update: function (payload) {\n        // console.profile && console.profile('update');\n        var ecModel = this._model;\n        var api = this._api;\n        var zr = this._zr;\n        var coordSysMgr = this._coordSysMgr;\n        var scheduler = this._scheduler; // update before setOption\n\n        if (!ecModel) {\n          return;\n        }\n\n        ecModel.setUpdatePayload(payload);\n        scheduler.restoreData(ecModel, payload);\n        scheduler.performSeriesTasks(ecModel); // TODO\n        // Save total ecModel here for undo/redo (after restoring data and before processing data).\n        // Undo (restoration of total ecModel) can be carried out in 'action' or outside API call.\n        // Create new coordinate system each update\n        // In LineView may save the old coordinate system and use it to get the orignal point\n\n        coordSysMgr.create(ecModel, api);\n        scheduler.performDataProcessorTasks(ecModel, payload); // Current stream render is not supported in data process. So we can update\n        // stream modes after data processing, where the filtered data is used to\n        // deteming whether use progressive rendering.\n\n        updateStreamModes(this, ecModel); // We update stream modes before coordinate system updated, then the modes info\n        // can be fetched when coord sys updating (consider the barGrid extent fix). But\n        // the drawback is the full coord info can not be fetched. Fortunately this full\n        // coord is not requied in stream mode updater currently.\n\n        coordSysMgr.update(ecModel, api);\n        clearColorPalette(ecModel);\n        scheduler.performVisualTasks(ecModel, payload);\n        render(this, ecModel, api, payload); // Set background\n\n        var backgroundColor = ecModel.get('backgroundColor') || 'transparent';\n        var darkMode = ecModel.get('darkMode'); // In IE8\n\n        if (!env.canvasSupported) {\n          var colorArr = colorTool.parse(backgroundColor);\n          backgroundColor = colorTool.stringify(colorArr, 'rgb');\n\n          if (colorArr[3] === 0) {\n            backgroundColor = 'transparent';\n          }\n        } else {\n          zr.setBackgroundColor(backgroundColor); // Force set dark mode.\n\n          if (darkMode != null && darkMode !== 'auto') {\n            zr.setDarkMode(darkMode);\n          }\n        }\n\n        performPostUpdateFuncs(ecModel, api); // console.profile && console.profileEnd('update');\n      },\n      updateTransform: function (payload) {\n        var _this = this;\n\n        var ecModel = this._model;\n        var api = this._api; // update before setOption\n\n        if (!ecModel) {\n          return;\n        }\n\n        ecModel.setUpdatePayload(payload); // ChartView.markUpdateMethod(payload, 'updateTransform');\n\n        var componentDirtyList = [];\n        ecModel.eachComponent(function (componentType, componentModel) {\n          if (componentType === 'series') {\n            return;\n          }\n\n          var componentView = _this.getViewOfComponentModel(componentModel);\n\n          if (componentView && componentView.__alive) {\n            if (componentView.updateTransform) {\n              var result = componentView.updateTransform(componentModel, ecModel, api, payload);\n              result && result.update && componentDirtyList.push(componentView);\n            } else {\n              componentDirtyList.push(componentView);\n            }\n          }\n        });\n        var seriesDirtyMap = zrUtil.createHashMap();\n        ecModel.eachSeries(function (seriesModel) {\n          var chartView = _this._chartsMap[seriesModel.__viewId];\n\n          if (chartView.updateTransform) {\n            var result = chartView.updateTransform(seriesModel, ecModel, api, payload);\n            result && result.update && seriesDirtyMap.set(seriesModel.uid, 1);\n          } else {\n            seriesDirtyMap.set(seriesModel.uid, 1);\n          }\n        });\n        clearColorPalette(ecModel); // Keep pipe to the exist pipeline because it depends on the render task of the full pipeline.\n        // this._scheduler.performVisualTasks(ecModel, payload, 'layout', true);\n\n        this._scheduler.performVisualTasks(ecModel, payload, {\n          setDirty: true,\n          dirtyMap: seriesDirtyMap\n        }); // Currently, not call render of components. Geo render cost a lot.\n        // renderComponents(ecIns, ecModel, api, payload, componentDirtyList);\n\n\n        renderSeries(this, ecModel, api, payload, seriesDirtyMap);\n        performPostUpdateFuncs(ecModel, this._api);\n      },\n      updateView: function (payload) {\n        var ecModel = this._model; // update before setOption\n\n        if (!ecModel) {\n          return;\n        }\n\n        ecModel.setUpdatePayload(payload);\n        ChartView.markUpdateMethod(payload, 'updateView');\n        clearColorPalette(ecModel); // Keep pipe to the exist pipeline because it depends on the render task of the full pipeline.\n\n        this._scheduler.performVisualTasks(ecModel, payload, {\n          setDirty: true\n        });\n\n        render(this, this._model, this._api, payload);\n        performPostUpdateFuncs(ecModel, this._api);\n      },\n      updateVisual: function (payload) {\n        // updateMethods.update.call(this, payload);\n        var _this = this;\n\n        var ecModel = this._model; // update before setOption\n\n        if (!ecModel) {\n          return;\n        }\n\n        ecModel.setUpdatePayload(payload); // clear all visual\n\n        ecModel.eachSeries(function (seriesModel) {\n          seriesModel.getData().clearAllVisual();\n        }); // Perform visual\n\n        ChartView.markUpdateMethod(payload, 'updateVisual');\n        clearColorPalette(ecModel); // Keep pipe to the exist pipeline because it depends on the render task of the full pipeline.\n\n        this._scheduler.performVisualTasks(ecModel, payload, {\n          visualType: 'visual',\n          setDirty: true\n        });\n\n        ecModel.eachComponent(function (componentType, componentModel) {\n          if (componentType !== 'series') {\n            var componentView = _this.getViewOfComponentModel(componentModel);\n\n            componentView && componentView.__alive && componentView.updateVisual(componentModel, ecModel, _this._api, payload);\n          }\n        });\n        ecModel.eachSeries(function (seriesModel) {\n          var chartView = _this._chartsMap[seriesModel.__viewId];\n          chartView.updateVisual(seriesModel, ecModel, _this._api, payload);\n        });\n        performPostUpdateFuncs(ecModel, this._api);\n      },\n      updateLayout: function (payload) {\n        updateMethods.update.call(this, payload);\n      }\n    };\n\n    doConvertPixel = function (ecIns, methodName, finder, value) {\n      if (ecIns._disposed) {\n        disposedWarning(ecIns.id);\n        return;\n      }\n\n      var ecModel = ecIns._model;\n\n      var coordSysList = ecIns._coordSysMgr.getCoordinateSystems();\n\n      var result;\n      var parsedFinder = modelUtil.parseFinder(ecModel, finder);\n\n      for (var i = 0; i < coordSysList.length; i++) {\n        var coordSys = coordSysList[i];\n\n        if (coordSys[methodName] && (result = coordSys[methodName](ecModel, parsedFinder, value)) != null) {\n          return result;\n        }\n      }\n\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn('No coordinate system that supports ' + methodName + ' found by the given finder.');\n      }\n    };\n\n    updateStreamModes = function (ecIns, ecModel) {\n      var chartsMap = ecIns._chartsMap;\n      var scheduler = ecIns._scheduler;\n      ecModel.eachSeries(function (seriesModel) {\n        scheduler.updateStreamModes(seriesModel, chartsMap[seriesModel.__viewId]);\n      });\n    };\n\n    doDispatchAction = function (payload, silent) {\n      var _this = this;\n\n      var ecModel = this.getModel();\n      var payloadType = payload.type;\n      var escapeConnect = payload.escapeConnect;\n      var actionWrap = actions[payloadType];\n      var actionInfo = actionWrap.actionInfo;\n      var cptTypeTmp = (actionInfo.update || 'update').split(':');\n      var updateMethod = cptTypeTmp.pop();\n      var cptType = cptTypeTmp[0] != null && parseClassType(cptTypeTmp[0]);\n      this[IN_MAIN_PROCESS_KEY] = true;\n      var payloads = [payload];\n      var batched = false; // Batch action\n\n      if (payload.batch) {\n        batched = true;\n        payloads = zrUtil.map(payload.batch, function (item) {\n          item = zrUtil.defaults(zrUtil.extend({}, item), payload);\n          item.batch = null;\n          return item;\n        });\n      }\n\n      var eventObjBatch = [];\n      var eventObj;\n      var isSelectChange = isSelectChangePayload(payload);\n      var isHighDown = isHighDownPayload(payload);\n      each(payloads, function (batchItem) {\n        // Action can specify the event by return it.\n        eventObj = actionWrap.action(batchItem, _this._model, _this._api); // Emit event outside\n\n        eventObj = eventObj || zrUtil.extend({}, batchItem); // Convert type to eventType\n\n        eventObj.type = actionInfo.event || eventObj.type;\n        eventObjBatch.push(eventObj); // light update does not perform data process, layout and visual.\n\n        if (isHighDown) {\n          var _a = modelUtil.preParseFinder(payload),\n              queryOptionMap = _a.queryOptionMap,\n              mainTypeSpecified = _a.mainTypeSpecified;\n\n          var componentMainType = mainTypeSpecified ? queryOptionMap.keys()[0] : 'series';\n          updateDirectly(_this, updateMethod, batchItem, componentMainType);\n          markStatusToUpdate(_this);\n        } else if (isSelectChange) {\n          // At present `dispatchAction({ type: 'select', ... })` is not supported on components.\n          // geo still use 'geoselect'.\n          updateDirectly(_this, updateMethod, batchItem, 'series');\n          markStatusToUpdate(_this);\n        } else if (cptType) {\n          updateDirectly(_this, updateMethod, batchItem, cptType.main, cptType.sub);\n        }\n      });\n\n      if (updateMethod !== 'none' && !isHighDown && !isSelectChange && !cptType) {\n        // Still dirty\n        if (this[OPTION_UPDATED_KEY]) {\n          prepare(this);\n          updateMethods.update.call(this, payload);\n          this[OPTION_UPDATED_KEY] = false;\n        } else {\n          updateMethods[updateMethod].call(this, payload);\n        }\n      } // Follow the rule of action batch\n\n\n      if (batched) {\n        eventObj = {\n          type: actionInfo.event || payloadType,\n          escapeConnect: escapeConnect,\n          batch: eventObjBatch\n        };\n      } else {\n        eventObj = eventObjBatch[0];\n      }\n\n      this[IN_MAIN_PROCESS_KEY] = false;\n\n      if (!silent) {\n        var messageCenter = this._messageCenter;\n        messageCenter.trigger(eventObj.type, eventObj); // Extra triggered 'selectchanged' event\n\n        if (isSelectChange) {\n          var newObj = {\n            type: 'selectchanged',\n            escapeConnect: escapeConnect,\n            selected: getAllSelectedIndices(ecModel),\n            isFromClick: payload.isFromClick || false,\n            fromAction: payload.type,\n            fromActionPayload: payload\n          };\n          messageCenter.trigger(newObj.type, newObj);\n        }\n      }\n    };\n\n    flushPendingActions = function (silent) {\n      var pendingActions = this._pendingActions;\n\n      while (pendingActions.length) {\n        var payload = pendingActions.shift();\n        doDispatchAction.call(this, payload, silent);\n      }\n    };\n\n    triggerUpdatedEvent = function (silent) {\n      !silent && this.trigger('updated');\n    };\n    /**\n     * Event `rendered` is triggered when zr\n     * rendered. It is useful for realtime\n     * snapshot (reflect animation).\n     *\n     * Event `finished` is triggered when:\n     * (1) zrender rendering finished.\n     * (2) initial animation finished.\n     * (3) progressive rendering finished.\n     * (4) no pending action.\n     * (5) no delayed setOption needs to be processed.\n     */\n\n\n    bindRenderedEvent = function (zr, ecIns) {\n      zr.on('rendered', function (params) {\n        ecIns.trigger('rendered', params); // The `finished` event should not be triggered repeatly,\n        // so it should only be triggered when rendering indeed happend\n        // in zrender. (Consider the case that dipatchAction is keep\n        // triggering when mouse move).\n\n        if ( // Although zr is dirty if initial animation is not finished\n        // and this checking is called on frame, we also check\n        // animation finished for robustness.\n        zr.animation.isFinished() && !ecIns[OPTION_UPDATED_KEY] && !ecIns._scheduler.unfinished && !ecIns._pendingActions.length) {\n          ecIns.trigger('finished');\n        }\n      });\n    };\n\n    bindMouseEvent = function (zr, ecIns) {\n      zr.on('mouseover', function (e) {\n        var el = e.target;\n        var dispatcher = findEventDispatcher(el, isHighDownDispatcher);\n\n        if (dispatcher) {\n          handleGlobalMouseOverForHighDown(dispatcher, e, ecIns._api);\n          markStatusToUpdate(ecIns);\n        }\n      }).on('mouseout', function (e) {\n        var el = e.target;\n        var dispatcher = findEventDispatcher(el, isHighDownDispatcher);\n\n        if (dispatcher) {\n          handleGlboalMouseOutForHighDown(dispatcher, e, ecIns._api);\n          markStatusToUpdate(ecIns);\n        }\n      }).on('click', function (e) {\n        var el = e.target;\n        var dispatcher = findEventDispatcher(el, function (target) {\n          return getECData(target).dataIndex != null;\n        }, true);\n\n        if (dispatcher) {\n          var actionType = dispatcher.selected ? 'unselect' : 'select';\n          var ecData = getECData(dispatcher);\n\n          ecIns._api.dispatchAction({\n            type: actionType,\n            dataType: ecData.dataType,\n            dataIndexInside: ecData.dataIndex,\n            seriesIndex: ecData.seriesIndex,\n            isFromClick: true\n          });\n        }\n      });\n    };\n\n    clearColorPalette = function (ecModel) {\n      ecModel.clearColorPalette();\n      ecModel.eachSeries(function (seriesModel) {\n        seriesModel.clearColorPalette();\n      });\n    };\n\n    render = function (ecIns, ecModel, api, payload) {\n      renderComponents(ecIns, ecModel, api, payload);\n      each(ecIns._chartsViews, function (chart) {\n        chart.__alive = false;\n      });\n      renderSeries(ecIns, ecModel, api, payload); // Remove groups of unrendered charts\n\n      each(ecIns._chartsViews, function (chart) {\n        if (!chart.__alive) {\n          chart.remove(ecModel, api);\n        }\n      });\n    };\n\n    renderComponents = function (ecIns, ecModel, api, payload, dirtyList) {\n      each(dirtyList || ecIns._componentsViews, function (componentView) {\n        var componentModel = componentView.__model;\n        clearStates(componentModel, componentView);\n        componentView.render(componentModel, ecModel, api, payload);\n        updateZ(componentModel, componentView);\n        updateStates(componentModel, componentView);\n      });\n    };\n    /**\n     * Render each chart and component\n     */\n\n\n    renderSeries = function (ecIns, ecModel, api, payload, dirtyMap) {\n      // Render all charts\n      var scheduler = ecIns._scheduler;\n      var labelManager = ecIns._labelManager;\n      labelManager.clearLabels();\n      var unfinished = false;\n      ecModel.eachSeries(function (seriesModel) {\n        var chartView = ecIns._chartsMap[seriesModel.__viewId];\n        chartView.__alive = true;\n        var renderTask = chartView.renderTask;\n        scheduler.updatePayload(renderTask, payload); // TODO states on marker.\n\n        clearStates(seriesModel, chartView);\n\n        if (dirtyMap && dirtyMap.get(seriesModel.uid)) {\n          renderTask.dirty();\n        }\n\n        if (renderTask.perform(scheduler.getPerformArgs(renderTask))) {\n          unfinished = true;\n        }\n\n        seriesModel.__transientTransitionOpt = null;\n        chartView.group.silent = !!seriesModel.get('silent'); // Should not call markRedraw on group, because it will disable zrender\n        // increamental render (alway render from the __startIndex each frame)\n        // chartView.group.markRedraw();\n\n        updateBlend(seriesModel, chartView);\n        updateSeriesElementSelection(seriesModel); // Add labels.\n\n        labelManager.addLabelsOfSeries(chartView);\n      });\n      scheduler.unfinished = unfinished || scheduler.unfinished;\n      labelManager.updateLayoutConfig(api);\n      labelManager.layout(api);\n      labelManager.processLabelsOverall();\n      ecModel.eachSeries(function (seriesModel) {\n        var chartView = ecIns._chartsMap[seriesModel.__viewId]; // Update Z after labels updated. Before applying states.\n\n        updateZ(seriesModel, chartView); // NOTE: Update states after label is updated.\n        // label should be in normal status when layouting.\n\n        updateStates(seriesModel, chartView);\n      }); // If use hover layer\n\n      updateHoverLayerStatus(ecIns, ecModel);\n    };\n\n    performPostUpdateFuncs = function (ecModel, api) {\n      each(postUpdateFuncs, function (func) {\n        func(ecModel, api);\n      });\n    };\n\n    markStatusToUpdate = function (ecIns) {\n      ecIns[STATUS_NEEDS_UPDATE_KEY] = true; // Wake up zrender if it's sleep. Let it update states in the next frame.\n\n      ecIns.getZr().wakeUp();\n    };\n\n    applyChangedStates = function (ecIns) {\n      if (!ecIns[STATUS_NEEDS_UPDATE_KEY]) {\n        return;\n      }\n\n      ecIns.getZr().storage.traverse(function (el) {\n        // Not applied on removed elements, it may still in fading.\n        if (graphic.isElementRemoved(el)) {\n          return;\n        }\n\n        applyElementStates(el);\n      });\n      ecIns[STATUS_NEEDS_UPDATE_KEY] = false;\n    };\n\n    function applyElementStates(el) {\n      var newStates = [];\n      var oldStates = el.currentStates; // Keep other states.\n\n      for (var i = 0; i < oldStates.length; i++) {\n        var stateName = oldStates[i];\n\n        if (!(stateName === 'emphasis' || stateName === 'blur' || stateName === 'select')) {\n          newStates.push(stateName);\n        }\n      } // Only use states when it's exists.\n\n\n      if (el.selected && el.states.select) {\n        newStates.push('select');\n      }\n\n      if (el.hoverState === HOVER_STATE_EMPHASIS && el.states.emphasis) {\n        newStates.push('emphasis');\n      } else if (el.hoverState === HOVER_STATE_BLUR && el.states.blur) {\n        newStates.push('blur');\n      }\n\n      el.useStates(newStates);\n    }\n\n    function updateHoverLayerStatus(ecIns, ecModel) {\n      var zr = ecIns._zr;\n      var storage = zr.storage;\n      var elCount = 0;\n      storage.traverse(function (el) {\n        if (!el.isGroup) {\n          elCount++;\n        }\n      });\n\n      if (elCount > ecModel.get('hoverLayerThreshold') && !env.node && !env.worker) {\n        ecModel.eachSeries(function (seriesModel) {\n          if (seriesModel.preventUsingHoverLayer) {\n            return;\n          }\n\n          var chartView = ecIns._chartsMap[seriesModel.__viewId];\n\n          if (chartView.__alive) {\n            chartView.group.traverse(function (el) {\n              if (el.states.emphasis) {\n                el.states.emphasis.hoverLayer = true;\n              }\n            });\n          }\n        });\n      }\n    }\n\n    ;\n    /**\n     * Update chart and blend.\n     */\n\n    function updateBlend(seriesModel, chartView) {\n      var blendMode = seriesModel.get('blendMode') || null;\n\n      if (process.env.NODE_ENV !== 'production') {\n        if (!env.canvasSupported && blendMode && blendMode !== 'source-over') {\n          console.warn('Only canvas support blendMode');\n        }\n      }\n\n      chartView.group.traverse(function (el) {\n        // FIXME marker and other components\n        if (!el.isGroup) {\n          // DONT mark the element dirty. In case element is incremental and don't wan't to rerender.\n          el.style.blend = blendMode;\n        }\n\n        if (el.eachPendingDisplayable) {\n          el.eachPendingDisplayable(function (displayable) {\n            displayable.style.blend = blendMode;\n          });\n        }\n      });\n    }\n\n    ;\n\n    function updateZ(model, view) {\n      if (model.preventAutoZ) {\n        return;\n      } // Set z and zlevel\n\n\n      _updateZ(view.group, model.get('z') || 0, model.get('zlevel') || 0, -Infinity);\n    }\n\n    ;\n\n    function _updateZ(el, z, zlevel, maxZ2) {\n      // Group may also have textContent\n      var label = el.getTextContent();\n      var labelLine = el.getTextGuideLine();\n      var isGroup = el.isGroup;\n\n      if (isGroup) {\n        // set z & zlevel of children elements of Group\n        // el.traverse((childEl: Element) => _updateZ(childEl, z, zlevel));\n        var children = el.childrenRef();\n\n        for (var i = 0; i < children.length; i++) {\n          maxZ2 = Math.max(_updateZ(children[i], z, zlevel, maxZ2), maxZ2);\n        }\n      } else {\n        // not Group\n        el.z = z;\n        el.zlevel = zlevel;\n        maxZ2 = Math.max(el.z2, maxZ2);\n      } // always set z and zlevel if label/labelLine exists\n\n\n      if (label) {\n        label.z = z;\n        label.zlevel = zlevel; // lift z2 of text content\n        // TODO if el.emphasis.z2 is spcefied, what about textContent.\n\n        isFinite(maxZ2) && (label.z2 = maxZ2 + 2);\n      }\n\n      if (labelLine) {\n        var textGuideLineConfig = el.textGuideLineConfig;\n        labelLine.z = z;\n        labelLine.zlevel = zlevel;\n        isFinite(maxZ2) && (labelLine.z2 = maxZ2 + (textGuideLineConfig && textGuideLineConfig.showAbove ? 1 : -1));\n      }\n\n      return maxZ2;\n    } // Clear states without animation.\n    // TODO States on component.\n\n\n    function clearStates(model, view) {\n      view.group.traverse(function (el) {\n        // Not applied on removed elements, it may still in fading.\n        if (graphic.isElementRemoved(el)) {\n          return;\n        }\n\n        var textContent = el.getTextContent();\n        var textGuide = el.getTextGuideLine();\n\n        if (el.stateTransition) {\n          el.stateTransition = null;\n        }\n\n        if (textContent && textContent.stateTransition) {\n          textContent.stateTransition = null;\n        }\n\n        if (textGuide && textGuide.stateTransition) {\n          textGuide.stateTransition = null;\n        } // TODO If el is incremental.\n\n\n        if (el.hasState()) {\n          el.prevStates = el.currentStates;\n          el.clearStates();\n        } else if (el.prevStates) {\n          el.prevStates = null;\n        }\n      });\n    }\n\n    function updateStates(model, view) {\n      var stateAnimationModel = model.getModel('stateAnimation');\n      var enableAnimation = model.isAnimationEnabled();\n      var duration = stateAnimationModel.get('duration');\n      var stateTransition = duration > 0 ? {\n        duration: duration,\n        delay: stateAnimationModel.get('delay'),\n        easing: stateAnimationModel.get('easing') // additive: stateAnimationModel.get('additive')\n\n      } : null;\n      view.group.traverse(function (el) {\n        if (el.states && el.states.emphasis) {\n          // Not applied on removed elements, it may still in fading.\n          if (graphic.isElementRemoved(el)) {\n            return;\n          }\n\n          if (el instanceof graphic.Path) {\n            savePathStates(el);\n          } // Only updated on changed element. In case element is incremental and don't wan't to rerender.\n          // TODO, a more proper way?\n\n\n          if (el.__dirty) {\n            var prevStates = el.prevStates; // Restore states without animation\n\n            if (prevStates) {\n              el.useStates(prevStates);\n            }\n          } // Update state transition and enable animation again.\n\n\n          if (enableAnimation) {\n            el.stateTransition = stateTransition;\n            var textContent = el.getTextContent();\n            var textGuide = el.getTextGuideLine(); // TODO Is it necessary to animate label?\n\n            if (textContent) {\n              textContent.stateTransition = stateTransition;\n            }\n\n            if (textGuide) {\n              textGuide.stateTransition = stateTransition;\n            }\n          } // The use higlighted and selected flag to toggle states.\n\n\n          if (el.__dirty) {\n            applyElementStates(el);\n          }\n        }\n      });\n    }\n\n    ;\n\n    createExtensionAPI = function (ecIns) {\n      return new (\n      /** @class */\n      function (_super) {\n        __extends(class_1, _super);\n\n        function class_1() {\n          return _super !== null && _super.apply(this, arguments) || this;\n        }\n\n        class_1.prototype.getCoordinateSystems = function () {\n          return ecIns._coordSysMgr.getCoordinateSystems();\n        };\n\n        class_1.prototype.getComponentByElement = function (el) {\n          while (el) {\n            var modelInfo = el.__ecComponentInfo;\n\n            if (modelInfo != null) {\n              return ecIns._model.getComponent(modelInfo.mainType, modelInfo.index);\n            }\n\n            el = el.parent;\n          }\n        };\n\n        class_1.prototype.enterEmphasis = function (el, highlightDigit) {\n          enterEmphasis(el, highlightDigit);\n          markStatusToUpdate(ecIns);\n        };\n\n        class_1.prototype.leaveEmphasis = function (el, highlightDigit) {\n          leaveEmphasis(el, highlightDigit);\n          markStatusToUpdate(ecIns);\n        };\n\n        class_1.prototype.enterBlur = function (el) {\n          enterBlur(el);\n          markStatusToUpdate(ecIns);\n        };\n\n        class_1.prototype.leaveBlur = function (el) {\n          leaveBlur(el);\n          markStatusToUpdate(ecIns);\n        };\n\n        class_1.prototype.enterSelect = function (el) {\n          enterSelect(el);\n          markStatusToUpdate(ecIns);\n        };\n\n        class_1.prototype.leaveSelect = function (el) {\n          leaveSelect(el);\n          markStatusToUpdate(ecIns);\n        };\n\n        class_1.prototype.getModel = function () {\n          return ecIns.getModel();\n        };\n\n        class_1.prototype.getViewOfComponentModel = function (componentModel) {\n          return ecIns.getViewOfComponentModel(componentModel);\n        };\n\n        class_1.prototype.getViewOfSeriesModel = function (seriesModel) {\n          return ecIns.getViewOfSeriesModel(seriesModel);\n        };\n\n        return class_1;\n      }(ExtensionAPI))(ecIns);\n    };\n\n    enableConnect = function (chart) {\n      function updateConnectedChartsStatus(charts, status) {\n        for (var i = 0; i < charts.length; i++) {\n          var otherChart = charts[i];\n          otherChart[CONNECT_STATUS_KEY] = status;\n        }\n      }\n\n      each(eventActionMap, function (actionType, eventType) {\n        chart._messageCenter.on(eventType, function (event) {\n          if (connectedGroups[chart.group] && chart[CONNECT_STATUS_KEY] !== CONNECT_STATUS_PENDING) {\n            if (event && event.escapeConnect) {\n              return;\n            }\n\n            var action_1 = chart.makeActionFromEvent(event);\n            var otherCharts_1 = [];\n            each(instances, function (otherChart) {\n              if (otherChart !== chart && otherChart.group === chart.group) {\n                otherCharts_1.push(otherChart);\n              }\n            });\n            updateConnectedChartsStatus(otherCharts_1, CONNECT_STATUS_PENDING);\n            each(otherCharts_1, function (otherChart) {\n              if (otherChart[CONNECT_STATUS_KEY] !== CONNECT_STATUS_UPDATING) {\n                otherChart.dispatchAction(action_1);\n              }\n            });\n            updateConnectedChartsStatus(otherCharts_1, CONNECT_STATUS_UPDATED);\n          }\n        });\n      });\n    };\n\n    setTransitionOpt = function (chart, transitionOpt) {\n      var ecModel = chart._model;\n      zrUtil.each(modelUtil.normalizeToArray(transitionOpt), function (transOpt) {\n        var errMsg;\n        var fromOpt = transOpt.from;\n        var toOpt = transOpt.to;\n\n        if (toOpt == null) {\n          if (process.env.NODE_ENV !== 'production') {\n            errMsg = '`transition.to` must be specified.';\n          }\n\n          throwError(errMsg);\n        }\n\n        var finderOpt = {\n          includeMainTypes: ['series'],\n          enableAll: false,\n          enableNone: false\n        };\n        var fromResult = fromOpt ? modelUtil.parseFinder(ecModel, fromOpt, finderOpt) : null;\n        var toResult = modelUtil.parseFinder(ecModel, toOpt, finderOpt);\n        var toSeries = toResult.seriesModel;\n\n        if (toSeries == null) {\n          errMsg = '';\n\n          if (process.env.NODE_ENV !== 'production') {\n            errMsg = '`transition` is only supported on series.';\n          }\n        }\n\n        if (fromResult && fromResult.seriesModel !== toSeries) {\n          errMsg = '';\n\n          if (process.env.NODE_ENV !== 'production') {\n            errMsg = '`transition.from` and `transition.to` must be specified to the same series.';\n          }\n        }\n\n        if (errMsg != null) {\n          throwError(errMsg);\n        } // Just a temp solution: mount them on series.\n\n\n        toSeries.__transientTransitionOpt = {\n          from: fromOpt ? fromOpt.dimension : null,\n          to: toOpt.dimension,\n          dividingMethod: transOpt.dividingMethod\n        };\n      });\n    };\n  }();\n\n  return ECharts;\n}(Eventful);\n\nvar echartsProto = ECharts.prototype;\nechartsProto.on = createRegisterEventWithLowercaseECharts('on');\nechartsProto.off = createRegisterEventWithLowercaseECharts('off');\n/**\n * @deprecated\n */\n// @ts-ignore\n\nechartsProto.one = function (eventName, cb, ctx) {\n  var self = this;\n  deprecateLog('ECharts#one is deprecated.');\n\n  function wrapped() {\n    var args2 = [];\n\n    for (var _i = 0; _i < arguments.length; _i++) {\n      args2[_i] = arguments[_i];\n    }\n\n    cb && cb.apply && cb.apply(this, args2); // @ts-ignore\n\n    self.off(eventName, wrapped);\n  }\n\n  ; // @ts-ignore\n\n  this.on.call(this, eventName, wrapped, ctx);\n}; // /**\n//  * Encode visual infomation from data after data processing\n//  *\n//  * @param {module:echarts/model/Global} ecModel\n//  * @param {object} layout\n//  * @param {boolean} [layoutFilter] `true`: only layout,\n//  *                                 `false`: only not layout,\n//  *                                 `null`/`undefined`: all.\n//  * @param {string} taskBaseTag\n//  * @private\n//  */\n// function startVisualEncoding(ecIns, ecModel, api, payload, layoutFilter) {\n//     each(visualFuncs, function (visual, index) {\n//         let isLayout = visual.isLayout;\n//         if (layoutFilter == null\n//             || (layoutFilter === false && !isLayout)\n//             || (layoutFilter === true && isLayout)\n//         ) {\n//             visual.func(ecModel, api, payload);\n//         }\n//     });\n// }\n\n\nvar MOUSE_EVENT_NAMES = ['click', 'dblclick', 'mouseover', 'mouseout', 'mousemove', 'mousedown', 'mouseup', 'globalout', 'contextmenu'];\n\nfunction disposedWarning(id) {\n  if (process.env.NODE_ENV !== 'production') {\n    console.warn('Instance ' + id + ' has been disposed');\n  }\n}\n\nvar actions = {};\n/**\n * Map eventType to actionType\n */\n\nvar eventActionMap = {};\nvar dataProcessorFuncs = [];\nvar optionPreprocessorFuncs = [];\nvar postInitFuncs = [];\nvar postUpdateFuncs = [];\nvar visualFuncs = [];\nvar themeStorage = {};\nvar loadingEffects = {};\nvar instances = {};\nvar connectedGroups = {};\nvar idBase = +new Date() - 0;\nvar groupIdBase = +new Date() - 0;\nvar DOM_ATTRIBUTE_KEY = '_echarts_instance_';\n/**\n * @param opts.devicePixelRatio Use window.devicePixelRatio by default\n * @param opts.renderer Can choose 'canvas' or 'svg' to render the chart.\n * @param opts.width Use clientWidth of the input `dom` by default.\n *        Can be 'auto' (the same as null/undefined)\n * @param opts.height Use clientHeight of the input `dom` by default.\n *        Can be 'auto' (the same as null/undefined)\n */\n\nexport function init(dom, theme, opts) {\n  if (process.env.NODE_ENV !== 'production') {\n    if (!dom) {\n      throw new Error('Initialize failed: invalid dom.');\n    }\n  }\n\n  var existInstance = getInstanceByDom(dom);\n\n  if (existInstance) {\n    if (process.env.NODE_ENV !== 'production') {\n      console.warn('There is a chart instance already initialized on the dom.');\n    }\n\n    return existInstance;\n  }\n\n  if (process.env.NODE_ENV !== 'production') {\n    if (zrUtil.isDom(dom) && dom.nodeName.toUpperCase() !== 'CANVAS' && (!dom.clientWidth && (!opts || opts.width == null) || !dom.clientHeight && (!opts || opts.height == null))) {\n      console.warn('Can\\'t get DOM width or height. Please check ' + 'dom.clientWidth and dom.clientHeight. They should not be 0.' + 'For example, you may need to call this in the callback ' + 'of window.onload.');\n    }\n  }\n\n  var chart = new ECharts(dom, theme, opts);\n  chart.id = 'ec_' + idBase++;\n  instances[chart.id] = chart;\n  modelUtil.setAttribute(dom, DOM_ATTRIBUTE_KEY, chart.id);\n  enableConnect(chart);\n  each(postInitFuncs, function (postInitFunc) {\n    postInitFunc(chart);\n  });\n  return chart;\n}\n/**\n * @usage\n * (A)\n * ```js\n * let chart1 = echarts.init(dom1);\n * let chart2 = echarts.init(dom2);\n * chart1.group = 'xxx';\n * chart2.group = 'xxx';\n * echarts.connect('xxx');\n * ```\n * (B)\n * ```js\n * let chart1 = echarts.init(dom1);\n * let chart2 = echarts.init(dom2);\n * echarts.connect('xxx', [chart1, chart2]);\n * ```\n */\n\nexport function connect(groupId) {\n  // Is array of charts\n  if (zrUtil.isArray(groupId)) {\n    var charts = groupId;\n    groupId = null; // If any chart has group\n\n    each(charts, function (chart) {\n      if (chart.group != null) {\n        groupId = chart.group;\n      }\n    });\n    groupId = groupId || 'g_' + groupIdBase++;\n    each(charts, function (chart) {\n      chart.group = groupId;\n    });\n  }\n\n  connectedGroups[groupId] = true;\n  return groupId;\n}\n/**\n * @deprecated\n */\n\nexport function disConnect(groupId) {\n  connectedGroups[groupId] = false;\n}\n/**\n * Alias and backword compat\n */\n\nexport var disconnect = disConnect;\n/**\n * Dispose a chart instance\n */\n\nexport function dispose(chart) {\n  if (typeof chart === 'string') {\n    chart = instances[chart];\n  } else if (!(chart instanceof ECharts)) {\n    // Try to treat as dom\n    chart = getInstanceByDom(chart);\n  }\n\n  if (chart instanceof ECharts && !chart.isDisposed()) {\n    chart.dispose();\n  }\n}\nexport function getInstanceByDom(dom) {\n  return instances[modelUtil.getAttribute(dom, DOM_ATTRIBUTE_KEY)];\n}\nexport function getInstanceById(key) {\n  return instances[key];\n}\n/**\n * Register theme\n */\n\nexport function registerTheme(name, theme) {\n  themeStorage[name] = theme;\n}\n/**\n * Register option preprocessor\n */\n\nexport function registerPreprocessor(preprocessorFunc) {\n  if (indexOf(optionPreprocessorFuncs, preprocessorFunc) < 0) {\n    optionPreprocessorFuncs.push(preprocessorFunc);\n  }\n}\nexport function registerProcessor(priority, processor) {\n  normalizeRegister(dataProcessorFuncs, priority, processor, PRIORITY_PROCESSOR_DEFAULT);\n}\n/**\n * Register postIniter\n * @param {Function} postInitFunc\n */\n\nexport function registerPostInit(postInitFunc) {\n  if (indexOf(postInitFuncs, postInitFunc) < 0) {\n    postInitFunc && postInitFuncs.push(postInitFunc);\n  }\n}\n/**\n * Register postUpdater\n * @param {Function} postUpdateFunc\n */\n\nexport function registerPostUpdate(postUpdateFunc) {\n  if (indexOf(postUpdateFuncs, postUpdateFunc) < 0) {\n    postUpdateFunc && postUpdateFuncs.push(postUpdateFunc);\n  }\n}\nexport function registerAction(actionInfo, eventName, action) {\n  if (typeof eventName === 'function') {\n    action = eventName;\n    eventName = '';\n  }\n\n  var actionType = isObject(actionInfo) ? actionInfo.type : [actionInfo, actionInfo = {\n    event: eventName\n  }][0]; // Event name is all lowercase\n\n  actionInfo.event = (actionInfo.event || actionType).toLowerCase();\n  eventName = actionInfo.event;\n\n  if (eventActionMap[eventName]) {\n    // Already registered.\n    return;\n  } // Validate action type and event name.\n\n\n  assert(ACTION_REG.test(actionType) && ACTION_REG.test(eventName));\n\n  if (!actions[actionType]) {\n    actions[actionType] = {\n      action: action,\n      actionInfo: actionInfo\n    };\n  }\n\n  eventActionMap[eventName] = actionType;\n}\nexport function registerCoordinateSystem(type, coordSysCreator) {\n  CoordinateSystemManager.register(type, coordSysCreator);\n}\n/**\n * Get dimensions of specified coordinate system.\n * @param {string} type\n * @return {Array.<string|Object>}\n */\n\nexport function getCoordinateSystemDimensions(type) {\n  var coordSysCreator = CoordinateSystemManager.get(type);\n\n  if (coordSysCreator) {\n    return coordSysCreator.getDimensionsInfo ? coordSysCreator.getDimensionsInfo() : coordSysCreator.dimensions.slice();\n  }\n}\nexport { registerLocale } from './locale';\n\nfunction registerLayout(priority, layoutTask) {\n  normalizeRegister(visualFuncs, priority, layoutTask, PRIORITY_VISUAL_LAYOUT, 'layout');\n}\n\nfunction registerVisual(priority, visualTask) {\n  normalizeRegister(visualFuncs, priority, visualTask, PRIORITY_VISUAL_CHART, 'visual');\n}\n\nexport { registerLayout, registerVisual };\nvar registeredTasks = [];\n\nfunction normalizeRegister(targetList, priority, fn, defaultPriority, visualType) {\n  if (isFunction(priority) || isObject(priority)) {\n    fn = priority;\n    priority = defaultPriority;\n  }\n\n  if (process.env.NODE_ENV !== 'production') {\n    if (isNaN(priority) || priority == null) {\n      throw new Error('Illegal priority');\n    } // Check duplicate\n\n\n    each(targetList, function (wrap) {\n      assert(wrap.__raw !== fn);\n    });\n  } // Already registered\n\n\n  if (indexOf(registeredTasks, fn) >= 0) {\n    return;\n  }\n\n  registeredTasks.push(fn);\n  var stageHandler = Scheduler.wrapStageHandler(fn, visualType);\n  stageHandler.__prio = priority;\n  stageHandler.__raw = fn;\n  targetList.push(stageHandler);\n}\n\nexport function registerLoading(name, loadingFx) {\n  loadingEffects[name] = loadingFx;\n}\n/**\n * ZRender need a canvas context to do measureText.\n * But in node environment canvas may be created by node-canvas.\n * So we need to specify how to create a canvas instead of using document.createElement('canvas')\n *\n * Be careful of using it in the browser.\n *\n * @example\n *     let Canvas = require('canvas');\n *     let echarts = require('echarts');\n *     echarts.setCanvasCreator(function () {\n *         // Small size is enough.\n *         return new Canvas(32, 32);\n *     });\n */\n\nexport function setCanvasCreator(creator) {\n  zrUtil.$override('createCanvas', creator);\n}\n/**\n * The parameters and usage: see `geoSourceManager.registerMap`.\n * Compatible with previous `echarts.registerMap`.\n */\n\nexport function registerMap(mapName, geoJson, specialAreas) {\n  geoSourceManager.registerMap(mapName, geoJson, specialAreas);\n}\nexport function getMap(mapName) {\n  return geoSourceManager.getMapForUser(mapName);\n}\nexport var registerTransform = registerExternalTransform;\n/**\n * Globa dispatchAction to a specified chart instance.\n */\n// export function dispatchAction(payload: { chartId: string } & Payload, opt?: Parameters<ECharts['dispatchAction']>[1]) {\n//     if (!payload || !payload.chartId) {\n//         // Must have chartId to find chart\n//         return;\n//     }\n//     const chart = instances[payload.chartId];\n//     if (chart) {\n//         chart.dispatchAction(payload, opt);\n//     }\n// }\n// Buitlin global visual\n\nregisterVisual(PRIORITY_VISUAL_GLOBAL, seriesStyleTask);\nregisterVisual(PRIORITY_VISUAL_CHART_DATA_CUSTOM, dataStyleTask);\nregisterVisual(PRIORITY_VISUAL_CHART_DATA_CUSTOM, dataColorPaletteTask);\nregisterVisual(PRIORITY_VISUAL_GLOBAL, seriesSymbolTask);\nregisterVisual(PRIORITY_VISUAL_CHART_DATA_CUSTOM, dataSymbolTask);\nregisterVisual(PRIORITY_VISUAL_DECAL, decal);\nregisterPreprocessor(backwardCompat);\nregisterProcessor(PRIORITY_PROCESSOR_DATASTACK, dataStack);\nregisterLoading('default', loadingDefault); // Default actions\n\nregisterAction({\n  type: HIGHLIGHT_ACTION_TYPE,\n  event: HIGHLIGHT_ACTION_TYPE,\n  update: HIGHLIGHT_ACTION_TYPE\n}, zrUtil.noop);\nregisterAction({\n  type: DOWNPLAY_ACTION_TYPE,\n  event: DOWNPLAY_ACTION_TYPE,\n  update: DOWNPLAY_ACTION_TYPE\n}, zrUtil.noop);\nregisterAction({\n  type: SELECT_ACTION_TYPE,\n  event: SELECT_ACTION_TYPE,\n  update: SELECT_ACTION_TYPE\n}, zrUtil.noop);\nregisterAction({\n  type: UNSELECT_ACTION_TYPE,\n  event: UNSELECT_ACTION_TYPE,\n  update: UNSELECT_ACTION_TYPE\n}, zrUtil.noop);\nregisterAction({\n  type: TOGGLE_SELECT_ACTION_TYPE,\n  event: TOGGLE_SELECT_ACTION_TYPE,\n  update: TOGGLE_SELECT_ACTION_TYPE\n}, zrUtil.noop); // Default theme\n\nregisterTheme('light', lightTheme);\nregisterTheme('dark', darkTheme); // For backward compatibility, where the namespace `dataTool` will\n// be mounted on `echarts` is the extension `dataTool` is imported.\n\nexport var dataTool = {};","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { createOrUpdatePatternFromDecal } from '../util/decal';\nexport default function decalVisual(ecModel, api) {\n  ecModel.eachRawSeries(function (seriesModel) {\n    if (ecModel.isSeriesFiltered(seriesModel)) {\n      return;\n    }\n\n    var data = seriesModel.getData();\n\n    if (data.hasItemVisual()) {\n      data.each(function (idx) {\n        var decal = data.getItemVisual(idx, 'decal');\n\n        if (decal) {\n          var itemStyle = data.ensureUniqueItemVisual(idx, 'style');\n          itemStyle.decal = createOrUpdatePatternFromDecal(decal, api);\n        }\n      });\n    }\n\n    var decal = data.getVisual('decal');\n\n    if (decal) {\n      var style = data.getVisual('style');\n      style.decal = createOrUpdatePatternFromDecal(decal, api);\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\n/**\n * Linear continuous scale\n * http://en.wikipedia.org/wiki/Level_of_measurement\n */\n// FIXME only one data\n\nimport Scale from './Scale';\nimport OrdinalMeta from '../data/OrdinalMeta';\nimport * as scaleHelper from './helper';\nimport { isArray, map, isObject } from 'zrender/lib/core/util';\n\nvar OrdinalScale =\n/** @class */\nfunction (_super) {\n  __extends(OrdinalScale, _super);\n\n  function OrdinalScale(setting) {\n    var _this = _super.call(this, setting) || this;\n\n    _this.type = 'ordinal';\n\n    var ordinalMeta = _this.getSetting('ordinalMeta'); // Caution: Should not use instanceof, consider ec-extensions using\n    // import approach to get OrdinalMeta class.\n\n\n    if (!ordinalMeta) {\n      ordinalMeta = new OrdinalMeta({});\n    }\n\n    if (isArray(ordinalMeta)) {\n      ordinalMeta = new OrdinalMeta({\n        categories: map(ordinalMeta, function (item) {\n          return isObject(item) ? item.value : item;\n        })\n      });\n    }\n\n    _this._ordinalMeta = ordinalMeta;\n    _this._extent = _this.getSetting('extent') || [0, ordinalMeta.categories.length - 1];\n    return _this;\n  }\n\n  OrdinalScale.prototype.parse = function (val) {\n    return typeof val === 'string' ? this._ordinalMeta.getOrdinal(val) // val might be float.\n    : Math.round(val);\n  };\n\n  OrdinalScale.prototype.contain = function (rank) {\n    rank = this.parse(rank);\n    return scaleHelper.contain(rank, this._extent) && this._ordinalMeta.categories[rank] != null;\n  };\n  /**\n   * Normalize given rank or name to linear [0, 1]\n   * @param val raw ordinal number.\n   * @return normalized value in [0, 1].\n   */\n\n\n  OrdinalScale.prototype.normalize = function (val) {\n    val = this._getTickNumber(this.parse(val));\n    return scaleHelper.normalize(val, this._extent);\n  };\n  /**\n   * @param val normalized value in [0, 1].\n   * @return raw ordinal number.\n   */\n\n\n  OrdinalScale.prototype.scale = function (val) {\n    val = Math.round(scaleHelper.scale(val, this._extent));\n    return this.getRawOrdinalNumber(val);\n  };\n\n  OrdinalScale.prototype.getTicks = function () {\n    var ticks = [];\n    var extent = this._extent;\n    var rank = extent[0];\n\n    while (rank <= extent[1]) {\n      ticks.push({\n        value: rank\n      });\n      rank++;\n    }\n\n    return ticks;\n  };\n\n  OrdinalScale.prototype.getMinorTicks = function (splitNumber) {\n    // Not support.\n    return;\n  };\n  /**\n   * @see `Ordinal['_ordinalNumbersByTick']`\n   */\n\n\n  OrdinalScale.prototype.setSortInfo = function (info) {\n    if (info == null) {\n      this._ordinalNumbersByTick = this._ticksByOrdinalNumber = null;\n      return;\n    }\n\n    var infoOrdinalNumbers = info.ordinalNumbers;\n    var ordinalsByTick = this._ordinalNumbersByTick = [];\n    var ticksByOrdinal = this._ticksByOrdinalNumber = []; // Unnecessary support negative tick in `realtimeSort`.\n\n    var tickNum = 0;\n    var allCategoryLen = this._ordinalMeta.categories.length;\n\n    for (var len = Math.min(allCategoryLen, infoOrdinalNumbers.length); tickNum < len; ++tickNum) {\n      var ordinalNumber = infoOrdinalNumbers[tickNum];\n      ordinalsByTick[tickNum] = ordinalNumber;\n      ticksByOrdinal[ordinalNumber] = tickNum;\n    } // Handle that `series.data` only covers part of the `axis.category.data`.\n\n\n    var unusedOrdinal = 0;\n\n    for (; tickNum < allCategoryLen; ++tickNum) {\n      while (ticksByOrdinal[unusedOrdinal] != null) {\n        unusedOrdinal++;\n      }\n\n      ;\n      ordinalsByTick.push(unusedOrdinal);\n      ticksByOrdinal[unusedOrdinal] = tickNum;\n    }\n  };\n\n  OrdinalScale.prototype._getTickNumber = function (ordinal) {\n    var ticksByOrdinalNumber = this._ticksByOrdinalNumber; // also support ordinal out of range of `ordinalMeta.categories.length`,\n    // where ordinal numbers are used as tick value directly.\n\n    return ticksByOrdinalNumber && ordinal >= 0 && ordinal < ticksByOrdinalNumber.length ? ticksByOrdinalNumber[ordinal] : ordinal;\n  };\n  /**\n   * @usage\n   * ```js\n   * const ordinalNumber = ordinalScale.getRawOrdinalNumber(tickVal);\n   *\n   * // case0\n   * const rawOrdinalValue = axisModel.getCategories()[ordinalNumber];\n   * // case1\n   * const rawOrdinalValue = this._ordinalMeta.categories[ordinalNumber];\n   * // case2\n   * const coord = axis.dataToCoord(ordinalNumber);\n   * ```\n   *\n   * @param {OrdinalNumber} tickNumber index of display\n   */\n\n\n  OrdinalScale.prototype.getRawOrdinalNumber = function (tickNumber) {\n    var ordinalNumbersByTick = this._ordinalNumbersByTick; // tickNumber may be out of range, e.g., when axis max is larger than `ordinalMeta.categories.length`.,\n    // where ordinal numbers are used as tick value directly.\n\n    return ordinalNumbersByTick && tickNumber >= 0 && tickNumber < ordinalNumbersByTick.length ? ordinalNumbersByTick[tickNumber] : tickNumber;\n  };\n  /**\n   * Get item on tick\n   */\n\n\n  OrdinalScale.prototype.getLabel = function (tick) {\n    if (!this.isBlank()) {\n      var ordinalNumber = this.getRawOrdinalNumber(tick.value);\n      var cateogry = this._ordinalMeta.categories[ordinalNumber]; // Note that if no data, ordinalMeta.categories is an empty array.\n      // Return empty if it's not exist.\n\n      return cateogry == null ? '' : cateogry + '';\n    }\n  };\n\n  OrdinalScale.prototype.count = function () {\n    return this._extent[1] - this._extent[0] + 1;\n  };\n\n  OrdinalScale.prototype.unionExtentFromData = function (data, dim) {\n    this.unionExtent(data.getApproximateExtent(dim));\n  };\n  /**\n   * @override\n   * If value is in extent range\n   */\n\n\n  OrdinalScale.prototype.isInExtentRange = function (value) {\n    value = this._getTickNumber(value);\n    return this._extent[0] <= value && this._extent[1] >= value;\n  };\n\n  OrdinalScale.prototype.getOrdinalMeta = function () {\n    return this._ordinalMeta;\n  };\n\n  OrdinalScale.prototype.niceTicks = function () {};\n\n  OrdinalScale.prototype.niceExtent = function () {};\n\n  OrdinalScale.type = 'ordinal';\n  return OrdinalScale;\n}(Scale);\n\nScale.registerClass(OrdinalScale);\nexport default OrdinalScale;","import { __extends } from \"tslib\";\nimport Element from '../Element';\nimport BoundingRect from '../core/BoundingRect';\nimport { keys, extend, createObject } from '../core/util';\nvar STYLE_MAGIC_KEY = '__zr_style_' + Math.round((Math.random() * 10));\nexport var DEFAULT_COMMON_STYLE = {\n    shadowBlur: 0,\n    shadowOffsetX: 0,\n    shadowOffsetY: 0,\n    shadowColor: '#000',\n    opacity: 1,\n    blend: 'source-over'\n};\nexport var DEFAULT_COMMON_ANIMATION_PROPS = {\n    style: {\n        shadowBlur: true,\n        shadowOffsetX: true,\n        shadowOffsetY: true,\n        shadowColor: true,\n        opacity: true\n    }\n};\nDEFAULT_COMMON_STYLE[STYLE_MAGIC_KEY] = true;\nvar PRIMARY_STATES_KEYS = ['z', 'z2', 'invisible'];\nvar Displayable = (function (_super) {\n    __extends(Displayable, _super);\n    function Displayable(props) {\n        return _super.call(this, props) || this;\n    }\n    Displayable.prototype._init = function (props) {\n        var keysArr = keys(props);\n        for (var i = 0; i < keysArr.length; i++) {\n            var key = keysArr[i];\n            if (key === 'style') {\n                this.useStyle(props[key]);\n            }\n            else {\n                _super.prototype.attrKV.call(this, key, props[key]);\n            }\n        }\n        if (!this.style) {\n            this.useStyle({});\n        }\n    };\n    Displayable.prototype.beforeBrush = function () { };\n    Displayable.prototype.afterBrush = function () { };\n    Displayable.prototype.innerBeforeBrush = function () { };\n    Displayable.prototype.innerAfterBrush = function () { };\n    Displayable.prototype.shouldBePainted = function (viewWidth, viewHeight, considerClipPath, considerAncestors) {\n        var m = this.transform;\n        if (this.ignore\n            || this.invisible\n            || this.style.opacity === 0\n            || (this.culling\n                && isDisplayableCulled(this, viewWidth, viewHeight))\n            || (m && !m[0] && !m[3])) {\n            return false;\n        }\n        if (considerClipPath && this.__clipPaths) {\n            for (var i = 0; i < this.__clipPaths.length; ++i) {\n                if (this.__clipPaths[i].isZeroArea()) {\n                    return false;\n                }\n            }\n        }\n        if (considerAncestors && this.parent) {\n            var parent_1 = this.parent;\n            while (parent_1) {\n                if (parent_1.ignore) {\n                    return false;\n                }\n                parent_1 = parent_1.parent;\n            }\n        }\n        return true;\n    };\n    Displayable.prototype.contain = function (x, y) {\n        return this.rectContain(x, y);\n    };\n    Displayable.prototype.traverse = function (cb, context) {\n        cb.call(context, this);\n    };\n    Displayable.prototype.rectContain = function (x, y) {\n        var coord = this.transformCoordToLocal(x, y);\n        var rect = this.getBoundingRect();\n        return rect.contain(coord[0], coord[1]);\n    };\n    Displayable.prototype.getPaintRect = function () {\n        var rect = this._paintRect;\n        if (!this._paintRect || this.__dirty) {\n            var transform = this.transform;\n            var elRect = this.getBoundingRect();\n            var style = this.style;\n            var shadowSize = style.shadowBlur || 0;\n            var shadowOffsetX = style.shadowOffsetX || 0;\n            var shadowOffsetY = style.shadowOffsetY || 0;\n            rect = this._paintRect || (this._paintRect = new BoundingRect(0, 0, 0, 0));\n            if (transform) {\n                BoundingRect.applyTransform(rect, elRect, transform);\n            }\n            else {\n                rect.copy(elRect);\n            }\n            if (shadowSize || shadowOffsetX || shadowOffsetY) {\n                rect.width += shadowSize * 2 + Math.abs(shadowOffsetX);\n                rect.height += shadowSize * 2 + Math.abs(shadowOffsetY);\n                rect.x = Math.min(rect.x, rect.x + shadowOffsetX - shadowSize);\n                rect.y = Math.min(rect.y, rect.y + shadowOffsetY - shadowSize);\n            }\n            var tolerance = this.dirtyRectTolerance;\n            if (!rect.isZero()) {\n                rect.x = Math.floor(rect.x - tolerance);\n                rect.y = Math.floor(rect.y - tolerance);\n                rect.width = Math.ceil(rect.width + 1 + tolerance * 2);\n                rect.height = Math.ceil(rect.height + 1 + tolerance * 2);\n            }\n        }\n        return rect;\n    };\n    Displayable.prototype.setPrevPaintRect = function (paintRect) {\n        if (paintRect) {\n            this._prevPaintRect = this._prevPaintRect || new BoundingRect(0, 0, 0, 0);\n            this._prevPaintRect.copy(paintRect);\n        }\n        else {\n            this._prevPaintRect = null;\n        }\n    };\n    Displayable.prototype.getPrevPaintRect = function () {\n        return this._prevPaintRect;\n    };\n    Displayable.prototype.animateStyle = function (loop) {\n        return this.animate('style', loop);\n    };\n    Displayable.prototype.updateDuringAnimation = function (targetKey) {\n        if (targetKey === 'style') {\n            this.dirtyStyle();\n        }\n        else {\n            this.markRedraw();\n        }\n    };\n    Displayable.prototype.attrKV = function (key, value) {\n        if (key !== 'style') {\n            _super.prototype.attrKV.call(this, key, value);\n        }\n        else {\n            if (!this.style) {\n                this.useStyle(value);\n            }\n            else {\n                this.setStyle(value);\n            }\n        }\n    };\n    Displayable.prototype.setStyle = function (keyOrObj, value) {\n        if (typeof keyOrObj === 'string') {\n            this.style[keyOrObj] = value;\n        }\n        else {\n            extend(this.style, keyOrObj);\n        }\n        this.dirtyStyle();\n        return this;\n    };\n    Displayable.prototype.dirtyStyle = function () {\n        this.markRedraw();\n        this.__dirty |= Displayable.STYLE_CHANGED_BIT;\n        if (this._rect) {\n            this._rect = null;\n        }\n    };\n    Displayable.prototype.dirty = function () {\n        this.dirtyStyle();\n    };\n    Displayable.prototype.styleChanged = function () {\n        return !!(this.__dirty & Displayable.STYLE_CHANGED_BIT);\n    };\n    Displayable.prototype.styleUpdated = function () {\n        this.__dirty &= ~Displayable.STYLE_CHANGED_BIT;\n    };\n    Displayable.prototype.createStyle = function (obj) {\n        return createObject(DEFAULT_COMMON_STYLE, obj);\n    };\n    Displayable.prototype.useStyle = function (obj) {\n        if (!obj[STYLE_MAGIC_KEY]) {\n            obj = this.createStyle(obj);\n        }\n        if (this.__inHover) {\n            this.__hoverStyle = obj;\n        }\n        else {\n            this.style = obj;\n        }\n        this.dirtyStyle();\n    };\n    Displayable.prototype.isStyleObject = function (obj) {\n        return obj[STYLE_MAGIC_KEY];\n    };\n    Displayable.prototype._innerSaveToNormal = function (toState) {\n        _super.prototype._innerSaveToNormal.call(this, toState);\n        var normalState = this._normalState;\n        if (toState.style && !normalState.style) {\n            normalState.style = this._mergeStyle(this.createStyle(), this.style);\n        }\n        this._savePrimaryToNormal(toState, normalState, PRIMARY_STATES_KEYS);\n    };\n    Displayable.prototype._applyStateObj = function (stateName, state, normalState, keepCurrentStates, transition, animationCfg) {\n        _super.prototype._applyStateObj.call(this, stateName, state, normalState, keepCurrentStates, transition, animationCfg);\n        var needsRestoreToNormal = !(state && keepCurrentStates);\n        var targetStyle;\n        if (state && state.style) {\n            if (transition) {\n                if (keepCurrentStates) {\n                    targetStyle = state.style;\n                }\n                else {\n                    targetStyle = this._mergeStyle(this.createStyle(), normalState.style);\n                    this._mergeStyle(targetStyle, state.style);\n                }\n            }\n            else {\n                targetStyle = this._mergeStyle(this.createStyle(), keepCurrentStates ? this.style : normalState.style);\n                this._mergeStyle(targetStyle, state.style);\n            }\n        }\n        else if (needsRestoreToNormal) {\n            targetStyle = normalState.style;\n        }\n        if (targetStyle) {\n            if (transition) {\n                var sourceStyle = this.style;\n                this.style = this.createStyle(needsRestoreToNormal ? {} : sourceStyle);\n                if (needsRestoreToNormal) {\n                    var changedKeys = keys(sourceStyle);\n                    for (var i = 0; i < changedKeys.length; i++) {\n                        var key = changedKeys[i];\n                        if (key in targetStyle) {\n                            targetStyle[key] = targetStyle[key];\n                            this.style[key] = sourceStyle[key];\n                        }\n                    }\n                }\n                var targetKeys = keys(targetStyle);\n                for (var i = 0; i < targetKeys.length; i++) {\n                    var key = targetKeys[i];\n                    this.style[key] = this.style[key];\n                }\n                this._transitionState(stateName, {\n                    style: targetStyle\n                }, animationCfg, this.getAnimationStyleProps());\n            }\n            else {\n                this.useStyle(targetStyle);\n            }\n        }\n        for (var i = 0; i < PRIMARY_STATES_KEYS.length; i++) {\n            var key = PRIMARY_STATES_KEYS[i];\n            if (state && state[key] != null) {\n                this[key] = state[key];\n            }\n            else if (needsRestoreToNormal) {\n                if (normalState[key] != null) {\n                    this[key] = normalState[key];\n                }\n            }\n        }\n    };\n    Displayable.prototype._mergeStates = function (states) {\n        var mergedState = _super.prototype._mergeStates.call(this, states);\n        var mergedStyle;\n        for (var i = 0; i < states.length; i++) {\n            var state = states[i];\n            if (state.style) {\n                mergedStyle = mergedStyle || {};\n                this._mergeStyle(mergedStyle, state.style);\n            }\n        }\n        if (mergedStyle) {\n            mergedState.style = mergedStyle;\n        }\n        return mergedState;\n    };\n    Displayable.prototype._mergeStyle = function (targetStyle, sourceStyle) {\n        extend(targetStyle, sourceStyle);\n        return targetStyle;\n    };\n    Displayable.prototype.getAnimationStyleProps = function () {\n        return DEFAULT_COMMON_ANIMATION_PROPS;\n    };\n    Displayable.STYLE_CHANGED_BIT = 2;\n    Displayable.initDefaultProps = (function () {\n        var dispProto = Displayable.prototype;\n        dispProto.type = 'displayable';\n        dispProto.invisible = false;\n        dispProto.z = 0;\n        dispProto.z2 = 0;\n        dispProto.zlevel = 0;\n        dispProto.culling = false;\n        dispProto.cursor = 'pointer';\n        dispProto.rectHover = false;\n        dispProto.incremental = false;\n        dispProto._rect = null;\n        dispProto.dirtyRectTolerance = 0;\n        dispProto.__dirty = Element.REDARAW_BIT | Displayable.STYLE_CHANGED_BIT;\n    })();\n    return Displayable;\n}(Element));\nvar tmpRect = new BoundingRect(0, 0, 0, 0);\nvar viewRect = new BoundingRect(0, 0, 0, 0);\nfunction isDisplayableCulled(el, width, height) {\n    tmpRect.copy(el.getBoundingRect());\n    if (el.transform) {\n        tmpRect.applyTransform(el.transform);\n    }\n    viewRect.width = width;\n    viewRect.height = height;\n    return !tmpRect.intersect(viewRect);\n}\nexport default Displayable;\n","import { Operator } from '../Operator';\nimport { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { async } from '../scheduler/async';\nimport { MonoTypeOperatorFunction, SchedulerLike, TeardownLogic } from '../types';\n\n/**\n * Emits a value from the source Observable only after a particular time span\n * has passed without another source emission.\n *\n * <span class=\"informal\">It's like {@link delay}, but passes only the most\n * recent value from each burst of emissions.</span>\n *\n * ![](debounceTime.png)\n *\n * `debounceTime` delays values emitted by the source Observable, but drops\n * previous pending delayed emissions if a new value arrives on the source\n * Observable. This operator keeps track of the most recent value from the\n * source Observable, and emits that only when `dueTime` enough time has passed\n * without any other value appearing on the source Observable. If a new value\n * appears before `dueTime` silence occurs, the previous value will be dropped\n * and will not be emitted on the output Observable.\n *\n * This is a rate-limiting operator, because it is impossible for more than one\n * value to be emitted in any time window of duration `dueTime`, but it is also\n * a delay-like operator since output emissions do not occur at the same time as\n * they did on the source Observable. Optionally takes a {@link SchedulerLike} for\n * managing timers.\n *\n * ## Example\n * Emit the most recent click after a burst of clicks\n * ```ts\n * import { fromEvent } from 'rxjs';\n * import { debounceTime } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(debounceTime(1000));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link auditTime}\n * @see {@link debounce}\n * @see {@link delay}\n * @see {@link sampleTime}\n * @see {@link throttleTime}\n *\n * @param {number} dueTime The timeout duration in milliseconds (or the time\n * unit determined internally by the optional `scheduler`) for the window of\n * time required to wait for emission silence before emitting the most recent\n * source value.\n * @param {SchedulerLike} [scheduler=async] The {@link SchedulerLike} to use for\n * managing the timers that handle the timeout for each value.\n * @return {Observable} An Observable that delays the emissions of the source\n * Observable by the specified `dueTime`, and may drop some values if they occur\n * too frequently.\n * @method debounceTime\n * @owner Observable\n */\nexport function debounceTime<T>(dueTime: number, scheduler: SchedulerLike = async): MonoTypeOperatorFunction<T> {\n  return (source: Observable<T>) => source.lift(new DebounceTimeOperator(dueTime, scheduler));\n}\n\nclass DebounceTimeOperator<T> implements Operator<T, T> {\n  constructor(private dueTime: number, private scheduler: SchedulerLike) {\n  }\n\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    return source.subscribe(new DebounceTimeSubscriber(subscriber, this.dueTime, this.scheduler));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass DebounceTimeSubscriber<T> extends Subscriber<T> {\n  private debouncedSubscription: Subscription = null;\n  private lastValue: T = null;\n  private hasValue: boolean = false;\n\n  constructor(destination: Subscriber<T>,\n              private dueTime: number,\n              private scheduler: SchedulerLike) {\n    super(destination);\n  }\n\n  protected _next(value: T) {\n    this.clearDebounce();\n    this.lastValue = value;\n    this.hasValue = true;\n    this.add(this.debouncedSubscription = this.scheduler.schedule(dispatchNext, this.dueTime, this));\n  }\n\n  protected _complete() {\n    this.debouncedNext();\n    this.destination.complete();\n  }\n\n  debouncedNext(): void {\n    this.clearDebounce();\n\n    if (this.hasValue) {\n      const { lastValue } = this;\n      // This must be done *before* passing the value\n      // along to the destination because it's possible for\n      // the value to synchronously re-enter this operator\n      // recursively when scheduled with things like\n      // VirtualScheduler/TestScheduler.\n      this.lastValue = null;\n      this.hasValue = false;\n      this.destination.next(lastValue);\n    }\n  }\n\n  private clearDebounce(): void {\n    const debouncedSubscription = this.debouncedSubscription;\n\n    if (debouncedSubscription !== null) {\n      this.remove(debouncedSubscription);\n      debouncedSubscription.unsubscribe();\n      this.debouncedSubscription = null;\n    }\n  }\n}\n\nfunction dispatchNext(subscriber: DebounceTimeSubscriber<any>) {\n  subscriber.debouncedNext();\n}\n","import { Operator } from '../Operator';\nimport { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { OperatorFunction, MonoTypeOperatorFunction } from '../types';\n\n/* tslint:disable:max-line-length */\nexport function defaultIfEmpty<T>(defaultValue?: T): MonoTypeOperatorFunction<T>;\nexport function defaultIfEmpty<T, R>(defaultValue?: R): OperatorFunction<T, T | R>;\n/* tslint:enable:max-line-length */\n\n/**\n * Emits a given value if the source Observable completes without emitting any\n * `next` value, otherwise mirrors the source Observable.\n *\n * <span class=\"informal\">If the source Observable turns out to be empty, then\n * this operator will emit a default value.</span>\n *\n * ![](defaultIfEmpty.png)\n *\n * `defaultIfEmpty` emits the values emitted by the source Observable or a\n * specified default value if the source Observable is empty (completes without\n * having emitted any `next` value).\n *\n * ## Example\n * If no clicks happen in 5 seconds, then emit \"no clicks\"\n * ```ts\n * import { fromEvent } from 'rxjs';\n * import { defaultIfEmpty, takeUntil } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const clicksBeforeFive = clicks.pipe(takeUntil(interval(5000)));\n * const result = clicksBeforeFive.pipe(defaultIfEmpty('no clicks'));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link empty}\n * @see {@link last}\n *\n * @param {any} [defaultValue=null] The default value used if the source\n * Observable is empty.\n * @return {Observable} An Observable that emits either the specified\n * `defaultValue` if the source Observable emits no items, or the values emitted\n * by the source Observable.\n * @method defaultIfEmpty\n * @owner Observable\n */\nexport function defaultIfEmpty<T, R>(defaultValue: R = null): OperatorFunction<T, T | R> {\n  return (source: Observable<T>) => source.lift(new DefaultIfEmptyOperator(defaultValue)) as Observable<T | R>;\n}\n\nclass DefaultIfEmptyOperator<T, R> implements Operator<T, T | R> {\n\n  constructor(private defaultValue: R) {\n  }\n\n  call(subscriber: Subscriber<T | R>, source: any): any {\n    return source.subscribe(new DefaultIfEmptySubscriber(subscriber, this.defaultValue));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass DefaultIfEmptySubscriber<T, R> extends Subscriber<T> {\n  private isEmpty: boolean = true;\n\n  constructor(destination: Subscriber<T | R>, private defaultValue: R) {\n    super(destination);\n  }\n\n  protected _next(value: T): void {\n    this.isEmpty = false;\n    this.destination.next(value);\n  }\n\n  protected _complete(): void {\n    if (this.isEmpty) {\n      this.destination.next(this.defaultValue);\n    }\n    this.destination.complete();\n  }\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nvar coordinateSystemCreators = {};\n\nvar CoordinateSystemManager =\n/** @class */\nfunction () {\n  function CoordinateSystemManager() {\n    this._coordinateSystems = [];\n  }\n\n  CoordinateSystemManager.prototype.create = function (ecModel, api) {\n    var coordinateSystems = [];\n    zrUtil.each(coordinateSystemCreators, function (creater, type) {\n      var list = creater.create(ecModel, api);\n      coordinateSystems = coordinateSystems.concat(list || []);\n    });\n    this._coordinateSystems = coordinateSystems;\n  };\n\n  CoordinateSystemManager.prototype.update = function (ecModel, api) {\n    zrUtil.each(this._coordinateSystems, function (coordSys) {\n      coordSys.update && coordSys.update(ecModel, api);\n    });\n  };\n\n  CoordinateSystemManager.prototype.getCoordinateSystems = function () {\n    return this._coordinateSystems.slice();\n  };\n\n  CoordinateSystemManager.register = function (type, creator) {\n    coordinateSystemCreators[type] = creator;\n  };\n\n  CoordinateSystemManager.get = function (type) {\n    return coordinateSystemCreators[type];\n  };\n\n  return CoordinateSystemManager;\n}();\n\nexport default CoordinateSystemManager;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { BoundingRect, OrientedBoundingRect } from '../util/graphic';\nexport function prepareLayoutList(input) {\n  var list = [];\n\n  for (var i = 0; i < input.length; i++) {\n    var rawItem = input[i];\n\n    if (rawItem.defaultAttr.ignore) {\n      continue;\n    }\n\n    var label = rawItem.label;\n    var transform = label.getComputedTransform(); // NOTE: Get bounding rect after getComputedTransform, or label may not been updated by the host el.\n\n    var localRect = label.getBoundingRect();\n    var isAxisAligned = !transform || transform[1] < 1e-5 && transform[2] < 1e-5;\n    var minMargin = label.style.margin || 0;\n    var globalRect = localRect.clone();\n    globalRect.applyTransform(transform);\n    globalRect.x -= minMargin / 2;\n    globalRect.y -= minMargin / 2;\n    globalRect.width += minMargin;\n    globalRect.height += minMargin;\n    var obb = isAxisAligned ? new OrientedBoundingRect(localRect, transform) : null;\n    list.push({\n      label: label,\n      labelLine: rawItem.labelLine,\n      rect: globalRect,\n      localRect: localRect,\n      obb: obb,\n      priority: rawItem.priority,\n      defaultAttr: rawItem.defaultAttr,\n      layoutOption: rawItem.computedLayoutOption,\n      axisAligned: isAxisAligned,\n      transform: transform\n    });\n  }\n\n  return list;\n}\n\nfunction shiftLayout(list, xyDim, sizeDim, minBound, maxBound, balanceShift) {\n  var len = list.length;\n\n  if (len < 2) {\n    return;\n  }\n\n  list.sort(function (a, b) {\n    return a.rect[xyDim] - b.rect[xyDim];\n  });\n  var lastPos = 0;\n  var delta;\n  var adjusted = false;\n  var shifts = [];\n  var totalShifts = 0;\n\n  for (var i = 0; i < len; i++) {\n    var item = list[i];\n    var rect = item.rect;\n    delta = rect[xyDim] - lastPos;\n\n    if (delta < 0) {\n      // shiftForward(i, len, -delta);\n      rect[xyDim] -= delta;\n      item.label[xyDim] -= delta;\n      adjusted = true;\n    }\n\n    var shift = Math.max(-delta, 0);\n    shifts.push(shift);\n    totalShifts += shift;\n    lastPos = rect[xyDim] + rect[sizeDim];\n  }\n\n  if (totalShifts > 0 && balanceShift) {\n    // Shift back to make the distribution more equally.\n    shiftList(-totalShifts / len, 0, len);\n  } // TODO bleedMargin?\n\n\n  var first = list[0];\n  var last = list[len - 1];\n  var minGap;\n  var maxGap;\n  updateMinMaxGap(); // If ends exceed two bounds, squeeze at most 80%, then take the gap of two bounds.\n\n  minGap < 0 && squeezeGaps(-minGap, 0.8);\n  maxGap < 0 && squeezeGaps(maxGap, 0.8);\n  updateMinMaxGap();\n  takeBoundsGap(minGap, maxGap, 1);\n  takeBoundsGap(maxGap, minGap, -1); // Handle bailout when there is not enough space.\n\n  updateMinMaxGap();\n\n  if (minGap < 0) {\n    squeezeWhenBailout(-minGap);\n  }\n\n  if (maxGap < 0) {\n    squeezeWhenBailout(maxGap);\n  }\n\n  function updateMinMaxGap() {\n    minGap = first.rect[xyDim] - minBound;\n    maxGap = maxBound - last.rect[xyDim] - last.rect[sizeDim];\n  }\n\n  function takeBoundsGap(gapThisBound, gapOtherBound, moveDir) {\n    if (gapThisBound < 0) {\n      // Move from other gap if can.\n      var moveFromMaxGap = Math.min(gapOtherBound, -gapThisBound);\n\n      if (moveFromMaxGap > 0) {\n        shiftList(moveFromMaxGap * moveDir, 0, len);\n        var remained = moveFromMaxGap + gapThisBound;\n\n        if (remained < 0) {\n          squeezeGaps(-remained * moveDir, 1);\n        }\n      } else {\n        squeezeGaps(-gapThisBound * moveDir, 1);\n      }\n    }\n  }\n\n  function shiftList(delta, start, end) {\n    if (delta !== 0) {\n      adjusted = true;\n    }\n\n    for (var i = start; i < end; i++) {\n      var item = list[i];\n      var rect = item.rect;\n      rect[xyDim] += delta;\n      item.label[xyDim] += delta;\n    }\n  } // Squeeze gaps if the labels exceed margin.\n\n\n  function squeezeGaps(delta, maxSqeezePercent) {\n    var gaps = [];\n    var totalGaps = 0;\n\n    for (var i = 1; i < len; i++) {\n      var prevItemRect = list[i - 1].rect;\n      var gap = Math.max(list[i].rect[xyDim] - prevItemRect[xyDim] - prevItemRect[sizeDim], 0);\n      gaps.push(gap);\n      totalGaps += gap;\n    }\n\n    if (!totalGaps) {\n      return;\n    }\n\n    var squeezePercent = Math.min(Math.abs(delta) / totalGaps, maxSqeezePercent);\n\n    if (delta > 0) {\n      for (var i = 0; i < len - 1; i++) {\n        // Distribute the shift delta to all gaps.\n        var movement = gaps[i] * squeezePercent; // Forward\n\n        shiftList(movement, 0, i + 1);\n      }\n    } else {\n      // Backward\n      for (var i = len - 1; i > 0; i--) {\n        // Distribute the shift delta to all gaps.\n        var movement = gaps[i - 1] * squeezePercent;\n        shiftList(-movement, i, len);\n      }\n    }\n  }\n  /**\n   * Squeeze to allow overlap if there is no more space available.\n   * Let other overlapping strategy like hideOverlap do the job instead of keep exceeding the bounds.\n   */\n\n\n  function squeezeWhenBailout(delta) {\n    var dir = delta < 0 ? -1 : 1;\n    delta = Math.abs(delta);\n    var moveForEachLabel = Math.ceil(delta / (len - 1));\n\n    for (var i = 0; i < len - 1; i++) {\n      if (dir > 0) {\n        // Forward\n        shiftList(moveForEachLabel, 0, i + 1);\n      } else {\n        // Backward\n        shiftList(-moveForEachLabel, len - i - 1, len);\n      }\n\n      delta -= moveForEachLabel;\n\n      if (delta <= 0) {\n        return;\n      }\n    }\n  }\n\n  return adjusted;\n}\n/**\n * Adjust labels on x direction to avoid overlap.\n */\n\n\nexport function shiftLayoutOnX(list, leftBound, rightBound, // If average the shifts on all labels and add them to 0\n// TODO: Not sure if should enable it.\n// Pros: The angle of lines will distribute more equally\n// Cons: In some layout. It may not what user wanted. like in pie. the label of last sector is usually changed unexpectedly.\nbalanceShift) {\n  return shiftLayout(list, 'x', 'width', leftBound, rightBound, balanceShift);\n}\n/**\n * Adjust labels on y direction to avoid overlap.\n */\n\nexport function shiftLayoutOnY(list, topBound, bottomBound, // If average the shifts on all labels and add them to 0\nbalanceShift) {\n  return shiftLayout(list, 'y', 'height', topBound, bottomBound, balanceShift);\n}\nexport function hideOverlap(labelList) {\n  var displayedLabels = []; // TODO, render overflow visible first, put in the displayedLabels.\n\n  labelList.sort(function (a, b) {\n    return b.priority - a.priority;\n  });\n  var globalRect = new BoundingRect(0, 0, 0, 0);\n\n  function hideEl(el) {\n    if (!el.ignore) {\n      // Show on emphasis.\n      var emphasisState = el.ensureState('emphasis');\n\n      if (emphasisState.ignore == null) {\n        emphasisState.ignore = false;\n      }\n    }\n\n    el.ignore = true;\n  }\n\n  for (var i = 0; i < labelList.length; i++) {\n    var labelItem = labelList[i];\n    var isAxisAligned = labelItem.axisAligned;\n    var localRect = labelItem.localRect;\n    var transform = labelItem.transform;\n    var label = labelItem.label;\n    var labelLine = labelItem.labelLine;\n    globalRect.copy(labelItem.rect); // Add a threshold because layout may be aligned precisely.\n\n    globalRect.width -= 0.1;\n    globalRect.height -= 0.1;\n    globalRect.x += 0.05;\n    globalRect.y += 0.05;\n    var obb = labelItem.obb;\n    var overlapped = false;\n\n    for (var j = 0; j < displayedLabels.length; j++) {\n      var existsTextCfg = displayedLabels[j]; // Fast rejection.\n\n      if (!globalRect.intersect(existsTextCfg.rect)) {\n        continue;\n      }\n\n      if (isAxisAligned && existsTextCfg.axisAligned) {\n        // Is overlapped\n        overlapped = true;\n        break;\n      }\n\n      if (!existsTextCfg.obb) {\n        // If self is not axis aligned. But other is.\n        existsTextCfg.obb = new OrientedBoundingRect(existsTextCfg.localRect, existsTextCfg.transform);\n      }\n\n      if (!obb) {\n        // If self is axis aligned. But other is not.\n        obb = new OrientedBoundingRect(localRect, transform);\n      }\n\n      if (obb.intersect(existsTextCfg.obb)) {\n        overlapped = true;\n        break;\n      }\n    } // TODO Callback to determine if this overlap should be handled?\n\n\n    if (overlapped) {\n      hideEl(label);\n      labelLine && hideEl(labelLine);\n    } else {\n      label.attr('ignore', labelItem.defaultAttr.ignore);\n      labelLine && labelLine.attr('ignore', labelItem.defaultAttr.labelGuideIgnore);\n      displayedLabels.push(labelItem);\n    }\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar AxisModelCommonMixin =\n/** @class */\nfunction () {\n  function AxisModelCommonMixin() {}\n\n  AxisModelCommonMixin.prototype.getNeedCrossZero = function () {\n    var option = this.option;\n    return !option.scale;\n  };\n  /**\n   * Should be implemented by each axis model if necessary.\n   * @return coordinate system model\n   */\n\n\n  AxisModelCommonMixin.prototype.getCoordSysModel = function () {\n    return;\n  };\n\n  return AxisModelCommonMixin;\n}();\n\nexport { AxisModelCommonMixin };","import * as vec2 from './vector';\nimport BoundingRect from './BoundingRect';\nimport { devicePixelRatio as dpr } from '../config';\nimport { fromLine, fromCubic, fromQuadratic, fromArc } from './bbox';\nimport { cubicAt, cubicLength, cubicSubdivide, quadraticLength, quadraticSubdivide } from './curve';\nvar CMD = {\n    M: 1,\n    L: 2,\n    C: 3,\n    Q: 4,\n    A: 5,\n    Z: 6,\n    R: 7\n};\nvar tmpOutX = [];\nvar tmpOutY = [];\nvar min = [];\nvar max = [];\nvar min2 = [];\nvar max2 = [];\nvar mathMin = Math.min;\nvar mathMax = Math.max;\nvar mathCos = Math.cos;\nvar mathSin = Math.sin;\nvar mathSqrt = Math.sqrt;\nvar mathAbs = Math.abs;\nvar PI = Math.PI;\nvar PI2 = PI * 2;\nvar hasTypedArray = typeof Float32Array !== 'undefined';\nvar tmpAngles = [];\nfunction modPI2(radian) {\n    var n = Math.round(radian / PI * 1e8) / 1e8;\n    return (n % 2) * PI;\n}\nexport function normalizeArcAngles(angles, anticlockwise) {\n    var newStartAngle = modPI2(angles[0]);\n    if (newStartAngle < 0) {\n        newStartAngle += PI2;\n    }\n    var delta = newStartAngle - angles[0];\n    var newEndAngle = angles[1];\n    newEndAngle += delta;\n    if (!anticlockwise && newEndAngle - newStartAngle >= PI2) {\n        newEndAngle = newStartAngle + PI2;\n    }\n    else if (anticlockwise && newStartAngle - newEndAngle >= PI2) {\n        newEndAngle = newStartAngle - PI2;\n    }\n    else if (!anticlockwise && newStartAngle > newEndAngle) {\n        newEndAngle = newStartAngle +\n            (PI2 - modPI2(newStartAngle - newEndAngle));\n    }\n    else if (anticlockwise && newStartAngle < newEndAngle) {\n        newEndAngle = newStartAngle -\n            (PI2 - modPI2(newEndAngle - newStartAngle));\n    }\n    angles[0] = newStartAngle;\n    angles[1] = newEndAngle;\n}\nvar PathProxy = (function () {\n    function PathProxy(notSaveData) {\n        this.dpr = 1;\n        this._version = 0;\n        this._xi = 0;\n        this._yi = 0;\n        this._x0 = 0;\n        this._y0 = 0;\n        this._len = 0;\n        if (notSaveData) {\n            this._saveData = false;\n        }\n        if (this._saveData) {\n            this.data = [];\n        }\n    }\n    PathProxy.prototype.increaseVersion = function () {\n        this._version++;\n    };\n    PathProxy.prototype.getVersion = function () {\n        return this._version;\n    };\n    PathProxy.prototype.setScale = function (sx, sy, segmentIgnoreThreshold) {\n        segmentIgnoreThreshold = segmentIgnoreThreshold || 0;\n        if (segmentIgnoreThreshold > 0) {\n            this._ux = mathAbs(segmentIgnoreThreshold / dpr / sx) || 0;\n            this._uy = mathAbs(segmentIgnoreThreshold / dpr / sy) || 0;\n        }\n    };\n    PathProxy.prototype.setDPR = function (dpr) {\n        this.dpr = dpr;\n    };\n    PathProxy.prototype.setContext = function (ctx) {\n        this._ctx = ctx;\n    };\n    PathProxy.prototype.getContext = function () {\n        return this._ctx;\n    };\n    PathProxy.prototype.beginPath = function () {\n        this._ctx && this._ctx.beginPath();\n        this.reset();\n        return this;\n    };\n    PathProxy.prototype.reset = function () {\n        if (this._saveData) {\n            this._len = 0;\n        }\n        if (this._lineDash) {\n            this._lineDash = null;\n            this._dashOffset = 0;\n        }\n        if (this._pathSegLen) {\n            this._pathSegLen = null;\n            this._pathLen = 0;\n        }\n        this._version++;\n    };\n    PathProxy.prototype.moveTo = function (x, y) {\n        this.addData(CMD.M, x, y);\n        this._ctx && this._ctx.moveTo(x, y);\n        this._x0 = x;\n        this._y0 = y;\n        this._xi = x;\n        this._yi = y;\n        return this;\n    };\n    PathProxy.prototype.lineTo = function (x, y) {\n        var exceedUnit = mathAbs(x - this._xi) > this._ux\n            || mathAbs(y - this._yi) > this._uy\n            || this._len < 5;\n        this.addData(CMD.L, x, y);\n        if (this._ctx && exceedUnit) {\n            this._needsDash ? this._dashedLineTo(x, y)\n                : this._ctx.lineTo(x, y);\n        }\n        if (exceedUnit) {\n            this._xi = x;\n            this._yi = y;\n        }\n        return this;\n    };\n    PathProxy.prototype.bezierCurveTo = function (x1, y1, x2, y2, x3, y3) {\n        this.addData(CMD.C, x1, y1, x2, y2, x3, y3);\n        if (this._ctx) {\n            this._needsDash ? this._dashedBezierTo(x1, y1, x2, y2, x3, y3)\n                : this._ctx.bezierCurveTo(x1, y1, x2, y2, x3, y3);\n        }\n        this._xi = x3;\n        this._yi = y3;\n        return this;\n    };\n    PathProxy.prototype.quadraticCurveTo = function (x1, y1, x2, y2) {\n        this.addData(CMD.Q, x1, y1, x2, y2);\n        if (this._ctx) {\n            this._needsDash ? this._dashedQuadraticTo(x1, y1, x2, y2)\n                : this._ctx.quadraticCurveTo(x1, y1, x2, y2);\n        }\n        this._xi = x2;\n        this._yi = y2;\n        return this;\n    };\n    PathProxy.prototype.arc = function (cx, cy, r, startAngle, endAngle, anticlockwise) {\n        tmpAngles[0] = startAngle;\n        tmpAngles[1] = endAngle;\n        normalizeArcAngles(tmpAngles, anticlockwise);\n        startAngle = tmpAngles[0];\n        endAngle = tmpAngles[1];\n        var delta = endAngle - startAngle;\n        this.addData(CMD.A, cx, cy, r, r, startAngle, delta, 0, anticlockwise ? 0 : 1);\n        this._ctx && this._ctx.arc(cx, cy, r, startAngle, endAngle, anticlockwise);\n        this._xi = mathCos(endAngle) * r + cx;\n        this._yi = mathSin(endAngle) * r + cy;\n        return this;\n    };\n    PathProxy.prototype.arcTo = function (x1, y1, x2, y2, radius) {\n        if (this._ctx) {\n            this._ctx.arcTo(x1, y1, x2, y2, radius);\n        }\n        return this;\n    };\n    PathProxy.prototype.rect = function (x, y, w, h) {\n        this._ctx && this._ctx.rect(x, y, w, h);\n        this.addData(CMD.R, x, y, w, h);\n        return this;\n    };\n    PathProxy.prototype.closePath = function () {\n        this.addData(CMD.Z);\n        var ctx = this._ctx;\n        var x0 = this._x0;\n        var y0 = this._y0;\n        if (ctx) {\n            this._needsDash && this._dashedLineTo(x0, y0);\n            ctx.closePath();\n        }\n        this._xi = x0;\n        this._yi = y0;\n        return this;\n    };\n    PathProxy.prototype.fill = function (ctx) {\n        ctx && ctx.fill();\n        this.toStatic();\n    };\n    PathProxy.prototype.stroke = function (ctx) {\n        ctx && ctx.stroke();\n        this.toStatic();\n    };\n    PathProxy.prototype.setLineDash = function (lineDash) {\n        if (lineDash instanceof Array) {\n            this._lineDash = lineDash;\n            this._dashIdx = 0;\n            var lineDashSum = 0;\n            for (var i = 0; i < lineDash.length; i++) {\n                lineDashSum += lineDash[i];\n            }\n            this._dashSum = lineDashSum;\n            this._needsDash = true;\n        }\n        else {\n            this._lineDash = null;\n            this._needsDash = false;\n        }\n        return this;\n    };\n    PathProxy.prototype.setLineDashOffset = function (offset) {\n        this._dashOffset = offset;\n        return this;\n    };\n    PathProxy.prototype.len = function () {\n        return this._len;\n    };\n    PathProxy.prototype.setData = function (data) {\n        var len = data.length;\n        if (!(this.data && this.data.length === len) && hasTypedArray) {\n            this.data = new Float32Array(len);\n        }\n        for (var i = 0; i < len; i++) {\n            this.data[i] = data[i];\n        }\n        this._len = len;\n    };\n    PathProxy.prototype.appendPath = function (path) {\n        if (!(path instanceof Array)) {\n            path = [path];\n        }\n        var len = path.length;\n        var appendSize = 0;\n        var offset = this._len;\n        for (var i = 0; i < len; i++) {\n            appendSize += path[i].len();\n        }\n        if (hasTypedArray && (this.data instanceof Float32Array)) {\n            this.data = new Float32Array(offset + appendSize);\n        }\n        for (var i = 0; i < len; i++) {\n            var appendPathData = path[i].data;\n            for (var k = 0; k < appendPathData.length; k++) {\n                this.data[offset++] = appendPathData[k];\n            }\n        }\n        this._len = offset;\n    };\n    PathProxy.prototype.addData = function (cmd, a, b, c, d, e, f, g, h) {\n        if (!this._saveData) {\n            return;\n        }\n        var data = this.data;\n        if (this._len + arguments.length > data.length) {\n            this._expandData();\n            data = this.data;\n        }\n        for (var i = 0; i < arguments.length; i++) {\n            data[this._len++] = arguments[i];\n        }\n    };\n    PathProxy.prototype._expandData = function () {\n        if (!(this.data instanceof Array)) {\n            var newData = [];\n            for (var i = 0; i < this._len; i++) {\n                newData[i] = this.data[i];\n            }\n            this.data = newData;\n        }\n    };\n    PathProxy.prototype._dashedLineTo = function (x1, y1) {\n        var dashSum = this._dashSum;\n        var lineDash = this._lineDash;\n        var ctx = this._ctx;\n        var offset = this._dashOffset;\n        var x0 = this._xi;\n        var y0 = this._yi;\n        var dx = x1 - x0;\n        var dy = y1 - y0;\n        var dist = mathSqrt(dx * dx + dy * dy);\n        var x = x0;\n        var y = y0;\n        var nDash = lineDash.length;\n        var dash;\n        var idx;\n        dx /= dist;\n        dy /= dist;\n        if (offset < 0) {\n            offset = dashSum + offset;\n        }\n        offset %= dashSum;\n        x -= offset * dx;\n        y -= offset * dy;\n        while ((dx > 0 && x <= x1) || (dx < 0 && x >= x1)\n            || (dx === 0 && ((dy > 0 && y <= y1) || (dy < 0 && y >= y1)))) {\n            idx = this._dashIdx;\n            dash = lineDash[idx];\n            x += dx * dash;\n            y += dy * dash;\n            this._dashIdx = (idx + 1) % nDash;\n            if ((dx > 0 && x < x0) || (dx < 0 && x > x0) || (dy > 0 && y < y0) || (dy < 0 && y > y0)) {\n                continue;\n            }\n            ctx[idx % 2 ? 'moveTo' : 'lineTo'](dx >= 0 ? mathMin(x, x1) : mathMax(x, x1), dy >= 0 ? mathMin(y, y1) : mathMax(y, y1));\n        }\n        dx = x - x1;\n        dy = y - y1;\n        this._dashOffset = -mathSqrt(dx * dx + dy * dy);\n    };\n    PathProxy.prototype._dashedBezierTo = function (x1, y1, x2, y2, x3, y3) {\n        var ctx = this._ctx;\n        var dashSum = this._dashSum;\n        var offset = this._dashOffset;\n        var lineDash = this._lineDash;\n        var x0 = this._xi;\n        var y0 = this._yi;\n        var bezierLen = 0;\n        var idx = this._dashIdx;\n        var nDash = lineDash.length;\n        var t;\n        var dx;\n        var dy;\n        var x;\n        var y;\n        var tmpLen = 0;\n        if (offset < 0) {\n            offset = dashSum + offset;\n        }\n        offset %= dashSum;\n        for (t = 0; t < 1; t += 0.1) {\n            dx = cubicAt(x0, x1, x2, x3, t + 0.1)\n                - cubicAt(x0, x1, x2, x3, t);\n            dy = cubicAt(y0, y1, y2, y3, t + 0.1)\n                - cubicAt(y0, y1, y2, y3, t);\n            bezierLen += mathSqrt(dx * dx + dy * dy);\n        }\n        for (; idx < nDash; idx++) {\n            tmpLen += lineDash[idx];\n            if (tmpLen > offset) {\n                break;\n            }\n        }\n        t = (tmpLen - offset) / bezierLen;\n        while (t <= 1) {\n            x = cubicAt(x0, x1, x2, x3, t);\n            y = cubicAt(y0, y1, y2, y3, t);\n            idx % 2 ? ctx.moveTo(x, y)\n                : ctx.lineTo(x, y);\n            t += lineDash[idx] / bezierLen;\n            idx = (idx + 1) % nDash;\n        }\n        (idx % 2 !== 0) && ctx.lineTo(x3, y3);\n        dx = x3 - x;\n        dy = y3 - y;\n        this._dashOffset = -mathSqrt(dx * dx + dy * dy);\n    };\n    PathProxy.prototype._dashedQuadraticTo = function (x1, y1, x2, y2) {\n        var x3 = x2;\n        var y3 = y2;\n        x2 = (x2 + 2 * x1) / 3;\n        y2 = (y2 + 2 * y1) / 3;\n        x1 = (this._xi + 2 * x1) / 3;\n        y1 = (this._yi + 2 * y1) / 3;\n        this._dashedBezierTo(x1, y1, x2, y2, x3, y3);\n    };\n    PathProxy.prototype.toStatic = function () {\n        if (!this._saveData) {\n            return;\n        }\n        var data = this.data;\n        if (data instanceof Array) {\n            data.length = this._len;\n            if (hasTypedArray && this._len > 11) {\n                this.data = new Float32Array(data);\n            }\n        }\n    };\n    PathProxy.prototype.getBoundingRect = function () {\n        min[0] = min[1] = min2[0] = min2[1] = Number.MAX_VALUE;\n        max[0] = max[1] = max2[0] = max2[1] = -Number.MAX_VALUE;\n        var data = this.data;\n        var xi = 0;\n        var yi = 0;\n        var x0 = 0;\n        var y0 = 0;\n        var i;\n        for (i = 0; i < this._len;) {\n            var cmd = data[i++];\n            var isFirst = i === 1;\n            if (isFirst) {\n                xi = data[i];\n                yi = data[i + 1];\n                x0 = xi;\n                y0 = yi;\n            }\n            switch (cmd) {\n                case CMD.M:\n                    xi = x0 = data[i++];\n                    yi = y0 = data[i++];\n                    min2[0] = x0;\n                    min2[1] = y0;\n                    max2[0] = x0;\n                    max2[1] = y0;\n                    break;\n                case CMD.L:\n                    fromLine(xi, yi, data[i], data[i + 1], min2, max2);\n                    xi = data[i++];\n                    yi = data[i++];\n                    break;\n                case CMD.C:\n                    fromCubic(xi, yi, data[i++], data[i++], data[i++], data[i++], data[i], data[i + 1], min2, max2);\n                    xi = data[i++];\n                    yi = data[i++];\n                    break;\n                case CMD.Q:\n                    fromQuadratic(xi, yi, data[i++], data[i++], data[i], data[i + 1], min2, max2);\n                    xi = data[i++];\n                    yi = data[i++];\n                    break;\n                case CMD.A:\n                    var cx = data[i++];\n                    var cy = data[i++];\n                    var rx = data[i++];\n                    var ry = data[i++];\n                    var startAngle = data[i++];\n                    var endAngle = data[i++] + startAngle;\n                    i += 1;\n                    var anticlockwise = !data[i++];\n                    if (isFirst) {\n                        x0 = mathCos(startAngle) * rx + cx;\n                        y0 = mathSin(startAngle) * ry + cy;\n                    }\n                    fromArc(cx, cy, rx, ry, startAngle, endAngle, anticlockwise, min2, max2);\n                    xi = mathCos(endAngle) * rx + cx;\n                    yi = mathSin(endAngle) * ry + cy;\n                    break;\n                case CMD.R:\n                    x0 = xi = data[i++];\n                    y0 = yi = data[i++];\n                    var width = data[i++];\n                    var height = data[i++];\n                    fromLine(x0, y0, x0 + width, y0 + height, min2, max2);\n                    break;\n                case CMD.Z:\n                    xi = x0;\n                    yi = y0;\n                    break;\n            }\n            vec2.min(min, min, min2);\n            vec2.max(max, max, max2);\n        }\n        if (i === 0) {\n            min[0] = min[1] = max[0] = max[1] = 0;\n        }\n        return new BoundingRect(min[0], min[1], max[0] - min[0], max[1] - min[1]);\n    };\n    PathProxy.prototype._calculateLength = function () {\n        var data = this.data;\n        var len = this._len;\n        var ux = this._ux;\n        var uy = this._uy;\n        var xi = 0;\n        var yi = 0;\n        var x0 = 0;\n        var y0 = 0;\n        if (!this._pathSegLen) {\n            this._pathSegLen = [];\n        }\n        var pathSegLen = this._pathSegLen;\n        var pathTotalLen = 0;\n        var segCount = 0;\n        for (var i = 0; i < len;) {\n            var cmd = data[i++];\n            var isFirst = i === 1;\n            if (isFirst) {\n                xi = data[i];\n                yi = data[i + 1];\n                x0 = xi;\n                y0 = yi;\n            }\n            var l = -1;\n            switch (cmd) {\n                case CMD.M:\n                    xi = x0 = data[i++];\n                    yi = y0 = data[i++];\n                    break;\n                case CMD.L: {\n                    var x2 = data[i++];\n                    var y2 = data[i++];\n                    var dx = x2 - xi;\n                    var dy = y2 - yi;\n                    if (mathAbs(dx) > ux || mathAbs(dy) > uy || i === len - 1) {\n                        l = Math.sqrt(dx * dx + dy * dy);\n                        xi = x2;\n                        yi = y2;\n                    }\n                    break;\n                }\n                case CMD.C: {\n                    var x1 = data[i++];\n                    var y1 = data[i++];\n                    var x2 = data[i++];\n                    var y2 = data[i++];\n                    var x3 = data[i++];\n                    var y3 = data[i++];\n                    l = cubicLength(xi, yi, x1, y1, x2, y2, x3, y3, 10);\n                    xi = x3;\n                    yi = y3;\n                    break;\n                }\n                case CMD.Q: {\n                    var x1 = data[i++];\n                    var y1 = data[i++];\n                    var x2 = data[i++];\n                    var y2 = data[i++];\n                    l = quadraticLength(xi, yi, x1, y1, x2, y2, 10);\n                    xi = x2;\n                    yi = y2;\n                    break;\n                }\n                case CMD.A:\n                    var cx = data[i++];\n                    var cy = data[i++];\n                    var rx = data[i++];\n                    var ry = data[i++];\n                    var startAngle = data[i++];\n                    var delta = data[i++];\n                    var endAngle = delta + startAngle;\n                    i += 1;\n                    var anticlockwise = !data[i++];\n                    if (isFirst) {\n                        x0 = mathCos(startAngle) * rx + cx;\n                        y0 = mathSin(startAngle) * ry + cy;\n                    }\n                    l = mathMax(rx, ry) * mathMin(PI2, Math.abs(delta));\n                    xi = mathCos(endAngle) * rx + cx;\n                    yi = mathSin(endAngle) * ry + cy;\n                    break;\n                case CMD.R: {\n                    x0 = xi = data[i++];\n                    y0 = yi = data[i++];\n                    var width = data[i++];\n                    var height = data[i++];\n                    l = width * 2 + height * 2;\n                    break;\n                }\n                case CMD.Z: {\n                    var dx = x0 - xi;\n                    var dy = y0 - yi;\n                    l = Math.sqrt(dx * dx + dy * dy);\n                    xi = x0;\n                    yi = y0;\n                    break;\n                }\n            }\n            if (l >= 0) {\n                pathSegLen[segCount++] = l;\n                pathTotalLen += l;\n            }\n        }\n        this._pathLen = pathTotalLen;\n        return pathTotalLen;\n    };\n    PathProxy.prototype.rebuildPath = function (ctx, percent) {\n        var d = this.data;\n        var ux = this._ux;\n        var uy = this._uy;\n        var len = this._len;\n        var x0;\n        var y0;\n        var xi;\n        var yi;\n        var x;\n        var y;\n        var drawPart = percent < 1;\n        var pathSegLen;\n        var pathTotalLen;\n        var accumLength = 0;\n        var segCount = 0;\n        var displayedLength;\n        if (drawPart) {\n            if (!this._pathSegLen) {\n                this._calculateLength();\n            }\n            pathSegLen = this._pathSegLen;\n            pathTotalLen = this._pathLen;\n            displayedLength = percent * pathTotalLen;\n            if (!displayedLength) {\n                return;\n            }\n        }\n        lo: for (var i = 0; i < len;) {\n            var cmd = d[i++];\n            var isFirst = i === 1;\n            if (isFirst) {\n                xi = d[i];\n                yi = d[i + 1];\n                x0 = xi;\n                y0 = yi;\n            }\n            switch (cmd) {\n                case CMD.M:\n                    x0 = xi = d[i++];\n                    y0 = yi = d[i++];\n                    ctx.moveTo(xi, yi);\n                    break;\n                case CMD.L: {\n                    x = d[i++];\n                    y = d[i++];\n                    if (mathAbs(x - xi) > ux || mathAbs(y - yi) > uy || i === len - 1) {\n                        if (drawPart) {\n                            var l = pathSegLen[segCount++];\n                            if (accumLength + l > displayedLength) {\n                                var t = (displayedLength - accumLength) / l;\n                                ctx.lineTo(xi * (1 - t) + x * t, yi * (1 - t) + y * t);\n                                break lo;\n                            }\n                            accumLength += l;\n                        }\n                        ctx.lineTo(x, y);\n                        xi = x;\n                        yi = y;\n                    }\n                    break;\n                }\n                case CMD.C: {\n                    var x1 = d[i++];\n                    var y1 = d[i++];\n                    var x2 = d[i++];\n                    var y2 = d[i++];\n                    var x3 = d[i++];\n                    var y3 = d[i++];\n                    if (drawPart) {\n                        var l = pathSegLen[segCount++];\n                        if (accumLength + l > displayedLength) {\n                            var t = (displayedLength - accumLength) / l;\n                            cubicSubdivide(xi, x1, x2, x3, t, tmpOutX);\n                            cubicSubdivide(yi, y1, y2, y3, t, tmpOutY);\n                            ctx.bezierCurveTo(tmpOutX[1], tmpOutY[1], tmpOutX[2], tmpOutY[2], tmpOutX[3], tmpOutY[3]);\n                            break lo;\n                        }\n                        accumLength += l;\n                    }\n                    ctx.bezierCurveTo(x1, y1, x2, y2, x3, y3);\n                    xi = x3;\n                    yi = y3;\n                    break;\n                }\n                case CMD.Q: {\n                    var x1 = d[i++];\n                    var y1 = d[i++];\n                    var x2 = d[i++];\n                    var y2 = d[i++];\n                    if (drawPart) {\n                        var l = pathSegLen[segCount++];\n                        if (accumLength + l > displayedLength) {\n                            var t = (displayedLength - accumLength) / l;\n                            quadraticSubdivide(xi, x1, x2, t, tmpOutX);\n                            quadraticSubdivide(yi, y1, y2, t, tmpOutY);\n                            ctx.quadraticCurveTo(tmpOutX[1], tmpOutY[1], tmpOutX[2], tmpOutY[2]);\n                            break lo;\n                        }\n                        accumLength += l;\n                    }\n                    ctx.quadraticCurveTo(x1, y1, x2, y2);\n                    xi = x2;\n                    yi = y2;\n                    break;\n                }\n                case CMD.A:\n                    var cx = d[i++];\n                    var cy = d[i++];\n                    var rx = d[i++];\n                    var ry = d[i++];\n                    var startAngle = d[i++];\n                    var delta = d[i++];\n                    var psi = d[i++];\n                    var anticlockwise = !d[i++];\n                    var r = (rx > ry) ? rx : ry;\n                    var scaleX = (rx > ry) ? 1 : rx / ry;\n                    var scaleY = (rx > ry) ? ry / rx : 1;\n                    var isEllipse = mathAbs(rx - ry) > 1e-3;\n                    var endAngle = startAngle + delta;\n                    var breakBuild = false;\n                    if (drawPart) {\n                        var l = pathSegLen[segCount++];\n                        if (accumLength + l > displayedLength) {\n                            endAngle = startAngle + delta * (displayedLength - accumLength) / l;\n                            breakBuild = true;\n                        }\n                        accumLength += l;\n                    }\n                    if (isEllipse && ctx.ellipse) {\n                        ctx.ellipse(cx, cy, rx, ry, psi, startAngle, endAngle, anticlockwise);\n                    }\n                    else {\n                        ctx.arc(cx, cy, r, startAngle, endAngle, anticlockwise);\n                    }\n                    if (breakBuild) {\n                        break lo;\n                    }\n                    if (isFirst) {\n                        x0 = mathCos(startAngle) * rx + cx;\n                        y0 = mathSin(startAngle) * ry + cy;\n                    }\n                    xi = mathCos(endAngle) * rx + cx;\n                    yi = mathSin(endAngle) * ry + cy;\n                    break;\n                case CMD.R:\n                    x0 = xi = d[i];\n                    y0 = yi = d[i + 1];\n                    x = d[i++];\n                    y = d[i++];\n                    var width = d[i++];\n                    var height = d[i++];\n                    if (drawPart) {\n                        var l = pathSegLen[segCount++];\n                        if (accumLength + l > displayedLength) {\n                            var d_1 = displayedLength - accumLength;\n                            ctx.moveTo(x, y);\n                            ctx.lineTo(x + mathMin(d_1, width), y);\n                            d_1 -= width;\n                            if (d_1 > 0) {\n                                ctx.lineTo(x + width, y + mathMin(d_1, height));\n                            }\n                            d_1 -= height;\n                            if (d_1 > 0) {\n                                ctx.lineTo(x + mathMax(width - d_1, 0), y + height);\n                            }\n                            d_1 -= width;\n                            if (d_1 > 0) {\n                                ctx.lineTo(x, y + mathMax(height - d_1, 0));\n                            }\n                            break lo;\n                        }\n                        accumLength += l;\n                    }\n                    ctx.rect(x, y, width, height);\n                    break;\n                case CMD.Z:\n                    if (drawPart) {\n                        var l = pathSegLen[segCount++];\n                        if (accumLength + l > displayedLength) {\n                            var t = (displayedLength - accumLength) / l;\n                            ctx.lineTo(xi * (1 - t) + x0 * t, yi * (1 - t) + y0 * t);\n                            break lo;\n                        }\n                        accumLength += l;\n                    }\n                    ctx.closePath();\n                    xi = x0;\n                    yi = y0;\n            }\n        }\n    };\n    PathProxy.CMD = CMD;\n    PathProxy.initDefaultProps = (function () {\n        var proto = PathProxy.prototype;\n        proto._saveData = true;\n        proto._needsDash = false;\n        proto._dashOffset = 0;\n        proto._dashIdx = 0;\n        proto._dashSum = 0;\n        proto._ux = 0;\n        proto._uy = 0;\n    })();\n    return PathProxy;\n}());\nexport default PathProxy;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\n/*\n* A third-party license is embeded for some of the code in this file:\n* The \"scaleLevels\" was originally copied from \"d3.js\" with some\n* modifications made for this project.\n* (See more details in the comment on the definition of \"scaleLevels\" below.)\n* The use of the source code of this file is also subject to the terms\n* and consitions of the license of \"d3.js\" (BSD-3Clause, see\n* </licenses/LICENSE-d3>).\n*/\n// [About UTC and local time zone]:\n// In most cases, `number.parseDate` will treat input data string as local time\n// (except time zone is specified in time string). And `format.formateTime` returns\n// local time by default. option.useUTC is false by default. This design have\n// concidered these common case:\n// (1) Time that is persistent in server is in UTC, but it is needed to be diplayed\n// in local time by default.\n// (2) By default, the input data string (e.g., '2011-01-02') should be displayed\n// as its original time, without any time difference.\n\nimport * as numberUtil from '../util/number';\nimport { ONE_SECOND, ONE_MINUTE, ONE_HOUR, ONE_DAY, ONE_YEAR, format, leveledFormat, getUnitValue, timeUnits, fullLeveledFormatter, getPrimaryTimeUnit, isPrimaryTimeUnit, getDefaultFormatPrecisionOfInterval, fullYearGetterName, monthSetterName, fullYearSetterName, dateSetterName, hoursGetterName, hoursSetterName, minutesSetterName, secondsSetterName, millisecondsSetterName, monthGetterName, dateGetterName, minutesGetterName, secondsGetterName, millisecondsGetterName } from '../util/time';\nimport * as scaleHelper from './helper';\nimport IntervalScale from './Interval';\nimport Scale from './Scale';\nimport { warn } from '../util/log';\nimport { filter, map } from 'zrender/lib/core/util'; // FIXME 公用？\n\nvar bisect = function (a, x, lo, hi) {\n  while (lo < hi) {\n    var mid = lo + hi >>> 1;\n\n    if (a[mid][1] < x) {\n      lo = mid + 1;\n    } else {\n      hi = mid;\n    }\n  }\n\n  return lo;\n};\n\nvar TimeScale =\n/** @class */\nfunction (_super) {\n  __extends(TimeScale, _super);\n\n  function TimeScale(settings) {\n    var _this = _super.call(this, settings) || this;\n\n    _this.type = 'time';\n    return _this;\n  }\n  /**\n   * Get label is mainly for other components like dataZoom, tooltip.\n   */\n\n\n  TimeScale.prototype.getLabel = function (tick) {\n    var useUTC = this.getSetting('useUTC');\n    return format(tick.value, fullLeveledFormatter[getDefaultFormatPrecisionOfInterval(getPrimaryTimeUnit(this._minLevelUnit))] || fullLeveledFormatter.second, useUTC, this.getSetting('locale'));\n  };\n\n  TimeScale.prototype.getFormattedLabel = function (tick, idx, labelFormatter) {\n    var isUTC = this.getSetting('useUTC');\n    var lang = this.getSetting('locale');\n    return leveledFormat(tick, idx, labelFormatter, lang, isUTC);\n  };\n  /**\n   * @override\n   * @param expandToNicedExtent Whether expand the ticks to niced extent.\n   */\n\n\n  TimeScale.prototype.getTicks = function (expandToNicedExtent) {\n    var interval = this._interval;\n    var extent = this._extent;\n    var ticks = []; // If interval is 0, return [];\n\n    if (!interval) {\n      return ticks;\n    }\n\n    ticks.push({\n      value: extent[0],\n      level: 0\n    });\n    var useUTC = this.getSetting('useUTC');\n    var innerTicks = getIntervalTicks(this._minLevelUnit, this._approxInterval, useUTC, extent);\n    ticks = ticks.concat(innerTicks);\n    ticks.push({\n      value: extent[1],\n      level: 0\n    });\n    return ticks;\n  };\n\n  TimeScale.prototype.niceExtent = function (opt) {\n    var extent = this._extent; // If extent start and end are same, expand them\n\n    if (extent[0] === extent[1]) {\n      // Expand extent\n      extent[0] -= ONE_DAY;\n      extent[1] += ONE_DAY;\n    } // If there are no data and extent are [Infinity, -Infinity]\n\n\n    if (extent[1] === -Infinity && extent[0] === Infinity) {\n      var d = new Date();\n      extent[1] = +new Date(d.getFullYear(), d.getMonth(), d.getDate());\n      extent[0] = extent[1] - ONE_DAY;\n    }\n\n    this.niceTicks(opt.splitNumber, opt.minInterval, opt.maxInterval);\n  };\n\n  TimeScale.prototype.niceTicks = function (approxTickNum, minInterval, maxInterval) {\n    approxTickNum = approxTickNum || 10;\n    var extent = this._extent;\n    var span = extent[1] - extent[0];\n    this._approxInterval = span / approxTickNum;\n\n    if (minInterval != null && this._approxInterval < minInterval) {\n      this._approxInterval = minInterval;\n    }\n\n    if (maxInterval != null && this._approxInterval > maxInterval) {\n      this._approxInterval = maxInterval;\n    }\n\n    var scaleIntervalsLen = scaleIntervals.length;\n    var idx = Math.min(bisect(scaleIntervals, this._approxInterval, 0, scaleIntervalsLen), scaleIntervalsLen - 1); // Interval that can be used to calculate ticks\n\n    this._interval = scaleIntervals[idx][1]; // Min level used when picking ticks from top down.\n    // We check one more level to avoid the ticks are to sparse in some case.\n\n    this._minLevelUnit = scaleIntervals[Math.max(idx - 1, 0)][0];\n  };\n\n  TimeScale.prototype.parse = function (val) {\n    // val might be float.\n    return typeof val === 'number' ? val : +numberUtil.parseDate(val);\n  };\n\n  TimeScale.prototype.contain = function (val) {\n    return scaleHelper.contain(this.parse(val), this._extent);\n  };\n\n  TimeScale.prototype.normalize = function (val) {\n    return scaleHelper.normalize(this.parse(val), this._extent);\n  };\n\n  TimeScale.prototype.scale = function (val) {\n    return scaleHelper.scale(val, this._extent);\n  };\n\n  TimeScale.type = 'time';\n  return TimeScale;\n}(IntervalScale);\n/**\n * This implementation was originally copied from \"d3.js\"\n * <https://github.com/d3/d3/blob/b516d77fb8566b576088e73410437494717ada26/src/time/scale.js>\n * with some modifications made for this program.\n * See the license statement at the head of this file.\n */\n\n\nvar scaleIntervals = [// Format                           interval\n['second', ONE_SECOND], ['minute', ONE_MINUTE], ['hour', ONE_HOUR], ['quarter-day', ONE_HOUR * 6], ['half-day', ONE_HOUR * 12], ['day', ONE_DAY * 1.2], ['half-week', ONE_DAY * 3.5], ['week', ONE_DAY * 7], ['month', ONE_DAY * 31], ['quarter', ONE_DAY * 95], ['half-year', ONE_YEAR / 2], ['year', ONE_YEAR] // 1Y\n];\n\nfunction isUnitValueSame(unit, valueA, valueB, isUTC) {\n  var dateA = numberUtil.parseDate(valueA);\n  var dateB = numberUtil.parseDate(valueB);\n\n  var isSame = function (unit) {\n    return getUnitValue(dateA, unit, isUTC) === getUnitValue(dateB, unit, isUTC);\n  };\n\n  var isSameYear = function () {\n    return isSame('year');\n  }; // const isSameHalfYear = () => isSameYear() && isSame('half-year');\n  // const isSameQuater = () => isSameYear() && isSame('quarter');\n\n\n  var isSameMonth = function () {\n    return isSameYear() && isSame('month');\n  };\n\n  var isSameDay = function () {\n    return isSameMonth() && isSame('day');\n  }; // const isSameHalfDay = () => isSameDay() && isSame('half-day');\n\n\n  var isSameHour = function () {\n    return isSameDay() && isSame('hour');\n  };\n\n  var isSameMinute = function () {\n    return isSameHour() && isSame('minute');\n  };\n\n  var isSameSecond = function () {\n    return isSameMinute() && isSame('second');\n  };\n\n  var isSameMilliSecond = function () {\n    return isSameSecond() && isSame('millisecond');\n  };\n\n  switch (unit) {\n    case 'year':\n      return isSameYear();\n\n    case 'month':\n      return isSameMonth();\n\n    case 'day':\n      return isSameDay();\n\n    case 'hour':\n      return isSameHour();\n\n    case 'minute':\n      return isSameMinute();\n\n    case 'second':\n      return isSameSecond();\n\n    case 'millisecond':\n      return isSameMilliSecond();\n  }\n} // const primaryUnitGetters = {\n//     year: fullYearGetterName(),\n//     month: monthGetterName(),\n//     day: dateGetterName(),\n//     hour: hoursGetterName(),\n//     minute: minutesGetterName(),\n//     second: secondsGetterName(),\n//     millisecond: millisecondsGetterName()\n// };\n// const primaryUnitUTCGetters = {\n//     year: fullYearGetterName(true),\n//     month: monthGetterName(true),\n//     day: dateGetterName(true),\n//     hour: hoursGetterName(true),\n//     minute: minutesGetterName(true),\n//     second: secondsGetterName(true),\n//     millisecond: millisecondsGetterName(true)\n// };\n// function moveTick(date: Date, unitName: TimeUnit, step: number, isUTC: boolean) {\n//     step = step || 1;\n//     switch (getPrimaryTimeUnit(unitName)) {\n//         case 'year':\n//             date[fullYearSetterName(isUTC)](date[fullYearGetterName(isUTC)]() + step);\n//             break;\n//         case 'month':\n//             date[monthSetterName(isUTC)](date[monthGetterName(isUTC)]() + step);\n//             break;\n//         case 'day':\n//             date[dateSetterName(isUTC)](date[dateGetterName(isUTC)]() + step);\n//             break;\n//         case 'hour':\n//             date[hoursSetterName(isUTC)](date[hoursGetterName(isUTC)]() + step);\n//             break;\n//         case 'minute':\n//             date[minutesSetterName(isUTC)](date[minutesGetterName(isUTC)]() + step);\n//             break;\n//         case 'second':\n//             date[secondsSetterName(isUTC)](date[secondsGetterName(isUTC)]() + step);\n//             break;\n//         case 'millisecond':\n//             date[millisecondsSetterName(isUTC)](date[millisecondsGetterName(isUTC)]() + step);\n//             break;\n//     }\n//     return date.getTime();\n// }\n// const DATE_INTERVALS = [[8, 7.5], [4, 3.5], [2, 1.5]];\n// const MONTH_INTERVALS = [[6, 5.5], [3, 2.5], [2, 1.5]];\n// const MINUTES_SECONDS_INTERVALS = [[30, 30], [20, 20], [15, 15], [10, 10], [5, 5], [2, 2]];\n\n\nfunction getDateInterval(approxInterval, daysInMonth) {\n  approxInterval /= ONE_DAY;\n  return approxInterval > 16 ? 16 // Math.floor(daysInMonth / 2) + 1  // In this case we only want one tick betwen two month.\n  : approxInterval > 7.5 ? 7 // TODO week 7 or day 8?\n  : approxInterval > 3.5 ? 4 : approxInterval > 1.5 ? 2 : 1;\n}\n\nfunction getMonthInterval(approxInterval) {\n  var APPROX_ONE_MONTH = 30 * ONE_DAY;\n  approxInterval /= APPROX_ONE_MONTH;\n  return approxInterval > 6 ? 6 : approxInterval > 3 ? 3 : approxInterval > 2 ? 2 : 1;\n}\n\nfunction getHourInterval(approxInterval) {\n  approxInterval /= ONE_HOUR;\n  return approxInterval > 12 ? 12 : approxInterval > 6 ? 6 : approxInterval > 3.5 ? 4 : approxInterval > 2 ? 2 : 1;\n}\n\nfunction getMinutesAndSecondsInterval(approxInterval, isMinutes) {\n  approxInterval /= isMinutes ? ONE_MINUTE : ONE_SECOND;\n  return approxInterval > 30 ? 30 : approxInterval > 20 ? 20 : approxInterval > 15 ? 15 : approxInterval > 10 ? 10 : approxInterval > 5 ? 5 : approxInterval > 2 ? 2 : 1;\n}\n\nfunction getMillisecondsInterval(approxInterval) {\n  return numberUtil.nice(approxInterval, true);\n}\n\nfunction getFirstTimestampOfUnit(date, unitName, isUTC) {\n  var outDate = new Date(date);\n\n  switch (getPrimaryTimeUnit(unitName)) {\n    case 'year':\n    case 'month':\n      outDate[monthSetterName(isUTC)](0);\n\n    case 'day':\n      outDate[dateSetterName(isUTC)](1);\n\n    case 'hour':\n      outDate[hoursSetterName(isUTC)](0);\n\n    case 'minute':\n      outDate[minutesSetterName(isUTC)](0);\n\n    case 'second':\n      outDate[secondsSetterName(isUTC)](0);\n      outDate[millisecondsSetterName(isUTC)](0);\n  }\n\n  return outDate.getTime();\n}\n\nfunction getIntervalTicks(bottomUnitName, approxInterval, isUTC, extent) {\n  var safeLimit = 10000;\n  var unitNames = timeUnits;\n  var iter = 0;\n\n  function addTicksInSpan(interval, minTimestamp, maxTimestamp, getMethodName, setMethodName, isDate, out) {\n    var date = new Date(minTimestamp);\n    var dateTime = minTimestamp;\n    var d = date[getMethodName](); // if (isDate) {\n    //     d -= 1; // Starts with 0;   PENDING\n    // }\n\n    while (dateTime < maxTimestamp && dateTime <= extent[1]) {\n      out.push({\n        value: dateTime\n      });\n      d += interval;\n      date[setMethodName](d);\n      dateTime = date.getTime();\n    } // This extra tick is for calcuating ticks of next level. Will not been added to the final result\n\n\n    out.push({\n      value: dateTime,\n      notAdd: true\n    });\n  }\n\n  function addLevelTicks(unitName, lastLevelTicks, levelTicks) {\n    var newAddedTicks = [];\n    var isFirstLevel = !lastLevelTicks.length;\n\n    if (isUnitValueSame(getPrimaryTimeUnit(unitName), extent[0], extent[1], isUTC)) {\n      return;\n    }\n\n    if (isFirstLevel) {\n      lastLevelTicks = [{\n        // TODO Optimize. Not include so may ticks.\n        value: getFirstTimestampOfUnit(new Date(extent[0]), unitName, isUTC)\n      }, {\n        value: extent[1]\n      }];\n    }\n\n    for (var i = 0; i < lastLevelTicks.length - 1; i++) {\n      var startTick = lastLevelTicks[i].value;\n      var endTick = lastLevelTicks[i + 1].value;\n\n      if (startTick === endTick) {\n        continue;\n      }\n\n      var interval = void 0;\n      var getterName = void 0;\n      var setterName = void 0;\n      var isDate = false;\n\n      switch (unitName) {\n        case 'year':\n          interval = Math.max(1, Math.round(approxInterval / ONE_DAY / 365));\n          getterName = fullYearGetterName(isUTC);\n          setterName = fullYearSetterName(isUTC);\n          break;\n\n        case 'half-year':\n        case 'quarter':\n        case 'month':\n          interval = getMonthInterval(approxInterval);\n          getterName = monthGetterName(isUTC);\n          setterName = monthSetterName(isUTC);\n          break;\n\n        case 'week': // PENDING If week is added. Ignore day.\n\n        case 'half-week':\n        case 'day':\n          interval = getDateInterval(approxInterval, 31); // Use 32 days and let interval been 16\n\n          getterName = dateGetterName(isUTC);\n          setterName = dateSetterName(isUTC);\n          isDate = true;\n          break;\n\n        case 'half-day':\n        case 'quarter-day':\n        case 'hour':\n          interval = getHourInterval(approxInterval);\n          getterName = hoursGetterName(isUTC);\n          setterName = hoursSetterName(isUTC);\n          break;\n\n        case 'minute':\n          interval = getMinutesAndSecondsInterval(approxInterval, true);\n          getterName = minutesGetterName(isUTC);\n          setterName = minutesSetterName(isUTC);\n          break;\n\n        case 'second':\n          interval = getMinutesAndSecondsInterval(approxInterval, false);\n          getterName = secondsGetterName(isUTC);\n          setterName = secondsSetterName(isUTC);\n          break;\n\n        case 'millisecond':\n          interval = getMillisecondsInterval(approxInterval);\n          getterName = millisecondsGetterName(isUTC);\n          setterName = millisecondsSetterName(isUTC);\n          break;\n      }\n\n      addTicksInSpan(interval, startTick, endTick, getterName, setterName, isDate, newAddedTicks);\n\n      if (unitName === 'year' && levelTicks.length > 1 && i === 0) {\n        // Add nearest years to the left extent.\n        levelTicks.unshift({\n          value: levelTicks[0].value - interval\n        });\n      }\n    }\n\n    for (var i = 0; i < newAddedTicks.length; i++) {\n      levelTicks.push(newAddedTicks[i]);\n    } // newAddedTicks.length && console.log(unitName, newAddedTicks);\n\n\n    return newAddedTicks;\n  }\n\n  var levelsTicks = [];\n  var currentLevelTicks = [];\n  var tickCount = 0;\n  var lastLevelTickCount = 0;\n\n  for (var i = 0; i < unitNames.length && iter++ < safeLimit; ++i) {\n    var primaryTimeUnit = getPrimaryTimeUnit(unitNames[i]);\n\n    if (!isPrimaryTimeUnit(unitNames[i])) {\n      // TODO\n      continue;\n    }\n\n    addLevelTicks(unitNames[i], levelsTicks[levelsTicks.length - 1] || [], currentLevelTicks);\n    var nextPrimaryTimeUnit = unitNames[i + 1] ? getPrimaryTimeUnit(unitNames[i + 1]) : null;\n\n    if (primaryTimeUnit !== nextPrimaryTimeUnit) {\n      if (currentLevelTicks.length) {\n        lastLevelTickCount = tickCount; // Remove the duplicate so the tick count can be precisely.\n\n        currentLevelTicks.sort(function (a, b) {\n          return a.value - b.value;\n        });\n        var levelTicksRemoveDuplicated = [];\n\n        for (var i_1 = 0; i_1 < currentLevelTicks.length; ++i_1) {\n          var tickValue = currentLevelTicks[i_1].value;\n\n          if (i_1 === 0 || currentLevelTicks[i_1 - 1].value !== tickValue) {\n            levelTicksRemoveDuplicated.push(currentLevelTicks[i_1]);\n\n            if (tickValue >= extent[0] && tickValue <= extent[1]) {\n              tickCount++;\n            }\n          }\n        }\n\n        var targetTickNum = (extent[1] - extent[0]) / approxInterval; // Added too much in this level and not too less in last level\n\n        if (tickCount > targetTickNum * 1.5 && lastLevelTickCount > targetTickNum / 1.5) {\n          break;\n        } // Only treat primary time unit as one level.\n\n\n        levelsTicks.push(levelTicksRemoveDuplicated);\n\n        if (tickCount > targetTickNum || bottomUnitName === unitNames[i]) {\n          break;\n        }\n      } // Reset if next unitName is primary\n\n\n      currentLevelTicks = [];\n    }\n  }\n\n  if (process.env.NODE_ENV !== 'production') {\n    if (iter >= safeLimit) {\n      warn('Exceed safe limit.');\n    }\n  }\n\n  var levelsTicksInExtent = filter(map(levelsTicks, function (levelTicks) {\n    return filter(levelTicks, function (tick) {\n      return tick.value >= extent[0] && tick.value <= extent[1] && !tick.notAdd;\n    });\n  }), function (levelTicks) {\n    return levelTicks.length > 0;\n  });\n  var ticks = [];\n  var maxLevel = levelsTicksInExtent.length - 1;\n\n  for (var i = 0; i < levelsTicksInExtent.length; ++i) {\n    var levelTicks = levelsTicksInExtent[i];\n\n    for (var k = 0; k < levelTicks.length; ++k) {\n      ticks.push({\n        value: levelTicks[k].value,\n        level: maxLevel - i\n      });\n    }\n  }\n\n  ticks.sort(function (a, b) {\n    return a.value - b.value;\n  }); // Remove duplicates\n\n  var result = [];\n\n  for (var i = 0; i < ticks.length; ++i) {\n    if (i === 0 || ticks[i].value !== ticks[i - 1].value) {\n      result.push(ticks[i]);\n    }\n  }\n\n  return result;\n}\n\nScale.registerClass(TimeScale);\nexport default TimeScale;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { getTooltipMarker, encodeHTML, makeValueReadable, convertToColorString } from '../../util/format';\nimport { isString, each, hasOwn, isArray, map, assert, extend } from 'zrender/lib/core/util';\nimport { SortOrderComparator } from '../../data/helper/dataValueHelper';\nimport { getRandomIdBase } from '../../util/number';\nvar TOOLTIP_LINE_HEIGHT_CSS = 'line-height:1'; // TODO: more textStyle option\n\nfunction getTooltipTextStyle(textStyle, renderMode) {\n  var nameFontColor = textStyle.color || '#6e7079';\n  var nameFontSize = textStyle.fontSize || 12;\n  var nameFontWeight = textStyle.fontWeight || '400';\n  var valueFontColor = textStyle.color || '#464646';\n  var valueFontSize = textStyle.fontSize || 14;\n  var valueFontWeight = textStyle.fontWeight || '900';\n\n  if (renderMode === 'html') {\n    // `textStyle` is probably from user input, should be encoded to reduce security risk.\n    return {\n      // eslint-disable-next-line max-len\n      nameStyle: \"font-size:\" + encodeHTML(nameFontSize + '') + \"px;color:\" + encodeHTML(nameFontColor) + \";font-weight:\" + encodeHTML(nameFontWeight + ''),\n      // eslint-disable-next-line max-len\n      valueStyle: \"font-size:\" + encodeHTML(valueFontSize + '') + \"px;color:\" + encodeHTML(valueFontColor) + \";font-weight:\" + encodeHTML(valueFontWeight + '')\n    };\n  } else {\n    return {\n      nameStyle: {\n        fontSize: nameFontSize,\n        fill: nameFontColor,\n        fontWeight: nameFontWeight\n      },\n      valueStyle: {\n        fontSize: valueFontSize,\n        fill: valueFontColor,\n        fontWeight: valueFontWeight\n      }\n    };\n  }\n} // See `TooltipMarkupLayoutIntent['innerGapLevel']`.\n// (value from UI design)\n\n\nvar HTML_GAPS = [0, 10, 20, 30];\nvar RICH_TEXT_GAPS = ['', '\\n', '\\n\\n', '\\n\\n\\n']; // eslint-disable-next-line max-len\n\nexport function createTooltipMarkup(type, option) {\n  option.type = type;\n  return option;\n}\n\nfunction getBuilder(fragment) {\n  return hasOwn(builderMap, fragment.type) && builderMap[fragment.type];\n}\n\nvar builderMap = {\n  /**\n   * A `section` block is like:\n   * ```\n   * header\n   * subBlock\n   * subBlock\n   * ...\n   * ```\n   */\n  section: {\n    planLayout: function (fragment) {\n      var subBlockLen = fragment.blocks.length;\n      var thisBlockHasInnerGap = subBlockLen > 1 || subBlockLen > 0 && !fragment.noHeader;\n      var thisGapLevelBetweenSubBlocks = 0;\n      each(fragment.blocks, function (subBlock) {\n        getBuilder(subBlock).planLayout(subBlock);\n        var subGapLevel = subBlock.__gapLevelBetweenSubBlocks; // If the some of the sub-blocks have some gaps (like 10px) inside, this block\n        // should use a larger gap (like 20px) to distinguish those sub-blocks.\n\n        if (subGapLevel >= thisGapLevelBetweenSubBlocks) {\n          thisGapLevelBetweenSubBlocks = subGapLevel + (thisBlockHasInnerGap && ( // 0 always can not be readable gap level.\n          !subGapLevel // If no header, always keep the sub gap level. Otherwise\n          // look weird in case `multipleSeries`.\n          || subBlock.type === 'section' && !subBlock.noHeader) ? 1 : 0);\n        }\n      });\n      fragment.__gapLevelBetweenSubBlocks = thisGapLevelBetweenSubBlocks;\n    },\n    build: function (ctx, fragment, topMarginForOuterGap, toolTipTextStyle) {\n      var noHeader = fragment.noHeader;\n      var gaps = getGap(fragment);\n      var subMarkupText = buildSubBlocks(ctx, fragment, noHeader ? topMarginForOuterGap : gaps.html, toolTipTextStyle);\n\n      if (noHeader) {\n        return subMarkupText;\n      }\n\n      var displayableHeader = makeValueReadable(fragment.header, 'ordinal', ctx.useUTC);\n      var nameStyle = getTooltipTextStyle(toolTipTextStyle, ctx.renderMode).nameStyle;\n\n      if (ctx.renderMode === 'richText') {\n        return wrapInlineNameRichText(ctx, displayableHeader, nameStyle) + gaps.richText + subMarkupText;\n      } else {\n        return wrapBlockHTML(\"<div style=\\\"\" + nameStyle + \";\" + TOOLTIP_LINE_HEIGHT_CSS + \";\\\">\" + encodeHTML(displayableHeader) + '</div>' + subMarkupText, topMarginForOuterGap);\n      }\n    }\n  },\n\n  /**\n   * A `nameValue` block is like:\n   * ```\n   * marker  name  value\n   * ```\n   */\n  nameValue: {\n    planLayout: function (fragment) {\n      fragment.__gapLevelBetweenSubBlocks = 0;\n    },\n    build: function (ctx, fragment, topMarginForOuterGap, toolTipTextStyle) {\n      var renderMode = ctx.renderMode;\n      var noName = fragment.noName;\n      var noValue = fragment.noValue;\n      var noMarker = !fragment.markerType;\n      var name = fragment.name;\n      var value = fragment.value;\n      var useUTC = ctx.useUTC;\n\n      if (noName && noValue) {\n        return;\n      }\n\n      var markerStr = noMarker ? '' : ctx.markupStyleCreator.makeTooltipMarker(fragment.markerType, fragment.markerColor || '#333', renderMode);\n      var readableName = noName ? '' : makeValueReadable(name, 'ordinal', useUTC);\n      var valueTypeOption = fragment.valueType;\n      var readableValueList = noValue ? [] : isArray(value) ? map(value, function (val, idx) {\n        return makeValueReadable(val, isArray(valueTypeOption) ? valueTypeOption[idx] : valueTypeOption, useUTC);\n      }) : [makeValueReadable(value, isArray(valueTypeOption) ? valueTypeOption[0] : valueTypeOption, useUTC)];\n      var valueAlignRight = !noMarker || !noName; // It little weird if only value next to marker but far from marker.\n\n      var valueCloseToMarker = !noMarker && noName;\n\n      var _a = getTooltipTextStyle(toolTipTextStyle, renderMode),\n          nameStyle = _a.nameStyle,\n          valueStyle = _a.valueStyle;\n\n      return renderMode === 'richText' ? (noMarker ? '' : markerStr) + (noName ? '' : wrapInlineNameRichText(ctx, readableName, nameStyle)) // Value has commas inside, so use ' ' as delimiter for multiple values.\n      + (noValue ? '' : wrapInlineValueRichText(ctx, readableValueList, valueAlignRight, valueCloseToMarker, valueStyle)) : wrapBlockHTML((noMarker ? '' : markerStr) + (noName ? '' : wrapInlineNameHTML(readableName, !noMarker, nameStyle)) + (noValue ? '' : wrapInlineValueHTML(readableValueList, valueAlignRight, valueCloseToMarker, valueStyle)), topMarginForOuterGap);\n    }\n  }\n};\n\nfunction buildSubBlocks(ctx, fragment, topMarginForOuterGap, tooltipTextStyle) {\n  var subMarkupTextList = [];\n  var subBlocks = fragment.blocks || [];\n  assert(!subBlocks || isArray(subBlocks));\n  subBlocks = subBlocks || [];\n  var orderMode = ctx.orderMode;\n\n  if (fragment.sortBlocks && orderMode) {\n    subBlocks = subBlocks.slice();\n    var orderMap = {\n      valueAsc: 'asc',\n      valueDesc: 'desc'\n    };\n\n    if (hasOwn(orderMap, orderMode)) {\n      var comparator_1 = new SortOrderComparator(orderMap[orderMode], null);\n      subBlocks.sort(function (a, b) {\n        return comparator_1.evaluate(a.sortParam, b.sortParam);\n      });\n    } // FIXME 'seriesDesc' necessary?\n    else if (orderMode === 'seriesDesc') {\n        subBlocks.reverse();\n      }\n  }\n\n  var gaps = getGap(fragment);\n  each(subBlocks, function (subBlock, idx) {\n    var subMarkupText = getBuilder(subBlock).build(ctx, subBlock, idx > 0 ? gaps.html : 0, tooltipTextStyle);\n    subMarkupText != null && subMarkupTextList.push(subMarkupText);\n  });\n\n  if (!subMarkupTextList.length) {\n    return;\n  }\n\n  return ctx.renderMode === 'richText' ? subMarkupTextList.join(gaps.richText) : wrapBlockHTML(subMarkupTextList.join(''), topMarginForOuterGap);\n}\n/**\n * @return markupText. null/undefined means no content.\n */\n\n\nexport function buildTooltipMarkup(fragment, markupStyleCreator, renderMode, orderMode, useUTC, toolTipTextStyle) {\n  if (!fragment) {\n    return;\n  }\n\n  var builder = getBuilder(fragment);\n  builder.planLayout(fragment);\n  var ctx = {\n    useUTC: useUTC,\n    renderMode: renderMode,\n    orderMode: orderMode,\n    markupStyleCreator: markupStyleCreator\n  };\n  return builder.build(ctx, fragment, 0, toolTipTextStyle);\n}\n\nfunction getGap(fragment) {\n  var gapLevelBetweenSubBlocks = fragment.__gapLevelBetweenSubBlocks;\n  return {\n    html: HTML_GAPS[gapLevelBetweenSubBlocks],\n    richText: RICH_TEXT_GAPS[gapLevelBetweenSubBlocks]\n  };\n}\n\nfunction wrapBlockHTML(encodedContent, topGap) {\n  var clearfix = '<div style=\"clear:both\"></div>';\n  var marginCSS = \"margin: \" + topGap + \"px 0 0\";\n  return \"<div style=\\\"\" + marginCSS + \";\" + TOOLTIP_LINE_HEIGHT_CSS + \";\\\">\" + encodedContent + clearfix + '</div>';\n}\n\nfunction wrapInlineNameHTML(name, leftHasMarker, style) {\n  var marginCss = leftHasMarker ? 'margin-left:2px' : '';\n  return \"<span style=\\\"\" + style + \";\" + marginCss + \"\\\">\" + encodeHTML(name) + '</span>';\n}\n\nfunction wrapInlineValueHTML(valueList, alignRight, valueCloseToMarker, style) {\n  // Do not too close to marker, considering there are multiple values separated by spaces.\n  var paddingStr = valueCloseToMarker ? '10px' : '20px';\n  var alignCSS = alignRight ? \"float:right;margin-left:\" + paddingStr : '';\n  return \"<span style=\\\"\" + alignCSS + \";\" + style + \"\\\">\" // Value has commas inside, so use '  ' as delimiter for multiple values.\n  + map(valueList, function (value) {\n    return encodeHTML(value);\n  }).join('&nbsp;&nbsp;') + '</span>';\n}\n\nfunction wrapInlineNameRichText(ctx, name, style) {\n  return ctx.markupStyleCreator.wrapRichTextStyle(name, style);\n}\n\nfunction wrapInlineValueRichText(ctx, valueList, alignRight, valueCloseToMarker, style) {\n  var styles = [style];\n  var paddingLeft = valueCloseToMarker ? 10 : 20;\n  alignRight && styles.push({\n    padding: [0, 0, 0, paddingLeft],\n    align: 'right'\n  }); // Value has commas inside, so use '  ' as delimiter for multiple values.\n\n  return ctx.markupStyleCreator.wrapRichTextStyle(valueList.join('  '), styles);\n}\n\nexport function retrieveVisualColorForTooltipMarker(series, dataIndex) {\n  var style = series.getData().getItemVisual(dataIndex, 'style');\n  var color = style[series.visualDrawType];\n  return convertToColorString(color);\n}\nexport function getPaddingFromTooltipModel(model, renderMode) {\n  var padding = model.get('padding');\n  return padding != null ? padding // We give slightly different to look pretty.\n  : renderMode === 'richText' ? [8, 10] : 10;\n}\n/**\n * The major feature is generate styles for `renderMode: 'richText'`.\n * But it also serves `renderMode: 'html'` to provide\n * \"renderMode-independent\" API.\n */\n\nvar TooltipMarkupStyleCreator =\n/** @class */\nfunction () {\n  function TooltipMarkupStyleCreator() {\n    this.richTextStyles = {}; // Notice that \"generate a style name\" usuall happens repeatly when mouse moving and\n    // displaying a tooltip. So we put the `_nextStyleNameId` as a member of each creator\n    // rather than static shared by all creators (which will cause it increase to fast).\n\n    this._nextStyleNameId = getRandomIdBase();\n  }\n\n  TooltipMarkupStyleCreator.prototype._generateStyleName = function () {\n    return '__EC_aUTo_' + this._nextStyleNameId++;\n  };\n\n  TooltipMarkupStyleCreator.prototype.makeTooltipMarker = function (markerType, colorStr, renderMode) {\n    var markerId = renderMode === 'richText' ? this._generateStyleName() : null;\n    var marker = getTooltipMarker({\n      color: colorStr,\n      type: markerType,\n      renderMode: renderMode,\n      markerId: markerId\n    });\n\n    if (isString(marker)) {\n      return marker;\n    } else {\n      if (process.env.NODE_ENV !== 'production') {\n        assert(markerId);\n      }\n\n      this.richTextStyles[markerId] = marker.style;\n      return marker.content;\n    }\n  };\n  /**\n   * @usage\n   * ```ts\n   * const styledText = markupStyleCreator.wrapRichTextStyle([\n   *     // The styles will be auto merged.\n   *     {\n   *         fontSize: 12,\n   *         color: 'blue'\n   *     },\n   *     {\n   *         padding: 20\n   *     }\n   * ]);\n   * ```\n   */\n\n\n  TooltipMarkupStyleCreator.prototype.wrapRichTextStyle = function (text, styles) {\n    var finalStl = {};\n\n    if (isArray(styles)) {\n      each(styles, function (stl) {\n        return extend(finalStl, stl);\n      });\n    } else {\n      extend(finalStl, styles);\n    }\n\n    var styleName = this._generateStyleName();\n\n    this.richTextStyles[styleName] = finalStl;\n    return \"{\" + styleName + \"|\" + text + \"}\";\n  };\n\n  return TooltipMarkupStyleCreator;\n}();\n\nexport { TooltipMarkupStyleCreator };","/**\n * @license AngularJS v1.7.9\n * (c) 2010-2018 Google, Inc. http://angularjs.org\n * License: MIT\n */\n(function(window) {'use strict';\n\n/* exported\n  minErrConfig,\n  errorHandlingConfig,\n  isValidObjectMaxDepth\n*/\n\nvar minErrConfig = {\n  objectMaxDepth: 5,\n  urlErrorParamsEnabled: true\n};\n\n/**\n * @ngdoc function\n * @name angular.errorHandlingConfig\n * @module ng\n * @kind function\n *\n * @description\n * Configure several aspects of error handling in AngularJS if used as a setter or return the\n * current configuration if used as a getter. The following options are supported:\n *\n * - **objectMaxDepth**: The maximum depth to which objects are traversed when stringified for error messages.\n *\n * Omitted or undefined options will leave the corresponding configuration values unchanged.\n *\n * @param {Object=} config - The configuration object. May only contain the options that need to be\n *     updated. Supported keys:\n *\n * * `objectMaxDepth`  **{Number}** - The max depth for stringifying objects. Setting to a\n *   non-positive or non-numeric value, removes the max depth limit.\n *   Default: 5\n *\n * * `urlErrorParamsEnabled`  **{Boolean}** - Specifies wether the generated error url will\n *   contain the parameters of the thrown error. Disabling the parameters can be useful if the\n *   generated error url is very long.\n *\n *   Default: true. When used without argument, it returns the current value.\n */\nfunction errorHandlingConfig(config) {\n  if (isObject(config)) {\n    if (isDefined(config.objectMaxDepth)) {\n      minErrConfig.objectMaxDepth = isValidObjectMaxDepth(config.objectMaxDepth) ? config.objectMaxDepth : NaN;\n    }\n    if (isDefined(config.urlErrorParamsEnabled) && isBoolean(config.urlErrorParamsEnabled)) {\n      minErrConfig.urlErrorParamsEnabled = config.urlErrorParamsEnabled;\n    }\n  } else {\n    return minErrConfig;\n  }\n}\n\n/**\n * @private\n * @param {Number} maxDepth\n * @return {boolean}\n */\nfunction isValidObjectMaxDepth(maxDepth) {\n  return isNumber(maxDepth) && maxDepth > 0;\n}\n\n\n/**\n * @description\n *\n * This object provides a utility for producing rich Error messages within\n * AngularJS. It can be called as follows:\n *\n * var exampleMinErr = minErr('example');\n * throw exampleMinErr('one', 'This {0} is {1}', foo, bar);\n *\n * The above creates an instance of minErr in the example namespace. The\n * resulting error will have a namespaced error code of example.one.  The\n * resulting error will replace {0} with the value of foo, and {1} with the\n * value of bar. The object is not restricted in the number of arguments it can\n * take.\n *\n * If fewer arguments are specified than necessary for interpolation, the extra\n * interpolation markers will be preserved in the final string.\n *\n * Since data will be parsed statically during a build step, some restrictions\n * are applied with respect to how minErr instances are created and called.\n * Instances should have names of the form namespaceMinErr for a minErr created\n * using minErr('namespace') . Error codes, namespaces and template strings\n * should all be static strings, not variables or general expressions.\n *\n * @param {string} module The namespace to use for the new minErr instance.\n * @param {function} ErrorConstructor Custom error constructor to be instantiated when returning\n *   error from returned function, for cases when a particular type of error is useful.\n * @returns {function(code:string, template:string, ...templateArgs): Error} minErr instance\n */\n\nfunction minErr(module, ErrorConstructor) {\n  ErrorConstructor = ErrorConstructor || Error;\n\n  var url = 'https://errors.angularjs.org/1.7.9/';\n  var regex = url.replace('.', '\\\\.') + '[\\\\s\\\\S]*';\n  var errRegExp = new RegExp(regex, 'g');\n\n  return function() {\n    var code = arguments[0],\n      template = arguments[1],\n      message = '[' + (module ? module + ':' : '') + code + '] ',\n      templateArgs = sliceArgs(arguments, 2).map(function(arg) {\n        return toDebugString(arg, minErrConfig.objectMaxDepth);\n      }),\n      paramPrefix, i;\n\n    // A minErr message has two parts: the message itself and the url that contains the\n    // encoded message.\n    // The message's parameters can contain other error messages which also include error urls.\n    // To prevent the messages from getting too long, we strip the error urls from the parameters.\n\n    message += template.replace(/\\{\\d+\\}/g, function(match) {\n      var index = +match.slice(1, -1);\n\n      if (index < templateArgs.length) {\n        return templateArgs[index].replace(errRegExp, '');\n      }\n\n      return match;\n    });\n\n    message += '\\n' + url + (module ? module + '/' : '') + code;\n\n    if (minErrConfig.urlErrorParamsEnabled) {\n      for (i = 0, paramPrefix = '?'; i < templateArgs.length; i++, paramPrefix = '&') {\n        message += paramPrefix + 'p' + i + '=' + encodeURIComponent(templateArgs[i]);\n      }\n    }\n\n    return new ErrorConstructor(message);\n  };\n}\n\n/* We need to tell ESLint what variables are being exported */\n/* exported\n  angular,\n  msie,\n  jqLite,\n  jQuery,\n  slice,\n  splice,\n  push,\n  toString,\n  minErrConfig,\n  errorHandlingConfig,\n  isValidObjectMaxDepth,\n  ngMinErr,\n  angularModule,\n  uid,\n  REGEX_STRING_REGEXP,\n  VALIDITY_STATE_PROPERTY,\n\n  lowercase,\n  uppercase,\n  nodeName_,\n  isArrayLike,\n  forEach,\n  forEachSorted,\n  reverseParams,\n  nextUid,\n  setHashKey,\n  extend,\n  toInt,\n  inherit,\n  merge,\n  noop,\n  identity,\n  valueFn,\n  isUndefined,\n  isDefined,\n  isObject,\n  isBlankObject,\n  isString,\n  isNumber,\n  isNumberNaN,\n  isDate,\n  isError,\n  isArray,\n  isFunction,\n  isRegExp,\n  isWindow,\n  isScope,\n  isFile,\n  isFormData,\n  isBlob,\n  isBoolean,\n  isPromiseLike,\n  trim,\n  escapeForRegexp,\n  isElement,\n  makeMap,\n  includes,\n  arrayRemove,\n  copy,\n  simpleCompare,\n  equals,\n  csp,\n  jq,\n  concat,\n  sliceArgs,\n  bind,\n  toJsonReplacer,\n  toJson,\n  fromJson,\n  convertTimezoneToLocal,\n  timezoneToOffset,\n  addDateMinutes,\n  startingTag,\n  tryDecodeURIComponent,\n  parseKeyValue,\n  toKeyValue,\n  encodeUriSegment,\n  encodeUriQuery,\n  angularInit,\n  bootstrap,\n  getTestability,\n  snake_case,\n  bindJQuery,\n  assertArg,\n  assertArgFn,\n  assertNotHasOwnProperty,\n  getter,\n  getBlockNodes,\n  hasOwnProperty,\n  createMap,\n  stringify,\n\n  NODE_TYPE_ELEMENT,\n  NODE_TYPE_ATTRIBUTE,\n  NODE_TYPE_TEXT,\n  NODE_TYPE_COMMENT,\n  NODE_TYPE_DOCUMENT,\n  NODE_TYPE_DOCUMENT_FRAGMENT\n*/\n\n////////////////////////////////////\n\n/**\n * @ngdoc module\n * @name ng\n * @module ng\n * @installation\n * @description\n *\n * The ng module is loaded by default when an AngularJS application is started. The module itself\n * contains the essential components for an AngularJS application to function. The table below\n * lists a high level breakdown of each of the services/factories, filters, directives and testing\n * components available within this core module.\n *\n */\n\nvar REGEX_STRING_REGEXP = /^\\/(.+)\\/([a-z]*)$/;\n\n// The name of a form control's ValidityState property.\n// This is used so that it's possible for internal tests to create mock ValidityStates.\nvar VALIDITY_STATE_PROPERTY = 'validity';\n\n\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\n\n/**\n * @private\n *\n * @description Converts the specified string to lowercase.\n * @param {string} string String to be converted to lowercase.\n * @returns {string} Lowercased string.\n */\nvar lowercase = function(string) {return isString(string) ? string.toLowerCase() : string;};\n\n/**\n * @private\n *\n * @description Converts the specified string to uppercase.\n * @param {string} string String to be converted to uppercase.\n * @returns {string} Uppercased string.\n */\nvar uppercase = function(string) {return isString(string) ? string.toUpperCase() : string;};\n\n\nvar\n    msie,             // holds major version number for IE, or NaN if UA is not IE.\n    jqLite,           // delay binding since jQuery could be loaded after us.\n    jQuery,           // delay binding\n    slice             = [].slice,\n    splice            = [].splice,\n    push              = [].push,\n    toString          = Object.prototype.toString,\n    getPrototypeOf    = Object.getPrototypeOf,\n    ngMinErr          = minErr('ng'),\n\n    /** @name angular */\n    angular           = window.angular || (window.angular = {}),\n    angularModule,\n    uid               = 0;\n\n// Support: IE 9-11 only\n/**\n * documentMode is an IE-only property\n * http://msdn.microsoft.com/en-us/library/ie/cc196988(v=vs.85).aspx\n */\nmsie = window.document.documentMode;\n\n\n/**\n * @private\n * @param {*} obj\n * @return {boolean} Returns true if `obj` is an array or array-like object (NodeList, Arguments,\n *                   String ...)\n */\nfunction isArrayLike(obj) {\n\n  // `null`, `undefined` and `window` are not array-like\n  if (obj == null || isWindow(obj)) return false;\n\n  // arrays, strings and jQuery/jqLite objects are array like\n  // * jqLite is either the jQuery or jqLite constructor function\n  // * we have to check the existence of jqLite first as this method is called\n  //   via the forEach method when constructing the jqLite object in the first place\n  if (isArray(obj) || isString(obj) || (jqLite && obj instanceof jqLite)) return true;\n\n  // Support: iOS 8.2 (not reproducible in simulator)\n  // \"length\" in obj used to prevent JIT error (gh-11508)\n  var length = 'length' in Object(obj) && obj.length;\n\n  // NodeList objects (with `item` method) and\n  // other objects with suitable length characteristics are array-like\n  return isNumber(length) && (length >= 0 && (length - 1) in obj || typeof obj.item === 'function');\n\n}\n\n/**\n * @ngdoc function\n * @name angular.forEach\n * @module ng\n * @kind function\n *\n * @description\n * Invokes the `iterator` function once for each item in `obj` collection, which can be either an\n * object or an array. The `iterator` function is invoked with `iterator(value, key, obj)`, where `value`\n * is the value of an object property or an array element, `key` is the object property key or\n * array element index and obj is the `obj` itself. Specifying a `context` for the function is optional.\n *\n * It is worth noting that `.forEach` does not iterate over inherited properties because it filters\n * using the `hasOwnProperty` method.\n *\n * Unlike ES262's\n * [Array.prototype.forEach](http://www.ecma-international.org/ecma-262/5.1/#sec-15.4.4.18),\n * providing 'undefined' or 'null' values for `obj` will not throw a TypeError, but rather just\n * return the value provided.\n *\n   ```js\n     var values = {name: 'misko', gender: 'male'};\n     var log = [];\n     angular.forEach(values, function(value, key) {\n       this.push(key + ': ' + value);\n     }, log);\n     expect(log).toEqual(['name: misko', 'gender: male']);\n   ```\n *\n * @param {Object|Array} obj Object to iterate over.\n * @param {Function} iterator Iterator function.\n * @param {Object=} context Object to become context (`this`) for the iterator function.\n * @returns {Object|Array} Reference to `obj`.\n */\n\nfunction forEach(obj, iterator, context) {\n  var key, length;\n  if (obj) {\n    if (isFunction(obj)) {\n      for (key in obj) {\n        if (key !== 'prototype' && key !== 'length' && key !== 'name' && obj.hasOwnProperty(key)) {\n          iterator.call(context, obj[key], key, obj);\n        }\n      }\n    } else if (isArray(obj) || isArrayLike(obj)) {\n      var isPrimitive = typeof obj !== 'object';\n      for (key = 0, length = obj.length; key < length; key++) {\n        if (isPrimitive || key in obj) {\n          iterator.call(context, obj[key], key, obj);\n        }\n      }\n    } else if (obj.forEach && obj.forEach !== forEach) {\n        obj.forEach(iterator, context, obj);\n    } else if (isBlankObject(obj)) {\n      // createMap() fast path --- Safe to avoid hasOwnProperty check because prototype chain is empty\n      for (key in obj) {\n        iterator.call(context, obj[key], key, obj);\n      }\n    } else if (typeof obj.hasOwnProperty === 'function') {\n      // Slow path for objects inheriting Object.prototype, hasOwnProperty check needed\n      for (key in obj) {\n        if (obj.hasOwnProperty(key)) {\n          iterator.call(context, obj[key], key, obj);\n        }\n      }\n    } else {\n      // Slow path for objects which do not have a method `hasOwnProperty`\n      for (key in obj) {\n        if (hasOwnProperty.call(obj, key)) {\n          iterator.call(context, obj[key], key, obj);\n        }\n      }\n    }\n  }\n  return obj;\n}\n\nfunction forEachSorted(obj, iterator, context) {\n  var keys = Object.keys(obj).sort();\n  for (var i = 0; i < keys.length; i++) {\n    iterator.call(context, obj[keys[i]], keys[i]);\n  }\n  return keys;\n}\n\n\n/**\n * when using forEach the params are value, key, but it is often useful to have key, value.\n * @param {function(string, *)} iteratorFn\n * @returns {function(*, string)}\n */\nfunction reverseParams(iteratorFn) {\n  return function(value, key) {iteratorFn(key, value);};\n}\n\n/**\n * A consistent way of creating unique IDs in angular.\n *\n * Using simple numbers allows us to generate 28.6 million unique ids per second for 10 years before\n * we hit number precision issues in JavaScript.\n *\n * Math.pow(2,53) / 60 / 60 / 24 / 365 / 10 = 28.6M\n *\n * @returns {number} an unique alpha-numeric string\n */\nfunction nextUid() {\n  return ++uid;\n}\n\n\n/**\n * Set or clear the hashkey for an object.\n * @param obj object\n * @param h the hashkey (!truthy to delete the hashkey)\n */\nfunction setHashKey(obj, h) {\n  if (h) {\n    obj.$$hashKey = h;\n  } else {\n    delete obj.$$hashKey;\n  }\n}\n\n\nfunction baseExtend(dst, objs, deep) {\n  var h = dst.$$hashKey;\n\n  for (var i = 0, ii = objs.length; i < ii; ++i) {\n    var obj = objs[i];\n    if (!isObject(obj) && !isFunction(obj)) continue;\n    var keys = Object.keys(obj);\n    for (var j = 0, jj = keys.length; j < jj; j++) {\n      var key = keys[j];\n      var src = obj[key];\n\n      if (deep && isObject(src)) {\n        if (isDate(src)) {\n          dst[key] = new Date(src.valueOf());\n        } else if (isRegExp(src)) {\n          dst[key] = new RegExp(src);\n        } else if (src.nodeName) {\n          dst[key] = src.cloneNode(true);\n        } else if (isElement(src)) {\n          dst[key] = src.clone();\n        } else {\n          if (key !== '__proto__') {\n            if (!isObject(dst[key])) dst[key] = isArray(src) ? [] : {};\n            baseExtend(dst[key], [src], true);\n          }\n        }\n      } else {\n        dst[key] = src;\n      }\n    }\n  }\n\n  setHashKey(dst, h);\n  return dst;\n}\n\n/**\n * @ngdoc function\n * @name angular.extend\n * @module ng\n * @kind function\n *\n * @description\n * Extends the destination object `dst` by copying own enumerable properties from the `src` object(s)\n * to `dst`. You can specify multiple `src` objects. If you want to preserve original objects, you can do so\n * by passing an empty object as the target: `var object = angular.extend({}, object1, object2)`.\n *\n * **Note:** Keep in mind that `angular.extend` does not support recursive merge (deep copy). Use\n * {@link angular.merge} for this.\n *\n * @param {Object} dst Destination object.\n * @param {...Object} src Source object(s).\n * @returns {Object} Reference to `dst`.\n */\nfunction extend(dst) {\n  return baseExtend(dst, slice.call(arguments, 1), false);\n}\n\n\n/**\n* @ngdoc function\n* @name angular.merge\n* @module ng\n* @kind function\n*\n* @description\n* Deeply extends the destination object `dst` by copying own enumerable properties from the `src` object(s)\n* to `dst`. You can specify multiple `src` objects. If you want to preserve original objects, you can do so\n* by passing an empty object as the target: `var object = angular.merge({}, object1, object2)`.\n*\n* Unlike {@link angular.extend extend()}, `merge()` recursively descends into object properties of source\n* objects, performing a deep copy.\n*\n* @deprecated\n* sinceVersion=\"1.6.5\"\n* This function is deprecated, but will not be removed in the 1.x lifecycle.\n* There are edge cases (see {@link angular.merge#known-issues known issues}) that are not\n* supported by this function. We suggest using another, similar library for all-purpose merging,\n* such as [lodash's merge()](https://lodash.com/docs/4.17.4#merge).\n*\n* @knownIssue\n* This is a list of (known) object types that are not handled correctly by this function:\n* - [`Blob`](https://developer.mozilla.org/docs/Web/API/Blob)\n* - [`MediaStream`](https://developer.mozilla.org/docs/Web/API/MediaStream)\n* - [`CanvasGradient`](https://developer.mozilla.org/docs/Web/API/CanvasGradient)\n* - AngularJS {@link $rootScope.Scope scopes};\n*\n* `angular.merge` also does not support merging objects with circular references.\n*\n* @param {Object} dst Destination object.\n* @param {...Object} src Source object(s).\n* @returns {Object} Reference to `dst`.\n*/\nfunction merge(dst) {\n  return baseExtend(dst, slice.call(arguments, 1), true);\n}\n\n\n\nfunction toInt(str) {\n  return parseInt(str, 10);\n}\n\nvar isNumberNaN = Number.isNaN || function isNumberNaN(num) {\n  // eslint-disable-next-line no-self-compare\n  return num !== num;\n};\n\n\nfunction inherit(parent, extra) {\n  return extend(Object.create(parent), extra);\n}\n\n/**\n * @ngdoc function\n * @name angular.noop\n * @module ng\n * @kind function\n *\n * @description\n * A function that performs no operations. This function can be useful when writing code in the\n * functional style.\n   ```js\n     function foo(callback) {\n       var result = calculateResult();\n       (callback || angular.noop)(result);\n     }\n   ```\n */\nfunction noop() {}\nnoop.$inject = [];\n\n\n/**\n * @ngdoc function\n * @name angular.identity\n * @module ng\n * @kind function\n *\n * @description\n * A function that returns its first argument. This function is useful when writing code in the\n * functional style.\n *\n   ```js\n   function transformer(transformationFn, value) {\n     return (transformationFn || angular.identity)(value);\n   };\n\n   // E.g.\n   function getResult(fn, input) {\n     return (fn || angular.identity)(input);\n   };\n\n   getResult(function(n) { return n * 2; }, 21);   // returns 42\n   getResult(null, 21);                            // returns 21\n   getResult(undefined, 21);                       // returns 21\n   ```\n *\n * @param {*} value to be returned.\n * @returns {*} the value passed in.\n */\nfunction identity($) {return $;}\nidentity.$inject = [];\n\n\nfunction valueFn(value) {return function valueRef() {return value;};}\n\nfunction hasCustomToString(obj) {\n  return isFunction(obj.toString) && obj.toString !== toString;\n}\n\n\n/**\n * @ngdoc function\n * @name angular.isUndefined\n * @module ng\n * @kind function\n *\n * @description\n * Determines if a reference is undefined.\n *\n * @param {*} value Reference to check.\n * @returns {boolean} True if `value` is undefined.\n */\nfunction isUndefined(value) {return typeof value === 'undefined';}\n\n\n/**\n * @ngdoc function\n * @name angular.isDefined\n * @module ng\n * @kind function\n *\n * @description\n * Determines if a reference is defined.\n *\n * @param {*} value Reference to check.\n * @returns {boolean} True if `value` is defined.\n */\nfunction isDefined(value) {return typeof value !== 'undefined';}\n\n\n/**\n * @ngdoc function\n * @name angular.isObject\n * @module ng\n * @kind function\n *\n * @description\n * Determines if a reference is an `Object`. Unlike `typeof` in JavaScript, `null`s are not\n * considered to be objects. Note that JavaScript arrays are objects.\n *\n * @param {*} value Reference to check.\n * @returns {boolean} True if `value` is an `Object` but not `null`.\n */\nfunction isObject(value) {\n  // http://jsperf.com/isobject4\n  return value !== null && typeof value === 'object';\n}\n\n\n/**\n * Determine if a value is an object with a null prototype\n *\n * @returns {boolean} True if `value` is an `Object` with a null prototype\n */\nfunction isBlankObject(value) {\n  return value !== null && typeof value === 'object' && !getPrototypeOf(value);\n}\n\n\n/**\n * @ngdoc function\n * @name angular.isString\n * @module ng\n * @kind function\n *\n * @description\n * Determines if a reference is a `String`.\n *\n * @param {*} value Reference to check.\n * @returns {boolean} True if `value` is a `String`.\n */\nfunction isString(value) {return typeof value === 'string';}\n\n\n/**\n * @ngdoc function\n * @name angular.isNumber\n * @module ng\n * @kind function\n *\n * @description\n * Determines if a reference is a `Number`.\n *\n * This includes the \"special\" numbers `NaN`, `+Infinity` and `-Infinity`.\n *\n * If you wish to exclude these then you can use the native\n * [`isFinite'](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/isFinite)\n * method.\n *\n * @param {*} value Reference to check.\n * @returns {boolean} True if `value` is a `Number`.\n */\nfunction isNumber(value) {return typeof value === 'number';}\n\n\n/**\n * @ngdoc function\n * @name angular.isDate\n * @module ng\n * @kind function\n *\n * @description\n * Determines if a value is a date.\n *\n * @param {*} value Reference to check.\n * @returns {boolean} True if `value` is a `Date`.\n */\nfunction isDate(value) {\n  return toString.call(value) === '[object Date]';\n}\n\n\n/**\n * @ngdoc function\n * @name angular.isArray\n * @module ng\n * @kind function\n *\n * @description\n * Determines if a reference is an `Array`.\n *\n * @param {*} value Reference to check.\n * @returns {boolean} True if `value` is an `Array`.\n */\nfunction isArray(arr) {\n  return Array.isArray(arr) || arr instanceof Array;\n}\n\n/**\n * @description\n * Determines if a reference is an `Error`.\n * Loosely based on https://www.npmjs.com/package/iserror\n *\n * @param {*} value Reference to check.\n * @returns {boolean} True if `value` is an `Error`.\n */\nfunction isError(value) {\n  var tag = toString.call(value);\n  switch (tag) {\n    case '[object Error]': return true;\n    case '[object Exception]': return true;\n    case '[object DOMException]': return true;\n    default: return value instanceof Error;\n  }\n}\n\n/**\n * @ngdoc function\n * @name angular.isFunction\n * @module ng\n * @kind function\n *\n * @description\n * Determines if a reference is a `Function`.\n *\n * @param {*} value Reference to check.\n * @returns {boolean} True if `value` is a `Function`.\n */\nfunction isFunction(value) {return typeof value === 'function';}\n\n\n/**\n * Determines if a value is a regular expression object.\n *\n * @private\n * @param {*} value Reference to check.\n * @returns {boolean} True if `value` is a `RegExp`.\n */\nfunction isRegExp(value) {\n  return toString.call(value) === '[object RegExp]';\n}\n\n\n/**\n * Checks if `obj` is a window object.\n *\n * @private\n * @param {*} obj Object to check\n * @returns {boolean} True if `obj` is a window obj.\n */\nfunction isWindow(obj) {\n  return obj && obj.window === obj;\n}\n\n\nfunction isScope(obj) {\n  return obj && obj.$evalAsync && obj.$watch;\n}\n\n\nfunction isFile(obj) {\n  return toString.call(obj) === '[object File]';\n}\n\n\nfunction isFormData(obj) {\n  return toString.call(obj) === '[object FormData]';\n}\n\n\nfunction isBlob(obj) {\n  return toString.call(obj) === '[object Blob]';\n}\n\n\nfunction isBoolean(value) {\n  return typeof value === 'boolean';\n}\n\n\nfunction isPromiseLike(obj) {\n  return obj && isFunction(obj.then);\n}\n\n\nvar TYPED_ARRAY_REGEXP = /^\\[object (?:Uint8|Uint8Clamped|Uint16|Uint32|Int8|Int16|Int32|Float32|Float64)Array]$/;\nfunction isTypedArray(value) {\n  return value && isNumber(value.length) && TYPED_ARRAY_REGEXP.test(toString.call(value));\n}\n\nfunction isArrayBuffer(obj) {\n  return toString.call(obj) === '[object ArrayBuffer]';\n}\n\n\nvar trim = function(value) {\n  return isString(value) ? value.trim() : value;\n};\n\n// Copied from:\n// http://docs.closure-library.googlecode.com/git/local_closure_goog_string_string.js.source.html#line1021\n// Prereq: s is a string.\nvar escapeForRegexp = function(s) {\n  return s\n    .replace(/([-()[\\]{}+?*.$^|,:#<!\\\\])/g, '\\\\$1')\n    // eslint-disable-next-line no-control-regex\n    .replace(/\\x08/g, '\\\\x08');\n};\n\n\n/**\n * @ngdoc function\n * @name angular.isElement\n * @module ng\n * @kind function\n *\n * @description\n * Determines if a reference is a DOM element (or wrapped jQuery element).\n *\n * @param {*} value Reference to check.\n * @returns {boolean} True if `value` is a DOM element (or wrapped jQuery element).\n */\nfunction isElement(node) {\n  return !!(node &&\n    (node.nodeName  // We are a direct element.\n    || (node.prop && node.attr && node.find)));  // We have an on and find method part of jQuery API.\n}\n\n/**\n * @param str 'key1,key2,...'\n * @returns {object} in the form of {key1:true, key2:true, ...}\n */\nfunction makeMap(str) {\n  var obj = {}, items = str.split(','), i;\n  for (i = 0; i < items.length; i++) {\n    obj[items[i]] = true;\n  }\n  return obj;\n}\n\n\nfunction nodeName_(element) {\n  return lowercase(element.nodeName || (element[0] && element[0].nodeName));\n}\n\nfunction includes(array, obj) {\n  return Array.prototype.indexOf.call(array, obj) !== -1;\n}\n\nfunction arrayRemove(array, value) {\n  var index = array.indexOf(value);\n  if (index >= 0) {\n    array.splice(index, 1);\n  }\n  return index;\n}\n\n/**\n * @ngdoc function\n * @name angular.copy\n * @module ng\n * @kind function\n *\n * @description\n * Creates a deep copy of `source`, which should be an object or an array. This functions is used\n * internally, mostly in the change-detection code. It is not intended as an all-purpose copy\n * function, and has several limitations (see below).\n *\n * * If no destination is supplied, a copy of the object or array is created.\n * * If a destination is provided, all of its elements (for arrays) or properties (for objects)\n *   are deleted and then all elements/properties from the source are copied to it.\n * * If `source` is not an object or array (inc. `null` and `undefined`), `source` is returned.\n * * If `source` is identical to `destination` an exception will be thrown.\n *\n * <br />\n *\n * <div class=\"alert alert-warning\">\n *   Only enumerable properties are taken into account. Non-enumerable properties (both on `source`\n *   and on `destination`) will be ignored.\n * </div>\n *\n * <div class=\"alert alert-warning\">\n *   `angular.copy` does not check if destination and source are of the same type. It's the\n *   developer's responsibility to make sure they are compatible.\n * </div>\n *\n * @knownIssue\n * This is a non-exhaustive list of object types / features that are not handled correctly by\n * `angular.copy`. Note that since this functions is used by the change detection code, this\n * means binding or watching objects of these types (or that include these types) might not work\n * correctly.\n * - [`File`](https://developer.mozilla.org/docs/Web/API/File)\n * - [`Map`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Map)\n * - [`ImageData`](https://developer.mozilla.org/docs/Web/API/ImageData)\n * - [`MediaStream`](https://developer.mozilla.org/docs/Web/API/MediaStream)\n * - [`Set`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Set)\n * - [`WeakMap`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/WeakMap)\n * - ['getter'](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/get)/\n *   [`setter`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/set)`\n *\n * @param {*} source The source that will be used to make a copy. Can be any type, including\n *     primitives, `null`, and `undefined`.\n * @param {(Object|Array)=} destination Destination into which the source is copied. If provided,\n *     must be of the same type as `source`.\n * @returns {*} The copy or updated `destination`, if `destination` was specified.\n *\n * @example\n  <example module=\"copyExample\" name=\"angular-copy\">\n    <file name=\"index.html\">\n      <div ng-controller=\"ExampleController\">\n        <form novalidate class=\"simple-form\">\n          <label>Name: <input type=\"text\" ng-model=\"user.name\" /></label><br />\n          <label>Age:  <input type=\"number\" ng-model=\"user.age\" /></label><br />\n          Gender: <label><input type=\"radio\" ng-model=\"user.gender\" value=\"male\" />male</label>\n                  <label><input type=\"radio\" ng-model=\"user.gender\" value=\"female\" />female</label><br />\n          <button ng-click=\"reset()\">RESET</button>\n          <button ng-click=\"update(user)\">SAVE</button>\n        </form>\n        <pre>form = {{user | json}}</pre>\n        <pre>leader = {{leader | json}}</pre>\n      </div>\n    </file>\n    <file name=\"script.js\">\n      // Module: copyExample\n      angular.\n        module('copyExample', []).\n        controller('ExampleController', ['$scope', function($scope) {\n          $scope.leader = {};\n\n          $scope.reset = function() {\n            // Example with 1 argument\n            $scope.user = angular.copy($scope.leader);\n          };\n\n          $scope.update = function(user) {\n            // Example with 2 arguments\n            angular.copy(user, $scope.leader);\n          };\n\n          $scope.reset();\n        }]);\n    </file>\n  </example>\n */\nfunction copy(source, destination, maxDepth) {\n  var stackSource = [];\n  var stackDest = [];\n  maxDepth = isValidObjectMaxDepth(maxDepth) ? maxDepth : NaN;\n\n  if (destination) {\n    if (isTypedArray(destination) || isArrayBuffer(destination)) {\n      throw ngMinErr('cpta', 'Can\\'t copy! TypedArray destination cannot be mutated.');\n    }\n    if (source === destination) {\n      throw ngMinErr('cpi', 'Can\\'t copy! Source and destination are identical.');\n    }\n\n    // Empty the destination object\n    if (isArray(destination)) {\n      destination.length = 0;\n    } else {\n      forEach(destination, function(value, key) {\n        if (key !== '$$hashKey') {\n          delete destination[key];\n        }\n      });\n    }\n\n    stackSource.push(source);\n    stackDest.push(destination);\n    return copyRecurse(source, destination, maxDepth);\n  }\n\n  return copyElement(source, maxDepth);\n\n  function copyRecurse(source, destination, maxDepth) {\n    maxDepth--;\n    if (maxDepth < 0) {\n      return '...';\n    }\n    var h = destination.$$hashKey;\n    var key;\n    if (isArray(source)) {\n      for (var i = 0, ii = source.length; i < ii; i++) {\n        destination.push(copyElement(source[i], maxDepth));\n      }\n    } else if (isBlankObject(source)) {\n      // createMap() fast path --- Safe to avoid hasOwnProperty check because prototype chain is empty\n      for (key in source) {\n        destination[key] = copyElement(source[key], maxDepth);\n      }\n    } else if (source && typeof source.hasOwnProperty === 'function') {\n      // Slow path, which must rely on hasOwnProperty\n      for (key in source) {\n        if (source.hasOwnProperty(key)) {\n          destination[key] = copyElement(source[key], maxDepth);\n        }\n      }\n    } else {\n      // Slowest path --- hasOwnProperty can't be called as a method\n      for (key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          destination[key] = copyElement(source[key], maxDepth);\n        }\n      }\n    }\n    setHashKey(destination, h);\n    return destination;\n  }\n\n  function copyElement(source, maxDepth) {\n    // Simple values\n    if (!isObject(source)) {\n      return source;\n    }\n\n    // Already copied values\n    var index = stackSource.indexOf(source);\n    if (index !== -1) {\n      return stackDest[index];\n    }\n\n    if (isWindow(source) || isScope(source)) {\n      throw ngMinErr('cpws',\n        'Can\\'t copy! Making copies of Window or Scope instances is not supported.');\n    }\n\n    var needsRecurse = false;\n    var destination = copyType(source);\n\n    if (destination === undefined) {\n      destination = isArray(source) ? [] : Object.create(getPrototypeOf(source));\n      needsRecurse = true;\n    }\n\n    stackSource.push(source);\n    stackDest.push(destination);\n\n    return needsRecurse\n      ? copyRecurse(source, destination, maxDepth)\n      : destination;\n  }\n\n  function copyType(source) {\n    switch (toString.call(source)) {\n      case '[object Int8Array]':\n      case '[object Int16Array]':\n      case '[object Int32Array]':\n      case '[object Float32Array]':\n      case '[object Float64Array]':\n      case '[object Uint8Array]':\n      case '[object Uint8ClampedArray]':\n      case '[object Uint16Array]':\n      case '[object Uint32Array]':\n        return new source.constructor(copyElement(source.buffer), source.byteOffset, source.length);\n\n      case '[object ArrayBuffer]':\n        // Support: IE10\n        if (!source.slice) {\n          // If we're in this case we know the environment supports ArrayBuffer\n          /* eslint-disable no-undef */\n          var copied = new ArrayBuffer(source.byteLength);\n          new Uint8Array(copied).set(new Uint8Array(source));\n          /* eslint-enable */\n          return copied;\n        }\n        return source.slice(0);\n\n      case '[object Boolean]':\n      case '[object Number]':\n      case '[object String]':\n      case '[object Date]':\n        return new source.constructor(source.valueOf());\n\n      case '[object RegExp]':\n        var re = new RegExp(source.source, source.toString().match(/[^/]*$/)[0]);\n        re.lastIndex = source.lastIndex;\n        return re;\n\n      case '[object Blob]':\n        return new source.constructor([source], {type: source.type});\n    }\n\n    if (isFunction(source.cloneNode)) {\n      return source.cloneNode(true);\n    }\n  }\n}\n\n\n// eslint-disable-next-line no-self-compare\nfunction simpleCompare(a, b) { return a === b || (a !== a && b !== b); }\n\n\n/**\n * @ngdoc function\n * @name angular.equals\n * @module ng\n * @kind function\n *\n * @description\n * Determines if two objects or two values are equivalent. Supports value types, regular\n * expressions, arrays and objects.\n *\n * Two objects or values are considered equivalent if at least one of the following is true:\n *\n * * Both objects or values pass `===` comparison.\n * * Both objects or values are of the same type and all of their properties are equal by\n *   comparing them with `angular.equals`.\n * * Both values are NaN. (In JavaScript, NaN == NaN => false. But we consider two NaN as equal)\n * * Both values represent the same regular expression (In JavaScript,\n *   /abc/ == /abc/ => false. But we consider two regular expressions as equal when their textual\n *   representation matches).\n *\n * During a property comparison, properties of `function` type and properties with names\n * that begin with `$` are ignored.\n *\n * Scope and DOMWindow objects are being compared only by identify (`===`).\n *\n * @param {*} o1 Object or value to compare.\n * @param {*} o2 Object or value to compare.\n * @returns {boolean} True if arguments are equal.\n *\n * @example\n   <example module=\"equalsExample\" name=\"equalsExample\">\n     <file name=\"index.html\">\n      <div ng-controller=\"ExampleController\">\n        <form novalidate>\n          <h3>User 1</h3>\n          Name: <input type=\"text\" ng-model=\"user1.name\">\n          Age: <input type=\"number\" ng-model=\"user1.age\">\n\n          <h3>User 2</h3>\n          Name: <input type=\"text\" ng-model=\"user2.name\">\n          Age: <input type=\"number\" ng-model=\"user2.age\">\n\n          <div>\n            <br/>\n            <input type=\"button\" value=\"Compare\" ng-click=\"compare()\">\n          </div>\n          User 1: <pre>{{user1 | json}}</pre>\n          User 2: <pre>{{user2 | json}}</pre>\n          Equal: <pre>{{result}}</pre>\n        </form>\n      </div>\n    </file>\n    <file name=\"script.js\">\n        angular.module('equalsExample', []).controller('ExampleController', ['$scope', function($scope) {\n          $scope.user1 = {};\n          $scope.user2 = {};\n          $scope.compare = function() {\n            $scope.result = angular.equals($scope.user1, $scope.user2);\n          };\n        }]);\n    </file>\n  </example>\n */\nfunction equals(o1, o2) {\n  if (o1 === o2) return true;\n  if (o1 === null || o2 === null) return false;\n  // eslint-disable-next-line no-self-compare\n  if (o1 !== o1 && o2 !== o2) return true; // NaN === NaN\n  var t1 = typeof o1, t2 = typeof o2, length, key, keySet;\n  if (t1 === t2 && t1 === 'object') {\n    if (isArray(o1)) {\n      if (!isArray(o2)) return false;\n      if ((length = o1.length) === o2.length) {\n        for (key = 0; key < length; key++) {\n          if (!equals(o1[key], o2[key])) return false;\n        }\n        return true;\n      }\n    } else if (isDate(o1)) {\n      if (!isDate(o2)) return false;\n      return simpleCompare(o1.getTime(), o2.getTime());\n    } else if (isRegExp(o1)) {\n      if (!isRegExp(o2)) return false;\n      return o1.toString() === o2.toString();\n    } else {\n      if (isScope(o1) || isScope(o2) || isWindow(o1) || isWindow(o2) ||\n        isArray(o2) || isDate(o2) || isRegExp(o2)) return false;\n      keySet = createMap();\n      for (key in o1) {\n        if (key.charAt(0) === '$' || isFunction(o1[key])) continue;\n        if (!equals(o1[key], o2[key])) return false;\n        keySet[key] = true;\n      }\n      for (key in o2) {\n        if (!(key in keySet) &&\n            key.charAt(0) !== '$' &&\n            isDefined(o2[key]) &&\n            !isFunction(o2[key])) return false;\n      }\n      return true;\n    }\n  }\n  return false;\n}\n\nvar csp = function() {\n  if (!isDefined(csp.rules)) {\n\n\n    var ngCspElement = (window.document.querySelector('[ng-csp]') ||\n                    window.document.querySelector('[data-ng-csp]'));\n\n    if (ngCspElement) {\n      var ngCspAttribute = ngCspElement.getAttribute('ng-csp') ||\n                    ngCspElement.getAttribute('data-ng-csp');\n      csp.rules = {\n        noUnsafeEval: !ngCspAttribute || (ngCspAttribute.indexOf('no-unsafe-eval') !== -1),\n        noInlineStyle: !ngCspAttribute || (ngCspAttribute.indexOf('no-inline-style') !== -1)\n      };\n    } else {\n      csp.rules = {\n        noUnsafeEval: noUnsafeEval(),\n        noInlineStyle: false\n      };\n    }\n  }\n\n  return csp.rules;\n\n  function noUnsafeEval() {\n    try {\n      // eslint-disable-next-line no-new, no-new-func\n      new Function('');\n      return false;\n    } catch (e) {\n      return true;\n    }\n  }\n};\n\n/**\n * @ngdoc directive\n * @module ng\n * @name ngJq\n *\n * @element ANY\n * @param {string=} ngJq the name of the library available under `window`\n * to be used for angular.element\n * @description\n * Use this directive to force the angular.element library.  This should be\n * used to force either jqLite by leaving ng-jq blank or setting the name of\n * the jquery variable under window (eg. jQuery).\n *\n * Since AngularJS looks for this directive when it is loaded (doesn't wait for the\n * DOMContentLoaded event), it must be placed on an element that comes before the script\n * which loads angular. Also, only the first instance of `ng-jq` will be used and all\n * others ignored.\n *\n * @example\n * This example shows how to force jqLite using the `ngJq` directive to the `html` tag.\n ```html\n <!doctype html>\n <html ng-app ng-jq>\n ...\n ...\n </html>\n ```\n * @example\n * This example shows how to use a jQuery based library of a different name.\n * The library name must be available at the top most 'window'.\n ```html\n <!doctype html>\n <html ng-app ng-jq=\"jQueryLib\">\n ...\n ...\n </html>\n ```\n */\nvar jq = function() {\n  if (isDefined(jq.name_)) return jq.name_;\n  var el;\n  var i, ii = ngAttrPrefixes.length, prefix, name;\n  for (i = 0; i < ii; ++i) {\n    prefix = ngAttrPrefixes[i];\n    el = window.document.querySelector('[' + prefix.replace(':', '\\\\:') + 'jq]');\n    if (el) {\n      name = el.getAttribute(prefix + 'jq');\n      break;\n    }\n  }\n\n  return (jq.name_ = name);\n};\n\nfunction concat(array1, array2, index) {\n  return array1.concat(slice.call(array2, index));\n}\n\nfunction sliceArgs(args, startIndex) {\n  return slice.call(args, startIndex || 0);\n}\n\n\n/**\n * @ngdoc function\n * @name angular.bind\n * @module ng\n * @kind function\n *\n * @description\n * Returns a function which calls function `fn` bound to `self` (`self` becomes the `this` for\n * `fn`). You can supply optional `args` that are prebound to the function. This feature is also\n * known as [partial application](http://en.wikipedia.org/wiki/Partial_application), as\n * distinguished from [function currying](http://en.wikipedia.org/wiki/Currying#Contrast_with_partial_function_application).\n *\n * @param {Object} self Context which `fn` should be evaluated in.\n * @param {function()} fn Function to be bound.\n * @param {...*} args Optional arguments to be prebound to the `fn` function call.\n * @returns {function()} Function that wraps the `fn` with all the specified bindings.\n */\nfunction bind(self, fn) {\n  var curryArgs = arguments.length > 2 ? sliceArgs(arguments, 2) : [];\n  if (isFunction(fn) && !(fn instanceof RegExp)) {\n    return curryArgs.length\n      ? function() {\n          return arguments.length\n            ? fn.apply(self, concat(curryArgs, arguments, 0))\n            : fn.apply(self, curryArgs);\n        }\n      : function() {\n          return arguments.length\n            ? fn.apply(self, arguments)\n            : fn.call(self);\n        };\n  } else {\n    // In IE, native methods are not functions so they cannot be bound (note: they don't need to be).\n    return fn;\n  }\n}\n\n\nfunction toJsonReplacer(key, value) {\n  var val = value;\n\n  if (typeof key === 'string' && key.charAt(0) === '$' && key.charAt(1) === '$') {\n    val = undefined;\n  } else if (isWindow(value)) {\n    val = '$WINDOW';\n  } else if (value &&  window.document === value) {\n    val = '$DOCUMENT';\n  } else if (isScope(value)) {\n    val = '$SCOPE';\n  }\n\n  return val;\n}\n\n\n/**\n * @ngdoc function\n * @name angular.toJson\n * @module ng\n * @kind function\n *\n * @description\n * Serializes input into a JSON-formatted string. Properties with leading $$ characters will be\n * stripped since AngularJS uses this notation internally.\n *\n * @param {Object|Array|Date|string|number|boolean} obj Input to be serialized into JSON.\n * @param {boolean|number} [pretty=2] If set to true, the JSON output will contain newlines and whitespace.\n *    If set to an integer, the JSON output will contain that many spaces per indentation.\n * @returns {string|undefined} JSON-ified string representing `obj`.\n * @knownIssue\n *\n * The Safari browser throws a `RangeError` instead of returning `null` when it tries to stringify a `Date`\n * object with an invalid date value. The only reliable way to prevent this is to monkeypatch the\n * `Date.prototype.toJSON` method as follows:\n *\n * ```\n * var _DatetoJSON = Date.prototype.toJSON;\n * Date.prototype.toJSON = function() {\n *   try {\n *     return _DatetoJSON.call(this);\n *   } catch(e) {\n *     if (e instanceof RangeError) {\n *       return null;\n *     }\n *     throw e;\n *   }\n * };\n * ```\n *\n * See https://github.com/angular/angular.js/pull/14221 for more information.\n */\nfunction toJson(obj, pretty) {\n  if (isUndefined(obj)) return undefined;\n  if (!isNumber(pretty)) {\n    pretty = pretty ? 2 : null;\n  }\n  return JSON.stringify(obj, toJsonReplacer, pretty);\n}\n\n\n/**\n * @ngdoc function\n * @name angular.fromJson\n * @module ng\n * @kind function\n *\n * @description\n * Deserializes a JSON string.\n *\n * @param {string} json JSON string to deserialize.\n * @returns {Object|Array|string|number} Deserialized JSON string.\n */\nfunction fromJson(json) {\n  return isString(json)\n      ? JSON.parse(json)\n      : json;\n}\n\n\nvar ALL_COLONS = /:/g;\nfunction timezoneToOffset(timezone, fallback) {\n  // Support: IE 9-11 only, Edge 13-15+\n  // IE/Edge do not \"understand\" colon (`:`) in timezone\n  timezone = timezone.replace(ALL_COLONS, '');\n  var requestedTimezoneOffset = Date.parse('Jan 01, 1970 00:00:00 ' + timezone) / 60000;\n  return isNumberNaN(requestedTimezoneOffset) ? fallback : requestedTimezoneOffset;\n}\n\n\nfunction addDateMinutes(date, minutes) {\n  date = new Date(date.getTime());\n  date.setMinutes(date.getMinutes() + minutes);\n  return date;\n}\n\n\nfunction convertTimezoneToLocal(date, timezone, reverse) {\n  reverse = reverse ? -1 : 1;\n  var dateTimezoneOffset = date.getTimezoneOffset();\n  var timezoneOffset = timezoneToOffset(timezone, dateTimezoneOffset);\n  return addDateMinutes(date, reverse * (timezoneOffset - dateTimezoneOffset));\n}\n\n\n/**\n * @returns {string} Returns the string representation of the element.\n */\nfunction startingTag(element) {\n  element = jqLite(element).clone().empty();\n  var elemHtml = jqLite('<div></div>').append(element).html();\n  try {\n    return element[0].nodeType === NODE_TYPE_TEXT ? lowercase(elemHtml) :\n        elemHtml.\n          match(/^(<[^>]+>)/)[1].\n          replace(/^<([\\w-]+)/, function(match, nodeName) {return '<' + lowercase(nodeName);});\n  } catch (e) {\n    return lowercase(elemHtml);\n  }\n\n}\n\n\n/////////////////////////////////////////////////\n\n/**\n * Tries to decode the URI component without throwing an exception.\n *\n * @private\n * @param str value potential URI component to check.\n * @returns {boolean} True if `value` can be decoded\n * with the decodeURIComponent function.\n */\nfunction tryDecodeURIComponent(value) {\n  try {\n    return decodeURIComponent(value);\n  } catch (e) {\n    // Ignore any invalid uri component.\n  }\n}\n\n\n/**\n * Parses an escaped url query string into key-value pairs.\n * @returns {Object.<string,boolean|Array>}\n */\nfunction parseKeyValue(/**string*/keyValue) {\n  var obj = {};\n  forEach((keyValue || '').split('&'), function(keyValue) {\n    var splitPoint, key, val;\n    if (keyValue) {\n      key = keyValue = keyValue.replace(/\\+/g,'%20');\n      splitPoint = keyValue.indexOf('=');\n      if (splitPoint !== -1) {\n        key = keyValue.substring(0, splitPoint);\n        val = keyValue.substring(splitPoint + 1);\n      }\n      key = tryDecodeURIComponent(key);\n      if (isDefined(key)) {\n        val = isDefined(val) ? tryDecodeURIComponent(val) : true;\n        if (!hasOwnProperty.call(obj, key)) {\n          obj[key] = val;\n        } else if (isArray(obj[key])) {\n          obj[key].push(val);\n        } else {\n          obj[key] = [obj[key],val];\n        }\n      }\n    }\n  });\n  return obj;\n}\n\nfunction toKeyValue(obj) {\n  var parts = [];\n  forEach(obj, function(value, key) {\n    if (isArray(value)) {\n      forEach(value, function(arrayValue) {\n        parts.push(encodeUriQuery(key, true) +\n                   (arrayValue === true ? '' : '=' + encodeUriQuery(arrayValue, true)));\n      });\n    } else {\n    parts.push(encodeUriQuery(key, true) +\n               (value === true ? '' : '=' + encodeUriQuery(value, true)));\n    }\n  });\n  return parts.length ? parts.join('&') : '';\n}\n\n\n/**\n * We need our custom method because encodeURIComponent is too aggressive and doesn't follow\n * http://www.ietf.org/rfc/rfc3986.txt with regards to the character set (pchar) allowed in path\n * segments:\n *    segment       = *pchar\n *    pchar         = unreserved / pct-encoded / sub-delims / \":\" / \"@\"\n *    pct-encoded   = \"%\" HEXDIG HEXDIG\n *    unreserved    = ALPHA / DIGIT / \"-\" / \".\" / \"_\" / \"~\"\n *    sub-delims    = \"!\" / \"$\" / \"&\" / \"'\" / \"(\" / \")\"\n *                     / \"*\" / \"+\" / \",\" / \";\" / \"=\"\n */\nfunction encodeUriSegment(val) {\n  return encodeUriQuery(val, true).\n             replace(/%26/gi, '&').\n             replace(/%3D/gi, '=').\n             replace(/%2B/gi, '+');\n}\n\n\n/**\n * This method is intended for encoding *key* or *value* parts of query component. We need a custom\n * method because encodeURIComponent is too aggressive and encodes stuff that doesn't have to be\n * encoded per http://tools.ietf.org/html/rfc3986:\n *    query         = *( pchar / \"/\" / \"?\" )\n *    pchar         = unreserved / pct-encoded / sub-delims / \":\" / \"@\"\n *    unreserved    = ALPHA / DIGIT / \"-\" / \".\" / \"_\" / \"~\"\n *    pct-encoded   = \"%\" HEXDIG HEXDIG\n *    sub-delims    = \"!\" / \"$\" / \"&\" / \"'\" / \"(\" / \")\"\n *                     / \"*\" / \"+\" / \",\" / \";\" / \"=\"\n */\nfunction encodeUriQuery(val, pctEncodeSpaces) {\n  return encodeURIComponent(val).\n             replace(/%40/gi, '@').\n             replace(/%3A/gi, ':').\n             replace(/%24/g, '$').\n             replace(/%2C/gi, ',').\n             replace(/%3B/gi, ';').\n             replace(/%20/g, (pctEncodeSpaces ? '%20' : '+'));\n}\n\nvar ngAttrPrefixes = ['ng-', 'data-ng-', 'ng:', 'x-ng-'];\n\nfunction getNgAttribute(element, ngAttr) {\n  var attr, i, ii = ngAttrPrefixes.length;\n  for (i = 0; i < ii; ++i) {\n    attr = ngAttrPrefixes[i] + ngAttr;\n    if (isString(attr = element.getAttribute(attr))) {\n      return attr;\n    }\n  }\n  return null;\n}\n\nfunction allowAutoBootstrap(document) {\n  var script = document.currentScript;\n\n  if (!script) {\n    // Support: IE 9-11 only\n    // IE does not have `document.currentScript`\n    return true;\n  }\n\n  // If the `currentScript` property has been clobbered just return false, since this indicates a probable attack\n  if (!(script instanceof window.HTMLScriptElement || script instanceof window.SVGScriptElement)) {\n    return false;\n  }\n\n  var attributes = script.attributes;\n  var srcs = [attributes.getNamedItem('src'), attributes.getNamedItem('href'), attributes.getNamedItem('xlink:href')];\n\n  return srcs.every(function(src) {\n    if (!src) {\n      return true;\n    }\n    if (!src.value) {\n      return false;\n    }\n\n    var link = document.createElement('a');\n    link.href = src.value;\n\n    if (document.location.origin === link.origin) {\n      // Same-origin resources are always allowed, even for non-whitelisted schemes.\n      return true;\n    }\n    // Disabled bootstrapping unless angular.js was loaded from a known scheme used on the web.\n    // This is to prevent angular.js bundled with browser extensions from being used to bypass the\n    // content security policy in web pages and other browser extensions.\n    switch (link.protocol) {\n      case 'http:':\n      case 'https:':\n      case 'ftp:':\n      case 'blob:':\n      case 'file:':\n      case 'data:':\n        return true;\n      default:\n        return false;\n    }\n  });\n}\n\n// Cached as it has to run during loading so that document.currentScript is available.\nvar isAutoBootstrapAllowed = allowAutoBootstrap(window.document);\n\n/**\n * @ngdoc directive\n * @name ngApp\n * @module ng\n *\n * @element ANY\n * @param {angular.Module} ngApp an optional application\n *   {@link angular.module module} name to load.\n * @param {boolean=} ngStrictDi if this attribute is present on the app element, the injector will be\n *   created in \"strict-di\" mode. This means that the application will fail to invoke functions which\n *   do not use explicit function annotation (and are thus unsuitable for minification), as described\n *   in {@link guide/di the Dependency Injection guide}, and useful debugging info will assist in\n *   tracking down the root of these bugs.\n *\n * @description\n *\n * Use this directive to **auto-bootstrap** an AngularJS application. The `ngApp` directive\n * designates the **root element** of the application and is typically placed near the root element\n * of the page - e.g. on the `<body>` or `<html>` tags.\n *\n * There are a few things to keep in mind when using `ngApp`:\n * - only one AngularJS application can be auto-bootstrapped per HTML document. The first `ngApp`\n *   found in the document will be used to define the root element to auto-bootstrap as an\n *   application. To run multiple applications in an HTML document you must manually bootstrap them using\n *   {@link angular.bootstrap} instead.\n * - AngularJS applications cannot be nested within each other.\n * - Do not use a directive that uses {@link ng.$compile#transclusion transclusion} on the same element as `ngApp`.\n *   This includes directives such as {@link ng.ngIf `ngIf`}, {@link ng.ngInclude `ngInclude`} and\n *   {@link ngRoute.ngView `ngView`}.\n *   Doing this misplaces the app {@link ng.$rootElement `$rootElement`} and the app's {@link auto.$injector injector},\n *   causing animations to stop working and making the injector inaccessible from outside the app.\n *\n * You can specify an **AngularJS module** to be used as the root module for the application.  This\n * module will be loaded into the {@link auto.$injector} when the application is bootstrapped. It\n * should contain the application code needed or have dependencies on other modules that will\n * contain the code. See {@link angular.module} for more information.\n *\n * In the example below if the `ngApp` directive were not placed on the `html` element then the\n * document would not be compiled, the `AppController` would not be instantiated and the `{{ a+b }}`\n * would not be resolved to `3`.\n *\n * @example\n *\n * ### Simple Usage\n *\n * `ngApp` is the easiest, and most common way to bootstrap an application.\n *\n <example module=\"ngAppDemo\" name=\"ng-app\">\n   <file name=\"index.html\">\n   <div ng-controller=\"ngAppDemoController\">\n     I can add: {{a}} + {{b}} =  {{ a+b }}\n   </div>\n   </file>\n   <file name=\"script.js\">\n   angular.module('ngAppDemo', []).controller('ngAppDemoController', function($scope) {\n     $scope.a = 1;\n     $scope.b = 2;\n   });\n   </file>\n </example>\n *\n * @example\n *\n * ### With `ngStrictDi`\n *\n * Using `ngStrictDi`, you would see something like this:\n *\n <example ng-app-included=\"true\" name=\"strict-di\">\n   <file name=\"index.html\">\n   <div ng-app=\"ngAppStrictDemo\" ng-strict-di>\n       <div ng-controller=\"GoodController1\">\n           I can add: {{a}} + {{b}} =  {{ a+b }}\n\n           <p>This renders because the controller does not fail to\n              instantiate, by using explicit annotation style (see\n              script.js for details)\n           </p>\n       </div>\n\n       <div ng-controller=\"GoodController2\">\n           Name: <input ng-model=\"name\"><br />\n           Hello, {{name}}!\n\n           <p>This renders because the controller does not fail to\n              instantiate, by using explicit annotation style\n              (see script.js for details)\n           </p>\n       </div>\n\n       <div ng-controller=\"BadController\">\n           I can add: {{a}} + {{b}} =  {{ a+b }}\n\n           <p>The controller could not be instantiated, due to relying\n              on automatic function annotations (which are disabled in\n              strict mode). As such, the content of this section is not\n              interpolated, and there should be an error in your web console.\n           </p>\n       </div>\n   </div>\n   </file>\n   <file name=\"script.js\">\n   angular.module('ngAppStrictDemo', [])\n     // BadController will fail to instantiate, due to relying on automatic function annotation,\n     // rather than an explicit annotation\n     .controller('BadController', function($scope) {\n       $scope.a = 1;\n       $scope.b = 2;\n     })\n     // Unlike BadController, GoodController1 and GoodController2 will not fail to be instantiated,\n     // due to using explicit annotations using the array style and $inject property, respectively.\n     .controller('GoodController1', ['$scope', function($scope) {\n       $scope.a = 1;\n       $scope.b = 2;\n     }])\n     .controller('GoodController2', GoodController2);\n     function GoodController2($scope) {\n       $scope.name = 'World';\n     }\n     GoodController2.$inject = ['$scope'];\n   </file>\n   <file name=\"style.css\">\n   div[ng-controller] {\n       margin-bottom: 1em;\n       -webkit-border-radius: 4px;\n       border-radius: 4px;\n       border: 1px solid;\n       padding: .5em;\n   }\n   div[ng-controller^=Good] {\n       border-color: #d6e9c6;\n       background-color: #dff0d8;\n       color: #3c763d;\n   }\n   div[ng-controller^=Bad] {\n       border-color: #ebccd1;\n       background-color: #f2dede;\n       color: #a94442;\n       margin-bottom: 0;\n   }\n   </file>\n </example>\n */\nfunction angularInit(element, bootstrap) {\n  var appElement,\n      module,\n      config = {};\n\n  // The element `element` has priority over any other element.\n  forEach(ngAttrPrefixes, function(prefix) {\n    var name = prefix + 'app';\n\n    if (!appElement && element.hasAttribute && element.hasAttribute(name)) {\n      appElement = element;\n      module = element.getAttribute(name);\n    }\n  });\n  forEach(ngAttrPrefixes, function(prefix) {\n    var name = prefix + 'app';\n    var candidate;\n\n    if (!appElement && (candidate = element.querySelector('[' + name.replace(':', '\\\\:') + ']'))) {\n      appElement = candidate;\n      module = candidate.getAttribute(name);\n    }\n  });\n  if (appElement) {\n    if (!isAutoBootstrapAllowed) {\n      window.console.error('AngularJS: disabling automatic bootstrap. <script> protocol indicates ' +\n          'an extension, document.location.href does not match.');\n      return;\n    }\n    config.strictDi = getNgAttribute(appElement, 'strict-di') !== null;\n    bootstrap(appElement, module ? [module] : [], config);\n  }\n}\n\n/**\n * @ngdoc function\n * @name angular.bootstrap\n * @module ng\n * @description\n * Use this function to manually start up AngularJS application.\n *\n * For more information, see the {@link guide/bootstrap Bootstrap guide}.\n *\n * AngularJS will detect if it has been loaded into the browser more than once and only allow the\n * first loaded script to be bootstrapped and will report a warning to the browser console for\n * each of the subsequent scripts. This prevents strange results in applications, where otherwise\n * multiple instances of AngularJS try to work on the DOM.\n *\n * <div class=\"alert alert-warning\">\n * **Note:** Protractor based end-to-end tests cannot use this function to bootstrap manually.\n * They must use {@link ng.directive:ngApp ngApp}.\n * </div>\n *\n * <div class=\"alert alert-warning\">\n * **Note:** Do not bootstrap the app on an element with a directive that uses {@link ng.$compile#transclusion transclusion},\n * such as {@link ng.ngIf `ngIf`}, {@link ng.ngInclude `ngInclude`} and {@link ngRoute.ngView `ngView`}.\n * Doing this misplaces the app {@link ng.$rootElement `$rootElement`} and the app's {@link auto.$injector injector},\n * causing animations to stop working and making the injector inaccessible from outside the app.\n * </div>\n *\n * ```html\n * <!doctype html>\n * <html>\n * <body>\n * <div ng-controller=\"WelcomeController\">\n *   {{greeting}}\n * </div>\n *\n * <script src=\"angular.js\"></script>\n * <script>\n *   var app = angular.module('demo', [])\n *   .controller('WelcomeController', function($scope) {\n *       $scope.greeting = 'Welcome!';\n *   });\n *   angular.bootstrap(document, ['demo']);\n * </script>\n * </body>\n * </html>\n * ```\n *\n * @param {DOMElement} element DOM element which is the root of AngularJS application.\n * @param {Array<String|Function|Array>=} modules an array of modules to load into the application.\n *     Each item in the array should be the name of a predefined module or a (DI annotated)\n *     function that will be invoked by the injector as a `config` block.\n *     See: {@link angular.module modules}\n * @param {Object=} config an object for defining configuration options for the application. The\n *     following keys are supported:\n *\n * * `strictDi` - disable automatic function annotation for the application. This is meant to\n *   assist in finding bugs which break minified code. Defaults to `false`.\n *\n * @returns {auto.$injector} Returns the newly created injector for this app.\n */\nfunction bootstrap(element, modules, config) {\n  if (!isObject(config)) config = {};\n  var defaultConfig = {\n    strictDi: false\n  };\n  config = extend(defaultConfig, config);\n  var doBootstrap = function() {\n    element = jqLite(element);\n\n    if (element.injector()) {\n      var tag = (element[0] === window.document) ? 'document' : startingTag(element);\n      // Encode angle brackets to prevent input from being sanitized to empty string #8683.\n      throw ngMinErr(\n          'btstrpd',\n          'App already bootstrapped with this element \\'{0}\\'',\n          tag.replace(/</,'&lt;').replace(/>/,'&gt;'));\n    }\n\n    modules = modules || [];\n    modules.unshift(['$provide', function($provide) {\n      $provide.value('$rootElement', element);\n    }]);\n\n    if (config.debugInfoEnabled) {\n      // Pushing so that this overrides `debugInfoEnabled` setting defined in user's `modules`.\n      modules.push(['$compileProvider', function($compileProvider) {\n        $compileProvider.debugInfoEnabled(true);\n      }]);\n    }\n\n    modules.unshift('ng');\n    var injector = createInjector(modules, config.strictDi);\n    injector.invoke(['$rootScope', '$rootElement', '$compile', '$injector',\n       function bootstrapApply(scope, element, compile, injector) {\n        scope.$apply(function() {\n          element.data('$injector', injector);\n          compile(element)(scope);\n        });\n      }]\n    );\n    return injector;\n  };\n\n  var NG_ENABLE_DEBUG_INFO = /^NG_ENABLE_DEBUG_INFO!/;\n  var NG_DEFER_BOOTSTRAP = /^NG_DEFER_BOOTSTRAP!/;\n\n  if (window && NG_ENABLE_DEBUG_INFO.test(window.name)) {\n    config.debugInfoEnabled = true;\n    window.name = window.name.replace(NG_ENABLE_DEBUG_INFO, '');\n  }\n\n  if (window && !NG_DEFER_BOOTSTRAP.test(window.name)) {\n    return doBootstrap();\n  }\n\n  window.name = window.name.replace(NG_DEFER_BOOTSTRAP, '');\n  angular.resumeBootstrap = function(extraModules) {\n    forEach(extraModules, function(module) {\n      modules.push(module);\n    });\n    return doBootstrap();\n  };\n\n  if (isFunction(angular.resumeDeferredBootstrap)) {\n    angular.resumeDeferredBootstrap();\n  }\n}\n\n/**\n * @ngdoc function\n * @name angular.reloadWithDebugInfo\n * @module ng\n * @description\n * Use this function to reload the current application with debug information turned on.\n * This takes precedence over a call to `$compileProvider.debugInfoEnabled(false)`.\n *\n * See {@link ng.$compileProvider#debugInfoEnabled} for more.\n */\nfunction reloadWithDebugInfo() {\n  window.name = 'NG_ENABLE_DEBUG_INFO!' + window.name;\n  window.location.reload();\n}\n\n/**\n * @name angular.getTestability\n * @module ng\n * @description\n * Get the testability service for the instance of AngularJS on the given\n * element.\n * @param {DOMElement} element DOM element which is the root of AngularJS application.\n */\nfunction getTestability(rootElement) {\n  var injector = angular.element(rootElement).injector();\n  if (!injector) {\n    throw ngMinErr('test',\n      'no injector found for element argument to getTestability');\n  }\n  return injector.get('$$testability');\n}\n\nvar SNAKE_CASE_REGEXP = /[A-Z]/g;\nfunction snake_case(name, separator) {\n  separator = separator || '_';\n  return name.replace(SNAKE_CASE_REGEXP, function(letter, pos) {\n    return (pos ? separator : '') + letter.toLowerCase();\n  });\n}\n\nvar bindJQueryFired = false;\nfunction bindJQuery() {\n  var originalCleanData;\n\n  if (bindJQueryFired) {\n    return;\n  }\n\n  // bind to jQuery if present;\n  var jqName = jq();\n  jQuery = isUndefined(jqName) ? window.jQuery :   // use jQuery (if present)\n           !jqName             ? undefined     :   // use jqLite\n                                 window[jqName];   // use jQuery specified by `ngJq`\n\n  // Use jQuery if it exists with proper functionality, otherwise default to us.\n  // AngularJS 1.2+ requires jQuery 1.7+ for on()/off() support.\n  // AngularJS 1.3+ technically requires at least jQuery 2.1+ but it may work with older\n  // versions. It will not work for sure with jQuery <1.7, though.\n  if (jQuery && jQuery.fn.on) {\n    jqLite = jQuery;\n    extend(jQuery.fn, {\n      scope: JQLitePrototype.scope,\n      isolateScope: JQLitePrototype.isolateScope,\n      controller: /** @type {?} */ (JQLitePrototype).controller,\n      injector: JQLitePrototype.injector,\n      inheritedData: JQLitePrototype.inheritedData\n    });\n  } else {\n    jqLite = JQLite;\n  }\n\n  // All nodes removed from the DOM via various jqLite/jQuery APIs like .remove()\n  // are passed through jqLite/jQuery.cleanData. Monkey-patch this method to fire\n  // the $destroy event on all removed nodes.\n  originalCleanData = jqLite.cleanData;\n  jqLite.cleanData = function(elems) {\n    var events;\n    for (var i = 0, elem; (elem = elems[i]) != null; i++) {\n      events = (jqLite._data(elem) || {}).events;\n      if (events && events.$destroy) {\n        jqLite(elem).triggerHandler('$destroy');\n      }\n    }\n    originalCleanData(elems);\n  };\n\n  angular.element = jqLite;\n\n  // Prevent double-proxying.\n  bindJQueryFired = true;\n}\n\n/**\n * throw error if the argument is falsy.\n */\nfunction assertArg(arg, name, reason) {\n  if (!arg) {\n    throw ngMinErr('areq', 'Argument \\'{0}\\' is {1}', (name || '?'), (reason || 'required'));\n  }\n  return arg;\n}\n\nfunction assertArgFn(arg, name, acceptArrayAnnotation) {\n  if (acceptArrayAnnotation && isArray(arg)) {\n      arg = arg[arg.length - 1];\n  }\n\n  assertArg(isFunction(arg), name, 'not a function, got ' +\n      (arg && typeof arg === 'object' ? arg.constructor.name || 'Object' : typeof arg));\n  return arg;\n}\n\n/**\n * throw error if the name given is hasOwnProperty\n * @param  {String} name    the name to test\n * @param  {String} context the context in which the name is used, such as module or directive\n */\nfunction assertNotHasOwnProperty(name, context) {\n  if (name === 'hasOwnProperty') {\n    throw ngMinErr('badname', 'hasOwnProperty is not a valid {0} name', context);\n  }\n}\n\n/**\n * Return the value accessible from the object by path. Any undefined traversals are ignored\n * @param {Object} obj starting object\n * @param {String} path path to traverse\n * @param {boolean} [bindFnToScope=true]\n * @returns {Object} value as accessible by path\n */\n//TODO(misko): this function needs to be removed\nfunction getter(obj, path, bindFnToScope) {\n  if (!path) return obj;\n  var keys = path.split('.');\n  var key;\n  var lastInstance = obj;\n  var len = keys.length;\n\n  for (var i = 0; i < len; i++) {\n    key = keys[i];\n    if (obj) {\n      obj = (lastInstance = obj)[key];\n    }\n  }\n  if (!bindFnToScope && isFunction(obj)) {\n    return bind(lastInstance, obj);\n  }\n  return obj;\n}\n\n/**\n * Return the DOM siblings between the first and last node in the given array.\n * @param {Array} array like object\n * @returns {Array} the inputted object or a jqLite collection containing the nodes\n */\nfunction getBlockNodes(nodes) {\n  // TODO(perf): update `nodes` instead of creating a new object?\n  var node = nodes[0];\n  var endNode = nodes[nodes.length - 1];\n  var blockNodes;\n\n  for (var i = 1; node !== endNode && (node = node.nextSibling); i++) {\n    if (blockNodes || nodes[i] !== node) {\n      if (!blockNodes) {\n        blockNodes = jqLite(slice.call(nodes, 0, i));\n      }\n      blockNodes.push(node);\n    }\n  }\n\n  return blockNodes || nodes;\n}\n\n\n/**\n * Creates a new object without a prototype. This object is useful for lookup without having to\n * guard against prototypically inherited properties via hasOwnProperty.\n *\n * Related micro-benchmarks:\n * - http://jsperf.com/object-create2\n * - http://jsperf.com/proto-map-lookup/2\n * - http://jsperf.com/for-in-vs-object-keys2\n *\n * @returns {Object}\n */\nfunction createMap() {\n  return Object.create(null);\n}\n\nfunction stringify(value) {\n  if (value == null) { // null || undefined\n    return '';\n  }\n  switch (typeof value) {\n    case 'string':\n      break;\n    case 'number':\n      value = '' + value;\n      break;\n    default:\n      if (hasCustomToString(value) && !isArray(value) && !isDate(value)) {\n        value = value.toString();\n      } else {\n        value = toJson(value);\n      }\n  }\n\n  return value;\n}\n\nvar NODE_TYPE_ELEMENT = 1;\nvar NODE_TYPE_ATTRIBUTE = 2;\nvar NODE_TYPE_TEXT = 3;\nvar NODE_TYPE_COMMENT = 8;\nvar NODE_TYPE_DOCUMENT = 9;\nvar NODE_TYPE_DOCUMENT_FRAGMENT = 11;\n\n/**\n * @ngdoc type\n * @name angular.Module\n * @module ng\n * @description\n *\n * Interface for configuring AngularJS {@link angular.module modules}.\n */\n\nfunction setupModuleLoader(window) {\n\n  var $injectorMinErr = minErr('$injector');\n  var ngMinErr = minErr('ng');\n\n  function ensure(obj, name, factory) {\n    return obj[name] || (obj[name] = factory());\n  }\n\n  var angular = ensure(window, 'angular', Object);\n\n  // We need to expose `angular.$$minErr` to modules such as `ngResource` that reference it during bootstrap\n  angular.$$minErr = angular.$$minErr || minErr;\n\n  return ensure(angular, 'module', function() {\n    /** @type {Object.<string, angular.Module>} */\n    var modules = {};\n\n    /**\n     * @ngdoc function\n     * @name angular.module\n     * @module ng\n     * @description\n     *\n     * The `angular.module` is a global place for creating, registering and retrieving AngularJS\n     * modules.\n     * All modules (AngularJS core or 3rd party) that should be available to an application must be\n     * registered using this mechanism.\n     *\n     * Passing one argument retrieves an existing {@link angular.Module},\n     * whereas passing more than one argument creates a new {@link angular.Module}\n     *\n     *\n     * # Module\n     *\n     * A module is a collection of services, directives, controllers, filters, and configuration information.\n     * `angular.module` is used to configure the {@link auto.$injector $injector}.\n     *\n     * ```js\n     * // Create a new module\n     * var myModule = angular.module('myModule', []);\n     *\n     * // register a new service\n     * myModule.value('appName', 'MyCoolApp');\n     *\n     * // configure existing services inside initialization blocks.\n     * myModule.config(['$locationProvider', function($locationProvider) {\n     *   // Configure existing providers\n     *   $locationProvider.hashPrefix('!');\n     * }]);\n     * ```\n     *\n     * Then you can create an injector and load your modules like this:\n     *\n     * ```js\n     * var injector = angular.injector(['ng', 'myModule'])\n     * ```\n     *\n     * However it's more likely that you'll just use\n     * {@link ng.directive:ngApp ngApp} or\n     * {@link angular.bootstrap} to simplify this process for you.\n     *\n     * @param {!string} name The name of the module to create or retrieve.\n     * @param {!Array.<string>=} requires If specified then new module is being created. If\n     *        unspecified then the module is being retrieved for further configuration.\n     * @param {Function=} configFn Optional configuration function for the module. Same as\n     *        {@link angular.Module#config Module#config()}.\n     * @returns {angular.Module} new module with the {@link angular.Module} api.\n     */\n    return function module(name, requires, configFn) {\n\n      var info = {};\n\n      var assertNotHasOwnProperty = function(name, context) {\n        if (name === 'hasOwnProperty') {\n          throw ngMinErr('badname', 'hasOwnProperty is not a valid {0} name', context);\n        }\n      };\n\n      assertNotHasOwnProperty(name, 'module');\n      if (requires && modules.hasOwnProperty(name)) {\n        modules[name] = null;\n      }\n      return ensure(modules, name, function() {\n        if (!requires) {\n          throw $injectorMinErr('nomod', 'Module \\'{0}\\' is not available! You either misspelled ' +\n             'the module name or forgot to load it. If registering a module ensure that you ' +\n             'specify the dependencies as the second argument.', name);\n        }\n\n        /** @type {!Array.<Array.<*>>} */\n        var invokeQueue = [];\n\n        /** @type {!Array.<Function>} */\n        var configBlocks = [];\n\n        /** @type {!Array.<Function>} */\n        var runBlocks = [];\n\n        var config = invokeLater('$injector', 'invoke', 'push', configBlocks);\n\n        /** @type {angular.Module} */\n        var moduleInstance = {\n          // Private state\n          _invokeQueue: invokeQueue,\n          _configBlocks: configBlocks,\n          _runBlocks: runBlocks,\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#info\n           * @module ng\n           *\n           * @param {Object=} info Information about the module\n           * @returns {Object|Module} The current info object for this module if called as a getter,\n           *                          or `this` if called as a setter.\n           *\n           * @description\n           * Read and write custom information about this module.\n           * For example you could put the version of the module in here.\n           *\n           * ```js\n           * angular.module('myModule', []).info({ version: '1.0.0' });\n           * ```\n           *\n           * The version could then be read back out by accessing the module elsewhere:\n           *\n           * ```\n           * var version = angular.module('myModule').info().version;\n           * ```\n           *\n           * You can also retrieve this information during runtime via the\n           * {@link $injector#modules `$injector.modules`} property:\n           *\n           * ```js\n           * var version = $injector.modules['myModule'].info().version;\n           * ```\n           */\n          info: function(value) {\n            if (isDefined(value)) {\n              if (!isObject(value)) throw ngMinErr('aobj', 'Argument \\'{0}\\' must be an object', 'value');\n              info = value;\n              return this;\n            }\n            return info;\n          },\n\n          /**\n           * @ngdoc property\n           * @name angular.Module#requires\n           * @module ng\n           *\n           * @description\n           * Holds the list of modules which the injector will load before the current module is\n           * loaded.\n           */\n          requires: requires,\n\n          /**\n           * @ngdoc property\n           * @name angular.Module#name\n           * @module ng\n           *\n           * @description\n           * Name of the module.\n           */\n          name: name,\n\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#provider\n           * @module ng\n           * @param {string} name service name\n           * @param {Function} providerType Construction function for creating new instance of the\n           *                                service.\n           * @description\n           * See {@link auto.$provide#provider $provide.provider()}.\n           */\n          provider: invokeLaterAndSetModuleName('$provide', 'provider'),\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#factory\n           * @module ng\n           * @param {string} name service name\n           * @param {Function} providerFunction Function for creating new instance of the service.\n           * @description\n           * See {@link auto.$provide#factory $provide.factory()}.\n           */\n          factory: invokeLaterAndSetModuleName('$provide', 'factory'),\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#service\n           * @module ng\n           * @param {string} name service name\n           * @param {Function} constructor A constructor function that will be instantiated.\n           * @description\n           * See {@link auto.$provide#service $provide.service()}.\n           */\n          service: invokeLaterAndSetModuleName('$provide', 'service'),\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#value\n           * @module ng\n           * @param {string} name service name\n           * @param {*} object Service instance object.\n           * @description\n           * See {@link auto.$provide#value $provide.value()}.\n           */\n          value: invokeLater('$provide', 'value'),\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#constant\n           * @module ng\n           * @param {string} name constant name\n           * @param {*} object Constant value.\n           * @description\n           * Because the constants are fixed, they get applied before other provide methods.\n           * See {@link auto.$provide#constant $provide.constant()}.\n           */\n          constant: invokeLater('$provide', 'constant', 'unshift'),\n\n           /**\n           * @ngdoc method\n           * @name angular.Module#decorator\n           * @module ng\n           * @param {string} name The name of the service to decorate.\n           * @param {Function} decorFn This function will be invoked when the service needs to be\n           *                           instantiated and should return the decorated service instance.\n           * @description\n           * See {@link auto.$provide#decorator $provide.decorator()}.\n           */\n          decorator: invokeLaterAndSetModuleName('$provide', 'decorator', configBlocks),\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#animation\n           * @module ng\n           * @param {string} name animation name\n           * @param {Function} animationFactory Factory function for creating new instance of an\n           *                                    animation.\n           * @description\n           *\n           * **NOTE**: animations take effect only if the **ngAnimate** module is loaded.\n           *\n           *\n           * Defines an animation hook that can be later used with\n           * {@link $animate $animate} service and directives that use this service.\n           *\n           * ```js\n           * module.animation('.animation-name', function($inject1, $inject2) {\n           *   return {\n           *     eventName : function(element, done) {\n           *       //code to run the animation\n           *       //once complete, then run done()\n           *       return function cancellationFunction(element) {\n           *         //code to cancel the animation\n           *       }\n           *     }\n           *   }\n           * })\n           * ```\n           *\n           * See {@link ng.$animateProvider#register $animateProvider.register()} and\n           * {@link ngAnimate ngAnimate module} for more information.\n           */\n          animation: invokeLaterAndSetModuleName('$animateProvider', 'register'),\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#filter\n           * @module ng\n           * @param {string} name Filter name - this must be a valid AngularJS expression identifier\n           * @param {Function} filterFactory Factory function for creating new instance of filter.\n           * @description\n           * See {@link ng.$filterProvider#register $filterProvider.register()}.\n           *\n           * <div class=\"alert alert-warning\">\n           * **Note:** Filter names must be valid AngularJS {@link expression} identifiers, such as `uppercase` or `orderBy`.\n           * Names with special characters, such as hyphens and dots, are not allowed. If you wish to namespace\n           * your filters, then you can use capitalization (`myappSubsectionFilterx`) or underscores\n           * (`myapp_subsection_filterx`).\n           * </div>\n           */\n          filter: invokeLaterAndSetModuleName('$filterProvider', 'register'),\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#controller\n           * @module ng\n           * @param {string|Object} name Controller name, or an object map of controllers where the\n           *    keys are the names and the values are the constructors.\n           * @param {Function} constructor Controller constructor function.\n           * @description\n           * See {@link ng.$controllerProvider#register $controllerProvider.register()}.\n           */\n          controller: invokeLaterAndSetModuleName('$controllerProvider', 'register'),\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#directive\n           * @module ng\n           * @param {string|Object} name Directive name, or an object map of directives where the\n           *    keys are the names and the values are the factories.\n           * @param {Function} directiveFactory Factory function for creating new instance of\n           * directives.\n           * @description\n           * See {@link ng.$compileProvider#directive $compileProvider.directive()}.\n           */\n          directive: invokeLaterAndSetModuleName('$compileProvider', 'directive'),\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#component\n           * @module ng\n           * @param {string|Object} name Name of the component in camelCase (i.e. `myComp` which will match `<my-comp>`),\n           *    or an object map of components where the keys are the names and the values are the component definition objects.\n           * @param {Object} options Component definition object (a simplified\n           *    {@link ng.$compile#directive-definition-object directive definition object})\n           *\n           * @description\n           * See {@link ng.$compileProvider#component $compileProvider.component()}.\n           */\n          component: invokeLaterAndSetModuleName('$compileProvider', 'component'),\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#config\n           * @module ng\n           * @param {Function} configFn Execute this function on module load. Useful for service\n           *    configuration.\n           * @description\n           * Use this method to configure services by injecting their\n           * {@link angular.Module#provider `providers`}, e.g. for adding routes to the\n           * {@link ngRoute.$routeProvider $routeProvider}.\n           *\n           * Note that you can only inject {@link angular.Module#provider `providers`} and\n           * {@link angular.Module#constant `constants`} into this function.\n           *\n           * For more about how to configure services, see\n           * {@link providers#provider-recipe Provider Recipe}.\n           */\n          config: config,\n\n          /**\n           * @ngdoc method\n           * @name angular.Module#run\n           * @module ng\n           * @param {Function} initializationFn Execute this function after injector creation.\n           *    Useful for application initialization.\n           * @description\n           * Use this method to register work which should be performed when the injector is done\n           * loading all modules.\n           */\n          run: function(block) {\n            runBlocks.push(block);\n            return this;\n          }\n        };\n\n        if (configFn) {\n          config(configFn);\n        }\n\n        return moduleInstance;\n\n        /**\n         * @param {string} provider\n         * @param {string} method\n         * @param {String=} insertMethod\n         * @returns {angular.Module}\n         */\n        function invokeLater(provider, method, insertMethod, queue) {\n          if (!queue) queue = invokeQueue;\n          return function() {\n            queue[insertMethod || 'push']([provider, method, arguments]);\n            return moduleInstance;\n          };\n        }\n\n        /**\n         * @param {string} provider\n         * @param {string} method\n         * @returns {angular.Module}\n         */\n        function invokeLaterAndSetModuleName(provider, method, queue) {\n          if (!queue) queue = invokeQueue;\n          return function(recipeName, factoryFunction) {\n            if (factoryFunction && isFunction(factoryFunction)) factoryFunction.$$moduleName = name;\n            queue.push([provider, method, arguments]);\n            return moduleInstance;\n          };\n        }\n      });\n    };\n  });\n\n}\n\n/* global shallowCopy: true */\n\n/**\n * Creates a shallow copy of an object, an array or a primitive.\n *\n * Assumes that there are no proto properties for objects.\n */\nfunction shallowCopy(src, dst) {\n  if (isArray(src)) {\n    dst = dst || [];\n\n    for (var i = 0, ii = src.length; i < ii; i++) {\n      dst[i] = src[i];\n    }\n  } else if (isObject(src)) {\n    dst = dst || {};\n\n    for (var key in src) {\n      if (!(key.charAt(0) === '$' && key.charAt(1) === '$')) {\n        dst[key] = src[key];\n      }\n    }\n  }\n\n  return dst || src;\n}\n\n/* exported toDebugString */\n\nfunction serializeObject(obj, maxDepth) {\n  var seen = [];\n\n  // There is no direct way to stringify object until reaching a specific depth\n  // and a very deep object can cause a performance issue, so we copy the object\n  // based on this specific depth and then stringify it.\n  if (isValidObjectMaxDepth(maxDepth)) {\n    // This file is also included in `angular-loader`, so `copy()` might not always be available in\n    // the closure. Therefore, it is lazily retrieved as `angular.copy()` when needed.\n    obj = angular.copy(obj, null, maxDepth);\n  }\n  return JSON.stringify(obj, function(key, val) {\n    val = toJsonReplacer(key, val);\n    if (isObject(val)) {\n\n      if (seen.indexOf(val) >= 0) return '...';\n\n      seen.push(val);\n    }\n    return val;\n  });\n}\n\nfunction toDebugString(obj, maxDepth) {\n  if (typeof obj === 'function') {\n    return obj.toString().replace(/ \\{[\\s\\S]*$/, '');\n  } else if (isUndefined(obj)) {\n    return 'undefined';\n  } else if (typeof obj !== 'string') {\n    return serializeObject(obj, maxDepth);\n  }\n  return obj;\n}\n\n/* global angularModule: true,\n  version: true,\n\n  $CompileProvider,\n\n  htmlAnchorDirective,\n  inputDirective,\n  hiddenInputBrowserCacheDirective,\n  formDirective,\n  scriptDirective,\n  selectDirective,\n  optionDirective,\n  ngBindDirective,\n  ngBindHtmlDirective,\n  ngBindTemplateDirective,\n  ngClassDirective,\n  ngClassEvenDirective,\n  ngClassOddDirective,\n  ngCloakDirective,\n  ngControllerDirective,\n  ngFormDirective,\n  ngHideDirective,\n  ngIfDirective,\n  ngIncludeDirective,\n  ngIncludeFillContentDirective,\n  ngInitDirective,\n  ngNonBindableDirective,\n  ngPluralizeDirective,\n  ngRefDirective,\n  ngRepeatDirective,\n  ngShowDirective,\n  ngStyleDirective,\n  ngSwitchDirective,\n  ngSwitchWhenDirective,\n  ngSwitchDefaultDirective,\n  ngOptionsDirective,\n  ngTranscludeDirective,\n  ngModelDirective,\n  ngListDirective,\n  ngChangeDirective,\n  patternDirective,\n  patternDirective,\n  requiredDirective,\n  requiredDirective,\n  minlengthDirective,\n  minlengthDirective,\n  maxlengthDirective,\n  maxlengthDirective,\n  ngValueDirective,\n  ngModelOptionsDirective,\n  ngAttributeAliasDirectives,\n  ngEventDirectives,\n\n  $AnchorScrollProvider,\n  $AnimateProvider,\n  $CoreAnimateCssProvider,\n  $$CoreAnimateJsProvider,\n  $$CoreAnimateQueueProvider,\n  $$AnimateRunnerFactoryProvider,\n  $$AnimateAsyncRunFactoryProvider,\n  $BrowserProvider,\n  $CacheFactoryProvider,\n  $ControllerProvider,\n  $DateProvider,\n  $DocumentProvider,\n  $$IsDocumentHiddenProvider,\n  $ExceptionHandlerProvider,\n  $FilterProvider,\n  $$ForceReflowProvider,\n  $InterpolateProvider,\n  $$IntervalFactoryProvider,\n  $IntervalProvider,\n  $HttpProvider,\n  $HttpParamSerializerProvider,\n  $HttpParamSerializerJQLikeProvider,\n  $HttpBackendProvider,\n  $xhrFactoryProvider,\n  $jsonpCallbacksProvider,\n  $LocationProvider,\n  $LogProvider,\n  $$MapProvider,\n  $ParseProvider,\n  $RootScopeProvider,\n  $QProvider,\n  $$QProvider,\n  $$SanitizeUriProvider,\n  $SceProvider,\n  $SceDelegateProvider,\n  $SnifferProvider,\n  $$TaskTrackerFactoryProvider,\n  $TemplateCacheProvider,\n  $TemplateRequestProvider,\n  $$TestabilityProvider,\n  $TimeoutProvider,\n  $$RAFProvider,\n  $WindowProvider,\n  $$jqLiteProvider,\n  $$CookieReaderProvider\n*/\n\n\n/**\n * @ngdoc object\n * @name angular.version\n * @module ng\n * @description\n * An object that contains information about the current AngularJS version.\n *\n * This object has the following properties:\n *\n * - `full` – `{string}` – Full version string, such as \"0.9.18\".\n * - `major` – `{number}` – Major version number, such as \"0\".\n * - `minor` – `{number}` – Minor version number, such as \"9\".\n * - `dot` – `{number}` – Dot version number, such as \"18\".\n * - `codeName` – `{string}` – Code name of the release, such as \"jiggling-armfat\".\n */\nvar version = {\n  // These placeholder strings will be replaced by grunt's `build` task.\n  // They need to be double- or single-quoted.\n  full: '1.7.9',\n  major: 1,\n  minor: 7,\n  dot: 9,\n  codeName: 'pollution-eradication'\n};\n\n\nfunction publishExternalAPI(angular) {\n  extend(angular, {\n    'errorHandlingConfig': errorHandlingConfig,\n    'bootstrap': bootstrap,\n    'copy': copy,\n    'extend': extend,\n    'merge': merge,\n    'equals': equals,\n    'element': jqLite,\n    'forEach': forEach,\n    'injector': createInjector,\n    'noop': noop,\n    'bind': bind,\n    'toJson': toJson,\n    'fromJson': fromJson,\n    'identity': identity,\n    'isUndefined': isUndefined,\n    'isDefined': isDefined,\n    'isString': isString,\n    'isFunction': isFunction,\n    'isObject': isObject,\n    'isNumber': isNumber,\n    'isElement': isElement,\n    'isArray': isArray,\n    'version': version,\n    'isDate': isDate,\n    'callbacks': {$$counter: 0},\n    'getTestability': getTestability,\n    'reloadWithDebugInfo': reloadWithDebugInfo,\n    '$$minErr': minErr,\n    '$$csp': csp,\n    '$$encodeUriSegment': encodeUriSegment,\n    '$$encodeUriQuery': encodeUriQuery,\n    '$$lowercase': lowercase,\n    '$$stringify': stringify,\n    '$$uppercase': uppercase\n  });\n\n  angularModule = setupModuleLoader(window);\n\n  angularModule('ng', ['ngLocale'], ['$provide',\n    function ngModule($provide) {\n      // $$sanitizeUriProvider needs to be before $compileProvider as it is used by it.\n      $provide.provider({\n        $$sanitizeUri: $$SanitizeUriProvider\n      });\n      $provide.provider('$compile', $CompileProvider).\n        directive({\n            a: htmlAnchorDirective,\n            input: inputDirective,\n            textarea: inputDirective,\n            form: formDirective,\n            script: scriptDirective,\n            select: selectDirective,\n            option: optionDirective,\n            ngBind: ngBindDirective,\n            ngBindHtml: ngBindHtmlDirective,\n            ngBindTemplate: ngBindTemplateDirective,\n            ngClass: ngClassDirective,\n            ngClassEven: ngClassEvenDirective,\n            ngClassOdd: ngClassOddDirective,\n            ngCloak: ngCloakDirective,\n            ngController: ngControllerDirective,\n            ngForm: ngFormDirective,\n            ngHide: ngHideDirective,\n            ngIf: ngIfDirective,\n            ngInclude: ngIncludeDirective,\n            ngInit: ngInitDirective,\n            ngNonBindable: ngNonBindableDirective,\n            ngPluralize: ngPluralizeDirective,\n            ngRef: ngRefDirective,\n            ngRepeat: ngRepeatDirective,\n            ngShow: ngShowDirective,\n            ngStyle: ngStyleDirective,\n            ngSwitch: ngSwitchDirective,\n            ngSwitchWhen: ngSwitchWhenDirective,\n            ngSwitchDefault: ngSwitchDefaultDirective,\n            ngOptions: ngOptionsDirective,\n            ngTransclude: ngTranscludeDirective,\n            ngModel: ngModelDirective,\n            ngList: ngListDirective,\n            ngChange: ngChangeDirective,\n            pattern: patternDirective,\n            ngPattern: patternDirective,\n            required: requiredDirective,\n            ngRequired: requiredDirective,\n            minlength: minlengthDirective,\n            ngMinlength: minlengthDirective,\n            maxlength: maxlengthDirective,\n            ngMaxlength: maxlengthDirective,\n            ngValue: ngValueDirective,\n            ngModelOptions: ngModelOptionsDirective\n        }).\n        directive({\n          ngInclude: ngIncludeFillContentDirective,\n          input: hiddenInputBrowserCacheDirective\n        }).\n        directive(ngAttributeAliasDirectives).\n        directive(ngEventDirectives);\n      $provide.provider({\n        $anchorScroll: $AnchorScrollProvider,\n        $animate: $AnimateProvider,\n        $animateCss: $CoreAnimateCssProvider,\n        $$animateJs: $$CoreAnimateJsProvider,\n        $$animateQueue: $$CoreAnimateQueueProvider,\n        $$AnimateRunner: $$AnimateRunnerFactoryProvider,\n        $$animateAsyncRun: $$AnimateAsyncRunFactoryProvider,\n        $browser: $BrowserProvider,\n        $cacheFactory: $CacheFactoryProvider,\n        $controller: $ControllerProvider,\n        $document: $DocumentProvider,\n        $$isDocumentHidden: $$IsDocumentHiddenProvider,\n        $exceptionHandler: $ExceptionHandlerProvider,\n        $filter: $FilterProvider,\n        $$forceReflow: $$ForceReflowProvider,\n        $interpolate: $InterpolateProvider,\n        $interval: $IntervalProvider,\n        $$intervalFactory: $$IntervalFactoryProvider,\n        $http: $HttpProvider,\n        $httpParamSerializer: $HttpParamSerializerProvider,\n        $httpParamSerializerJQLike: $HttpParamSerializerJQLikeProvider,\n        $httpBackend: $HttpBackendProvider,\n        $xhrFactory: $xhrFactoryProvider,\n        $jsonpCallbacks: $jsonpCallbacksProvider,\n        $location: $LocationProvider,\n        $log: $LogProvider,\n        $parse: $ParseProvider,\n        $rootScope: $RootScopeProvider,\n        $q: $QProvider,\n        $$q: $$QProvider,\n        $sce: $SceProvider,\n        $sceDelegate: $SceDelegateProvider,\n        $sniffer: $SnifferProvider,\n        $$taskTrackerFactory: $$TaskTrackerFactoryProvider,\n        $templateCache: $TemplateCacheProvider,\n        $templateRequest: $TemplateRequestProvider,\n        $$testability: $$TestabilityProvider,\n        $timeout: $TimeoutProvider,\n        $window: $WindowProvider,\n        $$rAF: $$RAFProvider,\n        $$jqLite: $$jqLiteProvider,\n        $$Map: $$MapProvider,\n        $$cookieReader: $$CookieReaderProvider\n      });\n    }\n  ])\n  .info({ angularVersion: '1.7.9' });\n}\n\n/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n *     Any commits to this file should be reviewed with security in mind.  *\n *   Changes to this file can potentially create security vulnerabilities. *\n *          An approval from 2 Core members with history of modifying      *\n *                         this file is required.                          *\n *                                                                         *\n *  Does the change somehow allow for arbitrary javascript to be executed? *\n *    Or allows for someone to change the prototype of built-in objects?   *\n *     Or gives undesired access to variables likes document or window?    *\n * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */\n\n/* global\n  JQLitePrototype: true,\n  BOOLEAN_ATTR: true,\n  ALIASED_ATTR: true\n*/\n\n//////////////////////////////////\n//JQLite\n//////////////////////////////////\n\n/**\n * @ngdoc function\n * @name angular.element\n * @module ng\n * @kind function\n *\n * @description\n * Wraps a raw DOM element or HTML string as a [jQuery](http://jquery.com) element.\n *\n * If jQuery is available, `angular.element` is an alias for the\n * [jQuery](http://api.jquery.com/jQuery/) function. If jQuery is not available, `angular.element`\n * delegates to AngularJS's built-in subset of jQuery, called \"jQuery lite\" or **jqLite**.\n *\n * jqLite is a tiny, API-compatible subset of jQuery that allows\n * AngularJS to manipulate the DOM in a cross-browser compatible way. jqLite implements only the most\n * commonly needed functionality with the goal of having a very small footprint.\n *\n * To use `jQuery`, simply ensure it is loaded before the `angular.js` file. You can also use the\n * {@link ngJq `ngJq`} directive to specify that jqlite should be used over jQuery, or to use a\n * specific version of jQuery if multiple versions exist on the page.\n *\n * <div class=\"alert alert-info\">**Note:** All element references in AngularJS are always wrapped with jQuery or\n * jqLite (such as the element argument in a directive's compile / link function). They are never raw DOM references.</div>\n *\n * <div class=\"alert alert-warning\">**Note:** Keep in mind that this function will not find elements\n * by tag name / CSS selector. For lookups by tag name, try instead `angular.element(document).find(...)`\n * or `$document.find()`, or use the standard DOM APIs, e.g. `document.querySelectorAll()`.</div>\n *\n * ## AngularJS's jqLite\n * jqLite provides only the following jQuery methods:\n *\n * - [`addClass()`](http://api.jquery.com/addClass/) - Does not support a function as first argument\n * - [`after()`](http://api.jquery.com/after/)\n * - [`append()`](http://api.jquery.com/append/) - Contrary to jQuery, this doesn't clone elements\n *   so will not work correctly when invoked on a jqLite object containing more than one DOM node\n * - [`attr()`](http://api.jquery.com/attr/) - Does not support functions as parameters\n * - [`bind()`](http://api.jquery.com/bind/) (_deprecated_, use [`on()`](http://api.jquery.com/on/)) - Does not support namespaces, selectors or eventData\n * - [`children()`](http://api.jquery.com/children/) - Does not support selectors\n * - [`clone()`](http://api.jquery.com/clone/)\n * - [`contents()`](http://api.jquery.com/contents/)\n * - [`css()`](http://api.jquery.com/css/) - Only retrieves inline-styles, does not call `getComputedStyle()`.\n *   As a setter, does not convert numbers to strings or append 'px', and also does not have automatic property prefixing.\n * - [`data()`](http://api.jquery.com/data/)\n * - [`detach()`](http://api.jquery.com/detach/)\n * - [`empty()`](http://api.jquery.com/empty/)\n * - [`eq()`](http://api.jquery.com/eq/)\n * - [`find()`](http://api.jquery.com/find/) - Limited to lookups by tag name\n * - [`hasClass()`](http://api.jquery.com/hasClass/)\n * - [`html()`](http://api.jquery.com/html/)\n * - [`next()`](http://api.jquery.com/next/) - Does not support selectors\n * - [`on()`](http://api.jquery.com/on/) - Does not support namespaces, selectors or eventData\n * - [`off()`](http://api.jquery.com/off/) - Does not support namespaces, selectors or event object as parameter\n * - [`one()`](http://api.jquery.com/one/) - Does not support namespaces or selectors\n * - [`parent()`](http://api.jquery.com/parent/) - Does not support selectors\n * - [`prepend()`](http://api.jquery.com/prepend/)\n * - [`prop()`](http://api.jquery.com/prop/)\n * - [`ready()`](http://api.jquery.com/ready/) (_deprecated_, use `angular.element(callback)` instead of `angular.element(document).ready(callback)`)\n * - [`remove()`](http://api.jquery.com/remove/)\n * - [`removeAttr()`](http://api.jquery.com/removeAttr/) - Does not support multiple attributes\n * - [`removeClass()`](http://api.jquery.com/removeClass/) - Does not support a function as first argument\n * - [`removeData()`](http://api.jquery.com/removeData/)\n * - [`replaceWith()`](http://api.jquery.com/replaceWith/)\n * - [`text()`](http://api.jquery.com/text/)\n * - [`toggleClass()`](http://api.jquery.com/toggleClass/) - Does not support a function as first argument\n * - [`triggerHandler()`](http://api.jquery.com/triggerHandler/) - Passes a dummy event object to handlers\n * - [`unbind()`](http://api.jquery.com/unbind/) (_deprecated_, use [`off()`](http://api.jquery.com/off/)) - Does not support namespaces or event object as parameter\n * - [`val()`](http://api.jquery.com/val/)\n * - [`wrap()`](http://api.jquery.com/wrap/)\n *\n * ## jQuery/jqLite Extras\n * AngularJS also provides the following additional methods and events to both jQuery and jqLite:\n *\n * ### Events\n * - `$destroy` - AngularJS intercepts all jqLite/jQuery's DOM destruction apis and fires this event\n *    on all DOM nodes being removed.  This can be used to clean up any 3rd party bindings to the DOM\n *    element before it is removed.\n *\n * ### Methods\n * - `controller(name)` - retrieves the controller of the current element or its parent. By default\n *   retrieves controller associated with the `ngController` directive. If `name` is provided as\n *   camelCase directive name, then the controller for this directive will be retrieved (e.g.\n *   `'ngModel'`).\n * - `injector()` - retrieves the injector of the current element or its parent.\n * - `scope()` - retrieves the {@link ng.$rootScope.Scope scope} of the current\n *   element or its parent. Requires {@link guide/production#disabling-debug-data Debug Data} to\n *   be enabled.\n * - `isolateScope()` - retrieves an isolate {@link ng.$rootScope.Scope scope} if one is attached directly to the\n *   current element. This getter should be used only on elements that contain a directive which starts a new isolate\n *   scope. Calling `scope()` on this element always returns the original non-isolate scope.\n *   Requires {@link guide/production#disabling-debug-data Debug Data} to be enabled.\n * - `inheritedData()` - same as `data()`, but walks up the DOM until a value is found or the top\n *   parent element is reached.\n *\n * @knownIssue You cannot spy on `angular.element` if you are using Jasmine version 1.x. See\n * https://github.com/angular/angular.js/issues/14251 for more information.\n *\n * @param {string|DOMElement} element HTML string or DOMElement to be wrapped into jQuery.\n * @returns {Object} jQuery object.\n */\n\nJQLite.expando = 'ng339';\n\nvar jqCache = JQLite.cache = {},\n    jqId = 1;\n\n/*\n * !!! This is an undocumented \"private\" function !!!\n */\nJQLite._data = function(node) {\n  //jQuery always returns an object on cache miss\n  return this.cache[node[this.expando]] || {};\n};\n\nfunction jqNextId() { return ++jqId; }\n\n\nvar DASH_LOWERCASE_REGEXP = /-([a-z])/g;\nvar MS_HACK_REGEXP = /^-ms-/;\nvar MOUSE_EVENT_MAP = { mouseleave: 'mouseout', mouseenter: 'mouseover' };\nvar jqLiteMinErr = minErr('jqLite');\n\n/**\n * Converts kebab-case to camelCase.\n * There is also a special case for the ms prefix starting with a lowercase letter.\n * @param name Name to normalize\n */\nfunction cssKebabToCamel(name) {\n    return kebabToCamel(name.replace(MS_HACK_REGEXP, 'ms-'));\n}\n\nfunction fnCamelCaseReplace(all, letter) {\n  return letter.toUpperCase();\n}\n\n/**\n * Converts kebab-case to camelCase.\n * @param name Name to normalize\n */\nfunction kebabToCamel(name) {\n  return name\n    .replace(DASH_LOWERCASE_REGEXP, fnCamelCaseReplace);\n}\n\nvar SINGLE_TAG_REGEXP = /^<([\\w-]+)\\s*\\/?>(?:<\\/\\1>|)$/;\nvar HTML_REGEXP = /<|&#?\\w+;/;\nvar TAG_NAME_REGEXP = /<([\\w:-]+)/;\nvar XHTML_TAG_REGEXP = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\\w:-]+)[^>]*)\\/>/gi;\n\nvar wrapMap = {\n  'option': [1, '<select multiple=\"multiple\">', '</select>'],\n\n  'thead': [1, '<table>', '</table>'],\n  'col': [2, '<table><colgroup>', '</colgroup></table>'],\n  'tr': [2, '<table><tbody>', '</tbody></table>'],\n  'td': [3, '<table><tbody><tr>', '</tr></tbody></table>'],\n  '_default': [0, '', '']\n};\n\nwrapMap.optgroup = wrapMap.option;\nwrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;\nwrapMap.th = wrapMap.td;\n\n\nfunction jqLiteIsTextNode(html) {\n  return !HTML_REGEXP.test(html);\n}\n\nfunction jqLiteAcceptsData(node) {\n  // The window object can accept data but has no nodeType\n  // Otherwise we are only interested in elements (1) and documents (9)\n  var nodeType = node.nodeType;\n  return nodeType === NODE_TYPE_ELEMENT || !nodeType || nodeType === NODE_TYPE_DOCUMENT;\n}\n\nfunction jqLiteHasData(node) {\n  for (var key in jqCache[node.ng339]) {\n    return true;\n  }\n  return false;\n}\n\nfunction jqLiteBuildFragment(html, context) {\n  var tmp, tag, wrap,\n      fragment = context.createDocumentFragment(),\n      nodes = [], i;\n\n  if (jqLiteIsTextNode(html)) {\n    // Convert non-html into a text node\n    nodes.push(context.createTextNode(html));\n  } else {\n    // Convert html into DOM nodes\n    tmp = fragment.appendChild(context.createElement('div'));\n    tag = (TAG_NAME_REGEXP.exec(html) || ['', ''])[1].toLowerCase();\n    wrap = wrapMap[tag] || wrapMap._default;\n    tmp.innerHTML = wrap[1] + html.replace(XHTML_TAG_REGEXP, '<$1></$2>') + wrap[2];\n\n    // Descend through wrappers to the right content\n    i = wrap[0];\n    while (i--) {\n      tmp = tmp.lastChild;\n    }\n\n    nodes = concat(nodes, tmp.childNodes);\n\n    tmp = fragment.firstChild;\n    tmp.textContent = '';\n  }\n\n  // Remove wrapper from fragment\n  fragment.textContent = '';\n  fragment.innerHTML = ''; // Clear inner HTML\n  forEach(nodes, function(node) {\n    fragment.appendChild(node);\n  });\n\n  return fragment;\n}\n\nfunction jqLiteParseHTML(html, context) {\n  context = context || window.document;\n  var parsed;\n\n  if ((parsed = SINGLE_TAG_REGEXP.exec(html))) {\n    return [context.createElement(parsed[1])];\n  }\n\n  if ((parsed = jqLiteBuildFragment(html, context))) {\n    return parsed.childNodes;\n  }\n\n  return [];\n}\n\nfunction jqLiteWrapNode(node, wrapper) {\n  var parent = node.parentNode;\n\n  if (parent) {\n    parent.replaceChild(wrapper, node);\n  }\n\n  wrapper.appendChild(node);\n}\n\n\n// IE9-11 has no method \"contains\" in SVG element and in Node.prototype. Bug #10259.\nvar jqLiteContains = window.Node.prototype.contains || /** @this */ function(arg) {\n  // eslint-disable-next-line no-bitwise\n  return !!(this.compareDocumentPosition(arg) & 16);\n};\n\n/////////////////////////////////////////////\nfunction JQLite(element) {\n  if (element instanceof JQLite) {\n    return element;\n  }\n\n  var argIsString;\n\n  if (isString(element)) {\n    element = trim(element);\n    argIsString = true;\n  }\n  if (!(this instanceof JQLite)) {\n    if (argIsString && element.charAt(0) !== '<') {\n      throw jqLiteMinErr('nosel', 'Looking up elements via selectors is not supported by jqLite! See: http://docs.angularjs.org/api/angular.element');\n    }\n    return new JQLite(element);\n  }\n\n  if (argIsString) {\n    jqLiteAddNodes(this, jqLiteParseHTML(element));\n  } else if (isFunction(element)) {\n    jqLiteReady(element);\n  } else {\n    jqLiteAddNodes(this, element);\n  }\n}\n\nfunction jqLiteClone(element) {\n  return element.cloneNode(true);\n}\n\nfunction jqLiteDealoc(element, onlyDescendants) {\n  if (!onlyDescendants && jqLiteAcceptsData(element)) jqLite.cleanData([element]);\n\n  if (element.querySelectorAll) {\n    jqLite.cleanData(element.querySelectorAll('*'));\n  }\n}\n\nfunction isEmptyObject(obj) {\n  var name;\n\n  for (name in obj) {\n    return false;\n  }\n  return true;\n}\n\nfunction removeIfEmptyData(element) {\n  var expandoId = element.ng339;\n  var expandoStore = expandoId && jqCache[expandoId];\n\n  var events = expandoStore && expandoStore.events;\n  var data = expandoStore && expandoStore.data;\n\n  if ((!data || isEmptyObject(data)) && (!events || isEmptyObject(events))) {\n    delete jqCache[expandoId];\n    element.ng339 = undefined; // don't delete DOM expandos. IE and Chrome don't like it\n  }\n}\n\nfunction jqLiteOff(element, type, fn, unsupported) {\n  if (isDefined(unsupported)) throw jqLiteMinErr('offargs', 'jqLite#off() does not support the `selector` argument');\n\n  var expandoStore = jqLiteExpandoStore(element);\n  var events = expandoStore && expandoStore.events;\n  var handle = expandoStore && expandoStore.handle;\n\n  if (!handle) return; //no listeners registered\n\n  if (!type) {\n    for (type in events) {\n      if (type !== '$destroy') {\n        element.removeEventListener(type, handle);\n      }\n      delete events[type];\n    }\n  } else {\n\n    var removeHandler = function(type) {\n      var listenerFns = events[type];\n      if (isDefined(fn)) {\n        arrayRemove(listenerFns || [], fn);\n      }\n      if (!(isDefined(fn) && listenerFns && listenerFns.length > 0)) {\n        element.removeEventListener(type, handle);\n        delete events[type];\n      }\n    };\n\n    forEach(type.split(' '), function(type) {\n      removeHandler(type);\n      if (MOUSE_EVENT_MAP[type]) {\n        removeHandler(MOUSE_EVENT_MAP[type]);\n      }\n    });\n  }\n\n  removeIfEmptyData(element);\n}\n\nfunction jqLiteRemoveData(element, name) {\n  var expandoId = element.ng339;\n  var expandoStore = expandoId && jqCache[expandoId];\n\n  if (expandoStore) {\n    if (name) {\n      delete expandoStore.data[name];\n    } else {\n      expandoStore.data = {};\n    }\n\n    removeIfEmptyData(element);\n  }\n}\n\n\nfunction jqLiteExpandoStore(element, createIfNecessary) {\n  var expandoId = element.ng339,\n      expandoStore = expandoId && jqCache[expandoId];\n\n  if (createIfNecessary && !expandoStore) {\n    element.ng339 = expandoId = jqNextId();\n    expandoStore = jqCache[expandoId] = {events: {}, data: {}, handle: undefined};\n  }\n\n  return expandoStore;\n}\n\n\nfunction jqLiteData(element, key, value) {\n  if (jqLiteAcceptsData(element)) {\n    var prop;\n\n    var isSimpleSetter = isDefined(value);\n    var isSimpleGetter = !isSimpleSetter && key && !isObject(key);\n    var massGetter = !key;\n    var expandoStore = jqLiteExpandoStore(element, !isSimpleGetter);\n    var data = expandoStore && expandoStore.data;\n\n    if (isSimpleSetter) { // data('key', value)\n      data[kebabToCamel(key)] = value;\n    } else {\n      if (massGetter) {  // data()\n        return data;\n      } else {\n        if (isSimpleGetter) { // data('key')\n          // don't force creation of expandoStore if it doesn't exist yet\n          return data && data[kebabToCamel(key)];\n        } else { // mass-setter: data({key1: val1, key2: val2})\n          for (prop in key) {\n            data[kebabToCamel(prop)] = key[prop];\n          }\n        }\n      }\n    }\n  }\n}\n\nfunction jqLiteHasClass(element, selector) {\n  if (!element.getAttribute) return false;\n  return ((' ' + (element.getAttribute('class') || '') + ' ').replace(/[\\n\\t]/g, ' ').\n      indexOf(' ' + selector + ' ') > -1);\n}\n\nfunction jqLiteRemoveClass(element, cssClasses) {\n  if (cssClasses && element.setAttribute) {\n    var existingClasses = (' ' + (element.getAttribute('class') || '') + ' ')\n                            .replace(/[\\n\\t]/g, ' ');\n    var newClasses = existingClasses;\n\n    forEach(cssClasses.split(' '), function(cssClass) {\n      cssClass = trim(cssClass);\n      newClasses = newClasses.replace(' ' + cssClass + ' ', ' ');\n    });\n\n    if (newClasses !== existingClasses) {\n      element.setAttribute('class', trim(newClasses));\n    }\n  }\n}\n\nfunction jqLiteAddClass(element, cssClasses) {\n  if (cssClasses && element.setAttribute) {\n    var existingClasses = (' ' + (element.getAttribute('class') || '') + ' ')\n                            .replace(/[\\n\\t]/g, ' ');\n    var newClasses = existingClasses;\n\n    forEach(cssClasses.split(' '), function(cssClass) {\n      cssClass = trim(cssClass);\n      if (newClasses.indexOf(' ' + cssClass + ' ') === -1) {\n        newClasses += cssClass + ' ';\n      }\n    });\n\n    if (newClasses !== existingClasses) {\n      element.setAttribute('class', trim(newClasses));\n    }\n  }\n}\n\n\nfunction jqLiteAddNodes(root, elements) {\n  // THIS CODE IS VERY HOT. Don't make changes without benchmarking.\n\n  if (elements) {\n\n    // if a Node (the most common case)\n    if (elements.nodeType) {\n      root[root.length++] = elements;\n    } else {\n      var length = elements.length;\n\n      // if an Array or NodeList and not a Window\n      if (typeof length === 'number' && elements.window !== elements) {\n        if (length) {\n          for (var i = 0; i < length; i++) {\n            root[root.length++] = elements[i];\n          }\n        }\n      } else {\n        root[root.length++] = elements;\n      }\n    }\n  }\n}\n\n\nfunction jqLiteController(element, name) {\n  return jqLiteInheritedData(element, '$' + (name || 'ngController') + 'Controller');\n}\n\nfunction jqLiteInheritedData(element, name, value) {\n  // if element is the document object work with the html element instead\n  // this makes $(document).scope() possible\n  if (element.nodeType === NODE_TYPE_DOCUMENT) {\n    element = element.documentElement;\n  }\n  var names = isArray(name) ? name : [name];\n\n  while (element) {\n    for (var i = 0, ii = names.length; i < ii; i++) {\n      if (isDefined(value = jqLite.data(element, names[i]))) return value;\n    }\n\n    // If dealing with a document fragment node with a host element, and no parent, use the host\n    // element as the parent. This enables directives within a Shadow DOM or polyfilled Shadow DOM\n    // to lookup parent controllers.\n    element = element.parentNode || (element.nodeType === NODE_TYPE_DOCUMENT_FRAGMENT && element.host);\n  }\n}\n\nfunction jqLiteEmpty(element) {\n  jqLiteDealoc(element, true);\n  while (element.firstChild) {\n    element.removeChild(element.firstChild);\n  }\n}\n\nfunction jqLiteRemove(element, keepData) {\n  if (!keepData) jqLiteDealoc(element);\n  var parent = element.parentNode;\n  if (parent) parent.removeChild(element);\n}\n\n\nfunction jqLiteDocumentLoaded(action, win) {\n  win = win || window;\n  if (win.document.readyState === 'complete') {\n    // Force the action to be run async for consistent behavior\n    // from the action's point of view\n    // i.e. it will definitely not be in a $apply\n    win.setTimeout(action);\n  } else {\n    // No need to unbind this handler as load is only ever called once\n    jqLite(win).on('load', action);\n  }\n}\n\nfunction jqLiteReady(fn) {\n  function trigger() {\n    window.document.removeEventListener('DOMContentLoaded', trigger);\n    window.removeEventListener('load', trigger);\n    fn();\n  }\n\n  // check if document is already loaded\n  if (window.document.readyState === 'complete') {\n    window.setTimeout(fn);\n  } else {\n    // We can not use jqLite since we are not done loading and jQuery could be loaded later.\n\n    // Works for modern browsers and IE9\n    window.document.addEventListener('DOMContentLoaded', trigger);\n\n    // Fallback to window.onload for others\n    window.addEventListener('load', trigger);\n  }\n}\n\n//////////////////////////////////////////\n// Functions which are declared directly.\n//////////////////////////////////////////\nvar JQLitePrototype = JQLite.prototype = {\n  ready: jqLiteReady,\n  toString: function() {\n    var value = [];\n    forEach(this, function(e) { value.push('' + e);});\n    return '[' + value.join(', ') + ']';\n  },\n\n  eq: function(index) {\n      return (index >= 0) ? jqLite(this[index]) : jqLite(this[this.length + index]);\n  },\n\n  length: 0,\n  push: push,\n  sort: [].sort,\n  splice: [].splice\n};\n\n//////////////////////////////////////////\n// Functions iterating getter/setters.\n// these functions return self on setter and\n// value on get.\n//////////////////////////////////////////\nvar BOOLEAN_ATTR = {};\nforEach('multiple,selected,checked,disabled,readOnly,required,open'.split(','), function(value) {\n  BOOLEAN_ATTR[lowercase(value)] = value;\n});\nvar BOOLEAN_ELEMENTS = {};\nforEach('input,select,option,textarea,button,form,details'.split(','), function(value) {\n  BOOLEAN_ELEMENTS[value] = true;\n});\nvar ALIASED_ATTR = {\n  'ngMinlength': 'minlength',\n  'ngMaxlength': 'maxlength',\n  'ngMin': 'min',\n  'ngMax': 'max',\n  'ngPattern': 'pattern',\n  'ngStep': 'step'\n};\n\nfunction getBooleanAttrName(element, name) {\n  // check dom last since we will most likely fail on name\n  var booleanAttr = BOOLEAN_ATTR[name.toLowerCase()];\n\n  // booleanAttr is here twice to minimize DOM access\n  return booleanAttr && BOOLEAN_ELEMENTS[nodeName_(element)] && booleanAttr;\n}\n\nfunction getAliasedAttrName(name) {\n  return ALIASED_ATTR[name];\n}\n\nforEach({\n  data: jqLiteData,\n  removeData: jqLiteRemoveData,\n  hasData: jqLiteHasData,\n  cleanData: function jqLiteCleanData(nodes) {\n    for (var i = 0, ii = nodes.length; i < ii; i++) {\n      jqLiteRemoveData(nodes[i]);\n      jqLiteOff(nodes[i]);\n    }\n  }\n}, function(fn, name) {\n  JQLite[name] = fn;\n});\n\nforEach({\n  data: jqLiteData,\n  inheritedData: jqLiteInheritedData,\n\n  scope: function(element) {\n    // Can't use jqLiteData here directly so we stay compatible with jQuery!\n    return jqLite.data(element, '$scope') || jqLiteInheritedData(element.parentNode || element, ['$isolateScope', '$scope']);\n  },\n\n  isolateScope: function(element) {\n    // Can't use jqLiteData here directly so we stay compatible with jQuery!\n    return jqLite.data(element, '$isolateScope') || jqLite.data(element, '$isolateScopeNoTemplate');\n  },\n\n  controller: jqLiteController,\n\n  injector: function(element) {\n    return jqLiteInheritedData(element, '$injector');\n  },\n\n  removeAttr: function(element, name) {\n    element.removeAttribute(name);\n  },\n\n  hasClass: jqLiteHasClass,\n\n  css: function(element, name, value) {\n    name = cssKebabToCamel(name);\n\n    if (isDefined(value)) {\n      element.style[name] = value;\n    } else {\n      return element.style[name];\n    }\n  },\n\n  attr: function(element, name, value) {\n    var ret;\n    var nodeType = element.nodeType;\n    if (nodeType === NODE_TYPE_TEXT || nodeType === NODE_TYPE_ATTRIBUTE || nodeType === NODE_TYPE_COMMENT ||\n      !element.getAttribute) {\n      return;\n    }\n\n    var lowercasedName = lowercase(name);\n    var isBooleanAttr = BOOLEAN_ATTR[lowercasedName];\n\n    if (isDefined(value)) {\n      // setter\n\n      if (value === null || (value === false && isBooleanAttr)) {\n        element.removeAttribute(name);\n      } else {\n        element.setAttribute(name, isBooleanAttr ? lowercasedName : value);\n      }\n    } else {\n      // getter\n\n      ret = element.getAttribute(name);\n\n      if (isBooleanAttr && ret !== null) {\n        ret = lowercasedName;\n      }\n      // Normalize non-existing attributes to undefined (as jQuery).\n      return ret === null ? undefined : ret;\n    }\n  },\n\n  prop: function(element, name, value) {\n    if (isDefined(value)) {\n      element[name] = value;\n    } else {\n      return element[name];\n    }\n  },\n\n  text: (function() {\n    getText.$dv = '';\n    return getText;\n\n    function getText(element, value) {\n      if (isUndefined(value)) {\n        var nodeType = element.nodeType;\n        return (nodeType === NODE_TYPE_ELEMENT || nodeType === NODE_TYPE_TEXT) ? element.textContent : '';\n      }\n      element.textContent = value;\n    }\n  })(),\n\n  val: function(element, value) {\n    if (isUndefined(value)) {\n      if (element.multiple && nodeName_(element) === 'select') {\n        var result = [];\n        forEach(element.options, function(option) {\n          if (option.selected) {\n            result.push(option.value || option.text);\n          }\n        });\n        return result;\n      }\n      return element.value;\n    }\n    element.value = value;\n  },\n\n  html: function(element, value) {\n    if (isUndefined(value)) {\n      return element.innerHTML;\n    }\n    jqLiteDealoc(element, true);\n    element.innerHTML = value;\n  },\n\n  empty: jqLiteEmpty\n}, function(fn, name) {\n  /**\n   * Properties: writes return selection, reads return first value\n   */\n  JQLite.prototype[name] = function(arg1, arg2) {\n    var i, key;\n    var nodeCount = this.length;\n\n    // jqLiteHasClass has only two arguments, but is a getter-only fn, so we need to special-case it\n    // in a way that survives minification.\n    // jqLiteEmpty takes no arguments but is a setter.\n    if (fn !== jqLiteEmpty &&\n        (isUndefined((fn.length === 2 && (fn !== jqLiteHasClass && fn !== jqLiteController)) ? arg1 : arg2))) {\n      if (isObject(arg1)) {\n\n        // we are a write, but the object properties are the key/values\n        for (i = 0; i < nodeCount; i++) {\n          if (fn === jqLiteData) {\n            // data() takes the whole object in jQuery\n            fn(this[i], arg1);\n          } else {\n            for (key in arg1) {\n              fn(this[i], key, arg1[key]);\n            }\n          }\n        }\n        // return self for chaining\n        return this;\n      } else {\n        // we are a read, so read the first child.\n        // TODO: do we still need this?\n        var value = fn.$dv;\n        // Only if we have $dv do we iterate over all, otherwise it is just the first element.\n        var jj = (isUndefined(value)) ? Math.min(nodeCount, 1) : nodeCount;\n        for (var j = 0; j < jj; j++) {\n          var nodeValue = fn(this[j], arg1, arg2);\n          value = value ? value + nodeValue : nodeValue;\n        }\n        return value;\n      }\n    } else {\n      // we are a write, so apply to all children\n      for (i = 0; i < nodeCount; i++) {\n        fn(this[i], arg1, arg2);\n      }\n      // return self for chaining\n      return this;\n    }\n  };\n});\n\nfunction createEventHandler(element, events) {\n  var eventHandler = function(event, type) {\n    // jQuery specific api\n    event.isDefaultPrevented = function() {\n      return event.defaultPrevented;\n    };\n\n    var eventFns = events[type || event.type];\n    var eventFnsLength = eventFns ? eventFns.length : 0;\n\n    if (!eventFnsLength) return;\n\n    if (isUndefined(event.immediatePropagationStopped)) {\n      var originalStopImmediatePropagation = event.stopImmediatePropagation;\n      event.stopImmediatePropagation = function() {\n        event.immediatePropagationStopped = true;\n\n        if (event.stopPropagation) {\n          event.stopPropagation();\n        }\n\n        if (originalStopImmediatePropagation) {\n          originalStopImmediatePropagation.call(event);\n        }\n      };\n    }\n\n    event.isImmediatePropagationStopped = function() {\n      return event.immediatePropagationStopped === true;\n    };\n\n    // Some events have special handlers that wrap the real handler\n    var handlerWrapper = eventFns.specialHandlerWrapper || defaultHandlerWrapper;\n\n    // Copy event handlers in case event handlers array is modified during execution.\n    if ((eventFnsLength > 1)) {\n      eventFns = shallowCopy(eventFns);\n    }\n\n    for (var i = 0; i < eventFnsLength; i++) {\n      if (!event.isImmediatePropagationStopped()) {\n        handlerWrapper(element, event, eventFns[i]);\n      }\n    }\n  };\n\n  // TODO: this is a hack for angularMocks/clearDataCache that makes it possible to deregister all\n  //       events on `element`\n  eventHandler.elem = element;\n  return eventHandler;\n}\n\nfunction defaultHandlerWrapper(element, event, handler) {\n  handler.call(element, event);\n}\n\nfunction specialMouseHandlerWrapper(target, event, handler) {\n  // Refer to jQuery's implementation of mouseenter & mouseleave\n  // Read about mouseenter and mouseleave:\n  // http://www.quirksmode.org/js/events_mouse.html#link8\n  var related = event.relatedTarget;\n  // For mousenter/leave call the handler if related is outside the target.\n  // NB: No relatedTarget if the mouse left/entered the browser window\n  if (!related || (related !== target && !jqLiteContains.call(target, related))) {\n    handler.call(target, event);\n  }\n}\n\n//////////////////////////////////////////\n// Functions iterating traversal.\n// These functions chain results into a single\n// selector.\n//////////////////////////////////////////\nforEach({\n  removeData: jqLiteRemoveData,\n\n  on: function jqLiteOn(element, type, fn, unsupported) {\n    if (isDefined(unsupported)) throw jqLiteMinErr('onargs', 'jqLite#on() does not support the `selector` or `eventData` parameters');\n\n    // Do not add event handlers to non-elements because they will not be cleaned up.\n    if (!jqLiteAcceptsData(element)) {\n      return;\n    }\n\n    var expandoStore = jqLiteExpandoStore(element, true);\n    var events = expandoStore.events;\n    var handle = expandoStore.handle;\n\n    if (!handle) {\n      handle = expandoStore.handle = createEventHandler(element, events);\n    }\n\n    // http://jsperf.com/string-indexof-vs-split\n    var types = type.indexOf(' ') >= 0 ? type.split(' ') : [type];\n    var i = types.length;\n\n    var addHandler = function(type, specialHandlerWrapper, noEventListener) {\n      var eventFns = events[type];\n\n      if (!eventFns) {\n        eventFns = events[type] = [];\n        eventFns.specialHandlerWrapper = specialHandlerWrapper;\n        if (type !== '$destroy' && !noEventListener) {\n          element.addEventListener(type, handle);\n        }\n      }\n\n      eventFns.push(fn);\n    };\n\n    while (i--) {\n      type = types[i];\n      if (MOUSE_EVENT_MAP[type]) {\n        addHandler(MOUSE_EVENT_MAP[type], specialMouseHandlerWrapper);\n        addHandler(type, undefined, true);\n      } else {\n        addHandler(type);\n      }\n    }\n  },\n\n  off: jqLiteOff,\n\n  one: function(element, type, fn) {\n    element = jqLite(element);\n\n    //add the listener twice so that when it is called\n    //you can remove the original function and still be\n    //able to call element.off(ev, fn) normally\n    element.on(type, function onFn() {\n      element.off(type, fn);\n      element.off(type, onFn);\n    });\n    element.on(type, fn);\n  },\n\n  replaceWith: function(element, replaceNode) {\n    var index, parent = element.parentNode;\n    jqLiteDealoc(element);\n    forEach(new JQLite(replaceNode), function(node) {\n      if (index) {\n        parent.insertBefore(node, index.nextSibling);\n      } else {\n        parent.replaceChild(node, element);\n      }\n      index = node;\n    });\n  },\n\n  children: function(element) {\n    var children = [];\n    forEach(element.childNodes, function(element) {\n      if (element.nodeType === NODE_TYPE_ELEMENT) {\n        children.push(element);\n      }\n    });\n    return children;\n  },\n\n  contents: function(element) {\n    return element.contentDocument || element.childNodes || [];\n  },\n\n  append: function(element, node) {\n    var nodeType = element.nodeType;\n    if (nodeType !== NODE_TYPE_ELEMENT && nodeType !== NODE_TYPE_DOCUMENT_FRAGMENT) return;\n\n    node = new JQLite(node);\n\n    for (var i = 0, ii = node.length; i < ii; i++) {\n      var child = node[i];\n      element.appendChild(child);\n    }\n  },\n\n  prepend: function(element, node) {\n    if (element.nodeType === NODE_TYPE_ELEMENT) {\n      var index = element.firstChild;\n      forEach(new JQLite(node), function(child) {\n        element.insertBefore(child, index);\n      });\n    }\n  },\n\n  wrap: function(element, wrapNode) {\n    jqLiteWrapNode(element, jqLite(wrapNode).eq(0).clone()[0]);\n  },\n\n  remove: jqLiteRemove,\n\n  detach: function(element) {\n    jqLiteRemove(element, true);\n  },\n\n  after: function(element, newElement) {\n    var index = element, parent = element.parentNode;\n\n    if (parent) {\n      newElement = new JQLite(newElement);\n\n      for (var i = 0, ii = newElement.length; i < ii; i++) {\n        var node = newElement[i];\n        parent.insertBefore(node, index.nextSibling);\n        index = node;\n      }\n    }\n  },\n\n  addClass: jqLiteAddClass,\n  removeClass: jqLiteRemoveClass,\n\n  toggleClass: function(element, selector, condition) {\n    if (selector) {\n      forEach(selector.split(' '), function(className) {\n        var classCondition = condition;\n        if (isUndefined(classCondition)) {\n          classCondition = !jqLiteHasClass(element, className);\n        }\n        (classCondition ? jqLiteAddClass : jqLiteRemoveClass)(element, className);\n      });\n    }\n  },\n\n  parent: function(element) {\n    var parent = element.parentNode;\n    return parent && parent.nodeType !== NODE_TYPE_DOCUMENT_FRAGMENT ? parent : null;\n  },\n\n  next: function(element) {\n    return element.nextElementSibling;\n  },\n\n  find: function(element, selector) {\n    if (element.getElementsByTagName) {\n      return element.getElementsByTagName(selector);\n    } else {\n      return [];\n    }\n  },\n\n  clone: jqLiteClone,\n\n  triggerHandler: function(element, event, extraParameters) {\n\n    var dummyEvent, eventFnsCopy, handlerArgs;\n    var eventName = event.type || event;\n    var expandoStore = jqLiteExpandoStore(element);\n    var events = expandoStore && expandoStore.events;\n    var eventFns = events && events[eventName];\n\n    if (eventFns) {\n      // Create a dummy event to pass to the handlers\n      dummyEvent = {\n        preventDefault: function() { this.defaultPrevented = true; },\n        isDefaultPrevented: function() { return this.defaultPrevented === true; },\n        stopImmediatePropagation: function() { this.immediatePropagationStopped = true; },\n        isImmediatePropagationStopped: function() { return this.immediatePropagationStopped === true; },\n        stopPropagation: noop,\n        type: eventName,\n        target: element\n      };\n\n      // If a custom event was provided then extend our dummy event with it\n      if (event.type) {\n        dummyEvent = extend(dummyEvent, event);\n      }\n\n      // Copy event handlers in case event handlers array is modified during execution.\n      eventFnsCopy = shallowCopy(eventFns);\n      handlerArgs = extraParameters ? [dummyEvent].concat(extraParameters) : [dummyEvent];\n\n      forEach(eventFnsCopy, function(fn) {\n        if (!dummyEvent.isImmediatePropagationStopped()) {\n          fn.apply(element, handlerArgs);\n        }\n      });\n    }\n  }\n}, function(fn, name) {\n  /**\n   * chaining functions\n   */\n  JQLite.prototype[name] = function(arg1, arg2, arg3) {\n    var value;\n\n    for (var i = 0, ii = this.length; i < ii; i++) {\n      if (isUndefined(value)) {\n        value = fn(this[i], arg1, arg2, arg3);\n        if (isDefined(value)) {\n          // any function which returns a value needs to be wrapped\n          value = jqLite(value);\n        }\n      } else {\n        jqLiteAddNodes(value, fn(this[i], arg1, arg2, arg3));\n      }\n    }\n    return isDefined(value) ? value : this;\n  };\n});\n\n// bind legacy bind/unbind to on/off\nJQLite.prototype.bind = JQLite.prototype.on;\nJQLite.prototype.unbind = JQLite.prototype.off;\n\n\n// Provider for private $$jqLite service\n/** @this */\nfunction $$jqLiteProvider() {\n  this.$get = function $$jqLite() {\n    return extend(JQLite, {\n      hasClass: function(node, classes) {\n        if (node.attr) node = node[0];\n        return jqLiteHasClass(node, classes);\n      },\n      addClass: function(node, classes) {\n        if (node.attr) node = node[0];\n        return jqLiteAddClass(node, classes);\n      },\n      removeClass: function(node, classes) {\n        if (node.attr) node = node[0];\n        return jqLiteRemoveClass(node, classes);\n      }\n    });\n  };\n}\n\n/**\n * Computes a hash of an 'obj'.\n * Hash of a:\n *  string is string\n *  number is number as string\n *  object is either result of calling $$hashKey function on the object or uniquely generated id,\n *         that is also assigned to the $$hashKey property of the object.\n *\n * @param obj\n * @returns {string} hash string such that the same input will have the same hash string.\n *         The resulting string key is in 'type:hashKey' format.\n */\nfunction hashKey(obj, nextUidFn) {\n  var key = obj && obj.$$hashKey;\n\n  if (key) {\n    if (typeof key === 'function') {\n      key = obj.$$hashKey();\n    }\n    return key;\n  }\n\n  var objType = typeof obj;\n  if (objType === 'function' || (objType === 'object' && obj !== null)) {\n    key = obj.$$hashKey = objType + ':' + (nextUidFn || nextUid)();\n  } else {\n    key = objType + ':' + obj;\n  }\n\n  return key;\n}\n\n// A minimal ES2015 Map implementation.\n// Should be bug/feature equivalent to the native implementations of supported browsers\n// (for the features required in Angular).\n// See https://kangax.github.io/compat-table/es6/#test-Map\nvar nanKey = Object.create(null);\nfunction NgMapShim() {\n  this._keys = [];\n  this._values = [];\n  this._lastKey = NaN;\n  this._lastIndex = -1;\n}\nNgMapShim.prototype = {\n  _idx: function(key) {\n    if (key !== this._lastKey) {\n      this._lastKey = key;\n      this._lastIndex = this._keys.indexOf(key);\n    }\n    return this._lastIndex;\n  },\n  _transformKey: function(key) {\n    return isNumberNaN(key) ? nanKey : key;\n  },\n  get: function(key) {\n    key = this._transformKey(key);\n    var idx = this._idx(key);\n    if (idx !== -1) {\n      return this._values[idx];\n    }\n  },\n  has: function(key) {\n    key = this._transformKey(key);\n    var idx = this._idx(key);\n    return idx !== -1;\n  },\n  set: function(key, value) {\n    key = this._transformKey(key);\n    var idx = this._idx(key);\n    if (idx === -1) {\n      idx = this._lastIndex = this._keys.length;\n    }\n    this._keys[idx] = key;\n    this._values[idx] = value;\n\n    // Support: IE11\n    // Do not `return this` to simulate the partial IE11 implementation\n  },\n  delete: function(key) {\n    key = this._transformKey(key);\n    var idx = this._idx(key);\n    if (idx === -1) {\n      return false;\n    }\n    this._keys.splice(idx, 1);\n    this._values.splice(idx, 1);\n    this._lastKey = NaN;\n    this._lastIndex = -1;\n    return true;\n  }\n};\n\n// For now, always use `NgMapShim`, even if `window.Map` is available. Some native implementations\n// are still buggy (often in subtle ways) and can cause hard-to-debug failures. When native `Map`\n// implementations get more stable, we can reconsider switching to `window.Map` (when available).\nvar NgMap = NgMapShim;\n\nvar $$MapProvider = [/** @this */function() {\n  this.$get = [function() {\n    return NgMap;\n  }];\n}];\n\n/**\n * @ngdoc function\n * @module ng\n * @name angular.injector\n * @kind function\n *\n * @description\n * Creates an injector object that can be used for retrieving services as well as for\n * dependency injection (see {@link guide/di dependency injection}).\n *\n * @param {Array.<string|Function>} modules A list of module functions or their aliases. See\n *     {@link angular.module}. The `ng` module must be explicitly added.\n * @param {boolean=} [strictDi=false] Whether the injector should be in strict mode, which\n *     disallows argument name annotation inference.\n * @returns {injector} Injector object. See {@link auto.$injector $injector}.\n *\n * @example\n * Typical usage\n * ```js\n *   // create an injector\n *   var $injector = angular.injector(['ng']);\n *\n *   // use the injector to kick off your application\n *   // use the type inference to auto inject arguments, or use implicit injection\n *   $injector.invoke(function($rootScope, $compile, $document) {\n *     $compile($document)($rootScope);\n *     $rootScope.$digest();\n *   });\n * ```\n *\n * Sometimes you want to get access to the injector of a currently running AngularJS app\n * from outside AngularJS. Perhaps, you want to inject and compile some markup after the\n * application has been bootstrapped. You can do this using the extra `injector()` added\n * to JQuery/jqLite elements. See {@link angular.element}.\n *\n * *This is fairly rare but could be the case if a third party library is injecting the\n * markup.*\n *\n * In the following example a new block of HTML containing a `ng-controller`\n * directive is added to the end of the document body by JQuery. We then compile and link\n * it into the current AngularJS scope.\n *\n * ```js\n * var $div = $('<div ng-controller=\"MyCtrl\">{{content.label}}</div>');\n * $(document.body).append($div);\n *\n * angular.element(document).injector().invoke(function($compile) {\n *   var scope = angular.element($div).scope();\n *   $compile($div)(scope);\n * });\n * ```\n */\n\n\n/**\n * @ngdoc module\n * @name auto\n * @installation\n * @description\n *\n * Implicit module which gets automatically added to each {@link auto.$injector $injector}.\n */\n\nvar ARROW_ARG = /^([^(]+?)=>/;\nvar FN_ARGS = /^[^(]*\\(\\s*([^)]*)\\)/m;\nvar FN_ARG_SPLIT = /,/;\nvar FN_ARG = /^\\s*(_?)(\\S+?)\\1\\s*$/;\nvar STRIP_COMMENTS = /((\\/\\/.*$)|(\\/\\*[\\s\\S]*?\\*\\/))/mg;\nvar $injectorMinErr = minErr('$injector');\n\nfunction stringifyFn(fn) {\n  return Function.prototype.toString.call(fn);\n}\n\nfunction extractArgs(fn) {\n  var fnText = stringifyFn(fn).replace(STRIP_COMMENTS, ''),\n      args = fnText.match(ARROW_ARG) || fnText.match(FN_ARGS);\n  return args;\n}\n\nfunction anonFn(fn) {\n  // For anonymous functions, showing at the very least the function signature can help in\n  // debugging.\n  var args = extractArgs(fn);\n  if (args) {\n    return 'function(' + (args[1] || '').replace(/[\\s\\r\\n]+/, ' ') + ')';\n  }\n  return 'fn';\n}\n\nfunction annotate(fn, strictDi, name) {\n  var $inject,\n      argDecl,\n      last;\n\n  if (typeof fn === 'function') {\n    if (!($inject = fn.$inject)) {\n      $inject = [];\n      if (fn.length) {\n        if (strictDi) {\n          if (!isString(name) || !name) {\n            name = fn.name || anonFn(fn);\n          }\n          throw $injectorMinErr('strictdi',\n            '{0} is not using explicit annotation and cannot be invoked in strict mode', name);\n        }\n        argDecl = extractArgs(fn);\n        forEach(argDecl[1].split(FN_ARG_SPLIT), function(arg) {\n          arg.replace(FN_ARG, function(all, underscore, name) {\n            $inject.push(name);\n          });\n        });\n      }\n      fn.$inject = $inject;\n    }\n  } else if (isArray(fn)) {\n    last = fn.length - 1;\n    assertArgFn(fn[last], 'fn');\n    $inject = fn.slice(0, last);\n  } else {\n    assertArgFn(fn, 'fn', true);\n  }\n  return $inject;\n}\n\n///////////////////////////////////////\n\n/**\n * @ngdoc service\n * @name $injector\n *\n * @description\n *\n * `$injector` is used to retrieve object instances as defined by\n * {@link auto.$provide provider}, instantiate types, invoke methods,\n * and load modules.\n *\n * The following always holds true:\n *\n * ```js\n *   var $injector = angular.injector();\n *   expect($injector.get('$injector')).toBe($injector);\n *   expect($injector.invoke(function($injector) {\n *     return $injector;\n *   })).toBe($injector);\n * ```\n *\n * ## Injection Function Annotation\n *\n * JavaScript does not have annotations, and annotations are needed for dependency injection. The\n * following are all valid ways of annotating function with injection arguments and are equivalent.\n *\n * ```js\n *   // inferred (only works if code not minified/obfuscated)\n *   $injector.invoke(function(serviceA){});\n *\n *   // annotated\n *   function explicit(serviceA) {};\n *   explicit.$inject = ['serviceA'];\n *   $injector.invoke(explicit);\n *\n *   // inline\n *   $injector.invoke(['serviceA', function(serviceA){}]);\n * ```\n *\n * ### Inference\n *\n * In JavaScript calling `toString()` on a function returns the function definition. The definition\n * can then be parsed and the function arguments can be extracted. This method of discovering\n * annotations is disallowed when the injector is in strict mode.\n * *NOTE:* This does not work with minification, and obfuscation tools since these tools change the\n * argument names.\n *\n * ### `$inject` Annotation\n * By adding an `$inject` property onto a function the injection parameters can be specified.\n *\n * ### Inline\n * As an array of injection names, where the last item in the array is the function to call.\n */\n\n/**\n * @ngdoc property\n * @name $injector#modules\n * @type {Object}\n * @description\n * A hash containing all the modules that have been loaded into the\n * $injector.\n *\n * You can use this property to find out information about a module via the\n * {@link angular.Module#info `myModule.info(...)`} method.\n *\n * For example:\n *\n * ```\n * var info = $injector.modules['ngAnimate'].info();\n * ```\n *\n * **Do not use this property to attempt to modify the modules after the application\n * has been bootstrapped.**\n */\n\n\n/**\n * @ngdoc method\n * @name $injector#get\n *\n * @description\n * Return an instance of the service.\n *\n * @param {string} name The name of the instance to retrieve.\n * @param {string=} caller An optional string to provide the origin of the function call for error messages.\n * @return {*} The instance.\n */\n\n/**\n * @ngdoc method\n * @name $injector#invoke\n *\n * @description\n * Invoke the method and supply the method arguments from the `$injector`.\n *\n * @param {Function|Array.<string|Function>} fn The injectable function to invoke. Function parameters are\n *   injected according to the {@link guide/di $inject Annotation} rules.\n * @param {Object=} self The `this` for the invoked method.\n * @param {Object=} locals Optional object. If preset then any argument names are read from this\n *                         object first, before the `$injector` is consulted.\n * @returns {*} the value returned by the invoked `fn` function.\n */\n\n/**\n * @ngdoc method\n * @name $injector#has\n *\n * @description\n * Allows the user to query if the particular service exists.\n *\n * @param {string} name Name of the service to query.\n * @returns {boolean} `true` if injector has given service.\n */\n\n/**\n * @ngdoc method\n * @name $injector#instantiate\n * @description\n * Create a new instance of JS type. The method takes a constructor function, invokes the new\n * operator, and supplies all of the arguments to the constructor function as specified by the\n * constructor annotation.\n *\n * @param {Function} Type Annotated constructor function.\n * @param {Object=} locals Optional object. If preset then any argument names are read from this\n * object first, before the `$injector` is consulted.\n * @returns {Object} new instance of `Type`.\n */\n\n/**\n * @ngdoc method\n * @name $injector#annotate\n *\n * @description\n * Returns an array of service names which the function is requesting for injection. This API is\n * used by the injector to determine which services need to be injected into the function when the\n * function is invoked. There are three ways in which the function can be annotated with the needed\n * dependencies.\n *\n * #### Argument names\n *\n * The simplest form is to extract the dependencies from the arguments of the function. This is done\n * by converting the function into a string using `toString()` method and extracting the argument\n * names.\n * ```js\n *   // Given\n *   function MyController($scope, $route) {\n *     // ...\n *   }\n *\n *   // Then\n *   expect(injector.annotate(MyController)).toEqual(['$scope', '$route']);\n * ```\n *\n * You can disallow this method by using strict injection mode.\n *\n * This method does not work with code minification / obfuscation. For this reason the following\n * annotation strategies are supported.\n *\n * #### The `$inject` property\n *\n * If a function has an `$inject` property and its value is an array of strings, then the strings\n * represent names of services to be injected into the function.\n * ```js\n *   // Given\n *   var MyController = function(obfuscatedScope, obfuscatedRoute) {\n *     // ...\n *   }\n *   // Define function dependencies\n *   MyController['$inject'] = ['$scope', '$route'];\n *\n *   // Then\n *   expect(injector.annotate(MyController)).toEqual(['$scope', '$route']);\n * ```\n *\n * #### The array notation\n *\n * It is often desirable to inline Injected functions and that's when setting the `$inject` property\n * is very inconvenient. In these situations using the array notation to specify the dependencies in\n * a way that survives minification is a better choice:\n *\n * ```js\n *   // We wish to write this (not minification / obfuscation safe)\n *   injector.invoke(function($compile, $rootScope) {\n *     // ...\n *   });\n *\n *   // We are forced to write break inlining\n *   var tmpFn = function(obfuscatedCompile, obfuscatedRootScope) {\n *     // ...\n *   };\n *   tmpFn.$inject = ['$compile', '$rootScope'];\n *   injector.invoke(tmpFn);\n *\n *   // To better support inline function the inline annotation is supported\n *   injector.invoke(['$compile', '$rootScope', function(obfCompile, obfRootScope) {\n *     // ...\n *   }]);\n *\n *   // Therefore\n *   expect(injector.annotate(\n *      ['$compile', '$rootScope', function(obfus_$compile, obfus_$rootScope) {}])\n *    ).toEqual(['$compile', '$rootScope']);\n * ```\n *\n * @param {Function|Array.<string|Function>} fn Function for which dependent service names need to\n * be retrieved as described above.\n *\n * @param {boolean=} [strictDi=false] Disallow argument name annotation inference.\n *\n * @returns {Array.<string>} The names of the services which the function requires.\n */\n/**\n * @ngdoc method\n * @name $injector#loadNewModules\n *\n * @description\n *\n * **This is a dangerous API, which you use at your own risk!**\n *\n * Add the specified modules to the current injector.\n *\n * This method will add each of the injectables to the injector and execute all of the config and run\n * blocks for each module passed to the method.\n *\n * If a module has already been loaded into the injector then it will not be loaded again.\n *\n * * The application developer is responsible for loading the code containing the modules; and for\n * ensuring that lazy scripts are not downloaded and executed more often that desired.\n * * Previously compiled HTML will not be affected by newly loaded directives, filters and components.\n * * Modules cannot be unloaded.\n *\n * You can use {@link $injector#modules `$injector.modules`} to check whether a module has been loaded\n * into the injector, which may indicate whether the script has been executed already.\n *\n * @example\n * Here is an example of loading a bundle of modules, with a utility method called `getScript`:\n *\n * ```javascript\n * app.factory('loadModule', function($injector) {\n *   return function loadModule(moduleName, bundleUrl) {\n *     return getScript(bundleUrl).then(function() { $injector.loadNewModules([moduleName]); });\n *   };\n * })\n * ```\n *\n * @param {Array<String|Function|Array>=} mods an array of modules to load into the application.\n *     Each item in the array should be the name of a predefined module or a (DI annotated)\n *     function that will be invoked by the injector as a `config` block.\n *     See: {@link angular.module modules}\n */\n\n\n/**\n * @ngdoc service\n * @name $provide\n *\n * @description\n *\n * The {@link auto.$provide $provide} service has a number of methods for registering components\n * with the {@link auto.$injector $injector}. Many of these functions are also exposed on\n * {@link angular.Module}.\n *\n * An AngularJS **service** is a singleton object created by a **service factory**.  These **service\n * factories** are functions which, in turn, are created by a **service provider**.\n * The **service providers** are constructor functions. When instantiated they must contain a\n * property called `$get`, which holds the **service factory** function.\n *\n * When you request a service, the {@link auto.$injector $injector} is responsible for finding the\n * correct **service provider**, instantiating it and then calling its `$get` **service factory**\n * function to get the instance of the **service**.\n *\n * Often services have no configuration options and there is no need to add methods to the service\n * provider.  The provider will be no more than a constructor function with a `$get` property. For\n * these cases the {@link auto.$provide $provide} service has additional helper methods to register\n * services without specifying a provider.\n *\n * * {@link auto.$provide#provider provider(name, provider)} - registers a **service provider** with the\n *     {@link auto.$injector $injector}\n * * {@link auto.$provide#constant constant(name, obj)} - registers a value/object that can be accessed by\n *     providers and services.\n * * {@link auto.$provide#value value(name, obj)} - registers a value/object that can only be accessed by\n *     services, not providers.\n * * {@link auto.$provide#factory factory(name, fn)} - registers a service **factory function**\n *     that will be wrapped in a **service provider** object, whose `$get` property will contain the\n *     given factory function.\n * * {@link auto.$provide#service service(name, Fn)} - registers a **constructor function**\n *     that will be wrapped in a **service provider** object, whose `$get` property will instantiate\n *      a new object using the given constructor function.\n * * {@link auto.$provide#decorator decorator(name, decorFn)} - registers a **decorator function** that\n *      will be able to modify or replace the implementation of another service.\n *\n * See the individual methods for more information and examples.\n */\n\n/**\n * @ngdoc method\n * @name $provide#provider\n * @description\n *\n * Register a **provider function** with the {@link auto.$injector $injector}. Provider functions\n * are constructor functions, whose instances are responsible for \"providing\" a factory for a\n * service.\n *\n * Service provider names start with the name of the service they provide followed by `Provider`.\n * For example, the {@link ng.$log $log} service has a provider called\n * {@link ng.$logProvider $logProvider}.\n *\n * Service provider objects can have additional methods which allow configuration of the provider\n * and its service. Importantly, you can configure what kind of service is created by the `$get`\n * method, or how that service will act. For example, the {@link ng.$logProvider $logProvider} has a\n * method {@link ng.$logProvider#debugEnabled debugEnabled}\n * which lets you specify whether the {@link ng.$log $log} service will log debug messages to the\n * console or not.\n *\n * It is possible to inject other providers into the provider function,\n * but the injected provider must have been defined before the one that requires it.\n *\n * @param {string} name The name of the instance. NOTE: the provider will be available under `name +\n                        'Provider'` key.\n * @param {(Object|function())} provider If the provider is:\n *\n *   - `Object`: then it should have a `$get` method. The `$get` method will be invoked using\n *     {@link auto.$injector#invoke $injector.invoke()} when an instance needs to be created.\n *   - `Constructor`: a new instance of the provider will be created using\n *     {@link auto.$injector#instantiate $injector.instantiate()}, then treated as `object`.\n *\n * @returns {Object} registered provider instance\n\n * @example\n *\n * The following example shows how to create a simple event tracking service and register it using\n * {@link auto.$provide#provider $provide.provider()}.\n *\n * ```js\n *  // Define the eventTracker provider\n *  function EventTrackerProvider() {\n *    var trackingUrl = '/track';\n *\n *    // A provider method for configuring where the tracked events should been saved\n *    this.setTrackingUrl = function(url) {\n *      trackingUrl = url;\n *    };\n *\n *    // The service factory function\n *    this.$get = ['$http', function($http) {\n *      var trackedEvents = {};\n *      return {\n *        // Call this to track an event\n *        event: function(event) {\n *          var count = trackedEvents[event] || 0;\n *          count += 1;\n *          trackedEvents[event] = count;\n *          return count;\n *        },\n *        // Call this to save the tracked events to the trackingUrl\n *        save: function() {\n *          $http.post(trackingUrl, trackedEvents);\n *        }\n *      };\n *    }];\n *  }\n *\n *  describe('eventTracker', function() {\n *    var postSpy;\n *\n *    beforeEach(module(function($provide) {\n *      // Register the eventTracker provider\n *      $provide.provider('eventTracker', EventTrackerProvider);\n *    }));\n *\n *    beforeEach(module(function(eventTrackerProvider) {\n *      // Configure eventTracker provider\n *      eventTrackerProvider.setTrackingUrl('/custom-track');\n *    }));\n *\n *    it('tracks events', inject(function(eventTracker) {\n *      expect(eventTracker.event('login')).toEqual(1);\n *      expect(eventTracker.event('login')).toEqual(2);\n *    }));\n *\n *    it('saves to the tracking url', inject(function(eventTracker, $http) {\n *      postSpy = spyOn($http, 'post');\n *      eventTracker.event('login');\n *      eventTracker.save();\n *      expect(postSpy).toHaveBeenCalled();\n *      expect(postSpy.mostRecentCall.args[0]).not.toEqual('/track');\n *      expect(postSpy.mostRecentCall.args[0]).toEqual('/custom-track');\n *      expect(postSpy.mostRecentCall.args[1]).toEqual({ 'login': 1 });\n *    }));\n *  });\n * ```\n */\n\n/**\n * @ngdoc method\n * @name $provide#factory\n * @description\n *\n * Register a **service factory**, which will be called to return the service instance.\n * This is short for registering a service where its provider consists of only a `$get` property,\n * which is the given service factory function.\n * You should use {@link auto.$provide#factory $provide.factory(getFn)} if you do not need to\n * configure your service in a provider.\n *\n * @param {string} name The name of the instance.\n * @param {Function|Array.<string|Function>} $getFn The injectable $getFn for the instance creation.\n *                      Internally this is a short hand for `$provide.provider(name, {$get: $getFn})`.\n * @returns {Object} registered provider instance\n *\n * @example\n * Here is an example of registering a service\n * ```js\n *   $provide.factory('ping', ['$http', function($http) {\n *     return function ping() {\n *       return $http.send('/ping');\n *     };\n *   }]);\n * ```\n * You would then inject and use this service like this:\n * ```js\n *   someModule.controller('Ctrl', ['ping', function(ping) {\n *     ping();\n *   }]);\n * ```\n */\n\n\n/**\n * @ngdoc method\n * @name $provide#service\n * @description\n *\n * Register a **service constructor**, which will be invoked with `new` to create the service\n * instance.\n * This is short for registering a service where its provider's `$get` property is a factory\n * function that returns an instance instantiated by the injector from the service constructor\n * function.\n *\n * Internally it looks a bit like this:\n *\n * ```\n * {\n *   $get: function() {\n *     return $injector.instantiate(constructor);\n *   }\n * }\n * ```\n *\n *\n * You should use {@link auto.$provide#service $provide.service(class)} if you define your service\n * as a type/class.\n *\n * @param {string} name The name of the instance.\n * @param {Function|Array.<string|Function>} constructor An injectable class (constructor function)\n *     that will be instantiated.\n * @returns {Object} registered provider instance\n *\n * @example\n * Here is an example of registering a service using\n * {@link auto.$provide#service $provide.service(class)}.\n * ```js\n *   var Ping = function($http) {\n *     this.$http = $http;\n *   };\n *\n *   Ping.$inject = ['$http'];\n *\n *   Ping.prototype.send = function() {\n *     return this.$http.get('/ping');\n *   };\n *   $provide.service('ping', Ping);\n * ```\n * You would then inject and use this service like this:\n * ```js\n *   someModule.controller('Ctrl', ['ping', function(ping) {\n *     ping.send();\n *   }]);\n * ```\n */\n\n\n/**\n * @ngdoc method\n * @name $provide#value\n * @description\n *\n * Register a **value service** with the {@link auto.$injector $injector}, such as a string, a\n * number, an array, an object or a function. This is short for registering a service where its\n * provider's `$get` property is a factory function that takes no arguments and returns the **value\n * service**. That also means it is not possible to inject other services into a value service.\n *\n * Value services are similar to constant services, except that they cannot be injected into a\n * module configuration function (see {@link angular.Module#config}) but they can be overridden by\n * an AngularJS {@link auto.$provide#decorator decorator}.\n *\n * @param {string} name The name of the instance.\n * @param {*} value The value.\n * @returns {Object} registered provider instance\n *\n * @example\n * Here are some examples of creating value services.\n * ```js\n *   $provide.value('ADMIN_USER', 'admin');\n *\n *   $provide.value('RoleLookup', { admin: 0, writer: 1, reader: 2 });\n *\n *   $provide.value('halfOf', function(value) {\n *     return value / 2;\n *   });\n * ```\n */\n\n\n/**\n * @ngdoc method\n * @name $provide#constant\n * @description\n *\n * Register a **constant service** with the {@link auto.$injector $injector}, such as a string,\n * a number, an array, an object or a function. Like the {@link auto.$provide#value value}, it is not\n * possible to inject other services into a constant.\n *\n * But unlike {@link auto.$provide#value value}, a constant can be\n * injected into a module configuration function (see {@link angular.Module#config}) and it cannot\n * be overridden by an AngularJS {@link auto.$provide#decorator decorator}.\n *\n * @param {string} name The name of the constant.\n * @param {*} value The constant value.\n * @returns {Object} registered instance\n *\n * @example\n * Here a some examples of creating constants:\n * ```js\n *   $provide.constant('SHARD_HEIGHT', 306);\n *\n *   $provide.constant('MY_COLOURS', ['red', 'blue', 'grey']);\n *\n *   $provide.constant('double', function(value) {\n *     return value * 2;\n *   });\n * ```\n */\n\n\n/**\n * @ngdoc method\n * @name $provide#decorator\n * @description\n *\n * Register a **decorator function** with the {@link auto.$injector $injector}. A decorator function\n * intercepts the creation of a service, allowing it to override or modify the behavior of the\n * service. The return value of the decorator function may be the original service, or a new service\n * that replaces (or wraps and delegates to) the original service.\n *\n * You can find out more about using decorators in the {@link guide/decorators} guide.\n *\n * @param {string} name The name of the service to decorate.\n * @param {Function|Array.<string|Function>} decorator This function will be invoked when the service needs to be\n *    provided and should return the decorated service instance. The function is called using\n *    the {@link auto.$injector#invoke injector.invoke} method and is therefore fully injectable.\n *    Local injection arguments:\n *\n *    * `$delegate` - The original service instance, which can be replaced, monkey patched, configured,\n *      decorated or delegated to.\n *\n * @example\n * Here we decorate the {@link ng.$log $log} service to convert warnings to errors by intercepting\n * calls to {@link ng.$log#error $log.warn()}.\n * ```js\n *   $provide.decorator('$log', ['$delegate', function($delegate) {\n *     $delegate.warn = $delegate.error;\n *     return $delegate;\n *   }]);\n * ```\n */\n\n\nfunction createInjector(modulesToLoad, strictDi) {\n  strictDi = (strictDi === true);\n  var INSTANTIATING = {},\n      providerSuffix = 'Provider',\n      path = [],\n      loadedModules = new NgMap(),\n      providerCache = {\n        $provide: {\n            provider: supportObject(provider),\n            factory: supportObject(factory),\n            service: supportObject(service),\n            value: supportObject(value),\n            constant: supportObject(constant),\n            decorator: decorator\n          }\n      },\n      providerInjector = (providerCache.$injector =\n          createInternalInjector(providerCache, function(serviceName, caller) {\n            if (angular.isString(caller)) {\n              path.push(caller);\n            }\n            throw $injectorMinErr('unpr', 'Unknown provider: {0}', path.join(' <- '));\n          })),\n      instanceCache = {},\n      protoInstanceInjector =\n          createInternalInjector(instanceCache, function(serviceName, caller) {\n            var provider = providerInjector.get(serviceName + providerSuffix, caller);\n            return instanceInjector.invoke(\n                provider.$get, provider, undefined, serviceName);\n          }),\n      instanceInjector = protoInstanceInjector;\n\n  providerCache['$injector' + providerSuffix] = { $get: valueFn(protoInstanceInjector) };\n  instanceInjector.modules = providerInjector.modules = createMap();\n  var runBlocks = loadModules(modulesToLoad);\n  instanceInjector = protoInstanceInjector.get('$injector');\n  instanceInjector.strictDi = strictDi;\n  forEach(runBlocks, function(fn) { if (fn) instanceInjector.invoke(fn); });\n\n  instanceInjector.loadNewModules = function(mods) {\n    forEach(loadModules(mods), function(fn) { if (fn) instanceInjector.invoke(fn); });\n  };\n\n\n  return instanceInjector;\n\n  ////////////////////////////////////\n  // $provider\n  ////////////////////////////////////\n\n  function supportObject(delegate) {\n    return function(key, value) {\n      if (isObject(key)) {\n        forEach(key, reverseParams(delegate));\n      } else {\n        return delegate(key, value);\n      }\n    };\n  }\n\n  function provider(name, provider_) {\n    assertNotHasOwnProperty(name, 'service');\n    if (isFunction(provider_) || isArray(provider_)) {\n      provider_ = providerInjector.instantiate(provider_);\n    }\n    if (!provider_.$get) {\n      throw $injectorMinErr('pget', 'Provider \\'{0}\\' must define $get factory method.', name);\n    }\n    return (providerCache[name + providerSuffix] = provider_);\n  }\n\n  function enforceReturnValue(name, factory) {\n    return /** @this */ function enforcedReturnValue() {\n      var result = instanceInjector.invoke(factory, this);\n      if (isUndefined(result)) {\n        throw $injectorMinErr('undef', 'Provider \\'{0}\\' must return a value from $get factory method.', name);\n      }\n      return result;\n    };\n  }\n\n  function factory(name, factoryFn, enforce) {\n    return provider(name, {\n      $get: enforce !== false ? enforceReturnValue(name, factoryFn) : factoryFn\n    });\n  }\n\n  function service(name, constructor) {\n    return factory(name, ['$injector', function($injector) {\n      return $injector.instantiate(constructor);\n    }]);\n  }\n\n  function value(name, val) { return factory(name, valueFn(val), false); }\n\n  function constant(name, value) {\n    assertNotHasOwnProperty(name, 'constant');\n    providerCache[name] = value;\n    instanceCache[name] = value;\n  }\n\n  function decorator(serviceName, decorFn) {\n    var origProvider = providerInjector.get(serviceName + providerSuffix),\n        orig$get = origProvider.$get;\n\n    origProvider.$get = function() {\n      var origInstance = instanceInjector.invoke(orig$get, origProvider);\n      return instanceInjector.invoke(decorFn, null, {$delegate: origInstance});\n    };\n  }\n\n  ////////////////////////////////////\n  // Module Loading\n  ////////////////////////////////////\n  function loadModules(modulesToLoad) {\n    assertArg(isUndefined(modulesToLoad) || isArray(modulesToLoad), 'modulesToLoad', 'not an array');\n    var runBlocks = [], moduleFn;\n    forEach(modulesToLoad, function(module) {\n      if (loadedModules.get(module)) return;\n      loadedModules.set(module, true);\n\n      function runInvokeQueue(queue) {\n        var i, ii;\n        for (i = 0, ii = queue.length; i < ii; i++) {\n          var invokeArgs = queue[i],\n              provider = providerInjector.get(invokeArgs[0]);\n\n          provider[invokeArgs[1]].apply(provider, invokeArgs[2]);\n        }\n      }\n\n      try {\n        if (isString(module)) {\n          moduleFn = angularModule(module);\n          instanceInjector.modules[module] = moduleFn;\n          runBlocks = runBlocks.concat(loadModules(moduleFn.requires)).concat(moduleFn._runBlocks);\n          runInvokeQueue(moduleFn._invokeQueue);\n          runInvokeQueue(moduleFn._configBlocks);\n        } else if (isFunction(module)) {\n            runBlocks.push(providerInjector.invoke(module));\n        } else if (isArray(module)) {\n            runBlocks.push(providerInjector.invoke(module));\n        } else {\n          assertArgFn(module, 'module');\n        }\n      } catch (e) {\n        if (isArray(module)) {\n          module = module[module.length - 1];\n        }\n        if (e.message && e.stack && e.stack.indexOf(e.message) === -1) {\n          // Safari & FF's stack traces don't contain error.message content\n          // unlike those of Chrome and IE\n          // So if stack doesn't contain message, we create a new string that contains both.\n          // Since error.stack is read-only in Safari, I'm overriding e and not e.stack here.\n          // eslint-disable-next-line no-ex-assign\n          e = e.message + '\\n' + e.stack;\n        }\n        throw $injectorMinErr('modulerr', 'Failed to instantiate module {0} due to:\\n{1}',\n                  module, e.stack || e.message || e);\n      }\n    });\n    return runBlocks;\n  }\n\n  ////////////////////////////////////\n  // internal Injector\n  ////////////////////////////////////\n\n  function createInternalInjector(cache, factory) {\n\n    function getService(serviceName, caller) {\n      if (cache.hasOwnProperty(serviceName)) {\n        if (cache[serviceName] === INSTANTIATING) {\n          throw $injectorMinErr('cdep', 'Circular dependency found: {0}',\n                    serviceName + ' <- ' + path.join(' <- '));\n        }\n        return cache[serviceName];\n      } else {\n        try {\n          path.unshift(serviceName);\n          cache[serviceName] = INSTANTIATING;\n          cache[serviceName] = factory(serviceName, caller);\n          return cache[serviceName];\n        } catch (err) {\n          if (cache[serviceName] === INSTANTIATING) {\n            delete cache[serviceName];\n          }\n          throw err;\n        } finally {\n          path.shift();\n        }\n      }\n    }\n\n\n    function injectionArgs(fn, locals, serviceName) {\n      var args = [],\n          $inject = createInjector.$$annotate(fn, strictDi, serviceName);\n\n      for (var i = 0, length = $inject.length; i < length; i++) {\n        var key = $inject[i];\n        if (typeof key !== 'string') {\n          throw $injectorMinErr('itkn',\n                  'Incorrect injection token! Expected service name as string, got {0}', key);\n        }\n        args.push(locals && locals.hasOwnProperty(key) ? locals[key] :\n                                                         getService(key, serviceName));\n      }\n      return args;\n    }\n\n    function isClass(func) {\n      // Support: IE 9-11 only\n      // IE 9-11 do not support classes and IE9 leaks with the code below.\n      if (msie || typeof func !== 'function') {\n        return false;\n      }\n      var result = func.$$ngIsClass;\n      if (!isBoolean(result)) {\n        result = func.$$ngIsClass = /^class\\b/.test(stringifyFn(func));\n      }\n      return result;\n    }\n\n    function invoke(fn, self, locals, serviceName) {\n      if (typeof locals === 'string') {\n        serviceName = locals;\n        locals = null;\n      }\n\n      var args = injectionArgs(fn, locals, serviceName);\n      if (isArray(fn)) {\n        fn = fn[fn.length - 1];\n      }\n\n      if (!isClass(fn)) {\n        // http://jsperf.com/angularjs-invoke-apply-vs-switch\n        // #5388\n        return fn.apply(self, args);\n      } else {\n        args.unshift(null);\n        return new (Function.prototype.bind.apply(fn, args))();\n      }\n    }\n\n\n    function instantiate(Type, locals, serviceName) {\n      // Check if Type is annotated and use just the given function at n-1 as parameter\n      // e.g. someModule.factory('greeter', ['$window', function(renamed$window) {}]);\n      var ctor = (isArray(Type) ? Type[Type.length - 1] : Type);\n      var args = injectionArgs(Type, locals, serviceName);\n      // Empty object at position 0 is ignored for invocation with `new`, but required.\n      args.unshift(null);\n      return new (Function.prototype.bind.apply(ctor, args))();\n    }\n\n\n    return {\n      invoke: invoke,\n      instantiate: instantiate,\n      get: getService,\n      annotate: createInjector.$$annotate,\n      has: function(name) {\n        return providerCache.hasOwnProperty(name + providerSuffix) || cache.hasOwnProperty(name);\n      }\n    };\n  }\n}\n\ncreateInjector.$$annotate = annotate;\n\n/**\n * @ngdoc provider\n * @name $anchorScrollProvider\n * @this\n *\n * @description\n * Use `$anchorScrollProvider` to disable automatic scrolling whenever\n * {@link ng.$location#hash $location.hash()} changes.\n */\nfunction $AnchorScrollProvider() {\n\n  var autoScrollingEnabled = true;\n\n  /**\n   * @ngdoc method\n   * @name $anchorScrollProvider#disableAutoScrolling\n   *\n   * @description\n   * By default, {@link ng.$anchorScroll $anchorScroll()} will automatically detect changes to\n   * {@link ng.$location#hash $location.hash()} and scroll to the element matching the new hash.<br />\n   * Use this method to disable automatic scrolling.\n   *\n   * If automatic scrolling is disabled, one must explicitly call\n   * {@link ng.$anchorScroll $anchorScroll()} in order to scroll to the element related to the\n   * current hash.\n   */\n  this.disableAutoScrolling = function() {\n    autoScrollingEnabled = false;\n  };\n\n  /**\n   * @ngdoc service\n   * @name $anchorScroll\n   * @kind function\n   * @requires $window\n   * @requires $location\n   * @requires $rootScope\n   *\n   * @description\n   * When called, it scrolls to the element related to the specified `hash` or (if omitted) to the\n   * current value of {@link ng.$location#hash $location.hash()}, according to the rules specified\n   * in the\n   * [HTML5 spec](http://www.w3.org/html/wg/drafts/html/master/browsers.html#an-indicated-part-of-the-document).\n   *\n   * It also watches the {@link ng.$location#hash $location.hash()} and automatically scrolls to\n   * match any anchor whenever it changes. This can be disabled by calling\n   * {@link ng.$anchorScrollProvider#disableAutoScrolling $anchorScrollProvider.disableAutoScrolling()}.\n   *\n   * Additionally, you can use its {@link ng.$anchorScroll#yOffset yOffset} property to specify a\n   * vertical scroll-offset (either fixed or dynamic).\n   *\n   * @param {string=} hash The hash specifying the element to scroll to. If omitted, the value of\n   *                       {@link ng.$location#hash $location.hash()} will be used.\n   *\n   * @property {(number|function|jqLite)} yOffset\n   * If set, specifies a vertical scroll-offset. This is often useful when there are fixed\n   * positioned elements at the top of the page, such as navbars, headers etc.\n   *\n   * `yOffset` can be specified in various ways:\n   * - **number**: A fixed number of pixels to be used as offset.<br /><br />\n   * - **function**: A getter function called everytime `$anchorScroll()` is executed. Must return\n   *   a number representing the offset (in pixels).<br /><br />\n   * - **jqLite**: A jqLite/jQuery element to be used for specifying the offset. The distance from\n   *   the top of the page to the element's bottom will be used as offset.<br />\n   *   **Note**: The element will be taken into account only as long as its `position` is set to\n   *   `fixed`. This option is useful, when dealing with responsive navbars/headers that adjust\n   *   their height and/or positioning according to the viewport's size.\n   *\n   * <br />\n   * <div class=\"alert alert-warning\">\n   * In order for `yOffset` to work properly, scrolling should take place on the document's root and\n   * not some child element.\n   * </div>\n   *\n   * @example\n     <example module=\"anchorScrollExample\" name=\"anchor-scroll\">\n       <file name=\"index.html\">\n         <div id=\"scrollArea\" ng-controller=\"ScrollController\">\n           <a ng-click=\"gotoBottom()\">Go to bottom</a>\n           <a id=\"bottom\"></a> You're at the bottom!\n         </div>\n       </file>\n       <file name=\"script.js\">\n         angular.module('anchorScrollExample', [])\n           .controller('ScrollController', ['$scope', '$location', '$anchorScroll',\n             function($scope, $location, $anchorScroll) {\n               $scope.gotoBottom = function() {\n                 // set the location.hash to the id of\n                 // the element you wish to scroll to.\n                 $location.hash('bottom');\n\n                 // call $anchorScroll()\n                 $anchorScroll();\n               };\n             }]);\n       </file>\n       <file name=\"style.css\">\n         #scrollArea {\n           height: 280px;\n           overflow: auto;\n         }\n\n         #bottom {\n           display: block;\n           margin-top: 2000px;\n         }\n       </file>\n     </example>\n   *\n   * <hr />\n   * The example below illustrates the use of a vertical scroll-offset (specified as a fixed value).\n   * See {@link ng.$anchorScroll#yOffset $anchorScroll.yOffset} for more details.\n   *\n   * @example\n     <example module=\"anchorScrollOffsetExample\" name=\"anchor-scroll-offset\">\n       <file name=\"index.html\">\n         <div class=\"fixed-header\" ng-controller=\"headerCtrl\">\n           <a href=\"\" ng-click=\"gotoAnchor(x)\" ng-repeat=\"x in [1,2,3,4,5]\">\n             Go to anchor {{x}}\n           </a>\n         </div>\n         <div id=\"anchor{{x}}\" class=\"anchor\" ng-repeat=\"x in [1,2,3,4,5]\">\n           Anchor {{x}} of 5\n         </div>\n       </file>\n       <file name=\"script.js\">\n         angular.module('anchorScrollOffsetExample', [])\n           .run(['$anchorScroll', function($anchorScroll) {\n             $anchorScroll.yOffset = 50;   // always scroll by 50 extra pixels\n           }])\n           .controller('headerCtrl', ['$anchorScroll', '$location', '$scope',\n             function($anchorScroll, $location, $scope) {\n               $scope.gotoAnchor = function(x) {\n                 var newHash = 'anchor' + x;\n                 if ($location.hash() !== newHash) {\n                   // set the $location.hash to `newHash` and\n                   // $anchorScroll will automatically scroll to it\n                   $location.hash('anchor' + x);\n                 } else {\n                   // call $anchorScroll() explicitly,\n                   // since $location.hash hasn't changed\n                   $anchorScroll();\n                 }\n               };\n             }\n           ]);\n       </file>\n       <file name=\"style.css\">\n         body {\n           padding-top: 50px;\n         }\n\n         .anchor {\n           border: 2px dashed DarkOrchid;\n           padding: 10px 10px 200px 10px;\n         }\n\n         .fixed-header {\n           background-color: rgba(0, 0, 0, 0.2);\n           height: 50px;\n           position: fixed;\n           top: 0; left: 0; right: 0;\n         }\n\n         .fixed-header > a {\n           display: inline-block;\n           margin: 5px 15px;\n         }\n       </file>\n     </example>\n   */\n  this.$get = ['$window', '$location', '$rootScope', function($window, $location, $rootScope) {\n    var document = $window.document;\n\n    // Helper function to get first anchor from a NodeList\n    // (using `Array#some()` instead of `angular#forEach()` since it's more performant\n    //  and working in all supported browsers.)\n    function getFirstAnchor(list) {\n      var result = null;\n      Array.prototype.some.call(list, function(element) {\n        if (nodeName_(element) === 'a') {\n          result = element;\n          return true;\n        }\n      });\n      return result;\n    }\n\n    function getYOffset() {\n\n      var offset = scroll.yOffset;\n\n      if (isFunction(offset)) {\n        offset = offset();\n      } else if (isElement(offset)) {\n        var elem = offset[0];\n        var style = $window.getComputedStyle(elem);\n        if (style.position !== 'fixed') {\n          offset = 0;\n        } else {\n          offset = elem.getBoundingClientRect().bottom;\n        }\n      } else if (!isNumber(offset)) {\n        offset = 0;\n      }\n\n      return offset;\n    }\n\n    function scrollTo(elem) {\n      if (elem) {\n        elem.scrollIntoView();\n\n        var offset = getYOffset();\n\n        if (offset) {\n          // `offset` is the number of pixels we should scroll UP in order to align `elem` properly.\n          // This is true ONLY if the call to `elem.scrollIntoView()` initially aligns `elem` at the\n          // top of the viewport.\n          //\n          // IF the number of pixels from the top of `elem` to the end of the page's content is less\n          // than the height of the viewport, then `elem.scrollIntoView()` will align the `elem` some\n          // way down the page.\n          //\n          // This is often the case for elements near the bottom of the page.\n          //\n          // In such cases we do not need to scroll the whole `offset` up, just the difference between\n          // the top of the element and the offset, which is enough to align the top of `elem` at the\n          // desired position.\n          var elemTop = elem.getBoundingClientRect().top;\n          $window.scrollBy(0, elemTop - offset);\n        }\n      } else {\n        $window.scrollTo(0, 0);\n      }\n    }\n\n    function scroll(hash) {\n      // Allow numeric hashes\n      hash = isString(hash) ? hash : isNumber(hash) ? hash.toString() : $location.hash();\n      var elm;\n\n      // empty hash, scroll to the top of the page\n      if (!hash) scrollTo(null);\n\n      // element with given id\n      else if ((elm = document.getElementById(hash))) scrollTo(elm);\n\n      // first anchor with given name :-D\n      else if ((elm = getFirstAnchor(document.getElementsByName(hash)))) scrollTo(elm);\n\n      // no element and hash === 'top', scroll to the top of the page\n      else if (hash === 'top') scrollTo(null);\n    }\n\n    // does not scroll when user clicks on anchor link that is currently on\n    // (no url change, no $location.hash() change), browser native does scroll\n    if (autoScrollingEnabled) {\n      $rootScope.$watch(function autoScrollWatch() {return $location.hash();},\n        function autoScrollWatchAction(newVal, oldVal) {\n          // skip the initial scroll if $location.hash is empty\n          if (newVal === oldVal && newVal === '') return;\n\n          jqLiteDocumentLoaded(function() {\n            $rootScope.$evalAsync(scroll);\n          });\n        });\n    }\n\n    return scroll;\n  }];\n}\n\nvar $animateMinErr = minErr('$animate');\nvar ELEMENT_NODE = 1;\nvar NG_ANIMATE_CLASSNAME = 'ng-animate';\n\nfunction mergeClasses(a,b) {\n  if (!a && !b) return '';\n  if (!a) return b;\n  if (!b) return a;\n  if (isArray(a)) a = a.join(' ');\n  if (isArray(b)) b = b.join(' ');\n  return a + ' ' + b;\n}\n\nfunction extractElementNode(element) {\n  for (var i = 0; i < element.length; i++) {\n    var elm = element[i];\n    if (elm.nodeType === ELEMENT_NODE) {\n      return elm;\n    }\n  }\n}\n\nfunction splitClasses(classes) {\n  if (isString(classes)) {\n    classes = classes.split(' ');\n  }\n\n  // Use createMap() to prevent class assumptions involving property names in\n  // Object.prototype\n  var obj = createMap();\n  forEach(classes, function(klass) {\n    // sometimes the split leaves empty string values\n    // incase extra spaces were applied to the options\n    if (klass.length) {\n      obj[klass] = true;\n    }\n  });\n  return obj;\n}\n\n// if any other type of options value besides an Object value is\n// passed into the $animate.method() animation then this helper code\n// will be run which will ignore it. While this patch is not the\n// greatest solution to this, a lot of existing plugins depend on\n// $animate to either call the callback (< 1.2) or return a promise\n// that can be changed. This helper function ensures that the options\n// are wiped clean incase a callback function is provided.\nfunction prepareAnimateOptions(options) {\n  return isObject(options)\n      ? options\n      : {};\n}\n\nvar $$CoreAnimateJsProvider = /** @this */ function() {\n  this.$get = noop;\n};\n\n// this is prefixed with Core since it conflicts with\n// the animateQueueProvider defined in ngAnimate/animateQueue.js\nvar $$CoreAnimateQueueProvider = /** @this */ function() {\n  var postDigestQueue = new NgMap();\n  var postDigestElements = [];\n\n  this.$get = ['$$AnimateRunner', '$rootScope',\n       function($$AnimateRunner,   $rootScope) {\n    return {\n      enabled: noop,\n      on: noop,\n      off: noop,\n      pin: noop,\n\n      push: function(element, event, options, domOperation) {\n        if (domOperation) {\n          domOperation();\n        }\n\n        options = options || {};\n        if (options.from) {\n          element.css(options.from);\n        }\n        if (options.to) {\n          element.css(options.to);\n        }\n\n        if (options.addClass || options.removeClass) {\n          addRemoveClassesPostDigest(element, options.addClass, options.removeClass);\n        }\n\n        var runner = new $$AnimateRunner();\n\n        // since there are no animations to run the runner needs to be\n        // notified that the animation call is complete.\n        runner.complete();\n        return runner;\n      }\n    };\n\n\n    function updateData(data, classes, value) {\n      var changed = false;\n      if (classes) {\n        classes = isString(classes) ? classes.split(' ') :\n                  isArray(classes) ? classes : [];\n        forEach(classes, function(className) {\n          if (className) {\n            changed = true;\n            data[className] = value;\n          }\n        });\n      }\n      return changed;\n    }\n\n    function handleCSSClassChanges() {\n      forEach(postDigestElements, function(element) {\n        var data = postDigestQueue.get(element);\n        if (data) {\n          var existing = splitClasses(element.attr('class'));\n          var toAdd = '';\n          var toRemove = '';\n          forEach(data, function(status, className) {\n            var hasClass = !!existing[className];\n            if (status !== hasClass) {\n              if (status) {\n                toAdd += (toAdd.length ? ' ' : '') + className;\n              } else {\n                toRemove += (toRemove.length ? ' ' : '') + className;\n              }\n            }\n          });\n\n          forEach(element, function(elm) {\n            if (toAdd) {\n              jqLiteAddClass(elm, toAdd);\n            }\n            if (toRemove) {\n              jqLiteRemoveClass(elm, toRemove);\n            }\n          });\n          postDigestQueue.delete(element);\n        }\n      });\n      postDigestElements.length = 0;\n    }\n\n\n    function addRemoveClassesPostDigest(element, add, remove) {\n      var data = postDigestQueue.get(element) || {};\n\n      var classesAdded = updateData(data, add, true);\n      var classesRemoved = updateData(data, remove, false);\n\n      if (classesAdded || classesRemoved) {\n\n        postDigestQueue.set(element, data);\n        postDigestElements.push(element);\n\n        if (postDigestElements.length === 1) {\n          $rootScope.$$postDigest(handleCSSClassChanges);\n        }\n      }\n    }\n  }];\n};\n\n/**\n * @ngdoc provider\n * @name $animateProvider\n *\n * @description\n * Default implementation of $animate that doesn't perform any animations, instead just\n * synchronously performs DOM updates and resolves the returned runner promise.\n *\n * In order to enable animations the `ngAnimate` module has to be loaded.\n *\n * To see the functional implementation check out `src/ngAnimate/animate.js`.\n */\nvar $AnimateProvider = ['$provide', /** @this */ function($provide) {\n  var provider = this;\n  var classNameFilter = null;\n  var customFilter = null;\n\n  this.$$registeredAnimations = Object.create(null);\n\n   /**\n   * @ngdoc method\n   * @name $animateProvider#register\n   *\n   * @description\n   * Registers a new injectable animation factory function. The factory function produces the\n   * animation object which contains callback functions for each event that is expected to be\n   * animated.\n   *\n   *   * `eventFn`: `function(element, ... , doneFunction, options)`\n   *   The element to animate, the `doneFunction` and the options fed into the animation. Depending\n   *   on the type of animation additional arguments will be injected into the animation function. The\n   *   list below explains the function signatures for the different animation methods:\n   *\n   *   - setClass: function(element, addedClasses, removedClasses, doneFunction, options)\n   *   - addClass: function(element, addedClasses, doneFunction, options)\n   *   - removeClass: function(element, removedClasses, doneFunction, options)\n   *   - enter, leave, move: function(element, doneFunction, options)\n   *   - animate: function(element, fromStyles, toStyles, doneFunction, options)\n   *\n   *   Make sure to trigger the `doneFunction` once the animation is fully complete.\n   *\n   * ```js\n   *   return {\n   *     //enter, leave, move signature\n   *     eventFn : function(element, done, options) {\n   *       //code to run the animation\n   *       //once complete, then run done()\n   *       return function endFunction(wasCancelled) {\n   *         //code to cancel the animation\n   *       }\n   *     }\n   *   }\n   * ```\n   *\n   * @param {string} name The name of the animation (this is what the class-based CSS value will be compared to).\n   * @param {Function} factory The factory function that will be executed to return the animation\n   *                           object.\n   */\n  this.register = function(name, factory) {\n    if (name && name.charAt(0) !== '.') {\n      throw $animateMinErr('notcsel', 'Expecting class selector starting with \\'.\\' got \\'{0}\\'.', name);\n    }\n\n    var key = name + '-animation';\n    provider.$$registeredAnimations[name.substr(1)] = key;\n    $provide.factory(key, factory);\n  };\n\n  /**\n   * @ngdoc method\n   * @name $animateProvider#customFilter\n   *\n   * @description\n   * Sets and/or returns the custom filter function that is used to \"filter\" animations, i.e.\n   * determine if an animation is allowed or not. When no filter is specified (the default), no\n   * animation will be blocked. Setting the `customFilter` value will only allow animations for\n   * which the filter function's return value is truthy.\n   *\n   * This allows to easily create arbitrarily complex rules for filtering animations, such as\n   * allowing specific events only, or enabling animations on specific subtrees of the DOM, etc.\n   * Filtering animations can also boost performance for low-powered devices, as well as\n   * applications containing a lot of structural operations.\n   *\n   * <div class=\"alert alert-success\">\n   *   **Best Practice:**\n   *   Keep the filtering function as lean as possible, because it will be called for each DOM\n   *   action (e.g. insertion, removal, class change) performed by \"animation-aware\" directives.\n   *   See {@link guide/animations#which-directives-support-animations- here} for a list of built-in\n   *   directives that support animations.\n   *   Performing computationally expensive or time-consuming operations on each call of the\n   *   filtering function can make your animations sluggish.\n   * </div>\n   *\n   * **Note:** If present, `customFilter` will be checked before\n   * {@link $animateProvider#classNameFilter classNameFilter}.\n   *\n   * @param {Function=} filterFn - The filter function which will be used to filter all animations.\n   *   If a falsy value is returned, no animation will be performed. The function will be called\n   *   with the following arguments:\n   *   - **node** `{DOMElement}` - The DOM element to be animated.\n   *   - **event** `{String}` - The name of the animation event (e.g. `enter`, `leave`, `addClass`\n   *     etc).\n   *   - **options** `{Object}` - A collection of options/styles used for the animation.\n   * @return {Function} The current filter function or `null` if there is none set.\n   */\n  this.customFilter = function(filterFn) {\n    if (arguments.length === 1) {\n      customFilter = isFunction(filterFn) ? filterFn : null;\n    }\n\n    return customFilter;\n  };\n\n  /**\n   * @ngdoc method\n   * @name $animateProvider#classNameFilter\n   *\n   * @description\n   * Sets and/or returns the CSS class regular expression that is checked when performing\n   * an animation. Upon bootstrap the classNameFilter value is not set at all and will\n   * therefore enable $animate to attempt to perform an animation on any element that is triggered.\n   * When setting the `classNameFilter` value, animations will only be performed on elements\n   * that successfully match the filter expression. This in turn can boost performance\n   * for low-powered devices as well as applications containing a lot of structural operations.\n   *\n   * **Note:** If present, `classNameFilter` will be checked after\n   * {@link $animateProvider#customFilter customFilter}. If `customFilter` is present and returns\n   * false, `classNameFilter` will not be checked.\n   *\n   * @param {RegExp=} expression The className expression which will be checked against all animations\n   * @return {RegExp} The current CSS className expression value. If null then there is no expression value\n   */\n  this.classNameFilter = function(expression) {\n    if (arguments.length === 1) {\n      classNameFilter = (expression instanceof RegExp) ? expression : null;\n      if (classNameFilter) {\n        var reservedRegex = new RegExp('[(\\\\s|\\\\/)]' + NG_ANIMATE_CLASSNAME + '[(\\\\s|\\\\/)]');\n        if (reservedRegex.test(classNameFilter.toString())) {\n          classNameFilter = null;\n          throw $animateMinErr('nongcls', '$animateProvider.classNameFilter(regex) prohibits accepting a regex value which matches/contains the \"{0}\" CSS class.', NG_ANIMATE_CLASSNAME);\n        }\n      }\n    }\n    return classNameFilter;\n  };\n\n  this.$get = ['$$animateQueue', function($$animateQueue) {\n    function domInsert(element, parentElement, afterElement) {\n      // if for some reason the previous element was removed\n      // from the dom sometime before this code runs then let's\n      // just stick to using the parent element as the anchor\n      if (afterElement) {\n        var afterNode = extractElementNode(afterElement);\n        if (afterNode && !afterNode.parentNode && !afterNode.previousElementSibling) {\n          afterElement = null;\n        }\n      }\n      if (afterElement) {\n        afterElement.after(element);\n      } else {\n        parentElement.prepend(element);\n      }\n    }\n\n    /**\n     * @ngdoc service\n     * @name $animate\n     * @description The $animate service exposes a series of DOM utility methods that provide support\n     * for animation hooks. The default behavior is the application of DOM operations, however,\n     * when an animation is detected (and animations are enabled), $animate will do the heavy lifting\n     * to ensure that animation runs with the triggered DOM operation.\n     *\n     * By default $animate doesn't trigger any animations. This is because the `ngAnimate` module isn't\n     * included and only when it is active then the animation hooks that `$animate` triggers will be\n     * functional. Once active then all structural `ng-` directives will trigger animations as they perform\n     * their DOM-related operations (enter, leave and move). Other directives such as `ngClass`,\n     * `ngShow`, `ngHide` and `ngMessages` also provide support for animations.\n     *\n     * It is recommended that the`$animate` service is always used when executing DOM-related procedures within directives.\n     *\n     * To learn more about enabling animation support, click here to visit the\n     * {@link ngAnimate ngAnimate module page}.\n     */\n    return {\n      // we don't call it directly since non-existant arguments may\n      // be interpreted as null within the sub enabled function\n\n      /**\n       *\n       * @ngdoc method\n       * @name $animate#on\n       * @kind function\n       * @description Sets up an event listener to fire whenever the animation event (enter, leave, move, etc...)\n       *    has fired on the given element or among any of its children. Once the listener is fired, the provided callback\n       *    is fired with the following params:\n       *\n       * ```js\n       * $animate.on('enter', container,\n       *    function callback(element, phase) {\n       *      // cool we detected an enter animation within the container\n       *    }\n       * );\n       * ```\n       *\n       * <div class=\"alert alert-warning\">\n       * **Note**: Generally, the events that are fired correspond 1:1 to `$animate` method names,\n       * e.g. {@link ng.$animate#addClass addClass()} will fire `addClass`, and {@link ng.ngClass}\n       * will fire `addClass` if classes are added, and `removeClass` if classes are removed.\n       * However, there are two exceptions:\n       *\n       * <ul>\n       *   <li>if both an {@link ng.$animate#addClass addClass()} and a\n       *   {@link ng.$animate#removeClass removeClass()} action are performed during the same\n       *   animation, the event fired will be `setClass`. This is true even for `ngClass`.</li>\n       *   <li>an {@link ng.$animate#animate animate()} call that adds and removes classes will fire\n       *   the `setClass` event, but if it either removes or adds classes,\n       *   it will fire `animate` instead.</li>\n       * </ul>\n       *\n       * </div>\n       *\n       * @param {string} event the animation event that will be captured (e.g. enter, leave, move, addClass, removeClass, etc...)\n       * @param {DOMElement} container the container element that will capture each of the animation events that are fired on itself\n       *     as well as among its children\n       * @param {Function} callback the callback function that will be fired when the listener is triggered.\n       *\n       * The arguments present in the callback function are:\n       * * `element` - The captured DOM element that the animation was fired on.\n       * * `phase` - The phase of the animation. The two possible phases are **start** (when the animation starts) and **close** (when it ends).\n       * * `data` - an object with these properties:\n       *     * addClass - `{string|null}` - space-separated CSS classes to add to the element\n       *     * removeClass - `{string|null}` - space-separated CSS classes to remove from the element\n       *     * from - `{Object|null}` - CSS properties & values at the beginning of the animation\n       *     * to - `{Object|null}` - CSS properties & values at the end of the animation\n       *\n       * Note that the callback does not trigger a scope digest. Wrap your call into a\n       * {@link $rootScope.Scope#$apply scope.$apply} to propagate changes to the scope.\n       */\n      on: $$animateQueue.on,\n\n      /**\n       *\n       * @ngdoc method\n       * @name $animate#off\n       * @kind function\n       * @description Deregisters an event listener based on the event which has been associated with the provided element. This method\n       * can be used in three different ways depending on the arguments:\n       *\n       * ```js\n       * // remove all the animation event listeners listening for `enter`\n       * $animate.off('enter');\n       *\n       * // remove listeners for all animation events from the container element\n       * $animate.off(container);\n       *\n       * // remove all the animation event listeners listening for `enter` on the given element and its children\n       * $animate.off('enter', container);\n       *\n       * // remove the event listener function provided by `callback` that is set\n       * // to listen for `enter` on the given `container` as well as its children\n       * $animate.off('enter', container, callback);\n       * ```\n       *\n       * @param {string|DOMElement} event|container the animation event (e.g. enter, leave, move,\n       * addClass, removeClass, etc...), or the container element. If it is the element, all other\n       * arguments are ignored.\n       * @param {DOMElement=} container the container element the event listener was placed on\n       * @param {Function=} callback the callback function that was registered as the listener\n       */\n      off: $$animateQueue.off,\n\n      /**\n       * @ngdoc method\n       * @name $animate#pin\n       * @kind function\n       * @description Associates the provided element with a host parent element to allow the element to be animated even if it exists\n       *    outside of the DOM structure of the AngularJS application. By doing so, any animation triggered via `$animate` can be issued on the\n       *    element despite being outside the realm of the application or within another application. Say for example if the application\n       *    was bootstrapped on an element that is somewhere inside of the `<body>` tag, but we wanted to allow for an element to be situated\n       *    as a direct child of `document.body`, then this can be achieved by pinning the element via `$animate.pin(element)`. Keep in mind\n       *    that calling `$animate.pin(element, parentElement)` will not actually insert into the DOM anywhere; it will just create the association.\n       *\n       *    Note that this feature is only active when the `ngAnimate` module is used.\n       *\n       * @param {DOMElement} element the external element that will be pinned\n       * @param {DOMElement} parentElement the host parent element that will be associated with the external element\n       */\n      pin: $$animateQueue.pin,\n\n      /**\n       *\n       * @ngdoc method\n       * @name $animate#enabled\n       * @kind function\n       * @description Used to get and set whether animations are enabled or not on the entire application or on an element and its children. This\n       * function can be called in four ways:\n       *\n       * ```js\n       * // returns true or false\n       * $animate.enabled();\n       *\n       * // changes the enabled state for all animations\n       * $animate.enabled(false);\n       * $animate.enabled(true);\n       *\n       * // returns true or false if animations are enabled for an element\n       * $animate.enabled(element);\n       *\n       * // changes the enabled state for an element and its children\n       * $animate.enabled(element, true);\n       * $animate.enabled(element, false);\n       * ```\n       *\n       * @param {DOMElement=} element the element that will be considered for checking/setting the enabled state\n       * @param {boolean=} enabled whether or not the animations will be enabled for the element\n       *\n       * @return {boolean} whether or not animations are enabled\n       */\n      enabled: $$animateQueue.enabled,\n\n      /**\n       * @ngdoc method\n       * @name $animate#cancel\n       * @kind function\n       * @description Cancels the provided animation and applies the end state of the animation.\n       * Note that this does not cancel the underlying operation, e.g. the setting of classes or\n       * adding the element to the DOM.\n       *\n       * @param {animationRunner} animationRunner An animation runner returned by an $animate function.\n       *\n       * @example\n        <example module=\"animationExample\" deps=\"angular-animate.js\" animations=\"true\" name=\"animate-cancel\">\n          <file name=\"app.js\">\n            angular.module('animationExample', ['ngAnimate']).component('cancelExample', {\n              templateUrl: 'template.html',\n              controller: function($element, $animate) {\n                this.runner = null;\n\n                this.addClass = function() {\n                  this.runner = $animate.addClass($element.find('div'), 'red');\n                  var ctrl = this;\n                  this.runner.finally(function() {\n                    ctrl.runner = null;\n                  });\n                };\n\n                this.removeClass = function() {\n                  this.runner = $animate.removeClass($element.find('div'), 'red');\n                  var ctrl = this;\n                  this.runner.finally(function() {\n                    ctrl.runner = null;\n                  });\n                };\n\n                this.cancel = function() {\n                  $animate.cancel(this.runner);\n                };\n              }\n            });\n          </file>\n          <file name=\"template.html\">\n            <p>\n              <button id=\"add\" ng-click=\"$ctrl.addClass()\">Add</button>\n              <button ng-click=\"$ctrl.removeClass()\">Remove</button>\n              <br>\n              <button id=\"cancel\" ng-click=\"$ctrl.cancel()\" ng-disabled=\"!$ctrl.runner\">Cancel</button>\n              <br>\n              <div id=\"target\">CSS-Animated Text</div>\n            </p>\n          </file>\n          <file name=\"index.html\">\n            <cancel-example></cancel-example>\n          </file>\n          <file name=\"style.css\">\n            .red-add, .red-remove {\n              transition: all 4s cubic-bezier(0.250, 0.460, 0.450, 0.940);\n            }\n\n            .red,\n            .red-add.red-add-active {\n              color: #FF0000;\n              font-size: 40px;\n            }\n\n            .red-remove.red-remove-active {\n              font-size: 10px;\n              color: black;\n            }\n\n          </file>\n        </example>\n       */\n      cancel: function(runner) {\n        if (runner.cancel) {\n          runner.cancel();\n        }\n      },\n\n      /**\n       *\n       * @ngdoc method\n       * @name $animate#enter\n       * @kind function\n       * @description Inserts the element into the DOM either after the `after` element (if provided) or\n       *   as the first child within the `parent` element and then triggers an animation.\n       *   A promise is returned that will be resolved during the next digest once the animation\n       *   has completed.\n       *\n       * @param {DOMElement} element the element which will be inserted into the DOM\n       * @param {DOMElement} parent the parent element which will append the element as\n       *   a child (so long as the after element is not present)\n       * @param {DOMElement=} after the sibling element after which the element will be appended\n       * @param {object=} options an optional collection of options/styles that will be applied to the element.\n       *   The object can have the following properties:\n       *\n       *   - **addClass** - `{string}` - space-separated CSS classes to add to element\n       *   - **from** - `{Object}` - CSS properties & values at the beginning of animation. Must have matching `to`\n       *   - **removeClass** - `{string}` - space-separated CSS classes to remove from element\n       *   - **to** - `{Object}` - CSS properties & values at end of animation. Must have matching `from`\n       *\n       * @return {Runner} the animation runner\n       */\n      enter: function(element, parent, after, options) {\n        parent = parent && jqLite(parent);\n        after = after && jqLite(after);\n        parent = parent || after.parent();\n        domInsert(element, parent, after);\n        return $$animateQueue.push(element, 'enter', prepareAnimateOptions(options));\n      },\n\n      /**\n       *\n       * @ngdoc method\n       * @name $animate#move\n       * @kind function\n       * @description Inserts (moves) the element into its new position in the DOM either after\n       *   the `after` element (if provided) or as the first child within the `parent` element\n       *   and then triggers an animation. A promise is returned that will be resolved\n       *   during the next digest once the animation has completed.\n       *\n       * @param {DOMElement} element the element which will be moved into the new DOM position\n       * @param {DOMElement} parent the parent element which will append the element as\n       *   a child (so long as the after element is not present)\n       * @param {DOMElement=} after the sibling element after which the element will be appended\n       * @param {object=} options an optional collection of options/styles that will be applied to the element.\n       *   The object can have the following properties:\n       *\n       *   - **addClass** - `{string}` - space-separated CSS classes to add to element\n       *   - **from** - `{Object}` - CSS properties & values at the beginning of animation. Must have matching `to`\n       *   - **removeClass** - `{string}` - space-separated CSS classes to remove from element\n       *   - **to** - `{Object}` - CSS properties & values at end of animation. Must have matching `from`\n       *\n       * @return {Runner} the animation runner\n       */\n      move: function(element, parent, after, options) {\n        parent = parent && jqLite(parent);\n        after = after && jqLite(after);\n        parent = parent || after.parent();\n        domInsert(element, parent, after);\n        return $$animateQueue.push(element, 'move', prepareAnimateOptions(options));\n      },\n\n      /**\n       * @ngdoc method\n       * @name $animate#leave\n       * @kind function\n       * @description Triggers an animation and then removes the element from the DOM.\n       * When the function is called a promise is returned that will be resolved during the next\n       * digest once the animation has completed.\n       *\n       * @param {DOMElement} element the element which will be removed from the DOM\n       * @param {object=} options an optional collection of options/styles that will be applied to the element.\n       *   The object can have the following properties:\n       *\n       *   - **addClass** - `{string}` - space-separated CSS classes to add to element\n       *   - **from** - `{Object}` - CSS properties & values at the beginning of animation. Must have matching `to`\n       *   - **removeClass** - `{string}` - space-separated CSS classes to remove from element\n       *   - **to** - `{Object}` - CSS properties & values at end of animation. Must have matching `from`\n       *\n       * @return {Runner} the animation runner\n       */\n      leave: function(element, options) {\n        return $$animateQueue.push(element, 'leave', prepareAnimateOptions(options), function() {\n          element.remove();\n        });\n      },\n\n      /**\n       * @ngdoc method\n       * @name $animate#addClass\n       * @kind function\n       *\n       * @description Triggers an addClass animation surrounding the addition of the provided CSS class(es). Upon\n       *   execution, the addClass operation will only be handled after the next digest and it will not trigger an\n       *   animation if element already contains the CSS class or if the class is removed at a later step.\n       *   Note that class-based animations are treated differently compared to structural animations\n       *   (like enter, move and leave) since the CSS classes may be added/removed at different points\n       *   depending if CSS or JavaScript animations are used.\n       *\n       * @param {DOMElement} element the element which the CSS classes will be applied to\n       * @param {string} className the CSS class(es) that will be added (multiple classes are separated via spaces)\n       * @param {object=} options an optional collection of options/styles that will be applied to the element.\n       *   The object can have the following properties:\n       *\n       *   - **removeClass** - `{string}` - space-separated CSS classes to remove from element\n       *   - **from** - `{Object}` - CSS properties & values at the beginning of animation. Must have matching `to`\n       *   - **to** - `{Object}` - CSS properties & values at end of animation. Must have matching `from`\n       *\n       * @return {Runner} animationRunner the animation runner\n       */\n      addClass: function(element, className, options) {\n        options = prepareAnimateOptions(options);\n        options.addClass = mergeClasses(options.addclass, className);\n        return $$animateQueue.push(element, 'addClass', options);\n      },\n\n      /**\n       * @ngdoc method\n       * @name $animate#removeClass\n       * @kind function\n       *\n       * @description Triggers a removeClass animation surrounding the removal of the provided CSS class(es). Upon\n       *   execution, the removeClass operation will only be handled after the next digest and it will not trigger an\n       *   animation if element does not contain the CSS class or if the class is added at a later step.\n       *   Note that class-based animations are treated differently compared to structural animations\n       *   (like enter, move and leave) since the CSS classes may be added/removed at different points\n       *   depending if CSS or JavaScript animations are used.\n       *\n       * @param {DOMElement} element the element which the CSS classes will be applied to\n       * @param {string} className the CSS class(es) that will be removed (multiple classes are separated via spaces)\n       * @param {object=} options an optional collection of options/styles that will be applied to the element.\n       *   The object can have the following properties:\n       *\n       *   - **addClass** - `{string}` - space-separated CSS classes to add to element\n       *   - **from** - `{Object}` - CSS properties & values at the beginning of animation. Must have matching `to`\n       *   - **to** - `{Object}` - CSS properties & values at end of animation. Must have matching `from`\n       *\n       * @return {Runner} the animation runner\n       */\n      removeClass: function(element, className, options) {\n        options = prepareAnimateOptions(options);\n        options.removeClass = mergeClasses(options.removeClass, className);\n        return $$animateQueue.push(element, 'removeClass', options);\n      },\n\n      /**\n       * @ngdoc method\n       * @name $animate#setClass\n       * @kind function\n       *\n       * @description Performs both the addition and removal of a CSS classes on an element and (during the process)\n       *    triggers an animation surrounding the class addition/removal. Much like `$animate.addClass` and\n       *    `$animate.removeClass`, `setClass` will only evaluate the classes being added/removed once a digest has\n       *    passed. Note that class-based animations are treated differently compared to structural animations\n       *    (like enter, move and leave) since the CSS classes may be added/removed at different points\n       *    depending if CSS or JavaScript animations are used.\n       *\n       * @param {DOMElement} element the element which the CSS classes will be applied to\n       * @param {string} add the CSS class(es) that will be added (multiple classes are separated via spaces)\n       * @param {string} remove the CSS class(es) that will be removed (multiple classes are separated via spaces)\n       * @param {object=} options an optional collection of options/styles that will be applied to the element.\n       *   The object can have the following properties:\n       *\n       *   - **addClass** - `{string}` - space-separated CSS classes to add to element\n       *   - **removeClass** - `{string}` - space-separated CSS classes to remove from element\n       *   - **from** - `{Object}` - CSS properties & values at the beginning of animation. Must have matching `to`\n       *   - **to** - `{Object}` - CSS properties & values at end of animation. Must have matching `from`\n       *\n       * @return {Runner} the animation runner\n       */\n      setClass: function(element, add, remove, options) {\n        options = prepareAnimateOptions(options);\n        options.addClass = mergeClasses(options.addClass, add);\n        options.removeClass = mergeClasses(options.removeClass, remove);\n        return $$animateQueue.push(element, 'setClass', options);\n      },\n\n      /**\n       * @ngdoc method\n       * @name $animate#animate\n       * @kind function\n       *\n       * @description Performs an inline animation on the element which applies the provided to and from CSS styles to the element.\n       * If any detected CSS transition, keyframe or JavaScript matches the provided className value, then the animation will take\n       * on the provided styles. For example, if a transition animation is set for the given className, then the provided `from` and\n       * `to` styles will be applied alongside the given transition. If the CSS style provided in `from` does not have a corresponding\n       * style in `to`, the style in `from` is applied immediately, and no animation is run.\n       * If a JavaScript animation is detected then the provided styles will be given in as function parameters into the `animate`\n       * method (or as part of the `options` parameter):\n       *\n       * ```js\n       * ngModule.animation('.my-inline-animation', function() {\n       *   return {\n       *     animate : function(element, from, to, done, options) {\n       *       //animation\n       *       done();\n       *     }\n       *   }\n       * });\n       * ```\n       *\n       * @param {DOMElement} element the element which the CSS styles will be applied to\n       * @param {object} from the from (starting) CSS styles that will be applied to the element and across the animation.\n       * @param {object} to the to (destination) CSS styles that will be applied to the element and across the animation.\n       * @param {string=} className an optional CSS class that will be applied to the element for the duration of the animation. If\n       *    this value is left as empty then a CSS class of `ng-inline-animate` will be applied to the element.\n       *    (Note that if no animation is detected then this value will not be applied to the element.)\n       * @param {object=} options an optional collection of options/styles that will be applied to the element.\n       *   The object can have the following properties:\n       *\n       *   - **addClass** - `{string}` - space-separated CSS classes to add to element\n       *   - **from** - `{Object}` - CSS properties & values at the beginning of animation. Must have matching `to`\n       *   - **removeClass** - `{string}` - space-separated CSS classes to remove from element\n       *   - **to** - `{Object}` - CSS properties & values at end of animation. Must have matching `from`\n       *\n       * @return {Runner} the animation runner\n       */\n      animate: function(element, from, to, className, options) {\n        options = prepareAnimateOptions(options);\n        options.from = options.from ? extend(options.from, from) : from;\n        options.to   = options.to   ? extend(options.to, to)     : to;\n\n        className = className || 'ng-inline-animate';\n        options.tempClasses = mergeClasses(options.tempClasses, className);\n        return $$animateQueue.push(element, 'animate', options);\n      }\n    };\n  }];\n}];\n\nvar $$AnimateAsyncRunFactoryProvider = /** @this */ function() {\n  this.$get = ['$$rAF', function($$rAF) {\n    var waitQueue = [];\n\n    function waitForTick(fn) {\n      waitQueue.push(fn);\n      if (waitQueue.length > 1) return;\n      $$rAF(function() {\n        for (var i = 0; i < waitQueue.length; i++) {\n          waitQueue[i]();\n        }\n        waitQueue = [];\n      });\n    }\n\n    return function() {\n      var passed = false;\n      waitForTick(function() {\n        passed = true;\n      });\n      return function(callback) {\n        if (passed) {\n          callback();\n        } else {\n          waitForTick(callback);\n        }\n      };\n    };\n  }];\n};\n\nvar $$AnimateRunnerFactoryProvider = /** @this */ function() {\n  this.$get = ['$q', '$sniffer', '$$animateAsyncRun', '$$isDocumentHidden', '$timeout',\n       function($q,   $sniffer,   $$animateAsyncRun,   $$isDocumentHidden,   $timeout) {\n\n    var INITIAL_STATE = 0;\n    var DONE_PENDING_STATE = 1;\n    var DONE_COMPLETE_STATE = 2;\n\n    AnimateRunner.chain = function(chain, callback) {\n      var index = 0;\n\n      next();\n      function next() {\n        if (index === chain.length) {\n          callback(true);\n          return;\n        }\n\n        chain[index](function(response) {\n          if (response === false) {\n            callback(false);\n            return;\n          }\n          index++;\n          next();\n        });\n      }\n    };\n\n    AnimateRunner.all = function(runners, callback) {\n      var count = 0;\n      var status = true;\n      forEach(runners, function(runner) {\n        runner.done(onProgress);\n      });\n\n      function onProgress(response) {\n        status = status && response;\n        if (++count === runners.length) {\n          callback(status);\n        }\n      }\n    };\n\n    function AnimateRunner(host) {\n      this.setHost(host);\n\n      var rafTick = $$animateAsyncRun();\n      var timeoutTick = function(fn) {\n        $timeout(fn, 0, false);\n      };\n\n      this._doneCallbacks = [];\n      this._tick = function(fn) {\n        if ($$isDocumentHidden()) {\n          timeoutTick(fn);\n        } else {\n          rafTick(fn);\n        }\n      };\n      this._state = 0;\n    }\n\n    AnimateRunner.prototype = {\n      setHost: function(host) {\n        this.host = host || {};\n      },\n\n      done: function(fn) {\n        if (this._state === DONE_COMPLETE_STATE) {\n          fn();\n        } else {\n          this._doneCallbacks.push(fn);\n        }\n      },\n\n      progress: noop,\n\n      getPromise: function() {\n        if (!this.promise) {\n          var self = this;\n          this.promise = $q(function(resolve, reject) {\n            self.done(function(status) {\n              if (status === false) {\n                reject();\n              } else {\n                resolve();\n              }\n            });\n          });\n        }\n        return this.promise;\n      },\n\n      then: function(resolveHandler, rejectHandler) {\n        return this.getPromise().then(resolveHandler, rejectHandler);\n      },\n\n      'catch': function(handler) {\n        return this.getPromise()['catch'](handler);\n      },\n\n      'finally': function(handler) {\n        return this.getPromise()['finally'](handler);\n      },\n\n      pause: function() {\n        if (this.host.pause) {\n          this.host.pause();\n        }\n      },\n\n      resume: function() {\n        if (this.host.resume) {\n          this.host.resume();\n        }\n      },\n\n      end: function() {\n        if (this.host.end) {\n          this.host.end();\n        }\n        this._resolve(true);\n      },\n\n      cancel: function() {\n        if (this.host.cancel) {\n          this.host.cancel();\n        }\n        this._resolve(false);\n      },\n\n      complete: function(response) {\n        var self = this;\n        if (self._state === INITIAL_STATE) {\n          self._state = DONE_PENDING_STATE;\n          self._tick(function() {\n            self._resolve(response);\n          });\n        }\n      },\n\n      _resolve: function(response) {\n        if (this._state !== DONE_COMPLETE_STATE) {\n          forEach(this._doneCallbacks, function(fn) {\n            fn(response);\n          });\n          this._doneCallbacks.length = 0;\n          this._state = DONE_COMPLETE_STATE;\n        }\n      }\n    };\n\n    return AnimateRunner;\n  }];\n};\n\n/* exported $CoreAnimateCssProvider */\n\n/**\n * @ngdoc service\n * @name $animateCss\n * @kind object\n * @this\n *\n * @description\n * This is the core version of `$animateCss`. By default, only when the `ngAnimate` is included,\n * then the `$animateCss` service will actually perform animations.\n *\n * Click here {@link ngAnimate.$animateCss to read the documentation for $animateCss}.\n */\nvar $CoreAnimateCssProvider = function() {\n  this.$get = ['$$rAF', '$q', '$$AnimateRunner', function($$rAF, $q, $$AnimateRunner) {\n\n    return function(element, initialOptions) {\n      // all of the animation functions should create\n      // a copy of the options data, however, if a\n      // parent service has already created a copy then\n      // we should stick to using that\n      var options = initialOptions || {};\n      if (!options.$$prepared) {\n        options = copy(options);\n      }\n\n      // there is no point in applying the styles since\n      // there is no animation that goes on at all in\n      // this version of $animateCss.\n      if (options.cleanupStyles) {\n        options.from = options.to = null;\n      }\n\n      if (options.from) {\n        element.css(options.from);\n        options.from = null;\n      }\n\n      var closed, runner = new $$AnimateRunner();\n      return {\n        start: run,\n        end: run\n      };\n\n      function run() {\n        $$rAF(function() {\n          applyAnimationContents();\n          if (!closed) {\n            runner.complete();\n          }\n          closed = true;\n        });\n        return runner;\n      }\n\n      function applyAnimationContents() {\n        if (options.addClass) {\n          element.addClass(options.addClass);\n          options.addClass = null;\n        }\n        if (options.removeClass) {\n          element.removeClass(options.removeClass);\n          options.removeClass = null;\n        }\n        if (options.to) {\n          element.css(options.to);\n          options.to = null;\n        }\n      }\n    };\n  }];\n};\n\n/* global getHash: true, stripHash: false */\n\nfunction getHash(url) {\n  var index = url.indexOf('#');\n  return index === -1 ? '' : url.substr(index);\n}\n\nfunction trimEmptyHash(url) {\n  return url.replace(/#$/, '');\n}\n\n/**\n * ! This is a private undocumented service !\n *\n * @name $browser\n * @requires $log\n * @description\n * This object has two goals:\n *\n * - hide all the global state in the browser caused by the window object\n * - abstract away all the browser specific features and inconsistencies\n *\n * For tests we provide {@link ngMock.$browser mock implementation} of the `$browser`\n * service, which can be used for convenient testing of the application without the interaction with\n * the real browser apis.\n */\n/**\n * @param {object} window The global window object.\n * @param {object} document jQuery wrapped document.\n * @param {object} $log window.console or an object with the same interface.\n * @param {object} $sniffer $sniffer service\n */\nfunction Browser(window, document, $log, $sniffer, $$taskTrackerFactory) {\n  var self = this,\n      location = window.location,\n      history = window.history,\n      setTimeout = window.setTimeout,\n      clearTimeout = window.clearTimeout,\n      pendingDeferIds = {},\n      taskTracker = $$taskTrackerFactory($log);\n\n  self.isMock = false;\n\n  //////////////////////////////////////////////////////////////\n  // Task-tracking API\n  //////////////////////////////////////////////////////////////\n\n  // TODO(vojta): remove this temporary api\n  self.$$completeOutstandingRequest = taskTracker.completeTask;\n  self.$$incOutstandingRequestCount = taskTracker.incTaskCount;\n\n  // TODO(vojta): prefix this method with $$ ?\n  self.notifyWhenNoOutstandingRequests = taskTracker.notifyWhenNoPendingTasks;\n\n  //////////////////////////////////////////////////////////////\n  // URL API\n  //////////////////////////////////////////////////////////////\n\n  var cachedState, lastHistoryState,\n      lastBrowserUrl = location.href,\n      baseElement = document.find('base'),\n      pendingLocation = null,\n      getCurrentState = !$sniffer.history ? noop : function getCurrentState() {\n        try {\n          return history.state;\n        } catch (e) {\n          // MSIE can reportedly throw when there is no state (UNCONFIRMED).\n        }\n      };\n\n  cacheState();\n\n  /**\n   * @name $browser#url\n   *\n   * @description\n   * GETTER:\n   * Without any argument, this method just returns current value of `location.href` (with a\n   * trailing `#` stripped of if the hash is empty).\n   *\n   * SETTER:\n   * With at least one argument, this method sets url to new value.\n   * If html5 history api supported, `pushState`/`replaceState` is used, otherwise\n   * `location.href`/`location.replace` is used.\n   * Returns its own instance to allow chaining.\n   *\n   * NOTE: this api is intended for use only by the `$location` service. Please use the\n   * {@link ng.$location $location service} to change url.\n   *\n   * @param {string} url New url (when used as setter)\n   * @param {boolean=} replace Should new url replace current history record?\n   * @param {object=} state State object to use with `pushState`/`replaceState`\n   */\n  self.url = function(url, replace, state) {\n    // In modern browsers `history.state` is `null` by default; treating it separately\n    // from `undefined` would cause `$browser.url('/foo')` to change `history.state`\n    // to undefined via `pushState`. Instead, let's change `undefined` to `null` here.\n    if (isUndefined(state)) {\n      state = null;\n    }\n\n    // Android Browser BFCache causes location, history reference to become stale.\n    if (location !== window.location) location = window.location;\n    if (history !== window.history) history = window.history;\n\n    // setter\n    if (url) {\n      var sameState = lastHistoryState === state;\n\n      // Normalize the inputted URL\n      url = urlResolve(url).href;\n\n      // Don't change anything if previous and current URLs and states match. This also prevents\n      // IE<10 from getting into redirect loop when in LocationHashbangInHtml5Url mode.\n      // See https://github.com/angular/angular.js/commit/ffb2701\n      if (lastBrowserUrl === url && (!$sniffer.history || sameState)) {\n        return self;\n      }\n      var sameBase = lastBrowserUrl && stripHash(lastBrowserUrl) === stripHash(url);\n      lastBrowserUrl = url;\n      lastHistoryState = state;\n      // Don't use history API if only the hash changed\n      // due to a bug in IE10/IE11 which leads\n      // to not firing a `hashchange` nor `popstate` event\n      // in some cases (see #9143).\n      if ($sniffer.history && (!sameBase || !sameState)) {\n        history[replace ? 'replaceState' : 'pushState'](state, '', url);\n        cacheState();\n      } else {\n        if (!sameBase) {\n          pendingLocation = url;\n        }\n        if (replace) {\n          location.replace(url);\n        } else if (!sameBase) {\n          location.href = url;\n        } else {\n          location.hash = getHash(url);\n        }\n        if (location.href !== url) {\n          pendingLocation = url;\n        }\n      }\n      if (pendingLocation) {\n        pendingLocation = url;\n      }\n      return self;\n    // getter\n    } else {\n      // - pendingLocation is needed as browsers don't allow to read out\n      //   the new location.href if a reload happened or if there is a bug like in iOS 9 (see\n      //   https://openradar.appspot.com/22186109).\n      return trimEmptyHash(pendingLocation || location.href);\n    }\n  };\n\n  /**\n   * @name $browser#state\n   *\n   * @description\n   * This method is a getter.\n   *\n   * Return history.state or null if history.state is undefined.\n   *\n   * @returns {object} state\n   */\n  self.state = function() {\n    return cachedState;\n  };\n\n  var urlChangeListeners = [],\n      urlChangeInit = false;\n\n  function cacheStateAndFireUrlChange() {\n    pendingLocation = null;\n    fireStateOrUrlChange();\n  }\n\n  // This variable should be used *only* inside the cacheState function.\n  var lastCachedState = null;\n  function cacheState() {\n    // This should be the only place in $browser where `history.state` is read.\n    cachedState = getCurrentState();\n    cachedState = isUndefined(cachedState) ? null : cachedState;\n\n    // Prevent callbacks fo fire twice if both hashchange & popstate were fired.\n    if (equals(cachedState, lastCachedState)) {\n      cachedState = lastCachedState;\n    }\n\n    lastCachedState = cachedState;\n    lastHistoryState = cachedState;\n  }\n\n  function fireStateOrUrlChange() {\n    var prevLastHistoryState = lastHistoryState;\n    cacheState();\n\n    if (lastBrowserUrl === self.url() && prevLastHistoryState === cachedState) {\n      return;\n    }\n\n    lastBrowserUrl = self.url();\n    lastHistoryState = cachedState;\n    forEach(urlChangeListeners, function(listener) {\n      listener(self.url(), cachedState);\n    });\n  }\n\n  /**\n   * @name $browser#onUrlChange\n   *\n   * @description\n   * Register callback function that will be called, when url changes.\n   *\n   * It's only called when the url is changed from outside of AngularJS:\n   * - user types different url into address bar\n   * - user clicks on history (forward/back) button\n   * - user clicks on a link\n   *\n   * It's not called when url is changed by $browser.url() method\n   *\n   * The listener gets called with new url as parameter.\n   *\n   * NOTE: this api is intended for use only by the $location service. Please use the\n   * {@link ng.$location $location service} to monitor url changes in AngularJS apps.\n   *\n   * @param {function(string)} listener Listener function to be called when url changes.\n   * @return {function(string)} Returns the registered listener fn - handy if the fn is anonymous.\n   */\n  self.onUrlChange = function(callback) {\n    // TODO(vojta): refactor to use node's syntax for events\n    if (!urlChangeInit) {\n      // We listen on both (hashchange/popstate) when available, as some browsers don't\n      // fire popstate when user changes the address bar and don't fire hashchange when url\n      // changed by push/replaceState\n\n      // html5 history api - popstate event\n      if ($sniffer.history) jqLite(window).on('popstate', cacheStateAndFireUrlChange);\n      // hashchange event\n      jqLite(window).on('hashchange', cacheStateAndFireUrlChange);\n\n      urlChangeInit = true;\n    }\n\n    urlChangeListeners.push(callback);\n    return callback;\n  };\n\n  /**\n   * @private\n   * Remove popstate and hashchange handler from window.\n   *\n   * NOTE: this api is intended for use only by $rootScope.\n   */\n  self.$$applicationDestroyed = function() {\n    jqLite(window).off('hashchange popstate', cacheStateAndFireUrlChange);\n  };\n\n  /**\n   * Checks whether the url has changed outside of AngularJS.\n   * Needs to be exported to be able to check for changes that have been done in sync,\n   * as hashchange/popstate events fire in async.\n   */\n  self.$$checkUrlChange = fireStateOrUrlChange;\n\n  //////////////////////////////////////////////////////////////\n  // Misc API\n  //////////////////////////////////////////////////////////////\n\n  /**\n   * @name $browser#baseHref\n   *\n   * @description\n   * Returns current <base href>\n   * (always relative - without domain)\n   *\n   * @returns {string} The current base href\n   */\n  self.baseHref = function() {\n    var href = baseElement.attr('href');\n    return href ? href.replace(/^(https?:)?\\/\\/[^/]*/, '') : '';\n  };\n\n  /**\n   * @name $browser#defer\n   * @param {function()} fn A function, who's execution should be deferred.\n   * @param {number=} [delay=0] Number of milliseconds to defer the function execution.\n   * @param {string=} [taskType=DEFAULT_TASK_TYPE] The type of task that is deferred.\n   * @returns {*} DeferId that can be used to cancel the task via `$browser.defer.cancel()`.\n   *\n   * @description\n   * Executes a fn asynchronously via `setTimeout(fn, delay)`.\n   *\n   * Unlike when calling `setTimeout` directly, in test this function is mocked and instead of using\n   * `setTimeout` in tests, the fns are queued in an array, which can be programmatically flushed\n   * via `$browser.defer.flush()`.\n   *\n   */\n  self.defer = function(fn, delay, taskType) {\n    var timeoutId;\n\n    delay = delay || 0;\n    taskType = taskType || taskTracker.DEFAULT_TASK_TYPE;\n\n    taskTracker.incTaskCount(taskType);\n    timeoutId = setTimeout(function() {\n      delete pendingDeferIds[timeoutId];\n      taskTracker.completeTask(fn, taskType);\n    }, delay);\n    pendingDeferIds[timeoutId] = taskType;\n\n    return timeoutId;\n  };\n\n\n  /**\n   * @name $browser#defer.cancel\n   *\n   * @description\n   * Cancels a deferred task identified with `deferId`.\n   *\n   * @param {*} deferId Token returned by the `$browser.defer` function.\n   * @returns {boolean} Returns `true` if the task hasn't executed yet and was successfully\n   *                    canceled.\n   */\n  self.defer.cancel = function(deferId) {\n    if (pendingDeferIds.hasOwnProperty(deferId)) {\n      var taskType = pendingDeferIds[deferId];\n      delete pendingDeferIds[deferId];\n      clearTimeout(deferId);\n      taskTracker.completeTask(noop, taskType);\n      return true;\n    }\n    return false;\n  };\n\n}\n\n/** @this */\nfunction $BrowserProvider() {\n  this.$get = ['$window', '$log', '$sniffer', '$document', '$$taskTrackerFactory',\n       function($window,   $log,   $sniffer,   $document,   $$taskTrackerFactory) {\n    return new Browser($window, $document, $log, $sniffer, $$taskTrackerFactory);\n  }];\n}\n\n/**\n * @ngdoc service\n * @name $cacheFactory\n * @this\n *\n * @description\n * Factory that constructs {@link $cacheFactory.Cache Cache} objects and gives access to\n * them.\n *\n * ```js\n *\n *  var cache = $cacheFactory('cacheId');\n *  expect($cacheFactory.get('cacheId')).toBe(cache);\n *  expect($cacheFactory.get('noSuchCacheId')).not.toBeDefined();\n *\n *  cache.put(\"key\", \"value\");\n *  cache.put(\"another key\", \"another value\");\n *\n *  // We've specified no options on creation\n *  expect(cache.info()).toEqual({id: 'cacheId', size: 2});\n *\n * ```\n *\n *\n * @param {string} cacheId Name or id of the newly created cache.\n * @param {object=} options Options object that specifies the cache behavior. Properties:\n *\n *   - `{number=}` `capacity` — turns the cache into LRU cache.\n *\n * @returns {object} Newly created cache object with the following set of methods:\n *\n * - `{object}` `info()` — Returns id, size, and options of cache.\n * - `{{*}}` `put({string} key, {*} value)` — Puts a new key-value pair into the cache and returns\n *   it.\n * - `{{*}}` `get({string} key)` — Returns cached value for `key` or undefined for cache miss.\n * - `{void}` `remove({string} key)` — Removes a key-value pair from the cache.\n * - `{void}` `removeAll()` — Removes all cached values.\n * - `{void}` `destroy()` — Removes references to this cache from $cacheFactory.\n *\n * @example\n   <example module=\"cacheExampleApp\" name=\"cache-factory\">\n     <file name=\"index.html\">\n       <div ng-controller=\"CacheController\">\n         <input ng-model=\"newCacheKey\" placeholder=\"Key\">\n         <input ng-model=\"newCacheValue\" placeholder=\"Value\">\n         <button ng-click=\"put(newCacheKey, newCacheValue)\">Cache</button>\n\n         <p ng-if=\"keys.length\">Cached Values</p>\n         <div ng-repeat=\"key in keys\">\n           <span ng-bind=\"key\"></span>\n           <span>: </span>\n           <b ng-bind=\"cache.get(key)\"></b>\n         </div>\n\n         <p>Cache Info</p>\n         <div ng-repeat=\"(key, value) in cache.info()\">\n           <span ng-bind=\"key\"></span>\n           <span>: </span>\n           <b ng-bind=\"value\"></b>\n         </div>\n       </div>\n     </file>\n     <file name=\"script.js\">\n       angular.module('cacheExampleApp', []).\n         controller('CacheController', ['$scope', '$cacheFactory', function($scope, $cacheFactory) {\n           $scope.keys = [];\n           $scope.cache = $cacheFactory('cacheId');\n           $scope.put = function(key, value) {\n             if (angular.isUndefined($scope.cache.get(key))) {\n               $scope.keys.push(key);\n             }\n             $scope.cache.put(key, angular.isUndefined(value) ? null : value);\n           };\n         }]);\n     </file>\n     <file name=\"style.css\">\n       p {\n         margin: 10px 0 3px;\n       }\n     </file>\n   </example>\n */\nfunction $CacheFactoryProvider() {\n\n  this.$get = function() {\n    var caches = {};\n\n    function cacheFactory(cacheId, options) {\n      if (cacheId in caches) {\n        throw minErr('$cacheFactory')('iid', 'CacheId \\'{0}\\' is already taken!', cacheId);\n      }\n\n      var size = 0,\n          stats = extend({}, options, {id: cacheId}),\n          data = createMap(),\n          capacity = (options && options.capacity) || Number.MAX_VALUE,\n          lruHash = createMap(),\n          freshEnd = null,\n          staleEnd = null;\n\n      /**\n       * @ngdoc type\n       * @name $cacheFactory.Cache\n       *\n       * @description\n       * A cache object used to store and retrieve data, primarily used by\n       * {@link $templateRequest $templateRequest} and the {@link ng.directive:script script}\n       * directive to cache templates and other data.\n       *\n       * ```js\n       *  angular.module('superCache')\n       *    .factory('superCache', ['$cacheFactory', function($cacheFactory) {\n       *      return $cacheFactory('super-cache');\n       *    }]);\n       * ```\n       *\n       * Example test:\n       *\n       * ```js\n       *  it('should behave like a cache', inject(function(superCache) {\n       *    superCache.put('key', 'value');\n       *    superCache.put('another key', 'another value');\n       *\n       *    expect(superCache.info()).toEqual({\n       *      id: 'super-cache',\n       *      size: 2\n       *    });\n       *\n       *    superCache.remove('another key');\n       *    expect(superCache.get('another key')).toBeUndefined();\n       *\n       *    superCache.removeAll();\n       *    expect(superCache.info()).toEqual({\n       *      id: 'super-cache',\n       *      size: 0\n       *    });\n       *  }));\n       * ```\n       */\n      return (caches[cacheId] = {\n\n        /**\n         * @ngdoc method\n         * @name $cacheFactory.Cache#put\n         * @kind function\n         *\n         * @description\n         * Inserts a named entry into the {@link $cacheFactory.Cache Cache} object to be\n         * retrieved later, and incrementing the size of the cache if the key was not already\n         * present in the cache. If behaving like an LRU cache, it will also remove stale\n         * entries from the set.\n         *\n         * It will not insert undefined values into the cache.\n         *\n         * @param {string} key the key under which the cached data is stored.\n         * @param {*} value the value to store alongside the key. If it is undefined, the key\n         *    will not be stored.\n         * @returns {*} the value stored.\n         */\n        put: function(key, value) {\n          if (isUndefined(value)) return;\n          if (capacity < Number.MAX_VALUE) {\n            var lruEntry = lruHash[key] || (lruHash[key] = {key: key});\n\n            refresh(lruEntry);\n          }\n\n          if (!(key in data)) size++;\n          data[key] = value;\n\n          if (size > capacity) {\n            this.remove(staleEnd.key);\n          }\n\n          return value;\n        },\n\n        /**\n         * @ngdoc method\n         * @name $cacheFactory.Cache#get\n         * @kind function\n         *\n         * @description\n         * Retrieves named data stored in the {@link $cacheFactory.Cache Cache} object.\n         *\n         * @param {string} key the key of the data to be retrieved\n         * @returns {*} the value stored.\n         */\n        get: function(key) {\n          if (capacity < Number.MAX_VALUE) {\n            var lruEntry = lruHash[key];\n\n            if (!lruEntry) return;\n\n            refresh(lruEntry);\n          }\n\n          return data[key];\n        },\n\n\n        /**\n         * @ngdoc method\n         * @name $cacheFactory.Cache#remove\n         * @kind function\n         *\n         * @description\n         * Removes an entry from the {@link $cacheFactory.Cache Cache} object.\n         *\n         * @param {string} key the key of the entry to be removed\n         */\n        remove: function(key) {\n          if (capacity < Number.MAX_VALUE) {\n            var lruEntry = lruHash[key];\n\n            if (!lruEntry) return;\n\n            if (lruEntry === freshEnd) freshEnd = lruEntry.p;\n            if (lruEntry === staleEnd) staleEnd = lruEntry.n;\n            link(lruEntry.n,lruEntry.p);\n\n            delete lruHash[key];\n          }\n\n          if (!(key in data)) return;\n\n          delete data[key];\n          size--;\n        },\n\n\n        /**\n         * @ngdoc method\n         * @name $cacheFactory.Cache#removeAll\n         * @kind function\n         *\n         * @description\n         * Clears the cache object of any entries.\n         */\n        removeAll: function() {\n          data = createMap();\n          size = 0;\n          lruHash = createMap();\n          freshEnd = staleEnd = null;\n        },\n\n\n        /**\n         * @ngdoc method\n         * @name $cacheFactory.Cache#destroy\n         * @kind function\n         *\n         * @description\n         * Destroys the {@link $cacheFactory.Cache Cache} object entirely,\n         * removing it from the {@link $cacheFactory $cacheFactory} set.\n         */\n        destroy: function() {\n          data = null;\n          stats = null;\n          lruHash = null;\n          delete caches[cacheId];\n        },\n\n\n        /**\n         * @ngdoc method\n         * @name $cacheFactory.Cache#info\n         * @kind function\n         *\n         * @description\n         * Retrieve information regarding a particular {@link $cacheFactory.Cache Cache}.\n         *\n         * @returns {object} an object with the following properties:\n         *   <ul>\n         *     <li>**id**: the id of the cache instance</li>\n         *     <li>**size**: the number of entries kept in the cache instance</li>\n         *     <li>**...**: any additional properties from the options object when creating the\n         *       cache.</li>\n         *   </ul>\n         */\n        info: function() {\n          return extend({}, stats, {size: size});\n        }\n      });\n\n\n      /**\n       * makes the `entry` the freshEnd of the LRU linked list\n       */\n      function refresh(entry) {\n        if (entry !== freshEnd) {\n          if (!staleEnd) {\n            staleEnd = entry;\n          } else if (staleEnd === entry) {\n            staleEnd = entry.n;\n          }\n\n          link(entry.n, entry.p);\n          link(entry, freshEnd);\n          freshEnd = entry;\n          freshEnd.n = null;\n        }\n      }\n\n\n      /**\n       * bidirectionally links two entries of the LRU linked list\n       */\n      function link(nextEntry, prevEntry) {\n        if (nextEntry !== prevEntry) {\n          if (nextEntry) nextEntry.p = prevEntry; //p stands for previous, 'prev' didn't minify\n          if (prevEntry) prevEntry.n = nextEntry; //n stands for next, 'next' didn't minify\n        }\n      }\n    }\n\n\n  /**\n   * @ngdoc method\n   * @name $cacheFactory#info\n   *\n   * @description\n   * Get information about all the caches that have been created\n   *\n   * @returns {Object} - key-value map of `cacheId` to the result of calling `cache#info`\n   */\n    cacheFactory.info = function() {\n      var info = {};\n      forEach(caches, function(cache, cacheId) {\n        info[cacheId] = cache.info();\n      });\n      return info;\n    };\n\n\n  /**\n   * @ngdoc method\n   * @name $cacheFactory#get\n   *\n   * @description\n   * Get access to a cache object by the `cacheId` used when it was created.\n   *\n   * @param {string} cacheId Name or id of a cache to access.\n   * @returns {object} Cache object identified by the cacheId or undefined if no such cache.\n   */\n    cacheFactory.get = function(cacheId) {\n      return caches[cacheId];\n    };\n\n\n    return cacheFactory;\n  };\n}\n\n/**\n * @ngdoc service\n * @name $templateCache\n * @this\n *\n * @description\n * `$templateCache` is a {@link $cacheFactory.Cache Cache object} created by the\n * {@link ng.$cacheFactory $cacheFactory}.\n *\n * The first time a template is used, it is loaded in the template cache for quick retrieval. You\n * can load templates directly into the cache in a `script` tag, by using {@link $templateRequest},\n * or by consuming the `$templateCache` service directly.\n *\n * Adding via the `script` tag:\n *\n * ```html\n *   <script type=\"text/ng-template\" id=\"templateId.html\">\n *     <p>This is the content of the template</p>\n *   </script>\n * ```\n *\n * **Note:** the `script` tag containing the template does not need to be included in the `head` of\n * the document, but it must be a descendent of the {@link ng.$rootElement $rootElement} (e.g.\n * element with {@link ngApp} attribute), otherwise the template will be ignored.\n *\n * Adding via the `$templateCache` service:\n *\n * ```js\n * var myApp = angular.module('myApp', []);\n * myApp.run(function($templateCache) {\n *   $templateCache.put('templateId.html', 'This is the content of the template');\n * });\n * ```\n *\n * To retrieve the template later, simply use it in your component:\n * ```js\n * myApp.component('myComponent', {\n *    templateUrl: 'templateId.html'\n * });\n * ```\n *\n * or get it via the `$templateCache` service:\n * ```js\n * $templateCache.get('templateId.html')\n * ```\n *\n */\nfunction $TemplateCacheProvider() {\n  this.$get = ['$cacheFactory', function($cacheFactory) {\n    return $cacheFactory('templates');\n  }];\n}\n\n/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n *     Any commits to this file should be reviewed with security in mind.  *\n *   Changes to this file can potentially create security vulnerabilities. *\n *          An approval from 2 Core members with history of modifying      *\n *                         this file is required.                          *\n *                                                                         *\n *  Does the change somehow allow for arbitrary javascript to be executed? *\n *    Or allows for someone to change the prototype of built-in objects?   *\n *     Or gives undesired access to variables like document or window?    *\n * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */\n\n/* ! VARIABLE/FUNCTION NAMING CONVENTIONS THAT APPLY TO THIS FILE!\n *\n * DOM-related variables:\n *\n * - \"node\" - DOM Node\n * - \"element\" - DOM Element or Node\n * - \"$node\" or \"$element\" - jqLite-wrapped node or element\n *\n *\n * Compiler related stuff:\n *\n * - \"linkFn\" - linking fn of a single directive\n * - \"nodeLinkFn\" - function that aggregates all linking fns for a particular node\n * - \"childLinkFn\" -  function that aggregates all linking fns for child nodes of a particular node\n * - \"compositeLinkFn\" - function that aggregates all linking fns for a compilation root (nodeList)\n */\n\n\n/**\n * @ngdoc service\n * @name $compile\n * @kind function\n *\n * @description\n * Compiles an HTML string or DOM into a template and produces a template function, which\n * can then be used to link {@link ng.$rootScope.Scope `scope`} and the template together.\n *\n * The compilation is a process of walking the DOM tree and matching DOM elements to\n * {@link ng.$compileProvider#directive directives}.\n *\n * <div class=\"alert alert-warning\">\n * **Note:** This document is an in-depth reference of all directive options.\n * For a gentle introduction to directives with examples of common use cases,\n * see the {@link guide/directive directive guide}.\n * </div>\n *\n * ## Comprehensive Directive API\n *\n * There are many different options for a directive.\n *\n * The difference resides in the return value of the factory function.\n * You can either return a {@link $compile#directive-definition-object Directive Definition Object (see below)}\n * that defines the directive properties, or just the `postLink` function (all other properties will have\n * the default values).\n *\n * <div class=\"alert alert-success\">\n * **Best Practice:** It's recommended to use the \"directive definition object\" form.\n * </div>\n *\n * Here's an example directive declared with a Directive Definition Object:\n *\n * ```js\n *   var myModule = angular.module(...);\n *\n *   myModule.directive('directiveName', function factory(injectables) {\n *     var directiveDefinitionObject = {\n *       {@link $compile#-priority- priority}: 0,\n *       {@link $compile#-template- template}: '<div></div>', // or // function(tElement, tAttrs) { ... },\n *       // or\n *       // {@link $compile#-templateurl- templateUrl}: 'directive.html', // or // function(tElement, tAttrs) { ... },\n *       {@link $compile#-transclude- transclude}: false,\n *       {@link $compile#-restrict- restrict}: 'A',\n *       {@link $compile#-templatenamespace- templateNamespace}: 'html',\n *       {@link $compile#-scope- scope}: false,\n *       {@link $compile#-controller- controller}: function($scope, $element, $attrs, $transclude, otherInjectables) { ... },\n *       {@link $compile#-controlleras- controllerAs}: 'stringIdentifier',\n *       {@link $compile#-bindtocontroller- bindToController}: false,\n *       {@link $compile#-require- require}: 'siblingDirectiveName', // or // ['^parentDirectiveName', '?optionalDirectiveName', '?^optionalParent'],\n *       {@link $compile#-multielement- multiElement}: false,\n *       {@link $compile#-compile- compile}: function compile(tElement, tAttrs, transclude) {\n *         return {\n *            {@link $compile#pre-linking-function pre}: function preLink(scope, iElement, iAttrs, controller) { ... },\n *            {@link $compile#post-linking-function post}: function postLink(scope, iElement, iAttrs, controller) { ... }\n *         }\n *         // or\n *         // return function postLink( ... ) { ... }\n *       },\n *       // or\n *       // {@link $compile#-link- link}: {\n *       //  {@link $compile#pre-linking-function pre}: function preLink(scope, iElement, iAttrs, controller) { ... },\n *       //  {@link $compile#post-linking-function post}: function postLink(scope, iElement, iAttrs, controller) { ... }\n *       // }\n *       // or\n *       // {@link $compile#-link- link}: function postLink( ... ) { ... }\n *     };\n *     return directiveDefinitionObject;\n *   });\n * ```\n *\n * <div class=\"alert alert-warning\">\n * **Note:** Any unspecified options will use the default value. You can see the default values below.\n * </div>\n *\n * Therefore the above can be simplified as:\n *\n * ```js\n *   var myModule = angular.module(...);\n *\n *   myModule.directive('directiveName', function factory(injectables) {\n *     var directiveDefinitionObject = {\n *       link: function postLink(scope, iElement, iAttrs) { ... }\n *     };\n *     return directiveDefinitionObject;\n *     // or\n *     // return function postLink(scope, iElement, iAttrs) { ... }\n *   });\n * ```\n *\n * ### Life-cycle hooks\n * Directive controllers can provide the following methods that are called by AngularJS at points in the life-cycle of the\n * directive:\n * * `$onInit()` - Called on each controller after all the controllers on an element have been constructed and\n *   had their bindings initialized (and before the pre &amp; post linking functions for the directives on\n *   this element). This is a good place to put initialization code for your controller.\n * * `$onChanges(changesObj)` - Called whenever one-way (`<`) or interpolation (`@`) bindings are updated. The\n *   `changesObj` is a hash whose keys are the names of the bound properties that have changed, and the values are an\n *   object of the form `{ currentValue, previousValue, isFirstChange() }`. Use this hook to trigger updates within a\n *   component such as cloning the bound value to prevent accidental mutation of the outer value. Note that this will\n *   also be called when your bindings are initialized.\n * * `$doCheck()` - Called on each turn of the digest cycle. Provides an opportunity to detect and act on\n *   changes. Any actions that you wish to take in response to the changes that you detect must be\n *   invoked from this hook; implementing this has no effect on when `$onChanges` is called. For example, this hook\n *   could be useful if you wish to perform a deep equality check, or to check a Date object, changes to which would not\n *   be detected by AngularJS's change detector and thus not trigger `$onChanges`. This hook is invoked with no arguments;\n *   if detecting changes, you must store the previous value(s) for comparison to the current values.\n * * `$onDestroy()` - Called on a controller when its containing scope is destroyed. Use this hook for releasing\n *   external resources, watches and event handlers. Note that components have their `$onDestroy()` hooks called in\n *   the same order as the `$scope.$broadcast` events are triggered, which is top down. This means that parent\n *   components will have their `$onDestroy()` hook called before child components.\n * * `$postLink()` - Called after this controller's element and its children have been linked. Similar to the post-link\n *   function this hook can be used to set up DOM event handlers and do direct DOM manipulation.\n *   Note that child elements that contain `templateUrl` directives will not have been compiled and linked since\n *   they are waiting for their template to load asynchronously and their own compilation and linking has been\n *   suspended until that occurs.\n *\n * #### Comparison with life-cycle hooks in the new Angular\n * The new Angular also uses life-cycle hooks for its components. While the AngularJS life-cycle hooks are similar there are\n * some differences that you should be aware of, especially when it comes to moving your code from AngularJS to Angular:\n *\n * * AngularJS hooks are prefixed with `$`, such as `$onInit`. Angular hooks are prefixed with `ng`, such as `ngOnInit`.\n * * AngularJS hooks can be defined on the controller prototype or added to the controller inside its constructor.\n *   In Angular you can only define hooks on the prototype of the Component class.\n * * Due to the differences in change-detection, you may get many more calls to `$doCheck` in AngularJS than you would to\n *   `ngDoCheck` in Angular.\n * * Changes to the model inside `$doCheck` will trigger new turns of the digest loop, which will cause the changes to be\n *   propagated throughout the application.\n *   Angular does not allow the `ngDoCheck` hook to trigger a change outside of the component. It will either throw an\n *   error or do nothing depending upon the state of `enableProdMode()`.\n *\n * #### Life-cycle hook examples\n *\n * This example shows how you can check for mutations to a Date object even though the identity of the object\n * has not changed.\n *\n * <example name=\"doCheckDateExample\" module=\"do-check-module\">\n *   <file name=\"app.js\">\n *     angular.module('do-check-module', [])\n *       .component('app', {\n *         template:\n *           'Month: <input ng-model=\"$ctrl.month\" ng-change=\"$ctrl.updateDate()\">' +\n *           'Date: {{ $ctrl.date }}' +\n *           '<test date=\"$ctrl.date\"></test>',\n *         controller: function() {\n *           this.date = new Date();\n *           this.month = this.date.getMonth();\n *           this.updateDate = function() {\n *             this.date.setMonth(this.month);\n *           };\n *         }\n *       })\n *       .component('test', {\n *         bindings: { date: '<' },\n *         template:\n *           '<pre>{{ $ctrl.log | json }}</pre>',\n *         controller: function() {\n *           var previousValue;\n *           this.log = [];\n *           this.$doCheck = function() {\n *             var currentValue = this.date && this.date.valueOf();\n *             if (previousValue !== currentValue) {\n *               this.log.push('doCheck: date mutated: ' + this.date);\n *               previousValue = currentValue;\n *             }\n *           };\n *         }\n *       });\n *   </file>\n *   <file name=\"index.html\">\n *     <app></app>\n *   </file>\n * </example>\n *\n * This example show how you might use `$doCheck` to trigger changes in your component's inputs even if the\n * actual identity of the component doesn't change. (Be aware that cloning and deep equality checks on large\n * arrays or objects can have a negative impact on your application performance.)\n *\n * <example name=\"doCheckArrayExample\" module=\"do-check-module\">\n *   <file name=\"index.html\">\n *     <div ng-init=\"items = []\">\n *       <button ng-click=\"items.push(items.length)\">Add Item</button>\n *       <button ng-click=\"items = []\">Reset Items</button>\n *       <pre>{{ items }}</pre>\n *       <test items=\"items\"></test>\n *     </div>\n *   </file>\n *   <file name=\"app.js\">\n *      angular.module('do-check-module', [])\n *        .component('test', {\n *          bindings: { items: '<' },\n *          template:\n *            '<pre>{{ $ctrl.log | json }}</pre>',\n *          controller: function() {\n *            this.log = [];\n *\n *            this.$doCheck = function() {\n *              if (this.items_ref !== this.items) {\n *                this.log.push('doCheck: items changed');\n *                this.items_ref = this.items;\n *              }\n *              if (!angular.equals(this.items_clone, this.items)) {\n *                this.log.push('doCheck: items mutated');\n *                this.items_clone = angular.copy(this.items);\n *              }\n *            };\n *          }\n *        });\n *   </file>\n * </example>\n *\n *\n * ### Directive Definition Object\n *\n * The directive definition object provides instructions to the {@link ng.$compile\n * compiler}. The attributes are:\n *\n * #### `multiElement`\n * When this property is set to true (default is `false`), the HTML compiler will collect DOM nodes between\n * nodes with the attributes `directive-name-start` and `directive-name-end`, and group them\n * together as the directive elements. It is recommended that this feature be used on directives\n * which are not strictly behavioral (such as {@link ngClick}), and which\n * do not manipulate or replace child nodes (such as {@link ngInclude}).\n *\n * #### `priority`\n * When there are multiple directives defined on a single DOM element, sometimes it\n * is necessary to specify the order in which the directives are applied. The `priority` is used\n * to sort the directives before their `compile` functions get called. Priority is defined as a\n * number. Directives with greater numerical `priority` are compiled first. Pre-link functions\n * are also run in priority order, but post-link functions are run in reverse order. The order\n * of directives with the same priority is undefined. The default priority is `0`.\n *\n * #### `terminal`\n * If set to true then the current `priority` will be the last set of directives\n * which will execute (any directives at the current priority will still execute\n * as the order of execution on same `priority` is undefined). Note that expressions\n * and other directives used in the directive's template will also be excluded from execution.\n *\n * #### `scope`\n * The scope property can be `false`, `true`, or an object:\n *\n * * **`false` (default):** No scope will be created for the directive. The directive will use its\n * parent's scope.\n *\n * * **`true`:** A new child scope that prototypically inherits from its parent will be created for\n * the directive's element. If multiple directives on the same element request a new scope,\n * only one new scope is created.\n *\n * * **`{...}` (an object hash):** A new \"isolate\" scope is created for the directive's template.\n * The 'isolate' scope differs from normal scope in that it does not prototypically\n * inherit from its parent scope. This is useful when creating reusable components, which should not\n * accidentally read or modify data in the parent scope. Note that an isolate scope\n * directive without a `template` or `templateUrl` will not apply the isolate scope\n * to its children elements.\n *\n * The 'isolate' scope object hash defines a set of local scope properties derived from attributes on the\n * directive's element. These local properties are useful for aliasing values for templates. The keys in\n * the object hash map to the name of the property on the isolate scope; the values define how the property\n * is bound to the parent scope, via matching attributes on the directive's element:\n *\n * * `@` or `@attr` - bind a local scope property to the value of DOM attribute. The result is\n *   always a string since DOM attributes are strings. If no `attr` name is specified then the\n *   attribute name is assumed to be the same as the local name. Given `<my-component\n *   my-attr=\"hello {{name}}\">` and the isolate scope definition `scope: { localName:'@myAttr' }`,\n *   the directive's scope property `localName` will reflect the interpolated value of `hello\n *   {{name}}`. As the `name` attribute changes so will the `localName` property on the directive's\n *   scope. The `name` is read from the parent scope (not the directive's scope).\n *\n * * `=` or `=attr` - set up a bidirectional binding between a local scope property and an expression\n *   passed via the attribute `attr`. The expression is evaluated in the context of the parent scope.\n *   If no `attr` name is specified then the attribute name is assumed to be the same as the local\n *   name. Given `<my-component my-attr=\"parentModel\">` and the isolate scope definition `scope: {\n *   localModel: '=myAttr' }`, the property `localModel` on the directive's scope will reflect the\n *   value of `parentModel` on the parent scope. Changes to `parentModel` will be reflected in\n *   `localModel` and vice versa. If the binding expression is non-assignable, or if the attribute\n *   isn't  optional and doesn't exist, an exception\n *   ({@link error/$compile/nonassign `$compile:nonassign`}) will be thrown upon discovering changes\n *   to the local value, since it will be impossible to sync them back to the parent scope.\n *\n *   By default, the {@link ng.$rootScope.Scope#$watch `$watch`}\n *   method is used for tracking changes, and the equality check is based on object identity.\n *   However, if an object literal or an array literal is passed as the binding expression, the\n *   equality check is done by value (using the {@link angular.equals} function). It's also possible\n *   to watch the evaluated value shallowly with {@link ng.$rootScope.Scope#$watchCollection\n *   `$watchCollection`}: use `=*` or `=*attr`\n *\n  * * `<` or `<attr` - set up a one-way (one-directional) binding between a local scope property and an\n *   expression passed via the attribute `attr`. The expression is evaluated in the context of the\n *   parent scope. If no `attr` name is specified then the attribute name is assumed to be the same as the\n *   local name.\n *\n *   For example, given `<my-component my-attr=\"parentModel\">` and directive definition of\n *   `scope: { localModel:'<myAttr' }`, then the isolated scope property `localModel` will reflect the\n *   value of `parentModel` on the parent scope. Any changes to `parentModel` will be reflected\n *   in `localModel`, but changes in `localModel` will not reflect in `parentModel`. There are however\n *   two caveats:\n *     1. one-way binding does not copy the value from the parent to the isolate scope, it simply\n *     sets the same value. That means if your bound value is an object, changes to its properties\n *     in the isolated scope will be reflected in the parent scope (because both reference the same object).\n *     2. one-way binding watches changes to the **identity** of the parent value. That means the\n *     {@link ng.$rootScope.Scope#$watch `$watch`} on the parent value only fires if the reference\n *     to the value has changed. In most cases, this should not be of concern, but can be important\n *     to know if you one-way bind to an object, and then replace that object in the isolated scope.\n *     If you now change a property of the object in your parent scope, the change will not be\n *     propagated to the isolated scope, because the identity of the object on the parent scope\n *     has not changed. Instead you must assign a new object.\n *\n *   One-way binding is useful if you do not plan to propagate changes to your isolated scope bindings\n *   back to the parent. However, it does not make this completely impossible.\n *\n *   By default, the {@link ng.$rootScope.Scope#$watch `$watch`}\n *   method is used for tracking changes, and the equality check is based on object identity.\n *   It's also possible to watch the evaluated value shallowly with\n *   {@link ng.$rootScope.Scope#$watchCollection `$watchCollection`}: use `<*` or `<*attr`\n *\n * * `&` or `&attr` - provides a way to execute an expression in the context of the parent scope. If\n *   no `attr` name is specified then the attribute name is assumed to be the same as the local name.\n *   Given `<my-component my-attr=\"count = count + value\">` and the isolate scope definition `scope: {\n *   localFn:'&myAttr' }`, the isolate scope property `localFn` will point to a function wrapper for\n *   the `count = count + value` expression. Often it's desirable to pass data from the isolated scope\n *   via an expression to the parent scope. This can be done by passing a map of local variable names\n *   and values into the expression wrapper fn. For example, if the expression is `increment(amount)`\n *   then we can specify the amount value by calling the `localFn` as `localFn({amount: 22})`.\n *\n * All 4 kinds of bindings (`@`, `=`, `<`, and `&`) can be made optional by adding `?` to the expression.\n * The marker must come after the mode and before the attribute name.\n * See the {@link error/$compile/iscp Invalid Isolate Scope Definition error} for definition examples.\n * This is useful to refine the interface directives provide.\n * One subtle difference between optional and non-optional happens **when the binding attribute is not\n * set**:\n * - the binding is optional: the property will not be defined\n * - the binding is not optional: the property is defined\n *\n * ```js\n *app.directive('testDir', function() {\n    return {\n      scope: {\n        notoptional: '=',\n        optional: '=?',\n      },\n      bindToController: true,\n      controller: function() {\n        this.$onInit = function() {\n          console.log(this.hasOwnProperty('notoptional')) // true\n          console.log(this.hasOwnProperty('optional')) // false\n        }\n      }\n    }\n  })\n *```\n *\n *\n * ##### Combining directives with different scope defintions\n *\n * In general it's possible to apply more than one directive to one element, but there might be limitations\n * depending on the type of scope required by the directives. The following points will help explain these limitations.\n * For simplicity only two directives are taken into account, but it is also applicable for several directives:\n *\n * * **no scope** + **no scope** => Two directives which don't require their own scope will use their parent's scope\n * * **child scope** + **no scope** =>  Both directives will share one single child scope\n * * **child scope** + **child scope** =>  Both directives will share one single child scope\n * * **isolated scope** + **no scope** =>  The isolated directive will use it's own created isolated scope. The other directive will use\n * its parent's scope\n * * **isolated scope** + **child scope** =>  **Won't work!** Only one scope can be related to one element. Therefore these directives cannot\n * be applied to the same element.\n * * **isolated scope** + **isolated scope**  =>  **Won't work!** Only one scope can be related to one element. Therefore these directives\n * cannot be applied to the same element.\n *\n *\n * #### `bindToController`\n * This property is used to bind scope properties directly to the controller. It can be either\n * `true` or an object hash with the same format as the `scope` property.\n *\n * When an isolate scope is used for a directive (see above), `bindToController: true` will\n * allow a component to have its properties bound to the controller, rather than to scope.\n *\n * After the controller is instantiated, the initial values of the isolate scope bindings will be bound to the controller\n * properties. You can access these bindings once they have been initialized by providing a controller method called\n * `$onInit`, which is called after all the controllers on an element have been constructed and had their bindings\n * initialized.\n *\n * It is also possible to set `bindToController` to an object hash with the same format as the `scope` property.\n * This will set up the scope bindings to the controller directly. Note that `scope` can still be used\n * to define which kind of scope is created. By default, no scope is created. Use `scope: {}` to create an isolate\n * scope (useful for component directives).\n *\n * If both `bindToController` and `scope` are defined and have object hashes, `bindToController` overrides `scope`.\n *\n *\n * #### `controller`\n * Controller constructor function. The controller is instantiated before the\n * pre-linking phase and can be accessed by other directives (see\n * `require` attribute). This allows the directives to communicate with each other and augment\n * each other's behavior. The controller is injectable (and supports bracket notation) with the following locals:\n *\n * * `$scope` - Current scope associated with the element\n * * `$element` - Current element\n * * `$attrs` - Current attributes object for the element\n * * `$transclude` - A transclude linking function pre-bound to the correct transclusion scope:\n *   `function([scope], cloneLinkingFn, futureParentElement, slotName)`:\n *    * `scope`: (optional) override the scope.\n *    * `cloneLinkingFn`: (optional) argument to create clones of the original transcluded content.\n *    * `futureParentElement` (optional):\n *        * defines the parent to which the `cloneLinkingFn` will add the cloned elements.\n *        * default: `$element.parent()` resp. `$element` for `transclude:'element'` resp. `transclude:true`.\n *        * only needed for transcludes that are allowed to contain non html elements (e.g. SVG elements)\n *          and when the `cloneLinkingFn` is passed,\n *          as those elements need to created and cloned in a special way when they are defined outside their\n *          usual containers (e.g. like `<svg>`).\n *        * See also the `directive.templateNamespace` property.\n *    * `slotName`: (optional) the name of the slot to transclude. If falsy (e.g. `null`, `undefined` or `''`)\n *      then the default transclusion is provided.\n *    The `$transclude` function also has a method on it, `$transclude.isSlotFilled(slotName)`, which returns\n *    `true` if the specified slot contains content (i.e. one or more DOM nodes).\n *\n * #### `require`\n * Require another directive and inject its controller as the fourth argument to the linking function. The\n * `require` property can be a string, an array or an object:\n * * a **string** containing the name of the directive to pass to the linking function\n * * an **array** containing the names of directives to pass to the linking function. The argument passed to the\n * linking function will be an array of controllers in the same order as the names in the `require` property\n * * an **object** whose property values are the names of the directives to pass to the linking function. The argument\n * passed to the linking function will also be an object with matching keys, whose values will hold the corresponding\n * controllers.\n *\n * If the `require` property is an object and `bindToController` is truthy, then the required controllers are\n * bound to the controller using the keys of the `require` property. This binding occurs after all the controllers\n * have been constructed but before `$onInit` is called.\n * If the name of the required controller is the same as the local name (the key), the name can be\n * omitted. For example, `{parentDir: '^^'}` is equivalent to `{parentDir: '^^parentDir'}`.\n * See the {@link $compileProvider#component} helper for an example of how this can be used.\n * If no such required directive(s) can be found, or if the directive does not have a controller, then an error is\n * raised (unless no link function is specified and the required controllers are not being bound to the directive\n * controller, in which case error checking is skipped). The name can be prefixed with:\n *\n * * (no prefix) - Locate the required controller on the current element. Throw an error if not found.\n * * `?` - Attempt to locate the required controller or pass `null` to the `link` fn if not found.\n * * `^` - Locate the required controller by searching the element and its parents. Throw an error if not found.\n * * `^^` - Locate the required controller by searching the element's parents. Throw an error if not found.\n * * `?^` - Attempt to locate the required controller by searching the element and its parents or pass\n *   `null` to the `link` fn if not found.\n * * `?^^` - Attempt to locate the required controller by searching the element's parents, or pass\n *   `null` to the `link` fn if not found.\n *\n *\n * #### `controllerAs`\n * Identifier name for a reference to the controller in the directive's scope.\n * This allows the controller to be referenced from the directive template. This is especially\n * useful when a directive is used as component, i.e. with an `isolate` scope. It's also possible\n * to use it in a directive without an `isolate` / `new` scope, but you need to be aware that the\n * `controllerAs` reference might overwrite a property that already exists on the parent scope.\n *\n *\n * #### `restrict`\n * String of subset of `EACM` which restricts the directive to a specific directive\n * declaration style. If omitted, the defaults (elements and attributes) are used.\n *\n * * `E` - Element name (default): `<my-directive></my-directive>`\n * * `A` - Attribute (default): `<div my-directive=\"exp\"></div>`\n * * `C` - Class: `<div class=\"my-directive: exp;\"></div>`\n * * `M` - Comment: `<!-- directive: my-directive exp -->`\n *\n *\n * #### `templateNamespace`\n * String representing the document type used by the markup in the template.\n * AngularJS needs this information as those elements need to be created and cloned\n * in a special way when they are defined outside their usual containers like `<svg>` and `<math>`.\n *\n * * `html` - All root nodes in the template are HTML. Root nodes may also be\n *   top-level elements such as `<svg>` or `<math>`.\n * * `svg` - The root nodes in the template are SVG elements (excluding `<math>`).\n * * `math` - The root nodes in the template are MathML elements (excluding `<svg>`).\n *\n * If no `templateNamespace` is specified, then the namespace is considered to be `html`.\n *\n * #### `template`\n * HTML markup that may:\n * * Replace the contents of the directive's element (default).\n * * Replace the directive's element itself (if `replace` is true - DEPRECATED).\n * * Wrap the contents of the directive's element (if `transclude` is true).\n *\n * Value may be:\n *\n * * A string. For example `<div red-on-hover>{{delete_str}}</div>`.\n * * A function which takes two arguments `tElement` and `tAttrs` (described in the `compile`\n *   function api below) and returns a string value.\n *\n *\n * #### `templateUrl`\n * This is similar to `template` but the template is loaded from the specified URL, asynchronously.\n *\n * Because template loading is asynchronous the compiler will suspend compilation of directives on that element\n * for later when the template has been resolved.  In the meantime it will continue to compile and link\n * sibling and parent elements as though this element had not contained any directives.\n *\n * The compiler does not suspend the entire compilation to wait for templates to be loaded because this\n * would result in the whole app \"stalling\" until all templates are loaded asynchronously - even in the\n * case when only one deeply nested directive has `templateUrl`.\n *\n * Template loading is asynchronous even if the template has been preloaded into the {@link $templateCache}.\n *\n * You can specify `templateUrl` as a string representing the URL or as a function which takes two\n * arguments `tElement` and `tAttrs` (described in the `compile` function api below) and returns\n * a string value representing the url.  In either case, the template URL is passed through {@link\n * $sce#getTrustedResourceUrl $sce.getTrustedResourceUrl}.\n *\n *\n * #### `replace`\n * <div class=\"alert alert-danger\">\n * **Note:** `replace` is deprecated in AngularJS and has been removed in the new Angular (v2+).\n * </div>\n *\n * Specifies what the template should replace. Defaults to `false`.\n *\n * * `true` - the template will replace the directive's element.\n * * `false` - the template will replace the contents of the directive's element.\n *\n * The replacement process migrates all of the attributes / classes from the old element to the new\n * one. See the {@link guide/directive#template-expanding-directive\n * Directives Guide} for an example.\n *\n * There are very few scenarios where element replacement is required for the application function,\n * the main one being reusable custom components that are used within SVG contexts\n * (because SVG doesn't work with custom elements in the DOM tree).\n *\n * #### `transclude`\n * Extract the contents of the element where the directive appears and make it available to the directive.\n * The contents are compiled and provided to the directive as a **transclusion function**. See the\n * {@link $compile#transclusion Transclusion} section below.\n *\n *\n * #### `compile`\n *\n * ```js\n *   function compile(tElement, tAttrs, transclude) { ... }\n * ```\n *\n * The compile function deals with transforming the template DOM. Since most directives do not do\n * template transformation, it is not used often. The compile function takes the following arguments:\n *\n *   * `tElement` - template element - The element where the directive has been declared. It is\n *     safe to do template transformation on the element and child elements only.\n *\n *   * `tAttrs` - template attributes - Normalized list of attributes declared on this element shared\n *     between all directive compile functions.\n *\n *   * `transclude` -  [*DEPRECATED*!] A transclude linking function: `function(scope, cloneLinkingFn)`\n *\n * <div class=\"alert alert-warning\">\n * **Note:** The template instance and the link instance may be different objects if the template has\n * been cloned. For this reason it is **not** safe to do anything other than DOM transformations that\n * apply to all cloned DOM nodes within the compile function. Specifically, DOM listener registration\n * should be done in a linking function rather than in a compile function.\n * </div>\n\n * <div class=\"alert alert-warning\">\n * **Note:** The compile function cannot handle directives that recursively use themselves in their\n * own templates or compile functions. Compiling these directives results in an infinite loop and\n * stack overflow errors.\n *\n * This can be avoided by manually using `$compile` in the postLink function to imperatively compile\n * a directive's template instead of relying on automatic template compilation via `template` or\n * `templateUrl` declaration or manual compilation inside the compile function.\n * </div>\n *\n * <div class=\"alert alert-danger\">\n * **Note:** The `transclude` function that is passed to the compile function is deprecated, as it\n *   e.g. does not know about the right outer scope. Please use the transclude function that is passed\n *   to the link function instead.\n * </div>\n\n * A compile function can have a return value which can be either a function or an object.\n *\n * * returning a (post-link) function - is equivalent to registering the linking function via the\n *   `link` property of the config object when the compile function is empty.\n *\n * * returning an object with function(s) registered via `pre` and `post` properties - allows you to\n *   control when a linking function should be called during the linking phase. See info about\n *   pre-linking and post-linking functions below.\n *\n *\n * #### `link`\n * This property is used only if the `compile` property is not defined.\n *\n * ```js\n *   function link(scope, iElement, iAttrs, controller, transcludeFn) { ... }\n * ```\n *\n * The link function is responsible for registering DOM listeners as well as updating the DOM. It is\n * executed after the template has been cloned. This is where most of the directive logic will be\n * put.\n *\n *   * `scope` - {@link ng.$rootScope.Scope Scope} - The scope to be used by the\n *     directive for registering {@link ng.$rootScope.Scope#$watch watches}.\n *\n *   * `iElement` - instance element - The element where the directive is to be used. It is safe to\n *     manipulate the children of the element only in `postLink` function since the children have\n *     already been linked.\n *\n *   * `iAttrs` - instance attributes - Normalized list of attributes declared on this element shared\n *     between all directive linking functions.\n *\n *   * `controller` - the directive's required controller instance(s) - Instances are shared\n *     among all directives, which allows the directives to use the controllers as a communication\n *     channel. The exact value depends on the directive's `require` property:\n *       * no controller(s) required: the directive's own controller, or `undefined` if it doesn't have one\n *       * `string`: the controller instance\n *       * `array`: array of controller instances\n *\n *     If a required controller cannot be found, and it is optional, the instance is `null`,\n *     otherwise the {@link error:$compile:ctreq Missing Required Controller} error is thrown.\n *\n *     Note that you can also require the directive's own controller - it will be made available like\n *     any other controller.\n *\n *   * `transcludeFn` - A transclude linking function pre-bound to the correct transclusion scope.\n *     This is the same as the `$transclude` parameter of directive controllers,\n *     see {@link ng.$compile#-controller- the controller section for details}.\n *     `function([scope], cloneLinkingFn, futureParentElement)`.\n *\n * #### Pre-linking function\n *\n * Executed before the child elements are linked. Not safe to do DOM transformation since the\n * compiler linking function will fail to locate the correct elements for linking.\n *\n * #### Post-linking function\n *\n * Executed after the child elements are linked.\n *\n * Note that child elements that contain `templateUrl` directives will not have been compiled\n * and linked since they are waiting for their template to load asynchronously and their own\n * compilation and linking has been suspended until that occurs.\n *\n * It is safe to do DOM transformation in the post-linking function on elements that are not waiting\n * for their async templates to be resolved.\n *\n *\n * ### Transclusion\n *\n * Transclusion is the process of extracting a collection of DOM elements from one part of the DOM and\n * copying them to another part of the DOM, while maintaining their connection to the original AngularJS\n * scope from where they were taken.\n *\n * Transclusion is used (often with {@link ngTransclude}) to insert the\n * original contents of a directive's element into a specified place in the template of the directive.\n * The benefit of transclusion, over simply moving the DOM elements manually, is that the transcluded\n * content has access to the properties on the scope from which it was taken, even if the directive\n * has isolated scope.\n * See the {@link guide/directive#creating-a-directive-that-wraps-other-elements Directives Guide}.\n *\n * This makes it possible for the widget to have private state for its template, while the transcluded\n * content has access to its originating scope.\n *\n * <div class=\"alert alert-warning\">\n * **Note:** When testing an element transclude directive you must not place the directive at the root of the\n * DOM fragment that is being compiled. See {@link guide/unit-testing#testing-transclusion-directives\n * Testing Transclusion Directives}.\n * </div>\n *\n * There are three kinds of transclusion depending upon whether you want to transclude just the contents of the\n * directive's element, the entire element or multiple parts of the element contents:\n *\n * * `true` - transclude the content (i.e. the child nodes) of the directive's element.\n * * `'element'` - transclude the whole of the directive's element including any directives on this\n *   element that are defined at a lower priority than this directive. When used, the `template`\n *   property is ignored.\n * * **`{...}` (an object hash):** - map elements of the content onto transclusion \"slots\" in the template.\n *\n * **Multi-slot transclusion** is declared by providing an object for the `transclude` property.\n *\n * This object is a map where the keys are the name of the slot to fill and the value is an element selector\n * used to match the HTML to the slot. The element selector should be in normalized form (e.g. `myElement`)\n * and will match the standard element variants (e.g. `my-element`, `my:element`, `data-my-element`, etc).\n *\n * For further information check out the guide on {@link guide/directive#matching-directives Matching Directives}.\n *\n * If the element selector is prefixed with a `?` then that slot is optional.\n *\n * For example, the transclude object `{ slotA: '?myCustomElement' }` maps `<my-custom-element>` elements to\n * the `slotA` slot, which can be accessed via the `$transclude` function or via the {@link ngTransclude} directive.\n *\n * Slots that are not marked as optional (`?`) will trigger a compile time error if there are no matching elements\n * in the transclude content. If you wish to know if an optional slot was filled with content, then you can call\n * `$transclude.isSlotFilled(slotName)` on the transclude function passed to the directive's link function and\n * injectable into the directive's controller.\n *\n *\n * #### Transclusion Functions\n *\n * When a directive requests transclusion, the compiler extracts its contents and provides a **transclusion\n * function** to the directive's `link` function and `controller`. This transclusion function is a special\n * **linking function** that will return the compiled contents linked to a new transclusion scope.\n *\n * <div class=\"alert alert-info\">\n * If you are just using {@link ngTransclude} then you don't need to worry about this function, since\n * ngTransclude will deal with it for us.\n * </div>\n *\n * If you want to manually control the insertion and removal of the transcluded content in your directive\n * then you must use this transclude function. When you call a transclude function it returns a jqLite/JQuery\n * object that contains the compiled DOM, which is linked to the correct transclusion scope.\n *\n * When you call a transclusion function you can pass in a **clone attach function**. This function accepts\n * two parameters, `function(clone, scope) { ... }`, where the `clone` is a fresh compiled copy of your transcluded\n * content and the `scope` is the newly created transclusion scope, which the clone will be linked to.\n *\n * <div class=\"alert alert-info\">\n * **Best Practice**: Always provide a `cloneFn` (clone attach function) when you call a transclude function\n * since you then get a fresh clone of the original DOM and also have access to the new transclusion scope.\n * </div>\n *\n * It is normal practice to attach your transcluded content (`clone`) to the DOM inside your **clone\n * attach function**:\n *\n * ```js\n * var transcludedContent, transclusionScope;\n *\n * $transclude(function(clone, scope) {\n *   element.append(clone);\n *   transcludedContent = clone;\n *   transclusionScope = scope;\n * });\n * ```\n *\n * Later, if you want to remove the transcluded content from your DOM then you should also destroy the\n * associated transclusion scope:\n *\n * ```js\n * transcludedContent.remove();\n * transclusionScope.$destroy();\n * ```\n *\n * <div class=\"alert alert-info\">\n * **Best Practice**: if you intend to add and remove transcluded content manually in your directive\n * (by calling the transclude function to get the DOM and calling `element.remove()` to remove it),\n * then you are also responsible for calling `$destroy` on the transclusion scope.\n * </div>\n *\n * The built-in DOM manipulation directives, such as {@link ngIf}, {@link ngSwitch} and {@link ngRepeat}\n * automatically destroy their transcluded clones as necessary so you do not need to worry about this if\n * you are simply using {@link ngTransclude} to inject the transclusion into your directive.\n *\n *\n * #### Transclusion Scopes\n *\n * When you call a transclude function it returns a DOM fragment that is pre-bound to a **transclusion\n * scope**. This scope is special, in that it is a child of the directive's scope (and so gets destroyed\n * when the directive's scope gets destroyed) but it inherits the properties of the scope from which it\n * was taken.\n *\n * For example consider a directive that uses transclusion and isolated scope. The DOM hierarchy might look\n * like this:\n *\n * ```html\n * <div ng-app>\n *   <div isolate>\n *     <div transclusion>\n *     </div>\n *   </div>\n * </div>\n * ```\n *\n * The `$parent` scope hierarchy will look like this:\n *\n   ```\n   - $rootScope\n     - isolate\n       - transclusion\n   ```\n *\n * but the scopes will inherit prototypically from different scopes to their `$parent`.\n *\n   ```\n   - $rootScope\n     - transclusion\n   - isolate\n   ```\n *\n *\n * ### Attributes\n *\n * The {@link ng.$compile.directive.Attributes Attributes} object - passed as a parameter in the\n * `link()` or `compile()` functions. It has a variety of uses.\n *\n * * *Accessing normalized attribute names:* Directives like `ngBind` can be expressed in many ways:\n *   `ng:bind`, `data-ng-bind`, or `x-ng-bind`. The attributes object allows for normalized access\n *   to the attributes.\n *\n * * *Directive inter-communication:* All directives share the same instance of the attributes\n *   object which allows the directives to use the attributes object as inter directive\n *   communication.\n *\n * * *Supports interpolation:* Interpolation attributes are assigned to the attribute object\n *   allowing other directives to read the interpolated value.\n *\n * * *Observing interpolated attributes:* Use `$observe` to observe the value changes of attributes\n *   that contain interpolation (e.g. `src=\"{{bar}}\"`). Not only is this very efficient but it's also\n *   the only way to easily get the actual value because during the linking phase the interpolation\n *   hasn't been evaluated yet and so the value is at this time set to `undefined`.\n *\n * ```js\n * function linkingFn(scope, elm, attrs, ctrl) {\n *   // get the attribute value\n *   console.log(attrs.ngModel);\n *\n *   // change the attribute\n *   attrs.$set('ngModel', 'new value');\n *\n *   // observe changes to interpolated attribute\n *   attrs.$observe('ngModel', function(value) {\n *     console.log('ngModel has changed value to ' + value);\n *   });\n * }\n * ```\n *\n * ## Example\n *\n * <div class=\"alert alert-warning\">\n * **Note**: Typically directives are registered with `module.directive`. The example below is\n * to illustrate how `$compile` works.\n * </div>\n *\n <example module=\"compileExample\" name=\"compile\">\n   <file name=\"index.html\">\n    <script>\n      angular.module('compileExample', [], function($compileProvider) {\n        // Configure new 'compile' directive by passing a directive\n        // factory function. The factory function injects '$compile'.\n        $compileProvider.directive('compile', function($compile) {\n          // The directive factory creates a link function.\n          return function(scope, element, attrs) {\n            scope.$watch(\n              function(scope) {\n                // Watch the 'compile' expression for changes.\n                return scope.$eval(attrs.compile);\n              },\n              function(value) {\n                // When the 'compile' expression changes\n                // assign it into the current DOM.\n                element.html(value);\n\n                // Compile the new DOM and link it to the current scope.\n                // NOTE: we only compile '.childNodes' so that we\n                // don't get into an infinite loop compiling ourselves.\n                $compile(element.contents())(scope);\n              }\n            );\n          };\n        });\n      })\n      .controller('GreeterController', ['$scope', function($scope) {\n        $scope.name = 'AngularJS';\n        $scope.html = 'Hello {{name}}';\n      }]);\n    </script>\n    <div ng-controller=\"GreeterController\">\n      <input ng-model=\"name\"> <br/>\n      <textarea ng-model=\"html\"></textarea> <br/>\n      <div compile=\"html\"></div>\n    </div>\n   </file>\n   <file name=\"protractor.js\" type=\"protractor\">\n     it('should auto compile', function() {\n       var textarea = $('textarea');\n       var output = $('div[compile]');\n       // The initial state reads 'Hello AngularJS'.\n       expect(output.getText()).toBe('Hello AngularJS');\n       textarea.clear();\n       textarea.sendKeys('{{name}}!');\n       expect(output.getText()).toBe('AngularJS!');\n     });\n   </file>\n </example>\n\n *\n *\n * @param {string|DOMElement} element Element or HTML string to compile into a template function.\n * @param {function(angular.Scope, cloneAttachFn=)} transclude function available to directives - DEPRECATED.\n *\n * <div class=\"alert alert-danger\">\n * **Note:** Passing a `transclude` function to the $compile function is deprecated, as it\n *   e.g. will not use the right outer scope. Please pass the transclude function as a\n *   `parentBoundTranscludeFn` to the link function instead.\n * </div>\n *\n * @param {number} maxPriority only apply directives lower than given priority (Only effects the\n *                 root element(s), not their children)\n * @returns {function(scope, cloneAttachFn=, options=)} a link function which is used to bind template\n * (a DOM element/tree) to a scope. Where:\n *\n *  * `scope` - A {@link ng.$rootScope.Scope Scope} to bind to.\n *  * `cloneAttachFn` - If `cloneAttachFn` is provided, then the link function will clone the\n *  `template` and call the `cloneAttachFn` function allowing the caller to attach the\n *  cloned elements to the DOM document at the appropriate place. The `cloneAttachFn` is\n *  called as: <br/> `cloneAttachFn(clonedElement, scope)` where:\n *\n *      * `clonedElement` - is a clone of the original `element` passed into the compiler.\n *      * `scope` - is the current scope with which the linking function is working with.\n *\n *  * `options` - An optional object hash with linking options. If `options` is provided, then the following\n *  keys may be used to control linking behavior:\n *\n *      * `parentBoundTranscludeFn` - the transclude function made available to\n *        directives; if given, it will be passed through to the link functions of\n *        directives found in `element` during compilation.\n *      * `transcludeControllers` - an object hash with keys that map controller names\n *        to a hash with the key `instance`, which maps to the controller instance;\n *        if given, it will make the controllers available to directives on the compileNode:\n *        ```\n *        {\n *          parent: {\n *            instance: parentControllerInstance\n *          }\n *        }\n *        ```\n *      * `futureParentElement` - defines the parent to which the `cloneAttachFn` will add\n *        the cloned elements; only needed for transcludes that are allowed to contain non HTML\n *        elements (e.g. SVG elements). See also the `directive.controller` property.\n *\n * Calling the linking function returns the element of the template. It is either the original\n * element passed in, or the clone of the element if the `cloneAttachFn` is provided.\n *\n * After linking the view is not updated until after a call to `$digest`, which typically is done by\n * AngularJS automatically.\n *\n * If you need access to the bound view, there are two ways to do it:\n *\n * - If you are not asking the linking function to clone the template, create the DOM element(s)\n *   before you send them to the compiler and keep this reference around.\n *   ```js\n *     var element = angular.element('<p>{{total}}</p>');\n *     $compile(element)(scope);\n *   ```\n *\n * - if on the other hand, you need the element to be cloned, the view reference from the original\n *   example would not point to the clone, but rather to the original template that was cloned. In\n *   this case, you can access the clone either via the `cloneAttachFn` or the value returned by the\n *   linking function:\n *   ```js\n *     var templateElement = angular.element('<p>{{total}}</p>');\n *     var clonedElement = $compile(templateElement)(scope, function(clonedElement, scope) {\n *       // Attach the clone to DOM document at the right place.\n *     });\n *\n *     // Now we have reference to the cloned DOM via `clonedElement`.\n *     // NOTE: The `clonedElement` returned by the linking function is the same as the\n *     //       `clonedElement` passed to `cloneAttachFn`.\n *   ```\n *\n *\n * For information on how the compiler works, see the\n * {@link guide/compiler AngularJS HTML Compiler} section of the Developer Guide.\n *\n * @knownIssue\n *\n * ### Double Compilation\n *\n   Double compilation occurs when an already compiled part of the DOM gets\n   compiled again. This is an undesired effect and can lead to misbehaving directives, performance issues,\n   and memory leaks. Refer to the Compiler Guide {@link guide/compiler#double-compilation-and-how-to-avoid-it\n   section on double compilation} for an in-depth explanation and ways to avoid it.\n\n * @knownIssue\n\n   ### Issues with `replace: true`\n *\n * <div class=\"alert alert-danger\">\n *   **Note**: {@link $compile#-replace- `replace: true`} is deprecated and not recommended to use,\n *   mainly due to the issues listed here. It has been completely removed in the new Angular.\n * </div>\n *\n * #### Attribute values are not merged\n *\n * When a `replace` directive encounters the same attribute on the original and the replace node,\n * it will simply deduplicate the attribute and join the values with a space or with a `;` in case of\n * the `style` attribute.\n * ```html\n * Original Node: <span class=\"original\" style=\"color: red;\"></span>\n * Replace Template: <span class=\"replaced\" style=\"background: blue;\"></span>\n * Result: <span class=\"original replaced\" style=\"color: red; background: blue;\"></span>\n * ```\n *\n * That means attributes that contain AngularJS expressions will not be merged correctly, e.g.\n * {@link ngShow} or {@link ngClass} will cause a {@link $parse} error:\n *\n * ```html\n * Original Node: <span ng-class=\"{'something': something}\" ng-show=\"!condition\"></span>\n * Replace Template: <span ng-class=\"{'else': else}\" ng-show=\"otherCondition\"></span>\n * Result: <span ng-class=\"{'something': something} {'else': else}\" ng-show=\"!condition otherCondition\"></span>\n * ```\n *\n * See issue [#5695](https://github.com/angular/angular.js/issues/5695).\n *\n * #### Directives are not deduplicated before compilation\n *\n * When the original node and the replace template declare the same directive(s), they will be\n * {@link guide/compiler#double-compilation-and-how-to-avoid-it compiled twice} because the compiler\n * does not deduplicate them. In many cases, this is not noticable, but e.g. {@link ngModel} will\n * attach `$formatters` and `$parsers` twice.\n *\n * See issue [#2573](https://github.com/angular/angular.js/issues/2573).\n *\n * #### `transclude: element` in the replace template root can have unexpected effects\n *\n * When the replace template has a directive at the root node that uses\n * {@link $compile#-transclude- `transclude: element`}, e.g.\n * {@link ngIf} or {@link ngRepeat}, the DOM structure or scope inheritance can be incorrect.\n * See the following issues:\n *\n * - Incorrect scope on replaced element:\n * [#9837](https://github.com/angular/angular.js/issues/9837)\n * - Different DOM between `template` and `templateUrl`:\n * [#10612](https://github.com/angular/angular.js/issues/14326)\n *\n */\n\n/**\n * @ngdoc directive\n * @name ngProp\n * @restrict A\n * @element ANY\n *\n * @usage\n *\n * ```html\n * <ANY ng-prop-propname=\"expression\">\n * </ANY>\n * ```\n *\n * or with uppercase letters in property (e.g. \"propName\"):\n *\n *\n * ```html\n * <ANY ng-prop-prop_name=\"expression\">\n * </ANY>\n * ```\n *\n *\n * @description\n * The `ngProp` directive binds an expression to a DOM element property.\n * `ngProp` allows writing to arbitrary properties by including\n * the property name in the attribute, e.g. `ng-prop-value=\"'my value'\"` binds 'my value' to\n * the `value` property.\n *\n * Usually, it's not necessary to write to properties in AngularJS, as the built-in directives\n * handle the most common use cases (instead of the above example, you would use {@link ngValue}).\n *\n * However, [custom elements](https://developer.mozilla.org/docs/Web/Web_Components/Using_custom_elements)\n * often use custom properties to hold data, and `ngProp` can be used to provide input to these\n * custom elements.\n *\n * ## Binding to camelCase properties\n *\n * Since HTML attributes are case-insensitive, camelCase properties like `innerHTML` must be escaped.\n * AngularJS uses the underscore (_) in front of a character to indicate that it is uppercase, so\n * `innerHTML`  must be written as `ng-prop-inner_h_t_m_l=\"expression\"` (Note that this is just an\n * example, and for binding HTML {@link ngBindHtml} should be used.\n *\n * ## Security\n *\n * Binding expressions to arbitrary properties poses a security risk, as  properties like `innerHTML`\n * can insert potentially dangerous HTML into the application, e.g. script tags that execute\n * malicious code.\n * For this reason, `ngProp` applies Strict Contextual Escaping with the {@link ng.$sce $sce service}.\n * This means vulnerable properties require their content to be \"trusted\", based on the\n * context of the property. For example, the `innerHTML` is in the `HTML` context, and the\n * `iframe.src` property is in the `RESOURCE_URL` context, which requires that values written to\n * this property are trusted as a `RESOURCE_URL`.\n *\n * This can be set explicitly by calling $sce.trustAs(type, value) on the value that is\n * trusted before passing it to the `ng-prop-*` directive. There are exist shorthand methods for\n * each context type in the form of {@link ng.$sce#trustAsResourceUrl $sce.trustAsResourceUrl()} et al.\n *\n * In some cases you can also rely upon automatic sanitization of untrusted values - see below.\n *\n * Based on the context, other options may exist to mark a value as trusted / configure the behavior\n * of {@link ng.$sce}. For example, to restrict the `RESOURCE_URL` context to specific origins, use\n * the {@link $sceDelegateProvider#resourceUrlWhitelist resourceUrlWhitelist()}\n * and {@link $sceDelegateProvider#resourceUrlBlacklist resourceUrlBlacklist()}.\n *\n * {@link ng.$sce#what-trusted-context-types-are-supported- Find out more about the different context types}.\n *\n * ### HTML Sanitization\n *\n * By default, `$sce` will throw an error if it detects untrusted HTML content, and will not bind the\n * content.\n * However, if you include the {@link ngSanitize ngSanitize module}, it will try to sanitize the\n * potentially dangerous HTML, e.g. strip non-whitelisted tags and attributes when binding to\n * `innerHTML`.\n *\n * @example\n * ### Binding to different contexts\n *\n * <example name=\"ngProp\" module=\"exampleNgProp\">\n *   <file name=\"app.js\">\n *     angular.module('exampleNgProp', [])\n *       .component('main', {\n *         templateUrl: 'main.html',\n *         controller: function($sce) {\n *           this.safeContent = '<strong>Safe content</strong>';\n *           this.unsafeContent = '<button onclick=\"alert(\\'Hello XSS!\\')\">Click for XSS</button>';\n *           this.trustedUnsafeContent = $sce.trustAsHtml(this.unsafeContent);\n *         }\n *       });\n *   </file>\n *   <file name=\"main.html\">\n *     <div>\n *       <div class=\"prop-unit\">\n *         Binding to a property without security context:\n *         <div class=\"prop-binding\" ng-prop-inner_text=\"$ctrl.safeContent\"></div>\n *         <span class=\"prop-note\">innerText</span> (safeContent)\n *       </div>\n *\n *       <div class=\"prop-unit\">\n *         \"Safe\" content that requires a security context will throw because the contents could potentially be dangerous ...\n *         <div class=\"prop-binding\" ng-prop-inner_h_t_m_l=\"$ctrl.safeContent\"></div>\n *         <span class=\"prop-note\">innerHTML</span> (safeContent)\n *       </div>\n *\n *       <div class=\"prop-unit\">\n *         ... so that actually dangerous content cannot be executed:\n *         <div class=\"prop-binding\" ng-prop-inner_h_t_m_l=\"$ctrl.unsafeContent\"></div>\n *         <span class=\"prop-note\">innerHTML</span> (unsafeContent)\n *       </div>\n *\n *       <div class=\"prop-unit\">\n *         ... but unsafe Content that has been trusted explicitly works - only do this if you are 100% sure!\n *         <div class=\"prop-binding\" ng-prop-inner_h_t_m_l=\"$ctrl.trustedUnsafeContent\"></div>\n *         <span class=\"prop-note\">innerHTML</span> (trustedUnsafeContent)\n *       </div>\n *     </div>\n *   </file>\n *   <file name=\"index.html\">\n *     <main></main>\n *   </file>\n *   <file name=\"styles.css\">\n *     .prop-unit {\n *       margin-bottom: 10px;\n *     }\n *\n *     .prop-binding {\n *       min-height: 30px;\n *       border: 1px solid blue;\n *     }\n *\n *     .prop-note {\n *       font-family: Monospace;\n *     }\n *   </file>\n * </example>\n *\n *\n * @example\n * ### Binding to innerHTML with ngSanitize\n *\n * <example name=\"ngProp\" module=\"exampleNgProp\" deps=\"angular-sanitize.js\">\n *   <file name=\"app.js\">\n *     angular.module('exampleNgProp', ['ngSanitize'])\n *       .component('main', {\n *         templateUrl: 'main.html',\n *         controller: function($sce) {\n *           this.safeContent = '<strong>Safe content</strong>';\n *           this.unsafeContent = '<button onclick=\"alert(\\'Hello XSS!\\')\">Click for XSS</button>';\n *           this.trustedUnsafeContent = $sce.trustAsHtml(this.unsafeContent);\n *         }\n *       });\n *   </file>\n *   <file name=\"main.html\">\n *     <div>\n *       <div class=\"prop-unit\">\n *         \"Safe\" content will be sanitized ...\n *         <div class=\"prop-binding\" ng-prop-inner_h_t_m_l=\"$ctrl.safeContent\"></div>\n *         <span class=\"prop-note\">innerHTML</span> (safeContent)\n *       </div>\n *\n *       <div class=\"prop-unit\">\n *         ... as will dangerous content:\n *         <div class=\"prop-binding\" ng-prop-inner_h_t_m_l=\"$ctrl.unsafeContent\"></div>\n *         <span class=\"prop-note\">innerHTML</span> (unsafeContent)\n *       </div>\n *\n *       <div class=\"prop-unit\">\n *         ... and content that has been trusted explicitly works the same as without ngSanitize:\n *         <div class=\"prop-binding\" ng-prop-inner_h_t_m_l=\"$ctrl.trustedUnsafeContent\"></div>\n *         <span class=\"prop-note\">innerHTML</span> (trustedUnsafeContent)\n *       </div>\n *     </div>\n *   </file>\n *   <file name=\"index.html\">\n *     <main></main>\n *   </file>\n *   <file name=\"styles.css\">\n *     .prop-unit {\n *       margin-bottom: 10px;\n *     }\n *\n *     .prop-binding {\n *       min-height: 30px;\n *       border: 1px solid blue;\n *     }\n *\n *     .prop-note {\n *       font-family: Monospace;\n *     }\n *   </file>\n * </example>\n *\n */\n\n/** @ngdoc directive\n * @name ngOn\n * @restrict A\n * @element ANY\n *\n * @usage\n *\n * ```html\n * <ANY ng-on-eventname=\"expression\">\n * </ANY>\n * ```\n *\n * or with uppercase letters in property (e.g. \"eventName\"):\n *\n *\n * ```html\n * <ANY ng-on-event_name=\"expression\">\n * </ANY>\n * ```\n *\n * @description\n * The `ngOn` directive adds an event listener to a DOM element via\n * {@link angular.element angular.element().on()}, and evaluates an expression when the event is\n * fired.\n * `ngOn` allows adding listeners for arbitrary events by including\n * the event name in the attribute, e.g. `ng-on-drop=\"onDrop()\"` executes the 'onDrop()' expression\n * when the `drop` event is fired.\n *\n * AngularJS provides specific directives for many events, such as {@link ngClick}, so in most\n * cases it is not necessary to use `ngOn`. However, AngularJS does not support all events\n * (e.g. the `drop` event in the example above), and new events might be introduced in later DOM\n * standards.\n *\n * Another use-case for `ngOn` is listening to\n * [custom events](https://developer.mozilla.org/docs/Web/Guide/Events/Creating_and_triggering_events)\n * fired by\n * [custom elements](https://developer.mozilla.org/docs/Web/Web_Components/Using_custom_elements).\n *\n * ## Binding to camelCase properties\n *\n * Since HTML attributes are case-insensitive, camelCase properties like `myEvent` must be escaped.\n * AngularJS uses the underscore (_) in front of a character to indicate that it is uppercase, so\n * `myEvent` must be written as `ng-on-my_event=\"expression\"`.\n *\n * @example\n * ### Bind to built-in DOM events\n *\n * <example name=\"ngOn\" module=\"exampleNgOn\">\n *   <file name=\"app.js\">\n *     angular.module('exampleNgOn', [])\n *       .component('main', {\n *         templateUrl: 'main.html',\n *         controller: function() {\n *           this.clickCount = 0;\n *           this.mouseoverCount = 0;\n *\n *           this.loadingState = 0;\n *         }\n *       });\n *   </file>\n *   <file name=\"main.html\">\n *     <div>\n *       This is equivalent to `ngClick` and `ngMouseover`:<br>\n *       <button\n *         ng-on-click=\"$ctrl.clickCount = $ctrl.clickCount + 1\"\n *         ng-on-mouseover=\"$ctrl.mouseoverCount = $ctrl.mouseoverCount + 1\">Click or mouseover</button><br>\n *       clickCount: {{$ctrl.clickCount}}<br>\n *       mouseover: {{$ctrl.mouseoverCount}}\n *\n *       <hr>\n *\n *       For the `error` and `load` event on images no built-in AngularJS directives exist:<br>\n *       <img src=\"thisimagedoesnotexist.png\" ng-on-error=\"$ctrl.loadingState = -1\" ng-on-load=\"$ctrl.loadingState = 1\"><br>\n *       <div ng-switch=\"$ctrl.loadingState\">\n *         <span ng-switch-when=\"0\">Image is loading</span>\n *         <span ng-switch-when=\"-1\">Image load error</span>\n *         <span ng-switch-when=\"1\">Image loaded successfully</span>\n *       </div>\n *     </div>\n *   </file>\n *   <file name=\"index.html\">\n *     <main></main>\n *   </file>\n * </example>\n *\n *\n * @example\n * ### Bind to custom DOM events\n *\n * <example name=\"ngOnCustom\" module=\"exampleNgOn\">\n *   <file name=\"app.js\">\n *     angular.module('exampleNgOn', [])\n *       .component('main', {\n *         templateUrl: 'main.html',\n *         controller: function() {\n *           this.eventLog = '';\n *\n *           this.listener = function($event) {\n *             this.eventLog = 'Event with type \"' + $event.type + '\" fired at ' + $event.detail;\n *           };\n *         }\n *       })\n *       .component('childComponent', {\n *         templateUrl: 'child.html',\n *         controller: function($element) {\n *           this.fireEvent = function() {\n *             var event = new CustomEvent('customtype', { detail: new Date()});\n *\n *             $element[0].dispatchEvent(event);\n *           };\n *         }\n *       });\n *   </file>\n *   <file name=\"main.html\">\n *     <child-component ng-on-customtype=\"$ctrl.listener($event)\"></child-component><br>\n *     <span>Event log: {{$ctrl.eventLog}}</span>\n *   </file>\n *   <file name=\"child.html\">\n      <button ng-click=\"$ctrl.fireEvent()\">Fire custom event</button>\n *   </file>\n *   <file name=\"index.html\">\n *     <main></main>\n *   </file>\n * </example>\n */\n\nvar $compileMinErr = minErr('$compile');\n\nfunction UNINITIALIZED_VALUE() {}\nvar _UNINITIALIZED_VALUE = new UNINITIALIZED_VALUE();\n\n/**\n * @ngdoc provider\n * @name $compileProvider\n *\n * @description\n */\n$CompileProvider.$inject = ['$provide', '$$sanitizeUriProvider'];\n/** @this */\nfunction $CompileProvider($provide, $$sanitizeUriProvider) {\n  var hasDirectives = {},\n      Suffix = 'Directive',\n      COMMENT_DIRECTIVE_REGEXP = /^\\s*directive:\\s*([\\w-]+)\\s+(.*)$/,\n      CLASS_DIRECTIVE_REGEXP = /(([\\w-]+)(?::([^;]+))?;?)/,\n      ALL_OR_NOTHING_ATTRS = makeMap('ngSrc,ngSrcset,src,srcset'),\n      REQUIRE_PREFIX_REGEXP = /^(?:(\\^\\^?)?(\\?)?(\\^\\^?)?)?/;\n\n  // Ref: http://developers.whatwg.org/webappapis.html#event-handler-idl-attributes\n  // The assumption is that future DOM event attribute names will begin with\n  // 'on' and be composed of only English letters.\n  var EVENT_HANDLER_ATTR_REGEXP = /^(on[a-z]+|formaction)$/;\n  var bindingCache = createMap();\n\n  function parseIsolateBindings(scope, directiveName, isController) {\n    var LOCAL_REGEXP = /^([@&]|[=<](\\*?))(\\??)\\s*([\\w$]*)$/;\n\n    var bindings = createMap();\n\n    forEach(scope, function(definition, scopeName) {\n      definition = definition.trim();\n\n      if (definition in bindingCache) {\n        bindings[scopeName] = bindingCache[definition];\n        return;\n      }\n      var match = definition.match(LOCAL_REGEXP);\n\n      if (!match) {\n        throw $compileMinErr('iscp',\n            'Invalid {3} for directive \\'{0}\\'.' +\n            ' Definition: {... {1}: \\'{2}\\' ...}',\n            directiveName, scopeName, definition,\n            (isController ? 'controller bindings definition' :\n            'isolate scope definition'));\n      }\n\n      bindings[scopeName] = {\n        mode: match[1][0],\n        collection: match[2] === '*',\n        optional: match[3] === '?',\n        attrName: match[4] || scopeName\n      };\n      if (match[4]) {\n        bindingCache[definition] = bindings[scopeName];\n      }\n    });\n\n    return bindings;\n  }\n\n  function parseDirectiveBindings(directive, directiveName) {\n    var bindings = {\n      isolateScope: null,\n      bindToController: null\n    };\n    if (isObject(directive.scope)) {\n      if (directive.bindToController === true) {\n        bindings.bindToController = parseIsolateBindings(directive.scope,\n                                                         directiveName, true);\n        bindings.isolateScope = {};\n      } else {\n        bindings.isolateScope = parseIsolateBindings(directive.scope,\n                                                     directiveName, false);\n      }\n    }\n    if (isObject(directive.bindToController)) {\n      bindings.bindToController =\n          parseIsolateBindings(directive.bindToController, directiveName, true);\n    }\n    if (bindings.bindToController && !directive.controller) {\n      // There is no controller\n      throw $compileMinErr('noctrl',\n            'Cannot bind to controller without directive \\'{0}\\'s controller.',\n            directiveName);\n    }\n    return bindings;\n  }\n\n  function assertValidDirectiveName(name) {\n    var letter = name.charAt(0);\n    if (!letter || letter !== lowercase(letter)) {\n      throw $compileMinErr('baddir', 'Directive/Component name \\'{0}\\' is invalid. The first character must be a lowercase letter', name);\n    }\n    if (name !== name.trim()) {\n      throw $compileMinErr('baddir',\n            'Directive/Component name \\'{0}\\' is invalid. The name should not contain leading or trailing whitespaces',\n            name);\n    }\n  }\n\n  function getDirectiveRequire(directive) {\n    var require = directive.require || (directive.controller && directive.name);\n\n    if (!isArray(require) && isObject(require)) {\n      forEach(require, function(value, key) {\n        var match = value.match(REQUIRE_PREFIX_REGEXP);\n        var name = value.substring(match[0].length);\n        if (!name) require[key] = match[0] + key;\n      });\n    }\n\n    return require;\n  }\n\n  function getDirectiveRestrict(restrict, name) {\n    if (restrict && !(isString(restrict) && /[EACM]/.test(restrict))) {\n      throw $compileMinErr('badrestrict',\n          'Restrict property \\'{0}\\' of directive \\'{1}\\' is invalid',\n          restrict,\n          name);\n    }\n\n    return restrict || 'EA';\n  }\n\n  /**\n   * @ngdoc method\n   * @name $compileProvider#directive\n   * @kind function\n   *\n   * @description\n   * Register a new directive with the compiler.\n   *\n   * @param {string|Object} name Name of the directive in camel-case (i.e. `ngBind` which will match\n   *    as `ng-bind`), or an object map of directives where the keys are the names and the values\n   *    are the factories.\n   * @param {Function|Array} directiveFactory An injectable directive factory function. See the\n   *    {@link guide/directive directive guide} and the {@link $compile compile API} for more info.\n   * @returns {ng.$compileProvider} Self for chaining.\n   */\n  this.directive = function registerDirective(name, directiveFactory) {\n    assertArg(name, 'name');\n    assertNotHasOwnProperty(name, 'directive');\n    if (isString(name)) {\n      assertValidDirectiveName(name);\n      assertArg(directiveFactory, 'directiveFactory');\n      if (!hasDirectives.hasOwnProperty(name)) {\n        hasDirectives[name] = [];\n        $provide.factory(name + Suffix, ['$injector', '$exceptionHandler',\n          function($injector, $exceptionHandler) {\n            var directives = [];\n            forEach(hasDirectives[name], function(directiveFactory, index) {\n              try {\n                var directive = $injector.invoke(directiveFactory);\n                if (isFunction(directive)) {\n                  directive = { compile: valueFn(directive) };\n                } else if (!directive.compile && directive.link) {\n                  directive.compile = valueFn(directive.link);\n                }\n                directive.priority = directive.priority || 0;\n                directive.index = index;\n                directive.name = directive.name || name;\n                directive.require = getDirectiveRequire(directive);\n                directive.restrict = getDirectiveRestrict(directive.restrict, name);\n                directive.$$moduleName = directiveFactory.$$moduleName;\n                directives.push(directive);\n              } catch (e) {\n                $exceptionHandler(e);\n              }\n            });\n            return directives;\n          }]);\n      }\n      hasDirectives[name].push(directiveFactory);\n    } else {\n      forEach(name, reverseParams(registerDirective));\n    }\n    return this;\n  };\n\n  /**\n   * @ngdoc method\n   * @name $compileProvider#component\n   * @module ng\n   * @param {string|Object} name Name of the component in camelCase (i.e. `myComp` which will match `<my-comp>`),\n   *    or an object map of components where the keys are the names and the values are the component definition objects.\n   * @param {Object} options Component definition object (a simplified\n   *    {@link ng.$compile#directive-definition-object directive definition object}),\n   *    with the following properties (all optional):\n   *\n   *    - `controller` – `{(string|function()=}` – controller constructor function that should be\n   *      associated with newly created scope or the name of a {@link ng.$compile#-controller-\n   *      registered controller} if passed as a string. An empty `noop` function by default.\n   *    - `controllerAs` – `{string=}` – identifier name for to reference the controller in the component's scope.\n   *      If present, the controller will be published to scope under the `controllerAs` name.\n   *      If not present, this will default to be `$ctrl`.\n   *    - `template` – `{string=|function()=}` – html template as a string or a function that\n   *      returns an html template as a string which should be used as the contents of this component.\n   *      Empty string by default.\n   *\n   *      If `template` is a function, then it is {@link auto.$injector#invoke injected} with\n   *      the following locals:\n   *\n   *      - `$element` - Current element\n   *      - `$attrs` - Current attributes object for the element\n   *\n   *    - `templateUrl` – `{string=|function()=}` – path or function that returns a path to an html\n   *      template that should be used  as the contents of this component.\n   *\n   *      If `templateUrl` is a function, then it is {@link auto.$injector#invoke injected} with\n   *      the following locals:\n   *\n   *      - `$element` - Current element\n   *      - `$attrs` - Current attributes object for the element\n   *\n   *    - `bindings` – `{object=}` – defines bindings between DOM attributes and component properties.\n   *      Component properties are always bound to the component controller and not to the scope.\n   *      See {@link ng.$compile#-bindtocontroller- `bindToController`}.\n   *    - `transclude` – `{boolean=}` – whether {@link $compile#transclusion content transclusion} is enabled.\n   *      Disabled by default.\n   *    - `require` - `{Object<string, string>=}` - requires the controllers of other directives and binds them to\n   *      this component's controller. The object keys specify the property names under which the required\n   *      controllers (object values) will be bound. See {@link ng.$compile#-require- `require`}.\n   *    - `$...` – additional properties to attach to the directive factory function and the controller\n   *      constructor function. (This is used by the component router to annotate)\n   *\n   * @returns {ng.$compileProvider} the compile provider itself, for chaining of function calls.\n   * @description\n   * Register a **component definition** with the compiler. This is a shorthand for registering a special\n   * type of directive, which represents a self-contained UI component in your application. Such components\n   * are always isolated (i.e. `scope: {}`) and are always restricted to elements (i.e. `restrict: 'E'`).\n   *\n   * Component definitions are very simple and do not require as much configuration as defining general\n   * directives. Component definitions usually consist only of a template and a controller backing it.\n   *\n   * In order to make the definition easier, components enforce best practices like use of `controllerAs`,\n   * `bindToController`. They always have **isolate scope** and are restricted to elements.\n   *\n   * Here are a few examples of how you would usually define components:\n   *\n   * ```js\n   *   var myMod = angular.module(...);\n   *   myMod.component('myComp', {\n   *     template: '<div>My name is {{$ctrl.name}}</div>',\n   *     controller: function() {\n   *       this.name = 'shahar';\n   *     }\n   *   });\n   *\n   *   myMod.component('myComp', {\n   *     template: '<div>My name is {{$ctrl.name}}</div>',\n   *     bindings: {name: '@'}\n   *   });\n   *\n   *   myMod.component('myComp', {\n   *     templateUrl: 'views/my-comp.html',\n   *     controller: 'MyCtrl',\n   *     controllerAs: 'ctrl',\n   *     bindings: {name: '@'}\n   *   });\n   *\n   * ```\n   * For more examples, and an in-depth guide, see the {@link guide/component component guide}.\n   *\n   * <br />\n   * See also {@link ng.$compileProvider#directive $compileProvider.directive()}.\n   */\n  this.component = function registerComponent(name, options) {\n    if (!isString(name)) {\n      forEach(name, reverseParams(bind(this, registerComponent)));\n      return this;\n    }\n\n    var controller = options.controller || function() {};\n\n    function factory($injector) {\n      function makeInjectable(fn) {\n        if (isFunction(fn) || isArray(fn)) {\n          return /** @this */ function(tElement, tAttrs) {\n            return $injector.invoke(fn, this, {$element: tElement, $attrs: tAttrs});\n          };\n        } else {\n          return fn;\n        }\n      }\n\n      var template = (!options.template && !options.templateUrl ? '' : options.template);\n      var ddo = {\n        controller: controller,\n        controllerAs: identifierForController(options.controller) || options.controllerAs || '$ctrl',\n        template: makeInjectable(template),\n        templateUrl: makeInjectable(options.templateUrl),\n        transclude: options.transclude,\n        scope: {},\n        bindToController: options.bindings || {},\n        restrict: 'E',\n        require: options.require\n      };\n\n      // Copy annotations (starting with $) over to the DDO\n      forEach(options, function(val, key) {\n        if (key.charAt(0) === '$') ddo[key] = val;\n      });\n\n      return ddo;\n    }\n\n    // TODO(pete) remove the following `forEach` before we release 1.6.0\n    // The component-router@0.2.0 looks for the annotations on the controller constructor\n    // Nothing in AngularJS looks for annotations on the factory function but we can't remove\n    // it from 1.5.x yet.\n\n    // Copy any annotation properties (starting with $) over to the factory and controller constructor functions\n    // These could be used by libraries such as the new component router\n    forEach(options, function(val, key) {\n      if (key.charAt(0) === '$') {\n        factory[key] = val;\n        // Don't try to copy over annotations to named controller\n        if (isFunction(controller)) controller[key] = val;\n      }\n    });\n\n    factory.$inject = ['$injector'];\n\n    return this.directive(name, factory);\n  };\n\n\n  /**\n   * @ngdoc method\n   * @name $compileProvider#aHrefSanitizationWhitelist\n   * @kind function\n   *\n   * @description\n   * Retrieves or overrides the default regular expression that is used for whitelisting of safe\n   * urls during a[href] sanitization.\n   *\n   * The sanitization is a security measure aimed at preventing XSS attacks via html links.\n   *\n   * Any url about to be assigned to a[href] via data-binding is first normalized and turned into\n   * an absolute url. Afterwards, the url is matched against the `aHrefSanitizationWhitelist`\n   * regular expression. If a match is found, the original url is written into the dom. Otherwise,\n   * the absolute url is prefixed with `'unsafe:'` string and only then is it written into the DOM.\n   *\n   * @param {RegExp=} regexp New regexp to whitelist urls with.\n   * @returns {RegExp|ng.$compileProvider} Current RegExp if called without value or self for\n   *    chaining otherwise.\n   */\n  this.aHrefSanitizationWhitelist = function(regexp) {\n    if (isDefined(regexp)) {\n      $$sanitizeUriProvider.aHrefSanitizationWhitelist(regexp);\n      return this;\n    } else {\n      return $$sanitizeUriProvider.aHrefSanitizationWhitelist();\n    }\n  };\n\n\n  /**\n   * @ngdoc method\n   * @name $compileProvider#imgSrcSanitizationWhitelist\n   * @kind function\n   *\n   * @description\n   * Retrieves or overrides the default regular expression that is used for whitelisting of safe\n   * urls during img[src] sanitization.\n   *\n   * The sanitization is a security measure aimed at prevent XSS attacks via html links.\n   *\n   * Any url about to be assigned to img[src] via data-binding is first normalized and turned into\n   * an absolute url. Afterwards, the url is matched against the `imgSrcSanitizationWhitelist`\n   * regular expression. If a match is found, the original url is written into the dom. Otherwise,\n   * the absolute url is prefixed with `'unsafe:'` string and only then is it written into the DOM.\n   *\n   * @param {RegExp=} regexp New regexp to whitelist urls with.\n   * @returns {RegExp|ng.$compileProvider} Current RegExp if called without value or self for\n   *    chaining otherwise.\n   */\n  this.imgSrcSanitizationWhitelist = function(regexp) {\n    if (isDefined(regexp)) {\n      $$sanitizeUriProvider.imgSrcSanitizationWhitelist(regexp);\n      return this;\n    } else {\n      return $$sanitizeUriProvider.imgSrcSanitizationWhitelist();\n    }\n  };\n\n  /**\n   * @ngdoc method\n   * @name  $compileProvider#debugInfoEnabled\n   *\n   * @param {boolean=} enabled update the debugInfoEnabled state if provided, otherwise just return the\n   * current debugInfoEnabled state\n   * @returns {*} current value if used as getter or itself (chaining) if used as setter\n   *\n   * @kind function\n   *\n   * @description\n   * Call this method to enable/disable various debug runtime information in the compiler such as adding\n   * binding information and a reference to the current scope on to DOM elements.\n   * If enabled, the compiler will add the following to DOM elements that have been bound to the scope\n   * * `ng-binding` CSS class\n   * * `ng-scope` and `ng-isolated-scope` CSS classes\n   * * `$binding` data property containing an array of the binding expressions\n   * * Data properties used by the {@link angular.element#methods `scope()`/`isolateScope()` methods} to return\n   *   the element's scope.\n   * * Placeholder comments will contain information about what directive and binding caused the placeholder.\n   *   E.g. `<!-- ngIf: shouldShow() -->`.\n   *\n   * You may want to disable this in production for a significant performance boost. See\n   * {@link guide/production#disabling-debug-data Disabling Debug Data} for more.\n   *\n   * The default value is true.\n   */\n  var debugInfoEnabled = true;\n  this.debugInfoEnabled = function(enabled) {\n    if (isDefined(enabled)) {\n      debugInfoEnabled = enabled;\n      return this;\n    }\n    return debugInfoEnabled;\n  };\n\n  /**\n   * @ngdoc method\n   * @name  $compileProvider#strictComponentBindingsEnabled\n   *\n   * @param {boolean=} enabled update the strictComponentBindingsEnabled state if provided,\n   * otherwise return the current strictComponentBindingsEnabled state.\n   * @returns {*} current value if used as getter or itself (chaining) if used as setter\n   *\n   * @kind function\n   *\n   * @description\n   * Call this method to enable / disable the strict component bindings check. If enabled, the\n   * compiler will enforce that all scope / controller bindings of a\n   * {@link $compileProvider#directive directive} / {@link $compileProvider#component component}\n   * that are not set as optional with `?`, must be provided when the directive is instantiated.\n   * If not provided, the compiler will throw the\n   * {@link error/$compile/missingattr $compile:missingattr error}.\n   *\n   * The default value is false.\n   */\n  var strictComponentBindingsEnabled = false;\n  this.strictComponentBindingsEnabled = function(enabled) {\n    if (isDefined(enabled)) {\n      strictComponentBindingsEnabled = enabled;\n      return this;\n    }\n    return strictComponentBindingsEnabled;\n  };\n\n  var TTL = 10;\n  /**\n   * @ngdoc method\n   * @name $compileProvider#onChangesTtl\n   * @description\n   *\n   * Sets the number of times `$onChanges` hooks can trigger new changes before giving up and\n   * assuming that the model is unstable.\n   *\n   * The current default is 10 iterations.\n   *\n   * In complex applications it's possible that dependencies between `$onChanges` hooks and bindings will result\n   * in several iterations of calls to these hooks. However if an application needs more than the default 10\n   * iterations to stabilize then you should investigate what is causing the model to continuously change during\n   * the `$onChanges` hook execution.\n   *\n   * Increasing the TTL could have performance implications, so you should not change it without proper justification.\n   *\n   * @param {number} limit The number of `$onChanges` hook iterations.\n   * @returns {number|object} the current limit (or `this` if called as a setter for chaining)\n   */\n  this.onChangesTtl = function(value) {\n    if (arguments.length) {\n      TTL = value;\n      return this;\n    }\n    return TTL;\n  };\n\n  var commentDirectivesEnabledConfig = true;\n  /**\n   * @ngdoc method\n   * @name $compileProvider#commentDirectivesEnabled\n   * @description\n   *\n   * It indicates to the compiler\n   * whether or not directives on comments should be compiled.\n   * Defaults to `true`.\n   *\n   * Calling this function with false disables the compilation of directives\n   * on comments for the whole application.\n   * This results in a compilation performance gain,\n   * as the compiler doesn't have to check comments when looking for directives.\n   * This should however only be used if you are sure that no comment directives are used in\n   * the application (including any 3rd party directives).\n   *\n   * @param {boolean} enabled `false` if the compiler may ignore directives on comments\n   * @returns {boolean|object} the current value (or `this` if called as a setter for chaining)\n   */\n  this.commentDirectivesEnabled = function(value) {\n    if (arguments.length) {\n      commentDirectivesEnabledConfig = value;\n      return this;\n    }\n    return commentDirectivesEnabledConfig;\n  };\n\n\n  var cssClassDirectivesEnabledConfig = true;\n  /**\n   * @ngdoc method\n   * @name $compileProvider#cssClassDirectivesEnabled\n   * @description\n   *\n   * It indicates to the compiler\n   * whether or not directives on element classes should be compiled.\n   * Defaults to `true`.\n   *\n   * Calling this function with false disables the compilation of directives\n   * on element classes for the whole application.\n   * This results in a compilation performance gain,\n   * as the compiler doesn't have to check element classes when looking for directives.\n   * This should however only be used if you are sure that no class directives are used in\n   * the application (including any 3rd party directives).\n   *\n   * @param {boolean} enabled `false` if the compiler may ignore directives on element classes\n   * @returns {boolean|object} the current value (or `this` if called as a setter for chaining)\n   */\n  this.cssClassDirectivesEnabled = function(value) {\n    if (arguments.length) {\n      cssClassDirectivesEnabledConfig = value;\n      return this;\n    }\n    return cssClassDirectivesEnabledConfig;\n  };\n\n\n  /**\n   * The security context of DOM Properties.\n   * @private\n   */\n  var PROP_CONTEXTS = createMap();\n\n  /**\n   * @ngdoc method\n   * @name $compileProvider#addPropertySecurityContext\n   * @description\n   *\n   * Defines the security context for DOM properties bound by ng-prop-*.\n   *\n   * @param {string} elementName The element name or '*' to match any element.\n   * @param {string} propertyName The DOM property name.\n   * @param {string} ctx The {@link $sce} security context in which this value is safe for use, e.g. `$sce.URL`\n   * @returns {object} `this` for chaining\n   */\n  this.addPropertySecurityContext = function(elementName, propertyName, ctx) {\n    var key = (elementName.toLowerCase() + '|' + propertyName.toLowerCase());\n\n    if (key in PROP_CONTEXTS && PROP_CONTEXTS[key] !== ctx) {\n      throw $compileMinErr('ctxoverride', 'Property context \\'{0}.{1}\\' already set to \\'{2}\\', cannot override to \\'{3}\\'.', elementName, propertyName, PROP_CONTEXTS[key], ctx);\n    }\n\n    PROP_CONTEXTS[key] = ctx;\n    return this;\n  };\n\n  /* Default property contexts.\n   *\n   * Copy of https://github.com/angular/angular/blob/6.0.6/packages/compiler/src/schema/dom_security_schema.ts#L31-L58\n   * Changing:\n   * - SecurityContext.* => SCE_CONTEXTS/$sce.*\n   * - STYLE => CSS\n   * - various URL => MEDIA_URL\n   * - *|formAction, form|action URL => RESOURCE_URL (like the attribute)\n   */\n  (function registerNativePropertyContexts() {\n    function registerContext(ctx, values) {\n      forEach(values, function(v) { PROP_CONTEXTS[v.toLowerCase()] = ctx; });\n    }\n\n    registerContext(SCE_CONTEXTS.HTML, [\n      'iframe|srcdoc',\n      '*|innerHTML',\n      '*|outerHTML'\n    ]);\n    registerContext(SCE_CONTEXTS.CSS, ['*|style']);\n    registerContext(SCE_CONTEXTS.URL, [\n      'area|href',       'area|ping',\n      'a|href',          'a|ping',\n      'blockquote|cite',\n      'body|background',\n      'del|cite',\n      'input|src',\n      'ins|cite',\n      'q|cite'\n    ]);\n    registerContext(SCE_CONTEXTS.MEDIA_URL, [\n      'audio|src',\n      'img|src',    'img|srcset',\n      'source|src', 'source|srcset',\n      'track|src',\n      'video|src',  'video|poster'\n    ]);\n    registerContext(SCE_CONTEXTS.RESOURCE_URL, [\n      '*|formAction',\n      'applet|code',      'applet|codebase',\n      'base|href',\n      'embed|src',\n      'frame|src',\n      'form|action',\n      'head|profile',\n      'html|manifest',\n      'iframe|src',\n      'link|href',\n      'media|src',\n      'object|codebase',  'object|data',\n      'script|src'\n    ]);\n  })();\n\n\n  this.$get = [\n            '$injector', '$interpolate', '$exceptionHandler', '$templateRequest', '$parse',\n            '$controller', '$rootScope', '$sce', '$animate',\n    function($injector,   $interpolate,   $exceptionHandler,   $templateRequest,   $parse,\n             $controller,   $rootScope,   $sce,   $animate) {\n\n    var SIMPLE_ATTR_NAME = /^\\w/;\n    var specialAttrHolder = window.document.createElement('div');\n\n\n    var commentDirectivesEnabled = commentDirectivesEnabledConfig;\n    var cssClassDirectivesEnabled = cssClassDirectivesEnabledConfig;\n\n\n    var onChangesTtl = TTL;\n    // The onChanges hooks should all be run together in a single digest\n    // When changes occur, the call to trigger their hooks will be added to this queue\n    var onChangesQueue;\n\n    // This function is called in a $$postDigest to trigger all the onChanges hooks in a single digest\n    function flushOnChangesQueue() {\n      try {\n        if (!(--onChangesTtl)) {\n          // We have hit the TTL limit so reset everything\n          onChangesQueue = undefined;\n          throw $compileMinErr('infchng', '{0} $onChanges() iterations reached. Aborting!\\n', TTL);\n        }\n        // We must run this hook in an apply since the $$postDigest runs outside apply\n        $rootScope.$apply(function() {\n          for (var i = 0, ii = onChangesQueue.length; i < ii; ++i) {\n            try {\n              onChangesQueue[i]();\n            } catch (e) {\n              $exceptionHandler(e);\n            }\n          }\n          // Reset the queue to trigger a new schedule next time there is a change\n          onChangesQueue = undefined;\n        });\n      } finally {\n        onChangesTtl++;\n      }\n    }\n\n\n    function sanitizeSrcset(value, invokeType) {\n      if (!value) {\n        return value;\n      }\n      if (!isString(value)) {\n        throw $compileMinErr('srcset', 'Can\\'t pass trusted values to `{0}`: \"{1}\"', invokeType, value.toString());\n      }\n\n      // Such values are a bit too complex to handle automatically inside $sce.\n      // Instead, we sanitize each of the URIs individually, which works, even dynamically.\n\n      // It's not possible to work around this using `$sce.trustAsMediaUrl`.\n      // If you want to programmatically set explicitly trusted unsafe URLs, you should use\n      // `$sce.trustAsHtml` on the whole `img` tag and inject it into the DOM using the\n      // `ng-bind-html` directive.\n\n      var result = '';\n\n      // first check if there are spaces because it's not the same pattern\n      var trimmedSrcset = trim(value);\n      //                (   999x   ,|   999w   ,|   ,|,   )\n      var srcPattern = /(\\s+\\d+x\\s*,|\\s+\\d+w\\s*,|\\s+,|,\\s+)/;\n      var pattern = /\\s/.test(trimmedSrcset) ? srcPattern : /(,)/;\n\n      // split srcset into tuple of uri and descriptor except for the last item\n      var rawUris = trimmedSrcset.split(pattern);\n\n      // for each tuples\n      var nbrUrisWith2parts = Math.floor(rawUris.length / 2);\n      for (var i = 0; i < nbrUrisWith2parts; i++) {\n        var innerIdx = i * 2;\n        // sanitize the uri\n        result += $sce.getTrustedMediaUrl(trim(rawUris[innerIdx]));\n        // add the descriptor\n        result += ' ' + trim(rawUris[innerIdx + 1]);\n      }\n\n      // split the last item into uri and descriptor\n      var lastTuple = trim(rawUris[i * 2]).split(/\\s/);\n\n      // sanitize the last uri\n      result += $sce.getTrustedMediaUrl(trim(lastTuple[0]));\n\n      // and add the last descriptor if any\n      if (lastTuple.length === 2) {\n        result += (' ' + trim(lastTuple[1]));\n      }\n      return result;\n    }\n\n\n    function Attributes(element, attributesToCopy) {\n      if (attributesToCopy) {\n        var keys = Object.keys(attributesToCopy);\n        var i, l, key;\n\n        for (i = 0, l = keys.length; i < l; i++) {\n          key = keys[i];\n          this[key] = attributesToCopy[key];\n        }\n      } else {\n        this.$attr = {};\n      }\n\n      this.$$element = element;\n    }\n\n    Attributes.prototype = {\n      /**\n       * @ngdoc method\n       * @name $compile.directive.Attributes#$normalize\n       * @kind function\n       *\n       * @description\n       * Converts an attribute name (e.g. dash/colon/underscore-delimited string, optionally prefixed with `x-` or\n       * `data-`) to its normalized, camelCase form.\n       *\n       * Also there is special case for Moz prefix starting with upper case letter.\n       *\n       * For further information check out the guide on {@link guide/directive#matching-directives Matching Directives}\n       *\n       * @param {string} name Name to normalize\n       */\n      $normalize: directiveNormalize,\n\n\n      /**\n       * @ngdoc method\n       * @name $compile.directive.Attributes#$addClass\n       * @kind function\n       *\n       * @description\n       * Adds the CSS class value specified by the classVal parameter to the element. If animations\n       * are enabled then an animation will be triggered for the class addition.\n       *\n       * @param {string} classVal The className value that will be added to the element\n       */\n      $addClass: function(classVal) {\n        if (classVal && classVal.length > 0) {\n          $animate.addClass(this.$$element, classVal);\n        }\n      },\n\n      /**\n       * @ngdoc method\n       * @name $compile.directive.Attributes#$removeClass\n       * @kind function\n       *\n       * @description\n       * Removes the CSS class value specified by the classVal parameter from the element. If\n       * animations are enabled then an animation will be triggered for the class removal.\n       *\n       * @param {string} classVal The className value that will be removed from the element\n       */\n      $removeClass: function(classVal) {\n        if (classVal && classVal.length > 0) {\n          $animate.removeClass(this.$$element, classVal);\n        }\n      },\n\n      /**\n       * @ngdoc method\n       * @name $compile.directive.Attributes#$updateClass\n       * @kind function\n       *\n       * @description\n       * Adds and removes the appropriate CSS class values to the element based on the difference\n       * between the new and old CSS class values (specified as newClasses and oldClasses).\n       *\n       * @param {string} newClasses The current CSS className value\n       * @param {string} oldClasses The former CSS className value\n       */\n      $updateClass: function(newClasses, oldClasses) {\n        var toAdd = tokenDifference(newClasses, oldClasses);\n        if (toAdd && toAdd.length) {\n          $animate.addClass(this.$$element, toAdd);\n        }\n\n        var toRemove = tokenDifference(oldClasses, newClasses);\n        if (toRemove && toRemove.length) {\n          $animate.removeClass(this.$$element, toRemove);\n        }\n      },\n\n      /**\n       * Set a normalized attribute on the element in a way such that all directives\n       * can share the attribute. This function properly handles boolean attributes.\n       * @param {string} key Normalized key. (ie ngAttribute)\n       * @param {string|boolean} value The value to set. If `null` attribute will be deleted.\n       * @param {boolean=} writeAttr If false, does not write the value to DOM element attribute.\n       *     Defaults to true.\n       * @param {string=} attrName Optional none normalized name. Defaults to key.\n       */\n      $set: function(key, value, writeAttr, attrName) {\n        // TODO: decide whether or not to throw an error if \"class\"\n        // is set through this function since it may cause $updateClass to\n        // become unstable.\n\n        var node = this.$$element[0],\n            booleanKey = getBooleanAttrName(node, key),\n            aliasedKey = getAliasedAttrName(key),\n            observer = key,\n            nodeName;\n\n        if (booleanKey) {\n          this.$$element.prop(key, value);\n          attrName = booleanKey;\n        } else if (aliasedKey) {\n          this[aliasedKey] = value;\n          observer = aliasedKey;\n        }\n\n        this[key] = value;\n\n        // translate normalized key to actual key\n        if (attrName) {\n          this.$attr[key] = attrName;\n        } else {\n          attrName = this.$attr[key];\n          if (!attrName) {\n            this.$attr[key] = attrName = snake_case(key, '-');\n          }\n        }\n\n        nodeName = nodeName_(this.$$element);\n\n        // Sanitize img[srcset] values.\n        if (nodeName === 'img' && key === 'srcset') {\n          this[key] = value = sanitizeSrcset(value, '$set(\\'srcset\\', value)');\n        }\n\n        if (writeAttr !== false) {\n          if (value === null || isUndefined(value)) {\n            this.$$element.removeAttr(attrName);\n          } else {\n            if (SIMPLE_ATTR_NAME.test(attrName)) {\n              // jQuery skips special boolean attrs treatment in XML nodes for\n              // historical reasons and hence AngularJS cannot freely call\n              // `.attr(attrName, false) with such attributes. To avoid issues\n              // in XHTML, call `removeAttr` in such cases instead.\n              // See https://github.com/jquery/jquery/issues/4249\n              if (booleanKey && value === false) {\n                this.$$element.removeAttr(attrName);\n              } else {\n                this.$$element.attr(attrName, value);\n              }\n            } else {\n              setSpecialAttr(this.$$element[0], attrName, value);\n            }\n          }\n        }\n\n        // fire observers\n        var $$observers = this.$$observers;\n        if ($$observers) {\n          forEach($$observers[observer], function(fn) {\n            try {\n              fn(value);\n            } catch (e) {\n              $exceptionHandler(e);\n            }\n          });\n        }\n      },\n\n\n      /**\n       * @ngdoc method\n       * @name $compile.directive.Attributes#$observe\n       * @kind function\n       *\n       * @description\n       * Observes an interpolated attribute.\n       *\n       * The observer function will be invoked once during the next `$digest` following\n       * compilation. The observer is then invoked whenever the interpolated value\n       * changes.\n       *\n       * @param {string} key Normalized key. (ie ngAttribute) .\n       * @param {function(interpolatedValue)} fn Function that will be called whenever\n                the interpolated value of the attribute changes.\n       *        See the {@link guide/interpolation#how-text-and-attribute-bindings-work Interpolation\n       *        guide} for more info.\n       * @returns {function()} Returns a deregistration function for this observer.\n       */\n      $observe: function(key, fn) {\n        var attrs = this,\n            $$observers = (attrs.$$observers || (attrs.$$observers = createMap())),\n            listeners = ($$observers[key] || ($$observers[key] = []));\n\n        listeners.push(fn);\n        $rootScope.$evalAsync(function() {\n          if (!listeners.$$inter && attrs.hasOwnProperty(key) && !isUndefined(attrs[key])) {\n            // no one registered attribute interpolation function, so lets call it manually\n            fn(attrs[key]);\n          }\n        });\n\n        return function() {\n          arrayRemove(listeners, fn);\n        };\n      }\n    };\n\n    function setSpecialAttr(element, attrName, value) {\n      // Attributes names that do not start with letters (such as `(click)`) cannot be set using `setAttribute`\n      // so we have to jump through some hoops to get such an attribute\n      // https://github.com/angular/angular.js/pull/13318\n      specialAttrHolder.innerHTML = '<span ' + attrName + '>';\n      var attributes = specialAttrHolder.firstChild.attributes;\n      var attribute = attributes[0];\n      // We have to remove the attribute from its container element before we can add it to the destination element\n      attributes.removeNamedItem(attribute.name);\n      attribute.value = value;\n      element.attributes.setNamedItem(attribute);\n    }\n\n    function safeAddClass($element, className) {\n      try {\n        $element.addClass(className);\n      } catch (e) {\n        // ignore, since it means that we are trying to set class on\n        // SVG element, where class name is read-only.\n      }\n    }\n\n\n    var startSymbol = $interpolate.startSymbol(),\n        endSymbol = $interpolate.endSymbol(),\n        denormalizeTemplate = (startSymbol === '{{' && endSymbol  === '}}')\n            ? identity\n            : function denormalizeTemplate(template) {\n              return template.replace(/\\{\\{/g, startSymbol).replace(/}}/g, endSymbol);\n        },\n        NG_PREFIX_BINDING = /^ng(Attr|Prop|On)([A-Z].*)$/;\n    var MULTI_ELEMENT_DIR_RE = /^(.+)Start$/;\n\n    compile.$$addBindingInfo = debugInfoEnabled ? function $$addBindingInfo($element, binding) {\n      var bindings = $element.data('$binding') || [];\n\n      if (isArray(binding)) {\n        bindings = bindings.concat(binding);\n      } else {\n        bindings.push(binding);\n      }\n\n      $element.data('$binding', bindings);\n    } : noop;\n\n    compile.$$addBindingClass = debugInfoEnabled ? function $$addBindingClass($element) {\n      safeAddClass($element, 'ng-binding');\n    } : noop;\n\n    compile.$$addScopeInfo = debugInfoEnabled ? function $$addScopeInfo($element, scope, isolated, noTemplate) {\n      var dataName = isolated ? (noTemplate ? '$isolateScopeNoTemplate' : '$isolateScope') : '$scope';\n      $element.data(dataName, scope);\n    } : noop;\n\n    compile.$$addScopeClass = debugInfoEnabled ? function $$addScopeClass($element, isolated) {\n      safeAddClass($element, isolated ? 'ng-isolate-scope' : 'ng-scope');\n    } : noop;\n\n    compile.$$createComment = function(directiveName, comment) {\n      var content = '';\n      if (debugInfoEnabled) {\n        content = ' ' + (directiveName || '') + ': ';\n        if (comment) content += comment + ' ';\n      }\n      return window.document.createComment(content);\n    };\n\n    return compile;\n\n    //================================\n\n    function compile($compileNodes, transcludeFn, maxPriority, ignoreDirective,\n                        previousCompileContext) {\n      if (!($compileNodes instanceof jqLite)) {\n        // jquery always rewraps, whereas we need to preserve the original selector so that we can\n        // modify it.\n        $compileNodes = jqLite($compileNodes);\n      }\n      var compositeLinkFn =\n              compileNodes($compileNodes, transcludeFn, $compileNodes,\n                           maxPriority, ignoreDirective, previousCompileContext);\n      compile.$$addScopeClass($compileNodes);\n      var namespace = null;\n      return function publicLinkFn(scope, cloneConnectFn, options) {\n        if (!$compileNodes) {\n          throw $compileMinErr('multilink', 'This element has already been linked.');\n        }\n        assertArg(scope, 'scope');\n\n        if (previousCompileContext && previousCompileContext.needsNewScope) {\n          // A parent directive did a replace and a directive on this element asked\n          // for transclusion, which caused us to lose a layer of element on which\n          // we could hold the new transclusion scope, so we will create it manually\n          // here.\n          scope = scope.$parent.$new();\n        }\n\n        options = options || {};\n        var parentBoundTranscludeFn = options.parentBoundTranscludeFn,\n          transcludeControllers = options.transcludeControllers,\n          futureParentElement = options.futureParentElement;\n\n        // When `parentBoundTranscludeFn` is passed, it is a\n        // `controllersBoundTransclude` function (it was previously passed\n        // as `transclude` to directive.link) so we must unwrap it to get\n        // its `boundTranscludeFn`\n        if (parentBoundTranscludeFn && parentBoundTranscludeFn.$$boundTransclude) {\n          parentBoundTranscludeFn = parentBoundTranscludeFn.$$boundTransclude;\n        }\n\n        if (!namespace) {\n          namespace = detectNamespaceForChildElements(futureParentElement);\n        }\n        var $linkNode;\n        if (namespace !== 'html') {\n          // When using a directive with replace:true and templateUrl the $compileNodes\n          // (or a child element inside of them)\n          // might change, so we need to recreate the namespace adapted compileNodes\n          // for call to the link function.\n          // Note: This will already clone the nodes...\n          $linkNode = jqLite(\n            wrapTemplate(namespace, jqLite('<div></div>').append($compileNodes).html())\n          );\n        } else if (cloneConnectFn) {\n          // important!!: we must call our jqLite.clone() since the jQuery one is trying to be smart\n          // and sometimes changes the structure of the DOM.\n          $linkNode = JQLitePrototype.clone.call($compileNodes);\n        } else {\n          $linkNode = $compileNodes;\n        }\n\n        if (transcludeControllers) {\n          for (var controllerName in transcludeControllers) {\n            $linkNode.data('$' + controllerName + 'Controller', transcludeControllers[controllerName].instance);\n          }\n        }\n\n        compile.$$addScopeInfo($linkNode, scope);\n\n        if (cloneConnectFn) cloneConnectFn($linkNode, scope);\n        if (compositeLinkFn) compositeLinkFn(scope, $linkNode, $linkNode, parentBoundTranscludeFn);\n\n        if (!cloneConnectFn) {\n          $compileNodes = compositeLinkFn = null;\n        }\n        return $linkNode;\n      };\n    }\n\n    function detectNamespaceForChildElements(parentElement) {\n      // TODO: Make this detect MathML as well...\n      var node = parentElement && parentElement[0];\n      if (!node) {\n        return 'html';\n      } else {\n        return nodeName_(node) !== 'foreignobject' && toString.call(node).match(/SVG/) ? 'svg' : 'html';\n      }\n    }\n\n    /**\n     * Compile function matches each node in nodeList against the directives. Once all directives\n     * for a particular node are collected their compile functions are executed. The compile\n     * functions return values - the linking functions - are combined into a composite linking\n     * function, which is the a linking function for the node.\n     *\n     * @param {NodeList} nodeList an array of nodes or NodeList to compile\n     * @param {function(angular.Scope, cloneAttachFn=)} transcludeFn A linking function, where the\n     *        scope argument is auto-generated to the new child of the transcluded parent scope.\n     * @param {DOMElement=} $rootElement If the nodeList is the root of the compilation tree then\n     *        the rootElement must be set the jqLite collection of the compile root. This is\n     *        needed so that the jqLite collection items can be replaced with widgets.\n     * @param {number=} maxPriority Max directive priority.\n     * @returns {Function} A composite linking function of all of the matched directives or null.\n     */\n    function compileNodes(nodeList, transcludeFn, $rootElement, maxPriority, ignoreDirective,\n                            previousCompileContext) {\n      var linkFns = [],\n          // `nodeList` can be either an element's `.childNodes` (live NodeList)\n          // or a jqLite/jQuery collection or an array\n          notLiveList = isArray(nodeList) || (nodeList instanceof jqLite),\n          attrs, directives, nodeLinkFn, childNodes, childLinkFn, linkFnFound, nodeLinkFnFound;\n\n\n      for (var i = 0; i < nodeList.length; i++) {\n        attrs = new Attributes();\n\n        // Support: IE 11 only\n        // Workaround for #11781 and #14924\n        if (msie === 11) {\n          mergeConsecutiveTextNodes(nodeList, i, notLiveList);\n        }\n\n        // We must always refer to `nodeList[i]` hereafter,\n        // since the nodes can be replaced underneath us.\n        directives = collectDirectives(nodeList[i], [], attrs, i === 0 ? maxPriority : undefined,\n                                        ignoreDirective);\n\n        nodeLinkFn = (directives.length)\n            ? applyDirectivesToNode(directives, nodeList[i], attrs, transcludeFn, $rootElement,\n                                      null, [], [], previousCompileContext)\n            : null;\n\n        if (nodeLinkFn && nodeLinkFn.scope) {\n          compile.$$addScopeClass(attrs.$$element);\n        }\n\n        childLinkFn = (nodeLinkFn && nodeLinkFn.terminal ||\n                      !(childNodes = nodeList[i].childNodes) ||\n                      !childNodes.length)\n            ? null\n            : compileNodes(childNodes,\n                 nodeLinkFn ? (\n                  (nodeLinkFn.transcludeOnThisElement || !nodeLinkFn.templateOnThisElement)\n                     && nodeLinkFn.transclude) : transcludeFn);\n\n        if (nodeLinkFn || childLinkFn) {\n          linkFns.push(i, nodeLinkFn, childLinkFn);\n          linkFnFound = true;\n          nodeLinkFnFound = nodeLinkFnFound || nodeLinkFn;\n        }\n\n        //use the previous context only for the first element in the virtual group\n        previousCompileContext = null;\n      }\n\n      // return a linking function if we have found anything, null otherwise\n      return linkFnFound ? compositeLinkFn : null;\n\n      function compositeLinkFn(scope, nodeList, $rootElement, parentBoundTranscludeFn) {\n        var nodeLinkFn, childLinkFn, node, childScope, i, ii, idx, childBoundTranscludeFn;\n        var stableNodeList;\n\n\n        if (nodeLinkFnFound) {\n          // copy nodeList so that if a nodeLinkFn removes or adds an element at this DOM level our\n          // offsets don't get screwed up\n          var nodeListLength = nodeList.length;\n          stableNodeList = new Array(nodeListLength);\n\n          // create a sparse array by only copying the elements which have a linkFn\n          for (i = 0; i < linkFns.length; i += 3) {\n            idx = linkFns[i];\n            stableNodeList[idx] = nodeList[idx];\n          }\n        } else {\n          stableNodeList = nodeList;\n        }\n\n        for (i = 0, ii = linkFns.length; i < ii;) {\n          node = stableNodeList[linkFns[i++]];\n          nodeLinkFn = linkFns[i++];\n          childLinkFn = linkFns[i++];\n\n          if (nodeLinkFn) {\n            if (nodeLinkFn.scope) {\n              childScope = scope.$new();\n              compile.$$addScopeInfo(jqLite(node), childScope);\n            } else {\n              childScope = scope;\n            }\n\n            if (nodeLinkFn.transcludeOnThisElement) {\n              childBoundTranscludeFn = createBoundTranscludeFn(\n                  scope, nodeLinkFn.transclude, parentBoundTranscludeFn);\n\n            } else if (!nodeLinkFn.templateOnThisElement && parentBoundTranscludeFn) {\n              childBoundTranscludeFn = parentBoundTranscludeFn;\n\n            } else if (!parentBoundTranscludeFn && transcludeFn) {\n              childBoundTranscludeFn = createBoundTranscludeFn(scope, transcludeFn);\n\n            } else {\n              childBoundTranscludeFn = null;\n            }\n\n            nodeLinkFn(childLinkFn, childScope, node, $rootElement, childBoundTranscludeFn);\n\n          } else if (childLinkFn) {\n            childLinkFn(scope, node.childNodes, undefined, parentBoundTranscludeFn);\n          }\n        }\n      }\n    }\n\n    function mergeConsecutiveTextNodes(nodeList, idx, notLiveList) {\n      var node = nodeList[idx];\n      var parent = node.parentNode;\n      var sibling;\n\n      if (node.nodeType !== NODE_TYPE_TEXT) {\n        return;\n      }\n\n      while (true) {\n        sibling = parent ? node.nextSibling : nodeList[idx + 1];\n        if (!sibling || sibling.nodeType !== NODE_TYPE_TEXT) {\n          break;\n        }\n\n        node.nodeValue = node.nodeValue + sibling.nodeValue;\n\n        if (sibling.parentNode) {\n          sibling.parentNode.removeChild(sibling);\n        }\n        if (notLiveList && sibling === nodeList[idx + 1]) {\n          nodeList.splice(idx + 1, 1);\n        }\n      }\n    }\n\n    function createBoundTranscludeFn(scope, transcludeFn, previousBoundTranscludeFn) {\n      function boundTranscludeFn(transcludedScope, cloneFn, controllers, futureParentElement, containingScope) {\n\n        if (!transcludedScope) {\n          transcludedScope = scope.$new(false, containingScope);\n          transcludedScope.$$transcluded = true;\n        }\n\n        return transcludeFn(transcludedScope, cloneFn, {\n          parentBoundTranscludeFn: previousBoundTranscludeFn,\n          transcludeControllers: controllers,\n          futureParentElement: futureParentElement\n        });\n      }\n\n      // We need  to attach the transclusion slots onto the `boundTranscludeFn`\n      // so that they are available inside the `controllersBoundTransclude` function\n      var boundSlots = boundTranscludeFn.$$slots = createMap();\n      for (var slotName in transcludeFn.$$slots) {\n        if (transcludeFn.$$slots[slotName]) {\n          boundSlots[slotName] = createBoundTranscludeFn(scope, transcludeFn.$$slots[slotName], previousBoundTranscludeFn);\n        } else {\n          boundSlots[slotName] = null;\n        }\n      }\n\n      return boundTranscludeFn;\n    }\n\n    /**\n     * Looks for directives on the given node and adds them to the directive collection which is\n     * sorted.\n     *\n     * @param node Node to search.\n     * @param directives An array to which the directives are added to. This array is sorted before\n     *        the function returns.\n     * @param attrs The shared attrs object which is used to populate the normalized attributes.\n     * @param {number=} maxPriority Max directive priority.\n     */\n    function collectDirectives(node, directives, attrs, maxPriority, ignoreDirective) {\n      var nodeType = node.nodeType,\n          attrsMap = attrs.$attr,\n          match,\n          nodeName,\n          className;\n\n      switch (nodeType) {\n        case NODE_TYPE_ELEMENT: /* Element */\n\n          nodeName = nodeName_(node);\n\n          // use the node name: <directive>\n          addDirective(directives,\n              directiveNormalize(nodeName), 'E', maxPriority, ignoreDirective);\n\n          // iterate over the attributes\n          for (var attr, name, nName, value, ngPrefixMatch, nAttrs = node.attributes,\n                   j = 0, jj = nAttrs && nAttrs.length; j < jj; j++) {\n            var attrStartName = false;\n            var attrEndName = false;\n\n            var isNgAttr = false, isNgProp = false, isNgEvent = false;\n            var multiElementMatch;\n\n            attr = nAttrs[j];\n            name = attr.name;\n            value = attr.value;\n\n            nName = directiveNormalize(name.toLowerCase());\n\n            // Support ng-attr-*, ng-prop-* and ng-on-*\n            if ((ngPrefixMatch = nName.match(NG_PREFIX_BINDING))) {\n              isNgAttr = ngPrefixMatch[1] === 'Attr';\n              isNgProp = ngPrefixMatch[1] === 'Prop';\n              isNgEvent = ngPrefixMatch[1] === 'On';\n\n              // Normalize the non-prefixed name\n              name = name.replace(PREFIX_REGEXP, '')\n                .toLowerCase()\n                .substr(4 + ngPrefixMatch[1].length).replace(/_(.)/g, function(match, letter) {\n                  return letter.toUpperCase();\n                });\n\n            // Support *-start / *-end multi element directives\n            } else if ((multiElementMatch = nName.match(MULTI_ELEMENT_DIR_RE)) && directiveIsMultiElement(multiElementMatch[1])) {\n              attrStartName = name;\n              attrEndName = name.substr(0, name.length - 5) + 'end';\n              name = name.substr(0, name.length - 6);\n            }\n\n            if (isNgProp || isNgEvent) {\n              attrs[nName] = value;\n              attrsMap[nName] = attr.name;\n\n              if (isNgProp) {\n                addPropertyDirective(node, directives, nName, name);\n              } else {\n                addEventDirective(directives, nName, name);\n              }\n            } else {\n              // Update nName for cases where a prefix was removed\n              // NOTE: the .toLowerCase() is unnecessary and causes https://github.com/angular/angular.js/issues/16624 for ng-attr-*\n              nName = directiveNormalize(name.toLowerCase());\n              attrsMap[nName] = name;\n\n              if (isNgAttr || !attrs.hasOwnProperty(nName)) {\n                attrs[nName] = value;\n                if (getBooleanAttrName(node, nName)) {\n                  attrs[nName] = true; // presence means true\n                }\n              }\n\n              addAttrInterpolateDirective(node, directives, value, nName, isNgAttr);\n              addDirective(directives, nName, 'A', maxPriority, ignoreDirective, attrStartName,\n                            attrEndName);\n            }\n          }\n\n          if (nodeName === 'input' && node.getAttribute('type') === 'hidden') {\n            // Hidden input elements can have strange behaviour when navigating back to the page\n            // This tells the browser not to try to cache and reinstate previous values\n            node.setAttribute('autocomplete', 'off');\n          }\n\n          // use class as directive\n          if (!cssClassDirectivesEnabled) break;\n          className = node.className;\n          if (isObject(className)) {\n              // Maybe SVGAnimatedString\n              className = className.animVal;\n          }\n          if (isString(className) && className !== '') {\n            while ((match = CLASS_DIRECTIVE_REGEXP.exec(className))) {\n              nName = directiveNormalize(match[2]);\n              if (addDirective(directives, nName, 'C', maxPriority, ignoreDirective)) {\n                attrs[nName] = trim(match[3]);\n              }\n              className = className.substr(match.index + match[0].length);\n            }\n          }\n          break;\n        case NODE_TYPE_TEXT: /* Text Node */\n          addTextInterpolateDirective(directives, node.nodeValue);\n          break;\n        case NODE_TYPE_COMMENT: /* Comment */\n          if (!commentDirectivesEnabled) break;\n          collectCommentDirectives(node, directives, attrs, maxPriority, ignoreDirective);\n          break;\n      }\n\n      directives.sort(byPriority);\n      return directives;\n    }\n\n    function collectCommentDirectives(node, directives, attrs, maxPriority, ignoreDirective) {\n      // function created because of performance, try/catch disables\n      // the optimization of the whole function #14848\n      try {\n        var match = COMMENT_DIRECTIVE_REGEXP.exec(node.nodeValue);\n        if (match) {\n          var nName = directiveNormalize(match[1]);\n          if (addDirective(directives, nName, 'M', maxPriority, ignoreDirective)) {\n            attrs[nName] = trim(match[2]);\n          }\n        }\n      } catch (e) {\n        // turns out that under some circumstances IE9 throws errors when one attempts to read\n        // comment's node value.\n        // Just ignore it and continue. (Can't seem to reproduce in test case.)\n      }\n    }\n\n    /**\n     * Given a node with a directive-start it collects all of the siblings until it finds\n     * directive-end.\n     * @param node\n     * @param attrStart\n     * @param attrEnd\n     * @returns {*}\n     */\n    function groupScan(node, attrStart, attrEnd) {\n      var nodes = [];\n      var depth = 0;\n      if (attrStart && node.hasAttribute && node.hasAttribute(attrStart)) {\n        do {\n          if (!node) {\n            throw $compileMinErr('uterdir',\n                      'Unterminated attribute, found \\'{0}\\' but no matching \\'{1}\\' found.',\n                      attrStart, attrEnd);\n          }\n          if (node.nodeType === NODE_TYPE_ELEMENT) {\n            if (node.hasAttribute(attrStart)) depth++;\n            if (node.hasAttribute(attrEnd)) depth--;\n          }\n          nodes.push(node);\n          node = node.nextSibling;\n        } while (depth > 0);\n      } else {\n        nodes.push(node);\n      }\n\n      return jqLite(nodes);\n    }\n\n    /**\n     * Wrapper for linking function which converts normal linking function into a grouped\n     * linking function.\n     * @param linkFn\n     * @param attrStart\n     * @param attrEnd\n     * @returns {Function}\n     */\n    function groupElementsLinkFnWrapper(linkFn, attrStart, attrEnd) {\n      return function groupedElementsLink(scope, element, attrs, controllers, transcludeFn) {\n        element = groupScan(element[0], attrStart, attrEnd);\n        return linkFn(scope, element, attrs, controllers, transcludeFn);\n      };\n    }\n\n    /**\n     * A function generator that is used to support both eager and lazy compilation\n     * linking function.\n     * @param eager\n     * @param $compileNodes\n     * @param transcludeFn\n     * @param maxPriority\n     * @param ignoreDirective\n     * @param previousCompileContext\n     * @returns {Function}\n     */\n    function compilationGenerator(eager, $compileNodes, transcludeFn, maxPriority, ignoreDirective, previousCompileContext) {\n      var compiled;\n\n      if (eager) {\n        return compile($compileNodes, transcludeFn, maxPriority, ignoreDirective, previousCompileContext);\n      }\n      return /** @this */ function lazyCompilation() {\n        if (!compiled) {\n          compiled = compile($compileNodes, transcludeFn, maxPriority, ignoreDirective, previousCompileContext);\n\n          // Null out all of these references in order to make them eligible for garbage collection\n          // since this is a potentially long lived closure\n          $compileNodes = transcludeFn = previousCompileContext = null;\n        }\n        return compiled.apply(this, arguments);\n      };\n    }\n\n    /**\n     * Once the directives have been collected, their compile functions are executed. This method\n     * is responsible for inlining directive templates as well as terminating the application\n     * of the directives if the terminal directive has been reached.\n     *\n     * @param {Array} directives Array of collected directives to execute their compile function.\n     *        this needs to be pre-sorted by priority order.\n     * @param {Node} compileNode The raw DOM node to apply the compile functions to\n     * @param {Object} templateAttrs The shared attribute function\n     * @param {function(angular.Scope, cloneAttachFn=)} transcludeFn A linking function, where the\n     *                                                  scope argument is auto-generated to the new\n     *                                                  child of the transcluded parent scope.\n     * @param {JQLite} jqCollection If we are working on the root of the compile tree then this\n     *                              argument has the root jqLite array so that we can replace nodes\n     *                              on it.\n     * @param {Object=} originalReplaceDirective An optional directive that will be ignored when\n     *                                           compiling the transclusion.\n     * @param {Array.<Function>} preLinkFns\n     * @param {Array.<Function>} postLinkFns\n     * @param {Object} previousCompileContext Context used for previous compilation of the current\n     *                                        node\n     * @returns {Function} linkFn\n     */\n    function applyDirectivesToNode(directives, compileNode, templateAttrs, transcludeFn,\n                                   jqCollection, originalReplaceDirective, preLinkFns, postLinkFns,\n                                   previousCompileContext) {\n      previousCompileContext = previousCompileContext || {};\n\n      var terminalPriority = -Number.MAX_VALUE,\n          newScopeDirective = previousCompileContext.newScopeDirective,\n          controllerDirectives = previousCompileContext.controllerDirectives,\n          newIsolateScopeDirective = previousCompileContext.newIsolateScopeDirective,\n          templateDirective = previousCompileContext.templateDirective,\n          nonTlbTranscludeDirective = previousCompileContext.nonTlbTranscludeDirective,\n          hasTranscludeDirective = false,\n          hasTemplate = false,\n          hasElementTranscludeDirective = previousCompileContext.hasElementTranscludeDirective,\n          $compileNode = templateAttrs.$$element = jqLite(compileNode),\n          directive,\n          directiveName,\n          $template,\n          replaceDirective = originalReplaceDirective,\n          childTranscludeFn = transcludeFn,\n          linkFn,\n          didScanForMultipleTransclusion = false,\n          mightHaveMultipleTransclusionError = false,\n          directiveValue;\n\n      // executes all directives on the current element\n      for (var i = 0, ii = directives.length; i < ii; i++) {\n        directive = directives[i];\n        var attrStart = directive.$$start;\n        var attrEnd = directive.$$end;\n\n        // collect multiblock sections\n        if (attrStart) {\n          $compileNode = groupScan(compileNode, attrStart, attrEnd);\n        }\n        $template = undefined;\n\n        if (terminalPriority > directive.priority) {\n          break; // prevent further processing of directives\n        }\n\n        directiveValue = directive.scope;\n\n        if (directiveValue) {\n\n          // skip the check for directives with async templates, we'll check the derived sync\n          // directive when the template arrives\n          if (!directive.templateUrl) {\n            if (isObject(directiveValue)) {\n              // This directive is trying to add an isolated scope.\n              // Check that there is no scope of any kind already\n              assertNoDuplicate('new/isolated scope', newIsolateScopeDirective || newScopeDirective,\n                                directive, $compileNode);\n              newIsolateScopeDirective = directive;\n            } else {\n              // This directive is trying to add a child scope.\n              // Check that there is no isolated scope already\n              assertNoDuplicate('new/isolated scope', newIsolateScopeDirective, directive,\n                                $compileNode);\n            }\n          }\n\n          newScopeDirective = newScopeDirective || directive;\n        }\n\n        directiveName = directive.name;\n\n        // If we encounter a condition that can result in transclusion on the directive,\n        // then scan ahead in the remaining directives for others that may cause a multiple\n        // transclusion error to be thrown during the compilation process.  If a matching directive\n        // is found, then we know that when we encounter a transcluded directive, we need to eagerly\n        // compile the `transclude` function rather than doing it lazily in order to throw\n        // exceptions at the correct time\n        if (!didScanForMultipleTransclusion && ((directive.replace && (directive.templateUrl || directive.template))\n            || (directive.transclude && !directive.$$tlb))) {\n                var candidateDirective;\n\n                for (var scanningIndex = i + 1; (candidateDirective = directives[scanningIndex++]);) {\n                    if ((candidateDirective.transclude && !candidateDirective.$$tlb)\n                        || (candidateDirective.replace && (candidateDirective.templateUrl || candidateDirective.template))) {\n                        mightHaveMultipleTransclusionError = true;\n                        break;\n                    }\n                }\n\n                didScanForMultipleTransclusion = true;\n        }\n\n        if (!directive.templateUrl && directive.controller) {\n          controllerDirectives = controllerDirectives || createMap();\n          assertNoDuplicate('\\'' + directiveName + '\\' controller',\n              controllerDirectives[directiveName], directive, $compileNode);\n          controllerDirectives[directiveName] = directive;\n        }\n\n        directiveValue = directive.transclude;\n\n        if (directiveValue) {\n          hasTranscludeDirective = true;\n\n          // Special case ngIf and ngRepeat so that we don't complain about duplicate transclusion.\n          // This option should only be used by directives that know how to safely handle element transclusion,\n          // where the transcluded nodes are added or replaced after linking.\n          if (!directive.$$tlb) {\n            assertNoDuplicate('transclusion', nonTlbTranscludeDirective, directive, $compileNode);\n            nonTlbTranscludeDirective = directive;\n          }\n\n          if (directiveValue === 'element') {\n            hasElementTranscludeDirective = true;\n            terminalPriority = directive.priority;\n            $template = $compileNode;\n            $compileNode = templateAttrs.$$element =\n                jqLite(compile.$$createComment(directiveName, templateAttrs[directiveName]));\n            compileNode = $compileNode[0];\n            replaceWith(jqCollection, sliceArgs($template), compileNode);\n\n            childTranscludeFn = compilationGenerator(mightHaveMultipleTransclusionError, $template, transcludeFn, terminalPriority,\n                                        replaceDirective && replaceDirective.name, {\n                                          // Don't pass in:\n                                          // - controllerDirectives - otherwise we'll create duplicates controllers\n                                          // - newIsolateScopeDirective or templateDirective - combining templates with\n                                          //   element transclusion doesn't make sense.\n                                          //\n                                          // We need only nonTlbTranscludeDirective so that we prevent putting transclusion\n                                          // on the same element more than once.\n                                          nonTlbTranscludeDirective: nonTlbTranscludeDirective\n                                        });\n          } else {\n\n            var slots = createMap();\n\n            if (!isObject(directiveValue)) {\n              $template = jqLite(jqLiteClone(compileNode)).contents();\n            } else {\n\n              // We have transclusion slots,\n              // collect them up, compile them and store their transclusion functions\n              $template = window.document.createDocumentFragment();\n\n              var slotMap = createMap();\n              var filledSlots = createMap();\n\n              // Parse the element selectors\n              forEach(directiveValue, function(elementSelector, slotName) {\n                // If an element selector starts with a ? then it is optional\n                var optional = (elementSelector.charAt(0) === '?');\n                elementSelector = optional ? elementSelector.substring(1) : elementSelector;\n\n                slotMap[elementSelector] = slotName;\n\n                // We explicitly assign `null` since this implies that a slot was defined but not filled.\n                // Later when calling boundTransclusion functions with a slot name we only error if the\n                // slot is `undefined`\n                slots[slotName] = null;\n\n                // filledSlots contains `true` for all slots that are either optional or have been\n                // filled. This is used to check that we have not missed any required slots\n                filledSlots[slotName] = optional;\n              });\n\n              // Add the matching elements into their slot\n              forEach($compileNode.contents(), function(node) {\n                var slotName = slotMap[directiveNormalize(nodeName_(node))];\n                if (slotName) {\n                  filledSlots[slotName] = true;\n                  slots[slotName] = slots[slotName] || window.document.createDocumentFragment();\n                  slots[slotName].appendChild(node);\n                } else {\n                  $template.appendChild(node);\n                }\n              });\n\n              // Check for required slots that were not filled\n              forEach(filledSlots, function(filled, slotName) {\n                if (!filled) {\n                  throw $compileMinErr('reqslot', 'Required transclusion slot `{0}` was not filled.', slotName);\n                }\n              });\n\n              for (var slotName in slots) {\n                if (slots[slotName]) {\n                  // Only define a transclusion function if the slot was filled\n                  var slotCompileNodes = jqLite(slots[slotName].childNodes);\n                  slots[slotName] = compilationGenerator(mightHaveMultipleTransclusionError, slotCompileNodes, transcludeFn);\n                }\n              }\n\n              $template = jqLite($template.childNodes);\n            }\n\n            $compileNode.empty(); // clear contents\n            childTranscludeFn = compilationGenerator(mightHaveMultipleTransclusionError, $template, transcludeFn, undefined,\n                undefined, { needsNewScope: directive.$$isolateScope || directive.$$newScope});\n            childTranscludeFn.$$slots = slots;\n          }\n        }\n\n        if (directive.template) {\n          hasTemplate = true;\n          assertNoDuplicate('template', templateDirective, directive, $compileNode);\n          templateDirective = directive;\n\n          directiveValue = (isFunction(directive.template))\n              ? directive.template($compileNode, templateAttrs)\n              : directive.template;\n\n          directiveValue = denormalizeTemplate(directiveValue);\n\n          if (directive.replace) {\n            replaceDirective = directive;\n            if (jqLiteIsTextNode(directiveValue)) {\n              $template = [];\n            } else {\n              $template = removeComments(wrapTemplate(directive.templateNamespace, trim(directiveValue)));\n            }\n            compileNode = $template[0];\n\n            if ($template.length !== 1 || compileNode.nodeType !== NODE_TYPE_ELEMENT) {\n              throw $compileMinErr('tplrt',\n                  'Template for directive \\'{0}\\' must have exactly one root element. {1}',\n                  directiveName, '');\n            }\n\n            replaceWith(jqCollection, $compileNode, compileNode);\n\n            var newTemplateAttrs = {$attr: {}};\n\n            // combine directives from the original node and from the template:\n            // - take the array of directives for this element\n            // - split it into two parts, those that already applied (processed) and those that weren't (unprocessed)\n            // - collect directives from the template and sort them by priority\n            // - combine directives as: processed + template + unprocessed\n            var templateDirectives = collectDirectives(compileNode, [], newTemplateAttrs);\n            var unprocessedDirectives = directives.splice(i + 1, directives.length - (i + 1));\n\n            if (newIsolateScopeDirective || newScopeDirective) {\n              // The original directive caused the current element to be replaced but this element\n              // also needs to have a new scope, so we need to tell the template directives\n              // that they would need to get their scope from further up, if they require transclusion\n              markDirectiveScope(templateDirectives, newIsolateScopeDirective, newScopeDirective);\n            }\n            directives = directives.concat(templateDirectives).concat(unprocessedDirectives);\n            mergeTemplateAttributes(templateAttrs, newTemplateAttrs);\n\n            ii = directives.length;\n          } else {\n            $compileNode.html(directiveValue);\n          }\n        }\n\n        if (directive.templateUrl) {\n          hasTemplate = true;\n          assertNoDuplicate('template', templateDirective, directive, $compileNode);\n          templateDirective = directive;\n\n          if (directive.replace) {\n            replaceDirective = directive;\n          }\n\n          // eslint-disable-next-line no-func-assign\n          nodeLinkFn = compileTemplateUrl(directives.splice(i, directives.length - i), $compileNode,\n              templateAttrs, jqCollection, hasTranscludeDirective && childTranscludeFn, preLinkFns, postLinkFns, {\n                controllerDirectives: controllerDirectives,\n                newScopeDirective: (newScopeDirective !== directive) && newScopeDirective,\n                newIsolateScopeDirective: newIsolateScopeDirective,\n                templateDirective: templateDirective,\n                nonTlbTranscludeDirective: nonTlbTranscludeDirective\n              });\n          ii = directives.length;\n        } else if (directive.compile) {\n          try {\n            linkFn = directive.compile($compileNode, templateAttrs, childTranscludeFn);\n            var context = directive.$$originalDirective || directive;\n            if (isFunction(linkFn)) {\n              addLinkFns(null, bind(context, linkFn), attrStart, attrEnd);\n            } else if (linkFn) {\n              addLinkFns(bind(context, linkFn.pre), bind(context, linkFn.post), attrStart, attrEnd);\n            }\n          } catch (e) {\n            $exceptionHandler(e, startingTag($compileNode));\n          }\n        }\n\n        if (directive.terminal) {\n          nodeLinkFn.terminal = true;\n          terminalPriority = Math.max(terminalPriority, directive.priority);\n        }\n\n      }\n\n      nodeLinkFn.scope = newScopeDirective && newScopeDirective.scope === true;\n      nodeLinkFn.transcludeOnThisElement = hasTranscludeDirective;\n      nodeLinkFn.templateOnThisElement = hasTemplate;\n      nodeLinkFn.transclude = childTranscludeFn;\n\n      previousCompileContext.hasElementTranscludeDirective = hasElementTranscludeDirective;\n\n      // might be normal or delayed nodeLinkFn depending on if templateUrl is present\n      return nodeLinkFn;\n\n      ////////////////////\n\n      function addLinkFns(pre, post, attrStart, attrEnd) {\n        if (pre) {\n          if (attrStart) pre = groupElementsLinkFnWrapper(pre, attrStart, attrEnd);\n          pre.require = directive.require;\n          pre.directiveName = directiveName;\n          if (newIsolateScopeDirective === directive || directive.$$isolateScope) {\n            pre = cloneAndAnnotateFn(pre, {isolateScope: true});\n          }\n          preLinkFns.push(pre);\n        }\n        if (post) {\n          if (attrStart) post = groupElementsLinkFnWrapper(post, attrStart, attrEnd);\n          post.require = directive.require;\n          post.directiveName = directiveName;\n          if (newIsolateScopeDirective === directive || directive.$$isolateScope) {\n            post = cloneAndAnnotateFn(post, {isolateScope: true});\n          }\n          postLinkFns.push(post);\n        }\n      }\n\n      function nodeLinkFn(childLinkFn, scope, linkNode, $rootElement, boundTranscludeFn) {\n        var i, ii, linkFn, isolateScope, controllerScope, elementControllers, transcludeFn, $element,\n            attrs, scopeBindingInfo;\n\n        if (compileNode === linkNode) {\n          attrs = templateAttrs;\n          $element = templateAttrs.$$element;\n        } else {\n          $element = jqLite(linkNode);\n          attrs = new Attributes($element, templateAttrs);\n        }\n\n        controllerScope = scope;\n        if (newIsolateScopeDirective) {\n          isolateScope = scope.$new(true);\n        } else if (newScopeDirective) {\n          controllerScope = scope.$parent;\n        }\n\n        if (boundTranscludeFn) {\n          // track `boundTranscludeFn` so it can be unwrapped if `transcludeFn`\n          // is later passed as `parentBoundTranscludeFn` to `publicLinkFn`\n          transcludeFn = controllersBoundTransclude;\n          transcludeFn.$$boundTransclude = boundTranscludeFn;\n          // expose the slots on the `$transclude` function\n          transcludeFn.isSlotFilled = function(slotName) {\n            return !!boundTranscludeFn.$$slots[slotName];\n          };\n        }\n\n        if (controllerDirectives) {\n          elementControllers = setupControllers($element, attrs, transcludeFn, controllerDirectives, isolateScope, scope, newIsolateScopeDirective);\n        }\n\n        if (newIsolateScopeDirective) {\n          // Initialize isolate scope bindings for new isolate scope directive.\n          compile.$$addScopeInfo($element, isolateScope, true, !(templateDirective && (templateDirective === newIsolateScopeDirective ||\n              templateDirective === newIsolateScopeDirective.$$originalDirective)));\n          compile.$$addScopeClass($element, true);\n          isolateScope.$$isolateBindings =\n              newIsolateScopeDirective.$$isolateBindings;\n          scopeBindingInfo = initializeDirectiveBindings(scope, attrs, isolateScope,\n                                        isolateScope.$$isolateBindings,\n                                        newIsolateScopeDirective);\n          if (scopeBindingInfo.removeWatches) {\n            isolateScope.$on('$destroy', scopeBindingInfo.removeWatches);\n          }\n        }\n\n        // Initialize bindToController bindings\n        for (var name in elementControllers) {\n          var controllerDirective = controllerDirectives[name];\n          var controller = elementControllers[name];\n          var bindings = controllerDirective.$$bindings.bindToController;\n\n          controller.instance = controller();\n          $element.data('$' + controllerDirective.name + 'Controller', controller.instance);\n          controller.bindingInfo =\n            initializeDirectiveBindings(controllerScope, attrs, controller.instance, bindings, controllerDirective);\n          }\n\n        // Bind the required controllers to the controller, if `require` is an object and `bindToController` is truthy\n        forEach(controllerDirectives, function(controllerDirective, name) {\n          var require = controllerDirective.require;\n          if (controllerDirective.bindToController && !isArray(require) && isObject(require)) {\n            extend(elementControllers[name].instance, getControllers(name, require, $element, elementControllers));\n          }\n        });\n\n        // Handle the init and destroy lifecycle hooks on all controllers that have them\n        forEach(elementControllers, function(controller) {\n          var controllerInstance = controller.instance;\n          if (isFunction(controllerInstance.$onChanges)) {\n            try {\n              controllerInstance.$onChanges(controller.bindingInfo.initialChanges);\n            } catch (e) {\n              $exceptionHandler(e);\n            }\n          }\n          if (isFunction(controllerInstance.$onInit)) {\n            try {\n              controllerInstance.$onInit();\n            } catch (e) {\n              $exceptionHandler(e);\n            }\n          }\n          if (isFunction(controllerInstance.$doCheck)) {\n            controllerScope.$watch(function() { controllerInstance.$doCheck(); });\n            controllerInstance.$doCheck();\n          }\n          if (isFunction(controllerInstance.$onDestroy)) {\n            controllerScope.$on('$destroy', function callOnDestroyHook() {\n              controllerInstance.$onDestroy();\n            });\n          }\n        });\n\n        // PRELINKING\n        for (i = 0, ii = preLinkFns.length; i < ii; i++) {\n          linkFn = preLinkFns[i];\n          invokeLinkFn(linkFn,\n              linkFn.isolateScope ? isolateScope : scope,\n              $element,\n              attrs,\n              linkFn.require && getControllers(linkFn.directiveName, linkFn.require, $element, elementControllers),\n              transcludeFn\n          );\n        }\n\n        // RECURSION\n        // We only pass the isolate scope, if the isolate directive has a template,\n        // otherwise the child elements do not belong to the isolate directive.\n        var scopeToChild = scope;\n        if (newIsolateScopeDirective && (newIsolateScopeDirective.template || newIsolateScopeDirective.templateUrl === null)) {\n          scopeToChild = isolateScope;\n        }\n        if (childLinkFn) {\n          childLinkFn(scopeToChild, linkNode.childNodes, undefined, boundTranscludeFn);\n        }\n\n        // POSTLINKING\n        for (i = postLinkFns.length - 1; i >= 0; i--) {\n          linkFn = postLinkFns[i];\n          invokeLinkFn(linkFn,\n              linkFn.isolateScope ? isolateScope : scope,\n              $element,\n              attrs,\n              linkFn.require && getControllers(linkFn.directiveName, linkFn.require, $element, elementControllers),\n              transcludeFn\n          );\n        }\n\n        // Trigger $postLink lifecycle hooks\n        forEach(elementControllers, function(controller) {\n          var controllerInstance = controller.instance;\n          if (isFunction(controllerInstance.$postLink)) {\n            controllerInstance.$postLink();\n          }\n        });\n\n        // This is the function that is injected as `$transclude`.\n        // Note: all arguments are optional!\n        function controllersBoundTransclude(scope, cloneAttachFn, futureParentElement, slotName) {\n          var transcludeControllers;\n          // No scope passed in:\n          if (!isScope(scope)) {\n            slotName = futureParentElement;\n            futureParentElement = cloneAttachFn;\n            cloneAttachFn = scope;\n            scope = undefined;\n          }\n\n          if (hasElementTranscludeDirective) {\n            transcludeControllers = elementControllers;\n          }\n          if (!futureParentElement) {\n            futureParentElement = hasElementTranscludeDirective ? $element.parent() : $element;\n          }\n          if (slotName) {\n            // slotTranscludeFn can be one of three things:\n            //  * a transclude function - a filled slot\n            //  * `null` - an optional slot that was not filled\n            //  * `undefined` - a slot that was not declared (i.e. invalid)\n            var slotTranscludeFn = boundTranscludeFn.$$slots[slotName];\n            if (slotTranscludeFn) {\n              return slotTranscludeFn(scope, cloneAttachFn, transcludeControllers, futureParentElement, scopeToChild);\n            } else if (isUndefined(slotTranscludeFn)) {\n              throw $compileMinErr('noslot',\n               'No parent directive that requires a transclusion with slot name \"{0}\". ' +\n               'Element: {1}',\n               slotName, startingTag($element));\n            }\n          } else {\n            return boundTranscludeFn(scope, cloneAttachFn, transcludeControllers, futureParentElement, scopeToChild);\n          }\n        }\n      }\n    }\n\n    function getControllers(directiveName, require, $element, elementControllers) {\n      var value;\n\n      if (isString(require)) {\n        var match = require.match(REQUIRE_PREFIX_REGEXP);\n        var name = require.substring(match[0].length);\n        var inheritType = match[1] || match[3];\n        var optional = match[2] === '?';\n\n        //If only parents then start at the parent element\n        if (inheritType === '^^') {\n          $element = $element.parent();\n        //Otherwise attempt getting the controller from elementControllers in case\n        //the element is transcluded (and has no data) and to avoid .data if possible\n        } else {\n          value = elementControllers && elementControllers[name];\n          value = value && value.instance;\n        }\n\n        if (!value) {\n          var dataName = '$' + name + 'Controller';\n\n          if (inheritType === '^^' && $element[0] && $element[0].nodeType === NODE_TYPE_DOCUMENT) {\n            // inheritedData() uses the documentElement when it finds the document, so we would\n            // require from the element itself.\n            value = null;\n          } else {\n            value = inheritType ? $element.inheritedData(dataName) : $element.data(dataName);\n          }\n        }\n\n        if (!value && !optional) {\n          throw $compileMinErr('ctreq',\n              'Controller \\'{0}\\', required by directive \\'{1}\\', can\\'t be found!',\n              name, directiveName);\n        }\n      } else if (isArray(require)) {\n        value = [];\n        for (var i = 0, ii = require.length; i < ii; i++) {\n          value[i] = getControllers(directiveName, require[i], $element, elementControllers);\n        }\n      } else if (isObject(require)) {\n        value = {};\n        forEach(require, function(controller, property) {\n          value[property] = getControllers(directiveName, controller, $element, elementControllers);\n        });\n      }\n\n      return value || null;\n    }\n\n    function setupControllers($element, attrs, transcludeFn, controllerDirectives, isolateScope, scope, newIsolateScopeDirective) {\n      var elementControllers = createMap();\n      for (var controllerKey in controllerDirectives) {\n        var directive = controllerDirectives[controllerKey];\n        var locals = {\n          $scope: directive === newIsolateScopeDirective || directive.$$isolateScope ? isolateScope : scope,\n          $element: $element,\n          $attrs: attrs,\n          $transclude: transcludeFn\n        };\n\n        var controller = directive.controller;\n        if (controller === '@') {\n          controller = attrs[directive.name];\n        }\n\n        var controllerInstance = $controller(controller, locals, true, directive.controllerAs);\n\n        // For directives with element transclusion the element is a comment.\n        // In this case .data will not attach any data.\n        // Instead, we save the controllers for the element in a local hash and attach to .data\n        // later, once we have the actual element.\n        elementControllers[directive.name] = controllerInstance;\n        $element.data('$' + directive.name + 'Controller', controllerInstance.instance);\n      }\n      return elementControllers;\n    }\n\n    // Depending upon the context in which a directive finds itself it might need to have a new isolated\n    // or child scope created. For instance:\n    // * if the directive has been pulled into a template because another directive with a higher priority\n    // asked for element transclusion\n    // * if the directive itself asks for transclusion but it is at the root of a template and the original\n    // element was replaced. See https://github.com/angular/angular.js/issues/12936\n    function markDirectiveScope(directives, isolateScope, newScope) {\n      for (var j = 0, jj = directives.length; j < jj; j++) {\n        directives[j] = inherit(directives[j], {$$isolateScope: isolateScope, $$newScope: newScope});\n      }\n    }\n\n    /**\n     * looks up the directive and decorates it with exception handling and proper parameters. We\n     * call this the boundDirective.\n     *\n     * @param {string} name name of the directive to look up.\n     * @param {string} location The directive must be found in specific format.\n     *   String containing any of theses characters:\n     *\n     *   * `E`: element name\n     *   * `A': attribute\n     *   * `C`: class\n     *   * `M`: comment\n     * @returns {boolean} true if directive was added.\n     */\n    function addDirective(tDirectives, name, location, maxPriority, ignoreDirective, startAttrName,\n                          endAttrName) {\n      if (name === ignoreDirective) return null;\n      var match = null;\n      if (hasDirectives.hasOwnProperty(name)) {\n        for (var directive, directives = $injector.get(name + Suffix),\n            i = 0, ii = directives.length; i < ii; i++) {\n          directive = directives[i];\n          if ((isUndefined(maxPriority) || maxPriority > directive.priority) &&\n               directive.restrict.indexOf(location) !== -1) {\n            if (startAttrName) {\n              directive = inherit(directive, {$$start: startAttrName, $$end: endAttrName});\n            }\n            if (!directive.$$bindings) {\n              var bindings = directive.$$bindings =\n                  parseDirectiveBindings(directive, directive.name);\n              if (isObject(bindings.isolateScope)) {\n                directive.$$isolateBindings = bindings.isolateScope;\n              }\n            }\n            tDirectives.push(directive);\n            match = directive;\n          }\n        }\n      }\n      return match;\n    }\n\n\n    /**\n     * looks up the directive and returns true if it is a multi-element directive,\n     * and therefore requires DOM nodes between -start and -end markers to be grouped\n     * together.\n     *\n     * @param {string} name name of the directive to look up.\n     * @returns true if directive was registered as multi-element.\n     */\n    function directiveIsMultiElement(name) {\n      if (hasDirectives.hasOwnProperty(name)) {\n        for (var directive, directives = $injector.get(name + Suffix),\n            i = 0, ii = directives.length; i < ii; i++) {\n          directive = directives[i];\n          if (directive.multiElement) {\n            return true;\n          }\n        }\n      }\n      return false;\n    }\n\n    /**\n     * When the element is replaced with HTML template then the new attributes\n     * on the template need to be merged with the existing attributes in the DOM.\n     * The desired effect is to have both of the attributes present.\n     *\n     * @param {object} dst destination attributes (original DOM)\n     * @param {object} src source attributes (from the directive template)\n     */\n    function mergeTemplateAttributes(dst, src) {\n      var srcAttr = src.$attr,\n          dstAttr = dst.$attr;\n\n      // reapply the old attributes to the new element\n      forEach(dst, function(value, key) {\n        if (key.charAt(0) !== '$') {\n          if (src[key] && src[key] !== value) {\n            if (value.length) {\n              value += (key === 'style' ? ';' : ' ') + src[key];\n            } else {\n              value = src[key];\n            }\n          }\n          dst.$set(key, value, true, srcAttr[key]);\n        }\n      });\n\n      // copy the new attributes on the old attrs object\n      forEach(src, function(value, key) {\n        // Check if we already set this attribute in the loop above.\n        // `dst` will never contain hasOwnProperty as DOM parser won't let it.\n        // You will get an \"InvalidCharacterError: DOM Exception 5\" error if you\n        // have an attribute like \"has-own-property\" or \"data-has-own-property\", etc.\n        if (!dst.hasOwnProperty(key) && key.charAt(0) !== '$') {\n          dst[key] = value;\n\n          if (key !== 'class' && key !== 'style') {\n            dstAttr[key] = srcAttr[key];\n          }\n        }\n      });\n    }\n\n\n    function compileTemplateUrl(directives, $compileNode, tAttrs,\n        $rootElement, childTranscludeFn, preLinkFns, postLinkFns, previousCompileContext) {\n      var linkQueue = [],\n          afterTemplateNodeLinkFn,\n          afterTemplateChildLinkFn,\n          beforeTemplateCompileNode = $compileNode[0],\n          origAsyncDirective = directives.shift(),\n          derivedSyncDirective = inherit(origAsyncDirective, {\n            templateUrl: null, transclude: null, replace: null, $$originalDirective: origAsyncDirective\n          }),\n          templateUrl = (isFunction(origAsyncDirective.templateUrl))\n              ? origAsyncDirective.templateUrl($compileNode, tAttrs)\n              : origAsyncDirective.templateUrl,\n          templateNamespace = origAsyncDirective.templateNamespace;\n\n      $compileNode.empty();\n\n      $templateRequest(templateUrl)\n        .then(function(content) {\n          var compileNode, tempTemplateAttrs, $template, childBoundTranscludeFn;\n\n          content = denormalizeTemplate(content);\n\n          if (origAsyncDirective.replace) {\n            if (jqLiteIsTextNode(content)) {\n              $template = [];\n            } else {\n              $template = removeComments(wrapTemplate(templateNamespace, trim(content)));\n            }\n            compileNode = $template[0];\n\n            if ($template.length !== 1 || compileNode.nodeType !== NODE_TYPE_ELEMENT) {\n              throw $compileMinErr('tplrt',\n                  'Template for directive \\'{0}\\' must have exactly one root element. {1}',\n                  origAsyncDirective.name, templateUrl);\n            }\n\n            tempTemplateAttrs = {$attr: {}};\n            replaceWith($rootElement, $compileNode, compileNode);\n            var templateDirectives = collectDirectives(compileNode, [], tempTemplateAttrs);\n\n            if (isObject(origAsyncDirective.scope)) {\n              // the original directive that caused the template to be loaded async required\n              // an isolate scope\n              markDirectiveScope(templateDirectives, true);\n            }\n            directives = templateDirectives.concat(directives);\n            mergeTemplateAttributes(tAttrs, tempTemplateAttrs);\n          } else {\n            compileNode = beforeTemplateCompileNode;\n            $compileNode.html(content);\n          }\n\n          directives.unshift(derivedSyncDirective);\n\n          afterTemplateNodeLinkFn = applyDirectivesToNode(directives, compileNode, tAttrs,\n              childTranscludeFn, $compileNode, origAsyncDirective, preLinkFns, postLinkFns,\n              previousCompileContext);\n          forEach($rootElement, function(node, i) {\n            if (node === compileNode) {\n              $rootElement[i] = $compileNode[0];\n            }\n          });\n          afterTemplateChildLinkFn = compileNodes($compileNode[0].childNodes, childTranscludeFn);\n\n          while (linkQueue.length) {\n            var scope = linkQueue.shift(),\n                beforeTemplateLinkNode = linkQueue.shift(),\n                linkRootElement = linkQueue.shift(),\n                boundTranscludeFn = linkQueue.shift(),\n                linkNode = $compileNode[0];\n\n            if (scope.$$destroyed) continue;\n\n            if (beforeTemplateLinkNode !== beforeTemplateCompileNode) {\n              var oldClasses = beforeTemplateLinkNode.className;\n\n              if (!(previousCompileContext.hasElementTranscludeDirective &&\n                  origAsyncDirective.replace)) {\n                // it was cloned therefore we have to clone as well.\n                linkNode = jqLiteClone(compileNode);\n              }\n              replaceWith(linkRootElement, jqLite(beforeTemplateLinkNode), linkNode);\n\n              // Copy in CSS classes from original node\n              safeAddClass(jqLite(linkNode), oldClasses);\n            }\n            if (afterTemplateNodeLinkFn.transcludeOnThisElement) {\n              childBoundTranscludeFn = createBoundTranscludeFn(scope, afterTemplateNodeLinkFn.transclude, boundTranscludeFn);\n            } else {\n              childBoundTranscludeFn = boundTranscludeFn;\n            }\n            afterTemplateNodeLinkFn(afterTemplateChildLinkFn, scope, linkNode, $rootElement,\n              childBoundTranscludeFn);\n          }\n          linkQueue = null;\n        }).catch(function(error) {\n          if (isError(error)) {\n            $exceptionHandler(error);\n          }\n        });\n\n      return function delayedNodeLinkFn(ignoreChildLinkFn, scope, node, rootElement, boundTranscludeFn) {\n        var childBoundTranscludeFn = boundTranscludeFn;\n        if (scope.$$destroyed) return;\n        if (linkQueue) {\n          linkQueue.push(scope,\n                         node,\n                         rootElement,\n                         childBoundTranscludeFn);\n        } else {\n          if (afterTemplateNodeLinkFn.transcludeOnThisElement) {\n            childBoundTranscludeFn = createBoundTranscludeFn(scope, afterTemplateNodeLinkFn.transclude, boundTranscludeFn);\n          }\n          afterTemplateNodeLinkFn(afterTemplateChildLinkFn, scope, node, rootElement, childBoundTranscludeFn);\n        }\n      };\n    }\n\n\n    /**\n     * Sorting function for bound directives.\n     */\n    function byPriority(a, b) {\n      var diff = b.priority - a.priority;\n      if (diff !== 0) return diff;\n      if (a.name !== b.name) return (a.name < b.name) ? -1 : 1;\n      return a.index - b.index;\n    }\n\n    function assertNoDuplicate(what, previousDirective, directive, element) {\n\n      function wrapModuleNameIfDefined(moduleName) {\n        return moduleName ?\n          (' (module: ' + moduleName + ')') :\n          '';\n      }\n\n      if (previousDirective) {\n        throw $compileMinErr('multidir', 'Multiple directives [{0}{1}, {2}{3}] asking for {4} on: {5}',\n            previousDirective.name, wrapModuleNameIfDefined(previousDirective.$$moduleName),\n            directive.name, wrapModuleNameIfDefined(directive.$$moduleName), what, startingTag(element));\n      }\n    }\n\n\n    function addTextInterpolateDirective(directives, text) {\n      var interpolateFn = $interpolate(text, true);\n      if (interpolateFn) {\n        directives.push({\n          priority: 0,\n          compile: function textInterpolateCompileFn(templateNode) {\n            var templateNodeParent = templateNode.parent(),\n                hasCompileParent = !!templateNodeParent.length;\n\n            // When transcluding a template that has bindings in the root\n            // we don't have a parent and thus need to add the class during linking fn.\n            if (hasCompileParent) compile.$$addBindingClass(templateNodeParent);\n\n            return function textInterpolateLinkFn(scope, node) {\n              var parent = node.parent();\n              if (!hasCompileParent) compile.$$addBindingClass(parent);\n              compile.$$addBindingInfo(parent, interpolateFn.expressions);\n              scope.$watch(interpolateFn, function interpolateFnWatchAction(value) {\n                node[0].nodeValue = value;\n              });\n            };\n          }\n        });\n      }\n    }\n\n\n    function wrapTemplate(type, template) {\n      type = lowercase(type || 'html');\n      switch (type) {\n      case 'svg':\n      case 'math':\n        var wrapper = window.document.createElement('div');\n        wrapper.innerHTML = '<' + type + '>' + template + '</' + type + '>';\n        return wrapper.childNodes[0].childNodes;\n      default:\n        return template;\n      }\n    }\n\n\n    function getTrustedAttrContext(nodeName, attrNormalizedName) {\n      if (attrNormalizedName === 'srcdoc') {\n        return $sce.HTML;\n      }\n      // All nodes with src attributes require a RESOURCE_URL value, except for\n      // img and various html5 media nodes, which require the MEDIA_URL context.\n      if (attrNormalizedName === 'src' || attrNormalizedName === 'ngSrc') {\n        if (['img', 'video', 'audio', 'source', 'track'].indexOf(nodeName) === -1) {\n          return $sce.RESOURCE_URL;\n        }\n        return $sce.MEDIA_URL;\n      } else if (attrNormalizedName === 'xlinkHref') {\n        // Some xlink:href are okay, most aren't\n        if (nodeName === 'image') return $sce.MEDIA_URL;\n        if (nodeName === 'a') return $sce.URL;\n        return $sce.RESOURCE_URL;\n      } else if (\n          // Formaction\n          (nodeName === 'form' && attrNormalizedName === 'action') ||\n          // If relative URLs can go where they are not expected to, then\n          // all sorts of trust issues can arise.\n          (nodeName === 'base' && attrNormalizedName === 'href') ||\n          // links can be stylesheets or imports, which can run script in the current origin\n          (nodeName === 'link' && attrNormalizedName === 'href')\n      ) {\n        return $sce.RESOURCE_URL;\n      } else if (nodeName === 'a' && (attrNormalizedName === 'href' ||\n                                 attrNormalizedName === 'ngHref')) {\n        return $sce.URL;\n      }\n    }\n\n    function getTrustedPropContext(nodeName, propNormalizedName) {\n      var prop = propNormalizedName.toLowerCase();\n      return PROP_CONTEXTS[nodeName + '|' + prop] || PROP_CONTEXTS['*|' + prop];\n    }\n\n    function sanitizeSrcsetPropertyValue(value) {\n      return sanitizeSrcset($sce.valueOf(value), 'ng-prop-srcset');\n    }\n    function addPropertyDirective(node, directives, attrName, propName) {\n      if (EVENT_HANDLER_ATTR_REGEXP.test(propName)) {\n        throw $compileMinErr('nodomevents', 'Property bindings for HTML DOM event properties are disallowed');\n      }\n\n      var nodeName = nodeName_(node);\n      var trustedContext = getTrustedPropContext(nodeName, propName);\n\n      var sanitizer = identity;\n      // Sanitize img[srcset] + source[srcset] values.\n      if (propName === 'srcset' && (nodeName === 'img' || nodeName === 'source')) {\n        sanitizer = sanitizeSrcsetPropertyValue;\n      } else if (trustedContext) {\n        sanitizer = $sce.getTrusted.bind($sce, trustedContext);\n      }\n\n      directives.push({\n        priority: 100,\n        compile: function ngPropCompileFn(_, attr) {\n          var ngPropGetter = $parse(attr[attrName]);\n          var ngPropWatch = $parse(attr[attrName], function sceValueOf(val) {\n            // Unwrap the value to compare the actual inner safe value, not the wrapper object.\n            return $sce.valueOf(val);\n          });\n\n          return {\n            pre: function ngPropPreLinkFn(scope, $element) {\n              function applyPropValue() {\n                var propValue = ngPropGetter(scope);\n                $element[0][propName] = sanitizer(propValue);\n              }\n\n              applyPropValue();\n              scope.$watch(ngPropWatch, applyPropValue);\n            }\n          };\n        }\n      });\n    }\n\n    function addEventDirective(directives, attrName, eventName) {\n      directives.push(\n        createEventDirective($parse, $rootScope, $exceptionHandler, attrName, eventName, /*forceAsync=*/false)\n      );\n    }\n\n    function addAttrInterpolateDirective(node, directives, value, name, isNgAttr) {\n      var nodeName = nodeName_(node);\n      var trustedContext = getTrustedAttrContext(nodeName, name);\n      var mustHaveExpression = !isNgAttr;\n      var allOrNothing = ALL_OR_NOTHING_ATTRS[name] || isNgAttr;\n\n      var interpolateFn = $interpolate(value, mustHaveExpression, trustedContext, allOrNothing);\n\n      // no interpolation found -> ignore\n      if (!interpolateFn) return;\n\n      if (name === 'multiple' && nodeName === 'select') {\n        throw $compileMinErr('selmulti',\n            'Binding to the \\'multiple\\' attribute is not supported. Element: {0}',\n            startingTag(node));\n      }\n\n      if (EVENT_HANDLER_ATTR_REGEXP.test(name)) {\n        throw $compileMinErr('nodomevents', 'Interpolations for HTML DOM event attributes are disallowed');\n      }\n\n      directives.push({\n        priority: 100,\n        compile: function() {\n            return {\n              pre: function attrInterpolatePreLinkFn(scope, element, attr) {\n                var $$observers = (attr.$$observers || (attr.$$observers = createMap()));\n\n                // If the attribute has changed since last $interpolate()ed\n                var newValue = attr[name];\n                if (newValue !== value) {\n                  // we need to interpolate again since the attribute value has been updated\n                  // (e.g. by another directive's compile function)\n                  // ensure unset/empty values make interpolateFn falsy\n                  interpolateFn = newValue && $interpolate(newValue, true, trustedContext, allOrNothing);\n                  value = newValue;\n                }\n\n                // if attribute was updated so that there is no interpolation going on we don't want to\n                // register any observers\n                if (!interpolateFn) return;\n\n                // initialize attr object so that it's ready in case we need the value for isolate\n                // scope initialization, otherwise the value would not be available from isolate\n                // directive's linking fn during linking phase\n                attr[name] = interpolateFn(scope);\n\n                ($$observers[name] || ($$observers[name] = [])).$$inter = true;\n                (attr.$$observers && attr.$$observers[name].$$scope || scope).\n                  $watch(interpolateFn, function interpolateFnWatchAction(newValue, oldValue) {\n                    //special case for class attribute addition + removal\n                    //so that class changes can tap into the animation\n                    //hooks provided by the $animate service. Be sure to\n                    //skip animations when the first digest occurs (when\n                    //both the new and the old values are the same) since\n                    //the CSS classes are the non-interpolated values\n                    if (name === 'class' && newValue !== oldValue) {\n                      attr.$updateClass(newValue, oldValue);\n                    } else {\n                      attr.$set(name, newValue);\n                    }\n                  });\n              }\n            };\n          }\n      });\n    }\n\n\n    /**\n     * This is a special jqLite.replaceWith, which can replace items which\n     * have no parents, provided that the containing jqLite collection is provided.\n     *\n     * @param {JqLite=} $rootElement The root of the compile tree. Used so that we can replace nodes\n     *                               in the root of the tree.\n     * @param {JqLite} elementsToRemove The jqLite element which we are going to replace. We keep\n     *                                  the shell, but replace its DOM node reference.\n     * @param {Node} newNode The new DOM node.\n     */\n    function replaceWith($rootElement, elementsToRemove, newNode) {\n      var firstElementToRemove = elementsToRemove[0],\n          removeCount = elementsToRemove.length,\n          parent = firstElementToRemove.parentNode,\n          i, ii;\n\n      if ($rootElement) {\n        for (i = 0, ii = $rootElement.length; i < ii; i++) {\n          if ($rootElement[i] === firstElementToRemove) {\n            $rootElement[i++] = newNode;\n            for (var j = i, j2 = j + removeCount - 1,\n                     jj = $rootElement.length;\n                 j < jj; j++, j2++) {\n              if (j2 < jj) {\n                $rootElement[j] = $rootElement[j2];\n              } else {\n                delete $rootElement[j];\n              }\n            }\n            $rootElement.length -= removeCount - 1;\n\n            // If the replaced element is also the jQuery .context then replace it\n            // .context is a deprecated jQuery api, so we should set it only when jQuery set it\n            // http://api.jquery.com/context/\n            if ($rootElement.context === firstElementToRemove) {\n              $rootElement.context = newNode;\n            }\n            break;\n          }\n        }\n      }\n\n      if (parent) {\n        parent.replaceChild(newNode, firstElementToRemove);\n      }\n\n      // Append all the `elementsToRemove` to a fragment. This will...\n      // - remove them from the DOM\n      // - allow them to still be traversed with .nextSibling\n      // - allow a single fragment.qSA to fetch all elements being removed\n      var fragment = window.document.createDocumentFragment();\n      for (i = 0; i < removeCount; i++) {\n        fragment.appendChild(elementsToRemove[i]);\n      }\n\n      if (jqLite.hasData(firstElementToRemove)) {\n        // Copy over user data (that includes AngularJS's $scope etc.). Don't copy private\n        // data here because there's no public interface in jQuery to do that and copying over\n        // event listeners (which is the main use of private data) wouldn't work anyway.\n        jqLite.data(newNode, jqLite.data(firstElementToRemove));\n\n        // Remove $destroy event listeners from `firstElementToRemove`\n        jqLite(firstElementToRemove).off('$destroy');\n      }\n\n      // Cleanup any data/listeners on the elements and children.\n      // This includes invoking the $destroy event on any elements with listeners.\n      jqLite.cleanData(fragment.querySelectorAll('*'));\n\n      // Update the jqLite collection to only contain the `newNode`\n      for (i = 1; i < removeCount; i++) {\n        delete elementsToRemove[i];\n      }\n      elementsToRemove[0] = newNode;\n      elementsToRemove.length = 1;\n    }\n\n\n    function cloneAndAnnotateFn(fn, annotation) {\n      return extend(function() { return fn.apply(null, arguments); }, fn, annotation);\n    }\n\n\n    function invokeLinkFn(linkFn, scope, $element, attrs, controllers, transcludeFn) {\n      try {\n        linkFn(scope, $element, attrs, controllers, transcludeFn);\n      } catch (e) {\n        $exceptionHandler(e, startingTag($element));\n      }\n    }\n\n    function strictBindingsCheck(attrName, directiveName) {\n      if (strictComponentBindingsEnabled) {\n        throw $compileMinErr('missingattr',\n          'Attribute \\'{0}\\' of \\'{1}\\' is non-optional and must be set!',\n          attrName, directiveName);\n      }\n    }\n\n    // Set up $watches for isolate scope and controller bindings.\n    function initializeDirectiveBindings(scope, attrs, destination, bindings, directive) {\n      var removeWatchCollection = [];\n      var initialChanges = {};\n      var changes;\n\n      forEach(bindings, function initializeBinding(definition, scopeName) {\n        var attrName = definition.attrName,\n        optional = definition.optional,\n        mode = definition.mode, // @, =, <, or &\n        lastValue,\n        parentGet, parentSet, compare, removeWatch;\n\n        switch (mode) {\n\n          case '@':\n            if (!optional && !hasOwnProperty.call(attrs, attrName)) {\n              strictBindingsCheck(attrName, directive.name);\n              destination[scopeName] = attrs[attrName] = undefined;\n\n            }\n            removeWatch = attrs.$observe(attrName, function(value) {\n              if (isString(value) || isBoolean(value)) {\n                var oldValue = destination[scopeName];\n                recordChanges(scopeName, value, oldValue);\n                destination[scopeName] = value;\n              }\n            });\n            attrs.$$observers[attrName].$$scope = scope;\n            lastValue = attrs[attrName];\n            if (isString(lastValue)) {\n              // If the attribute has been provided then we trigger an interpolation to ensure\n              // the value is there for use in the link fn\n              destination[scopeName] = $interpolate(lastValue)(scope);\n            } else if (isBoolean(lastValue)) {\n              // If the attributes is one of the BOOLEAN_ATTR then AngularJS will have converted\n              // the value to boolean rather than a string, so we special case this situation\n              destination[scopeName] = lastValue;\n            }\n            initialChanges[scopeName] = new SimpleChange(_UNINITIALIZED_VALUE, destination[scopeName]);\n            removeWatchCollection.push(removeWatch);\n            break;\n\n          case '=':\n            if (!hasOwnProperty.call(attrs, attrName)) {\n              if (optional) break;\n              strictBindingsCheck(attrName, directive.name);\n              attrs[attrName] = undefined;\n            }\n            if (optional && !attrs[attrName]) break;\n\n            parentGet = $parse(attrs[attrName]);\n            if (parentGet.literal) {\n              compare = equals;\n            } else {\n              compare = simpleCompare;\n            }\n            parentSet = parentGet.assign || function() {\n              // reset the change, or we will throw this exception on every $digest\n              lastValue = destination[scopeName] = parentGet(scope);\n              throw $compileMinErr('nonassign',\n                  'Expression \\'{0}\\' in attribute \\'{1}\\' used with directive \\'{2}\\' is non-assignable!',\n                  attrs[attrName], attrName, directive.name);\n            };\n            lastValue = destination[scopeName] = parentGet(scope);\n            var parentValueWatch = function parentValueWatch(parentValue) {\n              if (!compare(parentValue, destination[scopeName])) {\n                // we are out of sync and need to copy\n                if (!compare(parentValue, lastValue)) {\n                  // parent changed and it has precedence\n                  destination[scopeName] = parentValue;\n                } else {\n                  // if the parent can be assigned then do so\n                  parentSet(scope, parentValue = destination[scopeName]);\n                }\n              }\n              lastValue = parentValue;\n              return lastValue;\n            };\n            parentValueWatch.$stateful = true;\n            if (definition.collection) {\n              removeWatch = scope.$watchCollection(attrs[attrName], parentValueWatch);\n            } else {\n              removeWatch = scope.$watch($parse(attrs[attrName], parentValueWatch), null, parentGet.literal);\n            }\n            removeWatchCollection.push(removeWatch);\n            break;\n\n          case '<':\n            if (!hasOwnProperty.call(attrs, attrName)) {\n              if (optional) break;\n              strictBindingsCheck(attrName, directive.name);\n              attrs[attrName] = undefined;\n            }\n            if (optional && !attrs[attrName]) break;\n\n            parentGet = $parse(attrs[attrName]);\n            var isLiteral = parentGet.literal;\n\n            var initialValue = destination[scopeName] = parentGet(scope);\n            initialChanges[scopeName] = new SimpleChange(_UNINITIALIZED_VALUE, destination[scopeName]);\n\n            removeWatch = scope[definition.collection ? '$watchCollection' : '$watch'](parentGet, function parentValueWatchAction(newValue, oldValue) {\n              if (oldValue === newValue) {\n                if (oldValue === initialValue || (isLiteral && equals(oldValue, initialValue))) {\n                  return;\n                }\n                oldValue = initialValue;\n              }\n              recordChanges(scopeName, newValue, oldValue);\n              destination[scopeName] = newValue;\n            });\n\n            removeWatchCollection.push(removeWatch);\n            break;\n\n          case '&':\n            if (!optional && !hasOwnProperty.call(attrs, attrName)) {\n              strictBindingsCheck(attrName, directive.name);\n            }\n            // Don't assign Object.prototype method to scope\n            parentGet = attrs.hasOwnProperty(attrName) ? $parse(attrs[attrName]) : noop;\n\n            // Don't assign noop to destination if expression is not valid\n            if (parentGet === noop && optional) break;\n\n            destination[scopeName] = function(locals) {\n              return parentGet(scope, locals);\n            };\n            break;\n        }\n      });\n\n      function recordChanges(key, currentValue, previousValue) {\n        if (isFunction(destination.$onChanges) && !simpleCompare(currentValue, previousValue)) {\n          // If we have not already scheduled the top level onChangesQueue handler then do so now\n          if (!onChangesQueue) {\n            scope.$$postDigest(flushOnChangesQueue);\n            onChangesQueue = [];\n          }\n          // If we have not already queued a trigger of onChanges for this controller then do so now\n          if (!changes) {\n            changes = {};\n            onChangesQueue.push(triggerOnChangesHook);\n          }\n          // If the has been a change on this property already then we need to reuse the previous value\n          if (changes[key]) {\n            previousValue = changes[key].previousValue;\n          }\n          // Store this change\n          changes[key] = new SimpleChange(previousValue, currentValue);\n        }\n      }\n\n      function triggerOnChangesHook() {\n        destination.$onChanges(changes);\n        // Now clear the changes so that we schedule onChanges when more changes arrive\n        changes = undefined;\n      }\n\n      return {\n        initialChanges: initialChanges,\n        removeWatches: removeWatchCollection.length && function removeWatches() {\n          for (var i = 0, ii = removeWatchCollection.length; i < ii; ++i) {\n            removeWatchCollection[i]();\n          }\n        }\n      };\n    }\n  }];\n}\n\nfunction SimpleChange(previous, current) {\n  this.previousValue = previous;\n  this.currentValue = current;\n}\nSimpleChange.prototype.isFirstChange = function() { return this.previousValue === _UNINITIALIZED_VALUE; };\n\n\nvar PREFIX_REGEXP = /^((?:x|data)[:\\-_])/i;\nvar SPECIAL_CHARS_REGEXP = /[:\\-_]+(.)/g;\n\n/**\n * Converts all accepted directives format into proper directive name.\n * @param name Name to normalize\n */\nfunction directiveNormalize(name) {\n  return name\n    .replace(PREFIX_REGEXP, '')\n    .replace(SPECIAL_CHARS_REGEXP, function(_, letter, offset) {\n      return offset ? letter.toUpperCase() : letter;\n    });\n}\n\n/**\n * @ngdoc type\n * @name $compile.directive.Attributes\n *\n * @description\n * A shared object between directive compile / linking functions which contains normalized DOM\n * element attributes. The values reflect current binding state `{{ }}`. The normalization is\n * needed since all of these are treated as equivalent in AngularJS:\n *\n * ```\n *    <span ng:bind=\"a\" ng-bind=\"a\" data-ng-bind=\"a\" x-ng-bind=\"a\">\n * ```\n */\n\n/**\n * @ngdoc property\n * @name $compile.directive.Attributes#$attr\n *\n * @description\n * A map of DOM element attribute names to the normalized name. This is\n * needed to do reverse lookup from normalized name back to actual name.\n */\n\n\n/**\n * @ngdoc method\n * @name $compile.directive.Attributes#$set\n * @kind function\n *\n * @description\n * Set DOM element attribute value.\n *\n *\n * @param {string} name Normalized element attribute name of the property to modify. The name is\n *          reverse-translated using the {@link ng.$compile.directive.Attributes#$attr $attr}\n *          property to the original name.\n * @param {string} value Value to set the attribute to. The value can be an interpolated string.\n */\n\n\n\n/**\n * Closure compiler type information\n */\n\nfunction nodesetLinkingFn(\n  /* angular.Scope */ scope,\n  /* NodeList */ nodeList,\n  /* Element */ rootElement,\n  /* function(Function) */ boundTranscludeFn\n) {}\n\nfunction directiveLinkingFn(\n  /* nodesetLinkingFn */ nodesetLinkingFn,\n  /* angular.Scope */ scope,\n  /* Node */ node,\n  /* Element */ rootElement,\n  /* function(Function) */ boundTranscludeFn\n) {}\n\nfunction tokenDifference(str1, str2) {\n  var values = '',\n      tokens1 = str1.split(/\\s+/),\n      tokens2 = str2.split(/\\s+/);\n\n  outer:\n  for (var i = 0; i < tokens1.length; i++) {\n    var token = tokens1[i];\n    for (var j = 0; j < tokens2.length; j++) {\n      if (token === tokens2[j]) continue outer;\n    }\n    values += (values.length > 0 ? ' ' : '') + token;\n  }\n  return values;\n}\n\nfunction removeComments(jqNodes) {\n  jqNodes = jqLite(jqNodes);\n  var i = jqNodes.length;\n\n  if (i <= 1) {\n    return jqNodes;\n  }\n\n  while (i--) {\n    var node = jqNodes[i];\n    if (node.nodeType === NODE_TYPE_COMMENT ||\n       (node.nodeType === NODE_TYPE_TEXT && node.nodeValue.trim() === '')) {\n         splice.call(jqNodes, i, 1);\n    }\n  }\n  return jqNodes;\n}\n\nvar $controllerMinErr = minErr('$controller');\n\n\nvar CNTRL_REG = /^(\\S+)(\\s+as\\s+([\\w$]+))?$/;\nfunction identifierForController(controller, ident) {\n  if (ident && isString(ident)) return ident;\n  if (isString(controller)) {\n    var match = CNTRL_REG.exec(controller);\n    if (match) return match[3];\n  }\n}\n\n\n/**\n * @ngdoc provider\n * @name $controllerProvider\n * @this\n *\n * @description\n * The {@link ng.$controller $controller service} is used by AngularJS to create new\n * controllers.\n *\n * This provider allows controller registration via the\n * {@link ng.$controllerProvider#register register} method.\n */\nfunction $ControllerProvider() {\n  var controllers = {};\n\n  /**\n   * @ngdoc method\n   * @name $controllerProvider#has\n   * @param {string} name Controller name to check.\n   */\n  this.has = function(name) {\n    return controllers.hasOwnProperty(name);\n  };\n\n  /**\n   * @ngdoc method\n   * @name $controllerProvider#register\n   * @param {string|Object} name Controller name, or an object map of controllers where the keys are\n   *    the names and the values are the constructors.\n   * @param {Function|Array} constructor Controller constructor fn (optionally decorated with DI\n   *    annotations in the array notation).\n   */\n  this.register = function(name, constructor) {\n    assertNotHasOwnProperty(name, 'controller');\n    if (isObject(name)) {\n      extend(controllers, name);\n    } else {\n      controllers[name] = constructor;\n    }\n  };\n\n  this.$get = ['$injector', function($injector) {\n\n    /**\n     * @ngdoc service\n     * @name $controller\n     * @requires $injector\n     *\n     * @param {Function|string} constructor If called with a function then it's considered to be the\n     *    controller constructor function. Otherwise it's considered to be a string which is used\n     *    to retrieve the controller constructor using the following steps:\n     *\n     *    * check if a controller with given name is registered via `$controllerProvider`\n     *    * check if evaluating the string on the current scope returns a constructor\n     *\n     *    The string can use the `controller as property` syntax, where the controller instance is published\n     *    as the specified property on the `scope`; the `scope` must be injected into `locals` param for this\n     *    to work correctly.\n     *\n     * @param {Object} locals Injection locals for Controller.\n     * @return {Object} Instance of given controller.\n     *\n     * @description\n     * `$controller` service is responsible for instantiating controllers.\n     *\n     * It's just a simple call to {@link auto.$injector $injector}, but extracted into\n     * a service, so that one can override this service with [BC version](https://gist.github.com/1649788).\n     */\n    return function $controller(expression, locals, later, ident) {\n      // PRIVATE API:\n      //   param `later` --- indicates that the controller's constructor is invoked at a later time.\n      //                     If true, $controller will allocate the object with the correct\n      //                     prototype chain, but will not invoke the controller until a returned\n      //                     callback is invoked.\n      //   param `ident` --- An optional label which overrides the label parsed from the controller\n      //                     expression, if any.\n      var instance, match, constructor, identifier;\n      later = later === true;\n      if (ident && isString(ident)) {\n        identifier = ident;\n      }\n\n      if (isString(expression)) {\n        match = expression.match(CNTRL_REG);\n        if (!match) {\n          throw $controllerMinErr('ctrlfmt',\n            'Badly formed controller string \\'{0}\\'. ' +\n            'Must match `__name__ as __id__` or `__name__`.', expression);\n        }\n        constructor = match[1];\n        identifier = identifier || match[3];\n        expression = controllers.hasOwnProperty(constructor)\n            ? controllers[constructor]\n            : getter(locals.$scope, constructor, true);\n\n        if (!expression) {\n          throw $controllerMinErr('ctrlreg',\n            'The controller with the name \\'{0}\\' is not registered.', constructor);\n        }\n\n        assertArgFn(expression, constructor, true);\n      }\n\n      if (later) {\n        // Instantiate controller later:\n        // This machinery is used to create an instance of the object before calling the\n        // controller's constructor itself.\n        //\n        // This allows properties to be added to the controller before the constructor is\n        // invoked. Primarily, this is used for isolate scope bindings in $compile.\n        //\n        // This feature is not intended for use by applications, and is thus not documented\n        // publicly.\n        // Object creation: http://jsperf.com/create-constructor/2\n        var controllerPrototype = (isArray(expression) ?\n          expression[expression.length - 1] : expression).prototype;\n        instance = Object.create(controllerPrototype || null);\n\n        if (identifier) {\n          addIdentifier(locals, identifier, instance, constructor || expression.name);\n        }\n\n        return extend(function $controllerInit() {\n          var result = $injector.invoke(expression, instance, locals, constructor);\n          if (result !== instance && (isObject(result) || isFunction(result))) {\n            instance = result;\n            if (identifier) {\n              // If result changed, re-assign controllerAs value to scope.\n              addIdentifier(locals, identifier, instance, constructor || expression.name);\n            }\n          }\n          return instance;\n        }, {\n          instance: instance,\n          identifier: identifier\n        });\n      }\n\n      instance = $injector.instantiate(expression, locals, constructor);\n\n      if (identifier) {\n        addIdentifier(locals, identifier, instance, constructor || expression.name);\n      }\n\n      return instance;\n    };\n\n    function addIdentifier(locals, identifier, instance, name) {\n      if (!(locals && isObject(locals.$scope))) {\n        throw minErr('$controller')('noscp',\n          'Cannot export controller \\'{0}\\' as \\'{1}\\'! No $scope object provided via `locals`.',\n          name, identifier);\n      }\n\n      locals.$scope[identifier] = instance;\n    }\n  }];\n}\n\n/**\n * @ngdoc service\n * @name $document\n * @requires $window\n * @this\n *\n * @description\n * A {@link angular.element jQuery or jqLite} wrapper for the browser's `window.document` object.\n *\n * @example\n   <example module=\"documentExample\" name=\"document\">\n     <file name=\"index.html\">\n       <div ng-controller=\"ExampleController\">\n         <p>$document title: <b ng-bind=\"title\"></b></p>\n         <p>window.document title: <b ng-bind=\"windowTitle\"></b></p>\n       </div>\n     </file>\n     <file name=\"script.js\">\n       angular.module('documentExample', [])\n         .controller('ExampleController', ['$scope', '$document', function($scope, $document) {\n           $scope.title = $document[0].title;\n           $scope.windowTitle = angular.element(window.document)[0].title;\n         }]);\n     </file>\n   </example>\n */\nfunction $DocumentProvider() {\n  this.$get = ['$window', function(window) {\n    return jqLite(window.document);\n  }];\n}\n\n\n/**\n * @private\n * @this\n * Listens for document visibility change and makes the current status accessible.\n */\nfunction $$IsDocumentHiddenProvider() {\n  this.$get = ['$document', '$rootScope', function($document, $rootScope) {\n    var doc = $document[0];\n    var hidden = doc && doc.hidden;\n\n    $document.on('visibilitychange', changeListener);\n\n    $rootScope.$on('$destroy', function() {\n      $document.off('visibilitychange', changeListener);\n    });\n\n    function changeListener() {\n      hidden = doc.hidden;\n    }\n\n    return function() {\n      return hidden;\n    };\n  }];\n}\n\n/**\n * @ngdoc service\n * @name $exceptionHandler\n * @requires ng.$log\n * @this\n *\n * @description\n * Any uncaught exception in AngularJS expressions is delegated to this service.\n * The default implementation simply delegates to `$log.error` which logs it into\n * the browser console.\n *\n * In unit tests, if `angular-mocks.js` is loaded, this service is overridden by\n * {@link ngMock.$exceptionHandler mock $exceptionHandler} which aids in testing.\n *\n * ## Example:\n *\n * The example below will overwrite the default `$exceptionHandler` in order to (a) log uncaught\n * errors to the backend for later inspection by the developers and (b) to use `$log.warn()` instead\n * of `$log.error()`.\n *\n * ```js\n *   angular.\n *     module('exceptionOverwrite', []).\n *     factory('$exceptionHandler', ['$log', 'logErrorsToBackend', function($log, logErrorsToBackend) {\n *       return function myExceptionHandler(exception, cause) {\n *         logErrorsToBackend(exception, cause);\n *         $log.warn(exception, cause);\n *       };\n *     }]);\n * ```\n *\n * <hr />\n * Note, that code executed in event-listeners (even those registered using jqLite's `on`/`bind`\n * methods) does not delegate exceptions to the {@link ng.$exceptionHandler $exceptionHandler}\n * (unless executed during a digest).\n *\n * If you wish, you can manually delegate exceptions, e.g.\n * `try { ... } catch(e) { $exceptionHandler(e); }`\n *\n * @param {Error} exception Exception associated with the error.\n * @param {string=} cause Optional information about the context in which\n *       the error was thrown.\n *\n */\nfunction $ExceptionHandlerProvider() {\n  this.$get = ['$log', function($log) {\n    return function(exception, cause) {\n      $log.error.apply($log, arguments);\n    };\n  }];\n}\n\nvar $$ForceReflowProvider = /** @this */ function() {\n  this.$get = ['$document', function($document) {\n    return function(domNode) {\n      //the line below will force the browser to perform a repaint so\n      //that all the animated elements within the animation frame will\n      //be properly updated and drawn on screen. This is required to\n      //ensure that the preparation animation is properly flushed so that\n      //the active state picks up from there. DO NOT REMOVE THIS LINE.\n      //DO NOT OPTIMIZE THIS LINE. THE MINIFIER WILL REMOVE IT OTHERWISE WHICH\n      //WILL RESULT IN AN UNPREDICTABLE BUG THAT IS VERY HARD TO TRACK DOWN AND\n      //WILL TAKE YEARS AWAY FROM YOUR LIFE.\n      if (domNode) {\n        if (!domNode.nodeType && domNode instanceof jqLite) {\n          domNode = domNode[0];\n        }\n      } else {\n        domNode = $document[0].body;\n      }\n      return domNode.offsetWidth + 1;\n    };\n  }];\n};\n\nvar APPLICATION_JSON = 'application/json';\nvar CONTENT_TYPE_APPLICATION_JSON = {'Content-Type': APPLICATION_JSON + ';charset=utf-8'};\nvar JSON_START = /^\\[|^\\{(?!\\{)/;\nvar JSON_ENDS = {\n  '[': /]$/,\n  '{': /}$/\n};\nvar JSON_PROTECTION_PREFIX = /^\\)]\\}',?\\n/;\nvar $httpMinErr = minErr('$http');\n\nfunction serializeValue(v) {\n  if (isObject(v)) {\n    return isDate(v) ? v.toISOString() : toJson(v);\n  }\n  return v;\n}\n\n\n/** @this */\nfunction $HttpParamSerializerProvider() {\n  /**\n   * @ngdoc service\n   * @name $httpParamSerializer\n   * @description\n   *\n   * Default {@link $http `$http`} params serializer that converts objects to strings\n   * according to the following rules:\n   *\n   * * `{'foo': 'bar'}` results in `foo=bar`\n   * * `{'foo': Date.now()}` results in `foo=2015-04-01T09%3A50%3A49.262Z` (`toISOString()` and encoded representation of a Date object)\n   * * `{'foo': ['bar', 'baz']}` results in `foo=bar&foo=baz` (repeated key for each array element)\n   * * `{'foo': {'bar':'baz'}}` results in `foo=%7B%22bar%22%3A%22baz%22%7D` (stringified and encoded representation of an object)\n   *\n   * Note that serializer will sort the request parameters alphabetically.\n   */\n\n  this.$get = function() {\n    return function ngParamSerializer(params) {\n      if (!params) return '';\n      var parts = [];\n      forEachSorted(params, function(value, key) {\n        if (value === null || isUndefined(value) || isFunction(value)) return;\n        if (isArray(value)) {\n          forEach(value, function(v) {\n            parts.push(encodeUriQuery(key)  + '=' + encodeUriQuery(serializeValue(v)));\n          });\n        } else {\n          parts.push(encodeUriQuery(key) + '=' + encodeUriQuery(serializeValue(value)));\n        }\n      });\n\n      return parts.join('&');\n    };\n  };\n}\n\n/** @this */\nfunction $HttpParamSerializerJQLikeProvider() {\n  /**\n   * @ngdoc service\n   * @name $httpParamSerializerJQLike\n   *\n   * @description\n   *\n   * Alternative {@link $http `$http`} params serializer that follows\n   * jQuery's [`param()`](http://api.jquery.com/jquery.param/) method logic.\n   * The serializer will also sort the params alphabetically.\n   *\n   * To use it for serializing `$http` request parameters, set it as the `paramSerializer` property:\n   *\n   * ```js\n   * $http({\n   *   url: myUrl,\n   *   method: 'GET',\n   *   params: myParams,\n   *   paramSerializer: '$httpParamSerializerJQLike'\n   * });\n   * ```\n   *\n   * It is also possible to set it as the default `paramSerializer` in the\n   * {@link $httpProvider#defaults `$httpProvider`}.\n   *\n   * Additionally, you can inject the serializer and use it explicitly, for example to serialize\n   * form data for submission:\n   *\n   * ```js\n   * .controller(function($http, $httpParamSerializerJQLike) {\n   *   //...\n   *\n   *   $http({\n   *     url: myUrl,\n   *     method: 'POST',\n   *     data: $httpParamSerializerJQLike(myData),\n   *     headers: {\n   *       'Content-Type': 'application/x-www-form-urlencoded'\n   *     }\n   *   });\n   *\n   * });\n   * ```\n   *\n   */\n  this.$get = function() {\n    return function jQueryLikeParamSerializer(params) {\n      if (!params) return '';\n      var parts = [];\n      serialize(params, '', true);\n      return parts.join('&');\n\n      function serialize(toSerialize, prefix, topLevel) {\n        if (isArray(toSerialize)) {\n          forEach(toSerialize, function(value, index) {\n            serialize(value, prefix + '[' + (isObject(value) ? index : '') + ']');\n          });\n        } else if (isObject(toSerialize) && !isDate(toSerialize)) {\n          forEachSorted(toSerialize, function(value, key) {\n            serialize(value, prefix +\n                (topLevel ? '' : '[') +\n                key +\n                (topLevel ? '' : ']'));\n          });\n        } else {\n          if (isFunction(toSerialize)) {\n            toSerialize = toSerialize();\n          }\n          parts.push(encodeUriQuery(prefix) + '=' +\n              (toSerialize == null ? '' : encodeUriQuery(serializeValue(toSerialize))));\n        }\n      }\n    };\n  };\n}\n\nfunction defaultHttpResponseTransform(data, headers) {\n  if (isString(data)) {\n    // Strip json vulnerability protection prefix and trim whitespace\n    var tempData = data.replace(JSON_PROTECTION_PREFIX, '').trim();\n\n    if (tempData) {\n      var contentType = headers('Content-Type');\n      var hasJsonContentType = contentType && (contentType.indexOf(APPLICATION_JSON) === 0);\n\n      if (hasJsonContentType || isJsonLike(tempData)) {\n        try {\n          data = fromJson(tempData);\n        } catch (e) {\n          if (!hasJsonContentType) {\n            return data;\n          }\n          throw $httpMinErr('baddata', 'Data must be a valid JSON object. Received: \"{0}\". ' +\n          'Parse error: \"{1}\"', data, e);\n        }\n      }\n    }\n  }\n\n  return data;\n}\n\nfunction isJsonLike(str) {\n    var jsonStart = str.match(JSON_START);\n    return jsonStart && JSON_ENDS[jsonStart[0]].test(str);\n}\n\n/**\n * Parse headers into key value object\n *\n * @param {string} headers Raw headers as a string\n * @returns {Object} Parsed headers as key value object\n */\nfunction parseHeaders(headers) {\n  var parsed = createMap(), i;\n\n  function fillInParsed(key, val) {\n    if (key) {\n      parsed[key] = parsed[key] ? parsed[key] + ', ' + val : val;\n    }\n  }\n\n  if (isString(headers)) {\n    forEach(headers.split('\\n'), function(line) {\n      i = line.indexOf(':');\n      fillInParsed(lowercase(trim(line.substr(0, i))), trim(line.substr(i + 1)));\n    });\n  } else if (isObject(headers)) {\n    forEach(headers, function(headerVal, headerKey) {\n      fillInParsed(lowercase(headerKey), trim(headerVal));\n    });\n  }\n\n  return parsed;\n}\n\n\n/**\n * Returns a function that provides access to parsed headers.\n *\n * Headers are lazy parsed when first requested.\n * @see parseHeaders\n *\n * @param {(string|Object)} headers Headers to provide access to.\n * @returns {function(string=)} Returns a getter function which if called with:\n *\n *   - if called with an argument returns a single header value or null\n *   - if called with no arguments returns an object containing all headers.\n */\nfunction headersGetter(headers) {\n  var headersObj;\n\n  return function(name) {\n    if (!headersObj) headersObj =  parseHeaders(headers);\n\n    if (name) {\n      var value = headersObj[lowercase(name)];\n      if (value === undefined) {\n        value = null;\n      }\n      return value;\n    }\n\n    return headersObj;\n  };\n}\n\n\n/**\n * Chain all given functions\n *\n * This function is used for both request and response transforming\n *\n * @param {*} data Data to transform.\n * @param {function(string=)} headers HTTP headers getter fn.\n * @param {number} status HTTP status code of the response.\n * @param {(Function|Array.<Function>)} fns Function or an array of functions.\n * @returns {*} Transformed data.\n */\nfunction transformData(data, headers, status, fns) {\n  if (isFunction(fns)) {\n    return fns(data, headers, status);\n  }\n\n  forEach(fns, function(fn) {\n    data = fn(data, headers, status);\n  });\n\n  return data;\n}\n\n\nfunction isSuccess(status) {\n  return 200 <= status && status < 300;\n}\n\n\n/**\n * @ngdoc provider\n * @name $httpProvider\n * @this\n *\n * @description\n * Use `$httpProvider` to change the default behavior of the {@link ng.$http $http} service.\n */\nfunction $HttpProvider() {\n  /**\n   * @ngdoc property\n   * @name $httpProvider#defaults\n   * @description\n   *\n   * Object containing default values for all {@link ng.$http $http} requests.\n   *\n   * - **`defaults.cache`** - {boolean|Object} - A boolean value or object created with\n   * {@link ng.$cacheFactory `$cacheFactory`} to enable or disable caching of HTTP responses\n   * by default. See {@link $http#caching $http Caching} for more information.\n   *\n   * - **`defaults.headers`** - {Object} - Default headers for all $http requests.\n   * Refer to {@link ng.$http#setting-http-headers $http} for documentation on\n   * setting default headers.\n   *     - **`defaults.headers.common`**\n   *     - **`defaults.headers.post`**\n   *     - **`defaults.headers.put`**\n   *     - **`defaults.headers.patch`**\n   *\n   * - **`defaults.jsonpCallbackParam`** - `{string}` - the name of the query parameter that passes the name of the\n   * callback in a JSONP request. The value of this parameter will be replaced with the expression generated by the\n   * {@link $jsonpCallbacks} service. Defaults to `'callback'`.\n   *\n   * - **`defaults.paramSerializer`** - `{string|function(Object<string,string>):string}` - A function\n   *  used to the prepare string representation of request parameters (specified as an object).\n   *  If specified as string, it is interpreted as a function registered with the {@link auto.$injector $injector}.\n   *  Defaults to {@link ng.$httpParamSerializer $httpParamSerializer}.\n   *\n   * - **`defaults.transformRequest`** -\n   * `{Array<function(data, headersGetter)>|function(data, headersGetter)}` -\n   * An array of functions (or a single function) which are applied to the request data.\n   * By default, this is an array with one request transformation function:\n   *\n   *   - If the `data` property of the request configuration object contains an object, serialize it\n   *     into JSON format.\n   *\n   * - **`defaults.transformResponse`** -\n   * `{Array<function(data, headersGetter, status)>|function(data, headersGetter, status)}` -\n   * An array of functions (or a single function) which are applied to the response data. By default,\n   * this is an array which applies one response transformation function that does two things:\n   *\n   *  - If XSRF prefix is detected, strip it\n   *    (see {@link ng.$http#security-considerations Security Considerations in the $http docs}).\n   *  - If the `Content-Type` is `application/json` or the response looks like JSON,\n   *    deserialize it using a JSON parser.\n   *\n   * - **`defaults.xsrfCookieName`** - {string} - Name of cookie containing the XSRF token.\n   * Defaults value is `'XSRF-TOKEN'`.\n   *\n   * - **`defaults.xsrfHeaderName`** - {string} - Name of HTTP header to populate with the\n   * XSRF token. Defaults value is `'X-XSRF-TOKEN'`.\n   *\n   */\n  var defaults = this.defaults = {\n    // transform incoming response data\n    transformResponse: [defaultHttpResponseTransform],\n\n    // transform outgoing request data\n    transformRequest: [function(d) {\n      return isObject(d) && !isFile(d) && !isBlob(d) && !isFormData(d) ? toJson(d) : d;\n    }],\n\n    // default headers\n    headers: {\n      common: {\n        'Accept': 'application/json, text/plain, */*'\n      },\n      post:   shallowCopy(CONTENT_TYPE_APPLICATION_JSON),\n      put:    shallowCopy(CONTENT_TYPE_APPLICATION_JSON),\n      patch:  shallowCopy(CONTENT_TYPE_APPLICATION_JSON)\n    },\n\n    xsrfCookieName: 'XSRF-TOKEN',\n    xsrfHeaderName: 'X-XSRF-TOKEN',\n\n    paramSerializer: '$httpParamSerializer',\n\n    jsonpCallbackParam: 'callback'\n  };\n\n  var useApplyAsync = false;\n  /**\n   * @ngdoc method\n   * @name $httpProvider#useApplyAsync\n   * @description\n   *\n   * Configure $http service to combine processing of multiple http responses received at around\n   * the same time via {@link ng.$rootScope.Scope#$applyAsync $rootScope.$applyAsync}. This can result in\n   * significant performance improvement for bigger applications that make many HTTP requests\n   * concurrently (common during application bootstrap).\n   *\n   * Defaults to false. If no value is specified, returns the current configured value.\n   *\n   * @param {boolean=} value If true, when requests are loaded, they will schedule a deferred\n   *    \"apply\" on the next tick, giving time for subsequent requests in a roughly ~10ms window\n   *    to load and share the same digest cycle.\n   *\n   * @returns {boolean|Object} If a value is specified, returns the $httpProvider for chaining.\n   *    otherwise, returns the current configured value.\n   */\n  this.useApplyAsync = function(value) {\n    if (isDefined(value)) {\n      useApplyAsync = !!value;\n      return this;\n    }\n    return useApplyAsync;\n  };\n\n  /**\n   * @ngdoc property\n   * @name $httpProvider#interceptors\n   * @description\n   *\n   * Array containing service factories for all synchronous or asynchronous {@link ng.$http $http}\n   * pre-processing of request or postprocessing of responses.\n   *\n   * These service factories are ordered by request, i.e. they are applied in the same order as the\n   * array, on request, but reverse order, on response.\n   *\n   * {@link ng.$http#interceptors Interceptors detailed info}\n   */\n  var interceptorFactories = this.interceptors = [];\n\n  /**\n   * @ngdoc property\n   * @name $httpProvider#xsrfWhitelistedOrigins\n   * @description\n   *\n   * Array containing URLs whose origins are trusted to receive the XSRF token. See the\n   * {@link ng.$http#security-considerations Security Considerations} sections for more details on\n   * XSRF.\n   *\n   * **Note:** An \"origin\" consists of the [URI scheme](https://en.wikipedia.org/wiki/URI_scheme),\n   * the [hostname](https://en.wikipedia.org/wiki/Hostname) and the\n   * [port number](https://en.wikipedia.org/wiki/Port_(computer_networking). For `http:` and\n   * `https:`, the port number can be omitted if using th default ports (80 and 443 respectively).\n   * Examples: `http://example.com`, `https://api.example.com:9876`\n   *\n   * <div class=\"alert alert-warning\">\n   *   It is not possible to whitelist specific URLs/paths. The `path`, `query` and `fragment` parts\n   *   of a URL will be ignored. For example, `https://foo.com/path/bar?query=baz#fragment` will be\n   *   treated as `https://foo.com`, meaning that **all** requests to URLs starting with\n   *   `https://foo.com/` will include the XSRF token.\n   * </div>\n   *\n   * @example\n   *\n   * ```js\n   * // App served from `https://example.com/`.\n   * angular.\n   *   module('xsrfWhitelistedOriginsExample', []).\n   *   config(['$httpProvider', function($httpProvider) {\n   *     $httpProvider.xsrfWhitelistedOrigins.push('https://api.example.com');\n   *   }]).\n   *   run(['$http', function($http) {\n   *     // The XSRF token will be sent.\n   *     $http.get('https://api.example.com/preferences').then(...);\n   *\n   *     // The XSRF token will NOT be sent.\n   *     $http.get('https://stats.example.com/activity').then(...);\n   *   }]);\n   * ```\n   */\n  var xsrfWhitelistedOrigins = this.xsrfWhitelistedOrigins = [];\n\n  this.$get = ['$browser', '$httpBackend', '$$cookieReader', '$cacheFactory', '$rootScope', '$q', '$injector', '$sce',\n      function($browser, $httpBackend, $$cookieReader, $cacheFactory, $rootScope, $q, $injector, $sce) {\n\n    var defaultCache = $cacheFactory('$http');\n\n    /**\n     * Make sure that default param serializer is exposed as a function\n     */\n    defaults.paramSerializer = isString(defaults.paramSerializer) ?\n      $injector.get(defaults.paramSerializer) : defaults.paramSerializer;\n\n    /**\n     * Interceptors stored in reverse order. Inner interceptors before outer interceptors.\n     * The reversal is needed so that we can build up the interception chain around the\n     * server request.\n     */\n    var reversedInterceptors = [];\n\n    forEach(interceptorFactories, function(interceptorFactory) {\n      reversedInterceptors.unshift(isString(interceptorFactory)\n          ? $injector.get(interceptorFactory) : $injector.invoke(interceptorFactory));\n    });\n\n    /**\n     * A function to check request URLs against a list of allowed origins.\n     */\n    var urlIsAllowedOrigin = urlIsAllowedOriginFactory(xsrfWhitelistedOrigins);\n\n    /**\n     * @ngdoc service\n     * @kind function\n     * @name $http\n     * @requires ng.$httpBackend\n     * @requires $cacheFactory\n     * @requires $rootScope\n     * @requires $q\n     * @requires $injector\n     *\n     * @description\n     * The `$http` service is a core AngularJS service that facilitates communication with the remote\n     * HTTP servers via the browser's [XMLHttpRequest](https://developer.mozilla.org/en/xmlhttprequest)\n     * object or via [JSONP](http://en.wikipedia.org/wiki/JSONP).\n     *\n     * For unit testing applications that use `$http` service, see\n     * {@link ngMock.$httpBackend $httpBackend mock}.\n     *\n     * For a higher level of abstraction, please check out the {@link ngResource.$resource\n     * $resource} service.\n     *\n     * The $http API is based on the {@link ng.$q deferred/promise APIs} exposed by\n     * the $q service. While for simple usage patterns this doesn't matter much, for advanced usage\n     * it is important to familiarize yourself with these APIs and the guarantees they provide.\n     *\n     *\n     * ## General usage\n     * The `$http` service is a function which takes a single argument — a {@link $http#usage configuration object} —\n     * that is used to generate an HTTP request and returns  a {@link ng.$q promise} that is\n     * resolved (request success) or rejected (request failure) with a\n     * {@link ng.$http#$http-returns response} object.\n     *\n     * ```js\n     *   // Simple GET request example:\n     *   $http({\n     *     method: 'GET',\n     *     url: '/someUrl'\n     *   }).then(function successCallback(response) {\n     *       // this callback will be called asynchronously\n     *       // when the response is available\n     *     }, function errorCallback(response) {\n     *       // called asynchronously if an error occurs\n     *       // or server returns response with an error status.\n     *     });\n     * ```\n     *\n     *\n     * ## Shortcut methods\n     *\n     * Shortcut methods are also available. All shortcut methods require passing in the URL, and\n     * request data must be passed in for POST/PUT requests. An optional config can be passed as the\n     * last argument.\n     *\n     * ```js\n     *   $http.get('/someUrl', config).then(successCallback, errorCallback);\n     *   $http.post('/someUrl', data, config).then(successCallback, errorCallback);\n     * ```\n     *\n     * Complete list of shortcut methods:\n     *\n     * - {@link ng.$http#get $http.get}\n     * - {@link ng.$http#head $http.head}\n     * - {@link ng.$http#post $http.post}\n     * - {@link ng.$http#put $http.put}\n     * - {@link ng.$http#delete $http.delete}\n     * - {@link ng.$http#jsonp $http.jsonp}\n     * - {@link ng.$http#patch $http.patch}\n     *\n     *\n     * ## Writing Unit Tests that use $http\n     * When unit testing (using {@link ngMock ngMock}), it is necessary to call\n     * {@link ngMock.$httpBackend#flush $httpBackend.flush()} to flush each pending\n     * request using trained responses.\n     *\n     * ```\n     * $httpBackend.expectGET(...);\n     * $http.get(...);\n     * $httpBackend.flush();\n     * ```\n     *\n     * ## Setting HTTP Headers\n     *\n     * The $http service will automatically add certain HTTP headers to all requests. These defaults\n     * can be fully configured by accessing the `$httpProvider.defaults.headers` configuration\n     * object, which currently contains this default configuration:\n     *\n     * - `$httpProvider.defaults.headers.common` (headers that are common for all requests):\n     *   - <code>Accept: application/json, text/plain, \\*&#65279;/&#65279;\\*</code>\n     * - `$httpProvider.defaults.headers.post`: (header defaults for POST requests)\n     *   - `Content-Type: application/json`\n     * - `$httpProvider.defaults.headers.put` (header defaults for PUT requests)\n     *   - `Content-Type: application/json`\n     *\n     * To add or overwrite these defaults, simply add or remove a property from these configuration\n     * objects. To add headers for an HTTP method other than POST or PUT, simply add a new object\n     * with the lowercased HTTP method name as the key, e.g.\n     * `$httpProvider.defaults.headers.get = { 'My-Header' : 'value' }`.\n     *\n     * The defaults can also be set at runtime via the `$http.defaults` object in the same\n     * fashion. For example:\n     *\n     * ```\n     * module.run(function($http) {\n     *   $http.defaults.headers.common.Authorization = 'Basic YmVlcDpib29w';\n     * });\n     * ```\n     *\n     * In addition, you can supply a `headers` property in the config object passed when\n     * calling `$http(config)`, which overrides the defaults without changing them globally.\n     *\n     * To explicitly remove a header automatically added via $httpProvider.defaults.headers on a per request basis,\n     * Use the `headers` property, setting the desired header to `undefined`. For example:\n     *\n     * ```js\n     * var req = {\n     *  method: 'POST',\n     *  url: 'http://example.com',\n     *  headers: {\n     *    'Content-Type': undefined\n     *  },\n     *  data: { test: 'test' }\n     * }\n     *\n     * $http(req).then(function(){...}, function(){...});\n     * ```\n     *\n     * ## Transforming Requests and Responses\n     *\n     * Both requests and responses can be transformed using transformation functions: `transformRequest`\n     * and `transformResponse`. These properties can be a single function that returns\n     * the transformed value (`function(data, headersGetter, status)`) or an array of such transformation functions,\n     * which allows you to `push` or `unshift` a new transformation function into the transformation chain.\n     *\n     * <div class=\"alert alert-warning\">\n     * **Note:** AngularJS does not make a copy of the `data` parameter before it is passed into the `transformRequest` pipeline.\n     * That means changes to the properties of `data` are not local to the transform function (since Javascript passes objects by reference).\n     * For example, when calling `$http.get(url, $scope.myObject)`, modifications to the object's properties in a transformRequest\n     * function will be reflected on the scope and in any templates where the object is data-bound.\n     * To prevent this, transform functions should have no side-effects.\n     * If you need to modify properties, it is recommended to make a copy of the data, or create new object to return.\n     * </div>\n     *\n     * ### Default Transformations\n     *\n     * The `$httpProvider` provider and `$http` service expose `defaults.transformRequest` and\n     * `defaults.transformResponse` properties. If a request does not provide its own transformations\n     * then these will be applied.\n     *\n     * You can augment or replace the default transformations by modifying these properties by adding to or\n     * replacing the array.\n     *\n     * AngularJS provides the following default transformations:\n     *\n     * Request transformations (`$httpProvider.defaults.transformRequest` and `$http.defaults.transformRequest`) is\n     * an array with one function that does the following:\n     *\n     * - If the `data` property of the request configuration object contains an object, serialize it\n     *   into JSON format.\n     *\n     * Response transformations (`$httpProvider.defaults.transformResponse` and `$http.defaults.transformResponse`) is\n     * an array with one function that does the following:\n     *\n     *  - If XSRF prefix is detected, strip it (see Security Considerations section below).\n     *  - If the `Content-Type` is `application/json` or the response looks like JSON,\n   *      deserialize it using a JSON parser.\n     *\n     *\n     * ### Overriding the Default Transformations Per Request\n     *\n     * If you wish to override the request/response transformations only for a single request then provide\n     * `transformRequest` and/or `transformResponse` properties on the configuration object passed\n     * into `$http`.\n     *\n     * Note that if you provide these properties on the config object the default transformations will be\n     * overwritten. If you wish to augment the default transformations then you must include them in your\n     * local transformation array.\n     *\n     * The following code demonstrates adding a new response transformation to be run after the default response\n     * transformations have been run.\n     *\n     * ```js\n     * function appendTransform(defaults, transform) {\n     *\n     *   // We can't guarantee that the default transformation is an array\n     *   defaults = angular.isArray(defaults) ? defaults : [defaults];\n     *\n     *   // Append the new transformation to the defaults\n     *   return defaults.concat(transform);\n     * }\n     *\n     * $http({\n     *   url: '...',\n     *   method: 'GET',\n     *   transformResponse: appendTransform($http.defaults.transformResponse, function(value) {\n     *     return doTransform(value);\n     *   })\n     * });\n     * ```\n     *\n     *\n     * ## Caching\n     *\n     * {@link ng.$http `$http`} responses are not cached by default. To enable caching, you must\n     * set the config.cache value or the default cache value to TRUE or to a cache object (created\n     * with {@link ng.$cacheFactory `$cacheFactory`}). If defined, the value of config.cache takes\n     * precedence over the default cache value.\n     *\n     * In order to:\n     *   * cache all responses - set the default cache value to TRUE or to a cache object\n     *   * cache a specific response - set config.cache value to TRUE or to a cache object\n     *\n     * If caching is enabled, but neither the default cache nor config.cache are set to a cache object,\n     * then the default `$cacheFactory(\"$http\")` object is used.\n     *\n     * The default cache value can be set by updating the\n     * {@link ng.$http#defaults `$http.defaults.cache`} property or the\n     * {@link $httpProvider#defaults `$httpProvider.defaults.cache`} property.\n     *\n     * When caching is enabled, {@link ng.$http `$http`} stores the response from the server using\n     * the relevant cache object. The next time the same request is made, the response is returned\n     * from the cache without sending a request to the server.\n     *\n     * Take note that:\n     *\n     *   * Only GET and JSONP requests are cached.\n     *   * The cache key is the request URL including search parameters; headers are not considered.\n     *   * Cached responses are returned asynchronously, in the same way as responses from the server.\n     *   * If multiple identical requests are made using the same cache, which is not yet populated,\n     *     one request will be made to the server and remaining requests will return the same response.\n     *   * A cache-control header on the response does not affect if or how responses are cached.\n     *\n     *\n     * ## Interceptors\n     *\n     * Before you start creating interceptors, be sure to understand the\n     * {@link ng.$q $q and deferred/promise APIs}.\n     *\n     * For purposes of global error handling, authentication, or any kind of synchronous or\n     * asynchronous pre-processing of request or postprocessing of responses, it is desirable to be\n     * able to intercept requests before they are handed to the server and\n     * responses before they are handed over to the application code that\n     * initiated these requests. The interceptors leverage the {@link ng.$q\n     * promise APIs} to fulfill this need for both synchronous and asynchronous pre-processing.\n     *\n     * The interceptors are service factories that are registered with the `$httpProvider` by\n     * adding them to the `$httpProvider.interceptors` array. The factory is called and\n     * injected with dependencies (if specified) and returns the interceptor.\n     *\n     * There are two kinds of interceptors (and two kinds of rejection interceptors):\n     *\n     *   * `request`: interceptors get called with a http {@link $http#usage config} object. The function is free to\n     *     modify the `config` object or create a new one. The function needs to return the `config`\n     *     object directly, or a promise containing the `config` or a new `config` object.\n     *   * `requestError`: interceptor gets called when a previous interceptor threw an error or\n     *     resolved with a rejection.\n     *   * `response`: interceptors get called with http `response` object. The function is free to\n     *     modify the `response` object or create a new one. The function needs to return the `response`\n     *     object directly, or as a promise containing the `response` or a new `response` object.\n     *   * `responseError`: interceptor gets called when a previous interceptor threw an error or\n     *     resolved with a rejection.\n     *\n     *\n     * ```js\n     *   // register the interceptor as a service\n     *   $provide.factory('myHttpInterceptor', function($q, dependency1, dependency2) {\n     *     return {\n     *       // optional method\n     *       'request': function(config) {\n     *         // do something on success\n     *         return config;\n     *       },\n     *\n     *       // optional method\n     *      'requestError': function(rejection) {\n     *         // do something on error\n     *         if (canRecover(rejection)) {\n     *           return responseOrNewPromise\n     *         }\n     *         return $q.reject(rejection);\n     *       },\n     *\n     *\n     *\n     *       // optional method\n     *       'response': function(response) {\n     *         // do something on success\n     *         return response;\n     *       },\n     *\n     *       // optional method\n     *      'responseError': function(rejection) {\n     *         // do something on error\n     *         if (canRecover(rejection)) {\n     *           return responseOrNewPromise\n     *         }\n     *         return $q.reject(rejection);\n     *       }\n     *     };\n     *   });\n     *\n     *   $httpProvider.interceptors.push('myHttpInterceptor');\n     *\n     *\n     *   // alternatively, register the interceptor via an anonymous factory\n     *   $httpProvider.interceptors.push(function($q, dependency1, dependency2) {\n     *     return {\n     *      'request': function(config) {\n     *          // same as above\n     *       },\n     *\n     *       'response': function(response) {\n     *          // same as above\n     *       }\n     *     };\n     *   });\n     * ```\n     *\n     * ## Security Considerations\n     *\n     * When designing web applications, consider security threats from:\n     *\n     * - [JSON vulnerability](http://haacked.com/archive/2008/11/20/anatomy-of-a-subtle-json-vulnerability.aspx)\n     * - [XSRF](http://en.wikipedia.org/wiki/Cross-site_request_forgery)\n     *\n     * Both server and the client must cooperate in order to eliminate these threats. AngularJS comes\n     * pre-configured with strategies that address these issues, but for this to work backend server\n     * cooperation is required.\n     *\n     * ### JSON Vulnerability Protection\n     *\n     * A [JSON vulnerability](http://haacked.com/archive/2008/11/20/anatomy-of-a-subtle-json-vulnerability.aspx)\n     * allows third party website to turn your JSON resource URL into\n     * [JSONP](http://en.wikipedia.org/wiki/JSONP) request under some conditions. To\n     * counter this your server can prefix all JSON requests with following string `\")]}',\\n\"`.\n     * AngularJS will automatically strip the prefix before processing it as JSON.\n     *\n     * For example if your server needs to return:\n     * ```js\n     * ['one','two']\n     * ```\n     *\n     * which is vulnerable to attack, your server can return:\n     * ```js\n     * )]}',\n     * ['one','two']\n     * ```\n     *\n     * AngularJS will strip the prefix, before processing the JSON.\n     *\n     *\n     * ### Cross Site Request Forgery (XSRF) Protection\n     *\n     * [XSRF](http://en.wikipedia.org/wiki/Cross-site_request_forgery) is an attack technique by\n     * which the attacker can trick an authenticated user into unknowingly executing actions on your\n     * website. AngularJS provides a mechanism to counter XSRF. When performing XHR requests, the\n     * $http service reads a token from a cookie (by default, `XSRF-TOKEN`) and sets it as an HTTP\n     * header (by default `X-XSRF-TOKEN`). Since only JavaScript that runs on your domain could read\n     * the cookie, your server can be assured that the XHR came from JavaScript running on your\n     * domain.\n     *\n     * To take advantage of this, your server needs to set a token in a JavaScript readable session\n     * cookie called `XSRF-TOKEN` on the first HTTP GET request. On subsequent XHR requests the\n     * server can verify that the cookie matches the `X-XSRF-TOKEN` HTTP header, and therefore be\n     * sure that only JavaScript running on your domain could have sent the request. The token must\n     * be unique for each user and must be verifiable by the server (to prevent the JavaScript from\n     * making up its own tokens). We recommend that the token is a digest of your site's\n     * authentication cookie with a [salt](https://en.wikipedia.org/wiki/Salt_(cryptography&#41;)\n     * for added security.\n     *\n     * The header will &mdash; by default &mdash; **not** be set for cross-domain requests. This\n     * prevents unauthorized servers (e.g. malicious or compromised 3rd-party APIs) from gaining\n     * access to your users' XSRF tokens and exposing them to Cross Site Request Forgery. If you\n     * want to, you can whitelist additional origins to also receive the XSRF token, by adding them\n     * to {@link ng.$httpProvider#xsrfWhitelistedOrigins xsrfWhitelistedOrigins}. This might be\n     * useful, for example, if your application, served from `example.com`, needs to access your API\n     * at `api.example.com`.\n     * See {@link ng.$httpProvider#xsrfWhitelistedOrigins $httpProvider.xsrfWhitelistedOrigins} for\n     * more details.\n     *\n     * <div class=\"alert alert-danger\">\n     *   **Warning**<br />\n     *   Only whitelist origins that you have control over and make sure you understand the\n     *   implications of doing so.\n     * </div>\n     *\n     * The name of the cookie and the header can be specified using the `xsrfCookieName` and\n     * `xsrfHeaderName` properties of either `$httpProvider.defaults` at config-time,\n     * `$http.defaults` at run-time, or the per-request config object.\n     *\n     * In order to prevent collisions in environments where multiple AngularJS apps share the\n     * same domain or subdomain, we recommend that each application uses a unique cookie name.\n     *\n     *\n     * @param {object} config Object describing the request to be made and how it should be\n     *    processed. The object has following properties:\n     *\n     *    - **method** – `{string}` – HTTP method (e.g. 'GET', 'POST', etc)\n     *    - **url** – `{string|TrustedObject}` – Absolute or relative URL of the resource that is being requested;\n     *      or an object created by a call to `$sce.trustAsResourceUrl(url)`.\n     *    - **params** – `{Object.<string|Object>}` – Map of strings or objects which will be serialized\n     *      with the `paramSerializer` and appended as GET parameters.\n     *    - **data** – `{string|Object}` – Data to be sent as the request message data.\n     *    - **headers** – `{Object}` – Map of strings or functions which return strings representing\n     *      HTTP headers to send to the server. If the return value of a function is null, the\n     *      header will not be sent. Functions accept a config object as an argument.\n     *    - **eventHandlers** - `{Object}` - Event listeners to be bound to the XMLHttpRequest object.\n     *      To bind events to the XMLHttpRequest upload object, use `uploadEventHandlers`.\n     *      The handler will be called in the context of a `$apply` block.\n     *    - **uploadEventHandlers** - `{Object}` - Event listeners to be bound to the XMLHttpRequest upload\n     *      object. To bind events to the XMLHttpRequest object, use `eventHandlers`.\n     *      The handler will be called in the context of a `$apply` block.\n     *    - **xsrfHeaderName** – `{string}` – Name of HTTP header to populate with the XSRF token.\n     *    - **xsrfCookieName** – `{string}` – Name of cookie containing the XSRF token.\n     *    - **transformRequest** –\n     *      `{function(data, headersGetter)|Array.<function(data, headersGetter)>}` –\n     *      transform function or an array of such functions. The transform function takes the http\n     *      request body and headers and returns its transformed (typically serialized) version.\n     *      See {@link ng.$http#overriding-the-default-transformations-per-request\n     *      Overriding the Default Transformations}\n     *    - **transformResponse** –\n     *      `{function(data, headersGetter, status)|Array.<function(data, headersGetter, status)>}` –\n     *      transform function or an array of such functions. The transform function takes the http\n     *      response body, headers and status and returns its transformed (typically deserialized) version.\n     *      See {@link ng.$http#overriding-the-default-transformations-per-request\n     *      Overriding the Default Transformations}\n     *    - **paramSerializer** - `{string|function(Object<string,string>):string}` - A function used to\n     *      prepare the string representation of request parameters (specified as an object).\n     *      If specified as string, it is interpreted as function registered with the\n     *      {@link $injector $injector}, which means you can create your own serializer\n     *      by registering it as a {@link auto.$provide#service service}.\n     *      The default serializer is the {@link $httpParamSerializer $httpParamSerializer};\n     *      alternatively, you can use the {@link $httpParamSerializerJQLike $httpParamSerializerJQLike}\n     *    - **cache** – `{boolean|Object}` – A boolean value or object created with\n     *      {@link ng.$cacheFactory `$cacheFactory`} to enable or disable caching of the HTTP response.\n     *      See {@link $http#caching $http Caching} for more information.\n     *    - **timeout** – `{number|Promise}` – timeout in milliseconds, or {@link ng.$q promise}\n     *      that should abort the request when resolved.\n     *\n     *      A numerical timeout or a promise returned from {@link ng.$timeout $timeout}, will set\n     *      the `xhrStatus` in the {@link $http#$http-returns response} to \"timeout\", and any other\n     *      resolved promise will set it to \"abort\", following standard XMLHttpRequest behavior.\n     *\n     *    - **withCredentials** - `{boolean}` - whether to set the `withCredentials` flag on the\n     *      XHR object. See [requests with credentials](https://developer.mozilla.org/docs/Web/HTTP/Access_control_CORS#Requests_with_credentials)\n     *      for more information.\n     *    - **responseType** - `{string}` - see\n     *      [XMLHttpRequest.responseType](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest#xmlhttprequest-responsetype).\n     *\n     * @returns {HttpPromise} A {@link ng.$q `Promise}` that will be resolved (request success)\n     *   or rejected (request failure) with a response object.\n     *\n     *   The response object has these properties:\n     *\n     *   - **data** – `{string|Object}` – The response body transformed with\n     *     the transform functions.\n     *   - **status** – `{number}` – HTTP status code of the response.\n     *   - **headers** – `{function([headerName])}` – Header getter function.\n     *   - **config** – `{Object}` – The configuration object that was used\n     *     to generate the request.\n     *   - **statusText** – `{string}` – HTTP status text of the response.\n     *   - **xhrStatus** – `{string}` – Status of the XMLHttpRequest\n     *     (`complete`, `error`, `timeout` or `abort`).\n     *\n     *\n     *   A response status code between 200 and 299 is considered a success status\n     *   and will result in the success callback being called. Any response status\n     *   code outside of that range is considered an error status and will result\n     *   in the error callback being called.\n     *   Also, status codes less than -1 are normalized to zero. -1 usually means\n     *   the request was aborted, e.g. using a `config.timeout`. More information\n     *   about the status might be available in the `xhrStatus` property.\n     *\n     *   Note that if the response is a redirect, XMLHttpRequest will transparently\n     *   follow it, meaning that the outcome (success or error) will be determined\n     *   by the final response status code.\n     *\n     *\n     * @property {Array.<Object>} pendingRequests Array of config objects for currently pending\n     *   requests. This is primarily meant to be used for debugging purposes.\n     *\n     *\n     * @example\n<example module=\"httpExample\" name=\"http-service\">\n<file name=\"index.html\">\n  <div ng-controller=\"FetchController\">\n    <select ng-model=\"method\" aria-label=\"Request method\">\n      <option>GET</option>\n      <option>JSONP</option>\n    </select>\n    <input type=\"text\" ng-model=\"url\" size=\"80\" aria-label=\"URL\" />\n    <button id=\"fetchbtn\" ng-click=\"fetch()\">fetch</button><br>\n    <button id=\"samplegetbtn\" ng-click=\"updateModel('GET', 'http-hello.html')\">Sample GET</button>\n    <button id=\"samplejsonpbtn\"\n      ng-click=\"updateModel('JSONP',\n                    'https://angularjs.org/greet.php?name=Super%20Hero')\">\n      Sample JSONP\n    </button>\n    <button id=\"invalidjsonpbtn\"\n      ng-click=\"updateModel('JSONP', 'https://angularjs.org/doesntexist')\">\n        Invalid JSONP\n      </button>\n    <pre>http status code: {{status}}</pre>\n    <pre>http response data: {{data}}</pre>\n  </div>\n</file>\n<file name=\"script.js\">\n  angular.module('httpExample', [])\n    .config(['$sceDelegateProvider', function($sceDelegateProvider) {\n      // We must whitelist the JSONP endpoint that we are using to show that we trust it\n      $sceDelegateProvider.resourceUrlWhitelist([\n        'self',\n        'https://angularjs.org/**'\n      ]);\n    }])\n    .controller('FetchController', ['$scope', '$http', '$templateCache',\n      function($scope, $http, $templateCache) {\n        $scope.method = 'GET';\n        $scope.url = 'http-hello.html';\n\n        $scope.fetch = function() {\n          $scope.code = null;\n          $scope.response = null;\n\n          $http({method: $scope.method, url: $scope.url, cache: $templateCache}).\n            then(function(response) {\n              $scope.status = response.status;\n              $scope.data = response.data;\n            }, function(response) {\n              $scope.data = response.data || 'Request failed';\n              $scope.status = response.status;\n          });\n        };\n\n        $scope.updateModel = function(method, url) {\n          $scope.method = method;\n          $scope.url = url;\n        };\n      }]);\n</file>\n<file name=\"http-hello.html\">\n  Hello, $http!\n</file>\n<file name=\"protractor.js\" type=\"protractor\">\n  var status = element(by.binding('status'));\n  var data = element(by.binding('data'));\n  var fetchBtn = element(by.id('fetchbtn'));\n  var sampleGetBtn = element(by.id('samplegetbtn'));\n  var invalidJsonpBtn = element(by.id('invalidjsonpbtn'));\n\n  it('should make an xhr GET request', function() {\n    sampleGetBtn.click();\n    fetchBtn.click();\n    expect(status.getText()).toMatch('200');\n    expect(data.getText()).toMatch(/Hello, \\$http!/);\n  });\n\n// Commented out due to flakes. See https://github.com/angular/angular.js/issues/9185\n// it('should make a JSONP request to angularjs.org', function() {\n//   var sampleJsonpBtn = element(by.id('samplejsonpbtn'));\n//   sampleJsonpBtn.click();\n//   fetchBtn.click();\n//   expect(status.getText()).toMatch('200');\n//   expect(data.getText()).toMatch(/Super Hero!/);\n// });\n\n  it('should make JSONP request to invalid URL and invoke the error handler',\n      function() {\n    invalidJsonpBtn.click();\n    fetchBtn.click();\n    expect(status.getText()).toMatch('0');\n    expect(data.getText()).toMatch('Request failed');\n  });\n</file>\n</example>\n     */\n    function $http(requestConfig) {\n\n      if (!isObject(requestConfig)) {\n        throw minErr('$http')('badreq', 'Http request configuration must be an object.  Received: {0}', requestConfig);\n      }\n\n      if (!isString($sce.valueOf(requestConfig.url))) {\n        throw minErr('$http')('badreq', 'Http request configuration url must be a string or a $sce trusted object.  Received: {0}', requestConfig.url);\n      }\n\n      var config = extend({\n        method: 'get',\n        transformRequest: defaults.transformRequest,\n        transformResponse: defaults.transformResponse,\n        paramSerializer: defaults.paramSerializer,\n        jsonpCallbackParam: defaults.jsonpCallbackParam\n      }, requestConfig);\n\n      config.headers = mergeHeaders(requestConfig);\n      config.method = uppercase(config.method);\n      config.paramSerializer = isString(config.paramSerializer) ?\n          $injector.get(config.paramSerializer) : config.paramSerializer;\n\n      $browser.$$incOutstandingRequestCount('$http');\n\n      var requestInterceptors = [];\n      var responseInterceptors = [];\n      var promise = $q.resolve(config);\n\n      // apply interceptors\n      forEach(reversedInterceptors, function(interceptor) {\n        if (interceptor.request || interceptor.requestError) {\n          requestInterceptors.unshift(interceptor.request, interceptor.requestError);\n        }\n        if (interceptor.response || interceptor.responseError) {\n          responseInterceptors.push(interceptor.response, interceptor.responseError);\n        }\n      });\n\n      promise = chainInterceptors(promise, requestInterceptors);\n      promise = promise.then(serverRequest);\n      promise = chainInterceptors(promise, responseInterceptors);\n      promise = promise.finally(completeOutstandingRequest);\n\n      return promise;\n\n\n      function chainInterceptors(promise, interceptors) {\n        for (var i = 0, ii = interceptors.length; i < ii;) {\n          var thenFn = interceptors[i++];\n          var rejectFn = interceptors[i++];\n\n          promise = promise.then(thenFn, rejectFn);\n        }\n\n        interceptors.length = 0;\n\n        return promise;\n      }\n\n      function completeOutstandingRequest() {\n        $browser.$$completeOutstandingRequest(noop, '$http');\n      }\n\n      function executeHeaderFns(headers, config) {\n        var headerContent, processedHeaders = {};\n\n        forEach(headers, function(headerFn, header) {\n          if (isFunction(headerFn)) {\n            headerContent = headerFn(config);\n            if (headerContent != null) {\n              processedHeaders[header] = headerContent;\n            }\n          } else {\n            processedHeaders[header] = headerFn;\n          }\n        });\n\n        return processedHeaders;\n      }\n\n      function mergeHeaders(config) {\n        var defHeaders = defaults.headers,\n            reqHeaders = extend({}, config.headers),\n            defHeaderName, lowercaseDefHeaderName, reqHeaderName;\n\n        defHeaders = extend({}, defHeaders.common, defHeaders[lowercase(config.method)]);\n\n        // using for-in instead of forEach to avoid unnecessary iteration after header has been found\n        defaultHeadersIteration:\n        for (defHeaderName in defHeaders) {\n          lowercaseDefHeaderName = lowercase(defHeaderName);\n\n          for (reqHeaderName in reqHeaders) {\n            if (lowercase(reqHeaderName) === lowercaseDefHeaderName) {\n              continue defaultHeadersIteration;\n            }\n          }\n\n          reqHeaders[defHeaderName] = defHeaders[defHeaderName];\n        }\n\n        // execute if header value is a function for merged headers\n        return executeHeaderFns(reqHeaders, shallowCopy(config));\n      }\n\n      function serverRequest(config) {\n        var headers = config.headers;\n        var reqData = transformData(config.data, headersGetter(headers), undefined, config.transformRequest);\n\n        // strip content-type if data is undefined\n        if (isUndefined(reqData)) {\n          forEach(headers, function(value, header) {\n            if (lowercase(header) === 'content-type') {\n              delete headers[header];\n            }\n          });\n        }\n\n        if (isUndefined(config.withCredentials) && !isUndefined(defaults.withCredentials)) {\n          config.withCredentials = defaults.withCredentials;\n        }\n\n        // send request\n        return sendReq(config, reqData).then(transformResponse, transformResponse);\n      }\n\n      function transformResponse(response) {\n        // make a copy since the response must be cacheable\n        var resp = extend({}, response);\n        resp.data = transformData(response.data, response.headers, response.status,\n                                  config.transformResponse);\n        return (isSuccess(response.status))\n          ? resp\n          : $q.reject(resp);\n      }\n    }\n\n    $http.pendingRequests = [];\n\n    /**\n     * @ngdoc method\n     * @name $http#get\n     *\n     * @description\n     * Shortcut method to perform `GET` request.\n     *\n     * @param {string|TrustedObject} url Absolute or relative URL of the resource that is being requested;\n     *                                   or an object created by a call to `$sce.trustAsResourceUrl(url)`.\n     * @param {Object=} config Optional configuration object. See {@link ng.$http#$http-arguments `$http()` arguments}.\n     * @returns {HttpPromise}  A Promise that will be resolved or rejected with a response object.\n     * See {@link ng.$http#$http-returns `$http()` return value}.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $http#delete\n     *\n     * @description\n     * Shortcut method to perform `DELETE` request.\n     *\n     * @param {string|TrustedObject} url Absolute or relative URL of the resource that is being requested;\n     *                                   or an object created by a call to `$sce.trustAsResourceUrl(url)`.\n     * @param {Object=} config Optional configuration object. See {@link ng.$http#$http-arguments `$http()` arguments}.\n     * @returns {HttpPromise}  A Promise that will be resolved or rejected with a response object.\n     * See {@link ng.$http#$http-returns `$http()` return value}.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $http#head\n     *\n     * @description\n     * Shortcut method to perform `HEAD` request.\n     *\n     * @param {string|TrustedObject} url Absolute or relative URL of the resource that is being requested;\n     *                                   or an object created by a call to `$sce.trustAsResourceUrl(url)`.\n     * @param {Object=} config Optional configuration object. See {@link ng.$http#$http-arguments `$http()` arguments}.\n     * @returns {HttpPromise}  A Promise that will be resolved or rejected with a response object.\n     * See {@link ng.$http#$http-returns `$http()` return value}.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $http#jsonp\n     *\n     * @description\n     * Shortcut method to perform `JSONP` request.\n     *\n     * Note that, since JSONP requests are sensitive because the response is given full access to the browser,\n     * the url must be declared, via {@link $sce} as a trusted resource URL.\n     * You can trust a URL by adding it to the whitelist via\n     * {@link $sceDelegateProvider#resourceUrlWhitelist  `$sceDelegateProvider.resourceUrlWhitelist`} or\n     * by explicitly trusting the URL via {@link $sce#trustAsResourceUrl `$sce.trustAsResourceUrl(url)`}.\n     *\n     * You should avoid generating the URL for the JSONP request from user provided data.\n     * Provide additional query parameters via `params` property of the `config` parameter, rather than\n     * modifying the URL itself.\n     *\n     * JSONP requests must specify a callback to be used in the response from the server. This callback\n     * is passed as a query parameter in the request. You must specify the name of this parameter by\n     * setting the `jsonpCallbackParam` property on the request config object.\n     *\n     * ```\n     * $http.jsonp('some/trusted/url', {jsonpCallbackParam: 'callback'})\n     * ```\n     *\n     * You can also specify a default callback parameter name in `$http.defaults.jsonpCallbackParam`.\n     * Initially this is set to `'callback'`.\n     *\n     * <div class=\"alert alert-danger\">\n     * You can no longer use the `JSON_CALLBACK` string as a placeholder for specifying where the callback\n     * parameter value should go.\n     * </div>\n     *\n     * If you would like to customise where and how the callbacks are stored then try overriding\n     * or decorating the {@link $jsonpCallbacks} service.\n     *\n     * @param {string|TrustedObject} url Absolute or relative URL of the resource that is being requested;\n     *                                   or an object created by a call to `$sce.trustAsResourceUrl(url)`.\n     * @param {Object=} config Optional configuration object. See {@link ng.$http#$http-arguments `$http()` arguments}.\n     * @returns {HttpPromise}  A Promise that will be resolved or rejected with a response object.\n     * See {@link ng.$http#$http-returns `$http()` return value}.\n     */\n    createShortMethods('get', 'delete', 'head', 'jsonp');\n\n    /**\n     * @ngdoc method\n     * @name $http#post\n     *\n     * @description\n     * Shortcut method to perform `POST` request.\n     *\n     * @param {string} url Relative or absolute URL specifying the destination of the request\n     * @param {*} data Request content\n     * @param {Object=} config Optional configuration object. See {@link ng.$http#$http-arguments `$http()` arguments}.\n     * @returns {HttpPromise}  A Promise that will be resolved or rejected with a response object.\n     * See {@link ng.$http#$http-returns `$http()` return value}.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $http#put\n     *\n     * @description\n     * Shortcut method to perform `PUT` request.\n     *\n     * @param {string} url Relative or absolute URL specifying the destination of the request\n     * @param {*} data Request content\n     * @param {Object=} config Optional configuration object. See {@link ng.$http#$http-arguments `$http()` arguments}.\n     * @returns {HttpPromise}  A Promise that will be resolved or rejected with a response object.\n     * See {@link ng.$http#$http-returns `$http()` return value}.\n     */\n\n     /**\n      * @ngdoc method\n      * @name $http#patch\n      *\n      * @description\n      * Shortcut method to perform `PATCH` request.\n      *\n      * @param {string} url Relative or absolute URL specifying the destination of the request\n      * @param {*} data Request content\n      * @param {Object=} config Optional configuration object. See {@link ng.$http#$http-arguments `$http()` arguments}.\n      * @returns {HttpPromise}  A Promise that will be resolved or rejected with a response object.\n      * See {@link ng.$http#$http-returns `$http()` return value}.\n      */\n    createShortMethodsWithData('post', 'put', 'patch');\n\n        /**\n         * @ngdoc property\n         * @name $http#defaults\n         *\n         * @description\n         * Runtime equivalent of the `$httpProvider.defaults` property. Allows configuration of\n         * default headers, withCredentials as well as request and response transformations.\n         *\n         * See \"Setting HTTP Headers\" and \"Transforming Requests and Responses\" sections above.\n         */\n    $http.defaults = defaults;\n\n\n    return $http;\n\n\n    function createShortMethods(names) {\n      forEach(arguments, function(name) {\n        $http[name] = function(url, config) {\n          return $http(extend({}, config || {}, {\n            method: name,\n            url: url\n          }));\n        };\n      });\n    }\n\n\n    function createShortMethodsWithData(name) {\n      forEach(arguments, function(name) {\n        $http[name] = function(url, data, config) {\n          return $http(extend({}, config || {}, {\n            method: name,\n            url: url,\n            data: data\n          }));\n        };\n      });\n    }\n\n\n    /**\n     * Makes the request.\n     *\n     * !!! ACCESSES CLOSURE VARS:\n     * $httpBackend, defaults, $log, $rootScope, defaultCache, $http.pendingRequests\n     */\n    function sendReq(config, reqData) {\n      var deferred = $q.defer(),\n          promise = deferred.promise,\n          cache,\n          cachedResp,\n          reqHeaders = config.headers,\n          isJsonp = lowercase(config.method) === 'jsonp',\n          url = config.url;\n\n      if (isJsonp) {\n        // JSONP is a pretty sensitive operation where we're allowing a script to have full access to\n        // our DOM and JS space.  So we require that the URL satisfies SCE.RESOURCE_URL.\n        url = $sce.getTrustedResourceUrl(url);\n      } else if (!isString(url)) {\n        // If it is not a string then the URL must be a $sce trusted object\n        url = $sce.valueOf(url);\n      }\n\n      url = buildUrl(url, config.paramSerializer(config.params));\n\n      if (isJsonp) {\n        // Check the url and add the JSONP callback placeholder\n        url = sanitizeJsonpCallbackParam(url, config.jsonpCallbackParam);\n      }\n\n      $http.pendingRequests.push(config);\n      promise.then(removePendingReq, removePendingReq);\n\n      if ((config.cache || defaults.cache) && config.cache !== false &&\n          (config.method === 'GET' || config.method === 'JSONP')) {\n        cache = isObject(config.cache) ? config.cache\n            : isObject(/** @type {?} */ (defaults).cache)\n              ? /** @type {?} */ (defaults).cache\n              : defaultCache;\n      }\n\n      if (cache) {\n        cachedResp = cache.get(url);\n        if (isDefined(cachedResp)) {\n          if (isPromiseLike(cachedResp)) {\n            // cached request has already been sent, but there is no response yet\n            cachedResp.then(resolvePromiseWithResult, resolvePromiseWithResult);\n          } else {\n            // serving from cache\n            if (isArray(cachedResp)) {\n              resolvePromise(cachedResp[1], cachedResp[0], shallowCopy(cachedResp[2]), cachedResp[3], cachedResp[4]);\n            } else {\n              resolvePromise(cachedResp, 200, {}, 'OK', 'complete');\n            }\n          }\n        } else {\n          // put the promise for the non-transformed response into cache as a placeholder\n          cache.put(url, promise);\n        }\n      }\n\n\n      // if we won't have the response in cache, set the xsrf headers and\n      // send the request to the backend\n      if (isUndefined(cachedResp)) {\n        var xsrfValue = urlIsAllowedOrigin(config.url)\n            ? $$cookieReader()[config.xsrfCookieName || defaults.xsrfCookieName]\n            : undefined;\n        if (xsrfValue) {\n          reqHeaders[(config.xsrfHeaderName || defaults.xsrfHeaderName)] = xsrfValue;\n        }\n\n        $httpBackend(config.method, url, reqData, done, reqHeaders, config.timeout,\n            config.withCredentials, config.responseType,\n            createApplyHandlers(config.eventHandlers),\n            createApplyHandlers(config.uploadEventHandlers));\n      }\n\n      return promise;\n\n      function createApplyHandlers(eventHandlers) {\n        if (eventHandlers) {\n          var applyHandlers = {};\n          forEach(eventHandlers, function(eventHandler, key) {\n            applyHandlers[key] = function(event) {\n              if (useApplyAsync) {\n                $rootScope.$applyAsync(callEventHandler);\n              } else if ($rootScope.$$phase) {\n                callEventHandler();\n              } else {\n                $rootScope.$apply(callEventHandler);\n              }\n\n              function callEventHandler() {\n                eventHandler(event);\n              }\n            };\n          });\n          return applyHandlers;\n        }\n      }\n\n\n      /**\n       * Callback registered to $httpBackend():\n       *  - caches the response if desired\n       *  - resolves the raw $http promise\n       *  - calls $apply\n       */\n      function done(status, response, headersString, statusText, xhrStatus) {\n        if (cache) {\n          if (isSuccess(status)) {\n            cache.put(url, [status, response, parseHeaders(headersString), statusText, xhrStatus]);\n          } else {\n            // remove promise from the cache\n            cache.remove(url);\n          }\n        }\n\n        function resolveHttpPromise() {\n          resolvePromise(response, status, headersString, statusText, xhrStatus);\n        }\n\n        if (useApplyAsync) {\n          $rootScope.$applyAsync(resolveHttpPromise);\n        } else {\n          resolveHttpPromise();\n          if (!$rootScope.$$phase) $rootScope.$apply();\n        }\n      }\n\n\n      /**\n       * Resolves the raw $http promise.\n       */\n      function resolvePromise(response, status, headers, statusText, xhrStatus) {\n        //status: HTTP response status code, 0, -1 (aborted by timeout / promise)\n        status = status >= -1 ? status : 0;\n\n        (isSuccess(status) ? deferred.resolve : deferred.reject)({\n          data: response,\n          status: status,\n          headers: headersGetter(headers),\n          config: config,\n          statusText: statusText,\n          xhrStatus: xhrStatus\n        });\n      }\n\n      function resolvePromiseWithResult(result) {\n        resolvePromise(result.data, result.status, shallowCopy(result.headers()), result.statusText, result.xhrStatus);\n      }\n\n      function removePendingReq() {\n        var idx = $http.pendingRequests.indexOf(config);\n        if (idx !== -1) $http.pendingRequests.splice(idx, 1);\n      }\n    }\n\n\n    function buildUrl(url, serializedParams) {\n      if (serializedParams.length > 0) {\n        url += ((url.indexOf('?') === -1) ? '?' : '&') + serializedParams;\n      }\n      return url;\n    }\n\n    function sanitizeJsonpCallbackParam(url, cbKey) {\n      var parts = url.split('?');\n      if (parts.length > 2) {\n        // Throw if the url contains more than one `?` query indicator\n        throw $httpMinErr('badjsonp', 'Illegal use more than one \"?\", in url, \"{1}\"', url);\n      }\n      var params = parseKeyValue(parts[1]);\n      forEach(params, function(value, key) {\n        if (value === 'JSON_CALLBACK') {\n          // Throw if the url already contains a reference to JSON_CALLBACK\n          throw $httpMinErr('badjsonp', 'Illegal use of JSON_CALLBACK in url, \"{0}\"', url);\n        }\n        if (key === cbKey) {\n          // Throw if the callback param was already provided\n          throw $httpMinErr('badjsonp', 'Illegal use of callback param, \"{0}\", in url, \"{1}\"', cbKey, url);\n        }\n      });\n\n      // Add in the JSON_CALLBACK callback param value\n      url += ((url.indexOf('?') === -1) ? '?' : '&') + cbKey + '=JSON_CALLBACK';\n\n      return url;\n    }\n  }];\n}\n\n/**\n * @ngdoc service\n * @name $xhrFactory\n * @this\n *\n * @description\n * Factory function used to create XMLHttpRequest objects.\n *\n * Replace or decorate this service to create your own custom XMLHttpRequest objects.\n *\n * ```\n * angular.module('myApp', [])\n * .factory('$xhrFactory', function() {\n *   return function createXhr(method, url) {\n *     return new window.XMLHttpRequest({mozSystem: true});\n *   };\n * });\n * ```\n *\n * @param {string} method HTTP method of the request (GET, POST, PUT, ..)\n * @param {string} url URL of the request.\n */\nfunction $xhrFactoryProvider() {\n  this.$get = function() {\n    return function createXhr() {\n      return new window.XMLHttpRequest();\n    };\n  };\n}\n\n/**\n * @ngdoc service\n * @name $httpBackend\n * @requires $jsonpCallbacks\n * @requires $document\n * @requires $xhrFactory\n * @this\n *\n * @description\n * HTTP backend used by the {@link ng.$http service} that delegates to\n * XMLHttpRequest object or JSONP and deals with browser incompatibilities.\n *\n * You should never need to use this service directly, instead use the higher-level abstractions:\n * {@link ng.$http $http} or {@link ngResource.$resource $resource}.\n *\n * During testing this implementation is swapped with {@link ngMock.$httpBackend mock\n * $httpBackend} which can be trained with responses.\n */\nfunction $HttpBackendProvider() {\n  this.$get = ['$browser', '$jsonpCallbacks', '$document', '$xhrFactory', function($browser, $jsonpCallbacks, $document, $xhrFactory) {\n    return createHttpBackend($browser, $xhrFactory, $browser.defer, $jsonpCallbacks, $document[0]);\n  }];\n}\n\nfunction createHttpBackend($browser, createXhr, $browserDefer, callbacks, rawDocument) {\n  // TODO(vojta): fix the signature\n  return function(method, url, post, callback, headers, timeout, withCredentials, responseType, eventHandlers, uploadEventHandlers) {\n    url = url || $browser.url();\n\n    if (lowercase(method) === 'jsonp') {\n      var callbackPath = callbacks.createCallback(url);\n      var jsonpDone = jsonpReq(url, callbackPath, function(status, text) {\n        // jsonpReq only ever sets status to 200 (OK), 404 (ERROR) or -1 (WAITING)\n        var response = (status === 200) && callbacks.getResponse(callbackPath);\n        completeRequest(callback, status, response, '', text, 'complete');\n        callbacks.removeCallback(callbackPath);\n      });\n    } else {\n\n      var xhr = createXhr(method, url);\n      var abortedByTimeout = false;\n\n      xhr.open(method, url, true);\n      forEach(headers, function(value, key) {\n        if (isDefined(value)) {\n            xhr.setRequestHeader(key, value);\n        }\n      });\n\n      xhr.onload = function requestLoaded() {\n        var statusText = xhr.statusText || '';\n\n        // responseText is the old-school way of retrieving response (supported by IE9)\n        // response/responseType properties were introduced in XHR Level2 spec (supported by IE10)\n        var response = ('response' in xhr) ? xhr.response : xhr.responseText;\n\n        // normalize IE9 bug (http://bugs.jquery.com/ticket/1450)\n        var status = xhr.status === 1223 ? 204 : xhr.status;\n\n        // fix status code when it is 0 (0 status is undocumented).\n        // Occurs when accessing file resources or on Android 4.1 stock browser\n        // while retrieving files from application cache.\n        if (status === 0) {\n          status = response ? 200 : urlResolve(url).protocol === 'file' ? 404 : 0;\n        }\n\n        completeRequest(callback,\n            status,\n            response,\n            xhr.getAllResponseHeaders(),\n            statusText,\n            'complete');\n      };\n\n      var requestError = function() {\n        // The response is always empty\n        // See https://xhr.spec.whatwg.org/#request-error-steps and https://fetch.spec.whatwg.org/#concept-network-error\n        completeRequest(callback, -1, null, null, '', 'error');\n      };\n\n      var requestAborted = function() {\n        completeRequest(callback, -1, null, null, '', abortedByTimeout ? 'timeout' : 'abort');\n      };\n\n      var requestTimeout = function() {\n        // The response is always empty\n        // See https://xhr.spec.whatwg.org/#request-error-steps and https://fetch.spec.whatwg.org/#concept-network-error\n        completeRequest(callback, -1, null, null, '', 'timeout');\n      };\n\n      xhr.onerror = requestError;\n      xhr.ontimeout = requestTimeout;\n      xhr.onabort = requestAborted;\n\n      forEach(eventHandlers, function(value, key) {\n        xhr.addEventListener(key, value);\n      });\n\n      forEach(uploadEventHandlers, function(value, key) {\n        xhr.upload.addEventListener(key, value);\n      });\n\n      if (withCredentials) {\n        xhr.withCredentials = true;\n      }\n\n      if (responseType) {\n        try {\n          xhr.responseType = responseType;\n        } catch (e) {\n          // WebKit added support for the json responseType value on 09/03/2013\n          // https://bugs.webkit.org/show_bug.cgi?id=73648. Versions of Safari prior to 7 are\n          // known to throw when setting the value \"json\" as the response type. Other older\n          // browsers implementing the responseType\n          //\n          // The json response type can be ignored if not supported, because JSON payloads are\n          // parsed on the client-side regardless.\n          if (responseType !== 'json') {\n            throw e;\n          }\n        }\n      }\n\n      xhr.send(isUndefined(post) ? null : post);\n    }\n\n    // Since we are using xhr.abort() when a request times out, we have to set a flag that\n    // indicates to requestAborted if the request timed out or was aborted.\n    //\n    // http.timeout = numerical timeout   timeout\n    // http.timeout = $timeout            timeout\n    // http.timeout = promise             abort\n    // xhr.abort()                        abort (The xhr object is normally inaccessible, but\n    //                                    can be exposed with the xhrFactory)\n    if (timeout > 0) {\n      var timeoutId = $browserDefer(function() {\n        timeoutRequest('timeout');\n      }, timeout);\n    } else if (isPromiseLike(timeout)) {\n      timeout.then(function() {\n        timeoutRequest(isDefined(timeout.$$timeoutId) ? 'timeout' : 'abort');\n      });\n    }\n\n    function timeoutRequest(reason) {\n      abortedByTimeout = reason === 'timeout';\n      if (jsonpDone) {\n        jsonpDone();\n      }\n      if (xhr) {\n        xhr.abort();\n      }\n    }\n\n    function completeRequest(callback, status, response, headersString, statusText, xhrStatus) {\n      // cancel timeout and subsequent timeout promise resolution\n      if (isDefined(timeoutId)) {\n        $browserDefer.cancel(timeoutId);\n      }\n      jsonpDone = xhr = null;\n\n      callback(status, response, headersString, statusText, xhrStatus);\n    }\n  };\n\n  function jsonpReq(url, callbackPath, done) {\n    url = url.replace('JSON_CALLBACK', callbackPath);\n    // we can't use jQuery/jqLite here because jQuery does crazy stuff with script elements, e.g.:\n    // - fetches local scripts via XHR and evals them\n    // - adds and immediately removes script elements from the document\n    var script = rawDocument.createElement('script'), callback = null;\n    script.type = 'text/javascript';\n    script.src = url;\n    script.async = true;\n\n    callback = function(event) {\n      script.removeEventListener('load', callback);\n      script.removeEventListener('error', callback);\n      rawDocument.body.removeChild(script);\n      script = null;\n      var status = -1;\n      var text = 'unknown';\n\n      if (event) {\n        if (event.type === 'load' && !callbacks.wasCalled(callbackPath)) {\n          event = { type: 'error' };\n        }\n        text = event.type;\n        status = event.type === 'error' ? 404 : 200;\n      }\n\n      if (done) {\n        done(status, text);\n      }\n    };\n\n    script.addEventListener('load', callback);\n    script.addEventListener('error', callback);\n    rawDocument.body.appendChild(script);\n    return callback;\n  }\n}\n\nvar $interpolateMinErr = angular.$interpolateMinErr = minErr('$interpolate');\n$interpolateMinErr.throwNoconcat = function(text) {\n  throw $interpolateMinErr('noconcat',\n      'Error while interpolating: {0}\\nStrict Contextual Escaping disallows ' +\n      'interpolations that concatenate multiple expressions when a trusted value is ' +\n      'required.  See http://docs.angularjs.org/api/ng.$sce', text);\n};\n\n$interpolateMinErr.interr = function(text, err) {\n  return $interpolateMinErr('interr', 'Can\\'t interpolate: {0}\\n{1}', text, err.toString());\n};\n\n/**\n * @ngdoc provider\n * @name $interpolateProvider\n * @this\n *\n * @description\n *\n * Used for configuring the interpolation markup. Defaults to `{{` and `}}`.\n *\n * <div class=\"alert alert-danger\">\n * This feature is sometimes used to mix different markup languages, e.g. to wrap an AngularJS\n * template within a Python Jinja template (or any other template language). Mixing templating\n * languages is **very dangerous**. The embedding template language will not safely escape AngularJS\n * expressions, so any user-controlled values in the template will cause Cross Site Scripting (XSS)\n * security bugs!\n * </div>\n *\n * @example\n<example name=\"custom-interpolation-markup\" module=\"customInterpolationApp\">\n<file name=\"index.html\">\n<script>\n  var customInterpolationApp = angular.module('customInterpolationApp', []);\n\n  customInterpolationApp.config(function($interpolateProvider) {\n    $interpolateProvider.startSymbol('//');\n    $interpolateProvider.endSymbol('//');\n  });\n\n\n  customInterpolationApp.controller('DemoController', function() {\n      this.label = \"This binding is brought you by // interpolation symbols.\";\n  });\n</script>\n<div ng-controller=\"DemoController as demo\">\n    //demo.label//\n</div>\n</file>\n<file name=\"protractor.js\" type=\"protractor\">\n  it('should interpolate binding with custom symbols', function() {\n    expect(element(by.binding('demo.label')).getText()).toBe('This binding is brought you by // interpolation symbols.');\n  });\n</file>\n</example>\n */\nfunction $InterpolateProvider() {\n  var startSymbol = '{{';\n  var endSymbol = '}}';\n\n  /**\n   * @ngdoc method\n   * @name $interpolateProvider#startSymbol\n   * @description\n   * Symbol to denote start of expression in the interpolated string. Defaults to `{{`.\n   *\n   * @param {string=} value new value to set the starting symbol to.\n   * @returns {string|self} Returns the symbol when used as getter and self if used as setter.\n   */\n  this.startSymbol = function(value) {\n    if (value) {\n      startSymbol = value;\n      return this;\n    }\n    return startSymbol;\n  };\n\n  /**\n   * @ngdoc method\n   * @name $interpolateProvider#endSymbol\n   * @description\n   * Symbol to denote the end of expression in the interpolated string. Defaults to `}}`.\n   *\n   * @param {string=} value new value to set the ending symbol to.\n   * @returns {string|self} Returns the symbol when used as getter and self if used as setter.\n   */\n  this.endSymbol = function(value) {\n    if (value) {\n      endSymbol = value;\n      return this;\n    }\n    return endSymbol;\n  };\n\n\n  this.$get = ['$parse', '$exceptionHandler', '$sce', function($parse, $exceptionHandler, $sce) {\n    var startSymbolLength = startSymbol.length,\n        endSymbolLength = endSymbol.length,\n        escapedStartRegexp = new RegExp(startSymbol.replace(/./g, escape), 'g'),\n        escapedEndRegexp = new RegExp(endSymbol.replace(/./g, escape), 'g');\n\n    function escape(ch) {\n      return '\\\\\\\\\\\\' + ch;\n    }\n\n    function unescapeText(text) {\n      return text.replace(escapedStartRegexp, startSymbol).\n        replace(escapedEndRegexp, endSymbol);\n    }\n\n    // TODO: this is the same as the constantWatchDelegate in parse.js\n    function constantWatchDelegate(scope, listener, objectEquality, constantInterp) {\n      var unwatch = scope.$watch(function constantInterpolateWatch(scope) {\n        unwatch();\n        return constantInterp(scope);\n      }, listener, objectEquality);\n      return unwatch;\n    }\n\n    /**\n     * @ngdoc service\n     * @name $interpolate\n     * @kind function\n     *\n     * @requires $parse\n     * @requires $sce\n     *\n     * @description\n     *\n     * Compiles a string with markup into an interpolation function. This service is used by the\n     * HTML {@link ng.$compile $compile} service for data binding. See\n     * {@link ng.$interpolateProvider $interpolateProvider} for configuring the\n     * interpolation markup.\n     *\n     *\n     * ```js\n     *   var $interpolate = ...; // injected\n     *   var exp = $interpolate('Hello {{name | uppercase}}!');\n     *   expect(exp({name:'AngularJS'})).toEqual('Hello ANGULARJS!');\n     * ```\n     *\n     * `$interpolate` takes an optional fourth argument, `allOrNothing`. If `allOrNothing` is\n     * `true`, the interpolation function will return `undefined` unless all embedded expressions\n     * evaluate to a value other than `undefined`.\n     *\n     * ```js\n     *   var $interpolate = ...; // injected\n     *   var context = {greeting: 'Hello', name: undefined };\n     *\n     *   // default \"forgiving\" mode\n     *   var exp = $interpolate('{{greeting}} {{name}}!');\n     *   expect(exp(context)).toEqual('Hello !');\n     *\n     *   // \"allOrNothing\" mode\n     *   exp = $interpolate('{{greeting}} {{name}}!', false, null, true);\n     *   expect(exp(context)).toBeUndefined();\n     *   context.name = 'AngularJS';\n     *   expect(exp(context)).toEqual('Hello AngularJS!');\n     * ```\n     *\n     * `allOrNothing` is useful for interpolating URLs. `ngSrc` and `ngSrcset` use this behavior.\n     *\n     * #### Escaped Interpolation\n     * $interpolate provides a mechanism for escaping interpolation markers. Start and end markers\n     * can be escaped by preceding each of their characters with a REVERSE SOLIDUS U+005C (backslash).\n     * It will be rendered as a regular start/end marker, and will not be interpreted as an expression\n     * or binding.\n     *\n     * This enables web-servers to prevent script injection attacks and defacing attacks, to some\n     * degree, while also enabling code examples to work without relying on the\n     * {@link ng.directive:ngNonBindable ngNonBindable} directive.\n     *\n     * **For security purposes, it is strongly encouraged that web servers escape user-supplied data,\n     * replacing angle brackets (&lt;, &gt;) with &amp;lt; and &amp;gt; respectively, and replacing all\n     * interpolation start/end markers with their escaped counterparts.**\n     *\n     * Escaped interpolation markers are only replaced with the actual interpolation markers in rendered\n     * output when the $interpolate service processes the text. So, for HTML elements interpolated\n     * by {@link ng.$compile $compile}, or otherwise interpolated with the `mustHaveExpression` parameter\n     * set to `true`, the interpolated text must contain an unescaped interpolation expression. As such,\n     * this is typically useful only when user-data is used in rendering a template from the server, or\n     * when otherwise untrusted data is used by a directive.\n     *\n     * <example name=\"interpolation\">\n     *  <file name=\"index.html\">\n     *    <div ng-init=\"username='A user'\">\n     *      <p ng-init=\"apptitle='Escaping demo'\">{{apptitle}}: \\{\\{ username = \"defaced value\"; \\}\\}\n     *        </p>\n     *      <p><strong>{{username}}</strong> attempts to inject code which will deface the\n     *        application, but fails to accomplish their task, because the server has correctly\n     *        escaped the interpolation start/end markers with REVERSE SOLIDUS U+005C (backslash)\n     *        characters.</p>\n     *      <p>Instead, the result of the attempted script injection is visible, and can be removed\n     *        from the database by an administrator.</p>\n     *    </div>\n     *  </file>\n     * </example>\n     *\n     * @knownIssue\n     * It is currently not possible for an interpolated expression to contain the interpolation end\n     * symbol. For example, `{{ '}}' }}` will be incorrectly interpreted as `{{ ' }}` + `' }}`, i.e.\n     * an interpolated expression consisting of a single-quote (`'`) and the `' }}` string.\n     *\n     * @knownIssue\n     * All directives and components must use the standard `{{` `}}` interpolation symbols\n     * in their templates. If you change the application interpolation symbols the {@link $compile}\n     * service will attempt to denormalize the standard symbols to the custom symbols.\n     * The denormalization process is not clever enough to know not to replace instances of the standard\n     * symbols where they would not normally be treated as interpolation symbols. For example in the following\n     * code snippet the closing braces of the literal object will get incorrectly denormalized:\n     *\n     * ```\n     * <div data-context='{\"context\":{\"id\":3,\"type\":\"page\"}}\">\n     * ```\n     *\n     * The workaround is to ensure that such instances are separated by whitespace:\n     * ```\n     * <div data-context='{\"context\":{\"id\":3,\"type\":\"page\"} }\">\n     * ```\n     *\n     * See https://github.com/angular/angular.js/pull/14610#issuecomment-219401099 for more information.\n     *\n     * @param {string} text The text with markup to interpolate.\n     * @param {boolean=} mustHaveExpression if set to true then the interpolation string must have\n     *    embedded expression in order to return an interpolation function. Strings with no\n     *    embedded expression will return null for the interpolation function.\n     * @param {string=} trustedContext when provided, the returned function passes the interpolated\n     *    result through {@link ng.$sce#getTrusted $sce.getTrusted(interpolatedResult,\n     *    trustedContext)} before returning it.  Refer to the {@link ng.$sce $sce} service that\n     *    provides Strict Contextual Escaping for details.\n     * @param {boolean=} allOrNothing if `true`, then the returned function returns undefined\n     *    unless all embedded expressions evaluate to a value other than `undefined`.\n     * @returns {function(context)} an interpolation function which is used to compute the\n     *    interpolated string. The function has these parameters:\n     *\n     * - `context`: evaluation context for all expressions embedded in the interpolated text\n     */\n    function $interpolate(text, mustHaveExpression, trustedContext, allOrNothing) {\n      var contextAllowsConcatenation = trustedContext === $sce.URL || trustedContext === $sce.MEDIA_URL;\n\n      // Provide a quick exit and simplified result function for text with no interpolation\n      if (!text.length || text.indexOf(startSymbol) === -1) {\n        if (mustHaveExpression) return;\n\n        var unescapedText = unescapeText(text);\n        if (contextAllowsConcatenation) {\n          unescapedText = $sce.getTrusted(trustedContext, unescapedText);\n        }\n        var constantInterp = valueFn(unescapedText);\n        constantInterp.exp = text;\n        constantInterp.expressions = [];\n        constantInterp.$$watchDelegate = constantWatchDelegate;\n\n        return constantInterp;\n      }\n\n      allOrNothing = !!allOrNothing;\n      var startIndex,\n          endIndex,\n          index = 0,\n          expressions = [],\n          parseFns,\n          textLength = text.length,\n          exp,\n          concat = [],\n          expressionPositions = [],\n          singleExpression;\n\n\n      while (index < textLength) {\n        if (((startIndex = text.indexOf(startSymbol, index)) !== -1) &&\n             ((endIndex = text.indexOf(endSymbol, startIndex + startSymbolLength)) !== -1)) {\n          if (index !== startIndex) {\n            concat.push(unescapeText(text.substring(index, startIndex)));\n          }\n          exp = text.substring(startIndex + startSymbolLength, endIndex);\n          expressions.push(exp);\n          index = endIndex + endSymbolLength;\n          expressionPositions.push(concat.length);\n          concat.push(''); // Placeholder that will get replaced with the evaluated expression.\n        } else {\n          // we did not find an interpolation, so we have to add the remainder to the separators array\n          if (index !== textLength) {\n            concat.push(unescapeText(text.substring(index)));\n          }\n          break;\n        }\n      }\n\n      singleExpression = concat.length === 1 && expressionPositions.length === 1;\n      // Intercept expression if we need to stringify concatenated inputs, which may be SCE trusted\n      // objects rather than simple strings\n      // (we don't modify the expression if the input consists of only a single trusted input)\n      var interceptor = contextAllowsConcatenation && singleExpression ? undefined : parseStringifyInterceptor;\n      parseFns = expressions.map(function(exp) { return $parse(exp, interceptor); });\n\n      // Concatenating expressions makes it hard to reason about whether some combination of\n      // concatenated values are unsafe to use and could easily lead to XSS.  By requiring that a\n      // single expression be used for some $sce-managed secure contexts (RESOURCE_URLs mostly),\n      // we ensure that the value that's used is assigned or constructed by some JS code somewhere\n      // that is more testable or make it obvious that you bound the value to some user controlled\n      // value.  This helps reduce the load when auditing for XSS issues.\n\n      // Note that URL and MEDIA_URL $sce contexts do not need this, since `$sce` can sanitize the values\n      // passed to it. In that case, `$sce.getTrusted` will be called on either the single expression\n      // or on the overall concatenated string (losing trusted types used in the mix, by design).\n      // Both these methods will sanitize plain strings. Also, HTML could be included, but since it's\n      // only used in srcdoc attributes, this would not be very useful.\n\n      if (!mustHaveExpression || expressions.length) {\n        var compute = function(values) {\n          for (var i = 0, ii = expressions.length; i < ii; i++) {\n            if (allOrNothing && isUndefined(values[i])) return;\n            concat[expressionPositions[i]] = values[i];\n          }\n\n          if (contextAllowsConcatenation) {\n            // If `singleExpression` then `concat[0]` might be a \"trusted\" value or `null`, rather than a string\n            return $sce.getTrusted(trustedContext, singleExpression ? concat[0] : concat.join(''));\n          } else if (trustedContext && concat.length > 1) {\n            // This context does not allow more than one part, e.g. expr + string or exp + exp.\n            $interpolateMinErr.throwNoconcat(text);\n          }\n          // In an unprivileged context or only one part: just concatenate and return.\n          return concat.join('');\n        };\n\n        return extend(function interpolationFn(context) {\n            var i = 0;\n            var ii = expressions.length;\n            var values = new Array(ii);\n\n            try {\n              for (; i < ii; i++) {\n                values[i] = parseFns[i](context);\n              }\n\n              return compute(values);\n            } catch (err) {\n              $exceptionHandler($interpolateMinErr.interr(text, err));\n            }\n\n          }, {\n          // all of these properties are undocumented for now\n          exp: text, //just for compatibility with regular watchers created via $watch\n          expressions: expressions,\n          $$watchDelegate: function(scope, listener) {\n            var lastValue;\n            return scope.$watchGroup(parseFns, /** @this */ function interpolateFnWatcher(values, oldValues) {\n              var currValue = compute(values);\n              listener.call(this, currValue, values !== oldValues ? lastValue : currValue, scope);\n              lastValue = currValue;\n            });\n          }\n        });\n      }\n\n      function parseStringifyInterceptor(value) {\n        try {\n          // In concatenable contexts, getTrusted comes at the end, to avoid sanitizing individual\n          // parts of a full URL. We don't care about losing the trustedness here.\n          // In non-concatenable contexts, where there is only one expression, this interceptor is\n          // not applied to the expression.\n          value = (trustedContext && !contextAllowsConcatenation) ?\n                    $sce.getTrusted(trustedContext, value) :\n                    $sce.valueOf(value);\n          return allOrNothing && !isDefined(value) ? value : stringify(value);\n        } catch (err) {\n          $exceptionHandler($interpolateMinErr.interr(text, err));\n        }\n      }\n    }\n\n\n    /**\n     * @ngdoc method\n     * @name $interpolate#startSymbol\n     * @description\n     * Symbol to denote the start of expression in the interpolated string. Defaults to `{{`.\n     *\n     * Use {@link ng.$interpolateProvider#startSymbol `$interpolateProvider.startSymbol`} to change\n     * the symbol.\n     *\n     * @returns {string} start symbol.\n     */\n    $interpolate.startSymbol = function() {\n      return startSymbol;\n    };\n\n\n    /**\n     * @ngdoc method\n     * @name $interpolate#endSymbol\n     * @description\n     * Symbol to denote the end of expression in the interpolated string. Defaults to `}}`.\n     *\n     * Use {@link ng.$interpolateProvider#endSymbol `$interpolateProvider.endSymbol`} to change\n     * the symbol.\n     *\n     * @returns {string} end symbol.\n     */\n    $interpolate.endSymbol = function() {\n      return endSymbol;\n    };\n\n    return $interpolate;\n  }];\n}\n\nvar $intervalMinErr = minErr('$interval');\n\n/** @this */\nfunction $IntervalProvider() {\n  this.$get = ['$$intervalFactory', '$window',\n       function($$intervalFactory,   $window) {\n    var intervals = {};\n    var setIntervalFn = function(tick, delay, deferred) {\n      var id = $window.setInterval(tick, delay);\n      intervals[id] = deferred;\n      return id;\n    };\n    var clearIntervalFn = function(id) {\n      $window.clearInterval(id);\n      delete intervals[id];\n    };\n\n    /**\n     * @ngdoc service\n     * @name $interval\n     *\n     * @description\n     * AngularJS's wrapper for `window.setInterval`. The `fn` function is executed every `delay`\n     * milliseconds.\n     *\n     * The return value of registering an interval function is a promise. This promise will be\n     * notified upon each tick of the interval, and will be resolved after `count` iterations, or\n     * run indefinitely if `count` is not defined. The value of the notification will be the\n     * number of iterations that have run.\n     * To cancel an interval, call `$interval.cancel(promise)`.\n     *\n     * In tests you can use {@link ngMock.$interval#flush `$interval.flush(millis)`} to\n     * move forward by `millis` milliseconds and trigger any functions scheduled to run in that\n     * time.\n     *\n     * <div class=\"alert alert-warning\">\n     * **Note**: Intervals created by this service must be explicitly destroyed when you are finished\n     * with them.  In particular they are not automatically destroyed when a controller's scope or a\n     * directive's element are destroyed.\n     * You should take this into consideration and make sure to always cancel the interval at the\n     * appropriate moment.  See the example below for more details on how and when to do this.\n     * </div>\n     *\n     * @param {function()} fn A function that should be called repeatedly. If no additional arguments\n     *   are passed (see below), the function is called with the current iteration count.\n     * @param {number} delay Number of milliseconds between each function call.\n     * @param {number=} [count=0] Number of times to repeat. If not set, or 0, will repeat\n     *   indefinitely.\n     * @param {boolean=} [invokeApply=true] If set to `false` skips model dirty checking, otherwise\n     *   will invoke `fn` within the {@link ng.$rootScope.Scope#$apply $apply} block.\n     * @param {...*=} Pass additional parameters to the executed function.\n     * @returns {promise} A promise which will be notified on each iteration. It will resolve once all iterations of the interval complete.\n     *\n     * @example\n     * <example module=\"intervalExample\" name=\"interval-service\">\n     * <file name=\"index.html\">\n     *   <script>\n     *     angular.module('intervalExample', [])\n     *       .controller('ExampleController', ['$scope', '$interval',\n     *         function($scope, $interval) {\n     *           $scope.format = 'M/d/yy h:mm:ss a';\n     *           $scope.blood_1 = 100;\n     *           $scope.blood_2 = 120;\n     *\n     *           var stop;\n     *           $scope.fight = function() {\n     *             // Don't start a new fight if we are already fighting\n     *             if ( angular.isDefined(stop) ) return;\n     *\n     *             stop = $interval(function() {\n     *               if ($scope.blood_1 > 0 && $scope.blood_2 > 0) {\n     *                 $scope.blood_1 = $scope.blood_1 - 3;\n     *                 $scope.blood_2 = $scope.blood_2 - 4;\n     *               } else {\n     *                 $scope.stopFight();\n     *               }\n     *             }, 100);\n     *           };\n     *\n     *           $scope.stopFight = function() {\n     *             if (angular.isDefined(stop)) {\n     *               $interval.cancel(stop);\n     *               stop = undefined;\n     *             }\n     *           };\n     *\n     *           $scope.resetFight = function() {\n     *             $scope.blood_1 = 100;\n     *             $scope.blood_2 = 120;\n     *           };\n     *\n     *           $scope.$on('$destroy', function() {\n     *             // Make sure that the interval is destroyed too\n     *             $scope.stopFight();\n     *           });\n     *         }])\n     *       // Register the 'myCurrentTime' directive factory method.\n     *       // We inject $interval and dateFilter service since the factory method is DI.\n     *       .directive('myCurrentTime', ['$interval', 'dateFilter',\n     *         function($interval, dateFilter) {\n     *           // return the directive link function. (compile function not needed)\n     *           return function(scope, element, attrs) {\n     *             var format,  // date format\n     *                 stopTime; // so that we can cancel the time updates\n     *\n     *             // used to update the UI\n     *             function updateTime() {\n     *               element.text(dateFilter(new Date(), format));\n     *             }\n     *\n     *             // watch the expression, and update the UI on change.\n     *             scope.$watch(attrs.myCurrentTime, function(value) {\n     *               format = value;\n     *               updateTime();\n     *             });\n     *\n     *             stopTime = $interval(updateTime, 1000);\n     *\n     *             // listen on DOM destroy (removal) event, and cancel the next UI update\n     *             // to prevent updating time after the DOM element was removed.\n     *             element.on('$destroy', function() {\n     *               $interval.cancel(stopTime);\n     *             });\n     *           }\n     *         }]);\n     *   </script>\n     *\n     *   <div>\n     *     <div ng-controller=\"ExampleController\">\n     *       <label>Date format: <input ng-model=\"format\"></label> <hr/>\n     *       Current time is: <span my-current-time=\"format\"></span>\n     *       <hr/>\n     *       Blood 1 : <font color='red'>{{blood_1}}</font>\n     *       Blood 2 : <font color='red'>{{blood_2}}</font>\n     *       <button type=\"button\" data-ng-click=\"fight()\">Fight</button>\n     *       <button type=\"button\" data-ng-click=\"stopFight()\">StopFight</button>\n     *       <button type=\"button\" data-ng-click=\"resetFight()\">resetFight</button>\n     *     </div>\n     *   </div>\n     *\n     * </file>\n     * </example>\n     */\n    var interval = $$intervalFactory(setIntervalFn, clearIntervalFn);\n\n    /**\n     * @ngdoc method\n     * @name $interval#cancel\n     *\n     * @description\n     * Cancels a task associated with the `promise`.\n     *\n     * @param {Promise=} promise returned by the `$interval` function.\n     * @returns {boolean} Returns `true` if the task was successfully canceled.\n     */\n    interval.cancel = function(promise) {\n      if (!promise) return false;\n\n      if (!promise.hasOwnProperty('$$intervalId')) {\n        throw $intervalMinErr('badprom',\n            '`$interval.cancel()` called with a promise that was not generated by `$interval()`.');\n      }\n\n      if (!intervals.hasOwnProperty(promise.$$intervalId)) return false;\n\n      var id = promise.$$intervalId;\n      var deferred = intervals[id];\n\n      // Interval cancels should not report an unhandled promise.\n      markQExceptionHandled(deferred.promise);\n      deferred.reject('canceled');\n      clearIntervalFn(id);\n\n      return true;\n    };\n\n    return interval;\n  }];\n}\n\n/** @this */\nfunction $$IntervalFactoryProvider() {\n  this.$get = ['$browser', '$q', '$$q', '$rootScope',\n       function($browser,   $q,   $$q,   $rootScope) {\n    return function intervalFactory(setIntervalFn, clearIntervalFn) {\n      return function intervalFn(fn, delay, count, invokeApply) {\n        var hasParams = arguments.length > 4,\n            args = hasParams ? sliceArgs(arguments, 4) : [],\n            iteration = 0,\n            skipApply = isDefined(invokeApply) && !invokeApply,\n            deferred = (skipApply ? $$q : $q).defer(),\n            promise = deferred.promise;\n\n        count = isDefined(count) ? count : 0;\n\n        function callback() {\n          if (!hasParams) {\n            fn(iteration);\n          } else {\n            fn.apply(null, args);\n          }\n        }\n\n        function tick() {\n          if (skipApply) {\n            $browser.defer(callback);\n          } else {\n            $rootScope.$evalAsync(callback);\n          }\n          deferred.notify(iteration++);\n\n          if (count > 0 && iteration >= count) {\n            deferred.resolve(iteration);\n            clearIntervalFn(promise.$$intervalId);\n          }\n\n          if (!skipApply) $rootScope.$apply();\n        }\n\n        promise.$$intervalId = setIntervalFn(tick, delay, deferred, skipApply);\n\n        return promise;\n      };\n    };\n  }];\n}\n\n/**\n * @ngdoc service\n * @name $jsonpCallbacks\n * @requires $window\n * @description\n * This service handles the lifecycle of callbacks to handle JSONP requests.\n * Override this service if you wish to customise where the callbacks are stored and\n * how they vary compared to the requested url.\n */\nvar $jsonpCallbacksProvider = /** @this */ function() {\n  this.$get = function() {\n    var callbacks = angular.callbacks;\n    var callbackMap = {};\n\n    function createCallback(callbackId) {\n      var callback = function(data) {\n        callback.data = data;\n        callback.called = true;\n      };\n      callback.id = callbackId;\n      return callback;\n    }\n\n    return {\n      /**\n       * @ngdoc method\n       * @name $jsonpCallbacks#createCallback\n       * @param {string} url the url of the JSONP request\n       * @returns {string} the callback path to send to the server as part of the JSONP request\n       * @description\n       * {@link $httpBackend} calls this method to create a callback and get hold of the path to the callback\n       * to pass to the server, which will be used to call the callback with its payload in the JSONP response.\n       */\n      createCallback: function(url) {\n        var callbackId = '_' + (callbacks.$$counter++).toString(36);\n        var callbackPath = 'angular.callbacks.' + callbackId;\n        var callback = createCallback(callbackId);\n        callbackMap[callbackPath] = callbacks[callbackId] = callback;\n        return callbackPath;\n      },\n      /**\n       * @ngdoc method\n       * @name $jsonpCallbacks#wasCalled\n       * @param {string} callbackPath the path to the callback that was sent in the JSONP request\n       * @returns {boolean} whether the callback has been called, as a result of the JSONP response\n       * @description\n       * {@link $httpBackend} calls this method to find out whether the JSONP response actually called the\n       * callback that was passed in the request.\n       */\n      wasCalled: function(callbackPath) {\n        return callbackMap[callbackPath].called;\n      },\n      /**\n       * @ngdoc method\n       * @name $jsonpCallbacks#getResponse\n       * @param {string} callbackPath the path to the callback that was sent in the JSONP request\n       * @returns {*} the data received from the response via the registered callback\n       * @description\n       * {@link $httpBackend} calls this method to get hold of the data that was provided to the callback\n       * in the JSONP response.\n       */\n      getResponse: function(callbackPath) {\n        return callbackMap[callbackPath].data;\n      },\n      /**\n       * @ngdoc method\n       * @name $jsonpCallbacks#removeCallback\n       * @param {string} callbackPath the path to the callback that was sent in the JSONP request\n       * @description\n       * {@link $httpBackend} calls this method to remove the callback after the JSONP request has\n       * completed or timed-out.\n       */\n      removeCallback: function(callbackPath) {\n        var callback = callbackMap[callbackPath];\n        delete callbacks[callback.id];\n        delete callbackMap[callbackPath];\n      }\n    };\n  };\n};\n\n/**\n * @ngdoc service\n * @name $locale\n *\n * @description\n * $locale service provides localization rules for various AngularJS components. As of right now the\n * only public api is:\n *\n * * `id` – `{string}` – locale id formatted as `languageId-countryId` (e.g. `en-us`)\n */\n\n/* global stripHash: true */\n\nvar PATH_MATCH = /^([^?#]*)(\\?([^#]*))?(#(.*))?$/,\n    DEFAULT_PORTS = {'http': 80, 'https': 443, 'ftp': 21};\nvar $locationMinErr = minErr('$location');\n\n\n/**\n * Encode path using encodeUriSegment, ignoring forward slashes\n *\n * @param {string} path Path to encode\n * @returns {string}\n */\nfunction encodePath(path) {\n  var segments = path.split('/'),\n      i = segments.length;\n\n  while (i--) {\n    // decode forward slashes to prevent them from being double encoded\n    segments[i] = encodeUriSegment(segments[i].replace(/%2F/g, '/'));\n  }\n\n  return segments.join('/');\n}\n\nfunction decodePath(path, html5Mode) {\n  var segments = path.split('/'),\n      i = segments.length;\n\n  while (i--) {\n    segments[i] = decodeURIComponent(segments[i]);\n    if (html5Mode) {\n      // encode forward slashes to prevent them from being mistaken for path separators\n      segments[i] = segments[i].replace(/\\//g, '%2F');\n    }\n  }\n\n  return segments.join('/');\n}\n\nfunction normalizePath(pathValue, searchValue, hashValue) {\n  var search = toKeyValue(searchValue),\n    hash = hashValue ? '#' + encodeUriSegment(hashValue) : '',\n    path = encodePath(pathValue);\n\n  return path + (search ? '?' + search : '') + hash;\n}\n\nfunction parseAbsoluteUrl(absoluteUrl, locationObj) {\n  var parsedUrl = urlResolve(absoluteUrl);\n\n  locationObj.$$protocol = parsedUrl.protocol;\n  locationObj.$$host = parsedUrl.hostname;\n  locationObj.$$port = toInt(parsedUrl.port) || DEFAULT_PORTS[parsedUrl.protocol] || null;\n}\n\nvar DOUBLE_SLASH_REGEX = /^\\s*[\\\\/]{2,}/;\nfunction parseAppUrl(url, locationObj, html5Mode) {\n\n  if (DOUBLE_SLASH_REGEX.test(url)) {\n    throw $locationMinErr('badpath', 'Invalid url \"{0}\".', url);\n  }\n\n  var prefixed = (url.charAt(0) !== '/');\n  if (prefixed) {\n    url = '/' + url;\n  }\n  var match = urlResolve(url);\n  var path = prefixed && match.pathname.charAt(0) === '/' ? match.pathname.substring(1) : match.pathname;\n  locationObj.$$path = decodePath(path, html5Mode);\n  locationObj.$$search = parseKeyValue(match.search);\n  locationObj.$$hash = decodeURIComponent(match.hash);\n\n  // make sure path starts with '/';\n  if (locationObj.$$path && locationObj.$$path.charAt(0) !== '/') {\n    locationObj.$$path = '/' + locationObj.$$path;\n  }\n}\n\nfunction startsWith(str, search) {\n  return str.slice(0, search.length) === search;\n}\n\n/**\n *\n * @param {string} base\n * @param {string} url\n * @returns {string} returns text from `url` after `base` or `undefined` if it does not begin with\n *                   the expected string.\n */\nfunction stripBaseUrl(base, url) {\n  if (startsWith(url, base)) {\n    return url.substr(base.length);\n  }\n}\n\nfunction stripHash(url) {\n  var index = url.indexOf('#');\n  return index === -1 ? url : url.substr(0, index);\n}\n\nfunction stripFile(url) {\n  return url.substr(0, stripHash(url).lastIndexOf('/') + 1);\n}\n\n/* return the server only (scheme://host:port) */\nfunction serverBase(url) {\n  return url.substring(0, url.indexOf('/', url.indexOf('//') + 2));\n}\n\n\n/**\n * LocationHtml5Url represents a URL\n * This object is exposed as $location service when HTML5 mode is enabled and supported\n *\n * @constructor\n * @param {string} appBase application base URL\n * @param {string} appBaseNoFile application base URL stripped of any filename\n * @param {string} basePrefix URL path prefix\n */\nfunction LocationHtml5Url(appBase, appBaseNoFile, basePrefix) {\n  this.$$html5 = true;\n  basePrefix = basePrefix || '';\n  parseAbsoluteUrl(appBase, this);\n\n\n  /**\n   * Parse given HTML5 (regular) URL string into properties\n   * @param {string} url HTML5 URL\n   * @private\n   */\n  this.$$parse = function(url) {\n    var pathUrl = stripBaseUrl(appBaseNoFile, url);\n    if (!isString(pathUrl)) {\n      throw $locationMinErr('ipthprfx', 'Invalid url \"{0}\", missing path prefix \"{1}\".', url,\n          appBaseNoFile);\n    }\n\n    parseAppUrl(pathUrl, this, true);\n\n    if (!this.$$path) {\n      this.$$path = '/';\n    }\n\n    this.$$compose();\n  };\n\n  this.$$normalizeUrl = function(url) {\n    return appBaseNoFile + url.substr(1); // first char is always '/'\n  };\n\n  this.$$parseLinkUrl = function(url, relHref) {\n    if (relHref && relHref[0] === '#') {\n      // special case for links to hash fragments:\n      // keep the old url and only replace the hash fragment\n      this.hash(relHref.slice(1));\n      return true;\n    }\n    var appUrl, prevAppUrl;\n    var rewrittenUrl;\n\n\n    if (isDefined(appUrl = stripBaseUrl(appBase, url))) {\n      prevAppUrl = appUrl;\n      if (basePrefix && isDefined(appUrl = stripBaseUrl(basePrefix, appUrl))) {\n        rewrittenUrl = appBaseNoFile + (stripBaseUrl('/', appUrl) || appUrl);\n      } else {\n        rewrittenUrl = appBase + prevAppUrl;\n      }\n    } else if (isDefined(appUrl = stripBaseUrl(appBaseNoFile, url))) {\n      rewrittenUrl = appBaseNoFile + appUrl;\n    } else if (appBaseNoFile === url + '/') {\n      rewrittenUrl = appBaseNoFile;\n    }\n    if (rewrittenUrl) {\n      this.$$parse(rewrittenUrl);\n    }\n    return !!rewrittenUrl;\n  };\n}\n\n\n/**\n * LocationHashbangUrl represents URL\n * This object is exposed as $location service when developer doesn't opt into html5 mode.\n * It also serves as the base class for html5 mode fallback on legacy browsers.\n *\n * @constructor\n * @param {string} appBase application base URL\n * @param {string} appBaseNoFile application base URL stripped of any filename\n * @param {string} hashPrefix hashbang prefix\n */\nfunction LocationHashbangUrl(appBase, appBaseNoFile, hashPrefix) {\n\n  parseAbsoluteUrl(appBase, this);\n\n\n  /**\n   * Parse given hashbang URL into properties\n   * @param {string} url Hashbang URL\n   * @private\n   */\n  this.$$parse = function(url) {\n    var withoutBaseUrl = stripBaseUrl(appBase, url) || stripBaseUrl(appBaseNoFile, url);\n    var withoutHashUrl;\n\n    if (!isUndefined(withoutBaseUrl) && withoutBaseUrl.charAt(0) === '#') {\n\n      // The rest of the URL starts with a hash so we have\n      // got either a hashbang path or a plain hash fragment\n      withoutHashUrl = stripBaseUrl(hashPrefix, withoutBaseUrl);\n      if (isUndefined(withoutHashUrl)) {\n        // There was no hashbang prefix so we just have a hash fragment\n        withoutHashUrl = withoutBaseUrl;\n      }\n\n    } else {\n      // There was no hashbang path nor hash fragment:\n      // If we are in HTML5 mode we use what is left as the path;\n      // Otherwise we ignore what is left\n      if (this.$$html5) {\n        withoutHashUrl = withoutBaseUrl;\n      } else {\n        withoutHashUrl = '';\n        if (isUndefined(withoutBaseUrl)) {\n          appBase = url;\n          /** @type {?} */ (this).replace();\n        }\n      }\n    }\n\n    parseAppUrl(withoutHashUrl, this, false);\n\n    this.$$path = removeWindowsDriveName(this.$$path, withoutHashUrl, appBase);\n\n    this.$$compose();\n\n    /*\n     * In Windows, on an anchor node on documents loaded from\n     * the filesystem, the browser will return a pathname\n     * prefixed with the drive name ('/C:/path') when a\n     * pathname without a drive is set:\n     *  * a.setAttribute('href', '/foo')\n     *   * a.pathname === '/C:/foo' //true\n     *\n     * Inside of AngularJS, we're always using pathnames that\n     * do not include drive names for routing.\n     */\n    function removeWindowsDriveName(path, url, base) {\n      /*\n      Matches paths for file protocol on windows,\n      such as /C:/foo/bar, and captures only /foo/bar.\n      */\n      var windowsFilePathExp = /^\\/[A-Z]:(\\/.*)/;\n\n      var firstPathSegmentMatch;\n\n      //Get the relative path from the input URL.\n      if (startsWith(url, base)) {\n        url = url.replace(base, '');\n      }\n\n      // The input URL intentionally contains a first path segment that ends with a colon.\n      if (windowsFilePathExp.exec(url)) {\n        return path;\n      }\n\n      firstPathSegmentMatch = windowsFilePathExp.exec(path);\n      return firstPathSegmentMatch ? firstPathSegmentMatch[1] : path;\n    }\n  };\n\n  this.$$normalizeUrl = function(url) {\n    return appBase + (url ? hashPrefix + url : '');\n  };\n\n  this.$$parseLinkUrl = function(url, relHref) {\n    if (stripHash(appBase) === stripHash(url)) {\n      this.$$parse(url);\n      return true;\n    }\n    return false;\n  };\n}\n\n\n/**\n * LocationHashbangUrl represents URL\n * This object is exposed as $location service when html5 history api is enabled but the browser\n * does not support it.\n *\n * @constructor\n * @param {string} appBase application base URL\n * @param {string} appBaseNoFile application base URL stripped of any filename\n * @param {string} hashPrefix hashbang prefix\n */\nfunction LocationHashbangInHtml5Url(appBase, appBaseNoFile, hashPrefix) {\n  this.$$html5 = true;\n  LocationHashbangUrl.apply(this, arguments);\n\n  this.$$parseLinkUrl = function(url, relHref) {\n    if (relHref && relHref[0] === '#') {\n      // special case for links to hash fragments:\n      // keep the old url and only replace the hash fragment\n      this.hash(relHref.slice(1));\n      return true;\n    }\n\n    var rewrittenUrl;\n    var appUrl;\n\n    if (appBase === stripHash(url)) {\n      rewrittenUrl = url;\n    } else if ((appUrl = stripBaseUrl(appBaseNoFile, url))) {\n      rewrittenUrl = appBase + hashPrefix + appUrl;\n    } else if (appBaseNoFile === url + '/') {\n      rewrittenUrl = appBaseNoFile;\n    }\n    if (rewrittenUrl) {\n      this.$$parse(rewrittenUrl);\n    }\n    return !!rewrittenUrl;\n  };\n\n  this.$$normalizeUrl = function(url) {\n    // include hashPrefix in $$absUrl when $$url is empty so IE9 does not reload page because of removal of '#'\n    return appBase + hashPrefix + url;\n  };\n}\n\n\nvar locationPrototype = {\n\n  /**\n   * Ensure absolute URL is initialized.\n   * @private\n   */\n  $$absUrl:'',\n\n  /**\n   * Are we in html5 mode?\n   * @private\n   */\n  $$html5: false,\n\n  /**\n   * Has any change been replacing?\n   * @private\n   */\n  $$replace: false,\n\n  /**\n   * Compose url and update `url` and `absUrl` property\n   * @private\n   */\n  $$compose: function() {\n    this.$$url = normalizePath(this.$$path, this.$$search, this.$$hash);\n    this.$$absUrl = this.$$normalizeUrl(this.$$url);\n    this.$$urlUpdatedByLocation = true;\n  },\n\n  /**\n   * @ngdoc method\n   * @name $location#absUrl\n   *\n   * @description\n   * This method is getter only.\n   *\n   * Return full URL representation with all segments encoded according to rules specified in\n   * [RFC 3986](http://www.ietf.org/rfc/rfc3986.txt).\n   *\n   *\n   * ```js\n   * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo\n   * var absUrl = $location.absUrl();\n   * // => \"http://example.com/#/some/path?foo=bar&baz=xoxo\"\n   * ```\n   *\n   * @return {string} full URL\n   */\n  absUrl: locationGetter('$$absUrl'),\n\n  /**\n   * @ngdoc method\n   * @name $location#url\n   *\n   * @description\n   * This method is getter / setter.\n   *\n   * Return URL (e.g. `/path?a=b#hash`) when called without any parameter.\n   *\n   * Change path, search and hash, when called with parameter and return `$location`.\n   *\n   *\n   * ```js\n   * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo\n   * var url = $location.url();\n   * // => \"/some/path?foo=bar&baz=xoxo\"\n   * ```\n   *\n   * @param {string=} url New URL without base prefix (e.g. `/path?a=b#hash`)\n   * @return {string} url\n   */\n  url: function(url) {\n    if (isUndefined(url)) {\n      return this.$$url;\n    }\n\n    var match = PATH_MATCH.exec(url);\n    if (match[1] || url === '') this.path(decodeURIComponent(match[1]));\n    if (match[2] || match[1] || url === '') this.search(match[3] || '');\n    this.hash(match[5] || '');\n\n    return this;\n  },\n\n  /**\n   * @ngdoc method\n   * @name $location#protocol\n   *\n   * @description\n   * This method is getter only.\n   *\n   * Return protocol of current URL.\n   *\n   *\n   * ```js\n   * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo\n   * var protocol = $location.protocol();\n   * // => \"http\"\n   * ```\n   *\n   * @return {string} protocol of current URL\n   */\n  protocol: locationGetter('$$protocol'),\n\n  /**\n   * @ngdoc method\n   * @name $location#host\n   *\n   * @description\n   * This method is getter only.\n   *\n   * Return host of current URL.\n   *\n   * Note: compared to the non-AngularJS version `location.host` which returns `hostname:port`, this returns the `hostname` portion only.\n   *\n   *\n   * ```js\n   * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo\n   * var host = $location.host();\n   * // => \"example.com\"\n   *\n   * // given URL http://user:password@example.com:8080/#/some/path?foo=bar&baz=xoxo\n   * host = $location.host();\n   * // => \"example.com\"\n   * host = location.host;\n   * // => \"example.com:8080\"\n   * ```\n   *\n   * @return {string} host of current URL.\n   */\n  host: locationGetter('$$host'),\n\n  /**\n   * @ngdoc method\n   * @name $location#port\n   *\n   * @description\n   * This method is getter only.\n   *\n   * Return port of current URL.\n   *\n   *\n   * ```js\n   * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo\n   * var port = $location.port();\n   * // => 80\n   * ```\n   *\n   * @return {Number} port\n   */\n  port: locationGetter('$$port'),\n\n  /**\n   * @ngdoc method\n   * @name $location#path\n   *\n   * @description\n   * This method is getter / setter.\n   *\n   * Return path of current URL when called without any parameter.\n   *\n   * Change path when called with parameter and return `$location`.\n   *\n   * Note: Path should always begin with forward slash (/), this method will add the forward slash\n   * if it is missing.\n   *\n   *\n   * ```js\n   * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo\n   * var path = $location.path();\n   * // => \"/some/path\"\n   * ```\n   *\n   * @param {(string|number)=} path New path\n   * @return {(string|object)} path if called with no parameters, or `$location` if called with a parameter\n   */\n  path: locationGetterSetter('$$path', function(path) {\n    path = path !== null ? path.toString() : '';\n    return path.charAt(0) === '/' ? path : '/' + path;\n  }),\n\n  /**\n   * @ngdoc method\n   * @name $location#search\n   *\n   * @description\n   * This method is getter / setter.\n   *\n   * Return search part (as object) of current URL when called without any parameter.\n   *\n   * Change search part when called with parameter and return `$location`.\n   *\n   *\n   * ```js\n   * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo\n   * var searchObject = $location.search();\n   * // => {foo: 'bar', baz: 'xoxo'}\n   *\n   * // set foo to 'yipee'\n   * $location.search('foo', 'yipee');\n   * // $location.search() => {foo: 'yipee', baz: 'xoxo'}\n   * ```\n   *\n   * @param {string|Object.<string>|Object.<Array.<string>>} search New search params - string or\n   * hash object.\n   *\n   * When called with a single argument the method acts as a setter, setting the `search` component\n   * of `$location` to the specified value.\n   *\n   * If the argument is a hash object containing an array of values, these values will be encoded\n   * as duplicate search parameters in the URL.\n   *\n   * @param {(string|Number|Array<string>|boolean)=} paramValue If `search` is a string or number, then `paramValue`\n   * will override only a single search property.\n   *\n   * If `paramValue` is an array, it will override the property of the `search` component of\n   * `$location` specified via the first argument.\n   *\n   * If `paramValue` is `null`, the property specified via the first argument will be deleted.\n   *\n   * If `paramValue` is `true`, the property specified via the first argument will be added with no\n   * value nor trailing equal sign.\n   *\n   * @return {Object} If called with no arguments returns the parsed `search` object. If called with\n   * one or more arguments returns `$location` object itself.\n   */\n  search: function(search, paramValue) {\n    switch (arguments.length) {\n      case 0:\n        return this.$$search;\n      case 1:\n        if (isString(search) || isNumber(search)) {\n          search = search.toString();\n          this.$$search = parseKeyValue(search);\n        } else if (isObject(search)) {\n          search = copy(search, {});\n          // remove object undefined or null properties\n          forEach(search, function(value, key) {\n            if (value == null) delete search[key];\n          });\n\n          this.$$search = search;\n        } else {\n          throw $locationMinErr('isrcharg',\n              'The first argument of the `$location#search()` call must be a string or an object.');\n        }\n        break;\n      default:\n        if (isUndefined(paramValue) || paramValue === null) {\n          delete this.$$search[search];\n        } else {\n          this.$$search[search] = paramValue;\n        }\n    }\n\n    this.$$compose();\n    return this;\n  },\n\n  /**\n   * @ngdoc method\n   * @name $location#hash\n   *\n   * @description\n   * This method is getter / setter.\n   *\n   * Returns the hash fragment when called without any parameters.\n   *\n   * Changes the hash fragment when called with a parameter and returns `$location`.\n   *\n   *\n   * ```js\n   * // given URL http://example.com/#/some/path?foo=bar&baz=xoxo#hashValue\n   * var hash = $location.hash();\n   * // => \"hashValue\"\n   * ```\n   *\n   * @param {(string|number)=} hash New hash fragment\n   * @return {string} hash\n   */\n  hash: locationGetterSetter('$$hash', function(hash) {\n    return hash !== null ? hash.toString() : '';\n  }),\n\n  /**\n   * @ngdoc method\n   * @name $location#replace\n   *\n   * @description\n   * If called, all changes to $location during the current `$digest` will replace the current history\n   * record, instead of adding a new one.\n   */\n  replace: function() {\n    this.$$replace = true;\n    return this;\n  }\n};\n\nforEach([LocationHashbangInHtml5Url, LocationHashbangUrl, LocationHtml5Url], function(Location) {\n  Location.prototype = Object.create(locationPrototype);\n\n  /**\n   * @ngdoc method\n   * @name $location#state\n   *\n   * @description\n   * This method is getter / setter.\n   *\n   * Return the history state object when called without any parameter.\n   *\n   * Change the history state object when called with one parameter and return `$location`.\n   * The state object is later passed to `pushState` or `replaceState`.\n   *\n   * NOTE: This method is supported only in HTML5 mode and only in browsers supporting\n   * the HTML5 History API (i.e. methods `pushState` and `replaceState`). If you need to support\n   * older browsers (like IE9 or Android < 4.0), don't use this method.\n   *\n   * @param {object=} state State object for pushState or replaceState\n   * @return {object} state\n   */\n  Location.prototype.state = function(state) {\n    if (!arguments.length) {\n      return this.$$state;\n    }\n\n    if (Location !== LocationHtml5Url || !this.$$html5) {\n      throw $locationMinErr('nostate', 'History API state support is available only ' +\n        'in HTML5 mode and only in browsers supporting HTML5 History API');\n    }\n    // The user might modify `stateObject` after invoking `$location.state(stateObject)`\n    // but we're changing the $$state reference to $browser.state() during the $digest\n    // so the modification window is narrow.\n    this.$$state = isUndefined(state) ? null : state;\n    this.$$urlUpdatedByLocation = true;\n\n    return this;\n  };\n});\n\n\nfunction locationGetter(property) {\n  return /** @this */ function() {\n    return this[property];\n  };\n}\n\n\nfunction locationGetterSetter(property, preprocess) {\n  return /** @this */ function(value) {\n    if (isUndefined(value)) {\n      return this[property];\n    }\n\n    this[property] = preprocess(value);\n    this.$$compose();\n\n    return this;\n  };\n}\n\n\n/**\n * @ngdoc service\n * @name $location\n *\n * @requires $rootElement\n *\n * @description\n * The $location service parses the URL in the browser address bar (based on the\n * [window.location](https://developer.mozilla.org/en/window.location)) and makes the URL\n * available to your application. Changes to the URL in the address bar are reflected into\n * $location service and changes to $location are reflected into the browser address bar.\n *\n * **The $location service:**\n *\n * - Exposes the current URL in the browser address bar, so you can\n *   - Watch and observe the URL.\n *   - Change the URL.\n * - Synchronizes the URL with the browser when the user\n *   - Changes the address bar.\n *   - Clicks the back or forward button (or clicks a History link).\n *   - Clicks on a link.\n * - Represents the URL object as a set of methods (protocol, host, port, path, search, hash).\n *\n * For more information see {@link guide/$location Developer Guide: Using $location}\n */\n\n/**\n * @ngdoc provider\n * @name $locationProvider\n * @this\n *\n * @description\n * Use the `$locationProvider` to configure how the application deep linking paths are stored.\n */\nfunction $LocationProvider() {\n  var hashPrefix = '!',\n      html5Mode = {\n        enabled: false,\n        requireBase: true,\n        rewriteLinks: true\n      };\n\n  /**\n   * @ngdoc method\n   * @name $locationProvider#hashPrefix\n   * @description\n   * The default value for the prefix is `'!'`.\n   * @param {string=} prefix Prefix for hash part (containing path and search)\n   * @returns {*} current value if used as getter or itself (chaining) if used as setter\n   */\n  this.hashPrefix = function(prefix) {\n    if (isDefined(prefix)) {\n      hashPrefix = prefix;\n      return this;\n    } else {\n      return hashPrefix;\n    }\n  };\n\n  /**\n   * @ngdoc method\n   * @name $locationProvider#html5Mode\n   * @description\n   * @param {(boolean|Object)=} mode If boolean, sets `html5Mode.enabled` to value.\n   *   If object, sets `enabled`, `requireBase` and `rewriteLinks` to respective values. Supported\n   *   properties:\n   *   - **enabled** – `{boolean}` – (default: false) If true, will rely on `history.pushState` to\n   *     change urls where supported. Will fall back to hash-prefixed paths in browsers that do not\n   *     support `pushState`.\n   *   - **requireBase** - `{boolean}` - (default: `true`) When html5Mode is enabled, specifies\n   *     whether or not a <base> tag is required to be present. If `enabled` and `requireBase` are\n   *     true, and a base tag is not present, an error will be thrown when `$location` is injected.\n   *     See the {@link guide/$location $location guide for more information}\n   *   - **rewriteLinks** - `{boolean|string}` - (default: `true`) When html5Mode is enabled,\n   *     enables/disables URL rewriting for relative links. If set to a string, URL rewriting will\n   *     only happen on links with an attribute that matches the given string. For example, if set\n   *     to `'internal-link'`, then the URL will only be rewritten for `<a internal-link>` links.\n   *     Note that [attribute name normalization](guide/directive#normalization) does not apply\n   *     here, so `'internalLink'` will **not** match `'internal-link'`.\n   *\n   * @returns {Object} html5Mode object if used as getter or itself (chaining) if used as setter\n   */\n  this.html5Mode = function(mode) {\n    if (isBoolean(mode)) {\n      html5Mode.enabled = mode;\n      return this;\n    } else if (isObject(mode)) {\n\n      if (isBoolean(mode.enabled)) {\n        html5Mode.enabled = mode.enabled;\n      }\n\n      if (isBoolean(mode.requireBase)) {\n        html5Mode.requireBase = mode.requireBase;\n      }\n\n      if (isBoolean(mode.rewriteLinks) || isString(mode.rewriteLinks)) {\n        html5Mode.rewriteLinks = mode.rewriteLinks;\n      }\n\n      return this;\n    } else {\n      return html5Mode;\n    }\n  };\n\n  /**\n   * @ngdoc event\n   * @name $location#$locationChangeStart\n   * @eventType broadcast on root scope\n   * @description\n   * Broadcasted before a URL will change.\n   *\n   * This change can be prevented by calling\n   * `preventDefault` method of the event. See {@link ng.$rootScope.Scope#$on} for more\n   * details about event object. Upon successful change\n   * {@link ng.$location#$locationChangeSuccess $locationChangeSuccess} is fired.\n   *\n   * The `newState` and `oldState` parameters may be defined only in HTML5 mode and when\n   * the browser supports the HTML5 History API.\n   *\n   * @param {Object} angularEvent Synthetic event object.\n   * @param {string} newUrl New URL\n   * @param {string=} oldUrl URL that was before it was changed.\n   * @param {string=} newState New history state object\n   * @param {string=} oldState History state object that was before it was changed.\n   */\n\n  /**\n   * @ngdoc event\n   * @name $location#$locationChangeSuccess\n   * @eventType broadcast on root scope\n   * @description\n   * Broadcasted after a URL was changed.\n   *\n   * The `newState` and `oldState` parameters may be defined only in HTML5 mode and when\n   * the browser supports the HTML5 History API.\n   *\n   * @param {Object} angularEvent Synthetic event object.\n   * @param {string} newUrl New URL\n   * @param {string=} oldUrl URL that was before it was changed.\n   * @param {string=} newState New history state object\n   * @param {string=} oldState History state object that was before it was changed.\n   */\n\n  this.$get = ['$rootScope', '$browser', '$sniffer', '$rootElement', '$window',\n      function($rootScope, $browser, $sniffer, $rootElement, $window) {\n    var $location,\n        LocationMode,\n        baseHref = $browser.baseHref(), // if base[href] is undefined, it defaults to ''\n        initialUrl = $browser.url(),\n        appBase;\n\n    if (html5Mode.enabled) {\n      if (!baseHref && html5Mode.requireBase) {\n        throw $locationMinErr('nobase',\n          '$location in HTML5 mode requires a <base> tag to be present!');\n      }\n      appBase = serverBase(initialUrl) + (baseHref || '/');\n      LocationMode = $sniffer.history ? LocationHtml5Url : LocationHashbangInHtml5Url;\n    } else {\n      appBase = stripHash(initialUrl);\n      LocationMode = LocationHashbangUrl;\n    }\n    var appBaseNoFile = stripFile(appBase);\n\n    $location = new LocationMode(appBase, appBaseNoFile, '#' + hashPrefix);\n    $location.$$parseLinkUrl(initialUrl, initialUrl);\n\n    $location.$$state = $browser.state();\n\n    var IGNORE_URI_REGEXP = /^\\s*(javascript|mailto):/i;\n\n    // Determine if two URLs are equal despite potentially having different encoding/normalizing\n    //  such as $location.absUrl() vs $browser.url()\n    // See https://github.com/angular/angular.js/issues/16592\n    function urlsEqual(a, b) {\n      return a === b || urlResolve(a).href === urlResolve(b).href;\n    }\n\n    function setBrowserUrlWithFallback(url, replace, state) {\n      var oldUrl = $location.url();\n      var oldState = $location.$$state;\n      try {\n        $browser.url(url, replace, state);\n\n        // Make sure $location.state() returns referentially identical (not just deeply equal)\n        // state object; this makes possible quick checking if the state changed in the digest\n        // loop. Checking deep equality would be too expensive.\n        $location.$$state = $browser.state();\n      } catch (e) {\n        // Restore old values if pushState fails\n        $location.url(oldUrl);\n        $location.$$state = oldState;\n\n        throw e;\n      }\n    }\n\n    $rootElement.on('click', function(event) {\n      var rewriteLinks = html5Mode.rewriteLinks;\n      // TODO(vojta): rewrite link when opening in new tab/window (in legacy browser)\n      // currently we open nice url link and redirect then\n\n      if (!rewriteLinks || event.ctrlKey || event.metaKey || event.shiftKey || event.which === 2 || event.button === 2) return;\n\n      var elm = jqLite(event.target);\n\n      // traverse the DOM up to find first A tag\n      while (nodeName_(elm[0]) !== 'a') {\n        // ignore rewriting if no A tag (reached root element, or no parent - removed from document)\n        if (elm[0] === $rootElement[0] || !(elm = elm.parent())[0]) return;\n      }\n\n      if (isString(rewriteLinks) && isUndefined(elm.attr(rewriteLinks))) return;\n\n      var absHref = elm.prop('href');\n      // get the actual href attribute - see\n      // http://msdn.microsoft.com/en-us/library/ie/dd347148(v=vs.85).aspx\n      var relHref = elm.attr('href') || elm.attr('xlink:href');\n\n      if (isObject(absHref) && absHref.toString() === '[object SVGAnimatedString]') {\n        // SVGAnimatedString.animVal should be identical to SVGAnimatedString.baseVal, unless during\n        // an animation.\n        absHref = urlResolve(absHref.animVal).href;\n      }\n\n      // Ignore when url is started with javascript: or mailto:\n      if (IGNORE_URI_REGEXP.test(absHref)) return;\n\n      if (absHref && !elm.attr('target') && !event.isDefaultPrevented()) {\n        if ($location.$$parseLinkUrl(absHref, relHref)) {\n          // We do a preventDefault for all urls that are part of the AngularJS application,\n          // in html5mode and also without, so that we are able to abort navigation without\n          // getting double entries in the location history.\n          event.preventDefault();\n          // update location manually\n          if ($location.absUrl() !== $browser.url()) {\n            $rootScope.$apply();\n          }\n        }\n      }\n    });\n\n\n    // rewrite hashbang url <> html5 url\n    if ($location.absUrl() !== initialUrl) {\n      $browser.url($location.absUrl(), true);\n    }\n\n    var initializing = true;\n\n    // update $location when $browser url changes\n    $browser.onUrlChange(function(newUrl, newState) {\n\n      if (!startsWith(newUrl, appBaseNoFile)) {\n        // If we are navigating outside of the app then force a reload\n        $window.location.href = newUrl;\n        return;\n      }\n\n      $rootScope.$evalAsync(function() {\n        var oldUrl = $location.absUrl();\n        var oldState = $location.$$state;\n        var defaultPrevented;\n        $location.$$parse(newUrl);\n        $location.$$state = newState;\n\n        defaultPrevented = $rootScope.$broadcast('$locationChangeStart', newUrl, oldUrl,\n            newState, oldState).defaultPrevented;\n\n        // if the location was changed by a `$locationChangeStart` handler then stop\n        // processing this location change\n        if ($location.absUrl() !== newUrl) return;\n\n        if (defaultPrevented) {\n          $location.$$parse(oldUrl);\n          $location.$$state = oldState;\n          setBrowserUrlWithFallback(oldUrl, false, oldState);\n        } else {\n          initializing = false;\n          afterLocationChange(oldUrl, oldState);\n        }\n      });\n      if (!$rootScope.$$phase) $rootScope.$digest();\n    });\n\n    // update browser\n    $rootScope.$watch(function $locationWatch() {\n      if (initializing || $location.$$urlUpdatedByLocation) {\n        $location.$$urlUpdatedByLocation = false;\n\n        var oldUrl = $browser.url();\n        var newUrl = $location.absUrl();\n        var oldState = $browser.state();\n        var currentReplace = $location.$$replace;\n        var urlOrStateChanged = !urlsEqual(oldUrl, newUrl) ||\n          ($location.$$html5 && $sniffer.history && oldState !== $location.$$state);\n\n        if (initializing || urlOrStateChanged) {\n          initializing = false;\n\n          $rootScope.$evalAsync(function() {\n            var newUrl = $location.absUrl();\n            var defaultPrevented = $rootScope.$broadcast('$locationChangeStart', newUrl, oldUrl,\n                $location.$$state, oldState).defaultPrevented;\n\n            // if the location was changed by a `$locationChangeStart` handler then stop\n            // processing this location change\n            if ($location.absUrl() !== newUrl) return;\n\n            if (defaultPrevented) {\n              $location.$$parse(oldUrl);\n              $location.$$state = oldState;\n            } else {\n              if (urlOrStateChanged) {\n                setBrowserUrlWithFallback(newUrl, currentReplace,\n                                          oldState === $location.$$state ? null : $location.$$state);\n              }\n              afterLocationChange(oldUrl, oldState);\n            }\n          });\n        }\n      }\n\n      $location.$$replace = false;\n\n      // we don't need to return anything because $evalAsync will make the digest loop dirty when\n      // there is a change\n    });\n\n    return $location;\n\n    function afterLocationChange(oldUrl, oldState) {\n      $rootScope.$broadcast('$locationChangeSuccess', $location.absUrl(), oldUrl,\n        $location.$$state, oldState);\n    }\n}];\n}\n\n/**\n * @ngdoc service\n * @name $log\n * @requires $window\n *\n * @description\n * Simple service for logging. Default implementation safely writes the message\n * into the browser's console (if present).\n *\n * The main purpose of this service is to simplify debugging and troubleshooting.\n *\n * To reveal the location of the calls to `$log` in the JavaScript console,\n * you can \"blackbox\" the AngularJS source in your browser:\n *\n * [Mozilla description of blackboxing](https://developer.mozilla.org/en-US/docs/Tools/Debugger/How_to/Black_box_a_source).\n * [Chrome description of blackboxing](https://developer.chrome.com/devtools/docs/blackboxing).\n *\n * Note: Not all browsers support blackboxing.\n *\n * The default is to log `debug` messages. You can use\n * {@link ng.$logProvider ng.$logProvider#debugEnabled} to change this.\n *\n * @example\n   <example module=\"logExample\" name=\"log-service\">\n     <file name=\"script.js\">\n       angular.module('logExample', [])\n         .controller('LogController', ['$scope', '$log', function($scope, $log) {\n           $scope.$log = $log;\n           $scope.message = 'Hello World!';\n         }]);\n     </file>\n     <file name=\"index.html\">\n       <div ng-controller=\"LogController\">\n         <p>Reload this page with open console, enter text and hit the log button...</p>\n         <label>Message:\n         <input type=\"text\" ng-model=\"message\" /></label>\n         <button ng-click=\"$log.log(message)\">log</button>\n         <button ng-click=\"$log.warn(message)\">warn</button>\n         <button ng-click=\"$log.info(message)\">info</button>\n         <button ng-click=\"$log.error(message)\">error</button>\n         <button ng-click=\"$log.debug(message)\">debug</button>\n       </div>\n     </file>\n   </example>\n */\n\n/**\n * @ngdoc provider\n * @name $logProvider\n * @this\n *\n * @description\n * Use the `$logProvider` to configure how the application logs messages\n */\nfunction $LogProvider() {\n  var debug = true,\n      self = this;\n\n  /**\n   * @ngdoc method\n   * @name $logProvider#debugEnabled\n   * @description\n   * @param {boolean=} flag enable or disable debug level messages\n   * @returns {*} current value if used as getter or itself (chaining) if used as setter\n   */\n  this.debugEnabled = function(flag) {\n    if (isDefined(flag)) {\n      debug = flag;\n      return this;\n    } else {\n      return debug;\n    }\n  };\n\n  this.$get = ['$window', function($window) {\n    // Support: IE 9-11, Edge 12-14+\n    // IE/Edge display errors in such a way that it requires the user to click in 4 places\n    // to see the stack trace. There is no way to feature-detect it so there's a chance\n    // of the user agent sniffing to go wrong but since it's only about logging, this shouldn't\n    // break apps. Other browsers display errors in a sensible way and some of them map stack\n    // traces along source maps if available so it makes sense to let browsers display it\n    // as they want.\n    var formatStackTrace = msie || /\\bEdge\\//.test($window.navigator && $window.navigator.userAgent);\n\n    return {\n      /**\n       * @ngdoc method\n       * @name $log#log\n       *\n       * @description\n       * Write a log message\n       */\n      log: consoleLog('log'),\n\n      /**\n       * @ngdoc method\n       * @name $log#info\n       *\n       * @description\n       * Write an information message\n       */\n      info: consoleLog('info'),\n\n      /**\n       * @ngdoc method\n       * @name $log#warn\n       *\n       * @description\n       * Write a warning message\n       */\n      warn: consoleLog('warn'),\n\n      /**\n       * @ngdoc method\n       * @name $log#error\n       *\n       * @description\n       * Write an error message\n       */\n      error: consoleLog('error'),\n\n      /**\n       * @ngdoc method\n       * @name $log#debug\n       *\n       * @description\n       * Write a debug message\n       */\n      debug: (function() {\n        var fn = consoleLog('debug');\n\n        return function() {\n          if (debug) {\n            fn.apply(self, arguments);\n          }\n        };\n      })()\n    };\n\n    function formatError(arg) {\n      if (isError(arg)) {\n        if (arg.stack && formatStackTrace) {\n          arg = (arg.message && arg.stack.indexOf(arg.message) === -1)\n              ? 'Error: ' + arg.message + '\\n' + arg.stack\n              : arg.stack;\n        } else if (arg.sourceURL) {\n          arg = arg.message + '\\n' + arg.sourceURL + ':' + arg.line;\n        }\n      }\n      return arg;\n    }\n\n    function consoleLog(type) {\n      var console = $window.console || {},\n          logFn = console[type] || console.log || noop;\n\n      return function() {\n        var args = [];\n        forEach(arguments, function(arg) {\n          args.push(formatError(arg));\n        });\n        // Support: IE 9 only\n        // console methods don't inherit from Function.prototype in IE 9 so we can't\n        // call `logFn.apply(console, args)` directly.\n        return Function.prototype.apply.call(logFn, console, args);\n      };\n    }\n  }];\n}\n\n/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n *     Any commits to this file should be reviewed with security in mind.  *\n *   Changes to this file can potentially create security vulnerabilities. *\n *          An approval from 2 Core members with history of modifying      *\n *                         this file is required.                          *\n *                                                                         *\n *  Does the change somehow allow for arbitrary javascript to be executed? *\n *    Or allows for someone to change the prototype of built-in objects?   *\n *     Or gives undesired access to variables likes document or window?    *\n * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */\n\nvar $parseMinErr = minErr('$parse');\n\nvar objectValueOf = {}.constructor.prototype.valueOf;\n\n// Sandboxing AngularJS Expressions\n// ------------------------------\n// AngularJS expressions are no longer sandboxed. So it is now even easier to access arbitrary JS code by\n// various means such as obtaining a reference to native JS functions like the Function constructor.\n//\n// As an example, consider the following AngularJS expression:\n//\n//   {}.toString.constructor('alert(\"evil JS code\")')\n//\n// It is important to realize that if you create an expression from a string that contains user provided\n// content then it is possible that your application contains a security vulnerability to an XSS style attack.\n//\n// See https://docs.angularjs.org/guide/security\n\n\nfunction getStringValue(name) {\n  // Property names must be strings. This means that non-string objects cannot be used\n  // as keys in an object. Any non-string object, including a number, is typecasted\n  // into a string via the toString method.\n  // -- MDN, https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Operators/Property_accessors#Property_names\n  //\n  // So, to ensure that we are checking the same `name` that JavaScript would use, we cast it\n  // to a string. It's not always possible. If `name` is an object and its `toString` method is\n  // 'broken' (doesn't return a string, isn't a function, etc.), an error will be thrown:\n  //\n  // TypeError: Cannot convert object to primitive value\n  //\n  // For performance reasons, we don't catch this error here and allow it to propagate up the call\n  // stack. Note that you'll get the same error in JavaScript if you try to access a property using\n  // such a 'broken' object as a key.\n  return name + '';\n}\n\n\nvar OPERATORS = createMap();\nforEach('+ - * / % === !== == != < > <= >= && || ! = |'.split(' '), function(operator) { OPERATORS[operator] = true; });\nvar ESCAPE = {'n':'\\n', 'f':'\\f', 'r':'\\r', 't':'\\t', 'v':'\\v', '\\'':'\\'', '\"':'\"'};\n\n\n/////////////////////////////////////////\n\n\n/**\n * @constructor\n */\nvar Lexer = function Lexer(options) {\n  this.options = options;\n};\n\nLexer.prototype = {\n  constructor: Lexer,\n\n  lex: function(text) {\n    this.text = text;\n    this.index = 0;\n    this.tokens = [];\n\n    while (this.index < this.text.length) {\n      var ch = this.text.charAt(this.index);\n      if (ch === '\"' || ch === '\\'') {\n        this.readString(ch);\n      } else if (this.isNumber(ch) || ch === '.' && this.isNumber(this.peek())) {\n        this.readNumber();\n      } else if (this.isIdentifierStart(this.peekMultichar())) {\n        this.readIdent();\n      } else if (this.is(ch, '(){}[].,;:?')) {\n        this.tokens.push({index: this.index, text: ch});\n        this.index++;\n      } else if (this.isWhitespace(ch)) {\n        this.index++;\n      } else {\n        var ch2 = ch + this.peek();\n        var ch3 = ch2 + this.peek(2);\n        var op1 = OPERATORS[ch];\n        var op2 = OPERATORS[ch2];\n        var op3 = OPERATORS[ch3];\n        if (op1 || op2 || op3) {\n          var token = op3 ? ch3 : (op2 ? ch2 : ch);\n          this.tokens.push({index: this.index, text: token, operator: true});\n          this.index += token.length;\n        } else {\n          this.throwError('Unexpected next character ', this.index, this.index + 1);\n        }\n      }\n    }\n    return this.tokens;\n  },\n\n  is: function(ch, chars) {\n    return chars.indexOf(ch) !== -1;\n  },\n\n  peek: function(i) {\n    var num = i || 1;\n    return (this.index + num < this.text.length) ? this.text.charAt(this.index + num) : false;\n  },\n\n  isNumber: function(ch) {\n    return ('0' <= ch && ch <= '9') && typeof ch === 'string';\n  },\n\n  isWhitespace: function(ch) {\n    // IE treats non-breaking space as \\u00A0\n    return (ch === ' ' || ch === '\\r' || ch === '\\t' ||\n            ch === '\\n' || ch === '\\v' || ch === '\\u00A0');\n  },\n\n  isIdentifierStart: function(ch) {\n    return this.options.isIdentifierStart ?\n        this.options.isIdentifierStart(ch, this.codePointAt(ch)) :\n        this.isValidIdentifierStart(ch);\n  },\n\n  isValidIdentifierStart: function(ch) {\n    return ('a' <= ch && ch <= 'z' ||\n            'A' <= ch && ch <= 'Z' ||\n            '_' === ch || ch === '$');\n  },\n\n  isIdentifierContinue: function(ch) {\n    return this.options.isIdentifierContinue ?\n        this.options.isIdentifierContinue(ch, this.codePointAt(ch)) :\n        this.isValidIdentifierContinue(ch);\n  },\n\n  isValidIdentifierContinue: function(ch, cp) {\n    return this.isValidIdentifierStart(ch, cp) || this.isNumber(ch);\n  },\n\n  codePointAt: function(ch) {\n    if (ch.length === 1) return ch.charCodeAt(0);\n    // eslint-disable-next-line no-bitwise\n    return (ch.charCodeAt(0) << 10) + ch.charCodeAt(1) - 0x35FDC00;\n  },\n\n  peekMultichar: function() {\n    var ch = this.text.charAt(this.index);\n    var peek = this.peek();\n    if (!peek) {\n      return ch;\n    }\n    var cp1 = ch.charCodeAt(0);\n    var cp2 = peek.charCodeAt(0);\n    if (cp1 >= 0xD800 && cp1 <= 0xDBFF && cp2 >= 0xDC00 && cp2 <= 0xDFFF) {\n      return ch + peek;\n    }\n    return ch;\n  },\n\n  isExpOperator: function(ch) {\n    return (ch === '-' || ch === '+' || this.isNumber(ch));\n  },\n\n  throwError: function(error, start, end) {\n    end = end || this.index;\n    var colStr = (isDefined(start)\n            ? 's ' + start +  '-' + this.index + ' [' + this.text.substring(start, end) + ']'\n            : ' ' + end);\n    throw $parseMinErr('lexerr', 'Lexer Error: {0} at column{1} in expression [{2}].',\n        error, colStr, this.text);\n  },\n\n  readNumber: function() {\n    var number = '';\n    var start = this.index;\n    while (this.index < this.text.length) {\n      var ch = lowercase(this.text.charAt(this.index));\n      if (ch === '.' || this.isNumber(ch)) {\n        number += ch;\n      } else {\n        var peekCh = this.peek();\n        if (ch === 'e' && this.isExpOperator(peekCh)) {\n          number += ch;\n        } else if (this.isExpOperator(ch) &&\n            peekCh && this.isNumber(peekCh) &&\n            number.charAt(number.length - 1) === 'e') {\n          number += ch;\n        } else if (this.isExpOperator(ch) &&\n            (!peekCh || !this.isNumber(peekCh)) &&\n            number.charAt(number.length - 1) === 'e') {\n          this.throwError('Invalid exponent');\n        } else {\n          break;\n        }\n      }\n      this.index++;\n    }\n    this.tokens.push({\n      index: start,\n      text: number,\n      constant: true,\n      value: Number(number)\n    });\n  },\n\n  readIdent: function() {\n    var start = this.index;\n    this.index += this.peekMultichar().length;\n    while (this.index < this.text.length) {\n      var ch = this.peekMultichar();\n      if (!this.isIdentifierContinue(ch)) {\n        break;\n      }\n      this.index += ch.length;\n    }\n    this.tokens.push({\n      index: start,\n      text: this.text.slice(start, this.index),\n      identifier: true\n    });\n  },\n\n  readString: function(quote) {\n    var start = this.index;\n    this.index++;\n    var string = '';\n    var rawString = quote;\n    var escape = false;\n    while (this.index < this.text.length) {\n      var ch = this.text.charAt(this.index);\n      rawString += ch;\n      if (escape) {\n        if (ch === 'u') {\n          var hex = this.text.substring(this.index + 1, this.index + 5);\n          if (!hex.match(/[\\da-f]{4}/i)) {\n            this.throwError('Invalid unicode escape [\\\\u' + hex + ']');\n          }\n          this.index += 4;\n          string += String.fromCharCode(parseInt(hex, 16));\n        } else {\n          var rep = ESCAPE[ch];\n          string = string + (rep || ch);\n        }\n        escape = false;\n      } else if (ch === '\\\\') {\n        escape = true;\n      } else if (ch === quote) {\n        this.index++;\n        this.tokens.push({\n          index: start,\n          text: rawString,\n          constant: true,\n          value: string\n        });\n        return;\n      } else {\n        string += ch;\n      }\n      this.index++;\n    }\n    this.throwError('Unterminated quote', start);\n  }\n};\n\nvar AST = function AST(lexer, options) {\n  this.lexer = lexer;\n  this.options = options;\n};\n\nAST.Program = 'Program';\nAST.ExpressionStatement = 'ExpressionStatement';\nAST.AssignmentExpression = 'AssignmentExpression';\nAST.ConditionalExpression = 'ConditionalExpression';\nAST.LogicalExpression = 'LogicalExpression';\nAST.BinaryExpression = 'BinaryExpression';\nAST.UnaryExpression = 'UnaryExpression';\nAST.CallExpression = 'CallExpression';\nAST.MemberExpression = 'MemberExpression';\nAST.Identifier = 'Identifier';\nAST.Literal = 'Literal';\nAST.ArrayExpression = 'ArrayExpression';\nAST.Property = 'Property';\nAST.ObjectExpression = 'ObjectExpression';\nAST.ThisExpression = 'ThisExpression';\nAST.LocalsExpression = 'LocalsExpression';\n\n// Internal use only\nAST.NGValueParameter = 'NGValueParameter';\n\nAST.prototype = {\n  ast: function(text) {\n    this.text = text;\n    this.tokens = this.lexer.lex(text);\n\n    var value = this.program();\n\n    if (this.tokens.length !== 0) {\n      this.throwError('is an unexpected token', this.tokens[0]);\n    }\n\n    return value;\n  },\n\n  program: function() {\n    var body = [];\n    while (true) {\n      if (this.tokens.length > 0 && !this.peek('}', ')', ';', ']'))\n        body.push(this.expressionStatement());\n      if (!this.expect(';')) {\n        return { type: AST.Program, body: body};\n      }\n    }\n  },\n\n  expressionStatement: function() {\n    return { type: AST.ExpressionStatement, expression: this.filterChain() };\n  },\n\n  filterChain: function() {\n    var left = this.expression();\n    while (this.expect('|')) {\n      left = this.filter(left);\n    }\n    return left;\n  },\n\n  expression: function() {\n    return this.assignment();\n  },\n\n  assignment: function() {\n    var result = this.ternary();\n    if (this.expect('=')) {\n      if (!isAssignable(result)) {\n        throw $parseMinErr('lval', 'Trying to assign a value to a non l-value');\n      }\n\n      result = { type: AST.AssignmentExpression, left: result, right: this.assignment(), operator: '='};\n    }\n    return result;\n  },\n\n  ternary: function() {\n    var test = this.logicalOR();\n    var alternate;\n    var consequent;\n    if (this.expect('?')) {\n      alternate = this.expression();\n      if (this.consume(':')) {\n        consequent = this.expression();\n        return { type: AST.ConditionalExpression, test: test, alternate: alternate, consequent: consequent};\n      }\n    }\n    return test;\n  },\n\n  logicalOR: function() {\n    var left = this.logicalAND();\n    while (this.expect('||')) {\n      left = { type: AST.LogicalExpression, operator: '||', left: left, right: this.logicalAND() };\n    }\n    return left;\n  },\n\n  logicalAND: function() {\n    var left = this.equality();\n    while (this.expect('&&')) {\n      left = { type: AST.LogicalExpression, operator: '&&', left: left, right: this.equality()};\n    }\n    return left;\n  },\n\n  equality: function() {\n    var left = this.relational();\n    var token;\n    while ((token = this.expect('==','!=','===','!=='))) {\n      left = { type: AST.BinaryExpression, operator: token.text, left: left, right: this.relational() };\n    }\n    return left;\n  },\n\n  relational: function() {\n    var left = this.additive();\n    var token;\n    while ((token = this.expect('<', '>', '<=', '>='))) {\n      left = { type: AST.BinaryExpression, operator: token.text, left: left, right: this.additive() };\n    }\n    return left;\n  },\n\n  additive: function() {\n    var left = this.multiplicative();\n    var token;\n    while ((token = this.expect('+','-'))) {\n      left = { type: AST.BinaryExpression, operator: token.text, left: left, right: this.multiplicative() };\n    }\n    return left;\n  },\n\n  multiplicative: function() {\n    var left = this.unary();\n    var token;\n    while ((token = this.expect('*','/','%'))) {\n      left = { type: AST.BinaryExpression, operator: token.text, left: left, right: this.unary() };\n    }\n    return left;\n  },\n\n  unary: function() {\n    var token;\n    if ((token = this.expect('+', '-', '!'))) {\n      return { type: AST.UnaryExpression, operator: token.text, prefix: true, argument: this.unary() };\n    } else {\n      return this.primary();\n    }\n  },\n\n  primary: function() {\n    var primary;\n    if (this.expect('(')) {\n      primary = this.filterChain();\n      this.consume(')');\n    } else if (this.expect('[')) {\n      primary = this.arrayDeclaration();\n    } else if (this.expect('{')) {\n      primary = this.object();\n    } else if (this.selfReferential.hasOwnProperty(this.peek().text)) {\n      primary = copy(this.selfReferential[this.consume().text]);\n    } else if (this.options.literals.hasOwnProperty(this.peek().text)) {\n      primary = { type: AST.Literal, value: this.options.literals[this.consume().text]};\n    } else if (this.peek().identifier) {\n      primary = this.identifier();\n    } else if (this.peek().constant) {\n      primary = this.constant();\n    } else {\n      this.throwError('not a primary expression', this.peek());\n    }\n\n    var next;\n    while ((next = this.expect('(', '[', '.'))) {\n      if (next.text === '(') {\n        primary = {type: AST.CallExpression, callee: primary, arguments: this.parseArguments() };\n        this.consume(')');\n      } else if (next.text === '[') {\n        primary = { type: AST.MemberExpression, object: primary, property: this.expression(), computed: true };\n        this.consume(']');\n      } else if (next.text === '.') {\n        primary = { type: AST.MemberExpression, object: primary, property: this.identifier(), computed: false };\n      } else {\n        this.throwError('IMPOSSIBLE');\n      }\n    }\n    return primary;\n  },\n\n  filter: function(baseExpression) {\n    var args = [baseExpression];\n    var result = {type: AST.CallExpression, callee: this.identifier(), arguments: args, filter: true};\n\n    while (this.expect(':')) {\n      args.push(this.expression());\n    }\n\n    return result;\n  },\n\n  parseArguments: function() {\n    var args = [];\n    if (this.peekToken().text !== ')') {\n      do {\n        args.push(this.filterChain());\n      } while (this.expect(','));\n    }\n    return args;\n  },\n\n  identifier: function() {\n    var token = this.consume();\n    if (!token.identifier) {\n      this.throwError('is not a valid identifier', token);\n    }\n    return { type: AST.Identifier, name: token.text };\n  },\n\n  constant: function() {\n    // TODO check that it is a constant\n    return { type: AST.Literal, value: this.consume().value };\n  },\n\n  arrayDeclaration: function() {\n    var elements = [];\n    if (this.peekToken().text !== ']') {\n      do {\n        if (this.peek(']')) {\n          // Support trailing commas per ES5.1.\n          break;\n        }\n        elements.push(this.expression());\n      } while (this.expect(','));\n    }\n    this.consume(']');\n\n    return { type: AST.ArrayExpression, elements: elements };\n  },\n\n  object: function() {\n    var properties = [], property;\n    if (this.peekToken().text !== '}') {\n      do {\n        if (this.peek('}')) {\n          // Support trailing commas per ES5.1.\n          break;\n        }\n        property = {type: AST.Property, kind: 'init'};\n        if (this.peek().constant) {\n          property.key = this.constant();\n          property.computed = false;\n          this.consume(':');\n          property.value = this.expression();\n        } else if (this.peek().identifier) {\n          property.key = this.identifier();\n          property.computed = false;\n          if (this.peek(':')) {\n            this.consume(':');\n            property.value = this.expression();\n          } else {\n            property.value = property.key;\n          }\n        } else if (this.peek('[')) {\n          this.consume('[');\n          property.key = this.expression();\n          this.consume(']');\n          property.computed = true;\n          this.consume(':');\n          property.value = this.expression();\n        } else {\n          this.throwError('invalid key', this.peek());\n        }\n        properties.push(property);\n      } while (this.expect(','));\n    }\n    this.consume('}');\n\n    return {type: AST.ObjectExpression, properties: properties };\n  },\n\n  throwError: function(msg, token) {\n    throw $parseMinErr('syntax',\n        'Syntax Error: Token \\'{0}\\' {1} at column {2} of the expression [{3}] starting at [{4}].',\n          token.text, msg, (token.index + 1), this.text, this.text.substring(token.index));\n  },\n\n  consume: function(e1) {\n    if (this.tokens.length === 0) {\n      throw $parseMinErr('ueoe', 'Unexpected end of expression: {0}', this.text);\n    }\n\n    var token = this.expect(e1);\n    if (!token) {\n      this.throwError('is unexpected, expecting [' + e1 + ']', this.peek());\n    }\n    return token;\n  },\n\n  peekToken: function() {\n    if (this.tokens.length === 0) {\n      throw $parseMinErr('ueoe', 'Unexpected end of expression: {0}', this.text);\n    }\n    return this.tokens[0];\n  },\n\n  peek: function(e1, e2, e3, e4) {\n    return this.peekAhead(0, e1, e2, e3, e4);\n  },\n\n  peekAhead: function(i, e1, e2, e3, e4) {\n    if (this.tokens.length > i) {\n      var token = this.tokens[i];\n      var t = token.text;\n      if (t === e1 || t === e2 || t === e3 || t === e4 ||\n          (!e1 && !e2 && !e3 && !e4)) {\n        return token;\n      }\n    }\n    return false;\n  },\n\n  expect: function(e1, e2, e3, e4) {\n    var token = this.peek(e1, e2, e3, e4);\n    if (token) {\n      this.tokens.shift();\n      return token;\n    }\n    return false;\n  },\n\n  selfReferential: {\n    'this': {type: AST.ThisExpression },\n    '$locals': {type: AST.LocalsExpression }\n  }\n};\n\nfunction ifDefined(v, d) {\n  return typeof v !== 'undefined' ? v : d;\n}\n\nfunction plusFn(l, r) {\n  if (typeof l === 'undefined') return r;\n  if (typeof r === 'undefined') return l;\n  return l + r;\n}\n\nfunction isStateless($filter, filterName) {\n  var fn = $filter(filterName);\n  return !fn.$stateful;\n}\n\nvar PURITY_ABSOLUTE = 1;\nvar PURITY_RELATIVE = 2;\n\n// Detect nodes which could depend on non-shallow state of objects\nfunction isPure(node, parentIsPure) {\n  switch (node.type) {\n    // Computed members might invoke a stateful toString()\n    case AST.MemberExpression:\n      if (node.computed) {\n        return false;\n      }\n      break;\n\n    // Unary always convert to primative\n    case AST.UnaryExpression:\n      return PURITY_ABSOLUTE;\n\n    // The binary + operator can invoke a stateful toString().\n    case AST.BinaryExpression:\n      return node.operator !== '+' ? PURITY_ABSOLUTE : false;\n\n    // Functions / filters probably read state from within objects\n    case AST.CallExpression:\n      return false;\n  }\n\n  return (undefined === parentIsPure) ? PURITY_RELATIVE : parentIsPure;\n}\n\nfunction findConstantAndWatchExpressions(ast, $filter, parentIsPure) {\n  var allConstants;\n  var argsToWatch;\n  var isStatelessFilter;\n\n  var astIsPure = ast.isPure = isPure(ast, parentIsPure);\n\n  switch (ast.type) {\n  case AST.Program:\n    allConstants = true;\n    forEach(ast.body, function(expr) {\n      findConstantAndWatchExpressions(expr.expression, $filter, astIsPure);\n      allConstants = allConstants && expr.expression.constant;\n    });\n    ast.constant = allConstants;\n    break;\n  case AST.Literal:\n    ast.constant = true;\n    ast.toWatch = [];\n    break;\n  case AST.UnaryExpression:\n    findConstantAndWatchExpressions(ast.argument, $filter, astIsPure);\n    ast.constant = ast.argument.constant;\n    ast.toWatch = ast.argument.toWatch;\n    break;\n  case AST.BinaryExpression:\n    findConstantAndWatchExpressions(ast.left, $filter, astIsPure);\n    findConstantAndWatchExpressions(ast.right, $filter, astIsPure);\n    ast.constant = ast.left.constant && ast.right.constant;\n    ast.toWatch = ast.left.toWatch.concat(ast.right.toWatch);\n    break;\n  case AST.LogicalExpression:\n    findConstantAndWatchExpressions(ast.left, $filter, astIsPure);\n    findConstantAndWatchExpressions(ast.right, $filter, astIsPure);\n    ast.constant = ast.left.constant && ast.right.constant;\n    ast.toWatch = ast.constant ? [] : [ast];\n    break;\n  case AST.ConditionalExpression:\n    findConstantAndWatchExpressions(ast.test, $filter, astIsPure);\n    findConstantAndWatchExpressions(ast.alternate, $filter, astIsPure);\n    findConstantAndWatchExpressions(ast.consequent, $filter, astIsPure);\n    ast.constant = ast.test.constant && ast.alternate.constant && ast.consequent.constant;\n    ast.toWatch = ast.constant ? [] : [ast];\n    break;\n  case AST.Identifier:\n    ast.constant = false;\n    ast.toWatch = [ast];\n    break;\n  case AST.MemberExpression:\n    findConstantAndWatchExpressions(ast.object, $filter, astIsPure);\n    if (ast.computed) {\n      findConstantAndWatchExpressions(ast.property, $filter, astIsPure);\n    }\n    ast.constant = ast.object.constant && (!ast.computed || ast.property.constant);\n    ast.toWatch = ast.constant ? [] : [ast];\n    break;\n  case AST.CallExpression:\n    isStatelessFilter = ast.filter ? isStateless($filter, ast.callee.name) : false;\n    allConstants = isStatelessFilter;\n    argsToWatch = [];\n    forEach(ast.arguments, function(expr) {\n      findConstantAndWatchExpressions(expr, $filter, astIsPure);\n      allConstants = allConstants && expr.constant;\n      argsToWatch.push.apply(argsToWatch, expr.toWatch);\n    });\n    ast.constant = allConstants;\n    ast.toWatch = isStatelessFilter ? argsToWatch : [ast];\n    break;\n  case AST.AssignmentExpression:\n    findConstantAndWatchExpressions(ast.left, $filter, astIsPure);\n    findConstantAndWatchExpressions(ast.right, $filter, astIsPure);\n    ast.constant = ast.left.constant && ast.right.constant;\n    ast.toWatch = [ast];\n    break;\n  case AST.ArrayExpression:\n    allConstants = true;\n    argsToWatch = [];\n    forEach(ast.elements, function(expr) {\n      findConstantAndWatchExpressions(expr, $filter, astIsPure);\n      allConstants = allConstants && expr.constant;\n      argsToWatch.push.apply(argsToWatch, expr.toWatch);\n    });\n    ast.constant = allConstants;\n    ast.toWatch = argsToWatch;\n    break;\n  case AST.ObjectExpression:\n    allConstants = true;\n    argsToWatch = [];\n    forEach(ast.properties, function(property) {\n      findConstantAndWatchExpressions(property.value, $filter, astIsPure);\n      allConstants = allConstants && property.value.constant;\n      argsToWatch.push.apply(argsToWatch, property.value.toWatch);\n      if (property.computed) {\n        //`{[key]: value}` implicitly does `key.toString()` which may be non-pure\n        findConstantAndWatchExpressions(property.key, $filter, /*parentIsPure=*/false);\n        allConstants = allConstants && property.key.constant;\n        argsToWatch.push.apply(argsToWatch, property.key.toWatch);\n      }\n    });\n    ast.constant = allConstants;\n    ast.toWatch = argsToWatch;\n    break;\n  case AST.ThisExpression:\n    ast.constant = false;\n    ast.toWatch = [];\n    break;\n  case AST.LocalsExpression:\n    ast.constant = false;\n    ast.toWatch = [];\n    break;\n  }\n}\n\nfunction getInputs(body) {\n  if (body.length !== 1) return;\n  var lastExpression = body[0].expression;\n  var candidate = lastExpression.toWatch;\n  if (candidate.length !== 1) return candidate;\n  return candidate[0] !== lastExpression ? candidate : undefined;\n}\n\nfunction isAssignable(ast) {\n  return ast.type === AST.Identifier || ast.type === AST.MemberExpression;\n}\n\nfunction assignableAST(ast) {\n  if (ast.body.length === 1 && isAssignable(ast.body[0].expression)) {\n    return {type: AST.AssignmentExpression, left: ast.body[0].expression, right: {type: AST.NGValueParameter}, operator: '='};\n  }\n}\n\nfunction isLiteral(ast) {\n  return ast.body.length === 0 ||\n      ast.body.length === 1 && (\n      ast.body[0].expression.type === AST.Literal ||\n      ast.body[0].expression.type === AST.ArrayExpression ||\n      ast.body[0].expression.type === AST.ObjectExpression);\n}\n\nfunction isConstant(ast) {\n  return ast.constant;\n}\n\nfunction ASTCompiler($filter) {\n  this.$filter = $filter;\n}\n\nASTCompiler.prototype = {\n  compile: function(ast) {\n    var self = this;\n    this.state = {\n      nextId: 0,\n      filters: {},\n      fn: {vars: [], body: [], own: {}},\n      assign: {vars: [], body: [], own: {}},\n      inputs: []\n    };\n    findConstantAndWatchExpressions(ast, self.$filter);\n    var extra = '';\n    var assignable;\n    this.stage = 'assign';\n    if ((assignable = assignableAST(ast))) {\n      this.state.computing = 'assign';\n      var result = this.nextId();\n      this.recurse(assignable, result);\n      this.return_(result);\n      extra = 'fn.assign=' + this.generateFunction('assign', 's,v,l');\n    }\n    var toWatch = getInputs(ast.body);\n    self.stage = 'inputs';\n    forEach(toWatch, function(watch, key) {\n      var fnKey = 'fn' + key;\n      self.state[fnKey] = {vars: [], body: [], own: {}};\n      self.state.computing = fnKey;\n      var intoId = self.nextId();\n      self.recurse(watch, intoId);\n      self.return_(intoId);\n      self.state.inputs.push({name: fnKey, isPure: watch.isPure});\n      watch.watchId = key;\n    });\n    this.state.computing = 'fn';\n    this.stage = 'main';\n    this.recurse(ast);\n    var fnString =\n      // The build and minification steps remove the string \"use strict\" from the code, but this is done using a regex.\n      // This is a workaround for this until we do a better job at only removing the prefix only when we should.\n      '\"' + this.USE + ' ' + this.STRICT + '\";\\n' +\n      this.filterPrefix() +\n      'var fn=' + this.generateFunction('fn', 's,l,a,i') +\n      extra +\n      this.watchFns() +\n      'return fn;';\n\n    // eslint-disable-next-line no-new-func\n    var fn = (new Function('$filter',\n        'getStringValue',\n        'ifDefined',\n        'plus',\n        fnString))(\n          this.$filter,\n          getStringValue,\n          ifDefined,\n          plusFn);\n    this.state = this.stage = undefined;\n    return fn;\n  },\n\n  USE: 'use',\n\n  STRICT: 'strict',\n\n  watchFns: function() {\n    var result = [];\n    var inputs = this.state.inputs;\n    var self = this;\n    forEach(inputs, function(input) {\n      result.push('var ' + input.name + '=' + self.generateFunction(input.name, 's'));\n      if (input.isPure) {\n        result.push(input.name, '.isPure=' + JSON.stringify(input.isPure) + ';');\n      }\n    });\n    if (inputs.length) {\n      result.push('fn.inputs=[' + inputs.map(function(i) { return i.name; }).join(',') + '];');\n    }\n    return result.join('');\n  },\n\n  generateFunction: function(name, params) {\n    return 'function(' + params + '){' +\n        this.varsPrefix(name) +\n        this.body(name) +\n        '};';\n  },\n\n  filterPrefix: function() {\n    var parts = [];\n    var self = this;\n    forEach(this.state.filters, function(id, filter) {\n      parts.push(id + '=$filter(' + self.escape(filter) + ')');\n    });\n    if (parts.length) return 'var ' + parts.join(',') + ';';\n    return '';\n  },\n\n  varsPrefix: function(section) {\n    return this.state[section].vars.length ? 'var ' + this.state[section].vars.join(',') + ';' : '';\n  },\n\n  body: function(section) {\n    return this.state[section].body.join('');\n  },\n\n  recurse: function(ast, intoId, nameId, recursionFn, create, skipWatchIdCheck) {\n    var left, right, self = this, args, expression, computed;\n    recursionFn = recursionFn || noop;\n    if (!skipWatchIdCheck && isDefined(ast.watchId)) {\n      intoId = intoId || this.nextId();\n      this.if_('i',\n        this.lazyAssign(intoId, this.computedMember('i', ast.watchId)),\n        this.lazyRecurse(ast, intoId, nameId, recursionFn, create, true)\n      );\n      return;\n    }\n    switch (ast.type) {\n    case AST.Program:\n      forEach(ast.body, function(expression, pos) {\n        self.recurse(expression.expression, undefined, undefined, function(expr) { right = expr; });\n        if (pos !== ast.body.length - 1) {\n          self.current().body.push(right, ';');\n        } else {\n          self.return_(right);\n        }\n      });\n      break;\n    case AST.Literal:\n      expression = this.escape(ast.value);\n      this.assign(intoId, expression);\n      recursionFn(intoId || expression);\n      break;\n    case AST.UnaryExpression:\n      this.recurse(ast.argument, undefined, undefined, function(expr) { right = expr; });\n      expression = ast.operator + '(' + this.ifDefined(right, 0) + ')';\n      this.assign(intoId, expression);\n      recursionFn(expression);\n      break;\n    case AST.BinaryExpression:\n      this.recurse(ast.left, undefined, undefined, function(expr) { left = expr; });\n      this.recurse(ast.right, undefined, undefined, function(expr) { right = expr; });\n      if (ast.operator === '+') {\n        expression = this.plus(left, right);\n      } else if (ast.operator === '-') {\n        expression = this.ifDefined(left, 0) + ast.operator + this.ifDefined(right, 0);\n      } else {\n        expression = '(' + left + ')' + ast.operator + '(' + right + ')';\n      }\n      this.assign(intoId, expression);\n      recursionFn(expression);\n      break;\n    case AST.LogicalExpression:\n      intoId = intoId || this.nextId();\n      self.recurse(ast.left, intoId);\n      self.if_(ast.operator === '&&' ? intoId : self.not(intoId), self.lazyRecurse(ast.right, intoId));\n      recursionFn(intoId);\n      break;\n    case AST.ConditionalExpression:\n      intoId = intoId || this.nextId();\n      self.recurse(ast.test, intoId);\n      self.if_(intoId, self.lazyRecurse(ast.alternate, intoId), self.lazyRecurse(ast.consequent, intoId));\n      recursionFn(intoId);\n      break;\n    case AST.Identifier:\n      intoId = intoId || this.nextId();\n      if (nameId) {\n        nameId.context = self.stage === 'inputs' ? 's' : this.assign(this.nextId(), this.getHasOwnProperty('l', ast.name) + '?l:s');\n        nameId.computed = false;\n        nameId.name = ast.name;\n      }\n      self.if_(self.stage === 'inputs' || self.not(self.getHasOwnProperty('l', ast.name)),\n        function() {\n          self.if_(self.stage === 'inputs' || 's', function() {\n            if (create && create !== 1) {\n              self.if_(\n                self.isNull(self.nonComputedMember('s', ast.name)),\n                self.lazyAssign(self.nonComputedMember('s', ast.name), '{}'));\n            }\n            self.assign(intoId, self.nonComputedMember('s', ast.name));\n          });\n        }, intoId && self.lazyAssign(intoId, self.nonComputedMember('l', ast.name))\n        );\n      recursionFn(intoId);\n      break;\n    case AST.MemberExpression:\n      left = nameId && (nameId.context = this.nextId()) || this.nextId();\n      intoId = intoId || this.nextId();\n      self.recurse(ast.object, left, undefined, function() {\n        self.if_(self.notNull(left), function() {\n          if (ast.computed) {\n            right = self.nextId();\n            self.recurse(ast.property, right);\n            self.getStringValue(right);\n            if (create && create !== 1) {\n              self.if_(self.not(self.computedMember(left, right)), self.lazyAssign(self.computedMember(left, right), '{}'));\n            }\n            expression = self.computedMember(left, right);\n            self.assign(intoId, expression);\n            if (nameId) {\n              nameId.computed = true;\n              nameId.name = right;\n            }\n          } else {\n            if (create && create !== 1) {\n              self.if_(self.isNull(self.nonComputedMember(left, ast.property.name)), self.lazyAssign(self.nonComputedMember(left, ast.property.name), '{}'));\n            }\n            expression = self.nonComputedMember(left, ast.property.name);\n            self.assign(intoId, expression);\n            if (nameId) {\n              nameId.computed = false;\n              nameId.name = ast.property.name;\n            }\n          }\n        }, function() {\n          self.assign(intoId, 'undefined');\n        });\n        recursionFn(intoId);\n      }, !!create);\n      break;\n    case AST.CallExpression:\n      intoId = intoId || this.nextId();\n      if (ast.filter) {\n        right = self.filter(ast.callee.name);\n        args = [];\n        forEach(ast.arguments, function(expr) {\n          var argument = self.nextId();\n          self.recurse(expr, argument);\n          args.push(argument);\n        });\n        expression = right + '(' + args.join(',') + ')';\n        self.assign(intoId, expression);\n        recursionFn(intoId);\n      } else {\n        right = self.nextId();\n        left = {};\n        args = [];\n        self.recurse(ast.callee, right, left, function() {\n          self.if_(self.notNull(right), function() {\n            forEach(ast.arguments, function(expr) {\n              self.recurse(expr, ast.constant ? undefined : self.nextId(), undefined, function(argument) {\n                args.push(argument);\n              });\n            });\n            if (left.name) {\n              expression = self.member(left.context, left.name, left.computed) + '(' + args.join(',') + ')';\n            } else {\n              expression = right + '(' + args.join(',') + ')';\n            }\n            self.assign(intoId, expression);\n          }, function() {\n            self.assign(intoId, 'undefined');\n          });\n          recursionFn(intoId);\n        });\n      }\n      break;\n    case AST.AssignmentExpression:\n      right = this.nextId();\n      left = {};\n      this.recurse(ast.left, undefined, left, function() {\n        self.if_(self.notNull(left.context), function() {\n          self.recurse(ast.right, right);\n          expression = self.member(left.context, left.name, left.computed) + ast.operator + right;\n          self.assign(intoId, expression);\n          recursionFn(intoId || expression);\n        });\n      }, 1);\n      break;\n    case AST.ArrayExpression:\n      args = [];\n      forEach(ast.elements, function(expr) {\n        self.recurse(expr, ast.constant ? undefined : self.nextId(), undefined, function(argument) {\n          args.push(argument);\n        });\n      });\n      expression = '[' + args.join(',') + ']';\n      this.assign(intoId, expression);\n      recursionFn(intoId || expression);\n      break;\n    case AST.ObjectExpression:\n      args = [];\n      computed = false;\n      forEach(ast.properties, function(property) {\n        if (property.computed) {\n          computed = true;\n        }\n      });\n      if (computed) {\n        intoId = intoId || this.nextId();\n        this.assign(intoId, '{}');\n        forEach(ast.properties, function(property) {\n          if (property.computed) {\n            left = self.nextId();\n            self.recurse(property.key, left);\n          } else {\n            left = property.key.type === AST.Identifier ?\n                       property.key.name :\n                       ('' + property.key.value);\n          }\n          right = self.nextId();\n          self.recurse(property.value, right);\n          self.assign(self.member(intoId, left, property.computed), right);\n        });\n      } else {\n        forEach(ast.properties, function(property) {\n          self.recurse(property.value, ast.constant ? undefined : self.nextId(), undefined, function(expr) {\n            args.push(self.escape(\n                property.key.type === AST.Identifier ? property.key.name :\n                  ('' + property.key.value)) +\n                ':' + expr);\n          });\n        });\n        expression = '{' + args.join(',') + '}';\n        this.assign(intoId, expression);\n      }\n      recursionFn(intoId || expression);\n      break;\n    case AST.ThisExpression:\n      this.assign(intoId, 's');\n      recursionFn(intoId || 's');\n      break;\n    case AST.LocalsExpression:\n      this.assign(intoId, 'l');\n      recursionFn(intoId || 'l');\n      break;\n    case AST.NGValueParameter:\n      this.assign(intoId, 'v');\n      recursionFn(intoId || 'v');\n      break;\n    }\n  },\n\n  getHasOwnProperty: function(element, property) {\n    var key = element + '.' + property;\n    var own = this.current().own;\n    if (!own.hasOwnProperty(key)) {\n      own[key] = this.nextId(false, element + '&&(' + this.escape(property) + ' in ' + element + ')');\n    }\n    return own[key];\n  },\n\n  assign: function(id, value) {\n    if (!id) return;\n    this.current().body.push(id, '=', value, ';');\n    return id;\n  },\n\n  filter: function(filterName) {\n    if (!this.state.filters.hasOwnProperty(filterName)) {\n      this.state.filters[filterName] = this.nextId(true);\n    }\n    return this.state.filters[filterName];\n  },\n\n  ifDefined: function(id, defaultValue) {\n    return 'ifDefined(' + id + ',' + this.escape(defaultValue) + ')';\n  },\n\n  plus: function(left, right) {\n    return 'plus(' + left + ',' + right + ')';\n  },\n\n  return_: function(id) {\n    this.current().body.push('return ', id, ';');\n  },\n\n  if_: function(test, alternate, consequent) {\n    if (test === true) {\n      alternate();\n    } else {\n      var body = this.current().body;\n      body.push('if(', test, '){');\n      alternate();\n      body.push('}');\n      if (consequent) {\n        body.push('else{');\n        consequent();\n        body.push('}');\n      }\n    }\n  },\n\n  not: function(expression) {\n    return '!(' + expression + ')';\n  },\n\n  isNull: function(expression) {\n    return expression + '==null';\n  },\n\n  notNull: function(expression) {\n    return expression + '!=null';\n  },\n\n  nonComputedMember: function(left, right) {\n    var SAFE_IDENTIFIER = /^[$_a-zA-Z][$_a-zA-Z0-9]*$/;\n    var UNSAFE_CHARACTERS = /[^$_a-zA-Z0-9]/g;\n    if (SAFE_IDENTIFIER.test(right)) {\n      return left + '.' + right;\n    } else {\n      return left  + '[\"' + right.replace(UNSAFE_CHARACTERS, this.stringEscapeFn) + '\"]';\n    }\n  },\n\n  computedMember: function(left, right) {\n    return left + '[' + right + ']';\n  },\n\n  member: function(left, right, computed) {\n    if (computed) return this.computedMember(left, right);\n    return this.nonComputedMember(left, right);\n  },\n\n  getStringValue: function(item) {\n    this.assign(item, 'getStringValue(' + item + ')');\n  },\n\n  lazyRecurse: function(ast, intoId, nameId, recursionFn, create, skipWatchIdCheck) {\n    var self = this;\n    return function() {\n      self.recurse(ast, intoId, nameId, recursionFn, create, skipWatchIdCheck);\n    };\n  },\n\n  lazyAssign: function(id, value) {\n    var self = this;\n    return function() {\n      self.assign(id, value);\n    };\n  },\n\n  stringEscapeRegex: /[^ a-zA-Z0-9]/g,\n\n  stringEscapeFn: function(c) {\n    return '\\\\u' + ('0000' + c.charCodeAt(0).toString(16)).slice(-4);\n  },\n\n  escape: function(value) {\n    if (isString(value)) return '\\'' + value.replace(this.stringEscapeRegex, this.stringEscapeFn) + '\\'';\n    if (isNumber(value)) return value.toString();\n    if (value === true) return 'true';\n    if (value === false) return 'false';\n    if (value === null) return 'null';\n    if (typeof value === 'undefined') return 'undefined';\n\n    throw $parseMinErr('esc', 'IMPOSSIBLE');\n  },\n\n  nextId: function(skip, init) {\n    var id = 'v' + (this.state.nextId++);\n    if (!skip) {\n      this.current().vars.push(id + (init ? '=' + init : ''));\n    }\n    return id;\n  },\n\n  current: function() {\n    return this.state[this.state.computing];\n  }\n};\n\n\nfunction ASTInterpreter($filter) {\n  this.$filter = $filter;\n}\n\nASTInterpreter.prototype = {\n  compile: function(ast) {\n    var self = this;\n    findConstantAndWatchExpressions(ast, self.$filter);\n    var assignable;\n    var assign;\n    if ((assignable = assignableAST(ast))) {\n      assign = this.recurse(assignable);\n    }\n    var toWatch = getInputs(ast.body);\n    var inputs;\n    if (toWatch) {\n      inputs = [];\n      forEach(toWatch, function(watch, key) {\n        var input = self.recurse(watch);\n        input.isPure = watch.isPure;\n        watch.input = input;\n        inputs.push(input);\n        watch.watchId = key;\n      });\n    }\n    var expressions = [];\n    forEach(ast.body, function(expression) {\n      expressions.push(self.recurse(expression.expression));\n    });\n    var fn = ast.body.length === 0 ? noop :\n             ast.body.length === 1 ? expressions[0] :\n             function(scope, locals) {\n               var lastValue;\n               forEach(expressions, function(exp) {\n                 lastValue = exp(scope, locals);\n               });\n               return lastValue;\n             };\n    if (assign) {\n      fn.assign = function(scope, value, locals) {\n        return assign(scope, locals, value);\n      };\n    }\n    if (inputs) {\n      fn.inputs = inputs;\n    }\n    return fn;\n  },\n\n  recurse: function(ast, context, create) {\n    var left, right, self = this, args;\n    if (ast.input) {\n      return this.inputs(ast.input, ast.watchId);\n    }\n    switch (ast.type) {\n    case AST.Literal:\n      return this.value(ast.value, context);\n    case AST.UnaryExpression:\n      right = this.recurse(ast.argument);\n      return this['unary' + ast.operator](right, context);\n    case AST.BinaryExpression:\n      left = this.recurse(ast.left);\n      right = this.recurse(ast.right);\n      return this['binary' + ast.operator](left, right, context);\n    case AST.LogicalExpression:\n      left = this.recurse(ast.left);\n      right = this.recurse(ast.right);\n      return this['binary' + ast.operator](left, right, context);\n    case AST.ConditionalExpression:\n      return this['ternary?:'](\n        this.recurse(ast.test),\n        this.recurse(ast.alternate),\n        this.recurse(ast.consequent),\n        context\n      );\n    case AST.Identifier:\n      return self.identifier(ast.name, context, create);\n    case AST.MemberExpression:\n      left = this.recurse(ast.object, false, !!create);\n      if (!ast.computed) {\n        right = ast.property.name;\n      }\n      if (ast.computed) right = this.recurse(ast.property);\n      return ast.computed ?\n        this.computedMember(left, right, context, create) :\n        this.nonComputedMember(left, right, context, create);\n    case AST.CallExpression:\n      args = [];\n      forEach(ast.arguments, function(expr) {\n        args.push(self.recurse(expr));\n      });\n      if (ast.filter) right = this.$filter(ast.callee.name);\n      if (!ast.filter) right = this.recurse(ast.callee, true);\n      return ast.filter ?\n        function(scope, locals, assign, inputs) {\n          var values = [];\n          for (var i = 0; i < args.length; ++i) {\n            values.push(args[i](scope, locals, assign, inputs));\n          }\n          var value = right.apply(undefined, values, inputs);\n          return context ? {context: undefined, name: undefined, value: value} : value;\n        } :\n        function(scope, locals, assign, inputs) {\n          var rhs = right(scope, locals, assign, inputs);\n          var value;\n          if (rhs.value != null) {\n            var values = [];\n            for (var i = 0; i < args.length; ++i) {\n              values.push(args[i](scope, locals, assign, inputs));\n            }\n            value = rhs.value.apply(rhs.context, values);\n          }\n          return context ? {value: value} : value;\n        };\n    case AST.AssignmentExpression:\n      left = this.recurse(ast.left, true, 1);\n      right = this.recurse(ast.right);\n      return function(scope, locals, assign, inputs) {\n        var lhs = left(scope, locals, assign, inputs);\n        var rhs = right(scope, locals, assign, inputs);\n        lhs.context[lhs.name] = rhs;\n        return context ? {value: rhs} : rhs;\n      };\n    case AST.ArrayExpression:\n      args = [];\n      forEach(ast.elements, function(expr) {\n        args.push(self.recurse(expr));\n      });\n      return function(scope, locals, assign, inputs) {\n        var value = [];\n        for (var i = 0; i < args.length; ++i) {\n          value.push(args[i](scope, locals, assign, inputs));\n        }\n        return context ? {value: value} : value;\n      };\n    case AST.ObjectExpression:\n      args = [];\n      forEach(ast.properties, function(property) {\n        if (property.computed) {\n          args.push({key: self.recurse(property.key),\n                     computed: true,\n                     value: self.recurse(property.value)\n          });\n        } else {\n          args.push({key: property.key.type === AST.Identifier ?\n                          property.key.name :\n                          ('' + property.key.value),\n                     computed: false,\n                     value: self.recurse(property.value)\n          });\n        }\n      });\n      return function(scope, locals, assign, inputs) {\n        var value = {};\n        for (var i = 0; i < args.length; ++i) {\n          if (args[i].computed) {\n            value[args[i].key(scope, locals, assign, inputs)] = args[i].value(scope, locals, assign, inputs);\n          } else {\n            value[args[i].key] = args[i].value(scope, locals, assign, inputs);\n          }\n        }\n        return context ? {value: value} : value;\n      };\n    case AST.ThisExpression:\n      return function(scope) {\n        return context ? {value: scope} : scope;\n      };\n    case AST.LocalsExpression:\n      return function(scope, locals) {\n        return context ? {value: locals} : locals;\n      };\n    case AST.NGValueParameter:\n      return function(scope, locals, assign) {\n        return context ? {value: assign} : assign;\n      };\n    }\n  },\n\n  'unary+': function(argument, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = argument(scope, locals, assign, inputs);\n      if (isDefined(arg)) {\n        arg = +arg;\n      } else {\n        arg = 0;\n      }\n      return context ? {value: arg} : arg;\n    };\n  },\n  'unary-': function(argument, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = argument(scope, locals, assign, inputs);\n      if (isDefined(arg)) {\n        arg = -arg;\n      } else {\n        arg = -0;\n      }\n      return context ? {value: arg} : arg;\n    };\n  },\n  'unary!': function(argument, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = !argument(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary+': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var lhs = left(scope, locals, assign, inputs);\n      var rhs = right(scope, locals, assign, inputs);\n      var arg = plusFn(lhs, rhs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary-': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var lhs = left(scope, locals, assign, inputs);\n      var rhs = right(scope, locals, assign, inputs);\n      var arg = (isDefined(lhs) ? lhs : 0) - (isDefined(rhs) ? rhs : 0);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary*': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = left(scope, locals, assign, inputs) * right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary/': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = left(scope, locals, assign, inputs) / right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary%': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = left(scope, locals, assign, inputs) % right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary===': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = left(scope, locals, assign, inputs) === right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary!==': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = left(scope, locals, assign, inputs) !== right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary==': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      // eslint-disable-next-line eqeqeq\n      var arg = left(scope, locals, assign, inputs) == right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary!=': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      // eslint-disable-next-line eqeqeq\n      var arg = left(scope, locals, assign, inputs) != right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary<': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = left(scope, locals, assign, inputs) < right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary>': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = left(scope, locals, assign, inputs) > right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary<=': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = left(scope, locals, assign, inputs) <= right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary>=': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = left(scope, locals, assign, inputs) >= right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary&&': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = left(scope, locals, assign, inputs) && right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'binary||': function(left, right, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = left(scope, locals, assign, inputs) || right(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  'ternary?:': function(test, alternate, consequent, context) {\n    return function(scope, locals, assign, inputs) {\n      var arg = test(scope, locals, assign, inputs) ? alternate(scope, locals, assign, inputs) : consequent(scope, locals, assign, inputs);\n      return context ? {value: arg} : arg;\n    };\n  },\n  value: function(value, context) {\n    return function() { return context ? {context: undefined, name: undefined, value: value} : value; };\n  },\n  identifier: function(name, context, create) {\n    return function(scope, locals, assign, inputs) {\n      var base = locals && (name in locals) ? locals : scope;\n      if (create && create !== 1 && base && base[name] == null) {\n        base[name] = {};\n      }\n      var value = base ? base[name] : undefined;\n      if (context) {\n        return {context: base, name: name, value: value};\n      } else {\n        return value;\n      }\n    };\n  },\n  computedMember: function(left, right, context, create) {\n    return function(scope, locals, assign, inputs) {\n      var lhs = left(scope, locals, assign, inputs);\n      var rhs;\n      var value;\n      if (lhs != null) {\n        rhs = right(scope, locals, assign, inputs);\n        rhs = getStringValue(rhs);\n        if (create && create !== 1) {\n          if (lhs && !(lhs[rhs])) {\n            lhs[rhs] = {};\n          }\n        }\n        value = lhs[rhs];\n      }\n      if (context) {\n        return {context: lhs, name: rhs, value: value};\n      } else {\n        return value;\n      }\n    };\n  },\n  nonComputedMember: function(left, right, context, create) {\n    return function(scope, locals, assign, inputs) {\n      var lhs = left(scope, locals, assign, inputs);\n      if (create && create !== 1) {\n        if (lhs && lhs[right] == null) {\n          lhs[right] = {};\n        }\n      }\n      var value = lhs != null ? lhs[right] : undefined;\n      if (context) {\n        return {context: lhs, name: right, value: value};\n      } else {\n        return value;\n      }\n    };\n  },\n  inputs: function(input, watchId) {\n    return function(scope, value, locals, inputs) {\n      if (inputs) return inputs[watchId];\n      return input(scope, value, locals);\n    };\n  }\n};\n\n/**\n * @constructor\n */\nfunction Parser(lexer, $filter, options) {\n  this.ast = new AST(lexer, options);\n  this.astCompiler = options.csp ? new ASTInterpreter($filter) :\n                                   new ASTCompiler($filter);\n}\n\nParser.prototype = {\n  constructor: Parser,\n\n  parse: function(text) {\n    var ast = this.getAst(text);\n    var fn = this.astCompiler.compile(ast.ast);\n    fn.literal = isLiteral(ast.ast);\n    fn.constant = isConstant(ast.ast);\n    fn.oneTime = ast.oneTime;\n    return fn;\n  },\n\n  getAst: function(exp) {\n    var oneTime = false;\n    exp = exp.trim();\n\n    if (exp.charAt(0) === ':' && exp.charAt(1) === ':') {\n      oneTime = true;\n      exp = exp.substring(2);\n    }\n    return {\n      ast: this.ast.ast(exp),\n      oneTime: oneTime\n    };\n  }\n};\n\nfunction getValueOf(value) {\n  return isFunction(value.valueOf) ? value.valueOf() : objectValueOf.call(value);\n}\n\n///////////////////////////////////\n\n/**\n * @ngdoc service\n * @name $parse\n * @kind function\n *\n * @description\n *\n * Converts AngularJS {@link guide/expression expression} into a function.\n *\n * ```js\n *   var getter = $parse('user.name');\n *   var setter = getter.assign;\n *   var context = {user:{name:'AngularJS'}};\n *   var locals = {user:{name:'local'}};\n *\n *   expect(getter(context)).toEqual('AngularJS');\n *   setter(context, 'newValue');\n *   expect(context.user.name).toEqual('newValue');\n *   expect(getter(context, locals)).toEqual('local');\n * ```\n *\n *\n * @param {string} expression String expression to compile.\n * @returns {function(context, locals)} a function which represents the compiled expression:\n *\n *    * `context` – `{object}` – an object against which any expressions embedded in the strings\n *      are evaluated against (typically a scope object).\n *    * `locals` – `{object=}` – local variables context object, useful for overriding values in\n *      `context`.\n *\n *    The returned function also has the following properties:\n *      * `literal` – `{boolean}` – whether the expression's top-level node is a JavaScript\n *        literal.\n *      * `constant` – `{boolean}` – whether the expression is made entirely of JavaScript\n *        constant literals.\n *      * `assign` – `{?function(context, value)}` – if the expression is assignable, this will be\n *        set to a function to change its value on the given context.\n *\n */\n\n\n/**\n * @ngdoc provider\n * @name $parseProvider\n * @this\n *\n * @description\n * `$parseProvider` can be used for configuring the default behavior of the {@link ng.$parse $parse}\n *  service.\n */\nfunction $ParseProvider() {\n  var cache = createMap();\n  var literals = {\n    'true': true,\n    'false': false,\n    'null': null,\n    'undefined': undefined\n  };\n  var identStart, identContinue;\n\n  /**\n   * @ngdoc method\n   * @name $parseProvider#addLiteral\n   * @description\n   *\n   * Configure $parse service to add literal values that will be present as literal at expressions.\n   *\n   * @param {string} literalName Token for the literal value. The literal name value must be a valid literal name.\n   * @param {*} literalValue Value for this literal. All literal values must be primitives or `undefined`.\n   *\n   **/\n  this.addLiteral = function(literalName, literalValue) {\n    literals[literalName] = literalValue;\n  };\n\n /**\n  * @ngdoc method\n  * @name $parseProvider#setIdentifierFns\n  *\n  * @description\n  *\n  * Allows defining the set of characters that are allowed in AngularJS expressions. The function\n  * `identifierStart` will get called to know if a given character is a valid character to be the\n  * first character for an identifier. The function `identifierContinue` will get called to know if\n  * a given character is a valid character to be a follow-up identifier character. The functions\n  * `identifierStart` and `identifierContinue` will receive as arguments the single character to be\n  * identifier and the character code point. These arguments will be `string` and `numeric`. Keep in\n  * mind that the `string` parameter can be two characters long depending on the character\n  * representation. It is expected for the function to return `true` or `false`, whether that\n  * character is allowed or not.\n  *\n  * Since this function will be called extensively, keep the implementation of these functions fast,\n  * as the performance of these functions have a direct impact on the expressions parsing speed.\n  *\n  * @param {function=} identifierStart The function that will decide whether the given character is\n  *   a valid identifier start character.\n  * @param {function=} identifierContinue The function that will decide whether the given character is\n  *   a valid identifier continue character.\n  */\n  this.setIdentifierFns = function(identifierStart, identifierContinue) {\n    identStart = identifierStart;\n    identContinue = identifierContinue;\n    return this;\n  };\n\n  this.$get = ['$filter', function($filter) {\n    var noUnsafeEval = csp().noUnsafeEval;\n    var $parseOptions = {\n          csp: noUnsafeEval,\n          literals: copy(literals),\n          isIdentifierStart: isFunction(identStart) && identStart,\n          isIdentifierContinue: isFunction(identContinue) && identContinue\n        };\n    $parse.$$getAst = $$getAst;\n    return $parse;\n\n    function $parse(exp, interceptorFn) {\n      var parsedExpression, cacheKey;\n\n      switch (typeof exp) {\n        case 'string':\n          exp = exp.trim();\n          cacheKey = exp;\n\n          parsedExpression = cache[cacheKey];\n\n          if (!parsedExpression) {\n            var lexer = new Lexer($parseOptions);\n            var parser = new Parser(lexer, $filter, $parseOptions);\n            parsedExpression = parser.parse(exp);\n\n            cache[cacheKey] = addWatchDelegate(parsedExpression);\n          }\n          return addInterceptor(parsedExpression, interceptorFn);\n\n        case 'function':\n          return addInterceptor(exp, interceptorFn);\n\n        default:\n          return addInterceptor(noop, interceptorFn);\n      }\n    }\n\n    function $$getAst(exp) {\n      var lexer = new Lexer($parseOptions);\n      var parser = new Parser(lexer, $filter, $parseOptions);\n      return parser.getAst(exp).ast;\n    }\n\n    function expressionInputDirtyCheck(newValue, oldValueOfValue, compareObjectIdentity) {\n\n      if (newValue == null || oldValueOfValue == null) { // null/undefined\n        return newValue === oldValueOfValue;\n      }\n\n      if (typeof newValue === 'object') {\n\n        // attempt to convert the value to a primitive type\n        // TODO(docs): add a note to docs that by implementing valueOf even objects and arrays can\n        //             be cheaply dirty-checked\n        newValue = getValueOf(newValue);\n\n        if (typeof newValue === 'object' && !compareObjectIdentity) {\n          // objects/arrays are not supported - deep-watching them would be too expensive\n          return false;\n        }\n\n        // fall-through to the primitive equality check\n      }\n\n      //Primitive or NaN\n      // eslint-disable-next-line no-self-compare\n      return newValue === oldValueOfValue || (newValue !== newValue && oldValueOfValue !== oldValueOfValue);\n    }\n\n    function inputsWatchDelegate(scope, listener, objectEquality, parsedExpression, prettyPrintExpression) {\n      var inputExpressions = parsedExpression.inputs;\n      var lastResult;\n\n      if (inputExpressions.length === 1) {\n        var oldInputValueOf = expressionInputDirtyCheck; // init to something unique so that equals check fails\n        inputExpressions = inputExpressions[0];\n        return scope.$watch(function expressionInputWatch(scope) {\n          var newInputValue = inputExpressions(scope);\n          if (!expressionInputDirtyCheck(newInputValue, oldInputValueOf, inputExpressions.isPure)) {\n            lastResult = parsedExpression(scope, undefined, undefined, [newInputValue]);\n            oldInputValueOf = newInputValue && getValueOf(newInputValue);\n          }\n          return lastResult;\n        }, listener, objectEquality, prettyPrintExpression);\n      }\n\n      var oldInputValueOfValues = [];\n      var oldInputValues = [];\n      for (var i = 0, ii = inputExpressions.length; i < ii; i++) {\n        oldInputValueOfValues[i] = expressionInputDirtyCheck; // init to something unique so that equals check fails\n        oldInputValues[i] = null;\n      }\n\n      return scope.$watch(function expressionInputsWatch(scope) {\n        var changed = false;\n\n        for (var i = 0, ii = inputExpressions.length; i < ii; i++) {\n          var newInputValue = inputExpressions[i](scope);\n          if (changed || (changed = !expressionInputDirtyCheck(newInputValue, oldInputValueOfValues[i], inputExpressions[i].isPure))) {\n            oldInputValues[i] = newInputValue;\n            oldInputValueOfValues[i] = newInputValue && getValueOf(newInputValue);\n          }\n        }\n\n        if (changed) {\n          lastResult = parsedExpression(scope, undefined, undefined, oldInputValues);\n        }\n\n        return lastResult;\n      }, listener, objectEquality, prettyPrintExpression);\n    }\n\n    function oneTimeWatchDelegate(scope, listener, objectEquality, parsedExpression, prettyPrintExpression) {\n      var isDone = parsedExpression.literal ? isAllDefined : isDefined;\n      var unwatch, lastValue;\n\n      var exp = parsedExpression.$$intercepted || parsedExpression;\n      var post = parsedExpression.$$interceptor || identity;\n\n      var useInputs = parsedExpression.inputs && !exp.inputs;\n\n      // Propogate the literal/inputs/constant attributes\n      // ... but not oneTime since we are handling it\n      oneTimeWatch.literal = parsedExpression.literal;\n      oneTimeWatch.constant = parsedExpression.constant;\n      oneTimeWatch.inputs = parsedExpression.inputs;\n\n      // Allow other delegates to run on this wrapped expression\n      addWatchDelegate(oneTimeWatch);\n\n      unwatch = scope.$watch(oneTimeWatch, listener, objectEquality, prettyPrintExpression);\n\n      return unwatch;\n\n      function unwatchIfDone() {\n        if (isDone(lastValue)) {\n          unwatch();\n        }\n      }\n\n      function oneTimeWatch(scope, locals, assign, inputs) {\n        lastValue = useInputs && inputs ? inputs[0] : exp(scope, locals, assign, inputs);\n        if (isDone(lastValue)) {\n          scope.$$postDigest(unwatchIfDone);\n        }\n        return post(lastValue);\n      }\n    }\n\n    function isAllDefined(value) {\n      var allDefined = true;\n      forEach(value, function(val) {\n        if (!isDefined(val)) allDefined = false;\n      });\n      return allDefined;\n    }\n\n    function constantWatchDelegate(scope, listener, objectEquality, parsedExpression) {\n      var unwatch = scope.$watch(function constantWatch(scope) {\n        unwatch();\n        return parsedExpression(scope);\n      }, listener, objectEquality);\n      return unwatch;\n    }\n\n    function addWatchDelegate(parsedExpression) {\n      if (parsedExpression.constant) {\n        parsedExpression.$$watchDelegate = constantWatchDelegate;\n      } else if (parsedExpression.oneTime) {\n        parsedExpression.$$watchDelegate = oneTimeWatchDelegate;\n      } else if (parsedExpression.inputs) {\n        parsedExpression.$$watchDelegate = inputsWatchDelegate;\n      }\n\n      return parsedExpression;\n    }\n\n    function chainInterceptors(first, second) {\n      function chainedInterceptor(value) {\n        return second(first(value));\n      }\n      chainedInterceptor.$stateful = first.$stateful || second.$stateful;\n      chainedInterceptor.$$pure = first.$$pure && second.$$pure;\n\n      return chainedInterceptor;\n    }\n\n    function addInterceptor(parsedExpression, interceptorFn) {\n      if (!interceptorFn) return parsedExpression;\n\n      // Extract any existing interceptors out of the parsedExpression\n      // to ensure the original parsedExpression is always the $$intercepted\n      if (parsedExpression.$$interceptor) {\n        interceptorFn = chainInterceptors(parsedExpression.$$interceptor, interceptorFn);\n        parsedExpression = parsedExpression.$$intercepted;\n      }\n\n      var useInputs = false;\n\n      var fn = function interceptedExpression(scope, locals, assign, inputs) {\n        var value = useInputs && inputs ? inputs[0] : parsedExpression(scope, locals, assign, inputs);\n        return interceptorFn(value);\n      };\n\n      // Maintain references to the interceptor/intercepted\n      fn.$$intercepted = parsedExpression;\n      fn.$$interceptor = interceptorFn;\n\n      // Propogate the literal/oneTime/constant attributes\n      fn.literal = parsedExpression.literal;\n      fn.oneTime = parsedExpression.oneTime;\n      fn.constant = parsedExpression.constant;\n\n      // Treat the interceptor like filters.\n      // If it is not $stateful then only watch its inputs.\n      // If the expression itself has no inputs then use the full expression as an input.\n      if (!interceptorFn.$stateful) {\n        useInputs = !parsedExpression.inputs;\n        fn.inputs = parsedExpression.inputs ? parsedExpression.inputs : [parsedExpression];\n\n        if (!interceptorFn.$$pure) {\n          fn.inputs = fn.inputs.map(function(e) {\n              // Remove the isPure flag of inputs when it is not absolute because they are now wrapped in a\n              // non-pure interceptor function.\n              if (e.isPure === PURITY_RELATIVE) {\n                return function depurifier(s) { return e(s); };\n              }\n              return e;\n            });\n        }\n      }\n\n      return addWatchDelegate(fn);\n    }\n  }];\n}\n\n/**\n * @ngdoc service\n * @name $q\n * @requires $rootScope\n *\n * @description\n * A service that helps you run functions asynchronously, and use their return values (or exceptions)\n * when they are done processing.\n *\n * This is a [Promises/A+](https://promisesaplus.com/)-compliant implementation of promises/deferred\n * objects inspired by [Kris Kowal's Q](https://github.com/kriskowal/q).\n *\n * $q can be used in two fashions --- one which is more similar to Kris Kowal's Q or jQuery's Deferred\n * implementations, and the other which resembles ES6 (ES2015) promises to some degree.\n *\n * ## $q constructor\n *\n * The streamlined ES6 style promise is essentially just using $q as a constructor which takes a `resolver`\n * function as the first argument. This is similar to the native Promise implementation from ES6,\n * see [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise).\n *\n * While the constructor-style use is supported, not all of the supporting methods from ES6 promises are\n * available yet.\n *\n * It can be used like so:\n *\n * ```js\n *   // for the purpose of this example let's assume that variables `$q` and `okToGreet`\n *   // are available in the current lexical scope (they could have been injected or passed in).\n *\n *   function asyncGreet(name) {\n *     // perform some asynchronous operation, resolve or reject the promise when appropriate.\n *     return $q(function(resolve, reject) {\n *       setTimeout(function() {\n *         if (okToGreet(name)) {\n *           resolve('Hello, ' + name + '!');\n *         } else {\n *           reject('Greeting ' + name + ' is not allowed.');\n *         }\n *       }, 1000);\n *     });\n *   }\n *\n *   var promise = asyncGreet('Robin Hood');\n *   promise.then(function(greeting) {\n *     alert('Success: ' + greeting);\n *   }, function(reason) {\n *     alert('Failed: ' + reason);\n *   });\n * ```\n *\n * Note: progress/notify callbacks are not currently supported via the ES6-style interface.\n *\n * Note: unlike ES6 behavior, an exception thrown in the constructor function will NOT implicitly reject the promise.\n *\n * However, the more traditional CommonJS-style usage is still available, and documented below.\n *\n * [The CommonJS Promise proposal](http://wiki.commonjs.org/wiki/Promises) describes a promise as an\n * interface for interacting with an object that represents the result of an action that is\n * performed asynchronously, and may or may not be finished at any given point in time.\n *\n * From the perspective of dealing with error handling, deferred and promise APIs are to\n * asynchronous programming what `try`, `catch` and `throw` keywords are to synchronous programming.\n *\n * ```js\n *   // for the purpose of this example let's assume that variables `$q` and `okToGreet`\n *   // are available in the current lexical scope (they could have been injected or passed in).\n *\n *   function asyncGreet(name) {\n *     var deferred = $q.defer();\n *\n *     setTimeout(function() {\n *       deferred.notify('About to greet ' + name + '.');\n *\n *       if (okToGreet(name)) {\n *         deferred.resolve('Hello, ' + name + '!');\n *       } else {\n *         deferred.reject('Greeting ' + name + ' is not allowed.');\n *       }\n *     }, 1000);\n *\n *     return deferred.promise;\n *   }\n *\n *   var promise = asyncGreet('Robin Hood');\n *   promise.then(function(greeting) {\n *     alert('Success: ' + greeting);\n *   }, function(reason) {\n *     alert('Failed: ' + reason);\n *   }, function(update) {\n *     alert('Got notification: ' + update);\n *   });\n * ```\n *\n * At first it might not be obvious why this extra complexity is worth the trouble. The payoff\n * comes in the way of guarantees that promise and deferred APIs make, see\n * https://github.com/kriskowal/uncommonjs/blob/master/promises/specification.md.\n *\n * Additionally the promise api allows for composition that is very hard to do with the\n * traditional callback ([CPS](http://en.wikipedia.org/wiki/Continuation-passing_style)) approach.\n * For more on this please see the [Q documentation](https://github.com/kriskowal/q) especially the\n * section on serial or parallel joining of promises.\n *\n * ## The Deferred API\n *\n * A new instance of deferred is constructed by calling `$q.defer()`.\n *\n * The purpose of the deferred object is to expose the associated Promise instance as well as APIs\n * that can be used for signaling the successful or unsuccessful completion, as well as the status\n * of the task.\n *\n * **Methods**\n *\n * - `resolve(value)` – resolves the derived promise with the `value`. If the value is a rejection\n *   constructed via `$q.reject`, the promise will be rejected instead.\n * - `reject(reason)` – rejects the derived promise with the `reason`. This is equivalent to\n *   resolving it with a rejection constructed via `$q.reject`.\n * - `notify(value)` - provides updates on the status of the promise's execution. This may be called\n *   multiple times before the promise is either resolved or rejected.\n *\n * **Properties**\n *\n * - promise – `{Promise}` – promise object associated with this deferred.\n *\n *\n * ## The Promise API\n *\n * A new promise instance is created when a deferred instance is created and can be retrieved by\n * calling `deferred.promise`.\n *\n * The purpose of the promise object is to allow for interested parties to get access to the result\n * of the deferred task when it completes.\n *\n * **Methods**\n *\n * - `then(successCallback, [errorCallback], [notifyCallback])` – regardless of when the promise was or\n *   will be resolved or rejected, `then` calls one of the success or error callbacks asynchronously\n *   as soon as the result is available. The callbacks are called with a single argument: the result\n *   or rejection reason. Additionally, the notify callback may be called zero or more times to\n *   provide a progress indication, before the promise is resolved or rejected.\n *\n *   This method *returns a new promise* which is resolved or rejected via the return value of the\n *   `successCallback`, `errorCallback` (unless that value is a promise, in which case it is resolved\n *   with the value which is resolved in that promise using\n *   [promise chaining](http://www.html5rocks.com/en/tutorials/es6/promises/#toc-promises-queues)).\n *   It also notifies via the return value of the `notifyCallback` method. The promise cannot be\n *   resolved or rejected from the notifyCallback method. The errorCallback and notifyCallback\n *   arguments are optional.\n *\n * - `catch(errorCallback)` – shorthand for `promise.then(null, errorCallback)`\n *\n * - `finally(callback, notifyCallback)` – allows you to observe either the fulfillment or rejection of a promise,\n *   but to do so without modifying the final value. This is useful to release resources or do some\n *   clean-up that needs to be done whether the promise was rejected or resolved. See the [full\n *   specification](https://github.com/kriskowal/q/wiki/API-Reference#promisefinallycallback) for\n *   more information.\n *\n * ## Chaining promises\n *\n * Because calling the `then` method of a promise returns a new derived promise, it is easily\n * possible to create a chain of promises:\n *\n * ```js\n *   promiseB = promiseA.then(function(result) {\n *     return result + 1;\n *   });\n *\n *   // promiseB will be resolved immediately after promiseA is resolved and its value\n *   // will be the result of promiseA incremented by 1\n * ```\n *\n * It is possible to create chains of any length and since a promise can be resolved with another\n * promise (which will defer its resolution further), it is possible to pause/defer resolution of\n * the promises at any point in the chain. This makes it possible to implement powerful APIs like\n * $http's response interceptors.\n *\n *\n * ## Differences between Kris Kowal's Q and $q\n *\n *  There are two main differences:\n *\n * - $q is integrated with the {@link ng.$rootScope.Scope} Scope model observation\n *   mechanism in AngularJS, which means faster propagation of resolution or rejection into your\n *   models and avoiding unnecessary browser repaints, which would result in flickering UI.\n * - Q has many more features than $q, but that comes at a cost of bytes. $q is tiny, but contains\n *   all the important functionality needed for common async tasks.\n *\n * ## Testing\n *\n *  ```js\n *    it('should simulate promise', inject(function($q, $rootScope) {\n *      var deferred = $q.defer();\n *      var promise = deferred.promise;\n *      var resolvedValue;\n *\n *      promise.then(function(value) { resolvedValue = value; });\n *      expect(resolvedValue).toBeUndefined();\n *\n *      // Simulate resolving of promise\n *      deferred.resolve(123);\n *      // Note that the 'then' function does not get called synchronously.\n *      // This is because we want the promise API to always be async, whether or not\n *      // it got called synchronously or asynchronously.\n *      expect(resolvedValue).toBeUndefined();\n *\n *      // Propagate promise resolution to 'then' functions using $apply().\n *      $rootScope.$apply();\n *      expect(resolvedValue).toEqual(123);\n *    }));\n *  ```\n *\n * @param {function(function, function)} resolver Function which is responsible for resolving or\n *   rejecting the newly created promise. The first parameter is a function which resolves the\n *   promise, the second parameter is a function which rejects the promise.\n *\n * @returns {Promise} The newly created promise.\n */\n/**\n * @ngdoc provider\n * @name $qProvider\n * @this\n *\n * @description\n */\nfunction $QProvider() {\n  var errorOnUnhandledRejections = true;\n  this.$get = ['$rootScope', '$exceptionHandler', function($rootScope, $exceptionHandler) {\n    return qFactory(function(callback) {\n      $rootScope.$evalAsync(callback);\n    }, $exceptionHandler, errorOnUnhandledRejections);\n  }];\n\n  /**\n   * @ngdoc method\n   * @name $qProvider#errorOnUnhandledRejections\n   * @kind function\n   *\n   * @description\n   * Retrieves or overrides whether to generate an error when a rejected promise is not handled.\n   * This feature is enabled by default.\n   *\n   * @param {boolean=} value Whether to generate an error when a rejected promise is not handled.\n   * @returns {boolean|ng.$qProvider} Current value when called without a new value or self for\n   *    chaining otherwise.\n   */\n  this.errorOnUnhandledRejections = function(value) {\n    if (isDefined(value)) {\n      errorOnUnhandledRejections = value;\n      return this;\n    } else {\n      return errorOnUnhandledRejections;\n    }\n  };\n}\n\n/** @this */\nfunction $$QProvider() {\n  var errorOnUnhandledRejections = true;\n  this.$get = ['$browser', '$exceptionHandler', function($browser, $exceptionHandler) {\n    return qFactory(function(callback) {\n      $browser.defer(callback);\n    }, $exceptionHandler, errorOnUnhandledRejections);\n  }];\n\n  this.errorOnUnhandledRejections = function(value) {\n    if (isDefined(value)) {\n      errorOnUnhandledRejections = value;\n      return this;\n    } else {\n      return errorOnUnhandledRejections;\n    }\n  };\n}\n\n/**\n * Constructs a promise manager.\n *\n * @param {function(function)} nextTick Function for executing functions in the next turn.\n * @param {function(...*)} exceptionHandler Function into which unexpected exceptions are passed for\n *     debugging purposes.\n * @param {boolean=} errorOnUnhandledRejections Whether an error should be generated on unhandled\n *     promises rejections.\n * @returns {object} Promise manager.\n */\nfunction qFactory(nextTick, exceptionHandler, errorOnUnhandledRejections) {\n  var $qMinErr = minErr('$q', TypeError);\n  var queueSize = 0;\n  var checkQueue = [];\n\n  /**\n   * @ngdoc method\n   * @name ng.$q#defer\n   * @kind function\n   *\n   * @description\n   * Creates a `Deferred` object which represents a task which will finish in the future.\n   *\n   * @returns {Deferred} Returns a new instance of deferred.\n   */\n  function defer() {\n    return new Deferred();\n  }\n\n  function Deferred() {\n    var promise = this.promise = new Promise();\n    //Non prototype methods necessary to support unbound execution :/\n    this.resolve = function(val) { resolvePromise(promise, val); };\n    this.reject = function(reason) { rejectPromise(promise, reason); };\n    this.notify = function(progress) { notifyPromise(promise, progress); };\n  }\n\n\n  function Promise() {\n    this.$$state = { status: 0 };\n  }\n\n  extend(Promise.prototype, {\n    then: function(onFulfilled, onRejected, progressBack) {\n      if (isUndefined(onFulfilled) && isUndefined(onRejected) && isUndefined(progressBack)) {\n        return this;\n      }\n      var result = new Promise();\n\n      this.$$state.pending = this.$$state.pending || [];\n      this.$$state.pending.push([result, onFulfilled, onRejected, progressBack]);\n      if (this.$$state.status > 0) scheduleProcessQueue(this.$$state);\n\n      return result;\n    },\n\n    'catch': function(callback) {\n      return this.then(null, callback);\n    },\n\n    'finally': function(callback, progressBack) {\n      return this.then(function(value) {\n        return handleCallback(value, resolve, callback);\n      }, function(error) {\n        return handleCallback(error, reject, callback);\n      }, progressBack);\n    }\n  });\n\n  function processQueue(state) {\n    var fn, promise, pending;\n\n    pending = state.pending;\n    state.processScheduled = false;\n    state.pending = undefined;\n    try {\n      for (var i = 0, ii = pending.length; i < ii; ++i) {\n        markQStateExceptionHandled(state);\n        promise = pending[i][0];\n        fn = pending[i][state.status];\n        try {\n          if (isFunction(fn)) {\n            resolvePromise(promise, fn(state.value));\n          } else if (state.status === 1) {\n            resolvePromise(promise, state.value);\n          } else {\n            rejectPromise(promise, state.value);\n          }\n        } catch (e) {\n          rejectPromise(promise, e);\n          // This error is explicitly marked for being passed to the $exceptionHandler\n          if (e && e.$$passToExceptionHandler === true) {\n            exceptionHandler(e);\n          }\n        }\n      }\n    } finally {\n      --queueSize;\n      if (errorOnUnhandledRejections && queueSize === 0) {\n        nextTick(processChecks);\n      }\n    }\n  }\n\n  function processChecks() {\n    // eslint-disable-next-line no-unmodified-loop-condition\n    while (!queueSize && checkQueue.length) {\n      var toCheck = checkQueue.shift();\n      if (!isStateExceptionHandled(toCheck)) {\n        markQStateExceptionHandled(toCheck);\n        var errorMessage = 'Possibly unhandled rejection: ' + toDebugString(toCheck.value);\n        if (isError(toCheck.value)) {\n          exceptionHandler(toCheck.value, errorMessage);\n        } else {\n          exceptionHandler(errorMessage);\n        }\n      }\n    }\n  }\n\n  function scheduleProcessQueue(state) {\n    if (errorOnUnhandledRejections && !state.pending && state.status === 2 && !isStateExceptionHandled(state)) {\n      if (queueSize === 0 && checkQueue.length === 0) {\n        nextTick(processChecks);\n      }\n      checkQueue.push(state);\n    }\n    if (state.processScheduled || !state.pending) return;\n    state.processScheduled = true;\n    ++queueSize;\n    nextTick(function() { processQueue(state); });\n  }\n\n  function resolvePromise(promise, val) {\n    if (promise.$$state.status) return;\n    if (val === promise) {\n      $$reject(promise, $qMinErr(\n        'qcycle',\n        'Expected promise to be resolved with value other than itself \\'{0}\\'',\n        val));\n    } else {\n      $$resolve(promise, val);\n    }\n\n  }\n\n  function $$resolve(promise, val) {\n    var then;\n    var done = false;\n    try {\n      if (isObject(val) || isFunction(val)) then = val.then;\n      if (isFunction(then)) {\n        promise.$$state.status = -1;\n        then.call(val, doResolve, doReject, doNotify);\n      } else {\n        promise.$$state.value = val;\n        promise.$$state.status = 1;\n        scheduleProcessQueue(promise.$$state);\n      }\n    } catch (e) {\n      doReject(e);\n    }\n\n    function doResolve(val) {\n      if (done) return;\n      done = true;\n      $$resolve(promise, val);\n    }\n    function doReject(val) {\n      if (done) return;\n      done = true;\n      $$reject(promise, val);\n    }\n    function doNotify(progress) {\n      notifyPromise(promise, progress);\n    }\n  }\n\n  function rejectPromise(promise, reason) {\n    if (promise.$$state.status) return;\n    $$reject(promise, reason);\n  }\n\n  function $$reject(promise, reason) {\n    promise.$$state.value = reason;\n    promise.$$state.status = 2;\n    scheduleProcessQueue(promise.$$state);\n  }\n\n  function notifyPromise(promise, progress) {\n    var callbacks = promise.$$state.pending;\n\n    if ((promise.$$state.status <= 0) && callbacks && callbacks.length) {\n      nextTick(function() {\n        var callback, result;\n        for (var i = 0, ii = callbacks.length; i < ii; i++) {\n          result = callbacks[i][0];\n          callback = callbacks[i][3];\n          try {\n            notifyPromise(result, isFunction(callback) ? callback(progress) : progress);\n          } catch (e) {\n            exceptionHandler(e);\n          }\n        }\n      });\n    }\n  }\n\n  /**\n   * @ngdoc method\n   * @name $q#reject\n   * @kind function\n   *\n   * @description\n   * Creates a promise that is resolved as rejected with the specified `reason`. This api should be\n   * used to forward rejection in a chain of promises. If you are dealing with the last promise in\n   * a promise chain, you don't need to worry about it.\n   *\n   * When comparing deferreds/promises to the familiar behavior of try/catch/throw, think of\n   * `reject` as the `throw` keyword in JavaScript. This also means that if you \"catch\" an error via\n   * a promise error callback and you want to forward the error to the promise derived from the\n   * current promise, you have to \"rethrow\" the error by returning a rejection constructed via\n   * `reject`.\n   *\n   * ```js\n   *   promiseB = promiseA.then(function(result) {\n   *     // success: do something and resolve promiseB\n   *     //          with the old or a new result\n   *     return result;\n   *   }, function(reason) {\n   *     // error: handle the error if possible and\n   *     //        resolve promiseB with newPromiseOrValue,\n   *     //        otherwise forward the rejection to promiseB\n   *     if (canHandle(reason)) {\n   *      // handle the error and recover\n   *      return newPromiseOrValue;\n   *     }\n   *     return $q.reject(reason);\n   *   });\n   * ```\n   *\n   * @param {*} reason Constant, message, exception or an object representing the rejection reason.\n   * @returns {Promise} Returns a promise that was already resolved as rejected with the `reason`.\n   */\n  function reject(reason) {\n    var result = new Promise();\n    rejectPromise(result, reason);\n    return result;\n  }\n\n  function handleCallback(value, resolver, callback) {\n    var callbackOutput = null;\n    try {\n      if (isFunction(callback)) callbackOutput = callback();\n    } catch (e) {\n      return reject(e);\n    }\n    if (isPromiseLike(callbackOutput)) {\n      return callbackOutput.then(function() {\n        return resolver(value);\n      }, reject);\n    } else {\n      return resolver(value);\n    }\n  }\n\n  /**\n   * @ngdoc method\n   * @name $q#when\n   * @kind function\n   *\n   * @description\n   * Wraps an object that might be a value or a (3rd party) then-able promise into a $q promise.\n   * This is useful when you are dealing with an object that might or might not be a promise, or if\n   * the promise comes from a source that can't be trusted.\n   *\n   * @param {*} value Value or a promise\n   * @param {Function=} successCallback\n   * @param {Function=} errorCallback\n   * @param {Function=} progressCallback\n   * @returns {Promise} Returns a promise of the passed value or promise\n   */\n\n\n  function when(value, callback, errback, progressBack) {\n    var result = new Promise();\n    resolvePromise(result, value);\n    return result.then(callback, errback, progressBack);\n  }\n\n  /**\n   * @ngdoc method\n   * @name $q#resolve\n   * @kind function\n   *\n   * @description\n   * Alias of {@link ng.$q#when when} to maintain naming consistency with ES6.\n   *\n   * @param {*} value Value or a promise\n   * @param {Function=} successCallback\n   * @param {Function=} errorCallback\n   * @param {Function=} progressCallback\n   * @returns {Promise} Returns a promise of the passed value or promise\n   */\n  var resolve = when;\n\n  /**\n   * @ngdoc method\n   * @name $q#all\n   * @kind function\n   *\n   * @description\n   * Combines multiple promises into a single promise that is resolved when all of the input\n   * promises are resolved.\n   *\n   * @param {Array.<Promise>|Object.<Promise>} promises An array or hash of promises.\n   * @returns {Promise} Returns a single promise that will be resolved with an array/hash of values,\n   *   each value corresponding to the promise at the same index/key in the `promises` array/hash.\n   *   If any of the promises is resolved with a rejection, this resulting promise will be rejected\n   *   with the same rejection value.\n   */\n\n  function all(promises) {\n    var result = new Promise(),\n        counter = 0,\n        results = isArray(promises) ? [] : {};\n\n    forEach(promises, function(promise, key) {\n      counter++;\n      when(promise).then(function(value) {\n        results[key] = value;\n        if (!(--counter)) resolvePromise(result, results);\n      }, function(reason) {\n        rejectPromise(result, reason);\n      });\n    });\n\n    if (counter === 0) {\n      resolvePromise(result, results);\n    }\n\n    return result;\n  }\n\n  /**\n   * @ngdoc method\n   * @name $q#race\n   * @kind function\n   *\n   * @description\n   * Returns a promise that resolves or rejects as soon as one of those promises\n   * resolves or rejects, with the value or reason from that promise.\n   *\n   * @param {Array.<Promise>|Object.<Promise>} promises An array or hash of promises.\n   * @returns {Promise} a promise that resolves or rejects as soon as one of the `promises`\n   * resolves or rejects, with the value or reason from that promise.\n   */\n\n  function race(promises) {\n    var deferred = defer();\n\n    forEach(promises, function(promise) {\n      when(promise).then(deferred.resolve, deferred.reject);\n    });\n\n    return deferred.promise;\n  }\n\n  function $Q(resolver) {\n    if (!isFunction(resolver)) {\n      throw $qMinErr('norslvr', 'Expected resolverFn, got \\'{0}\\'', resolver);\n    }\n\n    var promise = new Promise();\n\n    function resolveFn(value) {\n      resolvePromise(promise, value);\n    }\n\n    function rejectFn(reason) {\n      rejectPromise(promise, reason);\n    }\n\n    resolver(resolveFn, rejectFn);\n\n    return promise;\n  }\n\n  // Let's make the instanceof operator work for promises, so that\n  // `new $q(fn) instanceof $q` would evaluate to true.\n  $Q.prototype = Promise.prototype;\n\n  $Q.defer = defer;\n  $Q.reject = reject;\n  $Q.when = when;\n  $Q.resolve = resolve;\n  $Q.all = all;\n  $Q.race = race;\n\n  return $Q;\n}\n\nfunction isStateExceptionHandled(state) {\n  return !!state.pur;\n}\nfunction markQStateExceptionHandled(state) {\n  state.pur = true;\n}\nfunction markQExceptionHandled(q) {\n  // Built-in `$q` promises will always have a `$$state` property. This check is to allow\n  // overwriting `$q` with a different promise library (e.g. Bluebird + angular-bluebird-promises).\n  // (Currently, this is the only method that might be called with a promise, even if it is not\n  // created by the built-in `$q`.)\n  if (q.$$state) {\n    markQStateExceptionHandled(q.$$state);\n  }\n}\n\n/** @this */\nfunction $$RAFProvider() { //rAF\n  this.$get = ['$window', '$timeout', function($window, $timeout) {\n    var requestAnimationFrame = $window.requestAnimationFrame ||\n                                $window.webkitRequestAnimationFrame;\n\n    var cancelAnimationFrame = $window.cancelAnimationFrame ||\n                               $window.webkitCancelAnimationFrame ||\n                               $window.webkitCancelRequestAnimationFrame;\n\n    var rafSupported = !!requestAnimationFrame;\n    var raf = rafSupported\n      ? function(fn) {\n          var id = requestAnimationFrame(fn);\n          return function() {\n            cancelAnimationFrame(id);\n          };\n        }\n      : function(fn) {\n          var timer = $timeout(fn, 16.66, false); // 1000 / 60 = 16.666\n          return function() {\n            $timeout.cancel(timer);\n          };\n        };\n\n    raf.supported = rafSupported;\n\n    return raf;\n  }];\n}\n\n/**\n * DESIGN NOTES\n *\n * The design decisions behind the scope are heavily favored for speed and memory consumption.\n *\n * The typical use of scope is to watch the expressions, which most of the time return the same\n * value as last time so we optimize the operation.\n *\n * Closures construction is expensive in terms of speed as well as memory:\n *   - No closures, instead use prototypical inheritance for API\n *   - Internal state needs to be stored on scope directly, which means that private state is\n *     exposed as $$____ properties\n *\n * Loop operations are optimized by using while(count--) { ... }\n *   - This means that in order to keep the same order of execution as addition we have to add\n *     items to the array at the beginning (unshift) instead of at the end (push)\n *\n * Child scopes are created and removed often\n *   - Using an array would be slow since inserts in the middle are expensive; so we use linked lists\n *\n * There are fewer watches than observers. This is why you don't want the observer to be implemented\n * in the same way as watch. Watch requires return of the initialization function which is expensive\n * to construct.\n */\n\n\n/**\n * @ngdoc provider\n * @name $rootScopeProvider\n * @description\n *\n * Provider for the $rootScope service.\n */\n\n/**\n * @ngdoc method\n * @name $rootScopeProvider#digestTtl\n * @description\n *\n * Sets the number of `$digest` iterations the scope should attempt to execute before giving up and\n * assuming that the model is unstable.\n *\n * The current default is 10 iterations.\n *\n * In complex applications it's possible that the dependencies between `$watch`s will result in\n * several digest iterations. However if an application needs more than the default 10 digest\n * iterations for its model to stabilize then you should investigate what is causing the model to\n * continuously change during the digest.\n *\n * Increasing the TTL could have performance implications, so you should not change it without\n * proper justification.\n *\n * @param {number} limit The number of digest iterations.\n */\n\n\n/**\n * @ngdoc service\n * @name $rootScope\n * @this\n *\n * @description\n *\n * Every application has a single root {@link ng.$rootScope.Scope scope}.\n * All other scopes are descendant scopes of the root scope. Scopes provide separation\n * between the model and the view, via a mechanism for watching the model for changes.\n * They also provide event emission/broadcast and subscription facility. See the\n * {@link guide/scope developer guide on scopes}.\n */\nfunction $RootScopeProvider() {\n  var TTL = 10;\n  var $rootScopeMinErr = minErr('$rootScope');\n  var lastDirtyWatch = null;\n  var applyAsyncId = null;\n\n  this.digestTtl = function(value) {\n    if (arguments.length) {\n      TTL = value;\n    }\n    return TTL;\n  };\n\n  function createChildScopeClass(parent) {\n    function ChildScope() {\n      this.$$watchers = this.$$nextSibling =\n          this.$$childHead = this.$$childTail = null;\n      this.$$listeners = {};\n      this.$$listenerCount = {};\n      this.$$watchersCount = 0;\n      this.$id = nextUid();\n      this.$$ChildScope = null;\n      this.$$suspended = false;\n    }\n    ChildScope.prototype = parent;\n    return ChildScope;\n  }\n\n  this.$get = ['$exceptionHandler', '$parse', '$browser',\n      function($exceptionHandler, $parse, $browser) {\n\n    function destroyChildScope($event) {\n        $event.currentScope.$$destroyed = true;\n    }\n\n    function cleanUpScope($scope) {\n\n      // Support: IE 9 only\n      if (msie === 9) {\n        // There is a memory leak in IE9 if all child scopes are not disconnected\n        // completely when a scope is destroyed. So this code will recurse up through\n        // all this scopes children\n        //\n        // See issue https://github.com/angular/angular.js/issues/10706\n        if ($scope.$$childHead) {\n          cleanUpScope($scope.$$childHead);\n        }\n        if ($scope.$$nextSibling) {\n          cleanUpScope($scope.$$nextSibling);\n        }\n      }\n\n      // The code below works around IE9 and V8's memory leaks\n      //\n      // See:\n      // - https://code.google.com/p/v8/issues/detail?id=2073#c26\n      // - https://github.com/angular/angular.js/issues/6794#issuecomment-38648909\n      // - https://github.com/angular/angular.js/issues/1313#issuecomment-10378451\n\n      $scope.$parent = $scope.$$nextSibling = $scope.$$prevSibling = $scope.$$childHead =\n          $scope.$$childTail = $scope.$root = $scope.$$watchers = null;\n    }\n\n    /**\n     * @ngdoc type\n     * @name $rootScope.Scope\n     *\n     * @description\n     * A root scope can be retrieved using the {@link ng.$rootScope $rootScope} key from the\n     * {@link auto.$injector $injector}. Child scopes are created using the\n     * {@link ng.$rootScope.Scope#$new $new()} method. (Most scopes are created automatically when\n     * compiled HTML template is executed.) See also the {@link guide/scope Scopes guide} for\n     * an in-depth introduction and usage examples.\n     *\n     *\n     * ## Inheritance\n     * A scope can inherit from a parent scope, as in this example:\n     * ```js\n         var parent = $rootScope;\n         var child = parent.$new();\n\n         parent.salutation = \"Hello\";\n         expect(child.salutation).toEqual('Hello');\n\n         child.salutation = \"Welcome\";\n         expect(child.salutation).toEqual('Welcome');\n         expect(parent.salutation).toEqual('Hello');\n     * ```\n     *\n     * When interacting with `Scope` in tests, additional helper methods are available on the\n     * instances of `Scope` type. See {@link ngMock.$rootScope.Scope ngMock Scope} for additional\n     * details.\n     *\n     *\n     * @param {Object.<string, function()>=} providers Map of service factory which need to be\n     *                                       provided for the current scope. Defaults to {@link ng}.\n     * @param {Object.<string, *>=} instanceCache Provides pre-instantiated services which should\n     *                              append/override services provided by `providers`. This is handy\n     *                              when unit-testing and having the need to override a default\n     *                              service.\n     * @returns {Object} Newly created scope.\n     *\n     */\n    function Scope() {\n      this.$id = nextUid();\n      this.$$phase = this.$parent = this.$$watchers =\n                     this.$$nextSibling = this.$$prevSibling =\n                     this.$$childHead = this.$$childTail = null;\n      this.$root = this;\n      this.$$destroyed = false;\n      this.$$suspended = false;\n      this.$$listeners = {};\n      this.$$listenerCount = {};\n      this.$$watchersCount = 0;\n      this.$$isolateBindings = null;\n    }\n\n    /**\n     * @ngdoc property\n     * @name $rootScope.Scope#$id\n     *\n     * @description\n     * Unique scope ID (monotonically increasing) useful for debugging.\n     */\n\n     /**\n      * @ngdoc property\n      * @name $rootScope.Scope#$parent\n      *\n      * @description\n      * Reference to the parent scope.\n      */\n\n      /**\n       * @ngdoc property\n       * @name $rootScope.Scope#$root\n       *\n       * @description\n       * Reference to the root scope.\n       */\n\n    Scope.prototype = {\n      constructor: Scope,\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$new\n       * @kind function\n       *\n       * @description\n       * Creates a new child {@link ng.$rootScope.Scope scope}.\n       *\n       * The parent scope will propagate the {@link ng.$rootScope.Scope#$digest $digest()} event.\n       * The scope can be removed from the scope hierarchy using {@link ng.$rootScope.Scope#$destroy $destroy()}.\n       *\n       * {@link ng.$rootScope.Scope#$destroy $destroy()} must be called on a scope when it is\n       * desired for the scope and its child scopes to be permanently detached from the parent and\n       * thus stop participating in model change detection and listener notification by invoking.\n       *\n       * @param {boolean} isolate If true, then the scope does not prototypically inherit from the\n       *         parent scope. The scope is isolated, as it can not see parent scope properties.\n       *         When creating widgets, it is useful for the widget to not accidentally read parent\n       *         state.\n       *\n       * @param {Scope} [parent=this] The {@link ng.$rootScope.Scope `Scope`} that will be the `$parent`\n       *                              of the newly created scope. Defaults to `this` scope if not provided.\n       *                              This is used when creating a transclude scope to correctly place it\n       *                              in the scope hierarchy while maintaining the correct prototypical\n       *                              inheritance.\n       *\n       * @returns {Object} The newly created child scope.\n       *\n       */\n      $new: function(isolate, parent) {\n        var child;\n\n        parent = parent || this;\n\n        if (isolate) {\n          child = new Scope();\n          child.$root = this.$root;\n        } else {\n          // Only create a child scope class if somebody asks for one,\n          // but cache it to allow the VM to optimize lookups.\n          if (!this.$$ChildScope) {\n            this.$$ChildScope = createChildScopeClass(this);\n          }\n          child = new this.$$ChildScope();\n        }\n        child.$parent = parent;\n        child.$$prevSibling = parent.$$childTail;\n        if (parent.$$childHead) {\n          parent.$$childTail.$$nextSibling = child;\n          parent.$$childTail = child;\n        } else {\n          parent.$$childHead = parent.$$childTail = child;\n        }\n\n        // When the new scope is not isolated or we inherit from `this`, and\n        // the parent scope is destroyed, the property `$$destroyed` is inherited\n        // prototypically. In all other cases, this property needs to be set\n        // when the parent scope is destroyed.\n        // The listener needs to be added after the parent is set\n        if (isolate || parent !== this) child.$on('$destroy', destroyChildScope);\n\n        return child;\n      },\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$watch\n       * @kind function\n       *\n       * @description\n       * Registers a `listener` callback to be executed whenever the `watchExpression` changes.\n       *\n       * - The `watchExpression` is called on every call to {@link ng.$rootScope.Scope#$digest\n       *   $digest()} and should return the value that will be watched. (`watchExpression` should not change\n       *   its value when executed multiple times with the same input because it may be executed multiple\n       *   times by {@link ng.$rootScope.Scope#$digest $digest()}. That is, `watchExpression` should be\n       *   [idempotent](http://en.wikipedia.org/wiki/Idempotence).)\n       * - The `listener` is called only when the value from the current `watchExpression` and the\n       *   previous call to `watchExpression` are not equal (with the exception of the initial run,\n       *   see below). Inequality is determined according to reference inequality,\n       *   [strict comparison](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Comparison_Operators)\n       *    via the `!==` Javascript operator, unless `objectEquality == true`\n       *   (see next point)\n       * - When `objectEquality == true`, inequality of the `watchExpression` is determined\n       *   according to the {@link angular.equals} function. To save the value of the object for\n       *   later comparison, the {@link angular.copy} function is used. This therefore means that\n       *   watching complex objects will have adverse memory and performance implications.\n       * - This should not be used to watch for changes in objects that are (or contain)\n       *   [File](https://developer.mozilla.org/docs/Web/API/File) objects due to limitations with {@link angular.copy `angular.copy`}.\n       * - The watch `listener` may change the model, which may trigger other `listener`s to fire.\n       *   This is achieved by rerunning the watchers until no changes are detected. The rerun\n       *   iteration limit is 10 to prevent an infinite loop deadlock.\n       *\n       *\n       * If you want to be notified whenever {@link ng.$rootScope.Scope#$digest $digest} is called,\n       * you can register a `watchExpression` function with no `listener`. (Be prepared for\n       * multiple calls to your `watchExpression` because it will execute multiple times in a\n       * single {@link ng.$rootScope.Scope#$digest $digest} cycle if a change is detected.)\n       *\n       * After a watcher is registered with the scope, the `listener` fn is called asynchronously\n       * (via {@link ng.$rootScope.Scope#$evalAsync $evalAsync}) to initialize the\n       * watcher. In rare cases, this is undesirable because the listener is called when the result\n       * of `watchExpression` didn't change. To detect this scenario within the `listener` fn, you\n       * can compare the `newVal` and `oldVal`. If these two values are identical (`===`) then the\n       * listener was called due to initialization.\n       *\n       *\n       *\n       * @example\n       * ```js\n           // let's assume that scope was dependency injected as the $rootScope\n           var scope = $rootScope;\n           scope.name = 'misko';\n           scope.counter = 0;\n\n           expect(scope.counter).toEqual(0);\n           scope.$watch('name', function(newValue, oldValue) {\n             scope.counter = scope.counter + 1;\n           });\n           expect(scope.counter).toEqual(0);\n\n           scope.$digest();\n           // the listener is always called during the first $digest loop after it was registered\n           expect(scope.counter).toEqual(1);\n\n           scope.$digest();\n           // but now it will not be called unless the value changes\n           expect(scope.counter).toEqual(1);\n\n           scope.name = 'adam';\n           scope.$digest();\n           expect(scope.counter).toEqual(2);\n\n\n\n           // Using a function as a watchExpression\n           var food;\n           scope.foodCounter = 0;\n           expect(scope.foodCounter).toEqual(0);\n           scope.$watch(\n             // This function returns the value being watched. It is called for each turn of the $digest loop\n             function() { return food; },\n             // This is the change listener, called when the value returned from the above function changes\n             function(newValue, oldValue) {\n               if ( newValue !== oldValue ) {\n                 // Only increment the counter if the value changed\n                 scope.foodCounter = scope.foodCounter + 1;\n               }\n             }\n           );\n           // No digest has been run so the counter will be zero\n           expect(scope.foodCounter).toEqual(0);\n\n           // Run the digest but since food has not changed count will still be zero\n           scope.$digest();\n           expect(scope.foodCounter).toEqual(0);\n\n           // Update food and run digest.  Now the counter will increment\n           food = 'cheeseburger';\n           scope.$digest();\n           expect(scope.foodCounter).toEqual(1);\n\n       * ```\n       *\n       *\n       *\n       * @param {(function()|string)} watchExpression Expression that is evaluated on each\n       *    {@link ng.$rootScope.Scope#$digest $digest} cycle. A change in the return value triggers\n       *    a call to the `listener`.\n       *\n       *    - `string`: Evaluated as {@link guide/expression expression}\n       *    - `function(scope)`: called with current `scope` as a parameter.\n       * @param {function(newVal, oldVal, scope)} listener Callback called whenever the value\n       *    of `watchExpression` changes.\n       *\n       *    - `newVal` contains the current value of the `watchExpression`\n       *    - `oldVal` contains the previous value of the `watchExpression`\n       *    - `scope` refers to the current scope\n       * @param {boolean=} [objectEquality=false] Compare for object equality using {@link angular.equals} instead of\n       *     comparing for reference equality.\n       * @returns {function()} Returns a deregistration function for this listener.\n       */\n      $watch: function(watchExp, listener, objectEquality, prettyPrintExpression) {\n        var get = $parse(watchExp);\n        var fn = isFunction(listener) ? listener : noop;\n\n        if (get.$$watchDelegate) {\n          return get.$$watchDelegate(this, fn, objectEquality, get, watchExp);\n        }\n        var scope = this,\n            array = scope.$$watchers,\n            watcher = {\n              fn: fn,\n              last: initWatchVal,\n              get: get,\n              exp: prettyPrintExpression || watchExp,\n              eq: !!objectEquality\n            };\n\n        lastDirtyWatch = null;\n\n        if (!array) {\n          array = scope.$$watchers = [];\n          array.$$digestWatchIndex = -1;\n        }\n        // we use unshift since we use a while loop in $digest for speed.\n        // the while loop reads in reverse order.\n        array.unshift(watcher);\n        array.$$digestWatchIndex++;\n        incrementWatchersCount(this, 1);\n\n        return function deregisterWatch() {\n          var index = arrayRemove(array, watcher);\n          if (index >= 0) {\n            incrementWatchersCount(scope, -1);\n            if (index < array.$$digestWatchIndex) {\n              array.$$digestWatchIndex--;\n            }\n          }\n          lastDirtyWatch = null;\n        };\n      },\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$watchGroup\n       * @kind function\n       *\n       * @description\n       * A variant of {@link ng.$rootScope.Scope#$watch $watch()} where it watches an array of `watchExpressions`.\n       * If any one expression in the collection changes the `listener` is executed.\n       *\n       * - The items in the `watchExpressions` array are observed via the standard `$watch` operation. Their return\n       *   values are examined for changes on every call to `$digest`.\n       * - The `listener` is called whenever any expression in the `watchExpressions` array changes.\n       *\n       * @param {Array.<string|Function(scope)>} watchExpressions Array of expressions that will be individually\n       * watched using {@link ng.$rootScope.Scope#$watch $watch()}\n       *\n       * @param {function(newValues, oldValues, scope)} listener Callback called whenever the return value of any\n       *    expression in `watchExpressions` changes\n       *    The `newValues` array contains the current values of the `watchExpressions`, with the indexes matching\n       *    those of `watchExpression`\n       *    and the `oldValues` array contains the previous values of the `watchExpressions`, with the indexes matching\n       *    those of `watchExpression`\n       *    The `scope` refers to the current scope.\n       * @returns {function()} Returns a de-registration function for all listeners.\n       */\n      $watchGroup: function(watchExpressions, listener) {\n        var oldValues = new Array(watchExpressions.length);\n        var newValues = new Array(watchExpressions.length);\n        var deregisterFns = [];\n        var self = this;\n        var changeReactionScheduled = false;\n        var firstRun = true;\n\n        if (!watchExpressions.length) {\n          // No expressions means we call the listener ASAP\n          var shouldCall = true;\n          self.$evalAsync(function() {\n            if (shouldCall) listener(newValues, newValues, self);\n          });\n          return function deregisterWatchGroup() {\n            shouldCall = false;\n          };\n        }\n\n        if (watchExpressions.length === 1) {\n          // Special case size of one\n          return this.$watch(watchExpressions[0], function watchGroupAction(value, oldValue, scope) {\n            newValues[0] = value;\n            oldValues[0] = oldValue;\n            listener(newValues, (value === oldValue) ? newValues : oldValues, scope);\n          });\n        }\n\n        forEach(watchExpressions, function(expr, i) {\n          var unwatchFn = self.$watch(expr, function watchGroupSubAction(value) {\n            newValues[i] = value;\n            if (!changeReactionScheduled) {\n              changeReactionScheduled = true;\n              self.$evalAsync(watchGroupAction);\n            }\n          });\n          deregisterFns.push(unwatchFn);\n        });\n\n        function watchGroupAction() {\n          changeReactionScheduled = false;\n\n          try {\n            if (firstRun) {\n              firstRun = false;\n              listener(newValues, newValues, self);\n            } else {\n              listener(newValues, oldValues, self);\n            }\n          } finally {\n            for (var i = 0; i < watchExpressions.length; i++) {\n              oldValues[i] = newValues[i];\n            }\n          }\n        }\n\n        return function deregisterWatchGroup() {\n          while (deregisterFns.length) {\n            deregisterFns.shift()();\n          }\n        };\n      },\n\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$watchCollection\n       * @kind function\n       *\n       * @description\n       * Shallow watches the properties of an object and fires whenever any of the properties change\n       * (for arrays, this implies watching the array items; for object maps, this implies watching\n       * the properties). If a change is detected, the `listener` callback is fired.\n       *\n       * - The `obj` collection is observed via standard $watch operation and is examined on every\n       *   call to $digest() to see if any items have been added, removed, or moved.\n       * - The `listener` is called whenever anything within the `obj` has changed. Examples include\n       *   adding, removing, and moving items belonging to an object or array.\n       *\n       *\n       * @example\n       * ```js\n          $scope.names = ['igor', 'matias', 'misko', 'james'];\n          $scope.dataCount = 4;\n\n          $scope.$watchCollection('names', function(newNames, oldNames) {\n            $scope.dataCount = newNames.length;\n          });\n\n          expect($scope.dataCount).toEqual(4);\n          $scope.$digest();\n\n          //still at 4 ... no changes\n          expect($scope.dataCount).toEqual(4);\n\n          $scope.names.pop();\n          $scope.$digest();\n\n          //now there's been a change\n          expect($scope.dataCount).toEqual(3);\n       * ```\n       *\n       *\n       * @param {string|function(scope)} obj Evaluated as {@link guide/expression expression}. The\n       *    expression value should evaluate to an object or an array which is observed on each\n       *    {@link ng.$rootScope.Scope#$digest $digest} cycle. Any shallow change within the\n       *    collection will trigger a call to the `listener`.\n       *\n       * @param {function(newCollection, oldCollection, scope)} listener a callback function called\n       *    when a change is detected.\n       *    - The `newCollection` object is the newly modified data obtained from the `obj` expression\n       *    - The `oldCollection` object is a copy of the former collection data.\n       *      Due to performance considerations, the`oldCollection` value is computed only if the\n       *      `listener` function declares two or more arguments.\n       *    - The `scope` argument refers to the current scope.\n       *\n       * @returns {function()} Returns a de-registration function for this listener. When the\n       *    de-registration function is executed, the internal watch operation is terminated.\n       */\n      $watchCollection: function(obj, listener) {\n        // Mark the interceptor as\n        // ... $$pure when literal since the instance will change when any input changes\n        $watchCollectionInterceptor.$$pure = $parse(obj).literal;\n        // ... $stateful when non-literal since we must read the state of the collection\n        $watchCollectionInterceptor.$stateful = !$watchCollectionInterceptor.$$pure;\n\n        var self = this;\n        // the current value, updated on each dirty-check run\n        var newValue;\n        // a shallow copy of the newValue from the last dirty-check run,\n        // updated to match newValue during dirty-check run\n        var oldValue;\n        // a shallow copy of the newValue from when the last change happened\n        var veryOldValue;\n        // only track veryOldValue if the listener is asking for it\n        var trackVeryOldValue = (listener.length > 1);\n        var changeDetected = 0;\n        var changeDetector = $parse(obj, $watchCollectionInterceptor);\n        var internalArray = [];\n        var internalObject = {};\n        var initRun = true;\n        var oldLength = 0;\n\n        function $watchCollectionInterceptor(_value) {\n          newValue = _value;\n          var newLength, key, bothNaN, newItem, oldItem;\n\n          // If the new value is undefined, then return undefined as the watch may be a one-time watch\n          if (isUndefined(newValue)) return;\n\n          if (!isObject(newValue)) { // if primitive\n            if (oldValue !== newValue) {\n              oldValue = newValue;\n              changeDetected++;\n            }\n          } else if (isArrayLike(newValue)) {\n            if (oldValue !== internalArray) {\n              // we are transitioning from something which was not an array into array.\n              oldValue = internalArray;\n              oldLength = oldValue.length = 0;\n              changeDetected++;\n            }\n\n            newLength = newValue.length;\n\n            if (oldLength !== newLength) {\n              // if lengths do not match we need to trigger change notification\n              changeDetected++;\n              oldValue.length = oldLength = newLength;\n            }\n            // copy the items to oldValue and look for changes.\n            for (var i = 0; i < newLength; i++) {\n              oldItem = oldValue[i];\n              newItem = newValue[i];\n\n              // eslint-disable-next-line no-self-compare\n              bothNaN = (oldItem !== oldItem) && (newItem !== newItem);\n              if (!bothNaN && (oldItem !== newItem)) {\n                changeDetected++;\n                oldValue[i] = newItem;\n              }\n            }\n          } else {\n            if (oldValue !== internalObject) {\n              // we are transitioning from something which was not an object into object.\n              oldValue = internalObject = {};\n              oldLength = 0;\n              changeDetected++;\n            }\n            // copy the items to oldValue and look for changes.\n            newLength = 0;\n            for (key in newValue) {\n              if (hasOwnProperty.call(newValue, key)) {\n                newLength++;\n                newItem = newValue[key];\n                oldItem = oldValue[key];\n\n                if (key in oldValue) {\n                  // eslint-disable-next-line no-self-compare\n                  bothNaN = (oldItem !== oldItem) && (newItem !== newItem);\n                  if (!bothNaN && (oldItem !== newItem)) {\n                    changeDetected++;\n                    oldValue[key] = newItem;\n                  }\n                } else {\n                  oldLength++;\n                  oldValue[key] = newItem;\n                  changeDetected++;\n                }\n              }\n            }\n            if (oldLength > newLength) {\n              // we used to have more keys, need to find them and destroy them.\n              changeDetected++;\n              for (key in oldValue) {\n                if (!hasOwnProperty.call(newValue, key)) {\n                  oldLength--;\n                  delete oldValue[key];\n                }\n              }\n            }\n          }\n          return changeDetected;\n        }\n\n        function $watchCollectionAction() {\n          if (initRun) {\n            initRun = false;\n            listener(newValue, newValue, self);\n          } else {\n            listener(newValue, veryOldValue, self);\n          }\n\n          // make a copy for the next time a collection is changed\n          if (trackVeryOldValue) {\n            if (!isObject(newValue)) {\n              //primitive\n              veryOldValue = newValue;\n            } else if (isArrayLike(newValue)) {\n              veryOldValue = new Array(newValue.length);\n              for (var i = 0; i < newValue.length; i++) {\n                veryOldValue[i] = newValue[i];\n              }\n            } else { // if object\n              veryOldValue = {};\n              for (var key in newValue) {\n                if (hasOwnProperty.call(newValue, key)) {\n                  veryOldValue[key] = newValue[key];\n                }\n              }\n            }\n          }\n        }\n\n        return this.$watch(changeDetector, $watchCollectionAction);\n      },\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$digest\n       * @kind function\n       *\n       * @description\n       * Processes all of the {@link ng.$rootScope.Scope#$watch watchers} of the current scope and\n       * its children. Because a {@link ng.$rootScope.Scope#$watch watcher}'s listener can change\n       * the model, the `$digest()` keeps calling the {@link ng.$rootScope.Scope#$watch watchers}\n       * until no more listeners are firing. This means that it is possible to get into an infinite\n       * loop. This function will throw `'Maximum iteration limit exceeded.'` if the number of\n       * iterations exceeds 10.\n       *\n       * Usually, you don't call `$digest()` directly in\n       * {@link ng.directive:ngController controllers} or in\n       * {@link ng.$compileProvider#directive directives}.\n       * Instead, you should call {@link ng.$rootScope.Scope#$apply $apply()} (typically from within\n       * a {@link ng.$compileProvider#directive directive}), which will force a `$digest()`.\n       *\n       * If you want to be notified whenever `$digest()` is called,\n       * you can register a `watchExpression` function with\n       * {@link ng.$rootScope.Scope#$watch $watch()} with no `listener`.\n       *\n       * In unit tests, you may need to call `$digest()` to simulate the scope life cycle.\n       *\n       * @example\n       * ```js\n           var scope = ...;\n           scope.name = 'misko';\n           scope.counter = 0;\n\n           expect(scope.counter).toEqual(0);\n           scope.$watch('name', function(newValue, oldValue) {\n             scope.counter = scope.counter + 1;\n           });\n           expect(scope.counter).toEqual(0);\n\n           scope.$digest();\n           // the listener is always called during the first $digest loop after it was registered\n           expect(scope.counter).toEqual(1);\n\n           scope.$digest();\n           // but now it will not be called unless the value changes\n           expect(scope.counter).toEqual(1);\n\n           scope.name = 'adam';\n           scope.$digest();\n           expect(scope.counter).toEqual(2);\n       * ```\n       *\n       */\n      $digest: function() {\n        var watch, value, last, fn, get,\n            watchers,\n            dirty, ttl = TTL,\n            next, current, target = asyncQueue.length ? $rootScope : this,\n            watchLog = [],\n            logIdx, asyncTask;\n\n        beginPhase('$digest');\n        // Check for changes to browser url that happened in sync before the call to $digest\n        $browser.$$checkUrlChange();\n\n        if (this === $rootScope && applyAsyncId !== null) {\n          // If this is the root scope, and $applyAsync has scheduled a deferred $apply(), then\n          // cancel the scheduled $apply and flush the queue of expressions to be evaluated.\n          $browser.defer.cancel(applyAsyncId);\n          flushApplyAsync();\n        }\n\n        lastDirtyWatch = null;\n\n        do { // \"while dirty\" loop\n          dirty = false;\n          current = target;\n\n          // It's safe for asyncQueuePosition to be a local variable here because this loop can't\n          // be reentered recursively. Calling $digest from a function passed to $evalAsync would\n          // lead to a '$digest already in progress' error.\n          for (var asyncQueuePosition = 0; asyncQueuePosition < asyncQueue.length; asyncQueuePosition++) {\n            try {\n              asyncTask = asyncQueue[asyncQueuePosition];\n              fn = asyncTask.fn;\n              fn(asyncTask.scope, asyncTask.locals);\n            } catch (e) {\n              $exceptionHandler(e);\n            }\n            lastDirtyWatch = null;\n          }\n          asyncQueue.length = 0;\n\n          traverseScopesLoop:\n          do { // \"traverse the scopes\" loop\n            if ((watchers = !current.$$suspended && current.$$watchers)) {\n              // process our watches\n              watchers.$$digestWatchIndex = watchers.length;\n              while (watchers.$$digestWatchIndex--) {\n                try {\n                  watch = watchers[watchers.$$digestWatchIndex];\n                  // Most common watches are on primitives, in which case we can short\n                  // circuit it with === operator, only when === fails do we use .equals\n                  if (watch) {\n                    get = watch.get;\n                    if ((value = get(current)) !== (last = watch.last) &&\n                        !(watch.eq\n                            ? equals(value, last)\n                            : (isNumberNaN(value) && isNumberNaN(last)))) {\n                      dirty = true;\n                      lastDirtyWatch = watch;\n                      watch.last = watch.eq ? copy(value, null) : value;\n                      fn = watch.fn;\n                      fn(value, ((last === initWatchVal) ? value : last), current);\n                      if (ttl < 5) {\n                        logIdx = 4 - ttl;\n                        if (!watchLog[logIdx]) watchLog[logIdx] = [];\n                        watchLog[logIdx].push({\n                          msg: isFunction(watch.exp) ? 'fn: ' + (watch.exp.name || watch.exp.toString()) : watch.exp,\n                          newVal: value,\n                          oldVal: last\n                        });\n                      }\n                    } else if (watch === lastDirtyWatch) {\n                      // If the most recently dirty watcher is now clean, short circuit since the remaining watchers\n                      // have already been tested.\n                      dirty = false;\n                      break traverseScopesLoop;\n                    }\n                  }\n                } catch (e) {\n                  $exceptionHandler(e);\n                }\n              }\n            }\n\n            // Insanity Warning: scope depth-first traversal\n            // yes, this code is a bit crazy, but it works and we have tests to prove it!\n            // this piece should be kept in sync with the traversal in $broadcast\n            // (though it differs due to having the extra check for $$suspended and does not\n            // check $$listenerCount)\n            if (!(next = ((!current.$$suspended && current.$$watchersCount && current.$$childHead) ||\n                (current !== target && current.$$nextSibling)))) {\n              while (current !== target && !(next = current.$$nextSibling)) {\n                current = current.$parent;\n              }\n            }\n          } while ((current = next));\n\n          // `break traverseScopesLoop;` takes us to here\n\n          if ((dirty || asyncQueue.length) && !(ttl--)) {\n            clearPhase();\n            throw $rootScopeMinErr('infdig',\n                '{0} $digest() iterations reached. Aborting!\\n' +\n                'Watchers fired in the last 5 iterations: {1}',\n                TTL, watchLog);\n          }\n\n        } while (dirty || asyncQueue.length);\n\n        clearPhase();\n\n        // postDigestQueuePosition isn't local here because this loop can be reentered recursively.\n        while (postDigestQueuePosition < postDigestQueue.length) {\n          try {\n            postDigestQueue[postDigestQueuePosition++]();\n          } catch (e) {\n            $exceptionHandler(e);\n          }\n        }\n        postDigestQueue.length = postDigestQueuePosition = 0;\n\n        // Check for changes to browser url that happened during the $digest\n        // (for which no event is fired; e.g. via `history.pushState()`)\n        $browser.$$checkUrlChange();\n      },\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$suspend\n       * @kind function\n       *\n       * @description\n       * Suspend watchers of this scope subtree so that they will not be invoked during digest.\n       *\n       * This can be used to optimize your application when you know that running those watchers\n       * is redundant.\n       *\n       * **Warning**\n       *\n       * Suspending scopes from the digest cycle can have unwanted and difficult to debug results.\n       * Only use this approach if you are confident that you know what you are doing and have\n       * ample tests to ensure that bindings get updated as you expect.\n       *\n       * Some of the things to consider are:\n       *\n       * * Any external event on a directive/component will not trigger a digest while the hosting\n       *   scope is suspended - even if the event handler calls `$apply()` or `$rootScope.$digest()`.\n       * * Transcluded content exists on a scope that inherits from outside a directive but exists\n       *   as a child of the directive's containing scope. If the containing scope is suspended the\n       *   transcluded scope will also be suspended, even if the scope from which the transcluded\n       *   scope inherits is not suspended.\n       * * Multiple directives trying to manage the suspended status of a scope can confuse each other:\n       *    * A call to `$suspend()` on an already suspended scope is a no-op.\n       *    * A call to `$resume()` on a non-suspended scope is a no-op.\n       *    * If two directives suspend a scope, then one of them resumes the scope, the scope will no\n       *      longer be suspended. This could result in the other directive believing a scope to be\n       *      suspended when it is not.\n       * * If a parent scope is suspended then all its descendants will be also excluded from future\n       *   digests whether or not they have been suspended themselves. Note that this also applies to\n       *   isolate child scopes.\n       * * Calling `$digest()` directly on a descendant of a suspended scope will still run the watchers\n       *   for that scope and its descendants. When digesting we only check whether the current scope is\n       *   locally suspended, rather than checking whether it has a suspended ancestor.\n       * * Calling `$resume()` on a scope that has a suspended ancestor will not cause the scope to be\n       *   included in future digests until all its ancestors have been resumed.\n       * * Resolved promises, e.g. from explicit `$q` deferreds and `$http` calls, trigger `$apply()`\n       *   against the `$rootScope` and so will still trigger a global digest even if the promise was\n       *   initiated by a component that lives on a suspended scope.\n       */\n      $suspend: function() {\n        this.$$suspended = true;\n      },\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$isSuspended\n       * @kind function\n       *\n       * @description\n       * Call this method to determine if this scope has been explicitly suspended. It will not\n       * tell you whether an ancestor has been suspended.\n       * To determine if this scope will be excluded from a digest triggered at the $rootScope,\n       * for example, you must check all its ancestors:\n       *\n       * ```\n       * function isExcludedFromDigest(scope) {\n       *   while(scope) {\n       *     if (scope.$isSuspended()) return true;\n       *     scope = scope.$parent;\n       *   }\n       *   return false;\n       * ```\n       *\n       * Be aware that a scope may not be included in digests if it has a suspended ancestor,\n       * even if `$isSuspended()` returns false.\n       *\n       * @returns true if the current scope has been suspended.\n       */\n      $isSuspended: function() {\n        return this.$$suspended;\n      },\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$resume\n       * @kind function\n       *\n       * @description\n       * Resume watchers of this scope subtree in case it was suspended.\n       *\n       * See {@link $rootScope.Scope#$suspend} for information about the dangers of using this approach.\n       */\n      $resume: function() {\n        this.$$suspended = false;\n      },\n\n      /**\n       * @ngdoc event\n       * @name $rootScope.Scope#$destroy\n       * @eventType broadcast on scope being destroyed\n       *\n       * @description\n       * Broadcasted when a scope and its children are being destroyed.\n       *\n       * Note that, in AngularJS, there is also a `$destroy` jQuery event, which can be used to\n       * clean up DOM bindings before an element is removed from the DOM.\n       */\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$destroy\n       * @kind function\n       *\n       * @description\n       * Removes the current scope (and all of its children) from the parent scope. Removal implies\n       * that calls to {@link ng.$rootScope.Scope#$digest $digest()} will no longer\n       * propagate to the current scope and its children. Removal also implies that the current\n       * scope is eligible for garbage collection.\n       *\n       * The `$destroy()` is usually used by directives such as\n       * {@link ng.directive:ngRepeat ngRepeat} for managing the\n       * unrolling of the loop.\n       *\n       * Just before a scope is destroyed, a `$destroy` event is broadcasted on this scope.\n       * Application code can register a `$destroy` event handler that will give it a chance to\n       * perform any necessary cleanup.\n       *\n       * Note that, in AngularJS, there is also a `$destroy` jQuery event, which can be used to\n       * clean up DOM bindings before an element is removed from the DOM.\n       */\n      $destroy: function() {\n        // We can't destroy a scope that has been already destroyed.\n        if (this.$$destroyed) return;\n        var parent = this.$parent;\n\n        this.$broadcast('$destroy');\n        this.$$destroyed = true;\n\n        if (this === $rootScope) {\n          //Remove handlers attached to window when $rootScope is removed\n          $browser.$$applicationDestroyed();\n        }\n\n        incrementWatchersCount(this, -this.$$watchersCount);\n        for (var eventName in this.$$listenerCount) {\n          decrementListenerCount(this, this.$$listenerCount[eventName], eventName);\n        }\n\n        // sever all the references to parent scopes (after this cleanup, the current scope should\n        // not be retained by any of our references and should be eligible for garbage collection)\n        if (parent && parent.$$childHead === this) parent.$$childHead = this.$$nextSibling;\n        if (parent && parent.$$childTail === this) parent.$$childTail = this.$$prevSibling;\n        if (this.$$prevSibling) this.$$prevSibling.$$nextSibling = this.$$nextSibling;\n        if (this.$$nextSibling) this.$$nextSibling.$$prevSibling = this.$$prevSibling;\n\n        // Disable listeners, watchers and apply/digest methods\n        this.$destroy = this.$digest = this.$apply = this.$evalAsync = this.$applyAsync = noop;\n        this.$on = this.$watch = this.$watchGroup = function() { return noop; };\n        this.$$listeners = {};\n\n        // Disconnect the next sibling to prevent `cleanUpScope` destroying those too\n        this.$$nextSibling = null;\n        cleanUpScope(this);\n      },\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$eval\n       * @kind function\n       *\n       * @description\n       * Executes the `expression` on the current scope and returns the result. Any exceptions in\n       * the expression are propagated (uncaught). This is useful when evaluating AngularJS\n       * expressions.\n       *\n       * @example\n       * ```js\n           var scope = ng.$rootScope.Scope();\n           scope.a = 1;\n           scope.b = 2;\n\n           expect(scope.$eval('a+b')).toEqual(3);\n           expect(scope.$eval(function(scope){ return scope.a + scope.b; })).toEqual(3);\n       * ```\n       *\n       * @param {(string|function())=} expression An AngularJS expression to be executed.\n       *\n       *    - `string`: execute using the rules as defined in  {@link guide/expression expression}.\n       *    - `function(scope)`: execute the function with the current `scope` parameter.\n       *\n       * @param {(object)=} locals Local variables object, useful for overriding values in scope.\n       * @returns {*} The result of evaluating the expression.\n       */\n      $eval: function(expr, locals) {\n        return $parse(expr)(this, locals);\n      },\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$evalAsync\n       * @kind function\n       *\n       * @description\n       * Executes the expression on the current scope at a later point in time.\n       *\n       * The `$evalAsync` makes no guarantees as to when the `expression` will be executed, only\n       * that:\n       *\n       *   - it will execute after the function that scheduled the evaluation (preferably before DOM\n       *     rendering).\n       *   - at least one {@link ng.$rootScope.Scope#$digest $digest cycle} will be performed after\n       *     `expression` execution.\n       *\n       * Any exceptions from the execution of the expression are forwarded to the\n       * {@link ng.$exceptionHandler $exceptionHandler} service.\n       *\n       * __Note:__ if this function is called outside of a `$digest` cycle, a new `$digest` cycle\n       * will be scheduled. However, it is encouraged to always call code that changes the model\n       * from within an `$apply` call. That includes code evaluated via `$evalAsync`.\n       *\n       * @param {(string|function())=} expression An AngularJS expression to be executed.\n       *\n       *    - `string`: execute using the rules as defined in {@link guide/expression expression}.\n       *    - `function(scope)`: execute the function with the current `scope` parameter.\n       *\n       * @param {(object)=} locals Local variables object, useful for overriding values in scope.\n       */\n      $evalAsync: function(expr, locals) {\n        // if we are outside of an $digest loop and this is the first time we are scheduling async\n        // task also schedule async auto-flush\n        if (!$rootScope.$$phase && !asyncQueue.length) {\n          $browser.defer(function() {\n            if (asyncQueue.length) {\n              $rootScope.$digest();\n            }\n          }, null, '$evalAsync');\n        }\n\n        asyncQueue.push({scope: this, fn: $parse(expr), locals: locals});\n      },\n\n      $$postDigest: function(fn) {\n        postDigestQueue.push(fn);\n      },\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$apply\n       * @kind function\n       *\n       * @description\n       * `$apply()` is used to execute an expression in AngularJS from outside of the AngularJS\n       * framework. (For example from browser DOM events, setTimeout, XHR or third party libraries).\n       * Because we are calling into the AngularJS framework we need to perform proper scope life\n       * cycle of {@link ng.$exceptionHandler exception handling},\n       * {@link ng.$rootScope.Scope#$digest executing watches}.\n       *\n       * **Life cycle: Pseudo-Code of `$apply()`**\n       *\n       * ```js\n           function $apply(expr) {\n             try {\n               return $eval(expr);\n             } catch (e) {\n               $exceptionHandler(e);\n             } finally {\n               $root.$digest();\n             }\n           }\n       * ```\n       *\n       *\n       * Scope's `$apply()` method transitions through the following stages:\n       *\n       * 1. The {@link guide/expression expression} is executed using the\n       *    {@link ng.$rootScope.Scope#$eval $eval()} method.\n       * 2. Any exceptions from the execution of the expression are forwarded to the\n       *    {@link ng.$exceptionHandler $exceptionHandler} service.\n       * 3. The {@link ng.$rootScope.Scope#$watch watch} listeners are fired immediately after the\n       *    expression was executed using the {@link ng.$rootScope.Scope#$digest $digest()} method.\n       *\n       *\n       * @param {(string|function())=} exp An AngularJS expression to be executed.\n       *\n       *    - `string`: execute using the rules as defined in {@link guide/expression expression}.\n       *    - `function(scope)`: execute the function with current `scope` parameter.\n       *\n       * @returns {*} The result of evaluating the expression.\n       */\n      $apply: function(expr) {\n        try {\n          beginPhase('$apply');\n          try {\n            return this.$eval(expr);\n          } finally {\n            clearPhase();\n          }\n        } catch (e) {\n          $exceptionHandler(e);\n        } finally {\n          try {\n            $rootScope.$digest();\n          } catch (e) {\n            $exceptionHandler(e);\n            // eslint-disable-next-line no-unsafe-finally\n            throw e;\n          }\n        }\n      },\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$applyAsync\n       * @kind function\n       *\n       * @description\n       * Schedule the invocation of $apply to occur at a later time. The actual time difference\n       * varies across browsers, but is typically around ~10 milliseconds.\n       *\n       * This can be used to queue up multiple expressions which need to be evaluated in the same\n       * digest.\n       *\n       * @param {(string|function())=} exp An AngularJS expression to be executed.\n       *\n       *    - `string`: execute using the rules as defined in {@link guide/expression expression}.\n       *    - `function(scope)`: execute the function with current `scope` parameter.\n       */\n      $applyAsync: function(expr) {\n        var scope = this;\n        if (expr) {\n          applyAsyncQueue.push($applyAsyncExpression);\n        }\n        expr = $parse(expr);\n        scheduleApplyAsync();\n\n        function $applyAsyncExpression() {\n          scope.$eval(expr);\n        }\n      },\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$on\n       * @kind function\n       *\n       * @description\n       * Listens on events of a given type. See {@link ng.$rootScope.Scope#$emit $emit} for\n       * discussion of event life cycle.\n       *\n       * The event listener function format is: `function(event, args...)`. The `event` object\n       * passed into the listener has the following attributes:\n       *\n       *   - `targetScope` - `{Scope}`: the scope on which the event was `$emit`-ed or\n       *     `$broadcast`-ed.\n       *   - `currentScope` - `{Scope}`: the scope that is currently handling the event. Once the\n       *     event propagates through the scope hierarchy, this property is set to null.\n       *   - `name` - `{string}`: name of the event.\n       *   - `stopPropagation` - `{function=}`: calling `stopPropagation` function will cancel\n       *     further event propagation (available only for events that were `$emit`-ed).\n       *   - `preventDefault` - `{function}`: calling `preventDefault` sets `defaultPrevented` flag\n       *     to true.\n       *   - `defaultPrevented` - `{boolean}`: true if `preventDefault` was called.\n       *\n       * @param {string} name Event name to listen on.\n       * @param {function(event, ...args)} listener Function to call when the event is emitted.\n       * @returns {function()} Returns a deregistration function for this listener.\n       */\n      $on: function(name, listener) {\n        var namedListeners = this.$$listeners[name];\n        if (!namedListeners) {\n          this.$$listeners[name] = namedListeners = [];\n        }\n        namedListeners.push(listener);\n\n        var current = this;\n        do {\n          if (!current.$$listenerCount[name]) {\n            current.$$listenerCount[name] = 0;\n          }\n          current.$$listenerCount[name]++;\n        } while ((current = current.$parent));\n\n        var self = this;\n        return function() {\n          var indexOfListener = namedListeners.indexOf(listener);\n          if (indexOfListener !== -1) {\n            // Use delete in the hope of the browser deallocating the memory for the array entry,\n            // while not shifting the array indexes of other listeners.\n            // See issue https://github.com/angular/angular.js/issues/16135\n            delete namedListeners[indexOfListener];\n            decrementListenerCount(self, 1, name);\n          }\n        };\n      },\n\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$emit\n       * @kind function\n       *\n       * @description\n       * Dispatches an event `name` upwards through the scope hierarchy notifying the\n       * registered {@link ng.$rootScope.Scope#$on} listeners.\n       *\n       * The event life cycle starts at the scope on which `$emit` was called. All\n       * {@link ng.$rootScope.Scope#$on listeners} listening for `name` event on this scope get\n       * notified. Afterwards, the event traverses upwards toward the root scope and calls all\n       * registered listeners along the way. The event will stop propagating if one of the listeners\n       * cancels it.\n       *\n       * Any exception emitted from the {@link ng.$rootScope.Scope#$on listeners} will be passed\n       * onto the {@link ng.$exceptionHandler $exceptionHandler} service.\n       *\n       * @param {string} name Event name to emit.\n       * @param {...*} args Optional one or more arguments which will be passed onto the event listeners.\n       * @return {Object} Event object (see {@link ng.$rootScope.Scope#$on}).\n       */\n      $emit: function(name, args) {\n        var empty = [],\n            namedListeners,\n            scope = this,\n            stopPropagation = false,\n            event = {\n              name: name,\n              targetScope: scope,\n              stopPropagation: function() {stopPropagation = true;},\n              preventDefault: function() {\n                event.defaultPrevented = true;\n              },\n              defaultPrevented: false\n            },\n            listenerArgs = concat([event], arguments, 1),\n            i, length;\n\n        do {\n          namedListeners = scope.$$listeners[name] || empty;\n          event.currentScope = scope;\n          for (i = 0, length = namedListeners.length; i < length; i++) {\n\n            // if listeners were deregistered, defragment the array\n            if (!namedListeners[i]) {\n              namedListeners.splice(i, 1);\n              i--;\n              length--;\n              continue;\n            }\n            try {\n              //allow all listeners attached to the current scope to run\n              namedListeners[i].apply(null, listenerArgs);\n            } catch (e) {\n              $exceptionHandler(e);\n            }\n          }\n          //if any listener on the current scope stops propagation, prevent bubbling\n          if (stopPropagation) {\n            break;\n          }\n          //traverse upwards\n          scope = scope.$parent;\n        } while (scope);\n\n        event.currentScope = null;\n\n        return event;\n      },\n\n\n      /**\n       * @ngdoc method\n       * @name $rootScope.Scope#$broadcast\n       * @kind function\n       *\n       * @description\n       * Dispatches an event `name` downwards to all child scopes (and their children) notifying the\n       * registered {@link ng.$rootScope.Scope#$on} listeners.\n       *\n       * The event life cycle starts at the scope on which `$broadcast` was called. All\n       * {@link ng.$rootScope.Scope#$on listeners} listening for `name` event on this scope get\n       * notified. Afterwards, the event propagates to all direct and indirect scopes of the current\n       * scope and calls all registered listeners along the way. The event cannot be canceled.\n       *\n       * Any exception emitted from the {@link ng.$rootScope.Scope#$on listeners} will be passed\n       * onto the {@link ng.$exceptionHandler $exceptionHandler} service.\n       *\n       * @param {string} name Event name to broadcast.\n       * @param {...*} args Optional one or more arguments which will be passed onto the event listeners.\n       * @return {Object} Event object, see {@link ng.$rootScope.Scope#$on}\n       */\n      $broadcast: function(name, args) {\n        var target = this,\n            current = target,\n            next = target,\n            event = {\n              name: name,\n              targetScope: target,\n              preventDefault: function() {\n                event.defaultPrevented = true;\n              },\n              defaultPrevented: false\n            };\n\n        if (!target.$$listenerCount[name]) return event;\n\n        var listenerArgs = concat([event], arguments, 1),\n            listeners, i, length;\n\n        //down while you can, then up and next sibling or up and next sibling until back at root\n        while ((current = next)) {\n          event.currentScope = current;\n          listeners = current.$$listeners[name] || [];\n          for (i = 0, length = listeners.length; i < length; i++) {\n            // if listeners were deregistered, defragment the array\n            if (!listeners[i]) {\n              listeners.splice(i, 1);\n              i--;\n              length--;\n              continue;\n            }\n\n            try {\n              listeners[i].apply(null, listenerArgs);\n            } catch (e) {\n              $exceptionHandler(e);\n            }\n          }\n\n          // Insanity Warning: scope depth-first traversal\n          // yes, this code is a bit crazy, but it works and we have tests to prove it!\n          // this piece should be kept in sync with the traversal in $digest\n          // (though it differs due to having the extra check for $$listenerCount and\n          // does not check $$suspended)\n          if (!(next = ((current.$$listenerCount[name] && current.$$childHead) ||\n              (current !== target && current.$$nextSibling)))) {\n            while (current !== target && !(next = current.$$nextSibling)) {\n              current = current.$parent;\n            }\n          }\n        }\n\n        event.currentScope = null;\n        return event;\n      }\n    };\n\n    var $rootScope = new Scope();\n\n    //The internal queues. Expose them on the $rootScope for debugging/testing purposes.\n    var asyncQueue = $rootScope.$$asyncQueue = [];\n    var postDigestQueue = $rootScope.$$postDigestQueue = [];\n    var applyAsyncQueue = $rootScope.$$applyAsyncQueue = [];\n\n    var postDigestQueuePosition = 0;\n\n    return $rootScope;\n\n\n    function beginPhase(phase) {\n      if ($rootScope.$$phase) {\n        throw $rootScopeMinErr('inprog', '{0} already in progress', $rootScope.$$phase);\n      }\n\n      $rootScope.$$phase = phase;\n    }\n\n    function clearPhase() {\n      $rootScope.$$phase = null;\n    }\n\n    function incrementWatchersCount(current, count) {\n      do {\n        current.$$watchersCount += count;\n      } while ((current = current.$parent));\n    }\n\n    function decrementListenerCount(current, count, name) {\n      do {\n        current.$$listenerCount[name] -= count;\n\n        if (current.$$listenerCount[name] === 0) {\n          delete current.$$listenerCount[name];\n        }\n      } while ((current = current.$parent));\n    }\n\n    /**\n     * function used as an initial value for watchers.\n     * because it's unique we can easily tell it apart from other values\n     */\n    function initWatchVal() {}\n\n    function flushApplyAsync() {\n      while (applyAsyncQueue.length) {\n        try {\n          applyAsyncQueue.shift()();\n        } catch (e) {\n          $exceptionHandler(e);\n        }\n      }\n      applyAsyncId = null;\n    }\n\n    function scheduleApplyAsync() {\n      if (applyAsyncId === null) {\n        applyAsyncId = $browser.defer(function() {\n          $rootScope.$apply(flushApplyAsync);\n        }, null, '$applyAsync');\n      }\n    }\n  }];\n}\n\n/**\n * @ngdoc service\n * @name $rootElement\n *\n * @description\n * The root element of AngularJS application. This is either the element where {@link\n * ng.directive:ngApp ngApp} was declared or the element passed into\n * {@link angular.bootstrap}. The element represents the root element of application. It is also the\n * location where the application's {@link auto.$injector $injector} service gets\n * published, and can be retrieved using `$rootElement.injector()`.\n */\n\n\n// the implementation is in angular.bootstrap\n\n/**\n * @this\n * @description\n * Private service to sanitize uris for links and images. Used by $compile and $sanitize.\n */\nfunction $$SanitizeUriProvider() {\n\n  var aHrefSanitizationWhitelist = /^\\s*(https?|s?ftp|mailto|tel|file):/,\n    imgSrcSanitizationWhitelist = /^\\s*((https?|ftp|file|blob):|data:image\\/)/;\n\n  /**\n   * @description\n   * Retrieves or overrides the default regular expression that is used for whitelisting of safe\n   * urls during a[href] sanitization.\n   *\n   * The sanitization is a security measure aimed at prevent XSS attacks via HTML anchor links.\n   *\n   * Any url due to be assigned to an `a[href]` attribute via interpolation is marked as requiring\n   * the $sce.URL security context. When interpolation occurs a call is made to `$sce.trustAsUrl(url)`\n   * which in turn may call `$$sanitizeUri(url, isMedia)` to sanitize the potentially malicious URL.\n   *\n   * If the URL matches the `aHrefSanitizationWhitelist` regular expression, it is returned unchanged.\n   *\n   * If there is no match the URL is returned prefixed with `'unsafe:'` to ensure that when it is written\n   * to the DOM it is inactive and potentially malicious code will not be executed.\n   *\n   * @param {RegExp=} regexp New regexp to whitelist urls with.\n   * @returns {RegExp|ng.$compileProvider} Current RegExp if called without value or self for\n   *    chaining otherwise.\n   */\n  this.aHrefSanitizationWhitelist = function(regexp) {\n    if (isDefined(regexp)) {\n      aHrefSanitizationWhitelist = regexp;\n      return this;\n    }\n    return aHrefSanitizationWhitelist;\n  };\n\n\n  /**\n   * @description\n   * Retrieves or overrides the default regular expression that is used for whitelisting of safe\n   * urls during img[src] sanitization.\n   *\n   * The sanitization is a security measure aimed at prevent XSS attacks via HTML image src links.\n   *\n   * Any URL due to be assigned to an `img[src]` attribute via interpolation is marked as requiring\n   * the $sce.MEDIA_URL security context. When interpolation occurs a call is made to\n   * `$sce.trustAsMediaUrl(url)` which in turn may call `$$sanitizeUri(url, isMedia)` to sanitize\n   * the potentially malicious URL.\n   *\n   * If the URL matches the `aImgSanitizationWhitelist` regular expression, it is returned unchanged.\n   *\n   * If there is no match the URL is returned prefixed with `'unsafe:'` to ensure that when it is written\n   * to the DOM it is inactive and potentially malicious code will not be executed.\n   *\n   * @param {RegExp=} regexp New regexp to whitelist urls with.\n   * @returns {RegExp|ng.$compileProvider} Current RegExp if called without value or self for\n   *    chaining otherwise.\n   */\n  this.imgSrcSanitizationWhitelist = function(regexp) {\n    if (isDefined(regexp)) {\n      imgSrcSanitizationWhitelist = regexp;\n      return this;\n    }\n    return imgSrcSanitizationWhitelist;\n  };\n\n  this.$get = function() {\n    return function sanitizeUri(uri, isMediaUrl) {\n      // if (!uri) return uri;\n      var regex = isMediaUrl ? imgSrcSanitizationWhitelist : aHrefSanitizationWhitelist;\n      var normalizedVal = urlResolve(uri && uri.trim()).href;\n      if (normalizedVal !== '' && !normalizedVal.match(regex)) {\n        return 'unsafe:' + normalizedVal;\n      }\n      return uri;\n    };\n  };\n}\n\n/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\n *     Any commits to this file should be reviewed with security in mind.  *\n *   Changes to this file can potentially create security vulnerabilities. *\n *          An approval from 2 Core members with history of modifying      *\n *                         this file is required.                          *\n *                                                                         *\n *  Does the change somehow allow for arbitrary javascript to be executed? *\n *    Or allows for someone to change the prototype of built-in objects?   *\n *     Or gives undesired access to variables likes document or window?    *\n * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */\n\n/* exported $SceProvider, $SceDelegateProvider */\n\nvar $sceMinErr = minErr('$sce');\n\nvar SCE_CONTEXTS = {\n  // HTML is used when there's HTML rendered (e.g. ng-bind-html, iframe srcdoc binding).\n  HTML: 'html',\n\n  // Style statements or stylesheets. Currently unused in AngularJS.\n  CSS: 'css',\n\n  // An URL used in a context where it refers to the source of media, which are not expected to be run\n  // as scripts, such as an image, audio, video, etc.\n  MEDIA_URL: 'mediaUrl',\n\n  // An URL used in a context where it does not refer to a resource that loads code.\n  // A value that can be trusted as a URL can also trusted as a MEDIA_URL.\n  URL: 'url',\n\n  // RESOURCE_URL is a subtype of URL used where the referred-to resource could be interpreted as\n  // code. (e.g. ng-include, script src binding, templateUrl)\n  // A value that can be trusted as a RESOURCE_URL, can also trusted as a URL and a MEDIA_URL.\n  RESOURCE_URL: 'resourceUrl',\n\n  // Script. Currently unused in AngularJS.\n  JS: 'js'\n};\n\n// Helper functions follow.\n\nvar UNDERSCORE_LOWERCASE_REGEXP = /_([a-z])/g;\n\nfunction snakeToCamel(name) {\n  return name\n    .replace(UNDERSCORE_LOWERCASE_REGEXP, fnCamelCaseReplace);\n}\n\nfunction adjustMatcher(matcher) {\n  if (matcher === 'self') {\n    return matcher;\n  } else if (isString(matcher)) {\n    // Strings match exactly except for 2 wildcards - '*' and '**'.\n    // '*' matches any character except those from the set ':/.?&'.\n    // '**' matches any character (like .* in a RegExp).\n    // More than 2 *'s raises an error as it's ill defined.\n    if (matcher.indexOf('***') > -1) {\n      throw $sceMinErr('iwcard',\n          'Illegal sequence *** in string matcher.  String: {0}', matcher);\n    }\n    matcher = escapeForRegexp(matcher).\n                  replace(/\\\\\\*\\\\\\*/g, '.*').\n                  replace(/\\\\\\*/g, '[^:/.?&;]*');\n    return new RegExp('^' + matcher + '$');\n  } else if (isRegExp(matcher)) {\n    // The only other type of matcher allowed is a Regexp.\n    // Match entire URL / disallow partial matches.\n    // Flags are reset (i.e. no global, ignoreCase or multiline)\n    return new RegExp('^' + matcher.source + '$');\n  } else {\n    throw $sceMinErr('imatcher',\n        'Matchers may only be \"self\", string patterns or RegExp objects');\n  }\n}\n\n\nfunction adjustMatchers(matchers) {\n  var adjustedMatchers = [];\n  if (isDefined(matchers)) {\n    forEach(matchers, function(matcher) {\n      adjustedMatchers.push(adjustMatcher(matcher));\n    });\n  }\n  return adjustedMatchers;\n}\n\n\n/**\n * @ngdoc service\n * @name $sceDelegate\n * @kind function\n *\n * @description\n *\n * `$sceDelegate` is a service that is used by the `$sce` service to provide {@link ng.$sce Strict\n * Contextual Escaping (SCE)} services to AngularJS.\n *\n * For an overview of this service and the functionnality it provides in AngularJS, see the main\n * page for {@link ng.$sce SCE}. The current page is targeted for developers who need to alter how\n * SCE works in their application, which shouldn't be needed in most cases.\n *\n * <div class=\"alert alert-danger\">\n * AngularJS strongly relies on contextual escaping for the security of bindings: disabling or\n * modifying this might cause cross site scripting (XSS) vulnerabilities. For libraries owners,\n * changes to this service will also influence users, so be extra careful and document your changes.\n * </div>\n *\n * Typically, you would configure or override the {@link ng.$sceDelegate $sceDelegate} instead of\n * the `$sce` service to customize the way Strict Contextual Escaping works in AngularJS.  This is\n * because, while the `$sce` provides numerous shorthand methods, etc., you really only need to\n * override 3 core functions (`trustAs`, `getTrusted` and `valueOf`) to replace the way things\n * work because `$sce` delegates to `$sceDelegate` for these operations.\n *\n * Refer {@link ng.$sceDelegateProvider $sceDelegateProvider} to configure this service.\n *\n * The default instance of `$sceDelegate` should work out of the box with little pain.  While you\n * can override it completely to change the behavior of `$sce`, the common case would\n * involve configuring the {@link ng.$sceDelegateProvider $sceDelegateProvider} instead by setting\n * your own whitelists and blacklists for trusting URLs used for loading AngularJS resources such as\n * templates.  Refer {@link ng.$sceDelegateProvider#resourceUrlWhitelist\n * $sceDelegateProvider.resourceUrlWhitelist} and {@link\n * ng.$sceDelegateProvider#resourceUrlBlacklist $sceDelegateProvider.resourceUrlBlacklist}\n */\n\n/**\n * @ngdoc provider\n * @name $sceDelegateProvider\n * @this\n *\n * @description\n *\n * The `$sceDelegateProvider` provider allows developers to configure the {@link ng.$sceDelegate\n * $sceDelegate service}, used as a delegate for {@link ng.$sce Strict Contextual Escaping (SCE)}.\n *\n * The `$sceDelegateProvider` allows one to get/set the whitelists and blacklists used to ensure\n * that the URLs used for sourcing AngularJS templates and other script-running URLs are safe (all\n * places that use the `$sce.RESOURCE_URL` context). See\n * {@link ng.$sceDelegateProvider#resourceUrlWhitelist $sceDelegateProvider.resourceUrlWhitelist}\n * and\n * {@link ng.$sceDelegateProvider#resourceUrlBlacklist $sceDelegateProvider.resourceUrlBlacklist},\n *\n * For the general details about this service in AngularJS, read the main page for {@link ng.$sce\n * Strict Contextual Escaping (SCE)}.\n *\n * **Example**:  Consider the following case. <a name=\"example\"></a>\n *\n * - your app is hosted at url `http://myapp.example.com/`\n * - but some of your templates are hosted on other domains you control such as\n *   `http://srv01.assets.example.com/`, `http://srv02.assets.example.com/`, etc.\n * - and you have an open redirect at `http://myapp.example.com/clickThru?...`.\n *\n * Here is what a secure configuration for this scenario might look like:\n *\n * ```\n *  angular.module('myApp', []).config(function($sceDelegateProvider) {\n *    $sceDelegateProvider.resourceUrlWhitelist([\n *      // Allow same origin resource loads.\n *      'self',\n *      // Allow loading from our assets domain.  Notice the difference between * and **.\n *      'http://srv*.assets.example.com/**'\n *    ]);\n *\n *    // The blacklist overrides the whitelist so the open redirect here is blocked.\n *    $sceDelegateProvider.resourceUrlBlacklist([\n *      'http://myapp.example.com/clickThru**'\n *    ]);\n *  });\n * ```\n * Note that an empty whitelist will block every resource URL from being loaded, and will require\n * you to manually mark each one as trusted with `$sce.trustAsResourceUrl`. However, templates\n * requested by {@link ng.$templateRequest $templateRequest} that are present in\n * {@link ng.$templateCache $templateCache} will not go through this check. If you have a mechanism\n * to populate your templates in that cache at config time, then it is a good idea to remove 'self'\n * from that whitelist. This helps to mitigate the security impact of certain types of issues, like\n * for instance attacker-controlled `ng-includes`.\n */\n\nfunction $SceDelegateProvider() {\n  this.SCE_CONTEXTS = SCE_CONTEXTS;\n\n  // Resource URLs can also be trusted by policy.\n  var resourceUrlWhitelist = ['self'],\n      resourceUrlBlacklist = [];\n\n  /**\n   * @ngdoc method\n   * @name $sceDelegateProvider#resourceUrlWhitelist\n   * @kind function\n   *\n   * @param {Array=} whitelist When provided, replaces the resourceUrlWhitelist with the value\n   *     provided.  This must be an array or null.  A snapshot of this array is used so further\n   *     changes to the array are ignored.\n   *     Follow {@link ng.$sce#resourceUrlPatternItem this link} for a description of the items\n   *     allowed in this array.\n   *\n   * @return {Array} The currently set whitelist array.\n   *\n   * @description\n   * Sets/Gets the whitelist of trusted resource URLs.\n   *\n   * The **default value** when no whitelist has been explicitly set is `['self']` allowing only\n   * same origin resource requests.\n   *\n   * <div class=\"alert alert-warning\">\n   * **Note:** the default whitelist of 'self' is not recommended if your app shares its origin\n   * with other apps! It is a good idea to limit it to only your application's directory.\n   * </div>\n   */\n  this.resourceUrlWhitelist = function(value) {\n    if (arguments.length) {\n      resourceUrlWhitelist = adjustMatchers(value);\n    }\n    return resourceUrlWhitelist;\n  };\n\n  /**\n   * @ngdoc method\n   * @name $sceDelegateProvider#resourceUrlBlacklist\n   * @kind function\n   *\n   * @param {Array=} blacklist When provided, replaces the resourceUrlBlacklist with the value\n   *     provided.  This must be an array or null.  A snapshot of this array is used so further\n   *     changes to the array are ignored.</p><p>\n   *     Follow {@link ng.$sce#resourceUrlPatternItem this link} for a description of the items\n   *     allowed in this array.</p><p>\n   *     The typical usage for the blacklist is to **block\n   *     [open redirects](http://cwe.mitre.org/data/definitions/601.html)** served by your domain as\n   *     these would otherwise be trusted but actually return content from the redirected domain.\n   *     </p><p>\n   *     Finally, **the blacklist overrides the whitelist** and has the final say.\n   *\n   * @return {Array} The currently set blacklist array.\n   *\n   * @description\n   * Sets/Gets the blacklist of trusted resource URLs.\n   *\n   * The **default value** when no whitelist has been explicitly set is the empty array (i.e. there\n   * is no blacklist.)\n   */\n\n  this.resourceUrlBlacklist = function(value) {\n    if (arguments.length) {\n      resourceUrlBlacklist = adjustMatchers(value);\n    }\n    return resourceUrlBlacklist;\n  };\n\n  this.$get = ['$injector', '$$sanitizeUri', function($injector, $$sanitizeUri) {\n\n    var htmlSanitizer = function htmlSanitizer(html) {\n      throw $sceMinErr('unsafe', 'Attempting to use an unsafe value in a safe context.');\n    };\n\n    if ($injector.has('$sanitize')) {\n      htmlSanitizer = $injector.get('$sanitize');\n    }\n\n\n    function matchUrl(matcher, parsedUrl) {\n      if (matcher === 'self') {\n        return urlIsSameOrigin(parsedUrl) || urlIsSameOriginAsBaseUrl(parsedUrl);\n      } else {\n        // definitely a regex.  See adjustMatchers()\n        return !!matcher.exec(parsedUrl.href);\n      }\n    }\n\n    function isResourceUrlAllowedByPolicy(url) {\n      var parsedUrl = urlResolve(url.toString());\n      var i, n, allowed = false;\n      // Ensure that at least one item from the whitelist allows this url.\n      for (i = 0, n = resourceUrlWhitelist.length; i < n; i++) {\n        if (matchUrl(resourceUrlWhitelist[i], parsedUrl)) {\n          allowed = true;\n          break;\n        }\n      }\n      if (allowed) {\n        // Ensure that no item from the blacklist blocked this url.\n        for (i = 0, n = resourceUrlBlacklist.length; i < n; i++) {\n          if (matchUrl(resourceUrlBlacklist[i], parsedUrl)) {\n            allowed = false;\n            break;\n          }\n        }\n      }\n      return allowed;\n    }\n\n    function generateHolderType(Base) {\n      var holderType = function TrustedValueHolderType(trustedValue) {\n        this.$$unwrapTrustedValue = function() {\n          return trustedValue;\n        };\n      };\n      if (Base) {\n        holderType.prototype = new Base();\n      }\n      holderType.prototype.valueOf = function sceValueOf() {\n        return this.$$unwrapTrustedValue();\n      };\n      holderType.prototype.toString = function sceToString() {\n        return this.$$unwrapTrustedValue().toString();\n      };\n      return holderType;\n    }\n\n    var trustedValueHolderBase = generateHolderType(),\n        byType = {};\n\n    byType[SCE_CONTEXTS.HTML] = generateHolderType(trustedValueHolderBase);\n    byType[SCE_CONTEXTS.CSS] = generateHolderType(trustedValueHolderBase);\n    byType[SCE_CONTEXTS.MEDIA_URL] = generateHolderType(trustedValueHolderBase);\n    byType[SCE_CONTEXTS.URL] = generateHolderType(byType[SCE_CONTEXTS.MEDIA_URL]);\n    byType[SCE_CONTEXTS.JS] = generateHolderType(trustedValueHolderBase);\n    byType[SCE_CONTEXTS.RESOURCE_URL] = generateHolderType(byType[SCE_CONTEXTS.URL]);\n\n    /**\n     * @ngdoc method\n     * @name $sceDelegate#trustAs\n     *\n     * @description\n     * Returns a trusted representation of the parameter for the specified context. This trusted\n     * object will later on be used as-is, without any security check, by bindings or directives\n     * that require this security context.\n     * For instance, marking a string as trusted for the `$sce.HTML` context will entirely bypass\n     * the potential `$sanitize` call in corresponding `$sce.HTML` bindings or directives, such as\n     * `ng-bind-html`. Note that in most cases you won't need to call this function: if you have the\n     * sanitizer loaded, passing the value itself will render all the HTML that does not pose a\n     * security risk.\n     *\n     * See {@link ng.$sceDelegate#getTrusted getTrusted} for the function that will consume those\n     * trusted values, and {@link ng.$sce $sce} for general documentation about strict contextual\n     * escaping.\n     *\n     * @param {string} type The context in which this value is safe for use, e.g. `$sce.URL`,\n     *     `$sce.RESOURCE_URL`, `$sce.HTML`, `$sce.JS` or `$sce.CSS`.\n     *\n     * @param {*} value The value that should be considered trusted.\n     * @return {*} A trusted representation of value, that can be used in the given context.\n     */\n    function trustAs(type, trustedValue) {\n      var Constructor = (byType.hasOwnProperty(type) ? byType[type] : null);\n      if (!Constructor) {\n        throw $sceMinErr('icontext',\n            'Attempted to trust a value in invalid context. Context: {0}; Value: {1}',\n            type, trustedValue);\n      }\n      if (trustedValue === null || isUndefined(trustedValue) || trustedValue === '') {\n        return trustedValue;\n      }\n      // All the current contexts in SCE_CONTEXTS happen to be strings.  In order to avoid trusting\n      // mutable objects, we ensure here that the value passed in is actually a string.\n      if (typeof trustedValue !== 'string') {\n        throw $sceMinErr('itype',\n            'Attempted to trust a non-string value in a content requiring a string: Context: {0}',\n            type);\n      }\n      return new Constructor(trustedValue);\n    }\n\n    /**\n     * @ngdoc method\n     * @name $sceDelegate#valueOf\n     *\n     * @description\n     * If the passed parameter had been returned by a prior call to {@link ng.$sceDelegate#trustAs\n     * `$sceDelegate.trustAs`}, returns the value that had been passed to {@link\n     * ng.$sceDelegate#trustAs `$sceDelegate.trustAs`}.\n     *\n     * If the passed parameter is not a value that had been returned by {@link\n     * ng.$sceDelegate#trustAs `$sceDelegate.trustAs`}, it must be returned as-is.\n     *\n     * @param {*} value The result of a prior {@link ng.$sceDelegate#trustAs `$sceDelegate.trustAs`}\n     *     call or anything else.\n     * @return {*} The `value` that was originally provided to {@link ng.$sceDelegate#trustAs\n     *     `$sceDelegate.trustAs`} if `value` is the result of such a call.  Otherwise, returns\n     *     `value` unchanged.\n     */\n    function valueOf(maybeTrusted) {\n      if (maybeTrusted instanceof trustedValueHolderBase) {\n        return maybeTrusted.$$unwrapTrustedValue();\n      } else {\n        return maybeTrusted;\n      }\n    }\n\n    /**\n     * @ngdoc method\n     * @name $sceDelegate#getTrusted\n     *\n     * @description\n     * Given an object and a security context in which to assign it, returns a value that's safe to\n     * use in this context, which was represented by the parameter. To do so, this function either\n     * unwraps the safe type it has been given (for instance, a {@link ng.$sceDelegate#trustAs\n     * `$sceDelegate.trustAs`} result), or it might try to sanitize the value given, depending on\n     * the context and sanitizer availablility.\n     *\n     * The contexts that can be sanitized are $sce.MEDIA_URL, $sce.URL and $sce.HTML. The first two are available\n     * by default, and the third one relies on the `$sanitize` service (which may be loaded through\n     * the `ngSanitize` module). Furthermore, for $sce.RESOURCE_URL context, a plain string may be\n     * accepted if the resource url policy defined by {@link ng.$sceDelegateProvider#resourceUrlWhitelist\n     * `$sceDelegateProvider.resourceUrlWhitelist`} and {@link ng.$sceDelegateProvider#resourceUrlBlacklist\n     * `$sceDelegateProvider.resourceUrlBlacklist`} accepts that resource.\n     *\n     * This function will throw if the safe type isn't appropriate for this context, or if the\n     * value given cannot be accepted in the context (which might be caused by sanitization not\n     * being available, or the value not being recognized as safe).\n     *\n     * <div class=\"alert alert-danger\">\n     * Disabling auto-escaping is extremely dangerous, it usually creates a Cross Site Scripting\n     * (XSS) vulnerability in your application.\n     * </div>\n     *\n     * @param {string} type The context in which this value is to be used (such as `$sce.HTML`).\n     * @param {*} maybeTrusted The result of a prior {@link ng.$sceDelegate#trustAs\n     *     `$sceDelegate.trustAs`} call, or anything else (which will not be considered trusted.)\n     * @return {*} A version of the value that's safe to use in the given context, or throws an\n     *     exception if this is impossible.\n     */\n    function getTrusted(type, maybeTrusted) {\n      if (maybeTrusted === null || isUndefined(maybeTrusted) || maybeTrusted === '') {\n        return maybeTrusted;\n      }\n      var constructor = (byType.hasOwnProperty(type) ? byType[type] : null);\n      // If maybeTrusted is a trusted class instance or subclass instance, then unwrap and return\n      // as-is.\n      if (constructor && maybeTrusted instanceof constructor) {\n        return maybeTrusted.$$unwrapTrustedValue();\n      }\n\n      // If maybeTrusted is a trusted class instance but not of the correct trusted type\n      // then unwrap it and allow it to pass through to the rest of the checks\n      if (isFunction(maybeTrusted.$$unwrapTrustedValue)) {\n        maybeTrusted = maybeTrusted.$$unwrapTrustedValue();\n      }\n\n      // If we get here, then we will either sanitize the value or throw an exception.\n      if (type === SCE_CONTEXTS.MEDIA_URL || type === SCE_CONTEXTS.URL) {\n        // we attempt to sanitize non-resource URLs\n        return $$sanitizeUri(maybeTrusted.toString(), type === SCE_CONTEXTS.MEDIA_URL);\n      } else if (type === SCE_CONTEXTS.RESOURCE_URL) {\n        if (isResourceUrlAllowedByPolicy(maybeTrusted)) {\n          return maybeTrusted;\n        } else {\n          throw $sceMinErr('insecurl',\n              'Blocked loading resource from url not allowed by $sceDelegate policy.  URL: {0}',\n              maybeTrusted.toString());\n        }\n      } else if (type === SCE_CONTEXTS.HTML) {\n        // htmlSanitizer throws its own error when no sanitizer is available.\n        return htmlSanitizer(maybeTrusted);\n      }\n      // Default error when the $sce service has no way to make the input safe.\n      throw $sceMinErr('unsafe', 'Attempting to use an unsafe value in a safe context.');\n    }\n\n    return { trustAs: trustAs,\n             getTrusted: getTrusted,\n             valueOf: valueOf };\n  }];\n}\n\n\n/**\n * @ngdoc provider\n * @name $sceProvider\n * @this\n *\n * @description\n *\n * The $sceProvider provider allows developers to configure the {@link ng.$sce $sce} service.\n * -   enable/disable Strict Contextual Escaping (SCE) in a module\n * -   override the default implementation with a custom delegate\n *\n * Read more about {@link ng.$sce Strict Contextual Escaping (SCE)}.\n */\n\n/**\n * @ngdoc service\n * @name $sce\n * @kind function\n *\n * @description\n *\n * `$sce` is a service that provides Strict Contextual Escaping services to AngularJS.\n *\n * ## Strict Contextual Escaping\n *\n * Strict Contextual Escaping (SCE) is a mode in which AngularJS constrains bindings to only render\n * trusted values. Its goal is to assist in writing code in a way that (a) is secure by default, and\n * (b) makes auditing for security vulnerabilities such as XSS, clickjacking, etc. a lot easier.\n *\n * ### Overview\n *\n * To systematically block XSS security bugs, AngularJS treats all values as untrusted by default in\n * HTML or sensitive URL bindings. When binding untrusted values, AngularJS will automatically\n * run security checks on them (sanitizations, whitelists, depending on context), or throw when it\n * cannot guarantee the security of the result. That behavior depends strongly on contexts: HTML\n * can be sanitized, but template URLs cannot, for instance.\n *\n * To illustrate this, consider the `ng-bind-html` directive. It renders its value directly as HTML:\n * we call that the *context*. When given an untrusted input, AngularJS will attempt to sanitize it\n * before rendering if a sanitizer is available, and throw otherwise. To bypass sanitization and\n * render the input as-is, you will need to mark it as trusted for that context before attempting\n * to bind it.\n *\n * As of version 1.2, AngularJS ships with SCE enabled by default.\n *\n * ### In practice\n *\n * Here's an example of a binding in a privileged context:\n *\n * ```\n * <input ng-model=\"userHtml\" aria-label=\"User input\">\n * <div ng-bind-html=\"userHtml\"></div>\n * ```\n *\n * Notice that `ng-bind-html` is bound to `userHtml` controlled by the user.  With SCE\n * disabled, this application allows the user to render arbitrary HTML into the DIV, which would\n * be an XSS security bug. In a more realistic example, one may be rendering user comments, blog\n * articles, etc. via bindings. (HTML is just one example of a context where rendering user\n * controlled input creates security vulnerabilities.)\n *\n * For the case of HTML, you might use a library, either on the client side, or on the server side,\n * to sanitize unsafe HTML before binding to the value and rendering it in the document.\n *\n * How would you ensure that every place that used these types of bindings was bound to a value that\n * was sanitized by your library (or returned as safe for rendering by your server?)  How can you\n * ensure that you didn't accidentally delete the line that sanitized the value, or renamed some\n * properties/fields and forgot to update the binding to the sanitized value?\n *\n * To be secure by default, AngularJS makes sure bindings go through that sanitization, or\n * any similar validation process, unless there's a good reason to trust the given value in this\n * context.  That trust is formalized with a function call. This means that as a developer, you\n * can assume all untrusted bindings are safe. Then, to audit your code for binding security issues,\n * you just need to ensure the values you mark as trusted indeed are safe - because they were\n * received from your server, sanitized by your library, etc. You can organize your codebase to\n * help with this - perhaps allowing only the files in a specific directory to do this.\n * Ensuring that the internal API exposed by that code doesn't markup arbitrary values as safe then\n * becomes a more manageable task.\n *\n * In the case of AngularJS' SCE service, one uses {@link ng.$sce#trustAs $sce.trustAs}\n * (and shorthand methods such as {@link ng.$sce#trustAsHtml $sce.trustAsHtml}, etc.) to\n * build the trusted versions of your values.\n *\n * ### How does it work?\n *\n * In privileged contexts, directives and code will bind to the result of {@link ng.$sce#getTrusted\n * $sce.getTrusted(context, value)} rather than to the value directly.  Think of this function as\n * a way to enforce the required security context in your data sink. Directives use {@link\n * ng.$sce#parseAs $sce.parseAs} rather than `$parse` to watch attribute bindings, which performs\n * the {@link ng.$sce#getTrusted $sce.getTrusted} behind the scenes on non-constant literals. Also,\n * when binding without directives, AngularJS will understand the context of your bindings\n * automatically.\n *\n * As an example, {@link ng.directive:ngBindHtml ngBindHtml} uses {@link\n * ng.$sce#parseAsHtml $sce.parseAsHtml(binding expression)}.  Here's the actual code (slightly\n * simplified):\n *\n * ```\n * var ngBindHtmlDirective = ['$sce', function($sce) {\n *   return function(scope, element, attr) {\n *     scope.$watch($sce.parseAsHtml(attr.ngBindHtml), function(value) {\n *       element.html(value || '');\n *     });\n *   };\n * }];\n * ```\n *\n * ### Impact on loading templates\n *\n * This applies both to the {@link ng.directive:ngInclude `ng-include`} directive as well as\n * `templateUrl`'s specified by {@link guide/directive directives}.\n *\n * By default, AngularJS only loads templates from the same domain and protocol as the application\n * document.  This is done by calling {@link ng.$sce#getTrustedResourceUrl\n * $sce.getTrustedResourceUrl} on the template URL.  To load templates from other domains and/or\n * protocols, you may either {@link ng.$sceDelegateProvider#resourceUrlWhitelist whitelist\n * them} or {@link ng.$sce#trustAsResourceUrl wrap it} into a trusted value.\n *\n * *Please note*:\n * The browser's\n * [Same Origin Policy](https://code.google.com/p/browsersec/wiki/Part2#Same-origin_policy_for_XMLHttpRequest)\n * and [Cross-Origin Resource Sharing (CORS)](http://www.w3.org/TR/cors/)\n * policy apply in addition to this and may further restrict whether the template is successfully\n * loaded.  This means that without the right CORS policy, loading templates from a different domain\n * won't work on all browsers.  Also, loading templates from `file://` URL does not work on some\n * browsers.\n *\n * ### This feels like too much overhead\n *\n * It's important to remember that SCE only applies to interpolation expressions.\n *\n * If your expressions are constant literals, they're automatically trusted and you don't need to\n * call `$sce.trustAs` on them (e.g.\n * `<div ng-bind-html=\"'<b>implicitly trusted</b>'\"></div>`) just works (remember to include the\n * `ngSanitize` module). The `$sceDelegate` will also use the `$sanitize` service if it is available\n * when binding untrusted values to `$sce.HTML` context.\n * AngularJS provides an implementation in `angular-sanitize.js`, and if you\n * wish to use it, you will also need to depend on the {@link ngSanitize `ngSanitize`} module in\n * your application.\n *\n * The included {@link ng.$sceDelegate $sceDelegate} comes with sane defaults to allow you to load\n * templates in `ng-include` from your application's domain without having to even know about SCE.\n * It blocks loading templates from other domains or loading templates over http from an https\n * served document.  You can change these by setting your own custom {@link\n * ng.$sceDelegateProvider#resourceUrlWhitelist whitelists} and {@link\n * ng.$sceDelegateProvider#resourceUrlBlacklist blacklists} for matching such URLs.\n *\n * This significantly reduces the overhead.  It is far easier to pay the small overhead and have an\n * application that's secure and can be audited to verify that with much more ease than bolting\n * security onto an application later.\n *\n * <a name=\"contexts\"></a>\n * ### What trusted context types are supported?\n *\n * | Context             | Notes          |\n * |---------------------|----------------|\n * | `$sce.HTML`         | For HTML that's safe to source into the application.  The {@link ng.directive:ngBindHtml ngBindHtml} directive uses this context for bindings. If an unsafe value is encountered and the {@link ngSanitize $sanitize} module is present this will sanitize the value instead of throwing an error. |\n * | `$sce.CSS`          | For CSS that's safe to source into the application.  Currently unused.  Feel free to use it in your own directives. |\n * | `$sce.MEDIA_URL`    | For URLs that are safe to render as media. Is automatically converted from string by sanitizing when needed. |\n * | `$sce.URL`          | For URLs that are safe to follow as links. Is automatically converted from string by sanitizing when needed. Note that `$sce.URL` makes a stronger statement about the URL than `$sce.MEDIA_URL` does and therefore contexts requiring values trusted for `$sce.URL` can be used anywhere that values trusted for `$sce.MEDIA_URL` are required.|\n * | `$sce.RESOURCE_URL` | For URLs that are not only safe to follow as links, but whose contents are also safe to include in your application.  Examples include `ng-include`, `src` / `ngSrc` bindings for tags other than `IMG` (e.g. `IFRAME`, `OBJECT`, etc.)  <br><br>Note that `$sce.RESOURCE_URL` makes a stronger statement about the URL than `$sce.URL` or `$sce.MEDIA_URL` do and therefore contexts requiring values trusted for `$sce.RESOURCE_URL` can be used anywhere that values trusted for `$sce.URL` or `$sce.MEDIA_URL` are required. <br><br> The {@link $sceDelegateProvider#resourceUrlWhitelist $sceDelegateProvider#resourceUrlWhitelist()} and {@link $sceDelegateProvider#resourceUrlBlacklist $sceDelegateProvider#resourceUrlBlacklist()} can be used to restrict trusted origins for `RESOURCE_URL` |\n * | `$sce.JS`           | For JavaScript that is safe to execute in your application's context.  Currently unused.  Feel free to use it in your own directives. |\n *\n *\n * <div class=\"alert alert-warning\">\n * Be aware that, before AngularJS 1.7.0, `a[href]` and `img[src]` used to sanitize their\n * interpolated values directly rather than rely upon {@link ng.$sce#getTrusted `$sce.getTrusted`}.\n *\n * **As of 1.7.0, this is no longer the case.**\n *\n * Now such interpolations are marked as requiring `$sce.URL` (for `a[href]`) or `$sce.MEDIA_URL`\n * (for `img[src]`), so that the sanitization happens (via `$sce.getTrusted...`) when the `$interpolate`\n * service evaluates the expressions.\n * </div>\n *\n * There are no CSS or JS context bindings in AngularJS currently, so their corresponding `$sce.trustAs`\n * functions aren't useful yet. This might evolve.\n *\n * ### Format of items in {@link ng.$sceDelegateProvider#resourceUrlWhitelist resourceUrlWhitelist}/{@link ng.$sceDelegateProvider#resourceUrlBlacklist Blacklist} <a name=\"resourceUrlPatternItem\"></a>\n *\n *  Each element in these arrays must be one of the following:\n *\n *  - **'self'**\n *    - The special **string**, `'self'`, can be used to match against all URLs of the **same\n *      domain** as the application document using the **same protocol**.\n *  - **String** (except the special value `'self'`)\n *    - The string is matched against the full *normalized / absolute URL* of the resource\n *      being tested (substring matches are not good enough.)\n *    - There are exactly **two wildcard sequences** - `*` and `**`.  All other characters\n *      match themselves.\n *    - `*`: matches zero or more occurrences of any character other than one of the following 6\n *      characters: '`:`', '`/`', '`.`', '`?`', '`&`' and '`;`'.  It's a useful wildcard for use\n *      in a whitelist.\n *    - `**`: matches zero or more occurrences of *any* character.  As such, it's not\n *      appropriate for use in a scheme, domain, etc. as it would match too much.  (e.g.\n *      http://**.example.com/ would match http://evil.com/?ignore=.example.com/ and that might\n *      not have been the intention.)  Its usage at the very end of the path is ok.  (e.g.\n *      http://foo.example.com/templates/**).\n *  - **RegExp** (*see caveat below*)\n *    - *Caveat*:  While regular expressions are powerful and offer great flexibility,  their syntax\n *      (and all the inevitable escaping) makes them *harder to maintain*.  It's easy to\n *      accidentally introduce a bug when one updates a complex expression (imho, all regexes should\n *      have good test coverage).  For instance, the use of `.` in the regex is correct only in a\n *      small number of cases.  A `.` character in the regex used when matching the scheme or a\n *      subdomain could be matched against a `:` or literal `.` that was likely not intended.   It\n *      is highly recommended to use the string patterns and only fall back to regular expressions\n *      as a last resort.\n *    - The regular expression must be an instance of RegExp (i.e. not a string.)  It is\n *      matched against the **entire** *normalized / absolute URL* of the resource being tested\n *      (even when the RegExp did not have the `^` and `$` codes.)  In addition, any flags\n *      present on the RegExp (such as multiline, global, ignoreCase) are ignored.\n *    - If you are generating your JavaScript from some other templating engine (not\n *      recommended, e.g. in issue [#4006](https://github.com/angular/angular.js/issues/4006)),\n *      remember to escape your regular expression (and be aware that you might need more than\n *      one level of escaping depending on your templating engine and the way you interpolated\n *      the value.)  Do make use of your platform's escaping mechanism as it might be good\n *      enough before coding your own.  E.g. Ruby has\n *      [Regexp.escape(str)](http://www.ruby-doc.org/core-2.0.0/Regexp.html#method-c-escape)\n *      and Python has [re.escape](http://docs.python.org/library/re.html#re.escape).\n *      Javascript lacks a similar built in function for escaping.  Take a look at Google\n *      Closure library's [goog.string.regExpEscape(s)](\n *      http://docs.closure-library.googlecode.com/git/closure_goog_string_string.js.source.html#line962).\n *\n * Refer {@link ng.$sceDelegateProvider $sceDelegateProvider} for an example.\n *\n * ### Show me an example using SCE.\n *\n * <example module=\"mySceApp\" deps=\"angular-sanitize.js\" name=\"sce-service\">\n * <file name=\"index.html\">\n *   <div ng-controller=\"AppController as myCtrl\">\n *     <i ng-bind-html=\"myCtrl.explicitlyTrustedHtml\" id=\"explicitlyTrustedHtml\"></i><br><br>\n *     <b>User comments</b><br>\n *     By default, HTML that isn't explicitly trusted (e.g. Alice's comment) is sanitized when\n *     $sanitize is available.  If $sanitize isn't available, this results in an error instead of an\n *     exploit.\n *     <div class=\"well\">\n *       <div ng-repeat=\"userComment in myCtrl.userComments\">\n *         <b>{{userComment.name}}</b>:\n *         <span ng-bind-html=\"userComment.htmlComment\" class=\"htmlComment\"></span>\n *         <br>\n *       </div>\n *     </div>\n *   </div>\n * </file>\n *\n * <file name=\"script.js\">\n *   angular.module('mySceApp', ['ngSanitize'])\n *     .controller('AppController', ['$http', '$templateCache', '$sce',\n *       function AppController($http, $templateCache, $sce) {\n *         var self = this;\n *         $http.get('test_data.json', {cache: $templateCache}).then(function(response) {\n *           self.userComments = response.data;\n *         });\n *         self.explicitlyTrustedHtml = $sce.trustAsHtml(\n *             '<span onmouseover=\"this.textContent=&quot;Explicitly trusted HTML bypasses ' +\n *             'sanitization.&quot;\">Hover over this text.</span>');\n *       }]);\n * </file>\n *\n * <file name=\"test_data.json\">\n * [\n *   { \"name\": \"Alice\",\n *     \"htmlComment\":\n *         \"<span onmouseover='this.textContent=\\\"PWN3D!\\\"'>Is <i>anyone</i> reading this?</span>\"\n *   },\n *   { \"name\": \"Bob\",\n *     \"htmlComment\": \"<i>Yes!</i>  Am I the only other one?\"\n *   }\n * ]\n * </file>\n *\n * <file name=\"protractor.js\" type=\"protractor\">\n *   describe('SCE doc demo', function() {\n *     it('should sanitize untrusted values', function() {\n *       expect(element.all(by.css('.htmlComment')).first().getAttribute('innerHTML'))\n *           .toBe('<span>Is <i>anyone</i> reading this?</span>');\n *     });\n *\n *     it('should NOT sanitize explicitly trusted values', function() {\n *       expect(element(by.id('explicitlyTrustedHtml')).getAttribute('innerHTML')).toBe(\n *           '<span onmouseover=\"this.textContent=&quot;Explicitly trusted HTML bypasses ' +\n *           'sanitization.&quot;\">Hover over this text.</span>');\n *     });\n *   });\n * </file>\n * </example>\n *\n *\n *\n * ## Can I disable SCE completely?\n *\n * Yes, you can.  However, this is strongly discouraged.  SCE gives you a lot of security benefits\n * for little coding overhead.  It will be much harder to take an SCE disabled application and\n * either secure it on your own or enable SCE at a later stage.  It might make sense to disable SCE\n * for cases where you have a lot of existing code that was written before SCE was introduced and\n * you're migrating them a module at a time. Also do note that this is an app-wide setting, so if\n * you are writing a library, you will cause security bugs applications using it.\n *\n * That said, here's how you can completely disable SCE:\n *\n * ```\n * angular.module('myAppWithSceDisabledmyApp', []).config(function($sceProvider) {\n *   // Completely disable SCE.  For demonstration purposes only!\n *   // Do not use in new projects or libraries.\n *   $sceProvider.enabled(false);\n * });\n * ```\n *\n */\n\nfunction $SceProvider() {\n  var enabled = true;\n\n  /**\n   * @ngdoc method\n   * @name $sceProvider#enabled\n   * @kind function\n   *\n   * @param {boolean=} value If provided, then enables/disables SCE application-wide.\n   * @return {boolean} True if SCE is enabled, false otherwise.\n   *\n   * @description\n   * Enables/disables SCE and returns the current value.\n   */\n  this.enabled = function(value) {\n    if (arguments.length) {\n      enabled = !!value;\n    }\n    return enabled;\n  };\n\n\n  /* Design notes on the default implementation for SCE.\n   *\n   * The API contract for the SCE delegate\n   * -------------------------------------\n   * The SCE delegate object must provide the following 3 methods:\n   *\n   * - trustAs(contextEnum, value)\n   *     This method is used to tell the SCE service that the provided value is OK to use in the\n   *     contexts specified by contextEnum.  It must return an object that will be accepted by\n   *     getTrusted() for a compatible contextEnum and return this value.\n   *\n   * - valueOf(value)\n   *     For values that were not produced by trustAs(), return them as is.  For values that were\n   *     produced by trustAs(), return the corresponding input value to trustAs.  Basically, if\n   *     trustAs is wrapping the given values into some type, this operation unwraps it when given\n   *     such a value.\n   *\n   * - getTrusted(contextEnum, value)\n   *     This function should return the value that is safe to use in the context specified by\n   *     contextEnum or throw and exception otherwise.\n   *\n   * NOTE: This contract deliberately does NOT state that values returned by trustAs() must be\n   * opaque or wrapped in some holder object.  That happens to be an implementation detail.  For\n   * instance, an implementation could maintain a registry of all trusted objects by context.  In\n   * such a case, trustAs() would return the same object that was passed in.  getTrusted() would\n   * return the same object passed in if it was found in the registry under a compatible context or\n   * throw an exception otherwise.  An implementation might only wrap values some of the time based\n   * on some criteria.  getTrusted() might return a value and not throw an exception for special\n   * constants or objects even if not wrapped.  All such implementations fulfill this contract.\n   *\n   *\n   * A note on the inheritance model for SCE contexts\n   * ------------------------------------------------\n   * I've used inheritance and made RESOURCE_URL wrapped types a subtype of URL wrapped types.  This\n   * is purely an implementation details.\n   *\n   * The contract is simply this:\n   *\n   *     getTrusted($sce.RESOURCE_URL, value) succeeding implies that getTrusted($sce.URL, value)\n   *     will also succeed.\n   *\n   * Inheritance happens to capture this in a natural way. In some future, we may not use\n   * inheritance anymore. That is OK because no code outside of sce.js and sceSpecs.js would need to\n   * be aware of this detail.\n   */\n\n  this.$get = ['$parse', '$sceDelegate', function(\n                $parse,   $sceDelegate) {\n    // Support: IE 9-11 only\n    // Prereq: Ensure that we're not running in IE<11 quirks mode.  In that mode, IE < 11 allow\n    // the \"expression(javascript expression)\" syntax which is insecure.\n    if (enabled && msie < 8) {\n      throw $sceMinErr('iequirks',\n        'Strict Contextual Escaping does not support Internet Explorer version < 11 in quirks ' +\n        'mode.  You can fix this by adding the text <!doctype html> to the top of your HTML ' +\n        'document.  See http://docs.angularjs.org/api/ng.$sce for more information.');\n    }\n\n    var sce = shallowCopy(SCE_CONTEXTS);\n\n    /**\n     * @ngdoc method\n     * @name $sce#isEnabled\n     * @kind function\n     *\n     * @return {Boolean} True if SCE is enabled, false otherwise.  If you want to set the value, you\n     *     have to do it at module config time on {@link ng.$sceProvider $sceProvider}.\n     *\n     * @description\n     * Returns a boolean indicating if SCE is enabled.\n     */\n    sce.isEnabled = function() {\n      return enabled;\n    };\n    sce.trustAs = $sceDelegate.trustAs;\n    sce.getTrusted = $sceDelegate.getTrusted;\n    sce.valueOf = $sceDelegate.valueOf;\n\n    if (!enabled) {\n      sce.trustAs = sce.getTrusted = function(type, value) { return value; };\n      sce.valueOf = identity;\n    }\n\n    /**\n     * @ngdoc method\n     * @name $sce#parseAs\n     *\n     * @description\n     * Converts AngularJS {@link guide/expression expression} into a function.  This is like {@link\n     * ng.$parse $parse} and is identical when the expression is a literal constant.  Otherwise, it\n     * wraps the expression in a call to {@link ng.$sce#getTrusted $sce.getTrusted(*type*,\n     * *result*)}\n     *\n     * @param {string} type The SCE context in which this result will be used.\n     * @param {string} expression String expression to compile.\n     * @return {function(context, locals)} A function which represents the compiled expression:\n     *\n     *    * `context` – `{object}` – an object against which any expressions embedded in the\n     *      strings are evaluated against (typically a scope object).\n     *    * `locals` – `{object=}` – local variables context object, useful for overriding values\n     *      in `context`.\n     */\n    sce.parseAs = function sceParseAs(type, expr) {\n      var parsed = $parse(expr);\n      if (parsed.literal && parsed.constant) {\n        return parsed;\n      } else {\n        return $parse(expr, function(value) {\n          return sce.getTrusted(type, value);\n        });\n      }\n    };\n\n    /**\n     * @ngdoc method\n     * @name $sce#trustAs\n     *\n     * @description\n     * Delegates to {@link ng.$sceDelegate#trustAs `$sceDelegate.trustAs`}. As such, returns a\n     * wrapped object that represents your value, and the trust you have in its safety for the given\n     * context. AngularJS can then use that value as-is in bindings of the specified secure context.\n     * This is used in bindings for `ng-bind-html`, `ng-include`, and most `src` attribute\n     * interpolations. See {@link ng.$sce $sce} for strict contextual escaping.\n     *\n     * @param {string} type The context in which this value is safe for use, e.g. `$sce.URL`,\n     *     `$sce.RESOURCE_URL`, `$sce.HTML`, `$sce.JS` or `$sce.CSS`.\n     *\n     * @param {*} value The value that that should be considered trusted.\n     * @return {*} A wrapped version of value that can be used as a trusted variant of your `value`\n     *     in the context you specified.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#trustAsHtml\n     *\n     * @description\n     * Shorthand method.  `$sce.trustAsHtml(value)` →\n     *     {@link ng.$sceDelegate#trustAs `$sceDelegate.trustAs($sce.HTML, value)`}\n     *\n     * @param {*} value The value to mark as trusted for `$sce.HTML` context.\n     * @return {*} A wrapped version of value that can be used as a trusted variant of your `value`\n     *     in `$sce.HTML` context (like `ng-bind-html`).\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#trustAsCss\n     *\n     * @description\n     * Shorthand method.  `$sce.trustAsCss(value)` →\n     *     {@link ng.$sceDelegate#trustAs `$sceDelegate.trustAs($sce.CSS, value)`}\n     *\n     * @param {*} value The value to mark as trusted for `$sce.CSS` context.\n     * @return {*} A wrapped version of value that can be used as a trusted variant\n     *     of your `value` in `$sce.CSS` context. This context is currently unused, so there are\n     *     almost no reasons to use this function so far.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#trustAsUrl\n     *\n     * @description\n     * Shorthand method.  `$sce.trustAsUrl(value)` →\n     *     {@link ng.$sceDelegate#trustAs `$sceDelegate.trustAs($sce.URL, value)`}\n     *\n     * @param {*} value The value to mark as trusted for `$sce.URL` context.\n     * @return {*} A wrapped version of value that can be used as a trusted variant of your `value`\n     *     in `$sce.URL` context. That context is currently unused, so there are almost no reasons\n     *     to use this function so far.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#trustAsResourceUrl\n     *\n     * @description\n     * Shorthand method.  `$sce.trustAsResourceUrl(value)` →\n     *     {@link ng.$sceDelegate#trustAs `$sceDelegate.trustAs($sce.RESOURCE_URL, value)`}\n     *\n     * @param {*} value The value to mark as trusted for `$sce.RESOURCE_URL` context.\n     * @return {*} A wrapped version of value that can be used as a trusted variant of your `value`\n     *     in `$sce.RESOURCE_URL` context (template URLs in `ng-include`, most `src` attribute\n     *     bindings, ...)\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#trustAsJs\n     *\n     * @description\n     * Shorthand method.  `$sce.trustAsJs(value)` →\n     *     {@link ng.$sceDelegate#trustAs `$sceDelegate.trustAs($sce.JS, value)`}\n     *\n     * @param {*} value The value to mark as trusted for `$sce.JS` context.\n     * @return {*} A wrapped version of value that can be used as a trusted variant of your `value`\n     *     in `$sce.JS` context. That context is currently unused, so there are almost no reasons to\n     *     use this function so far.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#getTrusted\n     *\n     * @description\n     * Delegates to {@link ng.$sceDelegate#getTrusted `$sceDelegate.getTrusted`}.  As such,\n     * takes any input, and either returns a value that's safe to use in the specified context,\n     * or throws an exception. This function is aware of trusted values created by the `trustAs`\n     * function and its shorthands, and when contexts are appropriate, returns the unwrapped value\n     * as-is. Finally, this function can also throw when there is no way to turn `maybeTrusted` in a\n     * safe value (e.g., no sanitization is available or possible.)\n     *\n     * @param {string} type The context in which this value is to be used.\n     * @param {*} maybeTrusted The result of a prior {@link ng.$sce#trustAs\n     *     `$sce.trustAs`} call, or anything else (which will not be considered trusted.)\n     * @return {*} A version of the value that's safe to use in the given context, or throws an\n     *     exception if this is impossible.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#getTrustedHtml\n     *\n     * @description\n     * Shorthand method.  `$sce.getTrustedHtml(value)` →\n     *     {@link ng.$sceDelegate#getTrusted `$sceDelegate.getTrusted($sce.HTML, value)`}\n     *\n     * @param {*} value The value to pass to `$sce.getTrusted`.\n     * @return {*} The return value of `$sce.getTrusted($sce.HTML, value)`\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#getTrustedCss\n     *\n     * @description\n     * Shorthand method.  `$sce.getTrustedCss(value)` →\n     *     {@link ng.$sceDelegate#getTrusted `$sceDelegate.getTrusted($sce.CSS, value)`}\n     *\n     * @param {*} value The value to pass to `$sce.getTrusted`.\n     * @return {*} The return value of `$sce.getTrusted($sce.CSS, value)`\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#getTrustedUrl\n     *\n     * @description\n     * Shorthand method.  `$sce.getTrustedUrl(value)` →\n     *     {@link ng.$sceDelegate#getTrusted `$sceDelegate.getTrusted($sce.URL, value)`}\n     *\n     * @param {*} value The value to pass to `$sce.getTrusted`.\n     * @return {*} The return value of `$sce.getTrusted($sce.URL, value)`\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#getTrustedResourceUrl\n     *\n     * @description\n     * Shorthand method.  `$sce.getTrustedResourceUrl(value)` →\n     *     {@link ng.$sceDelegate#getTrusted `$sceDelegate.getTrusted($sce.RESOURCE_URL, value)`}\n     *\n     * @param {*} value The value to pass to `$sceDelegate.getTrusted`.\n     * @return {*} The return value of `$sce.getTrusted($sce.RESOURCE_URL, value)`\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#getTrustedJs\n     *\n     * @description\n     * Shorthand method.  `$sce.getTrustedJs(value)` →\n     *     {@link ng.$sceDelegate#getTrusted `$sceDelegate.getTrusted($sce.JS, value)`}\n     *\n     * @param {*} value The value to pass to `$sce.getTrusted`.\n     * @return {*} The return value of `$sce.getTrusted($sce.JS, value)`\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#parseAsHtml\n     *\n     * @description\n     * Shorthand method.  `$sce.parseAsHtml(expression string)` →\n     *     {@link ng.$sce#parseAs `$sce.parseAs($sce.HTML, value)`}\n     *\n     * @param {string} expression String expression to compile.\n     * @return {function(context, locals)} A function which represents the compiled expression:\n     *\n     *    * `context` – `{object}` – an object against which any expressions embedded in the\n     *      strings are evaluated against (typically a scope object).\n     *    * `locals` – `{object=}` – local variables context object, useful for overriding values\n     *      in `context`.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#parseAsCss\n     *\n     * @description\n     * Shorthand method.  `$sce.parseAsCss(value)` →\n     *     {@link ng.$sce#parseAs `$sce.parseAs($sce.CSS, value)`}\n     *\n     * @param {string} expression String expression to compile.\n     * @return {function(context, locals)} A function which represents the compiled expression:\n     *\n     *    * `context` – `{object}` – an object against which any expressions embedded in the\n     *      strings are evaluated against (typically a scope object).\n     *    * `locals` – `{object=}` – local variables context object, useful for overriding values\n     *      in `context`.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#parseAsUrl\n     *\n     * @description\n     * Shorthand method.  `$sce.parseAsUrl(value)` →\n     *     {@link ng.$sce#parseAs `$sce.parseAs($sce.URL, value)`}\n     *\n     * @param {string} expression String expression to compile.\n     * @return {function(context, locals)} A function which represents the compiled expression:\n     *\n     *    * `context` – `{object}` – an object against which any expressions embedded in the\n     *      strings are evaluated against (typically a scope object).\n     *    * `locals` – `{object=}` – local variables context object, useful for overriding values\n     *      in `context`.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#parseAsResourceUrl\n     *\n     * @description\n     * Shorthand method.  `$sce.parseAsResourceUrl(value)` →\n     *     {@link ng.$sce#parseAs `$sce.parseAs($sce.RESOURCE_URL, value)`}\n     *\n     * @param {string} expression String expression to compile.\n     * @return {function(context, locals)} A function which represents the compiled expression:\n     *\n     *    * `context` – `{object}` – an object against which any expressions embedded in the\n     *      strings are evaluated against (typically a scope object).\n     *    * `locals` – `{object=}` – local variables context object, useful for overriding values\n     *      in `context`.\n     */\n\n    /**\n     * @ngdoc method\n     * @name $sce#parseAsJs\n     *\n     * @description\n     * Shorthand method.  `$sce.parseAsJs(value)` →\n     *     {@link ng.$sce#parseAs `$sce.parseAs($sce.JS, value)`}\n     *\n     * @param {string} expression String expression to compile.\n     * @return {function(context, locals)} A function which represents the compiled expression:\n     *\n     *    * `context` – `{object}` – an object against which any expressions embedded in the\n     *      strings are evaluated against (typically a scope object).\n     *    * `locals` – `{object=}` – local variables context object, useful for overriding values\n     *      in `context`.\n     */\n\n    // Shorthand delegations.\n    var parse = sce.parseAs,\n        getTrusted = sce.getTrusted,\n        trustAs = sce.trustAs;\n\n    forEach(SCE_CONTEXTS, function(enumValue, name) {\n      var lName = lowercase(name);\n      sce[snakeToCamel('parse_as_' + lName)] = function(expr) {\n        return parse(enumValue, expr);\n      };\n      sce[snakeToCamel('get_trusted_' + lName)] = function(value) {\n        return getTrusted(enumValue, value);\n      };\n      sce[snakeToCamel('trust_as_' + lName)] = function(value) {\n        return trustAs(enumValue, value);\n      };\n    });\n\n    return sce;\n  }];\n}\n\n/* exported $SnifferProvider */\n\n/**\n * !!! This is an undocumented \"private\" service !!!\n *\n * @name $sniffer\n * @requires $window\n * @requires $document\n * @this\n *\n * @property {boolean} history Does the browser support html5 history api ?\n * @property {boolean} transitions Does the browser support CSS transition events ?\n * @property {boolean} animations Does the browser support CSS animation events ?\n *\n * @description\n * This is very simple implementation of testing browser's features.\n */\nfunction $SnifferProvider() {\n  this.$get = ['$window', '$document', function($window, $document) {\n    var eventSupport = {},\n        // Chrome Packaged Apps are not allowed to access `history.pushState`.\n        // If not sandboxed, they can be detected by the presence of `chrome.app.runtime`\n        // (see https://developer.chrome.com/apps/api_index). If sandboxed, they can be detected by\n        // the presence of an extension runtime ID and the absence of other Chrome runtime APIs\n        // (see https://developer.chrome.com/apps/manifest/sandbox).\n        // (NW.js apps have access to Chrome APIs, but do support `history`.)\n        isNw = $window.nw && $window.nw.process,\n        isChromePackagedApp =\n            !isNw &&\n            $window.chrome &&\n            ($window.chrome.app && $window.chrome.app.runtime ||\n                !$window.chrome.app && $window.chrome.runtime && $window.chrome.runtime.id),\n        hasHistoryPushState = !isChromePackagedApp && $window.history && $window.history.pushState,\n        android =\n          toInt((/android (\\d+)/.exec(lowercase(($window.navigator || {}).userAgent)) || [])[1]),\n        boxee = /Boxee/i.test(($window.navigator || {}).userAgent),\n        document = $document[0] || {},\n        bodyStyle = document.body && document.body.style,\n        transitions = false,\n        animations = false;\n\n    if (bodyStyle) {\n      // Support: Android <5, Blackberry Browser 10, default Chrome in Android 4.4.x\n      // Mentioned browsers need a -webkit- prefix for transitions & animations.\n      transitions = !!('transition' in bodyStyle || 'webkitTransition' in bodyStyle);\n      animations = !!('animation' in bodyStyle || 'webkitAnimation' in bodyStyle);\n    }\n\n\n    return {\n      // Android has history.pushState, but it does not update location correctly\n      // so let's not use the history API at all.\n      // http://code.google.com/p/android/issues/detail?id=17471\n      // https://github.com/angular/angular.js/issues/904\n\n      // older webkit browser (533.9) on Boxee box has exactly the same problem as Android has\n      // so let's not use the history API also\n      // We are purposefully using `!(android < 4)` to cover the case when `android` is undefined\n      history: !!(hasHistoryPushState && !(android < 4) && !boxee),\n      hasEvent: function(event) {\n        // Support: IE 9-11 only\n        // IE9 implements 'input' event it's so fubared that we rather pretend that it doesn't have\n        // it. In particular the event is not fired when backspace or delete key are pressed or\n        // when cut operation is performed.\n        // IE10+ implements 'input' event but it erroneously fires under various situations,\n        // e.g. when placeholder changes, or a form is focused.\n        if (event === 'input' && msie) return false;\n\n        if (isUndefined(eventSupport[event])) {\n          var divElm = document.createElement('div');\n          eventSupport[event] = 'on' + event in divElm;\n        }\n\n        return eventSupport[event];\n      },\n      csp: csp(),\n      transitions: transitions,\n      animations: animations,\n      android: android\n    };\n  }];\n}\n\n/**\n * ! This is a private undocumented service !\n *\n * @name $$taskTrackerFactory\n * @description\n * A function to create `TaskTracker` instances.\n *\n * A `TaskTracker` can keep track of pending tasks (grouped by type) and can notify interested\n * parties when all pending tasks (or tasks of a specific type) have been completed.\n *\n * @param {$log} log - A logger instance (such as `$log`). Used to log error during callback\n *     execution.\n *\n * @this\n */\nfunction $$TaskTrackerFactoryProvider() {\n  this.$get = valueFn(function(log) { return new TaskTracker(log); });\n}\n\nfunction TaskTracker(log) {\n  var self = this;\n  var taskCounts = {};\n  var taskCallbacks = [];\n\n  var ALL_TASKS_TYPE = self.ALL_TASKS_TYPE = '$$all$$';\n  var DEFAULT_TASK_TYPE = self.DEFAULT_TASK_TYPE = '$$default$$';\n\n  /**\n   * Execute the specified function and decrement the appropriate `taskCounts` counter.\n   * If the counter reaches 0, all corresponding `taskCallbacks` are executed.\n   *\n   * @param {Function} fn - The function to execute.\n   * @param {string=} [taskType=DEFAULT_TASK_TYPE] - The type of task that is being completed.\n   */\n  self.completeTask = completeTask;\n\n  /**\n   * Increase the task count for the specified task type (or the default task type if non is\n   * specified).\n   *\n   * @param {string=} [taskType=DEFAULT_TASK_TYPE] - The type of task whose count will be increased.\n   */\n  self.incTaskCount = incTaskCount;\n\n  /**\n   * Execute the specified callback when all pending tasks have been completed.\n   *\n   * If there are no pending tasks, the callback is executed immediately. You can optionally limit\n   * the tasks that will be waited for to a specific type, by passing a `taskType`.\n   *\n   * @param {function} callback - The function to call when there are no pending tasks.\n   * @param {string=} [taskType=ALL_TASKS_TYPE] - The type of tasks that will be waited for.\n   */\n  self.notifyWhenNoPendingTasks = notifyWhenNoPendingTasks;\n\n  function completeTask(fn, taskType) {\n    taskType = taskType || DEFAULT_TASK_TYPE;\n\n    try {\n      fn();\n    } finally {\n      decTaskCount(taskType);\n\n      var countForType = taskCounts[taskType];\n      var countForAll = taskCounts[ALL_TASKS_TYPE];\n\n      // If at least one of the queues (`ALL_TASKS_TYPE` or `taskType`) is empty, run callbacks.\n      if (!countForAll || !countForType) {\n        var getNextCallback = !countForAll ? getLastCallback : getLastCallbackForType;\n        var nextCb;\n\n        while ((nextCb = getNextCallback(taskType))) {\n          try {\n            nextCb();\n          } catch (e) {\n            log.error(e);\n          }\n        }\n      }\n    }\n  }\n\n  function decTaskCount(taskType) {\n    taskType = taskType || DEFAULT_TASK_TYPE;\n    if (taskCounts[taskType]) {\n      taskCounts[taskType]--;\n      taskCounts[ALL_TASKS_TYPE]--;\n    }\n  }\n\n  function getLastCallback() {\n    var cbInfo = taskCallbacks.pop();\n    return cbInfo && cbInfo.cb;\n  }\n\n  function getLastCallbackForType(taskType) {\n    for (var i = taskCallbacks.length - 1; i >= 0; --i) {\n      var cbInfo = taskCallbacks[i];\n      if (cbInfo.type === taskType) {\n        taskCallbacks.splice(i, 1);\n        return cbInfo.cb;\n      }\n    }\n  }\n\n  function incTaskCount(taskType) {\n    taskType = taskType || DEFAULT_TASK_TYPE;\n    taskCounts[taskType] = (taskCounts[taskType] || 0) + 1;\n    taskCounts[ALL_TASKS_TYPE] = (taskCounts[ALL_TASKS_TYPE] || 0) + 1;\n  }\n\n  function notifyWhenNoPendingTasks(callback, taskType) {\n    taskType = taskType || ALL_TASKS_TYPE;\n    if (!taskCounts[taskType]) {\n      callback();\n    } else {\n      taskCallbacks.push({type: taskType, cb: callback});\n    }\n  }\n}\n\nvar $templateRequestMinErr = minErr('$templateRequest');\n\n/**\n * @ngdoc provider\n * @name $templateRequestProvider\n * @this\n *\n * @description\n * Used to configure the options passed to the {@link $http} service when making a template request.\n *\n * For example, it can be used for specifying the \"Accept\" header that is sent to the server, when\n * requesting a template.\n */\nfunction $TemplateRequestProvider() {\n\n  var httpOptions;\n\n  /**\n   * @ngdoc method\n   * @name $templateRequestProvider#httpOptions\n   * @description\n   * The options to be passed to the {@link $http} service when making the request.\n   * You can use this to override options such as the \"Accept\" header for template requests.\n   *\n   * The {@link $templateRequest} will set the `cache` and the `transformResponse` properties of the\n   * options if not overridden here.\n   *\n   * @param {string=} value new value for the {@link $http} options.\n   * @returns {string|self} Returns the {@link $http} options when used as getter and self if used as setter.\n   */\n  this.httpOptions = function(val) {\n    if (val) {\n      httpOptions = val;\n      return this;\n    }\n    return httpOptions;\n  };\n\n  /**\n   * @ngdoc service\n   * @name $templateRequest\n   *\n   * @description\n   * The `$templateRequest` service runs security checks then downloads the provided template using\n   * `$http` and, upon success, stores the contents inside of `$templateCache`. If the HTTP request\n   * fails or the response data of the HTTP request is empty, a `$compile` error will be thrown (the\n   * exception can be thwarted by setting the 2nd parameter of the function to true). Note that the\n   * contents of `$templateCache` are trusted, so the call to `$sce.getTrustedUrl(tpl)` is omitted\n   * when `tpl` is of type string and `$templateCache` has the matching entry.\n   *\n   * If you want to pass custom options to the `$http` service, such as setting the Accept header you\n   * can configure this via {@link $templateRequestProvider#httpOptions}.\n   *\n   * `$templateRequest` is used internally by {@link $compile}, {@link ngRoute.$route}, and directives such\n   * as {@link ngInclude} to download and cache templates.\n   *\n   * 3rd party modules should use `$templateRequest` if their services or directives are loading\n   * templates.\n   *\n   * @param {string|TrustedResourceUrl} tpl The HTTP request template URL\n   * @param {boolean=} ignoreRequestError Whether or not to ignore the exception when the request fails or the template is empty\n   *\n   * @return {Promise} a promise for the HTTP response data of the given URL.\n   *\n   * @property {number} totalPendingRequests total amount of pending template requests being downloaded.\n   */\n  this.$get = ['$exceptionHandler', '$templateCache', '$http', '$q', '$sce',\n    function($exceptionHandler, $templateCache, $http, $q, $sce) {\n\n      function handleRequestFn(tpl, ignoreRequestError) {\n        handleRequestFn.totalPendingRequests++;\n\n        // We consider the template cache holds only trusted templates, so\n        // there's no need to go through whitelisting again for keys that already\n        // are included in there. This also makes AngularJS accept any script\n        // directive, no matter its name. However, we still need to unwrap trusted\n        // types.\n        if (!isString(tpl) || isUndefined($templateCache.get(tpl))) {\n          tpl = $sce.getTrustedResourceUrl(tpl);\n        }\n\n        var transformResponse = $http.defaults && $http.defaults.transformResponse;\n\n        if (isArray(transformResponse)) {\n          transformResponse = transformResponse.filter(function(transformer) {\n            return transformer !== defaultHttpResponseTransform;\n          });\n        } else if (transformResponse === defaultHttpResponseTransform) {\n          transformResponse = null;\n        }\n\n        return $http.get(tpl, extend({\n            cache: $templateCache,\n            transformResponse: transformResponse\n          }, httpOptions))\n          .finally(function() {\n            handleRequestFn.totalPendingRequests--;\n          })\n          .then(function(response) {\n            return $templateCache.put(tpl, response.data);\n          }, handleError);\n\n        function handleError(resp) {\n          if (!ignoreRequestError) {\n            resp = $templateRequestMinErr('tpload',\n                'Failed to load template: {0} (HTTP status: {1} {2})',\n                tpl, resp.status, resp.statusText);\n\n            $exceptionHandler(resp);\n          }\n\n          return $q.reject(resp);\n        }\n      }\n\n      handleRequestFn.totalPendingRequests = 0;\n\n      return handleRequestFn;\n    }\n  ];\n}\n\n/** @this */\nfunction $$TestabilityProvider() {\n  this.$get = ['$rootScope', '$browser', '$location',\n       function($rootScope,   $browser,   $location) {\n\n    /**\n     * @name $testability\n     *\n     * @description\n     * The private $$testability service provides a collection of methods for use when debugging\n     * or by automated test and debugging tools.\n     */\n    var testability = {};\n\n    /**\n     * @name $$testability#findBindings\n     *\n     * @description\n     * Returns an array of elements that are bound (via ng-bind or {{}})\n     * to expressions matching the input.\n     *\n     * @param {Element} element The element root to search from.\n     * @param {string} expression The binding expression to match.\n     * @param {boolean} opt_exactMatch If true, only returns exact matches\n     *     for the expression. Filters and whitespace are ignored.\n     */\n    testability.findBindings = function(element, expression, opt_exactMatch) {\n      var bindings = element.getElementsByClassName('ng-binding');\n      var matches = [];\n      forEach(bindings, function(binding) {\n        var dataBinding = angular.element(binding).data('$binding');\n        if (dataBinding) {\n          forEach(dataBinding, function(bindingName) {\n            if (opt_exactMatch) {\n              var matcher = new RegExp('(^|\\\\s)' + escapeForRegexp(expression) + '(\\\\s|\\\\||$)');\n              if (matcher.test(bindingName)) {\n                matches.push(binding);\n              }\n            } else {\n              if (bindingName.indexOf(expression) !== -1) {\n                matches.push(binding);\n              }\n            }\n          });\n        }\n      });\n      return matches;\n    };\n\n    /**\n     * @name $$testability#findModels\n     *\n     * @description\n     * Returns an array of elements that are two-way found via ng-model to\n     * expressions matching the input.\n     *\n     * @param {Element} element The element root to search from.\n     * @param {string} expression The model expression to match.\n     * @param {boolean} opt_exactMatch If true, only returns exact matches\n     *     for the expression.\n     */\n    testability.findModels = function(element, expression, opt_exactMatch) {\n      var prefixes = ['ng-', 'data-ng-', 'ng\\\\:'];\n      for (var p = 0; p < prefixes.length; ++p) {\n        var attributeEquals = opt_exactMatch ? '=' : '*=';\n        var selector = '[' + prefixes[p] + 'model' + attributeEquals + '\"' + expression + '\"]';\n        var elements = element.querySelectorAll(selector);\n        if (elements.length) {\n          return elements;\n        }\n      }\n    };\n\n    /**\n     * @name $$testability#getLocation\n     *\n     * @description\n     * Shortcut for getting the location in a browser agnostic way. Returns\n     *     the path, search, and hash. (e.g. /path?a=b#hash)\n     */\n    testability.getLocation = function() {\n      return $location.url();\n    };\n\n    /**\n     * @name $$testability#setLocation\n     *\n     * @description\n     * Shortcut for navigating to a location without doing a full page reload.\n     *\n     * @param {string} url The location url (path, search and hash,\n     *     e.g. /path?a=b#hash) to go to.\n     */\n    testability.setLocation = function(url) {\n      if (url !== $location.url()) {\n        $location.url(url);\n        $rootScope.$digest();\n      }\n    };\n\n    /**\n     * @name $$testability#whenStable\n     *\n     * @description\n     * Calls the callback when all pending tasks are completed.\n     *\n     * Types of tasks waited for include:\n     * - Pending timeouts (via {@link $timeout}).\n     * - Pending HTTP requests (via {@link $http}).\n     * - In-progress route transitions (via {@link $route}).\n     * - Pending tasks scheduled via {@link $rootScope#$applyAsync}.\n     * - Pending tasks scheduled via {@link $rootScope#$evalAsync}.\n     *   These include tasks scheduled via `$evalAsync()` indirectly (such as {@link $q} promises).\n     *\n     * @param {function} callback\n     */\n    testability.whenStable = function(callback) {\n      $browser.notifyWhenNoOutstandingRequests(callback);\n    };\n\n    return testability;\n  }];\n}\n\nvar $timeoutMinErr = minErr('$timeout');\n\n/** @this */\nfunction $TimeoutProvider() {\n  this.$get = ['$rootScope', '$browser', '$q', '$$q', '$exceptionHandler',\n       function($rootScope,   $browser,   $q,   $$q,   $exceptionHandler) {\n\n    var deferreds = {};\n\n\n    /**\n     * @ngdoc service\n     * @name $timeout\n     *\n     * @description\n     * AngularJS's wrapper for `window.setTimeout`. The `fn` function is wrapped into a try/catch\n     * block and delegates any exceptions to\n     * {@link ng.$exceptionHandler $exceptionHandler} service.\n     *\n     * The return value of calling `$timeout` is a promise, which will be resolved when\n     * the delay has passed and the timeout function, if provided, is executed.\n     *\n     * To cancel a timeout request, call `$timeout.cancel(promise)`.\n     *\n     * In tests you can use {@link ngMock.$timeout `$timeout.flush()`} to\n     * synchronously flush the queue of deferred functions.\n     *\n     * If you only want a promise that will be resolved after some specified delay\n     * then you can call `$timeout` without the `fn` function.\n     *\n     * @param {function()=} fn A function, whose execution should be delayed.\n     * @param {number=} [delay=0] Delay in milliseconds.\n     * @param {boolean=} [invokeApply=true] If set to `false` skips model dirty checking, otherwise\n     *   will invoke `fn` within the {@link ng.$rootScope.Scope#$apply $apply} block.\n     * @param {...*=} Pass additional parameters to the executed function.\n     * @returns {Promise} Promise that will be resolved when the timeout is reached. The promise\n     *   will be resolved with the return value of the `fn` function.\n     *\n     */\n    function timeout(fn, delay, invokeApply) {\n      if (!isFunction(fn)) {\n        invokeApply = delay;\n        delay = fn;\n        fn = noop;\n      }\n\n      var args = sliceArgs(arguments, 3),\n          skipApply = (isDefined(invokeApply) && !invokeApply),\n          deferred = (skipApply ? $$q : $q).defer(),\n          promise = deferred.promise,\n          timeoutId;\n\n      timeoutId = $browser.defer(function() {\n        try {\n          deferred.resolve(fn.apply(null, args));\n        } catch (e) {\n          deferred.reject(e);\n          $exceptionHandler(e);\n        } finally {\n          delete deferreds[promise.$$timeoutId];\n        }\n\n        if (!skipApply) $rootScope.$apply();\n      }, delay, '$timeout');\n\n      promise.$$timeoutId = timeoutId;\n      deferreds[timeoutId] = deferred;\n\n      return promise;\n    }\n\n\n    /**\n     * @ngdoc method\n     * @name $timeout#cancel\n     *\n     * @description\n     * Cancels a task associated with the `promise`. As a result of this, the promise will be\n     * resolved with a rejection.\n     *\n     * @param {Promise=} promise Promise returned by the `$timeout` function.\n     * @returns {boolean} Returns `true` if the task hasn't executed yet and was successfully\n     *   canceled.\n     */\n    timeout.cancel = function(promise) {\n      if (!promise) return false;\n\n      if (!promise.hasOwnProperty('$$timeoutId')) {\n        throw $timeoutMinErr('badprom',\n            '`$timeout.cancel()` called with a promise that was not generated by `$timeout()`.');\n      }\n\n      if (!deferreds.hasOwnProperty(promise.$$timeoutId)) return false;\n\n      var id = promise.$$timeoutId;\n      var deferred = deferreds[id];\n\n      // Timeout cancels should not report an unhandled promise.\n      markQExceptionHandled(deferred.promise);\n      deferred.reject('canceled');\n      delete deferreds[id];\n\n      return $browser.defer.cancel(id);\n    };\n\n    return timeout;\n  }];\n}\n\n// NOTE:  The usage of window and document instead of $window and $document here is\n// deliberate.  This service depends on the specific behavior of anchor nodes created by the\n// browser (resolving and parsing URLs) that is unlikely to be provided by mock objects and\n// cause us to break tests.  In addition, when the browser resolves a URL for XHR, it\n// doesn't know about mocked locations and resolves URLs to the real document - which is\n// exactly the behavior needed here.  There is little value is mocking these out for this\n// service.\nvar urlParsingNode = window.document.createElement('a');\nvar originUrl = urlResolve(window.location.href);\nvar baseUrlParsingNode;\n\nurlParsingNode.href = 'http://[::1]';\n\n// Support: IE 9-11 only, Edge 16-17 only (fixed in 18 Preview)\n// IE/Edge don't wrap IPv6 addresses' hostnames in square brackets\n// when parsed out of an anchor element.\nvar ipv6InBrackets = urlParsingNode.hostname === '[::1]';\n\n/**\n *\n * Implementation Notes for non-IE browsers\n * ----------------------------------------\n * Assigning a URL to the href property of an anchor DOM node, even one attached to the DOM,\n * results both in the normalizing and parsing of the URL.  Normalizing means that a relative\n * URL will be resolved into an absolute URL in the context of the application document.\n * Parsing means that the anchor node's host, hostname, protocol, port, pathname and related\n * properties are all populated to reflect the normalized URL.  This approach has wide\n * compatibility - Safari 1+, Mozilla 1+ etc.  See\n * http://www.aptana.com/reference/html/api/HTMLAnchorElement.html\n *\n * Implementation Notes for IE\n * ---------------------------\n * IE <= 10 normalizes the URL when assigned to the anchor node similar to the other\n * browsers.  However, the parsed components will not be set if the URL assigned did not specify\n * them.  (e.g. if you assign a.href = \"foo\", then a.protocol, a.host, etc. will be empty.)  We\n * work around that by performing the parsing in a 2nd step by taking a previously normalized\n * URL (e.g. by assigning to a.href) and assigning it a.href again.  This correctly populates the\n * properties such as protocol, hostname, port, etc.\n *\n * References:\n *   http://developer.mozilla.org/en-US/docs/Web/API/HTMLAnchorElement\n *   http://www.aptana.com/reference/html/api/HTMLAnchorElement.html\n *   http://url.spec.whatwg.org/#urlutils\n *   https://github.com/angular/angular.js/pull/2902\n *   http://james.padolsey.com/javascript/parsing-urls-with-the-dom/\n *\n * @kind function\n * @param {string|object} url The URL to be parsed. If `url` is not a string, it will be returned\n *     unchanged.\n * @description Normalizes and parses a URL.\n * @returns {object} Returns the normalized URL as a dictionary.\n *\n *   | member name   | Description                                                            |\n *   |---------------|------------------------------------------------------------------------|\n *   | href          | A normalized version of the provided URL if it was not an absolute URL |\n *   | protocol      | The protocol without the trailing colon                                |\n *   | host          | The host and port (if the port is non-default) of the normalizedUrl    |\n *   | search        | The search params, minus the question mark                             |\n *   | hash          | The hash string, minus the hash symbol                                 |\n *   | hostname      | The hostname                                                           |\n *   | port          | The port, without \":\"                                                  |\n *   | pathname      | The pathname, beginning with \"/\"                                       |\n *\n */\nfunction urlResolve(url) {\n  if (!isString(url)) return url;\n\n  var href = url;\n\n  // Support: IE 9-11 only\n  if (msie) {\n    // Normalize before parse.  Refer Implementation Notes on why this is\n    // done in two steps on IE.\n    urlParsingNode.setAttribute('href', href);\n    href = urlParsingNode.href;\n  }\n\n  urlParsingNode.setAttribute('href', href);\n\n  var hostname = urlParsingNode.hostname;\n\n  if (!ipv6InBrackets && hostname.indexOf(':') > -1) {\n    hostname = '[' + hostname + ']';\n  }\n\n  return {\n    href: urlParsingNode.href,\n    protocol: urlParsingNode.protocol ? urlParsingNode.protocol.replace(/:$/, '') : '',\n    host: urlParsingNode.host,\n    search: urlParsingNode.search ? urlParsingNode.search.replace(/^\\?/, '') : '',\n    hash: urlParsingNode.hash ? urlParsingNode.hash.replace(/^#/, '') : '',\n    hostname: hostname,\n    port: urlParsingNode.port,\n    pathname: (urlParsingNode.pathname.charAt(0) === '/')\n      ? urlParsingNode.pathname\n      : '/' + urlParsingNode.pathname\n  };\n}\n\n/**\n * Parse a request URL and determine whether this is a same-origin request as the application\n * document.\n *\n * @param {string|object} requestUrl The url of the request as a string that will be resolved\n * or a parsed URL object.\n * @returns {boolean} Whether the request is for the same origin as the application document.\n */\nfunction urlIsSameOrigin(requestUrl) {\n  return urlsAreSameOrigin(requestUrl, originUrl);\n}\n\n/**\n * Parse a request URL and determine whether it is same-origin as the current document base URL.\n *\n * Note: The base URL is usually the same as the document location (`location.href`) but can\n * be overriden by using the `<base>` tag.\n *\n * @param {string|object} requestUrl The url of the request as a string that will be resolved\n * or a parsed URL object.\n * @returns {boolean} Whether the URL is same-origin as the document base URL.\n */\nfunction urlIsSameOriginAsBaseUrl(requestUrl) {\n  return urlsAreSameOrigin(requestUrl, getBaseUrl());\n}\n\n/**\n * Create a function that can check a URL's origin against a list of allowed/whitelisted origins.\n * The current location's origin is implicitly trusted.\n *\n * @param {string[]} whitelistedOriginUrls - A list of URLs (strings), whose origins are trusted.\n *\n * @returns {Function} - A function that receives a URL (string or parsed URL object) and returns\n *     whether it is of an allowed origin.\n */\nfunction urlIsAllowedOriginFactory(whitelistedOriginUrls) {\n  var parsedAllowedOriginUrls = [originUrl].concat(whitelistedOriginUrls.map(urlResolve));\n\n  /**\n   * Check whether the specified URL (string or parsed URL object) has an origin that is allowed\n   * based on a list of whitelisted-origin URLs. The current location's origin is implicitly\n   * trusted.\n   *\n   * @param {string|Object} requestUrl - The URL to be checked (provided as a string that will be\n   *     resolved or a parsed URL object).\n   *\n   * @returns {boolean} - Whether the specified URL is of an allowed origin.\n   */\n  return function urlIsAllowedOrigin(requestUrl) {\n    var parsedUrl = urlResolve(requestUrl);\n    return parsedAllowedOriginUrls.some(urlsAreSameOrigin.bind(null, parsedUrl));\n  };\n}\n\n/**\n * Determine if two URLs share the same origin.\n *\n * @param {string|Object} url1 - First URL to compare as a string or a normalized URL in the form of\n *     a dictionary object returned by `urlResolve()`.\n * @param {string|object} url2 - Second URL to compare as a string or a normalized URL in the form\n *     of a dictionary object returned by `urlResolve()`.\n *\n * @returns {boolean} - True if both URLs have the same origin, and false otherwise.\n */\nfunction urlsAreSameOrigin(url1, url2) {\n  url1 = urlResolve(url1);\n  url2 = urlResolve(url2);\n\n  return (url1.protocol === url2.protocol &&\n          url1.host === url2.host);\n}\n\n/**\n * Returns the current document base URL.\n * @returns {string}\n */\nfunction getBaseUrl() {\n  if (window.document.baseURI) {\n    return window.document.baseURI;\n  }\n\n  // `document.baseURI` is available everywhere except IE\n  if (!baseUrlParsingNode) {\n    baseUrlParsingNode = window.document.createElement('a');\n    baseUrlParsingNode.href = '.';\n\n    // Work-around for IE bug described in Implementation Notes. The fix in `urlResolve()` is not\n    // suitable here because we need to track changes to the base URL.\n    baseUrlParsingNode = baseUrlParsingNode.cloneNode(false);\n  }\n  return baseUrlParsingNode.href;\n}\n\n/**\n * @ngdoc service\n * @name $window\n * @this\n *\n * @description\n * A reference to the browser's `window` object. While `window`\n * is globally available in JavaScript, it causes testability problems, because\n * it is a global variable. In AngularJS we always refer to it through the\n * `$window` service, so it may be overridden, removed or mocked for testing.\n *\n * Expressions, like the one defined for the `ngClick` directive in the example\n * below, are evaluated with respect to the current scope.  Therefore, there is\n * no risk of inadvertently coding in a dependency on a global value in such an\n * expression.\n *\n * @example\n   <example module=\"windowExample\" name=\"window-service\">\n     <file name=\"index.html\">\n       <script>\n         angular.module('windowExample', [])\n           .controller('ExampleController', ['$scope', '$window', function($scope, $window) {\n             $scope.greeting = 'Hello, World!';\n             $scope.doGreeting = function(greeting) {\n               $window.alert(greeting);\n             };\n           }]);\n       </script>\n       <div ng-controller=\"ExampleController\">\n         <input type=\"text\" ng-model=\"greeting\" aria-label=\"greeting\" />\n         <button ng-click=\"doGreeting(greeting)\">ALERT</button>\n       </div>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n      it('should display the greeting in the input box', function() {\n       element(by.model('greeting')).sendKeys('Hello, E2E Tests');\n       // If we click the button it will block the test runner\n       // element(':button').click();\n      });\n     </file>\n   </example>\n */\nfunction $WindowProvider() {\n  this.$get = valueFn(window);\n}\n\n/**\n * @name $$cookieReader\n * @requires $document\n *\n * @description\n * This is a private service for reading cookies used by $http and ngCookies\n *\n * @return {Object} a key/value map of the current cookies\n */\nfunction $$CookieReader($document) {\n  var rawDocument = $document[0] || {};\n  var lastCookies = {};\n  var lastCookieString = '';\n\n  function safeGetCookie(rawDocument) {\n    try {\n      return rawDocument.cookie || '';\n    } catch (e) {\n      return '';\n    }\n  }\n\n  function safeDecodeURIComponent(str) {\n    try {\n      return decodeURIComponent(str);\n    } catch (e) {\n      return str;\n    }\n  }\n\n  return function() {\n    var cookieArray, cookie, i, index, name;\n    var currentCookieString = safeGetCookie(rawDocument);\n\n    if (currentCookieString !== lastCookieString) {\n      lastCookieString = currentCookieString;\n      cookieArray = lastCookieString.split('; ');\n      lastCookies = {};\n\n      for (i = 0; i < cookieArray.length; i++) {\n        cookie = cookieArray[i];\n        index = cookie.indexOf('=');\n        if (index > 0) { //ignore nameless cookies\n          name = safeDecodeURIComponent(cookie.substring(0, index));\n          // the first value that is seen for a cookie is the most\n          // specific one.  values for the same cookie name that\n          // follow are for less specific paths.\n          if (isUndefined(lastCookies[name])) {\n            lastCookies[name] = safeDecodeURIComponent(cookie.substring(index + 1));\n          }\n        }\n      }\n    }\n    return lastCookies;\n  };\n}\n\n$$CookieReader.$inject = ['$document'];\n\n/** @this */\nfunction $$CookieReaderProvider() {\n  this.$get = $$CookieReader;\n}\n\n/* global currencyFilter: true,\n dateFilter: true,\n filterFilter: true,\n jsonFilter: true,\n limitToFilter: true,\n lowercaseFilter: true,\n numberFilter: true,\n orderByFilter: true,\n uppercaseFilter: true,\n */\n\n/**\n * @ngdoc provider\n * @name $filterProvider\n * @description\n *\n * Filters are just functions which transform input to an output. However filters need to be\n * Dependency Injected. To achieve this a filter definition consists of a factory function which is\n * annotated with dependencies and is responsible for creating a filter function.\n *\n * <div class=\"alert alert-warning\">\n * **Note:** Filter names must be valid AngularJS {@link expression} identifiers, such as `uppercase` or `orderBy`.\n * Names with special characters, such as hyphens and dots, are not allowed. If you wish to namespace\n * your filters, then you can use capitalization (`myappSubsectionFilterx`) or underscores\n * (`myapp_subsection_filterx`).\n * </div>\n *\n * ```js\n *   // Filter registration\n *   function MyModule($provide, $filterProvider) {\n *     // create a service to demonstrate injection (not always needed)\n *     $provide.value('greet', function(name){\n *       return 'Hello ' + name + '!';\n *     });\n *\n *     // register a filter factory which uses the\n *     // greet service to demonstrate DI.\n *     $filterProvider.register('greet', function(greet){\n *       // return the filter function which uses the greet service\n *       // to generate salutation\n *       return function(text) {\n *         // filters need to be forgiving so check input validity\n *         return text && greet(text) || text;\n *       };\n *     });\n *   }\n * ```\n *\n * The filter function is registered with the `$injector` under the filter name suffix with\n * `Filter`.\n *\n * ```js\n *   it('should be the same instance', inject(\n *     function($filterProvider) {\n *       $filterProvider.register('reverse', function(){\n *         return ...;\n *       });\n *     },\n *     function($filter, reverseFilter) {\n *       expect($filter('reverse')).toBe(reverseFilter);\n *     });\n * ```\n *\n *\n * For more information about how AngularJS filters work, and how to create your own filters, see\n * {@link guide/filter Filters} in the AngularJS Developer Guide.\n */\n\n/**\n * @ngdoc service\n * @name $filter\n * @kind function\n * @description\n * Filters are used for formatting data displayed to the user.\n *\n * They can be used in view templates, controllers or services. AngularJS comes\n * with a collection of [built-in filters](api/ng/filter), but it is easy to\n * define your own as well.\n *\n * The general syntax in templates is as follows:\n *\n * ```html\n * {{ expression [| filter_name[:parameter_value] ... ] }}\n * ```\n *\n * @param {String} name Name of the filter function to retrieve\n * @return {Function} the filter function\n * @example\n   <example name=\"$filter\" module=\"filterExample\">\n     <file name=\"index.html\">\n       <div ng-controller=\"MainCtrl\">\n        <h3>{{ originalText }}</h3>\n        <h3>{{ filteredText }}</h3>\n       </div>\n     </file>\n\n     <file name=\"script.js\">\n      angular.module('filterExample', [])\n      .controller('MainCtrl', function($scope, $filter) {\n        $scope.originalText = 'hello';\n        $scope.filteredText = $filter('uppercase')($scope.originalText);\n      });\n     </file>\n   </example>\n  */\n$FilterProvider.$inject = ['$provide'];\n/** @this */\nfunction $FilterProvider($provide) {\n  var suffix = 'Filter';\n\n  /**\n   * @ngdoc method\n   * @name $filterProvider#register\n   * @param {string|Object} name Name of the filter function, or an object map of filters where\n   *    the keys are the filter names and the values are the filter factories.\n   *\n   *    <div class=\"alert alert-warning\">\n   *    **Note:** Filter names must be valid AngularJS {@link expression} identifiers, such as `uppercase` or `orderBy`.\n   *    Names with special characters, such as hyphens and dots, are not allowed. If you wish to namespace\n   *    your filters, then you can use capitalization (`myappSubsectionFilterx`) or underscores\n   *    (`myapp_subsection_filterx`).\n   *    </div>\n    * @param {Function} factory If the first argument was a string, a factory function for the filter to be registered.\n   * @returns {Object} Registered filter instance, or if a map of filters was provided then a map\n   *    of the registered filter instances.\n   */\n  function register(name, factory) {\n    if (isObject(name)) {\n      var filters = {};\n      forEach(name, function(filter, key) {\n        filters[key] = register(key, filter);\n      });\n      return filters;\n    } else {\n      return $provide.factory(name + suffix, factory);\n    }\n  }\n  this.register = register;\n\n  this.$get = ['$injector', function($injector) {\n    return function(name) {\n      return $injector.get(name + suffix);\n    };\n  }];\n\n  ////////////////////////////////////////\n\n  /* global\n    currencyFilter: false,\n    dateFilter: false,\n    filterFilter: false,\n    jsonFilter: false,\n    limitToFilter: false,\n    lowercaseFilter: false,\n    numberFilter: false,\n    orderByFilter: false,\n    uppercaseFilter: false\n  */\n\n  register('currency', currencyFilter);\n  register('date', dateFilter);\n  register('filter', filterFilter);\n  register('json', jsonFilter);\n  register('limitTo', limitToFilter);\n  register('lowercase', lowercaseFilter);\n  register('number', numberFilter);\n  register('orderBy', orderByFilter);\n  register('uppercase', uppercaseFilter);\n}\n\n/**\n * @ngdoc filter\n * @name filter\n * @kind function\n *\n * @description\n * Selects a subset of items from `array` and returns it as a new array.\n *\n * @param {Array} array The source array.\n * <div class=\"alert alert-info\">\n *   **Note**: If the array contains objects that reference themselves, filtering is not possible.\n * </div>\n * @param {string|Object|function()} expression The predicate to be used for selecting items from\n *   `array`.\n *\n *   Can be one of:\n *\n *   - `string`: The string is used for matching against the contents of the `array`. All strings or\n *     objects with string properties in `array` that match this string will be returned. This also\n *     applies to nested object properties.\n *     The predicate can be negated by prefixing the string with `!`.\n *\n *   - `Object`: A pattern object can be used to filter specific properties on objects contained\n *     by `array`. For example `{name:\"M\", phone:\"1\"}` predicate will return an array of items\n *     which have property `name` containing \"M\" and property `phone` containing \"1\". A special\n *     property name (`$` by default) can be used (e.g. as in `{$: \"text\"}`) to accept a match\n *     against any property of the object or its nested object properties. That's equivalent to the\n *     simple substring match with a `string` as described above. The special property name can be\n *     overwritten, using the `anyPropertyKey` parameter.\n *     The predicate can be negated by prefixing the string with `!`.\n *     For example `{name: \"!M\"}` predicate will return an array of items which have property `name`\n *     not containing \"M\".\n *\n *     Note that a named property will match properties on the same level only, while the special\n *     `$` property will match properties on the same level or deeper. E.g. an array item like\n *     `{name: {first: 'John', last: 'Doe'}}` will **not** be matched by `{name: 'John'}`, but\n *     **will** be matched by `{$: 'John'}`.\n *\n *   - `function(value, index, array)`: A predicate function can be used to write arbitrary filters.\n *     The function is called for each element of the array, with the element, its index, and\n *     the entire array itself as arguments.\n *\n *     The final result is an array of those elements that the predicate returned true for.\n *\n * @param {function(actual, expected)|true|false} [comparator] Comparator which is used in\n *     determining if values retrieved using `expression` (when it is not a function) should be\n *     considered a match based on the expected value (from the filter expression) and actual\n *     value (from the object in the array).\n *\n *   Can be one of:\n *\n *   - `function(actual, expected)`:\n *     The function will be given the object value and the predicate value to compare and\n *     should return true if both values should be considered equal.\n *\n *   - `true`: A shorthand for `function(actual, expected) { return angular.equals(actual, expected)}`.\n *     This is essentially strict comparison of expected and actual.\n *\n *   - `false`: A short hand for a function which will look for a substring match in a case\n *     insensitive way. Primitive values are converted to strings. Objects are not compared against\n *     primitives, unless they have a custom `toString` method (e.g. `Date` objects).\n *\n *\n *   Defaults to `false`.\n *\n * @param {string} [anyPropertyKey] The special property name that matches against any property.\n *     By default `$`.\n *\n * @example\n   <example name=\"filter-filter\">\n     <file name=\"index.html\">\n       <div ng-init=\"friends = [{name:'John', phone:'555-1276'},\n                                {name:'Mary', phone:'800-BIG-MARY'},\n                                {name:'Mike', phone:'555-4321'},\n                                {name:'Adam', phone:'555-5678'},\n                                {name:'Julie', phone:'555-8765'},\n                                {name:'Juliette', phone:'555-5678'}]\"></div>\n\n       <label>Search: <input ng-model=\"searchText\"></label>\n       <table id=\"searchTextResults\">\n         <tr><th>Name</th><th>Phone</th></tr>\n         <tr ng-repeat=\"friend in friends | filter:searchText\">\n           <td>{{friend.name}}</td>\n           <td>{{friend.phone}}</td>\n         </tr>\n       </table>\n       <hr>\n       <label>Any: <input ng-model=\"search.$\"></label> <br>\n       <label>Name only <input ng-model=\"search.name\"></label><br>\n       <label>Phone only <input ng-model=\"search.phone\"></label><br>\n       <label>Equality <input type=\"checkbox\" ng-model=\"strict\"></label><br>\n       <table id=\"searchObjResults\">\n         <tr><th>Name</th><th>Phone</th></tr>\n         <tr ng-repeat=\"friendObj in friends | filter:search:strict\">\n           <td>{{friendObj.name}}</td>\n           <td>{{friendObj.phone}}</td>\n         </tr>\n       </table>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       var expectFriendNames = function(expectedNames, key) {\n         element.all(by.repeater(key + ' in friends').column(key + '.name')).then(function(arr) {\n           arr.forEach(function(wd, i) {\n             expect(wd.getText()).toMatch(expectedNames[i]);\n           });\n         });\n       };\n\n       it('should search across all fields when filtering with a string', function() {\n         var searchText = element(by.model('searchText'));\n         searchText.clear();\n         searchText.sendKeys('m');\n         expectFriendNames(['Mary', 'Mike', 'Adam'], 'friend');\n\n         searchText.clear();\n         searchText.sendKeys('76');\n         expectFriendNames(['John', 'Julie'], 'friend');\n       });\n\n       it('should search in specific fields when filtering with a predicate object', function() {\n         var searchAny = element(by.model('search.$'));\n         searchAny.clear();\n         searchAny.sendKeys('i');\n         expectFriendNames(['Mary', 'Mike', 'Julie', 'Juliette'], 'friendObj');\n       });\n       it('should use a equal comparison when comparator is true', function() {\n         var searchName = element(by.model('search.name'));\n         var strict = element(by.model('strict'));\n         searchName.clear();\n         searchName.sendKeys('Julie');\n         strict.click();\n         expectFriendNames(['Julie'], 'friendObj');\n       });\n     </file>\n   </example>\n */\n\nfunction filterFilter() {\n  return function(array, expression, comparator, anyPropertyKey) {\n    if (!isArrayLike(array)) {\n      if (array == null) {\n        return array;\n      } else {\n        throw minErr('filter')('notarray', 'Expected array but received: {0}', array);\n      }\n    }\n\n    anyPropertyKey = anyPropertyKey || '$';\n    var expressionType = getTypeForFilter(expression);\n    var predicateFn;\n    var matchAgainstAnyProp;\n\n    switch (expressionType) {\n      case 'function':\n        predicateFn = expression;\n        break;\n      case 'boolean':\n      case 'null':\n      case 'number':\n      case 'string':\n        matchAgainstAnyProp = true;\n        // falls through\n      case 'object':\n        predicateFn = createPredicateFn(expression, comparator, anyPropertyKey, matchAgainstAnyProp);\n        break;\n      default:\n        return array;\n    }\n\n    return Array.prototype.filter.call(array, predicateFn);\n  };\n}\n\n// Helper functions for `filterFilter`\nfunction createPredicateFn(expression, comparator, anyPropertyKey, matchAgainstAnyProp) {\n  var shouldMatchPrimitives = isObject(expression) && (anyPropertyKey in expression);\n  var predicateFn;\n\n  if (comparator === true) {\n    comparator = equals;\n  } else if (!isFunction(comparator)) {\n    comparator = function(actual, expected) {\n      if (isUndefined(actual)) {\n        // No substring matching against `undefined`\n        return false;\n      }\n      if ((actual === null) || (expected === null)) {\n        // No substring matching against `null`; only match against `null`\n        return actual === expected;\n      }\n      if (isObject(expected) || (isObject(actual) && !hasCustomToString(actual))) {\n        // Should not compare primitives against objects, unless they have custom `toString` method\n        return false;\n      }\n\n      actual = lowercase('' + actual);\n      expected = lowercase('' + expected);\n      return actual.indexOf(expected) !== -1;\n    };\n  }\n\n  predicateFn = function(item) {\n    if (shouldMatchPrimitives && !isObject(item)) {\n      return deepCompare(item, expression[anyPropertyKey], comparator, anyPropertyKey, false);\n    }\n    return deepCompare(item, expression, comparator, anyPropertyKey, matchAgainstAnyProp);\n  };\n\n  return predicateFn;\n}\n\nfunction deepCompare(actual, expected, comparator, anyPropertyKey, matchAgainstAnyProp, dontMatchWholeObject) {\n  var actualType = getTypeForFilter(actual);\n  var expectedType = getTypeForFilter(expected);\n\n  if ((expectedType === 'string') && (expected.charAt(0) === '!')) {\n    return !deepCompare(actual, expected.substring(1), comparator, anyPropertyKey, matchAgainstAnyProp);\n  } else if (isArray(actual)) {\n    // In case `actual` is an array, consider it a match\n    // if ANY of it's items matches `expected`\n    return actual.some(function(item) {\n      return deepCompare(item, expected, comparator, anyPropertyKey, matchAgainstAnyProp);\n    });\n  }\n\n  switch (actualType) {\n    case 'object':\n      var key;\n      if (matchAgainstAnyProp) {\n        for (key in actual) {\n          // Under certain, rare, circumstances, key may not be a string and `charAt` will be undefined\n          // See: https://github.com/angular/angular.js/issues/15644\n          if (key.charAt && (key.charAt(0) !== '$') &&\n              deepCompare(actual[key], expected, comparator, anyPropertyKey, true)) {\n            return true;\n          }\n        }\n        return dontMatchWholeObject ? false : deepCompare(actual, expected, comparator, anyPropertyKey, false);\n      } else if (expectedType === 'object') {\n        for (key in expected) {\n          var expectedVal = expected[key];\n          if (isFunction(expectedVal) || isUndefined(expectedVal)) {\n            continue;\n          }\n\n          var matchAnyProperty = key === anyPropertyKey;\n          var actualVal = matchAnyProperty ? actual : actual[key];\n          if (!deepCompare(actualVal, expectedVal, comparator, anyPropertyKey, matchAnyProperty, matchAnyProperty)) {\n            return false;\n          }\n        }\n        return true;\n      } else {\n        return comparator(actual, expected);\n      }\n    case 'function':\n      return false;\n    default:\n      return comparator(actual, expected);\n  }\n}\n\n// Used for easily differentiating between `null` and actual `object`\nfunction getTypeForFilter(val) {\n  return (val === null) ? 'null' : typeof val;\n}\n\nvar MAX_DIGITS = 22;\nvar DECIMAL_SEP = '.';\nvar ZERO_CHAR = '0';\n\n/**\n * @ngdoc filter\n * @name currency\n * @kind function\n *\n * @description\n * Formats a number as a currency (ie $1,234.56). When no currency symbol is provided, default\n * symbol for current locale is used.\n *\n * @param {number} amount Input to filter.\n * @param {string=} symbol Currency symbol or identifier to be displayed.\n * @param {number=} fractionSize Number of decimal places to round the amount to, defaults to default max fraction size for current locale\n * @returns {string} Formatted number.\n *\n *\n * @example\n   <example module=\"currencyExample\" name=\"currency-filter\">\n     <file name=\"index.html\">\n       <script>\n         angular.module('currencyExample', [])\n           .controller('ExampleController', ['$scope', function($scope) {\n             $scope.amount = 1234.56;\n           }]);\n       </script>\n       <div ng-controller=\"ExampleController\">\n         <input type=\"number\" ng-model=\"amount\" aria-label=\"amount\"> <br>\n         default currency symbol ($): <span id=\"currency-default\">{{amount | currency}}</span><br>\n         custom currency identifier (USD$): <span id=\"currency-custom\">{{amount | currency:\"USD$\"}}</span><br>\n         no fractions (0): <span id=\"currency-no-fractions\">{{amount | currency:\"USD$\":0}}</span>\n       </div>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should init with 1234.56', function() {\n         expect(element(by.id('currency-default')).getText()).toBe('$1,234.56');\n         expect(element(by.id('currency-custom')).getText()).toBe('USD$1,234.56');\n         expect(element(by.id('currency-no-fractions')).getText()).toBe('USD$1,235');\n       });\n       it('should update', function() {\n         if (browser.params.browser === 'safari') {\n           // Safari does not understand the minus key. See\n           // https://github.com/angular/protractor/issues/481\n           return;\n         }\n         element(by.model('amount')).clear();\n         element(by.model('amount')).sendKeys('-1234');\n         expect(element(by.id('currency-default')).getText()).toBe('-$1,234.00');\n         expect(element(by.id('currency-custom')).getText()).toBe('-USD$1,234.00');\n         expect(element(by.id('currency-no-fractions')).getText()).toBe('-USD$1,234');\n       });\n     </file>\n   </example>\n */\ncurrencyFilter.$inject = ['$locale'];\nfunction currencyFilter($locale) {\n  var formats = $locale.NUMBER_FORMATS;\n  return function(amount, currencySymbol, fractionSize) {\n    if (isUndefined(currencySymbol)) {\n      currencySymbol = formats.CURRENCY_SYM;\n    }\n\n    if (isUndefined(fractionSize)) {\n      fractionSize = formats.PATTERNS[1].maxFrac;\n    }\n\n    // If the currency symbol is empty, trim whitespace around the symbol\n    var currencySymbolRe = !currencySymbol ? /\\s*\\u00A4\\s*/g : /\\u00A4/g;\n\n    // if null or undefined pass it through\n    return (amount == null)\n        ? amount\n        : formatNumber(amount, formats.PATTERNS[1], formats.GROUP_SEP, formats.DECIMAL_SEP, fractionSize).\n            replace(currencySymbolRe, currencySymbol);\n  };\n}\n\n/**\n * @ngdoc filter\n * @name number\n * @kind function\n *\n * @description\n * Formats a number as text.\n *\n * If the input is null or undefined, it will just be returned.\n * If the input is infinite (Infinity or -Infinity), the Infinity symbol '∞' or '-∞' is returned, respectively.\n * If the input is not a number an empty string is returned.\n *\n *\n * @param {number|string} number Number to format.\n * @param {(number|string)=} fractionSize Number of decimal places to round the number to.\n * If this is not provided then the fraction size is computed from the current locale's number\n * formatting pattern. In the case of the default locale, it will be 3.\n * @returns {string} Number rounded to `fractionSize` appropriately formatted based on the current\n *                   locale (e.g., in the en_US locale it will have \".\" as the decimal separator and\n *                   include \",\" group separators after each third digit).\n *\n * @example\n   <example module=\"numberFilterExample\" name=\"number-filter\">\n     <file name=\"index.html\">\n       <script>\n         angular.module('numberFilterExample', [])\n           .controller('ExampleController', ['$scope', function($scope) {\n             $scope.val = 1234.56789;\n           }]);\n       </script>\n       <div ng-controller=\"ExampleController\">\n         <label>Enter number: <input ng-model='val'></label><br>\n         Default formatting: <span id='number-default'>{{val | number}}</span><br>\n         No fractions: <span>{{val | number:0}}</span><br>\n         Negative number: <span>{{-val | number:4}}</span>\n       </div>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should format numbers', function() {\n         expect(element(by.id('number-default')).getText()).toBe('1,234.568');\n         expect(element(by.binding('val | number:0')).getText()).toBe('1,235');\n         expect(element(by.binding('-val | number:4')).getText()).toBe('-1,234.5679');\n       });\n\n       it('should update', function() {\n         element(by.model('val')).clear();\n         element(by.model('val')).sendKeys('3374.333');\n         expect(element(by.id('number-default')).getText()).toBe('3,374.333');\n         expect(element(by.binding('val | number:0')).getText()).toBe('3,374');\n         expect(element(by.binding('-val | number:4')).getText()).toBe('-3,374.3330');\n      });\n     </file>\n   </example>\n */\nnumberFilter.$inject = ['$locale'];\nfunction numberFilter($locale) {\n  var formats = $locale.NUMBER_FORMATS;\n  return function(number, fractionSize) {\n\n    // if null or undefined pass it through\n    return (number == null)\n        ? number\n        : formatNumber(number, formats.PATTERNS[0], formats.GROUP_SEP, formats.DECIMAL_SEP,\n                       fractionSize);\n  };\n}\n\n/**\n * Parse a number (as a string) into three components that can be used\n * for formatting the number.\n *\n * (Significant bits of this parse algorithm came from https://github.com/MikeMcl/big.js/)\n *\n * @param  {string} numStr The number to parse\n * @return {object} An object describing this number, containing the following keys:\n *  - d : an array of digits containing leading zeros as necessary\n *  - i : the number of the digits in `d` that are to the left of the decimal point\n *  - e : the exponent for numbers that would need more than `MAX_DIGITS` digits in `d`\n *\n */\nfunction parse(numStr) {\n  var exponent = 0, digits, numberOfIntegerDigits;\n  var i, j, zeros;\n\n  // Decimal point?\n  if ((numberOfIntegerDigits = numStr.indexOf(DECIMAL_SEP)) > -1) {\n    numStr = numStr.replace(DECIMAL_SEP, '');\n  }\n\n  // Exponential form?\n  if ((i = numStr.search(/e/i)) > 0) {\n    // Work out the exponent.\n    if (numberOfIntegerDigits < 0) numberOfIntegerDigits = i;\n    numberOfIntegerDigits += +numStr.slice(i + 1);\n    numStr = numStr.substring(0, i);\n  } else if (numberOfIntegerDigits < 0) {\n    // There was no decimal point or exponent so it is an integer.\n    numberOfIntegerDigits = numStr.length;\n  }\n\n  // Count the number of leading zeros.\n  for (i = 0; numStr.charAt(i) === ZERO_CHAR; i++) { /* empty */ }\n\n  if (i === (zeros = numStr.length)) {\n    // The digits are all zero.\n    digits = [0];\n    numberOfIntegerDigits = 1;\n  } else {\n    // Count the number of trailing zeros\n    zeros--;\n    while (numStr.charAt(zeros) === ZERO_CHAR) zeros--;\n\n    // Trailing zeros are insignificant so ignore them\n    numberOfIntegerDigits -= i;\n    digits = [];\n    // Convert string to array of digits without leading/trailing zeros.\n    for (j = 0; i <= zeros; i++, j++) {\n      digits[j] = +numStr.charAt(i);\n    }\n  }\n\n  // If the number overflows the maximum allowed digits then use an exponent.\n  if (numberOfIntegerDigits > MAX_DIGITS) {\n    digits = digits.splice(0, MAX_DIGITS - 1);\n    exponent = numberOfIntegerDigits - 1;\n    numberOfIntegerDigits = 1;\n  }\n\n  return { d: digits, e: exponent, i: numberOfIntegerDigits };\n}\n\n/**\n * Round the parsed number to the specified number of decimal places\n * This function changed the parsedNumber in-place\n */\nfunction roundNumber(parsedNumber, fractionSize, minFrac, maxFrac) {\n    var digits = parsedNumber.d;\n    var fractionLen = digits.length - parsedNumber.i;\n\n    // determine fractionSize if it is not specified; `+fractionSize` converts it to a number\n    fractionSize = (isUndefined(fractionSize)) ? Math.min(Math.max(minFrac, fractionLen), maxFrac) : +fractionSize;\n\n    // The index of the digit to where rounding is to occur\n    var roundAt = fractionSize + parsedNumber.i;\n    var digit = digits[roundAt];\n\n    if (roundAt > 0) {\n      // Drop fractional digits beyond `roundAt`\n      digits.splice(Math.max(parsedNumber.i, roundAt));\n\n      // Set non-fractional digits beyond `roundAt` to 0\n      for (var j = roundAt; j < digits.length; j++) {\n        digits[j] = 0;\n      }\n    } else {\n      // We rounded to zero so reset the parsedNumber\n      fractionLen = Math.max(0, fractionLen);\n      parsedNumber.i = 1;\n      digits.length = Math.max(1, roundAt = fractionSize + 1);\n      digits[0] = 0;\n      for (var i = 1; i < roundAt; i++) digits[i] = 0;\n    }\n\n    if (digit >= 5) {\n      if (roundAt - 1 < 0) {\n        for (var k = 0; k > roundAt; k--) {\n          digits.unshift(0);\n          parsedNumber.i++;\n        }\n        digits.unshift(1);\n        parsedNumber.i++;\n      } else {\n        digits[roundAt - 1]++;\n      }\n    }\n\n    // Pad out with zeros to get the required fraction length\n    for (; fractionLen < Math.max(0, fractionSize); fractionLen++) digits.push(0);\n\n\n    // Do any carrying, e.g. a digit was rounded up to 10\n    var carry = digits.reduceRight(function(carry, d, i, digits) {\n      d = d + carry;\n      digits[i] = d % 10;\n      return Math.floor(d / 10);\n    }, 0);\n    if (carry) {\n      digits.unshift(carry);\n      parsedNumber.i++;\n    }\n}\n\n/**\n * Format a number into a string\n * @param  {number} number       The number to format\n * @param  {{\n *           minFrac, // the minimum number of digits required in the fraction part of the number\n *           maxFrac, // the maximum number of digits required in the fraction part of the number\n *           gSize,   // number of digits in each group of separated digits\n *           lgSize,  // number of digits in the last group of digits before the decimal separator\n *           negPre,  // the string to go in front of a negative number (e.g. `-` or `(`))\n *           posPre,  // the string to go in front of a positive number\n *           negSuf,  // the string to go after a negative number (e.g. `)`)\n *           posSuf   // the string to go after a positive number\n *         }} pattern\n * @param  {string} groupSep     The string to separate groups of number (e.g. `,`)\n * @param  {string} decimalSep   The string to act as the decimal separator (e.g. `.`)\n * @param  {[type]} fractionSize The size of the fractional part of the number\n * @return {string}              The number formatted as a string\n */\nfunction formatNumber(number, pattern, groupSep, decimalSep, fractionSize) {\n\n  if (!(isString(number) || isNumber(number)) || isNaN(number)) return '';\n\n  var isInfinity = !isFinite(number);\n  var isZero = false;\n  var numStr = Math.abs(number) + '',\n      formattedText = '',\n      parsedNumber;\n\n  if (isInfinity) {\n    formattedText = '\\u221e';\n  } else {\n    parsedNumber = parse(numStr);\n\n    roundNumber(parsedNumber, fractionSize, pattern.minFrac, pattern.maxFrac);\n\n    var digits = parsedNumber.d;\n    var integerLen = parsedNumber.i;\n    var exponent = parsedNumber.e;\n    var decimals = [];\n    isZero = digits.reduce(function(isZero, d) { return isZero && !d; }, true);\n\n    // pad zeros for small numbers\n    while (integerLen < 0) {\n      digits.unshift(0);\n      integerLen++;\n    }\n\n    // extract decimals digits\n    if (integerLen > 0) {\n      decimals = digits.splice(integerLen, digits.length);\n    } else {\n      decimals = digits;\n      digits = [0];\n    }\n\n    // format the integer digits with grouping separators\n    var groups = [];\n    if (digits.length >= pattern.lgSize) {\n      groups.unshift(digits.splice(-pattern.lgSize, digits.length).join(''));\n    }\n    while (digits.length > pattern.gSize) {\n      groups.unshift(digits.splice(-pattern.gSize, digits.length).join(''));\n    }\n    if (digits.length) {\n      groups.unshift(digits.join(''));\n    }\n    formattedText = groups.join(groupSep);\n\n    // append the decimal digits\n    if (decimals.length) {\n      formattedText += decimalSep + decimals.join('');\n    }\n\n    if (exponent) {\n      formattedText += 'e+' + exponent;\n    }\n  }\n  if (number < 0 && !isZero) {\n    return pattern.negPre + formattedText + pattern.negSuf;\n  } else {\n    return pattern.posPre + formattedText + pattern.posSuf;\n  }\n}\n\nfunction padNumber(num, digits, trim, negWrap) {\n  var neg = '';\n  if (num < 0 || (negWrap && num <= 0)) {\n    if (negWrap) {\n      num = -num + 1;\n    } else {\n      num = -num;\n      neg = '-';\n    }\n  }\n  num = '' + num;\n  while (num.length < digits) num = ZERO_CHAR + num;\n  if (trim) {\n    num = num.substr(num.length - digits);\n  }\n  return neg + num;\n}\n\n\nfunction dateGetter(name, size, offset, trim, negWrap) {\n  offset = offset || 0;\n  return function(date) {\n    var value = date['get' + name]();\n    if (offset > 0 || value > -offset) {\n      value += offset;\n    }\n    if (value === 0 && offset === -12) value = 12;\n    return padNumber(value, size, trim, negWrap);\n  };\n}\n\nfunction dateStrGetter(name, shortForm, standAlone) {\n  return function(date, formats) {\n    var value = date['get' + name]();\n    var propPrefix = (standAlone ? 'STANDALONE' : '') + (shortForm ? 'SHORT' : '');\n    var get = uppercase(propPrefix + name);\n\n    return formats[get][value];\n  };\n}\n\nfunction timeZoneGetter(date, formats, offset) {\n  var zone = -1 * offset;\n  var paddedZone = (zone >= 0) ? '+' : '';\n\n  paddedZone += padNumber(Math[zone > 0 ? 'floor' : 'ceil'](zone / 60), 2) +\n                padNumber(Math.abs(zone % 60), 2);\n\n  return paddedZone;\n}\n\nfunction getFirstThursdayOfYear(year) {\n    // 0 = index of January\n    var dayOfWeekOnFirst = (new Date(year, 0, 1)).getDay();\n    // 4 = index of Thursday (+1 to account for 1st = 5)\n    // 11 = index of *next* Thursday (+1 account for 1st = 12)\n    return new Date(year, 0, ((dayOfWeekOnFirst <= 4) ? 5 : 12) - dayOfWeekOnFirst);\n}\n\nfunction getThursdayThisWeek(datetime) {\n    return new Date(datetime.getFullYear(), datetime.getMonth(),\n      // 4 = index of Thursday\n      datetime.getDate() + (4 - datetime.getDay()));\n}\n\nfunction weekGetter(size) {\n   return function(date) {\n      var firstThurs = getFirstThursdayOfYear(date.getFullYear()),\n         thisThurs = getThursdayThisWeek(date);\n\n      var diff = +thisThurs - +firstThurs,\n         result = 1 + Math.round(diff / 6.048e8); // 6.048e8 ms per week\n\n      return padNumber(result, size);\n   };\n}\n\nfunction ampmGetter(date, formats) {\n  return date.getHours() < 12 ? formats.AMPMS[0] : formats.AMPMS[1];\n}\n\nfunction eraGetter(date, formats) {\n  return date.getFullYear() <= 0 ? formats.ERAS[0] : formats.ERAS[1];\n}\n\nfunction longEraGetter(date, formats) {\n  return date.getFullYear() <= 0 ? formats.ERANAMES[0] : formats.ERANAMES[1];\n}\n\nvar DATE_FORMATS = {\n  yyyy: dateGetter('FullYear', 4, 0, false, true),\n    yy: dateGetter('FullYear', 2, 0, true, true),\n     y: dateGetter('FullYear', 1, 0, false, true),\n  MMMM: dateStrGetter('Month'),\n   MMM: dateStrGetter('Month', true),\n    MM: dateGetter('Month', 2, 1),\n     M: dateGetter('Month', 1, 1),\n  LLLL: dateStrGetter('Month', false, true),\n    dd: dateGetter('Date', 2),\n     d: dateGetter('Date', 1),\n    HH: dateGetter('Hours', 2),\n     H: dateGetter('Hours', 1),\n    hh: dateGetter('Hours', 2, -12),\n     h: dateGetter('Hours', 1, -12),\n    mm: dateGetter('Minutes', 2),\n     m: dateGetter('Minutes', 1),\n    ss: dateGetter('Seconds', 2),\n     s: dateGetter('Seconds', 1),\n     // while ISO 8601 requires fractions to be prefixed with `.` or `,`\n     // we can be just safely rely on using `sss` since we currently don't support single or two digit fractions\n   sss: dateGetter('Milliseconds', 3),\n  EEEE: dateStrGetter('Day'),\n   EEE: dateStrGetter('Day', true),\n     a: ampmGetter,\n     Z: timeZoneGetter,\n    ww: weekGetter(2),\n     w: weekGetter(1),\n     G: eraGetter,\n     GG: eraGetter,\n     GGG: eraGetter,\n     GGGG: longEraGetter\n};\n\nvar DATE_FORMATS_SPLIT = /((?:[^yMLdHhmsaZEwG']+)|(?:'(?:[^']|'')*')|(?:E+|y+|M+|L+|d+|H+|h+|m+|s+|a|Z|G+|w+))([\\s\\S]*)/,\n    NUMBER_STRING = /^-?\\d+$/;\n\n/**\n * @ngdoc filter\n * @name date\n * @kind function\n *\n * @description\n *   Formats `date` to a string based on the requested `format`.\n *\n *   `format` string can be composed of the following elements:\n *\n *   * `'yyyy'`: 4 digit representation of year (e.g. AD 1 => 0001, AD 2010 => 2010)\n *   * `'yy'`: 2 digit representation of year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10)\n *   * `'y'`: 1 digit representation of year, e.g. (AD 1 => 1, AD 199 => 199)\n *   * `'MMMM'`: Month in year (January-December)\n *   * `'MMM'`: Month in year (Jan-Dec)\n *   * `'MM'`: Month in year, padded (01-12)\n *   * `'M'`: Month in year (1-12)\n *   * `'LLLL'`: Stand-alone month in year (January-December)\n *   * `'dd'`: Day in month, padded (01-31)\n *   * `'d'`: Day in month (1-31)\n *   * `'EEEE'`: Day in Week,(Sunday-Saturday)\n *   * `'EEE'`: Day in Week, (Sun-Sat)\n *   * `'HH'`: Hour in day, padded (00-23)\n *   * `'H'`: Hour in day (0-23)\n *   * `'hh'`: Hour in AM/PM, padded (01-12)\n *   * `'h'`: Hour in AM/PM, (1-12)\n *   * `'mm'`: Minute in hour, padded (00-59)\n *   * `'m'`: Minute in hour (0-59)\n *   * `'ss'`: Second in minute, padded (00-59)\n *   * `'s'`: Second in minute (0-59)\n *   * `'sss'`: Millisecond in second, padded (000-999)\n *   * `'a'`: AM/PM marker\n *   * `'Z'`: 4 digit (+sign) representation of the timezone offset (-1200-+1200)\n *   * `'ww'`: Week of year, padded (00-53). Week 01 is the week with the first Thursday of the year\n *   * `'w'`: Week of year (0-53). Week 1 is the week with the first Thursday of the year\n *   * `'G'`, `'GG'`, `'GGG'`: The abbreviated form of the era string (e.g. 'AD')\n *   * `'GGGG'`: The long form of the era string (e.g. 'Anno Domini')\n *\n *   `format` string can also be one of the following predefined\n *   {@link guide/i18n localizable formats}:\n *\n *   * `'medium'`: equivalent to `'MMM d, y h:mm:ss a'` for en_US locale\n *     (e.g. Sep 3, 2010 12:05:08 PM)\n *   * `'short'`: equivalent to `'M/d/yy h:mm a'` for en_US  locale (e.g. 9/3/10 12:05 PM)\n *   * `'fullDate'`: equivalent to `'EEEE, MMMM d, y'` for en_US  locale\n *     (e.g. Friday, September 3, 2010)\n *   * `'longDate'`: equivalent to `'MMMM d, y'` for en_US  locale (e.g. September 3, 2010)\n *   * `'mediumDate'`: equivalent to `'MMM d, y'` for en_US  locale (e.g. Sep 3, 2010)\n *   * `'shortDate'`: equivalent to `'M/d/yy'` for en_US locale (e.g. 9/3/10)\n *   * `'mediumTime'`: equivalent to `'h:mm:ss a'` for en_US locale (e.g. 12:05:08 PM)\n *   * `'shortTime'`: equivalent to `'h:mm a'` for en_US locale (e.g. 12:05 PM)\n *\n *   `format` string can contain literal values. These need to be escaped by surrounding with single quotes (e.g.\n *   `\"h 'in the morning'\"`). In order to output a single quote, escape it - i.e., two single quotes in a sequence\n *   (e.g. `\"h 'o''clock'\"`).\n *\n *   Any other characters in the `format` string will be output as-is.\n *\n * @param {(Date|number|string)} date Date to format either as Date object, milliseconds (string or\n *    number) or various ISO 8601 datetime string formats (e.g. yyyy-MM-ddTHH:mm:ss.sssZ and its\n *    shorter versions like yyyy-MM-ddTHH:mmZ, yyyy-MM-dd or yyyyMMddTHHmmssZ). If no timezone is\n *    specified in the string input, the time is considered to be in the local timezone.\n * @param {string=} format Formatting rules (see Description). If not specified,\n *    `mediumDate` is used.\n * @param {string=} timezone Timezone to be used for formatting. It understands UTC/GMT and the\n *    continental US time zone abbreviations, but for general use, use a time zone offset, for\n *    example, `'+0430'` (4 hours, 30 minutes east of the Greenwich meridian)\n *    If not specified, the timezone of the browser will be used.\n * @returns {string} Formatted string or the input if input is not recognized as date/millis.\n *\n * @example\n   <example name=\"filter-date\">\n     <file name=\"index.html\">\n       <span ng-non-bindable>{{1288323623006 | date:'medium'}}</span>:\n           <span>{{1288323623006 | date:'medium'}}</span><br>\n       <span ng-non-bindable>{{1288323623006 | date:'yyyy-MM-dd HH:mm:ss Z'}}</span>:\n          <span>{{1288323623006 | date:'yyyy-MM-dd HH:mm:ss Z'}}</span><br>\n       <span ng-non-bindable>{{1288323623006 | date:'MM/dd/yyyy @ h:mma'}}</span>:\n          <span>{{'1288323623006' | date:'MM/dd/yyyy @ h:mma'}}</span><br>\n       <span ng-non-bindable>{{1288323623006 | date:\"MM/dd/yyyy 'at' h:mma\"}}</span>:\n          <span>{{'1288323623006' | date:\"MM/dd/yyyy 'at' h:mma\"}}</span><br>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should format date', function() {\n         expect(element(by.binding(\"1288323623006 | date:'medium'\")).getText()).\n            toMatch(/Oct 2\\d, 2010 \\d{1,2}:\\d{2}:\\d{2} (AM|PM)/);\n         expect(element(by.binding(\"1288323623006 | date:'yyyy-MM-dd HH:mm:ss Z'\")).getText()).\n            toMatch(/2010-10-2\\d \\d{2}:\\d{2}:\\d{2} (-|\\+)?\\d{4}/);\n         expect(element(by.binding(\"'1288323623006' | date:'MM/dd/yyyy @ h:mma'\")).getText()).\n            toMatch(/10\\/2\\d\\/2010 @ \\d{1,2}:\\d{2}(AM|PM)/);\n         expect(element(by.binding(\"'1288323623006' | date:\\\"MM/dd/yyyy 'at' h:mma\\\"\")).getText()).\n            toMatch(/10\\/2\\d\\/2010 at \\d{1,2}:\\d{2}(AM|PM)/);\n       });\n     </file>\n   </example>\n */\ndateFilter.$inject = ['$locale'];\nfunction dateFilter($locale) {\n\n\n  var R_ISO8601_STR = /^(\\d{4})-?(\\d\\d)-?(\\d\\d)(?:T(\\d\\d)(?::?(\\d\\d)(?::?(\\d\\d)(?:\\.(\\d+))?)?)?(Z|([+-])(\\d\\d):?(\\d\\d))?)?$/;\n                     // 1        2       3         4          5          6          7          8  9     10      11\n  function jsonStringToDate(string) {\n    var match;\n    if ((match = string.match(R_ISO8601_STR))) {\n      var date = new Date(0),\n          tzHour = 0,\n          tzMin  = 0,\n          dateSetter = match[8] ? date.setUTCFullYear : date.setFullYear,\n          timeSetter = match[8] ? date.setUTCHours : date.setHours;\n\n      if (match[9]) {\n        tzHour = toInt(match[9] + match[10]);\n        tzMin = toInt(match[9] + match[11]);\n      }\n      dateSetter.call(date, toInt(match[1]), toInt(match[2]) - 1, toInt(match[3]));\n      var h = toInt(match[4] || 0) - tzHour;\n      var m = toInt(match[5] || 0) - tzMin;\n      var s = toInt(match[6] || 0);\n      var ms = Math.round(parseFloat('0.' + (match[7] || 0)) * 1000);\n      timeSetter.call(date, h, m, s, ms);\n      return date;\n    }\n    return string;\n  }\n\n\n  return function(date, format, timezone) {\n    var text = '',\n        parts = [],\n        fn, match;\n\n    format = format || 'mediumDate';\n    format = $locale.DATETIME_FORMATS[format] || format;\n    if (isString(date)) {\n      date = NUMBER_STRING.test(date) ? toInt(date) : jsonStringToDate(date);\n    }\n\n    if (isNumber(date)) {\n      date = new Date(date);\n    }\n\n    if (!isDate(date) || !isFinite(date.getTime())) {\n      return date;\n    }\n\n    while (format) {\n      match = DATE_FORMATS_SPLIT.exec(format);\n      if (match) {\n        parts = concat(parts, match, 1);\n        format = parts.pop();\n      } else {\n        parts.push(format);\n        format = null;\n      }\n    }\n\n    var dateTimezoneOffset = date.getTimezoneOffset();\n    if (timezone) {\n      dateTimezoneOffset = timezoneToOffset(timezone, dateTimezoneOffset);\n      date = convertTimezoneToLocal(date, timezone, true);\n    }\n    forEach(parts, function(value) {\n      fn = DATE_FORMATS[value];\n      text += fn ? fn(date, $locale.DATETIME_FORMATS, dateTimezoneOffset)\n                 : value === '\\'\\'' ? '\\'' : value.replace(/(^'|'$)/g, '').replace(/''/g, '\\'');\n    });\n\n    return text;\n  };\n}\n\n\n/**\n * @ngdoc filter\n * @name json\n * @kind function\n *\n * @description\n *   Allows you to convert a JavaScript object into JSON string.\n *\n *   This filter is mostly useful for debugging. When using the double curly {{value}} notation\n *   the binding is automatically converted to JSON.\n *\n * @param {*} object Any JavaScript object (including arrays and primitive types) to filter.\n * @param {number=} spacing The number of spaces to use per indentation, defaults to 2.\n * @returns {string} JSON string.\n *\n *\n * @example\n   <example name=\"filter-json\">\n     <file name=\"index.html\">\n       <pre id=\"default-spacing\">{{ {'name':'value'} | json }}</pre>\n       <pre id=\"custom-spacing\">{{ {'name':'value'} | json:4 }}</pre>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should jsonify filtered objects', function() {\n         expect(element(by.id('default-spacing')).getText()).toMatch(/\\{\\n {2}\"name\": ?\"value\"\\n}/);\n         expect(element(by.id('custom-spacing')).getText()).toMatch(/\\{\\n {4}\"name\": ?\"value\"\\n}/);\n       });\n     </file>\n   </example>\n *\n */\nfunction jsonFilter() {\n  return function(object, spacing) {\n    if (isUndefined(spacing)) {\n        spacing = 2;\n    }\n    return toJson(object, spacing);\n  };\n}\n\n\n/**\n * @ngdoc filter\n * @name lowercase\n * @kind function\n * @description\n * Converts string to lowercase.\n *\n * See the {@link ng.uppercase uppercase filter documentation} for a functionally identical example.\n *\n * @see angular.lowercase\n */\nvar lowercaseFilter = valueFn(lowercase);\n\n\n/**\n * @ngdoc filter\n * @name uppercase\n * @kind function\n * @description\n * Converts string to uppercase.\n * @example\n   <example module=\"uppercaseFilterExample\" name=\"filter-uppercase\">\n     <file name=\"index.html\">\n       <script>\n         angular.module('uppercaseFilterExample', [])\n           .controller('ExampleController', ['$scope', function($scope) {\n             $scope.title = 'This is a title';\n           }]);\n       </script>\n       <div ng-controller=\"ExampleController\">\n         <!-- This title should be formatted normally -->\n         <h1>{{title}}</h1>\n         <!-- This title should be capitalized -->\n         <h1>{{title | uppercase}}</h1>\n       </div>\n     </file>\n   </example>\n */\nvar uppercaseFilter = valueFn(uppercase);\n\n/**\n * @ngdoc filter\n * @name limitTo\n * @kind function\n *\n * @description\n * Creates a new array or string containing only a specified number of elements. The elements are\n * taken from either the beginning or the end of the source array, string or number, as specified by\n * the value and sign (positive or negative) of `limit`. Other array-like objects are also supported\n * (e.g. array subclasses, NodeLists, jqLite/jQuery collections etc). If a number is used as input,\n * it is converted to a string.\n *\n * @param {Array|ArrayLike|string|number} input - Array/array-like, string or number to be limited.\n * @param {string|number} limit - The length of the returned array or string. If the `limit` number\n *     is positive, `limit` number of items from the beginning of the source array/string are copied.\n *     If the number is negative, `limit` number  of items from the end of the source array/string\n *     are copied. The `limit` will be trimmed if it exceeds `array.length`. If `limit` is undefined,\n *     the input will be returned unchanged.\n * @param {(string|number)=} begin - Index at which to begin limitation. As a negative index,\n *     `begin` indicates an offset from the end of `input`. Defaults to `0`.\n * @returns {Array|string} A new sub-array or substring of length `limit` or less if the input had\n *     less than `limit` elements.\n *\n * @example\n   <example module=\"limitToExample\" name=\"limit-to-filter\">\n     <file name=\"index.html\">\n       <script>\n         angular.module('limitToExample', [])\n           .controller('ExampleController', ['$scope', function($scope) {\n             $scope.numbers = [1,2,3,4,5,6,7,8,9];\n             $scope.letters = \"abcdefghi\";\n             $scope.longNumber = 2345432342;\n             $scope.numLimit = 3;\n             $scope.letterLimit = 3;\n             $scope.longNumberLimit = 3;\n           }]);\n       </script>\n       <div ng-controller=\"ExampleController\">\n         <label>\n            Limit {{numbers}} to:\n            <input type=\"number\" step=\"1\" ng-model=\"numLimit\">\n         </label>\n         <p>Output numbers: {{ numbers | limitTo:numLimit }}</p>\n         <label>\n            Limit {{letters}} to:\n            <input type=\"number\" step=\"1\" ng-model=\"letterLimit\">\n         </label>\n         <p>Output letters: {{ letters | limitTo:letterLimit }}</p>\n         <label>\n            Limit {{longNumber}} to:\n            <input type=\"number\" step=\"1\" ng-model=\"longNumberLimit\">\n         </label>\n         <p>Output long number: {{ longNumber | limitTo:longNumberLimit }}</p>\n       </div>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       var numLimitInput = element(by.model('numLimit'));\n       var letterLimitInput = element(by.model('letterLimit'));\n       var longNumberLimitInput = element(by.model('longNumberLimit'));\n       var limitedNumbers = element(by.binding('numbers | limitTo:numLimit'));\n       var limitedLetters = element(by.binding('letters | limitTo:letterLimit'));\n       var limitedLongNumber = element(by.binding('longNumber | limitTo:longNumberLimit'));\n\n       it('should limit the number array to first three items', function() {\n         expect(numLimitInput.getAttribute('value')).toBe('3');\n         expect(letterLimitInput.getAttribute('value')).toBe('3');\n         expect(longNumberLimitInput.getAttribute('value')).toBe('3');\n         expect(limitedNumbers.getText()).toEqual('Output numbers: [1,2,3]');\n         expect(limitedLetters.getText()).toEqual('Output letters: abc');\n         expect(limitedLongNumber.getText()).toEqual('Output long number: 234');\n       });\n\n       // There is a bug in safari and protractor that doesn't like the minus key\n       // it('should update the output when -3 is entered', function() {\n       //   numLimitInput.clear();\n       //   numLimitInput.sendKeys('-3');\n       //   letterLimitInput.clear();\n       //   letterLimitInput.sendKeys('-3');\n       //   longNumberLimitInput.clear();\n       //   longNumberLimitInput.sendKeys('-3');\n       //   expect(limitedNumbers.getText()).toEqual('Output numbers: [7,8,9]');\n       //   expect(limitedLetters.getText()).toEqual('Output letters: ghi');\n       //   expect(limitedLongNumber.getText()).toEqual('Output long number: 342');\n       // });\n\n       it('should not exceed the maximum size of input array', function() {\n         numLimitInput.clear();\n         numLimitInput.sendKeys('100');\n         letterLimitInput.clear();\n         letterLimitInput.sendKeys('100');\n         longNumberLimitInput.clear();\n         longNumberLimitInput.sendKeys('100');\n         expect(limitedNumbers.getText()).toEqual('Output numbers: [1,2,3,4,5,6,7,8,9]');\n         expect(limitedLetters.getText()).toEqual('Output letters: abcdefghi');\n         expect(limitedLongNumber.getText()).toEqual('Output long number: 2345432342');\n       });\n     </file>\n   </example>\n*/\nfunction limitToFilter() {\n  return function(input, limit, begin) {\n    if (Math.abs(Number(limit)) === Infinity) {\n      limit = Number(limit);\n    } else {\n      limit = toInt(limit);\n    }\n    if (isNumberNaN(limit)) return input;\n\n    if (isNumber(input)) input = input.toString();\n    if (!isArrayLike(input)) return input;\n\n    begin = (!begin || isNaN(begin)) ? 0 : toInt(begin);\n    begin = (begin < 0) ? Math.max(0, input.length + begin) : begin;\n\n    if (limit >= 0) {\n      return sliceFn(input, begin, begin + limit);\n    } else {\n      if (begin === 0) {\n        return sliceFn(input, limit, input.length);\n      } else {\n        return sliceFn(input, Math.max(0, begin + limit), begin);\n      }\n    }\n  };\n}\n\nfunction sliceFn(input, begin, end) {\n  if (isString(input)) return input.slice(begin, end);\n\n  return slice.call(input, begin, end);\n}\n\n/**\n * @ngdoc filter\n * @name orderBy\n * @kind function\n *\n * @description\n * Returns an array containing the items from the specified `collection`, ordered by a `comparator`\n * function based on the values computed using the `expression` predicate.\n *\n * For example, `[{id: 'foo'}, {id: 'bar'}] | orderBy:'id'` would result in\n * `[{id: 'bar'}, {id: 'foo'}]`.\n *\n * The `collection` can be an Array or array-like object (e.g. NodeList, jQuery object, TypedArray,\n * String, etc).\n *\n * The `expression` can be a single predicate, or a list of predicates each serving as a tie-breaker\n * for the preceding one. The `expression` is evaluated against each item and the output is used\n * for comparing with other items.\n *\n * You can change the sorting order by setting `reverse` to `true`. By default, items are sorted in\n * ascending order.\n *\n * The comparison is done using the `comparator` function. If none is specified, a default, built-in\n * comparator is used (see below for details - in a nutshell, it compares numbers numerically and\n * strings alphabetically).\n *\n * ### Under the hood\n *\n * Ordering the specified `collection` happens in two phases:\n *\n * 1. All items are passed through the predicate (or predicates), and the returned values are saved\n *    along with their type (`string`, `number` etc). For example, an item `{label: 'foo'}`, passed\n *    through a predicate that extracts the value of the `label` property, would be transformed to:\n *    ```\n *    {\n *      value: 'foo',\n *      type: 'string',\n *      index: ...\n *    }\n *    ```\n *    **Note:** `null` values use `'null'` as their type.\n * 2. The comparator function is used to sort the items, based on the derived values, types and\n *    indices.\n *\n * If you use a custom comparator, it will be called with pairs of objects of the form\n * `{value: ..., type: '...', index: ...}` and is expected to return `0` if the objects are equal\n * (as far as the comparator is concerned), `-1` if the 1st one should be ranked higher than the\n * second, or `1` otherwise.\n *\n * In order to ensure that the sorting will be deterministic across platforms, if none of the\n * specified predicates can distinguish between two items, `orderBy` will automatically introduce a\n * dummy predicate that returns the item's index as `value`.\n * (If you are using a custom comparator, make sure it can handle this predicate as well.)\n *\n * If a custom comparator still can't distinguish between two items, then they will be sorted based\n * on their index using the built-in comparator.\n *\n * Finally, in an attempt to simplify things, if a predicate returns an object as the extracted\n * value for an item, `orderBy` will try to convert that object to a primitive value, before passing\n * it to the comparator. The following rules govern the conversion:\n *\n * 1. If the object has a `valueOf()` method that returns a primitive, its return value will be\n *    used instead.<br />\n *    (If the object has a `valueOf()` method that returns another object, then the returned object\n *    will be used in subsequent steps.)\n * 2. If the object has a custom `toString()` method (i.e. not the one inherited from `Object`) that\n *    returns a primitive, its return value will be used instead.<br />\n *    (If the object has a `toString()` method that returns another object, then the returned object\n *    will be used in subsequent steps.)\n * 3. No conversion; the object itself is used.\n *\n * ### The default comparator\n *\n * The default, built-in comparator should be sufficient for most usecases. In short, it compares\n * numbers numerically, strings alphabetically (and case-insensitively), for objects falls back to\n * using their index in the original collection, sorts values of different types by type and puts\n * `undefined` and `null` values at the end of the sorted list.\n *\n * More specifically, it follows these steps to determine the relative order of items:\n *\n * 1. If the compared values are of different types:\n *    - If one of the values is undefined, consider it \"greater than\" the other.\n *    - Else if one of the values is null, consider it \"greater than\" the other.\n *    - Else compare the types themselves alphabetically.\n * 2. If both values are of type `string`, compare them alphabetically in a case- and\n *    locale-insensitive way.\n * 3. If both values are objects, compare their indices instead.\n * 4. Otherwise, return:\n *    -  `0`, if the values are equal (by strict equality comparison, i.e. using `===`).\n *    - `-1`, if the 1st value is \"less than\" the 2nd value (compared using the `<` operator).\n *    -  `1`, otherwise.\n *\n * **Note:** If you notice numbers not being sorted as expected, make sure they are actually being\n *           saved as numbers and not strings.\n * **Note:** For the purpose of sorting, `null` and `undefined` are considered \"greater than\"\n *           any other value (with undefined \"greater than\" null). This effectively means that `null`\n *           and `undefined` values end up at the end of a list sorted in ascending order.\n * **Note:** `null` values use `'null'` as their type to be able to distinguish them from objects.\n *\n * @param {Array|ArrayLike} collection - The collection (array or array-like object) to sort.\n * @param {(Function|string|Array.<Function|string>)=} expression - A predicate (or list of\n *    predicates) to be used by the comparator to determine the order of elements.\n *\n *    Can be one of:\n *\n *    - `Function`: A getter function. This function will be called with each item as argument and\n *      the return value will be used for sorting.\n *    - `string`: An AngularJS expression. This expression will be evaluated against each item and the\n *      result will be used for sorting. For example, use `'label'` to sort by a property called\n *      `label` or `'label.substring(0, 3)'` to sort by the first 3 characters of the `label`\n *      property.<br />\n *      (The result of a constant expression is interpreted as a property name to be used for\n *      comparison. For example, use `'\"special name\"'` (note the extra pair of quotes) to sort by a\n *      property called `special name`.)<br />\n *      An expression can be optionally prefixed with `+` or `-` to control the sorting direction,\n *      ascending or descending. For example, `'+label'` or `'-label'`. If no property is provided,\n *      (e.g. `'+'` or `'-'`), the collection element itself is used in comparisons.\n *    - `Array`: An array of function and/or string predicates. If a predicate cannot determine the\n *      relative order of two items, the next predicate is used as a tie-breaker.\n *\n * **Note:** If the predicate is missing or empty then it defaults to `'+'`.\n *\n * @param {boolean=} reverse - If `true`, reverse the sorting order.\n * @param {(Function)=} comparator - The comparator function used to determine the relative order of\n *    value pairs. If omitted, the built-in comparator will be used.\n *\n * @returns {Array} - The sorted array.\n *\n *\n * @example\n * ### Ordering a table with `ngRepeat`\n *\n * The example below demonstrates a simple {@link ngRepeat ngRepeat}, where the data is sorted by\n * age in descending order (expression is set to `'-age'`). The `comparator` is not set, which means\n * it defaults to the built-in comparator.\n *\n   <example name=\"orderBy-static\" module=\"orderByExample1\">\n     <file name=\"index.html\">\n       <div ng-controller=\"ExampleController\">\n         <table class=\"friends\">\n           <tr>\n             <th>Name</th>\n             <th>Phone Number</th>\n             <th>Age</th>\n           </tr>\n           <tr ng-repeat=\"friend in friends | orderBy:'-age'\">\n             <td>{{friend.name}}</td>\n             <td>{{friend.phone}}</td>\n             <td>{{friend.age}}</td>\n           </tr>\n         </table>\n       </div>\n     </file>\n     <file name=\"script.js\">\n       angular.module('orderByExample1', [])\n         .controller('ExampleController', ['$scope', function($scope) {\n           $scope.friends = [\n             {name: 'John',   phone: '555-1212',  age: 10},\n             {name: 'Mary',   phone: '555-9876',  age: 19},\n             {name: 'Mike',   phone: '555-4321',  age: 21},\n             {name: 'Adam',   phone: '555-5678',  age: 35},\n             {name: 'Julie',  phone: '555-8765',  age: 29}\n           ];\n         }]);\n     </file>\n     <file name=\"style.css\">\n       .friends {\n         border-collapse: collapse;\n       }\n\n       .friends th {\n         border-bottom: 1px solid;\n       }\n       .friends td, .friends th {\n         border-left: 1px solid;\n         padding: 5px 10px;\n       }\n       .friends td:first-child, .friends th:first-child {\n         border-left: none;\n       }\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       // Element locators\n       var names = element.all(by.repeater('friends').column('friend.name'));\n\n       it('should sort friends by age in reverse order', function() {\n         expect(names.get(0).getText()).toBe('Adam');\n         expect(names.get(1).getText()).toBe('Julie');\n         expect(names.get(2).getText()).toBe('Mike');\n         expect(names.get(3).getText()).toBe('Mary');\n         expect(names.get(4).getText()).toBe('John');\n       });\n     </file>\n   </example>\n * <hr />\n *\n * @example\n * ### Changing parameters dynamically\n *\n * All parameters can be changed dynamically. The next example shows how you can make the columns of\n * a table sortable, by binding the `expression` and `reverse` parameters to scope properties.\n *\n   <example name=\"orderBy-dynamic\" module=\"orderByExample2\">\n     <file name=\"index.html\">\n       <div ng-controller=\"ExampleController\">\n         <pre>Sort by = {{propertyName}}; reverse = {{reverse}}</pre>\n         <hr/>\n         <button ng-click=\"propertyName = null; reverse = false\">Set to unsorted</button>\n         <hr/>\n         <table class=\"friends\">\n           <tr>\n             <th>\n               <button ng-click=\"sortBy('name')\">Name</button>\n               <span class=\"sortorder\" ng-show=\"propertyName === 'name'\" ng-class=\"{reverse: reverse}\"></span>\n             </th>\n             <th>\n               <button ng-click=\"sortBy('phone')\">Phone Number</button>\n               <span class=\"sortorder\" ng-show=\"propertyName === 'phone'\" ng-class=\"{reverse: reverse}\"></span>\n             </th>\n             <th>\n               <button ng-click=\"sortBy('age')\">Age</button>\n               <span class=\"sortorder\" ng-show=\"propertyName === 'age'\" ng-class=\"{reverse: reverse}\"></span>\n             </th>\n           </tr>\n           <tr ng-repeat=\"friend in friends | orderBy:propertyName:reverse\">\n             <td>{{friend.name}}</td>\n             <td>{{friend.phone}}</td>\n             <td>{{friend.age}}</td>\n           </tr>\n         </table>\n       </div>\n     </file>\n     <file name=\"script.js\">\n       angular.module('orderByExample2', [])\n         .controller('ExampleController', ['$scope', function($scope) {\n           var friends = [\n             {name: 'John',   phone: '555-1212',  age: 10},\n             {name: 'Mary',   phone: '555-9876',  age: 19},\n             {name: 'Mike',   phone: '555-4321',  age: 21},\n             {name: 'Adam',   phone: '555-5678',  age: 35},\n             {name: 'Julie',  phone: '555-8765',  age: 29}\n           ];\n\n           $scope.propertyName = 'age';\n           $scope.reverse = true;\n           $scope.friends = friends;\n\n           $scope.sortBy = function(propertyName) {\n             $scope.reverse = ($scope.propertyName === propertyName) ? !$scope.reverse : false;\n             $scope.propertyName = propertyName;\n           };\n         }]);\n     </file>\n     <file name=\"style.css\">\n       .friends {\n         border-collapse: collapse;\n       }\n\n       .friends th {\n         border-bottom: 1px solid;\n       }\n       .friends td, .friends th {\n         border-left: 1px solid;\n         padding: 5px 10px;\n       }\n       .friends td:first-child, .friends th:first-child {\n         border-left: none;\n       }\n\n       .sortorder:after {\n         content: '\\25b2';   // BLACK UP-POINTING TRIANGLE\n       }\n       .sortorder.reverse:after {\n         content: '\\25bc';   // BLACK DOWN-POINTING TRIANGLE\n       }\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       // Element locators\n       var unsortButton = element(by.partialButtonText('unsorted'));\n       var nameHeader = element(by.partialButtonText('Name'));\n       var phoneHeader = element(by.partialButtonText('Phone'));\n       var ageHeader = element(by.partialButtonText('Age'));\n       var firstName = element(by.repeater('friends').column('friend.name').row(0));\n       var lastName = element(by.repeater('friends').column('friend.name').row(4));\n\n       it('should sort friends by some property, when clicking on the column header', function() {\n         expect(firstName.getText()).toBe('Adam');\n         expect(lastName.getText()).toBe('John');\n\n         phoneHeader.click();\n         expect(firstName.getText()).toBe('John');\n         expect(lastName.getText()).toBe('Mary');\n\n         nameHeader.click();\n         expect(firstName.getText()).toBe('Adam');\n         expect(lastName.getText()).toBe('Mike');\n\n         ageHeader.click();\n         expect(firstName.getText()).toBe('John');\n         expect(lastName.getText()).toBe('Adam');\n       });\n\n       it('should sort friends in reverse order, when clicking on the same column', function() {\n         expect(firstName.getText()).toBe('Adam');\n         expect(lastName.getText()).toBe('John');\n\n         ageHeader.click();\n         expect(firstName.getText()).toBe('John');\n         expect(lastName.getText()).toBe('Adam');\n\n         ageHeader.click();\n         expect(firstName.getText()).toBe('Adam');\n         expect(lastName.getText()).toBe('John');\n       });\n\n       it('should restore the original order, when clicking \"Set to unsorted\"', function() {\n         expect(firstName.getText()).toBe('Adam');\n         expect(lastName.getText()).toBe('John');\n\n         unsortButton.click();\n         expect(firstName.getText()).toBe('John');\n         expect(lastName.getText()).toBe('Julie');\n       });\n     </file>\n   </example>\n * <hr />\n *\n * @example\n * ### Using `orderBy` inside a controller\n *\n * It is also possible to call the `orderBy` filter manually, by injecting `orderByFilter`, and\n * calling it with the desired parameters. (Alternatively, you could inject the `$filter` factory\n * and retrieve the `orderBy` filter with `$filter('orderBy')`.)\n *\n   <example name=\"orderBy-call-manually\" module=\"orderByExample3\">\n     <file name=\"index.html\">\n       <div ng-controller=\"ExampleController\">\n         <pre>Sort by = {{propertyName}}; reverse = {{reverse}}</pre>\n         <hr/>\n         <button ng-click=\"sortBy(null)\">Set to unsorted</button>\n         <hr/>\n         <table class=\"friends\">\n           <tr>\n             <th>\n               <button ng-click=\"sortBy('name')\">Name</button>\n               <span class=\"sortorder\" ng-show=\"propertyName === 'name'\" ng-class=\"{reverse: reverse}\"></span>\n             </th>\n             <th>\n               <button ng-click=\"sortBy('phone')\">Phone Number</button>\n               <span class=\"sortorder\" ng-show=\"propertyName === 'phone'\" ng-class=\"{reverse: reverse}\"></span>\n             </th>\n             <th>\n               <button ng-click=\"sortBy('age')\">Age</button>\n               <span class=\"sortorder\" ng-show=\"propertyName === 'age'\" ng-class=\"{reverse: reverse}\"></span>\n             </th>\n           </tr>\n           <tr ng-repeat=\"friend in friends\">\n             <td>{{friend.name}}</td>\n             <td>{{friend.phone}}</td>\n             <td>{{friend.age}}</td>\n           </tr>\n         </table>\n       </div>\n     </file>\n     <file name=\"script.js\">\n       angular.module('orderByExample3', [])\n         .controller('ExampleController', ['$scope', 'orderByFilter', function($scope, orderBy) {\n           var friends = [\n             {name: 'John',   phone: '555-1212',  age: 10},\n             {name: 'Mary',   phone: '555-9876',  age: 19},\n             {name: 'Mike',   phone: '555-4321',  age: 21},\n             {name: 'Adam',   phone: '555-5678',  age: 35},\n             {name: 'Julie',  phone: '555-8765',  age: 29}\n           ];\n\n           $scope.propertyName = 'age';\n           $scope.reverse = true;\n           $scope.friends = orderBy(friends, $scope.propertyName, $scope.reverse);\n\n           $scope.sortBy = function(propertyName) {\n             $scope.reverse = (propertyName !== null && $scope.propertyName === propertyName)\n                 ? !$scope.reverse : false;\n             $scope.propertyName = propertyName;\n             $scope.friends = orderBy(friends, $scope.propertyName, $scope.reverse);\n           };\n         }]);\n     </file>\n     <file name=\"style.css\">\n       .friends {\n         border-collapse: collapse;\n       }\n\n       .friends th {\n         border-bottom: 1px solid;\n       }\n       .friends td, .friends th {\n         border-left: 1px solid;\n         padding: 5px 10px;\n       }\n       .friends td:first-child, .friends th:first-child {\n         border-left: none;\n       }\n\n       .sortorder:after {\n         content: '\\25b2';   // BLACK UP-POINTING TRIANGLE\n       }\n       .sortorder.reverse:after {\n         content: '\\25bc';   // BLACK DOWN-POINTING TRIANGLE\n       }\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       // Element locators\n       var unsortButton = element(by.partialButtonText('unsorted'));\n       var nameHeader = element(by.partialButtonText('Name'));\n       var phoneHeader = element(by.partialButtonText('Phone'));\n       var ageHeader = element(by.partialButtonText('Age'));\n       var firstName = element(by.repeater('friends').column('friend.name').row(0));\n       var lastName = element(by.repeater('friends').column('friend.name').row(4));\n\n       it('should sort friends by some property, when clicking on the column header', function() {\n         expect(firstName.getText()).toBe('Adam');\n         expect(lastName.getText()).toBe('John');\n\n         phoneHeader.click();\n         expect(firstName.getText()).toBe('John');\n         expect(lastName.getText()).toBe('Mary');\n\n         nameHeader.click();\n         expect(firstName.getText()).toBe('Adam');\n         expect(lastName.getText()).toBe('Mike');\n\n         ageHeader.click();\n         expect(firstName.getText()).toBe('John');\n         expect(lastName.getText()).toBe('Adam');\n       });\n\n       it('should sort friends in reverse order, when clicking on the same column', function() {\n         expect(firstName.getText()).toBe('Adam');\n         expect(lastName.getText()).toBe('John');\n\n         ageHeader.click();\n         expect(firstName.getText()).toBe('John');\n         expect(lastName.getText()).toBe('Adam');\n\n         ageHeader.click();\n         expect(firstName.getText()).toBe('Adam');\n         expect(lastName.getText()).toBe('John');\n       });\n\n       it('should restore the original order, when clicking \"Set to unsorted\"', function() {\n         expect(firstName.getText()).toBe('Adam');\n         expect(lastName.getText()).toBe('John');\n\n         unsortButton.click();\n         expect(firstName.getText()).toBe('John');\n         expect(lastName.getText()).toBe('Julie');\n       });\n     </file>\n   </example>\n * <hr />\n *\n * @example\n * ### Using a custom comparator\n *\n * If you have very specific requirements about the way items are sorted, you can pass your own\n * comparator function. For example, you might need to compare some strings in a locale-sensitive\n * way. (When specifying a custom comparator, you also need to pass a value for the `reverse`\n * argument - passing `false` retains the default sorting order, i.e. ascending.)\n *\n   <example name=\"orderBy-custom-comparator\" module=\"orderByExample4\">\n     <file name=\"index.html\">\n       <div ng-controller=\"ExampleController\">\n         <div class=\"friends-container custom-comparator\">\n           <h3>Locale-sensitive Comparator</h3>\n           <table class=\"friends\">\n             <tr>\n               <th>Name</th>\n               <th>Favorite Letter</th>\n             </tr>\n             <tr ng-repeat=\"friend in friends | orderBy:'favoriteLetter':false:localeSensitiveComparator\">\n               <td>{{friend.name}}</td>\n               <td>{{friend.favoriteLetter}}</td>\n             </tr>\n           </table>\n         </div>\n         <div class=\"friends-container default-comparator\">\n           <h3>Default Comparator</h3>\n           <table class=\"friends\">\n             <tr>\n               <th>Name</th>\n               <th>Favorite Letter</th>\n             </tr>\n             <tr ng-repeat=\"friend in friends | orderBy:'favoriteLetter'\">\n               <td>{{friend.name}}</td>\n               <td>{{friend.favoriteLetter}}</td>\n             </tr>\n           </table>\n         </div>\n       </div>\n     </file>\n     <file name=\"script.js\">\n       angular.module('orderByExample4', [])\n         .controller('ExampleController', ['$scope', function($scope) {\n           $scope.friends = [\n             {name: 'John',   favoriteLetter: 'Ä'},\n             {name: 'Mary',   favoriteLetter: 'Ü'},\n             {name: 'Mike',   favoriteLetter: 'Ö'},\n             {name: 'Adam',   favoriteLetter: 'H'},\n             {name: 'Julie',  favoriteLetter: 'Z'}\n           ];\n\n           $scope.localeSensitiveComparator = function(v1, v2) {\n             // If we don't get strings, just compare by index\n             if (v1.type !== 'string' || v2.type !== 'string') {\n               return (v1.index < v2.index) ? -1 : 1;\n             }\n\n             // Compare strings alphabetically, taking locale into account\n             return v1.value.localeCompare(v2.value);\n           };\n         }]);\n     </file>\n     <file name=\"style.css\">\n       .friends-container {\n         display: inline-block;\n         margin: 0 30px;\n       }\n\n       .friends {\n         border-collapse: collapse;\n       }\n\n       .friends th {\n         border-bottom: 1px solid;\n       }\n       .friends td, .friends th {\n         border-left: 1px solid;\n         padding: 5px 10px;\n       }\n       .friends td:first-child, .friends th:first-child {\n         border-left: none;\n       }\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       // Element locators\n       var container = element(by.css('.custom-comparator'));\n       var names = container.all(by.repeater('friends').column('friend.name'));\n\n       it('should sort friends by favorite letter (in correct alphabetical order)', function() {\n         expect(names.get(0).getText()).toBe('John');\n         expect(names.get(1).getText()).toBe('Adam');\n         expect(names.get(2).getText()).toBe('Mike');\n         expect(names.get(3).getText()).toBe('Mary');\n         expect(names.get(4).getText()).toBe('Julie');\n       });\n     </file>\n   </example>\n *\n */\norderByFilter.$inject = ['$parse'];\nfunction orderByFilter($parse) {\n  return function(array, sortPredicate, reverseOrder, compareFn) {\n\n    if (array == null) return array;\n    if (!isArrayLike(array)) {\n      throw minErr('orderBy')('notarray', 'Expected array but received: {0}', array);\n    }\n\n    if (!isArray(sortPredicate)) { sortPredicate = [sortPredicate]; }\n    if (sortPredicate.length === 0) { sortPredicate = ['+']; }\n\n    var predicates = processPredicates(sortPredicate);\n\n    var descending = reverseOrder ? -1 : 1;\n\n    // Define the `compare()` function. Use a default comparator if none is specified.\n    var compare = isFunction(compareFn) ? compareFn : defaultCompare;\n\n    // The next three lines are a version of a Swartzian Transform idiom from Perl\n    // (sometimes called the Decorate-Sort-Undecorate idiom)\n    // See https://en.wikipedia.org/wiki/Schwartzian_transform\n    var compareValues = Array.prototype.map.call(array, getComparisonObject);\n    compareValues.sort(doComparison);\n    array = compareValues.map(function(item) { return item.value; });\n\n    return array;\n\n    function getComparisonObject(value, index) {\n      // NOTE: We are adding an extra `tieBreaker` value based on the element's index.\n      // This will be used to keep the sort stable when none of the input predicates can\n      // distinguish between two elements.\n      return {\n        value: value,\n        tieBreaker: {value: index, type: 'number', index: index},\n        predicateValues: predicates.map(function(predicate) {\n          return getPredicateValue(predicate.get(value), index);\n        })\n      };\n    }\n\n    function doComparison(v1, v2) {\n      for (var i = 0, ii = predicates.length; i < ii; i++) {\n        var result = compare(v1.predicateValues[i], v2.predicateValues[i]);\n        if (result) {\n          return result * predicates[i].descending * descending;\n        }\n      }\n\n      return (compare(v1.tieBreaker, v2.tieBreaker) || defaultCompare(v1.tieBreaker, v2.tieBreaker)) * descending;\n    }\n  };\n\n  function processPredicates(sortPredicates) {\n    return sortPredicates.map(function(predicate) {\n      var descending = 1, get = identity;\n\n      if (isFunction(predicate)) {\n        get = predicate;\n      } else if (isString(predicate)) {\n        if ((predicate.charAt(0) === '+' || predicate.charAt(0) === '-')) {\n          descending = predicate.charAt(0) === '-' ? -1 : 1;\n          predicate = predicate.substring(1);\n        }\n        if (predicate !== '') {\n          get = $parse(predicate);\n          if (get.constant) {\n            var key = get();\n            get = function(value) { return value[key]; };\n          }\n        }\n      }\n      return {get: get, descending: descending};\n    });\n  }\n\n  function isPrimitive(value) {\n    switch (typeof value) {\n      case 'number': /* falls through */\n      case 'boolean': /* falls through */\n      case 'string':\n        return true;\n      default:\n        return false;\n    }\n  }\n\n  function objectValue(value) {\n    // If `valueOf` is a valid function use that\n    if (isFunction(value.valueOf)) {\n      value = value.valueOf();\n      if (isPrimitive(value)) return value;\n    }\n    // If `toString` is a valid function and not the one from `Object.prototype` use that\n    if (hasCustomToString(value)) {\n      value = value.toString();\n      if (isPrimitive(value)) return value;\n    }\n\n    return value;\n  }\n\n  function getPredicateValue(value, index) {\n    var type = typeof value;\n    if (value === null) {\n      type = 'null';\n    } else if (type === 'object') {\n      value = objectValue(value);\n    }\n    return {value: value, type: type, index: index};\n  }\n\n  function defaultCompare(v1, v2) {\n    var result = 0;\n    var type1 = v1.type;\n    var type2 = v2.type;\n\n    if (type1 === type2) {\n      var value1 = v1.value;\n      var value2 = v2.value;\n\n      if (type1 === 'string') {\n        // Compare strings case-insensitively\n        value1 = value1.toLowerCase();\n        value2 = value2.toLowerCase();\n      } else if (type1 === 'object') {\n        // For basic objects, use the position of the object\n        // in the collection instead of the value\n        if (isObject(value1)) value1 = v1.index;\n        if (isObject(value2)) value2 = v2.index;\n      }\n\n      if (value1 !== value2) {\n        result = value1 < value2 ? -1 : 1;\n      }\n    } else {\n      result = (type1 === 'undefined') ? 1 :\n        (type2 === 'undefined') ? -1 :\n        (type1 === 'null') ? 1 :\n        (type2 === 'null') ? -1 :\n        (type1 < type2) ? -1 : 1;\n    }\n\n    return result;\n  }\n}\n\nfunction ngDirective(directive) {\n  if (isFunction(directive)) {\n    directive = {\n      link: directive\n    };\n  }\n  directive.restrict = directive.restrict || 'AC';\n  return valueFn(directive);\n}\n\n/**\n * @ngdoc directive\n * @name a\n * @restrict E\n *\n * @description\n * Modifies the default behavior of the html a tag so that the default action is prevented when\n * the href attribute is empty.\n *\n * For dynamically creating `href` attributes for a tags, see the {@link ng.ngHref `ngHref`} directive.\n */\nvar htmlAnchorDirective = valueFn({\n  restrict: 'E',\n  compile: function(element, attr) {\n    if (!attr.href && !attr.xlinkHref) {\n      return function(scope, element) {\n        // If the linked element is not an anchor tag anymore, do nothing\n        if (element[0].nodeName.toLowerCase() !== 'a') return;\n\n        // SVGAElement does not use the href attribute, but rather the 'xlinkHref' attribute.\n        var href = toString.call(element.prop('href')) === '[object SVGAnimatedString]' ?\n                   'xlink:href' : 'href';\n        element.on('click', function(event) {\n          // if we have no href url, then don't navigate anywhere.\n          if (!element.attr(href)) {\n            event.preventDefault();\n          }\n        });\n      };\n    }\n  }\n});\n\n/**\n * @ngdoc directive\n * @name ngHref\n * @restrict A\n * @priority 99\n *\n * @description\n * Using AngularJS markup like `{{hash}}` in an href attribute will\n * make the link go to the wrong URL if the user clicks it before\n * AngularJS has a chance to replace the `{{hash}}` markup with its\n * value. Until AngularJS replaces the markup the link will be broken\n * and will most likely return a 404 error. The `ngHref` directive\n * solves this problem.\n *\n * The wrong way to write it:\n * ```html\n * <a href=\"http://www.gravatar.com/avatar/{{hash}}\">link1</a>\n * ```\n *\n * The correct way to write it:\n * ```html\n * <a ng-href=\"http://www.gravatar.com/avatar/{{hash}}\">link1</a>\n * ```\n *\n * @element A\n * @param {template} ngHref any string which can contain `{{}}` markup.\n *\n * @example\n * This example shows various combinations of `href`, `ng-href` and `ng-click` attributes\n * in links and their different behaviors:\n    <example name=\"ng-href\">\n      <file name=\"index.html\">\n        <input ng-model=\"value\" /><br />\n        <a id=\"link-1\" href ng-click=\"value = 1\">link 1</a> (link, don't reload)<br />\n        <a id=\"link-2\" href=\"\" ng-click=\"value = 2\">link 2</a> (link, don't reload)<br />\n        <a id=\"link-3\" ng-href=\"/{{'123'}}\">link 3</a> (link, reload!)<br />\n        <a id=\"link-4\" href=\"\" name=\"xx\" ng-click=\"value = 4\">anchor</a> (link, don't reload)<br />\n        <a id=\"link-5\" name=\"xxx\" ng-click=\"value = 5\">anchor</a> (no link)<br />\n        <a id=\"link-6\" ng-href=\"{{value}}\">link</a> (link, change location)\n      </file>\n      <file name=\"protractor.js\" type=\"protractor\">\n        it('should execute ng-click but not reload when href without value', function() {\n          element(by.id('link-1')).click();\n          expect(element(by.model('value')).getAttribute('value')).toEqual('1');\n          expect(element(by.id('link-1')).getAttribute('href')).toBe('');\n        });\n\n        it('should execute ng-click but not reload when href empty string', function() {\n          element(by.id('link-2')).click();\n          expect(element(by.model('value')).getAttribute('value')).toEqual('2');\n          expect(element(by.id('link-2')).getAttribute('href')).toBe('');\n        });\n\n        it('should execute ng-click and change url when ng-href specified', function() {\n          expect(element(by.id('link-3')).getAttribute('href')).toMatch(/\\/123$/);\n\n          element(by.id('link-3')).click();\n\n          // At this point, we navigate away from an AngularJS page, so we need\n          // to use browser.driver to get the base webdriver.\n\n          browser.wait(function() {\n            return browser.driver.getCurrentUrl().then(function(url) {\n              return url.match(/\\/123$/);\n            });\n          }, 5000, 'page should navigate to /123');\n        });\n\n        it('should execute ng-click but not reload when href empty string and name specified', function() {\n          element(by.id('link-4')).click();\n          expect(element(by.model('value')).getAttribute('value')).toEqual('4');\n          expect(element(by.id('link-4')).getAttribute('href')).toBe('');\n        });\n\n        it('should execute ng-click but not reload when no href but name specified', function() {\n          element(by.id('link-5')).click();\n          expect(element(by.model('value')).getAttribute('value')).toEqual('5');\n          expect(element(by.id('link-5')).getAttribute('href')).toBe(null);\n        });\n\n        it('should only change url when only ng-href', function() {\n          element(by.model('value')).clear();\n          element(by.model('value')).sendKeys('6');\n          expect(element(by.id('link-6')).getAttribute('href')).toMatch(/\\/6$/);\n\n          element(by.id('link-6')).click();\n\n          // At this point, we navigate away from an AngularJS page, so we need\n          // to use browser.driver to get the base webdriver.\n          browser.wait(function() {\n            return browser.driver.getCurrentUrl().then(function(url) {\n              return url.match(/\\/6$/);\n            });\n          }, 5000, 'page should navigate to /6');\n        });\n      </file>\n    </example>\n */\n\n/**\n * @ngdoc directive\n * @name ngSrc\n * @restrict A\n * @priority 99\n *\n * @description\n * Using AngularJS markup like `{{hash}}` in a `src` attribute doesn't\n * work right: The browser will fetch from the URL with the literal\n * text `{{hash}}` until AngularJS replaces the expression inside\n * `{{hash}}`. The `ngSrc` directive solves this problem.\n *\n * The buggy way to write it:\n * ```html\n * <img src=\"http://www.gravatar.com/avatar/{{hash}}\" alt=\"Description\"/>\n * ```\n *\n * The correct way to write it:\n * ```html\n * <img ng-src=\"http://www.gravatar.com/avatar/{{hash}}\" alt=\"Description\" />\n * ```\n *\n * @element IMG\n * @param {template} ngSrc any string which can contain `{{}}` markup.\n */\n\n/**\n * @ngdoc directive\n * @name ngSrcset\n * @restrict A\n * @priority 99\n *\n * @description\n * Using AngularJS markup like `{{hash}}` in a `srcset` attribute doesn't\n * work right: The browser will fetch from the URL with the literal\n * text `{{hash}}` until AngularJS replaces the expression inside\n * `{{hash}}`. The `ngSrcset` directive solves this problem.\n *\n * The buggy way to write it:\n * ```html\n * <img srcset=\"http://www.gravatar.com/avatar/{{hash}} 2x\" alt=\"Description\"/>\n * ```\n *\n * The correct way to write it:\n * ```html\n * <img ng-srcset=\"http://www.gravatar.com/avatar/{{hash}} 2x\" alt=\"Description\" />\n * ```\n *\n * @element IMG\n * @param {template} ngSrcset any string which can contain `{{}}` markup.\n */\n\n/**\n * @ngdoc directive\n * @name ngDisabled\n * @restrict A\n * @priority 100\n *\n * @description\n *\n * This directive sets the `disabled` attribute on the element (typically a form control,\n * e.g. `input`, `button`, `select` etc.) if the\n * {@link guide/expression expression} inside `ngDisabled` evaluates to truthy.\n *\n * A special directive is necessary because we cannot use interpolation inside the `disabled`\n * attribute. See the {@link guide/interpolation interpolation guide} for more info.\n *\n * @example\n    <example name=\"ng-disabled\">\n      <file name=\"index.html\">\n        <label>Click me to toggle: <input type=\"checkbox\" ng-model=\"checked\"></label><br/>\n        <button ng-model=\"button\" ng-disabled=\"checked\">Button</button>\n      </file>\n      <file name=\"protractor.js\" type=\"protractor\">\n        it('should toggle button', function() {\n          expect(element(by.css('button')).getAttribute('disabled')).toBeFalsy();\n          element(by.model('checked')).click();\n          expect(element(by.css('button')).getAttribute('disabled')).toBeTruthy();\n        });\n      </file>\n    </example>\n *\n * @param {expression} ngDisabled If the {@link guide/expression expression} is truthy,\n *     then the `disabled` attribute will be set on the element\n */\n\n\n/**\n * @ngdoc directive\n * @name ngChecked\n * @restrict A\n * @priority 100\n *\n * @description\n * Sets the `checked` attribute on the element, if the expression inside `ngChecked` is truthy.\n *\n * Note that this directive should not be used together with {@link ngModel `ngModel`},\n * as this can lead to unexpected behavior.\n *\n * A special directive is necessary because we cannot use interpolation inside the `checked`\n * attribute. See the {@link guide/interpolation interpolation guide} for more info.\n *\n * @example\n    <example name=\"ng-checked\">\n      <file name=\"index.html\">\n        <label>Check me to check both: <input type=\"checkbox\" ng-model=\"leader\"></label><br/>\n        <input id=\"checkFollower\" type=\"checkbox\" ng-checked=\"leader\" aria-label=\"Follower input\">\n      </file>\n      <file name=\"protractor.js\" type=\"protractor\">\n        it('should check both checkBoxes', function() {\n          expect(element(by.id('checkFollower')).getAttribute('checked')).toBeFalsy();\n          element(by.model('leader')).click();\n          expect(element(by.id('checkFollower')).getAttribute('checked')).toBeTruthy();\n        });\n      </file>\n    </example>\n *\n * @element INPUT\n * @param {expression} ngChecked If the {@link guide/expression expression} is truthy,\n *     then the `checked` attribute will be set on the element\n */\n\n\n/**\n * @ngdoc directive\n * @name ngReadonly\n * @restrict A\n * @priority 100\n *\n * @description\n *\n * Sets the `readonly` attribute on the element, if the expression inside `ngReadonly` is truthy.\n * Note that `readonly` applies only to `input` elements with specific types. [See the input docs on\n * MDN](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#attr-readonly) for more information.\n *\n * A special directive is necessary because we cannot use interpolation inside the `readonly`\n * attribute. See the {@link guide/interpolation interpolation guide} for more info.\n *\n * @example\n    <example name=\"ng-readonly\">\n      <file name=\"index.html\">\n        <label>Check me to make text readonly: <input type=\"checkbox\" ng-model=\"checked\"></label><br/>\n        <input type=\"text\" ng-readonly=\"checked\" value=\"I'm AngularJS\" aria-label=\"Readonly field\" />\n      </file>\n      <file name=\"protractor.js\" type=\"protractor\">\n        it('should toggle readonly attr', function() {\n          expect(element(by.css('[type=\"text\"]')).getAttribute('readonly')).toBeFalsy();\n          element(by.model('checked')).click();\n          expect(element(by.css('[type=\"text\"]')).getAttribute('readonly')).toBeTruthy();\n        });\n      </file>\n    </example>\n *\n * @element INPUT\n * @param {expression} ngReadonly If the {@link guide/expression expression} is truthy,\n *     then special attribute \"readonly\" will be set on the element\n */\n\n\n/**\n * @ngdoc directive\n * @name ngSelected\n * @restrict A\n * @priority 100\n *\n * @description\n *\n * Sets the `selected` attribute on the element, if the expression inside `ngSelected` is truthy.\n *\n * A special directive is necessary because we cannot use interpolation inside the `selected`\n * attribute. See the {@link guide/interpolation interpolation guide} for more info.\n *\n * <div class=\"alert alert-warning\">\n *   **Note:** `ngSelected` does not interact with the `select` and `ngModel` directives, it only\n *   sets the `selected` attribute on the element. If you are using `ngModel` on the select, you\n *   should not use `ngSelected` on the options, as `ngModel` will set the select value and\n *   selected options.\n * </div>\n *\n * @example\n    <example name=\"ng-selected\">\n      <file name=\"index.html\">\n        <label>Check me to select: <input type=\"checkbox\" ng-model=\"selected\"></label><br/>\n        <select aria-label=\"ngSelected demo\">\n          <option>Hello!</option>\n          <option id=\"greet\" ng-selected=\"selected\">Greetings!</option>\n        </select>\n      </file>\n      <file name=\"protractor.js\" type=\"protractor\">\n        it('should select Greetings!', function() {\n          expect(element(by.id('greet')).getAttribute('selected')).toBeFalsy();\n          element(by.model('selected')).click();\n          expect(element(by.id('greet')).getAttribute('selected')).toBeTruthy();\n        });\n      </file>\n    </example>\n *\n * @element OPTION\n * @param {expression} ngSelected If the {@link guide/expression expression} is truthy,\n *     then special attribute \"selected\" will be set on the element\n */\n\n/**\n * @ngdoc directive\n * @name ngOpen\n * @restrict A\n * @priority 100\n *\n * @description\n *\n * Sets the `open` attribute on the element, if the expression inside `ngOpen` is truthy.\n *\n * A special directive is necessary because we cannot use interpolation inside the `open`\n * attribute. See the {@link guide/interpolation interpolation guide} for more info.\n *\n * ## A note about browser compatibility\n *\n * Internet Explorer and Edge do not support the `details` element, it is\n * recommended to use {@link ng.ngShow} and {@link ng.ngHide} instead.\n *\n * @example\n     <example name=\"ng-open\">\n       <file name=\"index.html\">\n         <label>Toggle details: <input type=\"checkbox\" ng-model=\"open\"></label><br/>\n         <details id=\"details\" ng-open=\"open\">\n            <summary>List</summary>\n            <ul>\n              <li>Apple</li>\n              <li>Orange</li>\n              <li>Durian</li>\n            </ul>\n         </details>\n       </file>\n       <file name=\"protractor.js\" type=\"protractor\">\n         it('should toggle open', function() {\n           expect(element(by.id('details')).getAttribute('open')).toBeFalsy();\n           element(by.model('open')).click();\n           expect(element(by.id('details')).getAttribute('open')).toBeTruthy();\n         });\n       </file>\n     </example>\n *\n * @element DETAILS\n * @param {expression} ngOpen If the {@link guide/expression expression} is truthy,\n *     then special attribute \"open\" will be set on the element\n */\n\nvar ngAttributeAliasDirectives = {};\n\n// boolean attrs are evaluated\nforEach(BOOLEAN_ATTR, function(propName, attrName) {\n  // binding to multiple is not supported\n  if (propName === 'multiple') return;\n\n  function defaultLinkFn(scope, element, attr) {\n    scope.$watch(attr[normalized], function ngBooleanAttrWatchAction(value) {\n      attr.$set(attrName, !!value);\n    });\n  }\n\n  var normalized = directiveNormalize('ng-' + attrName);\n  var linkFn = defaultLinkFn;\n\n  if (propName === 'checked') {\n    linkFn = function(scope, element, attr) {\n      // ensuring ngChecked doesn't interfere with ngModel when both are set on the same input\n      if (attr.ngModel !== attr[normalized]) {\n        defaultLinkFn(scope, element, attr);\n      }\n    };\n  }\n\n  ngAttributeAliasDirectives[normalized] = function() {\n    return {\n      restrict: 'A',\n      priority: 100,\n      link: linkFn\n    };\n  };\n});\n\n// aliased input attrs are evaluated\nforEach(ALIASED_ATTR, function(htmlAttr, ngAttr) {\n  ngAttributeAliasDirectives[ngAttr] = function() {\n    return {\n      priority: 100,\n      link: function(scope, element, attr) {\n        //special case ngPattern when a literal regular expression value\n        //is used as the expression (this way we don't have to watch anything).\n        if (ngAttr === 'ngPattern' && attr.ngPattern.charAt(0) === '/') {\n          var match = attr.ngPattern.match(REGEX_STRING_REGEXP);\n          if (match) {\n            attr.$set('ngPattern', new RegExp(match[1], match[2]));\n            return;\n          }\n        }\n\n        scope.$watch(attr[ngAttr], function ngAttrAliasWatchAction(value) {\n          attr.$set(ngAttr, value);\n        });\n      }\n    };\n  };\n});\n\n// ng-src, ng-srcset, ng-href are interpolated\nforEach(['src', 'srcset', 'href'], function(attrName) {\n  var normalized = directiveNormalize('ng-' + attrName);\n  ngAttributeAliasDirectives[normalized] = ['$sce', function($sce) {\n    return {\n      priority: 99, // it needs to run after the attributes are interpolated\n      link: function(scope, element, attr) {\n        var propName = attrName,\n            name = attrName;\n\n        if (attrName === 'href' &&\n            toString.call(element.prop('href')) === '[object SVGAnimatedString]') {\n          name = 'xlinkHref';\n          attr.$attr[name] = 'xlink:href';\n          propName = null;\n        }\n\n        // We need to sanitize the url at least once, in case it is a constant\n        // non-interpolated attribute.\n        attr.$set(normalized, $sce.getTrustedMediaUrl(attr[normalized]));\n\n        attr.$observe(normalized, function(value) {\n          if (!value) {\n            if (attrName === 'href') {\n              attr.$set(name, null);\n            }\n            return;\n          }\n\n          attr.$set(name, value);\n\n          // Support: IE 9-11 only\n          // On IE, if \"ng:src\" directive declaration is used and \"src\" attribute doesn't exist\n          // then calling element.setAttribute('src', 'foo') doesn't do anything, so we need\n          // to set the property as well to achieve the desired effect.\n          // We use attr[attrName] value since $set might have sanitized the url.\n          if (msie && propName) element.prop(propName, attr[name]);\n        });\n      }\n    };\n  }];\n});\n\n/* global -nullFormCtrl, -PENDING_CLASS, -SUBMITTED_CLASS\n */\nvar nullFormCtrl = {\n  $addControl: noop,\n  $getControls: valueFn([]),\n  $$renameControl: nullFormRenameControl,\n  $removeControl: noop,\n  $setValidity: noop,\n  $setDirty: noop,\n  $setPristine: noop,\n  $setSubmitted: noop,\n  $$setSubmitted: noop\n},\nPENDING_CLASS = 'ng-pending',\nSUBMITTED_CLASS = 'ng-submitted';\n\nfunction nullFormRenameControl(control, name) {\n  control.$name = name;\n}\n\n/**\n * @ngdoc type\n * @name form.FormController\n *\n * @property {boolean} $pristine True if user has not interacted with the form yet.\n * @property {boolean} $dirty True if user has already interacted with the form.\n * @property {boolean} $valid True if all of the containing forms and controls are valid.\n * @property {boolean} $invalid True if at least one containing control or form is invalid.\n * @property {boolean} $submitted True if user has submitted the form even if its invalid.\n *\n * @property {Object} $pending An object hash, containing references to controls or forms with\n *  pending validators, where:\n *\n *  - keys are validations tokens (error names).\n *  - values are arrays of controls or forms that have a pending validator for the given error name.\n *\n * See {@link form.FormController#$error $error} for a list of built-in validation tokens.\n *\n * @property {Object} $error An object hash, containing references to controls or forms with failing\n *  validators, where:\n *\n *  - keys are validation tokens (error names),\n *  - values are arrays of controls or forms that have a failing validator for the given error name.\n *\n *  Built-in validation tokens:\n *  - `email`\n *  - `max`\n *  - `maxlength`\n *  - `min`\n *  - `minlength`\n *  - `number`\n *  - `pattern`\n *  - `required`\n *  - `url`\n *  - `date`\n *  - `datetimelocal`\n *  - `time`\n *  - `week`\n *  - `month`\n *\n * @description\n * `FormController` keeps track of all its controls and nested forms as well as the state of them,\n * such as being valid/invalid or dirty/pristine.\n *\n * Each {@link ng.directive:form form} directive creates an instance\n * of `FormController`.\n *\n */\n//asks for $scope to fool the BC controller module\nFormController.$inject = ['$element', '$attrs', '$scope', '$animate', '$interpolate'];\nfunction FormController($element, $attrs, $scope, $animate, $interpolate) {\n  this.$$controls = [];\n\n  // init state\n  this.$error = {};\n  this.$$success = {};\n  this.$pending = undefined;\n  this.$name = $interpolate($attrs.name || $attrs.ngForm || '')($scope);\n  this.$dirty = false;\n  this.$pristine = true;\n  this.$valid = true;\n  this.$invalid = false;\n  this.$submitted = false;\n  this.$$parentForm = nullFormCtrl;\n\n  this.$$element = $element;\n  this.$$animate = $animate;\n\n  setupValidity(this);\n}\n\nFormController.prototype = {\n  /**\n   * @ngdoc method\n   * @name form.FormController#$rollbackViewValue\n   *\n   * @description\n   * Rollback all form controls pending updates to the `$modelValue`.\n   *\n   * Updates may be pending by a debounced event or because the input is waiting for a some future\n   * event defined in `ng-model-options`. This method is typically needed by the reset button of\n   * a form that uses `ng-model-options` to pend updates.\n   */\n  $rollbackViewValue: function() {\n    forEach(this.$$controls, function(control) {\n      control.$rollbackViewValue();\n    });\n  },\n\n  /**\n   * @ngdoc method\n   * @name form.FormController#$commitViewValue\n   *\n   * @description\n   * Commit all form controls pending updates to the `$modelValue`.\n   *\n   * Updates may be pending by a debounced event or because the input is waiting for a some future\n   * event defined in `ng-model-options`. This method is rarely needed as `NgModelController`\n   * usually handles calling this in response to input events.\n   */\n  $commitViewValue: function() {\n    forEach(this.$$controls, function(control) {\n      control.$commitViewValue();\n    });\n  },\n\n  /**\n   * @ngdoc method\n   * @name form.FormController#$addControl\n   * @param {object} control control object, either a {@link form.FormController} or an\n   * {@link ngModel.NgModelController}\n   *\n   * @description\n   * Register a control with the form. Input elements using ngModelController do this automatically\n   * when they are linked.\n   *\n   * Note that the current state of the control will not be reflected on the new parent form. This\n   * is not an issue with normal use, as freshly compiled and linked controls are in a `$pristine`\n   * state.\n   *\n   * However, if the method is used programmatically, for example by adding dynamically created controls,\n   * or controls that have been previously removed without destroying their corresponding DOM element,\n   * it's the developers responsibility to make sure the current state propagates to the parent form.\n   *\n   * For example, if an input control is added that is already `$dirty` and has `$error` properties,\n   * calling `$setDirty()` and `$validate()` afterwards will propagate the state to the parent form.\n   */\n  $addControl: function(control) {\n    // Breaking change - before, inputs whose name was \"hasOwnProperty\" were quietly ignored\n    // and not added to the scope.  Now we throw an error.\n    assertNotHasOwnProperty(control.$name, 'input');\n    this.$$controls.push(control);\n\n    if (control.$name) {\n      this[control.$name] = control;\n    }\n\n    control.$$parentForm = this;\n  },\n\n  /**\n   * @ngdoc method\n   * @name form.FormController#$getControls\n   * @returns {Array} the controls that are currently part of this form\n   *\n   * @description\n   * This method returns a **shallow copy** of the controls that are currently part of this form.\n   * The controls can be instances of {@link form.FormController `FormController`}\n   * ({@link ngForm \"child-forms\"}) and of {@link ngModel.NgModelController `NgModelController`}.\n   * If you need access to the controls of child-forms, you have to call `$getControls()`\n   * recursively on them.\n   * This can be used for example to iterate over all controls to validate them.\n   *\n   * The controls can be accessed normally, but adding to, or removing controls from the array has\n   * no effect on the form. Instead, use {@link form.FormController#$addControl `$addControl()`} and\n   * {@link form.FormController#$removeControl `$removeControl()`} for this use-case.\n   * Likewise, adding a control to, or removing a control from the form is not reflected\n   * in the shallow copy. That means you should get a fresh copy from `$getControls()` every time\n   * you need access to the controls.\n   */\n  $getControls: function() {\n    return shallowCopy(this.$$controls);\n  },\n\n  // Private API: rename a form control\n  $$renameControl: function(control, newName) {\n    var oldName = control.$name;\n\n    if (this[oldName] === control) {\n      delete this[oldName];\n    }\n    this[newName] = control;\n    control.$name = newName;\n  },\n\n  /**\n   * @ngdoc method\n   * @name form.FormController#$removeControl\n   * @param {object} control control object, either a {@link form.FormController} or an\n   * {@link ngModel.NgModelController}\n   *\n   * @description\n   * Deregister a control from the form.\n   *\n   * Input elements using ngModelController do this automatically when they are destroyed.\n   *\n   * Note that only the removed control's validation state (`$errors`etc.) will be removed from the\n   * form. `$dirty`, `$submitted` states will not be changed, because the expected behavior can be\n   * different from case to case. For example, removing the only `$dirty` control from a form may or\n   * may not mean that the form is still `$dirty`.\n   */\n  $removeControl: function(control) {\n    if (control.$name && this[control.$name] === control) {\n      delete this[control.$name];\n    }\n    forEach(this.$pending, function(value, name) {\n      // eslint-disable-next-line no-invalid-this\n      this.$setValidity(name, null, control);\n    }, this);\n    forEach(this.$error, function(value, name) {\n      // eslint-disable-next-line no-invalid-this\n      this.$setValidity(name, null, control);\n    }, this);\n    forEach(this.$$success, function(value, name) {\n      // eslint-disable-next-line no-invalid-this\n      this.$setValidity(name, null, control);\n    }, this);\n\n    arrayRemove(this.$$controls, control);\n    control.$$parentForm = nullFormCtrl;\n  },\n\n  /**\n   * @ngdoc method\n   * @name form.FormController#$setDirty\n   *\n   * @description\n   * Sets the form to a dirty state.\n   *\n   * This method can be called to add the 'ng-dirty' class and set the form to a dirty\n   * state (ng-dirty class). This method will also propagate to parent forms.\n   */\n  $setDirty: function() {\n    this.$$animate.removeClass(this.$$element, PRISTINE_CLASS);\n    this.$$animate.addClass(this.$$element, DIRTY_CLASS);\n    this.$dirty = true;\n    this.$pristine = false;\n    this.$$parentForm.$setDirty();\n  },\n\n  /**\n   * @ngdoc method\n   * @name form.FormController#$setPristine\n   *\n   * @description\n   * Sets the form to its pristine state.\n   *\n   * This method sets the form's `$pristine` state to true, the `$dirty` state to false, removes\n   * the `ng-dirty` class and adds the `ng-pristine` class. Additionally, it sets the `$submitted`\n   * state to false.\n   *\n   * This method will also propagate to all the controls contained in this form.\n   *\n   * Setting a form back to a pristine state is often useful when we want to 'reuse' a form after\n   * saving or resetting it.\n   */\n  $setPristine: function() {\n    this.$$animate.setClass(this.$$element, PRISTINE_CLASS, DIRTY_CLASS + ' ' + SUBMITTED_CLASS);\n    this.$dirty = false;\n    this.$pristine = true;\n    this.$submitted = false;\n    forEach(this.$$controls, function(control) {\n      control.$setPristine();\n    });\n  },\n\n  /**\n   * @ngdoc method\n   * @name form.FormController#$setUntouched\n   *\n   * @description\n   * Sets the form to its untouched state.\n   *\n   * This method can be called to remove the 'ng-touched' class and set the form controls to their\n   * untouched state (ng-untouched class).\n   *\n   * Setting a form controls back to their untouched state is often useful when setting the form\n   * back to its pristine state.\n   */\n  $setUntouched: function() {\n    forEach(this.$$controls, function(control) {\n      control.$setUntouched();\n    });\n  },\n\n  /**\n   * @ngdoc method\n   * @name form.FormController#$setSubmitted\n   *\n   * @description\n   * Sets the form to its `$submitted` state. This will also set `$submitted` on all child and\n   * parent forms of the form.\n   */\n  $setSubmitted: function() {\n    var rootForm = this;\n    while (rootForm.$$parentForm && (rootForm.$$parentForm !== nullFormCtrl)) {\n      rootForm = rootForm.$$parentForm;\n    }\n    rootForm.$$setSubmitted();\n  },\n\n  $$setSubmitted: function() {\n    this.$$animate.addClass(this.$$element, SUBMITTED_CLASS);\n    this.$submitted = true;\n    forEach(this.$$controls, function(control) {\n      if (control.$$setSubmitted) {\n        control.$$setSubmitted();\n      }\n    });\n  }\n};\n\n/**\n * @ngdoc method\n * @name form.FormController#$setValidity\n *\n * @description\n * Change the validity state of the form, and notify the parent form (if any).\n *\n * Application developers will rarely need to call this method directly. It is used internally, by\n * {@link ngModel.NgModelController#$setValidity NgModelController.$setValidity()}, to propagate a\n * control's validity state to the parent `FormController`.\n *\n * @param {string} validationErrorKey Name of the validator. The `validationErrorKey` will be\n *        assigned to either `$error[validationErrorKey]` or `$pending[validationErrorKey]` (for\n *        unfulfilled `$asyncValidators`), so that it is available for data-binding. The\n *        `validationErrorKey` should be in camelCase and will get converted into dash-case for\n *        class name. Example: `myError` will result in `ng-valid-my-error` and\n *        `ng-invalid-my-error` classes and can be bound to as `{{ someForm.$error.myError }}`.\n * @param {boolean} isValid Whether the current state is valid (true), invalid (false), pending\n *        (undefined),  or skipped (null). Pending is used for unfulfilled `$asyncValidators`.\n *        Skipped is used by AngularJS when validators do not run because of parse errors and when\n *        `$asyncValidators` do not run because any of the `$validators` failed.\n * @param {NgModelController | FormController} controller - The controller whose validity state is\n *        triggering the change.\n */\naddSetValidityMethod({\n  clazz: FormController,\n  set: function(object, property, controller) {\n    var list = object[property];\n    if (!list) {\n      object[property] = [controller];\n    } else {\n      var index = list.indexOf(controller);\n      if (index === -1) {\n        list.push(controller);\n      }\n    }\n  },\n  unset: function(object, property, controller) {\n    var list = object[property];\n    if (!list) {\n      return;\n    }\n    arrayRemove(list, controller);\n    if (list.length === 0) {\n      delete object[property];\n    }\n  }\n});\n\n/**\n * @ngdoc directive\n * @name ngForm\n * @restrict EAC\n *\n * @description\n * Helper directive that makes it possible to create control groups inside a\n * {@link ng.directive:form `form`} directive.\n * These \"child forms\" can be used, for example, to determine the validity of a sub-group of\n * controls.\n *\n * <div class=\"alert alert-danger\">\n * **Note**: `ngForm` cannot be used as a replacement for `<form>`, because it lacks its\n * [built-in HTML functionality](https://html.spec.whatwg.org/#the-form-element).\n * Specifically, you cannot submit `ngForm` like a `<form>` tag. That means,\n * you cannot send data to the server with `ngForm`, or integrate it with\n * {@link ng.directive:ngSubmit `ngSubmit`}.\n * </div>\n *\n * @param {string=} ngForm|name Name of the form. If specified, the form controller will\n *                              be published into the related scope, under this name.\n *\n */\n\n /**\n * @ngdoc directive\n * @name form\n * @restrict E\n *\n * @description\n * Directive that instantiates\n * {@link form.FormController FormController}.\n *\n * If the `name` attribute is specified, the form controller is published onto the current scope under\n * this name.\n *\n * ## Alias: {@link ng.directive:ngForm `ngForm`}\n *\n * In AngularJS, forms can be nested. This means that the outer form is valid when all of the child\n * forms are valid as well. However, browsers do not allow nesting of `<form>` elements, so\n * AngularJS provides the {@link ng.directive:ngForm `ngForm`} directive, which behaves identically to\n * `form` but can be nested. Nested forms can be useful, for example, if the validity of a sub-group\n * of controls needs to be determined.\n *\n * ## CSS classes\n *  - `ng-valid` is set if the form is valid.\n *  - `ng-invalid` is set if the form is invalid.\n *  - `ng-pending` is set if the form is pending.\n *  - `ng-pristine` is set if the form is pristine.\n *  - `ng-dirty` is set if the form is dirty.\n *  - `ng-submitted` is set if the form was submitted.\n *\n * Keep in mind that ngAnimate can detect each of these classes when added and removed.\n *\n *\n * ## Submitting a form and preventing the default action\n *\n * Since the role of forms in client-side AngularJS applications is different than in classical\n * roundtrip apps, it is desirable for the browser not to translate the form submission into a full\n * page reload that sends the data to the server. Instead some javascript logic should be triggered\n * to handle the form submission in an application-specific way.\n *\n * For this reason, AngularJS prevents the default action (form submission to the server) unless the\n * `<form>` element has an `action` attribute specified.\n *\n * You can use one of the following two ways to specify what javascript method should be called when\n * a form is submitted:\n *\n * - {@link ng.directive:ngSubmit ngSubmit} directive on the form element\n * - {@link ng.directive:ngClick ngClick} directive on the first\n  *  button or input field of type submit (input[type=submit])\n *\n * To prevent double execution of the handler, use only one of the {@link ng.directive:ngSubmit ngSubmit}\n * or {@link ng.directive:ngClick ngClick} directives.\n * This is because of the following form submission rules in the HTML specification:\n *\n * - If a form has only one input field then hitting enter in this field triggers form submit\n * (`ngSubmit`)\n * - if a form has 2+ input fields and no buttons or input[type=submit] then hitting enter\n * doesn't trigger submit\n * - if a form has one or more input fields and one or more buttons or input[type=submit] then\n * hitting enter in any of the input fields will trigger the click handler on the *first* button or\n * input[type=submit] (`ngClick`) *and* a submit handler on the enclosing form (`ngSubmit`)\n *\n * Any pending `ngModelOptions` changes will take place immediately when an enclosing form is\n * submitted. Note that `ngClick` events will occur before the model is updated. Use `ngSubmit`\n * to have access to the updated model.\n *\n * @animations\n * Animations in ngForm are triggered when any of the associated CSS classes are added and removed.\n * These classes are: `.ng-pristine`, `.ng-dirty`, `.ng-invalid` and `.ng-valid` as well as any\n * other validations that are performed within the form. Animations in ngForm are similar to how\n * they work in ngClass and animations can be hooked into using CSS transitions, keyframes as well\n * as JS animations.\n *\n * The following example shows a simple way to utilize CSS transitions to style a form element\n * that has been rendered as invalid after it has been validated:\n *\n * <pre>\n * //be sure to include ngAnimate as a module to hook into more\n * //advanced animations\n * .my-form {\n *   transition:0.5s linear all;\n *   background: white;\n * }\n * .my-form.ng-invalid {\n *   background: red;\n *   color:white;\n * }\n * </pre>\n *\n * @example\n    <example name=\"ng-form\" deps=\"angular-animate.js\" animations=\"true\" fixBase=\"true\" module=\"formExample\">\n      <file name=\"index.html\">\n       <script>\n         angular.module('formExample', [])\n           .controller('FormController', ['$scope', function($scope) {\n             $scope.userType = 'guest';\n           }]);\n       </script>\n       <style>\n        .my-form {\n          transition:all linear 0.5s;\n          background: transparent;\n        }\n        .my-form.ng-invalid {\n          background: red;\n        }\n       </style>\n       <form name=\"myForm\" ng-controller=\"FormController\" class=\"my-form\">\n         userType: <input name=\"input\" ng-model=\"userType\" required>\n         <span class=\"error\" ng-show=\"myForm.input.$error.required\">Required!</span><br>\n         <code>userType = {{userType}}</code><br>\n         <code>myForm.input.$valid = {{myForm.input.$valid}}</code><br>\n         <code>myForm.input.$error = {{myForm.input.$error}}</code><br>\n         <code>myForm.$valid = {{myForm.$valid}}</code><br>\n         <code>myForm.$error.required = {{!!myForm.$error.required}}</code><br>\n        </form>\n      </file>\n      <file name=\"protractor.js\" type=\"protractor\">\n        it('should initialize to model', function() {\n          var userType = element(by.binding('userType'));\n          var valid = element(by.binding('myForm.input.$valid'));\n\n          expect(userType.getText()).toContain('guest');\n          expect(valid.getText()).toContain('true');\n        });\n\n        it('should be invalid if empty', function() {\n          var userType = element(by.binding('userType'));\n          var valid = element(by.binding('myForm.input.$valid'));\n          var userInput = element(by.model('userType'));\n\n          userInput.clear();\n          userInput.sendKeys('');\n\n          expect(userType.getText()).toEqual('userType =');\n          expect(valid.getText()).toContain('false');\n        });\n      </file>\n    </example>\n *\n * @param {string=} name Name of the form. If specified, the form controller will be published into\n *                       related scope, under this name.\n */\nvar formDirectiveFactory = function(isNgForm) {\n  return ['$timeout', '$parse', function($timeout, $parse) {\n    var formDirective = {\n      name: 'form',\n      restrict: isNgForm ? 'EAC' : 'E',\n      require: ['form', '^^?form'], //first is the form's own ctrl, second is an optional parent form\n      controller: FormController,\n      compile: function ngFormCompile(formElement, attr) {\n        // Setup initial state of the control\n        formElement.addClass(PRISTINE_CLASS).addClass(VALID_CLASS);\n\n        var nameAttr = attr.name ? 'name' : (isNgForm && attr.ngForm ? 'ngForm' : false);\n\n        return {\n          pre: function ngFormPreLink(scope, formElement, attr, ctrls) {\n            var controller = ctrls[0];\n\n            // if `action` attr is not present on the form, prevent the default action (submission)\n            if (!('action' in attr)) {\n              // we can't use jq events because if a form is destroyed during submission the default\n              // action is not prevented. see #1238\n              //\n              // IE 9 is not affected because it doesn't fire a submit event and try to do a full\n              // page reload if the form was destroyed by submission of the form via a click handler\n              // on a button in the form. Looks like an IE9 specific bug.\n              var handleFormSubmission = function(event) {\n                scope.$apply(function() {\n                  controller.$commitViewValue();\n                  controller.$setSubmitted();\n                });\n\n                event.preventDefault();\n              };\n\n              formElement[0].addEventListener('submit', handleFormSubmission);\n\n              // unregister the preventDefault listener so that we don't not leak memory but in a\n              // way that will achieve the prevention of the default action.\n              formElement.on('$destroy', function() {\n                $timeout(function() {\n                  formElement[0].removeEventListener('submit', handleFormSubmission);\n                }, 0, false);\n              });\n            }\n\n            var parentFormCtrl = ctrls[1] || controller.$$parentForm;\n            parentFormCtrl.$addControl(controller);\n\n            var setter = nameAttr ? getSetter(controller.$name) : noop;\n\n            if (nameAttr) {\n              setter(scope, controller);\n              attr.$observe(nameAttr, function(newValue) {\n                if (controller.$name === newValue) return;\n                setter(scope, undefined);\n                controller.$$parentForm.$$renameControl(controller, newValue);\n                setter = getSetter(controller.$name);\n                setter(scope, controller);\n              });\n            }\n            formElement.on('$destroy', function() {\n              controller.$$parentForm.$removeControl(controller);\n              setter(scope, undefined);\n              extend(controller, nullFormCtrl); //stop propagating child destruction handlers upwards\n            });\n          }\n        };\n      }\n    };\n\n    return formDirective;\n\n    function getSetter(expression) {\n      if (expression === '') {\n        //create an assignable expression, so forms with an empty name can be renamed later\n        return $parse('this[\"\"]').assign;\n      }\n      return $parse(expression).assign || noop;\n    }\n  }];\n};\n\nvar formDirective = formDirectiveFactory();\nvar ngFormDirective = formDirectiveFactory(true);\n\n\n\n// helper methods\nfunction setupValidity(instance) {\n  instance.$$classCache = {};\n  instance.$$classCache[INVALID_CLASS] = !(instance.$$classCache[VALID_CLASS] = instance.$$element.hasClass(VALID_CLASS));\n}\nfunction addSetValidityMethod(context) {\n  var clazz = context.clazz,\n      set = context.set,\n      unset = context.unset;\n\n  clazz.prototype.$setValidity = function(validationErrorKey, state, controller) {\n    if (isUndefined(state)) {\n      createAndSet(this, '$pending', validationErrorKey, controller);\n    } else {\n      unsetAndCleanup(this, '$pending', validationErrorKey, controller);\n    }\n    if (!isBoolean(state)) {\n      unset(this.$error, validationErrorKey, controller);\n      unset(this.$$success, validationErrorKey, controller);\n    } else {\n      if (state) {\n        unset(this.$error, validationErrorKey, controller);\n        set(this.$$success, validationErrorKey, controller);\n      } else {\n        set(this.$error, validationErrorKey, controller);\n        unset(this.$$success, validationErrorKey, controller);\n      }\n    }\n    if (this.$pending) {\n      cachedToggleClass(this, PENDING_CLASS, true);\n      this.$valid = this.$invalid = undefined;\n      toggleValidationCss(this, '', null);\n    } else {\n      cachedToggleClass(this, PENDING_CLASS, false);\n      this.$valid = isObjectEmpty(this.$error);\n      this.$invalid = !this.$valid;\n      toggleValidationCss(this, '', this.$valid);\n    }\n\n    // re-read the state as the set/unset methods could have\n    // combined state in this.$error[validationError] (used for forms),\n    // where setting/unsetting only increments/decrements the value,\n    // and does not replace it.\n    var combinedState;\n    if (this.$pending && this.$pending[validationErrorKey]) {\n      combinedState = undefined;\n    } else if (this.$error[validationErrorKey]) {\n      combinedState = false;\n    } else if (this.$$success[validationErrorKey]) {\n      combinedState = true;\n    } else {\n      combinedState = null;\n    }\n\n    toggleValidationCss(this, validationErrorKey, combinedState);\n    this.$$parentForm.$setValidity(validationErrorKey, combinedState, this);\n  };\n\n  function createAndSet(ctrl, name, value, controller) {\n    if (!ctrl[name]) {\n      ctrl[name] = {};\n    }\n    set(ctrl[name], value, controller);\n  }\n\n  function unsetAndCleanup(ctrl, name, value, controller) {\n    if (ctrl[name]) {\n      unset(ctrl[name], value, controller);\n    }\n    if (isObjectEmpty(ctrl[name])) {\n      ctrl[name] = undefined;\n    }\n  }\n\n  function cachedToggleClass(ctrl, className, switchValue) {\n    if (switchValue && !ctrl.$$classCache[className]) {\n      ctrl.$$animate.addClass(ctrl.$$element, className);\n      ctrl.$$classCache[className] = true;\n    } else if (!switchValue && ctrl.$$classCache[className]) {\n      ctrl.$$animate.removeClass(ctrl.$$element, className);\n      ctrl.$$classCache[className] = false;\n    }\n  }\n\n  function toggleValidationCss(ctrl, validationErrorKey, isValid) {\n    validationErrorKey = validationErrorKey ? '-' + snake_case(validationErrorKey, '-') : '';\n\n    cachedToggleClass(ctrl, VALID_CLASS + validationErrorKey, isValid === true);\n    cachedToggleClass(ctrl, INVALID_CLASS + validationErrorKey, isValid === false);\n  }\n}\n\nfunction isObjectEmpty(obj) {\n  if (obj) {\n    for (var prop in obj) {\n      if (obj.hasOwnProperty(prop)) {\n        return false;\n      }\n    }\n  }\n  return true;\n}\n\n/* global\n  VALID_CLASS: false,\n  INVALID_CLASS: false,\n  PRISTINE_CLASS: false,\n  DIRTY_CLASS: false,\n  ngModelMinErr: false\n*/\n\n// Regex code was initially obtained from SO prior to modification: https://stackoverflow.com/questions/3143070/javascript-regex-iso-datetime#answer-3143231\nvar ISO_DATE_REGEXP = /^\\d{4,}-[01]\\d-[0-3]\\dT[0-2]\\d:[0-5]\\d:[0-5]\\d\\.\\d+(?:[+-][0-2]\\d:[0-5]\\d|Z)$/;\n// See valid URLs in RFC3987 (http://tools.ietf.org/html/rfc3987)\n// Note: We are being more lenient, because browsers are too.\n//   1. Scheme\n//   2. Slashes\n//   3. Username\n//   4. Password\n//   5. Hostname\n//   6. Port\n//   7. Path\n//   8. Query\n//   9. Fragment\n//                 1111111111111111 222   333333    44444        55555555555555555555555     666     77777777     8888888     999\nvar URL_REGEXP = /^[a-z][a-z\\d.+-]*:\\/*(?:[^:@]+(?::[^@]+)?@)?(?:[^\\s:/?#]+|\\[[a-f\\d:]+])(?::\\d+)?(?:\\/[^?#]*)?(?:\\?[^#]*)?(?:#.*)?$/i;\n// eslint-disable-next-line max-len\nvar EMAIL_REGEXP = /^(?=.{1,254}$)(?=.{1,64}@)[-!#$%&'*+/0-9=?A-Z^_`a-z{|}~]+(\\.[-!#$%&'*+/0-9=?A-Z^_`a-z{|}~]+)*@[A-Za-z0-9]([A-Za-z0-9-]{0,61}[A-Za-z0-9])?(\\.[A-Za-z0-9]([A-Za-z0-9-]{0,61}[A-Za-z0-9])?)*$/;\nvar NUMBER_REGEXP = /^\\s*(-|\\+)?(\\d+|(\\d*(\\.\\d*)))([eE][+-]?\\d+)?\\s*$/;\nvar DATE_REGEXP = /^(\\d{4,})-(\\d{2})-(\\d{2})$/;\nvar DATETIMELOCAL_REGEXP = /^(\\d{4,})-(\\d\\d)-(\\d\\d)T(\\d\\d):(\\d\\d)(?::(\\d\\d)(\\.\\d{1,3})?)?$/;\nvar WEEK_REGEXP = /^(\\d{4,})-W(\\d\\d)$/;\nvar MONTH_REGEXP = /^(\\d{4,})-(\\d\\d)$/;\nvar TIME_REGEXP = /^(\\d\\d):(\\d\\d)(?::(\\d\\d)(\\.\\d{1,3})?)?$/;\n\nvar PARTIAL_VALIDATION_EVENTS = 'keydown wheel mousedown';\nvar PARTIAL_VALIDATION_TYPES = createMap();\nforEach('date,datetime-local,month,time,week'.split(','), function(type) {\n  PARTIAL_VALIDATION_TYPES[type] = true;\n});\n\nvar inputType = {\n\n  /**\n   * @ngdoc input\n   * @name input[text]\n   *\n   * @description\n   * Standard HTML text input with AngularJS data binding, inherited by most of the `input` elements.\n   *\n   *\n   * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n   * @param {string=} name Property name of the form under which the control is published.\n   * @param {string=} required Adds `required` validation error key if the value is not entered.\n   * @param {string=} ngRequired Adds `required` attribute and `required` validation constraint to\n   *    the element when the ngRequired expression evaluates to true. Use `ngRequired` instead of\n   *    `required` when you want to data-bind to the `required` attribute.\n   * @param {number=} ngMinlength Sets `minlength` validation error key if the value is shorter than\n   *    minlength.\n   * @param {number=} ngMaxlength Sets `maxlength` validation error key if the value is longer than\n   *    maxlength. Setting the attribute to a negative or non-numeric value, allows view values of\n   *    any length.\n   * @param {string=} pattern Similar to `ngPattern` except that the attribute value is the actual string\n   *    that contains the regular expression body that will be converted to a regular expression\n   *    as in the ngPattern directive.\n   * @param {string=} ngPattern Sets `pattern` validation error key if the ngModel {@link ngModel.NgModelController#$viewValue $viewValue}\n   *    does not match a RegExp found by evaluating the AngularJS expression given in the attribute value.\n   *    If the expression evaluates to a RegExp object, then this is used directly.\n   *    If the expression evaluates to a string, then it will be converted to a RegExp\n   *    after wrapping it in `^` and `$` characters. For instance, `\"abc\"` will be converted to\n   *    `new RegExp('^abc$')`.<br />\n   *    **Note:** Avoid using the `g` flag on the RegExp, as it will cause each successive search to\n   *    start at the index of the last search's match, thus not taking the whole input value into\n   *    account.\n   * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n   *    interaction with the input element.\n   * @param {boolean=} [ngTrim=true] If set to false AngularJS will not automatically trim the input.\n   *    This parameter is ignored for input[type=password] controls, which will never trim the\n   *    input.\n   *\n   * @example\n      <example name=\"text-input-directive\" module=\"textInputExample\">\n        <file name=\"index.html\">\n         <script>\n           angular.module('textInputExample', [])\n             .controller('ExampleController', ['$scope', function($scope) {\n               $scope.example = {\n                 text: 'guest',\n                 word: /^\\s*\\w*\\s*$/\n               };\n             }]);\n         </script>\n         <form name=\"myForm\" ng-controller=\"ExampleController\">\n           <label>Single word:\n             <input type=\"text\" name=\"input\" ng-model=\"example.text\"\n                    ng-pattern=\"example.word\" required ng-trim=\"false\">\n           </label>\n           <div role=\"alert\">\n             <span class=\"error\" ng-show=\"myForm.input.$error.required\">\n               Required!</span>\n             <span class=\"error\" ng-show=\"myForm.input.$error.pattern\">\n               Single word only!</span>\n           </div>\n           <code>text = {{example.text}}</code><br/>\n           <code>myForm.input.$valid = {{myForm.input.$valid}}</code><br/>\n           <code>myForm.input.$error = {{myForm.input.$error}}</code><br/>\n           <code>myForm.$valid = {{myForm.$valid}}</code><br/>\n           <code>myForm.$error.required = {{!!myForm.$error.required}}</code><br/>\n          </form>\n        </file>\n        <file name=\"protractor.js\" type=\"protractor\">\n          var text = element(by.binding('example.text'));\n          var valid = element(by.binding('myForm.input.$valid'));\n          var input = element(by.model('example.text'));\n\n          it('should initialize to model', function() {\n            expect(text.getText()).toContain('guest');\n            expect(valid.getText()).toContain('true');\n          });\n\n          it('should be invalid if empty', function() {\n            input.clear();\n            input.sendKeys('');\n\n            expect(text.getText()).toEqual('text =');\n            expect(valid.getText()).toContain('false');\n          });\n\n          it('should be invalid if multi word', function() {\n            input.clear();\n            input.sendKeys('hello world');\n\n            expect(valid.getText()).toContain('false');\n          });\n        </file>\n      </example>\n   */\n  'text': textInputType,\n\n    /**\n     * @ngdoc input\n     * @name input[date]\n     *\n     * @description\n     * Input with date validation and transformation. In browsers that do not yet support\n     * the HTML5 date input, a text element will be used. In that case, text must be entered in a valid ISO-8601\n     * date format (yyyy-MM-dd), for example: `2009-01-06`. Since many\n     * modern browsers do not yet support this input type, it is important to provide cues to users on the\n     * expected input format via a placeholder or label.\n     *\n     * The model must always be a Date object, otherwise AngularJS will throw an error.\n     * Invalid `Date` objects (dates whose `getTime()` is `NaN`) will be rendered as an empty string.\n     *\n     * The timezone to be used to read/write the `Date` instance in the model can be defined using\n     * {@link ng.directive:ngModelOptions ngModelOptions}. By default, this is the timezone of the browser.\n     *\n     * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n     * @param {string=} name Property name of the form under which the control is published.\n     * @param {string=} min Sets the `min` validation error key if the value entered is less than `min`. This must be a\n     *   valid ISO date string (yyyy-MM-dd). You can also use interpolation inside this attribute\n     *   (e.g. `min=\"{{minDate | date:'yyyy-MM-dd'}}\"`). Note that `min` will also add native HTML5\n     *   constraint validation.\n     * @param {string=} max Sets the `max` validation error key if the value entered is greater than `max`. This must be\n     *   a valid ISO date string (yyyy-MM-dd). You can also use interpolation inside this attribute\n     *   (e.g. `max=\"{{maxDate | date:'yyyy-MM-dd'}}\"`). Note that `max` will also add native HTML5\n     *   constraint validation.\n     * @param {(date|string)=} ngMin Sets the `min` validation constraint to the Date / ISO date string\n     *   the `ngMin` expression evaluates to. Note that it does not set the `min` attribute.\n     * @param {(date|string)=} ngMax Sets the `max` validation constraint to the Date / ISO date string\n     *   the `ngMax` expression evaluates to. Note that it does not set the `max` attribute.\n     * @param {string=} required Sets `required` validation error key if the value is not entered.\n     * @param {string=} ngRequired Adds `required` attribute and `required` validation constraint to\n     *    the element when the ngRequired expression evaluates to true. Use `ngRequired` instead of\n     *    `required` when you want to data-bind to the `required` attribute.\n     * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n     *    interaction with the input element.\n     *\n     * @example\n     <example name=\"date-input-directive\" module=\"dateInputExample\">\n     <file name=\"index.html\">\n       <script>\n          angular.module('dateInputExample', [])\n            .controller('DateController', ['$scope', function($scope) {\n              $scope.example = {\n                value: new Date(2013, 9, 22)\n              };\n            }]);\n       </script>\n       <form name=\"myForm\" ng-controller=\"DateController as dateCtrl\">\n          <label for=\"exampleInput\">Pick a date in 2013:</label>\n          <input type=\"date\" id=\"exampleInput\" name=\"input\" ng-model=\"example.value\"\n              placeholder=\"yyyy-MM-dd\" min=\"2013-01-01\" max=\"2013-12-31\" required />\n          <div role=\"alert\">\n            <span class=\"error\" ng-show=\"myForm.input.$error.required\">\n                Required!</span>\n            <span class=\"error\" ng-show=\"myForm.input.$error.date\">\n                Not a valid date!</span>\n           </div>\n           <tt>value = {{example.value | date: \"yyyy-MM-dd\"}}</tt><br/>\n           <tt>myForm.input.$valid = {{myForm.input.$valid}}</tt><br/>\n           <tt>myForm.input.$error = {{myForm.input.$error}}</tt><br/>\n           <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>\n           <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>\n       </form>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n        var value = element(by.binding('example.value | date: \"yyyy-MM-dd\"'));\n        var valid = element(by.binding('myForm.input.$valid'));\n\n        // currently protractor/webdriver does not support\n        // sending keys to all known HTML5 input controls\n        // for various browsers (see https://github.com/angular/protractor/issues/562).\n        function setInput(val) {\n          // set the value of the element and force validation.\n          var scr = \"var ipt = document.getElementById('exampleInput'); \" +\n          \"ipt.value = '\" + val + \"';\" +\n          \"angular.element(ipt).scope().$apply(function(s) { s.myForm[ipt.name].$setViewValue('\" + val + \"'); });\";\n          browser.executeScript(scr);\n        }\n\n        it('should initialize to model', function() {\n          expect(value.getText()).toContain('2013-10-22');\n          expect(valid.getText()).toContain('myForm.input.$valid = true');\n        });\n\n        it('should be invalid if empty', function() {\n          setInput('');\n          expect(value.getText()).toEqual('value =');\n          expect(valid.getText()).toContain('myForm.input.$valid = false');\n        });\n\n        it('should be invalid if over max', function() {\n          setInput('2015-01-01');\n          expect(value.getText()).toContain('');\n          expect(valid.getText()).toContain('myForm.input.$valid = false');\n        });\n     </file>\n     </example>\n     */\n  'date': createDateInputType('date', DATE_REGEXP,\n         createDateParser(DATE_REGEXP, ['yyyy', 'MM', 'dd']),\n         'yyyy-MM-dd'),\n\n   /**\n    * @ngdoc input\n    * @name input[datetime-local]\n    *\n    * @description\n    * Input with datetime validation and transformation. In browsers that do not yet support\n    * the HTML5 date input, a text element will be used. In that case, the text must be entered in a valid ISO-8601\n    * local datetime format (yyyy-MM-ddTHH:mm:ss), for example: `2010-12-28T14:57:00`.\n    *\n    * The model must always be a Date object, otherwise AngularJS will throw an error.\n    * Invalid `Date` objects (dates whose `getTime()` is `NaN`) will be rendered as an empty string.\n    *\n    * The timezone to be used to read/write the `Date` instance in the model can be defined using\n    * {@link ng.directive:ngModelOptions ngModelOptions}. By default, this is the timezone of the browser.\n    *\n    * The format of the displayed time can be adjusted with the\n    * {@link ng.directive:ngModelOptions#ngModelOptions-arguments ngModelOptions} `timeSecondsFormat`\n    * and `timeStripZeroSeconds`.\n    *\n    * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n    * @param {string=} name Property name of the form under which the control is published.\n    * @param {string=} min Sets the `min` validation error key if the value entered is less than `min`.\n    *   This must be a valid ISO datetime format (yyyy-MM-ddTHH:mm:ss). You can also use interpolation\n    *   inside this attribute (e.g. `min=\"{{minDatetimeLocal | date:'yyyy-MM-ddTHH:mm:ss'}}\"`).\n    *   Note that `min` will also add native HTML5 constraint validation.\n    * @param {string=} max Sets the `max` validation error key if the value entered is greater than `max`.\n    *   This must be a valid ISO datetime format (yyyy-MM-ddTHH:mm:ss). You can also use interpolation\n    *   inside this attribute (e.g. `max=\"{{maxDatetimeLocal | date:'yyyy-MM-ddTHH:mm:ss'}}\"`).\n    *   Note that `max` will also add native HTML5 constraint validation.\n    * @param {(date|string)=} ngMin Sets the `min` validation error key to the Date / ISO datetime string\n    *   the `ngMin` expression evaluates to. Note that it does not set the `min` attribute.\n    * @param {(date|string)=} ngMax Sets the `max` validation error key to the Date / ISO datetime string\n    *   the `ngMax` expression evaluates to. Note that it does not set the `max` attribute.\n    * @param {string=} required Sets `required` validation error key if the value is not entered.\n    * @param {string=} ngRequired Adds `required` attribute and `required` validation constraint to\n    *    the element when the ngRequired expression evaluates to true. Use `ngRequired` instead of\n    *    `required` when you want to data-bind to the `required` attribute.\n    * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n    *    interaction with the input element.\n    *\n    * @example\n    <example name=\"datetimelocal-input-directive\" module=\"dateExample\">\n    <file name=\"index.html\">\n      <script>\n        angular.module('dateExample', [])\n          .controller('DateController', ['$scope', function($scope) {\n            $scope.example = {\n              value: new Date(2010, 11, 28, 14, 57)\n            };\n          }]);\n      </script>\n      <form name=\"myForm\" ng-controller=\"DateController as dateCtrl\">\n        <label for=\"exampleInput\">Pick a date between in 2013:</label>\n        <input type=\"datetime-local\" id=\"exampleInput\" name=\"input\" ng-model=\"example.value\"\n            placeholder=\"yyyy-MM-ddTHH:mm:ss\" min=\"2001-01-01T00:00:00\" max=\"2013-12-31T00:00:00\" required />\n        <div role=\"alert\">\n          <span class=\"error\" ng-show=\"myForm.input.$error.required\">\n              Required!</span>\n          <span class=\"error\" ng-show=\"myForm.input.$error.datetimelocal\">\n              Not a valid date!</span>\n        </div>\n        <tt>value = {{example.value | date: \"yyyy-MM-ddTHH:mm:ss\"}}</tt><br/>\n        <tt>myForm.input.$valid = {{myForm.input.$valid}}</tt><br/>\n        <tt>myForm.input.$error = {{myForm.input.$error}}</tt><br/>\n        <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>\n        <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>\n      </form>\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n      var value = element(by.binding('example.value | date: \"yyyy-MM-ddTHH:mm:ss\"'));\n      var valid = element(by.binding('myForm.input.$valid'));\n\n      // currently protractor/webdriver does not support\n      // sending keys to all known HTML5 input controls\n      // for various browsers (https://github.com/angular/protractor/issues/562).\n      function setInput(val) {\n        // set the value of the element and force validation.\n        var scr = \"var ipt = document.getElementById('exampleInput'); \" +\n        \"ipt.value = '\" + val + \"';\" +\n        \"angular.element(ipt).scope().$apply(function(s) { s.myForm[ipt.name].$setViewValue('\" + val + \"'); });\";\n        browser.executeScript(scr);\n      }\n\n      it('should initialize to model', function() {\n        expect(value.getText()).toContain('2010-12-28T14:57:00');\n        expect(valid.getText()).toContain('myForm.input.$valid = true');\n      });\n\n      it('should be invalid if empty', function() {\n        setInput('');\n        expect(value.getText()).toEqual('value =');\n        expect(valid.getText()).toContain('myForm.input.$valid = false');\n      });\n\n      it('should be invalid if over max', function() {\n        setInput('2015-01-01T23:59:00');\n        expect(value.getText()).toContain('');\n        expect(valid.getText()).toContain('myForm.input.$valid = false');\n      });\n    </file>\n    </example>\n    */\n  'datetime-local': createDateInputType('datetimelocal', DATETIMELOCAL_REGEXP,\n      createDateParser(DATETIMELOCAL_REGEXP, ['yyyy', 'MM', 'dd', 'HH', 'mm', 'ss', 'sss']),\n      'yyyy-MM-ddTHH:mm:ss.sss'),\n\n  /**\n   * @ngdoc input\n   * @name input[time]\n   *\n   * @description\n   * Input with time validation and transformation. In browsers that do not yet support\n   * the HTML5 time input, a text element will be used. In that case, the text must be entered in a valid ISO-8601\n   * local time format (HH:mm:ss), for example: `14:57:00`. Model must be a Date object. This binding will always output a\n   * Date object to the model of January 1, 1970, or local date `new Date(1970, 0, 1, HH, mm, ss)`.\n   *\n   * The model must always be a Date object, otherwise AngularJS will throw an error.\n   * Invalid `Date` objects (dates whose `getTime()` is `NaN`) will be rendered as an empty string.\n   *\n   * The timezone to be used to read/write the `Date` instance in the model can be defined using\n   * {@link ng.directive:ngModelOptions#ngModelOptions-arguments ngModelOptions}. By default,\n   * this is the timezone of the browser.\n   *\n   * The format of the displayed time can be adjusted with the\n   * {@link ng.directive:ngModelOptions#ngModelOptions-arguments ngModelOptions} `timeSecondsFormat`\n   * and `timeStripZeroSeconds`.\n   *\n   * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n   * @param {string=} name Property name of the form under which the control is published.\n   * @param {string=} min Sets the `min` validation error key if the value entered is less than `min`.\n   *   This must be a valid ISO time format (HH:mm:ss). You can also use interpolation inside this\n   *   attribute (e.g. `min=\"{{minTime | date:'HH:mm:ss'}}\"`). Note that `min` will also add\n   *   native HTML5 constraint validation.\n   * @param {string=} max Sets the `max` validation error key if the value entered is greater than `max`.\n   *   This must be a valid ISO time format (HH:mm:ss). You can also use interpolation inside this\n   *   attribute (e.g. `max=\"{{maxTime | date:'HH:mm:ss'}}\"`). Note that `max` will also add\n   *   native HTML5 constraint validation.\n   * @param {(date|string)=} ngMin Sets the `min` validation constraint to the Date / ISO time string the\n   *   `ngMin` expression evaluates to. Note that it does not set the `min` attribute.\n   * @param {(date|string)=} ngMax Sets the `max` validation constraint to the Date / ISO time string the\n   *   `ngMax` expression evaluates to. Note that it does not set the `max` attribute.\n   * @param {string=} required Sets `required` validation error key if the value is not entered.\n   * @param {string=} ngRequired Adds `required` attribute and `required` validation constraint to\n   *    the element when the ngRequired expression evaluates to true. Use `ngRequired` instead of\n   *    `required` when you want to data-bind to the `required` attribute.\n   * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n   *    interaction with the input element.\n   *\n   * @example\n   <example name=\"time-input-directive\" module=\"timeExample\">\n   <file name=\"index.html\">\n     <script>\n      angular.module('timeExample', [])\n        .controller('DateController', ['$scope', function($scope) {\n          $scope.example = {\n            value: new Date(1970, 0, 1, 14, 57, 0)\n          };\n        }]);\n     </script>\n     <form name=\"myForm\" ng-controller=\"DateController as dateCtrl\">\n        <label for=\"exampleInput\">Pick a time between 8am and 5pm:</label>\n        <input type=\"time\" id=\"exampleInput\" name=\"input\" ng-model=\"example.value\"\n            placeholder=\"HH:mm:ss\" min=\"08:00:00\" max=\"17:00:00\" required />\n        <div role=\"alert\">\n          <span class=\"error\" ng-show=\"myForm.input.$error.required\">\n              Required!</span>\n          <span class=\"error\" ng-show=\"myForm.input.$error.time\">\n              Not a valid date!</span>\n        </div>\n        <tt>value = {{example.value | date: \"HH:mm:ss\"}}</tt><br/>\n        <tt>myForm.input.$valid = {{myForm.input.$valid}}</tt><br/>\n        <tt>myForm.input.$error = {{myForm.input.$error}}</tt><br/>\n        <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>\n        <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>\n     </form>\n   </file>\n   <file name=\"protractor.js\" type=\"protractor\">\n      var value = element(by.binding('example.value | date: \"HH:mm:ss\"'));\n      var valid = element(by.binding('myForm.input.$valid'));\n\n      // currently protractor/webdriver does not support\n      // sending keys to all known HTML5 input controls\n      // for various browsers (https://github.com/angular/protractor/issues/562).\n      function setInput(val) {\n        // set the value of the element and force validation.\n        var scr = \"var ipt = document.getElementById('exampleInput'); \" +\n        \"ipt.value = '\" + val + \"';\" +\n        \"angular.element(ipt).scope().$apply(function(s) { s.myForm[ipt.name].$setViewValue('\" + val + \"'); });\";\n        browser.executeScript(scr);\n      }\n\n      it('should initialize to model', function() {\n        expect(value.getText()).toContain('14:57:00');\n        expect(valid.getText()).toContain('myForm.input.$valid = true');\n      });\n\n      it('should be invalid if empty', function() {\n        setInput('');\n        expect(value.getText()).toEqual('value =');\n        expect(valid.getText()).toContain('myForm.input.$valid = false');\n      });\n\n      it('should be invalid if over max', function() {\n        setInput('23:59:00');\n        expect(value.getText()).toContain('');\n        expect(valid.getText()).toContain('myForm.input.$valid = false');\n      });\n   </file>\n   </example>\n   */\n  'time': createDateInputType('time', TIME_REGEXP,\n      createDateParser(TIME_REGEXP, ['HH', 'mm', 'ss', 'sss']),\n     'HH:mm:ss.sss'),\n\n   /**\n    * @ngdoc input\n    * @name input[week]\n    *\n    * @description\n    * Input with week-of-the-year validation and transformation to Date. In browsers that do not yet support\n    * the HTML5 week input, a text element will be used. In that case, the text must be entered in a valid ISO-8601\n    * week format (yyyy-W##), for example: `2013-W02`.\n    *\n    * The model must always be a Date object, otherwise AngularJS will throw an error.\n    * Invalid `Date` objects (dates whose `getTime()` is `NaN`) will be rendered as an empty string.\n    *\n    * The value of the resulting Date object will be set to Thursday at 00:00:00 of the requested week,\n    * due to ISO-8601 week numbering standards. Information on ISO's system for numbering the weeks of the\n    * year can be found at: https://en.wikipedia.org/wiki/ISO_8601#Week_dates\n    *\n    * The timezone to be used to read/write the `Date` instance in the model can be defined using\n    * {@link ng.directive:ngModelOptions ngModelOptions}. By default, this is the timezone of the browser.\n    *\n    * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n    * @param {string=} name Property name of the form under which the control is published.\n    * @param {string=} min Sets the `min` validation error key if the value entered is less than `min`.\n    *   This must be a valid ISO week format (yyyy-W##). You can also use interpolation inside this\n    *   attribute (e.g. `min=\"{{minWeek | date:'yyyy-Www'}}\"`). Note that `min` will also add\n    *   native HTML5 constraint validation.\n    * @param {string=} max Sets the `max` validation error key if the value entered is greater than `max`.\n    *   This must be a valid ISO week format (yyyy-W##). You can also use interpolation inside this\n    *   attribute (e.g. `max=\"{{maxWeek | date:'yyyy-Www'}}\"`). Note that `max` will also add\n    *   native HTML5 constraint validation.\n    * @param {(date|string)=} ngMin Sets the `min` validation constraint to the Date / ISO week string\n    *   the `ngMin` expression evaluates to. Note that it does not set the `min` attribute.\n    * @param {(date|string)=} ngMax Sets the `max` validation constraint to the Date / ISO week string\n    *   the `ngMax` expression evaluates to. Note that it does not set the `max` attribute.\n    * @param {string=} required Sets `required` validation error key if the value is not entered.\n    * @param {string=} ngRequired Adds `required` attribute and `required` validation constraint to\n    *    the element when the ngRequired expression evaluates to true. Use `ngRequired` instead of\n    *    `required` when you want to data-bind to the `required` attribute.\n    * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n    *    interaction with the input element.\n    *\n    * @example\n    <example name=\"week-input-directive\" module=\"weekExample\">\n    <file name=\"index.html\">\n      <script>\n      angular.module('weekExample', [])\n        .controller('DateController', ['$scope', function($scope) {\n          $scope.example = {\n            value: new Date(2013, 0, 3)\n          };\n        }]);\n      </script>\n      <form name=\"myForm\" ng-controller=\"DateController as dateCtrl\">\n        <label>Pick a date between in 2013:\n          <input id=\"exampleInput\" type=\"week\" name=\"input\" ng-model=\"example.value\"\n                 placeholder=\"YYYY-W##\" min=\"2012-W32\"\n                 max=\"2013-W52\" required />\n        </label>\n        <div role=\"alert\">\n          <span class=\"error\" ng-show=\"myForm.input.$error.required\">\n              Required!</span>\n          <span class=\"error\" ng-show=\"myForm.input.$error.week\">\n              Not a valid date!</span>\n        </div>\n        <tt>value = {{example.value | date: \"yyyy-Www\"}}</tt><br/>\n        <tt>myForm.input.$valid = {{myForm.input.$valid}}</tt><br/>\n        <tt>myForm.input.$error = {{myForm.input.$error}}</tt><br/>\n        <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>\n        <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>\n      </form>\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n      var value = element(by.binding('example.value | date: \"yyyy-Www\"'));\n      var valid = element(by.binding('myForm.input.$valid'));\n\n      // currently protractor/webdriver does not support\n      // sending keys to all known HTML5 input controls\n      // for various browsers (https://github.com/angular/protractor/issues/562).\n      function setInput(val) {\n        // set the value of the element and force validation.\n        var scr = \"var ipt = document.getElementById('exampleInput'); \" +\n        \"ipt.value = '\" + val + \"';\" +\n        \"angular.element(ipt).scope().$apply(function(s) { s.myForm[ipt.name].$setViewValue('\" + val + \"'); });\";\n        browser.executeScript(scr);\n      }\n\n      it('should initialize to model', function() {\n        expect(value.getText()).toContain('2013-W01');\n        expect(valid.getText()).toContain('myForm.input.$valid = true');\n      });\n\n      it('should be invalid if empty', function() {\n        setInput('');\n        expect(value.getText()).toEqual('value =');\n        expect(valid.getText()).toContain('myForm.input.$valid = false');\n      });\n\n      it('should be invalid if over max', function() {\n        setInput('2015-W01');\n        expect(value.getText()).toContain('');\n        expect(valid.getText()).toContain('myForm.input.$valid = false');\n      });\n    </file>\n    </example>\n    */\n  'week': createDateInputType('week', WEEK_REGEXP, weekParser, 'yyyy-Www'),\n\n  /**\n   * @ngdoc input\n   * @name input[month]\n   *\n   * @description\n   * Input with month validation and transformation. In browsers that do not yet support\n   * the HTML5 month input, a text element will be used. In that case, the text must be entered in a valid ISO-8601\n   * month format (yyyy-MM), for example: `2009-01`.\n   *\n   * The model must always be a Date object, otherwise AngularJS will throw an error.\n   * Invalid `Date` objects (dates whose `getTime()` is `NaN`) will be rendered as an empty string.\n   * If the model is not set to the first of the month, the next view to model update will set it\n   * to the first of the month.\n   *\n   * The timezone to be used to read/write the `Date` instance in the model can be defined using\n   * {@link ng.directive:ngModelOptions ngModelOptions}. By default, this is the timezone of the browser.\n   *\n   * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n   * @param {string=} name Property name of the form under which the control is published.\n   * @param {string=} min Sets the `min` validation error key if the value entered is less than `min`.\n   *   This must be a valid ISO month format (yyyy-MM). You can also use interpolation inside this\n   *   attribute (e.g. `min=\"{{minMonth | date:'yyyy-MM'}}\"`). Note that `min` will also add\n   *   native HTML5 constraint validation.\n   * @param {string=} max Sets the `max` validation error key if the value entered is greater than `max`.\n   *   This must be a valid ISO month format (yyyy-MM). You can also use interpolation inside this\n   *   attribute (e.g. `max=\"{{maxMonth | date:'yyyy-MM'}}\"`). Note that `max` will also add\n   *   native HTML5 constraint validation.\n   * @param {(date|string)=} ngMin Sets the `min` validation constraint to the Date / ISO week string\n   *   the `ngMin` expression evaluates to. Note that it does not set the `min` attribute.\n   * @param {(date|string)=} ngMax Sets the `max` validation constraint to the Date / ISO week string\n   *   the `ngMax` expression evaluates to. Note that it does not set the `max` attribute.\n\n   * @param {string=} required Sets `required` validation error key if the value is not entered.\n   * @param {string=} ngRequired Adds `required` attribute and `required` validation constraint to\n   *    the element when the ngRequired expression evaluates to true. Use `ngRequired` instead of\n   *    `required` when you want to data-bind to the `required` attribute.\n   * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n   *    interaction with the input element.\n   *\n   * @example\n   <example name=\"month-input-directive\" module=\"monthExample\">\n   <file name=\"index.html\">\n     <script>\n      angular.module('monthExample', [])\n        .controller('DateController', ['$scope', function($scope) {\n          $scope.example = {\n            value: new Date(2013, 9, 1)\n          };\n        }]);\n     </script>\n     <form name=\"myForm\" ng-controller=\"DateController as dateCtrl\">\n       <label for=\"exampleInput\">Pick a month in 2013:</label>\n       <input id=\"exampleInput\" type=\"month\" name=\"input\" ng-model=\"example.value\"\n          placeholder=\"yyyy-MM\" min=\"2013-01\" max=\"2013-12\" required />\n       <div role=\"alert\">\n         <span class=\"error\" ng-show=\"myForm.input.$error.required\">\n            Required!</span>\n         <span class=\"error\" ng-show=\"myForm.input.$error.month\">\n            Not a valid month!</span>\n       </div>\n       <tt>value = {{example.value | date: \"yyyy-MM\"}}</tt><br/>\n       <tt>myForm.input.$valid = {{myForm.input.$valid}}</tt><br/>\n       <tt>myForm.input.$error = {{myForm.input.$error}}</tt><br/>\n       <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>\n       <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>\n     </form>\n   </file>\n   <file name=\"protractor.js\" type=\"protractor\">\n      var value = element(by.binding('example.value | date: \"yyyy-MM\"'));\n      var valid = element(by.binding('myForm.input.$valid'));\n\n      // currently protractor/webdriver does not support\n      // sending keys to all known HTML5 input controls\n      // for various browsers (https://github.com/angular/protractor/issues/562).\n      function setInput(val) {\n        // set the value of the element and force validation.\n        var scr = \"var ipt = document.getElementById('exampleInput'); \" +\n        \"ipt.value = '\" + val + \"';\" +\n        \"angular.element(ipt).scope().$apply(function(s) { s.myForm[ipt.name].$setViewValue('\" + val + \"'); });\";\n        browser.executeScript(scr);\n      }\n\n      it('should initialize to model', function() {\n        expect(value.getText()).toContain('2013-10');\n        expect(valid.getText()).toContain('myForm.input.$valid = true');\n      });\n\n      it('should be invalid if empty', function() {\n        setInput('');\n        expect(value.getText()).toEqual('value =');\n        expect(valid.getText()).toContain('myForm.input.$valid = false');\n      });\n\n      it('should be invalid if over max', function() {\n        setInput('2015-01');\n        expect(value.getText()).toContain('');\n        expect(valid.getText()).toContain('myForm.input.$valid = false');\n      });\n   </file>\n   </example>\n   */\n  'month': createDateInputType('month', MONTH_REGEXP,\n     createDateParser(MONTH_REGEXP, ['yyyy', 'MM']),\n     'yyyy-MM'),\n\n  /**\n   * @ngdoc input\n   * @name input[number]\n   *\n   * @description\n   * Text input with number validation and transformation. Sets the `number` validation\n   * error if not a valid number.\n   *\n   * <div class=\"alert alert-warning\">\n   * The model must always be of type `number` otherwise AngularJS will throw an error.\n   * Be aware that a string containing a number is not enough. See the {@link ngModel:numfmt}\n   * error docs for more information and an example of how to convert your model if necessary.\n   * </div>\n   *\n   *\n   *\n   * @knownIssue\n   *\n   * ### HTML5 constraint validation and `allowInvalid`\n   *\n   * In browsers that follow the\n   * [HTML5 specification](https://html.spec.whatwg.org/multipage/forms.html#number-state-%28type=number%29),\n   * `input[number]` does not work as expected with {@link ngModelOptions `ngModelOptions.allowInvalid`}.\n   * If a non-number is entered in the input, the browser will report the value as an empty string,\n   * which means the view / model values in `ngModel` and subsequently the scope value\n   * will also be an empty string.\n   *\n   * @knownIssue\n   *\n   * ### Large numbers and `step` validation\n   *\n   * The `step` validation will not work correctly for very large numbers (e.g. 9999999999) due to\n   * Javascript's arithmetic limitations. If you need to handle large numbers, purpose-built\n   * libraries (e.g. https://github.com/MikeMcl/big.js/), can be included into AngularJS by\n   * {@link guide/forms#modifying-built-in-validators overwriting the validators}\n   * for `number` and / or `step`, or by {@link guide/forms#custom-validation applying custom validators}\n   * to an `input[text]` element. The source for `input[number]` type can be used as a starting\n   * point for both implementations.\n   *\n   * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n   * @param {string=} name Property name of the form under which the control is published.\n   * @param {string=} min Sets the `min` validation error key if the value entered is less than `min`.\n   *    Can be interpolated.\n   * @param {string=} max Sets the `max` validation error key if the value entered is greater than `max`.\n   *    Can be interpolated.\n   * @param {string=} ngMin Like `min`, sets the `min` validation error key if the value entered is less than `ngMin`,\n   *    but does not trigger HTML5 native validation. Takes an expression.\n   * @param {string=} ngMax Like `max`, sets the `max` validation error key if the value entered is greater than `ngMax`,\n   *    but does not trigger HTML5 native validation. Takes an expression.\n   * @param {string=} step Sets the `step` validation error key if the value entered does not fit the `step` constraint.\n   *    Can be interpolated.\n   * @param {string=} ngStep Like `step`, sets the `step` validation error key if the value entered does not fit the `ngStep` constraint,\n   *    but does not trigger HTML5 native validation. Takes an expression.\n   * @param {string=} required Sets `required` validation error key if the value is not entered.\n   * @param {string=} ngRequired Adds `required` attribute and `required` validation constraint to\n   *    the element when the ngRequired expression evaluates to true. Use `ngRequired` instead of\n   *    `required` when you want to data-bind to the `required` attribute.\n   * @param {number=} ngMinlength Sets `minlength` validation error key if the value is shorter than\n   *    minlength.\n   * @param {number=} ngMaxlength Sets `maxlength` validation error key if the value is longer than\n   *    maxlength. Setting the attribute to a negative or non-numeric value, allows view values of\n   *    any length.\n   * @param {string=} pattern Similar to `ngPattern` except that the attribute value is the actual string\n   *    that contains the regular expression body that will be converted to a regular expression\n   *    as in the ngPattern directive.\n   * @param {string=} ngPattern Sets `pattern` validation error key if the ngModel {@link ngModel.NgModelController#$viewValue $viewValue}\n   *    does not match a RegExp found by evaluating the AngularJS expression given in the attribute value.\n   *    If the expression evaluates to a RegExp object, then this is used directly.\n   *    If the expression evaluates to a string, then it will be converted to a RegExp\n   *    after wrapping it in `^` and `$` characters. For instance, `\"abc\"` will be converted to\n   *    `new RegExp('^abc$')`.<br />\n   *    **Note:** Avoid using the `g` flag on the RegExp, as it will cause each successive search to\n   *    start at the index of the last search's match, thus not taking the whole input value into\n   *    account.\n   * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n   *    interaction with the input element.\n   *\n   * @example\n      <example name=\"number-input-directive\" module=\"numberExample\">\n        <file name=\"index.html\">\n         <script>\n           angular.module('numberExample', [])\n             .controller('ExampleController', ['$scope', function($scope) {\n               $scope.example = {\n                 value: 12\n               };\n             }]);\n         </script>\n         <form name=\"myForm\" ng-controller=\"ExampleController\">\n           <label>Number:\n             <input type=\"number\" name=\"input\" ng-model=\"example.value\"\n                    min=\"0\" max=\"99\" required>\n          </label>\n           <div role=\"alert\">\n             <span class=\"error\" ng-show=\"myForm.input.$error.required\">\n               Required!</span>\n             <span class=\"error\" ng-show=\"myForm.input.$error.number\">\n               Not valid number!</span>\n           </div>\n           <tt>value = {{example.value}}</tt><br/>\n           <tt>myForm.input.$valid = {{myForm.input.$valid}}</tt><br/>\n           <tt>myForm.input.$error = {{myForm.input.$error}}</tt><br/>\n           <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>\n           <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>\n          </form>\n        </file>\n        <file name=\"protractor.js\" type=\"protractor\">\n          var value = element(by.binding('example.value'));\n          var valid = element(by.binding('myForm.input.$valid'));\n          var input = element(by.model('example.value'));\n\n          it('should initialize to model', function() {\n            expect(value.getText()).toContain('12');\n            expect(valid.getText()).toContain('true');\n          });\n\n          it('should be invalid if empty', function() {\n            input.clear();\n            input.sendKeys('');\n            expect(value.getText()).toEqual('value =');\n            expect(valid.getText()).toContain('false');\n          });\n\n          it('should be invalid if over max', function() {\n            input.clear();\n            input.sendKeys('123');\n            expect(value.getText()).toEqual('value =');\n            expect(valid.getText()).toContain('false');\n          });\n        </file>\n      </example>\n   */\n  'number': numberInputType,\n\n\n  /**\n   * @ngdoc input\n   * @name input[url]\n   *\n   * @description\n   * Text input with URL validation. Sets the `url` validation error key if the content is not a\n   * valid URL.\n   *\n   * <div class=\"alert alert-warning\">\n   * **Note:** `input[url]` uses a regex to validate urls that is derived from the regex\n   * used in Chromium. If you need stricter validation, you can use `ng-pattern` or modify\n   * the built-in validators (see the {@link guide/forms Forms guide})\n   * </div>\n   *\n   * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n   * @param {string=} name Property name of the form under which the control is published.\n   * @param {string=} required Sets `required` validation error key if the value is not entered.\n   * @param {string=} ngRequired Adds `required` attribute and `required` validation constraint to\n   *    the element when the ngRequired expression evaluates to true. Use `ngRequired` instead of\n   *    `required` when you want to data-bind to the `required` attribute.\n   * @param {number=} ngMinlength Sets `minlength` validation error key if the value is shorter than\n   *    minlength.\n   * @param {number=} ngMaxlength Sets `maxlength` validation error key if the value is longer than\n   *    maxlength. Setting the attribute to a negative or non-numeric value, allows view values of\n   *    any length.\n   * @param {string=} pattern Similar to `ngPattern` except that the attribute value is the actual string\n   *    that contains the regular expression body that will be converted to a regular expression\n   *    as in the ngPattern directive.\n   * @param {string=} ngPattern Sets `pattern` validation error key if the ngModel {@link ngModel.NgModelController#$viewValue $viewValue}\n   *    does not match a RegExp found by evaluating the AngularJS expression given in the attribute value.\n   *    If the expression evaluates to a RegExp object, then this is used directly.\n   *    If the expression evaluates to a string, then it will be converted to a RegExp\n   *    after wrapping it in `^` and `$` characters. For instance, `\"abc\"` will be converted to\n   *    `new RegExp('^abc$')`.<br />\n   *    **Note:** Avoid using the `g` flag on the RegExp, as it will cause each successive search to\n   *    start at the index of the last search's match, thus not taking the whole input value into\n   *    account.\n   * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n   *    interaction with the input element.\n   *\n   * @example\n      <example name=\"url-input-directive\" module=\"urlExample\">\n        <file name=\"index.html\">\n         <script>\n           angular.module('urlExample', [])\n             .controller('ExampleController', ['$scope', function($scope) {\n               $scope.url = {\n                 text: 'http://google.com'\n               };\n             }]);\n         </script>\n         <form name=\"myForm\" ng-controller=\"ExampleController\">\n           <label>URL:\n             <input type=\"url\" name=\"input\" ng-model=\"url.text\" required>\n           <label>\n           <div role=\"alert\">\n             <span class=\"error\" ng-show=\"myForm.input.$error.required\">\n               Required!</span>\n             <span class=\"error\" ng-show=\"myForm.input.$error.url\">\n               Not valid url!</span>\n           </div>\n           <tt>text = {{url.text}}</tt><br/>\n           <tt>myForm.input.$valid = {{myForm.input.$valid}}</tt><br/>\n           <tt>myForm.input.$error = {{myForm.input.$error}}</tt><br/>\n           <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>\n           <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>\n           <tt>myForm.$error.url = {{!!myForm.$error.url}}</tt><br/>\n          </form>\n        </file>\n        <file name=\"protractor.js\" type=\"protractor\">\n          var text = element(by.binding('url.text'));\n          var valid = element(by.binding('myForm.input.$valid'));\n          var input = element(by.model('url.text'));\n\n          it('should initialize to model', function() {\n            expect(text.getText()).toContain('http://google.com');\n            expect(valid.getText()).toContain('true');\n          });\n\n          it('should be invalid if empty', function() {\n            input.clear();\n            input.sendKeys('');\n\n            expect(text.getText()).toEqual('text =');\n            expect(valid.getText()).toContain('false');\n          });\n\n          it('should be invalid if not url', function() {\n            input.clear();\n            input.sendKeys('box');\n\n            expect(valid.getText()).toContain('false');\n          });\n        </file>\n      </example>\n   */\n  'url': urlInputType,\n\n\n  /**\n   * @ngdoc input\n   * @name input[email]\n   *\n   * @description\n   * Text input with email validation. Sets the `email` validation error key if not a valid email\n   * address.\n   *\n   * <div class=\"alert alert-warning\">\n   * **Note:** `input[email]` uses a regex to validate email addresses that is derived from the regex\n   * used in Chromium, which may not fulfill your app's requirements.\n   * If you need stricter (e.g. requiring a top-level domain), or more relaxed validation\n   * (e.g. allowing IPv6 address literals) you can use `ng-pattern` or\n   * modify the built-in validators (see the {@link guide/forms Forms guide}).\n   * </div>\n   *\n   * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n   * @param {string=} name Property name of the form under which the control is published.\n   * @param {string=} required Sets `required` validation error key if the value is not entered.\n   * @param {string=} ngRequired Adds `required` attribute and `required` validation constraint to\n   *    the element when the ngRequired expression evaluates to true. Use `ngRequired` instead of\n   *    `required` when you want to data-bind to the `required` attribute.\n   * @param {number=} ngMinlength Sets `minlength` validation error key if the value is shorter than\n   *    minlength.\n   * @param {number=} ngMaxlength Sets `maxlength` validation error key if the value is longer than\n   *    maxlength. Setting the attribute to a negative or non-numeric value, allows view values of\n   *    any length.\n   * @param {string=} pattern Similar to `ngPattern` except that the attribute value is the actual string\n   *    that contains the regular expression body that will be converted to a regular expression\n   *    as in the ngPattern directive.\n   * @param {string=} ngPattern Sets `pattern` validation error key if the ngModel {@link ngModel.NgModelController#$viewValue $viewValue}\n   *    does not match a RegExp found by evaluating the AngularJS expression given in the attribute value.\n   *    If the expression evaluates to a RegExp object, then this is used directly.\n   *    If the expression evaluates to a string, then it will be converted to a RegExp\n   *    after wrapping it in `^` and `$` characters. For instance, `\"abc\"` will be converted to\n   *    `new RegExp('^abc$')`.<br />\n   *    **Note:** Avoid using the `g` flag on the RegExp, as it will cause each successive search to\n   *    start at the index of the last search's match, thus not taking the whole input value into\n   *    account.\n   * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n   *    interaction with the input element.\n   *\n   * @example\n      <example name=\"email-input-directive\" module=\"emailExample\">\n        <file name=\"index.html\">\n         <script>\n           angular.module('emailExample', [])\n             .controller('ExampleController', ['$scope', function($scope) {\n               $scope.email = {\n                 text: 'me@example.com'\n               };\n             }]);\n         </script>\n           <form name=\"myForm\" ng-controller=\"ExampleController\">\n             <label>Email:\n               <input type=\"email\" name=\"input\" ng-model=\"email.text\" required>\n             </label>\n             <div role=\"alert\">\n               <span class=\"error\" ng-show=\"myForm.input.$error.required\">\n                 Required!</span>\n               <span class=\"error\" ng-show=\"myForm.input.$error.email\">\n                 Not valid email!</span>\n             </div>\n             <tt>text = {{email.text}}</tt><br/>\n             <tt>myForm.input.$valid = {{myForm.input.$valid}}</tt><br/>\n             <tt>myForm.input.$error = {{myForm.input.$error}}</tt><br/>\n             <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>\n             <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>\n             <tt>myForm.$error.email = {{!!myForm.$error.email}}</tt><br/>\n           </form>\n         </file>\n        <file name=\"protractor.js\" type=\"protractor\">\n          var text = element(by.binding('email.text'));\n          var valid = element(by.binding('myForm.input.$valid'));\n          var input = element(by.model('email.text'));\n\n          it('should initialize to model', function() {\n            expect(text.getText()).toContain('me@example.com');\n            expect(valid.getText()).toContain('true');\n          });\n\n          it('should be invalid if empty', function() {\n            input.clear();\n            input.sendKeys('');\n            expect(text.getText()).toEqual('text =');\n            expect(valid.getText()).toContain('false');\n          });\n\n          it('should be invalid if not email', function() {\n            input.clear();\n            input.sendKeys('xxx');\n\n            expect(valid.getText()).toContain('false');\n          });\n        </file>\n      </example>\n   */\n  'email': emailInputType,\n\n\n  /**\n   * @ngdoc input\n   * @name input[radio]\n   *\n   * @description\n   * HTML radio button.\n   *\n   * **Note:**<br>\n   * All inputs controlled by {@link ngModel ngModel} (including those of type `radio`) will use the\n   * value of their `name` attribute to determine the property under which their\n   * {@link ngModel.NgModelController NgModelController} will be published on the parent\n   * {@link form.FormController FormController}. Thus, if you use the same `name` for multiple\n   * inputs of a form (e.g. a group of radio inputs), only _one_ `NgModelController` will be\n   * published on the parent `FormController` under that name. The rest of the controllers will\n   * continue to work as expected, but you won't be able to access them as properties on the parent\n   * `FormController`.\n   *\n   * <div class=\"alert alert-info\">\n   *   <p>\n   *     In plain HTML forms, the `name` attribute is used to identify groups of radio inputs, so\n   *     that the browser can manage their state (checked/unchecked) based on the state of other\n   *     inputs in the same group.\n   *   </p>\n   *   <p>\n   *     In AngularJS forms, this is not necessary. The input's state will be updated based on the\n   *     value of the underlying model data.\n   *   </p>\n   * </div>\n   *\n   * <div class=\"alert alert-success\">\n   *   If you omit the `name` attribute on a radio input, `ngModel` will automatically assign it a\n   *   unique name.\n   * </div>\n   *\n   * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n   * @param {string} value The value to which the `ngModel` expression should be set when selected.\n   *    Note that `value` only supports `string` values, i.e. the scope model needs to be a string,\n   *    too. Use `ngValue` if you need complex models (`number`, `object`, ...).\n   * @param {string=} name Property name of the form under which the control is published.\n   * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n   *    interaction with the input element.\n   * @param {string} ngValue AngularJS expression to which `ngModel` will be be set when the radio\n   *    is selected. Should be used instead of the `value` attribute if you need\n   *    a non-string `ngModel` (`boolean`, `array`, ...).\n   *\n   * @example\n      <example name=\"radio-input-directive\" module=\"radioExample\">\n        <file name=\"index.html\">\n         <script>\n           angular.module('radioExample', [])\n             .controller('ExampleController', ['$scope', function($scope) {\n               $scope.color = {\n                 name: 'blue'\n               };\n               $scope.specialValue = {\n                 \"id\": \"12345\",\n                 \"value\": \"green\"\n               };\n             }]);\n         </script>\n         <form name=\"myForm\" ng-controller=\"ExampleController\">\n           <label>\n             <input type=\"radio\" ng-model=\"color.name\" value=\"red\">\n             Red\n           </label><br/>\n           <label>\n             <input type=\"radio\" ng-model=\"color.name\" ng-value=\"specialValue\">\n             Green\n           </label><br/>\n           <label>\n             <input type=\"radio\" ng-model=\"color.name\" value=\"blue\">\n             Blue\n           </label><br/>\n           <tt>color = {{color.name | json}}</tt><br/>\n          </form>\n          Note that `ng-value=\"specialValue\"` sets radio item's value to be the value of `$scope.specialValue`.\n        </file>\n        <file name=\"protractor.js\" type=\"protractor\">\n          it('should change state', function() {\n            var inputs = element.all(by.model('color.name'));\n            var color = element(by.binding('color.name'));\n\n            expect(color.getText()).toContain('blue');\n\n            inputs.get(0).click();\n            expect(color.getText()).toContain('red');\n\n            inputs.get(1).click();\n            expect(color.getText()).toContain('green');\n          });\n        </file>\n      </example>\n   */\n  'radio': radioInputType,\n\n  /**\n   * @ngdoc input\n   * @name input[range]\n   *\n   * @description\n   * Native range input with validation and transformation.\n   *\n   * The model for the range input must always be a `Number`.\n   *\n   * IE9 and other browsers that do not support the `range` type fall back\n   * to a text input without any default values for `min`, `max` and `step`. Model binding,\n   * validation and number parsing are nevertheless supported.\n   *\n   * Browsers that support range (latest Chrome, Safari, Firefox, Edge) treat `input[range]`\n   * in a way that never allows the input to hold an invalid value. That means:\n   * - any non-numerical value is set to `(max + min) / 2`.\n   * - any numerical value that is less than the current min val, or greater than the current max val\n   * is set to the min / max val respectively.\n   * - additionally, the current `step` is respected, so the nearest value that satisfies a step\n   * is used.\n   *\n   * See the [HTML Spec on input[type=range]](https://www.w3.org/TR/html5/forms.html#range-state-(type=range))\n   * for more info.\n   *\n   * This has the following consequences for AngularJS:\n   *\n   * Since the element value should always reflect the current model value, a range input\n   * will set the bound ngModel expression to the value that the browser has set for the\n   * input element. For example, in the following input `<input type=\"range\" ng-model=\"model.value\">`,\n   * if the application sets `model.value = null`, the browser will set the input to `'50'`.\n   * AngularJS will then set the model to `50`, to prevent input and model value being out of sync.\n   *\n   * That means the model for range will immediately be set to `50` after `ngModel` has been\n   * initialized. It also means a range input can never have the required error.\n   *\n   * This does not only affect changes to the model value, but also to the values of the `min`,\n   * `max`, and `step` attributes. When these change in a way that will cause the browser to modify\n   * the input value, AngularJS will also update the model value.\n   *\n   * Automatic value adjustment also means that a range input element can never have the `required`,\n   * `min`, or `max` errors.\n   *\n   * However, `step` is currently only fully implemented by Firefox. Other browsers have problems\n   * when the step value changes dynamically - they do not adjust the element value correctly, but\n   * instead may set the `stepMismatch` error. If that's the case, the AngularJS will set the `step`\n   * error on the input, and set the model to `undefined`.\n   *\n   * Note that `input[range]` is not compatible with`ngMax`, `ngMin`, and `ngStep`, because they do\n   * not set the `min` and `max` attributes, which means that the browser won't automatically adjust\n   * the input value based on their values, and will always assume min = 0, max = 100, and step = 1.\n   *\n   * @param {string}  ngModel Assignable AngularJS expression to data-bind to.\n   * @param {string=} name Property name of the form under which the control is published.\n   * @param {string=} min Sets the `min` validation to ensure that the value entered is greater\n   *                  than `min`. Can be interpolated.\n   * @param {string=} max Sets the `max` validation to ensure that the value entered is less than `max`.\n   *                  Can be interpolated.\n   * @param {string=} step Sets the `step` validation to ensure that the value entered matches the `step`\n   *                  Can be interpolated.\n   * @param {expression=} ngChange AngularJS expression to be executed when the ngModel value changes due\n   *                      to user interaction with the input element.\n   * @param {expression=} ngChecked If the expression is truthy, then the `checked` attribute will be set on the\n   *                      element. **Note** : `ngChecked` should not be used alongside `ngModel`.\n   *                      Checkout {@link ng.directive:ngChecked ngChecked} for usage.\n   *\n   * @example\n      <example name=\"range-input-directive\" module=\"rangeExample\">\n        <file name=\"index.html\">\n          <script>\n            angular.module('rangeExample', [])\n              .controller('ExampleController', ['$scope', function($scope) {\n                $scope.value = 75;\n                $scope.min = 10;\n                $scope.max = 90;\n              }]);\n          </script>\n          <form name=\"myForm\" ng-controller=\"ExampleController\">\n\n            Model as range: <input type=\"range\" name=\"range\" ng-model=\"value\" min=\"{{min}}\"  max=\"{{max}}\">\n            <hr>\n            Model as number: <input type=\"number\" ng-model=\"value\"><br>\n            Min: <input type=\"number\" ng-model=\"min\"><br>\n            Max: <input type=\"number\" ng-model=\"max\"><br>\n            value = <code>{{value}}</code><br/>\n            myForm.range.$valid = <code>{{myForm.range.$valid}}</code><br/>\n            myForm.range.$error = <code>{{myForm.range.$error}}</code>\n          </form>\n        </file>\n      </example>\n\n   * ## Range Input with ngMin & ngMax attributes\n\n   * @example\n      <example name=\"range-input-directive-ng\" module=\"rangeExample\">\n        <file name=\"index.html\">\n          <script>\n            angular.module('rangeExample', [])\n              .controller('ExampleController', ['$scope', function($scope) {\n                $scope.value = 75;\n                $scope.min = 10;\n                $scope.max = 90;\n              }]);\n          </script>\n          <form name=\"myForm\" ng-controller=\"ExampleController\">\n            Model as range: <input type=\"range\" name=\"range\" ng-model=\"value\" ng-min=\"min\" ng-max=\"max\">\n            <hr>\n            Model as number: <input type=\"number\" ng-model=\"value\"><br>\n            Min: <input type=\"number\" ng-model=\"min\"><br>\n            Max: <input type=\"number\" ng-model=\"max\"><br>\n            value = <code>{{value}}</code><br/>\n            myForm.range.$valid = <code>{{myForm.range.$valid}}</code><br/>\n            myForm.range.$error = <code>{{myForm.range.$error}}</code>\n          </form>\n        </file>\n      </example>\n\n   */\n  'range': rangeInputType,\n\n  /**\n   * @ngdoc input\n   * @name input[checkbox]\n   *\n   * @description\n   * HTML checkbox.\n   *\n   * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n   * @param {string=} name Property name of the form under which the control is published.\n   * @param {expression=} ngTrueValue The value to which the expression should be set when selected.\n   * @param {expression=} ngFalseValue The value to which the expression should be set when not selected.\n   * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n   *    interaction with the input element.\n   *\n   * @example\n      <example name=\"checkbox-input-directive\" module=\"checkboxExample\">\n        <file name=\"index.html\">\n         <script>\n           angular.module('checkboxExample', [])\n             .controller('ExampleController', ['$scope', function($scope) {\n               $scope.checkboxModel = {\n                value1 : true,\n                value2 : 'YES'\n              };\n             }]);\n         </script>\n         <form name=\"myForm\" ng-controller=\"ExampleController\">\n           <label>Value1:\n             <input type=\"checkbox\" ng-model=\"checkboxModel.value1\">\n           </label><br/>\n           <label>Value2:\n             <input type=\"checkbox\" ng-model=\"checkboxModel.value2\"\n                    ng-true-value=\"'YES'\" ng-false-value=\"'NO'\">\n            </label><br/>\n           <tt>value1 = {{checkboxModel.value1}}</tt><br/>\n           <tt>value2 = {{checkboxModel.value2}}</tt><br/>\n          </form>\n        </file>\n        <file name=\"protractor.js\" type=\"protractor\">\n          it('should change state', function() {\n            var value1 = element(by.binding('checkboxModel.value1'));\n            var value2 = element(by.binding('checkboxModel.value2'));\n\n            expect(value1.getText()).toContain('true');\n            expect(value2.getText()).toContain('YES');\n\n            element(by.model('checkboxModel.value1')).click();\n            element(by.model('checkboxModel.value2')).click();\n\n            expect(value1.getText()).toContain('false');\n            expect(value2.getText()).toContain('NO');\n          });\n        </file>\n      </example>\n   */\n  'checkbox': checkboxInputType,\n\n  'hidden': noop,\n  'button': noop,\n  'submit': noop,\n  'reset': noop,\n  'file': noop\n};\n\nfunction stringBasedInputType(ctrl) {\n  ctrl.$formatters.push(function(value) {\n    return ctrl.$isEmpty(value) ? value : value.toString();\n  });\n}\n\nfunction textInputType(scope, element, attr, ctrl, $sniffer, $browser) {\n  baseInputType(scope, element, attr, ctrl, $sniffer, $browser);\n  stringBasedInputType(ctrl);\n}\n\nfunction baseInputType(scope, element, attr, ctrl, $sniffer, $browser) {\n  var type = lowercase(element[0].type);\n\n  // In composition mode, users are still inputting intermediate text buffer,\n  // hold the listener until composition is done.\n  // More about composition events: https://developer.mozilla.org/en-US/docs/Web/API/CompositionEvent\n  if (!$sniffer.android) {\n    var composing = false;\n\n    element.on('compositionstart', function() {\n      composing = true;\n    });\n\n    // Support: IE9+\n    element.on('compositionupdate', function(ev) {\n      // End composition when ev.data is empty string on 'compositionupdate' event.\n      // When the input de-focusses (e.g. by clicking away), IE triggers 'compositionupdate'\n      // instead of 'compositionend'.\n      if (isUndefined(ev.data) || ev.data === '') {\n        composing = false;\n      }\n    });\n\n    element.on('compositionend', function() {\n      composing = false;\n      listener();\n    });\n  }\n\n  var timeout;\n\n  var listener = function(ev) {\n    if (timeout) {\n      $browser.defer.cancel(timeout);\n      timeout = null;\n    }\n    if (composing) return;\n    var value = element.val(),\n        event = ev && ev.type;\n\n    // By default we will trim the value\n    // If the attribute ng-trim exists we will avoid trimming\n    // If input type is 'password', the value is never trimmed\n    if (type !== 'password' && (!attr.ngTrim || attr.ngTrim !== 'false')) {\n      value = trim(value);\n    }\n\n    // If a control is suffering from bad input (due to native validators), browsers discard its\n    // value, so it may be necessary to revalidate (by calling $setViewValue again) even if the\n    // control's value is the same empty value twice in a row.\n    if (ctrl.$viewValue !== value || (value === '' && ctrl.$$hasNativeValidators)) {\n      ctrl.$setViewValue(value, event);\n    }\n  };\n\n  // if the browser does support \"input\" event, we are fine - except on IE9 which doesn't fire the\n  // input event on backspace, delete or cut\n  if ($sniffer.hasEvent('input')) {\n    element.on('input', listener);\n  } else {\n    var deferListener = function(ev, input, origValue) {\n      if (!timeout) {\n        timeout = $browser.defer(function() {\n          timeout = null;\n          if (!input || input.value !== origValue) {\n            listener(ev);\n          }\n        });\n      }\n    };\n\n    element.on('keydown', /** @this */ function(event) {\n      var key = event.keyCode;\n\n      // ignore\n      //    command            modifiers                   arrows\n      if (key === 91 || (15 < key && key < 19) || (37 <= key && key <= 40)) return;\n\n      deferListener(event, this, this.value);\n    });\n\n    // if user modifies input value using context menu in IE, we need \"paste\", \"cut\" and \"drop\" events to catch it\n    if ($sniffer.hasEvent('paste')) {\n      element.on('paste cut drop', deferListener);\n    }\n  }\n\n  // if user paste into input using mouse on older browser\n  // or form autocomplete on newer browser, we need \"change\" event to catch it\n  element.on('change', listener);\n\n  // Some native input types (date-family) have the ability to change validity without\n  // firing any input/change events.\n  // For these event types, when native validators are present and the browser supports the type,\n  // check for validity changes on various DOM events.\n  if (PARTIAL_VALIDATION_TYPES[type] && ctrl.$$hasNativeValidators && type === attr.type) {\n    element.on(PARTIAL_VALIDATION_EVENTS, /** @this */ function(ev) {\n      if (!timeout) {\n        var validity = this[VALIDITY_STATE_PROPERTY];\n        var origBadInput = validity.badInput;\n        var origTypeMismatch = validity.typeMismatch;\n        timeout = $browser.defer(function() {\n          timeout = null;\n          if (validity.badInput !== origBadInput || validity.typeMismatch !== origTypeMismatch) {\n            listener(ev);\n          }\n        });\n      }\n    });\n  }\n\n  ctrl.$render = function() {\n    // Workaround for Firefox validation #12102.\n    var value = ctrl.$isEmpty(ctrl.$viewValue) ? '' : ctrl.$viewValue;\n    if (element.val() !== value) {\n      element.val(value);\n    }\n  };\n}\n\nfunction weekParser(isoWeek, existingDate) {\n  if (isDate(isoWeek)) {\n    return isoWeek;\n  }\n\n  if (isString(isoWeek)) {\n    WEEK_REGEXP.lastIndex = 0;\n    var parts = WEEK_REGEXP.exec(isoWeek);\n    if (parts) {\n      var year = +parts[1],\n          week = +parts[2],\n          hours = 0,\n          minutes = 0,\n          seconds = 0,\n          milliseconds = 0,\n          firstThurs = getFirstThursdayOfYear(year),\n          addDays = (week - 1) * 7;\n\n      if (existingDate) {\n        hours = existingDate.getHours();\n        minutes = existingDate.getMinutes();\n        seconds = existingDate.getSeconds();\n        milliseconds = existingDate.getMilliseconds();\n      }\n\n      return new Date(year, 0, firstThurs.getDate() + addDays, hours, minutes, seconds, milliseconds);\n    }\n  }\n\n  return NaN;\n}\n\nfunction createDateParser(regexp, mapping) {\n  return function(iso, previousDate) {\n    var parts, map;\n\n    if (isDate(iso)) {\n      return iso;\n    }\n\n    if (isString(iso)) {\n      // When a date is JSON'ified to wraps itself inside of an extra\n      // set of double quotes. This makes the date parsing code unable\n      // to match the date string and parse it as a date.\n      if (iso.charAt(0) === '\"' && iso.charAt(iso.length - 1) === '\"') {\n        iso = iso.substring(1, iso.length - 1);\n      }\n      if (ISO_DATE_REGEXP.test(iso)) {\n        return new Date(iso);\n      }\n      regexp.lastIndex = 0;\n      parts = regexp.exec(iso);\n\n      if (parts) {\n        parts.shift();\n        if (previousDate) {\n          map = {\n            yyyy: previousDate.getFullYear(),\n            MM: previousDate.getMonth() + 1,\n            dd: previousDate.getDate(),\n            HH: previousDate.getHours(),\n            mm: previousDate.getMinutes(),\n            ss: previousDate.getSeconds(),\n            sss: previousDate.getMilliseconds() / 1000\n          };\n        } else {\n          map = { yyyy: 1970, MM: 1, dd: 1, HH: 0, mm: 0, ss: 0, sss: 0 };\n        }\n\n        forEach(parts, function(part, index) {\n          if (index < mapping.length) {\n            map[mapping[index]] = +part;\n          }\n        });\n\n        var date = new Date(map.yyyy, map.MM - 1, map.dd, map.HH, map.mm, map.ss || 0, map.sss * 1000 || 0);\n        if (map.yyyy < 100) {\n          // In the constructor, 2-digit years map to 1900-1999.\n          // Use `setFullYear()` to set the correct year.\n          date.setFullYear(map.yyyy);\n        }\n\n        return date;\n      }\n    }\n\n    return NaN;\n  };\n}\n\nfunction createDateInputType(type, regexp, parseDate, format) {\n  return function dynamicDateInputType(scope, element, attr, ctrl, $sniffer, $browser, $filter, $parse) {\n    badInputChecker(scope, element, attr, ctrl, type);\n    baseInputType(scope, element, attr, ctrl, $sniffer, $browser);\n\n    var isTimeType = type === 'time' || type === 'datetimelocal';\n    var previousDate;\n    var previousTimezone;\n\n    ctrl.$parsers.push(function(value) {\n      if (ctrl.$isEmpty(value)) return null;\n\n      if (regexp.test(value)) {\n        // Note: We cannot read ctrl.$modelValue, as there might be a different\n        // parser/formatter in the processing chain so that the model\n        // contains some different data format!\n        return parseDateAndConvertTimeZoneToLocal(value, previousDate);\n      }\n      ctrl.$$parserName = type;\n      return undefined;\n    });\n\n    ctrl.$formatters.push(function(value) {\n      if (value && !isDate(value)) {\n        throw ngModelMinErr('datefmt', 'Expected `{0}` to be a date', value);\n      }\n      if (isValidDate(value)) {\n        previousDate = value;\n        var timezone = ctrl.$options.getOption('timezone');\n\n        if (timezone) {\n          previousTimezone = timezone;\n          previousDate = convertTimezoneToLocal(previousDate, timezone, true);\n        }\n\n        return formatter(value, timezone);\n      } else {\n        previousDate = null;\n        previousTimezone = null;\n        return '';\n      }\n    });\n\n    if (isDefined(attr.min) || attr.ngMin) {\n      var minVal = attr.min || $parse(attr.ngMin)(scope);\n      var parsedMinVal = parseObservedDateValue(minVal);\n\n      ctrl.$validators.min = function(value) {\n        return !isValidDate(value) || isUndefined(parsedMinVal) || parseDate(value) >= parsedMinVal;\n      };\n      attr.$observe('min', function(val) {\n        if (val !== minVal) {\n          parsedMinVal = parseObservedDateValue(val);\n          minVal = val;\n          ctrl.$validate();\n        }\n      });\n    }\n\n    if (isDefined(attr.max) || attr.ngMax) {\n      var maxVal = attr.max || $parse(attr.ngMax)(scope);\n      var parsedMaxVal = parseObservedDateValue(maxVal);\n\n      ctrl.$validators.max = function(value) {\n        return !isValidDate(value) || isUndefined(parsedMaxVal) || parseDate(value) <= parsedMaxVal;\n      };\n      attr.$observe('max', function(val) {\n        if (val !== maxVal) {\n          parsedMaxVal = parseObservedDateValue(val);\n          maxVal = val;\n          ctrl.$validate();\n        }\n      });\n    }\n\n    function isValidDate(value) {\n      // Invalid Date: getTime() returns NaN\n      return value && !(value.getTime && value.getTime() !== value.getTime());\n    }\n\n    function parseObservedDateValue(val) {\n      return isDefined(val) && !isDate(val) ? parseDateAndConvertTimeZoneToLocal(val) || undefined : val;\n    }\n\n    function parseDateAndConvertTimeZoneToLocal(value, previousDate) {\n      var timezone = ctrl.$options.getOption('timezone');\n\n      if (previousTimezone && previousTimezone !== timezone) {\n        // If the timezone has changed, adjust the previousDate to the default timezone\n        // so that the new date is converted with the correct timezone offset\n        previousDate = addDateMinutes(previousDate, timezoneToOffset(previousTimezone));\n      }\n\n      var parsedDate = parseDate(value, previousDate);\n\n      if (!isNaN(parsedDate) && timezone) {\n        parsedDate = convertTimezoneToLocal(parsedDate, timezone);\n      }\n      return parsedDate;\n    }\n\n    function formatter(value, timezone) {\n      var targetFormat = format;\n\n      if (isTimeType && isString(ctrl.$options.getOption('timeSecondsFormat'))) {\n        targetFormat = format\n          .replace('ss.sss', ctrl.$options.getOption('timeSecondsFormat'))\n          .replace(/:$/, '');\n      }\n\n      var formatted =  $filter('date')(value, targetFormat, timezone);\n\n      if (isTimeType && ctrl.$options.getOption('timeStripZeroSeconds')) {\n        formatted = formatted.replace(/(?::00)?(?:\\.000)?$/, '');\n      }\n\n      return formatted;\n    }\n  };\n}\n\nfunction badInputChecker(scope, element, attr, ctrl, parserName) {\n  var node = element[0];\n  var nativeValidation = ctrl.$$hasNativeValidators = isObject(node.validity);\n  if (nativeValidation) {\n    ctrl.$parsers.push(function(value) {\n      var validity = element.prop(VALIDITY_STATE_PROPERTY) || {};\n      if (validity.badInput || validity.typeMismatch) {\n        ctrl.$$parserName = parserName;\n        return undefined;\n      }\n\n      return value;\n    });\n  }\n}\n\nfunction numberFormatterParser(ctrl) {\n  ctrl.$parsers.push(function(value) {\n    if (ctrl.$isEmpty(value))      return null;\n    if (NUMBER_REGEXP.test(value)) return parseFloat(value);\n\n    ctrl.$$parserName = 'number';\n    return undefined;\n  });\n\n  ctrl.$formatters.push(function(value) {\n    if (!ctrl.$isEmpty(value)) {\n      if (!isNumber(value)) {\n        throw ngModelMinErr('numfmt', 'Expected `{0}` to be a number', value);\n      }\n      value = value.toString();\n    }\n    return value;\n  });\n}\n\nfunction parseNumberAttrVal(val) {\n  if (isDefined(val) && !isNumber(val)) {\n    val = parseFloat(val);\n  }\n  return !isNumberNaN(val) ? val : undefined;\n}\n\nfunction isNumberInteger(num) {\n  // See http://stackoverflow.com/questions/14636536/how-to-check-if-a-variable-is-an-integer-in-javascript#14794066\n  // (minus the assumption that `num` is a number)\n\n  // eslint-disable-next-line no-bitwise\n  return (num | 0) === num;\n}\n\nfunction countDecimals(num) {\n  var numString = num.toString();\n  var decimalSymbolIndex = numString.indexOf('.');\n\n  if (decimalSymbolIndex === -1) {\n    if (-1 < num && num < 1) {\n      // It may be in the exponential notation format (`1e-X`)\n      var match = /e-(\\d+)$/.exec(numString);\n\n      if (match) {\n        return Number(match[1]);\n      }\n    }\n\n    return 0;\n  }\n\n  return numString.length - decimalSymbolIndex - 1;\n}\n\nfunction isValidForStep(viewValue, stepBase, step) {\n  // At this point `stepBase` and `step` are expected to be non-NaN values\n  // and `viewValue` is expected to be a valid stringified number.\n  var value = Number(viewValue);\n\n  var isNonIntegerValue = !isNumberInteger(value);\n  var isNonIntegerStepBase = !isNumberInteger(stepBase);\n  var isNonIntegerStep = !isNumberInteger(step);\n\n  // Due to limitations in Floating Point Arithmetic (e.g. `0.3 - 0.2 !== 0.1` or\n  // `0.5 % 0.1 !== 0`), we need to convert all numbers to integers.\n  if (isNonIntegerValue || isNonIntegerStepBase || isNonIntegerStep) {\n    var valueDecimals = isNonIntegerValue ? countDecimals(value) : 0;\n    var stepBaseDecimals = isNonIntegerStepBase ? countDecimals(stepBase) : 0;\n    var stepDecimals = isNonIntegerStep ? countDecimals(step) : 0;\n\n    var decimalCount = Math.max(valueDecimals, stepBaseDecimals, stepDecimals);\n    var multiplier = Math.pow(10, decimalCount);\n\n    value = value * multiplier;\n    stepBase = stepBase * multiplier;\n    step = step * multiplier;\n\n    if (isNonIntegerValue) value = Math.round(value);\n    if (isNonIntegerStepBase) stepBase = Math.round(stepBase);\n    if (isNonIntegerStep) step = Math.round(step);\n  }\n\n  return (value - stepBase) % step === 0;\n}\n\nfunction numberInputType(scope, element, attr, ctrl, $sniffer, $browser, $filter, $parse) {\n  badInputChecker(scope, element, attr, ctrl, 'number');\n  numberFormatterParser(ctrl);\n  baseInputType(scope, element, attr, ctrl, $sniffer, $browser);\n\n  var parsedMinVal;\n\n  if (isDefined(attr.min) || attr.ngMin) {\n    var minVal = attr.min || $parse(attr.ngMin)(scope);\n    parsedMinVal = parseNumberAttrVal(minVal);\n\n    ctrl.$validators.min = function(modelValue, viewValue) {\n      return ctrl.$isEmpty(viewValue) || isUndefined(parsedMinVal) || viewValue >= parsedMinVal;\n    };\n\n    attr.$observe('min', function(val) {\n      if (val !== minVal) {\n        parsedMinVal = parseNumberAttrVal(val);\n        minVal = val;\n        // TODO(matsko): implement validateLater to reduce number of validations\n        ctrl.$validate();\n      }\n    });\n  }\n\n  if (isDefined(attr.max) || attr.ngMax) {\n    var maxVal = attr.max || $parse(attr.ngMax)(scope);\n    var parsedMaxVal = parseNumberAttrVal(maxVal);\n\n    ctrl.$validators.max = function(modelValue, viewValue) {\n      return ctrl.$isEmpty(viewValue) || isUndefined(parsedMaxVal) || viewValue <= parsedMaxVal;\n    };\n\n    attr.$observe('max', function(val) {\n      if (val !== maxVal) {\n        parsedMaxVal = parseNumberAttrVal(val);\n        maxVal = val;\n        // TODO(matsko): implement validateLater to reduce number of validations\n        ctrl.$validate();\n      }\n    });\n  }\n\n  if (isDefined(attr.step) || attr.ngStep) {\n    var stepVal = attr.step || $parse(attr.ngStep)(scope);\n    var parsedStepVal = parseNumberAttrVal(stepVal);\n\n    ctrl.$validators.step = function(modelValue, viewValue) {\n      return ctrl.$isEmpty(viewValue) || isUndefined(parsedStepVal) ||\n        isValidForStep(viewValue, parsedMinVal || 0, parsedStepVal);\n    };\n\n    attr.$observe('step', function(val) {\n      // TODO(matsko): implement validateLater to reduce number of validations\n      if (val !== stepVal) {\n        parsedStepVal = parseNumberAttrVal(val);\n        stepVal = val;\n        ctrl.$validate();\n      }\n\n    });\n\n  }\n}\n\nfunction rangeInputType(scope, element, attr, ctrl, $sniffer, $browser) {\n  badInputChecker(scope, element, attr, ctrl, 'range');\n  numberFormatterParser(ctrl);\n  baseInputType(scope, element, attr, ctrl, $sniffer, $browser);\n\n  var supportsRange = ctrl.$$hasNativeValidators && element[0].type === 'range',\n      minVal = supportsRange ? 0 : undefined,\n      maxVal = supportsRange ? 100 : undefined,\n      stepVal = supportsRange ? 1 : undefined,\n      validity = element[0].validity,\n      hasMinAttr = isDefined(attr.min),\n      hasMaxAttr = isDefined(attr.max),\n      hasStepAttr = isDefined(attr.step);\n\n  var originalRender = ctrl.$render;\n\n  ctrl.$render = supportsRange && isDefined(validity.rangeUnderflow) && isDefined(validity.rangeOverflow) ?\n    //Browsers that implement range will set these values automatically, but reading the adjusted values after\n    //$render would cause the min / max validators to be applied with the wrong value\n    function rangeRender() {\n      originalRender();\n      ctrl.$setViewValue(element.val());\n    } :\n    originalRender;\n\n  if (hasMinAttr) {\n    minVal = parseNumberAttrVal(attr.min);\n\n    ctrl.$validators.min = supportsRange ?\n      // Since all browsers set the input to a valid value, we don't need to check validity\n      function noopMinValidator() { return true; } :\n      // non-support browsers validate the min val\n      function minValidator(modelValue, viewValue) {\n        return ctrl.$isEmpty(viewValue) || isUndefined(minVal) || viewValue >= minVal;\n      };\n\n    setInitialValueAndObserver('min', minChange);\n  }\n\n  if (hasMaxAttr) {\n    maxVal = parseNumberAttrVal(attr.max);\n\n    ctrl.$validators.max = supportsRange ?\n      // Since all browsers set the input to a valid value, we don't need to check validity\n      function noopMaxValidator() { return true; } :\n      // non-support browsers validate the max val\n      function maxValidator(modelValue, viewValue) {\n        return ctrl.$isEmpty(viewValue) || isUndefined(maxVal) || viewValue <= maxVal;\n      };\n\n    setInitialValueAndObserver('max', maxChange);\n  }\n\n  if (hasStepAttr) {\n    stepVal = parseNumberAttrVal(attr.step);\n\n    ctrl.$validators.step = supportsRange ?\n      function nativeStepValidator() {\n        // Currently, only FF implements the spec on step change correctly (i.e. adjusting the\n        // input element value to a valid value). It's possible that other browsers set the stepMismatch\n        // validity error instead, so we can at least report an error in that case.\n        return !validity.stepMismatch;\n      } :\n      // ngStep doesn't set the setp attr, so the browser doesn't adjust the input value as setting step would\n      function stepValidator(modelValue, viewValue) {\n        return ctrl.$isEmpty(viewValue) || isUndefined(stepVal) ||\n               isValidForStep(viewValue, minVal || 0, stepVal);\n      };\n\n    setInitialValueAndObserver('step', stepChange);\n  }\n\n  function setInitialValueAndObserver(htmlAttrName, changeFn) {\n    // interpolated attributes set the attribute value only after a digest, but we need the\n    // attribute value when the input is first rendered, so that the browser can adjust the\n    // input value based on the min/max value\n    element.attr(htmlAttrName, attr[htmlAttrName]);\n    var oldVal = attr[htmlAttrName];\n    attr.$observe(htmlAttrName, function wrappedObserver(val) {\n      if (val !== oldVal) {\n        oldVal = val;\n        changeFn(val);\n      }\n    });\n  }\n\n  function minChange(val) {\n    minVal = parseNumberAttrVal(val);\n    // ignore changes before model is initialized\n    if (isNumberNaN(ctrl.$modelValue)) {\n      return;\n    }\n\n    if (supportsRange) {\n      var elVal = element.val();\n      // IE11 doesn't set the el val correctly if the minVal is greater than the element value\n      if (minVal > elVal) {\n        elVal = minVal;\n        element.val(elVal);\n      }\n      ctrl.$setViewValue(elVal);\n    } else {\n      // TODO(matsko): implement validateLater to reduce number of validations\n      ctrl.$validate();\n    }\n  }\n\n  function maxChange(val) {\n    maxVal = parseNumberAttrVal(val);\n    // ignore changes before model is initialized\n    if (isNumberNaN(ctrl.$modelValue)) {\n      return;\n    }\n\n    if (supportsRange) {\n      var elVal = element.val();\n      // IE11 doesn't set the el val correctly if the maxVal is less than the element value\n      if (maxVal < elVal) {\n        element.val(maxVal);\n        // IE11 and Chrome don't set the value to the minVal when max < min\n        elVal = maxVal < minVal ? minVal : maxVal;\n      }\n      ctrl.$setViewValue(elVal);\n    } else {\n      // TODO(matsko): implement validateLater to reduce number of validations\n      ctrl.$validate();\n    }\n  }\n\n  function stepChange(val) {\n    stepVal = parseNumberAttrVal(val);\n    // ignore changes before model is initialized\n    if (isNumberNaN(ctrl.$modelValue)) {\n      return;\n    }\n\n    // Some browsers don't adjust the input value correctly, but set the stepMismatch error\n    if (!supportsRange) {\n      // TODO(matsko): implement validateLater to reduce number of validations\n      ctrl.$validate();\n    } else if (ctrl.$viewValue !== element.val()) {\n      ctrl.$setViewValue(element.val());\n    }\n  }\n}\n\nfunction urlInputType(scope, element, attr, ctrl, $sniffer, $browser) {\n  // Note: no badInputChecker here by purpose as `url` is only a validation\n  // in browsers, i.e. we can always read out input.value even if it is not valid!\n  baseInputType(scope, element, attr, ctrl, $sniffer, $browser);\n  stringBasedInputType(ctrl);\n\n  ctrl.$validators.url = function(modelValue, viewValue) {\n    var value = modelValue || viewValue;\n    return ctrl.$isEmpty(value) || URL_REGEXP.test(value);\n  };\n}\n\nfunction emailInputType(scope, element, attr, ctrl, $sniffer, $browser) {\n  // Note: no badInputChecker here by purpose as `url` is only a validation\n  // in browsers, i.e. we can always read out input.value even if it is not valid!\n  baseInputType(scope, element, attr, ctrl, $sniffer, $browser);\n  stringBasedInputType(ctrl);\n\n  ctrl.$validators.email = function(modelValue, viewValue) {\n    var value = modelValue || viewValue;\n    return ctrl.$isEmpty(value) || EMAIL_REGEXP.test(value);\n  };\n}\n\nfunction radioInputType(scope, element, attr, ctrl) {\n  var doTrim = !attr.ngTrim || trim(attr.ngTrim) !== 'false';\n  // make the name unique, if not defined\n  if (isUndefined(attr.name)) {\n    element.attr('name', nextUid());\n  }\n\n  var listener = function(ev) {\n    var value;\n    if (element[0].checked) {\n      value = attr.value;\n      if (doTrim) {\n        value = trim(value);\n      }\n      ctrl.$setViewValue(value, ev && ev.type);\n    }\n  };\n\n  element.on('change', listener);\n\n  ctrl.$render = function() {\n    var value = attr.value;\n    if (doTrim) {\n      value = trim(value);\n    }\n    element[0].checked = (value === ctrl.$viewValue);\n  };\n\n  attr.$observe('value', ctrl.$render);\n}\n\nfunction parseConstantExpr($parse, context, name, expression, fallback) {\n  var parseFn;\n  if (isDefined(expression)) {\n    parseFn = $parse(expression);\n    if (!parseFn.constant) {\n      throw ngModelMinErr('constexpr', 'Expected constant expression for `{0}`, but saw ' +\n                                   '`{1}`.', name, expression);\n    }\n    return parseFn(context);\n  }\n  return fallback;\n}\n\nfunction checkboxInputType(scope, element, attr, ctrl, $sniffer, $browser, $filter, $parse) {\n  var trueValue = parseConstantExpr($parse, scope, 'ngTrueValue', attr.ngTrueValue, true);\n  var falseValue = parseConstantExpr($parse, scope, 'ngFalseValue', attr.ngFalseValue, false);\n\n  var listener = function(ev) {\n    ctrl.$setViewValue(element[0].checked, ev && ev.type);\n  };\n\n  element.on('change', listener);\n\n  ctrl.$render = function() {\n    element[0].checked = ctrl.$viewValue;\n  };\n\n  // Override the standard `$isEmpty` because the $viewValue of an empty checkbox is always set to `false`\n  // This is because of the parser below, which compares the `$modelValue` with `trueValue` to convert\n  // it to a boolean.\n  ctrl.$isEmpty = function(value) {\n    return value === false;\n  };\n\n  ctrl.$formatters.push(function(value) {\n    return equals(value, trueValue);\n  });\n\n  ctrl.$parsers.push(function(value) {\n    return value ? trueValue : falseValue;\n  });\n}\n\n\n/**\n * @ngdoc directive\n * @name textarea\n * @restrict E\n *\n * @description\n * HTML textarea element control with AngularJS data-binding. The data-binding and validation\n * properties of this element are exactly the same as those of the\n * {@link ng.directive:input input element}.\n *\n * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n * @param {string=} name Property name of the form under which the control is published.\n * @param {string=} required Sets `required` validation error key if the value is not entered.\n * @param {string=} ngRequired Adds `required` attribute and `required` validation constraint to\n *    the element when the ngRequired expression evaluates to true. Use `ngRequired` instead of\n *    `required` when you want to data-bind to the `required` attribute.\n * @param {number=} ngMinlength Sets `minlength` validation error key if the value is shorter than\n *    minlength.\n * @param {number=} ngMaxlength Sets `maxlength` validation error key if the value is longer than\n *    maxlength. Setting the attribute to a negative or non-numeric value, allows view values of any\n *    length.\n * @param {string=} ngPattern Sets `pattern` validation error key if the ngModel {@link ngModel.NgModelController#$viewValue $viewValue}\n *    does not match a RegExp found by evaluating the AngularJS expression given in the attribute value.\n *    If the expression evaluates to a RegExp object, then this is used directly.\n *    If the expression evaluates to a string, then it will be converted to a RegExp\n *    after wrapping it in `^` and `$` characters. For instance, `\"abc\"` will be converted to\n *    `new RegExp('^abc$')`.<br />\n *    **Note:** Avoid using the `g` flag on the RegExp, as it will cause each successive search to\n *    start at the index of the last search's match, thus not taking the whole input value into\n *    account.\n * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n *    interaction with the input element.\n * @param {boolean=} [ngTrim=true] If set to false AngularJS will not automatically trim the input.\n *\n * @knownIssue\n *\n * When specifying the `placeholder` attribute of `<textarea>`, Internet Explorer will temporarily\n * insert the placeholder value as the textarea's content. If the placeholder value contains\n * interpolation (`{{ ... }}`), an error will be logged in the console when AngularJS tries to update\n * the value of the by-then-removed text node. This doesn't affect the functionality of the\n * textarea, but can be undesirable.\n *\n * You can work around this Internet Explorer issue by using `ng-attr-placeholder` instead of\n * `placeholder` on textareas, whenever you need interpolation in the placeholder value. You can\n * find more details on `ngAttr` in the\n * [Interpolation](guide/interpolation#-ngattr-for-binding-to-arbitrary-attributes) section of the\n * Developer Guide.\n */\n\n\n/**\n * @ngdoc directive\n * @name input\n * @restrict E\n *\n * @description\n * HTML input element control. When used together with {@link ngModel `ngModel`}, it provides data-binding,\n * input state control, and validation.\n * Input control follows HTML5 input types and polyfills the HTML5 validation behavior for older browsers.\n *\n * <div class=\"alert alert-warning\">\n * **Note:** Not every feature offered is available for all input types.\n * Specifically, data binding and event handling via `ng-model` is unsupported for `input[file]`.\n * </div>\n *\n * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n * @param {string=} name Property name of the form under which the control is published.\n * @param {string=} required Sets `required` validation error key if the value is not entered.\n * @param {boolean=} ngRequired Sets `required` attribute if set to true\n * @param {number=} ngMinlength Sets `minlength` validation error key if the value is shorter than\n *    minlength.\n * @param {number=} ngMaxlength Sets `maxlength` validation error key if the value is longer than\n *    maxlength. Setting the attribute to a negative or non-numeric value, allows view values of any\n *    length.\n * @param {string=} ngPattern Sets `pattern` validation error key if the ngModel {@link ngModel.NgModelController#$viewValue $viewValue}\n *    value does not match a RegExp found by evaluating the AngularJS expression given in the attribute value.\n *    If the expression evaluates to a RegExp object, then this is used directly.\n *    If the expression evaluates to a string, then it will be converted to a RegExp\n *    after wrapping it in `^` and `$` characters. For instance, `\"abc\"` will be converted to\n *    `new RegExp('^abc$')`.<br />\n *    **Note:** Avoid using the `g` flag on the RegExp, as it will cause each successive search to\n *    start at the index of the last search's match, thus not taking the whole input value into\n *    account.\n * @param {string=} ngChange AngularJS expression to be executed when input changes due to user\n *    interaction with the input element.\n * @param {boolean=} [ngTrim=true] If set to false AngularJS will not automatically trim the input.\n *    This parameter is ignored for input[type=password] controls, which will never trim the\n *    input.\n *\n * @example\n    <example name=\"input-directive\" module=\"inputExample\">\n      <file name=\"index.html\">\n       <script>\n          angular.module('inputExample', [])\n            .controller('ExampleController', ['$scope', function($scope) {\n              $scope.user = {name: 'guest', last: 'visitor'};\n            }]);\n       </script>\n       <div ng-controller=\"ExampleController\">\n         <form name=\"myForm\">\n           <label>\n              User name:\n              <input type=\"text\" name=\"userName\" ng-model=\"user.name\" required>\n           </label>\n           <div role=\"alert\">\n             <span class=\"error\" ng-show=\"myForm.userName.$error.required\">\n              Required!</span>\n           </div>\n           <label>\n              Last name:\n              <input type=\"text\" name=\"lastName\" ng-model=\"user.last\"\n              ng-minlength=\"3\" ng-maxlength=\"10\">\n           </label>\n           <div role=\"alert\">\n             <span class=\"error\" ng-show=\"myForm.lastName.$error.minlength\">\n               Too short!</span>\n             <span class=\"error\" ng-show=\"myForm.lastName.$error.maxlength\">\n               Too long!</span>\n           </div>\n         </form>\n         <hr>\n         <tt>user = {{user}}</tt><br/>\n         <tt>myForm.userName.$valid = {{myForm.userName.$valid}}</tt><br/>\n         <tt>myForm.userName.$error = {{myForm.userName.$error}}</tt><br/>\n         <tt>myForm.lastName.$valid = {{myForm.lastName.$valid}}</tt><br/>\n         <tt>myForm.lastName.$error = {{myForm.lastName.$error}}</tt><br/>\n         <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>\n         <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>\n         <tt>myForm.$error.minlength = {{!!myForm.$error.minlength}}</tt><br/>\n         <tt>myForm.$error.maxlength = {{!!myForm.$error.maxlength}}</tt><br/>\n       </div>\n      </file>\n      <file name=\"protractor.js\" type=\"protractor\">\n        var user = element(by.exactBinding('user'));\n        var userNameValid = element(by.binding('myForm.userName.$valid'));\n        var lastNameValid = element(by.binding('myForm.lastName.$valid'));\n        var lastNameError = element(by.binding('myForm.lastName.$error'));\n        var formValid = element(by.binding('myForm.$valid'));\n        var userNameInput = element(by.model('user.name'));\n        var userLastInput = element(by.model('user.last'));\n\n        it('should initialize to model', function() {\n          expect(user.getText()).toContain('{\"name\":\"guest\",\"last\":\"visitor\"}');\n          expect(userNameValid.getText()).toContain('true');\n          expect(formValid.getText()).toContain('true');\n        });\n\n        it('should be invalid if empty when required', function() {\n          userNameInput.clear();\n          userNameInput.sendKeys('');\n\n          expect(user.getText()).toContain('{\"last\":\"visitor\"}');\n          expect(userNameValid.getText()).toContain('false');\n          expect(formValid.getText()).toContain('false');\n        });\n\n        it('should be valid if empty when min length is set', function() {\n          userLastInput.clear();\n          userLastInput.sendKeys('');\n\n          expect(user.getText()).toContain('{\"name\":\"guest\",\"last\":\"\"}');\n          expect(lastNameValid.getText()).toContain('true');\n          expect(formValid.getText()).toContain('true');\n        });\n\n        it('should be invalid if less than required min length', function() {\n          userLastInput.clear();\n          userLastInput.sendKeys('xx');\n\n          expect(user.getText()).toContain('{\"name\":\"guest\"}');\n          expect(lastNameValid.getText()).toContain('false');\n          expect(lastNameError.getText()).toContain('minlength');\n          expect(formValid.getText()).toContain('false');\n        });\n\n        it('should be invalid if longer than max length', function() {\n          userLastInput.clear();\n          userLastInput.sendKeys('some ridiculously long name');\n\n          expect(user.getText()).toContain('{\"name\":\"guest\"}');\n          expect(lastNameValid.getText()).toContain('false');\n          expect(lastNameError.getText()).toContain('maxlength');\n          expect(formValid.getText()).toContain('false');\n        });\n      </file>\n    </example>\n */\nvar inputDirective = ['$browser', '$sniffer', '$filter', '$parse',\n    function($browser, $sniffer, $filter, $parse) {\n  return {\n    restrict: 'E',\n    require: ['?ngModel'],\n    link: {\n      pre: function(scope, element, attr, ctrls) {\n        if (ctrls[0]) {\n          (inputType[lowercase(attr.type)] || inputType.text)(scope, element, attr, ctrls[0], $sniffer,\n                                                              $browser, $filter, $parse);\n        }\n      }\n    }\n  };\n}];\n\n\nvar hiddenInputBrowserCacheDirective = function() {\n  var valueProperty = {\n    configurable: true,\n    enumerable: false,\n    get: function() {\n      return this.getAttribute('value') || '';\n    },\n    set: function(val) {\n      this.setAttribute('value', val);\n    }\n  };\n\n  return {\n    restrict: 'E',\n    priority: 200,\n    compile: function(_, attr) {\n      if (lowercase(attr.type) !== 'hidden') {\n        return;\n      }\n\n      return {\n        pre: function(scope, element, attr, ctrls) {\n          var node = element[0];\n\n          // Support: Edge\n          // Moving the DOM around prevents autofillling\n          if (node.parentNode) {\n            node.parentNode.insertBefore(node, node.nextSibling);\n          }\n\n          // Support: FF, IE\n          // Avoiding direct assignment to .value prevents autofillling\n          if (Object.defineProperty) {\n            Object.defineProperty(node, 'value', valueProperty);\n          }\n        }\n      };\n    }\n  };\n};\n\n\n\nvar CONSTANT_VALUE_REGEXP = /^(true|false|\\d+)$/;\n/**\n * @ngdoc directive\n * @name ngValue\n * @restrict A\n * @priority 100\n *\n * @description\n * Binds the given expression to the value of the element.\n *\n * It is mainly used on {@link input[radio] `input[radio]`} and option elements,\n * so that when the element is selected, the {@link ngModel `ngModel`} of that element (or its\n * {@link select `select`} parent element) is set to the bound value. It is especially useful\n * for dynamically generated lists using {@link ngRepeat `ngRepeat`}, as shown below.\n *\n * It can also be used to achieve one-way binding of a given expression to an input element\n * such as an `input[text]` or a `textarea`, when that element does not use ngModel.\n *\n * @element ANY\n * @param {string=} ngValue AngularJS expression, whose value will be bound to the `value` attribute\n * and `value` property of the element.\n *\n * @example\n    <example name=\"ngValue-directive\" module=\"valueExample\">\n      <file name=\"index.html\">\n       <script>\n          angular.module('valueExample', [])\n            .controller('ExampleController', ['$scope', function($scope) {\n              $scope.names = ['pizza', 'unicorns', 'robots'];\n              $scope.my = { favorite: 'unicorns' };\n            }]);\n       </script>\n        <form ng-controller=\"ExampleController\">\n          <h2>Which is your favorite?</h2>\n            <label ng-repeat=\"name in names\" for=\"{{name}}\">\n              {{name}}\n              <input type=\"radio\"\n                     ng-model=\"my.favorite\"\n                     ng-value=\"name\"\n                     id=\"{{name}}\"\n                     name=\"favorite\">\n            </label>\n          <div>You chose {{my.favorite}}</div>\n        </form>\n      </file>\n      <file name=\"protractor.js\" type=\"protractor\">\n        var favorite = element(by.binding('my.favorite'));\n\n        it('should initialize to model', function() {\n          expect(favorite.getText()).toContain('unicorns');\n        });\n        it('should bind the values to the inputs', function() {\n          element.all(by.model('my.favorite')).get(0).click();\n          expect(favorite.getText()).toContain('pizza');\n        });\n      </file>\n    </example>\n */\nvar ngValueDirective = function() {\n  /**\n   *  inputs use the value attribute as their default value if the value property is not set.\n   *  Once the value property has been set (by adding input), it will not react to changes to\n   *  the value attribute anymore. Setting both attribute and property fixes this behavior, and\n   *  makes it possible to use ngValue as a sort of one-way bind.\n   */\n  function updateElementValue(element, attr, value) {\n    // Support: IE9 only\n    // In IE9 values are converted to string (e.g. `input.value = null` results in `input.value === 'null'`).\n    var propValue = isDefined(value) ? value : (msie === 9) ? '' : null;\n    element.prop('value', propValue);\n    attr.$set('value', value);\n  }\n\n  return {\n    restrict: 'A',\n    priority: 100,\n    compile: function(tpl, tplAttr) {\n      if (CONSTANT_VALUE_REGEXP.test(tplAttr.ngValue)) {\n        return function ngValueConstantLink(scope, elm, attr) {\n          var value = scope.$eval(attr.ngValue);\n          updateElementValue(elm, attr, value);\n        };\n      } else {\n        return function ngValueLink(scope, elm, attr) {\n          scope.$watch(attr.ngValue, function valueWatchAction(value) {\n            updateElementValue(elm, attr, value);\n          });\n        };\n      }\n    }\n  };\n};\n\n/**\n * @ngdoc directive\n * @name ngBind\n * @restrict AC\n *\n * @description\n * The `ngBind` attribute tells AngularJS to replace the text content of the specified HTML element\n * with the value of a given expression, and to update the text content when the value of that\n * expression changes.\n *\n * Typically, you don't use `ngBind` directly, but instead you use the double curly markup like\n * `{{ expression }}` which is similar but less verbose.\n *\n * It is preferable to use `ngBind` instead of `{{ expression }}` if a template is momentarily\n * displayed by the browser in its raw state before AngularJS compiles it. Since `ngBind` is an\n * element attribute, it makes the bindings invisible to the user while the page is loading.\n *\n * An alternative solution to this problem would be using the\n * {@link ng.directive:ngCloak ngCloak} directive.\n *\n *\n * @element ANY\n * @param {expression} ngBind {@link guide/expression Expression} to evaluate.\n *\n * @example\n * Enter a name in the Live Preview text box; the greeting below the text box changes instantly.\n   <example module=\"bindExample\" name=\"ng-bind\">\n     <file name=\"index.html\">\n       <script>\n         angular.module('bindExample', [])\n           .controller('ExampleController', ['$scope', function($scope) {\n             $scope.name = 'Whirled';\n           }]);\n       </script>\n       <div ng-controller=\"ExampleController\">\n         <label>Enter name: <input type=\"text\" ng-model=\"name\"></label><br>\n         Hello <span ng-bind=\"name\"></span>!\n       </div>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should check ng-bind', function() {\n         var nameInput = element(by.model('name'));\n\n         expect(element(by.binding('name')).getText()).toBe('Whirled');\n         nameInput.clear();\n         nameInput.sendKeys('world');\n         expect(element(by.binding('name')).getText()).toBe('world');\n       });\n     </file>\n   </example>\n */\nvar ngBindDirective = ['$compile', function($compile) {\n  return {\n    restrict: 'AC',\n    compile: function ngBindCompile(templateElement) {\n      $compile.$$addBindingClass(templateElement);\n      return function ngBindLink(scope, element, attr) {\n        $compile.$$addBindingInfo(element, attr.ngBind);\n        element = element[0];\n        scope.$watch(attr.ngBind, function ngBindWatchAction(value) {\n          element.textContent = stringify(value);\n        });\n      };\n    }\n  };\n}];\n\n\n/**\n * @ngdoc directive\n * @name ngBindTemplate\n *\n * @description\n * The `ngBindTemplate` directive specifies that the element\n * text content should be replaced with the interpolation of the template\n * in the `ngBindTemplate` attribute.\n * Unlike `ngBind`, the `ngBindTemplate` can contain multiple `{{` `}}`\n * expressions. This directive is needed since some HTML elements\n * (such as TITLE and OPTION) cannot contain SPAN elements.\n *\n * @element ANY\n * @param {string} ngBindTemplate template of form\n *   <tt>{{</tt> <tt>expression</tt> <tt>}}</tt> to eval.\n *\n * @example\n * Try it here: enter text in text box and watch the greeting change.\n   <example module=\"bindExample\" name=\"ng-bind-template\">\n     <file name=\"index.html\">\n       <script>\n         angular.module('bindExample', [])\n           .controller('ExampleController', ['$scope', function($scope) {\n             $scope.salutation = 'Hello';\n             $scope.name = 'World';\n           }]);\n       </script>\n       <div ng-controller=\"ExampleController\">\n        <label>Salutation: <input type=\"text\" ng-model=\"salutation\"></label><br>\n        <label>Name: <input type=\"text\" ng-model=\"name\"></label><br>\n        <pre ng-bind-template=\"{{salutation}} {{name}}!\"></pre>\n       </div>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should check ng-bind', function() {\n         var salutationElem = element(by.binding('salutation'));\n         var salutationInput = element(by.model('salutation'));\n         var nameInput = element(by.model('name'));\n\n         expect(salutationElem.getText()).toBe('Hello World!');\n\n         salutationInput.clear();\n         salutationInput.sendKeys('Greetings');\n         nameInput.clear();\n         nameInput.sendKeys('user');\n\n         expect(salutationElem.getText()).toBe('Greetings user!');\n       });\n     </file>\n   </example>\n */\nvar ngBindTemplateDirective = ['$interpolate', '$compile', function($interpolate, $compile) {\n  return {\n    compile: function ngBindTemplateCompile(templateElement) {\n      $compile.$$addBindingClass(templateElement);\n      return function ngBindTemplateLink(scope, element, attr) {\n        var interpolateFn = $interpolate(element.attr(attr.$attr.ngBindTemplate));\n        $compile.$$addBindingInfo(element, interpolateFn.expressions);\n        element = element[0];\n        attr.$observe('ngBindTemplate', function(value) {\n          element.textContent = isUndefined(value) ? '' : value;\n        });\n      };\n    }\n  };\n}];\n\n\n/**\n * @ngdoc directive\n * @name ngBindHtml\n *\n * @description\n * Evaluates the expression and inserts the resulting HTML into the element in a secure way. By default,\n * the resulting HTML content will be sanitized using the {@link ngSanitize.$sanitize $sanitize} service.\n * To utilize this functionality, ensure that `$sanitize` is available, for example, by including {@link\n * ngSanitize} in your module's dependencies (not in core AngularJS). In order to use {@link ngSanitize}\n * in your module's dependencies, you need to include \"angular-sanitize.js\" in your application.\n *\n * You may also bypass sanitization for values you know are safe. To do so, bind to\n * an explicitly trusted value via {@link ng.$sce#trustAsHtml $sce.trustAsHtml}.  See the example\n * under {@link ng.$sce#show-me-an-example-using-sce- Strict Contextual Escaping (SCE)}.\n *\n * Note: If a `$sanitize` service is unavailable and the bound value isn't explicitly trusted, you\n * will have an exception (instead of an exploit.)\n *\n * @element ANY\n * @param {expression} ngBindHtml {@link guide/expression Expression} to evaluate.\n *\n * @example\n\n   <example module=\"bindHtmlExample\" deps=\"angular-sanitize.js\" name=\"ng-bind-html\">\n     <file name=\"index.html\">\n       <div ng-controller=\"ExampleController\">\n        <p ng-bind-html=\"myHTML\"></p>\n       </div>\n     </file>\n\n     <file name=\"script.js\">\n       angular.module('bindHtmlExample', ['ngSanitize'])\n         .controller('ExampleController', ['$scope', function($scope) {\n           $scope.myHTML =\n              'I am an <code>HTML</code>string with ' +\n              '<a href=\"#\">links!</a> and other <em>stuff</em>';\n         }]);\n     </file>\n\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should check ng-bind-html', function() {\n         expect(element(by.binding('myHTML')).getText()).toBe(\n             'I am an HTMLstring with links! and other stuff');\n       });\n     </file>\n   </example>\n */\nvar ngBindHtmlDirective = ['$sce', '$parse', '$compile', function($sce, $parse, $compile) {\n  return {\n    restrict: 'A',\n    compile: function ngBindHtmlCompile(tElement, tAttrs) {\n      var ngBindHtmlGetter = $parse(tAttrs.ngBindHtml);\n      var ngBindHtmlWatch = $parse(tAttrs.ngBindHtml, function sceValueOf(val) {\n        // Unwrap the value to compare the actual inner safe value, not the wrapper object.\n        return $sce.valueOf(val);\n      });\n      $compile.$$addBindingClass(tElement);\n\n      return function ngBindHtmlLink(scope, element, attr) {\n        $compile.$$addBindingInfo(element, attr.ngBindHtml);\n\n        scope.$watch(ngBindHtmlWatch, function ngBindHtmlWatchAction() {\n          // The watched value is the unwrapped value. To avoid re-escaping, use the direct getter.\n          var value = ngBindHtmlGetter(scope);\n          element.html($sce.getTrustedHtml(value) || '');\n        });\n      };\n    }\n  };\n}];\n\n/**\n * @ngdoc directive\n * @name ngChange\n * @restrict A\n *\n * @description\n * Evaluate the given expression when the user changes the input.\n * The expression is evaluated immediately, unlike the JavaScript onchange event\n * which only triggers at the end of a change (usually, when the user leaves the\n * form element or presses the return key).\n *\n * The `ngChange` expression is only evaluated when a change in the input value causes\n * a new value to be committed to the model.\n *\n * It will not be evaluated:\n * * if the value returned from the `$parsers` transformation pipeline has not changed\n * * if the input has continued to be invalid since the model will stay `null`\n * * if the model is changed programmatically and not by a change to the input value\n *\n *\n * Note, this directive requires `ngModel` to be present.\n *\n * @element ANY\n * @param {expression} ngChange {@link guide/expression Expression} to evaluate upon change\n * in input value.\n *\n * @example\n * <example name=\"ngChange-directive\" module=\"changeExample\">\n *   <file name=\"index.html\">\n *     <script>\n *       angular.module('changeExample', [])\n *         .controller('ExampleController', ['$scope', function($scope) {\n *           $scope.counter = 0;\n *           $scope.change = function() {\n *             $scope.counter++;\n *           };\n *         }]);\n *     </script>\n *     <div ng-controller=\"ExampleController\">\n *       <input type=\"checkbox\" ng-model=\"confirmed\" ng-change=\"change()\" id=\"ng-change-example1\" />\n *       <input type=\"checkbox\" ng-model=\"confirmed\" id=\"ng-change-example2\" />\n *       <label for=\"ng-change-example2\">Confirmed</label><br />\n *       <tt>debug = {{confirmed}}</tt><br/>\n *       <tt>counter = {{counter}}</tt><br/>\n *     </div>\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n *     var counter = element(by.binding('counter'));\n *     var debug = element(by.binding('confirmed'));\n *\n *     it('should evaluate the expression if changing from view', function() {\n *       expect(counter.getText()).toContain('0');\n *\n *       element(by.id('ng-change-example1')).click();\n *\n *       expect(counter.getText()).toContain('1');\n *       expect(debug.getText()).toContain('true');\n *     });\n *\n *     it('should not evaluate the expression if changing from model', function() {\n *       element(by.id('ng-change-example2')).click();\n\n *       expect(counter.getText()).toContain('0');\n *       expect(debug.getText()).toContain('true');\n *     });\n *   </file>\n * </example>\n */\nvar ngChangeDirective = valueFn({\n  restrict: 'A',\n  require: 'ngModel',\n  link: function(scope, element, attr, ctrl) {\n    ctrl.$viewChangeListeners.push(function() {\n      scope.$eval(attr.ngChange);\n    });\n  }\n});\n\n/* exported\n  ngClassDirective,\n  ngClassEvenDirective,\n  ngClassOddDirective\n*/\n\nfunction classDirective(name, selector) {\n  name = 'ngClass' + name;\n  var indexWatchExpression;\n\n  return ['$parse', function($parse) {\n    return {\n      restrict: 'AC',\n      link: function(scope, element, attr) {\n        var classCounts = element.data('$classCounts');\n        var oldModulo = true;\n        var oldClassString;\n\n        if (!classCounts) {\n          // Use createMap() to prevent class assumptions involving property\n          // names in Object.prototype\n          classCounts = createMap();\n          element.data('$classCounts', classCounts);\n        }\n\n        if (name !== 'ngClass') {\n          if (!indexWatchExpression) {\n            indexWatchExpression = $parse('$index', function moduloTwo($index) {\n              // eslint-disable-next-line no-bitwise\n              return $index & 1;\n            });\n          }\n\n          scope.$watch(indexWatchExpression, ngClassIndexWatchAction);\n        }\n\n        scope.$watch($parse(attr[name], toClassString), ngClassWatchAction);\n\n        function addClasses(classString) {\n          classString = digestClassCounts(split(classString), 1);\n          attr.$addClass(classString);\n        }\n\n        function removeClasses(classString) {\n          classString = digestClassCounts(split(classString), -1);\n          attr.$removeClass(classString);\n        }\n\n        function updateClasses(oldClassString, newClassString) {\n          var oldClassArray = split(oldClassString);\n          var newClassArray = split(newClassString);\n\n          var toRemoveArray = arrayDifference(oldClassArray, newClassArray);\n          var toAddArray = arrayDifference(newClassArray, oldClassArray);\n\n          var toRemoveString = digestClassCounts(toRemoveArray, -1);\n          var toAddString = digestClassCounts(toAddArray, 1);\n\n          attr.$addClass(toAddString);\n          attr.$removeClass(toRemoveString);\n        }\n\n        function digestClassCounts(classArray, count) {\n          var classesToUpdate = [];\n\n          forEach(classArray, function(className) {\n            if (count > 0 || classCounts[className]) {\n              classCounts[className] = (classCounts[className] || 0) + count;\n              if (classCounts[className] === +(count > 0)) {\n                classesToUpdate.push(className);\n              }\n            }\n          });\n\n          return classesToUpdate.join(' ');\n        }\n\n        function ngClassIndexWatchAction(newModulo) {\n          // This watch-action should run before the `ngClassWatchAction()`, thus it\n          // adds/removes `oldClassString`. If the `ngClass` expression has changed as well, the\n          // `ngClassWatchAction()` will update the classes.\n          if (newModulo === selector) {\n            addClasses(oldClassString);\n          } else {\n            removeClasses(oldClassString);\n          }\n\n          oldModulo = newModulo;\n        }\n\n        function ngClassWatchAction(newClassString) {\n          if (oldModulo === selector) {\n            updateClasses(oldClassString, newClassString);\n          }\n\n          oldClassString = newClassString;\n        }\n      }\n    };\n  }];\n\n  // Helpers\n  function arrayDifference(tokens1, tokens2) {\n    if (!tokens1 || !tokens1.length) return [];\n    if (!tokens2 || !tokens2.length) return tokens1;\n\n    var values = [];\n\n    outer:\n    for (var i = 0; i < tokens1.length; i++) {\n      var token = tokens1[i];\n      for (var j = 0; j < tokens2.length; j++) {\n        if (token === tokens2[j]) continue outer;\n      }\n      values.push(token);\n    }\n\n    return values;\n  }\n\n  function split(classString) {\n    return classString && classString.split(' ');\n  }\n\n  function toClassString(classValue) {\n    if (!classValue) return classValue;\n\n    var classString = classValue;\n\n    if (isArray(classValue)) {\n      classString = classValue.map(toClassString).join(' ');\n    } else if (isObject(classValue)) {\n      classString = Object.keys(classValue).\n        filter(function(key) { return classValue[key]; }).\n        join(' ');\n    } else if (!isString(classValue)) {\n      classString = classValue + '';\n    }\n\n    return classString;\n  }\n}\n\n/**\n * @ngdoc directive\n * @name ngClass\n * @restrict AC\n * @element ANY\n *\n * @description\n * The `ngClass` directive allows you to dynamically set CSS classes on an HTML element by databinding\n * an expression that represents all classes to be added.\n *\n * The directive operates in three different ways, depending on which of three types the expression\n * evaluates to:\n *\n * 1. If the expression evaluates to a string, the string should be one or more space-delimited class\n * names.\n *\n * 2. If the expression evaluates to an object, then for each key-value pair of the\n * object with a truthy value the corresponding key is used as a class name.\n *\n * 3. If the expression evaluates to an array, each element of the array should either be a string as in\n * type 1 or an object as in type 2. This means that you can mix strings and objects together in an array\n * to give you more control over what CSS classes appear. See the code below for an example of this.\n *\n *\n * The directive won't add duplicate classes if a particular class was already set.\n *\n * When the expression changes, the previously added classes are removed and only then are the\n * new classes added.\n *\n * @knownIssue\n * You should not use {@link guide/interpolation interpolation} in the value of the `class`\n * attribute, when using the `ngClass` directive on the same element.\n * See {@link guide/interpolation#known-issues here} for more info.\n *\n * @animations\n * | Animation                        | Occurs                              |\n * |----------------------------------|-------------------------------------|\n * | {@link ng.$animate#addClass addClass}       | just before the class is applied to the element   |\n * | {@link ng.$animate#removeClass removeClass} | just before the class is removed from the element |\n * | {@link ng.$animate#setClass setClass} | just before classes are added and classes are removed from the element at the same time |\n *\n * ### ngClass and pre-existing CSS3 Transitions/Animations\n   The ngClass directive still supports CSS3 Transitions/Animations even if they do not follow the ngAnimate CSS naming structure.\n   Upon animation ngAnimate will apply supplementary CSS classes to track the start and end of an animation, but this will not hinder\n   any pre-existing CSS transitions already on the element. To get an idea of what happens during a class-based animation, be sure\n   to view the step by step details of {@link $animate#addClass $animate.addClass} and\n   {@link $animate#removeClass $animate.removeClass}.\n *\n * @param {expression} ngClass {@link guide/expression Expression} to eval. The result\n *   of the evaluation can be a string representing space delimited class\n *   names, an array, or a map of class names to boolean values. In the case of a map, the\n *   names of the properties whose values are truthy will be added as css classes to the\n *   element.\n *\n * @example\n * ### Basic\n   <example name=\"ng-class\">\n     <file name=\"index.html\">\n       <p ng-class=\"{strike: deleted, bold: important, 'has-error': error}\">Map Syntax Example</p>\n       <label>\n          <input type=\"checkbox\" ng-model=\"deleted\">\n          deleted (apply \"strike\" class)\n       </label><br>\n       <label>\n          <input type=\"checkbox\" ng-model=\"important\">\n          important (apply \"bold\" class)\n       </label><br>\n       <label>\n          <input type=\"checkbox\" ng-model=\"error\">\n          error (apply \"has-error\" class)\n       </label>\n       <hr>\n       <p ng-class=\"style\">Using String Syntax</p>\n       <input type=\"text\" ng-model=\"style\"\n              placeholder=\"Type: bold strike red\" aria-label=\"Type: bold strike red\">\n       <hr>\n       <p ng-class=\"[style1, style2, style3]\">Using Array Syntax</p>\n       <input ng-model=\"style1\"\n              placeholder=\"Type: bold, strike or red\" aria-label=\"Type: bold, strike or red\"><br>\n       <input ng-model=\"style2\"\n              placeholder=\"Type: bold, strike or red\" aria-label=\"Type: bold, strike or red 2\"><br>\n       <input ng-model=\"style3\"\n              placeholder=\"Type: bold, strike or red\" aria-label=\"Type: bold, strike or red 3\"><br>\n       <hr>\n       <p ng-class=\"[style4, {orange: warning}]\">Using Array and Map Syntax</p>\n       <input ng-model=\"style4\" placeholder=\"Type: bold, strike\" aria-label=\"Type: bold, strike\"><br>\n       <label><input type=\"checkbox\" ng-model=\"warning\"> warning (apply \"orange\" class)</label>\n     </file>\n     <file name=\"style.css\">\n       .strike {\n           text-decoration: line-through;\n       }\n       .bold {\n           font-weight: bold;\n       }\n       .red {\n           color: red;\n       }\n       .has-error {\n           color: red;\n           background-color: yellow;\n       }\n       .orange {\n           color: orange;\n       }\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       var ps = element.all(by.css('p'));\n\n       it('should let you toggle the class', function() {\n\n         expect(ps.first().getAttribute('class')).not.toMatch(/bold/);\n         expect(ps.first().getAttribute('class')).not.toMatch(/has-error/);\n\n         element(by.model('important')).click();\n         expect(ps.first().getAttribute('class')).toMatch(/bold/);\n\n         element(by.model('error')).click();\n         expect(ps.first().getAttribute('class')).toMatch(/has-error/);\n       });\n\n       it('should let you toggle string example', function() {\n         expect(ps.get(1).getAttribute('class')).toBe('');\n         element(by.model('style')).clear();\n         element(by.model('style')).sendKeys('red');\n         expect(ps.get(1).getAttribute('class')).toBe('red');\n       });\n\n       it('array example should have 3 classes', function() {\n         expect(ps.get(2).getAttribute('class')).toBe('');\n         element(by.model('style1')).sendKeys('bold');\n         element(by.model('style2')).sendKeys('strike');\n         element(by.model('style3')).sendKeys('red');\n         expect(ps.get(2).getAttribute('class')).toBe('bold strike red');\n       });\n\n       it('array with map example should have 2 classes', function() {\n         expect(ps.last().getAttribute('class')).toBe('');\n         element(by.model('style4')).sendKeys('bold');\n         element(by.model('warning')).click();\n         expect(ps.last().getAttribute('class')).toBe('bold orange');\n       });\n     </file>\n   </example>\n\n   @example\n   ### Animations\n\n   The example below demonstrates how to perform animations using ngClass.\n\n   <example module=\"ngAnimate\" deps=\"angular-animate.js\" animations=\"true\" name=\"ng-class\">\n     <file name=\"index.html\">\n      <input id=\"setbtn\" type=\"button\" value=\"set\" ng-click=\"myVar='my-class'\">\n      <input id=\"clearbtn\" type=\"button\" value=\"clear\" ng-click=\"myVar=''\">\n      <br>\n      <span class=\"base-class\" ng-class=\"myVar\">Sample Text</span>\n     </file>\n     <file name=\"style.css\">\n       .base-class {\n         transition:all cubic-bezier(0.250, 0.460, 0.450, 0.940) 0.5s;\n       }\n\n       .base-class.my-class {\n         color: red;\n         font-size:3em;\n       }\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should check ng-class', function() {\n         expect(element(by.css('.base-class')).getAttribute('class')).not.\n           toMatch(/my-class/);\n\n         element(by.id('setbtn')).click();\n\n         expect(element(by.css('.base-class')).getAttribute('class')).\n           toMatch(/my-class/);\n\n         element(by.id('clearbtn')).click();\n\n         expect(element(by.css('.base-class')).getAttribute('class')).not.\n           toMatch(/my-class/);\n       });\n     </file>\n   </example>\n */\nvar ngClassDirective = classDirective('', true);\n\n/**\n * @ngdoc directive\n * @name ngClassOdd\n * @restrict AC\n *\n * @description\n * The `ngClassOdd` and `ngClassEven` directives work exactly as\n * {@link ng.directive:ngClass ngClass}, except they work in\n * conjunction with `ngRepeat` and take effect only on odd (even) rows.\n *\n * This directive can be applied only within the scope of an\n * {@link ng.directive:ngRepeat ngRepeat}.\n *\n * @animations\n * | Animation                        | Occurs                              |\n * |----------------------------------|-------------------------------------|\n * | {@link ng.$animate#addClass addClass}       | just before the class is applied to the element   |\n * | {@link ng.$animate#removeClass removeClass} | just before the class is removed from the element |\n *\n * @element ANY\n * @param {expression} ngClassOdd {@link guide/expression Expression} to eval. The result\n *   of the evaluation can be a string representing space delimited class names or an array.\n *\n * @example\n   <example name=\"ng-class-odd\">\n     <file name=\"index.html\">\n        <ol ng-init=\"names=['John', 'Mary', 'Cate', 'Suz']\">\n          <li ng-repeat=\"name in names\">\n           <span ng-class-odd=\"'odd'\" ng-class-even=\"'even'\">\n             {{name}}\n           </span>\n          </li>\n        </ol>\n     </file>\n     <file name=\"style.css\">\n       .odd {\n         color: red;\n       }\n       .even {\n         color: blue;\n       }\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should check ng-class-odd and ng-class-even', function() {\n         expect(element(by.repeater('name in names').row(0).column('name')).getAttribute('class')).\n           toMatch(/odd/);\n         expect(element(by.repeater('name in names').row(1).column('name')).getAttribute('class')).\n           toMatch(/even/);\n       });\n     </file>\n   </example>\n *\n * <hr />\n * @example\n * An example on how to implement animations using `ngClassOdd`:\n *\n   <example module=\"ngAnimate\" deps=\"angular-animate.js\" animations=\"true\" name=\"ng-class-odd-animate\">\n     <file name=\"index.html\">\n       <div ng-init=\"items=['Item 3', 'Item 2', 'Item 1', 'Item 0']\">\n         <button ng-click=\"items.unshift('Item ' + items.length)\">Add item</button>\n         <hr />\n         <table>\n           <tr ng-repeat=\"item in items\" ng-class-odd=\"'odd'\">\n             <td>{{ item }}</td>\n           </tr>\n         </table>\n       </div>\n     </file>\n     <file name=\"style.css\">\n       .odd {\n         background: rgba(255, 255, 0, 0.25);\n       }\n\n       .odd-add, .odd-remove {\n         transition: 1.5s;\n       }\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should add new entries to the beginning of the list', function() {\n         var button = element(by.buttonText('Add item'));\n         var rows = element.all(by.repeater('item in items'));\n\n         expect(rows.count()).toBe(4);\n         expect(rows.get(0).getText()).toBe('Item 3');\n         expect(rows.get(1).getText()).toBe('Item 2');\n\n         button.click();\n\n         expect(rows.count()).toBe(5);\n         expect(rows.get(0).getText()).toBe('Item 4');\n         expect(rows.get(1).getText()).toBe('Item 3');\n       });\n\n       it('should add odd class to odd entries', function() {\n         var button = element(by.buttonText('Add item'));\n         var rows = element.all(by.repeater('item in items'));\n\n         expect(rows.get(0).getAttribute('class')).toMatch(/odd/);\n         expect(rows.get(1).getAttribute('class')).not.toMatch(/odd/);\n\n         button.click();\n\n         expect(rows.get(0).getAttribute('class')).toMatch(/odd/);\n         expect(rows.get(1).getAttribute('class')).not.toMatch(/odd/);\n       });\n     </file>\n   </example>\n */\nvar ngClassOddDirective = classDirective('Odd', 0);\n\n/**\n * @ngdoc directive\n * @name ngClassEven\n * @restrict AC\n *\n * @description\n * The `ngClassOdd` and `ngClassEven` directives work exactly as\n * {@link ng.directive:ngClass ngClass}, except they work in\n * conjunction with `ngRepeat` and take effect only on odd (even) rows.\n *\n * This directive can be applied only within the scope of an\n * {@link ng.directive:ngRepeat ngRepeat}.\n *\n * @animations\n * | Animation                        | Occurs                              |\n * |----------------------------------|-------------------------------------|\n * | {@link ng.$animate#addClass addClass}       | just before the class is applied to the element   |\n * | {@link ng.$animate#removeClass removeClass} | just before the class is removed from the element |\n *\n * @element ANY\n * @param {expression} ngClassEven {@link guide/expression Expression} to eval. The\n *   result of the evaluation can be a string representing space delimited class names or an array.\n *\n * @example\n   <example name=\"ng-class-even\">\n     <file name=\"index.html\">\n        <ol ng-init=\"names=['John', 'Mary', 'Cate', 'Suz']\">\n          <li ng-repeat=\"name in names\">\n           <span ng-class-odd=\"'odd'\" ng-class-even=\"'even'\">\n             {{name}} &nbsp; &nbsp; &nbsp;\n           </span>\n          </li>\n        </ol>\n     </file>\n     <file name=\"style.css\">\n       .odd {\n         color: red;\n       }\n       .even {\n         color: blue;\n       }\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should check ng-class-odd and ng-class-even', function() {\n         expect(element(by.repeater('name in names').row(0).column('name')).getAttribute('class')).\n           toMatch(/odd/);\n         expect(element(by.repeater('name in names').row(1).column('name')).getAttribute('class')).\n           toMatch(/even/);\n       });\n     </file>\n   </example>\n *\n * <hr />\n * @example\n * An example on how to implement animations using `ngClassEven`:\n *\n   <example module=\"ngAnimate\" deps=\"angular-animate.js\" animations=\"true\" name=\"ng-class-even-animate\">\n     <file name=\"index.html\">\n       <div ng-init=\"items=['Item 3', 'Item 2', 'Item 1', 'Item 0']\">\n         <button ng-click=\"items.unshift('Item ' + items.length)\">Add item</button>\n         <hr />\n         <table>\n           <tr ng-repeat=\"item in items\" ng-class-even=\"'even'\">\n             <td>{{ item }}</td>\n           </tr>\n         </table>\n       </div>\n     </file>\n     <file name=\"style.css\">\n       .even {\n         background: rgba(255, 255, 0, 0.25);\n       }\n\n       .even-add, .even-remove {\n         transition: 1.5s;\n       }\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should add new entries to the beginning of the list', function() {\n         var button = element(by.buttonText('Add item'));\n         var rows = element.all(by.repeater('item in items'));\n\n         expect(rows.count()).toBe(4);\n         expect(rows.get(0).getText()).toBe('Item 3');\n         expect(rows.get(1).getText()).toBe('Item 2');\n\n         button.click();\n\n         expect(rows.count()).toBe(5);\n         expect(rows.get(0).getText()).toBe('Item 4');\n         expect(rows.get(1).getText()).toBe('Item 3');\n       });\n\n       it('should add even class to even entries', function() {\n         var button = element(by.buttonText('Add item'));\n         var rows = element.all(by.repeater('item in items'));\n\n         expect(rows.get(0).getAttribute('class')).not.toMatch(/even/);\n         expect(rows.get(1).getAttribute('class')).toMatch(/even/);\n\n         button.click();\n\n         expect(rows.get(0).getAttribute('class')).not.toMatch(/even/);\n         expect(rows.get(1).getAttribute('class')).toMatch(/even/);\n       });\n     </file>\n   </example>\n */\nvar ngClassEvenDirective = classDirective('Even', 1);\n\n/**\n * @ngdoc directive\n * @name ngCloak\n * @restrict AC\n *\n * @description\n * The `ngCloak` directive is used to prevent the AngularJS html template from being briefly\n * displayed by the browser in its raw (uncompiled) form while your application is loading. Use this\n * directive to avoid the undesirable flicker effect caused by the html template display.\n *\n * The directive can be applied to the `<body>` element, but the preferred usage is to apply\n * multiple `ngCloak` directives to small portions of the page to permit progressive rendering\n * of the browser view.\n *\n * `ngCloak` works in cooperation with the following css rule embedded within `angular.js` and\n * `angular.min.js`.\n * For CSP mode please add `angular-csp.css` to your html file (see {@link ng.directive:ngCsp ngCsp}).\n *\n * ```css\n * [ng\\:cloak], [ng-cloak], [data-ng-cloak], [x-ng-cloak], .ng-cloak, .x-ng-cloak {\n *   display: none !important;\n * }\n * ```\n *\n * When this css rule is loaded by the browser, all html elements (including their children) that\n * are tagged with the `ngCloak` directive are hidden. When AngularJS encounters this directive\n * during the compilation of the template it deletes the `ngCloak` element attribute, making\n * the compiled element visible.\n *\n * For the best result, the `angular.js` script must be loaded in the head section of the html\n * document; alternatively, the css rule above must be included in the external stylesheet of the\n * application.\n *\n * @element ANY\n *\n * @example\n   <example name=\"ng-cloak\">\n     <file name=\"index.html\">\n        <div id=\"template1\" ng-cloak>{{ 'hello' }}</div>\n        <div id=\"template2\" class=\"ng-cloak\">{{ 'world' }}</div>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should remove the template directive and css class', function() {\n         expect($('#template1').getAttribute('ng-cloak')).\n           toBeNull();\n         expect($('#template2').getAttribute('ng-cloak')).\n           toBeNull();\n       });\n     </file>\n   </example>\n *\n */\nvar ngCloakDirective = ngDirective({\n  compile: function(element, attr) {\n    attr.$set('ngCloak', undefined);\n    element.removeClass('ng-cloak');\n  }\n});\n\n/**\n * @ngdoc directive\n * @name ngController\n *\n * @description\n * The `ngController` directive attaches a controller class to the view. This is a key aspect of how angular\n * supports the principles behind the Model-View-Controller design pattern.\n *\n * MVC components in angular:\n *\n * * Model — Models are the properties of a scope; scopes are attached to the DOM where scope properties\n *   are accessed through bindings.\n * * View — The template (HTML with data bindings) that is rendered into the View.\n * * Controller — The `ngController` directive specifies a Controller class; the class contains business\n *   logic behind the application to decorate the scope with functions and values\n *\n * Note that you can also attach controllers to the DOM by declaring it in a route definition\n * via the {@link ngRoute.$route $route} service. A common mistake is to declare the controller\n * again using `ng-controller` in the template itself.  This will cause the controller to be attached\n * and executed twice.\n *\n * @element ANY\n * @scope\n * @priority 500\n * @param {expression} ngController Name of a constructor function registered with the current\n * {@link ng.$controllerProvider $controllerProvider} or an {@link guide/expression expression}\n * that on the current scope evaluates to a constructor function.\n *\n * The controller instance can be published into a scope property by specifying\n * `ng-controller=\"as propertyName\"`.\n *\n * @example\n * Here is a simple form for editing user contact information. Adding, removing, clearing, and\n * greeting are methods declared on the controller (see source tab). These methods can\n * easily be called from the AngularJS markup. Any changes to the data are automatically reflected\n * in the View without the need for a manual update.\n *\n * Two different declaration styles are included below:\n *\n * * one binds methods and properties directly onto the controller using `this`:\n * `ng-controller=\"SettingsController1 as settings\"`\n * * one injects `$scope` into the controller:\n * `ng-controller=\"SettingsController2\"`\n *\n * The second option is more common in the AngularJS community, and is generally used in boilerplates\n * and in this guide. However, there are advantages to binding properties directly to the controller\n * and avoiding scope.\n *\n * * Using `controller as` makes it obvious which controller you are accessing in the template when\n * multiple controllers apply to an element.\n * * If you are writing your controllers as classes you have easier access to the properties and\n * methods, which will appear on the scope, from inside the controller code.\n * * Since there is always a `.` in the bindings, you don't have to worry about prototypal\n * inheritance masking primitives.\n *\n * This example demonstrates the `controller as` syntax.\n *\n * <example name=\"ngControllerAs\" module=\"controllerAsExample\">\n *   <file name=\"index.html\">\n *    <div id=\"ctrl-as-exmpl\" ng-controller=\"SettingsController1 as settings\">\n *      <label>Name: <input type=\"text\" ng-model=\"settings.name\"/></label>\n *      <button ng-click=\"settings.greet()\">greet</button><br/>\n *      Contact:\n *      <ul>\n *        <li ng-repeat=\"contact in settings.contacts\">\n *          <select ng-model=\"contact.type\" aria-label=\"Contact method\" id=\"select_{{$index}}\">\n *             <option>phone</option>\n *             <option>email</option>\n *          </select>\n *          <input type=\"text\" ng-model=\"contact.value\" aria-labelledby=\"select_{{$index}}\" />\n *          <button ng-click=\"settings.clearContact(contact)\">clear</button>\n *          <button ng-click=\"settings.removeContact(contact)\" aria-label=\"Remove\">X</button>\n *        </li>\n *        <li><button ng-click=\"settings.addContact()\">add</button></li>\n *     </ul>\n *    </div>\n *   </file>\n *   <file name=\"app.js\">\n *    angular.module('controllerAsExample', [])\n *      .controller('SettingsController1', SettingsController1);\n *\n *    function SettingsController1() {\n *      this.name = 'John Smith';\n *      this.contacts = [\n *        {type: 'phone', value: '408 555 1212'},\n *        {type: 'email', value: 'john.smith@example.org'}\n *      ];\n *    }\n *\n *    SettingsController1.prototype.greet = function() {\n *      alert(this.name);\n *    };\n *\n *    SettingsController1.prototype.addContact = function() {\n *      this.contacts.push({type: 'email', value: 'yourname@example.org'});\n *    };\n *\n *    SettingsController1.prototype.removeContact = function(contactToRemove) {\n *     var index = this.contacts.indexOf(contactToRemove);\n *      this.contacts.splice(index, 1);\n *    };\n *\n *    SettingsController1.prototype.clearContact = function(contact) {\n *      contact.type = 'phone';\n *      contact.value = '';\n *    };\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n *     it('should check controller as', function() {\n *       var container = element(by.id('ctrl-as-exmpl'));\n *         expect(container.element(by.model('settings.name'))\n *           .getAttribute('value')).toBe('John Smith');\n *\n *       var firstRepeat =\n *           container.element(by.repeater('contact in settings.contacts').row(0));\n *       var secondRepeat =\n *           container.element(by.repeater('contact in settings.contacts').row(1));\n *\n *       expect(firstRepeat.element(by.model('contact.value')).getAttribute('value'))\n *           .toBe('408 555 1212');\n *\n *       expect(secondRepeat.element(by.model('contact.value')).getAttribute('value'))\n *           .toBe('john.smith@example.org');\n *\n *       firstRepeat.element(by.buttonText('clear')).click();\n *\n *       expect(firstRepeat.element(by.model('contact.value')).getAttribute('value'))\n *           .toBe('');\n *\n *       container.element(by.buttonText('add')).click();\n *\n *       expect(container.element(by.repeater('contact in settings.contacts').row(2))\n *           .element(by.model('contact.value'))\n *           .getAttribute('value'))\n *           .toBe('yourname@example.org');\n *     });\n *   </file>\n * </example>\n *\n * This example demonstrates the \"attach to `$scope`\" style of controller.\n *\n * <example name=\"ngController\" module=\"controllerExample\">\n *  <file name=\"index.html\">\n *   <div id=\"ctrl-exmpl\" ng-controller=\"SettingsController2\">\n *     <label>Name: <input type=\"text\" ng-model=\"name\"/></label>\n *     <button ng-click=\"greet()\">greet</button><br/>\n *     Contact:\n *     <ul>\n *       <li ng-repeat=\"contact in contacts\">\n *         <select ng-model=\"contact.type\" id=\"select_{{$index}}\">\n *            <option>phone</option>\n *            <option>email</option>\n *         </select>\n *         <input type=\"text\" ng-model=\"contact.value\" aria-labelledby=\"select_{{$index}}\" />\n *         <button ng-click=\"clearContact(contact)\">clear</button>\n *         <button ng-click=\"removeContact(contact)\">X</button>\n *       </li>\n *       <li>[ <button ng-click=\"addContact()\">add</button> ]</li>\n *    </ul>\n *   </div>\n *  </file>\n *  <file name=\"app.js\">\n *   angular.module('controllerExample', [])\n *     .controller('SettingsController2', ['$scope', SettingsController2]);\n *\n *   function SettingsController2($scope) {\n *     $scope.name = 'John Smith';\n *     $scope.contacts = [\n *       {type:'phone', value:'408 555 1212'},\n *       {type:'email', value:'john.smith@example.org'}\n *     ];\n *\n *     $scope.greet = function() {\n *       alert($scope.name);\n *     };\n *\n *     $scope.addContact = function() {\n *       $scope.contacts.push({type:'email', value:'yourname@example.org'});\n *     };\n *\n *     $scope.removeContact = function(contactToRemove) {\n *       var index = $scope.contacts.indexOf(contactToRemove);\n *       $scope.contacts.splice(index, 1);\n *     };\n *\n *     $scope.clearContact = function(contact) {\n *       contact.type = 'phone';\n *       contact.value = '';\n *     };\n *   }\n *  </file>\n *  <file name=\"protractor.js\" type=\"protractor\">\n *    it('should check controller', function() {\n *      var container = element(by.id('ctrl-exmpl'));\n *\n *      expect(container.element(by.model('name'))\n *          .getAttribute('value')).toBe('John Smith');\n *\n *      var firstRepeat =\n *          container.element(by.repeater('contact in contacts').row(0));\n *      var secondRepeat =\n *          container.element(by.repeater('contact in contacts').row(1));\n *\n *      expect(firstRepeat.element(by.model('contact.value')).getAttribute('value'))\n *          .toBe('408 555 1212');\n *      expect(secondRepeat.element(by.model('contact.value')).getAttribute('value'))\n *          .toBe('john.smith@example.org');\n *\n *      firstRepeat.element(by.buttonText('clear')).click();\n *\n *      expect(firstRepeat.element(by.model('contact.value')).getAttribute('value'))\n *          .toBe('');\n *\n *      container.element(by.buttonText('add')).click();\n *\n *      expect(container.element(by.repeater('contact in contacts').row(2))\n *          .element(by.model('contact.value'))\n *          .getAttribute('value'))\n *          .toBe('yourname@example.org');\n *    });\n *  </file>\n *</example>\n\n */\nvar ngControllerDirective = [function() {\n  return {\n    restrict: 'A',\n    scope: true,\n    controller: '@',\n    priority: 500\n  };\n}];\n\n/**\n * @ngdoc directive\n * @name ngCsp\n *\n * @restrict A\n * @element ANY\n * @description\n *\n * AngularJS has some features that can conflict with certain restrictions that are applied when using\n * [CSP (Content Security Policy)](https://developer.mozilla.org/en/Security/CSP) rules.\n *\n * If you intend to implement CSP with these rules then you must tell AngularJS not to use these\n * features.\n *\n * This is necessary when developing things like Google Chrome Extensions or Universal Windows Apps.\n *\n *\n * The following default rules in CSP affect AngularJS:\n *\n * * The use of `eval()`, `Function(string)` and similar functions to dynamically create and execute\n * code from strings is forbidden. AngularJS makes use of this in the {@link $parse} service to\n * provide a 30% increase in the speed of evaluating AngularJS expressions. (This CSP rule can be\n * disabled with the CSP keyword `unsafe-eval`, but it is generally not recommended as it would\n * weaken the protections offered by CSP.)\n *\n * * The use of inline resources, such as inline `<script>` and `<style>` elements, are forbidden.\n * This prevents apps from injecting custom styles directly into the document. AngularJS makes use of\n * this to include some CSS rules (e.g. {@link ngCloak} and {@link ngHide}). To make these\n * directives work when a CSP rule is blocking inline styles, you must link to the `angular-csp.css`\n * in your HTML manually. (This CSP rule can be disabled with the CSP keyword `unsafe-inline`, but\n * it is generally not recommended as it would weaken the protections offered by CSP.)\n *\n * If you do not provide `ngCsp` then AngularJS tries to autodetect if CSP is blocking dynamic code\n * creation from strings (e.g., `unsafe-eval` not specified in CSP header) and automatically\n * deactivates this feature in the {@link $parse} service. This autodetection, however, triggers a\n * CSP error to be logged in the console:\n *\n * ```\n * Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of\n * script in the following Content Security Policy directive: \"default-src 'self'\". Note that\n * 'script-src' was not explicitly set, so 'default-src' is used as a fallback.\n * ```\n *\n * This error is harmless but annoying. To prevent the error from showing up, put the `ngCsp`\n * directive on an element of the HTML document that appears before the `<script>` tag that loads\n * the `angular.js` file.\n *\n * *Note: This directive is only available in the `ng-csp` and `data-ng-csp` attribute form.*\n *\n * You can specify which of the CSP related AngularJS features should be deactivated by providing\n * a value for the `ng-csp` attribute. The options are as follows:\n *\n * * no-inline-style: this stops AngularJS from injecting CSS styles into the DOM\n *\n * * no-unsafe-eval: this stops AngularJS from optimizing $parse with unsafe eval of strings\n *\n * You can use these values in the following combinations:\n *\n *\n * * No declaration means that AngularJS will assume that you can do inline styles, but it will do\n * a runtime check for unsafe-eval. E.g. `<body>`. This is backwardly compatible with previous\n * versions of AngularJS.\n *\n * * A simple `ng-csp` (or `data-ng-csp`) attribute will tell AngularJS to deactivate both inline\n * styles and unsafe eval. E.g. `<body ng-csp>`. This is backwardly compatible with previous\n * versions of AngularJS.\n *\n * * Specifying only `no-unsafe-eval` tells AngularJS that we must not use eval, but that we can\n * inject inline styles. E.g. `<body ng-csp=\"no-unsafe-eval\">`.\n *\n * * Specifying only `no-inline-style` tells AngularJS that we must not inject styles, but that we can\n * run eval - no automatic check for unsafe eval will occur. E.g. `<body ng-csp=\"no-inline-style\">`\n *\n * * Specifying both `no-unsafe-eval` and `no-inline-style` tells AngularJS that we must not inject\n * styles nor use eval, which is the same as an empty: ng-csp.\n * E.g.`<body ng-csp=\"no-inline-style;no-unsafe-eval\">`\n *\n * @example\n *\n * This example shows how to apply the `ngCsp` directive to the `html` tag.\n   ```html\n     <!doctype html>\n     <html ng-app ng-csp>\n     ...\n     ...\n     </html>\n   ```\n\n  <!-- Note: the `.csp` suffix in the example name triggers CSP mode in our http server! -->\n  <example name=\"example.csp\" module=\"cspExample\" ng-csp=\"true\">\n    <file name=\"index.html\">\n      <div ng-controller=\"MainController as ctrl\">\n        <div>\n          <button ng-click=\"ctrl.inc()\" id=\"inc\">Increment</button>\n          <span id=\"counter\">\n            {{ctrl.counter}}\n          </span>\n        </div>\n\n        <div>\n          <button ng-click=\"ctrl.evil()\" id=\"evil\">Evil</button>\n          <span id=\"evilError\">\n            {{ctrl.evilError}}\n          </span>\n        </div>\n      </div>\n    </file>\n    <file name=\"script.js\">\n       angular.module('cspExample', [])\n         .controller('MainController', function MainController() {\n            this.counter = 0;\n            this.inc = function() {\n              this.counter++;\n            };\n            this.evil = function() {\n              try {\n                eval('1+2'); // eslint-disable-line no-eval\n              } catch (e) {\n                this.evilError = e.message;\n              }\n            };\n          });\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n      var util, webdriver;\n\n      var incBtn = element(by.id('inc'));\n      var counter = element(by.id('counter'));\n      var evilBtn = element(by.id('evil'));\n      var evilError = element(by.id('evilError'));\n\n      function getAndClearSevereErrors() {\n        return browser.manage().logs().get('browser').then(function(browserLog) {\n          return browserLog.filter(function(logEntry) {\n            return logEntry.level.value > webdriver.logging.Level.WARNING.value;\n          });\n        });\n      }\n\n      function clearErrors() {\n        getAndClearSevereErrors();\n      }\n\n      function expectNoErrors() {\n        getAndClearSevereErrors().then(function(filteredLog) {\n          expect(filteredLog.length).toEqual(0);\n          if (filteredLog.length) {\n            console.log('browser console errors: ' + util.inspect(filteredLog));\n          }\n        });\n      }\n\n      function expectError(regex) {\n        getAndClearSevereErrors().then(function(filteredLog) {\n          var found = false;\n          filteredLog.forEach(function(log) {\n            if (log.message.match(regex)) {\n              found = true;\n            }\n          });\n          if (!found) {\n            throw new Error('expected an error that matches ' + regex);\n          }\n        });\n      }\n\n      beforeEach(function() {\n        util = require('util');\n        webdriver = require('selenium-webdriver');\n      });\n\n      // For now, we only test on Chrome,\n      // as Safari does not load the page with Protractor's injected scripts,\n      // and Firefox webdriver always disables content security policy (#6358)\n      if (browser.params.browser !== 'chrome') {\n        return;\n      }\n\n      it('should not report errors when the page is loaded', function() {\n        // clear errors so we are not dependent on previous tests\n        clearErrors();\n        // Need to reload the page as the page is already loaded when\n        // we come here\n        browser.driver.getCurrentUrl().then(function(url) {\n          browser.get(url);\n        });\n        expectNoErrors();\n      });\n\n      it('should evaluate expressions', function() {\n        expect(counter.getText()).toEqual('0');\n        incBtn.click();\n        expect(counter.getText()).toEqual('1');\n        expectNoErrors();\n      });\n\n      it('should throw and report an error when using \"eval\"', function() {\n        evilBtn.click();\n        expect(evilError.getText()).toMatch(/Content Security Policy/);\n        expectError(/Content Security Policy/);\n      });\n    </file>\n  </example>\n  */\n\n// `ngCsp` is not implemented as a proper directive any more, because we need it be processed while\n// we bootstrap the app (before `$parse` is instantiated). For this reason, we just have the `csp()`\n// fn that looks for the `ng-csp` attribute anywhere in the current doc.\n\n/**\n * @ngdoc directive\n * @name ngClick\n * @restrict A\n * @element ANY\n * @priority 0\n *\n * @description\n * The ngClick directive allows you to specify custom behavior when\n * an element is clicked.\n *\n * @param {expression} ngClick {@link guide/expression Expression} to evaluate upon\n * click. ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n   <example name=\"ng-click\">\n     <file name=\"index.html\">\n      <button ng-click=\"count = count + 1\" ng-init=\"count=0\">\n        Increment\n      </button>\n      <span>\n        count: {{count}}\n      </span>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should check ng-click', function() {\n         expect(element(by.binding('count')).getText()).toMatch('0');\n         element(by.css('button')).click();\n         expect(element(by.binding('count')).getText()).toMatch('1');\n       });\n     </file>\n   </example>\n */\n/*\n * A collection of directives that allows creation of custom event handlers that are defined as\n * AngularJS expressions and are compiled and executed within the current scope.\n */\nvar ngEventDirectives = {};\n\n// For events that might fire synchronously during DOM manipulation\n// we need to execute their event handlers asynchronously using $evalAsync,\n// so that they are not executed in an inconsistent state.\nvar forceAsyncEvents = {\n  'blur': true,\n  'focus': true\n};\nforEach(\n  'click dblclick mousedown mouseup mouseover mouseout mousemove mouseenter mouseleave keydown keyup keypress submit focus blur copy cut paste'.split(' '),\n  function(eventName) {\n    var directiveName = directiveNormalize('ng-' + eventName);\n    ngEventDirectives[directiveName] = ['$parse', '$rootScope', '$exceptionHandler', function($parse, $rootScope, $exceptionHandler) {\n      return createEventDirective($parse, $rootScope, $exceptionHandler, directiveName, eventName, forceAsyncEvents[eventName]);\n    }];\n  }\n);\n\nfunction createEventDirective($parse, $rootScope, $exceptionHandler, directiveName, eventName, forceAsync) {\n  return {\n    restrict: 'A',\n    compile: function($element, attr) {\n      // NOTE:\n      // We expose the powerful `$event` object on the scope that provides access to the Window,\n      // etc. This is OK, because expressions are not sandboxed any more (and the expression\n      // sandbox was never meant to be a security feature anyway).\n      var fn = $parse(attr[directiveName]);\n      return function ngEventHandler(scope, element) {\n        element.on(eventName, function(event) {\n          var callback = function() {\n            fn(scope, {$event: event});\n          };\n\n          if (!$rootScope.$$phase) {\n            scope.$apply(callback);\n          } else if (forceAsync) {\n            scope.$evalAsync(callback);\n          } else {\n            try {\n              callback();\n            } catch (error) {\n              $exceptionHandler(error);\n            }\n          }\n        });\n      };\n    }\n  };\n}\n\n/**\n * @ngdoc directive\n * @name ngDblclick\n * @restrict A\n * @element ANY\n * @priority 0\n *\n * @description\n * The `ngDblclick` directive allows you to specify custom behavior on a dblclick event.\n *\n * @param {expression} ngDblclick {@link guide/expression Expression} to evaluate upon\n * a dblclick. (The Event object is available as `$event`)\n *\n * @example\n   <example name=\"ng-dblclick\">\n     <file name=\"index.html\">\n      <button ng-dblclick=\"count = count + 1\" ng-init=\"count=0\">\n        Increment (on double click)\n      </button>\n      count: {{count}}\n     </file>\n   </example>\n */\n\n\n/**\n * @ngdoc directive\n * @name ngMousedown\n * @restrict A\n * @element ANY\n * @priority 0\n *\n * @description\n * The ngMousedown directive allows you to specify custom behavior on mousedown event.\n *\n * @param {expression} ngMousedown {@link guide/expression Expression} to evaluate upon\n * mousedown. ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n   <example name=\"ng-mousedown\">\n     <file name=\"index.html\">\n      <button ng-mousedown=\"count = count + 1\" ng-init=\"count=0\">\n        Increment (on mouse down)\n      </button>\n      count: {{count}}\n     </file>\n   </example>\n */\n\n\n/**\n * @ngdoc directive\n * @name ngMouseup\n * @restrict A\n * @element ANY\n * @priority 0\n *\n * @description\n * Specify custom behavior on mouseup event.\n *\n * @param {expression} ngMouseup {@link guide/expression Expression} to evaluate upon\n * mouseup. ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n   <example name=\"ng-mouseup\">\n     <file name=\"index.html\">\n      <button ng-mouseup=\"count = count + 1\" ng-init=\"count=0\">\n        Increment (on mouse up)\n      </button>\n      count: {{count}}\n     </file>\n   </example>\n */\n\n/**\n * @ngdoc directive\n * @name ngMouseover\n * @restrict A\n * @element ANY\n * @priority 0\n *\n * @description\n * Specify custom behavior on mouseover event.\n *\n * @param {expression} ngMouseover {@link guide/expression Expression} to evaluate upon\n * mouseover. ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n   <example name=\"ng-mouseover\">\n     <file name=\"index.html\">\n      <button ng-mouseover=\"count = count + 1\" ng-init=\"count=0\">\n        Increment (when mouse is over)\n      </button>\n      count: {{count}}\n     </file>\n   </example>\n */\n\n\n/**\n * @ngdoc directive\n * @name ngMouseenter\n * @restrict A\n * @element ANY\n * @priority 0\n *\n * @description\n * Specify custom behavior on mouseenter event.\n *\n * @param {expression} ngMouseenter {@link guide/expression Expression} to evaluate upon\n * mouseenter. ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n   <example name=\"ng-mouseenter\">\n     <file name=\"index.html\">\n      <button ng-mouseenter=\"count = count + 1\" ng-init=\"count=0\">\n        Increment (when mouse enters)\n      </button>\n      count: {{count}}\n     </file>\n   </example>\n */\n\n\n/**\n * @ngdoc directive\n * @name ngMouseleave\n * @restrict A\n * @element ANY\n * @priority 0\n *\n * @description\n * Specify custom behavior on mouseleave event.\n *\n * @param {expression} ngMouseleave {@link guide/expression Expression} to evaluate upon\n * mouseleave. ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n   <example name=\"ng-mouseleave\">\n     <file name=\"index.html\">\n      <button ng-mouseleave=\"count = count + 1\" ng-init=\"count=0\">\n        Increment (when mouse leaves)\n      </button>\n      count: {{count}}\n     </file>\n   </example>\n */\n\n\n/**\n * @ngdoc directive\n * @name ngMousemove\n * @restrict A\n * @element ANY\n * @priority 0\n *\n * @description\n * Specify custom behavior on mousemove event.\n *\n * @param {expression} ngMousemove {@link guide/expression Expression} to evaluate upon\n * mousemove. ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n   <example name=\"ng-mousemove\">\n     <file name=\"index.html\">\n      <button ng-mousemove=\"count = count + 1\" ng-init=\"count=0\">\n        Increment (when mouse moves)\n      </button>\n      count: {{count}}\n     </file>\n   </example>\n */\n\n\n/**\n * @ngdoc directive\n * @name ngKeydown\n * @restrict A\n * @element ANY\n * @priority 0\n *\n * @description\n * Specify custom behavior on keydown event.\n *\n * @param {expression} ngKeydown {@link guide/expression Expression} to evaluate upon\n * keydown. (Event object is available as `$event` and can be interrogated for keyCode, altKey, etc.)\n *\n * @example\n   <example name=\"ng-keydown\">\n     <file name=\"index.html\">\n      <input ng-keydown=\"count = count + 1\" ng-init=\"count=0\">\n      key down count: {{count}}\n     </file>\n   </example>\n */\n\n\n/**\n * @ngdoc directive\n * @name ngKeyup\n * @restrict A\n * @element ANY\n * @priority 0\n *\n * @description\n * Specify custom behavior on keyup event.\n *\n * @param {expression} ngKeyup {@link guide/expression Expression} to evaluate upon\n * keyup. (Event object is available as `$event` and can be interrogated for keyCode, altKey, etc.)\n *\n * @example\n   <example name=\"ng-keyup\">\n     <file name=\"index.html\">\n       <p>Typing in the input box below updates the key count</p>\n       <input ng-keyup=\"count = count + 1\" ng-init=\"count=0\"> key up count: {{count}}\n\n       <p>Typing in the input box below updates the keycode</p>\n       <input ng-keyup=\"event=$event\">\n       <p>event keyCode: {{ event.keyCode }}</p>\n       <p>event altKey: {{ event.altKey }}</p>\n     </file>\n   </example>\n */\n\n\n/**\n * @ngdoc directive\n * @name ngKeypress\n * @restrict A\n * @element ANY\n *\n * @description\n * Specify custom behavior on keypress event.\n *\n * @param {expression} ngKeypress {@link guide/expression Expression} to evaluate upon\n * keypress. ({@link guide/expression#-event- Event object is available as `$event`}\n * and can be interrogated for keyCode, altKey, etc.)\n *\n * @example\n   <example name=\"ng-keypress\">\n     <file name=\"index.html\">\n      <input ng-keypress=\"count = count + 1\" ng-init=\"count=0\">\n      key press count: {{count}}\n     </file>\n   </example>\n */\n\n\n/**\n * @ngdoc directive\n * @name ngSubmit\n * @restrict A\n * @element form\n * @priority 0\n *\n * @description\n * Enables binding AngularJS expressions to onsubmit events.\n *\n * Additionally it prevents the default action (which for form means sending the request to the\n * server and reloading the current page), but only if the form does not contain `action`,\n * `data-action`, or `x-action` attributes.\n *\n * <div class=\"alert alert-warning\">\n * **Warning:** Be careful not to cause \"double-submission\" by using both the `ngClick` and\n * `ngSubmit` handlers together. See the\n * {@link form#submitting-a-form-and-preventing-the-default-action `form` directive documentation}\n * for a detailed discussion of when `ngSubmit` may be triggered.\n * </div>\n *\n * @param {expression} ngSubmit {@link guide/expression Expression} to eval.\n * ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n   <example module=\"submitExample\" name=\"ng-submit\">\n     <file name=\"index.html\">\n      <script>\n        angular.module('submitExample', [])\n          .controller('ExampleController', ['$scope', function($scope) {\n            $scope.list = [];\n            $scope.text = 'hello';\n            $scope.submit = function() {\n              if ($scope.text) {\n                $scope.list.push(this.text);\n                $scope.text = '';\n              }\n            };\n          }]);\n      </script>\n      <form ng-submit=\"submit()\" ng-controller=\"ExampleController\">\n        Enter text and hit enter:\n        <input type=\"text\" ng-model=\"text\" name=\"text\" />\n        <input type=\"submit\" id=\"submit\" value=\"Submit\" />\n        <pre>list={{list}}</pre>\n      </form>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should check ng-submit', function() {\n         expect(element(by.binding('list')).getText()).toBe('list=[]');\n         element(by.css('#submit')).click();\n         expect(element(by.binding('list')).getText()).toContain('hello');\n         expect(element(by.model('text')).getAttribute('value')).toBe('');\n       });\n       it('should ignore empty strings', function() {\n         expect(element(by.binding('list')).getText()).toBe('list=[]');\n         element(by.css('#submit')).click();\n         element(by.css('#submit')).click();\n         expect(element(by.binding('list')).getText()).toContain('hello');\n        });\n     </file>\n   </example>\n */\n\n/**\n * @ngdoc directive\n * @name ngFocus\n * @restrict A\n * @element window, input, select, textarea, a\n * @priority 0\n *\n * @description\n * Specify custom behavior on focus event.\n *\n * Note: As the `focus` event is executed synchronously when calling `input.focus()`\n * AngularJS executes the expression using `scope.$evalAsync` if the event is fired\n * during an `$apply` to ensure a consistent state.\n *\n * @param {expression} ngFocus {@link guide/expression Expression} to evaluate upon\n * focus. ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n * See {@link ng.directive:ngClick ngClick}\n */\n\n/**\n * @ngdoc directive\n * @name ngBlur\n * @restrict A\n * @element window, input, select, textarea, a\n * @priority 0\n *\n * @description\n * Specify custom behavior on blur event.\n *\n * A [blur event](https://developer.mozilla.org/en-US/docs/Web/Events/blur) fires when\n * an element has lost focus.\n *\n * Note: As the `blur` event is executed synchronously also during DOM manipulations\n * (e.g. removing a focussed input),\n * AngularJS executes the expression using `scope.$evalAsync` if the event is fired\n * during an `$apply` to ensure a consistent state.\n *\n * @param {expression} ngBlur {@link guide/expression Expression} to evaluate upon\n * blur. ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n * See {@link ng.directive:ngClick ngClick}\n */\n\n/**\n * @ngdoc directive\n * @name ngCopy\n * @restrict A\n * @element window, input, select, textarea, a\n * @priority 0\n *\n * @description\n * Specify custom behavior on copy event.\n *\n * @param {expression} ngCopy {@link guide/expression Expression} to evaluate upon\n * copy. ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n   <example name=\"ng-copy\">\n     <file name=\"index.html\">\n      <input ng-copy=\"copied=true\" ng-init=\"copied=false; value='copy me'\" ng-model=\"value\">\n      copied: {{copied}}\n     </file>\n   </example>\n */\n\n/**\n * @ngdoc directive\n * @name ngCut\n * @restrict A\n * @element window, input, select, textarea, a\n * @priority 0\n *\n * @description\n * Specify custom behavior on cut event.\n *\n * @param {expression} ngCut {@link guide/expression Expression} to evaluate upon\n * cut. ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n   <example name=\"ng-cut\">\n     <file name=\"index.html\">\n      <input ng-cut=\"cut=true\" ng-init=\"cut=false; value='cut me'\" ng-model=\"value\">\n      cut: {{cut}}\n     </file>\n   </example>\n */\n\n/**\n * @ngdoc directive\n * @name ngPaste\n * @restrict A\n * @element window, input, select, textarea, a\n * @priority 0\n *\n * @description\n * Specify custom behavior on paste event.\n *\n * @param {expression} ngPaste {@link guide/expression Expression} to evaluate upon\n * paste. ({@link guide/expression#-event- Event object is available as `$event`})\n *\n * @example\n   <example name=\"ng-paste\">\n     <file name=\"index.html\">\n      <input ng-paste=\"paste=true\" ng-init=\"paste=false\" placeholder='paste here'>\n      pasted: {{paste}}\n     </file>\n   </example>\n */\n\n/**\n * @ngdoc directive\n * @name ngIf\n * @restrict A\n * @multiElement\n *\n * @description\n * The `ngIf` directive removes or recreates a portion of the DOM tree based on an\n * {expression}. If the expression assigned to `ngIf` evaluates to a false\n * value then the element is removed from the DOM, otherwise a clone of the\n * element is reinserted into the DOM.\n *\n * `ngIf` differs from `ngShow` and `ngHide` in that `ngIf` completely removes and recreates the\n * element in the DOM rather than changing its visibility via the `display` css property.  A common\n * case when this difference is significant is when using css selectors that rely on an element's\n * position within the DOM, such as the `:first-child` or `:last-child` pseudo-classes.\n *\n * Note that when an element is removed using `ngIf` its scope is destroyed and a new scope\n * is created when the element is restored.  The scope created within `ngIf` inherits from\n * its parent scope using\n * [prototypal inheritance](https://github.com/angular/angular.js/wiki/Understanding-Scopes#javascript-prototypal-inheritance).\n * An important implication of this is if `ngModel` is used within `ngIf` to bind to\n * a javascript primitive defined in the parent scope. In this case any modifications made to the\n * variable within the child scope will override (hide) the value in the parent scope.\n *\n * Also, `ngIf` recreates elements using their compiled state. An example of this behavior\n * is if an element's class attribute is directly modified after it's compiled, using something like\n * jQuery's `.addClass()` method, and the element is later removed. When `ngIf` recreates the element\n * the added class will be lost because the original compiled state is used to regenerate the element.\n *\n * Additionally, you can provide animations via the `ngAnimate` module to animate the `enter`\n * and `leave` effects.\n *\n * @animations\n * | Animation                        | Occurs                               |\n * |----------------------------------|-------------------------------------|\n * | {@link ng.$animate#enter enter}  | just after the `ngIf` contents change and a new DOM element is created and injected into the `ngIf` container |\n * | {@link ng.$animate#leave leave}  | just before the `ngIf` contents are removed from the DOM |\n *\n * @element ANY\n * @scope\n * @priority 600\n * @param {expression} ngIf If the {@link guide/expression expression} is falsy then\n *     the element is removed from the DOM tree. If it is truthy a copy of the compiled\n *     element is added to the DOM tree.\n *\n * @example\n  <example module=\"ngAnimate\" deps=\"angular-animate.js\" animations=\"true\" name=\"ng-if\">\n    <file name=\"index.html\">\n      <label>Click me: <input type=\"checkbox\" ng-model=\"checked\" ng-init=\"checked=true\" /></label><br/>\n      Show when checked:\n      <span ng-if=\"checked\" class=\"animate-if\">\n        This is removed when the checkbox is unchecked.\n      </span>\n    </file>\n    <file name=\"animations.css\">\n      .animate-if {\n        background:white;\n        border:1px solid black;\n        padding:10px;\n      }\n\n      .animate-if.ng-enter, .animate-if.ng-leave {\n        transition:all cubic-bezier(0.250, 0.460, 0.450, 0.940) 0.5s;\n      }\n\n      .animate-if.ng-enter,\n      .animate-if.ng-leave.ng-leave-active {\n        opacity:0;\n      }\n\n      .animate-if.ng-leave,\n      .animate-if.ng-enter.ng-enter-active {\n        opacity:1;\n      }\n    </file>\n  </example>\n */\nvar ngIfDirective = ['$animate', '$compile', function($animate, $compile) {\n  return {\n    multiElement: true,\n    transclude: 'element',\n    priority: 600,\n    terminal: true,\n    restrict: 'A',\n    $$tlb: true,\n    link: function($scope, $element, $attr, ctrl, $transclude) {\n        var block, childScope, previousElements;\n        $scope.$watch($attr.ngIf, function ngIfWatchAction(value) {\n\n          if (value) {\n            if (!childScope) {\n              $transclude(function(clone, newScope) {\n                childScope = newScope;\n                clone[clone.length++] = $compile.$$createComment('end ngIf', $attr.ngIf);\n                // Note: We only need the first/last node of the cloned nodes.\n                // However, we need to keep the reference to the jqlite wrapper as it might be changed later\n                // by a directive with templateUrl when its template arrives.\n                block = {\n                  clone: clone\n                };\n                $animate.enter(clone, $element.parent(), $element);\n              });\n            }\n          } else {\n            if (previousElements) {\n              previousElements.remove();\n              previousElements = null;\n            }\n            if (childScope) {\n              childScope.$destroy();\n              childScope = null;\n            }\n            if (block) {\n              previousElements = getBlockNodes(block.clone);\n              $animate.leave(previousElements).done(function(response) {\n                if (response !== false) previousElements = null;\n              });\n              block = null;\n            }\n          }\n        });\n    }\n  };\n}];\n\n/**\n * @ngdoc directive\n * @name ngInclude\n * @restrict ECA\n * @scope\n * @priority -400\n *\n * @description\n * Fetches, compiles and includes an external HTML fragment.\n *\n * By default, the template URL is restricted to the same domain and protocol as the\n * application document. This is done by calling {@link $sce#getTrustedResourceUrl\n * $sce.getTrustedResourceUrl} on it. To load templates from other domains or protocols\n * you may either {@link ng.$sceDelegateProvider#resourceUrlWhitelist whitelist them} or\n * {@link $sce#trustAsResourceUrl wrap them} as trusted values. Refer to AngularJS's {@link\n * ng.$sce Strict Contextual Escaping}.\n *\n * In addition, the browser's\n * [Same Origin Policy](https://code.google.com/p/browsersec/wiki/Part2#Same-origin_policy_for_XMLHttpRequest)\n * and [Cross-Origin Resource Sharing (CORS)](http://www.w3.org/TR/cors/)\n * policy may further restrict whether the template is successfully loaded.\n * For example, `ngInclude` won't work for cross-domain requests on all browsers and for `file://`\n * access on some browsers.\n *\n * @animations\n * | Animation                        | Occurs                              |\n * |----------------------------------|-------------------------------------|\n * | {@link ng.$animate#enter enter}  | when the expression changes, on the new include |\n * | {@link ng.$animate#leave leave}  | when the expression changes, on the old include |\n *\n * The enter and leave animation occur concurrently.\n *\n * @param {string} ngInclude|src AngularJS expression evaluating to URL. If the source is a string constant,\n *                 make sure you wrap it in **single** quotes, e.g. `src=\"'myPartialTemplate.html'\"`.\n * @param {string=} onload Expression to evaluate when a new partial is loaded.\n *                  <div class=\"alert alert-warning\">\n *                  **Note:** When using onload on SVG elements in IE11, the browser will try to call\n *                  a function with the name on the window element, which will usually throw a\n *                  \"function is undefined\" error. To fix this, you can instead use `data-onload` or a\n *                  different form that {@link guide/directive#normalization matches} `onload`.\n *                  </div>\n   *\n * @param {string=} autoscroll Whether `ngInclude` should call {@link ng.$anchorScroll\n *                  $anchorScroll} to scroll the viewport after the content is loaded.\n *\n *                  - If the attribute is not set, disable scrolling.\n *                  - If the attribute is set without value, enable scrolling.\n *                  - Otherwise enable scrolling only if the expression evaluates to truthy value.\n *\n * @example\n  <example module=\"includeExample\" deps=\"angular-animate.js\" animations=\"true\" name=\"ng-include\">\n    <file name=\"index.html\">\n     <div ng-controller=\"ExampleController\">\n       <select ng-model=\"template\" ng-options=\"t.name for t in templates\">\n        <option value=\"\">(blank)</option>\n       </select>\n       url of the template: <code>{{template.url}}</code>\n       <hr/>\n       <div class=\"slide-animate-container\">\n         <div class=\"slide-animate\" ng-include=\"template.url\"></div>\n       </div>\n     </div>\n    </file>\n    <file name=\"script.js\">\n      angular.module('includeExample', ['ngAnimate'])\n        .controller('ExampleController', ['$scope', function($scope) {\n          $scope.templates =\n            [{ name: 'template1.html', url: 'template1.html'},\n             { name: 'template2.html', url: 'template2.html'}];\n          $scope.template = $scope.templates[0];\n        }]);\n     </file>\n    <file name=\"template1.html\">\n      Content of template1.html\n    </file>\n    <file name=\"template2.html\">\n      Content of template2.html\n    </file>\n    <file name=\"animations.css\">\n      .slide-animate-container {\n        position:relative;\n        background:white;\n        border:1px solid black;\n        height:40px;\n        overflow:hidden;\n      }\n\n      .slide-animate {\n        padding:10px;\n      }\n\n      .slide-animate.ng-enter, .slide-animate.ng-leave {\n        transition:all cubic-bezier(0.250, 0.460, 0.450, 0.940) 0.5s;\n\n        position:absolute;\n        top:0;\n        left:0;\n        right:0;\n        bottom:0;\n        display:block;\n        padding:10px;\n      }\n\n      .slide-animate.ng-enter {\n        top:-50px;\n      }\n      .slide-animate.ng-enter.ng-enter-active {\n        top:0;\n      }\n\n      .slide-animate.ng-leave {\n        top:0;\n      }\n      .slide-animate.ng-leave.ng-leave-active {\n        top:50px;\n      }\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n      var templateSelect = element(by.model('template'));\n      var includeElem = element(by.css('[ng-include]'));\n\n      it('should load template1.html', function() {\n        expect(includeElem.getText()).toMatch(/Content of template1.html/);\n      });\n\n      it('should load template2.html', function() {\n        if (browser.params.browser === 'firefox') {\n          // Firefox can't handle using selects\n          // See https://github.com/angular/protractor/issues/480\n          return;\n        }\n        templateSelect.click();\n        templateSelect.all(by.css('option')).get(2).click();\n        expect(includeElem.getText()).toMatch(/Content of template2.html/);\n      });\n\n      it('should change to blank', function() {\n        if (browser.params.browser === 'firefox') {\n          // Firefox can't handle using selects\n          return;\n        }\n        templateSelect.click();\n        templateSelect.all(by.css('option')).get(0).click();\n        expect(includeElem.isPresent()).toBe(false);\n      });\n    </file>\n  </example>\n */\n\n\n/**\n * @ngdoc event\n * @name ngInclude#$includeContentRequested\n * @eventType emit on the scope ngInclude was declared in\n * @description\n * Emitted every time the ngInclude content is requested.\n *\n * @param {Object} angularEvent Synthetic event object.\n * @param {String} src URL of content to load.\n */\n\n\n/**\n * @ngdoc event\n * @name ngInclude#$includeContentLoaded\n * @eventType emit on the current ngInclude scope\n * @description\n * Emitted every time the ngInclude content is reloaded.\n *\n * @param {Object} angularEvent Synthetic event object.\n * @param {String} src URL of content to load.\n */\n\n\n/**\n * @ngdoc event\n * @name ngInclude#$includeContentError\n * @eventType emit on the scope ngInclude was declared in\n * @description\n * Emitted when a template HTTP request yields an erroneous response (status < 200 || status > 299)\n *\n * @param {Object} angularEvent Synthetic event object.\n * @param {String} src URL of content to load.\n */\nvar ngIncludeDirective = ['$templateRequest', '$anchorScroll', '$animate',\n                  function($templateRequest,   $anchorScroll,   $animate) {\n  return {\n    restrict: 'ECA',\n    priority: 400,\n    terminal: true,\n    transclude: 'element',\n    controller: angular.noop,\n    compile: function(element, attr) {\n      var srcExp = attr.ngInclude || attr.src,\n          onloadExp = attr.onload || '',\n          autoScrollExp = attr.autoscroll;\n\n      return function(scope, $element, $attr, ctrl, $transclude) {\n        var changeCounter = 0,\n            currentScope,\n            previousElement,\n            currentElement;\n\n        var cleanupLastIncludeContent = function() {\n          if (previousElement) {\n            previousElement.remove();\n            previousElement = null;\n          }\n          if (currentScope) {\n            currentScope.$destroy();\n            currentScope = null;\n          }\n          if (currentElement) {\n            $animate.leave(currentElement).done(function(response) {\n              if (response !== false) previousElement = null;\n            });\n            previousElement = currentElement;\n            currentElement = null;\n          }\n        };\n\n        scope.$watch(srcExp, function ngIncludeWatchAction(src) {\n          var afterAnimation = function(response) {\n            if (response !== false && isDefined(autoScrollExp) &&\n              (!autoScrollExp || scope.$eval(autoScrollExp))) {\n                $anchorScroll();\n            }\n          };\n          var thisChangeId = ++changeCounter;\n\n          if (src) {\n            //set the 2nd param to true to ignore the template request error so that the inner\n            //contents and scope can be cleaned up.\n            $templateRequest(src, true).then(function(response) {\n              if (scope.$$destroyed) return;\n\n              if (thisChangeId !== changeCounter) return;\n              var newScope = scope.$new();\n              ctrl.template = response;\n\n              // Note: This will also link all children of ng-include that were contained in the original\n              // html. If that content contains controllers, ... they could pollute/change the scope.\n              // However, using ng-include on an element with additional content does not make sense...\n              // Note: We can't remove them in the cloneAttchFn of $transclude as that\n              // function is called before linking the content, which would apply child\n              // directives to non existing elements.\n              var clone = $transclude(newScope, function(clone) {\n                cleanupLastIncludeContent();\n                $animate.enter(clone, null, $element).done(afterAnimation);\n              });\n\n              currentScope = newScope;\n              currentElement = clone;\n\n              currentScope.$emit('$includeContentLoaded', src);\n              scope.$eval(onloadExp);\n            }, function() {\n              if (scope.$$destroyed) return;\n\n              if (thisChangeId === changeCounter) {\n                cleanupLastIncludeContent();\n                scope.$emit('$includeContentError', src);\n              }\n            });\n            scope.$emit('$includeContentRequested', src);\n          } else {\n            cleanupLastIncludeContent();\n            ctrl.template = null;\n          }\n        });\n      };\n    }\n  };\n}];\n\n// This directive is called during the $transclude call of the first `ngInclude` directive.\n// It will replace and compile the content of the element with the loaded template.\n// We need this directive so that the element content is already filled when\n// the link function of another directive on the same element as ngInclude\n// is called.\nvar ngIncludeFillContentDirective = ['$compile',\n  function($compile) {\n    return {\n      restrict: 'ECA',\n      priority: -400,\n      require: 'ngInclude',\n      link: function(scope, $element, $attr, ctrl) {\n        if (toString.call($element[0]).match(/SVG/)) {\n          // WebKit: https://bugs.webkit.org/show_bug.cgi?id=135698 --- SVG elements do not\n          // support innerHTML, so detect this here and try to generate the contents\n          // specially.\n          $element.empty();\n          $compile(jqLiteBuildFragment(ctrl.template, window.document).childNodes)(scope,\n              function namespaceAdaptedClone(clone) {\n            $element.append(clone);\n          }, {futureParentElement: $element});\n          return;\n        }\n\n        $element.html(ctrl.template);\n        $compile($element.contents())(scope);\n      }\n    };\n  }];\n\n/**\n * @ngdoc directive\n * @name ngInit\n * @restrict AC\n * @priority 450\n * @element ANY\n *\n * @param {expression} ngInit {@link guide/expression Expression} to eval.\n *\n * @description\n * The `ngInit` directive allows you to evaluate an expression in the\n * current scope.\n *\n * <div class=\"alert alert-danger\">\n * This directive can be abused to add unnecessary amounts of logic into your templates.\n * There are only a few appropriate uses of `ngInit`:\n * <ul>\n *   <li>aliasing special properties of {@link ng.directive:ngRepeat `ngRepeat`},\n *     as seen in the demo below.</li>\n *   <li>initializing data during development, or for examples, as seen throughout these docs.</li>\n *   <li>injecting data via server side scripting.</li>\n * </ul>\n *\n * Besides these few cases, you should use {@link guide/component Components} or\n * {@link guide/controller Controllers} rather than `ngInit` to initialize values on a scope.\n * </div>\n *\n * <div class=\"alert alert-warning\">\n * **Note**: If you have assignment in `ngInit` along with a {@link ng.$filter `filter`}, make\n * sure you have parentheses to ensure correct operator precedence:\n * <pre class=\"prettyprint\">\n * `<div ng-init=\"test1 = ($index | toString)\"></div>`\n * </pre>\n * </div>\n *\n * @example\n   <example module=\"initExample\" name=\"ng-init\">\n     <file name=\"index.html\">\n   <script>\n     angular.module('initExample', [])\n       .controller('ExampleController', ['$scope', function($scope) {\n         $scope.list = [['a', 'b'], ['c', 'd']];\n       }]);\n   </script>\n   <div ng-controller=\"ExampleController\">\n     <div ng-repeat=\"innerList in list\" ng-init=\"outerIndex = $index\">\n       <div ng-repeat=\"value in innerList\" ng-init=\"innerIndex = $index\">\n          <span class=\"example-init\">list[ {{outerIndex}} ][ {{innerIndex}} ] = {{value}};</span>\n       </div>\n     </div>\n   </div>\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       it('should alias index positions', function() {\n         var elements = element.all(by.css('.example-init'));\n         expect(elements.get(0).getText()).toBe('list[ 0 ][ 0 ] = a;');\n         expect(elements.get(1).getText()).toBe('list[ 0 ][ 1 ] = b;');\n         expect(elements.get(2).getText()).toBe('list[ 1 ][ 0 ] = c;');\n         expect(elements.get(3).getText()).toBe('list[ 1 ][ 1 ] = d;');\n       });\n     </file>\n   </example>\n */\nvar ngInitDirective = ngDirective({\n  priority: 450,\n  compile: function() {\n    return {\n      pre: function(scope, element, attrs) {\n        scope.$eval(attrs.ngInit);\n      }\n    };\n  }\n});\n\n/**\n * @ngdoc directive\n * @name ngList\n * @restrict A\n * @priority 100\n *\n * @param {string=} ngList optional delimiter that should be used to split the value.\n *\n * @description\n * Text input that converts between a delimited string and an array of strings. The default\n * delimiter is a comma followed by a space - equivalent to `ng-list=\", \"`. You can specify a custom\n * delimiter as the value of the `ngList` attribute - for example, `ng-list=\" | \"`.\n *\n * The behaviour of the directive is affected by the use of the `ngTrim` attribute.\n * * If `ngTrim` is set to `\"false\"` then whitespace around both the separator and each\n *   list item is respected. This implies that the user of the directive is responsible for\n *   dealing with whitespace but also allows you to use whitespace as a delimiter, such as a\n *   tab or newline character.\n * * Otherwise whitespace around the delimiter is ignored when splitting (although it is respected\n *   when joining the list items back together) and whitespace around each list item is stripped\n *   before it is added to the model.\n *\n * @example\n * ### Validation\n *\n * <example name=\"ngList-directive\" module=\"listExample\">\n *   <file name=\"app.js\">\n *      angular.module('listExample', [])\n *        .controller('ExampleController', ['$scope', function($scope) {\n *          $scope.names = ['morpheus', 'neo', 'trinity'];\n *        }]);\n *   </file>\n *   <file name=\"index.html\">\n *    <form name=\"myForm\" ng-controller=\"ExampleController\">\n *      <label>List: <input name=\"namesInput\" ng-model=\"names\" ng-list required></label>\n *      <span role=\"alert\">\n *        <span class=\"error\" ng-show=\"myForm.namesInput.$error.required\">\n *        Required!</span>\n *      </span>\n *      <br>\n *      <tt>names = {{names}}</tt><br/>\n *      <tt>myForm.namesInput.$valid = {{myForm.namesInput.$valid}}</tt><br/>\n *      <tt>myForm.namesInput.$error = {{myForm.namesInput.$error}}</tt><br/>\n *      <tt>myForm.$valid = {{myForm.$valid}}</tt><br/>\n *      <tt>myForm.$error.required = {{!!myForm.$error.required}}</tt><br/>\n *     </form>\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n *     var listInput = element(by.model('names'));\n *     var names = element(by.exactBinding('names'));\n *     var valid = element(by.binding('myForm.namesInput.$valid'));\n *     var error = element(by.css('span.error'));\n *\n *     it('should initialize to model', function() {\n *       expect(names.getText()).toContain('[\"morpheus\",\"neo\",\"trinity\"]');\n *       expect(valid.getText()).toContain('true');\n *       expect(error.getCssValue('display')).toBe('none');\n *     });\n *\n *     it('should be invalid if empty', function() {\n *       listInput.clear();\n *       listInput.sendKeys('');\n *\n *       expect(names.getText()).toContain('');\n *       expect(valid.getText()).toContain('false');\n *       expect(error.getCssValue('display')).not.toBe('none');\n *     });\n *   </file>\n * </example>\n *\n * @example\n * ### Splitting on newline\n *\n * <example name=\"ngList-directive-newlines\">\n *   <file name=\"index.html\">\n *    <textarea ng-model=\"list\" ng-list=\"&#10;\" ng-trim=\"false\"></textarea>\n *    <pre>{{ list | json }}</pre>\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n *     it(\"should split the text by newlines\", function() {\n *       var listInput = element(by.model('list'));\n *       var output = element(by.binding('list | json'));\n *       listInput.sendKeys('abc\\ndef\\nghi');\n *       expect(output.getText()).toContain('[\\n  \"abc\",\\n  \"def\",\\n  \"ghi\"\\n]');\n *     });\n *   </file>\n * </example>\n *\n */\nvar ngListDirective = function() {\n  return {\n    restrict: 'A',\n    priority: 100,\n    require: 'ngModel',\n    link: function(scope, element, attr, ctrl) {\n      var ngList = attr.ngList || ', ';\n      var trimValues = attr.ngTrim !== 'false';\n      var separator = trimValues ? trim(ngList) : ngList;\n\n      var parse = function(viewValue) {\n        // If the viewValue is invalid (say required but empty) it will be `undefined`\n        if (isUndefined(viewValue)) return;\n\n        var list = [];\n\n        if (viewValue) {\n          forEach(viewValue.split(separator), function(value) {\n            if (value) list.push(trimValues ? trim(value) : value);\n          });\n        }\n\n        return list;\n      };\n\n      ctrl.$parsers.push(parse);\n      ctrl.$formatters.push(function(value) {\n        if (isArray(value)) {\n          return value.join(ngList);\n        }\n\n        return undefined;\n      });\n\n      // Override the standard $isEmpty because an empty array means the input is empty.\n      ctrl.$isEmpty = function(value) {\n        return !value || !value.length;\n      };\n    }\n  };\n};\n\n/* global VALID_CLASS: true,\n  INVALID_CLASS: true,\n  PRISTINE_CLASS: true,\n  DIRTY_CLASS: true,\n  UNTOUCHED_CLASS: true,\n  TOUCHED_CLASS: true,\n  PENDING_CLASS: true,\n  addSetValidityMethod: true,\n  setupValidity: true,\n  defaultModelOptions: false\n*/\n\n\nvar VALID_CLASS = 'ng-valid',\n    INVALID_CLASS = 'ng-invalid',\n    PRISTINE_CLASS = 'ng-pristine',\n    DIRTY_CLASS = 'ng-dirty',\n    UNTOUCHED_CLASS = 'ng-untouched',\n    TOUCHED_CLASS = 'ng-touched',\n    EMPTY_CLASS = 'ng-empty',\n    NOT_EMPTY_CLASS = 'ng-not-empty';\n\nvar ngModelMinErr = minErr('ngModel');\n\n/**\n * @ngdoc type\n * @name ngModel.NgModelController\n * @property {*} $viewValue The actual value from the control's view. For `input` elements, this is a\n * String. See {@link ngModel.NgModelController#$setViewValue} for information about when the $viewValue\n * is set.\n *\n * @property {*} $modelValue The value in the model that the control is bound to.\n *\n * @property {Array.<Function>} $parsers Array of functions to execute, as a pipeline, whenever\n *  the control updates the ngModelController with a new {@link ngModel.NgModelController#$viewValue\n    `$viewValue`} from the DOM, usually via user input.\n    See {@link ngModel.NgModelController#$setViewValue `$setViewValue()`} for a detailed lifecycle explanation.\n    Note that the `$parsers` are not called when the bound ngModel expression changes programmatically.\n\n  The functions are called in array order, each passing\n    its return value through to the next. The last return value is forwarded to the\n    {@link ngModel.NgModelController#$validators `$validators`} collection.\n\n  Parsers are used to sanitize / convert the {@link ngModel.NgModelController#$viewValue\n    `$viewValue`}.\n\n  Returning `undefined` from a parser means a parse error occurred. In that case,\n    no {@link ngModel.NgModelController#$validators `$validators`} will run and the `ngModel`\n    will be set to `undefined` unless {@link ngModelOptions `ngModelOptions.allowInvalid`}\n    is set to `true`. The parse error is stored in `ngModel.$error.parse`.\n\n  This simple example shows a parser that would convert text input value to lowercase:\n * ```js\n * function parse(value) {\n *   if (value) {\n *     return value.toLowerCase();\n *   }\n * }\n * ngModelController.$parsers.push(parse);\n * ```\n\n *\n * @property {Array.<Function>} $formatters Array of functions to execute, as a pipeline, whenever\n    the bound ngModel expression changes programmatically. The `$formatters` are not called when the\n    value of the control is changed by user interaction.\n\n  Formatters are used to format / convert the {@link ngModel.NgModelController#$modelValue\n    `$modelValue`} for display in the control.\n\n  The functions are called in reverse array order, each passing the value through to the\n    next. The last return value is used as the actual DOM value.\n\n  This simple example shows a formatter that would convert the model value to uppercase:\n\n * ```js\n * function format(value) {\n *   if (value) {\n *     return value.toUpperCase();\n *   }\n * }\n * ngModel.$formatters.push(format);\n * ```\n *\n * @property {Object.<string, function>} $validators A collection of validators that are applied\n *      whenever the model value changes. The key value within the object refers to the name of the\n *      validator while the function refers to the validation operation. The validation operation is\n *      provided with the model value as an argument and must return a true or false value depending\n *      on the response of that validation.\n *\n * ```js\n * ngModel.$validators.validCharacters = function(modelValue, viewValue) {\n *   var value = modelValue || viewValue;\n *   return /[0-9]+/.test(value) &&\n *          /[a-z]+/.test(value) &&\n *          /[A-Z]+/.test(value) &&\n *          /\\W+/.test(value);\n * };\n * ```\n *\n * @property {Object.<string, function>} $asyncValidators A collection of validations that are expected to\n *      perform an asynchronous validation (e.g. a HTTP request). The validation function that is provided\n *      is expected to return a promise when it is run during the model validation process. Once the promise\n *      is delivered then the validation status will be set to true when fulfilled and false when rejected.\n *      When the asynchronous validators are triggered, each of the validators will run in parallel and the model\n *      value will only be updated once all validators have been fulfilled. As long as an asynchronous validator\n *      is unfulfilled, its key will be added to the controllers `$pending` property. Also, all asynchronous validators\n *      will only run once all synchronous validators have passed.\n *\n * Please note that if $http is used then it is important that the server returns a success HTTP response code\n * in order to fulfill the validation and a status level of `4xx` in order to reject the validation.\n *\n * ```js\n * ngModel.$asyncValidators.uniqueUsername = function(modelValue, viewValue) {\n *   var value = modelValue || viewValue;\n *\n *   // Lookup user by username\n *   return $http.get('/api/users/' + value).\n *      then(function resolved() {\n *        //username exists, this means validation fails\n *        return $q.reject('exists');\n *      }, function rejected() {\n *        //username does not exist, therefore this validation passes\n *        return true;\n *      });\n * };\n * ```\n *\n * @property {Array.<Function>} $viewChangeListeners Array of functions to execute whenever\n *     a change to {@link ngModel.NgModelController#$viewValue `$viewValue`} has caused a change\n *     to {@link ngModel.NgModelController#$modelValue `$modelValue`}.\n *     It is called with no arguments, and its return value is ignored.\n *     This can be used in place of additional $watches against the model value.\n *\n * @property {Object} $error An object hash with all failing validator ids as keys.\n * @property {Object} $pending An object hash with all pending validator ids as keys.\n *\n * @property {boolean} $untouched True if control has not lost focus yet.\n * @property {boolean} $touched True if control has lost focus.\n * @property {boolean} $pristine True if user has not interacted with the control yet.\n * @property {boolean} $dirty True if user has already interacted with the control.\n * @property {boolean} $valid True if there is no error.\n * @property {boolean} $invalid True if at least one error on the control.\n * @property {string} $name The name attribute of the control.\n *\n * @description\n *\n * `NgModelController` provides API for the {@link ngModel `ngModel`} directive.\n * The controller contains services for data-binding, validation, CSS updates, and value formatting\n * and parsing. It purposefully does not contain any logic which deals with DOM rendering or\n * listening to DOM events.\n * Such DOM related logic should be provided by other directives which make use of\n * `NgModelController` for data-binding to control elements.\n * AngularJS provides this DOM logic for most {@link input `input`} elements.\n * At the end of this page you can find a {@link ngModel.NgModelController#custom-control-example\n * custom control example} that uses `ngModelController` to bind to `contenteditable` elements.\n *\n * @example\n * ### Custom Control Example\n * This example shows how to use `NgModelController` with a custom control to achieve\n * data-binding. Notice how different directives (`contenteditable`, `ng-model`, and `required`)\n * collaborate together to achieve the desired result.\n *\n * `contenteditable` is an HTML5 attribute, which tells the browser to let the element\n * contents be edited in place by the user.\n *\n * We are using the {@link ng.service:$sce $sce} service here and include the {@link ngSanitize $sanitize}\n * module to automatically remove \"bad\" content like inline event listener (e.g. `<span onclick=\"...\">`).\n * However, as we are using `$sce` the model can still decide to provide unsafe content if it marks\n * that content using the `$sce` service.\n *\n * <example name=\"NgModelController\" module=\"customControl\" deps=\"angular-sanitize.js\">\n    <file name=\"style.css\">\n      [contenteditable] {\n        border: 1px solid black;\n        background-color: white;\n        min-height: 20px;\n      }\n\n      .ng-invalid {\n        border: 1px solid red;\n      }\n\n    </file>\n    <file name=\"script.js\">\n      angular.module('customControl', ['ngSanitize']).\n        directive('contenteditable', ['$sce', function($sce) {\n          return {\n            restrict: 'A', // only activate on element attribute\n            require: '?ngModel', // get a hold of NgModelController\n            link: function(scope, element, attrs, ngModel) {\n              if (!ngModel) return; // do nothing if no ng-model\n\n              // Specify how UI should be updated\n              ngModel.$render = function() {\n                element.html($sce.getTrustedHtml(ngModel.$viewValue || ''));\n              };\n\n              // Listen for change events to enable binding\n              element.on('blur keyup change', function() {\n                scope.$evalAsync(read);\n              });\n              read(); // initialize\n\n              // Write data to the model\n              function read() {\n                var html = element.html();\n                // When we clear the content editable the browser leaves a <br> behind\n                // If strip-br attribute is provided then we strip this out\n                if (attrs.stripBr && html === '<br>') {\n                  html = '';\n                }\n                ngModel.$setViewValue(html);\n              }\n            }\n          };\n        }]);\n    </file>\n    <file name=\"index.html\">\n      <form name=\"myForm\">\n       <div contenteditable\n            name=\"myWidget\" ng-model=\"userContent\"\n            strip-br=\"true\"\n            required>Change me!</div>\n        <span ng-show=\"myForm.myWidget.$error.required\">Required!</span>\n       <hr>\n       <textarea ng-model=\"userContent\" aria-label=\"Dynamic textarea\"></textarea>\n      </form>\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n    it('should data-bind and become invalid', function() {\n      if (browser.params.browser === 'safari' || browser.params.browser === 'firefox') {\n        // SafariDriver can't handle contenteditable\n        // and Firefox driver can't clear contenteditables very well\n        return;\n      }\n      var contentEditable = element(by.css('[contenteditable]'));\n      var content = 'Change me!';\n\n      expect(contentEditable.getText()).toEqual(content);\n\n      contentEditable.clear();\n      contentEditable.sendKeys(protractor.Key.BACK_SPACE);\n      expect(contentEditable.getText()).toEqual('');\n      expect(contentEditable.getAttribute('class')).toMatch(/ng-invalid-required/);\n    });\n    </file>\n * </example>\n *\n *\n */\nNgModelController.$inject = ['$scope', '$exceptionHandler', '$attrs', '$element', '$parse', '$animate', '$timeout', '$q', '$interpolate'];\nfunction NgModelController($scope, $exceptionHandler, $attr, $element, $parse, $animate, $timeout, $q, $interpolate) {\n  this.$viewValue = Number.NaN;\n  this.$modelValue = Number.NaN;\n  this.$$rawModelValue = undefined; // stores the parsed modelValue / model set from scope regardless of validity.\n  this.$validators = {};\n  this.$asyncValidators = {};\n  this.$parsers = [];\n  this.$formatters = [];\n  this.$viewChangeListeners = [];\n  this.$untouched = true;\n  this.$touched = false;\n  this.$pristine = true;\n  this.$dirty = false;\n  this.$valid = true;\n  this.$invalid = false;\n  this.$error = {}; // keep invalid keys here\n  this.$$success = {}; // keep valid keys here\n  this.$pending = undefined; // keep pending keys here\n  this.$name = $interpolate($attr.name || '', false)($scope);\n  this.$$parentForm = nullFormCtrl;\n  this.$options = defaultModelOptions;\n  this.$$updateEvents = '';\n  // Attach the correct context to the event handler function for updateOn\n  this.$$updateEventHandler = this.$$updateEventHandler.bind(this);\n\n  this.$$parsedNgModel = $parse($attr.ngModel);\n  this.$$parsedNgModelAssign = this.$$parsedNgModel.assign;\n  this.$$ngModelGet = this.$$parsedNgModel;\n  this.$$ngModelSet = this.$$parsedNgModelAssign;\n  this.$$pendingDebounce = null;\n  this.$$parserValid = undefined;\n  this.$$parserName = 'parse';\n\n  this.$$currentValidationRunId = 0;\n\n  this.$$scope = $scope;\n  this.$$rootScope = $scope.$root;\n  this.$$attr = $attr;\n  this.$$element = $element;\n  this.$$animate = $animate;\n  this.$$timeout = $timeout;\n  this.$$parse = $parse;\n  this.$$q = $q;\n  this.$$exceptionHandler = $exceptionHandler;\n\n  setupValidity(this);\n  setupModelWatcher(this);\n}\n\nNgModelController.prototype = {\n  $$initGetterSetters: function() {\n    if (this.$options.getOption('getterSetter')) {\n      var invokeModelGetter = this.$$parse(this.$$attr.ngModel + '()'),\n          invokeModelSetter = this.$$parse(this.$$attr.ngModel + '($$$p)');\n\n      this.$$ngModelGet = function($scope) {\n        var modelValue = this.$$parsedNgModel($scope);\n        if (isFunction(modelValue)) {\n          modelValue = invokeModelGetter($scope);\n        }\n        return modelValue;\n      };\n      this.$$ngModelSet = function($scope, newValue) {\n        if (isFunction(this.$$parsedNgModel($scope))) {\n          invokeModelSetter($scope, {$$$p: newValue});\n        } else {\n          this.$$parsedNgModelAssign($scope, newValue);\n        }\n      };\n    } else if (!this.$$parsedNgModel.assign) {\n      throw ngModelMinErr('nonassign', 'Expression \\'{0}\\' is non-assignable. Element: {1}',\n          this.$$attr.ngModel, startingTag(this.$$element));\n    }\n  },\n\n\n  /**\n   * @ngdoc method\n   * @name ngModel.NgModelController#$render\n   *\n   * @description\n   * Called when the view needs to be updated. It is expected that the user of the ng-model\n   * directive will implement this method.\n   *\n   * The `$render()` method is invoked in the following situations:\n   *\n   * * `$rollbackViewValue()` is called.  If we are rolling back the view value to the last\n   *   committed value then `$render()` is called to update the input control.\n   * * The value referenced by `ng-model` is changed programmatically and both the `$modelValue` and\n   *   the `$viewValue` are different from last time.\n   *\n   * Since `ng-model` does not do a deep watch, `$render()` is only invoked if the values of\n   * `$modelValue` and `$viewValue` are actually different from their previous values. If `$modelValue`\n   * or `$viewValue` are objects (rather than a string or number) then `$render()` will not be\n   * invoked if you only change a property on the objects.\n   */\n  $render: noop,\n\n  /**\n   * @ngdoc method\n   * @name ngModel.NgModelController#$isEmpty\n   *\n   * @description\n   * This is called when we need to determine if the value of an input is empty.\n   *\n   * For instance, the required directive does this to work out if the input has data or not.\n   *\n   * The default `$isEmpty` function checks whether the value is `undefined`, `''`, `null` or `NaN`.\n   *\n   * You can override this for input directives whose concept of being empty is different from the\n   * default. The `checkboxInputType` directive does this because in its case a value of `false`\n   * implies empty.\n   *\n   * @param {*} value The value of the input to check for emptiness.\n   * @returns {boolean} True if `value` is \"empty\".\n   */\n  $isEmpty: function(value) {\n    // eslint-disable-next-line no-self-compare\n    return isUndefined(value) || value === '' || value === null || value !== value;\n  },\n\n  $$updateEmptyClasses: function(value) {\n    if (this.$isEmpty(value)) {\n      this.$$animate.removeClass(this.$$element, NOT_EMPTY_CLASS);\n      this.$$animate.addClass(this.$$element, EMPTY_CLASS);\n    } else {\n      this.$$animate.removeClass(this.$$element, EMPTY_CLASS);\n      this.$$animate.addClass(this.$$element, NOT_EMPTY_CLASS);\n    }\n  },\n\n  /**\n   * @ngdoc method\n   * @name ngModel.NgModelController#$setPristine\n   *\n   * @description\n   * Sets the control to its pristine state.\n   *\n   * This method can be called to remove the `ng-dirty` class and set the control to its pristine\n   * state (`ng-pristine` class). A model is considered to be pristine when the control\n   * has not been changed from when first compiled.\n   */\n  $setPristine: function() {\n    this.$dirty = false;\n    this.$pristine = true;\n    this.$$animate.removeClass(this.$$element, DIRTY_CLASS);\n    this.$$animate.addClass(this.$$element, PRISTINE_CLASS);\n  },\n\n  /**\n   * @ngdoc method\n   * @name ngModel.NgModelController#$setDirty\n   *\n   * @description\n   * Sets the control to its dirty state.\n   *\n   * This method can be called to remove the `ng-pristine` class and set the control to its dirty\n   * state (`ng-dirty` class). A model is considered to be dirty when the control has been changed\n   * from when first compiled.\n   */\n  $setDirty: function() {\n    this.$dirty = true;\n    this.$pristine = false;\n    this.$$animate.removeClass(this.$$element, PRISTINE_CLASS);\n    this.$$animate.addClass(this.$$element, DIRTY_CLASS);\n    this.$$parentForm.$setDirty();\n  },\n\n  /**\n   * @ngdoc method\n   * @name ngModel.NgModelController#$setUntouched\n   *\n   * @description\n   * Sets the control to its untouched state.\n   *\n   * This method can be called to remove the `ng-touched` class and set the control to its\n   * untouched state (`ng-untouched` class). Upon compilation, a model is set as untouched\n   * by default, however this function can be used to restore that state if the model has\n   * already been touched by the user.\n   */\n  $setUntouched: function() {\n    this.$touched = false;\n    this.$untouched = true;\n    this.$$animate.setClass(this.$$element, UNTOUCHED_CLASS, TOUCHED_CLASS);\n  },\n\n  /**\n   * @ngdoc method\n   * @name ngModel.NgModelController#$setTouched\n   *\n   * @description\n   * Sets the control to its touched state.\n   *\n   * This method can be called to remove the `ng-untouched` class and set the control to its\n   * touched state (`ng-touched` class). A model is considered to be touched when the user has\n   * first focused the control element and then shifted focus away from the control (blur event).\n   */\n  $setTouched: function() {\n    this.$touched = true;\n    this.$untouched = false;\n    this.$$animate.setClass(this.$$element, TOUCHED_CLASS, UNTOUCHED_CLASS);\n  },\n\n  /**\n   * @ngdoc method\n   * @name ngModel.NgModelController#$rollbackViewValue\n   *\n   * @description\n   * Cancel an update and reset the input element's value to prevent an update to the `$modelValue`,\n   * which may be caused by a pending debounced event or because the input is waiting for some\n   * future event.\n   *\n   * If you have an input that uses `ng-model-options` to set up debounced updates or updates that\n   * depend on special events such as `blur`, there can be a period when the `$viewValue` is out of\n   * sync with the ngModel's `$modelValue`.\n   *\n   * In this case, you can use `$rollbackViewValue()` to manually cancel the debounced / future update\n   * and reset the input to the last committed view value.\n   *\n   * It is also possible that you run into difficulties if you try to update the ngModel's `$modelValue`\n   * programmatically before these debounced/future events have resolved/occurred, because AngularJS's\n   * dirty checking mechanism is not able to tell whether the model has actually changed or not.\n   *\n   * The `$rollbackViewValue()` method should be called before programmatically changing the model of an\n   * input which may have such events pending. This is important in order to make sure that the\n   * input field will be updated with the new model value and any pending operations are cancelled.\n   *\n   * @example\n   * <example name=\"ng-model-cancel-update\" module=\"cancel-update-example\">\n   *   <file name=\"app.js\">\n   *     angular.module('cancel-update-example', [])\n   *\n   *     .controller('CancelUpdateController', ['$scope', function($scope) {\n   *       $scope.model = {value1: '', value2: ''};\n   *\n   *       $scope.setEmpty = function(e, value, rollback) {\n   *         if (e.keyCode === 27) {\n   *           e.preventDefault();\n   *           if (rollback) {\n   *             $scope.myForm[value].$rollbackViewValue();\n   *           }\n   *           $scope.model[value] = '';\n   *         }\n   *       };\n   *     }]);\n   *   </file>\n   *   <file name=\"index.html\">\n   *     <div ng-controller=\"CancelUpdateController\">\n   *       <p>Both of these inputs are only updated if they are blurred. Hitting escape should\n   *       empty them. Follow these steps and observe the difference:</p>\n   *       <ol>\n   *         <li>Type something in the input. You will see that the model is not yet updated</li>\n   *         <li>Press the Escape key.\n   *           <ol>\n   *             <li> In the first example, nothing happens, because the model is already '', and no\n   *             update is detected. If you blur the input, the model will be set to the current view.\n   *             </li>\n   *             <li> In the second example, the pending update is cancelled, and the input is set back\n   *             to the last committed view value (''). Blurring the input does nothing.\n   *             </li>\n   *           </ol>\n   *         </li>\n   *       </ol>\n   *\n   *       <form name=\"myForm\" ng-model-options=\"{ updateOn: 'blur' }\">\n   *         <div>\n   *           <p id=\"inputDescription1\">Without $rollbackViewValue():</p>\n   *           <input name=\"value1\" aria-describedby=\"inputDescription1\" ng-model=\"model.value1\"\n   *                  ng-keydown=\"setEmpty($event, 'value1')\">\n   *           value1: \"{{ model.value1 }}\"\n   *         </div>\n   *\n   *         <div>\n   *           <p id=\"inputDescription2\">With $rollbackViewValue():</p>\n   *           <input name=\"value2\" aria-describedby=\"inputDescription2\" ng-model=\"model.value2\"\n   *                  ng-keydown=\"setEmpty($event, 'value2', true)\">\n   *           value2: \"{{ model.value2 }}\"\n   *         </div>\n   *       </form>\n   *     </div>\n   *   </file>\n       <file name=\"style.css\">\n          div {\n            display: table-cell;\n          }\n          div:nth-child(1) {\n            padding-right: 30px;\n          }\n\n        </file>\n   * </example>\n   */\n  $rollbackViewValue: function() {\n    this.$$timeout.cancel(this.$$pendingDebounce);\n    this.$viewValue = this.$$lastCommittedViewValue;\n    this.$render();\n  },\n\n  /**\n   * @ngdoc method\n   * @name ngModel.NgModelController#$validate\n   *\n   * @description\n   * Runs each of the registered validators (first synchronous validators and then\n   * asynchronous validators).\n   * If the validity changes to invalid, the model will be set to `undefined`,\n   * unless {@link ngModelOptions `ngModelOptions.allowInvalid`} is `true`.\n   * If the validity changes to valid, it will set the model to the last available valid\n   * `$modelValue`, i.e. either the last parsed value or the last value set from the scope.\n   */\n  $validate: function() {\n\n    // ignore $validate before model is initialized\n    if (isNumberNaN(this.$modelValue)) {\n      return;\n    }\n\n    var viewValue = this.$$lastCommittedViewValue;\n    // Note: we use the $$rawModelValue as $modelValue might have been\n    // set to undefined during a view -> model update that found validation\n    // errors. We can't parse the view here, since that could change\n    // the model although neither viewValue nor the model on the scope changed\n    var modelValue = this.$$rawModelValue;\n\n    var prevValid = this.$valid;\n    var prevModelValue = this.$modelValue;\n\n    var allowInvalid = this.$options.getOption('allowInvalid');\n\n    var that = this;\n    this.$$runValidators(modelValue, viewValue, function(allValid) {\n      // If there was no change in validity, don't update the model\n      // This prevents changing an invalid modelValue to undefined\n      if (!allowInvalid && prevValid !== allValid) {\n        // Note: Don't check this.$valid here, as we could have\n        // external validators (e.g. calculated on the server),\n        // that just call $setValidity and need the model value\n        // to calculate their validity.\n        that.$modelValue = allValid ? modelValue : undefined;\n\n        if (that.$modelValue !== prevModelValue) {\n          that.$$writeModelToScope();\n        }\n      }\n    });\n  },\n\n  $$runValidators: function(modelValue, viewValue, doneCallback) {\n    this.$$currentValidationRunId++;\n    var localValidationRunId = this.$$currentValidationRunId;\n    var that = this;\n\n    // check parser error\n    if (!processParseErrors()) {\n      validationDone(false);\n      return;\n    }\n    if (!processSyncValidators()) {\n      validationDone(false);\n      return;\n    }\n    processAsyncValidators();\n\n    function processParseErrors() {\n      var errorKey = that.$$parserName;\n\n      if (isUndefined(that.$$parserValid)) {\n        setValidity(errorKey, null);\n      } else {\n        if (!that.$$parserValid) {\n          forEach(that.$validators, function(v, name) {\n            setValidity(name, null);\n          });\n          forEach(that.$asyncValidators, function(v, name) {\n            setValidity(name, null);\n          });\n        }\n\n        // Set the parse error last, to prevent unsetting it, should a $validators key == parserName\n        setValidity(errorKey, that.$$parserValid);\n        return that.$$parserValid;\n      }\n      return true;\n    }\n\n    function processSyncValidators() {\n      var syncValidatorsValid = true;\n      forEach(that.$validators, function(validator, name) {\n        var result = Boolean(validator(modelValue, viewValue));\n        syncValidatorsValid = syncValidatorsValid && result;\n        setValidity(name, result);\n      });\n      if (!syncValidatorsValid) {\n        forEach(that.$asyncValidators, function(v, name) {\n          setValidity(name, null);\n        });\n        return false;\n      }\n      return true;\n    }\n\n    function processAsyncValidators() {\n      var validatorPromises = [];\n      var allValid = true;\n      forEach(that.$asyncValidators, function(validator, name) {\n        var promise = validator(modelValue, viewValue);\n        if (!isPromiseLike(promise)) {\n          throw ngModelMinErr('nopromise',\n            'Expected asynchronous validator to return a promise but got \\'{0}\\' instead.', promise);\n        }\n        setValidity(name, undefined);\n        validatorPromises.push(promise.then(function() {\n          setValidity(name, true);\n        }, function() {\n          allValid = false;\n          setValidity(name, false);\n        }));\n      });\n      if (!validatorPromises.length) {\n        validationDone(true);\n      } else {\n        that.$$q.all(validatorPromises).then(function() {\n          validationDone(allValid);\n        }, noop);\n      }\n    }\n\n    function setValidity(name, isValid) {\n      if (localValidationRunId === that.$$currentValidationRunId) {\n        that.$setValidity(name, isValid);\n      }\n    }\n\n    function validationDone(allValid) {\n      if (localValidationRunId === that.$$currentValidationRunId) {\n\n        doneCallback(allValid);\n      }\n    }\n  },\n\n  /**\n   * @ngdoc method\n   * @name ngModel.NgModelController#$commitViewValue\n   *\n   * @description\n   * Commit a pending update to the `$modelValue`.\n   *\n   * Updates may be pending by a debounced event or because the input is waiting for a some future\n   * event defined in `ng-model-options`. this method is rarely needed as `NgModelController`\n   * usually handles calling this in response to input events.\n   */\n  $commitViewValue: function() {\n    var viewValue = this.$viewValue;\n\n    this.$$timeout.cancel(this.$$pendingDebounce);\n\n    // If the view value has not changed then we should just exit, except in the case where there is\n    // a native validator on the element. In this case the validation state may have changed even though\n    // the viewValue has stayed empty.\n    if (this.$$lastCommittedViewValue === viewValue && (viewValue !== '' || !this.$$hasNativeValidators)) {\n      return;\n    }\n    this.$$updateEmptyClasses(viewValue);\n    this.$$lastCommittedViewValue = viewValue;\n\n    // change to dirty\n    if (this.$pristine) {\n      this.$setDirty();\n    }\n    this.$$parseAndValidate();\n  },\n\n  $$parseAndValidate: function() {\n    var viewValue = this.$$lastCommittedViewValue;\n    var modelValue = viewValue;\n    var that = this;\n\n    this.$$parserValid = isUndefined(modelValue) ? undefined : true;\n\n    // Reset any previous parse error\n    this.$setValidity(this.$$parserName, null);\n    this.$$parserName = 'parse';\n\n    if (this.$$parserValid) {\n      for (var i = 0; i < this.$parsers.length; i++) {\n        modelValue = this.$parsers[i](modelValue);\n        if (isUndefined(modelValue)) {\n          this.$$parserValid = false;\n          break;\n        }\n      }\n    }\n    if (isNumberNaN(this.$modelValue)) {\n      // this.$modelValue has not been touched yet...\n      this.$modelValue = this.$$ngModelGet(this.$$scope);\n    }\n    var prevModelValue = this.$modelValue;\n    var allowInvalid = this.$options.getOption('allowInvalid');\n    this.$$rawModelValue = modelValue;\n\n    if (allowInvalid) {\n      this.$modelValue = modelValue;\n      writeToModelIfNeeded();\n    }\n\n    // Pass the $$lastCommittedViewValue here, because the cached viewValue might be out of date.\n    // This can happen if e.g. $setViewValue is called from inside a parser\n    this.$$runValidators(modelValue, this.$$lastCommittedViewValue, function(allValid) {\n      if (!allowInvalid) {\n        // Note: Don't check this.$valid here, as we could have\n        // external validators (e.g. calculated on the server),\n        // that just call $setValidity and need the model value\n        // to calculate their validity.\n        that.$modelValue = allValid ? modelValue : undefined;\n        writeToModelIfNeeded();\n      }\n    });\n\n    function writeToModelIfNeeded() {\n      if (that.$modelValue !== prevModelValue) {\n        that.$$writeModelToScope();\n      }\n    }\n  },\n\n  $$writeModelToScope: function() {\n    this.$$ngModelSet(this.$$scope, this.$modelValue);\n    forEach(this.$viewChangeListeners, function(listener) {\n      try {\n        listener();\n      } catch (e) {\n        // eslint-disable-next-line no-invalid-this\n        this.$$exceptionHandler(e);\n      }\n    }, this);\n  },\n\n  /**\n   * @ngdoc method\n   * @name ngModel.NgModelController#$setViewValue\n   *\n   * @description\n   * Update the view value.\n   *\n   * This method should be called when a control wants to change the view value; typically,\n   * this is done from within a DOM event handler. For example, the {@link ng.directive:input input}\n   * directive calls it when the value of the input changes and {@link ng.directive:select select}\n   * calls it when an option is selected.\n   *\n   * When `$setViewValue` is called, the new `value` will be staged for committing through the `$parsers`\n   * and `$validators` pipelines. If there are no special {@link ngModelOptions} specified then the staged\n   * value is sent directly for processing through the `$parsers` pipeline. After this, the `$validators` and\n   * `$asyncValidators` are called and the value is applied to `$modelValue`.\n   * Finally, the value is set to the **expression** specified in the `ng-model` attribute and\n   * all the registered change listeners, in the `$viewChangeListeners` list are called.\n   *\n   * In case the {@link ng.directive:ngModelOptions ngModelOptions} directive is used with `updateOn`\n   * and the `default` trigger is not listed, all those actions will remain pending until one of the\n   * `updateOn` events is triggered on the DOM element.\n   * All these actions will be debounced if the {@link ng.directive:ngModelOptions ngModelOptions}\n   * directive is used with a custom debounce for this particular event.\n   * Note that a `$digest` is only triggered once the `updateOn` events are fired, or if `debounce`\n   * is specified, once the timer runs out.\n   *\n   * When used with standard inputs, the view value will always be a string (which is in some cases\n   * parsed into another type, such as a `Date` object for `input[date]`.)\n   * However, custom controls might also pass objects to this method. In this case, we should make\n   * a copy of the object before passing it to `$setViewValue`. This is because `ngModel` does not\n   * perform a deep watch of objects, it only looks for a change of identity. If you only change\n   * the property of the object then ngModel will not realize that the object has changed and\n   * will not invoke the `$parsers` and `$validators` pipelines. For this reason, you should\n   * not change properties of the copy once it has been passed to `$setViewValue`.\n   * Otherwise you may cause the model value on the scope to change incorrectly.\n   *\n   * <div class=\"alert alert-info\">\n   * In any case, the value passed to the method should always reflect the current value\n   * of the control. For example, if you are calling `$setViewValue` for an input element,\n   * you should pass the input DOM value. Otherwise, the control and the scope model become\n   * out of sync. It's also important to note that `$setViewValue` does not call `$render` or change\n   * the control's DOM value in any way. If we want to change the control's DOM value\n   * programmatically, we should update the `ngModel` scope expression. Its new value will be\n   * picked up by the model controller, which will run it through the `$formatters`, `$render` it\n   * to update the DOM, and finally call `$validate` on it.\n   * </div>\n   *\n   * @param {*} value value from the view.\n   * @param {string} trigger Event that triggered the update.\n   */\n  $setViewValue: function(value, trigger) {\n    this.$viewValue = value;\n    if (this.$options.getOption('updateOnDefault')) {\n      this.$$debounceViewValueCommit(trigger);\n    }\n  },\n\n  $$debounceViewValueCommit: function(trigger) {\n    var debounceDelay = this.$options.getOption('debounce');\n\n    if (isNumber(debounceDelay[trigger])) {\n      debounceDelay = debounceDelay[trigger];\n    } else if (isNumber(debounceDelay['default']) &&\n      this.$options.getOption('updateOn').indexOf(trigger) === -1\n    ) {\n      debounceDelay = debounceDelay['default'];\n    } else if (isNumber(debounceDelay['*'])) {\n      debounceDelay = debounceDelay['*'];\n    }\n\n    this.$$timeout.cancel(this.$$pendingDebounce);\n    var that = this;\n    if (debounceDelay > 0) { // this fails if debounceDelay is an object\n      this.$$pendingDebounce = this.$$timeout(function() {\n        that.$commitViewValue();\n      }, debounceDelay);\n    } else if (this.$$rootScope.$$phase) {\n      this.$commitViewValue();\n    } else {\n      this.$$scope.$apply(function() {\n        that.$commitViewValue();\n      });\n    }\n  },\n\n  /**\n   * @ngdoc method\n   *\n   * @name ngModel.NgModelController#$overrideModelOptions\n   *\n   * @description\n   *\n   * Override the current model options settings programmatically.\n   *\n   * The previous `ModelOptions` value will not be modified. Instead, a\n   * new `ModelOptions` object will inherit from the previous one overriding\n   * or inheriting settings that are defined in the given parameter.\n   *\n   * See {@link ngModelOptions} for information about what options can be specified\n   * and how model option inheritance works.\n   *\n   * <div class=\"alert alert-warning\">\n   * **Note:** this function only affects the options set on the `ngModelController`,\n   * and not the options on the {@link ngModelOptions} directive from which they might have been\n   * obtained initially.\n   * </div>\n   *\n   * <div class=\"alert alert-danger\">\n   * **Note:** it is not possible to override the `getterSetter` option.\n   * </div>\n   *\n   * @param {Object} options a hash of settings to override the previous options\n   *\n   */\n  $overrideModelOptions: function(options) {\n    this.$options = this.$options.createChild(options);\n    this.$$setUpdateOnEvents();\n  },\n\n  /**\n   * @ngdoc method\n   *\n   * @name  ngModel.NgModelController#$processModelValue\n\n   * @description\n   *\n   * Runs the model -> view pipeline on the current\n   * {@link ngModel.NgModelController#$modelValue $modelValue}.\n   *\n   * The following actions are performed by this method:\n   *\n   * - the `$modelValue` is run through the {@link ngModel.NgModelController#$formatters $formatters}\n   * and the result is set to the {@link ngModel.NgModelController#$viewValue $viewValue}\n   * - the `ng-empty` or `ng-not-empty` class is set on the element\n   * - if the `$viewValue` has changed:\n   *   - {@link ngModel.NgModelController#$render $render} is called on the control\n   *   - the {@link ngModel.NgModelController#$validators $validators} are run and\n   *   the validation status is set.\n   *\n   * This method is called by ngModel internally when the bound scope value changes.\n   * Application developers usually do not have to call this function themselves.\n   *\n   * This function can be used when the `$viewValue` or the rendered DOM value are not correctly\n   * formatted and the `$modelValue` must be run through the `$formatters` again.\n   *\n   * @example\n   * Consider a text input with an autocomplete list (for fruit), where the items are\n   * objects with a name and an id.\n   * A user enters `ap` and then selects `Apricot` from the list.\n   * Based on this, the autocomplete widget will call `$setViewValue({name: 'Apricot', id: 443})`,\n   * but the rendered value will still be `ap`.\n   * The widget can then call `ctrl.$processModelValue()` to run the model -> view\n   * pipeline again, which formats the object to the string `Apricot`,\n   * then updates the `$viewValue`, and finally renders it in the DOM.\n   *\n   * <example module=\"inputExample\" name=\"ng-model-process\">\n     <file name=\"index.html\">\n      <div ng-controller=\"inputController\" style=\"display: flex;\">\n        <div style=\"margin-right: 30px;\">\n          Search Fruit:\n          <basic-autocomplete items=\"items\" on-select=\"selectedFruit = item\"></basic-autocomplete>\n        </div>\n        <div>\n          Model:<br>\n          <pre>{{selectedFruit | json}}</pre>\n        </div>\n      </div>\n     </file>\n     <file name=\"app.js\">\n      angular.module('inputExample', [])\n        .controller('inputController', function($scope) {\n          $scope.items = [\n            {name: 'Apricot', id: 443},\n            {name: 'Clementine', id: 972},\n            {name: 'Durian', id: 169},\n            {name: 'Jackfruit', id: 982},\n            {name: 'Strawberry', id: 863}\n          ];\n        })\n        .component('basicAutocomplete', {\n          bindings: {\n            items: '<',\n            onSelect: '&'\n          },\n          templateUrl: 'autocomplete.html',\n          controller: function($element, $scope) {\n            var that = this;\n            var ngModel;\n\n            that.$postLink = function() {\n              ngModel = $element.find('input').controller('ngModel');\n\n              ngModel.$formatters.push(function(value) {\n                return (value && value.name) || value;\n              });\n\n              ngModel.$parsers.push(function(value) {\n                var match = value;\n                for (var i = 0; i < that.items.length; i++) {\n                  if (that.items[i].name === value) {\n                    match = that.items[i];\n                    break;\n                  }\n                }\n\n                return match;\n              });\n            };\n\n            that.selectItem = function(item) {\n              ngModel.$setViewValue(item);\n              ngModel.$processModelValue();\n              that.onSelect({item: item});\n            };\n          }\n        });\n     </file>\n     <file name=\"autocomplete.html\">\n       <div>\n         <input type=\"search\" ng-model=\"$ctrl.searchTerm\" />\n         <ul>\n           <li ng-repeat=\"item in $ctrl.items | filter:$ctrl.searchTerm\">\n             <button ng-click=\"$ctrl.selectItem(item)\">{{ item.name }}</button>\n           </li>\n         </ul>\n       </div>\n     </file>\n   * </example>\n   *\n   */\n  $processModelValue: function() {\n    var viewValue = this.$$format();\n\n    if (this.$viewValue !== viewValue) {\n      this.$$updateEmptyClasses(viewValue);\n      this.$viewValue = this.$$lastCommittedViewValue = viewValue;\n      this.$render();\n      // It is possible that model and view value have been updated during render\n      this.$$runValidators(this.$modelValue, this.$viewValue, noop);\n    }\n  },\n\n  /**\n   * This method is called internally to run the $formatters on the $modelValue\n   */\n  $$format: function() {\n    var formatters = this.$formatters,\n        idx = formatters.length;\n\n    var viewValue = this.$modelValue;\n    while (idx--) {\n      viewValue = formatters[idx](viewValue);\n    }\n\n    return viewValue;\n  },\n\n  /**\n   * This method is called internally when the bound scope value changes.\n   */\n  $$setModelValue: function(modelValue) {\n    this.$modelValue = this.$$rawModelValue = modelValue;\n    this.$$parserValid = undefined;\n    this.$processModelValue();\n  },\n\n  $$setUpdateOnEvents: function() {\n    if (this.$$updateEvents) {\n      this.$$element.off(this.$$updateEvents, this.$$updateEventHandler);\n    }\n\n    this.$$updateEvents = this.$options.getOption('updateOn');\n    if (this.$$updateEvents) {\n      this.$$element.on(this.$$updateEvents, this.$$updateEventHandler);\n    }\n  },\n\n  $$updateEventHandler: function(ev) {\n    this.$$debounceViewValueCommit(ev && ev.type);\n  }\n};\n\nfunction setupModelWatcher(ctrl) {\n  // model -> value\n  // Note: we cannot use a normal scope.$watch as we want to detect the following:\n  // 1. scope value is 'a'\n  // 2. user enters 'b'\n  // 3. ng-change kicks in and reverts scope value to 'a'\n  //    -> scope value did not change since the last digest as\n  //       ng-change executes in apply phase\n  // 4. view should be changed back to 'a'\n  ctrl.$$scope.$watch(function ngModelWatch(scope) {\n    var modelValue = ctrl.$$ngModelGet(scope);\n\n    // if scope model value and ngModel value are out of sync\n    // This cannot be moved to the action function, because it would not catch the\n    // case where the model is changed in the ngChange function or the model setter\n    if (modelValue !== ctrl.$modelValue &&\n      // checks for NaN is needed to allow setting the model to NaN when there's an asyncValidator\n      // eslint-disable-next-line no-self-compare\n      (ctrl.$modelValue === ctrl.$modelValue || modelValue === modelValue)\n    ) {\n      ctrl.$$setModelValue(modelValue);\n    }\n\n    return modelValue;\n  });\n}\n\n/**\n * @ngdoc method\n * @name ngModel.NgModelController#$setValidity\n *\n * @description\n * Change the validity state, and notify the form.\n *\n * This method can be called within $parsers/$formatters or a custom validation implementation.\n * However, in most cases it should be sufficient to use the `ngModel.$validators` and\n * `ngModel.$asyncValidators` collections which will call `$setValidity` automatically.\n *\n * @param {string} validationErrorKey Name of the validator. The `validationErrorKey` will be assigned\n *        to either `$error[validationErrorKey]` or `$pending[validationErrorKey]`\n *        (for unfulfilled `$asyncValidators`), so that it is available for data-binding.\n *        The `validationErrorKey` should be in camelCase and will get converted into dash-case\n *        for class name. Example: `myError` will result in `ng-valid-my-error` and `ng-invalid-my-error`\n *        classes and can be bound to as `{{ someForm.someControl.$error.myError }}`.\n * @param {boolean} isValid Whether the current state is valid (true), invalid (false), pending (undefined),\n *                          or skipped (null). Pending is used for unfulfilled `$asyncValidators`.\n *                          Skipped is used by AngularJS when validators do not run because of parse errors and\n *                          when `$asyncValidators` do not run because any of the `$validators` failed.\n */\naddSetValidityMethod({\n  clazz: NgModelController,\n  set: function(object, property) {\n    object[property] = true;\n  },\n  unset: function(object, property) {\n    delete object[property];\n  }\n});\n\n\n/**\n * @ngdoc directive\n * @name ngModel\n * @restrict A\n * @priority 1\n * @param {expression} ngModel assignable {@link guide/expression Expression} to bind to.\n *\n * @description\n * The `ngModel` directive binds an `input`,`select`, `textarea` (or custom form control) to a\n * property on the scope using {@link ngModel.NgModelController NgModelController},\n * which is created and exposed by this directive.\n *\n * `ngModel` is responsible for:\n *\n * - Binding the view into the model, which other directives such as `input`, `textarea` or `select`\n *   require.\n * - Providing validation behavior (i.e. required, number, email, url).\n * - Keeping the state of the control (valid/invalid, dirty/pristine, touched/untouched, validation errors).\n * - Setting related css classes on the element (`ng-valid`, `ng-invalid`, `ng-dirty`, `ng-pristine`, `ng-touched`,\n *   `ng-untouched`, `ng-empty`, `ng-not-empty`) including animations.\n * - Registering the control with its parent {@link ng.directive:form form}.\n *\n * Note: `ngModel` will try to bind to the property given by evaluating the expression on the\n * current scope. If the property doesn't already exist on this scope, it will be created\n * implicitly and added to the scope.\n *\n * For best practices on using `ngModel`, see:\n *\n *  - [Understanding Scopes](https://github.com/angular/angular.js/wiki/Understanding-Scopes)\n *\n * For basic examples, how to use `ngModel`, see:\n *\n *  - {@link ng.directive:input input}\n *    - {@link input[text] text}\n *    - {@link input[checkbox] checkbox}\n *    - {@link input[radio] radio}\n *    - {@link input[number] number}\n *    - {@link input[email] email}\n *    - {@link input[url] url}\n *    - {@link input[date] date}\n *    - {@link input[datetime-local] datetime-local}\n *    - {@link input[time] time}\n *    - {@link input[month] month}\n *    - {@link input[week] week}\n *  - {@link ng.directive:select select}\n *  - {@link ng.directive:textarea textarea}\n *\n * ## Complex Models (objects or collections)\n *\n * By default, `ngModel` watches the model by reference, not value. This is important to know when\n * binding inputs to models that are objects (e.g. `Date`) or collections (e.g. arrays). If only properties of the\n * object or collection change, `ngModel` will not be notified and so the input will not be  re-rendered.\n *\n * The model must be assigned an entirely new object or collection before a re-rendering will occur.\n *\n * Some directives have options that will cause them to use a custom `$watchCollection` on the model expression\n * - for example, `ngOptions` will do so when a `track by` clause is included in the comprehension expression or\n * if the select is given the `multiple` attribute.\n *\n * The `$watchCollection()` method only does a shallow comparison, meaning that changing properties deeper than the\n * first level of the object (or only changing the properties of an item in the collection if it's an array) will still\n * not trigger a re-rendering of the model.\n *\n * ## CSS classes\n * The following CSS classes are added and removed on the associated input/select/textarea element\n * depending on the validity of the model.\n *\n *  - `ng-valid`: the model is valid\n *  - `ng-invalid`: the model is invalid\n *  - `ng-valid-[key]`: for each valid key added by `$setValidity`\n *  - `ng-invalid-[key]`: for each invalid key added by `$setValidity`\n *  - `ng-pristine`: the control hasn't been interacted with yet\n *  - `ng-dirty`: the control has been interacted with\n *  - `ng-touched`: the control has been blurred\n *  - `ng-untouched`: the control hasn't been blurred\n *  - `ng-pending`: any `$asyncValidators` are unfulfilled\n *  - `ng-empty`: the view does not contain a value or the value is deemed \"empty\", as defined\n *     by the {@link ngModel.NgModelController#$isEmpty} method\n *  - `ng-not-empty`: the view contains a non-empty value\n *\n * Keep in mind that ngAnimate can detect each of these classes when added and removed.\n *\n * @animations\n * Animations within models are triggered when any of the associated CSS classes are added and removed\n * on the input element which is attached to the model. These classes include: `.ng-pristine`, `.ng-dirty`,\n * `.ng-invalid` and `.ng-valid` as well as any other validations that are performed on the model itself.\n * The animations that are triggered within ngModel are similar to how they work in ngClass and\n * animations can be hooked into using CSS transitions, keyframes as well as JS animations.\n *\n * The following example shows a simple way to utilize CSS transitions to style an input element\n * that has been rendered as invalid after it has been validated:\n *\n * <pre>\n * //be sure to include ngAnimate as a module to hook into more\n * //advanced animations\n * .my-input {\n *   transition:0.5s linear all;\n *   background: white;\n * }\n * .my-input.ng-invalid {\n *   background: red;\n *   color:white;\n * }\n * </pre>\n *\n * @example\n * ### Basic Usage\n * <example deps=\"angular-animate.js\" animations=\"true\" fixBase=\"true\" module=\"inputExample\" name=\"ng-model\">\n     <file name=\"index.html\">\n       <script>\n        angular.module('inputExample', [])\n          .controller('ExampleController', ['$scope', function($scope) {\n            $scope.val = '1';\n          }]);\n       </script>\n       <style>\n         .my-input {\n           transition:all linear 0.5s;\n           background: transparent;\n         }\n         .my-input.ng-invalid {\n           color:white;\n           background: red;\n         }\n       </style>\n       <p id=\"inputDescription\">\n        Update input to see transitions when valid/invalid.\n        Integer is a valid value.\n       </p>\n       <form name=\"testForm\" ng-controller=\"ExampleController\">\n         <input ng-model=\"val\" ng-pattern=\"/^\\d+$/\" name=\"anim\" class=\"my-input\"\n                aria-describedby=\"inputDescription\" />\n       </form>\n     </file>\n * </example>\n *\n * @example\n * ### Binding to a getter/setter\n *\n * Sometimes it's helpful to bind `ngModel` to a getter/setter function.  A getter/setter is a\n * function that returns a representation of the model when called with zero arguments, and sets\n * the internal state of a model when called with an argument. It's sometimes useful to use this\n * for models that have an internal representation that's different from what the model exposes\n * to the view.\n *\n * <div class=\"alert alert-success\">\n * **Best Practice:** It's best to keep getters fast because AngularJS is likely to call them more\n * frequently than other parts of your code.\n * </div>\n *\n * You use this behavior by adding `ng-model-options=\"{ getterSetter: true }\"` to an element that\n * has `ng-model` attached to it. You can also add `ng-model-options=\"{ getterSetter: true }\"` to\n * a `<form>`, which will enable this behavior for all `<input>`s within it. See\n * {@link ng.directive:ngModelOptions `ngModelOptions`} for more.\n *\n * The following example shows how to use `ngModel` with a getter/setter:\n *\n * @example\n * <example name=\"ngModel-getter-setter\" module=\"getterSetterExample\">\n     <file name=\"index.html\">\n       <div ng-controller=\"ExampleController\">\n         <form name=\"userForm\">\n           <label>Name:\n             <input type=\"text\" name=\"userName\"\n                    ng-model=\"user.name\"\n                    ng-model-options=\"{ getterSetter: true }\" />\n           </label>\n         </form>\n         <pre>user.name = <span ng-bind=\"user.name()\"></span></pre>\n       </div>\n     </file>\n     <file name=\"app.js\">\n       angular.module('getterSetterExample', [])\n         .controller('ExampleController', ['$scope', function($scope) {\n           var _name = 'Brian';\n           $scope.user = {\n             name: function(newName) {\n              // Note that newName can be undefined for two reasons:\n              // 1. Because it is called as a getter and thus called with no arguments\n              // 2. Because the property should actually be set to undefined. This happens e.g. if the\n              //    input is invalid\n              return arguments.length ? (_name = newName) : _name;\n             }\n           };\n         }]);\n     </file>\n * </example>\n */\nvar ngModelDirective = ['$rootScope', function($rootScope) {\n  return {\n    restrict: 'A',\n    require: ['ngModel', '^?form', '^?ngModelOptions'],\n    controller: NgModelController,\n    // Prelink needs to run before any input directive\n    // so that we can set the NgModelOptions in NgModelController\n    // before anyone else uses it.\n    priority: 1,\n    compile: function ngModelCompile(element) {\n      // Setup initial state of the control\n      element.addClass(PRISTINE_CLASS).addClass(UNTOUCHED_CLASS).addClass(VALID_CLASS);\n\n      return {\n        pre: function ngModelPreLink(scope, element, attr, ctrls) {\n          var modelCtrl = ctrls[0],\n              formCtrl = ctrls[1] || modelCtrl.$$parentForm,\n              optionsCtrl = ctrls[2];\n\n          if (optionsCtrl) {\n            modelCtrl.$options = optionsCtrl.$options;\n          }\n\n          modelCtrl.$$initGetterSetters();\n\n          // notify others, especially parent forms\n          formCtrl.$addControl(modelCtrl);\n\n          attr.$observe('name', function(newValue) {\n            if (modelCtrl.$name !== newValue) {\n              modelCtrl.$$parentForm.$$renameControl(modelCtrl, newValue);\n            }\n          });\n\n          scope.$on('$destroy', function() {\n            modelCtrl.$$parentForm.$removeControl(modelCtrl);\n          });\n        },\n        post: function ngModelPostLink(scope, element, attr, ctrls) {\n          var modelCtrl = ctrls[0];\n          modelCtrl.$$setUpdateOnEvents();\n\n          function setTouched() {\n            modelCtrl.$setTouched();\n          }\n\n          element.on('blur', function() {\n            if (modelCtrl.$touched) return;\n\n            if ($rootScope.$$phase) {\n              scope.$evalAsync(setTouched);\n            } else {\n              scope.$apply(setTouched);\n            }\n          });\n        }\n      };\n    }\n  };\n}];\n\n/* exported defaultModelOptions */\nvar defaultModelOptions;\nvar DEFAULT_REGEXP = /(\\s+|^)default(\\s+|$)/;\n\n/**\n * @ngdoc type\n * @name ModelOptions\n * @description\n * A container for the options set by the {@link ngModelOptions} directive\n */\nfunction ModelOptions(options) {\n  this.$$options = options;\n}\n\nModelOptions.prototype = {\n\n  /**\n   * @ngdoc method\n   * @name ModelOptions#getOption\n   * @param {string} name the name of the option to retrieve\n   * @returns {*} the value of the option\n   * @description\n   * Returns the value of the given option\n   */\n  getOption: function(name) {\n    return this.$$options[name];\n  },\n\n  /**\n   * @ngdoc method\n   * @name ModelOptions#createChild\n   * @param {Object} options a hash of options for the new child that will override the parent's options\n   * @return {ModelOptions} a new `ModelOptions` object initialized with the given options.\n   */\n  createChild: function(options) {\n    var inheritAll = false;\n\n    // make a shallow copy\n    options = extend({}, options);\n\n    // Inherit options from the parent if specified by the value `\"$inherit\"`\n    forEach(options, /** @this */ function(option, key) {\n      if (option === '$inherit') {\n        if (key === '*') {\n          inheritAll = true;\n        } else {\n          options[key] = this.$$options[key];\n          // `updateOn` is special so we must also inherit the `updateOnDefault` option\n          if (key === 'updateOn') {\n            options.updateOnDefault = this.$$options.updateOnDefault;\n          }\n        }\n      } else {\n        if (key === 'updateOn') {\n          // If the `updateOn` property contains the `default` event then we have to remove\n          // it from the event list and set the `updateOnDefault` flag.\n          options.updateOnDefault = false;\n          options[key] = trim(option.replace(DEFAULT_REGEXP, function() {\n            options.updateOnDefault = true;\n            return ' ';\n          }));\n        }\n      }\n    }, this);\n\n    if (inheritAll) {\n      // We have a property of the form: `\"*\": \"$inherit\"`\n      delete options['*'];\n      defaults(options, this.$$options);\n    }\n\n    // Finally add in any missing defaults\n    defaults(options, defaultModelOptions.$$options);\n\n    return new ModelOptions(options);\n  }\n};\n\n\ndefaultModelOptions = new ModelOptions({\n  updateOn: '',\n  updateOnDefault: true,\n  debounce: 0,\n  getterSetter: false,\n  allowInvalid: false,\n  timezone: null\n});\n\n\n/**\n * @ngdoc directive\n * @name ngModelOptions\n * @restrict A\n * @priority 10\n *\n * @description\n * This directive allows you to modify the behaviour of {@link ngModel} directives within your\n * application. You can specify an `ngModelOptions` directive on any element. All {@link ngModel}\n * directives will use the options of their nearest `ngModelOptions` ancestor.\n *\n * The `ngModelOptions` settings are found by evaluating the value of the attribute directive as\n * an AngularJS expression. This expression should evaluate to an object, whose properties contain\n * the settings. For example: `<div ng-model-options=\"{ debounce: 100 }\"`.\n *\n * ## Inheriting Options\n *\n * You can specify that an `ngModelOptions` setting should be inherited from a parent `ngModelOptions`\n * directive by giving it the value of `\"$inherit\"`.\n * Then it will inherit that setting from the first `ngModelOptions` directive found by traversing up the\n * DOM tree. If there is no ancestor element containing an `ngModelOptions` directive then default settings\n * will be used.\n *\n * For example given the following fragment of HTML\n *\n *\n * ```html\n * <div ng-model-options=\"{ allowInvalid: true, debounce: 200 }\">\n *   <form ng-model-options=\"{ updateOn: 'blur', allowInvalid: '$inherit' }\">\n *     <input ng-model-options=\"{ updateOn: 'default', allowInvalid: '$inherit' }\" />\n *   </form>\n * </div>\n * ```\n *\n * the `input` element will have the following settings\n *\n * ```js\n * { allowInvalid: true, updateOn: 'default', debounce: 0 }\n * ```\n *\n * Notice that the `debounce` setting was not inherited and used the default value instead.\n *\n * You can specify that all undefined settings are automatically inherited from an ancestor by\n * including a property with key of `\"*\"` and value of `\"$inherit\"`.\n *\n * For example given the following fragment of HTML\n *\n *\n * ```html\n * <div ng-model-options=\"{ allowInvalid: true, debounce: 200 }\">\n *   <form ng-model-options=\"{ updateOn: 'blur', \"*\": '$inherit' }\">\n *     <input ng-model-options=\"{ updateOn: 'default', \"*\": '$inherit' }\" />\n *   </form>\n * </div>\n * ```\n *\n * the `input` element will have the following settings\n *\n * ```js\n * { allowInvalid: true, updateOn: 'default', debounce: 200 }\n * ```\n *\n * Notice that the `debounce` setting now inherits the value from the outer `<div>` element.\n *\n * If you are creating a reusable component then you should be careful when using `\"*\": \"$inherit\"`\n * since you may inadvertently inherit a setting in the future that changes the behavior of your component.\n *\n *\n * ## Triggering and debouncing model updates\n *\n * The `updateOn` and `debounce` properties allow you to specify a custom list of events that will\n * trigger a model update and/or a debouncing delay so that the actual update only takes place when\n * a timer expires; this timer will be reset after another change takes place.\n *\n * Given the nature of `ngModelOptions`, the value displayed inside input fields in the view might\n * be different from the value in the actual model. This means that if you update the model you\n * should also invoke {@link ngModel.NgModelController#$rollbackViewValue} on the relevant input field in\n * order to make sure it is synchronized with the model and that any debounced action is canceled.\n *\n * The easiest way to reference the control's {@link ngModel.NgModelController#$rollbackViewValue}\n * method is by making sure the input is placed inside a form that has a `name` attribute. This is\n * important because `form` controllers are published to the related scope under the name in their\n * `name` attribute.\n *\n * Any pending changes will take place immediately when an enclosing form is submitted via the\n * `submit` event. Note that `ngClick` events will occur before the model is updated. Use `ngSubmit`\n * to have access to the updated model.\n *\n * ### Overriding immediate updates\n *\n * The following example shows how to override immediate updates. Changes on the inputs within the\n * form will update the model only when the control loses focus (blur event). If `escape` key is\n * pressed while the input field is focused, the value is reset to the value in the current model.\n *\n * <example name=\"ngModelOptions-directive-blur\" module=\"optionsExample\">\n *   <file name=\"index.html\">\n *     <div ng-controller=\"ExampleController\">\n *       <form name=\"userForm\">\n *         <label>\n *           Name:\n *           <input type=\"text\" name=\"userName\"\n *                  ng-model=\"user.name\"\n *                  ng-model-options=\"{ updateOn: 'blur' }\"\n *                  ng-keyup=\"cancel($event)\" />\n *         </label><br />\n *         <label>\n *           Other data:\n *           <input type=\"text\" ng-model=\"user.data\" />\n *         </label><br />\n *       </form>\n *       <pre>user.name = <span ng-bind=\"user.name\"></span></pre>\n *     </div>\n *   </file>\n *   <file name=\"app.js\">\n *     angular.module('optionsExample', [])\n *       .controller('ExampleController', ['$scope', function($scope) {\n *         $scope.user = { name: 'say', data: '' };\n *\n *         $scope.cancel = function(e) {\n *           if (e.keyCode === 27) {\n *             $scope.userForm.userName.$rollbackViewValue();\n *           }\n *         };\n *       }]);\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n *     var model = element(by.binding('user.name'));\n *     var input = element(by.model('user.name'));\n *     var other = element(by.model('user.data'));\n *\n *     it('should allow custom events', function() {\n *       input.sendKeys(' hello');\n *       input.click();\n *       expect(model.getText()).toEqual('say');\n *       other.click();\n *       expect(model.getText()).toEqual('say hello');\n *     });\n *\n *     it('should $rollbackViewValue when model changes', function() {\n *       input.sendKeys(' hello');\n *       expect(input.getAttribute('value')).toEqual('say hello');\n *       input.sendKeys(protractor.Key.ESCAPE);\n *       expect(input.getAttribute('value')).toEqual('say');\n *       other.click();\n *       expect(model.getText()).toEqual('say');\n *     });\n *   </file>\n * </example>\n *\n * ### Debouncing updates\n *\n * The next example shows how to debounce model changes. Model will be updated only 1 sec after last change.\n * If the `Clear` button is pressed, any debounced action is canceled and the value becomes empty.\n *\n * <example name=\"ngModelOptions-directive-debounce\" module=\"optionsExample\">\n *   <file name=\"index.html\">\n *     <div ng-controller=\"ExampleController\">\n *       <form name=\"userForm\">\n *         Name:\n *         <input type=\"text\" name=\"userName\"\n *                ng-model=\"user.name\"\n *                ng-model-options=\"{ debounce: 1000 }\" />\n *         <button ng-click=\"userForm.userName.$rollbackViewValue(); user.name=''\">Clear</button><br />\n *       </form>\n *       <pre>user.name = <span ng-bind=\"user.name\"></span></pre>\n *     </div>\n *   </file>\n *   <file name=\"app.js\">\n *     angular.module('optionsExample', [])\n *       .controller('ExampleController', ['$scope', function($scope) {\n *         $scope.user = { name: 'say' };\n *       }]);\n *   </file>\n * </example>\n *\n * ### Default events, extra triggers, and catch-all debounce values\n *\n * This example shows the relationship between \"default\" update events and\n * additional `updateOn` triggers.\n *\n * `default` events are those that are bound to the control, and when fired, update the `$viewValue`\n * via {@link ngModel.NgModelController#$setViewValue $setViewValue}. Every event that is not listed\n * in `updateOn` is considered a \"default\" event, since different control types have different\n * default events.\n *\n * The control in this example updates by \"default\", \"click\", and \"blur\", with different `debounce`\n * values. You can see that \"click\" doesn't have an individual `debounce` value -\n * therefore it uses the `*` debounce value.\n *\n * There is also a button that calls {@link ngModel.NgModelController#$setViewValue $setViewValue}\n * directly with a \"custom\" event. Since \"custom\" is not defined in the `updateOn` list,\n * it is considered a \"default\" event and will update the\n * control if \"default\" is defined in `updateOn`, and will receive the \"default\" debounce value.\n * Note that this is just to illustrate how custom controls would possibly call `$setViewValue`.\n *\n * You can change the `updateOn` and `debounce` configuration to test different scenarios. This\n * is done with {@link ngModel.NgModelController#$overrideModelOptions $overrideModelOptions}.\n *\n  <example name=\"ngModelOptions-advanced\" module=\"optionsExample\">\n    <file name=\"index.html\">\n       <model-update-demo></model-update-demo>\n    </file>\n    <file name=\"app.js\">\n      angular.module('optionsExample', [])\n        .component('modelUpdateDemo', {\n          templateUrl: 'template.html',\n          controller: function() {\n            this.name = 'Chinua';\n\n            this.options = {\n              updateOn: 'default blur click',\n              debounce: {\n                default: 2000,\n                blur: 0,\n                '*': 1000\n              }\n            };\n\n            this.updateEvents = function() {\n              var eventList = this.options.updateOn.split(' ');\n              eventList.push('*');\n              var events = {};\n\n              for (var i = 0; i < eventList.length; i++) {\n                events[eventList[i]] = this.options.debounce[eventList[i]];\n              }\n\n              this.events = events;\n            };\n\n            this.updateOptions = function() {\n              var options = angular.extend(this.options, {\n                updateOn: Object.keys(this.events).join(' ').replace('*', ''),\n                debounce: this.events\n              });\n\n              this.form.input.$overrideModelOptions(options);\n            };\n\n            // Initialize the event form\n            this.updateEvents();\n          }\n        });\n    </file>\n    <file name=\"template.html\">\n      <form name=\"$ctrl.form\">\n        Input: <input type=\"text\" name=\"input\" ng-model=\"$ctrl.name\" ng-model-options=\"$ctrl.options\" />\n      </form>\n      Model: <tt>{{$ctrl.name}}</tt>\n      <hr>\n      <button ng-click=\"$ctrl.form.input.$setViewValue('some value', 'custom')\">Trigger setViewValue with 'some value' and 'custom' event</button>\n\n      <hr>\n      <form ng-submit=\"$ctrl.updateOptions()\">\n        <b>updateOn</b><br>\n        <input type=\"text\" ng-model=\"$ctrl.options.updateOn\" ng-change=\"$ctrl.updateEvents()\" ng-model-options=\"{debounce: 500}\">\n\n        <table>\n          <tr>\n            <th>Option</th>\n            <th>Debounce value</th>\n          </tr>\n          <tr ng-repeat=\"(key, value) in $ctrl.events\">\n            <td>{{key}}</td>\n            <td><input type=\"number\" ng-model=\"$ctrl.events[key]\" /></td>\n          </tr>\n        </table>\n\n        <br>\n        <input type=\"submit\" value=\"Update options\">\n      </form>\n    </file>\n  </example>\n *\n *\n * ## Model updates and validation\n *\n * The default behaviour in `ngModel` is that the model value is set to `undefined` when the\n * validation determines that the value is invalid. By setting the `allowInvalid` property to true,\n * the model will still be updated even if the value is invalid.\n *\n *\n * ## Connecting to the scope\n *\n * By setting the `getterSetter` property to true you are telling ngModel that the `ngModel` expression\n * on the scope refers to a \"getter/setter\" function rather than the value itself.\n *\n * The following example shows how to bind to getter/setters:\n *\n * <example name=\"ngModelOptions-directive-getter-setter\" module=\"getterSetterExample\">\n *   <file name=\"index.html\">\n *     <div ng-controller=\"ExampleController\">\n *       <form name=\"userForm\">\n *         <label>\n *           Name:\n *           <input type=\"text\" name=\"userName\"\n *                  ng-model=\"user.name\"\n *                  ng-model-options=\"{ getterSetter: true }\" />\n *         </label>\n *       </form>\n *       <pre>user.name = <span ng-bind=\"user.name()\"></span></pre>\n *     </div>\n *   </file>\n *   <file name=\"app.js\">\n *     angular.module('getterSetterExample', [])\n *       .controller('ExampleController', ['$scope', function($scope) {\n *         var _name = 'Brian';\n *         $scope.user = {\n *           name: function(newName) {\n *             return angular.isDefined(newName) ? (_name = newName) : _name;\n *           }\n *         };\n *       }]);\n *   </file>\n * </example>\n *\n *\n * ## Programmatically changing options\n *\n * The `ngModelOptions` expression is only evaluated once when the directive is linked; it is not\n * watched for changes. However, it is possible to override the options on a single\n * {@link ngModel.NgModelController} instance with\n * {@link ngModel.NgModelController#$overrideModelOptions `NgModelController#$overrideModelOptions()`}.\n * See also the example for\n * {@link ngModelOptions#default-events-extra-triggers-and-catch-all-debounce-values\n * Default events, extra triggers, and catch-all debounce values}.\n *\n *\n * ## Specifying timezones\n *\n * You can specify the timezone that date/time input directives expect by providing its name in the\n * `timezone` property.\n *\n *\n * ## Formatting the value of `time` and `datetime-local`\n *\n * With the options `timeSecondsFormat` and `timeStripZeroSeconds` it is possible to adjust the value\n * that is displayed in the control. Note that browsers may apply their own formatting\n * in the user interface.\n *\n   <example name=\"ngModelOptions-time-format\" module=\"timeExample\">\n     <file name=\"index.html\">\n       <time-example></time-example>\n     </file>\n     <file name=\"script.js\">\n        angular.module('timeExample', [])\n          .component('timeExample', {\n            templateUrl: 'timeExample.html',\n            controller: function() {\n              this.time = new Date(1970, 0, 1, 14, 57, 0);\n\n              this.options = {\n                timeSecondsFormat: 'ss',\n                timeStripZeroSeconds: true\n              };\n\n              this.optionChange = function() {\n                this.timeForm.timeFormatted.$overrideModelOptions(this.options);\n                this.time = new Date(this.time);\n              };\n            }\n          });\n     </file>\n     <file name=\"timeExample.html\">\n       <form name=\"$ctrl.timeForm\">\n         <strong>Default</strong>:\n         <input type=\"time\" ng-model=\"$ctrl.time\" step=\"any\" /><br>\n         <strong>With options</strong>:\n         <input type=\"time\" name=\"timeFormatted\" ng-model=\"$ctrl.time\" step=\"any\" ng-model-options=\"$ctrl.options\" />\n         <br>\n\n         Options:<br>\n         <code>timeSecondsFormat</code>:\n         <input\n           type=\"text\"\n           ng-model=\"$ctrl.options.timeSecondsFormat\"\n           ng-change=\"$ctrl.optionChange()\">\n         <br>\n         <code>timeStripZeroSeconds</code>:\n         <input\n           type=\"checkbox\"\n           ng-model=\"$ctrl.options.timeStripZeroSeconds\"\n           ng-change=\"$ctrl.optionChange()\">\n        </form>\n      </file>\n *  </example>\n *\n * @param {Object} ngModelOptions options to apply to {@link ngModel} directives on this element and\n *   and its descendents.\n *\n * **General options**:\n *\n *   - `updateOn`: string specifying which event should the input be bound to. You can set several\n *     events using an space delimited list. There is a special event called `default` that\n *     matches the default events belonging to the control. These are the events that are bound to\n *     the control, and when fired, update the `$viewValue` via `$setViewValue`.\n *\n *     `ngModelOptions` considers every event that is not listed in `updateOn` a \"default\" event,\n *     since different control types use different default events.\n *\n *     See also the section {@link ngModelOptions#triggering-and-debouncing-model-updates\n *     Triggering and debouncing model updates}.\n *\n *   - `debounce`: integer value which contains the debounce model update value in milliseconds. A\n *     value of 0 triggers an immediate update. If an object is supplied instead, you can specify a\n *     custom value for each event. For example:\n *     ```\n *     ng-model-options=\"{\n *       updateOn: 'default blur',\n *       debounce: { 'default': 500, 'blur': 0 }\n *     }\"\n *     ```\n *     You can use the `*` key to specify a debounce value that applies to all events that are not\n *     specifically listed. In the following example, `mouseup` would have a debounce delay of 1000:\n *     ```\n *     ng-model-options=\"{\n *       updateOn: 'default blur mouseup',\n *       debounce: { 'default': 500, 'blur': 0, '*': 1000 }\n *     }\"\n *     ```\n *   - `allowInvalid`: boolean value which indicates that the model can be set with values that did\n *     not validate correctly instead of the default behavior of setting the model to undefined.\n *   - `getterSetter`: boolean value which determines whether or not to treat functions bound to\n *     `ngModel` as getters/setters.\n *\n *\n *  **Input-type specific options**:\n *\n *   - `timezone`: Defines the timezone to be used to read/write the `Date` instance in the model for\n *     `<input type=\"date\" />`, `<input type=\"time\" />`, ... . It understands UTC/GMT and the\n *     continental US time zone abbreviations, but for general use, use a time zone offset, for\n *     example, `'+0430'` (4 hours, 30 minutes east of the Greenwich meridian)\n *     If not specified, the timezone of the browser will be used.\n *     Note that changing the timezone will have no effect on the current date, and is only applied after\n *     the next input / model change.\n *\n *   - `timeSecondsFormat`: Defines if the `time` and `datetime-local` types should show seconds and\n *     milliseconds. The option follows the format string of {@link date date filter}.\n *     By default, the options is `undefined` which is equal to `'ss.sss'` (seconds and milliseconds).\n *     The other options are `'ss'` (strips milliseconds), and `''` (empty string), which strips both\n *     seconds and milliseconds.\n *     Note that browsers that support `time` and `datetime-local` require the hour and minutes\n *     part of the time string, and may show the value differently in the user interface.\n *     {@link ngModelOptions#formatting-the-value-of-time-and-datetime-local- See the example}.\n *\n *   - `timeStripZeroSeconds`: Defines if the `time` and `datetime-local` types should strip the\n *     seconds and milliseconds from the formatted value if they are zero. This option is applied\n *     after `timeSecondsFormat`.\n *     This option can be used to make the formatting consistent over different browsers, as some\n *     browsers with support for `time` will natively hide the milliseconds and\n *     seconds if they are zero, but others won't, and browsers that don't implement these input\n *     types will always show the full string.\n *     {@link ngModelOptions#formatting-the-value-of-time-and-datetime-local- See the example}.\n *\n */\nvar ngModelOptionsDirective = function() {\n  NgModelOptionsController.$inject = ['$attrs', '$scope'];\n  function NgModelOptionsController($attrs, $scope) {\n    this.$$attrs = $attrs;\n    this.$$scope = $scope;\n  }\n  NgModelOptionsController.prototype = {\n    $onInit: function() {\n      var parentOptions = this.parentCtrl ? this.parentCtrl.$options : defaultModelOptions;\n      var modelOptionsDefinition = this.$$scope.$eval(this.$$attrs.ngModelOptions);\n\n      this.$options = parentOptions.createChild(modelOptionsDefinition);\n    }\n  };\n\n  return {\n    restrict: 'A',\n    // ngModelOptions needs to run before ngModel and input directives\n    priority: 10,\n    require: {parentCtrl: '?^^ngModelOptions'},\n    bindToController: true,\n    controller: NgModelOptionsController\n  };\n};\n\n\n// shallow copy over values from `src` that are not already specified on `dst`\nfunction defaults(dst, src) {\n  forEach(src, function(value, key) {\n    if (!isDefined(dst[key])) {\n      dst[key] = value;\n    }\n  });\n}\n\n/**\n * @ngdoc directive\n * @name ngNonBindable\n * @restrict AC\n * @priority 1000\n * @element ANY\n *\n * @description\n * The `ngNonBindable` directive tells AngularJS not to compile or bind the contents of the current\n * DOM element, including directives on the element itself that have a lower priority than\n * `ngNonBindable`. This is useful if the element contains what appears to be AngularJS directives\n * and bindings but which should be ignored by AngularJS. This could be the case if you have a site\n * that displays snippets of code, for instance.\n *\n * @example\n * In this example there are two locations where a simple interpolation binding (`{{}}`) is present,\n * but the one wrapped in `ngNonBindable` is left alone.\n *\n  <example name=\"ng-non-bindable\">\n    <file name=\"index.html\">\n      <div>Normal: {{1 + 2}}</div>\n      <div ng-non-bindable>Ignored: {{1 + 2}}</div>\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n     it('should check ng-non-bindable', function() {\n       expect(element(by.binding('1 + 2')).getText()).toContain('3');\n       expect(element.all(by.css('div')).last().getText()).toMatch(/1 \\+ 2/);\n     });\n    </file>\n  </example>\n */\nvar ngNonBindableDirective = ngDirective({ terminal: true, priority: 1000 });\n\n/* exported ngOptionsDirective */\n\n/* global jqLiteRemove */\n\nvar ngOptionsMinErr = minErr('ngOptions');\n\n/**\n * @ngdoc directive\n * @name ngOptions\n * @restrict A\n *\n * @description\n *\n * The `ngOptions` attribute can be used to dynamically generate a list of `<option>`\n * elements for the `<select>` element using the array or object obtained by evaluating the\n * `ngOptions` comprehension expression.\n *\n * In many cases, {@link ng.directive:ngRepeat ngRepeat} can be used on `<option>` elements instead of\n * `ngOptions` to achieve a similar result. However, `ngOptions` provides some benefits:\n * - more flexibility in how the `<select>`'s model is assigned via the `select` **`as`** part of the\n * comprehension expression\n * - reduced memory consumption by not creating a new scope for each repeated instance\n * - increased render speed by creating the options in a documentFragment instead of individually\n *\n * When an item in the `<select>` menu is selected, the array element or object property\n * represented by the selected option will be bound to the model identified by the `ngModel`\n * directive.\n *\n * Optionally, a single hard-coded `<option>` element, with the value set to an empty string, can\n * be nested into the `<select>` element. This element will then represent the `null` or \"not selected\"\n * option. See example below for demonstration.\n *\n * ## Complex Models (objects or collections)\n *\n * By default, `ngModel` watches the model by reference, not value. This is important to know when\n * binding the select to a model that is an object or a collection.\n *\n * One issue occurs if you want to preselect an option. For example, if you set\n * the model to an object that is equal to an object in your collection, `ngOptions` won't be able to set the selection,\n * because the objects are not identical. So by default, you should always reference the item in your collection\n * for preselections, e.g.: `$scope.selected = $scope.collection[3]`.\n *\n * Another solution is to use a `track by` clause, because then `ngOptions` will track the identity\n * of the item not by reference, but by the result of the `track by` expression. For example, if your\n * collection items have an id property, you would `track by item.id`.\n *\n * A different issue with objects or collections is that ngModel won't detect if an object property or\n * a collection item changes. For that reason, `ngOptions` additionally watches the model using\n * `$watchCollection`, when the expression contains a `track by` clause or the the select has the `multiple` attribute.\n * This allows ngOptions to trigger a re-rendering of the options even if the actual object/collection\n * has not changed identity, but only a property on the object or an item in the collection changes.\n *\n * Note that `$watchCollection` does a shallow comparison of the properties of the object (or the items in the collection\n * if the model is an array). This means that changing a property deeper than the first level inside the\n * object/collection will not trigger a re-rendering.\n *\n * ## `select` **`as`**\n *\n * Using `select` **`as`** will bind the result of the `select` expression to the model, but\n * the value of the `<select>` and `<option>` html elements will be either the index (for array data sources)\n * or property name (for object data sources) of the value within the collection. If a **`track by`** expression\n * is used, the result of that expression will be set as the value of the `option` and `select` elements.\n *\n *\n * ### `select` **`as`** and **`track by`**\n *\n * <div class=\"alert alert-warning\">\n * Be careful when using `select` **`as`** and **`track by`** in the same expression.\n * </div>\n *\n * Given this array of items on the $scope:\n *\n * ```js\n * $scope.items = [{\n *   id: 1,\n *   label: 'aLabel',\n *   subItem: { name: 'aSubItem' }\n * }, {\n *   id: 2,\n *   label: 'bLabel',\n *   subItem: { name: 'bSubItem' }\n * }];\n * ```\n *\n * This will work:\n *\n * ```html\n * <select ng-options=\"item as item.label for item in items track by item.id\" ng-model=\"selected\"></select>\n * ```\n * ```js\n * $scope.selected = $scope.items[0];\n * ```\n *\n * but this will not work:\n *\n * ```html\n * <select ng-options=\"item.subItem as item.label for item in items track by item.id\" ng-model=\"selected\"></select>\n * ```\n * ```js\n * $scope.selected = $scope.items[0].subItem;\n * ```\n *\n * In both examples, the **`track by`** expression is applied successfully to each `item` in the\n * `items` array. Because the selected option has been set programmatically in the controller, the\n * **`track by`** expression is also applied to the `ngModel` value. In the first example, the\n * `ngModel` value is `items[0]` and the **`track by`** expression evaluates to `items[0].id` with\n * no issue. In the second example, the `ngModel` value is `items[0].subItem` and the **`track by`**\n * expression evaluates to `items[0].subItem.id` (which is undefined). As a result, the model value\n * is not matched against any `<option>` and the `<select>` appears as having no selected value.\n *\n *\n * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n * @param {comprehension_expression} ngOptions in one of the following forms:\n *\n *   * for array data sources:\n *     * `label` **`for`** `value` **`in`** `array`\n *     * `select` **`as`** `label` **`for`** `value` **`in`** `array`\n *     * `label` **`group by`** `group` **`for`** `value` **`in`** `array`\n *     * `label` **`disable when`** `disable` **`for`** `value` **`in`** `array`\n *     * `label` **`group by`** `group` **`for`** `value` **`in`** `array` **`track by`** `trackexpr`\n *     * `label` **`disable when`** `disable` **`for`** `value` **`in`** `array` **`track by`** `trackexpr`\n *     * `label` **`for`** `value` **`in`** `array` | orderBy:`orderexpr` **`track by`** `trackexpr`\n *        (for including a filter with `track by`)\n *   * for object data sources:\n *     * `label` **`for (`**`key` **`,`** `value`**`) in`** `object`\n *     * `select` **`as`** `label` **`for (`**`key` **`,`** `value`**`) in`** `object`\n *     * `label` **`group by`** `group` **`for (`**`key`**`,`** `value`**`) in`** `object`\n *     * `label` **`disable when`** `disable` **`for (`**`key`**`,`** `value`**`) in`** `object`\n *     * `select` **`as`** `label` **`group by`** `group`\n *         **`for` `(`**`key`**`,`** `value`**`) in`** `object`\n *     * `select` **`as`** `label` **`disable when`** `disable`\n *         **`for` `(`**`key`**`,`** `value`**`) in`** `object`\n *\n * Where:\n *\n *   * `array` / `object`: an expression which evaluates to an array / object to iterate over.\n *   * `value`: local variable which will refer to each item in the `array` or each property value\n *      of `object` during iteration.\n *   * `key`: local variable which will refer to a property name in `object` during iteration.\n *   * `label`: The result of this expression will be the label for `<option>` element. The\n *     `expression` will most likely refer to the `value` variable (e.g. `value.propertyName`).\n *   * `select`: The result of this expression will be bound to the model of the parent `<select>`\n *      element. If not specified, `select` expression will default to `value`.\n *   * `group`: The result of this expression will be used to group options using the `<optgroup>`\n *      DOM element.\n *   * `disable`: The result of this expression will be used to disable the rendered `<option>`\n *      element. Return `true` to disable.\n *   * `trackexpr`: Used when working with an array of objects. The result of this expression will be\n *      used to identify the objects in the array. The `trackexpr` will most likely refer to the\n *     `value` variable (e.g. `value.propertyName`). With this the selection is preserved\n *      even when the options are recreated (e.g. reloaded from the server).\n * @param {string=} name Property name of the form under which the control is published.\n * @param {string=} required The control is considered valid only if value is entered.\n * @param {string=} ngRequired Adds `required` attribute and `required` validation constraint to\n *    the element when the ngRequired expression evaluates to true. Use `ngRequired` instead of\n *    `required` when you want to data-bind to the `required` attribute.\n * @param {string=} ngAttrSize sets the size of the select element dynamically. Uses the\n * {@link guide/interpolation#-ngattr-for-binding-to-arbitrary-attributes ngAttr} directive.\n *\n * @example\n    <example module=\"selectExample\" name=\"select\">\n      <file name=\"index.html\">\n        <script>\n        angular.module('selectExample', [])\n          .controller('ExampleController', ['$scope', function($scope) {\n            $scope.colors = [\n              {name:'black', shade:'dark'},\n              {name:'white', shade:'light', notAnOption: true},\n              {name:'red', shade:'dark'},\n              {name:'blue', shade:'dark', notAnOption: true},\n              {name:'yellow', shade:'light', notAnOption: false}\n            ];\n            $scope.myColor = $scope.colors[2]; // red\n          }]);\n        </script>\n        <div ng-controller=\"ExampleController\">\n          <ul>\n            <li ng-repeat=\"color in colors\">\n              <label>Name: <input ng-model=\"color.name\"></label>\n              <label><input type=\"checkbox\" ng-model=\"color.notAnOption\"> Disabled?</label>\n              <button ng-click=\"colors.splice($index, 1)\" aria-label=\"Remove\">X</button>\n            </li>\n            <li>\n              <button ng-click=\"colors.push({})\">add</button>\n            </li>\n          </ul>\n          <hr/>\n          <label>Color (null not allowed):\n            <select ng-model=\"myColor\" ng-options=\"color.name for color in colors\"></select>\n          </label><br/>\n          <label>Color (null allowed):\n          <span  class=\"nullable\">\n            <select ng-model=\"myColor\" ng-options=\"color.name for color in colors\">\n              <option value=\"\">-- choose color --</option>\n            </select>\n          </span></label><br/>\n\n          <label>Color grouped by shade:\n            <select ng-model=\"myColor\" ng-options=\"color.name group by color.shade for color in colors\">\n            </select>\n          </label><br/>\n\n          <label>Color grouped by shade, with some disabled:\n            <select ng-model=\"myColor\"\n                  ng-options=\"color.name group by color.shade disable when color.notAnOption for color in colors\">\n            </select>\n          </label><br/>\n\n\n\n          Select <button ng-click=\"myColor = { name:'not in list', shade: 'other' }\">bogus</button>.\n          <br/>\n          <hr/>\n          Currently selected: {{ {selected_color:myColor} }}\n          <div style=\"border:solid 1px black; height:20px\"\n               ng-style=\"{'background-color':myColor.name}\">\n          </div>\n        </div>\n      </file>\n      <file name=\"protractor.js\" type=\"protractor\">\n         it('should check ng-options', function() {\n           expect(element(by.binding('{selected_color:myColor}')).getText()).toMatch('red');\n           element.all(by.model('myColor')).first().click();\n           element.all(by.css('select[ng-model=\"myColor\"] option')).first().click();\n           expect(element(by.binding('{selected_color:myColor}')).getText()).toMatch('black');\n           element(by.css('.nullable select[ng-model=\"myColor\"]')).click();\n           element.all(by.css('.nullable select[ng-model=\"myColor\"] option')).first().click();\n           expect(element(by.binding('{selected_color:myColor}')).getText()).toMatch('null');\n         });\n      </file>\n    </example>\n */\n\n/* eslint-disable max-len */\n//                     //00001111111111000000000002222222222000000000000000000000333333333300000000000000000000000004444444444400000000000005555555555555000000000666666666666600000007777777777777000000000000000888888888800000000000000000009999999999\nvar NG_OPTIONS_REGEXP = /^\\s*([\\s\\S]+?)(?:\\s+as\\s+([\\s\\S]+?))?(?:\\s+group\\s+by\\s+([\\s\\S]+?))?(?:\\s+disable\\s+when\\s+([\\s\\S]+?))?\\s+for\\s+(?:([$\\w][$\\w]*)|(?:\\(\\s*([$\\w][$\\w]*)\\s*,\\s*([$\\w][$\\w]*)\\s*\\)))\\s+in\\s+([\\s\\S]+?)(?:\\s+track\\s+by\\s+([\\s\\S]+?))?$/;\n                        // 1: value expression (valueFn)\n                        // 2: label expression (displayFn)\n                        // 3: group by expression (groupByFn)\n                        // 4: disable when expression (disableWhenFn)\n                        // 5: array item variable name\n                        // 6: object item key variable name\n                        // 7: object item value variable name\n                        // 8: collection expression\n                        // 9: track by expression\n/* eslint-enable */\n\n\nvar ngOptionsDirective = ['$compile', '$document', '$parse', function($compile, $document, $parse) {\n\n  function parseOptionsExpression(optionsExp, selectElement, scope) {\n\n    var match = optionsExp.match(NG_OPTIONS_REGEXP);\n    if (!(match)) {\n      throw ngOptionsMinErr('iexp',\n        'Expected expression in form of ' +\n        '\\'_select_ (as _label_)? for (_key_,)?_value_ in _collection_\\'' +\n        ' but got \\'{0}\\'. Element: {1}',\n        optionsExp, startingTag(selectElement));\n    }\n\n    // Extract the parts from the ngOptions expression\n\n    // The variable name for the value of the item in the collection\n    var valueName = match[5] || match[7];\n    // The variable name for the key of the item in the collection\n    var keyName = match[6];\n\n    // An expression that generates the viewValue for an option if there is a label expression\n    var selectAs = / as /.test(match[0]) && match[1];\n    // An expression that is used to track the id of each object in the options collection\n    var trackBy = match[9];\n    // An expression that generates the viewValue for an option if there is no label expression\n    var valueFn = $parse(match[2] ? match[1] : valueName);\n    var selectAsFn = selectAs && $parse(selectAs);\n    var viewValueFn = selectAsFn || valueFn;\n    var trackByFn = trackBy && $parse(trackBy);\n\n    // Get the value by which we are going to track the option\n    // if we have a trackFn then use that (passing scope and locals)\n    // otherwise just hash the given viewValue\n    var getTrackByValueFn = trackBy ?\n                              function(value, locals) { return trackByFn(scope, locals); } :\n                              function getHashOfValue(value) { return hashKey(value); };\n    var getTrackByValue = function(value, key) {\n      return getTrackByValueFn(value, getLocals(value, key));\n    };\n\n    var displayFn = $parse(match[2] || match[1]);\n    var groupByFn = $parse(match[3] || '');\n    var disableWhenFn = $parse(match[4] || '');\n    var valuesFn = $parse(match[8]);\n\n    var locals = {};\n    var getLocals = keyName ? function(value, key) {\n      locals[keyName] = key;\n      locals[valueName] = value;\n      return locals;\n    } : function(value) {\n      locals[valueName] = value;\n      return locals;\n    };\n\n\n    function Option(selectValue, viewValue, label, group, disabled) {\n      this.selectValue = selectValue;\n      this.viewValue = viewValue;\n      this.label = label;\n      this.group = group;\n      this.disabled = disabled;\n    }\n\n    function getOptionValuesKeys(optionValues) {\n      var optionValuesKeys;\n\n      if (!keyName && isArrayLike(optionValues)) {\n        optionValuesKeys = optionValues;\n      } else {\n        // if object, extract keys, in enumeration order, unsorted\n        optionValuesKeys = [];\n        for (var itemKey in optionValues) {\n          if (optionValues.hasOwnProperty(itemKey) && itemKey.charAt(0) !== '$') {\n            optionValuesKeys.push(itemKey);\n          }\n        }\n      }\n      return optionValuesKeys;\n    }\n\n    return {\n      trackBy: trackBy,\n      getTrackByValue: getTrackByValue,\n      getWatchables: $parse(valuesFn, function(optionValues) {\n        // Create a collection of things that we would like to watch (watchedArray)\n        // so that they can all be watched using a single $watchCollection\n        // that only runs the handler once if anything changes\n        var watchedArray = [];\n        optionValues = optionValues || [];\n\n        var optionValuesKeys = getOptionValuesKeys(optionValues);\n        var optionValuesLength = optionValuesKeys.length;\n        for (var index = 0; index < optionValuesLength; index++) {\n          var key = (optionValues === optionValuesKeys) ? index : optionValuesKeys[index];\n          var value = optionValues[key];\n\n          var locals = getLocals(value, key);\n          var selectValue = getTrackByValueFn(value, locals);\n          watchedArray.push(selectValue);\n\n          // Only need to watch the displayFn if there is a specific label expression\n          if (match[2] || match[1]) {\n            var label = displayFn(scope, locals);\n            watchedArray.push(label);\n          }\n\n          // Only need to watch the disableWhenFn if there is a specific disable expression\n          if (match[4]) {\n            var disableWhen = disableWhenFn(scope, locals);\n            watchedArray.push(disableWhen);\n          }\n        }\n        return watchedArray;\n      }),\n\n      getOptions: function() {\n\n        var optionItems = [];\n        var selectValueMap = {};\n\n        // The option values were already computed in the `getWatchables` fn,\n        // which must have been called to trigger `getOptions`\n        var optionValues = valuesFn(scope) || [];\n        var optionValuesKeys = getOptionValuesKeys(optionValues);\n        var optionValuesLength = optionValuesKeys.length;\n\n        for (var index = 0; index < optionValuesLength; index++) {\n          var key = (optionValues === optionValuesKeys) ? index : optionValuesKeys[index];\n          var value = optionValues[key];\n          var locals = getLocals(value, key);\n          var viewValue = viewValueFn(scope, locals);\n          var selectValue = getTrackByValueFn(viewValue, locals);\n          var label = displayFn(scope, locals);\n          var group = groupByFn(scope, locals);\n          var disabled = disableWhenFn(scope, locals);\n          var optionItem = new Option(selectValue, viewValue, label, group, disabled);\n\n          optionItems.push(optionItem);\n          selectValueMap[selectValue] = optionItem;\n        }\n\n        return {\n          items: optionItems,\n          selectValueMap: selectValueMap,\n          getOptionFromViewValue: function(value) {\n            return selectValueMap[getTrackByValue(value)];\n          },\n          getViewValueFromOption: function(option) {\n            // If the viewValue could be an object that may be mutated by the application,\n            // we need to make a copy and not return the reference to the value on the option.\n            return trackBy ? copy(option.viewValue) : option.viewValue;\n          }\n        };\n      }\n    };\n  }\n\n\n  // Support: IE 9 only\n  // We can't just jqLite('<option>') since jqLite is not smart enough\n  // to create it in <select> and IE barfs otherwise.\n  var optionTemplate = window.document.createElement('option'),\n      optGroupTemplate = window.document.createElement('optgroup');\n\n    function ngOptionsPostLink(scope, selectElement, attr, ctrls) {\n\n      var selectCtrl = ctrls[0];\n      var ngModelCtrl = ctrls[1];\n      var multiple = attr.multiple;\n\n      // The emptyOption allows the application developer to provide their own custom \"empty\"\n      // option when the viewValue does not match any of the option values.\n      for (var i = 0, children = selectElement.children(), ii = children.length; i < ii; i++) {\n        if (children[i].value === '') {\n          selectCtrl.hasEmptyOption = true;\n          selectCtrl.emptyOption = children.eq(i);\n          break;\n        }\n      }\n\n      // The empty option will be compiled and rendered before we first generate the options\n      selectElement.empty();\n\n      var providedEmptyOption = !!selectCtrl.emptyOption;\n\n      var unknownOption = jqLite(optionTemplate.cloneNode(false));\n      unknownOption.val('?');\n\n      var options;\n      var ngOptions = parseOptionsExpression(attr.ngOptions, selectElement, scope);\n      // This stores the newly created options before they are appended to the select.\n      // Since the contents are removed from the fragment when it is appended,\n      // we only need to create it once.\n      var listFragment = $document[0].createDocumentFragment();\n\n      // Overwrite the implementation. ngOptions doesn't use hashes\n      selectCtrl.generateUnknownOptionValue = function(val) {\n        return '?';\n      };\n\n      // Update the controller methods for multiple selectable options\n      if (!multiple) {\n\n        selectCtrl.writeValue = function writeNgOptionsValue(value) {\n          // The options might not be defined yet when ngModel tries to render\n          if (!options) return;\n\n          var selectedOption = selectElement[0].options[selectElement[0].selectedIndex];\n          var option = options.getOptionFromViewValue(value);\n\n          // Make sure to remove the selected attribute from the previously selected option\n          // Otherwise, screen readers might get confused\n          if (selectedOption) selectedOption.removeAttribute('selected');\n\n          if (option) {\n            // Don't update the option when it is already selected.\n            // For example, the browser will select the first option by default. In that case,\n            // most properties are set automatically - except the `selected` attribute, which we\n            // set always\n\n            if (selectElement[0].value !== option.selectValue) {\n              selectCtrl.removeUnknownOption();\n\n              selectElement[0].value = option.selectValue;\n              option.element.selected = true;\n            }\n\n            option.element.setAttribute('selected', 'selected');\n          } else {\n            selectCtrl.selectUnknownOrEmptyOption(value);\n          }\n        };\n\n        selectCtrl.readValue = function readNgOptionsValue() {\n\n          var selectedOption = options.selectValueMap[selectElement.val()];\n\n          if (selectedOption && !selectedOption.disabled) {\n            selectCtrl.unselectEmptyOption();\n            selectCtrl.removeUnknownOption();\n            return options.getViewValueFromOption(selectedOption);\n          }\n          return null;\n        };\n\n        // If we are using `track by` then we must watch the tracked value on the model\n        // since ngModel only watches for object identity change\n        // FIXME: When a user selects an option, this watch will fire needlessly\n        if (ngOptions.trackBy) {\n          scope.$watch(\n            function() { return ngOptions.getTrackByValue(ngModelCtrl.$viewValue); },\n            function() { ngModelCtrl.$render(); }\n          );\n        }\n\n      } else {\n\n        selectCtrl.writeValue = function writeNgOptionsMultiple(values) {\n          // The options might not be defined yet when ngModel tries to render\n          if (!options) return;\n\n          // Only set `<option>.selected` if necessary, in order to prevent some browsers from\n          // scrolling to `<option>` elements that are outside the `<select>` element's viewport.\n          var selectedOptions = values && values.map(getAndUpdateSelectedOption) || [];\n\n          options.items.forEach(function(option) {\n            if (option.element.selected && !includes(selectedOptions, option)) {\n              option.element.selected = false;\n            }\n          });\n        };\n\n\n        selectCtrl.readValue = function readNgOptionsMultiple() {\n          var selectedValues = selectElement.val() || [],\n              selections = [];\n\n          forEach(selectedValues, function(value) {\n            var option = options.selectValueMap[value];\n            if (option && !option.disabled) selections.push(options.getViewValueFromOption(option));\n          });\n\n          return selections;\n        };\n\n        // If we are using `track by` then we must watch these tracked values on the model\n        // since ngModel only watches for object identity change\n        if (ngOptions.trackBy) {\n\n          scope.$watchCollection(function() {\n            if (isArray(ngModelCtrl.$viewValue)) {\n              return ngModelCtrl.$viewValue.map(function(value) {\n                return ngOptions.getTrackByValue(value);\n              });\n            }\n          }, function() {\n            ngModelCtrl.$render();\n          });\n\n        }\n      }\n\n      if (providedEmptyOption) {\n\n        // compile the element since there might be bindings in it\n        $compile(selectCtrl.emptyOption)(scope);\n\n        selectElement.prepend(selectCtrl.emptyOption);\n\n        if (selectCtrl.emptyOption[0].nodeType === NODE_TYPE_COMMENT) {\n          // This means the empty option has currently no actual DOM node, probably because\n          // it has been modified by a transclusion directive.\n          selectCtrl.hasEmptyOption = false;\n\n          // Redefine the registerOption function, which will catch\n          // options that are added by ngIf etc. (rendering of the node is async because of\n          // lazy transclusion)\n          selectCtrl.registerOption = function(optionScope, optionEl) {\n            if (optionEl.val() === '') {\n              selectCtrl.hasEmptyOption = true;\n              selectCtrl.emptyOption = optionEl;\n              selectCtrl.emptyOption.removeClass('ng-scope');\n              // This ensures the new empty option is selected if previously no option was selected\n              ngModelCtrl.$render();\n\n              optionEl.on('$destroy', function() {\n                var needsRerender = selectCtrl.$isEmptyOptionSelected();\n\n                selectCtrl.hasEmptyOption = false;\n                selectCtrl.emptyOption = undefined;\n\n                if (needsRerender) ngModelCtrl.$render();\n              });\n            }\n          };\n\n        } else {\n          // remove the class, which is added automatically because we recompile the element and it\n          // becomes the compilation root\n          selectCtrl.emptyOption.removeClass('ng-scope');\n        }\n\n      }\n\n      // We will re-render the option elements if the option values or labels change\n      scope.$watchCollection(ngOptions.getWatchables, updateOptions);\n\n      // ------------------------------------------------------------------ //\n\n      function addOptionElement(option, parent) {\n        var optionElement = optionTemplate.cloneNode(false);\n        parent.appendChild(optionElement);\n        updateOptionElement(option, optionElement);\n      }\n\n      function getAndUpdateSelectedOption(viewValue) {\n        var option = options.getOptionFromViewValue(viewValue);\n        var element = option && option.element;\n\n        if (element && !element.selected) element.selected = true;\n\n        return option;\n      }\n\n      function updateOptionElement(option, element) {\n        option.element = element;\n        element.disabled = option.disabled;\n        // Support: IE 11 only, Edge 12-13 only\n        // NOTE: The label must be set before the value, otherwise IE 11 & Edge create unresponsive\n        // selects in certain circumstances when multiple selects are next to each other and display\n        // the option list in listbox style, i.e. the select is [multiple], or specifies a [size].\n        // See https://github.com/angular/angular.js/issues/11314 for more info.\n        // This is unfortunately untestable with unit / e2e tests\n        if (option.label !== element.label) {\n          element.label = option.label;\n          element.textContent = option.label;\n        }\n        element.value = option.selectValue;\n      }\n\n      function updateOptions() {\n        var previousValue = options && selectCtrl.readValue();\n\n        // We must remove all current options, but cannot simply set innerHTML = null\n        // since the providedEmptyOption might have an ngIf on it that inserts comments which we\n        // must preserve.\n        // Instead, iterate over the current option elements and remove them or their optgroup\n        // parents\n        if (options) {\n\n          for (var i = options.items.length - 1; i >= 0; i--) {\n            var option = options.items[i];\n            if (isDefined(option.group)) {\n              jqLiteRemove(option.element.parentNode);\n            } else {\n              jqLiteRemove(option.element);\n            }\n          }\n        }\n\n        options = ngOptions.getOptions();\n\n        var groupElementMap = {};\n\n        options.items.forEach(function addOption(option) {\n          var groupElement;\n\n          if (isDefined(option.group)) {\n\n            // This option is to live in a group\n            // See if we have already created this group\n            groupElement = groupElementMap[option.group];\n\n            if (!groupElement) {\n\n              groupElement = optGroupTemplate.cloneNode(false);\n              listFragment.appendChild(groupElement);\n\n              // Update the label on the group element\n              // \"null\" is special cased because of Safari\n              groupElement.label = option.group === null ? 'null' : option.group;\n\n              // Store it for use later\n              groupElementMap[option.group] = groupElement;\n            }\n\n            addOptionElement(option, groupElement);\n\n          } else {\n\n            // This option is not in a group\n            addOptionElement(option, listFragment);\n          }\n        });\n\n        selectElement[0].appendChild(listFragment);\n\n        ngModelCtrl.$render();\n\n        // Check to see if the value has changed due to the update to the options\n        if (!ngModelCtrl.$isEmpty(previousValue)) {\n          var nextValue = selectCtrl.readValue();\n          var isNotPrimitive = ngOptions.trackBy || multiple;\n          if (isNotPrimitive ? !equals(previousValue, nextValue) : previousValue !== nextValue) {\n            ngModelCtrl.$setViewValue(nextValue);\n            ngModelCtrl.$render();\n          }\n        }\n      }\n  }\n\n  return {\n    restrict: 'A',\n    terminal: true,\n    require: ['select', 'ngModel'],\n    link: {\n      pre: function ngOptionsPreLink(scope, selectElement, attr, ctrls) {\n        // Deactivate the SelectController.register method to prevent\n        // option directives from accidentally registering themselves\n        // (and unwanted $destroy handlers etc.)\n        ctrls[0].registerOption = noop;\n      },\n      post: ngOptionsPostLink\n    }\n  };\n}];\n\n/**\n * @ngdoc directive\n * @name ngPluralize\n * @restrict EA\n *\n * @description\n * `ngPluralize` is a directive that displays messages according to en-US localization rules.\n * These rules are bundled with angular.js, but can be overridden\n * (see {@link guide/i18n AngularJS i18n} dev guide). You configure ngPluralize directive\n * by specifying the mappings between\n * [plural categories](http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/language_plural_rules.html)\n * and the strings to be displayed.\n *\n * ## Plural categories and explicit number rules\n * There are two\n * [plural categories](http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/language_plural_rules.html)\n * in AngularJS's default en-US locale: \"one\" and \"other\".\n *\n * While a plural category may match many numbers (for example, in en-US locale, \"other\" can match\n * any number that is not 1), an explicit number rule can only match one number. For example, the\n * explicit number rule for \"3\" matches the number 3. There are examples of plural categories\n * and explicit number rules throughout the rest of this documentation.\n *\n * ## Configuring ngPluralize\n * You configure ngPluralize by providing 2 attributes: `count` and `when`.\n * You can also provide an optional attribute, `offset`.\n *\n * The value of the `count` attribute can be either a string or an {@link guide/expression\n * AngularJS expression}; these are evaluated on the current scope for its bound value.\n *\n * The `when` attribute specifies the mappings between plural categories and the actual\n * string to be displayed. The value of the attribute should be a JSON object.\n *\n * The following example shows how to configure ngPluralize:\n *\n * ```html\n * <ng-pluralize count=\"personCount\"\n                 when=\"{'0': 'Nobody is viewing.',\n *                      'one': '1 person is viewing.',\n *                      'other': '{} people are viewing.'}\">\n * </ng-pluralize>\n *```\n *\n * In the example, `\"0: Nobody is viewing.\"` is an explicit number rule. If you did not\n * specify this rule, 0 would be matched to the \"other\" category and \"0 people are viewing\"\n * would be shown instead of \"Nobody is viewing\". You can specify an explicit number rule for\n * other numbers, for example 12, so that instead of showing \"12 people are viewing\", you can\n * show \"a dozen people are viewing\".\n *\n * You can use a set of closed braces (`{}`) as a placeholder for the number that you want substituted\n * into pluralized strings. In the previous example, AngularJS will replace `{}` with\n * <span ng-non-bindable>`{{personCount}}`</span>. The closed braces `{}` is a placeholder\n * for <span ng-non-bindable>{{numberExpression}}</span>.\n *\n * If no rule is defined for a category, then an empty string is displayed and a warning is generated.\n * Note that some locales define more categories than `one` and `other`. For example, fr-fr defines `few` and `many`.\n *\n * ## Configuring ngPluralize with offset\n * The `offset` attribute allows further customization of pluralized text, which can result in\n * a better user experience. For example, instead of the message \"4 people are viewing this document\",\n * you might display \"John, Kate and 2 others are viewing this document\".\n * The offset attribute allows you to offset a number by any desired value.\n * Let's take a look at an example:\n *\n * ```html\n * <ng-pluralize count=\"personCount\" offset=2\n *               when=\"{'0': 'Nobody is viewing.',\n *                      '1': '{{person1}} is viewing.',\n *                      '2': '{{person1}} and {{person2}} are viewing.',\n *                      'one': '{{person1}}, {{person2}} and one other person are viewing.',\n *                      'other': '{{person1}}, {{person2}} and {} other people are viewing.'}\">\n * </ng-pluralize>\n * ```\n *\n * Notice that we are still using two plural categories(one, other), but we added\n * three explicit number rules 0, 1 and 2.\n * When one person, perhaps John, views the document, \"John is viewing\" will be shown.\n * When three people view the document, no explicit number rule is found, so\n * an offset of 2 is taken off 3, and AngularJS uses 1 to decide the plural category.\n * In this case, plural category 'one' is matched and \"John, Mary and one other person are viewing\"\n * is shown.\n *\n * Note that when you specify offsets, you must provide explicit number rules for\n * numbers from 0 up to and including the offset. If you use an offset of 3, for example,\n * you must provide explicit number rules for 0, 1, 2 and 3. You must also provide plural strings for\n * plural categories \"one\" and \"other\".\n *\n * @param {string|expression} count The variable to be bound to.\n * @param {string} when The mapping between plural category to its corresponding strings.\n * @param {number=} offset Offset to deduct from the total number.\n *\n * @example\n    <example module=\"pluralizeExample\" name=\"ng-pluralize\">\n      <file name=\"index.html\">\n        <script>\n          angular.module('pluralizeExample', [])\n            .controller('ExampleController', ['$scope', function($scope) {\n              $scope.person1 = 'Igor';\n              $scope.person2 = 'Misko';\n              $scope.personCount = 1;\n            }]);\n        </script>\n        <div ng-controller=\"ExampleController\">\n          <label>Person 1:<input type=\"text\" ng-model=\"person1\" value=\"Igor\" /></label><br/>\n          <label>Person 2:<input type=\"text\" ng-model=\"person2\" value=\"Misko\" /></label><br/>\n          <label>Number of People:<input type=\"text\" ng-model=\"personCount\" value=\"1\" /></label><br/>\n\n          <!--- Example with simple pluralization rules for en locale --->\n          Without Offset:\n          <ng-pluralize count=\"personCount\"\n                        when=\"{'0': 'Nobody is viewing.',\n                               'one': '1 person is viewing.',\n                               'other': '{} people are viewing.'}\">\n          </ng-pluralize><br>\n\n          <!--- Example with offset --->\n          With Offset(2):\n          <ng-pluralize count=\"personCount\" offset=2\n                        when=\"{'0': 'Nobody is viewing.',\n                               '1': '{{person1}} is viewing.',\n                               '2': '{{person1}} and {{person2}} are viewing.',\n                               'one': '{{person1}}, {{person2}} and one other person are viewing.',\n                               'other': '{{person1}}, {{person2}} and {} other people are viewing.'}\">\n          </ng-pluralize>\n        </div>\n      </file>\n      <file name=\"protractor.js\" type=\"protractor\">\n        it('should show correct pluralized string', function() {\n          var withoutOffset = element.all(by.css('ng-pluralize')).get(0);\n          var withOffset = element.all(by.css('ng-pluralize')).get(1);\n          var countInput = element(by.model('personCount'));\n\n          expect(withoutOffset.getText()).toEqual('1 person is viewing.');\n          expect(withOffset.getText()).toEqual('Igor is viewing.');\n\n          countInput.clear();\n          countInput.sendKeys('0');\n\n          expect(withoutOffset.getText()).toEqual('Nobody is viewing.');\n          expect(withOffset.getText()).toEqual('Nobody is viewing.');\n\n          countInput.clear();\n          countInput.sendKeys('2');\n\n          expect(withoutOffset.getText()).toEqual('2 people are viewing.');\n          expect(withOffset.getText()).toEqual('Igor and Misko are viewing.');\n\n          countInput.clear();\n          countInput.sendKeys('3');\n\n          expect(withoutOffset.getText()).toEqual('3 people are viewing.');\n          expect(withOffset.getText()).toEqual('Igor, Misko and one other person are viewing.');\n\n          countInput.clear();\n          countInput.sendKeys('4');\n\n          expect(withoutOffset.getText()).toEqual('4 people are viewing.');\n          expect(withOffset.getText()).toEqual('Igor, Misko and 2 other people are viewing.');\n        });\n        it('should show data-bound names', function() {\n          var withOffset = element.all(by.css('ng-pluralize')).get(1);\n          var personCount = element(by.model('personCount'));\n          var person1 = element(by.model('person1'));\n          var person2 = element(by.model('person2'));\n          personCount.clear();\n          personCount.sendKeys('4');\n          person1.clear();\n          person1.sendKeys('Di');\n          person2.clear();\n          person2.sendKeys('Vojta');\n          expect(withOffset.getText()).toEqual('Di, Vojta and 2 other people are viewing.');\n        });\n      </file>\n    </example>\n */\nvar ngPluralizeDirective = ['$locale', '$interpolate', '$log', function($locale, $interpolate, $log) {\n  var BRACE = /{}/g,\n      IS_WHEN = /^when(Minus)?(.+)$/;\n\n  return {\n    link: function(scope, element, attr) {\n      var numberExp = attr.count,\n          whenExp = attr.$attr.when && element.attr(attr.$attr.when), // we have {{}} in attrs\n          offset = attr.offset || 0,\n          whens = scope.$eval(whenExp) || {},\n          whensExpFns = {},\n          startSymbol = $interpolate.startSymbol(),\n          endSymbol = $interpolate.endSymbol(),\n          braceReplacement = startSymbol + numberExp + '-' + offset + endSymbol,\n          watchRemover = angular.noop,\n          lastCount;\n\n      forEach(attr, function(expression, attributeName) {\n        var tmpMatch = IS_WHEN.exec(attributeName);\n        if (tmpMatch) {\n          var whenKey = (tmpMatch[1] ? '-' : '') + lowercase(tmpMatch[2]);\n          whens[whenKey] = element.attr(attr.$attr[attributeName]);\n        }\n      });\n      forEach(whens, function(expression, key) {\n        whensExpFns[key] = $interpolate(expression.replace(BRACE, braceReplacement));\n\n      });\n\n      scope.$watch(numberExp, function ngPluralizeWatchAction(newVal) {\n        var count = parseFloat(newVal);\n        var countIsNaN = isNumberNaN(count);\n\n        if (!countIsNaN && !(count in whens)) {\n          // If an explicit number rule such as 1, 2, 3... is defined, just use it.\n          // Otherwise, check it against pluralization rules in $locale service.\n          count = $locale.pluralCat(count - offset);\n        }\n\n        // If both `count` and `lastCount` are NaN, we don't need to re-register a watch.\n        // In JS `NaN !== NaN`, so we have to explicitly check.\n        if ((count !== lastCount) && !(countIsNaN && isNumberNaN(lastCount))) {\n          watchRemover();\n          var whenExpFn = whensExpFns[count];\n          if (isUndefined(whenExpFn)) {\n            if (newVal != null) {\n              $log.debug('ngPluralize: no rule defined for \\'' + count + '\\' in ' + whenExp);\n            }\n            watchRemover = noop;\n            updateElementText();\n          } else {\n            watchRemover = scope.$watch(whenExpFn, updateElementText);\n          }\n          lastCount = count;\n        }\n      });\n\n      function updateElementText(newText) {\n        element.text(newText || '');\n      }\n    }\n  };\n}];\n\n/**\n * @ngdoc directive\n * @name ngRef\n * @restrict A\n *\n * @description\n * The `ngRef` attribute tells AngularJS to assign the controller of a component (or a directive)\n * to the given property in the current scope. It is also possible to add the jqlite-wrapped DOM\n * element to the scope.\n *\n * If the element with `ngRef` is destroyed `null` is assigned to the property.\n *\n * Note that if you want to assign from a child into the parent scope, you must initialize the\n * target property on the parent scope, otherwise `ngRef` will assign on the child scope.\n * This commonly happens when assigning elements or components wrapped in {@link ngIf} or\n * {@link ngRepeat}. See the second example below.\n *\n *\n * @element ANY\n * @param {string} ngRef property name - A valid AngularJS expression identifier to which the\n *                       controller or jqlite-wrapped DOM element will be bound.\n * @param {string=} ngRefRead read value - The name of a directive (or component) on this element,\n *                            or the special string `$element`. If a name is provided, `ngRef` will\n *                            assign the matching controller. If `$element` is provided, the element\n *                            itself is assigned (even if a controller is available).\n *\n *\n * @example\n * ### Simple toggle\n * This example shows how the controller of the component toggle\n * is reused in the template through the scope to use its logic.\n * <example name=\"ng-ref-component\" module=\"myApp\">\n *   <file name=\"index.html\">\n *     <my-toggle ng-ref=\"myToggle\"></my-toggle>\n *     <button ng-click=\"myToggle.toggle()\">Toggle</button>\n *     <div ng-show=\"myToggle.isOpen()\">\n *       You are using a component in the same template to show it.\n *     </div>\n *   </file>\n *   <file name=\"index.js\">\n *     angular.module('myApp', [])\n *     .component('myToggle', {\n *       controller: function ToggleController() {\n *         var opened = false;\n *         this.isOpen = function() { return opened; };\n *         this.toggle = function() { opened = !opened; };\n *       }\n *     });\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n *      it('should publish the toggle into the scope', function() {\n *        var toggle = element(by.buttonText('Toggle'));\n *        expect(toggle.evaluate('myToggle.isOpen()')).toEqual(false);\n *        toggle.click();\n *        expect(toggle.evaluate('myToggle.isOpen()')).toEqual(true);\n *      });\n *   </file>\n * </example>\n *\n * @example\n * ### ngRef inside scopes\n * This example shows how `ngRef` works with child scopes. The `ngRepeat`-ed `myWrapper` components\n * are assigned to the scope of `myRoot`, because the `toggles` property has been initialized.\n * The repeated `myToggle` components are published to the child scopes created by `ngRepeat`.\n * `ngIf` behaves similarly - the assignment of `myToggle` happens in the `ngIf` child scope,\n * because the target property has not been initialized on the `myRoot` component controller.\n *\n * <example name=\"ng-ref-scopes\" module=\"myApp\">\n *   <file name=\"index.html\">\n *     <my-root></my-root>\n *   </file>\n *   <file name=\"index.js\">\n *     angular.module('myApp', [])\n *     .component('myRoot', {\n *       templateUrl: 'root.html',\n *       controller: function() {\n *         this.wrappers = []; // initialize the array so that the wrappers are assigned into the parent scope\n *       }\n *     })\n *     .component('myToggle', {\n *       template: '<strong>myToggle</strong><button ng-click=\"$ctrl.toggle()\" ng-transclude></button>',\n *       transclude: true,\n *       controller: function ToggleController() {\n *         var opened = false;\n *         this.isOpen = function() { return opened; };\n *         this.toggle = function() { opened = !opened; };\n *       }\n *     })\n *     .component('myWrapper', {\n *       transclude: true,\n *       template: '<strong>myWrapper</strong>' +\n *         '<div>ngRepeatToggle.isOpen(): {{$ctrl.ngRepeatToggle.isOpen() | json}}</div>' +\n *         '<my-toggle ng-ref=\"$ctrl.ngRepeatToggle\"><ng-transclude></ng-transclude></my-toggle>'\n *     });\n *   </file>\n *   <file name=\"root.html\">\n *     <strong>myRoot</strong>\n *     <my-toggle ng-ref=\"$ctrl.outerToggle\">Outer Toggle</my-toggle>\n *     <div>outerToggle.isOpen(): {{$ctrl.outerToggle.isOpen() | json}}</div>\n *     <div><em>wrappers assigned to root</em><br>\n *     <div ng-repeat=\"wrapper in $ctrl.wrappers\">\n *       wrapper.ngRepeatToggle.isOpen(): {{wrapper.ngRepeatToggle.isOpen() | json}}\n *     </div>\n *\n *     <ul>\n *       <li ng-repeat=\"(index, value) in [1,2,3]\">\n *         <strong>ngRepeat</strong>\n *         <div>outerToggle.isOpen(): {{$ctrl.outerToggle.isOpen() | json}}</div>\n *         <my-wrapper ng-ref=\"$ctrl.wrappers[index]\">ngRepeat Toggle {{$index + 1}}</my-wrapper>\n *       </li>\n *     </ul>\n *\n *     <div>ngIfToggle.isOpen(): {{ngIfToggle.isOpen()}} // This is always undefined because it's\n *       assigned to the child scope created by ngIf.\n *     </div>\n *     <div ng-if=\"true\">\n          <strong>ngIf</strong>\n *        <my-toggle ng-ref=\"ngIfToggle\">ngIf Toggle</my-toggle>\n *        <div>ngIfToggle.isOpen(): {{ngIfToggle.isOpen() | json}}</div>\n *        <div>outerToggle.isOpen(): {{$ctrl.outerToggle.isOpen() | json}}</div>\n *     </div>\n *   </file>\n *   <file name=\"styles.css\">\n *     ul {\n *       list-style: none;\n *       padding-left: 0;\n *     }\n *\n *     li[ng-repeat] {\n *       background: lightgreen;\n *       padding: 8px;\n *       margin: 8px;\n *     }\n *\n *     [ng-if] {\n *       background: lightgrey;\n *       padding: 8px;\n *     }\n *\n *     my-root {\n *       background: lightgoldenrodyellow;\n *       padding: 8px;\n *       display: block;\n *     }\n *\n *     my-wrapper {\n *       background: lightsalmon;\n *       padding: 8px;\n *       display: block;\n *     }\n *\n *     my-toggle {\n *       background: lightblue;\n *       padding: 8px;\n *       display: block;\n *     }\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n *      var OuterToggle = function() {\n *        this.toggle = function() {\n *          element(by.buttonText('Outer Toggle')).click();\n *        };\n *        this.isOpen = function() {\n *          return element.all(by.binding('outerToggle.isOpen()')).first().getText();\n *        };\n *      };\n *      var NgRepeatToggle = function(i) {\n *        var parent = element.all(by.repeater('(index, value) in [1,2,3]')).get(i - 1);\n *        this.toggle = function() {\n *          element(by.buttonText('ngRepeat Toggle ' + i)).click();\n *        };\n *        this.isOpen = function() {\n *          return parent.element(by.binding('ngRepeatToggle.isOpen() | json')).getText();\n *        };\n *        this.isOuterOpen = function() {\n *          return parent.element(by.binding('outerToggle.isOpen() | json')).getText();\n *        };\n *      };\n *      var NgRepeatToggles = function() {\n *        var toggles = [1,2,3].map(function(i) { return new NgRepeatToggle(i); });\n *        this.forEach = function(fn) {\n *          toggles.forEach(fn);\n *        };\n *        this.isOuterOpen = function(i) {\n *          return toggles[i - 1].isOuterOpen();\n *        };\n *      };\n *      var NgIfToggle = function() {\n *        var parent = element(by.css('[ng-if]'));\n *        this.toggle = function() {\n *          element(by.buttonText('ngIf Toggle')).click();\n *        };\n *        this.isOpen = function() {\n *          return by.binding('ngIfToggle.isOpen() | json').getText();\n *        };\n *        this.isOuterOpen = function() {\n *          return parent.element(by.binding('outerToggle.isOpen() | json')).getText();\n *        };\n *      };\n *\n *      it('should toggle the outer toggle', function() {\n *        var outerToggle = new OuterToggle();\n *        expect(outerToggle.isOpen()).toEqual('outerToggle.isOpen(): false');\n *        outerToggle.toggle();\n *        expect(outerToggle.isOpen()).toEqual('outerToggle.isOpen(): true');\n *      });\n *\n *      it('should toggle all outer toggles', function() {\n *        var outerToggle = new OuterToggle();\n *        var repeatToggles = new NgRepeatToggles();\n *        var ifToggle = new NgIfToggle();\n *        expect(outerToggle.isOpen()).toEqual('outerToggle.isOpen(): false');\n *        expect(repeatToggles.isOuterOpen(1)).toEqual('outerToggle.isOpen(): false');\n *        expect(repeatToggles.isOuterOpen(2)).toEqual('outerToggle.isOpen(): false');\n *        expect(repeatToggles.isOuterOpen(3)).toEqual('outerToggle.isOpen(): false');\n *        expect(ifToggle.isOuterOpen()).toEqual('outerToggle.isOpen(): false');\n *        outerToggle.toggle();\n *        expect(outerToggle.isOpen()).toEqual('outerToggle.isOpen(): true');\n *        expect(repeatToggles.isOuterOpen(1)).toEqual('outerToggle.isOpen(): true');\n *        expect(repeatToggles.isOuterOpen(2)).toEqual('outerToggle.isOpen(): true');\n *        expect(repeatToggles.isOuterOpen(3)).toEqual('outerToggle.isOpen(): true');\n *        expect(ifToggle.isOuterOpen()).toEqual('outerToggle.isOpen(): true');\n *      });\n *\n *      it('should toggle each repeat iteration separately', function() {\n *        var repeatToggles = new NgRepeatToggles();\n *\n *        repeatToggles.forEach(function(repeatToggle) {\n *          expect(repeatToggle.isOpen()).toEqual('ngRepeatToggle.isOpen(): false');\n *          expect(repeatToggle.isOuterOpen()).toEqual('outerToggle.isOpen(): false');\n *          repeatToggle.toggle();\n *          expect(repeatToggle.isOpen()).toEqual('ngRepeatToggle.isOpen(): true');\n *          expect(repeatToggle.isOuterOpen()).toEqual('outerToggle.isOpen(): false');\n *        });\n *      });\n *   </file>\n * </example>\n *\n */\n\nvar ngRefMinErr = minErr('ngRef');\n\nvar ngRefDirective = ['$parse', function($parse) {\n  return {\n    priority: -1, // Needed for compatibility with element transclusion on the same element\n    restrict: 'A',\n    compile: function(tElement, tAttrs) {\n      // Get the expected controller name, converts <data-some-thing> into \"someThing\"\n      var controllerName = directiveNormalize(nodeName_(tElement));\n\n      // Get the expression for value binding\n      var getter = $parse(tAttrs.ngRef);\n      var setter = getter.assign || function() {\n        throw ngRefMinErr('nonassign', 'Expression in ngRef=\"{0}\" is non-assignable!', tAttrs.ngRef);\n      };\n\n      return function(scope, element, attrs) {\n        var refValue;\n\n        if (attrs.hasOwnProperty('ngRefRead')) {\n          if (attrs.ngRefRead === '$element') {\n            refValue = element;\n          } else {\n            refValue = element.data('$' + attrs.ngRefRead + 'Controller');\n\n            if (!refValue) {\n              throw ngRefMinErr(\n                'noctrl',\n                'The controller for ngRefRead=\"{0}\" could not be found on ngRef=\"{1}\"',\n                attrs.ngRefRead,\n                tAttrs.ngRef\n              );\n            }\n          }\n        } else {\n          refValue = element.data('$' + controllerName + 'Controller');\n        }\n\n        refValue = refValue || element;\n\n        setter(scope, refValue);\n\n        // when the element is removed, remove it (nullify it)\n        element.on('$destroy', function() {\n          // only remove it if value has not changed,\n          // because animations (and other procedures) may duplicate elements\n          if (getter(scope) === refValue) {\n            setter(scope, null);\n          }\n        });\n      };\n    }\n  };\n}];\n\n/* exported ngRepeatDirective */\n\n/**\n * @ngdoc directive\n * @name ngRepeat\n * @multiElement\n * @restrict A\n *\n * @description\n * The `ngRepeat` directive instantiates a template once per item from a collection. Each template\n * instance gets its own scope, where the given loop variable is set to the current collection item,\n * and `$index` is set to the item index or key.\n *\n * Special properties are exposed on the local scope of each template instance, including:\n *\n * | Variable  | Type            | Details                                                                     |\n * |-----------|-----------------|-----------------------------------------------------------------------------|\n * | `$index`  | {@type number}  | iterator offset of the repeated element (0..length-1)                       |\n * | `$first`  | {@type boolean} | true if the repeated element is first in the iterator.                      |\n * | `$middle` | {@type boolean} | true if the repeated element is between the first and last in the iterator. |\n * | `$last`   | {@type boolean} | true if the repeated element is last in the iterator.                       |\n * | `$even`   | {@type boolean} | true if the iterator position `$index` is even (otherwise false).           |\n * | `$odd`    | {@type boolean} | true if the iterator position `$index` is odd (otherwise false).            |\n *\n * <div class=\"alert alert-info\">\n *   Creating aliases for these properties is possible with {@link ng.directive:ngInit `ngInit`}.\n *   This may be useful when, for instance, nesting ngRepeats.\n * </div>\n *\n *\n * ## Iterating over object properties\n *\n * It is possible to get `ngRepeat` to iterate over the properties of an object using the following\n * syntax:\n *\n * ```js\n * <div ng-repeat=\"(key, value) in myObj\"> ... </div>\n * ```\n *\n * However, there are a few limitations compared to array iteration:\n *\n * - The JavaScript specification does not define the order of keys\n *   returned for an object, so AngularJS relies on the order returned by the browser\n *   when running `for key in myObj`. Browsers generally follow the strategy of providing\n *   keys in the order in which they were defined, although there are exceptions when keys are deleted\n *   and reinstated. See the\n *   [MDN page on `delete` for more info](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/delete#Cross-browser_notes).\n *\n * - `ngRepeat` will silently *ignore* object keys starting with `$`, because\n *   it's a prefix used by AngularJS for public (`$`) and private (`$$`) properties.\n *\n * - The built-in filters {@link ng.orderBy orderBy} and {@link ng.filter filter} do not work with\n *   objects, and will throw an error if used with one.\n *\n * If you are hitting any of these limitations, the recommended workaround is to convert your object into an array\n * that is sorted into the order that you prefer before providing it to `ngRepeat`. You could\n * do this with a filter such as [toArrayFilter](http://ngmodules.org/modules/angular-toArrayFilter)\n * or implement a `$watch` on the object yourself.\n *\n *\n * ## Tracking and Duplicates\n *\n * `ngRepeat` uses {@link $rootScope.Scope#$watchCollection $watchCollection} to detect changes in\n * the collection. When a change happens, `ngRepeat` then makes the corresponding changes to the DOM:\n *\n * * When an item is added, a new instance of the template is added to the DOM.\n * * When an item is removed, its template instance is removed from the DOM.\n * * When items are reordered, their respective templates are reordered in the DOM.\n *\n * To minimize creation of DOM elements, `ngRepeat` uses a function\n * to \"keep track\" of all items in the collection and their corresponding DOM elements.\n * For example, if an item is added to the collection, `ngRepeat` will know that all other items\n * already have DOM elements, and will not re-render them.\n *\n * All different types of tracking functions, their syntax, and their support for duplicate\n * items in collections can be found in the\n * {@link ngRepeat#ngRepeat-arguments ngRepeat expression description}.\n *\n * <div class=\"alert alert-success\">\n * **Best Practice:** If you are working with objects that have a unique identifier property, you\n * should track by this identifier instead of the object instance,\n * e.g. `item in items track by item.id`.\n * Should you reload your data later, `ngRepeat` will not have to rebuild the DOM elements for items\n * it has already rendered, even if the JavaScript objects in the collection have been substituted\n * for new ones. For large collections, this significantly improves rendering performance.\n * </div>\n *\n * ### Effects of DOM Element re-use\n *\n * When DOM elements are re-used, ngRepeat updates the scope for the element, which will\n * automatically update any active bindings on the template. However, other\n * functionality will not be updated, because the element is not re-created:\n *\n * - Directives are not re-compiled\n * - {@link guide/expression#one-time-binding one-time expressions} on the repeated template are not\n * updated if they have stabilized.\n *\n * The above affects all kinds of element re-use due to tracking, but may be especially visible\n * when tracking by `$index` due to the way ngRepeat re-uses elements.\n *\n * The following example shows the effects of different actions with tracking:\n\n  <example module=\"ngRepeat\" name=\"ngRepeat-tracking\" deps=\"angular-animate.js\" animations=\"true\">\n    <file name=\"script.js\">\n      angular.module('ngRepeat', ['ngAnimate']).controller('repeatController', function($scope) {\n        var friends = [\n          {name:'John', age:25},\n          {name:'Mary', age:40},\n          {name:'Peter', age:85}\n        ];\n\n        $scope.removeFirst = function() {\n          $scope.friends.shift();\n        };\n\n        $scope.updateAge = function() {\n          $scope.friends.forEach(function(el) {\n            el.age = el.age + 5;\n          });\n        };\n\n        $scope.copy = function() {\n          $scope.friends = angular.copy($scope.friends);\n        };\n\n        $scope.reset = function() {\n          $scope.friends = angular.copy(friends);\n        };\n\n        $scope.reset();\n      });\n    </file>\n    <file name=\"index.html\">\n      <div ng-controller=\"repeatController\">\n        <ol>\n          <li>When you click \"Update Age\", only the first list updates the age, because all others have\n          a one-time binding on the age property. If you then click \"Copy\", the current friend list\n          is copied, and now the second list updates the age, because the identity of the collection items\n          has changed and the list must be re-rendered. The 3rd and 4th list stay the same, because all the\n          items are already known according to their tracking functions.\n          </li>\n          <li>When you click \"Remove First\", the 4th list has the wrong age on both remaining items. This is\n          due to tracking by $index: when the first collection item is removed, ngRepeat reuses the first\n          DOM element for the new first collection item, and so on. Since the age property is one-time\n          bound, the value remains from the collection item which was previously at this index.\n          </li>\n        </ol>\n\n        <button ng-click=\"removeFirst()\">Remove First</button>\n        <button ng-click=\"updateAge()\">Update Age</button>\n        <button ng-click=\"copy()\">Copy</button>\n        <br><button ng-click=\"reset()\">Reset List</button>\n        <br>\n        <code>track by $id(friend)</code> (default):\n        <ul class=\"example-animate-container\">\n          <li class=\"animate-repeat\" ng-repeat=\"friend in friends\">\n            {{friend.name}} is {{friend.age}} years old.\n          </li>\n        </ul>\n        <code>track by $id(friend)</code> (default), with age one-time binding:\n        <ul class=\"example-animate-container\">\n          <li class=\"animate-repeat\" ng-repeat=\"friend in friends\">\n            {{friend.name}} is {{::friend.age}} years old.\n          </li>\n        </ul>\n        <code>track by friend.name</code>, with age one-time binding:\n        <ul class=\"example-animate-container\">\n          <li class=\"animate-repeat\" ng-repeat=\"friend in friends track by friend.name\">\n            {{friend.name}}  is {{::friend.age}} years old.\n          </li>\n        </ul>\n        <code>track by $index</code>, with age one-time binding:\n        <ul class=\"example-animate-container\">\n          <li class=\"animate-repeat\" ng-repeat=\"friend in friends track by $index\">\n            {{friend.name}} is {{::friend.age}} years old.\n          </li>\n        </ul>\n      </div>\n    </file>\n    <file name=\"animations.css\">\n      .example-animate-container {\n        background:white;\n        border:1px solid black;\n        list-style:none;\n        margin:0;\n        padding:0 10px;\n      }\n\n      .animate-repeat {\n        line-height:30px;\n        list-style:none;\n        box-sizing:border-box;\n      }\n\n      .animate-repeat.ng-move,\n      .animate-repeat.ng-enter,\n      .animate-repeat.ng-leave {\n        transition:all linear 0.5s;\n      }\n\n      .animate-repeat.ng-leave.ng-leave-active,\n      .animate-repeat.ng-move,\n      .animate-repeat.ng-enter {\n        opacity:0;\n        max-height:0;\n      }\n\n      .animate-repeat.ng-leave,\n      .animate-repeat.ng-move.ng-move-active,\n      .animate-repeat.ng-enter.ng-enter-active {\n        opacity:1;\n        max-height:30px;\n      }\n    </file>\n  </example>\n\n *\n * ## Special repeat start and end points\n * To repeat a series of elements instead of just one parent element, ngRepeat (as well as other ng directives) supports extending\n * the range of the repeater by defining explicit start and end points by using **ng-repeat-start** and **ng-repeat-end** respectively.\n * The **ng-repeat-start** directive works the same as **ng-repeat**, but will repeat all the HTML code (including the tag it's defined on)\n * up to and including the ending HTML tag where **ng-repeat-end** is placed.\n *\n * The example below makes use of this feature:\n * ```html\n *   <header ng-repeat-start=\"item in items\">\n *     Header {{ item }}\n *   </header>\n *   <div class=\"body\">\n *     Body {{ item }}\n *   </div>\n *   <footer ng-repeat-end>\n *     Footer {{ item }}\n *   </footer>\n * ```\n *\n * And with an input of {@type ['A','B']} for the items variable in the example above, the output will evaluate to:\n * ```html\n *   <header>\n *     Header A\n *   </header>\n *   <div class=\"body\">\n *     Body A\n *   </div>\n *   <footer>\n *     Footer A\n *   </footer>\n *   <header>\n *     Header B\n *   </header>\n *   <div class=\"body\">\n *     Body B\n *   </div>\n *   <footer>\n *     Footer B\n *   </footer>\n * ```\n *\n * The custom start and end points for ngRepeat also support all other HTML directive syntax flavors provided in AngularJS (such\n * as **data-ng-repeat-start**, **x-ng-repeat-start** and **ng:repeat-start**).\n *\n * @animations\n * | Animation                        | Occurs                              |\n * |----------------------------------|-------------------------------------|\n * | {@link ng.$animate#enter enter} | when a new item is added to the list or when an item is revealed after a filter |\n * | {@link ng.$animate#leave leave} | when an item is removed from the list or when an item is filtered out |\n * | {@link ng.$animate#move move } | when an adjacent item is filtered out causing a reorder or when the item contents are reordered |\n *\n * See the example below for defining CSS animations with ngRepeat.\n *\n * @element ANY\n * @scope\n * @priority 1000\n * @param {repeat_expression} ngRepeat The expression indicating how to enumerate a collection. These\n *   formats are currently supported:\n *\n *   * `variable in expression` – where variable is the user defined loop variable and `expression`\n *     is a scope expression giving the collection to enumerate.\n *\n *     For example: `album in artist.albums`.\n *\n *   * `(key, value) in expression` – where `key` and `value` can be any user defined identifiers,\n *     and `expression` is the scope expression giving the collection to enumerate.\n *\n *     For example: `(name, age) in {'adam':10, 'amalie':12}`.\n *\n *   * `variable in expression track by tracking_expression` – You can also provide an optional tracking expression\n *     which can be used to associate the objects in the collection with the DOM elements. If no tracking expression\n *     is specified, ng-repeat associates elements by identity. It is an error to have\n *     more than one tracking expression value resolve to the same key. (This would mean that two distinct objects are\n *     mapped to the same DOM element, which is not possible.)\n *\n *     *Default tracking: $id()*: `item in items` is equivalent to `item in items track by $id(item)`.\n *     This implies that the DOM elements will be associated by item identity in the collection.\n *\n *     The built-in `$id()` function can be used to assign a unique\n *     `$$hashKey` property to each item in the collection. This property is then used as a key to associated DOM elements\n *     with the corresponding item in the collection by identity. Moving the same object would move\n *     the DOM element in the same way in the DOM.\n *     Note that the default id function does not support duplicate primitive values (`number`, `string`),\n *     but supports duplictae non-primitive values (`object`) that are *equal* in shape.\n *\n *     *Custom Expression*: It is possible to use any AngularJS expression to compute the tracking\n *     id, for example with a function, or using a property on the collection items.\n *     `item in items track by item.id` is a typical pattern when the items have a unique identifier,\n *     e.g. database id. In this case the object identity does not matter. Two objects are considered\n *     equivalent as long as their `id` property is same.\n *     Tracking by unique identifier is the most performant way and should be used whenever possible.\n *\n *     *$index*: This special property tracks the collection items by their index, and\n *     re-uses the DOM elements that match that index, e.g. `item in items track by $index`. This can\n *     be used for a performance improvement if no unique identfier is available and the identity of\n *     the collection items cannot be easily computed. It also allows duplicates.\n *\n *     <div class=\"alert alert-warning\">\n *       <strong>Note:</strong> Re-using DOM elements can have unforeseen effects. Read the\n *       {@link ngRepeat#tracking-and-duplicates section on tracking and duplicates} for\n *       more info.\n *     </div>\n *\n *     <div class=\"alert alert-warning\">\n *       <strong>Note:</strong> the `track by` expression must come last - after any filters, and the alias expression:\n *       `item in items | filter:searchText as results  track by item.id`\n *     </div>\n *\n *   * `variable in expression as alias_expression` – You can also provide an optional alias expression which will then store the\n *     intermediate results of the repeater after the filters have been applied. Typically this is used to render a special message\n *     when a filter is active on the repeater, but the filtered result set is empty.\n *\n *     For example: `item in items | filter:x as results` will store the fragment of the repeated items as `results`, but only after\n *     the items have been processed through the filter.\n *\n *     Please note that `as [variable name] is not an operator but rather a part of ngRepeat\n *     micro-syntax so it can be used only after all filters (and not as operator, inside an expression).\n *\n *     For example: `item in items | filter : x | orderBy : order | limitTo : limit as results track by item.id` .\n *\n * @example\n * This example uses `ngRepeat` to display a list of people. A filter is used to restrict the displayed\n * results by name or by age. New (entering) and removed (leaving) items are animated.\n  <example module=\"ngRepeat\" name=\"ngRepeat\" deps=\"angular-animate.js\" animations=\"true\">\n    <file name=\"index.html\">\n      <div ng-controller=\"repeatController\">\n        I have {{friends.length}} friends. They are:\n        <input type=\"search\" ng-model=\"q\" placeholder=\"filter friends...\" aria-label=\"filter friends\" />\n        <ul class=\"example-animate-container\">\n          <li class=\"animate-repeat\" ng-repeat=\"friend in friends | filter:q as results track by friend.name\">\n            [{{$index + 1}}] {{friend.name}} who is {{friend.age}} years old.\n          </li>\n          <li class=\"animate-repeat\" ng-if=\"results.length === 0\">\n            <strong>No results found...</strong>\n          </li>\n        </ul>\n      </div>\n    </file>\n    <file name=\"script.js\">\n      angular.module('ngRepeat', ['ngAnimate']).controller('repeatController', function($scope) {\n        $scope.friends = [\n          {name:'John', age:25, gender:'boy'},\n          {name:'Jessie', age:30, gender:'girl'},\n          {name:'Johanna', age:28, gender:'girl'},\n          {name:'Joy', age:15, gender:'girl'},\n          {name:'Mary', age:28, gender:'girl'},\n          {name:'Peter', age:95, gender:'boy'},\n          {name:'Sebastian', age:50, gender:'boy'},\n          {name:'Erika', age:27, gender:'girl'},\n          {name:'Patrick', age:40, gender:'boy'},\n          {name:'Samantha', age:60, gender:'girl'}\n        ];\n      });\n    </file>\n    <file name=\"animations.css\">\n      .example-animate-container {\n        background:white;\n        border:1px solid black;\n        list-style:none;\n        margin:0;\n        padding:0 10px;\n      }\n\n      .animate-repeat {\n        line-height:30px;\n        list-style:none;\n        box-sizing:border-box;\n      }\n\n      .animate-repeat.ng-move,\n      .animate-repeat.ng-enter,\n      .animate-repeat.ng-leave {\n        transition:all linear 0.5s;\n      }\n\n      .animate-repeat.ng-leave.ng-leave-active,\n      .animate-repeat.ng-move,\n      .animate-repeat.ng-enter {\n        opacity:0;\n        max-height:0;\n      }\n\n      .animate-repeat.ng-leave,\n      .animate-repeat.ng-move.ng-move-active,\n      .animate-repeat.ng-enter.ng-enter-active {\n        opacity:1;\n        max-height:30px;\n      }\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n      var friends = element.all(by.repeater('friend in friends'));\n\n      it('should render initial data set', function() {\n        expect(friends.count()).toBe(10);\n        expect(friends.get(0).getText()).toEqual('[1] John who is 25 years old.');\n        expect(friends.get(1).getText()).toEqual('[2] Jessie who is 30 years old.');\n        expect(friends.last().getText()).toEqual('[10] Samantha who is 60 years old.');\n        expect(element(by.binding('friends.length')).getText())\n            .toMatch(\"I have 10 friends. They are:\");\n      });\n\n       it('should update repeater when filter predicate changes', function() {\n         expect(friends.count()).toBe(10);\n\n         element(by.model('q')).sendKeys('ma');\n\n         expect(friends.count()).toBe(2);\n         expect(friends.get(0).getText()).toEqual('[1] Mary who is 28 years old.');\n         expect(friends.last().getText()).toEqual('[2] Samantha who is 60 years old.');\n       });\n      </file>\n    </example>\n */\nvar ngRepeatDirective = ['$parse', '$animate', '$compile', function($parse, $animate, $compile) {\n  var NG_REMOVED = '$$NG_REMOVED';\n  var ngRepeatMinErr = minErr('ngRepeat');\n\n  var updateScope = function(scope, index, valueIdentifier, value, keyIdentifier, key, arrayLength) {\n    // TODO(perf): generate setters to shave off ~40ms or 1-1.5%\n    scope[valueIdentifier] = value;\n    if (keyIdentifier) scope[keyIdentifier] = key;\n    scope.$index = index;\n    scope.$first = (index === 0);\n    scope.$last = (index === (arrayLength - 1));\n    scope.$middle = !(scope.$first || scope.$last);\n    // eslint-disable-next-line no-bitwise\n    scope.$odd = !(scope.$even = (index & 1) === 0);\n  };\n\n  var getBlockStart = function(block) {\n    return block.clone[0];\n  };\n\n  var getBlockEnd = function(block) {\n    return block.clone[block.clone.length - 1];\n  };\n\n  var trackByIdArrayFn = function($scope, key, value) {\n    return hashKey(value);\n  };\n\n  var trackByIdObjFn = function($scope, key) {\n    return key;\n  };\n\n  return {\n    restrict: 'A',\n    multiElement: true,\n    transclude: 'element',\n    priority: 1000,\n    terminal: true,\n    $$tlb: true,\n    compile: function ngRepeatCompile($element, $attr) {\n      var expression = $attr.ngRepeat;\n      var ngRepeatEndComment = $compile.$$createComment('end ngRepeat', expression);\n\n      var match = expression.match(/^\\s*([\\s\\S]+?)\\s+in\\s+([\\s\\S]+?)(?:\\s+as\\s+([\\s\\S]+?))?(?:\\s+track\\s+by\\s+([\\s\\S]+?))?\\s*$/);\n\n      if (!match) {\n        throw ngRepeatMinErr('iexp', 'Expected expression in form of \\'_item_ in _collection_[ track by _id_]\\' but got \\'{0}\\'.',\n            expression);\n      }\n\n      var lhs = match[1];\n      var rhs = match[2];\n      var aliasAs = match[3];\n      var trackByExp = match[4];\n\n      match = lhs.match(/^(?:(\\s*[$\\w]+)|\\(\\s*([$\\w]+)\\s*,\\s*([$\\w]+)\\s*\\))$/);\n\n      if (!match) {\n        throw ngRepeatMinErr('iidexp', '\\'_item_\\' in \\'_item_ in _collection_\\' should be an identifier or \\'(_key_, _value_)\\' expression, but got \\'{0}\\'.',\n            lhs);\n      }\n      var valueIdentifier = match[3] || match[1];\n      var keyIdentifier = match[2];\n\n      if (aliasAs && (!/^[$a-zA-Z_][$a-zA-Z0-9_]*$/.test(aliasAs) ||\n          /^(null|undefined|this|\\$index|\\$first|\\$middle|\\$last|\\$even|\\$odd|\\$parent|\\$root|\\$id)$/.test(aliasAs))) {\n        throw ngRepeatMinErr('badident', 'alias \\'{0}\\' is invalid --- must be a valid JS identifier which is not a reserved name.',\n          aliasAs);\n      }\n\n      var trackByIdExpFn;\n\n      if (trackByExp) {\n        var hashFnLocals = {$id: hashKey};\n        var trackByExpGetter = $parse(trackByExp);\n\n        trackByIdExpFn = function($scope, key, value, index) {\n          // assign key, value, and $index to the locals so that they can be used in hash functions\n          if (keyIdentifier) hashFnLocals[keyIdentifier] = key;\n          hashFnLocals[valueIdentifier] = value;\n          hashFnLocals.$index = index;\n          return trackByExpGetter($scope, hashFnLocals);\n        };\n      }\n\n      return function ngRepeatLink($scope, $element, $attr, ctrl, $transclude) {\n\n        // Store a list of elements from previous run. This is a hash where key is the item from the\n        // iterator, and the value is objects with following properties.\n        //   - scope: bound scope\n        //   - clone: previous element.\n        //   - index: position\n        //\n        // We are using no-proto object so that we don't need to guard against inherited props via\n        // hasOwnProperty.\n        var lastBlockMap = createMap();\n\n        //watch props\n        $scope.$watchCollection(rhs, function ngRepeatAction(collection) {\n          var index, length,\n              previousNode = $element[0],     // node that cloned nodes should be inserted after\n                                              // initialized to the comment node anchor\n              nextNode,\n              // Same as lastBlockMap but it has the current state. It will become the\n              // lastBlockMap on the next iteration.\n              nextBlockMap = createMap(),\n              collectionLength,\n              key, value, // key/value of iteration\n              trackById,\n              trackByIdFn,\n              collectionKeys,\n              block,       // last object information {scope, element, id}\n              nextBlockOrder,\n              elementsToRemove;\n\n          if (aliasAs) {\n            $scope[aliasAs] = collection;\n          }\n\n          if (isArrayLike(collection)) {\n            collectionKeys = collection;\n            trackByIdFn = trackByIdExpFn || trackByIdArrayFn;\n          } else {\n            trackByIdFn = trackByIdExpFn || trackByIdObjFn;\n            // if object, extract keys, in enumeration order, unsorted\n            collectionKeys = [];\n            for (var itemKey in collection) {\n              if (hasOwnProperty.call(collection, itemKey) && itemKey.charAt(0) !== '$') {\n                collectionKeys.push(itemKey);\n              }\n            }\n          }\n\n          collectionLength = collectionKeys.length;\n          nextBlockOrder = new Array(collectionLength);\n\n          // locate existing items\n          for (index = 0; index < collectionLength; index++) {\n            key = (collection === collectionKeys) ? index : collectionKeys[index];\n            value = collection[key];\n            trackById = trackByIdFn($scope, key, value, index);\n            if (lastBlockMap[trackById]) {\n              // found previously seen block\n              block = lastBlockMap[trackById];\n              delete lastBlockMap[trackById];\n              nextBlockMap[trackById] = block;\n              nextBlockOrder[index] = block;\n            } else if (nextBlockMap[trackById]) {\n              // if collision detected. restore lastBlockMap and throw an error\n              forEach(nextBlockOrder, function(block) {\n                if (block && block.scope) lastBlockMap[block.id] = block;\n              });\n              throw ngRepeatMinErr('dupes',\n                  'Duplicates in a repeater are not allowed. Use \\'track by\\' expression to specify unique keys. Repeater: {0}, Duplicate key: {1}, Duplicate value: {2}',\n                  expression, trackById, value);\n            } else {\n              // new never before seen block\n              nextBlockOrder[index] = {id: trackById, scope: undefined, clone: undefined};\n              nextBlockMap[trackById] = true;\n            }\n          }\n\n          // Clear the value property from the hashFnLocals object to prevent a reference to the last value\n          // being leaked into the ngRepeatCompile function scope\n          if (hashFnLocals) {\n            hashFnLocals[valueIdentifier] = undefined;\n          }\n\n          // remove leftover items\n          for (var blockKey in lastBlockMap) {\n            block = lastBlockMap[blockKey];\n            elementsToRemove = getBlockNodes(block.clone);\n            $animate.leave(elementsToRemove);\n            if (elementsToRemove[0].parentNode) {\n              // if the element was not removed yet because of pending animation, mark it as deleted\n              // so that we can ignore it later\n              for (index = 0, length = elementsToRemove.length; index < length; index++) {\n                elementsToRemove[index][NG_REMOVED] = true;\n              }\n            }\n            block.scope.$destroy();\n          }\n\n          // we are not using forEach for perf reasons (trying to avoid #call)\n          for (index = 0; index < collectionLength; index++) {\n            key = (collection === collectionKeys) ? index : collectionKeys[index];\n            value = collection[key];\n            block = nextBlockOrder[index];\n\n            if (block.scope) {\n              // if we have already seen this object, then we need to reuse the\n              // associated scope/element\n\n              nextNode = previousNode;\n\n              // skip nodes that are already pending removal via leave animation\n              do {\n                nextNode = nextNode.nextSibling;\n              } while (nextNode && nextNode[NG_REMOVED]);\n\n              if (getBlockStart(block) !== nextNode) {\n                // existing item which got moved\n                $animate.move(getBlockNodes(block.clone), null, previousNode);\n              }\n              previousNode = getBlockEnd(block);\n              updateScope(block.scope, index, valueIdentifier, value, keyIdentifier, key, collectionLength);\n            } else {\n              // new item which we don't know about\n              $transclude(function ngRepeatTransclude(clone, scope) {\n                block.scope = scope;\n                // http://jsperf.com/clone-vs-createcomment\n                var endNode = ngRepeatEndComment.cloneNode(false);\n                clone[clone.length++] = endNode;\n\n                $animate.enter(clone, null, previousNode);\n                previousNode = endNode;\n                // Note: We only need the first/last node of the cloned nodes.\n                // However, we need to keep the reference to the jqlite wrapper as it might be changed later\n                // by a directive with templateUrl when its template arrives.\n                block.clone = clone;\n                nextBlockMap[block.id] = block;\n                updateScope(block.scope, index, valueIdentifier, value, keyIdentifier, key, collectionLength);\n              });\n            }\n          }\n          lastBlockMap = nextBlockMap;\n        });\n      };\n    }\n  };\n}];\n\nvar NG_HIDE_CLASS = 'ng-hide';\nvar NG_HIDE_IN_PROGRESS_CLASS = 'ng-hide-animate';\n/**\n * @ngdoc directive\n * @name ngShow\n * @multiElement\n *\n * @description\n * The `ngShow` directive shows or hides the given HTML element based on the expression provided to\n * the `ngShow` attribute.\n *\n * The element is shown or hidden by removing or adding the `.ng-hide` CSS class onto the element.\n * The `.ng-hide` CSS class is predefined in AngularJS and sets the display style to none (using an\n * `!important` flag). For CSP mode please add `angular-csp.css` to your HTML file (see\n * {@link ng.directive:ngCsp ngCsp}).\n *\n * ```html\n * <!-- when $scope.myValue is truthy (element is visible) -->\n * <div ng-show=\"myValue\"></div>\n *\n * <!-- when $scope.myValue is falsy (element is hidden) -->\n * <div ng-show=\"myValue\" class=\"ng-hide\"></div>\n * ```\n *\n * When the `ngShow` expression evaluates to a falsy value then the `.ng-hide` CSS class is added\n * to the class attribute on the element causing it to become hidden. When truthy, the `.ng-hide`\n * CSS class is removed from the element causing the element not to appear hidden.\n *\n * ## Why is `!important` used?\n *\n * You may be wondering why `!important` is used for the `.ng-hide` CSS class. This is because the\n * `.ng-hide` selector can be easily overridden by heavier selectors. For example, something as\n * simple as changing the display style on a HTML list item would make hidden elements appear\n * visible. This also becomes a bigger issue when dealing with CSS frameworks.\n *\n * By using `!important`, the show and hide behavior will work as expected despite any clash between\n * CSS selector specificity (when `!important` isn't used with any conflicting styles). If a\n * developer chooses to override the styling to change how to hide an element then it is just a\n * matter of using `!important` in their own CSS code.\n *\n * ### Overriding `.ng-hide`\n *\n * By default, the `.ng-hide` class will style the element with `display: none !important`. If you\n * wish to change the hide behavior with `ngShow`/`ngHide`, you can simply overwrite the styles for\n * the `.ng-hide` CSS class. Note that the selector that needs to be used is actually\n * `.ng-hide:not(.ng-hide-animate)` to cope with extra animation classes that can be added.\n *\n * ```css\n * .ng-hide:not(.ng-hide-animate) {\n *   /&#42; These are just alternative ways of hiding an element &#42;/\n *   display: block!important;\n *   position: absolute;\n *   top: -9999px;\n *   left: -9999px;\n * }\n * ```\n *\n * By default you don't need to override anything in CSS and the animations will work around the\n * display style.\n *\n * @animations\n * | Animation                                           | Occurs                                                                                                        |\n * |-----------------------------------------------------|---------------------------------------------------------------------------------------------------------------|\n * | {@link $animate#addClass addClass} `.ng-hide`       | After the `ngShow` expression evaluates to a non truthy value and just before the contents are set to hidden. |\n * | {@link $animate#removeClass removeClass} `.ng-hide` | After the `ngShow` expression evaluates to a truthy value and just before contents are set to visible.        |\n *\n * Animations in `ngShow`/`ngHide` work with the show and hide events that are triggered when the\n * directive expression is true and false. This system works like the animation system present with\n * `ngClass` except that you must also include the `!important` flag to override the display\n * property so that the elements are not actually hidden during the animation.\n *\n * ```css\n * /&#42; A working example can be found at the bottom of this page. &#42;/\n * .my-element.ng-hide-add, .my-element.ng-hide-remove {\n *   transition: all 0.5s linear;\n * }\n *\n * .my-element.ng-hide-add { ... }\n * .my-element.ng-hide-add.ng-hide-add-active { ... }\n * .my-element.ng-hide-remove { ... }\n * .my-element.ng-hide-remove.ng-hide-remove-active { ... }\n * ```\n *\n * Keep in mind that, as of AngularJS version 1.3, there is no need to change the display property\n * to block during animation states - ngAnimate will automatically handle the style toggling for you.\n *\n * @element ANY\n * @param {expression} ngShow If the {@link guide/expression expression} is truthy/falsy then the\n *                            element is shown/hidden respectively.\n *\n * @example\n * A simple example, animating the element's opacity:\n *\n  <example module=\"ngAnimate\" deps=\"angular-animate.js\" animations=\"true\" name=\"ng-show-simple\">\n    <file name=\"index.html\">\n      Show: <input type=\"checkbox\" ng-model=\"checked\" aria-label=\"Toggle ngShow\"><br />\n      <div class=\"check-element animate-show-hide\" ng-show=\"checked\">\n        I show up when your checkbox is checked.\n      </div>\n    </file>\n    <file name=\"animations.css\">\n      .animate-show-hide.ng-hide {\n        opacity: 0;\n      }\n\n      .animate-show-hide.ng-hide-add,\n      .animate-show-hide.ng-hide-remove {\n        transition: all linear 0.5s;\n      }\n\n      .check-element {\n        border: 1px solid black;\n        opacity: 1;\n        padding: 10px;\n      }\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n      it('should check ngShow', function() {\n        var checkbox = element(by.model('checked'));\n        var checkElem = element(by.css('.check-element'));\n\n        expect(checkElem.isDisplayed()).toBe(false);\n        checkbox.click();\n        expect(checkElem.isDisplayed()).toBe(true);\n      });\n    </file>\n  </example>\n *\n * <hr />\n * @example\n * A more complex example, featuring different show/hide animations:\n *\n  <example module=\"ngAnimate\" deps=\"angular-animate.js\" animations=\"true\" name=\"ng-show-complex\">\n    <file name=\"index.html\">\n      Show: <input type=\"checkbox\" ng-model=\"checked\" aria-label=\"Toggle ngShow\"><br />\n      <div class=\"check-element funky-show-hide\" ng-show=\"checked\">\n        I show up when your checkbox is checked.\n      </div>\n    </file>\n    <file name=\"animations.css\">\n      body {\n        overflow: hidden;\n        perspective: 1000px;\n      }\n\n      .funky-show-hide.ng-hide-add {\n        transform: rotateZ(0);\n        transform-origin: right;\n        transition: all 0.5s ease-in-out;\n      }\n\n      .funky-show-hide.ng-hide-add.ng-hide-add-active {\n        transform: rotateZ(-135deg);\n      }\n\n      .funky-show-hide.ng-hide-remove {\n        transform: rotateY(90deg);\n        transform-origin: left;\n        transition: all 0.5s ease;\n      }\n\n      .funky-show-hide.ng-hide-remove.ng-hide-remove-active {\n        transform: rotateY(0);\n      }\n\n      .check-element {\n        border: 1px solid black;\n        opacity: 1;\n        padding: 10px;\n      }\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n      it('should check ngShow', function() {\n        var checkbox = element(by.model('checked'));\n        var checkElem = element(by.css('.check-element'));\n\n        expect(checkElem.isDisplayed()).toBe(false);\n        checkbox.click();\n        expect(checkElem.isDisplayed()).toBe(true);\n      });\n    </file>\n  </example>\n *\n * @knownIssue\n *\n * ### Flickering when using ngShow to toggle between elements\n *\n * When using {@link ngShow} and / or {@link ngHide} to toggle between elements, it can\n * happen that both the element to show and the element to hide are visible for a very short time.\n *\n * This usually happens when the {@link ngAnimate ngAnimate module} is included, but no actual animations\n * are defined for {@link ngShow} / {@link ngHide}. Internet Explorer is affected more often than\n * other browsers.\n *\n * There are several way to mitigate this problem:\n *\n * - {@link guide/animations#how-to-selectively-enable-disable-and-skip-animations Disable animations on the affected elements}.\n * - Use {@link ngIf} or {@link ngSwitch} instead of {@link ngShow} / {@link ngHide}.\n * - Use the special CSS selector `ng-hide.ng-hide-animate` to set `{display: none}` or similar on the affected elements.\n * - Use `ng-class=\"{'ng-hide': expression}` instead of instead of {@link ngShow} / {@link ngHide}.\n * - Define an animation on the affected elements.\n */\nvar ngShowDirective = ['$animate', function($animate) {\n  return {\n    restrict: 'A',\n    multiElement: true,\n    link: function(scope, element, attr) {\n      scope.$watch(attr.ngShow, function ngShowWatchAction(value) {\n        // we're adding a temporary, animation-specific class for ng-hide since this way\n        // we can control when the element is actually displayed on screen without having\n        // to have a global/greedy CSS selector that breaks when other animations are run.\n        // Read: https://github.com/angular/angular.js/issues/9103#issuecomment-58335845\n        $animate[value ? 'removeClass' : 'addClass'](element, NG_HIDE_CLASS, {\n          tempClasses: NG_HIDE_IN_PROGRESS_CLASS\n        });\n      });\n    }\n  };\n}];\n\n\n/**\n * @ngdoc directive\n * @name ngHide\n * @multiElement\n *\n * @description\n * The `ngHide` directive shows or hides the given HTML element based on the expression provided to\n * the `ngHide` attribute.\n *\n * The element is shown or hidden by removing or adding the `.ng-hide` CSS class onto the element.\n * The `.ng-hide` CSS class is predefined in AngularJS and sets the display style to none (using an\n * `!important` flag). For CSP mode please add `angular-csp.css` to your HTML file (see\n * {@link ng.directive:ngCsp ngCsp}).\n *\n * ```html\n * <!-- when $scope.myValue is truthy (element is hidden) -->\n * <div ng-hide=\"myValue\" class=\"ng-hide\"></div>\n *\n * <!-- when $scope.myValue is falsy (element is visible) -->\n * <div ng-hide=\"myValue\"></div>\n * ```\n *\n * When the `ngHide` expression evaluates to a truthy value then the `.ng-hide` CSS class is added\n * to the class attribute on the element causing it to become hidden. When falsy, the `.ng-hide`\n * CSS class is removed from the element causing the element not to appear hidden.\n *\n * ## Why is `!important` used?\n *\n * You may be wondering why `!important` is used for the `.ng-hide` CSS class. This is because the\n * `.ng-hide` selector can be easily overridden by heavier selectors. For example, something as\n * simple as changing the display style on a HTML list item would make hidden elements appear\n * visible. This also becomes a bigger issue when dealing with CSS frameworks.\n *\n * By using `!important`, the show and hide behavior will work as expected despite any clash between\n * CSS selector specificity (when `!important` isn't used with any conflicting styles). If a\n * developer chooses to override the styling to change how to hide an element then it is just a\n * matter of using `!important` in their own CSS code.\n *\n * ### Overriding `.ng-hide`\n *\n * By default, the `.ng-hide` class will style the element with `display: none !important`. If you\n * wish to change the hide behavior with `ngShow`/`ngHide`, you can simply overwrite the styles for\n * the `.ng-hide` CSS class. Note that the selector that needs to be used is actually\n * `.ng-hide:not(.ng-hide-animate)` to cope with extra animation classes that can be added.\n *\n * ```css\n * .ng-hide:not(.ng-hide-animate) {\n *   /&#42; These are just alternative ways of hiding an element &#42;/\n *   display: block!important;\n *   position: absolute;\n *   top: -9999px;\n *   left: -9999px;\n * }\n * ```\n *\n * By default you don't need to override in CSS anything and the animations will work around the\n * display style.\n *\n * @animations\n * | Animation                                           | Occurs                                                                                                     |\n * |-----------------------------------------------------|------------------------------------------------------------------------------------------------------------|\n * | {@link $animate#addClass addClass} `.ng-hide`       | After the `ngHide` expression evaluates to a truthy value and just before the contents are set to hidden.  |\n * | {@link $animate#removeClass removeClass} `.ng-hide` | After the `ngHide` expression evaluates to a non truthy value and just before contents are set to visible. |\n *\n * Animations in `ngShow`/`ngHide` work with the show and hide events that are triggered when the\n * directive expression is true and false. This system works like the animation system present with\n * `ngClass` except that you must also include the `!important` flag to override the display\n * property so that the elements are not actually hidden during the animation.\n *\n * ```css\n * /&#42; A working example can be found at the bottom of this page. &#42;/\n * .my-element.ng-hide-add, .my-element.ng-hide-remove {\n *   transition: all 0.5s linear;\n * }\n *\n * .my-element.ng-hide-add { ... }\n * .my-element.ng-hide-add.ng-hide-add-active { ... }\n * .my-element.ng-hide-remove { ... }\n * .my-element.ng-hide-remove.ng-hide-remove-active { ... }\n * ```\n *\n * Keep in mind that, as of AngularJS version 1.3, there is no need to change the display property\n * to block during animation states - ngAnimate will automatically handle the style toggling for you.\n *\n * @element ANY\n * @param {expression} ngHide If the {@link guide/expression expression} is truthy/falsy then the\n *                            element is hidden/shown respectively.\n *\n * @example\n * A simple example, animating the element's opacity:\n *\n  <example module=\"ngAnimate\" deps=\"angular-animate.js\" animations=\"true\" name=\"ng-hide-simple\">\n    <file name=\"index.html\">\n      Hide: <input type=\"checkbox\" ng-model=\"checked\" aria-label=\"Toggle ngHide\"><br />\n      <div class=\"check-element animate-show-hide\" ng-hide=\"checked\">\n        I hide when your checkbox is checked.\n      </div>\n    </file>\n    <file name=\"animations.css\">\n      .animate-show-hide.ng-hide {\n        opacity: 0;\n      }\n\n      .animate-show-hide.ng-hide-add,\n      .animate-show-hide.ng-hide-remove {\n        transition: all linear 0.5s;\n      }\n\n      .check-element {\n        border: 1px solid black;\n        opacity: 1;\n        padding: 10px;\n      }\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n      it('should check ngHide', function() {\n        var checkbox = element(by.model('checked'));\n        var checkElem = element(by.css('.check-element'));\n\n        expect(checkElem.isDisplayed()).toBe(true);\n        checkbox.click();\n        expect(checkElem.isDisplayed()).toBe(false);\n      });\n    </file>\n  </example>\n *\n * <hr />\n * @example\n * A more complex example, featuring different show/hide animations:\n *\n  <example module=\"ngAnimate\" deps=\"angular-animate.js\" animations=\"true\" name=\"ng-hide-complex\">\n    <file name=\"index.html\">\n      Hide: <input type=\"checkbox\" ng-model=\"checked\" aria-label=\"Toggle ngHide\"><br />\n      <div class=\"check-element funky-show-hide\" ng-hide=\"checked\">\n        I hide when your checkbox is checked.\n      </div>\n    </file>\n    <file name=\"animations.css\">\n      body {\n        overflow: hidden;\n        perspective: 1000px;\n      }\n\n      .funky-show-hide.ng-hide-add {\n        transform: rotateZ(0);\n        transform-origin: right;\n        transition: all 0.5s ease-in-out;\n      }\n\n      .funky-show-hide.ng-hide-add.ng-hide-add-active {\n        transform: rotateZ(-135deg);\n      }\n\n      .funky-show-hide.ng-hide-remove {\n        transform: rotateY(90deg);\n        transform-origin: left;\n        transition: all 0.5s ease;\n      }\n\n      .funky-show-hide.ng-hide-remove.ng-hide-remove-active {\n        transform: rotateY(0);\n      }\n\n      .check-element {\n        border: 1px solid black;\n        opacity: 1;\n        padding: 10px;\n      }\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n      it('should check ngHide', function() {\n        var checkbox = element(by.model('checked'));\n        var checkElem = element(by.css('.check-element'));\n\n        expect(checkElem.isDisplayed()).toBe(true);\n        checkbox.click();\n        expect(checkElem.isDisplayed()).toBe(false);\n      });\n    </file>\n  </example>\n *\n * @knownIssue\n *\n * ### Flickering when using ngHide to toggle between elements\n *\n * When using {@link ngShow} and / or {@link ngHide} to toggle between elements, it can\n * happen that both the element to show and the element to hide are visible for a very short time.\n *\n * This usually happens when the {@link ngAnimate ngAnimate module} is included, but no actual animations\n * are defined for {@link ngShow} / {@link ngHide}. Internet Explorer is affected more often than\n * other browsers.\n *\n * There are several way to mitigate this problem:\n *\n * - {@link guide/animations#how-to-selectively-enable-disable-and-skip-animations Disable animations on the affected elements}.\n * - Use {@link ngIf} or {@link ngSwitch} instead of {@link ngShow} / {@link ngHide}.\n * - Use the special CSS selector `ng-hide.ng-hide-animate` to set `{display: none}` or similar on the affected elements.\n * - Use `ng-class=\"{'ng-hide': expression}` instead of instead of {@link ngShow} / {@link ngHide}.\n * - Define an animation on the affected elements.\n */\nvar ngHideDirective = ['$animate', function($animate) {\n  return {\n    restrict: 'A',\n    multiElement: true,\n    link: function(scope, element, attr) {\n      scope.$watch(attr.ngHide, function ngHideWatchAction(value) {\n        // The comment inside of the ngShowDirective explains why we add and\n        // remove a temporary class for the show/hide animation\n        $animate[value ? 'addClass' : 'removeClass'](element,NG_HIDE_CLASS, {\n          tempClasses: NG_HIDE_IN_PROGRESS_CLASS\n        });\n      });\n    }\n  };\n}];\n\n/**\n * @ngdoc directive\n * @name ngStyle\n * @restrict AC\n *\n * @description\n * The `ngStyle` directive allows you to set CSS style on an HTML element conditionally.\n *\n * @knownIssue\n * You should not use {@link guide/interpolation interpolation} in the value of the `style`\n * attribute, when using the `ngStyle` directive on the same element.\n * See {@link guide/interpolation#known-issues here} for more info.\n *\n * @element ANY\n * @param {expression} ngStyle\n *\n * {@link guide/expression Expression} which evals to an\n * object whose keys are CSS style names and values are corresponding values for those CSS\n * keys.\n *\n * Since some CSS style names are not valid keys for an object, they must be quoted.\n * See the 'background-color' style in the example below.\n *\n * @example\n   <example name=\"ng-style\">\n     <file name=\"index.html\">\n        <input type=\"button\" value=\"set color\" ng-click=\"myStyle={color:'red'}\">\n        <input type=\"button\" value=\"set background\" ng-click=\"myStyle={'background-color':'blue'}\">\n        <input type=\"button\" value=\"clear\" ng-click=\"myStyle={}\">\n        <br/>\n        <span ng-style=\"myStyle\">Sample Text</span>\n        <pre>myStyle={{myStyle}}</pre>\n     </file>\n     <file name=\"style.css\">\n       span {\n         color: black;\n       }\n     </file>\n     <file name=\"protractor.js\" type=\"protractor\">\n       var colorSpan = element(by.css('span'));\n\n       it('should check ng-style', function() {\n         expect(colorSpan.getCssValue('color')).toBe('rgba(0, 0, 0, 1)');\n         element(by.css('input[value=\\'set color\\']')).click();\n         expect(colorSpan.getCssValue('color')).toBe('rgba(255, 0, 0, 1)');\n         element(by.css('input[value=clear]')).click();\n         expect(colorSpan.getCssValue('color')).toBe('rgba(0, 0, 0, 1)');\n       });\n     </file>\n   </example>\n */\nvar ngStyleDirective = ngDirective(function(scope, element, attr) {\n  scope.$watchCollection(attr.ngStyle, function ngStyleWatchAction(newStyles, oldStyles) {\n    if (oldStyles && (newStyles !== oldStyles)) {\n      forEach(oldStyles, function(val, style) { element.css(style, ''); });\n    }\n    if (newStyles) element.css(newStyles);\n  });\n});\n\n/**\n * @ngdoc directive\n * @name ngSwitch\n * @restrict EA\n *\n * @description\n * The `ngSwitch` directive is used to conditionally swap DOM structure on your template based on a scope expression.\n * Elements within `ngSwitch` but without `ngSwitchWhen` or `ngSwitchDefault` directives will be preserved at the location\n * as specified in the template.\n *\n * The directive itself works similar to ngInclude, however, instead of downloading template code (or loading it\n * from the template cache), `ngSwitch` simply chooses one of the nested elements and makes it visible based on which element\n * matches the value obtained from the evaluated expression. In other words, you define a container element\n * (where you place the directive), place an expression on the **`on=\"...\"` attribute**\n * (or the **`ng-switch=\"...\"` attribute**), define any inner elements inside of the directive and place\n * a when attribute per element. The when attribute is used to inform ngSwitch which element to display when the on\n * expression is evaluated. If a matching expression is not found via a when attribute then an element with the default\n * attribute is displayed.\n *\n * <div class=\"alert alert-info\">\n * Be aware that the attribute values to match against cannot be expressions. They are interpreted\n * as literal string values to match against.\n * For example, **`ng-switch-when=\"someVal\"`** will match against the string `\"someVal\"` not against the\n * value of the expression `$scope.someVal`.\n * </div>\n\n * @animations\n * | Animation                        | Occurs                              |\n * |----------------------------------|-------------------------------------|\n * | {@link ng.$animate#enter enter}  | after the ngSwitch contents change and the matched child element is placed inside the container |\n * | {@link ng.$animate#leave leave}  | after the ngSwitch contents change and just before the former contents are removed from the DOM |\n *\n * @usage\n *\n * ```\n * <ANY ng-switch=\"expression\">\n *   <ANY ng-switch-when=\"matchValue1\">...</ANY>\n *   <ANY ng-switch-when=\"matchValue2\">...</ANY>\n *   <ANY ng-switch-default>...</ANY>\n * </ANY>\n * ```\n *\n *\n * @scope\n * @priority 1200\n * @param {*} ngSwitch|on expression to match against <code>ng-switch-when</code>.\n * On child elements add:\n *\n * * `ngSwitchWhen`: the case statement to match against. If match then this\n *   case will be displayed. If the same match appears multiple times, all the\n *   elements will be displayed. It is possible to associate multiple values to\n *   the same `ngSwitchWhen` by defining the optional attribute\n *   `ngSwitchWhenSeparator`. The separator will be used to split the value of\n *   the `ngSwitchWhen` attribute into multiple tokens, and the element will show\n *   if any of the `ngSwitch` evaluates to any of these tokens.\n * * `ngSwitchDefault`: the default case when no other case match. If there\n *   are multiple default cases, all of them will be displayed when no other\n *   case match.\n *\n *\n * @example\n  <example module=\"switchExample\" deps=\"angular-animate.js\" animations=\"true\" name=\"ng-switch\">\n    <file name=\"index.html\">\n      <div ng-controller=\"ExampleController\">\n        <select ng-model=\"selection\" ng-options=\"item for item in items\">\n        </select>\n        <code>selection={{selection}}</code>\n        <hr/>\n        <div class=\"animate-switch-container\"\n          ng-switch on=\"selection\">\n            <div class=\"animate-switch\" ng-switch-when=\"settings|options\" ng-switch-when-separator=\"|\">Settings Div</div>\n            <div class=\"animate-switch\" ng-switch-when=\"home\">Home Span</div>\n            <div class=\"animate-switch\" ng-switch-default>default</div>\n        </div>\n      </div>\n    </file>\n    <file name=\"script.js\">\n      angular.module('switchExample', ['ngAnimate'])\n        .controller('ExampleController', ['$scope', function($scope) {\n          $scope.items = ['settings', 'home', 'options', 'other'];\n          $scope.selection = $scope.items[0];\n        }]);\n    </file>\n    <file name=\"animations.css\">\n      .animate-switch-container {\n        position:relative;\n        background:white;\n        border:1px solid black;\n        height:40px;\n        overflow:hidden;\n      }\n\n      .animate-switch {\n        padding:10px;\n      }\n\n      .animate-switch.ng-animate {\n        transition:all cubic-bezier(0.250, 0.460, 0.450, 0.940) 0.5s;\n\n        position:absolute;\n        top:0;\n        left:0;\n        right:0;\n        bottom:0;\n      }\n\n      .animate-switch.ng-leave.ng-leave-active,\n      .animate-switch.ng-enter {\n        top:-50px;\n      }\n      .animate-switch.ng-leave,\n      .animate-switch.ng-enter.ng-enter-active {\n        top:0;\n      }\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n      var switchElem = element(by.css('[ng-switch]'));\n      var select = element(by.model('selection'));\n\n      it('should start in settings', function() {\n        expect(switchElem.getText()).toMatch(/Settings Div/);\n      });\n      it('should change to home', function() {\n        select.all(by.css('option')).get(1).click();\n        expect(switchElem.getText()).toMatch(/Home Span/);\n      });\n      it('should change to settings via \"options\"', function() {\n        select.all(by.css('option')).get(2).click();\n        expect(switchElem.getText()).toMatch(/Settings Div/);\n      });\n      it('should select default', function() {\n        select.all(by.css('option')).get(3).click();\n        expect(switchElem.getText()).toMatch(/default/);\n      });\n    </file>\n  </example>\n */\nvar ngSwitchDirective = ['$animate', '$compile', function($animate, $compile) {\n  return {\n    require: 'ngSwitch',\n\n    // asks for $scope to fool the BC controller module\n    controller: ['$scope', function NgSwitchController() {\n     this.cases = {};\n    }],\n    link: function(scope, element, attr, ngSwitchController) {\n      var watchExpr = attr.ngSwitch || attr.on,\n          selectedTranscludes = [],\n          selectedElements = [],\n          previousLeaveAnimations = [],\n          selectedScopes = [];\n\n      var spliceFactory = function(array, index) {\n          return function(response) {\n            if (response !== false) array.splice(index, 1);\n          };\n      };\n\n      scope.$watch(watchExpr, function ngSwitchWatchAction(value) {\n        var i, ii;\n\n        // Start with the last, in case the array is modified during the loop\n        while (previousLeaveAnimations.length) {\n          $animate.cancel(previousLeaveAnimations.pop());\n        }\n\n        for (i = 0, ii = selectedScopes.length; i < ii; ++i) {\n          var selected = getBlockNodes(selectedElements[i].clone);\n          selectedScopes[i].$destroy();\n          var runner = previousLeaveAnimations[i] = $animate.leave(selected);\n          runner.done(spliceFactory(previousLeaveAnimations, i));\n        }\n\n        selectedElements.length = 0;\n        selectedScopes.length = 0;\n\n        if ((selectedTranscludes = ngSwitchController.cases['!' + value] || ngSwitchController.cases['?'])) {\n          forEach(selectedTranscludes, function(selectedTransclude) {\n            selectedTransclude.transclude(function(caseElement, selectedScope) {\n              selectedScopes.push(selectedScope);\n              var anchor = selectedTransclude.element;\n              caseElement[caseElement.length++] = $compile.$$createComment('end ngSwitchWhen');\n              var block = { clone: caseElement };\n\n              selectedElements.push(block);\n              $animate.enter(caseElement, anchor.parent(), anchor);\n            });\n          });\n        }\n      });\n    }\n  };\n}];\n\nvar ngSwitchWhenDirective = ngDirective({\n  transclude: 'element',\n  priority: 1200,\n  require: '^ngSwitch',\n  multiElement: true,\n  link: function(scope, element, attrs, ctrl, $transclude) {\n\n    var cases = attrs.ngSwitchWhen.split(attrs.ngSwitchWhenSeparator).sort().filter(\n      // Filter duplicate cases\n      function(element, index, array) { return array[index - 1] !== element; }\n    );\n\n    forEach(cases, function(whenCase) {\n      ctrl.cases['!' + whenCase] = (ctrl.cases['!' + whenCase] || []);\n      ctrl.cases['!' + whenCase].push({ transclude: $transclude, element: element });\n    });\n  }\n});\n\nvar ngSwitchDefaultDirective = ngDirective({\n  transclude: 'element',\n  priority: 1200,\n  require: '^ngSwitch',\n  multiElement: true,\n  link: function(scope, element, attr, ctrl, $transclude) {\n    ctrl.cases['?'] = (ctrl.cases['?'] || []);\n    ctrl.cases['?'].push({ transclude: $transclude, element: element });\n   }\n});\n\n/**\n * @ngdoc directive\n * @name ngTransclude\n * @restrict EAC\n *\n * @description\n * Directive that marks the insertion point for the transcluded DOM of the nearest parent directive that uses transclusion.\n *\n * You can specify that you want to insert a named transclusion slot, instead of the default slot, by providing the slot name\n * as the value of the `ng-transclude` or `ng-transclude-slot` attribute.\n *\n * If the transcluded content is not empty (i.e. contains one or more DOM nodes, including whitespace text nodes), any existing\n * content of this element will be removed before the transcluded content is inserted.\n * If the transcluded content is empty (or only whitespace), the existing content is left intact. This lets you provide fallback\n * content in the case that no transcluded content is provided.\n *\n * @element ANY\n *\n * @param {string} ngTransclude|ngTranscludeSlot the name of the slot to insert at this point. If this is not provided, is empty\n *                                               or its value is the same as the name of the attribute then the default slot is used.\n *\n * @example\n * ### Basic transclusion\n * This example demonstrates basic transclusion of content into a component directive.\n * <example name=\"simpleTranscludeExample\" module=\"transcludeExample\">\n *   <file name=\"index.html\">\n *     <script>\n *       angular.module('transcludeExample', [])\n *        .directive('pane', function(){\n *           return {\n *             restrict: 'E',\n *             transclude: true,\n *             scope: { title:'@' },\n *             template: '<div style=\"border: 1px solid black;\">' +\n *                         '<div style=\"background-color: gray\">{{title}}</div>' +\n *                         '<ng-transclude></ng-transclude>' +\n *                       '</div>'\n *           };\n *       })\n *       .controller('ExampleController', ['$scope', function($scope) {\n *         $scope.title = 'Lorem Ipsum';\n *         $scope.text = 'Neque porro quisquam est qui dolorem ipsum quia dolor...';\n *       }]);\n *     </script>\n *     <div ng-controller=\"ExampleController\">\n *       <input ng-model=\"title\" aria-label=\"title\"> <br/>\n *       <textarea ng-model=\"text\" aria-label=\"text\"></textarea> <br/>\n *       <pane title=\"{{title}}\"><span>{{text}}</span></pane>\n *     </div>\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n *      it('should have transcluded', function() {\n *        var titleElement = element(by.model('title'));\n *        titleElement.clear();\n *        titleElement.sendKeys('TITLE');\n *        var textElement = element(by.model('text'));\n *        textElement.clear();\n *        textElement.sendKeys('TEXT');\n *        expect(element(by.binding('title')).getText()).toEqual('TITLE');\n *        expect(element(by.binding('text')).getText()).toEqual('TEXT');\n *      });\n *   </file>\n * </example>\n *\n * @example\n * ### Transclude fallback content\n * This example shows how to use `NgTransclude` with fallback content, that\n * is displayed if no transcluded content is provided.\n *\n * <example module=\"transcludeFallbackContentExample\" name=\"ng-transclude\">\n * <file name=\"index.html\">\n * <script>\n * angular.module('transcludeFallbackContentExample', [])\n * .directive('myButton', function(){\n *             return {\n *               restrict: 'E',\n *               transclude: true,\n *               scope: true,\n *               template: '<button style=\"cursor: pointer;\">' +\n *                           '<ng-transclude>' +\n *                             '<b style=\"color: red;\">Button1</b>' +\n *                           '</ng-transclude>' +\n *                         '</button>'\n *             };\n *         });\n * </script>\n * <!-- fallback button content -->\n * <my-button id=\"fallback\"></my-button>\n * <!-- modified button content -->\n * <my-button id=\"modified\">\n *   <i style=\"color: green;\">Button2</i>\n * </my-button>\n * </file>\n * <file name=\"protractor.js\" type=\"protractor\">\n * it('should have different transclude element content', function() {\n *          expect(element(by.id('fallback')).getText()).toBe('Button1');\n *          expect(element(by.id('modified')).getText()).toBe('Button2');\n *        });\n * </file>\n * </example>\n *\n * @example\n * ### Multi-slot transclusion\n * This example demonstrates using multi-slot transclusion in a component directive.\n * <example name=\"multiSlotTranscludeExample\" module=\"multiSlotTranscludeExample\">\n *   <file name=\"index.html\">\n *    <style>\n *      .title, .footer {\n *        background-color: gray\n *      }\n *    </style>\n *    <div ng-controller=\"ExampleController\">\n *      <input ng-model=\"title\" aria-label=\"title\"> <br/>\n *      <textarea ng-model=\"text\" aria-label=\"text\"></textarea> <br/>\n *      <pane>\n *        <pane-title><a ng-href=\"{{link}}\">{{title}}</a></pane-title>\n *        <pane-body><p>{{text}}</p></pane-body>\n *      </pane>\n *    </div>\n *   </file>\n *   <file name=\"app.js\">\n *    angular.module('multiSlotTranscludeExample', [])\n *     .directive('pane', function() {\n *        return {\n *          restrict: 'E',\n *          transclude: {\n *            'title': '?paneTitle',\n *            'body': 'paneBody',\n *            'footer': '?paneFooter'\n *          },\n *          template: '<div style=\"border: 1px solid black;\">' +\n *                      '<div class=\"title\" ng-transclude=\"title\">Fallback Title</div>' +\n *                      '<div ng-transclude=\"body\"></div>' +\n *                      '<div class=\"footer\" ng-transclude=\"footer\">Fallback Footer</div>' +\n *                    '</div>'\n *        };\n *    })\n *    .controller('ExampleController', ['$scope', function($scope) {\n *      $scope.title = 'Lorem Ipsum';\n *      $scope.link = 'https://google.com';\n *      $scope.text = 'Neque porro quisquam est qui dolorem ipsum quia dolor...';\n *    }]);\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n *      it('should have transcluded the title and the body', function() {\n *        var titleElement = element(by.model('title'));\n *        titleElement.clear();\n *        titleElement.sendKeys('TITLE');\n *        var textElement = element(by.model('text'));\n *        textElement.clear();\n *        textElement.sendKeys('TEXT');\n *        expect(element(by.css('.title')).getText()).toEqual('TITLE');\n *        expect(element(by.binding('text')).getText()).toEqual('TEXT');\n *        expect(element(by.css('.footer')).getText()).toEqual('Fallback Footer');\n *      });\n *   </file>\n * </example>\n */\nvar ngTranscludeMinErr = minErr('ngTransclude');\nvar ngTranscludeDirective = ['$compile', function($compile) {\n  return {\n    restrict: 'EAC',\n    compile: function ngTranscludeCompile(tElement) {\n\n      // Remove and cache any original content to act as a fallback\n      var fallbackLinkFn = $compile(tElement.contents());\n      tElement.empty();\n\n      return function ngTranscludePostLink($scope, $element, $attrs, controller, $transclude) {\n\n        if (!$transclude) {\n          throw ngTranscludeMinErr('orphan',\n          'Illegal use of ngTransclude directive in the template! ' +\n          'No parent directive that requires a transclusion found. ' +\n          'Element: {0}',\n          startingTag($element));\n        }\n\n\n        // If the attribute is of the form: `ng-transclude=\"ng-transclude\"` then treat it like the default\n        if ($attrs.ngTransclude === $attrs.$attr.ngTransclude) {\n          $attrs.ngTransclude = '';\n        }\n        var slotName = $attrs.ngTransclude || $attrs.ngTranscludeSlot;\n\n        // If the slot is required and no transclusion content is provided then this call will throw an error\n        $transclude(ngTranscludeCloneAttachFn, null, slotName);\n\n        // If the slot is optional and no transclusion content is provided then use the fallback content\n        if (slotName && !$transclude.isSlotFilled(slotName)) {\n          useFallbackContent();\n        }\n\n        function ngTranscludeCloneAttachFn(clone, transcludedScope) {\n          if (clone.length && notWhitespace(clone)) {\n            $element.append(clone);\n          } else {\n            useFallbackContent();\n            // There is nothing linked against the transcluded scope since no content was available,\n            // so it should be safe to clean up the generated scope.\n            transcludedScope.$destroy();\n          }\n        }\n\n        function useFallbackContent() {\n          // Since this is the fallback content rather than the transcluded content,\n          // we link against the scope of this directive rather than the transcluded scope\n          fallbackLinkFn($scope, function(clone) {\n            $element.append(clone);\n          });\n        }\n\n        function notWhitespace(nodes) {\n          for (var i = 0, ii = nodes.length; i < ii; i++) {\n            var node = nodes[i];\n            if (node.nodeType !== NODE_TYPE_TEXT || node.nodeValue.trim()) {\n              return true;\n            }\n          }\n        }\n      };\n    }\n  };\n}];\n\n/**\n * @ngdoc directive\n * @name script\n * @restrict E\n *\n * @description\n * Load the content of a `<script>` element into {@link ng.$templateCache `$templateCache`}, so that the\n * template can be used by {@link ng.directive:ngInclude `ngInclude`},\n * {@link ngRoute.directive:ngView `ngView`}, or {@link guide/directive directives}. The type of the\n * `<script>` element must be specified as `text/ng-template`, and a cache name for the template must be\n * assigned through the element's `id`, which can then be used as a directive's `templateUrl`.\n *\n * @param {string} type Must be set to `'text/ng-template'`.\n * @param {string} id Cache name of the template.\n *\n * @example\n  <example  name=\"script-tag\">\n    <file name=\"index.html\">\n      <script type=\"text/ng-template\" id=\"/tpl.html\">\n        Content of the template.\n      </script>\n\n      <a ng-click=\"currentTpl='/tpl.html'\" id=\"tpl-link\">Load inlined template</a>\n      <div id=\"tpl-content\" ng-include src=\"currentTpl\"></div>\n    </file>\n    <file name=\"protractor.js\" type=\"protractor\">\n      it('should load template defined inside script tag', function() {\n        element(by.css('#tpl-link')).click();\n        expect(element(by.css('#tpl-content')).getText()).toMatch(/Content of the template/);\n      });\n    </file>\n  </example>\n */\nvar scriptDirective = ['$templateCache', function($templateCache) {\n  return {\n    restrict: 'E',\n    terminal: true,\n    compile: function(element, attr) {\n      if (attr.type === 'text/ng-template') {\n        var templateUrl = attr.id,\n            text = element[0].text;\n\n        $templateCache.put(templateUrl, text);\n      }\n    }\n  };\n}];\n\n/* exported selectDirective, optionDirective */\n\nvar noopNgModelController = { $setViewValue: noop, $render: noop };\n\nfunction setOptionSelectedStatus(optionEl, value) {\n  optionEl.prop('selected', value);\n  /**\n   * When unselecting an option, setting the property to null / false should be enough\n   * However, screenreaders might react to the selected attribute instead, see\n   * https://github.com/angular/angular.js/issues/14419\n   * Note: \"selected\" is a boolean attr and will be removed when the \"value\" arg in attr() is false\n   * or null\n   */\n  optionEl.attr('selected', value);\n}\n\n/**\n * @ngdoc type\n * @name  select.SelectController\n *\n * @description\n * The controller for the {@link ng.select select} directive. The controller exposes\n * a few utility methods that can be used to augment the behavior of a regular or an\n * {@link ng.ngOptions ngOptions} select element.\n *\n * @example\n * ### Set a custom error when the unknown option is selected\n *\n * This example sets a custom error \"unknownValue\" on the ngModelController\n * when the select element's unknown option is selected, i.e. when the model is set to a value\n * that is not matched by any option.\n *\n * <example name=\"select-unknown-value-error\" module=\"staticSelect\">\n * <file name=\"index.html\">\n * <div ng-controller=\"ExampleController\">\n *   <form name=\"myForm\">\n *     <label for=\"testSelect\"> Single select: </label><br>\n *     <select name=\"testSelect\" ng-model=\"selected\" unknown-value-error>\n *       <option value=\"option-1\">Option 1</option>\n *       <option value=\"option-2\">Option 2</option>\n *     </select><br>\n *     <span class=\"error\" ng-if=\"myForm.testSelect.$error.unknownValue\">\n *       Error: The current model doesn't match any option</span><br>\n *\n *     <button ng-click=\"forceUnknownOption()\">Force unknown option</button><br>\n *   </form>\n * </div>\n * </file>\n * <file name=\"app.js\">\n *  angular.module('staticSelect', [])\n *    .controller('ExampleController', ['$scope', function($scope) {\n *      $scope.selected = null;\n *\n *      $scope.forceUnknownOption = function() {\n *        $scope.selected = 'nonsense';\n *      };\n *   }])\n *   .directive('unknownValueError', function() {\n *     return {\n *       require: ['ngModel', 'select'],\n *       link: function(scope, element, attrs, ctrls) {\n *         var ngModelCtrl = ctrls[0];\n *         var selectCtrl = ctrls[1];\n *\n *         ngModelCtrl.$validators.unknownValue = function(modelValue, viewValue) {\n *           if (selectCtrl.$isUnknownOptionSelected()) {\n *             return false;\n *           }\n *\n *           return true;\n *         };\n *       }\n *\n *     };\n *   });\n * </file>\n *</example>\n *\n *\n * @example\n * ### Set the \"required\" error when the unknown option is selected.\n *\n * By default, the \"required\" error on the ngModelController is only set on a required select\n * when the empty option is selected. This example adds a custom directive that also sets the\n * error when the unknown option is selected.\n *\n * <example name=\"select-unknown-value-required\" module=\"staticSelect\">\n * <file name=\"index.html\">\n * <div ng-controller=\"ExampleController\">\n *   <form name=\"myForm\">\n *     <label for=\"testSelect\"> Select: </label><br>\n *     <select name=\"testSelect\" ng-model=\"selected\" required unknown-value-required>\n *       <option value=\"option-1\">Option 1</option>\n *       <option value=\"option-2\">Option 2</option>\n *     </select><br>\n *     <span class=\"error\" ng-if=\"myForm.testSelect.$error.required\">Error: Please select a value</span><br>\n *\n *     <button ng-click=\"forceUnknownOption()\">Force unknown option</button><br>\n *   </form>\n * </div>\n * </file>\n * <file name=\"app.js\">\n *  angular.module('staticSelect', [])\n *    .controller('ExampleController', ['$scope', function($scope) {\n *      $scope.selected = null;\n *\n *      $scope.forceUnknownOption = function() {\n *        $scope.selected = 'nonsense';\n *      };\n *   }])\n *   .directive('unknownValueRequired', function() {\n *     return {\n *       priority: 1, // This directive must run after the required directive has added its validator\n *       require: ['ngModel', 'select'],\n *       link: function(scope, element, attrs, ctrls) {\n *         var ngModelCtrl = ctrls[0];\n *         var selectCtrl = ctrls[1];\n *\n *         var originalRequiredValidator = ngModelCtrl.$validators.required;\n *\n *         ngModelCtrl.$validators.required = function() {\n *           if (attrs.required && selectCtrl.$isUnknownOptionSelected()) {\n *             return false;\n *           }\n *\n *           return originalRequiredValidator.apply(this, arguments);\n *         };\n *       }\n *     };\n *   });\n * </file>\n * <file name=\"protractor.js\" type=\"protractor\">\n *  it('should show the error message when the unknown option is selected', function() {\n\n      var error = element(by.className('error'));\n\n      expect(error.getText()).toBe('Error: Please select a value');\n\n      element(by.cssContainingText('option', 'Option 1')).click();\n\n      expect(error.isPresent()).toBe(false);\n\n      element(by.tagName('button')).click();\n\n      expect(error.getText()).toBe('Error: Please select a value');\n    });\n * </file>\n *</example>\n *\n *\n */\nvar SelectController =\n        ['$element', '$scope', /** @this */ function($element, $scope) {\n\n  var self = this,\n      optionsMap = new NgMap();\n\n  self.selectValueMap = {}; // Keys are the hashed values, values the original values\n\n  // If the ngModel doesn't get provided then provide a dummy noop version to prevent errors\n  self.ngModelCtrl = noopNgModelController;\n  self.multiple = false;\n\n  // The \"unknown\" option is one that is prepended to the list if the viewValue\n  // does not match any of the options. When it is rendered the value of the unknown\n  // option is '? XXX ?' where XXX is the hashKey of the value that is not known.\n  //\n  // Support: IE 9 only\n  // We can't just jqLite('<option>') since jqLite is not smart enough\n  // to create it in <select> and IE barfs otherwise.\n  self.unknownOption = jqLite(window.document.createElement('option'));\n\n  // The empty option is an option with the value '' that the application developer can\n  // provide inside the select. It is always selectable and indicates that a \"null\" selection has\n  // been made by the user.\n  // If the select has an empty option, and the model of the select is set to \"undefined\" or \"null\",\n  // the empty option is selected.\n  // If the model is set to a different unmatched value, the unknown option is rendered and\n  // selected, i.e both are present, because a \"null\" selection and an unknown value are different.\n  self.hasEmptyOption = false;\n  self.emptyOption = undefined;\n\n  self.renderUnknownOption = function(val) {\n    var unknownVal = self.generateUnknownOptionValue(val);\n    self.unknownOption.val(unknownVal);\n    $element.prepend(self.unknownOption);\n    setOptionSelectedStatus(self.unknownOption, true);\n    $element.val(unknownVal);\n  };\n\n  self.updateUnknownOption = function(val) {\n    var unknownVal = self.generateUnknownOptionValue(val);\n    self.unknownOption.val(unknownVal);\n    setOptionSelectedStatus(self.unknownOption, true);\n    $element.val(unknownVal);\n  };\n\n  self.generateUnknownOptionValue = function(val) {\n    return '? ' + hashKey(val) + ' ?';\n  };\n\n  self.removeUnknownOption = function() {\n    if (self.unknownOption.parent()) self.unknownOption.remove();\n  };\n\n  self.selectEmptyOption = function() {\n    if (self.emptyOption) {\n      $element.val('');\n      setOptionSelectedStatus(self.emptyOption, true);\n    }\n  };\n\n  self.unselectEmptyOption = function() {\n    if (self.hasEmptyOption) {\n      setOptionSelectedStatus(self.emptyOption, false);\n    }\n  };\n\n  $scope.$on('$destroy', function() {\n    // disable unknown option so that we don't do work when the whole select is being destroyed\n    self.renderUnknownOption = noop;\n  });\n\n  // Read the value of the select control, the implementation of this changes depending\n  // upon whether the select can have multiple values and whether ngOptions is at work.\n  self.readValue = function readSingleValue() {\n    var val = $element.val();\n    // ngValue added option values are stored in the selectValueMap, normal interpolations are not\n    var realVal = val in self.selectValueMap ? self.selectValueMap[val] : val;\n\n    if (self.hasOption(realVal)) {\n      return realVal;\n    }\n\n    return null;\n  };\n\n\n  // Write the value to the select control, the implementation of this changes depending\n  // upon whether the select can have multiple values and whether ngOptions is at work.\n  self.writeValue = function writeSingleValue(value) {\n    // Make sure to remove the selected attribute from the previously selected option\n    // Otherwise, screen readers might get confused\n    var currentlySelectedOption = $element[0].options[$element[0].selectedIndex];\n    if (currentlySelectedOption) setOptionSelectedStatus(jqLite(currentlySelectedOption), false);\n\n    if (self.hasOption(value)) {\n      self.removeUnknownOption();\n\n      var hashedVal = hashKey(value);\n      $element.val(hashedVal in self.selectValueMap ? hashedVal : value);\n\n      // Set selected attribute and property on selected option for screen readers\n      var selectedOption = $element[0].options[$element[0].selectedIndex];\n      setOptionSelectedStatus(jqLite(selectedOption), true);\n    } else {\n      self.selectUnknownOrEmptyOption(value);\n    }\n  };\n\n\n  // Tell the select control that an option, with the given value, has been added\n  self.addOption = function(value, element) {\n    // Skip comment nodes, as they only pollute the `optionsMap`\n    if (element[0].nodeType === NODE_TYPE_COMMENT) return;\n\n    assertNotHasOwnProperty(value, '\"option value\"');\n    if (value === '') {\n      self.hasEmptyOption = true;\n      self.emptyOption = element;\n    }\n    var count = optionsMap.get(value) || 0;\n    optionsMap.set(value, count + 1);\n    // Only render at the end of a digest. This improves render performance when many options\n    // are added during a digest and ensures all relevant options are correctly marked as selected\n    scheduleRender();\n  };\n\n  // Tell the select control that an option, with the given value, has been removed\n  self.removeOption = function(value) {\n    var count = optionsMap.get(value);\n    if (count) {\n      if (count === 1) {\n        optionsMap.delete(value);\n        if (value === '') {\n          self.hasEmptyOption = false;\n          self.emptyOption = undefined;\n        }\n      } else {\n        optionsMap.set(value, count - 1);\n      }\n    }\n  };\n\n  // Check whether the select control has an option matching the given value\n  self.hasOption = function(value) {\n    return !!optionsMap.get(value);\n  };\n\n  /**\n   * @ngdoc method\n   * @name select.SelectController#$hasEmptyOption\n   *\n   * @description\n   *\n   * Returns `true` if the select element currently has an empty option\n   * element, i.e. an option that signifies that the select is empty / the selection is null.\n   *\n   */\n  self.$hasEmptyOption = function() {\n    return self.hasEmptyOption;\n  };\n\n  /**\n   * @ngdoc method\n   * @name select.SelectController#$isUnknownOptionSelected\n   *\n   * @description\n   *\n   * Returns `true` if the select element's unknown option is selected. The unknown option is added\n   * and automatically selected whenever the select model doesn't match any option.\n   *\n   */\n  self.$isUnknownOptionSelected = function() {\n    // Presence of the unknown option means it is selected\n    return $element[0].options[0] === self.unknownOption[0];\n  };\n\n  /**\n   * @ngdoc method\n   * @name select.SelectController#$isEmptyOptionSelected\n   *\n   * @description\n   *\n   * Returns `true` if the select element has an empty option and this empty option is currently\n   * selected. Returns `false` if the select element has no empty option or it is not selected.\n   *\n   */\n  self.$isEmptyOptionSelected = function() {\n    return self.hasEmptyOption && $element[0].options[$element[0].selectedIndex] === self.emptyOption[0];\n  };\n\n  self.selectUnknownOrEmptyOption = function(value) {\n    if (value == null && self.emptyOption) {\n      self.removeUnknownOption();\n      self.selectEmptyOption();\n    } else if (self.unknownOption.parent().length) {\n      self.updateUnknownOption(value);\n    } else {\n      self.renderUnknownOption(value);\n    }\n  };\n\n  var renderScheduled = false;\n  function scheduleRender() {\n    if (renderScheduled) return;\n    renderScheduled = true;\n    $scope.$$postDigest(function() {\n      renderScheduled = false;\n      self.ngModelCtrl.$render();\n    });\n  }\n\n  var updateScheduled = false;\n  function scheduleViewValueUpdate(renderAfter) {\n    if (updateScheduled) return;\n\n    updateScheduled = true;\n\n    $scope.$$postDigest(function() {\n      if ($scope.$$destroyed) return;\n\n      updateScheduled = false;\n      self.ngModelCtrl.$setViewValue(self.readValue());\n      if (renderAfter) self.ngModelCtrl.$render();\n    });\n  }\n\n\n  self.registerOption = function(optionScope, optionElement, optionAttrs, interpolateValueFn, interpolateTextFn) {\n\n    if (optionAttrs.$attr.ngValue) {\n      // The value attribute is set by ngValue\n      var oldVal, hashedVal;\n      optionAttrs.$observe('value', function valueAttributeObserveAction(newVal) {\n\n        var removal;\n        var previouslySelected = optionElement.prop('selected');\n\n        if (isDefined(hashedVal)) {\n          self.removeOption(oldVal);\n          delete self.selectValueMap[hashedVal];\n          removal = true;\n        }\n\n        hashedVal = hashKey(newVal);\n        oldVal = newVal;\n        self.selectValueMap[hashedVal] = newVal;\n        self.addOption(newVal, optionElement);\n        // Set the attribute directly instead of using optionAttrs.$set - this stops the observer\n        // from firing a second time. Other $observers on value will also get the result of the\n        // ngValue expression, not the hashed value\n        optionElement.attr('value', hashedVal);\n\n        if (removal && previouslySelected) {\n          scheduleViewValueUpdate();\n        }\n\n      });\n    } else if (interpolateValueFn) {\n      // The value attribute is interpolated\n      optionAttrs.$observe('value', function valueAttributeObserveAction(newVal) {\n        // This method is overwritten in ngOptions and has side-effects!\n        self.readValue();\n\n        var removal;\n        var previouslySelected = optionElement.prop('selected');\n\n        if (isDefined(oldVal)) {\n          self.removeOption(oldVal);\n          removal = true;\n        }\n        oldVal = newVal;\n        self.addOption(newVal, optionElement);\n\n        if (removal && previouslySelected) {\n          scheduleViewValueUpdate();\n        }\n      });\n    } else if (interpolateTextFn) {\n      // The text content is interpolated\n      optionScope.$watch(interpolateTextFn, function interpolateWatchAction(newVal, oldVal) {\n        optionAttrs.$set('value', newVal);\n        var previouslySelected = optionElement.prop('selected');\n        if (oldVal !== newVal) {\n          self.removeOption(oldVal);\n        }\n        self.addOption(newVal, optionElement);\n\n        if (oldVal && previouslySelected) {\n          scheduleViewValueUpdate();\n        }\n      });\n    } else {\n      // The value attribute is static\n      self.addOption(optionAttrs.value, optionElement);\n    }\n\n\n    optionAttrs.$observe('disabled', function(newVal) {\n\n      // Since model updates will also select disabled options (like ngOptions),\n      // we only have to handle options becoming disabled, not enabled\n\n      if (newVal === 'true' || newVal && optionElement.prop('selected')) {\n        if (self.multiple) {\n          scheduleViewValueUpdate(true);\n        } else {\n          self.ngModelCtrl.$setViewValue(null);\n          self.ngModelCtrl.$render();\n        }\n      }\n    });\n\n    optionElement.on('$destroy', function() {\n      var currentValue = self.readValue();\n      var removeValue = optionAttrs.value;\n\n      self.removeOption(removeValue);\n      scheduleRender();\n\n      if (self.multiple && currentValue && currentValue.indexOf(removeValue) !== -1 ||\n          currentValue === removeValue\n      ) {\n        // When multiple (selected) options are destroyed at the same time, we don't want\n        // to run a model update for each of them. Instead, run a single update in the $$postDigest\n        scheduleViewValueUpdate(true);\n      }\n    });\n  };\n}];\n\n/**\n * @ngdoc directive\n * @name select\n * @restrict E\n *\n * @description\n * HTML `select` element with AngularJS data-binding.\n *\n * The `select` directive is used together with {@link ngModel `ngModel`} to provide data-binding\n * between the scope and the `<select>` control (including setting default values).\n * It also handles dynamic `<option>` elements, which can be added using the {@link ngRepeat `ngRepeat}` or\n * {@link ngOptions `ngOptions`} directives.\n *\n * When an item in the `<select>` menu is selected, the value of the selected option will be bound\n * to the model identified by the `ngModel` directive. With static or repeated options, this is\n * the content of the `value` attribute or the textContent of the `<option>`, if the value attribute is missing.\n * Value and textContent can be interpolated.\n *\n * The {@link select.SelectController select controller} exposes utility functions that can be used\n * to manipulate the select's behavior.\n *\n * ## Matching model and option values\n *\n * In general, the match between the model and an option is evaluated by strictly comparing the model\n * value against the value of the available options.\n *\n * If you are setting the option value with the option's `value` attribute, or textContent, the\n * value will always be a `string` which means that the model value must also be a string.\n * Otherwise the `select` directive cannot match them correctly.\n *\n * To bind the model to a non-string value, you can use one of the following strategies:\n * - the {@link ng.ngOptions `ngOptions`} directive\n *   ({@link ng.select#using-select-with-ngoptions-and-setting-a-default-value})\n * - the {@link ng.ngValue `ngValue`} directive, which allows arbitrary expressions to be\n *   option values ({@link ng.select#using-ngvalue-to-bind-the-model-to-an-array-of-objects Example})\n * - model $parsers / $formatters to convert the string value\n *   ({@link ng.select#binding-select-to-a-non-string-value-via-ngmodel-parsing-formatting Example})\n *\n * If the viewValue of `ngModel` does not match any of the options, then the control\n * will automatically add an \"unknown\" option, which it then removes when the mismatch is resolved.\n *\n * Optionally, a single hard-coded `<option>` element, with the value set to an empty string, can\n * be nested into the `<select>` element. This element will then represent the `null` or \"not selected\"\n * option. See example below for demonstration.\n *\n * ## Choosing between `ngRepeat` and `ngOptions`\n *\n * In many cases, `ngRepeat` can be used on `<option>` elements instead of {@link ng.directive:ngOptions\n * ngOptions} to achieve a similar result. However, `ngOptions` provides some benefits:\n * - more flexibility in how the `<select>`'s model is assigned via the `select` **`as`** part of the\n * comprehension expression\n * - reduced memory consumption by not creating a new scope for each repeated instance\n * - increased render speed by creating the options in a documentFragment instead of individually\n *\n * Specifically, select with repeated options slows down significantly starting at 2000 options in\n * Chrome and Internet Explorer / Edge.\n *\n *\n * @param {string} ngModel Assignable AngularJS expression to data-bind to.\n * @param {string=} name Property name of the form under which the control is published.\n * @param {string=} multiple Allows multiple options to be selected. The selected values will be\n *     bound to the model as an array.\n * @param {string=} required Sets `required` validation error key if the value is not entered.\n * @param {string=} ngRequired Adds required attribute and required validation constraint to\n * the element when the ngRequired expression evaluates to true. Use ngRequired instead of required\n * when you want to data-bind to the required attribute.\n * @param {string=} ngChange AngularJS expression to be executed when selected option(s) changes due to user\n *    interaction with the select element.\n * @param {string=} ngOptions sets the options that the select is populated with and defines what is\n * set on the model on selection. See {@link ngOptions `ngOptions`}.\n * @param {string=} ngAttrSize sets the size of the select element dynamically. Uses the\n * {@link guide/interpolation#-ngattr-for-binding-to-arbitrary-attributes ngAttr} directive.\n *\n *\n * @example\n * ### Simple `select` elements with static options\n *\n * <example name=\"static-select\" module=\"staticSelect\">\n * <file name=\"index.html\">\n * <div ng-controller=\"ExampleController\">\n *   <form name=\"myForm\">\n *     <label for=\"singleSelect\"> Single select: </label><br>\n *     <select name=\"singleSelect\" ng-model=\"data.singleSelect\">\n *       <option value=\"option-1\">Option 1</option>\n *       <option value=\"option-2\">Option 2</option>\n *     </select><br>\n *\n *     <label for=\"singleSelect\"> Single select with \"not selected\" option and dynamic option values: </label><br>\n *     <select name=\"singleSelect\" id=\"singleSelect\" ng-model=\"data.singleSelect\">\n *       <option value=\"\">---Please select---</option> <!-- not selected / blank option -->\n *       <option value=\"{{data.option1}}\">Option 1</option> <!-- interpolation -->\n *       <option value=\"option-2\">Option 2</option>\n *     </select><br>\n *     <button ng-click=\"forceUnknownOption()\">Force unknown option</button><br>\n *     <tt>singleSelect = {{data.singleSelect}}</tt>\n *\n *     <hr>\n *     <label for=\"multipleSelect\"> Multiple select: </label><br>\n *     <select name=\"multipleSelect\" id=\"multipleSelect\" ng-model=\"data.multipleSelect\" multiple>\n *       <option value=\"option-1\">Option 1</option>\n *       <option value=\"option-2\">Option 2</option>\n *       <option value=\"option-3\">Option 3</option>\n *     </select><br>\n *     <tt>multipleSelect = {{data.multipleSelect}}</tt><br/>\n *   </form>\n * </div>\n * </file>\n * <file name=\"app.js\">\n *  angular.module('staticSelect', [])\n *    .controller('ExampleController', ['$scope', function($scope) {\n *      $scope.data = {\n *       singleSelect: null,\n *       multipleSelect: [],\n *       option1: 'option-1'\n *      };\n *\n *      $scope.forceUnknownOption = function() {\n *        $scope.data.singleSelect = 'nonsense';\n *      };\n *   }]);\n * </file>\n *</example>\n *\n * @example\n * ### Using `ngRepeat` to generate `select` options\n * <example name=\"select-ngrepeat\" module=\"ngrepeatSelect\">\n * <file name=\"index.html\">\n * <div ng-controller=\"ExampleController\">\n *   <form name=\"myForm\">\n *     <label for=\"repeatSelect\"> Repeat select: </label>\n *     <select name=\"repeatSelect\" id=\"repeatSelect\" ng-model=\"data.model\">\n *       <option ng-repeat=\"option in data.availableOptions\" value=\"{{option.id}}\">{{option.name}}</option>\n *     </select>\n *   </form>\n *   <hr>\n *   <tt>model = {{data.model}}</tt><br/>\n * </div>\n * </file>\n * <file name=\"app.js\">\n *  angular.module('ngrepeatSelect', [])\n *    .controller('ExampleController', ['$scope', function($scope) {\n *      $scope.data = {\n *       model: null,\n *       availableOptions: [\n *         {id: '1', name: 'Option A'},\n *         {id: '2', name: 'Option B'},\n *         {id: '3', name: 'Option C'}\n *       ]\n *      };\n *   }]);\n * </file>\n *</example>\n *\n * @example\n * ### Using `ngValue` to bind the model to an array of objects\n * <example name=\"select-ngvalue\" module=\"ngvalueSelect\">\n * <file name=\"index.html\">\n * <div ng-controller=\"ExampleController\">\n *   <form name=\"myForm\">\n *     <label for=\"ngvalueselect\"> ngvalue select: </label>\n *     <select size=\"6\" name=\"ngvalueselect\" ng-model=\"data.model\" multiple>\n *       <option ng-repeat=\"option in data.availableOptions\" ng-value=\"option.value\">{{option.name}}</option>\n *     </select>\n *   </form>\n *   <hr>\n *   <pre>model = {{data.model | json}}</pre><br/>\n * </div>\n * </file>\n * <file name=\"app.js\">\n *  angular.module('ngvalueSelect', [])\n *    .controller('ExampleController', ['$scope', function($scope) {\n *      $scope.data = {\n *       model: null,\n *       availableOptions: [\n           {value: 'myString', name: 'string'},\n           {value: 1, name: 'integer'},\n           {value: true, name: 'boolean'},\n           {value: null, name: 'null'},\n           {value: {prop: 'value'}, name: 'object'},\n           {value: ['a'], name: 'array'}\n *       ]\n *      };\n *   }]);\n * </file>\n *</example>\n *\n * @example\n * ### Using `select` with `ngOptions` and setting a default value\n * See the {@link ngOptions ngOptions documentation} for more `ngOptions` usage examples.\n *\n * <example name=\"select-with-default-values\" module=\"defaultValueSelect\">\n * <file name=\"index.html\">\n * <div ng-controller=\"ExampleController\">\n *   <form name=\"myForm\">\n *     <label for=\"mySelect\">Make a choice:</label>\n *     <select name=\"mySelect\" id=\"mySelect\"\n *       ng-options=\"option.name for option in data.availableOptions track by option.id\"\n *       ng-model=\"data.selectedOption\"></select>\n *   </form>\n *   <hr>\n *   <tt>option = {{data.selectedOption}}</tt><br/>\n * </div>\n * </file>\n * <file name=\"app.js\">\n *  angular.module('defaultValueSelect', [])\n *    .controller('ExampleController', ['$scope', function($scope) {\n *      $scope.data = {\n *       availableOptions: [\n *         {id: '1', name: 'Option A'},\n *         {id: '2', name: 'Option B'},\n *         {id: '3', name: 'Option C'}\n *       ],\n *       selectedOption: {id: '3', name: 'Option C'} //This sets the default value of the select in the ui\n *       };\n *   }]);\n * </file>\n *</example>\n *\n * @example\n * ### Binding `select` to a non-string value via `ngModel` parsing / formatting\n *\n * <example name=\"select-with-non-string-options\" module=\"nonStringSelect\">\n *   <file name=\"index.html\">\n *     <select ng-model=\"model.id\" convert-to-number>\n *       <option value=\"0\">Zero</option>\n *       <option value=\"1\">One</option>\n *       <option value=\"2\">Two</option>\n *     </select>\n *     {{ model }}\n *   </file>\n *   <file name=\"app.js\">\n *     angular.module('nonStringSelect', [])\n *       .run(function($rootScope) {\n *         $rootScope.model = { id: 2 };\n *       })\n *       .directive('convertToNumber', function() {\n *         return {\n *           require: 'ngModel',\n *           link: function(scope, element, attrs, ngModel) {\n *             ngModel.$parsers.push(function(val) {\n *               return parseInt(val, 10);\n *             });\n *             ngModel.$formatters.push(function(val) {\n *               return '' + val;\n *             });\n *           }\n *         };\n *       });\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n *     it('should initialize to model', function() {\n *       expect(element(by.model('model.id')).$('option:checked').getText()).toEqual('Two');\n *     });\n *   </file>\n * </example>\n *\n */\nvar selectDirective = function() {\n\n  return {\n    restrict: 'E',\n    require: ['select', '?ngModel'],\n    controller: SelectController,\n    priority: 1,\n    link: {\n      pre: selectPreLink,\n      post: selectPostLink\n    }\n  };\n\n  function selectPreLink(scope, element, attr, ctrls) {\n\n      var selectCtrl = ctrls[0];\n      var ngModelCtrl = ctrls[1];\n\n      // if ngModel is not defined, we don't need to do anything but set the registerOption\n      // function to noop, so options don't get added internally\n      if (!ngModelCtrl) {\n        selectCtrl.registerOption = noop;\n        return;\n      }\n\n\n      selectCtrl.ngModelCtrl = ngModelCtrl;\n\n      // When the selected item(s) changes we delegate getting the value of the select control\n      // to the `readValue` method, which can be changed if the select can have multiple\n      // selected values or if the options are being generated by `ngOptions`\n      element.on('change', function() {\n        selectCtrl.removeUnknownOption();\n        scope.$apply(function() {\n          ngModelCtrl.$setViewValue(selectCtrl.readValue());\n        });\n      });\n\n      // If the select allows multiple values then we need to modify how we read and write\n      // values from and to the control; also what it means for the value to be empty and\n      // we have to add an extra watch since ngModel doesn't work well with arrays - it\n      // doesn't trigger rendering if only an item in the array changes.\n      if (attr.multiple) {\n        selectCtrl.multiple = true;\n\n        // Read value now needs to check each option to see if it is selected\n        selectCtrl.readValue = function readMultipleValue() {\n          var array = [];\n          forEach(element.find('option'), function(option) {\n            if (option.selected && !option.disabled) {\n              var val = option.value;\n              array.push(val in selectCtrl.selectValueMap ? selectCtrl.selectValueMap[val] : val);\n            }\n          });\n          return array;\n        };\n\n        // Write value now needs to set the selected property of each matching option\n        selectCtrl.writeValue = function writeMultipleValue(value) {\n          forEach(element.find('option'), function(option) {\n            var shouldBeSelected = !!value && (includes(value, option.value) ||\n                                               includes(value, selectCtrl.selectValueMap[option.value]));\n            var currentlySelected = option.selected;\n\n            // Support: IE 9-11 only, Edge 12-15+\n            // In IE and Edge adding options to the selection via shift+click/UP/DOWN\n            // will de-select already selected options if \"selected\" on those options was set\n            // more than once (i.e. when the options were already selected)\n            // So we only modify the selected property if necessary.\n            // Note: this behavior cannot be replicated via unit tests because it only shows in the\n            // actual user interface.\n            if (shouldBeSelected !== currentlySelected) {\n              setOptionSelectedStatus(jqLite(option), shouldBeSelected);\n            }\n\n          });\n        };\n\n        // we have to do it on each watch since ngModel watches reference, but\n        // we need to work of an array, so we need to see if anything was inserted/removed\n        var lastView, lastViewRef = NaN;\n        scope.$watch(function selectMultipleWatch() {\n          if (lastViewRef === ngModelCtrl.$viewValue && !equals(lastView, ngModelCtrl.$viewValue)) {\n            lastView = shallowCopy(ngModelCtrl.$viewValue);\n            ngModelCtrl.$render();\n          }\n          lastViewRef = ngModelCtrl.$viewValue;\n        });\n\n        // If we are a multiple select then value is now a collection\n        // so the meaning of $isEmpty changes\n        ngModelCtrl.$isEmpty = function(value) {\n          return !value || value.length === 0;\n        };\n\n      }\n    }\n\n    function selectPostLink(scope, element, attrs, ctrls) {\n      // if ngModel is not defined, we don't need to do anything\n      var ngModelCtrl = ctrls[1];\n      if (!ngModelCtrl) return;\n\n      var selectCtrl = ctrls[0];\n\n      // We delegate rendering to the `writeValue` method, which can be changed\n      // if the select can have multiple selected values or if the options are being\n      // generated by `ngOptions`.\n      // This must be done in the postLink fn to prevent $render to be called before\n      // all nodes have been linked correctly.\n      ngModelCtrl.$render = function() {\n        selectCtrl.writeValue(ngModelCtrl.$viewValue);\n      };\n    }\n};\n\n\n// The option directive is purely designed to communicate the existence (or lack of)\n// of dynamically created (and destroyed) option elements to their containing select\n// directive via its controller.\nvar optionDirective = ['$interpolate', function($interpolate) {\n  return {\n    restrict: 'E',\n    priority: 100,\n    compile: function(element, attr) {\n      var interpolateValueFn, interpolateTextFn;\n\n      if (isDefined(attr.ngValue)) {\n        // Will be handled by registerOption\n      } else if (isDefined(attr.value)) {\n        // If the value attribute is defined, check if it contains an interpolation\n        interpolateValueFn = $interpolate(attr.value, true);\n      } else {\n        // If the value attribute is not defined then we fall back to the\n        // text content of the option element, which may be interpolated\n        interpolateTextFn = $interpolate(element.text(), true);\n        if (!interpolateTextFn) {\n          attr.$set('value', element.text());\n        }\n      }\n\n      return function(scope, element, attr) {\n        // This is an optimization over using ^^ since we don't want to have to search\n        // all the way to the root of the DOM for every single option element\n        var selectCtrlName = '$selectController',\n            parent = element.parent(),\n            selectCtrl = parent.data(selectCtrlName) ||\n              parent.parent().data(selectCtrlName); // in case we are in optgroup\n\n        if (selectCtrl) {\n          selectCtrl.registerOption(scope, element, attr, interpolateValueFn, interpolateTextFn);\n        }\n      };\n    }\n  };\n}];\n\n/**\n * @ngdoc directive\n * @name ngRequired\n * @restrict A\n *\n * @param {expression} ngRequired AngularJS expression. If it evaluates to `true`, it sets the\n *                                `required` attribute to the element and adds the `required`\n *                                {@link ngModel.NgModelController#$validators `validator`}.\n *\n * @description\n *\n * ngRequired adds the required {@link ngModel.NgModelController#$validators `validator`} to {@link ngModel `ngModel`}.\n * It is most often used for {@link input `input`} and {@link select `select`} controls, but can also be\n * applied to custom controls.\n *\n * The directive sets the `required` attribute on the element if the AngularJS expression inside\n * `ngRequired` evaluates to true. A special directive for setting `required` is necessary because we\n * cannot use interpolation inside `required`. See the {@link guide/interpolation interpolation guide}\n * for more info.\n *\n * The validator will set the `required` error key to true if the `required` attribute is set and\n * calling {@link ngModel.NgModelController#$isEmpty `NgModelController.$isEmpty`} with the\n * {@link ngModel.NgModelController#$viewValue `ngModel.$viewValue`} returns `true`. For example, the\n * `$isEmpty()` implementation for `input[text]` checks the length of the `$viewValue`. When developing\n * custom controls, `$isEmpty()` can be overwritten to account for a $viewValue that is not string-based.\n *\n * @example\n * <example name=\"ngRequiredDirective\" module=\"ngRequiredExample\">\n *   <file name=\"index.html\">\n *     <script>\n *       angular.module('ngRequiredExample', [])\n *         .controller('ExampleController', ['$scope', function($scope) {\n *           $scope.required = true;\n *         }]);\n *     </script>\n *     <div ng-controller=\"ExampleController\">\n *       <form name=\"form\">\n *         <label for=\"required\">Toggle required: </label>\n *         <input type=\"checkbox\" ng-model=\"required\" id=\"required\" />\n *         <br>\n *         <label for=\"input\">This input must be filled if `required` is true: </label>\n *         <input type=\"text\" ng-model=\"model\" id=\"input\" name=\"input\" ng-required=\"required\" /><br>\n *         <hr>\n *         required error set? = <code>{{form.input.$error.required}}</code><br>\n *         model = <code>{{model}}</code>\n *       </form>\n *     </div>\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n       var required = element(by.binding('form.input.$error.required'));\n       var model = element(by.binding('model'));\n       var input = element(by.id('input'));\n\n       it('should set the required error', function() {\n         expect(required.getText()).toContain('true');\n\n         input.sendKeys('123');\n         expect(required.getText()).not.toContain('true');\n         expect(model.getText()).toContain('123');\n       });\n *   </file>\n * </example>\n */\nvar requiredDirective = ['$parse', function($parse) {\n  return {\n    restrict: 'A',\n    require: '?ngModel',\n    link: function(scope, elm, attr, ctrl) {\n      if (!ctrl) return;\n      // For boolean attributes like required, presence means true\n      var value = attr.hasOwnProperty('required') || $parse(attr.ngRequired)(scope);\n\n      if (!attr.ngRequired) {\n        // force truthy in case we are on non input element\n        // (input elements do this automatically for boolean attributes like required)\n        attr.required = true;\n      }\n\n      ctrl.$validators.required = function(modelValue, viewValue) {\n        return !value || !ctrl.$isEmpty(viewValue);\n      };\n\n      attr.$observe('required', function(newVal) {\n\n        if (value !== newVal) {\n          value = newVal;\n          ctrl.$validate();\n        }\n      });\n    }\n  };\n}];\n\n/**\n * @ngdoc directive\n * @name ngPattern\n * @restrict A\n *\n * @param {expression|RegExp} ngPattern AngularJS expression that must evaluate to a `RegExp` or a `String`\n *                                      parsable into a `RegExp`, or a `RegExp` literal. See above for\n *                                      more details.\n *\n * @description\n *\n * ngPattern adds the pattern {@link ngModel.NgModelController#$validators `validator`} to {@link ngModel `ngModel`}.\n * It is most often used for text-based {@link input `input`} controls, but can also be applied to custom text-based controls.\n *\n * The validator sets the `pattern` error key if the {@link ngModel.NgModelController#$viewValue `ngModel.$viewValue`}\n * does not match a RegExp which is obtained from the `ngPattern` attribute value:\n * - the value is an AngularJS expression:\n *   - If the expression evaluates to a RegExp object, then this is used directly.\n *   - If the expression evaluates to a string, then it will be converted to a RegExp after wrapping it\n *     in `^` and `$` characters. For instance, `\"abc\"` will be converted to `new RegExp('^abc$')`.\n * - If the value is a RegExp literal, e.g. `ngPattern=\"/^\\d+$/\"`, it is used directly.\n *\n * <div class=\"alert alert-info\">\n * **Note:** Avoid using the `g` flag on the RegExp, as it will cause each successive search to\n * start at the index of the last search's match, thus not taking the whole input value into\n * account.\n * </div>\n *\n * <div class=\"alert alert-info\">\n * **Note:** This directive is also added when the plain `pattern` attribute is used, with two\n * differences:\n * <ol>\n *   <li>\n *     `ngPattern` does not set the `pattern` attribute and therefore HTML5 constraint validation is\n *     not available.\n *   </li>\n *   <li>\n *     The `ngPattern` attribute must be an expression, while the `pattern` value must be\n *     interpolated.\n *   </li>\n * </ol>\n * </div>\n *\n * @example\n * <example name=\"ngPatternDirective\" module=\"ngPatternExample\">\n *   <file name=\"index.html\">\n *     <script>\n *       angular.module('ngPatternExample', [])\n *         .controller('ExampleController', ['$scope', function($scope) {\n *           $scope.regex = '\\\\d+';\n *         }]);\n *     </script>\n *     <div ng-controller=\"ExampleController\">\n *       <form name=\"form\">\n *         <label for=\"regex\">Set a pattern (regex string): </label>\n *         <input type=\"text\" ng-model=\"regex\" id=\"regex\" />\n *         <br>\n *         <label for=\"input\">This input is restricted by the current pattern: </label>\n *         <input type=\"text\" ng-model=\"model\" id=\"input\" name=\"input\" ng-pattern=\"regex\" /><br>\n *         <hr>\n *         input valid? = <code>{{form.input.$valid}}</code><br>\n *         model = <code>{{model}}</code>\n *       </form>\n *     </div>\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n       var model = element(by.binding('model'));\n       var input = element(by.id('input'));\n\n       it('should validate the input with the default pattern', function() {\n         input.sendKeys('aaa');\n         expect(model.getText()).not.toContain('aaa');\n\n         input.clear().then(function() {\n           input.sendKeys('123');\n           expect(model.getText()).toContain('123');\n         });\n       });\n *   </file>\n * </example>\n */\nvar patternDirective = ['$parse', function($parse) {\n  return {\n    restrict: 'A',\n    require: '?ngModel',\n    compile: function(tElm, tAttr) {\n      var patternExp;\n      var parseFn;\n\n      if (tAttr.ngPattern) {\n        patternExp = tAttr.ngPattern;\n\n        // ngPattern might be a scope expression, or an inlined regex, which is not parsable.\n        // We get value of the attribute here, so we can compare the old and the new value\n        // in the observer to avoid unnecessary validations\n        if (tAttr.ngPattern.charAt(0) === '/' && REGEX_STRING_REGEXP.test(tAttr.ngPattern)) {\n          parseFn = function() { return tAttr.ngPattern; };\n        } else {\n          parseFn = $parse(tAttr.ngPattern);\n        }\n      }\n\n      return function(scope, elm, attr, ctrl) {\n        if (!ctrl) return;\n\n        var attrVal = attr.pattern;\n\n        if (attr.ngPattern) {\n          attrVal = parseFn(scope);\n        } else {\n          patternExp = attr.pattern;\n        }\n\n        var regexp = parsePatternAttr(attrVal, patternExp, elm);\n\n        attr.$observe('pattern', function(newVal) {\n          var oldRegexp = regexp;\n\n          regexp = parsePatternAttr(newVal, patternExp, elm);\n\n          if ((oldRegexp && oldRegexp.toString()) !== (regexp && regexp.toString())) {\n            ctrl.$validate();\n          }\n        });\n\n        ctrl.$validators.pattern = function(modelValue, viewValue) {\n          // HTML5 pattern constraint validates the input value, so we validate the viewValue\n          return ctrl.$isEmpty(viewValue) || isUndefined(regexp) || regexp.test(viewValue);\n        };\n      };\n    }\n\n  };\n}];\n\n/**\n * @ngdoc directive\n * @name ngMaxlength\n * @restrict A\n *\n * @param {expression} ngMaxlength AngularJS expression that must evaluate to a `Number` or `String`\n *                                 parsable into a `Number`. Used as value for the `maxlength`\n *                                 {@link ngModel.NgModelController#$validators validator}.\n *\n * @description\n *\n * ngMaxlength adds the maxlength {@link ngModel.NgModelController#$validators `validator`} to {@link ngModel `ngModel`}.\n * It is most often used for text-based {@link input `input`} controls, but can also be applied to custom text-based controls.\n *\n * The validator sets the `maxlength` error key if the {@link ngModel.NgModelController#$viewValue `ngModel.$viewValue`}\n * is longer than the integer obtained by evaluating the AngularJS expression given in the\n * `ngMaxlength` attribute value.\n *\n * <div class=\"alert alert-info\">\n * **Note:** This directive is also added when the plain `maxlength` attribute is used, with two\n * differences:\n * <ol>\n *   <li>\n *     `ngMaxlength` does not set the `maxlength` attribute and therefore HTML5 constraint\n *     validation is not available.\n *   </li>\n *   <li>\n *     The `ngMaxlength` attribute must be an expression, while the `maxlength` value must be\n *     interpolated.\n *   </li>\n * </ol>\n * </div>\n *\n * @example\n * <example name=\"ngMaxlengthDirective\" module=\"ngMaxlengthExample\">\n *   <file name=\"index.html\">\n *     <script>\n *       angular.module('ngMaxlengthExample', [])\n *         .controller('ExampleController', ['$scope', function($scope) {\n *           $scope.maxlength = 5;\n *         }]);\n *     </script>\n *     <div ng-controller=\"ExampleController\">\n *       <form name=\"form\">\n *         <label for=\"maxlength\">Set a maxlength: </label>\n *         <input type=\"number\" ng-model=\"maxlength\" id=\"maxlength\" />\n *         <br>\n *         <label for=\"input\">This input is restricted by the current maxlength: </label>\n *         <input type=\"text\" ng-model=\"model\" id=\"input\" name=\"input\" ng-maxlength=\"maxlength\" /><br>\n *         <hr>\n *         input valid? = <code>{{form.input.$valid}}</code><br>\n *         model = <code>{{model}}</code>\n *       </form>\n *     </div>\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n       var model = element(by.binding('model'));\n       var input = element(by.id('input'));\n\n       it('should validate the input with the default maxlength', function() {\n         input.sendKeys('abcdef');\n         expect(model.getText()).not.toContain('abcdef');\n\n         input.clear().then(function() {\n           input.sendKeys('abcde');\n           expect(model.getText()).toContain('abcde');\n         });\n       });\n *   </file>\n * </example>\n */\nvar maxlengthDirective = ['$parse', function($parse) {\n  return {\n    restrict: 'A',\n    require: '?ngModel',\n    link: function(scope, elm, attr, ctrl) {\n      if (!ctrl) return;\n\n      var maxlength = attr.maxlength || $parse(attr.ngMaxlength)(scope);\n      var maxlengthParsed = parseLength(maxlength);\n\n      attr.$observe('maxlength', function(value) {\n        if (maxlength !== value) {\n          maxlengthParsed = parseLength(value);\n          maxlength = value;\n          ctrl.$validate();\n        }\n      });\n      ctrl.$validators.maxlength = function(modelValue, viewValue) {\n        return (maxlengthParsed < 0) || ctrl.$isEmpty(viewValue) || (viewValue.length <= maxlengthParsed);\n      };\n    }\n  };\n}];\n\n/**\n * @ngdoc directive\n * @name ngMinlength\n * @restrict A\n *\n * @param {expression} ngMinlength AngularJS expression that must evaluate to a `Number` or `String`\n *                                 parsable into a `Number`. Used as value for the `minlength`\n *                                 {@link ngModel.NgModelController#$validators validator}.\n *\n * @description\n *\n * ngMinlength adds the minlength {@link ngModel.NgModelController#$validators `validator`} to {@link ngModel `ngModel`}.\n * It is most often used for text-based {@link input `input`} controls, but can also be applied to custom text-based controls.\n *\n * The validator sets the `minlength` error key if the {@link ngModel.NgModelController#$viewValue `ngModel.$viewValue`}\n * is shorter than the integer obtained by evaluating the AngularJS expression given in the\n * `ngMinlength` attribute value.\n *\n * <div class=\"alert alert-info\">\n * **Note:** This directive is also added when the plain `minlength` attribute is used, with two\n * differences:\n * <ol>\n *   <li>\n *     `ngMinlength` does not set the `minlength` attribute and therefore HTML5 constraint\n *     validation is not available.\n *   </li>\n *   <li>\n *     The `ngMinlength` value must be an expression, while the `minlength` value must be\n *     interpolated.\n *   </li>\n * </ol>\n * </div>\n *\n * @example\n * <example name=\"ngMinlengthDirective\" module=\"ngMinlengthExample\">\n *   <file name=\"index.html\">\n *     <script>\n *       angular.module('ngMinlengthExample', [])\n *         .controller('ExampleController', ['$scope', function($scope) {\n *           $scope.minlength = 3;\n *         }]);\n *     </script>\n *     <div ng-controller=\"ExampleController\">\n *       <form name=\"form\">\n *         <label for=\"minlength\">Set a minlength: </label>\n *         <input type=\"number\" ng-model=\"minlength\" id=\"minlength\" />\n *         <br>\n *         <label for=\"input\">This input is restricted by the current minlength: </label>\n *         <input type=\"text\" ng-model=\"model\" id=\"input\" name=\"input\" ng-minlength=\"minlength\" /><br>\n *         <hr>\n *         input valid? = <code>{{form.input.$valid}}</code><br>\n *         model = <code>{{model}}</code>\n *       </form>\n *     </div>\n *   </file>\n *   <file name=\"protractor.js\" type=\"protractor\">\n       var model = element(by.binding('model'));\n       var input = element(by.id('input'));\n\n       it('should validate the input with the default minlength', function() {\n         input.sendKeys('ab');\n         expect(model.getText()).not.toContain('ab');\n\n         input.sendKeys('abc');\n         expect(model.getText()).toContain('abc');\n       });\n *   </file>\n * </example>\n */\nvar minlengthDirective = ['$parse', function($parse) {\n  return {\n    restrict: 'A',\n    require: '?ngModel',\n    link: function(scope, elm, attr, ctrl) {\n      if (!ctrl) return;\n\n      var minlength = attr.minlength || $parse(attr.ngMinlength)(scope);\n      var minlengthParsed = parseLength(minlength) || -1;\n\n      attr.$observe('minlength', function(value) {\n        if (minlength !== value) {\n          minlengthParsed = parseLength(value) || -1;\n          minlength = value;\n          ctrl.$validate();\n        }\n\n      });\n      ctrl.$validators.minlength = function(modelValue, viewValue) {\n        return ctrl.$isEmpty(viewValue) || viewValue.length >= minlengthParsed;\n      };\n    }\n  };\n}];\n\n\nfunction parsePatternAttr(regex, patternExp, elm) {\n  if (!regex) return undefined;\n\n  if (isString(regex)) {\n    regex = new RegExp('^' + regex + '$');\n  }\n\n  if (!regex.test) {\n    throw minErr('ngPattern')('noregexp',\n      'Expected {0} to be a RegExp but was {1}. Element: {2}', patternExp,\n      regex, startingTag(elm));\n  }\n\n  return regex;\n}\n\nfunction parseLength(val) {\n  var intVal = toInt(val);\n  return isNumberNaN(intVal) ? -1 : intVal;\n}\n\nif (window.angular.bootstrap) {\n  // AngularJS is already loaded, so we can return here...\n  if (window.console) {\n    console.log('WARNING: Tried to load AngularJS more than once.');\n  }\n  return;\n}\n\n// try to bind to jquery now so that one can write jqLite(fn)\n// but we will rebind on bootstrap again.\nbindJQuery();\n\npublishExternalAPI(angular);\n\nangular.module(\"ngLocale\", [], [\"$provide\", function($provide) {\nvar PLURAL_CATEGORY = {ZERO: \"zero\", ONE: \"one\", TWO: \"two\", FEW: \"few\", MANY: \"many\", OTHER: \"other\"};\nfunction getDecimals(n) {\n  n = n + '';\n  var i = n.indexOf('.');\n  return (i == -1) ? 0 : n.length - i - 1;\n}\n\nfunction getVF(n, opt_precision) {\n  var v = opt_precision;\n\n  if (undefined === v) {\n    v = Math.min(getDecimals(n), 3);\n  }\n\n  var base = Math.pow(10, v);\n  var f = ((n * base) | 0) % base;\n  return {v: v, f: f};\n}\n\n$provide.value(\"$locale\", {\n  \"DATETIME_FORMATS\": {\n    \"AMPMS\": [\n      \"AM\",\n      \"PM\"\n    ],\n    \"DAY\": [\n      \"Sunday\",\n      \"Monday\",\n      \"Tuesday\",\n      \"Wednesday\",\n      \"Thursday\",\n      \"Friday\",\n      \"Saturday\"\n    ],\n    \"ERANAMES\": [\n      \"Before Christ\",\n      \"Anno Domini\"\n    ],\n    \"ERAS\": [\n      \"BC\",\n      \"AD\"\n    ],\n    \"FIRSTDAYOFWEEK\": 6,\n    \"MONTH\": [\n      \"January\",\n      \"February\",\n      \"March\",\n      \"April\",\n      \"May\",\n      \"June\",\n      \"July\",\n      \"August\",\n      \"September\",\n      \"October\",\n      \"November\",\n      \"December\"\n    ],\n    \"SHORTDAY\": [\n      \"Sun\",\n      \"Mon\",\n      \"Tue\",\n      \"Wed\",\n      \"Thu\",\n      \"Fri\",\n      \"Sat\"\n    ],\n    \"SHORTMONTH\": [\n      \"Jan\",\n      \"Feb\",\n      \"Mar\",\n      \"Apr\",\n      \"May\",\n      \"Jun\",\n      \"Jul\",\n      \"Aug\",\n      \"Sep\",\n      \"Oct\",\n      \"Nov\",\n      \"Dec\"\n    ],\n    \"STANDALONEMONTH\": [\n      \"January\",\n      \"February\",\n      \"March\",\n      \"April\",\n      \"May\",\n      \"June\",\n      \"July\",\n      \"August\",\n      \"September\",\n      \"October\",\n      \"November\",\n      \"December\"\n    ],\n    \"WEEKENDRANGE\": [\n      5,\n      6\n    ],\n    \"fullDate\": \"EEEE, MMMM d, y\",\n    \"longDate\": \"MMMM d, y\",\n    \"medium\": \"MMM d, y h:mm:ss a\",\n    \"mediumDate\": \"MMM d, y\",\n    \"mediumTime\": \"h:mm:ss a\",\n    \"short\": \"M/d/yy h:mm a\",\n    \"shortDate\": \"M/d/yy\",\n    \"shortTime\": \"h:mm a\"\n  },\n  \"NUMBER_FORMATS\": {\n    \"CURRENCY_SYM\": \"$\",\n    \"DECIMAL_SEP\": \".\",\n    \"GROUP_SEP\": \",\",\n    \"PATTERNS\": [\n      {\n        \"gSize\": 3,\n        \"lgSize\": 3,\n        \"maxFrac\": 3,\n        \"minFrac\": 0,\n        \"minInt\": 1,\n        \"negPre\": \"-\",\n        \"negSuf\": \"\",\n        \"posPre\": \"\",\n        \"posSuf\": \"\"\n      },\n      {\n        \"gSize\": 3,\n        \"lgSize\": 3,\n        \"maxFrac\": 2,\n        \"minFrac\": 2,\n        \"minInt\": 1,\n        \"negPre\": \"-\\u00a4\",\n        \"negSuf\": \"\",\n        \"posPre\": \"\\u00a4\",\n        \"posSuf\": \"\"\n      }\n    ]\n  },\n  \"id\": \"en-us\",\n  \"localeID\": \"en_US\",\n  \"pluralCat\": function(n, opt_precision) {  var i = n | 0;  var vf = getVF(n, opt_precision);  if (i == 1 && vf.v == 0) {    return PLURAL_CATEGORY.ONE;  }  return PLURAL_CATEGORY.OTHER;}\n});\n}]);\n\n  jqLite(function() {\n    angularInit(window.document, bootstrap);\n  });\n\n})(window);\n\n!window.angular.$$csp().noInlineStyle && window.angular.element(document.head).prepend('<style type=\"text/css\">@charset \"UTF-8\";[ng\\\\:cloak],[ng-cloak],[data-ng-cloak],[x-ng-cloak],.ng-cloak,.x-ng-cloak,.ng-hide:not(.ng-hide-animate){display:none !important;}ng\\\\:form{display:block;}.ng-animate-shim{visibility:hidden;}.ng-anchor{position:absolute;}</style>');","import { Observable, ReplaySubject } from 'rxjs'\n\ninterface SubjectAndObservable { observable: Observable<any>; subject: ReplaySubject<any> }\ntype ComponentSubjectsAndObservables = Map<string, SubjectAndObservable>\n\nconst subjectsAndObservables = new WeakMap<Object, ComponentSubjectsAndObservables>()\n\nconst getComponentSubjectsAndObservables = (instance: Object): ComponentSubjectsAndObservables => {\n  const componentSubjectsAndObservables: ComponentSubjectsAndObservables = subjectsAndObservables.get(instance)\n  if (componentSubjectsAndObservables) {\n    return componentSubjectsAndObservables\n  }\n  const newComponentSubjectsAndObservables: ComponentSubjectsAndObservables = new Map()\n  subjectsAndObservables.set(instance, newComponentSubjectsAndObservables)\n  return newComponentSubjectsAndObservables\n}\n\nconst getSubjectAndObservable = (instance: Object, propertyKey: string): SubjectAndObservable => {\n  const componentSubjectsAndObservables = getComponentSubjectsAndObservables(instance)\n  const subjectAndObservable = componentSubjectsAndObservables.get(propertyKey)\n  if (subjectAndObservable) {\n    return subjectAndObservable\n  }\n  const subject = new ReplaySubject<any>(1)\n  const newSubjectAndObservable = { observable: subject.asObservable(), subject }\n  componentSubjectsAndObservables.set(propertyKey, newSubjectAndObservable)\n  return newSubjectAndObservable\n}\n\nexport function ObservableInput() {\n  return (target, propertyKey) => {\n    delete target[propertyKey]\n\n    Object.defineProperty(target, propertyKey, {\n      set(value) {\n        getSubjectAndObservable(this, propertyKey).subject.next(value)\n      },\n      get() {\n        return getSubjectAndObservable(this, propertyKey).observable\n      },\n    })\n  }\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { registerPreprocessor, registerProcessor, registerPostInit, registerPostUpdate, registerAction, registerCoordinateSystem, registerLayout, registerVisual, registerTransform, registerLoading, registerMap, PRIORITY } from './core/echarts';\nimport ComponentView from './view/Component';\nimport ChartView from './view/Chart';\nimport ComponentModel from './model/Component';\nimport SeriesModel from './model/Series';\nimport { isFunction, indexOf, isArray, each } from 'zrender/lib/core/util';\nimport { registerPainter } from 'zrender/lib/zrender';\nvar extensions = [];\nvar extensionRegisters = {\n  registerPreprocessor: registerPreprocessor,\n  registerProcessor: registerProcessor,\n  registerPostInit: registerPostInit,\n  registerPostUpdate: registerPostUpdate,\n  registerAction: registerAction,\n  registerCoordinateSystem: registerCoordinateSystem,\n  registerLayout: registerLayout,\n  registerVisual: registerVisual,\n  registerTransform: registerTransform,\n  registerLoading: registerLoading,\n  registerMap: registerMap,\n  PRIORITY: PRIORITY,\n  ComponentModel: ComponentModel,\n  ComponentView: ComponentView,\n  SeriesModel: SeriesModel,\n  ChartView: ChartView,\n  // TODO Use ComponentModel and SeriesModel instead of Constructor\n  registerComponentModel: function (ComponentModelClass) {\n    ComponentModel.registerClass(ComponentModelClass);\n  },\n  registerComponentView: function (ComponentViewClass) {\n    ComponentView.registerClass(ComponentViewClass);\n  },\n  registerSeriesModel: function (SeriesModelClass) {\n    SeriesModel.registerClass(SeriesModelClass);\n  },\n  registerChartView: function (ChartViewClass) {\n    ChartView.registerClass(ChartViewClass);\n  },\n  registerSubTypeDefaulter: function (componentType, defaulter) {\n    ComponentModel.registerSubTypeDefaulter(componentType, defaulter);\n  },\n  registerPainter: function (painterType, PainterCtor) {\n    registerPainter(painterType, PainterCtor);\n  }\n};\nexport function use(ext) {\n  if (isArray(ext)) {\n    // use([ChartLine, ChartBar]);\n    each(ext, function (singleExt) {\n      use(singleExt);\n    });\n    return;\n  }\n\n  if (indexOf(extensions, ext) >= 0) {\n    return;\n  }\n\n  extensions.push(ext);\n\n  if (isFunction(ext)) {\n    ext = {\n      install: ext\n    };\n  }\n\n  ext.install(extensionRegisters);\n}","var Browser = (function () {\n    function Browser() {\n        this.firefox = false;\n        this.ie = false;\n        this.edge = false;\n        this.newEdge = false;\n        this.weChat = false;\n    }\n    return Browser;\n}());\nvar Env = (function () {\n    function Env() {\n        this.browser = new Browser();\n        this.node = false;\n        this.wxa = false;\n        this.worker = false;\n        this.canvasSupported = false;\n        this.svgSupported = false;\n        this.touchEventsSupported = false;\n        this.pointerEventsSupported = false;\n        this.domSupported = false;\n        this.transformSupported = false;\n        this.transform3dSupported = false;\n    }\n    return Env;\n}());\nvar env = new Env();\nif (typeof wx === 'object' && typeof wx.getSystemInfoSync === 'function') {\n    env.wxa = true;\n    env.canvasSupported = true;\n    env.touchEventsSupported = true;\n}\nelse if (typeof document === 'undefined' && typeof self !== 'undefined') {\n    env.worker = true;\n    env.canvasSupported = true;\n}\nelse if (typeof navigator === 'undefined') {\n    env.node = true;\n    env.canvasSupported = true;\n    env.svgSupported = true;\n}\nelse {\n    detect(navigator.userAgent, env);\n}\nfunction detect(ua, env) {\n    var browser = env.browser;\n    var firefox = ua.match(/Firefox\\/([\\d.]+)/);\n    var ie = ua.match(/MSIE\\s([\\d.]+)/)\n        || ua.match(/Trident\\/.+?rv:(([\\d.]+))/);\n    var edge = ua.match(/Edge?\\/([\\d.]+)/);\n    var weChat = (/micromessenger/i).test(ua);\n    if (firefox) {\n        browser.firefox = true;\n        browser.version = firefox[1];\n    }\n    if (ie) {\n        browser.ie = true;\n        browser.version = ie[1];\n    }\n    if (edge) {\n        browser.edge = true;\n        browser.version = edge[1];\n        browser.newEdge = +edge[1].split('.')[0] > 18;\n    }\n    if (weChat) {\n        browser.weChat = true;\n    }\n    env.canvasSupported = !!document.createElement('canvas').getContext;\n    env.svgSupported = typeof SVGRect !== 'undefined';\n    env.touchEventsSupported = 'ontouchstart' in window && !browser.ie && !browser.edge;\n    env.pointerEventsSupported = 'onpointerdown' in window\n        && (browser.edge || (browser.ie && +browser.version >= 11));\n    env.domSupported = typeof document !== 'undefined';\n    var style = document.documentElement.style;\n    env.transform3dSupported = ((browser.ie && 'transition' in style)\n        || browser.edge\n        || (('WebKitCSSMatrix' in window) && ('m11' in new WebKitCSSMatrix()))\n        || 'MozPerspective' in style)\n        && !('OTransition' in style);\n    env.transformSupported = env.transform3dSupported\n        || (browser.ie && +browser.version >= 9);\n}\nexport default env;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as pathTool from 'zrender/lib/tool/path';\nimport * as matrix from 'zrender/lib/core/matrix';\nimport * as vector from 'zrender/lib/core/vector';\nimport Path from 'zrender/lib/graphic/Path';\nimport Transformable from 'zrender/lib/core/Transformable';\nimport ZRImage from 'zrender/lib/graphic/Image';\nimport Group from 'zrender/lib/graphic/Group';\nimport ZRText from 'zrender/lib/graphic/Text';\nimport Circle from 'zrender/lib/graphic/shape/Circle';\nimport Ellipse from 'zrender/lib/graphic/shape/Ellipse';\nimport Sector from 'zrender/lib/graphic/shape/Sector';\nimport Ring from 'zrender/lib/graphic/shape/Ring';\nimport Polygon from 'zrender/lib/graphic/shape/Polygon';\nimport Polyline from 'zrender/lib/graphic/shape/Polyline';\nimport Rect from 'zrender/lib/graphic/shape/Rect';\nimport Line from 'zrender/lib/graphic/shape/Line';\nimport BezierCurve from 'zrender/lib/graphic/shape/BezierCurve';\nimport Arc from 'zrender/lib/graphic/shape/Arc';\nimport CompoundPath from 'zrender/lib/graphic/CompoundPath';\nimport LinearGradient from 'zrender/lib/graphic/LinearGradient';\nimport RadialGradient from 'zrender/lib/graphic/RadialGradient';\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport OrientedBoundingRect from 'zrender/lib/core/OrientedBoundingRect';\nimport Point from 'zrender/lib/core/Point';\nimport IncrementalDisplayable from 'zrender/lib/graphic/IncrementalDisplayable';\nimport * as subPixelOptimizeUtil from 'zrender/lib/graphic/helper/subPixelOptimize';\nimport { extend, isArrayLike, map, defaults, isObject, retrieve2, isString, keys, each, hasOwn } from 'zrender/lib/core/util';\nimport { getECData } from './innerStore';\nvar mathMax = Math.max;\nvar mathMin = Math.min;\nvar _customShapeMap = {};\n/**\n * Extend shape with parameters\n */\n\nexport function extendShape(opts) {\n  return Path.extend(opts);\n}\nvar extendPathFromString = pathTool.extendFromString;\n/**\n * Extend path\n */\n\nexport function extendPath(pathData, opts) {\n  return extendPathFromString(pathData, opts);\n}\n/**\n * Register a user defined shape.\n * The shape class can be fetched by `getShapeClass`\n * This method will overwrite the registered shapes, including\n * the registered built-in shapes, if using the same `name`.\n * The shape can be used in `custom series` and\n * `graphic component` by declaring `{type: name}`.\n *\n * @param name\n * @param ShapeClass Can be generated by `extendShape`.\n */\n\nexport function registerShape(name, ShapeClass) {\n  _customShapeMap[name] = ShapeClass;\n}\n/**\n * Find shape class registered by `registerShape`. Usually used in\n * fetching user defined shape.\n *\n * [Caution]:\n * (1) This method **MUST NOT be used inside echarts !!!**, unless it is prepared\n * to use user registered shapes.\n * Because the built-in shape (see `getBuiltInShape`) will be registered by\n * `registerShape` by default. That enables users to get both built-in\n * shapes as well as the shapes belonging to themsleves. But users can overwrite\n * the built-in shapes by using names like 'circle', 'rect' via calling\n * `registerShape`. So the echarts inner featrues should not fetch shapes from here\n * in case that it is overwritten by users, except that some features, like\n * `custom series`, `graphic component`, do it deliberately.\n *\n * (2) In the features like `custom series`, `graphic component`, the user input\n * `{tpye: 'xxx'}` does not only specify shapes but also specify other graphic\n * elements like `'group'`, `'text'`, `'image'` or event `'path'`. Those names\n * are reserved names, that is, if some user register a shape named `'image'`,\n * the shape will not be used. If we intending to add some more reserved names\n * in feature, that might bring break changes (disable some existing user shape\n * names). But that case probably rearly happen. So we dont make more mechanism\n * to resolve this issue here.\n *\n * @param name\n * @return The shape class. If not found, return nothing.\n */\n\nexport function getShapeClass(name) {\n  if (_customShapeMap.hasOwnProperty(name)) {\n    return _customShapeMap[name];\n  }\n}\n/**\n * Create a path element from path data string\n * @param pathData\n * @param opts\n * @param rect\n * @param layout 'center' or 'cover' default to be cover\n */\n\nexport function makePath(pathData, opts, rect, layout) {\n  var path = pathTool.createFromString(pathData, opts);\n\n  if (rect) {\n    if (layout === 'center') {\n      rect = centerGraphic(rect, path.getBoundingRect());\n    }\n\n    resizePath(path, rect);\n  }\n\n  return path;\n}\n/**\n * Create a image element from image url\n * @param imageUrl image url\n * @param opts options\n * @param rect constrain rect\n * @param layout 'center' or 'cover'. Default to be 'cover'\n */\n\nexport function makeImage(imageUrl, rect, layout) {\n  var zrImg = new ZRImage({\n    style: {\n      image: imageUrl,\n      x: rect.x,\n      y: rect.y,\n      width: rect.width,\n      height: rect.height\n    },\n    onload: function (img) {\n      if (layout === 'center') {\n        var boundingRect = {\n          width: img.width,\n          height: img.height\n        };\n        zrImg.setStyle(centerGraphic(rect, boundingRect));\n      }\n    }\n  });\n  return zrImg;\n}\n/**\n * Get position of centered element in bounding box.\n *\n * @param  rect         element local bounding box\n * @param  boundingRect constraint bounding box\n * @return element position containing x, y, width, and height\n */\n\nfunction centerGraphic(rect, boundingRect) {\n  // Set rect to center, keep width / height ratio.\n  var aspect = boundingRect.width / boundingRect.height;\n  var width = rect.height * aspect;\n  var height;\n\n  if (width <= rect.width) {\n    height = rect.height;\n  } else {\n    width = rect.width;\n    height = width / aspect;\n  }\n\n  var cx = rect.x + rect.width / 2;\n  var cy = rect.y + rect.height / 2;\n  return {\n    x: cx - width / 2,\n    y: cy - height / 2,\n    width: width,\n    height: height\n  };\n}\n\nexport var mergePath = pathTool.mergePath;\n/**\n * Resize a path to fit the rect\n * @param path\n * @param rect\n */\n\nexport function resizePath(path, rect) {\n  if (!path.applyTransform) {\n    return;\n  }\n\n  var pathRect = path.getBoundingRect();\n  var m = pathRect.calculateTransform(rect);\n  path.applyTransform(m);\n}\n/**\n * Sub pixel optimize line for canvas\n */\n\nexport function subPixelOptimizeLine(param) {\n  subPixelOptimizeUtil.subPixelOptimizeLine(param.shape, param.shape, param.style);\n  return param;\n}\n/**\n * Sub pixel optimize rect for canvas\n */\n\nexport function subPixelOptimizeRect(param) {\n  subPixelOptimizeUtil.subPixelOptimizeRect(param.shape, param.shape, param.style);\n  return param;\n}\n/**\n * Sub pixel optimize for canvas\n *\n * @param position Coordinate, such as x, y\n * @param lineWidth Should be nonnegative integer.\n * @param positiveOrNegative Default false (negative).\n * @return Optimized position.\n */\n\nexport var subPixelOptimize = subPixelOptimizeUtil.subPixelOptimize;\n\nfunction animateOrSetProps(animationType, el, props, animatableModel, dataIndex, cb, during) {\n  var isFrom = false;\n  var removeOpt;\n\n  if (typeof dataIndex === 'function') {\n    during = cb;\n    cb = dataIndex;\n    dataIndex = null;\n  } else if (isObject(dataIndex)) {\n    cb = dataIndex.cb;\n    during = dataIndex.during;\n    isFrom = dataIndex.isFrom;\n    removeOpt = dataIndex.removeOpt;\n    dataIndex = dataIndex.dataIndex;\n  }\n\n  var isUpdate = animationType === 'update';\n  var isRemove = animationType === 'remove';\n  var animationPayload; // Check if there is global animation configuration from dataZoom/resize can override the config in option.\n  // If animation is enabled. Will use this animation config in payload.\n  // If animation is disabled. Just ignore it.\n\n  if (animatableModel && animatableModel.ecModel) {\n    var updatePayload = animatableModel.ecModel.getUpdatePayload();\n    animationPayload = updatePayload && updatePayload.animation;\n  }\n\n  var animationEnabled = animatableModel && animatableModel.isAnimationEnabled();\n\n  if (!isRemove) {\n    // Must stop the remove animation.\n    el.stopAnimation('remove');\n  }\n\n  if (animationEnabled) {\n    var duration = void 0;\n    var animationEasing = void 0;\n    var animationDelay = void 0;\n\n    if (animationPayload) {\n      duration = animationPayload.duration || 0;\n      animationEasing = animationPayload.easing || 'cubicOut';\n      animationDelay = animationPayload.delay || 0;\n    } else if (isRemove) {\n      removeOpt = removeOpt || {};\n      duration = retrieve2(removeOpt.duration, 200);\n      animationEasing = retrieve2(removeOpt.easing, 'cubicOut');\n      animationDelay = 0;\n    } else {\n      duration = animatableModel.getShallow(isUpdate ? 'animationDurationUpdate' : 'animationDuration');\n      animationEasing = animatableModel.getShallow(isUpdate ? 'animationEasingUpdate' : 'animationEasing');\n      animationDelay = animatableModel.getShallow(isUpdate ? 'animationDelayUpdate' : 'animationDelay');\n    }\n\n    if (typeof animationDelay === 'function') {\n      animationDelay = animationDelay(dataIndex, animatableModel.getAnimationDelayParams ? animatableModel.getAnimationDelayParams(el, dataIndex) : null);\n    }\n\n    if (typeof duration === 'function') {\n      duration = duration(dataIndex);\n    }\n\n    duration > 0 ? isFrom ? el.animateFrom(props, {\n      duration: duration,\n      delay: animationDelay || 0,\n      easing: animationEasing,\n      done: cb,\n      force: !!cb || !!during,\n      scope: animationType,\n      during: during\n    }) : el.animateTo(props, {\n      duration: duration,\n      delay: animationDelay || 0,\n      easing: animationEasing,\n      done: cb,\n      force: !!cb || !!during,\n      setToFinal: true,\n      scope: animationType,\n      during: during\n    }) : ( // FIXME:\n    // If `duration` is 0, only the animation on props\n    // can be stoped, other animation should be continued?\n    // But at present using duration 0 in `animateTo`, `animateFrom`\n    // might cause unexpected behavior.\n    el.stopAnimation(), // If `isFrom`, the props is the \"from\" props.\n    !isFrom && el.attr(props), cb && cb());\n  } else {\n    el.stopAnimation();\n    !isFrom && el.attr(props); // Call during once.\n\n    during && during(1);\n    cb && cb();\n  }\n}\n/**\n * Update graphic element properties with or without animation according to the\n * configuration in series.\n *\n * Caution: this method will stop previous animation.\n * So do not use this method to one element twice before\n * animation starts, unless you know what you are doing.\n * @example\n *     graphic.updateProps(el, {\n *         position: [100, 100]\n *     }, seriesModel, dataIndex, function () { console.log('Animation done!'); });\n *     // Or\n *     graphic.updateProps(el, {\n *         position: [100, 100]\n *     }, seriesModel, function () { console.log('Animation done!'); });\n */\n\n\nfunction updateProps(el, props, // TODO: TYPE AnimatableModel\nanimatableModel, dataIndex, cb, during) {\n  animateOrSetProps('update', el, props, animatableModel, dataIndex, cb, during);\n}\n\nexport { updateProps };\n/**\n * Init graphic element properties with or without animation according to the\n * configuration in series.\n *\n * Caution: this method will stop previous animation.\n * So do not use this method to one element twice before\n * animation starts, unless you know what you are doing.\n */\n\nexport function initProps(el, props, animatableModel, dataIndex, cb, during) {\n  animateOrSetProps('init', el, props, animatableModel, dataIndex, cb, during);\n}\n/**\n * Remove graphic element\n */\n\nexport function removeElement(el, props, animatableModel, dataIndex, cb, during) {\n  // Don't do remove animation twice.\n  if (isElementRemoved(el)) {\n    return;\n  }\n\n  animateOrSetProps('remove', el, props, animatableModel, dataIndex, cb, during);\n}\n\nfunction fadeOutDisplayable(el, animatableModel, dataIndex, done) {\n  el.removeTextContent();\n  el.removeTextGuideLine();\n  removeElement(el, {\n    style: {\n      opacity: 0\n    }\n  }, animatableModel, dataIndex, done);\n}\n\nexport function removeElementWithFadeOut(el, animatableModel, dataIndex) {\n  function doRemove() {\n    el.parent && el.parent.remove(el);\n  } // Hide label and labelLine first\n  // TODO Also use fade out animation?\n\n\n  if (!el.isGroup) {\n    fadeOutDisplayable(el, animatableModel, dataIndex, doRemove);\n  } else {\n    el.traverse(function (disp) {\n      if (!disp.isGroup) {\n        // Can invoke doRemove multiple times.\n        fadeOutDisplayable(disp, animatableModel, dataIndex, doRemove);\n      }\n    });\n  }\n}\n/**\n * If element is removed.\n * It can determine if element is having remove animation.\n */\n\nexport function isElementRemoved(el) {\n  if (!el.__zr) {\n    return true;\n  }\n\n  for (var i = 0; i < el.animators.length; i++) {\n    var animator = el.animators[i];\n\n    if (animator.scope === 'remove') {\n      return true;\n    }\n  }\n\n  return false;\n}\n/**\n * Get transform matrix of target (param target),\n * in coordinate of its ancestor (param ancestor)\n *\n * @param target\n * @param [ancestor]\n */\n\nexport function getTransform(target, ancestor) {\n  var mat = matrix.identity([]);\n\n  while (target && target !== ancestor) {\n    matrix.mul(mat, target.getLocalTransform(), mat);\n    target = target.parent;\n  }\n\n  return mat;\n}\n/**\n * Apply transform to an vertex.\n * @param target [x, y]\n * @param transform Can be:\n *      + Transform matrix: like [1, 0, 0, 1, 0, 0]\n *      + {position, rotation, scale}, the same as `zrender/Transformable`.\n * @param invert Whether use invert matrix.\n * @return [x, y]\n */\n\nexport function applyTransform(target, transform, invert) {\n  if (transform && !isArrayLike(transform)) {\n    transform = Transformable.getLocalTransform(transform);\n  }\n\n  if (invert) {\n    transform = matrix.invert([], transform);\n  }\n\n  return vector.applyTransform([], target, transform);\n}\n/**\n * @param direction 'left' 'right' 'top' 'bottom'\n * @param transform Transform matrix: like [1, 0, 0, 1, 0, 0]\n * @param invert Whether use invert matrix.\n * @return Transformed direction. 'left' 'right' 'top' 'bottom'\n */\n\nexport function transformDirection(direction, transform, invert) {\n  // Pick a base, ensure that transform result will not be (0, 0).\n  var hBase = transform[4] === 0 || transform[5] === 0 || transform[0] === 0 ? 1 : Math.abs(2 * transform[4] / transform[0]);\n  var vBase = transform[4] === 0 || transform[5] === 0 || transform[2] === 0 ? 1 : Math.abs(2 * transform[4] / transform[2]);\n  var vertex = [direction === 'left' ? -hBase : direction === 'right' ? hBase : 0, direction === 'top' ? -vBase : direction === 'bottom' ? vBase : 0];\n  vertex = applyTransform(vertex, transform, invert);\n  return Math.abs(vertex[0]) > Math.abs(vertex[1]) ? vertex[0] > 0 ? 'right' : 'left' : vertex[1] > 0 ? 'bottom' : 'top';\n}\n\nfunction isNotGroup(el) {\n  return !el.isGroup;\n}\n\nfunction isPath(el) {\n  return el.shape != null;\n}\n/**\n * Apply group transition animation from g1 to g2.\n * If no animatableModel, no animation.\n */\n\n\nexport function groupTransition(g1, g2, animatableModel) {\n  if (!g1 || !g2) {\n    return;\n  }\n\n  function getElMap(g) {\n    var elMap = {};\n    g.traverse(function (el) {\n      if (isNotGroup(el) && el.anid) {\n        elMap[el.anid] = el;\n      }\n    });\n    return elMap;\n  }\n\n  function getAnimatableProps(el) {\n    var obj = {\n      x: el.x,\n      y: el.y,\n      rotation: el.rotation\n    };\n\n    if (isPath(el)) {\n      obj.shape = extend({}, el.shape);\n    }\n\n    return obj;\n  }\n\n  var elMap1 = getElMap(g1);\n  g2.traverse(function (el) {\n    if (isNotGroup(el) && el.anid) {\n      var oldEl = elMap1[el.anid];\n\n      if (oldEl) {\n        var newProp = getAnimatableProps(el);\n        el.attr(getAnimatableProps(oldEl));\n        updateProps(el, newProp, animatableModel, getECData(el).dataIndex);\n      }\n    }\n  });\n}\nexport function clipPointsByRect(points, rect) {\n  // FIXME: this way migth be incorrect when grpahic clipped by a corner.\n  // and when element have border.\n  return map(points, function (point) {\n    var x = point[0];\n    x = mathMax(x, rect.x);\n    x = mathMin(x, rect.x + rect.width);\n    var y = point[1];\n    y = mathMax(y, rect.y);\n    y = mathMin(y, rect.y + rect.height);\n    return [x, y];\n  });\n}\n/**\n * Return a new clipped rect. If rect size are negative, return undefined.\n */\n\nexport function clipRectByRect(targetRect, rect) {\n  var x = mathMax(targetRect.x, rect.x);\n  var x2 = mathMin(targetRect.x + targetRect.width, rect.x + rect.width);\n  var y = mathMax(targetRect.y, rect.y);\n  var y2 = mathMin(targetRect.y + targetRect.height, rect.y + rect.height); // If the total rect is cliped, nothing, including the border,\n  // should be painted. So return undefined.\n\n  if (x2 >= x && y2 >= y) {\n    return {\n      x: x,\n      y: y,\n      width: x2 - x,\n      height: y2 - y\n    };\n  }\n}\nexport function createIcon(iconStr, // Support 'image://' or 'path://' or direct svg path.\nopt, rect) {\n  var innerOpts = extend({\n    rectHover: true\n  }, opt);\n  var style = innerOpts.style = {\n    strokeNoScale: true\n  };\n  rect = rect || {\n    x: -1,\n    y: -1,\n    width: 2,\n    height: 2\n  };\n\n  if (iconStr) {\n    return iconStr.indexOf('image://') === 0 ? (style.image = iconStr.slice(8), defaults(style, rect), new ZRImage(innerOpts)) : makePath(iconStr.replace('path://', ''), innerOpts, rect, 'center');\n  }\n}\n/**\n * Return `true` if the given line (line `a`) and the given polygon\n * are intersect.\n * Note that we do not count colinear as intersect here because no\n * requirement for that. We could do that if required in future.\n */\n\nexport function linePolygonIntersect(a1x, a1y, a2x, a2y, points) {\n  for (var i = 0, p2 = points[points.length - 1]; i < points.length; i++) {\n    var p = points[i];\n\n    if (lineLineIntersect(a1x, a1y, a2x, a2y, p[0], p[1], p2[0], p2[1])) {\n      return true;\n    }\n\n    p2 = p;\n  }\n}\n/**\n * Return `true` if the given two lines (line `a` and line `b`)\n * are intersect.\n * Note that we do not count colinear as intersect here because no\n * requirement for that. We could do that if required in future.\n */\n\nexport function lineLineIntersect(a1x, a1y, a2x, a2y, b1x, b1y, b2x, b2y) {\n  // let `vec_m` to be `vec_a2 - vec_a1` and `vec_n` to be `vec_b2 - vec_b1`.\n  var mx = a2x - a1x;\n  var my = a2y - a1y;\n  var nx = b2x - b1x;\n  var ny = b2y - b1y; // `vec_m` and `vec_n` are parallel iff\n  //     exising `k` such that `vec_m = k · vec_n`, equivalent to `vec_m X vec_n = 0`.\n\n  var nmCrossProduct = crossProduct2d(nx, ny, mx, my);\n\n  if (nearZero(nmCrossProduct)) {\n    return false;\n  } // `vec_m` and `vec_n` are intersect iff\n  //     existing `p` and `q` in [0, 1] such that `vec_a1 + p * vec_m = vec_b1 + q * vec_n`,\n  //     such that `q = ((vec_a1 - vec_b1) X vec_m) / (vec_n X vec_m)`\n  //           and `p = ((vec_a1 - vec_b1) X vec_n) / (vec_n X vec_m)`.\n\n\n  var b1a1x = a1x - b1x;\n  var b1a1y = a1y - b1y;\n  var q = crossProduct2d(b1a1x, b1a1y, mx, my) / nmCrossProduct;\n\n  if (q < 0 || q > 1) {\n    return false;\n  }\n\n  var p = crossProduct2d(b1a1x, b1a1y, nx, ny) / nmCrossProduct;\n\n  if (p < 0 || p > 1) {\n    return false;\n  }\n\n  return true;\n}\n/**\n * Cross product of 2-dimension vector.\n */\n\nfunction crossProduct2d(x1, y1, x2, y2) {\n  return x1 * y2 - x2 * y1;\n}\n\nfunction nearZero(val) {\n  return val <= 1e-6 && val >= -1e-6;\n}\n\nexport function setTooltipConfig(opt) {\n  var itemTooltipOption = opt.itemTooltipOption;\n  var componentModel = opt.componentModel;\n  var itemName = opt.itemName;\n  var itemTooltipOptionObj = isString(itemTooltipOption) ? {\n    formatter: itemTooltipOption\n  } : itemTooltipOption;\n  var mainType = componentModel.mainType;\n  var componentIndex = componentModel.componentIndex;\n  var formatterParams = {\n    componentType: mainType,\n    name: itemName,\n    $vars: ['name']\n  };\n  formatterParams[mainType + 'Index'] = componentIndex;\n  var formatterParamsExtra = opt.formatterParamsExtra;\n\n  if (formatterParamsExtra) {\n    each(keys(formatterParamsExtra), function (key) {\n      if (!hasOwn(formatterParams, key)) {\n        formatterParams[key] = formatterParamsExtra[key];\n        formatterParams.$vars.push(key);\n      }\n    });\n  }\n\n  var ecData = getECData(opt.el);\n  ecData.componentMainType = mainType;\n  ecData.componentIndex = componentIndex;\n  ecData.tooltipConfig = {\n    name: itemName,\n    option: defaults({\n      content: itemName,\n      formatterParams: formatterParams\n    }, itemTooltipOptionObj)\n  };\n} // Register built-in shapes. These shapes might be overwirtten\n// by users, although we do not recommend that.\n\nregisterShape('circle', Circle);\nregisterShape('ellipse', Ellipse);\nregisterShape('sector', Sector);\nregisterShape('ring', Ring);\nregisterShape('polygon', Polygon);\nregisterShape('polyline', Polyline);\nregisterShape('rect', Rect);\nregisterShape('line', Line);\nregisterShape('bezierCurve', BezierCurve);\nregisterShape('arc', Arc);\nexport { Group, ZRImage as Image, ZRText as Text, Circle, Ellipse, Sector, Ring, Polygon, Polyline, Rect, Line, BezierCurve, Arc, IncrementalDisplayable, CompoundPath, LinearGradient, RadialGradient, BoundingRect, OrientedBoundingRect, Point, Path };","import { FocusKeyManager, FocusMonitor, A11yModule } from '@angular/cdk/a11y';\nimport { ObserversModule } from '@angular/cdk/observers';\nimport { CdkPortal, TemplatePortal, CdkPortalOutlet, PortalHostDirective, PortalModule } from '@angular/cdk/portal';\nimport { DOCUMENT, CommonModule } from '@angular/common';\nimport { InjectionToken, Directive, ElementRef, NgZone, Inject, Optional, TemplateRef, Component, ChangeDetectionStrategy, ViewEncapsulation, ViewContainerRef, ContentChild, ViewChild, Input, ComponentFactoryResolver, forwardRef, EventEmitter, ChangeDetectorRef, Output, QueryList, ContentChildren, Attribute, NgModule } from '@angular/core';\nimport { mixinDisabled, mixinColor, mixinDisableRipple, mixinTabIndex, MAT_RIPPLE_GLOBAL_OPTIONS, RippleRenderer, MatCommonModule, MatRippleModule } from '@angular/material/core';\nimport { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';\nimport { __extends, __spread } from 'tslib';\nimport { Subject, Subscription, merge, fromEvent, of, timer } from 'rxjs';\nimport { Directionality } from '@angular/cdk/bidi';\nimport { trigger, state, style, transition, animate } from '@angular/animations';\nimport { startWith, distinctUntilChanged, takeUntil } from 'rxjs/operators';\nimport { coerceBooleanProperty, coerceNumberProperty } from '@angular/cdk/coercion';\nimport { ViewportRuler } from '@angular/cdk/scrolling';\nimport { normalizePassiveListenerOptions, Platform } from '@angular/cdk/platform';\nimport { hasModifierKey, SPACE, ENTER, END, HOME } from '@angular/cdk/keycodes';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Injection token for the MatInkBar's Positioner. */\nvar _MAT_INK_BAR_POSITIONER = new InjectionToken('MatInkBarPositioner', {\n    providedIn: 'root',\n    factory: _MAT_INK_BAR_POSITIONER_FACTORY\n});\n/**\n * The default positioner function for the MatInkBar.\n * @docs-private\n */\nfunction _MAT_INK_BAR_POSITIONER_FACTORY() {\n    var method = function (element) { return ({\n        left: element ? (element.offsetLeft || 0) + 'px' : '0',\n        width: element ? (element.offsetWidth || 0) + 'px' : '0',\n    }); };\n    return method;\n}\n/**\n * The ink-bar is used to display and animate the line underneath the current active tab label.\n * @docs-private\n */\nvar MatInkBar = /** @class */ (function () {\n    function MatInkBar(_elementRef, _ngZone, _inkBarPositioner, _animationMode) {\n        this._elementRef = _elementRef;\n        this._ngZone = _ngZone;\n        this._inkBarPositioner = _inkBarPositioner;\n        this._animationMode = _animationMode;\n    }\n    /**\n     * Calculates the styles from the provided element in order to align the ink-bar to that element.\n     * Shows the ink bar if previously set as hidden.\n     * @param element\n     */\n    MatInkBar.prototype.alignToElement = function (element) {\n        var _this = this;\n        this.show();\n        if (typeof requestAnimationFrame !== 'undefined') {\n            this._ngZone.runOutsideAngular(function () {\n                requestAnimationFrame(function () { return _this._setStyles(element); });\n            });\n        }\n        else {\n            this._setStyles(element);\n        }\n    };\n    /** Shows the ink bar. */\n    MatInkBar.prototype.show = function () {\n        this._elementRef.nativeElement.style.visibility = 'visible';\n    };\n    /** Hides the ink bar. */\n    MatInkBar.prototype.hide = function () {\n        this._elementRef.nativeElement.style.visibility = 'hidden';\n    };\n    /**\n     * Sets the proper styles to the ink bar element.\n     * @param element\n     */\n    MatInkBar.prototype._setStyles = function (element) {\n        var positions = this._inkBarPositioner(element);\n        var inkBar = this._elementRef.nativeElement;\n        inkBar.style.left = positions.left;\n        inkBar.style.width = positions.width;\n    };\n    MatInkBar.decorators = [\n        { type: Directive, args: [{\n                    selector: 'mat-ink-bar',\n                    host: {\n                        'class': 'mat-ink-bar',\n                        '[class._mat-animation-noopable]': \"_animationMode === 'NoopAnimations'\",\n                    },\n                },] }\n    ];\n    /** @nocollapse */\n    MatInkBar.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: NgZone },\n        { type: undefined, decorators: [{ type: Inject, args: [_MAT_INK_BAR_POSITIONER,] }] },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    return MatInkBar;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Decorates the `ng-template` tags and reads out the template from it. */\nvar MatTabContent = /** @class */ (function () {\n    function MatTabContent(template) {\n        this.template = template;\n    }\n    MatTabContent.decorators = [\n        { type: Directive, args: [{ selector: '[matTabContent]' },] }\n    ];\n    /** @nocollapse */\n    MatTabContent.ctorParameters = function () { return [\n        { type: TemplateRef }\n    ]; };\n    return MatTabContent;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Used to flag tab labels for use with the portal directive */\nvar MatTabLabel = /** @class */ (function (_super) {\n    __extends(MatTabLabel, _super);\n    function MatTabLabel() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    MatTabLabel.decorators = [\n        { type: Directive, args: [{\n                    selector: '[mat-tab-label], [matTabLabel]',\n                },] }\n    ];\n    return MatTabLabel;\n}(CdkPortal));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Boilerplate for applying mixins to MatTab.\n/** @docs-private */\nvar MatTabBase = /** @class */ (function () {\n    function MatTabBase() {\n    }\n    return MatTabBase;\n}());\nvar _MatTabMixinBase = mixinDisabled(MatTabBase);\n/**\n * Used to provide a tab group to a tab without causing a circular dependency.\n * @docs-private\n */\nvar MAT_TAB_GROUP = new InjectionToken('MAT_TAB_GROUP');\nvar MatTab = /** @class */ (function (_super) {\n    __extends(MatTab, _super);\n    function MatTab(_viewContainerRef, \n    /**\n     * @deprecated `_closestTabGroup` parameter to become required.\n     * @breaking-change 10.0.0\n     */\n    _closestTabGroup) {\n        var _this = _super.call(this) || this;\n        _this._viewContainerRef = _viewContainerRef;\n        _this._closestTabGroup = _closestTabGroup;\n        /** Plain text label for the tab, used when there is no template label. */\n        _this.textLabel = '';\n        /** Portal that will be the hosted content of the tab */\n        _this._contentPortal = null;\n        /** Emits whenever the internal state of the tab changes. */\n        _this._stateChanges = new Subject();\n        /**\n         * The relatively indexed position where 0 represents the center, negative is left, and positive\n         * represents the right.\n         */\n        _this.position = null;\n        /**\n         * The initial relatively index origin of the tab if it was created and selected after there\n         * was already a selected tab. Provides context of what position the tab should originate from.\n         */\n        _this.origin = null;\n        /**\n         * Whether the tab is currently active.\n         */\n        _this.isActive = false;\n        return _this;\n    }\n    Object.defineProperty(MatTab.prototype, \"templateLabel\", {\n        /** Content for the tab label given by `<ng-template mat-tab-label>`. */\n        get: function () { return this._templateLabel; },\n        set: function (value) {\n            // Only update the templateLabel via query if there is actually\n            // a MatTabLabel found. This works around an issue where a user may have\n            // manually set `templateLabel` during creation mode, which would then get clobbered\n            // by `undefined` when this query resolves.\n            if (value) {\n                this._templateLabel = value;\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatTab.prototype, \"content\", {\n        /** @docs-private */\n        get: function () {\n            return this._contentPortal;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatTab.prototype.ngOnChanges = function (changes) {\n        if (changes.hasOwnProperty('textLabel') || changes.hasOwnProperty('disabled')) {\n            this._stateChanges.next();\n        }\n    };\n    MatTab.prototype.ngOnDestroy = function () {\n        this._stateChanges.complete();\n    };\n    MatTab.prototype.ngOnInit = function () {\n        this._contentPortal = new TemplatePortal(this._explicitContent || this._implicitContent, this._viewContainerRef);\n    };\n    MatTab.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-tab',\n                    template: \"<!-- Create a template for the content of the <mat-tab> so that we can grab a reference to this\\n    TemplateRef and use it in a Portal to render the tab content in the appropriate place in the\\n    tab-group. -->\\n<ng-template><ng-content></ng-content></ng-template>\\n\",\n                    inputs: ['disabled'],\n                    // tslint:disable-next-line:validate-decorators\n                    changeDetection: ChangeDetectionStrategy.Default,\n                    encapsulation: ViewEncapsulation.None,\n                    exportAs: 'matTab'\n                }] }\n    ];\n    /** @nocollapse */\n    MatTab.ctorParameters = function () { return [\n        { type: ViewContainerRef },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_TAB_GROUP,] }] }\n    ]; };\n    MatTab.propDecorators = {\n        templateLabel: [{ type: ContentChild, args: [MatTabLabel,] }],\n        _explicitContent: [{ type: ContentChild, args: [MatTabContent, { read: TemplateRef, static: true },] }],\n        _implicitContent: [{ type: ViewChild, args: [TemplateRef, { static: true },] }],\n        textLabel: [{ type: Input, args: ['label',] }],\n        ariaLabel: [{ type: Input, args: ['aria-label',] }],\n        ariaLabelledby: [{ type: Input, args: ['aria-labelledby',] }]\n    };\n    return MatTab;\n}(_MatTabMixinBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Animations used by the Material tabs.\n * @docs-private\n */\nvar matTabsAnimations = {\n    /** Animation translates a tab along the X axis. */\n    translateTab: trigger('translateTab', [\n        // Note: transitions to `none` instead of 0, because some browsers might blur the content.\n        state('center, void, left-origin-center, right-origin-center', style({ transform: 'none' })),\n        // If the tab is either on the left or right, we additionally add a `min-height` of 1px\n        // in order to ensure that the element has a height before its state changes. This is\n        // necessary because Chrome does seem to skip the transition in RTL mode if the element does\n        // not have a static height and is not rendered. See related issue: #9465\n        state('left', style({ transform: 'translate3d(-100%, 0, 0)', minHeight: '1px' })),\n        state('right', style({ transform: 'translate3d(100%, 0, 0)', minHeight: '1px' })),\n        transition('* => left, * => right, left => center, right => center', animate('{{animationDuration}} cubic-bezier(0.35, 0, 0.25, 1)')),\n        transition('void => left-origin-center', [\n            style({ transform: 'translate3d(-100%, 0, 0)' }),\n            animate('{{animationDuration}} cubic-bezier(0.35, 0, 0.25, 1)')\n        ]),\n        transition('void => right-origin-center', [\n            style({ transform: 'translate3d(100%, 0, 0)' }),\n            animate('{{animationDuration}} cubic-bezier(0.35, 0, 0.25, 1)')\n        ])\n    ])\n};\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * The portal host directive for the contents of the tab.\n * @docs-private\n */\nvar MatTabBodyPortal = /** @class */ (function (_super) {\n    __extends(MatTabBodyPortal, _super);\n    function MatTabBodyPortal(componentFactoryResolver, viewContainerRef, _host, \n    /**\n     * @deprecated `_document` parameter to be made required.\n     * @breaking-change 9.0.0\n     */\n    _document) {\n        var _this = _super.call(this, componentFactoryResolver, viewContainerRef, _document) || this;\n        _this._host = _host;\n        /** Subscription to events for when the tab body begins centering. */\n        _this._centeringSub = Subscription.EMPTY;\n        /** Subscription to events for when the tab body finishes leaving from center position. */\n        _this._leavingSub = Subscription.EMPTY;\n        return _this;\n    }\n    /** Set initial visibility or set up subscription for changing visibility. */\n    MatTabBodyPortal.prototype.ngOnInit = function () {\n        var _this = this;\n        _super.prototype.ngOnInit.call(this);\n        this._centeringSub = this._host._beforeCentering\n            .pipe(startWith(this._host._isCenterPosition(this._host._position)))\n            .subscribe(function (isCentering) {\n            if (isCentering && !_this.hasAttached()) {\n                _this.attach(_this._host._content);\n            }\n        });\n        this._leavingSub = this._host._afterLeavingCenter.subscribe(function () {\n            _this.detach();\n        });\n    };\n    /** Clean up centering subscription. */\n    MatTabBodyPortal.prototype.ngOnDestroy = function () {\n        _super.prototype.ngOnDestroy.call(this);\n        this._centeringSub.unsubscribe();\n        this._leavingSub.unsubscribe();\n    };\n    MatTabBodyPortal.decorators = [\n        { type: Directive, args: [{\n                    selector: '[matTabBodyHost]'\n                },] }\n    ];\n    /** @nocollapse */\n    MatTabBodyPortal.ctorParameters = function () { return [\n        { type: ComponentFactoryResolver },\n        { type: ViewContainerRef },\n        { type: MatTabBody, decorators: [{ type: Inject, args: [forwardRef(function () { return MatTabBody; }),] }] },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }\n    ]; };\n    return MatTabBodyPortal;\n}(CdkPortalOutlet));\n/**\n * Base class with all of the `MatTabBody` functionality.\n * @docs-private\n */\nvar _MatTabBodyBase = /** @class */ (function () {\n    function _MatTabBodyBase(_elementRef, _dir, changeDetectorRef) {\n        var _this = this;\n        this._elementRef = _elementRef;\n        this._dir = _dir;\n        /** Subscription to the directionality change observable. */\n        this._dirChangeSubscription = Subscription.EMPTY;\n        /** Emits when an animation on the tab is complete. */\n        this._translateTabComplete = new Subject();\n        /** Event emitted when the tab begins to animate towards the center as the active tab. */\n        this._onCentering = new EventEmitter();\n        /** Event emitted before the centering of the tab begins. */\n        this._beforeCentering = new EventEmitter();\n        /** Event emitted before the centering of the tab begins. */\n        this._afterLeavingCenter = new EventEmitter();\n        /** Event emitted when the tab completes its animation towards the center. */\n        this._onCentered = new EventEmitter(true);\n        // Note that the default value will always be overwritten by `MatTabBody`, but we need one\n        // anyway to prevent the animations module from throwing an error if the body is used on its own.\n        /** Duration for the tab's animation. */\n        this.animationDuration = '500ms';\n        if (_dir) {\n            this._dirChangeSubscription = _dir.change.subscribe(function (dir) {\n                _this._computePositionAnimationState(dir);\n                changeDetectorRef.markForCheck();\n            });\n        }\n        // Ensure that we get unique animation events, because the `.done` callback can get\n        // invoked twice in some browsers. See https://github.com/angular/angular/issues/24084.\n        this._translateTabComplete.pipe(distinctUntilChanged(function (x, y) {\n            return x.fromState === y.fromState && x.toState === y.toState;\n        })).subscribe(function (event) {\n            // If the transition to the center is complete, emit an event.\n            if (_this._isCenterPosition(event.toState) && _this._isCenterPosition(_this._position)) {\n                _this._onCentered.emit();\n            }\n            if (_this._isCenterPosition(event.fromState) && !_this._isCenterPosition(_this._position)) {\n                _this._afterLeavingCenter.emit();\n            }\n        });\n    }\n    Object.defineProperty(_MatTabBodyBase.prototype, \"position\", {\n        /** The shifted index position of the tab body, where zero represents the active center tab. */\n        set: function (position) {\n            this._positionIndex = position;\n            this._computePositionAnimationState();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * After initialized, check if the content is centered and has an origin. If so, set the\n     * special position states that transition the tab from the left or right before centering.\n     */\n    _MatTabBodyBase.prototype.ngOnInit = function () {\n        if (this._position == 'center' && this.origin != null) {\n            this._position = this._computePositionFromOrigin(this.origin);\n        }\n    };\n    _MatTabBodyBase.prototype.ngOnDestroy = function () {\n        this._dirChangeSubscription.unsubscribe();\n        this._translateTabComplete.complete();\n    };\n    _MatTabBodyBase.prototype._onTranslateTabStarted = function (event) {\n        var isCentering = this._isCenterPosition(event.toState);\n        this._beforeCentering.emit(isCentering);\n        if (isCentering) {\n            this._onCentering.emit(this._elementRef.nativeElement.clientHeight);\n        }\n    };\n    /** The text direction of the containing app. */\n    _MatTabBodyBase.prototype._getLayoutDirection = function () {\n        return this._dir && this._dir.value === 'rtl' ? 'rtl' : 'ltr';\n    };\n    /** Whether the provided position state is considered center, regardless of origin. */\n    _MatTabBodyBase.prototype._isCenterPosition = function (position) {\n        return position == 'center' ||\n            position == 'left-origin-center' ||\n            position == 'right-origin-center';\n    };\n    /** Computes the position state that will be used for the tab-body animation trigger. */\n    _MatTabBodyBase.prototype._computePositionAnimationState = function (dir) {\n        if (dir === void 0) { dir = this._getLayoutDirection(); }\n        if (this._positionIndex < 0) {\n            this._position = dir == 'ltr' ? 'left' : 'right';\n        }\n        else if (this._positionIndex > 0) {\n            this._position = dir == 'ltr' ? 'right' : 'left';\n        }\n        else {\n            this._position = 'center';\n        }\n    };\n    /**\n     * Computes the position state based on the specified origin position. This is used if the\n     * tab is becoming visible immediately after creation.\n     */\n    _MatTabBodyBase.prototype._computePositionFromOrigin = function (origin) {\n        var dir = this._getLayoutDirection();\n        if ((dir == 'ltr' && origin <= 0) || (dir == 'rtl' && origin > 0)) {\n            return 'left-origin-center';\n        }\n        return 'right-origin-center';\n    };\n    _MatTabBodyBase.decorators = [\n        { type: Directive }\n    ];\n    /** @nocollapse */\n    _MatTabBodyBase.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: ChangeDetectorRef }\n    ]; };\n    _MatTabBodyBase.propDecorators = {\n        _onCentering: [{ type: Output }],\n        _beforeCentering: [{ type: Output }],\n        _afterLeavingCenter: [{ type: Output }],\n        _onCentered: [{ type: Output }],\n        _content: [{ type: Input, args: ['content',] }],\n        origin: [{ type: Input }],\n        animationDuration: [{ type: Input }],\n        position: [{ type: Input }]\n    };\n    return _MatTabBodyBase;\n}());\n/**\n * Wrapper for the contents of a tab.\n * @docs-private\n */\nvar MatTabBody = /** @class */ (function (_super) {\n    __extends(MatTabBody, _super);\n    function MatTabBody(elementRef, dir, changeDetectorRef) {\n        return _super.call(this, elementRef, dir, changeDetectorRef) || this;\n    }\n    MatTabBody.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-tab-body',\n                    template: \"<div class=\\\"mat-tab-body-content\\\" #content\\n     [@translateTab]=\\\"{\\n        value: _position,\\n        params: {animationDuration: animationDuration}\\n     }\\\"\\n     (@translateTab.start)=\\\"_onTranslateTabStarted($event)\\\"\\n     (@translateTab.done)=\\\"_translateTabComplete.next($event)\\\">\\n  <ng-template matTabBodyHost></ng-template>\\n</div>\\n\",\n                    encapsulation: ViewEncapsulation.None,\n                    // tslint:disable-next-line:validate-decorators\n                    changeDetection: ChangeDetectionStrategy.Default,\n                    animations: [matTabsAnimations.translateTab],\n                    host: {\n                        'class': 'mat-tab-body',\n                    },\n                    styles: [\".mat-tab-body-content{height:100%;overflow:auto}.mat-tab-group-dynamic-height .mat-tab-body-content{overflow:hidden}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatTabBody.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: ChangeDetectorRef }\n    ]; };\n    MatTabBody.propDecorators = {\n        _portalHost: [{ type: ViewChild, args: [PortalHostDirective,] }]\n    };\n    return MatTabBody;\n}(_MatTabBodyBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Injection token that can be used to provide the default options the tabs module. */\nvar MAT_TABS_CONFIG = new InjectionToken('MAT_TABS_CONFIG');\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Used to generate unique ID's for each tab component */\nvar nextId = 0;\n/** A simple change event emitted on focus or selection changes. */\nvar MatTabChangeEvent = /** @class */ (function () {\n    function MatTabChangeEvent() {\n    }\n    return MatTabChangeEvent;\n}());\n// Boilerplate for applying mixins to MatTabGroup.\n/** @docs-private */\nvar MatTabGroupMixinBase = /** @class */ (function () {\n    function MatTabGroupMixinBase(_elementRef) {\n        this._elementRef = _elementRef;\n    }\n    return MatTabGroupMixinBase;\n}());\nvar _MatTabGroupMixinBase = mixinColor(mixinDisableRipple(MatTabGroupMixinBase), 'primary');\n/**\n * Base class with all of the `MatTabGroupBase` functionality.\n * @docs-private\n */\nvar _MatTabGroupBase = /** @class */ (function (_super) {\n    __extends(_MatTabGroupBase, _super);\n    function _MatTabGroupBase(elementRef, _changeDetectorRef, defaultConfig, _animationMode) {\n        var _this = _super.call(this, elementRef) || this;\n        _this._changeDetectorRef = _changeDetectorRef;\n        _this._animationMode = _animationMode;\n        /** All of the tabs that belong to the group. */\n        _this._tabs = new QueryList();\n        /** The tab index that should be selected after the content has been checked. */\n        _this._indexToSelect = 0;\n        /** Snapshot of the height of the tab body wrapper before another tab is activated. */\n        _this._tabBodyWrapperHeight = 0;\n        /** Subscription to tabs being added/removed. */\n        _this._tabsSubscription = Subscription.EMPTY;\n        /** Subscription to changes in the tab labels. */\n        _this._tabLabelSubscription = Subscription.EMPTY;\n        _this._dynamicHeight = false;\n        _this._selectedIndex = null;\n        /** Position of the tab header. */\n        _this.headerPosition = 'above';\n        /** Output to enable support for two-way binding on `[(selectedIndex)]` */\n        _this.selectedIndexChange = new EventEmitter();\n        /** Event emitted when focus has changed within a tab group. */\n        _this.focusChange = new EventEmitter();\n        /** Event emitted when the body animation has completed */\n        _this.animationDone = new EventEmitter();\n        /** Event emitted when the tab selection has changed. */\n        _this.selectedTabChange = new EventEmitter(true);\n        _this._groupId = nextId++;\n        _this.animationDuration = defaultConfig && defaultConfig.animationDuration ?\n            defaultConfig.animationDuration : '500ms';\n        _this.disablePagination = defaultConfig && defaultConfig.disablePagination != null ?\n            defaultConfig.disablePagination : false;\n        return _this;\n    }\n    Object.defineProperty(_MatTabGroupBase.prototype, \"dynamicHeight\", {\n        /** Whether the tab group should grow to the size of the active tab. */\n        get: function () { return this._dynamicHeight; },\n        set: function (value) { this._dynamicHeight = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(_MatTabGroupBase.prototype, \"selectedIndex\", {\n        /** The index of the active tab. */\n        get: function () { return this._selectedIndex; },\n        set: function (value) {\n            this._indexToSelect = coerceNumberProperty(value, null);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(_MatTabGroupBase.prototype, \"animationDuration\", {\n        /** Duration for the tab animation. Will be normalized to milliseconds if no units are set. */\n        get: function () { return this._animationDuration; },\n        set: function (value) {\n            this._animationDuration = /^\\d+$/.test(value) ? value + 'ms' : value;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(_MatTabGroupBase.prototype, \"backgroundColor\", {\n        /** Background color of the tab group. */\n        get: function () { return this._backgroundColor; },\n        set: function (value) {\n            var nativeElement = this._elementRef.nativeElement;\n            nativeElement.classList.remove(\"mat-background-\" + this.backgroundColor);\n            if (value) {\n                nativeElement.classList.add(\"mat-background-\" + value);\n            }\n            this._backgroundColor = value;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * After the content is checked, this component knows what tabs have been defined\n     * and what the selected index should be. This is where we can know exactly what position\n     * each tab should be in according to the new selected index, and additionally we know how\n     * a new selected tab should transition in (from the left or right).\n     */\n    _MatTabGroupBase.prototype.ngAfterContentChecked = function () {\n        var _this = this;\n        // Don't clamp the `indexToSelect` immediately in the setter because it can happen that\n        // the amount of tabs changes before the actual change detection runs.\n        var indexToSelect = this._indexToSelect = this._clampTabIndex(this._indexToSelect);\n        // If there is a change in selected index, emit a change event. Should not trigger if\n        // the selected index has not yet been initialized.\n        if (this._selectedIndex != indexToSelect) {\n            var isFirstRun_1 = this._selectedIndex == null;\n            if (!isFirstRun_1) {\n                this.selectedTabChange.emit(this._createChangeEvent(indexToSelect));\n            }\n            // Changing these values after change detection has run\n            // since the checked content may contain references to them.\n            Promise.resolve().then(function () {\n                _this._tabs.forEach(function (tab, index) { return tab.isActive = index === indexToSelect; });\n                if (!isFirstRun_1) {\n                    _this.selectedIndexChange.emit(indexToSelect);\n                }\n            });\n        }\n        // Setup the position for each tab and optionally setup an origin on the next selected tab.\n        this._tabs.forEach(function (tab, index) {\n            tab.position = index - indexToSelect;\n            // If there is already a selected tab, then set up an origin for the next selected tab\n            // if it doesn't have one already.\n            if (_this._selectedIndex != null && tab.position == 0 && !tab.origin) {\n                tab.origin = indexToSelect - _this._selectedIndex;\n            }\n        });\n        if (this._selectedIndex !== indexToSelect) {\n            this._selectedIndex = indexToSelect;\n            this._changeDetectorRef.markForCheck();\n        }\n    };\n    _MatTabGroupBase.prototype.ngAfterContentInit = function () {\n        var _this = this;\n        this._subscribeToAllTabChanges();\n        this._subscribeToTabLabels();\n        // Subscribe to changes in the amount of tabs, in order to be\n        // able to re-render the content as new tabs are added or removed.\n        this._tabsSubscription = this._tabs.changes.subscribe(function () {\n            var indexToSelect = _this._clampTabIndex(_this._indexToSelect);\n            // Maintain the previously-selected tab if a new tab is added or removed and there is no\n            // explicit change that selects a different tab.\n            if (indexToSelect === _this._selectedIndex) {\n                var tabs = _this._tabs.toArray();\n                for (var i = 0; i < tabs.length; i++) {\n                    if (tabs[i].isActive) {\n                        // Assign both to the `_indexToSelect` and `_selectedIndex` so we don't fire a changed\n                        // event, otherwise the consumer may end up in an infinite loop in some edge cases like\n                        // adding a tab within the `selectedIndexChange` event.\n                        _this._indexToSelect = _this._selectedIndex = i;\n                        break;\n                    }\n                }\n            }\n            _this._changeDetectorRef.markForCheck();\n        });\n    };\n    /** Listens to changes in all of the tabs. */\n    _MatTabGroupBase.prototype._subscribeToAllTabChanges = function () {\n        var _this = this;\n        // Since we use a query with `descendants: true` to pick up the tabs, we may end up catching\n        // some that are inside of nested tab groups. We filter them out manually by checking that\n        // the closest group to the tab is the current one.\n        this._allTabs.changes\n            .pipe(startWith(this._allTabs))\n            .subscribe(function (tabs) {\n            _this._tabs.reset(tabs.filter(function (tab) {\n                // @breaking-change 10.0.0 Remove null check for `_closestTabGroup`\n                // once it becomes a required parameter in MatTab.\n                return !tab._closestTabGroup || tab._closestTabGroup === _this;\n            }));\n            _this._tabs.notifyOnChanges();\n        });\n    };\n    _MatTabGroupBase.prototype.ngOnDestroy = function () {\n        this._tabs.destroy();\n        this._tabsSubscription.unsubscribe();\n        this._tabLabelSubscription.unsubscribe();\n    };\n    /** Re-aligns the ink bar to the selected tab element. */\n    _MatTabGroupBase.prototype.realignInkBar = function () {\n        if (this._tabHeader) {\n            this._tabHeader._alignInkBarToSelectedTab();\n        }\n    };\n    _MatTabGroupBase.prototype._focusChanged = function (index) {\n        this.focusChange.emit(this._createChangeEvent(index));\n    };\n    _MatTabGroupBase.prototype._createChangeEvent = function (index) {\n        var event = new MatTabChangeEvent;\n        event.index = index;\n        if (this._tabs && this._tabs.length) {\n            event.tab = this._tabs.toArray()[index];\n        }\n        return event;\n    };\n    /**\n     * Subscribes to changes in the tab labels. This is needed, because the @Input for the label is\n     * on the MatTab component, whereas the data binding is inside the MatTabGroup. In order for the\n     * binding to be updated, we need to subscribe to changes in it and trigger change detection\n     * manually.\n     */\n    _MatTabGroupBase.prototype._subscribeToTabLabels = function () {\n        var _this = this;\n        if (this._tabLabelSubscription) {\n            this._tabLabelSubscription.unsubscribe();\n        }\n        this._tabLabelSubscription = merge.apply(void 0, __spread(this._tabs.map(function (tab) { return tab._stateChanges; }))).subscribe(function () { return _this._changeDetectorRef.markForCheck(); });\n    };\n    /** Clamps the given index to the bounds of 0 and the tabs length. */\n    _MatTabGroupBase.prototype._clampTabIndex = function (index) {\n        // Note the `|| 0`, which ensures that values like NaN can't get through\n        // and which would otherwise throw the component into an infinite loop\n        // (since Math.max(NaN, 0) === NaN).\n        return Math.min(this._tabs.length - 1, Math.max(index || 0, 0));\n    };\n    /** Returns a unique id for each tab label element */\n    _MatTabGroupBase.prototype._getTabLabelId = function (i) {\n        return \"mat-tab-label-\" + this._groupId + \"-\" + i;\n    };\n    /** Returns a unique id for each tab content element */\n    _MatTabGroupBase.prototype._getTabContentId = function (i) {\n        return \"mat-tab-content-\" + this._groupId + \"-\" + i;\n    };\n    /**\n     * Sets the height of the body wrapper to the height of the activating tab if dynamic\n     * height property is true.\n     */\n    _MatTabGroupBase.prototype._setTabBodyWrapperHeight = function (tabHeight) {\n        if (!this._dynamicHeight || !this._tabBodyWrapperHeight) {\n            return;\n        }\n        var wrapper = this._tabBodyWrapper.nativeElement;\n        wrapper.style.height = this._tabBodyWrapperHeight + 'px';\n        // This conditional forces the browser to paint the height so that\n        // the animation to the new height can have an origin.\n        if (this._tabBodyWrapper.nativeElement.offsetHeight) {\n            wrapper.style.height = tabHeight + 'px';\n        }\n    };\n    /** Removes the height of the tab body wrapper. */\n    _MatTabGroupBase.prototype._removeTabBodyWrapperHeight = function () {\n        var wrapper = this._tabBodyWrapper.nativeElement;\n        this._tabBodyWrapperHeight = wrapper.clientHeight;\n        wrapper.style.height = '';\n        this.animationDone.emit();\n    };\n    /** Handle click events, setting new selected index if appropriate. */\n    _MatTabGroupBase.prototype._handleClick = function (tab, tabHeader, index) {\n        if (!tab.disabled) {\n            this.selectedIndex = tabHeader.focusIndex = index;\n        }\n    };\n    /** Retrieves the tabindex for the tab. */\n    _MatTabGroupBase.prototype._getTabIndex = function (tab, idx) {\n        if (tab.disabled) {\n            return null;\n        }\n        return this.selectedIndex === idx ? 0 : -1;\n    };\n    _MatTabGroupBase.decorators = [\n        { type: Directive }\n    ];\n    /** @nocollapse */\n    _MatTabGroupBase.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: ChangeDetectorRef },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_TABS_CONFIG,] }, { type: Optional }] },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    _MatTabGroupBase.propDecorators = {\n        dynamicHeight: [{ type: Input }],\n        selectedIndex: [{ type: Input }],\n        headerPosition: [{ type: Input }],\n        animationDuration: [{ type: Input }],\n        disablePagination: [{ type: Input }],\n        backgroundColor: [{ type: Input }],\n        selectedIndexChange: [{ type: Output }],\n        focusChange: [{ type: Output }],\n        animationDone: [{ type: Output }],\n        selectedTabChange: [{ type: Output }]\n    };\n    return _MatTabGroupBase;\n}(_MatTabGroupMixinBase));\n/**\n * Material design tab-group component. Supports basic tab pairs (label + content) and includes\n * animated ink-bar, keyboard navigation, and screen reader.\n * See: https://material.io/design/components/tabs.html\n */\nvar MatTabGroup = /** @class */ (function (_super) {\n    __extends(MatTabGroup, _super);\n    function MatTabGroup(elementRef, changeDetectorRef, defaultConfig, animationMode) {\n        return _super.call(this, elementRef, changeDetectorRef, defaultConfig, animationMode) || this;\n    }\n    MatTabGroup.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-tab-group',\n                    exportAs: 'matTabGroup',\n                    template: \"<mat-tab-header #tabHeader\\n               [selectedIndex]=\\\"selectedIndex || 0\\\"\\n               [disableRipple]=\\\"disableRipple\\\"\\n               [disablePagination]=\\\"disablePagination\\\"\\n               (indexFocused)=\\\"_focusChanged($event)\\\"\\n               (selectFocusedIndex)=\\\"selectedIndex = $event\\\">\\n  <div class=\\\"mat-tab-label\\\" role=\\\"tab\\\" matTabLabelWrapper mat-ripple cdkMonitorElementFocus\\n       *ngFor=\\\"let tab of _tabs; let i = index\\\"\\n       [id]=\\\"_getTabLabelId(i)\\\"\\n       [attr.tabIndex]=\\\"_getTabIndex(tab, i)\\\"\\n       [attr.aria-posinset]=\\\"i + 1\\\"\\n       [attr.aria-setsize]=\\\"_tabs.length\\\"\\n       [attr.aria-controls]=\\\"_getTabContentId(i)\\\"\\n       [attr.aria-selected]=\\\"selectedIndex == i\\\"\\n       [attr.aria-label]=\\\"tab.ariaLabel || null\\\"\\n       [attr.aria-labelledby]=\\\"(!tab.ariaLabel && tab.ariaLabelledby) ? tab.ariaLabelledby : null\\\"\\n       [class.mat-tab-label-active]=\\\"selectedIndex == i\\\"\\n       [disabled]=\\\"tab.disabled\\\"\\n       [matRippleDisabled]=\\\"tab.disabled || disableRipple\\\"\\n       (click)=\\\"_handleClick(tab, tabHeader, i)\\\">\\n\\n\\n    <div class=\\\"mat-tab-label-content\\\">\\n      <!-- If there is a label template, use it. -->\\n      <ng-template [ngIf]=\\\"tab.templateLabel\\\">\\n        <ng-template [cdkPortalOutlet]=\\\"tab.templateLabel\\\"></ng-template>\\n      </ng-template>\\n\\n      <!-- If there is not a label template, fall back to the text label. -->\\n      <ng-template [ngIf]=\\\"!tab.templateLabel\\\">{{tab.textLabel}}</ng-template>\\n    </div>\\n  </div>\\n</mat-tab-header>\\n\\n<div\\n  class=\\\"mat-tab-body-wrapper\\\"\\n  [class._mat-animation-noopable]=\\\"_animationMode === 'NoopAnimations'\\\"\\n  #tabBodyWrapper>\\n  <mat-tab-body role=\\\"tabpanel\\\"\\n               *ngFor=\\\"let tab of _tabs; let i = index\\\"\\n               [id]=\\\"_getTabContentId(i)\\\"\\n               [attr.aria-labelledby]=\\\"_getTabLabelId(i)\\\"\\n               [class.mat-tab-body-active]=\\\"selectedIndex == i\\\"\\n               [content]=\\\"tab.content!\\\"\\n               [position]=\\\"tab.position!\\\"\\n               [origin]=\\\"tab.origin\\\"\\n               [animationDuration]=\\\"animationDuration\\\"\\n               (_onCentered)=\\\"_removeTabBodyWrapperHeight()\\\"\\n               (_onCentering)=\\\"_setTabBodyWrapperHeight($event)\\\">\\n  </mat-tab-body>\\n</div>\\n\",\n                    encapsulation: ViewEncapsulation.None,\n                    // tslint:disable-next-line:validate-decorators\n                    changeDetection: ChangeDetectionStrategy.Default,\n                    inputs: ['color', 'disableRipple'],\n                    providers: [{\n                            provide: MAT_TAB_GROUP,\n                            useExisting: MatTabGroup\n                        }],\n                    host: {\n                        'class': 'mat-tab-group',\n                        '[class.mat-tab-group-dynamic-height]': 'dynamicHeight',\n                        '[class.mat-tab-group-inverted-header]': 'headerPosition === \"below\"',\n                    },\n                    styles: [\".mat-tab-group{display:flex;flex-direction:column}.mat-tab-group.mat-tab-group-inverted-header{flex-direction:column-reverse}.mat-tab-label{height:48px;padding:0 24px;cursor:pointer;box-sizing:border-box;opacity:.6;min-width:160px;text-align:center;display:inline-flex;justify-content:center;align-items:center;white-space:nowrap;position:relative}.mat-tab-label:focus{outline:none}.mat-tab-label:focus:not(.mat-tab-disabled){opacity:1}.cdk-high-contrast-active .mat-tab-label:focus{outline:dotted 2px;outline-offset:-2px}.mat-tab-label.mat-tab-disabled{cursor:default}.cdk-high-contrast-active .mat-tab-label.mat-tab-disabled{opacity:.5}.mat-tab-label .mat-tab-label-content{display:inline-flex;justify-content:center;align-items:center;white-space:nowrap}.cdk-high-contrast-active .mat-tab-label{opacity:1}@media(max-width: 599px){.mat-tab-label{padding:0 12px}}@media(max-width: 959px){.mat-tab-label{padding:0 12px}}.mat-tab-group[mat-stretch-tabs]>.mat-tab-header .mat-tab-label{flex-basis:0;flex-grow:1}.mat-tab-body-wrapper{position:relative;overflow:hidden;display:flex;transition:height 500ms cubic-bezier(0.35, 0, 0.25, 1)}._mat-animation-noopable.mat-tab-body-wrapper{transition:none;animation:none}.mat-tab-body{top:0;left:0;right:0;bottom:0;position:absolute;display:block;overflow:hidden;flex-basis:100%}.mat-tab-body.mat-tab-body-active{position:relative;overflow-x:hidden;overflow-y:auto;z-index:1;flex-grow:1}.mat-tab-group.mat-tab-group-dynamic-height .mat-tab-body.mat-tab-body-active{overflow-y:hidden}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatTabGroup.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: ChangeDetectorRef },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_TABS_CONFIG,] }, { type: Optional }] },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    MatTabGroup.propDecorators = {\n        _allTabs: [{ type: ContentChildren, args: [MatTab, { descendants: true },] }],\n        _tabBodyWrapper: [{ type: ViewChild, args: ['tabBodyWrapper',] }],\n        _tabHeader: [{ type: ViewChild, args: ['tabHeader',] }]\n    };\n    return MatTabGroup;\n}(_MatTabGroupBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Boilerplate for applying mixins to MatTabLabelWrapper.\n/** @docs-private */\nvar MatTabLabelWrapperBase = /** @class */ (function () {\n    function MatTabLabelWrapperBase() {\n    }\n    return MatTabLabelWrapperBase;\n}());\nvar _MatTabLabelWrapperMixinBase = mixinDisabled(MatTabLabelWrapperBase);\n/**\n * Used in the `mat-tab-group` view to display tab labels.\n * @docs-private\n */\nvar MatTabLabelWrapper = /** @class */ (function (_super) {\n    __extends(MatTabLabelWrapper, _super);\n    function MatTabLabelWrapper(elementRef) {\n        var _this = _super.call(this) || this;\n        _this.elementRef = elementRef;\n        return _this;\n    }\n    /** Sets focus on the wrapper element */\n    MatTabLabelWrapper.prototype.focus = function () {\n        this.elementRef.nativeElement.focus();\n    };\n    MatTabLabelWrapper.prototype.getOffsetLeft = function () {\n        return this.elementRef.nativeElement.offsetLeft;\n    };\n    MatTabLabelWrapper.prototype.getOffsetWidth = function () {\n        return this.elementRef.nativeElement.offsetWidth;\n    };\n    MatTabLabelWrapper.decorators = [\n        { type: Directive, args: [{\n                    selector: '[matTabLabelWrapper]',\n                    inputs: ['disabled'],\n                    host: {\n                        '[class.mat-tab-disabled]': 'disabled',\n                        '[attr.aria-disabled]': '!!disabled',\n                    }\n                },] }\n    ];\n    /** @nocollapse */\n    MatTabLabelWrapper.ctorParameters = function () { return [\n        { type: ElementRef }\n    ]; };\n    return MatTabLabelWrapper;\n}(_MatTabLabelWrapperMixinBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Config used to bind passive event listeners */\nvar passiveEventListenerOptions = normalizePassiveListenerOptions({ passive: true });\n/**\n * The distance in pixels that will be overshot when scrolling a tab label into view. This helps\n * provide a small affordance to the label next to it.\n */\nvar EXAGGERATED_OVERSCROLL = 60;\n/**\n * Amount of milliseconds to wait before starting to scroll the header automatically.\n * Set a little conservatively in order to handle fake events dispatched on touch devices.\n */\nvar HEADER_SCROLL_DELAY = 650;\n/**\n * Interval in milliseconds at which to scroll the header\n * while the user is holding their pointer.\n */\nvar HEADER_SCROLL_INTERVAL = 100;\n/**\n * Base class for a tab header that supported pagination.\n * @docs-private\n */\nvar MatPaginatedTabHeader = /** @class */ (function () {\n    function MatPaginatedTabHeader(_elementRef, _changeDetectorRef, _viewportRuler, _dir, _ngZone, \n    /**\n     * @deprecated @breaking-change 9.0.0 `_platform` and `_animationMode`\n     * parameters to become required.\n     */\n    _platform, _animationMode) {\n        var _this = this;\n        this._elementRef = _elementRef;\n        this._changeDetectorRef = _changeDetectorRef;\n        this._viewportRuler = _viewportRuler;\n        this._dir = _dir;\n        this._ngZone = _ngZone;\n        this._platform = _platform;\n        this._animationMode = _animationMode;\n        /** The distance in pixels that the tab labels should be translated to the left. */\n        this._scrollDistance = 0;\n        /** Whether the header should scroll to the selected index after the view has been checked. */\n        this._selectedIndexChanged = false;\n        /** Emits when the component is destroyed. */\n        this._destroyed = new Subject();\n        /** Whether the controls for pagination should be displayed */\n        this._showPaginationControls = false;\n        /** Whether the tab list can be scrolled more towards the end of the tab label list. */\n        this._disableScrollAfter = true;\n        /** Whether the tab list can be scrolled more towards the beginning of the tab label list. */\n        this._disableScrollBefore = true;\n        /** Stream that will stop the automated scrolling. */\n        this._stopScrolling = new Subject();\n        /**\n         * Whether pagination should be disabled. This can be used to avoid unnecessary\n         * layout recalculations if it's known that pagination won't be required.\n         */\n        this.disablePagination = false;\n        this._selectedIndex = 0;\n        /** Event emitted when the option is selected. */\n        this.selectFocusedIndex = new EventEmitter();\n        /** Event emitted when a label is focused. */\n        this.indexFocused = new EventEmitter();\n        // Bind the `mouseleave` event on the outside since it doesn't change anything in the view.\n        _ngZone.runOutsideAngular(function () {\n            fromEvent(_elementRef.nativeElement, 'mouseleave')\n                .pipe(takeUntil(_this._destroyed))\n                .subscribe(function () {\n                _this._stopInterval();\n            });\n        });\n    }\n    Object.defineProperty(MatPaginatedTabHeader.prototype, \"selectedIndex\", {\n        /** The index of the active tab. */\n        get: function () { return this._selectedIndex; },\n        set: function (value) {\n            value = coerceNumberProperty(value);\n            if (this._selectedIndex != value) {\n                this._selectedIndexChanged = true;\n                this._selectedIndex = value;\n                if (this._keyManager) {\n                    this._keyManager.updateActiveItem(value);\n                }\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatPaginatedTabHeader.prototype.ngAfterViewInit = function () {\n        var _this = this;\n        // We need to handle these events manually, because we want to bind passive event listeners.\n        fromEvent(this._previousPaginator.nativeElement, 'touchstart', passiveEventListenerOptions)\n            .pipe(takeUntil(this._destroyed))\n            .subscribe(function () {\n            _this._handlePaginatorPress('before');\n        });\n        fromEvent(this._nextPaginator.nativeElement, 'touchstart', passiveEventListenerOptions)\n            .pipe(takeUntil(this._destroyed))\n            .subscribe(function () {\n            _this._handlePaginatorPress('after');\n        });\n    };\n    MatPaginatedTabHeader.prototype.ngAfterContentInit = function () {\n        var _this = this;\n        var dirChange = this._dir ? this._dir.change : of(null);\n        var resize = this._viewportRuler.change(150);\n        var realign = function () {\n            _this.updatePagination();\n            _this._alignInkBarToSelectedTab();\n        };\n        this._keyManager = new FocusKeyManager(this._items)\n            .withHorizontalOrientation(this._getLayoutDirection())\n            .withWrap();\n        this._keyManager.updateActiveItem(0);\n        // Defer the first call in order to allow for slower browsers to lay out the elements.\n        // This helps in cases where the user lands directly on a page with paginated tabs.\n        typeof requestAnimationFrame !== 'undefined' ? requestAnimationFrame(realign) : realign();\n        // On dir change or window resize, realign the ink bar and update the orientation of\n        // the key manager if the direction has changed.\n        merge(dirChange, resize, this._items.changes).pipe(takeUntil(this._destroyed)).subscribe(function () {\n            realign();\n            _this._keyManager.withHorizontalOrientation(_this._getLayoutDirection());\n        });\n        // If there is a change in the focus key manager we need to emit the `indexFocused`\n        // event in order to provide a public event that notifies about focus changes. Also we realign\n        // the tabs container by scrolling the new focused tab into the visible section.\n        this._keyManager.change.pipe(takeUntil(this._destroyed)).subscribe(function (newFocusIndex) {\n            _this.indexFocused.emit(newFocusIndex);\n            _this._setTabFocus(newFocusIndex);\n        });\n    };\n    MatPaginatedTabHeader.prototype.ngAfterContentChecked = function () {\n        // If the number of tab labels have changed, check if scrolling should be enabled\n        if (this._tabLabelCount != this._items.length) {\n            this.updatePagination();\n            this._tabLabelCount = this._items.length;\n            this._changeDetectorRef.markForCheck();\n        }\n        // If the selected index has changed, scroll to the label and check if the scrolling controls\n        // should be disabled.\n        if (this._selectedIndexChanged) {\n            this._scrollToLabel(this._selectedIndex);\n            this._checkScrollingControls();\n            this._alignInkBarToSelectedTab();\n            this._selectedIndexChanged = false;\n            this._changeDetectorRef.markForCheck();\n        }\n        // If the scroll distance has been changed (tab selected, focused, scroll controls activated),\n        // then translate the header to reflect this.\n        if (this._scrollDistanceChanged) {\n            this._updateTabScrollPosition();\n            this._scrollDistanceChanged = false;\n            this._changeDetectorRef.markForCheck();\n        }\n    };\n    MatPaginatedTabHeader.prototype.ngOnDestroy = function () {\n        this._destroyed.next();\n        this._destroyed.complete();\n        this._stopScrolling.complete();\n    };\n    /** Handles keyboard events on the header. */\n    MatPaginatedTabHeader.prototype._handleKeydown = function (event) {\n        // We don't handle any key bindings with a modifier key.\n        if (hasModifierKey(event)) {\n            return;\n        }\n        switch (event.keyCode) {\n            case HOME:\n                this._keyManager.setFirstItemActive();\n                event.preventDefault();\n                break;\n            case END:\n                this._keyManager.setLastItemActive();\n                event.preventDefault();\n                break;\n            case ENTER:\n            case SPACE:\n                this.selectFocusedIndex.emit(this.focusIndex);\n                this._itemSelected(event);\n                break;\n            default:\n                this._keyManager.onKeydown(event);\n        }\n    };\n    /**\n     * Callback for when the MutationObserver detects that the content has changed.\n     */\n    MatPaginatedTabHeader.prototype._onContentChanges = function () {\n        var _this = this;\n        var textContent = this._elementRef.nativeElement.textContent;\n        // We need to diff the text content of the header, because the MutationObserver callback\n        // will fire even if the text content didn't change which is inefficient and is prone\n        // to infinite loops if a poorly constructed expression is passed in (see #14249).\n        if (textContent !== this._currentTextContent) {\n            this._currentTextContent = textContent || '';\n            // The content observer runs outside the `NgZone` by default, which\n            // means that we need to bring the callback back in ourselves.\n            this._ngZone.run(function () {\n                _this.updatePagination();\n                _this._alignInkBarToSelectedTab();\n                _this._changeDetectorRef.markForCheck();\n            });\n        }\n    };\n    /**\n     * Updates the view whether pagination should be enabled or not.\n     *\n     * WARNING: Calling this method can be very costly in terms of performance. It should be called\n     * as infrequently as possible from outside of the Tabs component as it causes a reflow of the\n     * page.\n     */\n    MatPaginatedTabHeader.prototype.updatePagination = function () {\n        this._checkPaginationEnabled();\n        this._checkScrollingControls();\n        this._updateTabScrollPosition();\n    };\n    Object.defineProperty(MatPaginatedTabHeader.prototype, \"focusIndex\", {\n        /** Tracks which element has focus; used for keyboard navigation */\n        get: function () {\n            return this._keyManager ? this._keyManager.activeItemIndex : 0;\n        },\n        /** When the focus index is set, we must manually send focus to the correct label */\n        set: function (value) {\n            if (!this._isValidIndex(value) || this.focusIndex === value || !this._keyManager) {\n                return;\n            }\n            this._keyManager.setActiveItem(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Determines if an index is valid.  If the tabs are not ready yet, we assume that the user is\n     * providing a valid index and return true.\n     */\n    MatPaginatedTabHeader.prototype._isValidIndex = function (index) {\n        if (!this._items) {\n            return true;\n        }\n        var tab = this._items ? this._items.toArray()[index] : null;\n        return !!tab && !tab.disabled;\n    };\n    /**\n     * Sets focus on the HTML element for the label wrapper and scrolls it into the view if\n     * scrolling is enabled.\n     */\n    MatPaginatedTabHeader.prototype._setTabFocus = function (tabIndex) {\n        if (this._showPaginationControls) {\n            this._scrollToLabel(tabIndex);\n        }\n        if (this._items && this._items.length) {\n            this._items.toArray()[tabIndex].focus();\n            // Do not let the browser manage scrolling to focus the element, this will be handled\n            // by using translation. In LTR, the scroll left should be 0. In RTL, the scroll width\n            // should be the full width minus the offset width.\n            var containerEl = this._tabListContainer.nativeElement;\n            var dir = this._getLayoutDirection();\n            if (dir == 'ltr') {\n                containerEl.scrollLeft = 0;\n            }\n            else {\n                containerEl.scrollLeft = containerEl.scrollWidth - containerEl.offsetWidth;\n            }\n        }\n    };\n    /** The layout direction of the containing app. */\n    MatPaginatedTabHeader.prototype._getLayoutDirection = function () {\n        return this._dir && this._dir.value === 'rtl' ? 'rtl' : 'ltr';\n    };\n    /** Performs the CSS transformation on the tab list that will cause the list to scroll. */\n    MatPaginatedTabHeader.prototype._updateTabScrollPosition = function () {\n        if (this.disablePagination) {\n            return;\n        }\n        var scrollDistance = this.scrollDistance;\n        var platform = this._platform;\n        var translateX = this._getLayoutDirection() === 'ltr' ? -scrollDistance : scrollDistance;\n        // Don't use `translate3d` here because we don't want to create a new layer. A new layer\n        // seems to cause flickering and overflow in Internet Explorer. For example, the ink bar\n        // and ripples will exceed the boundaries of the visible tab bar.\n        // See: https://github.com/angular/components/issues/10276\n        // We round the `transform` here, because transforms with sub-pixel precision cause some\n        // browsers to blur the content of the element.\n        this._tabList.nativeElement.style.transform = \"translateX(\" + Math.round(translateX) + \"px)\";\n        // Setting the `transform` on IE will change the scroll offset of the parent, causing the\n        // position to be thrown off in some cases. We have to reset it ourselves to ensure that\n        // it doesn't get thrown off. Note that we scope it only to IE and Edge, because messing\n        // with the scroll position throws off Chrome 71+ in RTL mode (see #14689).\n        // @breaking-change 9.0.0 Remove null check for `platform` after it can no longer be undefined.\n        if (platform && (platform.TRIDENT || platform.EDGE)) {\n            this._tabListContainer.nativeElement.scrollLeft = 0;\n        }\n    };\n    Object.defineProperty(MatPaginatedTabHeader.prototype, \"scrollDistance\", {\n        /** Sets the distance in pixels that the tab header should be transformed in the X-axis. */\n        get: function () { return this._scrollDistance; },\n        set: function (value) {\n            this._scrollTo(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Moves the tab list in the 'before' or 'after' direction (towards the beginning of the list or\n     * the end of the list, respectively). The distance to scroll is computed to be a third of the\n     * length of the tab list view window.\n     *\n     * This is an expensive call that forces a layout reflow to compute box and scroll metrics and\n     * should be called sparingly.\n     */\n    MatPaginatedTabHeader.prototype._scrollHeader = function (direction) {\n        var viewLength = this._tabListContainer.nativeElement.offsetWidth;\n        // Move the scroll distance one-third the length of the tab list's viewport.\n        var scrollAmount = (direction == 'before' ? -1 : 1) * viewLength / 3;\n        return this._scrollTo(this._scrollDistance + scrollAmount);\n    };\n    /** Handles click events on the pagination arrows. */\n    MatPaginatedTabHeader.prototype._handlePaginatorClick = function (direction) {\n        this._stopInterval();\n        this._scrollHeader(direction);\n    };\n    /**\n     * Moves the tab list such that the desired tab label (marked by index) is moved into view.\n     *\n     * This is an expensive call that forces a layout reflow to compute box and scroll metrics and\n     * should be called sparingly.\n     */\n    MatPaginatedTabHeader.prototype._scrollToLabel = function (labelIndex) {\n        if (this.disablePagination) {\n            return;\n        }\n        var selectedLabel = this._items ? this._items.toArray()[labelIndex] : null;\n        if (!selectedLabel) {\n            return;\n        }\n        // The view length is the visible width of the tab labels.\n        var viewLength = this._tabListContainer.nativeElement.offsetWidth;\n        var _a = selectedLabel.elementRef.nativeElement, offsetLeft = _a.offsetLeft, offsetWidth = _a.offsetWidth;\n        var labelBeforePos, labelAfterPos;\n        if (this._getLayoutDirection() == 'ltr') {\n            labelBeforePos = offsetLeft;\n            labelAfterPos = labelBeforePos + offsetWidth;\n        }\n        else {\n            labelAfterPos = this._tabList.nativeElement.offsetWidth - offsetLeft;\n            labelBeforePos = labelAfterPos - offsetWidth;\n        }\n        var beforeVisiblePos = this.scrollDistance;\n        var afterVisiblePos = this.scrollDistance + viewLength;\n        if (labelBeforePos < beforeVisiblePos) {\n            // Scroll header to move label to the before direction\n            this.scrollDistance -= beforeVisiblePos - labelBeforePos + EXAGGERATED_OVERSCROLL;\n        }\n        else if (labelAfterPos > afterVisiblePos) {\n            // Scroll header to move label to the after direction\n            this.scrollDistance += labelAfterPos - afterVisiblePos + EXAGGERATED_OVERSCROLL;\n        }\n    };\n    /**\n     * Evaluate whether the pagination controls should be displayed. If the scroll width of the\n     * tab list is wider than the size of the header container, then the pagination controls should\n     * be shown.\n     *\n     * This is an expensive call that forces a layout reflow to compute box and scroll metrics and\n     * should be called sparingly.\n     */\n    MatPaginatedTabHeader.prototype._checkPaginationEnabled = function () {\n        if (this.disablePagination) {\n            this._showPaginationControls = false;\n        }\n        else {\n            var isEnabled = this._tabList.nativeElement.scrollWidth > this._elementRef.nativeElement.offsetWidth;\n            if (!isEnabled) {\n                this.scrollDistance = 0;\n            }\n            if (isEnabled !== this._showPaginationControls) {\n                this._changeDetectorRef.markForCheck();\n            }\n            this._showPaginationControls = isEnabled;\n        }\n    };\n    /**\n     * Evaluate whether the before and after controls should be enabled or disabled.\n     * If the header is at the beginning of the list (scroll distance is equal to 0) then disable the\n     * before button. If the header is at the end of the list (scroll distance is equal to the\n     * maximum distance we can scroll), then disable the after button.\n     *\n     * This is an expensive call that forces a layout reflow to compute box and scroll metrics and\n     * should be called sparingly.\n     */\n    MatPaginatedTabHeader.prototype._checkScrollingControls = function () {\n        if (this.disablePagination) {\n            this._disableScrollAfter = this._disableScrollBefore = true;\n        }\n        else {\n            // Check if the pagination arrows should be activated.\n            this._disableScrollBefore = this.scrollDistance == 0;\n            this._disableScrollAfter = this.scrollDistance == this._getMaxScrollDistance();\n            this._changeDetectorRef.markForCheck();\n        }\n    };\n    /**\n     * Determines what is the maximum length in pixels that can be set for the scroll distance. This\n     * is equal to the difference in width between the tab list container and tab header container.\n     *\n     * This is an expensive call that forces a layout reflow to compute box and scroll metrics and\n     * should be called sparingly.\n     */\n    MatPaginatedTabHeader.prototype._getMaxScrollDistance = function () {\n        var lengthOfTabList = this._tabList.nativeElement.scrollWidth;\n        var viewLength = this._tabListContainer.nativeElement.offsetWidth;\n        return (lengthOfTabList - viewLength) || 0;\n    };\n    /** Tells the ink-bar to align itself to the current label wrapper */\n    MatPaginatedTabHeader.prototype._alignInkBarToSelectedTab = function () {\n        var selectedItem = this._items && this._items.length ?\n            this._items.toArray()[this.selectedIndex] : null;\n        var selectedLabelWrapper = selectedItem ? selectedItem.elementRef.nativeElement : null;\n        if (selectedLabelWrapper) {\n            this._inkBar.alignToElement(selectedLabelWrapper);\n        }\n        else {\n            this._inkBar.hide();\n        }\n    };\n    /** Stops the currently-running paginator interval.  */\n    MatPaginatedTabHeader.prototype._stopInterval = function () {\n        this._stopScrolling.next();\n    };\n    /**\n     * Handles the user pressing down on one of the paginators.\n     * Starts scrolling the header after a certain amount of time.\n     * @param direction In which direction the paginator should be scrolled.\n     */\n    MatPaginatedTabHeader.prototype._handlePaginatorPress = function (direction, mouseEvent) {\n        var _this = this;\n        // Don't start auto scrolling for right mouse button clicks. Note that we shouldn't have to\n        // null check the `button`, but we do it so we don't break tests that use fake events.\n        if (mouseEvent && mouseEvent.button != null && mouseEvent.button !== 0) {\n            return;\n        }\n        // Avoid overlapping timers.\n        this._stopInterval();\n        // Start a timer after the delay and keep firing based on the interval.\n        timer(HEADER_SCROLL_DELAY, HEADER_SCROLL_INTERVAL)\n            // Keep the timer going until something tells it to stop or the component is destroyed.\n            .pipe(takeUntil(merge(this._stopScrolling, this._destroyed)))\n            .subscribe(function () {\n            var _a = _this._scrollHeader(direction), maxScrollDistance = _a.maxScrollDistance, distance = _a.distance;\n            // Stop the timer if we've reached the start or the end.\n            if (distance === 0 || distance >= maxScrollDistance) {\n                _this._stopInterval();\n            }\n        });\n    };\n    /**\n     * Scrolls the header to a given position.\n     * @param position Position to which to scroll.\n     * @returns Information on the current scroll distance and the maximum.\n     */\n    MatPaginatedTabHeader.prototype._scrollTo = function (position) {\n        if (this.disablePagination) {\n            return { maxScrollDistance: 0, distance: 0 };\n        }\n        var maxScrollDistance = this._getMaxScrollDistance();\n        this._scrollDistance = Math.max(0, Math.min(maxScrollDistance, position));\n        // Mark that the scroll distance has changed so that after the view is checked, the CSS\n        // transformation can move the header.\n        this._scrollDistanceChanged = true;\n        this._checkScrollingControls();\n        return { maxScrollDistance: maxScrollDistance, distance: this._scrollDistance };\n    };\n    MatPaginatedTabHeader.decorators = [\n        { type: Directive }\n    ];\n    /** @nocollapse */\n    MatPaginatedTabHeader.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: ChangeDetectorRef },\n        { type: ViewportRuler },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: NgZone },\n        { type: Platform },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    MatPaginatedTabHeader.propDecorators = {\n        disablePagination: [{ type: Input }]\n    };\n    return MatPaginatedTabHeader;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Base class with all of the `MatTabHeader` functionality.\n * @docs-private\n */\nvar _MatTabHeaderBase = /** @class */ (function (_super) {\n    __extends(_MatTabHeaderBase, _super);\n    function _MatTabHeaderBase(elementRef, changeDetectorRef, viewportRuler, dir, ngZone, platform, \n    // @breaking-change 9.0.0 `_animationMode` parameter to be made required.\n    animationMode) {\n        var _this = _super.call(this, elementRef, changeDetectorRef, viewportRuler, dir, ngZone, platform, animationMode) || this;\n        _this._disableRipple = false;\n        return _this;\n    }\n    Object.defineProperty(_MatTabHeaderBase.prototype, \"disableRipple\", {\n        /** Whether the ripple effect is disabled or not. */\n        get: function () { return this._disableRipple; },\n        set: function (value) { this._disableRipple = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    _MatTabHeaderBase.prototype._itemSelected = function (event) {\n        event.preventDefault();\n    };\n    _MatTabHeaderBase.decorators = [\n        { type: Directive }\n    ];\n    /** @nocollapse */\n    _MatTabHeaderBase.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: ChangeDetectorRef },\n        { type: ViewportRuler },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: NgZone },\n        { type: Platform },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    _MatTabHeaderBase.propDecorators = {\n        disableRipple: [{ type: Input }]\n    };\n    return _MatTabHeaderBase;\n}(MatPaginatedTabHeader));\n/**\n * The header of the tab group which displays a list of all the tabs in the tab group. Includes\n * an ink bar that follows the currently selected tab. When the tabs list's width exceeds the\n * width of the header container, then arrows will be displayed to allow the user to scroll\n * left and right across the header.\n * @docs-private\n */\nvar MatTabHeader = /** @class */ (function (_super) {\n    __extends(MatTabHeader, _super);\n    function MatTabHeader(elementRef, changeDetectorRef, viewportRuler, dir, ngZone, platform, \n    // @breaking-change 9.0.0 `_animationMode` parameter to be made required.\n    animationMode) {\n        return _super.call(this, elementRef, changeDetectorRef, viewportRuler, dir, ngZone, platform, animationMode) || this;\n    }\n    MatTabHeader.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-tab-header',\n                    template: \"<div class=\\\"mat-tab-header-pagination mat-tab-header-pagination-before mat-elevation-z4\\\"\\n     #previousPaginator\\n     aria-hidden=\\\"true\\\"\\n     mat-ripple [matRippleDisabled]=\\\"_disableScrollBefore || disableRipple\\\"\\n     [class.mat-tab-header-pagination-disabled]=\\\"_disableScrollBefore\\\"\\n     (click)=\\\"_handlePaginatorClick('before')\\\"\\n     (mousedown)=\\\"_handlePaginatorPress('before', $event)\\\"\\n     (touchend)=\\\"_stopInterval()\\\">\\n  <div class=\\\"mat-tab-header-pagination-chevron\\\"></div>\\n</div>\\n\\n<div class=\\\"mat-tab-label-container\\\" #tabListContainer (keydown)=\\\"_handleKeydown($event)\\\">\\n  <div\\n    #tabList\\n    class=\\\"mat-tab-list\\\"\\n    [class._mat-animation-noopable]=\\\"_animationMode === 'NoopAnimations'\\\"\\n    role=\\\"tablist\\\"\\n    (cdkObserveContent)=\\\"_onContentChanges()\\\">\\n    <div class=\\\"mat-tab-labels\\\">\\n      <ng-content></ng-content>\\n    </div>\\n    <mat-ink-bar></mat-ink-bar>\\n  </div>\\n</div>\\n\\n<div class=\\\"mat-tab-header-pagination mat-tab-header-pagination-after mat-elevation-z4\\\"\\n     #nextPaginator\\n     aria-hidden=\\\"true\\\"\\n     mat-ripple [matRippleDisabled]=\\\"_disableScrollAfter || disableRipple\\\"\\n     [class.mat-tab-header-pagination-disabled]=\\\"_disableScrollAfter\\\"\\n     (mousedown)=\\\"_handlePaginatorPress('after', $event)\\\"\\n     (click)=\\\"_handlePaginatorClick('after')\\\"\\n     (touchend)=\\\"_stopInterval()\\\">\\n  <div class=\\\"mat-tab-header-pagination-chevron\\\"></div>\\n</div>\\n\",\n                    inputs: ['selectedIndex'],\n                    outputs: ['selectFocusedIndex', 'indexFocused'],\n                    encapsulation: ViewEncapsulation.None,\n                    // tslint:disable-next-line:validate-decorators\n                    changeDetection: ChangeDetectionStrategy.Default,\n                    host: {\n                        'class': 'mat-tab-header',\n                        '[class.mat-tab-header-pagination-controls-enabled]': '_showPaginationControls',\n                        '[class.mat-tab-header-rtl]': \"_getLayoutDirection() == 'rtl'\",\n                    },\n                    styles: [\".mat-tab-header{display:flex;overflow:hidden;position:relative;flex-shrink:0}.mat-tab-header-pagination{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;position:relative;display:none;justify-content:center;align-items:center;min-width:32px;cursor:pointer;z-index:2;-webkit-tap-highlight-color:transparent;touch-action:none}.mat-tab-header-pagination-controls-enabled .mat-tab-header-pagination{display:flex}.mat-tab-header-pagination-before,.mat-tab-header-rtl .mat-tab-header-pagination-after{padding-left:4px}.mat-tab-header-pagination-before .mat-tab-header-pagination-chevron,.mat-tab-header-rtl .mat-tab-header-pagination-after .mat-tab-header-pagination-chevron{transform:rotate(-135deg)}.mat-tab-header-rtl .mat-tab-header-pagination-before,.mat-tab-header-pagination-after{padding-right:4px}.mat-tab-header-rtl .mat-tab-header-pagination-before .mat-tab-header-pagination-chevron,.mat-tab-header-pagination-after .mat-tab-header-pagination-chevron{transform:rotate(45deg)}.mat-tab-header-pagination-chevron{border-style:solid;border-width:2px 2px 0 0;content:\\\"\\\";height:8px;width:8px}.mat-tab-header-pagination-disabled{box-shadow:none;cursor:default}.mat-tab-list{flex-grow:1;position:relative;transition:transform 500ms cubic-bezier(0.35, 0, 0.25, 1)}.mat-ink-bar{position:absolute;bottom:0;height:2px;transition:500ms cubic-bezier(0.35, 0, 0.25, 1)}._mat-animation-noopable.mat-ink-bar{transition:none;animation:none}.mat-tab-group-inverted-header .mat-ink-bar{bottom:auto;top:0}.cdk-high-contrast-active .mat-ink-bar{outline:solid 2px;height:0}.mat-tab-labels{display:flex}[mat-align-tabs=center] .mat-tab-labels{justify-content:center}[mat-align-tabs=end] .mat-tab-labels{justify-content:flex-end}.mat-tab-label-container{display:flex;flex-grow:1;overflow:hidden;z-index:1}._mat-animation-noopable.mat-tab-list{transition:none;animation:none}.mat-tab-label{height:48px;padding:0 24px;cursor:pointer;box-sizing:border-box;opacity:.6;min-width:160px;text-align:center;display:inline-flex;justify-content:center;align-items:center;white-space:nowrap;position:relative}.mat-tab-label:focus{outline:none}.mat-tab-label:focus:not(.mat-tab-disabled){opacity:1}.cdk-high-contrast-active .mat-tab-label:focus{outline:dotted 2px;outline-offset:-2px}.mat-tab-label.mat-tab-disabled{cursor:default}.cdk-high-contrast-active .mat-tab-label.mat-tab-disabled{opacity:.5}.mat-tab-label .mat-tab-label-content{display:inline-flex;justify-content:center;align-items:center;white-space:nowrap}.cdk-high-contrast-active .mat-tab-label{opacity:1}@media(max-width: 599px){.mat-tab-label{min-width:72px}}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatTabHeader.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: ChangeDetectorRef },\n        { type: ViewportRuler },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: NgZone },\n        { type: Platform },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    MatTabHeader.propDecorators = {\n        _items: [{ type: ContentChildren, args: [MatTabLabelWrapper, { descendants: false },] }],\n        _inkBar: [{ type: ViewChild, args: [MatInkBar, { static: true },] }],\n        _tabListContainer: [{ type: ViewChild, args: ['tabListContainer', { static: true },] }],\n        _tabList: [{ type: ViewChild, args: ['tabList', { static: true },] }],\n        _nextPaginator: [{ type: ViewChild, args: ['nextPaginator',] }],\n        _previousPaginator: [{ type: ViewChild, args: ['previousPaginator',] }]\n    };\n    return MatTabHeader;\n}(_MatTabHeaderBase));\n\n/**\n * Base class with all of the `MatTabNav` functionality.\n * @docs-private\n */\nvar _MatTabNavBase = /** @class */ (function (_super) {\n    __extends(_MatTabNavBase, _super);\n    function _MatTabNavBase(elementRef, dir, ngZone, changeDetectorRef, viewportRuler, \n    /**\n     * @deprecated @breaking-change 9.0.0 `platform` parameter to become required.\n     */\n    platform, animationMode) {\n        var _this = _super.call(this, elementRef, changeDetectorRef, viewportRuler, dir, ngZone, platform, animationMode) || this;\n        _this._disableRipple = false;\n        /** Theme color of the nav bar. */\n        _this.color = 'primary';\n        return _this;\n    }\n    Object.defineProperty(_MatTabNavBase.prototype, \"backgroundColor\", {\n        /** Background color of the tab nav. */\n        get: function () { return this._backgroundColor; },\n        set: function (value) {\n            var classList = this._elementRef.nativeElement.classList;\n            classList.remove(\"mat-background-\" + this.backgroundColor);\n            if (value) {\n                classList.add(\"mat-background-\" + value);\n            }\n            this._backgroundColor = value;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(_MatTabNavBase.prototype, \"disableRipple\", {\n        /** Whether the ripple effect is disabled or not. */\n        get: function () { return this._disableRipple; },\n        set: function (value) { this._disableRipple = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    _MatTabNavBase.prototype._itemSelected = function () {\n        // noop\n    };\n    _MatTabNavBase.prototype.ngAfterContentInit = function () {\n        var _this = this;\n        // We need this to run before the `changes` subscription in parent to ensure that the\n        // selectedIndex is up-to-date by the time the super class starts looking for it.\n        this._items.changes.pipe(startWith(null), takeUntil(this._destroyed)).subscribe(function () {\n            _this.updateActiveLink();\n        });\n        _super.prototype.ngAfterContentInit.call(this);\n    };\n    /**\n     * Notifies the component that the active link has been changed.\n     * @breaking-change 8.0.0 `element` parameter to be removed.\n     */\n    _MatTabNavBase.prototype.updateActiveLink = function (_element) {\n        if (!this._items) {\n            return;\n        }\n        var items = this._items.toArray();\n        for (var i = 0; i < items.length; i++) {\n            if (items[i].active) {\n                this.selectedIndex = i;\n                this._changeDetectorRef.markForCheck();\n                return;\n            }\n        }\n        // The ink bar should hide itself if no items are active.\n        this.selectedIndex = -1;\n        this._inkBar.hide();\n    };\n    _MatTabNavBase.decorators = [\n        { type: Directive }\n    ];\n    /** @nocollapse */\n    _MatTabNavBase.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: NgZone },\n        { type: ChangeDetectorRef },\n        { type: ViewportRuler },\n        { type: Platform, decorators: [{ type: Optional }] },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    _MatTabNavBase.propDecorators = {\n        backgroundColor: [{ type: Input }],\n        disableRipple: [{ type: Input }],\n        color: [{ type: Input }]\n    };\n    return _MatTabNavBase;\n}(MatPaginatedTabHeader));\n/**\n * Navigation component matching the styles of the tab group header.\n * Provides anchored navigation with animated ink bar.\n */\nvar MatTabNav = /** @class */ (function (_super) {\n    __extends(MatTabNav, _super);\n    function MatTabNav(elementRef, dir, ngZone, changeDetectorRef, viewportRuler, \n    /**\n     * @deprecated @breaking-change 9.0.0 `platform` parameter to become required.\n     */\n    platform, animationMode) {\n        return _super.call(this, elementRef, dir, ngZone, changeDetectorRef, viewportRuler, platform, animationMode) || this;\n    }\n    MatTabNav.decorators = [\n        { type: Component, args: [{\n                    selector: '[mat-tab-nav-bar]',\n                    exportAs: 'matTabNavBar, matTabNav',\n                    inputs: ['color'],\n                    template: \"<div class=\\\"mat-tab-header-pagination mat-tab-header-pagination-before mat-elevation-z4\\\"\\n     #previousPaginator\\n     aria-hidden=\\\"true\\\"\\n     mat-ripple [matRippleDisabled]=\\\"_disableScrollBefore || disableRipple\\\"\\n     [class.mat-tab-header-pagination-disabled]=\\\"_disableScrollBefore\\\"\\n     (click)=\\\"_handlePaginatorClick('before')\\\"\\n     (mousedown)=\\\"_handlePaginatorPress('before', $event)\\\"\\n     (touchend)=\\\"_stopInterval()\\\">\\n  <div class=\\\"mat-tab-header-pagination-chevron\\\"></div>\\n</div>\\n\\n<div class=\\\"mat-tab-link-container\\\" #tabListContainer (keydown)=\\\"_handleKeydown($event)\\\">\\n  <div class=\\\"mat-tab-list\\\" #tabList (cdkObserveContent)=\\\"_onContentChanges()\\\">\\n    <div class=\\\"mat-tab-links\\\">\\n      <ng-content></ng-content>\\n    </div>\\n    <mat-ink-bar></mat-ink-bar>\\n  </div>\\n</div>\\n\\n<div class=\\\"mat-tab-header-pagination mat-tab-header-pagination-after mat-elevation-z4\\\"\\n     #nextPaginator\\n     aria-hidden=\\\"true\\\"\\n     mat-ripple [matRippleDisabled]=\\\"_disableScrollAfter || disableRipple\\\"\\n     [class.mat-tab-header-pagination-disabled]=\\\"_disableScrollAfter\\\"\\n     (mousedown)=\\\"_handlePaginatorPress('after', $event)\\\"\\n     (click)=\\\"_handlePaginatorClick('after')\\\"\\n     (touchend)=\\\"_stopInterval()\\\">\\n  <div class=\\\"mat-tab-header-pagination-chevron\\\"></div>\\n</div>\\n\",\n                    host: {\n                        'class': 'mat-tab-nav-bar mat-tab-header',\n                        '[class.mat-tab-header-pagination-controls-enabled]': '_showPaginationControls',\n                        '[class.mat-tab-header-rtl]': \"_getLayoutDirection() == 'rtl'\",\n                        '[class.mat-primary]': 'color !== \"warn\" && color !== \"accent\"',\n                        '[class.mat-accent]': 'color === \"accent\"',\n                        '[class.mat-warn]': 'color === \"warn\"',\n                    },\n                    encapsulation: ViewEncapsulation.None,\n                    // tslint:disable-next-line:validate-decorators\n                    changeDetection: ChangeDetectionStrategy.Default,\n                    styles: [\".mat-tab-header{display:flex;overflow:hidden;position:relative;flex-shrink:0}.mat-tab-header-pagination{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;position:relative;display:none;justify-content:center;align-items:center;min-width:32px;cursor:pointer;z-index:2;-webkit-tap-highlight-color:transparent;touch-action:none}.mat-tab-header-pagination-controls-enabled .mat-tab-header-pagination{display:flex}.mat-tab-header-pagination-before,.mat-tab-header-rtl .mat-tab-header-pagination-after{padding-left:4px}.mat-tab-header-pagination-before .mat-tab-header-pagination-chevron,.mat-tab-header-rtl .mat-tab-header-pagination-after .mat-tab-header-pagination-chevron{transform:rotate(-135deg)}.mat-tab-header-rtl .mat-tab-header-pagination-before,.mat-tab-header-pagination-after{padding-right:4px}.mat-tab-header-rtl .mat-tab-header-pagination-before .mat-tab-header-pagination-chevron,.mat-tab-header-pagination-after .mat-tab-header-pagination-chevron{transform:rotate(45deg)}.mat-tab-header-pagination-chevron{border-style:solid;border-width:2px 2px 0 0;content:\\\"\\\";height:8px;width:8px}.mat-tab-header-pagination-disabled{box-shadow:none;cursor:default}.mat-tab-list{flex-grow:1;position:relative;transition:transform 500ms cubic-bezier(0.35, 0, 0.25, 1)}.mat-tab-links{display:flex}[mat-align-tabs=center] .mat-tab-links{justify-content:center}[mat-align-tabs=end] .mat-tab-links{justify-content:flex-end}.mat-ink-bar{position:absolute;bottom:0;height:2px;transition:500ms cubic-bezier(0.35, 0, 0.25, 1)}._mat-animation-noopable.mat-ink-bar{transition:none;animation:none}.mat-tab-group-inverted-header .mat-ink-bar{bottom:auto;top:0}.cdk-high-contrast-active .mat-ink-bar{outline:solid 2px;height:0}.mat-tab-link-container{display:flex;flex-grow:1;overflow:hidden;z-index:1}.mat-tab-link{height:48px;padding:0 24px;cursor:pointer;box-sizing:border-box;opacity:.6;min-width:160px;text-align:center;display:inline-flex;justify-content:center;align-items:center;white-space:nowrap;vertical-align:top;text-decoration:none;position:relative;overflow:hidden;-webkit-tap-highlight-color:transparent}.mat-tab-link:focus{outline:none}.mat-tab-link:focus:not(.mat-tab-disabled){opacity:1}.cdk-high-contrast-active .mat-tab-link:focus{outline:dotted 2px;outline-offset:-2px}.mat-tab-link.mat-tab-disabled{cursor:default}.cdk-high-contrast-active .mat-tab-link.mat-tab-disabled{opacity:.5}.mat-tab-link .mat-tab-label-content{display:inline-flex;justify-content:center;align-items:center;white-space:nowrap}.cdk-high-contrast-active .mat-tab-link{opacity:1}[mat-stretch-tabs] .mat-tab-link{flex-basis:0;flex-grow:1}.mat-tab-link.mat-tab-disabled{pointer-events:none}@media(max-width: 599px){.mat-tab-link{min-width:72px}}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatTabNav.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: NgZone },\n        { type: ChangeDetectorRef },\n        { type: ViewportRuler },\n        { type: Platform, decorators: [{ type: Optional }] },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    MatTabNav.propDecorators = {\n        _items: [{ type: ContentChildren, args: [forwardRef(function () { return MatTabLink; }), { descendants: true },] }],\n        _inkBar: [{ type: ViewChild, args: [MatInkBar, { static: true },] }],\n        _tabListContainer: [{ type: ViewChild, args: ['tabListContainer', { static: true },] }],\n        _tabList: [{ type: ViewChild, args: ['tabList', { static: true },] }],\n        _nextPaginator: [{ type: ViewChild, args: ['nextPaginator',] }],\n        _previousPaginator: [{ type: ViewChild, args: ['previousPaginator',] }]\n    };\n    return MatTabNav;\n}(_MatTabNavBase));\n// Boilerplate for applying mixins to MatTabLink.\nvar MatTabLinkMixinBase = /** @class */ (function () {\n    function MatTabLinkMixinBase() {\n    }\n    return MatTabLinkMixinBase;\n}());\nvar _MatTabLinkMixinBase = mixinTabIndex(mixinDisableRipple(mixinDisabled(MatTabLinkMixinBase)));\n/** Base class with all of the `MatTabLink` functionality. */\nvar _MatTabLinkBase = /** @class */ (function (_super) {\n    __extends(_MatTabLinkBase, _super);\n    function _MatTabLinkBase(_tabNavBar, elementRef, globalRippleOptions, tabIndex, _focusMonitor, animationMode) {\n        var _this = _super.call(this) || this;\n        _this._tabNavBar = _tabNavBar;\n        _this.elementRef = elementRef;\n        _this._focusMonitor = _focusMonitor;\n        /** Whether the tab link is active or not. */\n        _this._isActive = false;\n        _this.rippleConfig = globalRippleOptions || {};\n        _this.tabIndex = parseInt(tabIndex) || 0;\n        if (animationMode === 'NoopAnimations') {\n            _this.rippleConfig.animation = { enterDuration: 0, exitDuration: 0 };\n        }\n        _focusMonitor.monitor(elementRef);\n        return _this;\n    }\n    Object.defineProperty(_MatTabLinkBase.prototype, \"active\", {\n        /** Whether the link is active. */\n        get: function () { return this._isActive; },\n        set: function (value) {\n            if (value !== this._isActive) {\n                this._isActive = value;\n                this._tabNavBar.updateActiveLink(this.elementRef);\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(_MatTabLinkBase.prototype, \"rippleDisabled\", {\n        /**\n         * Whether ripples are disabled on interaction.\n         * @docs-private\n         */\n        get: function () {\n            return this.disabled || this.disableRipple || this._tabNavBar.disableRipple ||\n                !!this.rippleConfig.disabled;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    _MatTabLinkBase.prototype.focus = function () {\n        this.elementRef.nativeElement.focus();\n    };\n    _MatTabLinkBase.prototype.ngOnDestroy = function () {\n        this._focusMonitor.stopMonitoring(this.elementRef);\n    };\n    _MatTabLinkBase.decorators = [\n        { type: Directive }\n    ];\n    /** @nocollapse */\n    _MatTabLinkBase.ctorParameters = function () { return [\n        { type: _MatTabNavBase },\n        { type: ElementRef },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_RIPPLE_GLOBAL_OPTIONS,] }] },\n        { type: String, decorators: [{ type: Attribute, args: ['tabindex',] }] },\n        { type: FocusMonitor },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    _MatTabLinkBase.propDecorators = {\n        active: [{ type: Input }]\n    };\n    return _MatTabLinkBase;\n}(_MatTabLinkMixinBase));\n/**\n * Link inside of a `mat-tab-nav-bar`.\n */\nvar MatTabLink = /** @class */ (function (_super) {\n    __extends(MatTabLink, _super);\n    function MatTabLink(tabNavBar, elementRef, ngZone, platform, globalRippleOptions, tabIndex, focusMonitor, animationMode) {\n        var _this = _super.call(this, tabNavBar, elementRef, globalRippleOptions, tabIndex, focusMonitor, animationMode) || this;\n        _this._tabLinkRipple = new RippleRenderer(_this, ngZone, elementRef, platform);\n        _this._tabLinkRipple.setupTriggerEvents(elementRef.nativeElement);\n        return _this;\n    }\n    MatTabLink.prototype.ngOnDestroy = function () {\n        _super.prototype.ngOnDestroy.call(this);\n        this._tabLinkRipple._removeTriggerEvents();\n    };\n    MatTabLink.decorators = [\n        { type: Directive, args: [{\n                    selector: '[mat-tab-link], [matTabLink]',\n                    exportAs: 'matTabLink',\n                    inputs: ['disabled', 'disableRipple', 'tabIndex'],\n                    host: {\n                        'class': 'mat-tab-link',\n                        '[attr.aria-current]': 'active ? \"page\" : null',\n                        '[attr.aria-disabled]': 'disabled',\n                        '[attr.tabIndex]': 'tabIndex',\n                        '[class.mat-tab-disabled]': 'disabled',\n                        '[class.mat-tab-label-active]': 'active',\n                    }\n                },] }\n    ];\n    /** @nocollapse */\n    MatTabLink.ctorParameters = function () { return [\n        { type: MatTabNav },\n        { type: ElementRef },\n        { type: NgZone },\n        { type: Platform },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_RIPPLE_GLOBAL_OPTIONS,] }] },\n        { type: String, decorators: [{ type: Attribute, args: ['tabindex',] }] },\n        { type: FocusMonitor },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    return MatTabLink;\n}(_MatTabLinkBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatTabsModule = /** @class */ (function () {\n    function MatTabsModule() {\n    }\n    MatTabsModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [\n                        CommonModule,\n                        MatCommonModule,\n                        PortalModule,\n                        MatRippleModule,\n                        ObserversModule,\n                        A11yModule,\n                    ],\n                    // Don't export all components because some are only to be used internally.\n                    exports: [\n                        MatCommonModule,\n                        MatTabGroup,\n                        MatTabLabel,\n                        MatTab,\n                        MatTabNav,\n                        MatTabLink,\n                        MatTabContent,\n                    ],\n                    declarations: [\n                        MatTabGroup,\n                        MatTabLabel,\n                        MatTab,\n                        MatInkBar,\n                        MatTabLabelWrapper,\n                        MatTabNav,\n                        MatTabLink,\n                        MatTabBody,\n                        MatTabBodyPortal,\n                        MatTabHeader,\n                        MatTabContent,\n                    ],\n                },] }\n    ];\n    return MatTabsModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MAT_TABS_CONFIG, MAT_TAB_GROUP, MatInkBar, MatTab, MatTabBody, MatTabBodyPortal, MatTabChangeEvent, MatTabContent, MatTabGroup, MatTabHeader, MatTabLabel, MatTabLabelWrapper, MatTabLink, MatTabNav, MatTabsModule, _MAT_INK_BAR_POSITIONER, _MatTabBodyBase, _MatTabGroupBase, _MatTabHeaderBase, _MatTabLinkBase, _MatTabNavBase, matTabsAnimations, _MAT_INK_BAR_POSITIONER_FACTORY as ɵangular_material_src_material_tabs_tabs_a, MatPaginatedTabHeader as ɵangular_material_src_material_tabs_tabs_b };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// TODO Parse shadow style\n// TODO Only shallow path support\nimport * as zrUtil from 'zrender/lib/core/util';\nexport default function makeStyleMapper(properties, ignoreParent) {\n  // Normalize\n  for (var i = 0; i < properties.length; i++) {\n    if (!properties[i][1]) {\n      properties[i][1] = properties[i][0];\n    }\n  }\n\n  ignoreParent = ignoreParent || false;\n  return function (model, excludes, includes) {\n    var style = {};\n\n    for (var i = 0; i < properties.length; i++) {\n      var propName = properties[i][1];\n\n      if (excludes && zrUtil.indexOf(excludes, propName) >= 0 || includes && zrUtil.indexOf(includes, propName) < 0) {\n        continue;\n      }\n\n      var val = model.getShallow(propName, ignoreParent);\n\n      if (val != null) {\n        style[properties[i][0]] = val;\n      }\n    } // TODO Text or image?\n\n\n    return style;\n  };\n}","require('./angular');\nmodule.exports = angular;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar _a, _b, _c; // TODO\n// ??? refactor? check the outer usage of data provider.\n// merge with defaultDimValueGetter?\n\n\nimport { isTypedArray, extend, assert, each, isObject, bind } from 'zrender/lib/core/util';\nimport { getDataItemValue } from '../../util/model';\nimport { createSourceFromSeriesDataOption, isSourceInstance } from '../Source';\nimport { SOURCE_FORMAT_ORIGINAL, SOURCE_FORMAT_OBJECT_ROWS, SOURCE_FORMAT_KEYED_COLUMNS, SOURCE_FORMAT_TYPED_ARRAY, SOURCE_FORMAT_ARRAY_ROWS, SERIES_LAYOUT_BY_COLUMN, SERIES_LAYOUT_BY_ROW } from '../../util/types';\nvar providerMethods;\nvar mountMethods;\n/**\n * If normal array used, mutable chunk size is supported.\n * If typed array used, chunk size must be fixed.\n */\n\nvar DefaultDataProvider =\n/** @class */\nfunction () {\n  function DefaultDataProvider(sourceParam, dimSize) {\n    // let source: Source;\n    var source = !isSourceInstance(sourceParam) ? createSourceFromSeriesDataOption(sourceParam) : sourceParam; // declare source is Source;\n\n    this._source = source;\n    var data = this._data = source.data; // Typed array. TODO IE10+?\n\n    if (source.sourceFormat === SOURCE_FORMAT_TYPED_ARRAY) {\n      if (process.env.NODE_ENV !== 'production') {\n        if (dimSize == null) {\n          throw new Error('Typed array data must specify dimension size');\n        }\n      }\n\n      this._offset = 0;\n      this._dimSize = dimSize;\n      this._data = data;\n    }\n\n    mountMethods(this, data, source);\n  }\n\n  DefaultDataProvider.prototype.getSource = function () {\n    return this._source;\n  };\n\n  DefaultDataProvider.prototype.count = function () {\n    return 0;\n  };\n\n  DefaultDataProvider.prototype.getItem = function (idx, out) {\n    return;\n  };\n\n  DefaultDataProvider.prototype.appendData = function (newData) {};\n\n  DefaultDataProvider.prototype.clean = function () {};\n\n  DefaultDataProvider.protoInitialize = function () {\n    // PENDING: To avoid potential incompat (e.g., prototype\n    // is visited somewhere), still init them on prototype.\n    var proto = DefaultDataProvider.prototype;\n    proto.pure = false;\n    proto.persistent = true;\n  }();\n\n  DefaultDataProvider.internalField = function () {\n    var _a;\n\n    mountMethods = function (provider, data, source) {\n      var sourceFormat = source.sourceFormat;\n      var seriesLayoutBy = source.seriesLayoutBy;\n      var startIndex = source.startIndex;\n      var dimsDef = source.dimensionsDefine;\n      var methods = providerMethods[getMethodMapKey(sourceFormat, seriesLayoutBy)];\n\n      if (process.env.NODE_ENV !== 'production') {\n        assert(methods, 'Invalide sourceFormat: ' + sourceFormat);\n      }\n\n      extend(provider, methods);\n\n      if (sourceFormat === SOURCE_FORMAT_TYPED_ARRAY) {\n        provider.getItem = getItemForTypedArray;\n        provider.count = countForTypedArray;\n        provider.fillStorage = fillStorageForTypedArray;\n      } else {\n        var rawItemGetter = getRawSourceItemGetter(sourceFormat, seriesLayoutBy);\n        provider.getItem = bind(rawItemGetter, null, data, startIndex, dimsDef);\n        var rawCounter = getRawSourceDataCounter(sourceFormat, seriesLayoutBy);\n        provider.count = bind(rawCounter, null, data, startIndex, dimsDef);\n      }\n    };\n\n    var getItemForTypedArray = function (idx, out) {\n      idx = idx - this._offset;\n      out = out || [];\n      var data = this._data;\n      var dimSize = this._dimSize;\n      var offset = dimSize * idx;\n\n      for (var i = 0; i < dimSize; i++) {\n        out[i] = data[offset + i];\n      }\n\n      return out;\n    };\n\n    var fillStorageForTypedArray = function (start, end, storage, extent) {\n      var data = this._data;\n      var dimSize = this._dimSize;\n\n      for (var dim = 0; dim < dimSize; dim++) {\n        var dimExtent = extent[dim];\n        var min = dimExtent[0] == null ? Infinity : dimExtent[0];\n        var max = dimExtent[1] == null ? -Infinity : dimExtent[1];\n        var count = end - start;\n        var arr = storage[dim];\n\n        for (var i = 0; i < count; i++) {\n          // appendData with TypedArray will always do replace in provider.\n          var val = data[i * dimSize + dim];\n          arr[start + i] = val;\n          val < min && (min = val);\n          val > max && (max = val);\n        }\n\n        dimExtent[0] = min;\n        dimExtent[1] = max;\n      }\n    };\n\n    var countForTypedArray = function () {\n      return this._data ? this._data.length / this._dimSize : 0;\n    };\n\n    providerMethods = (_a = {}, _a[SOURCE_FORMAT_ARRAY_ROWS + '_' + SERIES_LAYOUT_BY_COLUMN] = {\n      pure: true,\n      appendData: appendDataSimply\n    }, _a[SOURCE_FORMAT_ARRAY_ROWS + '_' + SERIES_LAYOUT_BY_ROW] = {\n      pure: true,\n      appendData: function () {\n        throw new Error('Do not support appendData when set seriesLayoutBy: \"row\".');\n      }\n    }, _a[SOURCE_FORMAT_OBJECT_ROWS] = {\n      pure: true,\n      appendData: appendDataSimply\n    }, _a[SOURCE_FORMAT_KEYED_COLUMNS] = {\n      pure: true,\n      appendData: function (newData) {\n        var data = this._data;\n        each(newData, function (newCol, key) {\n          var oldCol = data[key] || (data[key] = []);\n\n          for (var i = 0; i < (newCol || []).length; i++) {\n            oldCol.push(newCol[i]);\n          }\n        });\n      }\n    }, _a[SOURCE_FORMAT_ORIGINAL] = {\n      appendData: appendDataSimply\n    }, _a[SOURCE_FORMAT_TYPED_ARRAY] = {\n      persistent: false,\n      pure: true,\n      appendData: function (newData) {\n        if (process.env.NODE_ENV !== 'production') {\n          assert(isTypedArray(newData), 'Added data must be TypedArray if data in initialization is TypedArray');\n        }\n\n        this._data = newData;\n      },\n      // Clean self if data is already used.\n      clean: function () {\n        // PENDING\n        this._offset += this.count();\n        this._data = null;\n      }\n    }, _a);\n\n    function appendDataSimply(newData) {\n      for (var i = 0; i < newData.length; i++) {\n        this._data.push(newData[i]);\n      }\n    }\n  }();\n\n  return DefaultDataProvider;\n}();\n\nexport { DefaultDataProvider };\n\nvar getItemSimply = function (rawData, startIndex, dimsDef, idx) {\n  return rawData[idx];\n};\n\nvar rawSourceItemGetterMap = (_a = {}, _a[SOURCE_FORMAT_ARRAY_ROWS + '_' + SERIES_LAYOUT_BY_COLUMN] = function (rawData, startIndex, dimsDef, idx) {\n  return rawData[idx + startIndex];\n}, _a[SOURCE_FORMAT_ARRAY_ROWS + '_' + SERIES_LAYOUT_BY_ROW] = function (rawData, startIndex, dimsDef, idx) {\n  idx += startIndex;\n  var item = [];\n  var data = rawData;\n\n  for (var i = 0; i < data.length; i++) {\n    var row = data[i];\n    item.push(row ? row[idx] : null);\n  }\n\n  return item;\n}, _a[SOURCE_FORMAT_OBJECT_ROWS] = getItemSimply, _a[SOURCE_FORMAT_KEYED_COLUMNS] = function (rawData, startIndex, dimsDef, idx) {\n  var item = [];\n\n  for (var i = 0; i < dimsDef.length; i++) {\n    var dimName = dimsDef[i].name;\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (dimName == null) {\n        throw new Error();\n      }\n    }\n\n    var col = rawData[dimName];\n    item.push(col ? col[idx] : null);\n  }\n\n  return item;\n}, _a[SOURCE_FORMAT_ORIGINAL] = getItemSimply, _a);\nexport function getRawSourceItemGetter(sourceFormat, seriesLayoutBy) {\n  var method = rawSourceItemGetterMap[getMethodMapKey(sourceFormat, seriesLayoutBy)];\n\n  if (process.env.NODE_ENV !== 'production') {\n    assert(method, 'Do not suppport get item on \"' + sourceFormat + '\", \"' + seriesLayoutBy + '\".');\n  }\n\n  return method;\n}\n\nvar countSimply = function (rawData, startIndex, dimsDef) {\n  return rawData.length;\n};\n\nvar rawSourceDataCounterMap = (_b = {}, _b[SOURCE_FORMAT_ARRAY_ROWS + '_' + SERIES_LAYOUT_BY_COLUMN] = function (rawData, startIndex, dimsDef) {\n  return Math.max(0, rawData.length - startIndex);\n}, _b[SOURCE_FORMAT_ARRAY_ROWS + '_' + SERIES_LAYOUT_BY_ROW] = function (rawData, startIndex, dimsDef) {\n  var row = rawData[0];\n  return row ? Math.max(0, row.length - startIndex) : 0;\n}, _b[SOURCE_FORMAT_OBJECT_ROWS] = countSimply, _b[SOURCE_FORMAT_KEYED_COLUMNS] = function (rawData, startIndex, dimsDef) {\n  var dimName = dimsDef[0].name;\n\n  if (process.env.NODE_ENV !== 'production') {\n    if (dimName == null) {\n      throw new Error();\n    }\n  }\n\n  var col = rawData[dimName];\n  return col ? col.length : 0;\n}, _b[SOURCE_FORMAT_ORIGINAL] = countSimply, _b);\nexport function getRawSourceDataCounter(sourceFormat, seriesLayoutBy) {\n  var method = rawSourceDataCounterMap[getMethodMapKey(sourceFormat, seriesLayoutBy)];\n\n  if (process.env.NODE_ENV !== 'production') {\n    assert(method, 'Do not suppport count on \"' + sourceFormat + '\", \"' + seriesLayoutBy + '\".');\n  }\n\n  return method;\n}\n\nvar getRawValueSimply = function (dataItem, dimIndex, dimName) {\n  return dimIndex != null ? dataItem[dimIndex] : dataItem;\n};\n\nvar rawSourceValueGetterMap = (_c = {}, _c[SOURCE_FORMAT_ARRAY_ROWS] = getRawValueSimply, _c[SOURCE_FORMAT_OBJECT_ROWS] = function (dataItem, dimIndex, dimName) {\n  return dimIndex != null ? dataItem[dimName] : dataItem;\n}, _c[SOURCE_FORMAT_KEYED_COLUMNS] = getRawValueSimply, _c[SOURCE_FORMAT_ORIGINAL] = function (dataItem, dimIndex, dimName) {\n  // FIXME: In some case (markpoint in geo (geo-map.html)),\n  // dataItem is {coord: [...]}\n  var value = getDataItemValue(dataItem);\n  return dimIndex == null || !(value instanceof Array) ? value : value[dimIndex];\n}, _c[SOURCE_FORMAT_TYPED_ARRAY] = getRawValueSimply, _c);\nexport function getRawSourceValueGetter(sourceFormat) {\n  var method = rawSourceValueGetterMap[sourceFormat];\n\n  if (process.env.NODE_ENV !== 'production') {\n    assert(method, 'Do not suppport get value on \"' + sourceFormat + '\".');\n  }\n\n  return method;\n}\n\nfunction getMethodMapKey(sourceFormat, seriesLayoutBy) {\n  return sourceFormat === SOURCE_FORMAT_ARRAY_ROWS ? sourceFormat + '_' + seriesLayoutBy : sourceFormat;\n} // ??? FIXME can these logic be more neat: getRawValue, getRawDataItem,\n// Consider persistent.\n// Caution: why use raw value to display on label or tooltip?\n// A reason is to avoid format. For example time value we do not know\n// how to format is expected. More over, if stack is used, calculated\n// value may be 0.91000000001, which have brings trouble to display.\n// TODO: consider how to treat null/undefined/NaN when display?\n\n\nexport function retrieveRawValue(data, dataIndex, dim // If dimIndex is null/undefined, return OptionDataItem.\n// Otherwise, return OptionDataValue.\n) {\n  if (!data) {\n    return;\n  } // Consider data may be not persistent.\n\n\n  var dataItem = data.getRawDataItem(dataIndex);\n\n  if (dataItem == null) {\n    return;\n  }\n\n  var sourceFormat = data.getProvider().getSource().sourceFormat;\n  var dimName;\n  var dimIndex;\n  var dimInfo = data.getDimensionInfo(dim);\n\n  if (dimInfo) {\n    dimName = dimInfo.name;\n    dimIndex = dimInfo.index;\n  }\n\n  return getRawSourceValueGetter(sourceFormat)(dataItem, dimIndex, dimName);\n}\n/**\n * Compatible with some cases (in pie, map) like:\n * data: [{name: 'xx', value: 5, selected: true}, ...]\n * where only sourceFormat is 'original' and 'objectRows' supported.\n *\n * // TODO\n * Supported detail options in data item when using 'arrayRows'.\n *\n * @param data\n * @param dataIndex\n * @param attr like 'selected'\n */\n\nexport function retrieveRawAttr(data, dataIndex, attr) {\n  if (!data) {\n    return;\n  }\n\n  var sourceFormat = data.getProvider().getSource().sourceFormat;\n\n  if (sourceFormat !== SOURCE_FORMAT_ORIGINAL && sourceFormat !== SOURCE_FORMAT_OBJECT_ROWS) {\n    return;\n  }\n\n  var dataItem = data.getRawDataItem(dataIndex);\n\n  if (sourceFormat === SOURCE_FORMAT_ORIGINAL && !isObject(dataItem)) {\n    dataItem = null;\n  }\n\n  if (dataItem) {\n    return dataItem[attr];\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { each, createHashMap, assert } from 'zrender/lib/core/util';\nimport { VISUAL_DIMENSIONS } from '../../util/types';\nexport function summarizeDimensions(data) {\n  var summary = {};\n  var encode = summary.encode = {};\n  var notExtraCoordDimMap = createHashMap();\n  var defaultedLabel = [];\n  var defaultedTooltip = []; // See the comment of `List.js#userOutput`.\n\n  var userOutput = summary.userOutput = {\n    dimensionNames: data.dimensions.slice(),\n    encode: {}\n  };\n  each(data.dimensions, function (dimName) {\n    var dimItem = data.getDimensionInfo(dimName);\n    var coordDim = dimItem.coordDim;\n\n    if (coordDim) {\n      if (process.env.NODE_ENV !== 'production') {\n        assert(VISUAL_DIMENSIONS.get(coordDim) == null);\n      }\n\n      var coordDimIndex = dimItem.coordDimIndex;\n      getOrCreateEncodeArr(encode, coordDim)[coordDimIndex] = dimName;\n\n      if (!dimItem.isExtraCoord) {\n        notExtraCoordDimMap.set(coordDim, 1); // Use the last coord dim (and label friendly) as default label,\n        // because when dataset is used, it is hard to guess which dimension\n        // can be value dimension. If both show x, y on label is not look good,\n        // and conventionally y axis is focused more.\n\n        if (mayLabelDimType(dimItem.type)) {\n          defaultedLabel[0] = dimName;\n        } // User output encode do not contain generated coords.\n        // And it only has index. User can use index to retrieve value from the raw item array.\n\n\n        getOrCreateEncodeArr(userOutput.encode, coordDim)[coordDimIndex] = dimItem.index;\n      }\n\n      if (dimItem.defaultTooltip) {\n        defaultedTooltip.push(dimName);\n      }\n    }\n\n    VISUAL_DIMENSIONS.each(function (v, otherDim) {\n      var encodeArr = getOrCreateEncodeArr(encode, otherDim);\n      var dimIndex = dimItem.otherDims[otherDim];\n\n      if (dimIndex != null && dimIndex !== false) {\n        encodeArr[dimIndex] = dimItem.name;\n      }\n    });\n  });\n  var dataDimsOnCoord = [];\n  var encodeFirstDimNotExtra = {};\n  notExtraCoordDimMap.each(function (v, coordDim) {\n    var dimArr = encode[coordDim];\n    encodeFirstDimNotExtra[coordDim] = dimArr[0]; // Not necessary to remove duplicate, because a data\n    // dim canot on more than one coordDim.\n\n    dataDimsOnCoord = dataDimsOnCoord.concat(dimArr);\n  });\n  summary.dataDimsOnCoord = dataDimsOnCoord;\n  summary.encodeFirstDimNotExtra = encodeFirstDimNotExtra;\n  var encodeLabel = encode.label; // FIXME `encode.label` is not recommanded, because formatter can not be set\n  // in this way. Use label.formatter instead. May be remove this approach someday.\n\n  if (encodeLabel && encodeLabel.length) {\n    defaultedLabel = encodeLabel.slice();\n  }\n\n  var encodeTooltip = encode.tooltip;\n\n  if (encodeTooltip && encodeTooltip.length) {\n    defaultedTooltip = encodeTooltip.slice();\n  } else if (!defaultedTooltip.length) {\n    defaultedTooltip = defaultedLabel.slice();\n  }\n\n  encode.defaultedLabel = defaultedLabel;\n  encode.defaultedTooltip = defaultedTooltip;\n  return summary;\n}\n\nfunction getOrCreateEncodeArr(encode, dim) {\n  if (!encode.hasOwnProperty(dim)) {\n    encode[dim] = [];\n  }\n\n  return encode[dim];\n} // FIXME:TS should be type `AxisType`\n\n\nexport function getDimensionTypeByAxis(axisType) {\n  return axisType === 'category' ? 'ordinal' : axisType === 'time' ? 'time' : 'float';\n}\n\nfunction mayLabelDimType(dimType) {\n  // In most cases, ordinal and time do not suitable for label.\n  // Ordinal info can be displayed on axis. Time is too long.\n  return !(dimType === 'ordinal' || dimType === 'time');\n} // function findTheLastDimMayLabel(data) {\n//     // Get last value dim\n//     let dimensions = data.dimensions.slice();\n//     let valueType;\n//     let valueDim;\n//     while (dimensions.length && (\n//         valueDim = dimensions.pop(),\n//         valueType = data.getDimensionInfo(valueDim).type,\n//         valueType === 'ordinal' || valueType === 'time'\n//     )) {} // jshint ignore:line\n//     return valueDim;\n// }","var dpr = 1;\nif (typeof window !== 'undefined') {\n    dpr = Math.max(window.devicePixelRatio\n        || (window.screen && window.screen.deviceXDPI / window.screen.logicalXDPI)\n        || 1, 1);\n}\nexport var debugMode = 0;\nexport var devicePixelRatio = dpr;\nexport var DARK_MODE_THRESHOLD = 0.4;\nexport var DARK_LABEL_COLOR = '#333';\nexport var LIGHT_LABEL_COLOR = '#ccc';\nexport var LIGHTER_LABEL_COLOR = '#eee';\n","import { __extends } from \"tslib\";\nimport * as zrUtil from '../core/util';\nimport Element from '../Element';\nimport BoundingRect from '../core/BoundingRect';\nvar Group = (function (_super) {\n    __extends(Group, _super);\n    function Group(opts) {\n        var _this = _super.call(this) || this;\n        _this.isGroup = true;\n        _this._children = [];\n        _this.attr(opts);\n        return _this;\n    }\n    Group.prototype.childrenRef = function () {\n        return this._children;\n    };\n    Group.prototype.children = function () {\n        return this._children.slice();\n    };\n    Group.prototype.childAt = function (idx) {\n        return this._children[idx];\n    };\n    Group.prototype.childOfName = function (name) {\n        var children = this._children;\n        for (var i = 0; i < children.length; i++) {\n            if (children[i].name === name) {\n                return children[i];\n            }\n        }\n    };\n    Group.prototype.childCount = function () {\n        return this._children.length;\n    };\n    Group.prototype.add = function (child) {\n        if (child) {\n            if (child !== this && child.parent !== this) {\n                this._children.push(child);\n                this._doAdd(child);\n            }\n            if (child.__hostTarget) {\n                throw 'This elemenet has been used as an attachment';\n            }\n        }\n        return this;\n    };\n    Group.prototype.addBefore = function (child, nextSibling) {\n        if (child && child !== this && child.parent !== this\n            && nextSibling && nextSibling.parent === this) {\n            var children = this._children;\n            var idx = children.indexOf(nextSibling);\n            if (idx >= 0) {\n                children.splice(idx, 0, child);\n                this._doAdd(child);\n            }\n        }\n        return this;\n    };\n    Group.prototype.replaceAt = function (child, index) {\n        var children = this._children;\n        var old = children[index];\n        if (child && child !== this && child.parent !== this && child !== old) {\n            children[index] = child;\n            old.parent = null;\n            var zr = this.__zr;\n            if (zr) {\n                old.removeSelfFromZr(zr);\n            }\n            this._doAdd(child);\n        }\n        return this;\n    };\n    Group.prototype._doAdd = function (child) {\n        if (child.parent) {\n            child.parent.remove(child);\n        }\n        child.parent = this;\n        var zr = this.__zr;\n        if (zr && zr !== child.__zr) {\n            child.addSelfToZr(zr);\n        }\n        zr && zr.refresh();\n    };\n    Group.prototype.remove = function (child) {\n        var zr = this.__zr;\n        var children = this._children;\n        var idx = zrUtil.indexOf(children, child);\n        if (idx < 0) {\n            return this;\n        }\n        children.splice(idx, 1);\n        child.parent = null;\n        if (zr) {\n            child.removeSelfFromZr(zr);\n        }\n        zr && zr.refresh();\n        return this;\n    };\n    Group.prototype.removeAll = function () {\n        var children = this._children;\n        var zr = this.__zr;\n        for (var i = 0; i < children.length; i++) {\n            var child = children[i];\n            if (zr) {\n                child.removeSelfFromZr(zr);\n            }\n            child.parent = null;\n        }\n        children.length = 0;\n        return this;\n    };\n    Group.prototype.eachChild = function (cb, context) {\n        var children = this._children;\n        for (var i = 0; i < children.length; i++) {\n            var child = children[i];\n            cb.call(context, child, i);\n        }\n        return this;\n    };\n    Group.prototype.traverse = function (cb, context) {\n        for (var i = 0; i < this._children.length; i++) {\n            var child = this._children[i];\n            var stopped = cb.call(context, child);\n            if (child.isGroup && !stopped) {\n                child.traverse(cb, context);\n            }\n        }\n        return this;\n    };\n    Group.prototype.addSelfToZr = function (zr) {\n        _super.prototype.addSelfToZr.call(this, zr);\n        for (var i = 0; i < this._children.length; i++) {\n            var child = this._children[i];\n            child.addSelfToZr(zr);\n        }\n    };\n    Group.prototype.removeSelfFromZr = function (zr) {\n        _super.prototype.removeSelfFromZr.call(this, zr);\n        for (var i = 0; i < this._children.length; i++) {\n            var child = this._children[i];\n            child.removeSelfFromZr(zr);\n        }\n    };\n    Group.prototype.getBoundingRect = function (includeChildren) {\n        var tmpRect = new BoundingRect(0, 0, 0, 0);\n        var children = includeChildren || this._children;\n        var tmpMat = [];\n        var rect = null;\n        for (var i = 0; i < children.length; i++) {\n            var child = children[i];\n            if (child.ignore || child.invisible) {\n                continue;\n            }\n            var childRect = child.getBoundingRect();\n            var transform = child.getLocalTransform(tmpMat);\n            if (transform) {\n                BoundingRect.applyTransform(tmpRect, childRect, transform);\n                rect = rect || tmpRect.clone();\n                rect.union(tmpRect);\n            }\n            else {\n                rect = rect || childRect.clone();\n                rect.union(childRect);\n            }\n        }\n        return rect || tmpRect;\n    };\n    return Group;\n}(Element));\nGroup.prototype.type = 'group';\nexport default Group;\n","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright OpenJS Foundation and other contributors <https://openjsf.org/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.15';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:1st|2nd|3rd|(?![123])\\\\dth)(?=\\\\b|[A-Z_])',\n      rsOrdUpper = '\\\\d*(?:1ST|2ND|3RD|(?![123])\\\\dTH)(?=\\\\b|[a-z_])',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      // Use `util.types` for Node.js 10+.\n      var types = freeModule && freeModule.require && freeModule.require('util').types;\n\n      if (types) {\n        return types;\n      }\n\n      // Legacy `process.binding('util')` for Node.js < 10.\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      if (isSet(value)) {\n        value.forEach(function(subValue) {\n          result.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));\n        });\n      } else if (isMap(value)) {\n        value.forEach(function(subValue, key) {\n          result.set(key, baseClone(subValue, bitmask, customizer, key, value, stack));\n        });\n      }\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        stack || (stack = new Stack);\n        if (isObject(srcValue)) {\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = safeGet(object, key),\n          srcValue = safeGet(source, key),\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || isFunction(objValue)) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      var index = -1;\n      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array == null ? 0 : array.length,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision && nativeIsFinite(number)) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(array);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = new array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Map`, `Number`, `RegExp`, `Set`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return new Ctor;\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return new Ctor;\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      var type = typeof value;\n      length = length == null ? MAX_SAFE_INTEGER : length;\n\n      return !!length &&\n        (type == 'number' ||\n          (type != 'symbol' && reIsUint.test(value))) &&\n            (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Gets the value at `key`, unless `key` is \"__proto__\" or \"constructor\".\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the property to get.\n     * @returns {*} Returns the property value.\n     */\n    function safeGet(object, key) {\n      if (key === 'constructor' && typeof object[key] === 'function') {\n        return;\n      }\n\n      if (key == '__proto__') {\n        return;\n      }\n\n      return object[key];\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (string.charCodeAt(0) === 46 /* . */) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, subString) {\n        result.push(quote ? subString.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            timeWaiting = wait - timeSinceLastCall;\n\n        return maxing\n          ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)\n          : timeWaiting;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            clearTimeout(timerId);\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(object, sources) {\n      object = Object(object);\n\n      var index = -1;\n      var length = sources.length;\n      var guard = length > 2 ? sources[2] : undefined;\n\n      if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n        length = 1;\n      }\n\n      while (++index < length) {\n        var source = sources[index];\n        var props = keysIn(source);\n        var propsIndex = -1;\n        var propsLength = props.length;\n\n        while (++propsIndex < propsLength) {\n          var key = props[propsIndex];\n          var value = object[key];\n\n          if (value === undefined ||\n              (eq(value, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n            object[key] = source[key];\n          }\n        }\n      }\n\n      return object;\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      if (value != null &&\n          typeof value.toString != 'function') {\n        value = nativeObjectToString.call(value);\n      }\n\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (value != null &&\n          typeof value.toString != 'function') {\n        value = nativeObjectToString.call(value);\n      }\n\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      // The sourceURL gets injected into the source that's eval-ed, so be careful\n      // with lookup (in case of e.g. prototype pollution), and strip newlines if any.\n      // A newline wouldn't be a valid sourceURL anyway, and it'd enable code injection.\n      var sourceURL = '//# sourceURL=' +\n        (hasOwnProperty.call(options, 'sourceURL')\n          ? (options.sourceURL + '').replace(/[\\r\\n]/g, ' ')\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      // Like with sourceURL, we take care to not check the option's prototype,\n      // as this configuration is a code injection vector.\n      var variable = hasOwnProperty.call(options, 'variable') && options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n          });\n        }\n        return result;\n      };\n\n      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n        return this.reverse()[methodName](n).reverse();\n      };\n    });\n\n    // Add `LazyWrapper` methods that accept an `iteratee` value.\n    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n      var type = index + 1,\n          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\n      LazyWrapper.prototype[methodName] = function(iteratee) {\n        var result = this.clone();\n        result.__iteratees__.push({\n          'iteratee': getIteratee(iteratee, 3),\n          'type': type\n        });\n        result.__filtered__ = result.__filtered__ || isFilter;\n        return result;\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n    arrayEach(['head', 'last'], function(methodName, index) {\n      var takeName = 'take' + (index ? 'Right' : '');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this[takeName](1).value()[0];\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n    arrayEach(['initial', 'tail'], function(methodName, index) {\n      var dropName = 'drop' + (index ? '' : 'Right');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n      };\n    });\n\n    LazyWrapper.prototype.compact = function() {\n      return this.filter(identity);\n    };\n\n    LazyWrapper.prototype.find = function(predicate) {\n      return this.filter(predicate).head();\n    };\n\n    LazyWrapper.prototype.findLast = function(predicate) {\n      return this.reverse().find(predicate);\n    };\n\n    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n      if (typeof path == 'function') {\n        return new LazyWrapper(this);\n      }\n      return this.map(function(value) {\n        return baseInvoke(value, path, args);\n      });\n    });\n\n    LazyWrapper.prototype.reject = function(predicate) {\n      return this.filter(negate(getIteratee(predicate)));\n    };\n\n    LazyWrapper.prototype.slice = function(start, end) {\n      start = toInteger(start);\n\n      var result = this;\n      if (result.__filtered__ && (start > 0 || end < 0)) {\n        return new LazyWrapper(result);\n      }\n      if (start < 0) {\n        result = result.takeRight(-start);\n      } else if (start) {\n        result = result.drop(start);\n      }\n      if (end !== undefined) {\n        end = toInteger(end);\n        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n      }\n      return result;\n    };\n\n    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n      return this.reverse().takeWhile(predicate).reverse();\n    };\n\n    LazyWrapper.prototype.toArray = function() {\n      return this.take(MAX_ARRAY_LENGTH);\n    };\n\n    // Add `LazyWrapper` methods to `lodash.prototype`.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n          isTaker = /^(?:head|last)$/.test(methodName),\n          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n          retUnwrapped = isTaker || /^find/.test(methodName);\n\n      if (!lodashFunc) {\n        return;\n      }\n      lodash.prototype[methodName] = function() {\n        var value = this.__wrapped__,\n            args = isTaker ? [1] : arguments,\n            isLazy = value instanceof LazyWrapper,\n            iteratee = args[0],\n            useLazy = isLazy || isArray(value);\n\n        var interceptor = function(value) {\n          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n          return (isTaker && chainAll) ? result[0] : result;\n        };\n\n        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n          isLazy = useLazy = false;\n        }\n        var chainAll = this.__chain__,\n            isHybrid = !!this.__actions__.length,\n            isUnwrapped = retUnwrapped && !chainAll,\n            onlyLazy = isLazy && !isHybrid;\n\n        if (!retUnwrapped && useLazy) {\n          value = onlyLazy ? value : new LazyWrapper(this);\n          var result = func.apply(value, args);\n          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n          return new LodashWrapper(result, chainAll);\n        }\n        if (isUnwrapped && onlyLazy) {\n          return func.apply(this, args);\n        }\n        result = this.thru(interceptor);\n        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n      };\n    });\n\n    // Add `Array` methods to `lodash.prototype`.\n    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n      var func = arrayProto[methodName],\n          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\n      lodash.prototype[methodName] = function() {\n        var args = arguments;\n        if (retUnwrapped && !this.__chain__) {\n          var value = this.value();\n          return func.apply(isArray(value) ? value : [], args);\n        }\n        return this[chainName](function(value) {\n          return func.apply(isArray(value) ? value : [], args);\n        });\n      };\n    });\n\n    // Map minified method names to their real names.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var lodashFunc = lodash[methodName];\n      if (lodashFunc) {\n        var key = lodashFunc.name + '';\n        if (!hasOwnProperty.call(realNames, key)) {\n          realNames[key] = [];\n        }\n        realNames[key].push({ 'name': methodName, 'func': lodashFunc });\n      }\n    });\n\n    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n      'name': 'wrapper',\n      'func': undefined\n    }];\n\n    // Add methods to `LazyWrapper`.\n    LazyWrapper.prototype.clone = lazyClone;\n    LazyWrapper.prototype.reverse = lazyReverse;\n    LazyWrapper.prototype.value = lazyValue;\n\n    // Add chain sequence methods to the `lodash` wrapper.\n    lodash.prototype.at = wrapperAt;\n    lodash.prototype.chain = wrapperChain;\n    lodash.prototype.commit = wrapperCommit;\n    lodash.prototype.next = wrapperNext;\n    lodash.prototype.plant = wrapperPlant;\n    lodash.prototype.reverse = wrapperReverse;\n    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n    // Add lazy aliases.\n    lodash.prototype.first = lodash.prototype.head;\n\n    if (symIterator) {\n      lodash.prototype[symIterator] = wrapperToIterator;\n    }\n    return lodash;\n  });\n\n  /*--------------------------------------------------------------------------*/\n\n  // Export lodash.\n  var _ = runInContext();\n\n  // Some AMD build optimizers, like r.js, check for condition patterns like:\n  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n    // Expose Lodash on the global object to prevent errors when Lodash is\n    // loaded by a script tag in the presence of an AMD loader.\n    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n    // Use `_.noConflict` to remove Lodash from the global object.\n    root._ = _;\n\n    // Define as an anonymous module so, through path mapping, it can be\n    // referenced as the \"underscore\" module.\n    define(function() {\n      return _;\n    });\n  }\n  // Check for `exports` after `define` in case a build optimizer adds it.\n  else if (freeModule) {\n    // Export for Node.js.\n    (freeModule.exports = _)._ = _;\n    // Export for CommonJS support.\n    freeExports._ = _;\n  }\n  else {\n    // Export to the global object.\n    root._ = _;\n  }\n}.call(this));\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { createHashMap, assert } from 'zrender/lib/core/util';\nimport { isComponentIdInternal } from '../util/model';\nvar internalOptionCreatorMap = createHashMap();\nexport function registerInternalOptionCreator(mainType, creator) {\n  assert(internalOptionCreatorMap.get(mainType) == null && creator);\n  internalOptionCreatorMap.set(mainType, creator);\n}\nexport function concatInternalOptions(ecModel, mainType, newCmptOptionList) {\n  var internalOptionCreator = internalOptionCreatorMap.get(mainType);\n\n  if (!internalOptionCreator) {\n    return newCmptOptionList;\n  }\n\n  var internalOptions = internalOptionCreator(ecModel);\n\n  if (!internalOptions) {\n    return newCmptOptionList;\n  }\n\n  if (process.env.NODE_ENV !== 'production') {\n    for (var i = 0; i < internalOptions.length; i++) {\n      assert(isComponentIdInternal(internalOptions[i]));\n    }\n  }\n\n  return newCmptOptionList.concat(internalOptions);\n}","export function createElement(name) {\n    return document.createElementNS('http://www.w3.org/2000/svg', name);\n}\n","function diff(oldArr, newArr, equals) {\n    if (!equals) {\n        equals = function (a, b) {\n            return a === b;\n        };\n    }\n    oldArr = oldArr.slice();\n    newArr = newArr.slice();\n    var newLen = newArr.length;\n    var oldLen = oldArr.length;\n    var editLength = 1;\n    var maxEditLength = newLen + oldLen;\n    var bestPath = [{ newPos: -1, components: [] }];\n    var oldPos = extractCommon(bestPath[0], newArr, oldArr, 0, equals);\n    if (bestPath[0].newPos + 1 >= newLen && oldPos + 1 >= oldLen) {\n        var indices = [];\n        for (var i = 0; i < newArr.length; i++) {\n            indices.push(i);\n        }\n        return [{\n                indices: indices,\n                count: newArr.length,\n                added: false,\n                removed: false\n            }];\n    }\n    function execEditLength() {\n        for (var diagonalPath = -1 * editLength; diagonalPath <= editLength; diagonalPath += 2) {\n            var basePath;\n            var addPath = bestPath[diagonalPath - 1];\n            var removePath = bestPath[diagonalPath + 1];\n            var oldPos = (removePath ? removePath.newPos : 0) - diagonalPath;\n            if (addPath) {\n                bestPath[diagonalPath - 1] = undefined;\n            }\n            var canAdd = addPath && addPath.newPos + 1 < newLen;\n            var canRemove = removePath && 0 <= oldPos && oldPos < oldLen;\n            if (!canAdd && !canRemove) {\n                bestPath[diagonalPath] = undefined;\n                continue;\n            }\n            if (!canAdd || (canRemove && addPath.newPos < removePath.newPos)) {\n                basePath = clonePath(removePath);\n                pushComponent(basePath.components, false, true);\n            }\n            else {\n                basePath = addPath;\n                basePath.newPos++;\n                pushComponent(basePath.components, true, false);\n            }\n            oldPos = extractCommon(basePath, newArr, oldArr, diagonalPath, equals);\n            if (basePath.newPos + 1 >= newLen && oldPos + 1 >= oldLen) {\n                return buildValues(basePath.components);\n            }\n            else {\n                bestPath[diagonalPath] = basePath;\n            }\n        }\n        editLength++;\n    }\n    while (editLength <= maxEditLength) {\n        var ret = execEditLength();\n        if (ret) {\n            return ret;\n        }\n    }\n}\nfunction extractCommon(basePath, newArr, oldArr, diagonalPath, equals) {\n    var newLen = newArr.length;\n    var oldLen = oldArr.length;\n    var newPos = basePath.newPos;\n    var oldPos = newPos - diagonalPath;\n    var commonCount = 0;\n    while (newPos + 1 < newLen && oldPos + 1 < oldLen && equals(newArr[newPos + 1], oldArr[oldPos + 1])) {\n        newPos++;\n        oldPos++;\n        commonCount++;\n    }\n    if (commonCount) {\n        basePath.components.push({\n            count: commonCount,\n            added: false,\n            removed: false,\n            indices: []\n        });\n    }\n    basePath.newPos = newPos;\n    return oldPos;\n}\nfunction pushComponent(components, added, removed) {\n    var last = components[components.length - 1];\n    if (last && last.added === added && last.removed === removed) {\n        components[components.length - 1] = {\n            count: last.count + 1,\n            added: added,\n            removed: removed,\n            indices: []\n        };\n    }\n    else {\n        components.push({\n            count: 1,\n            added: added,\n            removed: removed,\n            indices: []\n        });\n    }\n}\nfunction buildValues(components) {\n    var componentPos = 0;\n    var componentLen = components.length;\n    var newPos = 0;\n    var oldPos = 0;\n    for (; componentPos < componentLen; componentPos++) {\n        var component = components[componentPos];\n        if (!component.removed) {\n            var indices = [];\n            for (var i = newPos; i < newPos + component.count; i++) {\n                indices.push(i);\n            }\n            component.indices = indices;\n            newPos += component.count;\n            if (!component.added) {\n                oldPos += component.count;\n            }\n        }\n        else {\n            for (var i = oldPos; i < oldPos + component.count; i++) {\n                component.indices.push(i);\n            }\n            oldPos += component.count;\n        }\n    }\n    return components;\n}\nfunction clonePath(path) {\n    return { newPos: path.newPos, components: path.components.slice(0) };\n}\nexport default function arrayDiff(oldArr, newArr, equal) {\n    return diff(oldArr, newArr, equal);\n}\n","import { createElement } from './core';\nimport ZRImage from '../graphic/Image';\nimport { DEFAULT_FONT, getLineHeight } from '../contain/text';\nimport { map } from '../core/util';\nimport { normalizeLineDash } from '../graphic/helper/dashStyle';\nvar NONE = 'none';\nvar mathRound = Math.round;\nvar mathSin = Math.sin;\nvar mathCos = Math.cos;\nvar PI = Math.PI;\nvar PI2 = Math.PI * 2;\nvar degree = 180 / PI;\nvar EPSILON = 1e-4;\nfunction round3(val) {\n    return mathRound(val * 1e3) / 1e3;\n}\nfunction round4(val) {\n    return mathRound(val * 1e4) / 1e4;\n}\nfunction isAroundZero(val) {\n    return val < EPSILON && val > -EPSILON;\n}\nfunction pathHasFill(style) {\n    var fill = style.fill;\n    return fill != null && fill !== NONE;\n}\nfunction pathHasStroke(style) {\n    var stroke = style.stroke;\n    return stroke != null && stroke !== NONE;\n}\nfunction setTransform(svgEl, m) {\n    if (m) {\n        attr(svgEl, 'transform', 'matrix('\n            + round3(m[0]) + ','\n            + round3(m[1]) + ','\n            + round3(m[2]) + ','\n            + round3(m[3]) + ','\n            + round4(m[4]) + ','\n            + round4(m[5])\n            + ')');\n    }\n}\nfunction attr(el, key, val) {\n    if (!val || val.type !== 'linear' && val.type !== 'radial') {\n        el.setAttribute(key, val);\n    }\n}\nfunction attrXLink(el, key, val) {\n    el.setAttributeNS('http://www.w3.org/1999/xlink', key, val);\n}\nfunction attrXML(el, key, val) {\n    el.setAttributeNS('http://www.w3.org/XML/1998/namespace', key, val);\n}\nfunction bindStyle(svgEl, style, el) {\n    var opacity = style.opacity == null ? 1 : style.opacity;\n    if (el instanceof ZRImage) {\n        svgEl.style.opacity = opacity + '';\n        return;\n    }\n    if (pathHasFill(style)) {\n        var fill = style.fill;\n        fill = fill === 'transparent' ? NONE : fill;\n        attr(svgEl, 'fill', fill);\n        attr(svgEl, 'fill-opacity', (style.fillOpacity != null ? style.fillOpacity * opacity : opacity) + '');\n    }\n    else {\n        attr(svgEl, 'fill', NONE);\n    }\n    if (pathHasStroke(style)) {\n        var stroke = style.stroke;\n        stroke = stroke === 'transparent' ? NONE : stroke;\n        attr(svgEl, 'stroke', stroke);\n        var strokeWidth = style.lineWidth;\n        var strokeScale_1 = style.strokeNoScale\n            ? el.getLineScale()\n            : 1;\n        attr(svgEl, 'stroke-width', (strokeScale_1 ? strokeWidth / strokeScale_1 : 0) + '');\n        attr(svgEl, 'paint-order', style.strokeFirst ? 'stroke' : 'fill');\n        attr(svgEl, 'stroke-opacity', (style.strokeOpacity != null ? style.strokeOpacity * opacity : opacity) + '');\n        var lineDash = style.lineDash && strokeWidth > 0 && normalizeLineDash(style.lineDash, strokeWidth);\n        if (lineDash) {\n            var lineDashOffset = style.lineDashOffset;\n            if (strokeScale_1 && strokeScale_1 !== 1) {\n                lineDash = map(lineDash, function (rawVal) {\n                    return rawVal / strokeScale_1;\n                });\n                if (lineDashOffset) {\n                    lineDashOffset /= strokeScale_1;\n                    lineDashOffset = mathRound(lineDashOffset);\n                }\n            }\n            attr(svgEl, 'stroke-dasharray', lineDash.join(','));\n            attr(svgEl, 'stroke-dashoffset', (lineDashOffset || 0) + '');\n        }\n        else {\n            attr(svgEl, 'stroke-dasharray', '');\n        }\n        style.lineCap && attr(svgEl, 'stroke-linecap', style.lineCap);\n        style.lineJoin && attr(svgEl, 'stroke-linejoin', style.lineJoin);\n        style.miterLimit && attr(svgEl, 'stroke-miterlimit', style.miterLimit + '');\n    }\n    else {\n        attr(svgEl, 'stroke', NONE);\n    }\n}\nvar SVGPathRebuilder = (function () {\n    function SVGPathRebuilder() {\n    }\n    SVGPathRebuilder.prototype.reset = function () {\n        this._d = [];\n        this._str = '';\n    };\n    SVGPathRebuilder.prototype.moveTo = function (x, y) {\n        this._add('M', x, y);\n    };\n    SVGPathRebuilder.prototype.lineTo = function (x, y) {\n        this._add('L', x, y);\n    };\n    SVGPathRebuilder.prototype.bezierCurveTo = function (x, y, x2, y2, x3, y3) {\n        this._add('C', x, y, x2, y2, x3, y3);\n    };\n    SVGPathRebuilder.prototype.quadraticCurveTo = function (x, y, x2, y2) {\n        this._add('Q', x, y, x2, y2);\n    };\n    SVGPathRebuilder.prototype.arc = function (cx, cy, r, startAngle, endAngle, anticlockwise) {\n        this.ellipse(cx, cy, r, r, 0, startAngle, endAngle, anticlockwise);\n    };\n    SVGPathRebuilder.prototype.ellipse = function (cx, cy, rx, ry, psi, startAngle, endAngle, anticlockwise) {\n        var firstCmd = this._d.length === 0;\n        var dTheta = endAngle - startAngle;\n        var clockwise = !anticlockwise;\n        var dThetaPositive = Math.abs(dTheta);\n        var isCircle = isAroundZero(dThetaPositive - PI2)\n            || (clockwise ? dTheta >= PI2 : -dTheta >= PI2);\n        var unifiedTheta = dTheta > 0 ? dTheta % PI2 : (dTheta % PI2 + PI2);\n        var large = false;\n        if (isCircle) {\n            large = true;\n        }\n        else if (isAroundZero(dThetaPositive)) {\n            large = false;\n        }\n        else {\n            large = (unifiedTheta >= PI) === !!clockwise;\n        }\n        var x0 = round4(cx + rx * mathCos(startAngle));\n        var y0 = round4(cy + ry * mathSin(startAngle));\n        if (isCircle) {\n            if (clockwise) {\n                dTheta = PI2 - 1e-4;\n            }\n            else {\n                dTheta = -PI2 + 1e-4;\n            }\n            large = true;\n            if (firstCmd) {\n                this._d.push('M', x0, y0);\n            }\n        }\n        var x = round4(cx + rx * mathCos(startAngle + dTheta));\n        var y = round4(cy + ry * mathSin(startAngle + dTheta));\n        if (isNaN(x0) || isNaN(y0) || isNaN(rx) || isNaN(ry) || isNaN(psi) || isNaN(degree) || isNaN(x) || isNaN(y)) {\n            return '';\n        }\n        this._d.push('A', round4(rx), round4(ry), mathRound(psi * degree), +large, +clockwise, x, y);\n    };\n    SVGPathRebuilder.prototype.rect = function (x, y, w, h) {\n        this._add('M', x, y);\n        this._add('L', x + w, y);\n        this._add('L', x + w, y + h);\n        this._add('L', x, y + h);\n        this._add('L', x, y);\n    };\n    SVGPathRebuilder.prototype.closePath = function () {\n        if (this._d.length > 0) {\n            this._add('Z');\n        }\n    };\n    SVGPathRebuilder.prototype._add = function (cmd, a, b, c, d, e, f, g, h) {\n        this._d.push(cmd);\n        for (var i = 1; i < arguments.length; i++) {\n            var val = arguments[i];\n            if (isNaN(val)) {\n                this._invalid = true;\n                return;\n            }\n            this._d.push(round4(val));\n        }\n    };\n    SVGPathRebuilder.prototype.generateStr = function () {\n        this._str = this._invalid ? '' : this._d.join(' ');\n        this._d = [];\n    };\n    SVGPathRebuilder.prototype.getStr = function () {\n        return this._str;\n    };\n    return SVGPathRebuilder;\n}());\nvar svgPath = {\n    brush: function (el) {\n        var style = el.style;\n        var svgEl = el.__svgEl;\n        if (!svgEl) {\n            svgEl = createElement('path');\n            el.__svgEl = svgEl;\n        }\n        if (!el.path) {\n            el.createPathProxy();\n        }\n        var path = el.path;\n        if (el.shapeChanged()) {\n            path.beginPath();\n            el.buildPath(path, el.shape);\n            el.pathUpdated();\n        }\n        var pathVersion = path.getVersion();\n        var elExt = el;\n        var svgPathBuilder = elExt.__svgPathBuilder;\n        if (elExt.__svgPathVersion !== pathVersion || !svgPathBuilder || el.style.strokePercent < 1) {\n            if (!svgPathBuilder) {\n                svgPathBuilder = elExt.__svgPathBuilder = new SVGPathRebuilder();\n            }\n            svgPathBuilder.reset();\n            path.rebuildPath(svgPathBuilder, el.style.strokePercent);\n            svgPathBuilder.generateStr();\n            elExt.__svgPathVersion = pathVersion;\n        }\n        attr(svgEl, 'd', svgPathBuilder.getStr());\n        bindStyle(svgEl, style, el);\n        setTransform(svgEl, el.transform);\n    }\n};\nexport { svgPath as path };\nvar svgImage = {\n    brush: function (el) {\n        var style = el.style;\n        var image = style.image;\n        if (image instanceof HTMLImageElement) {\n            image = image.src;\n        }\n        else if (image instanceof HTMLCanvasElement) {\n            image = image.toDataURL();\n        }\n        if (!image) {\n            return;\n        }\n        var x = style.x || 0;\n        var y = style.y || 0;\n        var dw = style.width;\n        var dh = style.height;\n        var svgEl = el.__svgEl;\n        if (!svgEl) {\n            svgEl = createElement('image');\n            el.__svgEl = svgEl;\n        }\n        if (image !== el.__imageSrc) {\n            attrXLink(svgEl, 'href', image);\n            el.__imageSrc = image;\n        }\n        attr(svgEl, 'width', dw + '');\n        attr(svgEl, 'height', dh + '');\n        attr(svgEl, 'x', x + '');\n        attr(svgEl, 'y', y + '');\n        bindStyle(svgEl, style, el);\n        setTransform(svgEl, el.transform);\n    }\n};\nexport { svgImage as image };\nvar TEXT_ALIGN_TO_ANCHOR = {\n    left: 'start',\n    right: 'end',\n    center: 'middle',\n    middle: 'middle'\n};\nfunction adjustTextY(y, lineHeight, textBaseline) {\n    if (textBaseline === 'top') {\n        y += lineHeight / 2;\n    }\n    else if (textBaseline === 'bottom') {\n        y -= lineHeight / 2;\n    }\n    return y;\n}\nvar svgText = {\n    brush: function (el) {\n        var style = el.style;\n        var text = style.text;\n        text != null && (text += '');\n        if (!text || isNaN(style.x) || isNaN(style.y)) {\n            return;\n        }\n        var textSvgEl = el.__svgEl;\n        if (!textSvgEl) {\n            textSvgEl = createElement('text');\n            attrXML(textSvgEl, 'xml:space', 'preserve');\n            el.__svgEl = textSvgEl;\n        }\n        var font = style.font || DEFAULT_FONT;\n        var textSvgElStyle = textSvgEl.style;\n        textSvgElStyle.font = font;\n        textSvgEl.textContent = text;\n        bindStyle(textSvgEl, style, el);\n        setTransform(textSvgEl, el.transform);\n        var x = style.x || 0;\n        var y = adjustTextY(style.y || 0, getLineHeight(font), style.textBaseline);\n        var textAlign = TEXT_ALIGN_TO_ANCHOR[style.textAlign]\n            || style.textAlign;\n        attr(textSvgEl, 'dominant-baseline', 'central');\n        attr(textSvgEl, 'text-anchor', textAlign);\n        attr(textSvgEl, 'x', x + '');\n        attr(textSvgEl, 'y', y + '');\n    }\n};\nexport { svgText as text };\n","import { createElement } from '../core';\nimport * as zrUtil from '../../core/util';\nimport Path from '../../graphic/Path';\nimport ZRImage from '../../graphic/Image';\nimport TSpan from '../../graphic/TSpan';\nimport { path as svgPath, image as svgImage, text as svgText } from '../graphic';\nvar MARK_UNUSED = '0';\nvar MARK_USED = '1';\nvar Definable = (function () {\n    function Definable(zrId, svgRoot, tagNames, markLabel, domName) {\n        this.nextId = 0;\n        this._domName = '_dom';\n        this.createElement = createElement;\n        this._zrId = zrId;\n        this._svgRoot = svgRoot;\n        this._tagNames = typeof tagNames === 'string' ? [tagNames] : tagNames;\n        this._markLabel = markLabel;\n        if (domName) {\n            this._domName = domName;\n        }\n    }\n    Definable.prototype.getDefs = function (isForceCreating) {\n        var svgRoot = this._svgRoot;\n        var defs = this._svgRoot.getElementsByTagName('defs');\n        if (defs.length === 0) {\n            if (isForceCreating) {\n                var defs_1 = svgRoot.insertBefore(this.createElement('defs'), svgRoot.firstChild);\n                if (!defs_1.contains) {\n                    defs_1.contains = function (el) {\n                        var children = defs_1.children;\n                        if (!children) {\n                            return false;\n                        }\n                        for (var i = children.length - 1; i >= 0; --i) {\n                            if (children[i] === el) {\n                                return true;\n                            }\n                        }\n                        return false;\n                    };\n                }\n                return defs_1;\n            }\n            else {\n                return null;\n            }\n        }\n        else {\n            return defs[0];\n        }\n    };\n    Definable.prototype.doUpdate = function (target, onUpdate) {\n        if (!target) {\n            return;\n        }\n        var defs = this.getDefs(false);\n        if (target[this._domName] && defs.contains(target[this._domName])) {\n            if (typeof onUpdate === 'function') {\n                onUpdate(target);\n            }\n        }\n        else {\n            var dom = this.add(target);\n            if (dom) {\n                target[this._domName] = dom;\n            }\n        }\n    };\n    Definable.prototype.add = function (target) {\n        return null;\n    };\n    Definable.prototype.addDom = function (dom) {\n        var defs = this.getDefs(true);\n        if (dom.parentNode !== defs) {\n            defs.appendChild(dom);\n        }\n    };\n    Definable.prototype.removeDom = function (target) {\n        var defs = this.getDefs(false);\n        if (defs && target[this._domName]) {\n            defs.removeChild(target[this._domName]);\n            target[this._domName] = null;\n        }\n    };\n    Definable.prototype.getDoms = function () {\n        var defs = this.getDefs(false);\n        if (!defs) {\n            return [];\n        }\n        var doms = [];\n        zrUtil.each(this._tagNames, function (tagName) {\n            var tags = defs.getElementsByTagName(tagName);\n            for (var i = 0; i < tags.length; i++) {\n                doms.push(tags[i]);\n            }\n        });\n        return doms;\n    };\n    Definable.prototype.markAllUnused = function () {\n        var doms = this.getDoms();\n        var that = this;\n        zrUtil.each(doms, function (dom) {\n            dom[that._markLabel] = MARK_UNUSED;\n        });\n    };\n    Definable.prototype.markDomUsed = function (dom) {\n        dom && (dom[this._markLabel] = MARK_USED);\n    };\n    ;\n    Definable.prototype.markDomUnused = function (dom) {\n        dom && (dom[this._markLabel] = MARK_UNUSED);\n    };\n    ;\n    Definable.prototype.isDomUnused = function (dom) {\n        return dom && dom[this._markLabel] !== MARK_USED;\n    };\n    Definable.prototype.removeUnused = function () {\n        var _this = this;\n        var defs = this.getDefs(false);\n        if (!defs) {\n            return;\n        }\n        var doms = this.getDoms();\n        zrUtil.each(doms, function (dom) {\n            if (_this.isDomUnused(dom)) {\n                defs.removeChild(dom);\n            }\n        });\n    };\n    Definable.prototype.getSvgProxy = function (displayable) {\n        if (displayable instanceof Path) {\n            return svgPath;\n        }\n        else if (displayable instanceof ZRImage) {\n            return svgImage;\n        }\n        else if (displayable instanceof TSpan) {\n            return svgText;\n        }\n        else {\n            return svgPath;\n        }\n    };\n    Definable.prototype.getSvgElement = function (displayable) {\n        return displayable.__svgEl;\n    };\n    return Definable;\n}());\nexport default Definable;\n","import { __extends } from \"tslib\";\nimport Definable from './Definable';\nimport * as zrUtil from '../../core/util';\nimport * as colorTool from '../../tool/color';\nfunction isLinearGradient(value) {\n    return value.type === 'linear';\n}\nfunction isRadialGradient(value) {\n    return value.type === 'radial';\n}\nfunction isGradient(value) {\n    return value && (value.type === 'linear'\n        || value.type === 'radial');\n}\nvar GradientManager = (function (_super) {\n    __extends(GradientManager, _super);\n    function GradientManager(zrId, svgRoot) {\n        return _super.call(this, zrId, svgRoot, ['linearGradient', 'radialGradient'], '__gradient_in_use__') || this;\n    }\n    GradientManager.prototype.addWithoutUpdate = function (svgElement, displayable) {\n        if (displayable && displayable.style) {\n            var that_1 = this;\n            zrUtil.each(['fill', 'stroke'], function (fillOrStroke) {\n                var value = displayable.style[fillOrStroke];\n                if (isGradient(value)) {\n                    var gradient = value;\n                    var defs = that_1.getDefs(true);\n                    var dom = void 0;\n                    if (gradient.__dom) {\n                        dom = gradient.__dom;\n                        if (!defs.contains(gradient.__dom)) {\n                            that_1.addDom(dom);\n                        }\n                    }\n                    else {\n                        dom = that_1.add(gradient);\n                    }\n                    that_1.markUsed(displayable);\n                    var id = dom.getAttribute('id');\n                    svgElement.setAttribute(fillOrStroke, 'url(#' + id + ')');\n                }\n            });\n        }\n    };\n    GradientManager.prototype.add = function (gradient) {\n        var dom;\n        if (isLinearGradient(gradient)) {\n            dom = this.createElement('linearGradient');\n        }\n        else if (isRadialGradient(gradient)) {\n            dom = this.createElement('radialGradient');\n        }\n        else {\n            zrUtil.logError('Illegal gradient type.');\n            return null;\n        }\n        gradient.id = gradient.id || this.nextId++;\n        dom.setAttribute('id', 'zr' + this._zrId\n            + '-gradient-' + gradient.id);\n        this.updateDom(gradient, dom);\n        this.addDom(dom);\n        return dom;\n    };\n    GradientManager.prototype.update = function (gradient) {\n        if (!isGradient(gradient)) {\n            return;\n        }\n        var that = this;\n        this.doUpdate(gradient, function () {\n            var dom = gradient.__dom;\n            if (!dom) {\n                return;\n            }\n            var tagName = dom.tagName;\n            var type = gradient.type;\n            if (type === 'linear' && tagName === 'linearGradient'\n                || type === 'radial' && tagName === 'radialGradient') {\n                that.updateDom(gradient, gradient.__dom);\n            }\n            else {\n                that.removeDom(gradient);\n                that.add(gradient);\n            }\n        });\n    };\n    GradientManager.prototype.updateDom = function (gradient, dom) {\n        if (isLinearGradient(gradient)) {\n            dom.setAttribute('x1', gradient.x + '');\n            dom.setAttribute('y1', gradient.y + '');\n            dom.setAttribute('x2', gradient.x2 + '');\n            dom.setAttribute('y2', gradient.y2 + '');\n        }\n        else if (isRadialGradient(gradient)) {\n            dom.setAttribute('cx', gradient.x + '');\n            dom.setAttribute('cy', gradient.y + '');\n            dom.setAttribute('r', gradient.r + '');\n        }\n        else {\n            zrUtil.logError('Illegal gradient type.');\n            return;\n        }\n        if (gradient.global) {\n            dom.setAttribute('gradientUnits', 'userSpaceOnUse');\n        }\n        else {\n            dom.setAttribute('gradientUnits', 'objectBoundingBox');\n        }\n        dom.innerHTML = '';\n        var colors = gradient.colorStops;\n        for (var i = 0, len = colors.length; i < len; ++i) {\n            var stop_1 = this.createElement('stop');\n            stop_1.setAttribute('offset', colors[i].offset * 100 + '%');\n            var color = colors[i].color;\n            if (color.indexOf('rgba') > -1) {\n                var opacity = colorTool.parse(color)[3];\n                var hex = colorTool.toHex(color);\n                stop_1.setAttribute('stop-color', '#' + hex);\n                stop_1.setAttribute('stop-opacity', opacity + '');\n            }\n            else {\n                stop_1.setAttribute('stop-color', colors[i].color);\n            }\n            dom.appendChild(stop_1);\n        }\n        gradient.__dom = dom;\n    };\n    GradientManager.prototype.markUsed = function (displayable) {\n        if (displayable.style) {\n            var gradient = displayable.style.fill;\n            if (gradient && gradient.__dom) {\n                _super.prototype.markDomUsed.call(this, gradient.__dom);\n            }\n            gradient = displayable.style.stroke;\n            if (gradient && gradient.__dom) {\n                _super.prototype.markDomUsed.call(this, gradient.__dom);\n            }\n        }\n    };\n    return GradientManager;\n}(Definable));\nexport default GradientManager;\n","import { __extends } from \"tslib\";\nimport Definable from './Definable';\nimport * as zrUtil from '../../core/util';\nimport { createOrUpdateImage } from '../../graphic/helper/image';\nimport WeakMap from '../../core/WeakMap';\nfunction isPattern(value) {\n    return value && (!!value.image || !!value.svgElement);\n}\nvar patternDomMap = new WeakMap();\nvar PatternManager = (function (_super) {\n    __extends(PatternManager, _super);\n    function PatternManager(zrId, svgRoot) {\n        return _super.call(this, zrId, svgRoot, ['pattern'], '__pattern_in_use__') || this;\n    }\n    PatternManager.prototype.addWithoutUpdate = function (svgElement, displayable) {\n        if (displayable && displayable.style) {\n            var that_1 = this;\n            zrUtil.each(['fill', 'stroke'], function (fillOrStroke) {\n                var pattern = displayable.style[fillOrStroke];\n                if (isPattern(pattern)) {\n                    var defs = that_1.getDefs(true);\n                    var dom = patternDomMap.get(pattern);\n                    if (dom) {\n                        if (!defs.contains(dom)) {\n                            that_1.addDom(dom);\n                        }\n                    }\n                    else {\n                        dom = that_1.add(pattern);\n                    }\n                    that_1.markUsed(displayable);\n                    var id = dom.getAttribute('id');\n                    svgElement.setAttribute(fillOrStroke, 'url(#' + id + ')');\n                }\n            });\n        }\n    };\n    PatternManager.prototype.add = function (pattern) {\n        if (!isPattern(pattern)) {\n            return;\n        }\n        var dom = this.createElement('pattern');\n        pattern.id = pattern.id == null ? this.nextId++ : pattern.id;\n        dom.setAttribute('id', 'zr' + this._zrId\n            + '-pattern-' + pattern.id);\n        dom.setAttribute('x', '0');\n        dom.setAttribute('y', '0');\n        dom.setAttribute('patternUnits', 'userSpaceOnUse');\n        this.updateDom(pattern, dom);\n        this.addDom(dom);\n        return dom;\n    };\n    PatternManager.prototype.update = function (pattern) {\n        if (!isPattern(pattern)) {\n            return;\n        }\n        var that = this;\n        this.doUpdate(pattern, function () {\n            var dom = patternDomMap.get(pattern);\n            that.updateDom(pattern, dom);\n        });\n    };\n    PatternManager.prototype.updateDom = function (pattern, patternDom) {\n        var svgElement = pattern.svgElement;\n        if (svgElement instanceof SVGElement) {\n            if (svgElement.parentNode !== patternDom) {\n                patternDom.innerHTML = '';\n                patternDom.appendChild(svgElement);\n                patternDom.setAttribute('width', pattern.svgWidth + '');\n                patternDom.setAttribute('height', pattern.svgHeight + '');\n            }\n        }\n        else {\n            var img = void 0;\n            var prevImage = patternDom.getElementsByTagName('image');\n            if (prevImage.length) {\n                if (pattern.image) {\n                    img = prevImage[0];\n                }\n                else {\n                    patternDom.removeChild(prevImage[0]);\n                    return;\n                }\n            }\n            else if (pattern.image) {\n                img = this.createElement('image');\n            }\n            if (img) {\n                var imageSrc = void 0;\n                if (typeof pattern.image === 'string') {\n                    imageSrc = pattern.image;\n                }\n                else if (pattern.image instanceof HTMLImageElement) {\n                    imageSrc = pattern.image.src;\n                }\n                else if (pattern.image instanceof HTMLCanvasElement) {\n                    imageSrc = pattern.image.toDataURL();\n                }\n                if (imageSrc) {\n                    img.setAttribute('href', imageSrc);\n                    img.setAttribute('x', '0');\n                    img.setAttribute('y', '0');\n                    var hostEl = {\n                        dirty: function () { }\n                    };\n                    var createdImage = createOrUpdateImage(imageSrc, img, hostEl, function (img) {\n                        patternDom.setAttribute('width', img.width + '');\n                        patternDom.setAttribute('height', img.height + '');\n                    });\n                    if (createdImage && createdImage.width && createdImage.height) {\n                        patternDom.setAttribute('width', createdImage.width + '');\n                        patternDom.setAttribute('height', createdImage.height + '');\n                    }\n                    patternDom.appendChild(img);\n                }\n            }\n        }\n        var x = pattern.x || 0;\n        var y = pattern.y || 0;\n        var rotation = (pattern.rotation || 0) / Math.PI * 180;\n        var scaleX = pattern.scaleX || 1;\n        var scaleY = pattern.scaleY || 1;\n        var transform = \"translate(\" + x + \", \" + y + \") rotate(\" + rotation + \") scale(\" + scaleX + \", \" + scaleY + \")\";\n        patternDom.setAttribute('patternTransform', transform);\n        patternDomMap.set(pattern, patternDom);\n    };\n    PatternManager.prototype.markUsed = function (displayable) {\n        if (displayable.style) {\n            if (isPattern(displayable.style.fill)) {\n                _super.prototype.markDomUsed.call(this, patternDomMap.get(displayable.style.fill));\n            }\n            if (isPattern(displayable.style.stroke)) {\n                _super.prototype.markDomUsed.call(this, patternDomMap.get(displayable.style.stroke));\n            }\n        }\n    };\n    return PatternManager;\n}(Definable));\nexport default PatternManager;\n","import { __extends } from \"tslib\";\nimport Definable from './Definable';\nimport * as zrUtil from '../../core/util';\nimport { isClipPathChanged } from '../../canvas/helper';\nfunction generateClipPathsKey(clipPaths) {\n    var key = [];\n    if (clipPaths) {\n        for (var i = 0; i < clipPaths.length; i++) {\n            var clipPath = clipPaths[i];\n            key.push(clipPath.id);\n        }\n    }\n    return key.join(',');\n}\nexport function hasClipPath(displayable) {\n    var clipPaths = displayable.__clipPaths;\n    return clipPaths && clipPaths.length > 0;\n}\nvar ClippathManager = (function (_super) {\n    __extends(ClippathManager, _super);\n    function ClippathManager(zrId, svgRoot) {\n        var _this = _super.call(this, zrId, svgRoot, 'clipPath', '__clippath_in_use__') || this;\n        _this._refGroups = {};\n        _this._keyDuplicateCount = {};\n        return _this;\n    }\n    ClippathManager.prototype.markAllUnused = function () {\n        _super.prototype.markAllUnused.call(this);\n        for (var key in this._refGroups) {\n            this.markDomUnused(this._refGroups[key]);\n        }\n        this._keyDuplicateCount = {};\n    };\n    ClippathManager.prototype._getClipPathGroup = function (displayable, prevDisplayable) {\n        if (!hasClipPath(displayable)) {\n            return;\n        }\n        var clipPaths = displayable.__clipPaths;\n        var keyDuplicateCount = this._keyDuplicateCount;\n        var clipPathKey = generateClipPathsKey(clipPaths);\n        if (isClipPathChanged(clipPaths, prevDisplayable && prevDisplayable.__clipPaths)) {\n            keyDuplicateCount[clipPathKey] = keyDuplicateCount[clipPathKey] || 0;\n            keyDuplicateCount[clipPathKey] && (clipPathKey += '-' + keyDuplicateCount[clipPathKey]);\n            keyDuplicateCount[clipPathKey]++;\n        }\n        return this._refGroups[clipPathKey]\n            || (this._refGroups[clipPathKey] = this.createElement('g'));\n    };\n    ClippathManager.prototype.update = function (displayable, prevDisplayable) {\n        var clipGroup = this._getClipPathGroup(displayable, prevDisplayable);\n        if (clipGroup) {\n            this.markDomUsed(clipGroup);\n            this.updateDom(clipGroup, displayable.__clipPaths);\n        }\n        return clipGroup;\n    };\n    ;\n    ClippathManager.prototype.updateDom = function (parentEl, clipPaths) {\n        if (clipPaths && clipPaths.length > 0) {\n            var defs = this.getDefs(true);\n            var clipPath = clipPaths[0];\n            var clipPathEl = void 0;\n            var id = void 0;\n            if (clipPath._dom) {\n                id = clipPath._dom.getAttribute('id');\n                clipPathEl = clipPath._dom;\n                if (!defs.contains(clipPathEl)) {\n                    defs.appendChild(clipPathEl);\n                }\n            }\n            else {\n                id = 'zr' + this._zrId + '-clip-' + this.nextId;\n                ++this.nextId;\n                clipPathEl = this.createElement('clipPath');\n                clipPathEl.setAttribute('id', id);\n                defs.appendChild(clipPathEl);\n                clipPath._dom = clipPathEl;\n            }\n            var svgProxy = this.getSvgProxy(clipPath);\n            svgProxy.brush(clipPath);\n            var pathEl = this.getSvgElement(clipPath);\n            clipPathEl.innerHTML = '';\n            clipPathEl.appendChild(pathEl);\n            parentEl.setAttribute('clip-path', 'url(#' + id + ')');\n            if (clipPaths.length > 1) {\n                this.updateDom(clipPathEl, clipPaths.slice(1));\n            }\n        }\n        else {\n            if (parentEl) {\n                parentEl.setAttribute('clip-path', 'none');\n            }\n        }\n    };\n    ;\n    ClippathManager.prototype.markUsed = function (displayable) {\n        var _this = this;\n        if (displayable.__clipPaths) {\n            zrUtil.each(displayable.__clipPaths, function (clipPath) {\n                if (clipPath._dom) {\n                    _super.prototype.markDomUsed.call(_this, clipPath._dom);\n                }\n            });\n        }\n    };\n    ;\n    ClippathManager.prototype.removeUnused = function () {\n        _super.prototype.removeUnused.call(this);\n        var newRefGroupsMap = {};\n        for (var key in this._refGroups) {\n            var group = this._refGroups[key];\n            if (!this.isDomUnused(group)) {\n                newRefGroupsMap[key] = group;\n            }\n            else if (group.parentNode) {\n                group.parentNode.removeChild(group);\n            }\n        }\n        this._refGroups = newRefGroupsMap;\n    };\n    return ClippathManager;\n}(Definable));\nexport default ClippathManager;\n","import { __extends } from \"tslib\";\nimport Definable from './Definable';\nvar ShadowManager = (function (_super) {\n    __extends(ShadowManager, _super);\n    function ShadowManager(zrId, svgRoot) {\n        var _this = _super.call(this, zrId, svgRoot, ['filter'], '__filter_in_use__', '_shadowDom') || this;\n        _this._shadowDomMap = {};\n        _this._shadowDomPool = [];\n        return _this;\n    }\n    ShadowManager.prototype._getFromPool = function () {\n        var shadowDom = this._shadowDomPool.pop();\n        if (!shadowDom) {\n            shadowDom = this.createElement('filter');\n            shadowDom.setAttribute('id', 'zr' + this._zrId + '-shadow-' + this.nextId++);\n            var domChild = this.createElement('feDropShadow');\n            shadowDom.appendChild(domChild);\n            this.addDom(shadowDom);\n        }\n        return shadowDom;\n    };\n    ShadowManager.prototype.update = function (svgElement, displayable) {\n        var style = displayable.style;\n        if (hasShadow(style)) {\n            var shadowKey = getShadowKey(displayable);\n            var shadowDom = displayable._shadowDom = this._shadowDomMap[shadowKey];\n            if (!shadowDom) {\n                shadowDom = this._getFromPool();\n                this._shadowDomMap[shadowKey] = shadowDom;\n            }\n            this.updateDom(svgElement, displayable, shadowDom);\n        }\n        else {\n            this.remove(svgElement, displayable);\n        }\n    };\n    ShadowManager.prototype.remove = function (svgElement, displayable) {\n        if (displayable._shadowDom != null) {\n            displayable._shadowDom = null;\n            svgElement.style.filter = '';\n        }\n    };\n    ShadowManager.prototype.updateDom = function (svgElement, displayable, shadowDom) {\n        var domChild = shadowDom.children[0];\n        var style = displayable.style;\n        var globalScale = displayable.getGlobalScale();\n        var scaleX = globalScale[0];\n        var scaleY = globalScale[1];\n        if (!scaleX || !scaleY) {\n            return;\n        }\n        var offsetX = style.shadowOffsetX || 0;\n        var offsetY = style.shadowOffsetY || 0;\n        var blur = style.shadowBlur;\n        var color = style.shadowColor;\n        domChild.setAttribute('dx', offsetX / scaleX + '');\n        domChild.setAttribute('dy', offsetY / scaleY + '');\n        domChild.setAttribute('flood-color', color);\n        var stdDx = blur / 2 / scaleX;\n        var stdDy = blur / 2 / scaleY;\n        var stdDeviation = stdDx + ' ' + stdDy;\n        domChild.setAttribute('stdDeviation', stdDeviation);\n        shadowDom.setAttribute('x', '-100%');\n        shadowDom.setAttribute('y', '-100%');\n        shadowDom.setAttribute('width', '300%');\n        shadowDom.setAttribute('height', '300%');\n        displayable._shadowDom = shadowDom;\n        var id = shadowDom.getAttribute('id');\n        svgElement.style.filter = 'url(#' + id + ')';\n    };\n    ShadowManager.prototype.removeUnused = function () {\n        var defs = this.getDefs(false);\n        if (!defs) {\n            return;\n        }\n        var shadowDomsPool = this._shadowDomPool;\n        for (var key in this._shadowDomMap) {\n            var dom = this._shadowDomMap[key];\n            shadowDomsPool.push(dom);\n        }\n        this._shadowDomMap = {};\n    };\n    return ShadowManager;\n}(Definable));\nexport default ShadowManager;\nfunction hasShadow(style) {\n    return style\n        && (style.shadowBlur || style.shadowOffsetX || style.shadowOffsetY);\n}\nfunction getShadowKey(displayable) {\n    var style = displayable.style;\n    var globalScale = displayable.getGlobalScale();\n    return [\n        style.shadowColor,\n        (style.shadowBlur || 0).toFixed(2),\n        (style.shadowOffsetX || 0).toFixed(2),\n        (style.shadowOffsetY || 0).toFixed(2),\n        globalScale[0],\n        globalScale[1]\n    ].join(',');\n}\n","import { createElement } from './core';\nimport * as util from '../core/util';\nimport Path from '../graphic/Path';\nimport ZRImage from '../graphic/Image';\nimport TSpan from '../graphic/TSpan';\nimport arrayDiff from '../core/arrayDiff';\nimport GradientManager from './helper/GradientManager';\nimport PatternManager from './helper/PatternManager';\nimport ClippathManager, { hasClipPath } from './helper/ClippathManager';\nimport ShadowManager from './helper/ShadowManager';\nimport { path as svgPath, image as svgImage, text as svgText } from './graphic';\nfunction parseInt10(val) {\n    return parseInt(val, 10);\n}\nfunction getSvgProxy(el) {\n    if (el instanceof Path) {\n        return svgPath;\n    }\n    else if (el instanceof ZRImage) {\n        return svgImage;\n    }\n    else if (el instanceof TSpan) {\n        return svgText;\n    }\n    else {\n        return svgPath;\n    }\n}\nfunction checkParentAvailable(parent, child) {\n    return child && parent && child.parentNode !== parent;\n}\nfunction insertAfter(parent, child, prevSibling) {\n    if (checkParentAvailable(parent, child) && prevSibling) {\n        var nextSibling = prevSibling.nextSibling;\n        nextSibling ? parent.insertBefore(child, nextSibling)\n            : parent.appendChild(child);\n    }\n}\nfunction prepend(parent, child) {\n    if (checkParentAvailable(parent, child)) {\n        var firstChild = parent.firstChild;\n        firstChild ? parent.insertBefore(child, firstChild)\n            : parent.appendChild(child);\n    }\n}\nfunction remove(parent, child) {\n    if (child && parent && child.parentNode === parent) {\n        parent.removeChild(child);\n    }\n}\nfunction removeFromMyParent(child) {\n    if (child && child.parentNode) {\n        child.parentNode.removeChild(child);\n    }\n}\nfunction getSvgElement(displayable) {\n    return displayable.__svgEl;\n}\nvar SVGPainter = (function () {\n    function SVGPainter(root, storage, opts, zrId) {\n        this.type = 'svg';\n        this.refreshHover = createMethodNotSupport('refreshHover');\n        this.pathToImage = createMethodNotSupport('pathToImage');\n        this.configLayer = createMethodNotSupport('configLayer');\n        this.root = root;\n        this.storage = storage;\n        this._opts = opts = util.extend({}, opts || {});\n        var svgDom = createElement('svg');\n        svgDom.setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns', 'http://www.w3.org/2000/svg');\n        svgDom.setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:xlink', 'http://www.w3.org/1999/xlink');\n        svgDom.setAttribute('version', '1.1');\n        svgDom.setAttribute('baseProfile', 'full');\n        svgDom.style.cssText = 'user-select:none;position:absolute;left:0;top:0;';\n        var bgRoot = createElement('g');\n        svgDom.appendChild(bgRoot);\n        var svgRoot = createElement('g');\n        svgDom.appendChild(svgRoot);\n        this._gradientManager = new GradientManager(zrId, svgRoot);\n        this._patternManager = new PatternManager(zrId, svgRoot);\n        this._clipPathManager = new ClippathManager(zrId, svgRoot);\n        this._shadowManager = new ShadowManager(zrId, svgRoot);\n        var viewport = document.createElement('div');\n        viewport.style.cssText = 'overflow:hidden;position:relative';\n        this._svgDom = svgDom;\n        this._svgRoot = svgRoot;\n        this._backgroundRoot = bgRoot;\n        this._viewport = viewport;\n        root.appendChild(viewport);\n        viewport.appendChild(svgDom);\n        this.resize(opts.width, opts.height);\n        this._visibleList = [];\n    }\n    SVGPainter.prototype.getType = function () {\n        return 'svg';\n    };\n    SVGPainter.prototype.getViewportRoot = function () {\n        return this._viewport;\n    };\n    SVGPainter.prototype.getSvgDom = function () {\n        return this._svgDom;\n    };\n    SVGPainter.prototype.getSvgRoot = function () {\n        return this._svgRoot;\n    };\n    SVGPainter.prototype.getViewportRootOffset = function () {\n        var viewportRoot = this.getViewportRoot();\n        if (viewportRoot) {\n            return {\n                offsetLeft: viewportRoot.offsetLeft || 0,\n                offsetTop: viewportRoot.offsetTop || 0\n            };\n        }\n    };\n    SVGPainter.prototype.refresh = function () {\n        var list = this.storage.getDisplayList(true);\n        this._paintList(list);\n    };\n    SVGPainter.prototype.setBackgroundColor = function (backgroundColor) {\n        if (this._backgroundRoot && this._backgroundNode) {\n            this._backgroundRoot.removeChild(this._backgroundNode);\n        }\n        var bgNode = createElement('rect');\n        bgNode.setAttribute('width', this.getWidth());\n        bgNode.setAttribute('height', this.getHeight());\n        bgNode.setAttribute('x', 0);\n        bgNode.setAttribute('y', 0);\n        bgNode.setAttribute('id', 0);\n        bgNode.style.fill = backgroundColor;\n        this._backgroundRoot.appendChild(bgNode);\n        this._backgroundNode = bgNode;\n    };\n    SVGPainter.prototype.createSVGElement = function (tag) {\n        return createElement(tag);\n    };\n    SVGPainter.prototype.paintOne = function (el) {\n        var svgProxy = getSvgProxy(el);\n        svgProxy && svgProxy.brush(el);\n        return getSvgElement(el);\n    };\n    SVGPainter.prototype._paintList = function (list) {\n        var gradientManager = this._gradientManager;\n        var patternManager = this._patternManager;\n        var clipPathManager = this._clipPathManager;\n        var shadowManager = this._shadowManager;\n        gradientManager.markAllUnused();\n        patternManager.markAllUnused();\n        clipPathManager.markAllUnused();\n        shadowManager.markAllUnused();\n        var svgRoot = this._svgRoot;\n        var visibleList = this._visibleList;\n        var listLen = list.length;\n        var newVisibleList = [];\n        for (var i = 0; i < listLen; i++) {\n            var displayable = list[i];\n            var svgProxy = getSvgProxy(displayable);\n            var svgElement = getSvgElement(displayable);\n            if (!displayable.invisible) {\n                if (displayable.__dirty || !svgElement) {\n                    svgProxy && svgProxy.brush(displayable);\n                    svgElement = getSvgElement(displayable);\n                    if (svgElement && displayable.style) {\n                        gradientManager.update(displayable.style.fill);\n                        gradientManager.update(displayable.style.stroke);\n                        patternManager.update(displayable.style.fill);\n                        patternManager.update(displayable.style.stroke);\n                        shadowManager.update(svgElement, displayable);\n                    }\n                    displayable.__dirty = 0;\n                }\n                if (svgElement) {\n                    newVisibleList.push(displayable);\n                }\n            }\n        }\n        var diff = arrayDiff(visibleList, newVisibleList);\n        var prevSvgElement;\n        var topPrevSvgElement;\n        for (var i = 0; i < diff.length; i++) {\n            var item = diff[i];\n            if (item.removed) {\n                for (var k = 0; k < item.count; k++) {\n                    var displayable = visibleList[item.indices[k]];\n                    var svgElement = getSvgElement(displayable);\n                    hasClipPath(displayable) ? removeFromMyParent(svgElement)\n                        : remove(svgRoot, svgElement);\n                }\n            }\n        }\n        var prevDisplayable;\n        var currentClipGroup;\n        for (var i = 0; i < diff.length; i++) {\n            var item = diff[i];\n            if (item.removed) {\n                continue;\n            }\n            for (var k = 0; k < item.count; k++) {\n                var displayable = newVisibleList[item.indices[k]];\n                var clipGroup = clipPathManager.update(displayable, prevDisplayable);\n                if (clipGroup !== currentClipGroup) {\n                    prevSvgElement = topPrevSvgElement;\n                    if (clipGroup) {\n                        prevSvgElement ? insertAfter(svgRoot, clipGroup, prevSvgElement)\n                            : prepend(svgRoot, clipGroup);\n                        topPrevSvgElement = clipGroup;\n                        prevSvgElement = null;\n                    }\n                    currentClipGroup = clipGroup;\n                }\n                var svgElement = getSvgElement(displayable);\n                prevSvgElement\n                    ? insertAfter(currentClipGroup || svgRoot, svgElement, prevSvgElement)\n                    : prepend(currentClipGroup || svgRoot, svgElement);\n                prevSvgElement = svgElement || prevSvgElement;\n                if (!currentClipGroup) {\n                    topPrevSvgElement = prevSvgElement;\n                }\n                gradientManager.markUsed(displayable);\n                gradientManager.addWithoutUpdate(svgElement, displayable);\n                patternManager.markUsed(displayable);\n                patternManager.addWithoutUpdate(svgElement, displayable);\n                clipPathManager.markUsed(displayable);\n                prevDisplayable = displayable;\n            }\n        }\n        gradientManager.removeUnused();\n        patternManager.removeUnused();\n        clipPathManager.removeUnused();\n        shadowManager.removeUnused();\n        this._visibleList = newVisibleList;\n    };\n    SVGPainter.prototype.resize = function (width, height) {\n        var viewport = this._viewport;\n        viewport.style.display = 'none';\n        var opts = this._opts;\n        width != null && (opts.width = width);\n        height != null && (opts.height = height);\n        width = this._getSize(0);\n        height = this._getSize(1);\n        viewport.style.display = '';\n        if (this._width !== width || this._height !== height) {\n            this._width = width;\n            this._height = height;\n            var viewportStyle = viewport.style;\n            viewportStyle.width = width + 'px';\n            viewportStyle.height = height + 'px';\n            var svgRoot = this._svgDom;\n            svgRoot.setAttribute('width', width + '');\n            svgRoot.setAttribute('height', height + '');\n        }\n        if (this._backgroundNode) {\n            this._backgroundNode.setAttribute('width', width);\n            this._backgroundNode.setAttribute('height', height);\n        }\n    };\n    SVGPainter.prototype.getWidth = function () {\n        return this._width;\n    };\n    SVGPainter.prototype.getHeight = function () {\n        return this._height;\n    };\n    SVGPainter.prototype._getSize = function (whIdx) {\n        var opts = this._opts;\n        var wh = ['width', 'height'][whIdx];\n        var cwh = ['clientWidth', 'clientHeight'][whIdx];\n        var plt = ['paddingLeft', 'paddingTop'][whIdx];\n        var prb = ['paddingRight', 'paddingBottom'][whIdx];\n        if (opts[wh] != null && opts[wh] !== 'auto') {\n            return parseFloat(opts[wh]);\n        }\n        var root = this.root;\n        var stl = document.defaultView.getComputedStyle(root);\n        return ((root[cwh] || parseInt10(stl[wh]) || parseInt10(root.style[wh]))\n            - (parseInt10(stl[plt]) || 0)\n            - (parseInt10(stl[prb]) || 0)) | 0;\n    };\n    SVGPainter.prototype.dispose = function () {\n        this.root.innerHTML = '';\n        this._svgRoot\n            = this._backgroundRoot\n                = this._svgDom\n                    = this._backgroundNode\n                        = this._viewport\n                            = this.storage\n                                = null;\n    };\n    SVGPainter.prototype.clear = function () {\n        var viewportNode = this._viewport;\n        if (viewportNode && viewportNode.parentNode) {\n            viewportNode.parentNode.removeChild(viewportNode);\n        }\n    };\n    SVGPainter.prototype.toDataURL = function () {\n        this.refresh();\n        var svgDom = this._svgDom;\n        var outerHTML = svgDom.outerHTML\n            || (svgDom.parentNode && svgDom.parentNode).innerHTML;\n        var html = encodeURIComponent(outerHTML.replace(/></g, '>\\n\\r<'));\n        return 'data:image/svg+xml;charset=UTF-8,' + html;\n    };\n    return SVGPainter;\n}());\nfunction createMethodNotSupport(method) {\n    return function () {\n        util.logError('In SVG mode painter not support method \"' + method + '\"');\n    };\n}\nexport default SVGPainter;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport createListFromArray from '../helper/createListFromArray';\nimport SeriesModel from '../../model/Series';\nimport { createSymbol } from '../../util/symbol';\nimport { Group } from '../../util/graphic';\n\nvar LineSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(LineSeriesModel, _super);\n\n  function LineSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = LineSeriesModel.type;\n    _this.hasSymbolVisual = true;\n    return _this;\n  }\n\n  LineSeriesModel.prototype.getInitialData = function (option) {\n    if (process.env.NODE_ENV !== 'production') {\n      var coordSys = option.coordinateSystem;\n\n      if (coordSys !== 'polar' && coordSys !== 'cartesian2d') {\n        throw new Error('Line not support coordinateSystem besides cartesian and polar');\n      }\n    }\n\n    return createListFromArray(this.getSource(), this, {\n      useEncodeDefaulter: true\n    });\n  };\n\n  LineSeriesModel.prototype.getLegendIcon = function (opt) {\n    var group = new Group();\n    var line = createSymbol('line', 0, opt.itemHeight / 2, opt.itemWidth, 0, opt.lineStyle.stroke, false);\n    group.add(line);\n    line.setStyle(opt.lineStyle);\n    var visualType = this.getData().getVisual('symbol');\n    var symbolType = visualType === 'none' ? 'circle' : visualType; // Symbol size is 80% when there is a line\n\n    var size = opt.itemHeight * 0.8;\n    var symbol = createSymbol(symbolType, (opt.itemWidth - size) / 2, (opt.itemHeight - size) / 2, size, size, opt.itemStyle.fill, opt.symbolKeepAspect);\n    group.add(symbol);\n    symbol.setStyle(opt.itemStyle);\n\n    if (symbolType.indexOf('empty') > -1) {\n      symbol.style.stroke = symbol.style.fill;\n      symbol.style.fill = '#fff';\n      symbol.style.lineWidth = 2;\n    }\n\n    return group;\n  };\n\n  LineSeriesModel.type = 'series.line';\n  LineSeriesModel.dependencies = ['grid', 'polar'];\n  LineSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 3,\n    coordinateSystem: 'cartesian2d',\n    legendHoverLink: true,\n    clip: true,\n    label: {\n      position: 'top'\n    },\n    // itemStyle: {\n    // },\n    endLabel: {\n      show: false,\n      valueAnimation: true,\n      distance: 8\n    },\n    lineStyle: {\n      width: 2,\n      type: 'solid'\n    },\n    emphasis: {\n      scale: true,\n      lineStyle: {\n        width: 'bolder'\n      }\n    },\n    // areaStyle: {\n    // origin of areaStyle. Valid values:\n    // `'auto'/null/undefined`: from axisLine to data\n    // `'start'`: from min to data\n    // `'end'`: from data to max\n    // origin: 'auto'\n    // },\n    // false, 'start', 'end', 'middle'\n    step: false,\n    // Disabled if step is true\n    smooth: false,\n    smoothMonotone: null,\n    symbol: 'emptyCircle',\n    symbolSize: 4,\n    symbolRotate: null,\n    showSymbol: true,\n    // `false`: follow the label interval strategy.\n    // `true`: show all symbols.\n    // `'auto'`: If possible, show all symbols, otherwise\n    //           follow the label interval strategy.\n    showAllSymbol: 'auto',\n    // Whether to connect break point.\n    connectNulls: false,\n    // Sampling for large data. Can be: 'average', 'max', 'min', 'sum', 'lttb'.\n    sampling: 'none',\n    animationEasing: 'linear',\n    // Disable progressive\n    progressive: 0,\n    hoverLayerThreshold: Infinity\n  };\n  return LineSeriesModel;\n}(SeriesModel);\n\nexport default LineSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { retrieveRawValue } from '../../data/helper/dataProvider';\nimport { isArray } from 'zrender/lib/core/util';\n/**\n * @return label string. Not null/undefined\n */\n\nexport function getDefaultLabel(data, dataIndex) {\n  var labelDims = data.mapDimensionsAll('defaultedLabel');\n  var len = labelDims.length; // Simple optimization (in lots of cases, label dims length is 1)\n\n  if (len === 1) {\n    var rawVal = retrieveRawValue(data, dataIndex, labelDims[0]);\n    return rawVal != null ? rawVal + '' : null;\n  } else if (len) {\n    var vals = [];\n\n    for (var i = 0; i < labelDims.length; i++) {\n      vals.push(retrieveRawValue(data, dataIndex, labelDims[i]));\n    }\n\n    return vals.join(' ');\n  }\n}\nexport function getDefaultInterpolatedLabel(data, interpolatedValue) {\n  var labelDims = data.mapDimensionsAll('defaultedLabel');\n\n  if (!isArray(interpolatedValue)) {\n    return interpolatedValue + '';\n  }\n\n  var vals = [];\n\n  for (var i = 0; i < labelDims.length; i++) {\n    var dimInfo = data.getDimensionInfo(labelDims[i]);\n\n    if (dimInfo) {\n      vals.push(interpolatedValue[dimInfo.index]);\n    }\n  }\n\n  return vals.join(' ');\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport { createSymbol } from '../../util/symbol';\nimport * as graphic from '../../util/graphic';\nimport { getECData } from '../../util/innerStore';\nimport { enterEmphasis, leaveEmphasis, enableHoverEmphasis } from '../../util/states';\nimport { parsePercent } from '../../util/number';\nimport { getDefaultLabel } from './labelHelper';\nimport { extend, isArray, retrieve2 } from 'zrender/lib/core/util';\nimport { setLabelStyle, getLabelStatesModels } from '../../label/labelStyle';\nimport ZRImage from 'zrender/lib/graphic/Image';\n\nvar Symbol =\n/** @class */\nfunction (_super) {\n  __extends(Symbol, _super);\n\n  function Symbol(data, idx, seriesScope, opts) {\n    var _this = _super.call(this) || this;\n\n    _this.updateData(data, idx, seriesScope, opts);\n\n    return _this;\n  }\n\n  Symbol.prototype._createSymbol = function (symbolType, data, idx, symbolSize, keepAspect) {\n    // Remove paths created before\n    this.removeAll(); // let symbolPath = createSymbol(\n    //     symbolType, -0.5, -0.5, 1, 1, color\n    // );\n    // If width/height are set too small (e.g., set to 1) on ios10\n    // and macOS Sierra, a circle stroke become a rect, no matter what\n    // the scale is set. So we set width/height as 2. See #4150.\n\n    var symbolPath = createSymbol(symbolType, -1, -1, 2, 2, null, keepAspect);\n    symbolPath.attr({\n      z2: 100,\n      culling: true,\n      scaleX: symbolSize[0] / 2,\n      scaleY: symbolSize[1] / 2\n    }); // Rewrite drift method\n\n    symbolPath.drift = driftSymbol;\n    this._symbolType = symbolType;\n    this.add(symbolPath);\n  };\n  /**\n   * Stop animation\n   * @param {boolean} toLastFrame\n   */\n\n\n  Symbol.prototype.stopSymbolAnimation = function (toLastFrame) {\n    this.childAt(0).stopAnimation(null, toLastFrame);\n  };\n  /**\n   * FIXME:\n   * Caution: This method breaks the encapsulation of this module,\n   * but it indeed brings convenience. So do not use the method\n   * unless you detailedly know all the implements of `Symbol`,\n   * especially animation.\n   *\n   * Get symbol path element.\n   */\n\n\n  Symbol.prototype.getSymbolPath = function () {\n    return this.childAt(0);\n  };\n  /**\n   * Highlight symbol\n   */\n\n\n  Symbol.prototype.highlight = function () {\n    enterEmphasis(this.childAt(0));\n  };\n  /**\n   * Downplay symbol\n   */\n\n\n  Symbol.prototype.downplay = function () {\n    leaveEmphasis(this.childAt(0));\n  };\n  /**\n   * @param {number} zlevel\n   * @param {number} z\n   */\n\n\n  Symbol.prototype.setZ = function (zlevel, z) {\n    var symbolPath = this.childAt(0);\n    symbolPath.zlevel = zlevel;\n    symbolPath.z = z;\n  };\n\n  Symbol.prototype.setDraggable = function (draggable) {\n    var symbolPath = this.childAt(0);\n    symbolPath.draggable = draggable;\n    symbolPath.cursor = draggable ? 'move' : symbolPath.cursor;\n  };\n  /**\n   * Update symbol properties\n   */\n\n\n  Symbol.prototype.updateData = function (data, idx, seriesScope, opts) {\n    this.silent = false;\n    var symbolType = data.getItemVisual(idx, 'symbol') || 'circle';\n    var seriesModel = data.hostModel;\n    var symbolSize = Symbol.getSymbolSize(data, idx);\n    var isInit = symbolType !== this._symbolType;\n    var disableAnimation = opts && opts.disableAnimation;\n\n    if (isInit) {\n      var keepAspect = data.getItemVisual(idx, 'symbolKeepAspect');\n\n      this._createSymbol(symbolType, data, idx, symbolSize, keepAspect);\n    } else {\n      var symbolPath = this.childAt(0);\n      symbolPath.silent = false;\n      var target = {\n        scaleX: symbolSize[0] / 2,\n        scaleY: symbolSize[1] / 2\n      };\n      disableAnimation ? symbolPath.attr(target) : graphic.updateProps(symbolPath, target, seriesModel, idx);\n    }\n\n    this._updateCommon(data, idx, symbolSize, seriesScope, opts);\n\n    if (isInit) {\n      var symbolPath = this.childAt(0);\n\n      if (!disableAnimation) {\n        var target = {\n          scaleX: this._sizeX,\n          scaleY: this._sizeY,\n          style: {\n            // Always fadeIn. Because it has fadeOut animation when symbol is removed..\n            opacity: symbolPath.style.opacity\n          }\n        };\n        symbolPath.scaleX = symbolPath.scaleY = 0;\n        symbolPath.style.opacity = 0;\n        graphic.initProps(symbolPath, target, seriesModel, idx);\n      }\n    }\n\n    if (disableAnimation) {\n      // Must stop remove animation manually if don't call initProps or updateProps.\n      this.childAt(0).stopAnimation('remove');\n    }\n\n    this._seriesModel = seriesModel;\n  };\n\n  Symbol.prototype._updateCommon = function (data, idx, symbolSize, seriesScope, opts) {\n    var symbolPath = this.childAt(0);\n    var seriesModel = data.hostModel;\n    var emphasisItemStyle;\n    var blurItemStyle;\n    var selectItemStyle;\n    var focus;\n    var blurScope;\n    var labelStatesModels;\n    var hoverScale;\n    var cursorStyle;\n\n    if (seriesScope) {\n      emphasisItemStyle = seriesScope.emphasisItemStyle;\n      blurItemStyle = seriesScope.blurItemStyle;\n      selectItemStyle = seriesScope.selectItemStyle;\n      focus = seriesScope.focus;\n      blurScope = seriesScope.blurScope;\n      labelStatesModels = seriesScope.labelStatesModels;\n      hoverScale = seriesScope.hoverScale;\n      cursorStyle = seriesScope.cursorStyle;\n    }\n\n    if (!seriesScope || data.hasItemOption) {\n      var itemModel = seriesScope && seriesScope.itemModel ? seriesScope.itemModel : data.getItemModel(idx);\n      var emphasisModel = itemModel.getModel('emphasis');\n      emphasisItemStyle = emphasisModel.getModel('itemStyle').getItemStyle();\n      selectItemStyle = itemModel.getModel(['select', 'itemStyle']).getItemStyle();\n      blurItemStyle = itemModel.getModel(['blur', 'itemStyle']).getItemStyle();\n      focus = emphasisModel.get('focus');\n      blurScope = emphasisModel.get('blurScope');\n      labelStatesModels = getLabelStatesModels(itemModel);\n      hoverScale = emphasisModel.getShallow('scale');\n      cursorStyle = itemModel.getShallow('cursor');\n    }\n\n    var symbolRotate = data.getItemVisual(idx, 'symbolRotate');\n    symbolPath.attr('rotation', (symbolRotate || 0) * Math.PI / 180 || 0);\n    var symbolOffset = data.getItemVisual(idx, 'symbolOffset') || 0;\n\n    if (symbolOffset) {\n      if (!isArray(symbolOffset)) {\n        symbolOffset = [symbolOffset, symbolOffset];\n      }\n\n      symbolPath.x = parsePercent(symbolOffset[0], symbolSize[0]);\n      symbolPath.y = parsePercent(retrieve2(symbolOffset[1], symbolOffset[0]) || 0, symbolSize[1]);\n    }\n\n    cursorStyle && symbolPath.attr('cursor', cursorStyle);\n    var symbolStyle = data.getItemVisual(idx, 'style');\n    var visualColor = symbolStyle.fill;\n\n    if (symbolPath instanceof ZRImage) {\n      var pathStyle = symbolPath.style;\n      symbolPath.useStyle(extend({\n        // TODO other properties like x, y ?\n        image: pathStyle.image,\n        x: pathStyle.x,\n        y: pathStyle.y,\n        width: pathStyle.width,\n        height: pathStyle.height\n      }, symbolStyle));\n    } else {\n      if (symbolPath.__isEmptyBrush) {\n        // fill and stroke will be swapped if it's empty.\n        // So we cloned a new style to avoid it affecting the original style in visual storage.\n        // TODO Better implementation. No empty logic!\n        symbolPath.useStyle(extend({}, symbolStyle));\n      } else {\n        symbolPath.useStyle(symbolStyle);\n      } // Disable decal because symbol scale will been applied on the decal.\n\n\n      symbolPath.style.decal = null;\n      symbolPath.setColor(visualColor, opts && opts.symbolInnerColor);\n      symbolPath.style.strokeNoScale = true;\n    }\n\n    var liftZ = data.getItemVisual(idx, 'liftZ');\n    var z2Origin = this._z2;\n\n    if (liftZ != null) {\n      if (z2Origin == null) {\n        this._z2 = symbolPath.z2;\n        symbolPath.z2 += liftZ;\n      }\n    } else if (z2Origin != null) {\n      symbolPath.z2 = z2Origin;\n      this._z2 = null;\n    }\n\n    var useNameLabel = opts && opts.useNameLabel;\n    setLabelStyle(symbolPath, labelStatesModels, {\n      labelFetcher: seriesModel,\n      labelDataIndex: idx,\n      defaultText: getLabelDefaultText,\n      inheritColor: visualColor,\n      defaultOpacity: symbolStyle.opacity\n    }); // Do not execute util needed.\n\n    function getLabelDefaultText(idx) {\n      return useNameLabel ? data.getName(idx) : getDefaultLabel(data, idx);\n    }\n\n    this._sizeX = symbolSize[0] / 2;\n    this._sizeY = symbolSize[1] / 2;\n    var emphasisState = symbolPath.ensureState('emphasis');\n    emphasisState.style = emphasisItemStyle;\n    symbolPath.ensureState('select').style = selectItemStyle;\n    symbolPath.ensureState('blur').style = blurItemStyle;\n\n    if (hoverScale) {\n      var scaleRatio = Math.max(1.1, 3 / this._sizeY);\n      emphasisState.scaleX = this._sizeX * scaleRatio;\n      emphasisState.scaleY = this._sizeY * scaleRatio;\n    }\n\n    this.setSymbolScale(1);\n    enableHoverEmphasis(this, focus, blurScope);\n  };\n\n  Symbol.prototype.setSymbolScale = function (scale) {\n    this.scaleX = this.scaleY = scale;\n  };\n\n  Symbol.prototype.fadeOut = function (cb, opt) {\n    var symbolPath = this.childAt(0);\n    var seriesModel = this._seriesModel;\n    var dataIndex = getECData(this).dataIndex;\n    var animationOpt = opt && opt.animation; // Avoid mistaken hover when fading out\n\n    this.silent = symbolPath.silent = true; // Not show text when animating\n\n    if (opt && opt.fadeLabel) {\n      var textContent = symbolPath.getTextContent();\n\n      if (textContent) {\n        graphic.removeElement(textContent, {\n          style: {\n            opacity: 0\n          }\n        }, seriesModel, {\n          dataIndex: dataIndex,\n          removeOpt: animationOpt,\n          cb: function () {\n            symbolPath.removeTextContent();\n          }\n        });\n      }\n    } else {\n      symbolPath.removeTextContent();\n    }\n\n    graphic.removeElement(symbolPath, {\n      style: {\n        opacity: 0\n      },\n      scaleX: 0,\n      scaleY: 0\n    }, seriesModel, {\n      dataIndex: dataIndex,\n      cb: cb,\n      removeOpt: animationOpt\n    });\n  };\n\n  Symbol.getSymbolSize = function (data, idx) {\n    var symbolSize = data.getItemVisual(idx, 'symbolSize');\n    return isArray(symbolSize) ? symbolSize.slice() : [+symbolSize, +symbolSize];\n  };\n\n  return Symbol;\n}(graphic.Group);\n\nfunction driftSymbol(dx, dy) {\n  this.parent.drift(dx, dy);\n}\n\nexport default Symbol;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as graphic from '../../util/graphic';\nimport SymbolClz from './Symbol';\nimport { isObject } from 'zrender/lib/core/util';\nimport { getLabelStatesModels } from '../../label/labelStyle';\n\nfunction symbolNeedsDraw(data, point, idx, opt) {\n  return point && !isNaN(point[0]) && !isNaN(point[1]) && !(opt.isIgnore && opt.isIgnore(idx)) // We do not set clipShape on group, because it will cut part of\n  // the symbol element shape. We use the same clip shape here as\n  // the line clip.\n  && !(opt.clipShape && !opt.clipShape.contain(point[0], point[1])) && data.getItemVisual(idx, 'symbol') !== 'none';\n}\n\nfunction normalizeUpdateOpt(opt) {\n  if (opt != null && !isObject(opt)) {\n    opt = {\n      isIgnore: opt\n    };\n  }\n\n  return opt || {};\n}\n\nfunction makeSeriesScope(data) {\n  var seriesModel = data.hostModel;\n  var emphasisModel = seriesModel.getModel('emphasis');\n  return {\n    emphasisItemStyle: emphasisModel.getModel('itemStyle').getItemStyle(),\n    blurItemStyle: seriesModel.getModel(['blur', 'itemStyle']).getItemStyle(),\n    selectItemStyle: seriesModel.getModel(['select', 'itemStyle']).getItemStyle(),\n    focus: emphasisModel.get('focus'),\n    blurScope: emphasisModel.get('blurScope'),\n    hoverScale: emphasisModel.get('scale'),\n    labelStatesModels: getLabelStatesModels(seriesModel),\n    cursorStyle: seriesModel.get('cursor')\n  };\n}\n\nvar SymbolDraw =\n/** @class */\nfunction () {\n  function SymbolDraw(SymbolCtor) {\n    this.group = new graphic.Group();\n    this._SymbolCtor = SymbolCtor || SymbolClz;\n  }\n  /**\n   * Update symbols draw by new data\n   */\n\n\n  SymbolDraw.prototype.updateData = function (data, opt) {\n    opt = normalizeUpdateOpt(opt);\n    var group = this.group;\n    var seriesModel = data.hostModel;\n    var oldData = this._data;\n    var SymbolCtor = this._SymbolCtor;\n    var disableAnimation = opt.disableAnimation;\n    var seriesScope = makeSeriesScope(data);\n    var symbolUpdateOpt = {\n      disableAnimation: disableAnimation\n    };\n\n    var getSymbolPoint = opt.getSymbolPoint || function (idx) {\n      return data.getItemLayout(idx);\n    }; // There is no oldLineData only when first rendering or switching from\n    // stream mode to normal mode, where previous elements should be removed.\n\n\n    if (!oldData) {\n      group.removeAll();\n    }\n\n    data.diff(oldData).add(function (newIdx) {\n      var point = getSymbolPoint(newIdx);\n\n      if (symbolNeedsDraw(data, point, newIdx, opt)) {\n        var symbolEl = new SymbolCtor(data, newIdx, seriesScope, symbolUpdateOpt);\n        symbolEl.setPosition(point);\n        data.setItemGraphicEl(newIdx, symbolEl);\n        group.add(symbolEl);\n      }\n    }).update(function (newIdx, oldIdx) {\n      var symbolEl = oldData.getItemGraphicEl(oldIdx);\n      var point = getSymbolPoint(newIdx);\n\n      if (!symbolNeedsDraw(data, point, newIdx, opt)) {\n        group.remove(symbolEl);\n        return;\n      }\n\n      if (!symbolEl) {\n        symbolEl = new SymbolCtor(data, newIdx);\n        symbolEl.setPosition(point);\n      } else {\n        symbolEl.updateData(data, newIdx, seriesScope, symbolUpdateOpt);\n        var target = {\n          x: point[0],\n          y: point[1]\n        };\n        disableAnimation ? symbolEl.attr(target) : graphic.updateProps(symbolEl, target, seriesModel);\n      } // Add back\n\n\n      group.add(symbolEl);\n      data.setItemGraphicEl(newIdx, symbolEl);\n    }).remove(function (oldIdx) {\n      var el = oldData.getItemGraphicEl(oldIdx);\n      el && el.fadeOut(function () {\n        group.remove(el);\n      });\n    }).execute();\n    this._getSymbolPoint = getSymbolPoint;\n    this._data = data;\n  };\n\n  ;\n\n  SymbolDraw.prototype.isPersistent = function () {\n    return true;\n  };\n\n  ;\n\n  SymbolDraw.prototype.updateLayout = function () {\n    var _this = this;\n\n    var data = this._data;\n\n    if (data) {\n      // Not use animation\n      data.eachItemGraphicEl(function (el, idx) {\n        var point = _this._getSymbolPoint(idx);\n\n        el.setPosition(point);\n        el.markRedraw();\n      });\n    }\n  };\n\n  ;\n\n  SymbolDraw.prototype.incrementalPrepareUpdate = function (data) {\n    this._seriesScope = makeSeriesScope(data);\n    this._data = null;\n    this.group.removeAll();\n  };\n\n  ;\n  /**\n   * Update symbols draw by new data\n   */\n\n  SymbolDraw.prototype.incrementalUpdate = function (taskParams, data, opt) {\n    opt = normalizeUpdateOpt(opt);\n\n    function updateIncrementalAndHover(el) {\n      if (!el.isGroup) {\n        el.incremental = true;\n        el.ensureState('emphasis').hoverLayer = true;\n      }\n    }\n\n    for (var idx = taskParams.start; idx < taskParams.end; idx++) {\n      var point = data.getItemLayout(idx);\n\n      if (symbolNeedsDraw(data, point, idx, opt)) {\n        var el = new this._SymbolCtor(data, idx, this._seriesScope);\n        el.traverse(updateIncrementalAndHover);\n        el.setPosition(point);\n        this.group.add(el);\n        data.setItemGraphicEl(idx, el);\n      }\n    }\n  };\n\n  ;\n\n  SymbolDraw.prototype.remove = function (enableAnimation) {\n    var group = this.group;\n    var data = this._data; // Incremental model do not have this._data.\n\n    if (data && enableAnimation) {\n      data.eachItemGraphicEl(function (el) {\n        el.fadeOut(function () {\n          group.remove(el);\n        });\n      });\n    } else {\n      group.removeAll();\n    }\n  };\n\n  ;\n  return SymbolDraw;\n}();\n\nexport default SymbolDraw;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { isDimensionStacked } from '../../data/helper/dataStackHelper';\nimport { map } from 'zrender/lib/core/util';\nexport function prepareDataCoordInfo(coordSys, data, valueOrigin) {\n  var baseAxis = coordSys.getBaseAxis();\n  var valueAxis = coordSys.getOtherAxis(baseAxis);\n  var valueStart = getValueStart(valueAxis, valueOrigin);\n  var baseAxisDim = baseAxis.dim;\n  var valueAxisDim = valueAxis.dim;\n  var valueDim = data.mapDimension(valueAxisDim);\n  var baseDim = data.mapDimension(baseAxisDim);\n  var baseDataOffset = valueAxisDim === 'x' || valueAxisDim === 'radius' ? 1 : 0;\n  var dims = map(coordSys.dimensions, function (coordDim) {\n    return data.mapDimension(coordDim);\n  });\n  var stacked = false;\n  var stackResultDim = data.getCalculationInfo('stackResultDimension');\n\n  if (isDimensionStacked(data, dims[0]\n  /*, dims[1]*/\n  )) {\n    // jshint ignore:line\n    stacked = true;\n    dims[0] = stackResultDim;\n  }\n\n  if (isDimensionStacked(data, dims[1]\n  /*, dims[0]*/\n  )) {\n    // jshint ignore:line\n    stacked = true;\n    dims[1] = stackResultDim;\n  }\n\n  return {\n    dataDimsForPoint: dims,\n    valueStart: valueStart,\n    valueAxisDim: valueAxisDim,\n    baseAxisDim: baseAxisDim,\n    stacked: !!stacked,\n    valueDim: valueDim,\n    baseDim: baseDim,\n    baseDataOffset: baseDataOffset,\n    stackedOverDimension: data.getCalculationInfo('stackedOverDimension')\n  };\n}\n\nfunction getValueStart(valueAxis, valueOrigin) {\n  var valueStart = 0;\n  var extent = valueAxis.scale.getExtent();\n\n  if (valueOrigin === 'start') {\n    valueStart = extent[0];\n  } else if (valueOrigin === 'end') {\n    valueStart = extent[1];\n  } // auto\n  else {\n      // Both positive\n      if (extent[0] > 0) {\n        valueStart = extent[0];\n      } // Both negative\n      else if (extent[1] < 0) {\n          valueStart = extent[1];\n        } // If is one positive, and one negative, onZero shall be true\n\n    }\n\n  return valueStart;\n}\n\nexport function getStackedOnPoint(dataCoordInfo, coordSys, data, idx) {\n  var value = NaN;\n\n  if (dataCoordInfo.stacked) {\n    value = data.get(data.getCalculationInfo('stackedOverDimension'), idx);\n  }\n\n  if (isNaN(value)) {\n    value = dataCoordInfo.valueStart;\n  }\n\n  var baseDataOffset = dataCoordInfo.baseDataOffset;\n  var stackedData = [];\n  stackedData[baseDataOffset] = data.get(dataCoordInfo.baseDim, idx);\n  stackedData[1 - baseDataOffset] = value;\n  return coordSys.dataToPoint(stackedData);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { isArray } from 'zrender/lib/core/util';\n/* global Float32Array */\n\nvar supportFloat32Array = typeof Float32Array !== 'undefined';\nvar Float32ArrayCtor = !supportFloat32Array ? Array : Float32Array;\nexport function createFloat32Array(arg) {\n  if (isArray(arg)) {\n    // Return self directly if don't support TypedArray.\n    return supportFloat32Array ? new Float32Array(arg) : arg;\n  } // Else is number\n\n\n  return new Float32ArrayCtor(arg);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\"; // Poly path support NaN point\n\nimport Path from 'zrender/lib/graphic/Path';\nimport PathProxy from 'zrender/lib/core/PathProxy';\nimport { cubicRootAt, cubicAt } from 'zrender/lib/core/curve';\nvar mathMin = Math.min;\nvar mathMax = Math.max;\n\nfunction isPointNull(x, y) {\n  return isNaN(x) || isNaN(y);\n}\n/**\n * Draw smoothed line in non-monotone, in may cause undesired curve in extreme\n * situations. This should be used when points are non-monotone neither in x or\n * y dimension.\n */\n\n\nfunction drawSegment(ctx, points, start, segLen, allLen, dir, smooth, smoothMonotone, connectNulls) {\n  var prevX;\n  var prevY;\n  var cpx0;\n  var cpy0;\n  var cpx1;\n  var cpy1;\n  var idx = start;\n  var k = 0;\n\n  for (; k < segLen; k++) {\n    var x = points[idx * 2];\n    var y = points[idx * 2 + 1];\n\n    if (idx >= allLen || idx < 0) {\n      break;\n    }\n\n    if (isPointNull(x, y)) {\n      if (connectNulls) {\n        idx += dir;\n        continue;\n      }\n\n      break;\n    }\n\n    if (idx === start) {\n      ctx[dir > 0 ? 'moveTo' : 'lineTo'](x, y);\n      cpx0 = x;\n      cpy0 = y;\n    } else {\n      var dx = x - prevX;\n      var dy = y - prevY; // Ignore tiny segment.\n\n      if (dx * dx + dy * dy < 0.5) {\n        idx += dir;\n        continue;\n      }\n\n      if (smooth > 0) {\n        var nextIdx = idx + dir;\n        var nextX = points[nextIdx * 2];\n        var nextY = points[nextIdx * 2 + 1];\n        var tmpK = k + 1;\n\n        if (connectNulls) {\n          // Find next point not null\n          while (isPointNull(nextX, nextY) && tmpK < segLen) {\n            tmpK++;\n            nextIdx += dir;\n            nextX = points[nextIdx * 2];\n            nextY = points[nextIdx * 2 + 1];\n          }\n        }\n\n        var ratioNextSeg = 0.5;\n        var vx = 0;\n        var vy = 0;\n        var nextCpx0 = void 0;\n        var nextCpy0 = void 0; // Is last point\n\n        if (tmpK >= segLen || isPointNull(nextX, nextY)) {\n          cpx1 = x;\n          cpy1 = y;\n        } else {\n          vx = nextX - prevX;\n          vy = nextY - prevY;\n          var dx0 = x - prevX;\n          var dx1 = nextX - x;\n          var dy0 = y - prevY;\n          var dy1 = nextY - y;\n          var lenPrevSeg = void 0;\n          var lenNextSeg = void 0;\n\n          if (smoothMonotone === 'x') {\n            lenPrevSeg = Math.abs(dx0);\n            lenNextSeg = Math.abs(dx1);\n            cpx1 = x - lenPrevSeg * smooth;\n            cpy1 = y;\n            nextCpx0 = x + lenPrevSeg * smooth;\n            nextCpy0 = y;\n          } else if (smoothMonotone === 'y') {\n            lenPrevSeg = Math.abs(dy0);\n            lenNextSeg = Math.abs(dy1);\n            cpx1 = x;\n            cpy1 = y - lenPrevSeg * smooth;\n            nextCpx0 = x;\n            nextCpy0 = y + lenPrevSeg * smooth;\n          } else {\n            lenPrevSeg = Math.sqrt(dx0 * dx0 + dy0 * dy0);\n            lenNextSeg = Math.sqrt(dx1 * dx1 + dy1 * dy1); // Use ratio of seg length\n\n            ratioNextSeg = lenNextSeg / (lenNextSeg + lenPrevSeg);\n            cpx1 = x - vx * smooth * (1 - ratioNextSeg);\n            cpy1 = y - vy * smooth * (1 - ratioNextSeg); // cp0 of next segment\n\n            nextCpx0 = x + vx * smooth * ratioNextSeg;\n            nextCpy0 = y + vy * smooth * ratioNextSeg; // Smooth constraint between point and next point.\n            // Avoid exceeding extreme after smoothing.\n\n            nextCpx0 = mathMin(nextCpx0, mathMax(nextX, x));\n            nextCpy0 = mathMin(nextCpy0, mathMax(nextY, y));\n            nextCpx0 = mathMax(nextCpx0, mathMin(nextX, x));\n            nextCpy0 = mathMax(nextCpy0, mathMin(nextY, y)); // Reclaculate cp1 based on the adjusted cp0 of next seg.\n\n            vx = nextCpx0 - x;\n            vy = nextCpy0 - y;\n            cpx1 = x - vx * lenPrevSeg / lenNextSeg;\n            cpy1 = y - vy * lenPrevSeg / lenNextSeg; // Smooth constraint between point and prev point.\n            // Avoid exceeding extreme after smoothing.\n\n            cpx1 = mathMin(cpx1, mathMax(prevX, x));\n            cpy1 = mathMin(cpy1, mathMax(prevY, y));\n            cpx1 = mathMax(cpx1, mathMin(prevX, x));\n            cpy1 = mathMax(cpy1, mathMin(prevY, y)); // Adjust next cp0 again.\n\n            vx = x - cpx1;\n            vy = y - cpy1;\n            nextCpx0 = x + vx * lenNextSeg / lenPrevSeg;\n            nextCpy0 = y + vy * lenNextSeg / lenPrevSeg;\n          }\n        }\n\n        ctx.bezierCurveTo(cpx0, cpy0, cpx1, cpy1, x, y);\n        cpx0 = nextCpx0;\n        cpy0 = nextCpy0;\n      } else {\n        ctx.lineTo(x, y);\n      }\n    }\n\n    prevX = x;\n    prevY = y;\n    idx += dir;\n  }\n\n  return k;\n}\n\nvar ECPolylineShape =\n/** @class */\nfunction () {\n  function ECPolylineShape() {\n    this.smooth = 0;\n    this.smoothConstraint = true;\n  }\n\n  return ECPolylineShape;\n}();\n\nvar ECPolyline =\n/** @class */\nfunction (_super) {\n  __extends(ECPolyline, _super);\n\n  function ECPolyline(opts) {\n    var _this = _super.call(this, opts) || this;\n\n    _this.type = 'ec-polyline';\n    return _this;\n  }\n\n  ECPolyline.prototype.getDefaultStyle = function () {\n    return {\n      stroke: '#000',\n      fill: null\n    };\n  };\n\n  ECPolyline.prototype.getDefaultShape = function () {\n    return new ECPolylineShape();\n  };\n\n  ECPolyline.prototype.buildPath = function (ctx, shape) {\n    var points = shape.points;\n    var i = 0;\n    var len = points.length / 2; // const result = getBoundingBox(points, shape.smoothConstraint);\n\n    if (shape.connectNulls) {\n      // Must remove first and last null values avoid draw error in polygon\n      for (; len > 0; len--) {\n        if (!isPointNull(points[len * 2 - 2], points[len * 2 - 1])) {\n          break;\n        }\n      }\n\n      for (; i < len; i++) {\n        if (!isPointNull(points[i * 2], points[i * 2 + 1])) {\n          break;\n        }\n      }\n    }\n\n    while (i < len) {\n      i += drawSegment(ctx, points, i, len, len, 1, shape.smooth, shape.smoothMonotone, shape.connectNulls) + 1;\n    }\n  };\n\n  ECPolyline.prototype.getPointOn = function (xOrY, dim) {\n    if (!this.path) {\n      this.createPathProxy();\n      this.buildPath(this.path, this.shape);\n    }\n\n    var path = this.path;\n    var data = path.data;\n    var CMD = PathProxy.CMD;\n    var x0;\n    var y0;\n    var isDimX = dim === 'x';\n    var roots = [];\n\n    for (var i = 0; i < data.length;) {\n      var cmd = data[i++];\n      var x = void 0;\n      var y = void 0;\n      var x2 = void 0;\n      var y2 = void 0;\n      var x3 = void 0;\n      var y3 = void 0;\n      var t = void 0;\n\n      switch (cmd) {\n        case CMD.M:\n          x0 = data[i++];\n          y0 = data[i++];\n          break;\n\n        case CMD.L:\n          x = data[i++];\n          y = data[i++];\n          t = isDimX ? (xOrY - x0) / (x - x0) : (xOrY - y0) / (y - y0);\n\n          if (t <= 1 && t >= 0) {\n            var val = isDimX ? (y - y0) * t + y0 : (x - x0) * t + x0;\n            return isDimX ? [xOrY, val] : [val, xOrY];\n          }\n\n          x0 = x;\n          y0 = y;\n          break;\n\n        case CMD.C:\n          x = data[i++];\n          y = data[i++];\n          x2 = data[i++];\n          y2 = data[i++];\n          x3 = data[i++];\n          y3 = data[i++];\n          var nRoot = isDimX ? cubicRootAt(x0, x, x2, x3, xOrY, roots) : cubicRootAt(y0, y, y2, y3, xOrY, roots);\n\n          if (nRoot > 0) {\n            for (var i_1 = 0; i_1 < nRoot; i_1++) {\n              var t_1 = roots[i_1];\n\n              if (t_1 <= 1 && t_1 >= 0) {\n                var val = isDimX ? cubicAt(y0, y, y2, y3, t_1) : cubicAt(x0, x, x2, x3, t_1);\n                return isDimX ? [xOrY, val] : [val, xOrY];\n              }\n            }\n          }\n\n          x0 = x3;\n          y0 = y3;\n          break;\n      }\n    }\n  };\n\n  return ECPolyline;\n}(Path);\n\nexport { ECPolyline };\n\nvar ECPolygonShape =\n/** @class */\nfunction (_super) {\n  __extends(ECPolygonShape, _super);\n\n  function ECPolygonShape() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  return ECPolygonShape;\n}(ECPolylineShape);\n\nvar ECPolygon =\n/** @class */\nfunction (_super) {\n  __extends(ECPolygon, _super);\n\n  function ECPolygon(opts) {\n    var _this = _super.call(this, opts) || this;\n\n    _this.type = 'ec-polygon';\n    return _this;\n  }\n\n  ECPolygon.prototype.getDefaultShape = function () {\n    return new ECPolygonShape();\n  };\n\n  ECPolygon.prototype.buildPath = function (ctx, shape) {\n    var points = shape.points;\n    var stackedOnPoints = shape.stackedOnPoints;\n    var i = 0;\n    var len = points.length / 2;\n    var smoothMonotone = shape.smoothMonotone;\n\n    if (shape.connectNulls) {\n      // Must remove first and last null values avoid draw error in polygon\n      for (; len > 0; len--) {\n        if (!isPointNull(points[len * 2 - 2], points[len * 2 - 1])) {\n          break;\n        }\n      }\n\n      for (; i < len; i++) {\n        if (!isPointNull(points[i * 2], points[i * 2 + 1])) {\n          break;\n        }\n      }\n    }\n\n    while (i < len) {\n      var k = drawSegment(ctx, points, i, len, len, 1, shape.smooth, smoothMonotone, shape.connectNulls);\n      drawSegment(ctx, stackedOnPoints, i + k - 1, k, len, -1, shape.stackedOnSmooth, smoothMonotone, shape.connectNulls);\n      i += k + 1;\n      ctx.closePath();\n    }\n  };\n\n  return ECPolygon;\n}(Path);\n\nexport { ECPolygon };","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as graphic from '../../util/graphic';\nimport { round } from '../../util/number';\n\nfunction createGridClipPath(cartesian, hasAnimation, seriesModel, done, during) {\n  var rect = cartesian.getArea();\n  var x = rect.x;\n  var y = rect.y;\n  var width = rect.width;\n  var height = rect.height;\n  var lineWidth = seriesModel.get(['lineStyle', 'width']) || 2; // Expand the clip path a bit to avoid the border is clipped and looks thinner\n\n  x -= lineWidth / 2;\n  y -= lineWidth / 2;\n  width += lineWidth;\n  height += lineWidth; // fix: https://github.com/apache/incubator-echarts/issues/11369\n\n  x = Math.floor(x);\n  width = Math.round(width);\n  var clipPath = new graphic.Rect({\n    shape: {\n      x: x,\n      y: y,\n      width: width,\n      height: height\n    }\n  });\n\n  if (hasAnimation) {\n    var baseAxis = cartesian.getBaseAxis();\n    var isHorizontal = baseAxis.isHorizontal();\n    var isAxisInversed = baseAxis.inverse;\n\n    if (isHorizontal) {\n      if (isAxisInversed) {\n        clipPath.shape.x += width;\n      }\n\n      clipPath.shape.width = 0;\n    } else {\n      if (!isAxisInversed) {\n        clipPath.shape.y += height;\n      }\n\n      clipPath.shape.height = 0;\n    }\n\n    var duringCb = typeof during === 'function' ? function (percent) {\n      during(percent, clipPath);\n    } : null;\n    graphic.initProps(clipPath, {\n      shape: {\n        width: width,\n        height: height,\n        x: x,\n        y: y\n      }\n    }, seriesModel, null, done, duringCb);\n  }\n\n  return clipPath;\n}\n\nfunction createPolarClipPath(polar, hasAnimation, seriesModel) {\n  var sectorArea = polar.getArea(); // Avoid float number rounding error for symbol on the edge of axis extent.\n\n  var r0 = round(sectorArea.r0, 1);\n  var r = round(sectorArea.r, 1);\n  var clipPath = new graphic.Sector({\n    shape: {\n      cx: round(polar.cx, 1),\n      cy: round(polar.cy, 1),\n      r0: r0,\n      r: r,\n      startAngle: sectorArea.startAngle,\n      endAngle: sectorArea.endAngle,\n      clockwise: sectorArea.clockwise\n    }\n  });\n\n  if (hasAnimation) {\n    var isRadial = polar.getBaseAxis().dim === 'angle';\n\n    if (isRadial) {\n      clipPath.shape.endAngle = sectorArea.startAngle;\n    } else {\n      clipPath.shape.r = r0;\n    }\n\n    graphic.initProps(clipPath, {\n      shape: {\n        endAngle: sectorArea.endAngle,\n        r: r\n      }\n    }, seriesModel);\n  }\n\n  return clipPath;\n}\n\nfunction createClipPath(coordSys, hasAnimation, seriesModel, done, during) {\n  if (!coordSys) {\n    return null;\n  } else if (coordSys.type === 'polar') {\n    return createPolarClipPath(coordSys, hasAnimation, seriesModel);\n  } else if (coordSys.type === 'cartesian2d') {\n    return createGridClipPath(coordSys, hasAnimation, seriesModel, done, during);\n  }\n\n  return null;\n}\n\nexport { createGridClipPath, createPolarClipPath, createClipPath };","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport function isCoordinateSystemType(coordSys, type) {\n  return coordSys.type === type;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\"; // FIXME step not support polar\n\nimport * as zrUtil from 'zrender/lib/core/util';\nimport SymbolDraw from '../helper/SymbolDraw';\nimport SymbolClz from '../helper/Symbol';\nimport lineAnimationDiff from './lineAnimationDiff';\nimport * as graphic from '../../util/graphic';\nimport * as modelUtil from '../../util/model';\nimport { ECPolyline, ECPolygon } from './poly';\nimport ChartView from '../../view/Chart';\nimport { prepareDataCoordInfo, getStackedOnPoint } from './helper';\nimport { createGridClipPath, createPolarClipPath } from '../helper/createClipPathFromCoordSys';\nimport { isCoordinateSystemType } from '../../coord/CoordinateSystem';\nimport { setStatesStylesFromModel, setStatesFlag, enableHoverEmphasis } from '../../util/states';\nimport { setLabelStyle, getLabelStatesModels, labelInner } from '../../label/labelStyle';\nimport { getDefaultLabel, getDefaultInterpolatedLabel } from '../helper/labelHelper';\nimport { getECData } from '../../util/innerStore';\nimport { createFloat32Array } from '../../util/vendor';\nimport { convertToColorString } from '../../util/format';\n\nfunction isPointsSame(points1, points2) {\n  if (points1.length !== points2.length) {\n    return;\n  }\n\n  for (var i = 0; i < points1.length; i++) {\n    if (points1[i] !== points2[i]) {\n      return;\n    }\n  }\n\n  return true;\n}\n\nfunction bboxFromPoints(points) {\n  var minX = Infinity;\n  var minY = Infinity;\n  var maxX = -Infinity;\n  var maxY = -Infinity;\n\n  for (var i = 0; i < points.length;) {\n    var x = points[i++];\n    var y = points[i++];\n\n    if (!isNaN(x)) {\n      minX = Math.min(x, minX);\n      maxX = Math.max(x, maxX);\n    }\n\n    if (!isNaN(y)) {\n      minY = Math.min(y, minY);\n      maxY = Math.max(y, maxY);\n    }\n  }\n\n  return [[minX, minY], [maxX, maxY]];\n}\n\nfunction getBoundingDiff(points1, points2) {\n  var _a = bboxFromPoints(points1),\n      min1 = _a[0],\n      max1 = _a[1];\n\n  var _b = bboxFromPoints(points2),\n      min2 = _b[0],\n      max2 = _b[1]; // Get a max value from each corner of two boundings.\n\n\n  return Math.max(Math.abs(min1[0] - min2[0]), Math.abs(min1[1] - min2[1]), Math.abs(max1[0] - max2[0]), Math.abs(max1[1] - max2[1]));\n}\n\nfunction getSmooth(smooth) {\n  return typeof smooth === 'number' ? smooth : smooth ? 0.5 : 0;\n}\n\nfunction getStackedOnPoints(coordSys, data, dataCoordInfo) {\n  if (!dataCoordInfo.valueDim) {\n    return [];\n  }\n\n  var len = data.count();\n  var points = createFloat32Array(len * 2);\n\n  for (var idx = 0; idx < len; idx++) {\n    var pt = getStackedOnPoint(dataCoordInfo, coordSys, data, idx);\n    points[idx * 2] = pt[0];\n    points[idx * 2 + 1] = pt[1];\n  }\n\n  return points;\n}\n\nfunction turnPointsIntoStep(points, coordSys, stepTurnAt) {\n  var baseAxis = coordSys.getBaseAxis();\n  var baseIndex = baseAxis.dim === 'x' || baseAxis.dim === 'radius' ? 0 : 1;\n  var stepPoints = [];\n  var i = 0;\n  var stepPt = [];\n  var pt = [];\n  var nextPt = [];\n\n  for (; i < points.length - 2; i += 2) {\n    nextPt[0] = points[i + 2];\n    nextPt[1] = points[i + 3];\n    pt[0] = points[i];\n    pt[1] = points[i + 1];\n    stepPoints.push(pt[0], pt[1]);\n\n    switch (stepTurnAt) {\n      case 'end':\n        stepPt[baseIndex] = nextPt[baseIndex];\n        stepPt[1 - baseIndex] = pt[1 - baseIndex];\n        stepPoints.push(stepPt[0], stepPt[1]);\n        break;\n\n      case 'middle':\n        var middle = (pt[baseIndex] + nextPt[baseIndex]) / 2;\n        var stepPt2 = [];\n        stepPt[baseIndex] = stepPt2[baseIndex] = middle;\n        stepPt[1 - baseIndex] = pt[1 - baseIndex];\n        stepPt2[1 - baseIndex] = nextPt[1 - baseIndex];\n        stepPoints.push(stepPt[0], stepPt[1]);\n        stepPoints.push(stepPt2[0], stepPt2[1]);\n        break;\n\n      default:\n        // default is start\n        stepPt[baseIndex] = pt[baseIndex];\n        stepPt[1 - baseIndex] = nextPt[1 - baseIndex];\n        stepPoints.push(stepPt[0], stepPt[1]);\n    }\n  } // Last points\n\n\n  stepPoints.push(points[i++], points[i++]);\n  return stepPoints;\n}\n\nfunction getVisualGradient(data, coordSys) {\n  var visualMetaList = data.getVisual('visualMeta');\n\n  if (!visualMetaList || !visualMetaList.length || !data.count()) {\n    // When data.count() is 0, gradient range can not be calculated.\n    return;\n  }\n\n  if (coordSys.type !== 'cartesian2d') {\n    if (process.env.NODE_ENV !== 'production') {\n      console.warn('Visual map on line style is only supported on cartesian2d.');\n    }\n\n    return;\n  }\n\n  var coordDim;\n  var visualMeta;\n\n  for (var i = visualMetaList.length - 1; i >= 0; i--) {\n    var dimIndex = visualMetaList[i].dimension;\n    var dimName = data.dimensions[dimIndex];\n    var dimInfo = data.getDimensionInfo(dimName);\n    coordDim = dimInfo && dimInfo.coordDim; // Can only be x or y\n\n    if (coordDim === 'x' || coordDim === 'y') {\n      visualMeta = visualMetaList[i];\n      break;\n    }\n  }\n\n  if (!visualMeta) {\n    if (process.env.NODE_ENV !== 'production') {\n      console.warn('Visual map on line style only support x or y dimension.');\n    }\n\n    return;\n  } // If the area to be rendered is bigger than area defined by LinearGradient,\n  // the canvas spec prescribes that the color of the first stop and the last\n  // stop should be used. But if two stops are added at offset 0, in effect\n  // browsers use the color of the second stop to render area outside\n  // LinearGradient. So we can only infinitesimally extend area defined in\n  // LinearGradient to render `outerColors`.\n\n\n  var axis = coordSys.getAxis(coordDim); // dataToCoor mapping may not be linear, but must be monotonic.\n\n  var colorStops = zrUtil.map(visualMeta.stops, function (stop) {\n    return {\n      offset: 0,\n      coord: axis.toGlobalCoord(axis.dataToCoord(stop.value)),\n      color: stop.color\n    };\n  });\n  var stopLen = colorStops.length;\n  var outerColors = visualMeta.outerColors.slice();\n\n  if (stopLen && colorStops[0].coord > colorStops[stopLen - 1].coord) {\n    colorStops.reverse();\n    outerColors.reverse();\n  }\n\n  var tinyExtent = 10; // Arbitrary value: 10px\n\n  var minCoord = colorStops[0].coord - tinyExtent;\n  var maxCoord = colorStops[stopLen - 1].coord + tinyExtent;\n  var coordSpan = maxCoord - minCoord;\n\n  if (coordSpan < 1e-3) {\n    return 'transparent';\n  }\n\n  zrUtil.each(colorStops, function (stop) {\n    stop.offset = (stop.coord - minCoord) / coordSpan;\n  });\n  colorStops.push({\n    offset: stopLen ? colorStops[stopLen - 1].offset : 0.5,\n    color: outerColors[1] || 'transparent'\n  });\n  colorStops.unshift({\n    offset: stopLen ? colorStops[0].offset : 0.5,\n    color: outerColors[0] || 'transparent'\n  }); // zrUtil.each(colorStops, function (colorStop) {\n  //     // Make sure each offset has rounded px to avoid not sharp edge\n  //     colorStop.offset = (Math.round(colorStop.offset * (end - start) + start) - start) / (end - start);\n  // });\n\n  var gradient = new graphic.LinearGradient(0, 0, 0, 0, colorStops, true);\n  gradient[coordDim] = minCoord;\n  gradient[coordDim + '2'] = maxCoord;\n  return gradient;\n}\n\nfunction getIsIgnoreFunc(seriesModel, data, coordSys) {\n  var showAllSymbol = seriesModel.get('showAllSymbol');\n  var isAuto = showAllSymbol === 'auto';\n\n  if (showAllSymbol && !isAuto) {\n    return;\n  }\n\n  var categoryAxis = coordSys.getAxesByScale('ordinal')[0];\n\n  if (!categoryAxis) {\n    return;\n  } // Note that category label interval strategy might bring some weird effect\n  // in some scenario: users may wonder why some of the symbols are not\n  // displayed. So we show all symbols as possible as we can.\n\n\n  if (isAuto // Simplify the logic, do not determine label overlap here.\n  && canShowAllSymbolForCategory(categoryAxis, data)) {\n    return;\n  } // Otherwise follow the label interval strategy on category axis.\n\n\n  var categoryDataDim = data.mapDimension(categoryAxis.dim);\n  var labelMap = {};\n  zrUtil.each(categoryAxis.getViewLabels(), function (labelItem) {\n    var ordinalNumber = categoryAxis.scale.getRawOrdinalNumber(labelItem.tickValue);\n    labelMap[ordinalNumber] = 1;\n  });\n  return function (dataIndex) {\n    return !labelMap.hasOwnProperty(data.get(categoryDataDim, dataIndex));\n  };\n}\n\nfunction canShowAllSymbolForCategory(categoryAxis, data) {\n  // In mose cases, line is monotonous on category axis, and the label size\n  // is close with each other. So we check the symbol size and some of the\n  // label size alone with the category axis to estimate whether all symbol\n  // can be shown without overlap.\n  var axisExtent = categoryAxis.getExtent();\n  var availSize = Math.abs(axisExtent[1] - axisExtent[0]) / categoryAxis.scale.count();\n  isNaN(availSize) && (availSize = 0); // 0/0 is NaN.\n  // Sampling some points, max 5.\n\n  var dataLen = data.count();\n  var step = Math.max(1, Math.round(dataLen / 5));\n\n  for (var dataIndex = 0; dataIndex < dataLen; dataIndex += step) {\n    if (SymbolClz.getSymbolSize(data, dataIndex // Only for cartesian, where `isHorizontal` exists.\n    )[categoryAxis.isHorizontal() ? 1 : 0] // Empirical number\n    * 1.5 > availSize) {\n      return false;\n    }\n  }\n\n  return true;\n}\n\nfunction isPointNull(x, y) {\n  return isNaN(x) || isNaN(y);\n}\n\nfunction getLastIndexNotNull(points) {\n  var len = points.length / 2;\n\n  for (; len > 0; len--) {\n    if (!isPointNull(points[len * 2 - 2], points[len * 2 - 1])) {\n      break;\n    }\n  }\n\n  return len - 1;\n}\n\nfunction getPointAtIndex(points, idx) {\n  return [points[idx * 2], points[idx * 2 + 1]];\n}\n\nfunction getIndexRange(points, xOrY, dim) {\n  var len = points.length / 2;\n  var dimIdx = dim === 'x' ? 0 : 1;\n  var a;\n  var b;\n  var prevIndex = 0;\n  var nextIndex = -1;\n\n  for (var i = 0; i < len; i++) {\n    b = points[i * 2 + dimIdx];\n\n    if (isNaN(b) || isNaN(points[i * 2 + 1 - dimIdx])) {\n      continue;\n    }\n\n    if (i === 0) {\n      a = b;\n      continue;\n    }\n\n    if (a <= xOrY && b >= xOrY || a >= xOrY && b <= xOrY) {\n      nextIndex = i;\n      break;\n    }\n\n    prevIndex = i;\n    a = b;\n  }\n\n  return {\n    range: [prevIndex, nextIndex],\n    t: (xOrY - a) / (b - a)\n  };\n}\n\nfunction createLineClipPath(lineView, coordSys, hasAnimation, seriesModel) {\n  if (isCoordinateSystemType(coordSys, 'cartesian2d')) {\n    var endLabelModel_1 = seriesModel.getModel('endLabel');\n    var showEndLabel = endLabelModel_1.get('show');\n    var valueAnimation_1 = endLabelModel_1.get('valueAnimation');\n    var data_1 = seriesModel.getData();\n    var labelAnimationRecord_1 = {\n      lastFrameIndex: 0\n    };\n    var during = showEndLabel ? function (percent, clipRect) {\n      lineView._endLabelOnDuring(percent, clipRect, data_1, labelAnimationRecord_1, valueAnimation_1, endLabelModel_1, coordSys);\n    } : null;\n    var isHorizontal = coordSys.getBaseAxis().isHorizontal();\n    var clipPath = createGridClipPath(coordSys, hasAnimation, seriesModel, function () {\n      var endLabel = lineView._endLabel;\n\n      if (endLabel && hasAnimation) {\n        if (labelAnimationRecord_1.originalX != null) {\n          endLabel.attr({\n            x: labelAnimationRecord_1.originalX,\n            y: labelAnimationRecord_1.originalY\n          });\n        }\n      }\n    }, during); // Expand clip shape to avoid clipping when line value exceeds axis\n\n    if (!seriesModel.get('clip', true)) {\n      var rectShape = clipPath.shape;\n      var expandSize = Math.max(rectShape.width, rectShape.height);\n\n      if (isHorizontal) {\n        rectShape.y -= expandSize;\n        rectShape.height += expandSize * 2;\n      } else {\n        rectShape.x -= expandSize;\n        rectShape.width += expandSize * 2;\n      }\n    } // Set to the final frame. To make sure label layout is right.\n\n\n    if (during) {\n      during(1, clipPath);\n    }\n\n    return clipPath;\n  } else {\n    if (process.env.NODE_ENV !== 'production') {\n      if (seriesModel.get(['endLabel', 'show'])) {\n        console.warn('endLabel is not supported for lines in polar systems.');\n      }\n    }\n\n    return createPolarClipPath(coordSys, hasAnimation, seriesModel);\n  }\n}\n\nfunction getEndLabelStateSpecified(endLabelModel, coordSys) {\n  var baseAxis = coordSys.getBaseAxis();\n  var isHorizontal = baseAxis.isHorizontal();\n  var isBaseInversed = baseAxis.inverse;\n  var align = isHorizontal ? isBaseInversed ? 'right' : 'left' : 'center';\n  var verticalAlign = isHorizontal ? 'middle' : isBaseInversed ? 'top' : 'bottom';\n  return {\n    normal: {\n      align: endLabelModel.get('align') || align,\n      verticalAlign: endLabelModel.get('verticalAlign') || verticalAlign\n    }\n  };\n}\n\nvar LineView =\n/** @class */\nfunction (_super) {\n  __extends(LineView, _super);\n\n  function LineView() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  LineView.prototype.init = function () {\n    var lineGroup = new graphic.Group();\n    var symbolDraw = new SymbolDraw();\n    this.group.add(symbolDraw.group);\n    this._symbolDraw = symbolDraw;\n    this._lineGroup = lineGroup;\n  };\n\n  LineView.prototype.render = function (seriesModel, ecModel, api) {\n    var _this = this;\n\n    var coordSys = seriesModel.coordinateSystem;\n    var group = this.group;\n    var data = seriesModel.getData();\n    var lineStyleModel = seriesModel.getModel('lineStyle');\n    var areaStyleModel = seriesModel.getModel('areaStyle');\n    var points = data.getLayout('points') || [];\n    var isCoordSysPolar = coordSys.type === 'polar';\n    var prevCoordSys = this._coordSys;\n    var symbolDraw = this._symbolDraw;\n    var polyline = this._polyline;\n    var polygon = this._polygon;\n    var lineGroup = this._lineGroup;\n    var hasAnimation = seriesModel.get('animation');\n    var isAreaChart = !areaStyleModel.isEmpty();\n    var valueOrigin = areaStyleModel.get('origin');\n    var dataCoordInfo = prepareDataCoordInfo(coordSys, data, valueOrigin);\n    var stackedOnPoints = isAreaChart && getStackedOnPoints(coordSys, data, dataCoordInfo);\n    var showSymbol = seriesModel.get('showSymbol');\n    var isIgnoreFunc = showSymbol && !isCoordSysPolar && getIsIgnoreFunc(seriesModel, data, coordSys); // Remove temporary symbols\n\n    var oldData = this._data;\n    oldData && oldData.eachItemGraphicEl(function (el, idx) {\n      if (el.__temp) {\n        group.remove(el);\n        oldData.setItemGraphicEl(idx, null);\n      }\n    }); // Remove previous created symbols if showSymbol changed to false\n\n    if (!showSymbol) {\n      symbolDraw.remove();\n    }\n\n    group.add(lineGroup); // FIXME step not support polar\n\n    var step = !isCoordSysPolar ? seriesModel.get('step') : false;\n    var clipShapeForSymbol;\n\n    if (coordSys && coordSys.getArea && seriesModel.get('clip', true)) {\n      clipShapeForSymbol = coordSys.getArea(); // Avoid float number rounding error for symbol on the edge of axis extent.\n      // See #7913 and `test/dataZoom-clip.html`.\n\n      if (clipShapeForSymbol.width != null) {\n        clipShapeForSymbol.x -= 0.1;\n        clipShapeForSymbol.y -= 0.1;\n        clipShapeForSymbol.width += 0.2;\n        clipShapeForSymbol.height += 0.2;\n      } else if (clipShapeForSymbol.r0) {\n        clipShapeForSymbol.r0 -= 0.5;\n        clipShapeForSymbol.r += 0.5;\n      }\n    }\n\n    this._clipShapeForSymbol = clipShapeForSymbol;\n    var visualColor = getVisualGradient(data, coordSys) || data.getVisual('style')[data.getVisual('drawType')]; // Initialization animation or coordinate system changed\n\n    if (!(polyline && prevCoordSys.type === coordSys.type && step === this._step)) {\n      showSymbol && symbolDraw.updateData(data, {\n        isIgnore: isIgnoreFunc,\n        clipShape: clipShapeForSymbol,\n        disableAnimation: true,\n        getSymbolPoint: function (idx) {\n          return [points[idx * 2], points[idx * 2 + 1]];\n        }\n      });\n      hasAnimation && this._initSymbolLabelAnimation(data, coordSys, clipShapeForSymbol);\n\n      if (step) {\n        // TODO If stacked series is not step\n        points = turnPointsIntoStep(points, coordSys, step);\n\n        if (stackedOnPoints) {\n          stackedOnPoints = turnPointsIntoStep(stackedOnPoints, coordSys, step);\n        }\n      }\n\n      polyline = this._newPolyline(points);\n\n      if (isAreaChart) {\n        polygon = this._newPolygon(points, stackedOnPoints);\n      } // NOTE: Must update _endLabel before setClipPath.\n\n\n      if (!isCoordSysPolar) {\n        this._initOrUpdateEndLabel(seriesModel, coordSys, convertToColorString(visualColor));\n      }\n\n      lineGroup.setClipPath(createLineClipPath(this, coordSys, true, seriesModel));\n    } else {\n      if (isAreaChart && !polygon) {\n        // If areaStyle is added\n        polygon = this._newPolygon(points, stackedOnPoints);\n      } else if (polygon && !isAreaChart) {\n        // If areaStyle is removed\n        lineGroup.remove(polygon);\n        polygon = this._polygon = null;\n      } // NOTE: Must update _endLabel before setClipPath.\n\n\n      if (!isCoordSysPolar) {\n        this._initOrUpdateEndLabel(seriesModel, coordSys, convertToColorString(visualColor));\n      } // Update clipPath\n\n\n      lineGroup.setClipPath(createLineClipPath(this, coordSys, false, seriesModel)); // Always update, or it is wrong in the case turning on legend\n      // because points are not changed\n\n      showSymbol && symbolDraw.updateData(data, {\n        isIgnore: isIgnoreFunc,\n        clipShape: clipShapeForSymbol,\n        disableAnimation: true,\n        getSymbolPoint: function (idx) {\n          return [points[idx * 2], points[idx * 2 + 1]];\n        }\n      }); // In the case data zoom triggerred refreshing frequently\n      // Data may not change if line has a category axis. So it should animate nothing\n\n      if (!isPointsSame(this._stackedOnPoints, stackedOnPoints) || !isPointsSame(this._points, points)) {\n        if (hasAnimation) {\n          this._doUpdateAnimation(data, stackedOnPoints, coordSys, api, step, valueOrigin);\n        } else {\n          // Not do it in update with animation\n          if (step) {\n            // TODO If stacked series is not step\n            points = turnPointsIntoStep(points, coordSys, step);\n\n            if (stackedOnPoints) {\n              stackedOnPoints = turnPointsIntoStep(stackedOnPoints, coordSys, step);\n            }\n          }\n\n          polyline.setShape({\n            points: points\n          });\n          polygon && polygon.setShape({\n            points: points,\n            stackedOnPoints: stackedOnPoints\n          });\n        }\n      }\n    }\n\n    var focus = seriesModel.get(['emphasis', 'focus']);\n    var blurScope = seriesModel.get(['emphasis', 'blurScope']);\n    polyline.useStyle(zrUtil.defaults( // Use color in lineStyle first\n    lineStyleModel.getLineStyle(), {\n      fill: 'none',\n      stroke: visualColor,\n      lineJoin: 'bevel'\n    }));\n    setStatesStylesFromModel(polyline, seriesModel, 'lineStyle');\n\n    if (polyline.style.lineWidth > 0 && seriesModel.get(['emphasis', 'lineStyle', 'width']) === 'bolder') {\n      var emphasisLineStyle = polyline.getState('emphasis').style;\n      emphasisLineStyle.lineWidth = +polyline.style.lineWidth + 1;\n    } // Needs seriesIndex for focus\n\n\n    getECData(polyline).seriesIndex = seriesModel.seriesIndex;\n    enableHoverEmphasis(polyline, focus, blurScope);\n    var smooth = getSmooth(seriesModel.get('smooth'));\n    var smoothMonotone = seriesModel.get('smoothMonotone');\n    var connectNulls = seriesModel.get('connectNulls');\n    polyline.setShape({\n      smooth: smooth,\n      smoothMonotone: smoothMonotone,\n      connectNulls: connectNulls\n    });\n\n    if (polygon) {\n      var stackedOnSeries = data.getCalculationInfo('stackedOnSeries');\n      var stackedOnSmooth = 0;\n      polygon.useStyle(zrUtil.defaults(areaStyleModel.getAreaStyle(), {\n        fill: visualColor,\n        opacity: 0.7,\n        lineJoin: 'bevel',\n        decal: data.getVisual('style').decal\n      }));\n\n      if (stackedOnSeries) {\n        stackedOnSmooth = getSmooth(stackedOnSeries.get('smooth'));\n      }\n\n      polygon.setShape({\n        smooth: smooth,\n        stackedOnSmooth: stackedOnSmooth,\n        smoothMonotone: smoothMonotone,\n        connectNulls: connectNulls\n      });\n      setStatesStylesFromModel(polygon, seriesModel, 'areaStyle'); // Needs seriesIndex for focus\n\n      getECData(polygon).seriesIndex = seriesModel.seriesIndex;\n      enableHoverEmphasis(polygon, focus, blurScope);\n    }\n\n    var changePolyState = function (toState) {\n      _this._changePolyState(toState);\n    };\n\n    data.eachItemGraphicEl(function (el) {\n      // Switch polyline / polygon state if element changed its state.\n      el && (el.onHoverStateChange = changePolyState);\n    });\n    this._polyline.onHoverStateChange = changePolyState;\n    this._data = data; // Save the coordinate system for transition animation when data changed\n\n    this._coordSys = coordSys;\n    this._stackedOnPoints = stackedOnPoints;\n    this._points = points;\n    this._step = step;\n    this._valueOrigin = valueOrigin;\n  };\n\n  LineView.prototype.dispose = function () {};\n\n  LineView.prototype.highlight = function (seriesModel, ecModel, api, payload) {\n    var data = seriesModel.getData();\n    var dataIndex = modelUtil.queryDataIndex(data, payload);\n\n    this._changePolyState('emphasis');\n\n    if (!(dataIndex instanceof Array) && dataIndex != null && dataIndex >= 0) {\n      var points = data.getLayout('points');\n      var symbol = data.getItemGraphicEl(dataIndex);\n\n      if (!symbol) {\n        // Create a temporary symbol if it is not exists\n        var x = points[dataIndex * 2];\n        var y = points[dataIndex * 2 + 1];\n\n        if (isNaN(x) || isNaN(y)) {\n          // Null data\n          return;\n        } // fix #11360: should't draw symbol outside clipShapeForSymbol\n\n\n        if (this._clipShapeForSymbol && !this._clipShapeForSymbol.contain(x, y)) {\n          return;\n        }\n\n        symbol = new SymbolClz(data, dataIndex);\n        symbol.x = x;\n        symbol.y = y;\n        symbol.setZ(seriesModel.get('zlevel'), seriesModel.get('z')); // ensure label text of the temporal symbol is on the top of line and area polygon\n\n        var symbolLabel = symbol.getSymbolPath().getTextContent();\n        symbolLabel && (symbolLabel.z2 = this._polyline.z2 + 1);\n        symbol.__temp = true;\n        data.setItemGraphicEl(dataIndex, symbol); // Stop scale animation\n\n        symbol.stopSymbolAnimation(true);\n        this.group.add(symbol);\n      }\n\n      symbol.highlight();\n    } else {\n      // Highlight whole series\n      ChartView.prototype.highlight.call(this, seriesModel, ecModel, api, payload);\n    }\n  };\n\n  LineView.prototype.downplay = function (seriesModel, ecModel, api, payload) {\n    var data = seriesModel.getData();\n    var dataIndex = modelUtil.queryDataIndex(data, payload);\n\n    this._changePolyState('normal');\n\n    if (dataIndex != null && dataIndex >= 0) {\n      var symbol = data.getItemGraphicEl(dataIndex);\n\n      if (symbol) {\n        if (symbol.__temp) {\n          data.setItemGraphicEl(dataIndex, null);\n          this.group.remove(symbol);\n        } else {\n          symbol.downplay();\n        }\n      }\n    } else {\n      // FIXME\n      // can not downplay completely.\n      // Downplay whole series\n      ChartView.prototype.downplay.call(this, seriesModel, ecModel, api, payload);\n    }\n  };\n\n  LineView.prototype._changePolyState = function (toState) {\n    var polygon = this._polygon;\n    setStatesFlag(this._polyline, toState);\n    polygon && setStatesFlag(polygon, toState);\n  };\n\n  LineView.prototype._newPolyline = function (points) {\n    var polyline = this._polyline; // Remove previous created polyline\n\n    if (polyline) {\n      this._lineGroup.remove(polyline);\n    }\n\n    polyline = new ECPolyline({\n      shape: {\n        points: points\n      },\n      segmentIgnoreThreshold: 2,\n      z2: 10\n    });\n\n    this._lineGroup.add(polyline);\n\n    this._polyline = polyline;\n    return polyline;\n  };\n\n  LineView.prototype._newPolygon = function (points, stackedOnPoints) {\n    var polygon = this._polygon; // Remove previous created polygon\n\n    if (polygon) {\n      this._lineGroup.remove(polygon);\n    }\n\n    polygon = new ECPolygon({\n      shape: {\n        points: points,\n        stackedOnPoints: stackedOnPoints\n      },\n      segmentIgnoreThreshold: 2\n    });\n\n    this._lineGroup.add(polygon);\n\n    this._polygon = polygon;\n    return polygon;\n  };\n\n  LineView.prototype._initSymbolLabelAnimation = function (data, coordSys, clipShape) {\n    var isHorizontalOrRadial;\n    var isCoordSysPolar;\n    var baseAxis = coordSys.getBaseAxis();\n    var isAxisInverse = baseAxis.inverse;\n\n    if (coordSys.type === 'cartesian2d') {\n      isHorizontalOrRadial = baseAxis.isHorizontal();\n      isCoordSysPolar = false;\n    } else if (coordSys.type === 'polar') {\n      isHorizontalOrRadial = baseAxis.dim === 'angle';\n      isCoordSysPolar = true;\n    }\n\n    var seriesModel = data.hostModel;\n    var seriesDuration = seriesModel.get('animationDuration');\n\n    if (typeof seriesDuration === 'function') {\n      seriesDuration = seriesDuration(null);\n    }\n\n    var seriesDalay = seriesModel.get('animationDelay') || 0;\n    var seriesDalayValue = typeof seriesDalay === 'function' ? seriesDalay(null) : seriesDalay;\n    data.eachItemGraphicEl(function (symbol, idx) {\n      var el = symbol;\n\n      if (el) {\n        var point = [symbol.x, symbol.y];\n        var start = void 0;\n        var end = void 0;\n        var current = void 0;\n\n        if (isCoordSysPolar) {\n          var polarClip = clipShape;\n          var coord = coordSys.pointToCoord(point);\n\n          if (isHorizontalOrRadial) {\n            start = polarClip.startAngle;\n            end = polarClip.endAngle;\n            current = -coord[1] / 180 * Math.PI;\n          } else {\n            start = polarClip.r0;\n            end = polarClip.r;\n            current = coord[0];\n          }\n        } else {\n          var gridClip = clipShape;\n\n          if (isHorizontalOrRadial) {\n            start = gridClip.x;\n            end = gridClip.x + gridClip.width;\n            current = symbol.x;\n          } else {\n            start = gridClip.y + gridClip.height;\n            end = gridClip.y;\n            current = symbol.y;\n          }\n        }\n\n        var ratio = end === start ? 0 : (current - start) / (end - start);\n\n        if (isAxisInverse) {\n          ratio = 1 - ratio;\n        }\n\n        var delay = typeof seriesDalay === 'function' ? seriesDalay(idx) : seriesDuration * ratio + seriesDalayValue;\n        var symbolPath = el.getSymbolPath();\n        var text = symbolPath.getTextContent();\n        el.attr({\n          scaleX: 0,\n          scaleY: 0\n        });\n        el.animateTo({\n          scaleX: 1,\n          scaleY: 1\n        }, {\n          duration: 200,\n          delay: delay\n        });\n\n        if (text) {\n          text.animateFrom({\n            style: {\n              opacity: 0\n            }\n          }, {\n            duration: 300,\n            delay: delay\n          });\n        }\n\n        symbolPath.disableLabelAnimation = true;\n      }\n    });\n  };\n\n  LineView.prototype._initOrUpdateEndLabel = function (seriesModel, coordSys, inheritColor) {\n    var endLabelModel = seriesModel.getModel('endLabel');\n\n    if (endLabelModel.get('show')) {\n      var data_2 = seriesModel.getData();\n      var polyline = this._polyline;\n      var endLabel = this._endLabel;\n\n      if (!endLabel) {\n        endLabel = this._endLabel = new graphic.Text({\n          z2: 200 // should be higher than item symbol\n\n        });\n        endLabel.ignoreClip = true;\n        polyline.setTextContent(this._endLabel);\n        polyline.disableLabelAnimation = true;\n      } // Find last non-NaN data to display data\n\n\n      var dataIndex = getLastIndexNotNull(data_2.getLayout('points'));\n\n      if (dataIndex >= 0) {\n        setLabelStyle(polyline, getLabelStatesModels(seriesModel, 'endLabel'), {\n          inheritColor: inheritColor,\n          labelFetcher: seriesModel,\n          labelDataIndex: dataIndex,\n          defaultText: function (dataIndex, opt, interpolatedValue) {\n            return interpolatedValue != null ? getDefaultInterpolatedLabel(data_2, interpolatedValue) : getDefaultLabel(data_2, dataIndex);\n          },\n          enableTextSetter: true\n        }, getEndLabelStateSpecified(endLabelModel, coordSys));\n        polyline.textConfig.position = null;\n      }\n    } else if (this._endLabel) {\n      this._polyline.removeTextContent();\n\n      this._endLabel = null;\n    }\n  };\n\n  LineView.prototype._endLabelOnDuring = function (percent, clipRect, data, animationRecord, valueAnimation, endLabelModel, coordSys) {\n    var endLabel = this._endLabel;\n    var polyline = this._polyline;\n\n    if (endLabel) {\n      // NOTE: Don't remove percent < 1. percent === 1 means the first frame during render.\n      // The label is not prepared at this time.\n      if (percent < 1 && animationRecord.originalX == null) {\n        animationRecord.originalX = endLabel.x;\n        animationRecord.originalY = endLabel.y;\n      }\n\n      var points = data.getLayout('points');\n      var seriesModel = data.hostModel;\n      var connectNulls = seriesModel.get('connectNulls');\n      var precision = endLabelModel.get('precision');\n      var distance = endLabelModel.get('distance') || 0;\n      var baseAxis = coordSys.getBaseAxis();\n      var isHorizontal = baseAxis.isHorizontal();\n      var isBaseInversed = baseAxis.inverse;\n      var clipShape = clipRect.shape;\n      var xOrY = isBaseInversed ? isHorizontal ? clipShape.x : clipShape.y + clipShape.height : isHorizontal ? clipShape.x + clipShape.width : clipShape.y;\n      var distanceX = (isHorizontal ? distance : 0) * (isBaseInversed ? -1 : 1);\n      var distanceY = (isHorizontal ? 0 : -distance) * (isBaseInversed ? -1 : 1);\n      var dim = isHorizontal ? 'x' : 'y';\n      var dataIndexRange = getIndexRange(points, xOrY, dim);\n      var indices = dataIndexRange.range;\n      var diff = indices[1] - indices[0];\n      var value = void 0;\n\n      if (diff >= 1) {\n        // diff > 1 && connectNulls, which is on the null data.\n        if (diff > 1 && !connectNulls) {\n          var pt = getPointAtIndex(points, indices[0]);\n          endLabel.attr({\n            x: pt[0] + distanceX,\n            y: pt[1] + distanceY\n          });\n          valueAnimation && (value = seriesModel.getRawValue(indices[0]));\n        } else {\n          var pt = polyline.getPointOn(xOrY, dim);\n          pt && endLabel.attr({\n            x: pt[0] + distanceX,\n            y: pt[1] + distanceY\n          });\n          var startValue = seriesModel.getRawValue(indices[0]);\n          var endValue = seriesModel.getRawValue(indices[1]);\n          valueAnimation && (value = modelUtil.interpolateRawValues(data, precision, startValue, endValue, dataIndexRange.t));\n        }\n\n        animationRecord.lastFrameIndex = indices[0];\n      } else {\n        // If diff <= 0, which is the range is not found(Include NaN)\n        // Choose the first point or last point.\n        var idx = percent === 1 || animationRecord.lastFrameIndex > 0 ? indices[0] : 0;\n        var pt = getPointAtIndex(points, idx);\n        valueAnimation && (value = seriesModel.getRawValue(idx));\n        endLabel.attr({\n          x: pt[0] + distanceX,\n          y: pt[1] + distanceY\n        });\n      }\n\n      if (valueAnimation) {\n        labelInner(endLabel).setLabelText(value);\n      }\n    }\n  };\n  /**\n   * @private\n   */\n  // FIXME Two value axis\n\n\n  LineView.prototype._doUpdateAnimation = function (data, stackedOnPoints, coordSys, api, step, valueOrigin) {\n    var polyline = this._polyline;\n    var polygon = this._polygon;\n    var seriesModel = data.hostModel;\n    var diff = lineAnimationDiff(this._data, data, this._stackedOnPoints, stackedOnPoints, this._coordSys, coordSys, this._valueOrigin, valueOrigin);\n    var current = diff.current;\n    var stackedOnCurrent = diff.stackedOnCurrent;\n    var next = diff.next;\n    var stackedOnNext = diff.stackedOnNext;\n\n    if (step) {\n      // TODO If stacked series is not step\n      current = turnPointsIntoStep(diff.current, coordSys, step);\n      stackedOnCurrent = turnPointsIntoStep(diff.stackedOnCurrent, coordSys, step);\n      next = turnPointsIntoStep(diff.next, coordSys, step);\n      stackedOnNext = turnPointsIntoStep(diff.stackedOnNext, coordSys, step);\n    } // Don't apply animation if diff is large.\n    // For better result and avoid memory explosion problems like\n    // https://github.com/apache/incubator-echarts/issues/12229\n\n\n    if (getBoundingDiff(current, next) > 3000 || polygon && getBoundingDiff(stackedOnCurrent, stackedOnNext) > 3000) {\n      polyline.setShape({\n        points: next\n      });\n\n      if (polygon) {\n        polygon.setShape({\n          points: next,\n          stackedOnPoints: stackedOnNext\n        });\n      }\n\n      return;\n    }\n\n    polyline.shape.__points = diff.current;\n    polyline.shape.points = current;\n    var target = {\n      shape: {\n        points: next\n      }\n    }; // Also animate the original points.\n    // If points reference is changed when turning into step line.\n\n    if (diff.current !== current) {\n      target.shape.__points = diff.next;\n    } // Stop previous animation.\n\n\n    polyline.stopAnimation();\n    graphic.updateProps(polyline, target, seriesModel);\n\n    if (polygon) {\n      polygon.setShape({\n        // Reuse the points with polyline.\n        points: current,\n        stackedOnPoints: stackedOnCurrent\n      });\n      polygon.stopAnimation();\n      graphic.updateProps(polygon, {\n        shape: {\n          stackedOnPoints: stackedOnNext\n        }\n      }, seriesModel); // If use attr directly in updateProps.\n\n      if (polyline.shape.points !== polygon.shape.points) {\n        polygon.shape.points = polyline.shape.points;\n      }\n    }\n\n    var updatedDataInfo = [];\n    var diffStatus = diff.status;\n\n    for (var i = 0; i < diffStatus.length; i++) {\n      var cmd = diffStatus[i].cmd;\n\n      if (cmd === '=') {\n        var el = data.getItemGraphicEl(diffStatus[i].idx1);\n\n        if (el) {\n          updatedDataInfo.push({\n            el: el,\n            ptIdx: i // Index of points\n\n          });\n        }\n      }\n    }\n\n    if (polyline.animators && polyline.animators.length) {\n      polyline.animators[0].during(function () {\n        polygon && polygon.dirtyShape();\n        var points = polyline.shape.__points;\n\n        for (var i = 0; i < updatedDataInfo.length; i++) {\n          var el = updatedDataInfo[i].el;\n          var offset = updatedDataInfo[i].ptIdx * 2;\n          el.x = points[offset];\n          el.y = points[offset + 1];\n          el.markRedraw();\n        }\n      });\n    }\n  };\n\n  LineView.prototype.remove = function (ecModel) {\n    var group = this.group;\n    var oldData = this._data;\n\n    this._lineGroup.removeAll();\n\n    this._symbolDraw.remove(true); // Remove temporary created elements when highlighting\n\n\n    oldData && oldData.eachItemGraphicEl(function (el, idx) {\n      if (el.__temp) {\n        group.remove(el);\n        oldData.setItemGraphicEl(idx, null);\n      }\n    });\n    this._polyline = this._polygon = this._coordSys = this._points = this._stackedOnPoints = this._endLabel = this._data = null;\n  };\n\n  LineView.type = 'line';\n  return LineView;\n}(ChartView);\n\nexport default LineView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { prepareDataCoordInfo, getStackedOnPoint } from './helper';\nimport { createFloat32Array } from '../../util/vendor';\n\nfunction diffData(oldData, newData) {\n  var diffResult = [];\n  newData.diff(oldData).add(function (idx) {\n    diffResult.push({\n      cmd: '+',\n      idx: idx\n    });\n  }).update(function (newIdx, oldIdx) {\n    diffResult.push({\n      cmd: '=',\n      idx: oldIdx,\n      idx1: newIdx\n    });\n  }).remove(function (idx) {\n    diffResult.push({\n      cmd: '-',\n      idx: idx\n    });\n  }).execute();\n  return diffResult;\n}\n\nexport default function lineAnimationDiff(oldData, newData, oldStackedOnPoints, newStackedOnPoints, oldCoordSys, newCoordSys, oldValueOrigin, newValueOrigin) {\n  var diff = diffData(oldData, newData); // let newIdList = newData.mapArray(newData.getId);\n  // let oldIdList = oldData.mapArray(oldData.getId);\n  // convertToIntId(newIdList, oldIdList);\n  // // FIXME One data ?\n  // diff = arrayDiff(oldIdList, newIdList);\n\n  var currPoints = [];\n  var nextPoints = []; // Points for stacking base line\n\n  var currStackedPoints = [];\n  var nextStackedPoints = [];\n  var status = [];\n  var sortedIndices = [];\n  var rawIndices = [];\n  var newDataOldCoordInfo = prepareDataCoordInfo(oldCoordSys, newData, oldValueOrigin);\n  var oldDataNewCoordInfo = prepareDataCoordInfo(newCoordSys, oldData, newValueOrigin);\n  var oldPoints = oldData.getLayout('points') || [];\n  var newPoints = newData.getLayout('points') || [];\n\n  for (var i = 0; i < diff.length; i++) {\n    var diffItem = diff[i];\n    var pointAdded = true;\n    var oldIdx2 = void 0;\n    var newIdx2 = void 0; // FIXME, animation is not so perfect when dataZoom window moves fast\n    // Which is in case remvoing or add more than one data in the tail or head\n\n    switch (diffItem.cmd) {\n      case '=':\n        oldIdx2 = diffItem.idx * 2;\n        newIdx2 = diffItem.idx1 * 2;\n        var currentX = oldPoints[oldIdx2];\n        var currentY = oldPoints[oldIdx2 + 1];\n        var nextX = newPoints[newIdx2];\n        var nextY = newPoints[newIdx2 + 1]; // If previous data is NaN, use next point directly\n\n        if (isNaN(currentX) || isNaN(currentY)) {\n          currentX = nextX;\n          currentY = nextY;\n        }\n\n        currPoints.push(currentX, currentY);\n        nextPoints.push(nextX, nextY);\n        currStackedPoints.push(oldStackedOnPoints[oldIdx2], oldStackedOnPoints[oldIdx2 + 1]);\n        nextStackedPoints.push(newStackedOnPoints[newIdx2], newStackedOnPoints[newIdx2 + 1]);\n        rawIndices.push(newData.getRawIndex(diffItem.idx1));\n        break;\n\n      case '+':\n        var newIdx = diffItem.idx;\n        var newDataDimsForPoint = newDataOldCoordInfo.dataDimsForPoint;\n        var oldPt = oldCoordSys.dataToPoint([newData.get(newDataDimsForPoint[0], newIdx), newData.get(newDataDimsForPoint[1], newIdx)]);\n        newIdx2 = newIdx * 2;\n        currPoints.push(oldPt[0], oldPt[1]);\n        nextPoints.push(newPoints[newIdx2], newPoints[newIdx2 + 1]);\n        var stackedOnPoint = getStackedOnPoint(newDataOldCoordInfo, oldCoordSys, newData, newIdx);\n        currStackedPoints.push(stackedOnPoint[0], stackedOnPoint[1]);\n        nextStackedPoints.push(newStackedOnPoints[newIdx2], newStackedOnPoints[newIdx2 + 1]);\n        rawIndices.push(newData.getRawIndex(newIdx));\n        break;\n\n      case '-':\n        pointAdded = false;\n    } // Original indices\n\n\n    if (pointAdded) {\n      status.push(diffItem);\n      sortedIndices.push(sortedIndices.length);\n    }\n  } // Diff result may be crossed if all items are changed\n  // Sort by data index\n\n\n  sortedIndices.sort(function (a, b) {\n    return rawIndices[a] - rawIndices[b];\n  });\n  var len = currPoints.length;\n  var sortedCurrPoints = createFloat32Array(len);\n  var sortedNextPoints = createFloat32Array(len);\n  var sortedCurrStackedPoints = createFloat32Array(len);\n  var sortedNextStackedPoints = createFloat32Array(len);\n  var sortedStatus = [];\n\n  for (var i = 0; i < sortedIndices.length; i++) {\n    var idx = sortedIndices[i];\n    var i2 = i * 2;\n    var idx2 = idx * 2;\n    sortedCurrPoints[i2] = currPoints[idx2];\n    sortedCurrPoints[i2 + 1] = currPoints[idx2 + 1];\n    sortedNextPoints[i2] = nextPoints[idx2];\n    sortedNextPoints[i2 + 1] = nextPoints[idx2 + 1];\n    sortedCurrStackedPoints[i2] = currStackedPoints[idx2];\n    sortedCurrStackedPoints[i2 + 1] = currStackedPoints[idx2 + 1];\n    sortedNextStackedPoints[i2] = nextStackedPoints[idx2];\n    sortedNextStackedPoints[i2 + 1] = nextStackedPoints[idx2 + 1];\n    sortedStatus[i] = status[idx];\n  }\n\n  return {\n    current: sortedCurrPoints,\n    next: sortedNextPoints,\n    stackedOnCurrent: sortedCurrStackedPoints,\n    stackedOnNext: sortedNextStackedPoints,\n    status: sortedStatus\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/* global Float32Array */\nimport { map } from 'zrender/lib/core/util';\nimport createRenderPlanner from '../chart/helper/createRenderPlanner';\nimport { isDimensionStacked } from '../data/helper/dataStackHelper';\nimport { createFloat32Array } from '../util/vendor';\nexport default function pointsLayout(seriesType, forceStoreInTypedArray) {\n  return {\n    seriesType: seriesType,\n    plan: createRenderPlanner(),\n    reset: function (seriesModel) {\n      var data = seriesModel.getData();\n      var coordSys = seriesModel.coordinateSystem;\n      var pipelineContext = seriesModel.pipelineContext;\n      var useTypedArray = forceStoreInTypedArray || pipelineContext.large;\n\n      if (!coordSys) {\n        return;\n      }\n\n      var dims = map(coordSys.dimensions, function (dim) {\n        return data.mapDimension(dim);\n      }).slice(0, 2);\n      var dimLen = dims.length;\n      var stackResultDim = data.getCalculationInfo('stackResultDimension');\n\n      if (isDimensionStacked(data, dims[0]\n      /*, dims[1]*/\n      )) {\n        dims[0] = stackResultDim;\n      }\n\n      if (isDimensionStacked(data, dims[1]\n      /*, dims[0]*/\n      )) {\n        dims[1] = stackResultDim;\n      }\n\n      var dimInfo0 = data.getDimensionInfo(dims[0]);\n      var dimInfo1 = data.getDimensionInfo(dims[1]);\n      var dimIdx0 = dimInfo0 && dimInfo0.index;\n      var dimIdx1 = dimInfo1 && dimInfo1.index;\n      return dimLen && {\n        progress: function (params, data) {\n          var segCount = params.end - params.start;\n          var points = useTypedArray && createFloat32Array(segCount * dimLen);\n          var tmpIn = [];\n          var tmpOut = [];\n\n          for (var i = params.start, offset = 0; i < params.end; i++) {\n            var point = void 0;\n\n            if (dimLen === 1) {\n              var x = data.getByDimIdx(dimIdx0, i); // NOTE: Make sure the second parameter is null to use default strategy.\n\n              point = coordSys.dataToPoint(x, null, tmpOut);\n            } else {\n              tmpIn[0] = data.getByDimIdx(dimIdx0, i);\n              tmpIn[1] = data.getByDimIdx(dimIdx1, i); // Let coordinate system to handle the NaN data.\n\n              point = coordSys.dataToPoint(tmpIn, null, tmpOut);\n            }\n\n            if (useTypedArray) {\n              points[offset++] = point[0];\n              points[offset++] = point[1];\n            } else {\n              data.setItemLayout(i, point.slice());\n            }\n          }\n\n          useTypedArray && data.setLayout('points', points);\n        }\n      };\n    }\n  };\n}\n;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar samplers = {\n  average: function (frame) {\n    var sum = 0;\n    var count = 0;\n\n    for (var i = 0; i < frame.length; i++) {\n      if (!isNaN(frame[i])) {\n        sum += frame[i];\n        count++;\n      }\n    } // Return NaN if count is 0\n\n\n    return count === 0 ? NaN : sum / count;\n  },\n  sum: function (frame) {\n    var sum = 0;\n\n    for (var i = 0; i < frame.length; i++) {\n      // Ignore NaN\n      sum += frame[i] || 0;\n    }\n\n    return sum;\n  },\n  max: function (frame) {\n    var max = -Infinity;\n\n    for (var i = 0; i < frame.length; i++) {\n      frame[i] > max && (max = frame[i]);\n    } // NaN will cause illegal axis extent.\n\n\n    return isFinite(max) ? max : NaN;\n  },\n  min: function (frame) {\n    var min = Infinity;\n\n    for (var i = 0; i < frame.length; i++) {\n      frame[i] < min && (min = frame[i]);\n    } // NaN will cause illegal axis extent.\n\n\n    return isFinite(min) ? min : NaN;\n  },\n  // TODO\n  // Median\n  nearest: function (frame) {\n    return frame[0];\n  }\n};\n\nvar indexSampler = function (frame) {\n  return Math.round(frame.length / 2);\n};\n\nexport default function dataSample(seriesType) {\n  return {\n    seriesType: seriesType,\n    // FIXME:TS never used, so comment it\n    // modifyOutputEnd: true,\n    reset: function (seriesModel, ecModel, api) {\n      var data = seriesModel.getData();\n      var sampling = seriesModel.get('sampling');\n      var coordSys = seriesModel.coordinateSystem;\n      var count = data.count(); // Only cartesian2d support down sampling. Disable it when there is few data.\n\n      if (count > 10 && coordSys.type === 'cartesian2d' && sampling) {\n        var baseAxis = coordSys.getBaseAxis();\n        var valueAxis = coordSys.getOtherAxis(baseAxis);\n        var extent = baseAxis.getExtent();\n        var dpr = api.getDevicePixelRatio(); // Coordinste system has been resized\n\n        var size = Math.abs(extent[1] - extent[0]) * (dpr || 1);\n        var rate = Math.round(count / size);\n\n        if (rate > 1) {\n          if (sampling === 'lttb') {\n            seriesModel.setData(data.lttbDownSample(data.mapDimension(valueAxis.dim), 1 / rate));\n          }\n\n          var sampler = void 0;\n\n          if (typeof sampling === 'string') {\n            sampler = samplers[sampling];\n          } else if (typeof sampling === 'function') {\n            sampler = sampling;\n          }\n\n          if (sampler) {\n            // Only support sample the first dim mapped from value axis.\n            seriesModel.setData(data.downSample(data.mapDimension(valueAxis.dim), 1 / rate, sampler, indexSampler));\n          }\n        }\n      }\n    }\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport SeriesModel from '../../model/Series';\nimport createListFromArray from '../helper/createListFromArray';\n\nvar BaseBarSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(BaseBarSeriesModel, _super);\n\n  function BaseBarSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = BaseBarSeriesModel.type;\n    return _this;\n  }\n\n  BaseBarSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    return createListFromArray(this.getSource(), this, {\n      useEncodeDefaulter: true\n    });\n  };\n\n  BaseBarSeriesModel.prototype.getMarkerPosition = function (value) {\n    var coordSys = this.coordinateSystem;\n\n    if (coordSys) {\n      // PENDING if clamp ?\n      var pt = coordSys.dataToPoint(coordSys.clampData(value));\n      var data = this.getData();\n      var offset = data.getLayout('offset');\n      var size = data.getLayout('size');\n      var offsetIndex = coordSys.getBaseAxis().isHorizontal() ? 0 : 1;\n      pt[offsetIndex] += offset + size / 2;\n      return pt;\n    }\n\n    return [NaN, NaN];\n  };\n\n  BaseBarSeriesModel.type = 'series.__base_bar__';\n  BaseBarSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    coordinateSystem: 'cartesian2d',\n    legendHoverLink: true,\n    // stack: null\n    // Cartesian coordinate system\n    // xAxisIndex: 0,\n    // yAxisIndex: 0,\n    barMinHeight: 0,\n    barMinAngle: 0,\n    // cursor: null,\n    large: false,\n    largeThreshold: 400,\n    progressive: 3e3,\n    progressiveChunkMode: 'mod'\n  };\n  return BaseBarSeriesModel;\n}(SeriesModel);\n\nSeriesModel.registerClass(BaseBarSeriesModel);\nexport default BaseBarSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport BaseBarSeriesModel from './BaseBarSeries';\nimport createListFromArray from '../helper/createListFromArray';\nimport { inheritDefaultOption } from '../../util/component';\n\nvar BarSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(BarSeriesModel, _super);\n\n  function BarSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = BarSeriesModel.type;\n    return _this;\n  }\n\n  BarSeriesModel.prototype.getInitialData = function () {\n    return createListFromArray(this.getSource(), this, {\n      useEncodeDefaulter: true,\n      createInvertedIndices: !!this.get('realtimeSort', true) || null\n    });\n  };\n  /**\n   * @override\n   */\n\n\n  BarSeriesModel.prototype.getProgressive = function () {\n    // Do not support progressive in normal mode.\n    return this.get('large') ? this.get('progressive') : false;\n  };\n  /**\n   * @override\n   */\n\n\n  BarSeriesModel.prototype.getProgressiveThreshold = function () {\n    // Do not support progressive in normal mode.\n    var progressiveThreshold = this.get('progressiveThreshold');\n    var largeThreshold = this.get('largeThreshold');\n\n    if (largeThreshold > progressiveThreshold) {\n      progressiveThreshold = largeThreshold;\n    }\n\n    return progressiveThreshold;\n  };\n\n  BarSeriesModel.prototype.brushSelector = function (dataIndex, data, selectors) {\n    return selectors.rect(data.getItemLayout(dataIndex));\n  };\n\n  BarSeriesModel.type = 'series.bar';\n  BarSeriesModel.dependencies = ['grid', 'polar'];\n  BarSeriesModel.defaultOption = inheritDefaultOption(BaseBarSeriesModel.defaultOption, {\n    // If clipped\n    // Only available on cartesian2d\n    clip: true,\n    roundCap: false,\n    showBackground: false,\n    backgroundStyle: {\n      color: 'rgba(180, 180, 180, 0.2)',\n      borderColor: null,\n      borderWidth: 0,\n      borderType: 'solid',\n      borderRadius: 0,\n      shadowBlur: 0,\n      shadowColor: null,\n      shadowOffsetX: 0,\n      shadowOffsetY: 0,\n      opacity: 1\n    },\n    select: {\n      itemStyle: {\n        borderColor: '#212121'\n      }\n    },\n    realtimeSort: false\n  });\n  return BarSeriesModel;\n}(BaseBarSeriesModel);\n\nexport default BarSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport { Path } from '../graphic';\n/**\n * Sausage: similar to sector, but have half circle on both sides\n */\n\nvar SausageShape =\n/** @class */\nfunction () {\n  function SausageShape() {\n    this.cx = 0;\n    this.cy = 0;\n    this.r0 = 0;\n    this.r = 0;\n    this.startAngle = 0;\n    this.endAngle = Math.PI * 2;\n    this.clockwise = true;\n  }\n\n  return SausageShape;\n}();\n\nvar SausagePath =\n/** @class */\nfunction (_super) {\n  __extends(SausagePath, _super);\n\n  function SausagePath(opts) {\n    var _this = _super.call(this, opts) || this;\n\n    _this.type = 'sausage';\n    return _this;\n  }\n\n  SausagePath.prototype.getDefaultShape = function () {\n    return new SausageShape();\n  };\n\n  SausagePath.prototype.buildPath = function (ctx, shape) {\n    var x = shape.cx;\n    var y = shape.cy;\n    var r0 = Math.max(shape.r0 || 0, 0);\n    var r = Math.max(shape.r, 0);\n    var dr = (r - r0) * 0.5;\n    var rCenter = r0 + dr;\n    var startAngle = shape.startAngle;\n    var endAngle = shape.endAngle;\n    var clockwise = shape.clockwise;\n    var unitStartX = Math.cos(startAngle);\n    var unitStartY = Math.sin(startAngle);\n    var unitEndX = Math.cos(endAngle);\n    var unitEndY = Math.sin(endAngle);\n    var lessThanCircle = clockwise ? endAngle - startAngle < Math.PI * 2 : startAngle - endAngle < Math.PI * 2;\n\n    if (lessThanCircle) {\n      ctx.moveTo(unitStartX * r0 + x, unitStartY * r0 + y);\n      ctx.arc(unitStartX * rCenter + x, unitStartY * rCenter + y, dr, -Math.PI + startAngle, startAngle, !clockwise);\n    }\n\n    ctx.arc(x, y, r, startAngle, endAngle, !clockwise);\n    ctx.moveTo(unitEndX * r + x, unitEndY * r + y);\n    ctx.arc(unitEndX * rCenter + x, unitEndY * rCenter + y, dr, endAngle - Math.PI * 2, endAngle - Math.PI, !clockwise);\n\n    if (r0 !== 0) {\n      ctx.arc(x, y, r0, endAngle, startAngle, clockwise);\n      ctx.moveTo(unitStartX * r0 + x, unitEndY * r0 + y);\n    }\n\n    ctx.closePath();\n  };\n\n  return SausagePath;\n}(Path);\n\nexport default SausagePath;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport Path from 'zrender/lib/graphic/Path';\nimport Group from 'zrender/lib/graphic/Group';\nimport { extend, defaults, each, map } from 'zrender/lib/core/util';\nimport { Rect, Sector, updateProps, initProps, removeElementWithFadeOut } from '../../util/graphic';\nimport { getECData } from '../../util/innerStore';\nimport { enableHoverEmphasis, setStatesStylesFromModel } from '../../util/states';\nimport { setLabelStyle, getLabelStatesModels, setLabelValueAnimation } from '../../label/labelStyle';\nimport { throttle } from '../../util/throttle';\nimport { createClipPath } from '../helper/createClipPathFromCoordSys';\nimport Sausage from '../../util/shape/sausage';\nimport ChartView from '../../view/Chart';\nimport { isCoordinateSystemType } from '../../coord/CoordinateSystem';\nimport { getDefaultLabel, getDefaultInterpolatedLabel } from '../helper/labelHelper';\nimport { warn } from '../../util/log';\nvar _eventPos = [0, 0];\nvar mathMax = Math.max;\nvar mathMin = Math.min;\n\nfunction getClipArea(coord, data) {\n  var coordSysClipArea = coord.getArea && coord.getArea();\n\n  if (isCoordinateSystemType(coord, 'cartesian2d')) {\n    var baseAxis = coord.getBaseAxis(); // When boundaryGap is false or using time axis. bar may exceed the grid.\n    // We should not clip this part.\n    // See test/bar2.html\n\n    if (baseAxis.type !== 'category' || !baseAxis.onBand) {\n      var expandWidth = data.getLayout('bandWidth');\n\n      if (baseAxis.isHorizontal()) {\n        coordSysClipArea.x -= expandWidth;\n        coordSysClipArea.width += expandWidth * 2;\n      } else {\n        coordSysClipArea.y -= expandWidth;\n        coordSysClipArea.height += expandWidth * 2;\n      }\n    }\n  }\n\n  return coordSysClipArea;\n}\n\nvar BarView =\n/** @class */\nfunction (_super) {\n  __extends(BarView, _super);\n\n  function BarView() {\n    var _this = _super.call(this) || this;\n\n    _this.type = BarView.type;\n    _this._isFirstFrame = true;\n    return _this;\n  }\n\n  BarView.prototype.render = function (seriesModel, ecModel, api, payload) {\n    this._model = seriesModel;\n\n    this._removeOnRenderedListener(api);\n\n    this._updateDrawMode(seriesModel);\n\n    var coordinateSystemType = seriesModel.get('coordinateSystem');\n\n    if (coordinateSystemType === 'cartesian2d' || coordinateSystemType === 'polar') {\n      this._isLargeDraw ? this._renderLarge(seriesModel, ecModel, api) : this._renderNormal(seriesModel, ecModel, api, payload);\n    } else if (process.env.NODE_ENV !== 'production') {\n      warn('Only cartesian2d and polar supported for bar.');\n    }\n  };\n\n  BarView.prototype.incrementalPrepareRender = function (seriesModel) {\n    this._clear();\n\n    this._updateDrawMode(seriesModel); // incremental also need to clip, otherwise might be overlow.\n    // But must not set clip in each frame, otherwise all of the children will be marked redraw.\n\n\n    this._updateLargeClip(seriesModel);\n  };\n\n  BarView.prototype.incrementalRender = function (params, seriesModel) {\n    // Do not support progressive in normal mode.\n    this._incrementalRenderLarge(params, seriesModel);\n  };\n\n  BarView.prototype._updateDrawMode = function (seriesModel) {\n    var isLargeDraw = seriesModel.pipelineContext.large;\n\n    if (this._isLargeDraw == null || isLargeDraw !== this._isLargeDraw) {\n      this._isLargeDraw = isLargeDraw;\n\n      this._clear();\n    }\n  };\n\n  BarView.prototype._renderNormal = function (seriesModel, ecModel, api, payload) {\n    var group = this.group;\n    var data = seriesModel.getData();\n    var oldData = this._data;\n    var coord = seriesModel.coordinateSystem;\n    var baseAxis = coord.getBaseAxis();\n    var isHorizontalOrRadial;\n\n    if (coord.type === 'cartesian2d') {\n      isHorizontalOrRadial = baseAxis.isHorizontal();\n    } else if (coord.type === 'polar') {\n      isHorizontalOrRadial = baseAxis.dim === 'angle';\n    }\n\n    var animationModel = seriesModel.isAnimationEnabled() ? seriesModel : null;\n    var realtimeSortCfg = shouldRealtimeSort(seriesModel, coord);\n\n    if (realtimeSortCfg) {\n      this._enableRealtimeSort(realtimeSortCfg, data, api);\n    }\n\n    var needsClip = seriesModel.get('clip', true) || realtimeSortCfg;\n    var coordSysClipArea = getClipArea(coord, data); // If there is clipPath created in large mode. Remove it.\n\n    group.removeClipPath(); // We don't use clipPath in normal mode because we needs a perfect animation\n    // And don't want the label are clipped.\n\n    var roundCap = seriesModel.get('roundCap', true);\n    var drawBackground = seriesModel.get('showBackground', true);\n    var backgroundModel = seriesModel.getModel('backgroundStyle');\n    var barBorderRadius = backgroundModel.get('borderRadius') || 0;\n    var bgEls = [];\n    var oldBgEls = this._backgroundEls;\n    var isInitSort = payload && payload.isInitSort;\n    var isChangeOrder = payload && payload.type === 'changeAxisOrder';\n\n    function createBackground(dataIndex) {\n      var bgLayout = getLayout[coord.type](data, dataIndex);\n      var bgEl = createBackgroundEl(coord, isHorizontalOrRadial, bgLayout);\n      bgEl.useStyle(backgroundModel.getItemStyle()); // Only cartesian2d support borderRadius.\n\n      if (coord.type === 'cartesian2d') {\n        bgEl.setShape('r', barBorderRadius);\n      }\n\n      bgEls[dataIndex] = bgEl;\n      return bgEl;\n    }\n\n    ;\n    data.diff(oldData).add(function (dataIndex) {\n      var itemModel = data.getItemModel(dataIndex);\n      var layout = getLayout[coord.type](data, dataIndex, itemModel);\n\n      if (drawBackground) {\n        createBackground(dataIndex);\n      } // If dataZoom in filteMode: 'empty', the baseValue can be set as NaN in \"axisProxy\".\n\n\n      if (!data.hasValue(dataIndex)) {\n        return;\n      }\n\n      var isClipped = false;\n\n      if (needsClip) {\n        // Clip will modify the layout params.\n        // And return a boolean to determine if the shape are fully clipped.\n        isClipped = clip[coord.type](coordSysClipArea, layout);\n      }\n\n      var el = elementCreator[coord.type](seriesModel, data, dataIndex, layout, isHorizontalOrRadial, animationModel, baseAxis.model, false, roundCap);\n      updateStyle(el, data, dataIndex, itemModel, layout, seriesModel, isHorizontalOrRadial, coord.type === 'polar');\n\n      if (isInitSort) {\n        el.attr({\n          shape: layout\n        });\n      } else if (realtimeSortCfg) {\n        updateRealtimeAnimation(realtimeSortCfg, animationModel, el, layout, dataIndex, isHorizontalOrRadial, false, false);\n      } else {\n        initProps(el, {\n          shape: layout\n        }, seriesModel, dataIndex);\n      }\n\n      data.setItemGraphicEl(dataIndex, el);\n      group.add(el);\n      el.ignore = isClipped;\n    }).update(function (newIndex, oldIndex) {\n      var itemModel = data.getItemModel(newIndex);\n      var layout = getLayout[coord.type](data, newIndex, itemModel);\n\n      if (drawBackground) {\n        var bgEl = void 0;\n\n        if (oldBgEls.length === 0) {\n          bgEl = createBackground(oldIndex);\n        } else {\n          bgEl = oldBgEls[oldIndex];\n          bgEl.useStyle(backgroundModel.getItemStyle()); // Only cartesian2d support borderRadius.\n\n          if (coord.type === 'cartesian2d') {\n            bgEl.setShape('r', barBorderRadius);\n          }\n\n          bgEls[newIndex] = bgEl;\n        }\n\n        var bgLayout = getLayout[coord.type](data, newIndex);\n        var shape = createBackgroundShape(isHorizontalOrRadial, bgLayout, coord);\n        updateProps(bgEl, {\n          shape: shape\n        }, animationModel, newIndex);\n      }\n\n      var el = oldData.getItemGraphicEl(oldIndex);\n\n      if (!data.hasValue(newIndex)) {\n        group.remove(el);\n        el = null;\n        return;\n      }\n\n      var isClipped = false;\n\n      if (needsClip) {\n        isClipped = clip[coord.type](coordSysClipArea, layout);\n\n        if (isClipped) {\n          group.remove(el);\n        }\n      }\n\n      if (!el) {\n        el = elementCreator[coord.type](seriesModel, data, newIndex, layout, isHorizontalOrRadial, animationModel, baseAxis.model, !!el, roundCap);\n      } // Not change anything if only order changed.\n      // Especially not change label.\n\n\n      if (!isChangeOrder) {\n        updateStyle(el, data, newIndex, itemModel, layout, seriesModel, isHorizontalOrRadial, coord.type === 'polar');\n      }\n\n      if (isInitSort) {\n        el.attr({\n          shape: layout\n        });\n      } else if (realtimeSortCfg) {\n        updateRealtimeAnimation(realtimeSortCfg, animationModel, el, layout, newIndex, isHorizontalOrRadial, true, isChangeOrder);\n      } else {\n        updateProps(el, {\n          shape: layout\n        }, seriesModel, newIndex, null);\n      }\n\n      data.setItemGraphicEl(newIndex, el);\n      el.ignore = isClipped;\n      group.add(el);\n    }).remove(function (dataIndex) {\n      var el = oldData.getItemGraphicEl(dataIndex);\n      el && removeElementWithFadeOut(el, seriesModel, dataIndex);\n    }).execute();\n    var bgGroup = this._backgroundGroup || (this._backgroundGroup = new Group());\n    bgGroup.removeAll();\n\n    for (var i = 0; i < bgEls.length; ++i) {\n      bgGroup.add(bgEls[i]);\n    }\n\n    group.add(bgGroup);\n    this._backgroundEls = bgEls;\n    this._data = data;\n  };\n\n  BarView.prototype._renderLarge = function (seriesModel, ecModel, api) {\n    this._clear();\n\n    createLarge(seriesModel, this.group);\n\n    this._updateLargeClip(seriesModel);\n  };\n\n  BarView.prototype._incrementalRenderLarge = function (params, seriesModel) {\n    this._removeBackground();\n\n    createLarge(seriesModel, this.group, true);\n  };\n\n  BarView.prototype._updateLargeClip = function (seriesModel) {\n    // Use clipPath in large mode.\n    var clipPath = seriesModel.get('clip', true) ? createClipPath(seriesModel.coordinateSystem, false, seriesModel) : null;\n\n    if (clipPath) {\n      this.group.setClipPath(clipPath);\n    } else {\n      this.group.removeClipPath();\n    }\n  };\n\n  BarView.prototype._enableRealtimeSort = function (realtimeSortCfg, data, api) {\n    var _this = this; // If no data in the first frame, wait for data to initSort\n\n\n    if (!data.count()) {\n      return;\n    }\n\n    var baseAxis = realtimeSortCfg.baseAxis;\n\n    if (this._isFirstFrame) {\n      this._dispatchInitSort(data, realtimeSortCfg, api);\n\n      this._isFirstFrame = false;\n    } else {\n      var orderMapping_1 = function (idx) {\n        var el = data.getItemGraphicEl(idx);\n\n        if (el) {\n          var shape = el.shape; // If data is NaN, shape.xxx may be NaN, so use || 0 here in case\n\n          return (baseAxis.isHorizontal() // The result should be consistent with the initial sort by data value.\n          // Do not support the case that both positive and negative exist.\n          ? Math.abs(shape.height) : Math.abs(shape.width)) || 0;\n        } else {\n          return 0;\n        }\n      };\n\n      this._onRendered = function () {\n        _this._updateSortWithinSameData(data, orderMapping_1, baseAxis, api);\n      };\n\n      api.getZr().on('rendered', this._onRendered);\n    }\n  };\n\n  BarView.prototype._dataSort = function (data, baseAxis, orderMapping) {\n    var info = [];\n    data.each(data.mapDimension(baseAxis.dim), function (ordinalNumber, dataIdx) {\n      var mappedValue = orderMapping(dataIdx);\n      mappedValue = mappedValue == null ? NaN : mappedValue;\n      info.push({\n        dataIndex: dataIdx,\n        mappedValue: mappedValue,\n        ordinalNumber: ordinalNumber\n      });\n    });\n    info.sort(function (a, b) {\n      // If NaN, it will be treated as min val.\n      return b.mappedValue - a.mappedValue;\n    });\n    return {\n      ordinalNumbers: map(info, function (item) {\n        return item.ordinalNumber;\n      })\n    };\n  };\n\n  BarView.prototype._isOrderChangedWithinSameData = function (data, orderMapping, baseAxis) {\n    var scale = baseAxis.scale;\n    var ordinalDataDim = data.mapDimension(baseAxis.dim);\n    var lastValue = Number.MAX_VALUE;\n\n    for (var tickNum = 0, len = scale.getOrdinalMeta().categories.length; tickNum < len; ++tickNum) {\n      var rawIdx = data.rawIndexOf(ordinalDataDim, scale.getRawOrdinalNumber(tickNum));\n      var value = rawIdx < 0 // If some tick have no bar, the tick will be treated as min.\n      ? Number.MIN_VALUE // PENDING: if dataZoom on baseAxis exits, is it a performance issue?\n      : orderMapping(data.indexOfRawIndex(rawIdx));\n\n      if (value > lastValue) {\n        return true;\n      }\n\n      lastValue = value;\n    }\n\n    return false;\n  };\n  /*\n   * Consider the case when A and B changed order, whose representing\n   * bars are both out of sight, we don't wish to trigger reorder action\n   * as long as the order in the view doesn't change.\n   */\n\n\n  BarView.prototype._isOrderDifferentInView = function (orderInfo, baseAxis) {\n    var scale = baseAxis.scale;\n    var extent = scale.getExtent();\n    var tickNum = Math.max(0, extent[0]);\n    var tickMax = Math.min(extent[1], scale.getOrdinalMeta().categories.length - 1);\n\n    for (; tickNum <= tickMax; ++tickNum) {\n      if (orderInfo.ordinalNumbers[tickNum] !== scale.getRawOrdinalNumber(tickNum)) {\n        return true;\n      }\n    }\n  };\n\n  BarView.prototype._updateSortWithinSameData = function (data, orderMapping, baseAxis, api) {\n    if (!this._isOrderChangedWithinSameData(data, orderMapping, baseAxis)) {\n      return;\n    }\n\n    var sortInfo = this._dataSort(data, baseAxis, orderMapping);\n\n    if (this._isOrderDifferentInView(sortInfo, baseAxis)) {\n      this._removeOnRenderedListener(api);\n\n      api.dispatchAction({\n        type: 'changeAxisOrder',\n        componentType: baseAxis.dim + 'Axis',\n        axisId: baseAxis.index,\n        sortInfo: sortInfo\n      });\n    }\n  };\n\n  BarView.prototype._dispatchInitSort = function (data, realtimeSortCfg, api) {\n    var baseAxis = realtimeSortCfg.baseAxis;\n\n    var sortResult = this._dataSort(data, baseAxis, function (dataIdx) {\n      return data.get(data.mapDimension(realtimeSortCfg.otherAxis.dim), dataIdx);\n    });\n\n    api.dispatchAction({\n      type: 'changeAxisOrder',\n      componentType: baseAxis.dim + 'Axis',\n      isInitSort: true,\n      axisId: baseAxis.index,\n      sortInfo: sortResult,\n      animation: {\n        // Update the axis label from the natural initial layout to\n        // sorted layout should has no animation.\n        duration: 0\n      }\n    });\n  };\n\n  BarView.prototype.remove = function (ecModel, api) {\n    this._clear(this._model);\n\n    this._removeOnRenderedListener(api);\n  };\n\n  BarView.prototype.dispose = function (ecModel, api) {\n    this._removeOnRenderedListener(api);\n  };\n\n  BarView.prototype._removeOnRenderedListener = function (api) {\n    if (this._onRendered) {\n      api.getZr().off('rendered', this._onRendered);\n      this._onRendered = null;\n    }\n  };\n\n  BarView.prototype._clear = function (model) {\n    var group = this.group;\n    var data = this._data;\n\n    if (model && model.isAnimationEnabled() && data && !this._isLargeDraw) {\n      this._removeBackground();\n\n      this._backgroundEls = [];\n      data.eachItemGraphicEl(function (el) {\n        removeElementWithFadeOut(el, model, getECData(el).dataIndex);\n      });\n    } else {\n      group.removeAll();\n    }\n\n    this._data = null;\n    this._isFirstFrame = true;\n  };\n\n  BarView.prototype._removeBackground = function () {\n    this.group.remove(this._backgroundGroup);\n    this._backgroundGroup = null;\n  };\n\n  BarView.type = 'bar';\n  return BarView;\n}(ChartView);\n\nvar clip = {\n  cartesian2d: function (coordSysBoundingRect, layout) {\n    var signWidth = layout.width < 0 ? -1 : 1;\n    var signHeight = layout.height < 0 ? -1 : 1; // Needs positive width and height\n\n    if (signWidth < 0) {\n      layout.x += layout.width;\n      layout.width = -layout.width;\n    }\n\n    if (signHeight < 0) {\n      layout.y += layout.height;\n      layout.height = -layout.height;\n    }\n\n    var coordSysX2 = coordSysBoundingRect.x + coordSysBoundingRect.width;\n    var coordSysY2 = coordSysBoundingRect.y + coordSysBoundingRect.height;\n    var x = mathMax(layout.x, coordSysBoundingRect.x);\n    var x2 = mathMin(layout.x + layout.width, coordSysX2);\n    var y = mathMax(layout.y, coordSysBoundingRect.y);\n    var y2 = mathMin(layout.y + layout.height, coordSysY2);\n    var xClipped = x2 < x;\n    var yClipped = y2 < y; // When xClipped or yClipped, the element will be marked as `ignore`.\n    // But we should also place the element at the edge of the coord sys bounding rect.\n    // Beause if data changed and the bar show again, its transition animaiton\n    // will begin at this place.\n\n    layout.x = xClipped && x > coordSysX2 ? x2 : x;\n    layout.y = yClipped && y > coordSysY2 ? y2 : y;\n    layout.width = xClipped ? 0 : x2 - x;\n    layout.height = yClipped ? 0 : y2 - y; // Reverse back\n\n    if (signWidth < 0) {\n      layout.x += layout.width;\n      layout.width = -layout.width;\n    }\n\n    if (signHeight < 0) {\n      layout.y += layout.height;\n      layout.height = -layout.height;\n    }\n\n    return xClipped || yClipped;\n  },\n  polar: function (coordSysClipArea, layout) {\n    var signR = layout.r0 <= layout.r ? 1 : -1; // Make sure r is larger than r0\n\n    if (signR < 0) {\n      var tmp = layout.r;\n      layout.r = layout.r0;\n      layout.r0 = tmp;\n    }\n\n    var r = mathMin(layout.r, coordSysClipArea.r);\n    var r0 = mathMax(layout.r0, coordSysClipArea.r0);\n    layout.r = r;\n    layout.r0 = r0;\n    var clipped = r - r0 < 0; // Reverse back\n\n    if (signR < 0) {\n      var tmp = layout.r;\n      layout.r = layout.r0;\n      layout.r0 = tmp;\n    }\n\n    return clipped;\n  }\n};\nvar elementCreator = {\n  cartesian2d: function (seriesModel, data, newIndex, layout, isHorizontal, animationModel, axisModel, isUpdate, roundCap) {\n    var rect = new Rect({\n      shape: extend({}, layout),\n      z2: 1\n    });\n    rect.__dataIndex = newIndex;\n    rect.name = 'item';\n\n    if (animationModel) {\n      var rectShape = rect.shape;\n      var animateProperty = isHorizontal ? 'height' : 'width';\n      rectShape[animateProperty] = 0;\n    }\n\n    return rect;\n  },\n  polar: function (seriesModel, data, newIndex, layout, isRadial, animationModel, axisModel, isUpdate, roundCap) {\n    // Keep the same logic with bar in catesion: use end value to control\n    // direction. Notice that if clockwise is true (by default), the sector\n    // will always draw clockwisely, no matter whether endAngle is greater\n    // or less than startAngle.\n    var clockwise = layout.startAngle < layout.endAngle;\n    var ShapeClass = !isRadial && roundCap ? Sausage : Sector;\n    var sector = new ShapeClass({\n      shape: defaults({\n        clockwise: clockwise\n      }, layout),\n      z2: 1\n    });\n    sector.name = 'item'; // Animation\n\n    if (animationModel) {\n      var sectorShape = sector.shape;\n      var animateProperty = isRadial ? 'r' : 'endAngle';\n      var animateTarget = {};\n      sectorShape[animateProperty] = isRadial ? 0 : layout.startAngle;\n      animateTarget[animateProperty] = layout[animateProperty];\n      (isUpdate ? updateProps : initProps)(sector, {\n        shape: animateTarget // __value: typeof dataValue === 'string' ? parseInt(dataValue, 10) : dataValue\n\n      }, animationModel);\n    }\n\n    return sector;\n  }\n};\n\nfunction shouldRealtimeSort(seriesModel, coordSys) {\n  var realtimeSortOption = seriesModel.get('realtimeSort', true);\n  var baseAxis = coordSys.getBaseAxis();\n\n  if (process.env.NODE_ENV !== 'production') {\n    if (realtimeSortOption) {\n      if (baseAxis.type !== 'category') {\n        warn('`realtimeSort` will not work because this bar series is not based on a category axis.');\n      }\n\n      if (coordSys.type !== 'cartesian2d') {\n        warn('`realtimeSort` will not work because this bar series is not on cartesian2d.');\n      }\n    }\n  }\n\n  if (realtimeSortOption && baseAxis.type === 'category' && coordSys.type === 'cartesian2d') {\n    return {\n      baseAxis: baseAxis,\n      otherAxis: coordSys.getOtherAxis(baseAxis)\n    };\n  }\n}\n\nfunction updateRealtimeAnimation(realtimeSortCfg, seriesAnimationModel, el, layout, newIndex, isHorizontal, isUpdate, isChangeOrder) {\n  var seriesTarget;\n  var axisTarget;\n\n  if (isHorizontal) {\n    axisTarget = {\n      x: layout.x,\n      width: layout.width\n    };\n    seriesTarget = {\n      y: layout.y,\n      height: layout.height\n    };\n  } else {\n    axisTarget = {\n      y: layout.y,\n      height: layout.height\n    };\n    seriesTarget = {\n      x: layout.x,\n      width: layout.width\n    };\n  }\n\n  if (!isChangeOrder) {\n    // Keep the original growth animation if only axis order changed.\n    // Not start a new animation.\n    (isUpdate ? updateProps : initProps)(el, {\n      shape: seriesTarget\n    }, seriesAnimationModel, newIndex, null);\n  }\n\n  var axisAnimationModel = seriesAnimationModel ? realtimeSortCfg.baseAxis.model : null;\n  (isUpdate ? updateProps : initProps)(el, {\n    shape: axisTarget\n  }, axisAnimationModel, newIndex);\n}\n\nvar getLayout = {\n  // itemModel is only used to get borderWidth, which is not needed\n  // when calculating bar background layout.\n  cartesian2d: function (data, dataIndex, itemModel) {\n    var layout = data.getItemLayout(dataIndex);\n    var fixedLineWidth = itemModel ? getLineWidth(itemModel, layout) : 0; // fix layout with lineWidth\n\n    var signX = layout.width > 0 ? 1 : -1;\n    var signY = layout.height > 0 ? 1 : -1;\n    return {\n      x: layout.x + signX * fixedLineWidth / 2,\n      y: layout.y + signY * fixedLineWidth / 2,\n      width: layout.width - signX * fixedLineWidth,\n      height: layout.height - signY * fixedLineWidth\n    };\n  },\n  polar: function (data, dataIndex, itemModel) {\n    var layout = data.getItemLayout(dataIndex);\n    return {\n      cx: layout.cx,\n      cy: layout.cy,\n      r0: layout.r0,\n      r: layout.r,\n      startAngle: layout.startAngle,\n      endAngle: layout.endAngle\n    };\n  }\n};\n\nfunction isZeroOnPolar(layout) {\n  return layout.startAngle != null && layout.endAngle != null && layout.startAngle === layout.endAngle;\n}\n\nfunction updateStyle(el, data, dataIndex, itemModel, layout, seriesModel, isHorizontal, isPolar) {\n  var style = data.getItemVisual(dataIndex, 'style');\n\n  if (!isPolar) {\n    el.setShape('r', itemModel.get(['itemStyle', 'borderRadius']) || 0);\n  }\n\n  el.useStyle(style);\n  var cursorStyle = itemModel.getShallow('cursor');\n  cursorStyle && el.attr('cursor', cursorStyle);\n\n  if (!isPolar) {\n    var labelPositionOutside = isHorizontal ? layout.height > 0 ? 'bottom' : 'top' : layout.width > 0 ? 'left' : 'right';\n    var labelStatesModels = getLabelStatesModels(itemModel);\n    setLabelStyle(el, labelStatesModels, {\n      labelFetcher: seriesModel,\n      labelDataIndex: dataIndex,\n      defaultText: getDefaultLabel(seriesModel.getData(), dataIndex),\n      inheritColor: style.fill,\n      defaultOpacity: style.opacity,\n      defaultOutsidePosition: labelPositionOutside\n    });\n    var label = el.getTextContent();\n    setLabelValueAnimation(label, labelStatesModels, seriesModel.getRawValue(dataIndex), function (value) {\n      return getDefaultInterpolatedLabel(data, value);\n    });\n  }\n\n  var emphasisModel = itemModel.getModel(['emphasis']);\n  enableHoverEmphasis(el, emphasisModel.get('focus'), emphasisModel.get('blurScope'));\n  setStatesStylesFromModel(el, itemModel);\n\n  if (isZeroOnPolar(layout)) {\n    el.style.fill = 'none';\n    el.style.stroke = 'none';\n    each(el.states, function (state) {\n      if (state.style) {\n        state.style.fill = state.style.stroke = 'none';\n      }\n    });\n  }\n} // In case width or height are too small.\n\n\nfunction getLineWidth(itemModel, rawLayout) {\n  // Has no border.\n  var borderColor = itemModel.get(['itemStyle', 'borderColor']);\n\n  if (!borderColor || borderColor === 'none') {\n    return 0;\n  }\n\n  var lineWidth = itemModel.get(['itemStyle', 'borderWidth']) || 0; // width or height may be NaN for empty data\n\n  var width = isNaN(rawLayout.width) ? Number.MAX_VALUE : Math.abs(rawLayout.width);\n  var height = isNaN(rawLayout.height) ? Number.MAX_VALUE : Math.abs(rawLayout.height);\n  return Math.min(lineWidth, width, height);\n}\n\nvar LagePathShape =\n/** @class */\nfunction () {\n  function LagePathShape() {}\n\n  return LagePathShape;\n}();\n\nvar LargePath =\n/** @class */\nfunction (_super) {\n  __extends(LargePath, _super);\n\n  function LargePath(opts) {\n    var _this = _super.call(this, opts) || this;\n\n    _this.type = 'largeBar';\n    return _this;\n  }\n\n  ;\n\n  LargePath.prototype.getDefaultShape = function () {\n    return new LagePathShape();\n  };\n\n  LargePath.prototype.buildPath = function (ctx, shape) {\n    // Drawing lines is more efficient than drawing\n    // a whole line or drawing rects.\n    var points = shape.points;\n    var startPoint = this.__startPoint;\n    var baseDimIdx = this.__baseDimIdx;\n\n    for (var i = 0; i < points.length; i += 2) {\n      startPoint[baseDimIdx] = points[i + baseDimIdx];\n      ctx.moveTo(startPoint[0], startPoint[1]);\n      ctx.lineTo(points[i], points[i + 1]);\n    }\n  };\n\n  return LargePath;\n}(Path);\n\nfunction createLarge(seriesModel, group, incremental) {\n  // TODO support polar\n  var data = seriesModel.getData();\n  var startPoint = [];\n  var baseDimIdx = data.getLayout('valueAxisHorizontal') ? 1 : 0;\n  startPoint[1 - baseDimIdx] = data.getLayout('valueAxisStart');\n  var largeDataIndices = data.getLayout('largeDataIndices');\n  var barWidth = data.getLayout('barWidth');\n  var backgroundModel = seriesModel.getModel('backgroundStyle');\n  var drawBackground = seriesModel.get('showBackground', true);\n\n  if (drawBackground) {\n    var points = data.getLayout('largeBackgroundPoints');\n    var backgroundStartPoint = [];\n    backgroundStartPoint[1 - baseDimIdx] = data.getLayout('backgroundStart');\n    var bgEl = new LargePath({\n      shape: {\n        points: points\n      },\n      incremental: !!incremental,\n      silent: true,\n      z2: 0\n    });\n    bgEl.__startPoint = backgroundStartPoint;\n    bgEl.__baseDimIdx = baseDimIdx;\n    bgEl.__largeDataIndices = largeDataIndices;\n    bgEl.__barWidth = barWidth;\n    setLargeBackgroundStyle(bgEl, backgroundModel, data);\n    group.add(bgEl);\n  }\n\n  var el = new LargePath({\n    shape: {\n      points: data.getLayout('largePoints')\n    },\n    incremental: !!incremental\n  });\n  el.__startPoint = startPoint;\n  el.__baseDimIdx = baseDimIdx;\n  el.__largeDataIndices = largeDataIndices;\n  el.__barWidth = barWidth;\n  group.add(el);\n  setLargeStyle(el, seriesModel, data); // Enable tooltip and user mouse/touch event handlers.\n\n  getECData(el).seriesIndex = seriesModel.seriesIndex;\n\n  if (!seriesModel.get('silent')) {\n    el.on('mousedown', largePathUpdateDataIndex);\n    el.on('mousemove', largePathUpdateDataIndex);\n  }\n} // Use throttle to avoid frequently traverse to find dataIndex.\n\n\nvar largePathUpdateDataIndex = throttle(function (event) {\n  var largePath = this;\n  var dataIndex = largePathFindDataIndex(largePath, event.offsetX, event.offsetY);\n  getECData(largePath).dataIndex = dataIndex >= 0 ? dataIndex : null;\n}, 30, false);\n\nfunction largePathFindDataIndex(largePath, x, y) {\n  var baseDimIdx = largePath.__baseDimIdx;\n  var valueDimIdx = 1 - baseDimIdx;\n  var points = largePath.shape.points;\n  var largeDataIndices = largePath.__largeDataIndices;\n  var barWidthHalf = Math.abs(largePath.__barWidth / 2);\n  var startValueVal = largePath.__startPoint[valueDimIdx];\n  _eventPos[0] = x;\n  _eventPos[1] = y;\n  var pointerBaseVal = _eventPos[baseDimIdx];\n  var pointerValueVal = _eventPos[1 - baseDimIdx];\n  var baseLowerBound = pointerBaseVal - barWidthHalf;\n  var baseUpperBound = pointerBaseVal + barWidthHalf;\n\n  for (var i = 0, len = points.length / 2; i < len; i++) {\n    var ii = i * 2;\n    var barBaseVal = points[ii + baseDimIdx];\n    var barValueVal = points[ii + valueDimIdx];\n\n    if (barBaseVal >= baseLowerBound && barBaseVal <= baseUpperBound && (startValueVal <= barValueVal ? pointerValueVal >= startValueVal && pointerValueVal <= barValueVal : pointerValueVal >= barValueVal && pointerValueVal <= startValueVal)) {\n      return largeDataIndices[i];\n    }\n  }\n\n  return -1;\n}\n\nfunction setLargeStyle(el, seriesModel, data) {\n  var globalStyle = data.getVisual('style');\n  el.useStyle(extend({}, globalStyle)); // Use stroke instead of fill.\n\n  el.style.fill = null;\n  el.style.stroke = globalStyle.fill;\n  el.style.lineWidth = data.getLayout('barWidth');\n}\n\nfunction setLargeBackgroundStyle(el, backgroundModel, data) {\n  var borderColor = backgroundModel.get('borderColor') || backgroundModel.get('color');\n  var itemStyle = backgroundModel.getItemStyle();\n  el.useStyle(itemStyle);\n  el.style.fill = null;\n  el.style.stroke = borderColor;\n  el.style.lineWidth = data.getLayout('barWidth');\n}\n\nfunction createBackgroundShape(isHorizontalOrRadial, layout, coord) {\n  if (isCoordinateSystemType(coord, 'cartesian2d')) {\n    var rectShape = layout;\n    var coordLayout = coord.getArea();\n    return {\n      x: isHorizontalOrRadial ? rectShape.x : coordLayout.x,\n      y: isHorizontalOrRadial ? coordLayout.y : rectShape.y,\n      width: isHorizontalOrRadial ? rectShape.width : coordLayout.width,\n      height: isHorizontalOrRadial ? coordLayout.height : rectShape.height\n    };\n  } else {\n    var coordLayout = coord.getArea();\n    var sectorShape = layout;\n    return {\n      cx: coordLayout.cx,\n      cy: coordLayout.cy,\n      r0: isHorizontalOrRadial ? coordLayout.r0 : sectorShape.r0,\n      r: isHorizontalOrRadial ? coordLayout.r : sectorShape.r,\n      startAngle: isHorizontalOrRadial ? sectorShape.startAngle : 0,\n      endAngle: isHorizontalOrRadial ? sectorShape.endAngle : Math.PI * 2\n    };\n  }\n}\n\nfunction createBackgroundEl(coord, isHorizontalOrRadial, layout) {\n  var ElementClz = coord.type === 'polar' ? Sector : Rect;\n  return new ElementClz({\n    shape: createBackgroundShape(isHorizontalOrRadial, layout, coord),\n    silent: true,\n    z2: 0\n  });\n}\n\nexport default BarView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { parsePercent, linearMap } from '../../util/number';\nimport * as layout from '../../util/layout';\nimport * as zrUtil from 'zrender/lib/core/util';\nvar PI2 = Math.PI * 2;\nvar RADIAN = Math.PI / 180;\n\nfunction getViewRect(seriesModel, api) {\n  return layout.getLayoutRect(seriesModel.getBoxLayoutParams(), {\n    width: api.getWidth(),\n    height: api.getHeight()\n  });\n}\n\nexport default function pieLayout(seriesType, ecModel, api) {\n  ecModel.eachSeriesByType(seriesType, function (seriesModel) {\n    var data = seriesModel.getData();\n    var valueDim = data.mapDimension('value');\n    var viewRect = getViewRect(seriesModel, api);\n    var center = seriesModel.get('center');\n    var radius = seriesModel.get('radius');\n\n    if (!zrUtil.isArray(radius)) {\n      radius = [0, radius];\n    }\n\n    if (!zrUtil.isArray(center)) {\n      center = [center, center];\n    }\n\n    var width = parsePercent(viewRect.width, api.getWidth());\n    var height = parsePercent(viewRect.height, api.getHeight());\n    var size = Math.min(width, height);\n    var cx = parsePercent(center[0], width) + viewRect.x;\n    var cy = parsePercent(center[1], height) + viewRect.y;\n    var r0 = parsePercent(radius[0], size / 2);\n    var r = parsePercent(radius[1], size / 2);\n    var startAngle = -seriesModel.get('startAngle') * RADIAN;\n    var minAngle = seriesModel.get('minAngle') * RADIAN;\n    var validDataCount = 0;\n    data.each(valueDim, function (value) {\n      !isNaN(value) && validDataCount++;\n    });\n    var sum = data.getSum(valueDim); // Sum may be 0\n\n    var unitRadian = Math.PI / (sum || validDataCount) * 2;\n    var clockwise = seriesModel.get('clockwise');\n    var roseType = seriesModel.get('roseType');\n    var stillShowZeroSum = seriesModel.get('stillShowZeroSum'); // [0...max]\n\n    var extent = data.getDataExtent(valueDim);\n    extent[0] = 0; // In the case some sector angle is smaller than minAngle\n\n    var restAngle = PI2;\n    var valueSumLargerThanMinAngle = 0;\n    var currentAngle = startAngle;\n    var dir = clockwise ? 1 : -1;\n    data.setLayout({\n      viewRect: viewRect,\n      r: r\n    });\n    data.each(valueDim, function (value, idx) {\n      var angle;\n\n      if (isNaN(value)) {\n        data.setItemLayout(idx, {\n          angle: NaN,\n          startAngle: NaN,\n          endAngle: NaN,\n          clockwise: clockwise,\n          cx: cx,\n          cy: cy,\n          r0: r0,\n          r: roseType ? NaN : r\n        });\n        return;\n      } // FIXME 兼容 2.0 但是 roseType 是 area 的时候才是这样？\n\n\n      if (roseType !== 'area') {\n        angle = sum === 0 && stillShowZeroSum ? unitRadian : value * unitRadian;\n      } else {\n        angle = PI2 / validDataCount;\n      }\n\n      if (angle < minAngle) {\n        angle = minAngle;\n        restAngle -= minAngle;\n      } else {\n        valueSumLargerThanMinAngle += value;\n      }\n\n      var endAngle = currentAngle + dir * angle;\n      data.setItemLayout(idx, {\n        angle: angle,\n        startAngle: currentAngle,\n        endAngle: endAngle,\n        clockwise: clockwise,\n        cx: cx,\n        cy: cy,\n        r0: r0,\n        r: roseType ? linearMap(value, extent, [r0, r]) : r\n      });\n      currentAngle = endAngle;\n    }); // Some sector is constrained by minAngle\n    // Rest sectors needs recalculate angle\n\n    if (restAngle < PI2 && validDataCount) {\n      // Average the angle if rest angle is not enough after all angles is\n      // Constrained by minAngle\n      if (restAngle <= 1e-3) {\n        var angle_1 = PI2 / validDataCount;\n        data.each(valueDim, function (value, idx) {\n          if (!isNaN(value)) {\n            var layout_1 = data.getItemLayout(idx);\n            layout_1.angle = angle_1;\n            layout_1.startAngle = startAngle + dir * idx * angle_1;\n            layout_1.endAngle = startAngle + dir * (idx + 1) * angle_1;\n          }\n        });\n      } else {\n        unitRadian = restAngle / valueSumLargerThanMinAngle;\n        currentAngle = startAngle;\n        data.each(valueDim, function (value, idx) {\n          if (!isNaN(value)) {\n            var layout_2 = data.getItemLayout(idx);\n            var angle = layout_2.angle === minAngle ? minAngle : value * unitRadian;\n            layout_2.startAngle = currentAngle;\n            layout_2.endAngle = currentAngle + dir * angle;\n            currentAngle += dir * angle;\n          }\n        });\n      }\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport default function dataFilter(seriesType) {\n  return {\n    seriesType: seriesType,\n    reset: function (seriesModel, ecModel) {\n      var legendModels = ecModel.findComponents({\n        mainType: 'legend'\n      });\n\n      if (!legendModels || !legendModels.length) {\n        return;\n      }\n\n      var data = seriesModel.getData();\n      data.filterSelf(function (idx) {\n        var name = data.getName(idx); // If in any legend component the status is not selected.\n\n        for (var i = 0; i < legendModels.length; i++) {\n          // @ts-ignore FIXME: LegendModel\n          if (!legendModels[i].isSelected(name)) {\n            return false;\n          }\n        }\n\n        return true;\n      });\n    }\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// FIXME emphasis label position is not same with normal label position\nimport { parsePercent } from '../../util/number';\nimport { Point } from '../../util/graphic';\nimport { each } from 'zrender/lib/core/util';\nimport { limitTurnAngle, limitSurfaceAngle } from '../../label/labelGuideHelper';\nimport { shiftLayoutOnY } from '../../label/labelLayoutHelper';\nvar RADIAN = Math.PI / 180;\n\nfunction adjustSingleSide(list, cx, cy, r, dir, viewWidth, viewHeight, viewLeft, viewTop, farthestX) {\n  if (list.length < 2) {\n    return;\n  }\n\n  ;\n\n  function recalculateXOnSemiToAlignOnEllipseCurve(semi) {\n    var rB = semi.rB;\n    var rB2 = rB * rB;\n\n    for (var i = 0; i < semi.list.length; i++) {\n      var item = semi.list[i];\n      var dy = Math.abs(item.label.y - cy); // horizontal r is always same with original r because x is not changed.\n\n      var rA = r + item.len;\n      var rA2 = rA * rA; // Use ellipse implicit function to calculate x\n\n      var dx = Math.sqrt((1 - Math.abs(dy * dy / rB2)) * rA2);\n      item.label.x = cx + (dx + item.len2) * dir;\n    }\n  } // Adjust X based on the shifted y. Make tight labels aligned on an ellipse curve.\n\n\n  function recalculateX(items) {\n    // Extremes of\n    var topSemi = {\n      list: [],\n      maxY: 0\n    };\n    var bottomSemi = {\n      list: [],\n      maxY: 0\n    };\n\n    for (var i = 0; i < items.length; i++) {\n      if (items[i].labelAlignTo !== 'none') {\n        continue;\n      }\n\n      var item = items[i];\n      var semi = item.label.y > cy ? bottomSemi : topSemi;\n      var dy = Math.abs(item.label.y - cy);\n\n      if (dy > semi.maxY) {\n        var dx = item.label.x - cx - item.len2 * dir; // horizontal r is always same with original r because x is not changed.\n\n        var rA = r + item.len; // Canculate rB based on the topest / bottemest label.\n\n        var rB = Math.abs(dx) < rA ? Math.sqrt(dy * dy / (1 - dx * dx / rA / rA)) : rA;\n        semi.rB = rB;\n        semi.maxY = dy;\n      }\n\n      semi.list.push(item);\n    }\n\n    recalculateXOnSemiToAlignOnEllipseCurve(topSemi);\n    recalculateXOnSemiToAlignOnEllipseCurve(bottomSemi);\n  }\n\n  var len = list.length;\n\n  for (var i = 0; i < len; i++) {\n    if (list[i].position === 'outer' && list[i].labelAlignTo === 'labelLine') {\n      var dx = list[i].label.x - farthestX;\n      list[i].linePoints[1][0] += dx;\n      list[i].label.x = farthestX;\n    }\n  }\n\n  if (shiftLayoutOnY(list, viewTop, viewTop + viewHeight)) {\n    recalculateX(list);\n  }\n}\n\nfunction avoidOverlap(labelLayoutList, cx, cy, r, viewWidth, viewHeight, viewLeft, viewTop) {\n  var leftList = [];\n  var rightList = [];\n  var leftmostX = Number.MAX_VALUE;\n  var rightmostX = -Number.MAX_VALUE;\n\n  for (var i = 0; i < labelLayoutList.length; i++) {\n    var label = labelLayoutList[i].label;\n\n    if (isPositionCenter(labelLayoutList[i])) {\n      continue;\n    }\n\n    if (label.x < cx) {\n      leftmostX = Math.min(leftmostX, label.x);\n      leftList.push(labelLayoutList[i]);\n    } else {\n      rightmostX = Math.max(rightmostX, label.x);\n      rightList.push(labelLayoutList[i]);\n    }\n  }\n\n  adjustSingleSide(rightList, cx, cy, r, 1, viewWidth, viewHeight, viewLeft, viewTop, rightmostX);\n  adjustSingleSide(leftList, cx, cy, r, -1, viewWidth, viewHeight, viewLeft, viewTop, leftmostX);\n\n  for (var i = 0; i < labelLayoutList.length; i++) {\n    var layout = labelLayoutList[i];\n    var label = layout.label;\n\n    if (isPositionCenter(layout)) {\n      continue;\n    }\n\n    var linePoints = layout.linePoints;\n\n    if (linePoints) {\n      var isAlignToEdge = layout.labelAlignTo === 'edge';\n      var realTextWidth = layout.rect.width;\n      var targetTextWidth = void 0;\n\n      if (isAlignToEdge) {\n        if (label.x < cx) {\n          targetTextWidth = linePoints[2][0] - layout.labelDistance - viewLeft - layout.edgeDistance;\n        } else {\n          targetTextWidth = viewLeft + viewWidth - layout.edgeDistance - linePoints[2][0] - layout.labelDistance;\n        }\n      } else {\n        if (label.x < cx) {\n          targetTextWidth = label.x - viewLeft - layout.bleedMargin;\n        } else {\n          targetTextWidth = viewLeft + viewWidth - label.x - layout.bleedMargin;\n        }\n      }\n\n      if (targetTextWidth < layout.rect.width) {\n        // TODOTODO\n        // layout.text = textContain.truncateText(layout.text, targetTextWidth, layout.font);\n        layout.label.style.width = targetTextWidth;\n\n        if (layout.labelAlignTo === 'edge') {\n          realTextWidth = targetTextWidth; // realTextWidth = textContain.getWidth(layout.text, layout.font);\n        }\n      }\n\n      var dist = linePoints[1][0] - linePoints[2][0];\n\n      if (isAlignToEdge) {\n        if (label.x < cx) {\n          linePoints[2][0] = viewLeft + layout.edgeDistance + realTextWidth + layout.labelDistance;\n        } else {\n          linePoints[2][0] = viewLeft + viewWidth - layout.edgeDistance - realTextWidth - layout.labelDistance;\n        }\n      } else {\n        if (label.x < cx) {\n          linePoints[2][0] = label.x + layout.labelDistance;\n        } else {\n          linePoints[2][0] = label.x - layout.labelDistance;\n        }\n\n        linePoints[1][0] = linePoints[2][0] + dist;\n      }\n\n      linePoints[1][1] = linePoints[2][1] = label.y;\n    }\n  }\n}\n\nfunction isPositionCenter(sectorShape) {\n  // Not change x for center label\n  return sectorShape.position === 'center';\n}\n\nexport default function pieLabelLayout(seriesModel) {\n  var data = seriesModel.getData();\n  var labelLayoutList = [];\n  var cx;\n  var cy;\n  var hasLabelRotate = false;\n  var minShowLabelRadian = (seriesModel.get('minShowLabelAngle') || 0) * RADIAN;\n  var viewRect = data.getLayout('viewRect');\n  var r = data.getLayout('r');\n  var viewWidth = viewRect.width;\n  var viewLeft = viewRect.x;\n  var viewTop = viewRect.y;\n  var viewHeight = viewRect.height;\n\n  function setNotShow(el) {\n    el.ignore = true;\n  }\n\n  function isLabelShown(label) {\n    if (!label.ignore) {\n      return true;\n    }\n\n    for (var key in label.states) {\n      if (label.states[key].ignore === false) {\n        return true;\n      }\n    }\n\n    return false;\n  }\n\n  data.each(function (idx) {\n    var sector = data.getItemGraphicEl(idx);\n    var sectorShape = sector.shape;\n    var label = sector.getTextContent();\n    var labelLine = sector.getTextGuideLine();\n    var itemModel = data.getItemModel(idx);\n    var labelModel = itemModel.getModel('label'); // Use position in normal or emphasis\n\n    var labelPosition = labelModel.get('position') || itemModel.get(['emphasis', 'label', 'position']);\n    var labelDistance = labelModel.get('distanceToLabelLine');\n    var labelAlignTo = labelModel.get('alignTo');\n    var edgeDistance = parsePercent(labelModel.get('edgeDistance'), viewWidth);\n    var bleedMargin = labelModel.get('bleedMargin');\n    var labelLineModel = itemModel.getModel('labelLine');\n    var labelLineLen = labelLineModel.get('length');\n    labelLineLen = parsePercent(labelLineLen, viewWidth);\n    var labelLineLen2 = labelLineModel.get('length2');\n    labelLineLen2 = parsePercent(labelLineLen2, viewWidth);\n\n    if (Math.abs(sectorShape.endAngle - sectorShape.startAngle) < minShowLabelRadian) {\n      each(label.states, setNotShow);\n      label.ignore = true;\n      return;\n    }\n\n    if (!isLabelShown(label)) {\n      return;\n    }\n\n    var midAngle = (sectorShape.startAngle + sectorShape.endAngle) / 2;\n    var nx = Math.cos(midAngle);\n    var ny = Math.sin(midAngle);\n    var textX;\n    var textY;\n    var linePoints;\n    var textAlign;\n    cx = sectorShape.cx;\n    cy = sectorShape.cy;\n    var isLabelInside = labelPosition === 'inside' || labelPosition === 'inner';\n\n    if (labelPosition === 'center') {\n      textX = sectorShape.cx;\n      textY = sectorShape.cy;\n      textAlign = 'center';\n    } else {\n      var x1 = (isLabelInside ? (sectorShape.r + sectorShape.r0) / 2 * nx : sectorShape.r * nx) + cx;\n      var y1 = (isLabelInside ? (sectorShape.r + sectorShape.r0) / 2 * ny : sectorShape.r * ny) + cy;\n      textX = x1 + nx * 3;\n      textY = y1 + ny * 3;\n\n      if (!isLabelInside) {\n        // For roseType\n        var x2 = x1 + nx * (labelLineLen + r - sectorShape.r);\n        var y2 = y1 + ny * (labelLineLen + r - sectorShape.r);\n        var x3 = x2 + (nx < 0 ? -1 : 1) * labelLineLen2;\n        var y3 = y2;\n\n        if (labelAlignTo === 'edge') {\n          // Adjust textX because text align of edge is opposite\n          textX = nx < 0 ? viewLeft + edgeDistance : viewLeft + viewWidth - edgeDistance;\n        } else {\n          textX = x3 + (nx < 0 ? -labelDistance : labelDistance);\n        }\n\n        textY = y3;\n        linePoints = [[x1, y1], [x2, y2], [x3, y3]];\n      }\n\n      textAlign = isLabelInside ? 'center' : labelAlignTo === 'edge' ? nx > 0 ? 'right' : 'left' : nx > 0 ? 'left' : 'right';\n    }\n\n    var labelRotate;\n    var rotate = labelModel.get('rotate');\n\n    if (typeof rotate === 'number') {\n      labelRotate = rotate * (Math.PI / 180);\n    } else {\n      labelRotate = rotate ? nx < 0 ? -midAngle + Math.PI : -midAngle : 0;\n    }\n\n    hasLabelRotate = !!labelRotate;\n    label.x = textX;\n    label.y = textY;\n    label.rotation = labelRotate;\n    label.setStyle({\n      verticalAlign: 'middle'\n    }); // Not sectorShape the inside label\n\n    if (!isLabelInside) {\n      var textRect = label.getBoundingRect().clone();\n      textRect.applyTransform(label.getComputedTransform()); // Text has a default 1px stroke. Exclude this.\n\n      var margin = (label.style.margin || 0) + 2.1;\n      textRect.y -= margin / 2;\n      textRect.height += margin;\n      labelLayoutList.push({\n        label: label,\n        labelLine: labelLine,\n        position: labelPosition,\n        len: labelLineLen,\n        len2: labelLineLen2,\n        minTurnAngle: labelLineModel.get('minTurnAngle'),\n        maxSurfaceAngle: labelLineModel.get('maxSurfaceAngle'),\n        surfaceNormal: new Point(nx, ny),\n        linePoints: linePoints,\n        textAlign: textAlign,\n        labelDistance: labelDistance,\n        labelAlignTo: labelAlignTo,\n        edgeDistance: edgeDistance,\n        bleedMargin: bleedMargin,\n        rect: textRect\n      });\n    } else {\n      label.setStyle({\n        align: textAlign\n      });\n      var selectState = label.states.select;\n\n      if (selectState) {\n        selectState.x += label.x;\n        selectState.y += label.y;\n      }\n    }\n\n    sector.setTextConfig({\n      inside: isLabelInside\n    });\n  });\n\n  if (!hasLabelRotate && seriesModel.get('avoidLabelOverlap')) {\n    avoidOverlap(labelLayoutList, cx, cy, r, viewWidth, viewHeight, viewLeft, viewTop);\n  }\n\n  for (var i = 0; i < labelLayoutList.length; i++) {\n    var layout = labelLayoutList[i];\n    var label = layout.label;\n    var labelLine = layout.labelLine;\n    var notShowLabel = isNaN(label.x) || isNaN(label.y);\n\n    if (label) {\n      label.setStyle({\n        align: layout.textAlign\n      });\n\n      if (notShowLabel) {\n        each(label.states, setNotShow);\n        label.ignore = true;\n      }\n\n      var selectState = label.states.select;\n\n      if (selectState) {\n        selectState.x += label.x;\n        selectState.y += label.y;\n      }\n    }\n\n    if (labelLine) {\n      var linePoints = layout.linePoints;\n\n      if (notShowLabel || !linePoints) {\n        each(labelLine.states, setNotShow);\n        labelLine.ignore = true;\n      } else {\n        limitTurnAngle(linePoints, layout.minTurnAngle);\n        limitSurfaceAngle(linePoints, layout.surfaceNormal, layout.maxSurfaceAngle);\n        labelLine.setShape({\n          points: linePoints\n        }); // Set the anchor to the midpoint of sector\n\n        label.__hostTarget.textGuideLineConfig = {\n          anchor: new Point(linePoints[0][0], linePoints[0][1])\n        };\n      }\n    }\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { isArray } from 'zrender/lib/core/util';\nimport { parsePercent } from 'zrender/lib/contain/text';\nexport function getSectorCornerRadius(model, shape) {\n  var cornerRadius = model.get('borderRadius');\n\n  if (cornerRadius == null) {\n    return null;\n  }\n\n  if (!isArray(cornerRadius)) {\n    cornerRadius = [cornerRadius, cornerRadius];\n  }\n\n  return {\n    innerCornerRadius: parsePercent(cornerRadius[0], shape.r0),\n    cornerRadius: parsePercent(cornerRadius[1], shape.r)\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __assign, __extends } from \"tslib\";\nimport { extend, retrieve3 } from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport { setStatesStylesFromModel, enableHoverEmphasis } from '../../util/states';\nimport ChartView from '../../view/Chart';\nimport labelLayout from './labelLayout';\nimport { setLabelLineStyle, getLabelLineStatesModels } from '../../label/labelGuideHelper';\nimport { setLabelStyle, getLabelStatesModels } from '../../label/labelStyle';\nimport { getSectorCornerRadius } from '../helper/pieHelper';\n/**\n * Piece of pie including Sector, Label, LabelLine\n */\n\nvar PiePiece =\n/** @class */\nfunction (_super) {\n  __extends(PiePiece, _super);\n\n  function PiePiece(data, idx, startAngle) {\n    var _this = _super.call(this) || this;\n\n    _this.z2 = 2;\n    var text = new graphic.Text();\n\n    _this.setTextContent(text);\n\n    _this.updateData(data, idx, startAngle, true);\n\n    return _this;\n  }\n\n  PiePiece.prototype.updateData = function (data, idx, startAngle, firstCreate) {\n    var sector = this;\n    var seriesModel = data.hostModel;\n    var itemModel = data.getItemModel(idx);\n    var emphasisModel = itemModel.getModel('emphasis');\n    var layout = data.getItemLayout(idx);\n    var sectorShape = extend(getSectorCornerRadius(itemModel.getModel('itemStyle'), layout) || {}, layout); // Ignore NaN data.\n\n    if (isNaN(sectorShape.startAngle)) {\n      // Use NaN shape to avoid drawing shape.\n      sector.setShape(sectorShape);\n      return;\n    }\n\n    if (firstCreate) {\n      sector.setShape(sectorShape);\n      var animationType = seriesModel.getShallow('animationType');\n\n      if (animationType === 'scale') {\n        sector.shape.r = layout.r0;\n        graphic.initProps(sector, {\n          shape: {\n            r: layout.r\n          }\n        }, seriesModel, idx);\n      } // Expansion\n      else {\n          if (startAngle != null) {\n            sector.setShape({\n              startAngle: startAngle,\n              endAngle: startAngle\n            });\n            graphic.initProps(sector, {\n              shape: {\n                startAngle: layout.startAngle,\n                endAngle: layout.endAngle\n              }\n            }, seriesModel, idx);\n          } else {\n            sector.shape.endAngle = layout.startAngle;\n            graphic.updateProps(sector, {\n              shape: {\n                endAngle: layout.endAngle\n              }\n            }, seriesModel, idx);\n          }\n        }\n    } else {\n      // Transition animation from the old shape\n      graphic.updateProps(sector, {\n        shape: sectorShape\n      }, seriesModel, idx);\n    }\n\n    sector.useStyle(data.getItemVisual(idx, 'style'));\n    setStatesStylesFromModel(sector, itemModel);\n    var midAngle = (layout.startAngle + layout.endAngle) / 2;\n    var offset = seriesModel.get('selectedOffset');\n    var dx = Math.cos(midAngle) * offset;\n    var dy = Math.sin(midAngle) * offset;\n    var cursorStyle = itemModel.getShallow('cursor');\n    cursorStyle && sector.attr('cursor', cursorStyle);\n\n    this._updateLabel(seriesModel, data, idx);\n\n    sector.ensureState('emphasis').shape = __assign({\n      r: layout.r + (emphasisModel.get('scale') ? emphasisModel.get('scaleSize') || 0 : 0)\n    }, getSectorCornerRadius(emphasisModel.getModel('itemStyle'), layout));\n    extend(sector.ensureState('select'), {\n      x: dx,\n      y: dy,\n      shape: getSectorCornerRadius(itemModel.getModel(['select', 'itemStyle']), layout)\n    });\n    extend(sector.ensureState('blur'), {\n      shape: getSectorCornerRadius(itemModel.getModel(['blur', 'itemStyle']), layout)\n    });\n    var labelLine = sector.getTextGuideLine();\n    var labelText = sector.getTextContent();\n    labelLine && extend(labelLine.ensureState('select'), {\n      x: dx,\n      y: dy\n    }); // TODO: needs dx, dy in zrender?\n\n    extend(labelText.ensureState('select'), {\n      x: dx,\n      y: dy\n    });\n    enableHoverEmphasis(this, emphasisModel.get('focus'), emphasisModel.get('blurScope'));\n  };\n\n  PiePiece.prototype._updateLabel = function (seriesModel, data, idx) {\n    var sector = this;\n    var itemModel = data.getItemModel(idx);\n    var labelLineModel = itemModel.getModel('labelLine');\n    var style = data.getItemVisual(idx, 'style');\n    var visualColor = style && style.fill;\n    var visualOpacity = style && style.opacity;\n    setLabelStyle(sector, getLabelStatesModels(itemModel), {\n      labelFetcher: data.hostModel,\n      labelDataIndex: idx,\n      inheritColor: visualColor,\n      defaultOpacity: visualOpacity,\n      defaultText: seriesModel.getFormattedLabel(idx, 'normal') || data.getName(idx)\n    });\n    var labelText = sector.getTextContent(); // Set textConfig on sector.\n\n    sector.setTextConfig({\n      // reset position, rotation\n      position: null,\n      rotation: null\n    }); // Make sure update style on labelText after setLabelStyle.\n    // Because setLabelStyle will replace a new style on it.\n\n    labelText.attr({\n      z2: 10\n    });\n    var labelPosition = seriesModel.get(['label', 'position']);\n\n    if (labelPosition !== 'outside' && labelPosition !== 'outer') {\n      sector.removeTextGuideLine();\n    } else {\n      var polyline = this.getTextGuideLine();\n\n      if (!polyline) {\n        polyline = new graphic.Polyline();\n        this.setTextGuideLine(polyline);\n      } // Default use item visual color\n\n\n      setLabelLineStyle(this, getLabelLineStatesModels(itemModel), {\n        stroke: visualColor,\n        opacity: retrieve3(labelLineModel.get(['lineStyle', 'opacity']), visualOpacity, 1)\n      });\n    }\n  };\n\n  return PiePiece;\n}(graphic.Sector); // Pie view\n\n\nvar PieView =\n/** @class */\nfunction (_super) {\n  __extends(PieView, _super);\n\n  function PieView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.ignoreLabelLineUpdate = true;\n    return _this;\n  }\n\n  PieView.prototype.init = function () {\n    var sectorGroup = new graphic.Group();\n    this._sectorGroup = sectorGroup;\n  };\n\n  PieView.prototype.render = function (seriesModel, ecModel, api, payload) {\n    var data = seriesModel.getData();\n    var oldData = this._data;\n    var group = this.group;\n    var startAngle; // First render\n\n    if (!oldData && data.count() > 0) {\n      var shape = data.getItemLayout(0);\n\n      for (var s = 1; isNaN(shape && shape.startAngle) && s < data.count(); ++s) {\n        shape = data.getItemLayout(s);\n      }\n\n      if (shape) {\n        startAngle = shape.startAngle;\n      }\n    }\n\n    data.diff(oldData).add(function (idx) {\n      var piePiece = new PiePiece(data, idx, startAngle);\n      data.setItemGraphicEl(idx, piePiece);\n      group.add(piePiece);\n    }).update(function (newIdx, oldIdx) {\n      var piePiece = oldData.getItemGraphicEl(oldIdx);\n      piePiece.updateData(data, newIdx, startAngle);\n      piePiece.off('click');\n      group.add(piePiece);\n      data.setItemGraphicEl(newIdx, piePiece);\n    }).remove(function (idx) {\n      var piePiece = oldData.getItemGraphicEl(idx);\n      graphic.removeElementWithFadeOut(piePiece, seriesModel, idx);\n    }).execute();\n    labelLayout(seriesModel); // Always use initial animation.\n\n    if (seriesModel.get('animationTypeUpdate') !== 'expansion') {\n      this._data = data;\n    }\n  };\n\n  PieView.prototype.dispose = function () {};\n\n  PieView.prototype.containPoint = function (point, seriesModel) {\n    var data = seriesModel.getData();\n    var itemLayout = data.getItemLayout(0);\n\n    if (itemLayout) {\n      var dx = point[0] - itemLayout.cx;\n      var dy = point[1] - itemLayout.cy;\n      var radius = Math.sqrt(dx * dx + dy * dy);\n      return radius <= itemLayout.r && radius >= itemLayout.r0;\n    }\n  };\n\n  PieView.type = 'pie';\n  return PieView;\n}(ChartView);\n\nexport default PieView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport createDimensions from '../../data/helper/createDimensions';\nimport List from '../../data/List';\nimport { extend, isArray } from 'zrender/lib/core/util';\n/**\n * [Usage]:\n * (1)\n * createListSimply(seriesModel, ['value']);\n * (2)\n * createListSimply(seriesModel, {\n *     coordDimensions: ['value'],\n *     dimensionsCount: 5\n * });\n */\n\nexport default function createListSimply(seriesModel, opt, nameList) {\n  opt = isArray(opt) && {\n    coordDimensions: opt\n  } || extend({}, opt);\n  var source = seriesModel.getSource();\n  var dimensionsInfo = createDimensions(source, opt);\n  var list = new List(dimensionsInfo, seriesModel);\n  list.initData(source, nameList);\n  return list;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * LegendVisualProvider is an bridge that pick encoded color from data and\n * provide to the legend component.\n */\nvar LegendVisualProvider =\n/** @class */\nfunction () {\n  function LegendVisualProvider( // Function to get data after filtered. It stores all the encoding info\n  getDataWithEncodedVisual, // Function to get raw data before filtered.\n  getRawData) {\n    this._getDataWithEncodedVisual = getDataWithEncodedVisual;\n    this._getRawData = getRawData;\n  }\n\n  LegendVisualProvider.prototype.getAllNames = function () {\n    var rawData = this._getRawData(); // We find the name from the raw data. In case it's filtered by the legend component.\n    // Normally, the name can be found in rawData, but can't be found in filtered data will display as gray.\n\n\n    return rawData.mapArray(rawData.getName);\n  };\n\n  LegendVisualProvider.prototype.containName = function (name) {\n    var rawData = this._getRawData();\n\n    return rawData.indexOfName(name) >= 0;\n  };\n\n  LegendVisualProvider.prototype.indexOfName = function (name) {\n    // Only get data when necessary.\n    // Because LegendVisualProvider constructor may be new in the stage that data is not prepared yet.\n    // Invoking Series#getData immediately will throw an error.\n    var dataWithEncodedVisual = this._getDataWithEncodedVisual();\n\n    return dataWithEncodedVisual.indexOfName(name);\n  };\n\n  LegendVisualProvider.prototype.getItemVisual = function (dataIndex, key) {\n    // Get encoded visual properties from final filtered data.\n    var dataWithEncodedVisual = this._getDataWithEncodedVisual();\n\n    return dataWithEncodedVisual.getItemVisual(dataIndex, key);\n  };\n\n  return LegendVisualProvider;\n}();\n\nexport default LegendVisualProvider;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport createListSimply from '../helper/createListSimply';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as modelUtil from '../../util/model';\nimport { getPercentWithPrecision } from '../../util/number';\nimport { makeSeriesEncodeForNameBased } from '../../data/helper/sourceHelper';\nimport LegendVisualProvider from '../../visual/LegendVisualProvider';\nimport SeriesModel from '../../model/Series';\n\nvar PieSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(PieSeriesModel, _super);\n\n  function PieSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.useColorPaletteOnData = true;\n    return _this;\n  }\n  /**\n   * @overwrite\n   */\n\n\n  PieSeriesModel.prototype.init = function (option) {\n    _super.prototype.init.apply(this, arguments); // Enable legend selection for each data item\n    // Use a function instead of direct access because data reference may changed\n\n\n    this.legendVisualProvider = new LegendVisualProvider(zrUtil.bind(this.getData, this), zrUtil.bind(this.getRawData, this));\n\n    this._defaultLabelLine(option);\n  };\n  /**\n   * @overwrite\n   */\n\n\n  PieSeriesModel.prototype.mergeOption = function () {\n    _super.prototype.mergeOption.apply(this, arguments);\n  };\n  /**\n   * @overwrite\n   */\n\n\n  PieSeriesModel.prototype.getInitialData = function () {\n    return createListSimply(this, {\n      coordDimensions: ['value'],\n      encodeDefaulter: zrUtil.curry(makeSeriesEncodeForNameBased, this)\n    });\n  };\n  /**\n   * @overwrite\n   */\n\n\n  PieSeriesModel.prototype.getDataParams = function (dataIndex) {\n    var data = this.getData();\n\n    var params = _super.prototype.getDataParams.call(this, dataIndex); // FIXME toFixed?\n\n\n    var valueList = [];\n    data.each(data.mapDimension('value'), function (value) {\n      valueList.push(value);\n    });\n    params.percent = getPercentWithPrecision(valueList, dataIndex, data.hostModel.get('percentPrecision'));\n    params.$vars.push('percent');\n    return params;\n  };\n\n  PieSeriesModel.prototype._defaultLabelLine = function (option) {\n    // Extend labelLine emphasis\n    modelUtil.defaultEmphasis(option, 'labelLine', ['show']);\n    var labelLineNormalOpt = option.labelLine;\n    var labelLineEmphasisOpt = option.emphasis.labelLine; // Not show label line if `label.normal.show = false`\n\n    labelLineNormalOpt.show = labelLineNormalOpt.show && option.label.show;\n    labelLineEmphasisOpt.show = labelLineEmphasisOpt.show && option.emphasis.label.show;\n  };\n\n  PieSeriesModel.type = 'series.pie';\n  PieSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    legendHoverLink: true,\n    // 默认全局居中\n    center: ['50%', '50%'],\n    radius: [0, '75%'],\n    // 默认顺时针\n    clockwise: true,\n    startAngle: 90,\n    // 最小角度改为0\n    minAngle: 0,\n    // If the angle of a sector less than `minShowLabelAngle`,\n    // the label will not be displayed.\n    minShowLabelAngle: 0,\n    // 选中时扇区偏移量\n    selectedOffset: 10,\n    // 选择模式，默认关闭，可选single，multiple\n    // selectedMode: false,\n    // 南丁格尔玫瑰图模式，'radius'（半径） | 'area'（面积）\n    // roseType: null,\n    percentPrecision: 2,\n    // If still show when all data zero.\n    stillShowZeroSum: true,\n    // cursor: null,\n    left: 0,\n    top: 0,\n    right: 0,\n    bottom: 0,\n    width: null,\n    height: null,\n    label: {\n      // color: 'inherit',\n      // If rotate around circle\n      rotate: 0,\n      show: true,\n      overflow: 'truncate',\n      // 'outer', 'inside', 'center'\n      position: 'outer',\n      // 'none', 'labelLine', 'edge'. Works only when position is 'outer'\n      alignTo: 'none',\n      // Closest distance between label and chart edge.\n      // Works only position is 'outer' and alignTo is 'edge'.\n      edgeDistance: '25%',\n      // Works only position is 'outer' and alignTo is not 'edge'.\n      bleedMargin: 10,\n      // Distance between text and label line.\n      distanceToLabelLine: 5 // formatter: 标签文本格式器，同Tooltip.formatter，不支持异步回调\n      // 默认使用全局文本样式，详见TEXTSTYLE\n      // distance: 当position为inner时有效，为label位置到圆心的距离与圆半径(环状图为内外半径和)的比例系数\n\n    },\n    // Enabled when label.normal.position is 'outer'\n    labelLine: {\n      show: true,\n      // 引导线两段中的第一段长度\n      length: 15,\n      // 引导线两段中的第二段长度\n      length2: 15,\n      smooth: false,\n      minTurnAngle: 90,\n      maxSurfaceAngle: 90,\n      lineStyle: {\n        // color: 各异,\n        width: 1,\n        type: 'solid'\n      }\n    },\n    itemStyle: {\n      borderWidth: 1\n    },\n    labelLayout: {\n      // Hide the overlapped label.\n      hideOverlap: true\n    },\n    emphasis: {\n      scale: true,\n      scaleSize: 5\n    },\n    // If use strategy to avoid label overlapping\n    avoidLabelOverlap: true,\n    // Animation type. Valid values: expansion, scale\n    animationType: 'expansion',\n    animationDuration: 1000,\n    // Animation type when update. Valid values: transition, expansion\n    animationTypeUpdate: 'transition',\n    animationEasingUpdate: 'cubicInOut',\n    animationDurationUpdate: 500,\n    animationEasing: 'cubicInOut'\n  };\n  return PieSeriesModel;\n}(SeriesModel);\n\nexport default PieSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport createListFromArray from '../helper/createListFromArray';\nimport SeriesModel from '../../model/Series';\n\nvar ScatterSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(ScatterSeriesModel, _super);\n\n  function ScatterSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ScatterSeriesModel.type;\n    _this.hasSymbolVisual = true;\n    return _this;\n  }\n\n  ScatterSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    return createListFromArray(this.getSource(), this, {\n      useEncodeDefaulter: true\n    });\n  };\n\n  ScatterSeriesModel.prototype.getProgressive = function () {\n    var progressive = this.option.progressive;\n\n    if (progressive == null) {\n      // PENDING\n      return this.option.large ? 5e3 : this.get('progressive');\n    }\n\n    return progressive;\n  };\n\n  ScatterSeriesModel.prototype.getProgressiveThreshold = function () {\n    var progressiveThreshold = this.option.progressiveThreshold;\n\n    if (progressiveThreshold == null) {\n      // PENDING\n      return this.option.large ? 1e4 : this.get('progressiveThreshold');\n    }\n\n    return progressiveThreshold;\n  };\n\n  ScatterSeriesModel.prototype.brushSelector = function (dataIndex, data, selectors) {\n    return selectors.point(data.getItemLayout(dataIndex));\n  };\n\n  ScatterSeriesModel.type = 'series.scatter';\n  ScatterSeriesModel.dependencies = ['grid', 'polar', 'geo', 'singleAxis', 'calendar'];\n  ScatterSeriesModel.defaultOption = {\n    coordinateSystem: 'cartesian2d',\n    zlevel: 0,\n    z: 2,\n    legendHoverLink: true,\n    symbolSize: 10,\n    // symbolRotate: null,  // 图形旋转控制\n    large: false,\n    // Available when large is true\n    largeThreshold: 2000,\n    // cursor: null,\n    itemStyle: {\n      opacity: 0.8 // color: 各异\n\n    },\n    emphasis: {\n      scale: true\n    },\n    // If clip the overflow graphics\n    // Works on cartesian / polar series\n    clip: true,\n    select: {\n      itemStyle: {\n        borderColor: '#212121'\n      }\n    } // progressive: null\n\n  };\n  return ScatterSeriesModel;\n}(SeriesModel);\n\nexport default ScatterSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\n/* global Float32Array */\n// TODO Batch by color\n\nimport * as graphic from '../../util/graphic';\nimport { createSymbol } from '../../util/symbol';\nimport IncrementalDisplayable from 'zrender/lib/graphic/IncrementalDisplayable';\nimport { getECData } from '../../util/innerStore';\nvar BOOST_SIZE_THRESHOLD = 4;\n\nvar LargeSymbolPathShape =\n/** @class */\nfunction () {\n  function LargeSymbolPathShape() {}\n\n  return LargeSymbolPathShape;\n}();\n\nvar LargeSymbolPath =\n/** @class */\nfunction (_super) {\n  __extends(LargeSymbolPath, _super);\n\n  function LargeSymbolPath(opts) {\n    return _super.call(this, opts) || this;\n  }\n\n  LargeSymbolPath.prototype.getDefaultShape = function () {\n    return new LargeSymbolPathShape();\n  };\n\n  LargeSymbolPath.prototype.buildPath = function (path, shape) {\n    var points = shape.points;\n    var size = shape.size;\n    var symbolProxy = this.symbolProxy;\n    var symbolProxyShape = symbolProxy.shape;\n    var ctx = path.getContext ? path.getContext() : path;\n    var canBoost = ctx && size[0] < BOOST_SIZE_THRESHOLD; // Do draw in afterBrush.\n\n    if (canBoost) {\n      this._ctx = ctx;\n      return;\n    }\n\n    this._ctx = null;\n\n    for (var i = 0; i < points.length;) {\n      var x = points[i++];\n      var y = points[i++];\n\n      if (isNaN(x) || isNaN(y)) {\n        continue;\n      }\n\n      if (this.softClipShape && !this.softClipShape.contain(x, y)) {\n        continue;\n      }\n\n      symbolProxyShape.x = x - size[0] / 2;\n      symbolProxyShape.y = y - size[1] / 2;\n      symbolProxyShape.width = size[0];\n      symbolProxyShape.height = size[1];\n      symbolProxy.buildPath(path, symbolProxyShape, true);\n    }\n  };\n\n  LargeSymbolPath.prototype.afterBrush = function () {\n    var shape = this.shape;\n    var points = shape.points;\n    var size = shape.size;\n    var ctx = this._ctx;\n\n    if (!ctx) {\n      return;\n    } // PENDING If style or other canvas status changed?\n\n\n    for (var i = 0; i < points.length;) {\n      var x = points[i++];\n      var y = points[i++];\n\n      if (isNaN(x) || isNaN(y)) {\n        continue;\n      }\n\n      if (this.softClipShape && !this.softClipShape.contain(x, y)) {\n        continue;\n      } // fillRect is faster than building a rect path and draw.\n      // And it support light globalCompositeOperation.\n\n\n      ctx.fillRect(x - size[0] / 2, y - size[1] / 2, size[0], size[1]);\n    }\n  };\n\n  LargeSymbolPath.prototype.findDataIndex = function (x, y) {\n    // TODO ???\n    // Consider transform\n    var shape = this.shape;\n    var points = shape.points;\n    var size = shape.size;\n    var w = Math.max(size[0], 4);\n    var h = Math.max(size[1], 4); // Not consider transform\n    // Treat each element as a rect\n    // top down traverse\n\n    for (var idx = points.length / 2 - 1; idx >= 0; idx--) {\n      var i = idx * 2;\n      var x0 = points[i] - w / 2;\n      var y0 = points[i + 1] - h / 2;\n\n      if (x >= x0 && y >= y0 && x <= x0 + w && y <= y0 + h) {\n        return idx;\n      }\n    }\n\n    return -1;\n  };\n\n  return LargeSymbolPath;\n}(graphic.Path);\n\nvar LargeSymbolDraw =\n/** @class */\nfunction () {\n  function LargeSymbolDraw() {\n    this.group = new graphic.Group();\n  }\n\n  LargeSymbolDraw.prototype.isPersistent = function () {\n    return !this._incremental;\n  };\n\n  ;\n  /**\n   * Update symbols draw by new data\n   */\n\n  LargeSymbolDraw.prototype.updateData = function (data, opt) {\n    this.group.removeAll();\n    var symbolEl = new LargeSymbolPath({\n      rectHover: true,\n      cursor: 'default'\n    });\n    symbolEl.setShape({\n      points: data.getLayout('points')\n    });\n\n    this._setCommon(symbolEl, data, false, opt);\n\n    this.group.add(symbolEl);\n    this._incremental = null;\n  };\n\n  LargeSymbolDraw.prototype.updateLayout = function (data) {\n    if (this._incremental) {\n      return;\n    }\n\n    var points = data.getLayout('points');\n    this.group.eachChild(function (child) {\n      if (child.startIndex != null) {\n        var len = (child.endIndex - child.startIndex) * 2;\n        var byteOffset = child.startIndex * 4 * 2;\n        points = new Float32Array(points.buffer, byteOffset, len);\n      }\n\n      child.setShape('points', points);\n    });\n  };\n\n  LargeSymbolDraw.prototype.incrementalPrepareUpdate = function (data) {\n    this.group.removeAll();\n\n    this._clearIncremental(); // Only use incremental displayables when data amount is larger than 2 million.\n    // PENDING Incremental data?\n\n\n    if (data.count() > 2e6) {\n      if (!this._incremental) {\n        this._incremental = new IncrementalDisplayable({\n          silent: true\n        });\n      }\n\n      this.group.add(this._incremental);\n    } else {\n      this._incremental = null;\n    }\n  };\n\n  LargeSymbolDraw.prototype.incrementalUpdate = function (taskParams, data, opt) {\n    var symbolEl;\n\n    if (this._incremental) {\n      symbolEl = new LargeSymbolPath();\n\n      this._incremental.addDisplayable(symbolEl, true);\n    } else {\n      symbolEl = new LargeSymbolPath({\n        rectHover: true,\n        cursor: 'default',\n        startIndex: taskParams.start,\n        endIndex: taskParams.end\n      });\n      symbolEl.incremental = true;\n      this.group.add(symbolEl);\n    }\n\n    symbolEl.setShape({\n      points: data.getLayout('points')\n    });\n\n    this._setCommon(symbolEl, data, !!this._incremental, opt);\n  };\n\n  LargeSymbolDraw.prototype._setCommon = function (symbolEl, data, isIncremental, opt) {\n    var hostModel = data.hostModel;\n    opt = opt || {};\n    var size = data.getVisual('symbolSize');\n    symbolEl.setShape('size', size instanceof Array ? size : [size, size]);\n    symbolEl.softClipShape = opt.clipShape || null; // Create symbolProxy to build path for each data\n\n    symbolEl.symbolProxy = createSymbol(data.getVisual('symbol'), 0, 0, 0, 0); // Use symbolProxy setColor method\n\n    symbolEl.setColor = symbolEl.symbolProxy.setColor;\n    var extrudeShadow = symbolEl.shape.size[0] < BOOST_SIZE_THRESHOLD;\n    symbolEl.useStyle( // Draw shadow when doing fillRect is extremely slow.\n    hostModel.getModel('itemStyle').getItemStyle(extrudeShadow ? ['color', 'shadowBlur', 'shadowColor'] : ['color']));\n    var globalStyle = data.getVisual('style');\n    var visualColor = globalStyle && globalStyle.fill;\n\n    if (visualColor) {\n      symbolEl.setColor(visualColor);\n    }\n\n    if (!isIncremental) {\n      var ecData_1 = getECData(symbolEl); // Enable tooltip\n      // PENDING May have performance issue when path is extremely large\n\n      ecData_1.seriesIndex = hostModel.seriesIndex;\n      symbolEl.on('mousemove', function (e) {\n        ecData_1.dataIndex = null;\n        var dataIndex = symbolEl.findDataIndex(e.offsetX, e.offsetY);\n\n        if (dataIndex >= 0) {\n          // Provide dataIndex for tooltip\n          ecData_1.dataIndex = dataIndex + (symbolEl.startIndex || 0);\n        }\n      });\n    }\n  };\n\n  LargeSymbolDraw.prototype.remove = function () {\n    this._clearIncremental();\n\n    this._incremental = null;\n    this.group.removeAll();\n  };\n\n  LargeSymbolDraw.prototype._clearIncremental = function () {\n    var incremental = this._incremental;\n\n    if (incremental) {\n      incremental.clearDisplaybles();\n    }\n  };\n\n  return LargeSymbolDraw;\n}();\n\nexport default LargeSymbolDraw;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport SymbolDraw from '../helper/SymbolDraw';\nimport LargeSymbolDraw from '../helper/LargeSymbolDraw';\nimport pointsLayout from '../../layout/points';\nimport ChartView from '../../view/Chart';\n\nvar ScatterView =\n/** @class */\nfunction (_super) {\n  __extends(ScatterView, _super);\n\n  function ScatterView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ScatterView.type;\n    return _this;\n  }\n\n  ScatterView.prototype.render = function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n\n    var symbolDraw = this._updateSymbolDraw(data, seriesModel);\n\n    symbolDraw.updateData(data, {\n      // TODO\n      // If this parameter should be a shape or a bounding volume\n      // shape will be more general.\n      // But bounding volume like bounding rect will be much faster in the contain calculation\n      clipShape: this._getClipShape(seriesModel)\n    });\n    this._finished = true;\n  };\n\n  ScatterView.prototype.incrementalPrepareRender = function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n\n    var symbolDraw = this._updateSymbolDraw(data, seriesModel);\n\n    symbolDraw.incrementalPrepareUpdate(data);\n    this._finished = false;\n  };\n\n  ScatterView.prototype.incrementalRender = function (taskParams, seriesModel, ecModel) {\n    this._symbolDraw.incrementalUpdate(taskParams, seriesModel.getData(), {\n      clipShape: this._getClipShape(seriesModel)\n    });\n\n    this._finished = taskParams.end === seriesModel.getData().count();\n  };\n\n  ScatterView.prototype.updateTransform = function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData(); // Must mark group dirty and make sure the incremental layer will be cleared\n    // PENDING\n\n    this.group.dirty();\n\n    if (!this._finished || data.count() > 1e4 || !this._symbolDraw.isPersistent()) {\n      return {\n        update: true\n      };\n    } else {\n      var res = pointsLayout('').reset(seriesModel, ecModel, api);\n\n      if (res.progress) {\n        res.progress({\n          start: 0,\n          end: data.count(),\n          count: data.count()\n        }, data);\n      }\n\n      this._symbolDraw.updateLayout(data);\n    }\n  };\n\n  ScatterView.prototype._getClipShape = function (seriesModel) {\n    var coordSys = seriesModel.coordinateSystem;\n    var clipArea = coordSys && coordSys.getArea && coordSys.getArea();\n    return seriesModel.get('clip', true) ? clipArea : null;\n  };\n\n  ScatterView.prototype._updateSymbolDraw = function (data, seriesModel) {\n    var symbolDraw = this._symbolDraw;\n    var pipelineContext = seriesModel.pipelineContext;\n    var isLargeDraw = pipelineContext.large;\n\n    if (!symbolDraw || isLargeDraw !== this._isLargeDraw) {\n      symbolDraw && symbolDraw.remove();\n      symbolDraw = this._symbolDraw = isLargeDraw ? new LargeSymbolDraw() : new SymbolDraw();\n      this._isLargeDraw = isLargeDraw;\n      this.group.removeAll();\n    }\n\n    this.group.add(symbolDraw.group);\n    return symbolDraw;\n  };\n\n  ScatterView.prototype.remove = function (ecModel, api) {\n    this._symbolDraw && this._symbolDraw.remove(true);\n    this._symbolDraw = null;\n  };\n\n  ScatterView.prototype.dispose = function () {};\n\n  ScatterView.type = 'scatter';\n  return ScatterView;\n}(ChartView);\n\nexport default ScatterView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport ComponentModel from '../../model/Component';\n\nvar GridModel =\n/** @class */\nfunction (_super) {\n  __extends(GridModel, _super);\n\n  function GridModel() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  GridModel.type = 'grid';\n  GridModel.dependencies = ['xAxis', 'yAxis'];\n  GridModel.layoutMode = 'box';\n  GridModel.defaultOption = {\n    show: false,\n    zlevel: 0,\n    z: 0,\n    left: '10%',\n    top: 60,\n    right: '10%',\n    bottom: 70,\n    // If grid size contain label\n    containLabel: false,\n    // width: {totalWidth} - left - right,\n    // height: {totalHeight} - top - bottom,\n    backgroundColor: 'rgba(0,0,0,0)',\n    borderWidth: 1,\n    borderColor: '#ccc'\n  };\n  return GridModel;\n}(ComponentModel);\n\nexport default GridModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport ComponentModel from '../../model/Component';\nimport { AxisModelCommonMixin } from '../axisModelCommonMixin';\nimport { SINGLE_REFERRING } from '../../util/model';\n\nvar CartesianAxisModel =\n/** @class */\nfunction (_super) {\n  __extends(CartesianAxisModel, _super);\n\n  function CartesianAxisModel() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  CartesianAxisModel.prototype.getCoordSysModel = function () {\n    return this.getReferringComponents('grid', SINGLE_REFERRING).models[0];\n  };\n\n  CartesianAxisModel.type = 'cartesian2dAxis';\n  return CartesianAxisModel;\n}(ComponentModel);\n\nexport { CartesianAxisModel };\nzrUtil.mixin(CartesianAxisModel, AxisModelCommonMixin);\nexport default CartesianAxisModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nvar defaultOption = {\n  show: true,\n  zlevel: 0,\n  z: 0,\n  // Inverse the axis.\n  inverse: false,\n  // Axis name displayed.\n  name: '',\n  // 'start' | 'middle' | 'end'\n  nameLocation: 'end',\n  // By degree. By default auto rotate by nameLocation.\n  nameRotate: null,\n  nameTruncate: {\n    maxWidth: null,\n    ellipsis: '...',\n    placeholder: '.'\n  },\n  // Use global text style by default.\n  nameTextStyle: {},\n  // The gap between axisName and axisLine.\n  nameGap: 15,\n  // Default `false` to support tooltip.\n  silent: false,\n  // Default `false` to avoid legacy user event listener fail.\n  triggerEvent: false,\n  tooltip: {\n    show: false\n  },\n  axisPointer: {},\n  axisLine: {\n    show: true,\n    onZero: true,\n    onZeroAxisIndex: null,\n    lineStyle: {\n      color: '#6E7079',\n      width: 1,\n      type: 'solid'\n    },\n    // The arrow at both ends the the axis.\n    symbol: ['none', 'none'],\n    symbolSize: [10, 15]\n  },\n  axisTick: {\n    show: true,\n    // Whether axisTick is inside the grid or outside the grid.\n    inside: false,\n    // The length of axisTick.\n    length: 5,\n    lineStyle: {\n      width: 1\n    }\n  },\n  axisLabel: {\n    show: true,\n    // Whether axisLabel is inside the grid or outside the grid.\n    inside: false,\n    rotate: 0,\n    // true | false | null/undefined (auto)\n    showMinLabel: null,\n    // true | false | null/undefined (auto)\n    showMaxLabel: null,\n    margin: 8,\n    // formatter: null,\n    fontSize: 12\n  },\n  splitLine: {\n    show: true,\n    lineStyle: {\n      color: ['#E0E6F1'],\n      width: 1,\n      type: 'solid'\n    }\n  },\n  splitArea: {\n    show: false,\n    areaStyle: {\n      color: ['rgba(250,250,250,0.2)', 'rgba(210,219,238,0.2)']\n    }\n  }\n};\nvar categoryAxis = zrUtil.merge({\n  // The gap at both ends of the axis. For categoryAxis, boolean.\n  boundaryGap: true,\n  // Set false to faster category collection.\n  deduplication: null,\n  // splitArea: {\n  // show: false\n  // },\n  splitLine: {\n    show: false\n  },\n  axisTick: {\n    // If tick is align with label when boundaryGap is true\n    alignWithLabel: false,\n    interval: 'auto'\n  },\n  axisLabel: {\n    interval: 'auto'\n  }\n}, defaultOption);\nvar valueAxis = zrUtil.merge({\n  boundaryGap: [0, 0],\n  axisLine: {\n    // Not shown when other axis is categoryAxis in cartesian\n    show: 'auto'\n  },\n  axisTick: {\n    // Not shown when other axis is categoryAxis in cartesian\n    show: 'auto'\n  },\n  // TODO\n  // min/max: [30, datamin, 60] or [20, datamin] or [datamin, 60]\n  splitNumber: 5,\n  minorTick: {\n    // Minor tick, not available for cateogry axis.\n    show: false,\n    // Split number of minor ticks. The value should be in range of (0, 100)\n    splitNumber: 5,\n    // Lenght of minor tick\n    length: 3,\n    // Line style\n    lineStyle: {// Default to be same with axisTick\n    }\n  },\n  minorSplitLine: {\n    show: false,\n    lineStyle: {\n      color: '#F4F7FD',\n      width: 1\n    }\n  }\n}, defaultOption);\nvar timeAxis = zrUtil.merge({\n  scale: true,\n  splitNumber: 6,\n  axisLabel: {\n    // To eliminate labels that are not nice\n    showMinLabel: false,\n    showMaxLabel: false,\n    rich: {\n      primary: {\n        fontWeight: 'bold'\n      }\n    }\n  },\n  splitLine: {\n    show: false\n  }\n}, valueAxis);\nvar logAxis = zrUtil.defaults({\n  scale: true,\n  logBase: 10\n}, valueAxis);\nexport default {\n  category: categoryAxis,\n  value: valueAxis,\n  time: timeAxis,\n  log: logAxis\n};","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport var AXIS_TYPES = {\n  value: 1,\n  category: 1,\n  time: 1,\n  log: 1\n};","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport axisDefault from './axisDefault';\nimport { getLayoutParams, mergeLayoutParam, fetchLayoutMode } from '../util/layout';\nimport OrdinalMeta from '../data/OrdinalMeta';\nimport { AXIS_TYPES } from './axisCommonTypes';\nimport { each, merge } from 'zrender/lib/core/util';\n/**\n * Generate sub axis model class\n * @param axisName 'x' 'y' 'radius' 'angle' 'parallel' ...\n */\n\nexport default function axisModelCreator(registers, axisName, BaseAxisModelClass, extraDefaultOption) {\n  each(AXIS_TYPES, function (v, axisType) {\n    var defaultOption = merge(merge({}, axisDefault[axisType], true), extraDefaultOption, true);\n\n    var AxisModel =\n    /** @class */\n    function (_super) {\n      __extends(AxisModel, _super);\n\n      function AxisModel() {\n        var args = [];\n\n        for (var _i = 0; _i < arguments.length; _i++) {\n          args[_i] = arguments[_i];\n        }\n\n        var _this = _super.apply(this, args) || this;\n\n        _this.type = axisName + 'Axis.' + axisType;\n        return _this;\n      }\n\n      AxisModel.prototype.mergeDefaultAndTheme = function (option, ecModel) {\n        var layoutMode = fetchLayoutMode(this);\n        var inputPositionParams = layoutMode ? getLayoutParams(option) : {};\n        var themeModel = ecModel.getTheme();\n        merge(option, themeModel.get(axisType + 'Axis'));\n        merge(option, this.getDefaultOption());\n        option.type = getAxisType(option);\n\n        if (layoutMode) {\n          mergeLayoutParam(option, inputPositionParams, layoutMode);\n        }\n      };\n\n      AxisModel.prototype.optionUpdated = function () {\n        var thisOption = this.option;\n\n        if (thisOption.type === 'category') {\n          this.__ordinalMeta = OrdinalMeta.createByAxisModel(this);\n        }\n      };\n      /**\n       * Should not be called before all of 'getInitailData' finished.\n       * Because categories are collected during initializing data.\n       */\n\n\n      AxisModel.prototype.getCategories = function (rawData) {\n        var option = this.option; // FIXME\n        // warning if called before all of 'getInitailData' finished.\n\n        if (option.type === 'category') {\n          if (rawData) {\n            return option.data;\n          }\n\n          return this.__ordinalMeta.categories;\n        }\n      };\n\n      AxisModel.prototype.getOrdinalMeta = function () {\n        return this.__ordinalMeta;\n      };\n\n      AxisModel.type = axisName + 'Axis.' + axisType;\n      AxisModel.defaultOption = defaultOption;\n      return AxisModel;\n    }(BaseAxisModelClass);\n\n    registers.registerComponentModel(AxisModel);\n  });\n  registers.registerSubTypeDefaulter(axisName + 'Axis', getAxisType);\n}\n\nfunction getAxisType(option) {\n  // Default axis with data is category axis\n  return option.type || (option.data ? 'category' : 'value');\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport Cartesian from './Cartesian';\nimport { invert } from 'zrender/lib/core/matrix';\nimport { applyTransform } from 'zrender/lib/core/vector';\nexport var cartesian2DDimensions = ['x', 'y'];\n\nfunction canCalculateAffineTransform(scale) {\n  return scale.type === 'interval' || scale.type === 'time';\n}\n\nvar Cartesian2D =\n/** @class */\nfunction (_super) {\n  __extends(Cartesian2D, _super);\n\n  function Cartesian2D() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = 'cartesian2d';\n    _this.dimensions = cartesian2DDimensions;\n    return _this;\n  }\n  /**\n   * Calculate an affine transform matrix if two axes are time or value.\n   * It's mainly for accelartion on the large time series data.\n   */\n\n\n  Cartesian2D.prototype.calcAffineTransform = function () {\n    this._transform = this._invTransform = null;\n    var xAxisScale = this.getAxis('x').scale;\n    var yAxisScale = this.getAxis('y').scale;\n\n    if (!canCalculateAffineTransform(xAxisScale) || !canCalculateAffineTransform(yAxisScale)) {\n      return;\n    }\n\n    var xScaleExtent = xAxisScale.getExtent();\n    var yScaleExtent = yAxisScale.getExtent();\n    var start = this.dataToPoint([xScaleExtent[0], yScaleExtent[0]]);\n    var end = this.dataToPoint([xScaleExtent[1], yScaleExtent[1]]);\n    var xScaleSpan = xScaleExtent[1] - xScaleExtent[0];\n    var yScaleSpan = yScaleExtent[1] - yScaleExtent[0];\n\n    if (!xScaleSpan || !yScaleSpan) {\n      return;\n    } // Accelerate data to point calculation on the special large time series data.\n\n\n    var scaleX = (end[0] - start[0]) / xScaleSpan;\n    var scaleY = (end[1] - start[1]) / yScaleSpan;\n    var translateX = start[0] - xScaleExtent[0] * scaleX;\n    var translateY = start[1] - yScaleExtent[0] * scaleY;\n    var m = this._transform = [scaleX, 0, 0, scaleY, translateX, translateY];\n    this._invTransform = invert([], m);\n  };\n  /**\n   * Base axis will be used on stacking.\n   */\n\n\n  Cartesian2D.prototype.getBaseAxis = function () {\n    return this.getAxesByScale('ordinal')[0] || this.getAxesByScale('time')[0] || this.getAxis('x');\n  };\n\n  Cartesian2D.prototype.containPoint = function (point) {\n    var axisX = this.getAxis('x');\n    var axisY = this.getAxis('y');\n    return axisX.contain(axisX.toLocalCoord(point[0])) && axisY.contain(axisY.toLocalCoord(point[1]));\n  };\n\n  Cartesian2D.prototype.containData = function (data) {\n    return this.getAxis('x').containData(data[0]) && this.getAxis('y').containData(data[1]);\n  };\n\n  Cartesian2D.prototype.dataToPoint = function (data, reserved, out) {\n    out = out || [];\n    var xVal = data[0];\n    var yVal = data[1]; // Fast path\n\n    if (this._transform // It's supported that if data is like `[Inifity, 123]`, where only Y pixel calculated.\n    && xVal != null && isFinite(xVal) && yVal != null && isFinite(yVal)) {\n      return applyTransform(out, data, this._transform);\n    }\n\n    var xAxis = this.getAxis('x');\n    var yAxis = this.getAxis('y');\n    out[0] = xAxis.toGlobalCoord(xAxis.dataToCoord(xVal));\n    out[1] = yAxis.toGlobalCoord(yAxis.dataToCoord(yVal));\n    return out;\n  };\n\n  Cartesian2D.prototype.clampData = function (data, out) {\n    var xScale = this.getAxis('x').scale;\n    var yScale = this.getAxis('y').scale;\n    var xAxisExtent = xScale.getExtent();\n    var yAxisExtent = yScale.getExtent();\n    var x = xScale.parse(data[0]);\n    var y = yScale.parse(data[1]);\n    out = out || [];\n    out[0] = Math.min(Math.max(Math.min(xAxisExtent[0], xAxisExtent[1]), x), Math.max(xAxisExtent[0], xAxisExtent[1]));\n    out[1] = Math.min(Math.max(Math.min(yAxisExtent[0], yAxisExtent[1]), y), Math.max(yAxisExtent[0], yAxisExtent[1]));\n    return out;\n  };\n\n  Cartesian2D.prototype.pointToData = function (point, out) {\n    out = out || [];\n\n    if (this._invTransform) {\n      return applyTransform(out, point, this._invTransform);\n    }\n\n    var xAxis = this.getAxis('x');\n    var yAxis = this.getAxis('y');\n    out[0] = xAxis.coordToData(xAxis.toLocalCoord(point[0]));\n    out[1] = yAxis.coordToData(yAxis.toLocalCoord(point[1]));\n    return out;\n  };\n\n  Cartesian2D.prototype.getOtherAxis = function (axis) {\n    return this.getAxis(axis.dim === 'x' ? 'y' : 'x');\n  };\n  /**\n   * Get rect area of cartesian.\n   * Area will have a contain function to determine if a point is in the coordinate system.\n   */\n\n\n  Cartesian2D.prototype.getArea = function () {\n    var xExtent = this.getAxis('x').getGlobalExtent();\n    var yExtent = this.getAxis('y').getGlobalExtent();\n    var x = Math.min(xExtent[0], xExtent[1]);\n    var y = Math.min(yExtent[0], yExtent[1]);\n    var width = Math.max(xExtent[0], xExtent[1]) - x;\n    var height = Math.max(yExtent[0], yExtent[1]) - y;\n    return new BoundingRect(x, y, width, height);\n  };\n\n  return Cartesian2D;\n}(Cartesian);\n\n;\nexport default Cartesian2D;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport Axis from '../Axis';\n\nvar Axis2D =\n/** @class */\nfunction (_super) {\n  __extends(Axis2D, _super);\n\n  function Axis2D(dim, scale, coordExtent, axisType, position) {\n    var _this = _super.call(this, dim, scale, coordExtent) || this;\n    /**\n     * Index of axis, can be used as key\n     * Injected outside.\n     */\n\n\n    _this.index = 0;\n    _this.type = axisType || 'value';\n    _this.position = position || 'bottom';\n    return _this;\n  }\n\n  Axis2D.prototype.isHorizontal = function () {\n    var position = this.position;\n    return position === 'top' || position === 'bottom';\n  };\n  /**\n   * Each item cooresponds to this.getExtent(), which\n   * means globalExtent[0] may greater than globalExtent[1],\n   * unless `asc` is input.\n   *\n   * @param {boolean} [asc]\n   * @return {Array.<number>}\n   */\n\n\n  Axis2D.prototype.getGlobalExtent = function (asc) {\n    var ret = this.getExtent();\n    ret[0] = this.toGlobalCoord(ret[0]);\n    ret[1] = this.toGlobalCoord(ret[1]);\n    asc && ret[0] > ret[1] && ret.reverse();\n    return ret;\n  };\n\n  Axis2D.prototype.pointToData = function (point, clamp) {\n    return this.coordToData(this.toLocalCoord(point[this.dim === 'x' ? 0 : 1]), clamp);\n  };\n  /**\n   * Set ordinalSortInfo\n   * @param info new OrdinalSortInfo\n   */\n\n\n  Axis2D.prototype.setCategorySortInfo = function (info) {\n    if (this.type !== 'category') {\n      return false;\n    }\n\n    this.model.option.categorySortInfo = info;\n    this.scale.setSortInfo(info);\n  };\n\n  return Axis2D;\n}(Axis);\n\nexport default Axis2D;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { SINGLE_REFERRING } from '../../util/model';\n/**\n * Can only be called after coordinate system creation stage.\n * (Can be called before coordinate system update stage).\n */\n\nexport function layout(gridModel, axisModel, opt) {\n  opt = opt || {};\n  var grid = gridModel.coordinateSystem;\n  var axis = axisModel.axis;\n  var layout = {};\n  var otherAxisOnZeroOf = axis.getAxesOnZeroOf()[0];\n  var rawAxisPosition = axis.position;\n  var axisPosition = otherAxisOnZeroOf ? 'onZero' : rawAxisPosition;\n  var axisDim = axis.dim;\n  var rect = grid.getRect();\n  var rectBound = [rect.x, rect.x + rect.width, rect.y, rect.y + rect.height];\n  var idx = {\n    left: 0,\n    right: 1,\n    top: 0,\n    bottom: 1,\n    onZero: 2\n  };\n  var axisOffset = axisModel.get('offset') || 0;\n  var posBound = axisDim === 'x' ? [rectBound[2] - axisOffset, rectBound[3] + axisOffset] : [rectBound[0] - axisOffset, rectBound[1] + axisOffset];\n\n  if (otherAxisOnZeroOf) {\n    var onZeroCoord = otherAxisOnZeroOf.toGlobalCoord(otherAxisOnZeroOf.dataToCoord(0));\n    posBound[idx.onZero] = Math.max(Math.min(onZeroCoord, posBound[1]), posBound[0]);\n  } // Axis position\n\n\n  layout.position = [axisDim === 'y' ? posBound[idx[axisPosition]] : rectBound[0], axisDim === 'x' ? posBound[idx[axisPosition]] : rectBound[3]]; // Axis rotation\n\n  layout.rotation = Math.PI / 2 * (axisDim === 'x' ? 0 : 1); // Tick and label direction, x y is axisDim\n\n  var dirMap = {\n    top: -1,\n    bottom: 1,\n    left: -1,\n    right: 1\n  };\n  layout.labelDirection = layout.tickDirection = layout.nameDirection = dirMap[rawAxisPosition];\n  layout.labelOffset = otherAxisOnZeroOf ? posBound[idx[rawAxisPosition]] - posBound[idx.onZero] : 0;\n\n  if (axisModel.get(['axisTick', 'inside'])) {\n    layout.tickDirection = -layout.tickDirection;\n  }\n\n  if (zrUtil.retrieve(opt.labelInside, axisModel.get(['axisLabel', 'inside']))) {\n    layout.labelDirection = -layout.labelDirection;\n  } // Special label rotation\n\n\n  var labelRotate = axisModel.get(['axisLabel', 'rotate']);\n  layout.labelRotate = axisPosition === 'top' ? -labelRotate : labelRotate; // Over splitLine and splitArea\n\n  layout.z2 = 1;\n  return layout;\n}\nexport function isCartesian2DSeries(seriesModel) {\n  return seriesModel.get('coordinateSystem') === 'cartesian2d';\n}\nexport function findAxisModels(seriesModel) {\n  var axisModelMap = {\n    xAxisModel: null,\n    yAxisModel: null\n  };\n  zrUtil.each(axisModelMap, function (v, key) {\n    var axisType = key.replace(/Model$/, '');\n    var axisModel = seriesModel.getReferringComponents(axisType, SINGLE_REFERRING).models[0];\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (!axisModel) {\n        throw new Error(axisType + ' \"' + zrUtil.retrieve3(seriesModel.get(axisType + 'Index'), seriesModel.get(axisType + 'Id'), 0) + '\" not found');\n      }\n    }\n\n    axisModelMap[key] = axisModel;\n  });\n  return axisModelMap;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Grid is a region which contains at most 4 cartesian systems\n *\n * TODO Default cartesian\n */\nimport { isObject, each, indexOf, retrieve3 } from 'zrender/lib/core/util';\nimport { getLayoutRect } from '../../util/layout';\nimport { createScaleByModel, ifAxisCrossZero, niceScaleExtent, estimateLabelUnionRect, getDataDimensionsOnAxis } from '../../coord/axisHelper';\nimport Cartesian2D, { cartesian2DDimensions } from './Cartesian2D';\nimport Axis2D from './Axis2D';\nimport { SINGLE_REFERRING } from '../../util/model';\nimport { isCartesian2DSeries, findAxisModels } from './cartesianAxisHelper';\n\nvar Grid =\n/** @class */\nfunction () {\n  function Grid(gridModel, ecModel, api) {\n    // FIXME:TS where used (different from registered type 'cartesian2d')?\n    this.type = 'grid';\n    this._coordsMap = {};\n    this._coordsList = [];\n    this._axesMap = {};\n    this._axesList = [];\n    this.axisPointerEnabled = true;\n    this.dimensions = cartesian2DDimensions;\n\n    this._initCartesian(gridModel, ecModel, api);\n\n    this.model = gridModel;\n  }\n\n  Grid.prototype.getRect = function () {\n    return this._rect;\n  };\n\n  Grid.prototype.update = function (ecModel, api) {\n    var axesMap = this._axesMap;\n\n    this._updateScale(ecModel, this.model);\n\n    each(axesMap.x, function (xAxis) {\n      niceScaleExtent(xAxis.scale, xAxis.model);\n    });\n    each(axesMap.y, function (yAxis) {\n      niceScaleExtent(yAxis.scale, yAxis.model);\n    }); // Key: axisDim_axisIndex, value: boolean, whether onZero target.\n\n    var onZeroRecords = {};\n    each(axesMap.x, function (xAxis) {\n      fixAxisOnZero(axesMap, 'y', xAxis, onZeroRecords);\n    });\n    each(axesMap.y, function (yAxis) {\n      fixAxisOnZero(axesMap, 'x', yAxis, onZeroRecords);\n    }); // Resize again if containLabel is enabled\n    // FIXME It may cause getting wrong grid size in data processing stage\n\n    this.resize(this.model, api);\n  };\n  /**\n   * Resize the grid\n   */\n\n\n  Grid.prototype.resize = function (gridModel, api, ignoreContainLabel) {\n    var boxLayoutParams = gridModel.getBoxLayoutParams();\n    var isContainLabel = !ignoreContainLabel && gridModel.get('containLabel');\n    var gridRect = getLayoutRect(boxLayoutParams, {\n      width: api.getWidth(),\n      height: api.getHeight()\n    });\n    this._rect = gridRect;\n    var axesList = this._axesList;\n    adjustAxes(); // Minus label size\n\n    if (isContainLabel) {\n      each(axesList, function (axis) {\n        if (!axis.model.get(['axisLabel', 'inside'])) {\n          var labelUnionRect = estimateLabelUnionRect(axis);\n\n          if (labelUnionRect) {\n            var dim = axis.isHorizontal() ? 'height' : 'width';\n            var margin = axis.model.get(['axisLabel', 'margin']);\n            gridRect[dim] -= labelUnionRect[dim] + margin;\n\n            if (axis.position === 'top') {\n              gridRect.y += labelUnionRect.height + margin;\n            } else if (axis.position === 'left') {\n              gridRect.x += labelUnionRect.width + margin;\n            }\n          }\n        }\n      });\n      adjustAxes();\n    }\n\n    each(this._coordsList, function (coord) {\n      // Calculate affine matrix to accelerate the data to point transform.\n      // If all the axes scales are time or value.\n      coord.calcAffineTransform();\n    });\n\n    function adjustAxes() {\n      each(axesList, function (axis) {\n        var isHorizontal = axis.isHorizontal();\n        var extent = isHorizontal ? [0, gridRect.width] : [0, gridRect.height];\n        var idx = axis.inverse ? 1 : 0;\n        axis.setExtent(extent[idx], extent[1 - idx]);\n        updateAxisTransform(axis, isHorizontal ? gridRect.x : gridRect.y);\n      });\n    }\n  };\n\n  Grid.prototype.getAxis = function (dim, axisIndex) {\n    var axesMapOnDim = this._axesMap[dim];\n\n    if (axesMapOnDim != null) {\n      return axesMapOnDim[axisIndex || 0]; // if (axisIndex == null) {\n      //     Find first axis\n      //     for (let name in axesMapOnDim) {\n      //         if (axesMapOnDim.hasOwnProperty(name)) {\n      //             return axesMapOnDim[name];\n      //         }\n      //     }\n      // }\n      // return axesMapOnDim[axisIndex];\n    }\n  };\n\n  Grid.prototype.getAxes = function () {\n    return this._axesList.slice();\n  };\n\n  Grid.prototype.getCartesian = function (xAxisIndex, yAxisIndex) {\n    if (xAxisIndex != null && yAxisIndex != null) {\n      var key = 'x' + xAxisIndex + 'y' + yAxisIndex;\n      return this._coordsMap[key];\n    }\n\n    if (isObject(xAxisIndex)) {\n      yAxisIndex = xAxisIndex.yAxisIndex;\n      xAxisIndex = xAxisIndex.xAxisIndex;\n    }\n\n    for (var i = 0, coordList = this._coordsList; i < coordList.length; i++) {\n      if (coordList[i].getAxis('x').index === xAxisIndex || coordList[i].getAxis('y').index === yAxisIndex) {\n        return coordList[i];\n      }\n    }\n  };\n\n  Grid.prototype.getCartesians = function () {\n    return this._coordsList.slice();\n  };\n  /**\n   * @implements\n   */\n\n\n  Grid.prototype.convertToPixel = function (ecModel, finder, value) {\n    var target = this._findConvertTarget(finder);\n\n    return target.cartesian ? target.cartesian.dataToPoint(value) : target.axis ? target.axis.toGlobalCoord(target.axis.dataToCoord(value)) : null;\n  };\n  /**\n   * @implements\n   */\n\n\n  Grid.prototype.convertFromPixel = function (ecModel, finder, value) {\n    var target = this._findConvertTarget(finder);\n\n    return target.cartesian ? target.cartesian.pointToData(value) : target.axis ? target.axis.coordToData(target.axis.toLocalCoord(value)) : null;\n  };\n\n  Grid.prototype._findConvertTarget = function (finder) {\n    var seriesModel = finder.seriesModel;\n    var xAxisModel = finder.xAxisModel || seriesModel && seriesModel.getReferringComponents('xAxis', SINGLE_REFERRING).models[0];\n    var yAxisModel = finder.yAxisModel || seriesModel && seriesModel.getReferringComponents('yAxis', SINGLE_REFERRING).models[0];\n    var gridModel = finder.gridModel;\n    var coordsList = this._coordsList;\n    var cartesian;\n    var axis;\n\n    if (seriesModel) {\n      cartesian = seriesModel.coordinateSystem;\n      indexOf(coordsList, cartesian) < 0 && (cartesian = null);\n    } else if (xAxisModel && yAxisModel) {\n      cartesian = this.getCartesian(xAxisModel.componentIndex, yAxisModel.componentIndex);\n    } else if (xAxisModel) {\n      axis = this.getAxis('x', xAxisModel.componentIndex);\n    } else if (yAxisModel) {\n      axis = this.getAxis('y', yAxisModel.componentIndex);\n    } // Lowest priority.\n    else if (gridModel) {\n        var grid = gridModel.coordinateSystem;\n\n        if (grid === this) {\n          cartesian = this._coordsList[0];\n        }\n      }\n\n    return {\n      cartesian: cartesian,\n      axis: axis\n    };\n  };\n  /**\n   * @implements\n   */\n\n\n  Grid.prototype.containPoint = function (point) {\n    var coord = this._coordsList[0];\n\n    if (coord) {\n      return coord.containPoint(point);\n    }\n  };\n  /**\n   * Initialize cartesian coordinate systems\n   */\n\n\n  Grid.prototype._initCartesian = function (gridModel, ecModel, api) {\n    var _this = this;\n\n    var grid = this;\n    var axisPositionUsed = {\n      left: false,\n      right: false,\n      top: false,\n      bottom: false\n    };\n    var axesMap = {\n      x: {},\n      y: {}\n    };\n    var axesCount = {\n      x: 0,\n      y: 0\n    }; /// Create axis\n\n    ecModel.eachComponent('xAxis', createAxisCreator('x'), this);\n    ecModel.eachComponent('yAxis', createAxisCreator('y'), this);\n\n    if (!axesCount.x || !axesCount.y) {\n      // Roll back when there no either x or y axis\n      this._axesMap = {};\n      this._axesList = [];\n      return;\n    }\n\n    this._axesMap = axesMap; /// Create cartesian2d\n\n    each(axesMap.x, function (xAxis, xAxisIndex) {\n      each(axesMap.y, function (yAxis, yAxisIndex) {\n        var key = 'x' + xAxisIndex + 'y' + yAxisIndex;\n        var cartesian = new Cartesian2D(key);\n        cartesian.master = _this;\n        cartesian.model = gridModel;\n        _this._coordsMap[key] = cartesian;\n\n        _this._coordsList.push(cartesian);\n\n        cartesian.addAxis(xAxis);\n        cartesian.addAxis(yAxis);\n      });\n    });\n\n    function createAxisCreator(dimName) {\n      return function (axisModel, idx) {\n        if (!isAxisUsedInTheGrid(axisModel, gridModel)) {\n          return;\n        }\n\n        var axisPosition = axisModel.get('position');\n\n        if (dimName === 'x') {\n          // Fix position\n          if (axisPosition !== 'top' && axisPosition !== 'bottom') {\n            // Default bottom of X\n            axisPosition = axisPositionUsed.bottom ? 'top' : 'bottom';\n          }\n        } else {\n          // Fix position\n          if (axisPosition !== 'left' && axisPosition !== 'right') {\n            // Default left of Y\n            axisPosition = axisPositionUsed.left ? 'right' : 'left';\n          }\n        }\n\n        axisPositionUsed[axisPosition] = true;\n        var axis = new Axis2D(dimName, createScaleByModel(axisModel), [0, 0], axisModel.get('type'), axisPosition);\n        var isCategory = axis.type === 'category';\n        axis.onBand = isCategory && axisModel.get('boundaryGap');\n        axis.inverse = axisModel.get('inverse'); // Inject axis into axisModel\n\n        axisModel.axis = axis; // Inject axisModel into axis\n\n        axis.model = axisModel; // Inject grid info axis\n\n        axis.grid = grid; // Index of axis, can be used as key\n\n        axis.index = idx;\n\n        grid._axesList.push(axis);\n\n        axesMap[dimName][idx] = axis;\n        axesCount[dimName]++;\n      };\n    }\n  };\n  /**\n   * Update cartesian properties from series.\n   */\n\n\n  Grid.prototype._updateScale = function (ecModel, gridModel) {\n    // Reset scale\n    each(this._axesList, function (axis) {\n      axis.scale.setExtent(Infinity, -Infinity);\n\n      if (axis.type === 'category') {\n        var categorySortInfo = axis.model.get('categorySortInfo');\n        axis.scale.setSortInfo(categorySortInfo);\n      }\n    });\n    ecModel.eachSeries(function (seriesModel) {\n      if (isCartesian2DSeries(seriesModel)) {\n        var axesModelMap = findAxisModels(seriesModel);\n        var xAxisModel = axesModelMap.xAxisModel;\n        var yAxisModel = axesModelMap.yAxisModel;\n\n        if (!isAxisUsedInTheGrid(xAxisModel, gridModel) || !isAxisUsedInTheGrid(yAxisModel, gridModel)) {\n          return;\n        }\n\n        var cartesian = this.getCartesian(xAxisModel.componentIndex, yAxisModel.componentIndex);\n        var data = seriesModel.getData();\n        var xAxis = cartesian.getAxis('x');\n        var yAxis = cartesian.getAxis('y');\n\n        if (data.type === 'list') {\n          unionExtent(data, xAxis);\n          unionExtent(data, yAxis);\n        }\n      }\n    }, this);\n\n    function unionExtent(data, axis) {\n      each(getDataDimensionsOnAxis(data, axis.dim), function (dim) {\n        axis.scale.unionExtentFromData(data, dim);\n      });\n    }\n  };\n  /**\n   * @param dim 'x' or 'y' or 'auto' or null/undefined\n   */\n\n\n  Grid.prototype.getTooltipAxes = function (dim) {\n    var baseAxes = [];\n    var otherAxes = [];\n    each(this.getCartesians(), function (cartesian) {\n      var baseAxis = dim != null && dim !== 'auto' ? cartesian.getAxis(dim) : cartesian.getBaseAxis();\n      var otherAxis = cartesian.getOtherAxis(baseAxis);\n      indexOf(baseAxes, baseAxis) < 0 && baseAxes.push(baseAxis);\n      indexOf(otherAxes, otherAxis) < 0 && otherAxes.push(otherAxis);\n    });\n    return {\n      baseAxes: baseAxes,\n      otherAxes: otherAxes\n    };\n  };\n\n  Grid.create = function (ecModel, api) {\n    var grids = [];\n    ecModel.eachComponent('grid', function (gridModel, idx) {\n      var grid = new Grid(gridModel, ecModel, api);\n      grid.name = 'grid_' + idx; // dataSampling requires axis extent, so resize\n      // should be performed in create stage.\n\n      grid.resize(gridModel, api, true);\n      gridModel.coordinateSystem = grid;\n      grids.push(grid);\n    }); // Inject the coordinateSystems into seriesModel\n\n    ecModel.eachSeries(function (seriesModel) {\n      if (!isCartesian2DSeries(seriesModel)) {\n        return;\n      }\n\n      var axesModelMap = findAxisModels(seriesModel);\n      var xAxisModel = axesModelMap.xAxisModel;\n      var yAxisModel = axesModelMap.yAxisModel;\n      var gridModel = xAxisModel.getCoordSysModel();\n\n      if (process.env.NODE_ENV !== 'production') {\n        if (!gridModel) {\n          throw new Error('Grid \"' + retrieve3(xAxisModel.get('gridIndex'), xAxisModel.get('gridId'), 0) + '\" not found');\n        }\n\n        if (xAxisModel.getCoordSysModel() !== yAxisModel.getCoordSysModel()) {\n          throw new Error('xAxis and yAxis must use the same grid');\n        }\n      }\n\n      var grid = gridModel.coordinateSystem;\n      seriesModel.coordinateSystem = grid.getCartesian(xAxisModel.componentIndex, yAxisModel.componentIndex);\n    });\n    return grids;\n  }; // For deciding which dimensions to use when creating list data\n\n\n  Grid.dimensions = cartesian2DDimensions;\n  return Grid;\n}();\n/**\n * Check if the axis is used in the specified grid.\n */\n\n\nfunction isAxisUsedInTheGrid(axisModel, gridModel) {\n  return axisModel.getCoordSysModel() === gridModel;\n}\n\nfunction fixAxisOnZero(axesMap, otherAxisDim, axis, // Key: see `getOnZeroRecordKey`\nonZeroRecords) {\n  axis.getAxesOnZeroOf = function () {\n    // TODO: onZero of multiple axes.\n    return otherAxisOnZeroOf ? [otherAxisOnZeroOf] : [];\n  }; // onZero can not be enabled in these two situations:\n  // 1. When any other axis is a category axis.\n  // 2. When no axis is cross 0 point.\n\n\n  var otherAxes = axesMap[otherAxisDim];\n  var otherAxisOnZeroOf;\n  var axisModel = axis.model;\n  var onZero = axisModel.get(['axisLine', 'onZero']);\n  var onZeroAxisIndex = axisModel.get(['axisLine', 'onZeroAxisIndex']);\n\n  if (!onZero) {\n    return;\n  } // If target axis is specified.\n\n\n  if (onZeroAxisIndex != null) {\n    if (canOnZeroToAxis(otherAxes[onZeroAxisIndex])) {\n      otherAxisOnZeroOf = otherAxes[onZeroAxisIndex];\n    }\n  } else {\n    // Find the first available other axis.\n    for (var idx in otherAxes) {\n      if (otherAxes.hasOwnProperty(idx) && canOnZeroToAxis(otherAxes[idx]) // Consider that two Y axes on one value axis,\n      // if both onZero, the two Y axes overlap.\n      && !onZeroRecords[getOnZeroRecordKey(otherAxes[idx])]) {\n        otherAxisOnZeroOf = otherAxes[idx];\n        break;\n      }\n    }\n  }\n\n  if (otherAxisOnZeroOf) {\n    onZeroRecords[getOnZeroRecordKey(otherAxisOnZeroOf)] = true;\n  }\n\n  function getOnZeroRecordKey(axis) {\n    return axis.dim + '_' + axis.index;\n  }\n}\n\nfunction canOnZeroToAxis(axis) {\n  return axis && axis.type !== 'category' && axis.type !== 'time' && ifAxisCrossZero(axis);\n}\n\nfunction updateAxisTransform(axis, coordBase) {\n  var axisExtent = axis.getExtent();\n  var axisExtentSum = axisExtent[0] + axisExtent[1]; // Fast transform\n\n  axis.toGlobalCoord = axis.dim === 'x' ? function (coord) {\n    return coord + coordBase;\n  } : function (coord) {\n    return axisExtentSum - coord + coordBase;\n  };\n  axis.toLocalCoord = axis.dim === 'x' ? function (coord) {\n    return coord - coordBase;\n  } : function (coord) {\n    return axisExtentSum - coord + coordBase;\n  };\n}\n\nexport default Grid;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { retrieve, defaults, extend, each, isObject } from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport { getECData } from '../../util/innerStore';\nimport { createTextStyle } from '../../label/labelStyle';\nimport Model from '../../model/Model';\nimport { isRadianAroundZero, remRadian } from '../../util/number';\nimport { createSymbol } from '../../util/symbol';\nimport * as matrixUtil from 'zrender/lib/core/matrix';\nimport { applyTransform as v2ApplyTransform } from 'zrender/lib/core/vector';\nimport { shouldShowAllLabels } from '../../coord/axisHelper';\nvar PI = Math.PI;\n/**\n * A final axis is translated and rotated from a \"standard axis\".\n * So opt.position and opt.rotation is required.\n *\n * A standard axis is and axis from [0, 0] to [0, axisExtent[1]],\n * for example: (0, 0) ------------> (0, 50)\n *\n * nameDirection or tickDirection or labelDirection is 1 means tick\n * or label is below the standard axis, whereas is -1 means above\n * the standard axis. labelOffset means offset between label and axis,\n * which is useful when 'onZero', where axisLabel is in the grid and\n * label in outside grid.\n *\n * Tips: like always,\n * positive rotation represents anticlockwise, and negative rotation\n * represents clockwise.\n * The direction of position coordinate is the same as the direction\n * of screen coordinate.\n *\n * Do not need to consider axis 'inverse', which is auto processed by\n * axis extent.\n */\n\nvar AxisBuilder =\n/** @class */\nfunction () {\n  function AxisBuilder(axisModel, opt) {\n    this.group = new graphic.Group();\n    this.opt = opt;\n    this.axisModel = axisModel; // Default value\n\n    defaults(opt, {\n      labelOffset: 0,\n      nameDirection: 1,\n      tickDirection: 1,\n      labelDirection: 1,\n      silent: true,\n      handleAutoShown: function () {\n        return true;\n      }\n    }); // FIXME Not use a seperate text group?\n\n    var transformGroup = new graphic.Group({\n      x: opt.position[0],\n      y: opt.position[1],\n      rotation: opt.rotation\n    }); // this.group.add(transformGroup);\n    // this._transformGroup = transformGroup;\n\n    transformGroup.updateTransform();\n    this._transformGroup = transformGroup;\n  }\n\n  AxisBuilder.prototype.hasBuilder = function (name) {\n    return !!builders[name];\n  };\n\n  AxisBuilder.prototype.add = function (name) {\n    builders[name](this.opt, this.axisModel, this.group, this._transformGroup);\n  };\n\n  AxisBuilder.prototype.getGroup = function () {\n    return this.group;\n  };\n\n  AxisBuilder.innerTextLayout = function (axisRotation, textRotation, direction) {\n    var rotationDiff = remRadian(textRotation - axisRotation);\n    var textAlign;\n    var textVerticalAlign;\n\n    if (isRadianAroundZero(rotationDiff)) {\n      // Label is parallel with axis line.\n      textVerticalAlign = direction > 0 ? 'top' : 'bottom';\n      textAlign = 'center';\n    } else if (isRadianAroundZero(rotationDiff - PI)) {\n      // Label is inverse parallel with axis line.\n      textVerticalAlign = direction > 0 ? 'bottom' : 'top';\n      textAlign = 'center';\n    } else {\n      textVerticalAlign = 'middle';\n\n      if (rotationDiff > 0 && rotationDiff < PI) {\n        textAlign = direction > 0 ? 'right' : 'left';\n      } else {\n        textAlign = direction > 0 ? 'left' : 'right';\n      }\n    }\n\n    return {\n      rotation: rotationDiff,\n      textAlign: textAlign,\n      textVerticalAlign: textVerticalAlign\n    };\n  };\n\n  AxisBuilder.makeAxisEventDataBase = function (axisModel) {\n    var eventData = {\n      componentType: axisModel.mainType,\n      componentIndex: axisModel.componentIndex\n    };\n    eventData[axisModel.mainType + 'Index'] = axisModel.componentIndex;\n    return eventData;\n  };\n\n  AxisBuilder.isLabelSilent = function (axisModel) {\n    var tooltipOpt = axisModel.get('tooltip');\n    return axisModel.get('silent') // Consider mouse cursor, add these restrictions.\n    || !(axisModel.get('triggerEvent') || tooltipOpt && tooltipOpt.show);\n  };\n\n  return AxisBuilder;\n}();\n\n;\nvar builders = {\n  axisLine: function (opt, axisModel, group, transformGroup) {\n    var shown = axisModel.get(['axisLine', 'show']);\n\n    if (shown === 'auto' && opt.handleAutoShown) {\n      shown = opt.handleAutoShown('axisLine');\n    }\n\n    if (!shown) {\n      return;\n    }\n\n    var extent = axisModel.axis.getExtent();\n    var matrix = transformGroup.transform;\n    var pt1 = [extent[0], 0];\n    var pt2 = [extent[1], 0];\n\n    if (matrix) {\n      v2ApplyTransform(pt1, pt1, matrix);\n      v2ApplyTransform(pt2, pt2, matrix);\n    }\n\n    var lineStyle = extend({\n      lineCap: 'round'\n    }, axisModel.getModel(['axisLine', 'lineStyle']).getLineStyle());\n    var line = new graphic.Line({\n      // Id for animation\n      subPixelOptimize: true,\n      shape: {\n        x1: pt1[0],\n        y1: pt1[1],\n        x2: pt2[0],\n        y2: pt2[1]\n      },\n      style: lineStyle,\n      strokeContainThreshold: opt.strokeContainThreshold || 5,\n      silent: true,\n      z2: 1\n    });\n    line.anid = 'line';\n    group.add(line);\n    var arrows = axisModel.get(['axisLine', 'symbol']);\n    var arrowSize = axisModel.get(['axisLine', 'symbolSize']);\n    var arrowOffset = axisModel.get(['axisLine', 'symbolOffset']) || 0;\n\n    if (typeof arrowOffset === 'number') {\n      arrowOffset = [arrowOffset, arrowOffset];\n    }\n\n    if (arrows != null) {\n      if (typeof arrows === 'string') {\n        // Use the same arrow for start and end point\n        arrows = [arrows, arrows];\n      }\n\n      if (typeof arrowSize === 'string' || typeof arrowSize === 'number') {\n        // Use the same size for width and height\n        arrowSize = [arrowSize, arrowSize];\n      }\n\n      var symbolWidth_1 = arrowSize[0];\n      var symbolHeight_1 = arrowSize[1];\n      each([{\n        rotate: opt.rotation + Math.PI / 2,\n        offset: arrowOffset[0],\n        r: 0\n      }, {\n        rotate: opt.rotation - Math.PI / 2,\n        offset: arrowOffset[1],\n        r: Math.sqrt((pt1[0] - pt2[0]) * (pt1[0] - pt2[0]) + (pt1[1] - pt2[1]) * (pt1[1] - pt2[1]))\n      }], function (point, index) {\n        if (arrows[index] !== 'none' && arrows[index] != null) {\n          var symbol = createSymbol(arrows[index], -symbolWidth_1 / 2, -symbolHeight_1 / 2, symbolWidth_1, symbolHeight_1, lineStyle.stroke, true); // Calculate arrow position with offset\n\n          var r = point.r + point.offset;\n          symbol.attr({\n            rotation: point.rotate,\n            x: pt1[0] + r * Math.cos(opt.rotation),\n            y: pt1[1] - r * Math.sin(opt.rotation),\n            silent: true,\n            z2: 11\n          });\n          group.add(symbol);\n        }\n      });\n    }\n  },\n  axisTickLabel: function (opt, axisModel, group, transformGroup) {\n    var ticksEls = buildAxisMajorTicks(group, transformGroup, axisModel, opt);\n    var labelEls = buildAxisLabel(group, transformGroup, axisModel, opt);\n    fixMinMaxLabelShow(axisModel, labelEls, ticksEls);\n    buildAxisMinorTicks(group, transformGroup, axisModel, opt.tickDirection);\n  },\n  axisName: function (opt, axisModel, group, transformGroup) {\n    var name = retrieve(opt.axisName, axisModel.get('name'));\n\n    if (!name) {\n      return;\n    }\n\n    var nameLocation = axisModel.get('nameLocation');\n    var nameDirection = opt.nameDirection;\n    var textStyleModel = axisModel.getModel('nameTextStyle');\n    var gap = axisModel.get('nameGap') || 0;\n    var extent = axisModel.axis.getExtent();\n    var gapSignal = extent[0] > extent[1] ? -1 : 1;\n    var pos = [nameLocation === 'start' ? extent[0] - gapSignal * gap : nameLocation === 'end' ? extent[1] + gapSignal * gap : (extent[0] + extent[1]) / 2, // Reuse labelOffset.\n    isNameLocationCenter(nameLocation) ? opt.labelOffset + nameDirection * gap : 0];\n    var labelLayout;\n    var nameRotation = axisModel.get('nameRotate');\n\n    if (nameRotation != null) {\n      nameRotation = nameRotation * PI / 180; // To radian.\n    }\n\n    var axisNameAvailableWidth;\n\n    if (isNameLocationCenter(nameLocation)) {\n      labelLayout = AxisBuilder.innerTextLayout(opt.rotation, nameRotation != null ? nameRotation : opt.rotation, // Adapt to axis.\n      nameDirection);\n    } else {\n      labelLayout = endTextLayout(opt.rotation, nameLocation, nameRotation || 0, extent);\n      axisNameAvailableWidth = opt.axisNameAvailableWidth;\n\n      if (axisNameAvailableWidth != null) {\n        axisNameAvailableWidth = Math.abs(axisNameAvailableWidth / Math.sin(labelLayout.rotation));\n        !isFinite(axisNameAvailableWidth) && (axisNameAvailableWidth = null);\n      }\n    }\n\n    var textFont = textStyleModel.getFont();\n    var truncateOpt = axisModel.get('nameTruncate', true) || {};\n    var ellipsis = truncateOpt.ellipsis;\n    var maxWidth = retrieve(opt.nameTruncateMaxWidth, truncateOpt.maxWidth, axisNameAvailableWidth);\n    var textEl = new graphic.Text({\n      x: pos[0],\n      y: pos[1],\n      rotation: labelLayout.rotation,\n      silent: AxisBuilder.isLabelSilent(axisModel),\n      style: createTextStyle(textStyleModel, {\n        text: name,\n        font: textFont,\n        overflow: 'truncate',\n        width: maxWidth,\n        ellipsis: ellipsis,\n        fill: textStyleModel.getTextColor() || axisModel.get(['axisLine', 'lineStyle', 'color']),\n        align: textStyleModel.get('align') || labelLayout.textAlign,\n        verticalAlign: textStyleModel.get('verticalAlign') || labelLayout.textVerticalAlign\n      }),\n      z2: 1\n    });\n    graphic.setTooltipConfig({\n      el: textEl,\n      componentModel: axisModel,\n      itemName: name\n    });\n    textEl.__fullText = name; // Id for animation\n\n    textEl.anid = 'name';\n\n    if (axisModel.get('triggerEvent')) {\n      var eventData = AxisBuilder.makeAxisEventDataBase(axisModel);\n      eventData.targetType = 'axisName';\n      eventData.name = name;\n      getECData(textEl).eventData = eventData;\n    } // FIXME\n\n\n    transformGroup.add(textEl);\n    textEl.updateTransform();\n    group.add(textEl);\n    textEl.decomposeTransform();\n  }\n};\n\nfunction endTextLayout(rotation, textPosition, textRotate, extent) {\n  var rotationDiff = remRadian(textRotate - rotation);\n  var textAlign;\n  var textVerticalAlign;\n  var inverse = extent[0] > extent[1];\n  var onLeft = textPosition === 'start' && !inverse || textPosition !== 'start' && inverse;\n\n  if (isRadianAroundZero(rotationDiff - PI / 2)) {\n    textVerticalAlign = onLeft ? 'bottom' : 'top';\n    textAlign = 'center';\n  } else if (isRadianAroundZero(rotationDiff - PI * 1.5)) {\n    textVerticalAlign = onLeft ? 'top' : 'bottom';\n    textAlign = 'center';\n  } else {\n    textVerticalAlign = 'middle';\n\n    if (rotationDiff < PI * 1.5 && rotationDiff > PI / 2) {\n      textAlign = onLeft ? 'left' : 'right';\n    } else {\n      textAlign = onLeft ? 'right' : 'left';\n    }\n  }\n\n  return {\n    rotation: rotationDiff,\n    textAlign: textAlign,\n    textVerticalAlign: textVerticalAlign\n  };\n}\n\nfunction fixMinMaxLabelShow(axisModel, labelEls, tickEls) {\n  if (shouldShowAllLabels(axisModel.axis)) {\n    return;\n  } // If min or max are user set, we need to check\n  // If the tick on min(max) are overlap on their neighbour tick\n  // If they are overlapped, we need to hide the min(max) tick label\n\n\n  var showMinLabel = axisModel.get(['axisLabel', 'showMinLabel']);\n  var showMaxLabel = axisModel.get(['axisLabel', 'showMaxLabel']); // FIXME\n  // Have not consider onBand yet, where tick els is more than label els.\n\n  labelEls = labelEls || [];\n  tickEls = tickEls || [];\n  var firstLabel = labelEls[0];\n  var nextLabel = labelEls[1];\n  var lastLabel = labelEls[labelEls.length - 1];\n  var prevLabel = labelEls[labelEls.length - 2];\n  var firstTick = tickEls[0];\n  var nextTick = tickEls[1];\n  var lastTick = tickEls[tickEls.length - 1];\n  var prevTick = tickEls[tickEls.length - 2];\n\n  if (showMinLabel === false) {\n    ignoreEl(firstLabel);\n    ignoreEl(firstTick);\n  } else if (isTwoLabelOverlapped(firstLabel, nextLabel)) {\n    if (showMinLabel) {\n      ignoreEl(nextLabel);\n      ignoreEl(nextTick);\n    } else {\n      ignoreEl(firstLabel);\n      ignoreEl(firstTick);\n    }\n  }\n\n  if (showMaxLabel === false) {\n    ignoreEl(lastLabel);\n    ignoreEl(lastTick);\n  } else if (isTwoLabelOverlapped(prevLabel, lastLabel)) {\n    if (showMaxLabel) {\n      ignoreEl(prevLabel);\n      ignoreEl(prevTick);\n    } else {\n      ignoreEl(lastLabel);\n      ignoreEl(lastTick);\n    }\n  }\n}\n\nfunction ignoreEl(el) {\n  el && (el.ignore = true);\n}\n\nfunction isTwoLabelOverlapped(current, next) {\n  // current and next has the same rotation.\n  var firstRect = current && current.getBoundingRect().clone();\n  var nextRect = next && next.getBoundingRect().clone();\n\n  if (!firstRect || !nextRect) {\n    return;\n  } // When checking intersect of two rotated labels, we use mRotationBack\n  // to avoid that boundingRect is enlarge when using `boundingRect.applyTransform`.\n\n\n  var mRotationBack = matrixUtil.identity([]);\n  matrixUtil.rotate(mRotationBack, mRotationBack, -current.rotation);\n  firstRect.applyTransform(matrixUtil.mul([], mRotationBack, current.getLocalTransform()));\n  nextRect.applyTransform(matrixUtil.mul([], mRotationBack, next.getLocalTransform()));\n  return firstRect.intersect(nextRect);\n}\n\nfunction isNameLocationCenter(nameLocation) {\n  return nameLocation === 'middle' || nameLocation === 'center';\n}\n\nfunction createTicks(ticksCoords, tickTransform, tickEndCoord, tickLineStyle, anidPrefix) {\n  var tickEls = [];\n  var pt1 = [];\n  var pt2 = [];\n\n  for (var i = 0; i < ticksCoords.length; i++) {\n    var tickCoord = ticksCoords[i].coord;\n    pt1[0] = tickCoord;\n    pt1[1] = 0;\n    pt2[0] = tickCoord;\n    pt2[1] = tickEndCoord;\n\n    if (tickTransform) {\n      v2ApplyTransform(pt1, pt1, tickTransform);\n      v2ApplyTransform(pt2, pt2, tickTransform);\n    } // Tick line, Not use group transform to have better line draw\n\n\n    var tickEl = new graphic.Line({\n      subPixelOptimize: true,\n      shape: {\n        x1: pt1[0],\n        y1: pt1[1],\n        x2: pt2[0],\n        y2: pt2[1]\n      },\n      style: tickLineStyle,\n      z2: 2,\n      autoBatch: true,\n      silent: true\n    });\n    tickEl.anid = anidPrefix + '_' + ticksCoords[i].tickValue;\n    tickEls.push(tickEl);\n  }\n\n  return tickEls;\n}\n\nfunction buildAxisMajorTicks(group, transformGroup, axisModel, opt) {\n  var axis = axisModel.axis;\n  var tickModel = axisModel.getModel('axisTick');\n  var shown = tickModel.get('show');\n\n  if (shown === 'auto' && opt.handleAutoShown) {\n    shown = opt.handleAutoShown('axisTick');\n  }\n\n  if (!shown || axis.scale.isBlank()) {\n    return;\n  }\n\n  var lineStyleModel = tickModel.getModel('lineStyle');\n  var tickEndCoord = opt.tickDirection * tickModel.get('length');\n  var ticksCoords = axis.getTicksCoords();\n  var ticksEls = createTicks(ticksCoords, transformGroup.transform, tickEndCoord, defaults(lineStyleModel.getLineStyle(), {\n    stroke: axisModel.get(['axisLine', 'lineStyle', 'color'])\n  }), 'ticks');\n\n  for (var i = 0; i < ticksEls.length; i++) {\n    group.add(ticksEls[i]);\n  }\n\n  return ticksEls;\n}\n\nfunction buildAxisMinorTicks(group, transformGroup, axisModel, tickDirection) {\n  var axis = axisModel.axis;\n  var minorTickModel = axisModel.getModel('minorTick');\n\n  if (!minorTickModel.get('show') || axis.scale.isBlank()) {\n    return;\n  }\n\n  var minorTicksCoords = axis.getMinorTicksCoords();\n\n  if (!minorTicksCoords.length) {\n    return;\n  }\n\n  var lineStyleModel = minorTickModel.getModel('lineStyle');\n  var tickEndCoord = tickDirection * minorTickModel.get('length');\n  var minorTickLineStyle = defaults(lineStyleModel.getLineStyle(), defaults(axisModel.getModel('axisTick').getLineStyle(), {\n    stroke: axisModel.get(['axisLine', 'lineStyle', 'color'])\n  }));\n\n  for (var i = 0; i < minorTicksCoords.length; i++) {\n    var minorTicksEls = createTicks(minorTicksCoords[i], transformGroup.transform, tickEndCoord, minorTickLineStyle, 'minorticks_' + i);\n\n    for (var k = 0; k < minorTicksEls.length; k++) {\n      group.add(minorTicksEls[k]);\n    }\n  }\n}\n\nfunction buildAxisLabel(group, transformGroup, axisModel, opt) {\n  var axis = axisModel.axis;\n  var show = retrieve(opt.axisLabelShow, axisModel.get(['axisLabel', 'show']));\n\n  if (!show || axis.scale.isBlank()) {\n    return;\n  }\n\n  var labelModel = axisModel.getModel('axisLabel');\n  var labelMargin = labelModel.get('margin');\n  var labels = axis.getViewLabels(); // Special label rotate.\n\n  var labelRotation = (retrieve(opt.labelRotate, labelModel.get('rotate')) || 0) * PI / 180;\n  var labelLayout = AxisBuilder.innerTextLayout(opt.rotation, labelRotation, opt.labelDirection);\n  var rawCategoryData = axisModel.getCategories && axisModel.getCategories(true);\n  var labelEls = [];\n  var silent = AxisBuilder.isLabelSilent(axisModel);\n  var triggerEvent = axisModel.get('triggerEvent');\n  each(labels, function (labelItem, index) {\n    var tickValue = axis.scale.type === 'ordinal' ? axis.scale.getRawOrdinalNumber(labelItem.tickValue) : labelItem.tickValue;\n    var formattedLabel = labelItem.formattedLabel;\n    var rawLabel = labelItem.rawLabel;\n    var itemLabelModel = labelModel;\n\n    if (rawCategoryData && rawCategoryData[tickValue]) {\n      var rawCategoryItem = rawCategoryData[tickValue];\n\n      if (isObject(rawCategoryItem) && rawCategoryItem.textStyle) {\n        itemLabelModel = new Model(rawCategoryItem.textStyle, labelModel, axisModel.ecModel);\n      }\n    }\n\n    var textColor = itemLabelModel.getTextColor() || axisModel.get(['axisLine', 'lineStyle', 'color']);\n    var tickCoord = axis.dataToCoord(tickValue);\n    var textEl = new graphic.Text({\n      x: tickCoord,\n      y: opt.labelOffset + opt.labelDirection * labelMargin,\n      rotation: labelLayout.rotation,\n      silent: silent,\n      z2: 10,\n      style: createTextStyle(itemLabelModel, {\n        text: formattedLabel,\n        align: itemLabelModel.getShallow('align', true) || labelLayout.textAlign,\n        verticalAlign: itemLabelModel.getShallow('verticalAlign', true) || itemLabelModel.getShallow('baseline', true) || labelLayout.textVerticalAlign,\n        fill: typeof textColor === 'function' ? textColor( // (1) In category axis with data zoom, tick is not the original\n        // index of axis.data. So tick should not be exposed to user\n        // in category axis.\n        // (2) Compatible with previous version, which always use formatted label as\n        // input. But in interval scale the formatted label is like '223,445', which\n        // maked user repalce ','. So we modify it to return original val but remain\n        // it as 'string' to avoid error in replacing.\n        axis.type === 'category' ? rawLabel : axis.type === 'value' ? tickValue + '' : tickValue, index) : textColor\n      })\n    });\n    textEl.anid = 'label_' + tickValue; // Pack data for mouse event\n\n    if (triggerEvent) {\n      var eventData = AxisBuilder.makeAxisEventDataBase(axisModel);\n      eventData.targetType = 'axisLabel';\n      eventData.value = rawLabel;\n      getECData(textEl).eventData = eventData;\n    } // FIXME\n\n\n    transformGroup.add(textEl);\n    textEl.updateTransform();\n    labelEls.push(textEl);\n    group.add(textEl);\n    textEl.decomposeTransform();\n  });\n  return labelEls;\n}\n\nexport default AxisBuilder;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport Model from '../../model/Model';\nimport { each, curry, clone, defaults, isArray, indexOf } from 'zrender/lib/core/util'; // Build axisPointerModel, mergin tooltip.axisPointer model for each axis.\n// allAxesInfo should be updated when setOption performed.\n\nexport function collect(ecModel, api) {\n  var result = {\n    /**\n     * key: makeKey(axis.model)\n     * value: {\n     *      axis,\n     *      coordSys,\n     *      axisPointerModel,\n     *      triggerTooltip,\n     *      involveSeries,\n     *      snap,\n     *      seriesModels,\n     *      seriesDataCount\n     * }\n     */\n    axesInfo: {},\n    seriesInvolved: false,\n\n    /**\n     * key: makeKey(coordSys.model)\n     * value: Object: key makeKey(axis.model), value: axisInfo\n     */\n    coordSysAxesInfo: {},\n    coordSysMap: {}\n  };\n  collectAxesInfo(result, ecModel, api); // Check seriesInvolved for performance, in case too many series in some chart.\n\n  result.seriesInvolved && collectSeriesInfo(result, ecModel);\n  return result;\n}\n\nfunction collectAxesInfo(result, ecModel, api) {\n  var globalTooltipModel = ecModel.getComponent('tooltip');\n  var globalAxisPointerModel = ecModel.getComponent('axisPointer'); // links can only be set on global.\n\n  var linksOption = globalAxisPointerModel.get('link', true) || [];\n  var linkGroups = []; // Collect axes info.\n\n  each(api.getCoordinateSystems(), function (coordSys) {\n    // Some coordinate system do not support axes, like geo.\n    if (!coordSys.axisPointerEnabled) {\n      return;\n    }\n\n    var coordSysKey = makeKey(coordSys.model);\n    var axesInfoInCoordSys = result.coordSysAxesInfo[coordSysKey] = {};\n    result.coordSysMap[coordSysKey] = coordSys; // Set tooltip (like 'cross') is a convienent way to show axisPointer\n    // for user. So we enable seting tooltip on coordSys model.\n\n    var coordSysModel = coordSys.model;\n    var baseTooltipModel = coordSysModel.getModel('tooltip', globalTooltipModel);\n    each(coordSys.getAxes(), curry(saveTooltipAxisInfo, false, null)); // If axis tooltip used, choose tooltip axis for each coordSys.\n    // Notice this case: coordSys is `grid` but not `cartesian2D` here.\n\n    if (coordSys.getTooltipAxes && globalTooltipModel // If tooltip.showContent is set as false, tooltip will not\n    // show but axisPointer will show as normal.\n    && baseTooltipModel.get('show')) {\n      // Compatible with previous logic. But series.tooltip.trigger: 'axis'\n      // or series.data[n].tooltip.trigger: 'axis' are not support any more.\n      var triggerAxis = baseTooltipModel.get('trigger') === 'axis';\n      var cross = baseTooltipModel.get(['axisPointer', 'type']) === 'cross';\n      var tooltipAxes = coordSys.getTooltipAxes(baseTooltipModel.get(['axisPointer', 'axis']));\n\n      if (triggerAxis || cross) {\n        each(tooltipAxes.baseAxes, curry(saveTooltipAxisInfo, cross ? 'cross' : true, triggerAxis));\n      }\n\n      if (cross) {\n        each(tooltipAxes.otherAxes, curry(saveTooltipAxisInfo, 'cross', false));\n      }\n    } // fromTooltip: true | false | 'cross'\n    // triggerTooltip: true | false | null\n\n\n    function saveTooltipAxisInfo(fromTooltip, triggerTooltip, axis) {\n      var axisPointerModel = axis.model.getModel('axisPointer', globalAxisPointerModel);\n      var axisPointerShow = axisPointerModel.get('show');\n\n      if (!axisPointerShow || axisPointerShow === 'auto' && !fromTooltip && !isHandleTrigger(axisPointerModel)) {\n        return;\n      }\n\n      if (triggerTooltip == null) {\n        triggerTooltip = axisPointerModel.get('triggerTooltip');\n      }\n\n      axisPointerModel = fromTooltip ? makeAxisPointerModel(axis, baseTooltipModel, globalAxisPointerModel, ecModel, fromTooltip, triggerTooltip) : axisPointerModel;\n      var snap = axisPointerModel.get('snap');\n      var axisKey = makeKey(axis.model);\n      var involveSeries = triggerTooltip || snap || axis.type === 'category'; // If result.axesInfo[key] exist, override it (tooltip has higher priority).\n\n      var axisInfo = result.axesInfo[axisKey] = {\n        key: axisKey,\n        axis: axis,\n        coordSys: coordSys,\n        axisPointerModel: axisPointerModel,\n        triggerTooltip: triggerTooltip,\n        involveSeries: involveSeries,\n        snap: snap,\n        useHandle: isHandleTrigger(axisPointerModel),\n        seriesModels: [],\n        linkGroup: null\n      };\n      axesInfoInCoordSys[axisKey] = axisInfo;\n      result.seriesInvolved = result.seriesInvolved || involveSeries;\n      var groupIndex = getLinkGroupIndex(linksOption, axis);\n\n      if (groupIndex != null) {\n        var linkGroup = linkGroups[groupIndex] || (linkGroups[groupIndex] = {\n          axesInfo: {}\n        });\n        linkGroup.axesInfo[axisKey] = axisInfo;\n        linkGroup.mapper = linksOption[groupIndex].mapper;\n        axisInfo.linkGroup = linkGroup;\n      }\n    }\n  });\n}\n\nfunction makeAxisPointerModel(axis, baseTooltipModel, globalAxisPointerModel, ecModel, fromTooltip, triggerTooltip) {\n  var tooltipAxisPointerModel = baseTooltipModel.getModel('axisPointer');\n  var fields = ['type', 'snap', 'lineStyle', 'shadowStyle', 'label', 'animation', 'animationDurationUpdate', 'animationEasingUpdate', 'z'];\n  var volatileOption = {};\n  each(fields, function (field) {\n    volatileOption[field] = clone(tooltipAxisPointerModel.get(field));\n  }); // category axis do not auto snap, otherwise some tick that do not\n  // has value can not be hovered. value/time/log axis default snap if\n  // triggered from tooltip and trigger tooltip.\n\n  volatileOption.snap = axis.type !== 'category' && !!triggerTooltip; // Compatibel with previous behavior, tooltip axis do not show label by default.\n  // Only these properties can be overrided from tooltip to axisPointer.\n\n  if (tooltipAxisPointerModel.get('type') === 'cross') {\n    volatileOption.type = 'line';\n  }\n\n  var labelOption = volatileOption.label || (volatileOption.label = {}); // Follow the convention, do not show label when triggered by tooltip by default.\n\n  labelOption.show == null && (labelOption.show = false);\n\n  if (fromTooltip === 'cross') {\n    // When 'cross', both axes show labels.\n    var tooltipAxisPointerLabelShow = tooltipAxisPointerModel.get(['label', 'show']);\n    labelOption.show = tooltipAxisPointerLabelShow != null ? tooltipAxisPointerLabelShow : true; // If triggerTooltip, this is a base axis, which should better not use cross style\n    // (cross style is dashed by default)\n\n    if (!triggerTooltip) {\n      var crossStyle = volatileOption.lineStyle = tooltipAxisPointerModel.get('crossStyle');\n      crossStyle && defaults(labelOption, crossStyle.textStyle);\n    }\n  }\n\n  return axis.model.getModel('axisPointer', new Model(volatileOption, globalAxisPointerModel, ecModel));\n}\n\nfunction collectSeriesInfo(result, ecModel) {\n  // Prepare data for axis trigger\n  ecModel.eachSeries(function (seriesModel) {\n    // Notice this case: this coordSys is `cartesian2D` but not `grid`.\n    var coordSys = seriesModel.coordinateSystem;\n    var seriesTooltipTrigger = seriesModel.get(['tooltip', 'trigger'], true);\n    var seriesTooltipShow = seriesModel.get(['tooltip', 'show'], true);\n\n    if (!coordSys || seriesTooltipTrigger === 'none' || seriesTooltipTrigger === false || seriesTooltipTrigger === 'item' || seriesTooltipShow === false || seriesModel.get(['axisPointer', 'show'], true) === false) {\n      return;\n    }\n\n    each(result.coordSysAxesInfo[makeKey(coordSys.model)], function (axisInfo) {\n      var axis = axisInfo.axis;\n\n      if (coordSys.getAxis(axis.dim) === axis) {\n        axisInfo.seriesModels.push(seriesModel);\n        axisInfo.seriesDataCount == null && (axisInfo.seriesDataCount = 0);\n        axisInfo.seriesDataCount += seriesModel.getData().count();\n      }\n    });\n  });\n}\n/**\n * For example:\n * {\n *     axisPointer: {\n *         links: [{\n *             xAxisIndex: [2, 4],\n *             yAxisIndex: 'all'\n *         }, {\n *             xAxisId: ['a5', 'a7'],\n *             xAxisName: 'xxx'\n *         }]\n *     }\n * }\n */\n\n\nfunction getLinkGroupIndex(linksOption, axis) {\n  var axisModel = axis.model;\n  var dim = axis.dim;\n\n  for (var i = 0; i < linksOption.length; i++) {\n    var linkOption = linksOption[i] || {};\n\n    if (checkPropInLink(linkOption[dim + 'AxisId'], axisModel.id) || checkPropInLink(linkOption[dim + 'AxisIndex'], axisModel.componentIndex) || checkPropInLink(linkOption[dim + 'AxisName'], axisModel.name)) {\n      return i;\n    }\n  }\n}\n\nfunction checkPropInLink(linkPropValue, axisPropValue) {\n  return linkPropValue === 'all' || isArray(linkPropValue) && indexOf(linkPropValue, axisPropValue) >= 0 || linkPropValue === axisPropValue;\n}\n\nexport function fixValue(axisModel) {\n  var axisInfo = getAxisInfo(axisModel);\n\n  if (!axisInfo) {\n    return;\n  }\n\n  var axisPointerModel = axisInfo.axisPointerModel;\n  var scale = axisInfo.axis.scale;\n  var option = axisPointerModel.option;\n  var status = axisPointerModel.get('status');\n  var value = axisPointerModel.get('value'); // Parse init value for category and time axis.\n\n  if (value != null) {\n    value = scale.parse(value);\n  }\n\n  var useHandle = isHandleTrigger(axisPointerModel); // If `handle` used, `axisPointer` will always be displayed, so value\n  // and status should be initialized.\n\n  if (status == null) {\n    option.status = useHandle ? 'show' : 'hide';\n  }\n\n  var extent = scale.getExtent().slice();\n  extent[0] > extent[1] && extent.reverse();\n\n  if ( // Pick a value on axis when initializing.\n  value == null // If both `handle` and `dataZoom` are used, value may be out of axis extent,\n  // where we should re-pick a value to keep `handle` displaying normally.\n  || value > extent[1]) {\n    // Make handle displayed on the end of the axis when init, which looks better.\n    value = extent[1];\n  }\n\n  if (value < extent[0]) {\n    value = extent[0];\n  }\n\n  option.value = value;\n\n  if (useHandle) {\n    option.status = axisInfo.axis.scale.isBlank() ? 'hide' : 'show';\n  }\n}\nexport function getAxisInfo(axisModel) {\n  var coordSysAxesInfo = (axisModel.ecModel.getComponent('axisPointer') || {}).coordSysAxesInfo;\n  return coordSysAxesInfo && coordSysAxesInfo.axesInfo[makeKey(axisModel)];\n}\nexport function getAxisPointerModel(axisModel) {\n  var axisInfo = getAxisInfo(axisModel);\n  return axisInfo && axisInfo.axisPointerModel;\n}\n\nfunction isHandleTrigger(axisPointerModel) {\n  return !!axisPointerModel.get(['handle', 'show']);\n}\n/**\n * @param {module:echarts/model/Model} model\n * @return {string} unique key\n */\n\n\nexport function makeKey(model) {\n  return model.type + '||' + model.id;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as axisPointerModelHelper from '../axisPointer/modelHelper';\nimport ComponentView from '../../view/Component';\nvar axisPointerClazz = {};\n/**\n * Base class of AxisView.\n */\n\nvar AxisView =\n/** @class */\nfunction (_super) {\n  __extends(AxisView, _super);\n\n  function AxisView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = AxisView.type;\n    return _this;\n  }\n  /**\n   * @override\n   */\n\n\n  AxisView.prototype.render = function (axisModel, ecModel, api, payload) {\n    // FIXME\n    // This process should proformed after coordinate systems updated\n    // (axis scale updated), and should be performed each time update.\n    // So put it here temporarily, although it is not appropriate to\n    // put a model-writing procedure in `view`.\n    this.axisPointerClass && axisPointerModelHelper.fixValue(axisModel);\n\n    _super.prototype.render.apply(this, arguments);\n\n    this._doUpdateAxisPointerClass(axisModel, api, true);\n  };\n  /**\n   * Action handler.\n   */\n\n\n  AxisView.prototype.updateAxisPointer = function (axisModel, ecModel, api, payload) {\n    this._doUpdateAxisPointerClass(axisModel, api, false);\n  };\n  /**\n   * @override\n   */\n\n\n  AxisView.prototype.remove = function (ecModel, api) {\n    var axisPointer = this._axisPointer;\n    axisPointer && axisPointer.remove(api);\n  };\n  /**\n   * @override\n   */\n\n\n  AxisView.prototype.dispose = function (ecModel, api) {\n    this._disposeAxisPointer(api);\n\n    _super.prototype.dispose.apply(this, arguments);\n  };\n\n  AxisView.prototype._doUpdateAxisPointerClass = function (axisModel, api, forceRender) {\n    var Clazz = AxisView.getAxisPointerClass(this.axisPointerClass);\n\n    if (!Clazz) {\n      return;\n    }\n\n    var axisPointerModel = axisPointerModelHelper.getAxisPointerModel(axisModel);\n    axisPointerModel ? (this._axisPointer || (this._axisPointer = new Clazz())).render(axisModel, axisPointerModel, api, forceRender) : this._disposeAxisPointer(api);\n  };\n\n  AxisView.prototype._disposeAxisPointer = function (api) {\n    this._axisPointer && this._axisPointer.dispose(api);\n    this._axisPointer = null;\n  };\n\n  AxisView.registerAxisPointerClass = function (type, clazz) {\n    if (process.env.NODE_ENV !== 'production') {\n      if (axisPointerClazz[type]) {\n        throw new Error('axisPointer ' + type + ' exists');\n      }\n    }\n\n    axisPointerClazz[type] = clazz;\n  };\n\n  ;\n\n  AxisView.getAxisPointerClass = function (type) {\n    return type && axisPointerClazz[type];\n  };\n\n  ;\n  AxisView.type = 'axis';\n  return AxisView;\n}(ComponentView);\n\nexport default AxisView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport { makeInner } from '../../util/model';\nvar inner = makeInner();\nexport function rectCoordAxisBuildSplitArea(axisView, axisGroup, axisModel, gridModel) {\n  var axis = axisModel.axis;\n\n  if (axis.scale.isBlank()) {\n    return;\n  } // TODO: TYPE\n\n\n  var splitAreaModel = axisModel.getModel('splitArea');\n  var areaStyleModel = splitAreaModel.getModel('areaStyle');\n  var areaColors = areaStyleModel.get('color');\n  var gridRect = gridModel.coordinateSystem.getRect();\n  var ticksCoords = axis.getTicksCoords({\n    tickModel: splitAreaModel,\n    clamp: true\n  });\n\n  if (!ticksCoords.length) {\n    return;\n  } // For Making appropriate splitArea animation, the color and anid\n  // should be corresponding to previous one if possible.\n\n\n  var areaColorsLen = areaColors.length;\n  var lastSplitAreaColors = inner(axisView).splitAreaColors;\n  var newSplitAreaColors = zrUtil.createHashMap();\n  var colorIndex = 0;\n\n  if (lastSplitAreaColors) {\n    for (var i = 0; i < ticksCoords.length; i++) {\n      var cIndex = lastSplitAreaColors.get(ticksCoords[i].tickValue);\n\n      if (cIndex != null) {\n        colorIndex = (cIndex + (areaColorsLen - 1) * i) % areaColorsLen;\n        break;\n      }\n    }\n  }\n\n  var prev = axis.toGlobalCoord(ticksCoords[0].coord);\n  var areaStyle = areaStyleModel.getAreaStyle();\n  areaColors = zrUtil.isArray(areaColors) ? areaColors : [areaColors];\n\n  for (var i = 1; i < ticksCoords.length; i++) {\n    var tickCoord = axis.toGlobalCoord(ticksCoords[i].coord);\n    var x = void 0;\n    var y = void 0;\n    var width = void 0;\n    var height = void 0;\n\n    if (axis.isHorizontal()) {\n      x = prev;\n      y = gridRect.y;\n      width = tickCoord - x;\n      height = gridRect.height;\n      prev = x + width;\n    } else {\n      x = gridRect.x;\n      y = prev;\n      width = gridRect.width;\n      height = tickCoord - y;\n      prev = y + height;\n    }\n\n    var tickValue = ticksCoords[i - 1].tickValue;\n    tickValue != null && newSplitAreaColors.set(tickValue, colorIndex);\n    axisGroup.add(new graphic.Rect({\n      anid: tickValue != null ? 'area_' + tickValue : null,\n      shape: {\n        x: x,\n        y: y,\n        width: width,\n        height: height\n      },\n      style: zrUtil.defaults({\n        fill: areaColors[colorIndex]\n      }, areaStyle),\n      autoBatch: true,\n      silent: true\n    }));\n    colorIndex = (colorIndex + 1) % areaColorsLen;\n  }\n\n  inner(axisView).splitAreaColors = newSplitAreaColors;\n}\nexport function rectCoordAxisHandleRemove(axisView) {\n  inner(axisView).splitAreaColors = null;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport AxisBuilder from './AxisBuilder';\nimport AxisView from './AxisView';\nimport * as cartesianAxisHelper from '../../coord/cartesian/cartesianAxisHelper';\nimport { rectCoordAxisBuildSplitArea, rectCoordAxisHandleRemove } from './axisSplitHelper';\nvar axisBuilderAttrs = ['axisLine', 'axisTickLabel', 'axisName'];\nvar selfBuilderAttrs = ['splitArea', 'splitLine', 'minorSplitLine'];\n\nvar CartesianAxisView =\n/** @class */\nfunction (_super) {\n  __extends(CartesianAxisView, _super);\n\n  function CartesianAxisView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = CartesianAxisView.type;\n    _this.axisPointerClass = 'CartesianAxisPointer';\n    return _this;\n  }\n  /**\n   * @override\n   */\n\n\n  CartesianAxisView.prototype.render = function (axisModel, ecModel, api, payload) {\n    this.group.removeAll();\n    var oldAxisGroup = this._axisGroup;\n    this._axisGroup = new graphic.Group();\n    this.group.add(this._axisGroup);\n\n    if (!axisModel.get('show')) {\n      return;\n    }\n\n    var gridModel = axisModel.getCoordSysModel();\n    var layout = cartesianAxisHelper.layout(gridModel, axisModel);\n    var axisBuilder = new AxisBuilder(axisModel, zrUtil.extend({\n      handleAutoShown: function (elementType) {\n        var cartesians = gridModel.coordinateSystem.getCartesians();\n\n        for (var i = 0; i < cartesians.length; i++) {\n          var otherAxisType = cartesians[i].getOtherAxis(axisModel.axis).type;\n\n          if (otherAxisType === 'value' || otherAxisType === 'log') {\n            // Still show axis tick or axisLine if other axis is value / log\n            return true;\n          }\n        } // Not show axisTick or axisLine if other axis is category / time\n\n\n        return false;\n      }\n    }, layout));\n    zrUtil.each(axisBuilderAttrs, axisBuilder.add, axisBuilder);\n\n    this._axisGroup.add(axisBuilder.getGroup());\n\n    zrUtil.each(selfBuilderAttrs, function (name) {\n      if (axisModel.get([name, 'show'])) {\n        axisElementBuilders[name](this, this._axisGroup, axisModel, gridModel);\n      }\n    }, this);\n    graphic.groupTransition(oldAxisGroup, this._axisGroup, axisModel);\n\n    _super.prototype.render.call(this, axisModel, ecModel, api, payload);\n  };\n\n  CartesianAxisView.prototype.remove = function () {\n    rectCoordAxisHandleRemove(this);\n  };\n\n  CartesianAxisView.type = 'cartesianAxis';\n  return CartesianAxisView;\n}(AxisView);\n\nvar axisElementBuilders = {\n  splitLine: function (axisView, axisGroup, axisModel, gridModel) {\n    var axis = axisModel.axis;\n\n    if (axis.scale.isBlank()) {\n      return;\n    }\n\n    var splitLineModel = axisModel.getModel('splitLine');\n    var lineStyleModel = splitLineModel.getModel('lineStyle');\n    var lineColors = lineStyleModel.get('color');\n    lineColors = zrUtil.isArray(lineColors) ? lineColors : [lineColors];\n    var gridRect = gridModel.coordinateSystem.getRect();\n    var isHorizontal = axis.isHorizontal();\n    var lineCount = 0;\n    var ticksCoords = axis.getTicksCoords({\n      tickModel: splitLineModel\n    });\n    var p1 = [];\n    var p2 = [];\n    var lineStyle = lineStyleModel.getLineStyle();\n\n    for (var i = 0; i < ticksCoords.length; i++) {\n      var tickCoord = axis.toGlobalCoord(ticksCoords[i].coord);\n\n      if (isHorizontal) {\n        p1[0] = tickCoord;\n        p1[1] = gridRect.y;\n        p2[0] = tickCoord;\n        p2[1] = gridRect.y + gridRect.height;\n      } else {\n        p1[0] = gridRect.x;\n        p1[1] = tickCoord;\n        p2[0] = gridRect.x + gridRect.width;\n        p2[1] = tickCoord;\n      }\n\n      var colorIndex = lineCount++ % lineColors.length;\n      var tickValue = ticksCoords[i].tickValue;\n      axisGroup.add(new graphic.Line({\n        anid: tickValue != null ? 'line_' + ticksCoords[i].tickValue : null,\n        subPixelOptimize: true,\n        autoBatch: true,\n        shape: {\n          x1: p1[0],\n          y1: p1[1],\n          x2: p2[0],\n          y2: p2[1]\n        },\n        style: zrUtil.defaults({\n          stroke: lineColors[colorIndex]\n        }, lineStyle),\n        silent: true\n      }));\n    }\n  },\n  minorSplitLine: function (axisView, axisGroup, axisModel, gridModel) {\n    var axis = axisModel.axis;\n    var minorSplitLineModel = axisModel.getModel('minorSplitLine');\n    var lineStyleModel = minorSplitLineModel.getModel('lineStyle');\n    var gridRect = gridModel.coordinateSystem.getRect();\n    var isHorizontal = axis.isHorizontal();\n    var minorTicksCoords = axis.getMinorTicksCoords();\n\n    if (!minorTicksCoords.length) {\n      return;\n    }\n\n    var p1 = [];\n    var p2 = [];\n    var lineStyle = lineStyleModel.getLineStyle();\n\n    for (var i = 0; i < minorTicksCoords.length; i++) {\n      for (var k = 0; k < minorTicksCoords[i].length; k++) {\n        var tickCoord = axis.toGlobalCoord(minorTicksCoords[i][k].coord);\n\n        if (isHorizontal) {\n          p1[0] = tickCoord;\n          p1[1] = gridRect.y;\n          p2[0] = tickCoord;\n          p2[1] = gridRect.y + gridRect.height;\n        } else {\n          p1[0] = gridRect.x;\n          p1[1] = tickCoord;\n          p2[0] = gridRect.x + gridRect.width;\n          p2[1] = tickCoord;\n        }\n\n        axisGroup.add(new graphic.Line({\n          anid: 'minor_line_' + minorTicksCoords[i][k].tickValue,\n          subPixelOptimize: true,\n          autoBatch: true,\n          shape: {\n            x1: p1[0],\n            y1: p1[1],\n            x2: p2[0],\n            y2: p2[1]\n          },\n          style: lineStyle,\n          silent: true\n        }));\n      }\n    }\n  },\n  splitArea: function (axisView, axisGroup, axisModel, gridModel) {\n    rectCoordAxisBuildSplitArea(axisView, axisGroup, axisModel, gridModel);\n  }\n};\n\nvar CartesianXAxisView =\n/** @class */\nfunction (_super) {\n  __extends(CartesianXAxisView, _super);\n\n  function CartesianXAxisView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = CartesianXAxisView.type;\n    return _this;\n  }\n\n  CartesianXAxisView.type = 'xAxis';\n  return CartesianXAxisView;\n}(CartesianAxisView);\n\nexport { CartesianXAxisView };\n\nvar CartesianYAxisView =\n/** @class */\nfunction (_super) {\n  __extends(CartesianYAxisView, _super);\n\n  function CartesianYAxisView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = CartesianXAxisView.type;\n    return _this;\n  }\n\n  CartesianYAxisView.type = 'yAxis';\n  return CartesianYAxisView;\n}(CartesianAxisView);\n\nexport { CartesianYAxisView };\nexport default CartesianAxisView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport ComponentView from '../../view/Component';\nimport GridModel from '../../coord/cartesian/GridModel';\nimport { Rect } from '../../util/graphic';\nimport { defaults } from 'zrender/lib/core/util';\nimport { CartesianAxisModel } from '../../coord/cartesian/AxisModel';\nimport axisModelCreator from '../../coord/axisModelCreator';\nimport Grid from '../../coord/cartesian/Grid';\nimport { CartesianXAxisView, CartesianYAxisView } from '../axis/CartesianAxisView'; // Grid view\n\nvar GridView =\n/** @class */\nfunction (_super) {\n  __extends(GridView, _super);\n\n  function GridView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = 'grid';\n    return _this;\n  }\n\n  GridView.prototype.render = function (gridModel, ecModel) {\n    this.group.removeAll();\n\n    if (gridModel.get('show')) {\n      this.group.add(new Rect({\n        shape: gridModel.coordinateSystem.getRect(),\n        style: defaults({\n          fill: gridModel.get('backgroundColor')\n        }, gridModel.getItemStyle()),\n        silent: true,\n        z2: -1\n      }));\n    }\n  };\n\n  GridView.type = 'grid';\n  return GridView;\n}(ComponentView);\n\nvar extraOption = {\n  // gridIndex: 0,\n  // gridId: '',\n  offset: 0\n};\nexport function install(registers) {\n  registers.registerComponentView(GridView);\n  registers.registerComponentModel(GridModel);\n  registers.registerCoordinateSystem('cartesian2d', Grid);\n  axisModelCreator(registers, 'x', CartesianAxisModel, extraOption);\n  axisModelCreator(registers, 'y', CartesianAxisModel, extraOption);\n  registers.registerComponentView(CartesianXAxisView);\n  registers.registerComponentView(CartesianYAxisView);\n  registers.registerPreprocessor(function (option) {\n    // Only create grid when need\n    if (option.xAxis && option.yAxis && !option.grid) {\n      option.grid = {};\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nexport default function radarLayout(ecModel) {\n  ecModel.eachSeriesByType('radar', function (seriesModel) {\n    var data = seriesModel.getData();\n    var points = [];\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (!coordSys) {\n      return;\n    }\n\n    var axes = coordSys.getIndicatorAxes();\n    zrUtil.each(axes, function (axis, axisIndex) {\n      data.each(data.mapDimension(axes[axisIndex].dim), function (val, dataIndex) {\n        points[dataIndex] = points[dataIndex] || [];\n        var point = coordSys.dataToPoint(val, axisIndex);\n        points[dataIndex][axisIndex] = isValidPoint(point) ? point : getValueMissingPoint(coordSys);\n      });\n    }); // Close polygon\n\n    data.each(function (idx) {\n      // TODO\n      // Is it appropriate to connect to the next data when some data is missing?\n      // Or, should trade it like `connectNull` in line chart?\n      var firstPoint = zrUtil.find(points[idx], function (point) {\n        return isValidPoint(point);\n      }) || getValueMissingPoint(coordSys); // Copy the first actual point to the end of the array\n\n      points[idx].push(firstPoint.slice());\n      data.setItemLayout(idx, points[idx]);\n    });\n  });\n}\n\nfunction isValidPoint(point) {\n  return !isNaN(point[0]) && !isNaN(point[1]);\n}\n\nfunction getValueMissingPoint(coordSys) {\n  // It is error-prone to input [NaN, NaN] into polygon, polygon.\n  // (probably cause problem when refreshing or animating)\n  return [coordSys.cx, coordSys.cy];\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// @ts-nocheck\n// Backward compat for radar chart in 2\nimport * as zrUtil from 'zrender/lib/core/util';\nexport default function radarBackwardCompat(option) {\n  var polarOptArr = option.polar;\n\n  if (polarOptArr) {\n    if (!zrUtil.isArray(polarOptArr)) {\n      polarOptArr = [polarOptArr];\n    }\n\n    var polarNotRadar_1 = [];\n    zrUtil.each(polarOptArr, function (polarOpt, idx) {\n      if (polarOpt.indicator) {\n        if (polarOpt.type && !polarOpt.shape) {\n          polarOpt.shape = polarOpt.type;\n        }\n\n        option.radar = option.radar || [];\n\n        if (!zrUtil.isArray(option.radar)) {\n          option.radar = [option.radar];\n        }\n\n        option.radar.push(polarOpt);\n      } else {\n        polarNotRadar_1.push(polarOpt);\n      }\n    });\n    option.polar = polarNotRadar_1;\n  }\n\n  zrUtil.each(option.series, function (seriesOpt) {\n    if (seriesOpt && seriesOpt.type === 'radar' && seriesOpt.polarIndex) {\n      seriesOpt.radarIndex = seriesOpt.polarIndex;\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as graphic from '../../util/graphic';\nimport { setStatesStylesFromModel, enableHoverEmphasis } from '../../util/states';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as symbolUtil from '../../util/symbol';\nimport ChartView from '../../view/Chart';\nimport { setLabelStyle, getLabelStatesModels } from '../../label/labelStyle';\nimport ZRImage from 'zrender/lib/graphic/Image';\n\nfunction normalizeSymbolSize(symbolSize) {\n  if (!zrUtil.isArray(symbolSize)) {\n    symbolSize = [+symbolSize, +symbolSize];\n  }\n\n  return symbolSize;\n}\n\nvar RadarView =\n/** @class */\nfunction (_super) {\n  __extends(RadarView, _super);\n\n  function RadarView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = RadarView.type;\n    return _this;\n  }\n\n  RadarView.prototype.render = function (seriesModel, ecModel, api) {\n    var polar = seriesModel.coordinateSystem;\n    var group = this.group;\n    var data = seriesModel.getData();\n    var oldData = this._data;\n\n    function createSymbol(data, idx) {\n      var symbolType = data.getItemVisual(idx, 'symbol') || 'circle';\n\n      if (symbolType === 'none') {\n        return;\n      }\n\n      var symbolSize = normalizeSymbolSize(data.getItemVisual(idx, 'symbolSize'));\n      var symbolPath = symbolUtil.createSymbol(symbolType, -1, -1, 2, 2);\n      var symbolRotate = data.getItemVisual(idx, 'symbolRotate') || 0;\n      symbolPath.attr({\n        style: {\n          strokeNoScale: true\n        },\n        z2: 100,\n        scaleX: symbolSize[0] / 2,\n        scaleY: symbolSize[1] / 2,\n        rotation: symbolRotate * Math.PI / 180 || 0\n      });\n      return symbolPath;\n    }\n\n    function updateSymbols(oldPoints, newPoints, symbolGroup, data, idx, isInit) {\n      // Simply rerender all\n      symbolGroup.removeAll();\n\n      for (var i = 0; i < newPoints.length - 1; i++) {\n        var symbolPath = createSymbol(data, idx);\n\n        if (symbolPath) {\n          symbolPath.__dimIdx = i;\n\n          if (oldPoints[i]) {\n            symbolPath.setPosition(oldPoints[i]);\n            graphic[isInit ? 'initProps' : 'updateProps'](symbolPath, {\n              x: newPoints[i][0],\n              y: newPoints[i][1]\n            }, seriesModel, idx);\n          } else {\n            symbolPath.setPosition(newPoints[i]);\n          }\n\n          symbolGroup.add(symbolPath);\n        }\n      }\n    }\n\n    function getInitialPoints(points) {\n      return zrUtil.map(points, function (pt) {\n        return [polar.cx, polar.cy];\n      });\n    }\n\n    data.diff(oldData).add(function (idx) {\n      var points = data.getItemLayout(idx);\n\n      if (!points) {\n        return;\n      }\n\n      var polygon = new graphic.Polygon();\n      var polyline = new graphic.Polyline();\n      var target = {\n        shape: {\n          points: points\n        }\n      };\n      polygon.shape.points = getInitialPoints(points);\n      polyline.shape.points = getInitialPoints(points);\n      graphic.initProps(polygon, target, seriesModel, idx);\n      graphic.initProps(polyline, target, seriesModel, idx);\n      var itemGroup = new graphic.Group();\n      var symbolGroup = new graphic.Group();\n      itemGroup.add(polyline);\n      itemGroup.add(polygon);\n      itemGroup.add(symbolGroup);\n      updateSymbols(polyline.shape.points, points, symbolGroup, data, idx, true);\n      data.setItemGraphicEl(idx, itemGroup);\n    }).update(function (newIdx, oldIdx) {\n      var itemGroup = oldData.getItemGraphicEl(oldIdx);\n      var polyline = itemGroup.childAt(0);\n      var polygon = itemGroup.childAt(1);\n      var symbolGroup = itemGroup.childAt(2);\n      var target = {\n        shape: {\n          points: data.getItemLayout(newIdx)\n        }\n      };\n\n      if (!target.shape.points) {\n        return;\n      }\n\n      updateSymbols(polyline.shape.points, target.shape.points, symbolGroup, data, newIdx, false);\n      graphic.updateProps(polyline, target, seriesModel);\n      graphic.updateProps(polygon, target, seriesModel);\n      data.setItemGraphicEl(newIdx, itemGroup);\n    }).remove(function (idx) {\n      group.remove(oldData.getItemGraphicEl(idx));\n    }).execute();\n    data.eachItemGraphicEl(function (itemGroup, idx) {\n      var itemModel = data.getItemModel(idx);\n      var polyline = itemGroup.childAt(0);\n      var polygon = itemGroup.childAt(1);\n      var symbolGroup = itemGroup.childAt(2); // Radar uses the visual encoded from itemStyle.\n\n      var itemStyle = data.getItemVisual(idx, 'style');\n      var color = itemStyle.fill;\n      group.add(itemGroup);\n      polyline.useStyle(zrUtil.defaults(itemModel.getModel('lineStyle').getLineStyle(), {\n        fill: 'none',\n        stroke: color\n      }));\n      setStatesStylesFromModel(polyline, itemModel, 'lineStyle');\n      setStatesStylesFromModel(polygon, itemModel, 'areaStyle');\n      var areaStyleModel = itemModel.getModel('areaStyle');\n      var polygonIgnore = areaStyleModel.isEmpty() && areaStyleModel.parentModel.isEmpty();\n      polygon.ignore = polygonIgnore;\n      zrUtil.each(['emphasis', 'select', 'blur'], function (stateName) {\n        var stateModel = itemModel.getModel([stateName, 'areaStyle']);\n        var stateIgnore = stateModel.isEmpty() && stateModel.parentModel.isEmpty(); // Won't be ignore if normal state is not ignore.\n\n        polygon.ensureState(stateName).ignore = stateIgnore && polygonIgnore;\n      });\n      polygon.useStyle(zrUtil.defaults(areaStyleModel.getAreaStyle(), {\n        fill: color,\n        opacity: 0.7,\n        decal: itemStyle.decal\n      }));\n      var emphasisModel = itemModel.getModel('emphasis');\n      var itemHoverStyle = emphasisModel.getModel('itemStyle').getItemStyle();\n      symbolGroup.eachChild(function (symbolPath) {\n        if (symbolPath instanceof ZRImage) {\n          var pathStyle = symbolPath.style;\n          symbolPath.useStyle(zrUtil.extend({\n            // TODO other properties like x, y ?\n            image: pathStyle.image,\n            x: pathStyle.x,\n            y: pathStyle.y,\n            width: pathStyle.width,\n            height: pathStyle.height\n          }, itemStyle));\n        } else {\n          symbolPath.useStyle(itemStyle);\n          symbolPath.setColor(color);\n        }\n\n        var pathEmphasisState = symbolPath.ensureState('emphasis');\n        pathEmphasisState.style = zrUtil.clone(itemHoverStyle);\n        var defaultText = data.get(data.dimensions[symbolPath.__dimIdx], idx);\n        (defaultText == null || isNaN(defaultText)) && (defaultText = '');\n        setLabelStyle(symbolPath, getLabelStatesModels(itemModel), {\n          labelFetcher: data.hostModel,\n          labelDataIndex: idx,\n          labelDimIndex: symbolPath.__dimIdx,\n          defaultText: defaultText,\n          inheritColor: color,\n          defaultOpacity: itemStyle.opacity\n        });\n      });\n      enableHoverEmphasis(itemGroup, emphasisModel.get('focus'), emphasisModel.get('blurScope'));\n    });\n    this._data = data;\n  };\n\n  RadarView.prototype.remove = function () {\n    this.group.removeAll();\n    this._data = null;\n  };\n\n  RadarView.type = 'radar';\n  return RadarView;\n}(ChartView);\n\nexport default RadarView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport SeriesModel from '../../model/Series';\nimport createListSimply from '../helper/createListSimply';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport LegendVisualProvider from '../../visual/LegendVisualProvider';\nimport { createTooltipMarkup, retrieveVisualColorForTooltipMarker } from '../../component/tooltip/tooltipMarkup';\n\nvar RadarSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(RadarSeriesModel, _super);\n\n  function RadarSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = RadarSeriesModel.type;\n    _this.useColorPaletteOnData = true;\n    _this.hasSymbolVisual = true;\n    return _this;\n  } // Overwrite\n\n\n  RadarSeriesModel.prototype.init = function (option) {\n    _super.prototype.init.apply(this, arguments); // Enable legend selection for each data item\n    // Use a function instead of direct access because data reference may changed\n\n\n    this.legendVisualProvider = new LegendVisualProvider(zrUtil.bind(this.getData, this), zrUtil.bind(this.getRawData, this));\n  };\n\n  RadarSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    return createListSimply(this, {\n      generateCoord: 'indicator_',\n      generateCoordCount: Infinity\n    });\n  };\n\n  RadarSeriesModel.prototype.formatTooltip = function (dataIndex, multipleSeries, dataType) {\n    var data = this.getData();\n    var coordSys = this.coordinateSystem;\n    var indicatorAxes = coordSys.getIndicatorAxes();\n    var name = this.getData().getName(dataIndex);\n    var nameToDisplay = name === '' ? this.name : name;\n    var markerColor = retrieveVisualColorForTooltipMarker(this, dataIndex);\n    return createTooltipMarkup('section', {\n      header: nameToDisplay,\n      sortBlocks: true,\n      blocks: zrUtil.map(indicatorAxes, function (axis) {\n        var val = data.get(data.mapDimension(axis.dim), dataIndex);\n        return createTooltipMarkup('nameValue', {\n          markerType: 'subItem',\n          markerColor: markerColor,\n          name: axis.name,\n          value: val,\n          sortParam: val\n        });\n      })\n    });\n  };\n\n  RadarSeriesModel.prototype.getTooltipPosition = function (dataIndex) {\n    if (dataIndex != null) {\n      var data_1 = this.getData();\n      var coordSys = this.coordinateSystem;\n      var values = data_1.getValues(zrUtil.map(coordSys.dimensions, function (dim) {\n        return data_1.mapDimension(dim);\n      }), dataIndex);\n\n      for (var i = 0, len = values.length; i < len; i++) {\n        if (!isNaN(values[i])) {\n          var indicatorAxes = coordSys.getIndicatorAxes();\n          return coordSys.coordToPoint(indicatorAxes[i].dataToCoord(values[i]), i);\n        }\n      }\n    }\n  };\n\n  RadarSeriesModel.type = 'series.radar';\n  RadarSeriesModel.dependencies = ['radar'];\n  RadarSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    coordinateSystem: 'radar',\n    legendHoverLink: true,\n    radarIndex: 0,\n    lineStyle: {\n      width: 2,\n      type: 'solid'\n    },\n    label: {\n      position: 'top'\n    },\n    // areaStyle: {\n    // },\n    // itemStyle: {}\n    symbolSize: 8 // symbolRotate: null\n\n  };\n  return RadarSeriesModel;\n}(SeriesModel);\n\nexport default RadarSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport axisDefault from '../axisDefault';\nimport Model from '../../model/Model';\nimport { AxisModelCommonMixin } from '../axisModelCommonMixin';\nimport ComponentModel from '../../model/Component';\nvar valueAxisDefault = axisDefault.value;\n\nfunction defaultsShow(opt, show) {\n  return zrUtil.defaults({\n    show: show\n  }, opt);\n}\n\nvar RadarModel =\n/** @class */\nfunction (_super) {\n  __extends(RadarModel, _super);\n\n  function RadarModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = RadarModel.type;\n    return _this;\n  }\n\n  RadarModel.prototype.optionUpdated = function () {\n    var boundaryGap = this.get('boundaryGap');\n    var splitNumber = this.get('splitNumber');\n    var scale = this.get('scale');\n    var axisLine = this.get('axisLine');\n    var axisTick = this.get('axisTick'); // let axisType = this.get('axisType');\n\n    var axisLabel = this.get('axisLabel');\n    var nameTextStyle = this.get('axisName');\n    var showName = this.get(['axisName', 'show']);\n    var nameFormatter = this.get(['axisName', 'formatter']);\n    var nameGap = this.get('axisNameGap');\n    var triggerEvent = this.get('triggerEvent');\n    var indicatorModels = zrUtil.map(this.get('indicator') || [], function (indicatorOpt) {\n      // PENDING\n      if (indicatorOpt.max != null && indicatorOpt.max > 0 && !indicatorOpt.min) {\n        indicatorOpt.min = 0;\n      } else if (indicatorOpt.min != null && indicatorOpt.min < 0 && !indicatorOpt.max) {\n        indicatorOpt.max = 0;\n      }\n\n      var iNameTextStyle = nameTextStyle;\n\n      if (indicatorOpt.color != null) {\n        iNameTextStyle = zrUtil.defaults({\n          color: indicatorOpt.color\n        }, nameTextStyle);\n      } // Use same configuration\n\n\n      var innerIndicatorOpt = zrUtil.merge(zrUtil.clone(indicatorOpt), {\n        boundaryGap: boundaryGap,\n        splitNumber: splitNumber,\n        scale: scale,\n        axisLine: axisLine,\n        axisTick: axisTick,\n        // axisType: axisType,\n        axisLabel: axisLabel,\n        // Compatible with 2 and use text\n        name: indicatorOpt.text,\n        nameLocation: 'end',\n        nameGap: nameGap,\n        // min: 0,\n        nameTextStyle: iNameTextStyle,\n        triggerEvent: triggerEvent\n      }, false);\n\n      if (!showName) {\n        innerIndicatorOpt.name = '';\n      }\n\n      if (typeof nameFormatter === 'string') {\n        var indName = innerIndicatorOpt.name;\n        innerIndicatorOpt.name = nameFormatter.replace('{value}', indName != null ? indName : '');\n      } else if (typeof nameFormatter === 'function') {\n        innerIndicatorOpt.name = nameFormatter(innerIndicatorOpt.name, innerIndicatorOpt);\n      }\n\n      var model = new Model(innerIndicatorOpt, null, this.ecModel);\n      zrUtil.mixin(model, AxisModelCommonMixin.prototype); // For triggerEvent.\n\n      model.mainType = 'radar';\n      model.componentIndex = this.componentIndex;\n      return model;\n    }, this);\n    this._indicatorModels = indicatorModels;\n  };\n\n  RadarModel.prototype.getIndicatorModels = function () {\n    return this._indicatorModels;\n  };\n\n  RadarModel.type = 'radar';\n  RadarModel.defaultOption = {\n    zlevel: 0,\n    z: 0,\n    center: ['50%', '50%'],\n    radius: '75%',\n    startAngle: 90,\n    axisName: {\n      show: true // formatter: null\n      // textStyle: {}\n\n    },\n    boundaryGap: [0, 0],\n    splitNumber: 5,\n    axisNameGap: 15,\n    scale: false,\n    // Polygon or circle\n    shape: 'polygon',\n    axisLine: zrUtil.merge({\n      lineStyle: {\n        color: '#bbb'\n      }\n    }, valueAxisDefault.axisLine),\n    axisLabel: defaultsShow(valueAxisDefault.axisLabel, false),\n    axisTick: defaultsShow(valueAxisDefault.axisTick, false),\n    // axisType: 'value',\n    splitLine: defaultsShow(valueAxisDefault.splitLine, true),\n    splitArea: defaultsShow(valueAxisDefault.splitArea, true),\n    // {text, min, max}\n    indicator: []\n  };\n  return RadarModel;\n}(ComponentModel);\n\nexport default RadarModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport AxisBuilder from '../axis/AxisBuilder';\nimport * as graphic from '../../util/graphic';\nimport ComponentView from '../../view/Component';\nvar axisBuilderAttrs = ['axisLine', 'axisTickLabel', 'axisName'];\n\nvar RadarView =\n/** @class */\nfunction (_super) {\n  __extends(RadarView, _super);\n\n  function RadarView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = RadarView.type;\n    return _this;\n  }\n\n  RadarView.prototype.render = function (radarModel, ecModel, api) {\n    var group = this.group;\n    group.removeAll();\n\n    this._buildAxes(radarModel);\n\n    this._buildSplitLineAndArea(radarModel);\n  };\n\n  RadarView.prototype._buildAxes = function (radarModel) {\n    var radar = radarModel.coordinateSystem;\n    var indicatorAxes = radar.getIndicatorAxes();\n    var axisBuilders = zrUtil.map(indicatorAxes, function (indicatorAxis) {\n      var axisBuilder = new AxisBuilder(indicatorAxis.model, {\n        position: [radar.cx, radar.cy],\n        rotation: indicatorAxis.angle,\n        labelDirection: -1,\n        tickDirection: -1,\n        nameDirection: 1\n      });\n      return axisBuilder;\n    });\n    zrUtil.each(axisBuilders, function (axisBuilder) {\n      zrUtil.each(axisBuilderAttrs, axisBuilder.add, axisBuilder);\n      this.group.add(axisBuilder.getGroup());\n    }, this);\n  };\n\n  RadarView.prototype._buildSplitLineAndArea = function (radarModel) {\n    var radar = radarModel.coordinateSystem;\n    var indicatorAxes = radar.getIndicatorAxes();\n\n    if (!indicatorAxes.length) {\n      return;\n    }\n\n    var shape = radarModel.get('shape');\n    var splitLineModel = radarModel.getModel('splitLine');\n    var splitAreaModel = radarModel.getModel('splitArea');\n    var lineStyleModel = splitLineModel.getModel('lineStyle');\n    var areaStyleModel = splitAreaModel.getModel('areaStyle');\n    var showSplitLine = splitLineModel.get('show');\n    var showSplitArea = splitAreaModel.get('show');\n    var splitLineColors = lineStyleModel.get('color');\n    var splitAreaColors = areaStyleModel.get('color');\n    var splitLineColorsArr = zrUtil.isArray(splitLineColors) ? splitLineColors : [splitLineColors];\n    var splitAreaColorsArr = zrUtil.isArray(splitAreaColors) ? splitAreaColors : [splitAreaColors];\n    var splitLines = [];\n    var splitAreas = [];\n\n    function getColorIndex(areaOrLine, areaOrLineColorList, idx) {\n      var colorIndex = idx % areaOrLineColorList.length;\n      areaOrLine[colorIndex] = areaOrLine[colorIndex] || [];\n      return colorIndex;\n    }\n\n    if (shape === 'circle') {\n      var ticksRadius = indicatorAxes[0].getTicksCoords();\n      var cx = radar.cx;\n      var cy = radar.cy;\n\n      for (var i = 0; i < ticksRadius.length; i++) {\n        if (showSplitLine) {\n          var colorIndex = getColorIndex(splitLines, splitLineColorsArr, i);\n          splitLines[colorIndex].push(new graphic.Circle({\n            shape: {\n              cx: cx,\n              cy: cy,\n              r: ticksRadius[i].coord\n            }\n          }));\n        }\n\n        if (showSplitArea && i < ticksRadius.length - 1) {\n          var colorIndex = getColorIndex(splitAreas, splitAreaColorsArr, i);\n          splitAreas[colorIndex].push(new graphic.Ring({\n            shape: {\n              cx: cx,\n              cy: cy,\n              r0: ticksRadius[i].coord,\n              r: ticksRadius[i + 1].coord\n            }\n          }));\n        }\n      }\n    } // Polyyon\n    else {\n        var realSplitNumber_1;\n        var axesTicksPoints = zrUtil.map(indicatorAxes, function (indicatorAxis, idx) {\n          var ticksCoords = indicatorAxis.getTicksCoords();\n          realSplitNumber_1 = realSplitNumber_1 == null ? ticksCoords.length - 1 : Math.min(ticksCoords.length - 1, realSplitNumber_1);\n          return zrUtil.map(ticksCoords, function (tickCoord) {\n            return radar.coordToPoint(tickCoord.coord, idx);\n          });\n        });\n        var prevPoints = [];\n\n        for (var i = 0; i <= realSplitNumber_1; i++) {\n          var points = [];\n\n          for (var j = 0; j < indicatorAxes.length; j++) {\n            points.push(axesTicksPoints[j][i]);\n          } // Close\n\n\n          if (points[0]) {\n            points.push(points[0].slice());\n          } else {\n            if (process.env.NODE_ENV !== 'production') {\n              console.error('Can\\'t draw value axis ' + i);\n            }\n          }\n\n          if (showSplitLine) {\n            var colorIndex = getColorIndex(splitLines, splitLineColorsArr, i);\n            splitLines[colorIndex].push(new graphic.Polyline({\n              shape: {\n                points: points\n              }\n            }));\n          }\n\n          if (showSplitArea && prevPoints) {\n            var colorIndex = getColorIndex(splitAreas, splitAreaColorsArr, i - 1);\n            splitAreas[colorIndex].push(new graphic.Polygon({\n              shape: {\n                points: points.concat(prevPoints)\n              }\n            }));\n          }\n\n          prevPoints = points.slice().reverse();\n        }\n      }\n\n    var lineStyle = lineStyleModel.getLineStyle();\n    var areaStyle = areaStyleModel.getAreaStyle(); // Add splitArea before splitLine\n\n    zrUtil.each(splitAreas, function (splitAreas, idx) {\n      this.group.add(graphic.mergePath(splitAreas, {\n        style: zrUtil.defaults({\n          stroke: 'none',\n          fill: splitAreaColorsArr[idx % splitAreaColorsArr.length]\n        }, areaStyle),\n        silent: true\n      }));\n    }, this);\n    zrUtil.each(splitLines, function (splitLines, idx) {\n      this.group.add(graphic.mergePath(splitLines, {\n        style: zrUtil.defaults({\n          fill: 'none',\n          stroke: splitLineColorsArr[idx % splitLineColorsArr.length]\n        }, lineStyle),\n        silent: true\n      }));\n    }, this);\n  };\n\n  RadarView.type = 'radar';\n  return RadarView;\n}(ComponentView);\n\nexport default RadarView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport Axis from '../Axis';\n\nvar IndicatorAxis =\n/** @class */\nfunction (_super) {\n  __extends(IndicatorAxis, _super);\n\n  function IndicatorAxis(dim, scale, radiusExtent) {\n    var _this = _super.call(this, dim, scale, radiusExtent) || this;\n\n    _this.type = 'value';\n    _this.angle = 0;\n    _this.name = '';\n    return _this;\n  }\n\n  return IndicatorAxis;\n}(Axis);\n\nexport default IndicatorAxis;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// TODO clockwise\nimport IndicatorAxis from './IndicatorAxis';\nimport IntervalScale from '../../scale/Interval';\nimport * as numberUtil from '../../util/number';\nimport { getScaleExtent, niceScaleExtent } from '../axisHelper';\nimport { parseAxisModelMinMax } from '../scaleRawExtentInfo';\nimport { map, each } from 'zrender/lib/core/util';\n\nvar Radar =\n/** @class */\nfunction () {\n  function Radar(radarModel, ecModel, api) {\n    /**\n     *\n     * Radar dimensions\n     */\n    this.dimensions = [];\n    this._model = radarModel;\n    this._indicatorAxes = map(radarModel.getIndicatorModels(), function (indicatorModel, idx) {\n      var dim = 'indicator_' + idx;\n      var indicatorAxis = new IndicatorAxis(dim, new IntervalScale() // (indicatorModel.get('axisType') === 'log') ? new LogScale() : new IntervalScale()\n      );\n      indicatorAxis.name = indicatorModel.get('name'); // Inject model and axis\n\n      indicatorAxis.model = indicatorModel;\n      indicatorModel.axis = indicatorAxis;\n      this.dimensions.push(dim);\n      return indicatorAxis;\n    }, this);\n    this.resize(radarModel, api);\n  }\n\n  Radar.prototype.getIndicatorAxes = function () {\n    return this._indicatorAxes;\n  };\n\n  Radar.prototype.dataToPoint = function (value, indicatorIndex) {\n    var indicatorAxis = this._indicatorAxes[indicatorIndex];\n    return this.coordToPoint(indicatorAxis.dataToCoord(value), indicatorIndex);\n  }; // TODO: API should be coordToPoint([coord, indicatorIndex])\n\n\n  Radar.prototype.coordToPoint = function (coord, indicatorIndex) {\n    var indicatorAxis = this._indicatorAxes[indicatorIndex];\n    var angle = indicatorAxis.angle;\n    var x = this.cx + coord * Math.cos(angle);\n    var y = this.cy - coord * Math.sin(angle);\n    return [x, y];\n  };\n\n  Radar.prototype.pointToData = function (pt) {\n    var dx = pt[0] - this.cx;\n    var dy = pt[1] - this.cy;\n    var radius = Math.sqrt(dx * dx + dy * dy);\n    dx /= radius;\n    dy /= radius;\n    var radian = Math.atan2(-dy, dx); // Find the closest angle\n    // FIXME index can calculated directly\n\n    var minRadianDiff = Infinity;\n    var closestAxis;\n    var closestAxisIdx = -1;\n\n    for (var i = 0; i < this._indicatorAxes.length; i++) {\n      var indicatorAxis = this._indicatorAxes[i];\n      var diff = Math.abs(radian - indicatorAxis.angle);\n\n      if (diff < minRadianDiff) {\n        closestAxis = indicatorAxis;\n        closestAxisIdx = i;\n        minRadianDiff = diff;\n      }\n    }\n\n    return [closestAxisIdx, +(closestAxis && closestAxis.coordToData(radius))];\n  };\n\n  Radar.prototype.resize = function (radarModel, api) {\n    var center = radarModel.get('center');\n    var viewWidth = api.getWidth();\n    var viewHeight = api.getHeight();\n    var viewSize = Math.min(viewWidth, viewHeight) / 2;\n    this.cx = numberUtil.parsePercent(center[0], viewWidth);\n    this.cy = numberUtil.parsePercent(center[1], viewHeight);\n    this.startAngle = radarModel.get('startAngle') * Math.PI / 180; // radius may be single value like `20`, `'80%'`, or array like `[10, '80%']`\n\n    var radius = radarModel.get('radius');\n\n    if (typeof radius === 'string' || typeof radius === 'number') {\n      radius = [0, radius];\n    }\n\n    this.r0 = numberUtil.parsePercent(radius[0], viewSize);\n    this.r = numberUtil.parsePercent(radius[1], viewSize);\n    each(this._indicatorAxes, function (indicatorAxis, idx) {\n      indicatorAxis.setExtent(this.r0, this.r);\n      var angle = this.startAngle + idx * Math.PI * 2 / this._indicatorAxes.length; // Normalize to [-PI, PI]\n\n      angle = Math.atan2(Math.sin(angle), Math.cos(angle));\n      indicatorAxis.angle = angle;\n    }, this);\n  };\n\n  Radar.prototype.update = function (ecModel, api) {\n    var indicatorAxes = this._indicatorAxes;\n    var radarModel = this._model;\n    each(indicatorAxes, function (indicatorAxis) {\n      indicatorAxis.scale.setExtent(Infinity, -Infinity);\n    });\n    ecModel.eachSeriesByType('radar', function (radarSeries, idx) {\n      if (radarSeries.get('coordinateSystem') !== 'radar' // @ts-ignore\n      || ecModel.getComponent('radar', radarSeries.get('radarIndex')) !== radarModel) {\n        return;\n      }\n\n      var data = radarSeries.getData();\n      each(indicatorAxes, function (indicatorAxis) {\n        indicatorAxis.scale.unionExtentFromData(data, data.mapDimension(indicatorAxis.dim));\n      });\n    }, this);\n    var splitNumber = radarModel.get('splitNumber');\n\n    function increaseInterval(interval) {\n      var exp10 = Math.pow(10, Math.floor(Math.log(interval) / Math.LN10)); // Increase interval\n\n      var f = interval / exp10;\n\n      if (f === 2) {\n        f = 5;\n      } else {\n        // f is 2 or 5\n        f *= 2;\n      }\n\n      return f * exp10;\n    } // Force all the axis fixing the maxSplitNumber.\n\n\n    each(indicatorAxes, function (indicatorAxis, idx) {\n      var rawExtent = getScaleExtent(indicatorAxis.scale, indicatorAxis.model).extent;\n      niceScaleExtent(indicatorAxis.scale, indicatorAxis.model);\n      var axisModel = indicatorAxis.model;\n      var scale = indicatorAxis.scale;\n      var fixedMin = parseAxisModelMinMax(scale, axisModel.get('min', true));\n      var fixedMax = parseAxisModelMinMax(scale, axisModel.get('max', true));\n      var interval = scale.getInterval();\n\n      if (fixedMin != null && fixedMax != null) {\n        // User set min, max, divide to get new interval\n        scale.setExtent(+fixedMin, +fixedMax);\n        scale.setInterval((fixedMax - fixedMin) / splitNumber);\n      } else if (fixedMin != null) {\n        var max = void 0; // User set min, expand extent on the other side\n\n        do {\n          max = fixedMin + interval * splitNumber;\n          scale.setExtent(+fixedMin, max); // Interval must been set after extent\n          // FIXME\n\n          scale.setInterval(interval);\n          interval = increaseInterval(interval);\n        } while (max < rawExtent[1] && isFinite(max) && isFinite(rawExtent[1]));\n      } else if (fixedMax != null) {\n        var min = void 0; // User set min, expand extent on the other side\n\n        do {\n          min = fixedMax - interval * splitNumber;\n          scale.setExtent(min, +fixedMax);\n          scale.setInterval(interval);\n          interval = increaseInterval(interval);\n        } while (min > rawExtent[0] && isFinite(min) && isFinite(rawExtent[0]));\n      } else {\n        var nicedSplitNumber = scale.getTicks().length - 1;\n\n        if (nicedSplitNumber > splitNumber) {\n          interval = increaseInterval(interval);\n        } // TODO\n\n\n        var max = Math.ceil(rawExtent[1] / interval) * interval;\n        var min = numberUtil.round(max - interval * splitNumber);\n        scale.setExtent(min, max);\n        scale.setInterval(interval);\n      }\n    });\n  };\n\n  Radar.prototype.convertToPixel = function (ecModel, finder, value) {\n    console.warn('Not implemented.');\n    return null;\n  };\n\n  Radar.prototype.convertFromPixel = function (ecModel, finder, pixel) {\n    console.warn('Not implemented.');\n    return null;\n  };\n\n  Radar.prototype.containPoint = function (point) {\n    console.warn('Not implemented.');\n    return false;\n  };\n\n  Radar.create = function (ecModel, api) {\n    var radarList = [];\n    ecModel.eachComponent('radar', function (radarModel) {\n      var radar = new Radar(radarModel, ecModel, api);\n      radarList.push(radar);\n      radarModel.coordinateSystem = radar;\n    });\n    ecModel.eachSeriesByType('radar', function (radarSeries) {\n      if (radarSeries.get('coordinateSystem') === 'radar') {\n        // Inject coordinate system\n        // @ts-ignore\n        radarSeries.coordinateSystem = radarList[radarSeries.get('radarIndex') || 0];\n      }\n    });\n    return radarList;\n  };\n  /**\n   * Radar dimensions is based on the data\n   */\n\n\n  Radar.dimensions = [];\n  return Radar;\n}();\n\nexport default Radar;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport RadarModel from '../../coord/radar/RadarModel';\nimport RadarView from './RadarView';\nimport Radar from '../../coord/radar/Radar';\nexport function install(registers) {\n  registers.registerCoordinateSystem('radar', Radar);\n  registers.registerComponentModel(RadarModel);\n  registers.registerComponentView(RadarView);\n  registers.registerVisual({\n    seriesType: 'radar',\n    reset: function (seriesModel) {\n      var data = seriesModel.getData(); // itemVisual symbol is for selected data\n\n      data.each(function (idx) {\n        data.setItemVisual(idx, 'legendSymbol', 'roundRect');\n      }); // visual is for unselected data\n\n      data.setVisual('legendSymbol', 'roundRect');\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// @ts-nocheck\nimport * as echarts from '../../core/echarts';\nvar ATTR = '\\0_ec_interaction_mutex';\nexport function take(zr, resourceKey, userKey) {\n  var store = getStore(zr);\n  store[resourceKey] = userKey;\n}\nexport function release(zr, resourceKey, userKey) {\n  var store = getStore(zr);\n  var uKey = store[resourceKey];\n\n  if (uKey === userKey) {\n    store[resourceKey] = null;\n  }\n}\nexport function isTaken(zr, resourceKey) {\n  return !!getStore(zr)[resourceKey];\n}\n\nfunction getStore(zr) {\n  return zr[ATTR] || (zr[ATTR] = {});\n}\n/**\n * payload: {\n *     type: 'takeGlobalCursor',\n *     key: 'dataZoomSelect', or 'brush', or ...,\n *         If no userKey, release global cursor.\n * }\n */\n// TODO: SELF REGISTERED.\n\n\necharts.registerAction({\n  type: 'takeGlobalCursor',\n  event: 'globalCursorTaken',\n  update: 'update'\n}, function () {});","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport Eventful from 'zrender/lib/core/Eventful';\nimport * as eventTool from 'zrender/lib/core/event';\nimport * as interactionMutex from './interactionMutex';\nimport { isString, bind, defaults, clone } from 'zrender/lib/core/util';\n\nvar RoamController =\n/** @class */\nfunction (_super) {\n  __extends(RoamController, _super);\n\n  function RoamController(zr) {\n    var _this = _super.call(this) || this;\n\n    _this._zr = zr; // Avoid two roamController bind the same handler\n\n    var mousedownHandler = bind(_this._mousedownHandler, _this);\n    var mousemoveHandler = bind(_this._mousemoveHandler, _this);\n    var mouseupHandler = bind(_this._mouseupHandler, _this);\n    var mousewheelHandler = bind(_this._mousewheelHandler, _this);\n    var pinchHandler = bind(_this._pinchHandler, _this);\n    /**\n     * Notice: only enable needed types. For example, if 'zoom'\n     * is not needed, 'zoom' should not be enabled, otherwise\n     * default mousewheel behaviour (scroll page) will be disabled.\n     */\n\n    _this.enable = function (controlType, opt) {\n      // Disable previous first\n      this.disable();\n      this._opt = defaults(clone(opt) || {}, {\n        zoomOnMouseWheel: true,\n        moveOnMouseMove: true,\n        // By default, wheel do not trigger move.\n        moveOnMouseWheel: false,\n        preventDefaultMouseMove: true\n      });\n\n      if (controlType == null) {\n        controlType = true;\n      }\n\n      if (controlType === true || controlType === 'move' || controlType === 'pan') {\n        zr.on('mousedown', mousedownHandler);\n        zr.on('mousemove', mousemoveHandler);\n        zr.on('mouseup', mouseupHandler);\n      }\n\n      if (controlType === true || controlType === 'scale' || controlType === 'zoom') {\n        zr.on('mousewheel', mousewheelHandler);\n        zr.on('pinch', pinchHandler);\n      }\n    };\n\n    _this.disable = function () {\n      zr.off('mousedown', mousedownHandler);\n      zr.off('mousemove', mousemoveHandler);\n      zr.off('mouseup', mouseupHandler);\n      zr.off('mousewheel', mousewheelHandler);\n      zr.off('pinch', pinchHandler);\n    };\n\n    return _this;\n  }\n\n  RoamController.prototype.isDragging = function () {\n    return this._dragging;\n  };\n\n  RoamController.prototype.isPinching = function () {\n    return this._pinching;\n  };\n\n  RoamController.prototype.setPointerChecker = function (pointerChecker) {\n    this.pointerChecker = pointerChecker;\n  };\n\n  RoamController.prototype.dispose = function () {\n    this.disable();\n  };\n\n  RoamController.prototype._mousedownHandler = function (e) {\n    if (eventTool.isMiddleOrRightButtonOnMouseUpDown(e) || e.target && e.target.draggable) {\n      return;\n    }\n\n    var x = e.offsetX;\n    var y = e.offsetY; // Only check on mosedown, but not mousemove.\n    // Mouse can be out of target when mouse moving.\n\n    if (this.pointerChecker && this.pointerChecker(e, x, y)) {\n      this._x = x;\n      this._y = y;\n      this._dragging = true;\n    }\n  };\n\n  RoamController.prototype._mousemoveHandler = function (e) {\n    if (!this._dragging || !isAvailableBehavior('moveOnMouseMove', e, this._opt) || e.gestureEvent === 'pinch' || interactionMutex.isTaken(this._zr, 'globalPan')) {\n      return;\n    }\n\n    var x = e.offsetX;\n    var y = e.offsetY;\n    var oldX = this._x;\n    var oldY = this._y;\n    var dx = x - oldX;\n    var dy = y - oldY;\n    this._x = x;\n    this._y = y;\n    this._opt.preventDefaultMouseMove && eventTool.stop(e.event);\n    trigger(this, 'pan', 'moveOnMouseMove', e, {\n      dx: dx,\n      dy: dy,\n      oldX: oldX,\n      oldY: oldY,\n      newX: x,\n      newY: y,\n      isAvailableBehavior: null\n    });\n  };\n\n  RoamController.prototype._mouseupHandler = function (e) {\n    if (!eventTool.isMiddleOrRightButtonOnMouseUpDown(e)) {\n      this._dragging = false;\n    }\n  };\n\n  RoamController.prototype._mousewheelHandler = function (e) {\n    var shouldZoom = isAvailableBehavior('zoomOnMouseWheel', e, this._opt);\n    var shouldMove = isAvailableBehavior('moveOnMouseWheel', e, this._opt);\n    var wheelDelta = e.wheelDelta;\n    var absWheelDeltaDelta = Math.abs(wheelDelta);\n    var originX = e.offsetX;\n    var originY = e.offsetY; // wheelDelta maybe -0 in chrome mac.\n\n    if (wheelDelta === 0 || !shouldZoom && !shouldMove) {\n      return;\n    } // If both `shouldZoom` and `shouldMove` is true, trigger\n    // their event both, and the final behavior is determined\n    // by event listener themselves.\n\n\n    if (shouldZoom) {\n      // Convenience:\n      // Mac and VM Windows on Mac: scroll up: zoom out.\n      // Windows: scroll up: zoom in.\n      // FIXME: Should do more test in different environment.\n      // wheelDelta is too complicated in difference nvironment\n      // (https://developer.mozilla.org/en-US/docs/Web/Events/mousewheel),\n      // although it has been normallized by zrender.\n      // wheelDelta of mouse wheel is bigger than touch pad.\n      var factor = absWheelDeltaDelta > 3 ? 1.4 : absWheelDeltaDelta > 1 ? 1.2 : 1.1;\n      var scale = wheelDelta > 0 ? factor : 1 / factor;\n      checkPointerAndTrigger(this, 'zoom', 'zoomOnMouseWheel', e, {\n        scale: scale,\n        originX: originX,\n        originY: originY,\n        isAvailableBehavior: null\n      });\n    }\n\n    if (shouldMove) {\n      // FIXME: Should do more test in different environment.\n      var absDelta = Math.abs(wheelDelta); // wheelDelta of mouse wheel is bigger than touch pad.\n\n      var scrollDelta = (wheelDelta > 0 ? 1 : -1) * (absDelta > 3 ? 0.4 : absDelta > 1 ? 0.15 : 0.05);\n      checkPointerAndTrigger(this, 'scrollMove', 'moveOnMouseWheel', e, {\n        scrollDelta: scrollDelta,\n        originX: originX,\n        originY: originY,\n        isAvailableBehavior: null\n      });\n    }\n  };\n\n  RoamController.prototype._pinchHandler = function (e) {\n    if (interactionMutex.isTaken(this._zr, 'globalPan')) {\n      return;\n    }\n\n    var scale = e.pinchScale > 1 ? 1.1 : 1 / 1.1;\n    checkPointerAndTrigger(this, 'zoom', null, e, {\n      scale: scale,\n      originX: e.pinchX,\n      originY: e.pinchY,\n      isAvailableBehavior: null\n    });\n  };\n\n  return RoamController;\n}(Eventful);\n\nfunction checkPointerAndTrigger(controller, eventName, behaviorToCheck, e, contollerEvent) {\n  if (controller.pointerChecker && controller.pointerChecker(e, contollerEvent.originX, contollerEvent.originY)) {\n    // When mouse is out of roamController rect,\n    // default befavoius should not be be disabled, otherwise\n    // page sliding is disabled, contrary to expectation.\n    eventTool.stop(e.event);\n    trigger(controller, eventName, behaviorToCheck, e, contollerEvent);\n  }\n}\n\nfunction trigger(controller, eventName, behaviorToCheck, e, contollerEvent) {\n  // Also provide behavior checker for event listener, for some case that\n  // multiple components share one listener.\n  contollerEvent.isAvailableBehavior = bind(isAvailableBehavior, null, behaviorToCheck, e);\n  controller.trigger(eventName, contollerEvent);\n} // settings: {\n//     zoomOnMouseWheel\n//     moveOnMouseMove\n//     moveOnMouseWheel\n// }\n// The value can be: true / false / 'shift' / 'ctrl' / 'alt'.\n\n\nfunction isAvailableBehavior(behaviorToCheck, e, settings) {\n  var setting = settings[behaviorToCheck];\n  return !behaviorToCheck || setting && (!isString(setting) || e.event[setting + 'Key']);\n}\n\nexport default RoamController;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * For geo and graph.\n */\nexport function updateViewOnPan(controllerHost, dx, dy) {\n  var target = controllerHost.target;\n  target.x += dx;\n  target.y += dy;\n  target.dirty();\n}\n/**\n * For geo and graph.\n */\n\nexport function updateViewOnZoom(controllerHost, zoomDelta, zoomX, zoomY) {\n  var target = controllerHost.target;\n  var zoomLimit = controllerHost.zoomLimit;\n  var newZoom = controllerHost.zoom = controllerHost.zoom || 1;\n  newZoom *= zoomDelta;\n\n  if (zoomLimit) {\n    var zoomMin = zoomLimit.min || 0;\n    var zoomMax = zoomLimit.max || Infinity;\n    newZoom = Math.max(Math.min(zoomMax, newZoom), zoomMin);\n  }\n\n  var zoomScale = newZoom / controllerHost.zoom;\n  controllerHost.zoom = newZoom; // Keep the mouse center when scaling\n\n  target.x -= (zoomX - target.x) * (zoomScale - 1);\n  target.y -= (zoomY - target.y) * (zoomScale - 1);\n  target.scaleX *= zoomScale;\n  target.scaleY *= zoomScale;\n  target.dirty();\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar IRRELEVANT_EXCLUDES = {\n  'axisPointer': 1,\n  'tooltip': 1,\n  'brush': 1\n};\n/**\n * Avoid that: mouse click on a elements that is over geo or graph,\n * but roam is triggered.\n */\n\nexport function onIrrelevantElement(e, api, targetCoordSysModel) {\n  var model = api.getComponentByElement(e.topTarget); // If model is axisModel, it works only if it is injected with coordinateSystem.\n\n  var coordSys = model && model.coordinateSystem;\n  return model && model !== targetCoordSysModel && !IRRELEVANT_EXCLUDES.hasOwnProperty(model.mainType) && coordSys && coordSys.model !== targetCoordSysModel;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport RoamController from './RoamController';\nimport * as roamHelper from '../../component/helper/roamHelper';\nimport { onIrrelevantElement } from '../../component/helper/cursorHelper';\nimport * as graphic from '../../util/graphic';\nimport { enableHoverEmphasis, enableComponentHighDownFeatures, setDefaultStateProxy } from '../../util/states';\nimport geoSourceManager from '../../coord/geo/geoSourceManager';\nimport { getUID } from '../../util/component';\nimport { setLabelStyle, getLabelStatesModels, enableLayoutLayoutFeatures } from '../../label/labelStyle';\nimport { getECData } from '../../util/innerStore';\nimport { createOrUpdatePatternFromDecal } from '../../util/decal';\nimport Displayable from 'zrender/lib/graphic/Displayable';\nimport { makeInner } from '../../util/model';\n/**\n * Only these tags enable use `itemStyle` if they are named in SVG.\n * Other tags like <text> <tspan> <image> might not suitable for `itemStyle`.\n * They will not be considered to be styled until some requirements come.\n */\n\nvar OPTION_STYLE_ENABLED_TAGS = ['rect', 'circle', 'line', 'ellipse', 'polygon', 'polyline', 'path'];\nvar OPTION_STYLE_ENABLED_TAG_MAP = zrUtil.createHashMap(OPTION_STYLE_ENABLED_TAGS);\nvar STATE_TRIGGER_TAG_MAP = zrUtil.createHashMap(OPTION_STYLE_ENABLED_TAGS.concat(['g']));\nvar LABEL_HOST_MAP = zrUtil.createHashMap(OPTION_STYLE_ENABLED_TAGS.concat(['g']));\nvar mapLabelRaw = makeInner();\n\nfunction getFixedItemStyle(model) {\n  var itemStyle = model.getItemStyle();\n  var areaColor = model.get('areaColor'); // If user want the color not to be changed when hover,\n  // they should both set areaColor and color to be null.\n\n  if (areaColor != null) {\n    itemStyle.fill = areaColor;\n  }\n\n  return itemStyle;\n}\n\nvar MapDraw =\n/** @class */\nfunction () {\n  function MapDraw(api) {\n    var group = new graphic.Group();\n    this.uid = getUID('ec_map_draw');\n    this._controller = new RoamController(api.getZr());\n    this._controllerHost = {\n      target: group\n    };\n    this.group = group;\n    group.add(this._regionsGroup = new graphic.Group());\n    group.add(this._svgGroup = new graphic.Group());\n  }\n\n  MapDraw.prototype.draw = function (mapOrGeoModel, ecModel, api, fromView, payload) {\n    var isGeo = mapOrGeoModel.mainType === 'geo'; // Map series has data. GEO model that controlled by map series\n    // will be assigned with map data. Other GEO model has no data.\n\n    var data = mapOrGeoModel.getData && mapOrGeoModel.getData();\n    isGeo && ecModel.eachComponent({\n      mainType: 'series',\n      subType: 'map'\n    }, function (mapSeries) {\n      if (!data && mapSeries.getHostGeoModel() === mapOrGeoModel) {\n        data = mapSeries.getData();\n      }\n    });\n    var geo = mapOrGeoModel.coordinateSystem;\n    var regionsGroup = this._regionsGroup;\n    var group = this.group;\n    var transformInfo = geo.getTransformInfo();\n    var transformInfoRaw = transformInfo.raw;\n    var transformInfoRoam = transformInfo.roam; // No animation when first draw or in action\n\n    var isFirstDraw = !regionsGroup.childAt(0) || payload;\n\n    if (isFirstDraw) {\n      group.x = transformInfoRoam.x;\n      group.y = transformInfoRoam.y;\n      group.scaleX = transformInfoRoam.scaleX;\n      group.scaleY = transformInfoRoam.scaleY;\n      group.dirty();\n    } else {\n      graphic.updateProps(group, transformInfoRoam, mapOrGeoModel);\n    }\n\n    var isVisualEncodedByVisualMap = data && data.getVisual('visualMeta') && data.getVisual('visualMeta').length > 0;\n    var viewBuildCtx = {\n      api: api,\n      geo: geo,\n      mapOrGeoModel: mapOrGeoModel,\n      data: data,\n      isVisualEncodedByVisualMap: isVisualEncodedByVisualMap,\n      isGeo: isGeo,\n      transformInfoRaw: transformInfoRaw\n    };\n\n    if (geo.resourceType === 'geoJSON') {\n      this._buildGeoJSON(viewBuildCtx);\n    } else if (geo.resourceType === 'geoSVG') {\n      this._buildSVG(viewBuildCtx);\n    }\n\n    this._updateController(mapOrGeoModel, ecModel, api);\n\n    this._updateMapSelectHandler(mapOrGeoModel, regionsGroup, api, fromView);\n  };\n\n  MapDraw.prototype._buildGeoJSON = function (viewBuildCtx) {\n    var nameMap = this._regionsGroupByName = zrUtil.createHashMap();\n    var regionsGroup = this._regionsGroup;\n    var transformInfoRaw = viewBuildCtx.transformInfoRaw;\n    var mapOrGeoModel = viewBuildCtx.mapOrGeoModel;\n    var data = viewBuildCtx.data;\n\n    var transformPoint = function (point) {\n      return [point[0] * transformInfoRaw.scaleX + transformInfoRaw.x, point[1] * transformInfoRaw.scaleY + transformInfoRaw.y];\n    };\n\n    regionsGroup.removeAll(); // Only when the resource is GeoJSON, there is `geo.regions`.\n\n    zrUtil.each(viewBuildCtx.geo.regions, function (region) {\n      var regionName = region.name;\n      var regionModel = mapOrGeoModel.getRegionModel(regionName);\n      var dataIdx = data ? data.indexOfName(regionName) : null; // Consider in GeoJson properties.name may be duplicated, for example,\n      // there is multiple region named \"United Kindom\" or \"France\" (so many\n      // colonies). And it is not appropriate to merge them in geo, which\n      // will make them share the same label and bring trouble in label\n      // location calculation.\n\n      var regionGroup = nameMap.get(regionName);\n      var hasRegionGroup = !!regionGroup;\n\n      if (!hasRegionGroup) {\n        regionGroup = nameMap.set(regionName, new graphic.Group());\n        regionsGroup.add(regionGroup);\n      }\n\n      var compoundPath = new graphic.CompoundPath({\n        segmentIgnoreThreshold: 1,\n        shape: {\n          paths: []\n        }\n      });\n      regionGroup.add(compoundPath);\n\n      if (!hasRegionGroup) {\n        // ensure children have been added to group before calling resetEventTriggerForRegion\n        resetEventTriggerForRegion(viewBuildCtx, regionGroup, regionName, regionModel, mapOrGeoModel, dataIdx);\n        resetTooltipForRegion(viewBuildCtx, regionGroup, regionName, regionModel, mapOrGeoModel);\n        resetStateTriggerForRegion(viewBuildCtx, regionGroup, regionName, regionModel, mapOrGeoModel);\n      }\n\n      zrUtil.each(region.geometries, function (geometry) {\n        if (geometry.type !== 'polygon') {\n          return;\n        }\n\n        var points = [];\n\n        for (var i = 0; i < geometry.exterior.length; ++i) {\n          points.push(transformPoint(geometry.exterior[i]));\n        }\n\n        compoundPath.shape.paths.push(new graphic.Polygon({\n          segmentIgnoreThreshold: 1,\n          shape: {\n            points: points\n          }\n        }));\n\n        for (var i = 0; i < (geometry.interiors ? geometry.interiors.length : 0); ++i) {\n          var interior = geometry.interiors[i];\n          var points_1 = [];\n\n          for (var j = 0; j < interior.length; ++j) {\n            points_1.push(transformPoint(interior[j]));\n          }\n\n          compoundPath.shape.paths.push(new graphic.Polygon({\n            segmentIgnoreThreshold: 1,\n            shape: {\n              points: points_1\n            }\n          }));\n        }\n      });\n      applyOptionStyleForRegion(viewBuildCtx, compoundPath, dataIdx, regionModel);\n\n      if (compoundPath instanceof Displayable) {\n        compoundPath.culling = true;\n      }\n\n      var centerPt = transformPoint(region.getCenter());\n      resetLabelForRegion(viewBuildCtx, compoundPath, regionName, regionModel, mapOrGeoModel, dataIdx, centerPt);\n    }, this);\n  };\n\n  MapDraw.prototype._buildSVG = function (viewBuildCtx) {\n    var mapName = viewBuildCtx.geo.map;\n    var transformInfoRaw = viewBuildCtx.transformInfoRaw;\n    this._svgGroup.x = transformInfoRaw.x;\n    this._svgGroup.y = transformInfoRaw.y;\n    this._svgGroup.scaleX = transformInfoRaw.scaleX;\n    this._svgGroup.scaleY = transformInfoRaw.scaleY;\n\n    if (this._svgResourceChanged(mapName)) {\n      this._freeSVG();\n\n      this._useSVG(mapName);\n    }\n\n    var svgDispatcherMap = this._svgDispatcherMap = zrUtil.createHashMap();\n    var focusSelf = false;\n    zrUtil.each(this._svgGraphicRecord.named, function (namedItem) {\n      // Note that we also allow different elements have the same name.\n      // For example, a glyph of a city and the label of the city have\n      // the same name and their tooltip info can be defined in a single\n      // region option.\n      var regionName = namedItem.name;\n      var mapOrGeoModel = viewBuildCtx.mapOrGeoModel;\n      var data = viewBuildCtx.data;\n      var svgNodeTagLower = namedItem.svgNodeTagLower;\n      var el = namedItem.el;\n      var dataIdx = data ? data.indexOfName(regionName) : null;\n      var regionModel = mapOrGeoModel.getRegionModel(regionName);\n\n      if (OPTION_STYLE_ENABLED_TAG_MAP.get(svgNodeTagLower) != null && el instanceof Displayable) {\n        applyOptionStyleForRegion(viewBuildCtx, el, dataIdx, regionModel);\n      }\n\n      if (el instanceof Displayable) {\n        el.culling = true;\n      } // We do not know how the SVG like so we'd better not to change z2.\n      // Otherwise it might bring some unexpected result. For example,\n      // an area hovered that make some inner city can not be clicked.\n\n\n      el.z2EmphasisLift = 0; // If self named, that is, if tag is inside a named <g> (where `namedFrom` does not exists):\n\n      if (!namedItem.namedFrom) {\n        // label should batter to be displayed based on the center of <g>\n        // if it is named rather than displayed on each child.\n        if (LABEL_HOST_MAP.get(svgNodeTagLower) != null) {\n          resetLabelForRegion(viewBuildCtx, el, regionName, regionModel, mapOrGeoModel, dataIdx, null);\n        }\n\n        resetEventTriggerForRegion(viewBuildCtx, el, regionName, regionModel, mapOrGeoModel, dataIdx);\n        resetTooltipForRegion(viewBuildCtx, el, regionName, regionModel, mapOrGeoModel);\n\n        if (STATE_TRIGGER_TAG_MAP.get(svgNodeTagLower) != null) {\n          var focus_1 = resetStateTriggerForRegion(viewBuildCtx, el, regionName, regionModel, mapOrGeoModel);\n\n          if (focus_1 === 'self') {\n            focusSelf = true;\n          }\n\n          var els = svgDispatcherMap.get(regionName) || svgDispatcherMap.set(regionName, []);\n          els.push(el);\n        }\n      }\n    }, this);\n\n    this._enableBlurEntireSVG(focusSelf, viewBuildCtx);\n  };\n\n  MapDraw.prototype._enableBlurEntireSVG = function (focusSelf, viewBuildCtx) {\n    // It's a little complicated to support blurring the entire geoSVG in series-map.\n    // So do not suport it until some requirements come.\n    // At present, in series-map, only regions can be blurred.\n    if (focusSelf && viewBuildCtx.isGeo) {\n      var blurStyle = viewBuildCtx.mapOrGeoModel.getModel(['blur', 'itemStyle']).getItemStyle(); // Only suport `opacity` here. Because not sure that other props are suitable for\n      // all of the elements generated by SVG (especially for Text/TSpan/Image/... ).\n\n      var opacity_1 = blurStyle.opacity;\n\n      this._svgGraphicRecord.root.traverse(function (el) {\n        if (!el.isGroup) {\n          // PENDING: clear those settings to SVG elements when `_freeSVG`.\n          // (Currently it happen not to be needed.)\n          setDefaultStateProxy(el);\n          var style = el.ensureState('blur').style || {}; // Do not overwrite the region style that already set from region option.\n\n          if (style.opacity == null && opacity_1 != null) {\n            style.opacity = opacity_1;\n          } // If `ensureState('blur').style = {}`, there will be default opacity.\n          // Enable `stateTransition` (animation).\n\n\n          el.ensureState('emphasis');\n        }\n      });\n    }\n  };\n\n  MapDraw.prototype.remove = function () {\n    this._regionsGroup.removeAll();\n\n    this._regionsGroupByName = null;\n\n    this._svgGroup.removeAll();\n\n    this._freeSVG();\n\n    this._controller.dispose();\n\n    this._controllerHost = null;\n  };\n\n  MapDraw.prototype.findHighDownDispatchers = function (name, geoModel) {\n    if (name == null) {\n      return [];\n    }\n\n    var geo = geoModel.coordinateSystem;\n\n    if (geo.resourceType === 'geoJSON') {\n      var regionsGroupByName = this._regionsGroupByName;\n\n      if (regionsGroupByName) {\n        var regionGroup = regionsGroupByName.get(name);\n        return regionGroup ? [regionGroup] : [];\n      }\n    } else if (geo.resourceType === 'geoSVG') {\n      return this._svgDispatcherMap && this._svgDispatcherMap.get(name) || [];\n    }\n  };\n\n  MapDraw.prototype._svgResourceChanged = function (mapName) {\n    return this._svgMapName !== mapName;\n  };\n\n  MapDraw.prototype._useSVG = function (mapName) {\n    var resource = geoSourceManager.getGeoResource(mapName);\n\n    if (resource && resource.type === 'geoSVG') {\n      var svgGraphic = resource.useGraphic(this.uid);\n\n      this._svgGroup.add(svgGraphic.root);\n\n      this._svgGraphicRecord = svgGraphic;\n      this._svgMapName = mapName;\n    }\n  };\n\n  MapDraw.prototype._freeSVG = function () {\n    var mapName = this._svgMapName;\n\n    if (mapName == null) {\n      return;\n    }\n\n    var resource = geoSourceManager.getGeoResource(mapName);\n\n    if (resource && resource.type === 'geoSVG') {\n      resource.freeGraphic(this.uid);\n    }\n\n    this._svgGraphicRecord = null;\n    this._svgDispatcherMap = null;\n\n    this._svgGroup.removeAll();\n\n    this._svgMapName = null;\n  };\n\n  MapDraw.prototype._updateController = function (mapOrGeoModel, ecModel, api) {\n    var geo = mapOrGeoModel.coordinateSystem;\n    var controller = this._controller;\n    var controllerHost = this._controllerHost; // @ts-ignore FIXME:TS\n\n    controllerHost.zoomLimit = mapOrGeoModel.get('scaleLimit');\n    controllerHost.zoom = geo.getZoom(); // roamType is will be set default true if it is null\n    // @ts-ignore FIXME:TS\n\n    controller.enable(mapOrGeoModel.get('roam') || false);\n    var mainType = mapOrGeoModel.mainType;\n\n    function makeActionBase() {\n      var action = {\n        type: 'geoRoam',\n        componentType: mainType\n      };\n      action[mainType + 'Id'] = mapOrGeoModel.id;\n      return action;\n    }\n\n    controller.off('pan').on('pan', function (e) {\n      this._mouseDownFlag = false;\n      roamHelper.updateViewOnPan(controllerHost, e.dx, e.dy);\n      api.dispatchAction(zrUtil.extend(makeActionBase(), {\n        dx: e.dx,\n        dy: e.dy\n      }));\n    }, this);\n    controller.off('zoom').on('zoom', function (e) {\n      this._mouseDownFlag = false;\n      roamHelper.updateViewOnZoom(controllerHost, e.scale, e.originX, e.originY);\n      api.dispatchAction(zrUtil.extend(makeActionBase(), {\n        zoom: e.scale,\n        originX: e.originX,\n        originY: e.originY\n      }));\n    }, this);\n    controller.setPointerChecker(function (e, x, y) {\n      return geo.containPoint([x, y]) && !onIrrelevantElement(e, api, mapOrGeoModel);\n    });\n  };\n  /**\n   * FIXME: this is a temporarily workaround.\n   * When `geoRoam` the elements need to be reset in `MapView['render']`, because the props like\n   * `ignore` might have been modified by `LabelManager`, and `LabelManager#addLabelsOfSeries`\n   * will subsequently cache `defaultAttr` like `ignore`. If do not do this reset, the modified\n   * props will have no chance to be restored.\n   * Note: this reset should be after `clearStates` in `renderSeries` becuase `useStates` in\n   * `renderSeries` will cache the modified `ignore` to `el._normalState`.\n   * TODO:\n   * Use clone/immutable in `LabelManager`?\n   */\n\n\n  MapDraw.prototype.resetForLabelLayout = function () {\n    this.group.traverse(function (el) {\n      var label = el.getTextContent();\n\n      if (label) {\n        label.ignore = mapLabelRaw(label).ignore;\n      }\n    });\n  };\n\n  MapDraw.prototype._updateMapSelectHandler = function (mapOrGeoModel, regionsGroup, api, fromView) {\n    var mapDraw = this;\n    regionsGroup.off('mousedown');\n    regionsGroup.off('click'); // @ts-ignore FIXME:TS resolve type conflict\n\n    if (mapOrGeoModel.get('selectedMode')) {\n      regionsGroup.on('mousedown', function () {\n        mapDraw._mouseDownFlag = true;\n      });\n      regionsGroup.on('click', function (e) {\n        if (!mapDraw._mouseDownFlag) {\n          return;\n        }\n\n        mapDraw._mouseDownFlag = false;\n      });\n    }\n  };\n\n  return MapDraw;\n}();\n\n;\n\nfunction applyOptionStyleForRegion(viewBuildCtx, el, dataIndex, regionModel) {\n  // All of the path are using `itemStyle`, becuase\n  // (1) Some SVG also use fill on polyline (The different between\n  // polyline and polygon is \"open\" or \"close\" but not fill or not).\n  // (2) For the common props like opacity, if some use itemStyle\n  // and some use `lineStyle`, it might confuse users.\n  // (3) Most SVG use <path>, where can not detect wether draw a \"line\"\n  // or a filled shape, so use `itemStyle` for <path>.\n  var normalStyleModel = regionModel.getModel('itemStyle');\n  var emphasisStyleModel = regionModel.getModel(['emphasis', 'itemStyle']);\n  var blurStyleModel = regionModel.getModel(['blur', 'itemStyle']);\n  var selectStyleModel = regionModel.getModel(['select', 'itemStyle']); // NOTE: DONT use 'style' in visual when drawing map.\n  // This component is used for drawing underlying map for both geo component and map series.\n\n  var normalStyle = getFixedItemStyle(normalStyleModel);\n  var emphasisStyle = getFixedItemStyle(emphasisStyleModel);\n  var selectStyle = getFixedItemStyle(selectStyleModel);\n  var blurStyle = getFixedItemStyle(blurStyleModel); // Update the itemStyle if has data visual\n\n  var data = viewBuildCtx.data;\n\n  if (data) {\n    // Only visual color of each item will be used. It can be encoded by visualMap\n    // But visual color of series is used in symbol drawing\n    // Visual color for each series is for the symbol draw\n    var style = data.getItemVisual(dataIndex, 'style');\n    var decal = data.getItemVisual(dataIndex, 'decal');\n\n    if (viewBuildCtx.isVisualEncodedByVisualMap && style.fill) {\n      normalStyle.fill = style.fill;\n    }\n\n    if (decal) {\n      normalStyle.decal = createOrUpdatePatternFromDecal(decal, viewBuildCtx.api);\n    }\n  } // SVG text, tspan and image can be named but not supporeted\n  // to be styled by region option yet.\n\n\n  el.setStyle(normalStyle);\n  el.style.strokeNoScale = true;\n  el.ensureState('emphasis').style = emphasisStyle;\n  el.ensureState('select').style = selectStyle;\n  el.ensureState('blur').style = blurStyle; // Enable blur\n\n  setDefaultStateProxy(el);\n}\n\nfunction resetLabelForRegion(viewBuildCtx, el, regionName, regionModel, mapOrGeoModel, // Exist only if `viewBuildCtx.data` exists.\ndataIdx, // If labelXY not provided, use `textConfig.position: 'inside'`\nlabelXY) {\n  var data = viewBuildCtx.data;\n  var isGeo = viewBuildCtx.isGeo;\n  var isDataNaN = data && isNaN(data.get(data.mapDimension('value'), dataIdx));\n  var itemLayout = data && data.getItemLayout(dataIdx); // In the following cases label will be drawn\n  // 1. In map series and data value is NaN\n  // 2. In geo component\n  // 3. Region has no series legendSymbol, which will be add a showLabel flag in mapSymbolLayout\n\n  if (isGeo || isDataNaN || itemLayout && itemLayout.showLabel) {\n    var query = !isGeo ? dataIdx : regionName;\n    var labelFetcher = void 0; // Consider dataIdx not found.\n\n    if (!data || dataIdx >= 0) {\n      labelFetcher = mapOrGeoModel;\n    }\n\n    var specifiedTextOpt = labelXY ? {\n      normal: {\n        align: 'center',\n        verticalAlign: 'middle'\n      }\n    } : null; // Caveat: must be called after `setDefaultStateProxy(el);` called.\n    // because textContent will be assign with `el.stateProxy` inside.\n\n    setLabelStyle(el, getLabelStatesModels(regionModel), {\n      labelFetcher: labelFetcher,\n      labelDataIndex: query,\n      defaultText: regionName\n    }, specifiedTextOpt);\n    var textEl = el.getTextContent();\n\n    if (textEl) {\n      mapLabelRaw(textEl).ignore = textEl.ignore;\n\n      if (el.textConfig) {\n        if (labelXY) {\n          // Compute a relative offset based on the el bounding rect.\n          var rect = el.getBoundingRect().clone();\n          el.textConfig.position = [(labelXY[0] - rect.x) / rect.width * 100 + '%', (labelXY[1] - rect.y) / rect.height * 100 + '%'];\n        }\n      }\n    }\n\n    enableLayoutLayoutFeatures(el, dataIdx, null);\n    el.disableLabelAnimation = true;\n  } else {\n    el.removeTextContent();\n    el.removeTextConfig();\n    el.disableLabelAnimation = null;\n  }\n}\n\nfunction resetEventTriggerForRegion(viewBuildCtx, eventTrigger, regionName, regionModel, mapOrGeoModel, // Exist only if `viewBuildCtx.data` exists.\ndataIdx) {\n  // setItemGraphicEl, setHoverStyle after all polygons and labels\n  // are added to the rigionGroup\n  if (viewBuildCtx.data) {\n    // FIXME: when series-map use a SVG map, and there are duplicated name specified\n    // on different SVG elements, after `data.setItemGraphicEl(...)`:\n    // (1) all of them will be mounted with `dataIndex`, `seriesIndex`, so that tooltip\n    // can be triggered only mouse hover. That's correct.\n    // (2) only the last element will be kept in `data`, so that if trigger tooltip\n    // by `dispatchAction`, only the last one can be found and triggered. That might be\n    // not correct. We will fix it in future if anyone demanding that.\n    viewBuildCtx.data.setItemGraphicEl(dataIdx, eventTrigger);\n  } // series-map will not trigger \"geoselectchange\" no matter it is\n  // based on a declared geo component. Becuause series-map will\n  // trigger \"selectchange\". If it trigger both the two events,\n  // If users call `chart.dispatchAction({type: 'toggleSelect'})`,\n  // it not easy to also fire event \"geoselectchanged\".\n  else {\n      // Package custom mouse event for geo component\n      getECData(eventTrigger).eventData = {\n        componentType: 'geo',\n        componentIndex: mapOrGeoModel.componentIndex,\n        geoIndex: mapOrGeoModel.componentIndex,\n        name: regionName,\n        region: regionModel && regionModel.option || {}\n      };\n    }\n}\n\nfunction resetTooltipForRegion(viewBuildCtx, el, regionName, regionModel, mapOrGeoModel) {\n  if (!viewBuildCtx.data) {\n    graphic.setTooltipConfig({\n      el: el,\n      componentModel: mapOrGeoModel,\n      itemName: regionName,\n      // @ts-ignore FIXME:TS fix the \"compatible with each other\"?\n      itemTooltipOption: regionModel.get('tooltip')\n    });\n  }\n}\n\nfunction resetStateTriggerForRegion(viewBuildCtx, el, regionName, regionModel, mapOrGeoModel) {\n  // @ts-ignore FIXME:TS fix the \"compatible with each other\"?\n  el.highDownSilentOnTouch = !!mapOrGeoModel.get('selectedMode'); // @ts-ignore FIXME:TS fix the \"compatible with each other\"?\n\n  var emphasisModel = regionModel.getModel('emphasis');\n  var focus = emphasisModel.get('focus');\n  enableHoverEmphasis(el, focus, emphasisModel.get('blurScope'));\n\n  if (viewBuildCtx.isGeo) {\n    enableComponentHighDownFeatures(el, mapOrGeoModel, regionName);\n  }\n\n  return focus;\n}\n\nexport default MapDraw; // @ts-ignore FIXME:TS fix the \"compatible with each other\"?","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as graphic from '../../util/graphic';\nimport MapDraw from '../../component/helper/MapDraw';\nimport ChartView from '../../view/Chart';\nimport { setLabelStyle, getLabelStatesModels } from '../../label/labelStyle';\nimport { setStatesFlag, Z2_EMPHASIS_LIFT } from '../../util/states';\n\nvar MapView =\n/** @class */\nfunction (_super) {\n  __extends(MapView, _super);\n\n  function MapView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = MapView.type;\n    return _this;\n  }\n\n  MapView.prototype.render = function (mapModel, ecModel, api, payload) {\n    // Not render if it is an toggleSelect action from self\n    if (payload && payload.type === 'mapToggleSelect' && payload.from === this.uid) {\n      return;\n    }\n\n    var group = this.group;\n    group.removeAll();\n\n    if (mapModel.getHostGeoModel()) {\n      return;\n    }\n\n    if (this._mapDraw && payload && payload.type === 'geoRoam') {\n      this._mapDraw.resetForLabelLayout();\n    } // Not update map if it is an roam action from self\n\n\n    if (!(payload && payload.type === 'geoRoam' && payload.componentType === 'series' && payload.seriesId === mapModel.id)) {\n      if (mapModel.needsDrawMap) {\n        var mapDraw = this._mapDraw || new MapDraw(api);\n        group.add(mapDraw.group);\n        mapDraw.draw(mapModel, ecModel, api, this, payload);\n        this._mapDraw = mapDraw;\n      } else {\n        // Remove drawed map\n        this._mapDraw && this._mapDraw.remove();\n        this._mapDraw = null;\n      }\n    } else {\n      var mapDraw = this._mapDraw;\n      mapDraw && group.add(mapDraw.group);\n    }\n\n    mapModel.get('showLegendSymbol') && ecModel.getComponent('legend') && this._renderSymbols(mapModel, ecModel, api);\n  };\n\n  MapView.prototype.remove = function () {\n    this._mapDraw && this._mapDraw.remove();\n    this._mapDraw = null;\n    this.group.removeAll();\n  };\n\n  MapView.prototype.dispose = function () {\n    this._mapDraw && this._mapDraw.remove();\n    this._mapDraw = null;\n  };\n\n  MapView.prototype._renderSymbols = function (mapModel, ecModel, api) {\n    var originalData = mapModel.originalData;\n    var group = this.group;\n    originalData.each(originalData.mapDimension('value'), function (value, originalDataIndex) {\n      if (isNaN(value)) {\n        return;\n      }\n\n      var layout = originalData.getItemLayout(originalDataIndex);\n\n      if (!layout || !layout.point) {\n        // Not exists in map\n        return;\n      }\n\n      var point = layout.point;\n      var offset = layout.offset;\n      var circle = new graphic.Circle({\n        style: {\n          // Because the special of map draw.\n          // Which needs statistic of multiple series and draw on one map.\n          // And each series also need a symbol with legend color\n          //\n          // Layout and visual are put one the different data\n          // TODO\n          fill: mapModel.getData().getVisual('style').fill\n        },\n        shape: {\n          cx: point[0] + offset * 9,\n          cy: point[1],\n          r: 3\n        },\n        silent: true,\n        // Do not overlap the first series, on which labels are displayed.\n        z2: 8 + (!offset ? Z2_EMPHASIS_LIFT + 1 : 0)\n      }); // Only the series that has the first value on the same region is in charge of rendering the label.\n      // But consider the case:\n      // series: [\n      //     {id: 'X', type: 'map', map: 'm', {data: [{name: 'A', value: 11}, {name: 'B', {value: 22}]},\n      //     {id: 'Y', type: 'map', map: 'm', {data: [{name: 'A', value: 21}, {name: 'C', {value: 33}]}\n      // ]\n      // The offset `0` of item `A` is at series `X`, but of item `C` is at series `Y`.\n      // For backward compatibility, we follow the rule that render label `A` by the\n      // settings on series `X` but render label `C` by the settings on series `Y`.\n\n      if (!offset) {\n        var fullData = mapModel.mainSeries.getData();\n        var name_1 = originalData.getName(originalDataIndex);\n        var fullIndex_1 = fullData.indexOfName(name_1);\n        var itemModel = originalData.getItemModel(originalDataIndex);\n        var labelModel = itemModel.getModel('label');\n        var regionGroup = fullData.getItemGraphicEl(fullIndex_1); // `getFormattedLabel` needs to use `getData` inside. Here\n        // `mapModel.getData()` is shallow cloned from `mainSeries.getData()`.\n        // FIXME\n        // If this is not the `mainSeries`, the item model (like label formatter)\n        // set on original data item will never get. But it has been working\n        // like that from the begining, and this scenario is rarely encountered.\n        // So it won't be fixed until have to.\n\n        setLabelStyle(circle, getLabelStatesModels(itemModel), {\n          labelFetcher: {\n            getFormattedLabel: function (idx, state) {\n              return mapModel.getFormattedLabel(fullIndex_1, state);\n            }\n          }\n        });\n        circle.disableLabelAnimation = true;\n\n        if (!labelModel.get('position')) {\n          circle.setTextConfig({\n            position: 'bottom'\n          });\n        }\n\n        regionGroup.onHoverStateChange = function (toState) {\n          setStatesFlag(circle, toState);\n        };\n      }\n\n      group.add(circle);\n    });\n  };\n\n  MapView.type = 'map';\n  return MapView;\n}(ChartView);\n\nexport default MapView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport createListSimply from '../helper/createListSimply';\nimport SeriesModel from '../../model/Series';\nimport geoSourceManager from '../../coord/geo/geoSourceManager';\nimport { makeSeriesEncodeForNameBased } from '../../data/helper/sourceHelper';\nimport { createTooltipMarkup } from '../../component/tooltip/tooltipMarkup';\nimport { createSymbol } from '../../util/symbol';\n\nvar MapSeries =\n/** @class */\nfunction (_super) {\n  __extends(MapSeries, _super);\n\n  function MapSeries() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = MapSeries.type; // Only first map series of same mapType will drawMap.\n\n    _this.needsDrawMap = false; // Group of all map series with same mapType\n\n    _this.seriesGroup = [];\n\n    _this.getTooltipPosition = function (dataIndex) {\n      if (dataIndex != null) {\n        var name_1 = this.getData().getName(dataIndex);\n        var geo = this.coordinateSystem;\n        var region = geo.getRegion(name_1);\n        return region && geo.dataToPoint(region.getCenter());\n      }\n    };\n\n    return _this;\n  }\n\n  MapSeries.prototype.getInitialData = function (option) {\n    var data = createListSimply(this, {\n      coordDimensions: ['value'],\n      encodeDefaulter: zrUtil.curry(makeSeriesEncodeForNameBased, this)\n    });\n    var dataNameMap = zrUtil.createHashMap();\n    var toAppendNames = [];\n\n    for (var i = 0, len = data.count(); i < len; i++) {\n      var name_2 = data.getName(i);\n      dataNameMap.set(name_2, true);\n    }\n\n    var geoSource = geoSourceManager.load(this.getMapType(), this.option.nameMap, this.option.nameProperty);\n    zrUtil.each(geoSource.regions, function (region) {\n      var name = region.name;\n\n      if (!dataNameMap.get(name)) {\n        toAppendNames.push(name);\n      }\n    }); // Complete data with missing regions. The consequent processes (like visual\n    // map and render) can not be performed without a \"full data\". For example,\n    // find `dataIndex` by name.\n\n    data.appendValues([], toAppendNames);\n    return data;\n  };\n  /**\n   * If no host geo model, return null, which means using a\n   * inner exclusive geo model.\n   */\n\n\n  MapSeries.prototype.getHostGeoModel = function () {\n    var geoIndex = this.option.geoIndex;\n    return geoIndex != null ? this.ecModel.getComponent('geo', geoIndex) : null;\n  };\n\n  MapSeries.prototype.getMapType = function () {\n    return (this.getHostGeoModel() || this).option.map;\n  }; // _fillOption(option, mapName) {\n  // Shallow clone\n  // option = zrUtil.extend({}, option);\n  // option.data = geoCreator.getFilledRegions(option.data, mapName, option.nameMap);\n  // return option;\n  // }\n\n\n  MapSeries.prototype.getRawValue = function (dataIndex) {\n    // Use value stored in data instead because it is calculated from multiple series\n    // FIXME Provide all value of multiple series ?\n    var data = this.getData();\n    return data.get(data.mapDimension('value'), dataIndex);\n  };\n  /**\n   * Get model of region\n   */\n\n\n  MapSeries.prototype.getRegionModel = function (regionName) {\n    var data = this.getData();\n    return data.getItemModel(data.indexOfName(regionName));\n  };\n  /**\n   * Map tooltip formatter\n   */\n\n\n  MapSeries.prototype.formatTooltip = function (dataIndex, multipleSeries, dataType) {\n    // FIXME orignalData and data is a bit confusing\n    var data = this.getData();\n    var value = this.getRawValue(dataIndex);\n    var name = data.getName(dataIndex);\n    var seriesGroup = this.seriesGroup;\n    var seriesNames = [];\n\n    for (var i = 0; i < seriesGroup.length; i++) {\n      var otherIndex = seriesGroup[i].originalData.indexOfName(name);\n      var valueDim = data.mapDimension('value');\n\n      if (!isNaN(seriesGroup[i].originalData.get(valueDim, otherIndex))) {\n        seriesNames.push(seriesGroup[i].name);\n      }\n    }\n\n    return createTooltipMarkup('section', {\n      header: seriesNames.join(', '),\n      noHeader: !seriesNames.length,\n      blocks: [createTooltipMarkup('nameValue', {\n        name: name,\n        value: value\n      })]\n    });\n  };\n\n  MapSeries.prototype.setZoom = function (zoom) {\n    this.option.zoom = zoom;\n  };\n\n  MapSeries.prototype.setCenter = function (center) {\n    this.option.center = center;\n  };\n\n  MapSeries.prototype.getLegendIcon = function (opt) {\n    var symbolType = opt.symbolType || 'roundRect';\n    var symbol = createSymbol(symbolType, 0, 0, opt.itemWidth, opt.itemHeight, opt.itemStyle.fill, opt.symbolKeepAspect);\n    symbol.setStyle(opt.itemStyle); // Map do not use itemStyle.borderWidth as border width\n\n    symbol.style.stroke = 'none';\n\n    if (symbolType.indexOf('empty') > -1) {\n      symbol.style.stroke = symbol.style.fill;\n      symbol.style.fill = '#fff';\n      symbol.style.lineWidth = 2;\n    }\n\n    return symbol;\n  };\n\n  MapSeries.type = 'series.map';\n  MapSeries.dependencies = ['geo'];\n  MapSeries.layoutMode = 'box';\n  MapSeries.defaultOption = {\n    // 一级层叠\n    zlevel: 0,\n    // 二级层叠\n    z: 2,\n    coordinateSystem: 'geo',\n    // map should be explicitly specified since ec3.\n    map: '',\n    // If `geoIndex` is not specified, a exclusive geo will be\n    // created. Otherwise use the specified geo component, and\n    // `map` and `mapType` are ignored.\n    // geoIndex: 0,\n    // 'center' | 'left' | 'right' | 'x%' | {number}\n    left: 'center',\n    // 'center' | 'top' | 'bottom' | 'x%' | {number}\n    top: 'center',\n    // right\n    // bottom\n    // width:\n    // height\n    // Aspect is width / height. Inited to be geoJson bbox aspect\n    // This parameter is used for scale this aspect\n    // Default value:\n    // for geoSVG source: 1,\n    // for geoJSON source: 0.75.\n    aspectScale: null,\n    ///// Layout with center and size\n    // If you wan't to put map in a fixed size box with right aspect ratio\n    // This two properties may more conveninet\n    // layoutCenter: [50%, 50%]\n    // layoutSize: 100\n    showLegendSymbol: true,\n    // Define left-top, right-bottom coords to control view\n    // For example, [ [180, 90], [-180, -90] ],\n    // higher priority than center and zoom\n    boundingCoords: null,\n    // Default on center of map\n    center: null,\n    zoom: 1,\n    scaleLimit: null,\n    selectedMode: true,\n    label: {\n      show: false,\n      color: '#000'\n    },\n    // scaleLimit: null,\n    itemStyle: {\n      borderWidth: 0.5,\n      borderColor: '#444',\n      areaColor: '#eee'\n    },\n    emphasis: {\n      label: {\n        show: true,\n        color: 'rgb(100,0,0)'\n      },\n      itemStyle: {\n        areaColor: 'rgba(255,215,0,0.8)'\n      }\n    },\n    select: {\n      label: {\n        show: true,\n        color: 'rgb(100,0,0)'\n      },\n      itemStyle: {\n        color: 'rgba(255,215,0,0.8)'\n      }\n    },\n    nameProperty: 'name'\n  };\n  return MapSeries;\n}(SeriesModel);\n\nexport default MapSeries;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util'; // FIXME 公用？\n\nfunction dataStatistics(datas, statisticType) {\n  var dataNameMap = {};\n  zrUtil.each(datas, function (data) {\n    data.each(data.mapDimension('value'), function (value, idx) {\n      // Add prefix to avoid conflict with Object.prototype.\n      var mapKey = 'ec-' + data.getName(idx);\n      dataNameMap[mapKey] = dataNameMap[mapKey] || [];\n\n      if (!isNaN(value)) {\n        dataNameMap[mapKey].push(value);\n      }\n    });\n  });\n  return datas[0].map(datas[0].mapDimension('value'), function (value, idx) {\n    var mapKey = 'ec-' + datas[0].getName(idx);\n    var sum = 0;\n    var min = Infinity;\n    var max = -Infinity;\n    var len = dataNameMap[mapKey].length;\n\n    for (var i = 0; i < len; i++) {\n      min = Math.min(min, dataNameMap[mapKey][i]);\n      max = Math.max(max, dataNameMap[mapKey][i]);\n      sum += dataNameMap[mapKey][i];\n    }\n\n    var result;\n\n    if (statisticType === 'min') {\n      result = min;\n    } else if (statisticType === 'max') {\n      result = max;\n    } else if (statisticType === 'average') {\n      result = sum / len;\n    } else {\n      result = sum;\n    }\n\n    return len === 0 ? NaN : result;\n  });\n}\n\nexport default function mapDataStatistic(ecModel) {\n  var seriesGroups = {};\n  ecModel.eachSeriesByType('map', function (seriesModel) {\n    var hostGeoModel = seriesModel.getHostGeoModel();\n    var key = hostGeoModel ? 'o' + hostGeoModel.id : 'i' + seriesModel.getMapType();\n    (seriesGroups[key] = seriesGroups[key] || []).push(seriesModel);\n  });\n  zrUtil.each(seriesGroups, function (seriesList, key) {\n    var data = dataStatistics(zrUtil.map(seriesList, function (seriesModel) {\n      return seriesModel.getData();\n    }), seriesList[0].get('mapValueCalculation'));\n\n    for (var i = 0; i < seriesList.length; i++) {\n      seriesList[i].originalData = seriesList[i].getData();\n    } // FIXME Put where?\n\n\n    for (var i = 0; i < seriesList.length; i++) {\n      seriesList[i].seriesGroup = seriesList;\n      seriesList[i].needsDrawMap = i === 0 && !seriesList[i].getHostGeoModel();\n      seriesList[i].setData(data.cloneShallow());\n      seriesList[i].mainSeries = seriesList[0];\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nexport default function mapSymbolLayout(ecModel) {\n  var processedMapType = {};\n  ecModel.eachSeriesByType('map', function (mapSeries) {\n    var mapType = mapSeries.getMapType();\n\n    if (mapSeries.getHostGeoModel() || processedMapType[mapType]) {\n      return;\n    }\n\n    var mapSymbolOffsets = {};\n    zrUtil.each(mapSeries.seriesGroup, function (subMapSeries) {\n      var geo = subMapSeries.coordinateSystem;\n      var data = subMapSeries.originalData;\n\n      if (subMapSeries.get('showLegendSymbol') && ecModel.getComponent('legend')) {\n        data.each(data.mapDimension('value'), function (value, idx) {\n          var name = data.getName(idx);\n          var region = geo.getRegion(name); // If input series.data is [11, 22, '-'/null/undefined, 44],\n          // it will be filled with NaN: [11, 22, NaN, 44] and NaN will\n          // not be drawn. So here must validate if value is NaN.\n\n          if (!region || isNaN(value)) {\n            return;\n          }\n\n          var offset = mapSymbolOffsets[name] || 0;\n          var point = geo.dataToPoint(region.getCenter());\n          mapSymbolOffsets[name] = offset + 1;\n          data.setItemLayout(idx, {\n            point: point,\n            offset: offset\n          });\n        });\n      }\n    }); // Show label of those region not has legendSymbol(which is offset 0)\n\n    var data = mapSeries.getData();\n    data.each(function (idx) {\n      var name = data.getName(idx);\n      var layout = data.getItemLayout(idx) || {};\n      layout.showLabel = !mapSymbolOffsets[name];\n      data.setItemLayout(idx, layout);\n    });\n    processedMapType[mapType] = true;\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\n/**\n * Simple view coordinate system\n * Mapping given x, y to transformd view x, y\n */\n\nimport * as vector from 'zrender/lib/core/vector';\nimport * as matrix from 'zrender/lib/core/matrix';\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport Transformable from 'zrender/lib/core/Transformable';\nvar v2ApplyTransform = vector.applyTransform;\n\nvar View =\n/** @class */\nfunction (_super) {\n  __extends(View, _super);\n\n  function View(name) {\n    var _this = _super.call(this) || this;\n\n    _this.type = 'view';\n    _this.dimensions = ['x', 'y'];\n    /**\n     * Represents the transform brought by roam/zoom.\n     * If `View['_viewRect']` applies roam transform,\n     * we can get the final displayed rect.\n     */\n\n    _this._roamTransformable = new Transformable();\n    /**\n     * Represents the transform from `View['_rect']` to `View['_viewRect']`.\n     */\n\n    _this._rawTransformable = new Transformable();\n    _this.name = name;\n    return _this;\n  }\n\n  View.prototype.setBoundingRect = function (x, y, width, height) {\n    this._rect = new BoundingRect(x, y, width, height);\n    return this._rect;\n  };\n  /**\n   * @return {module:zrender/core/BoundingRect}\n   */\n\n\n  View.prototype.getBoundingRect = function () {\n    return this._rect;\n  };\n\n  View.prototype.setViewRect = function (x, y, width, height) {\n    this._transformTo(x, y, width, height);\n\n    this._viewRect = new BoundingRect(x, y, width, height);\n  };\n  /**\n   * Transformed to particular position and size\n   */\n\n\n  View.prototype._transformTo = function (x, y, width, height) {\n    var rect = this.getBoundingRect();\n    var rawTransform = this._rawTransformable;\n    rawTransform.transform = rect.calculateTransform(new BoundingRect(x, y, width, height));\n    var rawParent = rawTransform.parent;\n    rawTransform.parent = null;\n    rawTransform.decomposeTransform();\n    rawTransform.parent = rawParent;\n\n    this._updateTransform();\n  };\n  /**\n   * Set center of view\n   */\n\n\n  View.prototype.setCenter = function (centerCoord) {\n    if (!centerCoord) {\n      return;\n    }\n\n    this._center = centerCoord;\n\n    this._updateCenterAndZoom();\n  };\n\n  View.prototype.setZoom = function (zoom) {\n    zoom = zoom || 1;\n    var zoomLimit = this.zoomLimit;\n\n    if (zoomLimit) {\n      if (zoomLimit.max != null) {\n        zoom = Math.min(zoomLimit.max, zoom);\n      }\n\n      if (zoomLimit.min != null) {\n        zoom = Math.max(zoomLimit.min, zoom);\n      }\n    }\n\n    this._zoom = zoom;\n\n    this._updateCenterAndZoom();\n  };\n  /**\n   * Get default center without roam\n   */\n\n\n  View.prototype.getDefaultCenter = function () {\n    // Rect before any transform\n    var rawRect = this.getBoundingRect();\n    var cx = rawRect.x + rawRect.width / 2;\n    var cy = rawRect.y + rawRect.height / 2;\n    return [cx, cy];\n  };\n\n  View.prototype.getCenter = function () {\n    return this._center || this.getDefaultCenter();\n  };\n\n  View.prototype.getZoom = function () {\n    return this._zoom || 1;\n  };\n\n  View.prototype.getRoamTransform = function () {\n    return this._roamTransformable.getLocalTransform();\n  };\n  /**\n   * Remove roam\n   */\n\n\n  View.prototype._updateCenterAndZoom = function () {\n    // Must update after view transform updated\n    var rawTransformMatrix = this._rawTransformable.getLocalTransform();\n\n    var roamTransform = this._roamTransformable;\n    var defaultCenter = this.getDefaultCenter();\n    var center = this.getCenter();\n    var zoom = this.getZoom();\n    center = vector.applyTransform([], center, rawTransformMatrix);\n    defaultCenter = vector.applyTransform([], defaultCenter, rawTransformMatrix);\n    roamTransform.originX = center[0];\n    roamTransform.originY = center[1];\n    roamTransform.x = defaultCenter[0] - center[0];\n    roamTransform.y = defaultCenter[1] - center[1];\n    roamTransform.scaleX = roamTransform.scaleY = zoom;\n\n    this._updateTransform();\n  };\n  /**\n   * Update transform props on `this` based on the current\n   * `this._roamTransformable` and `this._rawTransformable`.\n   */\n\n\n  View.prototype._updateTransform = function () {\n    var roamTransformable = this._roamTransformable;\n    var rawTransformable = this._rawTransformable;\n    rawTransformable.parent = roamTransformable;\n    roamTransformable.updateTransform();\n    rawTransformable.updateTransform();\n    matrix.copy(this.transform || (this.transform = []), rawTransformable.transform || matrix.create());\n    this._rawTransform = rawTransformable.getLocalTransform();\n    this.invTransform = this.invTransform || [];\n    matrix.invert(this.invTransform, this.transform);\n    this.decomposeTransform();\n  };\n\n  View.prototype.getTransformInfo = function () {\n    var rawTransformable = this._rawTransformable;\n    var roamTransformable = this._roamTransformable; // Becuase roamTransformabel has `originX/originY` modified,\n    // but the caller of `getTransformInfo` can not handle `originX/originY`,\n    // so need to recalcualte them.\n\n    var dummyTransformable = new Transformable();\n    dummyTransformable.transform = roamTransformable.transform;\n    dummyTransformable.decomposeTransform();\n    return {\n      roam: {\n        x: dummyTransformable.x,\n        y: dummyTransformable.y,\n        scaleX: dummyTransformable.scaleX,\n        scaleY: dummyTransformable.scaleY\n      },\n      raw: {\n        x: rawTransformable.x,\n        y: rawTransformable.y,\n        scaleX: rawTransformable.scaleX,\n        scaleY: rawTransformable.scaleY\n      }\n    };\n  };\n\n  View.prototype.getViewRect = function () {\n    return this._viewRect;\n  };\n  /**\n   * Get view rect after roam transform\n   */\n\n\n  View.prototype.getViewRectAfterRoam = function () {\n    var rect = this.getBoundingRect().clone();\n    rect.applyTransform(this.transform);\n    return rect;\n  };\n  /**\n   * Convert a single (lon, lat) data item to (x, y) point.\n   */\n\n\n  View.prototype.dataToPoint = function (data, noRoam, out) {\n    var transform = noRoam ? this._rawTransform : this.transform;\n    out = out || [];\n    return transform ? v2ApplyTransform(out, data, transform) : vector.copy(out, data);\n  };\n  /**\n   * Convert a (x, y) point to (lon, lat) data\n   */\n\n\n  View.prototype.pointToData = function (point) {\n    var invTransform = this.invTransform;\n    return invTransform ? v2ApplyTransform([], point, invTransform) : [point[0], point[1]];\n  };\n\n  View.prototype.convertToPixel = function (ecModel, finder, value) {\n    var coordSys = getCoordSys(finder);\n    return coordSys === this ? coordSys.dataToPoint(value) : null;\n  };\n\n  View.prototype.convertFromPixel = function (ecModel, finder, pixel) {\n    var coordSys = getCoordSys(finder);\n    return coordSys === this ? coordSys.pointToData(pixel) : null;\n  };\n  /**\n   * @implements\n   */\n\n\n  View.prototype.containPoint = function (point) {\n    return this.getViewRectAfterRoam().contain(point[0], point[1]);\n  };\n\n  View.dimensions = ['x', 'y'];\n  return View;\n}(Transformable);\n\nfunction getCoordSys(finder) {\n  var seriesModel = finder.seriesModel;\n  return seriesModel ? seriesModel.coordinateSystem : null; // e.g., graph.\n}\n\nexport default View;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport View from '../View';\nimport geoSourceManager from './geoSourceManager';\nimport { SINGLE_REFERRING } from '../../util/model';\nvar GEO_DEFAULT_PARAMS = {\n  'geoJSON': {\n    aspectScale: 0.75,\n    invertLongitute: true\n  },\n  'geoSVG': {\n    aspectScale: 1,\n    invertLongitute: false\n  }\n};\n\nvar Geo =\n/** @class */\nfunction (_super) {\n  __extends(Geo, _super);\n\n  function Geo(name, map, opt) {\n    var _this = _super.call(this, name) || this;\n\n    _this.dimensions = ['lng', 'lat'];\n    _this.type = 'geo'; // Only store specified name coord via `addGeoCoord`.\n\n    _this._nameCoordMap = zrUtil.createHashMap();\n    _this.map = map;\n    var source = geoSourceManager.load(map, opt.nameMap, opt.nameProperty);\n    var resource = geoSourceManager.getGeoResource(map);\n    _this.resourceType = resource ? resource.type : null;\n    var defaultParmas = GEO_DEFAULT_PARAMS[resource.type];\n    _this._regionsMap = source.regionsMap;\n    _this._invertLongitute = defaultParmas.invertLongitute;\n    _this.regions = source.regions;\n    _this.aspectScale = zrUtil.retrieve2(opt.aspectScale, defaultParmas.aspectScale);\n    var boundingRect = source.boundingRect;\n\n    _this.setBoundingRect(boundingRect.x, boundingRect.y, boundingRect.width, boundingRect.height);\n\n    return _this;\n  }\n  /**\n   * Whether contain the given [lng, lat] coord.\n   */\n  // Never used yet.\n  // containCoord(coord: number[]) {\n  //     const regions = this.regions;\n  //     for (let i = 0; i < regions.length; i++) {\n  //         const region = regions[i];\n  //         if (region.type === 'geoJSON' && (region as GeoJSONRegion).contain(coord)) {\n  //             return true;\n  //         }\n  //     }\n  //     return false;\n  // }\n\n\n  Geo.prototype._transformTo = function (x, y, width, height) {\n    var rect = this.getBoundingRect();\n    var invertLongitute = this._invertLongitute;\n    rect = rect.clone();\n\n    if (invertLongitute) {\n      // Longitute is inverted\n      rect.y = -rect.y - rect.height;\n    }\n\n    var rawTransformable = this._rawTransformable;\n    rawTransformable.transform = rect.calculateTransform(new BoundingRect(x, y, width, height));\n    var rawParent = rawTransformable.parent;\n    rawTransformable.parent = null;\n    rawTransformable.decomposeTransform();\n    rawTransformable.parent = rawParent;\n\n    if (invertLongitute) {\n      rawTransformable.scaleY = -rawTransformable.scaleY;\n    }\n\n    this._updateTransform();\n  };\n\n  Geo.prototype.getRegion = function (name) {\n    return this._regionsMap.get(name);\n  };\n\n  Geo.prototype.getRegionByCoord = function (coord) {\n    var regions = this.regions;\n\n    for (var i = 0; i < regions.length; i++) {\n      var region = regions[i];\n\n      if (region.type === 'geoJSON' && region.contain(coord)) {\n        return regions[i];\n      }\n    }\n  };\n  /**\n   * Add geoCoord for indexing by name\n   */\n\n\n  Geo.prototype.addGeoCoord = function (name, geoCoord) {\n    this._nameCoordMap.set(name, geoCoord);\n  };\n  /**\n   * Get geoCoord by name\n   */\n\n\n  Geo.prototype.getGeoCoord = function (name) {\n    var region = this._regionsMap.get(name); // calcualte center only on demand.\n\n\n    return this._nameCoordMap.get(name) || region && region.getCenter();\n  };\n\n  Geo.prototype.dataToPoint = function (data, noRoam, out) {\n    if (typeof data === 'string') {\n      // Map area name to geoCoord\n      data = this.getGeoCoord(data);\n    }\n\n    if (data) {\n      return View.prototype.dataToPoint.call(this, data, noRoam, out);\n    }\n  };\n\n  Geo.prototype.convertToPixel = function (ecModel, finder, value) {\n    var coordSys = getCoordSys(finder);\n    return coordSys === this ? coordSys.dataToPoint(value) : null;\n  };\n\n  Geo.prototype.convertFromPixel = function (ecModel, finder, pixel) {\n    var coordSys = getCoordSys(finder);\n    return coordSys === this ? coordSys.pointToData(pixel) : null;\n  };\n\n  return Geo;\n}(View);\n\n;\nzrUtil.mixin(Geo, View);\n\nfunction getCoordSys(finder) {\n  var geoModel = finder.geoModel;\n  var seriesModel = finder.seriesModel;\n  return geoModel ? geoModel.coordinateSystem : seriesModel ? seriesModel.coordinateSystem // For map series.\n  || (seriesModel.getReferringComponents('geo', SINGLE_REFERRING).models[0] || {}).coordinateSystem : null;\n}\n\nexport default Geo;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport Geo from './Geo';\nimport * as layout from '../../util/layout';\nimport * as numberUtil from '../../util/number';\nimport geoSourceManager from './geoSourceManager';\n/**\n * Resize method bound to the geo\n */\n\nfunction resizeGeo(geoModel, api) {\n  var boundingCoords = geoModel.get('boundingCoords');\n\n  if (boundingCoords != null) {\n    var leftTop = boundingCoords[0];\n    var rightBottom = boundingCoords[1];\n\n    if (isNaN(leftTop[0]) || isNaN(leftTop[1]) || isNaN(rightBottom[0]) || isNaN(rightBottom[1])) {\n      if (process.env.NODE_ENV !== 'production') {\n        console.error('Invalid boundingCoords');\n      }\n    } else {\n      this.setBoundingRect(leftTop[0], leftTop[1], rightBottom[0] - leftTop[0], rightBottom[1] - leftTop[1]);\n    }\n  }\n\n  var rect = this.getBoundingRect();\n  var centerOption = geoModel.get('layoutCenter');\n  var sizeOption = geoModel.get('layoutSize');\n  var viewWidth = api.getWidth();\n  var viewHeight = api.getHeight();\n  var aspect = rect.width / rect.height * this.aspectScale;\n  var useCenterAndSize = false;\n  var center;\n  var size;\n\n  if (centerOption && sizeOption) {\n    center = [numberUtil.parsePercent(centerOption[0], viewWidth), numberUtil.parsePercent(centerOption[1], viewHeight)];\n    size = numberUtil.parsePercent(sizeOption, Math.min(viewWidth, viewHeight));\n\n    if (!isNaN(center[0]) && !isNaN(center[1]) && !isNaN(size)) {\n      useCenterAndSize = true;\n    } else {\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn('Given layoutCenter or layoutSize data are invalid. Use left/top/width/height instead.');\n      }\n    }\n  }\n\n  var viewRect;\n\n  if (useCenterAndSize) {\n    viewRect = {};\n\n    if (aspect > 1) {\n      // Width is same with size\n      viewRect.width = size;\n      viewRect.height = size / aspect;\n    } else {\n      viewRect.height = size;\n      viewRect.width = size * aspect;\n    }\n\n    viewRect.y = center[1] - viewRect.height / 2;\n    viewRect.x = center[0] - viewRect.width / 2;\n  } else {\n    // Use left/top/width/height\n    var boxLayoutOption = geoModel.getBoxLayoutParams();\n    boxLayoutOption.aspect = aspect;\n    viewRect = layout.getLayoutRect(boxLayoutOption, {\n      width: viewWidth,\n      height: viewHeight\n    });\n  }\n\n  this.setViewRect(viewRect.x, viewRect.y, viewRect.width, viewRect.height);\n  this.setCenter(geoModel.get('center'));\n  this.setZoom(geoModel.get('zoom'));\n} // Back compat for ECharts2, where the coord map is set on map series:\n// {type: 'map', geoCoord: {'cityA': [116.46,39.92], 'cityA': [119.12,24.61]}},\n\n\nfunction setGeoCoords(geo, model) {\n  zrUtil.each(model.get('geoCoord'), function (geoCoord, name) {\n    geo.addGeoCoord(name, geoCoord);\n  });\n}\n\nvar GeoCreator =\n/** @class */\nfunction () {\n  function GeoCreator() {\n    // For deciding which dimensions to use when creating list data\n    this.dimensions = Geo.prototype.dimensions;\n  }\n\n  GeoCreator.prototype.create = function (ecModel, api) {\n    var geoList = []; // FIXME Create each time may be slow\n\n    ecModel.eachComponent('geo', function (geoModel, idx) {\n      var name = geoModel.get('map');\n      var geo = new Geo(name + idx, name, {\n        nameMap: geoModel.get('nameMap'),\n        nameProperty: geoModel.get('nameProperty'),\n        aspectScale: geoModel.get('aspectScale')\n      });\n      geo.zoomLimit = geoModel.get('scaleLimit');\n      geoList.push(geo); // setGeoCoords(geo, geoModel);\n\n      geoModel.coordinateSystem = geo;\n      geo.model = geoModel; // Inject resize method\n\n      geo.resize = resizeGeo;\n      geo.resize(geoModel, api);\n    });\n    ecModel.eachSeries(function (seriesModel) {\n      var coordSys = seriesModel.get('coordinateSystem');\n\n      if (coordSys === 'geo') {\n        var geoIndex = seriesModel.get('geoIndex') || 0;\n        seriesModel.coordinateSystem = geoList[geoIndex];\n      }\n    }); // If has map series\n\n    var mapModelGroupBySeries = {};\n    ecModel.eachSeriesByType('map', function (seriesModel) {\n      if (!seriesModel.getHostGeoModel()) {\n        var mapType = seriesModel.getMapType();\n        mapModelGroupBySeries[mapType] = mapModelGroupBySeries[mapType] || [];\n        mapModelGroupBySeries[mapType].push(seriesModel);\n      }\n    });\n    zrUtil.each(mapModelGroupBySeries, function (mapSeries, mapType) {\n      var nameMapList = zrUtil.map(mapSeries, function (singleMapSeries) {\n        return singleMapSeries.get('nameMap');\n      });\n      var geo = new Geo(mapType, mapType, {\n        nameMap: zrUtil.mergeAll(nameMapList),\n        nameProperty: mapSeries[0].get('nameProperty'),\n        aspectScale: mapSeries[0].get('aspectScale')\n      });\n      geo.zoomLimit = zrUtil.retrieve.apply(null, zrUtil.map(mapSeries, function (singleMapSeries) {\n        return singleMapSeries.get('scaleLimit');\n      }));\n      geoList.push(geo); // Inject resize method\n\n      geo.resize = resizeGeo;\n      geo.resize(mapSeries[0], api);\n      zrUtil.each(mapSeries, function (singleMapSeries) {\n        singleMapSeries.coordinateSystem = geo;\n        setGeoCoords(geo, singleMapSeries);\n      });\n    });\n    return geoList;\n  };\n  /**\n   * Fill given regions array\n   */\n\n\n  GeoCreator.prototype.getFilledRegions = function (originRegionArr, mapName, nameMap, nameProperty) {\n    // Not use the original\n    var regionsArr = (originRegionArr || []).slice();\n    var dataNameMap = zrUtil.createHashMap();\n\n    for (var i = 0; i < regionsArr.length; i++) {\n      dataNameMap.set(regionsArr[i].name, regionsArr[i]);\n    }\n\n    var source = geoSourceManager.load(mapName, nameMap, nameProperty);\n    zrUtil.each(source.regions, function (region) {\n      var name = region.name;\n      !dataNameMap.get(name) && regionsArr.push({\n        name: name\n      });\n    });\n    return regionsArr;\n  };\n\n  return GeoCreator;\n}();\n\nvar geoCreator = new GeoCreator();\nexport default geoCreator;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as modelUtil from '../../util/model';\nimport ComponentModel from '../../model/Component';\nimport Model from '../../model/Model';\nimport geoCreator from './geoCreator';\nimport geoSourceManager from './geoSourceManager';\n;\n\nvar GeoModel =\n/** @class */\nfunction (_super) {\n  __extends(GeoModel, _super);\n\n  function GeoModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = GeoModel.type;\n    return _this;\n  }\n\n  GeoModel.prototype.init = function (option, parentModel, ecModel) {\n    var source = geoSourceManager.getGeoResource(option.map);\n\n    if (source && source.type === 'geoJSON') {\n      var itemStyle = option.itemStyle = option.itemStyle || {};\n\n      if (!('color' in itemStyle)) {\n        itemStyle.color = '#eee';\n      }\n    }\n\n    this.mergeDefaultAndTheme(option, ecModel); // Default label emphasis `show`\n\n    modelUtil.defaultEmphasis(option, 'label', ['show']);\n  };\n\n  GeoModel.prototype.optionUpdated = function () {\n    var _this = this;\n\n    var option = this.option;\n    option.regions = geoCreator.getFilledRegions(option.regions, option.map, option.nameMap, option.nameProperty);\n    var selectedMap = {};\n    this._optionModelMap = zrUtil.reduce(option.regions || [], function (optionModelMap, regionOpt) {\n      var regionName = regionOpt.name;\n\n      if (regionName) {\n        optionModelMap.set(regionName, new Model(regionOpt, _this, _this.ecModel));\n\n        if (regionOpt.selected) {\n          selectedMap[regionName] = true;\n        }\n      }\n\n      return optionModelMap;\n    }, zrUtil.createHashMap());\n\n    if (!option.selectedMap) {\n      option.selectedMap = selectedMap;\n    }\n  };\n  /**\n   * Get model of region.\n   */\n\n\n  GeoModel.prototype.getRegionModel = function (name) {\n    return this._optionModelMap.get(name) || new Model(null, this, this.ecModel);\n  };\n  /**\n   * Format label\n   * @param name Region name\n   */\n\n\n  GeoModel.prototype.getFormattedLabel = function (name, status) {\n    var regionModel = this.getRegionModel(name);\n    var formatter = status === 'normal' ? regionModel.get(['label', 'formatter']) : regionModel.get(['emphasis', 'label', 'formatter']);\n    var params = {\n      name: name\n    };\n\n    if (typeof formatter === 'function') {\n      params.status = status;\n      return formatter(params);\n    } else if (typeof formatter === 'string') {\n      return formatter.replace('{a}', name != null ? name : '');\n    }\n  };\n\n  GeoModel.prototype.setZoom = function (zoom) {\n    this.option.zoom = zoom;\n  };\n\n  GeoModel.prototype.setCenter = function (center) {\n    this.option.center = center;\n  }; // PENGING If selectedMode is null ?\n\n\n  GeoModel.prototype.select = function (name) {\n    var option = this.option;\n    var selectedMode = option.selectedMode;\n\n    if (!selectedMode) {\n      return;\n    }\n\n    if (selectedMode !== 'multiple') {\n      option.selectedMap = null;\n    }\n\n    var selectedMap = option.selectedMap || (option.selectedMap = {});\n    selectedMap[name] = true;\n  };\n\n  GeoModel.prototype.unSelect = function (name) {\n    var selectedMap = this.option.selectedMap;\n\n    if (selectedMap) {\n      selectedMap[name] = false;\n    }\n  };\n\n  GeoModel.prototype.toggleSelected = function (name) {\n    this[this.isSelected(name) ? 'unSelect' : 'select'](name);\n  };\n\n  GeoModel.prototype.isSelected = function (name) {\n    var selectedMap = this.option.selectedMap;\n    return !!(selectedMap && selectedMap[name]);\n  };\n\n  GeoModel.type = 'geo';\n  GeoModel.layoutMode = 'box';\n  GeoModel.defaultOption = {\n    zlevel: 0,\n    z: 0,\n    show: true,\n    left: 'center',\n    top: 'center',\n    // Default value:\n    // for geoSVG source: 1,\n    // for geoJSON source: 0.75.\n    aspectScale: null,\n    ///// Layout with center and size\n    // If you wan't to put map in a fixed size box with right aspect ratio\n    // This two properties may more conveninet\n    // layoutCenter: [50%, 50%]\n    // layoutSize: 100\n    silent: false,\n    // Map type\n    map: '',\n    // Define left-top, right-bottom coords to control view\n    // For example, [ [180, 90], [-180, -90] ]\n    boundingCoords: null,\n    // Default on center of map\n    center: null,\n    zoom: 1,\n    scaleLimit: null,\n    // selectedMode: false\n    label: {\n      show: false,\n      color: '#000'\n    },\n    itemStyle: {\n      borderWidth: 0.5,\n      borderColor: '#444' // Default color:\n      // + geoJSON: #eee\n      // + geoSVG: null (use SVG original `fill`)\n      // color: '#eee'\n\n    },\n    emphasis: {\n      label: {\n        show: true,\n        color: 'rgb(100,0,0)'\n      },\n      itemStyle: {\n        color: 'rgba(255,215,0,0.8)'\n      }\n    },\n    select: {\n      label: {\n        show: true,\n        color: 'rgb(100,0,0)'\n      },\n      itemStyle: {\n        color: 'rgba(255,215,0,0.8)'\n      }\n    },\n    regions: [] // tooltip: {\n    //     show: false\n    // }\n\n  };\n  return GeoModel;\n}(ComponentModel);\n\nexport default GeoModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport function updateCenterAndZoom(view, payload, zoomLimit) {\n  var previousZoom = view.getZoom();\n  var center = view.getCenter();\n  var zoom = payload.zoom;\n  var point = view.dataToPoint(center);\n\n  if (payload.dx != null && payload.dy != null) {\n    point[0] -= payload.dx;\n    point[1] -= payload.dy;\n    view.setCenter(view.pointToData(point));\n  }\n\n  if (zoom != null) {\n    if (zoomLimit) {\n      var zoomMin = zoomLimit.min || 0;\n      var zoomMax = zoomLimit.max || Infinity;\n      zoom = Math.max(Math.min(previousZoom * zoom, zoomMax), zoomMin) / previousZoom;\n    } // Zoom on given point(originX, originY)\n\n\n    view.scaleX *= zoom;\n    view.scaleY *= zoom;\n    var fixX = (payload.originX - view.x) * (zoom - 1);\n    var fixY = (payload.originY - view.y) * (zoom - 1);\n    view.x -= fixX;\n    view.y -= fixY;\n    view.updateTransform(); // Get the new center\n\n    view.setCenter(view.pointToData(point));\n    view.setZoom(zoom * previousZoom);\n  }\n\n  return {\n    center: view.getCenter(),\n    zoom: view.getZoom()\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport MapDraw from '../helper/MapDraw';\nimport ComponentView from '../../view/Component';\nimport { getECData } from '../../util/innerStore';\nimport { findEventDispatcher } from '../../util/event';\n\nvar GeoView =\n/** @class */\nfunction (_super) {\n  __extends(GeoView, _super);\n\n  function GeoView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = GeoView.type;\n    _this.focusBlurEnabled = true;\n    return _this;\n  }\n\n  GeoView.prototype.init = function (ecModel, api) {\n    var mapDraw = new MapDraw(api);\n    this._mapDraw = mapDraw;\n    this.group.add(mapDraw.group);\n    this._api = api;\n  };\n\n  GeoView.prototype.render = function (geoModel, ecModel, api, payload) {\n    var mapDraw = this._mapDraw;\n\n    if (geoModel.get('show')) {\n      mapDraw.draw(geoModel, ecModel, api, this, payload);\n    } else {\n      this._mapDraw.group.removeAll();\n    }\n\n    mapDraw.group.on('click', this._handleRegionClick, this);\n    mapDraw.group.silent = geoModel.get('silent');\n    this._model = geoModel;\n    this.updateSelectStatus(geoModel, ecModel, api);\n  };\n\n  GeoView.prototype._handleRegionClick = function (e) {\n    var eventData;\n    findEventDispatcher(e.target, function (current) {\n      return (eventData = getECData(current).eventData) != null;\n    }, true);\n\n    if (eventData) {\n      this._api.dispatchAction({\n        type: 'geoToggleSelect',\n        geoId: this._model.id,\n        name: eventData.name\n      });\n    }\n  };\n\n  GeoView.prototype.updateSelectStatus = function (model, ecModel, api) {\n    var _this = this;\n\n    this._mapDraw.group.traverse(function (node) {\n      var eventData = getECData(node).eventData;\n\n      if (eventData) {\n        _this._model.isSelected(eventData.name) ? api.enterSelect(node) : api.leaveSelect(node); // No need to traverse children.\n\n        return true;\n      }\n    });\n  };\n\n  GeoView.prototype.findHighDownDispatchers = function (name) {\n    return this._mapDraw && this._mapDraw.findHighDownDispatchers(name, this._model);\n  };\n\n  GeoView.prototype.dispose = function () {\n    this._mapDraw && this._mapDraw.remove();\n  };\n\n  GeoView.type = 'geo';\n  return GeoView;\n}(ComponentView);\n\nexport default GeoView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport GeoModel from '../../coord/geo/GeoModel';\nimport geoCreator from '../../coord/geo/geoCreator';\nimport { each } from 'zrender/lib/core/util';\nimport { updateCenterAndZoom } from '../../action/roamHelper';\nimport GeoView from './GeoView';\nexport function install(registers) {\n  registers.registerCoordinateSystem('geo', geoCreator);\n  registers.registerComponentModel(GeoModel);\n  registers.registerComponentView(GeoView);\n\n  function makeAction(method, actionInfo) {\n    actionInfo.update = 'geo:updateSelectStatus';\n    registers.registerAction(actionInfo, function (payload, ecModel) {\n      var selected = {};\n      var allSelected = [];\n      ecModel.eachComponent({\n        mainType: 'geo',\n        query: payload\n      }, function (geoModel) {\n        geoModel[method](payload.name);\n        var geo = geoModel.coordinateSystem;\n        each(geo.regions, function (region) {\n          selected[region.name] = geoModel.isSelected(region.name) || false;\n        }); // Notice: there might be duplicated name in different regions.\n\n        var names = [];\n        each(selected, function (v, name) {\n          selected[name] && names.push(name);\n        });\n        allSelected.push({\n          geoIndex: geoModel.componentIndex,\n          // Use singular, the same naming convention as the event `selectchanged`.\n          name: names\n        });\n      });\n      return {\n        selected: selected,\n        allSelected: allSelected,\n        name: payload.name\n      };\n    });\n  }\n\n  makeAction('toggleSelected', {\n    type: 'geoToggleSelect',\n    event: 'geoselectchanged'\n  });\n  makeAction('select', {\n    type: 'geoSelect',\n    event: 'geoselected'\n  });\n  makeAction('unSelect', {\n    type: 'geoUnSelect',\n    event: 'geounselected'\n  });\n  /**\n   * @payload\n   * @property {string} [componentType=series]\n   * @property {number} [dx]\n   * @property {number} [dy]\n   * @property {number} [zoom]\n   * @property {number} [originX]\n   * @property {number} [originY]\n   */\n\n  registers.registerAction({\n    type: 'geoRoam',\n    event: 'geoRoam',\n    update: 'updateTransform'\n  }, function (payload, ecModel) {\n    var componentType = payload.componentType || 'series';\n    ecModel.eachComponent({\n      mainType: componentType,\n      query: payload\n    }, function (componentModel) {\n      var geo = componentModel.coordinateSystem;\n\n      if (geo.type !== 'geo') {\n        return;\n      }\n\n      var res = updateCenterAndZoom(geo, payload, componentModel.get('scaleLimit'));\n      componentModel.setCenter && componentModel.setCenter(res.center);\n      componentModel.setZoom && componentModel.setZoom(res.zoom); // All map series with same `map` use the same geo coordinate system\n      // So the center and zoom must be in sync. Include the series not selected by legend\n\n      if (componentType === 'series') {\n        each(componentModel.seriesGroup, function (seriesModel) {\n          seriesModel.setCenter(res.center);\n          seriesModel.setZoom(res.zoom);\n        });\n      }\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/*\n* A third-party license is embeded for some of the code in this file:\n* The tree layoutHelper implementation was originally copied from\n* \"d3.js\"(https://github.com/d3/d3-hierarchy) with\n* some modifications made for this project.\n* (see more details in the comment of the specific method below.)\n* The use of the source code of this file is also subject to the terms\n* and consitions of the licence of \"d3.js\" (BSD-3Clause, see\n* </licenses/LICENSE-d3>).\n*/\n\n/**\n * @file The layout algorithm of node-link tree diagrams. Here we using Reingold-Tilford algorithm to drawing\n *       the tree.\n */\nimport * as layout from '../../util/layout';\n/**\n * Initialize all computational message for following algorithm.\n */\n\nexport function init(inRoot) {\n  var root = inRoot;\n  root.hierNode = {\n    defaultAncestor: null,\n    ancestor: root,\n    prelim: 0,\n    modifier: 0,\n    change: 0,\n    shift: 0,\n    i: 0,\n    thread: null\n  };\n  var nodes = [root];\n  var node;\n  var children;\n\n  while (node = nodes.pop()) {\n    // jshint ignore:line\n    children = node.children;\n\n    if (node.isExpand && children.length) {\n      var n = children.length;\n\n      for (var i = n - 1; i >= 0; i--) {\n        var child = children[i];\n        child.hierNode = {\n          defaultAncestor: null,\n          ancestor: child,\n          prelim: 0,\n          modifier: 0,\n          change: 0,\n          shift: 0,\n          i: i,\n          thread: null\n        };\n        nodes.push(child);\n      }\n    }\n  }\n}\n/**\n * The implementation of this function was originally copied from \"d3.js\"\n * <https://github.com/d3/d3-hierarchy/blob/4c1f038f2725d6eae2e49b61d01456400694bac4/src/tree.js>\n * with some modifications made for this program.\n * See the license statement at the head of this file.\n *\n * Computes a preliminary x coordinate for node. Before that, this function is\n * applied recursively to the children of node, as well as the function\n * apportion(). After spacing out the children by calling executeShifts(), the\n * node is placed to the midpoint of its outermost children.\n */\n\nexport function firstWalk(node, separation) {\n  var children = node.isExpand ? node.children : [];\n  var siblings = node.parentNode.children;\n  var subtreeW = node.hierNode.i ? siblings[node.hierNode.i - 1] : null;\n\n  if (children.length) {\n    executeShifts(node);\n    var midPoint = (children[0].hierNode.prelim + children[children.length - 1].hierNode.prelim) / 2;\n\n    if (subtreeW) {\n      node.hierNode.prelim = subtreeW.hierNode.prelim + separation(node, subtreeW);\n      node.hierNode.modifier = node.hierNode.prelim - midPoint;\n    } else {\n      node.hierNode.prelim = midPoint;\n    }\n  } else if (subtreeW) {\n    node.hierNode.prelim = subtreeW.hierNode.prelim + separation(node, subtreeW);\n  }\n\n  node.parentNode.hierNode.defaultAncestor = apportion(node, subtreeW, node.parentNode.hierNode.defaultAncestor || siblings[0], separation);\n}\n/**\n * The implementation of this function was originally copied from \"d3.js\"\n * <https://github.com/d3/d3-hierarchy/blob/4c1f038f2725d6eae2e49b61d01456400694bac4/src/tree.js>\n * with some modifications made for this program.\n * See the license statement at the head of this file.\n *\n * Computes all real x-coordinates by summing up the modifiers recursively.\n */\n\nexport function secondWalk(node) {\n  var nodeX = node.hierNode.prelim + node.parentNode.hierNode.modifier;\n  node.setLayout({\n    x: nodeX\n  }, true);\n  node.hierNode.modifier += node.parentNode.hierNode.modifier;\n}\nexport function separation(cb) {\n  return arguments.length ? cb : defaultSeparation;\n}\n/**\n * Transform the common coordinate to radial coordinate.\n */\n\nexport function radialCoordinate(rad, r) {\n  rad -= Math.PI / 2;\n  return {\n    x: r * Math.cos(rad),\n    y: r * Math.sin(rad)\n  };\n}\n/**\n * Get the layout position of the whole view.\n */\n\nexport function getViewRect(seriesModel, api) {\n  return layout.getLayoutRect(seriesModel.getBoxLayoutParams(), {\n    width: api.getWidth(),\n    height: api.getHeight()\n  });\n}\n/**\n * All other shifts, applied to the smaller subtrees between w- and w+, are\n * performed by this function.\n *\n * The implementation of this function was originally copied from \"d3.js\"\n * <https://github.com/d3/d3-hierarchy/blob/4c1f038f2725d6eae2e49b61d01456400694bac4/src/tree.js>\n * with some modifications made for this program.\n * See the license statement at the head of this file.\n */\n\nfunction executeShifts(node) {\n  var children = node.children;\n  var n = children.length;\n  var shift = 0;\n  var change = 0;\n\n  while (--n >= 0) {\n    var child = children[n];\n    child.hierNode.prelim += shift;\n    child.hierNode.modifier += shift;\n    change += child.hierNode.change;\n    shift += child.hierNode.shift + change;\n  }\n}\n/**\n * The implementation of this function was originally copied from \"d3.js\"\n * <https://github.com/d3/d3-hierarchy/blob/4c1f038f2725d6eae2e49b61d01456400694bac4/src/tree.js>\n * with some modifications made for this program.\n * See the license statement at the head of this file.\n *\n * The core of the algorithm. Here, a new subtree is combined with the\n * previous subtrees. Threads are used to traverse the inside and outside\n * contours of the left and right subtree up to the highest common level.\n * Whenever two nodes of the inside contours conflict, we compute the left\n * one of the greatest uncommon ancestors using the function nextAncestor()\n * and call moveSubtree() to shift the subtree and prepare the shifts of\n * smaller subtrees. Finally, we add a new thread (if necessary).\n */\n\n\nfunction apportion(subtreeV, subtreeW, ancestor, separation) {\n  if (subtreeW) {\n    var nodeOutRight = subtreeV;\n    var nodeInRight = subtreeV;\n    var nodeOutLeft = nodeInRight.parentNode.children[0];\n    var nodeInLeft = subtreeW;\n    var sumOutRight = nodeOutRight.hierNode.modifier;\n    var sumInRight = nodeInRight.hierNode.modifier;\n    var sumOutLeft = nodeOutLeft.hierNode.modifier;\n    var sumInLeft = nodeInLeft.hierNode.modifier;\n\n    while (nodeInLeft = nextRight(nodeInLeft), nodeInRight = nextLeft(nodeInRight), nodeInLeft && nodeInRight) {\n      nodeOutRight = nextRight(nodeOutRight);\n      nodeOutLeft = nextLeft(nodeOutLeft);\n      nodeOutRight.hierNode.ancestor = subtreeV;\n      var shift = nodeInLeft.hierNode.prelim + sumInLeft - nodeInRight.hierNode.prelim - sumInRight + separation(nodeInLeft, nodeInRight);\n\n      if (shift > 0) {\n        moveSubtree(nextAncestor(nodeInLeft, subtreeV, ancestor), subtreeV, shift);\n        sumInRight += shift;\n        sumOutRight += shift;\n      }\n\n      sumInLeft += nodeInLeft.hierNode.modifier;\n      sumInRight += nodeInRight.hierNode.modifier;\n      sumOutRight += nodeOutRight.hierNode.modifier;\n      sumOutLeft += nodeOutLeft.hierNode.modifier;\n    }\n\n    if (nodeInLeft && !nextRight(nodeOutRight)) {\n      nodeOutRight.hierNode.thread = nodeInLeft;\n      nodeOutRight.hierNode.modifier += sumInLeft - sumOutRight;\n    }\n\n    if (nodeInRight && !nextLeft(nodeOutLeft)) {\n      nodeOutLeft.hierNode.thread = nodeInRight;\n      nodeOutLeft.hierNode.modifier += sumInRight - sumOutLeft;\n      ancestor = subtreeV;\n    }\n  }\n\n  return ancestor;\n}\n/**\n * This function is used to traverse the right contour of a subtree.\n * It returns the rightmost child of node or the thread of node. The function\n * returns null if and only if node is on the highest depth of its subtree.\n */\n\n\nfunction nextRight(node) {\n  var children = node.children;\n  return children.length && node.isExpand ? children[children.length - 1] : node.hierNode.thread;\n}\n/**\n * This function is used to traverse the left contour of a subtree (or a subforest).\n * It returns the leftmost child of node or the thread of node. The function\n * returns null if and only if node is on the highest depth of its subtree.\n */\n\n\nfunction nextLeft(node) {\n  var children = node.children;\n  return children.length && node.isExpand ? children[0] : node.hierNode.thread;\n}\n/**\n * If nodeInLeft’s ancestor is a sibling of node, returns nodeInLeft’s ancestor.\n * Otherwise, returns the specified ancestor.\n */\n\n\nfunction nextAncestor(nodeInLeft, node, ancestor) {\n  return nodeInLeft.hierNode.ancestor.parentNode === node.parentNode ? nodeInLeft.hierNode.ancestor : ancestor;\n}\n/**\n * The implementation of this function was originally copied from \"d3.js\"\n * <https://github.com/d3/d3-hierarchy/blob/4c1f038f2725d6eae2e49b61d01456400694bac4/src/tree.js>\n * with some modifications made for this program.\n * See the license statement at the head of this file.\n *\n * Shifts the current subtree rooted at wr.\n * This is done by increasing prelim(w+) and modifier(w+) by shift.\n */\n\n\nfunction moveSubtree(wl, wr, shift) {\n  var change = shift / (wr.hierNode.i - wl.hierNode.i);\n  wr.hierNode.change -= change;\n  wr.hierNode.shift += shift;\n  wr.hierNode.modifier += shift;\n  wr.hierNode.prelim += shift;\n  wl.hierNode.change += change;\n}\n/**\n * The implementation of this function was originally copied from \"d3.js\"\n * <https://github.com/d3/d3-hierarchy/blob/4c1f038f2725d6eae2e49b61d01456400694bac4/src/tree.js>\n * with some modifications made for this program.\n * See the license statement at the head of this file.\n */\n\n\nfunction defaultSeparation(node1, node2) {\n  return node1.parentNode === node2.parentNode ? 1 : 2;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport { getECData } from '../../util/innerStore';\nimport SymbolClz from '../helper/Symbol';\nimport { radialCoordinate } from './layoutHelper';\nimport * as bbox from 'zrender/lib/core/bbox';\nimport View from '../../coord/View';\nimport * as roamHelper from '../../component/helper/roamHelper';\nimport RoamController from '../../component/helper/RoamController';\nimport { onIrrelevantElement } from '../../component/helper/cursorHelper';\nimport { parsePercent } from '../../util/number';\nimport ChartView from '../../view/Chart';\nimport Path from 'zrender/lib/graphic/Path';\nimport { setStatesStylesFromModel, setStatesFlag, setDefaultStateProxy, HOVER_STATE_BLUR } from '../../util/states';\n\nvar TreeEdgeShape =\n/** @class */\nfunction () {\n  function TreeEdgeShape() {\n    this.parentPoint = [];\n    this.childPoints = [];\n  }\n\n  return TreeEdgeShape;\n}();\n\nvar TreePath =\n/** @class */\nfunction (_super) {\n  __extends(TreePath, _super);\n\n  function TreePath(opts) {\n    return _super.call(this, opts) || this;\n  }\n\n  TreePath.prototype.getDefaultStyle = function () {\n    return {\n      stroke: '#000',\n      fill: null\n    };\n  };\n\n  TreePath.prototype.getDefaultShape = function () {\n    return new TreeEdgeShape();\n  };\n\n  TreePath.prototype.buildPath = function (ctx, shape) {\n    var childPoints = shape.childPoints;\n    var childLen = childPoints.length;\n    var parentPoint = shape.parentPoint;\n    var firstChildPos = childPoints[0];\n    var lastChildPos = childPoints[childLen - 1];\n\n    if (childLen === 1) {\n      ctx.moveTo(parentPoint[0], parentPoint[1]);\n      ctx.lineTo(firstChildPos[0], firstChildPos[1]);\n      return;\n    }\n\n    var orient = shape.orient;\n    var forkDim = orient === 'TB' || orient === 'BT' ? 0 : 1;\n    var otherDim = 1 - forkDim;\n    var forkPosition = parsePercent(shape.forkPosition, 1);\n    var tmpPoint = [];\n    tmpPoint[forkDim] = parentPoint[forkDim];\n    tmpPoint[otherDim] = parentPoint[otherDim] + (lastChildPos[otherDim] - parentPoint[otherDim]) * forkPosition;\n    ctx.moveTo(parentPoint[0], parentPoint[1]);\n    ctx.lineTo(tmpPoint[0], tmpPoint[1]);\n    ctx.moveTo(firstChildPos[0], firstChildPos[1]);\n    tmpPoint[forkDim] = firstChildPos[forkDim];\n    ctx.lineTo(tmpPoint[0], tmpPoint[1]);\n    tmpPoint[forkDim] = lastChildPos[forkDim];\n    ctx.lineTo(tmpPoint[0], tmpPoint[1]);\n    ctx.lineTo(lastChildPos[0], lastChildPos[1]);\n\n    for (var i = 1; i < childLen - 1; i++) {\n      var point = childPoints[i];\n      ctx.moveTo(point[0], point[1]);\n      tmpPoint[forkDim] = point[forkDim];\n      ctx.lineTo(tmpPoint[0], tmpPoint[1]);\n    }\n  };\n\n  return TreePath;\n}(Path);\n\nvar TreeView =\n/** @class */\nfunction (_super) {\n  __extends(TreeView, _super);\n\n  function TreeView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = TreeView.type;\n    _this._mainGroup = new graphic.Group();\n    return _this;\n  }\n\n  TreeView.prototype.init = function (ecModel, api) {\n    this._controller = new RoamController(api.getZr());\n    this._controllerHost = {\n      target: this.group\n    };\n    this.group.add(this._mainGroup);\n  };\n\n  TreeView.prototype.render = function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n    var layoutInfo = seriesModel.layoutInfo;\n    var group = this._mainGroup;\n    var layout = seriesModel.get('layout');\n\n    if (layout === 'radial') {\n      group.x = layoutInfo.x + layoutInfo.width / 2;\n      group.y = layoutInfo.y + layoutInfo.height / 2;\n    } else {\n      group.x = layoutInfo.x;\n      group.y = layoutInfo.y;\n    }\n\n    this._updateViewCoordSys(seriesModel);\n\n    this._updateController(seriesModel, ecModel, api);\n\n    var oldData = this._data;\n    data.diff(oldData).add(function (newIdx) {\n      if (symbolNeedsDraw(data, newIdx)) {\n        // Create node and edge\n        updateNode(data, newIdx, null, group, seriesModel);\n      }\n    }).update(function (newIdx, oldIdx) {\n      var symbolEl = oldData.getItemGraphicEl(oldIdx);\n\n      if (!symbolNeedsDraw(data, newIdx)) {\n        symbolEl && removeNode(oldData, oldIdx, symbolEl, group, seriesModel);\n        return;\n      } // Update node and edge\n\n\n      updateNode(data, newIdx, symbolEl, group, seriesModel);\n    }).remove(function (oldIdx) {\n      var symbolEl = oldData.getItemGraphicEl(oldIdx); // When remove a collapsed node of subtree, since the collapsed\n      // node haven't been initialized with a symbol element,\n      // you can't found it's symbol element through index.\n      // so if we want to remove the symbol element we should insure\n      // that the symbol element is not null.\n\n      if (symbolEl) {\n        removeNode(oldData, oldIdx, symbolEl, group, seriesModel);\n      }\n    }).execute();\n    this._nodeScaleRatio = seriesModel.get('nodeScaleRatio');\n\n    this._updateNodeAndLinkScale(seriesModel);\n\n    if (seriesModel.get('expandAndCollapse') === true) {\n      data.eachItemGraphicEl(function (el, dataIndex) {\n        el.off('click').on('click', function () {\n          api.dispatchAction({\n            type: 'treeExpandAndCollapse',\n            seriesId: seriesModel.id,\n            dataIndex: dataIndex\n          });\n        });\n      });\n    }\n\n    this._data = data;\n  };\n\n  TreeView.prototype._updateViewCoordSys = function (seriesModel) {\n    var data = seriesModel.getData();\n    var points = [];\n    data.each(function (idx) {\n      var layout = data.getItemLayout(idx);\n\n      if (layout && !isNaN(layout.x) && !isNaN(layout.y)) {\n        points.push([+layout.x, +layout.y]);\n      }\n    });\n    var min = [];\n    var max = [];\n    bbox.fromPoints(points, min, max); // If don't Store min max when collapse the root node after roam,\n    // the root node will disappear.\n\n    var oldMin = this._min;\n    var oldMax = this._max; // If width or height is 0\n\n    if (max[0] - min[0] === 0) {\n      min[0] = oldMin ? oldMin[0] : min[0] - 1;\n      max[0] = oldMax ? oldMax[0] : max[0] + 1;\n    }\n\n    if (max[1] - min[1] === 0) {\n      min[1] = oldMin ? oldMin[1] : min[1] - 1;\n      max[1] = oldMax ? oldMax[1] : max[1] + 1;\n    }\n\n    var viewCoordSys = seriesModel.coordinateSystem = new View();\n    viewCoordSys.zoomLimit = seriesModel.get('scaleLimit');\n    viewCoordSys.setBoundingRect(min[0], min[1], max[0] - min[0], max[1] - min[1]);\n    viewCoordSys.setCenter(seriesModel.get('center'));\n    viewCoordSys.setZoom(seriesModel.get('zoom')); // Here we use viewCoordSys just for computing the 'position' and 'scale' of the group\n\n    this.group.attr({\n      x: viewCoordSys.x,\n      y: viewCoordSys.y,\n      scaleX: viewCoordSys.scaleX,\n      scaleY: viewCoordSys.scaleY\n    });\n    this._min = min;\n    this._max = max;\n  };\n\n  TreeView.prototype._updateController = function (seriesModel, ecModel, api) {\n    var _this = this;\n\n    var controller = this._controller;\n    var controllerHost = this._controllerHost;\n    var group = this.group;\n    controller.setPointerChecker(function (e, x, y) {\n      var rect = group.getBoundingRect();\n      rect.applyTransform(group.transform);\n      return rect.contain(x, y) && !onIrrelevantElement(e, api, seriesModel);\n    });\n    controller.enable(seriesModel.get('roam'));\n    controllerHost.zoomLimit = seriesModel.get('scaleLimit');\n    controllerHost.zoom = seriesModel.coordinateSystem.getZoom();\n    controller.off('pan').off('zoom').on('pan', function (e) {\n      roamHelper.updateViewOnPan(controllerHost, e.dx, e.dy);\n      api.dispatchAction({\n        seriesId: seriesModel.id,\n        type: 'treeRoam',\n        dx: e.dx,\n        dy: e.dy\n      });\n    }).on('zoom', function (e) {\n      roamHelper.updateViewOnZoom(controllerHost, e.scale, e.originX, e.originY);\n      api.dispatchAction({\n        seriesId: seriesModel.id,\n        type: 'treeRoam',\n        zoom: e.scale,\n        originX: e.originX,\n        originY: e.originY\n      });\n\n      _this._updateNodeAndLinkScale(seriesModel); // Only update label layout on zoom\n\n\n      api.updateLabelLayout();\n    });\n  };\n\n  TreeView.prototype._updateNodeAndLinkScale = function (seriesModel) {\n    var data = seriesModel.getData();\n\n    var nodeScale = this._getNodeGlobalScale(seriesModel);\n\n    data.eachItemGraphicEl(function (el, idx) {\n      el.setSymbolScale(nodeScale);\n    });\n  };\n\n  TreeView.prototype._getNodeGlobalScale = function (seriesModel) {\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys.type !== 'view') {\n      return 1;\n    }\n\n    var nodeScaleRatio = this._nodeScaleRatio;\n    var groupZoom = coordSys.scaleX || 1; // Scale node when zoom changes\n\n    var roamZoom = coordSys.getZoom();\n    var nodeScale = (roamZoom - 1) * nodeScaleRatio + 1;\n    return nodeScale / groupZoom;\n  };\n\n  TreeView.prototype.dispose = function () {\n    this._controller && this._controller.dispose();\n    this._controllerHost = null;\n  };\n\n  TreeView.prototype.remove = function () {\n    this._mainGroup.removeAll();\n\n    this._data = null;\n  };\n\n  TreeView.type = 'tree';\n  return TreeView;\n}(ChartView);\n\nfunction symbolNeedsDraw(data, dataIndex) {\n  var layout = data.getItemLayout(dataIndex);\n  return layout && !isNaN(layout.x) && !isNaN(layout.y);\n}\n\nfunction updateNode(data, dataIndex, symbolEl, group, seriesModel) {\n  var isInit = !symbolEl;\n  var node = data.tree.getNodeByDataIndex(dataIndex);\n  var itemModel = node.getModel();\n  var visualColor = node.getVisual('style').fill;\n  var symbolInnerColor = node.isExpand === false && node.children.length !== 0 ? visualColor : '#fff';\n  var virtualRoot = data.tree.root;\n  var source = node.parentNode === virtualRoot ? node : node.parentNode || node;\n  var sourceSymbolEl = data.getItemGraphicEl(source.dataIndex);\n  var sourceLayout = source.getLayout();\n  var sourceOldLayout = sourceSymbolEl ? {\n    x: sourceSymbolEl.__oldX,\n    y: sourceSymbolEl.__oldY,\n    rawX: sourceSymbolEl.__radialOldRawX,\n    rawY: sourceSymbolEl.__radialOldRawY\n  } : sourceLayout;\n  var targetLayout = node.getLayout();\n\n  if (isInit) {\n    symbolEl = new SymbolClz(data, dataIndex, null, {\n      symbolInnerColor: symbolInnerColor,\n      useNameLabel: true\n    });\n    symbolEl.x = sourceOldLayout.x;\n    symbolEl.y = sourceOldLayout.y;\n  } else {\n    symbolEl.updateData(data, dataIndex, null, {\n      symbolInnerColor: symbolInnerColor,\n      useNameLabel: true\n    });\n  }\n\n  symbolEl.__radialOldRawX = symbolEl.__radialRawX;\n  symbolEl.__radialOldRawY = symbolEl.__radialRawY;\n  symbolEl.__radialRawX = targetLayout.rawX;\n  symbolEl.__radialRawY = targetLayout.rawY;\n  group.add(symbolEl);\n  data.setItemGraphicEl(dataIndex, symbolEl);\n  symbolEl.__oldX = symbolEl.x;\n  symbolEl.__oldY = symbolEl.y;\n  graphic.updateProps(symbolEl, {\n    x: targetLayout.x,\n    y: targetLayout.y\n  }, seriesModel);\n  var symbolPath = symbolEl.getSymbolPath();\n\n  if (seriesModel.get('layout') === 'radial') {\n    var realRoot = virtualRoot.children[0];\n    var rootLayout = realRoot.getLayout();\n    var length_1 = realRoot.children.length;\n    var rad = void 0;\n    var isLeft = void 0;\n\n    if (targetLayout.x === rootLayout.x && node.isExpand === true) {\n      var center = {\n        x: (realRoot.children[0].getLayout().x + realRoot.children[length_1 - 1].getLayout().x) / 2,\n        y: (realRoot.children[0].getLayout().y + realRoot.children[length_1 - 1].getLayout().y) / 2\n      };\n      rad = Math.atan2(center.y - rootLayout.y, center.x - rootLayout.x);\n\n      if (rad < 0) {\n        rad = Math.PI * 2 + rad;\n      }\n\n      isLeft = center.x < rootLayout.x;\n\n      if (isLeft) {\n        rad = rad - Math.PI;\n      }\n    } else {\n      rad = Math.atan2(targetLayout.y - rootLayout.y, targetLayout.x - rootLayout.x);\n\n      if (rad < 0) {\n        rad = Math.PI * 2 + rad;\n      }\n\n      if (node.children.length === 0 || node.children.length !== 0 && node.isExpand === false) {\n        isLeft = targetLayout.x < rootLayout.x;\n\n        if (isLeft) {\n          rad = rad - Math.PI;\n        }\n      } else {\n        isLeft = targetLayout.x > rootLayout.x;\n\n        if (!isLeft) {\n          rad = rad - Math.PI;\n        }\n      }\n    }\n\n    var textPosition = isLeft ? 'left' : 'right';\n    var normalLabelModel = itemModel.getModel('label');\n    var rotate = normalLabelModel.get('rotate');\n    var labelRotateRadian = rotate * (Math.PI / 180);\n    var textContent = symbolPath.getTextContent();\n\n    if (textContent) {\n      symbolPath.setTextConfig({\n        position: normalLabelModel.get('position') || textPosition,\n        rotation: rotate == null ? -rad : labelRotateRadian,\n        origin: 'center'\n      });\n      textContent.setStyle('verticalAlign', 'middle');\n    }\n  } // Handle status\n\n\n  var focus = itemModel.get(['emphasis', 'focus']);\n  var focusDataIndices = focus === 'ancestor' ? node.getAncestorsIndices() : focus === 'descendant' ? node.getDescendantIndices() : null;\n\n  if (focusDataIndices) {\n    // Modify the focus to data indices.\n    getECData(symbolEl).focus = focusDataIndices;\n  }\n\n  drawEdge(seriesModel, node, virtualRoot, symbolEl, sourceOldLayout, sourceLayout, targetLayout, group);\n\n  if (symbolEl.__edge) {\n    symbolEl.onHoverStateChange = function (toState) {\n      if (toState !== 'blur') {\n        // NOTE: Ensure the parent elements will been blurred firstly.\n        // According to the return of getAncestorsIndices and getDescendantIndices\n        // TODO: A bit tricky.\n        var parentEl = node.parentNode && data.getItemGraphicEl(node.parentNode.dataIndex);\n\n        if (!(parentEl && parentEl.hoverState === HOVER_STATE_BLUR)) {\n          setStatesFlag(symbolEl.__edge, toState);\n        }\n      }\n    };\n  }\n}\n\nfunction drawEdge(seriesModel, node, virtualRoot, symbolEl, sourceOldLayout, sourceLayout, targetLayout, group) {\n  var itemModel = node.getModel();\n  var edgeShape = seriesModel.get('edgeShape');\n  var layout = seriesModel.get('layout');\n  var orient = seriesModel.getOrient();\n  var curvature = seriesModel.get(['lineStyle', 'curveness']);\n  var edgeForkPosition = seriesModel.get('edgeForkPosition');\n  var lineStyle = itemModel.getModel('lineStyle').getLineStyle();\n  var edge = symbolEl.__edge;\n\n  if (edgeShape === 'curve') {\n    if (node.parentNode && node.parentNode !== virtualRoot) {\n      if (!edge) {\n        edge = symbolEl.__edge = new graphic.BezierCurve({\n          shape: getEdgeShape(layout, orient, curvature, sourceOldLayout, sourceOldLayout)\n        });\n      }\n\n      graphic.updateProps(edge, {\n        shape: getEdgeShape(layout, orient, curvature, sourceLayout, targetLayout)\n      }, seriesModel);\n    }\n  } else if (edgeShape === 'polyline') {\n    if (layout === 'orthogonal') {\n      if (node !== virtualRoot && node.children && node.children.length !== 0 && node.isExpand === true) {\n        var children = node.children;\n        var childPoints = [];\n\n        for (var i = 0; i < children.length; i++) {\n          var childLayout = children[i].getLayout();\n          childPoints.push([childLayout.x, childLayout.y]);\n        }\n\n        if (!edge) {\n          edge = symbolEl.__edge = new TreePath({\n            shape: {\n              parentPoint: [targetLayout.x, targetLayout.y],\n              childPoints: [[targetLayout.x, targetLayout.y]],\n              orient: orient,\n              forkPosition: edgeForkPosition\n            }\n          });\n        }\n\n        graphic.updateProps(edge, {\n          shape: {\n            parentPoint: [targetLayout.x, targetLayout.y],\n            childPoints: childPoints\n          }\n        }, seriesModel);\n      }\n    } else {\n      if (process.env.NODE_ENV !== 'production') {\n        throw new Error('The polyline edgeShape can only be used in orthogonal layout');\n      }\n    }\n  }\n\n  if (edge) {\n    edge.useStyle(zrUtil.defaults({\n      strokeNoScale: true,\n      fill: null\n    }, lineStyle));\n    setStatesStylesFromModel(edge, itemModel, 'lineStyle');\n    setDefaultStateProxy(edge);\n    group.add(edge);\n  }\n}\n\nfunction removeNode(data, dataIndex, symbolEl, group, seriesModel) {\n  var node = data.tree.getNodeByDataIndex(dataIndex);\n  var virtualRoot = data.tree.root;\n  var source = node.parentNode === virtualRoot ? node : node.parentNode || node; // let edgeShape = seriesScope.edgeShape;\n\n  var sourceLayout;\n\n  while (sourceLayout = source.getLayout(), sourceLayout == null) {\n    source = source.parentNode === virtualRoot ? source : source.parentNode || source;\n  } // Use same duration and easing with update to have more consistent animation.\n\n\n  var removeAnimationOpt = {\n    duration: seriesModel.get('animationDurationUpdate'),\n    easing: seriesModel.get('animationEasingUpdate')\n  };\n  graphic.removeElement(symbolEl, {\n    x: sourceLayout.x + 1,\n    y: sourceLayout.y + 1\n  }, seriesModel, {\n    cb: function () {\n      group.remove(symbolEl);\n      data.setItemGraphicEl(dataIndex, null);\n    },\n    removeOpt: removeAnimationOpt\n  });\n  symbolEl.fadeOut(null, {\n    fadeLabel: true,\n    animation: removeAnimationOpt\n  });\n  var sourceSymbolEl = data.getItemGraphicEl(source.dataIndex);\n  var sourceEdge = sourceSymbolEl.__edge; // 1. when expand the sub tree, delete the children node should delete the edge of\n  // the source at the same time. because the polyline edge shape is only owned by the source.\n  // 2.when the node is the only children of the source, delete the node should delete the edge of\n  // the source at the same time. the same reason as above.\n\n  var edge = symbolEl.__edge || (source.isExpand === false || source.children.length === 1 ? sourceEdge : undefined);\n  var edgeShape = seriesModel.get('edgeShape');\n  var layoutOpt = seriesModel.get('layout');\n  var orient = seriesModel.get('orient');\n  var curvature = seriesModel.get(['lineStyle', 'curveness']);\n\n  if (edge) {\n    if (edgeShape === 'curve') {\n      graphic.removeElement(edge, {\n        shape: getEdgeShape(layoutOpt, orient, curvature, sourceLayout, sourceLayout),\n        style: {\n          opacity: 0\n        }\n      }, seriesModel, {\n        cb: function () {\n          group.remove(edge);\n        },\n        removeOpt: removeAnimationOpt\n      });\n    } else if (edgeShape === 'polyline' && seriesModel.get('layout') === 'orthogonal') {\n      graphic.removeElement(edge, {\n        shape: {\n          parentPoint: [sourceLayout.x, sourceLayout.y],\n          childPoints: [[sourceLayout.x, sourceLayout.y]]\n        },\n        style: {\n          opacity: 0\n        }\n      }, seriesModel, {\n        cb: function () {\n          group.remove(edge);\n        },\n        removeOpt: removeAnimationOpt\n      });\n    }\n  }\n}\n\nfunction getEdgeShape(layoutOpt, orient, curvature, sourceLayout, targetLayout) {\n  var cpx1;\n  var cpy1;\n  var cpx2;\n  var cpy2;\n  var x1;\n  var x2;\n  var y1;\n  var y2;\n\n  if (layoutOpt === 'radial') {\n    x1 = sourceLayout.rawX;\n    y1 = sourceLayout.rawY;\n    x2 = targetLayout.rawX;\n    y2 = targetLayout.rawY;\n    var radialCoor1 = radialCoordinate(x1, y1);\n    var radialCoor2 = radialCoordinate(x1, y1 + (y2 - y1) * curvature);\n    var radialCoor3 = radialCoordinate(x2, y2 + (y1 - y2) * curvature);\n    var radialCoor4 = radialCoordinate(x2, y2);\n    return {\n      x1: radialCoor1.x || 0,\n      y1: radialCoor1.y || 0,\n      x2: radialCoor4.x || 0,\n      y2: radialCoor4.y || 0,\n      cpx1: radialCoor2.x || 0,\n      cpy1: radialCoor2.y || 0,\n      cpx2: radialCoor3.x || 0,\n      cpy2: radialCoor3.y || 0\n    };\n  } else {\n    x1 = sourceLayout.x;\n    y1 = sourceLayout.y;\n    x2 = targetLayout.x;\n    y2 = targetLayout.y;\n\n    if (orient === 'LR' || orient === 'RL') {\n      cpx1 = x1 + (x2 - x1) * curvature;\n      cpy1 = y1;\n      cpx2 = x2 + (x1 - x2) * curvature;\n      cpy2 = y2;\n    }\n\n    if (orient === 'TB' || orient === 'BT') {\n      cpx1 = x1;\n      cpy1 = y1 + (y2 - y1) * curvature;\n      cpx2 = x2;\n      cpy2 = y2 + (y1 - y2) * curvature;\n    }\n  }\n\n  return {\n    x1: x1,\n    y1: y1,\n    x2: x2,\n    y2: y2,\n    cpx1: cpx1,\n    cpy1: cpy1,\n    cpx2: cpx2,\n    cpy2: cpy2\n  };\n}\n\nexport default TreeView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Tree data structure\n */\nimport * as zrUtil from 'zrender/lib/core/util';\nimport linkList from './helper/linkList';\nimport List from './List';\nimport createDimensions from './helper/createDimensions';\nimport { convertOptionIdName } from '../util/model';\n\nvar TreeNode =\n/** @class */\nfunction () {\n  function TreeNode(name, hostTree) {\n    this.depth = 0;\n    this.height = 0;\n    /**\n     * Reference to list item.\n     * Do not persistent dataIndex outside,\n     * besause it may be changed by list.\n     * If dataIndex -1,\n     * this node is logical deleted (filtered) in list.\n     */\n\n    this.dataIndex = -1;\n    this.children = [];\n    this.viewChildren = [];\n    this.isExpand = false;\n    this.name = name || '';\n    this.hostTree = hostTree;\n  }\n  /**\n   * The node is removed.\n   */\n\n\n  TreeNode.prototype.isRemoved = function () {\n    return this.dataIndex < 0;\n  };\n\n  TreeNode.prototype.eachNode = function (options, cb, context) {\n    if (typeof options === 'function') {\n      context = cb;\n      cb = options;\n      options = null;\n    }\n\n    options = options || {};\n\n    if (zrUtil.isString(options)) {\n      options = {\n        order: options\n      };\n    }\n\n    var order = options.order || 'preorder';\n    var children = this[options.attr || 'children'];\n    var suppressVisitSub;\n    order === 'preorder' && (suppressVisitSub = cb.call(context, this));\n\n    for (var i = 0; !suppressVisitSub && i < children.length; i++) {\n      children[i].eachNode(options, cb, context);\n    }\n\n    order === 'postorder' && cb.call(context, this);\n  };\n  /**\n   * Update depth and height of this subtree.\n   */\n\n\n  TreeNode.prototype.updateDepthAndHeight = function (depth) {\n    var height = 0;\n    this.depth = depth;\n\n    for (var i = 0; i < this.children.length; i++) {\n      var child = this.children[i];\n      child.updateDepthAndHeight(depth + 1);\n\n      if (child.height > height) {\n        height = child.height;\n      }\n    }\n\n    this.height = height + 1;\n  };\n\n  TreeNode.prototype.getNodeById = function (id) {\n    if (this.getId() === id) {\n      return this;\n    }\n\n    for (var i = 0, children = this.children, len = children.length; i < len; i++) {\n      var res = children[i].getNodeById(id);\n\n      if (res) {\n        return res;\n      }\n    }\n  };\n\n  TreeNode.prototype.contains = function (node) {\n    if (node === this) {\n      return true;\n    }\n\n    for (var i = 0, children = this.children, len = children.length; i < len; i++) {\n      var res = children[i].contains(node);\n\n      if (res) {\n        return res;\n      }\n    }\n  };\n  /**\n   * @param includeSelf Default false.\n   * @return order: [root, child, grandchild, ...]\n   */\n\n\n  TreeNode.prototype.getAncestors = function (includeSelf) {\n    var ancestors = [];\n    var node = includeSelf ? this : this.parentNode;\n\n    while (node) {\n      ancestors.push(node);\n      node = node.parentNode;\n    }\n\n    ancestors.reverse();\n    return ancestors;\n  };\n\n  TreeNode.prototype.getAncestorsIndices = function () {\n    var indices = [];\n    var currNode = this;\n\n    while (currNode) {\n      indices.push(currNode.dataIndex);\n      currNode = currNode.parentNode;\n    }\n\n    indices.reverse();\n    return indices;\n  };\n\n  TreeNode.prototype.getDescendantIndices = function () {\n    var indices = [];\n    this.eachNode(function (childNode) {\n      indices.push(childNode.dataIndex);\n    });\n    return indices;\n  };\n\n  TreeNode.prototype.getValue = function (dimension) {\n    var data = this.hostTree.data;\n    return data.get(data.getDimension(dimension || 'value'), this.dataIndex);\n  };\n\n  TreeNode.prototype.setLayout = function (layout, merge) {\n    this.dataIndex >= 0 && this.hostTree.data.setItemLayout(this.dataIndex, layout, merge);\n  };\n  /**\n   * @return {Object} layout\n   */\n\n\n  TreeNode.prototype.getLayout = function () {\n    return this.hostTree.data.getItemLayout(this.dataIndex);\n  }; // @depcrecated\n  // getModel<T = unknown, S extends keyof T = keyof T>(path: S): Model<T[S]>\n\n\n  TreeNode.prototype.getModel = function (path) {\n    if (this.dataIndex < 0) {\n      return;\n    }\n\n    var hostTree = this.hostTree;\n    var itemModel = hostTree.data.getItemModel(this.dataIndex);\n    return itemModel.getModel(path);\n  }; // TODO: TYPE More specific model\n\n\n  TreeNode.prototype.getLevelModel = function () {\n    return (this.hostTree.levelModels || [])[this.depth];\n  };\n\n  TreeNode.prototype.setVisual = function (key, value) {\n    this.dataIndex >= 0 && this.hostTree.data.setItemVisual(this.dataIndex, key, value);\n  };\n  /**\n   * Get item visual\n   * FIXME: make return type better\n   */\n\n\n  TreeNode.prototype.getVisual = function (key) {\n    return this.hostTree.data.getItemVisual(this.dataIndex, key);\n  };\n\n  TreeNode.prototype.getRawIndex = function () {\n    return this.hostTree.data.getRawIndex(this.dataIndex);\n  };\n\n  TreeNode.prototype.getId = function () {\n    return this.hostTree.data.getId(this.dataIndex);\n  };\n  /**\n   * if this is an ancestor of another node\n   *\n   * @param node another node\n   * @return if is ancestor\n   */\n\n\n  TreeNode.prototype.isAncestorOf = function (node) {\n    var parent = node.parentNode;\n\n    while (parent) {\n      if (parent === this) {\n        return true;\n      }\n\n      parent = parent.parentNode;\n    }\n\n    return false;\n  };\n  /**\n   * if this is an descendant of another node\n   *\n   * @param node another node\n   * @return if is descendant\n   */\n\n\n  TreeNode.prototype.isDescendantOf = function (node) {\n    return node !== this && node.isAncestorOf(this);\n  };\n\n  return TreeNode;\n}();\n\nexport { TreeNode };\n;\n\nvar Tree =\n/** @class */\nfunction () {\n  function Tree(hostModel) {\n    this.type = 'tree';\n    this._nodes = [];\n    this.hostModel = hostModel;\n  }\n\n  Tree.prototype.eachNode = function (options, cb, context) {\n    this.root.eachNode(options, cb, context);\n  };\n\n  Tree.prototype.getNodeByDataIndex = function (dataIndex) {\n    var rawIndex = this.data.getRawIndex(dataIndex);\n    return this._nodes[rawIndex];\n  };\n\n  Tree.prototype.getNodeById = function (name) {\n    return this.root.getNodeById(name);\n  };\n  /**\n   * Update item available by list,\n   * when list has been performed options like 'filterSelf' or 'map'.\n   */\n\n\n  Tree.prototype.update = function () {\n    var data = this.data;\n    var nodes = this._nodes;\n\n    for (var i = 0, len = nodes.length; i < len; i++) {\n      nodes[i].dataIndex = -1;\n    }\n\n    for (var i = 0, len = data.count(); i < len; i++) {\n      nodes[data.getRawIndex(i)].dataIndex = i;\n    }\n  };\n  /**\n   * Clear all layouts\n   */\n\n\n  Tree.prototype.clearLayouts = function () {\n    this.data.clearItemLayouts();\n  };\n  /**\n   * data node format:\n   * {\n   *     name: ...\n   *     value: ...\n   *     children: [\n   *         {\n   *             name: ...\n   *             value: ...\n   *             children: ...\n   *         },\n   *         ...\n   *     ]\n   * }\n   */\n\n\n  Tree.createTree = function (dataRoot, hostModel, beforeLink) {\n    var tree = new Tree(hostModel);\n    var listData = [];\n    var dimMax = 1;\n    buildHierarchy(dataRoot);\n\n    function buildHierarchy(dataNode, parentNode) {\n      var value = dataNode.value;\n      dimMax = Math.max(dimMax, zrUtil.isArray(value) ? value.length : 1);\n      listData.push(dataNode);\n      var node = new TreeNode(convertOptionIdName(dataNode.name, ''), tree);\n      parentNode ? addChild(node, parentNode) : tree.root = node;\n\n      tree._nodes.push(node);\n\n      var children = dataNode.children;\n\n      if (children) {\n        for (var i = 0; i < children.length; i++) {\n          buildHierarchy(children[i], node);\n        }\n      }\n    }\n\n    tree.root.updateDepthAndHeight(0);\n    var dimensionsInfo = createDimensions(listData, {\n      coordDimensions: ['value'],\n      dimensionsCount: dimMax\n    });\n    var list = new List(dimensionsInfo, hostModel);\n    list.initData(listData);\n    beforeLink && beforeLink(list);\n    linkList({\n      mainData: list,\n      struct: tree,\n      structAttr: 'tree'\n    });\n    tree.update();\n    return tree;\n  };\n\n  return Tree;\n}();\n/**\n * It is needed to consider the mess of 'list', 'hostModel' when creating a TreeNote,\n * so this function is not ready and not necessary to be public.\n */\n\n\nfunction addChild(child, node) {\n  var children = node.children;\n\n  if (child.parentNode === node) {\n    return;\n  }\n\n  children.push(child);\n  child.parentNode = node;\n}\n\nexport default Tree;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport SeriesModel from '../../model/Series';\nimport Tree from '../../data/Tree';\nimport Model from '../../model/Model';\nimport { createTooltipMarkup } from '../../component/tooltip/tooltipMarkup';\n\nvar TreeSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(TreeSeriesModel, _super);\n\n  function TreeSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.hasSymbolVisual = true; // Do it self.\n\n    _this.ignoreStyleOnData = true;\n    return _this;\n  }\n  /**\n   * Init a tree data structure from data in option series\n   * @param  option  the object used to config echarts view\n   * @return storage initial data\n   */\n\n\n  TreeSeriesModel.prototype.getInitialData = function (option) {\n    //create an virtual root\n    var root = {\n      name: option.name,\n      children: option.data\n    };\n    var leaves = option.leaves || {};\n    var leavesModel = new Model(leaves, this, this.ecModel);\n    var tree = Tree.createTree(root, this, beforeLink);\n\n    function beforeLink(nodeData) {\n      nodeData.wrapMethod('getItemModel', function (model, idx) {\n        var node = tree.getNodeByDataIndex(idx);\n\n        if (!node.children.length || !node.isExpand) {\n          model.parentModel = leavesModel;\n        }\n\n        return model;\n      });\n    }\n\n    var treeDepth = 0;\n    tree.eachNode('preorder', function (node) {\n      if (node.depth > treeDepth) {\n        treeDepth = node.depth;\n      }\n    });\n    var expandAndCollapse = option.expandAndCollapse;\n    var expandTreeDepth = expandAndCollapse && option.initialTreeDepth >= 0 ? option.initialTreeDepth : treeDepth;\n    tree.root.eachNode('preorder', function (node) {\n      var item = node.hostTree.data.getRawDataItem(node.dataIndex); // Add item.collapsed != null, because users can collapse node original in the series.data.\n\n      node.isExpand = item && item.collapsed != null ? !item.collapsed : node.depth <= expandTreeDepth;\n    });\n    return tree.data;\n  };\n  /**\n   * Make the configuration 'orient' backward compatibly, with 'horizontal = LR', 'vertical = TB'.\n   * @returns {string} orient\n   */\n\n\n  TreeSeriesModel.prototype.getOrient = function () {\n    var orient = this.get('orient');\n\n    if (orient === 'horizontal') {\n      orient = 'LR';\n    } else if (orient === 'vertical') {\n      orient = 'TB';\n    }\n\n    return orient;\n  };\n\n  TreeSeriesModel.prototype.setZoom = function (zoom) {\n    this.option.zoom = zoom;\n  };\n\n  TreeSeriesModel.prototype.setCenter = function (center) {\n    this.option.center = center;\n  };\n\n  TreeSeriesModel.prototype.formatTooltip = function (dataIndex, multipleSeries, dataType) {\n    var tree = this.getData().tree;\n    var realRoot = tree.root.children[0];\n    var node = tree.getNodeByDataIndex(dataIndex);\n    var value = node.getValue();\n    var name = node.name;\n\n    while (node && node !== realRoot) {\n      name = node.parentNode.name + '.' + name;\n      node = node.parentNode;\n    }\n\n    return createTooltipMarkup('nameValue', {\n      name: name,\n      value: value,\n      noValue: isNaN(value) || value == null\n    });\n  };\n\n  TreeSeriesModel.type = 'series.tree'; // can support the position parameters 'left', 'top','right','bottom', 'width',\n  // 'height' in the setOption() with 'merge' mode normal.\n\n  TreeSeriesModel.layoutMode = 'box';\n  TreeSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    coordinateSystem: 'view',\n    // the position of the whole view\n    left: '12%',\n    top: '12%',\n    right: '12%',\n    bottom: '12%',\n    // the layout of the tree, two value can be selected, 'orthogonal' or 'radial'\n    layout: 'orthogonal',\n    // value can be 'polyline'\n    edgeShape: 'curve',\n    edgeForkPosition: '50%',\n    // true | false | 'move' | 'scale', see module:component/helper/RoamController.\n    roam: false,\n    // Symbol size scale ratio in roam\n    nodeScaleRatio: 0.4,\n    // Default on center of graph\n    center: null,\n    zoom: 1,\n    orient: 'LR',\n    symbol: 'emptyCircle',\n    symbolSize: 7,\n    expandAndCollapse: true,\n    initialTreeDepth: 2,\n    lineStyle: {\n      color: '#ccc',\n      width: 1.5,\n      curveness: 0.5\n    },\n    itemStyle: {\n      color: 'lightsteelblue',\n      // borderColor: '#c23531',\n      borderWidth: 1.5\n    },\n    label: {\n      show: true\n    },\n    animationEasing: 'linear',\n    animationDuration: 700,\n    animationDurationUpdate: 500\n  };\n  return TreeSeriesModel;\n}(SeriesModel);\n\nexport default TreeSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Traverse the tree from bottom to top and do something\n */\nfunction eachAfter(root, callback, separation) {\n  var nodes = [root];\n  var next = [];\n  var node;\n\n  while (node = nodes.pop()) {\n    // jshint ignore:line\n    next.push(node);\n\n    if (node.isExpand) {\n      var children = node.children;\n\n      if (children.length) {\n        for (var i = 0; i < children.length; i++) {\n          nodes.push(children[i]);\n        }\n      }\n    }\n  }\n\n  while (node = next.pop()) {\n    // jshint ignore:line\n    callback(node, separation);\n  }\n}\n/**\n * Traverse the tree from top to bottom and do something\n */\n\n\nfunction eachBefore(root, callback) {\n  var nodes = [root];\n  var node;\n\n  while (node = nodes.pop()) {\n    // jshint ignore:line\n    callback(node);\n\n    if (node.isExpand) {\n      var children = node.children;\n\n      if (children.length) {\n        for (var i = children.length - 1; i >= 0; i--) {\n          nodes.push(children[i]);\n        }\n      }\n    }\n  }\n}\n\nexport { eachAfter, eachBefore };","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { eachAfter, eachBefore } from './traversalHelper';\nimport { init, firstWalk, secondWalk, separation as sep, radialCoordinate, getViewRect } from './layoutHelper';\nexport default function treeLayout(ecModel, api) {\n  ecModel.eachSeriesByType('tree', function (seriesModel) {\n    commonLayout(seriesModel, api);\n  });\n}\n\nfunction commonLayout(seriesModel, api) {\n  var layoutInfo = getViewRect(seriesModel, api);\n  seriesModel.layoutInfo = layoutInfo;\n  var layout = seriesModel.get('layout');\n  var width = 0;\n  var height = 0;\n  var separation = null;\n\n  if (layout === 'radial') {\n    width = 2 * Math.PI;\n    height = Math.min(layoutInfo.height, layoutInfo.width) / 2;\n    separation = sep(function (node1, node2) {\n      return (node1.parentNode === node2.parentNode ? 1 : 2) / node1.depth;\n    });\n  } else {\n    width = layoutInfo.width;\n    height = layoutInfo.height;\n    separation = sep();\n  }\n\n  var virtualRoot = seriesModel.getData().tree.root;\n  var realRoot = virtualRoot.children[0];\n\n  if (realRoot) {\n    init(virtualRoot);\n    eachAfter(realRoot, firstWalk, separation);\n    virtualRoot.hierNode.modifier = -realRoot.hierNode.prelim;\n    eachBefore(realRoot, secondWalk);\n    var left_1 = realRoot;\n    var right_1 = realRoot;\n    var bottom_1 = realRoot;\n    eachBefore(realRoot, function (node) {\n      var x = node.getLayout().x;\n\n      if (x < left_1.getLayout().x) {\n        left_1 = node;\n      }\n\n      if (x > right_1.getLayout().x) {\n        right_1 = node;\n      }\n\n      if (node.depth > bottom_1.depth) {\n        bottom_1 = node;\n      }\n    });\n    var delta = left_1 === right_1 ? 1 : separation(left_1, right_1) / 2;\n    var tx_1 = delta - left_1.getLayout().x;\n    var kx_1 = 0;\n    var ky_1 = 0;\n    var coorX_1 = 0;\n    var coorY_1 = 0;\n\n    if (layout === 'radial') {\n      kx_1 = width / (right_1.getLayout().x + delta + tx_1); // here we use (node.depth - 1), bucause the real root's depth is 1\n\n      ky_1 = height / (bottom_1.depth - 1 || 1);\n      eachBefore(realRoot, function (node) {\n        coorX_1 = (node.getLayout().x + tx_1) * kx_1;\n        coorY_1 = (node.depth - 1) * ky_1;\n        var finalCoor = radialCoordinate(coorX_1, coorY_1);\n        node.setLayout({\n          x: finalCoor.x,\n          y: finalCoor.y,\n          rawX: coorX_1,\n          rawY: coorY_1\n        }, true);\n      });\n    } else {\n      var orient_1 = seriesModel.getOrient();\n\n      if (orient_1 === 'RL' || orient_1 === 'LR') {\n        ky_1 = height / (right_1.getLayout().x + delta + tx_1);\n        kx_1 = width / (bottom_1.depth - 1 || 1);\n        eachBefore(realRoot, function (node) {\n          coorY_1 = (node.getLayout().x + tx_1) * ky_1;\n          coorX_1 = orient_1 === 'LR' ? (node.depth - 1) * kx_1 : width - (node.depth - 1) * kx_1;\n          node.setLayout({\n            x: coorX_1,\n            y: coorY_1\n          }, true);\n        });\n      } else if (orient_1 === 'TB' || orient_1 === 'BT') {\n        kx_1 = width / (right_1.getLayout().x + delta + tx_1);\n        ky_1 = height / (bottom_1.depth - 1 || 1);\n        eachBefore(realRoot, function (node) {\n          coorX_1 = (node.getLayout().x + tx_1) * kx_1;\n          coorY_1 = orient_1 === 'TB' ? (node.depth - 1) * ky_1 : height - (node.depth - 1) * ky_1;\n          node.setLayout({\n            x: coorX_1,\n            y: coorY_1\n          }, true);\n        });\n      }\n    }\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { extend } from 'zrender/lib/core/util';\nexport default function treeVisual(ecModel) {\n  ecModel.eachSeriesByType('tree', function (seriesModel) {\n    var data = seriesModel.getData();\n    var tree = data.tree;\n    tree.eachNode(function (node) {\n      var model = node.getModel(); // TODO Optimize\n\n      var style = model.getModel('itemStyle').getItemStyle();\n      var existsStyle = data.ensureUniqueItemVisual(node.dataIndex, 'style');\n      extend(existsStyle, style);\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nexport function retrieveTargetInfo(payload, validPayloadTypes, seriesModel) {\n  if (payload && zrUtil.indexOf(validPayloadTypes, payload.type) >= 0) {\n    var root = seriesModel.getData().tree.root;\n    var targetNode = payload.targetNode;\n\n    if (typeof targetNode === 'string') {\n      targetNode = root.getNodeById(targetNode);\n    }\n\n    if (targetNode && root.contains(targetNode)) {\n      return {\n        node: targetNode\n      };\n    }\n\n    var targetNodeId = payload.targetNodeId;\n\n    if (targetNodeId != null && (targetNode = root.getNodeById(targetNodeId))) {\n      return {\n        node: targetNode\n      };\n    }\n  }\n} // Not includes the given node at the last item.\n\nexport function getPathToRoot(node) {\n  var path = [];\n\n  while (node) {\n    node = node.parentNode;\n    node && path.push(node);\n  }\n\n  return path.reverse();\n}\nexport function aboveViewRoot(viewRoot, node) {\n  var viewPath = getPathToRoot(viewRoot);\n  return zrUtil.indexOf(viewPath, node) >= 0;\n} // From root to the input node (the input node will be included).\n\nexport function wrapTreePathInfo(node, seriesModel) {\n  var treePathInfo = [];\n\n  while (node) {\n    var nodeDataIndex = node.dataIndex;\n    treePathInfo.push({\n      name: node.name,\n      dataIndex: nodeDataIndex,\n      value: seriesModel.getRawValue(nodeDataIndex)\n    });\n    node = node.parentNode;\n  }\n\n  treePathInfo.reverse();\n  return treePathInfo;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as helper from '../helper/treeHelper';\n\nvar noop = function () {};\n\nvar actionTypes = ['treemapZoomToNode', 'treemapRender', 'treemapMove'];\nexport function installTreemapAction(registers) {\n  for (var i = 0; i < actionTypes.length; i++) {\n    registers.registerAction({\n      type: actionTypes[i],\n      update: 'updateView'\n    }, noop);\n  }\n\n  registers.registerAction({\n    type: 'treemapRootToNode',\n    update: 'updateView'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'series',\n      subType: 'treemap',\n      query: payload\n    }, handleRootToNode);\n\n    function handleRootToNode(model, index) {\n      var types = ['treemapZoomToNode', 'treemapRootToNode'];\n      var targetInfo = helper.retrieveTargetInfo(payload, types, model);\n\n      if (targetInfo) {\n        var originViewRoot = model.getViewRoot();\n\n        if (originViewRoot) {\n          payload.direction = helper.aboveViewRoot(originViewRoot, targetInfo.node) ? 'rollUp' : 'drillDown';\n        }\n\n        model.resetViewRoot(targetInfo.node);\n      }\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { getDecalFromPalette } from '../../model/mixin/palette';\nexport default function enableAriaDecalForTree(seriesModel) {\n  var data = seriesModel.getData();\n  var tree = data.tree;\n  var decalPaletteScope = {};\n  tree.eachNode(function (node) {\n    // Use decal of level 1 node\n    var current = node;\n\n    while (current && current.depth > 1) {\n      current = current.parentNode;\n    }\n\n    var decal = getDecalFromPalette(seriesModel.ecModel, current.name || current.dataIndex + '', decalPaletteScope);\n    node.setVisual('decal', decal);\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport SeriesModel from '../../model/Series';\nimport Tree from '../../data/Tree';\nimport Model from '../../model/Model';\nimport { wrapTreePathInfo } from '../helper/treeHelper';\nimport { normalizeToArray } from '../../util/model';\nimport { createTooltipMarkup } from '../../component/tooltip/tooltipMarkup';\nimport enableAriaDecalForTree from '../helper/enableAriaDecalForTree';\n\nvar TreemapSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(TreemapSeriesModel, _super);\n\n  function TreemapSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = TreemapSeriesModel.type;\n    _this.preventUsingHoverLayer = true;\n    return _this;\n  }\n  /**\n   * @override\n   */\n\n\n  TreemapSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    // Create a virtual root.\n    var root = {\n      name: option.name,\n      children: option.data\n    };\n    completeTreeValue(root);\n    var levels = option.levels || []; // Used in \"visual priority\" in `treemapVisual.js`.\n    // This way is a little tricky, must satisfy the precondition:\n    //   1. There is no `treeNode.getModel('itemStyle.xxx')` used.\n    //   2. The `Model.prototype.getModel()` will not use any clone-like way.\n\n    var designatedVisualItemStyle = this.designatedVisualItemStyle = {};\n    var designatedVisualModel = new Model({\n      itemStyle: designatedVisualItemStyle\n    }, this, ecModel);\n    levels = option.levels = setDefault(levels, ecModel);\n    var levelModels = zrUtil.map(levels || [], function (levelDefine) {\n      return new Model(levelDefine, designatedVisualModel, ecModel);\n    }, this); // Make sure always a new tree is created when setOption,\n    // in TreemapView, we check whether oldTree === newTree\n    // to choose mappings approach among old shapes and new shapes.\n\n    var tree = Tree.createTree(root, this, beforeLink);\n\n    function beforeLink(nodeData) {\n      nodeData.wrapMethod('getItemModel', function (model, idx) {\n        var node = tree.getNodeByDataIndex(idx);\n        var levelModel = levelModels[node.depth]; // If no levelModel, we also need `designatedVisualModel`.\n\n        model.parentModel = levelModel || designatedVisualModel;\n        return model;\n      });\n    }\n\n    return tree.data;\n  };\n\n  TreemapSeriesModel.prototype.optionUpdated = function () {\n    this.resetViewRoot();\n  };\n  /**\n   * @override\n   * @param {number} dataIndex\n   * @param {boolean} [mutipleSeries=false]\n   */\n\n\n  TreemapSeriesModel.prototype.formatTooltip = function (dataIndex, multipleSeries, dataType) {\n    var data = this.getData();\n    var value = this.getRawValue(dataIndex);\n    var name = data.getName(dataIndex);\n    return createTooltipMarkup('nameValue', {\n      name: name,\n      value: value\n    });\n  };\n  /**\n   * Add tree path to tooltip param\n   *\n   * @override\n   * @param {number} dataIndex\n   * @return {Object}\n   */\n\n\n  TreemapSeriesModel.prototype.getDataParams = function (dataIndex) {\n    var params = _super.prototype.getDataParams.apply(this, arguments);\n\n    var node = this.getData().tree.getNodeByDataIndex(dataIndex);\n    params.treePathInfo = wrapTreePathInfo(node, this);\n    return params;\n  };\n  /**\n   * @public\n   * @param {Object} layoutInfo {\n   *                                x: containerGroup x\n   *                                y: containerGroup y\n   *                                width: containerGroup width\n   *                                height: containerGroup height\n   *                            }\n   */\n\n\n  TreemapSeriesModel.prototype.setLayoutInfo = function (layoutInfo) {\n    /**\n     * @readOnly\n     * @type {Object}\n     */\n    this.layoutInfo = this.layoutInfo || {};\n    zrUtil.extend(this.layoutInfo, layoutInfo);\n  };\n  /**\n   * @param  {string} id\n   * @return {number} index\n   */\n\n\n  TreemapSeriesModel.prototype.mapIdToIndex = function (id) {\n    // A feature is implemented:\n    // index is monotone increasing with the sequence of\n    // input id at the first time.\n    // This feature can make sure that each data item and its\n    // mapped color have the same index between data list and\n    // color list at the beginning, which is useful for user\n    // to adjust data-color mapping.\n\n    /**\n     * @private\n     * @type {Object}\n     */\n    var idIndexMap = this._idIndexMap;\n\n    if (!idIndexMap) {\n      idIndexMap = this._idIndexMap = zrUtil.createHashMap();\n      /**\n       * @private\n       * @type {number}\n       */\n\n      this._idIndexMapCount = 0;\n    }\n\n    var index = idIndexMap.get(id);\n\n    if (index == null) {\n      idIndexMap.set(id, index = this._idIndexMapCount++);\n    }\n\n    return index;\n  };\n\n  TreemapSeriesModel.prototype.getViewRoot = function () {\n    return this._viewRoot;\n  };\n\n  TreemapSeriesModel.prototype.resetViewRoot = function (viewRoot) {\n    viewRoot ? this._viewRoot = viewRoot : viewRoot = this._viewRoot;\n    var root = this.getRawData().tree.root;\n\n    if (!viewRoot || viewRoot !== root && !root.contains(viewRoot)) {\n      this._viewRoot = root;\n    }\n  };\n\n  TreemapSeriesModel.prototype.enableAriaDecal = function () {\n    enableAriaDecalForTree(this);\n  };\n\n  TreemapSeriesModel.type = 'series.treemap';\n  TreemapSeriesModel.layoutMode = 'box';\n  TreemapSeriesModel.defaultOption = {\n    // Disable progressive rendering\n    progressive: 0,\n    // size: ['80%', '80%'],            // deprecated, compatible with ec2.\n    left: 'center',\n    top: 'middle',\n    width: '80%',\n    height: '80%',\n    sort: true,\n    clipWindow: 'origin',\n    squareRatio: 0.5 * (1 + Math.sqrt(5)),\n    leafDepth: null,\n    drillDownIcon: '▶',\n    // to align specialized icon. ▷▶❒❐▼✚\n    zoomToNodeRatio: 0.32 * 0.32,\n    roam: true,\n    nodeClick: 'zoomToNode',\n    animation: true,\n    animationDurationUpdate: 900,\n    animationEasing: 'quinticInOut',\n    breadcrumb: {\n      show: true,\n      height: 22,\n      left: 'center',\n      top: 'bottom',\n      // right\n      // bottom\n      emptyItemWidth: 25,\n      itemStyle: {\n        color: 'rgba(0,0,0,0.7)',\n        textStyle: {\n          color: '#fff'\n        }\n      }\n    },\n    label: {\n      show: true,\n      // Do not use textDistance, for ellipsis rect just the same as treemap node rect.\n      distance: 0,\n      padding: 5,\n      position: 'inside',\n      // formatter: null,\n      color: '#fff',\n      overflow: 'truncate' // align\n      // verticalAlign\n\n    },\n    upperLabel: {\n      show: false,\n      position: [0, '50%'],\n      height: 20,\n      // formatter: null,\n      // color: '#fff',\n      overflow: 'truncate',\n      // align: null,\n      verticalAlign: 'middle'\n    },\n    itemStyle: {\n      color: null,\n      colorAlpha: null,\n      colorSaturation: null,\n      borderWidth: 0,\n      gapWidth: 0,\n      borderColor: '#fff',\n      borderColorSaturation: null // If specified, borderColor will be ineffective, and the\n      // border color is evaluated by color of current node and\n      // borderColorSaturation.\n\n    },\n    emphasis: {\n      upperLabel: {\n        show: true,\n        position: [0, '50%'],\n        ellipsis: true,\n        verticalAlign: 'middle'\n      }\n    },\n    visualDimension: 0,\n    visualMin: null,\n    visualMax: null,\n    color: [],\n    // level[n].color (if necessary).\n    // + Specify color list of each level. level[0].color would be global\n    // color list if not specified. (see method `setDefault`).\n    // + But set as a empty array to forbid fetch color from global palette\n    // when using nodeModel.get('color'), otherwise nodes on deep level\n    // will always has color palette set and are not able to inherit color\n    // from parent node.\n    // + TreemapSeries.color can not be set as 'none', otherwise effect\n    // legend color fetching (see seriesColor.js).\n    colorAlpha: null,\n    colorSaturation: null,\n    colorMappingBy: 'index',\n    visibleMin: 10,\n    // be rendered. Only works when sort is 'asc' or 'desc'.\n    childrenVisibleMin: null,\n    // grandchildren will not show.\n    // Why grandchildren? If not grandchildren but children,\n    // some siblings show children and some not,\n    // the appearance may be mess and not consistent,\n    levels: [] // Each item: {\n    //     visibleMin, itemStyle, visualDimension, label\n    // }\n    // data: {\n    //      value: [],\n    //      children: [],\n    //      link: 'http://xxx.xxx.xxx',\n    //      target: 'blank' or 'self'\n    // }\n\n  };\n  return TreemapSeriesModel;\n}(SeriesModel);\n/**\n * @param {Object} dataNode\n */\n\n\nfunction completeTreeValue(dataNode) {\n  // Postorder travel tree.\n  // If value of none-leaf node is not set,\n  // calculate it by suming up the value of all children.\n  var sum = 0;\n  zrUtil.each(dataNode.children, function (child) {\n    completeTreeValue(child);\n    var childValue = child.value;\n    zrUtil.isArray(childValue) && (childValue = childValue[0]);\n    sum += childValue;\n  });\n  var thisValue = dataNode.value;\n\n  if (zrUtil.isArray(thisValue)) {\n    thisValue = thisValue[0];\n  }\n\n  if (thisValue == null || isNaN(thisValue)) {\n    thisValue = sum;\n  } // Value should not less than 0.\n\n\n  if (thisValue < 0) {\n    thisValue = 0;\n  }\n\n  zrUtil.isArray(dataNode.value) ? dataNode.value[0] = thisValue : dataNode.value = thisValue;\n}\n/**\n * set default to level configuration\n */\n\n\nfunction setDefault(levels, ecModel) {\n  var globalColorList = normalizeToArray(ecModel.get('color'));\n  var globalDecalList = normalizeToArray(ecModel.get(['aria', 'decal', 'decals']));\n\n  if (!globalColorList) {\n    return;\n  }\n\n  levels = levels || [];\n  var hasColorDefine;\n  var hasDecalDefine;\n  zrUtil.each(levels, function (levelDefine) {\n    var model = new Model(levelDefine);\n    var modelColor = model.get('color');\n    var modelDecal = model.get('decal');\n\n    if (model.get(['itemStyle', 'color']) || modelColor && modelColor !== 'none') {\n      hasColorDefine = true;\n    }\n\n    if (model.get(['itemStyle', 'decal']) || modelDecal && modelDecal !== 'none') {\n      hasDecalDefine = true;\n    }\n  });\n  var level0 = levels[0] || (levels[0] = {});\n\n  if (!hasColorDefine) {\n    level0.color = globalColorList.slice();\n  }\n\n  if (!hasDecalDefine && globalDecalList) {\n    level0.decal = globalDecalList.slice();\n  }\n\n  return levels;\n}\n\nexport default TreemapSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as graphic from '../../util/graphic';\nimport { getECData } from '../../util/innerStore';\nimport * as layout from '../../util/layout';\nimport { wrapTreePathInfo } from '../helper/treeHelper';\nimport { curry, defaults } from 'zrender/lib/core/util';\nimport { convertOptionIdName } from '../../util/model';\nimport { Z2_EMPHASIS_LIFT } from '../../util/states';\nvar TEXT_PADDING = 8;\nvar ITEM_GAP = 8;\nvar ARRAY_LENGTH = 5;\n\nvar Breadcrumb =\n/** @class */\nfunction () {\n  function Breadcrumb(containerGroup) {\n    this.group = new graphic.Group();\n    containerGroup.add(this.group);\n  }\n\n  Breadcrumb.prototype.render = function (seriesModel, api, targetNode, onSelect) {\n    var model = seriesModel.getModel('breadcrumb');\n    var thisGroup = this.group;\n    thisGroup.removeAll();\n\n    if (!model.get('show') || !targetNode) {\n      return;\n    }\n\n    var normalStyleModel = model.getModel('itemStyle'); // let emphasisStyleModel = model.getModel('emphasis.itemStyle');\n\n    var textStyleModel = normalStyleModel.getModel('textStyle');\n    var layoutParam = {\n      pos: {\n        left: model.get('left'),\n        right: model.get('right'),\n        top: model.get('top'),\n        bottom: model.get('bottom')\n      },\n      box: {\n        width: api.getWidth(),\n        height: api.getHeight()\n      },\n      emptyItemWidth: model.get('emptyItemWidth'),\n      totalWidth: 0,\n      renderList: []\n    };\n\n    this._prepare(targetNode, layoutParam, textStyleModel);\n\n    this._renderContent(seriesModel, layoutParam, normalStyleModel, textStyleModel, onSelect);\n\n    layout.positionElement(thisGroup, layoutParam.pos, layoutParam.box);\n  };\n  /**\n   * Prepare render list and total width\n   * @private\n   */\n\n\n  Breadcrumb.prototype._prepare = function (targetNode, layoutParam, textStyleModel) {\n    for (var node = targetNode; node; node = node.parentNode) {\n      var text = convertOptionIdName(node.getModel().get('name'), '');\n      var textRect = textStyleModel.getTextRect(text);\n      var itemWidth = Math.max(textRect.width + TEXT_PADDING * 2, layoutParam.emptyItemWidth);\n      layoutParam.totalWidth += itemWidth + ITEM_GAP;\n      layoutParam.renderList.push({\n        node: node,\n        text: text,\n        width: itemWidth\n      });\n    }\n  };\n  /**\n   * @private\n   */\n\n\n  Breadcrumb.prototype._renderContent = function (seriesModel, layoutParam, normalStyleModel, textStyleModel, onSelect) {\n    // Start rendering.\n    var lastX = 0;\n    var emptyItemWidth = layoutParam.emptyItemWidth;\n    var height = seriesModel.get(['breadcrumb', 'height']);\n    var availableSize = layout.getAvailableSize(layoutParam.pos, layoutParam.box);\n    var totalWidth = layoutParam.totalWidth;\n    var renderList = layoutParam.renderList;\n\n    for (var i = renderList.length - 1; i >= 0; i--) {\n      var item = renderList[i];\n      var itemNode = item.node;\n      var itemWidth = item.width;\n      var text = item.text; // Hdie text and shorten width if necessary.\n\n      if (totalWidth > availableSize.width) {\n        totalWidth -= itemWidth - emptyItemWidth;\n        itemWidth = emptyItemWidth;\n        text = null;\n      }\n\n      var el = new graphic.Polygon({\n        shape: {\n          points: makeItemPoints(lastX, 0, itemWidth, height, i === renderList.length - 1, i === 0)\n        },\n        style: defaults(normalStyleModel.getItemStyle(), {\n          lineJoin: 'bevel'\n        }),\n        textContent: new graphic.Text({\n          style: {\n            text: text,\n            fill: textStyleModel.getTextColor(),\n            font: textStyleModel.getFont()\n          }\n        }),\n        textConfig: {\n          position: 'inside'\n        },\n        z2: Z2_EMPHASIS_LIFT * 1e4,\n        onclick: curry(onSelect, itemNode)\n      });\n      el.disableLabelAnimation = true;\n      this.group.add(el);\n      packEventData(el, seriesModel, itemNode);\n      lastX += itemWidth + ITEM_GAP;\n    }\n  };\n\n  Breadcrumb.prototype.remove = function () {\n    this.group.removeAll();\n  };\n\n  return Breadcrumb;\n}();\n\nfunction makeItemPoints(x, y, itemWidth, itemHeight, head, tail) {\n  var points = [[head ? x : x - ARRAY_LENGTH, y], [x + itemWidth, y], [x + itemWidth, y + itemHeight], [head ? x : x - ARRAY_LENGTH, y + itemHeight]];\n  !tail && points.splice(2, 0, [x + itemWidth + ARRAY_LENGTH, y + itemHeight / 2]);\n  !head && points.push([x, y + itemHeight / 2]);\n  return points;\n} // Package custom mouse event.\n\n\nfunction packEventData(el, seriesModel, itemNode) {\n  getECData(el).eventData = {\n    componentType: 'series',\n    componentSubType: 'treemap',\n    componentIndex: seriesModel.componentIndex,\n    seriesIndex: seriesModel.componentIndex,\n    seriesName: seriesModel.name,\n    seriesType: 'treemap',\n    selfType: 'breadcrumb',\n    nodeData: {\n      dataIndex: itemNode && itemNode.dataIndex,\n      name: itemNode && itemNode.name\n    },\n    treePathInfo: itemNode && wrapTreePathInfo(itemNode, seriesModel)\n  };\n}\n\nexport default Breadcrumb;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Animate multiple elements with a single done-callback.\n *\n * @example\n *  animation\n *      .createWrap()\n *      .add(el1, {x: 10, y: 10})\n *      .add(el2, {shape: {width: 500}, style: {fill: 'red'}}, 400)\n *      .done(function () { // done })\n *      .start('cubicOut');\n */\nvar AnimationWrap =\n/** @class */\nfunction () {\n  function AnimationWrap() {\n    this._storage = [];\n    this._elExistsMap = {};\n  }\n  /**\n   * Caution: a el can only be added once, otherwise 'done'\n   * might not be called. This method checks this (by el.id),\n   * suppresses adding and returns false when existing el found.\n   *\n   * @return Whether adding succeeded.\n   */\n\n\n  AnimationWrap.prototype.add = function (el, target, duration, delay, easing) {\n    if (this._elExistsMap[el.id]) {\n      return false;\n    }\n\n    this._elExistsMap[el.id] = true;\n\n    this._storage.push({\n      el: el,\n      target: target,\n      duration: duration,\n      delay: delay,\n      easing: easing\n    });\n\n    return true;\n  };\n  /**\n   * Only execute when animation done/aborted.\n   */\n\n\n  AnimationWrap.prototype.finished = function (callback) {\n    this._finishedCallback = callback;\n    return this;\n  };\n  /**\n   * Will stop exist animation firstly.\n   */\n\n\n  AnimationWrap.prototype.start = function () {\n    var _this = this;\n\n    var count = this._storage.length;\n\n    var checkTerminate = function () {\n      count--;\n\n      if (count <= 0) {\n        // Guard.\n        _this._storage.length = 0;\n        _this._elExistsMap = {};\n        _this._finishedCallback && _this._finishedCallback();\n      }\n    };\n\n    for (var i = 0, len = this._storage.length; i < len; i++) {\n      var item = this._storage[i];\n      item.el.animateTo(item.target, {\n        duration: item.duration,\n        delay: item.delay,\n        easing: item.easing,\n        setToFinal: true,\n        done: checkTerminate,\n        aborted: checkTerminate\n      });\n    }\n\n    return this;\n  };\n\n  return AnimationWrap;\n}();\n\nexport function createWrap() {\n  return new AnimationWrap();\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport { bind, each, indexOf, curry, extend, normalizeCssArray, isFunction } from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport { getECData } from '../../util/innerStore';\nimport { isHighDownDispatcher, setAsHighDownDispatcher, setDefaultStateProxy, enableHoverFocus, Z2_EMPHASIS_LIFT } from '../../util/states';\nimport DataDiffer from '../../data/DataDiffer';\nimport * as helper from '../helper/treeHelper';\nimport Breadcrumb from './Breadcrumb';\nimport RoamController from '../../component/helper/RoamController';\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport * as matrix from 'zrender/lib/core/matrix';\nimport * as animationUtil from '../../util/animation';\nimport makeStyleMapper from '../../model/mixin/makeStyleMapper';\nimport ChartView from '../../view/Chart';\nimport Displayable from 'zrender/lib/graphic/Displayable';\nimport { makeInner, convertOptionIdName } from '../../util/model';\nimport { windowOpen } from '../../util/format';\nimport { setLabelStyle, getLabelStatesModels } from '../../label/labelStyle';\nvar Group = graphic.Group;\nvar Rect = graphic.Rect;\nvar DRAG_THRESHOLD = 3;\nvar PATH_LABEL_NOAMAL = 'label';\nvar PATH_UPPERLABEL_NORMAL = 'upperLabel'; // Should larger than emphasis states lift z\n\nvar Z2_BASE = Z2_EMPHASIS_LIFT * 10; // Should bigger than every z2.\n\nvar Z2_BG = Z2_EMPHASIS_LIFT * 2;\nvar Z2_CONTENT = Z2_EMPHASIS_LIFT * 3;\nvar getStateItemStyle = makeStyleMapper([['fill', 'color'], // `borderColor` and `borderWidth` has been occupied,\n// so use `stroke` to indicate the stroke of the rect.\n['stroke', 'strokeColor'], ['lineWidth', 'strokeWidth'], ['shadowBlur'], ['shadowOffsetX'], ['shadowOffsetY'], ['shadowColor'] // Option decal is in `DecalObject` but style.decal is in `PatternObject`.\n// So do not transfer decal directly.\n]);\n\nvar getItemStyleNormal = function (model) {\n  // Normal style props should include emphasis style props.\n  var itemStyle = getStateItemStyle(model); // Clear styles set by emphasis.\n\n  itemStyle.stroke = itemStyle.fill = itemStyle.lineWidth = null;\n  return itemStyle;\n};\n\nvar inner = makeInner();\n\nvar TreemapView =\n/** @class */\nfunction (_super) {\n  __extends(TreemapView, _super);\n\n  function TreemapView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = TreemapView.type;\n    _this._state = 'ready';\n    _this._storage = createStorage();\n    return _this;\n  }\n  /**\n   * @override\n   */\n\n\n  TreemapView.prototype.render = function (seriesModel, ecModel, api, payload) {\n    var models = ecModel.findComponents({\n      mainType: 'series',\n      subType: 'treemap',\n      query: payload\n    });\n\n    if (indexOf(models, seriesModel) < 0) {\n      return;\n    }\n\n    this.seriesModel = seriesModel;\n    this.api = api;\n    this.ecModel = ecModel;\n    var types = ['treemapZoomToNode', 'treemapRootToNode'];\n    var targetInfo = helper.retrieveTargetInfo(payload, types, seriesModel);\n    var payloadType = payload && payload.type;\n    var layoutInfo = seriesModel.layoutInfo;\n    var isInit = !this._oldTree;\n    var thisStorage = this._storage; // Mark new root when action is treemapRootToNode.\n\n    var reRoot = payloadType === 'treemapRootToNode' && targetInfo && thisStorage ? {\n      rootNodeGroup: thisStorage.nodeGroup[targetInfo.node.getRawIndex()],\n      direction: payload.direction\n    } : null;\n\n    var containerGroup = this._giveContainerGroup(layoutInfo);\n\n    var renderResult = this._doRender(containerGroup, seriesModel, reRoot);\n\n    !isInit && (!payloadType || payloadType === 'treemapZoomToNode' || payloadType === 'treemapRootToNode') ? this._doAnimation(containerGroup, renderResult, seriesModel, reRoot) : renderResult.renderFinally();\n\n    this._resetController(api);\n\n    this._renderBreadcrumb(seriesModel, api, targetInfo);\n  };\n\n  TreemapView.prototype._giveContainerGroup = function (layoutInfo) {\n    var containerGroup = this._containerGroup;\n\n    if (!containerGroup) {\n      // FIXME\n      // 加一层containerGroup是为了clip，但是现在clip功能并没有实现。\n      containerGroup = this._containerGroup = new Group();\n\n      this._initEvents(containerGroup);\n\n      this.group.add(containerGroup);\n    }\n\n    containerGroup.x = layoutInfo.x;\n    containerGroup.y = layoutInfo.y;\n    return containerGroup;\n  };\n\n  TreemapView.prototype._doRender = function (containerGroup, seriesModel, reRoot) {\n    var thisTree = seriesModel.getData().tree;\n    var oldTree = this._oldTree; // Clear last shape records.\n\n    var lastsForAnimation = createStorage();\n    var thisStorage = createStorage();\n    var oldStorage = this._storage;\n    var willInvisibleEls = [];\n\n    function doRenderNode(thisNode, oldNode, parentGroup, depth) {\n      return renderNode(seriesModel, thisStorage, oldStorage, reRoot, lastsForAnimation, willInvisibleEls, thisNode, oldNode, parentGroup, depth);\n    } // Notice: when thisTree and oldTree are the same tree (see list.cloneShallow),\n    // the oldTree is actually losted, so we can not find all of the old graphic\n    // elements from tree. So we use this stragegy: make element storage, move\n    // from old storage to new storage, clear old storage.\n\n\n    dualTravel(thisTree.root ? [thisTree.root] : [], oldTree && oldTree.root ? [oldTree.root] : [], containerGroup, thisTree === oldTree || !oldTree, 0); // Process all removing.\n\n    var willDeleteEls = clearStorage(oldStorage);\n    this._oldTree = thisTree;\n    this._storage = thisStorage;\n    return {\n      lastsForAnimation: lastsForAnimation,\n      willDeleteEls: willDeleteEls,\n      renderFinally: renderFinally\n    };\n\n    function dualTravel(thisViewChildren, oldViewChildren, parentGroup, sameTree, depth) {\n      // When 'render' is triggered by action,\n      // 'this' and 'old' may be the same tree,\n      // we use rawIndex in that case.\n      if (sameTree) {\n        oldViewChildren = thisViewChildren;\n        each(thisViewChildren, function (child, index) {\n          !child.isRemoved() && processNode(index, index);\n        });\n      } // Diff hierarchically (diff only in each subtree, but not whole).\n      // because, consistency of view is important.\n      else {\n          new DataDiffer(oldViewChildren, thisViewChildren, getKey, getKey).add(processNode).update(processNode).remove(curry(processNode, null)).execute();\n        }\n\n      function getKey(node) {\n        // Identify by name or raw index.\n        return node.getId();\n      }\n\n      function processNode(newIndex, oldIndex) {\n        var thisNode = newIndex != null ? thisViewChildren[newIndex] : null;\n        var oldNode = oldIndex != null ? oldViewChildren[oldIndex] : null;\n        var group = doRenderNode(thisNode, oldNode, parentGroup, depth);\n        group && dualTravel(thisNode && thisNode.viewChildren || [], oldNode && oldNode.viewChildren || [], group, sameTree, depth + 1);\n      }\n    }\n\n    function clearStorage(storage) {\n      var willDeleteEls = createStorage();\n      storage && each(storage, function (store, storageName) {\n        var delEls = willDeleteEls[storageName];\n        each(store, function (el) {\n          el && (delEls.push(el), inner(el).willDelete = true);\n        });\n      });\n      return willDeleteEls;\n    }\n\n    function renderFinally() {\n      each(willDeleteEls, function (els) {\n        each(els, function (el) {\n          el.parent && el.parent.remove(el);\n        });\n      });\n      each(willInvisibleEls, function (el) {\n        el.invisible = true; // Setting invisible is for optimizing, so no need to set dirty,\n        // just mark as invisible.\n\n        el.dirty();\n      });\n    }\n  };\n\n  TreemapView.prototype._doAnimation = function (containerGroup, renderResult, seriesModel, reRoot) {\n    if (!seriesModel.get('animation')) {\n      return;\n    }\n\n    var durationOption = seriesModel.get('animationDurationUpdate');\n    var easingOption = seriesModel.get('animationEasing'); // TODO: do not support function until necessary.\n\n    var duration = (isFunction(durationOption) ? 0 : durationOption) || 0;\n    var easing = (isFunction(easingOption) ? null : easingOption) || 'cubicOut';\n    var animationWrap = animationUtil.createWrap(); // Make delete animations.\n\n    each(renderResult.willDeleteEls, function (store, storageName) {\n      each(store, function (el, rawIndex) {\n        if (el.invisible) {\n          return;\n        }\n\n        var parent = el.parent; // Always has parent, and parent is nodeGroup.\n\n        var target;\n        var innerStore = inner(parent);\n\n        if (reRoot && reRoot.direction === 'drillDown') {\n          target = parent === reRoot.rootNodeGroup // This is the content element of view root.\n          // Only `content` will enter this branch, because\n          // `background` and `nodeGroup` will not be deleted.\n          ? {\n            shape: {\n              x: 0,\n              y: 0,\n              width: innerStore.nodeWidth,\n              height: innerStore.nodeHeight\n            },\n            style: {\n              opacity: 0\n            }\n          } // Others.\n          : {\n            style: {\n              opacity: 0\n            }\n          };\n        } else {\n          var targetX = 0;\n          var targetY = 0;\n\n          if (!innerStore.willDelete) {\n            // Let node animate to right-bottom corner, cooperating with fadeout,\n            // which is appropriate for user understanding.\n            // Divided by 2 for reRoot rolling up effect.\n            targetX = innerStore.nodeWidth / 2;\n            targetY = innerStore.nodeHeight / 2;\n          }\n\n          target = storageName === 'nodeGroup' ? {\n            x: targetX,\n            y: targetY,\n            style: {\n              opacity: 0\n            }\n          } : {\n            shape: {\n              x: targetX,\n              y: targetY,\n              width: 0,\n              height: 0\n            },\n            style: {\n              opacity: 0\n            }\n          };\n        } // TODO: do not support delay until necessary.\n\n\n        target && animationWrap.add(el, target, duration, 0, easing);\n      });\n    }); // Make other animations\n\n    each(this._storage, function (store, storageName) {\n      each(store, function (el, rawIndex) {\n        var last = renderResult.lastsForAnimation[storageName][rawIndex];\n        var target = {};\n\n        if (!last) {\n          return;\n        }\n\n        if (el instanceof graphic.Group) {\n          if (last.oldX != null) {\n            target.x = el.x;\n            target.y = el.y;\n            el.x = last.oldX;\n            el.y = last.oldY;\n          }\n        } else {\n          if (last.oldShape) {\n            target.shape = extend({}, el.shape);\n            el.setShape(last.oldShape);\n          }\n\n          if (last.fadein) {\n            el.setStyle('opacity', 0);\n            target.style = {\n              opacity: 1\n            };\n          } // When animation is stopped for succedent animation starting,\n          // el.style.opacity might not be 1\n          else if (el.style.opacity !== 1) {\n              target.style = {\n                opacity: 1\n              };\n            }\n        }\n\n        animationWrap.add(el, target, duration, 0, easing);\n      });\n    }, this);\n    this._state = 'animating';\n    animationWrap.finished(bind(function () {\n      this._state = 'ready';\n      renderResult.renderFinally();\n    }, this)).start();\n  };\n\n  TreemapView.prototype._resetController = function (api) {\n    var controller = this._controller; // Init controller.\n\n    if (!controller) {\n      controller = this._controller = new RoamController(api.getZr());\n      controller.enable(this.seriesModel.get('roam'));\n      controller.on('pan', bind(this._onPan, this));\n      controller.on('zoom', bind(this._onZoom, this));\n    }\n\n    var rect = new BoundingRect(0, 0, api.getWidth(), api.getHeight());\n    controller.setPointerChecker(function (e, x, y) {\n      return rect.contain(x, y);\n    });\n  };\n\n  TreemapView.prototype._clearController = function () {\n    var controller = this._controller;\n\n    if (controller) {\n      controller.dispose();\n      controller = null;\n    }\n  };\n\n  TreemapView.prototype._onPan = function (e) {\n    if (this._state !== 'animating' && (Math.abs(e.dx) > DRAG_THRESHOLD || Math.abs(e.dy) > DRAG_THRESHOLD)) {\n      // These param must not be cached.\n      var root = this.seriesModel.getData().tree.root;\n\n      if (!root) {\n        return;\n      }\n\n      var rootLayout = root.getLayout();\n\n      if (!rootLayout) {\n        return;\n      }\n\n      this.api.dispatchAction({\n        type: 'treemapMove',\n        from: this.uid,\n        seriesId: this.seriesModel.id,\n        rootRect: {\n          x: rootLayout.x + e.dx,\n          y: rootLayout.y + e.dy,\n          width: rootLayout.width,\n          height: rootLayout.height\n        }\n      });\n    }\n  };\n\n  TreemapView.prototype._onZoom = function (e) {\n    var mouseX = e.originX;\n    var mouseY = e.originY;\n\n    if (this._state !== 'animating') {\n      // These param must not be cached.\n      var root = this.seriesModel.getData().tree.root;\n\n      if (!root) {\n        return;\n      }\n\n      var rootLayout = root.getLayout();\n\n      if (!rootLayout) {\n        return;\n      }\n\n      var rect = new BoundingRect(rootLayout.x, rootLayout.y, rootLayout.width, rootLayout.height);\n      var layoutInfo = this.seriesModel.layoutInfo; // Transform mouse coord from global to containerGroup.\n\n      mouseX -= layoutInfo.x;\n      mouseY -= layoutInfo.y; // Scale root bounding rect.\n\n      var m = matrix.create();\n      matrix.translate(m, m, [-mouseX, -mouseY]);\n      matrix.scale(m, m, [e.scale, e.scale]);\n      matrix.translate(m, m, [mouseX, mouseY]);\n      rect.applyTransform(m);\n      this.api.dispatchAction({\n        type: 'treemapRender',\n        from: this.uid,\n        seriesId: this.seriesModel.id,\n        rootRect: {\n          x: rect.x,\n          y: rect.y,\n          width: rect.width,\n          height: rect.height\n        }\n      });\n    }\n  };\n\n  TreemapView.prototype._initEvents = function (containerGroup) {\n    var _this = this;\n\n    containerGroup.on('click', function (e) {\n      if (_this._state !== 'ready') {\n        return;\n      }\n\n      var nodeClick = _this.seriesModel.get('nodeClick', true);\n\n      if (!nodeClick) {\n        return;\n      }\n\n      var targetInfo = _this.findTarget(e.offsetX, e.offsetY);\n\n      if (!targetInfo) {\n        return;\n      }\n\n      var node = targetInfo.node;\n\n      if (node.getLayout().isLeafRoot) {\n        _this._rootToNode(targetInfo);\n      } else {\n        if (nodeClick === 'zoomToNode') {\n          _this._zoomToNode(targetInfo);\n        } else if (nodeClick === 'link') {\n          var itemModel = node.hostTree.data.getItemModel(node.dataIndex);\n          var link = itemModel.get('link', true);\n          var linkTarget = itemModel.get('target', true) || 'blank';\n          link && windowOpen(link, linkTarget);\n        }\n      }\n    }, this);\n  };\n\n  TreemapView.prototype._renderBreadcrumb = function (seriesModel, api, targetInfo) {\n    var _this = this;\n\n    if (!targetInfo) {\n      targetInfo = seriesModel.get('leafDepth', true) != null ? {\n        node: seriesModel.getViewRoot()\n      } // FIXME\n      // better way?\n      // Find breadcrumb tail on center of containerGroup.\n      : this.findTarget(api.getWidth() / 2, api.getHeight() / 2);\n\n      if (!targetInfo) {\n        targetInfo = {\n          node: seriesModel.getData().tree.root\n        };\n      }\n    }\n\n    (this._breadcrumb || (this._breadcrumb = new Breadcrumb(this.group))).render(seriesModel, api, targetInfo.node, function (node) {\n      if (_this._state !== 'animating') {\n        helper.aboveViewRoot(seriesModel.getViewRoot(), node) ? _this._rootToNode({\n          node: node\n        }) : _this._zoomToNode({\n          node: node\n        });\n      }\n    });\n  };\n  /**\n   * @override\n   */\n\n\n  TreemapView.prototype.remove = function () {\n    this._clearController();\n\n    this._containerGroup && this._containerGroup.removeAll();\n    this._storage = createStorage();\n    this._state = 'ready';\n    this._breadcrumb && this._breadcrumb.remove();\n  };\n\n  TreemapView.prototype.dispose = function () {\n    this._clearController();\n  };\n\n  TreemapView.prototype._zoomToNode = function (targetInfo) {\n    this.api.dispatchAction({\n      type: 'treemapZoomToNode',\n      from: this.uid,\n      seriesId: this.seriesModel.id,\n      targetNode: targetInfo.node\n    });\n  };\n\n  TreemapView.prototype._rootToNode = function (targetInfo) {\n    this.api.dispatchAction({\n      type: 'treemapRootToNode',\n      from: this.uid,\n      seriesId: this.seriesModel.id,\n      targetNode: targetInfo.node\n    });\n  };\n  /**\n   * @public\n   * @param {number} x Global coord x.\n   * @param {number} y Global coord y.\n   * @return {Object} info If not found, return undefined;\n   * @return {number} info.node Target node.\n   * @return {number} info.offsetX x refer to target node.\n   * @return {number} info.offsetY y refer to target node.\n   */\n\n\n  TreemapView.prototype.findTarget = function (x, y) {\n    var targetInfo;\n    var viewRoot = this.seriesModel.getViewRoot();\n    viewRoot.eachNode({\n      attr: 'viewChildren',\n      order: 'preorder'\n    }, function (node) {\n      var bgEl = this._storage.background[node.getRawIndex()]; // If invisible, there might be no element.\n\n\n      if (bgEl) {\n        var point = bgEl.transformCoordToLocal(x, y);\n        var shape = bgEl.shape; // For performance consideration, dont use 'getBoundingRect'.\n\n        if (shape.x <= point[0] && point[0] <= shape.x + shape.width && shape.y <= point[1] && point[1] <= shape.y + shape.height) {\n          targetInfo = {\n            node: node,\n            offsetX: point[0],\n            offsetY: point[1]\n          };\n        } else {\n          return false; // Suppress visit subtree.\n        }\n      }\n    }, this);\n    return targetInfo;\n  };\n\n  TreemapView.type = 'treemap';\n  return TreemapView;\n}(ChartView);\n/**\n * @inner\n */\n\n\nfunction createStorage() {\n  return {\n    nodeGroup: [],\n    background: [],\n    content: []\n  };\n}\n/**\n * @inner\n * @return Return undefined means do not travel further.\n */\n\n\nfunction renderNode(seriesModel, thisStorage, oldStorage, reRoot, lastsForAnimation, willInvisibleEls, thisNode, oldNode, parentGroup, depth) {\n  // Whether under viewRoot.\n  if (!thisNode) {\n    // Deleting nodes will be performed finally. This method just find\n    // element from old storage, or create new element, set them to new\n    // storage, and set styles.\n    return;\n  } // -------------------------------------------------------------------\n  // Start of closure variables available in \"Procedures in renderNode\".\n\n\n  var thisLayout = thisNode.getLayout();\n  var data = seriesModel.getData();\n  var nodeModel = thisNode.getModel(); // Only for enabling highlight/downplay. Clear firstly.\n  // Because some node will not be rendered.\n\n  data.setItemGraphicEl(thisNode.dataIndex, null);\n\n  if (!thisLayout || !thisLayout.isInView) {\n    return;\n  }\n\n  var thisWidth = thisLayout.width;\n  var thisHeight = thisLayout.height;\n  var borderWidth = thisLayout.borderWidth;\n  var thisInvisible = thisLayout.invisible;\n  var thisRawIndex = thisNode.getRawIndex();\n  var oldRawIndex = oldNode && oldNode.getRawIndex();\n  var thisViewChildren = thisNode.viewChildren;\n  var upperHeight = thisLayout.upperHeight;\n  var isParent = thisViewChildren && thisViewChildren.length;\n  var itemStyleNormalModel = nodeModel.getModel('itemStyle');\n  var itemStyleEmphasisModel = nodeModel.getModel(['emphasis', 'itemStyle']);\n  var itemStyleBlurModel = nodeModel.getModel(['blur', 'itemStyle']);\n  var itemStyleSelectModel = nodeModel.getModel(['select', 'itemStyle']);\n  var borderRadius = itemStyleNormalModel.get('borderRadius') || 0; // End of closure ariables available in \"Procedures in renderNode\".\n  // -----------------------------------------------------------------\n  // Node group\n\n  var group = giveGraphic('nodeGroup', Group);\n\n  if (!group) {\n    return;\n  }\n\n  parentGroup.add(group); // x,y are not set when el is above view root.\n\n  group.x = thisLayout.x || 0;\n  group.y = thisLayout.y || 0;\n  group.markRedraw();\n  inner(group).nodeWidth = thisWidth;\n  inner(group).nodeHeight = thisHeight;\n\n  if (thisLayout.isAboveViewRoot) {\n    return group;\n  } // Background\n\n\n  var bg = giveGraphic('background', Rect, depth, Z2_BG);\n  bg && renderBackground(group, bg, isParent && thisLayout.upperLabelHeight);\n  var focus = nodeModel.get(['emphasis', 'focus']);\n  var blurScope = nodeModel.get(['emphasis', 'blurScope']);\n  var focusOrIndices = focus === 'ancestor' ? thisNode.getAncestorsIndices() : focus === 'descendant' ? thisNode.getDescendantIndices() : focus; // No children, render content.\n\n  if (isParent) {\n    // Because of the implementation about \"traverse\" in graphic hover style, we\n    // can not set hover listener on the \"group\" of non-leaf node. Otherwise the\n    // hover event from the descendents will be listenered.\n    if (isHighDownDispatcher(group)) {\n      setAsHighDownDispatcher(group, false);\n    }\n\n    if (bg) {\n      setAsHighDownDispatcher(bg, true); // Only for enabling highlight/downplay.\n\n      data.setItemGraphicEl(thisNode.dataIndex, bg);\n      enableHoverFocus(bg, focusOrIndices, blurScope);\n    }\n  } else {\n    var content = giveGraphic('content', Rect, depth, Z2_CONTENT);\n    content && renderContent(group, content);\n\n    if (bg && isHighDownDispatcher(bg)) {\n      setAsHighDownDispatcher(bg, false);\n    }\n\n    setAsHighDownDispatcher(group, true); // Only for enabling highlight/downplay.\n\n    data.setItemGraphicEl(thisNode.dataIndex, group);\n    enableHoverFocus(group, focusOrIndices, blurScope);\n  }\n\n  return group; // ----------------------------\n  // | Procedures in renderNode |\n  // ----------------------------\n\n  function renderBackground(group, bg, useUpperLabel) {\n    var ecData = getECData(bg); // For tooltip.\n\n    ecData.dataIndex = thisNode.dataIndex;\n    ecData.seriesIndex = seriesModel.seriesIndex;\n    bg.setShape({\n      x: 0,\n      y: 0,\n      width: thisWidth,\n      height: thisHeight,\n      r: borderRadius\n    });\n\n    if (thisInvisible) {\n      // If invisible, do not set visual, otherwise the element will\n      // change immediately before animation. We think it is OK to\n      // remain its origin color when moving out of the view window.\n      processInvisible(bg);\n    } else {\n      bg.invisible = false;\n      var style = thisNode.getVisual('style');\n      var visualBorderColor = style.stroke;\n      var normalStyle = getItemStyleNormal(itemStyleNormalModel);\n      normalStyle.fill = visualBorderColor;\n      var emphasisStyle = getStateItemStyle(itemStyleEmphasisModel);\n      emphasisStyle.fill = itemStyleEmphasisModel.get('borderColor');\n      var blurStyle = getStateItemStyle(itemStyleBlurModel);\n      blurStyle.fill = itemStyleBlurModel.get('borderColor');\n      var selectStyle = getStateItemStyle(itemStyleSelectModel);\n      selectStyle.fill = itemStyleSelectModel.get('borderColor');\n\n      if (useUpperLabel) {\n        var upperLabelWidth = thisWidth - 2 * borderWidth;\n        prepareText( // PENDING: convert ZRColor to ColorString for text.\n        bg, visualBorderColor, style.opacity, {\n          x: borderWidth,\n          y: 0,\n          width: upperLabelWidth,\n          height: upperHeight\n        });\n      } // For old bg.\n      else {\n          bg.removeTextContent();\n        }\n\n      bg.setStyle(normalStyle);\n      bg.ensureState('emphasis').style = emphasisStyle;\n      bg.ensureState('blur').style = blurStyle;\n      bg.ensureState('select').style = selectStyle;\n      setDefaultStateProxy(bg);\n    }\n\n    group.add(bg);\n  }\n\n  function renderContent(group, content) {\n    var ecData = getECData(content); // For tooltip.\n\n    ecData.dataIndex = thisNode.dataIndex;\n    ecData.seriesIndex = seriesModel.seriesIndex;\n    var contentWidth = Math.max(thisWidth - 2 * borderWidth, 0);\n    var contentHeight = Math.max(thisHeight - 2 * borderWidth, 0);\n    content.culling = true;\n    content.setShape({\n      x: borderWidth,\n      y: borderWidth,\n      width: contentWidth,\n      height: contentHeight,\n      r: borderRadius\n    });\n\n    if (thisInvisible) {\n      // If invisible, do not set visual, otherwise the element will\n      // change immediately before animation. We think it is OK to\n      // remain its origin color when moving out of the view window.\n      processInvisible(content);\n    } else {\n      content.invisible = false;\n      var nodeStyle = thisNode.getVisual('style');\n      var visualColor = nodeStyle.fill;\n      var normalStyle = getItemStyleNormal(itemStyleNormalModel);\n      normalStyle.fill = visualColor;\n      normalStyle.decal = nodeStyle.decal;\n      var emphasisStyle = getStateItemStyle(itemStyleEmphasisModel);\n      var blurStyle = getStateItemStyle(itemStyleBlurModel);\n      var selectStyle = getStateItemStyle(itemStyleSelectModel); // PENDING: convert ZRColor to ColorString for text.\n\n      prepareText(content, visualColor, nodeStyle.opacity, null);\n      content.setStyle(normalStyle);\n      content.ensureState('emphasis').style = emphasisStyle;\n      content.ensureState('blur').style = blurStyle;\n      content.ensureState('select').style = selectStyle;\n      setDefaultStateProxy(content);\n    }\n\n    group.add(content);\n  }\n\n  function processInvisible(element) {\n    // Delay invisible setting utill animation finished,\n    // avoid element vanish suddenly before animation.\n    !element.invisible && willInvisibleEls.push(element);\n  }\n\n  function prepareText(rectEl, visualColor, visualOpacity, // Can be null/undefined\n  upperLabelRect) {\n    var normalLabelModel = nodeModel.getModel(upperLabelRect ? PATH_UPPERLABEL_NORMAL : PATH_LABEL_NOAMAL);\n    var defaultText = convertOptionIdName(nodeModel.get('name'), null);\n    var isShow = normalLabelModel.getShallow('show');\n    setLabelStyle(rectEl, getLabelStatesModels(nodeModel, upperLabelRect ? PATH_UPPERLABEL_NORMAL : PATH_LABEL_NOAMAL), {\n      defaultText: isShow ? defaultText : null,\n      inheritColor: visualColor,\n      defaultOpacity: visualOpacity,\n      labelFetcher: seriesModel,\n      labelDataIndex: thisNode.dataIndex\n    });\n    var textEl = rectEl.getTextContent();\n    var textStyle = textEl.style;\n    var textPadding = normalizeCssArray(textStyle.padding || 0);\n\n    if (upperLabelRect) {\n      rectEl.setTextConfig({\n        layoutRect: upperLabelRect\n      });\n      textEl.disableLabelLayout = true;\n    }\n\n    textEl.beforeUpdate = function () {\n      var width = Math.max((upperLabelRect ? upperLabelRect.width : rectEl.shape.width) - textPadding[1] - textPadding[3], 0);\n      var height = Math.max((upperLabelRect ? upperLabelRect.height : rectEl.shape.height) - textPadding[0] - textPadding[2], 0);\n\n      if (textStyle.width !== width || textStyle.height !== height) {\n        textEl.setStyle({\n          width: width,\n          height: height\n        });\n      }\n    };\n\n    textStyle.truncateMinChar = 2;\n    textStyle.lineOverflow = 'truncate';\n    addDrillDownIcon(textStyle, upperLabelRect, thisLayout);\n    var textEmphasisState = textEl.getState('emphasis');\n    addDrillDownIcon(textEmphasisState ? textEmphasisState.style : null, upperLabelRect, thisLayout);\n  }\n\n  function addDrillDownIcon(style, upperLabelRect, thisLayout) {\n    var text = style ? style.text : null;\n\n    if (!upperLabelRect && thisLayout.isLeafRoot && text != null) {\n      var iconChar = seriesModel.get('drillDownIcon', true);\n      style.text = iconChar ? iconChar + ' ' + text : text;\n    }\n  }\n\n  function giveGraphic(storageName, Ctor, depth, z) {\n    var element = oldRawIndex != null && oldStorage[storageName][oldRawIndex];\n    var lasts = lastsForAnimation[storageName];\n\n    if (element) {\n      // Remove from oldStorage\n      oldStorage[storageName][oldRawIndex] = null;\n      prepareAnimationWhenHasOld(lasts, element);\n    } // If invisible and no old element, do not create new element (for optimizing).\n    else if (!thisInvisible) {\n        element = new Ctor();\n\n        if (element instanceof Displayable) {\n          element.z2 = calculateZ2(depth, z);\n        }\n\n        prepareAnimationWhenNoOld(lasts, element);\n      } // Set to thisStorage\n\n\n    return thisStorage[storageName][thisRawIndex] = element;\n  }\n\n  function prepareAnimationWhenHasOld(lasts, element) {\n    var lastCfg = lasts[thisRawIndex] = {};\n\n    if (element instanceof Group) {\n      lastCfg.oldX = element.x;\n      lastCfg.oldY = element.y;\n    } else {\n      lastCfg.oldShape = extend({}, element.shape);\n    }\n  } // If a element is new, we need to find the animation start point carefully,\n  // otherwise it will looks strange when 'zoomToNode'.\n\n\n  function prepareAnimationWhenNoOld(lasts, element) {\n    var lastCfg = lasts[thisRawIndex] = {};\n    var parentNode = thisNode.parentNode;\n    var isGroup = element instanceof graphic.Group;\n\n    if (parentNode && (!reRoot || reRoot.direction === 'drillDown')) {\n      var parentOldX = 0;\n      var parentOldY = 0; // New nodes appear from right-bottom corner in 'zoomToNode' animation.\n      // For convenience, get old bounding rect from background.\n\n      var parentOldBg = lastsForAnimation.background[parentNode.getRawIndex()];\n\n      if (!reRoot && parentOldBg && parentOldBg.oldShape) {\n        parentOldX = parentOldBg.oldShape.width;\n        parentOldY = parentOldBg.oldShape.height;\n      } // When no parent old shape found, its parent is new too,\n      // so we can just use {x:0, y:0}.\n\n\n      if (isGroup) {\n        lastCfg.oldX = 0;\n        lastCfg.oldY = parentOldY;\n      } else {\n        lastCfg.oldShape = {\n          x: parentOldX,\n          y: parentOldY,\n          width: 0,\n          height: 0\n        };\n      }\n    } // Fade in, user can be aware that these nodes are new.\n\n\n    lastCfg.fadein = !isGroup;\n  }\n} // We can not set all backgroud with the same z, Because the behaviour of\n// drill down and roll up differ background creation sequence from tree\n// hierarchy sequence, which cause that lowser background element overlap\n// upper ones. So we calculate z based on depth.\n// Moreover, we try to shrink down z interval to [0, 1] to avoid that\n// treemap with large z overlaps other components.\n\n\nfunction calculateZ2(depth, z2InLevel) {\n  return depth * Z2_BASE + z2InLevel;\n}\n\nexport default TreemapView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as zrColor from 'zrender/lib/tool/color';\nimport { linearMap } from '../util/number';\nvar each = zrUtil.each;\nvar isObject = zrUtil.isObject;\nvar CATEGORY_DEFAULT_VISUAL_INDEX = -1;\n\nvar VisualMapping =\n/** @class */\nfunction () {\n  function VisualMapping(option) {\n    var mappingMethod = option.mappingMethod;\n    var visualType = option.type;\n    var thisOption = this.option = zrUtil.clone(option);\n    this.type = visualType;\n    this.mappingMethod = mappingMethod;\n    this._normalizeData = normalizers[mappingMethod];\n    var visualHandler = VisualMapping.visualHandlers[visualType];\n    this.applyVisual = visualHandler.applyVisual;\n    this.getColorMapper = visualHandler.getColorMapper;\n    this._normalizedToVisual = visualHandler._normalizedToVisual[mappingMethod];\n\n    if (mappingMethod === 'piecewise') {\n      normalizeVisualRange(thisOption);\n      preprocessForPiecewise(thisOption);\n    } else if (mappingMethod === 'category') {\n      thisOption.categories ? preprocessForSpecifiedCategory(thisOption) // categories is ordinal when thisOption.categories not specified,\n      // which need no more preprocess except normalize visual.\n      : normalizeVisualRange(thisOption, true);\n    } else {\n      // mappingMethod === 'linear' or 'fixed'\n      zrUtil.assert(mappingMethod !== 'linear' || thisOption.dataExtent);\n      normalizeVisualRange(thisOption);\n    }\n  }\n\n  VisualMapping.prototype.mapValueToVisual = function (value) {\n    var normalized = this._normalizeData(value);\n\n    return this._normalizedToVisual(normalized, value);\n  };\n\n  VisualMapping.prototype.getNormalizer = function () {\n    return zrUtil.bind(this._normalizeData, this);\n  };\n  /**\n   * List available visual types.\n   *\n   * @public\n   * @return {Array.<string>}\n   */\n\n\n  VisualMapping.listVisualTypes = function () {\n    return zrUtil.keys(VisualMapping.visualHandlers);\n  }; // /**\n  //  * @public\n  //  */\n  // static addVisualHandler(name, handler) {\n  //     visualHandlers[name] = handler;\n  // }\n\n  /**\n   * @public\n   */\n\n\n  VisualMapping.isValidType = function (visualType) {\n    return VisualMapping.visualHandlers.hasOwnProperty(visualType);\n  };\n  /**\n   * Convinent method.\n   * Visual can be Object or Array or primary type.\n   */\n\n\n  VisualMapping.eachVisual = function (visual, callback, context) {\n    if (zrUtil.isObject(visual)) {\n      zrUtil.each(visual, callback, context);\n    } else {\n      callback.call(context, visual);\n    }\n  };\n\n  VisualMapping.mapVisual = function (visual, callback, context) {\n    var isPrimary;\n    var newVisual = zrUtil.isArray(visual) ? [] : zrUtil.isObject(visual) ? {} : (isPrimary = true, null);\n    VisualMapping.eachVisual(visual, function (v, key) {\n      var newVal = callback.call(context, v, key);\n      isPrimary ? newVisual = newVal : newVisual[key] = newVal;\n    });\n    return newVisual;\n  };\n  /**\n   * Retrieve visual properties from given object.\n   */\n\n\n  VisualMapping.retrieveVisuals = function (obj) {\n    var ret = {};\n    var hasVisual;\n    obj && each(VisualMapping.visualHandlers, function (h, visualType) {\n      if (obj.hasOwnProperty(visualType)) {\n        ret[visualType] = obj[visualType];\n        hasVisual = true;\n      }\n    });\n    return hasVisual ? ret : null;\n  };\n  /**\n   * Give order to visual types, considering colorSaturation, colorAlpha depends on color.\n   *\n   * @public\n   * @param {(Object|Array)} visualTypes If Object, like: {color: ..., colorSaturation: ...}\n   *                                     IF Array, like: ['color', 'symbol', 'colorSaturation']\n   * @return {Array.<string>} Sorted visual types.\n   */\n\n\n  VisualMapping.prepareVisualTypes = function (visualTypes) {\n    if (zrUtil.isArray(visualTypes)) {\n      visualTypes = visualTypes.slice();\n    } else if (isObject(visualTypes)) {\n      var types_1 = [];\n      each(visualTypes, function (item, type) {\n        types_1.push(type);\n      });\n      visualTypes = types_1;\n    } else {\n      return [];\n    }\n\n    visualTypes.sort(function (type1, type2) {\n      // color should be front of colorSaturation, colorAlpha, ...\n      // symbol and symbolSize do not matter.\n      return type2 === 'color' && type1 !== 'color' && type1.indexOf('color') === 0 ? 1 : -1;\n    });\n    return visualTypes;\n  };\n  /**\n   * 'color', 'colorSaturation', 'colorAlpha', ... are depends on 'color'.\n   * Other visuals are only depends on themself.\n   */\n\n\n  VisualMapping.dependsOn = function (visualType1, visualType2) {\n    return visualType2 === 'color' ? !!(visualType1 && visualType1.indexOf(visualType2) === 0) : visualType1 === visualType2;\n  };\n  /**\n   * @param value\n   * @param pieceList [{value: ..., interval: [min, max]}, ...]\n   *                         Always from small to big.\n   * @param findClosestWhenOutside Default to be false\n   * @return index\n   */\n\n\n  VisualMapping.findPieceIndex = function (value, pieceList, findClosestWhenOutside) {\n    var possibleI;\n    var abs = Infinity; // value has the higher priority.\n\n    for (var i = 0, len = pieceList.length; i < len; i++) {\n      var pieceValue = pieceList[i].value;\n\n      if (pieceValue != null) {\n        if (pieceValue === value // FIXME\n        // It is supposed to compare value according to value type of dimension,\n        // but currently value type can exactly be string or number.\n        // Compromise for numeric-like string (like '12'), especially\n        // in the case that visualMap.categories is ['22', '33'].\n        || typeof pieceValue === 'string' && pieceValue === value + '') {\n          return i;\n        }\n\n        findClosestWhenOutside && updatePossible(pieceValue, i);\n      }\n    }\n\n    for (var i = 0, len = pieceList.length; i < len; i++) {\n      var piece = pieceList[i];\n      var interval = piece.interval;\n      var close_1 = piece.close;\n\n      if (interval) {\n        if (interval[0] === -Infinity) {\n          if (littleThan(close_1[1], value, interval[1])) {\n            return i;\n          }\n        } else if (interval[1] === Infinity) {\n          if (littleThan(close_1[0], interval[0], value)) {\n            return i;\n          }\n        } else if (littleThan(close_1[0], interval[0], value) && littleThan(close_1[1], value, interval[1])) {\n          return i;\n        }\n\n        findClosestWhenOutside && updatePossible(interval[0], i);\n        findClosestWhenOutside && updatePossible(interval[1], i);\n      }\n    }\n\n    if (findClosestWhenOutside) {\n      return value === Infinity ? pieceList.length - 1 : value === -Infinity ? 0 : possibleI;\n    }\n\n    function updatePossible(val, index) {\n      var newAbs = Math.abs(val - value);\n\n      if (newAbs < abs) {\n        abs = newAbs;\n        possibleI = index;\n      }\n    }\n  };\n\n  VisualMapping.visualHandlers = {\n    color: {\n      applyVisual: makeApplyVisual('color'),\n      getColorMapper: function () {\n        var thisOption = this.option;\n        return zrUtil.bind(thisOption.mappingMethod === 'category' ? function (value, isNormalized) {\n          !isNormalized && (value = this._normalizeData(value));\n          return doMapCategory.call(this, value);\n        } : function (value, isNormalized, out) {\n          // If output rgb array\n          // which will be much faster and useful in pixel manipulation\n          var returnRGBArray = !!out;\n          !isNormalized && (value = this._normalizeData(value));\n          out = zrColor.fastLerp(value, thisOption.parsedVisual, out);\n          return returnRGBArray ? out : zrColor.stringify(out, 'rgba');\n        }, this);\n      },\n      _normalizedToVisual: {\n        linear: function (normalized) {\n          return zrColor.stringify(zrColor.fastLerp(normalized, this.option.parsedVisual), 'rgba');\n        },\n        category: doMapCategory,\n        piecewise: function (normalized, value) {\n          var result = getSpecifiedVisual.call(this, value);\n\n          if (result == null) {\n            result = zrColor.stringify(zrColor.fastLerp(normalized, this.option.parsedVisual), 'rgba');\n          }\n\n          return result;\n        },\n        fixed: doMapFixed\n      }\n    },\n    colorHue: makePartialColorVisualHandler(function (color, value) {\n      return zrColor.modifyHSL(color, value);\n    }),\n    colorSaturation: makePartialColorVisualHandler(function (color, value) {\n      return zrColor.modifyHSL(color, null, value);\n    }),\n    colorLightness: makePartialColorVisualHandler(function (color, value) {\n      return zrColor.modifyHSL(color, null, null, value);\n    }),\n    colorAlpha: makePartialColorVisualHandler(function (color, value) {\n      return zrColor.modifyAlpha(color, value);\n    }),\n    decal: {\n      applyVisual: makeApplyVisual('decal'),\n      _normalizedToVisual: {\n        linear: null,\n        category: doMapCategory,\n        piecewise: null,\n        fixed: null\n      }\n    },\n    opacity: {\n      applyVisual: makeApplyVisual('opacity'),\n      _normalizedToVisual: createNormalizedToNumericVisual([0, 1])\n    },\n    liftZ: {\n      applyVisual: makeApplyVisual('liftZ'),\n      _normalizedToVisual: {\n        linear: doMapFixed,\n        category: doMapFixed,\n        piecewise: doMapFixed,\n        fixed: doMapFixed\n      }\n    },\n    symbol: {\n      applyVisual: function (value, getter, setter) {\n        var symbolCfg = this.mapValueToVisual(value);\n        setter('symbol', symbolCfg);\n      },\n      _normalizedToVisual: {\n        linear: doMapToArray,\n        category: doMapCategory,\n        piecewise: function (normalized, value) {\n          var result = getSpecifiedVisual.call(this, value);\n\n          if (result == null) {\n            result = doMapToArray.call(this, normalized);\n          }\n\n          return result;\n        },\n        fixed: doMapFixed\n      }\n    },\n    symbolSize: {\n      applyVisual: makeApplyVisual('symbolSize'),\n      _normalizedToVisual: createNormalizedToNumericVisual([0, 1])\n    }\n  };\n  return VisualMapping;\n}();\n\nfunction preprocessForPiecewise(thisOption) {\n  var pieceList = thisOption.pieceList;\n  thisOption.hasSpecialVisual = false;\n  zrUtil.each(pieceList, function (piece, index) {\n    piece.originIndex = index; // piece.visual is \"result visual value\" but not\n    // a visual range, so it does not need to be normalized.\n\n    if (piece.visual != null) {\n      thisOption.hasSpecialVisual = true;\n    }\n  });\n}\n\nfunction preprocessForSpecifiedCategory(thisOption) {\n  // Hash categories.\n  var categories = thisOption.categories;\n  var categoryMap = thisOption.categoryMap = {};\n  var visual = thisOption.visual;\n  each(categories, function (cate, index) {\n    categoryMap[cate] = index;\n  }); // Process visual map input.\n\n  if (!zrUtil.isArray(visual)) {\n    var visualArr_1 = [];\n\n    if (zrUtil.isObject(visual)) {\n      each(visual, function (v, cate) {\n        var index = categoryMap[cate];\n        visualArr_1[index != null ? index : CATEGORY_DEFAULT_VISUAL_INDEX] = v;\n      });\n    } else {\n      // Is primary type, represents default visual.\n      visualArr_1[CATEGORY_DEFAULT_VISUAL_INDEX] = visual;\n    }\n\n    visual = setVisualToOption(thisOption, visualArr_1);\n  } // Remove categories that has no visual,\n  // then we can mapping them to CATEGORY_DEFAULT_VISUAL_INDEX.\n\n\n  for (var i = categories.length - 1; i >= 0; i--) {\n    if (visual[i] == null) {\n      delete categoryMap[categories[i]];\n      categories.pop();\n    }\n  }\n}\n\nfunction normalizeVisualRange(thisOption, isCategory) {\n  var visual = thisOption.visual;\n  var visualArr = [];\n\n  if (zrUtil.isObject(visual)) {\n    each(visual, function (v) {\n      visualArr.push(v);\n    });\n  } else if (visual != null) {\n    visualArr.push(visual);\n  }\n\n  var doNotNeedPair = {\n    color: 1,\n    symbol: 1\n  };\n\n  if (!isCategory && visualArr.length === 1 && !doNotNeedPair.hasOwnProperty(thisOption.type)) {\n    // Do not care visualArr.length === 0, which is illegal.\n    visualArr[1] = visualArr[0];\n  }\n\n  setVisualToOption(thisOption, visualArr);\n}\n\nfunction makePartialColorVisualHandler(applyValue) {\n  return {\n    applyVisual: function (value, getter, setter) {\n      // Only used in HSL\n      var colorChannel = this.mapValueToVisual(value); // Must not be array value\n\n      setter('color', applyValue(getter('color'), colorChannel));\n    },\n    _normalizedToVisual: createNormalizedToNumericVisual([0, 1])\n  };\n}\n\nfunction doMapToArray(normalized) {\n  var visual = this.option.visual;\n  return visual[Math.round(linearMap(normalized, [0, 1], [0, visual.length - 1], true))] || {}; // TODO {}?\n}\n\nfunction makeApplyVisual(visualType) {\n  return function (value, getter, setter) {\n    setter(visualType, this.mapValueToVisual(value));\n  };\n}\n\nfunction doMapCategory(normalized) {\n  var visual = this.option.visual;\n  return visual[this.option.loop && normalized !== CATEGORY_DEFAULT_VISUAL_INDEX ? normalized % visual.length : normalized];\n}\n\nfunction doMapFixed() {\n  // visual will be convert to array.\n  return this.option.visual[0];\n}\n/**\n * Create mapped to numeric visual\n */\n\n\nfunction createNormalizedToNumericVisual(sourceExtent) {\n  return {\n    linear: function (normalized) {\n      return linearMap(normalized, sourceExtent, this.option.visual, true);\n    },\n    category: doMapCategory,\n    piecewise: function (normalized, value) {\n      var result = getSpecifiedVisual.call(this, value);\n\n      if (result == null) {\n        result = linearMap(normalized, sourceExtent, this.option.visual, true);\n      }\n\n      return result;\n    },\n    fixed: doMapFixed\n  };\n}\n\nfunction getSpecifiedVisual(value) {\n  var thisOption = this.option;\n  var pieceList = thisOption.pieceList;\n\n  if (thisOption.hasSpecialVisual) {\n    var pieceIndex = VisualMapping.findPieceIndex(value, pieceList);\n    var piece = pieceList[pieceIndex];\n\n    if (piece && piece.visual) {\n      return piece.visual[this.type];\n    }\n  }\n}\n\nfunction setVisualToOption(thisOption, visualArr) {\n  thisOption.visual = visualArr;\n\n  if (thisOption.type === 'color') {\n    thisOption.parsedVisual = zrUtil.map(visualArr, function (item) {\n      return zrColor.parse(item);\n    });\n  }\n\n  return visualArr;\n}\n/**\n * Normalizers by mapping methods.\n */\n\n\nvar normalizers = {\n  linear: function (value) {\n    return linearMap(value, this.option.dataExtent, [0, 1], true);\n  },\n  piecewise: function (value) {\n    var pieceList = this.option.pieceList;\n    var pieceIndex = VisualMapping.findPieceIndex(value, pieceList, true);\n\n    if (pieceIndex != null) {\n      return linearMap(pieceIndex, [0, pieceList.length - 1], [0, 1], true);\n    }\n  },\n  category: function (value) {\n    var index = this.option.categories ? this.option.categoryMap[value] : value; // ordinal value\n\n    return index == null ? CATEGORY_DEFAULT_VISUAL_INDEX : index;\n  },\n  fixed: zrUtil.noop\n};\n\nfunction littleThan(close, a, b) {\n  return close ? a <= b : a < b;\n}\n\nexport default VisualMapping;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport VisualMapping from '../../visual/VisualMapping';\nimport { each, extend, isArray } from 'zrender/lib/core/util';\nimport { modifyHSL, modifyAlpha } from 'zrender/lib/tool/color';\nimport { makeInner } from '../../util/model';\nvar ITEM_STYLE_NORMAL = 'itemStyle';\nvar inner = makeInner();\nexport default {\n  seriesType: 'treemap',\n  reset: function (seriesModel) {\n    var tree = seriesModel.getData().tree;\n    var root = tree.root;\n\n    if (root.isRemoved()) {\n      return;\n    }\n\n    travelTree(root, // Visual should calculate from tree root but not view root.\n    {}, seriesModel.getViewRoot().getAncestors(), seriesModel);\n  }\n};\n\nfunction travelTree(node, designatedVisual, viewRootAncestors, seriesModel) {\n  var nodeModel = node.getModel();\n  var nodeLayout = node.getLayout();\n  var data = node.hostTree.data; // Optimize\n\n  if (!nodeLayout || nodeLayout.invisible || !nodeLayout.isInView) {\n    return;\n  }\n\n  var nodeItemStyleModel = nodeModel.getModel(ITEM_STYLE_NORMAL);\n  var visuals = buildVisuals(nodeItemStyleModel, designatedVisual, seriesModel);\n  var existsStyle = data.ensureUniqueItemVisual(node.dataIndex, 'style'); // calculate border color\n\n  var borderColor = nodeItemStyleModel.get('borderColor');\n  var borderColorSaturation = nodeItemStyleModel.get('borderColorSaturation');\n  var thisNodeColor;\n\n  if (borderColorSaturation != null) {\n    // For performance, do not always execute 'calculateColor'.\n    thisNodeColor = calculateColor(visuals);\n    borderColor = calculateBorderColor(borderColorSaturation, thisNodeColor);\n  }\n\n  existsStyle.stroke = borderColor;\n  var viewChildren = node.viewChildren;\n\n  if (!viewChildren || !viewChildren.length) {\n    thisNodeColor = calculateColor(visuals); // Apply visual to this node.\n\n    existsStyle.fill = thisNodeColor;\n  } else {\n    var mapping_1 = buildVisualMapping(node, nodeModel, nodeLayout, nodeItemStyleModel, visuals, viewChildren); // Designate visual to children.\n\n    each(viewChildren, function (child, index) {\n      // If higher than viewRoot, only ancestors of viewRoot is needed to visit.\n      if (child.depth >= viewRootAncestors.length || child === viewRootAncestors[child.depth]) {\n        var childVisual = mapVisual(nodeModel, visuals, child, index, mapping_1, seriesModel);\n        travelTree(child, childVisual, viewRootAncestors, seriesModel);\n      }\n    });\n  }\n}\n\nfunction buildVisuals(nodeItemStyleModel, designatedVisual, seriesModel) {\n  var visuals = extend({}, designatedVisual);\n  var designatedVisualItemStyle = seriesModel.designatedVisualItemStyle;\n  each(['color', 'colorAlpha', 'colorSaturation'], function (visualName) {\n    // Priority: thisNode > thisLevel > parentNodeDesignated > seriesModel\n    designatedVisualItemStyle[visualName] = designatedVisual[visualName];\n    var val = nodeItemStyleModel.get(visualName);\n    designatedVisualItemStyle[visualName] = null;\n    val != null && (visuals[visualName] = val);\n  });\n  return visuals;\n}\n\nfunction calculateColor(visuals) {\n  var color = getValueVisualDefine(visuals, 'color');\n\n  if (color) {\n    var colorAlpha = getValueVisualDefine(visuals, 'colorAlpha');\n    var colorSaturation = getValueVisualDefine(visuals, 'colorSaturation');\n\n    if (colorSaturation) {\n      color = modifyHSL(color, null, null, colorSaturation);\n    }\n\n    if (colorAlpha) {\n      color = modifyAlpha(color, colorAlpha);\n    }\n\n    return color;\n  }\n}\n\nfunction calculateBorderColor(borderColorSaturation, thisNodeColor) {\n  return thisNodeColor != null // Can only be string\n  ? modifyHSL(thisNodeColor, null, null, borderColorSaturation) : null;\n}\n\nfunction getValueVisualDefine(visuals, name) {\n  var value = visuals[name];\n\n  if (value != null && value !== 'none') {\n    return value;\n  }\n}\n\nfunction buildVisualMapping(node, nodeModel, nodeLayout, nodeItemStyleModel, visuals, viewChildren) {\n  if (!viewChildren || !viewChildren.length) {\n    return;\n  }\n\n  var rangeVisual = getRangeVisual(nodeModel, 'color') || visuals.color != null && visuals.color !== 'none' && (getRangeVisual(nodeModel, 'colorAlpha') || getRangeVisual(nodeModel, 'colorSaturation'));\n\n  if (!rangeVisual) {\n    return;\n  }\n\n  var visualMin = nodeModel.get('visualMin');\n  var visualMax = nodeModel.get('visualMax');\n  var dataExtent = nodeLayout.dataExtent.slice();\n  visualMin != null && visualMin < dataExtent[0] && (dataExtent[0] = visualMin);\n  visualMax != null && visualMax > dataExtent[1] && (dataExtent[1] = visualMax);\n  var colorMappingBy = nodeModel.get('colorMappingBy');\n  var opt = {\n    type: rangeVisual.name,\n    dataExtent: dataExtent,\n    visual: rangeVisual.range\n  };\n\n  if (opt.type === 'color' && (colorMappingBy === 'index' || colorMappingBy === 'id')) {\n    opt.mappingMethod = 'category';\n    opt.loop = true; // categories is ordinal, so do not set opt.categories.\n  } else {\n    opt.mappingMethod = 'linear';\n  }\n\n  var mapping = new VisualMapping(opt);\n  inner(mapping).drColorMappingBy = colorMappingBy;\n  return mapping;\n} // Notice: If we dont have the attribute 'colorRange', but only use\n// attribute 'color' to represent both concepts of 'colorRange' and 'color',\n// (It means 'colorRange' when 'color' is Array, means 'color' when not array),\n// this problem will be encountered:\n// If a level-1 node dont have children, and its siblings has children,\n// and colorRange is set on level-1, then the node can not be colored.\n// So we separate 'colorRange' and 'color' to different attributes.\n\n\nfunction getRangeVisual(nodeModel, name) {\n  // 'colorRange', 'colorARange', 'colorSRange'.\n  // If not exsits on this node, fetch from levels and series.\n  var range = nodeModel.get(name);\n  return isArray(range) && range.length ? {\n    name: name,\n    range: range\n  } : null;\n}\n\nfunction mapVisual(nodeModel, visuals, child, index, mapping, seriesModel) {\n  var childVisuals = extend({}, visuals);\n\n  if (mapping) {\n    // Only support color, colorAlpha, colorSaturation.\n    var mappingType = mapping.type;\n    var colorMappingBy = mappingType === 'color' && inner(mapping).drColorMappingBy;\n    var value = colorMappingBy === 'index' ? index : colorMappingBy === 'id' ? seriesModel.mapIdToIndex(child.getId()) : child.getValue(nodeModel.get('visualDimension'));\n    childVisuals[mappingType] = mapping.mapValueToVisual(value);\n  }\n\n  return childVisuals;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/*\n* A third-party license is embeded for some of the code in this file:\n* The treemap layout implementation was originally copied from\n* \"d3.js\" with some modifications made for this project.\n* (See more details in the comment of the method \"squarify\" below.)\n* The use of the source code of this file is also subject to the terms\n* and consitions of the license of \"d3.js\" (BSD-3Clause, see\n* </licenses/LICENSE-d3>).\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport { parsePercent, MAX_SAFE_INTEGER } from '../../util/number';\nimport * as layout from '../../util/layout';\nimport * as helper from '../helper/treeHelper';\nvar mathMax = Math.max;\nvar mathMin = Math.min;\nvar retrieveValue = zrUtil.retrieve;\nvar each = zrUtil.each;\nvar PATH_BORDER_WIDTH = ['itemStyle', 'borderWidth'];\nvar PATH_GAP_WIDTH = ['itemStyle', 'gapWidth'];\nvar PATH_UPPER_LABEL_SHOW = ['upperLabel', 'show'];\nvar PATH_UPPER_LABEL_HEIGHT = ['upperLabel', 'height'];\n;\n/**\n * @public\n */\n\nexport default {\n  seriesType: 'treemap',\n  reset: function (seriesModel, ecModel, api, payload) {\n    // Layout result in each node:\n    // {x, y, width, height, area, borderWidth}\n    var ecWidth = api.getWidth();\n    var ecHeight = api.getHeight();\n    var seriesOption = seriesModel.option;\n    var layoutInfo = layout.getLayoutRect(seriesModel.getBoxLayoutParams(), {\n      width: api.getWidth(),\n      height: api.getHeight()\n    });\n    var size = seriesOption.size || []; // Compatible with ec2.\n\n    var containerWidth = parsePercent(retrieveValue(layoutInfo.width, size[0]), ecWidth);\n    var containerHeight = parsePercent(retrieveValue(layoutInfo.height, size[1]), ecHeight); // Fetch payload info.\n\n    var payloadType = payload && payload.type;\n    var types = ['treemapZoomToNode', 'treemapRootToNode'];\n    var targetInfo = helper.retrieveTargetInfo(payload, types, seriesModel);\n    var rootRect = payloadType === 'treemapRender' || payloadType === 'treemapMove' ? payload.rootRect : null;\n    var viewRoot = seriesModel.getViewRoot();\n    var viewAbovePath = helper.getPathToRoot(viewRoot);\n\n    if (payloadType !== 'treemapMove') {\n      var rootSize = payloadType === 'treemapZoomToNode' ? estimateRootSize(seriesModel, targetInfo, viewRoot, containerWidth, containerHeight) : rootRect ? [rootRect.width, rootRect.height] : [containerWidth, containerHeight];\n      var sort_1 = seriesOption.sort;\n\n      if (sort_1 && sort_1 !== 'asc' && sort_1 !== 'desc') {\n        // Default to be desc order.\n        sort_1 = 'desc';\n      }\n\n      var options = {\n        squareRatio: seriesOption.squareRatio,\n        sort: sort_1,\n        leafDepth: seriesOption.leafDepth\n      }; // layout should be cleared because using updateView but not update.\n\n      viewRoot.hostTree.clearLayouts(); // TODO\n      // optimize: if out of view clip, do not layout.\n      // But take care that if do not render node out of view clip,\n      // how to calculate start po\n\n      var viewRootLayout_1 = {\n        x: 0,\n        y: 0,\n        width: rootSize[0],\n        height: rootSize[1],\n        area: rootSize[0] * rootSize[1]\n      };\n      viewRoot.setLayout(viewRootLayout_1);\n      squarify(viewRoot, options, false, 0); // Supplement layout.\n\n      viewRootLayout_1 = viewRoot.getLayout();\n      each(viewAbovePath, function (node, index) {\n        var childValue = (viewAbovePath[index + 1] || viewRoot).getValue();\n        node.setLayout(zrUtil.extend({\n          dataExtent: [childValue, childValue],\n          borderWidth: 0,\n          upperHeight: 0\n        }, viewRootLayout_1));\n      });\n    }\n\n    var treeRoot = seriesModel.getData().tree.root;\n    treeRoot.setLayout(calculateRootPosition(layoutInfo, rootRect, targetInfo), true);\n    seriesModel.setLayoutInfo(layoutInfo); // FIXME\n    // 现在没有clip功能，暂时取ec高宽。\n\n    prunning(treeRoot, // Transform to base element coordinate system.\n    new BoundingRect(-layoutInfo.x, -layoutInfo.y, ecWidth, ecHeight), viewAbovePath, viewRoot, 0);\n  }\n};\n/**\n * Layout treemap with squarify algorithm.\n * The original presentation of this algorithm\n * was made by Mark Bruls, Kees Huizing, and Jarke J. van Wijk\n * <https://graphics.ethz.ch/teaching/scivis_common/Literature/squarifiedTreeMaps.pdf>.\n * The implementation of this algorithm was originally copied from \"d3.js\"\n * <https://github.com/d3/d3/blob/9cc9a875e636a1dcf36cc1e07bdf77e1ad6e2c74/src/layout/treemap.js>\n * with some modifications made for this program.\n * See the license statement at the head of this file.\n *\n * @protected\n * @param {module:echarts/data/Tree~TreeNode} node\n * @param {Object} options\n * @param {string} options.sort 'asc' or 'desc'\n * @param {number} options.squareRatio\n * @param {boolean} hideChildren\n * @param {number} depth\n */\n\nfunction squarify(node, options, hideChildren, depth) {\n  var width;\n  var height;\n\n  if (node.isRemoved()) {\n    return;\n  }\n\n  var thisLayout = node.getLayout();\n  width = thisLayout.width;\n  height = thisLayout.height; // Considering border and gap\n\n  var nodeModel = node.getModel();\n  var borderWidth = nodeModel.get(PATH_BORDER_WIDTH);\n  var halfGapWidth = nodeModel.get(PATH_GAP_WIDTH) / 2;\n  var upperLabelHeight = getUpperLabelHeight(nodeModel);\n  var upperHeight = Math.max(borderWidth, upperLabelHeight);\n  var layoutOffset = borderWidth - halfGapWidth;\n  var layoutOffsetUpper = upperHeight - halfGapWidth;\n  node.setLayout({\n    borderWidth: borderWidth,\n    upperHeight: upperHeight,\n    upperLabelHeight: upperLabelHeight\n  }, true);\n  width = mathMax(width - 2 * layoutOffset, 0);\n  height = mathMax(height - layoutOffset - layoutOffsetUpper, 0);\n  var totalArea = width * height;\n  var viewChildren = initChildren(node, nodeModel, totalArea, options, hideChildren, depth);\n\n  if (!viewChildren.length) {\n    return;\n  }\n\n  var rect = {\n    x: layoutOffset,\n    y: layoutOffsetUpper,\n    width: width,\n    height: height\n  };\n  var rowFixedLength = mathMin(width, height);\n  var best = Infinity; // the best row score so far\n\n  var row = [];\n  row.area = 0;\n\n  for (var i = 0, len = viewChildren.length; i < len;) {\n    var child = viewChildren[i];\n    row.push(child);\n    row.area += child.getLayout().area;\n    var score = worst(row, rowFixedLength, options.squareRatio); // continue with this orientation\n\n    if (score <= best) {\n      i++;\n      best = score;\n    } // abort, and try a different orientation\n    else {\n        row.area -= row.pop().getLayout().area;\n        position(row, rowFixedLength, rect, halfGapWidth, false);\n        rowFixedLength = mathMin(rect.width, rect.height);\n        row.length = row.area = 0;\n        best = Infinity;\n      }\n  }\n\n  if (row.length) {\n    position(row, rowFixedLength, rect, halfGapWidth, true);\n  }\n\n  if (!hideChildren) {\n    var childrenVisibleMin = nodeModel.get('childrenVisibleMin');\n\n    if (childrenVisibleMin != null && totalArea < childrenVisibleMin) {\n      hideChildren = true;\n    }\n  }\n\n  for (var i = 0, len = viewChildren.length; i < len; i++) {\n    squarify(viewChildren[i], options, hideChildren, depth + 1);\n  }\n}\n/**\n * Set area to each child, and calculate data extent for visual coding.\n */\n\n\nfunction initChildren(node, nodeModel, totalArea, options, hideChildren, depth) {\n  var viewChildren = node.children || [];\n  var orderBy = options.sort;\n  orderBy !== 'asc' && orderBy !== 'desc' && (orderBy = null);\n  var overLeafDepth = options.leafDepth != null && options.leafDepth <= depth; // leafDepth has higher priority.\n\n  if (hideChildren && !overLeafDepth) {\n    return node.viewChildren = [];\n  } // Sort children, order by desc.\n\n\n  viewChildren = zrUtil.filter(viewChildren, function (child) {\n    return !child.isRemoved();\n  });\n  sort(viewChildren, orderBy);\n  var info = statistic(nodeModel, viewChildren, orderBy);\n\n  if (info.sum === 0) {\n    return node.viewChildren = [];\n  }\n\n  info.sum = filterByThreshold(nodeModel, totalArea, info.sum, orderBy, viewChildren);\n\n  if (info.sum === 0) {\n    return node.viewChildren = [];\n  } // Set area to each child.\n\n\n  for (var i = 0, len = viewChildren.length; i < len; i++) {\n    var area = viewChildren[i].getValue() / info.sum * totalArea; // Do not use setLayout({...}, true), because it is needed to clear last layout.\n\n    viewChildren[i].setLayout({\n      area: area\n    });\n  }\n\n  if (overLeafDepth) {\n    viewChildren.length && node.setLayout({\n      isLeafRoot: true\n    }, true);\n    viewChildren.length = 0;\n  }\n\n  node.viewChildren = viewChildren;\n  node.setLayout({\n    dataExtent: info.dataExtent\n  }, true);\n  return viewChildren;\n}\n/**\n * Consider 'visibleMin'. Modify viewChildren and get new sum.\n */\n\n\nfunction filterByThreshold(nodeModel, totalArea, sum, orderBy, orderedChildren) {\n  // visibleMin is not supported yet when no option.sort.\n  if (!orderBy) {\n    return sum;\n  }\n\n  var visibleMin = nodeModel.get('visibleMin');\n  var len = orderedChildren.length;\n  var deletePoint = len; // Always travel from little value to big value.\n\n  for (var i = len - 1; i >= 0; i--) {\n    var value = orderedChildren[orderBy === 'asc' ? len - i - 1 : i].getValue();\n\n    if (value / sum * totalArea < visibleMin) {\n      deletePoint = i;\n      sum -= value;\n    }\n  }\n\n  orderBy === 'asc' ? orderedChildren.splice(0, len - deletePoint) : orderedChildren.splice(deletePoint, len - deletePoint);\n  return sum;\n}\n/**\n * Sort\n */\n\n\nfunction sort(viewChildren, orderBy) {\n  if (orderBy) {\n    viewChildren.sort(function (a, b) {\n      var diff = orderBy === 'asc' ? a.getValue() - b.getValue() : b.getValue() - a.getValue();\n      return diff === 0 ? orderBy === 'asc' ? a.dataIndex - b.dataIndex : b.dataIndex - a.dataIndex : diff;\n    });\n  }\n\n  return viewChildren;\n}\n/**\n * Statistic\n */\n\n\nfunction statistic(nodeModel, children, orderBy) {\n  // Calculate sum.\n  var sum = 0;\n\n  for (var i = 0, len = children.length; i < len; i++) {\n    sum += children[i].getValue();\n  } // Statistic data extent for latter visual coding.\n  // Notice: data extent should be calculate based on raw children\n  // but not filtered view children, otherwise visual mapping will not\n  // be stable when zoom (where children is filtered by visibleMin).\n\n\n  var dimension = nodeModel.get('visualDimension');\n  var dataExtent; // The same as area dimension.\n\n  if (!children || !children.length) {\n    dataExtent = [NaN, NaN];\n  } else if (dimension === 'value' && orderBy) {\n    dataExtent = [children[children.length - 1].getValue(), children[0].getValue()];\n    orderBy === 'asc' && dataExtent.reverse();\n  } // Other dimension.\n  else {\n      dataExtent = [Infinity, -Infinity];\n      each(children, function (child) {\n        var value = child.getValue(dimension);\n        value < dataExtent[0] && (dataExtent[0] = value);\n        value > dataExtent[1] && (dataExtent[1] = value);\n      });\n    }\n\n  return {\n    sum: sum,\n    dataExtent: dataExtent\n  };\n}\n/**\n * Computes the score for the specified row,\n * as the worst aspect ratio.\n */\n\n\nfunction worst(row, rowFixedLength, ratio) {\n  var areaMax = 0;\n  var areaMin = Infinity;\n\n  for (var i = 0, area = void 0, len = row.length; i < len; i++) {\n    area = row[i].getLayout().area;\n\n    if (area) {\n      area < areaMin && (areaMin = area);\n      area > areaMax && (areaMax = area);\n    }\n  }\n\n  var squareArea = row.area * row.area;\n  var f = rowFixedLength * rowFixedLength * ratio;\n  return squareArea ? mathMax(f * areaMax / squareArea, squareArea / (f * areaMin)) : Infinity;\n}\n/**\n * Positions the specified row of nodes. Modifies `rect`.\n */\n\n\nfunction position(row, rowFixedLength, rect, halfGapWidth, flush) {\n  // When rowFixedLength === rect.width,\n  // it is horizontal subdivision,\n  // rowFixedLength is the width of the subdivision,\n  // rowOtherLength is the height of the subdivision,\n  // and nodes will be positioned from left to right.\n  // wh[idx0WhenH] means: when horizontal,\n  //      wh[idx0WhenH] => wh[0] => 'width'.\n  //      xy[idx1WhenH] => xy[1] => 'y'.\n  var idx0WhenH = rowFixedLength === rect.width ? 0 : 1;\n  var idx1WhenH = 1 - idx0WhenH;\n  var xy = ['x', 'y'];\n  var wh = ['width', 'height'];\n  var last = rect[xy[idx0WhenH]];\n  var rowOtherLength = rowFixedLength ? row.area / rowFixedLength : 0;\n\n  if (flush || rowOtherLength > rect[wh[idx1WhenH]]) {\n    rowOtherLength = rect[wh[idx1WhenH]]; // over+underflow\n  }\n\n  for (var i = 0, rowLen = row.length; i < rowLen; i++) {\n    var node = row[i];\n    var nodeLayout = {};\n    var step = rowOtherLength ? node.getLayout().area / rowOtherLength : 0;\n    var wh1 = nodeLayout[wh[idx1WhenH]] = mathMax(rowOtherLength - 2 * halfGapWidth, 0); // We use Math.max/min to avoid negative width/height when considering gap width.\n\n    var remain = rect[xy[idx0WhenH]] + rect[wh[idx0WhenH]] - last;\n    var modWH = i === rowLen - 1 || remain < step ? remain : step;\n    var wh0 = nodeLayout[wh[idx0WhenH]] = mathMax(modWH - 2 * halfGapWidth, 0);\n    nodeLayout[xy[idx1WhenH]] = rect[xy[idx1WhenH]] + mathMin(halfGapWidth, wh1 / 2);\n    nodeLayout[xy[idx0WhenH]] = last + mathMin(halfGapWidth, wh0 / 2);\n    last += modWH;\n    node.setLayout(nodeLayout, true);\n  }\n\n  rect[xy[idx1WhenH]] += rowOtherLength;\n  rect[wh[idx1WhenH]] -= rowOtherLength;\n} // Return [containerWidth, containerHeight] as default.\n\n\nfunction estimateRootSize(seriesModel, targetInfo, viewRoot, containerWidth, containerHeight) {\n  // If targetInfo.node exists, we zoom to the node,\n  // so estimate whold width and heigth by target node.\n  var currNode = (targetInfo || {}).node;\n  var defaultSize = [containerWidth, containerHeight];\n\n  if (!currNode || currNode === viewRoot) {\n    return defaultSize;\n  }\n\n  var parent;\n  var viewArea = containerWidth * containerHeight;\n  var area = viewArea * seriesModel.option.zoomToNodeRatio;\n\n  while (parent = currNode.parentNode) {\n    // jshint ignore:line\n    var sum = 0;\n    var siblings = parent.children;\n\n    for (var i = 0, len = siblings.length; i < len; i++) {\n      sum += siblings[i].getValue();\n    }\n\n    var currNodeValue = currNode.getValue();\n\n    if (currNodeValue === 0) {\n      return defaultSize;\n    }\n\n    area *= sum / currNodeValue; // Considering border, suppose aspect ratio is 1.\n\n    var parentModel = parent.getModel();\n    var borderWidth = parentModel.get(PATH_BORDER_WIDTH);\n    var upperHeight = Math.max(borderWidth, getUpperLabelHeight(parentModel));\n    area += 4 * borderWidth * borderWidth + (3 * borderWidth + upperHeight) * Math.pow(area, 0.5);\n    area > MAX_SAFE_INTEGER && (area = MAX_SAFE_INTEGER);\n    currNode = parent;\n  }\n\n  area < viewArea && (area = viewArea);\n  var scale = Math.pow(area / viewArea, 0.5);\n  return [containerWidth * scale, containerHeight * scale];\n} // Root postion base on coord of containerGroup\n\n\nfunction calculateRootPosition(layoutInfo, rootRect, targetInfo) {\n  if (rootRect) {\n    return {\n      x: rootRect.x,\n      y: rootRect.y\n    };\n  }\n\n  var defaultPosition = {\n    x: 0,\n    y: 0\n  };\n\n  if (!targetInfo) {\n    return defaultPosition;\n  } // If targetInfo is fetched by 'retrieveTargetInfo',\n  // old tree and new tree are the same tree,\n  // so the node still exists and we can visit it.\n\n\n  var targetNode = targetInfo.node;\n  var layout = targetNode.getLayout();\n\n  if (!layout) {\n    return defaultPosition;\n  } // Transform coord from local to container.\n\n\n  var targetCenter = [layout.width / 2, layout.height / 2];\n  var node = targetNode;\n\n  while (node) {\n    var nodeLayout = node.getLayout();\n    targetCenter[0] += nodeLayout.x;\n    targetCenter[1] += nodeLayout.y;\n    node = node.parentNode;\n  }\n\n  return {\n    x: layoutInfo.width / 2 - targetCenter[0],\n    y: layoutInfo.height / 2 - targetCenter[1]\n  };\n} // Mark nodes visible for prunning when visual coding and rendering.\n// Prunning depends on layout and root position, so we have to do it after layout.\n\n\nfunction prunning(node, clipRect, viewAbovePath, viewRoot, depth) {\n  var nodeLayout = node.getLayout();\n  var nodeInViewAbovePath = viewAbovePath[depth];\n  var isAboveViewRoot = nodeInViewAbovePath && nodeInViewAbovePath === node;\n\n  if (nodeInViewAbovePath && !isAboveViewRoot || depth === viewAbovePath.length && node !== viewRoot) {\n    return;\n  }\n\n  node.setLayout({\n    // isInView means: viewRoot sub tree + viewAbovePath\n    isInView: true,\n    // invisible only means: outside view clip so that the node can not\n    // see but still layout for animation preparation but not render.\n    invisible: !isAboveViewRoot && !clipRect.intersect(nodeLayout),\n    isAboveViewRoot: isAboveViewRoot\n  }, true); // Transform to child coordinate.\n\n  var childClipRect = new BoundingRect(clipRect.x - nodeLayout.x, clipRect.y - nodeLayout.y, clipRect.width, clipRect.height);\n  each(node.viewChildren || [], function (child) {\n    prunning(child, childClipRect, viewAbovePath, viewRoot, depth + 1);\n  });\n}\n\nfunction getUpperLabelHeight(model) {\n  return model.get(PATH_UPPER_LABEL_SHOW) ? model.get(PATH_UPPER_LABEL_HEIGHT) : 0;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport default function categoryFilter(ecModel) {\n  var legendModels = ecModel.findComponents({\n    mainType: 'legend'\n  });\n\n  if (!legendModels || !legendModels.length) {\n    return;\n  }\n\n  ecModel.eachSeriesByType('graph', function (graphSeries) {\n    var categoriesData = graphSeries.getCategoriesData();\n    var graph = graphSeries.getGraph();\n    var data = graph.data;\n    var categoryNames = categoriesData.mapArray(categoriesData.getName);\n    data.filterSelf(function (idx) {\n      var model = data.getItemModel(idx);\n      var category = model.getShallow('category');\n\n      if (category != null) {\n        if (typeof category === 'number') {\n          category = categoryNames[category];\n        } // If in any legend component the status is not selected.\n\n\n        for (var i = 0; i < legendModels.length; i++) {\n          if (!legendModels[i].isSelected(category)) {\n            return false;\n          }\n        }\n      }\n\n      return true;\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { extend } from 'zrender/lib/core/util';\nexport default function categoryVisual(ecModel) {\n  var paletteScope = {};\n  ecModel.eachSeriesByType('graph', function (seriesModel) {\n    var categoriesData = seriesModel.getCategoriesData();\n    var data = seriesModel.getData();\n    var categoryNameIdxMap = {};\n    categoriesData.each(function (idx) {\n      var name = categoriesData.getName(idx); // Add prefix to avoid conflict with Object.prototype.\n\n      categoryNameIdxMap['ec-' + name] = idx;\n      var itemModel = categoriesData.getItemModel(idx);\n      var style = itemModel.getModel('itemStyle').getItemStyle();\n\n      if (!style.fill) {\n        // Get color from palette.\n        style.fill = seriesModel.getColorFromPalette(name, paletteScope);\n      }\n\n      categoriesData.setItemVisual(idx, 'style', style);\n      var symbolVisualList = ['symbol', 'symbolSize', 'symbolKeepAspect'];\n\n      for (var i = 0; i < symbolVisualList.length; i++) {\n        var symbolVisual = itemModel.getShallow(symbolVisualList[i], true);\n\n        if (symbolVisual != null) {\n          categoriesData.setItemVisual(idx, symbolVisualList[i], symbolVisual);\n        }\n      }\n    }); // Assign category color to visual\n\n    if (categoriesData.count()) {\n      data.each(function (idx) {\n        var model = data.getItemModel(idx);\n        var categoryIdx = model.getShallow('category');\n\n        if (categoryIdx != null) {\n          if (typeof categoryIdx === 'string') {\n            categoryIdx = categoryNameIdxMap['ec-' + categoryIdx];\n          }\n\n          var categoryStyle = categoriesData.getItemVisual(categoryIdx, 'style');\n          var style = data.ensureUniqueItemVisual(idx, 'style');\n          extend(style, categoryStyle);\n          var visualList = ['symbol', 'symbolSize', 'symbolKeepAspect'];\n\n          for (var i = 0; i < visualList.length; i++) {\n            data.setItemVisual(idx, visualList[i], categoriesData.getItemVisual(categoryIdx, visualList[i]));\n          }\n        }\n      });\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { extend } from 'zrender/lib/core/util';\n\nfunction normalize(a) {\n  if (!(a instanceof Array)) {\n    a = [a, a];\n  }\n\n  return a;\n}\n\nexport default function graphEdgeVisual(ecModel) {\n  ecModel.eachSeriesByType('graph', function (seriesModel) {\n    var graph = seriesModel.getGraph();\n    var edgeData = seriesModel.getEdgeData();\n    var symbolType = normalize(seriesModel.get('edgeSymbol'));\n    var symbolSize = normalize(seriesModel.get('edgeSymbolSize')); // const colorQuery = ['lineStyle', 'color'] as const;\n    // const opacityQuery = ['lineStyle', 'opacity'] as const;\n\n    edgeData.setVisual('fromSymbol', symbolType && symbolType[0]);\n    edgeData.setVisual('toSymbol', symbolType && symbolType[1]);\n    edgeData.setVisual('fromSymbolSize', symbolSize && symbolSize[0]);\n    edgeData.setVisual('toSymbolSize', symbolSize && symbolSize[1]);\n    edgeData.setVisual('style', seriesModel.getModel('lineStyle').getLineStyle());\n    edgeData.each(function (idx) {\n      var itemModel = edgeData.getItemModel(idx);\n      var edge = graph.getEdgeByIndex(idx);\n      var symbolType = normalize(itemModel.getShallow('symbol', true));\n      var symbolSize = normalize(itemModel.getShallow('symbolSize', true)); // Edge visual must after node visual\n\n      var style = itemModel.getModel('lineStyle').getLineStyle();\n      var existsStyle = edgeData.ensureUniqueItemVisual(idx, 'style');\n      extend(existsStyle, style);\n\n      switch (existsStyle.stroke) {\n        case 'source':\n          {\n            var nodeStyle = edge.node1.getVisual('style');\n            existsStyle.stroke = nodeStyle && nodeStyle.fill;\n            break;\n          }\n\n        case 'target':\n          {\n            var nodeStyle = edge.node2.getVisual('style');\n            existsStyle.stroke = nodeStyle && nodeStyle.fill;\n            break;\n          }\n      }\n\n      symbolType[0] && edge.setVisual('fromSymbol', symbolType[0]);\n      symbolType[1] && edge.setVisual('toSymbol', symbolType[1]);\n      symbolSize[0] && edge.setVisual('fromSymbolSize', symbolSize[0]);\n      symbolSize[1] && edge.setVisual('toSymbolSize', symbolSize[1]);\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// @ts-nocheck\nimport * as zrUtil from 'zrender/lib/core/util';\nvar KEY_DELIMITER = '-->';\n/**\n * params handler\n * @param {module:echarts/model/SeriesModel} seriesModel\n * @returns {*}\n */\n\nvar getAutoCurvenessParams = function (seriesModel) {\n  return seriesModel.get('autoCurveness') || null;\n};\n/**\n * Generate a list of edge curvatures, 20 is the default\n * @param {module:echarts/model/SeriesModel} seriesModel\n * @param {number} appendLength\n * @return  20 => [0, -0.2, 0.2, -0.4, 0.4, -0.6, 0.6, -0.8, 0.8, -1, 1, -1.2, 1.2, -1.4, 1.4, -1.6, 1.6, -1.8, 1.8, -2]\n */\n\n\nvar createCurveness = function (seriesModel, appendLength) {\n  var autoCurvenessParmas = getAutoCurvenessParams(seriesModel);\n  var length = 20;\n  var curvenessList = []; // handler the function set\n\n  if (typeof autoCurvenessParmas === 'number') {\n    length = autoCurvenessParmas;\n  } else if (zrUtil.isArray(autoCurvenessParmas)) {\n    seriesModel.__curvenessList = autoCurvenessParmas;\n    return;\n  } // append length\n\n\n  if (appendLength > length) {\n    length = appendLength;\n  } // make sure the length is even\n\n\n  var len = length % 2 ? length + 2 : length + 3;\n  curvenessList = [];\n\n  for (var i = 0; i < len; i++) {\n    curvenessList.push((i % 2 ? i + 1 : i) / 10 * (i % 2 ? -1 : 1));\n  }\n\n  seriesModel.__curvenessList = curvenessList;\n};\n/**\n * Create different cache key data in the positive and negative directions, in order to set the curvature later\n * @param {number|string|module:echarts/data/Graph.Node} n1\n * @param {number|string|module:echarts/data/Graph.Node} n2\n * @param {module:echarts/model/SeriesModel} seriesModel\n * @returns {string} key\n */\n\n\nvar getKeyOfEdges = function (n1, n2, seriesModel) {\n  var source = [n1.id, n1.dataIndex].join('.');\n  var target = [n2.id, n2.dataIndex].join('.');\n  return [seriesModel.uid, source, target].join(KEY_DELIMITER);\n};\n/**\n * get opposite key\n * @param {string} key\n * @returns {string}\n */\n\n\nvar getOppositeKey = function (key) {\n  var keys = key.split(KEY_DELIMITER);\n  return [keys[0], keys[2], keys[1]].join(KEY_DELIMITER);\n};\n/**\n * get edgeMap with key\n * @param edge\n * @param {module:echarts/model/SeriesModel} seriesModel\n */\n\n\nvar getEdgeFromMap = function (edge, seriesModel) {\n  var key = getKeyOfEdges(edge.node1, edge.node2, seriesModel);\n  return seriesModel.__edgeMap[key];\n};\n/**\n * calculate all cases total length\n * @param edge\n * @param seriesModel\n * @returns {number}\n */\n\n\nvar getTotalLengthBetweenNodes = function (edge, seriesModel) {\n  var len = getEdgeMapLengthWithKey(getKeyOfEdges(edge.node1, edge.node2, seriesModel), seriesModel);\n  var lenV = getEdgeMapLengthWithKey(getKeyOfEdges(edge.node2, edge.node1, seriesModel), seriesModel);\n  return len + lenV;\n};\n/**\n *\n * @param key\n */\n\n\nvar getEdgeMapLengthWithKey = function (key, seriesModel) {\n  var edgeMap = seriesModel.__edgeMap;\n  return edgeMap[key] ? edgeMap[key].length : 0;\n};\n/**\n * Count the number of edges between the same two points, used to obtain the curvature table and the parity of the edge\n * @see /graph/GraphSeries.js@getInitialData\n * @param {module:echarts/model/SeriesModel} seriesModel\n */\n\n\nexport function initCurvenessList(seriesModel) {\n  if (!getAutoCurvenessParams(seriesModel)) {\n    return;\n  }\n\n  seriesModel.__curvenessList = [];\n  seriesModel.__edgeMap = {}; // calc the array of curveness List\n\n  createCurveness(seriesModel);\n}\n/**\n * set edgeMap with key\n * @param {number|string|module:echarts/data/Graph.Node} n1\n * @param {number|string|module:echarts/data/Graph.Node} n2\n * @param {module:echarts/model/SeriesModel} seriesModel\n * @param {number} index\n */\n\nexport function createEdgeMapForCurveness(n1, n2, seriesModel, index) {\n  if (!getAutoCurvenessParams(seriesModel)) {\n    return;\n  }\n\n  var key = getKeyOfEdges(n1, n2, seriesModel);\n  var edgeMap = seriesModel.__edgeMap;\n  var oppositeEdges = edgeMap[getOppositeKey(key)]; // set direction\n\n  if (edgeMap[key] && !oppositeEdges) {\n    edgeMap[key].isForward = true;\n  } else if (oppositeEdges && edgeMap[key]) {\n    oppositeEdges.isForward = true;\n    edgeMap[key].isForward = false;\n  }\n\n  edgeMap[key] = edgeMap[key] || [];\n  edgeMap[key].push(index);\n}\n/**\n * get curvature for edge\n * @param edge\n * @param {module:echarts/model/SeriesModel} seriesModel\n * @param index\n */\n\nexport function getCurvenessForEdge(edge, seriesModel, index, needReverse) {\n  var autoCurvenessParams = getAutoCurvenessParams(seriesModel);\n  var isArrayParam = zrUtil.isArray(autoCurvenessParams);\n\n  if (!autoCurvenessParams) {\n    return null;\n  }\n\n  var edgeArray = getEdgeFromMap(edge, seriesModel);\n\n  if (!edgeArray) {\n    return null;\n  }\n\n  var edgeIndex = -1;\n\n  for (var i = 0; i < edgeArray.length; i++) {\n    if (edgeArray[i] === index) {\n      edgeIndex = i;\n      break;\n    }\n  } // if totalLen is Longer createCurveness\n\n\n  var totalLen = getTotalLengthBetweenNodes(edge, seriesModel);\n  createCurveness(seriesModel, totalLen);\n  edge.lineStyle = edge.lineStyle || {}; // if is opposite edge, must set curvenss to opposite number\n\n  var curKey = getKeyOfEdges(edge.node1, edge.node2, seriesModel);\n  var curvenessList = seriesModel.__curvenessList; // if pass array no need parity\n\n  var parityCorrection = isArrayParam ? 0 : totalLen % 2 ? 0 : 1;\n\n  if (!edgeArray.isForward) {\n    // the opposite edge show outside\n    var oppositeKey = getOppositeKey(curKey);\n    var len = getEdgeMapLengthWithKey(oppositeKey, seriesModel);\n    var resValue = curvenessList[edgeIndex + len + parityCorrection]; // isNeedReverse, simple, force type need reverse the curveness in the junction of the forword and the opposite\n\n    if (needReverse) {\n      // set as array may make the parity handle with the len of opposite\n      if (isArrayParam) {\n        if (autoCurvenessParams && autoCurvenessParams[0] === 0) {\n          return (len + parityCorrection) % 2 ? resValue : -resValue;\n        } else {\n          return ((len % 2 ? 0 : 1) + parityCorrection) % 2 ? resValue : -resValue;\n        }\n      } else {\n        return (len + parityCorrection) % 2 ? resValue : -resValue;\n      }\n    } else {\n      return curvenessList[edgeIndex + len + parityCorrection];\n    }\n  } else {\n    return curvenessList[parityCorrection + edgeIndex];\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as vec2 from 'zrender/lib/core/vector';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { getCurvenessForEdge } from '../helper/multipleGraphEdgeHelper';\nexport function simpleLayout(seriesModel) {\n  var coordSys = seriesModel.coordinateSystem;\n\n  if (coordSys && coordSys.type !== 'view') {\n    return;\n  }\n\n  var graph = seriesModel.getGraph();\n  graph.eachNode(function (node) {\n    var model = node.getModel();\n    node.setLayout([+model.get('x'), +model.get('y')]);\n  });\n  simpleLayoutEdge(graph, seriesModel);\n}\nexport function simpleLayoutEdge(graph, seriesModel) {\n  graph.eachEdge(function (edge, index) {\n    var curveness = zrUtil.retrieve3(edge.getModel().get(['lineStyle', 'curveness']), -getCurvenessForEdge(edge, seriesModel, index, true), 0);\n    var p1 = vec2.clone(edge.node1.getLayout());\n    var p2 = vec2.clone(edge.node2.getLayout());\n    var points = [p1, p2];\n\n    if (+curveness) {\n      points.push([(p1[0] + p2[0]) / 2 - (p1[1] - p2[1]) * curveness, (p1[1] + p2[1]) / 2 - (p2[0] - p1[0]) * curveness]);\n    }\n\n    edge.setLayout(points);\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { each } from 'zrender/lib/core/util';\nimport { simpleLayout, simpleLayoutEdge } from './simpleLayoutHelper';\nexport default function graphSimpleLayout(ecModel, api) {\n  ecModel.eachSeriesByType('graph', function (seriesModel) {\n    var layout = seriesModel.get('layout');\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys && coordSys.type !== 'view') {\n      var data_1 = seriesModel.getData();\n      var dimensions_1 = [];\n      each(coordSys.dimensions, function (coordDim) {\n        dimensions_1 = dimensions_1.concat(data_1.mapDimensionsAll(coordDim));\n      });\n\n      for (var dataIndex = 0; dataIndex < data_1.count(); dataIndex++) {\n        var value = [];\n        var hasValue = false;\n\n        for (var i = 0; i < dimensions_1.length; i++) {\n          var val = data_1.get(dimensions_1[i], dataIndex);\n\n          if (!isNaN(val)) {\n            hasValue = true;\n          }\n\n          value.push(val);\n        }\n\n        if (hasValue) {\n          data_1.setItemLayout(dataIndex, coordSys.dataToPoint(value));\n        } else {\n          // Also {Array.<number>}, not undefined to avoid if...else... statement\n          data_1.setItemLayout(dataIndex, [NaN, NaN]);\n        }\n      }\n\n      simpleLayoutEdge(data_1.graph, seriesModel);\n    } else if (!layout || layout === 'none') {\n      simpleLayout(seriesModel);\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport function getNodeGlobalScale(seriesModel) {\n  var coordSys = seriesModel.coordinateSystem;\n\n  if (coordSys.type !== 'view') {\n    return 1;\n  }\n\n  var nodeScaleRatio = seriesModel.option.nodeScaleRatio;\n  var groupZoom = coordSys.scaleX; // Scale node when zoom changes\n\n  var roamZoom = coordSys.getZoom();\n  var nodeScale = (roamZoom - 1) * nodeScaleRatio + 1;\n  return nodeScale / groupZoom;\n}\nexport function getSymbolSize(node) {\n  var symbolSize = node.getVisual('symbolSize');\n\n  if (symbolSize instanceof Array) {\n    symbolSize = (symbolSize[0] + symbolSize[1]) / 2;\n  }\n\n  return +symbolSize;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as vec2 from 'zrender/lib/core/vector';\nimport { getSymbolSize, getNodeGlobalScale } from './graphHelper';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { getCurvenessForEdge } from '../helper/multipleGraphEdgeHelper';\nvar PI = Math.PI;\nvar _symbolRadiansHalf = [];\n/**\n * `basedOn` can be:\n * 'value':\n *     This layout is not accurate and have same bad case. For example,\n *     if the min value is very smaller than the max value, the nodes\n *     with the min value probably overlap even though there is enough\n *     space to layout them. So we only use this approach in the as the\n *     init layout of the force layout.\n *     FIXME\n *     Probably we do not need this method any more but use\n *     `basedOn: 'symbolSize'` in force layout if\n *     delay its init operations to GraphView.\n * 'symbolSize':\n *     This approach work only if all of the symbol size calculated.\n *     That is, the progressive rendering is not applied to graph.\n *     FIXME\n *     If progressive rendering is applied to graph some day,\n *     probably we have to use `basedOn: 'value'`.\n */\n\nexport function circularLayout(seriesModel, basedOn) {\n  var coordSys = seriesModel.coordinateSystem;\n\n  if (coordSys && coordSys.type !== 'view') {\n    return;\n  }\n\n  var rect = coordSys.getBoundingRect();\n  var nodeData = seriesModel.getData();\n  var graph = nodeData.graph;\n  var cx = rect.width / 2 + rect.x;\n  var cy = rect.height / 2 + rect.y;\n  var r = Math.min(rect.width, rect.height) / 2;\n  var count = nodeData.count();\n  nodeData.setLayout({\n    cx: cx,\n    cy: cy\n  });\n\n  if (!count) {\n    return;\n  }\n\n  _layoutNodesBasedOn[basedOn](seriesModel, graph, nodeData, r, cx, cy, count);\n\n  graph.eachEdge(function (edge, index) {\n    var curveness = zrUtil.retrieve3(edge.getModel().get(['lineStyle', 'curveness']), getCurvenessForEdge(edge, seriesModel, index), 0);\n    var p1 = vec2.clone(edge.node1.getLayout());\n    var p2 = vec2.clone(edge.node2.getLayout());\n    var cp1;\n    var x12 = (p1[0] + p2[0]) / 2;\n    var y12 = (p1[1] + p2[1]) / 2;\n\n    if (+curveness) {\n      curveness *= 3;\n      cp1 = [cx * curveness + x12 * (1 - curveness), cy * curveness + y12 * (1 - curveness)];\n    }\n\n    edge.setLayout([p1, p2, cp1]);\n  });\n}\nvar _layoutNodesBasedOn = {\n  value: function (seriesModel, graph, nodeData, r, cx, cy, count) {\n    var angle = 0;\n    var sum = nodeData.getSum('value');\n    var unitAngle = Math.PI * 2 / (sum || count);\n    graph.eachNode(function (node) {\n      var value = node.getValue('value');\n      var radianHalf = unitAngle * (sum ? value : 1) / 2;\n      angle += radianHalf;\n      node.setLayout([r * Math.cos(angle) + cx, r * Math.sin(angle) + cy]);\n      angle += radianHalf;\n    });\n  },\n  symbolSize: function (seriesModel, graph, nodeData, r, cx, cy, count) {\n    var sumRadian = 0;\n    _symbolRadiansHalf.length = count;\n    var nodeScale = getNodeGlobalScale(seriesModel);\n    graph.eachNode(function (node) {\n      var symbolSize = getSymbolSize(node); // Normally this case will not happen, but we still add\n      // some the defensive code (2px is an arbitrary value).\n\n      isNaN(symbolSize) && (symbolSize = 2);\n      symbolSize < 0 && (symbolSize = 0);\n      symbolSize *= nodeScale;\n      var symbolRadianHalf = Math.asin(symbolSize / 2 / r); // when `symbolSize / 2` is bigger than `r`.\n\n      isNaN(symbolRadianHalf) && (symbolRadianHalf = PI / 2);\n      _symbolRadiansHalf[node.dataIndex] = symbolRadianHalf;\n      sumRadian += symbolRadianHalf * 2;\n    });\n    var halfRemainRadian = (2 * PI - sumRadian) / count / 2;\n    var angle = 0;\n    graph.eachNode(function (node) {\n      var radianHalf = halfRemainRadian + _symbolRadiansHalf[node.dataIndex];\n      angle += radianHalf;\n      node.setLayout([r * Math.cos(angle) + cx, r * Math.sin(angle) + cy]);\n      angle += radianHalf;\n    });\n  }\n};","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { circularLayout } from './circularLayoutHelper';\nexport default function graphCircularLayout(ecModel) {\n  ecModel.eachSeriesByType('graph', function (seriesModel) {\n    if (seriesModel.get('layout') === 'circular') {\n      circularLayout(seriesModel, 'symbolSize');\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/*\n* A third-party license is embeded for some of the code in this file:\n* Some formulas were originally copied from \"d3.js\" with some\n* modifications made for this project.\n* (See more details in the comment of the method \"step\" below.)\n* The use of the source code of this file is also subject to the terms\n* and consitions of the license of \"d3.js\" (BSD-3Clause, see\n* </licenses/LICENSE-d3>).\n*/\nimport * as vec2 from 'zrender/lib/core/vector';\nvar scaleAndAdd = vec2.scaleAndAdd; // function adjacentNode(n, e) {\n//     return e.n1 === n ? e.n2 : e.n1;\n// }\n\nexport function forceLayout(inNodes, inEdges, opts) {\n  var nodes = inNodes;\n  var edges = inEdges;\n  var rect = opts.rect;\n  var width = rect.width;\n  var height = rect.height;\n  var center = [rect.x + width / 2, rect.y + height / 2]; // let scale = opts.scale || 1;\n\n  var gravity = opts.gravity == null ? 0.1 : opts.gravity; // for (let i = 0; i < edges.length; i++) {\n  //     let e = edges[i];\n  //     let n1 = e.n1;\n  //     let n2 = e.n2;\n  //     n1.edges = n1.edges || [];\n  //     n2.edges = n2.edges || [];\n  //     n1.edges.push(e);\n  //     n2.edges.push(e);\n  // }\n  // Init position\n\n  for (var i = 0; i < nodes.length; i++) {\n    var n = nodes[i];\n\n    if (!n.p) {\n      n.p = vec2.create(width * (Math.random() - 0.5) + center[0], height * (Math.random() - 0.5) + center[1]);\n    }\n\n    n.pp = vec2.clone(n.p);\n    n.edges = null;\n  } // Formula in 'Graph Drawing by Force-directed Placement'\n  // let k = scale * Math.sqrt(width * height / nodes.length);\n  // let k2 = k * k;\n\n\n  var initialFriction = opts.friction == null ? 0.6 : opts.friction;\n  var friction = initialFriction;\n  var beforeStepCallback;\n  var afterStepCallback;\n  return {\n    warmUp: function () {\n      friction = initialFriction * 0.8;\n    },\n    setFixed: function (idx) {\n      nodes[idx].fixed = true;\n    },\n    setUnfixed: function (idx) {\n      nodes[idx].fixed = false;\n    },\n\n    /**\n     * Before step hook\n     */\n    beforeStep: function (cb) {\n      beforeStepCallback = cb;\n    },\n\n    /**\n     * After step hook\n     */\n    afterStep: function (cb) {\n      afterStepCallback = cb;\n    },\n\n    /**\n     * Some formulas were originally copied from \"d3.js\"\n     * https://github.com/d3/d3/blob/b516d77fb8566b576088e73410437494717ada26/src/layout/force.js\n     * with some modifications made for this project.\n     * See the license statement at the head of this file.\n     */\n    step: function (cb) {\n      beforeStepCallback && beforeStepCallback(nodes, edges);\n      var v12 = [];\n      var nLen = nodes.length;\n\n      for (var i = 0; i < edges.length; i++) {\n        var e = edges[i];\n\n        if (e.ignoreForceLayout) {\n          continue;\n        }\n\n        var n1 = e.n1;\n        var n2 = e.n2;\n        vec2.sub(v12, n2.p, n1.p);\n        var d = vec2.len(v12) - e.d;\n        var w = n2.w / (n1.w + n2.w);\n\n        if (isNaN(w)) {\n          w = 0;\n        }\n\n        vec2.normalize(v12, v12);\n        !n1.fixed && scaleAndAdd(n1.p, n1.p, v12, w * d * friction);\n        !n2.fixed && scaleAndAdd(n2.p, n2.p, v12, -(1 - w) * d * friction);\n      } // Gravity\n\n\n      for (var i = 0; i < nLen; i++) {\n        var n = nodes[i];\n\n        if (!n.fixed) {\n          vec2.sub(v12, center, n.p); // let d = vec2.len(v12);\n          // vec2.scale(v12, v12, 1 / d);\n          // let gravityFactor = gravity;\n\n          scaleAndAdd(n.p, n.p, v12, gravity * friction);\n        }\n      } // Repulsive\n      // PENDING\n\n\n      for (var i = 0; i < nLen; i++) {\n        var n1 = nodes[i];\n\n        for (var j = i + 1; j < nLen; j++) {\n          var n2 = nodes[j];\n          vec2.sub(v12, n2.p, n1.p);\n          var d = vec2.len(v12);\n\n          if (d === 0) {\n            // Random repulse\n            vec2.set(v12, Math.random() - 0.5, Math.random() - 0.5);\n            d = 1;\n          }\n\n          var repFact = (n1.rep + n2.rep) / d / d;\n          !n1.fixed && scaleAndAdd(n1.pp, n1.pp, v12, repFact);\n          !n2.fixed && scaleAndAdd(n2.pp, n2.pp, v12, -repFact);\n        }\n      }\n\n      var v = [];\n\n      for (var i = 0; i < nLen; i++) {\n        var n = nodes[i];\n\n        if (!n.fixed) {\n          vec2.sub(v, n.p, n.pp);\n          scaleAndAdd(n.p, n.p, v, friction);\n          vec2.copy(n.pp, n.p);\n        }\n      }\n\n      friction = friction * 0.992;\n      var finished = friction < 0.01;\n      afterStepCallback && afterStepCallback(nodes, edges, finished);\n      cb && cb(finished);\n    }\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { forceLayout } from './forceHelper';\nimport { simpleLayout } from './simpleLayoutHelper';\nimport { circularLayout } from './circularLayoutHelper';\nimport { linearMap } from '../../util/number';\nimport * as vec2 from 'zrender/lib/core/vector';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { getCurvenessForEdge } from '../helper/multipleGraphEdgeHelper';\nexport default function graphForceLayout(ecModel) {\n  ecModel.eachSeriesByType('graph', function (graphSeries) {\n    var coordSys = graphSeries.coordinateSystem;\n\n    if (coordSys && coordSys.type !== 'view') {\n      return;\n    }\n\n    if (graphSeries.get('layout') === 'force') {\n      var preservedPoints_1 = graphSeries.preservedPoints || {};\n      var graph_1 = graphSeries.getGraph();\n      var nodeData_1 = graph_1.data;\n      var edgeData = graph_1.edgeData;\n      var forceModel = graphSeries.getModel('force');\n      var initLayout = forceModel.get('initLayout');\n\n      if (graphSeries.preservedPoints) {\n        nodeData_1.each(function (idx) {\n          var id = nodeData_1.getId(idx);\n          nodeData_1.setItemLayout(idx, preservedPoints_1[id] || [NaN, NaN]);\n        });\n      } else if (!initLayout || initLayout === 'none') {\n        simpleLayout(graphSeries);\n      } else if (initLayout === 'circular') {\n        circularLayout(graphSeries, 'value');\n      }\n\n      var nodeDataExtent_1 = nodeData_1.getDataExtent('value');\n      var edgeDataExtent_1 = edgeData.getDataExtent('value'); // let edgeDataExtent = edgeData.getDataExtent('value');\n\n      var repulsion = forceModel.get('repulsion');\n      var edgeLength = forceModel.get('edgeLength');\n      var repulsionArr_1 = zrUtil.isArray(repulsion) ? repulsion : [repulsion, repulsion];\n      var edgeLengthArr_1 = zrUtil.isArray(edgeLength) ? edgeLength : [edgeLength, edgeLength]; // Larger value has smaller length\n\n      edgeLengthArr_1 = [edgeLengthArr_1[1], edgeLengthArr_1[0]];\n      var nodes_1 = nodeData_1.mapArray('value', function (value, idx) {\n        var point = nodeData_1.getItemLayout(idx);\n        var rep = linearMap(value, nodeDataExtent_1, repulsionArr_1);\n\n        if (isNaN(rep)) {\n          rep = (repulsionArr_1[0] + repulsionArr_1[1]) / 2;\n        }\n\n        return {\n          w: rep,\n          rep: rep,\n          fixed: nodeData_1.getItemModel(idx).get('fixed'),\n          p: !point || isNaN(point[0]) || isNaN(point[1]) ? null : point\n        };\n      });\n      var edges = edgeData.mapArray('value', function (value, idx) {\n        var edge = graph_1.getEdgeByIndex(idx);\n        var d = linearMap(value, edgeDataExtent_1, edgeLengthArr_1);\n\n        if (isNaN(d)) {\n          d = (edgeLengthArr_1[0] + edgeLengthArr_1[1]) / 2;\n        }\n\n        var edgeModel = edge.getModel();\n        var curveness = zrUtil.retrieve3(edge.getModel().get(['lineStyle', 'curveness']), -getCurvenessForEdge(edge, graphSeries, idx, true), 0);\n        return {\n          n1: nodes_1[edge.node1.dataIndex],\n          n2: nodes_1[edge.node2.dataIndex],\n          d: d,\n          curveness: curveness,\n          ignoreForceLayout: edgeModel.get('ignoreForceLayout')\n        };\n      }); // let coordSys = graphSeries.coordinateSystem;\n\n      var rect = coordSys.getBoundingRect();\n      var forceInstance = forceLayout(nodes_1, edges, {\n        rect: rect,\n        gravity: forceModel.get('gravity'),\n        friction: forceModel.get('friction')\n      });\n      forceInstance.beforeStep(function (nodes, edges) {\n        for (var i = 0, l = nodes.length; i < l; i++) {\n          if (nodes[i].fixed) {\n            // Write back to layout instance\n            vec2.copy(nodes[i].p, graph_1.getNodeByIndex(i).getLayout());\n          }\n        }\n      });\n      forceInstance.afterStep(function (nodes, edges, stopped) {\n        for (var i = 0, l = nodes.length; i < l; i++) {\n          if (!nodes[i].fixed) {\n            graph_1.getNodeByIndex(i).setLayout(nodes[i].p);\n          }\n\n          preservedPoints_1[nodeData_1.getId(i)] = nodes[i].p;\n        }\n\n        for (var i = 0, l = edges.length; i < l; i++) {\n          var e = edges[i];\n          var edge = graph_1.getEdgeByIndex(i);\n          var p1 = e.n1.p;\n          var p2 = e.n2.p;\n          var points = edge.getLayout();\n          points = points ? points.slice() : [];\n          points[0] = points[0] || [];\n          points[1] = points[1] || [];\n          vec2.copy(points[0], p1);\n          vec2.copy(points[1], p2);\n\n          if (+e.curveness) {\n            points[2] = [(p1[0] + p2[0]) / 2 - (p1[1] - p2[1]) * e.curveness, (p1[1] + p2[1]) / 2 - (p2[0] - p1[0]) * e.curveness];\n          }\n\n          edge.setLayout(points);\n        }\n      });\n      graphSeries.forceLayout = forceInstance;\n      graphSeries.preservedPoints = preservedPoints_1; // Step to get the layout\n\n      forceInstance.step();\n    } else {\n      // Remove prev injected forceLayout instance\n      graphSeries.forceLayout = null;\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// FIXME Where to create the simple view coordinate system\nimport View from '../../coord/View';\nimport { getLayoutRect } from '../../util/layout';\nimport * as bbox from 'zrender/lib/core/bbox';\nimport { extend } from 'zrender/lib/core/util';\n\nfunction getViewRect(seriesModel, api, aspect) {\n  var option = extend(seriesModel.getBoxLayoutParams(), {\n    aspect: aspect\n  });\n  return getLayoutRect(option, {\n    width: api.getWidth(),\n    height: api.getHeight()\n  });\n}\n\nexport default function createViewCoordSys(ecModel, api) {\n  var viewList = [];\n  ecModel.eachSeriesByType('graph', function (seriesModel) {\n    var coordSysType = seriesModel.get('coordinateSystem');\n\n    if (!coordSysType || coordSysType === 'view') {\n      var data_1 = seriesModel.getData();\n      var positions = data_1.mapArray(function (idx) {\n        var itemModel = data_1.getItemModel(idx);\n        return [+itemModel.get('x'), +itemModel.get('y')];\n      });\n      var min = [];\n      var max = [];\n      bbox.fromPoints(positions, min, max); // If width or height is 0\n\n      if (max[0] - min[0] === 0) {\n        max[0] += 1;\n        min[0] -= 1;\n      }\n\n      if (max[1] - min[1] === 0) {\n        max[1] += 1;\n        min[1] -= 1;\n      }\n\n      var aspect = (max[0] - min[0]) / (max[1] - min[1]); // FIXME If get view rect after data processed?\n\n      var viewRect = getViewRect(seriesModel, api, aspect); // Position may be NaN, use view rect instead\n\n      if (isNaN(aspect)) {\n        min = [viewRect.x, viewRect.y];\n        max = [viewRect.x + viewRect.width, viewRect.y + viewRect.height];\n      }\n\n      var bbWidth = max[0] - min[0];\n      var bbHeight = max[1] - min[1];\n      var viewWidth = viewRect.width;\n      var viewHeight = viewRect.height;\n      var viewCoordSys = seriesModel.coordinateSystem = new View();\n      viewCoordSys.zoomLimit = seriesModel.get('scaleLimit');\n      viewCoordSys.setBoundingRect(min[0], min[1], bbWidth, bbHeight);\n      viewCoordSys.setViewRect(viewRect.x, viewRect.y, viewWidth, viewHeight); // Update roam info\n\n      viewCoordSys.setCenter(seriesModel.get('center'));\n      viewCoordSys.setZoom(seriesModel.get('zoom'));\n      viewList.push(viewCoordSys);\n    }\n  });\n  return viewList;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\n/**\n * Line path for bezier and straight line draw\n */\n\nimport * as graphic from '../../util/graphic';\nimport * as vec2 from 'zrender/lib/core/vector';\nvar straightLineProto = graphic.Line.prototype;\nvar bezierCurveProto = graphic.BezierCurve.prototype;\n\nvar StraightLineShape =\n/** @class */\nfunction () {\n  function StraightLineShape() {\n    // Start point\n    this.x1 = 0;\n    this.y1 = 0; // End point\n\n    this.x2 = 0;\n    this.y2 = 0;\n    this.percent = 1;\n  }\n\n  return StraightLineShape;\n}();\n\nvar CurveShape =\n/** @class */\nfunction (_super) {\n  __extends(CurveShape, _super);\n\n  function CurveShape() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  return CurveShape;\n}(StraightLineShape);\n\nfunction isStraightLine(shape) {\n  return isNaN(+shape.cpx1) || isNaN(+shape.cpy1);\n}\n\nvar ECLinePath =\n/** @class */\nfunction (_super) {\n  __extends(ECLinePath, _super);\n\n  function ECLinePath(opts) {\n    var _this = _super.call(this, opts) || this;\n\n    _this.type = 'ec-line';\n    return _this;\n  }\n\n  ECLinePath.prototype.getDefaultStyle = function () {\n    return {\n      stroke: '#000',\n      fill: null\n    };\n  };\n\n  ECLinePath.prototype.getDefaultShape = function () {\n    return new StraightLineShape();\n  };\n\n  ECLinePath.prototype.buildPath = function (ctx, shape) {\n    if (isStraightLine(shape)) {\n      straightLineProto.buildPath.call(this, ctx, shape);\n    } else {\n      bezierCurveProto.buildPath.call(this, ctx, shape);\n    }\n  };\n\n  ECLinePath.prototype.pointAt = function (t) {\n    if (isStraightLine(this.shape)) {\n      return straightLineProto.pointAt.call(this, t);\n    } else {\n      return bezierCurveProto.pointAt.call(this, t);\n    }\n  };\n\n  ECLinePath.prototype.tangentAt = function (t) {\n    var shape = this.shape;\n    var p = isStraightLine(shape) ? [shape.x2 - shape.x1, shape.y2 - shape.y1] : bezierCurveProto.tangentAt.call(this, t);\n    return vec2.normalize(p, p);\n  };\n\n  return ECLinePath;\n}(graphic.Path);\n\nexport default ECLinePath;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport { isArray, each, retrieve2 } from 'zrender/lib/core/util';\nimport * as vector from 'zrender/lib/core/vector';\nimport * as symbolUtil from '../../util/symbol';\nimport ECLinePath from './LinePath';\nimport * as graphic from '../../util/graphic';\nimport { enableHoverEmphasis, enterEmphasis, leaveEmphasis, SPECIAL_STATES } from '../../util/states';\nimport { getLabelStatesModels, setLabelStyle } from '../../label/labelStyle';\nimport { round, parsePercent } from '../../util/number';\nvar SYMBOL_CATEGORIES = ['fromSymbol', 'toSymbol'];\n\nfunction makeSymbolTypeKey(symbolCategory) {\n  return '_' + symbolCategory + 'Type';\n}\n/**\n * @inner\n */\n\n\nfunction createSymbol(name, lineData, idx) {\n  var symbolType = lineData.getItemVisual(idx, name);\n\n  if (!symbolType || symbolType === 'none') {\n    return;\n  }\n\n  var symbolSize = lineData.getItemVisual(idx, name + 'Size');\n  var symbolRotate = lineData.getItemVisual(idx, name + 'Rotate');\n  var symbolOffset = lineData.getItemVisual(idx, name + 'Offset') || 0;\n  var symbolKeepAspect = lineData.getItemVisual(idx, name + 'KeepAspect');\n  var symbolSizeArr = isArray(symbolSize) ? symbolSize : [symbolSize, symbolSize];\n  var symbolOffsetArr = isArray(symbolOffset) ? symbolOffset : [symbolOffset, symbolOffset];\n  symbolOffsetArr[0] = parsePercent(symbolOffsetArr[0], symbolSizeArr[0]);\n  symbolOffsetArr[1] = parsePercent(retrieve2(symbolOffsetArr[1], symbolOffsetArr[0]), symbolSizeArr[1]);\n  var symbolPath = symbolUtil.createSymbol(symbolType, -symbolSizeArr[0] / 2 + symbolOffsetArr[0], -symbolSizeArr[1] / 2 + symbolOffsetArr[1], symbolSizeArr[0], symbolSizeArr[1], null, symbolKeepAspect);\n  symbolPath.__specifiedRotation = symbolRotate == null || isNaN(symbolRotate) ? void 0 : +symbolRotate * Math.PI / 180 || 0;\n  symbolPath.name = name;\n  return symbolPath;\n}\n\nfunction createLine(points) {\n  var line = new ECLinePath({\n    name: 'line',\n    subPixelOptimize: true\n  });\n  setLinePoints(line.shape, points);\n  return line;\n}\n\nfunction setLinePoints(targetShape, points) {\n  targetShape.x1 = points[0][0];\n  targetShape.y1 = points[0][1];\n  targetShape.x2 = points[1][0];\n  targetShape.y2 = points[1][1];\n  targetShape.percent = 1;\n  var cp1 = points[2];\n\n  if (cp1) {\n    targetShape.cpx1 = cp1[0];\n    targetShape.cpy1 = cp1[1];\n  } else {\n    targetShape.cpx1 = NaN;\n    targetShape.cpy1 = NaN;\n  }\n}\n\nvar Line =\n/** @class */\nfunction (_super) {\n  __extends(Line, _super);\n\n  function Line(lineData, idx, seriesScope) {\n    var _this = _super.call(this) || this;\n\n    _this._createLine(lineData, idx, seriesScope);\n\n    return _this;\n  }\n\n  Line.prototype._createLine = function (lineData, idx, seriesScope) {\n    var seriesModel = lineData.hostModel;\n    var linePoints = lineData.getItemLayout(idx);\n    var line = createLine(linePoints);\n    line.shape.percent = 0;\n    graphic.initProps(line, {\n      shape: {\n        percent: 1\n      }\n    }, seriesModel, idx);\n    this.add(line);\n    each(SYMBOL_CATEGORIES, function (symbolCategory) {\n      var symbol = createSymbol(symbolCategory, lineData, idx); // symbols must added after line to make sure\n      // it will be updated after line#update.\n      // Or symbol position and rotation update in line#beforeUpdate will be one frame slow\n\n      this.add(symbol);\n      this[makeSymbolTypeKey(symbolCategory)] = lineData.getItemVisual(idx, symbolCategory);\n    }, this);\n\n    this._updateCommonStl(lineData, idx, seriesScope);\n  }; // TODO More strict on the List type in parameters?\n\n\n  Line.prototype.updateData = function (lineData, idx, seriesScope) {\n    var seriesModel = lineData.hostModel;\n    var line = this.childOfName('line');\n    var linePoints = lineData.getItemLayout(idx);\n    var target = {\n      shape: {}\n    };\n    setLinePoints(target.shape, linePoints);\n    graphic.updateProps(line, target, seriesModel, idx);\n    each(SYMBOL_CATEGORIES, function (symbolCategory) {\n      var symbolType = lineData.getItemVisual(idx, symbolCategory);\n      var key = makeSymbolTypeKey(symbolCategory); // Symbol changed\n\n      if (this[key] !== symbolType) {\n        this.remove(this.childOfName(symbolCategory));\n        var symbol = createSymbol(symbolCategory, lineData, idx);\n        this.add(symbol);\n      }\n\n      this[key] = symbolType;\n    }, this);\n\n    this._updateCommonStl(lineData, idx, seriesScope);\n  };\n\n  ;\n\n  Line.prototype.getLinePath = function () {\n    return this.childAt(0);\n  };\n\n  Line.prototype._updateCommonStl = function (lineData, idx, seriesScope) {\n    var seriesModel = lineData.hostModel;\n    var line = this.childOfName('line');\n    var emphasisLineStyle = seriesScope && seriesScope.emphasisLineStyle;\n    var blurLineStyle = seriesScope && seriesScope.blurLineStyle;\n    var selectLineStyle = seriesScope && seriesScope.selectLineStyle;\n    var labelStatesModels = seriesScope && seriesScope.labelStatesModels; // Optimization for large dataset\n\n    if (!seriesScope || lineData.hasItemOption) {\n      var itemModel = lineData.getItemModel(idx);\n      emphasisLineStyle = itemModel.getModel(['emphasis', 'lineStyle']).getLineStyle();\n      blurLineStyle = itemModel.getModel(['blur', 'lineStyle']).getLineStyle();\n      selectLineStyle = itemModel.getModel(['select', 'lineStyle']).getLineStyle();\n      labelStatesModels = getLabelStatesModels(itemModel);\n    }\n\n    var lineStyle = lineData.getItemVisual(idx, 'style');\n    var visualColor = lineStyle.stroke;\n    line.useStyle(lineStyle);\n    line.style.fill = null;\n    line.style.strokeNoScale = true;\n    line.ensureState('emphasis').style = emphasisLineStyle;\n    line.ensureState('blur').style = blurLineStyle;\n    line.ensureState('select').style = selectLineStyle; // Update symbol\n\n    each(SYMBOL_CATEGORIES, function (symbolCategory) {\n      var symbol = this.childOfName(symbolCategory);\n\n      if (symbol) {\n        // Share opacity and color with line.\n        symbol.setColor(visualColor);\n        symbol.style.opacity = lineStyle.opacity;\n\n        for (var i = 0; i < SPECIAL_STATES.length; i++) {\n          var stateName = SPECIAL_STATES[i];\n          var lineState = line.getState(stateName);\n\n          if (lineState) {\n            var lineStateStyle = lineState.style || {};\n            var state = symbol.ensureState(stateName);\n            var stateStyle = state.style || (state.style = {});\n\n            if (lineStateStyle.stroke != null) {\n              stateStyle[symbol.__isEmptyBrush ? 'stroke' : 'fill'] = lineStateStyle.stroke;\n            }\n\n            if (lineStateStyle.opacity != null) {\n              stateStyle.opacity = lineStateStyle.opacity;\n            }\n          }\n        }\n\n        symbol.markRedraw();\n      }\n    }, this);\n    var rawVal = seriesModel.getRawValue(idx);\n    setLabelStyle(this, labelStatesModels, {\n      labelDataIndex: idx,\n      labelFetcher: {\n        getFormattedLabel: function (dataIndex, stateName) {\n          return seriesModel.getFormattedLabel(dataIndex, stateName, lineData.dataType);\n        }\n      },\n      inheritColor: visualColor || '#000',\n      defaultOpacity: lineStyle.opacity,\n      defaultText: (rawVal == null ? lineData.getName(idx) : isFinite(rawVal) ? round(rawVal) : rawVal) + ''\n    });\n    var label = this.getTextContent(); // Always set `textStyle` even if `normalStyle.text` is null, because default\n    // values have to be set on `normalStyle`.\n\n    if (label) {\n      var labelNormalModel = labelStatesModels.normal;\n      label.__align = label.style.align;\n      label.__verticalAlign = label.style.verticalAlign; // 'start', 'middle', 'end'\n\n      label.__position = labelNormalModel.get('position') || 'middle';\n      var distance = labelNormalModel.get('distance');\n\n      if (!isArray(distance)) {\n        distance = [distance, distance];\n      }\n\n      label.__labelDistance = distance;\n    }\n\n    this.setTextConfig({\n      position: null,\n      local: true,\n      inside: false // Can't be inside for stroke element.\n\n    });\n    enableHoverEmphasis(this);\n  };\n\n  Line.prototype.highlight = function () {\n    enterEmphasis(this);\n  };\n\n  Line.prototype.downplay = function () {\n    leaveEmphasis(this);\n  };\n\n  Line.prototype.updateLayout = function (lineData, idx) {\n    this.setLinePoints(lineData.getItemLayout(idx));\n  };\n\n  Line.prototype.setLinePoints = function (points) {\n    var linePath = this.childOfName('line');\n    setLinePoints(linePath.shape, points);\n    linePath.dirty();\n  };\n\n  Line.prototype.beforeUpdate = function () {\n    var lineGroup = this;\n    var symbolFrom = lineGroup.childOfName('fromSymbol');\n    var symbolTo = lineGroup.childOfName('toSymbol');\n    var label = lineGroup.getTextContent(); // Quick reject\n\n    if (!symbolFrom && !symbolTo && (!label || label.ignore)) {\n      return;\n    }\n\n    var invScale = 1;\n    var parentNode = this.parent;\n\n    while (parentNode) {\n      if (parentNode.scaleX) {\n        invScale /= parentNode.scaleX;\n      }\n\n      parentNode = parentNode.parent;\n    }\n\n    var line = lineGroup.childOfName('line'); // If line not changed\n    // FIXME Parent scale changed\n\n    if (!this.__dirty && !line.__dirty) {\n      return;\n    }\n\n    var percent = line.shape.percent;\n    var fromPos = line.pointAt(0);\n    var toPos = line.pointAt(percent);\n    var d = vector.sub([], toPos, fromPos);\n    vector.normalize(d, d);\n\n    function setSymbolRotation(symbol, percent) {\n      // Fix #12388\n      // when symbol is set to be 'arrow' in markLine,\n      // symbolRotate value will be ignored, and compulsively use tangent angle.\n      // rotate by default if symbol rotation is not specified\n      var specifiedRotation = symbol.__specifiedRotation;\n\n      if (specifiedRotation == null) {\n        var tangent = line.tangentAt(percent);\n        symbol.attr('rotation', (percent === 1 ? -1 : 1) * Math.PI / 2 - Math.atan2(tangent[1], tangent[0]));\n      } else {\n        symbol.attr('rotation', specifiedRotation);\n      }\n    }\n\n    if (symbolFrom) {\n      symbolFrom.setPosition(fromPos);\n      setSymbolRotation(symbolFrom, 0);\n      symbolFrom.scaleX = symbolFrom.scaleY = invScale * percent;\n      symbolFrom.markRedraw();\n    }\n\n    if (symbolTo) {\n      symbolTo.setPosition(toPos);\n      setSymbolRotation(symbolTo, 1);\n      symbolTo.scaleX = symbolTo.scaleY = invScale * percent;\n      symbolTo.markRedraw();\n    }\n\n    if (label && !label.ignore) {\n      label.x = label.y = 0;\n      label.originX = label.originY = 0;\n      var textAlign = void 0;\n      var textVerticalAlign = void 0;\n      var distance = label.__labelDistance;\n      var distanceX = distance[0] * invScale;\n      var distanceY = distance[1] * invScale;\n      var halfPercent = percent / 2;\n      var tangent = line.tangentAt(halfPercent);\n      var n = [tangent[1], -tangent[0]];\n      var cp = line.pointAt(halfPercent);\n\n      if (n[1] > 0) {\n        n[0] = -n[0];\n        n[1] = -n[1];\n      }\n\n      var dir = tangent[0] < 0 ? -1 : 1;\n\n      if (label.__position !== 'start' && label.__position !== 'end') {\n        var rotation = -Math.atan2(tangent[1], tangent[0]);\n\n        if (toPos[0] < fromPos[0]) {\n          rotation = Math.PI + rotation;\n        }\n\n        label.rotation = rotation;\n      }\n\n      var dy = void 0;\n\n      switch (label.__position) {\n        case 'insideStartTop':\n        case 'insideMiddleTop':\n        case 'insideEndTop':\n        case 'middle':\n          dy = -distanceY;\n          textVerticalAlign = 'bottom';\n          break;\n\n        case 'insideStartBottom':\n        case 'insideMiddleBottom':\n        case 'insideEndBottom':\n          dy = distanceY;\n          textVerticalAlign = 'top';\n          break;\n\n        default:\n          dy = 0;\n          textVerticalAlign = 'middle';\n      }\n\n      switch (label.__position) {\n        case 'end':\n          label.x = d[0] * distanceX + toPos[0];\n          label.y = d[1] * distanceY + toPos[1];\n          textAlign = d[0] > 0.8 ? 'left' : d[0] < -0.8 ? 'right' : 'center';\n          textVerticalAlign = d[1] > 0.8 ? 'top' : d[1] < -0.8 ? 'bottom' : 'middle';\n          break;\n\n        case 'start':\n          label.x = -d[0] * distanceX + fromPos[0];\n          label.y = -d[1] * distanceY + fromPos[1];\n          textAlign = d[0] > 0.8 ? 'right' : d[0] < -0.8 ? 'left' : 'center';\n          textVerticalAlign = d[1] > 0.8 ? 'bottom' : d[1] < -0.8 ? 'top' : 'middle';\n          break;\n\n        case 'insideStartTop':\n        case 'insideStart':\n        case 'insideStartBottom':\n          label.x = distanceX * dir + fromPos[0];\n          label.y = fromPos[1] + dy;\n          textAlign = tangent[0] < 0 ? 'right' : 'left';\n          label.originX = -distanceX * dir;\n          label.originY = -dy;\n          break;\n\n        case 'insideMiddleTop':\n        case 'insideMiddle':\n        case 'insideMiddleBottom':\n        case 'middle':\n          label.x = cp[0];\n          label.y = cp[1] + dy;\n          textAlign = 'center';\n          label.originY = -dy;\n          break;\n\n        case 'insideEndTop':\n        case 'insideEnd':\n        case 'insideEndBottom':\n          label.x = -distanceX * dir + toPos[0];\n          label.y = toPos[1] + dy;\n          textAlign = tangent[0] >= 0 ? 'right' : 'left';\n          label.originX = distanceX * dir;\n          label.originY = -dy;\n          break;\n      }\n\n      label.scaleX = label.scaleY = invScale;\n      label.setStyle({\n        // Use the user specified text align and baseline first\n        verticalAlign: label.__verticalAlign || textVerticalAlign,\n        align: label.__align || textAlign\n      });\n    }\n  };\n\n  return Line;\n}(graphic.Group);\n\nexport default Line;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as graphic from '../../util/graphic';\nimport LineGroup from './Line';\nimport { getLabelStatesModels } from '../../label/labelStyle';\n\nvar LineDraw =\n/** @class */\nfunction () {\n  function LineDraw(LineCtor) {\n    this.group = new graphic.Group();\n    this._LineCtor = LineCtor || LineGroup;\n  }\n\n  LineDraw.prototype.isPersistent = function () {\n    return true;\n  };\n\n  ;\n\n  LineDraw.prototype.updateData = function (lineData) {\n    var _this = this;\n\n    var lineDraw = this;\n    var group = lineDraw.group;\n    var oldLineData = lineDraw._lineData;\n    lineDraw._lineData = lineData; // There is no oldLineData only when first rendering or switching from\n    // stream mode to normal mode, where previous elements should be removed.\n\n    if (!oldLineData) {\n      group.removeAll();\n    }\n\n    var seriesScope = makeSeriesScope(lineData);\n    lineData.diff(oldLineData).add(function (idx) {\n      _this._doAdd(lineData, idx, seriesScope);\n    }).update(function (newIdx, oldIdx) {\n      _this._doUpdate(oldLineData, lineData, oldIdx, newIdx, seriesScope);\n    }).remove(function (idx) {\n      group.remove(oldLineData.getItemGraphicEl(idx));\n    }).execute();\n  };\n\n  ;\n\n  LineDraw.prototype.updateLayout = function () {\n    var lineData = this._lineData; // Do not support update layout in incremental mode.\n\n    if (!lineData) {\n      return;\n    }\n\n    lineData.eachItemGraphicEl(function (el, idx) {\n      el.updateLayout(lineData, idx);\n    }, this);\n  };\n\n  ;\n\n  LineDraw.prototype.incrementalPrepareUpdate = function (lineData) {\n    this._seriesScope = makeSeriesScope(lineData);\n    this._lineData = null;\n    this.group.removeAll();\n  };\n\n  ;\n\n  LineDraw.prototype.incrementalUpdate = function (taskParams, lineData) {\n    function updateIncrementalAndHover(el) {\n      if (!el.isGroup && !isEffectObject(el)) {\n        el.incremental = true;\n        el.ensureState('emphasis').hoverLayer = true;\n      }\n    }\n\n    for (var idx = taskParams.start; idx < taskParams.end; idx++) {\n      var itemLayout = lineData.getItemLayout(idx);\n\n      if (lineNeedsDraw(itemLayout)) {\n        var el = new this._LineCtor(lineData, idx, this._seriesScope);\n        el.traverse(updateIncrementalAndHover);\n        this.group.add(el);\n        lineData.setItemGraphicEl(idx, el);\n      }\n    }\n  };\n\n  ;\n\n  LineDraw.prototype.remove = function () {\n    this.group.removeAll();\n  };\n\n  ;\n\n  LineDraw.prototype._doAdd = function (lineData, idx, seriesScope) {\n    var itemLayout = lineData.getItemLayout(idx);\n\n    if (!lineNeedsDraw(itemLayout)) {\n      return;\n    }\n\n    var el = new this._LineCtor(lineData, idx, seriesScope);\n    lineData.setItemGraphicEl(idx, el);\n    this.group.add(el);\n  };\n\n  LineDraw.prototype._doUpdate = function (oldLineData, newLineData, oldIdx, newIdx, seriesScope) {\n    var itemEl = oldLineData.getItemGraphicEl(oldIdx);\n\n    if (!lineNeedsDraw(newLineData.getItemLayout(newIdx))) {\n      this.group.remove(itemEl);\n      return;\n    }\n\n    if (!itemEl) {\n      itemEl = new this._LineCtor(newLineData, newIdx, seriesScope);\n    } else {\n      itemEl.updateData(newLineData, newIdx, seriesScope);\n    }\n\n    newLineData.setItemGraphicEl(newIdx, itemEl);\n    this.group.add(itemEl);\n  };\n\n  return LineDraw;\n}();\n\nfunction isEffectObject(el) {\n  return el.animators && el.animators.length > 0;\n}\n\nfunction makeSeriesScope(lineData) {\n  var hostModel = lineData.hostModel;\n  return {\n    lineStyle: hostModel.getModel('lineStyle').getLineStyle(),\n    emphasisLineStyle: hostModel.getModel(['emphasis', 'lineStyle']).getLineStyle(),\n    blurLineStyle: hostModel.getModel(['blur', 'lineStyle']).getLineStyle(),\n    selectLineStyle: hostModel.getModel(['select', 'lineStyle']).getLineStyle(),\n    labelStatesModels: getLabelStatesModels(hostModel)\n  };\n}\n\nfunction isPointNaN(pt) {\n  return isNaN(pt[0]) || isNaN(pt[1]);\n}\n\nfunction lineNeedsDraw(pts) {\n  return !isPointNaN(pts[0]) && !isPointNaN(pts[1]);\n}\n\nexport default LineDraw;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as curveTool from 'zrender/lib/core/curve';\nimport * as vec2 from 'zrender/lib/core/vector';\nimport { getSymbolSize } from './graphHelper';\nvar v1 = [];\nvar v2 = [];\nvar v3 = [];\nvar quadraticAt = curveTool.quadraticAt;\nvar v2DistSquare = vec2.distSquare;\nvar mathAbs = Math.abs;\n\nfunction intersectCurveCircle(curvePoints, center, radius) {\n  var p0 = curvePoints[0];\n  var p1 = curvePoints[1];\n  var p2 = curvePoints[2];\n  var d = Infinity;\n  var t;\n  var radiusSquare = radius * radius;\n  var interval = 0.1;\n\n  for (var _t = 0.1; _t <= 0.9; _t += 0.1) {\n    v1[0] = quadraticAt(p0[0], p1[0], p2[0], _t);\n    v1[1] = quadraticAt(p0[1], p1[1], p2[1], _t);\n    var diff = mathAbs(v2DistSquare(v1, center) - radiusSquare);\n\n    if (diff < d) {\n      d = diff;\n      t = _t;\n    }\n  } // Assume the segment is monotone，Find root through Bisection method\n  // At most 32 iteration\n\n\n  for (var i = 0; i < 32; i++) {\n    // let prev = t - interval;\n    var next = t + interval; // v1[0] = quadraticAt(p0[0], p1[0], p2[0], prev);\n    // v1[1] = quadraticAt(p0[1], p1[1], p2[1], prev);\n\n    v2[0] = quadraticAt(p0[0], p1[0], p2[0], t);\n    v2[1] = quadraticAt(p0[1], p1[1], p2[1], t);\n    v3[0] = quadraticAt(p0[0], p1[0], p2[0], next);\n    v3[1] = quadraticAt(p0[1], p1[1], p2[1], next);\n    var diff = v2DistSquare(v2, center) - radiusSquare;\n\n    if (mathAbs(diff) < 1e-2) {\n      break;\n    } // let prevDiff = v2DistSquare(v1, center) - radiusSquare;\n\n\n    var nextDiff = v2DistSquare(v3, center) - radiusSquare;\n    interval /= 2;\n\n    if (diff < 0) {\n      if (nextDiff >= 0) {\n        t = t + interval;\n      } else {\n        t = t - interval;\n      }\n    } else {\n      if (nextDiff >= 0) {\n        t = t - interval;\n      } else {\n        t = t + interval;\n      }\n    }\n  }\n\n  return t;\n} // Adjust edge to avoid\n\n\nexport default function adjustEdge(graph, scale) {\n  var tmp0 = [];\n  var quadraticSubdivide = curveTool.quadraticSubdivide;\n  var pts = [[], [], []];\n  var pts2 = [[], []];\n  var v = [];\n  scale /= 2;\n  graph.eachEdge(function (edge, idx) {\n    var linePoints = edge.getLayout();\n    var fromSymbol = edge.getVisual('fromSymbol');\n    var toSymbol = edge.getVisual('toSymbol');\n\n    if (!linePoints.__original) {\n      linePoints.__original = [vec2.clone(linePoints[0]), vec2.clone(linePoints[1])];\n\n      if (linePoints[2]) {\n        linePoints.__original.push(vec2.clone(linePoints[2]));\n      }\n    }\n\n    var originalPoints = linePoints.__original; // Quadratic curve\n\n    if (linePoints[2] != null) {\n      vec2.copy(pts[0], originalPoints[0]);\n      vec2.copy(pts[1], originalPoints[2]);\n      vec2.copy(pts[2], originalPoints[1]);\n\n      if (fromSymbol && fromSymbol !== 'none') {\n        var symbolSize = getSymbolSize(edge.node1);\n        var t = intersectCurveCircle(pts, originalPoints[0], symbolSize * scale); // Subdivide and get the second\n\n        quadraticSubdivide(pts[0][0], pts[1][0], pts[2][0], t, tmp0);\n        pts[0][0] = tmp0[3];\n        pts[1][0] = tmp0[4];\n        quadraticSubdivide(pts[0][1], pts[1][1], pts[2][1], t, tmp0);\n        pts[0][1] = tmp0[3];\n        pts[1][1] = tmp0[4];\n      }\n\n      if (toSymbol && toSymbol !== 'none') {\n        var symbolSize = getSymbolSize(edge.node2);\n        var t = intersectCurveCircle(pts, originalPoints[1], symbolSize * scale); // Subdivide and get the first\n\n        quadraticSubdivide(pts[0][0], pts[1][0], pts[2][0], t, tmp0);\n        pts[1][0] = tmp0[1];\n        pts[2][0] = tmp0[2];\n        quadraticSubdivide(pts[0][1], pts[1][1], pts[2][1], t, tmp0);\n        pts[1][1] = tmp0[1];\n        pts[2][1] = tmp0[2];\n      } // Copy back to layout\n\n\n      vec2.copy(linePoints[0], pts[0]);\n      vec2.copy(linePoints[1], pts[2]);\n      vec2.copy(linePoints[2], pts[1]);\n    } // Line\n    else {\n        vec2.copy(pts2[0], originalPoints[0]);\n        vec2.copy(pts2[1], originalPoints[1]);\n        vec2.sub(v, pts2[1], pts2[0]);\n        vec2.normalize(v, v);\n\n        if (fromSymbol && fromSymbol !== 'none') {\n          var symbolSize = getSymbolSize(edge.node1);\n          vec2.scaleAndAdd(pts2[0], pts2[0], v, symbolSize * scale);\n        }\n\n        if (toSymbol && toSymbol !== 'none') {\n          var symbolSize = getSymbolSize(edge.node2);\n          vec2.scaleAndAdd(pts2[1], pts2[1], v, -symbolSize * scale);\n        }\n\n        vec2.copy(linePoints[0], pts2[0]);\n        vec2.copy(linePoints[1], pts2[1]);\n      }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport SymbolDraw from '../helper/SymbolDraw';\nimport LineDraw from '../helper/LineDraw';\nimport RoamController from '../../component/helper/RoamController';\nimport * as roamHelper from '../../component/helper/roamHelper';\nimport { onIrrelevantElement } from '../../component/helper/cursorHelper';\nimport * as graphic from '../../util/graphic';\nimport adjustEdge from './adjustEdge';\nimport { getNodeGlobalScale } from './graphHelper';\nimport ChartView from '../../view/Chart';\nimport { getECData } from '../../util/innerStore';\n\nfunction isViewCoordSys(coordSys) {\n  return coordSys.type === 'view';\n}\n\nvar GraphView =\n/** @class */\nfunction (_super) {\n  __extends(GraphView, _super);\n\n  function GraphView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = GraphView.type;\n    return _this;\n  }\n\n  GraphView.prototype.init = function (ecModel, api) {\n    var symbolDraw = new SymbolDraw();\n    var lineDraw = new LineDraw();\n    var group = this.group;\n    this._controller = new RoamController(api.getZr());\n    this._controllerHost = {\n      target: group\n    };\n    group.add(symbolDraw.group);\n    group.add(lineDraw.group);\n    this._symbolDraw = symbolDraw;\n    this._lineDraw = lineDraw;\n    this._firstRender = true;\n  };\n\n  GraphView.prototype.render = function (seriesModel, ecModel, api) {\n    var _this = this;\n\n    var coordSys = seriesModel.coordinateSystem;\n    this._model = seriesModel;\n    var symbolDraw = this._symbolDraw;\n    var lineDraw = this._lineDraw;\n    var group = this.group;\n\n    if (isViewCoordSys(coordSys)) {\n      var groupNewProp = {\n        x: coordSys.x,\n        y: coordSys.y,\n        scaleX: coordSys.scaleX,\n        scaleY: coordSys.scaleY\n      };\n\n      if (this._firstRender) {\n        group.attr(groupNewProp);\n      } else {\n        graphic.updateProps(group, groupNewProp, seriesModel);\n      }\n    } // Fix edge contact point with node\n\n\n    adjustEdge(seriesModel.getGraph(), getNodeGlobalScale(seriesModel));\n    var data = seriesModel.getData();\n    symbolDraw.updateData(data);\n    var edgeData = seriesModel.getEdgeData(); // TODO: TYPE\n\n    lineDraw.updateData(edgeData);\n\n    this._updateNodeAndLinkScale();\n\n    this._updateController(seriesModel, ecModel, api);\n\n    clearTimeout(this._layoutTimeout);\n    var forceLayout = seriesModel.forceLayout;\n    var layoutAnimation = seriesModel.get(['force', 'layoutAnimation']);\n\n    if (forceLayout) {\n      this._startForceLayoutIteration(forceLayout, layoutAnimation);\n    }\n\n    data.graph.eachNode(function (node) {\n      var idx = node.dataIndex;\n      var el = node.getGraphicEl();\n      var itemModel = node.getModel(); // Update draggable\n\n      el.off('drag').off('dragend');\n      var draggable = itemModel.get('draggable');\n\n      if (draggable) {\n        el.on('drag', function () {\n          if (forceLayout) {\n            forceLayout.warmUp();\n            !_this._layouting && _this._startForceLayoutIteration(forceLayout, layoutAnimation);\n            forceLayout.setFixed(idx); // Write position back to layout\n\n            data.setItemLayout(idx, [el.x, el.y]);\n          }\n        }).on('dragend', function () {\n          if (forceLayout) {\n            forceLayout.setUnfixed(idx);\n          }\n        });\n      }\n\n      el.setDraggable(draggable && !!forceLayout);\n      var focus = itemModel.get(['emphasis', 'focus']);\n\n      if (focus === 'adjacency') {\n        getECData(el).focus = node.getAdjacentDataIndices();\n      }\n    });\n    data.graph.eachEdge(function (edge) {\n      var el = edge.getGraphicEl();\n      var focus = edge.getModel().get(['emphasis', 'focus']);\n\n      if (focus === 'adjacency') {\n        getECData(el).focus = {\n          edge: [edge.dataIndex],\n          node: [edge.node1.dataIndex, edge.node2.dataIndex]\n        };\n      }\n    });\n    var circularRotateLabel = seriesModel.get('layout') === 'circular' && seriesModel.get(['circular', 'rotateLabel']);\n    var cx = data.getLayout('cx');\n    var cy = data.getLayout('cy');\n    data.eachItemGraphicEl(function (el, idx) {\n      var itemModel = data.getItemModel(idx);\n      var labelRotate = itemModel.get(['label', 'rotate']) || 0;\n      var symbolPath = el.getSymbolPath();\n\n      if (circularRotateLabel) {\n        var pos = data.getItemLayout(idx);\n        var rad = Math.atan2(pos[1] - cy, pos[0] - cx);\n\n        if (rad < 0) {\n          rad = Math.PI * 2 + rad;\n        }\n\n        var isLeft = pos[0] < cx;\n\n        if (isLeft) {\n          rad = rad - Math.PI;\n        }\n\n        var textPosition = isLeft ? 'left' : 'right';\n        symbolPath.setTextConfig({\n          rotation: -rad,\n          position: textPosition,\n          origin: 'center'\n        });\n        var emphasisState = symbolPath.ensureState('emphasis');\n        zrUtil.extend(emphasisState.textConfig || (emphasisState.textConfig = {}), {\n          position: textPosition\n        });\n      } else {\n        symbolPath.setTextConfig({\n          rotation: labelRotate *= Math.PI / 180\n        });\n      }\n    });\n    this._firstRender = false;\n  };\n\n  GraphView.prototype.dispose = function () {\n    this._controller && this._controller.dispose();\n    this._controllerHost = null;\n  };\n\n  GraphView.prototype._startForceLayoutIteration = function (forceLayout, layoutAnimation) {\n    var self = this;\n\n    (function step() {\n      forceLayout.step(function (stopped) {\n        self.updateLayout(self._model);\n        (self._layouting = !stopped) && (layoutAnimation ? self._layoutTimeout = setTimeout(step, 16) : step());\n      });\n    })();\n  };\n\n  GraphView.prototype._updateController = function (seriesModel, ecModel, api) {\n    var _this = this;\n\n    var controller = this._controller;\n    var controllerHost = this._controllerHost;\n    var group = this.group;\n    controller.setPointerChecker(function (e, x, y) {\n      var rect = group.getBoundingRect();\n      rect.applyTransform(group.transform);\n      return rect.contain(x, y) && !onIrrelevantElement(e, api, seriesModel);\n    });\n\n    if (!isViewCoordSys(seriesModel.coordinateSystem)) {\n      controller.disable();\n      return;\n    }\n\n    controller.enable(seriesModel.get('roam'));\n    controllerHost.zoomLimit = seriesModel.get('scaleLimit');\n    controllerHost.zoom = seriesModel.coordinateSystem.getZoom();\n    controller.off('pan').off('zoom').on('pan', function (e) {\n      roamHelper.updateViewOnPan(controllerHost, e.dx, e.dy);\n      api.dispatchAction({\n        seriesId: seriesModel.id,\n        type: 'graphRoam',\n        dx: e.dx,\n        dy: e.dy\n      });\n    }).on('zoom', function (e) {\n      roamHelper.updateViewOnZoom(controllerHost, e.scale, e.originX, e.originY);\n      api.dispatchAction({\n        seriesId: seriesModel.id,\n        type: 'graphRoam',\n        zoom: e.scale,\n        originX: e.originX,\n        originY: e.originY\n      });\n\n      _this._updateNodeAndLinkScale();\n\n      adjustEdge(seriesModel.getGraph(), getNodeGlobalScale(seriesModel));\n\n      _this._lineDraw.updateLayout(); // Only update label layout on zoom\n\n\n      api.updateLabelLayout();\n    });\n  };\n\n  GraphView.prototype._updateNodeAndLinkScale = function () {\n    var seriesModel = this._model;\n    var data = seriesModel.getData();\n    var nodeScale = getNodeGlobalScale(seriesModel);\n    data.eachItemGraphicEl(function (el, idx) {\n      el.setSymbolScale(nodeScale);\n    });\n  };\n\n  GraphView.prototype.updateLayout = function (seriesModel) {\n    adjustEdge(seriesModel.getGraph(), getNodeGlobalScale(seriesModel));\n\n    this._symbolDraw.updateLayout();\n\n    this._lineDraw.updateLayout();\n  };\n\n  GraphView.prototype.remove = function (ecModel, api) {\n    this._symbolDraw && this._symbolDraw.remove();\n    this._lineDraw && this._lineDraw.remove();\n  };\n\n  GraphView.type = 'graph';\n  return GraphView;\n}(ChartView);\n\nexport default GraphView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport List from '../../data/List';\nimport Graph from '../../data/Graph';\nimport linkList from '../../data/helper/linkList';\nimport createDimensions from '../../data/helper/createDimensions';\nimport CoordinateSystem from '../../core/CoordinateSystem';\nimport createListFromArray from './createListFromArray';\nimport { convertOptionIdName } from '../../util/model';\nexport default function createGraphFromNodeEdge(nodes, edges, seriesModel, directed, beforeLink) {\n  // ??? TODO\n  // support dataset?\n  var graph = new Graph(directed);\n\n  for (var i = 0; i < nodes.length; i++) {\n    graph.addNode(zrUtil.retrieve( // Id, name, dataIndex\n    nodes[i].id, nodes[i].name, i), i);\n  }\n\n  var linkNameList = [];\n  var validEdges = [];\n  var linkCount = 0;\n\n  for (var i = 0; i < edges.length; i++) {\n    var link = edges[i];\n    var source = link.source;\n    var target = link.target; // addEdge may fail when source or target not exists\n\n    if (graph.addEdge(source, target, linkCount)) {\n      validEdges.push(link);\n      linkNameList.push(zrUtil.retrieve(convertOptionIdName(link.id, null), source + ' > ' + target));\n      linkCount++;\n    }\n  }\n\n  var coordSys = seriesModel.get('coordinateSystem');\n  var nodeData;\n\n  if (coordSys === 'cartesian2d' || coordSys === 'polar') {\n    nodeData = createListFromArray(nodes, seriesModel);\n  } else {\n    var coordSysCtor = CoordinateSystem.get(coordSys);\n    var coordDimensions = coordSysCtor ? coordSysCtor.dimensions || [] : []; // FIXME: Some geo do not need `value` dimenson, whereas `calendar` needs\n    // `value` dimension, but graph need `value` dimension. It's better to\n    // uniform this behavior.\n\n    if (zrUtil.indexOf(coordDimensions, 'value') < 0) {\n      coordDimensions.concat(['value']);\n    }\n\n    var dimensionNames = createDimensions(nodes, {\n      coordDimensions: coordDimensions\n    });\n    nodeData = new List(dimensionNames, seriesModel);\n    nodeData.initData(nodes);\n  }\n\n  var edgeData = new List(['value'], seriesModel);\n  edgeData.initData(validEdges, linkNameList);\n  beforeLink && beforeLink(nodeData, edgeData);\n  linkList({\n    mainData: nodeData,\n    struct: graph,\n    structAttr: 'graph',\n    datas: {\n      node: nodeData,\n      edge: edgeData\n    },\n    datasAttr: {\n      node: 'data',\n      edge: 'edgeData'\n    }\n  }); // Update dataIndex of nodes and edges because invalid edge may be removed\n\n  graph.update();\n  return graph;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport List from '../../data/List';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { defaultEmphasis } from '../../util/model';\nimport Model from '../../model/Model';\nimport createGraphFromNodeEdge from '../helper/createGraphFromNodeEdge';\nimport LegendVisualProvider from '../../visual/LegendVisualProvider';\nimport SeriesModel from '../../model/Series';\nimport { createTooltipMarkup } from '../../component/tooltip/tooltipMarkup';\nimport { defaultSeriesFormatTooltip } from '../../component/tooltip/seriesFormatTooltip';\nimport { initCurvenessList, createEdgeMapForCurveness } from '../helper/multipleGraphEdgeHelper';\n\nvar GraphSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(GraphSeriesModel, _super);\n\n  function GraphSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = GraphSeriesModel.type;\n    _this.hasSymbolVisual = true;\n    return _this;\n  }\n\n  GraphSeriesModel.prototype.init = function (option) {\n    _super.prototype.init.apply(this, arguments);\n\n    var self = this;\n\n    function getCategoriesData() {\n      return self._categoriesData;\n    } // Provide data for legend select\n\n\n    this.legendVisualProvider = new LegendVisualProvider(getCategoriesData, getCategoriesData);\n    this.fillDataTextStyle(option.edges || option.links);\n\n    this._updateCategoriesData();\n  };\n\n  GraphSeriesModel.prototype.mergeOption = function (option) {\n    _super.prototype.mergeOption.apply(this, arguments);\n\n    this.fillDataTextStyle(option.edges || option.links);\n\n    this._updateCategoriesData();\n  };\n\n  GraphSeriesModel.prototype.mergeDefaultAndTheme = function (option) {\n    _super.prototype.mergeDefaultAndTheme.apply(this, arguments);\n\n    defaultEmphasis(option, 'edgeLabel', ['show']);\n  };\n\n  GraphSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    var edges = option.edges || option.links || [];\n    var nodes = option.data || option.nodes || [];\n    var self = this;\n\n    if (nodes && edges) {\n      // auto curveness\n      initCurvenessList(this);\n      var graph = createGraphFromNodeEdge(nodes, edges, this, true, beforeLink);\n      zrUtil.each(graph.edges, function (edge) {\n        createEdgeMapForCurveness(edge.node1, edge.node2, this, edge.dataIndex);\n      }, this);\n      return graph.data;\n    }\n\n    function beforeLink(nodeData, edgeData) {\n      // Overwrite nodeData.getItemModel to\n      nodeData.wrapMethod('getItemModel', function (model) {\n        var categoriesModels = self._categoriesModels;\n        var categoryIdx = model.getShallow('category');\n        var categoryModel = categoriesModels[categoryIdx];\n\n        if (categoryModel) {\n          categoryModel.parentModel = model.parentModel;\n          model.parentModel = categoryModel;\n        }\n\n        return model;\n      }); // TODO Inherit resolveParentPath by default in Model#getModel?\n\n      var oldGetModel = Model.prototype.getModel;\n\n      function newGetModel(path, parentModel) {\n        var model = oldGetModel.call(this, path, parentModel);\n        model.resolveParentPath = resolveParentPath;\n        return model;\n      }\n\n      edgeData.wrapMethod('getItemModel', function (model) {\n        model.resolveParentPath = resolveParentPath;\n        model.getModel = newGetModel;\n        return model;\n      });\n\n      function resolveParentPath(pathArr) {\n        if (pathArr && (pathArr[0] === 'label' || pathArr[1] === 'label')) {\n          var newPathArr = pathArr.slice();\n\n          if (pathArr[0] === 'label') {\n            newPathArr[0] = 'edgeLabel';\n          } else if (pathArr[1] === 'label') {\n            newPathArr[1] = 'edgeLabel';\n          }\n\n          return newPathArr;\n        }\n\n        return pathArr;\n      }\n    }\n  };\n\n  GraphSeriesModel.prototype.getGraph = function () {\n    return this.getData().graph;\n  };\n\n  GraphSeriesModel.prototype.getEdgeData = function () {\n    return this.getGraph().edgeData;\n  };\n\n  GraphSeriesModel.prototype.getCategoriesData = function () {\n    return this._categoriesData;\n  };\n\n  GraphSeriesModel.prototype.formatTooltip = function (dataIndex, multipleSeries, dataType) {\n    if (dataType === 'edge') {\n      var nodeData = this.getData();\n      var params = this.getDataParams(dataIndex, dataType);\n      var edge = nodeData.graph.getEdgeByIndex(dataIndex);\n      var sourceName = nodeData.getName(edge.node1.dataIndex);\n      var targetName = nodeData.getName(edge.node2.dataIndex);\n      var nameArr = [];\n      sourceName != null && nameArr.push(sourceName);\n      targetName != null && nameArr.push(targetName);\n      return createTooltipMarkup('nameValue', {\n        name: nameArr.join(' > '),\n        value: params.value,\n        noValue: params.value == null\n      });\n    } // dataType === 'node' or empty\n\n\n    var nodeMarkup = defaultSeriesFormatTooltip({\n      series: this,\n      dataIndex: dataIndex,\n      multipleSeries: multipleSeries\n    });\n    return nodeMarkup;\n  };\n\n  GraphSeriesModel.prototype._updateCategoriesData = function () {\n    var categories = zrUtil.map(this.option.categories || [], function (category) {\n      // Data must has value\n      return category.value != null ? category : zrUtil.extend({\n        value: 0\n      }, category);\n    });\n    var categoriesData = new List(['value'], this);\n    categoriesData.initData(categories);\n    this._categoriesData = categoriesData;\n    this._categoriesModels = categoriesData.mapArray(function (idx) {\n      return categoriesData.getItemModel(idx);\n    });\n  };\n\n  GraphSeriesModel.prototype.setZoom = function (zoom) {\n    this.option.zoom = zoom;\n  };\n\n  GraphSeriesModel.prototype.setCenter = function (center) {\n    this.option.center = center;\n  };\n\n  GraphSeriesModel.prototype.isAnimationEnabled = function () {\n    return _super.prototype.isAnimationEnabled.call(this) // Not enable animation when do force layout\n    && !(this.get('layout') === 'force' && this.get(['force', 'layoutAnimation']));\n  };\n\n  GraphSeriesModel.type = 'series.graph';\n  GraphSeriesModel.dependencies = ['grid', 'polar', 'geo', 'singleAxis', 'calendar'];\n  GraphSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    coordinateSystem: 'view',\n    // Default option for all coordinate systems\n    // xAxisIndex: 0,\n    // yAxisIndex: 0,\n    // polarIndex: 0,\n    // geoIndex: 0,\n    legendHoverLink: true,\n    layout: null,\n    // Configuration of circular layout\n    circular: {\n      rotateLabel: false\n    },\n    // Configuration of force directed layout\n    force: {\n      initLayout: null,\n      // Node repulsion. Can be an array to represent range.\n      repulsion: [0, 50],\n      gravity: 0.1,\n      // Initial friction\n      friction: 0.6,\n      // Edge length. Can be an array to represent range.\n      edgeLength: 30,\n      layoutAnimation: true\n    },\n    left: 'center',\n    top: 'center',\n    // right: null,\n    // bottom: null,\n    // width: '80%',\n    // height: '80%',\n    symbol: 'circle',\n    symbolSize: 10,\n    edgeSymbol: ['none', 'none'],\n    edgeSymbolSize: 10,\n    edgeLabel: {\n      position: 'middle',\n      distance: 5\n    },\n    draggable: false,\n    roam: false,\n    // Default on center of graph\n    center: null,\n    zoom: 1,\n    // Symbol size scale ratio in roam\n    nodeScaleRatio: 0.6,\n    // cursor: null,\n    // categories: [],\n    // data: []\n    // Or\n    // nodes: []\n    //\n    // links: []\n    // Or\n    // edges: []\n    label: {\n      show: false,\n      formatter: '{b}'\n    },\n    itemStyle: {},\n    lineStyle: {\n      color: '#aaa',\n      width: 1,\n      opacity: 0.5\n    },\n    emphasis: {\n      scale: true,\n      label: {\n        show: true\n      }\n    },\n    select: {\n      itemStyle: {\n        borderColor: '#212121'\n      }\n    }\n  };\n  return GraphSeriesModel;\n}(SeriesModel);\n\nexport default GraphSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport categoryFilter from './categoryFilter';\nimport categoryVisual from './categoryVisual';\nimport edgeVisual from './edgeVisual';\nimport simpleLayout from './simpleLayout';\nimport circularLayout from './circularLayout';\nimport forceLayout from './forceLayout';\nimport createView from './createView';\nimport View from '../../coord/View';\nimport GraphView from './GraphView';\nimport GraphSeriesModel from './GraphSeries';\nimport { updateCenterAndZoom } from '../../action/roamHelper';\nvar actionInfo = {\n  type: 'graphRoam',\n  event: 'graphRoam',\n  update: 'none'\n};\nexport function install(registers) {\n  registers.registerChartView(GraphView);\n  registers.registerSeriesModel(GraphSeriesModel);\n  registers.registerProcessor(categoryFilter);\n  registers.registerVisual(categoryVisual);\n  registers.registerVisual(edgeVisual);\n  registers.registerLayout(simpleLayout);\n  registers.registerLayout(registers.PRIORITY.VISUAL.POST_CHART_LAYOUT, circularLayout);\n  registers.registerLayout(forceLayout);\n  registers.registerCoordinateSystem('graphView', {\n    dimensions: View.dimensions,\n    create: createView\n  }); // Register legacy focus actions\n\n  registers.registerAction({\n    type: 'focusNodeAdjacency',\n    event: 'focusNodeAdjacency',\n    update: 'series:focusNodeAdjacency'\n  }, function () {});\n  registers.registerAction({\n    type: 'unfocusNodeAdjacency',\n    event: 'unfocusNodeAdjacency',\n    update: 'series:unfocusNodeAdjacency'\n  }, function () {}); // Register roam action.\n\n  registers.registerAction(actionInfo, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'series',\n      query: payload\n    }, function (seriesModel) {\n      var coordSys = seriesModel.coordinateSystem;\n      var res = updateCenterAndZoom(coordSys, payload);\n      seriesModel.setCenter && seriesModel.setCenter(res.center);\n      seriesModel.setZoom && seriesModel.setZoom(res.zoom);\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport Path from 'zrender/lib/graphic/Path';\n\nvar PointerShape =\n/** @class */\nfunction () {\n  function PointerShape() {\n    this.angle = 0;\n    this.width = 10;\n    this.r = 10;\n    this.x = 0;\n    this.y = 0;\n  }\n\n  return PointerShape;\n}();\n\nvar PointerPath =\n/** @class */\nfunction (_super) {\n  __extends(PointerPath, _super);\n\n  function PointerPath(opts) {\n    var _this = _super.call(this, opts) || this;\n\n    _this.type = 'pointer';\n    return _this;\n  }\n\n  PointerPath.prototype.getDefaultShape = function () {\n    return new PointerShape();\n  };\n\n  PointerPath.prototype.buildPath = function (ctx, shape) {\n    var mathCos = Math.cos;\n    var mathSin = Math.sin;\n    var r = shape.r;\n    var width = shape.width;\n    var angle = shape.angle;\n    var x = shape.x - mathCos(angle) * width * (width >= r / 3 ? 1 : 2);\n    var y = shape.y - mathSin(angle) * width * (width >= r / 3 ? 1 : 2);\n    angle = shape.angle - Math.PI / 2;\n    ctx.moveTo(x, y);\n    ctx.lineTo(shape.x + mathCos(angle) * width, shape.y + mathSin(angle) * width);\n    ctx.lineTo(shape.x + mathCos(shape.angle) * r, shape.y + mathSin(shape.angle) * r);\n    ctx.lineTo(shape.x - mathCos(angle) * width, shape.y - mathSin(angle) * width);\n    ctx.lineTo(x, y);\n  };\n\n  return PointerPath;\n}(Path);\n\nexport default PointerPath;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport PointerPath from './PointerPath';\nimport * as graphic from '../../util/graphic';\nimport { setStatesStylesFromModel, enableHoverEmphasis } from '../../util/states';\nimport { createTextStyle, setLabelValueAnimation, animateLabelValue } from '../../label/labelStyle';\nimport ChartView from '../../view/Chart';\nimport { parsePercent, round, linearMap } from '../../util/number';\nimport Sausage from '../../util/shape/sausage';\nimport { createSymbol } from '../../util/symbol';\nimport ZRImage from 'zrender/lib/graphic/Image';\nimport { extend } from 'zrender/lib/core/util';\n\nfunction parsePosition(seriesModel, api) {\n  var center = seriesModel.get('center');\n  var width = api.getWidth();\n  var height = api.getHeight();\n  var size = Math.min(width, height);\n  var cx = parsePercent(center[0], api.getWidth());\n  var cy = parsePercent(center[1], api.getHeight());\n  var r = parsePercent(seriesModel.get('radius'), size / 2);\n  return {\n    cx: cx,\n    cy: cy,\n    r: r\n  };\n}\n\nfunction formatLabel(value, labelFormatter) {\n  var label = value == null ? '' : value + '';\n\n  if (labelFormatter) {\n    if (typeof labelFormatter === 'string') {\n      label = labelFormatter.replace('{value}', label);\n    } else if (typeof labelFormatter === 'function') {\n      label = labelFormatter(value);\n    }\n  }\n\n  return label;\n}\n\nvar PI2 = Math.PI * 2;\n\nvar GaugeView =\n/** @class */\nfunction (_super) {\n  __extends(GaugeView, _super);\n\n  function GaugeView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = GaugeView.type;\n    return _this;\n  }\n\n  GaugeView.prototype.render = function (seriesModel, ecModel, api) {\n    this.group.removeAll();\n    var colorList = seriesModel.get(['axisLine', 'lineStyle', 'color']);\n    var posInfo = parsePosition(seriesModel, api);\n\n    this._renderMain(seriesModel, ecModel, api, colorList, posInfo);\n\n    this._data = seriesModel.getData();\n  };\n\n  GaugeView.prototype.dispose = function () {};\n\n  GaugeView.prototype._renderMain = function (seriesModel, ecModel, api, colorList, posInfo) {\n    var group = this.group;\n    var clockwise = seriesModel.get('clockwise');\n    var startAngle = -seriesModel.get('startAngle') / 180 * Math.PI;\n    var endAngle = -seriesModel.get('endAngle') / 180 * Math.PI;\n    var axisLineModel = seriesModel.getModel('axisLine');\n    var roundCap = axisLineModel.get('roundCap');\n    var MainPath = roundCap ? Sausage : graphic.Sector;\n    var showAxis = axisLineModel.get('show');\n    var lineStyleModel = axisLineModel.getModel('lineStyle');\n    var axisLineWidth = lineStyleModel.get('width');\n    var angleRangeSpan = !((endAngle - startAngle) % PI2) && endAngle !== startAngle ? PI2 : (endAngle - startAngle) % PI2;\n    var prevEndAngle = startAngle;\n\n    for (var i = 0; showAxis && i < colorList.length; i++) {\n      // Clamp\n      var percent = Math.min(Math.max(colorList[i][0], 0), 1);\n      endAngle = startAngle + angleRangeSpan * percent;\n      var sector = new MainPath({\n        shape: {\n          startAngle: prevEndAngle,\n          endAngle: endAngle,\n          cx: posInfo.cx,\n          cy: posInfo.cy,\n          clockwise: clockwise,\n          r0: posInfo.r - axisLineWidth,\n          r: posInfo.r\n        },\n        silent: true\n      });\n      sector.setStyle({\n        fill: colorList[i][1]\n      });\n      sector.setStyle(lineStyleModel.getLineStyle( // Because we use sector to simulate arc\n      // so the properties for stroking are useless\n      ['color', 'width']));\n      group.add(sector);\n      prevEndAngle = endAngle;\n    }\n\n    var getColor = function (percent) {\n      // Less than 0\n      if (percent <= 0) {\n        return colorList[0][1];\n      }\n\n      var i;\n\n      for (i = 0; i < colorList.length; i++) {\n        if (colorList[i][0] >= percent && (i === 0 ? 0 : colorList[i - 1][0]) < percent) {\n          return colorList[i][1];\n        }\n      } // More than 1\n\n\n      return colorList[i - 1][1];\n    };\n\n    if (!clockwise) {\n      var tmp = startAngle;\n      startAngle = endAngle;\n      endAngle = tmp;\n    }\n\n    this._renderTicks(seriesModel, ecModel, api, getColor, posInfo, startAngle, endAngle, clockwise, axisLineWidth);\n\n    this._renderTitleAndDetail(seriesModel, ecModel, api, getColor, posInfo);\n\n    this._renderAnchor(seriesModel, posInfo);\n\n    this._renderPointer(seriesModel, ecModel, api, getColor, posInfo, startAngle, endAngle, clockwise, axisLineWidth);\n  };\n\n  GaugeView.prototype._renderTicks = function (seriesModel, ecModel, api, getColor, posInfo, startAngle, endAngle, clockwise, axisLineWidth) {\n    var group = this.group;\n    var cx = posInfo.cx;\n    var cy = posInfo.cy;\n    var r = posInfo.r;\n    var minVal = +seriesModel.get('min');\n    var maxVal = +seriesModel.get('max');\n    var splitLineModel = seriesModel.getModel('splitLine');\n    var tickModel = seriesModel.getModel('axisTick');\n    var labelModel = seriesModel.getModel('axisLabel');\n    var splitNumber = seriesModel.get('splitNumber');\n    var subSplitNumber = tickModel.get('splitNumber');\n    var splitLineLen = parsePercent(splitLineModel.get('length'), r);\n    var tickLen = parsePercent(tickModel.get('length'), r);\n    var angle = startAngle;\n    var step = (endAngle - startAngle) / splitNumber;\n    var subStep = step / subSplitNumber;\n    var splitLineStyle = splitLineModel.getModel('lineStyle').getLineStyle();\n    var tickLineStyle = tickModel.getModel('lineStyle').getLineStyle();\n    var splitLineDistance = splitLineModel.get('distance');\n    var unitX;\n    var unitY;\n\n    for (var i = 0; i <= splitNumber; i++) {\n      unitX = Math.cos(angle);\n      unitY = Math.sin(angle); // Split line\n\n      if (splitLineModel.get('show')) {\n        var distance = splitLineDistance ? splitLineDistance + axisLineWidth : axisLineWidth;\n        var splitLine = new graphic.Line({\n          shape: {\n            x1: unitX * (r - distance) + cx,\n            y1: unitY * (r - distance) + cy,\n            x2: unitX * (r - splitLineLen - distance) + cx,\n            y2: unitY * (r - splitLineLen - distance) + cy\n          },\n          style: splitLineStyle,\n          silent: true\n        });\n\n        if (splitLineStyle.stroke === 'auto') {\n          splitLine.setStyle({\n            stroke: getColor(i / splitNumber)\n          });\n        }\n\n        group.add(splitLine);\n      } // Label\n\n\n      if (labelModel.get('show')) {\n        var distance = labelModel.get('distance') + splitLineDistance;\n        var label = formatLabel(round(i / splitNumber * (maxVal - minVal) + minVal), labelModel.get('formatter'));\n        var autoColor = getColor(i / splitNumber);\n        group.add(new graphic.Text({\n          style: createTextStyle(labelModel, {\n            text: label,\n            x: unitX * (r - splitLineLen - distance) + cx,\n            y: unitY * (r - splitLineLen - distance) + cy,\n            verticalAlign: unitY < -0.8 ? 'top' : unitY > 0.8 ? 'bottom' : 'middle',\n            align: unitX < -0.4 ? 'left' : unitX > 0.4 ? 'right' : 'center'\n          }, {\n            inheritColor: autoColor\n          }),\n          silent: true\n        }));\n      } // Axis tick\n\n\n      if (tickModel.get('show') && i !== splitNumber) {\n        var distance = tickModel.get('distance');\n        distance = distance ? distance + axisLineWidth : axisLineWidth;\n\n        for (var j = 0; j <= subSplitNumber; j++) {\n          unitX = Math.cos(angle);\n          unitY = Math.sin(angle);\n          var tickLine = new graphic.Line({\n            shape: {\n              x1: unitX * (r - distance) + cx,\n              y1: unitY * (r - distance) + cy,\n              x2: unitX * (r - tickLen - distance) + cx,\n              y2: unitY * (r - tickLen - distance) + cy\n            },\n            silent: true,\n            style: tickLineStyle\n          });\n\n          if (tickLineStyle.stroke === 'auto') {\n            tickLine.setStyle({\n              stroke: getColor((i + j / subSplitNumber) / splitNumber)\n            });\n          }\n\n          group.add(tickLine);\n          angle += subStep;\n        }\n\n        angle -= subStep;\n      } else {\n        angle += step;\n      }\n    }\n  };\n\n  GaugeView.prototype._renderPointer = function (seriesModel, ecModel, api, getColor, posInfo, startAngle, endAngle, clockwise, axisLineWidth) {\n    var group = this.group;\n    var oldData = this._data;\n    var oldProgressData = this._progressEls;\n    var progressList = [];\n    var showPointer = seriesModel.get(['pointer', 'show']);\n    var progressModel = seriesModel.getModel('progress');\n    var showProgress = progressModel.get('show');\n    var data = seriesModel.getData();\n    var valueDim = data.mapDimension('value');\n    var minVal = +seriesModel.get('min');\n    var maxVal = +seriesModel.get('max');\n    var valueExtent = [minVal, maxVal];\n    var angleExtent = [startAngle, endAngle];\n\n    function createPointer(idx, angle) {\n      var itemModel = data.getItemModel(idx);\n      var pointerModel = itemModel.getModel('pointer');\n      var pointerWidth = parsePercent(pointerModel.get('width'), posInfo.r);\n      var pointerLength = parsePercent(pointerModel.get('length'), posInfo.r);\n      var pointerStr = seriesModel.get(['pointer', 'icon']);\n      var pointerOffset = pointerModel.get('offsetCenter');\n      var pointerOffsetX = parsePercent(pointerOffset[0], posInfo.r);\n      var pointerOffsetY = parsePercent(pointerOffset[1], posInfo.r);\n      var pointerKeepAspect = pointerModel.get('keepAspect');\n      var pointer; // not exist icon type will be set 'rect'\n\n      if (pointerStr) {\n        pointer = createSymbol(pointerStr, pointerOffsetX - pointerWidth / 2, pointerOffsetY - pointerLength, pointerWidth, pointerLength, null, pointerKeepAspect);\n      } else {\n        pointer = new PointerPath({\n          shape: {\n            angle: -Math.PI / 2,\n            width: pointerWidth,\n            r: pointerLength,\n            x: pointerOffsetX,\n            y: pointerOffsetY\n          }\n        });\n      }\n\n      pointer.rotation = -(angle + Math.PI / 2);\n      pointer.x = posInfo.cx;\n      pointer.y = posInfo.cy;\n      return pointer;\n    }\n\n    function createProgress(idx, endAngle) {\n      var roundCap = progressModel.get('roundCap');\n      var ProgressPath = roundCap ? Sausage : graphic.Sector;\n      var isOverlap = progressModel.get('overlap');\n      var progressWidth = isOverlap ? progressModel.get('width') : axisLineWidth / data.count();\n      var r0 = isOverlap ? posInfo.r - progressWidth : posInfo.r - (idx + 1) * progressWidth;\n      var r = isOverlap ? posInfo.r : posInfo.r - idx * progressWidth;\n      var progress = new ProgressPath({\n        shape: {\n          startAngle: startAngle,\n          endAngle: endAngle,\n          cx: posInfo.cx,\n          cy: posInfo.cy,\n          clockwise: clockwise,\n          r0: r0,\n          r: r\n        }\n      });\n      isOverlap && (progress.z2 = maxVal - data.get(valueDim, idx) % maxVal);\n      return progress;\n    }\n\n    if (showProgress || showPointer) {\n      data.diff(oldData).add(function (idx) {\n        if (showPointer) {\n          var pointer = createPointer(idx, startAngle);\n          graphic.initProps(pointer, {\n            rotation: -(linearMap(data.get(valueDim, idx), valueExtent, angleExtent, true) + Math.PI / 2)\n          }, seriesModel);\n          group.add(pointer);\n          data.setItemGraphicEl(idx, pointer);\n        }\n\n        if (showProgress) {\n          var progress = createProgress(idx, startAngle);\n          var isClip = progressModel.get('clip');\n          graphic.initProps(progress, {\n            shape: {\n              endAngle: linearMap(data.get(valueDim, idx), valueExtent, angleExtent, isClip)\n            }\n          }, seriesModel);\n          group.add(progress);\n          progressList[idx] = progress;\n        }\n      }).update(function (newIdx, oldIdx) {\n        if (showPointer) {\n          var previousPointer = oldData.getItemGraphicEl(oldIdx);\n          var previousRotate = previousPointer ? previousPointer.rotation : startAngle;\n          var pointer = createPointer(newIdx, previousRotate);\n          pointer.rotation = previousRotate;\n          graphic.updateProps(pointer, {\n            rotation: -(linearMap(data.get(valueDim, newIdx), valueExtent, angleExtent, true) + Math.PI / 2)\n          }, seriesModel);\n          group.add(pointer);\n          data.setItemGraphicEl(newIdx, pointer);\n        }\n\n        if (showProgress) {\n          var previousProgress = oldProgressData[oldIdx];\n          var previousEndAngle = previousProgress ? previousProgress.shape.endAngle : startAngle;\n          var progress = createProgress(newIdx, previousEndAngle);\n          var isClip = progressModel.get('clip');\n          graphic.updateProps(progress, {\n            shape: {\n              endAngle: linearMap(data.get(valueDim, newIdx), valueExtent, angleExtent, isClip)\n            }\n          }, seriesModel);\n          group.add(progress);\n          progressList[newIdx] = progress;\n        }\n      }).execute();\n      data.each(function (idx) {\n        var itemModel = data.getItemModel(idx);\n        var emphasisModel = itemModel.getModel('emphasis');\n\n        if (showPointer) {\n          var pointer = data.getItemGraphicEl(idx);\n          var symbolStyle = data.getItemVisual(idx, 'style');\n          var visualColor = symbolStyle.fill;\n\n          if (pointer instanceof ZRImage) {\n            var pathStyle = pointer.style;\n            pointer.useStyle(extend({\n              image: pathStyle.image,\n              x: pathStyle.x,\n              y: pathStyle.y,\n              width: pathStyle.width,\n              height: pathStyle.height\n            }, symbolStyle));\n          } else {\n            pointer.useStyle(symbolStyle);\n            pointer.type !== 'pointer' && pointer.setColor(visualColor);\n          }\n\n          pointer.setStyle(itemModel.getModel(['pointer', 'itemStyle']).getItemStyle());\n\n          if (pointer.style.fill === 'auto') {\n            pointer.setStyle('fill', getColor(linearMap(data.get(valueDim, idx), valueExtent, [0, 1], true)));\n          }\n\n          pointer.z2EmphasisLift = 0;\n          setStatesStylesFromModel(pointer, itemModel);\n          enableHoverEmphasis(pointer, emphasisModel.get('focus'), emphasisModel.get('blurScope'));\n        }\n\n        if (showProgress) {\n          var progress = progressList[idx];\n          progress.useStyle(data.getItemVisual(idx, 'style'));\n          progress.setStyle(itemModel.getModel(['progress', 'itemStyle']).getItemStyle());\n          progress.z2EmphasisLift = 0;\n          setStatesStylesFromModel(progress, itemModel);\n          enableHoverEmphasis(progress, emphasisModel.get('focus'), emphasisModel.get('blurScope'));\n        }\n      });\n      this._progressEls = progressList;\n    }\n  };\n\n  GaugeView.prototype._renderAnchor = function (seriesModel, posInfo) {\n    var anchorModel = seriesModel.getModel('anchor');\n    var showAnchor = anchorModel.get('show');\n\n    if (showAnchor) {\n      var anchorSize = anchorModel.get('size');\n      var anchorType = anchorModel.get('icon');\n      var offsetCenter = anchorModel.get('offsetCenter');\n      var anchorKeepAspect = anchorModel.get('keepAspect');\n      var anchor = createSymbol(anchorType, posInfo.cx - anchorSize / 2 + parsePercent(offsetCenter[0], posInfo.r), posInfo.cy - anchorSize / 2 + parsePercent(offsetCenter[1], posInfo.r), anchorSize, anchorSize, null, anchorKeepAspect);\n      anchor.z2 = anchorModel.get('showAbove') ? 1 : 0;\n      anchor.setStyle(anchorModel.getModel('itemStyle').getItemStyle());\n      this.group.add(anchor);\n    }\n  };\n\n  GaugeView.prototype._renderTitleAndDetail = function (seriesModel, ecModel, api, getColor, posInfo) {\n    var _this = this;\n\n    var data = seriesModel.getData();\n    var valueDim = data.mapDimension('value');\n    var minVal = +seriesModel.get('min');\n    var maxVal = +seriesModel.get('max');\n    var contentGroup = new graphic.Group();\n    var newTitleEls = [];\n    var newDetailEls = [];\n    var hasAnimation = seriesModel.isAnimationEnabled();\n    data.diff(this._data).add(function (idx) {\n      newTitleEls[idx] = new graphic.Text({\n        silent: true\n      });\n      newDetailEls[idx] = new graphic.Text({\n        silent: true\n      });\n    }).update(function (idx, oldIdx) {\n      newTitleEls[idx] = _this._titleEls[oldIdx];\n      newDetailEls[idx] = _this._detailEls[oldIdx];\n    }).execute();\n    data.each(function (idx) {\n      var itemModel = data.getItemModel(idx);\n      var value = data.get(valueDim, idx);\n      var itemGroup = new graphic.Group();\n      var autoColor = getColor(linearMap(value, [minVal, maxVal], [0, 1], true));\n      var itemTitleModel = itemModel.getModel('title');\n\n      if (itemTitleModel.get('show')) {\n        var titleOffsetCenter = itemTitleModel.get('offsetCenter');\n        var titleX = posInfo.cx + parsePercent(titleOffsetCenter[0], posInfo.r);\n        var titleY = posInfo.cy + parsePercent(titleOffsetCenter[1], posInfo.r);\n        var labelEl = newTitleEls[idx];\n        labelEl.attr({\n          style: createTextStyle(itemTitleModel, {\n            x: titleX,\n            y: titleY,\n            text: data.getName(idx),\n            align: 'center',\n            verticalAlign: 'middle'\n          }, {\n            inheritColor: autoColor\n          })\n        });\n        itemGroup.add(labelEl);\n      }\n\n      var itemDetailModel = itemModel.getModel('detail');\n\n      if (itemDetailModel.get('show')) {\n        var detailOffsetCenter = itemDetailModel.get('offsetCenter');\n        var detailX = posInfo.cx + parsePercent(detailOffsetCenter[0], posInfo.r);\n        var detailY = posInfo.cy + parsePercent(detailOffsetCenter[1], posInfo.r);\n        var width = parsePercent(itemDetailModel.get('width'), posInfo.r);\n        var height = parsePercent(itemDetailModel.get('height'), posInfo.r);\n        var detailColor = seriesModel.get(['progress', 'show']) ? data.getItemVisual(idx, 'style').fill : autoColor;\n        var labelEl = newDetailEls[idx];\n        var formatter_1 = itemDetailModel.get('formatter');\n        labelEl.attr({\n          style: createTextStyle(itemDetailModel, {\n            x: detailX,\n            y: detailY,\n            text: formatLabel(value, formatter_1),\n            width: isNaN(width) ? null : width,\n            height: isNaN(height) ? null : height,\n            align: 'center',\n            verticalAlign: 'middle'\n          }, {\n            inheritColor: detailColor\n          })\n        });\n        setLabelValueAnimation(labelEl, {\n          normal: itemDetailModel\n        }, value, function (value) {\n          return formatLabel(value, formatter_1);\n        });\n        hasAnimation && animateLabelValue(labelEl, idx, data, seriesModel, {\n          getFormattedLabel: function (labelDataIndex, status, dataType, labelDimIndex, fmt, extendParams) {\n            return formatLabel(extendParams ? extendParams.interpolatedValue : value, formatter_1);\n          }\n        });\n        itemGroup.add(labelEl);\n      }\n\n      contentGroup.add(itemGroup);\n    });\n    this.group.add(contentGroup);\n    this._titleEls = newTitleEls;\n    this._detailEls = newDetailEls;\n  };\n\n  GaugeView.type = 'gauge';\n  return GaugeView;\n}(ChartView);\n\nexport default GaugeView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport createListSimply from '../helper/createListSimply';\nimport SeriesModel from '../../model/Series';\n\nvar GaugeSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(GaugeSeriesModel, _super);\n\n  function GaugeSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = GaugeSeriesModel.type;\n    _this.visualStyleAccessPath = 'itemStyle';\n    _this.useColorPaletteOnData = true;\n    return _this;\n  }\n\n  GaugeSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    return createListSimply(this, ['value']);\n  };\n\n  GaugeSeriesModel.type = 'series.gauge';\n  GaugeSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    // 默认全局居中\n    center: ['50%', '50%'],\n    legendHoverLink: true,\n    radius: '75%',\n    startAngle: 225,\n    endAngle: -45,\n    clockwise: true,\n    // 最小值\n    min: 0,\n    // 最大值\n    max: 100,\n    // 分割段数，默认为10\n    splitNumber: 10,\n    // 坐标轴线\n    axisLine: {\n      // 默认显示，属性show控制显示与否\n      show: true,\n      roundCap: false,\n      lineStyle: {\n        color: [[1, '#E6EBF8']],\n        width: 10\n      }\n    },\n    // 坐标轴线\n    progress: {\n      // 默认显示，属性show控制显示与否\n      show: false,\n      overlap: true,\n      width: 10,\n      roundCap: false,\n      clip: true\n    },\n    // 分隔线\n    splitLine: {\n      // 默认显示，属性show控制显示与否\n      show: true,\n      // 属性length控制线长\n      length: 10,\n      distance: 10,\n      // 属性lineStyle（详见lineStyle）控制线条样式\n      lineStyle: {\n        color: '#63677A',\n        width: 3,\n        type: 'solid'\n      }\n    },\n    // 坐标轴小标记\n    axisTick: {\n      // 属性show控制显示与否，默认不显示\n      show: true,\n      // 每份split细分多少段\n      splitNumber: 5,\n      // 属性length控制线长\n      length: 6,\n      distance: 10,\n      // 属性lineStyle控制线条样式\n      lineStyle: {\n        color: '#63677A',\n        width: 1,\n        type: 'solid'\n      }\n    },\n    axisLabel: {\n      show: true,\n      distance: 15,\n      // formatter: null,\n      color: '#464646',\n      fontSize: 12\n    },\n    pointer: {\n      icon: null,\n      offsetCenter: [0, 0],\n      show: true,\n      length: '60%',\n      width: 6,\n      keepAspect: false\n    },\n    anchor: {\n      show: false,\n      showAbove: false,\n      size: 6,\n      icon: 'circle',\n      offsetCenter: [0, 0],\n      keepAspect: false,\n      itemStyle: {\n        color: '#fff',\n        borderWidth: 0,\n        borderColor: '#5470c6'\n      }\n    },\n    title: {\n      show: true,\n      // x, y，单位px\n      offsetCenter: [0, '20%'],\n      // 其余属性默认使用全局文本样式，详见TEXTSTYLE\n      color: '#464646',\n      fontSize: 16,\n      valueAnimation: false\n    },\n    detail: {\n      show: true,\n      backgroundColor: 'rgba(0,0,0,0)',\n      borderWidth: 0,\n      borderColor: '#ccc',\n      width: 100,\n      height: null,\n      padding: [5, 10],\n      // x, y，单位px\n      offsetCenter: [0, '40%'],\n      // formatter: null,\n      // 其余属性默认使用全局文本样式，详见TEXTSTYLE\n      color: '#464646',\n      fontSize: 30,\n      fontWeight: 'bold',\n      lineHeight: 30,\n      valueAnimation: false\n    }\n  };\n  return GaugeSeriesModel;\n}(SeriesModel);\n\nexport default GaugeSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as graphic from '../../util/graphic';\nimport { setStatesStylesFromModel, enableHoverEmphasis } from '../../util/states';\nimport ChartView from '../../view/Chart';\nimport { setLabelLineStyle, getLabelLineStatesModels } from '../../label/labelGuideHelper';\nimport { setLabelStyle, getLabelStatesModels } from '../../label/labelStyle';\nvar opacityAccessPath = ['itemStyle', 'opacity'];\n/**\n * Piece of pie including Sector, Label, LabelLine\n */\n\nvar FunnelPiece =\n/** @class */\nfunction (_super) {\n  __extends(FunnelPiece, _super);\n\n  function FunnelPiece(data, idx) {\n    var _this = _super.call(this) || this;\n\n    var polygon = _this;\n    var labelLine = new graphic.Polyline();\n    var text = new graphic.Text();\n    polygon.setTextContent(text);\n\n    _this.setTextGuideLine(labelLine);\n\n    _this.updateData(data, idx, true);\n\n    return _this;\n  }\n\n  FunnelPiece.prototype.updateData = function (data, idx, firstCreate) {\n    var polygon = this;\n    var seriesModel = data.hostModel;\n    var itemModel = data.getItemModel(idx);\n    var layout = data.getItemLayout(idx);\n    var emphasisModel = itemModel.getModel('emphasis');\n    var opacity = itemModel.get(opacityAccessPath);\n    opacity = opacity == null ? 1 : opacity; // Update common style\n\n    polygon.useStyle(data.getItemVisual(idx, 'style'));\n    polygon.style.lineJoin = 'round';\n\n    if (firstCreate) {\n      polygon.setShape({\n        points: layout.points\n      });\n      polygon.style.opacity = 0;\n      graphic.initProps(polygon, {\n        style: {\n          opacity: opacity\n        }\n      }, seriesModel, idx);\n    } else {\n      graphic.updateProps(polygon, {\n        style: {\n          opacity: opacity\n        },\n        shape: {\n          points: layout.points\n        }\n      }, seriesModel, idx);\n    }\n\n    setStatesStylesFromModel(polygon, itemModel);\n\n    this._updateLabel(data, idx);\n\n    enableHoverEmphasis(this, emphasisModel.get('focus'), emphasisModel.get('blurScope'));\n  };\n\n  FunnelPiece.prototype._updateLabel = function (data, idx) {\n    var polygon = this;\n    var labelLine = this.getTextGuideLine();\n    var labelText = polygon.getTextContent();\n    var seriesModel = data.hostModel;\n    var itemModel = data.getItemModel(idx);\n    var layout = data.getItemLayout(idx);\n    var labelLayout = layout.label;\n    var style = data.getItemVisual(idx, 'style');\n    var visualColor = style.fill;\n    setLabelStyle( // position will not be used in setLabelStyle\n    labelText, getLabelStatesModels(itemModel), {\n      labelFetcher: data.hostModel,\n      labelDataIndex: idx,\n      defaultOpacity: style.opacity,\n      defaultText: data.getName(idx)\n    }, {\n      normal: {\n        align: labelLayout.textAlign,\n        verticalAlign: labelLayout.verticalAlign\n      }\n    });\n    polygon.setTextConfig({\n      local: true,\n      inside: !!labelLayout.inside,\n      insideStroke: visualColor,\n      // insideFill: 'auto',\n      outsideFill: visualColor\n    });\n    var linePoints = labelLayout.linePoints;\n    labelLine.setShape({\n      points: linePoints\n    });\n    polygon.textGuideLineConfig = {\n      anchor: linePoints ? new graphic.Point(linePoints[0][0], linePoints[0][1]) : null\n    }; // Make sure update style on labelText after setLabelStyle.\n    // Because setLabelStyle will replace a new style on it.\n\n    graphic.updateProps(labelText, {\n      style: {\n        x: labelLayout.x,\n        y: labelLayout.y\n      }\n    }, seriesModel, idx);\n    labelText.attr({\n      rotation: labelLayout.rotation,\n      originX: labelLayout.x,\n      originY: labelLayout.y,\n      z2: 10\n    });\n    setLabelLineStyle(polygon, getLabelLineStatesModels(itemModel), {\n      // Default use item visual color\n      stroke: visualColor\n    });\n  };\n\n  return FunnelPiece;\n}(graphic.Polygon);\n\nvar FunnelView =\n/** @class */\nfunction (_super) {\n  __extends(FunnelView, _super);\n\n  function FunnelView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = FunnelView.type;\n    _this.ignoreLabelLineUpdate = true;\n    return _this;\n  }\n\n  FunnelView.prototype.render = function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n    var oldData = this._data;\n    var group = this.group;\n    data.diff(oldData).add(function (idx) {\n      var funnelPiece = new FunnelPiece(data, idx);\n      data.setItemGraphicEl(idx, funnelPiece);\n      group.add(funnelPiece);\n    }).update(function (newIdx, oldIdx) {\n      var piece = oldData.getItemGraphicEl(oldIdx);\n      piece.updateData(data, newIdx);\n      group.add(piece);\n      data.setItemGraphicEl(newIdx, piece);\n    }).remove(function (idx) {\n      var piece = oldData.getItemGraphicEl(idx);\n      graphic.removeElementWithFadeOut(piece, seriesModel, idx);\n    }).execute();\n    this._data = data;\n  };\n\n  FunnelView.prototype.remove = function () {\n    this.group.removeAll();\n    this._data = null;\n  };\n\n  FunnelView.prototype.dispose = function () {};\n\n  FunnelView.type = 'funnel';\n  return FunnelView;\n}(ChartView);\n\nexport default FunnelView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport createListSimply from '../helper/createListSimply';\nimport { defaultEmphasis } from '../../util/model';\nimport { makeSeriesEncodeForNameBased } from '../../data/helper/sourceHelper';\nimport LegendVisualProvider from '../../visual/LegendVisualProvider';\nimport SeriesModel from '../../model/Series';\n\nvar FunnelSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(FunnelSeriesModel, _super);\n\n  function FunnelSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = FunnelSeriesModel.type;\n    _this.useColorPaletteOnData = true;\n    return _this;\n  }\n\n  FunnelSeriesModel.prototype.init = function (option) {\n    _super.prototype.init.apply(this, arguments); // Enable legend selection for each data item\n    // Use a function instead of direct access because data reference may changed\n\n\n    this.legendVisualProvider = new LegendVisualProvider(zrUtil.bind(this.getData, this), zrUtil.bind(this.getRawData, this)); // Extend labelLine emphasis\n\n    this._defaultLabelLine(option);\n  };\n\n  FunnelSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    return createListSimply(this, {\n      coordDimensions: ['value'],\n      encodeDefaulter: zrUtil.curry(makeSeriesEncodeForNameBased, this)\n    });\n  };\n\n  FunnelSeriesModel.prototype._defaultLabelLine = function (option) {\n    // Extend labelLine emphasis\n    defaultEmphasis(option, 'labelLine', ['show']);\n    var labelLineNormalOpt = option.labelLine;\n    var labelLineEmphasisOpt = option.emphasis.labelLine; // Not show label line if `label.normal.show = false`\n\n    labelLineNormalOpt.show = labelLineNormalOpt.show && option.label.show;\n    labelLineEmphasisOpt.show = labelLineEmphasisOpt.show && option.emphasis.label.show;\n  }; // Overwrite\n\n\n  FunnelSeriesModel.prototype.getDataParams = function (dataIndex) {\n    var data = this.getData();\n\n    var params = _super.prototype.getDataParams.call(this, dataIndex);\n\n    var valueDim = data.mapDimension('value');\n    var sum = data.getSum(valueDim); // Percent is 0 if sum is 0\n\n    params.percent = !sum ? 0 : +(data.get(valueDim, dataIndex) / sum * 100).toFixed(2);\n    params.$vars.push('percent');\n    return params;\n  };\n\n  FunnelSeriesModel.type = 'series.funnel';\n  FunnelSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    legendHoverLink: true,\n    left: 80,\n    top: 60,\n    right: 80,\n    bottom: 60,\n    // width: {totalWidth} - left - right,\n    // height: {totalHeight} - top - bottom,\n    // 默认取数据最小最大值\n    // min: 0,\n    // max: 100,\n    minSize: '0%',\n    maxSize: '100%',\n    sort: 'descending',\n    orient: 'vertical',\n    gap: 0,\n    funnelAlign: 'center',\n    label: {\n      show: true,\n      position: 'outer' // formatter: 标签文本格式器，同Tooltip.formatter，不支持异步回调\n\n    },\n    labelLine: {\n      show: true,\n      length: 20,\n      lineStyle: {\n        // color: 各异,\n        width: 1\n      }\n    },\n    itemStyle: {\n      // color: 各异,\n      borderColor: '#fff',\n      borderWidth: 1\n    },\n    emphasis: {\n      label: {\n        show: true\n      }\n    },\n    select: {\n      itemStyle: {\n        borderColor: '#212121'\n      }\n    }\n  };\n  return FunnelSeriesModel;\n}(SeriesModel);\n\nexport default FunnelSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as layout from '../../util/layout';\nimport { parsePercent, linearMap } from '../../util/number';\n\nfunction getViewRect(seriesModel, api) {\n  return layout.getLayoutRect(seriesModel.getBoxLayoutParams(), {\n    width: api.getWidth(),\n    height: api.getHeight()\n  });\n}\n\nfunction getSortedIndices(data, sort) {\n  var valueDim = data.mapDimension('value');\n  var valueArr = data.mapArray(valueDim, function (val) {\n    return val;\n  });\n  var indices = [];\n  var isAscending = sort === 'ascending';\n\n  for (var i = 0, len = data.count(); i < len; i++) {\n    indices[i] = i;\n  } // Add custom sortable function & none sortable opetion by \"options.sort\"\n\n\n  if (typeof sort === 'function') {\n    indices.sort(sort);\n  } else if (sort !== 'none') {\n    indices.sort(function (a, b) {\n      return isAscending ? valueArr[a] - valueArr[b] : valueArr[b] - valueArr[a];\n    });\n  }\n\n  return indices;\n}\n\nfunction labelLayout(data) {\n  var seriesModel = data.hostModel;\n  var orient = seriesModel.get('orient');\n  data.each(function (idx) {\n    var itemModel = data.getItemModel(idx);\n    var labelModel = itemModel.getModel('label');\n    var labelPosition = labelModel.get('position');\n    var labelLineModel = itemModel.getModel('labelLine');\n    var layout = data.getItemLayout(idx);\n    var points = layout.points;\n    var isLabelInside = labelPosition === 'inner' || labelPosition === 'inside' || labelPosition === 'center' || labelPosition === 'insideLeft' || labelPosition === 'insideRight';\n    var textAlign;\n    var textX;\n    var textY;\n    var linePoints;\n\n    if (isLabelInside) {\n      if (labelPosition === 'insideLeft') {\n        textX = (points[0][0] + points[3][0]) / 2 + 5;\n        textY = (points[0][1] + points[3][1]) / 2;\n        textAlign = 'left';\n      } else if (labelPosition === 'insideRight') {\n        textX = (points[1][0] + points[2][0]) / 2 - 5;\n        textY = (points[1][1] + points[2][1]) / 2;\n        textAlign = 'right';\n      } else {\n        textX = (points[0][0] + points[1][0] + points[2][0] + points[3][0]) / 4;\n        textY = (points[0][1] + points[1][1] + points[2][1] + points[3][1]) / 4;\n        textAlign = 'center';\n      }\n\n      linePoints = [[textX, textY], [textX, textY]];\n    } else {\n      var x1 = void 0;\n      var y1 = void 0;\n      var x2 = void 0;\n      var y2 = void 0;\n      var labelLineLen = labelLineModel.get('length');\n\n      if (process.env.NODE_ENV !== 'production') {\n        if (orient === 'vertical' && ['top', 'bottom'].indexOf(labelPosition) > -1) {\n          labelPosition = 'left';\n          console.warn('Position error: Funnel chart on vertical orient dose not support top and bottom.');\n        }\n\n        if (orient === 'horizontal' && ['left', 'right'].indexOf(labelPosition) > -1) {\n          labelPosition = 'bottom';\n          console.warn('Position error: Funnel chart on horizontal orient dose not support left and right.');\n        }\n      }\n\n      if (labelPosition === 'left') {\n        // Left side\n        x1 = (points[3][0] + points[0][0]) / 2;\n        y1 = (points[3][1] + points[0][1]) / 2;\n        x2 = x1 - labelLineLen;\n        textX = x2 - 5;\n        textAlign = 'right';\n      } else if (labelPosition === 'right') {\n        // Right side\n        x1 = (points[1][0] + points[2][0]) / 2;\n        y1 = (points[1][1] + points[2][1]) / 2;\n        x2 = x1 + labelLineLen;\n        textX = x2 + 5;\n        textAlign = 'left';\n      } else if (labelPosition === 'top') {\n        // Top side\n        x1 = (points[3][0] + points[0][0]) / 2;\n        y1 = (points[3][1] + points[0][1]) / 2;\n        y2 = y1 - labelLineLen;\n        textY = y2 - 5;\n        textAlign = 'center';\n      } else if (labelPosition === 'bottom') {\n        // Bottom side\n        x1 = (points[1][0] + points[2][0]) / 2;\n        y1 = (points[1][1] + points[2][1]) / 2;\n        y2 = y1 + labelLineLen;\n        textY = y2 + 5;\n        textAlign = 'center';\n      } else if (labelPosition === 'rightTop') {\n        // RightTop side\n        x1 = orient === 'horizontal' ? points[3][0] : points[1][0];\n        y1 = orient === 'horizontal' ? points[3][1] : points[1][1];\n\n        if (orient === 'horizontal') {\n          y2 = y1 - labelLineLen;\n          textY = y2 - 5;\n          textAlign = 'center';\n        } else {\n          x2 = x1 + labelLineLen;\n          textX = x2 + 5;\n          textAlign = 'top';\n        }\n      } else if (labelPosition === 'rightBottom') {\n        // RightBottom side\n        x1 = points[2][0];\n        y1 = points[2][1];\n\n        if (orient === 'horizontal') {\n          y2 = y1 + labelLineLen;\n          textY = y2 + 5;\n          textAlign = 'center';\n        } else {\n          x2 = x1 + labelLineLen;\n          textX = x2 + 5;\n          textAlign = 'bottom';\n        }\n      } else if (labelPosition === 'leftTop') {\n        // LeftTop side\n        x1 = points[0][0];\n        y1 = orient === 'horizontal' ? points[0][1] : points[1][1];\n\n        if (orient === 'horizontal') {\n          y2 = y1 - labelLineLen;\n          textY = y2 - 5;\n          textAlign = 'center';\n        } else {\n          x2 = x1 - labelLineLen;\n          textX = x2 - 5;\n          textAlign = 'right';\n        }\n      } else if (labelPosition === 'leftBottom') {\n        // LeftBottom side\n        x1 = orient === 'horizontal' ? points[1][0] : points[3][0];\n        y1 = orient === 'horizontal' ? points[1][1] : points[2][1];\n\n        if (orient === 'horizontal') {\n          y2 = y1 + labelLineLen;\n          textY = y2 + 5;\n          textAlign = 'center';\n        } else {\n          x2 = x1 - labelLineLen;\n          textX = x2 - 5;\n          textAlign = 'right';\n        }\n      } else {\n        // Right side or Bottom side\n        x1 = (points[1][0] + points[2][0]) / 2;\n        y1 = (points[1][1] + points[2][1]) / 2;\n\n        if (orient === 'horizontal') {\n          y2 = y1 + labelLineLen;\n          textY = y2 + 5;\n          textAlign = 'center';\n        } else {\n          x2 = x1 + labelLineLen;\n          textX = x2 + 5;\n          textAlign = 'left';\n        }\n      }\n\n      if (orient === 'horizontal') {\n        x2 = x1;\n        textX = x2;\n      } else {\n        y2 = y1;\n        textY = y2;\n      }\n\n      linePoints = [[x1, y1], [x2, y2]];\n    }\n\n    layout.label = {\n      linePoints: linePoints,\n      x: textX,\n      y: textY,\n      verticalAlign: 'middle',\n      textAlign: textAlign,\n      inside: isLabelInside\n    };\n  });\n}\n\nexport default function funnelLayout(ecModel, api) {\n  ecModel.eachSeriesByType('funnel', function (seriesModel) {\n    var data = seriesModel.getData();\n    var valueDim = data.mapDimension('value');\n    var sort = seriesModel.get('sort');\n    var viewRect = getViewRect(seriesModel, api);\n    var orient = seriesModel.get('orient');\n    var viewWidth = viewRect.width;\n    var viewHeight = viewRect.height;\n    var indices = getSortedIndices(data, sort);\n    var x = viewRect.x;\n    var y = viewRect.y;\n    var sizeExtent = orient === 'horizontal' ? [parsePercent(seriesModel.get('minSize'), viewHeight), parsePercent(seriesModel.get('maxSize'), viewHeight)] : [parsePercent(seriesModel.get('minSize'), viewWidth), parsePercent(seriesModel.get('maxSize'), viewWidth)];\n    var dataExtent = data.getDataExtent(valueDim);\n    var min = seriesModel.get('min');\n    var max = seriesModel.get('max');\n\n    if (min == null) {\n      min = Math.min(dataExtent[0], 0);\n    }\n\n    if (max == null) {\n      max = dataExtent[1];\n    }\n\n    var funnelAlign = seriesModel.get('funnelAlign');\n    var gap = seriesModel.get('gap');\n    var viewSize = orient === 'horizontal' ? viewWidth : viewHeight;\n    var itemSize = (viewSize - gap * (data.count() - 1)) / data.count();\n\n    var getLinePoints = function (idx, offset) {\n      // End point index is data.count() and we assign it 0\n      if (orient === 'horizontal') {\n        var val_1 = data.get(valueDim, idx) || 0;\n        var itemHeight = linearMap(val_1, [min, max], sizeExtent, true);\n        var y0 = void 0;\n\n        switch (funnelAlign) {\n          case 'top':\n            y0 = y;\n            break;\n\n          case 'center':\n            y0 = y + (viewHeight - itemHeight) / 2;\n            break;\n\n          case 'bottom':\n            y0 = y + (viewHeight - itemHeight);\n            break;\n        }\n\n        return [[offset, y0], [offset, y0 + itemHeight]];\n      }\n\n      var val = data.get(valueDim, idx) || 0;\n      var itemWidth = linearMap(val, [min, max], sizeExtent, true);\n      var x0;\n\n      switch (funnelAlign) {\n        case 'left':\n          x0 = x;\n          break;\n\n        case 'center':\n          x0 = x + (viewWidth - itemWidth) / 2;\n          break;\n\n        case 'right':\n          x0 = x + viewWidth - itemWidth;\n          break;\n      }\n\n      return [[x0, offset], [x0 + itemWidth, offset]];\n    };\n\n    if (sort === 'ascending') {\n      // From bottom to top\n      itemSize = -itemSize;\n      gap = -gap;\n\n      if (orient === 'horizontal') {\n        x += viewWidth;\n      } else {\n        y += viewHeight;\n      }\n\n      indices = indices.reverse();\n    }\n\n    for (var i = 0; i < indices.length; i++) {\n      var idx = indices[i];\n      var nextIdx = indices[i + 1];\n      var itemModel = data.getItemModel(idx);\n\n      if (orient === 'horizontal') {\n        var width = itemModel.get(['itemStyle', 'width']);\n\n        if (width == null) {\n          width = itemSize;\n        } else {\n          width = parsePercent(width, viewWidth);\n\n          if (sort === 'ascending') {\n            width = -width;\n          }\n        }\n\n        var start = getLinePoints(idx, x);\n        var end = getLinePoints(nextIdx, x + width);\n        x += width + gap;\n        data.setItemLayout(idx, {\n          points: start.concat(end.slice().reverse())\n        });\n      } else {\n        var height = itemModel.get(['itemStyle', 'height']);\n\n        if (height == null) {\n          height = itemSize;\n        } else {\n          height = parsePercent(height, viewHeight);\n\n          if (sort === 'ascending') {\n            height = -height;\n          }\n        }\n\n        var start = getLinePoints(idx, y);\n        var end = getLinePoints(nextIdx, y + height);\n        y += height + gap;\n        data.setItemLayout(idx, {\n          points: start.concat(end.slice().reverse())\n        });\n      }\n    }\n\n    labelLayout(data);\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as graphic from '../../util/graphic';\nimport { setStatesStylesFromModel, enableHoverEmphasis } from '../../util/states';\nimport ChartView from '../../view/Chart';\nimport { numericToNumber } from '../../util/number';\nimport { eqNaN } from 'zrender/lib/core/util';\nvar DEFAULT_SMOOTH = 0.3;\n\nvar ParallelView =\n/** @class */\nfunction (_super) {\n  __extends(ParallelView, _super);\n\n  function ParallelView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ParallelView.type;\n    _this._dataGroup = new graphic.Group();\n    _this._initialized = false;\n    return _this;\n  }\n\n  ParallelView.prototype.init = function () {\n    this.group.add(this._dataGroup);\n  };\n  /**\n   * @override\n   */\n\n\n  ParallelView.prototype.render = function (seriesModel, ecModel, api, payload) {\n    var dataGroup = this._dataGroup;\n    var data = seriesModel.getData();\n    var oldData = this._data;\n    var coordSys = seriesModel.coordinateSystem;\n    var dimensions = coordSys.dimensions;\n    var seriesScope = makeSeriesScope(seriesModel);\n    data.diff(oldData).add(add).update(update).remove(remove).execute();\n\n    function add(newDataIndex) {\n      var line = addEl(data, dataGroup, newDataIndex, dimensions, coordSys);\n      updateElCommon(line, data, newDataIndex, seriesScope);\n    }\n\n    function update(newDataIndex, oldDataIndex) {\n      var line = oldData.getItemGraphicEl(oldDataIndex);\n      var points = createLinePoints(data, newDataIndex, dimensions, coordSys);\n      data.setItemGraphicEl(newDataIndex, line);\n      graphic.updateProps(line, {\n        shape: {\n          points: points\n        }\n      }, seriesModel, newDataIndex);\n      updateElCommon(line, data, newDataIndex, seriesScope);\n    }\n\n    function remove(oldDataIndex) {\n      var line = oldData.getItemGraphicEl(oldDataIndex);\n      dataGroup.remove(line);\n    } // First create\n\n\n    if (!this._initialized) {\n      this._initialized = true;\n      var clipPath = createGridClipShape(coordSys, seriesModel, function () {\n        // Callback will be invoked immediately if there is no animation\n        setTimeout(function () {\n          dataGroup.removeClipPath();\n        });\n      });\n      dataGroup.setClipPath(clipPath);\n    }\n\n    this._data = data;\n  };\n\n  ParallelView.prototype.incrementalPrepareRender = function (seriesModel, ecModel, api) {\n    this._initialized = true;\n    this._data = null;\n\n    this._dataGroup.removeAll();\n  };\n\n  ParallelView.prototype.incrementalRender = function (taskParams, seriesModel, ecModel) {\n    var data = seriesModel.getData();\n    var coordSys = seriesModel.coordinateSystem;\n    var dimensions = coordSys.dimensions;\n    var seriesScope = makeSeriesScope(seriesModel);\n\n    for (var dataIndex = taskParams.start; dataIndex < taskParams.end; dataIndex++) {\n      var line = addEl(data, this._dataGroup, dataIndex, dimensions, coordSys);\n      line.incremental = true;\n      updateElCommon(line, data, dataIndex, seriesScope);\n    }\n  };\n\n  ParallelView.prototype.remove = function () {\n    this._dataGroup && this._dataGroup.removeAll();\n    this._data = null;\n  };\n\n  ParallelView.type = 'parallel';\n  return ParallelView;\n}(ChartView);\n\nfunction createGridClipShape(coordSys, seriesModel, cb) {\n  var parallelModel = coordSys.model;\n  var rect = coordSys.getRect();\n  var rectEl = new graphic.Rect({\n    shape: {\n      x: rect.x,\n      y: rect.y,\n      width: rect.width,\n      height: rect.height\n    }\n  });\n  var dim = parallelModel.get('layout') === 'horizontal' ? 'width' : 'height';\n  rectEl.setShape(dim, 0);\n  graphic.initProps(rectEl, {\n    shape: {\n      width: rect.width,\n      height: rect.height\n    }\n  }, seriesModel, cb);\n  return rectEl;\n}\n\nfunction createLinePoints(data, dataIndex, dimensions, coordSys) {\n  var points = [];\n\n  for (var i = 0; i < dimensions.length; i++) {\n    var dimName = dimensions[i];\n    var value = data.get(data.mapDimension(dimName), dataIndex);\n\n    if (!isEmptyValue(value, coordSys.getAxis(dimName).type)) {\n      points.push(coordSys.dataToPoint(value, dimName));\n    }\n  }\n\n  return points;\n}\n\nfunction addEl(data, dataGroup, dataIndex, dimensions, coordSys) {\n  var points = createLinePoints(data, dataIndex, dimensions, coordSys);\n  var line = new graphic.Polyline({\n    shape: {\n      points: points\n    },\n    // silent: true,\n    z2: 10\n  });\n  dataGroup.add(line);\n  data.setItemGraphicEl(dataIndex, line);\n  return line;\n}\n\nfunction makeSeriesScope(seriesModel) {\n  var smooth = seriesModel.get('smooth', true);\n  smooth === true && (smooth = DEFAULT_SMOOTH);\n  smooth = numericToNumber(smooth);\n  eqNaN(smooth) && (smooth = 0);\n  return {\n    smooth: smooth\n  };\n}\n\nfunction updateElCommon(el, data, dataIndex, seriesScope) {\n  el.useStyle(data.getItemVisual(dataIndex, 'style'));\n  el.style.fill = null;\n  el.setShape('smooth', seriesScope.smooth);\n  var itemModel = data.getItemModel(dataIndex);\n  var emphasisModel = itemModel.getModel('emphasis');\n  setStatesStylesFromModel(el, itemModel, 'lineStyle');\n  enableHoverEmphasis(el, emphasisModel.get('focus'), emphasisModel.get('blurScope'));\n} // function simpleDiff(oldData, newData, dimensions) {\n//     let oldLen;\n//     if (!oldData\n//         || !oldData.__plProgressive\n//         || (oldLen = oldData.count()) !== newData.count()\n//     ) {\n//         return true;\n//     }\n//     let dimLen = dimensions.length;\n//     for (let i = 0; i < oldLen; i++) {\n//         for (let j = 0; j < dimLen; j++) {\n//             if (oldData.get(dimensions[j], i) !== newData.get(dimensions[j], i)) {\n//                 return true;\n//             }\n//         }\n//     }\n//     return false;\n// }\n// FIXME put in common util?\n\n\nfunction isEmptyValue(val, axisType) {\n  return axisType === 'category' ? val == null : val == null || isNaN(val); // axisType === 'value'\n}\n\nexport default ParallelView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport { each, bind } from 'zrender/lib/core/util';\nimport SeriesModel from '../../model/Series';\nimport createListFromArray from '../helper/createListFromArray';\n\nvar ParallelSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(ParallelSeriesModel, _super);\n\n  function ParallelSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ParallelSeriesModel.type;\n    _this.visualStyleAccessPath = 'lineStyle';\n    _this.visualDrawType = 'stroke';\n    return _this;\n  }\n\n  ParallelSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    return createListFromArray(this.getSource(), this, {\n      useEncodeDefaulter: bind(makeDefaultEncode, null, this)\n    });\n  };\n  /**\n   * User can get data raw indices on 'axisAreaSelected' event received.\n   *\n   * @return Raw indices\n   */\n\n\n  ParallelSeriesModel.prototype.getRawIndicesByActiveState = function (activeState) {\n    var coordSys = this.coordinateSystem;\n    var data = this.getData();\n    var indices = [];\n    coordSys.eachActiveState(data, function (theActiveState, dataIndex) {\n      if (activeState === theActiveState) {\n        indices.push(data.getRawIndex(dataIndex));\n      }\n    });\n    return indices;\n  };\n\n  ParallelSeriesModel.type = 'series.parallel';\n  ParallelSeriesModel.dependencies = ['parallel'];\n  ParallelSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    coordinateSystem: 'parallel',\n    parallelIndex: 0,\n    label: {\n      show: false\n    },\n    inactiveOpacity: 0.05,\n    activeOpacity: 1,\n    lineStyle: {\n      width: 1,\n      opacity: 0.45,\n      type: 'solid'\n    },\n    emphasis: {\n      label: {\n        show: false\n      }\n    },\n    progressive: 500,\n    smooth: false,\n    animationEasing: 'linear'\n  };\n  return ParallelSeriesModel;\n}(SeriesModel);\n\nfunction makeDefaultEncode(seriesModel) {\n  // The mapping of parallelAxis dimension to data dimension can\n  // be specified in parallelAxis.option.dim. For example, if\n  // parallelAxis.option.dim is 'dim3', it mapping to the third\n  // dimension of data. But `data.encode` has higher priority.\n  // Moreover, parallelModel.dimension should not be regarded as data\n  // dimensions. Consider dimensions = ['dim4', 'dim2', 'dim6'];\n  var parallelModel = seriesModel.ecModel.getComponent('parallel', seriesModel.get('parallelIndex'));\n\n  if (!parallelModel) {\n    return;\n  }\n\n  var encodeDefine = {};\n  each(parallelModel.dimensions, function (axisDim) {\n    var dataDimIndex = convertDimNameToNumber(axisDim);\n    encodeDefine[axisDim] = dataDimIndex;\n  });\n  return encodeDefine;\n}\n\nfunction convertDimNameToNumber(dimName) {\n  return +dimName.replace('dim', '');\n}\n\nexport default ParallelSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar opacityAccessPath = ['lineStyle', 'opacity'];\nvar parallelVisual = {\n  seriesType: 'parallel',\n  reset: function (seriesModel, ecModel) {\n    var coordSys = seriesModel.coordinateSystem;\n    var opacityMap = {\n      normal: seriesModel.get(['lineStyle', 'opacity']),\n      active: seriesModel.get('activeOpacity'),\n      inactive: seriesModel.get('inactiveOpacity')\n    };\n    return {\n      progress: function (params, data) {\n        coordSys.eachActiveState(data, function (activeState, dataIndex) {\n          var opacity = opacityMap[activeState];\n\n          if (activeState === 'normal' && data.hasItemOption) {\n            var itemOpacity = data.getItemModel(dataIndex).get(opacityAccessPath, true);\n            itemOpacity != null && (opacity = itemOpacity);\n          }\n\n          var existsStyle = data.ensureUniqueItemVisual(dataIndex, 'style');\n          existsStyle.opacity = opacity;\n        }, params.start, params.end);\n      }\n    };\n  }\n};\nexport default parallelVisual;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as modelUtil from '../../util/model';\nexport default function parallelPreprocessor(option) {\n  createParallelIfNeeded(option);\n  mergeAxisOptionFromParallel(option);\n}\n/**\n * Create a parallel coordinate if not exists.\n * @inner\n */\n\nfunction createParallelIfNeeded(option) {\n  if (option.parallel) {\n    return;\n  }\n\n  var hasParallelSeries = false;\n  zrUtil.each(option.series, function (seriesOpt) {\n    if (seriesOpt && seriesOpt.type === 'parallel') {\n      hasParallelSeries = true;\n    }\n  });\n\n  if (hasParallelSeries) {\n    option.parallel = [{}];\n  }\n}\n/**\n * Merge aixs definition from parallel option (if exists) to axis option.\n * @inner\n */\n\n\nfunction mergeAxisOptionFromParallel(option) {\n  var axes = modelUtil.normalizeToArray(option.parallelAxis);\n  zrUtil.each(axes, function (axisOption) {\n    if (!zrUtil.isObject(axisOption)) {\n      return;\n    }\n\n    var parallelIndex = axisOption.parallelIndex || 0;\n    var parallelOption = modelUtil.normalizeToArray(option.parallel)[parallelIndex];\n\n    if (parallelOption && parallelOption.parallelAxisDefault) {\n      zrUtil.merge(axisOption, parallelOption.parallelAxisDefault, false);\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport ComponentView from '../../view/Component';\nimport { each, bind, extend } from 'zrender/lib/core/util';\nimport { createOrUpdate } from '../../util/throttle';\nvar CLICK_THRESHOLD = 5; // > 4\n\nvar ParallelView =\n/** @class */\nfunction (_super) {\n  __extends(ParallelView, _super);\n\n  function ParallelView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ParallelView.type;\n    return _this;\n  }\n\n  ParallelView.prototype.render = function (parallelModel, ecModel, api) {\n    this._model = parallelModel;\n    this._api = api;\n\n    if (!this._handlers) {\n      this._handlers = {};\n      each(handlers, function (handler, eventName) {\n        api.getZr().on(eventName, this._handlers[eventName] = bind(handler, this));\n      }, this);\n    }\n\n    createOrUpdate(this, '_throttledDispatchExpand', parallelModel.get('axisExpandRate'), 'fixRate');\n  };\n\n  ParallelView.prototype.dispose = function (ecModel, api) {\n    each(this._handlers, function (handler, eventName) {\n      api.getZr().off(eventName, handler);\n    });\n    this._handlers = null;\n  };\n  /**\n   * @internal\n   * @param {Object} [opt] If null, cancle the last action triggering for debounce.\n   */\n\n\n  ParallelView.prototype._throttledDispatchExpand = function (opt) {\n    this._dispatchExpand(opt);\n  };\n  /**\n   * @internal\n   */\n\n\n  ParallelView.prototype._dispatchExpand = function (opt) {\n    opt && this._api.dispatchAction(extend({\n      type: 'parallelAxisExpand'\n    }, opt));\n  };\n\n  ParallelView.type = 'parallel';\n  return ParallelView;\n}(ComponentView);\n\nvar handlers = {\n  mousedown: function (e) {\n    if (checkTrigger(this, 'click')) {\n      this._mouseDownPoint = [e.offsetX, e.offsetY];\n    }\n  },\n  mouseup: function (e) {\n    var mouseDownPoint = this._mouseDownPoint;\n\n    if (checkTrigger(this, 'click') && mouseDownPoint) {\n      var point = [e.offsetX, e.offsetY];\n      var dist = Math.pow(mouseDownPoint[0] - point[0], 2) + Math.pow(mouseDownPoint[1] - point[1], 2);\n\n      if (dist > CLICK_THRESHOLD) {\n        return;\n      }\n\n      var result = this._model.coordinateSystem.getSlidedAxisExpandWindow([e.offsetX, e.offsetY]);\n\n      result.behavior !== 'none' && this._dispatchExpand({\n        axisExpandWindow: result.axisExpandWindow\n      });\n    }\n\n    this._mouseDownPoint = null;\n  },\n  mousemove: function (e) {\n    // Should do nothing when brushing.\n    if (this._mouseDownPoint || !checkTrigger(this, 'mousemove')) {\n      return;\n    }\n\n    var model = this._model;\n    var result = model.coordinateSystem.getSlidedAxisExpandWindow([e.offsetX, e.offsetY]);\n    var behavior = result.behavior;\n    behavior === 'jump' && this._throttledDispatchExpand.debounceNextCall(model.get('axisExpandDebounce'));\n\n    this._throttledDispatchExpand(behavior === 'none' ? null // Cancle the last trigger, in case that mouse slide out of the area quickly.\n    : {\n      axisExpandWindow: result.axisExpandWindow,\n      // Jumping uses animation, and sliding suppresses animation.\n      animation: behavior === 'jump' ? null : {\n        duration: 0 // Disable animation.\n\n      }\n    });\n  }\n};\n\nfunction checkTrigger(view, triggerOn) {\n  var model = view._model;\n  return model.get('axisExpandable') && model.get('axisExpandTriggerOn') === triggerOn;\n}\n\nexport default ParallelView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport ComponentModel from '../../model/Component';\n\nvar ParallelModel =\n/** @class */\nfunction (_super) {\n  __extends(ParallelModel, _super);\n\n  function ParallelModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ParallelModel.type;\n    return _this;\n  }\n\n  ParallelModel.prototype.init = function () {\n    _super.prototype.init.apply(this, arguments);\n\n    this.mergeOption({});\n  };\n\n  ParallelModel.prototype.mergeOption = function (newOption) {\n    var thisOption = this.option;\n    newOption && zrUtil.merge(thisOption, newOption, true);\n\n    this._initDimensions();\n  };\n  /**\n   * Whether series or axis is in this coordinate system.\n   */\n\n\n  ParallelModel.prototype.contains = function (model, ecModel) {\n    var parallelIndex = model.get('parallelIndex');\n    return parallelIndex != null && ecModel.getComponent('parallel', parallelIndex) === this;\n  };\n\n  ParallelModel.prototype.setAxisExpand = function (opt) {\n    zrUtil.each(['axisExpandable', 'axisExpandCenter', 'axisExpandCount', 'axisExpandWidth', 'axisExpandWindow'], function (name) {\n      if (opt.hasOwnProperty(name)) {\n        // @ts-ignore FIXME: why \"never\" inferred in this.option[name]?\n        this.option[name] = opt[name];\n      }\n    }, this);\n  };\n\n  ParallelModel.prototype._initDimensions = function () {\n    var dimensions = this.dimensions = [];\n    var parallelAxisIndex = this.parallelAxisIndex = [];\n    var axisModels = zrUtil.filter(this.ecModel.queryComponents({\n      mainType: 'parallelAxis'\n    }), function (axisModel) {\n      // Can not use this.contains here, because\n      // initialization has not been completed yet.\n      return (axisModel.get('parallelIndex') || 0) === this.componentIndex;\n    }, this);\n    zrUtil.each(axisModels, function (axisModel) {\n      dimensions.push('dim' + axisModel.get('dim'));\n      parallelAxisIndex.push(axisModel.componentIndex);\n    });\n  };\n\n  ParallelModel.type = 'parallel';\n  ParallelModel.dependencies = ['parallelAxis'];\n  ParallelModel.layoutMode = 'box';\n  ParallelModel.defaultOption = {\n    zlevel: 0,\n    z: 0,\n    left: 80,\n    top: 60,\n    right: 80,\n    bottom: 60,\n    // width: {totalWidth} - left - right,\n    // height: {totalHeight} - top - bottom,\n    layout: 'horizontal',\n    // FIXME\n    // naming?\n    axisExpandable: false,\n    axisExpandCenter: null,\n    axisExpandCount: 0,\n    axisExpandWidth: 50,\n    axisExpandRate: 17,\n    axisExpandDebounce: 50,\n    // [out, in, jumpTarget]. In percentage. If use [null, 0.05], null means full.\n    // Do not doc to user until necessary.\n    axisExpandSlideTriggerArea: [-0.15, 0.05, 0.4],\n    axisExpandTriggerOn: 'click',\n    parallelAxisDefault: null\n  };\n  return ParallelModel;\n}(ComponentModel);\n\nexport default ParallelModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport Axis from '../Axis';\n\nvar ParallelAxis =\n/** @class */\nfunction (_super) {\n  __extends(ParallelAxis, _super);\n\n  function ParallelAxis(dim, scale, coordExtent, axisType, axisIndex) {\n    var _this = _super.call(this, dim, scale, coordExtent) || this;\n\n    _this.type = axisType || 'value';\n    _this.axisIndex = axisIndex;\n    return _this;\n  }\n\n  ParallelAxis.prototype.isHorizontal = function () {\n    return this.coordinateSystem.getModel().get('layout') !== 'horizontal';\n  };\n\n  return ParallelAxis;\n}(Axis);\n\nexport default ParallelAxis;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Calculate slider move result.\n * Usage:\n * (1) If both handle0 and handle1 are needed to be moved, set minSpan the same as\n * maxSpan and the same as `Math.abs(handleEnd[1] - handleEnds[0])`.\n * (2) If handle0 is forbidden to cross handle1, set minSpan as `0`.\n *\n * @param delta Move length.\n * @param handleEnds handleEnds[0] can be bigger then handleEnds[1].\n *              handleEnds will be modified in this method.\n * @param extent handleEnds is restricted by extent.\n *              extent[0] should less or equals than extent[1].\n * @param handleIndex Can be 'all', means that both move the two handleEnds.\n * @param minSpan The range of dataZoom can not be smaller than that.\n *              If not set, handle0 and cross handle1. If set as a non-negative\n *              number (including `0`), handles will push each other when reaching\n *              the minSpan.\n * @param maxSpan The range of dataZoom can not be larger than that.\n * @return The input handleEnds.\n */\nexport default function sliderMove(delta, handleEnds, extent, handleIndex, minSpan, maxSpan) {\n  delta = delta || 0;\n  var extentSpan = extent[1] - extent[0]; // Notice maxSpan and minSpan can be null/undefined.\n\n  if (minSpan != null) {\n    minSpan = restrict(minSpan, [0, extentSpan]);\n  }\n\n  if (maxSpan != null) {\n    maxSpan = Math.max(maxSpan, minSpan != null ? minSpan : 0);\n  }\n\n  if (handleIndex === 'all') {\n    var handleSpan = Math.abs(handleEnds[1] - handleEnds[0]);\n    handleSpan = restrict(handleSpan, [0, extentSpan]);\n    minSpan = maxSpan = restrict(handleSpan, [minSpan, maxSpan]);\n    handleIndex = 0;\n  }\n\n  handleEnds[0] = restrict(handleEnds[0], extent);\n  handleEnds[1] = restrict(handleEnds[1], extent);\n  var originalDistSign = getSpanSign(handleEnds, handleIndex);\n  handleEnds[handleIndex] += delta; // Restrict in extent.\n\n  var extentMinSpan = minSpan || 0;\n  var realExtent = extent.slice();\n  originalDistSign.sign < 0 ? realExtent[0] += extentMinSpan : realExtent[1] -= extentMinSpan;\n  handleEnds[handleIndex] = restrict(handleEnds[handleIndex], realExtent); // Expand span.\n\n  var currDistSign;\n  currDistSign = getSpanSign(handleEnds, handleIndex);\n\n  if (minSpan != null && (currDistSign.sign !== originalDistSign.sign || currDistSign.span < minSpan)) {\n    // If minSpan exists, 'cross' is forbidden.\n    handleEnds[1 - handleIndex] = handleEnds[handleIndex] + originalDistSign.sign * minSpan;\n  } // Shrink span.\n\n\n  currDistSign = getSpanSign(handleEnds, handleIndex);\n\n  if (maxSpan != null && currDistSign.span > maxSpan) {\n    handleEnds[1 - handleIndex] = handleEnds[handleIndex] + currDistSign.sign * maxSpan;\n  }\n\n  return handleEnds;\n}\n\nfunction getSpanSign(handleEnds, handleIndex) {\n  var dist = handleEnds[handleIndex] - handleEnds[1 - handleIndex]; // If `handleEnds[0] === handleEnds[1]`, always believe that handleEnd[0]\n  // is at left of handleEnds[1] for non-cross case.\n\n  return {\n    span: Math.abs(dist),\n    sign: dist > 0 ? -1 : dist < 0 ? 1 : handleIndex ? -1 : 1\n  };\n}\n\nfunction restrict(value, extend) {\n  return Math.min(extend[1] != null ? extend[1] : Infinity, Math.max(extend[0] != null ? extend[0] : -Infinity, value));\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Parallel Coordinates\n * <https://en.wikipedia.org/wiki/Parallel_coordinates>\n */\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as matrix from 'zrender/lib/core/matrix';\nimport * as layoutUtil from '../../util/layout';\nimport * as axisHelper from '../../coord/axisHelper';\nimport ParallelAxis from './ParallelAxis';\nimport * as graphic from '../../util/graphic';\nimport * as numberUtil from '../../util/number';\nimport sliderMove from '../../component/helper/sliderMove';\nvar each = zrUtil.each;\nvar mathMin = Math.min;\nvar mathMax = Math.max;\nvar mathFloor = Math.floor;\nvar mathCeil = Math.ceil;\nvar round = numberUtil.round;\nvar PI = Math.PI;\n\nvar Parallel =\n/** @class */\nfunction () {\n  function Parallel(parallelModel, ecModel, api) {\n    this.type = 'parallel';\n    /**\n     * key: dimension\n     */\n\n    this._axesMap = zrUtil.createHashMap();\n    /**\n     * key: dimension\n     * value: {position: [], rotation, }\n     */\n\n    this._axesLayout = {};\n    this.dimensions = parallelModel.dimensions;\n    this._model = parallelModel;\n\n    this._init(parallelModel, ecModel, api);\n  }\n\n  Parallel.prototype._init = function (parallelModel, ecModel, api) {\n    var dimensions = parallelModel.dimensions;\n    var parallelAxisIndex = parallelModel.parallelAxisIndex;\n    each(dimensions, function (dim, idx) {\n      var axisIndex = parallelAxisIndex[idx];\n      var axisModel = ecModel.getComponent('parallelAxis', axisIndex);\n\n      var axis = this._axesMap.set(dim, new ParallelAxis(dim, axisHelper.createScaleByModel(axisModel), [0, 0], axisModel.get('type'), axisIndex));\n\n      var isCategory = axis.type === 'category';\n      axis.onBand = isCategory && axisModel.get('boundaryGap');\n      axis.inverse = axisModel.get('inverse'); // Injection\n\n      axisModel.axis = axis;\n      axis.model = axisModel;\n      axis.coordinateSystem = axisModel.coordinateSystem = this;\n    }, this);\n  };\n  /**\n   * Update axis scale after data processed\n   */\n\n\n  Parallel.prototype.update = function (ecModel, api) {\n    this._updateAxesFromSeries(this._model, ecModel);\n  };\n\n  Parallel.prototype.containPoint = function (point) {\n    var layoutInfo = this._makeLayoutInfo();\n\n    var axisBase = layoutInfo.axisBase;\n    var layoutBase = layoutInfo.layoutBase;\n    var pixelDimIndex = layoutInfo.pixelDimIndex;\n    var pAxis = point[1 - pixelDimIndex];\n    var pLayout = point[pixelDimIndex];\n    return pAxis >= axisBase && pAxis <= axisBase + layoutInfo.axisLength && pLayout >= layoutBase && pLayout <= layoutBase + layoutInfo.layoutLength;\n  };\n\n  Parallel.prototype.getModel = function () {\n    return this._model;\n  };\n  /**\n   * Update properties from series\n   */\n\n\n  Parallel.prototype._updateAxesFromSeries = function (parallelModel, ecModel) {\n    ecModel.eachSeries(function (seriesModel) {\n      if (!parallelModel.contains(seriesModel, ecModel)) {\n        return;\n      }\n\n      var data = seriesModel.getData();\n      each(this.dimensions, function (dim) {\n        var axis = this._axesMap.get(dim);\n\n        axis.scale.unionExtentFromData(data, data.mapDimension(dim));\n        axisHelper.niceScaleExtent(axis.scale, axis.model);\n      }, this);\n    }, this);\n  };\n  /**\n   * Resize the parallel coordinate system.\n   */\n\n\n  Parallel.prototype.resize = function (parallelModel, api) {\n    this._rect = layoutUtil.getLayoutRect(parallelModel.getBoxLayoutParams(), {\n      width: api.getWidth(),\n      height: api.getHeight()\n    });\n\n    this._layoutAxes();\n  };\n\n  Parallel.prototype.getRect = function () {\n    return this._rect;\n  };\n\n  Parallel.prototype._makeLayoutInfo = function () {\n    var parallelModel = this._model;\n    var rect = this._rect;\n    var xy = ['x', 'y'];\n    var wh = ['width', 'height'];\n    var layout = parallelModel.get('layout');\n    var pixelDimIndex = layout === 'horizontal' ? 0 : 1;\n    var layoutLength = rect[wh[pixelDimIndex]];\n    var layoutExtent = [0, layoutLength];\n    var axisCount = this.dimensions.length;\n    var axisExpandWidth = restrict(parallelModel.get('axisExpandWidth'), layoutExtent);\n    var axisExpandCount = restrict(parallelModel.get('axisExpandCount') || 0, [0, axisCount]);\n    var axisExpandable = parallelModel.get('axisExpandable') && axisCount > 3 && axisCount > axisExpandCount && axisExpandCount > 1 && axisExpandWidth > 0 && layoutLength > 0; // `axisExpandWindow` is According to the coordinates of [0, axisExpandLength],\n    // for sake of consider the case that axisCollapseWidth is 0 (when screen is narrow),\n    // where collapsed axes should be overlapped.\n\n    var axisExpandWindow = parallelModel.get('axisExpandWindow');\n    var winSize;\n\n    if (!axisExpandWindow) {\n      winSize = restrict(axisExpandWidth * (axisExpandCount - 1), layoutExtent);\n      var axisExpandCenter = parallelModel.get('axisExpandCenter') || mathFloor(axisCount / 2);\n      axisExpandWindow = [axisExpandWidth * axisExpandCenter - winSize / 2];\n      axisExpandWindow[1] = axisExpandWindow[0] + winSize;\n    } else {\n      winSize = restrict(axisExpandWindow[1] - axisExpandWindow[0], layoutExtent);\n      axisExpandWindow[1] = axisExpandWindow[0] + winSize;\n    }\n\n    var axisCollapseWidth = (layoutLength - winSize) / (axisCount - axisExpandCount); // Avoid axisCollapseWidth is too small.\n\n    axisCollapseWidth < 3 && (axisCollapseWidth = 0); // Find the first and last indices > ewin[0] and < ewin[1].\n\n    var winInnerIndices = [mathFloor(round(axisExpandWindow[0] / axisExpandWidth, 1)) + 1, mathCeil(round(axisExpandWindow[1] / axisExpandWidth, 1)) - 1]; // Pos in ec coordinates.\n\n    var axisExpandWindow0Pos = axisCollapseWidth / axisExpandWidth * axisExpandWindow[0];\n    return {\n      layout: layout,\n      pixelDimIndex: pixelDimIndex,\n      layoutBase: rect[xy[pixelDimIndex]],\n      layoutLength: layoutLength,\n      axisBase: rect[xy[1 - pixelDimIndex]],\n      axisLength: rect[wh[1 - pixelDimIndex]],\n      axisExpandable: axisExpandable,\n      axisExpandWidth: axisExpandWidth,\n      axisCollapseWidth: axisCollapseWidth,\n      axisExpandWindow: axisExpandWindow,\n      axisCount: axisCount,\n      winInnerIndices: winInnerIndices,\n      axisExpandWindow0Pos: axisExpandWindow0Pos\n    };\n  };\n\n  Parallel.prototype._layoutAxes = function () {\n    var rect = this._rect;\n    var axes = this._axesMap;\n    var dimensions = this.dimensions;\n\n    var layoutInfo = this._makeLayoutInfo();\n\n    var layout = layoutInfo.layout;\n    axes.each(function (axis) {\n      var axisExtent = [0, layoutInfo.axisLength];\n      var idx = axis.inverse ? 1 : 0;\n      axis.setExtent(axisExtent[idx], axisExtent[1 - idx]);\n    });\n    each(dimensions, function (dim, idx) {\n      var posInfo = (layoutInfo.axisExpandable ? layoutAxisWithExpand : layoutAxisWithoutExpand)(idx, layoutInfo);\n      var positionTable = {\n        horizontal: {\n          x: posInfo.position,\n          y: layoutInfo.axisLength\n        },\n        vertical: {\n          x: 0,\n          y: posInfo.position\n        }\n      };\n      var rotationTable = {\n        horizontal: PI / 2,\n        vertical: 0\n      };\n      var position = [positionTable[layout].x + rect.x, positionTable[layout].y + rect.y];\n      var rotation = rotationTable[layout];\n      var transform = matrix.create();\n      matrix.rotate(transform, transform, rotation);\n      matrix.translate(transform, transform, position); // TODO\n      // tick layout info\n      // TODO\n      // update dimensions info based on axis order.\n\n      this._axesLayout[dim] = {\n        position: position,\n        rotation: rotation,\n        transform: transform,\n        axisNameAvailableWidth: posInfo.axisNameAvailableWidth,\n        axisLabelShow: posInfo.axisLabelShow,\n        nameTruncateMaxWidth: posInfo.nameTruncateMaxWidth,\n        tickDirection: 1,\n        labelDirection: 1\n      };\n    }, this);\n  };\n  /**\n   * Get axis by dim.\n   */\n\n\n  Parallel.prototype.getAxis = function (dim) {\n    return this._axesMap.get(dim);\n  };\n  /**\n   * Convert a dim value of a single item of series data to Point.\n   */\n\n\n  Parallel.prototype.dataToPoint = function (value, dim) {\n    return this.axisCoordToPoint(this._axesMap.get(dim).dataToCoord(value), dim);\n  };\n  /**\n   * Travel data for one time, get activeState of each data item.\n   * @param start the start dataIndex that travel from.\n   * @param end the next dataIndex of the last dataIndex will be travel.\n   */\n\n\n  Parallel.prototype.eachActiveState = function (data, callback, start, end) {\n    start == null && (start = 0);\n    end == null && (end = data.count());\n    var axesMap = this._axesMap;\n    var dimensions = this.dimensions;\n    var dataDimensions = [];\n    var axisModels = [];\n    zrUtil.each(dimensions, function (axisDim) {\n      dataDimensions.push(data.mapDimension(axisDim));\n      axisModels.push(axesMap.get(axisDim).model);\n    });\n    var hasActiveSet = this.hasAxisBrushed();\n\n    for (var dataIndex = start; dataIndex < end; dataIndex++) {\n      var activeState = void 0;\n\n      if (!hasActiveSet) {\n        activeState = 'normal';\n      } else {\n        activeState = 'active';\n        var values = data.getValues(dataDimensions, dataIndex);\n\n        for (var j = 0, lenj = dimensions.length; j < lenj; j++) {\n          var state = axisModels[j].getActiveState(values[j]);\n\n          if (state === 'inactive') {\n            activeState = 'inactive';\n            break;\n          }\n        }\n      }\n\n      callback(activeState, dataIndex);\n    }\n  };\n  /**\n   * Whether has any activeSet.\n   */\n\n\n  Parallel.prototype.hasAxisBrushed = function () {\n    var dimensions = this.dimensions;\n    var axesMap = this._axesMap;\n    var hasActiveSet = false;\n\n    for (var j = 0, lenj = dimensions.length; j < lenj; j++) {\n      if (axesMap.get(dimensions[j]).model.getActiveState() !== 'normal') {\n        hasActiveSet = true;\n      }\n    }\n\n    return hasActiveSet;\n  };\n  /**\n   * Convert coords of each axis to Point.\n   *  Return point. For example: [10, 20]\n   */\n\n\n  Parallel.prototype.axisCoordToPoint = function (coord, dim) {\n    var axisLayout = this._axesLayout[dim];\n    return graphic.applyTransform([coord, 0], axisLayout.transform);\n  };\n  /**\n   * Get axis layout.\n   */\n\n\n  Parallel.prototype.getAxisLayout = function (dim) {\n    return zrUtil.clone(this._axesLayout[dim]);\n  };\n  /**\n   * @return {Object} {axisExpandWindow, delta, behavior: 'jump' | 'slide' | 'none'}.\n   */\n\n\n  Parallel.prototype.getSlidedAxisExpandWindow = function (point) {\n    var layoutInfo = this._makeLayoutInfo();\n\n    var pixelDimIndex = layoutInfo.pixelDimIndex;\n    var axisExpandWindow = layoutInfo.axisExpandWindow.slice();\n    var winSize = axisExpandWindow[1] - axisExpandWindow[0];\n    var extent = [0, layoutInfo.axisExpandWidth * (layoutInfo.axisCount - 1)]; // Out of the area of coordinate system.\n\n    if (!this.containPoint(point)) {\n      return {\n        behavior: 'none',\n        axisExpandWindow: axisExpandWindow\n      };\n    } // Conver the point from global to expand coordinates.\n\n\n    var pointCoord = point[pixelDimIndex] - layoutInfo.layoutBase - layoutInfo.axisExpandWindow0Pos; // For dragging operation convenience, the window should not be\n    // slided when mouse is the center area of the window.\n\n    var delta;\n    var behavior = 'slide';\n    var axisCollapseWidth = layoutInfo.axisCollapseWidth;\n\n    var triggerArea = this._model.get('axisExpandSlideTriggerArea'); // But consider touch device, jump is necessary.\n\n\n    var useJump = triggerArea[0] != null;\n\n    if (axisCollapseWidth) {\n      if (useJump && axisCollapseWidth && pointCoord < winSize * triggerArea[0]) {\n        behavior = 'jump';\n        delta = pointCoord - winSize * triggerArea[2];\n      } else if (useJump && axisCollapseWidth && pointCoord > winSize * (1 - triggerArea[0])) {\n        behavior = 'jump';\n        delta = pointCoord - winSize * (1 - triggerArea[2]);\n      } else {\n        (delta = pointCoord - winSize * triggerArea[1]) >= 0 && (delta = pointCoord - winSize * (1 - triggerArea[1])) <= 0 && (delta = 0);\n      }\n\n      delta *= layoutInfo.axisExpandWidth / axisCollapseWidth;\n      delta ? sliderMove(delta, axisExpandWindow, extent, 'all') // Avoid nonsense triger on mousemove.\n      : behavior = 'none';\n    } // When screen is too narrow, make it visible and slidable, although it is hard to interact.\n    else {\n        var winSize2 = axisExpandWindow[1] - axisExpandWindow[0];\n        var pos = extent[1] * pointCoord / winSize2;\n        axisExpandWindow = [mathMax(0, pos - winSize2 / 2)];\n        axisExpandWindow[1] = mathMin(extent[1], axisExpandWindow[0] + winSize2);\n        axisExpandWindow[0] = axisExpandWindow[1] - winSize2;\n      }\n\n    return {\n      axisExpandWindow: axisExpandWindow,\n      behavior: behavior\n    };\n  };\n\n  return Parallel;\n}();\n\nfunction restrict(len, extent) {\n  return mathMin(mathMax(len, extent[0]), extent[1]);\n}\n\nfunction layoutAxisWithoutExpand(axisIndex, layoutInfo) {\n  var step = layoutInfo.layoutLength / (layoutInfo.axisCount - 1);\n  return {\n    position: step * axisIndex,\n    axisNameAvailableWidth: step,\n    axisLabelShow: true\n  };\n}\n\nfunction layoutAxisWithExpand(axisIndex, layoutInfo) {\n  var layoutLength = layoutInfo.layoutLength;\n  var axisExpandWidth = layoutInfo.axisExpandWidth;\n  var axisCount = layoutInfo.axisCount;\n  var axisCollapseWidth = layoutInfo.axisCollapseWidth;\n  var winInnerIndices = layoutInfo.winInnerIndices;\n  var position;\n  var axisNameAvailableWidth = axisCollapseWidth;\n  var axisLabelShow = false;\n  var nameTruncateMaxWidth;\n\n  if (axisIndex < winInnerIndices[0]) {\n    position = axisIndex * axisCollapseWidth;\n    nameTruncateMaxWidth = axisCollapseWidth;\n  } else if (axisIndex <= winInnerIndices[1]) {\n    position = layoutInfo.axisExpandWindow0Pos + axisIndex * axisExpandWidth - layoutInfo.axisExpandWindow[0];\n    axisNameAvailableWidth = axisExpandWidth;\n    axisLabelShow = true;\n  } else {\n    position = layoutLength - (axisCount - 1 - axisIndex) * axisCollapseWidth;\n    nameTruncateMaxWidth = axisCollapseWidth;\n  }\n\n  return {\n    position: position,\n    axisNameAvailableWidth: axisNameAvailableWidth,\n    axisLabelShow: axisLabelShow,\n    nameTruncateMaxWidth: nameTruncateMaxWidth\n  };\n}\n\nexport default Parallel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Parallel coordinate system creater.\n */\nimport Parallel from './Parallel';\nimport { SINGLE_REFERRING } from '../../util/model';\n\nfunction createParallelCoordSys(ecModel, api) {\n  var coordSysList = [];\n  ecModel.eachComponent('parallel', function (parallelModel, idx) {\n    var coordSys = new Parallel(parallelModel, ecModel, api);\n    coordSys.name = 'parallel_' + idx;\n    coordSys.resize(parallelModel, api);\n    parallelModel.coordinateSystem = coordSys;\n    coordSys.model = parallelModel;\n    coordSysList.push(coordSys);\n  }); // Inject the coordinateSystems into seriesModel\n\n  ecModel.eachSeries(function (seriesModel) {\n    if (seriesModel.get('coordinateSystem') === 'parallel') {\n      var parallelModel = seriesModel.getReferringComponents('parallel', SINGLE_REFERRING).models[0];\n      seriesModel.coordinateSystem = parallelModel.coordinateSystem;\n    }\n  });\n  return coordSysList;\n}\n\nvar parallelCoordSysCreator = {\n  create: createParallelCoordSys\n};\nexport default parallelCoordSysCreator;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport ComponentModel from '../../model/Component';\nimport makeStyleMapper from '../../model/mixin/makeStyleMapper';\nimport * as numberUtil from '../../util/number';\nimport { AxisModelCommonMixin } from '../axisModelCommonMixin';\n\nvar ParallelAxisModel =\n/** @class */\nfunction (_super) {\n  __extends(ParallelAxisModel, _super);\n\n  function ParallelAxisModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ParallelAxisModel.type;\n    /**\n     * @readOnly\n     */\n\n    _this.activeIntervals = [];\n    return _this;\n  }\n\n  ParallelAxisModel.prototype.getAreaSelectStyle = function () {\n    return makeStyleMapper([['fill', 'color'], ['lineWidth', 'borderWidth'], ['stroke', 'borderColor'], ['width', 'width'], ['opacity', 'opacity'] // Option decal is in `DecalObject` but style.decal is in `PatternObject`.\n    // So do not transfer decal directly.\n    ])(this.getModel('areaSelectStyle'));\n  };\n  /**\n   * The code of this feature is put on AxisModel but not ParallelAxis,\n   * because axisModel can be alive after echarts updating but instance of\n   * ParallelAxis having been disposed. this._activeInterval should be kept\n   * when action dispatched (i.e. legend click).\n   *\n   * @param intervals `interval.length === 0` means set all active.\n   */\n\n\n  ParallelAxisModel.prototype.setActiveIntervals = function (intervals) {\n    var activeIntervals = this.activeIntervals = zrUtil.clone(intervals); // Normalize\n\n    if (activeIntervals) {\n      for (var i = activeIntervals.length - 1; i >= 0; i--) {\n        numberUtil.asc(activeIntervals[i]);\n      }\n    }\n  };\n  /**\n   * @param value When only attempting detect whether 'no activeIntervals set',\n   *        `value` is not needed to be input.\n   */\n\n\n  ParallelAxisModel.prototype.getActiveState = function (value) {\n    var activeIntervals = this.activeIntervals;\n\n    if (!activeIntervals.length) {\n      return 'normal';\n    }\n\n    if (value == null || isNaN(+value)) {\n      return 'inactive';\n    } // Simple optimization\n\n\n    if (activeIntervals.length === 1) {\n      var interval = activeIntervals[0];\n\n      if (interval[0] <= value && value <= interval[1]) {\n        return 'active';\n      }\n    } else {\n      for (var i = 0, len = activeIntervals.length; i < len; i++) {\n        if (activeIntervals[i][0] <= value && value <= activeIntervals[i][1]) {\n          return 'active';\n        }\n      }\n    }\n\n    return 'inactive';\n  };\n\n  return ParallelAxisModel;\n}(ComponentModel);\n\nzrUtil.mixin(ParallelAxisModel, AxisModelCommonMixin);\nexport default ParallelAxisModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport { curry, each, map, bind, merge, clone, defaults, assert } from 'zrender/lib/core/util';\nimport Eventful from 'zrender/lib/core/Eventful';\nimport * as graphic from '../../util/graphic';\nimport * as interactionMutex from './interactionMutex';\nimport DataDiffer from '../../data/DataDiffer';\nvar BRUSH_PANEL_GLOBAL = true;\nvar mathMin = Math.min;\nvar mathMax = Math.max;\nvar mathPow = Math.pow;\nvar COVER_Z = 10000;\nvar UNSELECT_THRESHOLD = 6;\nvar MIN_RESIZE_LINE_WIDTH = 6;\nvar MUTEX_RESOURCE_KEY = 'globalPan';\nvar DIRECTION_MAP = {\n  w: [0, 0],\n  e: [0, 1],\n  n: [1, 0],\n  s: [1, 1]\n};\nvar CURSOR_MAP = {\n  w: 'ew',\n  e: 'ew',\n  n: 'ns',\n  s: 'ns',\n  ne: 'nesw',\n  sw: 'nesw',\n  nw: 'nwse',\n  se: 'nwse'\n};\nvar DEFAULT_BRUSH_OPT = {\n  brushStyle: {\n    lineWidth: 2,\n    stroke: 'rgba(210,219,238,0.3)',\n    fill: '#D2DBEE'\n  },\n  transformable: true,\n  brushMode: 'single',\n  removeOnClick: false\n};\nvar baseUID = 0;\n/**\n * params:\n *     areas: Array.<Array>, coord relates to container group,\n *                             If no container specified, to global.\n *     opt {\n *         isEnd: boolean,\n *         removeOnClick: boolean\n *     }\n */\n\nvar BrushController =\n/** @class */\nfunction (_super) {\n  __extends(BrushController, _super);\n\n  function BrushController(zr) {\n    var _this = _super.call(this) || this;\n    /**\n     * @internal\n     */\n\n\n    _this._track = [];\n    /**\n     * @internal\n     */\n\n    _this._covers = [];\n    _this._handlers = {};\n\n    if (process.env.NODE_ENV !== 'production') {\n      assert(zr);\n    }\n\n    _this._zr = zr;\n    _this.group = new graphic.Group();\n    _this._uid = 'brushController_' + baseUID++;\n    each(pointerHandlers, function (handler, eventName) {\n      this._handlers[eventName] = bind(handler, this);\n    }, _this);\n    return _this;\n  }\n  /**\n   * If set to `false`, select disabled.\n   */\n\n\n  BrushController.prototype.enableBrush = function (brushOption) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(this._mounted);\n    }\n\n    this._brushType && this._doDisableBrush();\n    brushOption.brushType && this._doEnableBrush(brushOption);\n    return this;\n  };\n\n  BrushController.prototype._doEnableBrush = function (brushOption) {\n    var zr = this._zr; // Consider roam, which takes globalPan too.\n\n    if (!this._enableGlobalPan) {\n      interactionMutex.take(zr, MUTEX_RESOURCE_KEY, this._uid);\n    }\n\n    each(this._handlers, function (handler, eventName) {\n      zr.on(eventName, handler);\n    });\n    this._brushType = brushOption.brushType;\n    this._brushOption = merge(clone(DEFAULT_BRUSH_OPT), brushOption, true);\n  };\n\n  BrushController.prototype._doDisableBrush = function () {\n    var zr = this._zr;\n    interactionMutex.release(zr, MUTEX_RESOURCE_KEY, this._uid);\n    each(this._handlers, function (handler, eventName) {\n      zr.off(eventName, handler);\n    });\n    this._brushType = this._brushOption = null;\n  };\n  /**\n   * @param panelOpts If not pass, it is global brush.\n   */\n\n\n  BrushController.prototype.setPanels = function (panelOpts) {\n    if (panelOpts && panelOpts.length) {\n      var panels_1 = this._panels = {};\n      each(panelOpts, function (panelOpts) {\n        panels_1[panelOpts.panelId] = clone(panelOpts);\n      });\n    } else {\n      this._panels = null;\n    }\n\n    return this;\n  };\n\n  BrushController.prototype.mount = function (opt) {\n    opt = opt || {};\n\n    if (process.env.NODE_ENV !== 'production') {\n      this._mounted = true; // should be at first.\n    }\n\n    this._enableGlobalPan = opt.enableGlobalPan;\n    var thisGroup = this.group;\n\n    this._zr.add(thisGroup);\n\n    thisGroup.attr({\n      x: opt.x || 0,\n      y: opt.y || 0,\n      rotation: opt.rotation || 0,\n      scaleX: opt.scaleX || 1,\n      scaleY: opt.scaleY || 1\n    });\n    this._transform = thisGroup.getLocalTransform();\n    return this;\n  }; // eachCover(cb, context): void {\n  //     each(this._covers, cb, context);\n  // }\n\n  /**\n   * Update covers.\n   * @param coverConfigList\n   *        If coverConfigList is null/undefined, all covers removed.\n   */\n\n\n  BrushController.prototype.updateCovers = function (coverConfigList) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(this._mounted);\n    }\n\n    coverConfigList = map(coverConfigList, function (coverConfig) {\n      return merge(clone(DEFAULT_BRUSH_OPT), coverConfig, true);\n    });\n    var tmpIdPrefix = '\\0-brush-index-';\n    var oldCovers = this._covers;\n    var newCovers = this._covers = [];\n    var controller = this;\n    var creatingCover = this._creatingCover;\n    new DataDiffer(oldCovers, coverConfigList, oldGetKey, getKey).add(addOrUpdate).update(addOrUpdate).remove(remove).execute();\n    return this;\n\n    function getKey(brushOption, index) {\n      return (brushOption.id != null ? brushOption.id : tmpIdPrefix + index) + '-' + brushOption.brushType;\n    }\n\n    function oldGetKey(cover, index) {\n      return getKey(cover.__brushOption, index);\n    }\n\n    function addOrUpdate(newIndex, oldIndex) {\n      var newBrushInternal = coverConfigList[newIndex]; // Consider setOption in event listener of brushSelect,\n      // where updating cover when creating should be forbiden.\n\n      if (oldIndex != null && oldCovers[oldIndex] === creatingCover) {\n        newCovers[newIndex] = oldCovers[oldIndex];\n      } else {\n        var cover = newCovers[newIndex] = oldIndex != null ? (oldCovers[oldIndex].__brushOption = newBrushInternal, oldCovers[oldIndex]) : endCreating(controller, createCover(controller, newBrushInternal));\n        updateCoverAfterCreation(controller, cover);\n      }\n    }\n\n    function remove(oldIndex) {\n      if (oldCovers[oldIndex] !== creatingCover) {\n        controller.group.remove(oldCovers[oldIndex]);\n      }\n    }\n  };\n\n  BrushController.prototype.unmount = function () {\n    if (process.env.NODE_ENV !== 'production') {\n      if (!this._mounted) {\n        return;\n      }\n    }\n\n    this.enableBrush(false); // container may 'removeAll' outside.\n\n    clearCovers(this);\n\n    this._zr.remove(this.group);\n\n    if (process.env.NODE_ENV !== 'production') {\n      this._mounted = false; // should be at last.\n    }\n\n    return this;\n  };\n\n  BrushController.prototype.dispose = function () {\n    this.unmount();\n    this.off();\n  };\n\n  return BrushController;\n}(Eventful);\n\nfunction createCover(controller, brushOption) {\n  var cover = coverRenderers[brushOption.brushType].createCover(controller, brushOption);\n  cover.__brushOption = brushOption;\n  updateZ(cover, brushOption);\n  controller.group.add(cover);\n  return cover;\n}\n\nfunction endCreating(controller, creatingCover) {\n  var coverRenderer = getCoverRenderer(creatingCover);\n\n  if (coverRenderer.endCreating) {\n    coverRenderer.endCreating(controller, creatingCover);\n    updateZ(creatingCover, creatingCover.__brushOption);\n  }\n\n  return creatingCover;\n}\n\nfunction updateCoverShape(controller, cover) {\n  var brushOption = cover.__brushOption;\n  getCoverRenderer(cover).updateCoverShape(controller, cover, brushOption.range, brushOption);\n}\n\nfunction updateZ(cover, brushOption) {\n  var z = brushOption.z;\n  z == null && (z = COVER_Z);\n  cover.traverse(function (el) {\n    el.z = z;\n    el.z2 = z; // Consider in given container.\n  });\n}\n\nfunction updateCoverAfterCreation(controller, cover) {\n  getCoverRenderer(cover).updateCommon(controller, cover);\n  updateCoverShape(controller, cover);\n}\n\nfunction getCoverRenderer(cover) {\n  return coverRenderers[cover.__brushOption.brushType];\n} // return target panel or `true` (means global panel)\n\n\nfunction getPanelByPoint(controller, e, localCursorPoint) {\n  var panels = controller._panels;\n\n  if (!panels) {\n    return BRUSH_PANEL_GLOBAL; // Global panel\n  }\n\n  var panel;\n  var transform = controller._transform;\n  each(panels, function (pn) {\n    pn.isTargetByCursor(e, localCursorPoint, transform) && (panel = pn);\n  });\n  return panel;\n} // Return a panel or true\n\n\nfunction getPanelByCover(controller, cover) {\n  var panels = controller._panels;\n\n  if (!panels) {\n    return BRUSH_PANEL_GLOBAL; // Global panel\n  }\n\n  var panelId = cover.__brushOption.panelId; // User may give cover without coord sys info,\n  // which is then treated as global panel.\n\n  return panelId != null ? panels[panelId] : BRUSH_PANEL_GLOBAL;\n}\n\nfunction clearCovers(controller) {\n  var covers = controller._covers;\n  var originalLength = covers.length;\n  each(covers, function (cover) {\n    controller.group.remove(cover);\n  }, controller);\n  covers.length = 0;\n  return !!originalLength;\n}\n\nfunction trigger(controller, opt) {\n  var areas = map(controller._covers, function (cover) {\n    var brushOption = cover.__brushOption;\n    var range = clone(brushOption.range);\n    return {\n      brushType: brushOption.brushType,\n      panelId: brushOption.panelId,\n      range: range\n    };\n  });\n  controller.trigger('brush', {\n    areas: areas,\n    isEnd: !!opt.isEnd,\n    removeOnClick: !!opt.removeOnClick\n  });\n}\n\nfunction shouldShowCover(controller) {\n  var track = controller._track;\n\n  if (!track.length) {\n    return false;\n  }\n\n  var p2 = track[track.length - 1];\n  var p1 = track[0];\n  var dx = p2[0] - p1[0];\n  var dy = p2[1] - p1[1];\n  var dist = mathPow(dx * dx + dy * dy, 0.5);\n  return dist > UNSELECT_THRESHOLD;\n}\n\nfunction getTrackEnds(track) {\n  var tail = track.length - 1;\n  tail < 0 && (tail = 0);\n  return [track[0], track[tail]];\n}\n\n;\n\nfunction createBaseRectCover(rectRangeConverter, controller, brushOption, edgeNameSequences) {\n  var cover = new graphic.Group();\n  cover.add(new graphic.Rect({\n    name: 'main',\n    style: makeStyle(brushOption),\n    silent: true,\n    draggable: true,\n    cursor: 'move',\n    drift: curry(driftRect, rectRangeConverter, controller, cover, ['n', 's', 'w', 'e']),\n    ondragend: curry(trigger, controller, {\n      isEnd: true\n    })\n  }));\n  each(edgeNameSequences, function (nameSequence) {\n    cover.add(new graphic.Rect({\n      name: nameSequence.join(''),\n      style: {\n        opacity: 0\n      },\n      draggable: true,\n      silent: true,\n      invisible: true,\n      drift: curry(driftRect, rectRangeConverter, controller, cover, nameSequence),\n      ondragend: curry(trigger, controller, {\n        isEnd: true\n      })\n    }));\n  });\n  return cover;\n}\n\nfunction updateBaseRect(controller, cover, localRange, brushOption) {\n  var lineWidth = brushOption.brushStyle.lineWidth || 0;\n  var handleSize = mathMax(lineWidth, MIN_RESIZE_LINE_WIDTH);\n  var x = localRange[0][0];\n  var y = localRange[1][0];\n  var xa = x - lineWidth / 2;\n  var ya = y - lineWidth / 2;\n  var x2 = localRange[0][1];\n  var y2 = localRange[1][1];\n  var x2a = x2 - handleSize + lineWidth / 2;\n  var y2a = y2 - handleSize + lineWidth / 2;\n  var width = x2 - x;\n  var height = y2 - y;\n  var widtha = width + lineWidth;\n  var heighta = height + lineWidth;\n  updateRectShape(controller, cover, 'main', x, y, width, height);\n\n  if (brushOption.transformable) {\n    updateRectShape(controller, cover, 'w', xa, ya, handleSize, heighta);\n    updateRectShape(controller, cover, 'e', x2a, ya, handleSize, heighta);\n    updateRectShape(controller, cover, 'n', xa, ya, widtha, handleSize);\n    updateRectShape(controller, cover, 's', xa, y2a, widtha, handleSize);\n    updateRectShape(controller, cover, 'nw', xa, ya, handleSize, handleSize);\n    updateRectShape(controller, cover, 'ne', x2a, ya, handleSize, handleSize);\n    updateRectShape(controller, cover, 'sw', xa, y2a, handleSize, handleSize);\n    updateRectShape(controller, cover, 'se', x2a, y2a, handleSize, handleSize);\n  }\n}\n\nfunction updateCommon(controller, cover) {\n  var brushOption = cover.__brushOption;\n  var transformable = brushOption.transformable;\n  var mainEl = cover.childAt(0);\n  mainEl.useStyle(makeStyle(brushOption));\n  mainEl.attr({\n    silent: !transformable,\n    cursor: transformable ? 'move' : 'default'\n  });\n  each([['w'], ['e'], ['n'], ['s'], ['s', 'e'], ['s', 'w'], ['n', 'e'], ['n', 'w']], function (nameSequence) {\n    var el = cover.childOfName(nameSequence.join(''));\n    var globalDir = nameSequence.length === 1 ? getGlobalDirection1(controller, nameSequence[0]) : getGlobalDirection2(controller, nameSequence);\n    el && el.attr({\n      silent: !transformable,\n      invisible: !transformable,\n      cursor: transformable ? CURSOR_MAP[globalDir] + '-resize' : null\n    });\n  });\n}\n\nfunction updateRectShape(controller, cover, name, x, y, w, h) {\n  var el = cover.childOfName(name);\n  el && el.setShape(pointsToRect(clipByPanel(controller, cover, [[x, y], [x + w, y + h]])));\n}\n\nfunction makeStyle(brushOption) {\n  return defaults({\n    strokeNoScale: true\n  }, brushOption.brushStyle);\n}\n\nfunction formatRectRange(x, y, x2, y2) {\n  var min = [mathMin(x, x2), mathMin(y, y2)];\n  var max = [mathMax(x, x2), mathMax(y, y2)];\n  return [[min[0], max[0]], [min[1], max[1]] // y range\n  ];\n}\n\nfunction getTransform(controller) {\n  return graphic.getTransform(controller.group);\n}\n\nfunction getGlobalDirection1(controller, localDirName) {\n  var map = {\n    w: 'left',\n    e: 'right',\n    n: 'top',\n    s: 'bottom'\n  };\n  var inverseMap = {\n    left: 'w',\n    right: 'e',\n    top: 'n',\n    bottom: 's'\n  };\n  var dir = graphic.transformDirection(map[localDirName], getTransform(controller));\n  return inverseMap[dir];\n}\n\nfunction getGlobalDirection2(controller, localDirNameSeq) {\n  var globalDir = [getGlobalDirection1(controller, localDirNameSeq[0]), getGlobalDirection1(controller, localDirNameSeq[1])];\n  (globalDir[0] === 'e' || globalDir[0] === 'w') && globalDir.reverse();\n  return globalDir.join('');\n}\n\nfunction driftRect(rectRangeConverter, controller, cover, dirNameSequence, dx, dy) {\n  var brushOption = cover.__brushOption;\n  var rectRange = rectRangeConverter.toRectRange(brushOption.range);\n  var localDelta = toLocalDelta(controller, dx, dy);\n  each(dirNameSequence, function (dirName) {\n    var ind = DIRECTION_MAP[dirName];\n    rectRange[ind[0]][ind[1]] += localDelta[ind[0]];\n  });\n  brushOption.range = rectRangeConverter.fromRectRange(formatRectRange(rectRange[0][0], rectRange[1][0], rectRange[0][1], rectRange[1][1]));\n  updateCoverAfterCreation(controller, cover);\n  trigger(controller, {\n    isEnd: false\n  });\n}\n\nfunction driftPolygon(controller, cover, dx, dy) {\n  var range = cover.__brushOption.range;\n  var localDelta = toLocalDelta(controller, dx, dy);\n  each(range, function (point) {\n    point[0] += localDelta[0];\n    point[1] += localDelta[1];\n  });\n  updateCoverAfterCreation(controller, cover);\n  trigger(controller, {\n    isEnd: false\n  });\n}\n\nfunction toLocalDelta(controller, dx, dy) {\n  var thisGroup = controller.group;\n  var localD = thisGroup.transformCoordToLocal(dx, dy);\n  var localZero = thisGroup.transformCoordToLocal(0, 0);\n  return [localD[0] - localZero[0], localD[1] - localZero[1]];\n}\n\nfunction clipByPanel(controller, cover, data) {\n  var panel = getPanelByCover(controller, cover);\n  return panel && panel !== BRUSH_PANEL_GLOBAL ? panel.clipPath(data, controller._transform) : clone(data);\n}\n\nfunction pointsToRect(points) {\n  var xmin = mathMin(points[0][0], points[1][0]);\n  var ymin = mathMin(points[0][1], points[1][1]);\n  var xmax = mathMax(points[0][0], points[1][0]);\n  var ymax = mathMax(points[0][1], points[1][1]);\n  return {\n    x: xmin,\n    y: ymin,\n    width: xmax - xmin,\n    height: ymax - ymin\n  };\n}\n\nfunction resetCursor(controller, e, localCursorPoint) {\n  if ( // Check active\n  !controller._brushType // resetCursor should be always called when mouse is in zr area,\n  // but not called when mouse is out of zr area to avoid bad influence\n  // if `mousemove`, `mouseup` are triggered from `document` event.\n  || isOutsideZrArea(controller, e.offsetX, e.offsetY)) {\n    return;\n  }\n\n  var zr = controller._zr;\n  var covers = controller._covers;\n  var currPanel = getPanelByPoint(controller, e, localCursorPoint); // Check whether in covers.\n\n  if (!controller._dragging) {\n    for (var i = 0; i < covers.length; i++) {\n      var brushOption = covers[i].__brushOption;\n\n      if (currPanel && (currPanel === BRUSH_PANEL_GLOBAL || brushOption.panelId === currPanel.panelId) && coverRenderers[brushOption.brushType].contain(covers[i], localCursorPoint[0], localCursorPoint[1])) {\n        // Use cursor style set on cover.\n        return;\n      }\n    }\n  }\n\n  currPanel && zr.setCursorStyle('crosshair');\n}\n\nfunction preventDefault(e) {\n  var rawE = e.event;\n  rawE.preventDefault && rawE.preventDefault();\n}\n\nfunction mainShapeContain(cover, x, y) {\n  return cover.childOfName('main').contain(x, y);\n}\n\nfunction updateCoverByMouse(controller, e, localCursorPoint, isEnd) {\n  var creatingCover = controller._creatingCover;\n  var panel = controller._creatingPanel;\n  var thisBrushOption = controller._brushOption;\n  var eventParams;\n\n  controller._track.push(localCursorPoint.slice());\n\n  if (shouldShowCover(controller) || creatingCover) {\n    if (panel && !creatingCover) {\n      thisBrushOption.brushMode === 'single' && clearCovers(controller);\n      var brushOption = clone(thisBrushOption);\n      brushOption.brushType = determineBrushType(brushOption.brushType, panel);\n      brushOption.panelId = panel === BRUSH_PANEL_GLOBAL ? null : panel.panelId;\n      creatingCover = controller._creatingCover = createCover(controller, brushOption);\n\n      controller._covers.push(creatingCover);\n    }\n\n    if (creatingCover) {\n      var coverRenderer = coverRenderers[determineBrushType(controller._brushType, panel)];\n      var coverBrushOption = creatingCover.__brushOption;\n      coverBrushOption.range = coverRenderer.getCreatingRange(clipByPanel(controller, creatingCover, controller._track));\n\n      if (isEnd) {\n        endCreating(controller, creatingCover);\n        coverRenderer.updateCommon(controller, creatingCover);\n      }\n\n      updateCoverShape(controller, creatingCover);\n      eventParams = {\n        isEnd: isEnd\n      };\n    }\n  } else if (isEnd && thisBrushOption.brushMode === 'single' && thisBrushOption.removeOnClick) {\n    // Help user to remove covers easily, only by a tiny drag, in 'single' mode.\n    // But a single click do not clear covers, because user may have casual\n    // clicks (for example, click on other component and do not expect covers\n    // disappear).\n    // Only some cover removed, trigger action, but not every click trigger action.\n    if (getPanelByPoint(controller, e, localCursorPoint) && clearCovers(controller)) {\n      eventParams = {\n        isEnd: isEnd,\n        removeOnClick: true\n      };\n    }\n  }\n\n  return eventParams;\n}\n\nfunction determineBrushType(brushType, panel) {\n  if (brushType === 'auto') {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(panel && panel.defaultBrushType, 'MUST have defaultBrushType when brushType is \"atuo\"');\n    }\n\n    return panel.defaultBrushType;\n  }\n\n  return brushType;\n}\n\nvar pointerHandlers = {\n  mousedown: function (e) {\n    if (this._dragging) {\n      // In case some browser do not support globalOut,\n      // and release mouse out side the browser.\n      handleDragEnd(this, e);\n    } else if (!e.target || !e.target.draggable) {\n      preventDefault(e);\n      var localCursorPoint = this.group.transformCoordToLocal(e.offsetX, e.offsetY);\n      this._creatingCover = null;\n      var panel = this._creatingPanel = getPanelByPoint(this, e, localCursorPoint);\n\n      if (panel) {\n        this._dragging = true;\n        this._track = [localCursorPoint.slice()];\n      }\n    }\n  },\n  mousemove: function (e) {\n    var x = e.offsetX;\n    var y = e.offsetY;\n    var localCursorPoint = this.group.transformCoordToLocal(x, y);\n    resetCursor(this, e, localCursorPoint);\n\n    if (this._dragging) {\n      preventDefault(e);\n      var eventParams = updateCoverByMouse(this, e, localCursorPoint, false);\n      eventParams && trigger(this, eventParams);\n    }\n  },\n  mouseup: function (e) {\n    handleDragEnd(this, e);\n  }\n};\n\nfunction handleDragEnd(controller, e) {\n  if (controller._dragging) {\n    preventDefault(e);\n    var x = e.offsetX;\n    var y = e.offsetY;\n    var localCursorPoint = controller.group.transformCoordToLocal(x, y);\n    var eventParams = updateCoverByMouse(controller, e, localCursorPoint, true);\n    controller._dragging = false;\n    controller._track = [];\n    controller._creatingCover = null; // trigger event shoule be at final, after procedure will be nested.\n\n    eventParams && trigger(controller, eventParams);\n  }\n}\n\nfunction isOutsideZrArea(controller, x, y) {\n  var zr = controller._zr;\n  return x < 0 || x > zr.getWidth() || y < 0 || y > zr.getHeight();\n}\n/**\n * key: brushType\n */\n\n\nvar coverRenderers = {\n  lineX: getLineRenderer(0),\n  lineY: getLineRenderer(1),\n  rect: {\n    createCover: function (controller, brushOption) {\n      function returnInput(range) {\n        return range;\n      }\n\n      return createBaseRectCover({\n        toRectRange: returnInput,\n        fromRectRange: returnInput\n      }, controller, brushOption, [['w'], ['e'], ['n'], ['s'], ['s', 'e'], ['s', 'w'], ['n', 'e'], ['n', 'w']]);\n    },\n    getCreatingRange: function (localTrack) {\n      var ends = getTrackEnds(localTrack);\n      return formatRectRange(ends[1][0], ends[1][1], ends[0][0], ends[0][1]);\n    },\n    updateCoverShape: function (controller, cover, localRange, brushOption) {\n      updateBaseRect(controller, cover, localRange, brushOption);\n    },\n    updateCommon: updateCommon,\n    contain: mainShapeContain\n  },\n  polygon: {\n    createCover: function (controller, brushOption) {\n      var cover = new graphic.Group(); // Do not use graphic.Polygon because graphic.Polyline do not close the\n      // border of the shape when drawing, which is a better experience for user.\n\n      cover.add(new graphic.Polyline({\n        name: 'main',\n        style: makeStyle(brushOption),\n        silent: true\n      }));\n      return cover;\n    },\n    getCreatingRange: function (localTrack) {\n      return localTrack;\n    },\n    endCreating: function (controller, cover) {\n      cover.remove(cover.childAt(0)); // Use graphic.Polygon close the shape.\n\n      cover.add(new graphic.Polygon({\n        name: 'main',\n        draggable: true,\n        drift: curry(driftPolygon, controller, cover),\n        ondragend: curry(trigger, controller, {\n          isEnd: true\n        })\n      }));\n    },\n    updateCoverShape: function (controller, cover, localRange, brushOption) {\n      cover.childAt(0).setShape({\n        points: clipByPanel(controller, cover, localRange)\n      });\n    },\n    updateCommon: updateCommon,\n    contain: mainShapeContain\n  }\n};\n\nfunction getLineRenderer(xyIndex) {\n  return {\n    createCover: function (controller, brushOption) {\n      return createBaseRectCover({\n        toRectRange: function (range) {\n          var rectRange = [range, [0, 100]];\n          xyIndex && rectRange.reverse();\n          return rectRange;\n        },\n        fromRectRange: function (rectRange) {\n          return rectRange[xyIndex];\n        }\n      }, controller, brushOption, [[['w'], ['e']], [['n'], ['s']]][xyIndex]);\n    },\n    getCreatingRange: function (localTrack) {\n      var ends = getTrackEnds(localTrack);\n      var min = mathMin(ends[0][xyIndex], ends[1][xyIndex]);\n      var max = mathMax(ends[0][xyIndex], ends[1][xyIndex]);\n      return [min, max];\n    },\n    updateCoverShape: function (controller, cover, localRange, brushOption) {\n      var otherExtent; // If brushWidth not specified, fit the panel.\n\n      var panel = getPanelByCover(controller, cover);\n\n      if (panel !== BRUSH_PANEL_GLOBAL && panel.getLinearBrushOtherExtent) {\n        otherExtent = panel.getLinearBrushOtherExtent(xyIndex);\n      } else {\n        var zr = controller._zr;\n        otherExtent = [0, [zr.getWidth(), zr.getHeight()][1 - xyIndex]];\n      }\n\n      var rectRange = [localRange, otherExtent];\n      xyIndex && rectRange.reverse();\n      updateBaseRect(controller, cover, rectRange, brushOption);\n    },\n    updateCommon: updateCommon,\n    contain: mainShapeContain\n  };\n}\n\nexport default BrushController;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport { onIrrelevantElement } from './cursorHelper';\nimport * as graphicUtil from '../../util/graphic';\nexport function makeRectPanelClipPath(rect) {\n  rect = normalizeRect(rect);\n  return function (localPoints) {\n    return graphicUtil.clipPointsByRect(localPoints, rect);\n  };\n}\nexport function makeLinearBrushOtherExtent(rect, specifiedXYIndex) {\n  rect = normalizeRect(rect);\n  return function (xyIndex) {\n    var idx = specifiedXYIndex != null ? specifiedXYIndex : xyIndex;\n    var brushWidth = idx ? rect.width : rect.height;\n    var base = idx ? rect.x : rect.y;\n    return [base, base + (brushWidth || 0)];\n  };\n}\nexport function makeRectIsTargetByCursor(rect, api, targetModel) {\n  var boundingRect = normalizeRect(rect);\n  return function (e, localCursorPoint) {\n    return boundingRect.contain(localCursorPoint[0], localCursorPoint[1]) && !onIrrelevantElement(e, api, targetModel);\n  };\n} // Consider width/height is negative.\n\nfunction normalizeRect(rect) {\n  return BoundingRect.create(rect);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport AxisBuilder from './AxisBuilder';\nimport BrushController from '../helper/BrushController';\nimport * as brushHelper from '../helper/brushHelper';\nimport * as graphic from '../../util/graphic';\nimport ComponentView from '../../view/Component';\nvar elementList = ['axisLine', 'axisTickLabel', 'axisName'];\n\nvar ParallelAxisView =\n/** @class */\nfunction (_super) {\n  __extends(ParallelAxisView, _super);\n\n  function ParallelAxisView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ParallelAxisView.type;\n    return _this;\n  }\n\n  ParallelAxisView.prototype.init = function (ecModel, api) {\n    _super.prototype.init.apply(this, arguments);\n\n    (this._brushController = new BrushController(api.getZr())).on('brush', zrUtil.bind(this._onBrush, this));\n  };\n\n  ParallelAxisView.prototype.render = function (axisModel, ecModel, api, payload) {\n    if (fromAxisAreaSelect(axisModel, ecModel, payload)) {\n      return;\n    }\n\n    this.axisModel = axisModel;\n    this.api = api;\n    this.group.removeAll();\n    var oldAxisGroup = this._axisGroup;\n    this._axisGroup = new graphic.Group();\n    this.group.add(this._axisGroup);\n\n    if (!axisModel.get('show')) {\n      return;\n    }\n\n    var coordSysModel = getCoordSysModel(axisModel, ecModel);\n    var coordSys = coordSysModel.coordinateSystem;\n    var areaSelectStyle = axisModel.getAreaSelectStyle();\n    var areaWidth = areaSelectStyle.width;\n    var dim = axisModel.axis.dim;\n    var axisLayout = coordSys.getAxisLayout(dim);\n    var builderOpt = zrUtil.extend({\n      strokeContainThreshold: areaWidth\n    }, axisLayout);\n    var axisBuilder = new AxisBuilder(axisModel, builderOpt);\n    zrUtil.each(elementList, axisBuilder.add, axisBuilder);\n\n    this._axisGroup.add(axisBuilder.getGroup());\n\n    this._refreshBrushController(builderOpt, areaSelectStyle, axisModel, coordSysModel, areaWidth, api);\n\n    graphic.groupTransition(oldAxisGroup, this._axisGroup, axisModel);\n  }; // /**\n  //  * @override\n  //  */\n  // updateVisual(axisModel, ecModel, api, payload) {\n  //     this._brushController && this._brushController\n  //         .updateCovers(getCoverInfoList(axisModel));\n  // }\n\n\n  ParallelAxisView.prototype._refreshBrushController = function (builderOpt, areaSelectStyle, axisModel, coordSysModel, areaWidth, api) {\n    // After filtering, axis may change, select area needs to be update.\n    var extent = axisModel.axis.getExtent();\n    var extentLen = extent[1] - extent[0];\n    var extra = Math.min(30, Math.abs(extentLen) * 0.1); // Arbitrary value.\n    // width/height might be negative, which will be\n    // normalized in BoundingRect.\n\n    var rect = graphic.BoundingRect.create({\n      x: extent[0],\n      y: -areaWidth / 2,\n      width: extentLen,\n      height: areaWidth\n    });\n    rect.x -= extra;\n    rect.width += 2 * extra;\n\n    this._brushController.mount({\n      enableGlobalPan: true,\n      rotation: builderOpt.rotation,\n      x: builderOpt.position[0],\n      y: builderOpt.position[1]\n    }).setPanels([{\n      panelId: 'pl',\n      clipPath: brushHelper.makeRectPanelClipPath(rect),\n      isTargetByCursor: brushHelper.makeRectIsTargetByCursor(rect, api, coordSysModel),\n      getLinearBrushOtherExtent: brushHelper.makeLinearBrushOtherExtent(rect, 0)\n    }]).enableBrush({\n      brushType: 'lineX',\n      brushStyle: areaSelectStyle,\n      removeOnClick: true\n    }).updateCovers(getCoverInfoList(axisModel));\n  };\n\n  ParallelAxisView.prototype._onBrush = function (eventParam) {\n    var coverInfoList = eventParam.areas; // Do not cache these object, because the mey be changed.\n\n    var axisModel = this.axisModel;\n    var axis = axisModel.axis;\n    var intervals = zrUtil.map(coverInfoList, function (coverInfo) {\n      return [axis.coordToData(coverInfo.range[0], true), axis.coordToData(coverInfo.range[1], true)];\n    }); // If realtime is true, action is not dispatched on drag end, because\n    // the drag end emits the same params with the last drag move event,\n    // and may have some delay when using touch pad.\n\n    if (!axisModel.option.realtime === eventParam.isEnd || eventParam.removeOnClick) {\n      // jshint ignore:line\n      this.api.dispatchAction({\n        type: 'axisAreaSelect',\n        parallelAxisId: axisModel.id,\n        intervals: intervals\n      });\n    }\n  };\n\n  ParallelAxisView.prototype.dispose = function () {\n    this._brushController.dispose();\n  };\n\n  ParallelAxisView.type = 'parallelAxis';\n  return ParallelAxisView;\n}(ComponentView);\n\nfunction fromAxisAreaSelect(axisModel, ecModel, payload) {\n  return payload && payload.type === 'axisAreaSelect' && ecModel.findComponents({\n    mainType: 'parallelAxis',\n    query: payload\n  })[0] === axisModel;\n}\n\nfunction getCoverInfoList(axisModel) {\n  var axis = axisModel.axis;\n  return zrUtil.map(axisModel.activeIntervals, function (interval) {\n    return {\n      brushType: 'lineX',\n      panelId: 'pl',\n      range: [axis.dataToCoord(interval[0], true), axis.dataToCoord(interval[1], true)]\n    };\n  });\n}\n\nfunction getCoordSysModel(axisModel, ecModel) {\n  return ecModel.getComponent('parallel', axisModel.get('parallelIndex'));\n}\n\nexport default ParallelAxisView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar actionInfo = {\n  type: 'axisAreaSelect',\n  event: 'axisAreaSelected' // update: 'updateVisual'\n\n};\nexport function installParallelActions(registers) {\n  registers.registerAction(actionInfo, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'parallelAxis',\n      query: payload\n    }, function (parallelAxisModel) {\n      parallelAxisModel.axis.model.setActiveIntervals(payload.intervals);\n    });\n  });\n  /**\n   * @payload\n   */\n\n  registers.registerAction('parallelAxisExpand', function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'parallel',\n      query: payload\n    }, function (parallelModel) {\n      parallelModel.setAxisExpand(payload);\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport parallelPreprocessor from '../../coord/parallel/parallelPreprocessor';\nimport ParallelView from './ParallelView';\nimport ParallelModel from '../../coord/parallel/ParallelModel';\nimport parallelCoordSysCreator from '../../coord/parallel/parallelCreator';\nimport axisModelCreator from '../../coord/axisModelCreator';\nimport ParallelAxisModel from '../../coord/parallel/AxisModel';\nimport ParallelAxisView from '../axis/ParallelAxisView';\nimport { installParallelActions } from '../axis/parallelAxisAction';\nvar defaultAxisOption = {\n  type: 'value',\n  areaSelectStyle: {\n    width: 20,\n    borderWidth: 1,\n    borderColor: 'rgba(160,197,232)',\n    color: 'rgba(160,197,232)',\n    opacity: 0.3\n  },\n  realtime: true,\n  z: 10\n};\nexport function install(registers) {\n  registers.registerComponentView(ParallelView);\n  registers.registerComponentModel(ParallelModel);\n  registers.registerCoordinateSystem('parallel', parallelCoordSysCreator);\n  registers.registerPreprocessor(parallelPreprocessor);\n  registers.registerComponentModel(ParallelAxisModel);\n  registers.registerComponentView(ParallelAxisView);\n  axisModelCreator(registers, 'parallel', ParallelAxisModel, defaultAxisOption);\n  installParallelActions(registers);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as graphic from '../../util/graphic';\nimport { enterEmphasis, leaveEmphasis, enableHoverEmphasis, setStatesStylesFromModel } from '../../util/states';\nimport ChartView from '../../view/Chart';\nimport { setLabelStyle, getLabelStatesModels } from '../../label/labelStyle';\nimport { getECData } from '../../util/innerStore';\n\nvar SankeyPathShape =\n/** @class */\nfunction () {\n  function SankeyPathShape() {\n    this.x1 = 0;\n    this.y1 = 0;\n    this.x2 = 0;\n    this.y2 = 0;\n    this.cpx1 = 0;\n    this.cpy1 = 0;\n    this.cpx2 = 0;\n    this.cpy2 = 0;\n    this.extent = 0;\n  }\n\n  return SankeyPathShape;\n}();\n\nvar SankeyPath =\n/** @class */\nfunction (_super) {\n  __extends(SankeyPath, _super);\n\n  function SankeyPath(opts) {\n    return _super.call(this, opts) || this;\n  }\n\n  SankeyPath.prototype.getDefaultShape = function () {\n    return new SankeyPathShape();\n  };\n\n  SankeyPath.prototype.buildPath = function (ctx, shape) {\n    var extent = shape.extent;\n    ctx.moveTo(shape.x1, shape.y1);\n    ctx.bezierCurveTo(shape.cpx1, shape.cpy1, shape.cpx2, shape.cpy2, shape.x2, shape.y2);\n\n    if (shape.orient === 'vertical') {\n      ctx.lineTo(shape.x2 + extent, shape.y2);\n      ctx.bezierCurveTo(shape.cpx2 + extent, shape.cpy2, shape.cpx1 + extent, shape.cpy1, shape.x1 + extent, shape.y1);\n    } else {\n      ctx.lineTo(shape.x2, shape.y2 + extent);\n      ctx.bezierCurveTo(shape.cpx2, shape.cpy2 + extent, shape.cpx1, shape.cpy1 + extent, shape.x1, shape.y1 + extent);\n    }\n\n    ctx.closePath();\n  };\n\n  SankeyPath.prototype.highlight = function () {\n    enterEmphasis(this);\n  };\n\n  SankeyPath.prototype.downplay = function () {\n    leaveEmphasis(this);\n  };\n\n  return SankeyPath;\n}(graphic.Path);\n\nvar SankeyView =\n/** @class */\nfunction (_super) {\n  __extends(SankeyView, _super);\n\n  function SankeyView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SankeyView.type;\n    _this._focusAdjacencyDisabled = false;\n    return _this;\n  }\n\n  SankeyView.prototype.render = function (seriesModel, ecModel, api) {\n    var sankeyView = this;\n    var graph = seriesModel.getGraph();\n    var group = this.group;\n    var layoutInfo = seriesModel.layoutInfo; // view width\n\n    var width = layoutInfo.width; // view height\n\n    var height = layoutInfo.height;\n    var nodeData = seriesModel.getData();\n    var edgeData = seriesModel.getData('edge');\n    var orient = seriesModel.get('orient');\n    this._model = seriesModel;\n    group.removeAll();\n    group.x = layoutInfo.x;\n    group.y = layoutInfo.y; // generate a bezire Curve for each edge\n\n    graph.eachEdge(function (edge) {\n      var curve = new SankeyPath();\n      var ecData = getECData(curve);\n      ecData.dataIndex = edge.dataIndex;\n      ecData.seriesIndex = seriesModel.seriesIndex;\n      ecData.dataType = 'edge';\n      var edgeModel = edge.getModel();\n      var lineStyleModel = edgeModel.getModel('lineStyle');\n      var curvature = lineStyleModel.get('curveness');\n      var n1Layout = edge.node1.getLayout();\n      var node1Model = edge.node1.getModel();\n      var dragX1 = node1Model.get('localX');\n      var dragY1 = node1Model.get('localY');\n      var n2Layout = edge.node2.getLayout();\n      var node2Model = edge.node2.getModel();\n      var dragX2 = node2Model.get('localX');\n      var dragY2 = node2Model.get('localY');\n      var edgeLayout = edge.getLayout();\n      var x1;\n      var y1;\n      var x2;\n      var y2;\n      var cpx1;\n      var cpy1;\n      var cpx2;\n      var cpy2;\n      curve.shape.extent = Math.max(1, edgeLayout.dy);\n      curve.shape.orient = orient;\n\n      if (orient === 'vertical') {\n        x1 = (dragX1 != null ? dragX1 * width : n1Layout.x) + edgeLayout.sy;\n        y1 = (dragY1 != null ? dragY1 * height : n1Layout.y) + n1Layout.dy;\n        x2 = (dragX2 != null ? dragX2 * width : n2Layout.x) + edgeLayout.ty;\n        y2 = dragY2 != null ? dragY2 * height : n2Layout.y;\n        cpx1 = x1;\n        cpy1 = y1 * (1 - curvature) + y2 * curvature;\n        cpx2 = x2;\n        cpy2 = y1 * curvature + y2 * (1 - curvature);\n      } else {\n        x1 = (dragX1 != null ? dragX1 * width : n1Layout.x) + n1Layout.dx;\n        y1 = (dragY1 != null ? dragY1 * height : n1Layout.y) + edgeLayout.sy;\n        x2 = dragX2 != null ? dragX2 * width : n2Layout.x;\n        y2 = (dragY2 != null ? dragY2 * height : n2Layout.y) + edgeLayout.ty;\n        cpx1 = x1 * (1 - curvature) + x2 * curvature;\n        cpy1 = y1;\n        cpx2 = x1 * curvature + x2 * (1 - curvature);\n        cpy2 = y2;\n      }\n\n      curve.setShape({\n        x1: x1,\n        y1: y1,\n        x2: x2,\n        y2: y2,\n        cpx1: cpx1,\n        cpy1: cpy1,\n        cpx2: cpx2,\n        cpy2: cpy2\n      });\n      curve.useStyle(lineStyleModel.getItemStyle()); // Special color, use source node color or target node color\n\n      switch (curve.style.fill) {\n        case 'source':\n          curve.style.fill = edge.node1.getVisual('color');\n          curve.style.decal = edge.node1.getVisual('style').decal;\n          break;\n\n        case 'target':\n          curve.style.fill = edge.node2.getVisual('color');\n          curve.style.decal = edge.node2.getVisual('style').decal;\n          break;\n\n        case 'gradient':\n          var sourceColor = edge.node1.getVisual('color');\n          var targetColor = edge.node2.getVisual('color');\n\n          if (typeof sourceColor === 'string' && typeof targetColor === 'string') {\n            curve.style.fill = new graphic.LinearGradient(0, 0, 1, 0, [{\n              color: sourceColor,\n              offset: 0\n            }, {\n              color: targetColor,\n              offset: 1\n            }]);\n          }\n\n      }\n\n      var emphasisModel = edgeModel.getModel('emphasis');\n      setStatesStylesFromModel(curve, edgeModel, 'lineStyle', function (model) {\n        return model.getItemStyle();\n      });\n      group.add(curve);\n      edgeData.setItemGraphicEl(edge.dataIndex, curve);\n      var focus = emphasisModel.get('focus');\n      enableHoverEmphasis(curve, focus === 'adjacency' ? edge.getAdjacentDataIndices() : focus, emphasisModel.get('blurScope'));\n      getECData(curve).dataType = 'edge';\n    }); // Generate a rect for each node\n\n    graph.eachNode(function (node) {\n      var layout = node.getLayout();\n      var itemModel = node.getModel();\n      var dragX = itemModel.get('localX');\n      var dragY = itemModel.get('localY');\n      var emphasisModel = itemModel.getModel('emphasis');\n      var rect = new graphic.Rect({\n        shape: {\n          x: dragX != null ? dragX * width : layout.x,\n          y: dragY != null ? dragY * height : layout.y,\n          width: layout.dx,\n          height: layout.dy\n        },\n        style: itemModel.getModel('itemStyle').getItemStyle(),\n        z2: 10\n      });\n      setLabelStyle(rect, getLabelStatesModels(itemModel), {\n        labelFetcher: seriesModel,\n        labelDataIndex: node.dataIndex,\n        defaultText: node.id\n      });\n      rect.disableLabelAnimation = true;\n      rect.setStyle('fill', node.getVisual('color'));\n      rect.setStyle('decal', node.getVisual('style').decal);\n      setStatesStylesFromModel(rect, itemModel);\n      group.add(rect);\n      nodeData.setItemGraphicEl(node.dataIndex, rect);\n      getECData(rect).dataType = 'node';\n      var focus = emphasisModel.get('focus');\n      enableHoverEmphasis(rect, focus === 'adjacency' ? node.getAdjacentDataIndices() : focus, emphasisModel.get('blurScope'));\n    });\n    nodeData.eachItemGraphicEl(function (el, dataIndex) {\n      var itemModel = nodeData.getItemModel(dataIndex);\n\n      if (itemModel.get('draggable')) {\n        el.drift = function (dx, dy) {\n          sankeyView._focusAdjacencyDisabled = true;\n          this.shape.x += dx;\n          this.shape.y += dy;\n          this.dirty();\n          api.dispatchAction({\n            type: 'dragNode',\n            seriesId: seriesModel.id,\n            dataIndex: nodeData.getRawIndex(dataIndex),\n            localX: this.shape.x / width,\n            localY: this.shape.y / height\n          });\n        };\n\n        el.ondragend = function () {\n          sankeyView._focusAdjacencyDisabled = false;\n        };\n\n        el.draggable = true;\n        el.cursor = 'move';\n      }\n    });\n\n    if (!this._data && seriesModel.isAnimationEnabled()) {\n      group.setClipPath(createGridClipShape(group.getBoundingRect(), seriesModel, function () {\n        group.removeClipPath();\n      }));\n    }\n\n    this._data = seriesModel.getData();\n  };\n\n  SankeyView.prototype.dispose = function () {};\n\n  SankeyView.type = 'sankey';\n  return SankeyView;\n}(ChartView); // Add animation to the view\n\n\nfunction createGridClipShape(rect, seriesModel, cb) {\n  var rectEl = new graphic.Rect({\n    shape: {\n      x: rect.x - 10,\n      y: rect.y - 10,\n      width: 0,\n      height: rect.height + 20\n    }\n  });\n  graphic.initProps(rectEl, {\n    shape: {\n      width: rect.width + 20\n    }\n  }, seriesModel, cb);\n  return rectEl;\n}\n\nexport default SankeyView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport SeriesModel from '../../model/Series';\nimport createGraphFromNodeEdge from '../helper/createGraphFromNodeEdge';\nimport Model from '../../model/Model';\nimport { createTooltipMarkup } from '../../component/tooltip/tooltipMarkup';\n\nvar SankeySeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(SankeySeriesModel, _super);\n\n  function SankeySeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SankeySeriesModel.type;\n    return _this;\n  }\n  /**\n   * Init a graph data structure from data in option series\n   *\n   * @param  {Object} option  the object used to config echarts view\n   * @return {module:echarts/data/List} storage initial data\n   */\n\n\n  SankeySeriesModel.prototype.getInitialData = function (option, ecModel) {\n    var links = option.edges || option.links;\n    var nodes = option.data || option.nodes;\n    var levels = option.levels;\n    this.levelModels = [];\n    var levelModels = this.levelModels;\n\n    for (var i = 0; i < levels.length; i++) {\n      if (levels[i].depth != null && levels[i].depth >= 0) {\n        levelModels[levels[i].depth] = new Model(levels[i], this, ecModel);\n      } else {\n        if (process.env.NODE_ENV !== 'production') {\n          throw new Error('levels[i].depth is mandatory and should be natural number');\n        }\n      }\n    }\n\n    if (nodes && links) {\n      var graph = createGraphFromNodeEdge(nodes, links, this, true, beforeLink);\n      return graph.data;\n    }\n\n    function beforeLink(nodeData, edgeData) {\n      nodeData.wrapMethod('getItemModel', function (model, idx) {\n        var seriesModel = model.parentModel;\n        var layout = seriesModel.getData().getItemLayout(idx);\n\n        if (layout) {\n          var nodeDepth = layout.depth;\n          var levelModel = seriesModel.levelModels[nodeDepth];\n\n          if (levelModel) {\n            model.parentModel = levelModel;\n          }\n        }\n\n        return model;\n      });\n      edgeData.wrapMethod('getItemModel', function (model, idx) {\n        var seriesModel = model.parentModel;\n        var edge = seriesModel.getGraph().getEdgeByIndex(idx);\n        var layout = edge.node1.getLayout();\n\n        if (layout) {\n          var depth = layout.depth;\n          var levelModel = seriesModel.levelModels[depth];\n\n          if (levelModel) {\n            model.parentModel = levelModel;\n          }\n        }\n\n        return model;\n      });\n    }\n  };\n\n  SankeySeriesModel.prototype.setNodePosition = function (dataIndex, localPosition) {\n    var dataItem = this.option.data[dataIndex];\n    dataItem.localX = localPosition[0];\n    dataItem.localY = localPosition[1];\n  };\n  /**\n   * Return the graphic data structure\n   *\n   * @return graphic data structure\n   */\n\n\n  SankeySeriesModel.prototype.getGraph = function () {\n    return this.getData().graph;\n  };\n  /**\n   * Get edge data of graphic data structure\n   *\n   * @return data structure of list\n   */\n\n\n  SankeySeriesModel.prototype.getEdgeData = function () {\n    return this.getGraph().edgeData;\n  };\n\n  SankeySeriesModel.prototype.formatTooltip = function (dataIndex, multipleSeries, dataType) {\n    function noValue(val) {\n      return isNaN(val) || val == null;\n    } // dataType === 'node' or empty do not show tooltip by default\n\n\n    if (dataType === 'edge') {\n      var params = this.getDataParams(dataIndex, dataType);\n      var rawDataOpt = params.data;\n      var edgeValue = params.value;\n      var edgeName = rawDataOpt.source + ' -- ' + rawDataOpt.target;\n      return createTooltipMarkup('nameValue', {\n        name: edgeName,\n        value: edgeValue,\n        noValue: noValue(edgeValue)\n      });\n    } // dataType === 'node'\n    else {\n        var node = this.getGraph().getNodeByIndex(dataIndex);\n        var value = node.getLayout().value;\n        var name_1 = this.getDataParams(dataIndex, dataType).data.name;\n        return createTooltipMarkup('nameValue', {\n          name: name_1 != null ? name_1 + '' : null,\n          value: value,\n          noValue: noValue(value)\n        });\n      }\n  };\n\n  SankeySeriesModel.prototype.optionUpdated = function () {\n    var option = this.option;\n  }; // Override Series.getDataParams()\n\n\n  SankeySeriesModel.prototype.getDataParams = function (dataIndex, dataType) {\n    var params = _super.prototype.getDataParams.call(this, dataIndex, dataType);\n\n    if (params.value == null && dataType === 'node') {\n      var node = this.getGraph().getNodeByIndex(dataIndex);\n      var nodeValue = node.getLayout().value;\n      params.value = nodeValue;\n    }\n\n    return params;\n  };\n\n  SankeySeriesModel.type = 'series.sankey';\n  SankeySeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    coordinateSystem: 'view',\n    left: '5%',\n    top: '5%',\n    right: '20%',\n    bottom: '5%',\n    orient: 'horizontal',\n    nodeWidth: 20,\n    nodeGap: 8,\n    draggable: true,\n    layoutIterations: 32,\n    label: {\n      show: true,\n      position: 'right',\n      fontSize: 12\n    },\n    levels: [],\n    nodeAlign: 'justify',\n    lineStyle: {\n      color: '#314656',\n      opacity: 0.2,\n      curveness: 0.5\n    },\n    emphasis: {\n      label: {\n        show: true\n      },\n      lineStyle: {\n        opacity: 0.5\n      }\n    },\n    select: {\n      itemStyle: {\n        borderColor: '#212121'\n      }\n    },\n    animationEasing: 'linear',\n    animationDuration: 1000\n  };\n  return SankeySeriesModel;\n}(SeriesModel);\n\nexport default SankeySeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as layout from '../../util/layout';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { groupData } from '../../util/model';\nexport default function sankeyLayout(ecModel, api) {\n  ecModel.eachSeriesByType('sankey', function (seriesModel) {\n    var nodeWidth = seriesModel.get('nodeWidth');\n    var nodeGap = seriesModel.get('nodeGap');\n    var layoutInfo = getViewRect(seriesModel, api);\n    seriesModel.layoutInfo = layoutInfo;\n    var width = layoutInfo.width;\n    var height = layoutInfo.height;\n    var graph = seriesModel.getGraph();\n    var nodes = graph.nodes;\n    var edges = graph.edges;\n    computeNodeValues(nodes);\n    var filteredNodes = zrUtil.filter(nodes, function (node) {\n      return node.getLayout().value === 0;\n    });\n    var iterations = filteredNodes.length !== 0 ? 0 : seriesModel.get('layoutIterations');\n    var orient = seriesModel.get('orient');\n    var nodeAlign = seriesModel.get('nodeAlign');\n    layoutSankey(nodes, edges, nodeWidth, nodeGap, width, height, iterations, orient, nodeAlign);\n  });\n}\n/**\n * Get the layout position of the whole view\n */\n\nfunction getViewRect(seriesModel, api) {\n  return layout.getLayoutRect(seriesModel.getBoxLayoutParams(), {\n    width: api.getWidth(),\n    height: api.getHeight()\n  });\n}\n\nfunction layoutSankey(nodes, edges, nodeWidth, nodeGap, width, height, iterations, orient, nodeAlign) {\n  computeNodeBreadths(nodes, edges, nodeWidth, width, height, orient, nodeAlign);\n  computeNodeDepths(nodes, edges, height, width, nodeGap, iterations, orient);\n  computeEdgeDepths(nodes, orient);\n}\n/**\n * Compute the value of each node by summing the associated edge's value\n */\n\n\nfunction computeNodeValues(nodes) {\n  zrUtil.each(nodes, function (node) {\n    var value1 = sum(node.outEdges, getEdgeValue);\n    var value2 = sum(node.inEdges, getEdgeValue);\n    var nodeRawValue = node.getValue() || 0;\n    var value = Math.max(value1, value2, nodeRawValue);\n    node.setLayout({\n      value: value\n    }, true);\n  });\n}\n/**\n * Compute the x-position for each node.\n *\n * Here we use Kahn algorithm to detect cycle when we traverse\n * the node to computer the initial x position.\n */\n\n\nfunction computeNodeBreadths(nodes, edges, nodeWidth, width, height, orient, nodeAlign) {\n  // Used to mark whether the edge is deleted. if it is deleted,\n  // the value is 0, otherwise it is 1.\n  var remainEdges = []; // Storage each node's indegree.\n\n  var indegreeArr = []; //Used to storage the node with indegree is equal to 0.\n\n  var zeroIndegrees = [];\n  var nextTargetNode = [];\n  var x = 0; // let kx = 0;\n\n  for (var i = 0; i < edges.length; i++) {\n    remainEdges[i] = 1;\n  }\n\n  for (var i = 0; i < nodes.length; i++) {\n    indegreeArr[i] = nodes[i].inEdges.length;\n\n    if (indegreeArr[i] === 0) {\n      zeroIndegrees.push(nodes[i]);\n    }\n  }\n\n  var maxNodeDepth = -1; // Traversing nodes using topological sorting to calculate the\n  // horizontal(if orient === 'horizontal') or vertical(if orient === 'vertical')\n  // position of the nodes.\n\n  while (zeroIndegrees.length) {\n    for (var idx = 0; idx < zeroIndegrees.length; idx++) {\n      var node = zeroIndegrees[idx];\n      var item = node.hostGraph.data.getRawDataItem(node.dataIndex);\n      var isItemDepth = item.depth != null && item.depth >= 0;\n\n      if (isItemDepth && item.depth > maxNodeDepth) {\n        maxNodeDepth = item.depth;\n      }\n\n      node.setLayout({\n        depth: isItemDepth ? item.depth : x\n      }, true);\n      orient === 'vertical' ? node.setLayout({\n        dy: nodeWidth\n      }, true) : node.setLayout({\n        dx: nodeWidth\n      }, true);\n\n      for (var edgeIdx = 0; edgeIdx < node.outEdges.length; edgeIdx++) {\n        var edge = node.outEdges[edgeIdx];\n        var indexEdge = edges.indexOf(edge);\n        remainEdges[indexEdge] = 0;\n        var targetNode = edge.node2;\n        var nodeIndex = nodes.indexOf(targetNode);\n\n        if (--indegreeArr[nodeIndex] === 0 && nextTargetNode.indexOf(targetNode) < 0) {\n          nextTargetNode.push(targetNode);\n        }\n      }\n    }\n\n    ++x;\n    zeroIndegrees = nextTargetNode;\n    nextTargetNode = [];\n  }\n\n  for (var i = 0; i < remainEdges.length; i++) {\n    if (remainEdges[i] === 1) {\n      throw new Error('Sankey is a DAG, the original data has cycle!');\n    }\n  }\n\n  var maxDepth = maxNodeDepth > x - 1 ? maxNodeDepth : x - 1;\n\n  if (nodeAlign && nodeAlign !== 'left') {\n    adjustNodeWithNodeAlign(nodes, nodeAlign, orient, maxDepth);\n  }\n\n  var kx = orient === 'vertical' ? (height - nodeWidth) / maxDepth : (width - nodeWidth) / maxDepth;\n  scaleNodeBreadths(nodes, kx, orient);\n}\n\nfunction isNodeDepth(node) {\n  var item = node.hostGraph.data.getRawDataItem(node.dataIndex);\n  return item.depth != null && item.depth >= 0;\n}\n\nfunction adjustNodeWithNodeAlign(nodes, nodeAlign, orient, maxDepth) {\n  if (nodeAlign === 'right') {\n    var nextSourceNode = [];\n    var remainNodes = nodes;\n    var nodeHeight = 0;\n\n    while (remainNodes.length) {\n      for (var i = 0; i < remainNodes.length; i++) {\n        var node = remainNodes[i];\n        node.setLayout({\n          skNodeHeight: nodeHeight\n        }, true);\n\n        for (var j = 0; j < node.inEdges.length; j++) {\n          var edge = node.inEdges[j];\n\n          if (nextSourceNode.indexOf(edge.node1) < 0) {\n            nextSourceNode.push(edge.node1);\n          }\n        }\n      }\n\n      remainNodes = nextSourceNode;\n      nextSourceNode = [];\n      ++nodeHeight;\n    }\n\n    zrUtil.each(nodes, function (node) {\n      if (!isNodeDepth(node)) {\n        node.setLayout({\n          depth: Math.max(0, maxDepth - node.getLayout().skNodeHeight)\n        }, true);\n      }\n    });\n  } else if (nodeAlign === 'justify') {\n    moveSinksRight(nodes, maxDepth);\n  }\n}\n/**\n * All the node without outEgdes are assigned maximum x-position and\n *     be aligned in the last column.\n *\n * @param nodes.  node of sankey view.\n * @param maxDepth.  use to assign to node without outEdges as x-position.\n */\n\n\nfunction moveSinksRight(nodes, maxDepth) {\n  zrUtil.each(nodes, function (node) {\n    if (!isNodeDepth(node) && !node.outEdges.length) {\n      node.setLayout({\n        depth: maxDepth\n      }, true);\n    }\n  });\n}\n/**\n * Scale node x-position to the width\n *\n * @param nodes  node of sankey view\n * @param kx   multiple used to scale nodes\n */\n\n\nfunction scaleNodeBreadths(nodes, kx, orient) {\n  zrUtil.each(nodes, function (node) {\n    var nodeDepth = node.getLayout().depth * kx;\n    orient === 'vertical' ? node.setLayout({\n      y: nodeDepth\n    }, true) : node.setLayout({\n      x: nodeDepth\n    }, true);\n  });\n}\n/**\n * Using Gauss-Seidel iterations method to compute the node depth(y-position)\n *\n * @param nodes  node of sankey view\n * @param edges  edge of sankey view\n * @param height  the whole height of the area to draw the view\n * @param nodeGap  the vertical distance between two nodes\n *     in the same column.\n * @param iterations  the number of iterations for the algorithm\n */\n\n\nfunction computeNodeDepths(nodes, edges, height, width, nodeGap, iterations, orient) {\n  var nodesByBreadth = prepareNodesByBreadth(nodes, orient);\n  initializeNodeDepth(nodesByBreadth, edges, height, width, nodeGap, orient);\n  resolveCollisions(nodesByBreadth, nodeGap, height, width, orient);\n\n  for (var alpha = 1; iterations > 0; iterations--) {\n    // 0.99 is a experience parameter, ensure that each iterations of\n    // changes as small as possible.\n    alpha *= 0.99;\n    relaxRightToLeft(nodesByBreadth, alpha, orient);\n    resolveCollisions(nodesByBreadth, nodeGap, height, width, orient);\n    relaxLeftToRight(nodesByBreadth, alpha, orient);\n    resolveCollisions(nodesByBreadth, nodeGap, height, width, orient);\n  }\n}\n\nfunction prepareNodesByBreadth(nodes, orient) {\n  var nodesByBreadth = [];\n  var keyAttr = orient === 'vertical' ? 'y' : 'x';\n  var groupResult = groupData(nodes, function (node) {\n    return node.getLayout()[keyAttr];\n  });\n  groupResult.keys.sort(function (a, b) {\n    return a - b;\n  });\n  zrUtil.each(groupResult.keys, function (key) {\n    nodesByBreadth.push(groupResult.buckets.get(key));\n  });\n  return nodesByBreadth;\n}\n/**\n * Compute the original y-position for each node\n */\n\n\nfunction initializeNodeDepth(nodesByBreadth, edges, height, width, nodeGap, orient) {\n  var minKy = Infinity;\n  zrUtil.each(nodesByBreadth, function (nodes) {\n    var n = nodes.length;\n    var sum = 0;\n    zrUtil.each(nodes, function (node) {\n      sum += node.getLayout().value;\n    });\n    var ky = orient === 'vertical' ? (width - (n - 1) * nodeGap) / sum : (height - (n - 1) * nodeGap) / sum;\n\n    if (ky < minKy) {\n      minKy = ky;\n    }\n  });\n  zrUtil.each(nodesByBreadth, function (nodes) {\n    zrUtil.each(nodes, function (node, i) {\n      var nodeDy = node.getLayout().value * minKy;\n\n      if (orient === 'vertical') {\n        node.setLayout({\n          x: i\n        }, true);\n        node.setLayout({\n          dx: nodeDy\n        }, true);\n      } else {\n        node.setLayout({\n          y: i\n        }, true);\n        node.setLayout({\n          dy: nodeDy\n        }, true);\n      }\n    });\n  });\n  zrUtil.each(edges, function (edge) {\n    var edgeDy = +edge.getValue() * minKy;\n    edge.setLayout({\n      dy: edgeDy\n    }, true);\n  });\n}\n/**\n * Resolve the collision of initialized depth (y-position)\n */\n\n\nfunction resolveCollisions(nodesByBreadth, nodeGap, height, width, orient) {\n  var keyAttr = orient === 'vertical' ? 'x' : 'y';\n  zrUtil.each(nodesByBreadth, function (nodes) {\n    nodes.sort(function (a, b) {\n      return a.getLayout()[keyAttr] - b.getLayout()[keyAttr];\n    });\n    var nodeX;\n    var node;\n    var dy;\n    var y0 = 0;\n    var n = nodes.length;\n    var nodeDyAttr = orient === 'vertical' ? 'dx' : 'dy';\n\n    for (var i = 0; i < n; i++) {\n      node = nodes[i];\n      dy = y0 - node.getLayout()[keyAttr];\n\n      if (dy > 0) {\n        nodeX = node.getLayout()[keyAttr] + dy;\n        orient === 'vertical' ? node.setLayout({\n          x: nodeX\n        }, true) : node.setLayout({\n          y: nodeX\n        }, true);\n      }\n\n      y0 = node.getLayout()[keyAttr] + node.getLayout()[nodeDyAttr] + nodeGap;\n    }\n\n    var viewWidth = orient === 'vertical' ? width : height; // If the bottommost node goes outside the bounds, push it back up\n\n    dy = y0 - nodeGap - viewWidth;\n\n    if (dy > 0) {\n      nodeX = node.getLayout()[keyAttr] - dy;\n      orient === 'vertical' ? node.setLayout({\n        x: nodeX\n      }, true) : node.setLayout({\n        y: nodeX\n      }, true);\n      y0 = nodeX;\n\n      for (var i = n - 2; i >= 0; --i) {\n        node = nodes[i];\n        dy = node.getLayout()[keyAttr] + node.getLayout()[nodeDyAttr] + nodeGap - y0;\n\n        if (dy > 0) {\n          nodeX = node.getLayout()[keyAttr] - dy;\n          orient === 'vertical' ? node.setLayout({\n            x: nodeX\n          }, true) : node.setLayout({\n            y: nodeX\n          }, true);\n        }\n\n        y0 = node.getLayout()[keyAttr];\n      }\n    }\n  });\n}\n/**\n * Change the y-position of the nodes, except most the right side nodes\n * @param nodesByBreadth\n * @param alpha  parameter used to adjust the nodes y-position\n */\n\n\nfunction relaxRightToLeft(nodesByBreadth, alpha, orient) {\n  zrUtil.each(nodesByBreadth.slice().reverse(), function (nodes) {\n    zrUtil.each(nodes, function (node) {\n      if (node.outEdges.length) {\n        var y = sum(node.outEdges, weightedTarget, orient) / sum(node.outEdges, getEdgeValue);\n\n        if (isNaN(y)) {\n          var len = node.outEdges.length;\n          y = len ? sum(node.outEdges, centerTarget, orient) / len : 0;\n        }\n\n        if (orient === 'vertical') {\n          var nodeX = node.getLayout().x + (y - center(node, orient)) * alpha;\n          node.setLayout({\n            x: nodeX\n          }, true);\n        } else {\n          var nodeY = node.getLayout().y + (y - center(node, orient)) * alpha;\n          node.setLayout({\n            y: nodeY\n          }, true);\n        }\n      }\n    });\n  });\n}\n\nfunction weightedTarget(edge, orient) {\n  return center(edge.node2, orient) * edge.getValue();\n}\n\nfunction centerTarget(edge, orient) {\n  return center(edge.node2, orient);\n}\n\nfunction weightedSource(edge, orient) {\n  return center(edge.node1, orient) * edge.getValue();\n}\n\nfunction centerSource(edge, orient) {\n  return center(edge.node1, orient);\n}\n\nfunction center(node, orient) {\n  return orient === 'vertical' ? node.getLayout().x + node.getLayout().dx / 2 : node.getLayout().y + node.getLayout().dy / 2;\n}\n\nfunction getEdgeValue(edge) {\n  return edge.getValue();\n}\n\nfunction sum(array, cb, orient) {\n  var sum = 0;\n  var len = array.length;\n  var i = -1;\n\n  while (++i < len) {\n    var value = +cb(array[i], orient);\n\n    if (!isNaN(value)) {\n      sum += value;\n    }\n  }\n\n  return sum;\n}\n/**\n * Change the y-position of the nodes, except most the left side nodes\n */\n\n\nfunction relaxLeftToRight(nodesByBreadth, alpha, orient) {\n  zrUtil.each(nodesByBreadth, function (nodes) {\n    zrUtil.each(nodes, function (node) {\n      if (node.inEdges.length) {\n        var y = sum(node.inEdges, weightedSource, orient) / sum(node.inEdges, getEdgeValue);\n\n        if (isNaN(y)) {\n          var len = node.inEdges.length;\n          y = len ? sum(node.inEdges, centerSource, orient) / len : 0;\n        }\n\n        if (orient === 'vertical') {\n          var nodeX = node.getLayout().x + (y - center(node, orient)) * alpha;\n          node.setLayout({\n            x: nodeX\n          }, true);\n        } else {\n          var nodeY = node.getLayout().y + (y - center(node, orient)) * alpha;\n          node.setLayout({\n            y: nodeY\n          }, true);\n        }\n      }\n    });\n  });\n}\n/**\n * Compute the depth(y-position) of each edge\n */\n\n\nfunction computeEdgeDepths(nodes, orient) {\n  var keyAttr = orient === 'vertical' ? 'x' : 'y';\n  zrUtil.each(nodes, function (node) {\n    node.outEdges.sort(function (a, b) {\n      return a.node2.getLayout()[keyAttr] - b.node2.getLayout()[keyAttr];\n    });\n    node.inEdges.sort(function (a, b) {\n      return a.node1.getLayout()[keyAttr] - b.node1.getLayout()[keyAttr];\n    });\n  });\n  zrUtil.each(nodes, function (node) {\n    var sy = 0;\n    var ty = 0;\n    zrUtil.each(node.outEdges, function (edge) {\n      edge.setLayout({\n        sy: sy\n      }, true);\n      sy += edge.getLayout().dy;\n    });\n    zrUtil.each(node.inEdges, function (edge) {\n      edge.setLayout({\n        ty: ty\n      }, true);\n      ty += edge.getLayout().dy;\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport VisualMapping from '../../visual/VisualMapping';\nexport default function sankeyVisual(ecModel) {\n  ecModel.eachSeriesByType('sankey', function (seriesModel) {\n    var graph = seriesModel.getGraph();\n    var nodes = graph.nodes;\n\n    if (nodes.length) {\n      var minValue_1 = Infinity;\n      var maxValue_1 = -Infinity;\n      zrUtil.each(nodes, function (node) {\n        var nodeValue = node.getLayout().value;\n\n        if (nodeValue < minValue_1) {\n          minValue_1 = nodeValue;\n        }\n\n        if (nodeValue > maxValue_1) {\n          maxValue_1 = nodeValue;\n        }\n      });\n      zrUtil.each(nodes, function (node) {\n        var mapping = new VisualMapping({\n          type: 'color',\n          mappingMethod: 'linear',\n          dataExtent: [minValue_1, maxValue_1],\n          visual: seriesModel.get('color')\n        });\n        var mapValueToColor = mapping.mapValueToVisual(node.getLayout().value);\n        var customColor = node.getModel().get(['itemStyle', 'color']);\n\n        if (customColor != null) {\n          node.setVisual('color', customColor);\n          node.setVisual('style', {\n            fill: customColor\n          });\n        } else {\n          node.setVisual('color', mapValueToColor);\n          node.setVisual('style', {\n            fill: mapValueToColor\n          });\n        }\n      });\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport createListSimply from '../helper/createListSimply';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { getDimensionTypeByAxis } from '../../data/helper/dimensionHelper';\nimport { makeSeriesEncodeForAxisCoordSys } from '../../data/helper/sourceHelper';\n\nvar WhiskerBoxCommonMixin =\n/** @class */\nfunction () {\n  function WhiskerBoxCommonMixin() {}\n  /**\n   * @override\n   */\n\n\n  WhiskerBoxCommonMixin.prototype.getInitialData = function (option, ecModel) {\n    // When both types of xAxis and yAxis are 'value', layout is\n    // needed to be specified by user. Otherwise, layout can be\n    // judged by which axis is category.\n    var ordinalMeta;\n    var xAxisModel = ecModel.getComponent('xAxis', this.get('xAxisIndex'));\n    var yAxisModel = ecModel.getComponent('yAxis', this.get('yAxisIndex'));\n    var xAxisType = xAxisModel.get('type');\n    var yAxisType = yAxisModel.get('type');\n    var addOrdinal; // FIXME\n    // Consider time axis.\n\n    if (xAxisType === 'category') {\n      option.layout = 'horizontal';\n      ordinalMeta = xAxisModel.getOrdinalMeta();\n      addOrdinal = true;\n    } else if (yAxisType === 'category') {\n      option.layout = 'vertical';\n      ordinalMeta = yAxisModel.getOrdinalMeta();\n      addOrdinal = true;\n    } else {\n      option.layout = option.layout || 'horizontal';\n    }\n\n    var coordDims = ['x', 'y'];\n    var baseAxisDimIndex = option.layout === 'horizontal' ? 0 : 1;\n    var baseAxisDim = this._baseAxisDim = coordDims[baseAxisDimIndex];\n    var otherAxisDim = coordDims[1 - baseAxisDimIndex];\n    var axisModels = [xAxisModel, yAxisModel];\n    var baseAxisType = axisModels[baseAxisDimIndex].get('type');\n    var otherAxisType = axisModels[1 - baseAxisDimIndex].get('type');\n    var data = option.data; // ??? FIXME make a stage to perform data transfrom.\n    // MUST create a new data, consider setOption({}) again.\n\n    if (data && addOrdinal) {\n      var newOptionData_1 = [];\n      zrUtil.each(data, function (item, index) {\n        var newItem;\n\n        if (zrUtil.isArray(item)) {\n          newItem = item.slice();\n          item.unshift(index);\n        } else if (zrUtil.isArray(item.value)) {\n          newItem = item.value.slice();\n          item.value.unshift(index);\n        } else {\n          newItem = item;\n        }\n\n        newOptionData_1.push(newItem);\n      });\n      option.data = newOptionData_1;\n    }\n\n    var defaultValueDimensions = this.defaultValueDimensions;\n    var coordDimensions = [{\n      name: baseAxisDim,\n      type: getDimensionTypeByAxis(baseAxisType),\n      ordinalMeta: ordinalMeta,\n      otherDims: {\n        tooltip: false,\n        itemName: 0\n      },\n      dimsDef: ['base']\n    }, {\n      name: otherAxisDim,\n      type: getDimensionTypeByAxis(otherAxisType),\n      dimsDef: defaultValueDimensions.slice()\n    }];\n    return createListSimply(this, {\n      coordDimensions: coordDimensions,\n      dimensionsCount: defaultValueDimensions.length + 1,\n      encodeDefaulter: zrUtil.curry(makeSeriesEncodeForAxisCoordSys, coordDimensions, this)\n    });\n  };\n  /**\n   * If horizontal, base axis is x, otherwise y.\n   * @override\n   */\n\n\n  WhiskerBoxCommonMixin.prototype.getBaseAxis = function () {\n    var dim = this._baseAxisDim;\n    return this.ecModel.getComponent(dim + 'Axis', this.get(dim + 'AxisIndex')).axis;\n  };\n\n  return WhiskerBoxCommonMixin;\n}();\n\n;\nexport { WhiskerBoxCommonMixin };","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport SeriesModel from '../../model/Series';\nimport { WhiskerBoxCommonMixin } from '../helper/whiskerBoxCommon';\nimport { mixin } from 'zrender/lib/core/util';\n\nvar BoxplotSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(BoxplotSeriesModel, _super);\n\n  function BoxplotSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = BoxplotSeriesModel.type; // TODO\n    // box width represents group size, so dimension should have 'size'.\n\n    /**\n     * @see <https://en.wikipedia.org/wiki/Box_plot>\n     * The meanings of 'min' and 'max' depend on user,\n     * and echarts do not need to know it.\n     * @readOnly\n     */\n\n    _this.defaultValueDimensions = [{\n      name: 'min',\n      defaultTooltip: true\n    }, {\n      name: 'Q1',\n      defaultTooltip: true\n    }, {\n      name: 'median',\n      defaultTooltip: true\n    }, {\n      name: 'Q3',\n      defaultTooltip: true\n    }, {\n      name: 'max',\n      defaultTooltip: true\n    }];\n    _this.visualDrawType = 'stroke';\n    return _this;\n  }\n\n  BoxplotSeriesModel.type = 'series.boxplot';\n  BoxplotSeriesModel.dependencies = ['xAxis', 'yAxis', 'grid'];\n  BoxplotSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    coordinateSystem: 'cartesian2d',\n    legendHoverLink: true,\n    layout: null,\n    boxWidth: [7, 50],\n    itemStyle: {\n      color: '#fff',\n      borderWidth: 1\n    },\n    emphasis: {\n      scale: true,\n      itemStyle: {\n        borderWidth: 2,\n        shadowBlur: 5,\n        shadowOffsetX: 1,\n        shadowOffsetY: 1,\n        shadowColor: 'rgba(0,0,0,0.2)'\n      }\n    },\n    animationDuration: 800\n  };\n  return BoxplotSeriesModel;\n}(SeriesModel);\n\nmixin(BoxplotSeriesModel, WhiskerBoxCommonMixin, true);\nexport default BoxplotSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport ChartView from '../../view/Chart';\nimport * as graphic from '../../util/graphic';\nimport { setStatesStylesFromModel, enableHoverEmphasis } from '../../util/states';\nimport Path from 'zrender/lib/graphic/Path';\n\nvar BoxplotView =\n/** @class */\nfunction (_super) {\n  __extends(BoxplotView, _super);\n\n  function BoxplotView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = BoxplotView.type;\n    return _this;\n  }\n\n  BoxplotView.prototype.render = function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n    var group = this.group;\n    var oldData = this._data; // There is no old data only when first rendering or switching from\n    // stream mode to normal mode, where previous elements should be removed.\n\n    if (!this._data) {\n      group.removeAll();\n    }\n\n    var constDim = seriesModel.get('layout') === 'horizontal' ? 1 : 0;\n    data.diff(oldData).add(function (newIdx) {\n      if (data.hasValue(newIdx)) {\n        var itemLayout = data.getItemLayout(newIdx);\n        var symbolEl = createNormalBox(itemLayout, data, newIdx, constDim, true);\n        data.setItemGraphicEl(newIdx, symbolEl);\n        group.add(symbolEl);\n      }\n    }).update(function (newIdx, oldIdx) {\n      var symbolEl = oldData.getItemGraphicEl(oldIdx); // Empty data\n\n      if (!data.hasValue(newIdx)) {\n        group.remove(symbolEl);\n        return;\n      }\n\n      var itemLayout = data.getItemLayout(newIdx);\n\n      if (!symbolEl) {\n        symbolEl = createNormalBox(itemLayout, data, newIdx, constDim);\n      } else {\n        updateNormalBoxData(itemLayout, symbolEl, data, newIdx);\n      }\n\n      group.add(symbolEl);\n      data.setItemGraphicEl(newIdx, symbolEl);\n    }).remove(function (oldIdx) {\n      var el = oldData.getItemGraphicEl(oldIdx);\n      el && group.remove(el);\n    }).execute();\n    this._data = data;\n  };\n\n  BoxplotView.prototype.remove = function (ecModel) {\n    var group = this.group;\n    var data = this._data;\n    this._data = null;\n    data && data.eachItemGraphicEl(function (el) {\n      el && group.remove(el);\n    });\n  };\n\n  BoxplotView.type = 'boxplot';\n  return BoxplotView;\n}(ChartView);\n\nvar BoxPathShape =\n/** @class */\nfunction () {\n  function BoxPathShape() {}\n\n  return BoxPathShape;\n}();\n\nvar BoxPath =\n/** @class */\nfunction (_super) {\n  __extends(BoxPath, _super);\n\n  function BoxPath(opts) {\n    var _this = _super.call(this, opts) || this;\n\n    _this.type = 'boxplotBoxPath';\n    return _this;\n  }\n\n  BoxPath.prototype.getDefaultShape = function () {\n    return new BoxPathShape();\n  };\n\n  BoxPath.prototype.buildPath = function (ctx, shape) {\n    var ends = shape.points;\n    var i = 0;\n    ctx.moveTo(ends[i][0], ends[i][1]);\n    i++;\n\n    for (; i < 4; i++) {\n      ctx.lineTo(ends[i][0], ends[i][1]);\n    }\n\n    ctx.closePath();\n\n    for (; i < ends.length; i++) {\n      ctx.moveTo(ends[i][0], ends[i][1]);\n      i++;\n      ctx.lineTo(ends[i][0], ends[i][1]);\n    }\n  };\n\n  return BoxPath;\n}(Path);\n\nfunction createNormalBox(itemLayout, data, dataIndex, constDim, isInit) {\n  var ends = itemLayout.ends;\n  var el = new BoxPath({\n    shape: {\n      points: isInit ? transInit(ends, constDim, itemLayout) : ends\n    }\n  });\n  updateNormalBoxData(itemLayout, el, data, dataIndex, isInit);\n  return el;\n}\n\nfunction updateNormalBoxData(itemLayout, el, data, dataIndex, isInit) {\n  var seriesModel = data.hostModel;\n  var updateMethod = graphic[isInit ? 'initProps' : 'updateProps'];\n  updateMethod(el, {\n    shape: {\n      points: itemLayout.ends\n    }\n  }, seriesModel, dataIndex);\n  el.useStyle(data.getItemVisual(dataIndex, 'style'));\n  el.style.strokeNoScale = true;\n  el.z2 = 100;\n  var itemModel = data.getItemModel(dataIndex);\n  setStatesStylesFromModel(el, itemModel);\n  enableHoverEmphasis(el, itemModel.get(['emphasis', 'focus']), itemModel.get(['emphasis', 'blurScope']));\n}\n\nfunction transInit(points, dim, itemLayout) {\n  return zrUtil.map(points, function (point) {\n    point = point.slice();\n    point[dim] = itemLayout.initBaseline;\n    return point;\n  });\n}\n\nexport default BoxplotView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport default function boxplotVisual(ecModel, api) {}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { parsePercent } from '../../util/number';\nvar each = zrUtil.each;\nexport default function boxplotLayout(ecModel) {\n  var groupResult = groupSeriesByAxis(ecModel);\n  each(groupResult, function (groupItem) {\n    var seriesModels = groupItem.seriesModels;\n\n    if (!seriesModels.length) {\n      return;\n    }\n\n    calculateBase(groupItem);\n    each(seriesModels, function (seriesModel, idx) {\n      layoutSingleSeries(seriesModel, groupItem.boxOffsetList[idx], groupItem.boxWidthList[idx]);\n    });\n  });\n}\n/**\n * Group series by axis.\n */\n\nfunction groupSeriesByAxis(ecModel) {\n  var result = [];\n  var axisList = [];\n  ecModel.eachSeriesByType('boxplot', function (seriesModel) {\n    var baseAxis = seriesModel.getBaseAxis();\n    var idx = zrUtil.indexOf(axisList, baseAxis);\n\n    if (idx < 0) {\n      idx = axisList.length;\n      axisList[idx] = baseAxis;\n      result[idx] = {\n        axis: baseAxis,\n        seriesModels: []\n      };\n    }\n\n    result[idx].seriesModels.push(seriesModel);\n  });\n  return result;\n}\n/**\n * Calculate offset and box width for each series.\n */\n\n\nfunction calculateBase(groupItem) {\n  var extent;\n  var baseAxis = groupItem.axis;\n  var seriesModels = groupItem.seriesModels;\n  var seriesCount = seriesModels.length;\n  var boxWidthList = groupItem.boxWidthList = [];\n  var boxOffsetList = groupItem.boxOffsetList = [];\n  var boundList = [];\n  var bandWidth;\n\n  if (baseAxis.type === 'category') {\n    bandWidth = baseAxis.getBandWidth();\n  } else {\n    var maxDataCount_1 = 0;\n    each(seriesModels, function (seriesModel) {\n      maxDataCount_1 = Math.max(maxDataCount_1, seriesModel.getData().count());\n    });\n    extent = baseAxis.getExtent(), Math.abs(extent[1] - extent[0]) / maxDataCount_1;\n  }\n\n  each(seriesModels, function (seriesModel) {\n    var boxWidthBound = seriesModel.get('boxWidth');\n\n    if (!zrUtil.isArray(boxWidthBound)) {\n      boxWidthBound = [boxWidthBound, boxWidthBound];\n    }\n\n    boundList.push([parsePercent(boxWidthBound[0], bandWidth) || 0, parsePercent(boxWidthBound[1], bandWidth) || 0]);\n  });\n  var availableWidth = bandWidth * 0.8 - 2;\n  var boxGap = availableWidth / seriesCount * 0.3;\n  var boxWidth = (availableWidth - boxGap * (seriesCount - 1)) / seriesCount;\n  var base = boxWidth / 2 - availableWidth / 2;\n  each(seriesModels, function (seriesModel, idx) {\n    boxOffsetList.push(base);\n    base += boxGap + boxWidth;\n    boxWidthList.push(Math.min(Math.max(boxWidth, boundList[idx][0]), boundList[idx][1]));\n  });\n}\n/**\n * Calculate points location for each series.\n */\n\n\nfunction layoutSingleSeries(seriesModel, offset, boxWidth) {\n  var coordSys = seriesModel.coordinateSystem;\n  var data = seriesModel.getData();\n  var halfWidth = boxWidth / 2;\n  var cDimIdx = seriesModel.get('layout') === 'horizontal' ? 0 : 1;\n  var vDimIdx = 1 - cDimIdx;\n  var coordDims = ['x', 'y'];\n  var cDim = data.mapDimension(coordDims[cDimIdx]);\n  var vDims = data.mapDimensionsAll(coordDims[vDimIdx]);\n\n  if (cDim == null || vDims.length < 5) {\n    return;\n  }\n\n  for (var dataIndex = 0; dataIndex < data.count(); dataIndex++) {\n    var axisDimVal = data.get(cDim, dataIndex);\n    var median = getPoint(axisDimVal, vDims[2], dataIndex);\n    var end1 = getPoint(axisDimVal, vDims[0], dataIndex);\n    var end2 = getPoint(axisDimVal, vDims[1], dataIndex);\n    var end4 = getPoint(axisDimVal, vDims[3], dataIndex);\n    var end5 = getPoint(axisDimVal, vDims[4], dataIndex);\n    var ends = [];\n    addBodyEnd(ends, end2, false);\n    addBodyEnd(ends, end4, true);\n    ends.push(end1, end2, end5, end4);\n    layEndLine(ends, end1);\n    layEndLine(ends, end5);\n    layEndLine(ends, median);\n    data.setItemLayout(dataIndex, {\n      initBaseline: median[vDimIdx],\n      ends: ends\n    });\n  }\n\n  function getPoint(axisDimVal, dim, dataIndex) {\n    var val = data.get(dim, dataIndex);\n    var p = [];\n    p[cDimIdx] = axisDimVal;\n    p[vDimIdx] = val;\n    var point;\n\n    if (isNaN(axisDimVal) || isNaN(val)) {\n      point = [NaN, NaN];\n    } else {\n      point = coordSys.dataToPoint(p);\n      point[cDimIdx] += offset;\n    }\n\n    return point;\n  }\n\n  function addBodyEnd(ends, point, start) {\n    var point1 = point.slice();\n    var point2 = point.slice();\n    point1[cDimIdx] += halfWidth;\n    point2[cDimIdx] -= halfWidth;\n    start ? ends.push(point1, point2) : ends.push(point2, point1);\n  }\n\n  function layEndLine(ends, endCenter) {\n    var from = endCenter.slice();\n    var to = endCenter.slice();\n    from[cDimIdx] -= halfWidth;\n    to[cDimIdx] += halfWidth;\n    ends.push(from, to);\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport prepareBoxplotData from './prepareBoxplotData';\nimport { throwError, makePrintable } from '../../util/log';\nimport { SOURCE_FORMAT_ARRAY_ROWS } from '../../util/types';\nexport var boxplotTransform = {\n  type: 'echarts:boxplot',\n  transform: function transform(params) {\n    var upstream = params.upstream;\n\n    if (upstream.sourceFormat !== SOURCE_FORMAT_ARRAY_ROWS) {\n      var errMsg = '';\n\n      if (process.env.NODE_ENV !== 'production') {\n        errMsg = makePrintable('source data is not applicable for this boxplot transform. Expect number[][].');\n      }\n\n      throwError(errMsg);\n    }\n\n    var result = prepareBoxplotData(upstream.getRawData(), params.config);\n    return [{\n      dimensions: ['ItemName', 'Low', 'Q1', 'Q2', 'Q3', 'High'],\n      data: result.boxData\n    }, {\n      data: result.outliers\n    }];\n  }\n};","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { quantile, asc } from '../../util/number';\nimport { isFunction, isString } from 'zrender/lib/core/util';\n/**\n * See:\n *  <https://en.wikipedia.org/wiki/Box_plot#cite_note-frigge_hoaglin_iglewicz-2>\n *  <http://stat.ethz.ch/R-manual/R-devel/library/grDevices/html/boxplot.stats.html>\n *\n * Helper method for preparing data.\n *\n * @param rawData like\n *        [\n *            [12,232,443], (raw data set for the first box)\n *            [3843,5545,1232], (raw data set for the second box)\n *            ...\n *        ]\n * @param opt.boundIQR=1.5 Data less than min bound is outlier.\n *      default 1.5, means Q1 - 1.5 * (Q3 - Q1).\n *      If 'none'/0 passed, min bound will not be used.\n */\n\nexport default function prepareBoxplotData(rawData, opt) {\n  opt = opt || {};\n  var boxData = [];\n  var outliers = [];\n  var boundIQR = opt.boundIQR;\n  var useExtreme = boundIQR === 'none' || boundIQR === 0;\n\n  for (var i = 0; i < rawData.length; i++) {\n    var ascList = asc(rawData[i].slice());\n    var Q1 = quantile(ascList, 0.25);\n    var Q2 = quantile(ascList, 0.5);\n    var Q3 = quantile(ascList, 0.75);\n    var min = ascList[0];\n    var max = ascList[ascList.length - 1];\n    var bound = (boundIQR == null ? 1.5 : boundIQR) * (Q3 - Q1);\n    var low = useExtreme ? min : Math.max(min, Q1 - bound);\n    var high = useExtreme ? max : Math.min(max, Q3 + bound);\n    var itemNameFormatter = opt.itemNameFormatter;\n    var itemName = isFunction(itemNameFormatter) ? itemNameFormatter({\n      value: i\n    }) : isString(itemNameFormatter) ? itemNameFormatter.replace('{value}', i + '') : i + '';\n    boxData.push([itemName, low, Q1, Q2, Q3, high]);\n\n    for (var j = 0; j < ascList.length; j++) {\n      var dataItem = ascList[j];\n\n      if (dataItem < low || dataItem > high) {\n        var outlier = [itemName, dataItem];\n        outliers.push(outlier);\n      }\n    }\n  }\n\n  return {\n    boxData: boxData,\n    outliers: outliers\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport ChartView from '../../view/Chart';\nimport * as graphic from '../../util/graphic';\nimport { setStatesStylesFromModel } from '../../util/states';\nimport Path from 'zrender/lib/graphic/Path';\nimport { createClipPath } from '../helper/createClipPathFromCoordSys';\nvar SKIP_PROPS = ['color', 'borderColor'];\n\nvar CandlestickView =\n/** @class */\nfunction (_super) {\n  __extends(CandlestickView, _super);\n\n  function CandlestickView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = CandlestickView.type;\n    return _this;\n  }\n\n  CandlestickView.prototype.render = function (seriesModel, ecModel, api) {\n    // If there is clipPath created in large mode. Remove it.\n    this.group.removeClipPath();\n\n    this._updateDrawMode(seriesModel);\n\n    this._isLargeDraw ? this._renderLarge(seriesModel) : this._renderNormal(seriesModel);\n  };\n\n  CandlestickView.prototype.incrementalPrepareRender = function (seriesModel, ecModel, api) {\n    this._clear();\n\n    this._updateDrawMode(seriesModel);\n  };\n\n  CandlestickView.prototype.incrementalRender = function (params, seriesModel, ecModel, api) {\n    this._isLargeDraw ? this._incrementalRenderLarge(params, seriesModel) : this._incrementalRenderNormal(params, seriesModel);\n  };\n\n  CandlestickView.prototype._updateDrawMode = function (seriesModel) {\n    var isLargeDraw = seriesModel.pipelineContext.large;\n\n    if (this._isLargeDraw == null || isLargeDraw !== this._isLargeDraw) {\n      this._isLargeDraw = isLargeDraw;\n\n      this._clear();\n    }\n  };\n\n  CandlestickView.prototype._renderNormal = function (seriesModel) {\n    var data = seriesModel.getData();\n    var oldData = this._data;\n    var group = this.group;\n    var isSimpleBox = data.getLayout('isSimpleBox');\n    var needsClip = seriesModel.get('clip', true);\n    var coord = seriesModel.coordinateSystem;\n    var clipArea = coord.getArea && coord.getArea(); // There is no old data only when first rendering or switching from\n    // stream mode to normal mode, where previous elements should be removed.\n\n    if (!this._data) {\n      group.removeAll();\n    }\n\n    data.diff(oldData).add(function (newIdx) {\n      if (data.hasValue(newIdx)) {\n        var itemLayout = data.getItemLayout(newIdx);\n\n        if (needsClip && isNormalBoxClipped(clipArea, itemLayout)) {\n          return;\n        }\n\n        var el = createNormalBox(itemLayout, newIdx, true);\n        graphic.initProps(el, {\n          shape: {\n            points: itemLayout.ends\n          }\n        }, seriesModel, newIdx);\n        setBoxCommon(el, data, newIdx, isSimpleBox);\n        group.add(el);\n        data.setItemGraphicEl(newIdx, el);\n      }\n    }).update(function (newIdx, oldIdx) {\n      var el = oldData.getItemGraphicEl(oldIdx); // Empty data\n\n      if (!data.hasValue(newIdx)) {\n        group.remove(el);\n        return;\n      }\n\n      var itemLayout = data.getItemLayout(newIdx);\n\n      if (needsClip && isNormalBoxClipped(clipArea, itemLayout)) {\n        group.remove(el);\n        return;\n      }\n\n      if (!el) {\n        el = createNormalBox(itemLayout, newIdx);\n      } else {\n        graphic.updateProps(el, {\n          shape: {\n            points: itemLayout.ends\n          }\n        }, seriesModel, newIdx);\n      }\n\n      setBoxCommon(el, data, newIdx, isSimpleBox);\n      group.add(el);\n      data.setItemGraphicEl(newIdx, el);\n    }).remove(function (oldIdx) {\n      var el = oldData.getItemGraphicEl(oldIdx);\n      el && group.remove(el);\n    }).execute();\n    this._data = data;\n  };\n\n  CandlestickView.prototype._renderLarge = function (seriesModel) {\n    this._clear();\n\n    createLarge(seriesModel, this.group);\n    var clipPath = seriesModel.get('clip', true) ? createClipPath(seriesModel.coordinateSystem, false, seriesModel) : null;\n\n    if (clipPath) {\n      this.group.setClipPath(clipPath);\n    } else {\n      this.group.removeClipPath();\n    }\n  };\n\n  CandlestickView.prototype._incrementalRenderNormal = function (params, seriesModel) {\n    var data = seriesModel.getData();\n    var isSimpleBox = data.getLayout('isSimpleBox');\n    var dataIndex;\n\n    while ((dataIndex = params.next()) != null) {\n      var itemLayout = data.getItemLayout(dataIndex);\n      var el = createNormalBox(itemLayout, dataIndex);\n      setBoxCommon(el, data, dataIndex, isSimpleBox);\n      el.incremental = true;\n      this.group.add(el);\n    }\n  };\n\n  CandlestickView.prototype._incrementalRenderLarge = function (params, seriesModel) {\n    createLarge(seriesModel, this.group, true);\n  };\n\n  CandlestickView.prototype.remove = function (ecModel) {\n    this._clear();\n  };\n\n  CandlestickView.prototype._clear = function () {\n    this.group.removeAll();\n    this._data = null;\n  };\n\n  CandlestickView.type = 'candlestick';\n  return CandlestickView;\n}(ChartView);\n\nvar NormalBoxPathShape =\n/** @class */\nfunction () {\n  function NormalBoxPathShape() {}\n\n  return NormalBoxPathShape;\n}();\n\nvar NormalBoxPath =\n/** @class */\nfunction (_super) {\n  __extends(NormalBoxPath, _super);\n\n  function NormalBoxPath(opts) {\n    var _this = _super.call(this, opts) || this;\n\n    _this.type = 'normalCandlestickBox';\n    return _this;\n  }\n\n  NormalBoxPath.prototype.getDefaultShape = function () {\n    return new NormalBoxPathShape();\n  };\n\n  NormalBoxPath.prototype.buildPath = function (ctx, shape) {\n    var ends = shape.points;\n\n    if (this.__simpleBox) {\n      ctx.moveTo(ends[4][0], ends[4][1]);\n      ctx.lineTo(ends[6][0], ends[6][1]);\n    } else {\n      ctx.moveTo(ends[0][0], ends[0][1]);\n      ctx.lineTo(ends[1][0], ends[1][1]);\n      ctx.lineTo(ends[2][0], ends[2][1]);\n      ctx.lineTo(ends[3][0], ends[3][1]);\n      ctx.closePath();\n      ctx.moveTo(ends[4][0], ends[4][1]);\n      ctx.lineTo(ends[5][0], ends[5][1]);\n      ctx.moveTo(ends[6][0], ends[6][1]);\n      ctx.lineTo(ends[7][0], ends[7][1]);\n    }\n  };\n\n  return NormalBoxPath;\n}(Path);\n\nfunction createNormalBox(itemLayout, dataIndex, isInit) {\n  var ends = itemLayout.ends;\n  return new NormalBoxPath({\n    shape: {\n      points: isInit ? transInit(ends, itemLayout) : ends\n    },\n    z2: 100\n  });\n}\n\nfunction isNormalBoxClipped(clipArea, itemLayout) {\n  var clipped = true;\n\n  for (var i = 0; i < itemLayout.ends.length; i++) {\n    // If any point are in the region.\n    if (clipArea.contain(itemLayout.ends[i][0], itemLayout.ends[i][1])) {\n      clipped = false;\n      break;\n    }\n  }\n\n  return clipped;\n}\n\nfunction setBoxCommon(el, data, dataIndex, isSimpleBox) {\n  var itemModel = data.getItemModel(dataIndex);\n  el.useStyle(data.getItemVisual(dataIndex, 'style'));\n  el.style.strokeNoScale = true;\n  el.__simpleBox = isSimpleBox;\n  setStatesStylesFromModel(el, itemModel);\n}\n\nfunction transInit(points, itemLayout) {\n  return zrUtil.map(points, function (point) {\n    point = point.slice();\n    point[1] = itemLayout.initBaseline;\n    return point;\n  });\n}\n\nvar LargeBoxPathShape =\n/** @class */\nfunction () {\n  function LargeBoxPathShape() {}\n\n  return LargeBoxPathShape;\n}();\n\nvar LargeBoxPath =\n/** @class */\nfunction (_super) {\n  __extends(LargeBoxPath, _super);\n\n  function LargeBoxPath(opts) {\n    var _this = _super.call(this, opts) || this;\n\n    _this.type = 'largeCandlestickBox';\n    return _this;\n  }\n\n  LargeBoxPath.prototype.getDefaultShape = function () {\n    return new LargeBoxPathShape();\n  };\n\n  LargeBoxPath.prototype.buildPath = function (ctx, shape) {\n    // Drawing lines is more efficient than drawing\n    // a whole line or drawing rects.\n    var points = shape.points;\n\n    for (var i = 0; i < points.length;) {\n      if (this.__sign === points[i++]) {\n        var x = points[i++];\n        ctx.moveTo(x, points[i++]);\n        ctx.lineTo(x, points[i++]);\n      } else {\n        i += 3;\n      }\n    }\n  };\n\n  return LargeBoxPath;\n}(Path);\n\nfunction createLarge(seriesModel, group, incremental) {\n  var data = seriesModel.getData();\n  var largePoints = data.getLayout('largePoints');\n  var elP = new LargeBoxPath({\n    shape: {\n      points: largePoints\n    },\n    __sign: 1\n  });\n  group.add(elP);\n  var elN = new LargeBoxPath({\n    shape: {\n      points: largePoints\n    },\n    __sign: -1\n  });\n  group.add(elN);\n  setLargeStyle(1, elP, seriesModel, data);\n  setLargeStyle(-1, elN, seriesModel, data);\n\n  if (incremental) {\n    elP.incremental = true;\n    elN.incremental = true;\n  }\n}\n\nfunction setLargeStyle(sign, el, seriesModel, data) {\n  // TODO put in visual?\n  var borderColor = seriesModel.get(['itemStyle', sign > 0 ? 'borderColor' : 'borderColor0']) || seriesModel.get(['itemStyle', sign > 0 ? 'color' : 'color0']); // Color must be excluded.\n  // Because symbol provide setColor individually to set fill and stroke\n\n  var itemStyle = seriesModel.getModel('itemStyle').getItemStyle(SKIP_PROPS);\n  el.useStyle(itemStyle);\n  el.style.fill = null;\n  el.style.stroke = borderColor;\n}\n\nexport default CandlestickView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport SeriesModel from '../../model/Series';\nimport { WhiskerBoxCommonMixin } from '../helper/whiskerBoxCommon';\nimport { mixin } from 'zrender/lib/core/util';\n\nvar CandlestickSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(CandlestickSeriesModel, _super);\n\n  function CandlestickSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = CandlestickSeriesModel.type;\n    _this.defaultValueDimensions = [{\n      name: 'open',\n      defaultTooltip: true\n    }, {\n      name: 'close',\n      defaultTooltip: true\n    }, {\n      name: 'lowest',\n      defaultTooltip: true\n    }, {\n      name: 'highest',\n      defaultTooltip: true\n    }];\n    return _this;\n  }\n  /**\n   * Get dimension for shadow in dataZoom\n   * @return dimension name\n   */\n\n\n  CandlestickSeriesModel.prototype.getShadowDim = function () {\n    return 'open';\n  };\n\n  CandlestickSeriesModel.prototype.brushSelector = function (dataIndex, data, selectors) {\n    var itemLayout = data.getItemLayout(dataIndex);\n    return itemLayout && selectors.rect(itemLayout.brushRect);\n  };\n\n  CandlestickSeriesModel.type = 'series.candlestick';\n  CandlestickSeriesModel.dependencies = ['xAxis', 'yAxis', 'grid'];\n  CandlestickSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    coordinateSystem: 'cartesian2d',\n    legendHoverLink: true,\n    // xAxisIndex: 0,\n    // yAxisIndex: 0,\n    layout: null,\n    clip: true,\n    itemStyle: {\n      color: '#eb5454',\n      color0: '#47b262',\n      borderColor: '#eb5454',\n      borderColor0: '#47b262',\n      // borderColor: '#d24040',\n      // borderColor0: '#398f4f',\n      borderWidth: 1\n    },\n    emphasis: {\n      scale: true,\n      itemStyle: {\n        borderWidth: 2\n      }\n    },\n    barMaxWidth: null,\n    barMinWidth: null,\n    barWidth: null,\n    large: true,\n    largeThreshold: 600,\n    progressive: 3e3,\n    progressiveThreshold: 1e4,\n    progressiveChunkMode: 'mod',\n    animationEasing: 'linear',\n    animationDuration: 300\n  };\n  return CandlestickSeriesModel;\n}(SeriesModel);\n\nmixin(CandlestickSeriesModel, WhiskerBoxCommonMixin, true);\nexport default CandlestickSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nexport default function candlestickPreprocessor(option) {\n  if (!option || !zrUtil.isArray(option.series)) {\n    return;\n  } // Translate 'k' to 'candlestick'.\n\n\n  zrUtil.each(option.series, function (seriesItem) {\n    if (zrUtil.isObject(seriesItem) && seriesItem.type === 'k') {\n      seriesItem.type = 'candlestick';\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport createRenderPlanner from '../helper/createRenderPlanner';\nimport { extend } from 'zrender/lib/core/util';\nvar positiveBorderColorQuery = ['itemStyle', 'borderColor'];\nvar negativeBorderColorQuery = ['itemStyle', 'borderColor0'];\nvar positiveColorQuery = ['itemStyle', 'color'];\nvar negativeColorQuery = ['itemStyle', 'color0'];\nvar candlestickVisual = {\n  seriesType: 'candlestick',\n  plan: createRenderPlanner(),\n  // For legend.\n  performRawSeries: true,\n  reset: function (seriesModel, ecModel) {\n    function getColor(sign, model) {\n      return model.get(sign > 0 ? positiveColorQuery : negativeColorQuery);\n    }\n\n    function getBorderColor(sign, model) {\n      return model.get(sign > 0 ? positiveBorderColorQuery : negativeBorderColorQuery);\n    }\n\n    var data = seriesModel.getData(); // Only visible series has each data be visual encoded\n\n    if (ecModel.isSeriesFiltered(seriesModel)) {\n      return;\n    }\n\n    var isLargeRender = seriesModel.pipelineContext.large;\n    return !isLargeRender && {\n      progress: function (params, data) {\n        var dataIndex;\n\n        while ((dataIndex = params.next()) != null) {\n          var itemModel = data.getItemModel(dataIndex);\n          var sign = data.getItemLayout(dataIndex).sign;\n          var style = itemModel.getItemStyle();\n          style.fill = getColor(sign, itemModel);\n          style.stroke = getBorderColor(sign, itemModel) || style.fill;\n          var existsStyle = data.ensureUniqueItemVisual(dataIndex, 'style');\n          extend(existsStyle, style);\n        }\n      }\n    };\n  }\n};\nexport default candlestickVisual;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/* global Float32Array */\nimport { subPixelOptimize } from '../../util/graphic';\nimport createRenderPlanner from '../helper/createRenderPlanner';\nimport { parsePercent } from '../../util/number';\nimport { retrieve2 } from 'zrender/lib/core/util';\nvar LargeArr = typeof Float32Array !== 'undefined' ? Float32Array : Array;\nvar candlestickLayout = {\n  seriesType: 'candlestick',\n  plan: createRenderPlanner(),\n  reset: function (seriesModel) {\n    var coordSys = seriesModel.coordinateSystem;\n    var data = seriesModel.getData();\n    var candleWidth = calculateCandleWidth(seriesModel, data);\n    var cDimIdx = 0;\n    var vDimIdx = 1;\n    var coordDims = ['x', 'y'];\n    var cDim = data.mapDimension(coordDims[cDimIdx]);\n    var vDims = data.mapDimensionsAll(coordDims[vDimIdx]);\n    var openDim = vDims[0];\n    var closeDim = vDims[1];\n    var lowestDim = vDims[2];\n    var highestDim = vDims[3];\n    data.setLayout({\n      candleWidth: candleWidth,\n      // The value is experimented visually.\n      isSimpleBox: candleWidth <= 1.3\n    });\n\n    if (cDim == null || vDims.length < 4) {\n      return;\n    }\n\n    return {\n      progress: seriesModel.pipelineContext.large ? largeProgress : normalProgress\n    };\n\n    function normalProgress(params, data) {\n      var dataIndex;\n\n      while ((dataIndex = params.next()) != null) {\n        var axisDimVal = data.get(cDim, dataIndex);\n        var openVal = data.get(openDim, dataIndex);\n        var closeVal = data.get(closeDim, dataIndex);\n        var lowestVal = data.get(lowestDim, dataIndex);\n        var highestVal = data.get(highestDim, dataIndex);\n        var ocLow = Math.min(openVal, closeVal);\n        var ocHigh = Math.max(openVal, closeVal);\n        var ocLowPoint = getPoint(ocLow, axisDimVal);\n        var ocHighPoint = getPoint(ocHigh, axisDimVal);\n        var lowestPoint = getPoint(lowestVal, axisDimVal);\n        var highestPoint = getPoint(highestVal, axisDimVal);\n        var ends = [];\n        addBodyEnd(ends, ocHighPoint, 0);\n        addBodyEnd(ends, ocLowPoint, 1);\n        ends.push(subPixelOptimizePoint(highestPoint), subPixelOptimizePoint(ocHighPoint), subPixelOptimizePoint(lowestPoint), subPixelOptimizePoint(ocLowPoint));\n        data.setItemLayout(dataIndex, {\n          sign: getSign(data, dataIndex, openVal, closeVal, closeDim),\n          initBaseline: openVal > closeVal ? ocHighPoint[vDimIdx] : ocLowPoint[vDimIdx],\n          ends: ends,\n          brushRect: makeBrushRect(lowestVal, highestVal, axisDimVal)\n        });\n      }\n\n      function getPoint(val, axisDimVal) {\n        var p = [];\n        p[cDimIdx] = axisDimVal;\n        p[vDimIdx] = val;\n        return isNaN(axisDimVal) || isNaN(val) ? [NaN, NaN] : coordSys.dataToPoint(p);\n      }\n\n      function addBodyEnd(ends, point, start) {\n        var point1 = point.slice();\n        var point2 = point.slice();\n        point1[cDimIdx] = subPixelOptimize(point1[cDimIdx] + candleWidth / 2, 1, false);\n        point2[cDimIdx] = subPixelOptimize(point2[cDimIdx] - candleWidth / 2, 1, true);\n        start ? ends.push(point1, point2) : ends.push(point2, point1);\n      }\n\n      function makeBrushRect(lowestVal, highestVal, axisDimVal) {\n        var pmin = getPoint(lowestVal, axisDimVal);\n        var pmax = getPoint(highestVal, axisDimVal);\n        pmin[cDimIdx] -= candleWidth / 2;\n        pmax[cDimIdx] -= candleWidth / 2;\n        return {\n          x: pmin[0],\n          y: pmin[1],\n          width: vDimIdx ? candleWidth : pmax[0] - pmin[0],\n          height: vDimIdx ? pmax[1] - pmin[1] : candleWidth\n        };\n      }\n\n      function subPixelOptimizePoint(point) {\n        point[cDimIdx] = subPixelOptimize(point[cDimIdx], 1);\n        return point;\n      }\n    }\n\n    function largeProgress(params, data) {\n      // Structure: [sign, x, yhigh, ylow, sign, x, yhigh, ylow, ...]\n      var points = new LargeArr(params.count * 4);\n      var offset = 0;\n      var point;\n      var tmpIn = [];\n      var tmpOut = [];\n      var dataIndex;\n\n      while ((dataIndex = params.next()) != null) {\n        var axisDimVal = data.get(cDim, dataIndex);\n        var openVal = data.get(openDim, dataIndex);\n        var closeVal = data.get(closeDim, dataIndex);\n        var lowestVal = data.get(lowestDim, dataIndex);\n        var highestVal = data.get(highestDim, dataIndex);\n\n        if (isNaN(axisDimVal) || isNaN(lowestVal) || isNaN(highestVal)) {\n          points[offset++] = NaN;\n          offset += 3;\n          continue;\n        }\n\n        points[offset++] = getSign(data, dataIndex, openVal, closeVal, closeDim);\n        tmpIn[cDimIdx] = axisDimVal;\n        tmpIn[vDimIdx] = lowestVal;\n        point = coordSys.dataToPoint(tmpIn, null, tmpOut);\n        points[offset++] = point ? point[0] : NaN;\n        points[offset++] = point ? point[1] : NaN;\n        tmpIn[vDimIdx] = highestVal;\n        point = coordSys.dataToPoint(tmpIn, null, tmpOut);\n        points[offset++] = point ? point[1] : NaN;\n      }\n\n      data.setLayout('largePoints', points);\n    }\n  }\n};\n\nfunction getSign(data, dataIndex, openVal, closeVal, closeDim) {\n  var sign;\n\n  if (openVal > closeVal) {\n    sign = -1;\n  } else if (openVal < closeVal) {\n    sign = 1;\n  } else {\n    sign = dataIndex > 0 // If close === open, compare with close of last record\n    ? data.get(closeDim, dataIndex - 1) <= closeVal ? 1 : -1 : // No record of previous, set to be positive\n    1;\n  }\n\n  return sign;\n}\n\nfunction calculateCandleWidth(seriesModel, data) {\n  var baseAxis = seriesModel.getBaseAxis();\n  var extent;\n  var bandWidth = baseAxis.type === 'category' ? baseAxis.getBandWidth() : (extent = baseAxis.getExtent(), Math.abs(extent[1] - extent[0]) / data.count());\n  var barMaxWidth = parsePercent(retrieve2(seriesModel.get('barMaxWidth'), bandWidth), bandWidth);\n  var barMinWidth = parsePercent(retrieve2(seriesModel.get('barMinWidth'), 1), bandWidth);\n  var barWidth = seriesModel.get('barWidth');\n  return barWidth != null ? parsePercent(barWidth, bandWidth) // Put max outer to ensure bar visible in spite of overlap.\n  : Math.max(Math.min(bandWidth / 2, barMaxWidth), barMinWidth);\n}\n\nexport default candlestickLayout;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { createSymbol } from '../../util/symbol';\nimport { Group } from '../../util/graphic';\nimport { enterEmphasis, leaveEmphasis, enableHoverEmphasis } from '../../util/states';\nimport { parsePercent } from '../../util/number';\nimport SymbolClz from './Symbol';\nvar EFFECT_RIPPLE_NUMBER = 3;\n\nfunction normalizeSymbolSize(symbolSize) {\n  if (!zrUtil.isArray(symbolSize)) {\n    symbolSize = [+symbolSize, +symbolSize];\n  }\n\n  return symbolSize;\n}\n\nfunction updateRipplePath(rippleGroup, effectCfg) {\n  var color = effectCfg.rippleEffectColor || effectCfg.color;\n  rippleGroup.eachChild(function (ripplePath) {\n    ripplePath.attr({\n      z: effectCfg.z,\n      zlevel: effectCfg.zlevel,\n      style: {\n        stroke: effectCfg.brushType === 'stroke' ? color : null,\n        fill: effectCfg.brushType === 'fill' ? color : null\n      }\n    });\n  });\n}\n\nvar EffectSymbol =\n/** @class */\nfunction (_super) {\n  __extends(EffectSymbol, _super);\n\n  function EffectSymbol(data, idx) {\n    var _this = _super.call(this) || this;\n\n    var symbol = new SymbolClz(data, idx);\n    var rippleGroup = new Group();\n\n    _this.add(symbol);\n\n    _this.add(rippleGroup);\n\n    _this.updateData(data, idx);\n\n    return _this;\n  }\n\n  EffectSymbol.prototype.stopEffectAnimation = function () {\n    this.childAt(1).removeAll();\n  };\n\n  EffectSymbol.prototype.startEffectAnimation = function (effectCfg) {\n    var symbolType = effectCfg.symbolType;\n    var color = effectCfg.color;\n    var rippleGroup = this.childAt(1);\n\n    for (var i = 0; i < EFFECT_RIPPLE_NUMBER; i++) {\n      // If width/height are set too small (e.g., set to 1) on ios10\n      // and macOS Sierra, a circle stroke become a rect, no matter what\n      // the scale is set. So we set width/height as 2. See #4136.\n      var ripplePath = createSymbol(symbolType, -1, -1, 2, 2, color);\n      ripplePath.attr({\n        style: {\n          strokeNoScale: true\n        },\n        z2: 99,\n        silent: true,\n        scaleX: 0.5,\n        scaleY: 0.5\n      });\n      var delay = -i / EFFECT_RIPPLE_NUMBER * effectCfg.period + effectCfg.effectOffset; // TODO Configurable effectCfg.period\n\n      ripplePath.animate('', true).when(effectCfg.period, {\n        scaleX: effectCfg.rippleScale / 2,\n        scaleY: effectCfg.rippleScale / 2\n      }).delay(delay).start();\n      ripplePath.animateStyle(true).when(effectCfg.period, {\n        opacity: 0\n      }).delay(delay).start();\n      rippleGroup.add(ripplePath);\n    }\n\n    updateRipplePath(rippleGroup, effectCfg);\n  };\n  /**\n   * Update effect symbol\n   */\n\n\n  EffectSymbol.prototype.updateEffectAnimation = function (effectCfg) {\n    var oldEffectCfg = this._effectCfg;\n    var rippleGroup = this.childAt(1); // Must reinitialize effect if following configuration changed\n\n    var DIFFICULT_PROPS = ['symbolType', 'period', 'rippleScale'];\n\n    for (var i = 0; i < DIFFICULT_PROPS.length; i++) {\n      var propName = DIFFICULT_PROPS[i];\n\n      if (oldEffectCfg[propName] !== effectCfg[propName]) {\n        this.stopEffectAnimation();\n        this.startEffectAnimation(effectCfg);\n        return;\n      }\n    }\n\n    updateRipplePath(rippleGroup, effectCfg);\n  };\n  /**\n   * Highlight symbol\n   */\n\n\n  EffectSymbol.prototype.highlight = function () {\n    enterEmphasis(this);\n  };\n  /**\n   * Downplay symbol\n   */\n\n\n  EffectSymbol.prototype.downplay = function () {\n    leaveEmphasis(this);\n  };\n  /**\n   * Update symbol properties\n   */\n\n\n  EffectSymbol.prototype.updateData = function (data, idx) {\n    var _this = this;\n\n    var seriesModel = data.hostModel;\n    this.childAt(0).updateData(data, idx);\n    var rippleGroup = this.childAt(1);\n    var itemModel = data.getItemModel(idx);\n    var symbolType = data.getItemVisual(idx, 'symbol');\n    var symbolSize = normalizeSymbolSize(data.getItemVisual(idx, 'symbolSize'));\n    var symbolStyle = data.getItemVisual(idx, 'style');\n    var color = symbolStyle && symbolStyle.fill;\n    rippleGroup.setScale(symbolSize);\n    rippleGroup.traverse(function (ripplePath) {\n      ripplePath.setStyle('fill', color);\n    });\n    var symbolOffset = data.getItemVisual(idx, 'symbolOffset');\n\n    if (symbolOffset) {\n      if (!zrUtil.isArray(symbolOffset)) {\n        symbolOffset = [symbolOffset, symbolOffset];\n      }\n\n      rippleGroup.x = parsePercent(symbolOffset[0], symbolSize[0]);\n      rippleGroup.y = parsePercent(zrUtil.retrieve2(symbolOffset[1], symbolOffset[0]) || 0, symbolSize[1]);\n    }\n\n    var symbolRotate = data.getItemVisual(idx, 'symbolRotate');\n    rippleGroup.rotation = (symbolRotate || 0) * Math.PI / 180 || 0;\n    var effectCfg = {};\n    effectCfg.showEffectOn = seriesModel.get('showEffectOn');\n    effectCfg.rippleScale = itemModel.get(['rippleEffect', 'scale']);\n    effectCfg.brushType = itemModel.get(['rippleEffect', 'brushType']);\n    effectCfg.period = itemModel.get(['rippleEffect', 'period']) * 1000;\n    effectCfg.effectOffset = idx / data.count();\n    effectCfg.z = seriesModel.getShallow('z') || 0;\n    effectCfg.zlevel = seriesModel.getShallow('zlevel') || 0;\n    effectCfg.symbolType = symbolType;\n    effectCfg.color = color;\n    effectCfg.rippleEffectColor = itemModel.get(['rippleEffect', 'color']);\n    this.off('mouseover').off('mouseout').off('emphasis').off('normal');\n\n    if (effectCfg.showEffectOn === 'render') {\n      this._effectCfg ? this.updateEffectAnimation(effectCfg) : this.startEffectAnimation(effectCfg);\n      this._effectCfg = effectCfg;\n    } else {\n      // Not keep old effect config\n      this._effectCfg = null;\n      this.stopEffectAnimation();\n\n      this.onHoverStateChange = function (toState) {\n        if (toState === 'emphasis') {\n          if (effectCfg.showEffectOn !== 'render') {\n            _this.startEffectAnimation(effectCfg);\n          }\n        } else if (toState === 'normal') {\n          if (effectCfg.showEffectOn !== 'render') {\n            _this.stopEffectAnimation();\n          }\n        }\n      };\n    }\n\n    this._effectCfg = effectCfg;\n    enableHoverEmphasis(this);\n  };\n\n  ;\n\n  EffectSymbol.prototype.fadeOut = function (cb) {\n    this.off('mouseover').off('mouseout');\n    cb && cb();\n  };\n\n  ;\n  return EffectSymbol;\n}(Group);\n\nexport default EffectSymbol;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport SymbolDraw from '../helper/SymbolDraw';\nimport EffectSymbol from '../helper/EffectSymbol';\nimport * as matrix from 'zrender/lib/core/matrix';\nimport pointsLayout from '../../layout/points';\nimport ChartView from '../../view/Chart';\n\nvar EffectScatterView =\n/** @class */\nfunction (_super) {\n  __extends(EffectScatterView, _super);\n\n  function EffectScatterView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = EffectScatterView.type;\n    return _this;\n  }\n\n  EffectScatterView.prototype.init = function () {\n    this._symbolDraw = new SymbolDraw(EffectSymbol);\n  };\n\n  EffectScatterView.prototype.render = function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n    var effectSymbolDraw = this._symbolDraw;\n    effectSymbolDraw.updateData(data, {\n      clipShape: this._getClipShape(seriesModel)\n    });\n    this.group.add(effectSymbolDraw.group);\n  };\n\n  EffectScatterView.prototype._getClipShape = function (seriesModel) {\n    var coordSys = seriesModel.coordinateSystem;\n    var clipArea = coordSys && coordSys.getArea && coordSys.getArea();\n    return seriesModel.get('clip', true) ? clipArea : null;\n  };\n\n  EffectScatterView.prototype.updateTransform = function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n    this.group.dirty();\n    var res = pointsLayout('').reset(seriesModel, ecModel, api);\n\n    if (res.progress) {\n      res.progress({\n        start: 0,\n        end: data.count(),\n        count: data.count()\n      }, data);\n    }\n\n    this._symbolDraw.updateLayout();\n  };\n\n  EffectScatterView.prototype._updateGroupTransform = function (seriesModel) {\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys && coordSys.getRoamTransform) {\n      this.group.transform = matrix.clone(coordSys.getRoamTransform());\n      this.group.decomposeTransform();\n    }\n  };\n\n  EffectScatterView.prototype.remove = function (ecModel, api) {\n    this._symbolDraw && this._symbolDraw.remove(true);\n  };\n\n  EffectScatterView.type = 'effectScatter';\n  return EffectScatterView;\n}(ChartView);\n\nexport default EffectScatterView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport createListFromArray from '../helper/createListFromArray';\nimport SeriesModel from '../../model/Series';\n\nvar EffectScatterSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(EffectScatterSeriesModel, _super);\n\n  function EffectScatterSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = EffectScatterSeriesModel.type;\n    _this.hasSymbolVisual = true;\n    return _this;\n  }\n\n  EffectScatterSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    return createListFromArray(this.getSource(), this, {\n      useEncodeDefaulter: true\n    });\n  };\n\n  EffectScatterSeriesModel.prototype.brushSelector = function (dataIndex, data, selectors) {\n    return selectors.point(data.getItemLayout(dataIndex));\n  };\n\n  EffectScatterSeriesModel.type = 'series.effectScatter';\n  EffectScatterSeriesModel.dependencies = ['grid', 'polar'];\n  EffectScatterSeriesModel.defaultOption = {\n    coordinateSystem: 'cartesian2d',\n    zlevel: 0,\n    z: 2,\n    legendHoverLink: true,\n    effectType: 'ripple',\n    progressive: 0,\n    // When to show the effect, option: 'render'|'emphasis'\n    showEffectOn: 'render',\n    clip: true,\n    // Ripple effect config\n    rippleEffect: {\n      period: 4,\n      // Scale of ripple\n      scale: 2.5,\n      // Brush type can be fill or stroke\n      brushType: 'fill'\n    },\n    // Cartesian coordinate system\n    // xAxisIndex: 0,\n    // yAxisIndex: 0,\n    // Polar coordinate system\n    // polarIndex: 0,\n    // Geo coordinate system\n    // geoIndex: 0,\n    // symbol: null,        // 图形类型\n    symbolSize: 10 // 图形大小，半宽（半径）参数，当图形为方向或菱形则总宽度为symbolSize * 2\n    // symbolRotate: null,  // 图形旋转控制\n    // itemStyle: {\n    //     opacity: 1\n    // }\n\n  };\n  return EffectScatterSeriesModel;\n}(SeriesModel);\n\nexport default EffectScatterSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\n/**\n * Provide effect for line\n */\n\nimport * as graphic from '../../util/graphic';\nimport Line from './Line';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { createSymbol } from '../../util/symbol';\nimport * as vec2 from 'zrender/lib/core/vector';\nimport * as curveUtil from 'zrender/lib/core/curve';\n\nvar EffectLine =\n/** @class */\nfunction (_super) {\n  __extends(EffectLine, _super);\n\n  function EffectLine(lineData, idx, seriesScope) {\n    var _this = _super.call(this) || this;\n\n    _this.add(_this.createLine(lineData, idx, seriesScope));\n\n    _this._updateEffectSymbol(lineData, idx);\n\n    return _this;\n  }\n\n  EffectLine.prototype.createLine = function (lineData, idx, seriesScope) {\n    return new Line(lineData, idx, seriesScope);\n  };\n\n  EffectLine.prototype._updateEffectSymbol = function (lineData, idx) {\n    var itemModel = lineData.getItemModel(idx);\n    var effectModel = itemModel.getModel('effect');\n    var size = effectModel.get('symbolSize');\n    var symbolType = effectModel.get('symbol');\n\n    if (!zrUtil.isArray(size)) {\n      size = [size, size];\n    }\n\n    var lineStyle = lineData.getItemVisual(idx, 'style');\n    var color = effectModel.get('color') || lineStyle && lineStyle.stroke;\n    var symbol = this.childAt(1);\n\n    if (this._symbolType !== symbolType) {\n      // Remove previous\n      this.remove(symbol);\n      symbol = createSymbol(symbolType, -0.5, -0.5, 1, 1, color);\n      symbol.z2 = 100;\n      symbol.culling = true;\n      this.add(symbol);\n    } // Symbol may be removed if loop is false\n\n\n    if (!symbol) {\n      return;\n    } // Shadow color is same with color in default\n\n\n    symbol.setStyle('shadowColor', color);\n    symbol.setStyle(effectModel.getItemStyle(['color']));\n    symbol.scaleX = size[0];\n    symbol.scaleY = size[1];\n    symbol.setColor(color);\n    this._symbolType = symbolType;\n    this._symbolScale = size;\n\n    this._updateEffectAnimation(lineData, effectModel, idx);\n  };\n\n  EffectLine.prototype._updateEffectAnimation = function (lineData, effectModel, idx) {\n    var symbol = this.childAt(1);\n\n    if (!symbol) {\n      return;\n    }\n\n    var self = this;\n    var points = lineData.getItemLayout(idx);\n    var period = effectModel.get('period') * 1000;\n    var loop = effectModel.get('loop');\n    var constantSpeed = effectModel.get('constantSpeed');\n    var delayExpr = zrUtil.retrieve(effectModel.get('delay'), function (idx) {\n      return idx / lineData.count() * period / 3;\n    }); // Ignore when updating\n\n    symbol.ignore = true;\n\n    this._updateAnimationPoints(symbol, points);\n\n    if (constantSpeed > 0) {\n      period = this._getLineLength(symbol) / constantSpeed * 1000;\n    }\n\n    if (period !== this._period || loop !== this._loop) {\n      symbol.stopAnimation();\n\n      if (period > 0) {\n        var delayNum = void 0;\n\n        if (typeof delayExpr === 'function') {\n          delayNum = delayExpr(idx);\n        } else {\n          delayNum = delayExpr;\n        }\n\n        if (symbol.__t > 0) {\n          delayNum = -period * symbol.__t;\n        }\n\n        symbol.__t = 0;\n        var animator = symbol.animate('', loop).when(period, {\n          __t: 1\n        }).delay(delayNum).during(function () {\n          self._updateSymbolPosition(symbol);\n        });\n\n        if (!loop) {\n          animator.done(function () {\n            self.remove(symbol);\n          });\n        }\n\n        animator.start();\n      }\n    }\n\n    this._period = period;\n    this._loop = loop;\n  };\n\n  EffectLine.prototype._getLineLength = function (symbol) {\n    // Not so accurate\n    return vec2.dist(symbol.__p1, symbol.__cp1) + vec2.dist(symbol.__cp1, symbol.__p2);\n  };\n\n  EffectLine.prototype._updateAnimationPoints = function (symbol, points) {\n    symbol.__p1 = points[0];\n    symbol.__p2 = points[1];\n    symbol.__cp1 = points[2] || [(points[0][0] + points[1][0]) / 2, (points[0][1] + points[1][1]) / 2];\n  };\n\n  EffectLine.prototype.updateData = function (lineData, idx, seriesScope) {\n    this.childAt(0).updateData(lineData, idx, seriesScope);\n\n    this._updateEffectSymbol(lineData, idx);\n  };\n\n  EffectLine.prototype._updateSymbolPosition = function (symbol) {\n    var p1 = symbol.__p1;\n    var p2 = symbol.__p2;\n    var cp1 = symbol.__cp1;\n    var t = symbol.__t;\n    var pos = [symbol.x, symbol.y];\n    var lastPos = pos.slice();\n    var quadraticAt = curveUtil.quadraticAt;\n    var quadraticDerivativeAt = curveUtil.quadraticDerivativeAt;\n    pos[0] = quadraticAt(p1[0], cp1[0], p2[0], t);\n    pos[1] = quadraticAt(p1[1], cp1[1], p2[1], t); // Tangent\n\n    var tx = quadraticDerivativeAt(p1[0], cp1[0], p2[0], t);\n    var ty = quadraticDerivativeAt(p1[1], cp1[1], p2[1], t);\n    symbol.rotation = -Math.atan2(ty, tx) - Math.PI / 2; // enable continuity trail for 'line', 'rect', 'roundRect' symbolType\n\n    if (this._symbolType === 'line' || this._symbolType === 'rect' || this._symbolType === 'roundRect') {\n      if (symbol.__lastT !== undefined && symbol.__lastT < symbol.__t) {\n        symbol.scaleY = vec2.dist(lastPos, pos) * 1.05; // make sure the last segment render within endPoint\n\n        if (t === 1) {\n          pos[0] = lastPos[0] + (pos[0] - lastPos[0]) / 2;\n          pos[1] = lastPos[1] + (pos[1] - lastPos[1]) / 2;\n        }\n      } else if (symbol.__lastT === 1) {\n        // After first loop, symbol.__t does NOT start with 0, so connect p1 to pos directly.\n        symbol.scaleY = 2 * vec2.dist(p1, pos);\n      } else {\n        symbol.scaleY = this._symbolScale[1];\n      }\n    }\n\n    symbol.__lastT = symbol.__t;\n    symbol.ignore = false;\n    symbol.x = pos[0];\n    symbol.y = pos[1];\n  };\n\n  EffectLine.prototype.updateLayout = function (lineData, idx) {\n    this.childAt(0).updateLayout(lineData, idx);\n    var effectModel = lineData.getItemModel(idx).getModel('effect');\n\n    this._updateEffectAnimation(lineData, effectModel, idx);\n  };\n\n  return EffectLine;\n}(graphic.Group);\n\nexport default EffectLine;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as graphic from '../../util/graphic';\nimport { enableHoverEmphasis } from '../../util/states';\n\nvar Polyline =\n/** @class */\nfunction (_super) {\n  __extends(Polyline, _super);\n\n  function Polyline(lineData, idx, seriesScope) {\n    var _this = _super.call(this) || this;\n\n    _this._createPolyline(lineData, idx, seriesScope);\n\n    return _this;\n  }\n\n  Polyline.prototype._createPolyline = function (lineData, idx, seriesScope) {\n    // let seriesModel = lineData.hostModel;\n    var points = lineData.getItemLayout(idx);\n    var line = new graphic.Polyline({\n      shape: {\n        points: points\n      }\n    });\n    this.add(line);\n\n    this._updateCommonStl(lineData, idx, seriesScope);\n  };\n\n  ;\n\n  Polyline.prototype.updateData = function (lineData, idx, seriesScope) {\n    var seriesModel = lineData.hostModel;\n    var line = this.childAt(0);\n    var target = {\n      shape: {\n        points: lineData.getItemLayout(idx)\n      }\n    };\n    graphic.updateProps(line, target, seriesModel, idx);\n\n    this._updateCommonStl(lineData, idx, seriesScope);\n  };\n\n  ;\n\n  Polyline.prototype._updateCommonStl = function (lineData, idx, seriesScope) {\n    var line = this.childAt(0);\n    var itemModel = lineData.getItemModel(idx);\n    var hoverLineStyle = seriesScope && seriesScope.emphasisLineStyle;\n\n    if (!seriesScope || lineData.hasItemOption) {\n      hoverLineStyle = itemModel.getModel(['emphasis', 'lineStyle']).getLineStyle();\n    }\n\n    line.useStyle(lineData.getItemVisual(idx, 'style'));\n    line.style.fill = null;\n    line.style.strokeNoScale = true;\n    var lineEmphasisState = line.ensureState('emphasis');\n    lineEmphasisState.style = hoverLineStyle;\n    enableHoverEmphasis(this);\n  };\n\n  ;\n\n  Polyline.prototype.updateLayout = function (lineData, idx) {\n    var polyline = this.childAt(0);\n    polyline.setShape('points', lineData.getItemLayout(idx));\n  };\n\n  ;\n  return Polyline;\n}(graphic.Group);\n\nexport default Polyline;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport Polyline from './Polyline';\nimport EffectLine from './EffectLine';\nimport * as vec2 from 'zrender/lib/core/vector';\n\nvar EffectPolyline =\n/** @class */\nfunction (_super) {\n  __extends(EffectPolyline, _super);\n\n  function EffectPolyline() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this._lastFrame = 0;\n    _this._lastFramePercent = 0;\n    return _this;\n  } // Override\n\n\n  EffectPolyline.prototype.createLine = function (lineData, idx, seriesScope) {\n    return new Polyline(lineData, idx, seriesScope);\n  };\n\n  ; // Override\n\n  EffectPolyline.prototype._updateAnimationPoints = function (symbol, points) {\n    this._points = points;\n    var accLenArr = [0];\n    var len = 0;\n\n    for (var i = 1; i < points.length; i++) {\n      var p1 = points[i - 1];\n      var p2 = points[i];\n      len += vec2.dist(p1, p2);\n      accLenArr.push(len);\n    }\n\n    if (len === 0) {\n      this._length = 0;\n      return;\n    }\n\n    for (var i = 0; i < accLenArr.length; i++) {\n      accLenArr[i] /= len;\n    }\n\n    this._offsets = accLenArr;\n    this._length = len;\n  };\n\n  ; // Override\n\n  EffectPolyline.prototype._getLineLength = function () {\n    return this._length;\n  };\n\n  ; // Override\n\n  EffectPolyline.prototype._updateSymbolPosition = function (symbol) {\n    var t = symbol.__t;\n    var points = this._points;\n    var offsets = this._offsets;\n    var len = points.length;\n\n    if (!offsets) {\n      // Has length 0\n      return;\n    }\n\n    var lastFrame = this._lastFrame;\n    var frame;\n\n    if (t < this._lastFramePercent) {\n      // Start from the next frame\n      // PENDING start from lastFrame ?\n      var start = Math.min(lastFrame + 1, len - 1);\n\n      for (frame = start; frame >= 0; frame--) {\n        if (offsets[frame] <= t) {\n          break;\n        }\n      } // PENDING really need to do this ?\n\n\n      frame = Math.min(frame, len - 2);\n    } else {\n      for (frame = lastFrame; frame < len; frame++) {\n        if (offsets[frame] > t) {\n          break;\n        }\n      }\n\n      frame = Math.min(frame - 1, len - 2);\n    }\n\n    var p = (t - offsets[frame]) / (offsets[frame + 1] - offsets[frame]);\n    var p0 = points[frame];\n    var p1 = points[frame + 1];\n    symbol.x = p0[0] * (1 - p) + p * p1[0];\n    symbol.y = p0[1] * (1 - p) + p * p1[1];\n    var tx = p1[0] - p0[0];\n    var ty = p1[1] - p0[1];\n    symbol.rotation = -Math.atan2(ty, tx) - Math.PI / 2;\n    this._lastFrame = frame;\n    this._lastFramePercent = t;\n    symbol.ignore = false;\n  };\n\n  ;\n  return EffectPolyline;\n}(EffectLine);\n\nexport default EffectPolyline;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\"; // TODO Batch by color\n\nimport * as graphic from '../../util/graphic';\nimport IncrementalDisplayable from 'zrender/lib/graphic/IncrementalDisplayable';\nimport * as lineContain from 'zrender/lib/contain/line';\nimport * as quadraticContain from 'zrender/lib/contain/quadratic';\nimport { getECData } from '../../util/innerStore';\n\nvar LargeLinesPathShape =\n/** @class */\nfunction () {\n  function LargeLinesPathShape() {\n    this.polyline = false;\n    this.curveness = 0;\n    this.segs = [];\n  }\n\n  return LargeLinesPathShape;\n}();\n\nvar LargeLinesPath =\n/** @class */\nfunction (_super) {\n  __extends(LargeLinesPath, _super);\n\n  function LargeLinesPath(opts) {\n    return _super.call(this, opts) || this;\n  }\n\n  LargeLinesPath.prototype.getDefaultStyle = function () {\n    return {\n      stroke: '#000',\n      fill: null\n    };\n  };\n\n  LargeLinesPath.prototype.getDefaultShape = function () {\n    return new LargeLinesPathShape();\n  };\n\n  LargeLinesPath.prototype.buildPath = function (ctx, shape) {\n    var segs = shape.segs;\n    var curveness = shape.curveness;\n\n    if (shape.polyline) {\n      for (var i = 0; i < segs.length;) {\n        var count = segs[i++];\n\n        if (count > 0) {\n          ctx.moveTo(segs[i++], segs[i++]);\n\n          for (var k = 1; k < count; k++) {\n            ctx.lineTo(segs[i++], segs[i++]);\n          }\n        }\n      }\n    } else {\n      for (var i = 0; i < segs.length;) {\n        var x0 = segs[i++];\n        var y0 = segs[i++];\n        var x1 = segs[i++];\n        var y1 = segs[i++];\n        ctx.moveTo(x0, y0);\n\n        if (curveness > 0) {\n          var x2 = (x0 + x1) / 2 - (y0 - y1) * curveness;\n          var y2 = (y0 + y1) / 2 - (x1 - x0) * curveness;\n          ctx.quadraticCurveTo(x2, y2, x1, y1);\n        } else {\n          ctx.lineTo(x1, y1);\n        }\n      }\n    }\n  };\n\n  LargeLinesPath.prototype.findDataIndex = function (x, y) {\n    var shape = this.shape;\n    var segs = shape.segs;\n    var curveness = shape.curveness;\n    var lineWidth = this.style.lineWidth;\n\n    if (shape.polyline) {\n      var dataIndex = 0;\n\n      for (var i = 0; i < segs.length;) {\n        var count = segs[i++];\n\n        if (count > 0) {\n          var x0 = segs[i++];\n          var y0 = segs[i++];\n\n          for (var k = 1; k < count; k++) {\n            var x1 = segs[i++];\n            var y1 = segs[i++];\n\n            if (lineContain.containStroke(x0, y0, x1, y1, lineWidth, x, y)) {\n              return dataIndex;\n            }\n          }\n        }\n\n        dataIndex++;\n      }\n    } else {\n      var dataIndex = 0;\n\n      for (var i = 0; i < segs.length;) {\n        var x0 = segs[i++];\n        var y0 = segs[i++];\n        var x1 = segs[i++];\n        var y1 = segs[i++];\n\n        if (curveness > 0) {\n          var x2 = (x0 + x1) / 2 - (y0 - y1) * curveness;\n          var y2 = (y0 + y1) / 2 - (x1 - x0) * curveness;\n\n          if (quadraticContain.containStroke(x0, y0, x2, y2, x1, y1, lineWidth, x, y)) {\n            return dataIndex;\n          }\n        } else {\n          if (lineContain.containStroke(x0, y0, x1, y1, lineWidth, x, y)) {\n            return dataIndex;\n          }\n        }\n\n        dataIndex++;\n      }\n    }\n\n    return -1;\n  };\n\n  return LargeLinesPath;\n}(graphic.Path);\n\nvar LargeLineDraw =\n/** @class */\nfunction () {\n  function LargeLineDraw() {\n    this.group = new graphic.Group();\n  }\n\n  LargeLineDraw.prototype.isPersistent = function () {\n    return !this._incremental;\n  };\n\n  ;\n  /**\n   * Update symbols draw by new data\n   */\n\n  LargeLineDraw.prototype.updateData = function (data) {\n    this.group.removeAll();\n    var lineEl = new LargeLinesPath({\n      rectHover: true,\n      cursor: 'default'\n    });\n    lineEl.setShape({\n      segs: data.getLayout('linesPoints')\n    });\n\n    this._setCommon(lineEl, data); // Add back\n\n\n    this.group.add(lineEl);\n    this._incremental = null;\n  };\n\n  ;\n  /**\n   * @override\n   */\n\n  LargeLineDraw.prototype.incrementalPrepareUpdate = function (data) {\n    this.group.removeAll();\n\n    this._clearIncremental();\n\n    if (data.count() > 5e5) {\n      if (!this._incremental) {\n        this._incremental = new IncrementalDisplayable({\n          silent: true\n        });\n      }\n\n      this.group.add(this._incremental);\n    } else {\n      this._incremental = null;\n    }\n  };\n\n  ;\n  /**\n   * @override\n   */\n\n  LargeLineDraw.prototype.incrementalUpdate = function (taskParams, data) {\n    var lineEl = new LargeLinesPath();\n    lineEl.setShape({\n      segs: data.getLayout('linesPoints')\n    });\n\n    this._setCommon(lineEl, data, !!this._incremental);\n\n    if (!this._incremental) {\n      lineEl.rectHover = true;\n      lineEl.cursor = 'default';\n      lineEl.__startIndex = taskParams.start;\n      this.group.add(lineEl);\n    } else {\n      this._incremental.addDisplayable(lineEl, true);\n    }\n  };\n\n  ;\n  /**\n   * @override\n   */\n\n  LargeLineDraw.prototype.remove = function () {\n    this._clearIncremental();\n\n    this._incremental = null;\n    this.group.removeAll();\n  };\n\n  ;\n\n  LargeLineDraw.prototype._setCommon = function (lineEl, data, isIncremental) {\n    var hostModel = data.hostModel;\n    lineEl.setShape({\n      polyline: hostModel.get('polyline'),\n      curveness: hostModel.get(['lineStyle', 'curveness'])\n    });\n    lineEl.useStyle(hostModel.getModel('lineStyle').getLineStyle());\n    lineEl.style.strokeNoScale = true;\n    var style = data.getVisual('style');\n\n    if (style && style.stroke) {\n      lineEl.setStyle('stroke', style.stroke);\n    }\n\n    lineEl.setStyle('fill', null);\n\n    if (!isIncremental) {\n      var ecData_1 = getECData(lineEl); // Enable tooltip\n      // PENDING May have performance issue when path is extremely large\n\n      ecData_1.seriesIndex = hostModel.seriesIndex;\n      lineEl.on('mousemove', function (e) {\n        ecData_1.dataIndex = null;\n        var dataIndex = lineEl.findDataIndex(e.offsetX, e.offsetY);\n\n        if (dataIndex > 0) {\n          // Provide dataIndex for tooltip\n          ecData_1.dataIndex = dataIndex + lineEl.__startIndex;\n        }\n      });\n    }\n  };\n\n  ;\n\n  LargeLineDraw.prototype._clearIncremental = function () {\n    var incremental = this._incremental;\n\n    if (incremental) {\n      incremental.clearDisplaybles();\n    }\n  };\n\n  ;\n  return LargeLineDraw;\n}();\n\nexport default LargeLineDraw;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/* global Float32Array */\nimport createRenderPlanner from '../helper/createRenderPlanner';\nvar linesLayout = {\n  seriesType: 'lines',\n  plan: createRenderPlanner(),\n  reset: function (seriesModel) {\n    var coordSys = seriesModel.coordinateSystem;\n    var isPolyline = seriesModel.get('polyline');\n    var isLarge = seriesModel.pipelineContext.large;\n    return {\n      progress: function (params, lineData) {\n        var lineCoords = [];\n\n        if (isLarge) {\n          var points = void 0;\n          var segCount = params.end - params.start;\n\n          if (isPolyline) {\n            var totalCoordsCount = 0;\n\n            for (var i = params.start; i < params.end; i++) {\n              totalCoordsCount += seriesModel.getLineCoordsCount(i);\n            }\n\n            points = new Float32Array(segCount + totalCoordsCount * 2);\n          } else {\n            points = new Float32Array(segCount * 4);\n          }\n\n          var offset = 0;\n          var pt = [];\n\n          for (var i = params.start; i < params.end; i++) {\n            var len = seriesModel.getLineCoords(i, lineCoords);\n\n            if (isPolyline) {\n              points[offset++] = len;\n            }\n\n            for (var k = 0; k < len; k++) {\n              pt = coordSys.dataToPoint(lineCoords[k], false, pt);\n              points[offset++] = pt[0];\n              points[offset++] = pt[1];\n            }\n          }\n\n          lineData.setLayout('linesPoints', points);\n        } else {\n          for (var i = params.start; i < params.end; i++) {\n            var itemModel = lineData.getItemModel(i);\n            var len = seriesModel.getLineCoords(i, lineCoords);\n            var pts = [];\n\n            if (isPolyline) {\n              for (var j = 0; j < len; j++) {\n                pts.push(coordSys.dataToPoint(lineCoords[j]));\n              }\n            } else {\n              pts[0] = coordSys.dataToPoint(lineCoords[0]);\n              pts[1] = coordSys.dataToPoint(lineCoords[1]);\n              var curveness = itemModel.get(['lineStyle', 'curveness']);\n\n              if (+curveness) {\n                pts[2] = [(pts[0][0] + pts[1][0]) / 2 - (pts[0][1] - pts[1][1]) * curveness, (pts[0][1] + pts[1][1]) / 2 - (pts[1][0] - pts[0][0]) * curveness];\n              }\n            }\n\n            lineData.setItemLayout(i, pts);\n          }\n        }\n      }\n    };\n  }\n};\nexport default linesLayout;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport LineDraw from '../helper/LineDraw';\nimport EffectLine from '../helper/EffectLine';\nimport Line from '../helper/Line';\nimport Polyline from '../helper/Polyline';\nimport EffectPolyline from '../helper/EffectPolyline';\nimport LargeLineDraw from '../helper/LargeLineDraw';\nimport linesLayout from './linesLayout';\nimport { createClipPath } from '../helper/createClipPathFromCoordSys';\nimport ChartView from '../../view/Chart';\n\nvar LinesView =\n/** @class */\nfunction (_super) {\n  __extends(LinesView, _super);\n\n  function LinesView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = LinesView.type;\n    return _this;\n  }\n\n  LinesView.prototype.render = function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n\n    var lineDraw = this._updateLineDraw(data, seriesModel);\n\n    var zlevel = seriesModel.get('zlevel');\n    var trailLength = seriesModel.get(['effect', 'trailLength']);\n    var zr = api.getZr(); // Avoid the drag cause ghost shadow\n    // FIXME Better way ?\n    // SVG doesn't support\n\n    var isSvg = zr.painter.getType() === 'svg';\n\n    if (!isSvg) {\n      zr.painter.getLayer(zlevel).clear(true);\n    } // Config layer with motion blur\n\n\n    if (this._lastZlevel != null && !isSvg) {\n      zr.configLayer(this._lastZlevel, {\n        motionBlur: false\n      });\n    }\n\n    if (this._showEffect(seriesModel) && trailLength) {\n      if (process.env.NODE_ENV !== 'production') {\n        var notInIndividual_1 = false;\n        ecModel.eachSeries(function (otherSeriesModel) {\n          if (otherSeriesModel !== seriesModel && otherSeriesModel.get('zlevel') === zlevel) {\n            notInIndividual_1 = true;\n          }\n        });\n        notInIndividual_1 && console.warn('Lines with trail effect should have an individual zlevel');\n      }\n\n      if (!isSvg) {\n        zr.configLayer(zlevel, {\n          motionBlur: true,\n          lastFrameAlpha: Math.max(Math.min(trailLength / 10 + 0.9, 1), 0)\n        });\n      }\n    }\n\n    lineDraw.updateData(data);\n    var clipPath = seriesModel.get('clip', true) && createClipPath(seriesModel.coordinateSystem, false, seriesModel);\n\n    if (clipPath) {\n      this.group.setClipPath(clipPath);\n    } else {\n      this.group.removeClipPath();\n    }\n\n    this._lastZlevel = zlevel;\n    this._finished = true;\n  };\n\n  LinesView.prototype.incrementalPrepareRender = function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n\n    var lineDraw = this._updateLineDraw(data, seriesModel);\n\n    lineDraw.incrementalPrepareUpdate(data);\n\n    this._clearLayer(api);\n\n    this._finished = false;\n  };\n\n  LinesView.prototype.incrementalRender = function (taskParams, seriesModel, ecModel) {\n    this._lineDraw.incrementalUpdate(taskParams, seriesModel.getData());\n\n    this._finished = taskParams.end === seriesModel.getData().count();\n  };\n\n  LinesView.prototype.updateTransform = function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n    var pipelineContext = seriesModel.pipelineContext;\n\n    if (!this._finished || pipelineContext.large || pipelineContext.progressiveRender) {\n      // TODO Don't have to do update in large mode. Only do it when there are millions of data.\n      return {\n        update: true\n      };\n    } else {\n      // TODO Use same logic with ScatterView.\n      // Manually update layout\n      var res = linesLayout.reset(seriesModel, ecModel, api);\n\n      if (res.progress) {\n        res.progress({\n          start: 0,\n          end: data.count(),\n          count: data.count()\n        }, data);\n      } // Not in large mode\n\n\n      this._lineDraw.updateLayout();\n\n      this._clearLayer(api);\n    }\n  };\n\n  LinesView.prototype._updateLineDraw = function (data, seriesModel) {\n    var lineDraw = this._lineDraw;\n\n    var hasEffect = this._showEffect(seriesModel);\n\n    var isPolyline = !!seriesModel.get('polyline');\n    var pipelineContext = seriesModel.pipelineContext;\n    var isLargeDraw = pipelineContext.large;\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (hasEffect && isLargeDraw) {\n        console.warn('Large lines not support effect');\n      }\n    }\n\n    if (!lineDraw || hasEffect !== this._hasEffet || isPolyline !== this._isPolyline || isLargeDraw !== this._isLargeDraw) {\n      if (lineDraw) {\n        lineDraw.remove();\n      }\n\n      lineDraw = this._lineDraw = isLargeDraw ? new LargeLineDraw() : new LineDraw(isPolyline ? hasEffect ? EffectPolyline : Polyline : hasEffect ? EffectLine : Line);\n      this._hasEffet = hasEffect;\n      this._isPolyline = isPolyline;\n      this._isLargeDraw = isLargeDraw;\n      this.group.removeAll();\n    }\n\n    this.group.add(lineDraw.group);\n    return lineDraw;\n  };\n\n  LinesView.prototype._showEffect = function (seriesModel) {\n    return !!seriesModel.get(['effect', 'show']);\n  };\n\n  LinesView.prototype._clearLayer = function (api) {\n    // Not use motion when dragging or zooming\n    var zr = api.getZr();\n    var isSvg = zr.painter.getType() === 'svg';\n\n    if (!isSvg && this._lastZlevel != null) {\n      zr.painter.getLayer(this._lastZlevel).clear(true);\n    }\n  };\n\n  LinesView.prototype.remove = function (ecModel, api) {\n    this._lineDraw && this._lineDraw.remove();\n    this._lineDraw = null; // Clear motion when lineDraw is removed\n\n    this._clearLayer(api);\n  };\n\n  LinesView.type = 'lines';\n  return LinesView;\n}(ChartView);\n\nexport default LinesView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\n/* global Uint32Array, Float64Array, Float32Array */\n\nimport SeriesModel from '../../model/Series';\nimport List from '../../data/List';\nimport { concatArray, mergeAll, map } from 'zrender/lib/core/util';\nimport CoordinateSystem from '../../core/CoordinateSystem';\nimport { createTooltipMarkup } from '../../component/tooltip/tooltipMarkup';\nvar Uint32Arr = typeof Uint32Array === 'undefined' ? Array : Uint32Array;\nvar Float64Arr = typeof Float64Array === 'undefined' ? Array : Float64Array;\n\nfunction compatEc2(seriesOpt) {\n  var data = seriesOpt.data;\n\n  if (data && data[0] && data[0][0] && data[0][0].coord) {\n    if (process.env.NODE_ENV !== 'production') {\n      console.warn('Lines data configuration has been changed to' + ' { coords:[[1,2],[2,3]] }');\n    }\n\n    seriesOpt.data = map(data, function (itemOpt) {\n      var coords = [itemOpt[0].coord, itemOpt[1].coord];\n      var target = {\n        coords: coords\n      };\n\n      if (itemOpt[0].name) {\n        target.fromName = itemOpt[0].name;\n      }\n\n      if (itemOpt[1].name) {\n        target.toName = itemOpt[1].name;\n      }\n\n      return mergeAll([target, itemOpt[0], itemOpt[1]]);\n    });\n  }\n}\n\nvar LinesSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(LinesSeriesModel, _super);\n\n  function LinesSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = LinesSeriesModel.type;\n    _this.visualStyleAccessPath = 'lineStyle';\n    _this.visualDrawType = 'stroke';\n    return _this;\n  }\n\n  LinesSeriesModel.prototype.init = function (option) {\n    // The input data may be null/undefined.\n    option.data = option.data || []; // Not using preprocessor because mergeOption may not have series.type\n\n    compatEc2(option);\n\n    var result = this._processFlatCoordsArray(option.data);\n\n    this._flatCoords = result.flatCoords;\n    this._flatCoordsOffset = result.flatCoordsOffset;\n\n    if (result.flatCoords) {\n      option.data = new Float32Array(result.count);\n    }\n\n    _super.prototype.init.apply(this, arguments);\n  };\n\n  LinesSeriesModel.prototype.mergeOption = function (option) {\n    compatEc2(option);\n\n    if (option.data) {\n      // Only update when have option data to merge.\n      var result = this._processFlatCoordsArray(option.data);\n\n      this._flatCoords = result.flatCoords;\n      this._flatCoordsOffset = result.flatCoordsOffset;\n\n      if (result.flatCoords) {\n        option.data = new Float32Array(result.count);\n      }\n    }\n\n    _super.prototype.mergeOption.apply(this, arguments);\n  };\n\n  LinesSeriesModel.prototype.appendData = function (params) {\n    var result = this._processFlatCoordsArray(params.data);\n\n    if (result.flatCoords) {\n      if (!this._flatCoords) {\n        this._flatCoords = result.flatCoords;\n        this._flatCoordsOffset = result.flatCoordsOffset;\n      } else {\n        this._flatCoords = concatArray(this._flatCoords, result.flatCoords);\n        this._flatCoordsOffset = concatArray(this._flatCoordsOffset, result.flatCoordsOffset);\n      }\n\n      params.data = new Float32Array(result.count);\n    }\n\n    this.getRawData().appendData(params.data);\n  };\n\n  LinesSeriesModel.prototype._getCoordsFromItemModel = function (idx) {\n    var itemModel = this.getData().getItemModel(idx);\n    var coords = itemModel.option instanceof Array ? itemModel.option : itemModel.getShallow('coords');\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (!(coords instanceof Array && coords.length > 0 && coords[0] instanceof Array)) {\n        throw new Error('Invalid coords ' + JSON.stringify(coords) + '. Lines must have 2d coords array in data item.');\n      }\n    }\n\n    return coords;\n  };\n\n  LinesSeriesModel.prototype.getLineCoordsCount = function (idx) {\n    if (this._flatCoordsOffset) {\n      return this._flatCoordsOffset[idx * 2 + 1];\n    } else {\n      return this._getCoordsFromItemModel(idx).length;\n    }\n  };\n\n  LinesSeriesModel.prototype.getLineCoords = function (idx, out) {\n    if (this._flatCoordsOffset) {\n      var offset = this._flatCoordsOffset[idx * 2];\n      var len = this._flatCoordsOffset[idx * 2 + 1];\n\n      for (var i = 0; i < len; i++) {\n        out[i] = out[i] || [];\n        out[i][0] = this._flatCoords[offset + i * 2];\n        out[i][1] = this._flatCoords[offset + i * 2 + 1];\n      }\n\n      return len;\n    } else {\n      var coords = this._getCoordsFromItemModel(idx);\n\n      for (var i = 0; i < coords.length; i++) {\n        out[i] = out[i] || [];\n        out[i][0] = coords[i][0];\n        out[i][1] = coords[i][1];\n      }\n\n      return coords.length;\n    }\n  };\n\n  LinesSeriesModel.prototype._processFlatCoordsArray = function (data) {\n    var startOffset = 0;\n\n    if (this._flatCoords) {\n      startOffset = this._flatCoords.length;\n    } // Stored as a typed array. In format\n    // Points Count(2) | x | y | x | y | Points Count(3) | x |  y | x | y | x | y |\n\n\n    if (typeof data[0] === 'number') {\n      var len = data.length; // Store offset and len of each segment\n\n      var coordsOffsetAndLenStorage = new Uint32Arr(len);\n      var coordsStorage = new Float64Arr(len);\n      var coordsCursor = 0;\n      var offsetCursor = 0;\n      var dataCount = 0;\n\n      for (var i = 0; i < len;) {\n        dataCount++;\n        var count = data[i++]; // Offset\n\n        coordsOffsetAndLenStorage[offsetCursor++] = coordsCursor + startOffset; // Len\n\n        coordsOffsetAndLenStorage[offsetCursor++] = count;\n\n        for (var k = 0; k < count; k++) {\n          var x = data[i++];\n          var y = data[i++];\n          coordsStorage[coordsCursor++] = x;\n          coordsStorage[coordsCursor++] = y;\n\n          if (i > len) {\n            if (process.env.NODE_ENV !== 'production') {\n              throw new Error('Invalid data format.');\n            }\n          }\n        }\n      }\n\n      return {\n        flatCoordsOffset: new Uint32Array(coordsOffsetAndLenStorage.buffer, 0, offsetCursor),\n        flatCoords: coordsStorage,\n        count: dataCount\n      };\n    }\n\n    return {\n      flatCoordsOffset: null,\n      flatCoords: null,\n      count: data.length\n    };\n  };\n\n  LinesSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    if (process.env.NODE_ENV !== 'production') {\n      var CoordSys = CoordinateSystem.get(option.coordinateSystem);\n\n      if (!CoordSys) {\n        throw new Error('Unkown coordinate system ' + option.coordinateSystem);\n      }\n    }\n\n    var lineData = new List(['value'], this);\n    lineData.hasItemOption = false;\n    lineData.initData(option.data, [], function (dataItem, dimName, dataIndex, dimIndex) {\n      // dataItem is simply coords\n      if (dataItem instanceof Array) {\n        return NaN;\n      } else {\n        lineData.hasItemOption = true;\n        var value = dataItem.value;\n\n        if (value != null) {\n          return value instanceof Array ? value[dimIndex] : value;\n        }\n      }\n    });\n    return lineData;\n  };\n\n  LinesSeriesModel.prototype.formatTooltip = function (dataIndex, multipleSeries, dataType) {\n    var data = this.getData();\n    var itemModel = data.getItemModel(dataIndex);\n    var name = itemModel.get('name');\n\n    if (name) {\n      return name;\n    }\n\n    var fromName = itemModel.get('fromName');\n    var toName = itemModel.get('toName');\n    var nameArr = [];\n    fromName != null && nameArr.push(fromName);\n    toName != null && nameArr.push(toName);\n    return createTooltipMarkup('nameValue', {\n      name: nameArr.join(' > ')\n    });\n  };\n\n  LinesSeriesModel.prototype.preventIncremental = function () {\n    return !!this.get(['effect', 'show']);\n  };\n\n  LinesSeriesModel.prototype.getProgressive = function () {\n    var progressive = this.option.progressive;\n\n    if (progressive == null) {\n      return this.option.large ? 1e4 : this.get('progressive');\n    }\n\n    return progressive;\n  };\n\n  LinesSeriesModel.prototype.getProgressiveThreshold = function () {\n    var progressiveThreshold = this.option.progressiveThreshold;\n\n    if (progressiveThreshold == null) {\n      return this.option.large ? 2e4 : this.get('progressiveThreshold');\n    }\n\n    return progressiveThreshold;\n  };\n\n  LinesSeriesModel.type = 'series.lines';\n  LinesSeriesModel.dependencies = ['grid', 'polar', 'geo', 'calendar'];\n  LinesSeriesModel.defaultOption = {\n    coordinateSystem: 'geo',\n    zlevel: 0,\n    z: 2,\n    legendHoverLink: true,\n    // Cartesian coordinate system\n    xAxisIndex: 0,\n    yAxisIndex: 0,\n    symbol: ['none', 'none'],\n    symbolSize: [10, 10],\n    // Geo coordinate system\n    geoIndex: 0,\n    effect: {\n      show: false,\n      period: 4,\n      constantSpeed: 0,\n      symbol: 'circle',\n      symbolSize: 3,\n      loop: true,\n      trailLength: 0.2\n    },\n    large: false,\n    // Available when large is true\n    largeThreshold: 2000,\n    polyline: false,\n    clip: true,\n    label: {\n      show: false,\n      position: 'end' // distance: 5,\n      // formatter: 标签文本格式器，同Tooltip.formatter，不支持异步回调\n\n    },\n    lineStyle: {\n      opacity: 0.5\n    }\n  };\n  return LinesSeriesModel;\n}(SeriesModel);\n\nexport default LinesSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nfunction normalize(a) {\n  if (!(a instanceof Array)) {\n    a = [a, a];\n  }\n\n  return a;\n}\n\nvar linesVisual = {\n  seriesType: 'lines',\n  reset: function (seriesModel) {\n    var symbolType = normalize(seriesModel.get('symbol'));\n    var symbolSize = normalize(seriesModel.get('symbolSize'));\n    var data = seriesModel.getData();\n    data.setVisual('fromSymbol', symbolType && symbolType[0]);\n    data.setVisual('toSymbol', symbolType && symbolType[1]);\n    data.setVisual('fromSymbolSize', symbolSize && symbolSize[0]);\n    data.setVisual('toSymbolSize', symbolSize && symbolSize[1]);\n\n    function dataEach(data, idx) {\n      var itemModel = data.getItemModel(idx);\n      var symbolType = normalize(itemModel.getShallow('symbol', true));\n      var symbolSize = normalize(itemModel.getShallow('symbolSize', true));\n      symbolType[0] && data.setItemVisual(idx, 'fromSymbol', symbolType[0]);\n      symbolType[1] && data.setItemVisual(idx, 'toSymbol', symbolType[1]);\n      symbolSize[0] && data.setItemVisual(idx, 'fromSymbolSize', symbolSize[0]);\n      symbolSize[1] && data.setItemVisual(idx, 'toSymbolSize', symbolSize[1]);\n    }\n\n    return {\n      dataEach: data.hasItemOption ? dataEach : null\n    };\n  }\n};\nexport default linesVisual;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/* global Uint8ClampedArray */\nimport * as zrUtil from 'zrender/lib/core/util';\nvar GRADIENT_LEVELS = 256;\n\nvar HeatmapLayer =\n/** @class */\nfunction () {\n  function HeatmapLayer() {\n    this.blurSize = 30;\n    this.pointSize = 20;\n    this.maxOpacity = 1;\n    this.minOpacity = 0;\n    this._gradientPixels = {\n      inRange: null,\n      outOfRange: null\n    };\n    var canvas = zrUtil.createCanvas();\n    this.canvas = canvas;\n  }\n  /**\n   * Renders Heatmap and returns the rendered canvas\n   * @param data array of data, each has x, y, value\n   * @param width canvas width\n   * @param height canvas height\n   */\n\n\n  HeatmapLayer.prototype.update = function (data, width, height, normalize, colorFunc, isInRange) {\n    var brush = this._getBrush();\n\n    var gradientInRange = this._getGradient(colorFunc, 'inRange');\n\n    var gradientOutOfRange = this._getGradient(colorFunc, 'outOfRange');\n\n    var r = this.pointSize + this.blurSize;\n    var canvas = this.canvas;\n    var ctx = canvas.getContext('2d');\n    var len = data.length;\n    canvas.width = width;\n    canvas.height = height;\n\n    for (var i = 0; i < len; ++i) {\n      var p = data[i];\n      var x = p[0];\n      var y = p[1];\n      var value = p[2]; // calculate alpha using value\n\n      var alpha = normalize(value); // draw with the circle brush with alpha\n\n      ctx.globalAlpha = alpha;\n      ctx.drawImage(brush, x - r, y - r);\n    }\n\n    if (!canvas.width || !canvas.height) {\n      // Avoid \"Uncaught DOMException: Failed to execute 'getImageData' on\n      // 'CanvasRenderingContext2D': The source height is 0.\"\n      return canvas;\n    } // colorize the canvas using alpha value and set with gradient\n\n\n    var imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);\n    var pixels = imageData.data;\n    var offset = 0;\n    var pixelLen = pixels.length;\n    var minOpacity = this.minOpacity;\n    var maxOpacity = this.maxOpacity;\n    var diffOpacity = maxOpacity - minOpacity;\n\n    while (offset < pixelLen) {\n      var alpha = pixels[offset + 3] / 256;\n      var gradientOffset = Math.floor(alpha * (GRADIENT_LEVELS - 1)) * 4; // Simple optimize to ignore the empty data\n\n      if (alpha > 0) {\n        var gradient = isInRange(alpha) ? gradientInRange : gradientOutOfRange; // Any alpha > 0 will be mapped to [minOpacity, maxOpacity]\n\n        alpha > 0 && (alpha = alpha * diffOpacity + minOpacity);\n        pixels[offset++] = gradient[gradientOffset];\n        pixels[offset++] = gradient[gradientOffset + 1];\n        pixels[offset++] = gradient[gradientOffset + 2];\n        pixels[offset++] = gradient[gradientOffset + 3] * alpha * 256;\n      } else {\n        offset += 4;\n      }\n    }\n\n    ctx.putImageData(imageData, 0, 0);\n    return canvas;\n  };\n  /**\n   * get canvas of a black circle brush used for canvas to draw later\n   */\n\n\n  HeatmapLayer.prototype._getBrush = function () {\n    var brushCanvas = this._brushCanvas || (this._brushCanvas = zrUtil.createCanvas()); // set brush size\n\n    var r = this.pointSize + this.blurSize;\n    var d = r * 2;\n    brushCanvas.width = d;\n    brushCanvas.height = d;\n    var ctx = brushCanvas.getContext('2d');\n    ctx.clearRect(0, 0, d, d); // in order to render shadow without the distinct circle,\n    // draw the distinct circle in an invisible place,\n    // and use shadowOffset to draw shadow in the center of the canvas\n\n    ctx.shadowOffsetX = d;\n    ctx.shadowBlur = this.blurSize; // draw the shadow in black, and use alpha and shadow blur to generate\n    // color in color map\n\n    ctx.shadowColor = '#000'; // draw circle in the left to the canvas\n\n    ctx.beginPath();\n    ctx.arc(-r, r, this.pointSize, 0, Math.PI * 2, true);\n    ctx.closePath();\n    ctx.fill();\n    return brushCanvas;\n  };\n  /**\n   * get gradient color map\n   * @private\n   */\n\n\n  HeatmapLayer.prototype._getGradient = function (colorFunc, state) {\n    var gradientPixels = this._gradientPixels;\n    var pixelsSingleState = gradientPixels[state] || (gradientPixels[state] = new Uint8ClampedArray(256 * 4));\n    var color = [0, 0, 0, 0];\n    var off = 0;\n\n    for (var i = 0; i < 256; i++) {\n      colorFunc[state](i / 255, true, color);\n      pixelsSingleState[off++] = color[0];\n      pixelsSingleState[off++] = color[1];\n      pixelsSingleState[off++] = color[2];\n      pixelsSingleState[off++] = color[3];\n    }\n\n    return pixelsSingleState;\n  };\n\n  return HeatmapLayer;\n}();\n\nexport default HeatmapLayer;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as graphic from '../../util/graphic';\nimport { enableHoverEmphasis } from '../../util/states';\nimport HeatmapLayer from './HeatmapLayer';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport ChartView from '../../view/Chart';\nimport { isCoordinateSystemType } from '../../coord/CoordinateSystem';\nimport { setLabelStyle, getLabelStatesModels } from '../../label/labelStyle';\n\nfunction getIsInPiecewiseRange(dataExtent, pieceList, selected) {\n  var dataSpan = dataExtent[1] - dataExtent[0];\n  pieceList = zrUtil.map(pieceList, function (piece) {\n    return {\n      interval: [(piece.interval[0] - dataExtent[0]) / dataSpan, (piece.interval[1] - dataExtent[0]) / dataSpan]\n    };\n  });\n  var len = pieceList.length;\n  var lastIndex = 0;\n  return function (val) {\n    var i; // Try to find in the location of the last found\n\n    for (i = lastIndex; i < len; i++) {\n      var interval = pieceList[i].interval;\n\n      if (interval[0] <= val && val <= interval[1]) {\n        lastIndex = i;\n        break;\n      }\n    }\n\n    if (i === len) {\n      // Not found, back interation\n      for (i = lastIndex - 1; i >= 0; i--) {\n        var interval = pieceList[i].interval;\n\n        if (interval[0] <= val && val <= interval[1]) {\n          lastIndex = i;\n          break;\n        }\n      }\n    }\n\n    return i >= 0 && i < len && selected[i];\n  };\n}\n\nfunction getIsInContinuousRange(dataExtent, range) {\n  var dataSpan = dataExtent[1] - dataExtent[0];\n  range = [(range[0] - dataExtent[0]) / dataSpan, (range[1] - dataExtent[0]) / dataSpan];\n  return function (val) {\n    return val >= range[0] && val <= range[1];\n  };\n}\n\nfunction isGeoCoordSys(coordSys) {\n  var dimensions = coordSys.dimensions; // Not use coorSys.type === 'geo' because coordSys maybe extended\n\n  return dimensions[0] === 'lng' && dimensions[1] === 'lat';\n}\n\nvar HeatmapView =\n/** @class */\nfunction (_super) {\n  __extends(HeatmapView, _super);\n\n  function HeatmapView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = HeatmapView.type;\n    return _this;\n  }\n\n  HeatmapView.prototype.render = function (seriesModel, ecModel, api) {\n    var visualMapOfThisSeries;\n    ecModel.eachComponent('visualMap', function (visualMap) {\n      visualMap.eachTargetSeries(function (targetSeries) {\n        if (targetSeries === seriesModel) {\n          visualMapOfThisSeries = visualMap;\n        }\n      });\n    });\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (!visualMapOfThisSeries) {\n        throw new Error('Heatmap must use with visualMap');\n      }\n    }\n\n    this.group.removeAll();\n    this._incrementalDisplayable = null;\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys.type === 'cartesian2d' || coordSys.type === 'calendar') {\n      this._renderOnCartesianAndCalendar(seriesModel, api, 0, seriesModel.getData().count());\n    } else if (isGeoCoordSys(coordSys)) {\n      this._renderOnGeo(coordSys, seriesModel, visualMapOfThisSeries, api);\n    }\n  };\n\n  HeatmapView.prototype.incrementalPrepareRender = function (seriesModel, ecModel, api) {\n    this.group.removeAll();\n  };\n\n  HeatmapView.prototype.incrementalRender = function (params, seriesModel, ecModel, api) {\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys) {\n      // geo does not support incremental rendering?\n      if (isGeoCoordSys(coordSys)) {\n        this.render(seriesModel, ecModel, api);\n      } else {\n        this._renderOnCartesianAndCalendar(seriesModel, api, params.start, params.end, true);\n      }\n    }\n  };\n\n  HeatmapView.prototype._renderOnCartesianAndCalendar = function (seriesModel, api, start, end, incremental) {\n    var coordSys = seriesModel.coordinateSystem;\n    var width;\n    var height;\n    var xAxisExtent;\n    var yAxisExtent;\n\n    if (isCoordinateSystemType(coordSys, 'cartesian2d')) {\n      var xAxis = coordSys.getAxis('x');\n      var yAxis = coordSys.getAxis('y');\n\n      if (process.env.NODE_ENV !== 'production') {\n        if (!(xAxis.type === 'category' && yAxis.type === 'category')) {\n          throw new Error('Heatmap on cartesian must have two category axes');\n        }\n\n        if (!(xAxis.onBand && yAxis.onBand)) {\n          throw new Error('Heatmap on cartesian must have two axes with boundaryGap true');\n        }\n      }\n\n      width = xAxis.getBandWidth();\n      height = yAxis.getBandWidth();\n      xAxisExtent = xAxis.scale.getExtent();\n      yAxisExtent = yAxis.scale.getExtent();\n    }\n\n    var group = this.group;\n    var data = seriesModel.getData();\n    var emphasisStyle = seriesModel.getModel(['emphasis', 'itemStyle']).getItemStyle();\n    var blurStyle = seriesModel.getModel(['blur', 'itemStyle']).getItemStyle();\n    var selectStyle = seriesModel.getModel(['select', 'itemStyle']).getItemStyle();\n    var labelStatesModels = getLabelStatesModels(seriesModel);\n    var focus = seriesModel.get(['emphasis', 'focus']);\n    var blurScope = seriesModel.get(['emphasis', 'blurScope']);\n    var dataDims = isCoordinateSystemType(coordSys, 'cartesian2d') ? [data.mapDimension('x'), data.mapDimension('y'), data.mapDimension('value')] : [data.mapDimension('time'), data.mapDimension('value')];\n\n    for (var idx = start; idx < end; idx++) {\n      var rect = void 0;\n      var style = data.getItemVisual(idx, 'style');\n\n      if (isCoordinateSystemType(coordSys, 'cartesian2d')) {\n        var dataDimX = data.get(dataDims[0], idx);\n        var dataDimY = data.get(dataDims[1], idx); // Ignore empty data and out of extent data\n\n        if (isNaN(data.get(dataDims[2], idx)) || dataDimX < xAxisExtent[0] || dataDimX > xAxisExtent[1] || dataDimY < yAxisExtent[0] || dataDimY > yAxisExtent[1]) {\n          continue;\n        }\n\n        var point = coordSys.dataToPoint([dataDimX, dataDimY]);\n        rect = new graphic.Rect({\n          shape: {\n            x: Math.floor(Math.round(point[0]) - width / 2),\n            y: Math.floor(Math.round(point[1]) - height / 2),\n            width: Math.ceil(width),\n            height: Math.ceil(height)\n          },\n          style: style\n        });\n      } else {\n        // Ignore empty data\n        if (isNaN(data.get(dataDims[1], idx))) {\n          continue;\n        }\n\n        rect = new graphic.Rect({\n          z2: 1,\n          shape: coordSys.dataToRect([data.get(dataDims[0], idx)]).contentShape,\n          style: style\n        });\n      }\n\n      var itemModel = data.getItemModel(idx); // Optimization for large datset\n\n      if (data.hasItemOption) {\n        var emphasisModel = itemModel.getModel('emphasis');\n        emphasisStyle = emphasisModel.getModel('itemStyle').getItemStyle();\n        blurStyle = itemModel.getModel(['blur', 'itemStyle']).getItemStyle();\n        selectStyle = itemModel.getModel(['select', 'itemStyle']).getItemStyle();\n        focus = emphasisModel.get('focus');\n        blurScope = emphasisModel.get('blurScope');\n        labelStatesModels = getLabelStatesModels(itemModel);\n      }\n\n      var rawValue = seriesModel.getRawValue(idx);\n      var defaultText = '-';\n\n      if (rawValue && rawValue[2] != null) {\n        defaultText = rawValue[2] + '';\n      }\n\n      setLabelStyle(rect, labelStatesModels, {\n        labelFetcher: seriesModel,\n        labelDataIndex: idx,\n        defaultOpacity: style.opacity,\n        defaultText: defaultText\n      });\n      rect.ensureState('emphasis').style = emphasisStyle;\n      rect.ensureState('blur').style = blurStyle;\n      rect.ensureState('select').style = selectStyle;\n      enableHoverEmphasis(rect, focus, blurScope);\n      rect.incremental = incremental; // PENDING\n\n      if (incremental) {\n        // Rect must use hover layer if it's incremental.\n        rect.states.emphasis.hoverLayer = true;\n      }\n\n      group.add(rect);\n      data.setItemGraphicEl(idx, rect);\n    }\n  };\n\n  HeatmapView.prototype._renderOnGeo = function (geo, seriesModel, visualMapModel, api) {\n    var inRangeVisuals = visualMapModel.targetVisuals.inRange;\n    var outOfRangeVisuals = visualMapModel.targetVisuals.outOfRange; // if (!visualMapping) {\n    //     throw new Error('Data range must have color visuals');\n    // }\n\n    var data = seriesModel.getData();\n    var hmLayer = this._hmLayer || this._hmLayer || new HeatmapLayer();\n    hmLayer.blurSize = seriesModel.get('blurSize');\n    hmLayer.pointSize = seriesModel.get('pointSize');\n    hmLayer.minOpacity = seriesModel.get('minOpacity');\n    hmLayer.maxOpacity = seriesModel.get('maxOpacity');\n    var rect = geo.getViewRect().clone();\n    var roamTransform = geo.getRoamTransform();\n    rect.applyTransform(roamTransform); // Clamp on viewport\n\n    var x = Math.max(rect.x, 0);\n    var y = Math.max(rect.y, 0);\n    var x2 = Math.min(rect.width + rect.x, api.getWidth());\n    var y2 = Math.min(rect.height + rect.y, api.getHeight());\n    var width = x2 - x;\n    var height = y2 - y;\n    var dims = [data.mapDimension('lng'), data.mapDimension('lat'), data.mapDimension('value')];\n    var points = data.mapArray(dims, function (lng, lat, value) {\n      var pt = geo.dataToPoint([lng, lat]);\n      pt[0] -= x;\n      pt[1] -= y;\n      pt.push(value);\n      return pt;\n    });\n    var dataExtent = visualMapModel.getExtent();\n    var isInRange = visualMapModel.type === 'visualMap.continuous' ? getIsInContinuousRange(dataExtent, visualMapModel.option.range) : getIsInPiecewiseRange(dataExtent, visualMapModel.getPieceList(), visualMapModel.option.selected);\n    hmLayer.update(points, width, height, inRangeVisuals.color.getNormalizer(), {\n      inRange: inRangeVisuals.color.getColorMapper(),\n      outOfRange: outOfRangeVisuals.color.getColorMapper()\n    }, isInRange);\n    var img = new graphic.Image({\n      style: {\n        width: width,\n        height: height,\n        x: x,\n        y: y,\n        image: hmLayer.canvas\n      },\n      silent: true\n    });\n    this.group.add(img);\n  };\n\n  HeatmapView.type = 'heatmap';\n  return HeatmapView;\n}(ChartView);\n\nexport default HeatmapView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport SeriesModel from '../../model/Series';\nimport createListFromArray from '../helper/createListFromArray';\nimport CoordinateSystem from '../../core/CoordinateSystem';\n\nvar HeatmapSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(HeatmapSeriesModel, _super);\n\n  function HeatmapSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = HeatmapSeriesModel.type;\n    return _this;\n  }\n\n  HeatmapSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    return createListFromArray(this.getSource(), this, {\n      generateCoord: 'value'\n    });\n  };\n\n  HeatmapSeriesModel.prototype.preventIncremental = function () {\n    var coordSysCreator = CoordinateSystem.get(this.get('coordinateSystem'));\n\n    if (coordSysCreator && coordSysCreator.dimensions) {\n      return coordSysCreator.dimensions[0] === 'lng' && coordSysCreator.dimensions[1] === 'lat';\n    }\n  };\n\n  HeatmapSeriesModel.type = 'series.heatmap';\n  HeatmapSeriesModel.dependencies = ['grid', 'geo', 'calendar'];\n  HeatmapSeriesModel.defaultOption = {\n    coordinateSystem: 'cartesian2d',\n    zlevel: 0,\n    z: 2,\n    // Cartesian coordinate system\n    // xAxisIndex: 0,\n    // yAxisIndex: 0,\n    // Geo coordinate system\n    geoIndex: 0,\n    blurSize: 30,\n    pointSize: 20,\n    maxOpacity: 1,\n    minOpacity: 0,\n    select: {\n      itemStyle: {\n        borderColor: '#212121'\n      }\n    }\n  };\n  return HeatmapSeriesModel;\n}(SeriesModel);\n\nexport default HeatmapSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport { enableHoverEmphasis } from '../../util/states';\nimport { createSymbol } from '../../util/symbol';\nimport { parsePercent, isNumeric } from '../../util/number';\nimport ChartView from '../../view/Chart';\nimport { getDefaultLabel } from '../helper/labelHelper';\nimport { setLabelStyle, getLabelStatesModels } from '../../label/labelStyle';\nimport ZRImage from 'zrender/lib/graphic/Image';\nimport { getECData } from '../../util/innerStore';\nvar BAR_BORDER_WIDTH_QUERY = ['itemStyle', 'borderWidth']; // index: +isHorizontal\n\nvar LAYOUT_ATTRS = [{\n  xy: 'x',\n  wh: 'width',\n  index: 0,\n  posDesc: ['left', 'right']\n}, {\n  xy: 'y',\n  wh: 'height',\n  index: 1,\n  posDesc: ['top', 'bottom']\n}];\nvar pathForLineWidth = new graphic.Circle();\n\nvar PictorialBarView =\n/** @class */\nfunction (_super) {\n  __extends(PictorialBarView, _super);\n\n  function PictorialBarView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = PictorialBarView.type;\n    return _this;\n  }\n\n  PictorialBarView.prototype.render = function (seriesModel, ecModel, api) {\n    var group = this.group;\n    var data = seriesModel.getData();\n    var oldData = this._data;\n    var cartesian = seriesModel.coordinateSystem;\n    var baseAxis = cartesian.getBaseAxis();\n    var isHorizontal = baseAxis.isHorizontal();\n    var coordSysRect = cartesian.master.getRect();\n    var opt = {\n      ecSize: {\n        width: api.getWidth(),\n        height: api.getHeight()\n      },\n      seriesModel: seriesModel,\n      coordSys: cartesian,\n      coordSysExtent: [[coordSysRect.x, coordSysRect.x + coordSysRect.width], [coordSysRect.y, coordSysRect.y + coordSysRect.height]],\n      isHorizontal: isHorizontal,\n      valueDim: LAYOUT_ATTRS[+isHorizontal],\n      categoryDim: LAYOUT_ATTRS[1 - +isHorizontal]\n    };\n    data.diff(oldData).add(function (dataIndex) {\n      if (!data.hasValue(dataIndex)) {\n        return;\n      }\n\n      var itemModel = getItemModel(data, dataIndex);\n      var symbolMeta = getSymbolMeta(data, dataIndex, itemModel, opt);\n      var bar = createBar(data, opt, symbolMeta);\n      data.setItemGraphicEl(dataIndex, bar);\n      group.add(bar);\n      updateCommon(bar, opt, symbolMeta);\n    }).update(function (newIndex, oldIndex) {\n      var bar = oldData.getItemGraphicEl(oldIndex);\n\n      if (!data.hasValue(newIndex)) {\n        group.remove(bar);\n        return;\n      }\n\n      var itemModel = getItemModel(data, newIndex);\n      var symbolMeta = getSymbolMeta(data, newIndex, itemModel, opt);\n      var pictorialShapeStr = getShapeStr(data, symbolMeta);\n\n      if (bar && pictorialShapeStr !== bar.__pictorialShapeStr) {\n        group.remove(bar);\n        data.setItemGraphicEl(newIndex, null);\n        bar = null;\n      }\n\n      if (bar) {\n        updateBar(bar, opt, symbolMeta);\n      } else {\n        bar = createBar(data, opt, symbolMeta, true);\n      }\n\n      data.setItemGraphicEl(newIndex, bar);\n      bar.__pictorialSymbolMeta = symbolMeta; // Add back\n\n      group.add(bar);\n      updateCommon(bar, opt, symbolMeta);\n    }).remove(function (dataIndex) {\n      var bar = oldData.getItemGraphicEl(dataIndex);\n      bar && removeBar(oldData, dataIndex, bar.__pictorialSymbolMeta.animationModel, bar);\n    }).execute();\n    this._data = data;\n    return this.group;\n  };\n\n  PictorialBarView.prototype.remove = function (ecModel, api) {\n    var group = this.group;\n    var data = this._data;\n\n    if (ecModel.get('animation')) {\n      if (data) {\n        data.eachItemGraphicEl(function (bar) {\n          removeBar(data, getECData(bar).dataIndex, ecModel, bar);\n        });\n      }\n    } else {\n      group.removeAll();\n    }\n  };\n\n  PictorialBarView.type = 'pictorialBar';\n  return PictorialBarView;\n}(ChartView); // Set or calculate default value about symbol, and calculate layout info.\n\n\nfunction getSymbolMeta(data, dataIndex, itemModel, opt) {\n  var layout = data.getItemLayout(dataIndex);\n  var symbolRepeat = itemModel.get('symbolRepeat');\n  var symbolClip = itemModel.get('symbolClip');\n  var symbolPosition = itemModel.get('symbolPosition') || 'start';\n  var symbolRotate = itemModel.get('symbolRotate');\n  var rotation = (symbolRotate || 0) * Math.PI / 180 || 0;\n  var symbolPatternSize = itemModel.get('symbolPatternSize') || 2;\n  var isAnimationEnabled = itemModel.isAnimationEnabled();\n  var symbolMeta = {\n    dataIndex: dataIndex,\n    layout: layout,\n    itemModel: itemModel,\n    symbolType: data.getItemVisual(dataIndex, 'symbol') || 'circle',\n    style: data.getItemVisual(dataIndex, 'style'),\n    symbolClip: symbolClip,\n    symbolRepeat: symbolRepeat,\n    symbolRepeatDirection: itemModel.get('symbolRepeatDirection'),\n    symbolPatternSize: symbolPatternSize,\n    rotation: rotation,\n    animationModel: isAnimationEnabled ? itemModel : null,\n    hoverScale: isAnimationEnabled && itemModel.get(['emphasis', 'scale']),\n    z2: itemModel.getShallow('z', true) || 0\n  };\n  prepareBarLength(itemModel, symbolRepeat, layout, opt, symbolMeta);\n  prepareSymbolSize(data, dataIndex, layout, symbolRepeat, symbolClip, symbolMeta.boundingLength, symbolMeta.pxSign, symbolPatternSize, opt, symbolMeta);\n  prepareLineWidth(itemModel, symbolMeta.symbolScale, rotation, opt, symbolMeta);\n  var symbolSize = symbolMeta.symbolSize;\n  var symbolOffset = itemModel.get('symbolOffset');\n\n  if (zrUtil.isArray(symbolOffset)) {\n    symbolOffset = [parsePercent(symbolOffset[0], symbolSize[0]), parsePercent(symbolOffset[1], symbolSize[1])];\n  }\n\n  prepareLayoutInfo(itemModel, symbolSize, layout, symbolRepeat, symbolClip, symbolOffset, symbolPosition, symbolMeta.valueLineWidth, symbolMeta.boundingLength, symbolMeta.repeatCutLength, opt, symbolMeta);\n  return symbolMeta;\n} // bar length can be negative.\n\n\nfunction prepareBarLength(itemModel, symbolRepeat, layout, opt, outputSymbolMeta) {\n  var valueDim = opt.valueDim;\n  var symbolBoundingData = itemModel.get('symbolBoundingData');\n  var valueAxis = opt.coordSys.getOtherAxis(opt.coordSys.getBaseAxis());\n  var zeroPx = valueAxis.toGlobalCoord(valueAxis.dataToCoord(0));\n  var pxSignIdx = 1 - +(layout[valueDim.wh] <= 0);\n  var boundingLength;\n\n  if (zrUtil.isArray(symbolBoundingData)) {\n    var symbolBoundingExtent = [convertToCoordOnAxis(valueAxis, symbolBoundingData[0]) - zeroPx, convertToCoordOnAxis(valueAxis, symbolBoundingData[1]) - zeroPx];\n    symbolBoundingExtent[1] < symbolBoundingExtent[0] && symbolBoundingExtent.reverse();\n    boundingLength = symbolBoundingExtent[pxSignIdx];\n  } else if (symbolBoundingData != null) {\n    boundingLength = convertToCoordOnAxis(valueAxis, symbolBoundingData) - zeroPx;\n  } else if (symbolRepeat) {\n    boundingLength = opt.coordSysExtent[valueDim.index][pxSignIdx] - zeroPx;\n  } else {\n    boundingLength = layout[valueDim.wh];\n  }\n\n  outputSymbolMeta.boundingLength = boundingLength;\n\n  if (symbolRepeat) {\n    outputSymbolMeta.repeatCutLength = layout[valueDim.wh];\n  }\n\n  outputSymbolMeta.pxSign = boundingLength > 0 ? 1 : boundingLength < 0 ? -1 : 0;\n}\n\nfunction convertToCoordOnAxis(axis, value) {\n  return axis.toGlobalCoord(axis.dataToCoord(axis.scale.parse(value)));\n} // Support ['100%', '100%']\n\n\nfunction prepareSymbolSize(data, dataIndex, layout, symbolRepeat, symbolClip, boundingLength, pxSign, symbolPatternSize, opt, outputSymbolMeta) {\n  var valueDim = opt.valueDim;\n  var categoryDim = opt.categoryDim;\n  var categorySize = Math.abs(layout[categoryDim.wh]);\n  var symbolSize = data.getItemVisual(dataIndex, 'symbolSize');\n  var parsedSymbolSize;\n\n  if (zrUtil.isArray(symbolSize)) {\n    parsedSymbolSize = symbolSize.slice();\n  } else {\n    if (symbolSize == null) {\n      // will parse to number below\n      parsedSymbolSize = ['100%', '100%'];\n    } else {\n      parsedSymbolSize = [symbolSize, symbolSize];\n    }\n  } // Note: percentage symbolSize (like '100%') do not consider lineWidth, because it is\n  // to complicated to calculate real percent value if considering scaled lineWidth.\n  // So the actual size will bigger than layout size if lineWidth is bigger than zero,\n  // which can be tolerated in pictorial chart.\n\n\n  parsedSymbolSize[categoryDim.index] = parsePercent(parsedSymbolSize[categoryDim.index], categorySize);\n  parsedSymbolSize[valueDim.index] = parsePercent(parsedSymbolSize[valueDim.index], symbolRepeat ? categorySize : Math.abs(boundingLength));\n  outputSymbolMeta.symbolSize = parsedSymbolSize; // If x or y is less than zero, show reversed shape.\n\n  var symbolScale = outputSymbolMeta.symbolScale = [parsedSymbolSize[0] / symbolPatternSize, parsedSymbolSize[1] / symbolPatternSize]; // Follow convention, 'right' and 'top' is the normal scale.\n\n  symbolScale[valueDim.index] *= (opt.isHorizontal ? -1 : 1) * pxSign;\n}\n\nfunction prepareLineWidth(itemModel, symbolScale, rotation, opt, outputSymbolMeta) {\n  // In symbols are drawn with scale, so do not need to care about the case that width\n  // or height are too small. But symbol use strokeNoScale, where acture lineWidth should\n  // be calculated.\n  var valueLineWidth = itemModel.get(BAR_BORDER_WIDTH_QUERY) || 0;\n\n  if (valueLineWidth) {\n    pathForLineWidth.attr({\n      scaleX: symbolScale[0],\n      scaleY: symbolScale[1],\n      rotation: rotation\n    });\n    pathForLineWidth.updateTransform();\n    valueLineWidth /= pathForLineWidth.getLineScale();\n    valueLineWidth *= symbolScale[opt.valueDim.index];\n  }\n\n  outputSymbolMeta.valueLineWidth = valueLineWidth;\n}\n\nfunction prepareLayoutInfo(itemModel, symbolSize, layout, symbolRepeat, symbolClip, symbolOffset, symbolPosition, valueLineWidth, boundingLength, repeatCutLength, opt, outputSymbolMeta) {\n  var categoryDim = opt.categoryDim;\n  var valueDim = opt.valueDim;\n  var pxSign = outputSymbolMeta.pxSign;\n  var unitLength = Math.max(symbolSize[valueDim.index] + valueLineWidth, 0);\n  var pathLen = unitLength; // Note: rotation will not effect the layout of symbols, because user may\n  // want symbols to rotate on its center, which should not be translated\n  // when rotating.\n\n  if (symbolRepeat) {\n    var absBoundingLength = Math.abs(boundingLength);\n    var symbolMargin = zrUtil.retrieve(itemModel.get('symbolMargin'), '15%') + '';\n    var hasEndGap = false;\n\n    if (symbolMargin.lastIndexOf('!') === symbolMargin.length - 1) {\n      hasEndGap = true;\n      symbolMargin = symbolMargin.slice(0, symbolMargin.length - 1);\n    }\n\n    var symbolMarginNumeric = parsePercent(symbolMargin, symbolSize[valueDim.index]);\n    var uLenWithMargin = Math.max(unitLength + symbolMarginNumeric * 2, 0); // When symbol margin is less than 0, margin at both ends will be subtracted\n    // to ensure that all of the symbols will not be overflow the given area.\n\n    var endFix = hasEndGap ? 0 : symbolMarginNumeric * 2; // Both final repeatTimes and final symbolMarginNumeric area calculated based on\n    // boundingLength.\n\n    var repeatSpecified = isNumeric(symbolRepeat);\n    var repeatTimes = repeatSpecified ? symbolRepeat : toIntTimes((absBoundingLength + endFix) / uLenWithMargin); // Adjust calculate margin, to ensure each symbol is displayed\n    // entirely in the given layout area.\n\n    var mDiff = absBoundingLength - repeatTimes * unitLength;\n    symbolMarginNumeric = mDiff / 2 / (hasEndGap ? repeatTimes : repeatTimes - 1);\n    uLenWithMargin = unitLength + symbolMarginNumeric * 2;\n    endFix = hasEndGap ? 0 : symbolMarginNumeric * 2; // Update repeatTimes when not all symbol will be shown.\n\n    if (!repeatSpecified && symbolRepeat !== 'fixed') {\n      repeatTimes = repeatCutLength ? toIntTimes((Math.abs(repeatCutLength) + endFix) / uLenWithMargin) : 0;\n    }\n\n    pathLen = repeatTimes * uLenWithMargin - endFix;\n    outputSymbolMeta.repeatTimes = repeatTimes;\n    outputSymbolMeta.symbolMargin = symbolMarginNumeric;\n  }\n\n  var sizeFix = pxSign * (pathLen / 2);\n  var pathPosition = outputSymbolMeta.pathPosition = [];\n  pathPosition[categoryDim.index] = layout[categoryDim.wh] / 2;\n  pathPosition[valueDim.index] = symbolPosition === 'start' ? sizeFix : symbolPosition === 'end' ? boundingLength - sizeFix : boundingLength / 2; // 'center'\n\n  if (symbolOffset) {\n    pathPosition[0] += symbolOffset[0];\n    pathPosition[1] += symbolOffset[1];\n  }\n\n  var bundlePosition = outputSymbolMeta.bundlePosition = [];\n  bundlePosition[categoryDim.index] = layout[categoryDim.xy];\n  bundlePosition[valueDim.index] = layout[valueDim.xy];\n  var barRectShape = outputSymbolMeta.barRectShape = zrUtil.extend({}, layout);\n  barRectShape[valueDim.wh] = pxSign * Math.max(Math.abs(layout[valueDim.wh]), Math.abs(pathPosition[valueDim.index] + sizeFix));\n  barRectShape[categoryDim.wh] = layout[categoryDim.wh];\n  var clipShape = outputSymbolMeta.clipShape = {}; // Consider that symbol may be overflow layout rect.\n\n  clipShape[categoryDim.xy] = -layout[categoryDim.xy];\n  clipShape[categoryDim.wh] = opt.ecSize[categoryDim.wh];\n  clipShape[valueDim.xy] = 0;\n  clipShape[valueDim.wh] = layout[valueDim.wh];\n}\n\nfunction createPath(symbolMeta) {\n  var symbolPatternSize = symbolMeta.symbolPatternSize;\n  var path = createSymbol( // Consider texture img, make a big size.\n  symbolMeta.symbolType, -symbolPatternSize / 2, -symbolPatternSize / 2, symbolPatternSize, symbolPatternSize);\n  path.attr({\n    culling: true\n  });\n  path.type !== 'image' && path.setStyle({\n    strokeNoScale: true\n  });\n  return path;\n}\n\nfunction createOrUpdateRepeatSymbols(bar, opt, symbolMeta, isUpdate) {\n  var bundle = bar.__pictorialBundle;\n  var symbolSize = symbolMeta.symbolSize;\n  var valueLineWidth = symbolMeta.valueLineWidth;\n  var pathPosition = symbolMeta.pathPosition;\n  var valueDim = opt.valueDim;\n  var repeatTimes = symbolMeta.repeatTimes || 0;\n  var index = 0;\n  var unit = symbolSize[opt.valueDim.index] + valueLineWidth + symbolMeta.symbolMargin * 2;\n  eachPath(bar, function (path) {\n    path.__pictorialAnimationIndex = index;\n    path.__pictorialRepeatTimes = repeatTimes;\n\n    if (index < repeatTimes) {\n      updateAttr(path, null, makeTarget(index), symbolMeta, isUpdate);\n    } else {\n      updateAttr(path, null, {\n        scaleX: 0,\n        scaleY: 0\n      }, symbolMeta, isUpdate, function () {\n        bundle.remove(path);\n      });\n    } // updateHoverAnimation(path, symbolMeta);\n\n\n    index++;\n  });\n\n  for (; index < repeatTimes; index++) {\n    var path = createPath(symbolMeta);\n    path.__pictorialAnimationIndex = index;\n    path.__pictorialRepeatTimes = repeatTimes;\n    bundle.add(path);\n    var target = makeTarget(index);\n    updateAttr(path, {\n      x: target.x,\n      y: target.y,\n      scaleX: 0,\n      scaleY: 0\n    }, {\n      scaleX: target.scaleX,\n      scaleY: target.scaleY,\n      rotation: target.rotation\n    }, symbolMeta, isUpdate);\n  }\n\n  function makeTarget(index) {\n    var position = pathPosition.slice(); // (start && pxSign > 0) || (end && pxSign < 0): i = repeatTimes - index\n    // Otherwise: i = index;\n\n    var pxSign = symbolMeta.pxSign;\n    var i = index;\n\n    if (symbolMeta.symbolRepeatDirection === 'start' ? pxSign > 0 : pxSign < 0) {\n      i = repeatTimes - 1 - index;\n    }\n\n    position[valueDim.index] = unit * (i - repeatTimes / 2 + 0.5) + pathPosition[valueDim.index];\n    return {\n      x: position[0],\n      y: position[1],\n      scaleX: symbolMeta.symbolScale[0],\n      scaleY: symbolMeta.symbolScale[1],\n      rotation: symbolMeta.rotation\n    };\n  }\n}\n\nfunction createOrUpdateSingleSymbol(bar, opt, symbolMeta, isUpdate) {\n  var bundle = bar.__pictorialBundle;\n  var mainPath = bar.__pictorialMainPath;\n\n  if (!mainPath) {\n    mainPath = bar.__pictorialMainPath = createPath(symbolMeta);\n    bundle.add(mainPath);\n    updateAttr(mainPath, {\n      x: symbolMeta.pathPosition[0],\n      y: symbolMeta.pathPosition[1],\n      scaleX: 0,\n      scaleY: 0,\n      rotation: symbolMeta.rotation\n    }, {\n      scaleX: symbolMeta.symbolScale[0],\n      scaleY: symbolMeta.symbolScale[1]\n    }, symbolMeta, isUpdate);\n  } else {\n    updateAttr(mainPath, null, {\n      x: symbolMeta.pathPosition[0],\n      y: symbolMeta.pathPosition[1],\n      scaleX: symbolMeta.symbolScale[0],\n      scaleY: symbolMeta.symbolScale[1],\n      rotation: symbolMeta.rotation\n    }, symbolMeta, isUpdate);\n  }\n} // bar rect is used for label.\n\n\nfunction createOrUpdateBarRect(bar, symbolMeta, isUpdate) {\n  var rectShape = zrUtil.extend({}, symbolMeta.barRectShape);\n  var barRect = bar.__pictorialBarRect;\n\n  if (!barRect) {\n    barRect = bar.__pictorialBarRect = new graphic.Rect({\n      z2: 2,\n      shape: rectShape,\n      silent: true,\n      style: {\n        stroke: 'transparent',\n        fill: 'transparent',\n        lineWidth: 0\n      }\n    });\n    bar.add(barRect);\n  } else {\n    updateAttr(barRect, null, {\n      shape: rectShape\n    }, symbolMeta, isUpdate);\n  }\n}\n\nfunction createOrUpdateClip(bar, opt, symbolMeta, isUpdate) {\n  // If not clip, symbol will be remove and rebuilt.\n  if (symbolMeta.symbolClip) {\n    var clipPath = bar.__pictorialClipPath;\n    var clipShape = zrUtil.extend({}, symbolMeta.clipShape);\n    var valueDim = opt.valueDim;\n    var animationModel = symbolMeta.animationModel;\n    var dataIndex = symbolMeta.dataIndex;\n\n    if (clipPath) {\n      graphic.updateProps(clipPath, {\n        shape: clipShape\n      }, animationModel, dataIndex);\n    } else {\n      clipShape[valueDim.wh] = 0;\n      clipPath = new graphic.Rect({\n        shape: clipShape\n      });\n\n      bar.__pictorialBundle.setClipPath(clipPath);\n\n      bar.__pictorialClipPath = clipPath;\n      var target = {};\n      target[valueDim.wh] = symbolMeta.clipShape[valueDim.wh];\n      graphic[isUpdate ? 'updateProps' : 'initProps'](clipPath, {\n        shape: target\n      }, animationModel, dataIndex);\n    }\n  }\n}\n\nfunction getItemModel(data, dataIndex) {\n  var itemModel = data.getItemModel(dataIndex);\n  itemModel.getAnimationDelayParams = getAnimationDelayParams;\n  itemModel.isAnimationEnabled = isAnimationEnabled;\n  return itemModel;\n}\n\nfunction getAnimationDelayParams(path) {\n  // The order is the same as the z-order, see `symbolRepeatDiretion`.\n  return {\n    index: path.__pictorialAnimationIndex,\n    count: path.__pictorialRepeatTimes\n  };\n}\n\nfunction isAnimationEnabled() {\n  // `animation` prop can be set on itemModel in pictorial bar chart.\n  return this.parentModel.isAnimationEnabled() && !!this.getShallow('animation');\n}\n\nfunction createBar(data, opt, symbolMeta, isUpdate) {\n  // bar is the main element for each data.\n  var bar = new graphic.Group(); // bundle is used for location and clip.\n\n  var bundle = new graphic.Group();\n  bar.add(bundle);\n  bar.__pictorialBundle = bundle;\n  bundle.x = symbolMeta.bundlePosition[0];\n  bundle.y = symbolMeta.bundlePosition[1];\n\n  if (symbolMeta.symbolRepeat) {\n    createOrUpdateRepeatSymbols(bar, opt, symbolMeta);\n  } else {\n    createOrUpdateSingleSymbol(bar, opt, symbolMeta);\n  }\n\n  createOrUpdateBarRect(bar, symbolMeta, isUpdate);\n  createOrUpdateClip(bar, opt, symbolMeta, isUpdate);\n  bar.__pictorialShapeStr = getShapeStr(data, symbolMeta);\n  bar.__pictorialSymbolMeta = symbolMeta;\n  return bar;\n}\n\nfunction updateBar(bar, opt, symbolMeta) {\n  var animationModel = symbolMeta.animationModel;\n  var dataIndex = symbolMeta.dataIndex;\n  var bundle = bar.__pictorialBundle;\n  graphic.updateProps(bundle, {\n    x: symbolMeta.bundlePosition[0],\n    y: symbolMeta.bundlePosition[1]\n  }, animationModel, dataIndex);\n\n  if (symbolMeta.symbolRepeat) {\n    createOrUpdateRepeatSymbols(bar, opt, symbolMeta, true);\n  } else {\n    createOrUpdateSingleSymbol(bar, opt, symbolMeta, true);\n  }\n\n  createOrUpdateBarRect(bar, symbolMeta, true);\n  createOrUpdateClip(bar, opt, symbolMeta, true);\n}\n\nfunction removeBar(data, dataIndex, animationModel, bar) {\n  // Not show text when animating\n  var labelRect = bar.__pictorialBarRect;\n  labelRect && labelRect.removeTextContent();\n  var pathes = [];\n  eachPath(bar, function (path) {\n    pathes.push(path);\n  });\n  bar.__pictorialMainPath && pathes.push(bar.__pictorialMainPath); // I do not find proper remove animation for clip yet.\n\n  bar.__pictorialClipPath && (animationModel = null);\n  zrUtil.each(pathes, function (path) {\n    graphic.removeElement(path, {\n      scaleX: 0,\n      scaleY: 0\n    }, animationModel, dataIndex, function () {\n      bar.parent && bar.parent.remove(bar);\n    });\n  });\n  data.setItemGraphicEl(dataIndex, null);\n}\n\nfunction getShapeStr(data, symbolMeta) {\n  return [data.getItemVisual(symbolMeta.dataIndex, 'symbol') || 'none', !!symbolMeta.symbolRepeat, !!symbolMeta.symbolClip].join(':');\n}\n\nfunction eachPath(bar, cb, context) {\n  // Do not use Group#eachChild, because it do not support remove.\n  zrUtil.each(bar.__pictorialBundle.children(), function (el) {\n    el !== bar.__pictorialBarRect && cb.call(context, el);\n  });\n}\n\nfunction updateAttr(el, immediateAttrs, animationAttrs, symbolMeta, isUpdate, cb) {\n  immediateAttrs && el.attr(immediateAttrs); // when symbolCip used, only clip path has init animation, otherwise it would be weird effect.\n\n  if (symbolMeta.symbolClip && !isUpdate) {\n    animationAttrs && el.attr(animationAttrs);\n  } else {\n    animationAttrs && graphic[isUpdate ? 'updateProps' : 'initProps'](el, animationAttrs, symbolMeta.animationModel, symbolMeta.dataIndex, cb);\n  }\n}\n\nfunction updateCommon(bar, opt, symbolMeta) {\n  var dataIndex = symbolMeta.dataIndex;\n  var itemModel = symbolMeta.itemModel; // Color must be excluded.\n  // Because symbol provide setColor individually to set fill and stroke\n\n  var emphasisModel = itemModel.getModel('emphasis');\n  var emphasisStyle = emphasisModel.getModel('itemStyle').getItemStyle();\n  var blurStyle = itemModel.getModel(['blur', 'itemStyle']).getItemStyle();\n  var selectStyle = itemModel.getModel(['select', 'itemStyle']).getItemStyle();\n  var cursorStyle = itemModel.getShallow('cursor');\n  var focus = emphasisModel.get('focus');\n  var blurScope = emphasisModel.get('blurScope');\n  var hoverScale = emphasisModel.get('scale');\n  eachPath(bar, function (path) {\n    if (path instanceof ZRImage) {\n      var pathStyle = path.style;\n      path.useStyle(zrUtil.extend({\n        // TODO other properties like dx, dy ?\n        image: pathStyle.image,\n        x: pathStyle.x,\n        y: pathStyle.y,\n        width: pathStyle.width,\n        height: pathStyle.height\n      }, symbolMeta.style));\n    } else {\n      path.useStyle(symbolMeta.style);\n    }\n\n    var emphasisState = path.ensureState('emphasis');\n    emphasisState.style = emphasisStyle;\n\n    if (hoverScale) {\n      // NOTE: Must after scale is set after updateAttr\n      emphasisState.scaleX = path.scaleX * 1.1;\n      emphasisState.scaleY = path.scaleY * 1.1;\n    }\n\n    path.ensureState('blur').style = blurStyle;\n    path.ensureState('select').style = selectStyle;\n    cursorStyle && (path.cursor = cursorStyle);\n    path.z2 = symbolMeta.z2;\n  });\n  var barPositionOutside = opt.valueDim.posDesc[+(symbolMeta.boundingLength > 0)];\n  var barRect = bar.__pictorialBarRect;\n  setLabelStyle(barRect, getLabelStatesModels(itemModel), {\n    labelFetcher: opt.seriesModel,\n    labelDataIndex: dataIndex,\n    defaultText: getDefaultLabel(opt.seriesModel.getData(), dataIndex),\n    inheritColor: symbolMeta.style.fill,\n    defaultOpacity: symbolMeta.style.opacity,\n    defaultOutsidePosition: barPositionOutside\n  });\n  enableHoverEmphasis(bar, focus, blurScope);\n}\n\nfunction toIntTimes(times) {\n  var roundedTimes = Math.round(times); // Escapse accurate error\n\n  return Math.abs(times - roundedTimes) < 1e-4 ? roundedTimes : Math.ceil(times);\n}\n\nexport default PictorialBarView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport BaseBarSeriesModel from './BaseBarSeries';\nimport { inheritDefaultOption } from '../../util/component';\n\nvar PictorialBarSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(PictorialBarSeriesModel, _super);\n\n  function PictorialBarSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = PictorialBarSeriesModel.type;\n    _this.hasSymbolVisual = true;\n    _this.defaultSymbol = 'roundRect';\n    return _this;\n  }\n\n  PictorialBarSeriesModel.prototype.getInitialData = function (option) {\n    // Disable stack.\n    option.stack = null;\n    return _super.prototype.getInitialData.apply(this, arguments);\n  };\n\n  PictorialBarSeriesModel.type = 'series.pictorialBar';\n  PictorialBarSeriesModel.dependencies = ['grid'];\n  PictorialBarSeriesModel.defaultOption = inheritDefaultOption(BaseBarSeriesModel.defaultOption, {\n    symbol: 'circle',\n    symbolSize: null,\n    symbolRotate: null,\n    symbolPosition: null,\n    symbolOffset: null,\n    symbolMargin: null,\n    symbolRepeat: false,\n    symbolRepeatDirection: 'end',\n    symbolClip: false,\n    symbolBoundingData: null,\n    symbolPatternSize: 400,\n    barGap: '-100%',\n    // z can be set in data item, which is z2 actually.\n    // Disable progressive\n    progressive: 0,\n    emphasis: {\n      // By default pictorialBar do not hover scale. Hover scale is not suitable\n      // for the case that both has foreground and background.\n      scale: false\n    },\n    select: {\n      itemStyle: {\n        borderColor: '#212121'\n      }\n    }\n  });\n  return PictorialBarSeriesModel;\n}(BaseBarSeriesModel);\n\nexport default PictorialBarSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport { ECPolygon } from '../line/poly';\nimport * as graphic from '../../util/graphic';\nimport { setStatesStylesFromModel, enableHoverEmphasis } from '../../util/states';\nimport { setLabelStyle, getLabelStatesModels } from '../../label/labelStyle';\nimport { bind } from 'zrender/lib/core/util';\nimport DataDiffer from '../../data/DataDiffer';\nimport ChartView from '../../view/Chart';\n\nvar ThemeRiverView =\n/** @class */\nfunction (_super) {\n  __extends(ThemeRiverView, _super);\n\n  function ThemeRiverView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ThemeRiverView.type;\n    _this._layers = [];\n    return _this;\n  }\n\n  ThemeRiverView.prototype.render = function (seriesModel, ecModel, api) {\n    var data = seriesModel.getData();\n    var self = this;\n    var group = this.group;\n    var layersSeries = seriesModel.getLayerSeries();\n    var layoutInfo = data.getLayout('layoutInfo');\n    var rect = layoutInfo.rect;\n    var boundaryGap = layoutInfo.boundaryGap;\n    group.x = 0;\n    group.y = rect.y + boundaryGap[0];\n\n    function keyGetter(item) {\n      return item.name;\n    }\n\n    var dataDiffer = new DataDiffer(this._layersSeries || [], layersSeries, keyGetter, keyGetter);\n    var newLayersGroups = [];\n    dataDiffer.add(bind(process, this, 'add')).update(bind(process, this, 'update')).remove(bind(process, this, 'remove')).execute();\n\n    function process(status, idx, oldIdx) {\n      var oldLayersGroups = self._layers;\n\n      if (status === 'remove') {\n        group.remove(oldLayersGroups[idx]);\n        return;\n      }\n\n      var points0 = [];\n      var points1 = [];\n      var style;\n      var indices = layersSeries[idx].indices;\n      var j = 0;\n\n      for (; j < indices.length; j++) {\n        var layout = data.getItemLayout(indices[j]);\n        var x = layout.x;\n        var y0 = layout.y0;\n        var y = layout.y;\n        points0.push(x, y0);\n        points1.push(x, y0 + y);\n        style = data.getItemVisual(indices[j], 'style');\n      }\n\n      var polygon;\n      var textLayout = data.getItemLayout(indices[0]);\n      var labelModel = seriesModel.getModel('label');\n      var margin = labelModel.get('margin');\n      var emphasisModel = seriesModel.getModel('emphasis');\n\n      if (status === 'add') {\n        var layerGroup = newLayersGroups[idx] = new graphic.Group();\n        polygon = new ECPolygon({\n          shape: {\n            points: points0,\n            stackedOnPoints: points1,\n            smooth: 0.4,\n            stackedOnSmooth: 0.4,\n            smoothConstraint: false\n          },\n          z2: 0\n        });\n        layerGroup.add(polygon);\n        group.add(layerGroup);\n\n        if (seriesModel.isAnimationEnabled()) {\n          polygon.setClipPath(createGridClipShape(polygon.getBoundingRect(), seriesModel, function () {\n            polygon.removeClipPath();\n          }));\n        }\n      } else {\n        var layerGroup = oldLayersGroups[oldIdx];\n        polygon = layerGroup.childAt(0);\n        group.add(layerGroup);\n        newLayersGroups[idx] = layerGroup;\n        graphic.updateProps(polygon, {\n          shape: {\n            points: points0,\n            stackedOnPoints: points1\n          }\n        }, seriesModel);\n      }\n\n      setLabelStyle(polygon, getLabelStatesModels(seriesModel), {\n        labelDataIndex: indices[j - 1],\n        defaultText: data.getName(indices[j - 1]),\n        inheritColor: style.fill\n      }, {\n        normal: {\n          verticalAlign: 'middle' // align: 'right'\n\n        }\n      });\n      polygon.setTextConfig({\n        position: null,\n        local: true\n      });\n      var labelEl = polygon.getTextContent(); // TODO More label position options.\n\n      if (labelEl) {\n        labelEl.x = textLayout.x - margin;\n        labelEl.y = textLayout.y0 + textLayout.y / 2;\n      }\n\n      polygon.useStyle(style);\n      data.setItemGraphicEl(idx, polygon);\n      setStatesStylesFromModel(polygon, seriesModel);\n      enableHoverEmphasis(polygon, emphasisModel.get('focus'), emphasisModel.get('blurScope'));\n    }\n\n    this._layersSeries = layersSeries;\n    this._layers = newLayersGroups;\n  };\n\n  ThemeRiverView.type = 'themeRiver';\n  return ThemeRiverView;\n}(ChartView);\n\n; // add animation to the view\n\nfunction createGridClipShape(rect, seriesModel, cb) {\n  var rectEl = new graphic.Rect({\n    shape: {\n      x: rect.x - 10,\n      y: rect.y - 10,\n      width: 0,\n      height: rect.height + 20\n    }\n  });\n  graphic.initProps(rectEl, {\n    shape: {\n      x: rect.x - 50,\n      width: rect.width + 100,\n      height: rect.height + 20\n    }\n  }, seriesModel, cb);\n  return rectEl;\n}\n\nexport default ThemeRiverView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport SeriesModel from '../../model/Series';\nimport createDimensions from '../../data/helper/createDimensions';\nimport { getDimensionTypeByAxis } from '../../data/helper/dimensionHelper';\nimport List from '../../data/List';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { groupData, SINGLE_REFERRING } from '../../util/model';\nimport LegendVisualProvider from '../../visual/LegendVisualProvider';\nimport { createTooltipMarkup } from '../../component/tooltip/tooltipMarkup';\nvar DATA_NAME_INDEX = 2;\n\nvar ThemeRiverSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(ThemeRiverSeriesModel, _super);\n\n  function ThemeRiverSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ThemeRiverSeriesModel.type;\n    _this.useColorPaletteOnData = true;\n    return _this;\n  }\n  /**\n   * @override\n   */\n\n\n  ThemeRiverSeriesModel.prototype.init = function (option) {\n    // eslint-disable-next-line\n    _super.prototype.init.apply(this, arguments); // Put this function here is for the sake of consistency of code style.\n    // Enable legend selection for each data item\n    // Use a function instead of direct access because data reference may changed\n\n\n    this.legendVisualProvider = new LegendVisualProvider(zrUtil.bind(this.getData, this), zrUtil.bind(this.getRawData, this));\n  };\n  /**\n   * If there is no value of a certain point in the time for some event,set it value to 0.\n   *\n   * @param {Array} data  initial data in the option\n   * @return {Array}\n   */\n\n\n  ThemeRiverSeriesModel.prototype.fixData = function (data) {\n    var rawDataLength = data.length;\n    /**\n     * Make sure every layer data get the same keys.\n     * The value index tells which layer has visited.\n     * {\n     *  2014/01/01: -1\n     * }\n     */\n\n    var timeValueKeys = {}; // grouped data by name\n\n    var groupResult = groupData(data, function (item) {\n      if (!timeValueKeys.hasOwnProperty(item[0] + '')) {\n        timeValueKeys[item[0] + ''] = -1;\n      }\n\n      return item[2];\n    });\n    var layerData = [];\n    groupResult.buckets.each(function (items, key) {\n      layerData.push({\n        name: key,\n        dataList: items\n      });\n    });\n    var layerNum = layerData.length;\n\n    for (var k = 0; k < layerNum; ++k) {\n      var name_1 = layerData[k].name;\n\n      for (var j = 0; j < layerData[k].dataList.length; ++j) {\n        var timeValue = layerData[k].dataList[j][0] + '';\n        timeValueKeys[timeValue] = k;\n      }\n\n      for (var timeValue in timeValueKeys) {\n        if (timeValueKeys.hasOwnProperty(timeValue) && timeValueKeys[timeValue] !== k) {\n          timeValueKeys[timeValue] = k;\n          data[rawDataLength] = [timeValue, 0, name_1];\n          rawDataLength++;\n        }\n      }\n    }\n\n    return data;\n  };\n  /**\n   * @override\n   * @param  option  the initial option that user gived\n   * @param  ecModel  the model object for themeRiver option\n   */\n\n\n  ThemeRiverSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    var singleAxisModel = this.getReferringComponents('singleAxis', SINGLE_REFERRING).models[0];\n    var axisType = singleAxisModel.get('type'); // filter the data item with the value of label is undefined\n\n    var filterData = zrUtil.filter(option.data, function (dataItem) {\n      return dataItem[2] !== undefined;\n    }); // ??? TODO design a stage to transfer data for themeRiver and lines?\n\n    var data = this.fixData(filterData || []);\n    var nameList = [];\n    var nameMap = this.nameMap = zrUtil.createHashMap();\n    var count = 0;\n\n    for (var i = 0; i < data.length; ++i) {\n      nameList.push(data[i][DATA_NAME_INDEX]);\n\n      if (!nameMap.get(data[i][DATA_NAME_INDEX])) {\n        nameMap.set(data[i][DATA_NAME_INDEX], count);\n        count++;\n      }\n    }\n\n    var dimensionsInfo = createDimensions(data, {\n      coordDimensions: ['single'],\n      dimensionsDefine: [{\n        name: 'time',\n        type: getDimensionTypeByAxis(axisType)\n      }, {\n        name: 'value',\n        type: 'float'\n      }, {\n        name: 'name',\n        type: 'ordinal'\n      }],\n      encodeDefine: {\n        single: 0,\n        value: 1,\n        itemName: 2\n      }\n    });\n    var list = new List(dimensionsInfo, this);\n    list.initData(data);\n    return list;\n  };\n  /**\n   * The raw data is divided into multiple layers and each layer\n   *     has same name.\n   */\n\n\n  ThemeRiverSeriesModel.prototype.getLayerSeries = function () {\n    var data = this.getData();\n    var lenCount = data.count();\n    var indexArr = [];\n\n    for (var i = 0; i < lenCount; ++i) {\n      indexArr[i] = i;\n    }\n\n    var timeDim = data.mapDimension('single'); // data group by name\n\n    var groupResult = groupData(indexArr, function (index) {\n      return data.get('name', index);\n    });\n    var layerSeries = [];\n    groupResult.buckets.each(function (items, key) {\n      items.sort(function (index1, index2) {\n        return data.get(timeDim, index1) - data.get(timeDim, index2);\n      });\n      layerSeries.push({\n        name: key,\n        indices: items\n      });\n    });\n    return layerSeries;\n  };\n  /**\n   * Get data indices for show tooltip content\n   */\n\n\n  ThemeRiverSeriesModel.prototype.getAxisTooltipData = function (dim, value, baseAxis) {\n    if (!zrUtil.isArray(dim)) {\n      dim = dim ? [dim] : [];\n    }\n\n    var data = this.getData();\n    var layerSeries = this.getLayerSeries();\n    var indices = [];\n    var layerNum = layerSeries.length;\n    var nestestValue;\n\n    for (var i = 0; i < layerNum; ++i) {\n      var minDist = Number.MAX_VALUE;\n      var nearestIdx = -1;\n      var pointNum = layerSeries[i].indices.length;\n\n      for (var j = 0; j < pointNum; ++j) {\n        var theValue = data.get(dim[0], layerSeries[i].indices[j]);\n        var dist = Math.abs(theValue - value);\n\n        if (dist <= minDist) {\n          nestestValue = theValue;\n          minDist = dist;\n          nearestIdx = layerSeries[i].indices[j];\n        }\n      }\n\n      indices.push(nearestIdx);\n    }\n\n    return {\n      dataIndices: indices,\n      nestestValue: nestestValue\n    };\n  };\n\n  ThemeRiverSeriesModel.prototype.formatTooltip = function (dataIndex, multipleSeries, dataType) {\n    var data = this.getData();\n    var name = data.getName(dataIndex);\n    var value = data.get(data.mapDimension('value'), dataIndex);\n    return createTooltipMarkup('nameValue', {\n      name: name,\n      value: value\n    });\n  };\n\n  ThemeRiverSeriesModel.type = 'series.themeRiver';\n  ThemeRiverSeriesModel.dependencies = ['singleAxis'];\n  ThemeRiverSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    coordinateSystem: 'singleAxis',\n    // gap in axis's orthogonal orientation\n    boundaryGap: ['10%', '10%'],\n    // legendHoverLink: true,\n    singleAxisIndex: 0,\n    animationEasing: 'linear',\n    label: {\n      margin: 4,\n      show: true,\n      position: 'left',\n      fontSize: 11\n    },\n    emphasis: {\n      label: {\n        show: true\n      }\n    }\n  };\n  return ThemeRiverSeriesModel;\n}(SeriesModel);\n\nexport default ThemeRiverSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as numberUtil from '../../util/number';\nexport default function themeRiverLayout(ecModel, api) {\n  ecModel.eachSeriesByType('themeRiver', function (seriesModel) {\n    var data = seriesModel.getData();\n    var single = seriesModel.coordinateSystem;\n    var layoutInfo = {}; // use the axis boundingRect for view\n\n    var rect = single.getRect();\n    layoutInfo.rect = rect;\n    var boundaryGap = seriesModel.get('boundaryGap');\n    var axis = single.getAxis();\n    layoutInfo.boundaryGap = boundaryGap;\n\n    if (axis.orient === 'horizontal') {\n      boundaryGap[0] = numberUtil.parsePercent(boundaryGap[0], rect.height);\n      boundaryGap[1] = numberUtil.parsePercent(boundaryGap[1], rect.height);\n      var height = rect.height - boundaryGap[0] - boundaryGap[1];\n      doThemeRiverLayout(data, seriesModel, height);\n    } else {\n      boundaryGap[0] = numberUtil.parsePercent(boundaryGap[0], rect.width);\n      boundaryGap[1] = numberUtil.parsePercent(boundaryGap[1], rect.width);\n      var width = rect.width - boundaryGap[0] - boundaryGap[1];\n      doThemeRiverLayout(data, seriesModel, width);\n    }\n\n    data.setLayout('layoutInfo', layoutInfo);\n  });\n}\n/**\n * The layout information about themeriver\n *\n * @param data  data in the series\n * @param seriesModel  the model object of themeRiver series\n * @param height  value used to compute every series height\n */\n\nfunction doThemeRiverLayout(data, seriesModel, height) {\n  if (!data.count()) {\n    return;\n  }\n\n  var coordSys = seriesModel.coordinateSystem; // the data in each layer are organized into a series.\n\n  var layerSeries = seriesModel.getLayerSeries(); // the points in each layer.\n\n  var timeDim = data.mapDimension('single');\n  var valueDim = data.mapDimension('value');\n  var layerPoints = zrUtil.map(layerSeries, function (singleLayer) {\n    return zrUtil.map(singleLayer.indices, function (idx) {\n      var pt = coordSys.dataToPoint(data.get(timeDim, idx));\n      pt[1] = data.get(valueDim, idx);\n      return pt;\n    });\n  });\n  var base = computeBaseline(layerPoints);\n  var baseLine = base.y0;\n  var ky = height / base.max; // set layout information for each item.\n\n  var n = layerSeries.length;\n  var m = layerSeries[0].indices.length;\n  var baseY0;\n\n  for (var j = 0; j < m; ++j) {\n    baseY0 = baseLine[j] * ky;\n    data.setItemLayout(layerSeries[0].indices[j], {\n      layerIndex: 0,\n      x: layerPoints[0][j][0],\n      y0: baseY0,\n      y: layerPoints[0][j][1] * ky\n    });\n\n    for (var i = 1; i < n; ++i) {\n      baseY0 += layerPoints[i - 1][j][1] * ky;\n      data.setItemLayout(layerSeries[i].indices[j], {\n        layerIndex: i,\n        x: layerPoints[i][j][0],\n        y0: baseY0,\n        y: layerPoints[i][j][1] * ky\n      });\n    }\n  }\n}\n/**\n * Compute the baseLine of the rawdata\n * Inspired by Lee Byron's paper Stacked Graphs - Geometry & Aesthetics\n *\n * @param  data  the points in each layer\n */\n\n\nfunction computeBaseline(data) {\n  var layerNum = data.length;\n  var pointNum = data[0].length;\n  var sums = [];\n  var y0 = [];\n  var max = 0;\n\n  for (var i = 0; i < pointNum; ++i) {\n    var temp = 0;\n\n    for (var j = 0; j < layerNum; ++j) {\n      temp += data[j][i][1];\n    }\n\n    if (temp > max) {\n      max = temp;\n    }\n\n    sums.push(temp);\n  }\n\n  for (var k = 0; k < pointNum; ++k) {\n    y0[k] = (max - sums[k]) / 2;\n  }\n\n  max = 0;\n\n  for (var l = 0; l < pointNum; ++l) {\n    var sum = sums[l] + y0[l];\n\n    if (sum > max) {\n      max = sum;\n    }\n  }\n\n  return {\n    y0: y0,\n    max: max\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport { enableHoverEmphasis, SPECIAL_STATES, DISPLAY_STATES } from '../../util/states';\nimport { createTextStyle } from '../../label/labelStyle';\nimport { getECData } from '../../util/innerStore';\nimport { getSectorCornerRadius } from '../helper/pieHelper';\nimport { createOrUpdatePatternFromDecal } from '../../util/decal';\nvar DEFAULT_SECTOR_Z = 2;\nvar DEFAULT_TEXT_Z = 4;\n/**\n * Sunburstce of Sunburst including Sector, Label, LabelLine\n */\n\nvar SunburstPiece =\n/** @class */\nfunction (_super) {\n  __extends(SunburstPiece, _super);\n\n  function SunburstPiece(node, seriesModel, ecModel, api) {\n    var _this = _super.call(this) || this;\n\n    _this.z2 = DEFAULT_SECTOR_Z;\n    _this.textConfig = {\n      inside: true\n    };\n    getECData(_this).seriesIndex = seriesModel.seriesIndex;\n    var text = new graphic.Text({\n      z2: DEFAULT_TEXT_Z,\n      silent: node.getModel().get(['label', 'silent'])\n    });\n\n    _this.setTextContent(text);\n\n    _this.updateData(true, node, seriesModel, ecModel, api);\n\n    return _this;\n  }\n\n  SunburstPiece.prototype.updateData = function (firstCreate, node, // state: 'emphasis' | 'normal' | 'highlight' | 'downplay',\n  seriesModel, ecModel, api) {\n    this.node = node;\n    node.piece = this;\n    seriesModel = seriesModel || this._seriesModel;\n    ecModel = ecModel || this._ecModel;\n    var sector = this;\n    getECData(sector).dataIndex = node.dataIndex;\n    var itemModel = node.getModel();\n    var emphasisModel = itemModel.getModel('emphasis');\n    var layout = node.getLayout();\n    var sectorShape = zrUtil.extend({}, layout);\n    sectorShape.label = null;\n    var normalStyle = node.getVisual('style');\n    normalStyle.lineJoin = 'bevel';\n    var decal = node.getVisual('decal');\n\n    if (decal) {\n      normalStyle.decal = createOrUpdatePatternFromDecal(decal, api);\n    }\n\n    var cornerRadius = getSectorCornerRadius(itemModel.getModel('itemStyle'), sectorShape);\n    zrUtil.extend(sectorShape, cornerRadius);\n    zrUtil.each(SPECIAL_STATES, function (stateName) {\n      var state = sector.ensureState(stateName);\n      var itemStyleModel = itemModel.getModel([stateName, 'itemStyle']);\n      state.style = itemStyleModel.getItemStyle(); // border radius\n\n      var cornerRadius = getSectorCornerRadius(itemStyleModel, sectorShape);\n\n      if (cornerRadius) {\n        state.shape = cornerRadius;\n      }\n    });\n\n    if (firstCreate) {\n      sector.setShape(sectorShape);\n      sector.shape.r = layout.r0;\n      graphic.updateProps(sector, {\n        shape: {\n          r: layout.r\n        }\n      }, seriesModel, node.dataIndex);\n    } else {\n      // Disable animation for gradient since no interpolation method\n      // is supported for gradient\n      graphic.updateProps(sector, {\n        shape: sectorShape\n      }, seriesModel);\n    }\n\n    sector.useStyle(normalStyle);\n\n    this._updateLabel(seriesModel);\n\n    var cursorStyle = itemModel.getShallow('cursor');\n    cursorStyle && sector.attr('cursor', cursorStyle);\n    this._seriesModel = seriesModel || this._seriesModel;\n    this._ecModel = ecModel || this._ecModel;\n    var focus = emphasisModel.get('focus');\n    var focusOrIndices = focus === 'ancestor' ? node.getAncestorsIndices() : focus === 'descendant' ? node.getDescendantIndices() : focus;\n    enableHoverEmphasis(this, focusOrIndices, emphasisModel.get('blurScope'));\n  };\n\n  SunburstPiece.prototype._updateLabel = function (seriesModel) {\n    var _this = this;\n\n    var itemModel = this.node.getModel();\n    var normalLabelModel = itemModel.getModel('label');\n    var layout = this.node.getLayout();\n    var angle = layout.endAngle - layout.startAngle;\n    var midAngle = (layout.startAngle + layout.endAngle) / 2;\n    var dx = Math.cos(midAngle);\n    var dy = Math.sin(midAngle);\n    var sector = this;\n    var label = sector.getTextContent();\n    var dataIndex = this.node.dataIndex;\n    var labelMinAngle = normalLabelModel.get('minAngle') / 180 * Math.PI;\n    var isNormalShown = normalLabelModel.get('show') && !(labelMinAngle != null && Math.abs(angle) < labelMinAngle);\n    label.ignore = !isNormalShown; // TODO use setLabelStyle\n\n    zrUtil.each(DISPLAY_STATES, function (stateName) {\n      var labelStateModel = stateName === 'normal' ? itemModel.getModel('label') : itemModel.getModel([stateName, 'label']);\n      var isNormal = stateName === 'normal';\n      var state = isNormal ? label : label.ensureState(stateName);\n      var text = seriesModel.getFormattedLabel(dataIndex, stateName);\n\n      if (isNormal) {\n        text = text || _this.node.name;\n      }\n\n      state.style = createTextStyle(labelStateModel, {}, null, stateName !== 'normal', true);\n\n      if (text) {\n        state.style.text = text;\n      } // Not displaying text when angle is too small\n\n\n      var isShown = labelStateModel.get('show');\n\n      if (isShown != null && !isNormal) {\n        state.ignore = !isShown;\n      }\n\n      var labelPosition = getLabelAttr(labelStateModel, 'position');\n      var sectorState = isNormal ? sector : sector.states[stateName];\n      var labelColor = sectorState.style.fill;\n      sectorState.textConfig = {\n        outsideFill: labelStateModel.get('color') === 'inherit' ? labelColor : null,\n        inside: labelPosition !== 'outside'\n      };\n      var r;\n      var labelPadding = getLabelAttr(labelStateModel, 'distance') || 0;\n      var textAlign = getLabelAttr(labelStateModel, 'align');\n\n      if (labelPosition === 'outside') {\n        r = layout.r + labelPadding;\n        textAlign = midAngle > Math.PI / 2 ? 'right' : 'left';\n      } else {\n        if (!textAlign || textAlign === 'center') {\n          r = (layout.r + layout.r0) / 2;\n          textAlign = 'center';\n        } else if (textAlign === 'left') {\n          r = layout.r0 + labelPadding;\n\n          if (midAngle > Math.PI / 2) {\n            textAlign = 'right';\n          }\n        } else if (textAlign === 'right') {\n          r = layout.r - labelPadding;\n\n          if (midAngle > Math.PI / 2) {\n            textAlign = 'left';\n          }\n        }\n      }\n\n      state.style.align = textAlign;\n      state.style.verticalAlign = getLabelAttr(labelStateModel, 'verticalAlign') || 'middle';\n      state.x = r * dx + layout.cx;\n      state.y = r * dy + layout.cy;\n      var rotateType = getLabelAttr(labelStateModel, 'rotate');\n      var rotate = 0;\n\n      if (rotateType === 'radial') {\n        rotate = -midAngle;\n\n        if (rotate < -Math.PI / 2) {\n          rotate += Math.PI;\n        }\n      } else if (rotateType === 'tangential') {\n        rotate = Math.PI / 2 - midAngle;\n\n        if (rotate > Math.PI / 2) {\n          rotate -= Math.PI;\n        } else if (rotate < -Math.PI / 2) {\n          rotate += Math.PI;\n        }\n      } else if (typeof rotateType === 'number') {\n        rotate = rotateType * Math.PI / 180;\n      }\n\n      state.rotation = rotate;\n    });\n\n    function getLabelAttr(model, name) {\n      var stateAttr = model.get(name);\n\n      if (stateAttr == null) {\n        return normalLabelModel.get(name);\n      }\n\n      return stateAttr;\n    }\n\n    label.dirtyStyle();\n  };\n\n  return SunburstPiece;\n}(graphic.Sector);\n\nexport default SunburstPiece;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport ChartView from '../../view/Chart';\nimport SunburstPiece from './SunburstPiece';\nimport DataDiffer from '../../data/DataDiffer';\nimport { ROOT_TO_NODE_ACTION } from './sunburstAction';\nimport { windowOpen } from '../../util/format';\n\nvar SunburstView =\n/** @class */\nfunction (_super) {\n  __extends(SunburstView, _super);\n\n  function SunburstView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SunburstView.type;\n    return _this;\n  }\n\n  SunburstView.prototype.render = function (seriesModel, ecModel, api, // @ts-ignore\n  payload) {\n    var self = this;\n    this.seriesModel = seriesModel;\n    this.api = api;\n    this.ecModel = ecModel;\n    var data = seriesModel.getData();\n    var virtualRoot = data.tree.root;\n    var newRoot = seriesModel.getViewRoot();\n    var group = this.group;\n    var renderLabelForZeroData = seriesModel.get('renderLabelForZeroData');\n    var newChildren = [];\n    newRoot.eachNode(function (node) {\n      newChildren.push(node);\n    });\n    var oldChildren = this._oldChildren || [];\n    dualTravel(newChildren, oldChildren);\n    renderRollUp(virtualRoot, newRoot);\n\n    this._initEvents();\n\n    this._oldChildren = newChildren;\n\n    function dualTravel(newChildren, oldChildren) {\n      if (newChildren.length === 0 && oldChildren.length === 0) {\n        return;\n      }\n\n      new DataDiffer(oldChildren, newChildren, getKey, getKey).add(processNode).update(processNode).remove(zrUtil.curry(processNode, null)).execute();\n\n      function getKey(node) {\n        return node.getId();\n      }\n\n      function processNode(newIdx, oldIdx) {\n        var newNode = newIdx == null ? null : newChildren[newIdx];\n        var oldNode = oldIdx == null ? null : oldChildren[oldIdx];\n        doRenderNode(newNode, oldNode);\n      }\n    }\n\n    function doRenderNode(newNode, oldNode) {\n      if (!renderLabelForZeroData && newNode && !newNode.getValue()) {\n        // Not render data with value 0\n        newNode = null;\n      }\n\n      if (newNode !== virtualRoot && oldNode !== virtualRoot) {\n        if (oldNode && oldNode.piece) {\n          if (newNode) {\n            // Update\n            oldNode.piece.updateData(false, newNode, seriesModel, ecModel, api); // For tooltip\n\n            data.setItemGraphicEl(newNode.dataIndex, oldNode.piece);\n          } else {\n            // Remove\n            removeNode(oldNode);\n          }\n        } else if (newNode) {\n          // Add\n          var piece = new SunburstPiece(newNode, seriesModel, ecModel, api);\n          group.add(piece); // For tooltip\n\n          data.setItemGraphicEl(newNode.dataIndex, piece);\n        }\n      }\n    }\n\n    function removeNode(node) {\n      if (!node) {\n        return;\n      }\n\n      if (node.piece) {\n        group.remove(node.piece);\n        node.piece = null;\n      }\n    }\n\n    function renderRollUp(virtualRoot, viewRoot) {\n      if (viewRoot.depth > 0) {\n        // Render\n        if (self.virtualPiece) {\n          // Update\n          self.virtualPiece.updateData(false, virtualRoot, seriesModel, ecModel, api);\n        } else {\n          // Add\n          self.virtualPiece = new SunburstPiece(virtualRoot, seriesModel, ecModel, api);\n          group.add(self.virtualPiece);\n        } // TODO event scope\n\n\n        viewRoot.piece.off('click');\n        self.virtualPiece.on('click', function (e) {\n          self._rootToNode(viewRoot.parentNode);\n        });\n      } else if (self.virtualPiece) {\n        // Remove\n        group.remove(self.virtualPiece);\n        self.virtualPiece = null;\n      }\n    }\n  };\n  /**\n   * @private\n   */\n\n\n  SunburstView.prototype._initEvents = function () {\n    var _this = this;\n\n    this.group.off('click');\n    this.group.on('click', function (e) {\n      var targetFound = false;\n\n      var viewRoot = _this.seriesModel.getViewRoot();\n\n      viewRoot.eachNode(function (node) {\n        if (!targetFound && node.piece && node.piece === e.target) {\n          var nodeClick = node.getModel().get('nodeClick');\n\n          if (nodeClick === 'rootToNode') {\n            _this._rootToNode(node);\n          } else if (nodeClick === 'link') {\n            var itemModel = node.getModel();\n            var link = itemModel.get('link');\n\n            if (link) {\n              var linkTarget = itemModel.get('target', true) || '_blank';\n              windowOpen(link, linkTarget);\n            }\n          }\n\n          targetFound = true;\n        }\n      });\n    });\n  };\n  /**\n   * @private\n   */\n\n\n  SunburstView.prototype._rootToNode = function (node) {\n    if (node !== this.seriesModel.getViewRoot()) {\n      this.api.dispatchAction({\n        type: ROOT_TO_NODE_ACTION,\n        from: this.uid,\n        seriesId: this.seriesModel.id,\n        targetNode: node\n      });\n    }\n  };\n  /**\n   * @implement\n   */\n\n\n  SunburstView.prototype.containPoint = function (point, seriesModel) {\n    var treeRoot = seriesModel.getData();\n    var itemLayout = treeRoot.getItemLayout(0);\n\n    if (itemLayout) {\n      var dx = point[0] - itemLayout.cx;\n      var dy = point[1] - itemLayout.cy;\n      var radius = Math.sqrt(dx * dx + dy * dy);\n      return radius <= itemLayout.r && radius >= itemLayout.r0;\n    }\n  };\n\n  SunburstView.type = 'sunburst';\n  return SunburstView;\n}(ChartView);\n\nexport default SunburstView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { extend } from 'zrender/lib/core/util';\nimport { deprecateReplaceLog } from '../../util/log';\nimport { retrieveTargetInfo, aboveViewRoot } from '../helper/treeHelper';\nexport var ROOT_TO_NODE_ACTION = 'sunburstRootToNode';\nvar HIGHLIGHT_ACTION = 'sunburstHighlight';\nvar UNHIGHLIGHT_ACTION = 'sunburstUnhighlight';\nexport function installSunburstAction(registers) {\n  registers.registerAction({\n    type: ROOT_TO_NODE_ACTION,\n    update: 'updateView'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'series',\n      subType: 'sunburst',\n      query: payload\n    }, handleRootToNode);\n\n    function handleRootToNode(model, index) {\n      var targetInfo = retrieveTargetInfo(payload, [ROOT_TO_NODE_ACTION], model);\n\n      if (targetInfo) {\n        var originViewRoot = model.getViewRoot();\n\n        if (originViewRoot) {\n          payload.direction = aboveViewRoot(originViewRoot, targetInfo.node) ? 'rollUp' : 'drillDown';\n        }\n\n        model.resetViewRoot(targetInfo.node);\n      }\n    }\n  });\n  registers.registerAction({\n    type: HIGHLIGHT_ACTION,\n    update: 'none'\n  }, function (payload, ecModel, api) {\n    // Clone\n    payload = extend({}, payload);\n    ecModel.eachComponent({\n      mainType: 'series',\n      subType: 'sunburst',\n      query: payload\n    }, handleHighlight);\n\n    function handleHighlight(model) {\n      var targetInfo = retrieveTargetInfo(payload, [HIGHLIGHT_ACTION], model);\n\n      if (targetInfo) {\n        payload.dataIndex = targetInfo.node.dataIndex;\n      }\n    }\n\n    if (process.env.NODE_ENV !== 'production') {\n      deprecateReplaceLog('highlight', 'sunburstHighlight');\n    } // Fast forward action\n\n\n    api.dispatchAction(extend(payload, {\n      type: 'highlight'\n    }));\n  });\n  registers.registerAction({\n    type: UNHIGHLIGHT_ACTION,\n    update: 'updateView'\n  }, function (payload, ecModel, api) {\n    payload = extend({}, payload);\n\n    if (process.env.NODE_ENV !== 'production') {\n      deprecateReplaceLog('downplay', 'sunburstUnhighlight');\n    }\n\n    api.dispatchAction(extend(payload, {\n      type: 'downplay'\n    }));\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport SeriesModel from '../../model/Series';\nimport Tree from '../../data/Tree';\nimport { wrapTreePathInfo } from '../helper/treeHelper';\nimport Model from '../../model/Model';\nimport enableAriaDecalForTree from '../helper/enableAriaDecalForTree';\n\nvar SunburstSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(SunburstSeriesModel, _super);\n\n  function SunburstSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SunburstSeriesModel.type;\n    _this.ignoreStyleOnData = true;\n    return _this;\n  }\n\n  SunburstSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    // Create a virtual root.\n    var root = {\n      name: option.name,\n      children: option.data\n    };\n    completeTreeValue(root);\n    var levelModels = zrUtil.map(option.levels || [], function (levelDefine) {\n      return new Model(levelDefine, this, ecModel);\n    }, this); // Make sure always a new tree is created when setOption,\n    // in TreemapView, we check whether oldTree === newTree\n    // to choose mappings approach among old shapes and new shapes.\n\n    var tree = Tree.createTree(root, this, beforeLink);\n\n    function beforeLink(nodeData) {\n      nodeData.wrapMethod('getItemModel', function (model, idx) {\n        var node = tree.getNodeByDataIndex(idx);\n        var levelModel = levelModels[node.depth];\n        levelModel && (model.parentModel = levelModel);\n        return model;\n      });\n    }\n\n    return tree.data;\n  };\n\n  SunburstSeriesModel.prototype.optionUpdated = function () {\n    this.resetViewRoot();\n  };\n  /*\n   * @override\n   */\n\n\n  SunburstSeriesModel.prototype.getDataParams = function (dataIndex) {\n    var params = _super.prototype.getDataParams.apply(this, arguments);\n\n    var node = this.getData().tree.getNodeByDataIndex(dataIndex);\n    params.treePathInfo = wrapTreePathInfo(node, this);\n    return params;\n  };\n\n  SunburstSeriesModel.prototype.getViewRoot = function () {\n    return this._viewRoot;\n  };\n\n  SunburstSeriesModel.prototype.resetViewRoot = function (viewRoot) {\n    viewRoot ? this._viewRoot = viewRoot : viewRoot = this._viewRoot;\n    var root = this.getRawData().tree.root;\n\n    if (!viewRoot || viewRoot !== root && !root.contains(viewRoot)) {\n      this._viewRoot = root;\n    }\n  };\n\n  SunburstSeriesModel.prototype.enableAriaDecal = function () {\n    enableAriaDecalForTree(this);\n  };\n\n  SunburstSeriesModel.type = 'series.sunburst';\n  SunburstSeriesModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    // 默认全局居中\n    center: ['50%', '50%'],\n    radius: [0, '75%'],\n    // 默认顺时针\n    clockwise: true,\n    startAngle: 90,\n    // 最小角度改为0\n    minAngle: 0,\n    // If still show when all data zero.\n    stillShowZeroSum: true,\n    // 'rootToNode', 'link', or false\n    nodeClick: 'rootToNode',\n    renderLabelForZeroData: false,\n    label: {\n      // could be: 'radial', 'tangential', or 'none'\n      rotate: 'radial',\n      show: true,\n      opacity: 1,\n      // 'left' is for inner side of inside, and 'right' is for outter\n      // side for inside\n      align: 'center',\n      position: 'inside',\n      distance: 5,\n      silent: true\n    },\n    itemStyle: {\n      borderWidth: 1,\n      borderColor: 'white',\n      borderType: 'solid',\n      shadowBlur: 0,\n      shadowColor: 'rgba(0, 0, 0, 0.2)',\n      shadowOffsetX: 0,\n      shadowOffsetY: 0,\n      opacity: 1\n    },\n    emphasis: {\n      focus: 'descendant'\n    },\n    blur: {\n      itemStyle: {\n        opacity: 0.2\n      },\n      label: {\n        opacity: 0.1\n      }\n    },\n    // Animation type canbe expansion, scale\n    animationType: 'expansion',\n    animationDuration: 1000,\n    animationDurationUpdate: 500,\n    data: [],\n    levels: [],\n\n    /**\n     * Sort order.\n     *\n     * Valid values: 'desc', 'asc', null, or callback function.\n     * 'desc' and 'asc' for descend and ascendant order;\n     * null for not sorting;\n     * example of callback function:\n     * function(nodeA, nodeB) {\n     *     return nodeA.getValue() - nodeB.getValue();\n     * }\n     */\n    sort: 'desc'\n  };\n  return SunburstSeriesModel;\n}(SeriesModel);\n\nfunction completeTreeValue(dataNode) {\n  // Postorder travel tree.\n  // If value of none-leaf node is not set,\n  // calculate it by suming up the value of all children.\n  var sum = 0;\n  zrUtil.each(dataNode.children, function (child) {\n    completeTreeValue(child);\n    var childValue = child.value; // TODO First value of array must be a number\n\n    zrUtil.isArray(childValue) && (childValue = childValue[0]);\n    sum += childValue;\n  });\n  var thisValue = dataNode.value;\n\n  if (zrUtil.isArray(thisValue)) {\n    thisValue = thisValue[0];\n  }\n\n  if (thisValue == null || isNaN(thisValue)) {\n    thisValue = sum;\n  } // Value should not less than 0.\n\n\n  if (thisValue < 0) {\n    thisValue = 0;\n  }\n\n  zrUtil.isArray(dataNode.value) ? dataNode.value[0] = thisValue : dataNode.value = thisValue;\n}\n\nexport default SunburstSeriesModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { parsePercent } from '../../util/number';\nimport * as zrUtil from 'zrender/lib/core/util'; // let PI2 = Math.PI * 2;\n\nvar RADIAN = Math.PI / 180;\nexport default function sunburstLayout(seriesType, ecModel, api) {\n  ecModel.eachSeriesByType(seriesType, function (seriesModel) {\n    var center = seriesModel.get('center');\n    var radius = seriesModel.get('radius');\n\n    if (!zrUtil.isArray(radius)) {\n      radius = [0, radius];\n    }\n\n    if (!zrUtil.isArray(center)) {\n      center = [center, center];\n    }\n\n    var width = api.getWidth();\n    var height = api.getHeight();\n    var size = Math.min(width, height);\n    var cx = parsePercent(center[0], width);\n    var cy = parsePercent(center[1], height);\n    var r0 = parsePercent(radius[0], size / 2);\n    var r = parsePercent(radius[1], size / 2);\n    var startAngle = -seriesModel.get('startAngle') * RADIAN;\n    var minAngle = seriesModel.get('minAngle') * RADIAN;\n    var virtualRoot = seriesModel.getData().tree.root;\n    var treeRoot = seriesModel.getViewRoot();\n    var rootDepth = treeRoot.depth;\n    var sort = seriesModel.get('sort');\n\n    if (sort != null) {\n      initChildren(treeRoot, sort);\n    }\n\n    var validDataCount = 0;\n    zrUtil.each(treeRoot.children, function (child) {\n      !isNaN(child.getValue()) && validDataCount++;\n    });\n    var sum = treeRoot.getValue(); // Sum may be 0\n\n    var unitRadian = Math.PI / (sum || validDataCount) * 2;\n    var renderRollupNode = treeRoot.depth > 0;\n    var levels = treeRoot.height - (renderRollupNode ? -1 : 1);\n    var rPerLevel = (r - r0) / (levels || 1);\n    var clockwise = seriesModel.get('clockwise');\n    var stillShowZeroSum = seriesModel.get('stillShowZeroSum'); // In the case some sector angle is smaller than minAngle\n    // let restAngle = PI2;\n    // let valueSumLargerThanMinAngle = 0;\n\n    var dir = clockwise ? 1 : -1;\n    /**\n     * Render a tree\n     * @return increased angle\n     */\n\n    var renderNode = function (node, startAngle) {\n      if (!node) {\n        return;\n      }\n\n      var endAngle = startAngle; // Render self\n\n      if (node !== virtualRoot) {\n        // Tree node is virtual, so it doesn't need to be drawn\n        var value = node.getValue();\n        var angle = sum === 0 && stillShowZeroSum ? unitRadian : value * unitRadian;\n\n        if (angle < minAngle) {\n          angle = minAngle; // restAngle -= minAngle;\n        } // else {\n        //     valueSumLargerThanMinAngle += value;\n        // }\n\n\n        endAngle = startAngle + dir * angle;\n        var depth = node.depth - rootDepth - (renderRollupNode ? -1 : 1);\n        var rStart = r0 + rPerLevel * depth;\n        var rEnd = r0 + rPerLevel * (depth + 1);\n        var itemModel = node.getModel(); // @ts-ignore. TODO this is not provided to developer yet. Rename it.\n\n        if (itemModel.get('r0') != null) {\n          // @ts-ignore\n          rStart = parsePercent(itemModel.get('r0'), size / 2);\n        } // @ts-ignore\n\n\n        if (itemModel.get('r') != null) {\n          // @ts-ignore\n          rEnd = parsePercent(itemModel.get('r'), size / 2);\n        }\n\n        node.setLayout({\n          angle: angle,\n          startAngle: startAngle,\n          endAngle: endAngle,\n          clockwise: clockwise,\n          cx: cx,\n          cy: cy,\n          r0: rStart,\n          r: rEnd\n        });\n      } // Render children\n\n\n      if (node.children && node.children.length) {\n        // currentAngle = startAngle;\n        var siblingAngle_1 = 0;\n        zrUtil.each(node.children, function (node) {\n          siblingAngle_1 += renderNode(node, startAngle + siblingAngle_1);\n        });\n      }\n\n      return endAngle - startAngle;\n    }; // Virtual root node for roll up\n\n\n    if (renderRollupNode) {\n      var rStart = r0;\n      var rEnd = r0 + rPerLevel;\n      var angle = Math.PI * 2;\n      virtualRoot.setLayout({\n        angle: angle,\n        startAngle: startAngle,\n        endAngle: startAngle + angle,\n        clockwise: clockwise,\n        cx: cx,\n        cy: cy,\n        r0: rStart,\n        r: rEnd\n      });\n    }\n\n    renderNode(treeRoot, startAngle);\n  });\n}\n/**\n * Init node children by order and update visual\n */\n\nfunction initChildren(node, sortOrder) {\n  var children = node.children || [];\n  node.children = sort(children, sortOrder); // Init children recursively\n\n  if (children.length) {\n    zrUtil.each(node.children, function (child) {\n      initChildren(child, sortOrder);\n    });\n  }\n}\n/**\n * Sort children nodes\n *\n * @param {TreeNode[]}               children children of node to be sorted\n * @param {string | function | null} sort sort method\n *                                   See SunburstSeries.js for details.\n */\n\n\nfunction sort(children, sortOrder) {\n  if (typeof sortOrder === 'function') {\n    var sortTargets = zrUtil.map(children, function (child, idx) {\n      var value = child.getValue();\n      return {\n        params: {\n          depth: child.depth,\n          height: child.height,\n          dataIndex: child.dataIndex,\n          getValue: function () {\n            return value;\n          }\n        },\n        index: idx\n      };\n    });\n    sortTargets.sort(function (a, b) {\n      return sortOrder(a.params, b.params);\n    });\n    return zrUtil.map(sortTargets, function (target) {\n      return children[target.index];\n    });\n  } else {\n    var isAsc_1 = sortOrder === 'asc';\n    return children.sort(function (a, b) {\n      var diff = (a.getValue() - b.getValue()) * (isAsc_1 ? 1 : -1);\n      return diff === 0 ? (a.dataIndex - b.dataIndex) * (isAsc_1 ? -1 : 1) : diff;\n    });\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { extend } from 'zrender/lib/core/util';\nimport { lift } from 'zrender/lib/tool/color';\nexport default function sunburstVisual(ecModel) {\n  var paletteScope = {}; // Default color strategy\n\n  function pickColor(node, seriesModel, treeHeight) {\n    // Choose color from palette based on the first level.\n    var current = node;\n\n    while (current && current.depth > 1) {\n      current = current.parentNode;\n    }\n\n    var color = seriesModel.getColorFromPalette(current.name || current.dataIndex + '', paletteScope);\n\n    if (node.depth > 1 && typeof color === 'string') {\n      // Lighter on the deeper level.\n      color = lift(color, (node.depth - 1) / (treeHeight - 1) * 0.5);\n    }\n\n    return color;\n  }\n\n  ecModel.eachSeriesByType('sunburst', function (seriesModel) {\n    var data = seriesModel.getData();\n    var tree = data.tree;\n    tree.eachNode(function (node) {\n      var model = node.getModel();\n      var style = model.getModel('itemStyle').getItemStyle();\n\n      if (!style.fill) {\n        style.fill = pickColor(node, seriesModel, tree.root.height);\n      }\n\n      var existsStyle = data.ensureUniqueItemVisual(node.dataIndex, 'style');\n      extend(existsStyle, style);\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\n\nfunction dataToCoordSize(dataSize, dataItem) {\n  // dataItem is necessary in log axis.\n  dataItem = dataItem || [0, 0];\n  return zrUtil.map(['x', 'y'], function (dim, dimIdx) {\n    var axis = this.getAxis(dim);\n    var val = dataItem[dimIdx];\n    var halfSize = dataSize[dimIdx] / 2;\n    return axis.type === 'category' ? axis.getBandWidth() : Math.abs(axis.dataToCoord(val - halfSize) - axis.dataToCoord(val + halfSize));\n  }, this);\n}\n\nexport default function cartesianPrepareCustom(coordSys) {\n  var rect = coordSys.master.getRect();\n  return {\n    coordSys: {\n      // The name exposed to user is always 'cartesian2d' but not 'grid'.\n      type: 'cartesian2d',\n      x: rect.x,\n      y: rect.y,\n      width: rect.width,\n      height: rect.height\n    },\n    api: {\n      coord: function (data) {\n        // do not provide \"out\" param\n        return coordSys.dataToPoint(data);\n      },\n      size: zrUtil.bind(dataToCoordSize, coordSys)\n    }\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\n\nfunction dataToCoordSize(dataSize, dataItem) {\n  dataItem = dataItem || [0, 0];\n  return zrUtil.map([0, 1], function (dimIdx) {\n    var val = dataItem[dimIdx];\n    var halfSize = dataSize[dimIdx] / 2;\n    var p1 = [];\n    var p2 = [];\n    p1[dimIdx] = val - halfSize;\n    p2[dimIdx] = val + halfSize;\n    p1[1 - dimIdx] = p2[1 - dimIdx] = dataItem[1 - dimIdx];\n    return Math.abs(this.dataToPoint(p1)[dimIdx] - this.dataToPoint(p2)[dimIdx]);\n  }, this);\n}\n\nexport default function geoPrepareCustom(coordSys) {\n  var rect = coordSys.getBoundingRect();\n  return {\n    coordSys: {\n      type: 'geo',\n      x: rect.x,\n      y: rect.y,\n      width: rect.width,\n      height: rect.height,\n      zoom: coordSys.getZoom()\n    },\n    api: {\n      coord: function (data) {\n        // do not provide \"out\" and noRoam param,\n        // Compatible with this usage:\n        // echarts.util.map(item.points, api.coord)\n        return coordSys.dataToPoint(data);\n      },\n      size: zrUtil.bind(dataToCoordSize, coordSys)\n    }\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { bind } from 'zrender/lib/core/util';\n\nfunction dataToCoordSize(dataSize, dataItem) {\n  // dataItem is necessary in log axis.\n  var axis = this.getAxis();\n  var val = dataItem instanceof Array ? dataItem[0] : dataItem;\n  var halfSize = (dataSize instanceof Array ? dataSize[0] : dataSize) / 2;\n  return axis.type === 'category' ? axis.getBandWidth() : Math.abs(axis.dataToCoord(val - halfSize) - axis.dataToCoord(val + halfSize));\n}\n\nexport default function singlePrepareCustom(coordSys) {\n  var rect = coordSys.getRect();\n  return {\n    coordSys: {\n      type: 'singleAxis',\n      x: rect.x,\n      y: rect.y,\n      width: rect.width,\n      height: rect.height\n    },\n    api: {\n      coord: function (val) {\n        // do not provide \"out\" param\n        return coordSys.dataToPoint(val);\n      },\n      size: bind(dataToCoordSize, coordSys)\n    }\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util'; // import AngleAxis from './AngleAxis';\n\nfunction dataToCoordSize(dataSize, dataItem) {\n  // dataItem is necessary in log axis.\n  dataItem = dataItem || [0, 0];\n  return zrUtil.map(['Radius', 'Angle'], function (dim, dimIdx) {\n    var getterName = 'get' + dim + 'Axis'; // TODO: TYPE Check Angle Axis\n\n    var axis = this[getterName]();\n    var val = dataItem[dimIdx];\n    var halfSize = dataSize[dimIdx] / 2;\n    var result = axis.type === 'category' ? axis.getBandWidth() : Math.abs(axis.dataToCoord(val - halfSize) - axis.dataToCoord(val + halfSize));\n\n    if (dim === 'Angle') {\n      result = result * Math.PI / 180;\n    }\n\n    return result;\n  }, this);\n}\n\nexport default function polarPrepareCustom(coordSys) {\n  var radiusAxis = coordSys.getRadiusAxis();\n  var angleAxis = coordSys.getAngleAxis();\n  var radius = radiusAxis.getExtent();\n  radius[0] > radius[1] && radius.reverse();\n  return {\n    coordSys: {\n      type: 'polar',\n      cx: coordSys.cx,\n      cy: coordSys.cy,\n      r: radius[1],\n      r0: radius[0]\n    },\n    api: {\n      coord: function (data) {\n        var radius = radiusAxis.dataToRadius(data[0]);\n        var angle = angleAxis.dataToAngle(data[1]);\n        var coord = coordSys.coordToPoint([radius, angle]);\n        coord.push(radius, angle * Math.PI / 180);\n        return coord;\n      },\n      size: zrUtil.bind(dataToCoordSize, coordSys)\n    }\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { each, hasOwn } from 'zrender/lib/core/util';\nvar deprecatedLogs = {};\n/**\n * Whether need to call `convertEC4CompatibleStyle`.\n */\n\nexport function isEC4CompatibleStyle(style, elType, hasOwnTextContentOption, hasOwnTextConfig) {\n  // Since echarts5, `RectText` is separated from its host element and style.text\n  // does not exist any more. The compat work brings some extra burden on performance.\n  // So we provide:\n  // `legacy: true` force make compat.\n  // `legacy: false`, force do not compat.\n  // `legacy` not set: auto detect wheter legacy.\n  //     But in this case we do not compat (difficult to detect and rare case):\n  //     Becuse custom series and graphic component support \"merge\", users may firstly\n  //     only set `textStrokeWidth` style or secondly only set `text`.\n  return style && (style.legacy || style.legacy !== false && !hasOwnTextContentOption && !hasOwnTextConfig && elType !== 'tspan' // Difficult to detect whether legacy for a \"text\" el.\n  && (elType === 'text' || hasOwn(style, 'text')));\n}\n/**\n * `EC4CompatibleStyle` is style that might be in echarts4 format or echarts5 format.\n * @param hostStyle The properties might be modified.\n * @return If be text el, `textContentStyle` and `textConfig` will not be retured.\n *         Otherwise a `textContentStyle` and `textConfig` will be created, whose props area\n *         retried from the `hostStyle`.\n */\n\nexport function convertFromEC4CompatibleStyle(hostStyle, elType, isNormal) {\n  var srcStyle = hostStyle;\n  var textConfig;\n  var textContent;\n  var textContentStyle;\n\n  if (elType === 'text') {\n    textContentStyle = srcStyle;\n  } else {\n    textContentStyle = {};\n    hasOwn(srcStyle, 'text') && (textContentStyle.text = srcStyle.text);\n    hasOwn(srcStyle, 'rich') && (textContentStyle.rich = srcStyle.rich);\n    hasOwn(srcStyle, 'textFill') && (textContentStyle.fill = srcStyle.textFill);\n    hasOwn(srcStyle, 'textStroke') && (textContentStyle.stroke = srcStyle.textStroke);\n    textContent = {\n      type: 'text',\n      style: textContentStyle,\n      // ec4 do not support rectText trigger.\n      // And when text postion is different in normal and emphasis\n      // => hover text trigger emphasis;\n      // => text position changed, leave mouse pointer immediately;\n      // That might cause state incorrect.\n      silent: true\n    };\n    textConfig = {};\n    var hasOwnPos = hasOwn(srcStyle, 'textPosition');\n\n    if (isNormal) {\n      textConfig.position = hasOwnPos ? srcStyle.textPosition : 'inside';\n    } else {\n      hasOwnPos && (textConfig.position = srcStyle.textPosition);\n    }\n\n    hasOwn(srcStyle, 'textPosition') && (textConfig.position = srcStyle.textPosition);\n    hasOwn(srcStyle, 'textOffset') && (textConfig.offset = srcStyle.textOffset);\n    hasOwn(srcStyle, 'textRotation') && (textConfig.rotation = srcStyle.textRotation);\n    hasOwn(srcStyle, 'textDistance') && (textConfig.distance = srcStyle.textDistance);\n  }\n\n  convertEC4CompatibleRichItem(textContentStyle, hostStyle);\n  each(textContentStyle.rich, function (richItem) {\n    convertEC4CompatibleRichItem(richItem, richItem);\n  });\n  return {\n    textConfig: textConfig,\n    textContent: textContent\n  };\n}\n/**\n * The result will be set to `out`.\n */\n\nfunction convertEC4CompatibleRichItem(out, richItem) {\n  if (!richItem) {\n    return;\n  } // (1) For simplicity, make textXXX properties (deprecated since ec5) has\n  // higher priority. For example, consider in ec4 `borderColor: 5, textBorderColor: 10`\n  // on a rect means `borderColor: 4` on the rect and `borderColor: 10` on an attached\n  // richText in ec5.\n  // (2) `out === richItem` if and only if `out` is text el or rich item.\n  // So we can overwite existing props in `out` since textXXX has higher priority.\n\n\n  richItem.font = richItem.textFont || richItem.font;\n  hasOwn(richItem, 'textStrokeWidth') && (out.lineWidth = richItem.textStrokeWidth);\n  hasOwn(richItem, 'textAlign') && (out.align = richItem.textAlign);\n  hasOwn(richItem, 'textVerticalAlign') && (out.verticalAlign = richItem.textVerticalAlign);\n  hasOwn(richItem, 'textLineHeight') && (out.lineHeight = richItem.textLineHeight);\n  hasOwn(richItem, 'textWidth') && (out.width = richItem.textWidth);\n  hasOwn(richItem, 'textHeight') && (out.height = richItem.textHeight);\n  hasOwn(richItem, 'textBackgroundColor') && (out.backgroundColor = richItem.textBackgroundColor);\n  hasOwn(richItem, 'textPadding') && (out.padding = richItem.textPadding);\n  hasOwn(richItem, 'textBorderColor') && (out.borderColor = richItem.textBorderColor);\n  hasOwn(richItem, 'textBorderWidth') && (out.borderWidth = richItem.textBorderWidth);\n  hasOwn(richItem, 'textBorderRadius') && (out.borderRadius = richItem.textBorderRadius);\n  hasOwn(richItem, 'textBoxShadowColor') && (out.shadowColor = richItem.textBoxShadowColor);\n  hasOwn(richItem, 'textBoxShadowBlur') && (out.shadowBlur = richItem.textBoxShadowBlur);\n  hasOwn(richItem, 'textBoxShadowOffsetX') && (out.shadowOffsetX = richItem.textBoxShadowOffsetX);\n  hasOwn(richItem, 'textBoxShadowOffsetY') && (out.shadowOffsetY = richItem.textBoxShadowOffsetY);\n}\n/**\n * Convert to pure echarts4 format style.\n * `itemStyle` will be modified, added with ec4 style properties from\n * `textStyle` and `textConfig`.\n *\n * [Caveat]: For simplicity, `insideRollback` in ec4 does not compat, where\n * `styleEmphasis: {textFill: 'red'}` will remove the normal auto added stroke.\n */\n\n\nexport function convertToEC4StyleForCustomSerise(itemStl, txStl, txCfg) {\n  var out = itemStl; // See `custom.ts`, a trick to set extra `textPosition` firstly.\n\n  out.textPosition = out.textPosition || txCfg.position || 'inside';\n  txCfg.offset != null && (out.textOffset = txCfg.offset);\n  txCfg.rotation != null && (out.textRotation = txCfg.rotation);\n  txCfg.distance != null && (out.textDistance = txCfg.distance);\n  var isInside = out.textPosition.indexOf('inside') >= 0;\n  var hostFill = itemStl.fill || '#000';\n  convertToEC4RichItem(out, txStl);\n  var textFillNotSet = out.textFill == null;\n\n  if (isInside) {\n    if (textFillNotSet) {\n      out.textFill = txCfg.insideFill || '#fff';\n      !out.textStroke && txCfg.insideStroke && (out.textStroke = txCfg.insideStroke);\n      !out.textStroke && (out.textStroke = hostFill);\n      out.textStrokeWidth == null && (out.textStrokeWidth = 2);\n    }\n  } else {\n    if (textFillNotSet) {\n      out.textFill = itemStl.fill || txCfg.outsideFill || '#000';\n    }\n\n    !out.textStroke && txCfg.outsideStroke && (out.textStroke = txCfg.outsideStroke);\n  }\n\n  out.text = txStl.text;\n  out.rich = txStl.rich;\n  each(txStl.rich, function (richItem) {\n    convertToEC4RichItem(richItem, richItem);\n  });\n  return out;\n}\n\nfunction convertToEC4RichItem(out, richItem) {\n  if (!richItem) {\n    return;\n  }\n\n  hasOwn(richItem, 'fill') && (out.textFill = richItem.fill);\n  hasOwn(richItem, 'stroke') && (out.textStroke = richItem.fill);\n  hasOwn(richItem, 'lineWidth') && (out.textStrokeWidth = richItem.lineWidth);\n  hasOwn(richItem, 'font') && (out.font = richItem.font);\n  hasOwn(richItem, 'fontStyle') && (out.fontStyle = richItem.fontStyle);\n  hasOwn(richItem, 'fontWeight') && (out.fontWeight = richItem.fontWeight);\n  hasOwn(richItem, 'fontSize') && (out.fontSize = richItem.fontSize);\n  hasOwn(richItem, 'fontFamily') && (out.fontFamily = richItem.fontFamily);\n  hasOwn(richItem, 'align') && (out.textAlign = richItem.align);\n  hasOwn(richItem, 'verticalAlign') && (out.textVerticalAlign = richItem.verticalAlign);\n  hasOwn(richItem, 'lineHeight') && (out.textLineHeight = richItem.lineHeight);\n  hasOwn(richItem, 'width') && (out.textWidth = richItem.width);\n  hasOwn(richItem, 'height') && (out.textHeight = richItem.height);\n  hasOwn(richItem, 'backgroundColor') && (out.textBackgroundColor = richItem.backgroundColor);\n  hasOwn(richItem, 'padding') && (out.textPadding = richItem.padding);\n  hasOwn(richItem, 'borderColor') && (out.textBorderColor = richItem.borderColor);\n  hasOwn(richItem, 'borderWidth') && (out.textBorderWidth = richItem.borderWidth);\n  hasOwn(richItem, 'borderRadius') && (out.textBorderRadius = richItem.borderRadius);\n  hasOwn(richItem, 'shadowColor') && (out.textBoxShadowColor = richItem.shadowColor);\n  hasOwn(richItem, 'shadowBlur') && (out.textBoxShadowBlur = richItem.shadowBlur);\n  hasOwn(richItem, 'shadowOffsetX') && (out.textBoxShadowOffsetX = richItem.shadowOffsetX);\n  hasOwn(richItem, 'shadowOffsetY') && (out.textBoxShadowOffsetY = richItem.shadowOffsetY);\n  hasOwn(richItem, 'textShadowColor') && (out.textShadowColor = richItem.textShadowColor);\n  hasOwn(richItem, 'textShadowBlur') && (out.textShadowBlur = richItem.textShadowBlur);\n  hasOwn(richItem, 'textShadowOffsetX') && (out.textShadowOffsetX = richItem.textShadowOffsetX);\n  hasOwn(richItem, 'textShadowOffsetY') && (out.textShadowOffsetY = richItem.textShadowOffsetY);\n}\n\nexport function warnDeprecated(deprecated, insteadApproach) {\n  if (process.env.NODE_ENV !== 'production') {\n    var key = deprecated + '^_^' + insteadApproach;\n\n    if (!deprecatedLogs[key]) {\n      console.warn(\"[ECharts] DEPRECATED: \\\"\" + deprecated + \"\\\" has been deprecated. \" + insteadApproach);\n      deprecatedLogs[key] = true;\n    }\n  }\n}","import PathProxy from '../core/PathProxy';\nimport { cubicSubdivide } from '../core/curve';\nimport { defaults, assert, noop, clone } from '../core/util';\nimport { lerp } from '../core/vector';\nimport Rect from '../graphic/shape/Rect';\nimport Sector from '../graphic/shape/Sector';\nvar CMD = PathProxy.CMD;\nvar PI2 = Math.PI * 2;\nvar PROP_XY = ['x', 'y'];\nvar PROP_WH = ['width', 'height'];\nvar tmpArr = [];\nfunction aroundEqual(a, b) {\n    return Math.abs(a - b) < 1e-5;\n}\nexport function pathToBezierCurves(path) {\n    var data = path.data;\n    var len = path.len();\n    var bezierArray = [];\n    var currentSubpath;\n    var xi = 0;\n    var yi = 0;\n    var x0 = 0;\n    var y0 = 0;\n    function createNewSubpath(x, y) {\n        if (currentSubpath && currentSubpath.length > 2) {\n            bezierArray.push(currentSubpath);\n        }\n        currentSubpath = [x, y];\n    }\n    function addLine(x0, y0, x1, y1) {\n        if (!(aroundEqual(x0, x1) && aroundEqual(y0, y1))) {\n            currentSubpath.push(x0, y0, x1, y1, x1, y1);\n        }\n    }\n    function addArc(startAngle, endAngle, cx, cy, rx, ry) {\n        var delta = Math.abs(endAngle - startAngle);\n        var len = Math.tan(delta / 4) * 4 / 3;\n        var dir = endAngle < startAngle ? -1 : 1;\n        var c1 = Math.cos(startAngle);\n        var s1 = Math.sin(startAngle);\n        var c2 = Math.cos(endAngle);\n        var s2 = Math.sin(endAngle);\n        var x1 = c1 * rx + cx;\n        var y1 = s1 * ry + cy;\n        var x4 = c2 * rx + cx;\n        var y4 = s2 * ry + cy;\n        var hx = rx * len * dir;\n        var hy = ry * len * dir;\n        currentSubpath.push(x1 - hx * s1, y1 + hy * c1, x4 + hx * s2, y4 - hy * c2, x4, y4);\n    }\n    var x1;\n    var y1;\n    var x2;\n    var y2;\n    for (var i = 0; i < len;) {\n        var cmd = data[i++];\n        var isFirst = i === 1;\n        if (isFirst) {\n            xi = data[i];\n            yi = data[i + 1];\n            x0 = xi;\n            y0 = yi;\n            if (cmd === CMD.L || cmd === CMD.C || cmd === CMD.Q) {\n                currentSubpath = [x0, y0];\n            }\n        }\n        switch (cmd) {\n            case CMD.M:\n                xi = x0 = data[i++];\n                yi = y0 = data[i++];\n                createNewSubpath(x0, y0);\n                break;\n            case CMD.L:\n                x1 = data[i++];\n                y1 = data[i++];\n                addLine(xi, yi, x1, y1);\n                xi = x1;\n                yi = y1;\n                break;\n            case CMD.C:\n                currentSubpath.push(data[i++], data[i++], data[i++], data[i++], xi = data[i++], yi = data[i++]);\n                break;\n            case CMD.Q:\n                x1 = data[i++];\n                y1 = data[i++];\n                x2 = data[i++];\n                y2 = data[i++];\n                currentSubpath.push(xi + 2 / 3 * (x1 - xi), yi + 2 / 3 * (y1 - yi), x2 + 2 / 3 * (x1 - x2), y2 + 2 / 3 * (y1 - y2), x2, y2);\n                xi = x2;\n                yi = y2;\n                break;\n            case CMD.A:\n                var cx = data[i++];\n                var cy = data[i++];\n                var rx = data[i++];\n                var ry = data[i++];\n                var startAngle = data[i++];\n                var endAngle = data[i++] + startAngle;\n                i += 1;\n                var anticlockwise = !data[i++];\n                x1 = Math.cos(startAngle) * rx + cx;\n                y1 = Math.sin(startAngle) * ry + cy;\n                if (isFirst) {\n                    x0 = x1;\n                    y0 = y1;\n                    createNewSubpath(x0, y0);\n                }\n                else {\n                    addLine(xi, yi, x1, y1);\n                }\n                xi = Math.cos(endAngle) * rx + cx;\n                yi = Math.sin(endAngle) * ry + cy;\n                var step = (anticlockwise ? -1 : 1) * Math.PI / 2;\n                for (var angle = startAngle; anticlockwise ? angle > endAngle : angle < endAngle; angle += step) {\n                    var nextAngle = anticlockwise ? Math.max(angle + step, endAngle)\n                        : Math.min(angle + step, endAngle);\n                    addArc(angle, nextAngle, cx, cy, rx, ry);\n                }\n                break;\n            case CMD.R:\n                x0 = xi = data[i++];\n                y0 = yi = data[i++];\n                x1 = x0 + data[i++];\n                y1 = y0 + data[i++];\n                createNewSubpath(x1, y0);\n                addLine(x1, y0, x1, y1);\n                addLine(x1, y1, x0, y1);\n                addLine(x0, y1, x0, y0);\n                addLine(x0, y0, x1, y0);\n                break;\n            case CMD.Z:\n                currentSubpath && addLine(xi, yi, x0, y0);\n                xi = x0;\n                yi = y0;\n                break;\n        }\n    }\n    if (currentSubpath && currentSubpath.length > 2) {\n        bezierArray.push(currentSubpath);\n    }\n    return bezierArray;\n}\nfunction alignSubpath(subpath1, subpath2) {\n    var len1 = subpath1.length;\n    var len2 = subpath2.length;\n    if (len1 === len2) {\n        return [subpath1, subpath2];\n    }\n    var shorterPath = len1 < len2 ? subpath1 : subpath2;\n    var shorterLen = Math.min(len1, len2);\n    var diff = Math.abs(len2 - len1) / 6;\n    var shorterBezierCount = (shorterLen - 2) / 6;\n    var eachCurveSubDivCount = Math.ceil(diff / shorterBezierCount) + 1;\n    var newSubpath = [shorterPath[0], shorterPath[1]];\n    var remained = diff;\n    var tmpSegX = [];\n    var tmpSegY = [];\n    for (var i = 2; i < shorterLen;) {\n        var x0 = shorterPath[i - 2];\n        var y0 = shorterPath[i - 1];\n        var x1 = shorterPath[i++];\n        var y1 = shorterPath[i++];\n        var x2 = shorterPath[i++];\n        var y2 = shorterPath[i++];\n        var x3 = shorterPath[i++];\n        var y3 = shorterPath[i++];\n        if (remained <= 0) {\n            newSubpath.push(x1, y1, x2, y2, x3, y3);\n            continue;\n        }\n        var actualSubDivCount = Math.min(remained, eachCurveSubDivCount - 1) + 1;\n        for (var k = 1; k <= actualSubDivCount; k++) {\n            var p = k / actualSubDivCount;\n            cubicSubdivide(x0, x1, x2, x3, p, tmpSegX);\n            cubicSubdivide(y0, y1, y2, y3, p, tmpSegY);\n            x0 = tmpSegX[3];\n            y0 = tmpSegY[3];\n            newSubpath.push(tmpSegX[1], tmpSegY[1], tmpSegX[2], tmpSegY[2], x0, y0);\n            x1 = tmpSegX[5];\n            y1 = tmpSegY[5];\n            x2 = tmpSegX[6];\n            y2 = tmpSegY[6];\n        }\n        remained -= actualSubDivCount - 1;\n    }\n    return shorterPath === subpath1 ? [newSubpath, subpath2] : [subpath1, newSubpath];\n}\nfunction createSubpath(lastSubpathSubpath, otherSubpath) {\n    var len = lastSubpathSubpath.length;\n    var lastX = lastSubpathSubpath[len - 2];\n    var lastY = lastSubpathSubpath[len - 1];\n    var newSubpath = [];\n    for (var i = 0; i < otherSubpath.length;) {\n        newSubpath[i++] = lastX;\n        newSubpath[i++] = lastY;\n    }\n    return newSubpath;\n}\nexport function alignBezierCurves(array1, array2) {\n    var _a;\n    var lastSubpath1;\n    var lastSubpath2;\n    var newArray1 = [];\n    var newArray2 = [];\n    for (var i = 0; i < Math.max(array1.length, array2.length); i++) {\n        var subpath1 = array1[i];\n        var subpath2 = array2[i];\n        var newSubpath1 = void 0;\n        var newSubpath2 = void 0;\n        if (!subpath1) {\n            newSubpath1 = createSubpath(lastSubpath1 || subpath2, subpath2);\n            newSubpath2 = subpath2;\n        }\n        else if (!subpath2) {\n            newSubpath2 = createSubpath(lastSubpath2 || subpath1, subpath1);\n            newSubpath1 = subpath1;\n        }\n        else {\n            _a = alignSubpath(subpath1, subpath2), newSubpath1 = _a[0], newSubpath2 = _a[1];\n            lastSubpath1 = newSubpath1;\n            lastSubpath2 = newSubpath2;\n        }\n        newArray1.push(newSubpath1);\n        newArray2.push(newSubpath2);\n    }\n    return [newArray1, newArray2];\n}\nexport function centroid(array) {\n    var signedArea = 0;\n    var cx = 0;\n    var cy = 0;\n    var len = array.length;\n    for (var i = 0, j = len - 2; i < len; j = i, i += 2) {\n        var x0 = array[j];\n        var y0 = array[j + 1];\n        var x1 = array[i];\n        var y1 = array[i + 1];\n        var a = x0 * y1 - x1 * y0;\n        signedArea += a;\n        cx += (x0 + x1) * a;\n        cy += (y0 + y1) * a;\n    }\n    if (signedArea === 0) {\n        return [array[0] || 0, array[1] || 0];\n    }\n    return [cx / signedArea / 3, cy / signedArea / 3, signedArea];\n}\nfunction findBestRingOffset(fromSubBeziers, toSubBeziers, fromCp, toCp) {\n    var bezierCount = (fromSubBeziers.length - 2) / 6;\n    var bestScore = Infinity;\n    var bestOffset = 0;\n    var len = fromSubBeziers.length;\n    var len2 = len - 2;\n    for (var offset = 0; offset < bezierCount; offset++) {\n        var cursorOffset = offset * 6;\n        var score = 0;\n        for (var k = 0; k < len; k += 2) {\n            var idx = k === 0 ? cursorOffset : ((cursorOffset + k - 2) % len2 + 2);\n            var x0 = fromSubBeziers[idx] - fromCp[0];\n            var y0 = fromSubBeziers[idx + 1] - fromCp[1];\n            var x1 = toSubBeziers[k] - toCp[0];\n            var y1 = toSubBeziers[k + 1] - toCp[1];\n            var dx = x1 - x0;\n            var dy = y1 - y0;\n            score += dx * dx + dy * dy;\n        }\n        if (score < bestScore) {\n            bestScore = score;\n            bestOffset = offset;\n        }\n    }\n    return bestOffset;\n}\nfunction reverse(array) {\n    var newArr = [];\n    var len = array.length;\n    for (var i = 0; i < len; i += 2) {\n        newArr[i] = array[len - i - 2];\n        newArr[i + 1] = array[len - i - 1];\n    }\n    return newArr;\n}\nfunction findBestMorphingRotation(fromArr, toArr, searchAngleIteration, searchAngleRange) {\n    var result = [];\n    var fromNeedsReverse;\n    for (var i = 0; i < fromArr.length; i++) {\n        var fromSubpathBezier = fromArr[i];\n        var toSubpathBezier = toArr[i];\n        var fromCp = centroid(fromSubpathBezier);\n        var toCp = centroid(toSubpathBezier);\n        if (fromNeedsReverse == null) {\n            fromNeedsReverse = fromCp[2] < 0 !== toCp[2] < 0;\n        }\n        var newFromSubpathBezier = [];\n        var newToSubpathBezier = [];\n        var bestAngle = 0;\n        var bestScore = Infinity;\n        var tmpArr_1 = [];\n        var len = fromSubpathBezier.length;\n        if (fromNeedsReverse) {\n            fromSubpathBezier = reverse(fromSubpathBezier);\n        }\n        var offset = findBestRingOffset(fromSubpathBezier, toSubpathBezier, fromCp, toCp) * 6;\n        var len2 = len - 2;\n        for (var k = 0; k < len2; k += 2) {\n            var idx = (offset + k) % len2 + 2;\n            newFromSubpathBezier[k + 2] = fromSubpathBezier[idx] - fromCp[0];\n            newFromSubpathBezier[k + 3] = fromSubpathBezier[idx + 1] - fromCp[1];\n        }\n        newFromSubpathBezier[0] = fromSubpathBezier[offset] - fromCp[0];\n        newFromSubpathBezier[1] = fromSubpathBezier[offset + 1] - fromCp[1];\n        if (searchAngleIteration > 0) {\n            var step = searchAngleRange / searchAngleIteration;\n            for (var angle = -searchAngleRange / 2; angle <= searchAngleRange / 2; angle += step) {\n                var sa = Math.sin(angle);\n                var ca = Math.cos(angle);\n                var score = 0;\n                for (var k = 0; k < fromSubpathBezier.length; k += 2) {\n                    var x0 = newFromSubpathBezier[k];\n                    var y0 = newFromSubpathBezier[k + 1];\n                    var x1 = toSubpathBezier[k] - toCp[0];\n                    var y1 = toSubpathBezier[k + 1] - toCp[1];\n                    var newX1 = x1 * ca - y1 * sa;\n                    var newY1 = x1 * sa + y1 * ca;\n                    tmpArr_1[k] = newX1;\n                    tmpArr_1[k + 1] = newY1;\n                    var dx = newX1 - x0;\n                    var dy = newY1 - y0;\n                    score += dx * dx + dy * dy;\n                }\n                if (score < bestScore) {\n                    bestScore = score;\n                    bestAngle = angle;\n                    for (var m = 0; m < tmpArr_1.length; m++) {\n                        newToSubpathBezier[m] = tmpArr_1[m];\n                    }\n                }\n            }\n        }\n        else {\n            for (var i_1 = 0; i_1 < len; i_1 += 2) {\n                newToSubpathBezier[i_1] = toSubpathBezier[i_1] - toCp[0];\n                newToSubpathBezier[i_1 + 1] = toSubpathBezier[i_1 + 1] - toCp[1];\n            }\n        }\n        result.push({\n            from: newFromSubpathBezier,\n            to: newToSubpathBezier,\n            fromCp: fromCp,\n            toCp: toCp,\n            rotation: -bestAngle\n        });\n    }\n    return result;\n}\nexport function morphPath(fromPath, toPath, animationOpts) {\n    var fromPathProxy;\n    var toPathProxy;\n    if (!fromPath || !toPath) {\n        return toPath;\n    }\n    !fromPath.path && fromPath.createPathProxy();\n    fromPathProxy = fromPath.path;\n    fromPathProxy.beginPath();\n    fromPath.buildPath(fromPathProxy, fromPath.shape);\n    !toPath.path && toPath.createPathProxy();\n    toPathProxy = toPath.path;\n    toPathProxy === fromPathProxy && (toPathProxy = new PathProxy(false));\n    toPathProxy.beginPath();\n    if (isIndividualMorphingPath(toPath)) {\n        toPath.__oldBuildPath(toPathProxy, toPath.shape);\n    }\n    else {\n        toPath.buildPath(toPathProxy, toPath.shape);\n    }\n    var _a = alignBezierCurves(pathToBezierCurves(fromPathProxy), pathToBezierCurves(toPathProxy)), fromBezierCurves = _a[0], toBezierCurves = _a[1];\n    var morphingData = findBestMorphingRotation(fromBezierCurves, toBezierCurves, 10, Math.PI);\n    becomeIndividualMorphingPath(toPath, morphingData, 0);\n    var oldDone = animationOpts && animationOpts.done;\n    var oldAborted = animationOpts && animationOpts.aborted;\n    var oldDuring = animationOpts && animationOpts.during;\n    toPath.animateTo({\n        __morphT: 1\n    }, defaults({\n        during: function (p) {\n            toPath.dirtyShape();\n            oldDuring && oldDuring(p);\n        },\n        done: function () {\n            restoreIndividualMorphingPath(toPath);\n            toPath.createPathProxy();\n            toPath.dirtyShape();\n            oldDone && oldDone();\n        },\n        aborted: function () {\n            oldAborted && oldAborted();\n        }\n    }, animationOpts));\n    return toPath;\n}\nfunction morphingPathBuildPath(path) {\n    var morphingData = this.__morphingData;\n    var t = this.__morphT;\n    var onet = 1 - t;\n    var newCp = [];\n    for (var i = 0; i < morphingData.length; i++) {\n        var item = morphingData[i];\n        var from = item.from;\n        var to = item.to;\n        var angle = item.rotation * t;\n        var fromCp = item.fromCp;\n        var toCp = item.toCp;\n        var sa = Math.sin(angle);\n        var ca = Math.cos(angle);\n        lerp(newCp, fromCp, toCp, t);\n        for (var m = 0; m < from.length; m += 2) {\n            var x0 = from[m];\n            var y0 = from[m + 1];\n            var x1 = to[m];\n            var y1 = to[m + 1];\n            var x = x0 * onet + x1 * t;\n            var y = y0 * onet + y1 * t;\n            tmpArr[m] = (x * ca - y * sa) + newCp[0];\n            tmpArr[m + 1] = (x * sa + y * ca) + newCp[1];\n        }\n        for (var m = 0; m < from.length;) {\n            if (m === 0) {\n                path.moveTo(tmpArr[m++], tmpArr[m++]);\n            }\n            path.bezierCurveTo(tmpArr[m++], tmpArr[m++], tmpArr[m++], tmpArr[m++], tmpArr[m++], tmpArr[m++]);\n        }\n    }\n}\n;\nfunction becomeIndividualMorphingPath(path, morphingData, morphT) {\n    if (isIndividualMorphingPath(path)) {\n        updateIndividualMorphingPath(path, morphingData, morphT);\n        return;\n    }\n    var morphingPath = path;\n    morphingPath.__oldBuildPath = morphingPath.buildPath;\n    morphingPath.buildPath = morphingPathBuildPath;\n    updateIndividualMorphingPath(morphingPath, morphingData, morphT);\n}\nfunction updateIndividualMorphingPath(morphingPath, morphingData, morphT) {\n    morphingPath.__morphingData = morphingData;\n    morphingPath.__morphT = morphT;\n}\nfunction restoreIndividualMorphingPath(path) {\n    if (isIndividualMorphingPath(path)) {\n        path.buildPath = path.__oldBuildPath;\n        path.__oldBuildPath = path.__morphingData = null;\n    }\n}\nfunction isIndividualMorphingPath(path) {\n    return path.__oldBuildPath != null;\n}\nexport function isCombiningPath(path) {\n    return !!path.__combiningSubList;\n}\nexport function isInAnyMorphing(path) {\n    return isIndividualMorphingPath(path) || isCombiningPath(path);\n}\nexport function combine(fromPathList, toPath, animationOpts, copyPropsIfDivided) {\n    var fromIndividuals = [];\n    var separateCount = 0;\n    for (var i = 0; i < fromPathList.length; i++) {\n        var fromPath = fromPathList[i];\n        if (isCombiningPath(fromPath)) {\n            var fromCombiningSubList = fromPath.__combiningSubList;\n            for (var j = 0; j < fromCombiningSubList.length; j++) {\n                fromIndividuals.push(fromCombiningSubList[j]);\n            }\n            separateCount += fromCombiningSubList.length;\n        }\n        else {\n            fromIndividuals.push(fromPath);\n            separateCount++;\n        }\n    }\n    if (!separateCount) {\n        return;\n    }\n    var dividingMethod = animationOpts ? animationOpts.dividingMethod : null;\n    var toPathSplittedList = divideShape(toPath, separateCount, dividingMethod);\n    assert(toPathSplittedList.length === separateCount);\n    var oldDone = animationOpts && animationOpts.done;\n    var oldAborted = animationOpts && animationOpts.aborted;\n    var oldDuring = animationOpts && animationOpts.during;\n    var doneCount = 0;\n    var abortedCalled = false;\n    var morphAnimationOpts = defaults({\n        during: function (p) {\n            oldDuring && oldDuring(p);\n        },\n        done: function () {\n            doneCount++;\n            if (doneCount === toPathSplittedList.length) {\n                restoreCombiningPath(toPath);\n                oldDone && oldDone();\n            }\n        },\n        aborted: function () {\n            if (!abortedCalled) {\n                abortedCalled = true;\n                oldAborted && oldAborted();\n            }\n        }\n    }, animationOpts);\n    for (var i = 0; i < separateCount; i++) {\n        var from = fromIndividuals[i];\n        var to = toPathSplittedList[i];\n        copyPropsIfDivided && copyPropsIfDivided(toPath, to, true);\n        morphPath(from, to, morphAnimationOpts);\n    }\n    becomeCombiningPath(toPath, toPathSplittedList);\n    return {\n        fromIndividuals: fromIndividuals,\n        toIndividuals: toPathSplittedList,\n        count: separateCount\n    };\n}\nfunction becomeCombiningPath(path, combiningSubList) {\n    if (isCombiningPath(path)) {\n        updateCombiningPathSubList(path, combiningSubList);\n        return;\n    }\n    var combiningPath = path;\n    updateCombiningPathSubList(combiningPath, combiningSubList);\n    combiningPath.__oldAddSelfToZr = path.addSelfToZr;\n    combiningPath.__oldRemoveSelfFromZr = path.removeSelfFromZr;\n    combiningPath.addSelfToZr = combiningAddSelfToZr;\n    combiningPath.removeSelfFromZr = combiningRemoveSelfFromZr;\n    combiningPath.__oldBuildPath = combiningPath.buildPath;\n    combiningPath.buildPath = noop;\n    combiningPath.childrenRef = combiningChildrenRef;\n}\nfunction restoreCombiningPath(path) {\n    if (!isCombiningPath(path)) {\n        return;\n    }\n    var combiningPath = path;\n    updateCombiningPathSubList(combiningPath, null);\n    combiningPath.addSelfToZr = combiningPath.__oldAddSelfToZr;\n    combiningPath.removeSelfFromZr = combiningPath.__oldRemoveSelfFromZr;\n    combiningPath.buildPath = combiningPath.__oldBuildPath;\n    combiningPath.childrenRef =\n        combiningPath.__combiningSubList =\n            combiningPath.__oldAddSelfToZr =\n                combiningPath.__oldRemoveSelfFromZr =\n                    combiningPath.__oldBuildPath = null;\n}\nfunction updateCombiningPathSubList(combiningPath, combiningSubList) {\n    if (combiningPath.__combiningSubList !== combiningSubList) {\n        combiningPathSubListAddRemoveWithZr(combiningPath, 'removeSelfFromZr');\n        combiningPath.__combiningSubList = combiningSubList;\n        if (combiningSubList) {\n            for (var i = 0; i < combiningSubList.length; i++) {\n                combiningSubList[i].parent = combiningPath;\n            }\n        }\n        combiningPathSubListAddRemoveWithZr(combiningPath, 'addSelfToZr');\n    }\n}\nfunction combiningAddSelfToZr(zr) {\n    this.__oldAddSelfToZr(zr);\n    combiningPathSubListAddRemoveWithZr(this, 'addSelfToZr');\n}\nfunction combiningPathSubListAddRemoveWithZr(path, method) {\n    var combiningSubList = path.__combiningSubList;\n    var zr = path.__zr;\n    if (combiningSubList && zr) {\n        for (var i = 0; i < combiningSubList.length; i++) {\n            var child = combiningSubList[i];\n            child[method](zr);\n        }\n    }\n}\nfunction combiningRemoveSelfFromZr(zr) {\n    this.__oldRemoveSelfFromZr(zr);\n    var combiningSubList = this.__combiningSubList;\n    for (var i = 0; i < combiningSubList.length; i++) {\n        var child = combiningSubList[i];\n        child.removeSelfFromZr(zr);\n    }\n}\nfunction combiningChildrenRef() {\n    return this.__combiningSubList;\n}\nexport function separate(fromPath, toPathList, animationOpts, copyPropsIfDivided) {\n    var toPathListLen = toPathList.length;\n    var fromPathList;\n    var dividingMethod = animationOpts ? animationOpts.dividingMethod : null;\n    var copyProps = false;\n    if (isCombiningPath(fromPath)) {\n        var fromCombiningSubList = fromPath.__combiningSubList;\n        if (fromCombiningSubList.length === toPathListLen) {\n            fromPathList = fromCombiningSubList;\n        }\n        else {\n            fromPathList = divideShape(fromPath, toPathListLen, dividingMethod);\n            copyProps = true;\n        }\n    }\n    else {\n        fromPathList = divideShape(fromPath, toPathListLen, dividingMethod);\n        copyProps = true;\n    }\n    assert(fromPathList.length === toPathListLen);\n    for (var i = 0; i < toPathListLen; i++) {\n        if (copyProps && copyPropsIfDivided) {\n            copyPropsIfDivided(fromPath, fromPathList[i], false);\n        }\n        morphPath(fromPathList[i], toPathList[i], animationOpts);\n    }\n    return {\n        fromIndividuals: fromPathList,\n        toIndividuals: toPathList,\n        count: toPathListLen\n    };\n}\nfunction divideShape(path, separateCount, dividingMethod) {\n    return dividingMethod === 'duplicate'\n        ? duplicateShape(path, separateCount)\n        : splitShape(path, separateCount);\n}\nfunction splitShape(path, separateCount) {\n    var resultPaths = [];\n    if (separateCount <= 0) {\n        return resultPaths;\n    }\n    if (separateCount === 1) {\n        return duplicateShape(path, separateCount);\n    }\n    if (path instanceof Rect) {\n        var toPathShape = path.shape;\n        var splitPropIdx = toPathShape.height > toPathShape.width ? 1 : 0;\n        var propWH = PROP_WH[splitPropIdx];\n        var propXY = PROP_XY[splitPropIdx];\n        var subWH = toPathShape[propWH] / separateCount;\n        var xyCurr = toPathShape[propXY];\n        for (var i = 0; i < separateCount; i++, xyCurr += subWH) {\n            var subShape = {\n                x: toPathShape.x,\n                y: toPathShape.y,\n                width: toPathShape.width,\n                height: toPathShape.height\n            };\n            subShape[propXY] = xyCurr;\n            subShape[propWH] = i < separateCount - 1\n                ? subWH\n                : toPathShape[propXY] + toPathShape[propWH] - xyCurr;\n            var splitted = new Rect({ shape: subShape });\n            resultPaths.push(splitted);\n        }\n    }\n    else if (path instanceof Sector) {\n        var toPathShape = path.shape;\n        var clockwise = toPathShape.clockwise;\n        var startAngle = toPathShape.startAngle;\n        var endAngle = toPathShape.endAngle;\n        var endAngleNormalized = normalizeRadian(startAngle, toPathShape.endAngle, clockwise);\n        var step = (endAngleNormalized - startAngle) / separateCount;\n        var angleCurr = startAngle;\n        for (var i = 0; i < separateCount; i++, angleCurr += step) {\n            var splitted = new Sector({\n                shape: {\n                    cx: toPathShape.cx,\n                    cy: toPathShape.cy,\n                    r: toPathShape.r,\n                    r0: toPathShape.r0,\n                    clockwise: clockwise,\n                    startAngle: angleCurr,\n                    endAngle: i === separateCount - 1 ? endAngle : angleCurr + step\n                }\n            });\n            resultPaths.push(splitted);\n        }\n    }\n    else {\n        return duplicateShape(path, separateCount);\n    }\n    return resultPaths;\n}\nfunction duplicateShape(path, separateCount) {\n    var resultPaths = [];\n    if (separateCount <= 0) {\n        return resultPaths;\n    }\n    var ctor = path.constructor;\n    for (var i = 0; i < separateCount; i++) {\n        var sub = new ctor({\n            shape: clone(path.shape)\n        });\n        resultPaths.push(sub);\n    }\n    return resultPaths;\n}\nfunction normalizeRadian(start, end, clockwise) {\n    return end + PI2 * (Math[clockwise ? 'ceil' : 'floor']((start - end) / PI2));\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport { hasOwn, assert, isString, retrieve2, retrieve3, defaults, each, keys, isArrayLike, bind, isFunction, eqNaN, indexOf, clone } from 'zrender/lib/core/util';\nimport * as graphicUtil from '../../util/graphic';\nimport { setDefaultStateProxy, enableHoverEmphasis } from '../../util/states';\nimport * as labelStyleHelper from '../../label/labelStyle';\nimport { getDefaultLabel } from '../helper/labelHelper';\nimport createListFromArray from '../helper/createListFromArray';\nimport { getLayoutOnAxis } from '../../layout/barGrid';\nimport DataDiffer from '../../data/DataDiffer';\nimport SeriesModel from '../../model/Series';\nimport ChartView from '../../view/Chart';\nimport { createClipPath } from '../helper/createClipPathFromCoordSys';\nimport prepareCartesian2d from '../../coord/cartesian/prepareCustom';\nimport prepareGeo from '../../coord/geo/prepareCustom';\nimport prepareSingleAxis from '../../coord/single/prepareCustom';\nimport preparePolar from '../../coord/polar/prepareCustom';\nimport prepareCalendar from '../../coord/calendar/prepareCustom';\nimport { makeInner, normalizeToArray } from '../../util/model';\nimport { convertToEC4StyleForCustomSerise, isEC4CompatibleStyle, convertFromEC4CompatibleStyle, warnDeprecated } from '../../util/styleCompat';\nimport Transformable from 'zrender/lib/core/Transformable';\nimport { cloneValue } from 'zrender/lib/animation/Animator';\nimport { warn, throwError } from '../../util/log';\nimport { combine, isInAnyMorphing, morphPath, isCombiningPath, separate } from 'zrender/lib/tool/morphPath';\nimport * as matrix from 'zrender/lib/core/matrix';\nimport { createOrUpdatePatternFromDecal } from '../../util/decal';\nvar inner = makeInner();\nvar TRANSFORM_PROPS = {\n  x: 1,\n  y: 1,\n  scaleX: 1,\n  scaleY: 1,\n  originX: 1,\n  originY: 1,\n  rotation: 1\n};\nvar transformPropNamesStr = keys(TRANSFORM_PROPS).join(', ');\n; // Also compat with ec4, where\n// `visual('color') visual('borderColor')` is supported.\n\nvar STYLE_VISUAL_TYPE = {\n  color: 'fill',\n  borderColor: 'stroke'\n};\nvar NON_STYLE_VISUAL_PROPS = {\n  symbol: 1,\n  symbolSize: 1,\n  symbolKeepAspect: 1,\n  legendSymbol: 1,\n  visualMeta: 1,\n  liftZ: 1,\n  decal: 1\n};\nvar EMPHASIS = 'emphasis';\nvar NORMAL = 'normal';\nvar BLUR = 'blur';\nvar SELECT = 'select';\nvar STATES = [NORMAL, EMPHASIS, BLUR, SELECT];\nvar PATH_ITEM_STYLE = {\n  normal: ['itemStyle'],\n  emphasis: [EMPHASIS, 'itemStyle'],\n  blur: [BLUR, 'itemStyle'],\n  select: [SELECT, 'itemStyle']\n};\nvar PATH_LABEL = {\n  normal: ['label'],\n  emphasis: [EMPHASIS, 'label'],\n  blur: [BLUR, 'label'],\n  select: [SELECT, 'label']\n}; // Use prefix to avoid index to be the same as el.name,\n// which will cause weird update animation.\n\nvar GROUP_DIFF_PREFIX = 'e\\0\\0';\nvar attachedTxInfoTmp = {\n  normal: {},\n  emphasis: {},\n  blur: {},\n  select: {}\n};\nvar LEGACY_TRANSFORM_PROPS = {\n  position: ['x', 'y'],\n  scale: ['scaleX', 'scaleY'],\n  origin: ['originX', 'originY']\n};\nvar tmpTransformable = new Transformable();\n/**\n * To reduce total package size of each coordinate systems, the modules `prepareCustom`\n * of each coordinate systems are not required by each coordinate systems directly, but\n * required by the module `custom`.\n *\n * prepareInfoForCustomSeries {Function}: optional\n *     @return {Object} {coordSys: {...}, api: {\n *         coord: function (data, clamp) {}, // return point in global.\n *         size: function (dataSize, dataItem) {} // return size of each axis in coordSys.\n *     }}\n */\n\nvar prepareCustoms = {\n  cartesian2d: prepareCartesian2d,\n  geo: prepareGeo,\n  singleAxis: prepareSingleAxis,\n  polar: preparePolar,\n  calendar: prepareCalendar\n};\n\nvar CustomSeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(CustomSeriesModel, _super);\n\n  function CustomSeriesModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = CustomSeriesModel.type;\n    return _this;\n  }\n\n  CustomSeriesModel.prototype.optionUpdated = function () {\n    this.currentZLevel = this.get('zlevel', true);\n    this.currentZ = this.get('z', true);\n  };\n\n  CustomSeriesModel.prototype.getInitialData = function (option, ecModel) {\n    return createListFromArray(this.getSource(), this);\n  };\n\n  CustomSeriesModel.prototype.getDataParams = function (dataIndex, dataType, el) {\n    var params = _super.prototype.getDataParams.call(this, dataIndex, dataType);\n\n    el && (params.info = inner(el).info);\n    return params;\n  };\n\n  CustomSeriesModel.type = 'series.custom';\n  CustomSeriesModel.dependencies = ['grid', 'polar', 'geo', 'singleAxis', 'calendar'];\n  CustomSeriesModel.defaultOption = {\n    coordinateSystem: 'cartesian2d',\n    zlevel: 0,\n    z: 2,\n    legendHoverLink: true,\n    // Custom series will not clip by default.\n    // Some case will use custom series to draw label\n    // For example https://echarts.apache.org/examples/en/editor.html?c=custom-gantt-flight\n    clip: false // Cartesian coordinate system\n    // xAxisIndex: 0,\n    // yAxisIndex: 0,\n    // Polar coordinate system\n    // polarIndex: 0,\n    // Geo coordinate system\n    // geoIndex: 0,\n\n  };\n  return CustomSeriesModel;\n}(SeriesModel);\n\nvar CustomSeriesView =\n/** @class */\nfunction (_super) {\n  __extends(CustomSeriesView, _super);\n\n  function CustomSeriesView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = CustomSeriesView.type;\n    return _this;\n  }\n\n  CustomSeriesView.prototype.render = function (customSeries, ecModel, api, payload) {\n    var oldData = this._data;\n    var data = customSeries.getData();\n    var group = this.group;\n    var renderItem = makeRenderItem(customSeries, data, ecModel, api); // By default, merge mode is applied. In most cases, custom series is\n    // used in the scenario that data amount is not large but graphic elements\n    // is complicated, where merge mode is probably necessary for optimization.\n    // For example, reuse graphic elements and only update the transform when\n    // roam or data zoom according to `actionType`.\n\n    var transOpt = customSeries.__transientTransitionOpt; // Enable user to disable transition animation by both set\n    // `from` and `to` dimension as `null`/`undefined`.\n\n    if (transOpt && (transOpt.from == null || transOpt.to == null)) {\n      oldData && oldData.each(function (oldIdx) {\n        doRemoveEl(oldData.getItemGraphicEl(oldIdx), customSeries, group);\n      });\n      data.each(function (newIdx) {\n        createOrUpdateItem(api, null, newIdx, renderItem(newIdx, payload), customSeries, group, data, null);\n      });\n    } else {\n      var morphPreparation_1 = new MorphPreparation(customSeries, transOpt);\n      var diffMode = transOpt ? 'multiple' : 'oneToOne';\n      new DataDiffer(oldData ? oldData.getIndices() : [], data.getIndices(), createGetKey(oldData, diffMode, transOpt && transOpt.from), createGetKey(data, diffMode, transOpt && transOpt.to), null, diffMode).add(function (newIdx) {\n        createOrUpdateItem(api, null, newIdx, renderItem(newIdx, payload), customSeries, group, data, null);\n      }).remove(function (oldIdx) {\n        doRemoveEl(oldData.getItemGraphicEl(oldIdx), customSeries, group);\n      }).update(function (newIdx, oldIdx) {\n        morphPreparation_1.reset('oneToOne');\n        var oldEl = oldData.getItemGraphicEl(oldIdx);\n        morphPreparation_1.findAndAddFrom(oldEl); // PENDING:\n        // if may morph, currently we alway recreate the whole el.\n        // because if reuse some of the el in the group tree, the old el has to\n        // be removed from the group, and consequently we can not calculate\n        // the \"global transition\" of the old element.\n        // But is there performance issue?\n\n        if (morphPreparation_1.hasFrom()) {\n          removeElementDirectly(oldEl, group);\n          oldEl = null;\n        }\n\n        createOrUpdateItem(api, oldEl, newIdx, renderItem(newIdx, payload), customSeries, group, data, morphPreparation_1);\n        morphPreparation_1.applyMorphing();\n      }).updateManyToOne(function (newIdx, oldIndices) {\n        morphPreparation_1.reset('manyToOne');\n\n        for (var i = 0; i < oldIndices.length; i++) {\n          var oldEl = oldData.getItemGraphicEl(oldIndices[i]);\n          morphPreparation_1.findAndAddFrom(oldEl);\n          removeElementDirectly(oldEl, group);\n        }\n\n        createOrUpdateItem(api, null, newIdx, renderItem(newIdx, payload), customSeries, group, data, morphPreparation_1);\n        morphPreparation_1.applyMorphing();\n      }).updateOneToMany(function (newIndices, oldIdx) {\n        morphPreparation_1.reset('oneToMany');\n        var newLen = newIndices.length;\n        var oldEl = oldData.getItemGraphicEl(oldIdx);\n        morphPreparation_1.findAndAddFrom(oldEl);\n        removeElementDirectly(oldEl, group);\n\n        for (var i = 0; i < newLen; i++) {\n          createOrUpdateItem(api, null, newIndices[i], renderItem(newIndices[i], payload), customSeries, group, data, morphPreparation_1);\n        }\n\n        morphPreparation_1.applyMorphing();\n      }).execute();\n    } // Do clipping\n\n\n    var clipPath = customSeries.get('clip', true) ? createClipPath(customSeries.coordinateSystem, false, customSeries) : null;\n\n    if (clipPath) {\n      group.setClipPath(clipPath);\n    } else {\n      group.removeClipPath();\n    }\n\n    this._data = data;\n  };\n\n  CustomSeriesView.prototype.incrementalPrepareRender = function (customSeries, ecModel, api) {\n    this.group.removeAll();\n    this._data = null;\n  };\n\n  CustomSeriesView.prototype.incrementalRender = function (params, customSeries, ecModel, api, payload) {\n    var data = customSeries.getData();\n    var renderItem = makeRenderItem(customSeries, data, ecModel, api);\n\n    function setIncrementalAndHoverLayer(el) {\n      if (!el.isGroup) {\n        el.incremental = true;\n        el.ensureState('emphasis').hoverLayer = true;\n      }\n    }\n\n    for (var idx = params.start; idx < params.end; idx++) {\n      var el = createOrUpdateItem(null, null, idx, renderItem(idx, payload), customSeries, this.group, data, null);\n      el.traverse(setIncrementalAndHoverLayer);\n    }\n  };\n\n  CustomSeriesView.prototype.filterForExposedEvent = function (eventType, query, targetEl, packedEvent) {\n    var elementName = query.element;\n\n    if (elementName == null || targetEl.name === elementName) {\n      return true;\n    } // Enable to give a name on a group made by `renderItem`, and listen\n    // events that triggerd by its descendents.\n\n\n    while ((targetEl = targetEl.__hostTarget || targetEl.parent) && targetEl !== this.group) {\n      if (targetEl.name === elementName) {\n        return true;\n      }\n    }\n\n    return false;\n  };\n\n  CustomSeriesView.type = 'custom';\n  return CustomSeriesView;\n}(ChartView);\n\nfunction createGetKey(data, diffMode, dimension) {\n  if (!data) {\n    return;\n  }\n\n  if (diffMode === 'oneToOne') {\n    return function (rawIdx, dataIndex) {\n      return data.getId(dataIndex);\n    };\n  }\n\n  var diffByDimName = data.getDimension(dimension);\n  var dimInfo = data.getDimensionInfo(diffByDimName);\n\n  if (!dimInfo) {\n    var errMsg = '';\n\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = dimension + \" is not a valid dimension.\";\n    }\n\n    throwError(errMsg);\n  }\n\n  var ordinalMeta = dimInfo.ordinalMeta;\n  return function (rawIdx, dataIndex) {\n    var key = data.get(diffByDimName, dataIndex);\n\n    if (ordinalMeta) {\n      key = ordinalMeta.categories[key];\n    }\n\n    return key == null || eqNaN(key) ? rawIdx + '' : '_ec_' + key;\n  };\n}\n\nfunction createEl(elOption) {\n  var graphicType = elOption.type;\n  var el; // Those graphic elements are not shapes. They should not be\n  // overwritten by users, so do them first.\n\n  if (graphicType === 'path') {\n    var shape = elOption.shape; // Using pathRect brings convenience to users sacle svg path.\n\n    var pathRect = shape.width != null && shape.height != null ? {\n      x: shape.x || 0,\n      y: shape.y || 0,\n      width: shape.width,\n      height: shape.height\n    } : null;\n    var pathData = getPathData(shape); // Path is also used for icon, so layout 'center' by default.\n\n    el = graphicUtil.makePath(pathData, null, pathRect, shape.layout || 'center');\n    inner(el).customPathData = pathData;\n  } else if (graphicType === 'image') {\n    el = new graphicUtil.Image({});\n    inner(el).customImagePath = elOption.style.image;\n  } else if (graphicType === 'text') {\n    el = new graphicUtil.Text({}); // inner(el).customText = (elOption.style as TextStyleProps).text;\n  } else if (graphicType === 'group') {\n    el = new graphicUtil.Group();\n  } else if (graphicType === 'compoundPath') {\n    throw new Error('\"compoundPath\" is not supported yet.');\n  } else {\n    var Clz = graphicUtil.getShapeClass(graphicType);\n\n    if (!Clz) {\n      var errMsg = '';\n\n      if (process.env.NODE_ENV !== 'production') {\n        errMsg = 'graphic type \"' + graphicType + '\" can not be found.';\n      }\n\n      throwError(errMsg);\n    }\n\n    el = new Clz();\n  }\n\n  inner(el).customGraphicType = graphicType;\n  el.name = elOption.name; // Compat ec4: the default z2 lift is 1. If changing the number,\n  // some cases probably be broken: hierarchy layout along z, like circle packing,\n  // where emphasis only intending to modify color/border rather than lift z2.\n\n  el.z2EmphasisLift = 1;\n  el.z2SelectLift = 1;\n  return el;\n}\n/**\n * ----------------------------------------------------------\n * [STRATEGY_MERGE] Merge properties or erase all properties:\n *\n * Based on the fact that the existing zr element probably be reused, we now consider whether\n * merge or erase all properties to the exsiting elements.\n * That is, if a certain props is not specified in the lastest return of `renderItem`:\n * + \"Merge\" means that do not modify the value on the existing element.\n * + \"Erase all\" means that use a default value to the existing element.\n *\n * \"Merge\" might bring some unexpected state retaining for users and \"erase all\" seams to be\n * more safe. \"erase all\" force users to specify all of the props each time, which is recommanded\n * in most cases.\n * But \"erase all\" theoretically disables the chance of performance optimization (e.g., just\n * generete shape and style at the first time rather than always do that).\n * So we still use \"merge\" rather than \"erase all\". If users need \"erase all\", they can\n * simple always set all of the props each time.\n * Some \"object-like\" config like `textConfig`, `textContent`, `style` which are not needed for\n * every elment, so we replace them only when user specify them. And the that is a total replace.\n *\n * TODO: there is no hint of 'isFirst' to users. So the performance enhancement can not be\n * performed yet. Consider the case:\n * (1) setOption to \"mergeChildren\" with a smaller children count\n * (2) Use dataZoom to make an item disappear.\n * (3) User dataZoom to make the item display again. At that time, renderItem need to return the\n * full option rather than partial option to recreate the element.\n *\n * ----------------------------------------------\n * [STRATEGY_NULL] `hasOwnProperty` or `== null`:\n *\n * Ditinguishing \"own property\" probably bring little trouble to user when make el options.\n * So we  trade a {xx: null} or {xx: undefined} as \"not specified\" if possible rather than\n * \"set them to null/undefined\". In most cases, props can not be cleared. Some typicall\n * clearable props like `style`/`textConfig`/`textContent` we enable `false` to means\n * \"clear\". In some othere special cases that the prop is able to set as null/undefined,\n * but not suitable to use `false`, `hasOwnProperty` is checked.\n *\n * ---------------------------------------------\n * [STRATEGY_TRANSITION] The rule of transition:\n * + For props on the root level of a element:\n *      If there is no `transition` specified, tansform props will be transitioned by default,\n *      which is the same as the previous setting in echarts4 and suitable for the scenario\n *      of dataZoom change.\n *      If `transition` specified, only the specified props will be transitioned.\n * + For props in `shape` and `style`:\n *      Only props specified in `transition` will be transitioned.\n * + Break:\n *      Since ec5, do not make transition to shape by default, because it might result in\n *      performance issue (especially `points` of polygon) and do not necessary in most cases.\n *\n * @return if `isMorphTo`, return `allPropsFinal`.\n */\n\n\nfunction updateElNormal( // Can be null/undefined\napi, el, // Whether be a morph target.\nisMorphTo, dataIndex, elOption, styleOpt, attachedTxInfo, seriesModel, isInit, isTextContent) {\n  var transFromProps = {};\n  var allPropsFinal = {};\n  var elDisplayable = el.isGroup ? null : el; // If be \"morph to\", delay the `updateElNormal` when all of the els in\n  // this data item processed. Because at that time we can get all of the\n  // \"morph from\" and make correct separate/combine.\n\n  !isMorphTo && prepareShapeOrExtraTransitionFrom('shape', el, null, elOption, transFromProps, isInit);\n  prepareShapeOrExtraAllPropsFinal('shape', elOption, allPropsFinal);\n  !isMorphTo && prepareShapeOrExtraTransitionFrom('extra', el, null, elOption, transFromProps, isInit);\n  prepareShapeOrExtraAllPropsFinal('extra', elOption, allPropsFinal);\n  !isMorphTo && prepareTransformTransitionFrom(el, null, elOption, transFromProps, isInit);\n  prepareTransformAllPropsFinal(elOption, allPropsFinal);\n  var txCfgOpt = attachedTxInfo && attachedTxInfo.normal.cfg;\n\n  if (txCfgOpt) {\n    // PENDING: whether use user object directly rather than clone?\n    // TODO:5.0 textConfig transition animation?\n    el.setTextConfig(txCfgOpt);\n  }\n\n  if (el.type === 'text' && styleOpt) {\n    var textOptionStyle = styleOpt; // Compatible with ec4: if `textFill` or `textStroke` exists use them.\n\n    hasOwn(textOptionStyle, 'textFill') && (textOptionStyle.fill = textOptionStyle.textFill);\n    hasOwn(textOptionStyle, 'textStroke') && (textOptionStyle.stroke = textOptionStyle.textStroke);\n  }\n\n  if (styleOpt) {\n    var decalPattern = void 0;\n    var decalObj = isPath(el) ? styleOpt.decal : null;\n\n    if (api && decalObj) {\n      decalObj.dirty = true;\n      decalPattern = createOrUpdatePatternFromDecal(decalObj, api);\n    } // Always overwrite in case user specify this prop.\n\n\n    styleOpt.__decalPattern = decalPattern;\n  }\n\n  !isMorphTo && prepareStyleTransitionFrom(el, null, elOption, styleOpt, transFromProps, isInit);\n\n  if (elDisplayable) {\n    hasOwn(elOption, 'invisible') && (elDisplayable.invisible = elOption.invisible);\n  } // If `isMorphTo`, we should not update these props to el directly, otherwise,\n  // when applying morph finally, the original prop are missing for making \"animation from\".\n\n\n  if (!isMorphTo) {\n    applyPropsFinal(el, allPropsFinal, styleOpt);\n    applyTransitionFrom(el, dataIndex, elOption, seriesModel, transFromProps, isInit);\n  } // Merge by default.\n\n\n  hasOwn(elOption, 'silent') && (el.silent = elOption.silent);\n  hasOwn(elOption, 'ignore') && (el.ignore = elOption.ignore);\n\n  if (!isTextContent) {\n    // `elOption.info` enables user to mount some info on\n    // elements and use them in event handlers.\n    // Update them only when user specified, otherwise, remain.\n    hasOwn(elOption, 'info') && (inner(el).info = elOption.info);\n  }\n\n  styleOpt ? el.dirty() : el.markRedraw();\n  return isMorphTo ? allPropsFinal : null;\n}\n\nfunction applyPropsFinal(el, // Can be null/undefined\nallPropsFinal, styleOpt) {\n  var elDisplayable = el.isGroup ? null : el;\n\n  if (elDisplayable && styleOpt) {\n    var decalPattern = styleOpt.__decalPattern;\n    var originalDecalObj = void 0;\n\n    if (decalPattern) {\n      originalDecalObj = styleOpt.decal;\n      styleOpt.decal = decalPattern;\n    } // PENDING: here the input style object is used directly.\n    // Good for performance but bad for compatibility control.\n\n\n    elDisplayable.useStyle(styleOpt);\n\n    if (decalPattern) {\n      styleOpt.decal = originalDecalObj;\n    } // When style object changed, how to trade the existing animation?\n    // It is probably conplicated and not needed to cover all the cases.\n    // But still need consider the case:\n    // (1) When using init animation on `style.opacity`, and before the animation\n    //     ended users triggers an update by mousewhell. At that time the init\n    //     animation should better be continued rather than terminated.\n    //     So after `useStyle` called, we should change the animation target manually\n    //     to continue the effect of the init animation.\n    // (2) PENDING: If the previous animation targeted at a `val1`, and currently we need\n    //     to update the value to `val2` and no animation declared, should be terminate\n    //     the previous animation or just modify the target of the animation?\n    //     Therotically That will happen not only on `style` but also on `shape` and\n    //     `transfrom` props. But we haven't handle this case at present yet.\n    // (3) PENDING: Is it proper to visit `animators` and `targetName`?\n\n\n    var animators = elDisplayable.animators;\n\n    for (var i = 0; i < animators.length; i++) {\n      var animator = animators[i]; // targetName is the \"topKey\".\n\n      if (animator.targetName === 'style') {\n        animator.changeTarget(elDisplayable.style);\n      }\n    }\n  } // Set el to the final state firstly.\n\n\n  allPropsFinal && el.attr(allPropsFinal);\n}\n\nfunction applyTransitionFrom(el, dataIndex, elOption, seriesModel, // Can be null/undefined\ntransFromProps, isInit) {\n  if (transFromProps) {\n    // Do not use `el.updateDuringAnimation` here becuase `el.updateDuringAnimation` will\n    // be called mutiple time in each animation frame. For example, if both \"transform\" props\n    // and shape props and style props changed, it will generate three animator and called\n    // one-by-one in each animation frame.\n    // We use the during in `animateTo/From` params.\n    var userDuring = elOption.during; // For simplicity, if during not specified, the previous during will not work any more.\n\n    inner(el).userDuring = userDuring;\n    var cfgDuringCall = userDuring ? bind(duringCall, {\n      el: el,\n      userDuring: userDuring\n    }) : null;\n    var cfg = {\n      dataIndex: dataIndex,\n      isFrom: true,\n      during: cfgDuringCall\n    };\n    isInit ? graphicUtil.initProps(el, transFromProps, seriesModel, cfg) : graphicUtil.updateProps(el, transFromProps, seriesModel, cfg);\n  }\n} // See [STRATEGY_TRANSITION]\n\n\nfunction prepareShapeOrExtraTransitionFrom(mainAttr, el, morphFromEl, elOption, transFromProps, isInit) {\n  var attrOpt = elOption[mainAttr];\n\n  if (!attrOpt) {\n    return;\n  }\n\n  var elPropsInAttr = el[mainAttr];\n  var transFromPropsInAttr;\n  var enterFrom = attrOpt.enterFrom;\n\n  if (isInit && enterFrom) {\n    !transFromPropsInAttr && (transFromPropsInAttr = transFromProps[mainAttr] = {});\n    var enterFromKeys = keys(enterFrom);\n\n    for (var i = 0; i < enterFromKeys.length; i++) {\n      // `enterFrom` props are not necessarily also declared in `shape`/`style`/...,\n      // for example, `opacity` can only declared in `enterFrom` but not in `style`.\n      var key = enterFromKeys[i]; // Do not clone, animator will perform that clone.\n\n      transFromPropsInAttr[key] = enterFrom[key];\n    }\n  }\n\n  if (!isInit && elPropsInAttr // Just ignore shape animation in morphing.\n  && !(morphFromEl != null && mainAttr === 'shape')) {\n    if (attrOpt.transition) {\n      !transFromPropsInAttr && (transFromPropsInAttr = transFromProps[mainAttr] = {});\n      var transitionKeys = normalizeToArray(attrOpt.transition);\n\n      for (var i = 0; i < transitionKeys.length; i++) {\n        var key = transitionKeys[i];\n        var elVal = elPropsInAttr[key];\n\n        if (process.env.NODE_ENV !== 'production') {\n          checkNonStyleTansitionRefer(key, attrOpt[key], elVal);\n        } // Do not clone, see `checkNonStyleTansitionRefer`.\n\n\n        transFromPropsInAttr[key] = elVal;\n      }\n    } else if (indexOf(elOption.transition, mainAttr) >= 0) {\n      !transFromPropsInAttr && (transFromPropsInAttr = transFromProps[mainAttr] = {});\n      var elPropsInAttrKeys = keys(elPropsInAttr);\n\n      for (var i = 0; i < elPropsInAttrKeys.length; i++) {\n        var key = elPropsInAttrKeys[i];\n        var elVal = elPropsInAttr[key];\n\n        if (isNonStyleTransitionEnabled(attrOpt[key], elVal)) {\n          transFromPropsInAttr[key] = elVal;\n        }\n      }\n    }\n  }\n\n  var leaveTo = attrOpt.leaveTo;\n\n  if (leaveTo) {\n    var leaveToProps = getOrCreateLeaveToPropsFromEl(el);\n    var leaveToPropsInAttr = leaveToProps[mainAttr] || (leaveToProps[mainAttr] = {});\n    var leaveToKeys = keys(leaveTo);\n\n    for (var i = 0; i < leaveToKeys.length; i++) {\n      var key = leaveToKeys[i];\n      leaveToPropsInAttr[key] = leaveTo[key];\n    }\n  }\n}\n\nfunction prepareShapeOrExtraAllPropsFinal(mainAttr, elOption, allProps) {\n  var attrOpt = elOption[mainAttr];\n\n  if (!attrOpt) {\n    return;\n  }\n\n  var allPropsInAttr = allProps[mainAttr] = {};\n  var keysInAttr = keys(attrOpt);\n\n  for (var i = 0; i < keysInAttr.length; i++) {\n    var key = keysInAttr[i]; // To avoid share one object with different element, and\n    // to avoid user modify the object inexpectedly, have to clone.\n\n    allPropsInAttr[key] = cloneValue(attrOpt[key]);\n  }\n} // See [STRATEGY_TRANSITION].\n\n\nfunction prepareTransformTransitionFrom(el, morphFromEl, elOption, transFromProps, isInit) {\n  var enterFrom = elOption.enterFrom;\n\n  if (isInit && enterFrom) {\n    var enterFromKeys = keys(enterFrom);\n\n    for (var i = 0; i < enterFromKeys.length; i++) {\n      var key = enterFromKeys[i];\n\n      if (process.env.NODE_ENV !== 'production') {\n        checkTransformPropRefer(key, 'el.enterFrom');\n      } // Do not clone, animator will perform that clone.\n\n\n      transFromProps[key] = enterFrom[key];\n    }\n  }\n\n  if (!isInit) {\n    // If morphing, force transition all transform props.\n    // otherwise might have incorrect morphing animation.\n    if (morphFromEl) {\n      var fromTransformable = calcOldElLocalTransformBasedOnNewElParent(morphFromEl, el);\n      setTransformPropToTransitionFrom(transFromProps, 'x', fromTransformable);\n      setTransformPropToTransitionFrom(transFromProps, 'y', fromTransformable);\n      setTransformPropToTransitionFrom(transFromProps, 'scaleX', fromTransformable);\n      setTransformPropToTransitionFrom(transFromProps, 'scaleY', fromTransformable);\n      setTransformPropToTransitionFrom(transFromProps, 'originX', fromTransformable);\n      setTransformPropToTransitionFrom(transFromProps, 'originY', fromTransformable);\n      setTransformPropToTransitionFrom(transFromProps, 'rotation', fromTransformable);\n    } else if (elOption.transition) {\n      var transitionKeys = normalizeToArray(elOption.transition);\n\n      for (var i = 0; i < transitionKeys.length; i++) {\n        var key = transitionKeys[i];\n\n        if (key === 'style' || key === 'shape' || key === 'extra') {\n          continue;\n        }\n\n        var elVal = el[key];\n\n        if (process.env.NODE_ENV !== 'production') {\n          checkTransformPropRefer(key, 'el.transition');\n          checkNonStyleTansitionRefer(key, elOption[key], elVal);\n        } // Do not clone, see `checkNonStyleTansitionRefer`.\n\n\n        transFromProps[key] = elVal;\n      }\n    } // This default transition see [STRATEGY_TRANSITION]\n    else {\n        setTransformPropToTransitionFrom(transFromProps, 'x', el);\n        setTransformPropToTransitionFrom(transFromProps, 'y', el);\n      }\n  }\n\n  var leaveTo = elOption.leaveTo;\n\n  if (leaveTo) {\n    var leaveToProps = getOrCreateLeaveToPropsFromEl(el);\n    var leaveToKeys = keys(leaveTo);\n\n    for (var i = 0; i < leaveToKeys.length; i++) {\n      var key = leaveToKeys[i];\n\n      if (process.env.NODE_ENV !== 'production') {\n        checkTransformPropRefer(key, 'el.leaveTo');\n      }\n\n      leaveToProps[key] = leaveTo[key];\n    }\n  }\n}\n\nfunction prepareTransformAllPropsFinal(elOption, allProps) {\n  setLagecyTransformProp(elOption, allProps, 'position');\n  setLagecyTransformProp(elOption, allProps, 'scale');\n  setLagecyTransformProp(elOption, allProps, 'origin');\n  setTransformProp(elOption, allProps, 'x');\n  setTransformProp(elOption, allProps, 'y');\n  setTransformProp(elOption, allProps, 'scaleX');\n  setTransformProp(elOption, allProps, 'scaleY');\n  setTransformProp(elOption, allProps, 'originX');\n  setTransformProp(elOption, allProps, 'originY');\n  setTransformProp(elOption, allProps, 'rotation');\n} // See [STRATEGY_TRANSITION].\n\n\nfunction prepareStyleTransitionFrom(el, morphFromEl, elOption, styleOpt, transFromProps, isInit) {\n  if (!styleOpt) {\n    return;\n  } // At present in \"many-to-one\"/\"one-to-many\" case, to not support \"many\" have\n  // different styles and make style transitions. That might be a rare case.\n\n\n  var fromEl = morphFromEl || el;\n  var fromElStyle = fromEl.style;\n  var transFromStyleProps;\n  var enterFrom = styleOpt.enterFrom;\n\n  if (isInit && enterFrom) {\n    var enterFromKeys = keys(enterFrom);\n    !transFromStyleProps && (transFromStyleProps = transFromProps.style = {});\n\n    for (var i = 0; i < enterFromKeys.length; i++) {\n      var key = enterFromKeys[i]; // Do not clone, animator will perform that clone.\n\n      transFromStyleProps[key] = enterFrom[key];\n    }\n  }\n\n  if (!isInit && fromElStyle) {\n    if (styleOpt.transition) {\n      var transitionKeys = normalizeToArray(styleOpt.transition);\n      !transFromStyleProps && (transFromStyleProps = transFromProps.style = {});\n\n      for (var i = 0; i < transitionKeys.length; i++) {\n        var key = transitionKeys[i];\n        var elVal = fromElStyle[key]; // Do not clone, see `checkNonStyleTansitionRefer`.\n\n        transFromStyleProps[key] = elVal;\n      }\n    } else if (el.getAnimationStyleProps && indexOf(elOption.transition, 'style') >= 0) {\n      var animationProps = el.getAnimationStyleProps();\n      var animationStyleProps = animationProps ? animationProps.style : null;\n\n      if (animationStyleProps) {\n        !transFromStyleProps && (transFromStyleProps = transFromProps.style = {});\n        var styleKeys = keys(styleOpt);\n\n        for (var i = 0; i < styleKeys.length; i++) {\n          var key = styleKeys[i];\n\n          if (animationStyleProps[key]) {\n            var elVal = fromElStyle[key];\n            transFromStyleProps[key] = elVal;\n          }\n        }\n      }\n    }\n  }\n\n  var leaveTo = styleOpt.leaveTo;\n\n  if (leaveTo) {\n    var leaveToKeys = keys(leaveTo);\n    var leaveToProps = getOrCreateLeaveToPropsFromEl(el);\n    var leaveToStyleProps = leaveToProps.style || (leaveToProps.style = {});\n\n    for (var i = 0; i < leaveToKeys.length; i++) {\n      var key = leaveToKeys[i];\n      leaveToStyleProps[key] = leaveTo[key];\n    }\n  }\n}\n/**\n * If make \"transform\"(x/y/scaleX/scaleY/orient/originX/originY) transition between\n * two path elements that have different hierarchy, before we retrieve the \"from\" props,\n * we have to calculate the local transition of the \"oldPath\" based on the parent of\n * the \"newPath\".\n * At present, the case only happend in \"morphing\". Without morphing, the transform\n * transition are all between elements in the same hierarchy, where this kind of process\n * is not needed.\n *\n * [CAVEAT]:\n * This method makes sense only if: (very tricky)\n * (1) \"newEl\" has been added to its final parent.\n * (2) Local transform props of \"newPath.parent\" are not at their final value but already\n * have been at the \"from value\".\n *     This is currently ensured by:\n *     (2.1) \"graphicUtil.animationFrom\", which will set the element to the \"from value\"\n *     immediately.\n *     (2.2) \"morph\" option is not allowed to be set on Group, so all of the groups have\n *     been finished their \"updateElNormal\" when calling this method in morphing process.\n */\n\n\nfunction calcOldElLocalTransformBasedOnNewElParent(oldEl, newEl) {\n  if (!oldEl || oldEl === newEl || oldEl.parent === newEl.parent) {\n    return oldEl;\n  } // Not sure oldEl is rendered (may have \"lazyUpdate\"),\n  // so always call `getComputedTransform`.\n\n\n  var tmpM = tmpTransformable.transform || (tmpTransformable.transform = matrix.identity([]));\n  var oldGlobalTransform = oldEl.getComputedTransform();\n  oldGlobalTransform ? matrix.copy(tmpM, oldGlobalTransform) : matrix.identity(tmpM);\n  var newParent = newEl.parent;\n\n  if (newParent) {\n    newParent.getComputedTransform();\n  }\n\n  tmpTransformable.originX = oldEl.originX;\n  tmpTransformable.originY = oldEl.originY;\n  tmpTransformable.parent = newParent;\n  tmpTransformable.decomposeTransform();\n  return tmpTransformable;\n}\n\nvar checkNonStyleTansitionRefer;\n\nif (process.env.NODE_ENV !== 'production') {\n  checkNonStyleTansitionRefer = function (propName, optVal, elVal) {\n    if (!isArrayLike(optVal)) {\n      assert(optVal != null && isFinite(optVal), 'Prop `' + propName + '` must refer to a finite number or ArrayLike for transition.');\n    } else {\n      // Try not to copy array for performance, but if user use the same object in different\n      // call of `renderItem`, it will casue animation transition fail.\n      assert(optVal !== elVal, 'Prop `' + propName + '` must use different Array object each time for transition.');\n    }\n  };\n}\n\nfunction isNonStyleTransitionEnabled(optVal, elVal) {\n  // The same as `checkNonStyleTansitionRefer`.\n  return !isArrayLike(optVal) ? optVal != null && isFinite(optVal) : optVal !== elVal;\n}\n\nvar checkTransformPropRefer;\n\nif (process.env.NODE_ENV !== 'production') {\n  checkTransformPropRefer = function (key, usedIn) {\n    assert(hasOwn(TRANSFORM_PROPS, key), 'Prop `' + key + '` is not a permitted in `' + usedIn + '`. ' + 'Only `' + keys(TRANSFORM_PROPS).join('`, `') + '` are permitted.');\n  };\n}\n\nfunction getOrCreateLeaveToPropsFromEl(el) {\n  var innerEl = inner(el);\n  return innerEl.leaveToProps || (innerEl.leaveToProps = {});\n} // Use it to avoid it be exposed to user.\n\n\nvar tmpDuringScope = {};\nvar customDuringAPI = {\n  // Usually other props do not need to be changed in animation during.\n  setTransform: function (key, val) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(hasOwn(TRANSFORM_PROPS, key), 'Only ' + transformPropNamesStr + ' available in `setTransform`.');\n    }\n\n    tmpDuringScope.el[key] = val;\n    return this;\n  },\n  getTransform: function (key) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(hasOwn(TRANSFORM_PROPS, key), 'Only ' + transformPropNamesStr + ' available in `getTransform`.');\n    }\n\n    return tmpDuringScope.el[key];\n  },\n  setShape: function (key, val) {\n    if (process.env.NODE_ENV !== 'production') {\n      assertNotReserved(key);\n    }\n\n    var shape = tmpDuringScope.el.shape || (tmpDuringScope.el.shape = {});\n    shape[key] = val;\n    tmpDuringScope.isShapeDirty = true;\n    return this;\n  },\n  getShape: function (key) {\n    if (process.env.NODE_ENV !== 'production') {\n      assertNotReserved(key);\n    }\n\n    var shape = tmpDuringScope.el.shape;\n\n    if (shape) {\n      return shape[key];\n    }\n  },\n  setStyle: function (key, val) {\n    if (process.env.NODE_ENV !== 'production') {\n      assertNotReserved(key);\n    }\n\n    var style = tmpDuringScope.el.style;\n\n    if (style) {\n      if (process.env.NODE_ENV !== 'production') {\n        if (eqNaN(val)) {\n          warn('style.' + key + ' must not be assigned with NaN.');\n        }\n      }\n\n      style[key] = val;\n      tmpDuringScope.isStyleDirty = true;\n    }\n\n    return this;\n  },\n  getStyle: function (key) {\n    if (process.env.NODE_ENV !== 'production') {\n      assertNotReserved(key);\n    }\n\n    var style = tmpDuringScope.el.style;\n\n    if (style) {\n      return style[key];\n    }\n  },\n  setExtra: function (key, val) {\n    if (process.env.NODE_ENV !== 'production') {\n      assertNotReserved(key);\n    }\n\n    var extra = tmpDuringScope.el.extra || (tmpDuringScope.el.extra = {});\n    extra[key] = val;\n    return this;\n  },\n  getExtra: function (key) {\n    if (process.env.NODE_ENV !== 'production') {\n      assertNotReserved(key);\n    }\n\n    var extra = tmpDuringScope.el.extra;\n\n    if (extra) {\n      return extra[key];\n    }\n  }\n};\n\nfunction assertNotReserved(key) {\n  if (process.env.NODE_ENV !== 'production') {\n    if (key === 'transition' || key === 'enterFrom' || key === 'leaveTo') {\n      throw new Error('key must not be \"' + key + '\"');\n    }\n  }\n}\n\nfunction duringCall() {\n  // Do not provide \"percent\" until some requirements come.\n  // Because consider thies case:\n  // enterFrom: {x: 100, y: 30}, transition: 'x'.\n  // And enter duration is different from update duration.\n  // Thus it might be confused about the meaning of \"percent\" in during callback.\n  var scope = this;\n  var el = scope.el;\n\n  if (!el) {\n    return;\n  } // If el is remove from zr by reason like legend, during still need to called,\n  // becuase el will be added back to zr and the prop value should not be incorrect.\n\n\n  var newstUserDuring = inner(el).userDuring;\n  var scopeUserDuring = scope.userDuring; // Ensured a during is only called once in each animation frame.\n  // If a during is called multiple times in one frame, maybe some users' calulation logic\n  // might be wrong (not sure whether this usage exists).\n  // The case of a during might be called twice can be: by default there is a animator for\n  // 'x', 'y' when init. Before the init animation finished, call `setOption` to start\n  // another animators for 'style'/'shape'/'extra'.\n\n  if (newstUserDuring !== scopeUserDuring) {\n    // release\n    scope.el = scope.userDuring = null;\n    return;\n  }\n\n  tmpDuringScope.el = el;\n  tmpDuringScope.isShapeDirty = false;\n  tmpDuringScope.isStyleDirty = false; // Give no `this` to user in \"during\" calling.\n\n  scopeUserDuring(customDuringAPI);\n\n  if (tmpDuringScope.isShapeDirty && el.dirtyShape) {\n    el.dirtyShape();\n  }\n\n  if (tmpDuringScope.isStyleDirty && el.dirtyStyle) {\n    el.dirtyStyle();\n  } // markRedraw() will be called by default in during.\n  // FIXME `this.markRedraw();` directly ?\n  // FIXME: if in future meet the case that some prop will be both modified in `during` and `state`,\n  // consider the issue that the prop might be incorrect when return to \"normal\" state.\n\n}\n\nfunction updateElOnState(state, el, elStateOpt, styleOpt, attachedTxInfo, isRoot, isTextContent) {\n  var elDisplayable = el.isGroup ? null : el;\n  var txCfgOpt = attachedTxInfo && attachedTxInfo[state].cfg; // PENDING:5.0 support customize scale change and transition animation?\n\n  if (elDisplayable) {\n    // By default support auto lift color when hover whether `emphasis` specified.\n    var stateObj = elDisplayable.ensureState(state);\n\n    if (styleOpt === false) {\n      var existingEmphasisState = elDisplayable.getState(state);\n\n      if (existingEmphasisState) {\n        existingEmphasisState.style = null;\n      }\n    } else {\n      // style is needed to enable defaut emphasis.\n      stateObj.style = styleOpt || null;\n    } // If `elOption.styleEmphasis` or `elOption.emphasis.style` is `false`,\n    // remove hover style.\n    // If `elOption.textConfig` or `elOption.emphasis.textConfig` is null/undefined, it does not\n    // make sense. So for simplicity, we do not ditinguish `hasOwnProperty` and null/undefined.\n\n\n    if (txCfgOpt) {\n      stateObj.textConfig = txCfgOpt;\n    }\n\n    setDefaultStateProxy(elDisplayable);\n  }\n}\n\nfunction updateZ(el, elOption, seriesModel, attachedTxInfo) {\n  // Group not support textContent and not support z yet.\n  if (el.isGroup) {\n    return;\n  }\n\n  var elDisplayable = el;\n  var currentZ = seriesModel.currentZ;\n  var currentZLevel = seriesModel.currentZLevel; // Always erase.\n\n  elDisplayable.z = currentZ;\n  elDisplayable.zlevel = currentZLevel; // z2 must not be null/undefined, otherwise sort error may occur.\n\n  var optZ2 = elOption.z2;\n  optZ2 != null && (elDisplayable.z2 = optZ2 || 0);\n\n  for (var i = 0; i < STATES.length; i++) {\n    updateZForEachState(elDisplayable, elOption, STATES[i]);\n  }\n}\n\nfunction updateZForEachState(elDisplayable, elOption, state) {\n  var isNormal = state === NORMAL;\n  var elStateOpt = isNormal ? elOption : retrieveStateOption(elOption, state);\n  var optZ2 = elStateOpt ? elStateOpt.z2 : null;\n  var stateObj;\n\n  if (optZ2 != null) {\n    // Do not `ensureState` until required.\n    stateObj = isNormal ? elDisplayable : elDisplayable.ensureState(state);\n    stateObj.z2 = optZ2 || 0;\n  }\n}\n\nfunction setLagecyTransformProp(elOption, targetProps, legacyName, fromTransformable // If provided, retrieve from the element.\n) {\n  var legacyArr = elOption[legacyName];\n  var xyName = LEGACY_TRANSFORM_PROPS[legacyName];\n\n  if (legacyArr) {\n    if (fromTransformable) {\n      targetProps[xyName[0]] = fromTransformable[xyName[0]];\n      targetProps[xyName[1]] = fromTransformable[xyName[1]];\n    } else {\n      targetProps[xyName[0]] = legacyArr[0];\n      targetProps[xyName[1]] = legacyArr[1];\n    }\n  }\n}\n\nfunction setTransformProp(elOption, allProps, name, fromTransformable // If provided, retrieve from the element.\n) {\n  if (elOption[name] != null) {\n    allProps[name] = fromTransformable ? fromTransformable[name] : elOption[name];\n  }\n}\n\nfunction setTransformPropToTransitionFrom(transitionFrom, name, fromTransformable // If provided, retrieve from the element.\n) {\n  if (fromTransformable) {\n    transitionFrom[name] = fromTransformable[name];\n  }\n}\n\nfunction makeRenderItem(customSeries, data, ecModel, api) {\n  var renderItem = customSeries.get('renderItem');\n  var coordSys = customSeries.coordinateSystem;\n  var prepareResult = {};\n\n  if (coordSys) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(renderItem, 'series.render is required.');\n      assert(coordSys.prepareCustoms || prepareCustoms[coordSys.type], 'This coordSys does not support custom series.');\n    } // `coordSys.prepareCustoms` is used for external coord sys like bmap.\n\n\n    prepareResult = coordSys.prepareCustoms ? coordSys.prepareCustoms(coordSys) : prepareCustoms[coordSys.type](coordSys);\n  }\n\n  var userAPI = defaults({\n    getWidth: api.getWidth,\n    getHeight: api.getHeight,\n    getZr: api.getZr,\n    getDevicePixelRatio: api.getDevicePixelRatio,\n    value: value,\n    style: style,\n    ordinalRawValue: ordinalRawValue,\n    styleEmphasis: styleEmphasis,\n    visual: visual,\n    barLayout: barLayout,\n    currentSeriesIndices: currentSeriesIndices,\n    font: font\n  }, prepareResult.api || {});\n  var userParams = {\n    // The life cycle of context: current round of rendering.\n    // The global life cycle is probably not necessary, because\n    // user can store global status by themselves.\n    context: {},\n    seriesId: customSeries.id,\n    seriesName: customSeries.name,\n    seriesIndex: customSeries.seriesIndex,\n    coordSys: prepareResult.coordSys,\n    dataInsideLength: data.count(),\n    encode: wrapEncodeDef(customSeries.getData())\n  }; // If someday intending to refactor them to a class, should consider do not\n  // break change: currently these attribute member are encapsulated in a closure\n  // so that do not need to force user to call these method with a scope.\n  // Do not support call `api` asynchronously without dataIndexInside input.\n\n  var currDataIndexInside;\n  var currItemModel;\n  var currItemStyleModels = {};\n  var currLabelModels = {};\n  var seriesItemStyleModels = {};\n  var seriesLabelModels = {};\n\n  for (var i = 0; i < STATES.length; i++) {\n    var stateName = STATES[i];\n    seriesItemStyleModels[stateName] = customSeries.getModel(PATH_ITEM_STYLE[stateName]);\n    seriesLabelModels[stateName] = customSeries.getModel(PATH_LABEL[stateName]);\n  }\n\n  function getItemModel(dataIndexInside) {\n    return dataIndexInside === currDataIndexInside ? currItemModel || (currItemModel = data.getItemModel(dataIndexInside)) : data.getItemModel(dataIndexInside);\n  }\n\n  function getItemStyleModel(dataIndexInside, state) {\n    return !data.hasItemOption ? seriesItemStyleModels[state] : dataIndexInside === currDataIndexInside ? currItemStyleModels[state] || (currItemStyleModels[state] = getItemModel(dataIndexInside).getModel(PATH_ITEM_STYLE[state])) : getItemModel(dataIndexInside).getModel(PATH_ITEM_STYLE[state]);\n  }\n\n  function getLabelModel(dataIndexInside, state) {\n    return !data.hasItemOption ? seriesLabelModels[state] : dataIndexInside === currDataIndexInside ? currLabelModels[state] || (currLabelModels[state] = getItemModel(dataIndexInside).getModel(PATH_LABEL[state])) : getItemModel(dataIndexInside).getModel(PATH_LABEL[state]);\n  }\n\n  return function (dataIndexInside, payload) {\n    currDataIndexInside = dataIndexInside;\n    currItemModel = null;\n    currItemStyleModels = {};\n    currLabelModels = {};\n    return renderItem && renderItem(defaults({\n      dataIndexInside: dataIndexInside,\n      dataIndex: data.getRawIndex(dataIndexInside),\n      // Can be used for optimization when zoom or roam.\n      actionType: payload ? payload.type : null\n    }, userParams), userAPI);\n  };\n  /**\n   * @public\n   * @param dim by default 0.\n   * @param dataIndexInside by default `currDataIndexInside`.\n   */\n\n  function value(dim, dataIndexInside) {\n    dataIndexInside == null && (dataIndexInside = currDataIndexInside);\n    return data.get(data.getDimension(dim || 0), dataIndexInside);\n  }\n  /**\n   * @public\n   * @param dim by default 0.\n   * @param dataIndexInside by default `currDataIndexInside`.\n   */\n\n\n  function ordinalRawValue(dim, dataIndexInside) {\n    dataIndexInside == null && (dataIndexInside = currDataIndexInside);\n    var dimInfo = data.getDimensionInfo(dim || 0);\n\n    if (!dimInfo) {\n      return;\n    }\n\n    var val = data.get(dimInfo.name, dataIndexInside);\n    var ordinalMeta = dimInfo && dimInfo.ordinalMeta;\n    return ordinalMeta ? ordinalMeta.categories[val] : val;\n  }\n  /**\n   * @deprecated The orgininal intention of `api.style` is enable to set itemStyle\n   * like other series. But it not necessary and not easy to give a strict definition\n   * of what it return. And since echarts5 it needs to be make compat work. So\n   * deprecates it since echarts5.\n   *\n   * By default, `visual` is applied to style (to support visualMap).\n   * `visual.color` is applied at `fill`. If user want apply visual.color on `stroke`,\n   * it can be implemented as:\n   * `api.style({stroke: api.visual('color'), fill: null})`;\n   *\n   * [Compat]: since ec5, RectText has been separated from its hosts el.\n   * so `api.style()` will only return the style from `itemStyle` but not handle `label`\n   * any more. But `series.label` config is never published in doc.\n   * We still compat it in `api.style()`. But not encourage to use it and will still not\n   * to pulish it to doc.\n   * @public\n   * @param dataIndexInside by default `currDataIndexInside`.\n   */\n\n\n  function style(userProps, dataIndexInside) {\n    if (process.env.NODE_ENV !== 'production') {\n      warnDeprecated('api.style', 'Please write literal style directly instead.');\n    }\n\n    dataIndexInside == null && (dataIndexInside = currDataIndexInside);\n    var style = data.getItemVisual(dataIndexInside, 'style');\n    var visualColor = style && style.fill;\n    var opacity = style && style.opacity;\n    var itemStyle = getItemStyleModel(dataIndexInside, NORMAL).getItemStyle();\n    visualColor != null && (itemStyle.fill = visualColor);\n    opacity != null && (itemStyle.opacity = opacity);\n    var opt = {\n      inheritColor: isString(visualColor) ? visualColor : '#000'\n    };\n    var labelModel = getLabelModel(dataIndexInside, NORMAL); // Now that the feture of \"auto adjust text fill/stroke\" has been migrated to zrender\n    // since ec5, we should set `isAttached` as `false` here and make compat in\n    // `convertToEC4StyleForCustomSerise`.\n\n    var textStyle = labelStyleHelper.createTextStyle(labelModel, null, opt, false, true);\n    textStyle.text = labelModel.getShallow('show') ? retrieve2(customSeries.getFormattedLabel(dataIndexInside, NORMAL), getDefaultLabel(data, dataIndexInside)) : null;\n    var textConfig = labelStyleHelper.createTextConfig(labelModel, opt, false);\n    preFetchFromExtra(userProps, itemStyle);\n    itemStyle = convertToEC4StyleForCustomSerise(itemStyle, textStyle, textConfig);\n    userProps && applyUserPropsAfter(itemStyle, userProps);\n    itemStyle.legacy = true;\n    return itemStyle;\n  }\n  /**\n   * @deprecated The reason see `api.style()`\n   * @public\n   * @param dataIndexInside by default `currDataIndexInside`.\n   */\n\n\n  function styleEmphasis(userProps, dataIndexInside) {\n    if (process.env.NODE_ENV !== 'production') {\n      warnDeprecated('api.styleEmphasis', 'Please write literal style directly instead.');\n    }\n\n    dataIndexInside == null && (dataIndexInside = currDataIndexInside);\n    var itemStyle = getItemStyleModel(dataIndexInside, EMPHASIS).getItemStyle();\n    var labelModel = getLabelModel(dataIndexInside, EMPHASIS);\n    var textStyle = labelStyleHelper.createTextStyle(labelModel, null, null, true, true);\n    textStyle.text = labelModel.getShallow('show') ? retrieve3(customSeries.getFormattedLabel(dataIndexInside, EMPHASIS), customSeries.getFormattedLabel(dataIndexInside, NORMAL), getDefaultLabel(data, dataIndexInside)) : null;\n    var textConfig = labelStyleHelper.createTextConfig(labelModel, null, true);\n    preFetchFromExtra(userProps, itemStyle);\n    itemStyle = convertToEC4StyleForCustomSerise(itemStyle, textStyle, textConfig);\n    userProps && applyUserPropsAfter(itemStyle, userProps);\n    itemStyle.legacy = true;\n    return itemStyle;\n  }\n\n  function applyUserPropsAfter(itemStyle, extra) {\n    for (var key in extra) {\n      if (hasOwn(extra, key)) {\n        itemStyle[key] = extra[key];\n      }\n    }\n  }\n\n  function preFetchFromExtra(extra, itemStyle) {\n    // A trick to retrieve those props firstly, which are used to\n    // apply auto inside fill/stroke in `convertToEC4StyleForCustomSerise`.\n    // (It's not reasonable but only for a degree of compat)\n    if (extra) {\n      extra.textFill && (itemStyle.textFill = extra.textFill);\n      extra.textPosition && (itemStyle.textPosition = extra.textPosition);\n    }\n  }\n  /**\n   * @public\n   * @param dataIndexInside by default `currDataIndexInside`.\n   */\n\n\n  function visual(visualType, dataIndexInside) {\n    dataIndexInside == null && (dataIndexInside = currDataIndexInside);\n\n    if (hasOwn(STYLE_VISUAL_TYPE, visualType)) {\n      var style_1 = data.getItemVisual(dataIndexInside, 'style');\n      return style_1 ? style_1[STYLE_VISUAL_TYPE[visualType]] : null;\n    } // Only support these visuals. Other visual might be inner tricky\n    // for performance (like `style`), do not expose to users.\n\n\n    if (hasOwn(NON_STYLE_VISUAL_PROPS, visualType)) {\n      return data.getItemVisual(dataIndexInside, visualType);\n    }\n  }\n  /**\n   * @public\n   * @return If not support, return undefined.\n   */\n\n\n  function barLayout(opt) {\n    if (coordSys.type === 'cartesian2d') {\n      var baseAxis = coordSys.getBaseAxis();\n      return getLayoutOnAxis(defaults({\n        axis: baseAxis\n      }, opt));\n    }\n  }\n  /**\n   * @public\n   */\n\n\n  function currentSeriesIndices() {\n    return ecModel.getCurrentSeriesIndices();\n  }\n  /**\n   * @public\n   * @return font string\n   */\n\n\n  function font(opt) {\n    return labelStyleHelper.getFont(opt, ecModel);\n  }\n}\n\nfunction wrapEncodeDef(data) {\n  var encodeDef = {};\n  each(data.dimensions, function (dimName, dataDimIndex) {\n    var dimInfo = data.getDimensionInfo(dimName);\n\n    if (!dimInfo.isExtraCoord) {\n      var coordDim = dimInfo.coordDim;\n      var dataDims = encodeDef[coordDim] = encodeDef[coordDim] || [];\n      dataDims[dimInfo.coordDimIndex] = dataDimIndex;\n    }\n  });\n  return encodeDef;\n}\n\nfunction createOrUpdateItem(api, el, dataIndex, elOption, seriesModel, group, data, morphPreparation) {\n  // [Rule]\n  // If `renderItem` returns `null`/`undefined`/`false`, remove the previous el if existing.\n  //     (It seems that violate the \"merge\" principle, but most of users probably intuitively\n  //     regard \"return;\" as \"show nothing element whatever\", so make a exception to meet the\n  //     most cases.)\n  // The rule or \"merge\" see [STRATEGY_MERGE].\n  // If `elOption` is `null`/`undefined`/`false` (when `renderItem` returns nothing).\n  if (!elOption) {\n    removeElementDirectly(el, group);\n    return;\n  }\n\n  el = doCreateOrUpdateEl(api, el, dataIndex, elOption, seriesModel, group, true, morphPreparation);\n  el && data.setItemGraphicEl(dataIndex, el);\n  enableHoverEmphasis(el, elOption.focus, elOption.blurScope);\n  return el;\n}\n\nfunction doCreateOrUpdateEl(api, el, dataIndex, elOption, seriesModel, group, isRoot, morphPreparation) {\n  if (process.env.NODE_ENV !== 'production') {\n    assert(elOption, 'should not have an null/undefined element setting');\n  }\n\n  var toBeReplacedIdx = -1;\n\n  if (el && doesElNeedRecreate(el, elOption) // || (\n  //     // PENDING: even in one-to-one mapping case, if el is marked as morph,\n  //     // do not sure whether the el will be mapped to another el with different\n  //     // hierarchy in Group tree. So always recreate el rather than reuse the el.\n  //     morphPreparation && morphPreparation.isOneToOneFrom(el)\n  // )\n  ) {\n    // Should keep at the original index, otherwise \"merge by index\" will be incorrect.\n    toBeReplacedIdx = group.childrenRef().indexOf(el);\n    el = null;\n  }\n\n  var elIsNewCreated = !el;\n\n  if (!el) {\n    el = createEl(elOption);\n  } else {\n    // FIMXE:NEXT unified clearState?\n    // If in some case the performance issue arised, consider\n    // do not clearState but update cached normal state directly.\n    el.clearStates();\n  }\n\n  var canMorph = inner(el).canMorph = elOption.morph && isPath(el);\n  var thisElIsMorphTo = canMorph && morphPreparation && morphPreparation.hasFrom(); // Use update animation when morph is enabled.\n\n  var isInit = elIsNewCreated && !thisElIsMorphTo;\n  attachedTxInfoTmp.normal.cfg = attachedTxInfoTmp.normal.conOpt = attachedTxInfoTmp.emphasis.cfg = attachedTxInfoTmp.emphasis.conOpt = attachedTxInfoTmp.blur.cfg = attachedTxInfoTmp.blur.conOpt = attachedTxInfoTmp.select.cfg = attachedTxInfoTmp.select.conOpt = null;\n  attachedTxInfoTmp.isLegacy = false;\n  doCreateOrUpdateAttachedTx(el, dataIndex, elOption, seriesModel, isInit, attachedTxInfoTmp);\n  doCreateOrUpdateClipPath(el, dataIndex, elOption, seriesModel, isInit);\n  var pendingAllPropsFinal = updateElNormal(api, el, thisElIsMorphTo, dataIndex, elOption, elOption.style, attachedTxInfoTmp, seriesModel, isInit, false);\n\n  if (thisElIsMorphTo) {\n    morphPreparation.addTo(el, elOption, dataIndex, pendingAllPropsFinal);\n  }\n\n  for (var i = 0; i < STATES.length; i++) {\n    var stateName = STATES[i];\n\n    if (stateName !== NORMAL) {\n      var otherStateOpt = retrieveStateOption(elOption, stateName);\n      var otherStyleOpt = retrieveStyleOptionOnState(elOption, otherStateOpt, stateName);\n      updateElOnState(stateName, el, otherStateOpt, otherStyleOpt, attachedTxInfoTmp, isRoot, false);\n    }\n  }\n\n  updateZ(el, elOption, seriesModel, attachedTxInfoTmp);\n\n  if (elOption.type === 'group') {\n    mergeChildren(api, el, dataIndex, elOption, seriesModel, morphPreparation);\n  }\n\n  if (toBeReplacedIdx >= 0) {\n    group.replaceAt(el, toBeReplacedIdx);\n  } else {\n    group.add(el);\n  }\n\n  return el;\n} // `el` must not be null/undefined.\n\n\nfunction doesElNeedRecreate(el, elOption) {\n  var elInner = inner(el);\n  var elOptionType = elOption.type;\n  var elOptionShape = elOption.shape;\n  var elOptionStyle = elOption.style;\n  return (// If `elOptionType` is `null`, follow the merge principle.\n    elOptionType != null && elOptionType !== elInner.customGraphicType || elOptionType === 'path' && hasOwnPathData(elOptionShape) && getPathData(elOptionShape) !== elInner.customPathData || elOptionType === 'image' && hasOwn(elOptionStyle, 'image') && elOptionStyle.image !== elInner.customImagePath // // FIXME test and remove this restriction?\n    // || (elOptionType === 'text'\n    //     && hasOwn(elOptionStyle, 'text')\n    //     && (elOptionStyle as TextStyleProps).text !== elInner.customText\n    // )\n\n  );\n}\n\nfunction doCreateOrUpdateClipPath(el, dataIndex, elOption, seriesModel, isInit) {\n  // Based on the \"merge\" principle, if no clipPath provided,\n  // do nothing. The exists clip will be totally removed only if\n  // `el.clipPath` is `false`. Otherwise it will be merged/replaced.\n  var clipPathOpt = elOption.clipPath;\n\n  if (clipPathOpt === false) {\n    if (el && el.getClipPath()) {\n      el.removeClipPath();\n    }\n  } else if (clipPathOpt) {\n    var clipPath = el.getClipPath();\n\n    if (clipPath && doesElNeedRecreate(clipPath, clipPathOpt)) {\n      clipPath = null;\n    }\n\n    if (!clipPath) {\n      clipPath = createEl(clipPathOpt);\n\n      if (process.env.NODE_ENV !== 'production') {\n        assert(clipPath instanceof graphicUtil.Path, 'Only any type of `path` can be used in `clipPath`, rather than ' + clipPath.type + '.');\n      }\n\n      el.setClipPath(clipPath);\n    }\n\n    updateElNormal(null, clipPath, null, dataIndex, clipPathOpt, null, null, seriesModel, isInit, false);\n  } // If not define `clipPath` in option, do nothing unnecessary.\n\n}\n\nfunction doCreateOrUpdateAttachedTx(el, dataIndex, elOption, seriesModel, isInit, attachedTxInfo) {\n  // group do not support textContent temporarily untill necessary.\n  if (el.isGroup) {\n    return;\n  } // Normal must be called before emphasis, for `isLegacy` detection.\n\n\n  processTxInfo(elOption, null, attachedTxInfo);\n  processTxInfo(elOption, EMPHASIS, attachedTxInfo); // If `elOption.textConfig` or `elOption.textContent` is null/undefined, it does not make sence.\n  // So for simplicity, if \"elOption hasOwnProperty of them but be null/undefined\", we do not\n  // trade them as set to null to el.\n  // Especially:\n  // `elOption.textContent: false` means remove textContent.\n  // `elOption.textContent.emphasis.style: false` means remove the style from emphasis state.\n\n  var txConOptNormal = attachedTxInfo.normal.conOpt;\n  var txConOptEmphasis = attachedTxInfo.emphasis.conOpt;\n  var txConOptBlur = attachedTxInfo.blur.conOpt;\n  var txConOptSelect = attachedTxInfo.select.conOpt;\n\n  if (txConOptNormal != null || txConOptEmphasis != null || txConOptSelect != null || txConOptBlur != null) {\n    var textContent = el.getTextContent();\n\n    if (txConOptNormal === false) {\n      textContent && el.removeTextContent();\n    } else {\n      txConOptNormal = attachedTxInfo.normal.conOpt = txConOptNormal || {\n        type: 'text'\n      };\n\n      if (!textContent) {\n        textContent = createEl(txConOptNormal);\n        el.setTextContent(textContent);\n      } else {\n        // If in some case the performance issue arised, consider\n        // do not clearState but update cached normal state directly.\n        textContent.clearStates();\n      }\n\n      var txConStlOptNormal = txConOptNormal && txConOptNormal.style;\n      updateElNormal(null, textContent, null, dataIndex, txConOptNormal, txConStlOptNormal, null, seriesModel, isInit, true);\n\n      for (var i = 0; i < STATES.length; i++) {\n        var stateName = STATES[i];\n\n        if (stateName !== NORMAL) {\n          var txConOptOtherState = attachedTxInfo[stateName].conOpt;\n          updateElOnState(stateName, textContent, txConOptOtherState, retrieveStyleOptionOnState(txConOptNormal, txConOptOtherState, stateName), null, false, true);\n        }\n      }\n\n      txConStlOptNormal ? textContent.dirty() : textContent.markRedraw();\n    }\n  }\n}\n\nfunction processTxInfo(elOption, state, attachedTxInfo) {\n  var stateOpt = !state ? elOption : retrieveStateOption(elOption, state);\n  var styleOpt = !state ? elOption.style : retrieveStyleOptionOnState(elOption, stateOpt, EMPHASIS);\n  var elType = elOption.type;\n  var txCfg = stateOpt ? stateOpt.textConfig : null;\n  var txConOptNormal = elOption.textContent;\n  var txConOpt = !txConOptNormal ? null : !state ? txConOptNormal : retrieveStateOption(txConOptNormal, state);\n\n  if (styleOpt && ( // Because emphasis style has little info to detect legacy,\n  // if normal is legacy, emphasis is trade as legacy.\n  attachedTxInfo.isLegacy || isEC4CompatibleStyle(styleOpt, elType, !!txCfg, !!txConOpt))) {\n    attachedTxInfo.isLegacy = true;\n    var convertResult = convertFromEC4CompatibleStyle(styleOpt, elType, !state); // Explicitly specified `textConfig` and `textContent` has higher priority than\n    // the ones generated by legacy style. Otherwise if users use them and `api.style`\n    // at the same time, they not both work and hardly to known why.\n\n    if (!txCfg && convertResult.textConfig) {\n      txCfg = convertResult.textConfig;\n    }\n\n    if (!txConOpt && convertResult.textContent) {\n      txConOpt = convertResult.textContent;\n    }\n  }\n\n  if (!state && txConOpt) {\n    var txConOptNormal_1 = txConOpt; // `textContent: {type: 'text'}`, the \"type\" is easy to be missing. So we tolerate it.\n\n    !txConOptNormal_1.type && (txConOptNormal_1.type = 'text');\n\n    if (process.env.NODE_ENV !== 'production') {\n      // Do not tolerate incorret type for forward compat.\n      txConOptNormal_1.type !== 'text' && assert(txConOptNormal_1.type === 'text', 'textContent.type must be \"text\"');\n    }\n  }\n\n  var info = !state ? attachedTxInfo.normal : attachedTxInfo[state];\n  info.cfg = txCfg;\n  info.conOpt = txConOpt;\n}\n\nfunction retrieveStateOption(elOption, state) {\n  return !state ? elOption : elOption ? elOption[state] : null;\n}\n\nfunction retrieveStyleOptionOnState(stateOptionNormal, stateOption, state) {\n  var style = stateOption && stateOption.style;\n\n  if (style == null && state === EMPHASIS && stateOptionNormal) {\n    style = stateOptionNormal.styleEmphasis;\n  }\n\n  return style;\n} // Usage:\n// (1) By default, `elOption.$mergeChildren` is `'byIndex'`, which indicates that\n//     the existing children will not be removed, and enables the feature that\n//     update some of the props of some of the children simply by construct\n//     the returned children of `renderItem` like:\n//     `var children = group.children = []; children[3] = {opacity: 0.5};`\n// (2) If `elOption.$mergeChildren` is `'byName'`, add/update/remove children\n//     by child.name. But that might be lower performance.\n// (3) If `elOption.$mergeChildren` is `false`, the existing children will be\n//     replaced totally.\n// (4) If `!elOption.children`, following the \"merge\" principle, nothing will happen.\n//\n// For implementation simpleness, do not provide a direct way to remove sinlge\n// child (otherwise the total indicies of the children array have to be modified).\n// User can remove a single child by set its `ignore` as `true`.\n\n\nfunction mergeChildren(api, el, dataIndex, elOption, seriesModel, morphPreparation) {\n  var newChildren = elOption.children;\n  var newLen = newChildren ? newChildren.length : 0;\n  var mergeChildren = elOption.$mergeChildren; // `diffChildrenByName` has been deprecated.\n\n  var byName = mergeChildren === 'byName' || elOption.diffChildrenByName;\n  var notMerge = mergeChildren === false; // For better performance on roam update, only enter if necessary.\n\n  if (!newLen && !byName && !notMerge) {\n    return;\n  }\n\n  if (byName) {\n    diffGroupChildren({\n      api: api,\n      oldChildren: el.children() || [],\n      newChildren: newChildren || [],\n      dataIndex: dataIndex,\n      seriesModel: seriesModel,\n      group: el,\n      morphPreparation: morphPreparation\n    });\n    return;\n  }\n\n  notMerge && el.removeAll(); // Mapping children of a group simply by index, which\n  // might be better performance.\n\n  var index = 0;\n\n  for (; index < newLen; index++) {\n    newChildren[index] && doCreateOrUpdateEl(api, el.childAt(index), dataIndex, newChildren[index], seriesModel, el, false, morphPreparation);\n  }\n\n  for (var i = el.childCount() - 1; i >= index; i--) {\n    // Do not supprot leave elements that are not mentioned in the latest\n    // `renderItem` return. Otherwise users may not have a clear and simple\n    // concept that how to contorl all of the elements.\n    doRemoveEl(el.childAt(i), seriesModel, el);\n  }\n}\n\nfunction diffGroupChildren(context) {\n  new DataDiffer(context.oldChildren, context.newChildren, getKey, getKey, context).add(processAddUpdate).update(processAddUpdate).remove(processRemove).execute();\n}\n\nfunction getKey(item, idx) {\n  var name = item && item.name;\n  return name != null ? name : GROUP_DIFF_PREFIX + idx;\n}\n\nfunction processAddUpdate(newIndex, oldIndex) {\n  var context = this.context;\n  var childOption = newIndex != null ? context.newChildren[newIndex] : null;\n  var child = oldIndex != null ? context.oldChildren[oldIndex] : null;\n  doCreateOrUpdateEl(context.api, child, context.dataIndex, childOption, context.seriesModel, context.group, false, context.morphPreparation);\n}\n\nfunction processRemove(oldIndex) {\n  var context = this.context;\n  var child = context.oldChildren[oldIndex];\n  doRemoveEl(child, context.seriesModel, context.group);\n}\n\nfunction doRemoveEl(el, seriesModel, group) {\n  if (el) {\n    var leaveToProps = inner(el).leaveToProps;\n    leaveToProps ? graphicUtil.updateProps(el, leaveToProps, seriesModel, {\n      cb: function () {\n        group.remove(el);\n      }\n    }) : group.remove(el);\n  }\n}\n/**\n * @return SVG Path data.\n */\n\n\nfunction getPathData(shape) {\n  // \"d\" follows the SVG convention.\n  return shape && (shape.pathData || shape.d);\n}\n\nfunction hasOwnPathData(shape) {\n  return shape && (hasOwn(shape, 'pathData') || hasOwn(shape, 'd'));\n}\n\nfunction isPath(el) {\n  return el && el instanceof graphicUtil.Path;\n}\n\nfunction removeElementDirectly(el, group) {\n  el && group.remove(el);\n}\n/**\n * Any morph-potential el should added by `morphPreparation.addTo(el)`.\n * And they may apply morph or not when `morphPreparation.applyMorphing()`.\n * But at least, all of the \"to\" elements will apply all of the updates\n * as `doCreateOrUpdateItem` did.\n */\n\n\nvar MorphPreparation =\n/** @class */\nfunction () {\n  function MorphPreparation(seriesModel, transOpt) {\n    this._fromList = [];\n    this._toList = [];\n    this._toElOptionList = [];\n    this._allPropsFinalList = [];\n    this._toDataIndices = []; // Key: `toDataIndex`, not `toIdx`\n\n    this._morphConfigList = [];\n    this._seriesModel = seriesModel;\n    this._transOpt = transOpt;\n  }\n\n  MorphPreparation.prototype.hasFrom = function () {\n    return !!this._fromList.length;\n  }; // isOneToOneFrom(el: Element): boolean {\n  //     if (el && inner(el).canMorph) {\n  //         const fromList = this._fromList;\n  //         for (let i = 0; i < fromList.length; i++) {\n  //             if (fromList[i] === el) {\n  //                 return true;\n  //             }\n  //         }\n  //     }\n  // }\n\n\n  MorphPreparation.prototype.findAndAddFrom = function (el) {\n    if (!el) {\n      return;\n    }\n\n    if (inner(el).canMorph) {\n      this._fromList.push(el);\n    }\n\n    if (el.isGroup) {\n      var children = el.childrenRef();\n\n      for (var i = 0; i < children.length; i++) {\n        this.findAndAddFrom(children[i]);\n      }\n    }\n  };\n\n  MorphPreparation.prototype.addTo = function (path, elOption, dataIndex, allPropsFinal) {\n    if (path) {\n      this._toList.push(path);\n\n      this._toElOptionList.push(elOption);\n\n      this._toDataIndices.push(dataIndex);\n\n      this._allPropsFinalList.push(allPropsFinal);\n    }\n  };\n\n  MorphPreparation.prototype.applyMorphing = function () {\n    // [MORPHING_LOGIC_HINT]\n    // Pay attention to the order:\n    // (A) Apply `allPropsFinal` and `styleOption` to \"to\".\n    //     (Then \"to\" becomes to the final state.)\n    // (B) Apply `morphPath`/`combine`/`separate`.\n    //     (Based on the current state of \"from\" and the final state of \"to\".)\n    //     (Then we may get \"from.subList\" or \"to.subList\".)\n    // (C) Copy the related props from \"from\" to \"from.subList\", from \"to\" to \"to.subList\".\n    // (D) Collect `transitionFromProps` for \"to\" and \"to.subList\"\n    //     (Based on \"from\" or \"from.subList\".)\n    // (E) Apply `transitionFromProps` to \"to\" and \"to.subList\"\n    //     (It might change the prop values to the first frame value.)\n    // Case_I:\n    //     If (D) should be after (C), we use sequence: A - B - C - D - E\n    // Case_II:\n    //     If (A) should be after (D), we use sequence: D - A - B - C - E\n    // [MORPHING_LOGIC_HINT]\n    // zrender `morphPath`/`combine`/`separate` only manages the shape animation.\n    // Other props (like transfrom, style transition) will handled in echarts).\n    // [MORPHING_LOGIC_HINT]\n    // Make sure `applyPropsFinal` always be called for \"to\".\n    var type = this._type;\n    var fromList = this._fromList;\n    var toList = this._toList;\n    var toListLen = toList.length;\n    var fromListLen = fromList.length;\n\n    if (!fromListLen || !toListLen) {\n      return;\n    }\n\n    if (type === 'oneToOne') {\n      // In one-to-one case, we by default apply a simple rule:\n      // map \"from\" and \"to\" one by one.\n      // For this case: old_data_item_el and new_data_item_el\n      // has the same hierarchy of group tree but only some path type changed.\n      for (var toIdx = 0; toIdx < toListLen; toIdx++) {\n        this._oneToOneForSingleTo(toIdx, toIdx);\n      }\n    } else if (type === 'manyToOne') {\n      // A rough strategy: if there are more than one \"to\", we simply divide \"fromList\" equally.\n      var fromSingleSegLen = Math.max(1, Math.floor(fromListLen / toListLen));\n\n      for (var toIdx = 0, fromIdxStart = 0; toIdx < toListLen; toIdx++, fromIdxStart += fromSingleSegLen) {\n        var fromCount = toIdx + 1 >= toListLen ? fromListLen - fromIdxStart : fromSingleSegLen;\n\n        this._manyToOneForSingleTo(toIdx, fromIdxStart >= fromListLen ? null : fromIdxStart, fromCount);\n      }\n    } else if (type === 'oneToMany') {\n      // A rough strategy: if there are more than one \"from\", we simply divide \"toList\" equally.\n      var toSingleSegLen = Math.max(1, Math.floor(toListLen / fromListLen));\n\n      for (var toIdxStart = 0, fromIdx = 0; toIdxStart < toListLen; toIdxStart += toSingleSegLen, fromIdx++) {\n        var toCount = toIdxStart + toSingleSegLen >= toListLen ? toListLen - toIdxStart : toSingleSegLen;\n\n        this._oneToManyForSingleFrom(toIdxStart, toCount, fromIdx >= fromListLen ? null : fromIdx);\n      }\n    }\n  };\n\n  MorphPreparation.prototype._oneToOneForSingleTo = function ( // \"to\" must NOT be null/undefined.\n  toIdx, // May `fromIdx >= this._fromList.length`\n  fromIdx) {\n    var to = this._toList[toIdx];\n    var toElOption = this._toElOptionList[toIdx];\n    var toDataIndex = this._toDataIndices[toIdx];\n    var allPropsFinal = this._allPropsFinalList[toIdx];\n    var from = this._fromList[fromIdx];\n\n    var elAnimationConfig = this._getOrCreateMorphConfig(toDataIndex);\n\n    var morphDuration = elAnimationConfig.duration;\n\n    if (from && isCombiningPath(from)) {\n      applyPropsFinal(to, allPropsFinal, toElOption.style);\n\n      if (morphDuration) {\n        var combineResult = combine([from], to, elAnimationConfig, copyPropsWhenDivided);\n\n        this._processResultIndividuals(combineResult, toIdx, null);\n      } // The target el will not be displayed and transition from multiple path.\n      // transition on the target el does not make sense.\n\n    } else {\n      var morphFrom = morphDuration // from === to usually happen in scenarios where internal update like\n      // \"dataZoom\", \"legendToggle\" happen. If from is not in any morphing,\n      // we do not need to call `morphPath`.\n      && from && (from !== to || isInAnyMorphing(from)) ? from : null; // See [Case_II] above.\n      // In this case, there is probably `from === to`. And the `transitionFromProps` collecting\n      // does not depends on morphing. So we collect `transitionFromProps` first.\n\n      var transFromProps = {};\n      prepareShapeOrExtraTransitionFrom('shape', to, morphFrom, toElOption, transFromProps, false);\n      prepareShapeOrExtraTransitionFrom('extra', to, morphFrom, toElOption, transFromProps, false);\n      prepareTransformTransitionFrom(to, morphFrom, toElOption, transFromProps, false);\n      prepareStyleTransitionFrom(to, morphFrom, toElOption, toElOption.style, transFromProps, false);\n      applyPropsFinal(to, allPropsFinal, toElOption.style);\n\n      if (morphFrom) {\n        morphPath(morphFrom, to, elAnimationConfig);\n      }\n\n      applyTransitionFrom(to, toDataIndex, toElOption, this._seriesModel, transFromProps, false);\n    }\n  };\n\n  MorphPreparation.prototype._manyToOneForSingleTo = function ( // \"to\" must NOT be null/undefined.\n  toIdx, // May be null.\n  fromIdxStart, fromCount) {\n    var to = this._toList[toIdx];\n    var toElOption = this._toElOptionList[toIdx];\n    var allPropsFinal = this._allPropsFinalList[toIdx];\n    applyPropsFinal(to, allPropsFinal, toElOption.style);\n\n    var elAnimationConfig = this._getOrCreateMorphConfig(this._toDataIndices[toIdx]);\n\n    if (elAnimationConfig.duration && fromIdxStart != null) {\n      var combineFromList = [];\n\n      for (var fromIdx = fromIdxStart; fromIdx < fromCount; fromIdx++) {\n        combineFromList.push(this._fromList[fromIdx]);\n      }\n\n      var combineResult = combine(combineFromList, to, elAnimationConfig, copyPropsWhenDivided);\n\n      this._processResultIndividuals(combineResult, toIdx, null);\n    }\n  };\n\n  MorphPreparation.prototype._oneToManyForSingleFrom = function ( // \"to\" must NOT be null/undefined.\n  toIdxStart, toCount, // May be null\n  fromIdx) {\n    var from = fromIdx == null ? null : this._fromList[fromIdx];\n    var toList = this._toList;\n    var separateToList = [];\n\n    for (var toIdx = toIdxStart; toIdx < toCount; toIdx++) {\n      var to = toList[toIdx];\n      applyPropsFinal(to, this._allPropsFinalList[toIdx], this._toElOptionList[toIdx].style);\n      separateToList.push(to);\n    }\n\n    var elAnimationConfig = this._getOrCreateMorphConfig(this._toDataIndices[toIdxStart]);\n\n    if (elAnimationConfig.duration && from) {\n      var separateResult = separate(from, separateToList, elAnimationConfig, copyPropsWhenDivided);\n\n      this._processResultIndividuals(separateResult, toIdxStart, toCount);\n    }\n  };\n\n  MorphPreparation.prototype._processResultIndividuals = function (combineSeparateResult, toIdxStart, toCount) {\n    var isSeparate = toCount != null;\n\n    for (var i = 0; i < combineSeparateResult.count; i++) {\n      var fromIndividual = combineSeparateResult.fromIndividuals[i];\n      var toIndividual = combineSeparateResult.toIndividuals[i]; // Here it's a trick:\n      // For \"combine\" case, all of the `toIndividuals` map to the same `toIdx`.\n      // For \"separate\" case, the `toIndividuals` map to some certain segment of `_toList` accurately.\n\n      var toIdx = toIdxStart + (isSeparate ? i : 0);\n      var toElOption = this._toElOptionList[toIdx];\n      var dataIndex = this._toDataIndices[toIdx];\n      var transFromProps = {};\n      prepareTransformTransitionFrom(toIndividual, fromIndividual, toElOption, transFromProps, false);\n      prepareStyleTransitionFrom(toIndividual, fromIndividual, toElOption, toElOption.style, transFromProps, false);\n      applyTransitionFrom(toIndividual, dataIndex, toElOption, this._seriesModel, transFromProps, false);\n    }\n  };\n\n  MorphPreparation.prototype._getOrCreateMorphConfig = function (dataIndex) {\n    var morphConfigList = this._morphConfigList;\n    var config = morphConfigList[dataIndex];\n\n    if (config) {\n      return config;\n    }\n\n    var duration;\n    var easing;\n    var delay;\n    var seriesModel = this._seriesModel;\n    var transOpt = this._transOpt;\n\n    if (seriesModel.isAnimationEnabled()) {\n      // PENDING: refactor? this is the same logic as `src/util/graphic.ts#animateOrSetProps`.\n      var animationPayload = void 0;\n\n      if (seriesModel && seriesModel.ecModel) {\n        var updatePayload = seriesModel.ecModel.getUpdatePayload();\n        animationPayload = updatePayload && updatePayload.animation;\n      }\n\n      if (animationPayload) {\n        duration = animationPayload.duration || 0;\n        easing = animationPayload.easing || 'cubicOut';\n        delay = animationPayload.delay || 0;\n      } else {\n        easing = seriesModel.get('animationEasingUpdate');\n        var delayOption = seriesModel.get('animationDelayUpdate');\n        delay = isFunction(delayOption) ? delayOption(dataIndex) : delayOption;\n        var durationOption = seriesModel.get('animationDurationUpdate');\n        duration = isFunction(durationOption) ? durationOption(dataIndex) : durationOption;\n      }\n    }\n\n    config = {\n      duration: duration || 0,\n      delay: delay,\n      easing: easing,\n      dividingMethod: transOpt ? transOpt.dividingMethod : null\n    };\n    morphConfigList[dataIndex] = config;\n    return config;\n  };\n\n  MorphPreparation.prototype.reset = function (type) {\n    // `this._morphConfigList` can be kept. It only related to `dataIndex`.\n    this._type = type;\n    this._fromList.length = this._toList.length = this._toElOptionList.length = this._allPropsFinalList.length = this._toDataIndices.length = 0;\n  };\n\n  return MorphPreparation;\n}();\n\nfunction copyPropsWhenDivided(srcPath, tarPath, willClone) {\n  // Do not copy transform props.\n  // Sub paths are transfrom based on their host path.\n  // tarPath.x = srcPath.x;\n  // tarPath.y = srcPath.y;\n  // tarPath.scaleX = srcPath.scaleX;\n  // tarPath.scaleY = srcPath.scaleY;\n  // tarPath.originX = srcPath.originX;\n  // tarPath.originY = srcPath.originY;\n  // If just carry the style, will not be modifed, so do not copy.\n  tarPath.style = willClone ? clone(srcPath.style) : srcPath.style;\n  tarPath.zlevel = srcPath.zlevel;\n  tarPath.z = srcPath.z;\n  tarPath.z2 = srcPath.z2;\n}\n\nexport function install(registers) {\n  registers.registerChartView(CustomSeriesView);\n  registers.registerSeriesModel(CustomSeriesModel);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport default function calendarPrepareCustom(coordSys) {\n  var rect = coordSys.getRect();\n  var rangeInfo = coordSys.getRangeInfo();\n  return {\n    coordSys: {\n      type: 'calendar',\n      x: rect.x,\n      y: rect.y,\n      width: rect.width,\n      height: rect.height,\n      cellWidth: coordSys.getCellWidth(),\n      cellHeight: coordSys.getCellHeight(),\n      rangeInfo: {\n        start: rangeInfo.start,\n        end: rangeInfo.end,\n        weeks: rangeInfo.weeks,\n        dayCount: rangeInfo.allDay\n      }\n    },\n    api: {\n      coord: function (data, clamp) {\n        return coordSys.dataToPoint(data, clamp);\n      }\n    }\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport * as axisPointerModelHelper from './modelHelper';\nimport * as eventTool from 'zrender/lib/core/event';\nimport * as throttleUtil from '../../util/throttle';\nimport { makeInner } from '../../util/model';\nvar inner = makeInner();\nvar clone = zrUtil.clone;\nvar bind = zrUtil.bind;\n/**\n * Base axis pointer class in 2D.\n */\n\nvar BaseAxisPointer =\n/** @class */\nfunction () {\n  function BaseAxisPointer() {\n    this._dragging = false;\n    /**\n     * In px, arbitrary value. Do not set too small,\n     * no animation is ok for most cases.\n     */\n\n    this.animationThreshold = 15;\n  }\n  /**\n   * @implement\n   */\n\n\n  BaseAxisPointer.prototype.render = function (axisModel, axisPointerModel, api, forceRender) {\n    var value = axisPointerModel.get('value');\n    var status = axisPointerModel.get('status'); // Bind them to `this`, not in closure, otherwise they will not\n    // be replaced when user calling setOption in not merge mode.\n\n    this._axisModel = axisModel;\n    this._axisPointerModel = axisPointerModel;\n    this._api = api; // Optimize: `render` will be called repeatly during mouse move.\n    // So it is power consuming if performing `render` each time,\n    // especially on mobile device.\n\n    if (!forceRender && this._lastValue === value && this._lastStatus === status) {\n      return;\n    }\n\n    this._lastValue = value;\n    this._lastStatus = status;\n    var group = this._group;\n    var handle = this._handle;\n\n    if (!status || status === 'hide') {\n      // Do not clear here, for animation better.\n      group && group.hide();\n      handle && handle.hide();\n      return;\n    }\n\n    group && group.show();\n    handle && handle.show(); // Otherwise status is 'show'\n\n    var elOption = {};\n    this.makeElOption(elOption, value, axisModel, axisPointerModel, api); // Enable change axis pointer type.\n\n    var graphicKey = elOption.graphicKey;\n\n    if (graphicKey !== this._lastGraphicKey) {\n      this.clear(api);\n    }\n\n    this._lastGraphicKey = graphicKey;\n    var moveAnimation = this._moveAnimation = this.determineAnimation(axisModel, axisPointerModel);\n\n    if (!group) {\n      group = this._group = new graphic.Group();\n      this.createPointerEl(group, elOption, axisModel, axisPointerModel);\n      this.createLabelEl(group, elOption, axisModel, axisPointerModel);\n      api.getZr().add(group);\n    } else {\n      var doUpdateProps = zrUtil.curry(updateProps, axisPointerModel, moveAnimation);\n      this.updatePointerEl(group, elOption, doUpdateProps);\n      this.updateLabelEl(group, elOption, doUpdateProps, axisPointerModel);\n    }\n\n    updateMandatoryProps(group, axisPointerModel, true);\n\n    this._renderHandle(value);\n  };\n  /**\n   * @implement\n   */\n\n\n  BaseAxisPointer.prototype.remove = function (api) {\n    this.clear(api);\n  };\n  /**\n   * @implement\n   */\n\n\n  BaseAxisPointer.prototype.dispose = function (api) {\n    this.clear(api);\n  };\n  /**\n   * @protected\n   */\n\n\n  BaseAxisPointer.prototype.determineAnimation = function (axisModel, axisPointerModel) {\n    var animation = axisPointerModel.get('animation');\n    var axis = axisModel.axis;\n    var isCategoryAxis = axis.type === 'category';\n    var useSnap = axisPointerModel.get('snap'); // Value axis without snap always do not snap.\n\n    if (!useSnap && !isCategoryAxis) {\n      return false;\n    }\n\n    if (animation === 'auto' || animation == null) {\n      var animationThreshold = this.animationThreshold;\n\n      if (isCategoryAxis && axis.getBandWidth() > animationThreshold) {\n        return true;\n      } // It is important to auto animation when snap used. Consider if there is\n      // a dataZoom, animation will be disabled when too many points exist, while\n      // it will be enabled for better visual effect when little points exist.\n\n\n      if (useSnap) {\n        var seriesDataCount = axisPointerModelHelper.getAxisInfo(axisModel).seriesDataCount;\n        var axisExtent = axis.getExtent(); // Approximate band width\n\n        return Math.abs(axisExtent[0] - axisExtent[1]) / seriesDataCount > animationThreshold;\n      }\n\n      return false;\n    }\n\n    return animation === true;\n  };\n  /**\n   * add {pointer, label, graphicKey} to elOption\n   * @protected\n   */\n\n\n  BaseAxisPointer.prototype.makeElOption = function (elOption, value, axisModel, axisPointerModel, api) {// Shoule be implemenented by sub-class.\n  };\n  /**\n   * @protected\n   */\n\n\n  BaseAxisPointer.prototype.createPointerEl = function (group, elOption, axisModel, axisPointerModel) {\n    var pointerOption = elOption.pointer;\n\n    if (pointerOption) {\n      var pointerEl = inner(group).pointerEl = new graphic[pointerOption.type](clone(elOption.pointer));\n      group.add(pointerEl);\n    }\n  };\n  /**\n   * @protected\n   */\n\n\n  BaseAxisPointer.prototype.createLabelEl = function (group, elOption, axisModel, axisPointerModel) {\n    if (elOption.label) {\n      var labelEl = inner(group).labelEl = new graphic.Text(clone(elOption.label));\n      group.add(labelEl);\n      updateLabelShowHide(labelEl, axisPointerModel);\n    }\n  };\n  /**\n   * @protected\n   */\n\n\n  BaseAxisPointer.prototype.updatePointerEl = function (group, elOption, updateProps) {\n    var pointerEl = inner(group).pointerEl;\n\n    if (pointerEl && elOption.pointer) {\n      pointerEl.setStyle(elOption.pointer.style);\n      updateProps(pointerEl, {\n        shape: elOption.pointer.shape\n      });\n    }\n  };\n  /**\n   * @protected\n   */\n\n\n  BaseAxisPointer.prototype.updateLabelEl = function (group, elOption, updateProps, axisPointerModel) {\n    var labelEl = inner(group).labelEl;\n\n    if (labelEl) {\n      labelEl.setStyle(elOption.label.style);\n      updateProps(labelEl, {\n        // Consider text length change in vertical axis, animation should\n        // be used on shape, otherwise the effect will be weird.\n        // TODOTODO\n        // shape: elOption.label.shape,\n        x: elOption.label.x,\n        y: elOption.label.y\n      });\n      updateLabelShowHide(labelEl, axisPointerModel);\n    }\n  };\n  /**\n   * @private\n   */\n\n\n  BaseAxisPointer.prototype._renderHandle = function (value) {\n    if (this._dragging || !this.updateHandleTransform) {\n      return;\n    }\n\n    var axisPointerModel = this._axisPointerModel;\n\n    var zr = this._api.getZr();\n\n    var handle = this._handle;\n    var handleModel = axisPointerModel.getModel('handle');\n    var status = axisPointerModel.get('status');\n\n    if (!handleModel.get('show') || !status || status === 'hide') {\n      handle && zr.remove(handle);\n      this._handle = null;\n      return;\n    }\n\n    var isInit;\n\n    if (!this._handle) {\n      isInit = true;\n      handle = this._handle = graphic.createIcon(handleModel.get('icon'), {\n        cursor: 'move',\n        draggable: true,\n        onmousemove: function (e) {\n          // Fot mobile devicem, prevent screen slider on the button.\n          eventTool.stop(e.event);\n        },\n        onmousedown: bind(this._onHandleDragMove, this, 0, 0),\n        drift: bind(this._onHandleDragMove, this),\n        ondragend: bind(this._onHandleDragEnd, this)\n      });\n      zr.add(handle);\n    }\n\n    updateMandatoryProps(handle, axisPointerModel, false); // update style\n\n    handle.setStyle(handleModel.getItemStyle(null, ['color', 'borderColor', 'borderWidth', 'opacity', 'shadowColor', 'shadowBlur', 'shadowOffsetX', 'shadowOffsetY'])); // update position\n\n    var handleSize = handleModel.get('size');\n\n    if (!zrUtil.isArray(handleSize)) {\n      handleSize = [handleSize, handleSize];\n    }\n\n    handle.scaleX = handleSize[0] / 2;\n    handle.scaleY = handleSize[1] / 2;\n    throttleUtil.createOrUpdate(this, '_doDispatchAxisPointer', handleModel.get('throttle') || 0, 'fixRate');\n\n    this._moveHandleToValue(value, isInit);\n  };\n\n  BaseAxisPointer.prototype._moveHandleToValue = function (value, isInit) {\n    updateProps(this._axisPointerModel, !isInit && this._moveAnimation, this._handle, getHandleTransProps(this.getHandleTransform(value, this._axisModel, this._axisPointerModel)));\n  };\n\n  BaseAxisPointer.prototype._onHandleDragMove = function (dx, dy) {\n    var handle = this._handle;\n\n    if (!handle) {\n      return;\n    }\n\n    this._dragging = true; // Persistent for throttle.\n\n    var trans = this.updateHandleTransform(getHandleTransProps(handle), [dx, dy], this._axisModel, this._axisPointerModel);\n    this._payloadInfo = trans;\n    handle.stopAnimation();\n    handle.attr(getHandleTransProps(trans));\n    inner(handle).lastProp = null;\n\n    this._doDispatchAxisPointer();\n  };\n  /**\n   * Throttled method.\n   */\n\n\n  BaseAxisPointer.prototype._doDispatchAxisPointer = function () {\n    var handle = this._handle;\n\n    if (!handle) {\n      return;\n    }\n\n    var payloadInfo = this._payloadInfo;\n    var axisModel = this._axisModel;\n\n    this._api.dispatchAction({\n      type: 'updateAxisPointer',\n      x: payloadInfo.cursorPoint[0],\n      y: payloadInfo.cursorPoint[1],\n      tooltipOption: payloadInfo.tooltipOption,\n      axesInfo: [{\n        axisDim: axisModel.axis.dim,\n        axisIndex: axisModel.componentIndex\n      }]\n    });\n  };\n\n  BaseAxisPointer.prototype._onHandleDragEnd = function () {\n    this._dragging = false;\n    var handle = this._handle;\n\n    if (!handle) {\n      return;\n    }\n\n    var value = this._axisPointerModel.get('value'); // Consider snap or categroy axis, handle may be not consistent with\n    // axisPointer. So move handle to align the exact value position when\n    // drag ended.\n\n\n    this._moveHandleToValue(value); // For the effect: tooltip will be shown when finger holding on handle\n    // button, and will be hidden after finger left handle button.\n\n\n    this._api.dispatchAction({\n      type: 'hideTip'\n    });\n  };\n  /**\n   * @private\n   */\n\n\n  BaseAxisPointer.prototype.clear = function (api) {\n    this._lastValue = null;\n    this._lastStatus = null;\n    var zr = api.getZr();\n    var group = this._group;\n    var handle = this._handle;\n\n    if (zr && group) {\n      this._lastGraphicKey = null;\n      group && zr.remove(group);\n      handle && zr.remove(handle);\n      this._group = null;\n      this._handle = null;\n      this._payloadInfo = null;\n    }\n  };\n  /**\n   * @protected\n   */\n\n\n  BaseAxisPointer.prototype.doClear = function () {// Implemented by sub-class if necessary.\n  };\n\n  BaseAxisPointer.prototype.buildLabel = function (xy, wh, xDimIndex) {\n    xDimIndex = xDimIndex || 0;\n    return {\n      x: xy[xDimIndex],\n      y: xy[1 - xDimIndex],\n      width: wh[xDimIndex],\n      height: wh[1 - xDimIndex]\n    };\n  };\n\n  return BaseAxisPointer;\n}();\n\nfunction updateProps(animationModel, moveAnimation, el, props) {\n  // Animation optimize.\n  if (!propsEqual(inner(el).lastProp, props)) {\n    inner(el).lastProp = props;\n    moveAnimation ? graphic.updateProps(el, props, animationModel) : (el.stopAnimation(), el.attr(props));\n  }\n}\n\nfunction propsEqual(lastProps, newProps) {\n  if (zrUtil.isObject(lastProps) && zrUtil.isObject(newProps)) {\n    var equals_1 = true;\n    zrUtil.each(newProps, function (item, key) {\n      equals_1 = equals_1 && propsEqual(lastProps[key], item);\n    });\n    return !!equals_1;\n  } else {\n    return lastProps === newProps;\n  }\n}\n\nfunction updateLabelShowHide(labelEl, axisPointerModel) {\n  labelEl[axisPointerModel.get(['label', 'show']) ? 'show' : 'hide']();\n}\n\nfunction getHandleTransProps(trans) {\n  return {\n    x: trans.x || 0,\n    y: trans.y || 0,\n    rotation: trans.rotation || 0\n  };\n}\n\nfunction updateMandatoryProps(group, axisPointerModel, silent) {\n  var z = axisPointerModel.get('z');\n  var zlevel = axisPointerModel.get('zlevel');\n  group && group.traverse(function (el) {\n    if (el.type !== 'group') {\n      z != null && (el.z = z);\n      zlevel != null && (el.zlevel = zlevel);\n      el.silent = silent;\n    }\n  });\n}\n\nexport default BaseAxisPointer;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport * as textContain from 'zrender/lib/contain/text';\nimport * as formatUtil from '../../util/format';\nimport * as matrix from 'zrender/lib/core/matrix';\nimport * as axisHelper from '../../coord/axisHelper';\nimport AxisBuilder from '../axis/AxisBuilder';\nimport { createTextStyle } from '../../label/labelStyle';\nexport function buildElStyle(axisPointerModel) {\n  var axisPointerType = axisPointerModel.get('type');\n  var styleModel = axisPointerModel.getModel(axisPointerType + 'Style');\n  var style;\n\n  if (axisPointerType === 'line') {\n    style = styleModel.getLineStyle();\n    style.fill = null;\n  } else if (axisPointerType === 'shadow') {\n    style = styleModel.getAreaStyle();\n    style.stroke = null;\n  }\n\n  return style;\n}\n/**\n * @param {Function} labelPos {align, verticalAlign, position}\n */\n\nexport function buildLabelElOption(elOption, axisModel, axisPointerModel, api, labelPos) {\n  var value = axisPointerModel.get('value');\n  var text = getValueLabel(value, axisModel.axis, axisModel.ecModel, axisPointerModel.get('seriesDataIndices'), {\n    precision: axisPointerModel.get(['label', 'precision']),\n    formatter: axisPointerModel.get(['label', 'formatter'])\n  });\n  var labelModel = axisPointerModel.getModel('label');\n  var paddings = formatUtil.normalizeCssArray(labelModel.get('padding') || 0);\n  var font = labelModel.getFont();\n  var textRect = textContain.getBoundingRect(text, font);\n  var position = labelPos.position;\n  var width = textRect.width + paddings[1] + paddings[3];\n  var height = textRect.height + paddings[0] + paddings[2]; // Adjust by align.\n\n  var align = labelPos.align;\n  align === 'right' && (position[0] -= width);\n  align === 'center' && (position[0] -= width / 2);\n  var verticalAlign = labelPos.verticalAlign;\n  verticalAlign === 'bottom' && (position[1] -= height);\n  verticalAlign === 'middle' && (position[1] -= height / 2); // Not overflow ec container\n\n  confineInContainer(position, width, height, api);\n  var bgColor = labelModel.get('backgroundColor');\n\n  if (!bgColor || bgColor === 'auto') {\n    bgColor = axisModel.get(['axisLine', 'lineStyle', 'color']);\n  }\n\n  elOption.label = {\n    // shape: {x: 0, y: 0, width: width, height: height, r: labelModel.get('borderRadius')},\n    x: position[0],\n    y: position[1],\n    style: createTextStyle(labelModel, {\n      text: text,\n      font: font,\n      fill: labelModel.getTextColor(),\n      padding: paddings,\n      backgroundColor: bgColor\n    }),\n    // Lable should be over axisPointer.\n    z2: 10\n  };\n} // Do not overflow ec container\n\nfunction confineInContainer(position, width, height, api) {\n  var viewWidth = api.getWidth();\n  var viewHeight = api.getHeight();\n  position[0] = Math.min(position[0] + width, viewWidth) - width;\n  position[1] = Math.min(position[1] + height, viewHeight) - height;\n  position[0] = Math.max(position[0], 0);\n  position[1] = Math.max(position[1], 0);\n}\n\nexport function getValueLabel(value, axis, ecModel, seriesDataIndices, opt) {\n  value = axis.scale.parse(value);\n  var text = axis.scale.getLabel({\n    value: value\n  }, {\n    // If `precision` is set, width can be fixed (like '12.00500'), which\n    // helps to debounce when when moving label.\n    precision: opt.precision\n  });\n  var formatter = opt.formatter;\n\n  if (formatter) {\n    var params_1 = {\n      value: axisHelper.getAxisRawValue(axis, {\n        value: value\n      }),\n      axisDimension: axis.dim,\n      axisIndex: axis.index,\n      seriesData: []\n    };\n    zrUtil.each(seriesDataIndices, function (idxItem) {\n      var series = ecModel.getSeriesByIndex(idxItem.seriesIndex);\n      var dataIndex = idxItem.dataIndexInside;\n      var dataParams = series && series.getDataParams(dataIndex);\n      dataParams && params_1.seriesData.push(dataParams);\n    });\n\n    if (zrUtil.isString(formatter)) {\n      text = formatter.replace('{value}', text);\n    } else if (zrUtil.isFunction(formatter)) {\n      text = formatter(params_1);\n    }\n  }\n\n  return text;\n}\nexport function getTransformedPosition(axis, value, layoutInfo) {\n  var transform = matrix.create();\n  matrix.rotate(transform, transform, layoutInfo.rotation);\n  matrix.translate(transform, transform, layoutInfo.position);\n  return graphic.applyTransform([axis.dataToCoord(value), (layoutInfo.labelOffset || 0) + (layoutInfo.labelDirection || 1) * (layoutInfo.labelMargin || 0)], transform);\n}\nexport function buildCartesianSingleLabelElOption(value, elOption, layoutInfo, axisModel, axisPointerModel, api) {\n  // @ts-ignore\n  var textLayout = AxisBuilder.innerTextLayout(layoutInfo.rotation, 0, layoutInfo.labelDirection);\n  layoutInfo.labelMargin = axisPointerModel.get(['label', 'margin']);\n  buildLabelElOption(elOption, axisModel, axisPointerModel, api, {\n    position: getTransformedPosition(axisModel.axis, value, layoutInfo),\n    align: textLayout.textAlign,\n    verticalAlign: textLayout.textVerticalAlign\n  });\n}\nexport function makeLineShape(p1, p2, xDimIndex) {\n  xDimIndex = xDimIndex || 0;\n  return {\n    x1: p1[xDimIndex],\n    y1: p1[1 - xDimIndex],\n    x2: p2[xDimIndex],\n    y2: p2[1 - xDimIndex]\n  };\n}\nexport function makeRectShape(xy, wh, xDimIndex) {\n  xDimIndex = xDimIndex || 0;\n  return {\n    x: xy[xDimIndex],\n    y: xy[1 - xDimIndex],\n    width: wh[xDimIndex],\n    height: wh[1 - xDimIndex]\n  };\n}\nexport function makeSectorShape(cx, cy, r0, r, startAngle, endAngle) {\n  return {\n    cx: cx,\n    cy: cy,\n    r0: r0,\n    r: r,\n    startAngle: startAngle,\n    endAngle: endAngle,\n    clockwise: true\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport BaseAxisPointer from './BaseAxisPointer';\nimport * as viewHelper from './viewHelper';\nimport * as cartesianAxisHelper from '../../coord/cartesian/cartesianAxisHelper';\n\nvar CartesianAxisPointer =\n/** @class */\nfunction (_super) {\n  __extends(CartesianAxisPointer, _super);\n\n  function CartesianAxisPointer() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n  /**\n   * @override\n   */\n\n\n  CartesianAxisPointer.prototype.makeElOption = function (elOption, value, axisModel, axisPointerModel, api) {\n    var axis = axisModel.axis;\n    var grid = axis.grid;\n    var axisPointerType = axisPointerModel.get('type');\n    var otherExtent = getCartesian(grid, axis).getOtherAxis(axis).getGlobalExtent();\n    var pixelValue = axis.toGlobalCoord(axis.dataToCoord(value, true));\n\n    if (axisPointerType && axisPointerType !== 'none') {\n      var elStyle = viewHelper.buildElStyle(axisPointerModel);\n      var pointerOption = pointerShapeBuilder[axisPointerType](axis, pixelValue, otherExtent);\n      pointerOption.style = elStyle;\n      elOption.graphicKey = pointerOption.type;\n      elOption.pointer = pointerOption;\n    }\n\n    var layoutInfo = cartesianAxisHelper.layout(grid.model, axisModel);\n    viewHelper.buildCartesianSingleLabelElOption( // @ts-ignore\n    value, elOption, layoutInfo, axisModel, axisPointerModel, api);\n  };\n  /**\n   * @override\n   */\n\n\n  CartesianAxisPointer.prototype.getHandleTransform = function (value, axisModel, axisPointerModel) {\n    var layoutInfo = cartesianAxisHelper.layout(axisModel.axis.grid.model, axisModel, {\n      labelInside: false\n    }); // @ts-ignore\n\n    layoutInfo.labelMargin = axisPointerModel.get(['handle', 'margin']);\n    var pos = viewHelper.getTransformedPosition(axisModel.axis, value, layoutInfo);\n    return {\n      x: pos[0],\n      y: pos[1],\n      rotation: layoutInfo.rotation + (layoutInfo.labelDirection < 0 ? Math.PI : 0)\n    };\n  };\n  /**\n   * @override\n   */\n\n\n  CartesianAxisPointer.prototype.updateHandleTransform = function (transform, delta, axisModel, axisPointerModel) {\n    var axis = axisModel.axis;\n    var grid = axis.grid;\n    var axisExtent = axis.getGlobalExtent(true);\n    var otherExtent = getCartesian(grid, axis).getOtherAxis(axis).getGlobalExtent();\n    var dimIndex = axis.dim === 'x' ? 0 : 1;\n    var currPosition = [transform.x, transform.y];\n    currPosition[dimIndex] += delta[dimIndex];\n    currPosition[dimIndex] = Math.min(axisExtent[1], currPosition[dimIndex]);\n    currPosition[dimIndex] = Math.max(axisExtent[0], currPosition[dimIndex]);\n    var cursorOtherValue = (otherExtent[1] + otherExtent[0]) / 2;\n    var cursorPoint = [cursorOtherValue, cursorOtherValue];\n    cursorPoint[dimIndex] = currPosition[dimIndex]; // Make tooltip do not overlap axisPointer and in the middle of the grid.\n\n    var tooltipOptions = [{\n      verticalAlign: 'middle'\n    }, {\n      align: 'center'\n    }];\n    return {\n      x: currPosition[0],\n      y: currPosition[1],\n      rotation: transform.rotation,\n      cursorPoint: cursorPoint,\n      tooltipOption: tooltipOptions[dimIndex]\n    };\n  };\n\n  return CartesianAxisPointer;\n}(BaseAxisPointer);\n\nfunction getCartesian(grid, axis) {\n  var opt = {};\n  opt[axis.dim + 'AxisIndex'] = axis.index;\n  return grid.getCartesian(opt);\n}\n\nvar pointerShapeBuilder = {\n  line: function (axis, pixelValue, otherExtent) {\n    var targetShape = viewHelper.makeLineShape([pixelValue, otherExtent[0]], [pixelValue, otherExtent[1]], getAxisDimIndex(axis));\n    return {\n      type: 'Line',\n      subPixelOptimize: true,\n      shape: targetShape\n    };\n  },\n  shadow: function (axis, pixelValue, otherExtent) {\n    var bandWidth = Math.max(1, axis.getBandWidth());\n    var span = otherExtent[1] - otherExtent[0];\n    return {\n      type: 'Rect',\n      shape: viewHelper.makeRectShape([pixelValue - bandWidth / 2, otherExtent[0]], [bandWidth, span], getAxisDimIndex(axis))\n    };\n  }\n};\n\nfunction getAxisDimIndex(axis) {\n  return axis.dim === 'x' ? 0 : 1;\n}\n\nexport default CartesianAxisPointer;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport ComponentModel from '../../model/Component';\n\nvar AxisPointerModel =\n/** @class */\nfunction (_super) {\n  __extends(AxisPointerModel, _super);\n\n  function AxisPointerModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = AxisPointerModel.type;\n    return _this;\n  }\n\n  AxisPointerModel.type = 'axisPointer';\n  AxisPointerModel.defaultOption = {\n    // 'auto' means that show when triggered by tooltip or handle.\n    show: 'auto',\n    zlevel: 0,\n    z: 50,\n    type: 'line',\n    // axispointer triggered by tootip determine snap automatically,\n    // see `modelHelper`.\n    snap: false,\n    triggerTooltip: true,\n    value: null,\n    status: null,\n    link: [],\n    // Do not set 'auto' here, otherwise global animation: false\n    // will not effect at this axispointer.\n    animation: null,\n    animationDurationUpdate: 200,\n    lineStyle: {\n      color: '#B9BEC9',\n      width: 1,\n      type: 'dashed'\n    },\n    shadowStyle: {\n      color: 'rgba(210,219,238,0.2)'\n    },\n    label: {\n      show: true,\n      formatter: null,\n      precision: 'auto',\n      margin: 3,\n      color: '#fff',\n      padding: [5, 7, 5, 7],\n      backgroundColor: 'auto',\n      borderColor: null,\n      borderWidth: 0,\n      borderRadius: 3\n    },\n    handle: {\n      show: false,\n      // eslint-disable-next-line\n      icon: 'M10.7,11.9v-1.3H9.3v1.3c-4.9,0.3-8.8,4.4-8.8,9.4c0,5,3.9,9.1,8.8,9.4h1.3c4.9-0.3,8.8-4.4,8.8-9.4C19.5,16.3,15.6,12.2,10.7,11.9z M13.3,24.4H6.7v-1.2h6.6z M13.3,22H6.7v-1.2h6.6z M13.3,19.6H6.7v-1.2h6.6z',\n      size: 45,\n      // handle margin is from symbol center to axis, which is stable when circular move.\n      margin: 50,\n      // color: '#1b8bbd'\n      // color: '#2f4554'\n      color: '#333',\n      shadowBlur: 3,\n      shadowColor: '#aaa',\n      shadowOffsetX: 0,\n      shadowOffsetY: 2,\n      // For mobile performance\n      throttle: 40\n    }\n  };\n  return AxisPointerModel;\n}(ComponentModel);\n\nexport default AxisPointerModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport env from 'zrender/lib/core/env';\nimport { makeInner } from '../../util/model';\nvar inner = makeInner();\nvar each = zrUtil.each;\n/**\n * @param {string} key\n * @param {module:echarts/ExtensionAPI} api\n * @param {Function} handler\n *      param: {string} currTrigger\n *      param: {Array.<number>} point\n */\n\nexport function register(key, api, handler) {\n  if (env.node) {\n    return;\n  }\n\n  var zr = api.getZr();\n  inner(zr).records || (inner(zr).records = {});\n  initGlobalListeners(zr, api);\n  var record = inner(zr).records[key] || (inner(zr).records[key] = {});\n  record.handler = handler;\n}\n\nfunction initGlobalListeners(zr, api) {\n  if (inner(zr).initialized) {\n    return;\n  }\n\n  inner(zr).initialized = true;\n  useHandler('click', zrUtil.curry(doEnter, 'click'));\n  useHandler('mousemove', zrUtil.curry(doEnter, 'mousemove')); // useHandler('mouseout', onLeave);\n\n  useHandler('globalout', onLeave);\n\n  function useHandler(eventType, cb) {\n    zr.on(eventType, function (e) {\n      var dis = makeDispatchAction(api);\n      each(inner(zr).records, function (record) {\n        record && cb(record, e, dis.dispatchAction);\n      });\n      dispatchTooltipFinally(dis.pendings, api);\n    });\n  }\n}\n\nfunction dispatchTooltipFinally(pendings, api) {\n  var showLen = pendings.showTip.length;\n  var hideLen = pendings.hideTip.length;\n  var actuallyPayload;\n\n  if (showLen) {\n    actuallyPayload = pendings.showTip[showLen - 1];\n  } else if (hideLen) {\n    actuallyPayload = pendings.hideTip[hideLen - 1];\n  }\n\n  if (actuallyPayload) {\n    actuallyPayload.dispatchAction = null;\n    api.dispatchAction(actuallyPayload);\n  }\n}\n\nfunction onLeave(record, e, dispatchAction) {\n  record.handler('leave', null, dispatchAction);\n}\n\nfunction doEnter(currTrigger, record, e, dispatchAction) {\n  record.handler(currTrigger, e, dispatchAction);\n}\n\nfunction makeDispatchAction(api) {\n  var pendings = {\n    showTip: [],\n    hideTip: []\n  }; // FIXME\n  // better approach?\n  // 'showTip' and 'hideTip' can be triggered by axisPointer and tooltip,\n  // which may be conflict, (axisPointer call showTip but tooltip call hideTip);\n  // So we have to add \"final stage\" to merge those dispatched actions.\n\n  var dispatchAction = function (payload) {\n    var pendingList = pendings[payload.type];\n\n    if (pendingList) {\n      pendingList.push(payload);\n    } else {\n      payload.dispatchAction = dispatchAction;\n      api.dispatchAction(payload);\n    }\n  };\n\n  return {\n    dispatchAction: dispatchAction,\n    pendings: pendings\n  };\n}\n\nexport function unregister(key, api) {\n  if (env.node) {\n    return;\n  }\n\n  var zr = api.getZr();\n  var record = (inner(zr).records || {})[key];\n\n  if (record) {\n    inner(zr).records[key] = null;\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as globalListener from './globalListener';\nimport ComponentView from '../../view/Component';\n\nvar AxisPointerView =\n/** @class */\nfunction (_super) {\n  __extends(AxisPointerView, _super);\n\n  function AxisPointerView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = AxisPointerView.type;\n    return _this;\n  }\n\n  AxisPointerView.prototype.render = function (globalAxisPointerModel, ecModel, api) {\n    var globalTooltipModel = ecModel.getComponent('tooltip');\n    var triggerOn = globalAxisPointerModel.get('triggerOn') || globalTooltipModel && globalTooltipModel.get('triggerOn') || 'mousemove|click'; // Register global listener in AxisPointerView to enable\n    // AxisPointerView to be independent to Tooltip.\n\n    globalListener.register('axisPointer', api, function (currTrigger, e, dispatchAction) {\n      // If 'none', it is not controlled by mouse totally.\n      if (triggerOn !== 'none' && (currTrigger === 'leave' || triggerOn.indexOf(currTrigger) >= 0)) {\n        dispatchAction({\n          type: 'updateAxisPointer',\n          currTrigger: currTrigger,\n          x: e && e.offsetX,\n          y: e && e.offsetY\n        });\n      }\n    });\n  };\n\n  AxisPointerView.prototype.remove = function (ecModel, api) {\n    globalListener.unregister('axisPointer', api);\n  };\n\n  AxisPointerView.prototype.dispose = function (ecModel, api) {\n    globalListener.unregister('axisPointer', api);\n  };\n\n  AxisPointerView.type = 'axisPointer';\n  return AxisPointerView;\n}(ComponentView);\n\nexport default AxisPointerView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as modelUtil from '../../util/model';\n/**\n * @param finder contains {seriesIndex, dataIndex, dataIndexInside}\n * @param ecModel\n * @return  {point: [x, y], el: ...} point Will not be null.\n */\n\nexport default function findPointFromSeries(finder, ecModel) {\n  var point = [];\n  var seriesIndex = finder.seriesIndex;\n  var seriesModel;\n\n  if (seriesIndex == null || !(seriesModel = ecModel.getSeriesByIndex(seriesIndex))) {\n    return {\n      point: []\n    };\n  }\n\n  var data = seriesModel.getData();\n  var dataIndex = modelUtil.queryDataIndex(data, finder);\n\n  if (dataIndex == null || dataIndex < 0 || zrUtil.isArray(dataIndex)) {\n    return {\n      point: []\n    };\n  }\n\n  var el = data.getItemGraphicEl(dataIndex);\n  var coordSys = seriesModel.coordinateSystem;\n\n  if (seriesModel.getTooltipPosition) {\n    point = seriesModel.getTooltipPosition(dataIndex) || [];\n  } else if (coordSys && coordSys.dataToPoint) {\n    if (finder.isStacked) {\n      var baseAxis = coordSys.getBaseAxis();\n      var valueAxis = coordSys.getOtherAxis(baseAxis);\n      var valueAxisDim = valueAxis.dim;\n      var baseAxisDim = baseAxis.dim;\n      var baseDataOffset = valueAxisDim === 'x' || valueAxisDim === 'radius' ? 1 : 0;\n      var baseDim = data.mapDimension(baseAxisDim);\n      var stackedData = [];\n      stackedData[baseDataOffset] = data.get(baseDim, dataIndex);\n      stackedData[1 - baseDataOffset] = data.get(data.getCalculationInfo('stackResultDimension'), dataIndex);\n      point = coordSys.dataToPoint(stackedData) || [];\n    } else {\n      point = coordSys.dataToPoint(data.getValues(zrUtil.map(coordSys.dimensions, function (dim) {\n        return data.mapDimension(dim);\n      }), dataIndex)) || [];\n    }\n  } else if (el) {\n    // Use graphic bounding rect\n    var rect = el.getBoundingRect().clone();\n    rect.applyTransform(el.transform);\n    point = [rect.x + rect.width / 2, rect.y + rect.height / 2];\n  }\n\n  return {\n    point: point,\n    el: el\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { makeInner } from '../../util/model';\nimport * as modelHelper from './modelHelper';\nimport findPointFromSeries from './findPointFromSeries';\nimport { each, curry, bind, extend } from 'zrender/lib/core/util';\nvar inner = makeInner();\n/**\n * Basic logic: check all axis, if they do not demand show/highlight,\n * then hide/downplay them.\n *\n * @return content of event obj for echarts.connect.\n */\n\nexport default function axisTrigger(payload, ecModel, api) {\n  var currTrigger = payload.currTrigger;\n  var point = [payload.x, payload.y];\n  var finder = payload;\n  var dispatchAction = payload.dispatchAction || bind(api.dispatchAction, api);\n  var coordSysAxesInfo = ecModel.getComponent('axisPointer').coordSysAxesInfo; // Pending\n  // See #6121. But we are not able to reproduce it yet.\n\n  if (!coordSysAxesInfo) {\n    return;\n  }\n\n  if (illegalPoint(point)) {\n    // Used in the default behavior of `connection`: use the sample seriesIndex\n    // and dataIndex. And also used in the tooltipView trigger.\n    point = findPointFromSeries({\n      seriesIndex: finder.seriesIndex,\n      // Do not use dataIndexInside from other ec instance.\n      // FIXME: auto detect it?\n      dataIndex: finder.dataIndex\n    }, ecModel).point;\n  }\n\n  var isIllegalPoint = illegalPoint(point); // Axis and value can be specified when calling dispatchAction({type: 'updateAxisPointer'}).\n  // Notice: In this case, it is difficult to get the `point` (which is necessary to show\n  // tooltip, so if point is not given, we just use the point found by sample seriesIndex\n  // and dataIndex.\n\n  var inputAxesInfo = finder.axesInfo;\n  var axesInfo = coordSysAxesInfo.axesInfo;\n  var shouldHide = currTrigger === 'leave' || illegalPoint(point);\n  var outputPayload = {};\n  var showValueMap = {};\n  var dataByCoordSys = {\n    list: [],\n    map: {}\n  };\n  var updaters = {\n    showPointer: curry(showPointer, showValueMap),\n    showTooltip: curry(showTooltip, dataByCoordSys)\n  }; // Process for triggered axes.\n\n  each(coordSysAxesInfo.coordSysMap, function (coordSys, coordSysKey) {\n    // If a point given, it must be contained by the coordinate system.\n    var coordSysContainsPoint = isIllegalPoint || coordSys.containPoint(point);\n    each(coordSysAxesInfo.coordSysAxesInfo[coordSysKey], function (axisInfo, key) {\n      var axis = axisInfo.axis;\n      var inputAxisInfo = findInputAxisInfo(inputAxesInfo, axisInfo); // If no inputAxesInfo, no axis is restricted.\n\n      if (!shouldHide && coordSysContainsPoint && (!inputAxesInfo || inputAxisInfo)) {\n        var val = inputAxisInfo && inputAxisInfo.value;\n\n        if (val == null && !isIllegalPoint) {\n          val = axis.pointToData(point);\n        }\n\n        val != null && processOnAxis(axisInfo, val, updaters, false, outputPayload);\n      }\n    });\n  }); // Process for linked axes.\n\n  var linkTriggers = {};\n  each(axesInfo, function (tarAxisInfo, tarKey) {\n    var linkGroup = tarAxisInfo.linkGroup; // If axis has been triggered in the previous stage, it should not be triggered by link.\n\n    if (linkGroup && !showValueMap[tarKey]) {\n      each(linkGroup.axesInfo, function (srcAxisInfo, srcKey) {\n        var srcValItem = showValueMap[srcKey]; // If srcValItem exist, source axis is triggered, so link to target axis.\n\n        if (srcAxisInfo !== tarAxisInfo && srcValItem) {\n          var val = srcValItem.value;\n          linkGroup.mapper && (val = tarAxisInfo.axis.scale.parse(linkGroup.mapper(val, makeMapperParam(srcAxisInfo), makeMapperParam(tarAxisInfo))));\n          linkTriggers[tarAxisInfo.key] = val;\n        }\n      });\n    }\n  });\n  each(linkTriggers, function (val, tarKey) {\n    processOnAxis(axesInfo[tarKey], val, updaters, true, outputPayload);\n  });\n  updateModelActually(showValueMap, axesInfo, outputPayload);\n  dispatchTooltipActually(dataByCoordSys, point, payload, dispatchAction);\n  dispatchHighDownActually(axesInfo, dispatchAction, api);\n  return outputPayload;\n}\n\nfunction processOnAxis(axisInfo, newValue, updaters, noSnap, outputFinder) {\n  var axis = axisInfo.axis;\n\n  if (axis.scale.isBlank() || !axis.containData(newValue)) {\n    return;\n  }\n\n  if (!axisInfo.involveSeries) {\n    updaters.showPointer(axisInfo, newValue);\n    return;\n  } // Heavy calculation. So put it after axis.containData checking.\n\n\n  var payloadInfo = buildPayloadsBySeries(newValue, axisInfo);\n  var payloadBatch = payloadInfo.payloadBatch;\n  var snapToValue = payloadInfo.snapToValue; // Fill content of event obj for echarts.connect.\n  // By default use the first involved series data as a sample to connect.\n\n  if (payloadBatch[0] && outputFinder.seriesIndex == null) {\n    extend(outputFinder, payloadBatch[0]);\n  } // If no linkSource input, this process is for collecting link\n  // target, where snap should not be accepted.\n\n\n  if (!noSnap && axisInfo.snap) {\n    if (axis.containData(snapToValue) && snapToValue != null) {\n      newValue = snapToValue;\n    }\n  }\n\n  updaters.showPointer(axisInfo, newValue, payloadBatch); // Tooltip should always be snapToValue, otherwise there will be\n  // incorrect \"axis value ~ series value\" mapping displayed in tooltip.\n\n  updaters.showTooltip(axisInfo, payloadInfo, snapToValue);\n}\n\nfunction buildPayloadsBySeries(value, axisInfo) {\n  var axis = axisInfo.axis;\n  var dim = axis.dim;\n  var snapToValue = value;\n  var payloadBatch = [];\n  var minDist = Number.MAX_VALUE;\n  var minDiff = -1;\n  each(axisInfo.seriesModels, function (series, idx) {\n    var dataDim = series.getData().mapDimensionsAll(dim);\n    var seriesNestestValue;\n    var dataIndices;\n\n    if (series.getAxisTooltipData) {\n      var result = series.getAxisTooltipData(dataDim, value, axis);\n      dataIndices = result.dataIndices;\n      seriesNestestValue = result.nestestValue;\n    } else {\n      dataIndices = series.getData().indicesOfNearest(dataDim[0], value, // Add a threshold to avoid find the wrong dataIndex\n      // when data length is not same.\n      // false,\n      axis.type === 'category' ? 0.5 : null);\n\n      if (!dataIndices.length) {\n        return;\n      }\n\n      seriesNestestValue = series.getData().get(dataDim[0], dataIndices[0]);\n    }\n\n    if (seriesNestestValue == null || !isFinite(seriesNestestValue)) {\n      return;\n    }\n\n    var diff = value - seriesNestestValue;\n    var dist = Math.abs(diff); // Consider category case\n\n    if (dist <= minDist) {\n      if (dist < minDist || diff >= 0 && minDiff < 0) {\n        minDist = dist;\n        minDiff = diff;\n        snapToValue = seriesNestestValue;\n        payloadBatch.length = 0;\n      }\n\n      each(dataIndices, function (dataIndex) {\n        payloadBatch.push({\n          seriesIndex: series.seriesIndex,\n          dataIndexInside: dataIndex,\n          dataIndex: series.getData().getRawIndex(dataIndex)\n        });\n      });\n    }\n  });\n  return {\n    payloadBatch: payloadBatch,\n    snapToValue: snapToValue\n  };\n}\n\nfunction showPointer(showValueMap, axisInfo, value, payloadBatch) {\n  showValueMap[axisInfo.key] = {\n    value: value,\n    payloadBatch: payloadBatch\n  };\n}\n\nfunction showTooltip(dataByCoordSys, axisInfo, payloadInfo, value) {\n  var payloadBatch = payloadInfo.payloadBatch;\n  var axis = axisInfo.axis;\n  var axisModel = axis.model;\n  var axisPointerModel = axisInfo.axisPointerModel; // If no data, do not create anything in dataByCoordSys,\n  // whose length will be used to judge whether dispatch action.\n\n  if (!axisInfo.triggerTooltip || !payloadBatch.length) {\n    return;\n  }\n\n  var coordSysModel = axisInfo.coordSys.model;\n  var coordSysKey = modelHelper.makeKey(coordSysModel);\n  var coordSysItem = dataByCoordSys.map[coordSysKey];\n\n  if (!coordSysItem) {\n    coordSysItem = dataByCoordSys.map[coordSysKey] = {\n      coordSysId: coordSysModel.id,\n      coordSysIndex: coordSysModel.componentIndex,\n      coordSysType: coordSysModel.type,\n      coordSysMainType: coordSysModel.mainType,\n      dataByAxis: []\n    };\n    dataByCoordSys.list.push(coordSysItem);\n  }\n\n  coordSysItem.dataByAxis.push({\n    axisDim: axis.dim,\n    axisIndex: axisModel.componentIndex,\n    axisType: axisModel.type,\n    axisId: axisModel.id,\n    value: value,\n    // Caustion: viewHelper.getValueLabel is actually on \"view stage\", which\n    // depends that all models have been updated. So it should not be performed\n    // here. Considering axisPointerModel used here is volatile, which is hard\n    // to be retrieve in TooltipView, we prepare parameters here.\n    valueLabelOpt: {\n      precision: axisPointerModel.get(['label', 'precision']),\n      formatter: axisPointerModel.get(['label', 'formatter'])\n    },\n    seriesDataIndices: payloadBatch.slice()\n  });\n}\n\nfunction updateModelActually(showValueMap, axesInfo, outputPayload) {\n  var outputAxesInfo = outputPayload.axesInfo = []; // Basic logic: If no 'show' required, 'hide' this axisPointer.\n\n  each(axesInfo, function (axisInfo, key) {\n    var option = axisInfo.axisPointerModel.option;\n    var valItem = showValueMap[key];\n\n    if (valItem) {\n      !axisInfo.useHandle && (option.status = 'show');\n      option.value = valItem.value; // For label formatter param and highlight.\n\n      option.seriesDataIndices = (valItem.payloadBatch || []).slice();\n    } // When always show (e.g., handle used), remain\n    // original value and status.\n    else {\n        // If hide, value still need to be set, consider\n        // click legend to toggle axis blank.\n        !axisInfo.useHandle && (option.status = 'hide');\n      } // If status is 'hide', should be no info in payload.\n\n\n    option.status === 'show' && outputAxesInfo.push({\n      axisDim: axisInfo.axis.dim,\n      axisIndex: axisInfo.axis.model.componentIndex,\n      value: option.value\n    });\n  });\n}\n\nfunction dispatchTooltipActually(dataByCoordSys, point, payload, dispatchAction) {\n  // Basic logic: If no showTip required, hideTip will be dispatched.\n  if (illegalPoint(point) || !dataByCoordSys.list.length) {\n    dispatchAction({\n      type: 'hideTip'\n    });\n    return;\n  } // In most case only one axis (or event one series is used). It is\n  // convinient to fetch payload.seriesIndex and payload.dataIndex\n  // dirtectly. So put the first seriesIndex and dataIndex of the first\n  // axis on the payload.\n\n\n  var sampleItem = ((dataByCoordSys.list[0].dataByAxis[0] || {}).seriesDataIndices || [])[0] || {};\n  dispatchAction({\n    type: 'showTip',\n    escapeConnect: true,\n    x: point[0],\n    y: point[1],\n    tooltipOption: payload.tooltipOption,\n    position: payload.position,\n    dataIndexInside: sampleItem.dataIndexInside,\n    dataIndex: sampleItem.dataIndex,\n    seriesIndex: sampleItem.seriesIndex,\n    dataByCoordSys: dataByCoordSys.list\n  });\n}\n\nfunction dispatchHighDownActually(axesInfo, dispatchAction, api) {\n  // FIXME\n  // highlight status modification shoule be a stage of main process?\n  // (Consider confilct (e.g., legend and axisPointer) and setOption)\n  var zr = api.getZr();\n  var highDownKey = 'axisPointerLastHighlights';\n  var lastHighlights = inner(zr)[highDownKey] || {};\n  var newHighlights = inner(zr)[highDownKey] = {}; // Update highlight/downplay status according to axisPointer model.\n  // Build hash map and remove duplicate incidentally.\n\n  each(axesInfo, function (axisInfo, key) {\n    var option = axisInfo.axisPointerModel.option;\n    option.status === 'show' && each(option.seriesDataIndices, function (batchItem) {\n      var key = batchItem.seriesIndex + ' | ' + batchItem.dataIndex;\n      newHighlights[key] = batchItem;\n    });\n  }); // Diff.\n\n  var toHighlight = [];\n  var toDownplay = [];\n  each(lastHighlights, function (batchItem, key) {\n    !newHighlights[key] && toDownplay.push(batchItem);\n  });\n  each(newHighlights, function (batchItem, key) {\n    !lastHighlights[key] && toHighlight.push(batchItem);\n  });\n  toDownplay.length && api.dispatchAction({\n    type: 'downplay',\n    escapeConnect: true,\n    // Not blur others when highlight in axisPointer.\n    notBlur: true,\n    batch: toDownplay\n  });\n  toHighlight.length && api.dispatchAction({\n    type: 'highlight',\n    escapeConnect: true,\n    // Not blur others when highlight in axisPointer.\n    notBlur: true,\n    batch: toHighlight\n  });\n}\n\nfunction findInputAxisInfo(inputAxesInfo, axisInfo) {\n  for (var i = 0; i < (inputAxesInfo || []).length; i++) {\n    var inputAxisInfo = inputAxesInfo[i];\n\n    if (axisInfo.axis.dim === inputAxisInfo.axisDim && axisInfo.axis.model.componentIndex === inputAxisInfo.axisIndex) {\n      return inputAxisInfo;\n    }\n  }\n}\n\nfunction makeMapperParam(axisInfo) {\n  var axisModel = axisInfo.axis.model;\n  var item = {};\n  var dim = item.axisDim = axisInfo.axis.dim;\n  item.axisIndex = item[dim + 'AxisIndex'] = axisModel.componentIndex;\n  item.axisName = item[dim + 'AxisName'] = axisModel.name;\n  item.axisId = item[dim + 'AxisId'] = axisModel.id;\n  return item;\n}\n\nfunction illegalPoint(point) {\n  return !point || point[0] == null || isNaN(point[0]) || point[1] == null || isNaN(point[1]);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport AxisView from '../axis/AxisView';\nimport CartesianAxisPointer from './CartesianAxisPointer';\nimport AxisPointerModel from './AxisPointerModel';\nimport AxisPointerView from './AxisPointerView';\nimport { isArray } from 'zrender/lib/core/util';\nimport { collect } from './modelHelper';\nimport axisTrigger from './axisTrigger';\nexport function install(registers) {\n  // CartesianAxisPointer is not supposed to be required here. But consider\n  // echarts.simple.js and online build tooltip, which only require gridSimple,\n  // CartesianAxisPointer should be able to required somewhere.\n  AxisView.registerAxisPointerClass('CartesianAxisPointer', CartesianAxisPointer);\n  registers.registerComponentModel(AxisPointerModel);\n  registers.registerComponentView(AxisPointerView);\n  registers.registerPreprocessor(function (option) {\n    // Always has a global axisPointerModel for default setting.\n    if (option) {\n      (!option.axisPointer || option.axisPointer.length === 0) && (option.axisPointer = {});\n      var link = option.axisPointer.link; // Normalize to array to avoid object mergin. But if link\n      // is not set, remain null/undefined, otherwise it will\n      // override existent link setting.\n\n      if (link && !isArray(link)) {\n        option.axisPointer.link = [link];\n      }\n    }\n  }); // This process should proformed after coordinate systems created\n  // and series data processed. So put it on statistic processing stage.\n\n  registers.registerProcessor(registers.PRIORITY.PROCESSOR.STATISTIC, function (ecModel, api) {\n    // Build axisPointerModel, mergin tooltip.axisPointer model for each axis.\n    // allAxesInfo should be updated when setOption performed.\n    ecModel.getComponent('axisPointer').coordSysAxesInfo = collect(ecModel, api);\n  }); // Broadcast to all views.\n\n  registers.registerAction({\n    type: 'updateAxisPointer',\n    event: 'updateAxisPointer',\n    update: ':updateAxisPointer'\n  }, axisTrigger);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport BaseAxisPointer from './BaseAxisPointer';\nimport * as graphic from '../../util/graphic';\nimport * as viewHelper from './viewHelper';\nimport * as matrix from 'zrender/lib/core/matrix';\nimport AxisBuilder from '../axis/AxisBuilder';\n\nvar PolarAxisPointer =\n/** @class */\nfunction (_super) {\n  __extends(PolarAxisPointer, _super);\n\n  function PolarAxisPointer() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n  /**\n   * @override\n   */\n\n\n  PolarAxisPointer.prototype.makeElOption = function (elOption, value, axisModel, axisPointerModel, api) {\n    var axis = axisModel.axis;\n\n    if (axis.dim === 'angle') {\n      this.animationThreshold = Math.PI / 18;\n    }\n\n    var polar = axis.polar;\n    var otherAxis = polar.getOtherAxis(axis);\n    var otherExtent = otherAxis.getExtent();\n    var coordValue = axis.dataToCoord(value);\n    var axisPointerType = axisPointerModel.get('type');\n\n    if (axisPointerType && axisPointerType !== 'none') {\n      var elStyle = viewHelper.buildElStyle(axisPointerModel);\n      var pointerOption = pointerShapeBuilder[axisPointerType](axis, polar, coordValue, otherExtent);\n      pointerOption.style = elStyle;\n      elOption.graphicKey = pointerOption.type;\n      elOption.pointer = pointerOption;\n    }\n\n    var labelMargin = axisPointerModel.get(['label', 'margin']);\n    var labelPos = getLabelPosition(value, axisModel, axisPointerModel, polar, labelMargin);\n    viewHelper.buildLabelElOption(elOption, axisModel, axisPointerModel, api, labelPos);\n  };\n\n  return PolarAxisPointer;\n}(BaseAxisPointer);\n\n;\n\nfunction getLabelPosition(value, axisModel, axisPointerModel, polar, labelMargin) {\n  var axis = axisModel.axis;\n  var coord = axis.dataToCoord(value);\n  var axisAngle = polar.getAngleAxis().getExtent()[0];\n  axisAngle = axisAngle / 180 * Math.PI;\n  var radiusExtent = polar.getRadiusAxis().getExtent();\n  var position;\n  var align;\n  var verticalAlign;\n\n  if (axis.dim === 'radius') {\n    var transform = matrix.create();\n    matrix.rotate(transform, transform, axisAngle);\n    matrix.translate(transform, transform, [polar.cx, polar.cy]);\n    position = graphic.applyTransform([coord, -labelMargin], transform);\n    var labelRotation = axisModel.getModel('axisLabel').get('rotate') || 0; // @ts-ignore\n\n    var labelLayout = AxisBuilder.innerTextLayout(axisAngle, labelRotation * Math.PI / 180, -1);\n    align = labelLayout.textAlign;\n    verticalAlign = labelLayout.textVerticalAlign;\n  } else {\n    // angle axis\n    var r = radiusExtent[1];\n    position = polar.coordToPoint([r + labelMargin, coord]);\n    var cx = polar.cx;\n    var cy = polar.cy;\n    align = Math.abs(position[0] - cx) / r < 0.3 ? 'center' : position[0] > cx ? 'left' : 'right';\n    verticalAlign = Math.abs(position[1] - cy) / r < 0.3 ? 'middle' : position[1] > cy ? 'top' : 'bottom';\n  }\n\n  return {\n    position: position,\n    align: align,\n    verticalAlign: verticalAlign\n  };\n}\n\nvar pointerShapeBuilder = {\n  line: function (axis, polar, coordValue, otherExtent) {\n    return axis.dim === 'angle' ? {\n      type: 'Line',\n      shape: viewHelper.makeLineShape(polar.coordToPoint([otherExtent[0], coordValue]), polar.coordToPoint([otherExtent[1], coordValue]))\n    } : {\n      type: 'Circle',\n      shape: {\n        cx: polar.cx,\n        cy: polar.cy,\n        r: coordValue\n      }\n    };\n  },\n  shadow: function (axis, polar, coordValue, otherExtent) {\n    var bandWidth = Math.max(1, axis.getBandWidth());\n    var radian = Math.PI / 180;\n    return axis.dim === 'angle' ? {\n      type: 'Sector',\n      shape: viewHelper.makeSectorShape(polar.cx, polar.cy, otherExtent[0], otherExtent[1], // In ECharts y is negative if angle is positive\n      (-coordValue - bandWidth / 2) * radian, (-coordValue + bandWidth / 2) * radian)\n    } : {\n      type: 'Sector',\n      shape: viewHelper.makeSectorShape(polar.cx, polar.cy, coordValue - bandWidth / 2, coordValue + bandWidth / 2, 0, Math.PI * 2)\n    };\n  }\n};\nexport default PolarAxisPointer;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport ComponentModel from '../../model/Component';\n\nvar PolarModel =\n/** @class */\nfunction (_super) {\n  __extends(PolarModel, _super);\n\n  function PolarModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = PolarModel.type;\n    return _this;\n  }\n\n  PolarModel.prototype.findAxisModel = function (axisType) {\n    var foundAxisModel;\n    var ecModel = this.ecModel;\n    ecModel.eachComponent(axisType, function (axisModel) {\n      if (axisModel.getCoordSysModel() === this) {\n        foundAxisModel = axisModel;\n      }\n    }, this);\n    return foundAxisModel;\n  };\n\n  PolarModel.type = 'polar';\n  PolarModel.dependencies = ['radiusAxis', 'angleAxis'];\n  PolarModel.defaultOption = {\n    zlevel: 0,\n    z: 0,\n    center: ['50%', '50%'],\n    radius: '80%'\n  };\n  return PolarModel;\n}(ComponentModel);\n\nexport default PolarModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport ComponentModel from '../../model/Component';\nimport { AxisModelCommonMixin } from '../axisModelCommonMixin';\nimport { SINGLE_REFERRING } from '../../util/model';\n\nvar PolarAxisModel =\n/** @class */\nfunction (_super) {\n  __extends(PolarAxisModel, _super);\n\n  function PolarAxisModel() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  PolarAxisModel.prototype.getCoordSysModel = function () {\n    return this.getReferringComponents('polar', SINGLE_REFERRING).models[0];\n  };\n\n  PolarAxisModel.type = 'polarAxis';\n  return PolarAxisModel;\n}(ComponentModel);\n\nzrUtil.mixin(PolarAxisModel, AxisModelCommonMixin);\nexport { PolarAxisModel };\n\nvar AngleAxisModel =\n/** @class */\nfunction (_super) {\n  __extends(AngleAxisModel, _super);\n\n  function AngleAxisModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = AngleAxisModel.type;\n    return _this;\n  }\n\n  AngleAxisModel.type = 'angleAxis';\n  return AngleAxisModel;\n}(PolarAxisModel);\n\nexport { AngleAxisModel };\n\nvar RadiusAxisModel =\n/** @class */\nfunction (_super) {\n  __extends(RadiusAxisModel, _super);\n\n  function RadiusAxisModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = RadiusAxisModel.type;\n    return _this;\n  }\n\n  RadiusAxisModel.type = 'radiusAxis';\n  return RadiusAxisModel;\n}(PolarAxisModel);\n\nexport { RadiusAxisModel };","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport Axis from '../Axis';\n\nvar RadiusAxis =\n/** @class */\nfunction (_super) {\n  __extends(RadiusAxis, _super);\n\n  function RadiusAxis(scale, radiusExtent) {\n    return _super.call(this, 'radius', scale, radiusExtent) || this;\n  }\n\n  RadiusAxis.prototype.pointToData = function (point, clamp) {\n    return this.polar.pointToData(point, clamp)[this.dim === 'radius' ? 0 : 1];\n  };\n\n  return RadiusAxis;\n}(Axis);\n\nRadiusAxis.prototype.dataToRadius = Axis.prototype.dataToCoord;\nRadiusAxis.prototype.radiusToData = Axis.prototype.coordToData;\nexport default RadiusAxis;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as textContain from 'zrender/lib/contain/text';\nimport Axis from '../Axis';\nimport { makeInner } from '../../util/model';\nvar inner = makeInner();\n\nvar AngleAxis =\n/** @class */\nfunction (_super) {\n  __extends(AngleAxis, _super);\n\n  function AngleAxis(scale, angleExtent) {\n    return _super.call(this, 'angle', scale, angleExtent || [0, 360]) || this;\n  }\n\n  AngleAxis.prototype.pointToData = function (point, clamp) {\n    return this.polar.pointToData(point, clamp)[this.dim === 'radius' ? 0 : 1];\n  };\n  /**\n   * Only be called in category axis.\n   * Angle axis uses text height to decide interval\n   *\n   * @override\n   * @return {number} Auto interval for cateogry axis tick and label\n   */\n\n\n  AngleAxis.prototype.calculateCategoryInterval = function () {\n    var axis = this;\n    var labelModel = axis.getLabelModel();\n    var ordinalScale = axis.scale;\n    var ordinalExtent = ordinalScale.getExtent(); // Providing this method is for optimization:\n    // avoid generating a long array by `getTicks`\n    // in large category data case.\n\n    var tickCount = ordinalScale.count();\n\n    if (ordinalExtent[1] - ordinalExtent[0] < 1) {\n      return 0;\n    }\n\n    var tickValue = ordinalExtent[0];\n    var unitSpan = axis.dataToCoord(tickValue + 1) - axis.dataToCoord(tickValue);\n    var unitH = Math.abs(unitSpan); // Not precise, just use height as text width\n    // and each distance from axis line yet.\n\n    var rect = textContain.getBoundingRect(tickValue == null ? '' : tickValue + '', labelModel.getFont(), 'center', 'top');\n    var maxH = Math.max(rect.height, 7);\n    var dh = maxH / unitH; // 0/0 is NaN, 1/0 is Infinity.\n\n    isNaN(dh) && (dh = Infinity);\n    var interval = Math.max(0, Math.floor(dh));\n    var cache = inner(axis.model);\n    var lastAutoInterval = cache.lastAutoInterval;\n    var lastTickCount = cache.lastTickCount; // Use cache to keep interval stable while moving zoom window,\n    // otherwise the calculated interval might jitter when the zoom\n    // window size is close to the interval-changing size.\n\n    if (lastAutoInterval != null && lastTickCount != null && Math.abs(lastAutoInterval - interval) <= 1 && Math.abs(lastTickCount - tickCount) <= 1 // Always choose the bigger one, otherwise the critical\n    // point is not the same when zooming in or zooming out.\n    && lastAutoInterval > interval) {\n      interval = lastAutoInterval;\n    } // Only update cache if cache not used, otherwise the\n    // changing of interval is too insensitive.\n    else {\n        cache.lastTickCount = tickCount;\n        cache.lastAutoInterval = interval;\n      }\n\n    return interval;\n  };\n\n  return AngleAxis;\n}(Axis);\n\nAngleAxis.prototype.dataToAngle = Axis.prototype.dataToCoord;\nAngleAxis.prototype.angleToData = Axis.prototype.coordToData;\nexport default AngleAxis;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport RadiusAxis from './RadiusAxis';\nimport AngleAxis from './AngleAxis';\n\nvar Polar =\n/** @class */\nfunction () {\n  function Polar(name) {\n    this.dimensions = ['radius', 'angle'];\n    this.type = 'polar';\n    /**\n     * x of polar center\n     */\n\n    this.cx = 0;\n    /**\n     * y of polar center\n     */\n\n    this.cy = 0;\n    this._radiusAxis = new RadiusAxis();\n    this._angleAxis = new AngleAxis();\n    this.axisPointerEnabled = true;\n    this.name = name || '';\n    this._radiusAxis.polar = this._angleAxis.polar = this;\n  }\n  /**\n   * If contain coord\n   */\n\n\n  Polar.prototype.containPoint = function (point) {\n    var coord = this.pointToCoord(point);\n    return this._radiusAxis.contain(coord[0]) && this._angleAxis.contain(coord[1]);\n  };\n  /**\n   * If contain data\n   */\n\n\n  Polar.prototype.containData = function (data) {\n    return this._radiusAxis.containData(data[0]) && this._angleAxis.containData(data[1]);\n  };\n\n  Polar.prototype.getAxis = function (dim) {\n    var key = '_' + dim + 'Axis';\n    return this[key];\n  };\n\n  Polar.prototype.getAxes = function () {\n    return [this._radiusAxis, this._angleAxis];\n  };\n  /**\n   * Get axes by type of scale\n   */\n\n\n  Polar.prototype.getAxesByScale = function (scaleType) {\n    var axes = [];\n    var angleAxis = this._angleAxis;\n    var radiusAxis = this._radiusAxis;\n    angleAxis.scale.type === scaleType && axes.push(angleAxis);\n    radiusAxis.scale.type === scaleType && axes.push(radiusAxis);\n    return axes;\n  };\n\n  Polar.prototype.getAngleAxis = function () {\n    return this._angleAxis;\n  };\n\n  Polar.prototype.getRadiusAxis = function () {\n    return this._radiusAxis;\n  };\n\n  Polar.prototype.getOtherAxis = function (axis) {\n    var angleAxis = this._angleAxis;\n    return axis === angleAxis ? this._radiusAxis : angleAxis;\n  };\n  /**\n   * Base axis will be used on stacking.\n   *\n   */\n\n\n  Polar.prototype.getBaseAxis = function () {\n    return this.getAxesByScale('ordinal')[0] || this.getAxesByScale('time')[0] || this.getAngleAxis();\n  };\n\n  Polar.prototype.getTooltipAxes = function (dim) {\n    var baseAxis = dim != null && dim !== 'auto' ? this.getAxis(dim) : this.getBaseAxis();\n    return {\n      baseAxes: [baseAxis],\n      otherAxes: [this.getOtherAxis(baseAxis)]\n    };\n  };\n  /**\n   * Convert a single data item to (x, y) point.\n   * Parameter data is an array which the first element is radius and the second is angle\n   */\n\n\n  Polar.prototype.dataToPoint = function (data, clamp) {\n    return this.coordToPoint([this._radiusAxis.dataToRadius(data[0], clamp), this._angleAxis.dataToAngle(data[1], clamp)]);\n  };\n  /**\n   * Convert a (x, y) point to data\n   */\n\n\n  Polar.prototype.pointToData = function (point, clamp) {\n    var coord = this.pointToCoord(point);\n    return [this._radiusAxis.radiusToData(coord[0], clamp), this._angleAxis.angleToData(coord[1], clamp)];\n  };\n  /**\n   * Convert a (x, y) point to (radius, angle) coord\n   */\n\n\n  Polar.prototype.pointToCoord = function (point) {\n    var dx = point[0] - this.cx;\n    var dy = point[1] - this.cy;\n    var angleAxis = this.getAngleAxis();\n    var extent = angleAxis.getExtent();\n    var minAngle = Math.min(extent[0], extent[1]);\n    var maxAngle = Math.max(extent[0], extent[1]); // Fix fixed extent in polarCreator\n    // FIXME\n\n    angleAxis.inverse ? minAngle = maxAngle - 360 : maxAngle = minAngle + 360;\n    var radius = Math.sqrt(dx * dx + dy * dy);\n    dx /= radius;\n    dy /= radius;\n    var radian = Math.atan2(-dy, dx) / Math.PI * 180; // move to angleExtent\n\n    var dir = radian < minAngle ? 1 : -1;\n\n    while (radian < minAngle || radian > maxAngle) {\n      radian += dir * 360;\n    }\n\n    return [radius, radian];\n  };\n  /**\n   * Convert a (radius, angle) coord to (x, y) point\n   */\n\n\n  Polar.prototype.coordToPoint = function (coord) {\n    var radius = coord[0];\n    var radian = coord[1] / 180 * Math.PI;\n    var x = Math.cos(radian) * radius + this.cx; // Inverse the y\n\n    var y = -Math.sin(radian) * radius + this.cy;\n    return [x, y];\n  };\n  /**\n   * Get ring area of cartesian.\n   * Area will have a contain function to determine if a point is in the coordinate system.\n   */\n\n\n  Polar.prototype.getArea = function () {\n    var angleAxis = this.getAngleAxis();\n    var radiusAxis = this.getRadiusAxis();\n    var radiusExtent = radiusAxis.getExtent().slice();\n    radiusExtent[0] > radiusExtent[1] && radiusExtent.reverse();\n    var angleExtent = angleAxis.getExtent();\n    var RADIAN = Math.PI / 180;\n    return {\n      cx: this.cx,\n      cy: this.cy,\n      r0: radiusExtent[0],\n      r: radiusExtent[1],\n      startAngle: -angleExtent[0] * RADIAN,\n      endAngle: -angleExtent[1] * RADIAN,\n      clockwise: angleAxis.inverse,\n      contain: function (x, y) {\n        // It's a ring shape.\n        // Start angle and end angle don't matter\n        var dx = x - this.cx;\n        var dy = y - this.cy;\n        var d2 = dx * dx + dy * dy;\n        var r = this.r;\n        var r0 = this.r0;\n        return d2 <= r * r && d2 >= r0 * r0;\n      }\n    };\n  };\n\n  Polar.prototype.convertToPixel = function (ecModel, finder, value) {\n    var coordSys = getCoordSys(finder);\n    return coordSys === this ? this.dataToPoint(value) : null;\n  };\n\n  Polar.prototype.convertFromPixel = function (ecModel, finder, pixel) {\n    var coordSys = getCoordSys(finder);\n    return coordSys === this ? this.pointToData(pixel) : null;\n  };\n\n  return Polar;\n}();\n\nfunction getCoordSys(finder) {\n  var seriesModel = finder.seriesModel;\n  var polarModel = finder.polarModel;\n  return polarModel && polarModel.coordinateSystem || seriesModel && seriesModel.coordinateSystem;\n}\n\nexport default Polar;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// TODO Axis scale\nimport * as zrUtil from 'zrender/lib/core/util';\nimport Polar from './Polar';\nimport { parsePercent } from '../../util/number';\nimport { createScaleByModel, niceScaleExtent, getDataDimensionsOnAxis } from '../../coord/axisHelper';\nimport { SINGLE_REFERRING } from '../../util/model';\n/**\n * Resize method bound to the polar\n */\n\nfunction resizePolar(polar, polarModel, api) {\n  var center = polarModel.get('center');\n  var width = api.getWidth();\n  var height = api.getHeight();\n  polar.cx = parsePercent(center[0], width);\n  polar.cy = parsePercent(center[1], height);\n  var radiusAxis = polar.getRadiusAxis();\n  var size = Math.min(width, height) / 2;\n  var radius = polarModel.get('radius');\n\n  if (radius == null) {\n    radius = [0, '100%'];\n  } else if (!zrUtil.isArray(radius)) {\n    // r0 = 0\n    radius = [0, radius];\n  }\n\n  var parsedRadius = [parsePercent(radius[0], size), parsePercent(radius[1], size)];\n  radiusAxis.inverse ? radiusAxis.setExtent(parsedRadius[1], parsedRadius[0]) : radiusAxis.setExtent(parsedRadius[0], parsedRadius[1]);\n}\n/**\n * Update polar\n */\n\n\nfunction updatePolarScale(ecModel, api) {\n  var polar = this;\n  var angleAxis = polar.getAngleAxis();\n  var radiusAxis = polar.getRadiusAxis(); // Reset scale\n\n  angleAxis.scale.setExtent(Infinity, -Infinity);\n  radiusAxis.scale.setExtent(Infinity, -Infinity);\n  ecModel.eachSeries(function (seriesModel) {\n    if (seriesModel.coordinateSystem === polar) {\n      var data_1 = seriesModel.getData();\n      zrUtil.each(getDataDimensionsOnAxis(data_1, 'radius'), function (dim) {\n        radiusAxis.scale.unionExtentFromData(data_1, dim);\n      });\n      zrUtil.each(getDataDimensionsOnAxis(data_1, 'angle'), function (dim) {\n        angleAxis.scale.unionExtentFromData(data_1, dim);\n      });\n    }\n  });\n  niceScaleExtent(angleAxis.scale, angleAxis.model);\n  niceScaleExtent(radiusAxis.scale, radiusAxis.model); // Fix extent of category angle axis\n\n  if (angleAxis.type === 'category' && !angleAxis.onBand) {\n    var extent = angleAxis.getExtent();\n    var diff = 360 / angleAxis.scale.count();\n    angleAxis.inverse ? extent[1] += diff : extent[1] -= diff;\n    angleAxis.setExtent(extent[0], extent[1]);\n  }\n}\n\nfunction isAngleAxisModel(axisModel) {\n  return axisModel.mainType === 'angleAxis';\n}\n/**\n * Set common axis properties\n */\n\n\nfunction setAxis(axis, axisModel) {\n  axis.type = axisModel.get('type');\n  axis.scale = createScaleByModel(axisModel);\n  axis.onBand = axisModel.get('boundaryGap') && axis.type === 'category';\n  axis.inverse = axisModel.get('inverse');\n\n  if (isAngleAxisModel(axisModel)) {\n    axis.inverse = axis.inverse !== axisModel.get('clockwise');\n    var startAngle = axisModel.get('startAngle');\n    axis.setExtent(startAngle, startAngle + (axis.inverse ? -360 : 360));\n  } // Inject axis instance\n\n\n  axisModel.axis = axis;\n  axis.model = axisModel;\n}\n\nvar polarCreator = {\n  dimensions: Polar.prototype.dimensions,\n  create: function (ecModel, api) {\n    var polarList = [];\n    ecModel.eachComponent('polar', function (polarModel, idx) {\n      var polar = new Polar(idx + ''); // Inject resize and update method\n\n      polar.update = updatePolarScale;\n      var radiusAxis = polar.getRadiusAxis();\n      var angleAxis = polar.getAngleAxis();\n      var radiusAxisModel = polarModel.findAxisModel('radiusAxis');\n      var angleAxisModel = polarModel.findAxisModel('angleAxis');\n      setAxis(radiusAxis, radiusAxisModel);\n      setAxis(angleAxis, angleAxisModel);\n      resizePolar(polar, polarModel, api);\n      polarList.push(polar);\n      polarModel.coordinateSystem = polar;\n      polar.model = polarModel;\n    }); // Inject coordinateSystem to series\n\n    ecModel.eachSeries(function (seriesModel) {\n      if (seriesModel.get('coordinateSystem') === 'polar') {\n        var polarModel = seriesModel.getReferringComponents('polar', SINGLE_REFERRING).models[0];\n\n        if (process.env.NODE_ENV !== 'production') {\n          if (!polarModel) {\n            throw new Error('Polar \"' + zrUtil.retrieve(seriesModel.get('polarIndex'), seriesModel.get('polarId'), 0) + '\" not found');\n          }\n        }\n\n        seriesModel.coordinateSystem = polarModel.coordinateSystem;\n      }\n    });\n    return polarList;\n  }\n};\nexport default polarCreator;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport { createTextStyle } from '../../label/labelStyle';\nimport Model from '../../model/Model';\nimport AxisView from './AxisView';\nimport AxisBuilder from './AxisBuilder';\nimport { getECData } from '../../util/innerStore';\nvar elementList = ['axisLine', 'axisLabel', 'axisTick', 'minorTick', 'splitLine', 'minorSplitLine', 'splitArea'];\n\nfunction getAxisLineShape(polar, rExtent, angle) {\n  rExtent[1] > rExtent[0] && (rExtent = rExtent.slice().reverse());\n  var start = polar.coordToPoint([rExtent[0], angle]);\n  var end = polar.coordToPoint([rExtent[1], angle]);\n  return {\n    x1: start[0],\n    y1: start[1],\n    x2: end[0],\n    y2: end[1]\n  };\n}\n\nfunction getRadiusIdx(polar) {\n  var radiusAxis = polar.getRadiusAxis();\n  return radiusAxis.inverse ? 0 : 1;\n} // Remove the last tick which will overlap the first tick\n\n\nfunction fixAngleOverlap(list) {\n  var firstItem = list[0];\n  var lastItem = list[list.length - 1];\n\n  if (firstItem && lastItem && Math.abs(Math.abs(firstItem.coord - lastItem.coord) - 360) < 1e-4) {\n    list.pop();\n  }\n}\n\nvar AngleAxisView =\n/** @class */\nfunction (_super) {\n  __extends(AngleAxisView, _super);\n\n  function AngleAxisView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = AngleAxisView.type;\n    _this.axisPointerClass = 'PolarAxisPointer';\n    return _this;\n  }\n\n  AngleAxisView.prototype.render = function (angleAxisModel, ecModel) {\n    this.group.removeAll();\n\n    if (!angleAxisModel.get('show')) {\n      return;\n    }\n\n    var angleAxis = angleAxisModel.axis;\n    var polar = angleAxis.polar;\n    var radiusExtent = polar.getRadiusAxis().getExtent();\n    var ticksAngles = angleAxis.getTicksCoords();\n    var minorTickAngles = angleAxis.getMinorTicksCoords();\n    var labels = zrUtil.map(angleAxis.getViewLabels(), function (labelItem) {\n      labelItem = zrUtil.clone(labelItem);\n      var scale = angleAxis.scale;\n      var tickValue = scale.type === 'ordinal' ? scale.getRawOrdinalNumber(labelItem.tickValue) : labelItem.tickValue;\n      labelItem.coord = angleAxis.dataToCoord(tickValue);\n      return labelItem;\n    });\n    fixAngleOverlap(labels);\n    fixAngleOverlap(ticksAngles);\n    zrUtil.each(elementList, function (name) {\n      if (angleAxisModel.get([name, 'show']) && (!angleAxis.scale.isBlank() || name === 'axisLine')) {\n        angelAxisElementsBuilders[name](this.group, angleAxisModel, polar, ticksAngles, minorTickAngles, radiusExtent, labels);\n      }\n    }, this);\n  };\n\n  AngleAxisView.type = 'angleAxis';\n  return AngleAxisView;\n}(AxisView);\n\nvar angelAxisElementsBuilders = {\n  axisLine: function (group, angleAxisModel, polar, ticksAngles, minorTickAngles, radiusExtent) {\n    var lineStyleModel = angleAxisModel.getModel(['axisLine', 'lineStyle']); // extent id of the axis radius (r0 and r)\n\n    var rId = getRadiusIdx(polar);\n    var r0Id = rId ? 0 : 1;\n    var shape;\n\n    if (radiusExtent[r0Id] === 0) {\n      shape = new graphic.Circle({\n        shape: {\n          cx: polar.cx,\n          cy: polar.cy,\n          r: radiusExtent[rId]\n        },\n        style: lineStyleModel.getLineStyle(),\n        z2: 1,\n        silent: true\n      });\n    } else {\n      shape = new graphic.Ring({\n        shape: {\n          cx: polar.cx,\n          cy: polar.cy,\n          r: radiusExtent[rId],\n          r0: radiusExtent[r0Id]\n        },\n        style: lineStyleModel.getLineStyle(),\n        z2: 1,\n        silent: true\n      });\n    }\n\n    shape.style.fill = null;\n    group.add(shape);\n  },\n  axisTick: function (group, angleAxisModel, polar, ticksAngles, minorTickAngles, radiusExtent) {\n    var tickModel = angleAxisModel.getModel('axisTick');\n    var tickLen = (tickModel.get('inside') ? -1 : 1) * tickModel.get('length');\n    var radius = radiusExtent[getRadiusIdx(polar)];\n    var lines = zrUtil.map(ticksAngles, function (tickAngleItem) {\n      return new graphic.Line({\n        shape: getAxisLineShape(polar, [radius, radius + tickLen], tickAngleItem.coord)\n      });\n    });\n    group.add(graphic.mergePath(lines, {\n      style: zrUtil.defaults(tickModel.getModel('lineStyle').getLineStyle(), {\n        stroke: angleAxisModel.get(['axisLine', 'lineStyle', 'color'])\n      })\n    }));\n  },\n  minorTick: function (group, angleAxisModel, polar, tickAngles, minorTickAngles, radiusExtent) {\n    if (!minorTickAngles.length) {\n      return;\n    }\n\n    var tickModel = angleAxisModel.getModel('axisTick');\n    var minorTickModel = angleAxisModel.getModel('minorTick');\n    var tickLen = (tickModel.get('inside') ? -1 : 1) * minorTickModel.get('length');\n    var radius = radiusExtent[getRadiusIdx(polar)];\n    var lines = [];\n\n    for (var i = 0; i < minorTickAngles.length; i++) {\n      for (var k = 0; k < minorTickAngles[i].length; k++) {\n        lines.push(new graphic.Line({\n          shape: getAxisLineShape(polar, [radius, radius + tickLen], minorTickAngles[i][k].coord)\n        }));\n      }\n    }\n\n    group.add(graphic.mergePath(lines, {\n      style: zrUtil.defaults(minorTickModel.getModel('lineStyle').getLineStyle(), zrUtil.defaults(tickModel.getLineStyle(), {\n        stroke: angleAxisModel.get(['axisLine', 'lineStyle', 'color'])\n      }))\n    }));\n  },\n  axisLabel: function (group, angleAxisModel, polar, ticksAngles, minorTickAngles, radiusExtent, labels) {\n    var rawCategoryData = angleAxisModel.getCategories(true);\n    var commonLabelModel = angleAxisModel.getModel('axisLabel');\n    var labelMargin = commonLabelModel.get('margin');\n    var triggerEvent = angleAxisModel.get('triggerEvent'); // Use length of ticksAngles because it may remove the last tick to avoid overlapping\n\n    zrUtil.each(labels, function (labelItem, idx) {\n      var labelModel = commonLabelModel;\n      var tickValue = labelItem.tickValue;\n      var r = radiusExtent[getRadiusIdx(polar)];\n      var p = polar.coordToPoint([r + labelMargin, labelItem.coord]);\n      var cx = polar.cx;\n      var cy = polar.cy;\n      var labelTextAlign = Math.abs(p[0] - cx) / r < 0.3 ? 'center' : p[0] > cx ? 'left' : 'right';\n      var labelTextVerticalAlign = Math.abs(p[1] - cy) / r < 0.3 ? 'middle' : p[1] > cy ? 'top' : 'bottom';\n\n      if (rawCategoryData && rawCategoryData[tickValue]) {\n        var rawCategoryItem = rawCategoryData[tickValue];\n\n        if (zrUtil.isObject(rawCategoryItem) && rawCategoryItem.textStyle) {\n          labelModel = new Model(rawCategoryItem.textStyle, commonLabelModel, commonLabelModel.ecModel);\n        }\n      }\n\n      var textEl = new graphic.Text({\n        silent: AxisBuilder.isLabelSilent(angleAxisModel),\n        style: createTextStyle(labelModel, {\n          x: p[0],\n          y: p[1],\n          fill: labelModel.getTextColor() || angleAxisModel.get(['axisLine', 'lineStyle', 'color']),\n          text: labelItem.formattedLabel,\n          align: labelTextAlign,\n          verticalAlign: labelTextVerticalAlign\n        })\n      });\n      group.add(textEl); // Pack data for mouse event\n\n      if (triggerEvent) {\n        var eventData = AxisBuilder.makeAxisEventDataBase(angleAxisModel);\n        eventData.targetType = 'axisLabel';\n        eventData.value = labelItem.rawLabel;\n        getECData(textEl).eventData = eventData;\n      }\n    }, this);\n  },\n  splitLine: function (group, angleAxisModel, polar, ticksAngles, minorTickAngles, radiusExtent) {\n    var splitLineModel = angleAxisModel.getModel('splitLine');\n    var lineStyleModel = splitLineModel.getModel('lineStyle');\n    var lineColors = lineStyleModel.get('color');\n    var lineCount = 0;\n    lineColors = lineColors instanceof Array ? lineColors : [lineColors];\n    var splitLines = [];\n\n    for (var i = 0; i < ticksAngles.length; i++) {\n      var colorIndex = lineCount++ % lineColors.length;\n      splitLines[colorIndex] = splitLines[colorIndex] || [];\n      splitLines[colorIndex].push(new graphic.Line({\n        shape: getAxisLineShape(polar, radiusExtent, ticksAngles[i].coord)\n      }));\n    } // Simple optimization\n    // Batching the lines if color are the same\n\n\n    for (var i = 0; i < splitLines.length; i++) {\n      group.add(graphic.mergePath(splitLines[i], {\n        style: zrUtil.defaults({\n          stroke: lineColors[i % lineColors.length]\n        }, lineStyleModel.getLineStyle()),\n        silent: true,\n        z: angleAxisModel.get('z')\n      }));\n    }\n  },\n  minorSplitLine: function (group, angleAxisModel, polar, ticksAngles, minorTickAngles, radiusExtent) {\n    if (!minorTickAngles.length) {\n      return;\n    }\n\n    var minorSplitLineModel = angleAxisModel.getModel('minorSplitLine');\n    var lineStyleModel = minorSplitLineModel.getModel('lineStyle');\n    var lines = [];\n\n    for (var i = 0; i < minorTickAngles.length; i++) {\n      for (var k = 0; k < minorTickAngles[i].length; k++) {\n        lines.push(new graphic.Line({\n          shape: getAxisLineShape(polar, radiusExtent, minorTickAngles[i][k].coord)\n        }));\n      }\n    }\n\n    group.add(graphic.mergePath(lines, {\n      style: lineStyleModel.getLineStyle(),\n      silent: true,\n      z: angleAxisModel.get('z')\n    }));\n  },\n  splitArea: function (group, angleAxisModel, polar, ticksAngles, minorTickAngles, radiusExtent) {\n    if (!ticksAngles.length) {\n      return;\n    }\n\n    var splitAreaModel = angleAxisModel.getModel('splitArea');\n    var areaStyleModel = splitAreaModel.getModel('areaStyle');\n    var areaColors = areaStyleModel.get('color');\n    var lineCount = 0;\n    areaColors = areaColors instanceof Array ? areaColors : [areaColors];\n    var splitAreas = [];\n    var RADIAN = Math.PI / 180;\n    var prevAngle = -ticksAngles[0].coord * RADIAN;\n    var r0 = Math.min(radiusExtent[0], radiusExtent[1]);\n    var r1 = Math.max(radiusExtent[0], radiusExtent[1]);\n    var clockwise = angleAxisModel.get('clockwise');\n\n    for (var i = 1, len = ticksAngles.length; i <= len; i++) {\n      var coord = i === len ? ticksAngles[0].coord : ticksAngles[i].coord;\n      var colorIndex = lineCount++ % areaColors.length;\n      splitAreas[colorIndex] = splitAreas[colorIndex] || [];\n      splitAreas[colorIndex].push(new graphic.Sector({\n        shape: {\n          cx: polar.cx,\n          cy: polar.cy,\n          r0: r0,\n          r: r1,\n          startAngle: prevAngle,\n          endAngle: -coord * RADIAN,\n          clockwise: clockwise\n        },\n        silent: true\n      }));\n      prevAngle = -coord * RADIAN;\n    } // Simple optimization\n    // Batching the lines if color are the same\n\n\n    for (var i = 0; i < splitAreas.length; i++) {\n      group.add(graphic.mergePath(splitAreas[i], {\n        style: zrUtil.defaults({\n          fill: areaColors[i % areaColors.length]\n        }, areaStyleModel.getAreaStyle()),\n        silent: true\n      }));\n    }\n  }\n};\nexport default AngleAxisView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport AxisBuilder from './AxisBuilder';\nimport AxisView from './AxisView';\nvar axisBuilderAttrs = ['axisLine', 'axisTickLabel', 'axisName'];\nvar selfBuilderAttrs = ['splitLine', 'splitArea', 'minorSplitLine'];\n\nvar RadiusAxisView =\n/** @class */\nfunction (_super) {\n  __extends(RadiusAxisView, _super);\n\n  function RadiusAxisView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = RadiusAxisView.type;\n    _this.axisPointerClass = 'PolarAxisPointer';\n    return _this;\n  }\n\n  RadiusAxisView.prototype.render = function (radiusAxisModel, ecModel) {\n    this.group.removeAll();\n\n    if (!radiusAxisModel.get('show')) {\n      return;\n    }\n\n    var oldAxisGroup = this._axisGroup;\n    var newAxisGroup = this._axisGroup = new graphic.Group();\n    this.group.add(newAxisGroup);\n    var radiusAxis = radiusAxisModel.axis;\n    var polar = radiusAxis.polar;\n    var angleAxis = polar.getAngleAxis();\n    var ticksCoords = radiusAxis.getTicksCoords();\n    var minorTicksCoords = radiusAxis.getMinorTicksCoords();\n    var axisAngle = angleAxis.getExtent()[0];\n    var radiusExtent = radiusAxis.getExtent();\n    var layout = layoutAxis(polar, radiusAxisModel, axisAngle);\n    var axisBuilder = new AxisBuilder(radiusAxisModel, layout);\n    zrUtil.each(axisBuilderAttrs, axisBuilder.add, axisBuilder);\n    newAxisGroup.add(axisBuilder.getGroup());\n    graphic.groupTransition(oldAxisGroup, newAxisGroup, radiusAxisModel);\n    zrUtil.each(selfBuilderAttrs, function (name) {\n      if (radiusAxisModel.get([name, 'show']) && !radiusAxis.scale.isBlank()) {\n        axisElementBuilders[name](this.group, radiusAxisModel, polar, axisAngle, radiusExtent, ticksCoords, minorTicksCoords);\n      }\n    }, this);\n  };\n\n  RadiusAxisView.type = 'radiusAxis';\n  return RadiusAxisView;\n}(AxisView);\n\nvar axisElementBuilders = {\n  splitLine: function (group, radiusAxisModel, polar, axisAngle, radiusExtent, ticksCoords) {\n    var splitLineModel = radiusAxisModel.getModel('splitLine');\n    var lineStyleModel = splitLineModel.getModel('lineStyle');\n    var lineColors = lineStyleModel.get('color');\n    var lineCount = 0;\n    lineColors = lineColors instanceof Array ? lineColors : [lineColors];\n    var splitLines = [];\n\n    for (var i = 0; i < ticksCoords.length; i++) {\n      var colorIndex = lineCount++ % lineColors.length;\n      splitLines[colorIndex] = splitLines[colorIndex] || [];\n      splitLines[colorIndex].push(new graphic.Circle({\n        shape: {\n          cx: polar.cx,\n          cy: polar.cy,\n          r: ticksCoords[i].coord\n        }\n      }));\n    } // Simple optimization\n    // Batching the lines if color are the same\n\n\n    for (var i = 0; i < splitLines.length; i++) {\n      group.add(graphic.mergePath(splitLines[i], {\n        style: zrUtil.defaults({\n          stroke: lineColors[i % lineColors.length],\n          fill: null\n        }, lineStyleModel.getLineStyle()),\n        silent: true\n      }));\n    }\n  },\n  minorSplitLine: function (group, radiusAxisModel, polar, axisAngle, radiusExtent, ticksCoords, minorTicksCoords) {\n    if (!minorTicksCoords.length) {\n      return;\n    }\n\n    var minorSplitLineModel = radiusAxisModel.getModel('minorSplitLine');\n    var lineStyleModel = minorSplitLineModel.getModel('lineStyle');\n    var lines = [];\n\n    for (var i = 0; i < minorTicksCoords.length; i++) {\n      for (var k = 0; k < minorTicksCoords[i].length; k++) {\n        lines.push(new graphic.Circle({\n          shape: {\n            cx: polar.cx,\n            cy: polar.cy,\n            r: minorTicksCoords[i][k].coord\n          }\n        }));\n      }\n    }\n\n    group.add(graphic.mergePath(lines, {\n      style: zrUtil.defaults({\n        fill: null\n      }, lineStyleModel.getLineStyle()),\n      silent: true\n    }));\n  },\n  splitArea: function (group, radiusAxisModel, polar, axisAngle, radiusExtent, ticksCoords) {\n    if (!ticksCoords.length) {\n      return;\n    }\n\n    var splitAreaModel = radiusAxisModel.getModel('splitArea');\n    var areaStyleModel = splitAreaModel.getModel('areaStyle');\n    var areaColors = areaStyleModel.get('color');\n    var lineCount = 0;\n    areaColors = areaColors instanceof Array ? areaColors : [areaColors];\n    var splitAreas = [];\n    var prevRadius = ticksCoords[0].coord;\n\n    for (var i = 1; i < ticksCoords.length; i++) {\n      var colorIndex = lineCount++ % areaColors.length;\n      splitAreas[colorIndex] = splitAreas[colorIndex] || [];\n      splitAreas[colorIndex].push(new graphic.Sector({\n        shape: {\n          cx: polar.cx,\n          cy: polar.cy,\n          r0: prevRadius,\n          r: ticksCoords[i].coord,\n          startAngle: 0,\n          endAngle: Math.PI * 2\n        },\n        silent: true\n      }));\n      prevRadius = ticksCoords[i].coord;\n    } // Simple optimization\n    // Batching the lines if color are the same\n\n\n    for (var i = 0; i < splitAreas.length; i++) {\n      group.add(graphic.mergePath(splitAreas[i], {\n        style: zrUtil.defaults({\n          fill: areaColors[i % areaColors.length]\n        }, areaStyleModel.getAreaStyle()),\n        silent: true\n      }));\n    }\n  }\n};\n/**\n * @inner\n */\n\nfunction layoutAxis(polar, radiusAxisModel, axisAngle) {\n  return {\n    position: [polar.cx, polar.cy],\n    rotation: axisAngle / 180 * Math.PI,\n    labelDirection: -1,\n    tickDirection: -1,\n    nameDirection: 1,\n    labelRotate: radiusAxisModel.getModel('axisLabel').get('rotate'),\n    // Over splitLine and splitArea\n    z2: 1\n  };\n}\n\nexport default RadiusAxisView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { parsePercent } from '../util/number';\nimport { isDimensionStacked } from '../data/helper/dataStackHelper';\n\nfunction getSeriesStackId(seriesModel) {\n  return seriesModel.get('stack') || '__ec_stack_' + seriesModel.seriesIndex;\n}\n\nfunction getAxisKey(polar, axis) {\n  return axis.dim + polar.model.componentIndex;\n}\n\nfunction barLayoutPolar(seriesType, ecModel, api) {\n  var lastStackCoords = {};\n  var barWidthAndOffset = calRadialBar(zrUtil.filter(ecModel.getSeriesByType(seriesType), function (seriesModel) {\n    return !ecModel.isSeriesFiltered(seriesModel) && seriesModel.coordinateSystem && seriesModel.coordinateSystem.type === 'polar';\n  }));\n  ecModel.eachSeriesByType(seriesType, function (seriesModel) {\n    // Check series coordinate, do layout for polar only\n    if (seriesModel.coordinateSystem.type !== 'polar') {\n      return;\n    }\n\n    var data = seriesModel.getData();\n    var polar = seriesModel.coordinateSystem;\n    var baseAxis = polar.getBaseAxis();\n    var axisKey = getAxisKey(polar, baseAxis);\n    var stackId = getSeriesStackId(seriesModel);\n    var columnLayoutInfo = barWidthAndOffset[axisKey][stackId];\n    var columnOffset = columnLayoutInfo.offset;\n    var columnWidth = columnLayoutInfo.width;\n    var valueAxis = polar.getOtherAxis(baseAxis);\n    var cx = seriesModel.coordinateSystem.cx;\n    var cy = seriesModel.coordinateSystem.cy;\n    var barMinHeight = seriesModel.get('barMinHeight') || 0;\n    var barMinAngle = seriesModel.get('barMinAngle') || 0;\n    lastStackCoords[stackId] = lastStackCoords[stackId] || [];\n    var valueDim = data.mapDimension(valueAxis.dim);\n    var baseDim = data.mapDimension(baseAxis.dim);\n    var stacked = isDimensionStacked(data, valueDim\n    /*, baseDim*/\n    );\n    var clampLayout = baseAxis.dim !== 'radius' || !seriesModel.get('roundCap', true);\n    var valueAxisStart = valueAxis.dataToCoord(0);\n\n    for (var idx = 0, len = data.count(); idx < len; idx++) {\n      var value = data.get(valueDim, idx);\n      var baseValue = data.get(baseDim, idx);\n      var sign = value >= 0 ? 'p' : 'n';\n      var baseCoord = valueAxisStart; // Because of the barMinHeight, we can not use the value in\n      // stackResultDimension directly.\n      // Only ordinal axis can be stacked.\n\n      if (stacked) {\n        if (!lastStackCoords[stackId][baseValue]) {\n          lastStackCoords[stackId][baseValue] = {\n            p: valueAxisStart,\n            n: valueAxisStart // Negative stack\n\n          };\n        } // Should also consider #4243\n\n\n        baseCoord = lastStackCoords[stackId][baseValue][sign];\n      }\n\n      var r0 = void 0;\n      var r = void 0;\n      var startAngle = void 0;\n      var endAngle = void 0; // radial sector\n\n      if (valueAxis.dim === 'radius') {\n        var radiusSpan = valueAxis.dataToCoord(value) - valueAxisStart;\n        var angle = baseAxis.dataToCoord(baseValue);\n\n        if (Math.abs(radiusSpan) < barMinHeight) {\n          radiusSpan = (radiusSpan < 0 ? -1 : 1) * barMinHeight;\n        }\n\n        r0 = baseCoord;\n        r = baseCoord + radiusSpan;\n        startAngle = angle - columnOffset;\n        endAngle = startAngle - columnWidth;\n        stacked && (lastStackCoords[stackId][baseValue][sign] = r);\n      } // tangential sector\n      else {\n          var angleSpan = valueAxis.dataToCoord(value, clampLayout) - valueAxisStart;\n          var radius = baseAxis.dataToCoord(baseValue);\n\n          if (Math.abs(angleSpan) < barMinAngle) {\n            angleSpan = (angleSpan < 0 ? -1 : 1) * barMinAngle;\n          }\n\n          r0 = radius + columnOffset;\n          r = r0 + columnWidth;\n          startAngle = baseCoord;\n          endAngle = baseCoord + angleSpan; // if the previous stack is at the end of the ring,\n          // add a round to differentiate it from origin\n          // let extent = angleAxis.getExtent();\n          // let stackCoord = angle;\n          // if (stackCoord === extent[0] && value > 0) {\n          //     stackCoord = extent[1];\n          // }\n          // else if (stackCoord === extent[1] && value < 0) {\n          //     stackCoord = extent[0];\n          // }\n\n          stacked && (lastStackCoords[stackId][baseValue][sign] = endAngle);\n        }\n\n      data.setItemLayout(idx, {\n        cx: cx,\n        cy: cy,\n        r0: r0,\n        r: r,\n        // Consider that positive angle is anti-clockwise,\n        // while positive radian of sector is clockwise\n        startAngle: -startAngle * Math.PI / 180,\n        endAngle: -endAngle * Math.PI / 180\n      });\n    }\n  });\n}\n/**\n * Calculate bar width and offset for radial bar charts\n */\n\n\nfunction calRadialBar(barSeries) {\n  // Columns info on each category axis. Key is polar name\n  var columnsMap = {};\n  zrUtil.each(barSeries, function (seriesModel, idx) {\n    var data = seriesModel.getData();\n    var polar = seriesModel.coordinateSystem;\n    var baseAxis = polar.getBaseAxis();\n    var axisKey = getAxisKey(polar, baseAxis);\n    var axisExtent = baseAxis.getExtent();\n    var bandWidth = baseAxis.type === 'category' ? baseAxis.getBandWidth() : Math.abs(axisExtent[1] - axisExtent[0]) / data.count();\n    var columnsOnAxis = columnsMap[axisKey] || {\n      bandWidth: bandWidth,\n      remainedWidth: bandWidth,\n      autoWidthCount: 0,\n      categoryGap: '20%',\n      gap: '30%',\n      stacks: {}\n    };\n    var stacks = columnsOnAxis.stacks;\n    columnsMap[axisKey] = columnsOnAxis;\n    var stackId = getSeriesStackId(seriesModel);\n\n    if (!stacks[stackId]) {\n      columnsOnAxis.autoWidthCount++;\n    }\n\n    stacks[stackId] = stacks[stackId] || {\n      width: 0,\n      maxWidth: 0\n    };\n    var barWidth = parsePercent(seriesModel.get('barWidth'), bandWidth);\n    var barMaxWidth = parsePercent(seriesModel.get('barMaxWidth'), bandWidth);\n    var barGap = seriesModel.get('barGap');\n    var barCategoryGap = seriesModel.get('barCategoryGap');\n\n    if (barWidth && !stacks[stackId].width) {\n      barWidth = Math.min(columnsOnAxis.remainedWidth, barWidth);\n      stacks[stackId].width = barWidth;\n      columnsOnAxis.remainedWidth -= barWidth;\n    }\n\n    barMaxWidth && (stacks[stackId].maxWidth = barMaxWidth);\n    barGap != null && (columnsOnAxis.gap = barGap);\n    barCategoryGap != null && (columnsOnAxis.categoryGap = barCategoryGap);\n  });\n  var result = {};\n  zrUtil.each(columnsMap, function (columnsOnAxis, coordSysName) {\n    result[coordSysName] = {};\n    var stacks = columnsOnAxis.stacks;\n    var bandWidth = columnsOnAxis.bandWidth;\n    var categoryGap = parsePercent(columnsOnAxis.categoryGap, bandWidth);\n    var barGapPercent = parsePercent(columnsOnAxis.gap, 1);\n    var remainedWidth = columnsOnAxis.remainedWidth;\n    var autoWidthCount = columnsOnAxis.autoWidthCount;\n    var autoWidth = (remainedWidth - categoryGap) / (autoWidthCount + (autoWidthCount - 1) * barGapPercent);\n    autoWidth = Math.max(autoWidth, 0); // Find if any auto calculated bar exceeded maxBarWidth\n\n    zrUtil.each(stacks, function (column, stack) {\n      var maxWidth = column.maxWidth;\n\n      if (maxWidth && maxWidth < autoWidth) {\n        maxWidth = Math.min(maxWidth, remainedWidth);\n\n        if (column.width) {\n          maxWidth = Math.min(maxWidth, column.width);\n        }\n\n        remainedWidth -= maxWidth;\n        column.width = maxWidth;\n        autoWidthCount--;\n      }\n    }); // Recalculate width again\n\n    autoWidth = (remainedWidth - categoryGap) / (autoWidthCount + (autoWidthCount - 1) * barGapPercent);\n    autoWidth = Math.max(autoWidth, 0);\n    var widthSum = 0;\n    var lastColumn;\n    zrUtil.each(stacks, function (column, idx) {\n      if (!column.width) {\n        column.width = autoWidth;\n      }\n\n      lastColumn = column;\n      widthSum += column.width * (1 + barGapPercent);\n    });\n\n    if (lastColumn) {\n      widthSum -= lastColumn.width * barGapPercent;\n    }\n\n    var offset = -widthSum / 2;\n    zrUtil.each(stacks, function (column, stackId) {\n      result[coordSysName][stackId] = result[coordSysName][stackId] || {\n        offset: offset,\n        width: column.width\n      };\n      offset += column.width * (1 + barGapPercent);\n    });\n  });\n  return result;\n}\n\nexport default barLayoutPolar;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport { use } from '../../extension';\nimport AxisView from '../axis/AxisView';\nimport PolarAxisPointer from '../axisPointer/PolarAxisPointer';\nimport { install as installAxisPointer } from '../axisPointer/install';\nimport PolarModel from '../../coord/polar/PolarModel';\nimport axisModelCreator from '../../coord/axisModelCreator';\nimport { AngleAxisModel, RadiusAxisModel } from '../../coord/polar/AxisModel';\nimport polarCreator from '../../coord/polar/polarCreator';\nimport AngleAxisView from '../axis/AngleAxisView';\nimport RadiusAxisView from '../axis/RadiusAxisView';\nimport ComponentView from '../../view/Component';\nimport { curry } from 'zrender/lib/core/util';\nimport barLayoutPolar from '../../layout/barPolar';\nvar angleAxisExtraOption = {\n  startAngle: 90,\n  clockwise: true,\n  splitNumber: 12,\n  axisLabel: {\n    rotate: 0\n  }\n};\nvar radiusAxisExtraOption = {\n  splitNumber: 5\n};\n\nvar PolarView =\n/** @class */\nfunction (_super) {\n  __extends(PolarView, _super);\n\n  function PolarView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = PolarView.type;\n    return _this;\n  }\n\n  PolarView.type = 'polar';\n  return PolarView;\n}(ComponentView);\n\nexport function install(registers) {\n  use(installAxisPointer);\n  AxisView.registerAxisPointerClass('PolarAxisPointer', PolarAxisPointer);\n  registers.registerCoordinateSystem('polar', polarCreator);\n  registers.registerComponentModel(PolarModel);\n  registers.registerComponentView(PolarView); // Model and view for angleAxis and radiusAxis\n\n  axisModelCreator(registers, 'angle', AngleAxisModel, angleAxisExtraOption);\n  axisModelCreator(registers, 'radius', RadiusAxisModel, radiusAxisExtraOption);\n  registers.registerComponentView(AngleAxisView);\n  registers.registerComponentView(RadiusAxisView);\n  registers.registerLayout(curry(barLayoutPolar, 'bar'));\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nexport function layout(axisModel, opt) {\n  opt = opt || {};\n  var single = axisModel.coordinateSystem;\n  var axis = axisModel.axis;\n  var layout = {};\n  var axisPosition = axis.position;\n  var orient = axis.orient;\n  var rect = single.getRect();\n  var rectBound = [rect.x, rect.x + rect.width, rect.y, rect.y + rect.height];\n  var positionMap = {\n    horizontal: {\n      top: rectBound[2],\n      bottom: rectBound[3]\n    },\n    vertical: {\n      left: rectBound[0],\n      right: rectBound[1]\n    }\n  };\n  layout.position = [orient === 'vertical' ? positionMap.vertical[axisPosition] : rectBound[0], orient === 'horizontal' ? positionMap.horizontal[axisPosition] : rectBound[3]];\n  var r = {\n    horizontal: 0,\n    vertical: 1\n  };\n  layout.rotation = Math.PI / 2 * r[orient];\n  var directionMap = {\n    top: -1,\n    bottom: 1,\n    right: 1,\n    left: -1\n  };\n  layout.labelDirection = layout.tickDirection = layout.nameDirection = directionMap[axisPosition];\n\n  if (axisModel.get(['axisTick', 'inside'])) {\n    layout.tickDirection = -layout.tickDirection;\n  }\n\n  if (zrUtil.retrieve(opt.labelInside, axisModel.get(['axisLabel', 'inside']))) {\n    layout.labelDirection = -layout.labelDirection;\n  }\n\n  var labelRotation = opt.rotate;\n  labelRotation == null && (labelRotation = axisModel.get(['axisLabel', 'rotate']));\n  layout.labelRotation = axisPosition === 'top' ? -labelRotation : labelRotation;\n  layout.z2 = 1;\n  return layout;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport AxisBuilder from './AxisBuilder';\nimport * as graphic from '../../util/graphic';\nimport * as singleAxisHelper from '../../coord/single/singleAxisHelper';\nimport AxisView from './AxisView';\nimport { rectCoordAxisBuildSplitArea, rectCoordAxisHandleRemove } from './axisSplitHelper';\nvar axisBuilderAttrs = ['axisLine', 'axisTickLabel', 'axisName'];\nvar selfBuilderAttrs = ['splitArea', 'splitLine'];\n\nvar SingleAxisView =\n/** @class */\nfunction (_super) {\n  __extends(SingleAxisView, _super);\n\n  function SingleAxisView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SingleAxisView.type;\n    _this.axisPointerClass = 'SingleAxisPointer';\n    return _this;\n  }\n\n  SingleAxisView.prototype.render = function (axisModel, ecModel, api, payload) {\n    var group = this.group;\n    group.removeAll();\n    var oldAxisGroup = this._axisGroup;\n    this._axisGroup = new graphic.Group();\n    var layout = singleAxisHelper.layout(axisModel);\n    var axisBuilder = new AxisBuilder(axisModel, layout);\n    zrUtil.each(axisBuilderAttrs, axisBuilder.add, axisBuilder);\n    group.add(this._axisGroup);\n    group.add(axisBuilder.getGroup());\n    zrUtil.each(selfBuilderAttrs, function (name) {\n      if (axisModel.get([name, 'show'])) {\n        axisElementBuilders[name](this, this.group, this._axisGroup, axisModel);\n      }\n    }, this);\n    graphic.groupTransition(oldAxisGroup, this._axisGroup, axisModel);\n\n    _super.prototype.render.call(this, axisModel, ecModel, api, payload);\n  };\n\n  SingleAxisView.prototype.remove = function () {\n    rectCoordAxisHandleRemove(this);\n  };\n\n  SingleAxisView.type = 'singleAxis';\n  return SingleAxisView;\n}(AxisView);\n\nvar axisElementBuilders = {\n  splitLine: function (axisView, group, axisGroup, axisModel) {\n    var axis = axisModel.axis;\n\n    if (axis.scale.isBlank()) {\n      return;\n    }\n\n    var splitLineModel = axisModel.getModel('splitLine');\n    var lineStyleModel = splitLineModel.getModel('lineStyle');\n    var lineColors = lineStyleModel.get('color');\n    lineColors = lineColors instanceof Array ? lineColors : [lineColors];\n    var gridRect = axisModel.coordinateSystem.getRect();\n    var isHorizontal = axis.isHorizontal();\n    var splitLines = [];\n    var lineCount = 0;\n    var ticksCoords = axis.getTicksCoords({\n      tickModel: splitLineModel\n    });\n    var p1 = [];\n    var p2 = [];\n\n    for (var i = 0; i < ticksCoords.length; ++i) {\n      var tickCoord = axis.toGlobalCoord(ticksCoords[i].coord);\n\n      if (isHorizontal) {\n        p1[0] = tickCoord;\n        p1[1] = gridRect.y;\n        p2[0] = tickCoord;\n        p2[1] = gridRect.y + gridRect.height;\n      } else {\n        p1[0] = gridRect.x;\n        p1[1] = tickCoord;\n        p2[0] = gridRect.x + gridRect.width;\n        p2[1] = tickCoord;\n      }\n\n      var colorIndex = lineCount++ % lineColors.length;\n      splitLines[colorIndex] = splitLines[colorIndex] || [];\n      splitLines[colorIndex].push(new graphic.Line({\n        subPixelOptimize: true,\n        shape: {\n          x1: p1[0],\n          y1: p1[1],\n          x2: p2[0],\n          y2: p2[1]\n        },\n        silent: true\n      }));\n    }\n\n    var lineStyle = lineStyleModel.getLineStyle(['color']);\n\n    for (var i = 0; i < splitLines.length; ++i) {\n      group.add(graphic.mergePath(splitLines[i], {\n        style: zrUtil.defaults({\n          stroke: lineColors[i % lineColors.length]\n        }, lineStyle),\n        silent: true\n      }));\n    }\n  },\n  splitArea: function (axisView, group, axisGroup, axisModel) {\n    rectCoordAxisBuildSplitArea(axisView, axisGroup, axisModel, axisModel);\n  }\n};\nexport default SingleAxisView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport ComponentModel from '../../model/Component';\nimport { AxisModelCommonMixin } from '../axisModelCommonMixin';\nimport { mixin } from 'zrender/lib/core/util';\n\nvar SingleAxisModel =\n/** @class */\nfunction (_super) {\n  __extends(SingleAxisModel, _super);\n\n  function SingleAxisModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SingleAxisModel.type;\n    return _this;\n  }\n\n  SingleAxisModel.prototype.getCoordSysModel = function () {\n    return this;\n  };\n\n  SingleAxisModel.type = 'singleAxis';\n  SingleAxisModel.layoutMode = 'box';\n  SingleAxisModel.defaultOption = {\n    left: '5%',\n    top: '5%',\n    right: '5%',\n    bottom: '5%',\n    type: 'value',\n    position: 'bottom',\n    orient: 'horizontal',\n    axisLine: {\n      show: true,\n      lineStyle: {\n        width: 1,\n        type: 'solid'\n      }\n    },\n    // Single coordinate system and single axis is the,\n    // which is used as the parent tooltip model.\n    // same model, so we set default tooltip show as true.\n    tooltip: {\n      show: true\n    },\n    axisTick: {\n      show: true,\n      length: 6,\n      lineStyle: {\n        width: 1\n      }\n    },\n    axisLabel: {\n      show: true,\n      interval: 'auto'\n    },\n    splitLine: {\n      show: true,\n      lineStyle: {\n        type: 'dashed',\n        opacity: 0.2\n      }\n    }\n  };\n  return SingleAxisModel;\n}(ComponentModel);\n\nmixin(SingleAxisModel, AxisModelCommonMixin.prototype);\nexport default SingleAxisModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport Axis from '../Axis';\n\nvar SingleAxis =\n/** @class */\nfunction (_super) {\n  __extends(SingleAxis, _super);\n\n  function SingleAxis(dim, scale, coordExtent, axisType, position) {\n    var _this = _super.call(this, dim, scale, coordExtent) || this;\n\n    _this.type = axisType || 'value';\n    _this.position = position || 'bottom';\n    return _this;\n  }\n  /**\n   * Judge the orient of the axis.\n   */\n\n\n  SingleAxis.prototype.isHorizontal = function () {\n    var position = this.position;\n    return position === 'top' || position === 'bottom';\n  };\n\n  SingleAxis.prototype.pointToData = function (point, clamp) {\n    return this.coordinateSystem.pointToData(point)[0];\n  };\n\n  return SingleAxis;\n}(Axis);\n\nexport default SingleAxis;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Single coordinates system.\n */\nimport SingleAxis from './SingleAxis';\nimport * as axisHelper from '../axisHelper';\nimport { getLayoutRect } from '../../util/layout';\nimport { each } from 'zrender/lib/core/util';\n/**\n * Create a single coordinates system.\n */\n\nvar Single =\n/** @class */\nfunction () {\n  function Single(axisModel, ecModel, api) {\n    this.type = 'single';\n    this.dimension = 'single';\n    /**\n     * Add it just for draw tooltip.\n     */\n\n    this.dimensions = ['single'];\n    this.axisPointerEnabled = true;\n    this.model = axisModel;\n\n    this._init(axisModel, ecModel, api);\n  }\n  /**\n   * Initialize single coordinate system.\n   */\n\n\n  Single.prototype._init = function (axisModel, ecModel, api) {\n    var dim = this.dimension;\n    var axis = new SingleAxis(dim, axisHelper.createScaleByModel(axisModel), [0, 0], axisModel.get('type'), axisModel.get('position'));\n    var isCategory = axis.type === 'category';\n    axis.onBand = isCategory && axisModel.get('boundaryGap');\n    axis.inverse = axisModel.get('inverse');\n    axis.orient = axisModel.get('orient');\n    axisModel.axis = axis;\n    axis.model = axisModel;\n    axis.coordinateSystem = this;\n    this._axis = axis;\n  };\n  /**\n   * Update axis scale after data processed\n   */\n\n\n  Single.prototype.update = function (ecModel, api) {\n    ecModel.eachSeries(function (seriesModel) {\n      if (seriesModel.coordinateSystem === this) {\n        var data_1 = seriesModel.getData();\n        each(data_1.mapDimensionsAll(this.dimension), function (dim) {\n          this._axis.scale.unionExtentFromData(data_1, dim);\n        }, this);\n        axisHelper.niceScaleExtent(this._axis.scale, this._axis.model);\n      }\n    }, this);\n  };\n  /**\n   * Resize the single coordinate system.\n   */\n\n\n  Single.prototype.resize = function (axisModel, api) {\n    this._rect = getLayoutRect({\n      left: axisModel.get('left'),\n      top: axisModel.get('top'),\n      right: axisModel.get('right'),\n      bottom: axisModel.get('bottom'),\n      width: axisModel.get('width'),\n      height: axisModel.get('height')\n    }, {\n      width: api.getWidth(),\n      height: api.getHeight()\n    });\n\n    this._adjustAxis();\n  };\n\n  Single.prototype.getRect = function () {\n    return this._rect;\n  };\n\n  Single.prototype._adjustAxis = function () {\n    var rect = this._rect;\n    var axis = this._axis;\n    var isHorizontal = axis.isHorizontal();\n    var extent = isHorizontal ? [0, rect.width] : [0, rect.height];\n    var idx = axis.reverse ? 1 : 0;\n    axis.setExtent(extent[idx], extent[1 - idx]);\n\n    this._updateAxisTransform(axis, isHorizontal ? rect.x : rect.y);\n  };\n\n  Single.prototype._updateAxisTransform = function (axis, coordBase) {\n    var axisExtent = axis.getExtent();\n    var extentSum = axisExtent[0] + axisExtent[1];\n    var isHorizontal = axis.isHorizontal();\n    axis.toGlobalCoord = isHorizontal ? function (coord) {\n      return coord + coordBase;\n    } : function (coord) {\n      return extentSum - coord + coordBase;\n    };\n    axis.toLocalCoord = isHorizontal ? function (coord) {\n      return coord - coordBase;\n    } : function (coord) {\n      return extentSum - coord + coordBase;\n    };\n  };\n  /**\n   * Get axis.\n   */\n\n\n  Single.prototype.getAxis = function () {\n    return this._axis;\n  };\n  /**\n   * Get axis, add it just for draw tooltip.\n   */\n\n\n  Single.prototype.getBaseAxis = function () {\n    return this._axis;\n  };\n\n  Single.prototype.getAxes = function () {\n    return [this._axis];\n  };\n\n  Single.prototype.getTooltipAxes = function () {\n    return {\n      baseAxes: [this.getAxis()],\n      // Empty otherAxes\n      otherAxes: []\n    };\n  };\n  /**\n   * If contain point.\n   */\n\n\n  Single.prototype.containPoint = function (point) {\n    var rect = this.getRect();\n    var axis = this.getAxis();\n    var orient = axis.orient;\n\n    if (orient === 'horizontal') {\n      return axis.contain(axis.toLocalCoord(point[0])) && point[1] >= rect.y && point[1] <= rect.y + rect.height;\n    } else {\n      return axis.contain(axis.toLocalCoord(point[1])) && point[0] >= rect.y && point[0] <= rect.y + rect.height;\n    }\n  };\n\n  Single.prototype.pointToData = function (point) {\n    var axis = this.getAxis();\n    return [axis.coordToData(axis.toLocalCoord(point[axis.orient === 'horizontal' ? 0 : 1]))];\n  };\n  /**\n   * Convert the series data to concrete point.\n   * Can be [val] | val\n   */\n\n\n  Single.prototype.dataToPoint = function (val) {\n    var axis = this.getAxis();\n    var rect = this.getRect();\n    var pt = [];\n    var idx = axis.orient === 'horizontal' ? 0 : 1;\n\n    if (val instanceof Array) {\n      val = val[0];\n    }\n\n    pt[idx] = axis.toGlobalCoord(axis.dataToCoord(+val));\n    pt[1 - idx] = idx === 0 ? rect.y + rect.height / 2 : rect.x + rect.width / 2;\n    return pt;\n  };\n\n  Single.prototype.convertToPixel = function (ecModel, finder, value) {\n    var coordSys = getCoordSys(finder);\n    return coordSys === this ? this.dataToPoint(value) : null;\n  };\n\n  Single.prototype.convertFromPixel = function (ecModel, finder, pixel) {\n    var coordSys = getCoordSys(finder);\n    return coordSys === this ? this.pointToData(pixel) : null;\n  };\n\n  return Single;\n}();\n\nfunction getCoordSys(finder) {\n  var seriesModel = finder.seriesModel;\n  var singleModel = finder.singleAxisModel;\n  return singleModel && singleModel.coordinateSystem || seriesModel && seriesModel.coordinateSystem;\n}\n\nexport default Single;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Single coordinate system creator.\n */\nimport Single from './Single';\nimport { SINGLE_REFERRING } from '../../util/model';\n/**\n * Create single coordinate system and inject it into seriesModel.\n */\n\nfunction create(ecModel, api) {\n  var singles = [];\n  ecModel.eachComponent('singleAxis', function (axisModel, idx) {\n    var single = new Single(axisModel, ecModel, api);\n    single.name = 'single_' + idx;\n    single.resize(axisModel, api);\n    axisModel.coordinateSystem = single;\n    singles.push(single);\n  });\n  ecModel.eachSeries(function (seriesModel) {\n    if (seriesModel.get('coordinateSystem') === 'singleAxis') {\n      var singleAxisModel = seriesModel.getReferringComponents('singleAxis', SINGLE_REFERRING).models[0];\n      seriesModel.coordinateSystem = singleAxisModel && singleAxisModel.coordinateSystem;\n    }\n  });\n  return singles;\n}\n\nvar singleCreator = {\n  create: create,\n  dimensions: Single.prototype.dimensions\n};\nexport default singleCreator;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport BaseAxisPointer from './BaseAxisPointer';\nimport * as viewHelper from './viewHelper';\nimport * as singleAxisHelper from '../../coord/single/singleAxisHelper';\nvar XY = ['x', 'y'];\nvar WH = ['width', 'height'];\n\nvar SingleAxisPointer =\n/** @class */\nfunction (_super) {\n  __extends(SingleAxisPointer, _super);\n\n  function SingleAxisPointer() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n  /**\n   * @override\n   */\n\n\n  SingleAxisPointer.prototype.makeElOption = function (elOption, value, axisModel, axisPointerModel, api) {\n    var axis = axisModel.axis;\n    var coordSys = axis.coordinateSystem;\n    var otherExtent = getGlobalExtent(coordSys, 1 - getPointDimIndex(axis));\n    var pixelValue = coordSys.dataToPoint(value)[0];\n    var axisPointerType = axisPointerModel.get('type');\n\n    if (axisPointerType && axisPointerType !== 'none') {\n      var elStyle = viewHelper.buildElStyle(axisPointerModel);\n      var pointerOption = pointerShapeBuilder[axisPointerType](axis, pixelValue, otherExtent);\n      pointerOption.style = elStyle;\n      elOption.graphicKey = pointerOption.type;\n      elOption.pointer = pointerOption;\n    }\n\n    var layoutInfo = singleAxisHelper.layout(axisModel);\n    viewHelper.buildCartesianSingleLabelElOption( // @ts-ignore\n    value, elOption, layoutInfo, axisModel, axisPointerModel, api);\n  };\n  /**\n   * @override\n   */\n\n\n  SingleAxisPointer.prototype.getHandleTransform = function (value, axisModel, axisPointerModel) {\n    var layoutInfo = singleAxisHelper.layout(axisModel, {\n      labelInside: false\n    }); // @ts-ignore\n\n    layoutInfo.labelMargin = axisPointerModel.get(['handle', 'margin']);\n    var position = viewHelper.getTransformedPosition(axisModel.axis, value, layoutInfo);\n    return {\n      x: position[0],\n      y: position[1],\n      rotation: layoutInfo.rotation + (layoutInfo.labelDirection < 0 ? Math.PI : 0)\n    };\n  };\n  /**\n   * @override\n   */\n\n\n  SingleAxisPointer.prototype.updateHandleTransform = function (transform, delta, axisModel, axisPointerModel) {\n    var axis = axisModel.axis;\n    var coordSys = axis.coordinateSystem;\n    var dimIndex = getPointDimIndex(axis);\n    var axisExtent = getGlobalExtent(coordSys, dimIndex);\n    var currPosition = [transform.x, transform.y];\n    currPosition[dimIndex] += delta[dimIndex];\n    currPosition[dimIndex] = Math.min(axisExtent[1], currPosition[dimIndex]);\n    currPosition[dimIndex] = Math.max(axisExtent[0], currPosition[dimIndex]);\n    var otherExtent = getGlobalExtent(coordSys, 1 - dimIndex);\n    var cursorOtherValue = (otherExtent[1] + otherExtent[0]) / 2;\n    var cursorPoint = [cursorOtherValue, cursorOtherValue];\n    cursorPoint[dimIndex] = currPosition[dimIndex];\n    return {\n      x: currPosition[0],\n      y: currPosition[1],\n      rotation: transform.rotation,\n      cursorPoint: cursorPoint,\n      tooltipOption: {\n        verticalAlign: 'middle'\n      }\n    };\n  };\n\n  return SingleAxisPointer;\n}(BaseAxisPointer);\n\nvar pointerShapeBuilder = {\n  line: function (axis, pixelValue, otherExtent) {\n    var targetShape = viewHelper.makeLineShape([pixelValue, otherExtent[0]], [pixelValue, otherExtent[1]], getPointDimIndex(axis));\n    return {\n      type: 'Line',\n      subPixelOptimize: true,\n      shape: targetShape\n    };\n  },\n  shadow: function (axis, pixelValue, otherExtent) {\n    var bandWidth = axis.getBandWidth();\n    var span = otherExtent[1] - otherExtent[0];\n    return {\n      type: 'Rect',\n      shape: viewHelper.makeRectShape([pixelValue - bandWidth / 2, otherExtent[0]], [bandWidth, span], getPointDimIndex(axis))\n    };\n  }\n};\n\nfunction getPointDimIndex(axis) {\n  return axis.isHorizontal() ? 0 : 1;\n}\n\nfunction getGlobalExtent(coordSys, dimIndex) {\n  var rect = coordSys.getRect();\n  return [rect[XY[dimIndex]], rect[XY[dimIndex]] + rect[WH[dimIndex]]];\n}\n\nexport default SingleAxisPointer;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport { use } from '../../extension';\nimport ComponentView from '../../view/Component';\nimport SingleAxisView from '../axis/SingleAxisView';\nimport axisModelCreator from '../../coord/axisModelCreator';\nimport SingleAxisModel from '../../coord/single/AxisModel';\nimport singleCreator from '../../coord/single/singleCreator';\nimport { install as installAxisPointer } from '../axisPointer/install';\nimport AxisView from '../axis/AxisView';\nimport SingleAxisPointer from '../axisPointer/SingleAxisPointer';\n\nvar SingleView =\n/** @class */\nfunction (_super) {\n  __extends(SingleView, _super);\n\n  function SingleView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SingleView.type;\n    return _this;\n  }\n\n  SingleView.type = 'single';\n  return SingleView;\n}(ComponentView);\n\nexport function install(registers) {\n  use(installAxisPointer);\n  AxisView.registerAxisPointerClass('SingleAxisPointer', SingleAxisPointer);\n  registers.registerComponentView(SingleView); // Axis\n\n  registers.registerComponentView(SingleAxisView);\n  registers.registerComponentModel(SingleAxisModel);\n  axisModelCreator(registers, 'single', SingleAxisModel, SingleAxisModel.defaultOption);\n  registers.registerCoordinateSystem('single', singleCreator);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport ComponentModel from '../../model/Component';\nimport { getLayoutParams, sizeCalculable, mergeLayoutParam } from '../../util/layout';\n\nvar CalendarModel =\n/** @class */\nfunction (_super) {\n  __extends(CalendarModel, _super);\n\n  function CalendarModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = CalendarModel.type;\n    return _this;\n  }\n  /**\n   * @override\n   */\n\n\n  CalendarModel.prototype.init = function (option, parentModel, ecModel) {\n    var inputPositionParams = getLayoutParams(option);\n\n    _super.prototype.init.apply(this, arguments);\n\n    mergeAndNormalizeLayoutParams(option, inputPositionParams);\n  };\n  /**\n   * @override\n   */\n\n\n  CalendarModel.prototype.mergeOption = function (option) {\n    _super.prototype.mergeOption.apply(this, arguments);\n\n    mergeAndNormalizeLayoutParams(this.option, option);\n  };\n\n  CalendarModel.prototype.getCellSize = function () {\n    // Has been normalized\n    return this.option.cellSize;\n  };\n\n  CalendarModel.type = 'calendar';\n  CalendarModel.defaultOption = {\n    zlevel: 0,\n    z: 2,\n    left: 80,\n    top: 60,\n    cellSize: 20,\n    // horizontal vertical\n    orient: 'horizontal',\n    // month separate line style\n    splitLine: {\n      show: true,\n      lineStyle: {\n        color: '#000',\n        width: 1,\n        type: 'solid'\n      }\n    },\n    // rect style  temporarily unused emphasis\n    itemStyle: {\n      color: '#fff',\n      borderWidth: 1,\n      borderColor: '#ccc'\n    },\n    // week text style\n    dayLabel: {\n      show: true,\n      firstDay: 0,\n      // start end\n      position: 'start',\n      margin: '50%',\n      nameMap: 'en',\n      color: '#000'\n    },\n    // month text style\n    monthLabel: {\n      show: true,\n      // start end\n      position: 'start',\n      margin: 5,\n      // center or left\n      align: 'center',\n      // cn en []\n      nameMap: 'en',\n      formatter: null,\n      color: '#000'\n    },\n    // year text style\n    yearLabel: {\n      show: true,\n      // top bottom left right\n      position: null,\n      margin: 30,\n      formatter: null,\n      color: '#ccc',\n      fontFamily: 'sans-serif',\n      fontWeight: 'bolder',\n      fontSize: 20\n    }\n  };\n  return CalendarModel;\n}(ComponentModel);\n\nfunction mergeAndNormalizeLayoutParams(target, raw) {\n  // Normalize cellSize\n  var cellSize = target.cellSize;\n  var cellSizeArr;\n\n  if (!zrUtil.isArray(cellSize)) {\n    cellSizeArr = target.cellSize = [cellSize, cellSize];\n  } else {\n    cellSizeArr = cellSize;\n  }\n\n  if (cellSizeArr.length === 1) {\n    cellSizeArr[1] = cellSizeArr[0];\n  }\n\n  var ignoreSize = zrUtil.map([0, 1], function (hvIdx) {\n    // If user have set `width` or both `left` and `right`, cellSizeArr\n    // will be automatically set to 'auto', otherwise the default\n    // setting of cellSizeArr will make `width` setting not work.\n    if (sizeCalculable(raw, hvIdx)) {\n      cellSizeArr[hvIdx] = 'auto';\n    }\n\n    return cellSizeArr[hvIdx] != null && cellSizeArr[hvIdx] !== 'auto';\n  });\n  mergeLayoutParam(target, raw, {\n    type: 'box',\n    ignoreSize: ignoreSize\n  });\n}\n\nexport default CalendarModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport { createTextStyle } from '../../label/labelStyle';\nimport * as formatUtil from '../../util/format';\nimport * as numberUtil from '../../util/number';\nimport ComponentView from '../../view/Component';\nvar MONTH_TEXT = {\n  EN: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],\n  CN: ['一月', '二月', '三月', '四月', '五月', '六月', '七月', '八月', '九月', '十月', '十一月', '十二月']\n};\nvar WEEK_TEXT = {\n  EN: ['S', 'M', 'T', 'W', 'T', 'F', 'S'],\n  CN: ['日', '一', '二', '三', '四', '五', '六']\n};\n\nvar CalendarView =\n/** @class */\nfunction (_super) {\n  __extends(CalendarView, _super);\n\n  function CalendarView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = CalendarView.type;\n    return _this;\n  }\n\n  CalendarView.prototype.render = function (calendarModel, ecModel, api) {\n    var group = this.group;\n    group.removeAll();\n    var coordSys = calendarModel.coordinateSystem; // range info\n\n    var rangeData = coordSys.getRangeInfo();\n    var orient = coordSys.getOrient();\n\n    this._renderDayRect(calendarModel, rangeData, group); // _renderLines must be called prior to following function\n\n\n    this._renderLines(calendarModel, rangeData, orient, group);\n\n    this._renderYearText(calendarModel, rangeData, orient, group);\n\n    this._renderMonthText(calendarModel, orient, group);\n\n    this._renderWeekText(calendarModel, rangeData, orient, group);\n  }; // render day rect\n\n\n  CalendarView.prototype._renderDayRect = function (calendarModel, rangeData, group) {\n    var coordSys = calendarModel.coordinateSystem;\n    var itemRectStyleModel = calendarModel.getModel('itemStyle').getItemStyle();\n    var sw = coordSys.getCellWidth();\n    var sh = coordSys.getCellHeight();\n\n    for (var i = rangeData.start.time; i <= rangeData.end.time; i = coordSys.getNextNDay(i, 1).time) {\n      var point = coordSys.dataToRect([i], false).tl; // every rect\n\n      var rect = new graphic.Rect({\n        shape: {\n          x: point[0],\n          y: point[1],\n          width: sw,\n          height: sh\n        },\n        cursor: 'default',\n        style: itemRectStyleModel\n      });\n      group.add(rect);\n    }\n  }; // render separate line\n\n\n  CalendarView.prototype._renderLines = function (calendarModel, rangeData, orient, group) {\n    var self = this;\n    var coordSys = calendarModel.coordinateSystem;\n    var lineStyleModel = calendarModel.getModel(['splitLine', 'lineStyle']).getLineStyle();\n    var show = calendarModel.get(['splitLine', 'show']);\n    var lineWidth = lineStyleModel.lineWidth;\n    this._tlpoints = [];\n    this._blpoints = [];\n    this._firstDayOfMonth = [];\n    this._firstDayPoints = [];\n    var firstDay = rangeData.start;\n\n    for (var i = 0; firstDay.time <= rangeData.end.time; i++) {\n      addPoints(firstDay.formatedDate);\n\n      if (i === 0) {\n        firstDay = coordSys.getDateInfo(rangeData.start.y + '-' + rangeData.start.m);\n      }\n\n      var date = firstDay.date;\n      date.setMonth(date.getMonth() + 1);\n      firstDay = coordSys.getDateInfo(date);\n    }\n\n    addPoints(coordSys.getNextNDay(rangeData.end.time, 1).formatedDate);\n\n    function addPoints(date) {\n      self._firstDayOfMonth.push(coordSys.getDateInfo(date));\n\n      self._firstDayPoints.push(coordSys.dataToRect([date], false).tl);\n\n      var points = self._getLinePointsOfOneWeek(calendarModel, date, orient);\n\n      self._tlpoints.push(points[0]);\n\n      self._blpoints.push(points[points.length - 1]);\n\n      show && self._drawSplitline(points, lineStyleModel, group);\n    } // render top/left line\n\n\n    show && this._drawSplitline(self._getEdgesPoints(self._tlpoints, lineWidth, orient), lineStyleModel, group); // render bottom/right line\n\n    show && this._drawSplitline(self._getEdgesPoints(self._blpoints, lineWidth, orient), lineStyleModel, group);\n  }; // get points at both ends\n\n\n  CalendarView.prototype._getEdgesPoints = function (points, lineWidth, orient) {\n    var rs = [points[0].slice(), points[points.length - 1].slice()];\n    var idx = orient === 'horizontal' ? 0 : 1; // both ends of the line are extend half lineWidth\n\n    rs[0][idx] = rs[0][idx] - lineWidth / 2;\n    rs[1][idx] = rs[1][idx] + lineWidth / 2;\n    return rs;\n  }; // render split line\n\n\n  CalendarView.prototype._drawSplitline = function (points, lineStyle, group) {\n    var poyline = new graphic.Polyline({\n      z2: 20,\n      shape: {\n        points: points\n      },\n      style: lineStyle\n    });\n    group.add(poyline);\n  }; // render month line of one week points\n\n\n  CalendarView.prototype._getLinePointsOfOneWeek = function (calendarModel, date, orient) {\n    var coordSys = calendarModel.coordinateSystem;\n    var parsedDate = coordSys.getDateInfo(date);\n    var points = [];\n\n    for (var i = 0; i < 7; i++) {\n      var tmpD = coordSys.getNextNDay(parsedDate.time, i);\n      var point = coordSys.dataToRect([tmpD.time], false);\n      points[2 * tmpD.day] = point.tl;\n      points[2 * tmpD.day + 1] = point[orient === 'horizontal' ? 'bl' : 'tr'];\n    }\n\n    return points;\n  };\n\n  CalendarView.prototype._formatterLabel = function (formatter, params) {\n    if (typeof formatter === 'string' && formatter) {\n      return formatUtil.formatTplSimple(formatter, params);\n    }\n\n    if (typeof formatter === 'function') {\n      return formatter(params);\n    }\n\n    return params.nameMap;\n  };\n\n  CalendarView.prototype._yearTextPositionControl = function (textEl, point, orient, position, margin) {\n    var x = point[0];\n    var y = point[1];\n    var aligns = ['center', 'bottom'];\n\n    if (position === 'bottom') {\n      y += margin;\n      aligns = ['center', 'top'];\n    } else if (position === 'left') {\n      x -= margin;\n    } else if (position === 'right') {\n      x += margin;\n      aligns = ['center', 'top'];\n    } else {\n      // top\n      y -= margin;\n    }\n\n    var rotate = 0;\n\n    if (position === 'left' || position === 'right') {\n      rotate = Math.PI / 2;\n    }\n\n    return {\n      rotation: rotate,\n      x: x,\n      y: y,\n      style: {\n        align: aligns[0],\n        verticalAlign: aligns[1]\n      }\n    };\n  }; // render year\n\n\n  CalendarView.prototype._renderYearText = function (calendarModel, rangeData, orient, group) {\n    var yearLabel = calendarModel.getModel('yearLabel');\n\n    if (!yearLabel.get('show')) {\n      return;\n    }\n\n    var margin = yearLabel.get('margin');\n    var pos = yearLabel.get('position');\n\n    if (!pos) {\n      pos = orient !== 'horizontal' ? 'top' : 'left';\n    }\n\n    var points = [this._tlpoints[this._tlpoints.length - 1], this._blpoints[0]];\n    var xc = (points[0][0] + points[1][0]) / 2;\n    var yc = (points[0][1] + points[1][1]) / 2;\n    var idx = orient === 'horizontal' ? 0 : 1;\n    var posPoints = {\n      top: [xc, points[idx][1]],\n      bottom: [xc, points[1 - idx][1]],\n      left: [points[1 - idx][0], yc],\n      right: [points[idx][0], yc]\n    };\n    var name = rangeData.start.y;\n\n    if (+rangeData.end.y > +rangeData.start.y) {\n      name = name + '-' + rangeData.end.y;\n    }\n\n    var formatter = yearLabel.get('formatter');\n    var params = {\n      start: rangeData.start.y,\n      end: rangeData.end.y,\n      nameMap: name\n    };\n\n    var content = this._formatterLabel(formatter, params);\n\n    var yearText = new graphic.Text({\n      z2: 30,\n      style: createTextStyle(yearLabel, {\n        text: content\n      })\n    });\n    yearText.attr(this._yearTextPositionControl(yearText, posPoints[pos], orient, pos, margin));\n    group.add(yearText);\n  };\n\n  CalendarView.prototype._monthTextPositionControl = function (point, isCenter, orient, position, margin) {\n    var align = 'left';\n    var vAlign = 'top';\n    var x = point[0];\n    var y = point[1];\n\n    if (orient === 'horizontal') {\n      y = y + margin;\n\n      if (isCenter) {\n        align = 'center';\n      }\n\n      if (position === 'start') {\n        vAlign = 'bottom';\n      }\n    } else {\n      x = x + margin;\n\n      if (isCenter) {\n        vAlign = 'middle';\n      }\n\n      if (position === 'start') {\n        align = 'right';\n      }\n    }\n\n    return {\n      x: x,\n      y: y,\n      align: align,\n      verticalAlign: vAlign\n    };\n  }; // render month and year text\n\n\n  CalendarView.prototype._renderMonthText = function (calendarModel, orient, group) {\n    var monthLabel = calendarModel.getModel('monthLabel');\n\n    if (!monthLabel.get('show')) {\n      return;\n    }\n\n    var nameMap = monthLabel.get('nameMap');\n    var margin = monthLabel.get('margin');\n    var pos = monthLabel.get('position');\n    var align = monthLabel.get('align');\n    var termPoints = [this._tlpoints, this._blpoints];\n\n    if (zrUtil.isString(nameMap)) {\n      nameMap = MONTH_TEXT[nameMap.toUpperCase()] || [];\n    }\n\n    var idx = pos === 'start' ? 0 : 1;\n    var axis = orient === 'horizontal' ? 0 : 1;\n    margin = pos === 'start' ? -margin : margin;\n    var isCenter = align === 'center';\n\n    for (var i = 0; i < termPoints[idx].length - 1; i++) {\n      var tmp = termPoints[idx][i].slice();\n      var firstDay = this._firstDayOfMonth[i];\n\n      if (isCenter) {\n        var firstDayPoints = this._firstDayPoints[i];\n        tmp[axis] = (firstDayPoints[axis] + termPoints[0][i + 1][axis]) / 2;\n      }\n\n      var formatter = monthLabel.get('formatter');\n      var name_1 = nameMap[+firstDay.m - 1];\n      var params = {\n        yyyy: firstDay.y,\n        yy: (firstDay.y + '').slice(2),\n        MM: firstDay.m,\n        M: +firstDay.m,\n        nameMap: name_1\n      };\n\n      var content = this._formatterLabel(formatter, params);\n\n      var monthText = new graphic.Text({\n        z2: 30,\n        style: zrUtil.extend(createTextStyle(monthLabel, {\n          text: content\n        }), this._monthTextPositionControl(tmp, isCenter, orient, pos, margin))\n      });\n      group.add(monthText);\n    }\n  };\n\n  CalendarView.prototype._weekTextPositionControl = function (point, orient, position, margin, cellSize) {\n    var align = 'center';\n    var vAlign = 'middle';\n    var x = point[0];\n    var y = point[1];\n    var isStart = position === 'start';\n\n    if (orient === 'horizontal') {\n      x = x + margin + (isStart ? 1 : -1) * cellSize[0] / 2;\n      align = isStart ? 'right' : 'left';\n    } else {\n      y = y + margin + (isStart ? 1 : -1) * cellSize[1] / 2;\n      vAlign = isStart ? 'bottom' : 'top';\n    }\n\n    return {\n      x: x,\n      y: y,\n      align: align,\n      verticalAlign: vAlign\n    };\n  }; // render weeks\n\n\n  CalendarView.prototype._renderWeekText = function (calendarModel, rangeData, orient, group) {\n    var dayLabel = calendarModel.getModel('dayLabel');\n\n    if (!dayLabel.get('show')) {\n      return;\n    }\n\n    var coordSys = calendarModel.coordinateSystem;\n    var pos = dayLabel.get('position');\n    var nameMap = dayLabel.get('nameMap');\n    var margin = dayLabel.get('margin');\n    var firstDayOfWeek = coordSys.getFirstDayOfWeek();\n\n    if (zrUtil.isString(nameMap)) {\n      nameMap = WEEK_TEXT[nameMap.toUpperCase()] || [];\n    }\n\n    var start = coordSys.getNextNDay(rangeData.end.time, 7 - rangeData.lweek).time;\n    var cellSize = [coordSys.getCellWidth(), coordSys.getCellHeight()];\n    margin = numberUtil.parsePercent(margin, Math.min(cellSize[1], cellSize[0]));\n\n    if (pos === 'start') {\n      start = coordSys.getNextNDay(rangeData.start.time, -(7 + rangeData.fweek)).time;\n      margin = -margin;\n    }\n\n    for (var i = 0; i < 7; i++) {\n      var tmpD = coordSys.getNextNDay(start, i);\n      var point = coordSys.dataToRect([tmpD.time], false).center;\n      var day = i;\n      day = Math.abs((i + firstDayOfWeek) % 7);\n      var weekText = new graphic.Text({\n        z2: 30,\n        style: zrUtil.extend(createTextStyle(dayLabel, {\n          text: nameMap[day]\n        }), this._weekTextPositionControl(point, orient, pos, margin, cellSize))\n      });\n      group.add(weekText);\n    }\n  };\n\n  CalendarView.type = 'calendar';\n  return CalendarView;\n}(ComponentView);\n\nexport default CalendarView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as layout from '../../util/layout';\nimport * as numberUtil from '../../util/number'; // (24*60*60*1000)\n\nvar PROXIMATE_ONE_DAY = 86400000;\n\nvar Calendar =\n/** @class */\nfunction () {\n  function Calendar(calendarModel, ecModel, api) {\n    this.type = 'calendar';\n    this.dimensions = Calendar.dimensions; // Required in createListFromData\n\n    this.getDimensionsInfo = Calendar.getDimensionsInfo;\n    this._model = calendarModel;\n  }\n\n  Calendar.getDimensionsInfo = function () {\n    return [{\n      name: 'time',\n      type: 'time'\n    }, 'value'];\n  };\n\n  Calendar.prototype.getRangeInfo = function () {\n    return this._rangeInfo;\n  };\n\n  Calendar.prototype.getModel = function () {\n    return this._model;\n  };\n\n  Calendar.prototype.getRect = function () {\n    return this._rect;\n  };\n\n  Calendar.prototype.getCellWidth = function () {\n    return this._sw;\n  };\n\n  Calendar.prototype.getCellHeight = function () {\n    return this._sh;\n  };\n\n  Calendar.prototype.getOrient = function () {\n    return this._orient;\n  };\n  /**\n   * getFirstDayOfWeek\n   *\n   * @example\n   *     0 : start at Sunday\n   *     1 : start at Monday\n   *\n   * @return {number}\n   */\n\n\n  Calendar.prototype.getFirstDayOfWeek = function () {\n    return this._firstDayOfWeek;\n  };\n  /**\n   * get date info\n   * }\n   */\n\n\n  Calendar.prototype.getDateInfo = function (date) {\n    date = numberUtil.parseDate(date);\n    var y = date.getFullYear();\n    var m = date.getMonth() + 1;\n    var mStr = m < 10 ? '0' + m : '' + m;\n    var d = date.getDate();\n    var dStr = d < 10 ? '0' + d : '' + d;\n    var day = date.getDay();\n    day = Math.abs((day + 7 - this.getFirstDayOfWeek()) % 7);\n    return {\n      y: y + '',\n      m: mStr,\n      d: dStr,\n      day: day,\n      time: date.getTime(),\n      formatedDate: y + '-' + mStr + '-' + dStr,\n      date: date\n    };\n  };\n\n  Calendar.prototype.getNextNDay = function (date, n) {\n    n = n || 0;\n\n    if (n === 0) {\n      return this.getDateInfo(date);\n    }\n\n    date = new Date(this.getDateInfo(date).time);\n    date.setDate(date.getDate() + n);\n    return this.getDateInfo(date);\n  };\n\n  Calendar.prototype.update = function (ecModel, api) {\n    this._firstDayOfWeek = +this._model.getModel('dayLabel').get('firstDay');\n    this._orient = this._model.get('orient');\n    this._lineWidth = this._model.getModel('itemStyle').getItemStyle().lineWidth || 0;\n    this._rangeInfo = this._getRangeInfo(this._initRangeOption());\n    var weeks = this._rangeInfo.weeks || 1;\n    var whNames = ['width', 'height'];\n\n    var cellSize = this._model.getCellSize().slice();\n\n    var layoutParams = this._model.getBoxLayoutParams();\n\n    var cellNumbers = this._orient === 'horizontal' ? [weeks, 7] : [7, weeks];\n    zrUtil.each([0, 1], function (idx) {\n      if (cellSizeSpecified(cellSize, idx)) {\n        layoutParams[whNames[idx]] = cellSize[idx] * cellNumbers[idx];\n      }\n    });\n    var whGlobal = {\n      width: api.getWidth(),\n      height: api.getHeight()\n    };\n    var calendarRect = this._rect = layout.getLayoutRect(layoutParams, whGlobal);\n    zrUtil.each([0, 1], function (idx) {\n      if (!cellSizeSpecified(cellSize, idx)) {\n        cellSize[idx] = calendarRect[whNames[idx]] / cellNumbers[idx];\n      }\n    });\n\n    function cellSizeSpecified(cellSize, idx) {\n      return cellSize[idx] != null && cellSize[idx] !== 'auto';\n    } // Has been calculated out number.\n\n\n    this._sw = cellSize[0];\n    this._sh = cellSize[1];\n  };\n  /**\n   * Convert a time data(time, value) item to (x, y) point.\n   */\n  // TODO Clamp of calendar is not same with cartesian coordinate systems.\n  // It will return NaN if data exceeds.\n\n\n  Calendar.prototype.dataToPoint = function (data, clamp) {\n    zrUtil.isArray(data) && (data = data[0]);\n    clamp == null && (clamp = true);\n    var dayInfo = this.getDateInfo(data);\n    var range = this._rangeInfo;\n    var date = dayInfo.formatedDate; // if not in range return [NaN, NaN]\n\n    if (clamp && !(dayInfo.time >= range.start.time && dayInfo.time < range.end.time + PROXIMATE_ONE_DAY)) {\n      return [NaN, NaN];\n    }\n\n    var week = dayInfo.day;\n\n    var nthWeek = this._getRangeInfo([range.start.time, date]).nthWeek;\n\n    if (this._orient === 'vertical') {\n      return [this._rect.x + week * this._sw + this._sw / 2, this._rect.y + nthWeek * this._sh + this._sh / 2];\n    }\n\n    return [this._rect.x + nthWeek * this._sw + this._sw / 2, this._rect.y + week * this._sh + this._sh / 2];\n  };\n  /**\n   * Convert a (x, y) point to time data\n   */\n\n\n  Calendar.prototype.pointToData = function (point) {\n    var date = this.pointToDate(point);\n    return date && date.time;\n  };\n  /**\n   * Convert a time date item to (x, y) four point.\n   */\n\n\n  Calendar.prototype.dataToRect = function (data, clamp) {\n    var point = this.dataToPoint(data, clamp);\n    return {\n      contentShape: {\n        x: point[0] - (this._sw - this._lineWidth) / 2,\n        y: point[1] - (this._sh - this._lineWidth) / 2,\n        width: this._sw - this._lineWidth,\n        height: this._sh - this._lineWidth\n      },\n      center: point,\n      tl: [point[0] - this._sw / 2, point[1] - this._sh / 2],\n      tr: [point[0] + this._sw / 2, point[1] - this._sh / 2],\n      br: [point[0] + this._sw / 2, point[1] + this._sh / 2],\n      bl: [point[0] - this._sw / 2, point[1] + this._sh / 2]\n    };\n  };\n  /**\n   * Convert a (x, y) point to time date\n   *\n   * @param  {Array} point point\n   * @return {Object}       date\n   */\n\n\n  Calendar.prototype.pointToDate = function (point) {\n    var nthX = Math.floor((point[0] - this._rect.x) / this._sw) + 1;\n    var nthY = Math.floor((point[1] - this._rect.y) / this._sh) + 1;\n    var range = this._rangeInfo.range;\n\n    if (this._orient === 'vertical') {\n      return this._getDateByWeeksAndDay(nthY, nthX - 1, range);\n    }\n\n    return this._getDateByWeeksAndDay(nthX, nthY - 1, range);\n  };\n\n  Calendar.prototype.convertToPixel = function (ecModel, finder, value) {\n    var coordSys = getCoordSys(finder);\n    return coordSys === this ? coordSys.dataToPoint(value) : null;\n  };\n\n  Calendar.prototype.convertFromPixel = function (ecModel, finder, pixel) {\n    var coordSys = getCoordSys(finder);\n    return coordSys === this ? coordSys.pointToData(pixel) : null;\n  };\n\n  Calendar.prototype.containPoint = function (point) {\n    console.warn('Not implemented.');\n    return false;\n  };\n  /**\n   * initRange\n   * Normalize to an [start, end] array\n   */\n\n\n  Calendar.prototype._initRangeOption = function () {\n    var range = this._model.get('range');\n\n    var normalizedRange; // Convert [1990] to 1990\n\n    if (zrUtil.isArray(range) && range.length === 1) {\n      range = range[0];\n    }\n\n    if (!zrUtil.isArray(range)) {\n      var rangeStr = range.toString(); // One year.\n\n      if (/^\\d{4}$/.test(rangeStr)) {\n        normalizedRange = [rangeStr + '-01-01', rangeStr + '-12-31'];\n      } // One month\n\n\n      if (/^\\d{4}[\\/|-]\\d{1,2}$/.test(rangeStr)) {\n        var start = this.getDateInfo(rangeStr);\n        var firstDay = start.date;\n        firstDay.setMonth(firstDay.getMonth() + 1);\n        var end = this.getNextNDay(firstDay, -1);\n        normalizedRange = [start.formatedDate, end.formatedDate];\n      } // One day\n\n\n      if (/^\\d{4}[\\/|-]\\d{1,2}[\\/|-]\\d{1,2}$/.test(rangeStr)) {\n        normalizedRange = [rangeStr, rangeStr];\n      }\n    } else {\n      normalizedRange = range;\n    }\n\n    if (!normalizedRange) {\n      if (process.env.NODE_ENV !== 'production') {\n        zrUtil.logError('Invalid date range.');\n      } // Not handling it.\n\n\n      return range;\n    }\n\n    var tmp = this._getRangeInfo(normalizedRange);\n\n    if (tmp.start.time > tmp.end.time) {\n      normalizedRange.reverse();\n    }\n\n    return normalizedRange;\n  };\n  /**\n   * range info\n   *\n   * @private\n   * @param  {Array} range range ['2017-01-01', '2017-07-08']\n   *  If range[0] > range[1], they will not be reversed.\n   * @return {Object}       obj\n   */\n\n\n  Calendar.prototype._getRangeInfo = function (range) {\n    var parsedRange = [this.getDateInfo(range[0]), this.getDateInfo(range[1])];\n    var reversed;\n\n    if (parsedRange[0].time > parsedRange[1].time) {\n      reversed = true;\n      parsedRange.reverse();\n    }\n\n    var allDay = Math.floor(parsedRange[1].time / PROXIMATE_ONE_DAY) - Math.floor(parsedRange[0].time / PROXIMATE_ONE_DAY) + 1; // Consider case1 (#11677 #10430):\n    // Set the system timezone as \"UK\", set the range to `['2016-07-01', '2016-12-31']`\n    // Consider case2:\n    // Firstly set system timezone as \"Time Zone: America/Toronto\",\n    // ```\n    // let first = new Date(1478412000000 - 3600 * 1000 * 2.5);\n    // let second = new Date(1478412000000);\n    // let allDays = Math.floor(second / ONE_DAY) - Math.floor(first / ONE_DAY) + 1;\n    // ```\n    // will get wrong result because of DST. So we should fix it.\n\n    var date = new Date(parsedRange[0].time);\n    var startDateNum = date.getDate();\n    var endDateNum = parsedRange[1].date.getDate();\n    date.setDate(startDateNum + allDay - 1); // The bias can not over a month, so just compare date.\n\n    var dateNum = date.getDate();\n\n    if (dateNum !== endDateNum) {\n      var sign = date.getTime() - parsedRange[1].time > 0 ? 1 : -1;\n\n      while ((dateNum = date.getDate()) !== endDateNum && (date.getTime() - parsedRange[1].time) * sign > 0) {\n        allDay -= sign;\n        date.setDate(dateNum - sign);\n      }\n    }\n\n    var weeks = Math.floor((allDay + parsedRange[0].day + 6) / 7);\n    var nthWeek = reversed ? -weeks + 1 : weeks - 1;\n    reversed && parsedRange.reverse();\n    return {\n      range: [parsedRange[0].formatedDate, parsedRange[1].formatedDate],\n      start: parsedRange[0],\n      end: parsedRange[1],\n      allDay: allDay,\n      weeks: weeks,\n      // From 0.\n      nthWeek: nthWeek,\n      fweek: parsedRange[0].day,\n      lweek: parsedRange[1].day\n    };\n  };\n  /**\n   * get date by nthWeeks and week day in range\n   *\n   * @private\n   * @param  {number} nthWeek the week\n   * @param  {number} day   the week day\n   * @param  {Array} range [d1, d2]\n   * @return {Object}\n   */\n\n\n  Calendar.prototype._getDateByWeeksAndDay = function (nthWeek, day, range) {\n    var rangeInfo = this._getRangeInfo(range);\n\n    if (nthWeek > rangeInfo.weeks || nthWeek === 0 && day < rangeInfo.fweek || nthWeek === rangeInfo.weeks && day > rangeInfo.lweek) {\n      return null;\n    }\n\n    var nthDay = (nthWeek - 1) * 7 - rangeInfo.fweek + day;\n    var date = new Date(rangeInfo.start.time);\n    date.setDate(+rangeInfo.start.d + nthDay);\n    return this.getDateInfo(date);\n  };\n\n  Calendar.create = function (ecModel, api) {\n    var calendarList = [];\n    ecModel.eachComponent('calendar', function (calendarModel) {\n      var calendar = new Calendar(calendarModel, ecModel, api);\n      calendarList.push(calendar);\n      calendarModel.coordinateSystem = calendar;\n    });\n    ecModel.eachSeries(function (calendarSeries) {\n      if (calendarSeries.get('coordinateSystem') === 'calendar') {\n        // Inject coordinate system\n        calendarSeries.coordinateSystem = calendarList[calendarSeries.get('calendarIndex') || 0];\n      }\n    });\n    return calendarList;\n  };\n\n  Calendar.dimensions = ['time', 'value'];\n  return Calendar;\n}();\n\nfunction getCoordSys(finder) {\n  var calendarModel = finder.calendarModel;\n  var seriesModel = finder.seriesModel;\n  var coordSys = calendarModel ? calendarModel.coordinateSystem : seriesModel ? seriesModel.coordinateSystem : null;\n  return coordSys;\n}\n\nexport default Calendar;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as modelUtil from '../../util/model';\nimport * as graphicUtil from '../../util/graphic';\nimport * as layoutUtil from '../../util/layout';\nimport { parsePercent } from '../../util/number';\nimport ComponentModel from '../../model/Component';\nimport ComponentView from '../../view/Component';\nimport { getECData } from '../../util/innerStore';\nimport { isEC4CompatibleStyle, convertFromEC4CompatibleStyle } from '../../util/styleCompat';\nvar TRANSFORM_PROPS = {\n  x: 1,\n  y: 1,\n  scaleX: 1,\n  scaleY: 1,\n  originX: 1,\n  originY: 1,\n  rotation: 1\n};\n;\nvar inner = modelUtil.makeInner();\nvar _nonShapeGraphicElements = {\n  // Reserved but not supported in graphic component.\n  path: null,\n  compoundPath: null,\n  // Supported in graphic component.\n  group: graphicUtil.Group,\n  image: graphicUtil.Image,\n  text: graphicUtil.Text\n}; // ------------------------\n// Preprocessor\n// ------------------------\n\nvar preprocessor = function (option) {\n  var graphicOption = option.graphic; // Convert\n  // {graphic: [{left: 10, type: 'circle'}, ...]}\n  // or\n  // {graphic: {left: 10, type: 'circle'}}\n  // to\n  // {graphic: [{elements: [{left: 10, type: 'circle'}, ...]}]}\n\n  if (zrUtil.isArray(graphicOption)) {\n    if (!graphicOption[0] || !graphicOption[0].elements) {\n      option.graphic = [{\n        elements: graphicOption\n      }];\n    } else {\n      // Only one graphic instance can be instantiated. (We dont\n      // want that too many views are created in echarts._viewMap)\n      option.graphic = [option.graphic[0]];\n    }\n  } else if (graphicOption && !graphicOption.elements) {\n    option.graphic = [{\n      elements: [graphicOption]\n    }];\n  }\n};\n\n;\n\nvar GraphicComponentModel =\n/** @class */\nfunction (_super) {\n  __extends(GraphicComponentModel, _super);\n\n  function GraphicComponentModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = GraphicComponentModel.type;\n    _this.preventAutoZ = true;\n    return _this;\n  }\n\n  GraphicComponentModel.prototype.mergeOption = function (option, ecModel) {\n    // Prevent default merge to elements\n    var elements = this.option.elements;\n    this.option.elements = null;\n\n    _super.prototype.mergeOption.call(this, option, ecModel);\n\n    this.option.elements = elements;\n  };\n\n  GraphicComponentModel.prototype.optionUpdated = function (newOption, isInit) {\n    var thisOption = this.option;\n    var newList = (isInit ? thisOption : newOption).elements;\n    var existList = thisOption.elements = isInit ? [] : thisOption.elements;\n    var flattenedList = [];\n\n    this._flatten(newList, flattenedList, null);\n\n    var mappingResult = modelUtil.mappingToExists(existList, flattenedList, 'normalMerge'); // Clear elOptionsToUpdate\n\n    var elOptionsToUpdate = this._elOptionsToUpdate = [];\n    zrUtil.each(mappingResult, function (resultItem, index) {\n      var newElOption = resultItem.newOption;\n\n      if (process.env.NODE_ENV !== 'production') {\n        zrUtil.assert(zrUtil.isObject(newElOption) || resultItem.existing, 'Empty graphic option definition');\n      }\n\n      if (!newElOption) {\n        return;\n      }\n\n      elOptionsToUpdate.push(newElOption);\n      setKeyInfoToNewElOption(resultItem, newElOption);\n      mergeNewElOptionToExist(existList, index, newElOption);\n      setLayoutInfoToExist(existList[index], newElOption);\n    }, this); // Clean\n\n    for (var i = existList.length - 1; i >= 0; i--) {\n      if (existList[i] == null) {\n        existList.splice(i, 1);\n      } else {\n        // $action should be volatile, otherwise option gotten from\n        // `getOption` will contain unexpected $action.\n        delete existList[i].$action;\n      }\n    }\n  };\n  /**\n   * Convert\n   * [{\n   *  type: 'group',\n   *  id: 'xx',\n   *  children: [{type: 'circle'}, {type: 'polygon'}]\n   * }]\n   * to\n   * [\n   *  {type: 'group', id: 'xx'},\n   *  {type: 'circle', parentId: 'xx'},\n   *  {type: 'polygon', parentId: 'xx'}\n   * ]\n   */\n\n\n  GraphicComponentModel.prototype._flatten = function (optionList, result, parentOption) {\n    zrUtil.each(optionList, function (option) {\n      if (!option) {\n        return;\n      }\n\n      if (parentOption) {\n        option.parentOption = parentOption;\n      }\n\n      result.push(option);\n      var children = option.children;\n\n      if (option.type === 'group' && children) {\n        this._flatten(children, result, option);\n      } // Deleting for JSON output, and for not affecting group creation.\n\n\n      delete option.children;\n    }, this);\n  }; // FIXME\n  // Pass to view using payload? setOption has a payload?\n\n\n  GraphicComponentModel.prototype.useElOptionsToUpdate = function () {\n    var els = this._elOptionsToUpdate; // Clear to avoid render duplicately when zooming.\n\n    this._elOptionsToUpdate = null;\n    return els;\n  };\n\n  GraphicComponentModel.type = 'graphic';\n  GraphicComponentModel.defaultOption = {\n    elements: [] // parentId: null\n\n  };\n  return GraphicComponentModel;\n}(ComponentModel); // ------------------------\n// View\n// ------------------------\n\n\nvar GraphicComponentView =\n/** @class */\nfunction (_super) {\n  __extends(GraphicComponentView, _super);\n\n  function GraphicComponentView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = GraphicComponentView.type;\n    return _this;\n  }\n\n  GraphicComponentView.prototype.init = function () {\n    this._elMap = zrUtil.createHashMap();\n  };\n\n  GraphicComponentView.prototype.render = function (graphicModel, ecModel, api) {\n    // Having leveraged between use cases and algorithm complexity, a very\n    // simple layout mechanism is used:\n    // The size(width/height) can be determined by itself or its parent (not\n    // implemented yet), but can not by its children. (Top-down travel)\n    // The location(x/y) can be determined by the bounding rect of itself\n    // (can including its descendants or not) and the size of its parent.\n    // (Bottom-up travel)\n    // When `chart.clear()` or `chart.setOption({...}, true)` with the same id,\n    // view will be reused.\n    if (graphicModel !== this._lastGraphicModel) {\n      this._clear();\n    }\n\n    this._lastGraphicModel = graphicModel;\n\n    this._updateElements(graphicModel);\n\n    this._relocate(graphicModel, api);\n  };\n  /**\n   * Update graphic elements.\n   */\n\n\n  GraphicComponentView.prototype._updateElements = function (graphicModel) {\n    var elOptionsToUpdate = graphicModel.useElOptionsToUpdate();\n\n    if (!elOptionsToUpdate) {\n      return;\n    }\n\n    var elMap = this._elMap;\n    var rootGroup = this.group; // Top-down tranverse to assign graphic settings to each elements.\n\n    zrUtil.each(elOptionsToUpdate, function (elOption) {\n      var id = modelUtil.convertOptionIdName(elOption.id, null);\n      var elExisting = id != null ? elMap.get(id) : null;\n      var parentId = modelUtil.convertOptionIdName(elOption.parentId, null);\n      var targetElParent = parentId != null ? elMap.get(parentId) : rootGroup;\n      var elType = elOption.type;\n      var elOptionStyle = elOption.style;\n\n      if (elType === 'text' && elOptionStyle) {\n        // In top/bottom mode, textVerticalAlign should not be used, which cause\n        // inaccurately locating.\n        if (elOption.hv && elOption.hv[1]) {\n          elOptionStyle.textVerticalAlign = elOptionStyle.textBaseline = elOptionStyle.verticalAlign = elOptionStyle.align = null;\n        }\n      }\n\n      var textContentOption = elOption.textContent;\n      var textConfig = elOption.textConfig;\n\n      if (elOptionStyle && isEC4CompatibleStyle(elOptionStyle, elType, !!textConfig, !!textContentOption)) {\n        var convertResult = convertFromEC4CompatibleStyle(elOptionStyle, elType, true);\n\n        if (!textConfig && convertResult.textConfig) {\n          textConfig = elOption.textConfig = convertResult.textConfig;\n        }\n\n        if (!textContentOption && convertResult.textContent) {\n          textContentOption = convertResult.textContent;\n        }\n      } // Remove unnecessary props to avoid potential problems.\n\n\n      var elOptionCleaned = getCleanedElOption(elOption); // For simple, do not support parent change, otherwise reorder is needed.\n\n      if (process.env.NODE_ENV !== 'production') {\n        elExisting && zrUtil.assert(targetElParent === elExisting.parent, 'Changing parent is not supported.');\n      }\n\n      var $action = elOption.$action || 'merge';\n\n      if ($action === 'merge') {\n        elExisting ? elExisting.attr(elOptionCleaned) : createEl(id, targetElParent, elOptionCleaned, elMap);\n      } else if ($action === 'replace') {\n        removeEl(elExisting, elMap);\n        createEl(id, targetElParent, elOptionCleaned, elMap);\n      } else if ($action === 'remove') {\n        removeEl(elExisting, elMap);\n      }\n\n      var el = elMap.get(id);\n\n      if (el && textContentOption) {\n        if ($action === 'merge') {\n          var textContentExisting = el.getTextContent();\n          textContentExisting ? textContentExisting.attr(textContentOption) : el.setTextContent(new graphicUtil.Text(textContentOption));\n        } else if ($action === 'replace') {\n          el.setTextContent(new graphicUtil.Text(textContentOption));\n        }\n      }\n\n      if (el) {\n        var elInner = inner(el);\n        elInner.__ecGraphicWidthOption = elOption.width;\n        elInner.__ecGraphicHeightOption = elOption.height;\n        setEventData(el, graphicModel, elOption);\n        graphicUtil.setTooltipConfig({\n          el: el,\n          componentModel: graphicModel,\n          itemName: el.name,\n          itemTooltipOption: elOption.tooltip\n        });\n      }\n    });\n  };\n  /**\n   * Locate graphic elements.\n   */\n\n\n  GraphicComponentView.prototype._relocate = function (graphicModel, api) {\n    var elOptions = graphicModel.option.elements;\n    var rootGroup = this.group;\n    var elMap = this._elMap;\n    var apiWidth = api.getWidth();\n    var apiHeight = api.getHeight(); // Top-down to calculate percentage width/height of group\n\n    for (var i = 0; i < elOptions.length; i++) {\n      var elOption = elOptions[i];\n      var id = modelUtil.convertOptionIdName(elOption.id, null);\n      var el = id != null ? elMap.get(id) : null;\n\n      if (!el || !el.isGroup) {\n        continue;\n      }\n\n      var parentEl = el.parent;\n      var isParentRoot = parentEl === rootGroup; // Like 'position:absolut' in css, default 0.\n\n      var elInner = inner(el);\n      var parentElInner = inner(parentEl);\n      elInner.__ecGraphicWidth = parsePercent(elInner.__ecGraphicWidthOption, isParentRoot ? apiWidth : parentElInner.__ecGraphicWidth) || 0;\n      elInner.__ecGraphicHeight = parsePercent(elInner.__ecGraphicHeightOption, isParentRoot ? apiHeight : parentElInner.__ecGraphicHeight) || 0;\n    } // Bottom-up tranvese all elements (consider ec resize) to locate elements.\n\n\n    for (var i = elOptions.length - 1; i >= 0; i--) {\n      var elOption = elOptions[i];\n      var id = modelUtil.convertOptionIdName(elOption.id, null);\n      var el = id != null ? elMap.get(id) : null;\n\n      if (!el) {\n        continue;\n      }\n\n      var parentEl = el.parent;\n      var parentElInner = inner(parentEl);\n      var containerInfo = parentEl === rootGroup ? {\n        width: apiWidth,\n        height: apiHeight\n      } : {\n        width: parentElInner.__ecGraphicWidth,\n        height: parentElInner.__ecGraphicHeight\n      }; // PENDING\n      // Currently, when `bounding: 'all'`, the union bounding rect of the group\n      // does not include the rect of [0, 0, group.width, group.height], which\n      // is probably weird for users. Should we make a break change for it?\n\n      layoutUtil.positionElement(el, elOption, containerInfo, null, {\n        hv: elOption.hv,\n        boundingMode: elOption.bounding\n      });\n    }\n  };\n  /**\n   * Clear all elements.\n   */\n\n\n  GraphicComponentView.prototype._clear = function () {\n    var elMap = this._elMap;\n    elMap.each(function (el) {\n      removeEl(el, elMap);\n    });\n    this._elMap = zrUtil.createHashMap();\n  };\n\n  GraphicComponentView.prototype.dispose = function () {\n    this._clear();\n  };\n\n  GraphicComponentView.type = 'graphic';\n  return GraphicComponentView;\n}(ComponentView);\n\nfunction createEl(id, targetElParent, elOption, elMap) {\n  var graphicType = elOption.type;\n\n  if (process.env.NODE_ENV !== 'production') {\n    zrUtil.assert(graphicType, 'graphic type MUST be set');\n  }\n\n  var Clz = zrUtil.hasOwn(_nonShapeGraphicElements, graphicType) // Those graphic elements are not shapes. They should not be\n  // overwritten by users, so do them first.\n  ? _nonShapeGraphicElements[graphicType] : graphicUtil.getShapeClass(graphicType);\n\n  if (process.env.NODE_ENV !== 'production') {\n    zrUtil.assert(Clz, 'graphic type can not be found');\n  }\n\n  var el = new Clz(elOption);\n  targetElParent.add(el);\n  elMap.set(id, el);\n  inner(el).__ecGraphicId = id;\n}\n\nfunction removeEl(elExisting, elMap) {\n  var existElParent = elExisting && elExisting.parent;\n\n  if (existElParent) {\n    elExisting.type === 'group' && elExisting.traverse(function (el) {\n      removeEl(el, elMap);\n    });\n    elMap.removeKey(inner(elExisting).__ecGraphicId);\n    existElParent.remove(elExisting);\n  }\n} // Remove unnecessary props to avoid potential problems.\n\n\nfunction getCleanedElOption(elOption) {\n  elOption = zrUtil.extend({}, elOption);\n  zrUtil.each(['id', 'parentId', '$action', 'hv', 'bounding', 'textContent'].concat(layoutUtil.LOCATION_PARAMS), function (name) {\n    delete elOption[name];\n  });\n  return elOption;\n}\n\nfunction isSetLoc(obj, props) {\n  var isSet;\n  zrUtil.each(props, function (prop) {\n    obj[prop] != null && obj[prop] !== 'auto' && (isSet = true);\n  });\n  return isSet;\n}\n\nfunction setKeyInfoToNewElOption(resultItem, newElOption) {\n  var existElOption = resultItem.existing; // Set id and type after id assigned.\n\n  newElOption.id = resultItem.keyInfo.id;\n  !newElOption.type && existElOption && (newElOption.type = existElOption.type); // Set parent id if not specified\n\n  if (newElOption.parentId == null) {\n    var newElParentOption = newElOption.parentOption;\n\n    if (newElParentOption) {\n      newElOption.parentId = newElParentOption.id;\n    } else if (existElOption) {\n      newElOption.parentId = existElOption.parentId;\n    }\n  } // Clear\n\n\n  newElOption.parentOption = null;\n}\n\nfunction mergeNewElOptionToExist(existList, index, newElOption) {\n  // Update existing options, for `getOption` feature.\n  var newElOptCopy = zrUtil.extend({}, newElOption);\n  var existElOption = existList[index];\n  var $action = newElOption.$action || 'merge';\n\n  if ($action === 'merge') {\n    if (existElOption) {\n      if (process.env.NODE_ENV !== 'production') {\n        var newType = newElOption.type;\n        zrUtil.assert(!newType || existElOption.type === newType, 'Please set $action: \"replace\" to change `type`');\n      } // We can ensure that newElOptCopy and existElOption are not\n      // the same object, so `merge` will not change newElOptCopy.\n\n\n      zrUtil.merge(existElOption, newElOptCopy, true); // Rigid body, use ignoreSize.\n\n      layoutUtil.mergeLayoutParam(existElOption, newElOptCopy, {\n        ignoreSize: true\n      }); // Will be used in render.\n\n      layoutUtil.copyLayoutParams(newElOption, existElOption);\n    } else {\n      existList[index] = newElOptCopy;\n    }\n  } else if ($action === 'replace') {\n    existList[index] = newElOptCopy;\n  } else if ($action === 'remove') {\n    // null will be cleaned later.\n    existElOption && (existList[index] = null);\n  }\n}\n\nfunction setLayoutInfoToExist(existItem, newElOption) {\n  if (!existItem) {\n    return;\n  }\n\n  existItem.hv = newElOption.hv = [// Rigid body, dont care `width`.\n  isSetLoc(newElOption, ['left', 'right']), // Rigid body, dont care `height`.\n  isSetLoc(newElOption, ['top', 'bottom'])]; // Give default group size. Otherwise layout error may occur.\n\n  if (existItem.type === 'group') {\n    var existingGroupOpt = existItem;\n    var newGroupOpt = newElOption;\n    existingGroupOpt.width == null && (existingGroupOpt.width = newGroupOpt.width = 0);\n    existingGroupOpt.height == null && (existingGroupOpt.height = newGroupOpt.height = 0);\n  }\n}\n\nfunction setEventData(el, graphicModel, elOption) {\n  var eventData = getECData(el).eventData; // Simple optimize for large amount of elements that no need event.\n\n  if (!el.silent && !el.ignore && !eventData) {\n    eventData = getECData(el).eventData = {\n      componentType: 'graphic',\n      componentIndex: graphicModel.componentIndex,\n      name: el.name\n    };\n  } // `elOption.info` enables user to mount some info on\n  // elements and use them in event handlers.\n\n\n  if (eventData) {\n    eventData.info = elOption.info;\n  }\n}\n\nexport function install(registers) {\n  registers.registerComponentModel(GraphicComponentModel);\n  registers.registerComponentView(GraphicComponentView);\n  registers.registerPreprocessor(preprocessor);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { indexOf, createHashMap, assert } from 'zrender/lib/core/util';\nexport var DATA_ZOOM_AXIS_DIMENSIONS = ['x', 'y', 'radius', 'angle', 'single']; // Supported coords.\n// FIXME: polar has been broken (but rarely used).\n\nvar SERIES_COORDS = ['cartesian2d', 'polar', 'singleAxis'];\nexport function isCoordSupported(seriesModel) {\n  var coordType = seriesModel.get('coordinateSystem');\n  return indexOf(SERIES_COORDS, coordType) >= 0;\n}\nexport function getAxisMainType(axisDim) {\n  if (process.env.NODE_ENV !== 'production') {\n    assert(axisDim);\n  }\n\n  return axisDim + 'Axis';\n}\nexport function getAxisIndexPropName(axisDim) {\n  if (process.env.NODE_ENV !== 'production') {\n    assert(axisDim);\n  }\n\n  return axisDim + 'AxisIndex';\n}\nexport function getAxisIdPropName(axisDim) {\n  if (process.env.NODE_ENV !== 'production') {\n    assert(axisDim);\n  }\n\n  return axisDim + 'AxisId';\n}\n/**\n * If two dataZoomModels has the same axis controlled, we say that they are 'linked'.\n * This function finds all linked dataZoomModels start from the given payload.\n */\n\nexport function findEffectedDataZooms(ecModel, payload) {\n  // Key: `DataZoomAxisDimension`\n  var axisRecords = createHashMap();\n  var effectedModels = []; // Key: uid of dataZoomModel\n\n  var effectedModelMap = createHashMap(); // Find the dataZooms specified by payload.\n\n  ecModel.eachComponent({\n    mainType: 'dataZoom',\n    query: payload\n  }, function (dataZoomModel) {\n    if (!effectedModelMap.get(dataZoomModel.uid)) {\n      addToEffected(dataZoomModel);\n    }\n  }); // Start from the given dataZoomModels, travel the graph to find\n  // all of the linked dataZoom models.\n\n  var foundNewLink;\n\n  do {\n    foundNewLink = false;\n    ecModel.eachComponent('dataZoom', processSingle);\n  } while (foundNewLink);\n\n  function processSingle(dataZoomModel) {\n    if (!effectedModelMap.get(dataZoomModel.uid) && isLinked(dataZoomModel)) {\n      addToEffected(dataZoomModel);\n      foundNewLink = true;\n    }\n  }\n\n  function addToEffected(dataZoom) {\n    effectedModelMap.set(dataZoom.uid, true);\n    effectedModels.push(dataZoom);\n    markAxisControlled(dataZoom);\n  }\n\n  function isLinked(dataZoomModel) {\n    var isLink = false;\n    dataZoomModel.eachTargetAxis(function (axisDim, axisIndex) {\n      var axisIdxArr = axisRecords.get(axisDim);\n\n      if (axisIdxArr && axisIdxArr[axisIndex]) {\n        isLink = true;\n      }\n    });\n    return isLink;\n  }\n\n  function markAxisControlled(dataZoomModel) {\n    dataZoomModel.eachTargetAxis(function (axisDim, axisIndex) {\n      (axisRecords.get(axisDim) || axisRecords.set(axisDim, []))[axisIndex] = true;\n    });\n  }\n\n  return effectedModels;\n}\n/**\n * Find the first target coordinate system.\n * Available after model built.\n *\n * @return Like {\n *                  grid: [\n *                      {model: coord0, axisModels: [axis1, axis3], coordIndex: 1},\n *                      {model: coord1, axisModels: [axis0, axis2], coordIndex: 0},\n *                      ...\n *                  ],  // cartesians must not be null/undefined.\n *                  polar: [\n *                      {model: coord0, axisModels: [axis4], coordIndex: 0},\n *                      ...\n *                  ],  // polars must not be null/undefined.\n *                  singleAxis: [\n *                      {model: coord0, axisModels: [], coordIndex: 0}\n *                  ]\n *              }\n */\n\nexport function collectReferCoordSysModelInfo(dataZoomModel) {\n  var ecModel = dataZoomModel.ecModel;\n  var coordSysInfoWrap = {\n    infoList: [],\n    infoMap: createHashMap()\n  };\n  dataZoomModel.eachTargetAxis(function (axisDim, axisIndex) {\n    var axisModel = ecModel.getComponent(getAxisMainType(axisDim), axisIndex);\n\n    if (!axisModel) {\n      return;\n    }\n\n    var coordSysModel = axisModel.getCoordSysModel();\n\n    if (!coordSysModel) {\n      return;\n    }\n\n    var coordSysUid = coordSysModel.uid;\n    var coordSysInfo = coordSysInfoWrap.infoMap.get(coordSysUid);\n\n    if (!coordSysInfo) {\n      coordSysInfo = {\n        model: coordSysModel,\n        axisModels: []\n      };\n      coordSysInfoWrap.infoList.push(coordSysInfo);\n      coordSysInfoWrap.infoMap.set(coordSysUid, coordSysInfo);\n    }\n\n    coordSysInfo.axisModels.push(axisModel);\n  });\n  return coordSysInfoWrap;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport { each, createHashMap, merge, assert } from 'zrender/lib/core/util';\nimport ComponentModel from '../../model/Component';\nimport { getAxisMainType, DATA_ZOOM_AXIS_DIMENSIONS } from './helper';\nimport { MULTIPLE_REFERRING, SINGLE_REFERRING } from '../../util/model';\n\nvar DataZoomAxisInfo =\n/** @class */\nfunction () {\n  function DataZoomAxisInfo() {\n    this.indexList = [];\n    this.indexMap = [];\n  }\n\n  DataZoomAxisInfo.prototype.add = function (axisCmptIdx) {\n    // Remove duplication.\n    if (!this.indexMap[axisCmptIdx]) {\n      this.indexList.push(axisCmptIdx);\n      this.indexMap[axisCmptIdx] = true;\n    }\n  };\n\n  return DataZoomAxisInfo;\n}();\n\nvar DataZoomModel =\n/** @class */\nfunction (_super) {\n  __extends(DataZoomModel, _super);\n\n  function DataZoomModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = DataZoomModel.type;\n    _this._autoThrottle = true;\n    _this._noTarget = true;\n    /**\n     * It is `[rangeModeForMin, rangeModeForMax]`.\n     * The optional values for `rangeMode`:\n     * + `'value'` mode: the axis extent will always be determined by\n     *     `dataZoom.startValue` and `dataZoom.endValue`, despite\n     *     how data like and how `axis.min` and `axis.max` are.\n     * + `'percent'` mode: `100` represents 100% of the `[dMin, dMax]`,\n     *     where `dMin` is `axis.min` if `axis.min` specified, otherwise `data.extent[0]`,\n     *     and `dMax` is `axis.max` if `axis.max` specified, otherwise `data.extent[1]`.\n     *     Axis extent will be determined by the result of the percent of `[dMin, dMax]`.\n     *\n     * For example, when users are using dynamic data (update data periodically via `setOption`),\n     * if in `'value`' mode, the window will be kept in a fixed value range despite how\n     * data are appended, while if in `'percent'` mode, whe window range will be changed alone with\n     * the appended data (suppose `axis.min` and `axis.max` are not specified).\n     */\n\n    _this._rangePropMode = ['percent', 'percent'];\n    return _this;\n  }\n\n  DataZoomModel.prototype.init = function (option, parentModel, ecModel) {\n    var inputRawOption = retrieveRawOption(option);\n    /**\n     * Suppose a \"main process\" start at the point that model prepared (that is,\n     * model initialized or merged or method called in `action`).\n     * We should keep the `main process` idempotent, that is, given a set of values\n     * on `option`, we get the same result.\n     *\n     * But sometimes, values on `option` will be updated for providing users\n     * a \"final calculated value\" (`dataZoomProcessor` will do that). Those value\n     * should not be the base/input of the `main process`.\n     *\n     * So in that case we should save and keep the input of the `main process`\n     * separately, called `settledOption`.\n     *\n     * For example, consider the case:\n     * (Step_1) brush zoom the grid by `toolbox.dataZoom`,\n     *     where the original input `option.startValue`, `option.endValue` are earsed by\n     *     calculated value.\n     * (Step)2) click the legend to hide and show a series,\n     *     where the new range is calculated by the earsed `startValue` and `endValue`,\n     *     which brings incorrect result.\n     */\n\n    this.settledOption = inputRawOption;\n    this.mergeDefaultAndTheme(option, ecModel);\n\n    this._doInit(inputRawOption);\n  };\n\n  DataZoomModel.prototype.mergeOption = function (newOption) {\n    var inputRawOption = retrieveRawOption(newOption); //FIX #2591\n\n    merge(this.option, newOption, true);\n    merge(this.settledOption, inputRawOption, true);\n\n    this._doInit(inputRawOption);\n  };\n\n  DataZoomModel.prototype._doInit = function (inputRawOption) {\n    var thisOption = this.option; // if (!env.canvasSupported) {\n    //     thisOption.realtime = false;\n    // }\n\n    this._setDefaultThrottle(inputRawOption);\n\n    this._updateRangeUse(inputRawOption);\n\n    var settledOption = this.settledOption;\n    each([['start', 'startValue'], ['end', 'endValue']], function (names, index) {\n      // start/end has higher priority over startValue/endValue if they\n      // both set, but we should make chart.setOption({endValue: 1000})\n      // effective, rather than chart.setOption({endValue: 1000, end: null}).\n      if (this._rangePropMode[index] === 'value') {\n        thisOption[names[0]] = settledOption[names[0]] = null;\n      } // Otherwise do nothing and use the merge result.\n\n    }, this);\n\n    this._resetTarget();\n  };\n\n  DataZoomModel.prototype._resetTarget = function () {\n    var optionOrient = this.get('orient', true);\n    var targetAxisIndexMap = this._targetAxisInfoMap = createHashMap();\n\n    var hasAxisSpecified = this._fillSpecifiedTargetAxis(targetAxisIndexMap);\n\n    if (hasAxisSpecified) {\n      this._orient = optionOrient || this._makeAutoOrientByTargetAxis();\n    } else {\n      this._orient = optionOrient || 'horizontal';\n\n      this._fillAutoTargetAxisByOrient(targetAxisIndexMap, this._orient);\n    }\n\n    this._noTarget = true;\n    targetAxisIndexMap.each(function (axisInfo) {\n      if (axisInfo.indexList.length) {\n        this._noTarget = false;\n      }\n    }, this);\n  };\n\n  DataZoomModel.prototype._fillSpecifiedTargetAxis = function (targetAxisIndexMap) {\n    var hasAxisSpecified = false;\n    each(DATA_ZOOM_AXIS_DIMENSIONS, function (axisDim) {\n      var refering = this.getReferringComponents(getAxisMainType(axisDim), MULTIPLE_REFERRING); // When user set axisIndex as a empty array, we think that user specify axisIndex\n      // but do not want use auto mode. Because empty array may be encountered when\n      // some error occured.\n\n      if (!refering.specified) {\n        return;\n      }\n\n      hasAxisSpecified = true;\n      var axisInfo = new DataZoomAxisInfo();\n      each(refering.models, function (axisModel) {\n        axisInfo.add(axisModel.componentIndex);\n      });\n      targetAxisIndexMap.set(axisDim, axisInfo);\n    }, this);\n    return hasAxisSpecified;\n  };\n\n  DataZoomModel.prototype._fillAutoTargetAxisByOrient = function (targetAxisIndexMap, orient) {\n    var ecModel = this.ecModel;\n    var needAuto = true; // Find axis that parallel to dataZoom as default.\n\n    if (needAuto) {\n      var axisDim = orient === 'vertical' ? 'y' : 'x';\n      var axisModels = ecModel.findComponents({\n        mainType: axisDim + 'Axis'\n      });\n      setParallelAxis(axisModels, axisDim);\n    } // Find axis that parallel to dataZoom as default.\n\n\n    if (needAuto) {\n      var axisModels = ecModel.findComponents({\n        mainType: 'singleAxis',\n        filter: function (axisModel) {\n          return axisModel.get('orient', true) === orient;\n        }\n      });\n      setParallelAxis(axisModels, 'single');\n    }\n\n    function setParallelAxis(axisModels, axisDim) {\n      // At least use the first parallel axis as the target axis.\n      var axisModel = axisModels[0];\n\n      if (!axisModel) {\n        return;\n      }\n\n      var axisInfo = new DataZoomAxisInfo();\n      axisInfo.add(axisModel.componentIndex);\n      targetAxisIndexMap.set(axisDim, axisInfo);\n      needAuto = false; // Find parallel axes in the same grid.\n\n      if (axisDim === 'x' || axisDim === 'y') {\n        var gridModel_1 = axisModel.getReferringComponents('grid', SINGLE_REFERRING).models[0];\n        gridModel_1 && each(axisModels, function (axModel) {\n          if (axisModel.componentIndex !== axModel.componentIndex && gridModel_1 === axModel.getReferringComponents('grid', SINGLE_REFERRING).models[0]) {\n            axisInfo.add(axModel.componentIndex);\n          }\n        });\n      }\n    }\n\n    if (needAuto) {\n      // If no parallel axis, find the first category axis as default. (Also consider polar).\n      each(DATA_ZOOM_AXIS_DIMENSIONS, function (axisDim) {\n        if (!needAuto) {\n          return;\n        }\n\n        var axisModels = ecModel.findComponents({\n          mainType: getAxisMainType(axisDim),\n          filter: function (axisModel) {\n            return axisModel.get('type', true) === 'category';\n          }\n        });\n\n        if (axisModels[0]) {\n          var axisInfo = new DataZoomAxisInfo();\n          axisInfo.add(axisModels[0].componentIndex);\n          targetAxisIndexMap.set(axisDim, axisInfo);\n          needAuto = false;\n        }\n      }, this);\n    }\n  };\n\n  DataZoomModel.prototype._makeAutoOrientByTargetAxis = function () {\n    var dim; // Find the first axis\n\n    this.eachTargetAxis(function (axisDim) {\n      !dim && (dim = axisDim);\n    }, this);\n    return dim === 'y' ? 'vertical' : 'horizontal';\n  };\n\n  DataZoomModel.prototype._setDefaultThrottle = function (inputRawOption) {\n    // When first time user set throttle, auto throttle ends.\n    if (inputRawOption.hasOwnProperty('throttle')) {\n      this._autoThrottle = false;\n    }\n\n    if (this._autoThrottle) {\n      var globalOption = this.ecModel.option;\n      this.option.throttle = globalOption.animation && globalOption.animationDurationUpdate > 0 ? 100 : 20;\n    }\n  };\n\n  DataZoomModel.prototype._updateRangeUse = function (inputRawOption) {\n    var rangePropMode = this._rangePropMode;\n    var rangeModeInOption = this.get('rangeMode');\n    each([['start', 'startValue'], ['end', 'endValue']], function (names, index) {\n      var percentSpecified = inputRawOption[names[0]] != null;\n      var valueSpecified = inputRawOption[names[1]] != null;\n\n      if (percentSpecified && !valueSpecified) {\n        rangePropMode[index] = 'percent';\n      } else if (!percentSpecified && valueSpecified) {\n        rangePropMode[index] = 'value';\n      } else if (rangeModeInOption) {\n        rangePropMode[index] = rangeModeInOption[index];\n      } else if (percentSpecified) {\n        // percentSpecified && valueSpecified\n        rangePropMode[index] = 'percent';\n      } // else remain its original setting.\n\n    });\n  };\n\n  DataZoomModel.prototype.noTarget = function () {\n    return this._noTarget;\n  };\n\n  DataZoomModel.prototype.getFirstTargetAxisModel = function () {\n    var firstAxisModel;\n    this.eachTargetAxis(function (axisDim, axisIndex) {\n      if (firstAxisModel == null) {\n        firstAxisModel = this.ecModel.getComponent(getAxisMainType(axisDim), axisIndex);\n      }\n    }, this);\n    return firstAxisModel;\n  };\n  /**\n   * @param {Function} callback param: axisModel, dimNames, axisIndex, dataZoomModel, ecModel\n   */\n\n\n  DataZoomModel.prototype.eachTargetAxis = function (callback, context) {\n    this._targetAxisInfoMap.each(function (axisInfo, axisDim) {\n      each(axisInfo.indexList, function (axisIndex) {\n        callback.call(context, axisDim, axisIndex);\n      });\n    });\n  };\n  /**\n   * @return If not found, return null/undefined.\n   */\n\n\n  DataZoomModel.prototype.getAxisProxy = function (axisDim, axisIndex) {\n    var axisModel = this.getAxisModel(axisDim, axisIndex);\n\n    if (axisModel) {\n      return axisModel.__dzAxisProxy;\n    }\n  };\n  /**\n   * @return If not found, return null/undefined.\n   */\n\n\n  DataZoomModel.prototype.getAxisModel = function (axisDim, axisIndex) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(axisDim && axisIndex != null);\n    }\n\n    var axisInfo = this._targetAxisInfoMap.get(axisDim);\n\n    if (axisInfo && axisInfo.indexMap[axisIndex]) {\n      return this.ecModel.getComponent(getAxisMainType(axisDim), axisIndex);\n    }\n  };\n  /**\n   * If not specified, set to undefined.\n   */\n\n\n  DataZoomModel.prototype.setRawRange = function (opt) {\n    var thisOption = this.option;\n    var settledOption = this.settledOption;\n    each([['start', 'startValue'], ['end', 'endValue']], function (names) {\n      // Consider the pair <start, startValue>:\n      // If one has value and the other one is `null/undefined`, we both set them\n      // to `settledOption`. This strategy enables the feature to clear the original\n      // value in `settledOption` to `null/undefined`.\n      // But if both of them are `null/undefined`, we do not set them to `settledOption`\n      // and keep `settledOption` with the original value. This strategy enables users to\n      // only set <end or endValue> but not set <start or startValue> when calling\n      // `dispatchAction`.\n      // The pair <end, endValue> is treated in the same way.\n      if (opt[names[0]] != null || opt[names[1]] != null) {\n        thisOption[names[0]] = settledOption[names[0]] = opt[names[0]];\n        thisOption[names[1]] = settledOption[names[1]] = opt[names[1]];\n      }\n    }, this);\n\n    this._updateRangeUse(opt);\n  };\n\n  DataZoomModel.prototype.setCalculatedRange = function (opt) {\n    var option = this.option;\n    each(['start', 'startValue', 'end', 'endValue'], function (name) {\n      option[name] = opt[name];\n    });\n  };\n\n  DataZoomModel.prototype.getPercentRange = function () {\n    var axisProxy = this.findRepresentativeAxisProxy();\n\n    if (axisProxy) {\n      return axisProxy.getDataPercentWindow();\n    }\n  };\n  /**\n   * For example, chart.getModel().getComponent('dataZoom').getValueRange('y', 0);\n   *\n   * @return [startValue, endValue] value can only be '-' or finite number.\n   */\n\n\n  DataZoomModel.prototype.getValueRange = function (axisDim, axisIndex) {\n    if (axisDim == null && axisIndex == null) {\n      var axisProxy = this.findRepresentativeAxisProxy();\n\n      if (axisProxy) {\n        return axisProxy.getDataValueWindow();\n      }\n    } else {\n      return this.getAxisProxy(axisDim, axisIndex).getDataValueWindow();\n    }\n  };\n  /**\n   * @param axisModel If axisModel given, find axisProxy\n   *      corresponding to the axisModel\n   */\n\n\n  DataZoomModel.prototype.findRepresentativeAxisProxy = function (axisModel) {\n    if (axisModel) {\n      return axisModel.__dzAxisProxy;\n    } // Find the first hosted axisProxy\n\n\n    var firstProxy;\n\n    var axisDimList = this._targetAxisInfoMap.keys();\n\n    for (var i = 0; i < axisDimList.length; i++) {\n      var axisDim = axisDimList[i];\n\n      var axisInfo = this._targetAxisInfoMap.get(axisDim);\n\n      for (var j = 0; j < axisInfo.indexList.length; j++) {\n        var proxy = this.getAxisProxy(axisDim, axisInfo.indexList[j]);\n\n        if (proxy.hostedBy(this)) {\n          return proxy;\n        }\n\n        if (!firstProxy) {\n          firstProxy = proxy;\n        }\n      }\n    } // If no hosted proxy found, still need to return a proxy.\n    // This case always happens in toolbox dataZoom, where axes are all hosted by\n    // other dataZooms.\n\n\n    return firstProxy;\n  };\n\n  DataZoomModel.prototype.getRangePropMode = function () {\n    return this._rangePropMode.slice();\n  };\n\n  DataZoomModel.prototype.getOrient = function () {\n    if (process.env.NODE_ENV !== 'production') {\n      // Should not be called before initialized.\n      assert(this._orient);\n    }\n\n    return this._orient;\n  };\n\n  DataZoomModel.type = 'dataZoom';\n  DataZoomModel.dependencies = ['xAxis', 'yAxis', 'radiusAxis', 'angleAxis', 'singleAxis', 'series', 'toolbox'];\n  DataZoomModel.defaultOption = {\n    zlevel: 0,\n    z: 4,\n    filterMode: 'filter',\n    start: 0,\n    end: 100\n  };\n  return DataZoomModel;\n}(ComponentModel);\n/**\n * Retrieve the those raw params from option, which will be cached separately.\n * becasue they will be overwritten by normalized/calculated values in the main\n * process.\n */\n\n\nfunction retrieveRawOption(option) {\n  var ret = {};\n  each(['start', 'end', 'startValue', 'endValue', 'throttle'], function (name) {\n    option.hasOwnProperty(name) && (ret[name] = option[name]);\n  });\n  return ret;\n}\n\nexport default DataZoomModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport DataZoomModel from './DataZoomModel';\n\nvar SelectDataZoomModel =\n/** @class */\nfunction (_super) {\n  __extends(SelectDataZoomModel, _super);\n\n  function SelectDataZoomModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SelectDataZoomModel.type;\n    return _this;\n  }\n\n  SelectDataZoomModel.type = 'dataZoom.select';\n  return SelectDataZoomModel;\n}(DataZoomModel);\n\nexport default SelectDataZoomModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport ComponentView from '../../view/Component';\n\nvar DataZoomView =\n/** @class */\nfunction (_super) {\n  __extends(DataZoomView, _super);\n\n  function DataZoomView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = DataZoomView.type;\n    return _this;\n  }\n\n  DataZoomView.prototype.render = function (dataZoomModel, ecModel, api, payload) {\n    this.dataZoomModel = dataZoomModel;\n    this.ecModel = ecModel;\n    this.api = api;\n  };\n\n  DataZoomView.type = 'dataZoom';\n  return DataZoomView;\n}(ComponentView);\n\nexport default DataZoomView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport DataZoomView from './DataZoomView';\n\nvar SelectDataZoomView =\n/** @class */\nfunction (_super) {\n  __extends(SelectDataZoomView, _super);\n\n  function SelectDataZoomView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SelectDataZoomView.type;\n    return _this;\n  }\n\n  SelectDataZoomView.type = 'dataZoom.select';\n  return SelectDataZoomView;\n}(DataZoomView);\n\nexport default SelectDataZoomView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as numberUtil from '../../util/number';\nimport sliderMove from '../helper/sliderMove';\nimport { unionAxisExtentFromData } from '../../coord/axisHelper';\nimport { ensureScaleRawExtentInfo } from '../../coord/scaleRawExtentInfo';\nimport { getAxisMainType, isCoordSupported } from './helper';\nimport { SINGLE_REFERRING } from '../../util/model';\nvar each = zrUtil.each;\nvar asc = numberUtil.asc;\n/**\n * Operate single axis.\n * One axis can only operated by one axis operator.\n * Different dataZoomModels may be defined to operate the same axis.\n * (i.e. 'inside' data zoom and 'slider' data zoom components)\n * So dataZoomModels share one axisProxy in that case.\n */\n\nvar AxisProxy =\n/** @class */\nfunction () {\n  function AxisProxy(dimName, axisIndex, dataZoomModel, ecModel) {\n    this._dimName = dimName;\n    this._axisIndex = axisIndex;\n    this.ecModel = ecModel;\n    this._dataZoomModel = dataZoomModel; // /**\n    //  * @readOnly\n    //  * @private\n    //  */\n    // this.hasSeriesStacked;\n  }\n  /**\n   * Whether the axisProxy is hosted by dataZoomModel.\n   */\n\n\n  AxisProxy.prototype.hostedBy = function (dataZoomModel) {\n    return this._dataZoomModel === dataZoomModel;\n  };\n  /**\n   * @return Value can only be NaN or finite value.\n   */\n\n\n  AxisProxy.prototype.getDataValueWindow = function () {\n    return this._valueWindow.slice();\n  };\n  /**\n   * @return {Array.<number>}\n   */\n\n\n  AxisProxy.prototype.getDataPercentWindow = function () {\n    return this._percentWindow.slice();\n  };\n\n  AxisProxy.prototype.getTargetSeriesModels = function () {\n    var seriesModels = [];\n    this.ecModel.eachSeries(function (seriesModel) {\n      if (isCoordSupported(seriesModel)) {\n        var axisMainType = getAxisMainType(this._dimName);\n        var axisModel = seriesModel.getReferringComponents(axisMainType, SINGLE_REFERRING).models[0];\n\n        if (axisModel && this._axisIndex === axisModel.componentIndex) {\n          seriesModels.push(seriesModel);\n        }\n      }\n    }, this);\n    return seriesModels;\n  };\n\n  AxisProxy.prototype.getAxisModel = function () {\n    return this.ecModel.getComponent(this._dimName + 'Axis', this._axisIndex);\n  };\n\n  AxisProxy.prototype.getMinMaxSpan = function () {\n    return zrUtil.clone(this._minMaxSpan);\n  };\n  /**\n   * Only calculate by given range and this._dataExtent, do not change anything.\n   */\n\n\n  AxisProxy.prototype.calculateDataWindow = function (opt) {\n    var dataExtent = this._dataExtent;\n    var axisModel = this.getAxisModel();\n    var scale = axisModel.axis.scale;\n\n    var rangePropMode = this._dataZoomModel.getRangePropMode();\n\n    var percentExtent = [0, 100];\n    var percentWindow = [];\n    var valueWindow = [];\n    var hasPropModeValue;\n    each(['start', 'end'], function (prop, idx) {\n      var boundPercent = opt[prop];\n      var boundValue = opt[prop + 'Value']; // Notice: dataZoom is based either on `percentProp` ('start', 'end') or\n      // on `valueProp` ('startValue', 'endValue'). (They are based on the data extent\n      // but not min/max of axis, which will be calculated by data window then).\n      // The former one is suitable for cases that a dataZoom component controls multiple\n      // axes with different unit or extent, and the latter one is suitable for accurate\n      // zoom by pixel (e.g., in dataZoomSelect).\n      // we use `getRangePropMode()` to mark which prop is used. `rangePropMode` is updated\n      // only when setOption or dispatchAction, otherwise it remains its original value.\n      // (Why not only record `percentProp` and always map to `valueProp`? Because\n      // the map `valueProp` -> `percentProp` -> `valueProp` probably not the original\n      // `valueProp`. consider two axes constrolled by one dataZoom. They have different\n      // data extent. All of values that are overflow the `dataExtent` will be calculated\n      // to percent '100%').\n\n      if (rangePropMode[idx] === 'percent') {\n        boundPercent == null && (boundPercent = percentExtent[idx]); // Use scale.parse to math round for category or time axis.\n\n        boundValue = scale.parse(numberUtil.linearMap(boundPercent, percentExtent, dataExtent));\n      } else {\n        hasPropModeValue = true;\n        boundValue = boundValue == null ? dataExtent[idx] : scale.parse(boundValue); // Calculating `percent` from `value` may be not accurate, because\n        // This calculation can not be inversed, because all of values that\n        // are overflow the `dataExtent` will be calculated to percent '100%'\n\n        boundPercent = numberUtil.linearMap(boundValue, dataExtent, percentExtent);\n      } // valueWindow[idx] = round(boundValue);\n      // percentWindow[idx] = round(boundPercent);\n\n\n      valueWindow[idx] = boundValue;\n      percentWindow[idx] = boundPercent;\n    });\n    asc(valueWindow);\n    asc(percentWindow); // The windows from user calling of `dispatchAction` might be out of the extent,\n    // or do not obey the `min/maxSpan`, `min/maxValueSpan`. But we dont restrict window\n    // by `zoomLock` here, because we see `zoomLock` just as a interaction constraint,\n    // where API is able to initialize/modify the window size even though `zoomLock`\n    // specified.\n\n    var spans = this._minMaxSpan;\n    hasPropModeValue ? restrictSet(valueWindow, percentWindow, dataExtent, percentExtent, false) : restrictSet(percentWindow, valueWindow, percentExtent, dataExtent, true);\n\n    function restrictSet(fromWindow, toWindow, fromExtent, toExtent, toValue) {\n      var suffix = toValue ? 'Span' : 'ValueSpan';\n      sliderMove(0, fromWindow, fromExtent, 'all', spans['min' + suffix], spans['max' + suffix]);\n\n      for (var i = 0; i < 2; i++) {\n        toWindow[i] = numberUtil.linearMap(fromWindow[i], fromExtent, toExtent, true);\n        toValue && (toWindow[i] = scale.parse(toWindow[i]));\n      }\n    }\n\n    return {\n      valueWindow: valueWindow,\n      percentWindow: percentWindow\n    };\n  };\n  /**\n   * Notice: reset should not be called before series.restoreData() called,\n   * so it is recommanded to be called in \"process stage\" but not \"model init\n   * stage\".\n   */\n\n\n  AxisProxy.prototype.reset = function (dataZoomModel) {\n    if (dataZoomModel !== this._dataZoomModel) {\n      return;\n    }\n\n    var targetSeries = this.getTargetSeriesModels(); // Culculate data window and data extent, and record them.\n\n    this._dataExtent = calculateDataExtent(this, this._dimName, targetSeries); // this.hasSeriesStacked = false;\n    // each(targetSeries, function (series) {\n    // let data = series.getData();\n    // let dataDim = data.mapDimension(this._dimName);\n    // let stackedDimension = data.getCalculationInfo('stackedDimension');\n    // if (stackedDimension && stackedDimension === dataDim) {\n    // this.hasSeriesStacked = true;\n    // }\n    // }, this);\n    // `calculateDataWindow` uses min/maxSpan.\n\n    this._updateMinMaxSpan();\n\n    var dataWindow = this.calculateDataWindow(dataZoomModel.settledOption);\n    this._valueWindow = dataWindow.valueWindow;\n    this._percentWindow = dataWindow.percentWindow; // Update axis setting then.\n\n    this._setAxisModel();\n  };\n\n  AxisProxy.prototype.filterData = function (dataZoomModel, api) {\n    if (dataZoomModel !== this._dataZoomModel) {\n      return;\n    }\n\n    var axisDim = this._dimName;\n    var seriesModels = this.getTargetSeriesModels();\n    var filterMode = dataZoomModel.get('filterMode');\n    var valueWindow = this._valueWindow;\n\n    if (filterMode === 'none') {\n      return;\n    } // FIXME\n    // Toolbox may has dataZoom injected. And if there are stacked bar chart\n    // with NaN data, NaN will be filtered and stack will be wrong.\n    // So we need to force the mode to be set empty.\n    // In fect, it is not a big deal that do not support filterMode-'filter'\n    // when using toolbox#dataZoom, utill tooltip#dataZoom support \"single axis\n    // selection\" some day, which might need \"adapt to data extent on the\n    // otherAxis\", which is disabled by filterMode-'empty'.\n    // But currently, stack has been fixed to based on value but not index,\n    // so this is not an issue any more.\n    // let otherAxisModel = this.getOtherAxisModel();\n    // if (dataZoomModel.get('$fromToolbox')\n    //     && otherAxisModel\n    //     && otherAxisModel.hasSeriesStacked\n    // ) {\n    //     filterMode = 'empty';\n    // }\n    // TODO\n    // filterMode 'weakFilter' and 'empty' is not optimized for huge data yet.\n\n\n    each(seriesModels, function (seriesModel) {\n      var seriesData = seriesModel.getData();\n      var dataDims = seriesData.mapDimensionsAll(axisDim);\n\n      if (!dataDims.length) {\n        return;\n      }\n\n      if (filterMode === 'weakFilter') {\n        seriesData.filterSelf(function (dataIndex) {\n          var leftOut;\n          var rightOut;\n          var hasValue;\n\n          for (var i = 0; i < dataDims.length; i++) {\n            var value = seriesData.get(dataDims[i], dataIndex);\n            var thisHasValue = !isNaN(value);\n            var thisLeftOut = value < valueWindow[0];\n            var thisRightOut = value > valueWindow[1];\n\n            if (thisHasValue && !thisLeftOut && !thisRightOut) {\n              return true;\n            }\n\n            thisHasValue && (hasValue = true);\n            thisLeftOut && (leftOut = true);\n            thisRightOut && (rightOut = true);\n          } // If both left out and right out, do not filter.\n\n\n          return hasValue && leftOut && rightOut;\n        });\n      } else {\n        each(dataDims, function (dim) {\n          if (filterMode === 'empty') {\n            seriesModel.setData(seriesData = seriesData.map(dim, function (value) {\n              return !isInWindow(value) ? NaN : value;\n            }));\n          } else {\n            var range = {};\n            range[dim] = valueWindow; // console.time('select');\n\n            seriesData.selectRange(range); // console.timeEnd('select');\n          }\n        });\n      }\n\n      each(dataDims, function (dim) {\n        seriesData.setApproximateExtent(valueWindow, dim);\n      });\n    });\n\n    function isInWindow(value) {\n      return value >= valueWindow[0] && value <= valueWindow[1];\n    }\n  };\n\n  AxisProxy.prototype._updateMinMaxSpan = function () {\n    var minMaxSpan = this._minMaxSpan = {};\n    var dataZoomModel = this._dataZoomModel;\n    var dataExtent = this._dataExtent;\n    each(['min', 'max'], function (minMax) {\n      var percentSpan = dataZoomModel.get(minMax + 'Span');\n      var valueSpan = dataZoomModel.get(minMax + 'ValueSpan');\n      valueSpan != null && (valueSpan = this.getAxisModel().axis.scale.parse(valueSpan)); // minValueSpan and maxValueSpan has higher priority than minSpan and maxSpan\n\n      if (valueSpan != null) {\n        percentSpan = numberUtil.linearMap(dataExtent[0] + valueSpan, dataExtent, [0, 100], true);\n      } else if (percentSpan != null) {\n        valueSpan = numberUtil.linearMap(percentSpan, [0, 100], dataExtent, true) - dataExtent[0];\n      }\n\n      minMaxSpan[minMax + 'Span'] = percentSpan;\n      minMaxSpan[minMax + 'ValueSpan'] = valueSpan;\n    }, this);\n  };\n\n  AxisProxy.prototype._setAxisModel = function () {\n    var axisModel = this.getAxisModel();\n    var percentWindow = this._percentWindow;\n    var valueWindow = this._valueWindow;\n\n    if (!percentWindow) {\n      return;\n    } // [0, 500]: arbitrary value, guess axis extent.\n\n\n    var precision = numberUtil.getPixelPrecision(valueWindow, [0, 500]);\n    precision = Math.min(precision, 20); // For value axis, if min/max/scale are not set, we just use the extent obtained\n    // by series data, which may be a little different from the extent calculated by\n    // `axisHelper.getScaleExtent`. But the different just affects the experience a\n    // little when zooming. So it will not be fixed until some users require it strongly.\n\n    var rawExtentInfo = axisModel.axis.scale.rawExtentInfo;\n\n    if (percentWindow[0] !== 0) {\n      rawExtentInfo.setDeterminedMinMax('min', +valueWindow[0].toFixed(precision));\n    }\n\n    if (percentWindow[1] !== 100) {\n      rawExtentInfo.setDeterminedMinMax('max', +valueWindow[1].toFixed(precision));\n    }\n\n    rawExtentInfo.freeze();\n  };\n\n  return AxisProxy;\n}();\n\nfunction calculateDataExtent(axisProxy, axisDim, seriesModels) {\n  var dataExtent = [Infinity, -Infinity];\n  each(seriesModels, function (seriesModel) {\n    unionAxisExtentFromData(dataExtent, seriesModel.getData(), axisDim);\n  }); // It is important to get \"consistent\" extent when more then one axes is\n  // controlled by a `dataZoom`, otherwise those axes will not be synchronized\n  // when zooming. But it is difficult to know what is \"consistent\", considering\n  // axes have different type or even different meanings (For example, two\n  // time axes are used to compare data of the same date in different years).\n  // So basically dataZoom just obtains extent by series.data (in category axis\n  // extent can be obtained from axis.data).\n  // Nevertheless, user can set min/max/scale on axes to make extent of axes\n  // consistent.\n\n  var axisModel = axisProxy.getAxisModel();\n  var rawExtentResult = ensureScaleRawExtentInfo(axisModel.axis.scale, axisModel, dataExtent).calculate();\n  return [rawExtentResult.min, rawExtentResult.max];\n}\n\nexport default AxisProxy;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { createHashMap, each } from 'zrender/lib/core/util';\nimport { getAxisMainType } from './helper';\nimport AxisProxy from './AxisProxy';\nvar dataZoomProcessor = {\n  // `dataZoomProcessor` will only be performed in needed series. Consider if\n  // there is a line series and a pie series, it is better not to update the\n  // line series if only pie series is needed to be updated.\n  getTargetSeries: function (ecModel) {\n    function eachAxisModel(cb) {\n      ecModel.eachComponent('dataZoom', function (dataZoomModel) {\n        dataZoomModel.eachTargetAxis(function (axisDim, axisIndex) {\n          var axisModel = ecModel.getComponent(getAxisMainType(axisDim), axisIndex);\n          cb(axisDim, axisIndex, axisModel, dataZoomModel);\n        });\n      });\n    } // FIXME: it brings side-effect to `getTargetSeries`.\n    // Prepare axis proxies.\n\n\n    eachAxisModel(function (axisDim, axisIndex, axisModel, dataZoomModel) {\n      // dispose all last axis proxy, in case that some axis are deleted.\n      axisModel.__dzAxisProxy = null;\n    });\n    var proxyList = [];\n    eachAxisModel(function (axisDim, axisIndex, axisModel, dataZoomModel) {\n      // Different dataZooms may constrol the same axis. In that case,\n      // an axisProxy serves both of them.\n      if (!axisModel.__dzAxisProxy) {\n        // Use the first dataZoomModel as the main model of axisProxy.\n        axisModel.__dzAxisProxy = new AxisProxy(axisDim, axisIndex, dataZoomModel, ecModel);\n        proxyList.push(axisModel.__dzAxisProxy);\n      }\n    });\n    var seriesModelMap = createHashMap();\n    each(proxyList, function (axisProxy) {\n      each(axisProxy.getTargetSeriesModels(), function (seriesModel) {\n        seriesModelMap.set(seriesModel.uid, seriesModel);\n      });\n    });\n    return seriesModelMap;\n  },\n  // Consider appendData, where filter should be performed. Because data process is\n  // in block mode currently, it is not need to worry about that the overallProgress\n  // execute every frame.\n  overallReset: function (ecModel, api) {\n    ecModel.eachComponent('dataZoom', function (dataZoomModel) {\n      // We calculate window and reset axis here but not in model\n      // init stage and not after action dispatch handler, because\n      // reset should be called after seriesData.restoreData.\n      dataZoomModel.eachTargetAxis(function (axisDim, axisIndex) {\n        dataZoomModel.getAxisProxy(axisDim, axisIndex).reset(dataZoomModel);\n      }); // Caution: data zoom filtering is order sensitive when using\n      // percent range and no min/max/scale set on axis.\n      // For example, we have dataZoom definition:\n      // [\n      //      {xAxisIndex: 0, start: 30, end: 70},\n      //      {yAxisIndex: 0, start: 20, end: 80}\n      // ]\n      // In this case, [20, 80] of y-dataZoom should be based on data\n      // that have filtered by x-dataZoom using range of [30, 70],\n      // but should not be based on full raw data. Thus sliding\n      // x-dataZoom will change both ranges of xAxis and yAxis,\n      // while sliding y-dataZoom will only change the range of yAxis.\n      // So we should filter x-axis after reset x-axis immediately,\n      // and then reset y-axis and filter y-axis.\n\n      dataZoomModel.eachTargetAxis(function (axisDim, axisIndex) {\n        dataZoomModel.getAxisProxy(axisDim, axisIndex).filterData(dataZoomModel, api);\n      });\n    });\n    ecModel.eachComponent('dataZoom', function (dataZoomModel) {\n      // Fullfill all of the range props so that user\n      // is able to get them from chart.getOption().\n      var axisProxy = dataZoomModel.findRepresentativeAxisProxy();\n\n      if (axisProxy) {\n        var percentRange = axisProxy.getDataPercentWindow();\n        var valueRange = axisProxy.getDataValueWindow();\n        dataZoomModel.setCalculatedRange({\n          start: percentRange[0],\n          end: percentRange[1],\n          startValue: valueRange[0],\n          endValue: valueRange[1]\n        });\n      }\n    });\n  }\n};\nexport default dataZoomProcessor;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport dataZoomProcessor from './dataZoomProcessor';\nimport installDataZoomAction from './dataZoomAction';\nvar installed = false;\nexport default function installCommon(registers) {\n  if (installed) {\n    return;\n  }\n\n  installed = true;\n  registers.registerProcessor(registers.PRIORITY.PROCESSOR.FILTER, dataZoomProcessor);\n  installDataZoomAction(registers);\n  registers.registerSubTypeDefaulter('dataZoom', function () {\n    // Default 'slider' when no type specified.\n    return 'slider';\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { findEffectedDataZooms } from './helper';\nimport { each } from 'zrender/lib/core/util';\nexport default function installDataZoomAction(registers) {\n  registers.registerAction('dataZoom', function (payload, ecModel) {\n    var effectedModels = findEffectedDataZooms(ecModel, payload);\n    each(effectedModels, function (dataZoomModel) {\n      dataZoomModel.setRawRange({\n        start: payload.start,\n        end: payload.end,\n        startValue: payload.startValue,\n        endValue: payload.endValue\n      });\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport SelectZoomModel from './SelectZoomModel';\nimport SelectZoomView from './SelectZoomView';\nimport installCommon from './installCommon';\nexport function install(registers) {\n  registers.registerComponentModel(SelectZoomModel);\n  registers.registerComponentView(SelectZoomView);\n  installCommon(registers);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\nvar ToolboxFeature =\n/** @class */\nfunction () {\n  function ToolboxFeature() {}\n\n  return ToolboxFeature;\n}();\n\nexport { ToolboxFeature };\nvar features = {};\nexport function registerFeature(name, ctor) {\n  features[name] = ctor;\n}\nexport function getFeature(name) {\n  return features[name];\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as featureManager from './featureManager';\nimport ComponentModel from '../../model/Component';\n\nvar ToolboxModel =\n/** @class */\nfunction (_super) {\n  __extends(ToolboxModel, _super);\n\n  function ToolboxModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ToolboxModel.type;\n    return _this;\n  }\n\n  ToolboxModel.prototype.optionUpdated = function () {\n    _super.prototype.optionUpdated.apply(this, arguments);\n\n    var ecModel = this.ecModel;\n    zrUtil.each(this.option.feature, function (featureOpt, featureName) {\n      var Feature = featureManager.getFeature(featureName);\n\n      if (Feature) {\n        if (Feature.getDefaultOption) {\n          Feature.defaultOption = Feature.getDefaultOption(ecModel);\n        }\n\n        zrUtil.merge(featureOpt, Feature.defaultOption);\n      }\n    });\n  };\n\n  ToolboxModel.type = 'toolbox';\n  ToolboxModel.layoutMode = {\n    type: 'box',\n    ignoreSize: true\n  };\n  ToolboxModel.defaultOption = {\n    show: true,\n    z: 6,\n    zlevel: 0,\n    orient: 'horizontal',\n    left: 'right',\n    top: 'top',\n    // right\n    // bottom\n    backgroundColor: 'transparent',\n    borderColor: '#ccc',\n    borderRadius: 0,\n    borderWidth: 0,\n    padding: 5,\n    itemSize: 15,\n    itemGap: 8,\n    showTitle: true,\n    iconStyle: {\n      borderColor: '#666',\n      color: 'none'\n    },\n    emphasis: {\n      iconStyle: {\n        borderColor: '#3E98C5'\n      }\n    },\n    // textStyle: {},\n    // feature\n    tooltip: {\n      show: false,\n      position: 'bottom'\n    }\n  };\n  return ToolboxModel;\n}(ComponentModel);\n\nexport default ToolboxModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// @ts-nocheck\nimport { getLayoutRect, box as layoutBox, positionElement } from '../../util/layout';\nimport * as formatUtil from '../../util/format';\nimport * as graphic from '../../util/graphic';\n/**\n * Layout list like component.\n * It will box layout each items in group of component and then position the whole group in the viewport\n * @param {module:zrender/group/Group} group\n * @param {module:echarts/model/Component} componentModel\n * @param {module:echarts/ExtensionAPI}\n */\n\nexport function layout(group, componentModel, api) {\n  var boxLayoutParams = componentModel.getBoxLayoutParams();\n  var padding = componentModel.get('padding');\n  var viewportSize = {\n    width: api.getWidth(),\n    height: api.getHeight()\n  };\n  var rect = getLayoutRect(boxLayoutParams, viewportSize, padding);\n  layoutBox(componentModel.get('orient'), group, componentModel.get('itemGap'), rect.width, rect.height);\n  positionElement(group, boxLayoutParams, viewportSize, padding);\n}\nexport function makeBackground(rect, componentModel) {\n  var padding = formatUtil.normalizeCssArray(componentModel.get('padding'));\n  var style = componentModel.getItemStyle(['color', 'opacity']);\n  style.fill = componentModel.get('backgroundColor');\n  rect = new graphic.Rect({\n    shape: {\n      x: rect.x - padding[3],\n      y: rect.y - padding[0],\n      width: rect.width + padding[1] + padding[3],\n      height: rect.height + padding[0] + padding[2],\n      r: componentModel.get('borderRadius')\n    },\n    style: style,\n    silent: true,\n    z2: -1\n  }); // FIXME\n  // `subPixelOptimizeRect` may bring some gap between edge of viewpart\n  // and background rect when setting like `left: 0`, `top: 0`.\n  // graphic.subPixelOptimizeRect(rect);\n\n  return rect;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as textContain from 'zrender/lib/contain/text';\nimport * as graphic from '../../util/graphic';\nimport { enterEmphasis, leaveEmphasis } from '../../util/states';\nimport Model from '../../model/Model';\nimport DataDiffer from '../../data/DataDiffer';\nimport * as listComponentHelper from '../helper/listComponent';\nimport ComponentView from '../../view/Component';\nimport { ToolboxFeature, getFeature } from './featureManager';\nimport { getUID } from '../../util/component';\nimport ZRText from 'zrender/lib/graphic/Text';\n\nvar ToolboxView =\n/** @class */\nfunction (_super) {\n  __extends(ToolboxView, _super);\n\n  function ToolboxView() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  ToolboxView.prototype.render = function (toolboxModel, ecModel, api, payload) {\n    var group = this.group;\n    group.removeAll();\n\n    if (!toolboxModel.get('show')) {\n      return;\n    }\n\n    var itemSize = +toolboxModel.get('itemSize');\n    var featureOpts = toolboxModel.get('feature') || {};\n    var features = this._features || (this._features = {});\n    var featureNames = [];\n    zrUtil.each(featureOpts, function (opt, name) {\n      featureNames.push(name);\n    });\n    new DataDiffer(this._featureNames || [], featureNames).add(processFeature).update(processFeature).remove(zrUtil.curry(processFeature, null)).execute(); // Keep for diff.\n\n    this._featureNames = featureNames;\n\n    function processFeature(newIndex, oldIndex) {\n      var featureName = featureNames[newIndex];\n      var oldName = featureNames[oldIndex];\n      var featureOpt = featureOpts[featureName];\n      var featureModel = new Model(featureOpt, toolboxModel, toolboxModel.ecModel);\n      var feature; // FIX#11236, merge feature title from MagicType newOption. TODO: consider seriesIndex ?\n\n      if (payload && payload.newTitle != null && payload.featureName === featureName) {\n        featureOpt.title = payload.newTitle;\n      }\n\n      if (featureName && !oldName) {\n        // Create\n        if (isUserFeatureName(featureName)) {\n          feature = {\n            onclick: featureModel.option.onclick,\n            featureName: featureName\n          };\n        } else {\n          var Feature = getFeature(featureName);\n\n          if (!Feature) {\n            return;\n          }\n\n          feature = new Feature();\n        }\n\n        features[featureName] = feature;\n      } else {\n        feature = features[oldName]; // If feature does not exsit.\n\n        if (!feature) {\n          return;\n        }\n      }\n\n      feature.uid = getUID('toolbox-feature');\n      feature.model = featureModel;\n      feature.ecModel = ecModel;\n      feature.api = api;\n\n      if (feature instanceof ToolboxFeature) {\n        if (!featureName && oldName) {\n          feature.dispose && feature.dispose(ecModel, api);\n          return;\n        }\n\n        if (!featureModel.get('show') || feature.unusable) {\n          feature.remove && feature.remove(ecModel, api);\n          return;\n        }\n      }\n\n      createIconPaths(featureModel, feature, featureName);\n\n      featureModel.setIconStatus = function (iconName, status) {\n        var option = this.option;\n        var iconPaths = this.iconPaths;\n        option.iconStatus = option.iconStatus || {};\n        option.iconStatus[iconName] = status;\n\n        if (iconPaths[iconName]) {\n          (status === 'emphasis' ? enterEmphasis : leaveEmphasis)(iconPaths[iconName]);\n        }\n      };\n\n      if (feature instanceof ToolboxFeature) {\n        if (feature.render) {\n          feature.render(featureModel, ecModel, api, payload);\n        }\n      }\n    }\n\n    function createIconPaths(featureModel, feature, featureName) {\n      var iconStyleModel = featureModel.getModel('iconStyle');\n      var iconStyleEmphasisModel = featureModel.getModel(['emphasis', 'iconStyle']); // If one feature has mutiple icon. they are orginaized as\n      // {\n      //     icon: {\n      //         foo: '',\n      //         bar: ''\n      //     },\n      //     title: {\n      //         foo: '',\n      //         bar: ''\n      //     }\n      // }\n\n      var icons = feature instanceof ToolboxFeature && feature.getIcons ? feature.getIcons() : featureModel.get('icon');\n      var titles = featureModel.get('title') || {};\n      var iconsMap;\n      var titlesMap;\n\n      if (typeof icons === 'string') {\n        iconsMap = {};\n        iconsMap[featureName] = icons;\n      } else {\n        iconsMap = icons;\n      }\n\n      if (typeof titles === 'string') {\n        titlesMap = {};\n        titlesMap[featureName] = titles;\n      } else {\n        titlesMap = titles;\n      }\n\n      var iconPaths = featureModel.iconPaths = {};\n      zrUtil.each(iconsMap, function (iconStr, iconName) {\n        var path = graphic.createIcon(iconStr, {}, {\n          x: -itemSize / 2,\n          y: -itemSize / 2,\n          width: itemSize,\n          height: itemSize\n        }); // TODO handling image\n\n        path.setStyle(iconStyleModel.getItemStyle());\n        var pathEmphasisState = path.ensureState('emphasis');\n        pathEmphasisState.style = iconStyleEmphasisModel.getItemStyle(); // Text position calculation\n\n        var textContent = new ZRText({\n          style: {\n            text: titlesMap[iconName],\n            align: iconStyleEmphasisModel.get('textAlign'),\n            borderRadius: iconStyleEmphasisModel.get('textBorderRadius'),\n            padding: iconStyleEmphasisModel.get('textPadding'),\n            fill: null\n          },\n          ignore: true\n        });\n        path.setTextContent(textContent);\n        graphic.setTooltipConfig({\n          el: path,\n          componentModel: toolboxModel,\n          itemName: iconName,\n          formatterParamsExtra: {\n            title: titlesMap[iconName]\n          }\n        }); // graphic.enableHoverEmphasis(path);\n\n        path.__title = titlesMap[iconName];\n        path.on('mouseover', function () {\n          // Should not reuse above hoverStyle, which might be modified.\n          var hoverStyle = iconStyleEmphasisModel.getItemStyle();\n          var defaultTextPosition = toolboxModel.get('orient') === 'vertical' ? toolboxModel.get('right') == null ? 'right' : 'left' : toolboxModel.get('bottom') == null ? 'bottom' : 'top';\n          textContent.setStyle({\n            fill: iconStyleEmphasisModel.get('textFill') || hoverStyle.fill || hoverStyle.stroke || '#000',\n            backgroundColor: iconStyleEmphasisModel.get('textBackgroundColor')\n          });\n          path.setTextConfig({\n            position: iconStyleEmphasisModel.get('textPosition') || defaultTextPosition\n          });\n          textContent.ignore = !toolboxModel.get('showTitle'); // Use enterEmphasis and leaveEmphasis provide by ec.\n          // There are flags managed by the echarts.\n\n          enterEmphasis(this);\n        }).on('mouseout', function () {\n          if (featureModel.get(['iconStatus', iconName]) !== 'emphasis') {\n            leaveEmphasis(this);\n          }\n\n          textContent.hide();\n        });\n        (featureModel.get(['iconStatus', iconName]) === 'emphasis' ? enterEmphasis : leaveEmphasis)(path);\n        group.add(path);\n        path.on('click', zrUtil.bind(feature.onclick, feature, ecModel, api, iconName));\n        iconPaths[iconName] = path;\n      });\n    }\n\n    listComponentHelper.layout(group, toolboxModel, api); // Render background after group is layout\n    // FIXME\n\n    group.add(listComponentHelper.makeBackground(group.getBoundingRect(), toolboxModel)); // Adjust icon title positions to avoid them out of screen\n\n    group.eachChild(function (icon) {\n      var titleText = icon.__title; // const hoverStyle = icon.hoverStyle;\n      // TODO simplify code?\n\n      var emphasisState = icon.ensureState('emphasis');\n      var emphasisTextConfig = emphasisState.textConfig || (emphasisState.textConfig = {});\n      var textContent = icon.getTextContent();\n      var emphasisTextState = textContent && textContent.states.emphasis; // May be background element\n\n      if (emphasisTextState && !zrUtil.isFunction(emphasisTextState) && titleText) {\n        var emphasisTextStyle = emphasisTextState.style || (emphasisTextState.style = {});\n        var rect = textContain.getBoundingRect(titleText, ZRText.makeFont(emphasisTextStyle));\n        var offsetX = icon.x + group.x;\n        var offsetY = icon.y + group.y + itemSize;\n        var needPutOnTop = false;\n\n        if (offsetY + rect.height > api.getHeight()) {\n          emphasisTextConfig.position = 'top';\n          needPutOnTop = true;\n        }\n\n        var topOffset = needPutOnTop ? -5 - rect.height : itemSize + 8;\n\n        if (offsetX + rect.width / 2 > api.getWidth()) {\n          emphasisTextConfig.position = ['100%', topOffset];\n          emphasisTextStyle.align = 'right';\n        } else if (offsetX - rect.width / 2 < 0) {\n          emphasisTextConfig.position = [0, topOffset];\n          emphasisTextStyle.align = 'left';\n        }\n      }\n    });\n  };\n\n  ToolboxView.prototype.updateView = function (toolboxModel, ecModel, api, payload) {\n    zrUtil.each(this._features, function (feature) {\n      feature instanceof ToolboxFeature && feature.updateView && feature.updateView(feature.model, ecModel, api, payload);\n    });\n  }; // updateLayout(toolboxModel, ecModel, api, payload) {\n  //     zrUtil.each(this._features, function (feature) {\n  //         feature.updateLayout && feature.updateLayout(feature.model, ecModel, api, payload);\n  //     });\n  // },\n\n\n  ToolboxView.prototype.remove = function (ecModel, api) {\n    zrUtil.each(this._features, function (feature) {\n      feature instanceof ToolboxFeature && feature.remove && feature.remove(ecModel, api);\n    });\n    this.group.removeAll();\n  };\n\n  ToolboxView.prototype.dispose = function (ecModel, api) {\n    zrUtil.each(this._features, function (feature) {\n      feature instanceof ToolboxFeature && feature.dispose && feature.dispose(ecModel, api);\n    });\n  };\n\n  ToolboxView.type = 'toolbox';\n  return ToolboxView;\n}(ComponentView);\n\nfunction isUserFeatureName(featureName) {\n  return featureName.indexOf('my') === 0;\n}\n\nexport default ToolboxView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\n/* global Uint8Array */\n\nimport env from 'zrender/lib/core/env';\nimport { ToolboxFeature } from '../featureManager';\n\nvar SaveAsImage =\n/** @class */\nfunction (_super) {\n  __extends(SaveAsImage, _super);\n\n  function SaveAsImage() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  SaveAsImage.prototype.onclick = function (ecModel, api) {\n    var model = this.model;\n    var title = model.get('name') || ecModel.get('title.0.text') || 'echarts';\n    var isSvg = api.getZr().painter.getType() === 'svg';\n    var type = isSvg ? 'svg' : model.get('type', true) || 'png';\n    var url = api.getConnectedDataURL({\n      type: type,\n      backgroundColor: model.get('backgroundColor', true) || ecModel.get('backgroundColor') || '#fff',\n      connectedBackgroundColor: model.get('connectedBackgroundColor'),\n      excludeComponents: model.get('excludeComponents'),\n      pixelRatio: model.get('pixelRatio')\n    }); // Chrome, Firefox, New Edge\n\n    if (typeof MouseEvent === 'function' && (env.browser.newEdge || !env.browser.ie && !env.browser.edge)) {\n      var $a = document.createElement('a');\n      $a.download = title + '.' + type;\n      $a.target = '_blank';\n      $a.href = url;\n      var evt = new MouseEvent('click', {\n        // some micro front-end framework， window maybe is a Proxy\n        view: document.defaultView,\n        bubbles: true,\n        cancelable: false\n      });\n      $a.dispatchEvent(evt);\n    } // IE or old Edge\n    else {\n        if (window.navigator.msSaveOrOpenBlob || isSvg) {\n          var parts = url.split(','); // data:[<mime type>][;charset=<charset>][;base64],<encoded data>\n\n          var base64Encoded = parts[0].indexOf('base64') > -1;\n          var bstr = isSvg // should decode the svg data uri first\n          ? decodeURIComponent(parts[1]) : parts[1]; // only `atob` when the data uri is encoded with base64\n          // otherwise, like `svg` data uri exported by zrender,\n          // there will be an error, for it's not encoded with base64.\n          // (just a url-encoded string through `encodeURIComponent`)\n\n          base64Encoded && (bstr = atob(bstr));\n          var filename = title + '.' + type;\n\n          if (window.navigator.msSaveOrOpenBlob) {\n            var n = bstr.length;\n            var u8arr = new Uint8Array(n);\n\n            while (n--) {\n              u8arr[n] = bstr.charCodeAt(n);\n            }\n\n            var blob = new Blob([u8arr]);\n            window.navigator.msSaveOrOpenBlob(blob, filename);\n          } else {\n            var frame = document.createElement('iframe');\n            document.body.appendChild(frame);\n            var cw = frame.contentWindow;\n            var doc = cw.document;\n            doc.open('image/svg+xml', 'replace');\n            doc.write(bstr);\n            doc.close();\n            cw.focus();\n            doc.execCommand('SaveAs', true, filename);\n            document.body.removeChild(frame);\n          }\n        } else {\n          var lang = model.get('lang');\n          var html = '' + '<body style=\"margin:0;\">' + '<img src=\"' + url + '\" style=\"max-width:100%;\" title=\"' + (lang && lang[0] || '') + '\" />' + '</body>';\n          var tab = window.open();\n          tab.document.write(html);\n          tab.document.title = title;\n        }\n      }\n  };\n\n  SaveAsImage.getDefaultOption = function (ecModel) {\n    var defaultOption = {\n      show: true,\n      icon: 'M4.7,22.9L29.3,45.5L54.7,23.4M4.6,43.6L4.6,58L53.8,58L53.8,43.6M29.2,45.1L29.2,0',\n      title: ecModel.getLocale(['toolbox', 'saveAsImage', 'title']),\n      type: 'png',\n      // Default use option.backgroundColor\n      // backgroundColor: '#fff',\n      connectedBackgroundColor: '#fff',\n      name: '',\n      excludeComponents: ['toolbox'],\n      // use current pixel ratio of device by default\n      // pixelRatio: 1,\n      lang: ecModel.getLocale(['toolbox', 'saveAsImage', 'lang'])\n    };\n    return defaultOption;\n  };\n\n  return SaveAsImage;\n}(ToolboxFeature);\n\nSaveAsImage.prototype.unusable = !env.canvasSupported;\nexport default SaveAsImage;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as echarts from '../../../core/echarts';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { ToolboxFeature } from '../featureManager';\nimport { SINGLE_REFERRING } from '../../../util/model';\nvar INNER_STACK_KEYWORD = '__ec_magicType_stack__';\nvar ICON_TYPES = ['line', 'bar', 'stack']; // stack and tiled appears in pair for the title\n\nvar TITLE_TYPES = ['line', 'bar', 'stack', 'tiled'];\nvar radioTypes = [['line', 'bar'], ['stack']];\n\nvar MagicType =\n/** @class */\nfunction (_super) {\n  __extends(MagicType, _super);\n\n  function MagicType() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  MagicType.prototype.getIcons = function () {\n    var model = this.model;\n    var availableIcons = model.get('icon');\n    var icons = {};\n    zrUtil.each(model.get('type'), function (type) {\n      if (availableIcons[type]) {\n        icons[type] = availableIcons[type];\n      }\n    });\n    return icons;\n  };\n\n  MagicType.getDefaultOption = function (ecModel) {\n    var defaultOption = {\n      show: true,\n      type: [],\n      // Icon group\n      icon: {\n        line: 'M4.1,28.9h7.1l9.3-22l7.4,38l9.7-19.7l3,12.8h14.9M4.1,58h51.4',\n        bar: 'M6.7,22.9h10V48h-10V22.9zM24.9,13h10v35h-10V13zM43.2,2h10v46h-10V2zM3.1,58h53.7',\n        // eslint-disable-next-line\n        stack: 'M8.2,38.4l-8.4,4.1l30.6,15.3L60,42.5l-8.1-4.1l-21.5,11L8.2,38.4z M51.9,30l-8.1,4.2l-13.4,6.9l-13.9-6.9L8.2,30l-8.4,4.2l8.4,4.2l22.2,11l21.5-11l8.1-4.2L51.9,30z M51.9,21.7l-8.1,4.2L35.7,30l-5.3,2.8L24.9,30l-8.4-4.1l-8.3-4.2l-8.4,4.2L8.2,30l8.3,4.2l13.9,6.9l13.4-6.9l8.1-4.2l8.1-4.1L51.9,21.7zM30.4,2.2L-0.2,17.5l8.4,4.1l8.3,4.2l8.4,4.2l5.5,2.7l5.3-2.7l8.1-4.2l8.1-4.2l8.1-4.1L30.4,2.2z' // jshint ignore:line\n\n      },\n      // `line`, `bar`, `stack`, `tiled`\n      title: ecModel.getLocale(['toolbox', 'magicType', 'title']),\n      option: {},\n      seriesIndex: {}\n    };\n    return defaultOption;\n  };\n\n  MagicType.prototype.onclick = function (ecModel, api, type) {\n    var model = this.model;\n    var seriesIndex = model.get(['seriesIndex', type]); // Not supported magicType\n\n    if (!seriesOptGenreator[type]) {\n      return;\n    }\n\n    var newOption = {\n      series: []\n    };\n\n    var generateNewSeriesTypes = function (seriesModel) {\n      var seriesType = seriesModel.subType;\n      var seriesId = seriesModel.id;\n      var newSeriesOpt = seriesOptGenreator[type](seriesType, seriesId, seriesModel, model);\n\n      if (newSeriesOpt) {\n        // PENDING If merge original option?\n        zrUtil.defaults(newSeriesOpt, seriesModel.option);\n        newOption.series.push(newSeriesOpt);\n      } // Modify boundaryGap\n\n\n      var coordSys = seriesModel.coordinateSystem;\n\n      if (coordSys && coordSys.type === 'cartesian2d' && (type === 'line' || type === 'bar')) {\n        var categoryAxis = coordSys.getAxesByScale('ordinal')[0];\n\n        if (categoryAxis) {\n          var axisDim = categoryAxis.dim;\n          var axisType = axisDim + 'Axis';\n          var axisModel = seriesModel.getReferringComponents(axisType, SINGLE_REFERRING).models[0];\n          var axisIndex = axisModel.componentIndex;\n          newOption[axisType] = newOption[axisType] || [];\n\n          for (var i = 0; i <= axisIndex; i++) {\n            newOption[axisType][axisIndex] = newOption[axisType][axisIndex] || {};\n          }\n\n          newOption[axisType][axisIndex].boundaryGap = type === 'bar';\n        }\n      }\n    };\n\n    zrUtil.each(radioTypes, function (radio) {\n      if (zrUtil.indexOf(radio, type) >= 0) {\n        zrUtil.each(radio, function (item) {\n          model.setIconStatus(item, 'normal');\n        });\n      }\n    });\n    model.setIconStatus(type, 'emphasis');\n    ecModel.eachComponent({\n      mainType: 'series',\n      query: seriesIndex == null ? null : {\n        seriesIndex: seriesIndex\n      }\n    }, generateNewSeriesTypes);\n    var newTitle; // Change title of stack\n\n    if (type === 'stack') {\n      // use titles in model instead of ecModel\n      // as stack and tiled appears in pair, just flip them\n      // no need of checking stack state\n      newTitle = zrUtil.merge({\n        stack: model.option.title.tiled,\n        tiled: model.option.title.stack\n      }, model.option.title);\n    }\n\n    api.dispatchAction({\n      type: 'changeMagicType',\n      currentType: type,\n      newOption: newOption,\n      newTitle: newTitle,\n      featureName: 'magicType'\n    });\n  };\n\n  return MagicType;\n}(ToolboxFeature);\n\nvar seriesOptGenreator = {\n  'line': function (seriesType, seriesId, seriesModel, model) {\n    if (seriesType === 'bar') {\n      return zrUtil.merge({\n        id: seriesId,\n        type: 'line',\n        // Preserve data related option\n        data: seriesModel.get('data'),\n        stack: seriesModel.get('stack'),\n        markPoint: seriesModel.get('markPoint'),\n        markLine: seriesModel.get('markLine')\n      }, model.get(['option', 'line']) || {}, true);\n    }\n  },\n  'bar': function (seriesType, seriesId, seriesModel, model) {\n    if (seriesType === 'line') {\n      return zrUtil.merge({\n        id: seriesId,\n        type: 'bar',\n        // Preserve data related option\n        data: seriesModel.get('data'),\n        stack: seriesModel.get('stack'),\n        markPoint: seriesModel.get('markPoint'),\n        markLine: seriesModel.get('markLine')\n      }, model.get(['option', 'bar']) || {}, true);\n    }\n  },\n  'stack': function (seriesType, seriesId, seriesModel, model) {\n    var isStack = seriesModel.get('stack') === INNER_STACK_KEYWORD;\n\n    if (seriesType === 'line' || seriesType === 'bar') {\n      model.setIconStatus('stack', isStack ? 'normal' : 'emphasis');\n      return zrUtil.merge({\n        id: seriesId,\n        stack: isStack ? '' : INNER_STACK_KEYWORD\n      }, model.get(['option', 'stack']) || {}, true);\n    }\n  }\n}; // TODO: SELF REGISTERED.\n\necharts.registerAction({\n  type: 'changeMagicType',\n  event: 'magicTypeChanged',\n  update: 'prepareAndUpdate'\n}, function (payload, ecModel) {\n  ecModel.mergeOption(payload.newOption);\n});\nexport default MagicType;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as echarts from '../../../core/echarts';\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { ToolboxFeature } from '../featureManager';\nimport { addEventListener } from 'zrender/lib/core/event';\nvar BLOCK_SPLITER = new Array(60).join('-');\nvar ITEM_SPLITER = '\\t';\n/**\n * Group series into two types\n *  1. on category axis, like line, bar\n *  2. others, like scatter, pie\n */\n\nfunction groupSeries(ecModel) {\n  var seriesGroupByCategoryAxis = {};\n  var otherSeries = [];\n  var meta = [];\n  ecModel.eachRawSeries(function (seriesModel) {\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys && (coordSys.type === 'cartesian2d' || coordSys.type === 'polar')) {\n      // TODO: TYPE Consider polar? Include polar may increase unecessary bundle size.\n      var baseAxis = coordSys.getBaseAxis();\n\n      if (baseAxis.type === 'category') {\n        var key = baseAxis.dim + '_' + baseAxis.index;\n\n        if (!seriesGroupByCategoryAxis[key]) {\n          seriesGroupByCategoryAxis[key] = {\n            categoryAxis: baseAxis,\n            valueAxis: coordSys.getOtherAxis(baseAxis),\n            series: []\n          };\n          meta.push({\n            axisDim: baseAxis.dim,\n            axisIndex: baseAxis.index\n          });\n        }\n\n        seriesGroupByCategoryAxis[key].series.push(seriesModel);\n      } else {\n        otherSeries.push(seriesModel);\n      }\n    } else {\n      otherSeries.push(seriesModel);\n    }\n  });\n  return {\n    seriesGroupByCategoryAxis: seriesGroupByCategoryAxis,\n    other: otherSeries,\n    meta: meta\n  };\n}\n/**\n * Assemble content of series on cateogory axis\n * @inner\n */\n\n\nfunction assembleSeriesWithCategoryAxis(groups) {\n  var tables = [];\n  zrUtil.each(groups, function (group, key) {\n    var categoryAxis = group.categoryAxis;\n    var valueAxis = group.valueAxis;\n    var valueAxisDim = valueAxis.dim;\n    var headers = [' '].concat(zrUtil.map(group.series, function (series) {\n      return series.name;\n    })); // @ts-ignore TODO Polar\n\n    var columns = [categoryAxis.model.getCategories()];\n    zrUtil.each(group.series, function (series) {\n      var rawData = series.getRawData();\n      columns.push(series.getRawData().mapArray(rawData.mapDimension(valueAxisDim), function (val) {\n        return val;\n      }));\n    }); // Assemble table content\n\n    var lines = [headers.join(ITEM_SPLITER)];\n\n    for (var i = 0; i < columns[0].length; i++) {\n      var items = [];\n\n      for (var j = 0; j < columns.length; j++) {\n        items.push(columns[j][i]);\n      }\n\n      lines.push(items.join(ITEM_SPLITER));\n    }\n\n    tables.push(lines.join('\\n'));\n  });\n  return tables.join('\\n\\n' + BLOCK_SPLITER + '\\n\\n');\n}\n/**\n * Assemble content of other series\n */\n\n\nfunction assembleOtherSeries(series) {\n  return zrUtil.map(series, function (series) {\n    var data = series.getRawData();\n    var lines = [series.name];\n    var vals = [];\n    data.each(data.dimensions, function () {\n      var argLen = arguments.length;\n      var dataIndex = arguments[argLen - 1];\n      var name = data.getName(dataIndex);\n\n      for (var i = 0; i < argLen - 1; i++) {\n        vals[i] = arguments[i];\n      }\n\n      lines.push((name ? name + ITEM_SPLITER : '') + vals.join(ITEM_SPLITER));\n    });\n    return lines.join('\\n');\n  }).join('\\n\\n' + BLOCK_SPLITER + '\\n\\n');\n}\n\nfunction getContentFromModel(ecModel) {\n  var result = groupSeries(ecModel);\n  return {\n    value: zrUtil.filter([assembleSeriesWithCategoryAxis(result.seriesGroupByCategoryAxis), assembleOtherSeries(result.other)], function (str) {\n      return !!str.replace(/[\\n\\t\\s]/g, '');\n    }).join('\\n\\n' + BLOCK_SPLITER + '\\n\\n'),\n    meta: result.meta\n  };\n}\n\nfunction trim(str) {\n  return str.replace(/^\\s\\s*/, '').replace(/\\s\\s*$/, '');\n}\n/**\n * If a block is tsv format\n */\n\n\nfunction isTSVFormat(block) {\n  // Simple method to find out if a block is tsv format\n  var firstLine = block.slice(0, block.indexOf('\\n'));\n\n  if (firstLine.indexOf(ITEM_SPLITER) >= 0) {\n    return true;\n  }\n}\n\nvar itemSplitRegex = new RegExp('[' + ITEM_SPLITER + ']+', 'g');\n/**\n * @param {string} tsv\n * @return {Object}\n */\n\nfunction parseTSVContents(tsv) {\n  var tsvLines = tsv.split(/\\n+/g);\n  var headers = trim(tsvLines.shift()).split(itemSplitRegex);\n  var categories = [];\n  var series = zrUtil.map(headers, function (header) {\n    return {\n      name: header,\n      data: []\n    };\n  });\n\n  for (var i = 0; i < tsvLines.length; i++) {\n    var items = trim(tsvLines[i]).split(itemSplitRegex);\n    categories.push(items.shift());\n\n    for (var j = 0; j < items.length; j++) {\n      series[j] && (series[j].data[i] = items[j]);\n    }\n  }\n\n  return {\n    series: series,\n    categories: categories\n  };\n}\n\nfunction parseListContents(str) {\n  var lines = str.split(/\\n+/g);\n  var seriesName = trim(lines.shift());\n  var data = [];\n\n  for (var i = 0; i < lines.length; i++) {\n    // if line is empty, ignore it.\n    // there is a case that a user forgot to delete `\\n`.\n    var line = trim(lines[i]);\n\n    if (!line) {\n      continue;\n    }\n\n    var items = line.split(itemSplitRegex);\n    var name_1 = '';\n    var value = void 0;\n    var hasName = false;\n\n    if (isNaN(items[0])) {\n      // First item is name\n      hasName = true;\n      name_1 = items[0];\n      items = items.slice(1);\n      data[i] = {\n        name: name_1,\n        value: []\n      };\n      value = data[i].value;\n    } else {\n      value = data[i] = [];\n    }\n\n    for (var j = 0; j < items.length; j++) {\n      value.push(+items[j]);\n    }\n\n    if (value.length === 1) {\n      hasName ? data[i].value = value[0] : data[i] = value[0];\n    }\n  }\n\n  return {\n    name: seriesName,\n    data: data\n  };\n}\n\nfunction parseContents(str, blockMetaList) {\n  var blocks = str.split(new RegExp('\\n*' + BLOCK_SPLITER + '\\n*', 'g'));\n  var newOption = {\n    series: []\n  };\n  zrUtil.each(blocks, function (block, idx) {\n    if (isTSVFormat(block)) {\n      var result = parseTSVContents(block);\n      var blockMeta = blockMetaList[idx];\n      var axisKey = blockMeta.axisDim + 'Axis';\n\n      if (blockMeta) {\n        newOption[axisKey] = newOption[axisKey] || [];\n        newOption[axisKey][blockMeta.axisIndex] = {\n          data: result.categories\n        };\n        newOption.series = newOption.series.concat(result.series);\n      }\n    } else {\n      var result = parseListContents(block);\n      newOption.series.push(result);\n    }\n  });\n  return newOption;\n}\n\nvar DataView =\n/** @class */\nfunction (_super) {\n  __extends(DataView, _super);\n\n  function DataView() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  DataView.prototype.onclick = function (ecModel, api) {\n    var container = api.getDom();\n    var model = this.model;\n\n    if (this._dom) {\n      container.removeChild(this._dom);\n    }\n\n    var root = document.createElement('div');\n    root.style.cssText = 'position:absolute;left:5px;top:5px;bottom:5px;right:5px;';\n    root.style.backgroundColor = model.get('backgroundColor') || '#fff'; // Create elements\n\n    var header = document.createElement('h4');\n    var lang = model.get('lang') || [];\n    header.innerHTML = lang[0] || model.get('title');\n    header.style.cssText = 'margin: 10px 20px;';\n    header.style.color = model.get('textColor');\n    var viewMain = document.createElement('div');\n    var textarea = document.createElement('textarea');\n    viewMain.style.cssText = 'display:block;width:100%;overflow:auto;';\n    var optionToContent = model.get('optionToContent');\n    var contentToOption = model.get('contentToOption');\n    var result = getContentFromModel(ecModel);\n\n    if (typeof optionToContent === 'function') {\n      var htmlOrDom = optionToContent(api.getOption());\n\n      if (typeof htmlOrDom === 'string') {\n        viewMain.innerHTML = htmlOrDom;\n      } else if (zrUtil.isDom(htmlOrDom)) {\n        viewMain.appendChild(htmlOrDom);\n      }\n    } else {\n      // Use default textarea\n      viewMain.appendChild(textarea);\n      textarea.readOnly = model.get('readOnly');\n      textarea.style.cssText = 'width:100%;height:100%;font-family:monospace;font-size:14px;line-height:1.6rem;';\n      textarea.style.color = model.get('textColor');\n      textarea.style.borderColor = model.get('textareaBorderColor');\n      textarea.style.backgroundColor = model.get('textareaColor');\n      textarea.value = result.value;\n    }\n\n    var blockMetaList = result.meta;\n    var buttonContainer = document.createElement('div');\n    buttonContainer.style.cssText = 'position:absolute;bottom:0;left:0;right:0;';\n    var buttonStyle = 'float:right;margin-right:20px;border:none;' + 'cursor:pointer;padding:2px 5px;font-size:12px;border-radius:3px';\n    var closeButton = document.createElement('div');\n    var refreshButton = document.createElement('div');\n    buttonStyle += ';background-color:' + model.get('buttonColor');\n    buttonStyle += ';color:' + model.get('buttonTextColor');\n    var self = this;\n\n    function close() {\n      container.removeChild(root);\n      self._dom = null;\n    }\n\n    addEventListener(closeButton, 'click', close);\n    addEventListener(refreshButton, 'click', function () {\n      if (contentToOption == null && optionToContent != null || contentToOption != null && optionToContent == null) {\n        if (process.env.NODE_ENV !== 'production') {\n          // eslint-disable-next-line\n          console.warn('It seems you have just provided one of `contentToOption` and `optionToContent` functions but missed the other one. Data change is ignored.');\n        }\n\n        close();\n        return;\n      }\n\n      var newOption;\n\n      try {\n        if (typeof contentToOption === 'function') {\n          newOption = contentToOption(viewMain, api.getOption());\n        } else {\n          newOption = parseContents(textarea.value, blockMetaList);\n        }\n      } catch (e) {\n        close();\n        throw new Error('Data view format error ' + e);\n      }\n\n      if (newOption) {\n        api.dispatchAction({\n          type: 'changeDataView',\n          newOption: newOption\n        });\n      }\n\n      close();\n    });\n    closeButton.innerHTML = lang[1];\n    refreshButton.innerHTML = lang[2];\n    refreshButton.style.cssText = buttonStyle;\n    closeButton.style.cssText = buttonStyle;\n    !model.get('readOnly') && buttonContainer.appendChild(refreshButton);\n    buttonContainer.appendChild(closeButton);\n    root.appendChild(header);\n    root.appendChild(viewMain);\n    root.appendChild(buttonContainer);\n    viewMain.style.height = container.clientHeight - 80 + 'px';\n    container.appendChild(root);\n    this._dom = root;\n  };\n\n  DataView.prototype.remove = function (ecModel, api) {\n    this._dom && api.getDom().removeChild(this._dom);\n  };\n\n  DataView.prototype.dispose = function (ecModel, api) {\n    this.remove(ecModel, api);\n  };\n\n  DataView.getDefaultOption = function (ecModel) {\n    var defaultOption = {\n      show: true,\n      readOnly: false,\n      optionToContent: null,\n      contentToOption: null,\n      // eslint-disable-next-line\n      icon: 'M17.5,17.3H33 M17.5,17.3H33 M45.4,29.5h-28 M11.5,2v56H51V14.8L38.4,2H11.5z M38.4,2.2v12.7H51 M45.4,41.7h-28',\n      title: ecModel.getLocale(['toolbox', 'dataView', 'title']),\n      lang: ecModel.getLocale(['toolbox', 'dataView', 'lang']),\n      backgroundColor: '#fff',\n      textColor: '#000',\n      textareaColor: '#fff',\n      textareaBorderColor: '#333',\n      buttonColor: '#c23531',\n      buttonTextColor: '#fff'\n    };\n    return defaultOption;\n  };\n\n  return DataView;\n}(ToolboxFeature);\n/**\n * @inner\n */\n\n\nfunction tryMergeDataOption(newData, originalData) {\n  return zrUtil.map(newData, function (newVal, idx) {\n    var original = originalData && originalData[idx];\n\n    if (zrUtil.isObject(original) && !zrUtil.isArray(original)) {\n      var newValIsObject = zrUtil.isObject(newVal) && !zrUtil.isArray(newVal);\n\n      if (!newValIsObject) {\n        newVal = {\n          value: newVal\n        };\n      } // original data has name but new data has no name\n\n\n      var shouldDeleteName = original.name != null && newVal.name == null; // Original data has option\n\n      newVal = zrUtil.defaults(newVal, original);\n      shouldDeleteName && delete newVal.name;\n      return newVal;\n    } else {\n      return newVal;\n    }\n  });\n} // TODO: SELF REGISTERED.\n\n\necharts.registerAction({\n  type: 'changeDataView',\n  event: 'dataViewChanged',\n  update: 'prepareAndUpdate'\n}, function (payload, ecModel) {\n  var newSeriesOptList = [];\n  zrUtil.each(payload.newOption.series, function (seriesOpt) {\n    var seriesModel = ecModel.getSeriesByName(seriesOpt.name)[0];\n\n    if (!seriesModel) {\n      // New created series\n      // Geuss the series type\n      newSeriesOptList.push(zrUtil.extend({\n        // Default is scatter\n        type: 'scatter'\n      }, seriesOpt));\n    } else {\n      var originalData = seriesModel.get('data');\n      newSeriesOptList.push({\n        name: seriesOpt.name,\n        data: tryMergeDataOption(seriesOpt.data, originalData)\n      });\n    }\n  });\n  ecModel.mergeOption(zrUtil.defaults({\n    series: newSeriesOptList\n  }, payload.newOption));\n});\nexport default DataView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { makeInner } from '../../util/model';\nvar each = zrUtil.each;\nvar inner = makeInner();\n/**\n * @param ecModel\n * @param newSnapshot key is dataZoomId\n */\n\nexport function push(ecModel, newSnapshot) {\n  var storedSnapshots = getStoreSnapshots(ecModel); // If previous dataZoom can not be found,\n  // complete an range with current range.\n\n  each(newSnapshot, function (batchItem, dataZoomId) {\n    var i = storedSnapshots.length - 1;\n\n    for (; i >= 0; i--) {\n      var snapshot = storedSnapshots[i];\n\n      if (snapshot[dataZoomId]) {\n        break;\n      }\n    }\n\n    if (i < 0) {\n      // No origin range set, create one by current range.\n      var dataZoomModel = ecModel.queryComponents({\n        mainType: 'dataZoom',\n        subType: 'select',\n        id: dataZoomId\n      })[0];\n\n      if (dataZoomModel) {\n        var percentRange = dataZoomModel.getPercentRange();\n        storedSnapshots[0][dataZoomId] = {\n          dataZoomId: dataZoomId,\n          start: percentRange[0],\n          end: percentRange[1]\n        };\n      }\n    }\n  });\n  storedSnapshots.push(newSnapshot);\n}\nexport function pop(ecModel) {\n  var storedSnapshots = getStoreSnapshots(ecModel);\n  var head = storedSnapshots[storedSnapshots.length - 1];\n  storedSnapshots.length > 1 && storedSnapshots.pop(); // Find top for all dataZoom.\n\n  var snapshot = {};\n  each(head, function (batchItem, dataZoomId) {\n    for (var i = storedSnapshots.length - 1; i >= 0; i--) {\n      batchItem = storedSnapshots[i][dataZoomId];\n\n      if (batchItem) {\n        snapshot[dataZoomId] = batchItem;\n        break;\n      }\n    }\n  });\n  return snapshot;\n}\nexport function clear(ecModel) {\n  inner(ecModel).snapshots = null;\n}\nexport function count(ecModel) {\n  return getStoreSnapshots(ecModel).length;\n}\n/**\n * History length of each dataZoom may be different.\n * this._history[0] is used to store origin range.\n */\n\nfunction getStoreSnapshots(ecModel) {\n  var store = inner(ecModel);\n\n  if (!store.snapshots) {\n    store.snapshots = [{}];\n  }\n\n  return store.snapshots;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as echarts from '../../../core/echarts';\nimport * as history from '../../dataZoom/history';\nimport { ToolboxFeature } from '../featureManager';\n\nvar RestoreOption =\n/** @class */\nfunction (_super) {\n  __extends(RestoreOption, _super);\n\n  function RestoreOption() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  RestoreOption.prototype.onclick = function (ecModel, api) {\n    history.clear(ecModel);\n    api.dispatchAction({\n      type: 'restore',\n      from: this.uid\n    });\n  };\n\n  RestoreOption.getDefaultOption = function (ecModel) {\n    var defaultOption = {\n      show: true,\n      // eslint-disable-next-line\n      icon: 'M3.8,33.4 M47,18.9h9.8V8.7 M56.3,20.1 C52.1,9,40.5,0.6,26.8,2.1C12.6,3.7,1.6,16.2,2.1,30.6 M13,41.1H3.1v10.2 M3.7,39.9c4.2,11.1,15.8,19.5,29.5,18 c14.2-1.6,25.2-14.1,24.7-28.5',\n      title: ecModel.getLocale(['toolbox', 'restore', 'title'])\n    };\n    return defaultOption;\n  };\n\n  return RestoreOption;\n}(ToolboxFeature); // TODO: SELF REGISTERED.\n\n\necharts.registerAction({\n  type: 'restore',\n  event: 'restore',\n  update: 'prepareAndUpdate'\n}, function (payload, ecModel) {\n  ecModel.resetOption('recreate');\n});\nexport default RestoreOption;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { each, indexOf, curry, assert, map, createHashMap } from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport * as brushHelper from './brushHelper';\nimport { parseFinder as modelUtilParseFinder } from '../../util/model';\nvar COORD_CONVERTS = ['dataToPoint', 'pointToData']; // FIXME\n// how to genarialize to more coordinate systems.\n\nvar INCLUDE_FINDER_MAIN_TYPES = ['grid', 'xAxis', 'yAxis', 'geo', 'graph', 'polar', 'radiusAxis', 'angleAxis', 'bmap'];\n\nvar BrushTargetManager =\n/** @class */\nfunction () {\n  /**\n   * @param finder contains Index/Id/Name of xAxis/yAxis/geo/grid\n   *        Each can be {number|Array.<number>}. like: {xAxisIndex: [3, 4]}\n   * @param opt.include include coordinate system types.\n   */\n  function BrushTargetManager(finder, ecModel, opt) {\n    var _this = this;\n\n    this._targetInfoList = [];\n    var foundCpts = parseFinder(ecModel, finder);\n    each(targetInfoBuilders, function (builder, type) {\n      if (!opt || !opt.include || indexOf(opt.include, type) >= 0) {\n        builder(foundCpts, _this._targetInfoList);\n      }\n    });\n  }\n\n  BrushTargetManager.prototype.setOutputRanges = function (areas, ecModel) {\n    this.matchOutputRanges(areas, ecModel, function (area, coordRange, coordSys) {\n      (area.coordRanges || (area.coordRanges = [])).push(coordRange); // area.coordRange is the first of area.coordRanges\n\n      if (!area.coordRange) {\n        area.coordRange = coordRange; // In 'category' axis, coord to pixel is not reversible, so we can not\n        // rebuild range by coordRange accrately, which may bring trouble when\n        // brushing only one item. So we use __rangeOffset to rebuilding range\n        // by coordRange. And this it only used in brush component so it is no\n        // need to be adapted to coordRanges.\n\n        var result = coordConvert[area.brushType](0, coordSys, coordRange);\n        area.__rangeOffset = {\n          offset: diffProcessor[area.brushType](result.values, area.range, [1, 1]),\n          xyMinMax: result.xyMinMax\n        };\n      }\n    });\n    return areas;\n  };\n\n  BrushTargetManager.prototype.matchOutputRanges = function (areas, ecModel, cb) {\n    each(areas, function (area) {\n      var targetInfo = this.findTargetInfo(area, ecModel);\n\n      if (targetInfo && targetInfo !== true) {\n        each(targetInfo.coordSyses, function (coordSys) {\n          var result = coordConvert[area.brushType](1, coordSys, area.range);\n          cb(area, result.values, coordSys, ecModel);\n        });\n      }\n    }, this);\n  };\n  /**\n   * the `areas` is `BrushModel.areas`.\n   * Called in layout stage.\n   * convert `area.coordRange` to global range and set panelId to `area.range`.\n   */\n\n\n  BrushTargetManager.prototype.setInputRanges = function (areas, ecModel) {\n    each(areas, function (area) {\n      var targetInfo = this.findTargetInfo(area, ecModel);\n\n      if (process.env.NODE_ENV !== 'production') {\n        assert(!targetInfo || targetInfo === true || area.coordRange, 'coordRange must be specified when coord index specified.');\n        assert(!targetInfo || targetInfo !== true || area.range, 'range must be specified in global brush.');\n      }\n\n      area.range = area.range || []; // convert coordRange to global range and set panelId.\n\n      if (targetInfo && targetInfo !== true) {\n        area.panelId = targetInfo.panelId; // (1) area.range shoule always be calculate from coordRange but does\n        // not keep its original value, for the sake of the dataZoom scenario,\n        // where area.coordRange remains unchanged but area.range may be changed.\n        // (2) Only support converting one coordRange to pixel range in brush\n        // component. So do not consider `coordRanges`.\n        // (3) About __rangeOffset, see comment above.\n\n        var result = coordConvert[area.brushType](0, targetInfo.coordSys, area.coordRange);\n        var rangeOffset = area.__rangeOffset;\n        area.range = rangeOffset ? diffProcessor[area.brushType](result.values, rangeOffset.offset, getScales(result.xyMinMax, rangeOffset.xyMinMax)) : result.values;\n      }\n    }, this);\n  };\n\n  BrushTargetManager.prototype.makePanelOpts = function (api, getDefaultBrushType) {\n    return map(this._targetInfoList, function (targetInfo) {\n      var rect = targetInfo.getPanelRect();\n      return {\n        panelId: targetInfo.panelId,\n        defaultBrushType: getDefaultBrushType ? getDefaultBrushType(targetInfo) : null,\n        clipPath: brushHelper.makeRectPanelClipPath(rect),\n        isTargetByCursor: brushHelper.makeRectIsTargetByCursor(rect, api, targetInfo.coordSysModel),\n        getLinearBrushOtherExtent: brushHelper.makeLinearBrushOtherExtent(rect)\n      };\n    });\n  };\n\n  BrushTargetManager.prototype.controlSeries = function (area, seriesModel, ecModel) {\n    // Check whether area is bound in coord, and series do not belong to that coord.\n    // If do not do this check, some brush (like lineX) will controll all axes.\n    var targetInfo = this.findTargetInfo(area, ecModel);\n    return targetInfo === true || targetInfo && indexOf(targetInfo.coordSyses, seriesModel.coordinateSystem) >= 0;\n  };\n  /**\n   * If return Object, a coord found.\n   * If reutrn true, global found.\n   * Otherwise nothing found.\n   */\n\n\n  BrushTargetManager.prototype.findTargetInfo = function (area, ecModel) {\n    var targetInfoList = this._targetInfoList;\n    var foundCpts = parseFinder(ecModel, area);\n\n    for (var i = 0; i < targetInfoList.length; i++) {\n      var targetInfo = targetInfoList[i];\n      var areaPanelId = area.panelId;\n\n      if (areaPanelId) {\n        if (targetInfo.panelId === areaPanelId) {\n          return targetInfo;\n        }\n      } else {\n        for (var j = 0; j < targetInfoMatchers.length; j++) {\n          if (targetInfoMatchers[j](foundCpts, targetInfo)) {\n            return targetInfo;\n          }\n        }\n      }\n    }\n\n    return true;\n  };\n\n  return BrushTargetManager;\n}();\n\nfunction formatMinMax(minMax) {\n  minMax[0] > minMax[1] && minMax.reverse();\n  return minMax;\n}\n\nfunction parseFinder(ecModel, finder) {\n  return modelUtilParseFinder(ecModel, finder, {\n    includeMainTypes: INCLUDE_FINDER_MAIN_TYPES\n  });\n}\n\nvar targetInfoBuilders = {\n  grid: function (foundCpts, targetInfoList) {\n    var xAxisModels = foundCpts.xAxisModels;\n    var yAxisModels = foundCpts.yAxisModels;\n    var gridModels = foundCpts.gridModels; // Remove duplicated.\n\n    var gridModelMap = createHashMap();\n    var xAxesHas = {};\n    var yAxesHas = {};\n\n    if (!xAxisModels && !yAxisModels && !gridModels) {\n      return;\n    }\n\n    each(xAxisModels, function (axisModel) {\n      var gridModel = axisModel.axis.grid.model;\n      gridModelMap.set(gridModel.id, gridModel);\n      xAxesHas[gridModel.id] = true;\n    });\n    each(yAxisModels, function (axisModel) {\n      var gridModel = axisModel.axis.grid.model;\n      gridModelMap.set(gridModel.id, gridModel);\n      yAxesHas[gridModel.id] = true;\n    });\n    each(gridModels, function (gridModel) {\n      gridModelMap.set(gridModel.id, gridModel);\n      xAxesHas[gridModel.id] = true;\n      yAxesHas[gridModel.id] = true;\n    });\n    gridModelMap.each(function (gridModel) {\n      var grid = gridModel.coordinateSystem;\n      var cartesians = [];\n      each(grid.getCartesians(), function (cartesian, index) {\n        if (indexOf(xAxisModels, cartesian.getAxis('x').model) >= 0 || indexOf(yAxisModels, cartesian.getAxis('y').model) >= 0) {\n          cartesians.push(cartesian);\n        }\n      });\n      targetInfoList.push({\n        panelId: 'grid--' + gridModel.id,\n        gridModel: gridModel,\n        coordSysModel: gridModel,\n        // Use the first one as the representitive coordSys.\n        coordSys: cartesians[0],\n        coordSyses: cartesians,\n        getPanelRect: panelRectBuilders.grid,\n        xAxisDeclared: xAxesHas[gridModel.id],\n        yAxisDeclared: yAxesHas[gridModel.id]\n      });\n    });\n  },\n  geo: function (foundCpts, targetInfoList) {\n    each(foundCpts.geoModels, function (geoModel) {\n      var coordSys = geoModel.coordinateSystem;\n      targetInfoList.push({\n        panelId: 'geo--' + geoModel.id,\n        geoModel: geoModel,\n        coordSysModel: geoModel,\n        coordSys: coordSys,\n        coordSyses: [coordSys],\n        getPanelRect: panelRectBuilders.geo\n      });\n    });\n  }\n};\nvar targetInfoMatchers = [// grid\nfunction (foundCpts, targetInfo) {\n  var xAxisModel = foundCpts.xAxisModel;\n  var yAxisModel = foundCpts.yAxisModel;\n  var gridModel = foundCpts.gridModel;\n  !gridModel && xAxisModel && (gridModel = xAxisModel.axis.grid.model);\n  !gridModel && yAxisModel && (gridModel = yAxisModel.axis.grid.model);\n  return gridModel && gridModel === targetInfo.gridModel;\n}, // geo\nfunction (foundCpts, targetInfo) {\n  var geoModel = foundCpts.geoModel;\n  return geoModel && geoModel === targetInfo.geoModel;\n}];\nvar panelRectBuilders = {\n  grid: function () {\n    // grid is not Transformable.\n    return this.coordSys.master.getRect().clone();\n  },\n  geo: function () {\n    var coordSys = this.coordSys;\n    var rect = coordSys.getBoundingRect().clone(); // geo roam and zoom transform\n\n    rect.applyTransform(graphic.getTransform(coordSys));\n    return rect;\n  }\n};\nvar coordConvert = {\n  lineX: curry(axisConvert, 0),\n  lineY: curry(axisConvert, 1),\n  rect: function (to, coordSys, rangeOrCoordRange) {\n    var xminymin = coordSys[COORD_CONVERTS[to]]([rangeOrCoordRange[0][0], rangeOrCoordRange[1][0]]);\n    var xmaxymax = coordSys[COORD_CONVERTS[to]]([rangeOrCoordRange[0][1], rangeOrCoordRange[1][1]]);\n    var values = [formatMinMax([xminymin[0], xmaxymax[0]]), formatMinMax([xminymin[1], xmaxymax[1]])];\n    return {\n      values: values,\n      xyMinMax: values\n    };\n  },\n  polygon: function (to, coordSys, rangeOrCoordRange) {\n    var xyMinMax = [[Infinity, -Infinity], [Infinity, -Infinity]];\n    var values = map(rangeOrCoordRange, function (item) {\n      var p = coordSys[COORD_CONVERTS[to]](item);\n      xyMinMax[0][0] = Math.min(xyMinMax[0][0], p[0]);\n      xyMinMax[1][0] = Math.min(xyMinMax[1][0], p[1]);\n      xyMinMax[0][1] = Math.max(xyMinMax[0][1], p[0]);\n      xyMinMax[1][1] = Math.max(xyMinMax[1][1], p[1]);\n      return p;\n    });\n    return {\n      values: values,\n      xyMinMax: xyMinMax\n    };\n  }\n};\n\nfunction axisConvert(axisNameIndex, to, coordSys, rangeOrCoordRange) {\n  if (process.env.NODE_ENV !== 'production') {\n    assert(coordSys.type === 'cartesian2d', 'lineX/lineY brush is available only in cartesian2d.');\n  }\n\n  var axis = coordSys.getAxis(['x', 'y'][axisNameIndex]);\n  var values = formatMinMax(map([0, 1], function (i) {\n    return to ? axis.coordToData(axis.toLocalCoord(rangeOrCoordRange[i])) : axis.toGlobalCoord(axis.dataToCoord(rangeOrCoordRange[i]));\n  }));\n  var xyMinMax = [];\n  xyMinMax[axisNameIndex] = values;\n  xyMinMax[1 - axisNameIndex] = [NaN, NaN];\n  return {\n    values: values,\n    xyMinMax: xyMinMax\n  };\n}\n\nvar diffProcessor = {\n  lineX: curry(axisDiffProcessor, 0),\n  lineY: curry(axisDiffProcessor, 1),\n  rect: function (values, refer, scales) {\n    return [[values[0][0] - scales[0] * refer[0][0], values[0][1] - scales[0] * refer[0][1]], [values[1][0] - scales[1] * refer[1][0], values[1][1] - scales[1] * refer[1][1]]];\n  },\n  polygon: function (values, refer, scales) {\n    return map(values, function (item, idx) {\n      return [item[0] - scales[0] * refer[idx][0], item[1] - scales[1] * refer[idx][1]];\n    });\n  }\n};\n\nfunction axisDiffProcessor(axisNameIndex, values, refer, scales) {\n  return [values[0] - scales[axisNameIndex] * refer[0], values[1] - scales[axisNameIndex] * refer[1]];\n} // We have to process scale caused by dataZoom manually,\n// although it might be not accurate.\n// Return [0~1, 0~1]\n\n\nfunction getScales(xyMinMaxCurr, xyMinMaxOrigin) {\n  var sizeCurr = getSize(xyMinMaxCurr);\n  var sizeOrigin = getSize(xyMinMaxOrigin);\n  var scales = [sizeCurr[0] / sizeOrigin[0], sizeCurr[1] / sizeOrigin[1]];\n  isNaN(scales[0]) && (scales[0] = 1);\n  isNaN(scales[1]) && (scales[1] = 1);\n  return scales;\n}\n\nfunction getSize(xyMinMax) {\n  return xyMinMax ? [xyMinMax[0][1] - xyMinMax[0][0], xyMinMax[1][1] - xyMinMax[1][0]] : [NaN, NaN];\n}\n\nexport default BrushTargetManager;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\"; // TODO depends on DataZoom and Brush\n\nimport * as zrUtil from 'zrender/lib/core/util';\nimport BrushController from '../../helper/BrushController';\nimport BrushTargetManager from '../../helper/BrushTargetManager';\nimport * as history from '../../dataZoom/history';\nimport sliderMove from '../../helper/sliderMove';\nimport { ToolboxFeature } from '../featureManager';\nimport { makeInternalComponentId, parseFinder } from '../../../util/model';\nimport { registerInternalOptionCreator } from '../../../model/internalComponentCreator';\nvar each = zrUtil.each;\nvar DATA_ZOOM_ID_BASE = makeInternalComponentId('toolbox-dataZoom_');\nvar ICON_TYPES = ['zoom', 'back'];\n\nvar DataZoomFeature =\n/** @class */\nfunction (_super) {\n  __extends(DataZoomFeature, _super);\n\n  function DataZoomFeature() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  DataZoomFeature.prototype.render = function (featureModel, ecModel, api, payload) {\n    if (!this._brushController) {\n      this._brushController = new BrushController(api.getZr());\n\n      this._brushController.on('brush', zrUtil.bind(this._onBrush, this)).mount();\n    }\n\n    updateZoomBtnStatus(featureModel, ecModel, this, payload, api);\n    updateBackBtnStatus(featureModel, ecModel);\n  };\n\n  DataZoomFeature.prototype.onclick = function (ecModel, api, type) {\n    handlers[type].call(this);\n  };\n\n  DataZoomFeature.prototype.remove = function (ecModel, api) {\n    this._brushController && this._brushController.unmount();\n  };\n\n  DataZoomFeature.prototype.dispose = function (ecModel, api) {\n    this._brushController && this._brushController.dispose();\n  };\n\n  DataZoomFeature.prototype._onBrush = function (eventParam) {\n    var areas = eventParam.areas;\n\n    if (!eventParam.isEnd || !areas.length) {\n      return;\n    }\n\n    var snapshot = {};\n    var ecModel = this.ecModel;\n\n    this._brushController.updateCovers([]); // remove cover\n\n\n    var brushTargetManager = new BrushTargetManager(makeAxisFinder(this.model), ecModel, {\n      include: ['grid']\n    });\n    brushTargetManager.matchOutputRanges(areas, ecModel, function (area, coordRange, coordSys) {\n      if (coordSys.type !== 'cartesian2d') {\n        return;\n      }\n\n      var brushType = area.brushType;\n\n      if (brushType === 'rect') {\n        setBatch('x', coordSys, coordRange[0]);\n        setBatch('y', coordSys, coordRange[1]);\n      } else {\n        setBatch({\n          lineX: 'x',\n          lineY: 'y'\n        }[brushType], coordSys, coordRange);\n      }\n    });\n    history.push(ecModel, snapshot);\n\n    this._dispatchZoomAction(snapshot);\n\n    function setBatch(dimName, coordSys, minMax) {\n      var axis = coordSys.getAxis(dimName);\n      var axisModel = axis.model;\n      var dataZoomModel = findDataZoom(dimName, axisModel, ecModel); // Restrict range.\n\n      var minMaxSpan = dataZoomModel.findRepresentativeAxisProxy(axisModel).getMinMaxSpan();\n\n      if (minMaxSpan.minValueSpan != null || minMaxSpan.maxValueSpan != null) {\n        minMax = sliderMove(0, minMax.slice(), axis.scale.getExtent(), 0, minMaxSpan.minValueSpan, minMaxSpan.maxValueSpan);\n      }\n\n      dataZoomModel && (snapshot[dataZoomModel.id] = {\n        dataZoomId: dataZoomModel.id,\n        startValue: minMax[0],\n        endValue: minMax[1]\n      });\n    }\n\n    function findDataZoom(dimName, axisModel, ecModel) {\n      var found;\n      ecModel.eachComponent({\n        mainType: 'dataZoom',\n        subType: 'select'\n      }, function (dzModel) {\n        var has = dzModel.getAxisModel(dimName, axisModel.componentIndex);\n        has && (found = dzModel);\n      });\n      return found;\n    }\n  };\n\n  ;\n\n  DataZoomFeature.prototype._dispatchZoomAction = function (snapshot) {\n    var batch = []; // Convert from hash map to array.\n\n    each(snapshot, function (batchItem, dataZoomId) {\n      batch.push(zrUtil.clone(batchItem));\n    });\n    batch.length && this.api.dispatchAction({\n      type: 'dataZoom',\n      from: this.uid,\n      batch: batch\n    });\n  };\n\n  DataZoomFeature.getDefaultOption = function (ecModel) {\n    var defaultOption = {\n      show: true,\n      filterMode: 'filter',\n      // Icon group\n      icon: {\n        zoom: 'M0,13.5h26.9 M13.5,26.9V0 M32.1,13.5H58V58H13.5 V32.1',\n        back: 'M22,1.4L9.9,13.5l12.3,12.3 M10.3,13.5H54.9v44.6 H10.3v-26'\n      },\n      // `zoom`, `back`\n      title: ecModel.getLocale(['toolbox', 'dataZoom', 'title']),\n      brushStyle: {\n        borderWidth: 0,\n        color: 'rgba(210,219,238,0.2)'\n      }\n    };\n    return defaultOption;\n  };\n\n  return DataZoomFeature;\n}(ToolboxFeature);\n\nvar handlers = {\n  zoom: function () {\n    var nextActive = !this._isZoomActive;\n    this.api.dispatchAction({\n      type: 'takeGlobalCursor',\n      key: 'dataZoomSelect',\n      dataZoomSelectActive: nextActive\n    });\n  },\n  back: function () {\n    this._dispatchZoomAction(history.pop(this.ecModel));\n  }\n};\n\nfunction makeAxisFinder(dzFeatureModel) {\n  var setting = {\n    xAxisIndex: dzFeatureModel.get('xAxisIndex', true),\n    yAxisIndex: dzFeatureModel.get('yAxisIndex', true),\n    xAxisId: dzFeatureModel.get('xAxisId', true),\n    yAxisId: dzFeatureModel.get('yAxisId', true)\n  }; // If both `xAxisIndex` `xAxisId` not set, it means 'all'.\n  // If both `yAxisIndex` `yAxisId` not set, it means 'all'.\n  // Some old cases set like this below to close yAxis control but leave xAxis control:\n  // `{ feature: { dataZoom: { yAxisIndex: false } }`.\n\n  if (setting.xAxisIndex == null && setting.xAxisId == null) {\n    setting.xAxisIndex = 'all';\n  }\n\n  if (setting.yAxisIndex == null && setting.yAxisId == null) {\n    setting.yAxisIndex = 'all';\n  }\n\n  return setting;\n}\n\nfunction updateBackBtnStatus(featureModel, ecModel) {\n  featureModel.setIconStatus('back', history.count(ecModel) > 1 ? 'emphasis' : 'normal');\n}\n\nfunction updateZoomBtnStatus(featureModel, ecModel, view, payload, api) {\n  var zoomActive = view._isZoomActive;\n\n  if (payload && payload.type === 'takeGlobalCursor') {\n    zoomActive = payload.key === 'dataZoomSelect' ? payload.dataZoomSelectActive : false;\n  }\n\n  view._isZoomActive = zoomActive;\n  featureModel.setIconStatus('zoom', zoomActive ? 'emphasis' : 'normal');\n  var brushTargetManager = new BrushTargetManager(makeAxisFinder(featureModel), ecModel, {\n    include: ['grid']\n  });\n  var panels = brushTargetManager.makePanelOpts(api, function (targetInfo) {\n    return targetInfo.xAxisDeclared && !targetInfo.yAxisDeclared ? 'lineX' : !targetInfo.xAxisDeclared && targetInfo.yAxisDeclared ? 'lineY' : 'rect';\n  });\n\n  view._brushController.setPanels(panels).enableBrush(zoomActive && panels.length ? {\n    brushType: 'auto',\n    brushStyle: featureModel.getModel('brushStyle').getItemStyle()\n  } : false);\n}\n\nregisterInternalOptionCreator('dataZoom', function (ecModel) {\n  var toolboxModel = ecModel.getComponent('toolbox', 0);\n\n  if (!toolboxModel) {\n    return;\n  }\n\n  var dzFeatureModel = toolboxModel.getModel(['feature', 'dataZoom']);\n  var dzOptions = [];\n  var finder = makeAxisFinder(dzFeatureModel);\n  var finderResult = parseFinder(ecModel, finder);\n  each(finderResult.xAxisModels, function (axisModel) {\n    return buildInternalOptions(axisModel, 'xAxis', 'xAxisIndex');\n  });\n  each(finderResult.yAxisModels, function (axisModel) {\n    return buildInternalOptions(axisModel, 'yAxis', 'yAxisIndex');\n  });\n\n  function buildInternalOptions(axisModel, axisMainType, axisIndexPropName) {\n    var axisIndex = axisModel.componentIndex;\n    var newOpt = {\n      type: 'select',\n      $fromToolbox: true,\n      // Default to be filter\n      filterMode: dzFeatureModel.get('filterMode', true) || 'filter',\n      // Id for merge mapping.\n      id: DATA_ZOOM_ID_BASE + axisMainType + axisIndex\n    };\n    newOpt[axisIndexPropName] = axisIndex;\n    dzOptions.push(newOpt);\n  }\n\n  return dzOptions;\n});\nexport default DataZoomFeature;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport ComponentModel from '../../model/Component';\n\nvar TooltipModel =\n/** @class */\nfunction (_super) {\n  __extends(TooltipModel, _super);\n\n  function TooltipModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = TooltipModel.type;\n    return _this;\n  }\n\n  TooltipModel.type = 'tooltip';\n  TooltipModel.dependencies = ['axisPointer'];\n  TooltipModel.defaultOption = {\n    zlevel: 0,\n    z: 60,\n    show: true,\n    // tooltip main content\n    showContent: true,\n    // 'trigger' only works on coordinate system.\n    // 'item' | 'axis' | 'none'\n    trigger: 'item',\n    // 'click' | 'mousemove' | 'none'\n    triggerOn: 'mousemove|click',\n    alwaysShowContent: false,\n    displayMode: 'single',\n    renderMode: 'auto',\n    // whether restraint content inside viewRect.\n    // If renderMode: 'richText', default true.\n    // If renderMode: 'html', defaut false (for backward compat).\n    confine: null,\n    showDelay: 0,\n    hideDelay: 100,\n    // Animation transition time, unit is second\n    transitionDuration: 0.4,\n    enterable: false,\n    backgroundColor: '#fff',\n    // box shadow\n    shadowBlur: 10,\n    shadowColor: 'rgba(0, 0, 0, .2)',\n    shadowOffsetX: 1,\n    shadowOffsetY: 2,\n    // tooltip border radius, unit is px, default is 4\n    borderRadius: 4,\n    // tooltip border width, unit is px, default is 0 (no border)\n    borderWidth: 1,\n    // Tooltip inside padding, default is 5 for all direction\n    // Array is allowed to set up, right, bottom, left, same with css\n    // The default value: See `tooltip/tooltipMarkup.ts#getPaddingFromTooltipModel`.\n    padding: null,\n    // Extra css text\n    extraCssText: '',\n    // axis indicator, trigger by axis\n    axisPointer: {\n      // default is line\n      // legal values: 'line' | 'shadow' | 'cross'\n      type: 'line',\n      // Valid when type is line, appoint tooltip line locate on which line. Optional\n      // legal values: 'x' | 'y' | 'angle' | 'radius' | 'auto'\n      // default is 'auto', chose the axis which type is category.\n      // for multiply y axis, cartesian coord chose x axis, polar chose angle axis\n      axis: 'auto',\n      animation: 'auto',\n      animationDurationUpdate: 200,\n      animationEasingUpdate: 'exponentialOut',\n      crossStyle: {\n        color: '#999',\n        width: 1,\n        type: 'dashed',\n        // TODO formatter\n        textStyle: {}\n      } // lineStyle and shadowStyle should not be specified here,\n      // otherwise it will always override those styles on option.axisPointer.\n\n    },\n    textStyle: {\n      color: '#666',\n      fontSize: 14\n    }\n  };\n  return TooltipModel;\n}(ComponentModel);\n\nexport default TooltipModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { toCamelCase } from '../../util/format';\nimport env from 'zrender/lib/core/env';\n/* global document */\n\nexport function shouldTooltipConfine(tooltipModel) {\n  var confineOption = tooltipModel.get('confine');\n  return confineOption != null ? !!confineOption // In richText mode, the outside part can not be visible.\n  : tooltipModel.get('renderMode') === 'richText';\n}\n\nfunction testStyle(styleProps) {\n  if (!env.domSupported) {\n    return;\n  }\n\n  var style = document.documentElement.style;\n\n  for (var i = 0, len = styleProps.length; i < len; i++) {\n    if (styleProps[i] in style) {\n      return styleProps[i];\n    }\n  }\n}\n\nexport var TRANSFORM_VENDOR = testStyle(['transform', 'webkitTransform', 'OTransform', 'MozTransform', 'msTransform']);\nexport var TRANSITION_VENDOR = testStyle(['webkitTransition', 'transition', 'OTransition', 'MozTransition', 'msTransition']);\nexport function toCSSVendorPrefix(styleVendor, styleProp) {\n  if (!styleVendor) {\n    return styleProp;\n  }\n\n  styleProp = toCamelCase(styleProp, true);\n  var idx = styleVendor.indexOf(styleProp);\n  styleVendor = idx === -1 ? styleProp : \"-\" + styleVendor.slice(0, idx) + \"-\" + styleProp;\n  return styleVendor.toLowerCase();\n}\nexport function getComputedStyle(el, style) {\n  var stl = el.currentStyle || document.defaultView && document.defaultView.getComputedStyle(el);\n  return stl ? style ? stl[style] : stl : null;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { isString, indexOf, each, bind, isArray, isDom } from 'zrender/lib/core/util';\nimport { toHex } from 'zrender/lib/tool/color';\nimport { normalizeEvent } from 'zrender/lib/core/event';\nimport { transformLocalCoord } from 'zrender/lib/core/dom';\nimport env from 'zrender/lib/core/env';\nimport { convertToColorString, toCamelCase, normalizeCssArray } from '../../util/format';\nimport { shouldTooltipConfine, toCSSVendorPrefix, getComputedStyle, TRANSFORM_VENDOR, TRANSITION_VENDOR } from './helper';\nimport { getPaddingFromTooltipModel } from './tooltipMarkup';\n/* global document, window */\n\nvar CSS_TRANSITION_VENDOR = toCSSVendorPrefix(TRANSITION_VENDOR, 'transition');\nvar CSS_TRANSFORM_VENDOR = toCSSVendorPrefix(TRANSFORM_VENDOR, 'transform'); // eslint-disable-next-line\n\nvar gCssText = \"position:absolute;display:block;border-style:solid;white-space:nowrap;z-index:9999999;\" + (env.transform3dSupported ? 'will-change:transform;' : '');\n\nfunction mirrorPos(pos) {\n  pos = pos === 'left' ? 'right' : pos === 'right' ? 'left' : pos === 'top' ? 'bottom' : 'top';\n  return pos;\n}\n\nfunction assembleArrow(backgroundColor, borderColor, arrowPosition) {\n  if (!isString(arrowPosition) || arrowPosition === 'inside') {\n    return '';\n  }\n\n  borderColor = convertToColorString(borderColor);\n  var arrowPos = mirrorPos(arrowPosition);\n  var positionStyle = arrowPos + \":-6px;\";\n  var transformStyle = CSS_TRANSFORM_VENDOR + ':';\n\n  if (indexOf(['left', 'right'], arrowPos) > -1) {\n    positionStyle += 'top:50%';\n    transformStyle += \"translateY(-50%) rotate(\" + (arrowPos === 'left' ? -225 : -45) + \"deg)\";\n  } else {\n    positionStyle += 'left:50%';\n    transformStyle += \"translateX(-50%) rotate(\" + (arrowPos === 'top' ? 225 : 45) + \"deg)\";\n  }\n\n  var borderStyle = borderColor + \" solid 1px;\";\n  var styleCss = ['position:absolute;width:10px;height:10px;', positionStyle + \";\" + transformStyle + \";\", \"border-bottom:\" + borderStyle, \"border-right:\" + borderStyle, \"background-color:\" + backgroundColor + \";\", 'box-shadow:8px 8px 16px -3px #000;'];\n  return \"<div style=\\\"\" + styleCss.join('') + \"\\\"></div>\";\n}\n\nfunction assembleTransition(duration, onlyFade) {\n  var transitionCurve = 'cubic-bezier(0.23,1,0.32,1)';\n  var transitionOption = \" \" + duration / 2 + \"s \" + transitionCurve;\n  var transitionText = \"opacity\" + transitionOption + \",visibility\" + transitionOption;\n\n  if (!onlyFade) {\n    transitionOption = \" \" + duration + \"s \" + transitionCurve;\n    transitionText += env.transformSupported ? \",\" + TRANSFORM_VENDOR + transitionOption : \",left\" + transitionOption + \",top\" + transitionOption;\n  }\n\n  return CSS_TRANSITION_VENDOR + ':' + transitionText;\n}\n\nfunction assembleTransform(x, y, toString) {\n  // If using float on style, the final width of the dom might\n  // keep changing slightly while mouse move. So `toFixed(0)` them.\n  var x0 = x.toFixed(0) + 'px';\n  var y0 = y.toFixed(0) + 'px'; // not support transform, use `left` and `top` instead.\n\n  if (!env.transformSupported) {\n    return toString ? \"top:\" + y0 + \";left:\" + x0 + \";\" : [['top', y0], ['left', x0]];\n  } // support transform\n\n\n  var is3d = env.transform3dSupported;\n  var translate = \"translate\" + (is3d ? '3d' : '') + \"(\" + x0 + \",\" + y0 + (is3d ? ',0' : '') + \")\";\n  return toString ? 'top:0;left:0;' + CSS_TRANSFORM_VENDOR + ':' + translate + ';' : [['top', 0], ['left', 0], [TRANSFORM_VENDOR, translate]];\n}\n/**\n * @param {Object} textStyle\n * @return {string}\n * @inner\n */\n\n\nfunction assembleFont(textStyleModel) {\n  var cssText = [];\n  var fontSize = textStyleModel.get('fontSize');\n  var color = textStyleModel.getTextColor();\n  color && cssText.push('color:' + color);\n  cssText.push('font:' + textStyleModel.getFont());\n  fontSize // @ts-ignore, leave it to the tooltip refactor.\n  && cssText.push('line-height:' + Math.round(fontSize * 3 / 2) + 'px');\n  var shadowColor = textStyleModel.get('textShadowColor');\n  var shadowBlur = textStyleModel.get('textShadowBlur') || 0;\n  var shadowOffsetX = textStyleModel.get('textShadowOffsetX') || 0;\n  var shadowOffsetY = textStyleModel.get('textShadowOffsetY') || 0;\n  shadowColor && shadowBlur && cssText.push('text-shadow:' + shadowOffsetX + 'px ' + shadowOffsetY + 'px ' + shadowBlur + 'px ' + shadowColor);\n  each(['decoration', 'align'], function (name) {\n    var val = textStyleModel.get(name);\n    val && cssText.push('text-' + name + ':' + val);\n  });\n  return cssText.join(';');\n}\n\nfunction assembleCssText(tooltipModel, enableTransition, onlyFade) {\n  var cssText = [];\n  var transitionDuration = tooltipModel.get('transitionDuration');\n  var backgroundColor = tooltipModel.get('backgroundColor');\n  var shadowBlur = tooltipModel.get('shadowBlur');\n  var shadowColor = tooltipModel.get('shadowColor');\n  var shadowOffsetX = tooltipModel.get('shadowOffsetX');\n  var shadowOffsetY = tooltipModel.get('shadowOffsetY');\n  var textStyleModel = tooltipModel.getModel('textStyle');\n  var padding = getPaddingFromTooltipModel(tooltipModel, 'html');\n  var boxShadow = shadowOffsetX + \"px \" + shadowOffsetY + \"px \" + shadowBlur + \"px \" + shadowColor;\n  cssText.push('box-shadow:' + boxShadow); // Animation transition. Do not animate when transitionDuration is 0.\n\n  enableTransition && transitionDuration && cssText.push(assembleTransition(transitionDuration, onlyFade));\n\n  if (backgroundColor) {\n    if (env.canvasSupported) {\n      cssText.push('background-color:' + backgroundColor);\n    } else {\n      // for ie\n      cssText.push('background-color:#' + toHex(backgroundColor));\n      cssText.push('filter:alpha(opacity=70)');\n    }\n  } // Border style\n\n\n  each(['width', 'color', 'radius'], function (name) {\n    var borderName = 'border-' + name;\n    var camelCase = toCamelCase(borderName);\n    var val = tooltipModel.get(camelCase);\n    val != null && cssText.push(borderName + ':' + val + (name === 'color' ? '' : 'px'));\n  }); // Text style\n\n  cssText.push(assembleFont(textStyleModel)); // Padding\n\n  if (padding != null) {\n    cssText.push('padding:' + normalizeCssArray(padding).join('px ') + 'px');\n  }\n\n  return cssText.join(';') + ';';\n} // If not able to make, do not modify the input `out`.\n\n\nfunction makeStyleCoord(out, zr, appendToBody, zrX, zrY) {\n  var zrPainter = zr && zr.painter;\n\n  if (appendToBody) {\n    var zrViewportRoot = zrPainter && zrPainter.getViewportRoot();\n\n    if (zrViewportRoot) {\n      // Some APPs might use scale on body, so we support CSS transform here.\n      transformLocalCoord(out, zrViewportRoot, document.body, zrX, zrY);\n    }\n  } else {\n    out[0] = zrX;\n    out[1] = zrY; // xy should be based on canvas root. But tooltipContent is\n    // the sibling of canvas root. So padding of ec container\n    // should be considered here.\n\n    var viewportRootOffset = zrPainter && zrPainter.getViewportRootOffset();\n\n    if (viewportRootOffset) {\n      out[0] += viewportRootOffset.offsetLeft;\n      out[1] += viewportRootOffset.offsetTop;\n    }\n  }\n\n  out[2] = out[0] / zr.getWidth();\n  out[3] = out[1] / zr.getHeight();\n}\n\nvar TooltipHTMLContent =\n/** @class */\nfunction () {\n  function TooltipHTMLContent(container, api, opt) {\n    this._show = false;\n    this._styleCoord = [0, 0, 0, 0];\n    this._enterable = true;\n    this._firstShow = true;\n    this._longHide = true;\n\n    if (env.wxa) {\n      return null;\n    }\n\n    var el = document.createElement('div'); // TODO: TYPE\n\n    el.domBelongToZr = true;\n    this.el = el;\n    var zr = this._zr = api.getZr();\n    var appendToBody = this._appendToBody = opt && opt.appendToBody;\n    makeStyleCoord(this._styleCoord, zr, appendToBody, api.getWidth() / 2, api.getHeight() / 2);\n\n    if (appendToBody) {\n      document.body.appendChild(el);\n    } else {\n      container.appendChild(el);\n    }\n\n    this._container = container; // FIXME\n    // Is it needed to trigger zr event manually if\n    // the browser do not support `pointer-events: none`.\n\n    var self = this;\n\n    el.onmouseenter = function () {\n      // clear the timeout in hideLater and keep showing tooltip\n      if (self._enterable) {\n        clearTimeout(self._hideTimeout);\n        self._show = true;\n      }\n\n      self._inContent = true;\n    };\n\n    el.onmousemove = function (e) {\n      e = e || window.event;\n\n      if (!self._enterable) {\n        // `pointer-events: none` is set to tooltip content div\n        // if `enterable` is set as `false`, and `el.onmousemove`\n        // can not be triggered. But in browser that do not\n        // support `pointer-events`, we need to do this:\n        // Try trigger zrender event to avoid mouse\n        // in and out shape too frequently\n        var handler = zr.handler;\n        var zrViewportRoot = zr.painter.getViewportRoot();\n        normalizeEvent(zrViewportRoot, e, true);\n        handler.dispatch('mousemove', e);\n      }\n    };\n\n    el.onmouseleave = function () {\n      // set `_inContent` to `false` before `hideLater`\n      self._inContent = false;\n\n      if (self._enterable) {\n        if (self._show) {\n          self.hideLater(self._hideDelay);\n        }\n      }\n    };\n  }\n  /**\n   * Update when tooltip is rendered\n   */\n\n\n  TooltipHTMLContent.prototype.update = function (tooltipModel) {\n    // FIXME\n    // Move this logic to ec main?\n    var container = this._container;\n    var position = getComputedStyle(container, 'position');\n    var domStyle = container.style;\n\n    if (domStyle.position !== 'absolute' && position !== 'absolute') {\n      domStyle.position = 'relative';\n    } // move tooltip if chart resized\n\n\n    var alwaysShowContent = tooltipModel.get('alwaysShowContent');\n    alwaysShowContent && this._moveIfResized(); // update className\n\n    this.el.className = tooltipModel.get('className') || ''; // Hide the tooltip\n    // PENDING\n    // this.hide();\n  };\n\n  TooltipHTMLContent.prototype.show = function (tooltipModel, nearPointColor) {\n    clearTimeout(this._hideTimeout);\n    clearTimeout(this._longHideTimeout);\n    var el = this.el;\n    var style = el.style;\n    var styleCoord = this._styleCoord;\n\n    if (!el.innerHTML) {\n      style.display = 'none';\n    } else {\n      style.cssText = gCssText + assembleCssText(tooltipModel, !this._firstShow, this._longHide) // initial transform\n      + assembleTransform(styleCoord[0], styleCoord[1], true) + (\"border-color:\" + convertToColorString(nearPointColor) + \";\") + (tooltipModel.get('extraCssText') || '') // If mouse occasionally move over the tooltip, a mouseout event will be\n      // triggered by canvas, and cause some unexpectable result like dragging\n      // stop, \"unfocusAdjacency\". Here `pointer-events: none` is used to solve\n      // it. Although it is not supported by IE8~IE10, fortunately it is a rare\n      // scenario.\n      + (\";pointer-event:\" + (this._enterable ? 'auto' : 'none'));\n    }\n\n    this._show = true;\n    this._firstShow = false;\n    this._longHide = false;\n  };\n\n  TooltipHTMLContent.prototype.setContent = function (content, markers, tooltipModel, borderColor, arrowPosition) {\n    if (content == null) {\n      return;\n    }\n\n    var el = this.el;\n\n    if (isString(arrowPosition) && tooltipModel.get('trigger') === 'item' && !shouldTooltipConfine(tooltipModel)) {\n      content += assembleArrow(tooltipModel.get('backgroundColor'), borderColor, arrowPosition);\n    }\n\n    if (isString(content)) {\n      el.innerHTML = content;\n    } else if (content) {\n      // Clear previous\n      el.innerHTML = '';\n\n      if (!isArray(content)) {\n        content = [content];\n      }\n\n      for (var i = 0; i < content.length; i++) {\n        if (isDom(content[i]) && content[i].parentNode !== el) {\n          el.appendChild(content[i]);\n        }\n      }\n    }\n  };\n\n  TooltipHTMLContent.prototype.setEnterable = function (enterable) {\n    this._enterable = enterable;\n  };\n\n  TooltipHTMLContent.prototype.getSize = function () {\n    var el = this.el;\n    return [el.clientWidth, el.clientHeight];\n  };\n\n  TooltipHTMLContent.prototype.moveTo = function (zrX, zrY) {\n    var styleCoord = this._styleCoord;\n    makeStyleCoord(styleCoord, this._zr, this._appendToBody, zrX, zrY);\n\n    if (styleCoord[0] != null && styleCoord[1] != null) {\n      var style_1 = this.el.style;\n      var transforms = assembleTransform(styleCoord[0], styleCoord[1]);\n      each(transforms, function (transform) {\n        style_1[transform[0]] = transform[1];\n      });\n    }\n  };\n  /**\n   * when `alwaysShowContent` is true,\n   * move the tooltip after chart resized\n   */\n\n\n  TooltipHTMLContent.prototype._moveIfResized = function () {\n    // The ratio of left to width\n    var ratioX = this._styleCoord[2]; // The ratio of top to height\n\n    var ratioY = this._styleCoord[3];\n    this.moveTo(ratioX * this._zr.getWidth(), ratioY * this._zr.getHeight());\n  };\n\n  TooltipHTMLContent.prototype.hide = function () {\n    var _this = this;\n\n    var style = this.el.style;\n    style.visibility = 'hidden';\n    style.opacity = '0';\n    env.transform3dSupported && (style.willChange = '');\n    this._show = false;\n    this._longHideTimeout = setTimeout(function () {\n      return _this._longHide = true;\n    }, 500);\n  };\n\n  TooltipHTMLContent.prototype.hideLater = function (time) {\n    if (this._show && !(this._inContent && this._enterable)) {\n      if (time) {\n        this._hideDelay = time; // Set show false to avoid invoke hideLater multiple times\n\n        this._show = false;\n        this._hideTimeout = setTimeout(bind(this.hide, this), time);\n      } else {\n        this.hide();\n      }\n    }\n  };\n\n  TooltipHTMLContent.prototype.isShow = function () {\n    return this._show;\n  };\n\n  TooltipHTMLContent.prototype.dispose = function () {\n    this.el.parentNode.removeChild(this.el);\n  };\n\n  TooltipHTMLContent.prototype.getOuterSize = function () {\n    var width = this.el.clientWidth;\n    var height = this.el.clientHeight; // Consider browser compatibility.\n    // IE8 does not support getComputedStyle.\n\n    var stl = getComputedStyle(this.el);\n\n    if (stl) {\n      width += parseInt(stl.borderLeftWidth, 10) + parseInt(stl.borderRightWidth, 10);\n      height += parseInt(stl.borderTopWidth, 10) + parseInt(stl.borderBottomWidth, 10);\n    }\n\n    return {\n      width: width,\n      height: height\n    };\n  };\n\n  return TooltipHTMLContent;\n}();\n\nexport default TooltipHTMLContent;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport ZRText from 'zrender/lib/graphic/Text';\nimport { getPaddingFromTooltipModel } from './tooltipMarkup';\nimport { throwError } from '../../util/log';\n\nvar TooltipRichContent =\n/** @class */\nfunction () {\n  function TooltipRichContent(api) {\n    this._show = false;\n    this._styleCoord = [0, 0, 0, 0];\n    this._enterable = true;\n    this._zr = api.getZr();\n    makeStyleCoord(this._styleCoord, this._zr, api.getWidth() / 2, api.getHeight() / 2);\n  }\n  /**\n   * Update when tooltip is rendered\n   */\n\n\n  TooltipRichContent.prototype.update = function (tooltipModel) {\n    var alwaysShowContent = tooltipModel.get('alwaysShowContent');\n    alwaysShowContent && this._moveIfResized();\n  };\n\n  TooltipRichContent.prototype.show = function () {\n    if (this._hideTimeout) {\n      clearTimeout(this._hideTimeout);\n    }\n\n    this.el.show();\n    this._show = true;\n  };\n  /**\n   * Set tooltip content\n   */\n\n\n  TooltipRichContent.prototype.setContent = function (content, markupStyleCreator, tooltipModel, borderColor, arrowPosition) {\n    if (zrUtil.isObject(content)) {\n      throwError(process.env.NODE_ENV !== 'production' ? 'Passing DOM nodes as content is not supported in richText tooltip!' : '');\n    }\n\n    if (this.el) {\n      this._zr.remove(this.el);\n    }\n\n    var textStyleModel = tooltipModel.getModel('textStyle');\n    this.el = new ZRText({\n      style: {\n        rich: markupStyleCreator.richTextStyles,\n        text: content,\n        lineHeight: 22,\n        backgroundColor: tooltipModel.get('backgroundColor'),\n        borderRadius: tooltipModel.get('borderRadius'),\n        borderWidth: 1,\n        borderColor: borderColor,\n        shadowColor: tooltipModel.get('shadowColor'),\n        shadowBlur: tooltipModel.get('shadowBlur'),\n        shadowOffsetX: tooltipModel.get('shadowOffsetX'),\n        shadowOffsetY: tooltipModel.get('shadowOffsetY'),\n        textShadowColor: textStyleModel.get('textShadowColor'),\n        textShadowBlur: textStyleModel.get('textShadowBlur') || 0,\n        textShadowOffsetX: textStyleModel.get('textShadowOffsetX') || 0,\n        textShadowOffsetY: textStyleModel.get('textShadowOffsetY') || 0,\n        fill: tooltipModel.get(['textStyle', 'color']),\n        padding: getPaddingFromTooltipModel(tooltipModel, 'richText'),\n        verticalAlign: 'top',\n        align: 'left'\n      },\n      z: tooltipModel.get('z')\n    });\n\n    this._zr.add(this.el);\n\n    var self = this;\n    this.el.on('mouseover', function () {\n      // clear the timeout in hideLater and keep showing tooltip\n      if (self._enterable) {\n        clearTimeout(self._hideTimeout);\n        self._show = true;\n      }\n\n      self._inContent = true;\n    });\n    this.el.on('mouseout', function () {\n      if (self._enterable) {\n        if (self._show) {\n          self.hideLater(self._hideDelay);\n        }\n      }\n\n      self._inContent = false;\n    });\n  };\n\n  TooltipRichContent.prototype.setEnterable = function (enterable) {\n    this._enterable = enterable;\n  };\n\n  TooltipRichContent.prototype.getSize = function () {\n    var el = this.el;\n    var bounding = this.el.getBoundingRect(); // bounding rect does not include shadow. For renderMode richText,\n    // if overflow, it will be cut. So calculate them accurately.\n\n    var shadowOuterSize = calcShadowOuterSize(el.style);\n    return [bounding.width + shadowOuterSize.left + shadowOuterSize.right, bounding.height + shadowOuterSize.top + shadowOuterSize.bottom];\n  };\n\n  TooltipRichContent.prototype.moveTo = function (x, y) {\n    var el = this.el;\n\n    if (el) {\n      var styleCoord = this._styleCoord;\n      makeStyleCoord(styleCoord, this._zr, x, y);\n      x = styleCoord[0];\n      y = styleCoord[1];\n      var style = el.style;\n      var borderWidth = mathMaxWith0(style.borderWidth || 0);\n      var shadowOuterSize = calcShadowOuterSize(style); // rich text x, y do not include border.\n\n      el.x = x + borderWidth + shadowOuterSize.left;\n      el.y = y + borderWidth + shadowOuterSize.top;\n      el.markRedraw();\n    }\n  };\n  /**\n   * when `alwaysShowContent` is true,\n   * move the tooltip after chart resized\n   */\n\n\n  TooltipRichContent.prototype._moveIfResized = function () {\n    // The ratio of left to width\n    var ratioX = this._styleCoord[2]; // The ratio of top to height\n\n    var ratioY = this._styleCoord[3];\n    this.moveTo(ratioX * this._zr.getWidth(), ratioY * this._zr.getHeight());\n  };\n\n  TooltipRichContent.prototype.hide = function () {\n    if (this.el) {\n      this.el.hide();\n    }\n\n    this._show = false;\n  };\n\n  TooltipRichContent.prototype.hideLater = function (time) {\n    if (this._show && !(this._inContent && this._enterable)) {\n      if (time) {\n        this._hideDelay = time; // Set show false to avoid invoke hideLater multiple times\n\n        this._show = false;\n        this._hideTimeout = setTimeout(zrUtil.bind(this.hide, this), time);\n      } else {\n        this.hide();\n      }\n    }\n  };\n\n  TooltipRichContent.prototype.isShow = function () {\n    return this._show;\n  };\n\n  TooltipRichContent.prototype.getOuterSize = function () {\n    var size = this.getSize();\n    return {\n      width: size[0],\n      height: size[1]\n    };\n  };\n\n  TooltipRichContent.prototype.dispose = function () {\n    this._zr.remove(this.el);\n  };\n\n  return TooltipRichContent;\n}();\n\nfunction mathMaxWith0(val) {\n  return Math.max(0, val);\n}\n\nfunction calcShadowOuterSize(style) {\n  var shadowBlur = mathMaxWith0(style.shadowBlur || 0);\n  var shadowOffsetX = mathMaxWith0(style.shadowOffsetX || 0);\n  var shadowOffsetY = mathMaxWith0(style.shadowOffsetY || 0);\n  return {\n    left: mathMaxWith0(shadowBlur - shadowOffsetX),\n    right: mathMaxWith0(shadowBlur + shadowOffsetX),\n    top: mathMaxWith0(shadowBlur - shadowOffsetY),\n    bottom: mathMaxWith0(shadowBlur + shadowOffsetY)\n  };\n}\n\nfunction makeStyleCoord(out, zr, zrX, zrY) {\n  out[0] = zrX;\n  out[1] = zrY;\n  out[2] = out[0] / zr.getWidth();\n  out[3] = out[1] / zr.getHeight();\n}\n\nexport default TooltipRichContent;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\nimport { __extends } from \"tslib\";\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\nimport * as zrUtil from 'zrender/lib/core/util';\nimport env from 'zrender/lib/core/env';\nimport TooltipHTMLContent from './TooltipHTMLContent';\nimport TooltipRichContent from './TooltipRichContent';\nimport * as formatUtil from '../../util/format';\nimport * as numberUtil from '../../util/number';\nimport * as graphic from '../../util/graphic';\nimport findPointFromSeries from '../axisPointer/findPointFromSeries';\nimport * as layoutUtil from '../../util/layout';\nimport Model from '../../model/Model';\nimport * as globalListener from '../axisPointer/globalListener';\nimport * as axisHelper from '../../coord/axisHelper';\nimport * as axisPointerViewHelper from '../axisPointer/viewHelper';\nimport { getTooltipRenderMode, preParseFinder, queryReferringComponents } from '../../util/model';\nimport ComponentView from '../../view/Component';\nimport { format as timeFormat } from '../../util/time'; // import { isDimensionStacked } from '../../data/helper/dataStackHelper';\n\nimport { getECData } from '../../util/innerStore';\nimport { shouldTooltipConfine } from './helper';\nimport { normalizeTooltipFormatResult } from '../../model/mixin/dataFormat';\nimport { createTooltipMarkup, buildTooltipMarkup, TooltipMarkupStyleCreator } from './tooltipMarkup';\nimport { findEventDispatcher } from '../../util/event';\nvar bind = zrUtil.bind;\nvar each = zrUtil.each;\nvar parsePercent = numberUtil.parsePercent;\nvar proxyRect = new graphic.Rect({\n  shape: {\n    x: -1,\n    y: -1,\n    width: 2,\n    height: 2\n  }\n});\n\nvar TooltipView =\n/** @class */\nfunction (_super) {\n  __extends(TooltipView, _super);\n\n  function TooltipView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = TooltipView.type;\n    return _this;\n  }\n\n  TooltipView.prototype.init = function (ecModel, api) {\n    if (env.node) {\n      return;\n    }\n\n    var tooltipModel = ecModel.getComponent('tooltip');\n    var renderMode = tooltipModel.get('renderMode');\n    this._renderMode = getTooltipRenderMode(renderMode);\n    this._tooltipContent = this._renderMode === 'richText' ? new TooltipRichContent(api) : new TooltipHTMLContent(api.getDom(), api, {\n      appendToBody: tooltipModel.get('appendToBody', true)\n    });\n  };\n\n  TooltipView.prototype.render = function (tooltipModel, ecModel, api) {\n    if (env.node) {\n      return;\n    } // Reset\n\n\n    this.group.removeAll();\n    this._tooltipModel = tooltipModel;\n    this._ecModel = ecModel;\n    this._api = api;\n    /**\n     * @private\n     * @type {boolean}\n     */\n\n    this._alwaysShowContent = tooltipModel.get('alwaysShowContent');\n    var tooltipContent = this._tooltipContent;\n    tooltipContent.update(tooltipModel);\n    tooltipContent.setEnterable(tooltipModel.get('enterable'));\n\n    this._initGlobalListener();\n\n    this._keepShow();\n  };\n\n  TooltipView.prototype._initGlobalListener = function () {\n    var tooltipModel = this._tooltipModel;\n    var triggerOn = tooltipModel.get('triggerOn');\n    globalListener.register('itemTooltip', this._api, bind(function (currTrigger, e, dispatchAction) {\n      // If 'none', it is not controlled by mouse totally.\n      if (triggerOn !== 'none') {\n        if (triggerOn.indexOf(currTrigger) >= 0) {\n          this._tryShow(e, dispatchAction);\n        } else if (currTrigger === 'leave') {\n          this._hide(dispatchAction);\n        }\n      }\n    }, this));\n  };\n\n  TooltipView.prototype._keepShow = function () {\n    var tooltipModel = this._tooltipModel;\n    var ecModel = this._ecModel;\n    var api = this._api; // Try to keep the tooltip show when refreshing\n\n    if (this._lastX != null && this._lastY != null // When user is willing to control tooltip totally using API,\n    // self.manuallyShowTip({x, y}) might cause tooltip hide,\n    // which is not expected.\n    && tooltipModel.get('triggerOn') !== 'none') {\n      var self_1 = this;\n      clearTimeout(this._refreshUpdateTimeout);\n      this._refreshUpdateTimeout = setTimeout(function () {\n        // Show tip next tick after other charts are rendered\n        // In case highlight action has wrong result\n        // FIXME\n        !api.isDisposed() && self_1.manuallyShowTip(tooltipModel, ecModel, api, {\n          x: self_1._lastX,\n          y: self_1._lastY,\n          dataByCoordSys: self_1._lastDataByCoordSys\n        });\n      });\n    }\n  };\n  /**\n   * Show tip manually by\n   * dispatchAction({\n   *     type: 'showTip',\n   *     x: 10,\n   *     y: 10\n   * });\n   * Or\n   * dispatchAction({\n   *      type: 'showTip',\n   *      seriesIndex: 0,\n   *      dataIndex or dataIndexInside or name\n   * });\n   *\n   *  TODO Batch\n   */\n\n\n  TooltipView.prototype.manuallyShowTip = function (tooltipModel, ecModel, api, payload) {\n    if (payload.from === this.uid || env.node) {\n      return;\n    }\n\n    var dispatchAction = makeDispatchAction(payload, api); // Reset ticket\n\n    this._ticket = ''; // When triggered from axisPointer.\n\n    var dataByCoordSys = payload.dataByCoordSys;\n    var cmptRef = findComponentReference(payload, ecModel, api);\n\n    if (cmptRef) {\n      var rect = cmptRef.el.getBoundingRect().clone();\n      rect.applyTransform(cmptRef.el.transform);\n\n      this._tryShow({\n        offsetX: rect.x + rect.width / 2,\n        offsetY: rect.y + rect.height / 2,\n        target: cmptRef.el,\n        position: payload.position,\n        // When manully trigger, the mouse is not on the el, so we'd better to\n        // position tooltip on the bottom of the el and display arrow is possible.\n        positionDefault: 'bottom'\n      }, dispatchAction);\n    } else if (payload.tooltip && payload.x != null && payload.y != null) {\n      var el = proxyRect;\n      el.x = payload.x;\n      el.y = payload.y;\n      el.update();\n      getECData(el).tooltipConfig = {\n        name: null,\n        option: payload.tooltip\n      }; // Manually show tooltip while view is not using zrender elements.\n\n      this._tryShow({\n        offsetX: payload.x,\n        offsetY: payload.y,\n        target: el\n      }, dispatchAction);\n    } else if (dataByCoordSys) {\n      this._tryShow({\n        offsetX: payload.x,\n        offsetY: payload.y,\n        position: payload.position,\n        dataByCoordSys: dataByCoordSys,\n        tooltipOption: payload.tooltipOption\n      }, dispatchAction);\n    } else if (payload.seriesIndex != null) {\n      if (this._manuallyAxisShowTip(tooltipModel, ecModel, api, payload)) {\n        return;\n      }\n\n      var pointInfo = findPointFromSeries(payload, ecModel);\n      var cx = pointInfo.point[0];\n      var cy = pointInfo.point[1];\n\n      if (cx != null && cy != null) {\n        this._tryShow({\n          offsetX: cx,\n          offsetY: cy,\n          target: pointInfo.el,\n          position: payload.position,\n          // When manully trigger, the mouse is not on the el, so we'd better to\n          // position tooltip on the bottom of the el and display arrow is possible.\n          positionDefault: 'bottom'\n        }, dispatchAction);\n      }\n    } else if (payload.x != null && payload.y != null) {\n      // FIXME\n      // should wrap dispatchAction like `axisPointer/globalListener` ?\n      api.dispatchAction({\n        type: 'updateAxisPointer',\n        x: payload.x,\n        y: payload.y\n      });\n\n      this._tryShow({\n        offsetX: payload.x,\n        offsetY: payload.y,\n        position: payload.position,\n        target: api.getZr().findHover(payload.x, payload.y).target\n      }, dispatchAction);\n    }\n  };\n\n  TooltipView.prototype.manuallyHideTip = function (tooltipModel, ecModel, api, payload) {\n    var tooltipContent = this._tooltipContent;\n\n    if (!this._alwaysShowContent && this._tooltipModel) {\n      tooltipContent.hideLater(this._tooltipModel.get('hideDelay'));\n    }\n\n    this._lastX = this._lastY = this._lastDataByCoordSys = null;\n\n    if (payload.from !== this.uid) {\n      this._hide(makeDispatchAction(payload, api));\n    }\n  }; // Be compatible with previous design, that is, when tooltip.type is 'axis' and\n  // dispatchAction 'showTip' with seriesIndex and dataIndex will trigger axis pointer\n  // and tooltip.\n\n\n  TooltipView.prototype._manuallyAxisShowTip = function (tooltipModel, ecModel, api, payload) {\n    var seriesIndex = payload.seriesIndex;\n    var dataIndex = payload.dataIndex; // @ts-ignore\n\n    var coordSysAxesInfo = ecModel.getComponent('axisPointer').coordSysAxesInfo;\n\n    if (seriesIndex == null || dataIndex == null || coordSysAxesInfo == null) {\n      return;\n    }\n\n    var seriesModel = ecModel.getSeriesByIndex(seriesIndex);\n\n    if (!seriesModel) {\n      return;\n    }\n\n    var data = seriesModel.getData();\n    var tooltipCascadedModel = buildTooltipModel([data.getItemModel(dataIndex), seriesModel, (seriesModel.coordinateSystem || {}).model], this._tooltipModel);\n\n    if (tooltipCascadedModel.get('trigger') !== 'axis') {\n      return;\n    }\n\n    api.dispatchAction({\n      type: 'updateAxisPointer',\n      seriesIndex: seriesIndex,\n      dataIndex: dataIndex,\n      position: payload.position\n    });\n    return true;\n  };\n\n  TooltipView.prototype._tryShow = function (e, dispatchAction) {\n    var el = e.target;\n    var tooltipModel = this._tooltipModel;\n\n    if (!tooltipModel) {\n      return;\n    } // Save mouse x, mouse y. So we can try to keep showing the tip if chart is refreshed\n\n\n    this._lastX = e.offsetX;\n    this._lastY = e.offsetY;\n    var dataByCoordSys = e.dataByCoordSys;\n\n    if (dataByCoordSys && dataByCoordSys.length) {\n      this._showAxisTooltip(dataByCoordSys, e);\n    } else if (el) {\n      this._lastDataByCoordSys = null;\n      var seriesDispatcher_1;\n      var cmptDispatcher_1;\n      findEventDispatcher(el, function (target) {\n        // Always show item tooltip if mouse is on the element with dataIndex\n        if (getECData(target).dataIndex != null) {\n          seriesDispatcher_1 = target;\n          return true;\n        } // Tooltip provided directly. Like legend.\n\n\n        if (getECData(target).tooltipConfig != null) {\n          cmptDispatcher_1 = target;\n          return true;\n        }\n      }, true);\n\n      if (seriesDispatcher_1) {\n        this._showSeriesItemTooltip(e, seriesDispatcher_1, dispatchAction);\n      } else if (cmptDispatcher_1) {\n        this._showComponentItemTooltip(e, cmptDispatcher_1, dispatchAction);\n      } else {\n        this._hide(dispatchAction);\n      }\n    } else {\n      this._lastDataByCoordSys = null;\n\n      this._hide(dispatchAction);\n    }\n  };\n\n  TooltipView.prototype._showOrMove = function (tooltipModel, cb) {\n    // showDelay is used in this case: tooltip.enterable is set\n    // as true. User intent to move mouse into tooltip and click\n    // something. `showDelay` makes it easier to enter the content\n    // but tooltip do not move immediately.\n    var delay = tooltipModel.get('showDelay');\n    cb = zrUtil.bind(cb, this);\n    clearTimeout(this._showTimout);\n    delay > 0 ? this._showTimout = setTimeout(cb, delay) : cb();\n  };\n\n  TooltipView.prototype._showAxisTooltip = function (dataByCoordSys, e) {\n    var ecModel = this._ecModel;\n    var globalTooltipModel = this._tooltipModel;\n    var point = [e.offsetX, e.offsetY];\n    var singleTooltipModel = buildTooltipModel([e.tooltipOption], globalTooltipModel);\n    var renderMode = this._renderMode;\n    var cbParamsList = [];\n    var articleMarkup = createTooltipMarkup('section', {\n      blocks: [],\n      noHeader: true\n    }); // Only for legacy: `Serise['formatTooltip']` returns a string.\n\n    var markupTextArrLegacy = [];\n    var markupStyleCreator = new TooltipMarkupStyleCreator();\n    each(dataByCoordSys, function (itemCoordSys) {\n      each(itemCoordSys.dataByAxis, function (axisItem) {\n        var axisModel = ecModel.getComponent(axisItem.axisDim + 'Axis', axisItem.axisIndex);\n        var axisValue = axisItem.value;\n\n        if (!axisModel || axisValue == null) {\n          return;\n        }\n\n        var axisValueLabel = axisPointerViewHelper.getValueLabel(axisValue, axisModel.axis, ecModel, axisItem.seriesDataIndices, axisItem.valueLabelOpt);\n        var axisSectionMarkup = createTooltipMarkup('section', {\n          header: axisValueLabel,\n          noHeader: !zrUtil.trim(axisValueLabel),\n          sortBlocks: true,\n          blocks: []\n        });\n        articleMarkup.blocks.push(axisSectionMarkup);\n        zrUtil.each(axisItem.seriesDataIndices, function (idxItem) {\n          var series = ecModel.getSeriesByIndex(idxItem.seriesIndex);\n          var dataIndex = idxItem.dataIndexInside;\n          var cbParams = series.getDataParams(dataIndex);\n          cbParams.axisDim = axisItem.axisDim;\n          cbParams.axisIndex = axisItem.axisIndex;\n          cbParams.axisType = axisItem.axisType;\n          cbParams.axisId = axisItem.axisId;\n          cbParams.axisValue = axisHelper.getAxisRawValue(axisModel.axis, {\n            value: axisValue\n          });\n          cbParams.axisValueLabel = axisValueLabel; // Pre-create marker style for makers. Users can assemble richText\n          // text in `formatter` callback and use those markers style.\n\n          cbParams.marker = markupStyleCreator.makeTooltipMarker('item', formatUtil.convertToColorString(cbParams.color), renderMode);\n          var seriesTooltipResult = normalizeTooltipFormatResult(series.formatTooltip(dataIndex, true, null));\n\n          if (seriesTooltipResult.markupFragment) {\n            axisSectionMarkup.blocks.push(seriesTooltipResult.markupFragment);\n          }\n\n          if (seriesTooltipResult.markupText) {\n            markupTextArrLegacy.push(seriesTooltipResult.markupText);\n          }\n\n          cbParamsList.push(cbParams);\n        });\n      });\n    }); // In most cases, the second axis is displays upper on the first one.\n    // So we reverse it to look better.\n\n    articleMarkup.blocks.reverse();\n    markupTextArrLegacy.reverse();\n    var positionExpr = e.position;\n    var orderMode = singleTooltipModel.get('order');\n    var builtMarkupText = buildTooltipMarkup(articleMarkup, markupStyleCreator, renderMode, orderMode, ecModel.get('useUTC'), singleTooltipModel.get('textStyle'));\n    builtMarkupText && markupTextArrLegacy.unshift(builtMarkupText);\n    var blockBreak = renderMode === 'richText' ? '\\n\\n' : '<br/>';\n    var allMarkupText = markupTextArrLegacy.join(blockBreak);\n\n    this._showOrMove(singleTooltipModel, function () {\n      if (this._updateContentNotChangedOnAxis(dataByCoordSys)) {\n        this._updatePosition(singleTooltipModel, positionExpr, point[0], point[1], this._tooltipContent, cbParamsList);\n      } else {\n        this._showTooltipContent(singleTooltipModel, allMarkupText, cbParamsList, Math.random() + '', point[0], point[1], positionExpr, null, markupStyleCreator);\n      }\n    }); // Do not trigger events here, because this branch only be entered\n    // from dispatchAction.\n\n  };\n\n  TooltipView.prototype._showSeriesItemTooltip = function (e, dispatcher, dispatchAction) {\n    var ecModel = this._ecModel;\n    var ecData = getECData(dispatcher); // Use dataModel in element if possible\n    // Used when mouseover on a element like markPoint or edge\n    // In which case, the data is not main data in series.\n\n    var seriesIndex = ecData.seriesIndex;\n    var seriesModel = ecModel.getSeriesByIndex(seriesIndex); // For example, graph link.\n\n    var dataModel = ecData.dataModel || seriesModel;\n    var dataIndex = ecData.dataIndex;\n    var dataType = ecData.dataType;\n    var data = dataModel.getData(dataType);\n    var renderMode = this._renderMode;\n    var positionDefault = e.positionDefault;\n    var tooltipModel = buildTooltipModel([data.getItemModel(dataIndex), dataModel, seriesModel && (seriesModel.coordinateSystem || {}).model], this._tooltipModel, positionDefault ? {\n      position: positionDefault\n    } : null);\n    var tooltipTrigger = tooltipModel.get('trigger');\n\n    if (tooltipTrigger != null && tooltipTrigger !== 'item') {\n      return;\n    }\n\n    var params = dataModel.getDataParams(dataIndex, dataType);\n    var markupStyleCreator = new TooltipMarkupStyleCreator(); // Pre-create marker style for makers. Users can assemble richText\n    // text in `formatter` callback and use those markers style.\n\n    params.marker = markupStyleCreator.makeTooltipMarker('item', formatUtil.convertToColorString(params.color), renderMode);\n    var seriesTooltipResult = normalizeTooltipFormatResult(dataModel.formatTooltip(dataIndex, false, dataType));\n    var orderMode = tooltipModel.get('order');\n    var markupText = seriesTooltipResult.markupFragment ? buildTooltipMarkup(seriesTooltipResult.markupFragment, markupStyleCreator, renderMode, orderMode, ecModel.get('useUTC'), tooltipModel.get('textStyle')) : seriesTooltipResult.markupText;\n    var asyncTicket = 'item_' + dataModel.name + '_' + dataIndex;\n\n    this._showOrMove(tooltipModel, function () {\n      this._showTooltipContent(tooltipModel, markupText, params, asyncTicket, e.offsetX, e.offsetY, e.position, e.target, markupStyleCreator);\n    }); // FIXME\n    // duplicated showtip if manuallyShowTip is called from dispatchAction.\n\n\n    dispatchAction({\n      type: 'showTip',\n      dataIndexInside: dataIndex,\n      dataIndex: data.getRawIndex(dataIndex),\n      seriesIndex: seriesIndex,\n      from: this.uid\n    });\n  };\n\n  TooltipView.prototype._showComponentItemTooltip = function (e, el, dispatchAction) {\n    var ecData = getECData(el);\n    var tooltipConfig = ecData.tooltipConfig;\n    var tooltipOpt = tooltipConfig.option;\n\n    if (zrUtil.isString(tooltipOpt)) {\n      var content = tooltipOpt;\n      tooltipOpt = {\n        content: content,\n        // Fixed formatter\n        formatter: content\n      };\n    }\n\n    var tooltipModelCascade = [tooltipOpt];\n\n    var cmpt = this._ecModel.getComponent(ecData.componentMainType, ecData.componentIndex);\n\n    if (cmpt) {\n      tooltipModelCascade.push(cmpt);\n    }\n\n    var positionDefault = e.positionDefault;\n    var subTooltipModel = buildTooltipModel(tooltipModelCascade, this._tooltipModel, positionDefault ? {\n      position: positionDefault\n    } : null);\n    var defaultHtml = subTooltipModel.get('content');\n    var asyncTicket = Math.random() + ''; // PENDING: this case do not support richText style yet.\n\n    var markupStyleCreator = new TooltipMarkupStyleCreator(); // Do not check whether `trigger` is 'none' here, because `trigger`\n    // only works on coordinate system. In fact, we have not found case\n    // that requires setting `trigger` nothing on component yet.\n\n    this._showOrMove(subTooltipModel, function () {\n      // Use formatterParams from element defined in component\n      // Avoid users modify it.\n      var formatterParams = zrUtil.clone(subTooltipModel.get('formatterParams') || {});\n\n      this._showTooltipContent(subTooltipModel, defaultHtml, formatterParams, asyncTicket, e.offsetX, e.offsetY, e.position, el, markupStyleCreator);\n    }); // If not dispatch showTip, tip may be hide triggered by axis.\n\n\n    dispatchAction({\n      type: 'showTip',\n      from: this.uid\n    });\n  };\n\n  TooltipView.prototype._showTooltipContent = function ( // Use Model<TooltipOption> insteadof TooltipModel because this model may be from series or other options.\n  // Instead of top level tooltip.\n  tooltipModel, defaultHtml, params, asyncTicket, x, y, positionExpr, el, markupStyleCreator) {\n    // Reset ticket\n    this._ticket = '';\n\n    if (!tooltipModel.get('showContent') || !tooltipModel.get('show')) {\n      return;\n    }\n\n    var tooltipContent = this._tooltipContent;\n    var formatter = tooltipModel.get('formatter');\n    positionExpr = positionExpr || tooltipModel.get('position');\n    var html = defaultHtml;\n\n    var nearPoint = this._getNearestPoint([x, y], params, tooltipModel.get('trigger'), tooltipModel.get('borderColor'));\n\n    var nearPointColor = nearPoint.color;\n\n    if (formatter && zrUtil.isString(formatter)) {\n      var useUTC = tooltipModel.ecModel.get('useUTC');\n      var params0 = zrUtil.isArray(params) ? params[0] : params;\n      var isTimeAxis = params0 && params0.axisType && params0.axisType.indexOf('time') >= 0;\n      html = formatter;\n\n      if (isTimeAxis) {\n        html = timeFormat(params0.axisValue, html, useUTC);\n      }\n\n      html = formatUtil.formatTpl(html, params, true);\n    } else if (zrUtil.isFunction(formatter)) {\n      var callback = bind(function (cbTicket, html) {\n        if (cbTicket === this._ticket) {\n          tooltipContent.setContent(html, markupStyleCreator, tooltipModel, nearPointColor, positionExpr);\n\n          this._updatePosition(tooltipModel, positionExpr, x, y, tooltipContent, params, el);\n        }\n      }, this);\n      this._ticket = asyncTicket;\n      html = formatter(params, asyncTicket, callback);\n    }\n\n    tooltipContent.setContent(html, markupStyleCreator, tooltipModel, nearPointColor, positionExpr);\n    tooltipContent.show(tooltipModel, nearPointColor);\n\n    this._updatePosition(tooltipModel, positionExpr, x, y, tooltipContent, params, el);\n  };\n\n  TooltipView.prototype._getNearestPoint = function (point, tooltipDataParams, trigger, borderColor) {\n    if (trigger === 'axis' || zrUtil.isArray(tooltipDataParams)) {\n      return {\n        color: borderColor || (this._renderMode === 'html' ? '#fff' : 'none')\n      };\n    }\n\n    if (!zrUtil.isArray(tooltipDataParams)) {\n      return {\n        color: borderColor || tooltipDataParams.color || tooltipDataParams.borderColor\n      };\n    }\n  };\n\n  TooltipView.prototype._updatePosition = function (tooltipModel, positionExpr, x, // Mouse x\n  y, // Mouse y\n  content, params, el) {\n    var viewWidth = this._api.getWidth();\n\n    var viewHeight = this._api.getHeight();\n\n    positionExpr = positionExpr || tooltipModel.get('position');\n    var contentSize = content.getSize();\n    var align = tooltipModel.get('align');\n    var vAlign = tooltipModel.get('verticalAlign');\n    var rect = el && el.getBoundingRect().clone();\n    el && rect.applyTransform(el.transform);\n\n    if (zrUtil.isFunction(positionExpr)) {\n      // Callback of position can be an array or a string specify the position\n      positionExpr = positionExpr([x, y], params, content.el, rect, {\n        viewSize: [viewWidth, viewHeight],\n        contentSize: contentSize.slice()\n      });\n    }\n\n    if (zrUtil.isArray(positionExpr)) {\n      x = parsePercent(positionExpr[0], viewWidth);\n      y = parsePercent(positionExpr[1], viewHeight);\n    } else if (zrUtil.isObject(positionExpr)) {\n      var boxLayoutPosition = positionExpr;\n      boxLayoutPosition.width = contentSize[0];\n      boxLayoutPosition.height = contentSize[1];\n      var layoutRect = layoutUtil.getLayoutRect(boxLayoutPosition, {\n        width: viewWidth,\n        height: viewHeight\n      });\n      x = layoutRect.x;\n      y = layoutRect.y;\n      align = null; // When positionExpr is left/top/right/bottom,\n      // align and verticalAlign will not work.\n\n      vAlign = null;\n    } // Specify tooltip position by string 'top' 'bottom' 'left' 'right' around graphic element\n    else if (zrUtil.isString(positionExpr) && el) {\n        var pos = calcTooltipPosition(positionExpr, rect, contentSize);\n        x = pos[0];\n        y = pos[1];\n      } else {\n        var pos = refixTooltipPosition(x, y, content, viewWidth, viewHeight, align ? null : 20, vAlign ? null : 20);\n        x = pos[0];\n        y = pos[1];\n      }\n\n    align && (x -= isCenterAlign(align) ? contentSize[0] / 2 : align === 'right' ? contentSize[0] : 0);\n    vAlign && (y -= isCenterAlign(vAlign) ? contentSize[1] / 2 : vAlign === 'bottom' ? contentSize[1] : 0);\n\n    if (shouldTooltipConfine(tooltipModel)) {\n      var pos = confineTooltipPosition(x, y, content, viewWidth, viewHeight);\n      x = pos[0];\n      y = pos[1];\n    }\n\n    content.moveTo(x, y);\n  }; // FIXME\n  // Should we remove this but leave this to user?\n\n\n  TooltipView.prototype._updateContentNotChangedOnAxis = function (dataByCoordSys) {\n    var lastCoordSys = this._lastDataByCoordSys;\n    var contentNotChanged = !!lastCoordSys && lastCoordSys.length === dataByCoordSys.length;\n    contentNotChanged && each(lastCoordSys, function (lastItemCoordSys, indexCoordSys) {\n      var lastDataByAxis = lastItemCoordSys.dataByAxis || [];\n      var thisItemCoordSys = dataByCoordSys[indexCoordSys] || {};\n      var thisDataByAxis = thisItemCoordSys.dataByAxis || [];\n      contentNotChanged = contentNotChanged && lastDataByAxis.length === thisDataByAxis.length;\n      contentNotChanged && each(lastDataByAxis, function (lastItem, indexAxis) {\n        var thisItem = thisDataByAxis[indexAxis] || {};\n        var lastIndices = lastItem.seriesDataIndices || [];\n        var newIndices = thisItem.seriesDataIndices || [];\n        contentNotChanged = contentNotChanged && lastItem.value === thisItem.value && lastItem.axisType === thisItem.axisType && lastItem.axisId === thisItem.axisId && lastIndices.length === newIndices.length;\n        contentNotChanged && each(lastIndices, function (lastIdxItem, j) {\n          var newIdxItem = newIndices[j];\n          contentNotChanged = contentNotChanged && lastIdxItem.seriesIndex === newIdxItem.seriesIndex && lastIdxItem.dataIndex === newIdxItem.dataIndex;\n        });\n      });\n    });\n    this._lastDataByCoordSys = dataByCoordSys;\n    return !!contentNotChanged;\n  };\n\n  TooltipView.prototype._hide = function (dispatchAction) {\n    // Do not directly hideLater here, because this behavior may be prevented\n    // in dispatchAction when showTip is dispatched.\n    // FIXME\n    // duplicated hideTip if manuallyHideTip is called from dispatchAction.\n    this._lastDataByCoordSys = null;\n    dispatchAction({\n      type: 'hideTip',\n      from: this.uid\n    });\n  };\n\n  TooltipView.prototype.dispose = function (ecModel, api) {\n    if (env.node) {\n      return;\n    }\n\n    this._tooltipContent.dispose();\n\n    globalListener.unregister('itemTooltip', api);\n  };\n\n  TooltipView.type = 'tooltip';\n  return TooltipView;\n}(ComponentView);\n/**\n * From top to bottom. (the last one should be globalTooltipModel);\n */\n\n\nfunction buildTooltipModel(modelCascade, globalTooltipModel, defaultTooltipOption) {\n  // Last is always tooltip model.\n  var ecModel = globalTooltipModel.ecModel;\n  var resultModel;\n\n  if (defaultTooltipOption) {\n    resultModel = new Model(defaultTooltipOption, ecModel, ecModel);\n    resultModel = new Model(globalTooltipModel.option, resultModel, ecModel);\n  } else {\n    resultModel = globalTooltipModel;\n  }\n\n  for (var i = modelCascade.length - 1; i >= 0; i--) {\n    var tooltipOpt = modelCascade[i];\n\n    if (tooltipOpt) {\n      if (tooltipOpt instanceof Model) {\n        tooltipOpt = tooltipOpt.get('tooltip', true);\n      } // In each data item tooltip can be simply write:\n      // {\n      //  value: 10,\n      //  tooltip: 'Something you need to know'\n      // }\n\n\n      if (zrUtil.isString(tooltipOpt)) {\n        tooltipOpt = {\n          formatter: tooltipOpt\n        };\n      }\n\n      if (tooltipOpt) {\n        resultModel = new Model(tooltipOpt, resultModel, ecModel);\n      }\n    }\n  }\n\n  return resultModel;\n}\n\nfunction makeDispatchAction(payload, api) {\n  return payload.dispatchAction || zrUtil.bind(api.dispatchAction, api);\n}\n\nfunction refixTooltipPosition(x, y, content, viewWidth, viewHeight, gapH, gapV) {\n  var size = content.getOuterSize();\n  var width = size.width;\n  var height = size.height;\n\n  if (gapH != null) {\n    // Add extra 2 pixels for this case:\n    // At present the \"values\" in defaut tooltip are using CSS `float: right`.\n    // When the right edge of the tooltip box is on the right side of the\n    // viewport, the `float` layout might push the \"values\" to the second line.\n    if (x + width + gapH + 2 > viewWidth) {\n      x -= width + gapH;\n    } else {\n      x += gapH;\n    }\n  }\n\n  if (gapV != null) {\n    if (y + height + gapV > viewHeight) {\n      y -= height + gapV;\n    } else {\n      y += gapV;\n    }\n  }\n\n  return [x, y];\n}\n\nfunction confineTooltipPosition(x, y, content, viewWidth, viewHeight) {\n  var size = content.getOuterSize();\n  var width = size.width;\n  var height = size.height;\n  x = Math.min(x + width, viewWidth) - width;\n  y = Math.min(y + height, viewHeight) - height;\n  x = Math.max(x, 0);\n  y = Math.max(y, 0);\n  return [x, y];\n}\n\nfunction calcTooltipPosition(position, rect, contentSize) {\n  var domWidth = contentSize[0];\n  var domHeight = contentSize[1];\n  var gap = 10;\n  var offset = 5;\n  var x = 0;\n  var y = 0;\n  var rectWidth = rect.width;\n  var rectHeight = rect.height;\n\n  switch (position) {\n    case 'inside':\n      x = rect.x + rectWidth / 2 - domWidth / 2;\n      y = rect.y + rectHeight / 2 - domHeight / 2;\n      break;\n\n    case 'top':\n      x = rect.x + rectWidth / 2 - domWidth / 2;\n      y = rect.y - domHeight - gap;\n      break;\n\n    case 'bottom':\n      x = rect.x + rectWidth / 2 - domWidth / 2;\n      y = rect.y + rectHeight + gap;\n      break;\n\n    case 'left':\n      x = rect.x - domWidth - gap - offset;\n      y = rect.y + rectHeight / 2 - domHeight / 2;\n      break;\n\n    case 'right':\n      x = rect.x + rectWidth + gap + offset;\n      y = rect.y + rectHeight / 2 - domHeight / 2;\n  }\n\n  return [x, y];\n}\n\nfunction isCenterAlign(align) {\n  return align === 'center' || align === 'middle';\n}\n/**\n * Find target component by payload like:\n * ```js\n * { legendId: 'some_id', name: 'xxx' }\n * { toolboxIndex: 1, name: 'xxx' }\n * { geoName: 'some_name', name: 'xxx' }\n * ```\n * PENDING: at present only\n *\n * If not found, return null/undefined.\n */\n\n\nfunction findComponentReference(payload, ecModel, api) {\n  var queryOptionMap = preParseFinder(payload).queryOptionMap;\n  var componentMainType = queryOptionMap.keys()[0];\n\n  if (!componentMainType || componentMainType === 'series') {\n    return;\n  }\n\n  var queryResult = queryReferringComponents(ecModel, componentMainType, queryOptionMap.get(componentMainType), {\n    useDefault: false,\n    enableAll: false,\n    enableNone: false\n  });\n  var model = queryResult.models[0];\n\n  if (!model) {\n    return;\n  }\n\n  var view = api.getViewOfComponentModel(model);\n  var el;\n  view.group.traverse(function (subEl) {\n    var tooltipConfig = getECData(subEl).tooltipConfig;\n\n    if (tooltipConfig && tooltipConfig.name === payload.name) {\n      el = subEl;\n      return true; // stop\n    }\n  });\n\n  if (el) {\n    return {\n      componentMainType: componentMainType,\n      componentIndex: model.componentIndex,\n      el: el\n    };\n  }\n}\n\nexport default TooltipView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { normalizeToArray } from '../../util/model';\nvar DEFAULT_TOOLBOX_BTNS = ['rect', 'polygon', 'keep', 'clear'];\nexport default function brushPreprocessor(option, isNew) {\n  var brushComponents = normalizeToArray(option ? option.brush : []);\n\n  if (!brushComponents.length) {\n    return;\n  }\n\n  var brushComponentSpecifiedBtns = [];\n  zrUtil.each(brushComponents, function (brushOpt) {\n    var tbs = brushOpt.hasOwnProperty('toolbox') ? brushOpt.toolbox : [];\n\n    if (tbs instanceof Array) {\n      brushComponentSpecifiedBtns = brushComponentSpecifiedBtns.concat(tbs);\n    }\n  });\n  var toolbox = option && option.toolbox;\n\n  if (zrUtil.isArray(toolbox)) {\n    toolbox = toolbox[0];\n  }\n\n  if (!toolbox) {\n    toolbox = {\n      feature: {}\n    };\n    option.toolbox = [toolbox];\n  }\n\n  var toolboxFeature = toolbox.feature || (toolbox.feature = {});\n  var toolboxBrush = toolboxFeature.brush || (toolboxFeature.brush = {});\n  var brushTypes = toolboxBrush.type || (toolboxBrush.type = []);\n  brushTypes.push.apply(brushTypes, brushComponentSpecifiedBtns);\n  removeDuplicate(brushTypes);\n\n  if (isNew && !brushTypes.length) {\n    brushTypes.push.apply(brushTypes, DEFAULT_TOOLBOX_BTNS);\n  }\n}\n\nfunction removeDuplicate(arr) {\n  var map = {};\n  zrUtil.each(arr, function (val) {\n    map[val] = 1;\n  });\n  arr.length = 0;\n  zrUtil.each(map, function (flag, val) {\n    arr.push(val);\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * @file Visual solution, for consistent option specification.\n */\nimport * as zrUtil from 'zrender/lib/core/util';\nimport VisualMapping from './VisualMapping';\nimport { getItemVisualFromData, setItemVisualFromData } from './helper';\nvar each = zrUtil.each;\n\nfunction hasKeys(obj) {\n  if (obj) {\n    for (var name_1 in obj) {\n      if (obj.hasOwnProperty(name_1)) {\n        return true;\n      }\n    }\n  }\n}\n\nexport function createVisualMappings(option, stateList, supplementVisualOption) {\n  var visualMappings = {};\n  each(stateList, function (state) {\n    var mappings = visualMappings[state] = createMappings();\n    each(option[state], function (visualData, visualType) {\n      if (!VisualMapping.isValidType(visualType)) {\n        return;\n      }\n\n      var mappingOption = {\n        type: visualType,\n        visual: visualData\n      };\n      supplementVisualOption && supplementVisualOption(mappingOption, state);\n      mappings[visualType] = new VisualMapping(mappingOption); // Prepare a alpha for opacity, for some case that opacity\n      // is not supported, such as rendering using gradient color.\n\n      if (visualType === 'opacity') {\n        mappingOption = zrUtil.clone(mappingOption);\n        mappingOption.type = 'colorAlpha';\n        mappings.__hidden.__alphaForOpacity = new VisualMapping(mappingOption);\n      }\n    });\n  });\n  return visualMappings;\n\n  function createMappings() {\n    var Creater = function () {}; // Make sure hidden fields will not be visited by\n    // object iteration (with hasOwnProperty checking).\n\n\n    Creater.prototype.__hidden = Creater.prototype;\n    var obj = new Creater();\n    return obj;\n  }\n}\nexport function replaceVisualOption(thisOption, newOption, keys) {\n  // Visual attributes merge is not supported, otherwise it\n  // brings overcomplicated merge logic. See #2853. So if\n  // newOption has anyone of these keys, all of these keys\n  // will be reset. Otherwise, all keys remain.\n  var has;\n  zrUtil.each(keys, function (key) {\n    if (newOption.hasOwnProperty(key) && hasKeys(newOption[key])) {\n      has = true;\n    }\n  });\n  has && zrUtil.each(keys, function (key) {\n    if (newOption.hasOwnProperty(key) && hasKeys(newOption[key])) {\n      thisOption[key] = zrUtil.clone(newOption[key]);\n    } else {\n      delete thisOption[key];\n    }\n  });\n}\n/**\n * @param stateList\n * @param visualMappings\n * @param list\n * @param getValueState param: valueOrIndex, return: state.\n * @param scope Scope for getValueState\n * @param dimension Concrete dimension, if used.\n */\n// ???! handle brush?\n\nexport function applyVisual(stateList, visualMappings, data, getValueState, scope, dimension) {\n  var visualTypesMap = {};\n  zrUtil.each(stateList, function (state) {\n    var visualTypes = VisualMapping.prepareVisualTypes(visualMappings[state]);\n    visualTypesMap[state] = visualTypes;\n  });\n  var dataIndex;\n\n  function getVisual(key) {\n    return getItemVisualFromData(data, dataIndex, key);\n  }\n\n  function setVisual(key, value) {\n    setItemVisualFromData(data, dataIndex, key, value);\n  }\n\n  if (dimension == null) {\n    data.each(eachItem);\n  } else {\n    data.each([dimension], eachItem);\n  }\n\n  function eachItem(valueOrIndex, index) {\n    dataIndex = dimension == null ? valueOrIndex // First argument is index\n    : index;\n    var rawDataItem = data.getRawDataItem(dataIndex); // Consider performance\n    // @ts-ignore\n\n    if (rawDataItem && rawDataItem.visualMap === false) {\n      return;\n    }\n\n    var valueState = getValueState.call(scope, valueOrIndex);\n    var mappings = visualMappings[valueState];\n    var visualTypes = visualTypesMap[valueState];\n\n    for (var i = 0, len = visualTypes.length; i < len; i++) {\n      var type = visualTypes[i];\n      mappings[type] && mappings[type].applyVisual(valueOrIndex, getVisual, setVisual);\n    }\n  }\n}\n/**\n * @param data\n * @param stateList\n * @param visualMappings <state, Object.<visualType, module:echarts/visual/VisualMapping>>\n * @param getValueState param: valueOrIndex, return: state.\n * @param dim dimension or dimension index.\n */\n\nexport function incrementalApplyVisual(stateList, visualMappings, getValueState, dim) {\n  var visualTypesMap = {};\n  zrUtil.each(stateList, function (state) {\n    var visualTypes = VisualMapping.prepareVisualTypes(visualMappings[state]);\n    visualTypesMap[state] = visualTypes;\n  });\n  return {\n    progress: function progress(params, data) {\n      var dimName;\n\n      if (dim != null) {\n        dimName = data.getDimension(dim);\n      }\n\n      function getVisual(key) {\n        return getItemVisualFromData(data, dataIndex, key);\n      }\n\n      function setVisual(key, value) {\n        setItemVisualFromData(data, dataIndex, key, value);\n      }\n\n      var dataIndex;\n\n      while ((dataIndex = params.next()) != null) {\n        var rawDataItem = data.getRawDataItem(dataIndex); // Consider performance\n        // @ts-ignore\n\n        if (rawDataItem && rawDataItem.visualMap === false) {\n          continue;\n        }\n\n        var value = dim != null ? data.get(dimName, dataIndex) : dataIndex;\n        var valueState = getValueState(value);\n        var mappings = visualMappings[valueState];\n        var visualTypes = visualTypesMap[valueState];\n\n        for (var i = 0, len = visualTypes.length; i < len; i++) {\n          var type = visualTypes[i];\n          mappings[type] && mappings[type].applyVisual(value, getVisual, setVisual);\n        }\n      }\n    }\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as polygonContain from 'zrender/lib/contain/polygon';\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport { linePolygonIntersect } from '../../util/graphic';\nexport function makeBrushCommonSelectorForSeries(area) {\n  var brushType = area.brushType; // Do not use function binding or curry for performance.\n\n  var selectors = {\n    point: function (itemLayout) {\n      return selector[brushType].point(itemLayout, selectors, area);\n    },\n    rect: function (itemLayout) {\n      return selector[brushType].rect(itemLayout, selectors, area);\n    }\n  };\n  return selectors;\n}\nvar selector = {\n  lineX: getLineSelectors(0),\n  lineY: getLineSelectors(1),\n  rect: {\n    point: function (itemLayout, selectors, area) {\n      return itemLayout && area.boundingRect.contain(itemLayout[0], itemLayout[1]);\n    },\n    rect: function (itemLayout, selectors, area) {\n      return itemLayout && area.boundingRect.intersect(itemLayout);\n    }\n  },\n  polygon: {\n    point: function (itemLayout, selectors, area) {\n      return itemLayout && area.boundingRect.contain(itemLayout[0], itemLayout[1]) && polygonContain.contain(area.range, itemLayout[0], itemLayout[1]);\n    },\n    rect: function (itemLayout, selectors, area) {\n      var points = area.range;\n\n      if (!itemLayout || points.length <= 1) {\n        return false;\n      }\n\n      var x = itemLayout.x;\n      var y = itemLayout.y;\n      var width = itemLayout.width;\n      var height = itemLayout.height;\n      var p = points[0];\n\n      if (polygonContain.contain(points, x, y) || polygonContain.contain(points, x + width, y) || polygonContain.contain(points, x, y + height) || polygonContain.contain(points, x + width, y + height) || BoundingRect.create(itemLayout).contain(p[0], p[1]) || linePolygonIntersect(x, y, x + width, y, points) || linePolygonIntersect(x, y, x, y + height, points) || linePolygonIntersect(x + width, y, x + width, y + height, points) || linePolygonIntersect(x, y + height, x + width, y + height, points)) {\n        return true;\n      }\n    }\n  }\n};\n\nfunction getLineSelectors(xyIndex) {\n  var xy = ['x', 'y'];\n  var wh = ['width', 'height'];\n  return {\n    point: function (itemLayout, selectors, area) {\n      if (itemLayout) {\n        var range = area.range;\n        var p = itemLayout[xyIndex];\n        return inLineRange(p, range);\n      }\n    },\n    rect: function (itemLayout, selectors, area) {\n      if (itemLayout) {\n        var range = area.range;\n        var layoutRange = [itemLayout[xy[xyIndex]], itemLayout[xy[xyIndex]] + itemLayout[wh[xyIndex]]];\n        layoutRange[1] < layoutRange[0] && layoutRange.reverse();\n        return inLineRange(layoutRange[0], range) || inLineRange(layoutRange[1], range) || inLineRange(range[0], layoutRange) || inLineRange(range[1], layoutRange);\n      }\n    }\n  };\n}\n\nfunction inLineRange(p, range) {\n  return range[0] <= p && p <= range[1];\n}\n\nexport default selector;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport * as visualSolution from '../../visual/visualSolution';\nimport { makeBrushCommonSelectorForSeries } from './selector';\nimport * as throttleUtil from '../../util/throttle';\nimport BrushTargetManager from '../helper/BrushTargetManager';\nvar STATE_LIST = ['inBrush', 'outOfBrush'];\nvar DISPATCH_METHOD = '__ecBrushSelect';\nvar DISPATCH_FLAG = '__ecInBrushSelectEvent';\n;\nexport function layoutCovers(ecModel) {\n  ecModel.eachComponent({\n    mainType: 'brush'\n  }, function (brushModel) {\n    var brushTargetManager = brushModel.brushTargetManager = new BrushTargetManager(brushModel.option, ecModel);\n    brushTargetManager.setInputRanges(brushModel.areas, ecModel);\n  });\n}\n/**\n * Register the visual encoding if this modules required.\n */\n\nexport default function brushVisual(ecModel, api, payload) {\n  var brushSelected = [];\n  var throttleType;\n  var throttleDelay;\n  ecModel.eachComponent({\n    mainType: 'brush'\n  }, function (brushModel) {\n    payload && payload.type === 'takeGlobalCursor' && brushModel.setBrushOption(payload.key === 'brush' ? payload.brushOption : {\n      brushType: false\n    });\n  });\n  layoutCovers(ecModel);\n  ecModel.eachComponent({\n    mainType: 'brush'\n  }, function (brushModel, brushIndex) {\n    var thisBrushSelected = {\n      brushId: brushModel.id,\n      brushIndex: brushIndex,\n      brushName: brushModel.name,\n      areas: zrUtil.clone(brushModel.areas),\n      selected: []\n    }; // Every brush component exists in event params, convenient\n    // for user to find by index.\n\n    brushSelected.push(thisBrushSelected);\n    var brushOption = brushModel.option;\n    var brushLink = brushOption.brushLink;\n    var linkedSeriesMap = [];\n    var selectedDataIndexForLink = [];\n    var rangeInfoBySeries = [];\n    var hasBrushExists = false;\n\n    if (!brushIndex) {\n      // Only the first throttle setting works.\n      throttleType = brushOption.throttleType;\n      throttleDelay = brushOption.throttleDelay;\n    } // Add boundingRect and selectors to range.\n\n\n    var areas = zrUtil.map(brushModel.areas, function (area) {\n      var builder = boundingRectBuilders[area.brushType];\n      var selectableArea = zrUtil.defaults({\n        boundingRect: builder ? builder(area) : void 0\n      }, area);\n      selectableArea.selectors = makeBrushCommonSelectorForSeries(selectableArea);\n      return selectableArea;\n    });\n    var visualMappings = visualSolution.createVisualMappings(brushModel.option, STATE_LIST, function (mappingOption) {\n      mappingOption.mappingMethod = 'fixed';\n    });\n    zrUtil.isArray(brushLink) && zrUtil.each(brushLink, function (seriesIndex) {\n      linkedSeriesMap[seriesIndex] = 1;\n    });\n\n    function linkOthers(seriesIndex) {\n      return brushLink === 'all' || !!linkedSeriesMap[seriesIndex];\n    } // If no supported brush or no brush on the series,\n    // all visuals should be in original state.\n\n\n    function brushed(rangeInfoList) {\n      return !!rangeInfoList.length;\n    }\n    /**\n     * Logic for each series: (If the logic has to be modified one day, do it carefully!)\n     *\n     * ( brushed ┬ && ┬hasBrushExist ┬ && linkOthers  ) => StepA: ┬record, ┬ StepB: ┬visualByRecord.\n     *   !brushed┘    ├hasBrushExist ┤                            └nothing,┘        ├visualByRecord.\n     *                └!hasBrushExist┘                                              └nothing.\n     * ( !brushed  && ┬hasBrushExist ┬ && linkOthers  ) => StepA:  nothing,  StepB: ┬visualByRecord.\n     *                └!hasBrushExist┘                                              └nothing.\n     * ( brushed ┬ &&                     !linkOthers ) => StepA:  nothing,  StepB: ┬visualByCheck.\n     *   !brushed┘                                                                  └nothing.\n     * ( !brushed  &&                     !linkOthers ) => StepA:  nothing,  StepB:  nothing.\n     */\n    // Step A\n\n\n    ecModel.eachSeries(function (seriesModel, seriesIndex) {\n      var rangeInfoList = rangeInfoBySeries[seriesIndex] = [];\n      seriesModel.subType === 'parallel' ? stepAParallel(seriesModel, seriesIndex) : stepAOthers(seriesModel, seriesIndex, rangeInfoList);\n    });\n\n    function stepAParallel(seriesModel, seriesIndex) {\n      var coordSys = seriesModel.coordinateSystem;\n      hasBrushExists = hasBrushExists || coordSys.hasAxisBrushed();\n      linkOthers(seriesIndex) && coordSys.eachActiveState(seriesModel.getData(), function (activeState, dataIndex) {\n        activeState === 'active' && (selectedDataIndexForLink[dataIndex] = 1);\n      });\n    }\n\n    function stepAOthers(seriesModel, seriesIndex, rangeInfoList) {\n      if (!seriesModel.brushSelector || brushModelNotControll(brushModel, seriesIndex)) {\n        return;\n      }\n\n      zrUtil.each(areas, function (area) {\n        if (brushModel.brushTargetManager.controlSeries(area, seriesModel, ecModel)) {\n          rangeInfoList.push(area);\n        }\n\n        hasBrushExists = hasBrushExists || brushed(rangeInfoList);\n      });\n\n      if (linkOthers(seriesIndex) && brushed(rangeInfoList)) {\n        var data_1 = seriesModel.getData();\n        data_1.each(function (dataIndex) {\n          if (checkInRange(seriesModel, rangeInfoList, data_1, dataIndex)) {\n            selectedDataIndexForLink[dataIndex] = 1;\n          }\n        });\n      }\n    } // Step B\n\n\n    ecModel.eachSeries(function (seriesModel, seriesIndex) {\n      var seriesBrushSelected = {\n        seriesId: seriesModel.id,\n        seriesIndex: seriesIndex,\n        seriesName: seriesModel.name,\n        dataIndex: []\n      }; // Every series exists in event params, convenient\n      // for user to find series by seriesIndex.\n\n      thisBrushSelected.selected.push(seriesBrushSelected);\n      var rangeInfoList = rangeInfoBySeries[seriesIndex];\n      var data = seriesModel.getData();\n      var getValueState = linkOthers(seriesIndex) ? function (dataIndex) {\n        return selectedDataIndexForLink[dataIndex] ? (seriesBrushSelected.dataIndex.push(data.getRawIndex(dataIndex)), 'inBrush') : 'outOfBrush';\n      } : function (dataIndex) {\n        return checkInRange(seriesModel, rangeInfoList, data, dataIndex) ? (seriesBrushSelected.dataIndex.push(data.getRawIndex(dataIndex)), 'inBrush') : 'outOfBrush';\n      }; // If no supported brush or no brush, all visuals are in original state.\n\n      (linkOthers(seriesIndex) ? hasBrushExists : brushed(rangeInfoList)) && visualSolution.applyVisual(STATE_LIST, visualMappings, data, getValueState);\n    });\n  });\n  dispatchAction(api, throttleType, throttleDelay, brushSelected, payload);\n}\n;\n\nfunction dispatchAction(api, throttleType, throttleDelay, brushSelected, payload) {\n  // This event will not be triggered when `setOpion`, otherwise dead lock may\n  // triggered when do `setOption` in event listener, which we do not find\n  // satisfactory way to solve yet. Some considered resolutions:\n  // (a) Diff with prevoius selected data ant only trigger event when changed.\n  // But store previous data and diff precisely (i.e., not only by dataIndex, but\n  // also detect value changes in selected data) might bring complexity or fragility.\n  // (b) Use spectial param like `silent` to suppress event triggering.\n  // But such kind of volatile param may be weird in `setOption`.\n  if (!payload) {\n    return;\n  }\n\n  var zr = api.getZr();\n\n  if (zr[DISPATCH_FLAG]) {\n    return;\n  }\n\n  if (!zr[DISPATCH_METHOD]) {\n    zr[DISPATCH_METHOD] = doDispatch;\n  }\n\n  var fn = throttleUtil.createOrUpdate(zr, DISPATCH_METHOD, throttleDelay, throttleType);\n  fn(api, brushSelected);\n}\n\nfunction doDispatch(api, brushSelected) {\n  if (!api.isDisposed()) {\n    var zr = api.getZr();\n    zr[DISPATCH_FLAG] = true;\n    api.dispatchAction({\n      type: 'brushSelect',\n      batch: brushSelected\n    });\n    zr[DISPATCH_FLAG] = false;\n  }\n}\n\nfunction checkInRange(seriesModel, rangeInfoList, data, dataIndex) {\n  for (var i = 0, len = rangeInfoList.length; i < len; i++) {\n    var area = rangeInfoList[i];\n\n    if (seriesModel.brushSelector(dataIndex, data, area.selectors, area)) {\n      return true;\n    }\n  }\n}\n\nfunction brushModelNotControll(brushModel, seriesIndex) {\n  var seriesIndices = brushModel.option.seriesIndex;\n  return seriesIndices != null && seriesIndices !== 'all' && (zrUtil.isArray(seriesIndices) ? zrUtil.indexOf(seriesIndices, seriesIndex) < 0 : seriesIndex !== seriesIndices);\n}\n\nvar boundingRectBuilders = {\n  rect: function (area) {\n    return getBoundingRectFromMinMax(area.range);\n  },\n  polygon: function (area) {\n    var minMax;\n    var range = area.range;\n\n    for (var i = 0, len = range.length; i < len; i++) {\n      minMax = minMax || [[Infinity, -Infinity], [Infinity, -Infinity]];\n      var rg = range[i];\n      rg[0] < minMax[0][0] && (minMax[0][0] = rg[0]);\n      rg[0] > minMax[0][1] && (minMax[0][1] = rg[0]);\n      rg[1] < minMax[1][0] && (minMax[1][0] = rg[1]);\n      rg[1] > minMax[1][1] && (minMax[1][1] = rg[1]);\n    }\n\n    return minMax && getBoundingRectFromMinMax(minMax);\n  }\n};\n\nfunction getBoundingRectFromMinMax(minMax) {\n  return new BoundingRect(minMax[0][0], minMax[1][0], minMax[0][1] - minMax[0][0], minMax[1][1] - minMax[1][0]);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport BrushController from '../helper/BrushController';\nimport { layoutCovers } from './visualEncoding';\nimport ComponentView from '../../view/Component';\n\nvar BrushView =\n/** @class */\nfunction (_super) {\n  __extends(BrushView, _super);\n\n  function BrushView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = BrushView.type;\n    return _this;\n  }\n\n  BrushView.prototype.init = function (ecModel, api) {\n    this.ecModel = ecModel;\n    this.api = api;\n    this.model;\n    (this._brushController = new BrushController(api.getZr())).on('brush', zrUtil.bind(this._onBrush, this)).mount();\n  };\n\n  BrushView.prototype.render = function (brushModel, ecModel, api, payload) {\n    this.model = brushModel;\n\n    this._updateController(brushModel, ecModel, api, payload);\n  };\n\n  BrushView.prototype.updateTransform = function (brushModel, ecModel, api, payload) {\n    // PENDING: `updateTransform` is a little tricky, whose layout need\n    // to be calculate mandatorily and other stages will not be performed.\n    // Take care the correctness of the logic. See #11754 .\n    layoutCovers(ecModel);\n\n    this._updateController(brushModel, ecModel, api, payload);\n  };\n\n  BrushView.prototype.updateVisual = function (brushModel, ecModel, api, payload) {\n    this.updateTransform(brushModel, ecModel, api, payload);\n  };\n\n  BrushView.prototype.updateView = function (brushModel, ecModel, api, payload) {\n    this._updateController(brushModel, ecModel, api, payload);\n  };\n\n  BrushView.prototype._updateController = function (brushModel, ecModel, api, payload) {\n    // Do not update controller when drawing.\n    (!payload || payload.$from !== brushModel.id) && this._brushController.setPanels(brushModel.brushTargetManager.makePanelOpts(api)).enableBrush(brushModel.brushOption).updateCovers(brushModel.areas.slice());\n  }; // updateLayout: updateController,\n  // updateVisual: updateController,\n\n\n  BrushView.prototype.dispose = function () {\n    this._brushController.dispose();\n  };\n\n  BrushView.prototype._onBrush = function (eventParam) {\n    var modelId = this.model.id;\n    var areas = this.model.brushTargetManager.setOutputRanges(eventParam.areas, this.ecModel); // Action is not dispatched on drag end, because the drag end\n    // emits the same params with the last drag move event, and\n    // may have some delay when using touch pad, which makes\n    // animation not smooth (when using debounce).\n\n    (!eventParam.isEnd || eventParam.removeOnClick) && this.api.dispatchAction({\n      type: 'brush',\n      brushId: modelId,\n      areas: zrUtil.clone(areas),\n      $from: modelId\n    });\n    eventParam.isEnd && this.api.dispatchAction({\n      type: 'brushEnd',\n      brushId: modelId,\n      areas: zrUtil.clone(areas),\n      $from: modelId\n    });\n  };\n\n  BrushView.type = 'brush';\n  return BrushView;\n}(ComponentView);\n\nexport default BrushView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as visualSolution from '../../visual/visualSolution';\nimport Model from '../../model/Model';\nimport ComponentModel from '../../model/Component';\nvar DEFAULT_OUT_OF_BRUSH_COLOR = '#ddd';\n\nvar BrushModel =\n/** @class */\nfunction (_super) {\n  __extends(BrushModel, _super);\n\n  function BrushModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = BrushModel.type;\n    /**\n     * @readOnly\n     */\n\n    _this.areas = [];\n    /**\n     * Current brush painting area settings.\n     * @readOnly\n     */\n\n    _this.brushOption = {};\n    return _this;\n  }\n\n  BrushModel.prototype.optionUpdated = function (newOption, isInit) {\n    var thisOption = this.option;\n    !isInit && visualSolution.replaceVisualOption(thisOption, newOption, ['inBrush', 'outOfBrush']);\n    var inBrush = thisOption.inBrush = thisOption.inBrush || {}; // Always give default visual, consider setOption at the second time.\n\n    thisOption.outOfBrush = thisOption.outOfBrush || {\n      color: DEFAULT_OUT_OF_BRUSH_COLOR\n    };\n\n    if (!inBrush.hasOwnProperty('liftZ')) {\n      // Bigger than the highlight z lift, otherwise it will\n      // be effected by the highlight z when brush.\n      inBrush.liftZ = 5;\n    }\n  };\n  /**\n   * If `areas` is null/undefined, range state remain.\n   */\n\n\n  BrushModel.prototype.setAreas = function (areas) {\n    if (process.env.NODE_ENV !== 'production') {\n      zrUtil.assert(zrUtil.isArray(areas));\n      zrUtil.each(areas, function (area) {\n        zrUtil.assert(area.brushType, 'Illegal areas');\n      });\n    } // If areas is null/undefined, range state remain.\n    // This helps user to dispatchAction({type: 'brush'}) with no areas\n    // set but just want to get the current brush select info from a `brush` event.\n\n\n    if (!areas) {\n      return;\n    }\n\n    this.areas = zrUtil.map(areas, function (area) {\n      return generateBrushOption(this.option, area);\n    }, this);\n  };\n  /**\n   * Set the current painting brush option.\n   */\n\n\n  BrushModel.prototype.setBrushOption = function (brushOption) {\n    this.brushOption = generateBrushOption(this.option, brushOption);\n    this.brushType = this.brushOption.brushType;\n  };\n\n  BrushModel.type = 'brush';\n  BrushModel.dependencies = ['geo', 'grid', 'xAxis', 'yAxis', 'parallel', 'series'];\n  BrushModel.defaultOption = {\n    seriesIndex: 'all',\n    brushType: 'rect',\n    brushMode: 'single',\n    transformable: true,\n    brushStyle: {\n      borderWidth: 1,\n      color: 'rgba(210,219,238,0.3)',\n      borderColor: '#D2DBEE'\n    },\n    throttleType: 'fixRate',\n    throttleDelay: 0,\n    removeOnClick: true,\n    z: 10000\n  };\n  return BrushModel;\n}(ComponentModel);\n\nfunction generateBrushOption(option, brushOption) {\n  return zrUtil.merge({\n    brushType: option.brushType,\n    brushMode: option.brushMode,\n    transformable: option.transformable,\n    brushStyle: new Model(option.brushStyle).getItemStyle(),\n    removeOnClick: option.removeOnClick,\n    z: option.z\n  }, brushOption, true);\n}\n\nexport default BrushModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { ToolboxFeature } from '../featureManager';\nvar ICON_TYPES = ['rect', 'polygon', 'lineX', 'lineY', 'keep', 'clear'];\n\nvar BrushFeature =\n/** @class */\nfunction (_super) {\n  __extends(BrushFeature, _super);\n\n  function BrushFeature() {\n    return _super !== null && _super.apply(this, arguments) || this;\n  }\n\n  BrushFeature.prototype.render = function (featureModel, ecModel, api) {\n    var brushType;\n    var brushMode;\n    var isBrushed;\n    ecModel.eachComponent({\n      mainType: 'brush'\n    }, function (brushModel) {\n      brushType = brushModel.brushType;\n      brushMode = brushModel.brushOption.brushMode || 'single';\n      isBrushed = isBrushed || !!brushModel.areas.length;\n    });\n    this._brushType = brushType;\n    this._brushMode = brushMode;\n    zrUtil.each(featureModel.get('type', true), function (type) {\n      featureModel.setIconStatus(type, (type === 'keep' ? brushMode === 'multiple' : type === 'clear' ? isBrushed : type === brushType) ? 'emphasis' : 'normal');\n    });\n  };\n\n  BrushFeature.prototype.updateView = function (featureModel, ecModel, api) {\n    this.render(featureModel, ecModel, api);\n  };\n\n  BrushFeature.prototype.getIcons = function () {\n    var model = this.model;\n    var availableIcons = model.get('icon', true);\n    var icons = {};\n    zrUtil.each(model.get('type', true), function (type) {\n      if (availableIcons[type]) {\n        icons[type] = availableIcons[type];\n      }\n    });\n    return icons;\n  };\n\n  ;\n\n  BrushFeature.prototype.onclick = function (ecModel, api, type) {\n    var brushType = this._brushType;\n    var brushMode = this._brushMode;\n\n    if (type === 'clear') {\n      // Trigger parallel action firstly\n      api.dispatchAction({\n        type: 'axisAreaSelect',\n        intervals: []\n      });\n      api.dispatchAction({\n        type: 'brush',\n        command: 'clear',\n        // Clear all areas of all brush components.\n        areas: []\n      });\n    } else {\n      api.dispatchAction({\n        type: 'takeGlobalCursor',\n        key: 'brush',\n        brushOption: {\n          brushType: type === 'keep' ? brushType : brushType === type ? false : type,\n          brushMode: type === 'keep' ? brushMode === 'multiple' ? 'single' : 'multiple' : brushMode\n        }\n      });\n    }\n  };\n\n  ;\n\n  BrushFeature.getDefaultOption = function (ecModel) {\n    var defaultOption = {\n      show: true,\n      type: ICON_TYPES.slice(),\n      icon: {\n        /* eslint-disable */\n        rect: 'M7.3,34.7 M0.4,10V-0.2h9.8 M89.6,10V-0.2h-9.8 M0.4,60v10.2h9.8 M89.6,60v10.2h-9.8 M12.3,22.4V10.5h13.1 M33.6,10.5h7.8 M49.1,10.5h7.8 M77.5,22.4V10.5h-13 M12.3,31.1v8.2 M77.7,31.1v8.2 M12.3,47.6v11.9h13.1 M33.6,59.5h7.6 M49.1,59.5 h7.7 M77.5,47.6v11.9h-13',\n        polygon: 'M55.2,34.9c1.7,0,3.1,1.4,3.1,3.1s-1.4,3.1-3.1,3.1 s-3.1-1.4-3.1-3.1S53.5,34.9,55.2,34.9z M50.4,51c1.7,0,3.1,1.4,3.1,3.1c0,1.7-1.4,3.1-3.1,3.1c-1.7,0-3.1-1.4-3.1-3.1 C47.3,52.4,48.7,51,50.4,51z M55.6,37.1l1.5-7.8 M60.1,13.5l1.6-8.7l-7.8,4 M59,19l-1,5.3 M24,16.1l6.4,4.9l6.4-3.3 M48.5,11.6 l-5.9,3.1 M19.1,12.8L9.7,5.1l1.1,7.7 M13.4,29.8l1,7.3l6.6,1.6 M11.6,18.4l1,6.1 M32.8,41.9 M26.6,40.4 M27.3,40.2l6.1,1.6 M49.9,52.1l-5.6-7.6l-4.9-1.2',\n        lineX: 'M15.2,30 M19.7,15.6V1.9H29 M34.8,1.9H40.4 M55.3,15.6V1.9H45.9 M19.7,44.4V58.1H29 M34.8,58.1H40.4 M55.3,44.4 V58.1H45.9 M12.5,20.3l-9.4,9.6l9.6,9.8 M3.1,29.9h16.5 M62.5,20.3l9.4,9.6L62.3,39.7 M71.9,29.9H55.4',\n        lineY: 'M38.8,7.7 M52.7,12h13.2v9 M65.9,26.6V32 M52.7,46.3h13.2v-9 M24.9,12H11.8v9 M11.8,26.6V32 M24.9,46.3H11.8v-9 M48.2,5.1l-9.3-9l-9.4,9.2 M38.9-3.9V12 M48.2,53.3l-9.3,9l-9.4-9.2 M38.9,62.3V46.4',\n        keep: 'M4,10.5V1h10.3 M20.7,1h6.1 M33,1h6.1 M55.4,10.5V1H45.2 M4,17.3v6.6 M55.6,17.3v6.6 M4,30.5V40h10.3 M20.7,40 h6.1 M33,40h6.1 M55.4,30.5V40H45.2 M21,18.9h62.9v48.6H21V18.9z',\n        clear: 'M22,14.7l30.9,31 M52.9,14.7L22,45.7 M4.7,16.8V4.2h13.1 M26,4.2h7.8 M41.6,4.2h7.8 M70.3,16.8V4.2H57.2 M4.7,25.9v8.6 M70.3,25.9v8.6 M4.7,43.2v12.6h13.1 M26,55.8h7.8 M41.6,55.8h7.8 M70.3,43.2v12.6H57.2' // jshint ignore:line\n\n        /* eslint-enable */\n\n      },\n      // `rect`, `polygon`, `lineX`, `lineY`, `keep`, `clear`\n      title: ecModel.getLocale(['toolbox', 'brush', 'title'])\n    };\n    return defaultOption;\n  };\n\n  return BrushFeature;\n}(ToolboxFeature);\n\nexport default BrushFeature;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport { getECData } from '../../util/innerStore';\nimport { createTextStyle } from '../../label/labelStyle';\nimport { getLayoutRect } from '../../util/layout';\nimport ComponentModel from '../../model/Component';\nimport ComponentView from '../../view/Component';\nimport { windowOpen } from '../../util/format';\n\nvar TitleModel =\n/** @class */\nfunction (_super) {\n  __extends(TitleModel, _super);\n\n  function TitleModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = TitleModel.type;\n    _this.layoutMode = {\n      type: 'box',\n      ignoreSize: true\n    };\n    return _this;\n  }\n\n  TitleModel.type = 'title';\n  TitleModel.defaultOption = {\n    zlevel: 0,\n    z: 6,\n    show: true,\n    text: '',\n    target: 'blank',\n    subtext: '',\n    subtarget: 'blank',\n    left: 0,\n    top: 0,\n    backgroundColor: 'rgba(0,0,0,0)',\n    borderColor: '#ccc',\n    borderWidth: 0,\n    padding: 5,\n    itemGap: 10,\n    textStyle: {\n      fontSize: 18,\n      fontWeight: 'bold',\n      color: '#464646'\n    },\n    subtextStyle: {\n      fontSize: 12,\n      color: '#6E7079'\n    }\n  };\n  return TitleModel;\n}(ComponentModel); // View\n\n\nvar TitleView =\n/** @class */\nfunction (_super) {\n  __extends(TitleView, _super);\n\n  function TitleView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = TitleView.type;\n    return _this;\n  }\n\n  TitleView.prototype.render = function (titleModel, ecModel, api) {\n    this.group.removeAll();\n\n    if (!titleModel.get('show')) {\n      return;\n    }\n\n    var group = this.group;\n    var textStyleModel = titleModel.getModel('textStyle');\n    var subtextStyleModel = titleModel.getModel('subtextStyle');\n    var textAlign = titleModel.get('textAlign');\n    var textVerticalAlign = zrUtil.retrieve2(titleModel.get('textBaseline'), titleModel.get('textVerticalAlign'));\n    var textEl = new graphic.Text({\n      style: createTextStyle(textStyleModel, {\n        text: titleModel.get('text'),\n        fill: textStyleModel.getTextColor()\n      }, {\n        disableBox: true\n      }),\n      z2: 10\n    });\n    var textRect = textEl.getBoundingRect();\n    var subText = titleModel.get('subtext');\n    var subTextEl = new graphic.Text({\n      style: createTextStyle(subtextStyleModel, {\n        text: subText,\n        fill: subtextStyleModel.getTextColor(),\n        y: textRect.height + titleModel.get('itemGap'),\n        verticalAlign: 'top'\n      }, {\n        disableBox: true\n      }),\n      z2: 10\n    });\n    var link = titleModel.get('link');\n    var sublink = titleModel.get('sublink');\n    var triggerEvent = titleModel.get('triggerEvent', true);\n    textEl.silent = !link && !triggerEvent;\n    subTextEl.silent = !sublink && !triggerEvent;\n\n    if (link) {\n      textEl.on('click', function () {\n        windowOpen(link, '_' + titleModel.get('target'));\n      });\n    }\n\n    if (sublink) {\n      subTextEl.on('click', function () {\n        windowOpen(sublink, '_' + titleModel.get('subtarget'));\n      });\n    }\n\n    getECData(textEl).eventData = getECData(subTextEl).eventData = triggerEvent ? {\n      componentType: 'title',\n      componentIndex: titleModel.componentIndex\n    } : null;\n    group.add(textEl);\n    subText && group.add(subTextEl); // If no subText, but add subTextEl, there will be an empty line.\n\n    var groupRect = group.getBoundingRect();\n    var layoutOption = titleModel.getBoxLayoutParams();\n    layoutOption.width = groupRect.width;\n    layoutOption.height = groupRect.height;\n    var layoutRect = getLayoutRect(layoutOption, {\n      width: api.getWidth(),\n      height: api.getHeight()\n    }, titleModel.get('padding')); // Adjust text align based on position\n\n    if (!textAlign) {\n      // Align left if title is on the left. center and right is same\n      textAlign = titleModel.get('left') || titleModel.get('right'); // @ts-ignore\n\n      if (textAlign === 'middle') {\n        textAlign = 'center';\n      } // Adjust layout by text align\n\n\n      if (textAlign === 'right') {\n        layoutRect.x += layoutRect.width;\n      } else if (textAlign === 'center') {\n        layoutRect.x += layoutRect.width / 2;\n      }\n    }\n\n    if (!textVerticalAlign) {\n      textVerticalAlign = titleModel.get('top') || titleModel.get('bottom'); // @ts-ignore\n\n      if (textVerticalAlign === 'center') {\n        textVerticalAlign = 'middle';\n      }\n\n      if (textVerticalAlign === 'bottom') {\n        layoutRect.y += layoutRect.height;\n      } else if (textVerticalAlign === 'middle') {\n        layoutRect.y += layoutRect.height / 2;\n      }\n\n      textVerticalAlign = textVerticalAlign || 'top';\n    }\n\n    group.x = layoutRect.x;\n    group.y = layoutRect.y;\n    group.markRedraw();\n    var alignStyle = {\n      align: textAlign,\n      verticalAlign: textVerticalAlign\n    };\n    textEl.setStyle(alignStyle);\n    subTextEl.setStyle(alignStyle); // Render background\n    // Get groupRect again because textAlign has been changed\n\n    groupRect = group.getBoundingRect();\n    var padding = layoutRect.margin;\n    var style = titleModel.getItemStyle(['color', 'opacity']);\n    style.fill = titleModel.get('backgroundColor');\n    var rect = new graphic.Rect({\n      shape: {\n        x: groupRect.x - padding[3],\n        y: groupRect.y - padding[0],\n        width: groupRect.width + padding[1] + padding[3],\n        height: groupRect.height + padding[0] + padding[2],\n        r: titleModel.get('borderRadius')\n      },\n      style: style,\n      subPixelOptimize: true,\n      silent: true\n    });\n    group.add(rect);\n  };\n\n  TitleView.type = 'title';\n  return TitleView;\n}(ComponentView);\n\nexport function install(registers) {\n  registers.registerComponentModel(TitleModel);\n  registers.registerComponentView(TitleView);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport ComponentModel from '../../model/Component';\nimport List from '../../data/List';\nimport { each, isObject, clone } from 'zrender/lib/core/util';\nimport { convertOptionIdName, getDataItemValue } from '../../util/model';\n\nvar TimelineModel =\n/** @class */\nfunction (_super) {\n  __extends(TimelineModel, _super);\n\n  function TimelineModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = TimelineModel.type;\n    _this.layoutMode = 'box';\n    return _this;\n  }\n  /**\n   * @override\n   */\n\n\n  TimelineModel.prototype.init = function (option, parentModel, ecModel) {\n    this.mergeDefaultAndTheme(option, ecModel);\n\n    this._initData();\n  };\n  /**\n   * @override\n   */\n\n\n  TimelineModel.prototype.mergeOption = function (option) {\n    _super.prototype.mergeOption.apply(this, arguments);\n\n    this._initData();\n  };\n\n  TimelineModel.prototype.setCurrentIndex = function (currentIndex) {\n    if (currentIndex == null) {\n      currentIndex = this.option.currentIndex;\n    }\n\n    var count = this._data.count();\n\n    if (this.option.loop) {\n      currentIndex = (currentIndex % count + count) % count;\n    } else {\n      currentIndex >= count && (currentIndex = count - 1);\n      currentIndex < 0 && (currentIndex = 0);\n    }\n\n    this.option.currentIndex = currentIndex;\n  };\n  /**\n   * @return {number} currentIndex\n   */\n\n\n  TimelineModel.prototype.getCurrentIndex = function () {\n    return this.option.currentIndex;\n  };\n  /**\n   * @return {boolean}\n   */\n\n\n  TimelineModel.prototype.isIndexMax = function () {\n    return this.getCurrentIndex() >= this._data.count() - 1;\n  };\n  /**\n   * @param {boolean} state true: play, false: stop\n   */\n\n\n  TimelineModel.prototype.setPlayState = function (state) {\n    this.option.autoPlay = !!state;\n  };\n  /**\n   * @return {boolean} true: play, false: stop\n   */\n\n\n  TimelineModel.prototype.getPlayState = function () {\n    return !!this.option.autoPlay;\n  };\n  /**\n   * @private\n   */\n\n\n  TimelineModel.prototype._initData = function () {\n    var thisOption = this.option;\n    var dataArr = thisOption.data || [];\n    var axisType = thisOption.axisType;\n    var names = this._names = [];\n    var processedDataArr;\n\n    if (axisType === 'category') {\n      processedDataArr = [];\n      each(dataArr, function (item, index) {\n        var value = convertOptionIdName(getDataItemValue(item), '');\n        var newItem;\n\n        if (isObject(item)) {\n          newItem = clone(item);\n          newItem.value = index;\n        } else {\n          newItem = index;\n        }\n\n        processedDataArr.push(newItem);\n        names.push(value);\n      });\n    } else {\n      processedDataArr = dataArr;\n    }\n\n    var dimType = {\n      category: 'ordinal',\n      time: 'time',\n      value: 'number'\n    }[axisType] || 'number';\n    var data = this._data = new List([{\n      name: 'value',\n      type: dimType\n    }], this);\n    data.initData(processedDataArr, names);\n  };\n\n  TimelineModel.prototype.getData = function () {\n    return this._data;\n  };\n  /**\n   * @public\n   * @return {Array.<string>} categoreis\n   */\n\n\n  TimelineModel.prototype.getCategories = function () {\n    if (this.get('axisType') === 'category') {\n      return this._names.slice();\n    }\n  };\n\n  TimelineModel.type = 'timeline';\n  /**\n   * @protected\n   */\n\n  TimelineModel.defaultOption = {\n    zlevel: 0,\n    z: 4,\n    show: true,\n    axisType: 'time',\n    realtime: true,\n    left: '20%',\n    top: null,\n    right: '20%',\n    bottom: 0,\n    width: null,\n    height: 40,\n    padding: 5,\n    controlPosition: 'left',\n    autoPlay: false,\n    rewind: false,\n    loop: true,\n    playInterval: 2000,\n    currentIndex: 0,\n    itemStyle: {},\n    label: {\n      color: '#000'\n    },\n    data: []\n  };\n  return TimelineModel;\n}(ComponentModel);\n\nexport default TimelineModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport TimelineModel from './TimelineModel';\nimport { DataFormatMixin } from '../../model/mixin/dataFormat';\nimport { mixin } from 'zrender/lib/core/util';\nimport { inheritDefaultOption } from '../../util/component';\n\nvar SliderTimelineModel =\n/** @class */\nfunction (_super) {\n  __extends(SliderTimelineModel, _super);\n\n  function SliderTimelineModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SliderTimelineModel.type;\n    return _this;\n  }\n\n  SliderTimelineModel.type = 'timeline.slider';\n  /**\n   * @protected\n   */\n\n  SliderTimelineModel.defaultOption = inheritDefaultOption(TimelineModel.defaultOption, {\n    backgroundColor: 'rgba(0,0,0,0)',\n    borderColor: '#ccc',\n    borderWidth: 0,\n    orient: 'horizontal',\n    inverse: false,\n    tooltip: {\n      trigger: 'item' // data item may also have tootip attr.\n\n    },\n    symbol: 'circle',\n    symbolSize: 12,\n    lineStyle: {\n      show: true,\n      width: 2,\n      color: '#DAE1F5'\n    },\n    label: {\n      position: 'auto',\n      // When using number, label position is not\n      // restricted by viewRect.\n      // positive: right/bottom, negative: left/top\n      show: true,\n      interval: 'auto',\n      rotate: 0,\n      // formatter: null,\n      // 其余属性默认使用全局文本样式，详见TEXTSTYLE\n      color: '#A4B1D7'\n    },\n    itemStyle: {\n      color: '#A4B1D7',\n      borderWidth: 1\n    },\n    checkpointStyle: {\n      symbol: 'circle',\n      symbolSize: 15,\n      color: '#316bf3',\n      borderColor: '#fff',\n      borderWidth: 2,\n      shadowBlur: 2,\n      shadowOffsetX: 1,\n      shadowOffsetY: 1,\n      shadowColor: 'rgba(0, 0, 0, 0.3)',\n      // borderColor: 'rgba(194,53,49, 0.5)',\n      animation: true,\n      animationDuration: 300,\n      animationEasing: 'quinticInOut'\n    },\n    controlStyle: {\n      show: true,\n      showPlayBtn: true,\n      showPrevBtn: true,\n      showNextBtn: true,\n      itemSize: 24,\n      itemGap: 12,\n      position: 'left',\n      playIcon: 'path://M31.6,53C17.5,53,6,41.5,6,27.4S17.5,1.8,31.6,1.8C45.7,1.8,57.2,13.3,57.2,27.4S45.7,53,31.6,53z M31.6,3.3 C18.4,3.3,7.5,14.1,7.5,27.4c0,13.3,10.8,24.1,24.1,24.1C44.9,51.5,55.7,40.7,55.7,27.4C55.7,14.1,44.9,3.3,31.6,3.3z M24.9,21.3 c0-2.2,1.6-3.1,3.5-2l10.5,6.1c1.899,1.1,1.899,2.9,0,4l-10.5,6.1c-1.9,1.1-3.5,0.2-3.5-2V21.3z',\n      stopIcon: 'path://M30.9,53.2C16.8,53.2,5.3,41.7,5.3,27.6S16.8,2,30.9,2C45,2,56.4,13.5,56.4,27.6S45,53.2,30.9,53.2z M30.9,3.5C17.6,3.5,6.8,14.4,6.8,27.6c0,13.3,10.8,24.1,24.101,24.1C44.2,51.7,55,40.9,55,27.6C54.9,14.4,44.1,3.5,30.9,3.5z M36.9,35.8c0,0.601-0.4,1-0.9,1h-1.3c-0.5,0-0.9-0.399-0.9-1V19.5c0-0.6,0.4-1,0.9-1H36c0.5,0,0.9,0.4,0.9,1V35.8z M27.8,35.8 c0,0.601-0.4,1-0.9,1h-1.3c-0.5,0-0.9-0.399-0.9-1V19.5c0-0.6,0.4-1,0.9-1H27c0.5,0,0.9,0.4,0.9,1L27.8,35.8L27.8,35.8z',\n      nextIcon: 'M2,18.5A1.52,1.52,0,0,1,.92,18a1.49,1.49,0,0,1,0-2.12L7.81,9.36,1,3.11A1.5,1.5,0,1,1,3,.89l8,7.34a1.48,1.48,0,0,1,.49,1.09,1.51,1.51,0,0,1-.46,1.1L3,18.08A1.5,1.5,0,0,1,2,18.5Z',\n      prevIcon: 'M10,.5A1.52,1.52,0,0,1,11.08,1a1.49,1.49,0,0,1,0,2.12L4.19,9.64,11,15.89a1.5,1.5,0,1,1-2,2.22L1,10.77A1.48,1.48,0,0,1,.5,9.68,1.51,1.51,0,0,1,1,8.58L9,.92A1.5,1.5,0,0,1,10,.5Z',\n      prevBtnSize: 18,\n      nextBtnSize: 18,\n      color: '#A4B1D7',\n      borderColor: '#A4B1D7',\n      borderWidth: 1\n    },\n    emphasis: {\n      label: {\n        show: true,\n        // 其余属性默认使用全局文本样式，详见TEXTSTYLE\n        color: '#6f778d'\n      },\n      itemStyle: {\n        color: '#316BF3'\n      },\n      controlStyle: {\n        color: '#316BF3',\n        borderColor: '#316BF3',\n        borderWidth: 2\n      }\n    },\n    progress: {\n      lineStyle: {\n        color: '#316BF3'\n      },\n      itemStyle: {\n        color: '#316BF3'\n      },\n      label: {\n        color: '#6f778d'\n      }\n    },\n    data: []\n  });\n  return SliderTimelineModel;\n}(TimelineModel);\n\nmixin(SliderTimelineModel, DataFormatMixin.prototype);\nexport default SliderTimelineModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport ComponentView from '../../view/Component';\n\nvar TimelineView =\n/** @class */\nfunction (_super) {\n  __extends(TimelineView, _super);\n\n  function TimelineView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = TimelineView.type;\n    return _this;\n  }\n\n  TimelineView.type = 'timeline';\n  return TimelineView;\n}(ComponentView);\n\nexport default TimelineView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport Axis from '../../coord/Axis';\n/**\n * Extend axis 2d\n */\n\nvar TimelineAxis =\n/** @class */\nfunction (_super) {\n  __extends(TimelineAxis, _super);\n\n  function TimelineAxis(dim, scale, coordExtent, axisType) {\n    var _this = _super.call(this, dim, scale, coordExtent) || this;\n\n    _this.type = axisType || 'value';\n    return _this;\n  }\n  /**\n   * @override\n   */\n\n\n  TimelineAxis.prototype.getLabelModel = function () {\n    // Force override\n    return this.model.getModel('label');\n  };\n  /**\n   * @override\n   */\n\n\n  TimelineAxis.prototype.isHorizontal = function () {\n    return this.model.get('orient') === 'horizontal';\n  };\n\n  return TimelineAxis;\n}(Axis);\n\nexport default TimelineAxis;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport * as matrix from 'zrender/lib/core/matrix';\nimport * as graphic from '../../util/graphic';\nimport { createTextStyle } from '../../label/labelStyle';\nimport * as layout from '../../util/layout';\nimport TimelineView from './TimelineView';\nimport TimelineAxis from './TimelineAxis';\nimport { createSymbol } from '../../util/symbol';\nimport * as numberUtil from '../../util/number';\nimport { merge, each, extend, isString, bind, defaults, retrieve2 } from 'zrender/lib/core/util';\nimport OrdinalScale from '../../scale/Ordinal';\nimport TimeScale from '../../scale/Time';\nimport IntervalScale from '../../scale/Interval';\nimport { parsePercent } from 'zrender/lib/contain/text';\nimport { makeInner } from '../../util/model';\nimport { getECData } from '../../util/innerStore';\nimport { enableHoverEmphasis } from '../../util/states';\nimport { createTooltipMarkup } from '../tooltip/tooltipMarkup';\nvar PI = Math.PI;\nvar labelDataIndexStore = makeInner();\n\nvar SliderTimelineView =\n/** @class */\nfunction (_super) {\n  __extends(SliderTimelineView, _super);\n\n  function SliderTimelineView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SliderTimelineView.type;\n    return _this;\n  }\n\n  SliderTimelineView.prototype.init = function (ecModel, api) {\n    this.api = api;\n  };\n  /**\n   * @override\n   */\n\n\n  SliderTimelineView.prototype.render = function (timelineModel, ecModel, api) {\n    this.model = timelineModel;\n    this.api = api;\n    this.ecModel = ecModel;\n    this.group.removeAll();\n\n    if (timelineModel.get('show', true)) {\n      var layoutInfo_1 = this._layout(timelineModel, api);\n\n      var mainGroup_1 = this._createGroup('_mainGroup');\n\n      var labelGroup = this._createGroup('_labelGroup');\n\n      var axis_1 = this._axis = this._createAxis(layoutInfo_1, timelineModel);\n\n      timelineModel.formatTooltip = function (dataIndex) {\n        var name = axis_1.scale.getLabel({\n          value: dataIndex\n        });\n        return createTooltipMarkup('nameValue', {\n          noName: true,\n          value: name\n        });\n      };\n\n      each(['AxisLine', 'AxisTick', 'Control', 'CurrentPointer'], function (name) {\n        this['_render' + name](layoutInfo_1, mainGroup_1, axis_1, timelineModel);\n      }, this);\n\n      this._renderAxisLabel(layoutInfo_1, labelGroup, axis_1, timelineModel);\n\n      this._position(layoutInfo_1, timelineModel);\n    }\n\n    this._doPlayStop();\n\n    this._updateTicksStatus();\n  };\n  /**\n   * @override\n   */\n\n\n  SliderTimelineView.prototype.remove = function () {\n    this._clearTimer();\n\n    this.group.removeAll();\n  };\n  /**\n   * @override\n   */\n\n\n  SliderTimelineView.prototype.dispose = function () {\n    this._clearTimer();\n  };\n\n  SliderTimelineView.prototype._layout = function (timelineModel, api) {\n    var labelPosOpt = timelineModel.get(['label', 'position']);\n    var orient = timelineModel.get('orient');\n    var viewRect = getViewRect(timelineModel, api);\n    var parsedLabelPos; // Auto label offset.\n\n    if (labelPosOpt == null || labelPosOpt === 'auto') {\n      parsedLabelPos = orient === 'horizontal' ? viewRect.y + viewRect.height / 2 < api.getHeight() / 2 ? '-' : '+' : viewRect.x + viewRect.width / 2 < api.getWidth() / 2 ? '+' : '-';\n    } else if (isString(labelPosOpt)) {\n      parsedLabelPos = {\n        horizontal: {\n          top: '-',\n          bottom: '+'\n        },\n        vertical: {\n          left: '-',\n          right: '+'\n        }\n      }[orient][labelPosOpt];\n    } else {\n      // is number\n      parsedLabelPos = labelPosOpt;\n    }\n\n    var labelAlignMap = {\n      horizontal: 'center',\n      vertical: parsedLabelPos >= 0 || parsedLabelPos === '+' ? 'left' : 'right'\n    };\n    var labelBaselineMap = {\n      horizontal: parsedLabelPos >= 0 || parsedLabelPos === '+' ? 'top' : 'bottom',\n      vertical: 'middle'\n    };\n    var rotationMap = {\n      horizontal: 0,\n      vertical: PI / 2\n    }; // Position\n\n    var mainLength = orient === 'vertical' ? viewRect.height : viewRect.width;\n    var controlModel = timelineModel.getModel('controlStyle');\n    var showControl = controlModel.get('show', true);\n    var controlSize = showControl ? controlModel.get('itemSize') : 0;\n    var controlGap = showControl ? controlModel.get('itemGap') : 0;\n    var sizePlusGap = controlSize + controlGap; // Special label rotate.\n\n    var labelRotation = timelineModel.get(['label', 'rotate']) || 0;\n    labelRotation = labelRotation * PI / 180; // To radian.\n\n    var playPosition;\n    var prevBtnPosition;\n    var nextBtnPosition;\n    var controlPosition = controlModel.get('position', true);\n    var showPlayBtn = showControl && controlModel.get('showPlayBtn', true);\n    var showPrevBtn = showControl && controlModel.get('showPrevBtn', true);\n    var showNextBtn = showControl && controlModel.get('showNextBtn', true);\n    var xLeft = 0;\n    var xRight = mainLength; // position[0] means left, position[1] means middle.\n\n    if (controlPosition === 'left' || controlPosition === 'bottom') {\n      showPlayBtn && (playPosition = [0, 0], xLeft += sizePlusGap);\n      showPrevBtn && (prevBtnPosition = [xLeft, 0], xLeft += sizePlusGap);\n      showNextBtn && (nextBtnPosition = [xRight - controlSize, 0], xRight -= sizePlusGap);\n    } else {\n      // 'top' 'right'\n      showPlayBtn && (playPosition = [xRight - controlSize, 0], xRight -= sizePlusGap);\n      showPrevBtn && (prevBtnPosition = [0, 0], xLeft += sizePlusGap);\n      showNextBtn && (nextBtnPosition = [xRight - controlSize, 0], xRight -= sizePlusGap);\n    }\n\n    var axisExtent = [xLeft, xRight];\n\n    if (timelineModel.get('inverse')) {\n      axisExtent.reverse();\n    }\n\n    return {\n      viewRect: viewRect,\n      mainLength: mainLength,\n      orient: orient,\n      rotation: rotationMap[orient],\n      labelRotation: labelRotation,\n      labelPosOpt: parsedLabelPos,\n      labelAlign: timelineModel.get(['label', 'align']) || labelAlignMap[orient],\n      labelBaseline: timelineModel.get(['label', 'verticalAlign']) || timelineModel.get(['label', 'baseline']) || labelBaselineMap[orient],\n      // Based on mainGroup.\n      playPosition: playPosition,\n      prevBtnPosition: prevBtnPosition,\n      nextBtnPosition: nextBtnPosition,\n      axisExtent: axisExtent,\n      controlSize: controlSize,\n      controlGap: controlGap\n    };\n  };\n\n  SliderTimelineView.prototype._position = function (layoutInfo, timelineModel) {\n    // Position is be called finally, because bounding rect is needed for\n    // adapt content to fill viewRect (auto adapt offset).\n    // Timeline may be not all in the viewRect when 'offset' is specified\n    // as a number, because it is more appropriate that label aligns at\n    // 'offset' but not the other edge defined by viewRect.\n    var mainGroup = this._mainGroup;\n    var labelGroup = this._labelGroup;\n    var viewRect = layoutInfo.viewRect;\n\n    if (layoutInfo.orient === 'vertical') {\n      // transform to horizontal, inverse rotate by left-top point.\n      var m = matrix.create();\n      var rotateOriginX = viewRect.x;\n      var rotateOriginY = viewRect.y + viewRect.height;\n      matrix.translate(m, m, [-rotateOriginX, -rotateOriginY]);\n      matrix.rotate(m, m, -PI / 2);\n      matrix.translate(m, m, [rotateOriginX, rotateOriginY]);\n      viewRect = viewRect.clone();\n      viewRect.applyTransform(m);\n    }\n\n    var viewBound = getBound(viewRect);\n    var mainBound = getBound(mainGroup.getBoundingRect());\n    var labelBound = getBound(labelGroup.getBoundingRect());\n    var mainPosition = [mainGroup.x, mainGroup.y];\n    var labelsPosition = [labelGroup.x, labelGroup.y];\n    labelsPosition[0] = mainPosition[0] = viewBound[0][0];\n    var labelPosOpt = layoutInfo.labelPosOpt;\n\n    if (labelPosOpt == null || isString(labelPosOpt)) {\n      // '+' or '-'\n      var mainBoundIdx = labelPosOpt === '+' ? 0 : 1;\n      toBound(mainPosition, mainBound, viewBound, 1, mainBoundIdx);\n      toBound(labelsPosition, labelBound, viewBound, 1, 1 - mainBoundIdx);\n    } else {\n      var mainBoundIdx = labelPosOpt >= 0 ? 0 : 1;\n      toBound(mainPosition, mainBound, viewBound, 1, mainBoundIdx);\n      labelsPosition[1] = mainPosition[1] + labelPosOpt;\n    }\n\n    mainGroup.setPosition(mainPosition);\n    labelGroup.setPosition(labelsPosition);\n    mainGroup.rotation = labelGroup.rotation = layoutInfo.rotation;\n    setOrigin(mainGroup);\n    setOrigin(labelGroup);\n\n    function setOrigin(targetGroup) {\n      targetGroup.originX = viewBound[0][0] - targetGroup.x;\n      targetGroup.originY = viewBound[1][0] - targetGroup.y;\n    }\n\n    function getBound(rect) {\n      // [[xmin, xmax], [ymin, ymax]]\n      return [[rect.x, rect.x + rect.width], [rect.y, rect.y + rect.height]];\n    }\n\n    function toBound(fromPos, from, to, dimIdx, boundIdx) {\n      fromPos[dimIdx] += to[dimIdx][boundIdx] - from[dimIdx][boundIdx];\n    }\n  };\n\n  SliderTimelineView.prototype._createAxis = function (layoutInfo, timelineModel) {\n    var data = timelineModel.getData();\n    var axisType = timelineModel.get('axisType');\n    var scale = createScaleByModel(timelineModel, axisType); // Customize scale. The `tickValue` is `dataIndex`.\n\n    scale.getTicks = function () {\n      return data.mapArray(['value'], function (value) {\n        return {\n          value: value\n        };\n      });\n    };\n\n    var dataExtent = data.getDataExtent('value');\n    scale.setExtent(dataExtent[0], dataExtent[1]);\n    scale.niceTicks();\n    var axis = new TimelineAxis('value', scale, layoutInfo.axisExtent, axisType);\n    axis.model = timelineModel;\n    return axis;\n  };\n\n  SliderTimelineView.prototype._createGroup = function (key) {\n    var newGroup = this[key] = new graphic.Group();\n    this.group.add(newGroup);\n    return newGroup;\n  };\n\n  SliderTimelineView.prototype._renderAxisLine = function (layoutInfo, group, axis, timelineModel) {\n    var axisExtent = axis.getExtent();\n\n    if (!timelineModel.get(['lineStyle', 'show'])) {\n      return;\n    }\n\n    var line = new graphic.Line({\n      shape: {\n        x1: axisExtent[0],\n        y1: 0,\n        x2: axisExtent[1],\n        y2: 0\n      },\n      style: extend({\n        lineCap: 'round'\n      }, timelineModel.getModel('lineStyle').getLineStyle()),\n      silent: true,\n      z2: 1\n    });\n    group.add(line);\n    var progressLine = this._progressLine = new graphic.Line({\n      shape: {\n        x1: axisExtent[0],\n        x2: this._currentPointer ? this._currentPointer.x : axisExtent[0],\n        y1: 0,\n        y2: 0\n      },\n      style: defaults({\n        lineCap: 'round',\n        lineWidth: line.style.lineWidth\n      }, timelineModel.getModel(['progress', 'lineStyle']).getLineStyle()),\n      silent: true,\n      z2: 1\n    });\n    group.add(progressLine);\n  };\n\n  SliderTimelineView.prototype._renderAxisTick = function (layoutInfo, group, axis, timelineModel) {\n    var _this = this;\n\n    var data = timelineModel.getData(); // Show all ticks, despite ignoring strategy.\n\n    var ticks = axis.scale.getTicks();\n    this._tickSymbols = []; // The value is dataIndex, see the costomized scale.\n\n    each(ticks, function (tick) {\n      var tickCoord = axis.dataToCoord(tick.value);\n      var itemModel = data.getItemModel(tick.value);\n      var itemStyleModel = itemModel.getModel('itemStyle');\n      var hoverStyleModel = itemModel.getModel(['emphasis', 'itemStyle']);\n      var progressStyleModel = itemModel.getModel(['progress', 'itemStyle']);\n      var symbolOpt = {\n        x: tickCoord,\n        y: 0,\n        onclick: bind(_this._changeTimeline, _this, tick.value)\n      };\n      var el = giveSymbol(itemModel, itemStyleModel, group, symbolOpt);\n      el.ensureState('emphasis').style = hoverStyleModel.getItemStyle();\n      el.ensureState('progress').style = progressStyleModel.getItemStyle();\n      enableHoverEmphasis(el);\n      var ecData = getECData(el);\n\n      if (itemModel.get('tooltip')) {\n        ecData.dataIndex = tick.value;\n        ecData.dataModel = timelineModel;\n      } else {\n        ecData.dataIndex = ecData.dataModel = null;\n      }\n\n      _this._tickSymbols.push(el);\n    });\n  };\n\n  SliderTimelineView.prototype._renderAxisLabel = function (layoutInfo, group, axis, timelineModel) {\n    var _this = this;\n\n    var labelModel = axis.getLabelModel();\n\n    if (!labelModel.get('show')) {\n      return;\n    }\n\n    var data = timelineModel.getData();\n    var labels = axis.getViewLabels();\n    this._tickLabels = [];\n    each(labels, function (labelItem) {\n      // The tickValue is dataIndex, see the costomized scale.\n      var dataIndex = labelItem.tickValue;\n      var itemModel = data.getItemModel(dataIndex);\n      var normalLabelModel = itemModel.getModel('label');\n      var hoverLabelModel = itemModel.getModel(['emphasis', 'label']);\n      var progressLabelModel = itemModel.getModel(['progress', 'label']);\n      var tickCoord = axis.dataToCoord(labelItem.tickValue);\n      var textEl = new graphic.Text({\n        x: tickCoord,\n        y: 0,\n        rotation: layoutInfo.labelRotation - layoutInfo.rotation,\n        onclick: bind(_this._changeTimeline, _this, dataIndex),\n        silent: false,\n        style: createTextStyle(normalLabelModel, {\n          text: labelItem.formattedLabel,\n          align: layoutInfo.labelAlign,\n          verticalAlign: layoutInfo.labelBaseline\n        })\n      });\n      textEl.ensureState('emphasis').style = createTextStyle(hoverLabelModel);\n      textEl.ensureState('progress').style = createTextStyle(progressLabelModel);\n      group.add(textEl);\n      enableHoverEmphasis(textEl);\n      labelDataIndexStore(textEl).dataIndex = dataIndex;\n\n      _this._tickLabels.push(textEl);\n    });\n  };\n\n  SliderTimelineView.prototype._renderControl = function (layoutInfo, group, axis, timelineModel) {\n    var controlSize = layoutInfo.controlSize;\n    var rotation = layoutInfo.rotation;\n    var itemStyle = timelineModel.getModel('controlStyle').getItemStyle();\n    var hoverStyle = timelineModel.getModel(['emphasis', 'controlStyle']).getItemStyle();\n    var playState = timelineModel.getPlayState();\n    var inverse = timelineModel.get('inverse', true);\n    makeBtn(layoutInfo.nextBtnPosition, 'next', bind(this._changeTimeline, this, inverse ? '-' : '+'));\n    makeBtn(layoutInfo.prevBtnPosition, 'prev', bind(this._changeTimeline, this, inverse ? '+' : '-'));\n    makeBtn(layoutInfo.playPosition, playState ? 'stop' : 'play', bind(this._handlePlayClick, this, !playState), true);\n\n    function makeBtn(position, iconName, onclick, willRotate) {\n      if (!position) {\n        return;\n      }\n\n      var iconSize = parsePercent(retrieve2(timelineModel.get(['controlStyle', iconName + 'BtnSize']), controlSize), controlSize);\n      var rect = [0, -iconSize / 2, iconSize, iconSize];\n      var btn = makeControlIcon(timelineModel, iconName + 'Icon', rect, {\n        x: position[0],\n        y: position[1],\n        originX: controlSize / 2,\n        originY: 0,\n        rotation: willRotate ? -rotation : 0,\n        rectHover: true,\n        style: itemStyle,\n        onclick: onclick\n      });\n      btn.ensureState('emphasis').style = hoverStyle;\n      group.add(btn);\n      enableHoverEmphasis(btn);\n    }\n  };\n\n  SliderTimelineView.prototype._renderCurrentPointer = function (layoutInfo, group, axis, timelineModel) {\n    var data = timelineModel.getData();\n    var currentIndex = timelineModel.getCurrentIndex();\n    var pointerModel = data.getItemModel(currentIndex).getModel('checkpointStyle');\n    var me = this;\n    var callback = {\n      onCreate: function (pointer) {\n        pointer.draggable = true;\n        pointer.drift = bind(me._handlePointerDrag, me);\n        pointer.ondragend = bind(me._handlePointerDragend, me);\n        pointerMoveTo(pointer, me._progressLine, currentIndex, axis, timelineModel, true);\n      },\n      onUpdate: function (pointer) {\n        pointerMoveTo(pointer, me._progressLine, currentIndex, axis, timelineModel);\n      }\n    }; // Reuse when exists, for animation and drag.\n\n    this._currentPointer = giveSymbol(pointerModel, pointerModel, this._mainGroup, {}, this._currentPointer, callback);\n  };\n\n  SliderTimelineView.prototype._handlePlayClick = function (nextState) {\n    this._clearTimer();\n\n    this.api.dispatchAction({\n      type: 'timelinePlayChange',\n      playState: nextState,\n      from: this.uid\n    });\n  };\n\n  SliderTimelineView.prototype._handlePointerDrag = function (dx, dy, e) {\n    this._clearTimer();\n\n    this._pointerChangeTimeline([e.offsetX, e.offsetY]);\n  };\n\n  SliderTimelineView.prototype._handlePointerDragend = function (e) {\n    this._pointerChangeTimeline([e.offsetX, e.offsetY], true);\n  };\n\n  SliderTimelineView.prototype._pointerChangeTimeline = function (mousePos, trigger) {\n    var toCoord = this._toAxisCoord(mousePos)[0];\n\n    var axis = this._axis;\n    var axisExtent = numberUtil.asc(axis.getExtent().slice());\n    toCoord > axisExtent[1] && (toCoord = axisExtent[1]);\n    toCoord < axisExtent[0] && (toCoord = axisExtent[0]);\n    this._currentPointer.x = toCoord;\n\n    this._currentPointer.markRedraw();\n\n    this._progressLine.shape.x2 = toCoord;\n\n    this._progressLine.dirty();\n\n    var targetDataIndex = this._findNearestTick(toCoord);\n\n    var timelineModel = this.model;\n\n    if (trigger || targetDataIndex !== timelineModel.getCurrentIndex() && timelineModel.get('realtime')) {\n      this._changeTimeline(targetDataIndex);\n    }\n  };\n\n  SliderTimelineView.prototype._doPlayStop = function () {\n    var _this = this;\n\n    this._clearTimer();\n\n    if (this.model.getPlayState()) {\n      this._timer = setTimeout(function () {\n        // Do not cache\n        var timelineModel = _this.model;\n\n        _this._changeTimeline(timelineModel.getCurrentIndex() + (timelineModel.get('rewind', true) ? -1 : 1));\n      }, this.model.get('playInterval'));\n    }\n  };\n\n  SliderTimelineView.prototype._toAxisCoord = function (vertex) {\n    var trans = this._mainGroup.getLocalTransform();\n\n    return graphic.applyTransform(vertex, trans, true);\n  };\n\n  SliderTimelineView.prototype._findNearestTick = function (axisCoord) {\n    var data = this.model.getData();\n    var dist = Infinity;\n    var targetDataIndex;\n    var axis = this._axis;\n    data.each(['value'], function (value, dataIndex) {\n      var coord = axis.dataToCoord(value);\n      var d = Math.abs(coord - axisCoord);\n\n      if (d < dist) {\n        dist = d;\n        targetDataIndex = dataIndex;\n      }\n    });\n    return targetDataIndex;\n  };\n\n  SliderTimelineView.prototype._clearTimer = function () {\n    if (this._timer) {\n      clearTimeout(this._timer);\n      this._timer = null;\n    }\n  };\n\n  SliderTimelineView.prototype._changeTimeline = function (nextIndex) {\n    var currentIndex = this.model.getCurrentIndex();\n\n    if (nextIndex === '+') {\n      nextIndex = currentIndex + 1;\n    } else if (nextIndex === '-') {\n      nextIndex = currentIndex - 1;\n    }\n\n    this.api.dispatchAction({\n      type: 'timelineChange',\n      currentIndex: nextIndex,\n      from: this.uid\n    });\n  };\n\n  SliderTimelineView.prototype._updateTicksStatus = function () {\n    var currentIndex = this.model.getCurrentIndex();\n    var tickSymbols = this._tickSymbols;\n    var tickLabels = this._tickLabels;\n\n    if (tickSymbols) {\n      for (var i = 0; i < tickSymbols.length; i++) {\n        tickSymbols && tickSymbols[i] && tickSymbols[i].toggleState('progress', i < currentIndex);\n      }\n    }\n\n    if (tickLabels) {\n      for (var i = 0; i < tickLabels.length; i++) {\n        tickLabels && tickLabels[i] && tickLabels[i].toggleState('progress', labelDataIndexStore(tickLabels[i]).dataIndex <= currentIndex);\n      }\n    }\n  };\n\n  SliderTimelineView.type = 'timeline.slider';\n  return SliderTimelineView;\n}(TimelineView);\n\nfunction createScaleByModel(model, axisType) {\n  axisType = axisType || model.get('type');\n\n  if (axisType) {\n    switch (axisType) {\n      // Buildin scale\n      case 'category':\n        return new OrdinalScale({\n          ordinalMeta: model.getCategories(),\n          extent: [Infinity, -Infinity]\n        });\n\n      case 'time':\n        return new TimeScale({\n          locale: model.ecModel.getLocaleModel(),\n          useUTC: model.ecModel.get('useUTC')\n        });\n\n      default:\n        // default to be value\n        return new IntervalScale();\n    }\n  }\n}\n\nfunction getViewRect(model, api) {\n  return layout.getLayoutRect(model.getBoxLayoutParams(), {\n    width: api.getWidth(),\n    height: api.getHeight()\n  }, model.get('padding'));\n}\n\nfunction makeControlIcon(timelineModel, objPath, rect, opts) {\n  var style = opts.style;\n  var icon = graphic.createIcon(timelineModel.get(['controlStyle', objPath]), opts || {}, new BoundingRect(rect[0], rect[1], rect[2], rect[3])); // TODO createIcon won't use style in opt.\n\n  if (style) {\n    icon.setStyle(style);\n  }\n\n  return icon;\n}\n/**\n * Create symbol or update symbol\n * opt: basic position and event handlers\n */\n\n\nfunction giveSymbol(hostModel, itemStyleModel, group, opt, symbol, callback) {\n  var color = itemStyleModel.get('color');\n\n  if (!symbol) {\n    var symbolType = hostModel.get('symbol');\n    symbol = createSymbol(symbolType, -1, -1, 2, 2, color);\n    symbol.setStyle('strokeNoScale', true);\n    group.add(symbol);\n    callback && callback.onCreate(symbol);\n  } else {\n    symbol.setColor(color);\n    group.add(symbol); // Group may be new, also need to add.\n\n    callback && callback.onUpdate(symbol);\n  } // Style\n\n\n  var itemStyle = itemStyleModel.getItemStyle(['color']);\n  symbol.setStyle(itemStyle); // Transform and events.\n\n  opt = merge({\n    rectHover: true,\n    z2: 100\n  }, opt, true);\n  var symbolSize = hostModel.get('symbolSize');\n  symbolSize = symbolSize instanceof Array ? symbolSize.slice() : [+symbolSize, +symbolSize];\n  opt.scaleX = symbolSize[0] / 2;\n  opt.scaleY = symbolSize[1] / 2;\n  var symbolOffset = hostModel.get('symbolOffset');\n\n  if (symbolOffset) {\n    opt.x = opt.x || 0;\n    opt.y = opt.y || 0;\n    opt.x += numberUtil.parsePercent(symbolOffset[0], symbolSize[0]);\n    opt.y += numberUtil.parsePercent(symbolOffset[1], symbolSize[1]);\n  }\n\n  var symbolRotate = hostModel.get('symbolRotate');\n  opt.rotation = (symbolRotate || 0) * Math.PI / 180 || 0;\n  symbol.attr(opt); // FIXME\n  // (1) When symbol.style.strokeNoScale is true and updateTransform is not performed,\n  // getBoundingRect will return wrong result.\n  // (This is supposed to be resolved in zrender, but it is a little difficult to\n  // leverage performance and auto updateTransform)\n  // (2) All of ancesters of symbol do not scale, so we can just updateTransform symbol.\n\n  symbol.updateTransform();\n  return symbol;\n}\n\nfunction pointerMoveTo(pointer, progressLine, dataIndex, axis, timelineModel, noAnimation) {\n  if (pointer.dragging) {\n    return;\n  }\n\n  var pointerModel = timelineModel.getModel('checkpointStyle');\n  var toCoord = axis.dataToCoord(timelineModel.getData().get('value', dataIndex));\n\n  if (noAnimation || !pointerModel.get('animation', true)) {\n    pointer.attr({\n      x: toCoord,\n      y: 0\n    });\n    progressLine && progressLine.attr({\n      shape: {\n        x2: toCoord\n      }\n    });\n  } else {\n    var animationCfg = {\n      duration: pointerModel.get('animationDuration', true),\n      easing: pointerModel.get('animationEasing', true)\n    };\n    pointer.stopAnimation(null, true);\n    pointer.animateTo({\n      x: toCoord,\n      y: 0\n    }, animationCfg);\n    progressLine && progressLine.animateTo({\n      shape: {\n        x2: toCoord\n      }\n    }, animationCfg);\n  }\n}\n\nexport default SliderTimelineView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// @ts-nocheck\nimport * as zrUtil from 'zrender/lib/core/util';\nexport default function timelinePreprocessor(option) {\n  var timelineOpt = option && option.timeline;\n\n  if (!zrUtil.isArray(timelineOpt)) {\n    timelineOpt = timelineOpt ? [timelineOpt] : [];\n  }\n\n  zrUtil.each(timelineOpt, function (opt) {\n    if (!opt) {\n      return;\n    }\n\n    compatibleEC2(opt);\n  });\n}\n\nfunction compatibleEC2(opt) {\n  var type = opt.type;\n  var ec2Types = {\n    'number': 'value',\n    'time': 'time'\n  }; // Compatible with ec2\n\n  if (ec2Types[type]) {\n    opt.axisType = ec2Types[type];\n    delete opt.type;\n  }\n\n  transferItem(opt);\n\n  if (has(opt, 'controlPosition')) {\n    var controlStyle = opt.controlStyle || (opt.controlStyle = {});\n\n    if (!has(controlStyle, 'position')) {\n      controlStyle.position = opt.controlPosition;\n    }\n\n    if (controlStyle.position === 'none' && !has(controlStyle, 'show')) {\n      controlStyle.show = false;\n      delete controlStyle.position;\n    }\n\n    delete opt.controlPosition;\n  }\n\n  zrUtil.each(opt.data || [], function (dataItem) {\n    if (zrUtil.isObject(dataItem) && !zrUtil.isArray(dataItem)) {\n      if (!has(dataItem, 'value') && has(dataItem, 'name')) {\n        // In ec2, using name as value.\n        dataItem.value = dataItem.name;\n      }\n\n      transferItem(dataItem);\n    }\n  });\n}\n\nfunction transferItem(opt) {\n  var itemStyle = opt.itemStyle || (opt.itemStyle = {});\n  var itemStyleEmphasis = itemStyle.emphasis || (itemStyle.emphasis = {}); // Transfer label out\n\n  var label = opt.label || opt.label || {};\n  var labelNormal = label.normal || (label.normal = {});\n  var excludeLabelAttr = {\n    normal: 1,\n    emphasis: 1\n  };\n  zrUtil.each(label, function (value, name) {\n    if (!excludeLabelAttr[name] && !has(labelNormal, name)) {\n      labelNormal[name] = value;\n    }\n  });\n\n  if (itemStyleEmphasis.label && !has(label, 'emphasis')) {\n    label.emphasis = itemStyleEmphasis.label;\n    delete itemStyleEmphasis.label;\n  }\n}\n\nfunction has(obj, attr) {\n  return obj.hasOwnProperty(attr);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { isArray } from 'zrender/lib/core/util';\nexport default function checkMarkerInSeries(seriesOpts, markerType) {\n  if (!seriesOpts) {\n    return false;\n  }\n\n  var seriesOptArr = isArray(seriesOpts) ? seriesOpts : [seriesOpts];\n\n  for (var idx = 0; idx < seriesOptArr.length; idx++) {\n    if (seriesOptArr[idx] && seriesOptArr[idx][markerType]) {\n      return true;\n    }\n  }\n\n  return false;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport env from 'zrender/lib/core/env';\nimport { DataFormatMixin } from '../../model/mixin/dataFormat';\nimport ComponentModel from '../../model/Component';\nimport { makeInner, defaultEmphasis } from '../../util/model';\nimport { createTooltipMarkup } from '../tooltip/tooltipMarkup';\n\nfunction fillLabel(opt) {\n  defaultEmphasis(opt, 'label', ['show']);\n} // { [componentType]: MarkerModel }\n\n\nvar inner = makeInner();\n\nvar MarkerModel =\n/** @class */\nfunction (_super) {\n  __extends(MarkerModel, _super);\n\n  function MarkerModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = MarkerModel.type;\n    /**\n     * If marker model is created by self from series\n     */\n\n    _this.createdBySelf = false;\n    return _this;\n  }\n  /**\n   * @overrite\n   */\n\n\n  MarkerModel.prototype.init = function (option, parentModel, ecModel) {\n    if (process.env.NODE_ENV !== 'production') {\n      if (this.type === 'marker') {\n        throw new Error('Marker component is abstract component. Use markLine, markPoint, markArea instead.');\n      }\n    }\n\n    this.mergeDefaultAndTheme(option, ecModel);\n\n    this._mergeOption(option, ecModel, false, true);\n  };\n\n  MarkerModel.prototype.isAnimationEnabled = function () {\n    if (env.node) {\n      return false;\n    }\n\n    var hostSeries = this.__hostSeries;\n    return this.getShallow('animation') && hostSeries && hostSeries.isAnimationEnabled();\n  };\n  /**\n   * @overrite\n   */\n\n\n  MarkerModel.prototype.mergeOption = function (newOpt, ecModel) {\n    this._mergeOption(newOpt, ecModel, false, false);\n  };\n\n  MarkerModel.prototype._mergeOption = function (newOpt, ecModel, createdBySelf, isInit) {\n    var componentType = this.mainType;\n\n    if (!createdBySelf) {\n      ecModel.eachSeries(function (seriesModel) {\n        // mainType can be markPoint, markLine, markArea\n        var markerOpt = seriesModel.get(this.mainType, true);\n        var markerModel = inner(seriesModel)[componentType];\n\n        if (!markerOpt || !markerOpt.data) {\n          inner(seriesModel)[componentType] = null;\n          return;\n        }\n\n        if (!markerModel) {\n          if (isInit) {\n            // Default label emphasis `position` and `show`\n            fillLabel(markerOpt);\n          }\n\n          zrUtil.each(markerOpt.data, function (item) {\n            // FIXME Overwrite fillLabel method ?\n            if (item instanceof Array) {\n              fillLabel(item[0]);\n              fillLabel(item[1]);\n            } else {\n              fillLabel(item);\n            }\n          });\n          markerModel = this.createMarkerModelFromSeries(markerOpt, this, ecModel); // markerModel = new ImplementedMarkerModel(\n          //     markerOpt, this, ecModel\n          // );\n\n          zrUtil.extend(markerModel, {\n            mainType: this.mainType,\n            // Use the same series index and name\n            seriesIndex: seriesModel.seriesIndex,\n            name: seriesModel.name,\n            createdBySelf: true\n          });\n          markerModel.__hostSeries = seriesModel;\n        } else {\n          markerModel._mergeOption(markerOpt, ecModel, true);\n        }\n\n        inner(seriesModel)[componentType] = markerModel;\n      }, this);\n    }\n  };\n\n  MarkerModel.prototype.formatTooltip = function (dataIndex, multipleSeries, dataType) {\n    var data = this.getData();\n    var value = this.getRawValue(dataIndex);\n    var itemName = data.getName(dataIndex);\n    return createTooltipMarkup('section', {\n      header: this.name,\n      blocks: [createTooltipMarkup('nameValue', {\n        name: itemName,\n        value: value,\n        noName: !itemName,\n        noValue: value == null\n      })]\n    });\n  };\n\n  MarkerModel.prototype.getData = function () {\n    return this._data;\n  };\n\n  MarkerModel.prototype.setData = function (data) {\n    this._data = data;\n  };\n\n  MarkerModel.getMarkerModelFromSeries = function (seriesModel, // Support three types of markers. Strict check.\n  componentType) {\n    return inner(seriesModel)[componentType];\n  };\n\n  MarkerModel.type = 'marker';\n  MarkerModel.dependencies = ['series', 'grid', 'polar', 'geo'];\n  return MarkerModel;\n}(ComponentModel);\n\nzrUtil.mixin(MarkerModel, DataFormatMixin.prototype);\nexport default MarkerModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport MarkerModel from './MarkerModel';\n\nvar MarkPointModel =\n/** @class */\nfunction (_super) {\n  __extends(MarkPointModel, _super);\n\n  function MarkPointModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = MarkPointModel.type;\n    return _this;\n  }\n\n  MarkPointModel.prototype.createMarkerModelFromSeries = function (markerOpt, masterMarkerModel, ecModel) {\n    return new MarkPointModel(markerOpt, masterMarkerModel, ecModel);\n  };\n\n  MarkPointModel.type = 'markPoint';\n  MarkPointModel.defaultOption = {\n    zlevel: 0,\n    z: 5,\n    symbol: 'pin',\n    symbolSize: 50,\n    //symbolRotate: 0,\n    //symbolOffset: [0, 0]\n    tooltip: {\n      trigger: 'item'\n    },\n    label: {\n      show: true,\n      position: 'inside'\n    },\n    itemStyle: {\n      borderWidth: 2\n    },\n    emphasis: {\n      label: {\n        show: true\n      }\n    }\n  };\n  return MarkPointModel;\n}(MarkerModel);\n\nexport default MarkPointModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as numberUtil from '../../util/number';\nimport { isDimensionStacked } from '../../data/helper/dataStackHelper';\nimport { indexOf, curry, clone, isArray } from 'zrender/lib/core/util';\n\nfunction hasXOrY(item) {\n  return !(isNaN(parseFloat(item.x)) && isNaN(parseFloat(item.y)));\n}\n\nfunction hasXAndY(item) {\n  return !isNaN(parseFloat(item.x)) && !isNaN(parseFloat(item.y));\n} // Make it simple, do not visit all stacked value to count precision.\n// function getPrecision(data, valueAxisDim, dataIndex) {\n//     let precision = -1;\n//     let stackedDim = data.mapDimension(valueAxisDim);\n//     do {\n//         precision = Math.max(\n//             numberUtil.getPrecision(data.get(stackedDim, dataIndex)),\n//             precision\n//         );\n//         let stackedOnSeries = data.getCalculationInfo('stackedOnSeries');\n//         if (stackedOnSeries) {\n//             let byValue = data.get(data.getCalculationInfo('stackedByDimension'), dataIndex);\n//             data = stackedOnSeries.getData();\n//             dataIndex = data.indexOf(data.getCalculationInfo('stackedByDimension'), byValue);\n//             stackedDim = data.getCalculationInfo('stackedDimension');\n//         }\n//         else {\n//             data = null;\n//         }\n//     } while (data);\n//     return precision;\n// }\n\n\nfunction markerTypeCalculatorWithExtent(markerType, data, otherDataDim, targetDataDim, otherCoordIndex, targetCoordIndex) {\n  var coordArr = [];\n  var stacked = isDimensionStacked(data, targetDataDim\n  /*, otherDataDim*/\n  );\n  var calcDataDim = stacked ? data.getCalculationInfo('stackResultDimension') : targetDataDim;\n  var value = numCalculate(data, calcDataDim, markerType);\n  var dataIndex = data.indicesOfNearest(calcDataDim, value)[0];\n  coordArr[otherCoordIndex] = data.get(otherDataDim, dataIndex);\n  coordArr[targetCoordIndex] = data.get(calcDataDim, dataIndex);\n  var coordArrValue = data.get(targetDataDim, dataIndex); // Make it simple, do not visit all stacked value to count precision.\n\n  var precision = numberUtil.getPrecision(data.get(targetDataDim, dataIndex));\n  precision = Math.min(precision, 20);\n\n  if (precision >= 0) {\n    coordArr[targetCoordIndex] = +coordArr[targetCoordIndex].toFixed(precision);\n  }\n\n  return [coordArr, coordArrValue];\n} // TODO Specified percent\n\n\nvar markerTypeCalculator = {\n  min: curry(markerTypeCalculatorWithExtent, 'min'),\n  max: curry(markerTypeCalculatorWithExtent, 'max'),\n  average: curry(markerTypeCalculatorWithExtent, 'average'),\n  median: curry(markerTypeCalculatorWithExtent, 'median')\n};\n/**\n * Transform markPoint data item to format used in List by do the following\n * 1. Calculate statistic like `max`, `min`, `average`\n * 2. Convert `item.xAxis`, `item.yAxis` to `item.coord` array\n * @param  {module:echarts/model/Series} seriesModel\n * @param  {module:echarts/coord/*} [coordSys]\n * @param  {Object} item\n * @return {Object}\n */\n\nexport function dataTransform(seriesModel, item) {\n  var data = seriesModel.getData();\n  var coordSys = seriesModel.coordinateSystem; // 1. If not specify the position with pixel directly\n  // 2. If `coord` is not a data array. Which uses `xAxis`,\n  // `yAxis` to specify the coord on each dimension\n  // parseFloat first because item.x and item.y can be percent string like '20%'\n\n  if (item && !hasXAndY(item) && !isArray(item.coord) && coordSys) {\n    var dims = coordSys.dimensions;\n    var axisInfo = getAxisInfo(item, data, coordSys, seriesModel); // Clone the option\n    // Transform the properties xAxis, yAxis, radiusAxis, angleAxis, geoCoord to value\n\n    item = clone(item);\n\n    if (item.type && markerTypeCalculator[item.type] && axisInfo.baseAxis && axisInfo.valueAxis) {\n      var otherCoordIndex = indexOf(dims, axisInfo.baseAxis.dim);\n      var targetCoordIndex = indexOf(dims, axisInfo.valueAxis.dim);\n      var coordInfo = markerTypeCalculator[item.type](data, axisInfo.baseDataDim, axisInfo.valueDataDim, otherCoordIndex, targetCoordIndex);\n      item.coord = coordInfo[0]; // Force to use the value of calculated value.\n      // let item use the value without stack.\n\n      item.value = coordInfo[1];\n    } else {\n      // FIXME Only has one of xAxis and yAxis.\n      var coord = [item.xAxis != null ? item.xAxis : item.radiusAxis, item.yAxis != null ? item.yAxis : item.angleAxis]; // Each coord support max, min, average\n\n      for (var i = 0; i < 2; i++) {\n        if (markerTypeCalculator[coord[i]]) {\n          coord[i] = numCalculate(data, data.mapDimension(dims[i]), coord[i]);\n        }\n      }\n\n      item.coord = coord;\n    }\n  }\n\n  return item;\n}\nexport function getAxisInfo(item, data, coordSys, seriesModel) {\n  var ret = {};\n\n  if (item.valueIndex != null || item.valueDim != null) {\n    ret.valueDataDim = item.valueIndex != null ? data.getDimension(item.valueIndex) : item.valueDim;\n    ret.valueAxis = coordSys.getAxis(dataDimToCoordDim(seriesModel, ret.valueDataDim));\n    ret.baseAxis = coordSys.getOtherAxis(ret.valueAxis);\n    ret.baseDataDim = data.mapDimension(ret.baseAxis.dim);\n  } else {\n    ret.baseAxis = seriesModel.getBaseAxis();\n    ret.valueAxis = coordSys.getOtherAxis(ret.baseAxis);\n    ret.baseDataDim = data.mapDimension(ret.baseAxis.dim);\n    ret.valueDataDim = data.mapDimension(ret.valueAxis.dim);\n  }\n\n  return ret;\n}\n\nfunction dataDimToCoordDim(seriesModel, dataDim) {\n  var data = seriesModel.getData();\n  var dimensions = data.dimensions;\n  dataDim = data.getDimension(dataDim);\n\n  for (var i = 0; i < dimensions.length; i++) {\n    var dimItem = data.getDimensionInfo(dimensions[i]);\n\n    if (dimItem.name === dataDim) {\n      return dimItem.coordDim;\n    }\n  }\n}\n/**\n * Filter data which is out of coordinateSystem range\n * [dataFilter description]\n */\n\n\nexport function dataFilter( // Currently only polar and cartesian has containData.\ncoordSys, item) {\n  // Alwalys return true if there is no coordSys\n  return coordSys && coordSys.containData && item.coord && !hasXOrY(item) ? coordSys.containData(item.coord) : true;\n}\nexport function dimValueGetter(item, dimName, dataIndex, dimIndex) {\n  // x, y, radius, angle\n  if (dimIndex < 2) {\n    return item.coord && item.coord[dimIndex];\n  }\n\n  return item.value;\n}\nexport function numCalculate(data, valueDataDim, type) {\n  if (type === 'average') {\n    var sum_1 = 0;\n    var count_1 = 0;\n    data.each(valueDataDim, function (val, idx) {\n      if (!isNaN(val)) {\n        sum_1 += val;\n        count_1++;\n      }\n    });\n    return sum_1 / count_1;\n  } else if (type === 'median') {\n    return data.getMedian(valueDataDim);\n  } else {\n    // max & min\n    return data.getDataExtent(valueDataDim)[type === 'max' ? 1 : 0];\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport ComponentView from '../../view/Component';\nimport { createHashMap, each } from 'zrender/lib/core/util';\nimport MarkerModel from './MarkerModel';\nimport { makeInner } from '../../util/model';\nimport { enterBlur } from '../../util/states';\nvar inner = makeInner();\n\nvar MarkerView =\n/** @class */\nfunction (_super) {\n  __extends(MarkerView, _super);\n\n  function MarkerView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = MarkerView.type;\n    return _this;\n  }\n\n  MarkerView.prototype.init = function () {\n    this.markerGroupMap = createHashMap();\n  };\n\n  MarkerView.prototype.render = function (markerModel, ecModel, api) {\n    var _this = this;\n\n    var markerGroupMap = this.markerGroupMap;\n    markerGroupMap.each(function (item) {\n      inner(item).keep = false;\n    });\n    ecModel.eachSeries(function (seriesModel) {\n      var markerModel = MarkerModel.getMarkerModelFromSeries(seriesModel, _this.type);\n      markerModel && _this.renderSeries(seriesModel, markerModel, ecModel, api);\n    });\n    markerGroupMap.each(function (item) {\n      !inner(item).keep && _this.group.remove(item.group);\n    });\n  };\n\n  MarkerView.prototype.markKeep = function (drawGroup) {\n    inner(drawGroup).keep = true;\n  };\n\n  MarkerView.prototype.blurSeries = function (seriesModelList) {\n    var _this = this;\n\n    each(seriesModelList, function (seriesModel) {\n      var markerModel = MarkerModel.getMarkerModelFromSeries(seriesModel, _this.type);\n\n      if (markerModel) {\n        var data = markerModel.getData();\n        data.eachItemGraphicEl(function (el) {\n          if (el) {\n            enterBlur(el);\n          }\n        });\n      }\n    });\n  };\n\n  MarkerView.type = 'marker';\n  return MarkerView;\n}(ComponentView);\n\nexport default MarkerView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport SymbolDraw from '../../chart/helper/SymbolDraw';\nimport * as numberUtil from '../../util/number';\nimport List from '../../data/List';\nimport * as markerHelper from './markerHelper';\nimport MarkerView from './MarkerView';\nimport MarkerModel from './MarkerModel';\nimport { isFunction, map, defaults, filter, curry } from 'zrender/lib/core/util';\nimport { getECData } from '../../util/innerStore';\nimport { getVisualFromData } from '../../visual/helper';\n\nfunction updateMarkerLayout(mpData, seriesModel, api) {\n  var coordSys = seriesModel.coordinateSystem;\n  mpData.each(function (idx) {\n    var itemModel = mpData.getItemModel(idx);\n    var point;\n    var xPx = numberUtil.parsePercent(itemModel.get('x'), api.getWidth());\n    var yPx = numberUtil.parsePercent(itemModel.get('y'), api.getHeight());\n\n    if (!isNaN(xPx) && !isNaN(yPx)) {\n      point = [xPx, yPx];\n    } // Chart like bar may have there own marker positioning logic\n    else if (seriesModel.getMarkerPosition) {\n        // Use the getMarkerPoisition\n        point = seriesModel.getMarkerPosition(mpData.getValues(mpData.dimensions, idx));\n      } else if (coordSys) {\n        var x = mpData.get(coordSys.dimensions[0], idx);\n        var y = mpData.get(coordSys.dimensions[1], idx);\n        point = coordSys.dataToPoint([x, y]);\n      } // Use x, y if has any\n\n\n    if (!isNaN(xPx)) {\n      point[0] = xPx;\n    }\n\n    if (!isNaN(yPx)) {\n      point[1] = yPx;\n    }\n\n    mpData.setItemLayout(idx, point);\n  });\n}\n\nvar MarkPointView =\n/** @class */\nfunction (_super) {\n  __extends(MarkPointView, _super);\n\n  function MarkPointView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = MarkPointView.type;\n    return _this;\n  }\n\n  MarkPointView.prototype.updateTransform = function (markPointModel, ecModel, api) {\n    ecModel.eachSeries(function (seriesModel) {\n      var mpModel = MarkerModel.getMarkerModelFromSeries(seriesModel, 'markPoint');\n\n      if (mpModel) {\n        updateMarkerLayout(mpModel.getData(), seriesModel, api);\n        this.markerGroupMap.get(seriesModel.id).updateLayout();\n      }\n    }, this);\n  };\n\n  MarkPointView.prototype.renderSeries = function (seriesModel, mpModel, ecModel, api) {\n    var coordSys = seriesModel.coordinateSystem;\n    var seriesId = seriesModel.id;\n    var seriesData = seriesModel.getData();\n    var symbolDrawMap = this.markerGroupMap;\n    var symbolDraw = symbolDrawMap.get(seriesId) || symbolDrawMap.set(seriesId, new SymbolDraw());\n    var mpData = createList(coordSys, seriesModel, mpModel); // FIXME\n\n    mpModel.setData(mpData);\n    updateMarkerLayout(mpModel.getData(), seriesModel, api);\n    mpData.each(function (idx) {\n      var itemModel = mpData.getItemModel(idx);\n      var symbol = itemModel.getShallow('symbol');\n      var symbolSize = itemModel.getShallow('symbolSize');\n      var symbolRotate = itemModel.getShallow('symbolRotate');\n\n      if (isFunction(symbol) || isFunction(symbolSize) || isFunction(symbolRotate)) {\n        var rawIdx = mpModel.getRawValue(idx);\n        var dataParams = mpModel.getDataParams(idx);\n\n        if (isFunction(symbol)) {\n          symbol = symbol(rawIdx, dataParams);\n        }\n\n        if (isFunction(symbolSize)) {\n          // FIXME 这里不兼容 ECharts 2.x，2.x 貌似参数是整个数据？\n          symbolSize = symbolSize(rawIdx, dataParams);\n        }\n\n        if (isFunction(symbolRotate)) {\n          symbolRotate = symbolRotate(rawIdx, dataParams);\n        }\n      }\n\n      var style = itemModel.getModel('itemStyle').getItemStyle();\n      var color = getVisualFromData(seriesData, 'color');\n\n      if (!style.fill) {\n        style.fill = color;\n      }\n\n      mpData.setItemVisual(idx, {\n        symbol: symbol,\n        symbolSize: symbolSize,\n        symbolRotate: symbolRotate,\n        style: style\n      });\n    }); // TODO Text are wrong\n\n    symbolDraw.updateData(mpData);\n    this.group.add(symbolDraw.group); // Set host model for tooltip\n    // FIXME\n\n    mpData.eachItemGraphicEl(function (el) {\n      el.traverse(function (child) {\n        getECData(child).dataModel = mpModel;\n      });\n    });\n    this.markKeep(symbolDraw);\n    symbolDraw.group.silent = mpModel.get('silent') || seriesModel.get('silent');\n  };\n\n  MarkPointView.type = 'markPoint';\n  return MarkPointView;\n}(MarkerView);\n\nfunction createList(coordSys, seriesModel, mpModel) {\n  var coordDimsInfos;\n\n  if (coordSys) {\n    coordDimsInfos = map(coordSys && coordSys.dimensions, function (coordDim) {\n      var info = seriesModel.getData().getDimensionInfo(seriesModel.getData().mapDimension(coordDim)) || {}; // In map series data don't have lng and lat dimension. Fallback to same with coordSys\n\n      return defaults({\n        name: coordDim\n      }, info);\n    });\n  } else {\n    coordDimsInfos = [{\n      name: 'value',\n      type: 'float'\n    }];\n  }\n\n  var mpData = new List(coordDimsInfos, mpModel);\n  var dataOpt = map(mpModel.get('data'), curry(markerHelper.dataTransform, seriesModel));\n\n  if (coordSys) {\n    dataOpt = filter(dataOpt, curry(markerHelper.dataFilter, coordSys));\n  }\n\n  mpData.initData(dataOpt, null, coordSys ? markerHelper.dimValueGetter : function (item) {\n    return item.value;\n  });\n  return mpData;\n}\n\nexport default MarkPointView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport MarkerModel from './MarkerModel';\n\nvar MarkLineModel =\n/** @class */\nfunction (_super) {\n  __extends(MarkLineModel, _super);\n\n  function MarkLineModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = MarkLineModel.type;\n    return _this;\n  }\n\n  MarkLineModel.prototype.createMarkerModelFromSeries = function (markerOpt, masterMarkerModel, ecModel) {\n    return new MarkLineModel(markerOpt, masterMarkerModel, ecModel);\n  };\n\n  MarkLineModel.type = 'markLine';\n  MarkLineModel.defaultOption = {\n    zlevel: 0,\n    z: 5,\n    symbol: ['circle', 'arrow'],\n    symbolSize: [8, 16],\n    //symbolRotate: 0,\n    symbolOffset: 0,\n    precision: 2,\n    tooltip: {\n      trigger: 'item'\n    },\n    label: {\n      show: true,\n      position: 'end',\n      distance: 5\n    },\n    lineStyle: {\n      type: 'dashed'\n    },\n    emphasis: {\n      label: {\n        show: true\n      },\n      lineStyle: {\n        width: 3\n      }\n    },\n    animationEasing: 'linear'\n  };\n  return MarkLineModel;\n}(MarkerModel);\n\nexport default MarkLineModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport List from '../../data/List';\nimport * as numberUtil from '../../util/number';\nimport * as markerHelper from './markerHelper';\nimport LineDraw from '../../chart/helper/LineDraw';\nimport MarkerView from './MarkerView';\nimport { getStackedDimension } from '../../data/helper/dataStackHelper';\nimport { isCoordinateSystemType } from '../../coord/CoordinateSystem';\nimport { getECData } from '../../util/innerStore';\nimport MarkerModel from './MarkerModel';\nimport { isArray, retrieve, retrieve2, clone, extend, logError, merge, map, defaults, curry, filter } from 'zrender/lib/core/util';\nimport { makeInner } from '../../util/model';\nimport { getVisualFromData } from '../../visual/helper';\nvar inner = makeInner();\n\nvar markLineTransform = function (seriesModel, coordSys, mlModel, item) {\n  var data = seriesModel.getData();\n  var itemArray;\n\n  if (!isArray(item)) {\n    // Special type markLine like 'min', 'max', 'average', 'median'\n    var mlType = item.type;\n\n    if (mlType === 'min' || mlType === 'max' || mlType === 'average' || mlType === 'median' // In case\n    // data: [{\n    //   yAxis: 10\n    // }]\n    || item.xAxis != null || item.yAxis != null) {\n      var valueAxis = void 0;\n      var value = void 0;\n\n      if (item.yAxis != null || item.xAxis != null) {\n        valueAxis = coordSys.getAxis(item.yAxis != null ? 'y' : 'x');\n        value = retrieve(item.yAxis, item.xAxis);\n      } else {\n        var axisInfo = markerHelper.getAxisInfo(item, data, coordSys, seriesModel);\n        valueAxis = axisInfo.valueAxis;\n        var valueDataDim = getStackedDimension(data, axisInfo.valueDataDim);\n        value = markerHelper.numCalculate(data, valueDataDim, mlType);\n      }\n\n      var valueIndex = valueAxis.dim === 'x' ? 0 : 1;\n      var baseIndex = 1 - valueIndex; // Normized to 2d data with start and end point\n\n      var mlFrom = clone(item);\n      var mlTo = {\n        coord: []\n      };\n      mlFrom.type = null;\n      mlFrom.coord = [];\n      mlFrom.coord[baseIndex] = -Infinity;\n      mlTo.coord[baseIndex] = Infinity;\n      var precision = mlModel.get('precision');\n\n      if (precision >= 0 && typeof value === 'number') {\n        value = +value.toFixed(Math.min(precision, 20));\n      }\n\n      mlFrom.coord[valueIndex] = mlTo.coord[valueIndex] = value;\n      itemArray = [mlFrom, mlTo, {\n        type: mlType,\n        valueIndex: item.valueIndex,\n        // Force to use the value of calculated value.\n        value: value\n      }];\n    } else {\n      // Invalid data\n      if (process.env.NODE_ENV !== 'production') {\n        logError('Invalid markLine data.');\n      }\n\n      itemArray = [];\n    }\n  } else {\n    itemArray = item;\n  }\n\n  var normalizedItem = [markerHelper.dataTransform(seriesModel, itemArray[0]), markerHelper.dataTransform(seriesModel, itemArray[1]), extend({}, itemArray[2])]; // Avoid line data type is extended by from(to) data type\n\n  normalizedItem[2].type = normalizedItem[2].type || null; // Merge from option and to option into line option\n\n  merge(normalizedItem[2], normalizedItem[0]);\n  merge(normalizedItem[2], normalizedItem[1]);\n  return normalizedItem;\n};\n\nfunction isInifinity(val) {\n  return !isNaN(val) && !isFinite(val);\n} // If a markLine has one dim\n\n\nfunction ifMarkLineHasOnlyDim(dimIndex, fromCoord, toCoord, coordSys) {\n  var otherDimIndex = 1 - dimIndex;\n  var dimName = coordSys.dimensions[dimIndex];\n  return isInifinity(fromCoord[otherDimIndex]) && isInifinity(toCoord[otherDimIndex]) && fromCoord[dimIndex] === toCoord[dimIndex] && coordSys.getAxis(dimName).containData(fromCoord[dimIndex]);\n}\n\nfunction markLineFilter(coordSys, item) {\n  if (coordSys.type === 'cartesian2d') {\n    var fromCoord = item[0].coord;\n    var toCoord = item[1].coord; // In case\n    // {\n    //  markLine: {\n    //    data: [{ yAxis: 2 }]\n    //  }\n    // }\n\n    if (fromCoord && toCoord && (ifMarkLineHasOnlyDim(1, fromCoord, toCoord, coordSys) || ifMarkLineHasOnlyDim(0, fromCoord, toCoord, coordSys))) {\n      return true;\n    }\n  }\n\n  return markerHelper.dataFilter(coordSys, item[0]) && markerHelper.dataFilter(coordSys, item[1]);\n}\n\nfunction updateSingleMarkerEndLayout(data, idx, isFrom, seriesModel, api) {\n  var coordSys = seriesModel.coordinateSystem;\n  var itemModel = data.getItemModel(idx);\n  var point;\n  var xPx = numberUtil.parsePercent(itemModel.get('x'), api.getWidth());\n  var yPx = numberUtil.parsePercent(itemModel.get('y'), api.getHeight());\n\n  if (!isNaN(xPx) && !isNaN(yPx)) {\n    point = [xPx, yPx];\n  } else {\n    // Chart like bar may have there own marker positioning logic\n    if (seriesModel.getMarkerPosition) {\n      // Use the getMarkerPoisition\n      point = seriesModel.getMarkerPosition(data.getValues(data.dimensions, idx));\n    } else {\n      var dims = coordSys.dimensions;\n      var x = data.get(dims[0], idx);\n      var y = data.get(dims[1], idx);\n      point = coordSys.dataToPoint([x, y]);\n    } // Expand line to the edge of grid if value on one axis is Inifnity\n    // In case\n    //  markLine: {\n    //    data: [{\n    //      yAxis: 2\n    //      // or\n    //      type: 'average'\n    //    }]\n    //  }\n\n\n    if (isCoordinateSystemType(coordSys, 'cartesian2d')) {\n      // TODO: TYPE ts@4.1 may still infer it as Axis instead of Axis2D. Not sure if it's a bug\n      var xAxis = coordSys.getAxis('x');\n      var yAxis = coordSys.getAxis('y');\n      var dims = coordSys.dimensions;\n\n      if (isInifinity(data.get(dims[0], idx))) {\n        point[0] = xAxis.toGlobalCoord(xAxis.getExtent()[isFrom ? 0 : 1]);\n      } else if (isInifinity(data.get(dims[1], idx))) {\n        point[1] = yAxis.toGlobalCoord(yAxis.getExtent()[isFrom ? 0 : 1]);\n      }\n    } // Use x, y if has any\n\n\n    if (!isNaN(xPx)) {\n      point[0] = xPx;\n    }\n\n    if (!isNaN(yPx)) {\n      point[1] = yPx;\n    }\n  }\n\n  data.setItemLayout(idx, point);\n}\n\nvar MarkLineView =\n/** @class */\nfunction (_super) {\n  __extends(MarkLineView, _super);\n\n  function MarkLineView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = MarkLineView.type;\n    return _this;\n  }\n\n  MarkLineView.prototype.updateTransform = function (markLineModel, ecModel, api) {\n    ecModel.eachSeries(function (seriesModel) {\n      var mlModel = MarkerModel.getMarkerModelFromSeries(seriesModel, 'markLine');\n\n      if (mlModel) {\n        var mlData_1 = mlModel.getData();\n        var fromData_1 = inner(mlModel).from;\n        var toData_1 = inner(mlModel).to; // Update visual and layout of from symbol and to symbol\n\n        fromData_1.each(function (idx) {\n          updateSingleMarkerEndLayout(fromData_1, idx, true, seriesModel, api);\n          updateSingleMarkerEndLayout(toData_1, idx, false, seriesModel, api);\n        }); // Update layout of line\n\n        mlData_1.each(function (idx) {\n          mlData_1.setItemLayout(idx, [fromData_1.getItemLayout(idx), toData_1.getItemLayout(idx)]);\n        });\n        this.markerGroupMap.get(seriesModel.id).updateLayout();\n      }\n    }, this);\n  };\n\n  MarkLineView.prototype.renderSeries = function (seriesModel, mlModel, ecModel, api) {\n    var coordSys = seriesModel.coordinateSystem;\n    var seriesId = seriesModel.id;\n    var seriesData = seriesModel.getData();\n    var lineDrawMap = this.markerGroupMap;\n    var lineDraw = lineDrawMap.get(seriesId) || lineDrawMap.set(seriesId, new LineDraw());\n    this.group.add(lineDraw.group);\n    var mlData = createList(coordSys, seriesModel, mlModel);\n    var fromData = mlData.from;\n    var toData = mlData.to;\n    var lineData = mlData.line;\n    inner(mlModel).from = fromData;\n    inner(mlModel).to = toData; // Line data for tooltip and formatter\n\n    mlModel.setData(lineData);\n    var symbolType = mlModel.get('symbol');\n    var symbolSize = mlModel.get('symbolSize');\n    var symbolRotate = mlModel.get('symbolRotate');\n    var symbolOffset = mlModel.get('symbolOffset');\n\n    if (!isArray(symbolType)) {\n      symbolType = [symbolType, symbolType];\n    }\n\n    if (!isArray(symbolSize)) {\n      symbolSize = [symbolSize, symbolSize];\n    }\n\n    if (!isArray(symbolRotate)) {\n      symbolRotate = [symbolRotate, symbolRotate];\n    }\n\n    if (!isArray(symbolOffset)) {\n      symbolOffset = [symbolOffset, symbolOffset];\n    } // Update visual and layout of from symbol and to symbol\n\n\n    mlData.from.each(function (idx) {\n      updateDataVisualAndLayout(fromData, idx, true);\n      updateDataVisualAndLayout(toData, idx, false);\n    }); // Update visual and layout of line\n\n    lineData.each(function (idx) {\n      var lineStyle = lineData.getItemModel(idx).getModel('lineStyle').getLineStyle(); // lineData.setItemVisual(idx, {\n      //     color: lineColor || fromData.getItemVisual(idx, 'color')\n      // });\n\n      lineData.setItemLayout(idx, [fromData.getItemLayout(idx), toData.getItemLayout(idx)]);\n\n      if (lineStyle.stroke == null) {\n        lineStyle.stroke = fromData.getItemVisual(idx, 'style').fill;\n      }\n\n      lineData.setItemVisual(idx, {\n        fromSymbolKeepAspect: fromData.getItemVisual(idx, 'symbolKeepAspect'),\n        fromSymbolOffset: fromData.getItemVisual(idx, 'symbolOffset'),\n        fromSymbolRotate: fromData.getItemVisual(idx, 'symbolRotate'),\n        fromSymbolSize: fromData.getItemVisual(idx, 'symbolSize'),\n        fromSymbol: fromData.getItemVisual(idx, 'symbol'),\n        toSymbolKeepAspect: toData.getItemVisual(idx, 'symbolKeepAspect'),\n        toSymbolOffset: toData.getItemVisual(idx, 'symbolOffset'),\n        toSymbolRotate: toData.getItemVisual(idx, 'symbolRotate'),\n        toSymbolSize: toData.getItemVisual(idx, 'symbolSize'),\n        toSymbol: toData.getItemVisual(idx, 'symbol'),\n        style: lineStyle\n      });\n    });\n    lineDraw.updateData(lineData); // Set host model for tooltip\n    // FIXME\n\n    mlData.line.eachItemGraphicEl(function (el, idx) {\n      el.traverse(function (child) {\n        getECData(child).dataModel = mlModel;\n      });\n    });\n\n    function updateDataVisualAndLayout(data, idx, isFrom) {\n      var itemModel = data.getItemModel(idx);\n      updateSingleMarkerEndLayout(data, idx, isFrom, seriesModel, api);\n      var style = itemModel.getModel('itemStyle').getItemStyle();\n\n      if (style.fill == null) {\n        style.fill = getVisualFromData(seriesData, 'color');\n      }\n\n      data.setItemVisual(idx, {\n        symbolKeepAspect: itemModel.get('symbolKeepAspect'),\n        // `0` should be considered as a valid value, so use `retrieve2` instead of `||`\n        symbolOffset: retrieve2(itemModel.get('symbolOffset'), symbolOffset[isFrom ? 0 : 1]),\n        symbolRotate: retrieve2(itemModel.get('symbolRotate', true), symbolRotate[isFrom ? 0 : 1]),\n        symbolSize: retrieve2(itemModel.get('symbolSize'), symbolSize[isFrom ? 0 : 1]),\n        symbol: retrieve2(itemModel.get('symbol', true), symbolType[isFrom ? 0 : 1]),\n        style: style\n      });\n    }\n\n    this.markKeep(lineDraw);\n    lineDraw.group.silent = mlModel.get('silent') || seriesModel.get('silent');\n  };\n\n  MarkLineView.type = 'markLine';\n  return MarkLineView;\n}(MarkerView);\n\nfunction createList(coordSys, seriesModel, mlModel) {\n  var coordDimsInfos;\n\n  if (coordSys) {\n    coordDimsInfos = map(coordSys && coordSys.dimensions, function (coordDim) {\n      var info = seriesModel.getData().getDimensionInfo(seriesModel.getData().mapDimension(coordDim)) || {}; // In map series data don't have lng and lat dimension. Fallback to same with coordSys\n\n      return defaults({\n        name: coordDim\n      }, info);\n    });\n  } else {\n    coordDimsInfos = [{\n      name: 'value',\n      type: 'float'\n    }];\n  }\n\n  var fromData = new List(coordDimsInfos, mlModel);\n  var toData = new List(coordDimsInfos, mlModel); // No dimensions\n\n  var lineData = new List([], mlModel);\n  var optData = map(mlModel.get('data'), curry(markLineTransform, seriesModel, coordSys, mlModel));\n\n  if (coordSys) {\n    optData = filter(optData, curry(markLineFilter, coordSys));\n  }\n\n  var dimValueGetter = coordSys ? markerHelper.dimValueGetter : function (item) {\n    return item.value;\n  };\n  fromData.initData(map(optData, function (item) {\n    return item[0];\n  }), null, dimValueGetter);\n  toData.initData(map(optData, function (item) {\n    return item[1];\n  }), null, dimValueGetter);\n  lineData.initData(map(optData, function (item) {\n    return item[2];\n  }));\n  lineData.hasItemOption = true;\n  return {\n    from: fromData,\n    to: toData,\n    line: lineData\n  };\n}\n\nexport default MarkLineView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport MarkerModel from './MarkerModel';\n\nvar MarkAreaModel =\n/** @class */\nfunction (_super) {\n  __extends(MarkAreaModel, _super);\n\n  function MarkAreaModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = MarkAreaModel.type;\n    return _this;\n  }\n\n  MarkAreaModel.prototype.createMarkerModelFromSeries = function (markerOpt, masterMarkerModel, ecModel) {\n    return new MarkAreaModel(markerOpt, masterMarkerModel, ecModel);\n  };\n\n  MarkAreaModel.type = 'markArea';\n  MarkAreaModel.defaultOption = {\n    zlevel: 0,\n    // PENDING\n    z: 1,\n    tooltip: {\n      trigger: 'item'\n    },\n    // markArea should fixed on the coordinate system\n    animation: false,\n    label: {\n      show: true,\n      position: 'top'\n    },\n    itemStyle: {\n      // color and borderColor default to use color from series\n      // color: 'auto'\n      // borderColor: 'auto'\n      borderWidth: 0\n    },\n    emphasis: {\n      label: {\n        show: true,\n        position: 'top'\n      }\n    }\n  };\n  return MarkAreaModel;\n}(MarkerModel);\n\nexport default MarkAreaModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\"; // TODO Optimize on polar\n\nimport * as colorUtil from 'zrender/lib/tool/color';\nimport List from '../../data/List';\nimport * as numberUtil from '../../util/number';\nimport * as graphic from '../../util/graphic';\nimport { enableHoverEmphasis, setStatesStylesFromModel } from '../../util/states';\nimport * as markerHelper from './markerHelper';\nimport MarkerView from './MarkerView';\nimport { retrieve, mergeAll, map, defaults, curry, filter } from 'zrender/lib/core/util';\nimport { isCoordinateSystemType } from '../../coord/CoordinateSystem';\nimport MarkerModel from './MarkerModel';\nimport { makeInner } from '../../util/model';\nimport { getVisualFromData } from '../../visual/helper';\nimport { setLabelStyle, getLabelStatesModels } from '../../label/labelStyle';\nimport { getECData } from '../../util/innerStore';\nvar inner = makeInner();\n\nvar markAreaTransform = function (seriesModel, coordSys, maModel, item) {\n  var lt = markerHelper.dataTransform(seriesModel, item[0]);\n  var rb = markerHelper.dataTransform(seriesModel, item[1]); // FIXME make sure lt is less than rb\n\n  var ltCoord = lt.coord;\n  var rbCoord = rb.coord;\n  ltCoord[0] = retrieve(ltCoord[0], -Infinity);\n  ltCoord[1] = retrieve(ltCoord[1], -Infinity);\n  rbCoord[0] = retrieve(rbCoord[0], Infinity);\n  rbCoord[1] = retrieve(rbCoord[1], Infinity); // Merge option into one\n\n  var result = mergeAll([{}, lt, rb]);\n  result.coord = [lt.coord, rb.coord];\n  result.x0 = lt.x;\n  result.y0 = lt.y;\n  result.x1 = rb.x;\n  result.y1 = rb.y;\n  return result;\n};\n\nfunction isInifinity(val) {\n  return !isNaN(val) && !isFinite(val);\n} // If a markArea has one dim\n\n\nfunction ifMarkAreaHasOnlyDim(dimIndex, fromCoord, toCoord, coordSys) {\n  var otherDimIndex = 1 - dimIndex;\n  return isInifinity(fromCoord[otherDimIndex]) && isInifinity(toCoord[otherDimIndex]);\n}\n\nfunction markAreaFilter(coordSys, item) {\n  var fromCoord = item.coord[0];\n  var toCoord = item.coord[1];\n\n  if (isCoordinateSystemType(coordSys, 'cartesian2d')) {\n    // In case\n    // {\n    //  markArea: {\n    //    data: [{ yAxis: 2 }]\n    //  }\n    // }\n    if (fromCoord && toCoord && (ifMarkAreaHasOnlyDim(1, fromCoord, toCoord, coordSys) || ifMarkAreaHasOnlyDim(0, fromCoord, toCoord, coordSys))) {\n      return true;\n    }\n  }\n\n  return markerHelper.dataFilter(coordSys, {\n    coord: fromCoord,\n    x: item.x0,\n    y: item.y0\n  }) || markerHelper.dataFilter(coordSys, {\n    coord: toCoord,\n    x: item.x1,\n    y: item.y1\n  });\n} // dims can be ['x0', 'y0'], ['x1', 'y1'], ['x0', 'y1'], ['x1', 'y0']\n\n\nfunction getSingleMarkerEndPoint(data, idx, dims, seriesModel, api) {\n  var coordSys = seriesModel.coordinateSystem;\n  var itemModel = data.getItemModel(idx);\n  var point;\n  var xPx = numberUtil.parsePercent(itemModel.get(dims[0]), api.getWidth());\n  var yPx = numberUtil.parsePercent(itemModel.get(dims[1]), api.getHeight());\n\n  if (!isNaN(xPx) && !isNaN(yPx)) {\n    point = [xPx, yPx];\n  } else {\n    // Chart like bar may have there own marker positioning logic\n    if (seriesModel.getMarkerPosition) {\n      // Use the getMarkerPoisition\n      point = seriesModel.getMarkerPosition(data.getValues(dims, idx));\n    } else {\n      var x = data.get(dims[0], idx);\n      var y = data.get(dims[1], idx);\n      var pt = [x, y];\n      coordSys.clampData && coordSys.clampData(pt, pt);\n      point = coordSys.dataToPoint(pt, true);\n    }\n\n    if (isCoordinateSystemType(coordSys, 'cartesian2d')) {\n      // TODO: TYPE ts@4.1 may still infer it as Axis instead of Axis2D. Not sure if it's a bug\n      var xAxis = coordSys.getAxis('x');\n      var yAxis = coordSys.getAxis('y');\n      var x = data.get(dims[0], idx);\n      var y = data.get(dims[1], idx);\n\n      if (isInifinity(x)) {\n        point[0] = xAxis.toGlobalCoord(xAxis.getExtent()[dims[0] === 'x0' ? 0 : 1]);\n      } else if (isInifinity(y)) {\n        point[1] = yAxis.toGlobalCoord(yAxis.getExtent()[dims[1] === 'y0' ? 0 : 1]);\n      }\n    } // Use x, y if has any\n\n\n    if (!isNaN(xPx)) {\n      point[0] = xPx;\n    }\n\n    if (!isNaN(yPx)) {\n      point[1] = yPx;\n    }\n  }\n\n  return point;\n}\n\nvar dimPermutations = [['x0', 'y0'], ['x1', 'y0'], ['x1', 'y1'], ['x0', 'y1']];\n\nvar MarkAreaView =\n/** @class */\nfunction (_super) {\n  __extends(MarkAreaView, _super);\n\n  function MarkAreaView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = MarkAreaView.type;\n    return _this;\n  }\n\n  MarkAreaView.prototype.updateTransform = function (markAreaModel, ecModel, api) {\n    ecModel.eachSeries(function (seriesModel) {\n      var maModel = MarkerModel.getMarkerModelFromSeries(seriesModel, 'markArea');\n\n      if (maModel) {\n        var areaData_1 = maModel.getData();\n        areaData_1.each(function (idx) {\n          var points = map(dimPermutations, function (dim) {\n            return getSingleMarkerEndPoint(areaData_1, idx, dim, seriesModel, api);\n          }); // Layout\n\n          areaData_1.setItemLayout(idx, points);\n          var el = areaData_1.getItemGraphicEl(idx);\n          el.setShape('points', points);\n        });\n      }\n    }, this);\n  };\n\n  MarkAreaView.prototype.renderSeries = function (seriesModel, maModel, ecModel, api) {\n    var coordSys = seriesModel.coordinateSystem;\n    var seriesId = seriesModel.id;\n    var seriesData = seriesModel.getData();\n    var areaGroupMap = this.markerGroupMap;\n    var polygonGroup = areaGroupMap.get(seriesId) || areaGroupMap.set(seriesId, {\n      group: new graphic.Group()\n    });\n    this.group.add(polygonGroup.group);\n    this.markKeep(polygonGroup);\n    var areaData = createList(coordSys, seriesModel, maModel); // Line data for tooltip and formatter\n\n    maModel.setData(areaData); // Update visual and layout of line\n\n    areaData.each(function (idx) {\n      // Layout\n      var points = map(dimPermutations, function (dim) {\n        return getSingleMarkerEndPoint(areaData, idx, dim, seriesModel, api);\n      });\n      var xAxisScale = coordSys.getAxis('x').scale;\n      var yAxisScale = coordSys.getAxis('y').scale;\n      var xAxisExtent = xAxisScale.getExtent();\n      var yAxisExtent = yAxisScale.getExtent();\n      var xPointExtent = [xAxisScale.parse(areaData.get('x0', idx)), xAxisScale.parse(areaData.get('x1', idx))];\n      var yPointExtent = [yAxisScale.parse(areaData.get('y0', idx)), yAxisScale.parse(areaData.get('y1', idx))];\n      numberUtil.asc(xPointExtent);\n      numberUtil.asc(yPointExtent);\n      var overlapped = !(xAxisExtent[0] > xPointExtent[1] || xAxisExtent[1] < xPointExtent[0] || yAxisExtent[0] > yPointExtent[1] || yAxisExtent[1] < yPointExtent[0]); // If none of the area is inside coordSys, allClipped is set to be true\n      // in layout so that label will not be displayed. See #12591\n\n      var allClipped = !overlapped;\n      areaData.setItemLayout(idx, {\n        points: points,\n        allClipped: allClipped\n      });\n      var style = areaData.getItemModel(idx).getModel('itemStyle').getItemStyle();\n      var color = getVisualFromData(seriesData, 'color');\n\n      if (!style.fill) {\n        style.fill = color;\n\n        if (typeof style.fill === 'string') {\n          style.fill = colorUtil.modifyAlpha(style.fill, 0.4);\n        }\n      }\n\n      if (!style.stroke) {\n        style.stroke = color;\n      } // Visual\n\n\n      areaData.setItemVisual(idx, 'style', style);\n    });\n    areaData.diff(inner(polygonGroup).data).add(function (idx) {\n      var layout = areaData.getItemLayout(idx);\n\n      if (!layout.allClipped) {\n        var polygon = new graphic.Polygon({\n          shape: {\n            points: layout.points\n          }\n        });\n        areaData.setItemGraphicEl(idx, polygon);\n        polygonGroup.group.add(polygon);\n      }\n    }).update(function (newIdx, oldIdx) {\n      var polygon = inner(polygonGroup).data.getItemGraphicEl(oldIdx);\n      var layout = areaData.getItemLayout(newIdx);\n\n      if (!layout.allClipped) {\n        if (polygon) {\n          graphic.updateProps(polygon, {\n            shape: {\n              points: layout.points\n            }\n          }, maModel, newIdx);\n        } else {\n          polygon = new graphic.Polygon({\n            shape: {\n              points: layout.points\n            }\n          });\n        }\n\n        areaData.setItemGraphicEl(newIdx, polygon);\n        polygonGroup.group.add(polygon);\n      } else if (polygon) {\n        polygonGroup.group.remove(polygon);\n      }\n    }).remove(function (idx) {\n      var polygon = inner(polygonGroup).data.getItemGraphicEl(idx);\n      polygonGroup.group.remove(polygon);\n    }).execute();\n    areaData.eachItemGraphicEl(function (polygon, idx) {\n      var itemModel = areaData.getItemModel(idx);\n      var style = areaData.getItemVisual(idx, 'style');\n      polygon.useStyle(areaData.getItemVisual(idx, 'style'));\n      setLabelStyle(polygon, getLabelStatesModels(itemModel), {\n        labelFetcher: maModel,\n        labelDataIndex: idx,\n        defaultText: areaData.getName(idx) || '',\n        inheritColor: typeof style.fill === 'string' ? colorUtil.modifyAlpha(style.fill, 1) : '#000'\n      });\n      setStatesStylesFromModel(polygon, itemModel);\n      enableHoverEmphasis(polygon);\n      getECData(polygon).dataModel = maModel;\n    });\n    inner(polygonGroup).data = areaData;\n    polygonGroup.group.silent = maModel.get('silent') || seriesModel.get('silent');\n  };\n\n  MarkAreaView.type = 'markArea';\n  return MarkAreaView;\n}(MarkerView);\n\nfunction createList(coordSys, seriesModel, maModel) {\n  var coordDimsInfos;\n  var areaData;\n  var dims = ['x0', 'y0', 'x1', 'y1'];\n\n  if (coordSys) {\n    coordDimsInfos = map(coordSys && coordSys.dimensions, function (coordDim) {\n      var data = seriesModel.getData();\n      var info = data.getDimensionInfo(data.mapDimension(coordDim)) || {}; // In map series data don't have lng and lat dimension. Fallback to same with coordSys\n\n      return defaults({\n        name: coordDim\n      }, info);\n    });\n    areaData = new List(map(dims, function (dim, idx) {\n      return {\n        name: dim,\n        type: coordDimsInfos[idx % 2].type\n      };\n    }), maModel);\n  } else {\n    coordDimsInfos = [{\n      name: 'value',\n      type: 'float'\n    }];\n    areaData = new List(coordDimsInfos, maModel);\n  }\n\n  var optData = map(maModel.get('data'), curry(markAreaTransform, seriesModel, coordSys, maModel));\n\n  if (coordSys) {\n    optData = filter(optData, curry(markAreaFilter, coordSys));\n  }\n\n  var dimValueGetter = coordSys ? function (item, dimName, dataIndex, dimIndex) {\n    // TODO should convert to ParsedValue?\n    return item.coord[Math.floor(dimIndex / 2)][dimIndex % 2];\n  } : function (item) {\n    return item.value;\n  };\n  areaData.initData(optData, null, dimValueGetter);\n  areaData.hasItemOption = true;\n  return areaData;\n}\n\nexport default MarkAreaView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport Model from '../../model/Model';\nimport { isNameSpecified } from '../../util/model';\nimport ComponentModel from '../../model/Component';\n\nvar getDefaultSelectorOptions = function (ecModel, type) {\n  if (type === 'all') {\n    return {\n      type: 'all',\n      title: ecModel.getLocale(['legend', 'selector', 'all'])\n    };\n  } else if (type === 'inverse') {\n    return {\n      type: 'inverse',\n      title: ecModel.getLocale(['legend', 'selector', 'inverse'])\n    };\n  }\n};\n\nvar LegendModel =\n/** @class */\nfunction (_super) {\n  __extends(LegendModel, _super);\n\n  function LegendModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = LegendModel.type;\n    _this.layoutMode = {\n      type: 'box',\n      // legend.width/height are maxWidth/maxHeight actually,\n      // whereas realy width/height is calculated by its content.\n      // (Setting {left: 10, right: 10} does not make sense).\n      // So consider the case:\n      // `setOption({legend: {left: 10});`\n      // then `setOption({legend: {right: 10});`\n      // The previous `left` should be cleared by setting `ignoreSize`.\n      ignoreSize: true\n    };\n    return _this;\n  }\n\n  LegendModel.prototype.init = function (option, parentModel, ecModel) {\n    this.mergeDefaultAndTheme(option, ecModel);\n    option.selected = option.selected || {};\n\n    this._updateSelector(option);\n  };\n\n  LegendModel.prototype.mergeOption = function (option, ecModel) {\n    _super.prototype.mergeOption.call(this, option, ecModel);\n\n    this._updateSelector(option);\n  };\n\n  LegendModel.prototype._updateSelector = function (option) {\n    var selector = option.selector;\n    var ecModel = this.ecModel;\n\n    if (selector === true) {\n      selector = option.selector = ['all', 'inverse'];\n    }\n\n    if (zrUtil.isArray(selector)) {\n      zrUtil.each(selector, function (item, index) {\n        zrUtil.isString(item) && (item = {\n          type: item\n        });\n        selector[index] = zrUtil.merge(item, getDefaultSelectorOptions(ecModel, item.type));\n      });\n    }\n  };\n\n  LegendModel.prototype.optionUpdated = function () {\n    this._updateData(this.ecModel);\n\n    var legendData = this._data; // If selectedMode is single, try to select one\n\n    if (legendData[0] && this.get('selectedMode') === 'single') {\n      var hasSelected = false; // If has any selected in option.selected\n\n      for (var i = 0; i < legendData.length; i++) {\n        var name_1 = legendData[i].get('name');\n\n        if (this.isSelected(name_1)) {\n          // Force to unselect others\n          this.select(name_1);\n          hasSelected = true;\n          break;\n        }\n      } // Try select the first if selectedMode is single\n\n\n      !hasSelected && this.select(legendData[0].get('name'));\n    }\n  };\n\n  LegendModel.prototype._updateData = function (ecModel) {\n    var potentialData = [];\n    var availableNames = [];\n    ecModel.eachRawSeries(function (seriesModel) {\n      var seriesName = seriesModel.name;\n      availableNames.push(seriesName);\n      var isPotential;\n\n      if (seriesModel.legendVisualProvider) {\n        var provider = seriesModel.legendVisualProvider;\n        var names = provider.getAllNames();\n\n        if (!ecModel.isSeriesFiltered(seriesModel)) {\n          availableNames = availableNames.concat(names);\n        }\n\n        if (names.length) {\n          potentialData = potentialData.concat(names);\n        } else {\n          isPotential = true;\n        }\n      } else {\n        isPotential = true;\n      }\n\n      if (isPotential && isNameSpecified(seriesModel)) {\n        potentialData.push(seriesModel.name);\n      }\n    });\n    /**\n     * @type {Array.<string>}\n     * @private\n     */\n\n    this._availableNames = availableNames; // If legend.data not specified in option, use availableNames as data,\n    // which is convinient for user preparing option.\n\n    var rawData = this.get('data') || potentialData;\n    var legendData = zrUtil.map(rawData, function (dataItem) {\n      // Can be string or number\n      if (typeof dataItem === 'string' || typeof dataItem === 'number') {\n        dataItem = {\n          name: dataItem\n        };\n      }\n\n      return new Model(dataItem, this, this.ecModel);\n    }, this);\n    /**\n     * @type {Array.<module:echarts/model/Model>}\n     * @private\n     */\n\n    this._data = legendData;\n  };\n\n  LegendModel.prototype.getData = function () {\n    return this._data;\n  };\n\n  LegendModel.prototype.select = function (name) {\n    var selected = this.option.selected;\n    var selectedMode = this.get('selectedMode');\n\n    if (selectedMode === 'single') {\n      var data = this._data;\n      zrUtil.each(data, function (dataItem) {\n        selected[dataItem.get('name')] = false;\n      });\n    }\n\n    selected[name] = true;\n  };\n\n  LegendModel.prototype.unSelect = function (name) {\n    if (this.get('selectedMode') !== 'single') {\n      this.option.selected[name] = false;\n    }\n  };\n\n  LegendModel.prototype.toggleSelected = function (name) {\n    var selected = this.option.selected; // Default is true\n\n    if (!selected.hasOwnProperty(name)) {\n      selected[name] = true;\n    }\n\n    this[selected[name] ? 'unSelect' : 'select'](name);\n  };\n\n  LegendModel.prototype.allSelect = function () {\n    var data = this._data;\n    var selected = this.option.selected;\n    zrUtil.each(data, function (dataItem) {\n      selected[dataItem.get('name', true)] = true;\n    });\n  };\n\n  LegendModel.prototype.inverseSelect = function () {\n    var data = this._data;\n    var selected = this.option.selected;\n    zrUtil.each(data, function (dataItem) {\n      var name = dataItem.get('name', true); // Initially, default value is true\n\n      if (!selected.hasOwnProperty(name)) {\n        selected[name] = true;\n      }\n\n      selected[name] = !selected[name];\n    });\n  };\n\n  LegendModel.prototype.isSelected = function (name) {\n    var selected = this.option.selected;\n    return !(selected.hasOwnProperty(name) && !selected[name]) && zrUtil.indexOf(this._availableNames, name) >= 0;\n  };\n\n  LegendModel.prototype.getOrient = function () {\n    return this.get('orient') === 'vertical' ? {\n      index: 1,\n      name: 'vertical'\n    } : {\n      index: 0,\n      name: 'horizontal'\n    };\n  };\n\n  LegendModel.type = 'legend.plain';\n  LegendModel.dependencies = ['series'];\n  LegendModel.defaultOption = {\n    zlevel: 0,\n    z: 4,\n    show: true,\n    orient: 'horizontal',\n    left: 'center',\n    // right: 'center',\n    top: 0,\n    // bottom: null,\n    align: 'auto',\n    backgroundColor: 'rgba(0,0,0,0)',\n    borderColor: '#ccc',\n    borderRadius: 0,\n    borderWidth: 0,\n    padding: 5,\n    itemGap: 10,\n    itemWidth: 25,\n    itemHeight: 14,\n    symbolSize: 'auto',\n    inactiveColor: '#ccc',\n    inactiveBorderColor: '#ccc',\n    inactiveBorderWidth: 'auto',\n    itemStyle: {\n      color: 'inherit',\n      opacity: 'inherit',\n      decal: 'inherit',\n      shadowBlur: 0,\n      shadowColor: null,\n      shadowOffsetX: 0,\n      shadowOffsetY: 0,\n      borderColor: 'inherit',\n      borderWidth: 'auto',\n      borderCap: 'inherit',\n      borderJoin: 'inherit',\n      borderDashOffset: 'inherit',\n      borderMiterLimit: 'inherit'\n    },\n    lineStyle: {\n      width: 'auto',\n      color: 'inherit',\n      inactiveColor: '#ccc',\n      inactiveWidth: 2,\n      opacity: 'inherit',\n      type: 'inherit',\n      cap: 'inherit',\n      join: 'inherit',\n      dashOffset: 'inherit',\n      miterLimit: 'inherit',\n      shadowBlur: 0,\n      shadowColor: null,\n      shadowOffsetX: 0,\n      shadowOffsetY: 0\n    },\n    textStyle: {\n      color: '#333'\n    },\n    selectedMode: true,\n    selector: false,\n    selectorLabel: {\n      show: true,\n      borderRadius: 10,\n      padding: [3, 5, 3, 5],\n      fontSize: 12,\n      fontFamily: ' sans-serif',\n      color: '#666',\n      borderWidth: 1,\n      borderColor: '#666'\n    },\n    emphasis: {\n      selectorLabel: {\n        show: true,\n        color: '#eee',\n        backgroundColor: '#666'\n      }\n    },\n    selectorPosition: 'auto',\n    selectorItemGap: 7,\n    selectorButtonGap: 10,\n    tooltip: {\n      show: false\n    }\n  };\n  return LegendModel;\n}(ComponentModel);\n\nexport default LegendModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { parse, stringify } from 'zrender/lib/tool/color';\nimport * as graphic from '../../util/graphic';\nimport { enableHoverEmphasis } from '../../util/states';\nimport { setLabelStyle, createTextStyle } from '../../label/labelStyle';\nimport { makeBackground } from '../helper/listComponent';\nimport * as layoutUtil from '../../util/layout';\nimport ComponentView from '../../view/Component';\nimport { LINE_STYLE_KEY_MAP } from '../../model/mixin/lineStyle';\nimport { ITEM_STYLE_KEY_MAP } from '../../model/mixin/itemStyle';\nimport { createSymbol } from '../../util/symbol';\nvar curry = zrUtil.curry;\nvar each = zrUtil.each;\nvar Group = graphic.Group;\n\nvar LegendView =\n/** @class */\nfunction (_super) {\n  __extends(LegendView, _super);\n\n  function LegendView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = LegendView.type;\n    _this.newlineDisabled = false;\n    return _this;\n  }\n\n  LegendView.prototype.init = function () {\n    this.group.add(this._contentGroup = new Group());\n    this.group.add(this._selectorGroup = new Group());\n    this._isFirstRender = true;\n  };\n  /**\n   * @protected\n   */\n\n\n  LegendView.prototype.getContentGroup = function () {\n    return this._contentGroup;\n  };\n  /**\n   * @protected\n   */\n\n\n  LegendView.prototype.getSelectorGroup = function () {\n    return this._selectorGroup;\n  };\n  /**\n   * @override\n   */\n\n\n  LegendView.prototype.render = function (legendModel, ecModel, api) {\n    var isFirstRender = this._isFirstRender;\n    this._isFirstRender = false;\n    this.resetInner();\n\n    if (!legendModel.get('show', true)) {\n      return;\n    }\n\n    var itemAlign = legendModel.get('align');\n    var orient = legendModel.get('orient');\n\n    if (!itemAlign || itemAlign === 'auto') {\n      itemAlign = legendModel.get('left') === 'right' && orient === 'vertical' ? 'right' : 'left';\n    } // selector has been normalized to an array in model\n\n\n    var selector = legendModel.get('selector', true);\n    var selectorPosition = legendModel.get('selectorPosition', true);\n\n    if (selector && (!selectorPosition || selectorPosition === 'auto')) {\n      selectorPosition = orient === 'horizontal' ? 'end' : 'start';\n    }\n\n    this.renderInner(itemAlign, legendModel, ecModel, api, selector, orient, selectorPosition); // Perform layout.\n\n    var positionInfo = legendModel.getBoxLayoutParams();\n    var viewportSize = {\n      width: api.getWidth(),\n      height: api.getHeight()\n    };\n    var padding = legendModel.get('padding');\n    var maxSize = layoutUtil.getLayoutRect(positionInfo, viewportSize, padding);\n    var mainRect = this.layoutInner(legendModel, itemAlign, maxSize, isFirstRender, selector, selectorPosition); // Place mainGroup, based on the calculated `mainRect`.\n\n    var layoutRect = layoutUtil.getLayoutRect(zrUtil.defaults({\n      width: mainRect.width,\n      height: mainRect.height\n    }, positionInfo), viewportSize, padding);\n    this.group.x = layoutRect.x - mainRect.x;\n    this.group.y = layoutRect.y - mainRect.y;\n    this.group.markRedraw(); // Render background after group is layout.\n\n    this.group.add(this._backgroundEl = makeBackground(mainRect, legendModel));\n  };\n\n  LegendView.prototype.resetInner = function () {\n    this.getContentGroup().removeAll();\n    this._backgroundEl && this.group.remove(this._backgroundEl);\n    this.getSelectorGroup().removeAll();\n  };\n\n  LegendView.prototype.renderInner = function (itemAlign, legendModel, ecModel, api, selector, orient, selectorPosition) {\n    var contentGroup = this.getContentGroup();\n    var legendDrawnMap = zrUtil.createHashMap();\n    var selectMode = legendModel.get('selectedMode');\n    var excludeSeriesId = [];\n    ecModel.eachRawSeries(function (seriesModel) {\n      !seriesModel.get('legendHoverLink') && excludeSeriesId.push(seriesModel.id);\n    });\n    each(legendModel.getData(), function (legendItemModel, dataIndex) {\n      var name = legendItemModel.get('name'); // Use empty string or \\n as a newline string\n\n      if (!this.newlineDisabled && (name === '' || name === '\\n')) {\n        var g = new Group(); // @ts-ignore\n\n        g.newline = true;\n        contentGroup.add(g);\n        return;\n      } // Representitive series.\n\n\n      var seriesModel = ecModel.getSeriesByName(name)[0];\n\n      if (legendDrawnMap.get(name)) {\n        // Have been drawed\n        return;\n      } // Legend to control series.\n\n\n      if (seriesModel) {\n        var data = seriesModel.getData();\n        var lineVisualStyle = data.getVisual('legendLineStyle') || {};\n        var symbolType = data.getVisual('legendSymbol');\n        /**\n         * `data.getVisual('style')` may be the color from the register\n         * in series. For example, for line series,\n         */\n\n        var style = data.getVisual('style');\n        data.getVisual('symbolSize');\n\n        var itemGroup = this._createItem(seriesModel, name, dataIndex, legendItemModel, legendModel, itemAlign, lineVisualStyle, style, symbolType, selectMode);\n\n        itemGroup.on('click', curry(dispatchSelectAction, name, null, api, excludeSeriesId)).on('mouseover', curry(dispatchHighlightAction, seriesModel.name, null, api, excludeSeriesId)).on('mouseout', curry(dispatchDownplayAction, seriesModel.name, null, api, excludeSeriesId));\n        legendDrawnMap.set(name, true);\n      } else {\n        // Legend to control data. In pie and funnel.\n        ecModel.eachRawSeries(function (seriesModel) {\n          // In case multiple series has same data name\n          if (legendDrawnMap.get(name)) {\n            return;\n          }\n\n          if (seriesModel.legendVisualProvider) {\n            var provider = seriesModel.legendVisualProvider;\n\n            if (!provider.containName(name)) {\n              return;\n            }\n\n            var idx = provider.indexOfName(name);\n            var style = provider.getItemVisual(idx, 'style');\n            var symbolType = provider.getItemVisual(idx, 'legendSymbol');\n            var colorArr = parse(style.fill); // Color may be set to transparent in visualMap when data is out of range.\n            // Do not show nothing.\n\n            if (colorArr && colorArr[3] === 0) {\n              colorArr[3] = 0.2; // TODO color is set to 0, 0, 0, 0. Should show correct RGBA\n\n              style.fill = stringify(colorArr, 'rgba');\n            }\n\n            var itemGroup = this._createItem(seriesModel, name, dataIndex, legendItemModel, legendModel, itemAlign, {}, style, symbolType, selectMode); // FIXME: consider different series has items with the same name.\n\n\n            itemGroup.on('click', curry(dispatchSelectAction, null, name, api, excludeSeriesId)) // Should not specify the series name, consider legend controls\n            // more than one pie series.\n            .on('mouseover', curry(dispatchHighlightAction, null, name, api, excludeSeriesId)).on('mouseout', curry(dispatchDownplayAction, null, name, api, excludeSeriesId));\n            legendDrawnMap.set(name, true);\n          }\n        }, this);\n      }\n\n      if (process.env.NODE_ENV !== 'production') {\n        if (!legendDrawnMap.get(name)) {\n          console.warn(name + ' series not exists. Legend data should be same with series name or data name.');\n        }\n      }\n    }, this);\n\n    if (selector) {\n      this._createSelector(selector, legendModel, api, orient, selectorPosition);\n    }\n  };\n\n  LegendView.prototype._createSelector = function (selector, legendModel, api, orient, selectorPosition) {\n    var selectorGroup = this.getSelectorGroup();\n    each(selector, function createSelectorButton(selectorItem) {\n      var type = selectorItem.type;\n      var labelText = new graphic.Text({\n        style: {\n          x: 0,\n          y: 0,\n          align: 'center',\n          verticalAlign: 'middle'\n        },\n        onclick: function () {\n          api.dispatchAction({\n            type: type === 'all' ? 'legendAllSelect' : 'legendInverseSelect'\n          });\n        }\n      });\n      selectorGroup.add(labelText);\n      var labelModel = legendModel.getModel('selectorLabel');\n      var emphasisLabelModel = legendModel.getModel(['emphasis', 'selectorLabel']);\n      setLabelStyle(labelText, {\n        normal: labelModel,\n        emphasis: emphasisLabelModel\n      }, {\n        defaultText: selectorItem.title\n      });\n      enableHoverEmphasis(labelText);\n    });\n  };\n\n  LegendView.prototype._createItem = function (seriesModel, name, dataIndex, itemModel, legendModel, itemAlign, lineVisualStyle, itemVisualStyle, symbolType, selectMode) {\n    var drawType = seriesModel.visualDrawType;\n    var itemWidth = legendModel.get('itemWidth');\n    var itemHeight = legendModel.get('itemHeight');\n    var isSelected = legendModel.isSelected(name);\n    var symbolKeepAspect = itemModel.get('symbolKeepAspect');\n    var legendIconType = itemModel.get('icon');\n    symbolType = legendIconType || symbolType || 'roundRect';\n    var legendLineStyle = legendModel.getModel('lineStyle');\n    var style = getLegendStyle(symbolType, itemModel, legendLineStyle, lineVisualStyle, itemVisualStyle, drawType, isSelected);\n    var itemGroup = new Group();\n    var textStyleModel = itemModel.getModel('textStyle');\n\n    if (typeof seriesModel.getLegendIcon === 'function' && !legendIconType) {\n      // Series has specific way to define legend icon\n      itemGroup.add(seriesModel.getLegendIcon({\n        itemWidth: itemWidth,\n        itemHeight: itemHeight,\n        symbolType: symbolType,\n        symbolKeepAspect: symbolKeepAspect,\n        itemStyle: style.itemStyle,\n        lineStyle: style.lineStyle\n      }));\n    } else {\n      // Use default legend icon policy for most series\n      itemGroup.add(getDefaultLegendIcon({\n        itemWidth: itemWidth,\n        itemHeight: itemHeight,\n        symbolType: symbolType,\n        symbolKeepAspect: symbolKeepAspect,\n        itemStyle: style.itemStyle,\n        lineStyle: style.lineStyle\n      }));\n    }\n\n    var textX = itemAlign === 'left' ? itemWidth + 5 : -5;\n    var textAlign = itemAlign;\n    var formatter = legendModel.get('formatter');\n    var content = name;\n\n    if (typeof formatter === 'string' && formatter) {\n      content = formatter.replace('{name}', name != null ? name : '');\n    } else if (typeof formatter === 'function') {\n      content = formatter(name);\n    }\n\n    var inactiveColor = itemModel.get('inactiveColor');\n    itemGroup.add(new graphic.Text({\n      style: createTextStyle(textStyleModel, {\n        text: content,\n        x: textX,\n        y: itemHeight / 2,\n        fill: isSelected ? textStyleModel.getTextColor() : inactiveColor,\n        align: textAlign,\n        verticalAlign: 'middle'\n      })\n    })); // Add a invisible rect to increase the area of mouse hover\n\n    var hitRect = new graphic.Rect({\n      shape: itemGroup.getBoundingRect(),\n      invisible: true\n    });\n    var tooltipModel = itemModel.getModel('tooltip');\n\n    if (tooltipModel.get('show')) {\n      graphic.setTooltipConfig({\n        el: hitRect,\n        componentModel: legendModel,\n        itemName: name,\n        itemTooltipOption: tooltipModel.option\n      });\n    }\n\n    itemGroup.add(hitRect);\n    itemGroup.eachChild(function (child) {\n      child.silent = true;\n    });\n    hitRect.silent = !selectMode;\n    this.getContentGroup().add(itemGroup);\n    enableHoverEmphasis(itemGroup); // @ts-ignore\n\n    itemGroup.__legendDataIndex = dataIndex;\n    return itemGroup;\n  };\n\n  LegendView.prototype.layoutInner = function (legendModel, itemAlign, maxSize, isFirstRender, selector, selectorPosition) {\n    var contentGroup = this.getContentGroup();\n    var selectorGroup = this.getSelectorGroup(); // Place items in contentGroup.\n\n    layoutUtil.box(legendModel.get('orient'), contentGroup, legendModel.get('itemGap'), maxSize.width, maxSize.height);\n    var contentRect = contentGroup.getBoundingRect();\n    var contentPos = [-contentRect.x, -contentRect.y];\n    selectorGroup.markRedraw();\n    contentGroup.markRedraw();\n\n    if (selector) {\n      // Place buttons in selectorGroup\n      layoutUtil.box( // Buttons in selectorGroup always layout horizontally\n      'horizontal', selectorGroup, legendModel.get('selectorItemGap', true));\n      var selectorRect = selectorGroup.getBoundingRect();\n      var selectorPos = [-selectorRect.x, -selectorRect.y];\n      var selectorButtonGap = legendModel.get('selectorButtonGap', true);\n      var orientIdx = legendModel.getOrient().index;\n      var wh = orientIdx === 0 ? 'width' : 'height';\n      var hw = orientIdx === 0 ? 'height' : 'width';\n      var yx = orientIdx === 0 ? 'y' : 'x';\n\n      if (selectorPosition === 'end') {\n        selectorPos[orientIdx] += contentRect[wh] + selectorButtonGap;\n      } else {\n        contentPos[orientIdx] += selectorRect[wh] + selectorButtonGap;\n      } //Always align selector to content as 'middle'\n\n\n      selectorPos[1 - orientIdx] += contentRect[hw] / 2 - selectorRect[hw] / 2;\n      selectorGroup.x = selectorPos[0];\n      selectorGroup.y = selectorPos[1];\n      contentGroup.x = contentPos[0];\n      contentGroup.y = contentPos[1];\n      var mainRect = {\n        x: 0,\n        y: 0\n      };\n      mainRect[wh] = contentRect[wh] + selectorButtonGap + selectorRect[wh];\n      mainRect[hw] = Math.max(contentRect[hw], selectorRect[hw]);\n      mainRect[yx] = Math.min(0, selectorRect[yx] + selectorPos[1 - orientIdx]);\n      return mainRect;\n    } else {\n      contentGroup.x = contentPos[0];\n      contentGroup.y = contentPos[1];\n      return this.group.getBoundingRect();\n    }\n  };\n  /**\n   * @protected\n   */\n\n\n  LegendView.prototype.remove = function () {\n    this.getContentGroup().removeAll();\n    this._isFirstRender = true;\n  };\n\n  LegendView.type = 'legend.plain';\n  return LegendView;\n}(ComponentView);\n\nfunction getLegendStyle(symbolType, legendModel, legendLineStyle, lineVisualStyle, itemVisualStyle, drawType, isSelected) {\n  /**\n   * Use series style if is inherit;\n   * elsewise, use legend style\n   */\n  // itemStyle\n  var legendItemModel = legendModel.getModel('itemStyle');\n  var itemProperties = ITEM_STYLE_KEY_MAP.concat([['decal']]);\n  var itemStyle = {};\n\n  for (var i = 0; i < itemProperties.length; ++i) {\n    var propName = itemProperties[i][itemProperties[i].length - 1];\n    var visualName = itemProperties[i][0];\n    var value = legendItemModel.getShallow(propName);\n\n    if (value === 'inherit') {\n      switch (visualName) {\n        case 'fill':\n          /**\n           * Series with visualDrawType as 'stroke' should have\n           * series stroke as legend fill\n           */\n          itemStyle.fill = itemVisualStyle[drawType];\n          break;\n\n        case 'stroke':\n          /**\n           * symbol type with \"emptyXXX\" should use fill color\n           * in visual style\n           */\n          itemStyle.stroke = itemVisualStyle[symbolType.startsWith('empty') ? 'fill' : 'stroke'];\n          break;\n\n        case 'opacity':\n          /**\n           * Use lineStyle.opacity if drawType is stroke\n           */\n          itemStyle.opacity = (drawType === 'fill' ? itemVisualStyle : lineVisualStyle).opacity;\n          break;\n\n        default:\n          itemStyle[visualName] = itemVisualStyle[visualName];\n      }\n    } else if (value === 'auto' && visualName === 'lineWidth') {\n      // If lineStyle.width is 'auto', it is set to be 2 if series has border\n      itemStyle.lineWidth = itemVisualStyle.lineWidth > 0 ? 2 : 0;\n    } else {\n      itemStyle[visualName] = value;\n    }\n  } // lineStyle\n\n\n  var legendLineModel = legendModel.getModel('lineStyle');\n  var lineProperties = LINE_STYLE_KEY_MAP.concat([['inactiveColor'], ['inactiveWidth']]);\n  var lineStyle = {};\n\n  for (var i = 0; i < lineProperties.length; ++i) {\n    var propName = lineProperties[i][1];\n    var visualName = lineProperties[i][0];\n    var value = legendLineModel.getShallow(propName);\n\n    if (value === 'inherit') {\n      lineStyle[visualName] = lineVisualStyle[visualName];\n    } else if (value === 'auto' && visualName === 'lineWidth') {\n      // If lineStyle.width is 'auto', it is set to be 2 if series has border\n      lineStyle.lineWidth = lineVisualStyle.lineWidth > 0 ? 2 : 0;\n    } else {\n      lineStyle[visualName] = value;\n    }\n  } // Fix auto color to real color\n\n\n  itemStyle.fill === 'auto' && (itemStyle.fill = itemVisualStyle.fill);\n  itemStyle.stroke === 'auto' && (itemStyle.stroke = itemVisualStyle.fill);\n  lineStyle.stroke === 'auto' && (lineStyle.stroke = itemVisualStyle.fill);\n\n  if (!isSelected) {\n    var borderWidth = legendModel.get('inactiveBorderWidth');\n    /**\n     * Since stroke is set to be inactiveBorderColor, it may occur that\n     * there is no border in series but border in legend, so we need to\n     * use border only when series has border if is set to be auto\n     */\n\n    var visualHasBorder = itemStyle[symbolType.indexOf('empty') > -1 ? 'fill' : 'stroke'];\n    itemStyle.lineWidth = borderWidth === 'auto' ? itemVisualStyle.lineWidth > 0 && visualHasBorder ? 2 : 0 : itemStyle.lineWidth;\n    itemStyle.fill = legendModel.get('inactiveColor');\n    itemStyle.stroke = legendModel.get('inactiveBorderColor');\n    lineStyle.stroke = legendLineStyle.get('inactiveColor');\n    lineStyle.lineWidth = legendLineStyle.get('inactiveWidth');\n  }\n\n  return {\n    itemStyle: itemStyle,\n    lineStyle: lineStyle\n  };\n}\n\nfunction getDefaultLegendIcon(opt) {\n  var symboType = opt.symbolType || 'roundRect';\n  var symbol = createSymbol(symboType, 0, 0, opt.itemWidth, opt.itemHeight, opt.itemStyle.fill, opt.symbolKeepAspect);\n  symbol.setStyle(opt.itemStyle);\n\n  if (symboType.indexOf('empty') > -1) {\n    symbol.style.stroke = symbol.style.fill;\n    symbol.style.fill = '#fff';\n    symbol.style.lineWidth = 2;\n  }\n\n  return symbol;\n}\n\nfunction dispatchSelectAction(seriesName, dataName, api, excludeSeriesId) {\n  // downplay before unselect\n  dispatchDownplayAction(seriesName, dataName, api, excludeSeriesId);\n  api.dispatchAction({\n    type: 'legendToggleSelect',\n    name: seriesName != null ? seriesName : dataName\n  }); // highlight after select\n  // TODO higlight immediately may cause animation loss.\n\n  dispatchHighlightAction(seriesName, dataName, api, excludeSeriesId);\n}\n\nfunction isUseHoverLayer(api) {\n  var list = api.getZr().storage.getDisplayList();\n  var emphasisState;\n  var i = 0;\n  var len = list.length;\n\n  while (i < len && !(emphasisState = list[i].states.emphasis)) {\n    i++;\n  }\n\n  return emphasisState && emphasisState.hoverLayer;\n}\n\nfunction dispatchHighlightAction(seriesName, dataName, api, excludeSeriesId) {\n  // If element hover will move to a hoverLayer.\n  if (!isUseHoverLayer(api)) {\n    api.dispatchAction({\n      type: 'highlight',\n      seriesName: seriesName,\n      name: dataName,\n      excludeSeriesId: excludeSeriesId\n    });\n  }\n}\n\nfunction dispatchDownplayAction(seriesName, dataName, api, excludeSeriesId) {\n  // If element hover will move to a hoverLayer.\n  if (!isUseHoverLayer(api)) {\n    api.dispatchAction({\n      type: 'downplay',\n      seriesName: seriesName,\n      name: dataName,\n      excludeSeriesId: excludeSeriesId\n    });\n  }\n}\n\nexport default LegendView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport default function legendFilter(ecModel) {\n  var legendModels = ecModel.findComponents({\n    mainType: 'legend'\n  });\n\n  if (legendModels && legendModels.length) {\n    ecModel.filterSeries(function (series) {\n      // If in any legend component the status is not selected.\n      // Because in legend series is assumed selected when it is not in the legend data.\n      for (var i = 0; i < legendModels.length; i++) {\n        if (!legendModels[i].isSelected(series.name)) {\n          return false;\n        }\n      }\n\n      return true;\n    });\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// @ts-nocheck\nimport { curry, each } from 'zrender/lib/core/util';\n\nfunction legendSelectActionHandler(methodName, payload, ecModel) {\n  var selectedMap = {};\n  var isToggleSelect = methodName === 'toggleSelected';\n  var isSelected; // Update all legend components\n\n  ecModel.eachComponent('legend', function (legendModel) {\n    if (isToggleSelect && isSelected != null) {\n      // Force other legend has same selected status\n      // Or the first is toggled to true and other are toggled to false\n      // In the case one legend has some item unSelected in option. And if other legend\n      // doesn't has the item, they will assume it is selected.\n      legendModel[isSelected ? 'select' : 'unSelect'](payload.name);\n    } else if (methodName === 'allSelect' || methodName === 'inverseSelect') {\n      legendModel[methodName]();\n    } else {\n      legendModel[methodName](payload.name);\n      isSelected = legendModel.isSelected(payload.name);\n    }\n\n    var legendData = legendModel.getData();\n    each(legendData, function (model) {\n      var name = model.get('name'); // Wrap element\n\n      if (name === '\\n' || name === '') {\n        return;\n      }\n\n      var isItemSelected = legendModel.isSelected(name);\n\n      if (selectedMap.hasOwnProperty(name)) {\n        // Unselected if any legend is unselected\n        selectedMap[name] = selectedMap[name] && isItemSelected;\n      } else {\n        selectedMap[name] = isItemSelected;\n      }\n    });\n  }); // Return the event explicitly\n\n  return methodName === 'allSelect' || methodName === 'inverseSelect' ? {\n    selected: selectedMap\n  } : {\n    name: payload.name,\n    selected: selectedMap\n  };\n}\n\nexport function installLegendAction(registers) {\n  /**\n   * @event legendToggleSelect\n   * @type {Object}\n   * @property {string} type 'legendToggleSelect'\n   * @property {string} [from]\n   * @property {string} name Series name or data item name\n   */\n  registers.registerAction('legendToggleSelect', 'legendselectchanged', curry(legendSelectActionHandler, 'toggleSelected'));\n  registers.registerAction('legendAllSelect', 'legendselectall', curry(legendSelectActionHandler, 'allSelect'));\n  registers.registerAction('legendInverseSelect', 'legendinverseselect', curry(legendSelectActionHandler, 'inverseSelect'));\n  /**\n   * @event legendSelect\n   * @type {Object}\n   * @property {string} type 'legendSelect'\n   * @property {string} name Series name or data item name\n   */\n\n  registers.registerAction('legendSelect', 'legendselected', curry(legendSelectActionHandler, 'select'));\n  /**\n   * @event legendUnSelect\n   * @type {Object}\n   * @property {string} type 'legendUnSelect'\n   * @property {string} name Series name or data item name\n   */\n\n  registers.registerAction('legendUnSelect', 'legendunselected', curry(legendSelectActionHandler, 'unSelect'));\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport LegendModel from './LegendModel';\nimport LegendView from './LegendView';\nimport legendFilter from './legendFilter';\nimport { installLegendAction } from './legendAction';\nexport function install(registers) {\n  registers.registerComponentModel(LegendModel);\n  registers.registerComponentView(LegendView);\n  registers.registerProcessor(registers.PRIORITY.PROCESSOR.SERIES_FILTER, legendFilter);\n  registers.registerSubTypeDefaulter('legend', function () {\n    return 'plain';\n  });\n  installLegendAction(registers);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport LegendModel from './LegendModel';\nimport { mergeLayoutParam, getLayoutParams } from '../../util/layout';\nimport { inheritDefaultOption } from '../../util/component';\n\nvar ScrollableLegendModel =\n/** @class */\nfunction (_super) {\n  __extends(ScrollableLegendModel, _super);\n\n  function ScrollableLegendModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ScrollableLegendModel.type;\n    return _this;\n  }\n  /**\n   * @param {number} scrollDataIndex\n   */\n\n\n  ScrollableLegendModel.prototype.setScrollDataIndex = function (scrollDataIndex) {\n    this.option.scrollDataIndex = scrollDataIndex;\n  };\n\n  ScrollableLegendModel.prototype.init = function (option, parentModel, ecModel) {\n    var inputPositionParams = getLayoutParams(option);\n\n    _super.prototype.init.call(this, option, parentModel, ecModel);\n\n    mergeAndNormalizeLayoutParams(this, option, inputPositionParams);\n  };\n  /**\n   * @override\n   */\n\n\n  ScrollableLegendModel.prototype.mergeOption = function (option, ecModel) {\n    _super.prototype.mergeOption.call(this, option, ecModel);\n\n    mergeAndNormalizeLayoutParams(this, this.option, option);\n  };\n\n  ScrollableLegendModel.type = 'legend.scroll';\n  ScrollableLegendModel.defaultOption = inheritDefaultOption(LegendModel.defaultOption, {\n    scrollDataIndex: 0,\n    pageButtonItemGap: 5,\n    pageButtonGap: null,\n    pageButtonPosition: 'end',\n    pageFormatter: '{current}/{total}',\n    pageIcons: {\n      horizontal: ['M0,0L12,-10L12,10z', 'M0,0L-12,-10L-12,10z'],\n      vertical: ['M0,0L20,0L10,-20z', 'M0,0L20,0L10,20z']\n    },\n    pageIconColor: '#2f4554',\n    pageIconInactiveColor: '#aaa',\n    pageIconSize: 15,\n    pageTextStyle: {\n      color: '#333'\n    },\n    animationDurationUpdate: 800\n  });\n  return ScrollableLegendModel;\n}(LegendModel);\n\n; // Do not `ignoreSize` to enable setting {left: 10, right: 10}.\n\nfunction mergeAndNormalizeLayoutParams(legendModel, target, raw) {\n  var orient = legendModel.getOrient();\n  var ignoreSize = [1, 1];\n  ignoreSize[orient.index] = 0;\n  mergeLayoutParam(target, raw, {\n    type: 'box',\n    ignoreSize: !!ignoreSize\n  });\n}\n\nexport default ScrollableLegendModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\n/**\n * Separate legend and scrollable legend to reduce package size.\n */\n\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from '../../util/graphic';\nimport * as layoutUtil from '../../util/layout';\nimport LegendView from './LegendView';\nvar Group = graphic.Group;\nvar WH = ['width', 'height'];\nvar XY = ['x', 'y'];\n\nvar ScrollableLegendView =\n/** @class */\nfunction (_super) {\n  __extends(ScrollableLegendView, _super);\n\n  function ScrollableLegendView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ScrollableLegendView.type;\n    _this.newlineDisabled = true;\n    _this._currentIndex = 0;\n    return _this;\n  }\n\n  ScrollableLegendView.prototype.init = function () {\n    _super.prototype.init.call(this);\n\n    this.group.add(this._containerGroup = new Group());\n\n    this._containerGroup.add(this.getContentGroup());\n\n    this.group.add(this._controllerGroup = new Group());\n  };\n  /**\n   * @override\n   */\n\n\n  ScrollableLegendView.prototype.resetInner = function () {\n    _super.prototype.resetInner.call(this);\n\n    this._controllerGroup.removeAll();\n\n    this._containerGroup.removeClipPath();\n\n    this._containerGroup.__rectSize = null;\n  };\n  /**\n   * @override\n   */\n\n\n  ScrollableLegendView.prototype.renderInner = function (itemAlign, legendModel, ecModel, api, selector, orient, selectorPosition) {\n    var self = this; // Render content items.\n\n    _super.prototype.renderInner.call(this, itemAlign, legendModel, ecModel, api, selector, orient, selectorPosition);\n\n    var controllerGroup = this._controllerGroup; // FIXME: support be 'auto' adapt to size number text length,\n    // e.g., '3/12345' should not overlap with the control arrow button.\n\n    var pageIconSize = legendModel.get('pageIconSize', true);\n    var pageIconSizeArr = zrUtil.isArray(pageIconSize) ? pageIconSize : [pageIconSize, pageIconSize];\n    createPageButton('pagePrev', 0);\n    var pageTextStyleModel = legendModel.getModel('pageTextStyle');\n    controllerGroup.add(new graphic.Text({\n      name: 'pageText',\n      style: {\n        // Placeholder to calculate a proper layout.\n        text: 'xx/xx',\n        fill: pageTextStyleModel.getTextColor(),\n        font: pageTextStyleModel.getFont(),\n        verticalAlign: 'middle',\n        align: 'center'\n      },\n      silent: true\n    }));\n    createPageButton('pageNext', 1);\n\n    function createPageButton(name, iconIdx) {\n      var pageDataIndexName = name + 'DataIndex';\n      var icon = graphic.createIcon(legendModel.get('pageIcons', true)[legendModel.getOrient().name][iconIdx], {\n        // Buttons will be created in each render, so we do not need\n        // to worry about avoiding using legendModel kept in scope.\n        onclick: zrUtil.bind(self._pageGo, self, pageDataIndexName, legendModel, api)\n      }, {\n        x: -pageIconSizeArr[0] / 2,\n        y: -pageIconSizeArr[1] / 2,\n        width: pageIconSizeArr[0],\n        height: pageIconSizeArr[1]\n      });\n      icon.name = name;\n      controllerGroup.add(icon);\n    }\n  };\n  /**\n   * @override\n   */\n\n\n  ScrollableLegendView.prototype.layoutInner = function (legendModel, itemAlign, maxSize, isFirstRender, selector, selectorPosition) {\n    var selectorGroup = this.getSelectorGroup();\n    var orientIdx = legendModel.getOrient().index;\n    var wh = WH[orientIdx];\n    var xy = XY[orientIdx];\n    var hw = WH[1 - orientIdx];\n    var yx = XY[1 - orientIdx];\n    selector && layoutUtil.box( // Buttons in selectorGroup always layout horizontally\n    'horizontal', selectorGroup, legendModel.get('selectorItemGap', true));\n    var selectorButtonGap = legendModel.get('selectorButtonGap', true);\n    var selectorRect = selectorGroup.getBoundingRect();\n    var selectorPos = [-selectorRect.x, -selectorRect.y];\n    var processMaxSize = zrUtil.clone(maxSize);\n    selector && (processMaxSize[wh] = maxSize[wh] - selectorRect[wh] - selectorButtonGap);\n\n    var mainRect = this._layoutContentAndController(legendModel, isFirstRender, processMaxSize, orientIdx, wh, hw, yx, xy);\n\n    if (selector) {\n      if (selectorPosition === 'end') {\n        selectorPos[orientIdx] += mainRect[wh] + selectorButtonGap;\n      } else {\n        var offset = selectorRect[wh] + selectorButtonGap;\n        selectorPos[orientIdx] -= offset;\n        mainRect[xy] -= offset;\n      }\n\n      mainRect[wh] += selectorRect[wh] + selectorButtonGap;\n      selectorPos[1 - orientIdx] += mainRect[yx] + mainRect[hw] / 2 - selectorRect[hw] / 2;\n      mainRect[hw] = Math.max(mainRect[hw], selectorRect[hw]);\n      mainRect[yx] = Math.min(mainRect[yx], selectorRect[yx] + selectorPos[1 - orientIdx]);\n      selectorGroup.x = selectorPos[0];\n      selectorGroup.y = selectorPos[1];\n      selectorGroup.markRedraw();\n    }\n\n    return mainRect;\n  };\n\n  ScrollableLegendView.prototype._layoutContentAndController = function (legendModel, isFirstRender, maxSize, orientIdx, wh, hw, yx, xy) {\n    var contentGroup = this.getContentGroup();\n    var containerGroup = this._containerGroup;\n    var controllerGroup = this._controllerGroup; // Place items in contentGroup.\n\n    layoutUtil.box(legendModel.get('orient'), contentGroup, legendModel.get('itemGap'), !orientIdx ? null : maxSize.width, orientIdx ? null : maxSize.height);\n    layoutUtil.box( // Buttons in controller are layout always horizontally.\n    'horizontal', controllerGroup, legendModel.get('pageButtonItemGap', true));\n    var contentRect = contentGroup.getBoundingRect();\n    var controllerRect = controllerGroup.getBoundingRect();\n    var showController = this._showController = contentRect[wh] > maxSize[wh]; // In case that the inner elements of contentGroup layout do not based on [0, 0]\n\n    var contentPos = [-contentRect.x, -contentRect.y]; // Remain contentPos when scroll animation perfroming.\n    // If first rendering, `contentGroup.position` is [0, 0], which\n    // does not make sense and may cause unexepcted animation if adopted.\n\n    if (!isFirstRender) {\n      contentPos[orientIdx] = contentGroup[xy];\n    } // Layout container group based on 0.\n\n\n    var containerPos = [0, 0];\n    var controllerPos = [-controllerRect.x, -controllerRect.y];\n    var pageButtonGap = zrUtil.retrieve2(legendModel.get('pageButtonGap', true), legendModel.get('itemGap', true)); // Place containerGroup and controllerGroup and contentGroup.\n\n    if (showController) {\n      var pageButtonPosition = legendModel.get('pageButtonPosition', true); // controller is on the right / bottom.\n\n      if (pageButtonPosition === 'end') {\n        controllerPos[orientIdx] += maxSize[wh] - controllerRect[wh];\n      } // controller is on the left / top.\n      else {\n          containerPos[orientIdx] += controllerRect[wh] + pageButtonGap;\n        }\n    } // Always align controller to content as 'middle'.\n\n\n    controllerPos[1 - orientIdx] += contentRect[hw] / 2 - controllerRect[hw] / 2;\n    contentGroup.setPosition(contentPos);\n    containerGroup.setPosition(containerPos);\n    controllerGroup.setPosition(controllerPos); // Calculate `mainRect` and set `clipPath`.\n    // mainRect should not be calculated by `this.group.getBoundingRect()`\n    // for sake of the overflow.\n\n    var mainRect = {\n      x: 0,\n      y: 0\n    }; // Consider content may be overflow (should be clipped).\n\n    mainRect[wh] = showController ? maxSize[wh] : contentRect[wh];\n    mainRect[hw] = Math.max(contentRect[hw], controllerRect[hw]); // `containerRect[yx] + containerPos[1 - orientIdx]` is 0.\n\n    mainRect[yx] = Math.min(0, controllerRect[yx] + controllerPos[1 - orientIdx]);\n    containerGroup.__rectSize = maxSize[wh];\n\n    if (showController) {\n      var clipShape = {\n        x: 0,\n        y: 0\n      };\n      clipShape[wh] = Math.max(maxSize[wh] - controllerRect[wh] - pageButtonGap, 0);\n      clipShape[hw] = mainRect[hw];\n      containerGroup.setClipPath(new graphic.Rect({\n        shape: clipShape\n      })); // Consider content may be larger than container, container rect\n      // can not be obtained from `containerGroup.getBoundingRect()`.\n\n      containerGroup.__rectSize = clipShape[wh];\n    } else {\n      // Do not remove or ignore controller. Keep them set as placeholders.\n      controllerGroup.eachChild(function (child) {\n        child.attr({\n          invisible: true,\n          silent: true\n        });\n      });\n    } // Content translate animation.\n\n\n    var pageInfo = this._getPageInfo(legendModel);\n\n    pageInfo.pageIndex != null && graphic.updateProps(contentGroup, {\n      x: pageInfo.contentPosition[0],\n      y: pageInfo.contentPosition[1]\n    }, // When switch from \"show controller\" to \"not show controller\", view should be\n    // updated immediately without animation, otherwise causes weird effect.\n    showController ? legendModel : null);\n\n    this._updatePageInfoView(legendModel, pageInfo);\n\n    return mainRect;\n  };\n\n  ScrollableLegendView.prototype._pageGo = function (to, legendModel, api) {\n    var scrollDataIndex = this._getPageInfo(legendModel)[to];\n\n    scrollDataIndex != null && api.dispatchAction({\n      type: 'legendScroll',\n      scrollDataIndex: scrollDataIndex,\n      legendId: legendModel.id\n    });\n  };\n\n  ScrollableLegendView.prototype._updatePageInfoView = function (legendModel, pageInfo) {\n    var controllerGroup = this._controllerGroup;\n    zrUtil.each(['pagePrev', 'pageNext'], function (name) {\n      var key = name + 'DataIndex';\n      var canJump = pageInfo[key] != null;\n      var icon = controllerGroup.childOfName(name);\n\n      if (icon) {\n        icon.setStyle('fill', canJump ? legendModel.get('pageIconColor', true) : legendModel.get('pageIconInactiveColor', true));\n        icon.cursor = canJump ? 'pointer' : 'default';\n      }\n    });\n    var pageText = controllerGroup.childOfName('pageText');\n    var pageFormatter = legendModel.get('pageFormatter');\n    var pageIndex = pageInfo.pageIndex;\n    var current = pageIndex != null ? pageIndex + 1 : 0;\n    var total = pageInfo.pageCount;\n    pageText && pageFormatter && pageText.setStyle('text', zrUtil.isString(pageFormatter) ? pageFormatter.replace('{current}', current == null ? '' : current + '').replace('{total}', total == null ? '' : total + '') : pageFormatter({\n      current: current,\n      total: total\n    }));\n  };\n  /**\n   *  contentPosition: Array.<number>, null when data item not found.\n   *  pageIndex: number, null when data item not found.\n   *  pageCount: number, always be a number, can be 0.\n   *  pagePrevDataIndex: number, null when no previous page.\n   *  pageNextDataIndex: number, null when no next page.\n   * }\n   */\n\n\n  ScrollableLegendView.prototype._getPageInfo = function (legendModel) {\n    var scrollDataIndex = legendModel.get('scrollDataIndex', true);\n    var contentGroup = this.getContentGroup();\n    var containerRectSize = this._containerGroup.__rectSize;\n    var orientIdx = legendModel.getOrient().index;\n    var wh = WH[orientIdx];\n    var xy = XY[orientIdx];\n\n    var targetItemIndex = this._findTargetItemIndex(scrollDataIndex);\n\n    var children = contentGroup.children();\n    var targetItem = children[targetItemIndex];\n    var itemCount = children.length;\n    var pCount = !itemCount ? 0 : 1;\n    var result = {\n      contentPosition: [contentGroup.x, contentGroup.y],\n      pageCount: pCount,\n      pageIndex: pCount - 1,\n      pagePrevDataIndex: null,\n      pageNextDataIndex: null\n    };\n\n    if (!targetItem) {\n      return result;\n    }\n\n    var targetItemInfo = getItemInfo(targetItem);\n    result.contentPosition[orientIdx] = -targetItemInfo.s; // Strategy:\n    // (1) Always align based on the left/top most item.\n    // (2) It is user-friendly that the last item shown in the\n    // current window is shown at the begining of next window.\n    // Otherwise if half of the last item is cut by the window,\n    // it will have no chance to display entirely.\n    // (3) Consider that item size probably be different, we\n    // have calculate pageIndex by size rather than item index,\n    // and we can not get page index directly by division.\n    // (4) The window is to narrow to contain more than\n    // one item, we should make sure that the page can be fliped.\n\n    for (var i = targetItemIndex + 1, winStartItemInfo = targetItemInfo, winEndItemInfo = targetItemInfo, currItemInfo = null; i <= itemCount; ++i) {\n      currItemInfo = getItemInfo(children[i]);\n\n      if ( // Half of the last item is out of the window.\n      !currItemInfo && winEndItemInfo.e > winStartItemInfo.s + containerRectSize || // If the current item does not intersect with the window, the new page\n      // can be started at the current item or the last item.\n      currItemInfo && !intersect(currItemInfo, winStartItemInfo.s)) {\n        if (winEndItemInfo.i > winStartItemInfo.i) {\n          winStartItemInfo = winEndItemInfo;\n        } else {\n          // e.g., when page size is smaller than item size.\n          winStartItemInfo = currItemInfo;\n        }\n\n        if (winStartItemInfo) {\n          if (result.pageNextDataIndex == null) {\n            result.pageNextDataIndex = winStartItemInfo.i;\n          }\n\n          ++result.pageCount;\n        }\n      }\n\n      winEndItemInfo = currItemInfo;\n    }\n\n    for (var i = targetItemIndex - 1, winStartItemInfo = targetItemInfo, winEndItemInfo = targetItemInfo, currItemInfo = null; i >= -1; --i) {\n      currItemInfo = getItemInfo(children[i]);\n\n      if ( // If the the end item does not intersect with the window started\n      // from the current item, a page can be settled.\n      (!currItemInfo || !intersect(winEndItemInfo, currItemInfo.s)) && // e.g., when page size is smaller than item size.\n      winStartItemInfo.i < winEndItemInfo.i) {\n        winEndItemInfo = winStartItemInfo;\n\n        if (result.pagePrevDataIndex == null) {\n          result.pagePrevDataIndex = winStartItemInfo.i;\n        }\n\n        ++result.pageCount;\n        ++result.pageIndex;\n      }\n\n      winStartItemInfo = currItemInfo;\n    }\n\n    return result;\n\n    function getItemInfo(el) {\n      if (el) {\n        var itemRect = el.getBoundingRect();\n        var start = itemRect[xy] + el[xy];\n        return {\n          s: start,\n          e: start + itemRect[wh],\n          i: el.__legendDataIndex\n        };\n      }\n    }\n\n    function intersect(itemInfo, winStart) {\n      return itemInfo.e >= winStart && itemInfo.s <= winStart + containerRectSize;\n    }\n  };\n\n  ScrollableLegendView.prototype._findTargetItemIndex = function (targetDataIndex) {\n    if (!this._showController) {\n      return 0;\n    }\n\n    var index;\n    var contentGroup = this.getContentGroup();\n    var defaultIndex;\n    contentGroup.eachChild(function (child, idx) {\n      var legendDataIdx = child.__legendDataIndex; // FIXME\n      // If the given targetDataIndex (from model) is illegal,\n      // we use defaultIndex. But the index on the legend model and\n      // action payload is still illegal. That case will not be\n      // changed until some scenario requires.\n\n      if (defaultIndex == null && legendDataIdx != null) {\n        defaultIndex = idx;\n      }\n\n      if (legendDataIdx === targetDataIndex) {\n        index = idx;\n      }\n    });\n    return index != null ? index : defaultIndex;\n  };\n\n  ScrollableLegendView.type = 'legend.scroll';\n  return ScrollableLegendView;\n}(LegendView);\n\nexport default ScrollableLegendView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { use } from '../../extension';\nimport { install as installLegendPlain } from './installLegendPlain';\nimport ScrollableLegendModel from './ScrollableLegendModel';\nimport ScrollableLegendView from './ScrollableLegendView';\nimport installScrollableLegendAction from './scrollableLegendAction';\nexport function install(registers) {\n  use(installLegendPlain);\n  registers.registerComponentModel(ScrollableLegendModel);\n  registers.registerComponentView(ScrollableLegendView);\n  installScrollableLegendAction(registers);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport default function installScrollableLegendAction(registers) {\n  /**\n   * @event legendScroll\n   * @type {Object}\n   * @property {string} type 'legendScroll'\n   * @property {string} scrollDataIndex\n   */\n  registers.registerAction('legendScroll', 'legendscroll', function (payload, ecModel) {\n    var scrollDataIndex = payload.scrollDataIndex;\n    scrollDataIndex != null && ecModel.eachComponent({\n      mainType: 'legend',\n      subType: 'scroll',\n      query: payload\n    }, function (legendModel) {\n      legendModel.setScrollDataIndex(scrollDataIndex);\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport DataZoomModel from './DataZoomModel';\nimport { inheritDefaultOption } from '../../util/component';\n\nvar InsideZoomModel =\n/** @class */\nfunction (_super) {\n  __extends(InsideZoomModel, _super);\n\n  function InsideZoomModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = InsideZoomModel.type;\n    return _this;\n  }\n\n  InsideZoomModel.type = 'dataZoom.inside';\n  InsideZoomModel.defaultOption = inheritDefaultOption(DataZoomModel.defaultOption, {\n    disabled: false,\n    zoomLock: false,\n    zoomOnMouseWheel: true,\n    moveOnMouseMove: true,\n    moveOnMouseWheel: false,\n    preventDefaultMouseMove: true\n  });\n  return InsideZoomModel;\n}(DataZoomModel);\n\nexport default InsideZoomModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// Only create one roam controller for each coordinate system.\n// one roam controller might be refered by two inside data zoom\n// components (for example, one for x and one for y). When user\n// pan or zoom, only dispatch one action for those data zoom\n// components.\nimport RoamController from '../../component/helper/RoamController';\nimport * as throttleUtil from '../../util/throttle';\nimport { makeInner } from '../../util/model';\nimport { each, curry, createHashMap } from 'zrender/lib/core/util';\nimport { collectReferCoordSysModelInfo } from './helper';\nvar inner = makeInner();\nexport function setViewInfoToCoordSysRecord(api, dataZoomModel, getRange) {\n  inner(api).coordSysRecordMap.each(function (coordSysRecord) {\n    var dzInfo = coordSysRecord.dataZoomInfoMap.get(dataZoomModel.uid);\n\n    if (dzInfo) {\n      dzInfo.getRange = getRange;\n    }\n  });\n}\nexport function disposeCoordSysRecordIfNeeded(api, dataZoomModel) {\n  var coordSysRecordMap = inner(api).coordSysRecordMap;\n  var coordSysKeyArr = coordSysRecordMap.keys();\n\n  for (var i = 0; i < coordSysKeyArr.length; i++) {\n    var coordSysKey = coordSysKeyArr[i];\n    var coordSysRecord = coordSysRecordMap.get(coordSysKey);\n    var dataZoomInfoMap = coordSysRecord.dataZoomInfoMap;\n\n    if (dataZoomInfoMap) {\n      var dzUid = dataZoomModel.uid;\n      var dzInfo = dataZoomInfoMap.get(dzUid);\n\n      if (dzInfo) {\n        dataZoomInfoMap.removeKey(dzUid);\n\n        if (!dataZoomInfoMap.keys().length) {\n          disposeCoordSysRecord(coordSysRecordMap, coordSysRecord);\n        }\n      }\n    }\n  }\n}\n\nfunction disposeCoordSysRecord(coordSysRecordMap, coordSysRecord) {\n  if (coordSysRecord) {\n    coordSysRecordMap.removeKey(coordSysRecord.model.uid);\n    var controller = coordSysRecord.controller;\n    controller && controller.dispose();\n  }\n}\n\nfunction createCoordSysRecord(api, coordSysModel) {\n  // These init props will never change after record created.\n  var coordSysRecord = {\n    model: coordSysModel,\n    containsPoint: curry(containsPoint, coordSysModel),\n    dispatchAction: curry(dispatchAction, api),\n    dataZoomInfoMap: null,\n    controller: null\n  }; // Must not do anything depends on coordSysRecord outside the event handler here,\n  // because coordSysRecord not completed yet.\n\n  var controller = coordSysRecord.controller = new RoamController(api.getZr());\n  each(['pan', 'zoom', 'scrollMove'], function (eventName) {\n    controller.on(eventName, function (event) {\n      var batch = [];\n      coordSysRecord.dataZoomInfoMap.each(function (dzInfo) {\n        // Check whether the behaviors (zoomOnMouseWheel, moveOnMouseMove,\n        // moveOnMouseWheel, ...) enabled.\n        if (!event.isAvailableBehavior(dzInfo.model.option)) {\n          return;\n        }\n\n        var method = (dzInfo.getRange || {})[eventName];\n        var range = method && method(dzInfo.dzReferCoordSysInfo, coordSysRecord.model.mainType, coordSysRecord.controller, event);\n        !dzInfo.model.get('disabled', true) && range && batch.push({\n          dataZoomId: dzInfo.model.id,\n          start: range[0],\n          end: range[1]\n        });\n      });\n      batch.length && coordSysRecord.dispatchAction(batch);\n    });\n  });\n  return coordSysRecord;\n}\n/**\n * This action will be throttled.\n */\n\n\nfunction dispatchAction(api, batch) {\n  api.dispatchAction({\n    type: 'dataZoom',\n    animation: {\n      easing: 'cubicOut',\n      duration: 100\n    },\n    batch: batch\n  });\n}\n\nfunction containsPoint(coordSysModel, e, x, y) {\n  return coordSysModel.coordinateSystem.containPoint([x, y]);\n}\n/**\n * Merge roamController settings when multiple dataZooms share one roamController.\n */\n\n\nfunction mergeControllerParams(dataZoomInfoMap) {\n  var controlType; // DO NOT use reserved word (true, false, undefined) as key literally. Even if encapsulated\n  // as string, it is probably revert to reserved word by compress tool. See #7411.\n\n  var prefix = 'type_';\n  var typePriority = {\n    'type_true': 2,\n    'type_move': 1,\n    'type_false': 0,\n    'type_undefined': -1\n  };\n  var preventDefaultMouseMove = true;\n  dataZoomInfoMap.each(function (dataZoomInfo) {\n    var dataZoomModel = dataZoomInfo.model;\n    var oneType = dataZoomModel.get('disabled', true) ? false : dataZoomModel.get('zoomLock', true) ? 'move' : true;\n\n    if (typePriority[prefix + oneType] > typePriority[prefix + controlType]) {\n      controlType = oneType;\n    } // Prevent default move event by default. If one false, do not prevent. Otherwise\n    // users may be confused why it does not work when multiple insideZooms exist.\n\n\n    preventDefaultMouseMove = preventDefaultMouseMove && dataZoomModel.get('preventDefaultMouseMove', true);\n  });\n  return {\n    controlType: controlType,\n    opt: {\n      // RoamController will enable all of these functionalities,\n      // and the final behavior is determined by its event listener\n      // provided by each inside zoom.\n      zoomOnMouseWheel: true,\n      moveOnMouseMove: true,\n      moveOnMouseWheel: true,\n      preventDefaultMouseMove: !!preventDefaultMouseMove\n    }\n  };\n}\n\nexport function installDataZoomRoamProcessor(registers) {\n  registers.registerProcessor(registers.PRIORITY.PROCESSOR.FILTER, function (ecModel, api) {\n    var apiInner = inner(api);\n    var coordSysRecordMap = apiInner.coordSysRecordMap || (apiInner.coordSysRecordMap = createHashMap());\n    coordSysRecordMap.each(function (coordSysRecord) {\n      // `coordSysRecordMap` always exists (becuase it hold the `roam controller`, which should\n      // better not re-create each time), but clear `dataZoomInfoMap` each round of the workflow.\n      coordSysRecord.dataZoomInfoMap = null;\n    });\n    ecModel.eachComponent({\n      mainType: 'dataZoom',\n      subType: 'inside'\n    }, function (dataZoomModel) {\n      var dzReferCoordSysWrap = collectReferCoordSysModelInfo(dataZoomModel);\n      each(dzReferCoordSysWrap.infoList, function (dzCoordSysInfo) {\n        var coordSysUid = dzCoordSysInfo.model.uid;\n        var coordSysRecord = coordSysRecordMap.get(coordSysUid) || coordSysRecordMap.set(coordSysUid, createCoordSysRecord(api, dzCoordSysInfo.model));\n        var dataZoomInfoMap = coordSysRecord.dataZoomInfoMap || (coordSysRecord.dataZoomInfoMap = createHashMap()); // Notice these props might be changed each time for a single dataZoomModel.\n\n        dataZoomInfoMap.set(dataZoomModel.uid, {\n          dzReferCoordSysInfo: dzCoordSysInfo,\n          model: dataZoomModel,\n          getRange: null\n        });\n      });\n    }); // (1) Merge dataZoom settings for each coord sys and set to the roam controller.\n    // (2) Clear coord sys if not refered by any dataZoom.\n\n    coordSysRecordMap.each(function (coordSysRecord) {\n      var controller = coordSysRecord.controller;\n      var firstDzInfo;\n      var dataZoomInfoMap = coordSysRecord.dataZoomInfoMap;\n\n      if (dataZoomInfoMap) {\n        var firstDzKey = dataZoomInfoMap.keys()[0];\n\n        if (firstDzKey != null) {\n          firstDzInfo = dataZoomInfoMap.get(firstDzKey);\n        }\n      }\n\n      if (!firstDzInfo) {\n        disposeCoordSysRecord(coordSysRecordMap, coordSysRecord);\n        return;\n      }\n\n      var controllerParams = mergeControllerParams(dataZoomInfoMap);\n      controller.enable(controllerParams.controlType, controllerParams.opt);\n      controller.setPointerChecker(coordSysRecord.containsPoint);\n      throttleUtil.createOrUpdate(coordSysRecord, 'dispatchAction', firstDzInfo.model.get('throttle', true), 'fixRate');\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport DataZoomView from './DataZoomView';\nimport sliderMove from '../helper/sliderMove';\nimport * as roams from './roams';\nimport { bind } from 'zrender/lib/core/util';\n\nvar InsideZoomView =\n/** @class */\nfunction (_super) {\n  __extends(InsideZoomView, _super);\n\n  function InsideZoomView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = 'dataZoom.inside';\n    return _this;\n  }\n\n  InsideZoomView.prototype.render = function (dataZoomModel, ecModel, api) {\n    _super.prototype.render.apply(this, arguments);\n\n    if (dataZoomModel.noTarget()) {\n      this._clear();\n\n      return;\n    } // Hence the `throttle` util ensures to preserve command order,\n    // here simply updating range all the time will not cause missing\n    // any of the the roam change.\n\n\n    this.range = dataZoomModel.getPercentRange(); // Reset controllers.\n\n    roams.setViewInfoToCoordSysRecord(api, dataZoomModel, {\n      pan: bind(getRangeHandlers.pan, this),\n      zoom: bind(getRangeHandlers.zoom, this),\n      scrollMove: bind(getRangeHandlers.scrollMove, this)\n    });\n  };\n\n  InsideZoomView.prototype.dispose = function () {\n    this._clear();\n\n    _super.prototype.dispose.apply(this, arguments);\n  };\n\n  InsideZoomView.prototype._clear = function () {\n    roams.disposeCoordSysRecordIfNeeded(this.api, this.dataZoomModel);\n    this.range = null;\n  };\n\n  InsideZoomView.type = 'dataZoom.inside';\n  return InsideZoomView;\n}(DataZoomView);\n\nvar getRangeHandlers = {\n  zoom: function (coordSysInfo, coordSysMainType, controller, e) {\n    var lastRange = this.range;\n    var range = lastRange.slice(); // Calculate transform by the first axis.\n\n    var axisModel = coordSysInfo.axisModels[0];\n\n    if (!axisModel) {\n      return;\n    }\n\n    var directionInfo = getDirectionInfo[coordSysMainType](null, [e.originX, e.originY], axisModel, controller, coordSysInfo);\n    var percentPoint = (directionInfo.signal > 0 ? directionInfo.pixelStart + directionInfo.pixelLength - directionInfo.pixel : directionInfo.pixel - directionInfo.pixelStart) / directionInfo.pixelLength * (range[1] - range[0]) + range[0];\n    var scale = Math.max(1 / e.scale, 0);\n    range[0] = (range[0] - percentPoint) * scale + percentPoint;\n    range[1] = (range[1] - percentPoint) * scale + percentPoint; // Restrict range.\n\n    var minMaxSpan = this.dataZoomModel.findRepresentativeAxisProxy().getMinMaxSpan();\n    sliderMove(0, range, [0, 100], 0, minMaxSpan.minSpan, minMaxSpan.maxSpan);\n    this.range = range;\n\n    if (lastRange[0] !== range[0] || lastRange[1] !== range[1]) {\n      return range;\n    }\n  },\n  pan: makeMover(function (range, axisModel, coordSysInfo, coordSysMainType, controller, e) {\n    var directionInfo = getDirectionInfo[coordSysMainType]([e.oldX, e.oldY], [e.newX, e.newY], axisModel, controller, coordSysInfo);\n    return directionInfo.signal * (range[1] - range[0]) * directionInfo.pixel / directionInfo.pixelLength;\n  }),\n  scrollMove: makeMover(function (range, axisModel, coordSysInfo, coordSysMainType, controller, e) {\n    var directionInfo = getDirectionInfo[coordSysMainType]([0, 0], [e.scrollDelta, e.scrollDelta], axisModel, controller, coordSysInfo);\n    return directionInfo.signal * (range[1] - range[0]) * e.scrollDelta;\n  })\n};\n\nfunction makeMover(getPercentDelta) {\n  return function (coordSysInfo, coordSysMainType, controller, e) {\n    var lastRange = this.range;\n    var range = lastRange.slice(); // Calculate transform by the first axis.\n\n    var axisModel = coordSysInfo.axisModels[0];\n\n    if (!axisModel) {\n      return;\n    }\n\n    var percentDelta = getPercentDelta(range, axisModel, coordSysInfo, coordSysMainType, controller, e);\n    sliderMove(percentDelta, range, [0, 100], 'all');\n    this.range = range;\n\n    if (lastRange[0] !== range[0] || lastRange[1] !== range[1]) {\n      return range;\n    }\n  };\n}\n\nvar getDirectionInfo = {\n  grid: function (oldPoint, newPoint, axisModel, controller, coordSysInfo) {\n    var axis = axisModel.axis;\n    var ret = {};\n    var rect = coordSysInfo.model.coordinateSystem.getRect();\n    oldPoint = oldPoint || [0, 0];\n\n    if (axis.dim === 'x') {\n      ret.pixel = newPoint[0] - oldPoint[0];\n      ret.pixelLength = rect.width;\n      ret.pixelStart = rect.x;\n      ret.signal = axis.inverse ? 1 : -1;\n    } else {\n      // axis.dim === 'y'\n      ret.pixel = newPoint[1] - oldPoint[1];\n      ret.pixelLength = rect.height;\n      ret.pixelStart = rect.y;\n      ret.signal = axis.inverse ? -1 : 1;\n    }\n\n    return ret;\n  },\n  polar: function (oldPoint, newPoint, axisModel, controller, coordSysInfo) {\n    var axis = axisModel.axis;\n    var ret = {};\n    var polar = coordSysInfo.model.coordinateSystem;\n    var radiusExtent = polar.getRadiusAxis().getExtent();\n    var angleExtent = polar.getAngleAxis().getExtent();\n    oldPoint = oldPoint ? polar.pointToCoord(oldPoint) : [0, 0];\n    newPoint = polar.pointToCoord(newPoint);\n\n    if (axisModel.mainType === 'radiusAxis') {\n      ret.pixel = newPoint[0] - oldPoint[0]; // ret.pixelLength = Math.abs(radiusExtent[1] - radiusExtent[0]);\n      // ret.pixelStart = Math.min(radiusExtent[0], radiusExtent[1]);\n\n      ret.pixelLength = radiusExtent[1] - radiusExtent[0];\n      ret.pixelStart = radiusExtent[0];\n      ret.signal = axis.inverse ? 1 : -1;\n    } else {\n      // 'angleAxis'\n      ret.pixel = newPoint[1] - oldPoint[1]; // ret.pixelLength = Math.abs(angleExtent[1] - angleExtent[0]);\n      // ret.pixelStart = Math.min(angleExtent[0], angleExtent[1]);\n\n      ret.pixelLength = angleExtent[1] - angleExtent[0];\n      ret.pixelStart = angleExtent[0];\n      ret.signal = axis.inverse ? -1 : 1;\n    }\n\n    return ret;\n  },\n  singleAxis: function (oldPoint, newPoint, axisModel, controller, coordSysInfo) {\n    var axis = axisModel.axis;\n    var rect = coordSysInfo.model.coordinateSystem.getRect();\n    var ret = {};\n    oldPoint = oldPoint || [0, 0];\n\n    if (axis.orient === 'horizontal') {\n      ret.pixel = newPoint[0] - oldPoint[0];\n      ret.pixelLength = rect.width;\n      ret.pixelStart = rect.x;\n      ret.signal = axis.inverse ? 1 : -1;\n    } else {\n      // 'vertical'\n      ret.pixel = newPoint[1] - oldPoint[1];\n      ret.pixelLength = rect.height;\n      ret.pixelStart = rect.y;\n      ret.signal = axis.inverse ? -1 : 1;\n    }\n\n    return ret;\n  }\n};\nexport default InsideZoomView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport InsideZoomModel from './InsideZoomModel';\nimport InsideZoomView from './InsideZoomView';\nimport { installDataZoomRoamProcessor } from './roams';\nimport installCommon from './installCommon';\nexport function install(registers) {\n  installCommon(registers);\n  registers.registerComponentModel(InsideZoomModel);\n  registers.registerComponentView(InsideZoomView);\n  installDataZoomRoamProcessor(registers);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport DataZoomModel from './DataZoomModel';\nimport { inheritDefaultOption } from '../../util/component';\n\nvar SliderZoomModel =\n/** @class */\nfunction (_super) {\n  __extends(SliderZoomModel, _super);\n\n  function SliderZoomModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SliderZoomModel.type;\n    return _this;\n  }\n\n  SliderZoomModel.type = 'dataZoom.slider';\n  SliderZoomModel.layoutMode = 'box';\n  SliderZoomModel.defaultOption = inheritDefaultOption(DataZoomModel.defaultOption, {\n    show: true,\n    // deault value can only be drived in view stage.\n    right: 'ph',\n    top: 'ph',\n    width: 'ph',\n    height: 'ph',\n    left: null,\n    bottom: null,\n    borderColor: '#d2dbee',\n    borderRadius: 3,\n    backgroundColor: 'rgba(47,69,84,0)',\n    // dataBackgroundColor: '#ddd',\n    dataBackground: {\n      lineStyle: {\n        color: '#d2dbee',\n        width: 0.5\n      },\n      areaStyle: {\n        color: '#d2dbee',\n        opacity: 0.2\n      }\n    },\n    selectedDataBackground: {\n      lineStyle: {\n        color: '#8fb0f7',\n        width: 0.5\n      },\n      areaStyle: {\n        color: '#8fb0f7',\n        opacity: 0.2\n      }\n    },\n    // Color of selected window.\n    fillerColor: 'rgba(135,175,274,0.2)',\n    handleIcon: 'path://M-9.35,34.56V42m0-40V9.5m-2,0h4a2,2,0,0,1,2,2v21a2,2,0,0,1-2,2h-4a2,2,0,0,1-2-2v-21A2,2,0,0,1-11.35,9.5Z',\n    // Percent of the slider height\n    handleSize: '100%',\n    handleStyle: {\n      color: '#fff',\n      borderColor: '#ACB8D1'\n    },\n    moveHandleSize: 7,\n    moveHandleIcon: 'path://M-320.9-50L-320.9-50c18.1,0,27.1,9,27.1,27.1V85.7c0,18.1-9,27.1-27.1,27.1l0,0c-18.1,0-27.1-9-27.1-27.1V-22.9C-348-41-339-50-320.9-50z M-212.3-50L-212.3-50c18.1,0,27.1,9,27.1,27.1V85.7c0,18.1-9,27.1-27.1,27.1l0,0c-18.1,0-27.1-9-27.1-27.1V-22.9C-239.4-41-230.4-50-212.3-50z M-103.7-50L-103.7-50c18.1,0,27.1,9,27.1,27.1V85.7c0,18.1-9,27.1-27.1,27.1l0,0c-18.1,0-27.1-9-27.1-27.1V-22.9C-130.9-41-121.8-50-103.7-50z',\n    moveHandleStyle: {\n      color: '#D2DBEE',\n      opacity: 0.7\n    },\n    showDetail: true,\n    showDataShadow: 'auto',\n    realtime: true,\n    zoomLock: false,\n    textStyle: {\n      color: '#6E7079'\n    },\n    brushSelect: true,\n    brushStyle: {\n      color: 'rgba(135,175,274,0.15)'\n    },\n    emphasis: {\n      handleStyle: {\n        borderColor: '#8FB0F7'\n      },\n      moveHandleStyle: {\n        color: '#8FB0F7'\n      }\n    }\n  });\n  return SliderZoomModel;\n}(DataZoomModel);\n\nexport default SliderZoomModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport { bind, each, isFunction, isString, indexOf } from 'zrender/lib/core/util';\nimport * as eventTool from 'zrender/lib/core/event';\nimport * as graphic from '../../util/graphic';\nimport * as throttle from '../../util/throttle';\nimport DataZoomView from './DataZoomView';\nimport { linearMap, asc, parsePercent } from '../../util/number';\nimport * as layout from '../../util/layout';\nimport sliderMove from '../helper/sliderMove';\nimport { getAxisMainType, collectReferCoordSysModelInfo } from './helper';\nimport { enableHoverEmphasis } from '../../util/states';\nimport { createSymbol, symbolBuildProxies } from '../../util/symbol';\nimport { deprecateLog } from '../../util/log';\nimport { createTextStyle } from \"../../label/labelStyle\";\nvar Rect = graphic.Rect; // Constants\n\nvar DEFAULT_LOCATION_EDGE_GAP = 7;\nvar DEFAULT_FRAME_BORDER_WIDTH = 1;\nvar DEFAULT_FILLER_SIZE = 30;\nvar DEFAULT_MOVE_HANDLE_SIZE = 7;\nvar HORIZONTAL = 'horizontal';\nvar VERTICAL = 'vertical';\nvar LABEL_GAP = 5;\nvar SHOW_DATA_SHADOW_SERIES_TYPE = ['line', 'bar', 'candlestick', 'scatter'];\nvar REALTIME_ANIMATION_CONFIG = {\n  easing: 'cubicOut',\n  duration: 100\n};\n\nvar SliderZoomView =\n/** @class */\nfunction (_super) {\n  __extends(SliderZoomView, _super);\n\n  function SliderZoomView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = SliderZoomView.type;\n    _this._displayables = {};\n    return _this;\n  }\n\n  SliderZoomView.prototype.init = function (ecModel, api) {\n    this.api = api; // A unique handler for each dataZoom component\n\n    this._onBrush = bind(this._onBrush, this);\n    this._onBrushEnd = bind(this._onBrushEnd, this);\n  };\n\n  SliderZoomView.prototype.render = function (dataZoomModel, ecModel, api, payload) {\n    _super.prototype.render.apply(this, arguments);\n\n    throttle.createOrUpdate(this, '_dispatchZoomAction', dataZoomModel.get('throttle'), 'fixRate');\n    this._orient = dataZoomModel.getOrient();\n\n    if (dataZoomModel.get('show') === false) {\n      this.group.removeAll();\n      return;\n    }\n\n    if (dataZoomModel.noTarget()) {\n      this._clear();\n\n      this.group.removeAll();\n      return;\n    } // Notice: this._resetInterval() should not be executed when payload.type\n    // is 'dataZoom', origin this._range should be maintained, otherwise 'pan'\n    // or 'zoom' info will be missed because of 'throttle' of this.dispatchAction,\n\n\n    if (!payload || payload.type !== 'dataZoom' || payload.from !== this.uid) {\n      this._buildView();\n    }\n\n    this._updateView();\n  };\n\n  SliderZoomView.prototype.dispose = function () {\n    this._clear();\n\n    _super.prototype.dispose.apply(this, arguments);\n  };\n\n  SliderZoomView.prototype._clear = function () {\n    throttle.clear(this, '_dispatchZoomAction');\n    var zr = this.api.getZr();\n    zr.off('mousemove', this._onBrush);\n    zr.off('mouseup', this._onBrushEnd);\n  };\n\n  SliderZoomView.prototype._buildView = function () {\n    var thisGroup = this.group;\n    thisGroup.removeAll();\n    this._brushing = false;\n    this._displayables.brushRect = null;\n\n    this._resetLocation();\n\n    this._resetInterval();\n\n    var barGroup = this._displayables.sliderGroup = new graphic.Group();\n\n    this._renderBackground();\n\n    this._renderHandle();\n\n    this._renderDataShadow();\n\n    thisGroup.add(barGroup);\n\n    this._positionGroup();\n  };\n\n  SliderZoomView.prototype._resetLocation = function () {\n    var dataZoomModel = this.dataZoomModel;\n    var api = this.api;\n    var showMoveHandle = dataZoomModel.get('brushSelect');\n    var moveHandleSize = showMoveHandle ? DEFAULT_MOVE_HANDLE_SIZE : 0; // If some of x/y/width/height are not specified,\n    // auto-adapt according to target grid.\n\n    var coordRect = this._findCoordRect();\n\n    var ecSize = {\n      width: api.getWidth(),\n      height: api.getHeight()\n    }; // Default align by coordinate system rect.\n\n    var positionInfo = this._orient === HORIZONTAL ? {\n      // Why using 'right', because right should be used in vertical,\n      // and it is better to be consistent for dealing with position param merge.\n      right: ecSize.width - coordRect.x - coordRect.width,\n      top: ecSize.height - DEFAULT_FILLER_SIZE - DEFAULT_LOCATION_EDGE_GAP - moveHandleSize,\n      width: coordRect.width,\n      height: DEFAULT_FILLER_SIZE\n    } : {\n      right: DEFAULT_LOCATION_EDGE_GAP,\n      top: coordRect.y,\n      width: DEFAULT_FILLER_SIZE,\n      height: coordRect.height\n    }; // Do not write back to option and replace value 'ph', because\n    // the 'ph' value should be recalculated when resize.\n\n    var layoutParams = layout.getLayoutParams(dataZoomModel.option); // Replace the placeholder value.\n\n    each(['right', 'top', 'width', 'height'], function (name) {\n      if (layoutParams[name] === 'ph') {\n        layoutParams[name] = positionInfo[name];\n      }\n    });\n    var layoutRect = layout.getLayoutRect(layoutParams, ecSize);\n    this._location = {\n      x: layoutRect.x,\n      y: layoutRect.y\n    };\n    this._size = [layoutRect.width, layoutRect.height];\n    this._orient === VERTICAL && this._size.reverse();\n  };\n\n  SliderZoomView.prototype._positionGroup = function () {\n    var thisGroup = this.group;\n    var location = this._location;\n    var orient = this._orient; // Just use the first axis to determine mapping.\n\n    var targetAxisModel = this.dataZoomModel.getFirstTargetAxisModel();\n    var inverse = targetAxisModel && targetAxisModel.get('inverse');\n    var sliderGroup = this._displayables.sliderGroup;\n    var otherAxisInverse = (this._dataShadowInfo || {}).otherAxisInverse; // Transform barGroup.\n\n    sliderGroup.attr(orient === HORIZONTAL && !inverse ? {\n      scaleY: otherAxisInverse ? 1 : -1,\n      scaleX: 1\n    } : orient === HORIZONTAL && inverse ? {\n      scaleY: otherAxisInverse ? 1 : -1,\n      scaleX: -1\n    } : orient === VERTICAL && !inverse ? {\n      scaleY: otherAxisInverse ? -1 : 1,\n      scaleX: 1,\n      rotation: Math.PI / 2\n    } // Dont use Math.PI, considering shadow direction.\n    : {\n      scaleY: otherAxisInverse ? -1 : 1,\n      scaleX: -1,\n      rotation: Math.PI / 2\n    }); // Position barGroup\n\n    var rect = thisGroup.getBoundingRect([sliderGroup]);\n    thisGroup.x = location.x - rect.x;\n    thisGroup.y = location.y - rect.y;\n    thisGroup.markRedraw();\n  };\n\n  SliderZoomView.prototype._getViewExtent = function () {\n    return [0, this._size[0]];\n  };\n\n  SliderZoomView.prototype._renderBackground = function () {\n    var dataZoomModel = this.dataZoomModel;\n    var size = this._size;\n    var barGroup = this._displayables.sliderGroup;\n    var brushSelect = dataZoomModel.get('brushSelect');\n    barGroup.add(new Rect({\n      silent: true,\n      shape: {\n        x: 0,\n        y: 0,\n        width: size[0],\n        height: size[1]\n      },\n      style: {\n        fill: dataZoomModel.get('backgroundColor')\n      },\n      z2: -40\n    })); // Click panel, over shadow, below handles.\n\n    var clickPanel = new Rect({\n      shape: {\n        x: 0,\n        y: 0,\n        width: size[0],\n        height: size[1]\n      },\n      style: {\n        fill: 'transparent'\n      },\n      z2: 0,\n      onclick: bind(this._onClickPanel, this)\n    });\n    var zr = this.api.getZr();\n\n    if (brushSelect) {\n      clickPanel.on('mousedown', this._onBrushStart, this);\n      clickPanel.cursor = 'crosshair';\n      zr.on('mousemove', this._onBrush);\n      zr.on('mouseup', this._onBrushEnd);\n    } else {\n      zr.off('mousemove', this._onBrush);\n      zr.off('mouseup', this._onBrushEnd);\n    }\n\n    barGroup.add(clickPanel);\n  };\n\n  SliderZoomView.prototype._renderDataShadow = function () {\n    var info = this._dataShadowInfo = this._prepareDataShadowInfo();\n\n    this._displayables.dataShadowSegs = [];\n\n    if (!info) {\n      return;\n    }\n\n    var size = this._size;\n    var seriesModel = info.series;\n    var data = seriesModel.getRawData();\n    var otherDim = seriesModel.getShadowDim ? seriesModel.getShadowDim() // @see candlestick\n    : info.otherDim;\n\n    if (otherDim == null) {\n      return;\n    }\n\n    var otherDataExtent = data.getDataExtent(otherDim); // Nice extent.\n\n    var otherOffset = (otherDataExtent[1] - otherDataExtent[0]) * 0.3;\n    otherDataExtent = [otherDataExtent[0] - otherOffset, otherDataExtent[1] + otherOffset];\n    var otherShadowExtent = [0, size[1]];\n    var thisShadowExtent = [0, size[0]];\n    var areaPoints = [[size[0], 0], [0, 0]];\n    var linePoints = [];\n    var step = thisShadowExtent[1] / (data.count() - 1);\n    var thisCoord = 0; // Optimize for large data shadow\n\n    var stride = Math.round(data.count() / size[0]);\n    var lastIsEmpty;\n    data.each([otherDim], function (value, index) {\n      if (stride > 0 && index % stride) {\n        thisCoord += step;\n        return;\n      } // FIXME\n      // Should consider axis.min/axis.max when drawing dataShadow.\n      // FIXME\n      // 应该使用统一的空判断？还是在list里进行空判断？\n\n\n      var isEmpty = value == null || isNaN(value) || value === ''; // See #4235.\n\n      var otherCoord = isEmpty ? 0 : linearMap(value, otherDataExtent, otherShadowExtent, true); // Attempt to draw data shadow precisely when there are empty value.\n\n      if (isEmpty && !lastIsEmpty && index) {\n        areaPoints.push([areaPoints[areaPoints.length - 1][0], 0]);\n        linePoints.push([linePoints[linePoints.length - 1][0], 0]);\n      } else if (!isEmpty && lastIsEmpty) {\n        areaPoints.push([thisCoord, 0]);\n        linePoints.push([thisCoord, 0]);\n      }\n\n      areaPoints.push([thisCoord, otherCoord]);\n      linePoints.push([thisCoord, otherCoord]);\n      thisCoord += step;\n      lastIsEmpty = isEmpty;\n    });\n    var dataZoomModel = this.dataZoomModel;\n\n    function createDataShadowGroup(isSelectedArea) {\n      var model = dataZoomModel.getModel(isSelectedArea ? 'selectedDataBackground' : 'dataBackground');\n      var group = new graphic.Group();\n      var polygon = new graphic.Polygon({\n        shape: {\n          points: areaPoints\n        },\n        segmentIgnoreThreshold: 1,\n        style: model.getModel('areaStyle').getAreaStyle(),\n        silent: true,\n        z2: -20\n      });\n      var polyline = new graphic.Polyline({\n        shape: {\n          points: linePoints\n        },\n        segmentIgnoreThreshold: 1,\n        style: model.getModel('lineStyle').getLineStyle(),\n        silent: true,\n        z2: -19\n      });\n      group.add(polygon);\n      group.add(polyline);\n      return group;\n    } // let dataBackgroundModel = dataZoomModel.getModel('dataBackground');\n\n\n    for (var i = 0; i < 3; i++) {\n      var group = createDataShadowGroup(i === 1);\n\n      this._displayables.sliderGroup.add(group);\n\n      this._displayables.dataShadowSegs.push(group);\n    }\n  };\n\n  SliderZoomView.prototype._prepareDataShadowInfo = function () {\n    var dataZoomModel = this.dataZoomModel;\n    var showDataShadow = dataZoomModel.get('showDataShadow');\n\n    if (showDataShadow === false) {\n      return;\n    } // Find a representative series.\n\n\n    var result;\n    var ecModel = this.ecModel;\n    dataZoomModel.eachTargetAxis(function (axisDim, axisIndex) {\n      var seriesModels = dataZoomModel.getAxisProxy(axisDim, axisIndex).getTargetSeriesModels();\n      each(seriesModels, function (seriesModel) {\n        if (result) {\n          return;\n        }\n\n        if (showDataShadow !== true && indexOf(SHOW_DATA_SHADOW_SERIES_TYPE, seriesModel.get('type')) < 0) {\n          return;\n        }\n\n        var thisAxis = ecModel.getComponent(getAxisMainType(axisDim), axisIndex).axis;\n        var otherDim = getOtherDim(axisDim);\n        var otherAxisInverse;\n        var coordSys = seriesModel.coordinateSystem;\n\n        if (otherDim != null && coordSys.getOtherAxis) {\n          otherAxisInverse = coordSys.getOtherAxis(thisAxis).inverse;\n        }\n\n        otherDim = seriesModel.getData().mapDimension(otherDim);\n        result = {\n          thisAxis: thisAxis,\n          series: seriesModel,\n          thisDim: axisDim,\n          otherDim: otherDim,\n          otherAxisInverse: otherAxisInverse\n        };\n      }, this);\n    }, this);\n    return result;\n  };\n\n  SliderZoomView.prototype._renderHandle = function () {\n    var thisGroup = this.group;\n    var displayables = this._displayables;\n    var handles = displayables.handles = [null, null];\n    var handleLabels = displayables.handleLabels = [null, null];\n    var sliderGroup = this._displayables.sliderGroup;\n    var size = this._size;\n    var dataZoomModel = this.dataZoomModel;\n    var api = this.api;\n    var borderRadius = dataZoomModel.get('borderRadius') || 0;\n    var brushSelect = dataZoomModel.get('brushSelect');\n    var filler = displayables.filler = new Rect({\n      silent: brushSelect,\n      style: {\n        fill: dataZoomModel.get('fillerColor')\n      },\n      textConfig: {\n        position: 'inside'\n      }\n    });\n    sliderGroup.add(filler); // Frame border.\n\n    sliderGroup.add(new Rect({\n      silent: true,\n      subPixelOptimize: true,\n      shape: {\n        x: 0,\n        y: 0,\n        width: size[0],\n        height: size[1],\n        r: borderRadius\n      },\n      style: {\n        stroke: dataZoomModel.get('dataBackgroundColor') // deprecated option\n        || dataZoomModel.get('borderColor'),\n        lineWidth: DEFAULT_FRAME_BORDER_WIDTH,\n        fill: 'rgba(0,0,0,0)'\n      }\n    })); // Left and right handle to resize\n\n    each([0, 1], function (handleIndex) {\n      var iconStr = dataZoomModel.get('handleIcon');\n\n      if (!symbolBuildProxies[iconStr] && iconStr.indexOf('path://') < 0 && iconStr.indexOf('image://') < 0) {\n        // Compatitable with the old icon parsers. Which can use a path string without path://\n        iconStr = 'path://' + iconStr;\n\n        if (process.env.NODE_ENV !== 'production') {\n          deprecateLog('handleIcon now needs \\'path://\\' prefix when using a path string');\n        }\n      }\n\n      var path = createSymbol(iconStr, -1, 0, 2, 2, null, true);\n      path.attr({\n        cursor: getCursor(this._orient),\n        draggable: true,\n        drift: bind(this._onDragMove, this, handleIndex),\n        ondragend: bind(this._onDragEnd, this),\n        onmouseover: bind(this._showDataInfo, this, true),\n        onmouseout: bind(this._showDataInfo, this, false),\n        z2: 5\n      });\n      var bRect = path.getBoundingRect();\n      var handleSize = dataZoomModel.get('handleSize');\n      this._handleHeight = parsePercent(handleSize, this._size[1]);\n      this._handleWidth = bRect.width / bRect.height * this._handleHeight;\n      path.setStyle(dataZoomModel.getModel('handleStyle').getItemStyle());\n      path.style.strokeNoScale = true;\n      path.rectHover = true;\n      path.ensureState('emphasis').style = dataZoomModel.getModel(['emphasis', 'handleStyle']).getItemStyle();\n      enableHoverEmphasis(path);\n      var handleColor = dataZoomModel.get('handleColor'); // deprecated option\n      // Compatitable with previous version\n\n      if (handleColor != null) {\n        path.style.fill = handleColor;\n      }\n\n      sliderGroup.add(handles[handleIndex] = path);\n      var textStyleModel = dataZoomModel.getModel('textStyle');\n      thisGroup.add(handleLabels[handleIndex] = new graphic.Text({\n        silent: true,\n        invisible: true,\n        style: createTextStyle(textStyleModel, {\n          x: 0,\n          y: 0,\n          text: '',\n          verticalAlign: 'middle',\n          align: 'center',\n          fill: textStyleModel.getTextColor(),\n          font: textStyleModel.getFont()\n        }),\n        z2: 10\n      }));\n    }, this); // Handle to move. Only visible when brushSelect is set true.\n\n    var actualMoveZone = filler;\n\n    if (brushSelect) {\n      var moveHandleHeight = parsePercent(dataZoomModel.get('moveHandleSize'), size[1]);\n      var moveHandle_1 = displayables.moveHandle = new graphic.Rect({\n        style: dataZoomModel.getModel('moveHandleStyle').getItemStyle(),\n        silent: true,\n        shape: {\n          r: [0, 0, 2, 2],\n          y: size[1] - 0.5,\n          height: moveHandleHeight\n        }\n      });\n      var iconSize = moveHandleHeight * 0.8;\n      var moveHandleIcon = displayables.moveHandleIcon = createSymbol(dataZoomModel.get('moveHandleIcon'), -iconSize / 2, -iconSize / 2, iconSize, iconSize, '#fff', true);\n      moveHandleIcon.silent = true;\n      moveHandleIcon.y = size[1] + moveHandleHeight / 2 - 0.5;\n      moveHandle_1.ensureState('emphasis').style = dataZoomModel.getModel(['emphasis', 'moveHandleStyle']).getItemStyle();\n      var moveZoneExpandSize = Math.min(size[1] / 2, Math.max(moveHandleHeight, 10));\n      actualMoveZone = displayables.moveZone = new graphic.Rect({\n        invisible: true,\n        shape: {\n          y: size[1] - moveZoneExpandSize,\n          height: moveHandleHeight + moveZoneExpandSize\n        }\n      });\n      actualMoveZone.on('mouseover', function () {\n        api.enterEmphasis(moveHandle_1);\n      }).on('mouseout', function () {\n        api.leaveEmphasis(moveHandle_1);\n      });\n      sliderGroup.add(moveHandle_1);\n      sliderGroup.add(moveHandleIcon);\n      sliderGroup.add(actualMoveZone);\n    }\n\n    actualMoveZone.attr({\n      draggable: true,\n      cursor: getCursor(this._orient),\n      drift: bind(this._onDragMove, this, 'all'),\n      ondragstart: bind(this._showDataInfo, this, true),\n      ondragend: bind(this._onDragEnd, this),\n      onmouseover: bind(this._showDataInfo, this, true),\n      onmouseout: bind(this._showDataInfo, this, false)\n    });\n  };\n\n  SliderZoomView.prototype._resetInterval = function () {\n    var range = this._range = this.dataZoomModel.getPercentRange();\n\n    var viewExtent = this._getViewExtent();\n\n    this._handleEnds = [linearMap(range[0], [0, 100], viewExtent, true), linearMap(range[1], [0, 100], viewExtent, true)];\n  };\n\n  SliderZoomView.prototype._updateInterval = function (handleIndex, delta) {\n    var dataZoomModel = this.dataZoomModel;\n    var handleEnds = this._handleEnds;\n\n    var viewExtend = this._getViewExtent();\n\n    var minMaxSpan = dataZoomModel.findRepresentativeAxisProxy().getMinMaxSpan();\n    var percentExtent = [0, 100];\n    sliderMove(delta, handleEnds, viewExtend, dataZoomModel.get('zoomLock') ? 'all' : handleIndex, minMaxSpan.minSpan != null ? linearMap(minMaxSpan.minSpan, percentExtent, viewExtend, true) : null, minMaxSpan.maxSpan != null ? linearMap(minMaxSpan.maxSpan, percentExtent, viewExtend, true) : null);\n    var lastRange = this._range;\n    var range = this._range = asc([linearMap(handleEnds[0], viewExtend, percentExtent, true), linearMap(handleEnds[1], viewExtend, percentExtent, true)]);\n    return !lastRange || lastRange[0] !== range[0] || lastRange[1] !== range[1];\n  };\n\n  SliderZoomView.prototype._updateView = function (nonRealtime) {\n    var displaybles = this._displayables;\n    var handleEnds = this._handleEnds;\n    var handleInterval = asc(handleEnds.slice());\n    var size = this._size;\n    each([0, 1], function (handleIndex) {\n      // Handles\n      var handle = displaybles.handles[handleIndex];\n      var handleHeight = this._handleHeight;\n      handle.attr({\n        scaleX: handleHeight / 2,\n        scaleY: handleHeight / 2,\n        // This is a trick, by adding an extra tiny offset to let the default handle's end point align to the drag window.\n        // NOTE: It may affect some custom shapes a bit. But we prefer to have better result by default.\n        x: handleEnds[handleIndex] + (handleIndex ? -1 : 1),\n        y: size[1] / 2 - handleHeight / 2\n      });\n    }, this); // Filler\n\n    displaybles.filler.setShape({\n      x: handleInterval[0],\n      y: 0,\n      width: handleInterval[1] - handleInterval[0],\n      height: size[1]\n    });\n    var viewExtent = {\n      x: handleInterval[0],\n      width: handleInterval[1] - handleInterval[0]\n    }; // Move handle\n\n    if (displaybles.moveHandle) {\n      displaybles.moveHandle.setShape(viewExtent);\n      displaybles.moveZone.setShape(viewExtent); // Force update path on the invisible object\n\n      displaybles.moveZone.getBoundingRect();\n      displaybles.moveHandleIcon && displaybles.moveHandleIcon.attr('x', viewExtent.x + viewExtent.width / 2);\n    } // update clip path of shadow.\n\n\n    var dataShadowSegs = displaybles.dataShadowSegs;\n    var segIntervals = [0, handleInterval[0], handleInterval[1], size[0]];\n\n    for (var i = 0; i < dataShadowSegs.length; i++) {\n      var segGroup = dataShadowSegs[i];\n      var clipPath = segGroup.getClipPath();\n\n      if (!clipPath) {\n        clipPath = new graphic.Rect();\n        segGroup.setClipPath(clipPath);\n      }\n\n      clipPath.setShape({\n        x: segIntervals[i],\n        y: 0,\n        width: segIntervals[i + 1] - segIntervals[i],\n        height: size[1]\n      });\n    }\n\n    this._updateDataInfo(nonRealtime);\n  };\n\n  SliderZoomView.prototype._updateDataInfo = function (nonRealtime) {\n    var dataZoomModel = this.dataZoomModel;\n    var displaybles = this._displayables;\n    var handleLabels = displaybles.handleLabels;\n    var orient = this._orient;\n    var labelTexts = ['', '']; // FIXME\n    // date型，支持formatter，autoformatter（ec2 date.getAutoFormatter）\n\n    if (dataZoomModel.get('showDetail')) {\n      var axisProxy = dataZoomModel.findRepresentativeAxisProxy();\n\n      if (axisProxy) {\n        var axis = axisProxy.getAxisModel().axis;\n        var range = this._range;\n        var dataInterval = nonRealtime // See #4434, data and axis are not processed and reset yet in non-realtime mode.\n        ? axisProxy.calculateDataWindow({\n          start: range[0],\n          end: range[1]\n        }).valueWindow : axisProxy.getDataValueWindow();\n        labelTexts = [this._formatLabel(dataInterval[0], axis), this._formatLabel(dataInterval[1], axis)];\n      }\n    }\n\n    var orderedHandleEnds = asc(this._handleEnds.slice());\n    setLabel.call(this, 0);\n    setLabel.call(this, 1);\n\n    function setLabel(handleIndex) {\n      // Label\n      // Text should not transform by barGroup.\n      // Ignore handlers transform\n      var barTransform = graphic.getTransform(displaybles.handles[handleIndex].parent, this.group);\n      var direction = graphic.transformDirection(handleIndex === 0 ? 'right' : 'left', barTransform);\n      var offset = this._handleWidth / 2 + LABEL_GAP;\n      var textPoint = graphic.applyTransform([orderedHandleEnds[handleIndex] + (handleIndex === 0 ? -offset : offset), this._size[1] / 2], barTransform);\n      handleLabels[handleIndex].setStyle({\n        x: textPoint[0],\n        y: textPoint[1],\n        verticalAlign: orient === HORIZONTAL ? 'middle' : direction,\n        align: orient === HORIZONTAL ? direction : 'center',\n        text: labelTexts[handleIndex]\n      });\n    }\n  };\n\n  SliderZoomView.prototype._formatLabel = function (value, axis) {\n    var dataZoomModel = this.dataZoomModel;\n    var labelFormatter = dataZoomModel.get('labelFormatter');\n    var labelPrecision = dataZoomModel.get('labelPrecision');\n\n    if (labelPrecision == null || labelPrecision === 'auto') {\n      labelPrecision = axis.getPixelPrecision();\n    }\n\n    var valueStr = value == null || isNaN(value) ? '' // FIXME Glue code\n    : axis.type === 'category' || axis.type === 'time' ? axis.scale.getLabel({\n      value: Math.round(value)\n    }) // param of toFixed should less then 20.\n    : value.toFixed(Math.min(labelPrecision, 20));\n    return isFunction(labelFormatter) ? labelFormatter(value, valueStr) : isString(labelFormatter) ? labelFormatter.replace('{value}', valueStr) : valueStr;\n  };\n  /**\n   * @param showOrHide true: show, false: hide\n   */\n\n\n  SliderZoomView.prototype._showDataInfo = function (showOrHide) {\n    // Always show when drgging.\n    showOrHide = this._dragging || showOrHide;\n    var displayables = this._displayables;\n    var handleLabels = displayables.handleLabels;\n    handleLabels[0].attr('invisible', !showOrHide);\n    handleLabels[1].attr('invisible', !showOrHide); // Highlight move handle\n\n    displayables.moveHandle && this.api[showOrHide ? 'enterEmphasis' : 'leaveEmphasis'](displayables.moveHandle, 1);\n  };\n\n  SliderZoomView.prototype._onDragMove = function (handleIndex, dx, dy, event) {\n    this._dragging = true; // For mobile device, prevent screen slider on the button.\n\n    eventTool.stop(event.event); // Transform dx, dy to bar coordination.\n\n    var barTransform = this._displayables.sliderGroup.getLocalTransform();\n\n    var vertex = graphic.applyTransform([dx, dy], barTransform, true);\n\n    var changed = this._updateInterval(handleIndex, vertex[0]);\n\n    var realtime = this.dataZoomModel.get('realtime');\n\n    this._updateView(!realtime); // Avoid dispatch dataZoom repeatly but range not changed,\n    // which cause bad visual effect when progressive enabled.\n\n\n    changed && realtime && this._dispatchZoomAction(true);\n  };\n\n  SliderZoomView.prototype._onDragEnd = function () {\n    this._dragging = false;\n\n    this._showDataInfo(false); // While in realtime mode and stream mode, dispatch action when\n    // drag end will cause the whole view rerender, which is unnecessary.\n\n\n    var realtime = this.dataZoomModel.get('realtime');\n    !realtime && this._dispatchZoomAction(false);\n  };\n\n  SliderZoomView.prototype._onClickPanel = function (e) {\n    var size = this._size;\n\n    var localPoint = this._displayables.sliderGroup.transformCoordToLocal(e.offsetX, e.offsetY);\n\n    if (localPoint[0] < 0 || localPoint[0] > size[0] || localPoint[1] < 0 || localPoint[1] > size[1]) {\n      return;\n    }\n\n    var handleEnds = this._handleEnds;\n    var center = (handleEnds[0] + handleEnds[1]) / 2;\n\n    var changed = this._updateInterval('all', localPoint[0] - center);\n\n    this._updateView();\n\n    changed && this._dispatchZoomAction(false);\n  };\n\n  SliderZoomView.prototype._onBrushStart = function (e) {\n    var x = e.offsetX;\n    var y = e.offsetY;\n    this._brushStart = new graphic.Point(x, y);\n    this._brushing = true;\n    this._brushStartTime = +new Date(); // this._updateBrushRect(x, y);\n  };\n\n  SliderZoomView.prototype._onBrushEnd = function (e) {\n    if (!this._brushing) {\n      return;\n    }\n\n    var brushRect = this._displayables.brushRect;\n    this._brushing = false;\n\n    if (!brushRect) {\n      return;\n    }\n\n    brushRect.attr('ignore', true);\n    var brushShape = brushRect.shape;\n    var brushEndTime = +new Date(); // console.log(brushEndTime - this._brushStartTime);\n\n    if (brushEndTime - this._brushStartTime < 200 && Math.abs(brushShape.width) < 5) {\n      // Will treat it as a click\n      return;\n    }\n\n    var viewExtend = this._getViewExtent();\n\n    var percentExtent = [0, 100];\n    this._range = asc([linearMap(brushShape.x, viewExtend, percentExtent, true), linearMap(brushShape.x + brushShape.width, viewExtend, percentExtent, true)]);\n    this._handleEnds = [brushShape.x, brushShape.x + brushShape.width];\n\n    this._updateView();\n\n    this._dispatchZoomAction(false);\n  };\n\n  SliderZoomView.prototype._onBrush = function (e) {\n    if (this._brushing) {\n      // For mobile device, prevent screen slider on the button.\n      eventTool.stop(e.event);\n\n      this._updateBrushRect(e.offsetX, e.offsetY);\n    }\n  };\n\n  SliderZoomView.prototype._updateBrushRect = function (mouseX, mouseY) {\n    var displayables = this._displayables;\n    var dataZoomModel = this.dataZoomModel;\n    var brushRect = displayables.brushRect;\n\n    if (!brushRect) {\n      brushRect = displayables.brushRect = new Rect({\n        silent: true,\n        style: dataZoomModel.getModel('brushStyle').getItemStyle()\n      });\n      displayables.sliderGroup.add(brushRect);\n    }\n\n    brushRect.attr('ignore', false);\n    var brushStart = this._brushStart;\n    var sliderGroup = this._displayables.sliderGroup;\n    var endPoint = sliderGroup.transformCoordToLocal(mouseX, mouseY);\n    var startPoint = sliderGroup.transformCoordToLocal(brushStart.x, brushStart.y);\n    var size = this._size;\n    endPoint[0] = Math.max(Math.min(size[0], endPoint[0]), 0);\n    brushRect.setShape({\n      x: startPoint[0],\n      y: 0,\n      width: endPoint[0] - startPoint[0],\n      height: size[1]\n    });\n  };\n  /**\n   * This action will be throttled.\n   */\n\n\n  SliderZoomView.prototype._dispatchZoomAction = function (realtime) {\n    var range = this._range;\n    this.api.dispatchAction({\n      type: 'dataZoom',\n      from: this.uid,\n      dataZoomId: this.dataZoomModel.id,\n      animation: realtime ? REALTIME_ANIMATION_CONFIG : null,\n      start: range[0],\n      end: range[1]\n    });\n  };\n\n  SliderZoomView.prototype._findCoordRect = function () {\n    // Find the grid coresponding to the first axis referred by dataZoom.\n    var rect;\n    var coordSysInfoList = collectReferCoordSysModelInfo(this.dataZoomModel).infoList;\n\n    if (!rect && coordSysInfoList.length) {\n      var coordSys = coordSysInfoList[0].model.coordinateSystem;\n      rect = coordSys.getRect && coordSys.getRect();\n    }\n\n    if (!rect) {\n      var width = this.api.getWidth();\n      var height = this.api.getHeight();\n      rect = {\n        x: width * 0.2,\n        y: height * 0.2,\n        width: width * 0.6,\n        height: height * 0.6\n      };\n    }\n\n    return rect;\n  };\n\n  SliderZoomView.type = 'dataZoom.slider';\n  return SliderZoomView;\n}(DataZoomView);\n\nfunction getOtherDim(thisDim) {\n  // FIXME\n  // 这个逻辑和getOtherAxis里一致，但是写在这里是否不好\n  var map = {\n    x: 'y',\n    y: 'x',\n    radius: 'angle',\n    angle: 'radius'\n  };\n  return map[thisDim];\n}\n\nfunction getCursor(orient) {\n  return orient === 'vertical' ? 'ns-resize' : 'ew-resize';\n}\n\nexport default SliderZoomView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport SliderZoomModel from './SliderZoomModel';\nimport SliderZoomView from './SliderZoomView';\nimport installCommon from './installCommon';\nexport function install(registers) {\n  registers.registerComponentModel(SliderZoomModel);\n  registers.registerComponentView(SliderZoomView);\n  installCommon(registers);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * @file Visual mapping.\n */\nimport * as zrUtil from 'zrender/lib/core/util';\nvar visualDefault = {\n  /**\n   * @public\n   */\n  get: function (visualType, key, isCategory) {\n    var value = zrUtil.clone((defaultOption[visualType] || {})[key]);\n    return isCategory ? zrUtil.isArray(value) ? value[value.length - 1] : value : value;\n  }\n};\nvar defaultOption = {\n  color: {\n    active: ['#006edd', '#e0ffff'],\n    inactive: ['rgba(0,0,0,0)']\n  },\n  colorHue: {\n    active: [0, 360],\n    inactive: [0, 0]\n  },\n  colorSaturation: {\n    active: [0.3, 1],\n    inactive: [0, 0]\n  },\n  colorLightness: {\n    active: [0.9, 0.5],\n    inactive: [0, 0]\n  },\n  colorAlpha: {\n    active: [0.3, 1],\n    inactive: [0, 0]\n  },\n  opacity: {\n    active: [0.3, 1],\n    inactive: [0, 0]\n  },\n  symbol: {\n    active: ['circle', 'roundRect', 'diamond'],\n    inactive: ['none']\n  },\n  symbolSize: {\n    active: [10, 50],\n    inactive: [0, 0]\n  }\n};\nexport default visualDefault;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport env from 'zrender/lib/core/env';\nimport visualDefault from '../../visual/visualDefault';\nimport VisualMapping from '../../visual/VisualMapping';\nimport * as visualSolution from '../../visual/visualSolution';\nimport * as modelUtil from '../../util/model';\nimport * as numberUtil from '../../util/number';\nimport ComponentModel from '../../model/Component';\nvar mapVisual = VisualMapping.mapVisual;\nvar eachVisual = VisualMapping.eachVisual;\nvar isArray = zrUtil.isArray;\nvar each = zrUtil.each;\nvar asc = numberUtil.asc;\nvar linearMap = numberUtil.linearMap;\n\nvar VisualMapModel =\n/** @class */\nfunction (_super) {\n  __extends(VisualMapModel, _super);\n\n  function VisualMapModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = VisualMapModel.type;\n    _this.stateList = ['inRange', 'outOfRange'];\n    _this.replacableOptionKeys = ['inRange', 'outOfRange', 'target', 'controller', 'color'];\n    _this.layoutMode = {\n      type: 'box',\n      ignoreSize: true\n    };\n    /**\n     * [lowerBound, upperBound]\n     */\n\n    _this.dataBound = [-Infinity, Infinity];\n    _this.targetVisuals = {};\n    _this.controllerVisuals = {};\n    return _this;\n  }\n\n  VisualMapModel.prototype.init = function (option, parentModel, ecModel) {\n    this.mergeDefaultAndTheme(option, ecModel);\n  };\n  /**\n   * @protected\n   */\n\n\n  VisualMapModel.prototype.optionUpdated = function (newOption, isInit) {\n    var thisOption = this.option; // FIXME\n    // necessary?\n    // Disable realtime view update if canvas is not supported.\n\n    if (!env.canvasSupported) {\n      thisOption.realtime = false;\n    }\n\n    !isInit && visualSolution.replaceVisualOption(thisOption, newOption, this.replacableOptionKeys);\n    this.textStyleModel = this.getModel('textStyle');\n    this.resetItemSize();\n    this.completeVisualOption();\n  };\n  /**\n   * @protected\n   */\n\n\n  VisualMapModel.prototype.resetVisual = function (supplementVisualOption) {\n    var stateList = this.stateList;\n    supplementVisualOption = zrUtil.bind(supplementVisualOption, this);\n    this.controllerVisuals = visualSolution.createVisualMappings(this.option.controller, stateList, supplementVisualOption);\n    this.targetVisuals = visualSolution.createVisualMappings(this.option.target, stateList, supplementVisualOption);\n  };\n  /**\n   * @public\n   */\n\n\n  VisualMapModel.prototype.getItemSymbol = function () {\n    return null;\n  };\n  /**\n   * @protected\n   * @return {Array.<number>} An array of series indices.\n   */\n\n\n  VisualMapModel.prototype.getTargetSeriesIndices = function () {\n    var optionSeriesIndex = this.option.seriesIndex;\n    var seriesIndices = [];\n\n    if (optionSeriesIndex == null || optionSeriesIndex === 'all') {\n      this.ecModel.eachSeries(function (seriesModel, index) {\n        seriesIndices.push(index);\n      });\n    } else {\n      seriesIndices = modelUtil.normalizeToArray(optionSeriesIndex);\n    }\n\n    return seriesIndices;\n  };\n  /**\n   * @public\n   */\n\n\n  VisualMapModel.prototype.eachTargetSeries = function (callback, context) {\n    zrUtil.each(this.getTargetSeriesIndices(), function (seriesIndex) {\n      var seriesModel = this.ecModel.getSeriesByIndex(seriesIndex);\n\n      if (seriesModel) {\n        callback.call(context, seriesModel);\n      }\n    }, this);\n  };\n  /**\n   * @pubilc\n   */\n\n\n  VisualMapModel.prototype.isTargetSeries = function (seriesModel) {\n    var is = false;\n    this.eachTargetSeries(function (model) {\n      model === seriesModel && (is = true);\n    });\n    return is;\n  };\n  /**\n   * @example\n   * this.formatValueText(someVal); // format single numeric value to text.\n   * this.formatValueText(someVal, true); // format single category value to text.\n   * this.formatValueText([min, max]); // format numeric min-max to text.\n   * this.formatValueText([this.dataBound[0], max]); // using data lower bound.\n   * this.formatValueText([min, this.dataBound[1]]); // using data upper bound.\n   *\n   * @param value Real value, or this.dataBound[0 or 1].\n   * @param isCategory Only available when value is number.\n   * @param edgeSymbols Open-close symbol when value is interval.\n   * @protected\n   */\n\n\n  VisualMapModel.prototype.formatValueText = function (value, isCategory, edgeSymbols) {\n    var option = this.option;\n    var precision = option.precision;\n    var dataBound = this.dataBound;\n    var formatter = option.formatter;\n    var isMinMax;\n    edgeSymbols = edgeSymbols || ['<', '>'];\n\n    if (zrUtil.isArray(value)) {\n      value = value.slice();\n      isMinMax = true;\n    }\n\n    var textValue = isCategory ? value // Value is string when isCategory\n    : isMinMax ? [toFixed(value[0]), toFixed(value[1])] : toFixed(value);\n\n    if (zrUtil.isString(formatter)) {\n      return formatter.replace('{value}', isMinMax ? textValue[0] : textValue).replace('{value2}', isMinMax ? textValue[1] : textValue);\n    } else if (zrUtil.isFunction(formatter)) {\n      return isMinMax ? formatter(value[0], value[1]) : formatter(value);\n    }\n\n    if (isMinMax) {\n      if (value[0] === dataBound[0]) {\n        return edgeSymbols[0] + ' ' + textValue[1];\n      } else if (value[1] === dataBound[1]) {\n        return edgeSymbols[1] + ' ' + textValue[0];\n      } else {\n        return textValue[0] + ' - ' + textValue[1];\n      }\n    } else {\n      // Format single value (includes category case).\n      return textValue;\n    }\n\n    function toFixed(val) {\n      return val === dataBound[0] ? 'min' : val === dataBound[1] ? 'max' : (+val).toFixed(Math.min(precision, 20));\n    }\n  };\n  /**\n   * @protected\n   */\n\n\n  VisualMapModel.prototype.resetExtent = function () {\n    var thisOption = this.option; // Can not calculate data extent by data here.\n    // Because series and data may be modified in processing stage.\n    // So we do not support the feature \"auto min/max\".\n\n    var extent = asc([thisOption.min, thisOption.max]);\n    this._dataExtent = extent;\n  };\n  /**\n   * Return  Concrete dimention. If return null/undefined, no dimension used.\n   */\n\n\n  VisualMapModel.prototype.getDataDimension = function (list) {\n    var optDim = this.option.dimension;\n    var listDimensions = list.dimensions;\n\n    if (optDim == null && !listDimensions.length) {\n      return;\n    }\n\n    if (optDim != null) {\n      return list.getDimension(optDim);\n    }\n\n    var dimNames = list.dimensions;\n\n    for (var i = dimNames.length - 1; i >= 0; i--) {\n      var dimName = dimNames[i];\n      var dimInfo = list.getDimensionInfo(dimName);\n\n      if (!dimInfo.isCalculationCoord) {\n        return dimName;\n      }\n    }\n  };\n\n  VisualMapModel.prototype.getExtent = function () {\n    return this._dataExtent.slice();\n  };\n\n  VisualMapModel.prototype.completeVisualOption = function () {\n    var ecModel = this.ecModel;\n    var thisOption = this.option;\n    var base = {\n      inRange: thisOption.inRange,\n      outOfRange: thisOption.outOfRange\n    };\n    var target = thisOption.target || (thisOption.target = {});\n    var controller = thisOption.controller || (thisOption.controller = {});\n    zrUtil.merge(target, base); // Do not override\n\n    zrUtil.merge(controller, base); // Do not override\n\n    var isCategory = this.isCategory();\n    completeSingle.call(this, target);\n    completeSingle.call(this, controller);\n    completeInactive.call(this, target, 'inRange', 'outOfRange'); // completeInactive.call(this, target, 'outOfRange', 'inRange');\n\n    completeController.call(this, controller);\n\n    function completeSingle(base) {\n      // Compatible with ec2 dataRange.color.\n      // The mapping order of dataRange.color is: [high value, ..., low value]\n      // whereas inRange.color and outOfRange.color is [low value, ..., high value]\n      // Notice: ec2 has no inverse.\n      if (isArray(thisOption.color) // If there has been inRange: {symbol: ...}, adding color is a mistake.\n      // So adding color only when no inRange defined.\n      && !base.inRange) {\n        base.inRange = {\n          color: thisOption.color.slice().reverse()\n        };\n      } // Compatible with previous logic, always give a defautl color, otherwise\n      // simple config with no inRange and outOfRange will not work.\n      // Originally we use visualMap.color as the default color, but setOption at\n      // the second time the default color will be erased. So we change to use\n      // constant DEFAULT_COLOR.\n      // If user do not want the default color, set inRange: {color: null}.\n\n\n      base.inRange = base.inRange || {\n        color: ecModel.get('gradientColor')\n      };\n    }\n\n    function completeInactive(base, stateExist, stateAbsent) {\n      var optExist = base[stateExist];\n      var optAbsent = base[stateAbsent];\n\n      if (optExist && !optAbsent) {\n        optAbsent = base[stateAbsent] = {};\n        each(optExist, function (visualData, visualType) {\n          if (!VisualMapping.isValidType(visualType)) {\n            return;\n          }\n\n          var defa = visualDefault.get(visualType, 'inactive', isCategory);\n\n          if (defa != null) {\n            optAbsent[visualType] = defa; // Compatibable with ec2:\n            // Only inactive color to rgba(0,0,0,0) can not\n            // make label transparent, so use opacity also.\n\n            if (visualType === 'color' && !optAbsent.hasOwnProperty('opacity') && !optAbsent.hasOwnProperty('colorAlpha')) {\n              optAbsent.opacity = [0, 0];\n            }\n          }\n        });\n      }\n    }\n\n    function completeController(controller) {\n      var symbolExists = (controller.inRange || {}).symbol || (controller.outOfRange || {}).symbol;\n      var symbolSizeExists = (controller.inRange || {}).symbolSize || (controller.outOfRange || {}).symbolSize;\n      var inactiveColor = this.get('inactiveColor');\n      var itemSymbol = this.getItemSymbol();\n      var defaultSymbol = itemSymbol || 'roundRect';\n      each(this.stateList, function (state) {\n        var itemSize = this.itemSize;\n        var visuals = controller[state]; // Set inactive color for controller if no other color\n        // attr (like colorAlpha) specified.\n\n        if (!visuals) {\n          visuals = controller[state] = {\n            color: isCategory ? inactiveColor : [inactiveColor]\n          };\n        } // Consistent symbol and symbolSize if not specified.\n\n\n        if (visuals.symbol == null) {\n          visuals.symbol = symbolExists && zrUtil.clone(symbolExists) || (isCategory ? defaultSymbol : [defaultSymbol]);\n        }\n\n        if (visuals.symbolSize == null) {\n          visuals.symbolSize = symbolSizeExists && zrUtil.clone(symbolSizeExists) || (isCategory ? itemSize[0] : [itemSize[0], itemSize[0]]);\n        } // Filter none\n\n\n        visuals.symbol = mapVisual(visuals.symbol, function (symbol) {\n          return symbol === 'none' ? defaultSymbol : symbol;\n        }); // Normalize symbolSize\n\n        var symbolSize = visuals.symbolSize;\n\n        if (symbolSize != null) {\n          var max_1 = -Infinity; // symbolSize can be object when categories defined.\n\n          eachVisual(symbolSize, function (value) {\n            value > max_1 && (max_1 = value);\n          });\n          visuals.symbolSize = mapVisual(symbolSize, function (value) {\n            return linearMap(value, [0, max_1], [0, itemSize[0]], true);\n          });\n        }\n      }, this);\n    }\n  };\n\n  VisualMapModel.prototype.resetItemSize = function () {\n    this.itemSize = [parseFloat(this.get('itemWidth')), parseFloat(this.get('itemHeight'))];\n  };\n\n  VisualMapModel.prototype.isCategory = function () {\n    return !!this.option.categories;\n  };\n  /**\n   * @public\n   * @abstract\n   */\n\n\n  VisualMapModel.prototype.setSelected = function (selected) {};\n\n  VisualMapModel.prototype.getSelected = function () {\n    return null;\n  };\n  /**\n   * @public\n   * @abstract\n   */\n\n\n  VisualMapModel.prototype.getValueState = function (value) {\n    return null;\n  };\n  /**\n   * FIXME\n   * Do not publish to thirt-part-dev temporarily\n   * util the interface is stable. (Should it return\n   * a function but not visual meta?)\n   *\n   * @pubilc\n   * @abstract\n   * @param getColorVisual\n   *        params: value, valueState\n   *        return: color\n   * @return {Object} visualMeta\n   *        should includes {stops, outerColors}\n   *        outerColor means [colorBeyondMinValue, colorBeyondMaxValue]\n   */\n\n\n  VisualMapModel.prototype.getVisualMeta = function (getColorVisual) {\n    return null;\n  };\n\n  VisualMapModel.type = 'visualMap';\n  VisualMapModel.dependencies = ['series'];\n  VisualMapModel.defaultOption = {\n    show: true,\n    zlevel: 0,\n    z: 4,\n    seriesIndex: 'all',\n    min: 0,\n    max: 200,\n    left: 0,\n    right: null,\n    top: null,\n    bottom: 0,\n    itemWidth: null,\n    itemHeight: null,\n    inverse: false,\n    orient: 'vertical',\n    backgroundColor: 'rgba(0,0,0,0)',\n    borderColor: '#ccc',\n    contentColor: '#5793f3',\n    inactiveColor: '#aaa',\n    borderWidth: 0,\n    padding: 5,\n    // 接受数组分别设定上右下左边距，同css\n    textGap: 10,\n    precision: 0,\n    textStyle: {\n      color: '#333' // 值域文字颜色\n\n    }\n  };\n  return VisualMapModel;\n}(ComponentModel);\n\nexport default VisualMapModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport VisualMapModel from './VisualMapModel';\nimport * as numberUtil from '../../util/number';\nimport { inheritDefaultOption } from '../../util/component'; // Constant\n\nvar DEFAULT_BAR_BOUND = [20, 140];\n\nvar ContinuousModel =\n/** @class */\nfunction (_super) {\n  __extends(ContinuousModel, _super);\n\n  function ContinuousModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ContinuousModel.type;\n    return _this;\n  }\n  /**\n   * @override\n   */\n\n\n  ContinuousModel.prototype.optionUpdated = function (newOption, isInit) {\n    _super.prototype.optionUpdated.apply(this, arguments);\n\n    this.resetExtent();\n    this.resetVisual(function (mappingOption) {\n      mappingOption.mappingMethod = 'linear';\n      mappingOption.dataExtent = this.getExtent();\n    });\n\n    this._resetRange();\n  };\n  /**\n   * @protected\n   * @override\n   */\n\n\n  ContinuousModel.prototype.resetItemSize = function () {\n    _super.prototype.resetItemSize.apply(this, arguments);\n\n    var itemSize = this.itemSize;\n    (itemSize[0] == null || isNaN(itemSize[0])) && (itemSize[0] = DEFAULT_BAR_BOUND[0]);\n    (itemSize[1] == null || isNaN(itemSize[1])) && (itemSize[1] = DEFAULT_BAR_BOUND[1]);\n  };\n  /**\n   * @private\n   */\n\n\n  ContinuousModel.prototype._resetRange = function () {\n    var dataExtent = this.getExtent();\n    var range = this.option.range;\n\n    if (!range || range.auto) {\n      // `range` should always be array (so we dont use other\n      // value like 'auto') for user-friend. (consider getOption).\n      dataExtent.auto = 1;\n      this.option.range = dataExtent;\n    } else if (zrUtil.isArray(range)) {\n      if (range[0] > range[1]) {\n        range.reverse();\n      }\n\n      range[0] = Math.max(range[0], dataExtent[0]);\n      range[1] = Math.min(range[1], dataExtent[1]);\n    }\n  };\n  /**\n   * @protected\n   * @override\n   */\n\n\n  ContinuousModel.prototype.completeVisualOption = function () {\n    _super.prototype.completeVisualOption.apply(this, arguments);\n\n    zrUtil.each(this.stateList, function (state) {\n      var symbolSize = this.option.controller[state].symbolSize;\n\n      if (symbolSize && symbolSize[0] !== symbolSize[1]) {\n        symbolSize[0] = symbolSize[1] / 3; // For good looking.\n      }\n    }, this);\n  };\n  /**\n   * @override\n   */\n\n\n  ContinuousModel.prototype.setSelected = function (selected) {\n    this.option.range = selected.slice();\n\n    this._resetRange();\n  };\n  /**\n   * @public\n   */\n\n\n  ContinuousModel.prototype.getSelected = function () {\n    var dataExtent = this.getExtent();\n    var dataInterval = numberUtil.asc((this.get('range') || []).slice()); // Clamp\n\n    dataInterval[0] > dataExtent[1] && (dataInterval[0] = dataExtent[1]);\n    dataInterval[1] > dataExtent[1] && (dataInterval[1] = dataExtent[1]);\n    dataInterval[0] < dataExtent[0] && (dataInterval[0] = dataExtent[0]);\n    dataInterval[1] < dataExtent[0] && (dataInterval[1] = dataExtent[0]);\n    return dataInterval;\n  };\n  /**\n   * @override\n   */\n\n\n  ContinuousModel.prototype.getValueState = function (value) {\n    var range = this.option.range;\n    var dataExtent = this.getExtent(); // When range[0] === dataExtent[0], any value larger than dataExtent[0] maps to 'inRange'.\n    // range[1] is processed likewise.\n\n    return (range[0] <= dataExtent[0] || range[0] <= value) && (range[1] >= dataExtent[1] || value <= range[1]) ? 'inRange' : 'outOfRange';\n  };\n\n  ContinuousModel.prototype.findTargetDataIndices = function (range) {\n    var result = [];\n    this.eachTargetSeries(function (seriesModel) {\n      var dataIndices = [];\n      var data = seriesModel.getData();\n      data.each(this.getDataDimension(data), function (value, dataIndex) {\n        range[0] <= value && value <= range[1] && dataIndices.push(dataIndex);\n      }, this);\n      result.push({\n        seriesId: seriesModel.id,\n        dataIndex: dataIndices\n      });\n    }, this);\n    return result;\n  };\n  /**\n   * @implement\n   */\n\n\n  ContinuousModel.prototype.getVisualMeta = function (getColorVisual) {\n    var oVals = getColorStopValues(this, 'outOfRange', this.getExtent());\n    var iVals = getColorStopValues(this, 'inRange', this.option.range.slice());\n    var stops = [];\n\n    function setStop(value, valueState) {\n      stops.push({\n        value: value,\n        color: getColorVisual(value, valueState)\n      });\n    } // Format to: outOfRange -- inRange -- outOfRange.\n\n\n    var iIdx = 0;\n    var oIdx = 0;\n    var iLen = iVals.length;\n    var oLen = oVals.length;\n\n    for (; oIdx < oLen && (!iVals.length || oVals[oIdx] <= iVals[0]); oIdx++) {\n      // If oVal[oIdx] === iVals[iIdx], oVal[oIdx] should be ignored.\n      if (oVals[oIdx] < iVals[iIdx]) {\n        setStop(oVals[oIdx], 'outOfRange');\n      }\n    }\n\n    for (var first = 1; iIdx < iLen; iIdx++, first = 0) {\n      // If range is full, value beyond min, max will be clamped.\n      // make a singularity\n      first && stops.length && setStop(iVals[iIdx], 'outOfRange');\n      setStop(iVals[iIdx], 'inRange');\n    }\n\n    for (var first = 1; oIdx < oLen; oIdx++) {\n      if (!iVals.length || iVals[iVals.length - 1] < oVals[oIdx]) {\n        // make a singularity\n        if (first) {\n          stops.length && setStop(stops[stops.length - 1].value, 'outOfRange');\n          first = 0;\n        }\n\n        setStop(oVals[oIdx], 'outOfRange');\n      }\n    }\n\n    var stopsLen = stops.length;\n    return {\n      stops: stops,\n      outerColors: [stopsLen ? stops[0].color : 'transparent', stopsLen ? stops[stopsLen - 1].color : 'transparent']\n    };\n  };\n\n  ContinuousModel.type = 'visualMap.continuous';\n  ContinuousModel.defaultOption = inheritDefaultOption(VisualMapModel.defaultOption, {\n    align: 'auto',\n    calculable: false,\n    hoverLink: true,\n    realtime: true,\n    handleIcon: 'path://M-11.39,9.77h0a3.5,3.5,0,0,1-3.5,3.5h-22a3.5,3.5,0,0,1-3.5-3.5h0a3.5,3.5,0,0,1,3.5-3.5h22A3.5,3.5,0,0,1-11.39,9.77Z',\n    handleSize: '120%',\n    handleStyle: {\n      borderColor: '#fff',\n      borderWidth: 1\n    },\n    indicatorIcon: 'circle',\n    indicatorSize: '50%',\n    indicatorStyle: {\n      borderColor: '#fff',\n      borderWidth: 2,\n      shadowBlur: 2,\n      shadowOffsetX: 1,\n      shadowOffsetY: 1,\n      shadowColor: 'rgba(0,0,0,0.2)'\n    } // emphasis: {\n    //     handleStyle: {\n    //         shadowBlur: 3,\n    //         shadowOffsetX: 1,\n    //         shadowOffsetY: 1,\n    //         shadowColor: 'rgba(0,0,0,0.2)'\n    //     }\n    // }\n\n  });\n  return ContinuousModel;\n}(VisualMapModel);\n\nfunction getColorStopValues(visualMapModel, valueState, dataExtent) {\n  if (dataExtent[0] === dataExtent[1]) {\n    return dataExtent.slice();\n  } // When using colorHue mapping, it is not linear color any more.\n  // Moreover, canvas gradient seems not to be accurate linear.\n  // FIXME\n  // Should be arbitrary value 100? or based on pixel size?\n\n\n  var count = 200;\n  var step = (dataExtent[1] - dataExtent[0]) / count;\n  var value = dataExtent[0];\n  var stopValues = [];\n\n  for (var i = 0; i <= count && value < dataExtent[1]; i++) {\n    stopValues.push(value);\n    value += step;\n  }\n\n  stopValues.push(dataExtent[1]);\n  return stopValues;\n}\n\nexport default ContinuousModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { Rect } from '../../util/graphic';\nimport * as formatUtil from '../../util/format';\nimport * as layout from '../../util/layout';\nimport VisualMapping from '../../visual/VisualMapping';\nimport ComponentView from '../../view/Component';\n\nvar VisualMapView =\n/** @class */\nfunction (_super) {\n  __extends(VisualMapView, _super);\n\n  function VisualMapView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = VisualMapView.type;\n    _this.autoPositionValues = {\n      left: 1,\n      right: 1,\n      top: 1,\n      bottom: 1\n    };\n    return _this;\n  }\n\n  VisualMapView.prototype.init = function (ecModel, api) {\n    this.ecModel = ecModel;\n    this.api = api;\n  };\n  /**\n   * @protected\n   */\n\n\n  VisualMapView.prototype.render = function (visualMapModel, ecModel, api, payload // TODO: TYPE\n  ) {\n    this.visualMapModel = visualMapModel;\n\n    if (visualMapModel.get('show') === false) {\n      this.group.removeAll();\n      return;\n    }\n\n    this.doRender(visualMapModel, ecModel, api, payload);\n  };\n  /**\n   * @protected\n   */\n\n\n  VisualMapView.prototype.renderBackground = function (group) {\n    var visualMapModel = this.visualMapModel;\n    var padding = formatUtil.normalizeCssArray(visualMapModel.get('padding') || 0);\n    var rect = group.getBoundingRect();\n    group.add(new Rect({\n      z2: -1,\n      silent: true,\n      shape: {\n        x: rect.x - padding[3],\n        y: rect.y - padding[0],\n        width: rect.width + padding[3] + padding[1],\n        height: rect.height + padding[0] + padding[2]\n      },\n      style: {\n        fill: visualMapModel.get('backgroundColor'),\n        stroke: visualMapModel.get('borderColor'),\n        lineWidth: visualMapModel.get('borderWidth')\n      }\n    }));\n  };\n  /**\n   * @protected\n   * @param targetValue can be Infinity or -Infinity\n   * @param visualCluster Only can be 'color' 'opacity' 'symbol' 'symbolSize'\n   * @param opts\n   * @param opts.forceState Specify state, instead of using getValueState method.\n   * @param opts.convertOpacityToAlpha For color gradient in controller widget.\n   * @return {*} Visual value.\n   */\n\n\n  VisualMapView.prototype.getControllerVisual = function (targetValue, visualCluster, opts) {\n    opts = opts || {};\n    var forceState = opts.forceState;\n    var visualMapModel = this.visualMapModel;\n    var visualObj = {}; // Default values.\n\n    if (visualCluster === 'color') {\n      var defaultColor = visualMapModel.get('contentColor');\n      visualObj.color = defaultColor;\n    }\n\n    function getter(key) {\n      return visualObj[key];\n    }\n\n    function setter(key, value) {\n      visualObj[key] = value;\n    }\n\n    var mappings = visualMapModel.controllerVisuals[forceState || visualMapModel.getValueState(targetValue)];\n    var visualTypes = VisualMapping.prepareVisualTypes(mappings);\n    zrUtil.each(visualTypes, function (type) {\n      var visualMapping = mappings[type];\n\n      if (opts.convertOpacityToAlpha && type === 'opacity') {\n        type = 'colorAlpha';\n        visualMapping = mappings.__alphaForOpacity;\n      }\n\n      if (VisualMapping.dependsOn(type, visualCluster)) {\n        visualMapping && visualMapping.applyVisual(targetValue, getter, setter);\n      }\n    });\n    return visualObj[visualCluster];\n  };\n\n  VisualMapView.prototype.positionGroup = function (group) {\n    var model = this.visualMapModel;\n    var api = this.api;\n    layout.positionElement(group, model.getBoxLayoutParams(), {\n      width: api.getWidth(),\n      height: api.getHeight()\n    });\n  };\n\n  VisualMapView.prototype.doRender = function (visualMapModel, ecModel, api, payload) {};\n\n  VisualMapView.type = 'visualMap';\n  return VisualMapView;\n}(ComponentView);\n\nexport default VisualMapView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { getLayoutRect } from '../../util/layout';\nvar paramsSet = [['left', 'right', 'width'], ['top', 'bottom', 'height']];\n/**\n * @param visualMapModel\n * @param api\n * @param itemSize always [short, long]\n * @return {string} 'left' or 'right' or 'top' or 'bottom'\n */\n\nexport function getItemAlign(visualMapModel, api, itemSize) {\n  var modelOption = visualMapModel.option;\n  var itemAlign = modelOption.align;\n\n  if (itemAlign != null && itemAlign !== 'auto') {\n    return itemAlign;\n  } // Auto decision align.\n\n\n  var ecSize = {\n    width: api.getWidth(),\n    height: api.getHeight()\n  };\n  var realIndex = modelOption.orient === 'horizontal' ? 1 : 0;\n  var reals = paramsSet[realIndex];\n  var fakeValue = [0, null, 10];\n  var layoutInput = {};\n\n  for (var i = 0; i < 3; i++) {\n    layoutInput[paramsSet[1 - realIndex][i]] = fakeValue[i];\n    layoutInput[reals[i]] = i === 2 ? itemSize[0] : modelOption[reals[i]];\n  }\n\n  var rParam = [['x', 'width', 3], ['y', 'height', 0]][realIndex];\n  var rect = getLayoutRect(layoutInput, ecSize, modelOption.padding);\n  return reals[(rect.margin[rParam[2]] || 0) + rect[rParam[0]] + rect[rParam[1]] * 0.5 < ecSize[rParam[1]] * 0.5 ? 0 : 1];\n}\n/**\n * Prepare dataIndex for outside usage, where dataIndex means rawIndex, and\n * dataIndexInside means filtered index.\n */\n// TODO: TYPE more specified payload types.\n\nexport function makeHighDownBatch(batch, visualMapModel) {\n  zrUtil.each(batch || [], function (batchItem) {\n    if (batchItem.dataIndex != null) {\n      batchItem.dataIndexInside = batchItem.dataIndex;\n      batchItem.dataIndex = null;\n    }\n\n    batchItem.highlightKey = 'visualMap' + (visualMapModel ? visualMapModel.componentIndex : '');\n  });\n  return batch;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport LinearGradient from 'zrender/lib/graphic/LinearGradient';\nimport * as eventTool from 'zrender/lib/core/event';\nimport VisualMapView from './VisualMapView';\nimport * as graphic from '../../util/graphic';\nimport * as numberUtil from '../../util/number';\nimport sliderMove from '../helper/sliderMove';\nimport * as helper from './helper';\nimport * as modelUtil from '../../util/model';\nimport { parsePercent } from 'zrender/lib/contain/text';\nimport { setAsHighDownDispatcher } from '../../util/states';\nimport { createSymbol } from '../../util/symbol';\nimport ZRImage from 'zrender/lib/graphic/Image';\nimport { getECData } from '../../util/innerStore';\nvar linearMap = numberUtil.linearMap;\nvar each = zrUtil.each;\nvar mathMin = Math.min;\nvar mathMax = Math.max; // Arbitrary value\n\nvar HOVER_LINK_SIZE = 12;\nvar HOVER_LINK_OUT = 6; // Notice:\n// Any \"interval\" should be by the order of [low, high].\n// \"handle0\" (handleIndex === 0) maps to\n// low data value: this._dataInterval[0] and has low coord.\n// \"handle1\" (handleIndex === 1) maps to\n// high data value: this._dataInterval[1] and has high coord.\n// The logic of transform is implemented in this._createBarGroup.\n\nvar ContinuousView =\n/** @class */\nfunction (_super) {\n  __extends(ContinuousView, _super);\n\n  function ContinuousView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = ContinuousView.type;\n    _this._shapes = {};\n    _this._dataInterval = [];\n    _this._handleEnds = [];\n    _this._hoverLinkDataIndices = [];\n    return _this;\n  }\n\n  ContinuousView.prototype.doRender = function (visualMapModel, ecModel, api, payload) {\n    this._api = api;\n\n    if (!payload || payload.type !== 'selectDataRange' || payload.from !== this.uid) {\n      this._buildView();\n    }\n  };\n\n  ContinuousView.prototype._buildView = function () {\n    this.group.removeAll();\n    var visualMapModel = this.visualMapModel;\n    var thisGroup = this.group;\n    this._orient = visualMapModel.get('orient');\n    this._useHandle = visualMapModel.get('calculable');\n\n    this._resetInterval();\n\n    this._renderBar(thisGroup);\n\n    var dataRangeText = visualMapModel.get('text');\n\n    this._renderEndsText(thisGroup, dataRangeText, 0);\n\n    this._renderEndsText(thisGroup, dataRangeText, 1); // Do this for background size calculation.\n\n\n    this._updateView(true); // After updating view, inner shapes is built completely,\n    // and then background can be rendered.\n\n\n    this.renderBackground(thisGroup); // Real update view\n\n    this._updateView();\n\n    this._enableHoverLinkToSeries();\n\n    this._enableHoverLinkFromSeries();\n\n    this.positionGroup(thisGroup);\n  };\n\n  ContinuousView.prototype._renderEndsText = function (group, dataRangeText, endsIndex) {\n    if (!dataRangeText) {\n      return;\n    } // Compatible with ec2, text[0] map to high value, text[1] map low value.\n\n\n    var text = dataRangeText[1 - endsIndex];\n    text = text != null ? text + '' : '';\n    var visualMapModel = this.visualMapModel;\n    var textGap = visualMapModel.get('textGap');\n    var itemSize = visualMapModel.itemSize;\n    var barGroup = this._shapes.mainGroup;\n\n    var position = this._applyTransform([itemSize[0] / 2, endsIndex === 0 ? -textGap : itemSize[1] + textGap], barGroup);\n\n    var align = this._applyTransform(endsIndex === 0 ? 'bottom' : 'top', barGroup);\n\n    var orient = this._orient;\n    var textStyleModel = this.visualMapModel.textStyleModel;\n    this.group.add(new graphic.Text({\n      style: {\n        x: position[0],\n        y: position[1],\n        verticalAlign: orient === 'horizontal' ? 'middle' : align,\n        align: orient === 'horizontal' ? align : 'center',\n        text: text,\n        font: textStyleModel.getFont(),\n        fill: textStyleModel.getTextColor()\n      }\n    }));\n  };\n\n  ContinuousView.prototype._renderBar = function (targetGroup) {\n    var visualMapModel = this.visualMapModel;\n    var shapes = this._shapes;\n    var itemSize = visualMapModel.itemSize;\n    var orient = this._orient;\n    var useHandle = this._useHandle;\n    var itemAlign = helper.getItemAlign(visualMapModel, this.api, itemSize);\n\n    var mainGroup = shapes.mainGroup = this._createBarGroup(itemAlign);\n\n    var gradientBarGroup = new graphic.Group();\n    mainGroup.add(gradientBarGroup); // Bar\n\n    gradientBarGroup.add(shapes.outOfRange = createPolygon());\n    gradientBarGroup.add(shapes.inRange = createPolygon(null, useHandle ? getCursor(this._orient) : null, zrUtil.bind(this._dragHandle, this, 'all', false), zrUtil.bind(this._dragHandle, this, 'all', true))); // A border radius clip.\n\n    gradientBarGroup.setClipPath(new graphic.Rect({\n      shape: {\n        x: 0,\n        y: 0,\n        width: itemSize[0],\n        height: itemSize[1],\n        r: 3\n      }\n    }));\n    var textRect = visualMapModel.textStyleModel.getTextRect('国');\n    var textSize = mathMax(textRect.width, textRect.height); // Handle\n\n    if (useHandle) {\n      shapes.handleThumbs = [];\n      shapes.handleLabels = [];\n      shapes.handleLabelPoints = [];\n\n      this._createHandle(visualMapModel, mainGroup, 0, itemSize, textSize, orient);\n\n      this._createHandle(visualMapModel, mainGroup, 1, itemSize, textSize, orient);\n    }\n\n    this._createIndicator(visualMapModel, mainGroup, itemSize, textSize, orient);\n\n    targetGroup.add(mainGroup);\n  };\n\n  ContinuousView.prototype._createHandle = function (visualMapModel, mainGroup, handleIndex, itemSize, textSize, orient) {\n    var onDrift = zrUtil.bind(this._dragHandle, this, handleIndex, false);\n    var onDragEnd = zrUtil.bind(this._dragHandle, this, handleIndex, true);\n    var handleSize = parsePercent(visualMapModel.get('handleSize'), itemSize[0]);\n    var handleThumb = createSymbol(visualMapModel.get('handleIcon'), -handleSize / 2, -handleSize / 2, handleSize, handleSize, null, true);\n    var cursor = getCursor(this._orient);\n    handleThumb.attr({\n      cursor: cursor,\n      draggable: true,\n      drift: onDrift,\n      ondragend: onDragEnd,\n      onmousemove: function (e) {\n        eventTool.stop(e.event);\n      }\n    });\n    handleThumb.x = itemSize[0] / 2;\n    handleThumb.useStyle(visualMapModel.getModel('handleStyle').getItemStyle());\n    handleThumb.setStyle({\n      strokeNoScale: true,\n      strokeFirst: true\n    });\n    handleThumb.style.lineWidth *= 2;\n    handleThumb.ensureState('emphasis').style = visualMapModel.getModel(['emphasis', 'handleStyle']).getItemStyle();\n    setAsHighDownDispatcher(handleThumb, true);\n    mainGroup.add(handleThumb); // Text is always horizontal layout but should not be effected by\n    // transform (orient/inverse). So label is built separately but not\n    // use zrender/graphic/helper/RectText, and is located based on view\n    // group (according to handleLabelPoint) but not barGroup.\n\n    var textStyleModel = this.visualMapModel.textStyleModel;\n    var handleLabel = new graphic.Text({\n      cursor: cursor,\n      draggable: true,\n      drift: onDrift,\n      onmousemove: function (e) {\n        // Fot mobile devicem, prevent screen slider on the button.\n        eventTool.stop(e.event);\n      },\n      ondragend: onDragEnd,\n      style: {\n        x: 0,\n        y: 0,\n        text: '',\n        font: textStyleModel.getFont(),\n        fill: textStyleModel.getTextColor()\n      }\n    });\n    handleLabel.ensureState('blur').style = {\n      opacity: 0.1\n    };\n    handleLabel.stateTransition = {\n      duration: 200\n    };\n    this.group.add(handleLabel);\n    var handleLabelPoint = [handleSize, 0];\n    var shapes = this._shapes;\n    shapes.handleThumbs[handleIndex] = handleThumb;\n    shapes.handleLabelPoints[handleIndex] = handleLabelPoint;\n    shapes.handleLabels[handleIndex] = handleLabel;\n  };\n\n  ContinuousView.prototype._createIndicator = function (visualMapModel, mainGroup, itemSize, textSize, orient) {\n    var scale = parsePercent(visualMapModel.get('indicatorSize'), itemSize[0]);\n    var indicator = createSymbol(visualMapModel.get('indicatorIcon'), -scale / 2, -scale / 2, scale, scale, null, true);\n    indicator.attr({\n      cursor: 'move',\n      invisible: true,\n      silent: true,\n      x: itemSize[0] / 2\n    });\n    var indicatorStyle = visualMapModel.getModel('indicatorStyle').getItemStyle();\n\n    if (indicator instanceof ZRImage) {\n      var pathStyle = indicator.style;\n      indicator.useStyle(zrUtil.extend({\n        // TODO other properties like x, y ?\n        image: pathStyle.image,\n        x: pathStyle.x,\n        y: pathStyle.y,\n        width: pathStyle.width,\n        height: pathStyle.height\n      }, indicatorStyle));\n    } else {\n      indicator.useStyle(indicatorStyle);\n    }\n\n    mainGroup.add(indicator);\n    var textStyleModel = this.visualMapModel.textStyleModel;\n    var indicatorLabel = new graphic.Text({\n      silent: true,\n      invisible: true,\n      style: {\n        x: 0,\n        y: 0,\n        text: '',\n        font: textStyleModel.getFont(),\n        fill: textStyleModel.getTextColor()\n      }\n    });\n    this.group.add(indicatorLabel);\n    var indicatorLabelPoint = [(orient === 'horizontal' ? textSize / 2 : HOVER_LINK_OUT) + itemSize[0] / 2, 0];\n    var shapes = this._shapes;\n    shapes.indicator = indicator;\n    shapes.indicatorLabel = indicatorLabel;\n    shapes.indicatorLabelPoint = indicatorLabelPoint;\n    this._firstShowIndicator = true;\n  };\n\n  ContinuousView.prototype._dragHandle = function (handleIndex, isEnd, // dx is event from ondragend if isEnd is true. It's not used\n  dx, dy) {\n    if (!this._useHandle) {\n      return;\n    }\n\n    this._dragging = !isEnd;\n\n    if (!isEnd) {\n      // Transform dx, dy to bar coordination.\n      var vertex = this._applyTransform([dx, dy], this._shapes.mainGroup, true);\n\n      this._updateInterval(handleIndex, vertex[1]);\n\n      this._hideIndicator(); // Considering realtime, update view should be executed\n      // before dispatch action.\n\n\n      this._updateView();\n    } // dragEnd do not dispatch action when realtime.\n\n\n    if (isEnd === !this.visualMapModel.get('realtime')) {\n      // jshint ignore:line\n      this.api.dispatchAction({\n        type: 'selectDataRange',\n        from: this.uid,\n        visualMapId: this.visualMapModel.id,\n        selected: this._dataInterval.slice()\n      });\n    }\n\n    if (isEnd) {\n      !this._hovering && this._clearHoverLinkToSeries();\n    } else if (useHoverLinkOnHandle(this.visualMapModel)) {\n      this._doHoverLinkToSeries(this._handleEnds[handleIndex], false);\n    }\n  };\n\n  ContinuousView.prototype._resetInterval = function () {\n    var visualMapModel = this.visualMapModel;\n    var dataInterval = this._dataInterval = visualMapModel.getSelected();\n    var dataExtent = visualMapModel.getExtent();\n    var sizeExtent = [0, visualMapModel.itemSize[1]];\n    this._handleEnds = [linearMap(dataInterval[0], dataExtent, sizeExtent, true), linearMap(dataInterval[1], dataExtent, sizeExtent, true)];\n  };\n  /**\n   * @private\n   * @param {(number|string)} handleIndex 0 or 1 or 'all'\n   * @param {number} dx\n   * @param {number} dy\n   */\n\n\n  ContinuousView.prototype._updateInterval = function (handleIndex, delta) {\n    delta = delta || 0;\n    var visualMapModel = this.visualMapModel;\n    var handleEnds = this._handleEnds;\n    var sizeExtent = [0, visualMapModel.itemSize[1]];\n    sliderMove(delta, handleEnds, sizeExtent, handleIndex, // cross is forbiden\n    0);\n    var dataExtent = visualMapModel.getExtent(); // Update data interval.\n\n    this._dataInterval = [linearMap(handleEnds[0], sizeExtent, dataExtent, true), linearMap(handleEnds[1], sizeExtent, dataExtent, true)];\n  };\n\n  ContinuousView.prototype._updateView = function (forSketch) {\n    var visualMapModel = this.visualMapModel;\n    var dataExtent = visualMapModel.getExtent();\n    var shapes = this._shapes;\n    var outOfRangeHandleEnds = [0, visualMapModel.itemSize[1]];\n    var inRangeHandleEnds = forSketch ? outOfRangeHandleEnds : this._handleEnds;\n\n    var visualInRange = this._createBarVisual(this._dataInterval, dataExtent, inRangeHandleEnds, 'inRange');\n\n    var visualOutOfRange = this._createBarVisual(dataExtent, dataExtent, outOfRangeHandleEnds, 'outOfRange');\n\n    shapes.inRange.setStyle({\n      fill: visualInRange.barColor // opacity: visualInRange.opacity\n\n    }).setShape('points', visualInRange.barPoints);\n    shapes.outOfRange.setStyle({\n      fill: visualOutOfRange.barColor // opacity: visualOutOfRange.opacity\n\n    }).setShape('points', visualOutOfRange.barPoints);\n\n    this._updateHandle(inRangeHandleEnds, visualInRange);\n  };\n\n  ContinuousView.prototype._createBarVisual = function (dataInterval, dataExtent, handleEnds, forceState) {\n    var opts = {\n      forceState: forceState,\n      convertOpacityToAlpha: true\n    };\n\n    var colorStops = this._makeColorGradient(dataInterval, opts);\n\n    var symbolSizes = [this.getControllerVisual(dataInterval[0], 'symbolSize', opts), this.getControllerVisual(dataInterval[1], 'symbolSize', opts)];\n\n    var barPoints = this._createBarPoints(handleEnds, symbolSizes);\n\n    return {\n      barColor: new LinearGradient(0, 0, 0, 1, colorStops),\n      barPoints: barPoints,\n      handlesColor: [colorStops[0].color, colorStops[colorStops.length - 1].color]\n    };\n  };\n\n  ContinuousView.prototype._makeColorGradient = function (dataInterval, opts) {\n    // Considering colorHue, which is not linear, so we have to sample\n    // to calculate gradient color stops, but not only caculate head\n    // and tail.\n    var sampleNumber = 100; // Arbitrary value.\n\n    var colorStops = [];\n    var step = (dataInterval[1] - dataInterval[0]) / sampleNumber;\n    colorStops.push({\n      color: this.getControllerVisual(dataInterval[0], 'color', opts),\n      offset: 0\n    });\n\n    for (var i = 1; i < sampleNumber; i++) {\n      var currValue = dataInterval[0] + step * i;\n\n      if (currValue > dataInterval[1]) {\n        break;\n      }\n\n      colorStops.push({\n        color: this.getControllerVisual(currValue, 'color', opts),\n        offset: i / sampleNumber\n      });\n    }\n\n    colorStops.push({\n      color: this.getControllerVisual(dataInterval[1], 'color', opts),\n      offset: 1\n    });\n    return colorStops;\n  };\n\n  ContinuousView.prototype._createBarPoints = function (handleEnds, symbolSizes) {\n    var itemSize = this.visualMapModel.itemSize;\n    return [[itemSize[0] - symbolSizes[0], handleEnds[0]], [itemSize[0], handleEnds[0]], [itemSize[0], handleEnds[1]], [itemSize[0] - symbolSizes[1], handleEnds[1]]];\n  };\n\n  ContinuousView.prototype._createBarGroup = function (itemAlign) {\n    var orient = this._orient;\n    var inverse = this.visualMapModel.get('inverse');\n    return new graphic.Group(orient === 'horizontal' && !inverse ? {\n      scaleX: itemAlign === 'bottom' ? 1 : -1,\n      rotation: Math.PI / 2\n    } : orient === 'horizontal' && inverse ? {\n      scaleX: itemAlign === 'bottom' ? -1 : 1,\n      rotation: -Math.PI / 2\n    } : orient === 'vertical' && !inverse ? {\n      scaleX: itemAlign === 'left' ? 1 : -1,\n      scaleY: -1\n    } : {\n      scaleX: itemAlign === 'left' ? 1 : -1\n    });\n  };\n\n  ContinuousView.prototype._updateHandle = function (handleEnds, visualInRange) {\n    if (!this._useHandle) {\n      return;\n    }\n\n    var shapes = this._shapes;\n    var visualMapModel = this.visualMapModel;\n    var handleThumbs = shapes.handleThumbs;\n    var handleLabels = shapes.handleLabels;\n    var itemSize = visualMapModel.itemSize;\n    var dataExtent = visualMapModel.getExtent();\n    each([0, 1], function (handleIndex) {\n      var handleThumb = handleThumbs[handleIndex];\n      handleThumb.setStyle('fill', visualInRange.handlesColor[handleIndex]);\n      handleThumb.y = handleEnds[handleIndex];\n      var val = linearMap(handleEnds[handleIndex], [0, itemSize[1]], dataExtent, true);\n      var symbolSize = this.getControllerVisual(val, 'symbolSize');\n      handleThumb.scaleX = handleThumb.scaleY = symbolSize / itemSize[0];\n      handleThumb.x = itemSize[0] - symbolSize / 2; // Update handle label position.\n\n      var textPoint = graphic.applyTransform(shapes.handleLabelPoints[handleIndex], graphic.getTransform(handleThumb, this.group));\n      handleLabels[handleIndex].setStyle({\n        x: textPoint[0],\n        y: textPoint[1],\n        text: visualMapModel.formatValueText(this._dataInterval[handleIndex]),\n        verticalAlign: 'middle',\n        align: this._orient === 'vertical' ? this._applyTransform('left', shapes.mainGroup) : 'center'\n      });\n    }, this);\n  };\n\n  ContinuousView.prototype._showIndicator = function (cursorValue, textValue, rangeSymbol, halfHoverLinkSize) {\n    var visualMapModel = this.visualMapModel;\n    var dataExtent = visualMapModel.getExtent();\n    var itemSize = visualMapModel.itemSize;\n    var sizeExtent = [0, itemSize[1]];\n    var shapes = this._shapes;\n    var indicator = shapes.indicator;\n\n    if (!indicator) {\n      return;\n    }\n\n    indicator.attr('invisible', false);\n    var opts = {\n      convertOpacityToAlpha: true\n    };\n    var color = this.getControllerVisual(cursorValue, 'color', opts);\n    var symbolSize = this.getControllerVisual(cursorValue, 'symbolSize');\n    var y = linearMap(cursorValue, dataExtent, sizeExtent, true);\n    var x = itemSize[0] - symbolSize / 2;\n    var oldIndicatorPos = {\n      x: indicator.x,\n      y: indicator.y\n    }; // Update handle label position.\n\n    indicator.y = y;\n    indicator.x = x;\n    var textPoint = graphic.applyTransform(shapes.indicatorLabelPoint, graphic.getTransform(indicator, this.group));\n    var indicatorLabel = shapes.indicatorLabel;\n    indicatorLabel.attr('invisible', false);\n\n    var align = this._applyTransform('left', shapes.mainGroup);\n\n    var orient = this._orient;\n    var isHorizontal = orient === 'horizontal';\n    indicatorLabel.setStyle({\n      text: (rangeSymbol ? rangeSymbol : '') + visualMapModel.formatValueText(textValue),\n      verticalAlign: isHorizontal ? align : 'middle',\n      align: isHorizontal ? 'center' : align\n    });\n    var indicatorNewProps = {\n      x: x,\n      y: y,\n      style: {\n        fill: color\n      }\n    };\n    var labelNewProps = {\n      style: {\n        x: textPoint[0],\n        y: textPoint[1]\n      }\n    };\n\n    if (visualMapModel.ecModel.isAnimationEnabled() && !this._firstShowIndicator) {\n      var animationCfg = {\n        duration: 100,\n        easing: 'cubicInOut',\n        additive: true\n      };\n      indicator.x = oldIndicatorPos.x;\n      indicator.y = oldIndicatorPos.y;\n      indicator.animateTo(indicatorNewProps, animationCfg);\n      indicatorLabel.animateTo(labelNewProps, animationCfg);\n    } else {\n      indicator.attr(indicatorNewProps);\n      indicatorLabel.attr(labelNewProps);\n    }\n\n    this._firstShowIndicator = false;\n    var handleLabels = this._shapes.handleLabels;\n\n    if (handleLabels) {\n      for (var i = 0; i < handleLabels.length; i++) {\n        // Fade out handle labels.\n        // NOTE: Must use api enter/leave on emphasis/blur/select state. Or the global states manager will change it.\n        this._api.enterBlur(handleLabels[i]);\n      }\n    }\n  };\n\n  ContinuousView.prototype._enableHoverLinkToSeries = function () {\n    var self = this;\n\n    this._shapes.mainGroup.on('mousemove', function (e) {\n      self._hovering = true;\n\n      if (!self._dragging) {\n        var itemSize = self.visualMapModel.itemSize;\n\n        var pos = self._applyTransform([e.offsetX, e.offsetY], self._shapes.mainGroup, true, true); // For hover link show when hover handle, which might be\n        // below or upper than sizeExtent.\n\n\n        pos[1] = mathMin(mathMax(0, pos[1]), itemSize[1]);\n\n        self._doHoverLinkToSeries(pos[1], 0 <= pos[0] && pos[0] <= itemSize[0]);\n      }\n    }).on('mouseout', function () {\n      // When mouse is out of handle, hoverLink still need\n      // to be displayed when realtime is set as false.\n      self._hovering = false;\n      !self._dragging && self._clearHoverLinkToSeries();\n    });\n  };\n\n  ContinuousView.prototype._enableHoverLinkFromSeries = function () {\n    var zr = this.api.getZr();\n\n    if (this.visualMapModel.option.hoverLink) {\n      zr.on('mouseover', this._hoverLinkFromSeriesMouseOver, this);\n      zr.on('mouseout', this._hideIndicator, this);\n    } else {\n      this._clearHoverLinkFromSeries();\n    }\n  };\n\n  ContinuousView.prototype._doHoverLinkToSeries = function (cursorPos, hoverOnBar) {\n    var visualMapModel = this.visualMapModel;\n    var itemSize = visualMapModel.itemSize;\n\n    if (!visualMapModel.option.hoverLink) {\n      return;\n    }\n\n    var sizeExtent = [0, itemSize[1]];\n    var dataExtent = visualMapModel.getExtent(); // For hover link show when hover handle, which might be below or upper than sizeExtent.\n\n    cursorPos = mathMin(mathMax(sizeExtent[0], cursorPos), sizeExtent[1]);\n    var halfHoverLinkSize = getHalfHoverLinkSize(visualMapModel, dataExtent, sizeExtent);\n    var hoverRange = [cursorPos - halfHoverLinkSize, cursorPos + halfHoverLinkSize];\n    var cursorValue = linearMap(cursorPos, sizeExtent, dataExtent, true);\n    var valueRange = [linearMap(hoverRange[0], sizeExtent, dataExtent, true), linearMap(hoverRange[1], sizeExtent, dataExtent, true)]; // Consider data range is out of visualMap range, see test/visualMap-continuous.html,\n    // where china and india has very large population.\n\n    hoverRange[0] < sizeExtent[0] && (valueRange[0] = -Infinity);\n    hoverRange[1] > sizeExtent[1] && (valueRange[1] = Infinity); // Do not show indicator when mouse is over handle,\n    // otherwise labels overlap, especially when dragging.\n\n    if (hoverOnBar) {\n      if (valueRange[0] === -Infinity) {\n        this._showIndicator(cursorValue, valueRange[1], '< ', halfHoverLinkSize);\n      } else if (valueRange[1] === Infinity) {\n        this._showIndicator(cursorValue, valueRange[0], '> ', halfHoverLinkSize);\n      } else {\n        this._showIndicator(cursorValue, cursorValue, '≈ ', halfHoverLinkSize);\n      }\n    } // When realtime is set as false, handles, which are in barGroup,\n    // also trigger hoverLink, which help user to realize where they\n    // focus on when dragging. (see test/heatmap-large.html)\n    // When realtime is set as true, highlight will not show when hover\n    // handle, because the label on handle, which displays a exact value\n    // but not range, might mislead users.\n\n\n    var oldBatch = this._hoverLinkDataIndices;\n    var newBatch = [];\n\n    if (hoverOnBar || useHoverLinkOnHandle(visualMapModel)) {\n      newBatch = this._hoverLinkDataIndices = visualMapModel.findTargetDataIndices(valueRange);\n    }\n\n    var resultBatches = modelUtil.compressBatches(oldBatch, newBatch);\n\n    this._dispatchHighDown('downplay', helper.makeHighDownBatch(resultBatches[0], visualMapModel));\n\n    this._dispatchHighDown('highlight', helper.makeHighDownBatch(resultBatches[1], visualMapModel));\n  };\n\n  ContinuousView.prototype._hoverLinkFromSeriesMouseOver = function (e) {\n    var el = e.target;\n    var visualMapModel = this.visualMapModel;\n\n    if (!el || getECData(el).dataIndex == null) {\n      return;\n    }\n\n    var ecData = getECData(el);\n    var dataModel = this.ecModel.getSeriesByIndex(ecData.seriesIndex);\n\n    if (!visualMapModel.isTargetSeries(dataModel)) {\n      return;\n    }\n\n    var data = dataModel.getData(ecData.dataType);\n    var value = data.get(visualMapModel.getDataDimension(data), ecData.dataIndex);\n\n    if (!isNaN(value)) {\n      this._showIndicator(value, value);\n    }\n  };\n\n  ContinuousView.prototype._hideIndicator = function () {\n    var shapes = this._shapes;\n    shapes.indicator && shapes.indicator.attr('invisible', true);\n    shapes.indicatorLabel && shapes.indicatorLabel.attr('invisible', true);\n    var handleLabels = this._shapes.handleLabels;\n\n    if (handleLabels) {\n      for (var i = 0; i < handleLabels.length; i++) {\n        // Fade out handle labels.\n        // NOTE: Must use api enter/leave on emphasis/blur/select state. Or the global states manager will change it.\n        this._api.leaveBlur(handleLabels[i]);\n      }\n    }\n  };\n\n  ContinuousView.prototype._clearHoverLinkToSeries = function () {\n    this._hideIndicator();\n\n    var indices = this._hoverLinkDataIndices;\n\n    this._dispatchHighDown('downplay', helper.makeHighDownBatch(indices, this.visualMapModel));\n\n    indices.length = 0;\n  };\n\n  ContinuousView.prototype._clearHoverLinkFromSeries = function () {\n    this._hideIndicator();\n\n    var zr = this.api.getZr();\n    zr.off('mouseover', this._hoverLinkFromSeriesMouseOver);\n    zr.off('mouseout', this._hideIndicator);\n  };\n\n  ContinuousView.prototype._applyTransform = function (vertex, element, inverse, global) {\n    var transform = graphic.getTransform(element, global ? null : this.group);\n    return zrUtil.isArray(vertex) ? graphic.applyTransform(vertex, transform, inverse) : graphic.transformDirection(vertex, transform, inverse);\n  }; // TODO: TYPE more specified payload types.\n\n\n  ContinuousView.prototype._dispatchHighDown = function (type, batch) {\n    batch && batch.length && this.api.dispatchAction({\n      type: type,\n      batch: batch\n    });\n  };\n  /**\n   * @override\n   */\n\n\n  ContinuousView.prototype.dispose = function () {\n    this._clearHoverLinkFromSeries();\n\n    this._clearHoverLinkToSeries();\n  };\n  /**\n   * @override\n   */\n\n\n  ContinuousView.prototype.remove = function () {\n    this._clearHoverLinkFromSeries();\n\n    this._clearHoverLinkToSeries();\n  };\n\n  ContinuousView.type = 'visualMap.continuous';\n  return ContinuousView;\n}(VisualMapView);\n\nfunction createPolygon(points, cursor, onDrift, onDragEnd) {\n  return new graphic.Polygon({\n    shape: {\n      points: points\n    },\n    draggable: !!onDrift,\n    cursor: cursor,\n    drift: onDrift,\n    onmousemove: function (e) {\n      // Fot mobile devicem, prevent screen slider on the button.\n      eventTool.stop(e.event);\n    },\n    ondragend: onDragEnd\n  });\n}\n\nfunction getHalfHoverLinkSize(visualMapModel, dataExtent, sizeExtent) {\n  var halfHoverLinkSize = HOVER_LINK_SIZE / 2;\n  var hoverLinkDataSize = visualMapModel.get('hoverLinkDataSize');\n\n  if (hoverLinkDataSize) {\n    halfHoverLinkSize = linearMap(hoverLinkDataSize, dataExtent, sizeExtent, true) / 2;\n  }\n\n  return halfHoverLinkSize;\n}\n\nfunction useHoverLinkOnHandle(visualMapModel) {\n  var hoverLinkOnHandle = visualMapModel.get('hoverLinkOnHandle');\n  return !!(hoverLinkOnHandle == null ? visualMapModel.get('realtime') : hoverLinkOnHandle);\n}\n\nfunction getCursor(orient) {\n  return orient === 'vertical' ? 'ns-resize' : 'ew-resize';\n}\n\nexport default ContinuousView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nexport var visualMapActionInfo = {\n  type: 'selectDataRange',\n  event: 'dataRangeSelected',\n  // FIXME use updateView appears wrong\n  update: 'update'\n};\nexport var visualMapActionHander = function (payload, ecModel) {\n  ecModel.eachComponent({\n    mainType: 'visualMap',\n    query: payload\n  }, function (model) {\n    model.setSelected(payload.selected);\n  });\n};","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as visualSolution from '../../visual/visualSolution';\nimport VisualMapping from '../../visual/VisualMapping';\nimport { getVisualFromData } from '../../visual/helper';\nexport var visualMapEncodingHandlers = [{\n  createOnAllSeries: true,\n  reset: function (seriesModel, ecModel) {\n    var resetDefines = [];\n    ecModel.eachComponent('visualMap', function (visualMapModel) {\n      var pipelineContext = seriesModel.pipelineContext;\n\n      if (!visualMapModel.isTargetSeries(seriesModel) || pipelineContext && pipelineContext.large) {\n        return;\n      }\n\n      resetDefines.push(visualSolution.incrementalApplyVisual(visualMapModel.stateList, visualMapModel.targetVisuals, zrUtil.bind(visualMapModel.getValueState, visualMapModel), visualMapModel.getDataDimension(seriesModel.getData())));\n    });\n    return resetDefines;\n  }\n}, // Only support color.\n{\n  createOnAllSeries: true,\n  reset: function (seriesModel, ecModel) {\n    var data = seriesModel.getData();\n    var visualMetaList = [];\n    ecModel.eachComponent('visualMap', function (visualMapModel) {\n      if (visualMapModel.isTargetSeries(seriesModel)) {\n        var visualMeta = visualMapModel.getVisualMeta(zrUtil.bind(getColorVisual, null, seriesModel, visualMapModel)) || {\n          stops: [],\n          outerColors: []\n        };\n        var concreteDim = visualMapModel.getDataDimension(data);\n        var dimInfo = data.getDimensionInfo(concreteDim);\n\n        if (dimInfo != null) {\n          // visualMeta.dimension should be dimension index, but not concrete dimension.\n          visualMeta.dimension = dimInfo.index;\n          visualMetaList.push(visualMeta);\n        }\n      }\n    }); // console.log(JSON.stringify(visualMetaList.map(a => a.stops)));\n\n    seriesModel.getData().setVisual('visualMeta', visualMetaList);\n  }\n}]; // FIXME\n// performance and export for heatmap?\n// value can be Infinity or -Infinity\n\nfunction getColorVisual(seriesModel, visualMapModel, value, valueState) {\n  var mappings = visualMapModel.targetVisuals[valueState];\n  var visualTypes = VisualMapping.prepareVisualTypes(mappings);\n  var resultVisual = {\n    color: getVisualFromData(seriesModel.getData(), 'color') // default color.\n\n  };\n\n  for (var i = 0, len = visualTypes.length; i < len; i++) {\n    var type = visualTypes[i];\n    var mapping = mappings[type === 'opacity' ? '__alphaForOpacity' : type];\n    mapping && mapping.applyVisual(value, getVisual, setVisual);\n  }\n\n  return resultVisual.color;\n\n  function getVisual(key) {\n    return resultVisual[key];\n  }\n\n  function setVisual(key, value) {\n    resultVisual[key] = value;\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// @ts-nocheck\nimport * as zrUtil from 'zrender/lib/core/util';\nvar each = zrUtil.each;\nexport default function visualMapPreprocessor(option) {\n  var visualMap = option && option.visualMap;\n\n  if (!zrUtil.isArray(visualMap)) {\n    visualMap = visualMap ? [visualMap] : [];\n  }\n\n  each(visualMap, function (opt) {\n    if (!opt) {\n      return;\n    } // rename splitList to pieces\n\n\n    if (has(opt, 'splitList') && !has(opt, 'pieces')) {\n      opt.pieces = opt.splitList;\n      delete opt.splitList;\n    }\n\n    var pieces = opt.pieces;\n\n    if (pieces && zrUtil.isArray(pieces)) {\n      each(pieces, function (piece) {\n        if (zrUtil.isObject(piece)) {\n          if (has(piece, 'start') && !has(piece, 'min')) {\n            piece.min = piece.start;\n          }\n\n          if (has(piece, 'end') && !has(piece, 'max')) {\n            piece.max = piece.end;\n          }\n        }\n      });\n    }\n  });\n}\n\nfunction has(obj, name) {\n  return obj && obj.hasOwnProperty && obj.hasOwnProperty(name);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { visualMapActionInfo, visualMapActionHander } from './visualMapAction';\nimport { visualMapEncodingHandlers } from './visualEncoding';\nimport { each } from 'zrender/lib/core/util';\nimport preprocessor from './preprocessor';\nvar installed = false;\nexport default function installCommon(registers) {\n  if (installed) {\n    return;\n  }\n\n  installed = true;\n  registers.registerSubTypeDefaulter('visualMap', function (option) {\n    // Compatible with ec2, when splitNumber === 0, continuous visualMap will be used.\n    return !option.categories && (!(option.pieces ? option.pieces.length > 0 : option.splitNumber > 0) || option.calculable) ? 'continuous' : 'piecewise';\n  });\n  registers.registerAction(visualMapActionInfo, visualMapActionHander);\n  each(visualMapEncodingHandlers, function (handler) {\n    registers.registerVisual(registers.PRIORITY.VISUAL.COMPONENT, handler);\n  });\n  registers.registerPreprocessor(preprocessor);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport ContinuousModel from './ContinuousModel';\nimport ContinuousView from './ContinuousView';\nimport installCommon from './installCommon';\nexport function install(registers) {\n  registers.registerComponentModel(ContinuousModel);\n  registers.registerComponentView(ContinuousView);\n  installCommon(registers);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport VisualMapModel from './VisualMapModel';\nimport VisualMapping from '../../visual/VisualMapping';\nimport visualDefault from '../../visual/visualDefault';\nimport { reformIntervals } from '../../util/number';\nimport { inheritDefaultOption } from '../../util/component';\n\nvar PiecewiseModel =\n/** @class */\nfunction (_super) {\n  __extends(PiecewiseModel, _super);\n\n  function PiecewiseModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = PiecewiseModel.type;\n    /**\n     * The order is always [low, ..., high].\n     * [{text: string, interval: Array.<number>}, ...]\n     */\n\n    _this._pieceList = [];\n    return _this;\n  }\n\n  PiecewiseModel.prototype.optionUpdated = function (newOption, isInit) {\n    _super.prototype.optionUpdated.apply(this, arguments);\n\n    this.resetExtent();\n\n    var mode = this._mode = this._determineMode();\n\n    this._pieceList = [];\n\n    resetMethods[this._mode].call(this, this._pieceList);\n\n    this._resetSelected(newOption, isInit);\n\n    var categories = this.option.categories;\n    this.resetVisual(function (mappingOption, state) {\n      if (mode === 'categories') {\n        mappingOption.mappingMethod = 'category';\n        mappingOption.categories = zrUtil.clone(categories);\n      } else {\n        mappingOption.dataExtent = this.getExtent();\n        mappingOption.mappingMethod = 'piecewise';\n        mappingOption.pieceList = zrUtil.map(this._pieceList, function (piece) {\n          piece = zrUtil.clone(piece);\n\n          if (state !== 'inRange') {\n            // FIXME\n            // outOfRange do not support special visual in pieces.\n            piece.visual = null;\n          }\n\n          return piece;\n        });\n      }\n    });\n  };\n  /**\n   * @protected\n   * @override\n   */\n\n\n  PiecewiseModel.prototype.completeVisualOption = function () {\n    // Consider this case:\n    // visualMap: {\n    //      pieces: [{symbol: 'circle', lt: 0}, {symbol: 'rect', gte: 0}]\n    // }\n    // where no inRange/outOfRange set but only pieces. So we should make\n    // default inRange/outOfRange for this case, otherwise visuals that only\n    // appear in `pieces` will not be taken into account in visual encoding.\n    var option = this.option;\n    var visualTypesInPieces = {};\n    var visualTypes = VisualMapping.listVisualTypes();\n    var isCategory = this.isCategory();\n    zrUtil.each(option.pieces, function (piece) {\n      zrUtil.each(visualTypes, function (visualType) {\n        if (piece.hasOwnProperty(visualType)) {\n          visualTypesInPieces[visualType] = 1;\n        }\n      });\n    });\n    zrUtil.each(visualTypesInPieces, function (v, visualType) {\n      var exists = false;\n      zrUtil.each(this.stateList, function (state) {\n        exists = exists || has(option, state, visualType) || has(option.target, state, visualType);\n      }, this);\n      !exists && zrUtil.each(this.stateList, function (state) {\n        (option[state] || (option[state] = {}))[visualType] = visualDefault.get(visualType, state === 'inRange' ? 'active' : 'inactive', isCategory);\n      });\n    }, this);\n\n    function has(obj, state, visualType) {\n      return obj && obj[state] && obj[state].hasOwnProperty(visualType);\n    }\n\n    _super.prototype.completeVisualOption.apply(this, arguments);\n  };\n\n  PiecewiseModel.prototype._resetSelected = function (newOption, isInit) {\n    var thisOption = this.option;\n    var pieceList = this._pieceList; // Selected do not merge but all override.\n\n    var selected = (isInit ? thisOption : newOption).selected || {};\n    thisOption.selected = selected; // Consider 'not specified' means true.\n\n    zrUtil.each(pieceList, function (piece, index) {\n      var key = this.getSelectedMapKey(piece);\n\n      if (!selected.hasOwnProperty(key)) {\n        selected[key] = true;\n      }\n    }, this);\n\n    if (thisOption.selectedMode === 'single') {\n      // Ensure there is only one selected.\n      var hasSel_1 = false;\n      zrUtil.each(pieceList, function (piece, index) {\n        var key = this.getSelectedMapKey(piece);\n\n        if (selected[key]) {\n          hasSel_1 ? selected[key] = false : hasSel_1 = true;\n        }\n      }, this);\n    } // thisOption.selectedMode === 'multiple', default: all selected.\n\n  };\n  /**\n   * @public\n   */\n\n\n  PiecewiseModel.prototype.getItemSymbol = function () {\n    return this.get('itemSymbol');\n  };\n  /**\n   * @public\n   */\n\n\n  PiecewiseModel.prototype.getSelectedMapKey = function (piece) {\n    return this._mode === 'categories' ? piece.value + '' : piece.index + '';\n  };\n  /**\n   * @public\n   */\n\n\n  PiecewiseModel.prototype.getPieceList = function () {\n    return this._pieceList;\n  };\n  /**\n   * @return {string}\n   */\n\n\n  PiecewiseModel.prototype._determineMode = function () {\n    var option = this.option;\n    return option.pieces && option.pieces.length > 0 ? 'pieces' : this.option.categories ? 'categories' : 'splitNumber';\n  };\n  /**\n   * @override\n   */\n\n\n  PiecewiseModel.prototype.setSelected = function (selected) {\n    this.option.selected = zrUtil.clone(selected);\n  };\n  /**\n   * @override\n   */\n\n\n  PiecewiseModel.prototype.getValueState = function (value) {\n    var index = VisualMapping.findPieceIndex(value, this._pieceList);\n    return index != null ? this.option.selected[this.getSelectedMapKey(this._pieceList[index])] ? 'inRange' : 'outOfRange' : 'outOfRange';\n  };\n  /**\n   * @public\n   * @param pieceIndex piece index in visualMapModel.getPieceList()\n   */\n\n\n  PiecewiseModel.prototype.findTargetDataIndices = function (pieceIndex) {\n    var result = [];\n    var pieceList = this._pieceList;\n    this.eachTargetSeries(function (seriesModel) {\n      var dataIndices = [];\n      var data = seriesModel.getData();\n      data.each(this.getDataDimension(data), function (value, dataIndex) {\n        // Should always base on model pieceList, because it is order sensitive.\n        var pIdx = VisualMapping.findPieceIndex(value, pieceList);\n        pIdx === pieceIndex && dataIndices.push(dataIndex);\n      }, this);\n      result.push({\n        seriesId: seriesModel.id,\n        dataIndex: dataIndices\n      });\n    }, this);\n    return result;\n  };\n  /**\n   * @private\n   * @param piece piece.value or piece.interval is required.\n   * @return  Can be Infinity or -Infinity\n   */\n\n\n  PiecewiseModel.prototype.getRepresentValue = function (piece) {\n    var representValue;\n\n    if (this.isCategory()) {\n      representValue = piece.value;\n    } else {\n      if (piece.value != null) {\n        representValue = piece.value;\n      } else {\n        var pieceInterval = piece.interval || [];\n        representValue = pieceInterval[0] === -Infinity && pieceInterval[1] === Infinity ? 0 : (pieceInterval[0] + pieceInterval[1]) / 2;\n      }\n    }\n\n    return representValue;\n  };\n\n  PiecewiseModel.prototype.getVisualMeta = function (getColorVisual) {\n    // Do not support category. (category axis is ordinal, numerical)\n    if (this.isCategory()) {\n      return;\n    }\n\n    var stops = [];\n    var outerColors = ['', ''];\n    var visualMapModel = this;\n\n    function setStop(interval, valueState) {\n      var representValue = visualMapModel.getRepresentValue({\n        interval: interval\n      }); // Not category\n\n      if (!valueState) {\n        valueState = visualMapModel.getValueState(representValue);\n      }\n\n      var color = getColorVisual(representValue, valueState);\n\n      if (interval[0] === -Infinity) {\n        outerColors[0] = color;\n      } else if (interval[1] === Infinity) {\n        outerColors[1] = color;\n      } else {\n        stops.push({\n          value: interval[0],\n          color: color\n        }, {\n          value: interval[1],\n          color: color\n        });\n      }\n    } // Suplement\n\n\n    var pieceList = this._pieceList.slice();\n\n    if (!pieceList.length) {\n      pieceList.push({\n        interval: [-Infinity, Infinity]\n      });\n    } else {\n      var edge = pieceList[0].interval[0];\n      edge !== -Infinity && pieceList.unshift({\n        interval: [-Infinity, edge]\n      });\n      edge = pieceList[pieceList.length - 1].interval[1];\n      edge !== Infinity && pieceList.push({\n        interval: [edge, Infinity]\n      });\n    }\n\n    var curr = -Infinity;\n    zrUtil.each(pieceList, function (piece) {\n      var interval = piece.interval;\n\n      if (interval) {\n        // Fulfill gap.\n        interval[0] > curr && setStop([curr, interval[0]], 'outOfRange');\n        setStop(interval.slice());\n        curr = interval[1];\n      }\n    }, this);\n    return {\n      stops: stops,\n      outerColors: outerColors\n    };\n  };\n\n  PiecewiseModel.type = 'visualMap.piecewise';\n  PiecewiseModel.defaultOption = inheritDefaultOption(VisualMapModel.defaultOption, {\n    selected: null,\n    minOpen: false,\n    maxOpen: false,\n    align: 'auto',\n    itemWidth: 20,\n    itemHeight: 14,\n    itemSymbol: 'roundRect',\n    pieces: null,\n    categories: null,\n    splitNumber: 5,\n    selectedMode: 'multiple',\n    itemGap: 10,\n    hoverLink: true // Enable hover highlight.\n\n  });\n  return PiecewiseModel;\n}(VisualMapModel);\n\n;\n/**\n * Key is this._mode\n * @type {Object}\n * @this {module:echarts/component/viusalMap/PiecewiseMode}\n */\n\nvar resetMethods = {\n  splitNumber: function (outPieceList) {\n    var thisOption = this.option;\n    var precision = Math.min(thisOption.precision, 20);\n    var dataExtent = this.getExtent();\n    var splitNumber = thisOption.splitNumber;\n    splitNumber = Math.max(parseInt(splitNumber, 10), 1);\n    thisOption.splitNumber = splitNumber;\n    var splitStep = (dataExtent[1] - dataExtent[0]) / splitNumber; // Precision auto-adaption\n\n    while (+splitStep.toFixed(precision) !== splitStep && precision < 5) {\n      precision++;\n    }\n\n    thisOption.precision = precision;\n    splitStep = +splitStep.toFixed(precision);\n\n    if (thisOption.minOpen) {\n      outPieceList.push({\n        interval: [-Infinity, dataExtent[0]],\n        close: [0, 0]\n      });\n    }\n\n    for (var index = 0, curr = dataExtent[0]; index < splitNumber; curr += splitStep, index++) {\n      var max = index === splitNumber - 1 ? dataExtent[1] : curr + splitStep;\n      outPieceList.push({\n        interval: [curr, max],\n        close: [1, 1]\n      });\n    }\n\n    if (thisOption.maxOpen) {\n      outPieceList.push({\n        interval: [dataExtent[1], Infinity],\n        close: [0, 0]\n      });\n    }\n\n    reformIntervals(outPieceList);\n    zrUtil.each(outPieceList, function (piece, index) {\n      piece.index = index;\n      piece.text = this.formatValueText(piece.interval);\n    }, this);\n  },\n  categories: function (outPieceList) {\n    var thisOption = this.option;\n    zrUtil.each(thisOption.categories, function (cate) {\n      // FIXME category模式也使用pieceList，但在visualMapping中不是使用pieceList。\n      // 是否改一致。\n      outPieceList.push({\n        text: this.formatValueText(cate, true),\n        value: cate\n      });\n    }, this); // See \"Order Rule\".\n\n    normalizeReverse(thisOption, outPieceList);\n  },\n  pieces: function (outPieceList) {\n    var thisOption = this.option;\n    zrUtil.each(thisOption.pieces, function (pieceListItem, index) {\n      if (!zrUtil.isObject(pieceListItem)) {\n        pieceListItem = {\n          value: pieceListItem\n        };\n      }\n\n      var item = {\n        text: '',\n        index: index\n      };\n\n      if (pieceListItem.label != null) {\n        item.text = pieceListItem.label;\n      }\n\n      if (pieceListItem.hasOwnProperty('value')) {\n        var value = item.value = pieceListItem.value;\n        item.interval = [value, value];\n        item.close = [1, 1];\n      } else {\n        // `min` `max` is legacy option.\n        // `lt` `gt` `lte` `gte` is recommanded.\n        var interval = item.interval = [];\n        var close_1 = item.close = [0, 0];\n        var closeList = [1, 0, 1];\n        var infinityList = [-Infinity, Infinity];\n        var useMinMax = [];\n\n        for (var lg = 0; lg < 2; lg++) {\n          var names = [['gte', 'gt', 'min'], ['lte', 'lt', 'max']][lg];\n\n          for (var i = 0; i < 3 && interval[lg] == null; i++) {\n            interval[lg] = pieceListItem[names[i]];\n            close_1[lg] = closeList[i];\n            useMinMax[lg] = i === 2;\n          }\n\n          interval[lg] == null && (interval[lg] = infinityList[lg]);\n        }\n\n        useMinMax[0] && interval[1] === Infinity && (close_1[0] = 0);\n        useMinMax[1] && interval[0] === -Infinity && (close_1[1] = 0);\n\n        if (process.env.NODE_ENV !== 'production') {\n          if (interval[0] > interval[1]) {\n            console.warn('Piece ' + index + 'is illegal: ' + interval + ' lower bound should not greater then uppper bound.');\n          }\n        }\n\n        if (interval[0] === interval[1] && close_1[0] && close_1[1]) {\n          // Consider: [{min: 5, max: 5, visual: {...}}, {min: 0, max: 5}],\n          // we use value to lift the priority when min === max\n          item.value = interval[0];\n        }\n      }\n\n      item.visual = VisualMapping.retrieveVisuals(pieceListItem);\n      outPieceList.push(item);\n    }, this); // See \"Order Rule\".\n\n    normalizeReverse(thisOption, outPieceList); // Only pieces\n\n    reformIntervals(outPieceList);\n    zrUtil.each(outPieceList, function (piece) {\n      var close = piece.close;\n      var edgeSymbols = [['<', '≤'][close[1]], ['>', '≥'][close[0]]];\n      piece.text = piece.text || this.formatValueText(piece.value != null ? piece.value : piece.interval, false, edgeSymbols);\n    }, this);\n  }\n};\n\nfunction normalizeReverse(thisOption, pieceList) {\n  var inverse = thisOption.inverse;\n\n  if (thisOption.orient === 'vertical' ? !inverse : inverse) {\n    pieceList.reverse();\n  }\n}\n\nexport default PiecewiseModel;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport VisualMapView from './VisualMapView';\nimport * as graphic from '../../util/graphic';\nimport { createSymbol } from '../../util/symbol';\nimport * as layout from '../../util/layout';\nimport * as helper from './helper';\n\nvar PiecewiseVisualMapView =\n/** @class */\nfunction (_super) {\n  __extends(PiecewiseVisualMapView, _super);\n\n  function PiecewiseVisualMapView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = PiecewiseVisualMapView.type;\n    return _this;\n  }\n\n  PiecewiseVisualMapView.prototype.doRender = function () {\n    var thisGroup = this.group;\n    thisGroup.removeAll();\n    var visualMapModel = this.visualMapModel;\n    var textGap = visualMapModel.get('textGap');\n    var textStyleModel = visualMapModel.textStyleModel;\n    var textFont = textStyleModel.getFont();\n    var textFill = textStyleModel.getTextColor();\n\n    var itemAlign = this._getItemAlign();\n\n    var itemSize = visualMapModel.itemSize;\n\n    var viewData = this._getViewData();\n\n    var endsText = viewData.endsText;\n    var showLabel = zrUtil.retrieve(visualMapModel.get('showLabel', true), !endsText);\n    endsText && this._renderEndsText(thisGroup, endsText[0], itemSize, showLabel, itemAlign);\n    zrUtil.each(viewData.viewPieceList, function (item) {\n      var piece = item.piece;\n      var itemGroup = new graphic.Group();\n      itemGroup.onclick = zrUtil.bind(this._onItemClick, this, piece);\n\n      this._enableHoverLink(itemGroup, item.indexInModelPieceList); // TODO Category\n\n\n      var representValue = visualMapModel.getRepresentValue(piece);\n\n      this._createItemSymbol(itemGroup, representValue, [0, 0, itemSize[0], itemSize[1]]);\n\n      if (showLabel) {\n        var visualState = this.visualMapModel.getValueState(representValue);\n        itemGroup.add(new graphic.Text({\n          style: {\n            x: itemAlign === 'right' ? -textGap : itemSize[0] + textGap,\n            y: itemSize[1] / 2,\n            text: piece.text,\n            verticalAlign: 'middle',\n            align: itemAlign,\n            font: textFont,\n            fill: textFill,\n            opacity: visualState === 'outOfRange' ? 0.5 : 1\n          }\n        }));\n      }\n\n      thisGroup.add(itemGroup);\n    }, this);\n    endsText && this._renderEndsText(thisGroup, endsText[1], itemSize, showLabel, itemAlign);\n    layout.box(visualMapModel.get('orient'), thisGroup, visualMapModel.get('itemGap'));\n    this.renderBackground(thisGroup);\n    this.positionGroup(thisGroup);\n  };\n\n  PiecewiseVisualMapView.prototype._enableHoverLink = function (itemGroup, pieceIndex) {\n    var _this = this;\n\n    itemGroup.on('mouseover', function () {\n      return onHoverLink('highlight');\n    }).on('mouseout', function () {\n      return onHoverLink('downplay');\n    });\n\n    var onHoverLink = function (method) {\n      var visualMapModel = _this.visualMapModel; // TODO: TYPE More detailed action types\n\n      visualMapModel.option.hoverLink && _this.api.dispatchAction({\n        type: method,\n        batch: helper.makeHighDownBatch(visualMapModel.findTargetDataIndices(pieceIndex), visualMapModel)\n      });\n    };\n  };\n\n  PiecewiseVisualMapView.prototype._getItemAlign = function () {\n    var visualMapModel = this.visualMapModel;\n    var modelOption = visualMapModel.option;\n\n    if (modelOption.orient === 'vertical') {\n      return helper.getItemAlign(visualMapModel, this.api, visualMapModel.itemSize);\n    } else {\n      // horizontal, most case left unless specifying right.\n      var align = modelOption.align;\n\n      if (!align || align === 'auto') {\n        align = 'left';\n      }\n\n      return align;\n    }\n  };\n\n  PiecewiseVisualMapView.prototype._renderEndsText = function (group, text, itemSize, showLabel, itemAlign) {\n    if (!text) {\n      return;\n    }\n\n    var itemGroup = new graphic.Group();\n    var textStyleModel = this.visualMapModel.textStyleModel;\n    itemGroup.add(new graphic.Text({\n      style: {\n        x: showLabel ? itemAlign === 'right' ? itemSize[0] : 0 : itemSize[0] / 2,\n        y: itemSize[1] / 2,\n        verticalAlign: 'middle',\n        align: showLabel ? itemAlign : 'center',\n        text: text,\n        font: textStyleModel.getFont(),\n        fill: textStyleModel.getTextColor()\n      }\n    }));\n    group.add(itemGroup);\n  };\n  /**\n   * @private\n   * @return {Object} {peiceList, endsText} The order is the same as screen pixel order.\n   */\n\n\n  PiecewiseVisualMapView.prototype._getViewData = function () {\n    var visualMapModel = this.visualMapModel;\n    var viewPieceList = zrUtil.map(visualMapModel.getPieceList(), function (piece, index) {\n      return {\n        piece: piece,\n        indexInModelPieceList: index\n      };\n    });\n    var endsText = visualMapModel.get('text'); // Consider orient and inverse.\n\n    var orient = visualMapModel.get('orient');\n    var inverse = visualMapModel.get('inverse'); // Order of model pieceList is always [low, ..., high]\n\n    if (orient === 'horizontal' ? inverse : !inverse) {\n      viewPieceList.reverse();\n    } // Origin order of endsText is [high, low]\n    else if (endsText) {\n        endsText = endsText.slice().reverse();\n      }\n\n    return {\n      viewPieceList: viewPieceList,\n      endsText: endsText\n    };\n  };\n\n  PiecewiseVisualMapView.prototype._createItemSymbol = function (group, representValue, shapeParam) {\n    group.add(createSymbol( // symbol will be string\n    this.getControllerVisual(representValue, 'symbol'), shapeParam[0], shapeParam[1], shapeParam[2], shapeParam[3], // color will be string\n    this.getControllerVisual(representValue, 'color')));\n  };\n\n  PiecewiseVisualMapView.prototype._onItemClick = function (piece) {\n    var visualMapModel = this.visualMapModel;\n    var option = visualMapModel.option;\n    var selected = zrUtil.clone(option.selected);\n    var newKey = visualMapModel.getSelectedMapKey(piece);\n\n    if (option.selectedMode === 'single') {\n      selected[newKey] = true;\n      zrUtil.each(selected, function (o, key) {\n        selected[key] = key === newKey;\n      });\n    } else {\n      selected[newKey] = !selected[newKey];\n    }\n\n    this.api.dispatchAction({\n      type: 'selectDataRange',\n      from: this.uid,\n      visualMapId: this.visualMapModel.id,\n      selected: selected\n    });\n  };\n\n  PiecewiseVisualMapView.type = 'visualMap.piecewise';\n  return PiecewiseVisualMapView;\n}(VisualMapView);\n\nexport default PiecewiseVisualMapView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport PiecewiseModel from './PiecewiseModel';\nimport PiecewiseView from './PiecewiseView';\nimport installCommon from './installCommon';\nexport function install(registers) {\n  registers.registerComponentModel(PiecewiseModel);\n  registers.registerComponentView(PiecewiseView);\n  installCommon(registers);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { retrieveRawValue } from '../data/helper/dataProvider';\nimport { makeInner } from '../util/model';\nimport { getDecalFromPalette } from '../model/mixin/palette';\nvar DEFAULT_OPTION = {\n  label: {\n    enabled: true\n  },\n  decal: {\n    show: false\n  }\n};\nvar inner = makeInner();\nvar decalPaletteScope = {};\nexport default function ariaVisual(ecModel, api) {\n  var ariaModel = ecModel.getModel('aria'); // See \"area enabled\" detection code in `GlobalModel.ts`.\n\n  if (!ariaModel.get('enabled')) {\n    return;\n  }\n\n  var defaultOption = zrUtil.clone(DEFAULT_OPTION);\n  zrUtil.merge(defaultOption.label, ecModel.getLocaleModel().get('aria'), false);\n  zrUtil.merge(ariaModel.option, defaultOption, false);\n  setDecal();\n  setLabel();\n\n  function setDecal() {\n    var decalModel = ariaModel.getModel('decal');\n    var useDecal = decalModel.get('show');\n\n    if (useDecal) {\n      // Each type of series use one scope.\n      // Pie and funnel are using diferrent scopes\n      var paletteScopeGroupByType_1 = zrUtil.createHashMap();\n      ecModel.eachSeries(function (seriesModel) {\n        if (!seriesModel.useColorPaletteOnData) {\n          return;\n        }\n\n        var decalScope = paletteScopeGroupByType_1.get(seriesModel.type);\n\n        if (!decalScope) {\n          decalScope = {};\n          paletteScopeGroupByType_1.set(seriesModel.type, decalScope);\n        }\n\n        inner(seriesModel).scope = decalScope;\n      });\n      ecModel.eachRawSeries(function (seriesModel) {\n        if (ecModel.isSeriesFiltered(seriesModel)) {\n          return;\n        }\n\n        if (typeof seriesModel.enableAriaDecal === 'function') {\n          // Let series define how to use decal palette on data\n          seriesModel.enableAriaDecal();\n          return;\n        }\n\n        var data = seriesModel.getData();\n\n        if (seriesModel.useColorPaletteOnData) {\n          var dataAll_1 = seriesModel.getRawData();\n          var idxMap_1 = {};\n          var decalScope_1 = inner(seriesModel).scope;\n          data.each(function (idx) {\n            var rawIdx = data.getRawIndex(idx);\n            idxMap_1[rawIdx] = idx;\n          });\n          var dataCount_1 = dataAll_1.count();\n          dataAll_1.each(function (rawIdx) {\n            var idx = idxMap_1[rawIdx];\n            var name = dataAll_1.getName(rawIdx) || rawIdx + '';\n            var paletteDecal = getDecalFromPalette(seriesModel.ecModel, name, decalScope_1, dataCount_1);\n            var specifiedDecal = data.getItemVisual(idx, 'decal');\n            data.setItemVisual(idx, 'decal', mergeDecal(specifiedDecal, paletteDecal));\n          });\n        } else {\n          var paletteDecal = getDecalFromPalette(seriesModel.ecModel, seriesModel.name, decalPaletteScope, ecModel.getSeriesCount());\n          var specifiedDecal = data.getVisual('decal');\n          data.setVisual('decal', mergeDecal(specifiedDecal, paletteDecal));\n        }\n\n        function mergeDecal(specifiedDecal, paletteDecal) {\n          // Merge decal from palette to decal from itemStyle.\n          // User do not need to specify all of the decal props.\n          var resultDecal = specifiedDecal ? zrUtil.extend(zrUtil.extend({}, paletteDecal), specifiedDecal) : paletteDecal;\n          resultDecal.dirty = true;\n          return resultDecal;\n        }\n      });\n    }\n  }\n\n  function setLabel() {\n    var labelLocale = ecModel.getLocaleModel().get('aria');\n    var labelModel = ariaModel.getModel('label');\n    labelModel.option = zrUtil.defaults(labelModel.option, labelLocale);\n\n    if (!labelModel.get('enabled')) {\n      return;\n    }\n\n    var dom = api.getZr().dom;\n\n    if (labelModel.get('description')) {\n      dom.setAttribute('aria-label', labelModel.get('description'));\n      return;\n    }\n\n    var seriesCnt = ecModel.getSeriesCount();\n    var maxDataCnt = labelModel.get(['data', 'maxCount']) || 10;\n    var maxSeriesCnt = labelModel.get(['series', 'maxCount']) || 10;\n    var displaySeriesCnt = Math.min(seriesCnt, maxSeriesCnt);\n    var ariaLabel;\n\n    if (seriesCnt < 1) {\n      // No series, no aria label\n      return;\n    } else {\n      var title = getTitle();\n\n      if (title) {\n        var withTitle = labelModel.get(['general', 'withTitle']);\n        ariaLabel = replace(withTitle, {\n          title: title\n        });\n      } else {\n        ariaLabel = labelModel.get(['general', 'withoutTitle']);\n      }\n\n      var seriesLabels_1 = [];\n      var prefix = seriesCnt > 1 ? labelModel.get(['series', 'multiple', 'prefix']) : labelModel.get(['series', 'single', 'prefix']);\n      ariaLabel += replace(prefix, {\n        seriesCount: seriesCnt\n      });\n      ecModel.eachSeries(function (seriesModel, idx) {\n        if (idx < displaySeriesCnt) {\n          var seriesLabel = void 0;\n          var seriesName = seriesModel.get('name');\n          var withName = seriesName ? 'withName' : 'withoutName';\n          seriesLabel = seriesCnt > 1 ? labelModel.get(['series', 'multiple', withName]) : labelModel.get(['series', 'single', withName]);\n          seriesLabel = replace(seriesLabel, {\n            seriesId: seriesModel.seriesIndex,\n            seriesName: seriesModel.get('name'),\n            seriesType: getSeriesTypeName(seriesModel.subType)\n          });\n          var data = seriesModel.getData();\n\n          if (data.count() > maxDataCnt) {\n            // Show part of data\n            var partialLabel = labelModel.get(['data', 'partialData']);\n            seriesLabel += replace(partialLabel, {\n              displayCnt: maxDataCnt\n            });\n          } else {\n            seriesLabel += labelModel.get(['data', 'allData']);\n          }\n\n          var dataLabels = [];\n\n          for (var i = 0; i < data.count(); i++) {\n            if (i < maxDataCnt) {\n              var name_1 = data.getName(i);\n              var value = retrieveRawValue(data, i);\n              var dataLabel = labelModel.get(['data', name_1 ? 'withName' : 'withoutName']);\n              dataLabels.push(replace(dataLabel, {\n                name: name_1,\n                value: value\n              }));\n            }\n          }\n\n          var middleSeparator_1 = labelModel.get(['data', 'separator', 'middle']);\n          var endSeparator_1 = labelModel.get(['data', 'separator', 'end']);\n          seriesLabel += dataLabels.join(middleSeparator_1) + endSeparator_1;\n          seriesLabels_1.push(seriesLabel);\n        }\n      });\n      var separatorModel = labelModel.getModel(['series', 'multiple', 'separator']);\n      var middleSeparator = separatorModel.get('middle');\n      var endSeparator = separatorModel.get('end');\n      ariaLabel += seriesLabels_1.join(middleSeparator) + endSeparator;\n      dom.setAttribute('aria-label', ariaLabel);\n    }\n  }\n\n  function replace(str, keyValues) {\n    if (typeof str !== 'string') {\n      return str;\n    }\n\n    var result = str;\n    zrUtil.each(keyValues, function (value, key) {\n      result = result.replace(new RegExp('\\\\{\\\\s*' + key + '\\\\s*\\\\}', 'g'), value);\n    });\n    return result;\n  }\n\n  function getTitle() {\n    var title = ecModel.get('title');\n\n    if (title && title.length) {\n      title = title[0];\n    }\n\n    return title && title.text;\n  }\n\n  function getSeriesTypeName(type) {\n    return ecModel.getLocaleModel().get(['series', 'typeNames'])[type] || '自定义图';\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nexport default function ariaPreprocessor(option) {\n  if (!option || !option.aria) {\n    return;\n  }\n\n  var aria = option.aria; // aria.show is deprecated and should use aria.enabled instead\n\n  if (aria.show != null) {\n    aria.enabled = aria.show;\n  }\n\n  aria.label = aria.label || {}; // move description, general, series, data to be under aria.label\n\n  zrUtil.each(['description', 'general', 'series', 'data'], function (name) {\n    if (aria[name] != null) {\n      aria.label[name] = aria[name];\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { keys, isArray, map, isObject, isString, isRegExp, isArrayLike, hasOwn } from 'zrender/lib/core/util';\nimport { throwError, makePrintable } from './log';\nimport { getRawValueParser, createFilterComparator } from '../data/helper/dataValueHelper';\n;\nvar RELATIONAL_EXPRESSION_OP_ALIAS_MAP = {\n  value: 'eq',\n  // PENDING: not good for literal semantic?\n  '<': 'lt',\n  '<=': 'lte',\n  '>': 'gt',\n  '>=': 'gte',\n  '=': 'eq',\n  '!=': 'ne',\n  '<>': 'ne' // Might mileading for sake of the different between '==' and '===',\n  // So dont support them.\n  // '==': 'eq',\n  // '===': 'seq',\n  // '!==': 'sne'\n  // PENDING: Whether support some common alias \"ge\", \"le\", \"neq\"?\n  // ge: 'gte',\n  // le: 'lte',\n  // neq: 'ne',\n\n};\n\nvar RegExpEvaluator =\n/** @class */\nfunction () {\n  function RegExpEvaluator(rVal) {\n    // Support condVal: RegExp | string\n    var condValue = this._condVal = isString(rVal) ? new RegExp(rVal) : isRegExp(rVal) ? rVal : null;\n\n    if (condValue == null) {\n      var errMsg = '';\n\n      if (process.env.NODE_ENV !== 'production') {\n        errMsg = makePrintable('Illegal regexp', rVal, 'in');\n      }\n\n      throwError(errMsg);\n    }\n  }\n\n  RegExpEvaluator.prototype.evaluate = function (lVal) {\n    var type = typeof lVal;\n    return type === 'string' ? this._condVal.test(lVal) : type === 'number' ? this._condVal.test(lVal + '') : false;\n  };\n\n  return RegExpEvaluator;\n}();\n\nvar ConstConditionInternal =\n/** @class */\nfunction () {\n  function ConstConditionInternal() {}\n\n  ConstConditionInternal.prototype.evaluate = function () {\n    return this.value;\n  };\n\n  return ConstConditionInternal;\n}();\n\nvar AndConditionInternal =\n/** @class */\nfunction () {\n  function AndConditionInternal() {}\n\n  AndConditionInternal.prototype.evaluate = function () {\n    var children = this.children;\n\n    for (var i = 0; i < children.length; i++) {\n      if (!children[i].evaluate()) {\n        return false;\n      }\n    }\n\n    return true;\n  };\n\n  return AndConditionInternal;\n}();\n\nvar OrConditionInternal =\n/** @class */\nfunction () {\n  function OrConditionInternal() {}\n\n  OrConditionInternal.prototype.evaluate = function () {\n    var children = this.children;\n\n    for (var i = 0; i < children.length; i++) {\n      if (children[i].evaluate()) {\n        return true;\n      }\n    }\n\n    return false;\n  };\n\n  return OrConditionInternal;\n}();\n\nvar NotConditionInternal =\n/** @class */\nfunction () {\n  function NotConditionInternal() {}\n\n  NotConditionInternal.prototype.evaluate = function () {\n    return !this.child.evaluate();\n  };\n\n  return NotConditionInternal;\n}();\n\nvar RelationalConditionInternal =\n/** @class */\nfunction () {\n  function RelationalConditionInternal() {}\n\n  RelationalConditionInternal.prototype.evaluate = function () {\n    var needParse = !!this.valueParser; // Call getValue with no `this`.\n\n    var getValue = this.getValue;\n    var tarValRaw = getValue(this.valueGetterParam);\n    var tarValParsed = needParse ? this.valueParser(tarValRaw) : null; // Relational cond follow \"and\" logic internally.\n\n    for (var i = 0; i < this.subCondList.length; i++) {\n      if (!this.subCondList[i].evaluate(needParse ? tarValParsed : tarValRaw)) {\n        return false;\n      }\n    }\n\n    return true;\n  };\n\n  return RelationalConditionInternal;\n}();\n\nfunction parseOption(exprOption, getters) {\n  if (exprOption === true || exprOption === false) {\n    var cond = new ConstConditionInternal();\n    cond.value = exprOption;\n    return cond;\n  }\n\n  var errMsg = '';\n\n  if (!isObjectNotArray(exprOption)) {\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = makePrintable('Illegal config. Expect a plain object but actually', exprOption);\n    }\n\n    throwError(errMsg);\n  }\n\n  if (exprOption.and) {\n    return parseAndOrOption('and', exprOption, getters);\n  } else if (exprOption.or) {\n    return parseAndOrOption('or', exprOption, getters);\n  } else if (exprOption.not) {\n    return parseNotOption(exprOption, getters);\n  }\n\n  return parseRelationalOption(exprOption, getters);\n}\n\nfunction parseAndOrOption(op, exprOption, getters) {\n  var subOptionArr = exprOption[op];\n  var errMsg = '';\n\n  if (process.env.NODE_ENV !== 'production') {\n    errMsg = makePrintable('\"and\"/\"or\" condition should only be `' + op + ': [...]` and must not be empty array.', 'Illegal condition:', exprOption);\n  }\n\n  if (!isArray(subOptionArr)) {\n    throwError(errMsg);\n  }\n\n  if (!subOptionArr.length) {\n    throwError(errMsg);\n  }\n\n  var cond = op === 'and' ? new AndConditionInternal() : new OrConditionInternal();\n  cond.children = map(subOptionArr, function (subOption) {\n    return parseOption(subOption, getters);\n  });\n\n  if (!cond.children.length) {\n    throwError(errMsg);\n  }\n\n  return cond;\n}\n\nfunction parseNotOption(exprOption, getters) {\n  var subOption = exprOption.not;\n  var errMsg = '';\n\n  if (process.env.NODE_ENV !== 'production') {\n    errMsg = makePrintable('\"not\" condition should only be `not: {}`.', 'Illegal condition:', exprOption);\n  }\n\n  if (!isObjectNotArray(subOption)) {\n    throwError(errMsg);\n  }\n\n  var cond = new NotConditionInternal();\n  cond.child = parseOption(subOption, getters);\n\n  if (!cond.child) {\n    throwError(errMsg);\n  }\n\n  return cond;\n}\n\nfunction parseRelationalOption(exprOption, getters) {\n  var errMsg = '';\n  var valueGetterParam = getters.prepareGetValue(exprOption);\n  var subCondList = [];\n  var exprKeys = keys(exprOption);\n  var parserName = exprOption.parser;\n  var valueParser = parserName ? getRawValueParser(parserName) : null;\n\n  for (var i = 0; i < exprKeys.length; i++) {\n    var keyRaw = exprKeys[i];\n\n    if (keyRaw === 'parser' || getters.valueGetterAttrMap.get(keyRaw)) {\n      continue;\n    }\n\n    var op = hasOwn(RELATIONAL_EXPRESSION_OP_ALIAS_MAP, keyRaw) ? RELATIONAL_EXPRESSION_OP_ALIAS_MAP[keyRaw] : keyRaw;\n    var condValueRaw = exprOption[keyRaw];\n    var condValueParsed = valueParser ? valueParser(condValueRaw) : condValueRaw;\n    var evaluator = createFilterComparator(op, condValueParsed) || op === 'reg' && new RegExpEvaluator(condValueParsed);\n\n    if (!evaluator) {\n      if (process.env.NODE_ENV !== 'production') {\n        errMsg = makePrintable('Illegal relational operation: \"' + keyRaw + '\" in condition:', exprOption);\n      }\n\n      throwError(errMsg);\n    }\n\n    subCondList.push(evaluator);\n  }\n\n  if (!subCondList.length) {\n    if (process.env.NODE_ENV !== 'production') {\n      errMsg = makePrintable('Relational condition must have at least one operator.', 'Illegal condition:', exprOption);\n    } // No relational operator always disabled in case of dangers result.\n\n\n    throwError(errMsg);\n  }\n\n  var cond = new RelationalConditionInternal();\n  cond.valueGetterParam = valueGetterParam;\n  cond.valueParser = valueParser;\n  cond.getValue = getters.getValue;\n  cond.subCondList = subCondList;\n  return cond;\n}\n\nfunction isObjectNotArray(val) {\n  return isObject(val) && !isArrayLike(val);\n}\n\nvar ConditionalExpressionParsed =\n/** @class */\nfunction () {\n  function ConditionalExpressionParsed(exprOption, getters) {\n    this._cond = parseOption(exprOption, getters);\n  }\n\n  ConditionalExpressionParsed.prototype.evaluate = function () {\n    return this._cond.evaluate();\n  };\n\n  return ConditionalExpressionParsed;\n}();\n\n;\nexport function parseConditionalExpression(exprOption, getters) {\n  return new ConditionalExpressionParsed(exprOption, getters);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { parseConditionalExpression } from '../../util/conditionalExpression';\nimport { hasOwn, createHashMap } from 'zrender/lib/core/util';\nimport { makePrintable, throwError } from '../../util/log';\nexport var filterTransform = {\n  type: 'echarts:filter',\n  // PEDING: enhance to filter by index rather than create new data\n  transform: function (params) {\n    // [Caveat] Fail-Fast:\n    // Do not return the whole dataset unless user config indicate it explicitly.\n    // For example, if no condition specified by mistake, return an empty result\n    // is better than return the entire raw soruce for user to find the mistake.\n    var upstream = params.upstream;\n    var rawItem;\n    var condition = parseConditionalExpression(params.config, {\n      valueGetterAttrMap: createHashMap({\n        dimension: true\n      }),\n      prepareGetValue: function (exprOption) {\n        var errMsg = '';\n        var dimLoose = exprOption.dimension;\n\n        if (!hasOwn(exprOption, 'dimension')) {\n          if (process.env.NODE_ENV !== 'production') {\n            errMsg = makePrintable('Relation condition must has prop \"dimension\" specified.', 'Illegal condition:', exprOption);\n          }\n\n          throwError(errMsg);\n        }\n\n        var dimInfo = upstream.getDimensionInfo(dimLoose);\n\n        if (!dimInfo) {\n          if (process.env.NODE_ENV !== 'production') {\n            errMsg = makePrintable('Can not find dimension info via: ' + dimLoose + '.\\n', 'Existing dimensions: ', upstream.cloneAllDimensionInfo(), '.\\n', 'Illegal condition:', exprOption, '.\\n');\n          }\n\n          throwError(errMsg);\n        }\n\n        return {\n          dimIdx: dimInfo.index\n        };\n      },\n      getValue: function (param) {\n        return upstream.retrieveValueFromItem(rawItem, param.dimIdx);\n      }\n    });\n    var resultData = [];\n\n    for (var i = 0, len = upstream.count(); i < len; i++) {\n      rawItem = upstream.getRawDataItem(i);\n\n      if (condition.evaluate()) {\n        resultData.push(rawItem);\n      }\n    }\n\n    return {\n      data: resultData\n    };\n  }\n};","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { SOURCE_FORMAT_ARRAY_ROWS, SOURCE_FORMAT_OBJECT_ROWS } from '../../util/types';\nimport { makePrintable, throwError } from '../../util/log';\nimport { each } from 'zrender/lib/core/util';\nimport { normalizeToArray } from '../../util/model';\nimport { getRawValueParser, SortOrderComparator } from '../../data/helper/dataValueHelper';\nvar sampleLog = '';\n\nif (process.env.NODE_ENV !== 'production') {\n  sampleLog = ['Valid config is like:', '{ dimension: \"age\", order: \"asc\" }', 'or [{ dimension: \"age\", order: \"asc\"], { dimension: \"date\", order: \"desc\" }]'].join(' ');\n}\n\nexport var sortTransform = {\n  type: 'echarts:sort',\n  transform: function (params) {\n    var upstream = params.upstream;\n    var config = params.config;\n    var errMsg = ''; // Normalize\n    // const orderExprList: OrderExpression[] = isArray(config[0])\n    //     ? config as OrderExpression[]\n    //     : [config as OrderExpression];\n\n    var orderExprList = normalizeToArray(config);\n\n    if (!orderExprList.length) {\n      if (process.env.NODE_ENV !== 'production') {\n        errMsg = 'Empty `config` in sort transform.';\n      }\n\n      throwError(errMsg);\n    }\n\n    var orderDefList = [];\n    each(orderExprList, function (orderExpr) {\n      var dimLoose = orderExpr.dimension;\n      var order = orderExpr.order;\n      var parserName = orderExpr.parser;\n      var incomparable = orderExpr.incomparable;\n\n      if (dimLoose == null) {\n        if (process.env.NODE_ENV !== 'production') {\n          errMsg = 'Sort transform config must has \"dimension\" specified.' + sampleLog;\n        }\n\n        throwError(errMsg);\n      }\n\n      if (order !== 'asc' && order !== 'desc') {\n        if (process.env.NODE_ENV !== 'production') {\n          errMsg = 'Sort transform config must has \"order\" specified.' + sampleLog;\n        }\n\n        throwError(errMsg);\n      }\n\n      if (incomparable && incomparable !== 'min' && incomparable !== 'max') {\n        var errMsg_1 = '';\n\n        if (process.env.NODE_ENV !== 'production') {\n          errMsg_1 = 'incomparable must be \"min\" or \"max\" rather than \"' + incomparable + '\".';\n        }\n\n        throwError(errMsg_1);\n      }\n\n      if (order !== 'asc' && order !== 'desc') {\n        var errMsg_2 = '';\n\n        if (process.env.NODE_ENV !== 'production') {\n          errMsg_2 = 'order must be \"asc\" or \"desc\" rather than \"' + order + '\".';\n        }\n\n        throwError(errMsg_2);\n      }\n\n      var dimInfo = upstream.getDimensionInfo(dimLoose);\n\n      if (!dimInfo) {\n        if (process.env.NODE_ENV !== 'production') {\n          errMsg = makePrintable('Can not find dimension info via: ' + dimLoose + '.\\n', 'Existing dimensions: ', upstream.cloneAllDimensionInfo(), '.\\n', 'Illegal config:', orderExpr, '.\\n');\n        }\n\n        throwError(errMsg);\n      }\n\n      var parser = parserName ? getRawValueParser(parserName) : null;\n\n      if (parserName && !parser) {\n        if (process.env.NODE_ENV !== 'production') {\n          errMsg = makePrintable('Invalid parser name ' + parserName + '.\\n', 'Illegal config:', orderExpr, '.\\n');\n        }\n\n        throwError(errMsg);\n      }\n\n      orderDefList.push({\n        dimIdx: dimInfo.index,\n        parser: parser,\n        comparator: new SortOrderComparator(order, incomparable)\n      });\n    }); // TODO: support it?\n\n    var sourceFormat = upstream.sourceFormat;\n\n    if (sourceFormat !== SOURCE_FORMAT_ARRAY_ROWS && sourceFormat !== SOURCE_FORMAT_OBJECT_ROWS) {\n      if (process.env.NODE_ENV !== 'production') {\n        errMsg = 'sourceFormat \"' + sourceFormat + '\" is not supported yet';\n      }\n\n      throwError(errMsg);\n    } // Other upstream format are all array.\n\n\n    var resultData = [];\n\n    for (var i = 0, len = upstream.count(); i < len; i++) {\n      resultData.push(upstream.getRawDataItem(i));\n    }\n\n    resultData.sort(function (item0, item1) {\n      for (var i = 0; i < orderDefList.length; i++) {\n        var orderDef = orderDefList[i];\n        var val0 = upstream.retrieveValueFromItem(item0, orderDef.dimIdx);\n        var val1 = upstream.retrieveValueFromItem(item1, orderDef.dimIdx);\n\n        if (orderDef.parser) {\n          val0 = orderDef.parser(val0);\n          val1 = orderDef.parser(val1);\n        }\n\n        var result = orderDef.comparator.evaluate(val0, val1);\n\n        if (result !== 0) {\n          return result;\n        }\n      }\n\n      return 0;\n    });\n    return {\n      data: resultData\n    };\n  }\n};","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { use } from './lib/extension';\nexport * from './lib/export/core'; // ----------------------------------------------\n// All of the modules that are allowed to be\n// imported are listed below.\n//\n// Users MUST NOT import other modules that are\n// not included in this list.\n// ----------------------------------------------\n\nimport { SVGRenderer, CanvasRenderer } from './lib/export/renderers';\nimport { LineChart, BarChart, PieChart, ScatterChart, RadarChart, MapChart, TreeChart, TreemapChart, GraphChart, GaugeChart, FunnelChart, ParallelChart, SankeyChart, BoxplotChart, CandlestickChart, EffectScatterChart, LinesChart, HeatmapChart, PictorialBarChart, ThemeRiverChart, SunburstChart, CustomChart } from './lib/export/charts';\nimport { GridComponent, PolarComponent, GeoComponent, SingleAxisComponent, ParallelComponent, CalendarComponent, GraphicComponent, ToolboxComponent, TooltipComponent, AxisPointerComponent, BrushComponent, TitleComponent, TimelineComponent, MarkPointComponent, MarkLineComponent, MarkAreaComponent, LegendComponent, DataZoomComponent, DataZoomInsideComponent, DataZoomSliderComponent, VisualMapComponent, VisualMapContinuousComponent, VisualMapPiecewiseComponent, AriaComponent, DatasetComponent, TransformComponent } from './lib/export/components'; // -----------------\n// Render engines\n// -----------------\n// Render via Canvas.\n// echarts.init(dom, null, { renderer: 'canvas' })\n\nuse([CanvasRenderer]); // Render via SVG.\n// echarts.init(dom, null, { renderer: 'svg' })\n\nuse([SVGRenderer]); // ----------------\n// Charts (series)\n// ----------------\n// All of the series types, for example:\n// chart.setOption({\n//     series: [{\n//         type: 'line' // or 'bar', 'pie', ...\n//     }]\n// });\n\nuse([LineChart, BarChart, PieChart, ScatterChart, RadarChart, MapChart, TreeChart, TreemapChart, GraphChart, GaugeChart, FunnelChart, ParallelChart, SankeyChart, BoxplotChart, CandlestickChart, EffectScatterChart, LinesChart, HeatmapChart, PictorialBarChart, ThemeRiverChart, SunburstChart, CustomChart]); // -------------------\n// Coordinate systems\n// -------------------\n// All of the axis modules have been included in the\n// coordinate system module below, do not need to\n// make extra import.\n// `cartesian` coordinate system. For some historical\n// reasons, it is named as grid, for example:\n// chart.setOption({\n//     grid: {...},\n//     xAxis: {...},\n//     yAxis: {...},\n//     series: [{...}]\n// });\n\nuse(GridComponent); // `polar` coordinate system, for example:\n// chart.setOption({\n//     polar: {...},\n//     radiusAxis: {...},\n//     angleAxis: {...},\n//     series: [{\n//         coordinateSystem: 'polar'\n//     }]\n// });\n\nuse(PolarComponent); // `geo` coordinate system, for example:\n// chart.setOption({\n//     geo: {...},\n//     series: [{\n//         coordinateSystem: 'geo'\n//     }]\n// });\n\nuse(GeoComponent); // `singleAxis` coordinate system (notice, it is a coordinate system\n// with only one axis, work for chart like theme river), for example:\n// chart.setOption({\n//     singleAxis: {...}\n//     series: [{type: 'themeRiver', ...}]\n// });\n\nuse(SingleAxisComponent); // `parallel` coordinate system, only work for parallel series, for example:\n// chart.setOption({\n//     parallel: {...},\n//     parallelAxis: [{...}, ...],\n//     series: [{\n//         type: 'parallel'\n//     }]\n// });\n\nuse(ParallelComponent); // `calendar` coordinate system. for example,\n// chart.setOptionp({\n//     calendar: {...},\n//     series: [{\n//         coordinateSystem: 'calendar'\n//     }]\n// );\n\nuse(CalendarComponent); // ------------------\n// Other components\n// ------------------\n// `graphic` component, for example:\n// chart.setOption({\n//     graphic: {...}\n// });\n\nuse(GraphicComponent); // `toolbox` component, for example:\n// chart.setOption({\n//     toolbox: {...}\n// });\n\nuse(ToolboxComponent); // `tooltip` component, for example:\n// chart.setOption({\n//     tooltip: {...}\n// });\n\nuse(TooltipComponent); // `axisPointer` component, for example:\n// chart.setOption({\n//     tooltip: {axisPointer: {...}, ...}\n// });\n// Or\n// chart.setOption({\n//     axisPointer: {...}\n// });\n\nuse(AxisPointerComponent); // `brush` component, for example:\n// chart.setOption({\n//     brush: {...}\n// });\n// Or\n// chart.setOption({\n//     tooltip: {feature: {brush: {...}}\n// })\n\nuse(BrushComponent); // `title` component, for example:\n// chart.setOption({\n//     title: {...}\n// });\n\nuse(TitleComponent); // `timeline` component, for example:\n// chart.setOption({\n//     timeline: {...}\n// });\n\nuse(TimelineComponent); // `markPoint` component, for example:\n// chart.setOption({\n//     series: [{markPoint: {...}}]\n// });\n\nuse(MarkPointComponent); // `markLine` component, for example:\n// chart.setOption({\n//     series: [{markLine: {...}}]\n// });\n\nuse(MarkLineComponent); // `markArea` component, for example:\n// chart.setOption({\n//     series: [{markArea: {...}}]\n// });\n\nuse(MarkAreaComponent); // `legend` component not scrollable. for example:\n// chart.setOption({\n//     legend: {...}\n// });\n\nuse(LegendComponent); // `dataZoom` component including both `dataZoomInside` and `dataZoomSlider`.\n\nuse(DataZoomComponent); // `dataZoom` component providing drag, pinch, wheel behaviors\n// inside coodinate system, for example:\n// chart.setOption({\n//     dataZoom: {type: 'inside'}\n// });\n\nuse(DataZoomInsideComponent); // `dataZoom` component providing a slider bar, for example:\n// chart.setOption({\n//     dataZoom: {type: 'slider'}\n// });\n\nuse(DataZoomSliderComponent); // `visualMap` component including both `visualMapContinuous` and `visualMapPiecewise`.\n\nuse(VisualMapComponent); // `visualMap` component providing continuous bar, for example:\n// chart.setOption({\n//     visualMap: {type: 'continuous'}\n// });\n\nuse(VisualMapContinuousComponent); // `visualMap` component providing pieces bar, for example:\n// chart.setOption({\n//     visualMap: {type: 'piecewise'}\n// });\n\nuse(VisualMapPiecewiseComponent); // `aria` component providing aria, for example:\n// chart.setOption({\n//     aria: {...}\n// });\n\nuse(AriaComponent); // dataset transform\n// chart.setOption({\n//     dataset: {\n//          transform: []\n//     }\n// });\n\nuse(TransformComponent);\nuse(DatasetComponent);","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport SVGPainter from 'zrender/lib/svg/Painter';\nexport function install(registers) {\n  registers.registerPainter('svg', SVGPainter);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport LineSeries from './LineSeries';\nimport LineView from './LineView'; // In case developer forget to include grid component\n\nimport layoutPoints from '../../layout/points';\nimport dataSample from '../../processor/dataSample';\nexport function install(registers) {\n  registers.registerChartView(LineView);\n  registers.registerSeriesModel(LineSeries);\n  registers.registerLayout(layoutPoints('line', true));\n  registers.registerVisual({\n    seriesType: 'line',\n    reset: function (seriesModel) {\n      var data = seriesModel.getData(); // Visual coding for legend\n\n      var lineStyle = seriesModel.getModel('lineStyle').getLineStyle();\n\n      if (lineStyle && !lineStyle.stroke) {\n        // Fill in visual should be palette color if\n        // has color callback\n        lineStyle.stroke = data.getVisual('style').fill;\n      }\n\n      data.setVisual('legendLineStyle', lineStyle);\n    }\n  }); // Down sample after filter\n\n  registers.registerProcessor(registers.PRIORITY.PROCESSOR.STATISTIC, dataSample('line'));\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { layout, largeLayout } from '../../layout/barGrid';\nimport dataSample from '../../processor/dataSample';\nimport BarSeries from './BarSeries';\nimport BarView from './BarView';\nexport function install(registers) {\n  registers.registerChartView(BarView);\n  registers.registerSeriesModel(BarSeries);\n  registers.registerLayout(registers.PRIORITY.VISUAL.LAYOUT, zrUtil.curry(layout, 'bar')); // Use higher prority to avoid to be blocked by other overall layout, which do not\n  // only exist in this module, but probably also exist in other modules, like `barPolar`.\n\n  registers.registerLayout(registers.PRIORITY.VISUAL.PROGRESSIVE_LAYOUT, largeLayout); // Down sample after filter\n\n  registers.registerProcessor(registers.PRIORITY.PROCESSOR.STATISTIC, dataSample('bar'));\n  /**\n   * @payload\n   * @property {string} [componentType=series]\n   * @property {number} [dx]\n   * @property {number} [dy]\n   * @property {number} [zoom]\n   * @property {number} [originX]\n   * @property {number} [originY]\n   */\n\n  registers.registerAction({\n    type: 'changeAxisOrder',\n    event: 'changeAxisOrder',\n    update: 'update'\n  }, function (payload, ecModel) {\n    var componentType = payload.componentType || 'series';\n    ecModel.eachComponent({\n      mainType: componentType,\n      query: payload\n    }, function (componentModel) {\n      if (payload.sortInfo) {\n        componentModel.axis.setCategorySortInfo(payload.sortInfo);\n      }\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { createLegacyDataSelectAction } from '../../legacy/dataSelectAction';\nimport pieLayout from '../pie/pieLayout';\nimport dataFilter from '../../processor/dataFilter';\nimport { curry } from 'zrender/lib/core/util';\nimport PieView from './PieView';\nimport PieSeriesModel from './PieSeries';\nexport function install(registers) {\n  registers.registerChartView(PieView);\n  registers.registerSeriesModel(PieSeriesModel);\n  createLegacyDataSelectAction('pie', registers.registerAction);\n  registers.registerLayout(curry(pieLayout, 'pie'));\n  registers.registerProcessor(dataFilter('pie'));\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { use } from '../../extension';\nimport ScatterSeriesModel from './ScatterSeries';\nimport ScatterView from './ScatterView';\nimport { install as installGridSimple } from '../../component/grid/installSimple';\nimport layoutPoints from '../../layout/points';\nexport function install(registers) {\n  // In case developer forget to include grid component\n  use(installGridSimple);\n  registers.registerSeriesModel(ScatterSeriesModel);\n  registers.registerChartView(ScatterView);\n  registers.registerLayout(layoutPoints('scatter'));\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { use } from '../../extension';\nimport radarLayout from '../radar/radarLayout';\nimport dataFilter from '../../processor/dataFilter';\nimport backwardCompat from '../radar/backwardCompat';\nimport RadarView from './RadarView';\nimport RadarSeriesModel from './RadarSeries';\nimport { install as installRadarComponent } from '../../component/radar/install';\nexport function install(registers) {\n  use(installRadarComponent);\n  registers.registerChartView(RadarView);\n  registers.registerSeriesModel(RadarSeriesModel);\n  registers.registerLayout(radarLayout);\n  registers.registerProcessor(dataFilter('radar'));\n  registers.registerPreprocessor(backwardCompat);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { use } from '../../extension';\nimport MapView from './MapView';\nimport MapSeries from './MapSeries';\nimport mapDataStatistic from './mapDataStatistic';\nimport mapSymbolLayout from './mapSymbolLayout';\nimport { createLegacyDataSelectAction } from '../../legacy/dataSelectAction';\nimport { install as installGeo } from '../../component/geo/install';\nexport function install(registers) {\n  use(installGeo);\n  registers.registerChartView(MapView);\n  registers.registerSeriesModel(MapSeries);\n  registers.registerLayout(mapSymbolLayout);\n  registers.registerProcessor(registers.PRIORITY.PROCESSOR.STATISTIC, mapDataStatistic);\n  createLegacyDataSelectAction('map', registers.registerAction);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport TreeView from './TreeView';\nimport TreeSeriesModel from './TreeSeries';\nimport treeLayout from './treeLayout';\nimport treeVisual from './treeVisual';\nimport { installTreeAction } from './treeAction';\nexport function install(registers) {\n  registers.registerChartView(TreeView);\n  registers.registerSeriesModel(TreeSeriesModel);\n  registers.registerLayout(treeLayout);\n  registers.registerVisual(treeVisual);\n  installTreeAction(registers);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { updateCenterAndZoom } from '../../action/roamHelper';\nexport function installTreeAction(registers) {\n  registers.registerAction({\n    type: 'treeExpandAndCollapse',\n    event: 'treeExpandAndCollapse',\n    update: 'update'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'series',\n      subType: 'tree',\n      query: payload\n    }, function (seriesModel) {\n      var dataIndex = payload.dataIndex;\n      var tree = seriesModel.getData().tree;\n      var node = tree.getNodeByDataIndex(dataIndex);\n      node.isExpand = !node.isExpand;\n    });\n  });\n  registers.registerAction({\n    type: 'treeRoam',\n    event: 'treeRoam',\n    // Here we set 'none' instead of 'update', because roam action\n    // just need to update the transform matrix without having to recalculate\n    // the layout. So don't need to go through the whole update process, such\n    // as 'dataPrcocess', 'coordSystemUpdate', 'layout' and so on.\n    update: 'none'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'series',\n      subType: 'tree',\n      query: payload\n    }, function (seriesModel) {\n      var coordSys = seriesModel.coordinateSystem;\n      var res = updateCenterAndZoom(coordSys, payload);\n      seriesModel.setCenter && seriesModel.setCenter(res.center);\n      seriesModel.setZoom && seriesModel.setZoom(res.zoom);\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { installTreemapAction } from './treemapAction';\nimport TreemapSeriesModel from './TreemapSeries';\nimport TreemapView from './TreemapView';\nimport treemapVisual from './treemapVisual';\nimport treemapLayout from './treemapLayout';\nexport function install(registers) {\n  registers.registerSeriesModel(TreemapSeriesModel);\n  registers.registerChartView(TreemapView);\n  registers.registerVisual(treemapVisual);\n  registers.registerLayout(treemapLayout);\n  installTreemapAction(registers);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport GaugeView from './GaugeView';\nimport GaugeSeriesModel from './GaugeSeries';\nexport function install(registers) {\n  registers.registerChartView(GaugeView);\n  registers.registerSeriesModel(GaugeSeriesModel);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport FunnelView from './FunnelView';\nimport FunnelSeriesModel from './FunnelSeries';\nimport funnelLayout from './funnelLayout';\nimport dataFilter from '../../processor/dataFilter';\nexport function install(registers) {\n  registers.registerChartView(FunnelView);\n  registers.registerSeriesModel(FunnelSeriesModel);\n  registers.registerLayout(funnelLayout);\n  registers.registerProcessor(dataFilter('funnel'));\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { use } from '../../extension';\nimport ParallelView from './ParallelView';\nimport ParallelSeriesModel from './ParallelSeries';\nimport parallelVisual from './parallelVisual';\nimport { install as installParallelComponent } from '../../component/parallel/install';\nexport function install(registers) {\n  use(installParallelComponent);\n  registers.registerChartView(ParallelView);\n  registers.registerSeriesModel(ParallelSeriesModel);\n  registers.registerVisual(registers.PRIORITY.VISUAL.BRUSH, parallelVisual);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport SankeyView from './SankeyView';\nimport SankeySeriesModel from './SankeySeries';\nimport sankeyLayout from './sankeyLayout';\nimport sankeyVisual from './sankeyVisual';\nexport function install(registers) {\n  registers.registerChartView(SankeyView);\n  registers.registerSeriesModel(SankeySeriesModel);\n  registers.registerLayout(sankeyLayout);\n  registers.registerVisual(sankeyVisual);\n  registers.registerAction({\n    type: 'dragNode',\n    event: 'dragnode',\n    // here can only use 'update' now, other value is not support in echarts.\n    update: 'update'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'series',\n      subType: 'sankey',\n      query: payload\n    }, function (seriesModel) {\n      seriesModel.setNodePosition(payload.dataIndex, [payload.localX, payload.localY]);\n    });\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport BoxplotSeriesModel from './BoxplotSeries';\nimport BoxplotView from './BoxplotView';\nimport boxplotVisual from './boxplotVisual';\nimport boxplotLayout from './boxplotLayout';\nimport { boxplotTransform } from './boxplotTransform';\nexport function install(registers) {\n  registers.registerSeriesModel(BoxplotSeriesModel);\n  registers.registerChartView(BoxplotView);\n  registers.registerVisual(boxplotVisual);\n  registers.registerLayout(boxplotLayout);\n  registers.registerTransform(boxplotTransform);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport CandlestickView from './CandlestickView';\nimport CandlestickSeriesModel from './CandlestickSeries';\nimport preprocessor from './preprocessor';\nimport candlestickVisual from './candlestickVisual';\nimport candlestickLayout from './candlestickLayout';\nexport function install(registers) {\n  registers.registerChartView(CandlestickView);\n  registers.registerSeriesModel(CandlestickSeriesModel);\n  registers.registerPreprocessor(preprocessor);\n  registers.registerVisual(candlestickVisual);\n  registers.registerLayout(candlestickLayout);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport EffectScatterView from './EffectScatterView';\nimport EffectScatterSeriesModel from './EffectScatterSeries';\nimport layoutPoints from '../../layout/points';\nexport function install(registers) {\n  registers.registerChartView(EffectScatterView);\n  registers.registerSeriesModel(EffectScatterSeriesModel);\n  registers.registerLayout(layoutPoints('effectScatter'));\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport LinesView from './LinesView';\nimport LinesSeriesModel from './LinesSeries';\nimport linesLayout from './linesLayout';\nimport linesVisual from './linesVisual';\nexport function install(registers) {\n  registers.registerChartView(LinesView);\n  registers.registerSeriesModel(LinesSeriesModel);\n  registers.registerLayout(linesLayout);\n  registers.registerVisual(linesVisual);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport HeatmapView from './HeatmapView';\nimport HeatmapSeriesModel from './HeatmapSeries';\nexport function install(registers) {\n  registers.registerChartView(HeatmapView);\n  registers.registerSeriesModel(HeatmapSeriesModel);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport PictorialBarView from './PictorialBarView';\nimport PictorialBarSeriesModel from './PictorialBarSeries';\nimport { layout } from '../../layout/barGrid';\nimport { curry } from 'zrender/lib/core/util';\nexport function install(registers) {\n  registers.registerChartView(PictorialBarView);\n  registers.registerSeriesModel(PictorialBarSeriesModel);\n  registers.registerLayout(curry(layout, 'pictorialBar'));\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\nimport ThemeRiverView from './ThemeRiverView';\nimport ThemeRiverSeriesModel from './ThemeRiverSeries';\nimport themeRiverLayout from './themeRiverLayout';\nimport dataFilter from '../../processor/dataFilter';\nexport function install(registers) {\n  registers.registerChartView(ThemeRiverView);\n  registers.registerSeriesModel(ThemeRiverSeriesModel);\n  registers.registerLayout(themeRiverLayout);\n  registers.registerProcessor(dataFilter('themeRiver'));\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport SunburstView from './SunburstView';\nimport SunburstSeriesModel from './SunburstSeries';\nimport sunburstLayout from './sunburstLayout';\nimport sunburstVisual from './sunburstVisual';\nimport dataFilter from '../../processor/dataFilter';\nimport { curry } from 'zrender/lib/core/util';\nimport { installSunburstAction } from './sunburstAction';\nexport function install(registers) {\n  registers.registerChartView(SunburstView);\n  registers.registerSeriesModel(SunburstSeriesModel);\n  registers.registerLayout(curry(sunburstLayout, 'sunburst'));\n  registers.registerProcessor(curry(dataFilter, 'sunburst'));\n  registers.registerVisual(sunburstVisual);\n  installSunburstAction(registers);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { install as installSimple } from './installSimple';\nimport { install as installAxisPointer } from '../axisPointer/install';\nimport { use } from '../../extension';\nexport function install(registers) {\n  use(installSimple);\n  use(installAxisPointer);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport CalendarModel from '../../coord/calendar/CalendarModel';\nimport CalendarView from './CalendarView';\nimport Calendar from '../../coord/calendar/Calendar';\nexport function install(registers) {\n  registers.registerComponentModel(CalendarModel);\n  registers.registerComponentView(CalendarView);\n  registers.registerCoordinateSystem('calendar', Calendar);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { use } from '../../extension';\nimport { install as installDataZoomSelect } from '../../component/dataZoom/installDataZoomSelect';\nimport ToolboxModel from './ToolboxModel';\nimport ToolboxView from './ToolboxView'; // TODOD: REGISTER IN INSTALL\n\nimport { registerFeature } from './featureManager';\nimport SaveAsImage from './feature/SaveAsImage';\nimport MagicType from './feature/MagicType';\nimport DataView from './feature/DataView';\nimport Restore from './feature/Restore';\nimport DataZoom from './feature/DataZoom';\nexport function install(registers) {\n  registers.registerComponentModel(ToolboxModel);\n  registers.registerComponentView(ToolboxView);\n  registerFeature('saveAsImage', SaveAsImage);\n  registerFeature('magicType', MagicType);\n  registerFeature('dataView', DataView);\n  registerFeature('dataZoom', DataZoom);\n  registerFeature('restore', Restore);\n  use(installDataZoomSelect);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { install as installAxisPointer } from '../axisPointer/install';\nimport { use } from '../../extension';\nimport TooltipModel from './TooltipModel';\nimport TooltipView from './TooltipView';\nexport function install(registers) {\n  use(installAxisPointer);\n  registers.registerComponentModel(TooltipModel);\n  registers.registerComponentView(TooltipView);\n  /**\n   * @action\n   * @property {string} type\n   * @property {number} seriesIndex\n   * @property {number} dataIndex\n   * @property {number} [x]\n   * @property {number} [y]\n   */\n\n  registers.registerAction({\n    type: 'showTip',\n    event: 'showTip',\n    update: 'tooltip:manuallyShowTip'\n  }, // noop\n  function () {});\n  registers.registerAction({\n    type: 'hideTip',\n    event: 'hideTip',\n    update: 'tooltip:manuallyHideTip'\n  }, // noop\n  function () {});\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport brushPreprocessor from './preprocessor';\nimport BrushView from './BrushView';\nimport BrushModel from './BrushModel';\nimport brushVisual from './visualEncoding'; // TODO\n\nimport BrushFeature from '../toolbox/feature/Brush';\nimport { registerFeature } from '../toolbox/featureManager';\nexport function install(registers) {\n  registers.registerComponentView(BrushView);\n  registers.registerComponentModel(BrushModel);\n  registers.registerPreprocessor(brushPreprocessor);\n  registers.registerVisual(registers.PRIORITY.VISUAL.BRUSH, brushVisual);\n  registers.registerAction({\n    type: 'brush',\n    event: 'brush',\n    update: 'updateVisual'\n  }, function (payload, ecModel) {\n    ecModel.eachComponent({\n      mainType: 'brush',\n      query: payload\n    }, function (brushModel) {\n      brushModel.setAreas(payload.areas);\n    });\n  });\n  /**\n   * payload: {\n   *      brushComponents: [\n   *          {\n   *              brushId,\n   *              brushIndex,\n   *              brushName,\n   *              series: [\n   *                  {\n   *                      seriesId,\n   *                      seriesIndex,\n   *                      seriesName,\n   *                      rawIndices: [21, 34, ...]\n   *                  },\n   *                  ...\n   *              ]\n   *          },\n   *          ...\n   *      ]\n   * }\n   */\n\n  registers.registerAction({\n    type: 'brushSelect',\n    event: 'brushSelected',\n    update: 'none'\n  }, function () {});\n  registers.registerAction({\n    type: 'brushEnd',\n    event: 'brushEnd',\n    update: 'none'\n  }, function () {});\n  registerFeature('brush', BrushFeature);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\nimport SliderTimelineModel from './SliderTimelineModel';\nimport SliderTimelineView from './SliderTimelineView';\nimport { installTimelineAction } from './timelineAction';\nimport preprocessor from './preprocessor';\nexport function install(registers) {\n  registers.registerComponentModel(SliderTimelineModel);\n  registers.registerComponentView(SliderTimelineView);\n  registers.registerSubTypeDefaulter('timeline', function () {\n    // Only slider now.\n    return 'slider';\n  });\n  installTimelineAction(registers);\n  registers.registerPreprocessor(preprocessor);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { defaults } from 'zrender/lib/core/util';\nexport function installTimelineAction(registers) {\n  registers.registerAction({\n    type: 'timelineChange',\n    event: 'timelineChanged',\n    update: 'prepareAndUpdate'\n  }, function (payload, ecModel) {\n    var timelineModel = ecModel.getComponent('timeline');\n\n    if (timelineModel && payload.currentIndex != null) {\n      timelineModel.setCurrentIndex(payload.currentIndex);\n\n      if (!timelineModel.get('loop', true) && timelineModel.isIndexMax()) {\n        timelineModel.setPlayState(false);\n      }\n    } // Set normalized currentIndex to payload.\n\n\n    ecModel.resetOption('timeline', {\n      replaceMerge: timelineModel.get('replaceMerge', true)\n    });\n    return defaults({\n      currentIndex: timelineModel.option.currentIndex\n    }, payload);\n  });\n  registers.registerAction({\n    type: 'timelinePlayChange',\n    event: 'timelinePlayChanged',\n    update: 'update'\n  }, function (payload, ecModel) {\n    var timelineModel = ecModel.getComponent('timeline');\n\n    if (timelineModel && payload.playState != null) {\n      timelineModel.setPlayState(payload.playState);\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\nimport checkMarkerInSeries from './checkMarkerInSeries';\nimport MarkPointModel from './MarkPointModel';\nimport MarkPointView from './MarkPointView';\nexport function install(registers) {\n  registers.registerComponentModel(MarkPointModel);\n  registers.registerComponentView(MarkPointView);\n  registers.registerPreprocessor(function (opt) {\n    if (checkMarkerInSeries(opt.series, 'markPoint')) {\n      // Make sure markPoint component is enabled\n      opt.markPoint = opt.markPoint || {};\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\nimport checkMarkerInSeries from './checkMarkerInSeries';\nimport MarkLineModel from './MarkLineModel';\nimport MarkLineView from './MarkLineView';\nexport function install(registers) {\n  registers.registerComponentModel(MarkLineModel);\n  registers.registerComponentView(MarkLineView);\n  registers.registerPreprocessor(function (opt) {\n    if (checkMarkerInSeries(opt.series, 'markLine')) {\n      // Make sure markLine component is enabled\n      opt.markLine = opt.markLine || {};\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport checkMarkerInSeries from './checkMarkerInSeries';\nimport MarkAreaModel from './MarkAreaModel';\nimport MarkAreaView from './MarkAreaView';\nexport function install(registers) {\n  registers.registerComponentModel(MarkAreaModel);\n  registers.registerComponentView(MarkAreaView);\n  registers.registerPreprocessor(function (opt) {\n    if (checkMarkerInSeries(opt.series, 'markArea')) {\n      // Make sure markArea component is enabled\n      opt.markArea = opt.markArea || {};\n    }\n  });\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { use } from '../../extension';\nimport { install as installLegendPlain } from './installLegendPlain';\nimport { install as installLegendScroll } from './installLegendScroll';\nexport function install(registers) {\n  use(installLegendPlain);\n  use(installLegendScroll);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { use } from '../../extension';\nimport { install as installDataZoomInside } from './installDataZoomInside';\nimport { install as installDataZoomSlider } from './installDataZoomSlider';\nexport function install(registers) {\n  use(installDataZoomInside);\n  use(installDataZoomSlider); // Do not install './dataZoomSelect',\n  // since it only work for toolbox dataZoom.\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { use } from '../../extension';\nimport { install as installVisualMapContinuous } from './installVisualMapContinuous';\nimport { install as installVisualMapPiecewise } from './installVisualMapPiecewise';\nexport function install(registers) {\n  use(installVisualMapContinuous);\n  use(installVisualMapPiecewise); // Do not install './dataZoomSelect',\n  // since it only work for toolbox dataZoom.\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport ariaVisual from '../../visual/aria';\nimport ariaPreprocessor from './preprocessor';\nexport function install(registers) {\n  registers.registerPreprocessor(ariaPreprocessor);\n  registers.registerVisual(registers.PRIORITY.VISUAL.ARIA, ariaVisual);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { filterTransform } from './filterTransform';\nimport { sortTransform } from './sortTransform';\nexport function install(registers) {\n  registers.registerTransform(filterTransform);\n  registers.registerTransform(sortTransform);\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Link lists and struct (graph or tree)\n */\nimport { curry, each, assert, extend, map, keys } from 'zrender/lib/core/util';\nimport { makeInner } from '../../util/model';\nvar inner = makeInner();\n\nfunction linkList(opt) {\n  var mainData = opt.mainData;\n  var datas = opt.datas;\n\n  if (!datas) {\n    datas = {\n      main: mainData\n    };\n    opt.datasAttr = {\n      main: 'data'\n    };\n  }\n\n  opt.datas = opt.mainData = null;\n  linkAll(mainData, datas, opt); // Porxy data original methods.\n\n  each(datas, function (data) {\n    each(mainData.TRANSFERABLE_METHODS, function (methodName) {\n      data.wrapMethod(methodName, curry(transferInjection, opt));\n    });\n  }); // Beyond transfer, additional features should be added to `cloneShallow`.\n\n  mainData.wrapMethod('cloneShallow', curry(cloneShallowInjection, opt)); // Only mainData trigger change, because struct.update may trigger\n  // another changable methods, which may bring about dead lock.\n\n  each(mainData.CHANGABLE_METHODS, function (methodName) {\n    mainData.wrapMethod(methodName, curry(changeInjection, opt));\n  }); // Make sure datas contains mainData.\n\n  assert(datas[mainData.dataType] === mainData);\n}\n\nfunction transferInjection(opt, res) {\n  if (isMainData(this)) {\n    // Transfer datas to new main data.\n    var datas = extend({}, inner(this).datas);\n    datas[this.dataType] = res;\n    linkAll(res, datas, opt);\n  } else {\n    // Modify the reference in main data to point newData.\n    linkSingle(res, this.dataType, inner(this).mainData, opt);\n  }\n\n  return res;\n}\n\nfunction changeInjection(opt, res) {\n  opt.struct && opt.struct.update();\n  return res;\n}\n\nfunction cloneShallowInjection(opt, res) {\n  // cloneShallow, which brings about some fragilities, may be inappropriate\n  // to be exposed as an API. So for implementation simplicity we can make\n  // the restriction that cloneShallow of not-mainData should not be invoked\n  // outside, but only be invoked here.\n  each(inner(res).datas, function (data, dataType) {\n    data !== res && linkSingle(data.cloneShallow(), dataType, res, opt);\n  });\n  return res;\n}\n/**\n * Supplement method to List.\n *\n * @public\n * @param [dataType] If not specified, return mainData.\n */\n\n\nfunction getLinkedData(dataType) {\n  var mainData = inner(this).mainData;\n  return dataType == null || mainData == null ? mainData : inner(mainData).datas[dataType];\n}\n/**\n * Get list of all linked data\n */\n\n\nfunction getLinkedDataAll() {\n  var mainData = inner(this).mainData;\n  return mainData == null ? [{\n    data: mainData\n  }] : map(keys(inner(mainData).datas), function (type) {\n    return {\n      type: type,\n      data: inner(mainData).datas[type]\n    };\n  });\n}\n\nfunction isMainData(data) {\n  return inner(data).mainData === data;\n}\n\nfunction linkAll(mainData, datas, opt) {\n  inner(mainData).datas = {};\n  each(datas, function (data, dataType) {\n    linkSingle(data, dataType, mainData, opt);\n  });\n}\n\nfunction linkSingle(data, dataType, mainData, opt) {\n  inner(mainData).datas[dataType] = data;\n  inner(data).mainData = mainData;\n  data.dataType = dataType;\n\n  if (opt.struct) {\n    data[opt.structAttr] = opt.struct;\n    opt.struct[opt.datasAttr[dataType]] = data;\n  } // Supplement method.\n\n\n  data.getLinkedData = getLinkedData;\n  data.getLinkedDataAll = getLinkedDataAll;\n}\n\nexport default linkList;","import { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { Observable } from '../Observable';\nimport { Subscription } from '../Subscription';\nimport { MonoTypeOperatorFunction, SubscribableOrPromise, TeardownLogic } from '../types';\n\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\n\n/**\n * Ignores source values for a duration determined by another Observable, then\n * emits the most recent value from the source Observable, then repeats this\n * process.\n *\n * <span class=\"informal\">It's like {@link auditTime}, but the silencing\n * duration is determined by a second Observable.</span>\n *\n * ![](audit.png)\n *\n * `audit` is similar to `throttle`, but emits the last value from the silenced\n * time window, instead of the first value. `audit` emits the most recent value\n * from the source Observable on the output Observable as soon as its internal\n * timer becomes disabled, and ignores source values while the timer is enabled.\n * Initially, the timer is disabled. As soon as the first source value arrives,\n * the timer is enabled by calling the `durationSelector` function with the\n * source value, which returns the \"duration\" Observable. When the duration\n * Observable emits a value or completes, the timer is disabled, then the most\n * recent source value is emitted on the output Observable, and this process\n * repeats for the next source value.\n *\n * ## Example\n *\n * Emit clicks at a rate of at most one click per second\n * ```ts\n * import { fromEvent, interval } from 'rxjs';\n * import { audit } from 'rxjs/operators'\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(audit(ev => interval(1000)));\n * result.subscribe(x => console.log(x));\n * ```\n * @see {@link auditTime}\n * @see {@link debounce}\n * @see {@link delayWhen}\n * @see {@link sample}\n * @see {@link throttle}\n *\n * @param {function(value: T): SubscribableOrPromise} durationSelector A function\n * that receives a value from the source Observable, for computing the silencing\n * duration, returned as an Observable or a Promise.\n * @return {Observable<T>} An Observable that performs rate-limiting of\n * emissions from the source Observable.\n * @method audit\n * @owner Observable\n */\nexport function audit<T>(durationSelector: (value: T) => SubscribableOrPromise<any>): MonoTypeOperatorFunction<T> {\n  return function auditOperatorFunction(source: Observable<T>) {\n    return source.lift(new AuditOperator(durationSelector));\n  };\n}\n\nclass AuditOperator<T> implements Operator<T, T> {\n  constructor(private durationSelector: (value: T) => SubscribableOrPromise<any>) {\n  }\n\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    return source.subscribe(new AuditSubscriber<T, T>(subscriber, this.durationSelector));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass AuditSubscriber<T, R> extends OuterSubscriber<T, R> {\n\n  private value: T;\n  private hasValue: boolean = false;\n  private throttled: Subscription;\n\n  constructor(destination: Subscriber<T>,\n              private durationSelector: (value: T) => SubscribableOrPromise<any>) {\n    super(destination);\n  }\n\n  protected _next(value: T): void {\n    this.value = value;\n    this.hasValue = true;\n    if (!this.throttled) {\n      let duration;\n      try {\n        const { durationSelector } = this;\n        duration = durationSelector(value);\n      } catch (err) {\n        return this.destination.error(err);\n      }\n      const innerSubscription = subscribeToResult(this, duration);\n      if (!innerSubscription || innerSubscription.closed) {\n        this.clearThrottle();\n      } else {\n        this.add(this.throttled = innerSubscription);\n      }\n    }\n  }\n\n  clearThrottle() {\n    const { value, hasValue, throttled } = this;\n    if (throttled) {\n      this.remove(throttled);\n      this.throttled = null;\n      throttled.unsubscribe();\n    }\n    if (hasValue) {\n      this.value = null;\n      this.hasValue = false;\n      this.destination.next(value);\n    }\n  }\n\n  notifyNext(outerValue: T, innerValue: R, outerIndex: number, innerIndex: number): void {\n    this.clearThrottle();\n  }\n\n  notifyComplete(): void {\n    this.clearThrottle();\n  }\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {Version} from '@angular/core';\n\n/** Current version of the Angular Component Development Kit. */\nexport const VERSION = new Version('9.0.0');\n","import { Version, InjectionToken, isDevMode, NgModule, Optional, Inject, inject, LOCALE_ID, Injectable, ɵɵdefineInjectable, Directive, ElementRef, NgZone, Input, Component, ViewEncapsulation, ChangeDetectionStrategy, EventEmitter, ChangeDetectorRef, Output } from '@angular/core';\nimport { HighContrastModeDetector, isFakeMousedownFromScreenReader } from '@angular/cdk/a11y';\nimport { BidiModule } from '@angular/cdk/bidi';\nimport { VERSION as VERSION$2 } from '@angular/cdk';\nimport { __extends, __spread, __assign } from 'tslib';\nimport { coerceBooleanProperty, coerceElement } from '@angular/cdk/coercion';\nimport { Subject, Observable } from 'rxjs';\nimport { Platform, PlatformModule, normalizePassiveListenerOptions } from '@angular/cdk/platform';\nimport { HammerGestureConfig } from '@angular/platform-browser';\nimport { startWith } from 'rxjs/operators';\nimport { CommonModule } from '@angular/common';\nimport { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';\nimport { ENTER, SPACE, hasModifierKey } from '@angular/cdk/keycodes';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Current version of Angular Material. */\nvar VERSION = new Version('9.0.0');\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** @docs-private */\nvar AnimationCurves = /** @class */ (function () {\n    function AnimationCurves() {\n    }\n    AnimationCurves.STANDARD_CURVE = 'cubic-bezier(0.4,0.0,0.2,1)';\n    AnimationCurves.DECELERATION_CURVE = 'cubic-bezier(0.0,0.0,0.2,1)';\n    AnimationCurves.ACCELERATION_CURVE = 'cubic-bezier(0.4,0.0,1,1)';\n    AnimationCurves.SHARP_CURVE = 'cubic-bezier(0.4,0.0,0.6,1)';\n    return AnimationCurves;\n}());\n/** @docs-private */\nvar AnimationDurations = /** @class */ (function () {\n    function AnimationDurations() {\n    }\n    AnimationDurations.COMPLEX = '375ms';\n    AnimationDurations.ENTERING = '225ms';\n    AnimationDurations.EXITING = '195ms';\n    return AnimationDurations;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Private version constant to circumvent test/build issues,\n// i.e. avoid core to depend on the @angular/material primary entry-point\n// Can be removed once the Material primary entry-point no longer\n// re-exports all secondary entry-points\nvar VERSION$1 = new Version('9.0.0');\n/** @docs-private */\nfunction MATERIAL_SANITY_CHECKS_FACTORY() {\n    return true;\n}\n/** Injection token that configures whether the Material sanity checks are enabled. */\nvar MATERIAL_SANITY_CHECKS = new InjectionToken('mat-sanity-checks', {\n    providedIn: 'root',\n    factory: MATERIAL_SANITY_CHECKS_FACTORY,\n});\n/**\n * Module that captures anything that should be loaded and/or run for *all* Angular Material\n * components. This includes Bidi, etc.\n *\n * This module should be imported to each top-level component module (e.g., MatTabsModule).\n */\nvar MatCommonModule = /** @class */ (function () {\n    function MatCommonModule(highContrastModeDetector, sanityChecks) {\n        /** Whether we've done the global sanity checks (e.g. a theme is loaded, there is a doctype). */\n        this._hasDoneGlobalChecks = false;\n        /** Reference to the global `document` object. */\n        this._document = typeof document === 'object' && document ? document : null;\n        /** Reference to the global 'window' object. */\n        this._window = typeof window === 'object' && window ? window : null;\n        // While A11yModule also does this, we repeat it here to avoid importing A11yModule\n        // in MatCommonModule.\n        highContrastModeDetector._applyBodyHighContrastModeCssClasses();\n        // Note that `_sanityChecks` is typed to `any`, because AoT\n        // throws an error if we use the `SanityChecks` type directly.\n        this._sanityChecks = sanityChecks;\n        if (!this._hasDoneGlobalChecks) {\n            this._checkDoctypeIsDefined();\n            this._checkThemeIsPresent();\n            this._checkCdkVersionMatch();\n            this._hasDoneGlobalChecks = true;\n        }\n    }\n    /** Whether any sanity checks are enabled. */\n    MatCommonModule.prototype._checksAreEnabled = function () {\n        return isDevMode() && !this._isTestEnv();\n    };\n    /** Whether the code is running in tests. */\n    MatCommonModule.prototype._isTestEnv = function () {\n        var window = this._window;\n        return window && (window.__karma__ || window.jasmine);\n    };\n    MatCommonModule.prototype._checkDoctypeIsDefined = function () {\n        var isEnabled = this._checksAreEnabled() &&\n            (this._sanityChecks === true || this._sanityChecks.doctype);\n        if (isEnabled && this._document && !this._document.doctype) {\n            console.warn('Current document does not have a doctype. This may cause ' +\n                'some Angular Material components not to behave as expected.');\n        }\n    };\n    MatCommonModule.prototype._checkThemeIsPresent = function () {\n        // We need to assert that the `body` is defined, because these checks run very early\n        // and the `body` won't be defined if the consumer put their scripts in the `head`.\n        var isDisabled = !this._checksAreEnabled() ||\n            (this._sanityChecks === false || !this._sanityChecks.theme);\n        if (isDisabled || !this._document || !this._document.body ||\n            typeof getComputedStyle !== 'function') {\n            return;\n        }\n        var testElement = this._document.createElement('div');\n        testElement.classList.add('mat-theme-loaded-marker');\n        this._document.body.appendChild(testElement);\n        var computedStyle = getComputedStyle(testElement);\n        // In some situations the computed style of the test element can be null. For example in\n        // Firefox, the computed style is null if an application is running inside of a hidden iframe.\n        // See: https://bugzilla.mozilla.org/show_bug.cgi?id=548397\n        if (computedStyle && computedStyle.display !== 'none') {\n            console.warn('Could not find Angular Material core theme. Most Material ' +\n                'components may not work as expected. For more info refer ' +\n                'to the theming guide: https://material.angular.io/guide/theming');\n        }\n        this._document.body.removeChild(testElement);\n    };\n    /** Checks whether the material version matches the cdk version */\n    MatCommonModule.prototype._checkCdkVersionMatch = function () {\n        var isEnabled = this._checksAreEnabled() &&\n            (this._sanityChecks === true || this._sanityChecks.version);\n        if (isEnabled && VERSION$1.full !== VERSION$2.full) {\n            console.warn('The Angular Material version (' + VERSION$1.full + ') does not match ' +\n                'the Angular CDK version (' + VERSION$2.full + ').\\n' +\n                'Please ensure the versions of these two packages exactly match.');\n        }\n    };\n    MatCommonModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [BidiModule],\n                    exports: [BidiModule],\n                },] }\n    ];\n    /** @nocollapse */\n    MatCommonModule.ctorParameters = function () { return [\n        { type: HighContrastModeDetector },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MATERIAL_SANITY_CHECKS,] }] }\n    ]; };\n    return MatCommonModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Mixin to augment a directive with a `disabled` property. */\nfunction mixinDisabled(base) {\n    return /** @class */ (function (_super) {\n        __extends(class_1, _super);\n        function class_1() {\n            var args = [];\n            for (var _i = 0; _i < arguments.length; _i++) {\n                args[_i] = arguments[_i];\n            }\n            var _this = _super.apply(this, __spread(args)) || this;\n            _this._disabled = false;\n            return _this;\n        }\n        Object.defineProperty(class_1.prototype, \"disabled\", {\n            get: function () { return this._disabled; },\n            set: function (value) { this._disabled = coerceBooleanProperty(value); },\n            enumerable: true,\n            configurable: true\n        });\n        return class_1;\n    }(base));\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Mixin to augment a directive with a `color` property. */\nfunction mixinColor(base, defaultColor) {\n    return /** @class */ (function (_super) {\n        __extends(class_1, _super);\n        function class_1() {\n            var args = [];\n            for (var _i = 0; _i < arguments.length; _i++) {\n                args[_i] = arguments[_i];\n            }\n            var _this = _super.apply(this, __spread(args)) || this;\n            // Set the default color that can be specified from the mixin.\n            _this.color = defaultColor;\n            return _this;\n        }\n        Object.defineProperty(class_1.prototype, \"color\", {\n            get: function () { return this._color; },\n            set: function (value) {\n                var colorPalette = value || defaultColor;\n                if (colorPalette !== this._color) {\n                    if (this._color) {\n                        this._elementRef.nativeElement.classList.remove(\"mat-\" + this._color);\n                    }\n                    if (colorPalette) {\n                        this._elementRef.nativeElement.classList.add(\"mat-\" + colorPalette);\n                    }\n                    this._color = colorPalette;\n                }\n            },\n            enumerable: true,\n            configurable: true\n        });\n        return class_1;\n    }(base));\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Mixin to augment a directive with a `disableRipple` property. */\nfunction mixinDisableRipple(base) {\n    return /** @class */ (function (_super) {\n        __extends(class_1, _super);\n        function class_1() {\n            var args = [];\n            for (var _i = 0; _i < arguments.length; _i++) {\n                args[_i] = arguments[_i];\n            }\n            var _this = _super.apply(this, __spread(args)) || this;\n            _this._disableRipple = false;\n            return _this;\n        }\n        Object.defineProperty(class_1.prototype, \"disableRipple\", {\n            /** Whether the ripple effect is disabled or not. */\n            get: function () { return this._disableRipple; },\n            set: function (value) { this._disableRipple = coerceBooleanProperty(value); },\n            enumerable: true,\n            configurable: true\n        });\n        return class_1;\n    }(base));\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Mixin to augment a directive with a `tabIndex` property. */\nfunction mixinTabIndex(base, defaultTabIndex) {\n    if (defaultTabIndex === void 0) { defaultTabIndex = 0; }\n    return /** @class */ (function (_super) {\n        __extends(class_1, _super);\n        function class_1() {\n            var args = [];\n            for (var _i = 0; _i < arguments.length; _i++) {\n                args[_i] = arguments[_i];\n            }\n            var _this = _super.apply(this, __spread(args)) || this;\n            _this._tabIndex = defaultTabIndex;\n            return _this;\n        }\n        Object.defineProperty(class_1.prototype, \"tabIndex\", {\n            get: function () { return this.disabled ? -1 : this._tabIndex; },\n            set: function (value) {\n                // If the specified tabIndex value is null or undefined, fall back to the default value.\n                this._tabIndex = value != null ? value : defaultTabIndex;\n            },\n            enumerable: true,\n            configurable: true\n        });\n        return class_1;\n    }(base));\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Mixin to augment a directive with updateErrorState method.\n * For component with `errorState` and need to update `errorState`.\n */\nfunction mixinErrorState(base) {\n    return /** @class */ (function (_super) {\n        __extends(class_1, _super);\n        function class_1() {\n            var args = [];\n            for (var _i = 0; _i < arguments.length; _i++) {\n                args[_i] = arguments[_i];\n            }\n            var _this = _super.apply(this, __spread(args)) || this;\n            /** Whether the component is in an error state. */\n            _this.errorState = false;\n            /**\n             * Stream that emits whenever the state of the input changes such that the wrapping\n             * `MatFormField` needs to run change detection.\n             */\n            _this.stateChanges = new Subject();\n            return _this;\n        }\n        class_1.prototype.updateErrorState = function () {\n            var oldState = this.errorState;\n            var parent = this._parentFormGroup || this._parentForm;\n            var matcher = this.errorStateMatcher || this._defaultErrorStateMatcher;\n            var control = this.ngControl ? this.ngControl.control : null;\n            var newState = matcher.isErrorState(control, parent);\n            if (newState !== oldState) {\n                this.errorState = newState;\n                this.stateChanges.next();\n            }\n        };\n        return class_1;\n    }(base));\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Mixin to augment a directive with an initialized property that will emits when ngOnInit ends. */\nfunction mixinInitialized(base) {\n    return /** @class */ (function (_super) {\n        __extends(class_1, _super);\n        function class_1() {\n            var args = [];\n            for (var _i = 0; _i < arguments.length; _i++) {\n                args[_i] = arguments[_i];\n            }\n            var _this = _super.apply(this, __spread(args)) || this;\n            /** Whether this directive has been marked as initialized. */\n            _this._isInitialized = false;\n            /**\n             * List of subscribers that subscribed before the directive was initialized. Should be notified\n             * during _markInitialized. Set to null after pending subscribers are notified, and should\n             * not expect to be populated after.\n             */\n            _this._pendingSubscribers = [];\n            /**\n             * Observable stream that emits when the directive initializes. If already initialized, the\n             * subscriber is stored to be notified once _markInitialized is called.\n             */\n            _this.initialized = new Observable(function (subscriber) {\n                // If initialized, immediately notify the subscriber. Otherwise store the subscriber to notify\n                // when _markInitialized is called.\n                if (_this._isInitialized) {\n                    _this._notifySubscriber(subscriber);\n                }\n                else {\n                    _this._pendingSubscribers.push(subscriber);\n                }\n            });\n            return _this;\n        }\n        /**\n         * Marks the state as initialized and notifies pending subscribers. Should be called at the end\n         * of ngOnInit.\n         * @docs-private\n         */\n        class_1.prototype._markInitialized = function () {\n            if (this._isInitialized) {\n                throw Error('This directive has already been marked as initialized and ' +\n                    'should not be called twice.');\n            }\n            this._isInitialized = true;\n            this._pendingSubscribers.forEach(this._notifySubscriber);\n            this._pendingSubscribers = null;\n        };\n        /** Emits and completes the subscriber stream (should only emit once). */\n        class_1.prototype._notifySubscriber = function (subscriber) {\n            subscriber.next();\n            subscriber.complete();\n        };\n        return class_1;\n    }(base));\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** InjectionToken for datepicker that can be used to override default locale code. */\nvar MAT_DATE_LOCALE = new InjectionToken('MAT_DATE_LOCALE', {\n    providedIn: 'root',\n    factory: MAT_DATE_LOCALE_FACTORY,\n});\n/** @docs-private */\nfunction MAT_DATE_LOCALE_FACTORY() {\n    return inject(LOCALE_ID);\n}\n/**\n * No longer needed since MAT_DATE_LOCALE has been changed to a scoped injectable.\n * If you are importing and providing this in your code you can simply remove it.\n * @deprecated\n * @breaking-change 8.0.0\n */\nvar MAT_DATE_LOCALE_PROVIDER = { provide: MAT_DATE_LOCALE, useExisting: LOCALE_ID };\n/** Adapts type `D` to be usable as a date by cdk-based components that work with dates. */\nvar DateAdapter = /** @class */ (function () {\n    function DateAdapter() {\n        this._localeChanges = new Subject();\n    }\n    Object.defineProperty(DateAdapter.prototype, \"localeChanges\", {\n        /** A stream that emits when the locale changes. */\n        get: function () { return this._localeChanges; },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Attempts to deserialize a value to a valid date object. This is different from parsing in that\n     * deserialize should only accept non-ambiguous, locale-independent formats (e.g. a ISO 8601\n     * string). The default implementation does not allow any deserialization, it simply checks that\n     * the given value is already a valid date object or null. The `<mat-datepicker>` will call this\n     * method on all of its `@Input()` properties that accept dates. It is therefore possible to\n     * support passing values from your backend directly to these properties by overriding this method\n     * to also deserialize the format used by your backend.\n     * @param value The value to be deserialized into a date object.\n     * @returns The deserialized date object, either a valid date, null if the value can be\n     *     deserialized into a null date (e.g. the empty string), or an invalid date.\n     */\n    DateAdapter.prototype.deserialize = function (value) {\n        if (value == null || this.isDateInstance(value) && this.isValid(value)) {\n            return value;\n        }\n        return this.invalid();\n    };\n    /**\n     * Sets the locale used for all dates.\n     * @param locale The new locale.\n     */\n    DateAdapter.prototype.setLocale = function (locale) {\n        this.locale = locale;\n        this._localeChanges.next();\n    };\n    /**\n     * Compares two dates.\n     * @param first The first date to compare.\n     * @param second The second date to compare.\n     * @returns 0 if the dates are equal, a number less than 0 if the first date is earlier,\n     *     a number greater than 0 if the first date is later.\n     */\n    DateAdapter.prototype.compareDate = function (first, second) {\n        return this.getYear(first) - this.getYear(second) ||\n            this.getMonth(first) - this.getMonth(second) ||\n            this.getDate(first) - this.getDate(second);\n    };\n    /**\n     * Checks if two dates are equal.\n     * @param first The first date to check.\n     * @param second The second date to check.\n     * @returns Whether the two dates are equal.\n     *     Null dates are considered equal to other null dates.\n     */\n    DateAdapter.prototype.sameDate = function (first, second) {\n        if (first && second) {\n            var firstValid = this.isValid(first);\n            var secondValid = this.isValid(second);\n            if (firstValid && secondValid) {\n                return !this.compareDate(first, second);\n            }\n            return firstValid == secondValid;\n        }\n        return first == second;\n    };\n    /**\n     * Clamp the given date between min and max dates.\n     * @param date The date to clamp.\n     * @param min The minimum value to allow. If null or omitted no min is enforced.\n     * @param max The maximum value to allow. If null or omitted no max is enforced.\n     * @returns `min` if `date` is less than `min`, `max` if date is greater than `max`,\n     *     otherwise `date`.\n     */\n    DateAdapter.prototype.clampDate = function (date, min, max) {\n        if (min && this.compareDate(date, min) < 0) {\n            return min;\n        }\n        if (max && this.compareDate(date, max) > 0) {\n            return max;\n        }\n        return date;\n    };\n    return DateAdapter;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MAT_DATE_FORMATS = new InjectionToken('mat-date-formats');\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// TODO(mmalerba): Remove when we no longer support safari 9.\n/** Whether the browser supports the Intl API. */\nvar SUPPORTS_INTL_API;\n// We need a try/catch around the reference to `Intl`, because accessing it in some cases can\n// cause IE to throw. These cases are tied to particular versions of Windows and can happen if\n// the consumer is providing a polyfilled `Map`. See:\n// https://github.com/Microsoft/ChakraCore/issues/3189\n// https://github.com/angular/components/issues/15687\ntry {\n    SUPPORTS_INTL_API = typeof Intl != 'undefined';\n}\ncatch (_a) {\n    SUPPORTS_INTL_API = false;\n}\n/** The default month names to use if Intl API is not available. */\nvar DEFAULT_MONTH_NAMES = {\n    'long': [\n        'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September',\n        'October', 'November', 'December'\n    ],\n    'short': ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],\n    'narrow': ['J', 'F', 'M', 'A', 'M', 'J', 'J', 'A', 'S', 'O', 'N', 'D']\n};\nvar ɵ0 = function (i) { return String(i + 1); };\n/** The default date names to use if Intl API is not available. */\nvar DEFAULT_DATE_NAMES = range(31, ɵ0);\n/** The default day of the week names to use if Intl API is not available. */\nvar DEFAULT_DAY_OF_WEEK_NAMES = {\n    'long': ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],\n    'short': ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],\n    'narrow': ['S', 'M', 'T', 'W', 'T', 'F', 'S']\n};\n/**\n * Matches strings that have the form of a valid RFC 3339 string\n * (https://tools.ietf.org/html/rfc3339). Note that the string may not actually be a valid date\n * because the regex will match strings an with out of bounds month, date, etc.\n */\nvar ISO_8601_REGEX = /^\\d{4}-\\d{2}-\\d{2}(?:T\\d{2}:\\d{2}:\\d{2}(?:\\.\\d+)?(?:Z|(?:(?:\\+|-)\\d{2}:\\d{2}))?)?$/;\n/** Creates an array and fills it with values. */\nfunction range(length, valueFunction) {\n    var valuesArray = Array(length);\n    for (var i = 0; i < length; i++) {\n        valuesArray[i] = valueFunction(i);\n    }\n    return valuesArray;\n}\n/** Adapts the native JS Date for use with cdk-based components that work with dates. */\nvar NativeDateAdapter = /** @class */ (function (_super) {\n    __extends(NativeDateAdapter, _super);\n    function NativeDateAdapter(matDateLocale, platform) {\n        var _this = _super.call(this) || this;\n        /**\n         * Whether to use `timeZone: 'utc'` with `Intl.DateTimeFormat` when formatting dates.\n         * Without this `Intl.DateTimeFormat` sometimes chooses the wrong timeZone, which can throw off\n         * the result. (e.g. in the en-US locale `new Date(1800, 7, 14).toLocaleDateString()`\n         * will produce `'8/13/1800'`.\n         *\n         * TODO(mmalerba): drop this variable. It's not being used in the code right now. We're now\n         * getting the string representation of a Date object from its utc representation. We're keeping\n         * it here for sometime, just for precaution, in case we decide to revert some of these changes\n         * though.\n         */\n        _this.useUtcForDisplay = true;\n        _super.prototype.setLocale.call(_this, matDateLocale);\n        // IE does its own time zone correction, so we disable this on IE.\n        _this.useUtcForDisplay = !platform.TRIDENT;\n        _this._clampDate = platform.TRIDENT || platform.EDGE;\n        return _this;\n    }\n    NativeDateAdapter.prototype.getYear = function (date) {\n        return date.getFullYear();\n    };\n    NativeDateAdapter.prototype.getMonth = function (date) {\n        return date.getMonth();\n    };\n    NativeDateAdapter.prototype.getDate = function (date) {\n        return date.getDate();\n    };\n    NativeDateAdapter.prototype.getDayOfWeek = function (date) {\n        return date.getDay();\n    };\n    NativeDateAdapter.prototype.getMonthNames = function (style) {\n        var _this = this;\n        if (SUPPORTS_INTL_API) {\n            var dtf_1 = new Intl.DateTimeFormat(this.locale, { month: style, timeZone: 'utc' });\n            return range(12, function (i) {\n                return _this._stripDirectionalityCharacters(_this._format(dtf_1, new Date(2017, i, 1)));\n            });\n        }\n        return DEFAULT_MONTH_NAMES[style];\n    };\n    NativeDateAdapter.prototype.getDateNames = function () {\n        var _this = this;\n        if (SUPPORTS_INTL_API) {\n            var dtf_2 = new Intl.DateTimeFormat(this.locale, { day: 'numeric', timeZone: 'utc' });\n            return range(31, function (i) { return _this._stripDirectionalityCharacters(_this._format(dtf_2, new Date(2017, 0, i + 1))); });\n        }\n        return DEFAULT_DATE_NAMES;\n    };\n    NativeDateAdapter.prototype.getDayOfWeekNames = function (style) {\n        var _this = this;\n        if (SUPPORTS_INTL_API) {\n            var dtf_3 = new Intl.DateTimeFormat(this.locale, { weekday: style, timeZone: 'utc' });\n            return range(7, function (i) { return _this._stripDirectionalityCharacters(_this._format(dtf_3, new Date(2017, 0, i + 1))); });\n        }\n        return DEFAULT_DAY_OF_WEEK_NAMES[style];\n    };\n    NativeDateAdapter.prototype.getYearName = function (date) {\n        if (SUPPORTS_INTL_API) {\n            var dtf = new Intl.DateTimeFormat(this.locale, { year: 'numeric', timeZone: 'utc' });\n            return this._stripDirectionalityCharacters(this._format(dtf, date));\n        }\n        return String(this.getYear(date));\n    };\n    NativeDateAdapter.prototype.getFirstDayOfWeek = function () {\n        // We can't tell using native JS Date what the first day of the week is, we default to Sunday.\n        return 0;\n    };\n    NativeDateAdapter.prototype.getNumDaysInMonth = function (date) {\n        return this.getDate(this._createDateWithOverflow(this.getYear(date), this.getMonth(date) + 1, 0));\n    };\n    NativeDateAdapter.prototype.clone = function (date) {\n        return new Date(date.getTime());\n    };\n    NativeDateAdapter.prototype.createDate = function (year, month, date) {\n        // Check for invalid month and date (except upper bound on date which we have to check after\n        // creating the Date).\n        if (month < 0 || month > 11) {\n            throw Error(\"Invalid month index \\\"\" + month + \"\\\". Month index has to be between 0 and 11.\");\n        }\n        if (date < 1) {\n            throw Error(\"Invalid date \\\"\" + date + \"\\\". Date has to be greater than 0.\");\n        }\n        var result = this._createDateWithOverflow(year, month, date);\n        // Check that the date wasn't above the upper bound for the month, causing the month to overflow\n        if (result.getMonth() != month) {\n            throw Error(\"Invalid date \\\"\" + date + \"\\\" for month with index \\\"\" + month + \"\\\".\");\n        }\n        return result;\n    };\n    NativeDateAdapter.prototype.today = function () {\n        return new Date();\n    };\n    NativeDateAdapter.prototype.parse = function (value) {\n        // We have no way using the native JS Date to set the parse format or locale, so we ignore these\n        // parameters.\n        if (typeof value == 'number') {\n            return new Date(value);\n        }\n        return value ? new Date(Date.parse(value)) : null;\n    };\n    NativeDateAdapter.prototype.format = function (date, displayFormat) {\n        if (!this.isValid(date)) {\n            throw Error('NativeDateAdapter: Cannot format invalid date.');\n        }\n        if (SUPPORTS_INTL_API) {\n            // On IE and Edge the i18n API will throw a hard error that can crash the entire app\n            // if we attempt to format a date whose year is less than 1 or greater than 9999.\n            if (this._clampDate && (date.getFullYear() < 1 || date.getFullYear() > 9999)) {\n                date = this.clone(date);\n                date.setFullYear(Math.max(1, Math.min(9999, date.getFullYear())));\n            }\n            displayFormat = __assign(__assign({}, displayFormat), { timeZone: 'utc' });\n            var dtf = new Intl.DateTimeFormat(this.locale, displayFormat);\n            return this._stripDirectionalityCharacters(this._format(dtf, date));\n        }\n        return this._stripDirectionalityCharacters(date.toDateString());\n    };\n    NativeDateAdapter.prototype.addCalendarYears = function (date, years) {\n        return this.addCalendarMonths(date, years * 12);\n    };\n    NativeDateAdapter.prototype.addCalendarMonths = function (date, months) {\n        var newDate = this._createDateWithOverflow(this.getYear(date), this.getMonth(date) + months, this.getDate(date));\n        // It's possible to wind up in the wrong month if the original month has more days than the new\n        // month. In this case we want to go to the last day of the desired month.\n        // Note: the additional + 12 % 12 ensures we end up with a positive number, since JS % doesn't\n        // guarantee this.\n        if (this.getMonth(newDate) != ((this.getMonth(date) + months) % 12 + 12) % 12) {\n            newDate = this._createDateWithOverflow(this.getYear(newDate), this.getMonth(newDate), 0);\n        }\n        return newDate;\n    };\n    NativeDateAdapter.prototype.addCalendarDays = function (date, days) {\n        return this._createDateWithOverflow(this.getYear(date), this.getMonth(date), this.getDate(date) + days);\n    };\n    NativeDateAdapter.prototype.toIso8601 = function (date) {\n        return [\n            date.getUTCFullYear(),\n            this._2digit(date.getUTCMonth() + 1),\n            this._2digit(date.getUTCDate())\n        ].join('-');\n    };\n    /**\n     * Returns the given value if given a valid Date or null. Deserializes valid ISO 8601 strings\n     * (https://www.ietf.org/rfc/rfc3339.txt) into valid Dates and empty string into null. Returns an\n     * invalid date for all other values.\n     */\n    NativeDateAdapter.prototype.deserialize = function (value) {\n        if (typeof value === 'string') {\n            if (!value) {\n                return null;\n            }\n            // The `Date` constructor accepts formats other than ISO 8601, so we need to make sure the\n            // string is the right format first.\n            if (ISO_8601_REGEX.test(value)) {\n                var date = new Date(value);\n                if (this.isValid(date)) {\n                    return date;\n                }\n            }\n        }\n        return _super.prototype.deserialize.call(this, value);\n    };\n    NativeDateAdapter.prototype.isDateInstance = function (obj) {\n        return obj instanceof Date;\n    };\n    NativeDateAdapter.prototype.isValid = function (date) {\n        return !isNaN(date.getTime());\n    };\n    NativeDateAdapter.prototype.invalid = function () {\n        return new Date(NaN);\n    };\n    /** Creates a date but allows the month and date to overflow. */\n    NativeDateAdapter.prototype._createDateWithOverflow = function (year, month, date) {\n        var result = new Date(year, month, date);\n        // We need to correct for the fact that JS native Date treats years in range [0, 99] as\n        // abbreviations for 19xx.\n        if (year >= 0 && year < 100) {\n            result.setFullYear(this.getYear(result) - 1900);\n        }\n        return result;\n    };\n    /**\n     * Pads a number to make it two digits.\n     * @param n The number to pad.\n     * @returns The padded number.\n     */\n    NativeDateAdapter.prototype._2digit = function (n) {\n        return ('00' + n).slice(-2);\n    };\n    /**\n     * Strip out unicode LTR and RTL characters. Edge and IE insert these into formatted dates while\n     * other browsers do not. We remove them to make output consistent and because they interfere with\n     * date parsing.\n     * @param str The string to strip direction characters from.\n     * @returns The stripped string.\n     */\n    NativeDateAdapter.prototype._stripDirectionalityCharacters = function (str) {\n        return str.replace(/[\\u200e\\u200f]/g, '');\n    };\n    /**\n     * When converting Date object to string, javascript built-in functions may return wrong\n     * results because it applies its internal DST rules. The DST rules around the world change\n     * very frequently, and the current valid rule is not always valid in previous years though.\n     * We work around this problem building a new Date object which has its internal UTC\n     * representation with the local date and time.\n     * @param dtf Intl.DateTimeFormat object, containg the desired string format. It must have\n     *    timeZone set to 'utc' to work fine.\n     * @param date Date from which we want to get the string representation according to dtf\n     * @returns A Date object with its UTC representation based on the passed in date info\n     */\n    NativeDateAdapter.prototype._format = function (dtf, date) {\n        var d = new Date(Date.UTC(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds(), date.getMilliseconds()));\n        return dtf.format(d);\n    };\n    NativeDateAdapter.decorators = [\n        { type: Injectable }\n    ];\n    /** @nocollapse */\n    NativeDateAdapter.ctorParameters = function () { return [\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [MAT_DATE_LOCALE,] }] },\n        { type: Platform }\n    ]; };\n    return NativeDateAdapter;\n}(DateAdapter));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MAT_NATIVE_DATE_FORMATS = {\n    parse: {\n        dateInput: null,\n    },\n    display: {\n        dateInput: { year: 'numeric', month: 'numeric', day: 'numeric' },\n        monthYearLabel: { year: 'numeric', month: 'short' },\n        dateA11yLabel: { year: 'numeric', month: 'long', day: 'numeric' },\n        monthYearA11yLabel: { year: 'numeric', month: 'long' },\n    }\n};\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar NativeDateModule = /** @class */ (function () {\n    function NativeDateModule() {\n    }\n    NativeDateModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [PlatformModule],\n                    providers: [\n                        { provide: DateAdapter, useClass: NativeDateAdapter },\n                    ],\n                },] }\n    ];\n    return NativeDateModule;\n}());\nvar ɵ0$1 = MAT_NATIVE_DATE_FORMATS;\nvar MatNativeDateModule = /** @class */ (function () {\n    function MatNativeDateModule() {\n    }\n    MatNativeDateModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [NativeDateModule],\n                    providers: [{ provide: MAT_DATE_FORMATS, useValue: ɵ0$1 }],\n                },] }\n    ];\n    return MatNativeDateModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Error state matcher that matches when a control is invalid and dirty. */\nvar ShowOnDirtyErrorStateMatcher = /** @class */ (function () {\n    function ShowOnDirtyErrorStateMatcher() {\n    }\n    ShowOnDirtyErrorStateMatcher.prototype.isErrorState = function (control, form) {\n        return !!(control && control.invalid && (control.dirty || (form && form.submitted)));\n    };\n    ShowOnDirtyErrorStateMatcher.decorators = [\n        { type: Injectable }\n    ];\n    return ShowOnDirtyErrorStateMatcher;\n}());\n/** Provider that defines how form controls behave with regards to displaying error messages. */\nvar ErrorStateMatcher = /** @class */ (function () {\n    function ErrorStateMatcher() {\n    }\n    ErrorStateMatcher.prototype.isErrorState = function (control, form) {\n        return !!(control && control.invalid && (control.touched || (form && form.submitted)));\n    };\n    ErrorStateMatcher.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    ErrorStateMatcher.ɵprov = ɵɵdefineInjectable({ factory: function ErrorStateMatcher_Factory() { return new ErrorStateMatcher(); }, token: ErrorStateMatcher, providedIn: \"root\" });\n    return ErrorStateMatcher;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Injection token that can be used to provide options to the Hammerjs instance.\n * More info at http://hammerjs.github.io/api/.\n * @deprecated No longer being used. To be removed.\n * @breaking-change 10.0.0\n */\nvar MAT_HAMMER_OPTIONS = new InjectionToken('MAT_HAMMER_OPTIONS');\nvar ANGULAR_MATERIAL_SUPPORTED_HAMMER_GESTURES = [\n    'longpress',\n    'slide',\n    'slidestart',\n    'slideend',\n    'slideright',\n    'slideleft'\n];\nvar ɵ0$2 = function () { }, ɵ1 = function () { };\n/**\n * Fake HammerInstance that is used when a Hammer instance is requested when HammerJS has not\n * been loaded on the page.\n */\nvar noopHammerInstance = {\n    on: ɵ0$2,\n    off: ɵ1,\n};\n/**\n * Adjusts configuration of our gesture library, Hammer.\n * @deprecated No longer being used. To be removed.\n * @breaking-change 10.0.0\n */\nvar GestureConfig = /** @class */ (function (_super) {\n    __extends(GestureConfig, _super);\n    function GestureConfig(_hammerOptions, _commonModule) {\n        var _this = _super.call(this) || this;\n        _this._hammerOptions = _hammerOptions;\n        /** List of new event names to add to the gesture support list */\n        _this.events = ANGULAR_MATERIAL_SUPPORTED_HAMMER_GESTURES;\n        return _this;\n    }\n    /**\n     * Builds Hammer instance manually to add custom recognizers that match the Material Design spec.\n     *\n     * Our gesture names come from the Material Design gestures spec:\n     * https://material.io/design/#gestures-touch-mechanics\n     *\n     * More information on default recognizers can be found in Hammer docs:\n     * http://hammerjs.github.io/recognizer-pan/\n     * http://hammerjs.github.io/recognizer-press/\n     *\n     * @param element Element to which to assign the new HammerJS gestures.\n     * @returns Newly-created HammerJS instance.\n     */\n    GestureConfig.prototype.buildHammer = function (element) {\n        var hammer = typeof window !== 'undefined' ? window.Hammer : null;\n        if (!hammer) {\n            // If HammerJS is not loaded here, return the noop HammerInstance. This is necessary to\n            // ensure that omitting HammerJS completely will not cause any errors while *also* supporting\n            // the lazy-loading of HammerJS via the HAMMER_LOADER token introduced in Angular 6.1.\n            // Because we can't depend on HAMMER_LOADER's existance until 7.0, we have to always set\n            // `this.events` to the set we support, instead of conditionally setting it to `[]` if\n            // `HAMMER_LOADER` is present (and then throwing an Error here if `window.Hammer` is\n            // undefined).\n            // @breaking-change 8.0.0\n            return noopHammerInstance;\n        }\n        var mc = new hammer(element, this._hammerOptions || undefined);\n        // Default Hammer Recognizers.\n        var pan = new hammer.Pan();\n        var swipe = new hammer.Swipe();\n        var press = new hammer.Press();\n        // Notice that a HammerJS recognizer can only depend on one other recognizer once.\n        // Otherwise the previous `recognizeWith` will be dropped.\n        // TODO: Confirm threshold numbers with Material Design UX Team\n        var slide = this._createRecognizer(pan, { event: 'slide', threshold: 0 }, swipe);\n        var longpress = this._createRecognizer(press, { event: 'longpress', time: 500 });\n        // Overwrite the default `pan` event to use the swipe event.\n        pan.recognizeWith(swipe);\n        // Since the slide event threshold is set to zero, the slide recognizer can fire and\n        // accidentally reset the longpress recognizer. In order to make sure that the two\n        // recognizers can run simultaneously but don't affect each other, we allow the slide\n        // recognizer to recognize while a longpress is being processed.\n        // See: https://github.com/hammerjs/hammer.js/blob/master/src/manager.js#L123-L124\n        longpress.recognizeWith(slide);\n        // Add customized gestures to Hammer manager\n        mc.add([swipe, press, pan, slide, longpress]);\n        return mc;\n    };\n    /** Creates a new recognizer, without affecting the default recognizers of HammerJS */\n    GestureConfig.prototype._createRecognizer = function (base, options) {\n        var inheritances = [];\n        for (var _i = 2; _i < arguments.length; _i++) {\n            inheritances[_i - 2] = arguments[_i];\n        }\n        var recognizer = new base.constructor(options);\n        inheritances.push(base);\n        inheritances.forEach(function (item) { return recognizer.recognizeWith(item); });\n        return recognizer;\n    };\n    GestureConfig.decorators = [\n        { type: Injectable }\n    ];\n    /** @nocollapse */\n    GestureConfig.ctorParameters = function () { return [\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_HAMMER_OPTIONS,] }] },\n        { type: MatCommonModule, decorators: [{ type: Optional }] }\n    ]; };\n    return GestureConfig;\n}(HammerGestureConfig));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Shared directive to count lines inside a text area, such as a list item.\n * Line elements can be extracted with a @ContentChildren(MatLine) query, then\n * counted by checking the query list's length.\n */\nvar MatLine = /** @class */ (function () {\n    function MatLine() {\n    }\n    MatLine.decorators = [\n        { type: Directive, args: [{\n                    selector: '[mat-line], [matLine]',\n                    host: { 'class': 'mat-line' }\n                },] }\n    ];\n    return MatLine;\n}());\n/**\n * Helper that takes a query list of lines and sets the correct class on the host.\n * @docs-private\n */\nfunction setLines(lines, element) {\n    // Note: doesn't need to unsubscribe, because `changes`\n    // gets completed by Angular when the view is destroyed.\n    lines.changes.pipe(startWith(lines)).subscribe(function (_a) {\n        var length = _a.length;\n        setClass(element, 'mat-2-line', false);\n        setClass(element, 'mat-3-line', false);\n        setClass(element, 'mat-multi-line', false);\n        if (length === 2 || length === 3) {\n            setClass(element, \"mat-\" + length + \"-line\", true);\n        }\n        else if (length > 3) {\n            setClass(element, \"mat-multi-line\", true);\n        }\n    });\n}\n/** Adds or removes a class from an element. */\nfunction setClass(element, className, isAdd) {\n    var classList = element.nativeElement.classList;\n    isAdd ? classList.add(className) : classList.remove(className);\n}\n/**\n * Helper that takes a query list of lines and sets the correct class on the host.\n * @docs-private\n * @deprecated Use `setLines` instead.\n * @breaking-change 8.0.0\n */\nvar MatLineSetter = /** @class */ (function () {\n    function MatLineSetter(lines, element) {\n        setLines(lines, element);\n    }\n    return MatLineSetter;\n}());\nvar MatLineModule = /** @class */ (function () {\n    function MatLineModule() {\n    }\n    MatLineModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [MatCommonModule],\n                    exports: [MatLine, MatCommonModule],\n                    declarations: [MatLine],\n                },] }\n    ];\n    return MatLineModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Possible states for a ripple element. */\nvar RippleState;\n(function (RippleState) {\n    RippleState[RippleState[\"FADING_IN\"] = 0] = \"FADING_IN\";\n    RippleState[RippleState[\"VISIBLE\"] = 1] = \"VISIBLE\";\n    RippleState[RippleState[\"FADING_OUT\"] = 2] = \"FADING_OUT\";\n    RippleState[RippleState[\"HIDDEN\"] = 3] = \"HIDDEN\";\n})(RippleState || (RippleState = {}));\n/**\n * Reference to a previously launched ripple element.\n */\nvar RippleRef = /** @class */ (function () {\n    function RippleRef(_renderer, \n    /** Reference to the ripple HTML element. */\n    element, \n    /** Ripple configuration used for the ripple. */\n    config) {\n        this._renderer = _renderer;\n        this.element = element;\n        this.config = config;\n        /** Current state of the ripple. */\n        this.state = RippleState.HIDDEN;\n    }\n    /** Fades out the ripple element. */\n    RippleRef.prototype.fadeOut = function () {\n        this._renderer.fadeOutRipple(this);\n    };\n    return RippleRef;\n}());\n\n/**\n * Default ripple animation configuration for ripples without an explicit\n * animation config specified.\n */\nvar defaultRippleAnimationConfig = {\n    enterDuration: 450,\n    exitDuration: 400\n};\n/**\n * Timeout for ignoring mouse events. Mouse events will be temporary ignored after touch\n * events to avoid synthetic mouse events.\n */\nvar ignoreMouseEventsTimeout = 800;\n/** Options that apply to all the event listeners that are bound by the ripple renderer. */\nvar passiveEventOptions = normalizePassiveListenerOptions({ passive: true });\n/**\n * Helper service that performs DOM manipulations. Not intended to be used outside this module.\n * The constructor takes a reference to the ripple directive's host element and a map of DOM\n * event handlers to be installed on the element that triggers ripple animations.\n * This will eventually become a custom renderer once Angular support exists.\n * @docs-private\n */\nvar RippleRenderer = /** @class */ (function () {\n    function RippleRenderer(_target, _ngZone, elementOrElementRef, platform) {\n        var _this = this;\n        this._target = _target;\n        this._ngZone = _ngZone;\n        /** Whether the pointer is currently down or not. */\n        this._isPointerDown = false;\n        /** Events to be registered on the trigger element. */\n        this._triggerEvents = new Map();\n        /** Set of currently active ripple references. */\n        this._activeRipples = new Set();\n        /** Function being called whenever the trigger is being pressed using mouse. */\n        this._onMousedown = function (event) {\n            // Screen readers will fire fake mouse events for space/enter. Skip launching a\n            // ripple in this case for consistency with the non-screen-reader experience.\n            var isFakeMousedown = isFakeMousedownFromScreenReader(event);\n            var isSyntheticEvent = _this._lastTouchStartEvent &&\n                Date.now() < _this._lastTouchStartEvent + ignoreMouseEventsTimeout;\n            if (!_this._target.rippleDisabled && !isFakeMousedown && !isSyntheticEvent) {\n                _this._isPointerDown = true;\n                _this.fadeInRipple(event.clientX, event.clientY, _this._target.rippleConfig);\n            }\n        };\n        /** Function being called whenever the trigger is being pressed using touch. */\n        this._onTouchStart = function (event) {\n            if (!_this._target.rippleDisabled) {\n                // Some browsers fire mouse events after a `touchstart` event. Those synthetic mouse\n                // events will launch a second ripple if we don't ignore mouse events for a specific\n                // time after a touchstart event.\n                _this._lastTouchStartEvent = Date.now();\n                _this._isPointerDown = true;\n                // Use `changedTouches` so we skip any touches where the user put\n                // their finger down, but used another finger to tap the element again.\n                var touches = event.changedTouches;\n                for (var i = 0; i < touches.length; i++) {\n                    _this.fadeInRipple(touches[i].clientX, touches[i].clientY, _this._target.rippleConfig);\n                }\n            }\n        };\n        /** Function being called whenever the trigger is being released. */\n        this._onPointerUp = function () {\n            if (!_this._isPointerDown) {\n                return;\n            }\n            _this._isPointerDown = false;\n            // Fade-out all ripples that are visible and not persistent.\n            _this._activeRipples.forEach(function (ripple) {\n                // By default, only ripples that are completely visible will fade out on pointer release.\n                // If the `terminateOnPointerUp` option is set, ripples that still fade in will also fade out.\n                var isVisible = ripple.state === RippleState.VISIBLE ||\n                    ripple.config.terminateOnPointerUp && ripple.state === RippleState.FADING_IN;\n                if (!ripple.config.persistent && isVisible) {\n                    ripple.fadeOut();\n                }\n            });\n        };\n        // Only do anything if we're on the browser.\n        if (platform.isBrowser) {\n            this._containerElement = coerceElement(elementOrElementRef);\n            // Specify events which need to be registered on the trigger.\n            this._triggerEvents\n                .set('mousedown', this._onMousedown)\n                .set('mouseup', this._onPointerUp)\n                .set('mouseleave', this._onPointerUp)\n                .set('touchstart', this._onTouchStart)\n                .set('touchend', this._onPointerUp)\n                .set('touchcancel', this._onPointerUp);\n        }\n    }\n    /**\n     * Fades in a ripple at the given coordinates.\n     * @param x Coordinate within the element, along the X axis at which to start the ripple.\n     * @param y Coordinate within the element, along the Y axis at which to start the ripple.\n     * @param config Extra ripple options.\n     */\n    RippleRenderer.prototype.fadeInRipple = function (x, y, config) {\n        var _this = this;\n        if (config === void 0) { config = {}; }\n        var containerRect = this._containerRect =\n            this._containerRect || this._containerElement.getBoundingClientRect();\n        var animationConfig = __assign(__assign({}, defaultRippleAnimationConfig), config.animation);\n        if (config.centered) {\n            x = containerRect.left + containerRect.width / 2;\n            y = containerRect.top + containerRect.height / 2;\n        }\n        var radius = config.radius || distanceToFurthestCorner(x, y, containerRect);\n        var offsetX = x - containerRect.left;\n        var offsetY = y - containerRect.top;\n        var duration = animationConfig.enterDuration;\n        var ripple = document.createElement('div');\n        ripple.classList.add('mat-ripple-element');\n        ripple.style.left = offsetX - radius + \"px\";\n        ripple.style.top = offsetY - radius + \"px\";\n        ripple.style.height = radius * 2 + \"px\";\n        ripple.style.width = radius * 2 + \"px\";\n        // If a custom color has been specified, set it as inline style. If no color is\n        // set, the default color will be applied through the ripple theme styles.\n        if (config.color != null) {\n            ripple.style.backgroundColor = config.color;\n        }\n        ripple.style.transitionDuration = duration + \"ms\";\n        this._containerElement.appendChild(ripple);\n        // By default the browser does not recalculate the styles of dynamically created\n        // ripple elements. This is critical because then the `scale` would not animate properly.\n        enforceStyleRecalculation(ripple);\n        ripple.style.transform = 'scale(1)';\n        // Exposed reference to the ripple that will be returned.\n        var rippleRef = new RippleRef(this, ripple, config);\n        rippleRef.state = RippleState.FADING_IN;\n        // Add the ripple reference to the list of all active ripples.\n        this._activeRipples.add(rippleRef);\n        if (!config.persistent) {\n            this._mostRecentTransientRipple = rippleRef;\n        }\n        // Wait for the ripple element to be completely faded in.\n        // Once it's faded in, the ripple can be hidden immediately if the mouse is released.\n        this._runTimeoutOutsideZone(function () {\n            var isMostRecentTransientRipple = rippleRef === _this._mostRecentTransientRipple;\n            rippleRef.state = RippleState.VISIBLE;\n            // When the timer runs out while the user has kept their pointer down, we want to\n            // keep only the persistent ripples and the latest transient ripple. We do this,\n            // because we don't want stacked transient ripples to appear after their enter\n            // animation has finished.\n            if (!config.persistent && (!isMostRecentTransientRipple || !_this._isPointerDown)) {\n                rippleRef.fadeOut();\n            }\n        }, duration);\n        return rippleRef;\n    };\n    /** Fades out a ripple reference. */\n    RippleRenderer.prototype.fadeOutRipple = function (rippleRef) {\n        var wasActive = this._activeRipples.delete(rippleRef);\n        if (rippleRef === this._mostRecentTransientRipple) {\n            this._mostRecentTransientRipple = null;\n        }\n        // Clear out the cached bounding rect if we have no more ripples.\n        if (!this._activeRipples.size) {\n            this._containerRect = null;\n        }\n        // For ripples that are not active anymore, don't re-run the fade-out animation.\n        if (!wasActive) {\n            return;\n        }\n        var rippleEl = rippleRef.element;\n        var animationConfig = __assign(__assign({}, defaultRippleAnimationConfig), rippleRef.config.animation);\n        rippleEl.style.transitionDuration = animationConfig.exitDuration + \"ms\";\n        rippleEl.style.opacity = '0';\n        rippleRef.state = RippleState.FADING_OUT;\n        // Once the ripple faded out, the ripple can be safely removed from the DOM.\n        this._runTimeoutOutsideZone(function () {\n            rippleRef.state = RippleState.HIDDEN;\n            rippleEl.parentNode.removeChild(rippleEl);\n        }, animationConfig.exitDuration);\n    };\n    /** Fades out all currently active ripples. */\n    RippleRenderer.prototype.fadeOutAll = function () {\n        this._activeRipples.forEach(function (ripple) { return ripple.fadeOut(); });\n    };\n    /** Sets up the trigger event listeners */\n    RippleRenderer.prototype.setupTriggerEvents = function (elementOrElementRef) {\n        var _this = this;\n        var element = coerceElement(elementOrElementRef);\n        if (!element || element === this._triggerElement) {\n            return;\n        }\n        // Remove all previously registered event listeners from the trigger element.\n        this._removeTriggerEvents();\n        this._ngZone.runOutsideAngular(function () {\n            _this._triggerEvents.forEach(function (fn, type) {\n                element.addEventListener(type, fn, passiveEventOptions);\n            });\n        });\n        this._triggerElement = element;\n    };\n    /** Runs a timeout outside of the Angular zone to avoid triggering the change detection. */\n    RippleRenderer.prototype._runTimeoutOutsideZone = function (fn, delay) {\n        if (delay === void 0) { delay = 0; }\n        this._ngZone.runOutsideAngular(function () { return setTimeout(fn, delay); });\n    };\n    /** Removes previously registered event listeners from the trigger element. */\n    RippleRenderer.prototype._removeTriggerEvents = function () {\n        var _this = this;\n        if (this._triggerElement) {\n            this._triggerEvents.forEach(function (fn, type) {\n                _this._triggerElement.removeEventListener(type, fn, passiveEventOptions);\n            });\n        }\n    };\n    return RippleRenderer;\n}());\n/** Enforces a style recalculation of a DOM element by computing its styles. */\nfunction enforceStyleRecalculation(element) {\n    // Enforce a style recalculation by calling `getComputedStyle` and accessing any property.\n    // Calling `getPropertyValue` is important to let optimizers know that this is not a noop.\n    // See: https://gist.github.com/paulirish/5d52fb081b3570c81e3a\n    window.getComputedStyle(element).getPropertyValue('opacity');\n}\n/**\n * Returns the distance from the point (x, y) to the furthest corner of a rectangle.\n */\nfunction distanceToFurthestCorner(x, y, rect) {\n    var distX = Math.max(Math.abs(x - rect.left), Math.abs(x - rect.right));\n    var distY = Math.max(Math.abs(y - rect.top), Math.abs(y - rect.bottom));\n    return Math.sqrt(distX * distX + distY * distY);\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Injection token that can be used to specify the global ripple options. */\nvar MAT_RIPPLE_GLOBAL_OPTIONS = new InjectionToken('mat-ripple-global-options');\nvar MatRipple = /** @class */ (function () {\n    function MatRipple(_elementRef, ngZone, platform, globalOptions, animationMode) {\n        this._elementRef = _elementRef;\n        /**\n         * If set, the radius in pixels of foreground ripples when fully expanded. If unset, the radius\n         * will be the distance from the center of the ripple to the furthest corner of the host element's\n         * bounding rectangle.\n         */\n        this.radius = 0;\n        this._disabled = false;\n        /** Whether ripple directive is initialized and the input bindings are set. */\n        this._isInitialized = false;\n        this._globalOptions = globalOptions || {};\n        this._rippleRenderer = new RippleRenderer(this, ngZone, _elementRef, platform);\n        if (animationMode === 'NoopAnimations') {\n            this._globalOptions.animation = { enterDuration: 0, exitDuration: 0 };\n        }\n    }\n    Object.defineProperty(MatRipple.prototype, \"disabled\", {\n        /**\n         * Whether click events will not trigger the ripple. Ripples can be still launched manually\n         * by using the `launch()` method.\n         */\n        get: function () { return this._disabled; },\n        set: function (value) {\n            this._disabled = value;\n            this._setupTriggerEventsIfEnabled();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatRipple.prototype, \"trigger\", {\n        /**\n         * The element that triggers the ripple when click events are received.\n         * Defaults to the directive's host element.\n         */\n        get: function () { return this._trigger || this._elementRef.nativeElement; },\n        set: function (trigger) {\n            this._trigger = trigger;\n            this._setupTriggerEventsIfEnabled();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatRipple.prototype.ngOnInit = function () {\n        this._isInitialized = true;\n        this._setupTriggerEventsIfEnabled();\n    };\n    MatRipple.prototype.ngOnDestroy = function () {\n        this._rippleRenderer._removeTriggerEvents();\n    };\n    /** Fades out all currently showing ripple elements. */\n    MatRipple.prototype.fadeOutAll = function () {\n        this._rippleRenderer.fadeOutAll();\n    };\n    Object.defineProperty(MatRipple.prototype, \"rippleConfig\", {\n        /**\n         * Ripple configuration from the directive's input values.\n         * @docs-private Implemented as part of RippleTarget\n         */\n        get: function () {\n            return {\n                centered: this.centered,\n                radius: this.radius,\n                color: this.color,\n                animation: __assign(__assign({}, this._globalOptions.animation), this.animation),\n                terminateOnPointerUp: this._globalOptions.terminateOnPointerUp,\n            };\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatRipple.prototype, \"rippleDisabled\", {\n        /**\n         * Whether ripples on pointer-down are disabled or not.\n         * @docs-private Implemented as part of RippleTarget\n         */\n        get: function () {\n            return this.disabled || !!this._globalOptions.disabled;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** Sets up the trigger event listeners if ripples are enabled. */\n    MatRipple.prototype._setupTriggerEventsIfEnabled = function () {\n        if (!this.disabled && this._isInitialized) {\n            this._rippleRenderer.setupTriggerEvents(this.trigger);\n        }\n    };\n    /** Launches a manual ripple at the specified coordinated or just by the ripple config. */\n    MatRipple.prototype.launch = function (configOrX, y, config) {\n        if (y === void 0) { y = 0; }\n        if (typeof configOrX === 'number') {\n            return this._rippleRenderer.fadeInRipple(configOrX, y, __assign(__assign({}, this.rippleConfig), config));\n        }\n        else {\n            return this._rippleRenderer.fadeInRipple(0, 0, __assign(__assign({}, this.rippleConfig), configOrX));\n        }\n    };\n    MatRipple.decorators = [\n        { type: Directive, args: [{\n                    selector: '[mat-ripple], [matRipple]',\n                    exportAs: 'matRipple',\n                    host: {\n                        'class': 'mat-ripple',\n                        '[class.mat-ripple-unbounded]': 'unbounded'\n                    }\n                },] }\n    ];\n    /** @nocollapse */\n    MatRipple.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: NgZone },\n        { type: Platform },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_RIPPLE_GLOBAL_OPTIONS,] }] },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    MatRipple.propDecorators = {\n        color: [{ type: Input, args: ['matRippleColor',] }],\n        unbounded: [{ type: Input, args: ['matRippleUnbounded',] }],\n        centered: [{ type: Input, args: ['matRippleCentered',] }],\n        radius: [{ type: Input, args: ['matRippleRadius',] }],\n        animation: [{ type: Input, args: ['matRippleAnimation',] }],\n        disabled: [{ type: Input, args: ['matRippleDisabled',] }],\n        trigger: [{ type: Input, args: ['matRippleTrigger',] }]\n    };\n    return MatRipple;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatRippleModule = /** @class */ (function () {\n    function MatRippleModule() {\n    }\n    MatRippleModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [MatCommonModule, PlatformModule],\n                    exports: [MatRipple, MatCommonModule],\n                    declarations: [MatRipple],\n                },] }\n    ];\n    return MatRippleModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Component that shows a simplified checkbox without including any kind of \"real\" checkbox.\n * Meant to be used when the checkbox is purely decorative and a large number of them will be\n * included, such as for the options in a multi-select. Uses no SVGs or complex animations.\n * Note that theming is meant to be handled by the parent element, e.g.\n * `mat-primary .mat-pseudo-checkbox`.\n *\n * Note that this component will be completely invisible to screen-reader users. This is *not*\n * interchangeable with `<mat-checkbox>` and should *not* be used if the user would directly\n * interact with the checkbox. The pseudo-checkbox should only be used as an implementation detail\n * of more complex components that appropriately handle selected / checked state.\n * @docs-private\n */\nvar MatPseudoCheckbox = /** @class */ (function () {\n    function MatPseudoCheckbox(_animationMode) {\n        this._animationMode = _animationMode;\n        /** Display state of the checkbox. */\n        this.state = 'unchecked';\n        /** Whether the checkbox is disabled. */\n        this.disabled = false;\n    }\n    MatPseudoCheckbox.decorators = [\n        { type: Component, args: [{\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    selector: 'mat-pseudo-checkbox',\n                    template: '',\n                    host: {\n                        'class': 'mat-pseudo-checkbox',\n                        '[class.mat-pseudo-checkbox-indeterminate]': 'state === \"indeterminate\"',\n                        '[class.mat-pseudo-checkbox-checked]': 'state === \"checked\"',\n                        '[class.mat-pseudo-checkbox-disabled]': 'disabled',\n                        '[class._mat-animation-noopable]': '_animationMode === \"NoopAnimations\"',\n                    },\n                    styles: [\".mat-pseudo-checkbox{width:16px;height:16px;border:2px solid;border-radius:2px;cursor:pointer;display:inline-block;vertical-align:middle;box-sizing:border-box;position:relative;flex-shrink:0;transition:border-color 90ms cubic-bezier(0, 0, 0.2, 0.1),background-color 90ms cubic-bezier(0, 0, 0.2, 0.1)}.mat-pseudo-checkbox::after{position:absolute;opacity:0;content:\\\"\\\";border-bottom:2px solid currentColor;transition:opacity 90ms cubic-bezier(0, 0, 0.2, 0.1)}.mat-pseudo-checkbox.mat-pseudo-checkbox-checked,.mat-pseudo-checkbox.mat-pseudo-checkbox-indeterminate{border-color:transparent}._mat-animation-noopable.mat-pseudo-checkbox{transition:none;animation:none}._mat-animation-noopable.mat-pseudo-checkbox::after{transition:none}.mat-pseudo-checkbox-disabled{cursor:default}.mat-pseudo-checkbox-indeterminate::after{top:5px;left:1px;width:10px;opacity:1;border-radius:2px}.mat-pseudo-checkbox-checked::after{top:2.4px;left:1px;width:8px;height:3px;border-left:2px solid currentColor;transform:rotate(-45deg);opacity:1;box-sizing:content-box}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatPseudoCheckbox.ctorParameters = function () { return [\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    MatPseudoCheckbox.propDecorators = {\n        state: [{ type: Input }],\n        disabled: [{ type: Input }]\n    };\n    return MatPseudoCheckbox;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatPseudoCheckboxModule = /** @class */ (function () {\n    function MatPseudoCheckboxModule() {\n    }\n    MatPseudoCheckboxModule.decorators = [\n        { type: NgModule, args: [{\n                    exports: [MatPseudoCheckbox],\n                    declarations: [MatPseudoCheckbox]\n                },] }\n    ];\n    return MatPseudoCheckboxModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Boilerplate for applying mixins to MatOptgroup.\n/** @docs-private */\nvar MatOptgroupBase = /** @class */ (function () {\n    function MatOptgroupBase() {\n    }\n    return MatOptgroupBase;\n}());\nvar _MatOptgroupMixinBase = mixinDisabled(MatOptgroupBase);\n// Counter for unique group ids.\nvar _uniqueOptgroupIdCounter = 0;\n/**\n * Component that is used to group instances of `mat-option`.\n */\nvar MatOptgroup = /** @class */ (function (_super) {\n    __extends(MatOptgroup, _super);\n    function MatOptgroup() {\n        var _this = _super !== null && _super.apply(this, arguments) || this;\n        /** Unique id for the underlying label. */\n        _this._labelId = \"mat-optgroup-label-\" + _uniqueOptgroupIdCounter++;\n        return _this;\n    }\n    MatOptgroup.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-optgroup',\n                    exportAs: 'matOptgroup',\n                    template: \"<label class=\\\"mat-optgroup-label\\\" [id]=\\\"_labelId\\\">{{ label }} <ng-content></ng-content></label>\\n<ng-content select=\\\"mat-option, ng-container\\\"></ng-content>\\n\",\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    inputs: ['disabled'],\n                    host: {\n                        'class': 'mat-optgroup',\n                        'role': 'group',\n                        '[class.mat-optgroup-disabled]': 'disabled',\n                        '[attr.aria-disabled]': 'disabled.toString()',\n                        '[attr.aria-labelledby]': '_labelId',\n                    },\n                    styles: [\".mat-optgroup-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;line-height:48px;height:48px;padding:0 16px;text-align:left;text-decoration:none;max-width:100%;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:default}.mat-optgroup-label[disabled]{cursor:default}[dir=rtl] .mat-optgroup-label{text-align:right}.mat-optgroup-label .mat-icon{margin-right:16px;vertical-align:middle}.mat-optgroup-label .mat-icon svg{vertical-align:top}[dir=rtl] .mat-optgroup-label .mat-icon{margin-left:16px;margin-right:0}\\n\"]\n                }] }\n    ];\n    MatOptgroup.propDecorators = {\n        label: [{ type: Input }]\n    };\n    return MatOptgroup;\n}(_MatOptgroupMixinBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Option IDs need to be unique across components, so this counter exists outside of\n * the component definition.\n */\nvar _uniqueIdCounter = 0;\n/** Event object emitted by MatOption when selected or deselected. */\nvar MatOptionSelectionChange = /** @class */ (function () {\n    function MatOptionSelectionChange(\n    /** Reference to the option that emitted the event. */\n    source, \n    /** Whether the change in the option's value was a result of a user action. */\n    isUserInput) {\n        if (isUserInput === void 0) { isUserInput = false; }\n        this.source = source;\n        this.isUserInput = isUserInput;\n    }\n    return MatOptionSelectionChange;\n}());\n/**\n * Injection token used to provide the parent component to options.\n */\nvar MAT_OPTION_PARENT_COMPONENT = new InjectionToken('MAT_OPTION_PARENT_COMPONENT');\n/**\n * Single option inside of a `<mat-select>` element.\n */\nvar MatOption = /** @class */ (function () {\n    function MatOption(_element, _changeDetectorRef, _parent, group) {\n        this._element = _element;\n        this._changeDetectorRef = _changeDetectorRef;\n        this._parent = _parent;\n        this.group = group;\n        this._selected = false;\n        this._active = false;\n        this._disabled = false;\n        this._mostRecentViewValue = '';\n        /** The unique ID of the option. */\n        this.id = \"mat-option-\" + _uniqueIdCounter++;\n        /** Event emitted when the option is selected or deselected. */\n        // tslint:disable-next-line:no-output-on-prefix\n        this.onSelectionChange = new EventEmitter();\n        /** Emits when the state of the option changes and any parents have to be notified. */\n        this._stateChanges = new Subject();\n    }\n    Object.defineProperty(MatOption.prototype, \"multiple\", {\n        /** Whether the wrapping component is in multiple selection mode. */\n        get: function () { return this._parent && this._parent.multiple; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatOption.prototype, \"selected\", {\n        /** Whether or not the option is currently selected. */\n        get: function () { return this._selected; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatOption.prototype, \"disabled\", {\n        /** Whether the option is disabled. */\n        get: function () { return (this.group && this.group.disabled) || this._disabled; },\n        set: function (value) { this._disabled = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatOption.prototype, \"disableRipple\", {\n        /** Whether ripples for the option are disabled. */\n        get: function () { return this._parent && this._parent.disableRipple; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatOption.prototype, \"active\", {\n        /**\n         * Whether or not the option is currently active and ready to be selected.\n         * An active option displays styles as if it is focused, but the\n         * focus is actually retained somewhere else. This comes in handy\n         * for components like autocomplete where focus must remain on the input.\n         */\n        get: function () {\n            return this._active;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatOption.prototype, \"viewValue\", {\n        /**\n         * The displayed value of the option. It is necessary to show the selected option in the\n         * select's trigger.\n         */\n        get: function () {\n            // TODO(kara): Add input property alternative for node envs.\n            return (this._getHostElement().textContent || '').trim();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** Selects the option. */\n    MatOption.prototype.select = function () {\n        if (!this._selected) {\n            this._selected = true;\n            this._changeDetectorRef.markForCheck();\n            this._emitSelectionChangeEvent();\n        }\n    };\n    /** Deselects the option. */\n    MatOption.prototype.deselect = function () {\n        if (this._selected) {\n            this._selected = false;\n            this._changeDetectorRef.markForCheck();\n            this._emitSelectionChangeEvent();\n        }\n    };\n    /** Sets focus onto this option. */\n    MatOption.prototype.focus = function (_origin, options) {\n        // Note that we aren't using `_origin`, but we need to keep it because some internal consumers\n        // use `MatOption` in a `FocusKeyManager` and we need it to match `FocusableOption`.\n        var element = this._getHostElement();\n        if (typeof element.focus === 'function') {\n            element.focus(options);\n        }\n    };\n    /**\n     * This method sets display styles on the option to make it appear\n     * active. This is used by the ActiveDescendantKeyManager so key\n     * events will display the proper options as active on arrow key events.\n     */\n    MatOption.prototype.setActiveStyles = function () {\n        if (!this._active) {\n            this._active = true;\n            this._changeDetectorRef.markForCheck();\n        }\n    };\n    /**\n     * This method removes display styles on the option that made it appear\n     * active. This is used by the ActiveDescendantKeyManager so key\n     * events will display the proper options as active on arrow key events.\n     */\n    MatOption.prototype.setInactiveStyles = function () {\n        if (this._active) {\n            this._active = false;\n            this._changeDetectorRef.markForCheck();\n        }\n    };\n    /** Gets the label to be used when determining whether the option should be focused. */\n    MatOption.prototype.getLabel = function () {\n        return this.viewValue;\n    };\n    /** Ensures the option is selected when activated from the keyboard. */\n    MatOption.prototype._handleKeydown = function (event) {\n        if ((event.keyCode === ENTER || event.keyCode === SPACE) && !hasModifierKey(event)) {\n            this._selectViaInteraction();\n            // Prevent the page from scrolling down and form submits.\n            event.preventDefault();\n        }\n    };\n    /**\n     * `Selects the option while indicating the selection came from the user. Used to\n     * determine if the select's view -> model callback should be invoked.`\n     */\n    MatOption.prototype._selectViaInteraction = function () {\n        if (!this.disabled) {\n            this._selected = this.multiple ? !this._selected : true;\n            this._changeDetectorRef.markForCheck();\n            this._emitSelectionChangeEvent(true);\n        }\n    };\n    /**\n     * Gets the `aria-selected` value for the option. We explicitly omit the `aria-selected`\n     * attribute from single-selection, unselected options. Including the `aria-selected=\"false\"`\n     * attributes adds a significant amount of noise to screen-reader users without providing useful\n     * information.\n     */\n    MatOption.prototype._getAriaSelected = function () {\n        return this.selected || (this.multiple ? false : null);\n    };\n    /** Returns the correct tabindex for the option depending on disabled state. */\n    MatOption.prototype._getTabIndex = function () {\n        return this.disabled ? '-1' : '0';\n    };\n    /** Gets the host DOM element. */\n    MatOption.prototype._getHostElement = function () {\n        return this._element.nativeElement;\n    };\n    MatOption.prototype.ngAfterViewChecked = function () {\n        // Since parent components could be using the option's label to display the selected values\n        // (e.g. `mat-select`) and they don't have a way of knowing if the option's label has changed\n        // we have to check for changes in the DOM ourselves and dispatch an event. These checks are\n        // relatively cheap, however we still limit them only to selected options in order to avoid\n        // hitting the DOM too often.\n        if (this._selected) {\n            var viewValue = this.viewValue;\n            if (viewValue !== this._mostRecentViewValue) {\n                this._mostRecentViewValue = viewValue;\n                this._stateChanges.next();\n            }\n        }\n    };\n    MatOption.prototype.ngOnDestroy = function () {\n        this._stateChanges.complete();\n    };\n    /** Emits the selection change event. */\n    MatOption.prototype._emitSelectionChangeEvent = function (isUserInput) {\n        if (isUserInput === void 0) { isUserInput = false; }\n        this.onSelectionChange.emit(new MatOptionSelectionChange(this, isUserInput));\n    };\n    MatOption.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-option',\n                    exportAs: 'matOption',\n                    host: {\n                        'role': 'option',\n                        '[attr.tabindex]': '_getTabIndex()',\n                        '[class.mat-selected]': 'selected',\n                        '[class.mat-option-multiple]': 'multiple',\n                        '[class.mat-active]': 'active',\n                        '[id]': 'id',\n                        '[attr.aria-selected]': '_getAriaSelected()',\n                        '[attr.aria-disabled]': 'disabled.toString()',\n                        '[class.mat-option-disabled]': 'disabled',\n                        '(click)': '_selectViaInteraction()',\n                        '(keydown)': '_handleKeydown($event)',\n                        'class': 'mat-option',\n                    },\n                    template: \"<mat-pseudo-checkbox *ngIf=\\\"multiple\\\" class=\\\"mat-option-pseudo-checkbox\\\"\\n    [state]=\\\"selected ? 'checked' : 'unchecked'\\\" [disabled]=\\\"disabled\\\"></mat-pseudo-checkbox>\\n\\n<span class=\\\"mat-option-text\\\"><ng-content></ng-content></span>\\n\\n<div class=\\\"mat-option-ripple\\\" mat-ripple\\n     [matRippleTrigger]=\\\"_getHostElement()\\\"\\n     [matRippleDisabled]=\\\"disabled || disableRipple\\\">\\n</div>\\n\",\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    styles: [\".mat-option{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;line-height:48px;height:48px;padding:0 16px;text-align:left;text-decoration:none;max-width:100%;position:relative;cursor:pointer;outline:none;display:flex;flex-direction:row;max-width:100%;box-sizing:border-box;align-items:center;-webkit-tap-highlight-color:transparent}.mat-option[disabled]{cursor:default}[dir=rtl] .mat-option{text-align:right}.mat-option .mat-icon{margin-right:16px;vertical-align:middle}.mat-option .mat-icon svg{vertical-align:top}[dir=rtl] .mat-option .mat-icon{margin-left:16px;margin-right:0}.mat-option[aria-disabled=true]{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:default}.mat-optgroup .mat-option:not(.mat-option-multiple){padding-left:32px}[dir=rtl] .mat-optgroup .mat-option:not(.mat-option-multiple){padding-left:16px;padding-right:32px}.cdk-high-contrast-active .mat-option{margin:0 1px}.cdk-high-contrast-active .mat-option.mat-active{border:solid 1px currentColor;margin:0}.mat-option-text{display:inline-block;flex-grow:1;overflow:hidden;text-overflow:ellipsis}.mat-option .mat-option-ripple{top:0;left:0;right:0;bottom:0;position:absolute;pointer-events:none}.cdk-high-contrast-active .mat-option .mat-option-ripple{opacity:.5}.mat-option-pseudo-checkbox{margin-right:8px}[dir=rtl] .mat-option-pseudo-checkbox{margin-left:8px;margin-right:0}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatOption.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: ChangeDetectorRef },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_OPTION_PARENT_COMPONENT,] }] },\n        { type: MatOptgroup, decorators: [{ type: Optional }] }\n    ]; };\n    MatOption.propDecorators = {\n        value: [{ type: Input }],\n        id: [{ type: Input }],\n        disabled: [{ type: Input }],\n        onSelectionChange: [{ type: Output }]\n    };\n    return MatOption;\n}());\n/**\n * Counts the amount of option group labels that precede the specified option.\n * @param optionIndex Index of the option at which to start counting.\n * @param options Flat list of all of the options.\n * @param optionGroups Flat list of all of the option groups.\n * @docs-private\n */\nfunction _countGroupLabelsBeforeOption(optionIndex, options, optionGroups) {\n    if (optionGroups.length) {\n        var optionsArray = options.toArray();\n        var groups = optionGroups.toArray();\n        var groupCounter = 0;\n        for (var i = 0; i < optionIndex + 1; i++) {\n            if (optionsArray[i].group && optionsArray[i].group === groups[groupCounter]) {\n                groupCounter++;\n            }\n        }\n        return groupCounter;\n    }\n    return 0;\n}\n/**\n * Determines the position to which to scroll a panel in order for an option to be into view.\n * @param optionIndex Index of the option to be scrolled into the view.\n * @param optionHeight Height of the options.\n * @param currentScrollPosition Current scroll position of the panel.\n * @param panelHeight Height of the panel.\n * @docs-private\n */\nfunction _getOptionScrollPosition(optionIndex, optionHeight, currentScrollPosition, panelHeight) {\n    var optionOffset = optionIndex * optionHeight;\n    if (optionOffset < currentScrollPosition) {\n        return optionOffset;\n    }\n    if (optionOffset + optionHeight > currentScrollPosition + panelHeight) {\n        return Math.max(0, optionOffset - panelHeight + optionHeight);\n    }\n    return currentScrollPosition;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatOptionModule = /** @class */ (function () {\n    function MatOptionModule() {\n    }\n    MatOptionModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [MatRippleModule, CommonModule, MatPseudoCheckboxModule],\n                    exports: [MatOption, MatOptgroup],\n                    declarations: [MatOption, MatOptgroup]\n                },] }\n    ];\n    return MatOptionModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** InjectionToken that can be used to specify the global label options. */\nvar MAT_LABEL_GLOBAL_OPTIONS = new InjectionToken('mat-label-global-options');\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * When constructing a Date, the month is zero-based. This can be confusing, since people are\n * used to seeing them one-based. So we create these aliases to make writing the tests easier.\n * @docs-private\n * @breaking-change 8.0.0 Remove this with V8 since it was only targeted for testing.\n */\nvar JAN = 0, FEB = 1, MAR = 2, APR = 3, MAY = 4, JUN = 5, JUL = 6, AUG = 7, SEP = 8, OCT = 9, NOV = 10, DEC = 11;\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { APR, AUG, AnimationCurves, AnimationDurations, DEC, DateAdapter, ErrorStateMatcher, FEB, GestureConfig, JAN, JUL, JUN, MAR, MATERIAL_SANITY_CHECKS, MAT_DATE_FORMATS, MAT_DATE_LOCALE, MAT_DATE_LOCALE_FACTORY, MAT_DATE_LOCALE_PROVIDER, MAT_HAMMER_OPTIONS, MAT_LABEL_GLOBAL_OPTIONS, MAT_NATIVE_DATE_FORMATS, MAT_OPTION_PARENT_COMPONENT, MAT_RIPPLE_GLOBAL_OPTIONS, MAY, MatCommonModule, MatLine, MatLineModule, MatLineSetter, MatNativeDateModule, MatOptgroup, MatOption, MatOptionModule, MatOptionSelectionChange, MatPseudoCheckbox, MatPseudoCheckboxModule, MatRipple, MatRippleModule, NOV, NativeDateAdapter, NativeDateModule, OCT, RippleRef, RippleRenderer, RippleState, SEP, ShowOnDirtyErrorStateMatcher, VERSION, _countGroupLabelsBeforeOption, _getOptionScrollPosition, defaultRippleAnimationConfig, mixinColor, mixinDisableRipple, mixinDisabled, mixinErrorState, mixinInitialized, mixinTabIndex, setLines, ɵ0$1 as ɵ0, ɵ1, MATERIAL_SANITY_CHECKS_FACTORY as ɵangular_material_src_material_core_core_a };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Helper for model references.\n * There are many manners to refer axis/coordSys.\n */\n// TODO\n// merge relevant logic to this file?\n// check: \"modelHelper\" of tooltip and \"BrushTargetManager\".\nimport { createHashMap, retrieve, each } from 'zrender/lib/core/util';\nimport { SINGLE_REFERRING } from '../util/model';\n/**\n * @class\n * For example:\n * {\n *     coordSysName: 'cartesian2d',\n *     coordSysDims: ['x', 'y', ...],\n *     axisMap: HashMap({\n *         x: xAxisModel,\n *         y: yAxisModel\n *     }),\n *     categoryAxisMap: HashMap({\n *         x: xAxisModel,\n *         y: undefined\n *     }),\n *     // The index of the first category axis in `coordSysDims`.\n *     // `null/undefined` means no category axis exists.\n *     firstCategoryDimIndex: 1,\n *     // To replace user specified encode.\n * }\n */\n\nvar CoordSysInfo =\n/** @class */\nfunction () {\n  function CoordSysInfo(coordSysName) {\n    this.coordSysDims = [];\n    this.axisMap = createHashMap();\n    this.categoryAxisMap = createHashMap();\n    this.coordSysName = coordSysName;\n  }\n\n  return CoordSysInfo;\n}();\n\nexport function getCoordSysInfoBySeries(seriesModel) {\n  var coordSysName = seriesModel.get('coordinateSystem');\n  var result = new CoordSysInfo(coordSysName);\n  var fetch = fetchers[coordSysName];\n\n  if (fetch) {\n    fetch(seriesModel, result, result.axisMap, result.categoryAxisMap);\n    return result;\n  }\n}\nvar fetchers = {\n  cartesian2d: function (seriesModel, result, axisMap, categoryAxisMap) {\n    var xAxisModel = seriesModel.getReferringComponents('xAxis', SINGLE_REFERRING).models[0];\n    var yAxisModel = seriesModel.getReferringComponents('yAxis', SINGLE_REFERRING).models[0];\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (!xAxisModel) {\n        throw new Error('xAxis \"' + retrieve(seriesModel.get('xAxisIndex'), seriesModel.get('xAxisId'), 0) + '\" not found');\n      }\n\n      if (!yAxisModel) {\n        throw new Error('yAxis \"' + retrieve(seriesModel.get('xAxisIndex'), seriesModel.get('yAxisId'), 0) + '\" not found');\n      }\n    }\n\n    result.coordSysDims = ['x', 'y'];\n    axisMap.set('x', xAxisModel);\n    axisMap.set('y', yAxisModel);\n\n    if (isCategory(xAxisModel)) {\n      categoryAxisMap.set('x', xAxisModel);\n      result.firstCategoryDimIndex = 0;\n    }\n\n    if (isCategory(yAxisModel)) {\n      categoryAxisMap.set('y', yAxisModel);\n      result.firstCategoryDimIndex == null && (result.firstCategoryDimIndex = 1);\n    }\n  },\n  singleAxis: function (seriesModel, result, axisMap, categoryAxisMap) {\n    var singleAxisModel = seriesModel.getReferringComponents('singleAxis', SINGLE_REFERRING).models[0];\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (!singleAxisModel) {\n        throw new Error('singleAxis should be specified.');\n      }\n    }\n\n    result.coordSysDims = ['single'];\n    axisMap.set('single', singleAxisModel);\n\n    if (isCategory(singleAxisModel)) {\n      categoryAxisMap.set('single', singleAxisModel);\n      result.firstCategoryDimIndex = 0;\n    }\n  },\n  polar: function (seriesModel, result, axisMap, categoryAxisMap) {\n    var polarModel = seriesModel.getReferringComponents('polar', SINGLE_REFERRING).models[0];\n    var radiusAxisModel = polarModel.findAxisModel('radiusAxis');\n    var angleAxisModel = polarModel.findAxisModel('angleAxis');\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (!angleAxisModel) {\n        throw new Error('angleAxis option not found');\n      }\n\n      if (!radiusAxisModel) {\n        throw new Error('radiusAxis option not found');\n      }\n    }\n\n    result.coordSysDims = ['radius', 'angle'];\n    axisMap.set('radius', radiusAxisModel);\n    axisMap.set('angle', angleAxisModel);\n\n    if (isCategory(radiusAxisModel)) {\n      categoryAxisMap.set('radius', radiusAxisModel);\n      result.firstCategoryDimIndex = 0;\n    }\n\n    if (isCategory(angleAxisModel)) {\n      categoryAxisMap.set('angle', angleAxisModel);\n      result.firstCategoryDimIndex == null && (result.firstCategoryDimIndex = 1);\n    }\n  },\n  geo: function (seriesModel, result, axisMap, categoryAxisMap) {\n    result.coordSysDims = ['lng', 'lat'];\n  },\n  parallel: function (seriesModel, result, axisMap, categoryAxisMap) {\n    var ecModel = seriesModel.ecModel;\n    var parallelModel = ecModel.getComponent('parallel', seriesModel.get('parallelIndex'));\n    var coordSysDims = result.coordSysDims = parallelModel.dimensions.slice();\n    each(parallelModel.parallelAxisIndex, function (axisIndex, index) {\n      var axisModel = ecModel.getComponent('parallelAxis', axisIndex);\n      var axisDim = coordSysDims[index];\n      axisMap.set(axisDim, axisModel);\n\n      if (isCategory(axisModel)) {\n        categoryAxisMap.set(axisDim, axisModel);\n\n        if (result.firstCategoryDimIndex == null) {\n          result.firstCategoryDimIndex = index;\n        }\n      }\n    });\n  }\n};\n\nfunction isCategory(axisModel) {\n  return axisModel.get('type') === 'category';\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport List from '../../data/List';\nimport createDimensions from '../../data/helper/createDimensions';\nimport { getDimensionTypeByAxis } from '../../data/helper/dimensionHelper';\nimport { getDataItemValue } from '../../util/model';\nimport CoordinateSystem from '../../core/CoordinateSystem';\nimport { getCoordSysInfoBySeries } from '../../model/referHelper';\nimport { createSourceFromSeriesDataOption, isSourceInstance } from '../../data/Source';\nimport { enableDataStack } from '../../data/helper/dataStackHelper';\nimport { makeSeriesEncodeForAxisCoordSys } from '../../data/helper/sourceHelper';\nimport { SOURCE_FORMAT_ORIGINAL } from '../../util/types';\n\nfunction createListFromArray(source, seriesModel, opt) {\n  opt = opt || {};\n\n  if (!isSourceInstance(source)) {\n    source = createSourceFromSeriesDataOption(source);\n  }\n\n  var coordSysName = seriesModel.get('coordinateSystem');\n  var registeredCoordSys = CoordinateSystem.get(coordSysName);\n  var coordSysInfo = getCoordSysInfoBySeries(seriesModel);\n  var coordSysDimDefs;\n\n  if (coordSysInfo && coordSysInfo.coordSysDims) {\n    coordSysDimDefs = zrUtil.map(coordSysInfo.coordSysDims, function (dim) {\n      var dimInfo = {\n        name: dim\n      };\n      var axisModel = coordSysInfo.axisMap.get(dim);\n\n      if (axisModel) {\n        var axisType = axisModel.get('type');\n        dimInfo.type = getDimensionTypeByAxis(axisType); // dimInfo.stackable = isStackable(axisType);\n      }\n\n      return dimInfo;\n    });\n  }\n\n  if (!coordSysDimDefs) {\n    // Get dimensions from registered coordinate system\n    coordSysDimDefs = registeredCoordSys && (registeredCoordSys.getDimensionsInfo ? registeredCoordSys.getDimensionsInfo() : registeredCoordSys.dimensions.slice()) || ['x', 'y'];\n  }\n\n  var useEncodeDefaulter = opt.useEncodeDefaulter;\n  var dimInfoList = createDimensions(source, {\n    coordDimensions: coordSysDimDefs,\n    generateCoord: opt.generateCoord,\n    encodeDefaulter: zrUtil.isFunction(useEncodeDefaulter) ? useEncodeDefaulter : useEncodeDefaulter ? zrUtil.curry(makeSeriesEncodeForAxisCoordSys, coordSysDimDefs, seriesModel) : null\n  });\n  var firstCategoryDimIndex;\n  var hasNameEncode;\n  coordSysInfo && zrUtil.each(dimInfoList, function (dimInfo, dimIndex) {\n    var coordDim = dimInfo.coordDim;\n    var categoryAxisModel = coordSysInfo.categoryAxisMap.get(coordDim);\n\n    if (categoryAxisModel) {\n      if (firstCategoryDimIndex == null) {\n        firstCategoryDimIndex = dimIndex;\n      }\n\n      dimInfo.ordinalMeta = categoryAxisModel.getOrdinalMeta();\n\n      if (opt.createInvertedIndices) {\n        dimInfo.createInvertedIndices = true;\n      }\n    }\n\n    if (dimInfo.otherDims.itemName != null) {\n      hasNameEncode = true;\n    }\n  });\n\n  if (!hasNameEncode && firstCategoryDimIndex != null) {\n    dimInfoList[firstCategoryDimIndex].otherDims.itemName = 0;\n  }\n\n  var stackCalculationInfo = enableDataStack(seriesModel, dimInfoList);\n  var list = new List(dimInfoList, seriesModel);\n  list.setCalculationInfo(stackCalculationInfo);\n  var dimValueGetter = firstCategoryDimIndex != null && isNeedCompleteOrdinalData(source) ? function (itemOpt, dimName, dataIndex, dimIndex) {\n    // Use dataIndex as ordinal value in categoryAxis\n    return dimIndex === firstCategoryDimIndex ? dataIndex : this.defaultDimValueGetter(itemOpt, dimName, dataIndex, dimIndex);\n  } : null;\n  list.hasItemOption = false;\n  list.initData(source, null, dimValueGetter);\n  return list;\n}\n\nfunction isNeedCompleteOrdinalData(source) {\n  if (source.sourceFormat === SOURCE_FORMAT_ORIGINAL) {\n    var sampleItem = firstDataNotNull(source.data || []);\n    return sampleItem != null && !zrUtil.isArray(getDataItemValue(sampleItem));\n  }\n}\n\nfunction firstDataNotNull(data) {\n  var i = 0;\n\n  while (i < data.length && data[i] == null) {\n    i++;\n  }\n\n  return data[i];\n}\n\nexport default createListFromArray;","import PathProxy from '../core/PathProxy';\nimport { applyTransform as v2ApplyTransform } from '../core/vector';\nvar CMD = PathProxy.CMD;\nvar points = [[], [], []];\nvar mathSqrt = Math.sqrt;\nvar mathAtan2 = Math.atan2;\nexport default function transformPath(path, m) {\n    var data = path.data;\n    var len = path.len();\n    var cmd;\n    var nPoint;\n    var i;\n    var j;\n    var k;\n    var p;\n    var M = CMD.M;\n    var C = CMD.C;\n    var L = CMD.L;\n    var R = CMD.R;\n    var A = CMD.A;\n    var Q = CMD.Q;\n    for (i = 0, j = 0; i < len;) {\n        cmd = data[i++];\n        j = i;\n        nPoint = 0;\n        switch (cmd) {\n            case M:\n                nPoint = 1;\n                break;\n            case L:\n                nPoint = 1;\n                break;\n            case C:\n                nPoint = 3;\n                break;\n            case Q:\n                nPoint = 2;\n                break;\n            case A:\n                var x = m[4];\n                var y = m[5];\n                var sx = mathSqrt(m[0] * m[0] + m[1] * m[1]);\n                var sy = mathSqrt(m[2] * m[2] + m[3] * m[3]);\n                var angle = mathAtan2(-m[1] / sy, m[0] / sx);\n                data[i] *= sx;\n                data[i++] += x;\n                data[i] *= sy;\n                data[i++] += y;\n                data[i++] *= sx;\n                data[i++] *= sy;\n                data[i++] += angle;\n                data[i++] += angle;\n                i += 2;\n                j = i;\n                break;\n            case R:\n                p[0] = data[i++];\n                p[1] = data[i++];\n                v2ApplyTransform(p, p, m);\n                data[j++] = p[0];\n                data[j++] = p[1];\n                p[0] += data[i++];\n                p[1] += data[i++];\n                v2ApplyTransform(p, p, m);\n                data[j++] = p[0];\n                data[j++] = p[1];\n        }\n        for (k = 0; k < nPoint; k++) {\n            var p_1 = points[k];\n            p_1[0] = data[i++];\n            p_1[1] = data[i++];\n            v2ApplyTransform(p_1, p_1, m);\n            data[j++] = p_1[0];\n            data[j++] = p_1[1];\n        }\n    }\n    path.increaseVersion();\n}\n","import { __extends } from \"tslib\";\nimport Path from '../graphic/Path';\nimport PathProxy from '../core/PathProxy';\nimport transformPath from './transformPath';\nimport { extend } from '../core/util';\nvar mathSqrt = Math.sqrt;\nvar mathSin = Math.sin;\nvar mathCos = Math.cos;\nvar PI = Math.PI;\nfunction vMag(v) {\n    return Math.sqrt(v[0] * v[0] + v[1] * v[1]);\n}\n;\nfunction vRatio(u, v) {\n    return (u[0] * v[0] + u[1] * v[1]) / (vMag(u) * vMag(v));\n}\n;\nfunction vAngle(u, v) {\n    return (u[0] * v[1] < u[1] * v[0] ? -1 : 1)\n        * Math.acos(vRatio(u, v));\n}\n;\nfunction processArc(x1, y1, x2, y2, fa, fs, rx, ry, psiDeg, cmd, path) {\n    var psi = psiDeg * (PI / 180.0);\n    var xp = mathCos(psi) * (x1 - x2) / 2.0\n        + mathSin(psi) * (y1 - y2) / 2.0;\n    var yp = -1 * mathSin(psi) * (x1 - x2) / 2.0\n        + mathCos(psi) * (y1 - y2) / 2.0;\n    var lambda = (xp * xp) / (rx * rx) + (yp * yp) / (ry * ry);\n    if (lambda > 1) {\n        rx *= mathSqrt(lambda);\n        ry *= mathSqrt(lambda);\n    }\n    var f = (fa === fs ? -1 : 1)\n        * mathSqrt((((rx * rx) * (ry * ry))\n            - ((rx * rx) * (yp * yp))\n            - ((ry * ry) * (xp * xp))) / ((rx * rx) * (yp * yp)\n            + (ry * ry) * (xp * xp))) || 0;\n    var cxp = f * rx * yp / ry;\n    var cyp = f * -ry * xp / rx;\n    var cx = (x1 + x2) / 2.0\n        + mathCos(psi) * cxp\n        - mathSin(psi) * cyp;\n    var cy = (y1 + y2) / 2.0\n        + mathSin(psi) * cxp\n        + mathCos(psi) * cyp;\n    var theta = vAngle([1, 0], [(xp - cxp) / rx, (yp - cyp) / ry]);\n    var u = [(xp - cxp) / rx, (yp - cyp) / ry];\n    var v = [(-1 * xp - cxp) / rx, (-1 * yp - cyp) / ry];\n    var dTheta = vAngle(u, v);\n    if (vRatio(u, v) <= -1) {\n        dTheta = PI;\n    }\n    if (vRatio(u, v) >= 1) {\n        dTheta = 0;\n    }\n    if (dTheta < 0) {\n        var n = Math.round(dTheta / PI * 1e6) / 1e6;\n        dTheta = PI * 2 + (n % 2) * PI;\n    }\n    path.addData(cmd, cx, cy, rx, ry, theta, dTheta, psi, fs);\n}\nvar commandReg = /([mlvhzcqtsa])([^mlvhzcqtsa]*)/ig;\nvar numberReg = /-?([0-9]*\\.)?[0-9]+([eE]-?[0-9]+)?/g;\nfunction createPathProxyFromString(data) {\n    var path = new PathProxy();\n    if (!data) {\n        return path;\n    }\n    var cpx = 0;\n    var cpy = 0;\n    var subpathX = cpx;\n    var subpathY = cpy;\n    var prevCmd;\n    var CMD = PathProxy.CMD;\n    var cmdList = data.match(commandReg);\n    if (!cmdList) {\n        return path;\n    }\n    for (var l = 0; l < cmdList.length; l++) {\n        var cmdText = cmdList[l];\n        var cmdStr = cmdText.charAt(0);\n        var cmd = void 0;\n        var p = cmdText.match(numberReg) || [];\n        var pLen = p.length;\n        for (var i = 0; i < pLen; i++) {\n            p[i] = parseFloat(p[i]);\n        }\n        var off = 0;\n        while (off < pLen) {\n            var ctlPtx = void 0;\n            var ctlPty = void 0;\n            var rx = void 0;\n            var ry = void 0;\n            var psi = void 0;\n            var fa = void 0;\n            var fs = void 0;\n            var x1 = cpx;\n            var y1 = cpy;\n            var len = void 0;\n            var pathData = void 0;\n            switch (cmdStr) {\n                case 'l':\n                    cpx += p[off++];\n                    cpy += p[off++];\n                    cmd = CMD.L;\n                    path.addData(cmd, cpx, cpy);\n                    break;\n                case 'L':\n                    cpx = p[off++];\n                    cpy = p[off++];\n                    cmd = CMD.L;\n                    path.addData(cmd, cpx, cpy);\n                    break;\n                case 'm':\n                    cpx += p[off++];\n                    cpy += p[off++];\n                    cmd = CMD.M;\n                    path.addData(cmd, cpx, cpy);\n                    subpathX = cpx;\n                    subpathY = cpy;\n                    cmdStr = 'l';\n                    break;\n                case 'M':\n                    cpx = p[off++];\n                    cpy = p[off++];\n                    cmd = CMD.M;\n                    path.addData(cmd, cpx, cpy);\n                    subpathX = cpx;\n                    subpathY = cpy;\n                    cmdStr = 'L';\n                    break;\n                case 'h':\n                    cpx += p[off++];\n                    cmd = CMD.L;\n                    path.addData(cmd, cpx, cpy);\n                    break;\n                case 'H':\n                    cpx = p[off++];\n                    cmd = CMD.L;\n                    path.addData(cmd, cpx, cpy);\n                    break;\n                case 'v':\n                    cpy += p[off++];\n                    cmd = CMD.L;\n                    path.addData(cmd, cpx, cpy);\n                    break;\n                case 'V':\n                    cpy = p[off++];\n                    cmd = CMD.L;\n                    path.addData(cmd, cpx, cpy);\n                    break;\n                case 'C':\n                    cmd = CMD.C;\n                    path.addData(cmd, p[off++], p[off++], p[off++], p[off++], p[off++], p[off++]);\n                    cpx = p[off - 2];\n                    cpy = p[off - 1];\n                    break;\n                case 'c':\n                    cmd = CMD.C;\n                    path.addData(cmd, p[off++] + cpx, p[off++] + cpy, p[off++] + cpx, p[off++] + cpy, p[off++] + cpx, p[off++] + cpy);\n                    cpx += p[off - 2];\n                    cpy += p[off - 1];\n                    break;\n                case 'S':\n                    ctlPtx = cpx;\n                    ctlPty = cpy;\n                    len = path.len();\n                    pathData = path.data;\n                    if (prevCmd === CMD.C) {\n                        ctlPtx += cpx - pathData[len - 4];\n                        ctlPty += cpy - pathData[len - 3];\n                    }\n                    cmd = CMD.C;\n                    x1 = p[off++];\n                    y1 = p[off++];\n                    cpx = p[off++];\n                    cpy = p[off++];\n                    path.addData(cmd, ctlPtx, ctlPty, x1, y1, cpx, cpy);\n                    break;\n                case 's':\n                    ctlPtx = cpx;\n                    ctlPty = cpy;\n                    len = path.len();\n                    pathData = path.data;\n                    if (prevCmd === CMD.C) {\n                        ctlPtx += cpx - pathData[len - 4];\n                        ctlPty += cpy - pathData[len - 3];\n                    }\n                    cmd = CMD.C;\n                    x1 = cpx + p[off++];\n                    y1 = cpy + p[off++];\n                    cpx += p[off++];\n                    cpy += p[off++];\n                    path.addData(cmd, ctlPtx, ctlPty, x1, y1, cpx, cpy);\n                    break;\n                case 'Q':\n                    x1 = p[off++];\n                    y1 = p[off++];\n                    cpx = p[off++];\n                    cpy = p[off++];\n                    cmd = CMD.Q;\n                    path.addData(cmd, x1, y1, cpx, cpy);\n                    break;\n                case 'q':\n                    x1 = p[off++] + cpx;\n                    y1 = p[off++] + cpy;\n                    cpx += p[off++];\n                    cpy += p[off++];\n                    cmd = CMD.Q;\n                    path.addData(cmd, x1, y1, cpx, cpy);\n                    break;\n                case 'T':\n                    ctlPtx = cpx;\n                    ctlPty = cpy;\n                    len = path.len();\n                    pathData = path.data;\n                    if (prevCmd === CMD.Q) {\n                        ctlPtx += cpx - pathData[len - 4];\n                        ctlPty += cpy - pathData[len - 3];\n                    }\n                    cpx = p[off++];\n                    cpy = p[off++];\n                    cmd = CMD.Q;\n                    path.addData(cmd, ctlPtx, ctlPty, cpx, cpy);\n                    break;\n                case 't':\n                    ctlPtx = cpx;\n                    ctlPty = cpy;\n                    len = path.len();\n                    pathData = path.data;\n                    if (prevCmd === CMD.Q) {\n                        ctlPtx += cpx - pathData[len - 4];\n                        ctlPty += cpy - pathData[len - 3];\n                    }\n                    cpx += p[off++];\n                    cpy += p[off++];\n                    cmd = CMD.Q;\n                    path.addData(cmd, ctlPtx, ctlPty, cpx, cpy);\n                    break;\n                case 'A':\n                    rx = p[off++];\n                    ry = p[off++];\n                    psi = p[off++];\n                    fa = p[off++];\n                    fs = p[off++];\n                    x1 = cpx, y1 = cpy;\n                    cpx = p[off++];\n                    cpy = p[off++];\n                    cmd = CMD.A;\n                    processArc(x1, y1, cpx, cpy, fa, fs, rx, ry, psi, cmd, path);\n                    break;\n                case 'a':\n                    rx = p[off++];\n                    ry = p[off++];\n                    psi = p[off++];\n                    fa = p[off++];\n                    fs = p[off++];\n                    x1 = cpx, y1 = cpy;\n                    cpx += p[off++];\n                    cpy += p[off++];\n                    cmd = CMD.A;\n                    processArc(x1, y1, cpx, cpy, fa, fs, rx, ry, psi, cmd, path);\n                    break;\n            }\n        }\n        if (cmdStr === 'z' || cmdStr === 'Z') {\n            cmd = CMD.Z;\n            path.addData(cmd);\n            cpx = subpathX;\n            cpy = subpathY;\n        }\n        prevCmd = cmd;\n    }\n    path.toStatic();\n    return path;\n}\nvar SVGPath = (function (_super) {\n    __extends(SVGPath, _super);\n    function SVGPath() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    SVGPath.prototype.applyTransform = function (m) { };\n    return SVGPath;\n}(Path));\nfunction isPathProxy(path) {\n    return path.setData != null;\n}\nfunction createPathOptions(str, opts) {\n    var pathProxy = createPathProxyFromString(str);\n    var innerOpts = extend({}, opts);\n    innerOpts.buildPath = function (path) {\n        if (isPathProxy(path)) {\n            path.setData(pathProxy.data);\n            var ctx = path.getContext();\n            if (ctx) {\n                path.rebuildPath(ctx, 1);\n            }\n        }\n        else {\n            var ctx = path;\n            pathProxy.rebuildPath(ctx, 1);\n        }\n    };\n    innerOpts.applyTransform = function (m) {\n        transformPath(pathProxy, m);\n        this.dirtyShape();\n    };\n    return innerOpts;\n}\nexport function createFromString(str, opts) {\n    return new SVGPath(createPathOptions(str, opts));\n}\nexport function extendFromString(str, defaultOpts) {\n    var innerOpts = createPathOptions(str, defaultOpts);\n    var Sub = (function (_super) {\n        __extends(Sub, _super);\n        function Sub(opts) {\n            var _this = _super.call(this, opts) || this;\n            _this.applyTransform = innerOpts.applyTransform;\n            _this.buildPath = innerOpts.buildPath;\n            return _this;\n        }\n        return Sub;\n    }(SVGPath));\n    return Sub;\n}\nexport function mergePath(pathEls, opts) {\n    var pathList = [];\n    var len = pathEls.length;\n    for (var i = 0; i < len; i++) {\n        var pathEl = pathEls[i];\n        if (!pathEl.path) {\n            pathEl.createPathProxy();\n        }\n        if (pathEl.shapeChanged()) {\n            pathEl.buildPath(pathEl.path, pathEl.shape, true);\n        }\n        pathList.push(pathEl.path);\n    }\n    var pathBundle = new Path(opts);\n    pathBundle.createPathProxy();\n    pathBundle.buildPath = function (path) {\n        if (isPathProxy(path)) {\n            path.appendPath(pathList);\n            var ctx = path.getContext();\n            if (ctx) {\n                path.rebuildPath(ctx, 1);\n            }\n        }\n    };\n    return pathBundle;\n}\n","export function createLinearGradient(ctx, obj, rect) {\n    var x = obj.x == null ? 0 : obj.x;\n    var x2 = obj.x2 == null ? 1 : obj.x2;\n    var y = obj.y == null ? 0 : obj.y;\n    var y2 = obj.y2 == null ? 0 : obj.y2;\n    if (!obj.global) {\n        x = x * rect.width + rect.x;\n        x2 = x2 * rect.width + rect.x;\n        y = y * rect.height + rect.y;\n        y2 = y2 * rect.height + rect.y;\n    }\n    x = isNaN(x) ? 0 : x;\n    x2 = isNaN(x2) ? 1 : x2;\n    y = isNaN(y) ? 0 : y;\n    y2 = isNaN(y2) ? 0 : y2;\n    var canvasGradient = ctx.createLinearGradient(x, y, x2, y2);\n    return canvasGradient;\n}\nexport function createRadialGradient(ctx, obj, rect) {\n    var width = rect.width;\n    var height = rect.height;\n    var min = Math.min(width, height);\n    var x = obj.x == null ? 0.5 : obj.x;\n    var y = obj.y == null ? 0.5 : obj.y;\n    var r = obj.r == null ? 0.5 : obj.r;\n    if (!obj.global) {\n        x = x * width + rect.x;\n        y = y * height + rect.y;\n        r = r * min;\n    }\n    var canvasGradient = ctx.createRadialGradient(x, y, 0, x, y, r);\n    return canvasGradient;\n}\nexport function getCanvasGradient(ctx, obj, rect) {\n    var canvasGradient = obj.type === 'radial'\n        ? createRadialGradient(ctx, obj, rect)\n        : createLinearGradient(ctx, obj, rect);\n    var colorStops = obj.colorStops;\n    for (var i = 0; i < colorStops.length; i++) {\n        canvasGradient.addColorStop(colorStops[i].offset, colorStops[i].color);\n    }\n    return canvasGradient;\n}\nexport function isClipPathChanged(clipPaths, prevClipPaths) {\n    if (clipPaths === prevClipPaths || (!clipPaths && !prevClipPaths)) {\n        return false;\n    }\n    if (!clipPaths || !prevClipPaths || (clipPaths.length !== prevClipPaths.length)) {\n        return true;\n    }\n    for (var i = 0; i < clipPaths.length; i++) {\n        if (clipPaths[i] !== prevClipPaths[i]) {\n            return true;\n        }\n    }\n    return false;\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/*\n* A third-party license is embeded for some of the code in this file:\n* The method \"quantile\" was copied from \"d3.js\".\n* (See more details in the comment of the method below.)\n* The use of the source code of this file is also subject to the terms\n* and consitions of the license of \"d3.js\" (BSD-3Clause, see\n* </licenses/LICENSE-d3>).\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nvar RADIAN_EPSILON = 1e-4;\n\nfunction _trim(str) {\n  return str.replace(/^\\s+|\\s+$/g, '');\n}\n/**\n * Linear mapping a value from domain to range\n * @param  val\n * @param  domain Domain extent domain[0] can be bigger than domain[1]\n * @param  range  Range extent range[0] can be bigger than range[1]\n * @param  clamp Default to be false\n */\n\n\nexport function linearMap(val, domain, range, clamp) {\n  var subDomain = domain[1] - domain[0];\n  var subRange = range[1] - range[0];\n\n  if (subDomain === 0) {\n    return subRange === 0 ? range[0] : (range[0] + range[1]) / 2;\n  } // Avoid accuracy problem in edge, such as\n  // 146.39 - 62.83 === 83.55999999999999.\n  // See echarts/test/ut/spec/util/number.js#linearMap#accuracyError\n  // It is a little verbose for efficiency considering this method\n  // is a hotspot.\n\n\n  if (clamp) {\n    if (subDomain > 0) {\n      if (val <= domain[0]) {\n        return range[0];\n      } else if (val >= domain[1]) {\n        return range[1];\n      }\n    } else {\n      if (val >= domain[0]) {\n        return range[0];\n      } else if (val <= domain[1]) {\n        return range[1];\n      }\n    }\n  } else {\n    if (val === domain[0]) {\n      return range[0];\n    }\n\n    if (val === domain[1]) {\n      return range[1];\n    }\n  }\n\n  return (val - domain[0]) / subDomain * subRange + range[0];\n}\n/**\n * Convert a percent string to absolute number.\n * Returns NaN if percent is not a valid string or number\n */\n\nexport function parsePercent(percent, all) {\n  switch (percent) {\n    case 'center':\n    case 'middle':\n      percent = '50%';\n      break;\n\n    case 'left':\n    case 'top':\n      percent = '0%';\n      break;\n\n    case 'right':\n    case 'bottom':\n      percent = '100%';\n      break;\n  }\n\n  if (typeof percent === 'string') {\n    if (_trim(percent).match(/%$/)) {\n      return parseFloat(percent) / 100 * all;\n    }\n\n    return parseFloat(percent);\n  }\n\n  return percent == null ? NaN : +percent;\n}\nexport function round(x, precision, returnStr) {\n  if (precision == null) {\n    precision = 10;\n  } // Avoid range error\n\n\n  precision = Math.min(Math.max(0, precision), 20);\n  x = (+x).toFixed(precision);\n  return returnStr ? x : +x;\n}\n/**\n * Inplacd asc sort arr.\n * The input arr will be modified.\n */\n\nexport function asc(arr) {\n  arr.sort(function (a, b) {\n    return a - b;\n  });\n  return arr;\n}\n/**\n * Get precision\n */\n\nexport function getPrecision(val) {\n  val = +val;\n\n  if (isNaN(val)) {\n    return 0;\n  } // It is much faster than methods converting number to string as follows\n  //      let tmp = val.toString();\n  //      return tmp.length - 1 - tmp.indexOf('.');\n  // especially when precision is low\n\n\n  var e = 1;\n  var count = 0;\n\n  while (Math.round(val * e) / e !== val) {\n    e *= 10;\n    count++;\n  }\n\n  return count;\n}\n/**\n * Get precision with slow but safe method\n */\n\nexport function getPrecisionSafe(val) {\n  var str = val.toString(); // Consider scientific notation: '3.4e-12' '3.4e+12'\n\n  var eIndex = str.indexOf('e');\n\n  if (eIndex > 0) {\n    var precision = +str.slice(eIndex + 1);\n    return precision < 0 ? -precision : 0;\n  } else {\n    var dotIndex = str.indexOf('.');\n    return dotIndex < 0 ? 0 : str.length - 1 - dotIndex;\n  }\n}\n/**\n * Minimal dicernible data precisioin according to a single pixel.\n */\n\nexport function getPixelPrecision(dataExtent, pixelExtent) {\n  var log = Math.log;\n  var LN10 = Math.LN10;\n  var dataQuantity = Math.floor(log(dataExtent[1] - dataExtent[0]) / LN10);\n  var sizeQuantity = Math.round(log(Math.abs(pixelExtent[1] - pixelExtent[0])) / LN10); // toFixed() digits argument must be between 0 and 20.\n\n  var precision = Math.min(Math.max(-dataQuantity + sizeQuantity, 0), 20);\n  return !isFinite(precision) ? 20 : precision;\n}\n/**\n * Get a data of given precision, assuring the sum of percentages\n * in valueList is 1.\n * The largest remainer method is used.\n * https://en.wikipedia.org/wiki/Largest_remainder_method\n *\n * @param valueList a list of all data\n * @param idx index of the data to be processed in valueList\n * @param precision integer number showing digits of precision\n * @return percent ranging from 0 to 100\n */\n\nexport function getPercentWithPrecision(valueList, idx, precision) {\n  if (!valueList[idx]) {\n    return 0;\n  }\n\n  var sum = zrUtil.reduce(valueList, function (acc, val) {\n    return acc + (isNaN(val) ? 0 : val);\n  }, 0);\n\n  if (sum === 0) {\n    return 0;\n  }\n\n  var digits = Math.pow(10, precision);\n  var votesPerQuota = zrUtil.map(valueList, function (val) {\n    return (isNaN(val) ? 0 : val) / sum * digits * 100;\n  });\n  var targetSeats = digits * 100;\n  var seats = zrUtil.map(votesPerQuota, function (votes) {\n    // Assign automatic seats.\n    return Math.floor(votes);\n  });\n  var currentSum = zrUtil.reduce(seats, function (acc, val) {\n    return acc + val;\n  }, 0);\n  var remainder = zrUtil.map(votesPerQuota, function (votes, idx) {\n    return votes - seats[idx];\n  }); // Has remainding votes.\n\n  while (currentSum < targetSeats) {\n    // Find next largest remainder.\n    var max = Number.NEGATIVE_INFINITY;\n    var maxId = null;\n\n    for (var i = 0, len = remainder.length; i < len; ++i) {\n      if (remainder[i] > max) {\n        max = remainder[i];\n        maxId = i;\n      }\n    } // Add a vote to max remainder.\n\n\n    ++seats[maxId];\n    remainder[maxId] = 0;\n    ++currentSum;\n  }\n\n  return seats[idx] / digits;\n} // Number.MAX_SAFE_INTEGER, ie do not support.\n\nexport var MAX_SAFE_INTEGER = 9007199254740991;\n/**\n * To 0 - 2 * PI, considering negative radian.\n */\n\nexport function remRadian(radian) {\n  var pi2 = Math.PI * 2;\n  return (radian % pi2 + pi2) % pi2;\n}\n/**\n * @param {type} radian\n * @return {boolean}\n */\n\nexport function isRadianAroundZero(val) {\n  return val > -RADIAN_EPSILON && val < RADIAN_EPSILON;\n} // eslint-disable-next-line\n\nvar TIME_REG = /^(?:(\\d{4})(?:[-\\/](\\d{1,2})(?:[-\\/](\\d{1,2})(?:[T ](\\d{1,2})(?::(\\d{1,2})(?::(\\d{1,2})(?:[.,](\\d+))?)?)?(Z|[\\+\\-]\\d\\d:?\\d\\d)?)?)?)?)?$/; // jshint ignore:line\n\n/**\n * @param value valid type: number | string | Date, otherwise return `new Date(NaN)`\n *   These values can be accepted:\n *   + An instance of Date, represent a time in its own time zone.\n *   + Or string in a subset of ISO 8601, only including:\n *     + only year, month, date: '2012-03', '2012-03-01', '2012-03-01 05', '2012-03-01 05:06',\n *     + separated with T or space: '2012-03-01T12:22:33.123', '2012-03-01 12:22:33.123',\n *     + time zone: '2012-03-01T12:22:33Z', '2012-03-01T12:22:33+8000', '2012-03-01T12:22:33-05:00',\n *     all of which will be treated as local time if time zone is not specified\n *     (see <https://momentjs.com/>).\n *   + Or other string format, including (all of which will be treated as loacal time):\n *     '2012', '2012-3-1', '2012/3/1', '2012/03/01',\n *     '2009/6/12 2:00', '2009/6/12 2:05:08', '2009/6/12 2:05:08.123'\n *   + a timestamp, which represent a time in UTC.\n * @return date Never be null/undefined. If invalid, return `new Date(NaN)`.\n */\n\nexport function parseDate(value) {\n  if (value instanceof Date) {\n    return value;\n  } else if (typeof value === 'string') {\n    // Different browsers parse date in different way, so we parse it manually.\n    // Some other issues:\n    // new Date('1970-01-01') is UTC,\n    // new Date('1970/01/01') and new Date('1970-1-01') is local.\n    // See issue #3623\n    var match = TIME_REG.exec(value);\n\n    if (!match) {\n      // return Invalid Date.\n      return new Date(NaN);\n    } // Use local time when no timezone offset specifed.\n\n\n    if (!match[8]) {\n      // match[n] can only be string or undefined.\n      // But take care of '12' + 1 => '121'.\n      return new Date(+match[1], +(match[2] || 1) - 1, +match[3] || 1, +match[4] || 0, +(match[5] || 0), +match[6] || 0, +match[7] || 0);\n    } // Timezoneoffset of Javascript Date has considered DST (Daylight Saving Time,\n    // https://tc39.github.io/ecma262/#sec-daylight-saving-time-adjustment).\n    // For example, system timezone is set as \"Time Zone: America/Toronto\",\n    // then these code will get different result:\n    // `new Date(1478411999999).getTimezoneOffset();  // get 240`\n    // `new Date(1478412000000).getTimezoneOffset();  // get 300`\n    // So we should not use `new Date`, but use `Date.UTC`.\n    else {\n        var hour = +match[4] || 0;\n\n        if (match[8].toUpperCase() !== 'Z') {\n          hour -= +match[8].slice(0, 3);\n        }\n\n        return new Date(Date.UTC(+match[1], +(match[2] || 1) - 1, +match[3] || 1, hour, +(match[5] || 0), +match[6] || 0, +match[7] || 0));\n      }\n  } else if (value == null) {\n    return new Date(NaN);\n  }\n\n  return new Date(Math.round(value));\n}\n/**\n * Quantity of a number. e.g. 0.1, 1, 10, 100\n *\n * @param val\n * @return\n */\n\nexport function quantity(val) {\n  return Math.pow(10, quantityExponent(val));\n}\n/**\n * Exponent of the quantity of a number\n * e.g., 1234 equals to 1.234*10^3, so quantityExponent(1234) is 3\n *\n * @param val non-negative value\n * @return\n */\n\nexport function quantityExponent(val) {\n  if (val === 0) {\n    return 0;\n  }\n\n  var exp = Math.floor(Math.log(val) / Math.LN10);\n  /**\n   * exp is expected to be the rounded-down result of the base-10 log of val.\n   * But due to the precision loss with Math.log(val), we need to restore it\n   * using 10^exp to make sure we can get val back from exp. #11249\n   */\n\n  if (val / Math.pow(10, exp) >= 10) {\n    exp++;\n  }\n\n  return exp;\n}\n/**\n * find a “nice” number approximately equal to x. Round the number if round = true,\n * take ceiling if round = false. The primary observation is that the “nicest”\n * numbers in decimal are 1, 2, and 5, and all power-of-ten multiples of these numbers.\n *\n * See \"Nice Numbers for Graph Labels\" of Graphic Gems.\n *\n * @param  val Non-negative value.\n * @param  round\n * @return Niced number\n */\n\nexport function nice(val, round) {\n  var exponent = quantityExponent(val);\n  var exp10 = Math.pow(10, exponent);\n  var f = val / exp10; // 1 <= f < 10\n\n  var nf;\n\n  if (round) {\n    if (f < 1.5) {\n      nf = 1;\n    } else if (f < 2.5) {\n      nf = 2;\n    } else if (f < 4) {\n      nf = 3;\n    } else if (f < 7) {\n      nf = 5;\n    } else {\n      nf = 10;\n    }\n  } else {\n    if (f < 1) {\n      nf = 1;\n    } else if (f < 2) {\n      nf = 2;\n    } else if (f < 3) {\n      nf = 3;\n    } else if (f < 5) {\n      nf = 5;\n    } else {\n      nf = 10;\n    }\n  }\n\n  val = nf * exp10; // Fix 3 * 0.1 === 0.30000000000000004 issue (see IEEE 754).\n  // 20 is the uppper bound of toFixed.\n\n  return exponent >= -20 ? +val.toFixed(exponent < 0 ? -exponent : 0) : val;\n}\n/**\n * This code was copied from \"d3.js\"\n * <https://github.com/d3/d3/blob/9cc9a875e636a1dcf36cc1e07bdf77e1ad6e2c74/src/arrays/quantile.js>.\n * See the license statement at the head of this file.\n * @param ascArr\n */\n\nexport function quantile(ascArr, p) {\n  var H = (ascArr.length - 1) * p + 1;\n  var h = Math.floor(H);\n  var v = +ascArr[h - 1];\n  var e = H - h;\n  return e ? v + e * (ascArr[h] - v) : v;\n}\n/**\n * Order intervals asc, and split them when overlap.\n * expect(numberUtil.reformIntervals([\n *     {interval: [18, 62], close: [1, 1]},\n *     {interval: [-Infinity, -70], close: [0, 0]},\n *     {interval: [-70, -26], close: [1, 1]},\n *     {interval: [-26, 18], close: [1, 1]},\n *     {interval: [62, 150], close: [1, 1]},\n *     {interval: [106, 150], close: [1, 1]},\n *     {interval: [150, Infinity], close: [0, 0]}\n * ])).toEqual([\n *     {interval: [-Infinity, -70], close: [0, 0]},\n *     {interval: [-70, -26], close: [1, 1]},\n *     {interval: [-26, 18], close: [0, 1]},\n *     {interval: [18, 62], close: [0, 1]},\n *     {interval: [62, 150], close: [0, 1]},\n *     {interval: [150, Infinity], close: [0, 0]}\n * ]);\n * @param list, where `close` mean open or close\n *        of the interval, and Infinity can be used.\n * @return The origin list, which has been reformed.\n */\n\nexport function reformIntervals(list) {\n  list.sort(function (a, b) {\n    return littleThan(a, b, 0) ? -1 : 1;\n  });\n  var curr = -Infinity;\n  var currClose = 1;\n\n  for (var i = 0; i < list.length;) {\n    var interval = list[i].interval;\n    var close_1 = list[i].close;\n\n    for (var lg = 0; lg < 2; lg++) {\n      if (interval[lg] <= curr) {\n        interval[lg] = curr;\n        close_1[lg] = !lg ? 1 - currClose : 1;\n      }\n\n      curr = interval[lg];\n      currClose = close_1[lg];\n    }\n\n    if (interval[0] === interval[1] && close_1[0] * close_1[1] !== 1) {\n      list.splice(i, 1);\n    } else {\n      i++;\n    }\n  }\n\n  return list;\n\n  function littleThan(a, b, lg) {\n    return a.interval[lg] < b.interval[lg] || a.interval[lg] === b.interval[lg] && (a.close[lg] - b.close[lg] === (!lg ? 1 : -1) || !lg && littleThan(a, b, 1));\n  }\n}\n/**\n * [Numberic is defined as]:\n *     `parseFloat(val) == val`\n * For example:\n * numeric:\n *     typeof number except NaN, '-123', '123', '2e3', '-2e3', '011', 'Infinity', Infinity,\n *     and they rounded by white-spaces or line-terminal like ' -123 \\n ' (see es spec)\n * not-numeric:\n *     null, undefined, [], {}, true, false, 'NaN', NaN, '123ab',\n *     empty string, string with only white-spaces or line-terminal (see es spec),\n *     0x12, '0x12', '-0x12', 012, '012', '-012',\n *     non-string, ...\n *\n * @test See full test cases in `test/ut/spec/util/number.js`.\n * @return Must be a typeof number. If not numeric, return NaN.\n */\n\nexport function numericToNumber(val) {\n  var valFloat = parseFloat(val);\n  return valFloat == val // eslint-disable-line eqeqeq\n  && (valFloat !== 0 || typeof val !== 'string' || val.indexOf('x') <= 0) // For case ' 0x0 '.\n  ? valFloat : NaN;\n}\n/**\n * Definition of \"numeric\": see `numericToNumber`.\n */\n\nexport function isNumeric(val) {\n  return !isNaN(numericToNumber(val));\n}\n/**\n * Use random base to prevent users hard code depending on\n * this auto generated marker id.\n * @return An positive integer.\n */\n\nexport function getRandomIdBase() {\n  return Math.round(Math.random() * 9);\n}\n/**\n * Get the greatest common dividor\n *\n * @param {number} a one number\n * @param {number} b the other number\n */\n\nexport function getGreatestCommonDividor(a, b) {\n  if (b === 0) {\n    return a;\n  }\n\n  return getGreatestCommonDividor(b, a % b);\n}\n/**\n * Get the least common multiple\n *\n * @param {number} a one number\n * @param {number} b the other number\n */\n\nexport function getLeastCommonMultiple(a, b) {\n  if (a == null) {\n    return b;\n  }\n\n  if (b == null) {\n    return a;\n  }\n\n  return a * b / getGreatestCommonDividor(a, b);\n}","import { __extends, __spread, __read } from 'tslib';\nimport { FocusMonitor, FocusKeyManager, isFakeMousedownFromScreenReader } from '@angular/cdk/a11y';\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { UP_ARROW, DOWN_ARROW, END, hasModifierKey, HOME, RIGHT_ARROW, LEFT_ARROW, ESCAPE } from '@angular/cdk/keycodes';\nimport { Directive, TemplateRef, ComponentFactoryResolver, ApplicationRef, Injector, ViewContainerRef, Inject, ChangeDetectorRef, InjectionToken, Component, ChangeDetectionStrategy, ViewEncapsulation, ElementRef, Optional, Input, HostListener, QueryList, EventEmitter, NgZone, ContentChildren, ViewChild, ContentChild, Output, Self, NgModule } from '@angular/core';\nimport { Subject, Subscription, merge, of, asapScheduler } from 'rxjs';\nimport { startWith, switchMap, take, filter, takeUntil, delay } from 'rxjs/operators';\nimport { trigger, state, style, transition, group, query, animate } from '@angular/animations';\nimport { TemplatePortal, DomPortalOutlet } from '@angular/cdk/portal';\nimport { DOCUMENT, CommonModule } from '@angular/common';\nimport { mixinDisableRipple, mixinDisabled, MatCommonModule, MatRippleModule } from '@angular/material/core';\nimport { Directionality } from '@angular/cdk/bidi';\nimport { Overlay, OverlayConfig, OverlayModule } from '@angular/cdk/overlay';\nimport { normalizePassiveListenerOptions } from '@angular/cdk/platform';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Animations used by the mat-menu component.\n * Animation duration and timing values are based on:\n * https://material.io/guidelines/components/menus.html#menus-usage\n * @docs-private\n */\nvar matMenuAnimations = {\n    /**\n     * This animation controls the menu panel's entry and exit from the page.\n     *\n     * When the menu panel is added to the DOM, it scales in and fades in its border.\n     *\n     * When the menu panel is removed from the DOM, it simply fades out after a brief\n     * delay to display the ripple.\n     */\n    transformMenu: trigger('transformMenu', [\n        state('void', style({\n            opacity: 0,\n            transform: 'scale(0.8)'\n        })),\n        transition('void => enter', group([\n            query('.mat-menu-content, .mat-mdc-menu-content', animate('100ms linear', style({\n                opacity: 1\n            }))),\n            animate('120ms cubic-bezier(0, 0, 0.2, 1)', style({ transform: 'scale(1)' })),\n        ])),\n        transition('* => void', animate('100ms 25ms linear', style({ opacity: 0 })))\n    ]),\n    /**\n     * This animation fades in the background color and content of the menu panel\n     * after its containing element is scaled in.\n     */\n    fadeInItems: trigger('fadeInItems', [\n        // TODO(crisbeto): this is inside the `transformMenu`\n        // now. Remove next time we do breaking changes.\n        state('showing', style({ opacity: 1 })),\n        transition('void => *', [\n            style({ opacity: 0 }),\n            animate('400ms 100ms cubic-bezier(0.55, 0, 0.55, 0.2)')\n        ])\n    ])\n};\n/**\n * @deprecated\n * @breaking-change 8.0.0\n * @docs-private\n */\nvar fadeInItems = matMenuAnimations.fadeInItems;\n/**\n * @deprecated\n * @breaking-change 8.0.0\n * @docs-private\n */\nvar transformMenu = matMenuAnimations.transformMenu;\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Menu content that will be rendered lazily once the menu is opened.\n */\nvar MatMenuContent = /** @class */ (function () {\n    function MatMenuContent(_template, _componentFactoryResolver, _appRef, _injector, _viewContainerRef, _document, _changeDetectorRef) {\n        this._template = _template;\n        this._componentFactoryResolver = _componentFactoryResolver;\n        this._appRef = _appRef;\n        this._injector = _injector;\n        this._viewContainerRef = _viewContainerRef;\n        this._document = _document;\n        this._changeDetectorRef = _changeDetectorRef;\n        /** Emits when the menu content has been attached. */\n        this._attached = new Subject();\n    }\n    /**\n     * Attaches the content with a particular context.\n     * @docs-private\n     */\n    MatMenuContent.prototype.attach = function (context) {\n        if (context === void 0) { context = {}; }\n        if (!this._portal) {\n            this._portal = new TemplatePortal(this._template, this._viewContainerRef);\n        }\n        this.detach();\n        if (!this._outlet) {\n            this._outlet = new DomPortalOutlet(this._document.createElement('div'), this._componentFactoryResolver, this._appRef, this._injector);\n        }\n        var element = this._template.elementRef.nativeElement;\n        // Because we support opening the same menu from different triggers (which in turn have their\n        // own `OverlayRef` panel), we have to re-insert the host element every time, otherwise we\n        // risk it staying attached to a pane that's no longer in the DOM.\n        element.parentNode.insertBefore(this._outlet.outletElement, element);\n        // When `MatMenuContent` is used in an `OnPush` component, the insertion of the menu\n        // content via `createEmbeddedView` does not cause the content to be seen as \"dirty\"\n        // by Angular. This causes the `@ContentChildren` for menu items within the menu to\n        // not be updated by Angular. By explicitly marking for check here, we tell Angular that\n        // it needs to check for new menu items and update the `@ContentChild` in `MatMenu`.\n        // @breaking-change 9.0.0 Make change detector ref required\n        if (this._changeDetectorRef) {\n            this._changeDetectorRef.markForCheck();\n        }\n        this._portal.attach(this._outlet, context);\n        this._attached.next();\n    };\n    /**\n     * Detaches the content.\n     * @docs-private\n     */\n    MatMenuContent.prototype.detach = function () {\n        if (this._portal.isAttached) {\n            this._portal.detach();\n        }\n    };\n    MatMenuContent.prototype.ngOnDestroy = function () {\n        if (this._outlet) {\n            this._outlet.dispose();\n        }\n    };\n    MatMenuContent.decorators = [\n        { type: Directive, args: [{\n                    selector: 'ng-template[matMenuContent]'\n                },] }\n    ];\n    /** @nocollapse */\n    MatMenuContent.ctorParameters = function () { return [\n        { type: TemplateRef },\n        { type: ComponentFactoryResolver },\n        { type: ApplicationRef },\n        { type: Injector },\n        { type: ViewContainerRef },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },\n        { type: ChangeDetectorRef }\n    ]; };\n    return MatMenuContent;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Throws an exception for the case when menu trigger doesn't have a valid mat-menu instance\n * @docs-private\n */\nfunction throwMatMenuMissingError() {\n    throw Error(\"matMenuTriggerFor: must pass in an mat-menu instance.\\n\\n    Example:\\n      <mat-menu #menu=\\\"matMenu\\\"></mat-menu>\\n      <button [matMenuTriggerFor]=\\\"menu\\\"></button>\");\n}\n/**\n * Throws an exception for the case when menu's x-position value isn't valid.\n * In other words, it doesn't match 'before' or 'after'.\n * @docs-private\n */\nfunction throwMatMenuInvalidPositionX() {\n    throw Error(\"xPosition value must be either 'before' or after'.\\n      Example: <mat-menu xPosition=\\\"before\\\" #menu=\\\"matMenu\\\"></mat-menu>\");\n}\n/**\n * Throws an exception for the case when menu's y-position value isn't valid.\n * In other words, it doesn't match 'above' or 'below'.\n * @docs-private\n */\nfunction throwMatMenuInvalidPositionY() {\n    throw Error(\"yPosition value must be either 'above' or below'.\\n      Example: <mat-menu yPosition=\\\"above\\\" #menu=\\\"matMenu\\\"></mat-menu>\");\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Injection token used to provide the parent menu to menu-specific components.\n * @docs-private\n */\nvar MAT_MENU_PANEL = new InjectionToken('MAT_MENU_PANEL');\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Boilerplate for applying mixins to MatMenuItem.\n/** @docs-private */\nvar MatMenuItemBase = /** @class */ (function () {\n    function MatMenuItemBase() {\n    }\n    return MatMenuItemBase;\n}());\nvar _MatMenuItemMixinBase = mixinDisableRipple(mixinDisabled(MatMenuItemBase));\n/**\n * This directive is intended to be used inside an mat-menu tag.\n * It exists mostly to set the role attribute.\n */\nvar MatMenuItem = /** @class */ (function (_super) {\n    __extends(MatMenuItem, _super);\n    function MatMenuItem(_elementRef, document, _focusMonitor, _parentMenu) {\n        var _this = \n        // @breaking-change 8.0.0 make `_focusMonitor` and `document` required params.\n        _super.call(this) || this;\n        _this._elementRef = _elementRef;\n        _this._focusMonitor = _focusMonitor;\n        _this._parentMenu = _parentMenu;\n        /** ARIA role for the menu item. */\n        _this.role = 'menuitem';\n        /** Stream that emits when the menu item is hovered. */\n        _this._hovered = new Subject();\n        /** Stream that emits when the menu item is focused. */\n        _this._focused = new Subject();\n        /** Whether the menu item is highlighted. */\n        _this._highlighted = false;\n        /** Whether the menu item acts as a trigger for a sub-menu. */\n        _this._triggersSubmenu = false;\n        if (_focusMonitor) {\n            // Start monitoring the element so it gets the appropriate focused classes. We want\n            // to show the focus style for menu items only when the focus was not caused by a\n            // mouse or touch interaction.\n            _focusMonitor.monitor(_this._elementRef, false);\n        }\n        if (_parentMenu && _parentMenu.addItem) {\n            _parentMenu.addItem(_this);\n        }\n        _this._document = document;\n        return _this;\n    }\n    /** Focuses the menu item. */\n    MatMenuItem.prototype.focus = function (origin, options) {\n        if (origin === void 0) { origin = 'program'; }\n        if (this._focusMonitor) {\n            this._focusMonitor.focusVia(this._getHostElement(), origin, options);\n        }\n        else {\n            this._getHostElement().focus(options);\n        }\n        this._focused.next(this);\n    };\n    MatMenuItem.prototype.ngOnDestroy = function () {\n        if (this._focusMonitor) {\n            this._focusMonitor.stopMonitoring(this._elementRef);\n        }\n        if (this._parentMenu && this._parentMenu.removeItem) {\n            this._parentMenu.removeItem(this);\n        }\n        this._hovered.complete();\n        this._focused.complete();\n    };\n    /** Used to set the `tabindex`. */\n    MatMenuItem.prototype._getTabIndex = function () {\n        return this.disabled ? '-1' : '0';\n    };\n    /** Returns the host DOM element. */\n    MatMenuItem.prototype._getHostElement = function () {\n        return this._elementRef.nativeElement;\n    };\n    /** Prevents the default element actions if it is disabled. */\n    // We have to use a `HostListener` here in order to support both Ivy and ViewEngine.\n    // In Ivy the `host` bindings will be merged when this class is extended, whereas in\n    // ViewEngine they're overwritten.\n    // TODO(crisbeto): we move this back into `host` once Ivy is turned on by default.\n    // tslint:disable-next-line:no-host-decorator-in-concrete\n    MatMenuItem.prototype._checkDisabled = function (event) {\n        if (this.disabled) {\n            event.preventDefault();\n            event.stopPropagation();\n        }\n    };\n    /** Emits to the hover stream. */\n    // We have to use a `HostListener` here in order to support both Ivy and ViewEngine.\n    // In Ivy the `host` bindings will be merged when this class is extended, whereas in\n    // ViewEngine they're overwritten.\n    // TODO(crisbeto): we move this back into `host` once Ivy is turned on by default.\n    // tslint:disable-next-line:no-host-decorator-in-concrete\n    MatMenuItem.prototype._handleMouseEnter = function () {\n        this._hovered.next(this);\n    };\n    /** Gets the label to be used when determining whether the option should be focused. */\n    MatMenuItem.prototype.getLabel = function () {\n        var element = this._elementRef.nativeElement;\n        var textNodeType = this._document ? this._document.TEXT_NODE : 3;\n        var output = '';\n        if (element.childNodes) {\n            var length_1 = element.childNodes.length;\n            // Go through all the top-level text nodes and extract their text.\n            // We skip anything that's not a text node to prevent the text from\n            // being thrown off by something like an icon.\n            for (var i = 0; i < length_1; i++) {\n                if (element.childNodes[i].nodeType === textNodeType) {\n                    output += element.childNodes[i].textContent;\n                }\n            }\n        }\n        return output.trim();\n    };\n    MatMenuItem.decorators = [\n        { type: Component, args: [{\n                    selector: '[mat-menu-item]',\n                    exportAs: 'matMenuItem',\n                    inputs: ['disabled', 'disableRipple'],\n                    host: {\n                        '[attr.role]': 'role',\n                        '[class.mat-menu-item]': 'true',\n                        '[class.mat-menu-item-highlighted]': '_highlighted',\n                        '[class.mat-menu-item-submenu-trigger]': '_triggersSubmenu',\n                        '[attr.tabindex]': '_getTabIndex()',\n                        '[attr.aria-disabled]': 'disabled.toString()',\n                        '[attr.disabled]': 'disabled || null',\n                    },\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    encapsulation: ViewEncapsulation.None,\n                    template: \"<ng-content></ng-content>\\n<div class=\\\"mat-menu-ripple\\\" matRipple\\n     [matRippleDisabled]=\\\"disableRipple || disabled\\\"\\n     [matRippleTrigger]=\\\"_getHostElement()\\\">\\n</div>\\n\"\n                }] }\n    ];\n    /** @nocollapse */\n    MatMenuItem.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },\n        { type: FocusMonitor },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_MENU_PANEL,] }, { type: Optional }] }\n    ]; };\n    MatMenuItem.propDecorators = {\n        role: [{ type: Input }],\n        _checkDisabled: [{ type: HostListener, args: ['click', ['$event'],] }],\n        _handleMouseEnter: [{ type: HostListener, args: ['mouseenter',] }]\n    };\n    return MatMenuItem;\n}(_MatMenuItemMixinBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Injection token to be used to override the default options for `mat-menu`. */\nvar MAT_MENU_DEFAULT_OPTIONS = new InjectionToken('mat-menu-default-options', {\n    providedIn: 'root',\n    factory: MAT_MENU_DEFAULT_OPTIONS_FACTORY\n});\n/** @docs-private */\nfunction MAT_MENU_DEFAULT_OPTIONS_FACTORY() {\n    return {\n        overlapTrigger: false,\n        xPosition: 'after',\n        yPosition: 'below',\n        backdropClass: 'cdk-overlay-transparent-backdrop',\n    };\n}\n/**\n * Start elevation for the menu panel.\n * @docs-private\n */\nvar MAT_MENU_BASE_ELEVATION = 4;\nvar menuPanelUid = 0;\n/** Base class with all of the `MatMenu` functionality. */\nvar _MatMenuBase = /** @class */ (function () {\n    function _MatMenuBase(_elementRef, _ngZone, _defaultOptions) {\n        this._elementRef = _elementRef;\n        this._ngZone = _ngZone;\n        this._defaultOptions = _defaultOptions;\n        this._xPosition = this._defaultOptions.xPosition;\n        this._yPosition = this._defaultOptions.yPosition;\n        /** Only the direct descendant menu items. */\n        this._directDescendantItems = new QueryList();\n        /** Subscription to tab events on the menu panel */\n        this._tabSubscription = Subscription.EMPTY;\n        /** Config object to be passed into the menu's ngClass */\n        this._classList = {};\n        /** Current state of the panel animation. */\n        this._panelAnimationState = 'void';\n        /** Emits whenever an animation on the menu completes. */\n        this._animationDone = new Subject();\n        /** Class to be added to the backdrop element. */\n        this.backdropClass = this._defaultOptions.backdropClass;\n        this._overlapTrigger = this._defaultOptions.overlapTrigger;\n        this._hasBackdrop = this._defaultOptions.hasBackdrop;\n        /** Event emitted when the menu is closed. */\n        this.closed = new EventEmitter();\n        /**\n         * Event emitted when the menu is closed.\n         * @deprecated Switch to `closed` instead\n         * @breaking-change 8.0.0\n         */\n        this.close = this.closed;\n        this.panelId = \"mat-menu-panel-\" + menuPanelUid++;\n    }\n    Object.defineProperty(_MatMenuBase.prototype, \"xPosition\", {\n        /** Position of the menu in the X axis. */\n        get: function () { return this._xPosition; },\n        set: function (value) {\n            if (value !== 'before' && value !== 'after') {\n                throwMatMenuInvalidPositionX();\n            }\n            this._xPosition = value;\n            this.setPositionClasses();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(_MatMenuBase.prototype, \"yPosition\", {\n        /** Position of the menu in the Y axis. */\n        get: function () { return this._yPosition; },\n        set: function (value) {\n            if (value !== 'above' && value !== 'below') {\n                throwMatMenuInvalidPositionY();\n            }\n            this._yPosition = value;\n            this.setPositionClasses();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(_MatMenuBase.prototype, \"overlapTrigger\", {\n        /** Whether the menu should overlap its trigger. */\n        get: function () { return this._overlapTrigger; },\n        set: function (value) {\n            this._overlapTrigger = coerceBooleanProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(_MatMenuBase.prototype, \"hasBackdrop\", {\n        /** Whether the menu has a backdrop. */\n        get: function () { return this._hasBackdrop; },\n        set: function (value) {\n            this._hasBackdrop = coerceBooleanProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(_MatMenuBase.prototype, \"panelClass\", {\n        /**\n         * This method takes classes set on the host mat-menu element and applies them on the\n         * menu template that displays in the overlay container.  Otherwise, it's difficult\n         * to style the containing menu from outside the component.\n         * @param classes list of class names\n         */\n        set: function (classes) {\n            var _this = this;\n            var previousPanelClass = this._previousPanelClass;\n            if (previousPanelClass && previousPanelClass.length) {\n                previousPanelClass.split(' ').forEach(function (className) {\n                    _this._classList[className] = false;\n                });\n            }\n            this._previousPanelClass = classes;\n            if (classes && classes.length) {\n                classes.split(' ').forEach(function (className) {\n                    _this._classList[className] = true;\n                });\n                this._elementRef.nativeElement.className = '';\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(_MatMenuBase.prototype, \"classList\", {\n        /**\n         * This method takes classes set on the host mat-menu element and applies them on the\n         * menu template that displays in the overlay container.  Otherwise, it's difficult\n         * to style the containing menu from outside the component.\n         * @deprecated Use `panelClass` instead.\n         * @breaking-change 8.0.0\n         */\n        get: function () { return this.panelClass; },\n        set: function (classes) { this.panelClass = classes; },\n        enumerable: true,\n        configurable: true\n    });\n    _MatMenuBase.prototype.ngOnInit = function () {\n        this.setPositionClasses();\n    };\n    _MatMenuBase.prototype.ngAfterContentInit = function () {\n        var _this = this;\n        this._updateDirectDescendants();\n        this._keyManager = new FocusKeyManager(this._directDescendantItems).withWrap().withTypeAhead();\n        this._tabSubscription = this._keyManager.tabOut.subscribe(function () { return _this.closed.emit('tab'); });\n        // If a user manually (programatically) focuses a menu item, we need to reflect that focus\n        // change back to the key manager. Note that we don't need to unsubscribe here because _focused\n        // is internal and we know that it gets completed on destroy.\n        this._directDescendantItems.changes.pipe(startWith(this._directDescendantItems), switchMap(function (items) { return merge.apply(void 0, __spread(items.map(function (item) { return item._focused; }))); })).subscribe(function (focusedItem) { return _this._keyManager.updateActiveItem(focusedItem); });\n    };\n    _MatMenuBase.prototype.ngOnDestroy = function () {\n        this._directDescendantItems.destroy();\n        this._tabSubscription.unsubscribe();\n        this.closed.complete();\n    };\n    /** Stream that emits whenever the hovered menu item changes. */\n    _MatMenuBase.prototype._hovered = function () {\n        // Coerce the `changes` property because Angular types it as `Observable<any>`\n        var itemChanges = this._directDescendantItems.changes;\n        return itemChanges.pipe(startWith(this._directDescendantItems), switchMap(function (items) { return merge.apply(void 0, __spread(items.map(function (item) { return item._hovered; }))); }));\n    };\n    /*\n     * Registers a menu item with the menu.\n     * @docs-private\n     * @deprecated No longer being used. To be removed.\n     * @breaking-change 9.0.0\n     */\n    _MatMenuBase.prototype.addItem = function (_item) { };\n    /**\n     * Removes an item from the menu.\n     * @docs-private\n     * @deprecated No longer being used. To be removed.\n     * @breaking-change 9.0.0\n     */\n    _MatMenuBase.prototype.removeItem = function (_item) { };\n    /** Handle a keyboard event from the menu, delegating to the appropriate action. */\n    _MatMenuBase.prototype._handleKeydown = function (event) {\n        var keyCode = event.keyCode;\n        var manager = this._keyManager;\n        switch (keyCode) {\n            case ESCAPE:\n                if (!hasModifierKey(event)) {\n                    event.preventDefault();\n                    this.closed.emit('keydown');\n                }\n                break;\n            case LEFT_ARROW:\n                if (this.parentMenu && this.direction === 'ltr') {\n                    this.closed.emit('keydown');\n                }\n                break;\n            case RIGHT_ARROW:\n                if (this.parentMenu && this.direction === 'rtl') {\n                    this.closed.emit('keydown');\n                }\n                break;\n            case HOME:\n            case END:\n                if (!hasModifierKey(event)) {\n                    keyCode === HOME ? manager.setFirstItemActive() : manager.setLastItemActive();\n                    event.preventDefault();\n                }\n                break;\n            default:\n                if (keyCode === UP_ARROW || keyCode === DOWN_ARROW) {\n                    manager.setFocusOrigin('keyboard');\n                }\n                manager.onKeydown(event);\n        }\n    };\n    /**\n     * Focus the first item in the menu.\n     * @param origin Action from which the focus originated. Used to set the correct styling.\n     */\n    _MatMenuBase.prototype.focusFirstItem = function (origin) {\n        var _this = this;\n        if (origin === void 0) { origin = 'program'; }\n        // When the content is rendered lazily, it takes a bit before the items are inside the DOM.\n        if (this.lazyContent) {\n            this._ngZone.onStable.asObservable()\n                .pipe(take(1))\n                .subscribe(function () { return _this._focusFirstItem(origin); });\n        }\n        else {\n            this._focusFirstItem(origin);\n        }\n    };\n    /**\n     * Actual implementation that focuses the first item. Needs to be separated\n     * out so we don't repeat the same logic in the public `focusFirstItem` method.\n     */\n    _MatMenuBase.prototype._focusFirstItem = function (origin) {\n        var manager = this._keyManager;\n        manager.setFocusOrigin(origin).setFirstItemActive();\n        // If there's no active item at this point, it means that all the items are disabled.\n        // Move focus to the menu panel so keyboard events like Escape still work. Also this will\n        // give _some_ feedback to screen readers.\n        if (!manager.activeItem && this._directDescendantItems.length) {\n            var element = this._directDescendantItems.first._getHostElement().parentElement;\n            // Because the `mat-menu` is at the DOM insertion point, not inside the overlay, we don't\n            // have a nice way of getting a hold of the menu panel. We can't use a `ViewChild` either\n            // because the panel is inside an `ng-template`. We work around it by starting from one of\n            // the items and walking up the DOM.\n            while (element) {\n                if (element.getAttribute('role') === 'menu') {\n                    element.focus();\n                    break;\n                }\n                else {\n                    element = element.parentElement;\n                }\n            }\n        }\n    };\n    /**\n     * Resets the active item in the menu. This is used when the menu is opened, allowing\n     * the user to start from the first option when pressing the down arrow.\n     */\n    _MatMenuBase.prototype.resetActiveItem = function () {\n        this._keyManager.setActiveItem(-1);\n    };\n    /**\n     * Sets the menu panel elevation.\n     * @param depth Number of parent menus that come before the menu.\n     */\n    _MatMenuBase.prototype.setElevation = function (depth) {\n        // The elevation starts at the base and increases by one for each level.\n        // Capped at 24 because that's the maximum elevation defined in the Material design spec.\n        var elevation = Math.min(MAT_MENU_BASE_ELEVATION + depth, 24);\n        var newElevation = \"mat-elevation-z\" + elevation;\n        var customElevation = Object.keys(this._classList).find(function (c) { return c.startsWith('mat-elevation-z'); });\n        if (!customElevation || customElevation === this._previousElevation) {\n            if (this._previousElevation) {\n                this._classList[this._previousElevation] = false;\n            }\n            this._classList[newElevation] = true;\n            this._previousElevation = newElevation;\n        }\n    };\n    /**\n     * Adds classes to the menu panel based on its position. Can be used by\n     * consumers to add specific styling based on the position.\n     * @param posX Position of the menu along the x axis.\n     * @param posY Position of the menu along the y axis.\n     * @docs-private\n     */\n    _MatMenuBase.prototype.setPositionClasses = function (posX, posY) {\n        if (posX === void 0) { posX = this.xPosition; }\n        if (posY === void 0) { posY = this.yPosition; }\n        var classes = this._classList;\n        classes['mat-menu-before'] = posX === 'before';\n        classes['mat-menu-after'] = posX === 'after';\n        classes['mat-menu-above'] = posY === 'above';\n        classes['mat-menu-below'] = posY === 'below';\n    };\n    /** Starts the enter animation. */\n    _MatMenuBase.prototype._startAnimation = function () {\n        // @breaking-change 8.0.0 Combine with _resetAnimation.\n        this._panelAnimationState = 'enter';\n    };\n    /** Resets the panel animation to its initial state. */\n    _MatMenuBase.prototype._resetAnimation = function () {\n        // @breaking-change 8.0.0 Combine with _startAnimation.\n        this._panelAnimationState = 'void';\n    };\n    /** Callback that is invoked when the panel animation completes. */\n    _MatMenuBase.prototype._onAnimationDone = function (event) {\n        this._animationDone.next(event);\n        this._isAnimating = false;\n    };\n    _MatMenuBase.prototype._onAnimationStart = function (event) {\n        this._isAnimating = true;\n        // Scroll the content element to the top as soon as the animation starts. This is necessary,\n        // because we move focus to the first item while it's still being animated, which can throw\n        // the browser off when it determines the scroll position. Alternatively we can move focus\n        // when the animation is done, however moving focus asynchronously will interrupt screen\n        // readers which are in the process of reading out the menu already. We take the `element`\n        // from the `event` since we can't use a `ViewChild` to access the pane.\n        if (event.toState === 'enter' && this._keyManager.activeItemIndex === 0) {\n            event.element.scrollTop = 0;\n        }\n    };\n    /**\n     * Sets up a stream that will keep track of any newly-added menu items and will update the list\n     * of direct descendants. We collect the descendants this way, because `_allItems` can include\n     * items that are part of child menus, and using a custom way of registering items is unreliable\n     * when it comes to maintaining the item order.\n     */\n    _MatMenuBase.prototype._updateDirectDescendants = function () {\n        var _this = this;\n        this._allItems.changes\n            .pipe(startWith(this._allItems))\n            .subscribe(function (items) {\n            _this._directDescendantItems.reset(items.filter(function (item) { return item._parentMenu === _this; }));\n            _this._directDescendantItems.notifyOnChanges();\n        });\n    };\n    _MatMenuBase.decorators = [\n        { type: Directive }\n    ];\n    /** @nocollapse */\n    _MatMenuBase.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: NgZone },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_MENU_DEFAULT_OPTIONS,] }] }\n    ]; };\n    _MatMenuBase.propDecorators = {\n        _allItems: [{ type: ContentChildren, args: [MatMenuItem, { descendants: true },] }],\n        backdropClass: [{ type: Input }],\n        ariaLabel: [{ type: Input, args: ['aria-label',] }],\n        ariaLabelledby: [{ type: Input, args: ['aria-labelledby',] }],\n        ariaDescribedby: [{ type: Input, args: ['aria-describedby',] }],\n        xPosition: [{ type: Input }],\n        yPosition: [{ type: Input }],\n        templateRef: [{ type: ViewChild, args: [TemplateRef,] }],\n        items: [{ type: ContentChildren, args: [MatMenuItem, { descendants: false },] }],\n        lazyContent: [{ type: ContentChild, args: [MatMenuContent,] }],\n        overlapTrigger: [{ type: Input }],\n        hasBackdrop: [{ type: Input }],\n        panelClass: [{ type: Input, args: ['class',] }],\n        classList: [{ type: Input }],\n        closed: [{ type: Output }],\n        close: [{ type: Output }]\n    };\n    return _MatMenuBase;\n}());\n/** @docs-private We show the \"_MatMenu\" class as \"MatMenu\" in the docs. */\nvar MatMenu = /** @class */ (function (_super) {\n    __extends(MatMenu, _super);\n    function MatMenu() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    MatMenu.decorators = [\n        { type: Directive }\n    ];\n    return MatMenu;\n}(_MatMenuBase));\n// Note on the weird inheritance setup: we need three classes, because the MDC-based menu has to\n// extend `MatMenu`, however keeping a reference to it will cause the inlined template and styles\n// to be retained as well. The MDC menu also has to provide itself as a `MatMenu` in order for\n// queries and DI to work correctly, while still not referencing the actual menu class.\n// Class responsibility is split up as follows:\n// * _MatMenuBase - provides all the functionality without any of the Angular metadata.\n// * MatMenu - keeps the same name symbol name as the current menu and\n// is used as a provider for DI and query purposes.\n// * _MatMenu - the actual menu component implementation with the Angular metadata that should\n// be tree shaken away for MDC.\n/** @docs-public MatMenu */\nvar _MatMenu = /** @class */ (function (_super) {\n    __extends(_MatMenu, _super);\n    function _MatMenu(elementRef, ngZone, defaultOptions) {\n        return _super.call(this, elementRef, ngZone, defaultOptions) || this;\n    }\n    _MatMenu.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-menu',\n                    template: \"<ng-template>\\n  <div\\n    class=\\\"mat-menu-panel\\\"\\n    [id]=\\\"panelId\\\"\\n    [ngClass]=\\\"_classList\\\"\\n    (keydown)=\\\"_handleKeydown($event)\\\"\\n    (click)=\\\"closed.emit('click')\\\"\\n    [@transformMenu]=\\\"_panelAnimationState\\\"\\n    (@transformMenu.start)=\\\"_onAnimationStart($event)\\\"\\n    (@transformMenu.done)=\\\"_onAnimationDone($event)\\\"\\n    tabindex=\\\"-1\\\"\\n    role=\\\"menu\\\"\\n    [attr.aria-label]=\\\"ariaLabel || null\\\"\\n    [attr.aria-labelledby]=\\\"ariaLabelledby || null\\\"\\n    [attr.aria-describedby]=\\\"ariaDescribedby || null\\\">\\n    <div class=\\\"mat-menu-content\\\">\\n      <ng-content></ng-content>\\n    </div>\\n  </div>\\n</ng-template>\\n\",\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    encapsulation: ViewEncapsulation.None,\n                    exportAs: 'matMenu',\n                    animations: [\n                        matMenuAnimations.transformMenu,\n                        matMenuAnimations.fadeInItems\n                    ],\n                    providers: [\n                        { provide: MAT_MENU_PANEL, useExisting: MatMenu },\n                        { provide: MatMenu, useExisting: _MatMenu }\n                    ],\n                    styles: [\".mat-menu-panel{min-width:112px;max-width:280px;overflow:auto;-webkit-overflow-scrolling:touch;max-height:calc(100vh - 48px);border-radius:4px;outline:0;min-height:64px}.mat-menu-panel.ng-animating{pointer-events:none}.cdk-high-contrast-active .mat-menu-panel{outline:solid 1px}.mat-menu-content:not(:empty){padding-top:8px;padding-bottom:8px}.mat-menu-item{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:pointer;outline:none;border:none;-webkit-tap-highlight-color:transparent;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;line-height:48px;height:48px;padding:0 16px;text-align:left;text-decoration:none;max-width:100%;position:relative}.mat-menu-item::-moz-focus-inner{border:0}.mat-menu-item[disabled]{cursor:default}[dir=rtl] .mat-menu-item{text-align:right}.mat-menu-item .mat-icon{margin-right:16px;vertical-align:middle}.mat-menu-item .mat-icon svg{vertical-align:top}[dir=rtl] .mat-menu-item .mat-icon{margin-left:16px;margin-right:0}.mat-menu-item[disabled]{pointer-events:none}.cdk-high-contrast-active .mat-menu-item.cdk-program-focused,.cdk-high-contrast-active .mat-menu-item.cdk-keyboard-focused,.cdk-high-contrast-active .mat-menu-item-highlighted{outline:dotted 1px}.mat-menu-item-submenu-trigger{padding-right:32px}.mat-menu-item-submenu-trigger::after{width:0;height:0;border-style:solid;border-width:5px 0 5px 5px;border-color:transparent transparent transparent currentColor;content:\\\"\\\";display:inline-block;position:absolute;top:50%;right:16px;transform:translateY(-50%)}[dir=rtl] .mat-menu-item-submenu-trigger{padding-right:16px;padding-left:32px}[dir=rtl] .mat-menu-item-submenu-trigger::after{right:auto;left:16px;transform:rotateY(180deg) translateY(-50%)}button.mat-menu-item{width:100%}.mat-menu-item .mat-menu-ripple{top:0;left:0;right:0;bottom:0;position:absolute;pointer-events:none}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    _MatMenu.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: NgZone },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_MENU_DEFAULT_OPTIONS,] }] }\n    ]; };\n    return _MatMenu;\n}(MatMenu));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Injection token that determines the scroll handling while the menu is open. */\nvar MAT_MENU_SCROLL_STRATEGY = new InjectionToken('mat-menu-scroll-strategy');\n/** @docs-private */\nfunction MAT_MENU_SCROLL_STRATEGY_FACTORY(overlay) {\n    return function () { return overlay.scrollStrategies.reposition(); };\n}\n/** @docs-private */\nvar MAT_MENU_SCROLL_STRATEGY_FACTORY_PROVIDER = {\n    provide: MAT_MENU_SCROLL_STRATEGY,\n    deps: [Overlay],\n    useFactory: MAT_MENU_SCROLL_STRATEGY_FACTORY,\n};\n/** Default top padding of the menu panel. */\nvar MENU_PANEL_TOP_PADDING = 8;\n/** Options for binding a passive event listener. */\nvar passiveEventListenerOptions = normalizePassiveListenerOptions({ passive: true });\n// TODO(andrewseguin): Remove the kebab versions in favor of camelCased attribute selectors\n/**\n * This directive is intended to be used in conjunction with an mat-menu tag.  It is\n * responsible for toggling the display of the provided menu instance.\n */\nvar MatMenuTrigger = /** @class */ (function () {\n    function MatMenuTrigger(_overlay, _element, _viewContainerRef, scrollStrategy, _parentMenu, _menuItemInstance, _dir, \n    // TODO(crisbeto): make the _focusMonitor required when doing breaking changes.\n    // @breaking-change 8.0.0\n    _focusMonitor) {\n        var _this = this;\n        this._overlay = _overlay;\n        this._element = _element;\n        this._viewContainerRef = _viewContainerRef;\n        this._parentMenu = _parentMenu;\n        this._menuItemInstance = _menuItemInstance;\n        this._dir = _dir;\n        this._focusMonitor = _focusMonitor;\n        this._overlayRef = null;\n        this._menuOpen = false;\n        this._closingActionsSubscription = Subscription.EMPTY;\n        this._hoverSubscription = Subscription.EMPTY;\n        this._menuCloseSubscription = Subscription.EMPTY;\n        /**\n         * Handles touch start events on the trigger.\n         * Needs to be an arrow function so we can easily use addEventListener and removeEventListener.\n         */\n        this._handleTouchStart = function () { return _this._openedBy = 'touch'; };\n        // Tracking input type is necessary so it's possible to only auto-focus\n        // the first item of the list when the menu is opened via the keyboard\n        this._openedBy = null;\n        /**\n         * Whether focus should be restored when the menu is closed.\n         * Note that disabling this option can have accessibility implications\n         * and it's up to you to manage focus, if you decide to turn it off.\n         */\n        this.restoreFocus = true;\n        /** Event emitted when the associated menu is opened. */\n        this.menuOpened = new EventEmitter();\n        /**\n         * Event emitted when the associated menu is opened.\n         * @deprecated Switch to `menuOpened` instead\n         * @breaking-change 8.0.0\n         */\n        // tslint:disable-next-line:no-output-on-prefix\n        this.onMenuOpen = this.menuOpened;\n        /** Event emitted when the associated menu is closed. */\n        this.menuClosed = new EventEmitter();\n        /**\n         * Event emitted when the associated menu is closed.\n         * @deprecated Switch to `menuClosed` instead\n         * @breaking-change 8.0.0\n         */\n        // tslint:disable-next-line:no-output-on-prefix\n        this.onMenuClose = this.menuClosed;\n        _element.nativeElement.addEventListener('touchstart', this._handleTouchStart, passiveEventListenerOptions);\n        if (_menuItemInstance) {\n            _menuItemInstance._triggersSubmenu = this.triggersSubmenu();\n        }\n        this._scrollStrategy = scrollStrategy;\n    }\n    Object.defineProperty(MatMenuTrigger.prototype, \"_deprecatedMatMenuTriggerFor\", {\n        /**\n         * @deprecated\n         * @breaking-change 8.0.0\n         */\n        get: function () { return this.menu; },\n        set: function (v) {\n            this.menu = v;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatMenuTrigger.prototype, \"menu\", {\n        /** References the menu instance that the trigger is associated with. */\n        get: function () { return this._menu; },\n        set: function (menu) {\n            var _this = this;\n            if (menu === this._menu) {\n                return;\n            }\n            this._menu = menu;\n            this._menuCloseSubscription.unsubscribe();\n            if (menu) {\n                this._menuCloseSubscription = menu.close.asObservable().subscribe(function (reason) {\n                    _this._destroyMenu();\n                    // If a click closed the menu, we should close the entire chain of nested menus.\n                    if ((reason === 'click' || reason === 'tab') && _this._parentMenu) {\n                        _this._parentMenu.closed.emit(reason);\n                    }\n                });\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatMenuTrigger.prototype.ngAfterContentInit = function () {\n        this._checkMenu();\n        this._handleHover();\n    };\n    MatMenuTrigger.prototype.ngOnDestroy = function () {\n        if (this._overlayRef) {\n            this._overlayRef.dispose();\n            this._overlayRef = null;\n        }\n        this._element.nativeElement.removeEventListener('touchstart', this._handleTouchStart, passiveEventListenerOptions);\n        this._menuCloseSubscription.unsubscribe();\n        this._closingActionsSubscription.unsubscribe();\n        this._hoverSubscription.unsubscribe();\n    };\n    Object.defineProperty(MatMenuTrigger.prototype, \"menuOpen\", {\n        /** Whether the menu is open. */\n        get: function () {\n            return this._menuOpen;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatMenuTrigger.prototype, \"dir\", {\n        /** The text direction of the containing app. */\n        get: function () {\n            return this._dir && this._dir.value === 'rtl' ? 'rtl' : 'ltr';\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** Whether the menu triggers a sub-menu or a top-level one. */\n    MatMenuTrigger.prototype.triggersSubmenu = function () {\n        return !!(this._menuItemInstance && this._parentMenu);\n    };\n    /** Toggles the menu between the open and closed states. */\n    MatMenuTrigger.prototype.toggleMenu = function () {\n        return this._menuOpen ? this.closeMenu() : this.openMenu();\n    };\n    /** Opens the menu. */\n    MatMenuTrigger.prototype.openMenu = function () {\n        var _this = this;\n        if (this._menuOpen) {\n            return;\n        }\n        this._checkMenu();\n        var overlayRef = this._createOverlay();\n        var overlayConfig = overlayRef.getConfig();\n        this._setPosition(overlayConfig.positionStrategy);\n        overlayConfig.hasBackdrop = this.menu.hasBackdrop == null ? !this.triggersSubmenu() :\n            this.menu.hasBackdrop;\n        overlayRef.attach(this._getPortal());\n        if (this.menu.lazyContent) {\n            this.menu.lazyContent.attach(this.menuData);\n        }\n        this._closingActionsSubscription = this._menuClosingActions().subscribe(function () { return _this.closeMenu(); });\n        this._initMenu();\n        if (this.menu instanceof MatMenu) {\n            this.menu._startAnimation();\n        }\n    };\n    /** Closes the menu. */\n    MatMenuTrigger.prototype.closeMenu = function () {\n        this.menu.close.emit();\n    };\n    /**\n     * Focuses the menu trigger.\n     * @param origin Source of the menu trigger's focus.\n     */\n    MatMenuTrigger.prototype.focus = function (origin, options) {\n        if (origin === void 0) { origin = 'program'; }\n        if (this._focusMonitor) {\n            this._focusMonitor.focusVia(this._element, origin, options);\n        }\n        else {\n            this._element.nativeElement.focus(options);\n        }\n    };\n    /** Closes the menu and does the necessary cleanup. */\n    MatMenuTrigger.prototype._destroyMenu = function () {\n        var _this = this;\n        if (!this._overlayRef || !this.menuOpen) {\n            return;\n        }\n        var menu = this.menu;\n        this._closingActionsSubscription.unsubscribe();\n        this._overlayRef.detach();\n        if (menu instanceof MatMenu) {\n            menu._resetAnimation();\n            if (menu.lazyContent) {\n                // Wait for the exit animation to finish before detaching the content.\n                menu._animationDone\n                    .pipe(filter(function (event) { return event.toState === 'void'; }), take(1), \n                // Interrupt if the content got re-attached.\n                takeUntil(menu.lazyContent._attached))\n                    .subscribe({\n                    next: function () { return menu.lazyContent.detach(); },\n                    // No matter whether the content got re-attached, reset the menu.\n                    complete: function () { return _this._setIsMenuOpen(false); }\n                });\n            }\n            else {\n                this._setIsMenuOpen(false);\n            }\n        }\n        else {\n            this._setIsMenuOpen(false);\n            if (menu.lazyContent) {\n                menu.lazyContent.detach();\n            }\n        }\n        this._restoreFocus();\n    };\n    /**\n     * This method sets the menu state to open and focuses the first item if\n     * the menu was opened via the keyboard.\n     */\n    MatMenuTrigger.prototype._initMenu = function () {\n        this.menu.parentMenu = this.triggersSubmenu() ? this._parentMenu : undefined;\n        this.menu.direction = this.dir;\n        this._setMenuElevation();\n        this._setIsMenuOpen(true);\n        this.menu.focusFirstItem(this._openedBy || 'program');\n    };\n    /** Updates the menu elevation based on the amount of parent menus that it has. */\n    MatMenuTrigger.prototype._setMenuElevation = function () {\n        if (this.menu.setElevation) {\n            var depth = 0;\n            var parentMenu = this.menu.parentMenu;\n            while (parentMenu) {\n                depth++;\n                parentMenu = parentMenu.parentMenu;\n            }\n            this.menu.setElevation(depth);\n        }\n    };\n    /** Restores focus to the element that was focused before the menu was open. */\n    MatMenuTrigger.prototype._restoreFocus = function () {\n        // We should reset focus if the user is navigating using a keyboard or\n        // if we have a top-level trigger which might cause focus to be lost\n        // when clicking on the backdrop.\n        if (this.restoreFocus) {\n            if (!this._openedBy) {\n                // Note that the focus style will show up both for `program` and\n                // `keyboard` so we don't have to specify which one it is.\n                this.focus();\n            }\n            else if (!this.triggersSubmenu()) {\n                this.focus(this._openedBy);\n            }\n        }\n        this._openedBy = null;\n    };\n    // set state rather than toggle to support triggers sharing a menu\n    MatMenuTrigger.prototype._setIsMenuOpen = function (isOpen) {\n        this._menuOpen = isOpen;\n        this._menuOpen ? this.menuOpened.emit() : this.menuClosed.emit();\n        if (this.triggersSubmenu()) {\n            this._menuItemInstance._highlighted = isOpen;\n        }\n    };\n    /**\n     * This method checks that a valid instance of MatMenu has been passed into\n     * matMenuTriggerFor. If not, an exception is thrown.\n     */\n    MatMenuTrigger.prototype._checkMenu = function () {\n        if (!this.menu) {\n            throwMatMenuMissingError();\n        }\n    };\n    /**\n     * This method creates the overlay from the provided menu's template and saves its\n     * OverlayRef so that it can be attached to the DOM when openMenu is called.\n     */\n    MatMenuTrigger.prototype._createOverlay = function () {\n        if (!this._overlayRef) {\n            var config = this._getOverlayConfig();\n            this._subscribeToPositions(config.positionStrategy);\n            this._overlayRef = this._overlay.create(config);\n            // Consume the `keydownEvents` in order to prevent them from going to another overlay.\n            // Ideally we'd also have our keyboard event logic in here, however doing so will\n            // break anybody that may have implemented the `MatMenuPanel` themselves.\n            this._overlayRef.keydownEvents().subscribe();\n        }\n        return this._overlayRef;\n    };\n    /**\n     * This method builds the configuration object needed to create the overlay, the OverlayState.\n     * @returns OverlayConfig\n     */\n    MatMenuTrigger.prototype._getOverlayConfig = function () {\n        return new OverlayConfig({\n            positionStrategy: this._overlay.position()\n                .flexibleConnectedTo(this._element)\n                .withLockedPosition()\n                .withTransformOriginOn('.mat-menu-panel, .mat-mdc-menu-panel'),\n            backdropClass: this.menu.backdropClass || 'cdk-overlay-transparent-backdrop',\n            scrollStrategy: this._scrollStrategy(),\n            direction: this._dir\n        });\n    };\n    /**\n     * Listens to changes in the position of the overlay and sets the correct classes\n     * on the menu based on the new position. This ensures the animation origin is always\n     * correct, even if a fallback position is used for the overlay.\n     */\n    MatMenuTrigger.prototype._subscribeToPositions = function (position) {\n        var _this = this;\n        if (this.menu.setPositionClasses) {\n            position.positionChanges.subscribe(function (change) {\n                var posX = change.connectionPair.overlayX === 'start' ? 'after' : 'before';\n                var posY = change.connectionPair.overlayY === 'top' ? 'below' : 'above';\n                _this.menu.setPositionClasses(posX, posY);\n            });\n        }\n    };\n    /**\n     * Sets the appropriate positions on a position strategy\n     * so the overlay connects with the trigger correctly.\n     * @param positionStrategy Strategy whose position to update.\n     */\n    MatMenuTrigger.prototype._setPosition = function (positionStrategy) {\n        var _a = __read(this.menu.xPosition === 'before' ? ['end', 'start'] : ['start', 'end'], 2), originX = _a[0], originFallbackX = _a[1];\n        var _b = __read(this.menu.yPosition === 'above' ? ['bottom', 'top'] : ['top', 'bottom'], 2), overlayY = _b[0], overlayFallbackY = _b[1];\n        var _c = __read([overlayY, overlayFallbackY], 2), originY = _c[0], originFallbackY = _c[1];\n        var _d = __read([originX, originFallbackX], 2), overlayX = _d[0], overlayFallbackX = _d[1];\n        var offsetY = 0;\n        if (this.triggersSubmenu()) {\n            // When the menu is a sub-menu, it should always align itself\n            // to the edges of the trigger, instead of overlapping it.\n            overlayFallbackX = originX = this.menu.xPosition === 'before' ? 'start' : 'end';\n            originFallbackX = overlayX = originX === 'end' ? 'start' : 'end';\n            offsetY = overlayY === 'bottom' ? MENU_PANEL_TOP_PADDING : -MENU_PANEL_TOP_PADDING;\n        }\n        else if (!this.menu.overlapTrigger) {\n            originY = overlayY === 'top' ? 'bottom' : 'top';\n            originFallbackY = overlayFallbackY === 'top' ? 'bottom' : 'top';\n        }\n        positionStrategy.withPositions([\n            { originX: originX, originY: originY, overlayX: overlayX, overlayY: overlayY, offsetY: offsetY },\n            { originX: originFallbackX, originY: originY, overlayX: overlayFallbackX, overlayY: overlayY, offsetY: offsetY },\n            {\n                originX: originX,\n                originY: originFallbackY,\n                overlayX: overlayX,\n                overlayY: overlayFallbackY,\n                offsetY: -offsetY\n            },\n            {\n                originX: originFallbackX,\n                originY: originFallbackY,\n                overlayX: overlayFallbackX,\n                overlayY: overlayFallbackY,\n                offsetY: -offsetY\n            }\n        ]);\n    };\n    /** Returns a stream that emits whenever an action that should close the menu occurs. */\n    MatMenuTrigger.prototype._menuClosingActions = function () {\n        var _this = this;\n        var backdrop = this._overlayRef.backdropClick();\n        var detachments = this._overlayRef.detachments();\n        var parentClose = this._parentMenu ? this._parentMenu.closed : of();\n        var hover = this._parentMenu ? this._parentMenu._hovered().pipe(filter(function (active) { return active !== _this._menuItemInstance; }), filter(function () { return _this._menuOpen; })) : of();\n        return merge(backdrop, parentClose, hover, detachments);\n    };\n    /** Handles mouse presses on the trigger. */\n    MatMenuTrigger.prototype._handleMousedown = function (event) {\n        if (!isFakeMousedownFromScreenReader(event)) {\n            // Since right or middle button clicks won't trigger the `click` event,\n            // we shouldn't consider the menu as opened by mouse in those cases.\n            this._openedBy = event.button === 0 ? 'mouse' : null;\n            // Since clicking on the trigger won't close the menu if it opens a sub-menu,\n            // we should prevent focus from moving onto it via click to avoid the\n            // highlight from lingering on the menu item.\n            if (this.triggersSubmenu()) {\n                event.preventDefault();\n            }\n        }\n    };\n    /** Handles key presses on the trigger. */\n    MatMenuTrigger.prototype._handleKeydown = function (event) {\n        var keyCode = event.keyCode;\n        if (this.triggersSubmenu() && ((keyCode === RIGHT_ARROW && this.dir === 'ltr') ||\n            (keyCode === LEFT_ARROW && this.dir === 'rtl'))) {\n            this.openMenu();\n        }\n    };\n    /** Handles click events on the trigger. */\n    MatMenuTrigger.prototype._handleClick = function (event) {\n        if (this.triggersSubmenu()) {\n            // Stop event propagation to avoid closing the parent menu.\n            event.stopPropagation();\n            this.openMenu();\n        }\n        else {\n            this.toggleMenu();\n        }\n    };\n    /** Handles the cases where the user hovers over the trigger. */\n    MatMenuTrigger.prototype._handleHover = function () {\n        var _this = this;\n        // Subscribe to changes in the hovered item in order to toggle the panel.\n        if (!this.triggersSubmenu()) {\n            return;\n        }\n        this._hoverSubscription = this._parentMenu._hovered()\n            // Since we might have multiple competing triggers for the same menu (e.g. a sub-menu\n            // with different data and triggers), we have to delay it by a tick to ensure that\n            // it won't be closed immediately after it is opened.\n            .pipe(filter(function (active) { return active === _this._menuItemInstance && !active.disabled; }), delay(0, asapScheduler))\n            .subscribe(function () {\n            _this._openedBy = 'mouse';\n            // If the same menu is used between multiple triggers, it might still be animating\n            // while the new trigger tries to re-open it. Wait for the animation to finish\n            // before doing so. Also interrupt if the user moves to another item.\n            if (_this.menu instanceof MatMenu && _this.menu._isAnimating) {\n                // We need the `delay(0)` here in order to avoid\n                // 'changed after checked' errors in some cases. See #12194.\n                _this.menu._animationDone\n                    .pipe(take(1), delay(0, asapScheduler), takeUntil(_this._parentMenu._hovered()))\n                    .subscribe(function () { return _this.openMenu(); });\n            }\n            else {\n                _this.openMenu();\n            }\n        });\n    };\n    /** Gets the portal that should be attached to the overlay. */\n    MatMenuTrigger.prototype._getPortal = function () {\n        // Note that we can avoid this check by keeping the portal on the menu panel.\n        // While it would be cleaner, we'd have to introduce another required method on\n        // `MatMenuPanel`, making it harder to consume.\n        if (!this._portal || this._portal.templateRef !== this.menu.templateRef) {\n            this._portal = new TemplatePortal(this.menu.templateRef, this._viewContainerRef);\n        }\n        return this._portal;\n    };\n    MatMenuTrigger.decorators = [\n        { type: Directive, args: [{\n                    selector: \"[mat-menu-trigger-for], [matMenuTriggerFor]\",\n                    host: {\n                        'class': 'mat-menu-trigger',\n                        'aria-haspopup': 'true',\n                        '[attr.aria-expanded]': 'menuOpen || null',\n                        '[attr.aria-controls]': 'menuOpen ? menu.panelId : null',\n                        '(mousedown)': '_handleMousedown($event)',\n                        '(keydown)': '_handleKeydown($event)',\n                        '(click)': '_handleClick($event)',\n                    },\n                    exportAs: 'matMenuTrigger'\n                },] }\n    ];\n    /** @nocollapse */\n    MatMenuTrigger.ctorParameters = function () { return [\n        { type: Overlay },\n        { type: ElementRef },\n        { type: ViewContainerRef },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_MENU_SCROLL_STRATEGY,] }] },\n        { type: MatMenu, decorators: [{ type: Optional }] },\n        { type: MatMenuItem, decorators: [{ type: Optional }, { type: Self }] },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: FocusMonitor }\n    ]; };\n    MatMenuTrigger.propDecorators = {\n        _deprecatedMatMenuTriggerFor: [{ type: Input, args: ['mat-menu-trigger-for',] }],\n        menu: [{ type: Input, args: ['matMenuTriggerFor',] }],\n        menuData: [{ type: Input, args: ['matMenuTriggerData',] }],\n        restoreFocus: [{ type: Input, args: ['matMenuTriggerRestoreFocus',] }],\n        menuOpened: [{ type: Output }],\n        onMenuOpen: [{ type: Output }],\n        menuClosed: [{ type: Output }],\n        onMenuClose: [{ type: Output }]\n    };\n    return MatMenuTrigger;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Used by both the current `MatMenuModule` and the MDC `MatMenuModule`\n * to declare the menu-related directives.\n */\nvar _MatMenuDirectivesModule = /** @class */ (function () {\n    function _MatMenuDirectivesModule() {\n    }\n    _MatMenuDirectivesModule.decorators = [\n        { type: NgModule, args: [{\n                    exports: [MatMenuTrigger, MatMenuContent, MatCommonModule],\n                    declarations: [\n                        MatMenuTrigger,\n                        MatMenuContent,\n                    ],\n                    providers: [MAT_MENU_SCROLL_STRATEGY_FACTORY_PROVIDER]\n                },] }\n    ];\n    return _MatMenuDirectivesModule;\n}());\nvar MatMenuModule = /** @class */ (function () {\n    function MatMenuModule() {\n    }\n    MatMenuModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [\n                        CommonModule,\n                        MatCommonModule,\n                        MatRippleModule,\n                        OverlayModule,\n                        _MatMenuDirectivesModule,\n                    ],\n                    exports: [_MatMenu, MatMenuItem, _MatMenuDirectivesModule],\n                    declarations: [_MatMenu, MatMenuItem],\n                    providers: [MAT_MENU_SCROLL_STRATEGY_FACTORY_PROVIDER]\n                },] }\n    ];\n    return MatMenuModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MAT_MENU_DEFAULT_OPTIONS, MAT_MENU_PANEL, MAT_MENU_SCROLL_STRATEGY, MatMenu, MatMenuContent, MatMenuItem, MatMenuModule, MatMenuTrigger, _MatMenu, _MatMenuBase, _MatMenuDirectivesModule, fadeInItems, matMenuAnimations, transformMenu, MAT_MENU_DEFAULT_OPTIONS_FACTORY as ɵangular_material_src_material_menu_menu_a, MAT_MENU_SCROLL_STRATEGY_FACTORY as ɵangular_material_src_material_menu_menu_b, MAT_MENU_SCROLL_STRATEGY_FACTORY_PROVIDER as ɵangular_material_src_material_menu_menu_c };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { retrieveRawValue } from '../../data/helper/dataProvider';\nimport { formatTpl } from '../../util/format';\nimport { makePrintable } from '../../util/log';\nvar DIMENSION_LABEL_REG = /\\{@(.+?)\\}/g;\n\nvar DataFormatMixin =\n/** @class */\nfunction () {\n  function DataFormatMixin() {}\n  /**\n   * Get params for formatter\n   */\n\n\n  DataFormatMixin.prototype.getDataParams = function (dataIndex, dataType) {\n    var data = this.getData(dataType);\n    var rawValue = this.getRawValue(dataIndex, dataType);\n    var rawDataIndex = data.getRawIndex(dataIndex);\n    var name = data.getName(dataIndex);\n    var itemOpt = data.getRawDataItem(dataIndex);\n    var style = data.getItemVisual(dataIndex, 'style');\n    var color = style && style[data.getItemVisual(dataIndex, 'drawType') || 'fill'];\n    var borderColor = style && style.stroke;\n    var mainType = this.mainType;\n    var isSeries = mainType === 'series';\n    var userOutput = data.userOutput;\n    return {\n      componentType: mainType,\n      componentSubType: this.subType,\n      componentIndex: this.componentIndex,\n      seriesType: isSeries ? this.subType : null,\n      seriesIndex: this.seriesIndex,\n      seriesId: isSeries ? this.id : null,\n      seriesName: isSeries ? this.name : null,\n      name: name,\n      dataIndex: rawDataIndex,\n      data: itemOpt,\n      dataType: dataType,\n      value: rawValue,\n      color: color,\n      borderColor: borderColor,\n      dimensionNames: userOutput ? userOutput.dimensionNames : null,\n      encode: userOutput ? userOutput.encode : null,\n      // Param name list for mapping `a`, `b`, `c`, `d`, `e`\n      $vars: ['seriesName', 'name', 'value']\n    };\n  };\n  /**\n   * Format label\n   * @param dataIndex\n   * @param status 'normal' by default\n   * @param dataType\n   * @param labelDimIndex Only used in some chart that\n   *        use formatter in different dimensions, like radar.\n   * @param formatter Formatter given outside.\n   * @return return null/undefined if no formatter\n   */\n\n\n  DataFormatMixin.prototype.getFormattedLabel = function (dataIndex, status, dataType, labelDimIndex, formatter, extendParams) {\n    status = status || 'normal';\n    var data = this.getData(dataType);\n    var params = this.getDataParams(dataIndex, dataType);\n\n    if (extendParams) {\n      params.value = extendParams.interpolatedValue;\n    }\n\n    if (labelDimIndex != null && zrUtil.isArray(params.value)) {\n      params.value = params.value[labelDimIndex];\n    }\n\n    if (!formatter) {\n      var itemModel = data.getItemModel(dataIndex); // @ts-ignore\n\n      formatter = itemModel.get(status === 'normal' ? ['label', 'formatter'] : [status, 'label', 'formatter']);\n    }\n\n    if (typeof formatter === 'function') {\n      params.status = status;\n      params.dimensionIndex = labelDimIndex;\n      return formatter(params);\n    } else if (typeof formatter === 'string') {\n      var str = formatTpl(formatter, params); // Support 'aaa{@[3]}bbb{@product}ccc'.\n      // Do not support '}' in dim name util have to.\n\n      return str.replace(DIMENSION_LABEL_REG, function (origin, dimStr) {\n        var len = dimStr.length;\n        var dimLoose = dimStr.charAt(0) === '[' && dimStr.charAt(len - 1) === ']' ? +dimStr.slice(1, len - 1) // Also support: '[]' => 0\n        : dimStr;\n        var val = retrieveRawValue(data, dataIndex, dimLoose);\n\n        if (extendParams && zrUtil.isArray(extendParams.interpolatedValue)) {\n          var dimInfo = data.getDimensionInfo(dimLoose);\n\n          if (dimInfo) {\n            val = extendParams.interpolatedValue[dimInfo.index];\n          }\n        }\n\n        return val != null ? val + '' : '';\n      });\n    }\n  };\n  /**\n   * Get raw value in option\n   */\n\n\n  DataFormatMixin.prototype.getRawValue = function (idx, dataType) {\n    return retrieveRawValue(this.getData(dataType), idx);\n  };\n  /**\n   * Should be implemented.\n   * @param {number} dataIndex\n   * @param {boolean} [multipleSeries=false]\n   * @param {string} [dataType]\n   */\n\n\n  DataFormatMixin.prototype.formatTooltip = function (dataIndex, multipleSeries, dataType) {\n    // Empty function\n    return;\n  };\n\n  return DataFormatMixin;\n}();\n\nexport { DataFormatMixin };\n; // PENDING: previously we accept this type when calling `formatTooltip`,\n// but guess little chance has been used outside. Do we need to backward\n// compat it?\n// type TooltipFormatResultLegacyObject = {\n//     // `html` means the markup language text, either in 'html' or 'richText'.\n//     // The name `html` is not appropriate becuase in 'richText' it is not a HTML\n//     // string. But still support it for backward compat.\n//     html: string;\n//     markers: Dictionary<ColorString>;\n// };\n\n/**\n * For backward compat, normalize the return from `formatTooltip`.\n */\n\nexport function normalizeTooltipFormatResult(result // markersExisting: Dictionary<ColorString>\n) {\n  var markupText; // let markers: Dictionary<ColorString>;\n\n  var markupFragment;\n\n  if (zrUtil.isObject(result)) {\n    if (result.type) {\n      markupFragment = result;\n    } else {\n      if (process.env.NODE_ENV !== 'production') {\n        console.warn('The return type of `formatTooltip` is not supported: ' + makePrintable(result));\n      }\n    } // else {\n    //     markupText = (result as TooltipFormatResultLegacyObject).html;\n    //     markers = (result as TooltipFormatResultLegacyObject).markers;\n    //     if (markersExisting) {\n    //         markers = zrUtil.merge(markersExisting, markers);\n    //     }\n    // }\n\n  } else {\n    markupText = result;\n  }\n\n  return {\n    markupText: markupText,\n    // markers: markers || markersExisting,\n    markupFragment: markupFragment\n  };\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport makeStyleMapper from './makeStyleMapper';\nexport var LINE_STYLE_KEY_MAP = [['lineWidth', 'width'], ['stroke', 'color'], ['opacity'], ['shadowBlur'], ['shadowOffsetX'], ['shadowOffsetY'], ['shadowColor'], ['lineDash', 'type'], ['lineDashOffset', 'dashOffset'], ['lineCap', 'cap'], ['lineJoin', 'join'], ['miterLimit'] // Option decal is in `DecalObject` but style.decal is in `PatternObject`.\n// So do not transfer decal directly.\n];\nvar getLineStyle = makeStyleMapper(LINE_STYLE_KEY_MAP);\n\nvar LineStyleMixin =\n/** @class */\nfunction () {\n  function LineStyleMixin() {}\n\n  LineStyleMixin.prototype.getLineStyle = function (excludes) {\n    return getLineStyle(this, excludes);\n  };\n\n  return LineStyleMixin;\n}();\n\n;\nexport { LineStyleMixin };","import { __extends } from \"tslib\";\nimport Displayble from './Displayable';\nimport BoundingRect from '../core/BoundingRect';\nvar m = [];\nvar IncrementalDisplayable = (function (_super) {\n    __extends(IncrementalDisplayable, _super);\n    function IncrementalDisplayable() {\n        var _this = _super !== null && _super.apply(this, arguments) || this;\n        _this.notClear = true;\n        _this.incremental = true;\n        _this._displayables = [];\n        _this._temporaryDisplayables = [];\n        _this._cursor = 0;\n        return _this;\n    }\n    IncrementalDisplayable.prototype.traverse = function (cb, context) {\n        cb.call(context, this);\n    };\n    IncrementalDisplayable.prototype.useStyle = function () {\n        this.style = {};\n    };\n    IncrementalDisplayable.prototype.getCursor = function () {\n        return this._cursor;\n    };\n    IncrementalDisplayable.prototype.innerAfterBrush = function () {\n        this._cursor = this._displayables.length;\n    };\n    IncrementalDisplayable.prototype.clearDisplaybles = function () {\n        this._displayables = [];\n        this._temporaryDisplayables = [];\n        this._cursor = 0;\n        this.markRedraw();\n        this.notClear = false;\n    };\n    IncrementalDisplayable.prototype.clearTemporalDisplayables = function () {\n        this._temporaryDisplayables = [];\n    };\n    IncrementalDisplayable.prototype.addDisplayable = function (displayable, notPersistent) {\n        if (notPersistent) {\n            this._temporaryDisplayables.push(displayable);\n        }\n        else {\n            this._displayables.push(displayable);\n        }\n        this.markRedraw();\n    };\n    IncrementalDisplayable.prototype.addDisplayables = function (displayables, notPersistent) {\n        notPersistent = notPersistent || false;\n        for (var i = 0; i < displayables.length; i++) {\n            this.addDisplayable(displayables[i], notPersistent);\n        }\n    };\n    IncrementalDisplayable.prototype.getDisplayables = function () {\n        return this._displayables;\n    };\n    IncrementalDisplayable.prototype.getTemporalDisplayables = function () {\n        return this._temporaryDisplayables;\n    };\n    IncrementalDisplayable.prototype.eachPendingDisplayable = function (cb) {\n        for (var i = this._cursor; i < this._displayables.length; i++) {\n            cb && cb(this._displayables[i]);\n        }\n        for (var i = 0; i < this._temporaryDisplayables.length; i++) {\n            cb && cb(this._temporaryDisplayables[i]);\n        }\n    };\n    IncrementalDisplayable.prototype.update = function () {\n        this.updateTransform();\n        for (var i = this._cursor; i < this._displayables.length; i++) {\n            var displayable = this._displayables[i];\n            displayable.parent = this;\n            displayable.update();\n            displayable.parent = null;\n        }\n        for (var i = 0; i < this._temporaryDisplayables.length; i++) {\n            var displayable = this._temporaryDisplayables[i];\n            displayable.parent = this;\n            displayable.update();\n            displayable.parent = null;\n        }\n    };\n    IncrementalDisplayable.prototype.getBoundingRect = function () {\n        if (!this._rect) {\n            var rect = new BoundingRect(Infinity, Infinity, -Infinity, -Infinity);\n            for (var i = 0; i < this._displayables.length; i++) {\n                var displayable = this._displayables[i];\n                var childRect = displayable.getBoundingRect().clone();\n                if (displayable.needLocalTransform()) {\n                    childRect.applyTransform(displayable.getLocalTransform(m));\n                }\n                rect.union(childRect);\n            }\n            this._rect = rect;\n        }\n        return this._rect;\n    };\n    IncrementalDisplayable.prototype.contain = function (x, y) {\n        var localPos = this.transformCoordToLocal(x, y);\n        var rect = this.getBoundingRect();\n        if (rect.contain(localPos[0], localPos[1])) {\n            for (var i = 0; i < this._displayables.length; i++) {\n                var displayable = this._displayables[i];\n                if (displayable.contain(x, y)) {\n                    return true;\n                }\n            }\n        }\n        return false;\n    };\n    return IncrementalDisplayable;\n}(Displayble));\nexport default IncrementalDisplayable;\n","import { Observable } from '../Observable';\nimport { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { EmptyError } from '../util/EmptyError';\nimport { OperatorFunction } from '../../internal/types';\nimport { filter } from './filter';\nimport { take } from './take';\nimport { defaultIfEmpty } from './defaultIfEmpty';\nimport { throwIfEmpty } from './throwIfEmpty';\nimport { identity } from '../util/identity';\n\n/* tslint:disable:max-line-length */\nexport function first<T, D = T>(\n  predicate?: null,\n  defaultValue?: D\n): OperatorFunction<T, T | D>;\nexport function first<T, S extends T>(\n  predicate: (value: T, index: number, source: Observable<T>) => value is S,\n  defaultValue?: S\n): OperatorFunction<T, S>;\nexport function first<T, D = T>(\n  predicate: (value: T, index: number, source: Observable<T>) => boolean,\n  defaultValue?: D\n): OperatorFunction<T, T | D>;\n/* tslint:enable:max-line-length */\n\n/**\n * Emits only the first value (or the first value that meets some condition)\n * emitted by the source Observable.\n *\n * <span class=\"informal\">Emits only the first value. Or emits only the first\n * value that passes some test.</span>\n *\n * ![](first.png)\n *\n * If called with no arguments, `first` emits the first value of the source\n * Observable, then completes. If called with a `predicate` function, `first`\n * emits the first value of the source that matches the specified condition. It\n * may also take a deprecated `resultSelector` function to produce the output\n * value from the input value, and a `defaultValue` to emit in case the source\n * completes before it is able to emit a valid value. Throws an error if\n * `defaultValue` was not provided and a matching element is not found.\n *\n * ## Examples\n * Emit only the first click that happens on the DOM\n * ```ts\n * import { fromEvent } from 'rxjs';\n * import { first } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(first());\n * result.subscribe(x => console.log(x));\n * ```\n *\n * Emits the first click that happens on a DIV\n * ```ts\n * import { fromEvent } from 'rxjs';\n * import { first } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(first(ev => ev.target.tagName === 'DIV'));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link filter}\n * @see {@link find}\n * @see {@link take}\n *\n * @throws {EmptyError} Delivers an EmptyError to the Observer's `error`\n * callback if the Observable completes before any `next` notification was sent.\n *\n * @param {function(value: T, index: number, source: Observable<T>): boolean} [predicate]\n * An optional function called with each item to test for condition matching.\n * @param {R} [defaultValue] The default value emitted in case no valid value\n * was found on the source.\n * @return {Observable<T|R>} An Observable of the first item that matches the\n * condition.\n * @method first\n * @owner Observable\n */\nexport function first<T, D>(\n  predicate?: ((value: T, index: number, source: Observable<T>) => boolean) | null,\n  defaultValue?: D\n): OperatorFunction<T, T | D> {\n  const hasDefaultValue = arguments.length >= 2;\n  return (source: Observable<T>) => source.pipe(\n    predicate ? filter((v, i) => predicate(v, i, source)) : identity,\n    take(1),\n    hasDefaultValue ? defaultIfEmpty<T | D>(defaultValue) : throwIfEmpty(() => new EmptyError()),\n  );\n}\n","import { mergeMap } from './mergeMap';\nimport { ObservableInput, OperatorFunction, ObservedValueOf } from '../types';\n\n/* tslint:disable:max-line-length */\nexport function concatMap<T, O extends ObservableInput<any>>(project: (value: T, index: number) =>  O): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated resultSelector no longer supported, use inner map instead */\nexport function concatMap<T, O extends ObservableInput<any>>(project: (value: T, index: number) => O, resultSelector: undefined): OperatorFunction<T, ObservedValueOf<O>>;\n/** @deprecated resultSelector no longer supported, use inner map instead */\nexport function concatMap<T, R, O extends ObservableInput<any>>(project: (value: T, index: number) =>  O, resultSelector: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R): OperatorFunction<T, R>;\n/* tslint:enable:max-line-length */\n\n/**\n * Projects each source value to an Observable which is merged in the output\n * Observable, in a serialized fashion waiting for each one to complete before\n * merging the next.\n *\n * <span class=\"informal\">Maps each value to an Observable, then flattens all of\n * these inner Observables using {@link concatAll}.</span>\n *\n * ![](concatMap.png)\n *\n * Returns an Observable that emits items based on applying a function that you\n * supply to each item emitted by the source Observable, where that function\n * returns an (so-called \"inner\") Observable. Each new inner Observable is\n * concatenated with the previous inner Observable.\n *\n * __Warning:__ if source values arrive endlessly and faster than their\n * corresponding inner Observables can complete, it will result in memory issues\n * as inner Observables amass in an unbounded buffer waiting for their turn to\n * be subscribed to.\n *\n * Note: `concatMap` is equivalent to `mergeMap` with concurrency parameter set\n * to `1`.\n *\n * ## Example\n * For each click event, tick every second from 0 to 3, with no concurrency\n *\n * ```ts\n * import { fromEvent, interval } from 'rxjs';\n * import { concatMap, take } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(\n *   concatMap(ev => interval(1000).pipe(take(4)))\n * );\n * result.subscribe(x => console.log(x));\n *\n * // Results in the following:\n * // (results are not concurrent)\n * // For every click on the \"document\" it will emit values 0 to 3 spaced\n * // on a 1000ms interval\n * // one click = 1000ms-> 0 -1000ms-> 1 -1000ms-> 2 -1000ms-> 3\n * ```\n *\n * @see {@link concat}\n * @see {@link concatAll}\n * @see {@link concatMapTo}\n * @see {@link exhaustMap}\n * @see {@link mergeMap}\n * @see {@link switchMap}\n *\n * @param {function(value: T, ?index: number): ObservableInput} project A function\n * that, when applied to an item emitted by the source Observable, returns an\n * Observable.\n * @return {Observable} An Observable that emits the result of applying the\n * projection function (and the optional deprecated `resultSelector`) to each item emitted\n * by the source Observable and taking values from each projected inner\n * Observable sequentially.\n * @method concatMap\n * @owner Observable\n */\nexport function concatMap<T, R, O extends ObservableInput<any>>(\n  project: (value: T, index: number) => O,\n  resultSelector?: (outerValue: T, innerValue: ObservedValueOf<O>, outerIndex: number, innerIndex: number) => R\n): OperatorFunction<T, ObservedValueOf<O>|R> {\n  return mergeMap(project, resultSelector, 1);\n}\n","export function create(x, y) {\n    if (x == null) {\n        x = 0;\n    }\n    if (y == null) {\n        y = 0;\n    }\n    return [x, y];\n}\nexport function copy(out, v) {\n    out[0] = v[0];\n    out[1] = v[1];\n    return out;\n}\nexport function clone(v) {\n    return [v[0], v[1]];\n}\nexport function set(out, a, b) {\n    out[0] = a;\n    out[1] = b;\n    return out;\n}\nexport function add(out, v1, v2) {\n    out[0] = v1[0] + v2[0];\n    out[1] = v1[1] + v2[1];\n    return out;\n}\nexport function scaleAndAdd(out, v1, v2, a) {\n    out[0] = v1[0] + v2[0] * a;\n    out[1] = v1[1] + v2[1] * a;\n    return out;\n}\nexport function sub(out, v1, v2) {\n    out[0] = v1[0] - v2[0];\n    out[1] = v1[1] - v2[1];\n    return out;\n}\nexport function len(v) {\n    return Math.sqrt(lenSquare(v));\n}\nexport var length = len;\nexport function lenSquare(v) {\n    return v[0] * v[0] + v[1] * v[1];\n}\nexport var lengthSquare = lenSquare;\nexport function mul(out, v1, v2) {\n    out[0] = v1[0] * v2[0];\n    out[1] = v1[1] * v2[1];\n    return out;\n}\nexport function div(out, v1, v2) {\n    out[0] = v1[0] / v2[0];\n    out[1] = v1[1] / v2[1];\n    return out;\n}\nexport function dot(v1, v2) {\n    return v1[0] * v2[0] + v1[1] * v2[1];\n}\nexport function scale(out, v, s) {\n    out[0] = v[0] * s;\n    out[1] = v[1] * s;\n    return out;\n}\nexport function normalize(out, v) {\n    var d = len(v);\n    if (d === 0) {\n        out[0] = 0;\n        out[1] = 0;\n    }\n    else {\n        out[0] = v[0] / d;\n        out[1] = v[1] / d;\n    }\n    return out;\n}\nexport function distance(v1, v2) {\n    return Math.sqrt((v1[0] - v2[0]) * (v1[0] - v2[0])\n        + (v1[1] - v2[1]) * (v1[1] - v2[1]));\n}\nexport var dist = distance;\nexport function distanceSquare(v1, v2) {\n    return (v1[0] - v2[0]) * (v1[0] - v2[0])\n        + (v1[1] - v2[1]) * (v1[1] - v2[1]);\n}\nexport var distSquare = distanceSquare;\nexport function negate(out, v) {\n    out[0] = -v[0];\n    out[1] = -v[1];\n    return out;\n}\nexport function lerp(out, v1, v2, t) {\n    out[0] = v1[0] + t * (v2[0] - v1[0]);\n    out[1] = v1[1] + t * (v2[1] - v1[1]);\n    return out;\n}\nexport function applyTransform(out, v, m) {\n    var x = v[0];\n    var y = v[1];\n    out[0] = m[0] * x + m[2] * y + m[4];\n    out[1] = m[1] * x + m[3] * y + m[5];\n    return out;\n}\nexport function min(out, v1, v2) {\n    out[0] = Math.min(v1[0], v2[0]);\n    out[1] = Math.min(v1[1], v2[1]);\n    return out;\n}\nexport function max(out, v1, v2) {\n    out[0] = Math.max(v1[0], v2[0]);\n    out[1] = Math.max(v1[1], v2[1]);\n    return out;\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { makeInner, normalizeToArray } from '../../util/model';\nvar innerColor = makeInner();\nvar innerDecal = makeInner();\n\nvar PaletteMixin =\n/** @class */\nfunction () {\n  function PaletteMixin() {}\n\n  PaletteMixin.prototype.getColorFromPalette = function (name, scope, requestNum) {\n    var defaultPalette = normalizeToArray(this.get('color', true));\n    var layeredPalette = this.get('colorLayer', true);\n    return getFromPalette(this, innerColor, defaultPalette, layeredPalette, name, scope, requestNum);\n  };\n\n  PaletteMixin.prototype.clearColorPalette = function () {\n    clearPalette(this, innerColor);\n  };\n\n  return PaletteMixin;\n}();\n\nexport function getDecalFromPalette(ecModel, name, scope, requestNum) {\n  var defaultDecals = normalizeToArray(ecModel.get(['aria', 'decal', 'decals']));\n  return getFromPalette(ecModel, innerDecal, defaultDecals, null, name, scope, requestNum);\n}\n\nfunction getNearestPalette(palettes, requestColorNum) {\n  var paletteNum = palettes.length; // TODO palettes must be in order\n\n  for (var i = 0; i < paletteNum; i++) {\n    if (palettes[i].length > requestColorNum) {\n      return palettes[i];\n    }\n  }\n\n  return palettes[paletteNum - 1];\n}\n/**\n * @param name MUST NOT be null/undefined. Otherwise call this function\n *             twise with the same parameters will get different result.\n * @param scope default this.\n * @return Can be null/undefined\n */\n\n\nfunction getFromPalette(that, inner, defaultPalette, layeredPalette, name, scope, requestNum) {\n  scope = scope || that;\n  var scopeFields = inner(scope);\n  var paletteIdx = scopeFields.paletteIdx || 0;\n  var paletteNameMap = scopeFields.paletteNameMap = scopeFields.paletteNameMap || {}; // Use `hasOwnProperty` to avoid conflict with Object.prototype.\n\n  if (paletteNameMap.hasOwnProperty(name)) {\n    return paletteNameMap[name];\n  }\n\n  var palette = requestNum == null || !layeredPalette ? defaultPalette : getNearestPalette(layeredPalette, requestNum); // In case can't find in layered color palette.\n\n  palette = palette || defaultPalette;\n\n  if (!palette || !palette.length) {\n    return;\n  }\n\n  var pickedPaletteItem = palette[paletteIdx];\n\n  if (name) {\n    paletteNameMap[name] = pickedPaletteItem;\n  }\n\n  scopeFields.paletteIdx = (paletteIdx + 1) % palette.length;\n  return pickedPaletteItem;\n}\n\nfunction clearPalette(that, inner) {\n  inner(that).paletteIdx = 0;\n  inner(that).paletteNameMap = {};\n}\n\nexport { PaletteMixin };","/**\n * @license Angular v9.0.0\n * (c) 2010-2020 Google LLC. https://angular.io/\n * License: MIT\n */\n\nimport { __decorate, __metadata, __param, __extends, __assign, __values, __spread } from 'tslib';\nimport { InjectionToken, forwardRef, Directive, Renderer2, ElementRef, Optional, Inject, Self, ɵisPromise, ɵisObservable, Injectable, Input, Injector, ɵlooseIdentical, Host, isDevMode, EventEmitter, SkipSelf, Output, NgModule, Version } from '@angular/core';\nimport { ɵgetDOM } from '@angular/common';\nimport { forkJoin, from } from 'rxjs';\nimport { map } from 'rxjs/operators';\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Used to provide a `ControlValueAccessor` for form controls.\n *\n * See `DefaultValueAccessor` for how to implement one.\n *\n * @publicApi\n */\nvar NG_VALUE_ACCESSOR = new InjectionToken('NgValueAccessor');\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar CHECKBOX_VALUE_ACCESSOR = {\n    provide: NG_VALUE_ACCESSOR,\n    useExisting: forwardRef(function () { return CheckboxControlValueAccessor; }),\n    multi: true,\n};\n/**\n * @description\n * A `ControlValueAccessor` for writing a value and listening to changes on a checkbox input\n * element.\n *\n * @usageNotes\n *\n * ### Using a checkbox with a reactive form.\n *\n * The following example shows how to use a checkbox with a reactive form.\n *\n * ```ts\n * const rememberLoginControl = new FormControl();\n * ```\n *\n * ```\n * <input type=\"checkbox\" [formControl]=\"rememberLoginControl\">\n * ```\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar CheckboxControlValueAccessor = /** @class */ (function () {\n    function CheckboxControlValueAccessor(_renderer, _elementRef) {\n        this._renderer = _renderer;\n        this._elementRef = _elementRef;\n        /**\n         * @description\n         * The registered callback function called when a change event occurs on the input element.\n         */\n        this.onChange = function (_) { };\n        /**\n         * @description\n         * The registered callback function called when a blur event occurs on the input element.\n         */\n        this.onTouched = function () { };\n    }\n    /**\n     * Sets the \"checked\" property on the input element.\n     *\n     * @param value The checked value\n     */\n    CheckboxControlValueAccessor.prototype.writeValue = function (value) {\n        this._renderer.setProperty(this._elementRef.nativeElement, 'checked', value);\n    };\n    /**\n     * @description\n     * Registers a function called when the control value changes.\n     *\n     * @param fn The callback function\n     */\n    CheckboxControlValueAccessor.prototype.registerOnChange = function (fn) { this.onChange = fn; };\n    /**\n     * @description\n     * Registers a function called when the control is touched.\n     *\n     * @param fn The callback function\n     */\n    CheckboxControlValueAccessor.prototype.registerOnTouched = function (fn) { this.onTouched = fn; };\n    /**\n     * Sets the \"disabled\" property on the input element.\n     *\n     * @param isDisabled The disabled value\n     */\n    CheckboxControlValueAccessor.prototype.setDisabledState = function (isDisabled) {\n        this._renderer.setProperty(this._elementRef.nativeElement, 'disabled', isDisabled);\n    };\n    CheckboxControlValueAccessor = __decorate([\n        Directive({\n            selector: 'input[type=checkbox][formControlName],input[type=checkbox][formControl],input[type=checkbox][ngModel]',\n            host: { '(change)': 'onChange($event.target.checked)', '(blur)': 'onTouched()' },\n            providers: [CHECKBOX_VALUE_ACCESSOR]\n        }),\n        __metadata(\"design:paramtypes\", [Renderer2, ElementRef])\n    ], CheckboxControlValueAccessor);\n    return CheckboxControlValueAccessor;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar DEFAULT_VALUE_ACCESSOR = {\n    provide: NG_VALUE_ACCESSOR,\n    useExisting: forwardRef(function () { return DefaultValueAccessor; }),\n    multi: true\n};\n/**\n * We must check whether the agent is Android because composition events\n * behave differently between iOS and Android.\n */\nfunction _isAndroid() {\n    var userAgent = ɵgetDOM() ? ɵgetDOM().getUserAgent() : '';\n    return /android (\\d+)/.test(userAgent.toLowerCase());\n}\n/**\n * @description\n * Provide this token to control if form directives buffer IME input until\n * the \"compositionend\" event occurs.\n * @publicApi\n */\nvar COMPOSITION_BUFFER_MODE = new InjectionToken('CompositionEventMode');\n/**\n * @description\n * The default `ControlValueAccessor` for writing a value and listening to changes on input\n * elements. The accessor is used by the `FormControlDirective`, `FormControlName`, and\n * `NgModel` directives.\n *\n * @usageNotes\n *\n * ### Using the default value accessor\n *\n * The following example shows how to use an input element that activates the default value accessor\n * (in this case, a text field).\n *\n * ```ts\n * const firstNameControl = new FormControl();\n * ```\n *\n * ```\n * <input type=\"text\" [formControl]=\"firstNameControl\">\n * ```\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar DefaultValueAccessor = /** @class */ (function () {\n    function DefaultValueAccessor(_renderer, _elementRef, _compositionMode) {\n        this._renderer = _renderer;\n        this._elementRef = _elementRef;\n        this._compositionMode = _compositionMode;\n        /**\n         * @description\n         * The registered callback function called when an input event occurs on the input element.\n         */\n        this.onChange = function (_) { };\n        /**\n         * @description\n         * The registered callback function called when a blur event occurs on the input element.\n         */\n        this.onTouched = function () { };\n        /** Whether the user is creating a composition string (IME events). */\n        this._composing = false;\n        if (this._compositionMode == null) {\n            this._compositionMode = !_isAndroid();\n        }\n    }\n    /**\n     * Sets the \"value\" property on the input element.\n     *\n     * @param value The checked value\n     */\n    DefaultValueAccessor.prototype.writeValue = function (value) {\n        var normalizedValue = value == null ? '' : value;\n        this._renderer.setProperty(this._elementRef.nativeElement, 'value', normalizedValue);\n    };\n    /**\n     * @description\n     * Registers a function called when the control value changes.\n     *\n     * @param fn The callback function\n     */\n    DefaultValueAccessor.prototype.registerOnChange = function (fn) { this.onChange = fn; };\n    /**\n     * @description\n     * Registers a function called when the control is touched.\n     *\n     * @param fn The callback function\n     */\n    DefaultValueAccessor.prototype.registerOnTouched = function (fn) { this.onTouched = fn; };\n    /**\n     * Sets the \"disabled\" property on the input element.\n     *\n     * @param isDisabled The disabled value\n     */\n    DefaultValueAccessor.prototype.setDisabledState = function (isDisabled) {\n        this._renderer.setProperty(this._elementRef.nativeElement, 'disabled', isDisabled);\n    };\n    /** @internal */\n    DefaultValueAccessor.prototype._handleInput = function (value) {\n        if (!this._compositionMode || (this._compositionMode && !this._composing)) {\n            this.onChange(value);\n        }\n    };\n    /** @internal */\n    DefaultValueAccessor.prototype._compositionStart = function () { this._composing = true; };\n    /** @internal */\n    DefaultValueAccessor.prototype._compositionEnd = function (value) {\n        this._composing = false;\n        this._compositionMode && this.onChange(value);\n    };\n    DefaultValueAccessor = __decorate([\n        Directive({\n            selector: 'input:not([type=checkbox])[formControlName],textarea[formControlName],input:not([type=checkbox])[formControl],textarea[formControl],input:not([type=checkbox])[ngModel],textarea[ngModel],[ngDefaultControl]',\n            // TODO: vsavkin replace the above selector with the one below it once\n            // https://github.com/angular/angular/issues/3011 is implemented\n            // selector: '[ngModel],[formControl],[formControlName]',\n            host: {\n                '(input)': '$any(this)._handleInput($event.target.value)',\n                '(blur)': 'onTouched()',\n                '(compositionstart)': '$any(this)._compositionStart()',\n                '(compositionend)': '$any(this)._compositionEnd($event.target.value)'\n            },\n            providers: [DEFAULT_VALUE_ACCESSOR]\n        }),\n        __param(2, Optional()), __param(2, Inject(COMPOSITION_BUFFER_MODE)),\n        __metadata(\"design:paramtypes\", [Renderer2, ElementRef, Boolean])\n    ], DefaultValueAccessor);\n    return DefaultValueAccessor;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @description\n * Base class for control directives.\n *\n * This class is only used internally in the `ReactiveFormsModule` and the `FormsModule`.\n *\n * @publicApi\n */\nvar AbstractControlDirective = /** @class */ (function () {\n    function AbstractControlDirective() {\n    }\n    Object.defineProperty(AbstractControlDirective.prototype, \"value\", {\n        /**\n         * @description\n         * Reports the value of the control if it is present, otherwise null.\n         */\n        get: function () { return this.control ? this.control.value : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"valid\", {\n        /**\n         * @description\n         * Reports whether the control is valid. A control is considered valid if no\n         * validation errors exist with the current value.\n         * If the control is not present, null is returned.\n         */\n        get: function () { return this.control ? this.control.valid : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"invalid\", {\n        /**\n         * @description\n         * Reports whether the control is invalid, meaning that an error exists in the input value.\n         * If the control is not present, null is returned.\n         */\n        get: function () { return this.control ? this.control.invalid : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"pending\", {\n        /**\n         * @description\n         * Reports whether a control is pending, meaning that that async validation is occurring and\n         * errors are not yet available for the input value. If the control is not present, null is\n         * returned.\n         */\n        get: function () { return this.control ? this.control.pending : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"disabled\", {\n        /**\n         * @description\n         * Reports whether the control is disabled, meaning that the control is disabled\n         * in the UI and is exempt from validation checks and excluded from aggregate\n         * values of ancestor controls. If the control is not present, null is returned.\n         */\n        get: function () { return this.control ? this.control.disabled : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"enabled\", {\n        /**\n         * @description\n         * Reports whether the control is enabled, meaning that the control is included in ancestor\n         * calculations of validity or value. If the control is not present, null is returned.\n         */\n        get: function () { return this.control ? this.control.enabled : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"errors\", {\n        /**\n         * @description\n         * Reports the control's validation errors. If the control is not present, null is returned.\n         */\n        get: function () { return this.control ? this.control.errors : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"pristine\", {\n        /**\n         * @description\n         * Reports whether the control is pristine, meaning that the user has not yet changed\n         * the value in the UI. If the control is not present, null is returned.\n         */\n        get: function () { return this.control ? this.control.pristine : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"dirty\", {\n        /**\n         * @description\n         * Reports whether the control is dirty, meaning that the user has changed\n         * the value in the UI. If the control is not present, null is returned.\n         */\n        get: function () { return this.control ? this.control.dirty : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"touched\", {\n        /**\n         * @description\n         * Reports whether the control is touched, meaning that the user has triggered\n         * a `blur` event on it. If the control is not present, null is returned.\n         */\n        get: function () { return this.control ? this.control.touched : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"status\", {\n        /**\n         * @description\n         * Reports the validation status of the control. Possible values include:\n         * 'VALID', 'INVALID', 'DISABLED', and 'PENDING'.\n         * If the control is not present, null is returned.\n         */\n        get: function () { return this.control ? this.control.status : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"untouched\", {\n        /**\n         * @description\n         * Reports whether the control is untouched, meaning that the user has not yet triggered\n         * a `blur` event on it. If the control is not present, null is returned.\n         */\n        get: function () { return this.control ? this.control.untouched : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"statusChanges\", {\n        /**\n         * @description\n         * Returns a multicasting observable that emits a validation status whenever it is\n         * calculated for the control. If the control is not present, null is returned.\n         */\n        get: function () {\n            return this.control ? this.control.statusChanges : null;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"valueChanges\", {\n        /**\n         * @description\n         * Returns a multicasting observable of value changes for the control that emits every time the\n         * value of the control changes in the UI or programmatically.\n         * If the control is not present, null is returned.\n         */\n        get: function () {\n            return this.control ? this.control.valueChanges : null;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlDirective.prototype, \"path\", {\n        /**\n         * @description\n         * Returns an array that represents the path from the top-level form to this control.\n         * Each index is the string name of the control on that level.\n         */\n        get: function () { return null; },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * @description\n     * Resets the control with the provided value if the control is present.\n     */\n    AbstractControlDirective.prototype.reset = function (value) {\n        if (value === void 0) { value = undefined; }\n        if (this.control)\n            this.control.reset(value);\n    };\n    /**\n     * @description\n     * Reports whether the control with the given path has the error specified.\n     *\n     * @param errorCode The code of the error to check\n     * @param path A list of control names that designates how to move from the current control\n     * to the control that should be queried for errors.\n     *\n     * @usageNotes\n     * For example, for the following `FormGroup`:\n     *\n     * ```\n     * form = new FormGroup({\n     *   address: new FormGroup({ street: new FormControl() })\n     * });\n     * ```\n     *\n     * The path to the 'street' control from the root form would be 'address' -> 'street'.\n     *\n     * It can be provided to this method in one of two formats:\n     *\n     * 1. An array of string control names, e.g. `['address', 'street']`\n     * 1. A period-delimited list of control names in one string, e.g. `'address.street'`\n     *\n     * If no path is given, this method checks for the error on the current control.\n     *\n     * @returns whether the given error is present in the control at the given path.\n     *\n     * If the control is not present, false is returned.\n     */\n    AbstractControlDirective.prototype.hasError = function (errorCode, path) {\n        return this.control ? this.control.hasError(errorCode, path) : false;\n    };\n    /**\n     * @description\n     * Reports error data for the control with the given path.\n     *\n     * @param errorCode The code of the error to check\n     * @param path A list of control names that designates how to move from the current control\n     * to the control that should be queried for errors.\n     *\n     * @usageNotes\n     * For example, for the following `FormGroup`:\n     *\n     * ```\n     * form = new FormGroup({\n     *   address: new FormGroup({ street: new FormControl() })\n     * });\n     * ```\n     *\n     * The path to the 'street' control from the root form would be 'address' -> 'street'.\n     *\n     * It can be provided to this method in one of two formats:\n     *\n     * 1. An array of string control names, e.g. `['address', 'street']`\n     * 1. A period-delimited list of control names in one string, e.g. `'address.street'`\n     *\n     * @returns error data for that particular error. If the control or error is not present,\n     * null is returned.\n     */\n    AbstractControlDirective.prototype.getError = function (errorCode, path) {\n        return this.control ? this.control.getError(errorCode, path) : null;\n    };\n    return AbstractControlDirective;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @description\n * A base class for directives that contain multiple registered instances of `NgControl`.\n * Only used by the forms module.\n *\n * @publicApi\n */\nvar ControlContainer = /** @class */ (function (_super) {\n    __extends(ControlContainer, _super);\n    function ControlContainer() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    Object.defineProperty(ControlContainer.prototype, \"formDirective\", {\n        /**\n         * @description\n         * The top-level form directive for the control.\n         */\n        get: function () { return null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ControlContainer.prototype, \"path\", {\n        /**\n         * @description\n         * The path to this group.\n         */\n        get: function () { return null; },\n        enumerable: true,\n        configurable: true\n    });\n    return ControlContainer;\n}(AbstractControlDirective));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction unimplemented() {\n    throw new Error('unimplemented');\n}\n/**\n * @description\n * A base class that all control `FormControl`-based directives extend. It binds a `FormControl`\n * object to a DOM element.\n *\n * @publicApi\n */\nvar NgControl = /** @class */ (function (_super) {\n    __extends(NgControl, _super);\n    function NgControl() {\n        var _this = _super !== null && _super.apply(this, arguments) || this;\n        /**\n         * @description\n         * The parent form for the control.\n         *\n         * @internal\n         */\n        _this._parent = null;\n        /**\n         * @description\n         * The name for the control\n         */\n        _this.name = null;\n        /**\n         * @description\n         * The value accessor for the control\n         */\n        _this.valueAccessor = null;\n        /**\n         * @description\n         * The uncomposed array of synchronous validators for the control\n         *\n         * @internal\n         */\n        _this._rawValidators = [];\n        /**\n         * @description\n         * The uncomposed array of async validators for the control\n         *\n         * @internal\n         */\n        _this._rawAsyncValidators = [];\n        return _this;\n    }\n    Object.defineProperty(NgControl.prototype, \"validator\", {\n        /**\n         * @description\n         * The registered synchronous validator function for the control\n         *\n         * @throws An exception that this method is not implemented\n         */\n        get: function () { return unimplemented(); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgControl.prototype, \"asyncValidator\", {\n        /**\n         * @description\n         * The registered async validator function for the control\n         *\n         * @throws An exception that this method is not implemented\n         */\n        get: function () { return unimplemented(); },\n        enumerable: true,\n        configurable: true\n    });\n    return NgControl;\n}(AbstractControlDirective));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar AbstractControlStatus = /** @class */ (function () {\n    function AbstractControlStatus(cd) {\n        this._cd = cd;\n    }\n    Object.defineProperty(AbstractControlStatus.prototype, \"ngClassUntouched\", {\n        get: function () { return this._cd.control ? this._cd.control.untouched : false; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlStatus.prototype, \"ngClassTouched\", {\n        get: function () { return this._cd.control ? this._cd.control.touched : false; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlStatus.prototype, \"ngClassPristine\", {\n        get: function () { return this._cd.control ? this._cd.control.pristine : false; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlStatus.prototype, \"ngClassDirty\", {\n        get: function () { return this._cd.control ? this._cd.control.dirty : false; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlStatus.prototype, \"ngClassValid\", {\n        get: function () { return this._cd.control ? this._cd.control.valid : false; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlStatus.prototype, \"ngClassInvalid\", {\n        get: function () { return this._cd.control ? this._cd.control.invalid : false; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControlStatus.prototype, \"ngClassPending\", {\n        get: function () { return this._cd.control ? this._cd.control.pending : false; },\n        enumerable: true,\n        configurable: true\n    });\n    return AbstractControlStatus;\n}());\nvar ngControlStatusHost = {\n    '[class.ng-untouched]': 'ngClassUntouched',\n    '[class.ng-touched]': 'ngClassTouched',\n    '[class.ng-pristine]': 'ngClassPristine',\n    '[class.ng-dirty]': 'ngClassDirty',\n    '[class.ng-valid]': 'ngClassValid',\n    '[class.ng-invalid]': 'ngClassInvalid',\n    '[class.ng-pending]': 'ngClassPending',\n};\n/**\n * @description\n * Directive automatically applied to Angular form controls that sets CSS classes\n * based on control status.\n *\n * @usageNotes\n *\n * ### CSS classes applied\n *\n * The following classes are applied as the properties become true:\n *\n * * ng-valid\n * * ng-invalid\n * * ng-pending\n * * ng-pristine\n * * ng-dirty\n * * ng-untouched\n * * ng-touched\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar NgControlStatus = /** @class */ (function (_super) {\n    __extends(NgControlStatus, _super);\n    function NgControlStatus(cd) {\n        return _super.call(this, cd) || this;\n    }\n    NgControlStatus = __decorate([\n        Directive({ selector: '[formControlName],[ngModel],[formControl]', host: ngControlStatusHost }),\n        __param(0, Self()),\n        __metadata(\"design:paramtypes\", [NgControl])\n    ], NgControlStatus);\n    return NgControlStatus;\n}(AbstractControlStatus));\n/**\n * @description\n * Directive automatically applied to Angular form groups that sets CSS classes\n * based on control status (valid/invalid/dirty/etc).\n *\n * @see `NgControlStatus`\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar NgControlStatusGroup = /** @class */ (function (_super) {\n    __extends(NgControlStatusGroup, _super);\n    function NgControlStatusGroup(cd) {\n        return _super.call(this, cd) || this;\n    }\n    NgControlStatusGroup = __decorate([\n        Directive({\n            selector: '[formGroupName],[formArrayName],[ngModelGroup],[formGroup],form:not([ngNoForm]),[ngForm]',\n            host: ngControlStatusHost\n        }),\n        __param(0, Self()),\n        __metadata(\"design:paramtypes\", [ControlContainer])\n    ], NgControlStatusGroup);\n    return NgControlStatusGroup;\n}(AbstractControlStatus));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction isEmptyInputValue(value) {\n    // we don't check for string here so it also works with arrays\n    return value == null || value.length === 0;\n}\n/**\n * @description\n * An `InjectionToken` for registering additional synchronous validators used with `AbstractControl`s.\n *\n * @see `NG_ASYNC_VALIDATORS`\n *\n * @usageNotes\n *\n * ### Providing a custom validator\n *\n * The following example registers a custom validator directive. Adding the validator to the\n * existing collection of validators requires the `multi: true` option.\n *\n * ```typescript\n * @Directive({\n *   selector: '[customValidator]',\n *   providers: [{provide: NG_VALIDATORS, useExisting: CustomValidatorDirective, multi: true}]\n * })\n * class CustomValidatorDirective implements Validator {\n *   validate(control: AbstractControl): ValidationErrors | null {\n *     return { 'custom': true };\n *   }\n * }\n * ```\n *\n * @publicApi\n */\nvar NG_VALIDATORS = new InjectionToken('NgValidators');\n/**\n * @description\n * An `InjectionToken` for registering additional asynchronous validators used with `AbstractControl`s.\n *\n * @see `NG_VALIDATORS`\n *\n * @publicApi\n */\nvar NG_ASYNC_VALIDATORS = new InjectionToken('NgAsyncValidators');\n/**\n * A regular expression that matches valid e-mail addresses.\n *\n * At a high level, this regexp matches e-mail addresses of the format `local-part@tld`, where:\n * - `local-part` consists of one or more of the allowed characters (alphanumeric and some\n *   punctuation symbols).\n * - `local-part` cannot begin or end with a period (`.`).\n * - `local-part` cannot be longer than 64 characters.\n * - `tld` consists of one or more `labels` separated by periods (`.`). For example `localhost` or\n *   `foo.com`.\n * - A `label` consists of one or more of the allowed characters (alphanumeric, dashes (`-`) and\n *   periods (`.`)).\n * - A `label` cannot begin or end with a dash (`-`) or a period (`.`).\n * - A `label` cannot be longer than 63 characters.\n * - The whole address cannot be longer than 254 characters.\n *\n * ## Implementation background\n *\n * This regexp was ported over from AngularJS (see there for git history):\n * https://github.com/angular/angular.js/blob/c133ef836/src/ng/directive/input.js#L27\n * It is based on the\n * [WHATWG version](https://html.spec.whatwg.org/multipage/input.html#valid-e-mail-address) with\n * some enhancements to incorporate more RFC rules (such as rules related to domain names and the\n * lengths of different parts of the address). The main differences from the WHATWG version are:\n *   - Disallow `local-part` to begin or end with a period (`.`).\n *   - Disallow `local-part` length to exceed 64 characters.\n *   - Disallow total address length to exceed 254 characters.\n *\n * See [this commit](https://github.com/angular/angular.js/commit/f3f5cf72e) for more details.\n */\nvar EMAIL_REGEXP = /^(?=.{1,254}$)(?=.{1,64}@)[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-zA-Z0-9!#$%&'*+/=?^_`{|}~-]+)*@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/;\n/**\n * @description\n * Provides a set of built-in validators that can be used by form controls.\n *\n * A validator is a function that processes a `FormControl` or collection of\n * controls and returns an error map or null. A null map means that validation has passed.\n *\n * @see [Form Validation](/guide/form-validation)\n *\n * @publicApi\n */\nvar Validators = /** @class */ (function () {\n    function Validators() {\n    }\n    /**\n     * @description\n     * Validator that requires the control's value to be greater than or equal to the provided number.\n     * The validator exists only as a function and not as a directive.\n     *\n     * @usageNotes\n     *\n     * ### Validate against a minimum of 3\n     *\n     * ```typescript\n     * const control = new FormControl(2, Validators.min(3));\n     *\n     * console.log(control.errors); // {min: {min: 3, actual: 2}}\n     * ```\n     *\n     * @returns A validator function that returns an error map with the\n     * `min` property if the validation check fails, otherwise `null`.\n     *\n     * @see `updateValueAndValidity()`\n     *\n     */\n    Validators.min = function (min) {\n        return function (control) {\n            if (isEmptyInputValue(control.value) || isEmptyInputValue(min)) {\n                return null; // don't validate empty values to allow optional controls\n            }\n            var value = parseFloat(control.value);\n            // Controls with NaN values after parsing should be treated as not having a\n            // minimum, per the HTML forms spec: https://www.w3.org/TR/html5/forms.html#attr-input-min\n            return !isNaN(value) && value < min ? { 'min': { 'min': min, 'actual': control.value } } : null;\n        };\n    };\n    /**\n     * @description\n     * Validator that requires the control's value to be less than or equal to the provided number.\n     * The validator exists only as a function and not as a directive.\n     *\n     * @usageNotes\n     *\n     * ### Validate against a maximum of 15\n     *\n     * ```typescript\n     * const control = new FormControl(16, Validators.max(15));\n     *\n     * console.log(control.errors); // {max: {max: 15, actual: 16}}\n     * ```\n     *\n     * @returns A validator function that returns an error map with the\n     * `max` property if the validation check fails, otherwise `null`.\n     *\n     * @see `updateValueAndValidity()`\n     *\n     */\n    Validators.max = function (max) {\n        return function (control) {\n            if (isEmptyInputValue(control.value) || isEmptyInputValue(max)) {\n                return null; // don't validate empty values to allow optional controls\n            }\n            var value = parseFloat(control.value);\n            // Controls with NaN values after parsing should be treated as not having a\n            // maximum, per the HTML forms spec: https://www.w3.org/TR/html5/forms.html#attr-input-max\n            return !isNaN(value) && value > max ? { 'max': { 'max': max, 'actual': control.value } } : null;\n        };\n    };\n    /**\n     * @description\n     * Validator that requires the control have a non-empty value.\n     *\n     * @usageNotes\n     *\n     * ### Validate that the field is non-empty\n     *\n     * ```typescript\n     * const control = new FormControl('', Validators.required);\n     *\n     * console.log(control.errors); // {required: true}\n     * ```\n     *\n     * @returns An error map with the `required` property\n     * if the validation check fails, otherwise `null`.\n     *\n     * @see `updateValueAndValidity()`\n     *\n     */\n    Validators.required = function (control) {\n        return isEmptyInputValue(control.value) ? { 'required': true } : null;\n    };\n    /**\n     * @description\n     * Validator that requires the control's value be true. This validator is commonly\n     * used for required checkboxes.\n     *\n     * @usageNotes\n     *\n     * ### Validate that the field value is true\n     *\n     * ```typescript\n     * const control = new FormControl('', Validators.requiredTrue);\n     *\n     * console.log(control.errors); // {required: true}\n     * ```\n     *\n     * @returns An error map that contains the `required` property\n     * set to `true` if the validation check fails, otherwise `null`.\n     *\n     * @see `updateValueAndValidity()`\n     *\n     */\n    Validators.requiredTrue = function (control) {\n        return control.value === true ? null : { 'required': true };\n    };\n    /**\n     * @description\n     * Validator that requires the control's value pass an email validation test.\n     *\n     * Tests the value using a [regular expression](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions)\n     * pattern suitable for common usecases. The pattern is based on the definition of a valid email\n     * address in the [WHATWG HTML specification](https://html.spec.whatwg.org/multipage/input.html#valid-e-mail-address)\n     * with some enhancements to incorporate more RFC rules (such as rules related to domain names and\n     * the lengths of different parts of the address).\n     *\n     * The differences from the WHATWG version include:\n     * - Disallow `local-part` (the part before the `@` symbol) to begin or end with a period (`.`).\n     * - Disallow `local-part` to be longer than 64 characters.\n     * - Disallow the whole address to be longer than 254 characters.\n     *\n     * If this pattern does not satisfy your business needs, you can use `Validators.pattern()` to\n     * validate the value against a different pattern.\n     *\n     * @usageNotes\n     *\n     * ### Validate that the field matches a valid email pattern\n     *\n     * ```typescript\n     * const control = new FormControl('bad@', Validators.email);\n     *\n     * console.log(control.errors); // {email: true}\n     * ```\n     *\n     * @returns An error map with the `email` property\n     * if the validation check fails, otherwise `null`.\n     *\n     * @see `updateValueAndValidity()`\n     *\n     */\n    Validators.email = function (control) {\n        if (isEmptyInputValue(control.value)) {\n            return null; // don't validate empty values to allow optional controls\n        }\n        return EMAIL_REGEXP.test(control.value) ? null : { 'email': true };\n    };\n    /**\n     * @description\n     * Validator that requires the length of the control's value to be greater than or equal\n     * to the provided minimum length. This validator is also provided by default if you use the\n     * the HTML5 `minlength` attribute.\n     *\n     * @usageNotes\n     *\n     * ### Validate that the field has a minimum of 3 characters\n     *\n     * ```typescript\n     * const control = new FormControl('ng', Validators.minLength(3));\n     *\n     * console.log(control.errors); // {minlength: {requiredLength: 3, actualLength: 2}}\n     * ```\n     *\n     * ```html\n     * <input minlength=\"5\">\n     * ```\n     *\n     * @returns A validator function that returns an error map with the\n     * `minlength` if the validation check fails, otherwise `null`.\n     *\n     * @see `updateValueAndValidity()`\n     *\n     */\n    Validators.minLength = function (minLength) {\n        return function (control) {\n            if (isEmptyInputValue(control.value)) {\n                return null; // don't validate empty values to allow optional controls\n            }\n            var length = control.value ? control.value.length : 0;\n            return length < minLength ?\n                { 'minlength': { 'requiredLength': minLength, 'actualLength': length } } :\n                null;\n        };\n    };\n    /**\n     * @description\n     * Validator that requires the length of the control's value to be less than or equal\n     * to the provided maximum length. This validator is also provided by default if you use the\n     * the HTML5 `maxlength` attribute.\n     *\n     * @usageNotes\n     *\n     * ### Validate that the field has maximum of 5 characters\n     *\n     * ```typescript\n     * const control = new FormControl('Angular', Validators.maxLength(5));\n     *\n     * console.log(control.errors); // {maxlength: {requiredLength: 5, actualLength: 7}}\n     * ```\n     *\n     * ```html\n     * <input maxlength=\"5\">\n     * ```\n     *\n     * @returns A validator function that returns an error map with the\n     * `maxlength` property if the validation check fails, otherwise `null`.\n     *\n     * @see `updateValueAndValidity()`\n     *\n     */\n    Validators.maxLength = function (maxLength) {\n        return function (control) {\n            var length = control.value ? control.value.length : 0;\n            return length > maxLength ?\n                { 'maxlength': { 'requiredLength': maxLength, 'actualLength': length } } :\n                null;\n        };\n    };\n    /**\n     * @description\n     * Validator that requires the control's value to match a regex pattern. This validator is also\n     * provided by default if you use the HTML5 `pattern` attribute.\n     *\n     * @usageNotes\n     *\n     * ### Validate that the field only contains letters or spaces\n     *\n     * ```typescript\n     * const control = new FormControl('1', Validators.pattern('[a-zA-Z ]*'));\n     *\n     * console.log(control.errors); // {pattern: {requiredPattern: '^[a-zA-Z ]*$', actualValue: '1'}}\n     * ```\n     *\n     * ```html\n     * <input pattern=\"[a-zA-Z ]*\">\n     * ```\n     *\n     * @param pattern A regular expression to be used as is to test the values, or a string.\n     * If a string is passed, the `^` character is prepended and the `$` character is\n     * appended to the provided string (if not already present), and the resulting regular\n     * expression is used to test the values.\n     *\n     * @returns A validator function that returns an error map with the\n     * `pattern` property if the validation check fails, otherwise `null`.\n     *\n     * @see `updateValueAndValidity()`\n     *\n     */\n    Validators.pattern = function (pattern) {\n        if (!pattern)\n            return Validators.nullValidator;\n        var regex;\n        var regexStr;\n        if (typeof pattern === 'string') {\n            regexStr = '';\n            if (pattern.charAt(0) !== '^')\n                regexStr += '^';\n            regexStr += pattern;\n            if (pattern.charAt(pattern.length - 1) !== '$')\n                regexStr += '$';\n            regex = new RegExp(regexStr);\n        }\n        else {\n            regexStr = pattern.toString();\n            regex = pattern;\n        }\n        return function (control) {\n            if (isEmptyInputValue(control.value)) {\n                return null; // don't validate empty values to allow optional controls\n            }\n            var value = control.value;\n            return regex.test(value) ? null :\n                { 'pattern': { 'requiredPattern': regexStr, 'actualValue': value } };\n        };\n    };\n    /**\n     * @description\n     * Validator that performs no operation.\n     *\n     * @see `updateValueAndValidity()`\n     *\n     */\n    Validators.nullValidator = function (control) { return null; };\n    Validators.compose = function (validators) {\n        if (!validators)\n            return null;\n        var presentValidators = validators.filter(isPresent);\n        if (presentValidators.length == 0)\n            return null;\n        return function (control) {\n            return _mergeErrors(_executeValidators(control, presentValidators));\n        };\n    };\n    /**\n     * @description\n     * Compose multiple async validators into a single function that returns the union\n     * of the individual error objects for the provided control.\n     *\n     * @returns A validator function that returns an error map with the\n     * merged error objects of the async validators if the validation check fails, otherwise `null`.\n     *\n     * @see `updateValueAndValidity()`\n     *\n     */\n    Validators.composeAsync = function (validators) {\n        if (!validators)\n            return null;\n        var presentValidators = validators.filter(isPresent);\n        if (presentValidators.length == 0)\n            return null;\n        return function (control) {\n            var observables = _executeAsyncValidators(control, presentValidators).map(toObservable);\n            return forkJoin(observables).pipe(map(_mergeErrors));\n        };\n    };\n    return Validators;\n}());\nfunction isPresent(o) {\n    return o != null;\n}\nfunction toObservable(r) {\n    var obs = ɵisPromise(r) ? from(r) : r;\n    if (!(ɵisObservable(obs))) {\n        throw new Error(\"Expected validator to return Promise or Observable.\");\n    }\n    return obs;\n}\nfunction _executeValidators(control, validators) {\n    return validators.map(function (v) { return v(control); });\n}\nfunction _executeAsyncValidators(control, validators) {\n    return validators.map(function (v) { return v(control); });\n}\nfunction _mergeErrors(arrayOfErrors) {\n    var res = arrayOfErrors.reduce(function (res, errors) {\n        return errors != null ? __assign(__assign({}, res), errors) : res;\n    }, {});\n    return Object.keys(res).length === 0 ? null : res;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction normalizeValidator(validator) {\n    if (validator.validate) {\n        return function (c) { return validator.validate(c); };\n    }\n    else {\n        return validator;\n    }\n}\nfunction normalizeAsyncValidator(validator) {\n    if (validator.validate) {\n        return function (c) { return validator.validate(c); };\n    }\n    else {\n        return validator;\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar NUMBER_VALUE_ACCESSOR = {\n    provide: NG_VALUE_ACCESSOR,\n    useExisting: forwardRef(function () { return NumberValueAccessor; }),\n    multi: true\n};\n/**\n * @description\n * The `ControlValueAccessor` for writing a number value and listening to number input changes.\n * The value accessor is used by the `FormControlDirective`, `FormControlName`, and  `NgModel`\n * directives.\n *\n * @usageNotes\n *\n * ### Using a number input with a reactive form.\n *\n * The following example shows how to use a number input with a reactive form.\n *\n * ```ts\n * const totalCountControl = new FormControl();\n * ```\n *\n * ```\n * <input type=\"number\" [formControl]=\"totalCountControl\">\n * ```\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar NumberValueAccessor = /** @class */ (function () {\n    function NumberValueAccessor(_renderer, _elementRef) {\n        this._renderer = _renderer;\n        this._elementRef = _elementRef;\n        /**\n         * @description\n         * The registered callback function called when a change or input event occurs on the input\n         * element.\n         */\n        this.onChange = function (_) { };\n        /**\n         * @description\n         * The registered callback function called when a blur event occurs on the input element.\n         */\n        this.onTouched = function () { };\n    }\n    /**\n     * Sets the \"value\" property on the input element.\n     *\n     * @param value The checked value\n     */\n    NumberValueAccessor.prototype.writeValue = function (value) {\n        // The value needs to be normalized for IE9, otherwise it is set to 'null' when null\n        var normalizedValue = value == null ? '' : value;\n        this._renderer.setProperty(this._elementRef.nativeElement, 'value', normalizedValue);\n    };\n    /**\n     * @description\n     * Registers a function called when the control value changes.\n     *\n     * @param fn The callback function\n     */\n    NumberValueAccessor.prototype.registerOnChange = function (fn) {\n        this.onChange = function (value) { fn(value == '' ? null : parseFloat(value)); };\n    };\n    /**\n     * @description\n     * Registers a function called when the control is touched.\n     *\n     * @param fn The callback function\n     */\n    NumberValueAccessor.prototype.registerOnTouched = function (fn) { this.onTouched = fn; };\n    /**\n     * Sets the \"disabled\" property on the input element.\n     *\n     * @param isDisabled The disabled value\n     */\n    NumberValueAccessor.prototype.setDisabledState = function (isDisabled) {\n        this._renderer.setProperty(this._elementRef.nativeElement, 'disabled', isDisabled);\n    };\n    NumberValueAccessor = __decorate([\n        Directive({\n            selector: 'input[type=number][formControlName],input[type=number][formControl],input[type=number][ngModel]',\n            host: {\n                '(change)': 'onChange($event.target.value)',\n                '(input)': 'onChange($event.target.value)',\n                '(blur)': 'onTouched()'\n            },\n            providers: [NUMBER_VALUE_ACCESSOR]\n        }),\n        __metadata(\"design:paramtypes\", [Renderer2, ElementRef])\n    ], NumberValueAccessor);\n    return NumberValueAccessor;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar RADIO_VALUE_ACCESSOR = {\n    provide: NG_VALUE_ACCESSOR,\n    useExisting: forwardRef(function () { return RadioControlValueAccessor; }),\n    multi: true\n};\n/**\n * @description\n * Class used by Angular to track radio buttons. For internal use only.\n */\nvar RadioControlRegistry = /** @class */ (function () {\n    function RadioControlRegistry() {\n        this._accessors = [];\n    }\n    /**\n     * @description\n     * Adds a control to the internal registry. For internal use only.\n     */\n    RadioControlRegistry.prototype.add = function (control, accessor) {\n        this._accessors.push([control, accessor]);\n    };\n    /**\n     * @description\n     * Removes a control from the internal registry. For internal use only.\n     */\n    RadioControlRegistry.prototype.remove = function (accessor) {\n        for (var i = this._accessors.length - 1; i >= 0; --i) {\n            if (this._accessors[i][1] === accessor) {\n                this._accessors.splice(i, 1);\n                return;\n            }\n        }\n    };\n    /**\n     * @description\n     * Selects a radio button. For internal use only.\n     */\n    RadioControlRegistry.prototype.select = function (accessor) {\n        var _this = this;\n        this._accessors.forEach(function (c) {\n            if (_this._isSameGroup(c, accessor) && c[1] !== accessor) {\n                c[1].fireUncheck(accessor.value);\n            }\n        });\n    };\n    RadioControlRegistry.prototype._isSameGroup = function (controlPair, accessor) {\n        if (!controlPair[0].control)\n            return false;\n        return controlPair[0]._parent === accessor._control._parent &&\n            controlPair[1].name === accessor.name;\n    };\n    RadioControlRegistry = __decorate([\n        Injectable()\n    ], RadioControlRegistry);\n    return RadioControlRegistry;\n}());\n/**\n * @description\n * The `ControlValueAccessor` for writing radio control values and listening to radio control\n * changes. The value accessor is used by the `FormControlDirective`, `FormControlName`, and\n * `NgModel` directives.\n *\n * @usageNotes\n *\n * ### Using radio buttons with reactive form directives\n *\n * The follow example shows how to use radio buttons in a reactive form. When using radio buttons in\n * a reactive form, radio buttons in the same group should have the same `formControlName`.\n * Providing a `name` attribute is optional.\n *\n * {@example forms/ts/reactiveRadioButtons/reactive_radio_button_example.ts region='Reactive'}\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar RadioControlValueAccessor = /** @class */ (function () {\n    function RadioControlValueAccessor(_renderer, _elementRef, _registry, _injector) {\n        this._renderer = _renderer;\n        this._elementRef = _elementRef;\n        this._registry = _registry;\n        this._injector = _injector;\n        /**\n         * @description\n         * The registered callback function called when a change event occurs on the input element.\n         */\n        this.onChange = function () { };\n        /**\n         * @description\n         * The registered callback function called when a blur event occurs on the input element.\n         */\n        this.onTouched = function () { };\n    }\n    /**\n     * @description\n     * A lifecycle method called when the directive is initialized. For internal use only.\n     */\n    RadioControlValueAccessor.prototype.ngOnInit = function () {\n        this._control = this._injector.get(NgControl);\n        this._checkName();\n        this._registry.add(this._control, this);\n    };\n    /**\n     * @description\n     * Lifecycle method called before the directive's instance is destroyed. For internal use only.\n     */\n    RadioControlValueAccessor.prototype.ngOnDestroy = function () { this._registry.remove(this); };\n    /**\n     * @description\n     * Sets the \"checked\" property value on the radio input element.\n     *\n     * @param value The checked value\n     */\n    RadioControlValueAccessor.prototype.writeValue = function (value) {\n        this._state = value === this.value;\n        this._renderer.setProperty(this._elementRef.nativeElement, 'checked', this._state);\n    };\n    /**\n     * @description\n     * Registers a function called when the control value changes.\n     *\n     * @param fn The callback function\n     */\n    RadioControlValueAccessor.prototype.registerOnChange = function (fn) {\n        var _this = this;\n        this._fn = fn;\n        this.onChange = function () {\n            fn(_this.value);\n            _this._registry.select(_this);\n        };\n    };\n    /**\n     * Sets the \"value\" on the radio input element and unchecks it.\n     *\n     * @param value\n     */\n    RadioControlValueAccessor.prototype.fireUncheck = function (value) { this.writeValue(value); };\n    /**\n     * @description\n     * Registers a function called when the control is touched.\n     *\n     * @param fn The callback function\n     */\n    RadioControlValueAccessor.prototype.registerOnTouched = function (fn) { this.onTouched = fn; };\n    /**\n     * Sets the \"disabled\" property on the input element.\n     *\n     * @param isDisabled The disabled value\n     */\n    RadioControlValueAccessor.prototype.setDisabledState = function (isDisabled) {\n        this._renderer.setProperty(this._elementRef.nativeElement, 'disabled', isDisabled);\n    };\n    RadioControlValueAccessor.prototype._checkName = function () {\n        if (this.name && this.formControlName && this.name !== this.formControlName) {\n            this._throwNameError();\n        }\n        if (!this.name && this.formControlName)\n            this.name = this.formControlName;\n    };\n    RadioControlValueAccessor.prototype._throwNameError = function () {\n        throw new Error(\"\\n      If you define both a name and a formControlName attribute on your radio button, their values\\n      must match. Ex: <input type=\\\"radio\\\" formControlName=\\\"food\\\" name=\\\"food\\\">\\n    \");\n    };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", String)\n    ], RadioControlValueAccessor.prototype, \"name\", void 0);\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", String)\n    ], RadioControlValueAccessor.prototype, \"formControlName\", void 0);\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object)\n    ], RadioControlValueAccessor.prototype, \"value\", void 0);\n    RadioControlValueAccessor = __decorate([\n        Directive({\n            selector: 'input[type=radio][formControlName],input[type=radio][formControl],input[type=radio][ngModel]',\n            host: { '(change)': 'onChange()', '(blur)': 'onTouched()' },\n            providers: [RADIO_VALUE_ACCESSOR]\n        }),\n        __metadata(\"design:paramtypes\", [Renderer2, ElementRef,\n            RadioControlRegistry, Injector])\n    ], RadioControlValueAccessor);\n    return RadioControlValueAccessor;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar RANGE_VALUE_ACCESSOR = {\n    provide: NG_VALUE_ACCESSOR,\n    useExisting: forwardRef(function () { return RangeValueAccessor; }),\n    multi: true\n};\n/**\n * @description\n * The `ControlValueAccessor` for writing a range value and listening to range input changes.\n * The value accessor is used by the `FormControlDirective`, `FormControlName`, and  `NgModel`\n * directives.\n *\n * @usageNotes\n *\n * ### Using a range input with a reactive form\n *\n * The following example shows how to use a range input with a reactive form.\n *\n * ```ts\n * const ageControl = new FormControl();\n * ```\n *\n * ```\n * <input type=\"range\" [formControl]=\"ageControl\">\n * ```\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar RangeValueAccessor = /** @class */ (function () {\n    function RangeValueAccessor(_renderer, _elementRef) {\n        this._renderer = _renderer;\n        this._elementRef = _elementRef;\n        /**\n         * @description\n         * The registered callback function called when a change or input event occurs on the input\n         * element.\n         */\n        this.onChange = function (_) { };\n        /**\n         * @description\n         * The registered callback function called when a blur event occurs on the input element.\n         */\n        this.onTouched = function () { };\n    }\n    /**\n     * Sets the \"value\" property on the input element.\n     *\n     * @param value The checked value\n     */\n    RangeValueAccessor.prototype.writeValue = function (value) {\n        this._renderer.setProperty(this._elementRef.nativeElement, 'value', parseFloat(value));\n    };\n    /**\n     * @description\n     * Registers a function called when the control value changes.\n     *\n     * @param fn The callback function\n     */\n    RangeValueAccessor.prototype.registerOnChange = function (fn) {\n        this.onChange = function (value) { fn(value == '' ? null : parseFloat(value)); };\n    };\n    /**\n     * @description\n     * Registers a function called when the control is touched.\n     *\n     * @param fn The callback function\n     */\n    RangeValueAccessor.prototype.registerOnTouched = function (fn) { this.onTouched = fn; };\n    /**\n     * Sets the \"disabled\" property on the range input element.\n     *\n     * @param isDisabled The disabled value\n     */\n    RangeValueAccessor.prototype.setDisabledState = function (isDisabled) {\n        this._renderer.setProperty(this._elementRef.nativeElement, 'disabled', isDisabled);\n    };\n    RangeValueAccessor = __decorate([\n        Directive({\n            selector: 'input[type=range][formControlName],input[type=range][formControl],input[type=range][ngModel]',\n            host: {\n                '(change)': 'onChange($event.target.value)',\n                '(input)': 'onChange($event.target.value)',\n                '(blur)': 'onTouched()'\n            },\n            providers: [RANGE_VALUE_ACCESSOR]\n        }),\n        __metadata(\"design:paramtypes\", [Renderer2, ElementRef])\n    ], RangeValueAccessor);\n    return RangeValueAccessor;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar FormErrorExamples = {\n    formControlName: \"\\n    <div [formGroup]=\\\"myGroup\\\">\\n      <input formControlName=\\\"firstName\\\">\\n    </div>\\n\\n    In your class:\\n\\n    this.myGroup = new FormGroup({\\n       firstName: new FormControl()\\n    });\",\n    formGroupName: \"\\n    <div [formGroup]=\\\"myGroup\\\">\\n       <div formGroupName=\\\"person\\\">\\n          <input formControlName=\\\"firstName\\\">\\n       </div>\\n    </div>\\n\\n    In your class:\\n\\n    this.myGroup = new FormGroup({\\n       person: new FormGroup({ firstName: new FormControl() })\\n    });\",\n    formArrayName: \"\\n    <div [formGroup]=\\\"myGroup\\\">\\n      <div formArrayName=\\\"cities\\\">\\n        <div *ngFor=\\\"let city of cityArray.controls; index as i\\\">\\n          <input [formControlName]=\\\"i\\\">\\n        </div>\\n      </div>\\n    </div>\\n\\n    In your class:\\n\\n    this.cityArray = new FormArray([new FormControl('SF')]);\\n    this.myGroup = new FormGroup({\\n      cities: this.cityArray\\n    });\",\n    ngModelGroup: \"\\n    <form>\\n       <div ngModelGroup=\\\"person\\\">\\n          <input [(ngModel)]=\\\"person.name\\\" name=\\\"firstName\\\">\\n       </div>\\n    </form>\",\n    ngModelWithFormGroup: \"\\n    <div [formGroup]=\\\"myGroup\\\">\\n       <input formControlName=\\\"firstName\\\">\\n       <input [(ngModel)]=\\\"showMoreControls\\\" [ngModelOptions]=\\\"{standalone: true}\\\">\\n    </div>\\n  \"\n};\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ReactiveErrors = /** @class */ (function () {\n    function ReactiveErrors() {\n    }\n    ReactiveErrors.controlParentException = function () {\n        throw new Error(\"formControlName must be used with a parent formGroup directive.  You'll want to add a formGroup\\n       directive and pass it an existing FormGroup instance (you can create one in your class).\\n\\n      Example:\\n\\n      \" + FormErrorExamples.formControlName);\n    };\n    ReactiveErrors.ngModelGroupException = function () {\n        throw new Error(\"formControlName cannot be used with an ngModelGroup parent. It is only compatible with parents\\n       that also have a \\\"form\\\" prefix: formGroupName, formArrayName, or formGroup.\\n\\n       Option 1:  Update the parent to be formGroupName (reactive form strategy)\\n\\n        \" + FormErrorExamples.formGroupName + \"\\n\\n        Option 2: Use ngModel instead of formControlName (template-driven strategy)\\n\\n        \" + FormErrorExamples.ngModelGroup);\n    };\n    ReactiveErrors.missingFormException = function () {\n        throw new Error(\"formGroup expects a FormGroup instance. Please pass one in.\\n\\n       Example:\\n\\n       \" + FormErrorExamples.formControlName);\n    };\n    ReactiveErrors.groupParentException = function () {\n        throw new Error(\"formGroupName must be used with a parent formGroup directive.  You'll want to add a formGroup\\n      directive and pass it an existing FormGroup instance (you can create one in your class).\\n\\n      Example:\\n\\n      \" + FormErrorExamples.formGroupName);\n    };\n    ReactiveErrors.arrayParentException = function () {\n        throw new Error(\"formArrayName must be used with a parent formGroup directive.  You'll want to add a formGroup\\n       directive and pass it an existing FormGroup instance (you can create one in your class).\\n\\n        Example:\\n\\n        \" + FormErrorExamples.formArrayName);\n    };\n    ReactiveErrors.disabledAttrWarning = function () {\n        console.warn(\"\\n      It looks like you're using the disabled attribute with a reactive form directive. If you set disabled to true\\n      when you set up this control in your component class, the disabled attribute will actually be set in the DOM for\\n      you. We recommend using this approach to avoid 'changed after checked' errors.\\n       \\n      Example: \\n      form = new FormGroup({\\n        first: new FormControl({value: 'Nancy', disabled: true}, Validators.required),\\n        last: new FormControl('Drew', Validators.required)\\n      });\\n    \");\n    };\n    ReactiveErrors.ngModelWarning = function (directiveName) {\n        console.warn(\"\\n    It looks like you're using ngModel on the same form field as \" + directiveName + \". \\n    Support for using the ngModel input property and ngModelChange event with \\n    reactive form directives has been deprecated in Angular v6 and will be removed \\n    in Angular v7.\\n    \\n    For more information on this, see our API docs here:\\n    https://angular.io/api/forms/\" + (directiveName === 'formControl' ? 'FormControlDirective'\n            : 'FormControlName') + \"#use-with-ngmodel\\n    \");\n    };\n    return ReactiveErrors;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar SELECT_VALUE_ACCESSOR = {\n    provide: NG_VALUE_ACCESSOR,\n    useExisting: forwardRef(function () { return SelectControlValueAccessor; }),\n    multi: true\n};\nfunction _buildValueString(id, value) {\n    if (id == null)\n        return \"\" + value;\n    if (value && typeof value === 'object')\n        value = 'Object';\n    return (id + \": \" + value).slice(0, 50);\n}\nfunction _extractId(valueString) {\n    return valueString.split(':')[0];\n}\n/**\n * @description\n * The `ControlValueAccessor` for writing select control values and listening to select control\n * changes. The value accessor is used by the `FormControlDirective`, `FormControlName`, and\n * `NgModel` directives.\n *\n * @usageNotes\n *\n * ### Using select controls in a reactive form\n *\n * The following examples show how to use a select control in a reactive form.\n *\n * {@example forms/ts/reactiveSelectControl/reactive_select_control_example.ts region='Component'}\n *\n * ### Using select controls in a template-driven form\n *\n * To use a select in a template-driven form, simply add an `ngModel` and a `name`\n * attribute to the main `<select>` tag.\n *\n * {@example forms/ts/selectControl/select_control_example.ts region='Component'}\n *\n * ### Customizing option selection\n *\n * Angular uses object identity to select option. It's possible for the identities of items\n * to change while the data does not. This can happen, for example, if the items are produced\n * from an RPC to the server, and that RPC is re-run. Even if the data hasn't changed, the\n * second response will produce objects with different identities.\n *\n * To customize the default option comparison algorithm, `<select>` supports `compareWith` input.\n * `compareWith` takes a **function** which has two arguments: `option1` and `option2`.\n * If `compareWith` is given, Angular selects option by the return value of the function.\n *\n * ```ts\n * const selectedCountriesControl = new FormControl();\n * ```\n *\n * ```\n * <select [compareWith]=\"compareFn\"  [formControl]=\"selectedCountriesControl\">\n *     <option *ngFor=\"let country of countries\" [ngValue]=\"country\">\n *         {{country.name}}\n *     </option>\n * </select>\n *\n * compareFn(c1: Country, c2: Country): boolean {\n *     return c1 && c2 ? c1.id === c2.id : c1 === c2;\n * }\n * ```\n *\n * **Note:** We listen to the 'change' event because 'input' events aren't fired\n * for selects in Firefox and IE:\n * https://bugzilla.mozilla.org/show_bug.cgi?id=1024350\n * https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/4660045/\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar SelectControlValueAccessor = /** @class */ (function () {\n    function SelectControlValueAccessor(_renderer, _elementRef) {\n        this._renderer = _renderer;\n        this._elementRef = _elementRef;\n        /** @internal */\n        this._optionMap = new Map();\n        /** @internal */\n        this._idCounter = 0;\n        /**\n         * @description\n         * The registered callback function called when a change event occurs on the input element.\n         */\n        this.onChange = function (_) { };\n        /**\n         * @description\n         * The registered callback function called when a blur event occurs on the input element.\n         */\n        this.onTouched = function () { };\n        this._compareWith = ɵlooseIdentical;\n    }\n    Object.defineProperty(SelectControlValueAccessor.prototype, \"compareWith\", {\n        /**\n         * @description\n         * Tracks the option comparison algorithm for tracking identities when\n         * checking for changes.\n         */\n        set: function (fn) {\n            if (typeof fn !== 'function') {\n                throw new Error(\"compareWith must be a function, but received \" + JSON.stringify(fn));\n            }\n            this._compareWith = fn;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Sets the \"value\" property on the input element. The \"selectedIndex\"\n     * property is also set if an ID is provided on the option element.\n     *\n     * @param value The checked value\n     */\n    SelectControlValueAccessor.prototype.writeValue = function (value) {\n        this.value = value;\n        var id = this._getOptionId(value);\n        if (id == null) {\n            this._renderer.setProperty(this._elementRef.nativeElement, 'selectedIndex', -1);\n        }\n        var valueString = _buildValueString(id, value);\n        this._renderer.setProperty(this._elementRef.nativeElement, 'value', valueString);\n    };\n    /**\n     * @description\n     * Registers a function called when the control value changes.\n     *\n     * @param fn The callback function\n     */\n    SelectControlValueAccessor.prototype.registerOnChange = function (fn) {\n        var _this = this;\n        this.onChange = function (valueString) {\n            _this.value = _this._getOptionValue(valueString);\n            fn(_this.value);\n        };\n    };\n    /**\n     * @description\n     * Registers a function called when the control is touched.\n     *\n     * @param fn The callback function\n     */\n    SelectControlValueAccessor.prototype.registerOnTouched = function (fn) { this.onTouched = fn; };\n    /**\n     * Sets the \"disabled\" property on the select input element.\n     *\n     * @param isDisabled The disabled value\n     */\n    SelectControlValueAccessor.prototype.setDisabledState = function (isDisabled) {\n        this._renderer.setProperty(this._elementRef.nativeElement, 'disabled', isDisabled);\n    };\n    /** @internal */\n    SelectControlValueAccessor.prototype._registerOption = function () { return (this._idCounter++).toString(); };\n    /** @internal */\n    SelectControlValueAccessor.prototype._getOptionId = function (value) {\n        var e_1, _a;\n        try {\n            for (var _b = __values(Array.from(this._optionMap.keys())), _c = _b.next(); !_c.done; _c = _b.next()) {\n                var id = _c.value;\n                if (this._compareWith(this._optionMap.get(id), value))\n                    return id;\n            }\n        }\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\n        finally {\n            try {\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\n            }\n            finally { if (e_1) throw e_1.error; }\n        }\n        return null;\n    };\n    /** @internal */\n    SelectControlValueAccessor.prototype._getOptionValue = function (valueString) {\n        var id = _extractId(valueString);\n        return this._optionMap.has(id) ? this._optionMap.get(id) : valueString;\n    };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Function),\n        __metadata(\"design:paramtypes\", [Function])\n    ], SelectControlValueAccessor.prototype, \"compareWith\", null);\n    SelectControlValueAccessor = __decorate([\n        Directive({\n            selector: 'select:not([multiple])[formControlName],select:not([multiple])[formControl],select:not([multiple])[ngModel]',\n            host: { '(change)': 'onChange($event.target.value)', '(blur)': 'onTouched()' },\n            providers: [SELECT_VALUE_ACCESSOR]\n        }),\n        __metadata(\"design:paramtypes\", [Renderer2, ElementRef])\n    ], SelectControlValueAccessor);\n    return SelectControlValueAccessor;\n}());\n/**\n * @description\n * Marks `<option>` as dynamic, so Angular can be notified when options change.\n *\n * @see `SelectControlValueAccessor`\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar NgSelectOption = /** @class */ (function () {\n    function NgSelectOption(_element, _renderer, _select) {\n        this._element = _element;\n        this._renderer = _renderer;\n        this._select = _select;\n        if (this._select)\n            this.id = this._select._registerOption();\n    }\n    Object.defineProperty(NgSelectOption.prototype, \"ngValue\", {\n        /**\n         * @description\n         * Tracks the value bound to the option element. Unlike the value binding,\n         * ngValue supports binding to objects.\n         */\n        set: function (value) {\n            if (this._select == null)\n                return;\n            this._select._optionMap.set(this.id, value);\n            this._setElementValue(_buildValueString(this.id, value));\n            this._select.writeValue(this._select.value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgSelectOption.prototype, \"value\", {\n        /**\n         * @description\n         * Tracks simple string values bound to the option element.\n         * For objects, use the `ngValue` input binding.\n         */\n        set: function (value) {\n            this._setElementValue(value);\n            if (this._select)\n                this._select.writeValue(this._select.value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** @internal */\n    NgSelectOption.prototype._setElementValue = function (value) {\n        this._renderer.setProperty(this._element.nativeElement, 'value', value);\n    };\n    /**\n     * @description\n     * Lifecycle method called before the directive's instance is destroyed. For internal use only.\n     */\n    NgSelectOption.prototype.ngOnDestroy = function () {\n        if (this._select) {\n            this._select._optionMap.delete(this.id);\n            this._select.writeValue(this._select.value);\n        }\n    };\n    __decorate([\n        Input('ngValue'),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], NgSelectOption.prototype, \"ngValue\", null);\n    __decorate([\n        Input('value'),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], NgSelectOption.prototype, \"value\", null);\n    NgSelectOption = __decorate([\n        Directive({ selector: 'option' }),\n        __param(2, Optional()), __param(2, Host()),\n        __metadata(\"design:paramtypes\", [ElementRef, Renderer2,\n            SelectControlValueAccessor])\n    ], NgSelectOption);\n    return NgSelectOption;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar SELECT_MULTIPLE_VALUE_ACCESSOR = {\n    provide: NG_VALUE_ACCESSOR,\n    useExisting: forwardRef(function () { return SelectMultipleControlValueAccessor; }),\n    multi: true\n};\nfunction _buildValueString$1(id, value) {\n    if (id == null)\n        return \"\" + value;\n    if (typeof value === 'string')\n        value = \"'\" + value + \"'\";\n    if (value && typeof value === 'object')\n        value = 'Object';\n    return (id + \": \" + value).slice(0, 50);\n}\nfunction _extractId$1(valueString) {\n    return valueString.split(':')[0];\n}\n/** Mock interface for HTMLCollection */\nvar HTMLCollection = /** @class */ (function () {\n    function HTMLCollection() {\n    }\n    return HTMLCollection;\n}());\n/**\n * @description\n * The `ControlValueAccessor` for writing multi-select control values and listening to multi-select control\n * changes. The value accessor is used by the `FormControlDirective`, `FormControlName`, and `NgModel`\n * directives.\n *\n * @see `SelectControlValueAccessor`\n *\n * @usageNotes\n *\n * ### Using a multi-select control\n *\n * The follow example shows you how to use a multi-select control with a reactive form.\n *\n * ```ts\n * const countryControl = new FormControl();\n * ```\n *\n * ```\n * <select multiple name=\"countries\" [formControl]=\"countryControl\">\n *   <option *ngFor=\"let country of countries\" [ngValue]=\"country\">\n *     {{ country.name }}\n *   </option>\n * </select>\n * ```\n *\n * ### Customizing option selection\n *\n * To customize the default option comparison algorithm, `<select>` supports `compareWith` input.\n * See the `SelectControlValueAccessor` for usage.\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar SelectMultipleControlValueAccessor = /** @class */ (function () {\n    function SelectMultipleControlValueAccessor(_renderer, _elementRef) {\n        this._renderer = _renderer;\n        this._elementRef = _elementRef;\n        /** @internal */\n        this._optionMap = new Map();\n        /** @internal */\n        this._idCounter = 0;\n        /**\n         * @description\n         * The registered callback function called when a change event occurs on the input element.\n         */\n        this.onChange = function (_) { };\n        /**\n         * @description\n         * The registered callback function called when a blur event occurs on the input element.\n         */\n        this.onTouched = function () { };\n        this._compareWith = ɵlooseIdentical;\n    }\n    Object.defineProperty(SelectMultipleControlValueAccessor.prototype, \"compareWith\", {\n        /**\n         * @description\n         * Tracks the option comparison algorithm for tracking identities when\n         * checking for changes.\n         */\n        set: function (fn) {\n            if (typeof fn !== 'function') {\n                throw new Error(\"compareWith must be a function, but received \" + JSON.stringify(fn));\n            }\n            this._compareWith = fn;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * @description\n     * Sets the \"value\" property on one or of more\n     * of the select's options.\n     *\n     * @param value The value\n     */\n    SelectMultipleControlValueAccessor.prototype.writeValue = function (value) {\n        var _this = this;\n        this.value = value;\n        var optionSelectedStateSetter;\n        if (Array.isArray(value)) {\n            // convert values to ids\n            var ids_1 = value.map(function (v) { return _this._getOptionId(v); });\n            optionSelectedStateSetter = function (opt, o) { opt._setSelected(ids_1.indexOf(o.toString()) > -1); };\n        }\n        else {\n            optionSelectedStateSetter = function (opt, o) { opt._setSelected(false); };\n        }\n        this._optionMap.forEach(optionSelectedStateSetter);\n    };\n    /**\n     * @description\n     * Registers a function called when the control value changes\n     * and writes an array of the selected options.\n     *\n     * @param fn The callback function\n     */\n    SelectMultipleControlValueAccessor.prototype.registerOnChange = function (fn) {\n        var _this = this;\n        this.onChange = function (_) {\n            var selected = [];\n            if (_.hasOwnProperty('selectedOptions')) {\n                var options = _.selectedOptions;\n                for (var i = 0; i < options.length; i++) {\n                    var opt = options.item(i);\n                    var val = _this._getOptionValue(opt.value);\n                    selected.push(val);\n                }\n            }\n            // Degrade on IE\n            else {\n                var options = _.options;\n                for (var i = 0; i < options.length; i++) {\n                    var opt = options.item(i);\n                    if (opt.selected) {\n                        var val = _this._getOptionValue(opt.value);\n                        selected.push(val);\n                    }\n                }\n            }\n            _this.value = selected;\n            fn(selected);\n        };\n    };\n    /**\n     * @description\n     * Registers a function called when the control is touched.\n     *\n     * @param fn The callback function\n     */\n    SelectMultipleControlValueAccessor.prototype.registerOnTouched = function (fn) { this.onTouched = fn; };\n    /**\n     * Sets the \"disabled\" property on the select input element.\n     *\n     * @param isDisabled The disabled value\n     */\n    SelectMultipleControlValueAccessor.prototype.setDisabledState = function (isDisabled) {\n        this._renderer.setProperty(this._elementRef.nativeElement, 'disabled', isDisabled);\n    };\n    /** @internal */\n    SelectMultipleControlValueAccessor.prototype._registerOption = function (value) {\n        var id = (this._idCounter++).toString();\n        this._optionMap.set(id, value);\n        return id;\n    };\n    /** @internal */\n    SelectMultipleControlValueAccessor.prototype._getOptionId = function (value) {\n        var e_1, _a;\n        try {\n            for (var _b = __values(Array.from(this._optionMap.keys())), _c = _b.next(); !_c.done; _c = _b.next()) {\n                var id = _c.value;\n                if (this._compareWith(this._optionMap.get(id)._value, value))\n                    return id;\n            }\n        }\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\n        finally {\n            try {\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\n            }\n            finally { if (e_1) throw e_1.error; }\n        }\n        return null;\n    };\n    /** @internal */\n    SelectMultipleControlValueAccessor.prototype._getOptionValue = function (valueString) {\n        var id = _extractId$1(valueString);\n        return this._optionMap.has(id) ? this._optionMap.get(id)._value : valueString;\n    };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Function),\n        __metadata(\"design:paramtypes\", [Function])\n    ], SelectMultipleControlValueAccessor.prototype, \"compareWith\", null);\n    SelectMultipleControlValueAccessor = __decorate([\n        Directive({\n            selector: 'select[multiple][formControlName],select[multiple][formControl],select[multiple][ngModel]',\n            host: { '(change)': 'onChange($event.target)', '(blur)': 'onTouched()' },\n            providers: [SELECT_MULTIPLE_VALUE_ACCESSOR]\n        }),\n        __metadata(\"design:paramtypes\", [Renderer2, ElementRef])\n    ], SelectMultipleControlValueAccessor);\n    return SelectMultipleControlValueAccessor;\n}());\n/**\n * @description\n * Marks `<option>` as dynamic, so Angular can be notified when options change.\n *\n * @see `SelectMultipleControlValueAccessor`\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar ɵNgSelectMultipleOption = /** @class */ (function () {\n    function ɵNgSelectMultipleOption(_element, _renderer, _select) {\n        this._element = _element;\n        this._renderer = _renderer;\n        this._select = _select;\n        if (this._select) {\n            this.id = this._select._registerOption(this);\n        }\n    }\n    Object.defineProperty(ɵNgSelectMultipleOption.prototype, \"ngValue\", {\n        /**\n         * @description\n         * Tracks the value bound to the option element. Unlike the value binding,\n         * ngValue supports binding to objects.\n         */\n        set: function (value) {\n            if (this._select == null)\n                return;\n            this._value = value;\n            this._setElementValue(_buildValueString$1(this.id, value));\n            this._select.writeValue(this._select.value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ɵNgSelectMultipleOption.prototype, \"value\", {\n        /**\n         * @description\n         * Tracks simple string values bound to the option element.\n         * For objects, use the `ngValue` input binding.\n         */\n        set: function (value) {\n            if (this._select) {\n                this._value = value;\n                this._setElementValue(_buildValueString$1(this.id, value));\n                this._select.writeValue(this._select.value);\n            }\n            else {\n                this._setElementValue(value);\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** @internal */\n    ɵNgSelectMultipleOption.prototype._setElementValue = function (value) {\n        this._renderer.setProperty(this._element.nativeElement, 'value', value);\n    };\n    /** @internal */\n    ɵNgSelectMultipleOption.prototype._setSelected = function (selected) {\n        this._renderer.setProperty(this._element.nativeElement, 'selected', selected);\n    };\n    /**\n     * @description\n     * Lifecycle method called before the directive's instance is destroyed. For internal use only.\n     */\n    ɵNgSelectMultipleOption.prototype.ngOnDestroy = function () {\n        if (this._select) {\n            this._select._optionMap.delete(this.id);\n            this._select.writeValue(this._select.value);\n        }\n    };\n    __decorate([\n        Input('ngValue'),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], ɵNgSelectMultipleOption.prototype, \"ngValue\", null);\n    __decorate([\n        Input('value'),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], ɵNgSelectMultipleOption.prototype, \"value\", null);\n    ɵNgSelectMultipleOption = __decorate([\n        Directive({ selector: 'option' }),\n        __param(2, Optional()), __param(2, Host()),\n        __metadata(\"design:paramtypes\", [ElementRef, Renderer2,\n            SelectMultipleControlValueAccessor])\n    ], ɵNgSelectMultipleOption);\n    return ɵNgSelectMultipleOption;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction controlPath(name, parent) {\n    return __spread(parent.path, [name]);\n}\nfunction setUpControl(control, dir) {\n    if (!control)\n        _throwError(dir, 'Cannot find control with');\n    if (!dir.valueAccessor)\n        _throwError(dir, 'No value accessor for form control with');\n    control.validator = Validators.compose([control.validator, dir.validator]);\n    control.asyncValidator = Validators.composeAsync([control.asyncValidator, dir.asyncValidator]);\n    dir.valueAccessor.writeValue(control.value);\n    setUpViewChangePipeline(control, dir);\n    setUpModelChangePipeline(control, dir);\n    setUpBlurPipeline(control, dir);\n    if (dir.valueAccessor.setDisabledState) {\n        control.registerOnDisabledChange(function (isDisabled) { dir.valueAccessor.setDisabledState(isDisabled); });\n    }\n    // re-run validation when validator binding changes, e.g. minlength=3 -> minlength=4\n    dir._rawValidators.forEach(function (validator) {\n        if (validator.registerOnValidatorChange)\n            validator.registerOnValidatorChange(function () { return control.updateValueAndValidity(); });\n    });\n    dir._rawAsyncValidators.forEach(function (validator) {\n        if (validator.registerOnValidatorChange)\n            validator.registerOnValidatorChange(function () { return control.updateValueAndValidity(); });\n    });\n}\nfunction cleanUpControl(control, dir) {\n    dir.valueAccessor.registerOnChange(function () { return _noControlError(dir); });\n    dir.valueAccessor.registerOnTouched(function () { return _noControlError(dir); });\n    dir._rawValidators.forEach(function (validator) {\n        if (validator.registerOnValidatorChange) {\n            validator.registerOnValidatorChange(null);\n        }\n    });\n    dir._rawAsyncValidators.forEach(function (validator) {\n        if (validator.registerOnValidatorChange) {\n            validator.registerOnValidatorChange(null);\n        }\n    });\n    if (control)\n        control._clearChangeFns();\n}\nfunction setUpViewChangePipeline(control, dir) {\n    dir.valueAccessor.registerOnChange(function (newValue) {\n        control._pendingValue = newValue;\n        control._pendingChange = true;\n        control._pendingDirty = true;\n        if (control.updateOn === 'change')\n            updateControl(control, dir);\n    });\n}\nfunction setUpBlurPipeline(control, dir) {\n    dir.valueAccessor.registerOnTouched(function () {\n        control._pendingTouched = true;\n        if (control.updateOn === 'blur' && control._pendingChange)\n            updateControl(control, dir);\n        if (control.updateOn !== 'submit')\n            control.markAsTouched();\n    });\n}\nfunction updateControl(control, dir) {\n    if (control._pendingDirty)\n        control.markAsDirty();\n    control.setValue(control._pendingValue, { emitModelToViewChange: false });\n    dir.viewToModelUpdate(control._pendingValue);\n    control._pendingChange = false;\n}\nfunction setUpModelChangePipeline(control, dir) {\n    control.registerOnChange(function (newValue, emitModelEvent) {\n        // control -> view\n        dir.valueAccessor.writeValue(newValue);\n        // control -> ngModel\n        if (emitModelEvent)\n            dir.viewToModelUpdate(newValue);\n    });\n}\nfunction setUpFormContainer(control, dir) {\n    if (control == null)\n        _throwError(dir, 'Cannot find control with');\n    control.validator = Validators.compose([control.validator, dir.validator]);\n    control.asyncValidator = Validators.composeAsync([control.asyncValidator, dir.asyncValidator]);\n}\nfunction _noControlError(dir) {\n    return _throwError(dir, 'There is no FormControl instance attached to form control element with');\n}\nfunction _throwError(dir, message) {\n    var messageEnd;\n    if (dir.path.length > 1) {\n        messageEnd = \"path: '\" + dir.path.join(' -> ') + \"'\";\n    }\n    else if (dir.path[0]) {\n        messageEnd = \"name: '\" + dir.path + \"'\";\n    }\n    else {\n        messageEnd = 'unspecified name attribute';\n    }\n    throw new Error(message + \" \" + messageEnd);\n}\nfunction composeValidators(validators) {\n    return validators != null ? Validators.compose(validators.map(normalizeValidator)) : null;\n}\nfunction composeAsyncValidators(validators) {\n    return validators != null ? Validators.composeAsync(validators.map(normalizeAsyncValidator)) :\n        null;\n}\nfunction isPropertyUpdated(changes, viewModel) {\n    if (!changes.hasOwnProperty('model'))\n        return false;\n    var change = changes['model'];\n    if (change.isFirstChange())\n        return true;\n    return !ɵlooseIdentical(viewModel, change.currentValue);\n}\nvar BUILTIN_ACCESSORS = [\n    CheckboxControlValueAccessor,\n    RangeValueAccessor,\n    NumberValueAccessor,\n    SelectControlValueAccessor,\n    SelectMultipleControlValueAccessor,\n    RadioControlValueAccessor,\n];\nfunction isBuiltInAccessor(valueAccessor) {\n    return BUILTIN_ACCESSORS.some(function (a) { return valueAccessor.constructor === a; });\n}\nfunction syncPendingControls(form, directives) {\n    form._syncPendingControls();\n    directives.forEach(function (dir) {\n        var control = dir.control;\n        if (control.updateOn === 'submit' && control._pendingChange) {\n            dir.viewToModelUpdate(control._pendingValue);\n            control._pendingChange = false;\n        }\n    });\n}\n// TODO: vsavkin remove it once https://github.com/angular/angular/issues/3011 is implemented\nfunction selectValueAccessor(dir, valueAccessors) {\n    if (!valueAccessors)\n        return null;\n    if (!Array.isArray(valueAccessors))\n        _throwError(dir, 'Value accessor was not provided as an array for form control with');\n    var defaultAccessor = undefined;\n    var builtinAccessor = undefined;\n    var customAccessor = undefined;\n    valueAccessors.forEach(function (v) {\n        if (v.constructor === DefaultValueAccessor) {\n            defaultAccessor = v;\n        }\n        else if (isBuiltInAccessor(v)) {\n            if (builtinAccessor)\n                _throwError(dir, 'More than one built-in value accessor matches form control with');\n            builtinAccessor = v;\n        }\n        else {\n            if (customAccessor)\n                _throwError(dir, 'More than one custom value accessor matches form control with');\n            customAccessor = v;\n        }\n    });\n    if (customAccessor)\n        return customAccessor;\n    if (builtinAccessor)\n        return builtinAccessor;\n    if (defaultAccessor)\n        return defaultAccessor;\n    _throwError(dir, 'No valid value accessor for form control with');\n    return null;\n}\nfunction removeDir(list, el) {\n    var index = list.indexOf(el);\n    if (index > -1)\n        list.splice(index, 1);\n}\n// TODO(kara): remove after deprecation period\nfunction _ngModelWarning(name, type, instance, warningConfig) {\n    if (!isDevMode() || warningConfig === 'never')\n        return;\n    if (((warningConfig === null || warningConfig === 'once') && !type._ngModelWarningSentOnce) ||\n        (warningConfig === 'always' && !instance._ngModelWarningSent)) {\n        ReactiveErrors.ngModelWarning(name);\n        type._ngModelWarningSentOnce = true;\n        instance._ngModelWarningSent = true;\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Reports that a FormControl is valid, meaning that no errors exist in the input value.\n *\n * @see `status`\n */\nvar VALID = 'VALID';\n/**\n * Reports that a FormControl is invalid, meaning that an error exists in the input value.\n *\n * @see `status`\n */\nvar INVALID = 'INVALID';\n/**\n * Reports that a FormControl is pending, meaning that that async validation is occurring and\n * errors are not yet available for the input value.\n *\n * @see `markAsPending`\n * @see `status`\n */\nvar PENDING = 'PENDING';\n/**\n * Reports that a FormControl is disabled, meaning that the control is exempt from ancestor\n * calculations of validity or value.\n *\n * @see `markAsDisabled`\n * @see `status`\n */\nvar DISABLED = 'DISABLED';\nfunction _find(control, path, delimiter) {\n    if (path == null)\n        return null;\n    if (!Array.isArray(path)) {\n        path = path.split(delimiter);\n    }\n    if (Array.isArray(path) && path.length === 0)\n        return null;\n    return path.reduce(function (v, name) {\n        if (v instanceof FormGroup) {\n            return v.controls.hasOwnProperty(name) ? v.controls[name] : null;\n        }\n        if (v instanceof FormArray) {\n            return v.at(name) || null;\n        }\n        return null;\n    }, control);\n}\nfunction coerceToValidator(validatorOrOpts) {\n    var validator = (isOptionsObj(validatorOrOpts) ? validatorOrOpts.validators :\n        validatorOrOpts);\n    return Array.isArray(validator) ? composeValidators(validator) : validator || null;\n}\nfunction coerceToAsyncValidator(asyncValidator, validatorOrOpts) {\n    var origAsyncValidator = (isOptionsObj(validatorOrOpts) ? validatorOrOpts.asyncValidators :\n        asyncValidator);\n    return Array.isArray(origAsyncValidator) ? composeAsyncValidators(origAsyncValidator) :\n        origAsyncValidator || null;\n}\nfunction isOptionsObj(validatorOrOpts) {\n    return validatorOrOpts != null && !Array.isArray(validatorOrOpts) &&\n        typeof validatorOrOpts === 'object';\n}\n/**\n * This is the base class for `FormControl`, `FormGroup`, and `FormArray`.\n *\n * It provides some of the shared behavior that all controls and groups of controls have, like\n * running validators, calculating status, and resetting state. It also defines the properties\n * that are shared between all sub-classes, like `value`, `valid`, and `dirty`. It shouldn't be\n * instantiated directly.\n *\n * @see [Forms Guide](/guide/forms)\n * @see [Reactive Forms Guide](/guide/reactive-forms)\n * @see [Dynamic Forms Guide](/guide/dynamic-form)\n *\n * @publicApi\n */\nvar AbstractControl = /** @class */ (function () {\n    /**\n     * Initialize the AbstractControl instance.\n     *\n     * @param validator The function that determines the synchronous validity of this control.\n     * @param asyncValidator The function that determines the asynchronous validity of this\n     * control.\n     */\n    function AbstractControl(validator, asyncValidator) {\n        this.validator = validator;\n        this.asyncValidator = asyncValidator;\n        /** @internal */\n        this._onCollectionChange = function () { };\n        /**\n         * A control is `pristine` if the user has not yet changed\n         * the value in the UI.\n         *\n         * @returns True if the user has not yet changed the value in the UI; compare `dirty`.\n         * Programmatic changes to a control's value do not mark it dirty.\n         */\n        this.pristine = true;\n        /**\n         * True if the control is marked as `touched`.\n         *\n         * A control is marked `touched` once the user has triggered\n         * a `blur` event on it.\n         */\n        this.touched = false;\n        /** @internal */\n        this._onDisabledChange = [];\n    }\n    Object.defineProperty(AbstractControl.prototype, \"parent\", {\n        /**\n         * The parent control.\n         */\n        get: function () { return this._parent; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControl.prototype, \"valid\", {\n        /**\n         * A control is `valid` when its `status` is `VALID`.\n         *\n         * @see {@link AbstractControl.status}\n         *\n         * @returns True if the control has passed all of its validation tests,\n         * false otherwise.\n         */\n        get: function () { return this.status === VALID; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControl.prototype, \"invalid\", {\n        /**\n         * A control is `invalid` when its `status` is `INVALID`.\n         *\n         * @see {@link AbstractControl.status}\n         *\n         * @returns True if this control has failed one or more of its validation checks,\n         * false otherwise.\n         */\n        get: function () { return this.status === INVALID; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControl.prototype, \"pending\", {\n        /**\n         * A control is `pending` when its `status` is `PENDING`.\n         *\n         * @see {@link AbstractControl.status}\n         *\n         * @returns True if this control is in the process of conducting a validation check,\n         * false otherwise.\n         */\n        get: function () { return this.status == PENDING; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControl.prototype, \"disabled\", {\n        /**\n         * A control is `disabled` when its `status` is `DISABLED`.\n         *\n         * Disabled controls are exempt from validation checks and\n         * are not included in the aggregate value of their ancestor\n         * controls.\n         *\n         * @see {@link AbstractControl.status}\n         *\n         * @returns True if the control is disabled, false otherwise.\n         */\n        get: function () { return this.status === DISABLED; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControl.prototype, \"enabled\", {\n        /**\n         * A control is `enabled` as long as its `status` is not `DISABLED`.\n         *\n         * @returns True if the control has any status other than 'DISABLED',\n         * false if the status is 'DISABLED'.\n         *\n         * @see {@link AbstractControl.status}\n         *\n         */\n        get: function () { return this.status !== DISABLED; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControl.prototype, \"dirty\", {\n        /**\n         * A control is `dirty` if the user has changed the value\n         * in the UI.\n         *\n         * @returns True if the user has changed the value of this control in the UI; compare `pristine`.\n         * Programmatic changes to a control's value do not mark it dirty.\n         */\n        get: function () { return !this.pristine; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControl.prototype, \"untouched\", {\n        /**\n         * True if the control has not been marked as touched\n         *\n         * A control is `untouched` if the user has not yet triggered\n         * a `blur` event on it.\n         */\n        get: function () { return !this.touched; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractControl.prototype, \"updateOn\", {\n        /**\n         * Reports the update strategy of the `AbstractControl` (meaning\n         * the event on which the control updates itself).\n         * Possible values: `'change'` | `'blur'` | `'submit'`\n         * Default value: `'change'`\n         */\n        get: function () {\n            return this._updateOn ? this._updateOn : (this.parent ? this.parent.updateOn : 'change');\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Sets the synchronous validators that are active on this control.  Calling\n     * this overwrites any existing sync validators.\n     *\n     * When you add or remove a validator at run time, you must call\n     * `updateValueAndValidity()` for the new validation to take effect.\n     *\n     */\n    AbstractControl.prototype.setValidators = function (newValidator) {\n        this.validator = coerceToValidator(newValidator);\n    };\n    /**\n     * Sets the async validators that are active on this control. Calling this\n     * overwrites any existing async validators.\n     *\n     * When you add or remove a validator at run time, you must call\n     * `updateValueAndValidity()` for the new validation to take effect.\n     *\n     */\n    AbstractControl.prototype.setAsyncValidators = function (newValidator) {\n        this.asyncValidator = coerceToAsyncValidator(newValidator);\n    };\n    /**\n     * Empties out the sync validator list.\n     *\n     * When you add or remove a validator at run time, you must call\n     * `updateValueAndValidity()` for the new validation to take effect.\n     *\n     */\n    AbstractControl.prototype.clearValidators = function () { this.validator = null; };\n    /**\n     * Empties out the async validator list.\n     *\n     * When you add or remove a validator at run time, you must call\n     * `updateValueAndValidity()` for the new validation to take effect.\n     *\n     */\n    AbstractControl.prototype.clearAsyncValidators = function () { this.asyncValidator = null; };\n    /**\n     * Marks the control as `touched`. A control is touched by focus and\n     * blur events that do not change the value.\n     *\n     * @see `markAsUntouched()`\n     * @see `markAsDirty()`\n     * @see `markAsPristine()`\n     *\n     * @param opts Configuration options that determine how the control propagates changes\n     * and emits events after marking is applied.\n     * * `onlySelf`: When true, mark only this control. When false or not supplied,\n     * marks all direct ancestors. Default is false.\n     */\n    AbstractControl.prototype.markAsTouched = function (opts) {\n        if (opts === void 0) { opts = {}; }\n        this.touched = true;\n        if (this._parent && !opts.onlySelf) {\n            this._parent.markAsTouched(opts);\n        }\n    };\n    /**\n     * Marks the control and all its descendant controls as `touched`.\n     * @see `markAsTouched()`\n     */\n    AbstractControl.prototype.markAllAsTouched = function () {\n        this.markAsTouched({ onlySelf: true });\n        this._forEachChild(function (control) { return control.markAllAsTouched(); });\n    };\n    /**\n     * Marks the control as `untouched`.\n     *\n     * If the control has any children, also marks all children as `untouched`\n     * and recalculates the `touched` status of all parent controls.\n     *\n     * @see `markAsTouched()`\n     * @see `markAsDirty()`\n     * @see `markAsPristine()`\n     *\n     * @param opts Configuration options that determine how the control propagates changes\n     * and emits events after the marking is applied.\n     * * `onlySelf`: When true, mark only this control. When false or not supplied,\n     * marks all direct ancestors. Default is false.\n     */\n    AbstractControl.prototype.markAsUntouched = function (opts) {\n        if (opts === void 0) { opts = {}; }\n        this.touched = false;\n        this._pendingTouched = false;\n        this._forEachChild(function (control) { control.markAsUntouched({ onlySelf: true }); });\n        if (this._parent && !opts.onlySelf) {\n            this._parent._updateTouched(opts);\n        }\n    };\n    /**\n     * Marks the control as `dirty`. A control becomes dirty when\n     * the control's value is changed through the UI; compare `markAsTouched`.\n     *\n     * @see `markAsTouched()`\n     * @see `markAsUntouched()`\n     * @see `markAsPristine()`\n     *\n     * @param opts Configuration options that determine how the control propagates changes\n     * and emits events after marking is applied.\n     * * `onlySelf`: When true, mark only this control. When false or not supplied,\n     * marks all direct ancestors. Default is false.\n     */\n    AbstractControl.prototype.markAsDirty = function (opts) {\n        if (opts === void 0) { opts = {}; }\n        this.pristine = false;\n        if (this._parent && !opts.onlySelf) {\n            this._parent.markAsDirty(opts);\n        }\n    };\n    /**\n     * Marks the control as `pristine`.\n     *\n     * If the control has any children, marks all children as `pristine`,\n     * and recalculates the `pristine` status of all parent\n     * controls.\n     *\n     * @see `markAsTouched()`\n     * @see `markAsUntouched()`\n     * @see `markAsDirty()`\n     *\n     * @param opts Configuration options that determine how the control emits events after\n     * marking is applied.\n     * * `onlySelf`: When true, mark only this control. When false or not supplied,\n     * marks all direct ancestors. Default is false..\n     */\n    AbstractControl.prototype.markAsPristine = function (opts) {\n        if (opts === void 0) { opts = {}; }\n        this.pristine = true;\n        this._pendingDirty = false;\n        this._forEachChild(function (control) { control.markAsPristine({ onlySelf: true }); });\n        if (this._parent && !opts.onlySelf) {\n            this._parent._updatePristine(opts);\n        }\n    };\n    /**\n     * Marks the control as `pending`.\n     *\n     * A control is pending while the control performs async validation.\n     *\n     * @see {@link AbstractControl.status}\n     *\n     * @param opts Configuration options that determine how the control propagates changes and\n     * emits events after marking is applied.\n     * * `onlySelf`: When true, mark only this control. When false or not supplied,\n     * marks all direct ancestors. Default is false..\n     * * `emitEvent`: When true or not supplied (the default), the `statusChanges`\n     * observable emits an event with the latest status the control is marked pending.\n     * When false, no events are emitted.\n     *\n     */\n    AbstractControl.prototype.markAsPending = function (opts) {\n        if (opts === void 0) { opts = {}; }\n        this.status = PENDING;\n        if (opts.emitEvent !== false) {\n            this.statusChanges.emit(this.status);\n        }\n        if (this._parent && !opts.onlySelf) {\n            this._parent.markAsPending(opts);\n        }\n    };\n    /**\n     * Disables the control. This means the control is exempt from validation checks and\n     * excluded from the aggregate value of any parent. Its status is `DISABLED`.\n     *\n     * If the control has children, all children are also disabled.\n     *\n     * @see {@link AbstractControl.status}\n     *\n     * @param opts Configuration options that determine how the control propagates\n     * changes and emits events after the control is disabled.\n     * * `onlySelf`: When true, mark only this control. When false or not supplied,\n     * marks all direct ancestors. Default is false..\n     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and\n     * `valueChanges`\n     * observables emit events with the latest status and value when the control is disabled.\n     * When false, no events are emitted.\n     */\n    AbstractControl.prototype.disable = function (opts) {\n        if (opts === void 0) { opts = {}; }\n        // If parent has been marked artificially dirty we don't want to re-calculate the\n        // parent's dirtiness based on the children.\n        var skipPristineCheck = this._parentMarkedDirty(opts.onlySelf);\n        this.status = DISABLED;\n        this.errors = null;\n        this._forEachChild(function (control) { control.disable(__assign(__assign({}, opts), { onlySelf: true })); });\n        this._updateValue();\n        if (opts.emitEvent !== false) {\n            this.valueChanges.emit(this.value);\n            this.statusChanges.emit(this.status);\n        }\n        this._updateAncestors(__assign(__assign({}, opts), { skipPristineCheck: skipPristineCheck }));\n        this._onDisabledChange.forEach(function (changeFn) { return changeFn(true); });\n    };\n    /**\n     * Enables the control. This means the control is included in validation checks and\n     * the aggregate value of its parent. Its status recalculates based on its value and\n     * its validators.\n     *\n     * By default, if the control has children, all children are enabled.\n     *\n     * @see {@link AbstractControl.status}\n     *\n     * @param opts Configure options that control how the control propagates changes and\n     * emits events when marked as untouched\n     * * `onlySelf`: When true, mark only this control. When false or not supplied,\n     * marks all direct ancestors. Default is false..\n     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and\n     * `valueChanges`\n     * observables emit events with the latest status and value when the control is enabled.\n     * When false, no events are emitted.\n     */\n    AbstractControl.prototype.enable = function (opts) {\n        if (opts === void 0) { opts = {}; }\n        // If parent has been marked artificially dirty we don't want to re-calculate the\n        // parent's dirtiness based on the children.\n        var skipPristineCheck = this._parentMarkedDirty(opts.onlySelf);\n        this.status = VALID;\n        this._forEachChild(function (control) { control.enable(__assign(__assign({}, opts), { onlySelf: true })); });\n        this.updateValueAndValidity({ onlySelf: true, emitEvent: opts.emitEvent });\n        this._updateAncestors(__assign(__assign({}, opts), { skipPristineCheck: skipPristineCheck }));\n        this._onDisabledChange.forEach(function (changeFn) { return changeFn(false); });\n    };\n    AbstractControl.prototype._updateAncestors = function (opts) {\n        if (this._parent && !opts.onlySelf) {\n            this._parent.updateValueAndValidity(opts);\n            if (!opts.skipPristineCheck) {\n                this._parent._updatePristine();\n            }\n            this._parent._updateTouched();\n        }\n    };\n    /**\n     * @param parent Sets the parent of the control\n     */\n    AbstractControl.prototype.setParent = function (parent) { this._parent = parent; };\n    /**\n     * Recalculates the value and validation status of the control.\n     *\n     * By default, it also updates the value and validity of its ancestors.\n     *\n     * @param opts Configuration options determine how the control propagates changes and emits events\n     * after updates and validity checks are applied.\n     * * `onlySelf`: When true, only update this control. When false or not supplied,\n     * update all direct ancestors. Default is false..\n     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and\n     * `valueChanges`\n     * observables emit events with the latest status and value when the control is updated.\n     * When false, no events are emitted.\n     */\n    AbstractControl.prototype.updateValueAndValidity = function (opts) {\n        if (opts === void 0) { opts = {}; }\n        this._setInitialStatus();\n        this._updateValue();\n        if (this.enabled) {\n            this._cancelExistingSubscription();\n            this.errors = this._runValidator();\n            this.status = this._calculateStatus();\n            if (this.status === VALID || this.status === PENDING) {\n                this._runAsyncValidator(opts.emitEvent);\n            }\n        }\n        if (opts.emitEvent !== false) {\n            this.valueChanges.emit(this.value);\n            this.statusChanges.emit(this.status);\n        }\n        if (this._parent && !opts.onlySelf) {\n            this._parent.updateValueAndValidity(opts);\n        }\n    };\n    /** @internal */\n    AbstractControl.prototype._updateTreeValidity = function (opts) {\n        if (opts === void 0) { opts = { emitEvent: true }; }\n        this._forEachChild(function (ctrl) { return ctrl._updateTreeValidity(opts); });\n        this.updateValueAndValidity({ onlySelf: true, emitEvent: opts.emitEvent });\n    };\n    AbstractControl.prototype._setInitialStatus = function () {\n        this.status = this._allControlsDisabled() ? DISABLED : VALID;\n    };\n    AbstractControl.prototype._runValidator = function () {\n        return this.validator ? this.validator(this) : null;\n    };\n    AbstractControl.prototype._runAsyncValidator = function (emitEvent) {\n        var _this = this;\n        if (this.asyncValidator) {\n            this.status = PENDING;\n            var obs = toObservable(this.asyncValidator(this));\n            this._asyncValidationSubscription =\n                obs.subscribe(function (errors) { return _this.setErrors(errors, { emitEvent: emitEvent }); });\n        }\n    };\n    AbstractControl.prototype._cancelExistingSubscription = function () {\n        if (this._asyncValidationSubscription) {\n            this._asyncValidationSubscription.unsubscribe();\n        }\n    };\n    /**\n     * Sets errors on a form control when running validations manually, rather than automatically.\n     *\n     * Calling `setErrors` also updates the validity of the parent control.\n     *\n     * @usageNotes\n     * ### Manually set the errors for a control\n     *\n     * ```\n     * const login = new FormControl('someLogin');\n     * login.setErrors({\n     *   notUnique: true\n     * });\n     *\n     * expect(login.valid).toEqual(false);\n     * expect(login.errors).toEqual({ notUnique: true });\n     *\n     * login.setValue('someOtherLogin');\n     *\n     * expect(login.valid).toEqual(true);\n     * ```\n     */\n    AbstractControl.prototype.setErrors = function (errors, opts) {\n        if (opts === void 0) { opts = {}; }\n        this.errors = errors;\n        this._updateControlsErrors(opts.emitEvent !== false);\n    };\n    /**\n     * Retrieves a child control given the control's name or path.\n     *\n     * @param path A dot-delimited string or array of string/number values that define the path to the\n     * control.\n     *\n     * @usageNotes\n     * ### Retrieve a nested control\n     *\n     * For example, to get a `name` control nested within a `person` sub-group:\n     *\n     * * `this.form.get('person.name');`\n     *\n     * -OR-\n     *\n     * * `this.form.get(['person', 'name']);`\n     */\n    AbstractControl.prototype.get = function (path) { return _find(this, path, '.'); };\n    /**\n     * @description\n     * Reports error data for the control with the given path.\n     *\n     * @param errorCode The code of the error to check\n     * @param path A list of control names that designates how to move from the current control\n     * to the control that should be queried for errors.\n     *\n     * @usageNotes\n     * For example, for the following `FormGroup`:\n     *\n     * ```\n     * form = new FormGroup({\n     *   address: new FormGroup({ street: new FormControl() })\n     * });\n     * ```\n     *\n     * The path to the 'street' control from the root form would be 'address' -> 'street'.\n     *\n     * It can be provided to this method in one of two formats:\n     *\n     * 1. An array of string control names, e.g. `['address', 'street']`\n     * 1. A period-delimited list of control names in one string, e.g. `'address.street'`\n     *\n     * @returns error data for that particular error. If the control or error is not present,\n     * null is returned.\n     */\n    AbstractControl.prototype.getError = function (errorCode, path) {\n        var control = path ? this.get(path) : this;\n        return control && control.errors ? control.errors[errorCode] : null;\n    };\n    /**\n     * @description\n     * Reports whether the control with the given path has the error specified.\n     *\n     * @param errorCode The code of the error to check\n     * @param path A list of control names that designates how to move from the current control\n     * to the control that should be queried for errors.\n     *\n     * @usageNotes\n     * For example, for the following `FormGroup`:\n     *\n     * ```\n     * form = new FormGroup({\n     *   address: new FormGroup({ street: new FormControl() })\n     * });\n     * ```\n     *\n     * The path to the 'street' control from the root form would be 'address' -> 'street'.\n     *\n     * It can be provided to this method in one of two formats:\n     *\n     * 1. An array of string control names, e.g. `['address', 'street']`\n     * 1. A period-delimited list of control names in one string, e.g. `'address.street'`\n     *\n     * If no path is given, this method checks for the error on the current control.\n     *\n     * @returns whether the given error is present in the control at the given path.\n     *\n     * If the control is not present, false is returned.\n     */\n    AbstractControl.prototype.hasError = function (errorCode, path) {\n        return !!this.getError(errorCode, path);\n    };\n    Object.defineProperty(AbstractControl.prototype, \"root\", {\n        /**\n         * Retrieves the top-level ancestor of this control.\n         */\n        get: function () {\n            var x = this;\n            while (x._parent) {\n                x = x._parent;\n            }\n            return x;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** @internal */\n    AbstractControl.prototype._updateControlsErrors = function (emitEvent) {\n        this.status = this._calculateStatus();\n        if (emitEvent) {\n            this.statusChanges.emit(this.status);\n        }\n        if (this._parent) {\n            this._parent._updateControlsErrors(emitEvent);\n        }\n    };\n    /** @internal */\n    AbstractControl.prototype._initObservables = function () {\n        this.valueChanges = new EventEmitter();\n        this.statusChanges = new EventEmitter();\n    };\n    AbstractControl.prototype._calculateStatus = function () {\n        if (this._allControlsDisabled())\n            return DISABLED;\n        if (this.errors)\n            return INVALID;\n        if (this._anyControlsHaveStatus(PENDING))\n            return PENDING;\n        if (this._anyControlsHaveStatus(INVALID))\n            return INVALID;\n        return VALID;\n    };\n    /** @internal */\n    AbstractControl.prototype._anyControlsHaveStatus = function (status) {\n        return this._anyControls(function (control) { return control.status === status; });\n    };\n    /** @internal */\n    AbstractControl.prototype._anyControlsDirty = function () {\n        return this._anyControls(function (control) { return control.dirty; });\n    };\n    /** @internal */\n    AbstractControl.prototype._anyControlsTouched = function () {\n        return this._anyControls(function (control) { return control.touched; });\n    };\n    /** @internal */\n    AbstractControl.prototype._updatePristine = function (opts) {\n        if (opts === void 0) { opts = {}; }\n        this.pristine = !this._anyControlsDirty();\n        if (this._parent && !opts.onlySelf) {\n            this._parent._updatePristine(opts);\n        }\n    };\n    /** @internal */\n    AbstractControl.prototype._updateTouched = function (opts) {\n        if (opts === void 0) { opts = {}; }\n        this.touched = this._anyControlsTouched();\n        if (this._parent && !opts.onlySelf) {\n            this._parent._updateTouched(opts);\n        }\n    };\n    /** @internal */\n    AbstractControl.prototype._isBoxedValue = function (formState) {\n        return typeof formState === 'object' && formState !== null &&\n            Object.keys(formState).length === 2 && 'value' in formState && 'disabled' in formState;\n    };\n    /** @internal */\n    AbstractControl.prototype._registerOnCollectionChange = function (fn) { this._onCollectionChange = fn; };\n    /** @internal */\n    AbstractControl.prototype._setUpdateStrategy = function (opts) {\n        if (isOptionsObj(opts) && opts.updateOn != null) {\n            this._updateOn = opts.updateOn;\n        }\n    };\n    /**\n     * Check to see if parent has been marked artificially dirty.\n     *\n     * @internal\n     */\n    AbstractControl.prototype._parentMarkedDirty = function (onlySelf) {\n        var parentDirty = this._parent && this._parent.dirty;\n        return !onlySelf && parentDirty && !this._parent._anyControlsDirty();\n    };\n    return AbstractControl;\n}());\n/**\n * Tracks the value and validation status of an individual form control.\n *\n * This is one of the three fundamental building blocks of Angular forms, along with\n * `FormGroup` and `FormArray`. It extends the `AbstractControl` class that\n * implements most of the base functionality for accessing the value, validation status,\n * user interactions and events.\n *\n * @see `AbstractControl`\n * @see [Reactive Forms Guide](guide/reactive-forms)\n * @see [Usage Notes](#usage-notes)\n *\n * @usageNotes\n *\n * ### Initializing Form Controls\n *\n * Instantiate a `FormControl`, with an initial value.\n *\n * ```ts\n * const control = new FormControl('some value');\n * console.log(control.value);     // 'some value'\n *```\n *\n * The following example initializes the control with a form state object. The `value`\n * and `disabled` keys are required in this case.\n *\n * ```ts\n * const control = new FormControl({ value: 'n/a', disabled: true });\n * console.log(control.value);     // 'n/a'\n * console.log(control.status);    // 'DISABLED'\n * ```\n *\n * The following example initializes the control with a sync validator.\n *\n * ```ts\n * const control = new FormControl('', Validators.required);\n * console.log(control.value);      // ''\n * console.log(control.status);     // 'INVALID'\n * ```\n *\n * The following example initializes the control using an options object.\n *\n * ```ts\n * const control = new FormControl('', {\n *    validators: Validators.required,\n *    asyncValidators: myAsyncValidator\n * });\n * ```\n *\n * ### Configure the control to update on a blur event\n *\n * Set the `updateOn` option to `'blur'` to update on the blur `event`.\n *\n * ```ts\n * const control = new FormControl('', { updateOn: 'blur' });\n * ```\n *\n * ### Configure the control to update on a submit event\n *\n * Set the `updateOn` option to `'submit'` to update on a submit `event`.\n *\n * ```ts\n * const control = new FormControl('', { updateOn: 'submit' });\n * ```\n *\n * ### Reset the control back to an initial value\n *\n * You reset to a specific form state by passing through a standalone\n * value or a form state object that contains both a value and a disabled state\n * (these are the only two properties that cannot be calculated).\n *\n * ```ts\n * const control = new FormControl('Nancy');\n *\n * console.log(control.value); // 'Nancy'\n *\n * control.reset('Drew');\n *\n * console.log(control.value); // 'Drew'\n * ```\n *\n * ### Reset the control back to an initial value and disabled\n *\n * ```\n * const control = new FormControl('Nancy');\n *\n * console.log(control.value); // 'Nancy'\n * console.log(control.status); // 'VALID'\n *\n * control.reset({ value: 'Drew', disabled: true });\n *\n * console.log(control.value); // 'Drew'\n * console.log(control.status); // 'DISABLED'\n * ```\n *\n * @publicApi\n */\nvar FormControl = /** @class */ (function (_super) {\n    __extends(FormControl, _super);\n    /**\n    * Creates a new `FormControl` instance.\n    *\n    * @param formState Initializes the control with an initial value,\n    * or an object that defines the initial value and disabled state.\n    *\n    * @param validatorOrOpts A synchronous validator function, or an array of\n    * such functions, or an `AbstractControlOptions` object that contains validation functions\n    * and a validation trigger.\n    *\n    * @param asyncValidator A single async validator or array of async validator functions\n    *\n    */\n    function FormControl(formState, validatorOrOpts, asyncValidator) {\n        if (formState === void 0) { formState = null; }\n        var _this = _super.call(this, coerceToValidator(validatorOrOpts), coerceToAsyncValidator(asyncValidator, validatorOrOpts)) || this;\n        /** @internal */\n        _this._onChange = [];\n        _this._applyFormState(formState);\n        _this._setUpdateStrategy(validatorOrOpts);\n        _this.updateValueAndValidity({ onlySelf: true, emitEvent: false });\n        _this._initObservables();\n        return _this;\n    }\n    /**\n     * Sets a new value for the form control.\n     *\n     * @param value The new value for the control.\n     * @param options Configuration options that determine how the control propagates changes\n     * and emits events when the value changes.\n     * The configuration options are passed to the {@link AbstractControl#updateValueAndValidity\n     * updateValueAndValidity} method.\n     *\n     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default is\n     * false.\n     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and\n     * `valueChanges`\n     * observables emit events with the latest status and value when the control value is updated.\n     * When false, no events are emitted.\n     * * `emitModelToViewChange`: When true or not supplied  (the default), each change triggers an\n     * `onChange` event to\n     * update the view.\n     * * `emitViewToModelChange`: When true or not supplied (the default), each change triggers an\n     * `ngModelChange`\n     * event to update the model.\n     *\n     */\n    FormControl.prototype.setValue = function (value, options) {\n        var _this = this;\n        if (options === void 0) { options = {}; }\n        this.value = this._pendingValue = value;\n        if (this._onChange.length && options.emitModelToViewChange !== false) {\n            this._onChange.forEach(function (changeFn) { return changeFn(_this.value, options.emitViewToModelChange !== false); });\n        }\n        this.updateValueAndValidity(options);\n    };\n    /**\n     * Patches the value of a control.\n     *\n     * This function is functionally the same as {@link FormControl#setValue setValue} at this level.\n     * It exists for symmetry with {@link FormGroup#patchValue patchValue} on `FormGroups` and\n     * `FormArrays`, where it does behave differently.\n     *\n     * @see `setValue` for options\n     */\n    FormControl.prototype.patchValue = function (value, options) {\n        if (options === void 0) { options = {}; }\n        this.setValue(value, options);\n    };\n    /**\n     * Resets the form control, marking it `pristine` and `untouched`, and setting\n     * the value to null.\n     *\n     * @param formState Resets the control with an initial value,\n     * or an object that defines the initial value and disabled state.\n     *\n     * @param options Configuration options that determine how the control propagates changes\n     * and emits events after the value changes.\n     *\n     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default is\n     * false.\n     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and\n     * `valueChanges`\n     * observables emit events with the latest status and value when the control is reset.\n     * When false, no events are emitted.\n     *\n     */\n    FormControl.prototype.reset = function (formState, options) {\n        if (formState === void 0) { formState = null; }\n        if (options === void 0) { options = {}; }\n        this._applyFormState(formState);\n        this.markAsPristine(options);\n        this.markAsUntouched(options);\n        this.setValue(this.value, options);\n        this._pendingChange = false;\n    };\n    /**\n     * @internal\n     */\n    FormControl.prototype._updateValue = function () { };\n    /**\n     * @internal\n     */\n    FormControl.prototype._anyControls = function (condition) { return false; };\n    /**\n     * @internal\n     */\n    FormControl.prototype._allControlsDisabled = function () { return this.disabled; };\n    /**\n     * Register a listener for change events.\n     *\n     * @param fn The method that is called when the value changes\n     */\n    FormControl.prototype.registerOnChange = function (fn) { this._onChange.push(fn); };\n    /**\n     * @internal\n     */\n    FormControl.prototype._clearChangeFns = function () {\n        this._onChange = [];\n        this._onDisabledChange = [];\n        this._onCollectionChange = function () { };\n    };\n    /**\n     * Register a listener for disabled events.\n     *\n     * @param fn The method that is called when the disabled status changes.\n     */\n    FormControl.prototype.registerOnDisabledChange = function (fn) {\n        this._onDisabledChange.push(fn);\n    };\n    /**\n     * @internal\n     */\n    FormControl.prototype._forEachChild = function (cb) { };\n    /** @internal */\n    FormControl.prototype._syncPendingControls = function () {\n        if (this.updateOn === 'submit') {\n            if (this._pendingDirty)\n                this.markAsDirty();\n            if (this._pendingTouched)\n                this.markAsTouched();\n            if (this._pendingChange) {\n                this.setValue(this._pendingValue, { onlySelf: true, emitModelToViewChange: false });\n                return true;\n            }\n        }\n        return false;\n    };\n    FormControl.prototype._applyFormState = function (formState) {\n        if (this._isBoxedValue(formState)) {\n            this.value = this._pendingValue = formState.value;\n            formState.disabled ? this.disable({ onlySelf: true, emitEvent: false }) :\n                this.enable({ onlySelf: true, emitEvent: false });\n        }\n        else {\n            this.value = this._pendingValue = formState;\n        }\n    };\n    return FormControl;\n}(AbstractControl));\n/**\n * Tracks the value and validity state of a group of `FormControl` instances.\n *\n * A `FormGroup` aggregates the values of each child `FormControl` into one object,\n * with each control name as the key.  It calculates its status by reducing the status values\n * of its children. For example, if one of the controls in a group is invalid, the entire\n * group becomes invalid.\n *\n * `FormGroup` is one of the three fundamental building blocks used to define forms in Angular,\n * along with `FormControl` and `FormArray`.\n *\n * When instantiating a `FormGroup`, pass in a collection of child controls as the first\n * argument. The key for each child registers the name for the control.\n *\n * @usageNotes\n *\n * ### Create a form group with 2 controls\n *\n * ```\n * const form = new FormGroup({\n *   first: new FormControl('Nancy', Validators.minLength(2)),\n *   last: new FormControl('Drew'),\n * });\n *\n * console.log(form.value);   // {first: 'Nancy', last; 'Drew'}\n * console.log(form.status);  // 'VALID'\n * ```\n *\n * ### Create a form group with a group-level validator\n *\n * You include group-level validators as the second arg, or group-level async\n * validators as the third arg. These come in handy when you want to perform validation\n * that considers the value of more than one child control.\n *\n * ```\n * const form = new FormGroup({\n *   password: new FormControl('', Validators.minLength(2)),\n *   passwordConfirm: new FormControl('', Validators.minLength(2)),\n * }, passwordMatchValidator);\n *\n *\n * function passwordMatchValidator(g: FormGroup) {\n *    return g.get('password').value === g.get('passwordConfirm').value\n *       ? null : {'mismatch': true};\n * }\n * ```\n *\n * Like `FormControl` instances, you choose to pass in\n * validators and async validators as part of an options object.\n *\n * ```\n * const form = new FormGroup({\n *   password: new FormControl('')\n *   passwordConfirm: new FormControl('')\n * }, { validators: passwordMatchValidator, asyncValidators: otherValidator });\n * ```\n *\n * ### Set the updateOn property for all controls in a form group\n *\n * The options object is used to set a default value for each child\n * control's `updateOn` property. If you set `updateOn` to `'blur'` at the\n * group level, all child controls default to 'blur', unless the child\n * has explicitly specified a different `updateOn` value.\n *\n * ```ts\n * const c = new FormGroup({\n *   one: new FormControl()\n * }, { updateOn: 'blur' });\n * ```\n *\n * @publicApi\n */\nvar FormGroup = /** @class */ (function (_super) {\n    __extends(FormGroup, _super);\n    /**\n    * Creates a new `FormGroup` instance.\n    *\n    * @param controls A collection of child controls. The key for each child is the name\n    * under which it is registered.\n    *\n    * @param validatorOrOpts A synchronous validator function, or an array of\n    * such functions, or an `AbstractControlOptions` object that contains validation functions\n    * and a validation trigger.\n    *\n    * @param asyncValidator A single async validator or array of async validator functions\n    *\n    */\n    function FormGroup(controls, validatorOrOpts, asyncValidator) {\n        var _this = _super.call(this, coerceToValidator(validatorOrOpts), coerceToAsyncValidator(asyncValidator, validatorOrOpts)) || this;\n        _this.controls = controls;\n        _this._initObservables();\n        _this._setUpdateStrategy(validatorOrOpts);\n        _this._setUpControls();\n        _this.updateValueAndValidity({ onlySelf: true, emitEvent: false });\n        return _this;\n    }\n    /**\n     * Registers a control with the group's list of controls.\n     *\n     * This method does not update the value or validity of the control.\n     * Use {@link FormGroup#addControl addControl} instead.\n     *\n     * @param name The control name to register in the collection\n     * @param control Provides the control for the given name\n     */\n    FormGroup.prototype.registerControl = function (name, control) {\n        if (this.controls[name])\n            return this.controls[name];\n        this.controls[name] = control;\n        control.setParent(this);\n        control._registerOnCollectionChange(this._onCollectionChange);\n        return control;\n    };\n    /**\n     * Add a control to this group.\n     *\n     * This method also updates the value and validity of the control.\n     *\n     * @param name The control name to add to the collection\n     * @param control Provides the control for the given name\n     */\n    FormGroup.prototype.addControl = function (name, control) {\n        this.registerControl(name, control);\n        this.updateValueAndValidity();\n        this._onCollectionChange();\n    };\n    /**\n     * Remove a control from this group.\n     *\n     * @param name The control name to remove from the collection\n     */\n    FormGroup.prototype.removeControl = function (name) {\n        if (this.controls[name])\n            this.controls[name]._registerOnCollectionChange(function () { });\n        delete (this.controls[name]);\n        this.updateValueAndValidity();\n        this._onCollectionChange();\n    };\n    /**\n     * Replace an existing control.\n     *\n     * @param name The control name to replace in the collection\n     * @param control Provides the control for the given name\n     */\n    FormGroup.prototype.setControl = function (name, control) {\n        if (this.controls[name])\n            this.controls[name]._registerOnCollectionChange(function () { });\n        delete (this.controls[name]);\n        if (control)\n            this.registerControl(name, control);\n        this.updateValueAndValidity();\n        this._onCollectionChange();\n    };\n    /**\n     * Check whether there is an enabled control with the given name in the group.\n     *\n     * Reports false for disabled controls. If you'd like to check for existence in the group\n     * only, use {@link AbstractControl#get get} instead.\n     *\n     * @param controlName The control name to check for existence in the collection\n     *\n     * @returns false for disabled controls, true otherwise.\n     */\n    FormGroup.prototype.contains = function (controlName) {\n        return this.controls.hasOwnProperty(controlName) && this.controls[controlName].enabled;\n    };\n    /**\n     * Sets the value of the `FormGroup`. It accepts an object that matches\n     * the structure of the group, with control names as keys.\n     *\n     * @usageNotes\n     * ### Set the complete value for the form group\n     *\n     * ```\n     * const form = new FormGroup({\n     *   first: new FormControl(),\n     *   last: new FormControl()\n     * });\n     *\n     * console.log(form.value);   // {first: null, last: null}\n     *\n     * form.setValue({first: 'Nancy', last: 'Drew'});\n     * console.log(form.value);   // {first: 'Nancy', last: 'Drew'}\n     * ```\n     *\n     * @throws When strict checks fail, such as setting the value of a control\n     * that doesn't exist or if you exclude a value of a control that does exist.\n     *\n     * @param value The new value for the control that matches the structure of the group.\n     * @param options Configuration options that determine how the control propagates changes\n     * and emits events after the value changes.\n     * The configuration options are passed to the {@link AbstractControl#updateValueAndValidity\n     * updateValueAndValidity} method.\n     *\n     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default is\n     * false.\n     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and\n     * `valueChanges`\n     * observables emit events with the latest status and value when the control value is updated.\n     * When false, no events are emitted.\n     */\n    FormGroup.prototype.setValue = function (value, options) {\n        var _this = this;\n        if (options === void 0) { options = {}; }\n        this._checkAllValuesPresent(value);\n        Object.keys(value).forEach(function (name) {\n            _this._throwIfControlMissing(name);\n            _this.controls[name].setValue(value[name], { onlySelf: true, emitEvent: options.emitEvent });\n        });\n        this.updateValueAndValidity(options);\n    };\n    /**\n     * Patches the value of the `FormGroup`. It accepts an object with control\n     * names as keys, and does its best to match the values to the correct controls\n     * in the group.\n     *\n     * It accepts both super-sets and sub-sets of the group without throwing an error.\n     *\n     * @usageNotes\n     * ### Patch the value for a form group\n     *\n     * ```\n     * const form = new FormGroup({\n     *    first: new FormControl(),\n     *    last: new FormControl()\n     * });\n     * console.log(form.value);   // {first: null, last: null}\n     *\n     * form.patchValue({first: 'Nancy'});\n     * console.log(form.value);   // {first: 'Nancy', last: null}\n     * ```\n     *\n     * @param value The object that matches the structure of the group.\n     * @param options Configuration options that determine how the control propagates changes and\n     * emits events after the value is patched.\n     * * `onlySelf`: When true, each change only affects this control and not its parent. Default is\n     * true.\n     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and\n     * `valueChanges`\n     * observables emit events with the latest status and value when the control value is updated.\n     * When false, no events are emitted.\n     * The configuration options are passed to the {@link AbstractControl#updateValueAndValidity\n     * updateValueAndValidity} method.\n     */\n    FormGroup.prototype.patchValue = function (value, options) {\n        var _this = this;\n        if (options === void 0) { options = {}; }\n        Object.keys(value).forEach(function (name) {\n            if (_this.controls[name]) {\n                _this.controls[name].patchValue(value[name], { onlySelf: true, emitEvent: options.emitEvent });\n            }\n        });\n        this.updateValueAndValidity(options);\n    };\n    /**\n     * Resets the `FormGroup`, marks all descendants are marked `pristine` and `untouched`, and\n     * the value of all descendants to null.\n     *\n     * You reset to a specific form state by passing in a map of states\n     * that matches the structure of your form, with control names as keys. The state\n     * is a standalone value or a form state object with both a value and a disabled\n     * status.\n     *\n     * @param value Resets the control with an initial value,\n     * or an object that defines the initial value and disabled state.\n     *\n     * @param options Configuration options that determine how the control propagates changes\n     * and emits events when the group is reset.\n     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default is\n     * false.\n     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and\n     * `valueChanges`\n     * observables emit events with the latest status and value when the control is reset.\n     * When false, no events are emitted.\n     * The configuration options are passed to the {@link AbstractControl#updateValueAndValidity\n     * updateValueAndValidity} method.\n     *\n     * @usageNotes\n     *\n     * ### Reset the form group values\n     *\n     * ```ts\n     * const form = new FormGroup({\n     *   first: new FormControl('first name'),\n     *   last: new FormControl('last name')\n     * });\n     *\n     * console.log(form.value);  // {first: 'first name', last: 'last name'}\n     *\n     * form.reset({ first: 'name', last: 'last name' });\n     *\n     * console.log(form.value);  // {first: 'name', last: 'last name'}\n     * ```\n     *\n     * ### Reset the form group values and disabled status\n     *\n     * ```\n     * const form = new FormGroup({\n     *   first: new FormControl('first name'),\n     *   last: new FormControl('last name')\n     * });\n     *\n     * form.reset({\n     *   first: {value: 'name', disabled: true},\n     *   last: 'last'\n     * });\n     *\n     * console.log(this.form.value);  // {first: 'name', last: 'last name'}\n     * console.log(this.form.get('first').status);  // 'DISABLED'\n     * ```\n     */\n    FormGroup.prototype.reset = function (value, options) {\n        if (value === void 0) { value = {}; }\n        if (options === void 0) { options = {}; }\n        this._forEachChild(function (control, name) {\n            control.reset(value[name], { onlySelf: true, emitEvent: options.emitEvent });\n        });\n        this._updatePristine(options);\n        this._updateTouched(options);\n        this.updateValueAndValidity(options);\n    };\n    /**\n     * The aggregate value of the `FormGroup`, including any disabled controls.\n     *\n     * Retrieves all values regardless of disabled status.\n     * The `value` property is the best way to get the value of the group, because\n     * it excludes disabled controls in the `FormGroup`.\n     */\n    FormGroup.prototype.getRawValue = function () {\n        return this._reduceChildren({}, function (acc, control, name) {\n            acc[name] = control instanceof FormControl ? control.value : control.getRawValue();\n            return acc;\n        });\n    };\n    /** @internal */\n    FormGroup.prototype._syncPendingControls = function () {\n        var subtreeUpdated = this._reduceChildren(false, function (updated, child) {\n            return child._syncPendingControls() ? true : updated;\n        });\n        if (subtreeUpdated)\n            this.updateValueAndValidity({ onlySelf: true });\n        return subtreeUpdated;\n    };\n    /** @internal */\n    FormGroup.prototype._throwIfControlMissing = function (name) {\n        if (!Object.keys(this.controls).length) {\n            throw new Error(\"\\n        There are no form controls registered with this group yet.  If you're using ngModel,\\n        you may want to check next tick (e.g. use setTimeout).\\n      \");\n        }\n        if (!this.controls[name]) {\n            throw new Error(\"Cannot find form control with name: \" + name + \".\");\n        }\n    };\n    /** @internal */\n    FormGroup.prototype._forEachChild = function (cb) {\n        var _this = this;\n        Object.keys(this.controls).forEach(function (k) { return cb(_this.controls[k], k); });\n    };\n    /** @internal */\n    FormGroup.prototype._setUpControls = function () {\n        var _this = this;\n        this._forEachChild(function (control) {\n            control.setParent(_this);\n            control._registerOnCollectionChange(_this._onCollectionChange);\n        });\n    };\n    /** @internal */\n    FormGroup.prototype._updateValue = function () { this.value = this._reduceValue(); };\n    /** @internal */\n    FormGroup.prototype._anyControls = function (condition) {\n        var _this = this;\n        var res = false;\n        this._forEachChild(function (control, name) {\n            res = res || (_this.contains(name) && condition(control));\n        });\n        return res;\n    };\n    /** @internal */\n    FormGroup.prototype._reduceValue = function () {\n        var _this = this;\n        return this._reduceChildren({}, function (acc, control, name) {\n            if (control.enabled || _this.disabled) {\n                acc[name] = control.value;\n            }\n            return acc;\n        });\n    };\n    /** @internal */\n    FormGroup.prototype._reduceChildren = function (initValue, fn) {\n        var res = initValue;\n        this._forEachChild(function (control, name) { res = fn(res, control, name); });\n        return res;\n    };\n    /** @internal */\n    FormGroup.prototype._allControlsDisabled = function () {\n        var e_1, _a;\n        try {\n            for (var _b = __values(Object.keys(this.controls)), _c = _b.next(); !_c.done; _c = _b.next()) {\n                var controlName = _c.value;\n                if (this.controls[controlName].enabled) {\n                    return false;\n                }\n            }\n        }\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\n        finally {\n            try {\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\n            }\n            finally { if (e_1) throw e_1.error; }\n        }\n        return Object.keys(this.controls).length > 0 || this.disabled;\n    };\n    /** @internal */\n    FormGroup.prototype._checkAllValuesPresent = function (value) {\n        this._forEachChild(function (control, name) {\n            if (value[name] === undefined) {\n                throw new Error(\"Must supply a value for form control with name: '\" + name + \"'.\");\n            }\n        });\n    };\n    return FormGroup;\n}(AbstractControl));\n/**\n * Tracks the value and validity state of an array of `FormControl`,\n * `FormGroup` or `FormArray` instances.\n *\n * A `FormArray` aggregates the values of each child `FormControl` into an array.\n * It calculates its status by reducing the status values of its children. For example, if one of\n * the controls in a `FormArray` is invalid, the entire array becomes invalid.\n *\n * `FormArray` is one of the three fundamental building blocks used to define forms in Angular,\n * along with `FormControl` and `FormGroup`.\n *\n * @usageNotes\n *\n * ### Create an array of form controls\n *\n * ```\n * const arr = new FormArray([\n *   new FormControl('Nancy', Validators.minLength(2)),\n *   new FormControl('Drew'),\n * ]);\n *\n * console.log(arr.value);   // ['Nancy', 'Drew']\n * console.log(arr.status);  // 'VALID'\n * ```\n *\n * ### Create a form array with array-level validators\n *\n * You include array-level validators and async validators. These come in handy\n * when you want to perform validation that considers the value of more than one child\n * control.\n *\n * The two types of validators are passed in separately as the second and third arg\n * respectively, or together as part of an options object.\n *\n * ```\n * const arr = new FormArray([\n *   new FormControl('Nancy'),\n *   new FormControl('Drew')\n * ], {validators: myValidator, asyncValidators: myAsyncValidator});\n * ```\n *\n  * ### Set the updateOn property for all controls in a form array\n *\n * The options object is used to set a default value for each child\n * control's `updateOn` property. If you set `updateOn` to `'blur'` at the\n * array level, all child controls default to 'blur', unless the child\n * has explicitly specified a different `updateOn` value.\n *\n * ```ts\n * const arr = new FormArray([\n *    new FormControl()\n * ], {updateOn: 'blur'});\n * ```\n *\n * ### Adding or removing controls from a form array\n *\n * To change the controls in the array, use the `push`, `insert`, `removeAt` or `clear` methods\n * in `FormArray` itself. These methods ensure the controls are properly tracked in the\n * form's hierarchy. Do not modify the array of `AbstractControl`s used to instantiate\n * the `FormArray` directly, as that result in strange and unexpected behavior such\n * as broken change detection.\n *\n * @publicApi\n */\nvar FormArray = /** @class */ (function (_super) {\n    __extends(FormArray, _super);\n    /**\n    * Creates a new `FormArray` instance.\n    *\n    * @param controls An array of child controls. Each child control is given an index\n    * where it is registered.\n    *\n    * @param validatorOrOpts A synchronous validator function, or an array of\n    * such functions, or an `AbstractControlOptions` object that contains validation functions\n    * and a validation trigger.\n    *\n    * @param asyncValidator A single async validator or array of async validator functions\n    *\n    */\n    function FormArray(controls, validatorOrOpts, asyncValidator) {\n        var _this = _super.call(this, coerceToValidator(validatorOrOpts), coerceToAsyncValidator(asyncValidator, validatorOrOpts)) || this;\n        _this.controls = controls;\n        _this._initObservables();\n        _this._setUpdateStrategy(validatorOrOpts);\n        _this._setUpControls();\n        _this.updateValueAndValidity({ onlySelf: true, emitEvent: false });\n        return _this;\n    }\n    /**\n     * Get the `AbstractControl` at the given `index` in the array.\n     *\n     * @param index Index in the array to retrieve the control\n     */\n    FormArray.prototype.at = function (index) { return this.controls[index]; };\n    /**\n     * Insert a new `AbstractControl` at the end of the array.\n     *\n     * @param control Form control to be inserted\n     */\n    FormArray.prototype.push = function (control) {\n        this.controls.push(control);\n        this._registerControl(control);\n        this.updateValueAndValidity();\n        this._onCollectionChange();\n    };\n    /**\n     * Insert a new `AbstractControl` at the given `index` in the array.\n     *\n     * @param index Index in the array to insert the control\n     * @param control Form control to be inserted\n     */\n    FormArray.prototype.insert = function (index, control) {\n        this.controls.splice(index, 0, control);\n        this._registerControl(control);\n        this.updateValueAndValidity();\n    };\n    /**\n     * Remove the control at the given `index` in the array.\n     *\n     * @param index Index in the array to remove the control\n     */\n    FormArray.prototype.removeAt = function (index) {\n        if (this.controls[index])\n            this.controls[index]._registerOnCollectionChange(function () { });\n        this.controls.splice(index, 1);\n        this.updateValueAndValidity();\n    };\n    /**\n     * Replace an existing control.\n     *\n     * @param index Index in the array to replace the control\n     * @param control The `AbstractControl` control to replace the existing control\n     */\n    FormArray.prototype.setControl = function (index, control) {\n        if (this.controls[index])\n            this.controls[index]._registerOnCollectionChange(function () { });\n        this.controls.splice(index, 1);\n        if (control) {\n            this.controls.splice(index, 0, control);\n            this._registerControl(control);\n        }\n        this.updateValueAndValidity();\n        this._onCollectionChange();\n    };\n    Object.defineProperty(FormArray.prototype, \"length\", {\n        /**\n         * Length of the control array.\n         */\n        get: function () { return this.controls.length; },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Sets the value of the `FormArray`. It accepts an array that matches\n     * the structure of the control.\n     *\n     * This method performs strict checks, and throws an error if you try\n     * to set the value of a control that doesn't exist or if you exclude the\n     * value of a control.\n     *\n     * @usageNotes\n     * ### Set the values for the controls in the form array\n     *\n     * ```\n     * const arr = new FormArray([\n     *   new FormControl(),\n     *   new FormControl()\n     * ]);\n     * console.log(arr.value);   // [null, null]\n     *\n     * arr.setValue(['Nancy', 'Drew']);\n     * console.log(arr.value);   // ['Nancy', 'Drew']\n     * ```\n     *\n     * @param value Array of values for the controls\n     * @param options Configure options that determine how the control propagates changes and\n     * emits events after the value changes\n     *\n     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default\n     * is false.\n     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and\n     * `valueChanges`\n     * observables emit events with the latest status and value when the control value is updated.\n     * When false, no events are emitted.\n     * The configuration options are passed to the {@link AbstractControl#updateValueAndValidity\n     * updateValueAndValidity} method.\n     */\n    FormArray.prototype.setValue = function (value, options) {\n        var _this = this;\n        if (options === void 0) { options = {}; }\n        this._checkAllValuesPresent(value);\n        value.forEach(function (newValue, index) {\n            _this._throwIfControlMissing(index);\n            _this.at(index).setValue(newValue, { onlySelf: true, emitEvent: options.emitEvent });\n        });\n        this.updateValueAndValidity(options);\n    };\n    /**\n     * Patches the value of the `FormArray`. It accepts an array that matches the\n     * structure of the control, and does its best to match the values to the correct\n     * controls in the group.\n     *\n     * It accepts both super-sets and sub-sets of the array without throwing an error.\n     *\n     * @usageNotes\n     * ### Patch the values for controls in a form array\n     *\n     * ```\n     * const arr = new FormArray([\n     *    new FormControl(),\n     *    new FormControl()\n     * ]);\n     * console.log(arr.value);   // [null, null]\n     *\n     * arr.patchValue(['Nancy']);\n     * console.log(arr.value);   // ['Nancy', null]\n     * ```\n     *\n     * @param value Array of latest values for the controls\n     * @param options Configure options that determine how the control propagates changes and\n     * emits events after the value changes\n     *\n     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default\n     * is false.\n     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and\n     * `valueChanges`\n     * observables emit events with the latest status and value when the control value is updated.\n     * When false, no events are emitted.\n     * The configuration options are passed to the {@link AbstractControl#updateValueAndValidity\n     * updateValueAndValidity} method.\n     */\n    FormArray.prototype.patchValue = function (value, options) {\n        var _this = this;\n        if (options === void 0) { options = {}; }\n        value.forEach(function (newValue, index) {\n            if (_this.at(index)) {\n                _this.at(index).patchValue(newValue, { onlySelf: true, emitEvent: options.emitEvent });\n            }\n        });\n        this.updateValueAndValidity(options);\n    };\n    /**\n     * Resets the `FormArray` and all descendants are marked `pristine` and `untouched`, and the\n     * value of all descendants to null or null maps.\n     *\n     * You reset to a specific form state by passing in an array of states\n     * that matches the structure of the control. The state is a standalone value\n     * or a form state object with both a value and a disabled status.\n     *\n     * @usageNotes\n     * ### Reset the values in a form array\n     *\n     * ```ts\n     * const arr = new FormArray([\n     *    new FormControl(),\n     *    new FormControl()\n     * ]);\n     * arr.reset(['name', 'last name']);\n     *\n     * console.log(this.arr.value);  // ['name', 'last name']\n     * ```\n     *\n     * ### Reset the values in a form array and the disabled status for the first control\n     *\n     * ```\n     * this.arr.reset([\n     *   {value: 'name', disabled: true},\n     *   'last'\n     * ]);\n     *\n     * console.log(this.arr.value);  // ['name', 'last name']\n     * console.log(this.arr.get(0).status);  // 'DISABLED'\n     * ```\n     *\n     * @param value Array of values for the controls\n     * @param options Configure options that determine how the control propagates changes and\n     * emits events after the value changes\n     *\n     * * `onlySelf`: When true, each change only affects this control, and not its parent. Default\n     * is false.\n     * * `emitEvent`: When true or not supplied (the default), both the `statusChanges` and\n     * `valueChanges`\n     * observables emit events with the latest status and value when the control is reset.\n     * When false, no events are emitted.\n     * The configuration options are passed to the {@link AbstractControl#updateValueAndValidity\n     * updateValueAndValidity} method.\n     */\n    FormArray.prototype.reset = function (value, options) {\n        if (value === void 0) { value = []; }\n        if (options === void 0) { options = {}; }\n        this._forEachChild(function (control, index) {\n            control.reset(value[index], { onlySelf: true, emitEvent: options.emitEvent });\n        });\n        this._updatePristine(options);\n        this._updateTouched(options);\n        this.updateValueAndValidity(options);\n    };\n    /**\n     * The aggregate value of the array, including any disabled controls.\n     *\n     * Reports all values regardless of disabled status.\n     * For enabled controls only, the `value` property is the best way to get the value of the array.\n     */\n    FormArray.prototype.getRawValue = function () {\n        return this.controls.map(function (control) {\n            return control instanceof FormControl ? control.value : control.getRawValue();\n        });\n    };\n    /**\n     * Remove all controls in the `FormArray`.\n     *\n     * @usageNotes\n     * ### Remove all elements from a FormArray\n     *\n     * ```ts\n     * const arr = new FormArray([\n     *    new FormControl(),\n     *    new FormControl()\n     * ]);\n     * console.log(arr.length);  // 2\n     *\n     * arr.clear();\n     * console.log(arr.length);  // 0\n     * ```\n     *\n     * It's a simpler and more efficient alternative to removing all elements one by one:\n     *\n     * ```ts\n     * const arr = new FormArray([\n     *    new FormControl(),\n     *    new FormControl()\n     * ]);\n     *\n     * while (arr.length) {\n     *    arr.removeAt(0);\n     * }\n     * ```\n     */\n    FormArray.prototype.clear = function () {\n        if (this.controls.length < 1)\n            return;\n        this._forEachChild(function (control) { return control._registerOnCollectionChange(function () { }); });\n        this.controls.splice(0);\n        this.updateValueAndValidity();\n    };\n    /** @internal */\n    FormArray.prototype._syncPendingControls = function () {\n        var subtreeUpdated = this.controls.reduce(function (updated, child) {\n            return child._syncPendingControls() ? true : updated;\n        }, false);\n        if (subtreeUpdated)\n            this.updateValueAndValidity({ onlySelf: true });\n        return subtreeUpdated;\n    };\n    /** @internal */\n    FormArray.prototype._throwIfControlMissing = function (index) {\n        if (!this.controls.length) {\n            throw new Error(\"\\n        There are no form controls registered with this array yet.  If you're using ngModel,\\n        you may want to check next tick (e.g. use setTimeout).\\n      \");\n        }\n        if (!this.at(index)) {\n            throw new Error(\"Cannot find form control at index \" + index);\n        }\n    };\n    /** @internal */\n    FormArray.prototype._forEachChild = function (cb) {\n        this.controls.forEach(function (control, index) { cb(control, index); });\n    };\n    /** @internal */\n    FormArray.prototype._updateValue = function () {\n        var _this = this;\n        this.value =\n            this.controls.filter(function (control) { return control.enabled || _this.disabled; })\n                .map(function (control) { return control.value; });\n    };\n    /** @internal */\n    FormArray.prototype._anyControls = function (condition) {\n        return this.controls.some(function (control) { return control.enabled && condition(control); });\n    };\n    /** @internal */\n    FormArray.prototype._setUpControls = function () {\n        var _this = this;\n        this._forEachChild(function (control) { return _this._registerControl(control); });\n    };\n    /** @internal */\n    FormArray.prototype._checkAllValuesPresent = function (value) {\n        this._forEachChild(function (control, i) {\n            if (value[i] === undefined) {\n                throw new Error(\"Must supply a value for form control at index: \" + i + \".\");\n            }\n        });\n    };\n    /** @internal */\n    FormArray.prototype._allControlsDisabled = function () {\n        var e_2, _a;\n        try {\n            for (var _b = __values(this.controls), _c = _b.next(); !_c.done; _c = _b.next()) {\n                var control = _c.value;\n                if (control.enabled)\n                    return false;\n            }\n        }\n        catch (e_2_1) { e_2 = { error: e_2_1 }; }\n        finally {\n            try {\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\n            }\n            finally { if (e_2) throw e_2.error; }\n        }\n        return this.controls.length > 0 || this.disabled;\n    };\n    FormArray.prototype._registerControl = function (control) {\n        control.setParent(this);\n        control._registerOnCollectionChange(this._onCollectionChange);\n    };\n    return FormArray;\n}(AbstractControl));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar formDirectiveProvider = {\n    provide: ControlContainer,\n    useExisting: forwardRef(function () { return NgForm; })\n};\nvar ɵ0 = function () { return Promise.resolve(null); };\nvar resolvedPromise = (ɵ0)();\n/**\n * @description\n * Creates a top-level `FormGroup` instance and binds it to a form\n * to track aggregate form value and validation status.\n *\n * As soon as you import the `FormsModule`, this directive becomes active by default on\n * all `<form>` tags.  You don't need to add a special selector.\n *\n * You optionally export the directive into a local template variable using `ngForm` as the key\n * (ex: `#myForm=\"ngForm\"`). This is optional, but useful.  Many properties from the underlying\n * `FormGroup` instance are duplicated on the directive itself, so a reference to it\n * gives you access to the aggregate value and validity status of the form, as well as\n * user interaction properties like `dirty` and `touched`.\n *\n * To register child controls with the form, use `NgModel` with a `name`\n * attribute. You may use `NgModelGroup` to create sub-groups within the form.\n *\n * If necessary, listen to the directive's `ngSubmit` event to be notified when the user has\n * triggered a form submission. The `ngSubmit` event emits the original form\n * submission event.\n *\n * In template driven forms, all `<form>` tags are automatically tagged as `NgForm`.\n * To import the `FormsModule` but skip its usage in some forms,\n * for example, to use native HTML5 validation, add the `ngNoForm` and the `<form>`\n * tags won't create an `NgForm` directive. In reactive forms, using `ngNoForm` is\n * unnecessary because the `<form>` tags are inert. In that case, you would\n * refrain from using the `formGroup` directive.\n *\n * @usageNotes\n *\n * ### Migrating from deprecated ngForm selector\n *\n * Support for using `ngForm` element selector has been deprecated in Angular v6 and will be removed\n * in Angular v9.\n *\n * This has been deprecated to keep selectors consistent with other core Angular selectors,\n * as element selectors are typically written in kebab-case.\n *\n * Now deprecated:\n * ```html\n * <ngForm #myForm=\"ngForm\">\n * ```\n *\n * After:\n * ```html\n * <ng-form #myForm=\"ngForm\">\n * ```\n *\n * ### Listening for form submission\n *\n * The following example shows how to capture the form values from the \"ngSubmit\" event.\n *\n * {@example forms/ts/simpleForm/simple_form_example.ts region='Component'}\n *\n * ### Setting the update options\n *\n * The following example shows you how to change the \"updateOn\" option from its default using\n * ngFormOptions.\n *\n * ```html\n * <form [ngFormOptions]=\"{updateOn: 'blur'}\">\n *    <input name=\"one\" ngModel>  <!-- this ngModel will update on blur -->\n * </form>\n * ```\n *\n * @ngModule FormsModule\n * @publicApi\n */\nvar NgForm = /** @class */ (function (_super) {\n    __extends(NgForm, _super);\n    function NgForm(validators, asyncValidators) {\n        var _this = _super.call(this) || this;\n        /**\n         * @description\n         * Returns whether the form submission has been triggered.\n         */\n        _this.submitted = false;\n        _this._directives = [];\n        /**\n         * @description\n         * Event emitter for the \"ngSubmit\" event\n         */\n        _this.ngSubmit = new EventEmitter();\n        _this.form =\n            new FormGroup({}, composeValidators(validators), composeAsyncValidators(asyncValidators));\n        return _this;\n    }\n    /**\n     * @description\n     * Lifecycle method called after the view is initialized. For internal use only.\n     */\n    NgForm.prototype.ngAfterViewInit = function () { this._setUpdateStrategy(); };\n    Object.defineProperty(NgForm.prototype, \"formDirective\", {\n        /**\n         * @description\n         * The directive instance.\n         */\n        get: function () { return this; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgForm.prototype, \"control\", {\n        /**\n         * @description\n         * The internal `FormGroup` instance.\n         */\n        get: function () { return this.form; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgForm.prototype, \"path\", {\n        /**\n         * @description\n         * Returns an array representing the path to this group. Because this directive\n         * always lives at the top level of a form, it is always an empty array.\n         */\n        get: function () { return []; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgForm.prototype, \"controls\", {\n        /**\n         * @description\n         * Returns a map of the controls in this group.\n         */\n        get: function () { return this.form.controls; },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * @description\n     * Method that sets up the control directive in this group, re-calculates its value\n     * and validity, and adds the instance to the internal list of directives.\n     *\n     * @param dir The `NgModel` directive instance.\n     */\n    NgForm.prototype.addControl = function (dir) {\n        var _this = this;\n        resolvedPromise.then(function () {\n            var container = _this._findContainer(dir.path);\n            dir.control =\n                container.registerControl(dir.name, dir.control);\n            setUpControl(dir.control, dir);\n            dir.control.updateValueAndValidity({ emitEvent: false });\n            _this._directives.push(dir);\n        });\n    };\n    /**\n     * @description\n     * Retrieves the `FormControl` instance from the provided `NgModel` directive.\n     *\n     * @param dir The `NgModel` directive instance.\n     */\n    NgForm.prototype.getControl = function (dir) { return this.form.get(dir.path); };\n    /**\n     * @description\n     * Removes the `NgModel` instance from the internal list of directives\n     *\n     * @param dir The `NgModel` directive instance.\n     */\n    NgForm.prototype.removeControl = function (dir) {\n        var _this = this;\n        resolvedPromise.then(function () {\n            var container = _this._findContainer(dir.path);\n            if (container) {\n                container.removeControl(dir.name);\n            }\n            removeDir(_this._directives, dir);\n        });\n    };\n    /**\n     * @description\n     * Adds a new `NgModelGroup` directive instance to the form.\n     *\n     * @param dir The `NgModelGroup` directive instance.\n     */\n    NgForm.prototype.addFormGroup = function (dir) {\n        var _this = this;\n        resolvedPromise.then(function () {\n            var container = _this._findContainer(dir.path);\n            var group = new FormGroup({});\n            setUpFormContainer(group, dir);\n            container.registerControl(dir.name, group);\n            group.updateValueAndValidity({ emitEvent: false });\n        });\n    };\n    /**\n     * @description\n     * Removes the `NgModelGroup` directive instance from the form.\n     *\n     * @param dir The `NgModelGroup` directive instance.\n     */\n    NgForm.prototype.removeFormGroup = function (dir) {\n        var _this = this;\n        resolvedPromise.then(function () {\n            var container = _this._findContainer(dir.path);\n            if (container) {\n                container.removeControl(dir.name);\n            }\n        });\n    };\n    /**\n     * @description\n     * Retrieves the `FormGroup` for a provided `NgModelGroup` directive instance\n     *\n     * @param dir The `NgModelGroup` directive instance.\n     */\n    NgForm.prototype.getFormGroup = function (dir) { return this.form.get(dir.path); };\n    /**\n     * Sets the new value for the provided `NgControl` directive.\n     *\n     * @param dir The `NgControl` directive instance.\n     * @param value The new value for the directive's control.\n     */\n    NgForm.prototype.updateModel = function (dir, value) {\n        var _this = this;\n        resolvedPromise.then(function () {\n            var ctrl = _this.form.get(dir.path);\n            ctrl.setValue(value);\n        });\n    };\n    /**\n     * @description\n     * Sets the value for this `FormGroup`.\n     *\n     * @param value The new value\n     */\n    NgForm.prototype.setValue = function (value) { this.control.setValue(value); };\n    /**\n     * @description\n     * Method called when the \"submit\" event is triggered on the form.\n     * Triggers the `ngSubmit` emitter to emit the \"submit\" event as its payload.\n     *\n     * @param $event The \"submit\" event object\n     */\n    NgForm.prototype.onSubmit = function ($event) {\n        this.submitted = true;\n        syncPendingControls(this.form, this._directives);\n        this.ngSubmit.emit($event);\n        return false;\n    };\n    /**\n     * @description\n     * Method called when the \"reset\" event is triggered on the form.\n     */\n    NgForm.prototype.onReset = function () { this.resetForm(); };\n    /**\n     * @description\n     * Resets the form to an initial value and resets its submitted status.\n     *\n     * @param value The new value for the form.\n     */\n    NgForm.prototype.resetForm = function (value) {\n        if (value === void 0) { value = undefined; }\n        this.form.reset(value);\n        this.submitted = false;\n    };\n    NgForm.prototype._setUpdateStrategy = function () {\n        if (this.options && this.options.updateOn != null) {\n            this.form._updateOn = this.options.updateOn;\n        }\n    };\n    /** @internal */\n    NgForm.prototype._findContainer = function (path) {\n        path.pop();\n        return path.length ? this.form.get(path) : this.form;\n    };\n    __decorate([\n        Input('ngFormOptions'),\n        __metadata(\"design:type\", Object)\n    ], NgForm.prototype, \"options\", void 0);\n    NgForm = __decorate([\n        Directive({\n            selector: 'form:not([ngNoForm]):not([formGroup]),ng-form,[ngForm]',\n            providers: [formDirectiveProvider],\n            host: { '(submit)': 'onSubmit($event)', '(reset)': 'onReset()' },\n            outputs: ['ngSubmit'],\n            exportAs: 'ngForm'\n        }),\n        __param(0, Optional()), __param(0, Self()), __param(0, Inject(NG_VALIDATORS)),\n        __param(1, Optional()), __param(1, Self()), __param(1, Inject(NG_ASYNC_VALIDATORS)),\n        __metadata(\"design:paramtypes\", [Array, Array])\n    ], NgForm);\n    return NgForm;\n}(ControlContainer));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @description\n * A base class for code shared between the `NgModelGroup` and `FormGroupName` directives.\n *\n * @publicApi\n */\nvar AbstractFormGroupDirective = /** @class */ (function (_super) {\n    __extends(AbstractFormGroupDirective, _super);\n    function AbstractFormGroupDirective() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    /**\n     * @description\n     * An internal callback method triggered on the instance after the inputs are set.\n     * Registers the group with its parent group.\n     */\n    AbstractFormGroupDirective.prototype.ngOnInit = function () {\n        this._checkParentType();\n        this.formDirective.addFormGroup(this);\n    };\n    /**\n     * @description\n     * An internal callback method triggered before the instance is destroyed.\n     * Removes the group from its parent group.\n     */\n    AbstractFormGroupDirective.prototype.ngOnDestroy = function () {\n        if (this.formDirective) {\n            this.formDirective.removeFormGroup(this);\n        }\n    };\n    Object.defineProperty(AbstractFormGroupDirective.prototype, \"control\", {\n        /**\n         * @description\n         * The `FormGroup` bound to this directive.\n         */\n        get: function () { return this.formDirective.getFormGroup(this); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractFormGroupDirective.prototype, \"path\", {\n        /**\n         * @description\n         * The path to this group from the top-level directive.\n         */\n        get: function () {\n            return controlPath(this.name == null ? this.name : this.name.toString(), this._parent);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractFormGroupDirective.prototype, \"formDirective\", {\n        /**\n         * @description\n         * The top-level directive for this group if present, otherwise null.\n         */\n        get: function () { return this._parent ? this._parent.formDirective : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractFormGroupDirective.prototype, \"validator\", {\n        /**\n         * @description\n         * The synchronous validators registered with this group.\n         */\n        get: function () { return composeValidators(this._validators); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(AbstractFormGroupDirective.prototype, \"asyncValidator\", {\n        /**\n         * @description\n         * The async validators registered with this group.\n         */\n        get: function () {\n            return composeAsyncValidators(this._asyncValidators);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** @internal */\n    AbstractFormGroupDirective.prototype._checkParentType = function () { };\n    return AbstractFormGroupDirective;\n}(ControlContainer));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar TemplateDrivenErrors = /** @class */ (function () {\n    function TemplateDrivenErrors() {\n    }\n    TemplateDrivenErrors.modelParentException = function () {\n        throw new Error(\"\\n      ngModel cannot be used to register form controls with a parent formGroup directive.  Try using\\n      formGroup's partner directive \\\"formControlName\\\" instead.  Example:\\n\\n      \" + FormErrorExamples.formControlName + \"\\n\\n      Or, if you'd like to avoid registering this form control, indicate that it's standalone in ngModelOptions:\\n\\n      Example:\\n\\n      \" + FormErrorExamples.ngModelWithFormGroup);\n    };\n    TemplateDrivenErrors.formGroupNameException = function () {\n        throw new Error(\"\\n      ngModel cannot be used to register form controls with a parent formGroupName or formArrayName directive.\\n\\n      Option 1: Use formControlName instead of ngModel (reactive strategy):\\n\\n      \" + FormErrorExamples.formGroupName + \"\\n\\n      Option 2:  Update ngModel's parent be ngModelGroup (template-driven strategy):\\n\\n      \" + FormErrorExamples.ngModelGroup);\n    };\n    TemplateDrivenErrors.missingNameException = function () {\n        throw new Error(\"If ngModel is used within a form tag, either the name attribute must be set or the form\\n      control must be defined as 'standalone' in ngModelOptions.\\n\\n      Example 1: <input [(ngModel)]=\\\"person.firstName\\\" name=\\\"first\\\">\\n      Example 2: <input [(ngModel)]=\\\"person.firstName\\\" [ngModelOptions]=\\\"{standalone: true}\\\">\");\n    };\n    TemplateDrivenErrors.modelGroupParentException = function () {\n        throw new Error(\"\\n      ngModelGroup cannot be used with a parent formGroup directive.\\n\\n      Option 1: Use formGroupName instead of ngModelGroup (reactive strategy):\\n\\n      \" + FormErrorExamples.formGroupName + \"\\n\\n      Option 2:  Use a regular form tag instead of the formGroup directive (template-driven strategy):\\n\\n      \" + FormErrorExamples.ngModelGroup);\n    };\n    return TemplateDrivenErrors;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar modelGroupProvider = {\n    provide: ControlContainer,\n    useExisting: forwardRef(function () { return NgModelGroup; })\n};\n/**\n * @description\n * Creates and binds a `FormGroup` instance to a DOM element.\n *\n * This directive can only be used as a child of `NgForm` (within `<form>` tags).\n *\n * Use this directive to validate a sub-group of your form separately from the\n * rest of your form, or if some values in your domain model make more sense\n * to consume together in a nested object.\n *\n * Provide a name for the sub-group and it will become the key\n * for the sub-group in the form's full value. If you need direct access, export the directive into\n * a local template variable using `ngModelGroup` (ex: `#myGroup=\"ngModelGroup\"`).\n *\n * @usageNotes\n *\n * ### Consuming controls in a grouping\n *\n * The following example shows you how to combine controls together in a sub-group\n * of the form.\n *\n * {@example forms/ts/ngModelGroup/ng_model_group_example.ts region='Component'}\n *\n * @ngModule FormsModule\n * @publicApi\n */\nvar NgModelGroup = /** @class */ (function (_super) {\n    __extends(NgModelGroup, _super);\n    function NgModelGroup(parent, validators, asyncValidators) {\n        var _this = _super.call(this) || this;\n        _this._parent = parent;\n        _this._validators = validators;\n        _this._asyncValidators = asyncValidators;\n        return _this;\n    }\n    NgModelGroup_1 = NgModelGroup;\n    /** @internal */\n    NgModelGroup.prototype._checkParentType = function () {\n        if (!(this._parent instanceof NgModelGroup_1) && !(this._parent instanceof NgForm)) {\n            TemplateDrivenErrors.modelGroupParentException();\n        }\n    };\n    var NgModelGroup_1;\n    __decorate([\n        Input('ngModelGroup'),\n        __metadata(\"design:type\", String)\n    ], NgModelGroup.prototype, \"name\", void 0);\n    NgModelGroup = NgModelGroup_1 = __decorate([\n        Directive({ selector: '[ngModelGroup]', providers: [modelGroupProvider], exportAs: 'ngModelGroup' }),\n        __param(0, Host()), __param(0, SkipSelf()),\n        __param(1, Optional()), __param(1, Self()), __param(1, Inject(NG_VALIDATORS)),\n        __param(2, Optional()), __param(2, Self()), __param(2, Inject(NG_ASYNC_VALIDATORS)),\n        __metadata(\"design:paramtypes\", [ControlContainer, Array, Array])\n    ], NgModelGroup);\n    return NgModelGroup;\n}(AbstractFormGroupDirective));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar formControlBinding = {\n    provide: NgControl,\n    useExisting: forwardRef(function () { return NgModel; })\n};\nvar ɵ0$1 = function () { return Promise.resolve(null); };\n/**\n * `ngModel` forces an additional change detection run when its inputs change:\n * E.g.:\n * ```\n * <div>{{myModel.valid}}</div>\n * <input [(ngModel)]=\"myValue\" #myModel=\"ngModel\">\n * ```\n * I.e. `ngModel` can export itself on the element and then be used in the template.\n * Normally, this would result in expressions before the `input` that use the exported directive\n * to have and old value as they have been\n * dirty checked before. As this is a very common case for `ngModel`, we added this second change\n * detection run.\n *\n * Notes:\n * - this is just one extra run no matter how many `ngModel` have been changed.\n * - this is a general problem when using `exportAs` for directives!\n */\nvar resolvedPromise$1 = (ɵ0$1)();\n/**\n * @description\n * Creates a `FormControl` instance from a domain model and binds it\n * to a form control element.\n *\n * The `FormControl` instance tracks the value, user interaction, and\n * validation status of the control and keeps the view synced with the model. If used\n * within a parent form, the directive also registers itself with the form as a child\n * control.\n *\n * This directive is used by itself or as part of a larger form. Use the\n * `ngModel` selector to activate it.\n *\n * It accepts a domain model as an optional `Input`. If you have a one-way binding\n * to `ngModel` with `[]` syntax, changing the value of the domain model in the component\n * class sets the value in the view. If you have a two-way binding with `[()]` syntax\n * (also known as 'banana-box syntax'), the value in the UI always syncs back to\n * the domain model in your class.\n *\n * To inspect the properties of the associated `FormControl` (like validity state),\n * export the directive into a local template variable using `ngModel` as the key (ex: `#myVar=\"ngModel\"`).\n * You then access the control using the directive's `control` property,\n * but most properties used (like `valid` and `dirty`) fall through to the control anyway for direct access.\n * See a full list of properties directly available in `AbstractControlDirective`.\n *\n * @see `RadioControlValueAccessor`\n * @see `SelectControlValueAccessor`\n *\n * @usageNotes\n *\n * ### Using ngModel on a standalone control\n *\n * The following examples show a simple standalone control using `ngModel`:\n *\n * {@example forms/ts/simpleNgModel/simple_ng_model_example.ts region='Component'}\n *\n * When using the `ngModel` within `<form>` tags, you'll also need to supply a `name` attribute\n * so that the control can be registered with the parent form under that name.\n *\n * In the context of a parent form, it's often unnecessary to include one-way or two-way binding,\n * as the parent form syncs the value for you. You access its properties by exporting it into a\n * local template variable using `ngForm` such as (`#f=\"ngForm\"`). Use the variable where\n * needed on form submission.\n *\n * If you do need to populate initial values into your form, using a one-way binding for\n * `ngModel` tends to be sufficient as long as you use the exported form's value rather\n * than the domain model's value on submit.\n *\n * ### Using ngModel within a form\n *\n * The following example shows controls using `ngModel` within a form:\n *\n * {@example forms/ts/simpleForm/simple_form_example.ts region='Component'}\n *\n * ### Using a standalone ngModel within a group\n *\n * The following example shows you how to use a standalone ngModel control\n * within a form. This controls the display of the form, but doesn't contain form data.\n *\n * ```html\n * <form>\n *   <input name=\"login\" ngModel placeholder=\"Login\">\n *   <input type=\"checkbox\" ngModel [ngModelOptions]=\"{standalone: true}\"> Show more options?\n * </form>\n * <!-- form value: {login: ''} -->\n * ```\n *\n * ### Setting the ngModel name attribute through options\n *\n * The following example shows you an alternate way to set the name attribute. The name attribute is used\n * within a custom form component, and the name `@Input` property serves a different purpose.\n *\n * ```html\n * <form>\n *   <my-person-control name=\"Nancy\" ngModel [ngModelOptions]=\"{name: 'user'}\">\n *   </my-person-control>\n * </form>\n * <!-- form value: {user: ''} -->\n * ```\n *\n * @ngModule FormsModule\n * @publicApi\n */\nvar NgModel = /** @class */ (function (_super) {\n    __extends(NgModel, _super);\n    function NgModel(parent, validators, asyncValidators, valueAccessors) {\n        var _this = _super.call(this) || this;\n        _this.control = new FormControl();\n        /** @internal */\n        _this._registered = false;\n        /**\n         * @description\n         * Event emitter for producing the `ngModelChange` event after\n         * the view model updates.\n         */\n        _this.update = new EventEmitter();\n        _this._parent = parent;\n        _this._rawValidators = validators || [];\n        _this._rawAsyncValidators = asyncValidators || [];\n        _this.valueAccessor = selectValueAccessor(_this, valueAccessors);\n        return _this;\n    }\n    /**\n     * @description\n     * A lifecycle method called when the directive's inputs change. For internal use\n     * only.\n     *\n     * @param changes A object of key/value pairs for the set of changed inputs.\n     */\n    NgModel.prototype.ngOnChanges = function (changes) {\n        this._checkForErrors();\n        if (!this._registered)\n            this._setUpControl();\n        if ('isDisabled' in changes) {\n            this._updateDisabled(changes);\n        }\n        if (isPropertyUpdated(changes, this.viewModel)) {\n            this._updateValue(this.model);\n            this.viewModel = this.model;\n        }\n    };\n    /**\n     * @description\n     * Lifecycle method called before the directive's instance is destroyed. For internal\n     * use only.\n     */\n    NgModel.prototype.ngOnDestroy = function () { this.formDirective && this.formDirective.removeControl(this); };\n    Object.defineProperty(NgModel.prototype, \"path\", {\n        /**\n         * @description\n         * Returns an array that represents the path from the top-level form to this control.\n         * Each index is the string name of the control on that level.\n         */\n        get: function () {\n            return this._parent ? controlPath(this.name, this._parent) : [this.name];\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgModel.prototype, \"formDirective\", {\n        /**\n         * @description\n         * The top-level directive for this control if present, otherwise null.\n         */\n        get: function () { return this._parent ? this._parent.formDirective : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgModel.prototype, \"validator\", {\n        /**\n         * @description\n         * Synchronous validator function composed of all the synchronous validators\n         * registered with this directive.\n         */\n        get: function () { return composeValidators(this._rawValidators); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgModel.prototype, \"asyncValidator\", {\n        /**\n         * @description\n         * Async validator function composed of all the async validators registered with this\n         * directive.\n         */\n        get: function () {\n            return composeAsyncValidators(this._rawAsyncValidators);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * @description\n     * Sets the new value for the view model and emits an `ngModelChange` event.\n     *\n     * @param newValue The new value emitted by `ngModelChange`.\n     */\n    NgModel.prototype.viewToModelUpdate = function (newValue) {\n        this.viewModel = newValue;\n        this.update.emit(newValue);\n    };\n    NgModel.prototype._setUpControl = function () {\n        this._setUpdateStrategy();\n        this._isStandalone() ? this._setUpStandalone() :\n            this.formDirective.addControl(this);\n        this._registered = true;\n    };\n    NgModel.prototype._setUpdateStrategy = function () {\n        if (this.options && this.options.updateOn != null) {\n            this.control._updateOn = this.options.updateOn;\n        }\n    };\n    NgModel.prototype._isStandalone = function () {\n        return !this._parent || !!(this.options && this.options.standalone);\n    };\n    NgModel.prototype._setUpStandalone = function () {\n        setUpControl(this.control, this);\n        this.control.updateValueAndValidity({ emitEvent: false });\n    };\n    NgModel.prototype._checkForErrors = function () {\n        if (!this._isStandalone()) {\n            this._checkParentType();\n        }\n        this._checkName();\n    };\n    NgModel.prototype._checkParentType = function () {\n        if (!(this._parent instanceof NgModelGroup) &&\n            this._parent instanceof AbstractFormGroupDirective) {\n            TemplateDrivenErrors.formGroupNameException();\n        }\n        else if (!(this._parent instanceof NgModelGroup) && !(this._parent instanceof NgForm)) {\n            TemplateDrivenErrors.modelParentException();\n        }\n    };\n    NgModel.prototype._checkName = function () {\n        if (this.options && this.options.name)\n            this.name = this.options.name;\n        if (!this._isStandalone() && !this.name) {\n            TemplateDrivenErrors.missingNameException();\n        }\n    };\n    NgModel.prototype._updateValue = function (value) {\n        var _this = this;\n        resolvedPromise$1.then(function () { _this.control.setValue(value, { emitViewToModelChange: false }); });\n    };\n    NgModel.prototype._updateDisabled = function (changes) {\n        var _this = this;\n        var disabledValue = changes['isDisabled'].currentValue;\n        var isDisabled = disabledValue === '' || (disabledValue && disabledValue !== 'false');\n        resolvedPromise$1.then(function () {\n            if (isDisabled && !_this.control.disabled) {\n                _this.control.disable();\n            }\n            else if (!isDisabled && _this.control.disabled) {\n                _this.control.enable();\n            }\n        });\n    };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", String)\n    ], NgModel.prototype, \"name\", void 0);\n    __decorate([\n        Input('disabled'),\n        __metadata(\"design:type\", Boolean)\n    ], NgModel.prototype, \"isDisabled\", void 0);\n    __decorate([\n        Input('ngModel'),\n        __metadata(\"design:type\", Object)\n    ], NgModel.prototype, \"model\", void 0);\n    __decorate([\n        Input('ngModelOptions'),\n        __metadata(\"design:type\", Object)\n    ], NgModel.prototype, \"options\", void 0);\n    __decorate([\n        Output('ngModelChange'),\n        __metadata(\"design:type\", Object)\n    ], NgModel.prototype, \"update\", void 0);\n    NgModel = __decorate([\n        Directive({\n            selector: '[ngModel]:not([formControlName]):not([formControl])',\n            providers: [formControlBinding],\n            exportAs: 'ngModel'\n        }),\n        __param(0, Optional()), __param(0, Host()),\n        __param(1, Optional()), __param(1, Self()), __param(1, Inject(NG_VALIDATORS)),\n        __param(2, Optional()), __param(2, Self()), __param(2, Inject(NG_ASYNC_VALIDATORS)),\n        __param(3, Optional()), __param(3, Self()), __param(3, Inject(NG_VALUE_ACCESSOR)),\n        __metadata(\"design:paramtypes\", [ControlContainer,\n            Array,\n            Array, Array])\n    ], NgModel);\n    return NgModel;\n}(NgControl));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @description\n *\n * Adds `novalidate` attribute to all forms by default.\n *\n * `novalidate` is used to disable browser's native form validation.\n *\n * If you want to use native validation with Angular forms, just add `ngNativeValidate` attribute:\n *\n * ```\n * <form ngNativeValidate></form>\n * ```\n *\n * @publicApi\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n */\nvar ɵNgNoValidate = /** @class */ (function () {\n    function ɵNgNoValidate() {\n    }\n    ɵNgNoValidate = __decorate([\n        Directive({\n            selector: 'form:not([ngNoForm]):not([ngNativeValidate])',\n            host: { 'novalidate': '' },\n        })\n    ], ɵNgNoValidate);\n    return ɵNgNoValidate;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Token to provide to turn off the ngModel warning on formControl and formControlName.\n */\nvar NG_MODEL_WITH_FORM_CONTROL_WARNING = new InjectionToken('NgModelWithFormControlWarning');\nvar formControlBinding$1 = {\n    provide: NgControl,\n    useExisting: forwardRef(function () { return FormControlDirective; })\n};\n/**\n * @description\n * * Syncs a standalone `FormControl` instance to a form control element.\n *\n * @see [Reactive Forms Guide](guide/reactive-forms)\n * @see `FormControl`\n * @see `AbstractControl`\n *\n * @usageNotes\n *\n * ### Registering a single form control\n *\n * The following examples shows how to register a standalone control and set its value.\n *\n * {@example forms/ts/simpleFormControl/simple_form_control_example.ts region='Component'}\n *\n * ### Use with ngModel\n *\n * Support for using the `ngModel` input property and `ngModelChange` event with reactive\n * form directives has been deprecated in Angular v6 and will be removed in a future version\n * of Angular.\n *\n * Now deprecated:\n *\n * ```html\n * <input [formControl]=\"control\" [(ngModel)]=\"value\">\n * ```\n *\n * ```ts\n * this.value = 'some value';\n * ```\n *\n * This has been deprecated for a few reasons. First, developers have found this pattern\n * confusing. It seems like the actual `ngModel` directive is being used, but in fact it's\n * an input/output property named `ngModel` on the reactive form directive that simply\n * approximates (some of) its behavior. Specifically, it allows getting/setting the value\n * and intercepting value events. However, some of `ngModel`'s other features - like\n * delaying updates with`ngModelOptions` or exporting the directive - simply don't work,\n * which has understandably caused some confusion.\n *\n * In addition, this pattern mixes template-driven and reactive forms strategies, which\n * we generally don't recommend because it doesn't take advantage of the full benefits of\n * either strategy. Setting the value in the template violates the template-agnostic\n * principles behind reactive forms, whereas adding a `FormControl`/`FormGroup` layer in\n * the class removes the convenience of defining forms in the template.\n *\n * To update your code before support is removed, you'll want to decide whether to stick\n * with reactive form directives (and get/set values using reactive forms patterns) or\n * switch over to template-driven directives.\n *\n * After (choice 1 - use reactive forms):\n *\n * ```html\n * <input [formControl]=\"control\">\n * ```\n *\n * ```ts\n * this.control.setValue('some value');\n * ```\n *\n * After (choice 2 - use template-driven forms):\n *\n * ```html\n * <input [(ngModel)]=\"value\">\n * ```\n *\n * ```ts\n * this.value = 'some value';\n * ```\n *\n * By default, when you use this pattern, you will see a deprecation warning once in dev\n * mode. You can choose to silence this warning by providing a config for\n * `ReactiveFormsModule` at import time:\n *\n * ```ts\n * imports: [\n *   ReactiveFormsModule.withConfig({warnOnNgModelWithFormControl: 'never'});\n * ]\n * ```\n *\n * Alternatively, you can choose to surface a separate warning for each instance of this\n * pattern with a config value of `\"always\"`. This may help to track down where in the code\n * the pattern is being used as the code is being updated.\n *\n * @ngModule ReactiveFormsModule\n * @publicApi\n */\nvar FormControlDirective = /** @class */ (function (_super) {\n    __extends(FormControlDirective, _super);\n    function FormControlDirective(validators, asyncValidators, valueAccessors, _ngModelWarningConfig) {\n        var _this = _super.call(this) || this;\n        _this._ngModelWarningConfig = _ngModelWarningConfig;\n        /** @deprecated as of v6 */\n        _this.update = new EventEmitter();\n        /**\n         * @description\n         * Instance property used to track whether an ngModel warning has been sent out for this\n         * particular `FormControlDirective` instance. Used to support warning config of \"always\".\n         *\n         * @internal\n         */\n        _this._ngModelWarningSent = false;\n        _this._rawValidators = validators || [];\n        _this._rawAsyncValidators = asyncValidators || [];\n        _this.valueAccessor = selectValueAccessor(_this, valueAccessors);\n        return _this;\n    }\n    FormControlDirective_1 = FormControlDirective;\n    Object.defineProperty(FormControlDirective.prototype, \"isDisabled\", {\n        /**\n         * @description\n         * Triggers a warning that this input should not be used with reactive forms.\n         */\n        set: function (isDisabled) { ReactiveErrors.disabledAttrWarning(); },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * @description\n     * A lifecycle method called when the directive's inputs change. For internal use\n     * only.\n     *\n     * @param changes A object of key/value pairs for the set of changed inputs.\n     */\n    FormControlDirective.prototype.ngOnChanges = function (changes) {\n        if (this._isControlChanged(changes)) {\n            setUpControl(this.form, this);\n            if (this.control.disabled && this.valueAccessor.setDisabledState) {\n                this.valueAccessor.setDisabledState(true);\n            }\n            this.form.updateValueAndValidity({ emitEvent: false });\n        }\n        if (isPropertyUpdated(changes, this.viewModel)) {\n            _ngModelWarning('formControl', FormControlDirective_1, this, this._ngModelWarningConfig);\n            this.form.setValue(this.model);\n            this.viewModel = this.model;\n        }\n    };\n    Object.defineProperty(FormControlDirective.prototype, \"path\", {\n        /**\n         * @description\n         * Returns an array that represents the path from the top-level form to this control.\n         * Each index is the string name of the control on that level.\n         */\n        get: function () { return []; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(FormControlDirective.prototype, \"validator\", {\n        /**\n         * @description\n         * Synchronous validator function composed of all the synchronous validators\n         * registered with this directive.\n         */\n        get: function () { return composeValidators(this._rawValidators); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(FormControlDirective.prototype, \"asyncValidator\", {\n        /**\n         * @description\n         * Async validator function composed of all the async validators registered with this\n         * directive.\n         */\n        get: function () {\n            return composeAsyncValidators(this._rawAsyncValidators);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(FormControlDirective.prototype, \"control\", {\n        /**\n         * @description\n         * The `FormControl` bound to this directive.\n         */\n        get: function () { return this.form; },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * @description\n     * Sets the new value for the view model and emits an `ngModelChange` event.\n     *\n     * @param newValue The new value for the view model.\n     */\n    FormControlDirective.prototype.viewToModelUpdate = function (newValue) {\n        this.viewModel = newValue;\n        this.update.emit(newValue);\n    };\n    FormControlDirective.prototype._isControlChanged = function (changes) {\n        return changes.hasOwnProperty('form');\n    };\n    var FormControlDirective_1;\n    /**\n     * @description\n     * Static property used to track whether any ngModel warnings have been sent across\n     * all instances of FormControlDirective. Used to support warning config of \"once\".\n     *\n     * @internal\n     */\n    FormControlDirective._ngModelWarningSentOnce = false;\n    __decorate([\n        Input('formControl'),\n        __metadata(\"design:type\", FormControl)\n    ], FormControlDirective.prototype, \"form\", void 0);\n    __decorate([\n        Input('disabled'),\n        __metadata(\"design:type\", Boolean),\n        __metadata(\"design:paramtypes\", [Boolean])\n    ], FormControlDirective.prototype, \"isDisabled\", null);\n    __decorate([\n        Input('ngModel'),\n        __metadata(\"design:type\", Object)\n    ], FormControlDirective.prototype, \"model\", void 0);\n    __decorate([\n        Output('ngModelChange'),\n        __metadata(\"design:type\", Object)\n    ], FormControlDirective.prototype, \"update\", void 0);\n    FormControlDirective = FormControlDirective_1 = __decorate([\n        Directive({ selector: '[formControl]', providers: [formControlBinding$1], exportAs: 'ngForm' }),\n        __param(0, Optional()), __param(0, Self()), __param(0, Inject(NG_VALIDATORS)),\n        __param(1, Optional()), __param(1, Self()), __param(1, Inject(NG_ASYNC_VALIDATORS)),\n        __param(2, Optional()), __param(2, Self()), __param(2, Inject(NG_VALUE_ACCESSOR)),\n        __param(3, Optional()), __param(3, Inject(NG_MODEL_WITH_FORM_CONTROL_WARNING)),\n        __metadata(\"design:paramtypes\", [Array,\n            Array, Array, Object])\n    ], FormControlDirective);\n    return FormControlDirective;\n}(NgControl));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar formDirectiveProvider$1 = {\n    provide: ControlContainer,\n    useExisting: forwardRef(function () { return FormGroupDirective; })\n};\n/**\n * @description\n *\n * Binds an existing `FormGroup` to a DOM element.\n *\n * This directive accepts an existing `FormGroup` instance. It will then use this\n * `FormGroup` instance to match any child `FormControl`, `FormGroup`,\n * and `FormArray` instances to child `FormControlName`, `FormGroupName`,\n * and `FormArrayName` directives.\n *\n * @see [Reactive Forms Guide](guide/reactive-forms)\n * @see `AbstractControl`\n *\n * ### Register Form Group\n *\n * The following example registers a `FormGroup` with first name and last name controls,\n * and listens for the *ngSubmit* event when the button is clicked.\n *\n * {@example forms/ts/simpleFormGroup/simple_form_group_example.ts region='Component'}\n *\n * @ngModule ReactiveFormsModule\n * @publicApi\n */\nvar FormGroupDirective = /** @class */ (function (_super) {\n    __extends(FormGroupDirective, _super);\n    function FormGroupDirective(_validators, _asyncValidators) {\n        var _this = _super.call(this) || this;\n        _this._validators = _validators;\n        _this._asyncValidators = _asyncValidators;\n        /**\n         * @description\n         * Reports whether the form submission has been triggered.\n         */\n        _this.submitted = false;\n        /**\n         * @description\n         * Tracks the list of added `FormControlName` instances\n         */\n        _this.directives = [];\n        /**\n         * @description\n         * Tracks the `FormGroup` bound to this directive.\n         */\n        _this.form = null;\n        /**\n         * @description\n         * Emits an event when the form submission has been triggered.\n         */\n        _this.ngSubmit = new EventEmitter();\n        return _this;\n    }\n    /**\n     * @description\n     * A lifecycle method called when the directive's inputs change. For internal use only.\n     *\n     * @param changes A object of key/value pairs for the set of changed inputs.\n     */\n    FormGroupDirective.prototype.ngOnChanges = function (changes) {\n        this._checkFormPresent();\n        if (changes.hasOwnProperty('form')) {\n            this._updateValidators();\n            this._updateDomValue();\n            this._updateRegistrations();\n        }\n    };\n    Object.defineProperty(FormGroupDirective.prototype, \"formDirective\", {\n        /**\n         * @description\n         * Returns this directive's instance.\n         */\n        get: function () { return this; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(FormGroupDirective.prototype, \"control\", {\n        /**\n         * @description\n         * Returns the `FormGroup` bound to this directive.\n         */\n        get: function () { return this.form; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(FormGroupDirective.prototype, \"path\", {\n        /**\n         * @description\n         * Returns an array representing the path to this group. Because this directive\n         * always lives at the top level of a form, it always an empty array.\n         */\n        get: function () { return []; },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * @description\n     * Method that sets up the control directive in this group, re-calculates its value\n     * and validity, and adds the instance to the internal list of directives.\n     *\n     * @param dir The `FormControlName` directive instance.\n     */\n    FormGroupDirective.prototype.addControl = function (dir) {\n        var ctrl = this.form.get(dir.path);\n        setUpControl(ctrl, dir);\n        ctrl.updateValueAndValidity({ emitEvent: false });\n        this.directives.push(dir);\n        return ctrl;\n    };\n    /**\n     * @description\n     * Retrieves the `FormControl` instance from the provided `FormControlName` directive\n     *\n     * @param dir The `FormControlName` directive instance.\n     */\n    FormGroupDirective.prototype.getControl = function (dir) { return this.form.get(dir.path); };\n    /**\n     * @description\n     * Removes the `FormControlName` instance from the internal list of directives\n     *\n     * @param dir The `FormControlName` directive instance.\n     */\n    FormGroupDirective.prototype.removeControl = function (dir) { removeDir(this.directives, dir); };\n    /**\n     * Adds a new `FormGroupName` directive instance to the form.\n     *\n     * @param dir The `FormGroupName` directive instance.\n     */\n    FormGroupDirective.prototype.addFormGroup = function (dir) {\n        var ctrl = this.form.get(dir.path);\n        setUpFormContainer(ctrl, dir);\n        ctrl.updateValueAndValidity({ emitEvent: false });\n    };\n    /**\n     * No-op method to remove the form group.\n     *\n     * @param dir The `FormGroupName` directive instance.\n     */\n    FormGroupDirective.prototype.removeFormGroup = function (dir) { };\n    /**\n     * @description\n     * Retrieves the `FormGroup` for a provided `FormGroupName` directive instance\n     *\n     * @param dir The `FormGroupName` directive instance.\n     */\n    FormGroupDirective.prototype.getFormGroup = function (dir) { return this.form.get(dir.path); };\n    /**\n     * Adds a new `FormArrayName` directive instance to the form.\n     *\n     * @param dir The `FormArrayName` directive instance.\n     */\n    FormGroupDirective.prototype.addFormArray = function (dir) {\n        var ctrl = this.form.get(dir.path);\n        setUpFormContainer(ctrl, dir);\n        ctrl.updateValueAndValidity({ emitEvent: false });\n    };\n    /**\n     * No-op method to remove the form array.\n     *\n     * @param dir The `FormArrayName` directive instance.\n     */\n    FormGroupDirective.prototype.removeFormArray = function (dir) { };\n    /**\n     * @description\n     * Retrieves the `FormArray` for a provided `FormArrayName` directive instance.\n     *\n     * @param dir The `FormArrayName` directive instance.\n     */\n    FormGroupDirective.prototype.getFormArray = function (dir) { return this.form.get(dir.path); };\n    /**\n     * Sets the new value for the provided `FormControlName` directive.\n     *\n     * @param dir The `FormControlName` directive instance.\n     * @param value The new value for the directive's control.\n     */\n    FormGroupDirective.prototype.updateModel = function (dir, value) {\n        var ctrl = this.form.get(dir.path);\n        ctrl.setValue(value);\n    };\n    /**\n     * @description\n     * Method called with the \"submit\" event is triggered on the form.\n     * Triggers the `ngSubmit` emitter to emit the \"submit\" event as its payload.\n     *\n     * @param $event The \"submit\" event object\n     */\n    FormGroupDirective.prototype.onSubmit = function ($event) {\n        this.submitted = true;\n        syncPendingControls(this.form, this.directives);\n        this.ngSubmit.emit($event);\n        return false;\n    };\n    /**\n     * @description\n     * Method called when the \"reset\" event is triggered on the form.\n     */\n    FormGroupDirective.prototype.onReset = function () { this.resetForm(); };\n    /**\n     * @description\n     * Resets the form to an initial value and resets its submitted status.\n     *\n     * @param value The new value for the form.\n     */\n    FormGroupDirective.prototype.resetForm = function (value) {\n        if (value === void 0) { value = undefined; }\n        this.form.reset(value);\n        this.submitted = false;\n    };\n    /** @internal */\n    FormGroupDirective.prototype._updateDomValue = function () {\n        var _this = this;\n        this.directives.forEach(function (dir) {\n            var newCtrl = _this.form.get(dir.path);\n            if (dir.control !== newCtrl) {\n                cleanUpControl(dir.control, dir);\n                if (newCtrl)\n                    setUpControl(newCtrl, dir);\n                dir.control = newCtrl;\n            }\n        });\n        this.form._updateTreeValidity({ emitEvent: false });\n    };\n    FormGroupDirective.prototype._updateRegistrations = function () {\n        var _this = this;\n        this.form._registerOnCollectionChange(function () { return _this._updateDomValue(); });\n        if (this._oldForm)\n            this._oldForm._registerOnCollectionChange(function () { });\n        this._oldForm = this.form;\n    };\n    FormGroupDirective.prototype._updateValidators = function () {\n        var sync = composeValidators(this._validators);\n        this.form.validator = Validators.compose([this.form.validator, sync]);\n        var async = composeAsyncValidators(this._asyncValidators);\n        this.form.asyncValidator = Validators.composeAsync([this.form.asyncValidator, async]);\n    };\n    FormGroupDirective.prototype._checkFormPresent = function () {\n        if (!this.form) {\n            ReactiveErrors.missingFormException();\n        }\n    };\n    __decorate([\n        Input('formGroup'),\n        __metadata(\"design:type\", FormGroup)\n    ], FormGroupDirective.prototype, \"form\", void 0);\n    __decorate([\n        Output(),\n        __metadata(\"design:type\", Object)\n    ], FormGroupDirective.prototype, \"ngSubmit\", void 0);\n    FormGroupDirective = __decorate([\n        Directive({\n            selector: '[formGroup]',\n            providers: [formDirectiveProvider$1],\n            host: { '(submit)': 'onSubmit($event)', '(reset)': 'onReset()' },\n            exportAs: 'ngForm'\n        }),\n        __param(0, Optional()), __param(0, Self()), __param(0, Inject(NG_VALIDATORS)),\n        __param(1, Optional()), __param(1, Self()), __param(1, Inject(NG_ASYNC_VALIDATORS)),\n        __metadata(\"design:paramtypes\", [Array, Array])\n    ], FormGroupDirective);\n    return FormGroupDirective;\n}(ControlContainer));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar formGroupNameProvider = {\n    provide: ControlContainer,\n    useExisting: forwardRef(function () { return FormGroupName; })\n};\n/**\n * @description\n *\n * Syncs a nested `FormGroup` to a DOM element.\n *\n * This directive can only be used with a parent `FormGroupDirective`.\n *\n * It accepts the string name of the nested `FormGroup` to link, and\n * looks for a `FormGroup` registered with that name in the parent\n * `FormGroup` instance you passed into `FormGroupDirective`.\n *\n * Use nested form groups to validate a sub-group of a\n * form separately from the rest or to group the values of certain\n * controls into their own nested object.\n *\n * @see [Reactive Forms Guide](guide/reactive-forms)\n *\n * @usageNotes\n *\n * ### Access the group by name\n *\n * The following example uses the {@link AbstractControl#get get} method to access the\n * associated `FormGroup`\n *\n * ```ts\n *   this.form.get('name');\n * ```\n *\n * ### Access individual controls in the group\n *\n * The following example uses the {@link AbstractControl#get get} method to access\n * individual controls within the group using dot syntax.\n *\n * ```ts\n *   this.form.get('name.first');\n * ```\n *\n * ### Register a nested `FormGroup`.\n *\n * The following example registers a nested *name* `FormGroup` within an existing `FormGroup`,\n * and provides methods to retrieve the nested `FormGroup` and individual controls.\n *\n * {@example forms/ts/nestedFormGroup/nested_form_group_example.ts region='Component'}\n *\n * @ngModule ReactiveFormsModule\n * @publicApi\n */\nvar FormGroupName = /** @class */ (function (_super) {\n    __extends(FormGroupName, _super);\n    function FormGroupName(parent, validators, asyncValidators) {\n        var _this = _super.call(this) || this;\n        _this._parent = parent;\n        _this._validators = validators;\n        _this._asyncValidators = asyncValidators;\n        return _this;\n    }\n    /** @internal */\n    FormGroupName.prototype._checkParentType = function () {\n        if (_hasInvalidParent(this._parent)) {\n            ReactiveErrors.groupParentException();\n        }\n    };\n    __decorate([\n        Input('formGroupName'),\n        __metadata(\"design:type\", Object)\n    ], FormGroupName.prototype, \"name\", void 0);\n    FormGroupName = __decorate([\n        Directive({ selector: '[formGroupName]', providers: [formGroupNameProvider] }),\n        __param(0, Optional()), __param(0, Host()), __param(0, SkipSelf()),\n        __param(1, Optional()), __param(1, Self()), __param(1, Inject(NG_VALIDATORS)),\n        __param(2, Optional()), __param(2, Self()), __param(2, Inject(NG_ASYNC_VALIDATORS)),\n        __metadata(\"design:paramtypes\", [ControlContainer, Array, Array])\n    ], FormGroupName);\n    return FormGroupName;\n}(AbstractFormGroupDirective));\nvar formArrayNameProvider = {\n    provide: ControlContainer,\n    useExisting: forwardRef(function () { return FormArrayName; })\n};\n/**\n * @description\n *\n * Syncs a nested `FormArray` to a DOM element.\n *\n * This directive is designed to be used with a parent `FormGroupDirective` (selector:\n * `[formGroup]`).\n *\n * It accepts the string name of the nested `FormArray` you want to link, and\n * will look for a `FormArray` registered with that name in the parent\n * `FormGroup` instance you passed into `FormGroupDirective`.\n *\n * @see [Reactive Forms Guide](guide/reactive-forms)\n * @see `AbstractControl`\n *\n * @usageNotes\n *\n * ### Example\n *\n * {@example forms/ts/nestedFormArray/nested_form_array_example.ts region='Component'}\n *\n * @ngModule ReactiveFormsModule\n * @publicApi\n */\nvar FormArrayName = /** @class */ (function (_super) {\n    __extends(FormArrayName, _super);\n    function FormArrayName(parent, validators, asyncValidators) {\n        var _this = _super.call(this) || this;\n        _this._parent = parent;\n        _this._validators = validators;\n        _this._asyncValidators = asyncValidators;\n        return _this;\n    }\n    /**\n     * @description\n     * A lifecycle method called when the directive's inputs are initialized. For internal use only.\n     *\n     * @throws If the directive does not have a valid parent.\n     */\n    FormArrayName.prototype.ngOnInit = function () {\n        this._checkParentType();\n        this.formDirective.addFormArray(this);\n    };\n    /**\n     * @description\n     * A lifecycle method called before the directive's instance is destroyed. For internal use only.\n     */\n    FormArrayName.prototype.ngOnDestroy = function () {\n        if (this.formDirective) {\n            this.formDirective.removeFormArray(this);\n        }\n    };\n    Object.defineProperty(FormArrayName.prototype, \"control\", {\n        /**\n         * @description\n         * The `FormArray` bound to this directive.\n         */\n        get: function () { return this.formDirective.getFormArray(this); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(FormArrayName.prototype, \"formDirective\", {\n        /**\n         * @description\n         * The top-level directive for this group if present, otherwise null.\n         */\n        get: function () {\n            return this._parent ? this._parent.formDirective : null;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(FormArrayName.prototype, \"path\", {\n        /**\n         * @description\n         * Returns an array that represents the path from the top-level form to this control.\n         * Each index is the string name of the control on that level.\n         */\n        get: function () {\n            return controlPath(this.name == null ? this.name : this.name.toString(), this._parent);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(FormArrayName.prototype, \"validator\", {\n        /**\n         * @description\n         * Synchronous validator function composed of all the synchronous validators registered with this\n         * directive.\n         */\n        get: function () { return composeValidators(this._validators); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(FormArrayName.prototype, \"asyncValidator\", {\n        /**\n         * @description\n         * Async validator function composed of all the async validators registered with this directive.\n         */\n        get: function () {\n            return composeAsyncValidators(this._asyncValidators);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    FormArrayName.prototype._checkParentType = function () {\n        if (_hasInvalidParent(this._parent)) {\n            ReactiveErrors.arrayParentException();\n        }\n    };\n    __decorate([\n        Input('formArrayName'),\n        __metadata(\"design:type\", Object)\n    ], FormArrayName.prototype, \"name\", void 0);\n    FormArrayName = __decorate([\n        Directive({ selector: '[formArrayName]', providers: [formArrayNameProvider] }),\n        __param(0, Optional()), __param(0, Host()), __param(0, SkipSelf()),\n        __param(1, Optional()), __param(1, Self()), __param(1, Inject(NG_VALIDATORS)),\n        __param(2, Optional()), __param(2, Self()), __param(2, Inject(NG_ASYNC_VALIDATORS)),\n        __metadata(\"design:paramtypes\", [ControlContainer, Array, Array])\n    ], FormArrayName);\n    return FormArrayName;\n}(ControlContainer));\nfunction _hasInvalidParent(parent) {\n    return !(parent instanceof FormGroupName) && !(parent instanceof FormGroupDirective) &&\n        !(parent instanceof FormArrayName);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar controlNameBinding = {\n    provide: NgControl,\n    useExisting: forwardRef(function () { return FormControlName; })\n};\n/**\n * @description\n * Syncs a `FormControl` in an existing `FormGroup` to a form control\n * element by name.\n *\n * @see [Reactive Forms Guide](guide/reactive-forms)\n * @see `FormControl`\n * @see `AbstractControl`\n *\n * @usageNotes\n *\n * ### Register `FormControl` within a group\n *\n * The following example shows how to register multiple form controls within a form group\n * and set their value.\n *\n * {@example forms/ts/simpleFormGroup/simple_form_group_example.ts region='Component'}\n *\n * To see `formControlName` examples with different form control types, see:\n *\n * * Radio buttons: `RadioControlValueAccessor`\n * * Selects: `SelectControlValueAccessor`\n *\n * ### Use with ngModel\n *\n * Support for using the `ngModel` input property and `ngModelChange` event with reactive\n * form directives has been deprecated in Angular v6 and will be removed in a future\n * version of Angular.\n *\n * Now deprecated:\n *\n * ```html\n * <form [formGroup]=\"form\">\n *   <input formControlName=\"first\" [(ngModel)]=\"value\">\n * </form>\n * ```\n *\n * ```ts\n * this.value = 'some value';\n * ```\n *\n * This has been deprecated for a few reasons. First, developers have found this pattern\n * confusing. It seems like the actual `ngModel` directive is being used, but in fact it's\n * an input/output property named `ngModel` on the reactive form directive that simply\n * approximates (some of) its behavior. Specifically, it allows getting/setting the value\n * and intercepting value events. However, some of `ngModel`'s other features - like\n * delaying updates with `ngModelOptions` or exporting the directive - simply don't work,\n * which has understandably caused some confusion.\n *\n * In addition, this pattern mixes template-driven and reactive forms strategies, which\n * we generally don't recommend because it doesn't take advantage of the full benefits of\n * either strategy. Setting the value in the template violates the template-agnostic\n * principles behind reactive forms, whereas adding a `FormControl`/`FormGroup` layer in\n * the class removes the convenience of defining forms in the template.\n *\n * To update your code before support is removed, you'll want to decide whether to stick with\n * reactive form directives (and get/set values using reactive forms patterns) or switch over to\n * template-driven directives.\n *\n * After (choice 1 - use reactive forms):\n *\n * ```html\n * <form [formGroup]=\"form\">\n *   <input formControlName=\"first\">\n * </form>\n * ```\n *\n * ```ts\n * this.form.get('first').setValue('some value');\n * ```\n *\n * After (choice 2 - use template-driven forms):\n *\n * ```html\n * <input [(ngModel)]=\"value\">\n * ```\n *\n * ```ts\n * this.value = 'some value';\n * ```\n *\n * By default, when you use this pattern, you will see a deprecation warning once in dev\n * mode. You can choose to silence this warning by providing a config for\n * `ReactiveFormsModule` at import time:\n *\n * ```ts\n * imports: [\n *   ReactiveFormsModule.withConfig({warnOnNgModelWithFormControl: 'never'})\n * ]\n * ```\n *\n * Alternatively, you can choose to surface a separate warning for each instance of this\n * pattern with a config value of `\"always\"`. This may help to track down where in the code\n * the pattern is being used as the code is being updated.\n *\n * @ngModule ReactiveFormsModule\n * @publicApi\n */\nvar FormControlName = /** @class */ (function (_super) {\n    __extends(FormControlName, _super);\n    function FormControlName(parent, validators, asyncValidators, valueAccessors, _ngModelWarningConfig) {\n        var _this = _super.call(this) || this;\n        _this._ngModelWarningConfig = _ngModelWarningConfig;\n        _this._added = false;\n        /** @deprecated as of v6 */\n        _this.update = new EventEmitter();\n        /**\n         * @description\n         * Instance property used to track whether an ngModel warning has been sent out for this\n         * particular FormControlName instance. Used to support warning config of \"always\".\n         *\n         * @internal\n         */\n        _this._ngModelWarningSent = false;\n        _this._parent = parent;\n        _this._rawValidators = validators || [];\n        _this._rawAsyncValidators = asyncValidators || [];\n        _this.valueAccessor = selectValueAccessor(_this, valueAccessors);\n        return _this;\n    }\n    FormControlName_1 = FormControlName;\n    Object.defineProperty(FormControlName.prototype, \"isDisabled\", {\n        /**\n         * @description\n         * Triggers a warning that this input should not be used with reactive forms.\n         */\n        set: function (isDisabled) { ReactiveErrors.disabledAttrWarning(); },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * @description\n     * A lifecycle method called when the directive's inputs change. For internal use only.\n     *\n     * @param changes A object of key/value pairs for the set of changed inputs.\n     */\n    FormControlName.prototype.ngOnChanges = function (changes) {\n        if (!this._added)\n            this._setUpControl();\n        if (isPropertyUpdated(changes, this.viewModel)) {\n            _ngModelWarning('formControlName', FormControlName_1, this, this._ngModelWarningConfig);\n            this.viewModel = this.model;\n            this.formDirective.updateModel(this, this.model);\n        }\n    };\n    /**\n     * @description\n     * Lifecycle method called before the directive's instance is destroyed. For internal use only.\n     */\n    FormControlName.prototype.ngOnDestroy = function () {\n        if (this.formDirective) {\n            this.formDirective.removeControl(this);\n        }\n    };\n    /**\n     * @description\n     * Sets the new value for the view model and emits an `ngModelChange` event.\n     *\n     * @param newValue The new value for the view model.\n     */\n    FormControlName.prototype.viewToModelUpdate = function (newValue) {\n        this.viewModel = newValue;\n        this.update.emit(newValue);\n    };\n    Object.defineProperty(FormControlName.prototype, \"path\", {\n        /**\n         * @description\n         * Returns an array that represents the path from the top-level form to this control.\n         * Each index is the string name of the control on that level.\n         */\n        get: function () {\n            return controlPath(this.name == null ? this.name : this.name.toString(), this._parent);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(FormControlName.prototype, \"formDirective\", {\n        /**\n         * @description\n         * The top-level directive for this group if present, otherwise null.\n         */\n        get: function () { return this._parent ? this._parent.formDirective : null; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(FormControlName.prototype, \"validator\", {\n        /**\n         * @description\n         * Synchronous validator function composed of all the synchronous validators\n         * registered with this directive.\n         */\n        get: function () { return composeValidators(this._rawValidators); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(FormControlName.prototype, \"asyncValidator\", {\n        /**\n         * @description\n         * Async validator function composed of all the async validators registered with this\n         * directive.\n         */\n        get: function () {\n            return composeAsyncValidators(this._rawAsyncValidators);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    FormControlName.prototype._checkParentType = function () {\n        if (!(this._parent instanceof FormGroupName) &&\n            this._parent instanceof AbstractFormGroupDirective) {\n            ReactiveErrors.ngModelGroupException();\n        }\n        else if (!(this._parent instanceof FormGroupName) && !(this._parent instanceof FormGroupDirective) &&\n            !(this._parent instanceof FormArrayName)) {\n            ReactiveErrors.controlParentException();\n        }\n    };\n    FormControlName.prototype._setUpControl = function () {\n        this._checkParentType();\n        this.control = this.formDirective.addControl(this);\n        if (this.control.disabled && this.valueAccessor.setDisabledState) {\n            this.valueAccessor.setDisabledState(true);\n        }\n        this._added = true;\n    };\n    var FormControlName_1;\n    /**\n     * @description\n     * Static property used to track whether any ngModel warnings have been sent across\n     * all instances of FormControlName. Used to support warning config of \"once\".\n     *\n     * @internal\n     */\n    FormControlName._ngModelWarningSentOnce = false;\n    __decorate([\n        Input('formControlName'),\n        __metadata(\"design:type\", Object)\n    ], FormControlName.prototype, \"name\", void 0);\n    __decorate([\n        Input('disabled'),\n        __metadata(\"design:type\", Boolean),\n        __metadata(\"design:paramtypes\", [Boolean])\n    ], FormControlName.prototype, \"isDisabled\", null);\n    __decorate([\n        Input('ngModel'),\n        __metadata(\"design:type\", Object)\n    ], FormControlName.prototype, \"model\", void 0);\n    __decorate([\n        Output('ngModelChange'),\n        __metadata(\"design:type\", Object)\n    ], FormControlName.prototype, \"update\", void 0);\n    FormControlName = FormControlName_1 = __decorate([\n        Directive({ selector: '[formControlName]', providers: [controlNameBinding] }),\n        __param(0, Optional()), __param(0, Host()), __param(0, SkipSelf()),\n        __param(1, Optional()), __param(1, Self()), __param(1, Inject(NG_VALIDATORS)),\n        __param(2, Optional()), __param(2, Self()), __param(2, Inject(NG_ASYNC_VALIDATORS)),\n        __param(3, Optional()), __param(3, Self()), __param(3, Inject(NG_VALUE_ACCESSOR)),\n        __param(4, Optional()), __param(4, Inject(NG_MODEL_WITH_FORM_CONTROL_WARNING)),\n        __metadata(\"design:paramtypes\", [ControlContainer,\n            Array,\n            Array, Array, Object])\n    ], FormControlName);\n    return FormControlName;\n}(NgControl));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @description\n * Provider which adds `RequiredValidator` to the `NG_VALIDATORS` multi-provider list.\n */\nvar REQUIRED_VALIDATOR = {\n    provide: NG_VALIDATORS,\n    useExisting: forwardRef(function () { return RequiredValidator; }),\n    multi: true\n};\n/**\n * @description\n * Provider which adds `CheckboxRequiredValidator` to the `NG_VALIDATORS` multi-provider list.\n */\nvar CHECKBOX_REQUIRED_VALIDATOR = {\n    provide: NG_VALIDATORS,\n    useExisting: forwardRef(function () { return CheckboxRequiredValidator; }),\n    multi: true\n};\n/**\n * @description\n * A directive that adds the `required` validator to any controls marked with the\n * `required` attribute. The directive is provided with the `NG_VALIDATORS` multi-provider list.\n *\n * @see [Form Validation](guide/form-validation)\n *\n * @usageNotes\n *\n * ### Adding a required validator using template-driven forms\n *\n * ```\n * <input name=\"fullName\" ngModel required>\n * ```\n *\n * @ngModule FormsModule\n * @ngModule ReactiveFormsModule\n * @publicApi\n */\nvar RequiredValidator = /** @class */ (function () {\n    function RequiredValidator() {\n    }\n    Object.defineProperty(RequiredValidator.prototype, \"required\", {\n        /**\n         * @description\n         * Tracks changes to the required attribute bound to this directive.\n         */\n        get: function () { return this._required; },\n        set: function (value) {\n            this._required = value != null && value !== false && \"\" + value !== 'false';\n            if (this._onChange)\n                this._onChange();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * @description\n     * Method that validates whether the control is empty.\n     * Returns the validation result if enabled, otherwise null.\n     */\n    RequiredValidator.prototype.validate = function (control) {\n        return this.required ? Validators.required(control) : null;\n    };\n    /**\n     * @description\n     * Registers a callback function to call when the validator inputs change.\n     *\n     * @param fn The callback function\n     */\n    RequiredValidator.prototype.registerOnValidatorChange = function (fn) { this._onChange = fn; };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], RequiredValidator.prototype, \"required\", null);\n    RequiredValidator = __decorate([\n        Directive({\n            selector: ':not([type=checkbox])[required][formControlName],:not([type=checkbox])[required][formControl],:not([type=checkbox])[required][ngModel]',\n            providers: [REQUIRED_VALIDATOR],\n            host: { '[attr.required]': 'required ? \"\" : null' }\n        })\n    ], RequiredValidator);\n    return RequiredValidator;\n}());\n/**\n * A Directive that adds the `required` validator to checkbox controls marked with the\n * `required` attribute. The directive is provided with the `NG_VALIDATORS` multi-provider list.\n *\n * @see [Form Validation](guide/form-validation)\n *\n * @usageNotes\n *\n * ### Adding a required checkbox validator using template-driven forms\n *\n * The following example shows how to add a checkbox required validator to an input attached to an ngModel binding.\n *\n * ```\n * <input type=\"checkbox\" name=\"active\" ngModel required>\n * ```\n *\n * @publicApi\n * @ngModule FormsModule\n * @ngModule ReactiveFormsModule\n */\nvar CheckboxRequiredValidator = /** @class */ (function (_super) {\n    __extends(CheckboxRequiredValidator, _super);\n    function CheckboxRequiredValidator() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    /**\n     * @description\n     * Method that validates whether or not the checkbox has been checked.\n     * Returns the validation result if enabled, otherwise null.\n     */\n    CheckboxRequiredValidator.prototype.validate = function (control) {\n        return this.required ? Validators.requiredTrue(control) : null;\n    };\n    CheckboxRequiredValidator = __decorate([\n        Directive({\n            selector: 'input[type=checkbox][required][formControlName],input[type=checkbox][required][formControl],input[type=checkbox][required][ngModel]',\n            providers: [CHECKBOX_REQUIRED_VALIDATOR],\n            host: { '[attr.required]': 'required ? \"\" : null' }\n        })\n    ], CheckboxRequiredValidator);\n    return CheckboxRequiredValidator;\n}(RequiredValidator));\n/**\n * @description\n * Provider which adds `EmailValidator` to the `NG_VALIDATORS` multi-provider list.\n */\nvar EMAIL_VALIDATOR = {\n    provide: NG_VALIDATORS,\n    useExisting: forwardRef(function () { return EmailValidator; }),\n    multi: true\n};\n/**\n * A directive that adds the `email` validator to controls marked with the\n * `email` attribute. The directive is provided with the `NG_VALIDATORS` multi-provider list.\n *\n * @see [Form Validation](guide/form-validation)\n *\n * @usageNotes\n *\n * ### Adding an email validator\n *\n * The following example shows how to add an email validator to an input attached to an ngModel binding.\n *\n * ```\n * <input type=\"email\" name=\"email\" ngModel email>\n * <input type=\"email\" name=\"email\" ngModel email=\"true\">\n * <input type=\"email\" name=\"email\" ngModel [email]=\"true\">\n * ```\n *\n * @publicApi\n * @ngModule FormsModule\n * @ngModule ReactiveFormsModule\n */\nvar EmailValidator = /** @class */ (function () {\n    function EmailValidator() {\n    }\n    Object.defineProperty(EmailValidator.prototype, \"email\", {\n        /**\n         * @description\n         * Tracks changes to the email attribute bound to this directive.\n         */\n        set: function (value) {\n            this._enabled = value === '' || value === true || value === 'true';\n            if (this._onChange)\n                this._onChange();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * @description\n     * Method that validates whether an email address is valid.\n     * Returns the validation result if enabled, otherwise null.\n     */\n    EmailValidator.prototype.validate = function (control) {\n        return this._enabled ? Validators.email(control) : null;\n    };\n    /**\n     * @description\n     * Registers a callback function to call when the validator inputs change.\n     *\n     * @param fn The callback function\n     */\n    EmailValidator.prototype.registerOnValidatorChange = function (fn) { this._onChange = fn; };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], EmailValidator.prototype, \"email\", null);\n    EmailValidator = __decorate([\n        Directive({\n            selector: '[email][formControlName],[email][formControl],[email][ngModel]',\n            providers: [EMAIL_VALIDATOR]\n        })\n    ], EmailValidator);\n    return EmailValidator;\n}());\n/**\n * @description\n * Provider which adds `MinLengthValidator` to the `NG_VALIDATORS` multi-provider list.\n */\nvar MIN_LENGTH_VALIDATOR = {\n    provide: NG_VALIDATORS,\n    useExisting: forwardRef(function () { return MinLengthValidator; }),\n    multi: true\n};\n/**\n * A directive that adds minimum length validation to controls marked with the\n * `minlength` attribute. The directive is provided with the `NG_VALIDATORS` multi-provider list.\n *\n * @see [Form Validation](guide/form-validation)\n *\n * @usageNotes\n *\n * ### Adding a minimum length validator\n *\n * The following example shows how to add a minimum length validator to an input attached to an\n * ngModel binding.\n *\n * ```html\n * <input name=\"firstName\" ngModel minlength=\"4\">\n * ```\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar MinLengthValidator = /** @class */ (function () {\n    function MinLengthValidator() {\n    }\n    /**\n     * @description\n     * A lifecycle method called when the directive's inputs change. For internal use\n     * only.\n     *\n     * @param changes A object of key/value pairs for the set of changed inputs.\n     */\n    MinLengthValidator.prototype.ngOnChanges = function (changes) {\n        if ('minlength' in changes) {\n            this._createValidator();\n            if (this._onChange)\n                this._onChange();\n        }\n    };\n    /**\n     * @description\n     * Method that validates whether the value meets a minimum length\n     * requirement. Returns the validation result if enabled, otherwise null.\n     */\n    MinLengthValidator.prototype.validate = function (control) {\n        return this.minlength == null ? null : this._validator(control);\n    };\n    /**\n     * @description\n     * Registers a callback function to call when the validator inputs change.\n     *\n     * @param fn The callback function\n     */\n    MinLengthValidator.prototype.registerOnValidatorChange = function (fn) { this._onChange = fn; };\n    MinLengthValidator.prototype._createValidator = function () {\n        this._validator = Validators.minLength(typeof this.minlength === 'number' ? this.minlength : parseInt(this.minlength, 10));\n    };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object)\n    ], MinLengthValidator.prototype, \"minlength\", void 0);\n    MinLengthValidator = __decorate([\n        Directive({\n            selector: '[minlength][formControlName],[minlength][formControl],[minlength][ngModel]',\n            providers: [MIN_LENGTH_VALIDATOR],\n            host: { '[attr.minlength]': 'minlength ? minlength : null' }\n        })\n    ], MinLengthValidator);\n    return MinLengthValidator;\n}());\n/**\n * @description\n * Provider which adds `MaxLengthValidator` to the `NG_VALIDATORS` multi-provider list.\n */\nvar MAX_LENGTH_VALIDATOR = {\n    provide: NG_VALIDATORS,\n    useExisting: forwardRef(function () { return MaxLengthValidator; }),\n    multi: true\n};\n/**\n * A directive that adds max length validation to controls marked with the\n * `maxlength` attribute. The directive is provided with the `NG_VALIDATORS` multi-provider list.\n *\n * @see [Form Validation](guide/form-validation)\n *\n * @usageNotes\n *\n * ### Adding a maximum length validator\n *\n * The following example shows how to add a maximum length validator to an input attached to an\n * ngModel binding.\n *\n * ```html\n * <input name=\"firstName\" ngModel maxlength=\"25\">\n * ```\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar MaxLengthValidator = /** @class */ (function () {\n    function MaxLengthValidator() {\n    }\n    /**\n     * @description\n     * A lifecycle method called when the directive's inputs change. For internal use\n     * only.\n     *\n     * @param changes A object of key/value pairs for the set of changed inputs.\n     */\n    MaxLengthValidator.prototype.ngOnChanges = function (changes) {\n        if ('maxlength' in changes) {\n            this._createValidator();\n            if (this._onChange)\n                this._onChange();\n        }\n    };\n    /**\n     * @description\n     * Method that validates whether the value exceeds\n     * the maximum length requirement.\n     */\n    MaxLengthValidator.prototype.validate = function (control) {\n        return this.maxlength != null ? this._validator(control) : null;\n    };\n    /**\n     * @description\n     * Registers a callback function to call when the validator inputs change.\n     *\n     * @param fn The callback function\n     */\n    MaxLengthValidator.prototype.registerOnValidatorChange = function (fn) { this._onChange = fn; };\n    MaxLengthValidator.prototype._createValidator = function () {\n        this._validator = Validators.maxLength(typeof this.maxlength === 'number' ? this.maxlength : parseInt(this.maxlength, 10));\n    };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object)\n    ], MaxLengthValidator.prototype, \"maxlength\", void 0);\n    MaxLengthValidator = __decorate([\n        Directive({\n            selector: '[maxlength][formControlName],[maxlength][formControl],[maxlength][ngModel]',\n            providers: [MAX_LENGTH_VALIDATOR],\n            host: { '[attr.maxlength]': 'maxlength ? maxlength : null' }\n        })\n    ], MaxLengthValidator);\n    return MaxLengthValidator;\n}());\n/**\n * @description\n * Provider which adds `PatternValidator` to the `NG_VALIDATORS` multi-provider list.\n */\nvar PATTERN_VALIDATOR = {\n    provide: NG_VALIDATORS,\n    useExisting: forwardRef(function () { return PatternValidator; }),\n    multi: true\n};\n/**\n * @description\n * A directive that adds regex pattern validation to controls marked with the\n * `pattern` attribute. The regex must match the entire control value.\n * The directive is provided with the `NG_VALIDATORS` multi-provider list.\n *\n * @see [Form Validation](guide/form-validation)\n *\n * @usageNotes\n *\n * ### Adding a pattern validator\n *\n * The following example shows how to add a pattern validator to an input attached to an\n * ngModel binding.\n *\n * ```html\n * <input name=\"firstName\" ngModel pattern=\"[a-zA-Z ]*\">\n * ```\n *\n * @ngModule ReactiveFormsModule\n * @ngModule FormsModule\n * @publicApi\n */\nvar PatternValidator = /** @class */ (function () {\n    function PatternValidator() {\n    }\n    /**\n     * @description\n     * A lifecycle method called when the directive's inputs change. For internal use\n     * only.\n     *\n     * @param changes A object of key/value pairs for the set of changed inputs.\n     */\n    PatternValidator.prototype.ngOnChanges = function (changes) {\n        if ('pattern' in changes) {\n            this._createValidator();\n            if (this._onChange)\n                this._onChange();\n        }\n    };\n    /**\n     * @description\n     * Method that validates whether the value matches the\n     * the pattern requirement.\n     */\n    PatternValidator.prototype.validate = function (control) { return this._validator(control); };\n    /**\n     * @description\n     * Registers a callback function to call when the validator inputs change.\n     *\n     * @param fn The callback function\n     */\n    PatternValidator.prototype.registerOnValidatorChange = function (fn) { this._onChange = fn; };\n    PatternValidator.prototype._createValidator = function () { this._validator = Validators.pattern(this.pattern); };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object)\n    ], PatternValidator.prototype, \"pattern\", void 0);\n    PatternValidator = __decorate([\n        Directive({\n            selector: '[pattern][formControlName],[pattern][formControl],[pattern][ngModel]',\n            providers: [PATTERN_VALIDATOR],\n            host: { '[attr.pattern]': 'pattern ? pattern : null' }\n        })\n    ], PatternValidator);\n    return PatternValidator;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar SHARED_FORM_DIRECTIVES = [\n    ɵNgNoValidate,\n    NgSelectOption,\n    ɵNgSelectMultipleOption,\n    DefaultValueAccessor,\n    NumberValueAccessor,\n    RangeValueAccessor,\n    CheckboxControlValueAccessor,\n    SelectControlValueAccessor,\n    SelectMultipleControlValueAccessor,\n    RadioControlValueAccessor,\n    NgControlStatus,\n    NgControlStatusGroup,\n    RequiredValidator,\n    MinLengthValidator,\n    MaxLengthValidator,\n    PatternValidator,\n    CheckboxRequiredValidator,\n    EmailValidator,\n];\nvar TEMPLATE_DRIVEN_DIRECTIVES = [NgModel, NgModelGroup, NgForm];\nvar REACTIVE_DRIVEN_DIRECTIVES = [FormControlDirective, FormGroupDirective, FormControlName, FormGroupName, FormArrayName];\n/**\n * Internal module used for sharing directives between FormsModule and ReactiveFormsModule\n */\nvar ɵInternalFormsSharedModule = /** @class */ (function () {\n    function ɵInternalFormsSharedModule() {\n    }\n    ɵInternalFormsSharedModule = __decorate([\n        NgModule({\n            declarations: SHARED_FORM_DIRECTIVES,\n            exports: SHARED_FORM_DIRECTIVES,\n        })\n    ], ɵInternalFormsSharedModule);\n    return ɵInternalFormsSharedModule;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction isAbstractControlOptions(options) {\n    return options.asyncValidators !== undefined ||\n        options.validators !== undefined ||\n        options.updateOn !== undefined;\n}\n/**\n * @description\n * Creates an `AbstractControl` from a user-specified configuration.\n *\n * The `FormBuilder` provides syntactic sugar that shortens creating instances of a `FormControl`,\n * `FormGroup`, or `FormArray`. It reduces the amount of boilerplate needed to build complex\n * forms.\n *\n * @see [Reactive Forms Guide](/guide/reactive-forms)\n *\n * @publicApi\n */\nvar FormBuilder = /** @class */ (function () {\n    function FormBuilder() {\n    }\n    /**\n     * @description\n     * Construct a new `FormGroup` instance.\n     *\n     * @param controlsConfig A collection of child controls. The key for each child is the name\n     * under which it is registered.\n     *\n     * @param options Configuration options object for the `FormGroup`. The object can\n     * have two shapes:\n     *\n     * 1) `AbstractControlOptions` object (preferred), which consists of:\n     * * `validators`: A synchronous validator function, or an array of validator functions\n     * * `asyncValidators`: A single async validator or array of async validator functions\n     * * `updateOn`: The event upon which the control should be updated (options: 'change' | 'blur' |\n     * submit')\n     *\n     * 2) Legacy configuration object, which consists of:\n     * * `validator`: A synchronous validator function, or an array of validator functions\n     * * `asyncValidator`: A single async validator or array of async validator functions\n     *\n     */\n    FormBuilder.prototype.group = function (controlsConfig, options) {\n        if (options === void 0) { options = null; }\n        var controls = this._reduceControls(controlsConfig);\n        var validators = null;\n        var asyncValidators = null;\n        var updateOn = undefined;\n        if (options != null) {\n            if (isAbstractControlOptions(options)) {\n                // `options` are `AbstractControlOptions`\n                validators = options.validators != null ? options.validators : null;\n                asyncValidators = options.asyncValidators != null ? options.asyncValidators : null;\n                updateOn = options.updateOn != null ? options.updateOn : undefined;\n            }\n            else {\n                // `options` are legacy form group options\n                validators = options['validator'] != null ? options['validator'] : null;\n                asyncValidators = options['asyncValidator'] != null ? options['asyncValidator'] : null;\n            }\n        }\n        return new FormGroup(controls, { asyncValidators: asyncValidators, updateOn: updateOn, validators: validators });\n    };\n    /**\n     * @description\n     * Construct a new `FormControl` with the given state, validators and options.\n     *\n     * @param formState Initializes the control with an initial state value, or\n     * with an object that contains both a value and a disabled status.\n     *\n     * @param validatorOrOpts A synchronous validator function, or an array of\n     * such functions, or an `AbstractControlOptions` object that contains\n     * validation functions and a validation trigger.\n     *\n     * @param asyncValidator A single async validator or array of async validator\n     * functions.\n     *\n     * @usageNotes\n     *\n     * ### Initialize a control as disabled\n     *\n     * The following example returns a control with an initial value in a disabled state.\n     *\n     * <code-example path=\"forms/ts/formBuilder/form_builder_example.ts\" region=\"disabled-control\">\n     * </code-example>\n     */\n    FormBuilder.prototype.control = function (formState, validatorOrOpts, asyncValidator) {\n        return new FormControl(formState, validatorOrOpts, asyncValidator);\n    };\n    /**\n     * Constructs a new `FormArray` from the given array of configurations,\n     * validators and options.\n     *\n     * @param controlsConfig An array of child controls or control configs. Each\n     * child control is given an index when it is registered.\n     *\n     * @param validatorOrOpts A synchronous validator function, or an array of\n     * such functions, or an `AbstractControlOptions` object that contains\n     * validation functions and a validation trigger.\n     *\n     * @param asyncValidator A single async validator or array of async validator\n     * functions.\n     */\n    FormBuilder.prototype.array = function (controlsConfig, validatorOrOpts, asyncValidator) {\n        var _this = this;\n        var controls = controlsConfig.map(function (c) { return _this._createControl(c); });\n        return new FormArray(controls, validatorOrOpts, asyncValidator);\n    };\n    /** @internal */\n    FormBuilder.prototype._reduceControls = function (controlsConfig) {\n        var _this = this;\n        var controls = {};\n        Object.keys(controlsConfig).forEach(function (controlName) {\n            controls[controlName] = _this._createControl(controlsConfig[controlName]);\n        });\n        return controls;\n    };\n    /** @internal */\n    FormBuilder.prototype._createControl = function (controlConfig) {\n        if (controlConfig instanceof FormControl || controlConfig instanceof FormGroup ||\n            controlConfig instanceof FormArray) {\n            return controlConfig;\n        }\n        else if (Array.isArray(controlConfig)) {\n            var value = controlConfig[0];\n            var validator = controlConfig.length > 1 ? controlConfig[1] : null;\n            var asyncValidator = controlConfig.length > 2 ? controlConfig[2] : null;\n            return this.control(value, validator, asyncValidator);\n        }\n        else {\n            return this.control(controlConfig);\n        }\n    };\n    FormBuilder = __decorate([\n        Injectable()\n    ], FormBuilder);\n    return FormBuilder;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @publicApi\n */\nvar VERSION = new Version('9.0.0');\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Exports the required providers and directives for template-driven forms,\n * making them available for import by NgModules that import this module.\n *\n * @see [Forms Guide](/guide/forms)\n *\n * @publicApi\n */\nvar FormsModule = /** @class */ (function () {\n    function FormsModule() {\n    }\n    FormsModule = __decorate([\n        NgModule({\n            declarations: TEMPLATE_DRIVEN_DIRECTIVES,\n            providers: [RadioControlRegistry],\n            exports: [ɵInternalFormsSharedModule, TEMPLATE_DRIVEN_DIRECTIVES]\n        })\n    ], FormsModule);\n    return FormsModule;\n}());\n/**\n * Exports the required infrastructure and directives for reactive forms,\n * making them available for import by NgModules that import this module.\n * @see [Forms](guide/reactive-forms)\n *\n * @see [Reactive Forms Guide](/guide/reactive-forms)\n *\n * @publicApi\n */\nvar ReactiveFormsModule = /** @class */ (function () {\n    function ReactiveFormsModule() {\n    }\n    ReactiveFormsModule_1 = ReactiveFormsModule;\n    /**\n     * @description\n     * Provides options for configuring the reactive forms module.\n     *\n     * @param opts An object of configuration options\n     * * `warnOnNgModelWithFormControl` Configures when to emit a warning when an `ngModel`\n     * binding is used with reactive form directives.\n     */\n    ReactiveFormsModule.withConfig = function (opts) {\n        return {\n            ngModule: ReactiveFormsModule_1,\n            providers: [{\n                    provide: NG_MODEL_WITH_FORM_CONTROL_WARNING,\n                    useValue: opts.warnOnNgModelWithFormControl\n                }]\n        };\n    };\n    var ReactiveFormsModule_1;\n    ReactiveFormsModule = ReactiveFormsModule_1 = __decorate([\n        NgModule({\n            declarations: [REACTIVE_DRIVEN_DIRECTIVES],\n            providers: [FormBuilder, RadioControlRegistry],\n            exports: [ɵInternalFormsSharedModule, REACTIVE_DRIVEN_DIRECTIVES]\n        })\n    ], ReactiveFormsModule);\n    return ReactiveFormsModule;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// This file only reexports content of the `src` folder. Keep it that way.\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { AbstractControl, AbstractControlDirective, AbstractFormGroupDirective, COMPOSITION_BUFFER_MODE, CheckboxControlValueAccessor, CheckboxRequiredValidator, ControlContainer, DefaultValueAccessor, EmailValidator, FormArray, FormArrayName, FormBuilder, FormControl, FormControlDirective, FormControlName, FormGroup, FormGroupDirective, FormGroupName, FormsModule, MaxLengthValidator, MinLengthValidator, NG_ASYNC_VALIDATORS, NG_VALIDATORS, NG_VALUE_ACCESSOR, NgControl, NgControlStatus, NgControlStatusGroup, NgForm, NgModel, NgModelGroup, NgSelectOption, NumberValueAccessor, PatternValidator, RadioControlValueAccessor, RangeValueAccessor, ReactiveFormsModule, RequiredValidator, SelectControlValueAccessor, SelectMultipleControlValueAccessor, VERSION, Validators, ɵInternalFormsSharedModule, ɵNgNoValidate, ɵNgSelectMultipleOption, SHARED_FORM_DIRECTIVES as ɵangular_packages_forms_forms_a, TEMPLATE_DRIVEN_DIRECTIVES as ɵangular_packages_forms_forms_b, CHECKBOX_REQUIRED_VALIDATOR as ɵangular_packages_forms_forms_ba, EMAIL_VALIDATOR as ɵangular_packages_forms_forms_bb, MIN_LENGTH_VALIDATOR as ɵangular_packages_forms_forms_bc, MAX_LENGTH_VALIDATOR as ɵangular_packages_forms_forms_bd, PATTERN_VALIDATOR as ɵangular_packages_forms_forms_be, REACTIVE_DRIVEN_DIRECTIVES as ɵangular_packages_forms_forms_c, ɵInternalFormsSharedModule as ɵangular_packages_forms_forms_d, CHECKBOX_VALUE_ACCESSOR as ɵangular_packages_forms_forms_e, DEFAULT_VALUE_ACCESSOR as ɵangular_packages_forms_forms_f, AbstractControlStatus as ɵangular_packages_forms_forms_g, ngControlStatusHost as ɵangular_packages_forms_forms_h, formDirectiveProvider as ɵangular_packages_forms_forms_i, formControlBinding as ɵangular_packages_forms_forms_j, modelGroupProvider as ɵangular_packages_forms_forms_k, NUMBER_VALUE_ACCESSOR as ɵangular_packages_forms_forms_l, RADIO_VALUE_ACCESSOR as ɵangular_packages_forms_forms_m, RadioControlRegistry as ɵangular_packages_forms_forms_n, RANGE_VALUE_ACCESSOR as ɵangular_packages_forms_forms_o, NG_MODEL_WITH_FORM_CONTROL_WARNING as ɵangular_packages_forms_forms_p, formControlBinding$1 as ɵangular_packages_forms_forms_q, controlNameBinding as ɵangular_packages_forms_forms_r, formDirectiveProvider$1 as ɵangular_packages_forms_forms_s, formGroupNameProvider as ɵangular_packages_forms_forms_t, formArrayNameProvider as ɵangular_packages_forms_forms_u, SELECT_VALUE_ACCESSOR as ɵangular_packages_forms_forms_v, SELECT_MULTIPLE_VALUE_ACCESSOR as ɵangular_packages_forms_forms_w, ɵNgSelectMultipleOption as ɵangular_packages_forms_forms_x, ɵNgNoValidate as ɵangular_packages_forms_forms_y, REQUIRED_VALIDATOR as ɵangular_packages_forms_forms_z };\n","import { __extends, __values } from 'tslib';\nimport { Observable, of, Subject } from 'rxjs';\nimport { Injectable, ɵɵdefineInjectable } from '@angular/core';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar DataSource = /** @class */ (function () {\n    function DataSource() {\n    }\n    return DataSource;\n}());\n/** Checks whether an object is a data source. */\nfunction isDataSource(value) {\n    // Check if the value is a DataSource by observing if it has a connect function. Cannot\n    // be checked as an `instanceof DataSource` since people could create their own sources\n    // that match the interface, but don't extend DataSource.\n    return value && typeof value.connect === 'function';\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** DataSource wrapper for a native array. */\nvar ArrayDataSource = /** @class */ (function (_super) {\n    __extends(ArrayDataSource, _super);\n    function ArrayDataSource(_data) {\n        var _this = _super.call(this) || this;\n        _this._data = _data;\n        return _this;\n    }\n    ArrayDataSource.prototype.connect = function () {\n        return this._data instanceof Observable ? this._data : of(this._data);\n    };\n    ArrayDataSource.prototype.disconnect = function () { };\n    return ArrayDataSource;\n}(DataSource));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Class to be used to power selecting one or more options from a list.\n */\nvar SelectionModel = /** @class */ (function () {\n    function SelectionModel(_multiple, initiallySelectedValues, _emitChanges) {\n        var _this = this;\n        if (_multiple === void 0) { _multiple = false; }\n        if (_emitChanges === void 0) { _emitChanges = true; }\n        this._multiple = _multiple;\n        this._emitChanges = _emitChanges;\n        /** Currently-selected values. */\n        this._selection = new Set();\n        /** Keeps track of the deselected options that haven't been emitted by the change event. */\n        this._deselectedToEmit = [];\n        /** Keeps track of the selected options that haven't been emitted by the change event. */\n        this._selectedToEmit = [];\n        /** Event emitted when the value has changed. */\n        this.changed = new Subject();\n        if (initiallySelectedValues && initiallySelectedValues.length) {\n            if (_multiple) {\n                initiallySelectedValues.forEach(function (value) { return _this._markSelected(value); });\n            }\n            else {\n                this._markSelected(initiallySelectedValues[0]);\n            }\n            // Clear the array in order to avoid firing the change event for preselected values.\n            this._selectedToEmit.length = 0;\n        }\n    }\n    Object.defineProperty(SelectionModel.prototype, \"selected\", {\n        /** Selected values. */\n        get: function () {\n            if (!this._selected) {\n                this._selected = Array.from(this._selection.values());\n            }\n            return this._selected;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Selects a value or an array of values.\n     */\n    SelectionModel.prototype.select = function () {\n        var _this = this;\n        var values = [];\n        for (var _i = 0; _i < arguments.length; _i++) {\n            values[_i] = arguments[_i];\n        }\n        this._verifyValueAssignment(values);\n        values.forEach(function (value) { return _this._markSelected(value); });\n        this._emitChangeEvent();\n    };\n    /**\n     * Deselects a value or an array of values.\n     */\n    SelectionModel.prototype.deselect = function () {\n        var _this = this;\n        var values = [];\n        for (var _i = 0; _i < arguments.length; _i++) {\n            values[_i] = arguments[_i];\n        }\n        this._verifyValueAssignment(values);\n        values.forEach(function (value) { return _this._unmarkSelected(value); });\n        this._emitChangeEvent();\n    };\n    /**\n     * Toggles a value between selected and deselected.\n     */\n    SelectionModel.prototype.toggle = function (value) {\n        this.isSelected(value) ? this.deselect(value) : this.select(value);\n    };\n    /**\n     * Clears all of the selected values.\n     */\n    SelectionModel.prototype.clear = function () {\n        this._unmarkAll();\n        this._emitChangeEvent();\n    };\n    /**\n     * Determines whether a value is selected.\n     */\n    SelectionModel.prototype.isSelected = function (value) {\n        return this._selection.has(value);\n    };\n    /**\n     * Determines whether the model does not have a value.\n     */\n    SelectionModel.prototype.isEmpty = function () {\n        return this._selection.size === 0;\n    };\n    /**\n     * Determines whether the model has a value.\n     */\n    SelectionModel.prototype.hasValue = function () {\n        return !this.isEmpty();\n    };\n    /**\n     * Sorts the selected values based on a predicate function.\n     */\n    SelectionModel.prototype.sort = function (predicate) {\n        if (this._multiple && this.selected) {\n            this._selected.sort(predicate);\n        }\n    };\n    /**\n     * Gets whether multiple values can be selected.\n     */\n    SelectionModel.prototype.isMultipleSelection = function () {\n        return this._multiple;\n    };\n    /** Emits a change event and clears the records of selected and deselected values. */\n    SelectionModel.prototype._emitChangeEvent = function () {\n        // Clear the selected values so they can be re-cached.\n        this._selected = null;\n        if (this._selectedToEmit.length || this._deselectedToEmit.length) {\n            this.changed.next({\n                source: this,\n                added: this._selectedToEmit,\n                removed: this._deselectedToEmit\n            });\n            this._deselectedToEmit = [];\n            this._selectedToEmit = [];\n        }\n    };\n    /** Selects a value. */\n    SelectionModel.prototype._markSelected = function (value) {\n        if (!this.isSelected(value)) {\n            if (!this._multiple) {\n                this._unmarkAll();\n            }\n            this._selection.add(value);\n            if (this._emitChanges) {\n                this._selectedToEmit.push(value);\n            }\n        }\n    };\n    /** Deselects a value. */\n    SelectionModel.prototype._unmarkSelected = function (value) {\n        if (this.isSelected(value)) {\n            this._selection.delete(value);\n            if (this._emitChanges) {\n                this._deselectedToEmit.push(value);\n            }\n        }\n    };\n    /** Clears out the selected values. */\n    SelectionModel.prototype._unmarkAll = function () {\n        var _this = this;\n        if (!this.isEmpty()) {\n            this._selection.forEach(function (value) { return _this._unmarkSelected(value); });\n        }\n    };\n    /**\n     * Verifies the value assignment and throws an error if the specified value array is\n     * including multiple values while the selection model is not supporting multiple values.\n     */\n    SelectionModel.prototype._verifyValueAssignment = function (values) {\n        if (values.length > 1 && !this._multiple) {\n            throw getMultipleValuesInSingleSelectionError();\n        }\n    };\n    return SelectionModel;\n}());\n/**\n * Returns an error that reports that multiple values are passed into a selection model\n * with a single value.\n * @docs-private\n */\nfunction getMultipleValuesInSingleSelectionError() {\n    return Error('Cannot pass multiple values into SelectionModel with single-value mode.');\n}\n\n/**\n * Class to coordinate unique selection based on name.\n * Intended to be consumed as an Angular service.\n * This service is needed because native radio change events are only fired on the item currently\n * being selected, and we still need to uncheck the previous selection.\n *\n * This service does not *store* any IDs and names because they may change at any time, so it is\n * less error-prone if they are simply passed through when the events occur.\n */\nvar UniqueSelectionDispatcher = /** @class */ (function () {\n    function UniqueSelectionDispatcher() {\n        this._listeners = [];\n    }\n    /**\n     * Notify other items that selection for the given name has been set.\n     * @param id ID of the item.\n     * @param name Name of the item.\n     */\n    UniqueSelectionDispatcher.prototype.notify = function (id, name) {\n        var e_1, _a;\n        try {\n            for (var _b = __values(this._listeners), _c = _b.next(); !_c.done; _c = _b.next()) {\n                var listener = _c.value;\n                listener(id, name);\n            }\n        }\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\n        finally {\n            try {\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\n            }\n            finally { if (e_1) throw e_1.error; }\n        }\n    };\n    /**\n     * Listen for future changes to item selection.\n     * @return Function used to deregister listener\n     */\n    UniqueSelectionDispatcher.prototype.listen = function (listener) {\n        var _this = this;\n        this._listeners.push(listener);\n        return function () {\n            _this._listeners = _this._listeners.filter(function (registered) {\n                return listener !== registered;\n            });\n        };\n    };\n    UniqueSelectionDispatcher.prototype.ngOnDestroy = function () {\n        this._listeners = [];\n    };\n    UniqueSelectionDispatcher.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    UniqueSelectionDispatcher.ɵprov = ɵɵdefineInjectable({ factory: function UniqueSelectionDispatcher_Factory() { return new UniqueSelectionDispatcher(); }, token: UniqueSelectionDispatcher, providedIn: \"root\" });\n    return UniqueSelectionDispatcher;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { ArrayDataSource, DataSource, SelectionModel, UniqueSelectionDispatcher, getMultipleValuesInSingleSelectionError, isDataSource };\n","import LRU from '../core/LRU';\nvar kCSSColorTable = {\n    'transparent': [0, 0, 0, 0], 'aliceblue': [240, 248, 255, 1],\n    'antiquewhite': [250, 235, 215, 1], 'aqua': [0, 255, 255, 1],\n    'aquamarine': [127, 255, 212, 1], 'azure': [240, 255, 255, 1],\n    'beige': [245, 245, 220, 1], 'bisque': [255, 228, 196, 1],\n    'black': [0, 0, 0, 1], 'blanchedalmond': [255, 235, 205, 1],\n    'blue': [0, 0, 255, 1], 'blueviolet': [138, 43, 226, 1],\n    'brown': [165, 42, 42, 1], 'burlywood': [222, 184, 135, 1],\n    'cadetblue': [95, 158, 160, 1], 'chartreuse': [127, 255, 0, 1],\n    'chocolate': [210, 105, 30, 1], 'coral': [255, 127, 80, 1],\n    'cornflowerblue': [100, 149, 237, 1], 'cornsilk': [255, 248, 220, 1],\n    'crimson': [220, 20, 60, 1], 'cyan': [0, 255, 255, 1],\n    'darkblue': [0, 0, 139, 1], 'darkcyan': [0, 139, 139, 1],\n    'darkgoldenrod': [184, 134, 11, 1], 'darkgray': [169, 169, 169, 1],\n    'darkgreen': [0, 100, 0, 1], 'darkgrey': [169, 169, 169, 1],\n    'darkkhaki': [189, 183, 107, 1], 'darkmagenta': [139, 0, 139, 1],\n    'darkolivegreen': [85, 107, 47, 1], 'darkorange': [255, 140, 0, 1],\n    'darkorchid': [153, 50, 204, 1], 'darkred': [139, 0, 0, 1],\n    'darksalmon': [233, 150, 122, 1], 'darkseagreen': [143, 188, 143, 1],\n    'darkslateblue': [72, 61, 139, 1], 'darkslategray': [47, 79, 79, 1],\n    'darkslategrey': [47, 79, 79, 1], 'darkturquoise': [0, 206, 209, 1],\n    'darkviolet': [148, 0, 211, 1], 'deeppink': [255, 20, 147, 1],\n    'deepskyblue': [0, 191, 255, 1], 'dimgray': [105, 105, 105, 1],\n    'dimgrey': [105, 105, 105, 1], 'dodgerblue': [30, 144, 255, 1],\n    'firebrick': [178, 34, 34, 1], 'floralwhite': [255, 250, 240, 1],\n    'forestgreen': [34, 139, 34, 1], 'fuchsia': [255, 0, 255, 1],\n    'gainsboro': [220, 220, 220, 1], 'ghostwhite': [248, 248, 255, 1],\n    'gold': [255, 215, 0, 1], 'goldenrod': [218, 165, 32, 1],\n    'gray': [128, 128, 128, 1], 'green': [0, 128, 0, 1],\n    'greenyellow': [173, 255, 47, 1], 'grey': [128, 128, 128, 1],\n    'honeydew': [240, 255, 240, 1], 'hotpink': [255, 105, 180, 1],\n    'indianred': [205, 92, 92, 1], 'indigo': [75, 0, 130, 1],\n    'ivory': [255, 255, 240, 1], 'khaki': [240, 230, 140, 1],\n    'lavender': [230, 230, 250, 1], 'lavenderblush': [255, 240, 245, 1],\n    'lawngreen': [124, 252, 0, 1], 'lemonchiffon': [255, 250, 205, 1],\n    'lightblue': [173, 216, 230, 1], 'lightcoral': [240, 128, 128, 1],\n    'lightcyan': [224, 255, 255, 1], 'lightgoldenrodyellow': [250, 250, 210, 1],\n    'lightgray': [211, 211, 211, 1], 'lightgreen': [144, 238, 144, 1],\n    'lightgrey': [211, 211, 211, 1], 'lightpink': [255, 182, 193, 1],\n    'lightsalmon': [255, 160, 122, 1], 'lightseagreen': [32, 178, 170, 1],\n    'lightskyblue': [135, 206, 250, 1], 'lightslategray': [119, 136, 153, 1],\n    'lightslategrey': [119, 136, 153, 1], 'lightsteelblue': [176, 196, 222, 1],\n    'lightyellow': [255, 255, 224, 1], 'lime': [0, 255, 0, 1],\n    'limegreen': [50, 205, 50, 1], 'linen': [250, 240, 230, 1],\n    'magenta': [255, 0, 255, 1], 'maroon': [128, 0, 0, 1],\n    'mediumaquamarine': [102, 205, 170, 1], 'mediumblue': [0, 0, 205, 1],\n    'mediumorchid': [186, 85, 211, 1], 'mediumpurple': [147, 112, 219, 1],\n    'mediumseagreen': [60, 179, 113, 1], 'mediumslateblue': [123, 104, 238, 1],\n    'mediumspringgreen': [0, 250, 154, 1], 'mediumturquoise': [72, 209, 204, 1],\n    'mediumvioletred': [199, 21, 133, 1], 'midnightblue': [25, 25, 112, 1],\n    'mintcream': [245, 255, 250, 1], 'mistyrose': [255, 228, 225, 1],\n    'moccasin': [255, 228, 181, 1], 'navajowhite': [255, 222, 173, 1],\n    'navy': [0, 0, 128, 1], 'oldlace': [253, 245, 230, 1],\n    'olive': [128, 128, 0, 1], 'olivedrab': [107, 142, 35, 1],\n    'orange': [255, 165, 0, 1], 'orangered': [255, 69, 0, 1],\n    'orchid': [218, 112, 214, 1], 'palegoldenrod': [238, 232, 170, 1],\n    'palegreen': [152, 251, 152, 1], 'paleturquoise': [175, 238, 238, 1],\n    'palevioletred': [219, 112, 147, 1], 'papayawhip': [255, 239, 213, 1],\n    'peachpuff': [255, 218, 185, 1], 'peru': [205, 133, 63, 1],\n    'pink': [255, 192, 203, 1], 'plum': [221, 160, 221, 1],\n    'powderblue': [176, 224, 230, 1], 'purple': [128, 0, 128, 1],\n    'red': [255, 0, 0, 1], 'rosybrown': [188, 143, 143, 1],\n    'royalblue': [65, 105, 225, 1], 'saddlebrown': [139, 69, 19, 1],\n    'salmon': [250, 128, 114, 1], 'sandybrown': [244, 164, 96, 1],\n    'seagreen': [46, 139, 87, 1], 'seashell': [255, 245, 238, 1],\n    'sienna': [160, 82, 45, 1], 'silver': [192, 192, 192, 1],\n    'skyblue': [135, 206, 235, 1], 'slateblue': [106, 90, 205, 1],\n    'slategray': [112, 128, 144, 1], 'slategrey': [112, 128, 144, 1],\n    'snow': [255, 250, 250, 1], 'springgreen': [0, 255, 127, 1],\n    'steelblue': [70, 130, 180, 1], 'tan': [210, 180, 140, 1],\n    'teal': [0, 128, 128, 1], 'thistle': [216, 191, 216, 1],\n    'tomato': [255, 99, 71, 1], 'turquoise': [64, 224, 208, 1],\n    'violet': [238, 130, 238, 1], 'wheat': [245, 222, 179, 1],\n    'white': [255, 255, 255, 1], 'whitesmoke': [245, 245, 245, 1],\n    'yellow': [255, 255, 0, 1], 'yellowgreen': [154, 205, 50, 1]\n};\nfunction clampCssByte(i) {\n    i = Math.round(i);\n    return i < 0 ? 0 : i > 255 ? 255 : i;\n}\nfunction clampCssAngle(i) {\n    i = Math.round(i);\n    return i < 0 ? 0 : i > 360 ? 360 : i;\n}\nfunction clampCssFloat(f) {\n    return f < 0 ? 0 : f > 1 ? 1 : f;\n}\nfunction parseCssInt(val) {\n    var str = val;\n    if (str.length && str.charAt(str.length - 1) === '%') {\n        return clampCssByte(parseFloat(str) / 100 * 255);\n    }\n    return clampCssByte(parseInt(str, 10));\n}\nfunction parseCssFloat(val) {\n    var str = val;\n    if (str.length && str.charAt(str.length - 1) === '%') {\n        return clampCssFloat(parseFloat(str) / 100);\n    }\n    return clampCssFloat(parseFloat(str));\n}\nfunction cssHueToRgb(m1, m2, h) {\n    if (h < 0) {\n        h += 1;\n    }\n    else if (h > 1) {\n        h -= 1;\n    }\n    if (h * 6 < 1) {\n        return m1 + (m2 - m1) * h * 6;\n    }\n    if (h * 2 < 1) {\n        return m2;\n    }\n    if (h * 3 < 2) {\n        return m1 + (m2 - m1) * (2 / 3 - h) * 6;\n    }\n    return m1;\n}\nfunction lerpNumber(a, b, p) {\n    return a + (b - a) * p;\n}\nfunction setRgba(out, r, g, b, a) {\n    out[0] = r;\n    out[1] = g;\n    out[2] = b;\n    out[3] = a;\n    return out;\n}\nfunction copyRgba(out, a) {\n    out[0] = a[0];\n    out[1] = a[1];\n    out[2] = a[2];\n    out[3] = a[3];\n    return out;\n}\nvar colorCache = new LRU(20);\nvar lastRemovedArr = null;\nfunction putToCache(colorStr, rgbaArr) {\n    if (lastRemovedArr) {\n        copyRgba(lastRemovedArr, rgbaArr);\n    }\n    lastRemovedArr = colorCache.put(colorStr, lastRemovedArr || (rgbaArr.slice()));\n}\nexport function parse(colorStr, rgbaArr) {\n    if (!colorStr) {\n        return;\n    }\n    rgbaArr = rgbaArr || [];\n    var cached = colorCache.get(colorStr);\n    if (cached) {\n        return copyRgba(rgbaArr, cached);\n    }\n    colorStr = colorStr + '';\n    var str = colorStr.replace(/ /g, '').toLowerCase();\n    if (str in kCSSColorTable) {\n        copyRgba(rgbaArr, kCSSColorTable[str]);\n        putToCache(colorStr, rgbaArr);\n        return rgbaArr;\n    }\n    var strLen = str.length;\n    if (str.charAt(0) === '#') {\n        if (strLen === 4 || strLen === 5) {\n            var iv = parseInt(str.slice(1, 4), 16);\n            if (!(iv >= 0 && iv <= 0xfff)) {\n                setRgba(rgbaArr, 0, 0, 0, 1);\n                return;\n            }\n            setRgba(rgbaArr, ((iv & 0xf00) >> 4) | ((iv & 0xf00) >> 8), (iv & 0xf0) | ((iv & 0xf0) >> 4), (iv & 0xf) | ((iv & 0xf) << 4), strLen === 5 ? parseInt(str.slice(4), 16) / 0xf : 1);\n            putToCache(colorStr, rgbaArr);\n            return rgbaArr;\n        }\n        else if (strLen === 7 || strLen === 9) {\n            var iv = parseInt(str.slice(1, 7), 16);\n            if (!(iv >= 0 && iv <= 0xffffff)) {\n                setRgba(rgbaArr, 0, 0, 0, 1);\n                return;\n            }\n            setRgba(rgbaArr, (iv & 0xff0000) >> 16, (iv & 0xff00) >> 8, iv & 0xff, strLen === 9 ? parseInt(str.slice(7), 16) / 0xff : 1);\n            putToCache(colorStr, rgbaArr);\n            return rgbaArr;\n        }\n        return;\n    }\n    var op = str.indexOf('(');\n    var ep = str.indexOf(')');\n    if (op !== -1 && ep + 1 === strLen) {\n        var fname = str.substr(0, op);\n        var params = str.substr(op + 1, ep - (op + 1)).split(',');\n        var alpha = 1;\n        switch (fname) {\n            case 'rgba':\n                if (params.length !== 4) {\n                    return params.length === 3\n                        ? setRgba(rgbaArr, +params[0], +params[1], +params[2], 1)\n                        : setRgba(rgbaArr, 0, 0, 0, 1);\n                }\n                alpha = parseCssFloat(params.pop());\n            case 'rgb':\n                if (params.length !== 3) {\n                    setRgba(rgbaArr, 0, 0, 0, 1);\n                    return;\n                }\n                setRgba(rgbaArr, parseCssInt(params[0]), parseCssInt(params[1]), parseCssInt(params[2]), alpha);\n                putToCache(colorStr, rgbaArr);\n                return rgbaArr;\n            case 'hsla':\n                if (params.length !== 4) {\n                    setRgba(rgbaArr, 0, 0, 0, 1);\n                    return;\n                }\n                params[3] = parseCssFloat(params[3]);\n                hsla2rgba(params, rgbaArr);\n                putToCache(colorStr, rgbaArr);\n                return rgbaArr;\n            case 'hsl':\n                if (params.length !== 3) {\n                    setRgba(rgbaArr, 0, 0, 0, 1);\n                    return;\n                }\n                hsla2rgba(params, rgbaArr);\n                putToCache(colorStr, rgbaArr);\n                return rgbaArr;\n            default:\n                return;\n        }\n    }\n    setRgba(rgbaArr, 0, 0, 0, 1);\n    return;\n}\nfunction hsla2rgba(hsla, rgba) {\n    var h = (((parseFloat(hsla[0]) % 360) + 360) % 360) / 360;\n    var s = parseCssFloat(hsla[1]);\n    var l = parseCssFloat(hsla[2]);\n    var m2 = l <= 0.5 ? l * (s + 1) : l + s - l * s;\n    var m1 = l * 2 - m2;\n    rgba = rgba || [];\n    setRgba(rgba, clampCssByte(cssHueToRgb(m1, m2, h + 1 / 3) * 255), clampCssByte(cssHueToRgb(m1, m2, h) * 255), clampCssByte(cssHueToRgb(m1, m2, h - 1 / 3) * 255), 1);\n    if (hsla.length === 4) {\n        rgba[3] = hsla[3];\n    }\n    return rgba;\n}\nfunction rgba2hsla(rgba) {\n    if (!rgba) {\n        return;\n    }\n    var R = rgba[0] / 255;\n    var G = rgba[1] / 255;\n    var B = rgba[2] / 255;\n    var vMin = Math.min(R, G, B);\n    var vMax = Math.max(R, G, B);\n    var delta = vMax - vMin;\n    var L = (vMax + vMin) / 2;\n    var H;\n    var S;\n    if (delta === 0) {\n        H = 0;\n        S = 0;\n    }\n    else {\n        if (L < 0.5) {\n            S = delta / (vMax + vMin);\n        }\n        else {\n            S = delta / (2 - vMax - vMin);\n        }\n        var deltaR = (((vMax - R) / 6) + (delta / 2)) / delta;\n        var deltaG = (((vMax - G) / 6) + (delta / 2)) / delta;\n        var deltaB = (((vMax - B) / 6) + (delta / 2)) / delta;\n        if (R === vMax) {\n            H = deltaB - deltaG;\n        }\n        else if (G === vMax) {\n            H = (1 / 3) + deltaR - deltaB;\n        }\n        else if (B === vMax) {\n            H = (2 / 3) + deltaG - deltaR;\n        }\n        if (H < 0) {\n            H += 1;\n        }\n        if (H > 1) {\n            H -= 1;\n        }\n    }\n    var hsla = [H * 360, S, L];\n    if (rgba[3] != null) {\n        hsla.push(rgba[3]);\n    }\n    return hsla;\n}\nexport function lift(color, level) {\n    var colorArr = parse(color);\n    if (colorArr) {\n        for (var i = 0; i < 3; i++) {\n            if (level < 0) {\n                colorArr[i] = colorArr[i] * (1 - level) | 0;\n            }\n            else {\n                colorArr[i] = ((255 - colorArr[i]) * level + colorArr[i]) | 0;\n            }\n            if (colorArr[i] > 255) {\n                colorArr[i] = 255;\n            }\n            else if (colorArr[i] < 0) {\n                colorArr[i] = 0;\n            }\n        }\n        return stringify(colorArr, colorArr.length === 4 ? 'rgba' : 'rgb');\n    }\n}\nexport function toHex(color) {\n    var colorArr = parse(color);\n    if (colorArr) {\n        return ((1 << 24) + (colorArr[0] << 16) + (colorArr[1] << 8) + (+colorArr[2])).toString(16).slice(1);\n    }\n}\nexport function fastLerp(normalizedValue, colors, out) {\n    if (!(colors && colors.length)\n        || !(normalizedValue >= 0 && normalizedValue <= 1)) {\n        return;\n    }\n    out = out || [];\n    var value = normalizedValue * (colors.length - 1);\n    var leftIndex = Math.floor(value);\n    var rightIndex = Math.ceil(value);\n    var leftColor = colors[leftIndex];\n    var rightColor = colors[rightIndex];\n    var dv = value - leftIndex;\n    out[0] = clampCssByte(lerpNumber(leftColor[0], rightColor[0], dv));\n    out[1] = clampCssByte(lerpNumber(leftColor[1], rightColor[1], dv));\n    out[2] = clampCssByte(lerpNumber(leftColor[2], rightColor[2], dv));\n    out[3] = clampCssFloat(lerpNumber(leftColor[3], rightColor[3], dv));\n    return out;\n}\nexport var fastMapToColor = fastLerp;\nexport function lerp(normalizedValue, colors, fullOutput) {\n    if (!(colors && colors.length)\n        || !(normalizedValue >= 0 && normalizedValue <= 1)) {\n        return;\n    }\n    var value = normalizedValue * (colors.length - 1);\n    var leftIndex = Math.floor(value);\n    var rightIndex = Math.ceil(value);\n    var leftColor = parse(colors[leftIndex]);\n    var rightColor = parse(colors[rightIndex]);\n    var dv = value - leftIndex;\n    var color = stringify([\n        clampCssByte(lerpNumber(leftColor[0], rightColor[0], dv)),\n        clampCssByte(lerpNumber(leftColor[1], rightColor[1], dv)),\n        clampCssByte(lerpNumber(leftColor[2], rightColor[2], dv)),\n        clampCssFloat(lerpNumber(leftColor[3], rightColor[3], dv))\n    ], 'rgba');\n    return fullOutput\n        ? {\n            color: color,\n            leftIndex: leftIndex,\n            rightIndex: rightIndex,\n            value: value\n        }\n        : color;\n}\nexport var mapToColor = lerp;\nexport function modifyHSL(color, h, s, l) {\n    var colorArr = parse(color);\n    if (color) {\n        colorArr = rgba2hsla(colorArr);\n        h != null && (colorArr[0] = clampCssAngle(h));\n        s != null && (colorArr[1] = parseCssFloat(s));\n        l != null && (colorArr[2] = parseCssFloat(l));\n        return stringify(hsla2rgba(colorArr), 'rgba');\n    }\n}\nexport function modifyAlpha(color, alpha) {\n    var colorArr = parse(color);\n    if (colorArr && alpha != null) {\n        colorArr[3] = clampCssFloat(alpha);\n        return stringify(colorArr, 'rgba');\n    }\n}\nexport function stringify(arrColor, type) {\n    if (!arrColor || !arrColor.length) {\n        return;\n    }\n    var colorStr = arrColor[0] + ',' + arrColor[1] + ',' + arrColor[2];\n    if (type === 'rgba' || type === 'hsva' || type === 'hsla') {\n        colorStr += ',' + arrColor[3];\n    }\n    return type + '(' + colorStr + ')';\n}\nexport function lum(color, backgroundLum) {\n    var arr = parse(color);\n    return arr\n        ? (0.299 * arr[0] + 0.587 * arr[1] + 0.114 * arr[2]) * arr[3] / 255\n            + (1 - arr[3]) * backgroundLum\n        : 0;\n}\nexport function random() {\n    var r = Math.round(Math.random() * 255);\n    var g = Math.round(Math.random() * 255);\n    var b = Math.round(Math.random() * 255);\n    return 'rgb(' + r + ',' + g + ',' + b + ')';\n}\n","var Gradient = (function () {\n    function Gradient(colorStops) {\n        this.colorStops = colorStops || [];\n    }\n    Gradient.prototype.addColorStop = function (offset, color) {\n        this.colorStops.push({\n            offset: offset,\n            color: color\n        });\n    };\n    return Gradient;\n}());\nexport default Gradient;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport makeStyleMapper from './makeStyleMapper';\nexport var AREA_STYLE_KEY_MAP = [['fill', 'color'], ['shadowBlur'], ['shadowOffsetX'], ['shadowOffsetY'], ['opacity'], ['shadowColor'] // Option decal is in `DecalObject` but style.decal is in `PatternObject`.\n// So do not transfer decal directly.\n];\nvar getAreaStyle = makeStyleMapper(AREA_STYLE_KEY_MAP);\n\nvar AreaStyleMixin =\n/** @class */\nfunction () {\n  function AreaStyleMixin() {}\n\n  AreaStyleMixin.prototype.getAreaStyle = function (excludes, includes) {\n    return getAreaStyle(this, excludes, includes);\n  };\n\n  return AreaStyleMixin;\n}();\n\n;\nexport { AreaStyleMixin };","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { getFont } from '../../label/labelStyle';\nimport ZRText from 'zrender/lib/graphic/Text';\nvar PATH_COLOR = ['textStyle', 'color']; // TODO Performance improvement?\n\nvar tmpRichText = new ZRText();\n\nvar TextStyleMixin =\n/** @class */\nfunction () {\n  function TextStyleMixin() {}\n  /**\n   * Get color property or get color from option.textStyle.color\n   */\n  // TODO Callback\n\n\n  TextStyleMixin.prototype.getTextColor = function (isEmphasis) {\n    var ecModel = this.ecModel;\n    return this.getShallow('color') || (!isEmphasis && ecModel ? ecModel.get(PATH_COLOR) : null);\n  };\n  /**\n   * Create font string from fontStyle, fontWeight, fontSize, fontFamily\n   * @return {string}\n   */\n\n\n  TextStyleMixin.prototype.getFont = function () {\n    return getFont({\n      fontStyle: this.getShallow('fontStyle'),\n      fontWeight: this.getShallow('fontWeight'),\n      fontSize: this.getShallow('fontSize'),\n      fontFamily: this.getShallow('fontFamily')\n    }, this.ecModel);\n  };\n\n  TextStyleMixin.prototype.getTextRect = function (text) {\n    tmpRichText.useStyle({\n      text: text,\n      fontStyle: this.getShallow('fontStyle'),\n      fontWeight: this.getShallow('fontWeight'),\n      fontSize: this.getShallow('fontSize'),\n      fontFamily: this.getShallow('fontFamily'),\n      verticalAlign: this.getShallow('verticalAlign') || this.getShallow('baseline'),\n      padding: this.getShallow('padding'),\n      lineHeight: this.getShallow('lineHeight'),\n      rich: this.getShallow('rich')\n    });\n    tmpRichText.update();\n    return tmpRichText.getBoundingRect();\n  };\n\n  return TextStyleMixin;\n}();\n\n;\nexport default TextStyleMixin;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport env from 'zrender/lib/core/env';\nimport { enableClassExtend, enableClassCheck } from '../util/clazz';\nimport { AreaStyleMixin } from './mixin/areaStyle';\nimport TextStyleMixin from './mixin/textStyle';\nimport { LineStyleMixin } from './mixin/lineStyle';\nimport { ItemStyleMixin } from './mixin/itemStyle';\nimport { mixin, clone, merge } from 'zrender/lib/core/util';\n\nvar Model =\n/** @class */\nfunction () {\n  function Model(option, parentModel, ecModel) {\n    this.parentModel = parentModel;\n    this.ecModel = ecModel;\n    this.option = option; // Simple optimization\n    // if (this.init) {\n    //     if (arguments.length <= 4) {\n    //         this.init(option, parentModel, ecModel, extraOpt);\n    //     }\n    //     else {\n    //         this.init.apply(this, arguments);\n    //     }\n    // }\n  }\n\n  Model.prototype.init = function (option, parentModel, ecModel) {\n    var rest = [];\n\n    for (var _i = 3; _i < arguments.length; _i++) {\n      rest[_i - 3] = arguments[_i];\n    }\n  };\n  /**\n   * Merge the input option to me.\n   */\n\n\n  Model.prototype.mergeOption = function (option, ecModel) {\n    merge(this.option, option, true);\n  }; // `path` can be 'xxx.yyy.zzz', so the return value type have to be `ModelOption`\n  // TODO: TYPE strict key check?\n  // get(path: string | string[], ignoreParent?: boolean): ModelOption;\n\n\n  Model.prototype.get = function (path, ignoreParent) {\n    if (path == null) {\n      return this.option;\n    }\n\n    return this._doGet(this.parsePath(path), !ignoreParent && this.parentModel);\n  };\n\n  Model.prototype.getShallow = function (key, ignoreParent) {\n    var option = this.option;\n    var val = option == null ? option : option[key];\n\n    if (val == null && !ignoreParent) {\n      var parentModel = this.parentModel;\n\n      if (parentModel) {\n        // FIXME:TS do not know how to make it works\n        val = parentModel.getShallow(key);\n      }\n    }\n\n    return val;\n  }; // `path` can be 'xxx.yyy.zzz', so the return value type have to be `Model<ModelOption>`\n  // getModel(path: string | string[], parentModel?: Model): Model;\n  // TODO 'xxx.yyy.zzz' is deprecated\n\n\n  Model.prototype.getModel = function (path, parentModel) {\n    var hasPath = path != null;\n    var pathFinal = hasPath ? this.parsePath(path) : null;\n    var obj = hasPath ? this._doGet(pathFinal) : this.option;\n    parentModel = parentModel || this.parentModel && this.parentModel.getModel(this.resolveParentPath(pathFinal));\n    return new Model(obj, parentModel, this.ecModel);\n  };\n  /**\n   * Squash option stack into one.\n   * parentModel will be removed after squashed.\n   *\n   * NOTE: resolveParentPath will not be applied here for simplicity. DON'T use this function\n   * if resolveParentPath is modified.\n   *\n   * @param deepMerge If do deep merge. Default to be false.\n   */\n  // squash(\n  //     deepMerge?: boolean,\n  //     handleCallback?: (func: () => object) => object\n  // ) {\n  //     const optionStack = [];\n  //     let model: Model = this;\n  //     while (model) {\n  //         if (model.option) {\n  //             optionStack.push(model.option);\n  //         }\n  //         model = model.parentModel;\n  //     }\n  //     const newOption = {} as Opt;\n  //     let option;\n  //     while (option = optionStack.pop()) {    // Top down merge\n  //         if (isFunction(option) && handleCallback) {\n  //             option = handleCallback(option);\n  //         }\n  //         if (deepMerge) {\n  //             merge(newOption, option);\n  //         }\n  //         else {\n  //             extend(newOption, option);\n  //         }\n  //     }\n  //     // Remove parentModel\n  //     this.option = newOption;\n  //     this.parentModel = null;\n  // }\n\n  /**\n   * If model has option\n   */\n\n\n  Model.prototype.isEmpty = function () {\n    return this.option == null;\n  };\n\n  Model.prototype.restoreData = function () {}; // Pending\n\n\n  Model.prototype.clone = function () {\n    var Ctor = this.constructor;\n    return new Ctor(clone(this.option));\n  }; // setReadOnly(properties): void {\n  // clazzUtil.setReadOnly(this, properties);\n  // }\n  // If path is null/undefined, return null/undefined.\n\n\n  Model.prototype.parsePath = function (path) {\n    if (typeof path === 'string') {\n      return path.split('.');\n    }\n\n    return path;\n  }; // Resolve path for parent. Perhaps useful when parent use a different property.\n  // Default to be a identity resolver.\n  // Can be modified to a different resolver.\n\n\n  Model.prototype.resolveParentPath = function (path) {\n    return path;\n  }; // FIXME:TS check whether put this method here\n\n\n  Model.prototype.isAnimationEnabled = function () {\n    if (!env.node && this.option) {\n      if (this.option.animation != null) {\n        return !!this.option.animation;\n      } else if (this.parentModel) {\n        return this.parentModel.isAnimationEnabled();\n      }\n    }\n  };\n\n  Model.prototype._doGet = function (pathArr, parentModel) {\n    var obj = this.option;\n\n    if (!pathArr) {\n      return obj;\n    }\n\n    for (var i = 0; i < pathArr.length; i++) {\n      // Ignore empty\n      if (!pathArr[i]) {\n        continue;\n      } // obj could be number/string/... (like 0)\n\n\n      obj = obj && typeof obj === 'object' ? obj[pathArr[i]] : null;\n\n      if (obj == null) {\n        break;\n      }\n    }\n\n    if (obj == null && parentModel) {\n      obj = parentModel._doGet(this.resolveParentPath(pathArr), parentModel.parentModel);\n    }\n\n    return obj;\n  };\n\n  return Model;\n}();\n\n; // Enable Model.extend.\n\nenableClassExtend(Model);\nenableClassCheck(Model);\nmixin(Model, LineStyleMixin);\nmixin(Model, ItemStyleMixin);\nmixin(Model, AreaStyleMixin);\nmixin(Model, TextStyleMixin);\nexport default Model;","var wmUniqueIndex = Math.round(Math.random() * 9);\nvar WeakMap = (function () {\n    function WeakMap() {\n        this._id = '__ec_inner_' + wmUniqueIndex++;\n    }\n    WeakMap.prototype.get = function (key) {\n        return this._guard(key)[this._id];\n    };\n    WeakMap.prototype.set = function (key, value) {\n        var target = this._guard(key);\n        if (typeof Object.defineProperty === 'function') {\n            Object.defineProperty(target, this._id, {\n                value: value,\n                enumerable: false,\n                configurable: true\n            });\n        }\n        else {\n            target[this._id] = value;\n        }\n        return this;\n    };\n    WeakMap.prototype[\"delete\"] = function (key) {\n        if (this.has(key)) {\n            delete this._guard(key)[this._id];\n            return true;\n        }\n        return false;\n    };\n    WeakMap.prototype.has = function (key) {\n        return !!this._guard(key)[this._id];\n    };\n    WeakMap.prototype._guard = function (key) {\n        if (key !== Object(key)) {\n            throw TypeError('Value of WeakMap is not a non-null object.');\n        }\n        return key;\n    };\n    return WeakMap;\n}());\nexport default WeakMap;\n","import { __extends } from \"tslib\";\nimport Path from '../Path';\nvar RingShape = (function () {\n    function RingShape() {\n        this.cx = 0;\n        this.cy = 0;\n        this.r = 0;\n        this.r0 = 0;\n    }\n    return RingShape;\n}());\nexport { RingShape };\nvar Ring = (function (_super) {\n    __extends(Ring, _super);\n    function Ring(opts) {\n        return _super.call(this, opts) || this;\n    }\n    Ring.prototype.getDefaultShape = function () {\n        return new RingShape();\n    };\n    Ring.prototype.buildPath = function (ctx, shape) {\n        var x = shape.cx;\n        var y = shape.cy;\n        var PI2 = Math.PI * 2;\n        ctx.moveTo(x + shape.r, y);\n        ctx.arc(x, y, shape.r, 0, PI2, false);\n        ctx.moveTo(x + shape.r0, y);\n        ctx.arc(x, y, shape.r0, 0, PI2, true);\n    };\n    return Ring;\n}(Path));\nRing.prototype.type = 'ring';\nexport default Ring;\n","import { async } from '../scheduler/async';\nimport { audit } from './audit';\nimport { timer } from '../observable/timer';\nimport { MonoTypeOperatorFunction, SchedulerLike } from '../types';\n\n/**\n * Ignores source values for `duration` milliseconds, then emits the most recent\n * value from the source Observable, then repeats this process.\n *\n * <span class=\"informal\">When it sees a source value, it ignores that plus\n * the next ones for `duration` milliseconds, and then it emits the most recent\n * value from the source.</span>\n *\n * ![](auditTime.png)\n *\n * `auditTime` is similar to `throttleTime`, but emits the last value from the\n * silenced time window, instead of the first value. `auditTime` emits the most\n * recent value from the source Observable on the output Observable as soon as\n * its internal timer becomes disabled, and ignores source values while the\n * timer is enabled. Initially, the timer is disabled. As soon as the first\n * source value arrives, the timer is enabled. After `duration` milliseconds (or\n * the time unit determined internally by the optional `scheduler`) has passed,\n * the timer is disabled, then the most recent source value is emitted on the\n * output Observable, and this process repeats for the next source value.\n * Optionally takes a {@link SchedulerLike} for managing timers.\n *\n * ## Example\n *\n * Emit clicks at a rate of at most one click per second\n * ```ts\n * import { fromEvent } from 'rxjs';\n * import { auditTime } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(auditTime(1000));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link audit}\n * @see {@link debounceTime}\n * @see {@link delay}\n * @see {@link sampleTime}\n * @see {@link throttleTime}\n *\n * @param {number} duration Time to wait before emitting the most recent source\n * value, measured in milliseconds or the time unit determined internally\n * by the optional `scheduler`.\n * @param {SchedulerLike} [scheduler=async] The {@link SchedulerLike} to use for\n * managing the timers that handle the rate-limiting behavior.\n * @return {Observable<T>} An Observable that performs rate-limiting of\n * emissions from the source Observable.\n * @method auditTime\n * @owner Observable\n */\nexport function auditTime<T>(duration: number, scheduler: SchedulerLike = async): MonoTypeOperatorFunction<T> {\n  return audit(() => timer(duration, scheduler));\n}\n","import { Observable } from '../Observable';\nimport { multicast } from './multicast';\nimport { refCount } from './refCount';\nimport { Subject } from '../Subject';\n\nimport { MonoTypeOperatorFunction } from '../types';\n\nfunction shareSubjectFactory() {\n  return new Subject();\n}\n\n/**\n * Returns a new Observable that multicasts (shares) the original Observable. As long as there is at least one\n * Subscriber this Observable will be subscribed and emitting data. When all subscribers have unsubscribed it will\n * unsubscribe from the source Observable. Because the Observable is multicasting it makes the stream `hot`.\n * This is an alias for `multicast(() => new Subject()), refCount()`.\n *\n * ![](share.png)\n *\n * @return {Observable<T>} An Observable that upon connection causes the source Observable to emit items to its Observers.\n * @method share\n * @owner Observable\n */\nexport function share<T>(): MonoTypeOperatorFunction<T> {\n  return (source: Observable<T>) => refCount()(multicast(shareSubjectFactory)(source)) as Observable<T>;\n}\n","import { __extends } from \"tslib\";\nimport Gradient from './Gradient';\nvar LinearGradient = (function (_super) {\n    __extends(LinearGradient, _super);\n    function LinearGradient(x, y, x2, y2, colorStops, globalCoord) {\n        var _this = _super.call(this, colorStops) || this;\n        _this.x = x == null ? 0 : x;\n        _this.y = y == null ? 0 : y;\n        _this.x2 = x2 == null ? 1 : x2;\n        _this.y2 = y2 == null ? 0 : y2;\n        _this.type = 'linear';\n        _this.global = globalCoord || false;\n        return _this;\n    }\n    return LinearGradient;\n}(Gradient));\nexport default LinearGradient;\n;\n","import { create as v2Create, distSquare as v2DistSquare } from './vector';\nvar mathPow = Math.pow;\nvar mathSqrt = Math.sqrt;\nvar EPSILON = 1e-8;\nvar EPSILON_NUMERIC = 1e-4;\nvar THREE_SQRT = mathSqrt(3);\nvar ONE_THIRD = 1 / 3;\nvar _v0 = v2Create();\nvar _v1 = v2Create();\nvar _v2 = v2Create();\nfunction isAroundZero(val) {\n    return val > -EPSILON && val < EPSILON;\n}\nfunction isNotAroundZero(val) {\n    return val > EPSILON || val < -EPSILON;\n}\nexport function cubicAt(p0, p1, p2, p3, t) {\n    var onet = 1 - t;\n    return onet * onet * (onet * p0 + 3 * t * p1)\n        + t * t * (t * p3 + 3 * onet * p2);\n}\nexport function cubicDerivativeAt(p0, p1, p2, p3, t) {\n    var onet = 1 - t;\n    return 3 * (((p1 - p0) * onet + 2 * (p2 - p1) * t) * onet\n        + (p3 - p2) * t * t);\n}\nexport function cubicRootAt(p0, p1, p2, p3, val, roots) {\n    var a = p3 + 3 * (p1 - p2) - p0;\n    var b = 3 * (p2 - p1 * 2 + p0);\n    var c = 3 * (p1 - p0);\n    var d = p0 - val;\n    var A = b * b - 3 * a * c;\n    var B = b * c - 9 * a * d;\n    var C = c * c - 3 * b * d;\n    var n = 0;\n    if (isAroundZero(A) && isAroundZero(B)) {\n        if (isAroundZero(b)) {\n            roots[0] = 0;\n        }\n        else {\n            var t1 = -c / b;\n            if (t1 >= 0 && t1 <= 1) {\n                roots[n++] = t1;\n            }\n        }\n    }\n    else {\n        var disc = B * B - 4 * A * C;\n        if (isAroundZero(disc)) {\n            var K = B / A;\n            var t1 = -b / a + K;\n            var t2 = -K / 2;\n            if (t1 >= 0 && t1 <= 1) {\n                roots[n++] = t1;\n            }\n            if (t2 >= 0 && t2 <= 1) {\n                roots[n++] = t2;\n            }\n        }\n        else if (disc > 0) {\n            var discSqrt = mathSqrt(disc);\n            var Y1 = A * b + 1.5 * a * (-B + discSqrt);\n            var Y2 = A * b + 1.5 * a * (-B - discSqrt);\n            if (Y1 < 0) {\n                Y1 = -mathPow(-Y1, ONE_THIRD);\n            }\n            else {\n                Y1 = mathPow(Y1, ONE_THIRD);\n            }\n            if (Y2 < 0) {\n                Y2 = -mathPow(-Y2, ONE_THIRD);\n            }\n            else {\n                Y2 = mathPow(Y2, ONE_THIRD);\n            }\n            var t1 = (-b - (Y1 + Y2)) / (3 * a);\n            if (t1 >= 0 && t1 <= 1) {\n                roots[n++] = t1;\n            }\n        }\n        else {\n            var T = (2 * A * b - 3 * a * B) / (2 * mathSqrt(A * A * A));\n            var theta = Math.acos(T) / 3;\n            var ASqrt = mathSqrt(A);\n            var tmp = Math.cos(theta);\n            var t1 = (-b - 2 * ASqrt * tmp) / (3 * a);\n            var t2 = (-b + ASqrt * (tmp + THREE_SQRT * Math.sin(theta))) / (3 * a);\n            var t3 = (-b + ASqrt * (tmp - THREE_SQRT * Math.sin(theta))) / (3 * a);\n            if (t1 >= 0 && t1 <= 1) {\n                roots[n++] = t1;\n            }\n            if (t2 >= 0 && t2 <= 1) {\n                roots[n++] = t2;\n            }\n            if (t3 >= 0 && t3 <= 1) {\n                roots[n++] = t3;\n            }\n        }\n    }\n    return n;\n}\nexport function cubicExtrema(p0, p1, p2, p3, extrema) {\n    var b = 6 * p2 - 12 * p1 + 6 * p0;\n    var a = 9 * p1 + 3 * p3 - 3 * p0 - 9 * p2;\n    var c = 3 * p1 - 3 * p0;\n    var n = 0;\n    if (isAroundZero(a)) {\n        if (isNotAroundZero(b)) {\n            var t1 = -c / b;\n            if (t1 >= 0 && t1 <= 1) {\n                extrema[n++] = t1;\n            }\n        }\n    }\n    else {\n        var disc = b * b - 4 * a * c;\n        if (isAroundZero(disc)) {\n            extrema[0] = -b / (2 * a);\n        }\n        else if (disc > 0) {\n            var discSqrt = mathSqrt(disc);\n            var t1 = (-b + discSqrt) / (2 * a);\n            var t2 = (-b - discSqrt) / (2 * a);\n            if (t1 >= 0 && t1 <= 1) {\n                extrema[n++] = t1;\n            }\n            if (t2 >= 0 && t2 <= 1) {\n                extrema[n++] = t2;\n            }\n        }\n    }\n    return n;\n}\nexport function cubicSubdivide(p0, p1, p2, p3, t, out) {\n    var p01 = (p1 - p0) * t + p0;\n    var p12 = (p2 - p1) * t + p1;\n    var p23 = (p3 - p2) * t + p2;\n    var p012 = (p12 - p01) * t + p01;\n    var p123 = (p23 - p12) * t + p12;\n    var p0123 = (p123 - p012) * t + p012;\n    out[0] = p0;\n    out[1] = p01;\n    out[2] = p012;\n    out[3] = p0123;\n    out[4] = p0123;\n    out[5] = p123;\n    out[6] = p23;\n    out[7] = p3;\n}\nexport function cubicProjectPoint(x0, y0, x1, y1, x2, y2, x3, y3, x, y, out) {\n    var t;\n    var interval = 0.005;\n    var d = Infinity;\n    var prev;\n    var next;\n    var d1;\n    var d2;\n    _v0[0] = x;\n    _v0[1] = y;\n    for (var _t = 0; _t < 1; _t += 0.05) {\n        _v1[0] = cubicAt(x0, x1, x2, x3, _t);\n        _v1[1] = cubicAt(y0, y1, y2, y3, _t);\n        d1 = v2DistSquare(_v0, _v1);\n        if (d1 < d) {\n            t = _t;\n            d = d1;\n        }\n    }\n    d = Infinity;\n    for (var i = 0; i < 32; i++) {\n        if (interval < EPSILON_NUMERIC) {\n            break;\n        }\n        prev = t - interval;\n        next = t + interval;\n        _v1[0] = cubicAt(x0, x1, x2, x3, prev);\n        _v1[1] = cubicAt(y0, y1, y2, y3, prev);\n        d1 = v2DistSquare(_v1, _v0);\n        if (prev >= 0 && d1 < d) {\n            t = prev;\n            d = d1;\n        }\n        else {\n            _v2[0] = cubicAt(x0, x1, x2, x3, next);\n            _v2[1] = cubicAt(y0, y1, y2, y3, next);\n            d2 = v2DistSquare(_v2, _v0);\n            if (next <= 1 && d2 < d) {\n                t = next;\n                d = d2;\n            }\n            else {\n                interval *= 0.5;\n            }\n        }\n    }\n    if (out) {\n        out[0] = cubicAt(x0, x1, x2, x3, t);\n        out[1] = cubicAt(y0, y1, y2, y3, t);\n    }\n    return mathSqrt(d);\n}\nexport function cubicLength(x0, y0, x1, y1, x2, y2, x3, y3, iteration) {\n    var px = x0;\n    var py = y0;\n    var d = 0;\n    var step = 1 / iteration;\n    for (var i = 1; i <= iteration; i++) {\n        var t = i * step;\n        var x = cubicAt(x0, x1, x2, x3, t);\n        var y = cubicAt(y0, y1, y2, y3, t);\n        var dx = x - px;\n        var dy = y - py;\n        d += Math.sqrt(dx * dx + dy * dy);\n        px = x;\n        py = y;\n    }\n    return d;\n}\nexport function quadraticAt(p0, p1, p2, t) {\n    var onet = 1 - t;\n    return onet * (onet * p0 + 2 * t * p1) + t * t * p2;\n}\nexport function quadraticDerivativeAt(p0, p1, p2, t) {\n    return 2 * ((1 - t) * (p1 - p0) + t * (p2 - p1));\n}\nexport function quadraticRootAt(p0, p1, p2, val, roots) {\n    var a = p0 - 2 * p1 + p2;\n    var b = 2 * (p1 - p0);\n    var c = p0 - val;\n    var n = 0;\n    if (isAroundZero(a)) {\n        if (isNotAroundZero(b)) {\n            var t1 = -c / b;\n            if (t1 >= 0 && t1 <= 1) {\n                roots[n++] = t1;\n            }\n        }\n    }\n    else {\n        var disc = b * b - 4 * a * c;\n        if (isAroundZero(disc)) {\n            var t1 = -b / (2 * a);\n            if (t1 >= 0 && t1 <= 1) {\n                roots[n++] = t1;\n            }\n        }\n        else if (disc > 0) {\n            var discSqrt = mathSqrt(disc);\n            var t1 = (-b + discSqrt) / (2 * a);\n            var t2 = (-b - discSqrt) / (2 * a);\n            if (t1 >= 0 && t1 <= 1) {\n                roots[n++] = t1;\n            }\n            if (t2 >= 0 && t2 <= 1) {\n                roots[n++] = t2;\n            }\n        }\n    }\n    return n;\n}\nexport function quadraticExtremum(p0, p1, p2) {\n    var divider = p0 + p2 - 2 * p1;\n    if (divider === 0) {\n        return 0.5;\n    }\n    else {\n        return (p0 - p1) / divider;\n    }\n}\nexport function quadraticSubdivide(p0, p1, p2, t, out) {\n    var p01 = (p1 - p0) * t + p0;\n    var p12 = (p2 - p1) * t + p1;\n    var p012 = (p12 - p01) * t + p01;\n    out[0] = p0;\n    out[1] = p01;\n    out[2] = p012;\n    out[3] = p012;\n    out[4] = p12;\n    out[5] = p2;\n}\nexport function quadraticProjectPoint(x0, y0, x1, y1, x2, y2, x, y, out) {\n    var t;\n    var interval = 0.005;\n    var d = Infinity;\n    _v0[0] = x;\n    _v0[1] = y;\n    for (var _t = 0; _t < 1; _t += 0.05) {\n        _v1[0] = quadraticAt(x0, x1, x2, _t);\n        _v1[1] = quadraticAt(y0, y1, y2, _t);\n        var d1 = v2DistSquare(_v0, _v1);\n        if (d1 < d) {\n            t = _t;\n            d = d1;\n        }\n    }\n    d = Infinity;\n    for (var i = 0; i < 32; i++) {\n        if (interval < EPSILON_NUMERIC) {\n            break;\n        }\n        var prev = t - interval;\n        var next = t + interval;\n        _v1[0] = quadraticAt(x0, x1, x2, prev);\n        _v1[1] = quadraticAt(y0, y1, y2, prev);\n        var d1 = v2DistSquare(_v1, _v0);\n        if (prev >= 0 && d1 < d) {\n            t = prev;\n            d = d1;\n        }\n        else {\n            _v2[0] = quadraticAt(x0, x1, x2, next);\n            _v2[1] = quadraticAt(y0, y1, y2, next);\n            var d2 = v2DistSquare(_v2, _v0);\n            if (next <= 1 && d2 < d) {\n                t = next;\n                d = d2;\n            }\n            else {\n                interval *= 0.5;\n            }\n        }\n    }\n    if (out) {\n        out[0] = quadraticAt(x0, x1, x2, t);\n        out[1] = quadraticAt(y0, y1, y2, t);\n    }\n    return mathSqrt(d);\n}\nexport function quadraticLength(x0, y0, x1, y1, x2, y2, iteration) {\n    var px = x0;\n    var py = y0;\n    var d = 0;\n    var step = 1 / iteration;\n    for (var i = 1; i <= iteration; i++) {\n        var t = i * step;\n        var x = quadraticAt(x0, x1, x2, t);\n        var y = quadraticAt(y0, y1, y2, t);\n        var dx = x - px;\n        var dy = y - py;\n        d += Math.sqrt(dx * dx + dy * dy);\n        px = x;\n        py = y;\n    }\n    return d;\n}\n","import { normalizeArcAngles } from '../../core/PathProxy';\nvar PI = Math.PI;\nvar PI2 = PI * 2;\nvar mathSin = Math.sin;\nvar mathCos = Math.cos;\nvar mathACos = Math.acos;\nvar mathATan2 = Math.atan2;\nvar mathAbs = Math.abs;\nvar mathSqrt = Math.sqrt;\nvar mathMax = Math.max;\nvar mathMin = Math.min;\nvar e = 1e-4;\nfunction intersect(x0, y0, x1, y1, x2, y2, x3, y3) {\n    var x10 = x1 - x0;\n    var y10 = y1 - y0;\n    var x32 = x3 - x2;\n    var y32 = y3 - y2;\n    var t = y32 * x10 - x32 * y10;\n    if (t * t < e) {\n        return;\n    }\n    t = (x32 * (y0 - y2) - y32 * (x0 - x2)) / t;\n    return [x0 + t * x10, y0 + t * y10];\n}\nfunction computeCornerTangents(x0, y0, x1, y1, radius, cr, clockwise) {\n    var x01 = x0 - x1;\n    var y01 = y0 - y1;\n    var lo = (clockwise ? cr : -cr) / mathSqrt(x01 * x01 + y01 * y01);\n    var ox = lo * y01;\n    var oy = -lo * x01;\n    var x11 = x0 + ox;\n    var y11 = y0 + oy;\n    var x10 = x1 + ox;\n    var y10 = y1 + oy;\n    var x00 = (x11 + x10) / 2;\n    var y00 = (y11 + y10) / 2;\n    var dx = x10 - x11;\n    var dy = y10 - y11;\n    var d2 = dx * dx + dy * dy;\n    var r = radius - cr;\n    var s = x11 * y10 - x10 * y11;\n    var d = (dy < 0 ? -1 : 1) * mathSqrt(mathMax(0, r * r * d2 - s * s));\n    var cx0 = (s * dy - dx * d) / d2;\n    var cy0 = (-s * dx - dy * d) / d2;\n    var cx1 = (s * dy + dx * d) / d2;\n    var cy1 = (-s * dx + dy * d) / d2;\n    var dx0 = cx0 - x00;\n    var dy0 = cy0 - y00;\n    var dx1 = cx1 - x00;\n    var dy1 = cy1 - y00;\n    if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) {\n        cx0 = cx1;\n        cy0 = cy1;\n    }\n    return {\n        cx: cx0,\n        cy: cy0,\n        x01: -ox,\n        y01: -oy,\n        x11: cx0 * (radius / r - 1),\n        y11: cy0 * (radius / r - 1)\n    };\n}\nexport function buildPath(ctx, shape) {\n    var radius = mathMax(shape.r, 0);\n    var innerRadius = mathMax(shape.r0 || 0, 0);\n    var hasRadius = radius > 0;\n    var hasInnerRadius = innerRadius > 0;\n    if (!hasRadius && !hasInnerRadius) {\n        return;\n    }\n    if (!hasRadius) {\n        radius = innerRadius;\n        innerRadius = 0;\n    }\n    if (innerRadius > radius) {\n        var tmp = radius;\n        radius = innerRadius;\n        innerRadius = tmp;\n    }\n    var clockwise = !!shape.clockwise;\n    var startAngle = shape.startAngle;\n    var endAngle = shape.endAngle;\n    var arc;\n    if (startAngle === endAngle) {\n        arc = 0;\n    }\n    else {\n        var tmpAngles = [startAngle, endAngle];\n        normalizeArcAngles(tmpAngles, !clockwise);\n        arc = mathAbs(tmpAngles[0] - tmpAngles[1]);\n    }\n    var x = shape.cx;\n    var y = shape.cy;\n    var cornerRadius = shape.cornerRadius || 0;\n    var innerCornerRadius = shape.innerCornerRadius || 0;\n    if (!(radius > e)) {\n        ctx.moveTo(x, y);\n    }\n    else if (arc > PI2 - e) {\n        ctx.moveTo(x + radius * mathCos(startAngle), y + radius * mathSin(startAngle));\n        ctx.arc(x, y, radius, startAngle, endAngle, !clockwise);\n        if (innerRadius > e) {\n            ctx.moveTo(x + innerRadius * mathCos(endAngle), y + innerRadius * mathSin(endAngle));\n            ctx.arc(x, y, innerRadius, endAngle, startAngle, clockwise);\n        }\n    }\n    else {\n        var halfRd = mathAbs(radius - innerRadius) / 2;\n        var cr = mathMin(halfRd, cornerRadius);\n        var icr = mathMin(halfRd, innerCornerRadius);\n        var cr0 = icr;\n        var cr1 = cr;\n        var xrs = radius * mathCos(startAngle);\n        var yrs = radius * mathSin(startAngle);\n        var xire = innerRadius * mathCos(endAngle);\n        var yire = innerRadius * mathSin(endAngle);\n        var xre = void 0;\n        var yre = void 0;\n        var xirs = void 0;\n        var yirs = void 0;\n        if (cr > e || icr > e) {\n            xre = radius * mathCos(endAngle);\n            yre = radius * mathSin(endAngle);\n            xirs = innerRadius * mathCos(startAngle);\n            yirs = innerRadius * mathSin(startAngle);\n            if (arc < PI) {\n                var it_1 = intersect(xrs, yrs, xirs, yirs, xre, yre, xire, yire);\n                if (it_1) {\n                    var x0 = xrs - it_1[0];\n                    var y0 = yrs - it_1[1];\n                    var x1 = xre - it_1[0];\n                    var y1 = yre - it_1[1];\n                    var a = 1 / mathSin(mathACos((x0 * x1 + y0 * y1) / (mathSqrt(x0 * x0 + y0 * y0) * mathSqrt(x1 * x1 + y1 * y1))) / 2);\n                    var b = mathSqrt(it_1[0] * it_1[0] + it_1[1] * it_1[1]);\n                    cr0 = mathMin(icr, (innerRadius - b) / (a - 1));\n                    cr1 = mathMin(cr, (radius - b) / (a + 1));\n                }\n            }\n        }\n        if (!(arc > e)) {\n            ctx.moveTo(x + xrs, y + yrs);\n        }\n        else if (cr1 > e) {\n            var ct0 = computeCornerTangents(xirs, yirs, xrs, yrs, radius, cr1, clockwise);\n            var ct1 = computeCornerTangents(xre, yre, xire, yire, radius, cr1, clockwise);\n            ctx.moveTo(x + ct0.cx + ct0.x01, y + ct0.cy + ct0.y01);\n            if (cr1 < cr) {\n                ctx.arc(x + ct0.cx, y + ct0.cy, cr1, mathATan2(ct0.y01, ct0.x01), mathATan2(ct1.y01, ct1.x01), !clockwise);\n            }\n            else {\n                ctx.arc(x + ct0.cx, y + ct0.cy, cr1, mathATan2(ct0.y01, ct0.x01), mathATan2(ct0.y11, ct0.x11), !clockwise);\n                ctx.arc(x, y, radius, mathATan2(ct0.cy + ct0.y11, ct0.cx + ct0.x11), mathATan2(ct1.cy + ct1.y11, ct1.cx + ct1.x11), !clockwise);\n                ctx.arc(x + ct1.cx, y + ct1.cy, cr1, mathATan2(ct1.y11, ct1.x11), mathATan2(ct1.y01, ct1.x01), !clockwise);\n            }\n        }\n        else {\n            ctx.moveTo(x + xrs, y + yrs);\n            ctx.arc(x, y, radius, startAngle, endAngle, !clockwise);\n        }\n        if (!(innerRadius > e) || !(arc > e)) {\n            ctx.lineTo(x + xire, y + yire);\n        }\n        else if (cr0 > e) {\n            var ct0 = computeCornerTangents(xire, yire, xre, yre, innerRadius, -cr0, clockwise);\n            var ct1 = computeCornerTangents(xrs, yrs, xirs, yirs, innerRadius, -cr0, clockwise);\n            ctx.lineTo(x + ct0.cx + ct0.x01, y + ct0.cy + ct0.y01);\n            if (cr0 < icr) {\n                ctx.arc(x + ct0.cx, y + ct0.cy, cr0, mathATan2(ct0.y01, ct0.x01), mathATan2(ct1.y01, ct1.x01), !clockwise);\n            }\n            else {\n                ctx.arc(x + ct0.cx, y + ct0.cy, cr0, mathATan2(ct0.y01, ct0.x01), mathATan2(ct0.y11, ct0.x11), !clockwise);\n                ctx.arc(x, y, innerRadius, mathATan2(ct0.cy + ct0.y11, ct0.cx + ct0.x11), mathATan2(ct1.cy + ct1.y11, ct1.cx + ct1.x11), clockwise);\n                ctx.arc(x + ct1.cx, y + ct1.cy, cr0, mathATan2(ct1.y11, ct1.x11), mathATan2(ct1.y01, ct1.x01), !clockwise);\n            }\n        }\n        else {\n            ctx.lineTo(x + xire, y + yire);\n            ctx.arc(x, y, innerRadius, endAngle, startAngle, clockwise);\n        }\n    }\n    ctx.closePath();\n}\n","import { __extends } from \"tslib\";\nimport Path from '../Path';\nimport * as roundSectorHelper from '../helper/roundSector';\nvar SectorShape = (function () {\n    function SectorShape() {\n        this.cx = 0;\n        this.cy = 0;\n        this.r0 = 0;\n        this.r = 0;\n        this.startAngle = 0;\n        this.endAngle = Math.PI * 2;\n        this.clockwise = true;\n        this.cornerRadius = 0;\n        this.innerCornerRadius = 0;\n    }\n    return SectorShape;\n}());\nexport { SectorShape };\nvar Sector = (function (_super) {\n    __extends(Sector, _super);\n    function Sector(opts) {\n        return _super.call(this, opts) || this;\n    }\n    Sector.prototype.getDefaultShape = function () {\n        return new SectorShape();\n    };\n    Sector.prototype.buildPath = function (ctx, shape) {\n        roundSectorHelper.buildPath(ctx, shape);\n    };\n    Sector.prototype.isZeroArea = function () {\n        return this.shape.startAngle === this.shape.endAngle\n            || this.shape.r === this.shape.r0;\n    };\n    return Sector;\n}(Path));\nSector.prototype.type = 'sector';\nexport default Sector;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends, __spreadArrays } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport env from 'zrender/lib/core/env';\nimport * as modelUtil from '../util/model';\nimport ComponentModel from './Component';\nimport { PaletteMixin } from './mixin/palette';\nimport { DataFormatMixin } from '../model/mixin/dataFormat';\nimport { getLayoutParams, mergeLayoutParam, fetchLayoutMode } from '../util/layout';\nimport { createTask } from '../core/task';\nimport { mountExtend } from '../util/clazz';\nimport { SourceManager } from '../data/helper/sourceManager';\nimport { defaultSeriesFormatTooltip } from '../component/tooltip/seriesFormatTooltip';\nvar inner = modelUtil.makeInner();\n\nfunction getSelectionKey(data, dataIndex) {\n  return data.getName(dataIndex) || data.getId(dataIndex);\n}\n\nvar SeriesModel =\n/** @class */\nfunction (_super) {\n  __extends(SeriesModel, _super);\n\n  function SeriesModel() {\n    // [Caution]: Becuase this class or desecendants can be used as `XXX.extend(subProto)`,\n    // the class members must not be initialized in constructor or declaration place.\n    // Otherwise there is bad case:\n    //   class A {xxx = 1;}\n    //   enableClassExtend(A);\n    //   class B extends A {}\n    //   var C = B.extend({xxx: 5});\n    //   var c = new C();\n    //   console.log(c.xxx); // expect 5 but always 1.\n    var _this = _super !== null && _super.apply(this, arguments) || this; // ---------------------------------------\n    // Props about data selection\n    // ---------------------------------------\n\n\n    _this._selectedDataIndicesMap = {};\n    return _this;\n  }\n\n  SeriesModel.prototype.init = function (option, parentModel, ecModel) {\n    this.seriesIndex = this.componentIndex;\n    this.dataTask = createTask({\n      count: dataTaskCount,\n      reset: dataTaskReset\n    });\n    this.dataTask.context = {\n      model: this\n    };\n    this.mergeDefaultAndTheme(option, ecModel);\n    var sourceManager = inner(this).sourceManager = new SourceManager(this);\n    sourceManager.prepareSource();\n    var data = this.getInitialData(option, ecModel);\n    wrapData(data, this);\n    this.dataTask.context.data = data;\n\n    if (process.env.NODE_ENV !== 'production') {\n      zrUtil.assert(data, 'getInitialData returned invalid data.');\n    }\n\n    inner(this).dataBeforeProcessed = data; // If we reverse the order (make data firstly, and then make\n    // dataBeforeProcessed by cloneShallow), cloneShallow will\n    // cause data.graph.data !== data when using\n    // module:echarts/data/Graph or module:echarts/data/Tree.\n    // See module:echarts/data/helper/linkList\n    // Theoretically, it is unreasonable to call `seriesModel.getData()` in the model\n    // init or merge stage, because the data can be restored. So we do not `restoreData`\n    // and `setData` here, which forbids calling `seriesModel.getData()` in this stage.\n    // Call `seriesModel.getRawData()` instead.\n    // this.restoreData();\n\n    autoSeriesName(this);\n\n    this._initSelectedMapFromData(data);\n  };\n  /**\n   * Util for merge default and theme to option\n   */\n\n\n  SeriesModel.prototype.mergeDefaultAndTheme = function (option, ecModel) {\n    var layoutMode = fetchLayoutMode(this);\n    var inputPositionParams = layoutMode ? getLayoutParams(option) : {}; // Backward compat: using subType on theme.\n    // But if name duplicate between series subType\n    // (for example: parallel) add component mainType,\n    // add suffix 'Series'.\n\n    var themeSubType = this.subType;\n\n    if (ComponentModel.hasClass(themeSubType)) {\n      themeSubType += 'Series';\n    }\n\n    zrUtil.merge(option, ecModel.getTheme().get(this.subType));\n    zrUtil.merge(option, this.getDefaultOption()); // Default label emphasis `show`\n\n    modelUtil.defaultEmphasis(option, 'label', ['show']);\n    this.fillDataTextStyle(option.data);\n\n    if (layoutMode) {\n      mergeLayoutParam(option, inputPositionParams, layoutMode);\n    }\n  };\n\n  SeriesModel.prototype.mergeOption = function (newSeriesOption, ecModel) {\n    // this.settingTask.dirty();\n    newSeriesOption = zrUtil.merge(this.option, newSeriesOption, true);\n    this.fillDataTextStyle(newSeriesOption.data);\n    var layoutMode = fetchLayoutMode(this);\n\n    if (layoutMode) {\n      mergeLayoutParam(this.option, newSeriesOption, layoutMode);\n    }\n\n    var sourceManager = inner(this).sourceManager;\n    sourceManager.dirty();\n    sourceManager.prepareSource();\n    var data = this.getInitialData(newSeriesOption, ecModel);\n    wrapData(data, this);\n    this.dataTask.dirty();\n    this.dataTask.context.data = data;\n    inner(this).dataBeforeProcessed = data;\n    autoSeriesName(this);\n\n    this._initSelectedMapFromData(data);\n  };\n\n  SeriesModel.prototype.fillDataTextStyle = function (data) {\n    // Default data label emphasis `show`\n    // FIXME Tree structure data ?\n    // FIXME Performance ?\n    if (data && !zrUtil.isTypedArray(data)) {\n      var props = ['show'];\n\n      for (var i = 0; i < data.length; i++) {\n        if (data[i] && data[i].label) {\n          modelUtil.defaultEmphasis(data[i], 'label', props);\n        }\n      }\n    }\n  };\n  /**\n   * Init a data structure from data related option in series\n   * Must be overriden.\n   */\n\n\n  SeriesModel.prototype.getInitialData = function (option, ecModel) {\n    return;\n  };\n  /**\n   * Append data to list\n   */\n\n\n  SeriesModel.prototype.appendData = function (params) {\n    // FIXME ???\n    // (1) If data from dataset, forbidden append.\n    // (2) support append data of dataset.\n    var data = this.getRawData();\n    data.appendData(params.data);\n  };\n  /**\n   * Consider some method like `filter`, `map` need make new data,\n   * We should make sure that `seriesModel.getData()` get correct\n   * data in the stream procedure. So we fetch data from upstream\n   * each time `task.perform` called.\n   */\n\n\n  SeriesModel.prototype.getData = function (dataType) {\n    var task = getCurrentTask(this);\n\n    if (task) {\n      var data = task.context.data;\n      return dataType == null ? data : data.getLinkedData(dataType);\n    } else {\n      // When series is not alive (that may happen when click toolbox\n      // restore or setOption with not merge mode), series data may\n      // be still need to judge animation or something when graphic\n      // elements want to know whether fade out.\n      return inner(this).data;\n    }\n  };\n\n  SeriesModel.prototype.getAllData = function () {\n    var mainData = this.getData();\n    return mainData && mainData.getLinkedDataAll ? mainData.getLinkedDataAll() : [{\n      data: mainData\n    }];\n  };\n\n  SeriesModel.prototype.setData = function (data) {\n    var task = getCurrentTask(this);\n\n    if (task) {\n      var context = task.context; // Consider case: filter, data sample.\n      // FIXME:TS never used, so comment it\n      // if (context.data !== data && task.modifyOutputEnd) {\n      //     task.setOutputEnd(data.count());\n      // }\n\n      context.outputData = data; // Caution: setData should update context.data,\n      // Because getData may be called multiply in a\n      // single stage and expect to get the data just\n      // set. (For example, AxisProxy, x y both call\n      // getData and setDate sequentially).\n      // So the context.data should be fetched from\n      // upstream each time when a stage starts to be\n      // performed.\n\n      if (task !== this.dataTask) {\n        context.data = data;\n      }\n    }\n\n    inner(this).data = data;\n  };\n\n  SeriesModel.prototype.getSource = function () {\n    return inner(this).sourceManager.getSource();\n  };\n  /**\n   * Get data before processed\n   */\n\n\n  SeriesModel.prototype.getRawData = function () {\n    return inner(this).dataBeforeProcessed;\n  };\n  /**\n   * Get base axis if has coordinate system and has axis.\n   * By default use coordSys.getBaseAxis();\n   * Can be overrided for some chart.\n   * @return {type} description\n   */\n\n\n  SeriesModel.prototype.getBaseAxis = function () {\n    var coordSys = this.coordinateSystem; // @ts-ignore\n\n    return coordSys && coordSys.getBaseAxis && coordSys.getBaseAxis();\n  };\n  /**\n   * Default tooltip formatter\n   *\n   * @param dataIndex\n   * @param multipleSeries\n   * @param dataType\n   * @param renderMode valid values: 'html'(by default) and 'richText'.\n   *        'html' is used for rendering tooltip in extra DOM form, and the result\n   *        string is used as DOM HTML content.\n   *        'richText' is used for rendering tooltip in rich text form, for those where\n   *        DOM operation is not supported.\n   * @return formatted tooltip with `html` and `markers`\n   *        Notice: The override method can also return string\n   */\n\n\n  SeriesModel.prototype.formatTooltip = function (dataIndex, multipleSeries, dataType) {\n    return defaultSeriesFormatTooltip({\n      series: this,\n      dataIndex: dataIndex,\n      multipleSeries: multipleSeries\n    });\n  };\n\n  SeriesModel.prototype.isAnimationEnabled = function () {\n    if (env.node) {\n      return false;\n    }\n\n    var animationEnabled = this.getShallow('animation');\n\n    if (animationEnabled) {\n      if (this.getData().count() > this.getShallow('animationThreshold')) {\n        animationEnabled = false;\n      }\n    }\n\n    return !!animationEnabled;\n  };\n\n  SeriesModel.prototype.restoreData = function () {\n    this.dataTask.dirty();\n  };\n\n  SeriesModel.prototype.getColorFromPalette = function (name, scope, requestColorNum) {\n    var ecModel = this.ecModel; // PENDING\n\n    var color = PaletteMixin.prototype.getColorFromPalette.call(this, name, scope, requestColorNum);\n\n    if (!color) {\n      color = ecModel.getColorFromPalette(name, scope, requestColorNum);\n    }\n\n    return color;\n  };\n  /**\n   * Use `data.mapDimensionsAll(coordDim)` instead.\n   * @deprecated\n   */\n\n\n  SeriesModel.prototype.coordDimToDataDim = function (coordDim) {\n    return this.getRawData().mapDimensionsAll(coordDim);\n  };\n  /**\n   * Get progressive rendering count each step\n   */\n\n\n  SeriesModel.prototype.getProgressive = function () {\n    return this.get('progressive');\n  };\n  /**\n   * Get progressive rendering count each step\n   */\n\n\n  SeriesModel.prototype.getProgressiveThreshold = function () {\n    return this.get('progressiveThreshold');\n  }; // PENGING If selectedMode is null ?\n\n\n  SeriesModel.prototype.select = function (innerDataIndices, dataType) {\n    this._innerSelect(this.getData(dataType), innerDataIndices);\n  };\n\n  SeriesModel.prototype.unselect = function (innerDataIndices, dataType) {\n    var selectedMap = this.option.selectedMap;\n\n    if (!selectedMap) {\n      return;\n    }\n\n    var data = this.getData(dataType);\n\n    for (var i = 0; i < innerDataIndices.length; i++) {\n      var dataIndex = innerDataIndices[i];\n      var nameOrId = getSelectionKey(data, dataIndex);\n      selectedMap[nameOrId] = false;\n      this._selectedDataIndicesMap[nameOrId] = -1;\n    }\n  };\n\n  SeriesModel.prototype.toggleSelect = function (innerDataIndices, dataType) {\n    var tmpArr = [];\n\n    for (var i = 0; i < innerDataIndices.length; i++) {\n      tmpArr[0] = innerDataIndices[i];\n      this.isSelected(innerDataIndices[i], dataType) ? this.unselect(tmpArr, dataType) : this.select(tmpArr, dataType);\n    }\n  };\n\n  SeriesModel.prototype.getSelectedDataIndices = function () {\n    var selectedDataIndicesMap = this._selectedDataIndicesMap;\n    var nameOrIds = zrUtil.keys(selectedDataIndicesMap);\n    var dataIndices = [];\n\n    for (var i = 0; i < nameOrIds.length; i++) {\n      var dataIndex = selectedDataIndicesMap[nameOrIds[i]];\n\n      if (dataIndex >= 0) {\n        dataIndices.push(dataIndex);\n      }\n    }\n\n    return dataIndices;\n  };\n\n  SeriesModel.prototype.isSelected = function (dataIndex, dataType) {\n    var selectedMap = this.option.selectedMap;\n\n    if (!selectedMap) {\n      return false;\n    }\n\n    var data = this.getData(dataType);\n    var nameOrId = getSelectionKey(data, dataIndex);\n    return selectedMap[nameOrId] || false;\n  };\n\n  SeriesModel.prototype._innerSelect = function (data, innerDataIndices) {\n    var _a, _b;\n\n    var selectedMode = this.option.selectedMode;\n    var len = innerDataIndices.length;\n\n    if (!selectedMode || !len) {\n      return;\n    }\n\n    if (selectedMode === 'multiple') {\n      var selectedMap = this.option.selectedMap || (this.option.selectedMap = {});\n\n      for (var i = 0; i < len; i++) {\n        var dataIndex = innerDataIndices[i]; // TODO diffrent types of data share same object.\n\n        var nameOrId = getSelectionKey(data, dataIndex);\n        selectedMap[nameOrId] = true;\n        this._selectedDataIndicesMap[nameOrId] = data.getRawIndex(dataIndex);\n      }\n    } else if (selectedMode === 'single' || selectedMode === true) {\n      var lastDataIndex = innerDataIndices[len - 1];\n      var nameOrId = getSelectionKey(data, lastDataIndex);\n      this.option.selectedMap = (_a = {}, _a[nameOrId] = true, _a);\n      this._selectedDataIndicesMap = (_b = {}, _b[nameOrId] = data.getRawIndex(lastDataIndex), _b);\n    }\n  };\n\n  SeriesModel.prototype._initSelectedMapFromData = function (data) {\n    // Ignore select info in data if selectedMap exists.\n    // NOTE It's only for legacy usage. edge data is not supported.\n    if (this.option.selectedMap) {\n      return;\n    }\n\n    var dataIndices = [];\n\n    if (data.hasItemOption) {\n      data.each(function (idx) {\n        var rawItem = data.getRawDataItem(idx);\n\n        if (rawItem && rawItem.selected) {\n          dataIndices.push(idx);\n        }\n      });\n    }\n\n    if (dataIndices.length > 0) {\n      this._innerSelect(data, dataIndices);\n    }\n  }; // /**\n  //  * @see {module:echarts/stream/Scheduler}\n  //  */\n  // abstract pipeTask: null\n\n\n  SeriesModel.registerClass = function (clz) {\n    return ComponentModel.registerClass(clz);\n  };\n\n  SeriesModel.protoInitialize = function () {\n    var proto = SeriesModel.prototype;\n    proto.type = 'series.__base__';\n    proto.seriesIndex = 0;\n    proto.useColorPaletteOnData = false;\n    proto.ignoreStyleOnData = false;\n    proto.hasSymbolVisual = false;\n    proto.defaultSymbol = 'circle'; // Make sure the values can be accessed!\n\n    proto.visualStyleAccessPath = 'itemStyle';\n    proto.visualDrawType = 'fill';\n  }();\n\n  return SeriesModel;\n}(ComponentModel);\n\nzrUtil.mixin(SeriesModel, DataFormatMixin);\nzrUtil.mixin(SeriesModel, PaletteMixin);\nmountExtend(SeriesModel, ComponentModel);\n/**\n * MUST be called after `prepareSource` called\n * Here we need to make auto series, especially for auto legend. But we\n * do not modify series.name in option to avoid side effects.\n */\n\nfunction autoSeriesName(seriesModel) {\n  // User specified name has higher priority, otherwise it may cause\n  // series can not be queried unexpectedly.\n  var name = seriesModel.name;\n\n  if (!modelUtil.isNameSpecified(seriesModel)) {\n    seriesModel.name = getSeriesAutoName(seriesModel) || name;\n  }\n}\n\nfunction getSeriesAutoName(seriesModel) {\n  var data = seriesModel.getRawData();\n  var dataDims = data.mapDimensionsAll('seriesName');\n  var nameArr = [];\n  zrUtil.each(dataDims, function (dataDim) {\n    var dimInfo = data.getDimensionInfo(dataDim);\n    dimInfo.displayName && nameArr.push(dimInfo.displayName);\n  });\n  return nameArr.join(' ');\n}\n\nfunction dataTaskCount(context) {\n  return context.model.getRawData().count();\n}\n\nfunction dataTaskReset(context) {\n  var seriesModel = context.model;\n  seriesModel.setData(seriesModel.getRawData().cloneShallow());\n  return dataTaskProgress;\n}\n\nfunction dataTaskProgress(param, context) {\n  // Avoid repead cloneShallow when data just created in reset.\n  if (context.outputData && param.end > context.outputData.count()) {\n    context.model.getRawData().cloneShallow(context.outputData);\n  }\n} // TODO refactor\n\n\nfunction wrapData(data, seriesModel) {\n  zrUtil.each(__spreadArrays(data.CHANGABLE_METHODS, data.DOWNSAMPLE_METHODS), function (methodName) {\n    data.wrapMethod(methodName, zrUtil.curry(onDataChange, seriesModel));\n  });\n}\n\nfunction onDataChange(seriesModel, newList) {\n  var task = getCurrentTask(seriesModel);\n\n  if (task) {\n    // Consider case: filter, selectRange\n    task.setOutputEnd((newList || this).count());\n  }\n\n  return newList;\n}\n\nfunction getCurrentTask(seriesModel) {\n  var scheduler = (seriesModel.ecModel || {}).scheduler;\n  var pipeline = scheduler && scheduler.getPipeline(seriesModel.uid);\n\n  if (pipeline) {\n    // When pipline finished, the currrentTask keep the last\n    // task (renderTask).\n    var task = pipeline.currentTask;\n\n    if (task) {\n      var agentStubMap = task.agentStubMap;\n\n      if (agentStubMap) {\n        task = agentStubMap.get(seriesModel.uid);\n      }\n    }\n\n    return task;\n  }\n}\n\nexport default SeriesModel;","import { distance as v2Distance } from '../../core/vector';\nfunction interpolate(p0, p1, p2, p3, t, t2, t3) {\n    var v0 = (p2 - p0) * 0.5;\n    var v1 = (p3 - p1) * 0.5;\n    return (2 * (p1 - p2) + v0 + v1) * t3\n        + (-3 * (p1 - p2) - 2 * v0 - v1) * t2\n        + v0 * t + p1;\n}\nexport default function smoothSpline(points, isLoop) {\n    var len = points.length;\n    var ret = [];\n    var distance = 0;\n    for (var i = 1; i < len; i++) {\n        distance += v2Distance(points[i - 1], points[i]);\n    }\n    var segs = distance / 2;\n    segs = segs < len ? len : segs;\n    for (var i = 0; i < segs; i++) {\n        var pos = i / (segs - 1) * (isLoop ? len : len - 1);\n        var idx = Math.floor(pos);\n        var w = pos - idx;\n        var p0 = void 0;\n        var p1 = points[idx % len];\n        var p2 = void 0;\n        var p3 = void 0;\n        if (!isLoop) {\n            p0 = points[idx === 0 ? idx : idx - 1];\n            p2 = points[idx > len - 2 ? len - 1 : idx + 1];\n            p3 = points[idx > len - 3 ? len - 1 : idx + 2];\n        }\n        else {\n            p0 = points[(idx - 1 + len) % len];\n            p2 = points[(idx + 1) % len];\n            p3 = points[(idx + 2) % len];\n        }\n        var w2 = w * w;\n        var w3 = w * w2;\n        ret.push([\n            interpolate(p0[0], p1[0], p2[0], p3[0], w, w2, w3),\n            interpolate(p0[1], p1[1], p2[1], p3[1], w, w2, w3)\n        ]);\n    }\n    return ret;\n}\n","import smoothSpline from './smoothSpline';\nimport smoothBezier from './smoothBezier';\nexport function buildPath(ctx, shape, closePath) {\n    var smooth = shape.smooth;\n    var points = shape.points;\n    if (points && points.length >= 2) {\n        if (smooth && smooth !== 'spline') {\n            var controlPoints = smoothBezier(points, smooth, closePath, shape.smoothConstraint);\n            ctx.moveTo(points[0][0], points[0][1]);\n            var len = points.length;\n            for (var i = 0; i < (closePath ? len : len - 1); i++) {\n                var cp1 = controlPoints[i * 2];\n                var cp2 = controlPoints[i * 2 + 1];\n                var p = points[(i + 1) % len];\n                ctx.bezierCurveTo(cp1[0], cp1[1], cp2[0], cp2[1], p[0], p[1]);\n            }\n        }\n        else {\n            if (smooth === 'spline') {\n                points = smoothSpline(points, closePath);\n            }\n            ctx.moveTo(points[0][0], points[0][1]);\n            for (var i = 1, l = points.length; i < l; i++) {\n                ctx.lineTo(points[i][0], points[i][1]);\n            }\n        }\n        closePath && ctx.closePath();\n    }\n}\n","import { min as v2Min, max as v2Max, scale as v2Scale, distance as v2Distance, add as v2Add, clone as v2Clone, sub as v2Sub } from '../../core/vector';\nexport default function smoothBezier(points, smooth, isLoop, constraint) {\n    var cps = [];\n    var v = [];\n    var v1 = [];\n    var v2 = [];\n    var prevPoint;\n    var nextPoint;\n    var min;\n    var max;\n    if (constraint) {\n        min = [Infinity, Infinity];\n        max = [-Infinity, -Infinity];\n        for (var i = 0, len = points.length; i < len; i++) {\n            v2Min(min, min, points[i]);\n            v2Max(max, max, points[i]);\n        }\n        v2Min(min, min, constraint[0]);\n        v2Max(max, max, constraint[1]);\n    }\n    for (var i = 0, len = points.length; i < len; i++) {\n        var point = points[i];\n        if (isLoop) {\n            prevPoint = points[i ? i - 1 : len - 1];\n            nextPoint = points[(i + 1) % len];\n        }\n        else {\n            if (i === 0 || i === len - 1) {\n                cps.push(v2Clone(points[i]));\n                continue;\n            }\n            else {\n                prevPoint = points[i - 1];\n                nextPoint = points[i + 1];\n            }\n        }\n        v2Sub(v, nextPoint, prevPoint);\n        v2Scale(v, v, smooth);\n        var d0 = v2Distance(point, prevPoint);\n        var d1 = v2Distance(point, nextPoint);\n        var sum = d0 + d1;\n        if (sum !== 0) {\n            d0 /= sum;\n            d1 /= sum;\n        }\n        v2Scale(v1, v, -d0);\n        v2Scale(v2, v, d1);\n        var cp0 = v2Add([], point, v1);\n        var cp1 = v2Add([], point, v2);\n        if (constraint) {\n            v2Max(cp0, cp0, min);\n            v2Min(cp0, cp0, max);\n            v2Max(cp1, cp1, min);\n            v2Min(cp1, cp1, max);\n        }\n        cps.push(cp0);\n        cps.push(cp1);\n    }\n    if (isLoop) {\n        cps.push(cps.shift());\n    }\n    return cps;\n}\n","/**\n * @license Angular v9.0.0\n * (c) 2010-2020 Google LLC. https://angular.io/\n * License: MIT\n */\n\nimport { __spread, __extends, __values, __read, __assign, __decorate, __param, __metadata } from 'tslib';\nimport { Subscription, Subject, Observable, merge as merge$1 } from 'rxjs';\nimport { share } from 'rxjs/operators';\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ANNOTATIONS = '__annotations__';\nvar PARAMETERS = '__parameters__';\nvar PROP_METADATA = '__prop__metadata__';\n/**\n * @suppress {globalThis}\n */\nfunction makeDecorator(name, props, parentClass, additionalProcessing, typeFn) {\n    var metaCtor = makeMetadataCtor(props);\n    function DecoratorFactory() {\n        var _a;\n        var args = [];\n        for (var _i = 0; _i < arguments.length; _i++) {\n            args[_i] = arguments[_i];\n        }\n        if (this instanceof DecoratorFactory) {\n            metaCtor.call.apply(metaCtor, __spread([this], args));\n            return this;\n        }\n        var annotationInstance = new ((_a = DecoratorFactory).bind.apply(_a, __spread([void 0], args)))();\n        return function TypeDecorator(cls) {\n            if (typeFn)\n                typeFn.apply(void 0, __spread([cls], args));\n            // Use of Object.defineProperty is important since it creates non-enumerable property which\n            // prevents the property is copied during subclassing.\n            var annotations = cls.hasOwnProperty(ANNOTATIONS) ?\n                cls[ANNOTATIONS] :\n                Object.defineProperty(cls, ANNOTATIONS, { value: [] })[ANNOTATIONS];\n            annotations.push(annotationInstance);\n            if (additionalProcessing)\n                additionalProcessing(cls);\n            return cls;\n        };\n    }\n    if (parentClass) {\n        DecoratorFactory.prototype = Object.create(parentClass.prototype);\n    }\n    DecoratorFactory.prototype.ngMetadataName = name;\n    DecoratorFactory.annotationCls = DecoratorFactory;\n    return DecoratorFactory;\n}\nfunction makeMetadataCtor(props) {\n    return function ctor() {\n        var args = [];\n        for (var _i = 0; _i < arguments.length; _i++) {\n            args[_i] = arguments[_i];\n        }\n        if (props) {\n            var values = props.apply(void 0, __spread(args));\n            for (var propName in values) {\n                this[propName] = values[propName];\n            }\n        }\n    };\n}\nfunction makeParamDecorator(name, props, parentClass) {\n    var metaCtor = makeMetadataCtor(props);\n    function ParamDecoratorFactory() {\n        var _a;\n        var args = [];\n        for (var _i = 0; _i < arguments.length; _i++) {\n            args[_i] = arguments[_i];\n        }\n        if (this instanceof ParamDecoratorFactory) {\n            metaCtor.apply(this, args);\n            return this;\n        }\n        var annotationInstance = new ((_a = ParamDecoratorFactory).bind.apply(_a, __spread([void 0], args)))();\n        ParamDecorator.annotation = annotationInstance;\n        return ParamDecorator;\n        function ParamDecorator(cls, unusedKey, index) {\n            // Use of Object.defineProperty is important since it creates non-enumerable property which\n            // prevents the property is copied during subclassing.\n            var parameters = cls.hasOwnProperty(PARAMETERS) ?\n                cls[PARAMETERS] :\n                Object.defineProperty(cls, PARAMETERS, { value: [] })[PARAMETERS];\n            // there might be gaps if some in between parameters do not have annotations.\n            // we pad with nulls.\n            while (parameters.length <= index) {\n                parameters.push(null);\n            }\n            (parameters[index] = parameters[index] || []).push(annotationInstance);\n            return cls;\n        }\n    }\n    if (parentClass) {\n        ParamDecoratorFactory.prototype = Object.create(parentClass.prototype);\n    }\n    ParamDecoratorFactory.prototype.ngMetadataName = name;\n    ParamDecoratorFactory.annotationCls = ParamDecoratorFactory;\n    return ParamDecoratorFactory;\n}\nfunction makePropDecorator(name, props, parentClass, additionalProcessing) {\n    var metaCtor = makeMetadataCtor(props);\n    function PropDecoratorFactory() {\n        var _a;\n        var args = [];\n        for (var _i = 0; _i < arguments.length; _i++) {\n            args[_i] = arguments[_i];\n        }\n        if (this instanceof PropDecoratorFactory) {\n            metaCtor.apply(this, args);\n            return this;\n        }\n        var decoratorInstance = new ((_a = PropDecoratorFactory).bind.apply(_a, __spread([void 0], args)))();\n        function PropDecorator(target, name) {\n            var constructor = target.constructor;\n            // Use of Object.defineProperty is important since it creates non-enumerable property which\n            // prevents the property is copied during subclassing.\n            var meta = constructor.hasOwnProperty(PROP_METADATA) ?\n                constructor[PROP_METADATA] :\n                Object.defineProperty(constructor, PROP_METADATA, { value: {} })[PROP_METADATA];\n            meta[name] = meta.hasOwnProperty(name) && meta[name] || [];\n            meta[name].unshift(decoratorInstance);\n            if (additionalProcessing)\n                additionalProcessing.apply(void 0, __spread([target, name], args));\n        }\n        return PropDecorator;\n    }\n    if (parentClass) {\n        PropDecoratorFactory.prototype = Object.create(parentClass.prototype);\n    }\n    PropDecoratorFactory.prototype.ngMetadataName = name;\n    PropDecoratorFactory.annotationCls = PropDecoratorFactory;\n    return PropDecoratorFactory;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ɵ0 = function (token) { return ({ token: token }); };\n/**\n * Inject decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nvar Inject = makeParamDecorator('Inject', ɵ0);\n/**\n * Optional decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nvar Optional = makeParamDecorator('Optional');\n/**\n * Self decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nvar Self = makeParamDecorator('Self');\n/**\n * SkipSelf decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nvar SkipSelf = makeParamDecorator('SkipSelf');\n/**\n * Host decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nvar Host = makeParamDecorator('Host');\nvar ɵ1 = function (attributeName) { return ({ attributeName: attributeName }); };\n/**\n * Attribute decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nvar Attribute = makeParamDecorator('Attribute', ɵ1);\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Injection flags for DI.\n *\n * @publicApi\n */\nvar InjectFlags;\n(function (InjectFlags) {\n    // TODO(alxhub): make this 'const' when ngc no longer writes exports of it into ngfactory files.\n    /** Check self and check parent injector if needed */\n    InjectFlags[InjectFlags[\"Default\"] = 0] = \"Default\";\n    /**\n     * Specifies that an injector should retrieve a dependency from any injector until reaching the\n     * host element of the current component. (Only used with Element Injector)\n     */\n    InjectFlags[InjectFlags[\"Host\"] = 1] = \"Host\";\n    /** Don't ascend to ancestors of the node requesting injection. */\n    InjectFlags[InjectFlags[\"Self\"] = 2] = \"Self\";\n    /** Skip the node that is requesting injection. */\n    InjectFlags[InjectFlags[\"SkipSelf\"] = 4] = \"SkipSelf\";\n    /** Inject `defaultValue` instead if token not found. */\n    InjectFlags[InjectFlags[\"Optional\"] = 8] = \"Optional\";\n})(InjectFlags || (InjectFlags = {}));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction getClosureSafeProperty(objWithPropertyToExtract) {\n    for (var key in objWithPropertyToExtract) {\n        if (objWithPropertyToExtract[key] === getClosureSafeProperty) {\n            return key;\n        }\n    }\n    throw Error('Could not find renamed property on target object.');\n}\n/**\n * Sets properties on a target object from a source object, but only if\n * the property doesn't already exist on the target object.\n * @param target The target to set properties on\n * @param source The source of the property keys and values to set\n */\nfunction fillProperties(target, source) {\n    for (var key in source) {\n        if (source.hasOwnProperty(key) && !target.hasOwnProperty(key)) {\n            target[key] = source[key];\n        }\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Construct an `InjectableDef` which defines how a token will be constructed by the DI system, and\n * in which injectors (if any) it will be available.\n *\n * This should be assigned to a static `ɵprov` field on a type, which will then be an\n * `InjectableType`.\n *\n * Options:\n * * `providedIn` determines which injectors will include the injectable, by either associating it\n *   with an `@NgModule` or other `InjectorType`, or by specifying that this injectable should be\n *   provided in the `'root'` injector, which will be the application-level injector in most apps.\n * * `factory` gives the zero argument function which will create an instance of the injectable.\n *   The factory can call `inject` to access the `Injector` and request injection of dependencies.\n *\n * @codeGenApi\n */\nfunction ɵɵdefineInjectable(opts) {\n    return {\n        token: opts.token, providedIn: opts.providedIn || null, factory: opts.factory,\n        value: undefined,\n    };\n}\n/**\n * @deprecated in v8, delete after v10. This API should be used only be generated code, and that\n * code should now use ɵɵdefineInjectable instead.\n * @publicApi\n */\nvar defineInjectable = ɵɵdefineInjectable;\n/**\n * Construct an `InjectorDef` which configures an injector.\n *\n * This should be assigned to a static injector def (`ɵinj`) field on a type, which will then be an\n * `InjectorType`.\n *\n * Options:\n *\n * * `factory`: an `InjectorType` is an instantiable type, so a zero argument `factory` function to\n *   create the type must be provided. If that factory function needs to inject arguments, it can\n *   use the `inject` function.\n * * `providers`: an optional array of providers to add to the injector. Each provider must\n *   either have a factory or point to a type which has a `ɵprov` static property (the\n *   type must be an `InjectableType`).\n * * `imports`: an optional array of imports of other `InjectorType`s or `InjectorTypeWithModule`s\n *   whose providers will also be added to the injector. Locally provided types will override\n *   providers from imports.\n *\n * @publicApi\n */\nfunction ɵɵdefineInjector(options) {\n    return {\n        factory: options.factory, providers: options.providers || [], imports: options.imports || [],\n    };\n}\n/**\n * Read the injectable def (`ɵprov`) for `type` in a way which is immune to accidentally reading\n * inherited value.\n *\n * @param type A type which may have its own (non-inherited) `ɵprov`.\n */\nfunction getInjectableDef(type) {\n    return getOwnDefinition(type, type[NG_PROV_DEF]) ||\n        getOwnDefinition(type, type[NG_INJECTABLE_DEF]);\n}\n/**\n * Return `def` only if it is defined directly on `type` and is not inherited from a base\n * class of `type`.\n *\n * The function `Object.hasOwnProperty` is not sufficient to distinguish this case because in older\n * browsers (e.g. IE10) static property inheritance is implemented by copying the properties.\n *\n * Instead, the definition's `token` is compared to the `type`, and if they don't match then the\n * property was not defined directly on the type itself, and was likely inherited. The definition\n * is only returned if the `type` matches the `def.token`.\n */\nfunction getOwnDefinition(type, def) {\n    return def && def.token === type ? def : null;\n}\n/**\n * Read the injectable def (`ɵprov`) for `type` or read the `ɵprov` from one of its ancestors.\n *\n * @param type A type which may have `ɵprov`, via inheritance.\n *\n * @deprecated Will be removed in v10, where an error will occur in the scenario if we find the\n * `ɵprov` on an ancestor only.\n */\nfunction getInheritedInjectableDef(type) {\n    // See `jit/injectable.ts#compileInjectable` for context on NG_PROV_DEF_FALLBACK.\n    var def = type && (type[NG_PROV_DEF] || type[NG_INJECTABLE_DEF] ||\n        (type[NG_PROV_DEF_FALLBACK] && type[NG_PROV_DEF_FALLBACK]()));\n    if (def) {\n        var typeName = getTypeName(type);\n        // TODO(FW-1307): Re-add ngDevMode when closure can handle it\n        // ngDevMode &&\n        console.warn(\"DEPRECATED: DI is instantiating a token \\\"\" + typeName + \"\\\" that inherits its @Injectable decorator but does not provide one itself.\\n\" +\n            (\"This will become an error in v10. Please add @Injectable() to the \\\"\" + typeName + \"\\\" class.\"));\n        return def;\n    }\n    else {\n        return null;\n    }\n}\n/** Gets the name of a type, accounting for some cross-browser differences. */\nfunction getTypeName(type) {\n    // `Function.prototype.name` behaves differently between IE and other browsers. In most browsers\n    // it'll always return the name of the function itself, no matter how many other functions it\n    // inherits from. On IE the function doesn't have its own `name` property, but it takes it from\n    // the lowest level in the prototype chain. E.g. if we have `class Foo extends Parent` most\n    // browsers will evaluate `Foo.name` to `Foo` while IE will return `Parent`. We work around\n    // the issue by converting the function to a string and parsing its name out that way via a regex.\n    if (type.hasOwnProperty('name')) {\n        return type.name;\n    }\n    var match = ('' + type).match(/^function\\s*([^\\s(]+)/);\n    return match === null ? '' : match[1];\n}\n/**\n * Read the injector def type in a way which is immune to accidentally reading inherited value.\n *\n * @param type type which may have an injector def (`ɵinj`)\n */\nfunction getInjectorDef(type) {\n    return type && (type.hasOwnProperty(NG_INJ_DEF) || type.hasOwnProperty(NG_INJECTOR_DEF)) ?\n        type[NG_INJ_DEF] :\n        null;\n}\nvar NG_PROV_DEF = getClosureSafeProperty({ ɵprov: getClosureSafeProperty });\nvar NG_INJ_DEF = getClosureSafeProperty({ ɵinj: getClosureSafeProperty });\n// On IE10 properties defined via `defineProperty` won't be inherited by child classes,\n// which will break inheriting the injectable definition from a grandparent through an\n// undecorated parent class. We work around it by defining a fallback method which will be\n// used to retrieve the definition. This should only be a problem in JIT mode, because in\n// AOT TypeScript seems to have a workaround for static properties. When inheriting from an\n// undecorated parent is no longer supported in v10, this can safely be removed.\nvar NG_PROV_DEF_FALLBACK = getClosureSafeProperty({ ɵprovFallback: getClosureSafeProperty });\n// We need to keep these around so we can read off old defs if new defs are unavailable\nvar NG_INJECTABLE_DEF = getClosureSafeProperty({ ngInjectableDef: getClosureSafeProperty });\nvar NG_INJECTOR_DEF = getClosureSafeProperty({ ngInjectorDef: getClosureSafeProperty });\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction stringify(token) {\n    if (typeof token === 'string') {\n        return token;\n    }\n    if (Array.isArray(token)) {\n        return '[' + token.map(stringify).join(', ') + ']';\n    }\n    if (token == null) {\n        return '' + token;\n    }\n    if (token.overriddenName) {\n        return \"\" + token.overriddenName;\n    }\n    if (token.name) {\n        return \"\" + token.name;\n    }\n    var res = token.toString();\n    if (res == null) {\n        return '' + res;\n    }\n    var newLineIndex = res.indexOf('\\n');\n    return newLineIndex === -1 ? res : res.substring(0, newLineIndex);\n}\n/**\n * Concatenates two strings with separator, allocating new strings only when necessary.\n *\n * @param before before string.\n * @param separator separator string.\n * @param after after string.\n * @returns concatenated string.\n */\nfunction concatStringsWithSpace(before, after) {\n    return (before == null || before === '') ?\n        (after === null ? '' : after) :\n        ((after == null || after === '') ? before : before + ' ' + after);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar __forward_ref__ = getClosureSafeProperty({ __forward_ref__: getClosureSafeProperty });\n/**\n * Allows to refer to references which are not yet defined.\n *\n * For instance, `forwardRef` is used when the `token` which we need to refer to for the purposes of\n * DI is declared, but not yet defined. It is also used when the `token` which we use when creating\n * a query is not yet defined.\n *\n * @usageNotes\n * ### Example\n * {@example core/di/ts/forward_ref/forward_ref_spec.ts region='forward_ref'}\n * @publicApi\n */\nfunction forwardRef(forwardRefFn) {\n    forwardRefFn.__forward_ref__ = forwardRef;\n    forwardRefFn.toString = function () { return stringify(this()); };\n    return forwardRefFn;\n}\n/**\n * Lazily retrieves the reference value from a forwardRef.\n *\n * Acts as the identity function when given a non-forward-ref value.\n *\n * @usageNotes\n * ### Example\n *\n * {@example core/di/ts/forward_ref/forward_ref_spec.ts region='resolve_forward_ref'}\n *\n * @see `forwardRef`\n * @publicApi\n */\nfunction resolveForwardRef(type) {\n    return isForwardRef(type) ? type() : type;\n}\n/** Checks whether a function is wrapped by a `forwardRef`. */\nfunction isForwardRef(fn) {\n    return typeof fn === 'function' && fn.hasOwnProperty(__forward_ref__) &&\n        fn.__forward_ref__ === forwardRef;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar __globalThis = typeof globalThis !== 'undefined' && globalThis;\nvar __window = typeof window !== 'undefined' && window;\nvar __self = typeof self !== 'undefined' && typeof WorkerGlobalScope !== 'undefined' &&\n    self instanceof WorkerGlobalScope && self;\nvar __global = typeof global !== 'undefined' && global;\n// Always use __globalThis if available, which is the spec-defined global variable across all\n// environments, then fallback to __global first, because in Node tests both __global and\n// __window may be defined and _global should be __global in that case.\nvar _global = __globalThis || __global || __window || __self;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar R3ResolvedDependencyType;\n(function (R3ResolvedDependencyType) {\n    R3ResolvedDependencyType[R3ResolvedDependencyType[\"Token\"] = 0] = \"Token\";\n    R3ResolvedDependencyType[R3ResolvedDependencyType[\"Attribute\"] = 1] = \"Attribute\";\n    R3ResolvedDependencyType[R3ResolvedDependencyType[\"ChangeDetectorRef\"] = 2] = \"ChangeDetectorRef\";\n    R3ResolvedDependencyType[R3ResolvedDependencyType[\"Invalid\"] = 3] = \"Invalid\";\n})(R3ResolvedDependencyType || (R3ResolvedDependencyType = {}));\nvar R3FactoryTarget;\n(function (R3FactoryTarget) {\n    R3FactoryTarget[R3FactoryTarget[\"Directive\"] = 0] = \"Directive\";\n    R3FactoryTarget[R3FactoryTarget[\"Component\"] = 1] = \"Component\";\n    R3FactoryTarget[R3FactoryTarget[\"Injectable\"] = 2] = \"Injectable\";\n    R3FactoryTarget[R3FactoryTarget[\"Pipe\"] = 3] = \"Pipe\";\n    R3FactoryTarget[R3FactoryTarget[\"NgModule\"] = 4] = \"NgModule\";\n})(R3FactoryTarget || (R3FactoryTarget = {}));\nvar ViewEncapsulation;\n(function (ViewEncapsulation) {\n    ViewEncapsulation[ViewEncapsulation[\"Emulated\"] = 0] = \"Emulated\";\n    ViewEncapsulation[ViewEncapsulation[\"Native\"] = 1] = \"Native\";\n    ViewEncapsulation[ViewEncapsulation[\"None\"] = 2] = \"None\";\n    ViewEncapsulation[ViewEncapsulation[\"ShadowDom\"] = 3] = \"ShadowDom\";\n})(ViewEncapsulation || (ViewEncapsulation = {}));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction getCompilerFacade() {\n    var globalNg = _global['ng'];\n    if (!globalNg || !globalNg.ɵcompilerFacade) {\n        throw new Error(\"Angular JIT compilation failed: '@angular/compiler' not loaded!\\n\" +\n            \"  - JIT compilation is discouraged for production use-cases! Consider AOT mode instead.\\n\" +\n            \"  - Did you bootstrap using '@angular/platform-browser-dynamic' or '@angular/platform-server'?\\n\" +\n            \"  - Alternatively provide the compiler with 'import \\\"@angular/compiler\\\";' before bootstrapping.\");\n    }\n    return globalNg.ɵcompilerFacade;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar NG_COMP_DEF = getClosureSafeProperty({ ɵcmp: getClosureSafeProperty });\nvar NG_DIR_DEF = getClosureSafeProperty({ ɵdir: getClosureSafeProperty });\nvar NG_PIPE_DEF = getClosureSafeProperty({ ɵpipe: getClosureSafeProperty });\nvar NG_MOD_DEF = getClosureSafeProperty({ ɵmod: getClosureSafeProperty });\nvar NG_LOC_ID_DEF = getClosureSafeProperty({ ɵloc: getClosureSafeProperty });\nvar NG_FACTORY_DEF = getClosureSafeProperty({ ɵfac: getClosureSafeProperty });\n/**\n * If a directive is diPublic, bloomAdd sets a property on the type with this constant as\n * the key and the directive's unique ID as the value. This allows us to map directives to their\n * bloom filter bit for DI.\n */\n// TODO(misko): This is wrong. The NG_ELEMENT_ID should never be minified.\nvar NG_ELEMENT_ID = getClosureSafeProperty({ __NG_ELEMENT_ID__: getClosureSafeProperty });\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction ngDevModeResetPerfCounters() {\n    var locationString = typeof location !== 'undefined' ? location.toString() : '';\n    var newCounters = {\n        namedConstructors: locationString.indexOf('ngDevMode=namedConstructors') != -1,\n        firstCreatePass: 0,\n        tNode: 0,\n        tView: 0,\n        rendererCreateTextNode: 0,\n        rendererSetText: 0,\n        rendererCreateElement: 0,\n        rendererAddEventListener: 0,\n        rendererSetAttribute: 0,\n        rendererRemoveAttribute: 0,\n        rendererSetProperty: 0,\n        rendererSetClassName: 0,\n        rendererAddClass: 0,\n        rendererRemoveClass: 0,\n        rendererSetStyle: 0,\n        rendererRemoveStyle: 0,\n        rendererDestroy: 0,\n        rendererDestroyNode: 0,\n        rendererMoveNode: 0,\n        rendererRemoveNode: 0,\n        rendererAppendChild: 0,\n        rendererInsertBefore: 0,\n        rendererCreateComment: 0,\n    };\n    // Make sure to refer to ngDevMode as ['ngDevMode'] for closure.\n    var allowNgDevModeTrue = locationString.indexOf('ngDevMode=false') === -1;\n    _global['ngDevMode'] = allowNgDevModeTrue && newCounters;\n    return newCounters;\n}\n/**\n * This function checks to see if the `ngDevMode` has been set. If yes,\n * then we honor it, otherwise we default to dev mode with additional checks.\n *\n * The idea is that unless we are doing production build where we explicitly\n * set `ngDevMode == false` we should be helping the developer by providing\n * as much early warning and errors as possible.\n *\n * `ɵɵdefineComponent` is guaranteed to have been called before any component template functions\n * (and thus Ivy instructions), so a single initialization there is sufficient to ensure ngDevMode\n * is defined for the entire instruction set.\n *\n * When using checking `ngDevMode` on toplevel, always init it before referencing it\n * (e.g. `((typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode())`), otherwise you can\n *  get a `ReferenceError` like in https://github.com/angular/angular/issues/31595.\n *\n * Details on possible values for `ngDevMode` can be found on its docstring.\n *\n * NOTE:\n * - changes to the `ngDevMode` name must be synced with `compiler-cli/src/tooling.ts`.\n */\nfunction initNgDevMode() {\n    // The below checks are to ensure that calling `initNgDevMode` multiple times does not\n    // reset the counters.\n    // If the `ngDevMode` is not an object, then it means we have not created the perf counters\n    // yet.\n    if (typeof ngDevMode === 'undefined' || ngDevMode) {\n        if (typeof ngDevMode !== 'object') {\n            ngDevModeResetPerfCounters();\n        }\n        return !!ngDevMode;\n    }\n    return false;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Creates a token that can be used in a DI Provider.\n *\n * Use an `InjectionToken` whenever the type you are injecting is not reified (does not have a\n * runtime representation) such as when injecting an interface, callable type, array or\n * parameterized type.\n *\n * `InjectionToken` is parameterized on `T` which is the type of object which will be returned by\n * the `Injector`. This provides additional level of type safety.\n *\n * ```\n * interface MyInterface {...}\n * var myInterface = injector.get(new InjectionToken<MyInterface>('SomeToken'));\n * // myInterface is inferred to be MyInterface.\n * ```\n *\n * When creating an `InjectionToken`, you can optionally specify a factory function which returns\n * (possibly by creating) a default value of the parameterized type `T`. This sets up the\n * `InjectionToken` using this factory as a provider as if it was defined explicitly in the\n * application's root injector. If the factory function, which takes zero arguments, needs to inject\n * dependencies, it can do so using the `inject` function. See below for an example.\n *\n * Additionally, if a `factory` is specified you can also specify the `providedIn` option, which\n * overrides the above behavior and marks the token as belonging to a particular `@NgModule`. As\n * mentioned above, `'root'` is the default value for `providedIn`.\n *\n * @usageNotes\n * ### Basic Example\n *\n * ### Plain InjectionToken\n *\n * {@example core/di/ts/injector_spec.ts region='InjectionToken'}\n *\n * ### Tree-shakable InjectionToken\n *\n * {@example core/di/ts/injector_spec.ts region='ShakableInjectionToken'}\n *\n *\n * @publicApi\n */\nvar InjectionToken = /** @class */ (function () {\n    function InjectionToken(_desc, options) {\n        this._desc = _desc;\n        /** @internal */\n        this.ngMetadataName = 'InjectionToken';\n        this.ɵprov = undefined;\n        if (typeof options == 'number') {\n            // This is a special hack to assign __NG_ELEMENT_ID__ to this instance.\n            // __NG_ELEMENT_ID__ is Used by Ivy to determine bloom filter id.\n            // We are using it to assign `-1` which is used to identify `Injector`.\n            this.__NG_ELEMENT_ID__ = options;\n        }\n        else if (options !== undefined) {\n            this.ɵprov = ɵɵdefineInjectable({\n                token: this,\n                providedIn: options.providedIn || 'root',\n                factory: options.factory,\n            });\n        }\n    }\n    InjectionToken.prototype.toString = function () { return \"InjectionToken \" + this._desc; };\n    return InjectionToken;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * An InjectionToken that gets the current `Injector` for `createInjector()`-style injectors.\n *\n * Requesting this token instead of `Injector` allows `StaticInjector` to be tree-shaken from a\n * project.\n *\n * @publicApi\n */\nvar INJECTOR = new InjectionToken('INJECTOR', -1 // `-1` is used by Ivy DI system as special value to recognize it as `Injector`.\n);\nvar _THROW_IF_NOT_FOUND = {};\nvar THROW_IF_NOT_FOUND = _THROW_IF_NOT_FOUND;\nvar NG_TEMP_TOKEN_PATH = 'ngTempTokenPath';\nvar NG_TOKEN_PATH = 'ngTokenPath';\nvar NEW_LINE = /\\n/gm;\nvar NO_NEW_LINE = 'ɵ';\nvar SOURCE = '__source';\nvar ɵ0$1 = getClosureSafeProperty;\nvar USE_VALUE = getClosureSafeProperty({ provide: String, useValue: ɵ0$1 });\n/**\n * Current injector value used by `inject`.\n * - `undefined`: it is an error to call `inject`\n * - `null`: `inject` can be called but there is no injector (limp-mode).\n * - Injector instance: Use the injector for resolution.\n */\nvar _currentInjector = undefined;\nfunction setCurrentInjector(injector) {\n    var former = _currentInjector;\n    _currentInjector = injector;\n    return former;\n}\n/**\n * Current implementation of inject.\n *\n * By default, it is `injectInjectorOnly`, which makes it `Injector`-only aware. It can be changed\n * to `directiveInject`, which brings in the `NodeInjector` system of ivy. It is designed this\n * way for two reasons:\n *  1. `Injector` should not depend on ivy logic.\n *  2. To maintain tree shake-ability we don't want to bring in unnecessary code.\n */\nvar _injectImplementation;\n/**\n * Sets the current inject implementation.\n */\nfunction setInjectImplementation(impl) {\n    var previous = _injectImplementation;\n    _injectImplementation = impl;\n    return previous;\n}\nfunction injectInjectorOnly(token, flags) {\n    if (flags === void 0) { flags = InjectFlags.Default; }\n    if (_currentInjector === undefined) {\n        throw new Error(\"inject() must be called from an injection context\");\n    }\n    else if (_currentInjector === null) {\n        return injectRootLimpMode(token, undefined, flags);\n    }\n    else {\n        return _currentInjector.get(token, flags & InjectFlags.Optional ? null : undefined, flags);\n    }\n}\nfunction ɵɵinject(token, flags) {\n    if (flags === void 0) { flags = InjectFlags.Default; }\n    return (_injectImplementation || injectInjectorOnly)(resolveForwardRef(token), flags);\n}\n/**\n * Throws an error indicating that a factory function could not be generated by the compiler for a\n * particular class.\n *\n * This instruction allows the actual error message to be optimized away when ngDevMode is turned\n * off, saving bytes of generated code while still providing a good experience in dev mode.\n *\n * The name of the class is not mentioned here, but will be in the generated factory function name\n * and thus in the stack trace.\n *\n * @codeGenApi\n */\nfunction ɵɵinvalidFactoryDep(index) {\n    var msg = ngDevMode ?\n        \"This constructor is not compatible with Angular Dependency Injection because its dependency at index \" + index + \" of the parameter list is invalid.\\nThis can happen if the dependency type is a primitive like a string or if an ancestor of this class is missing an Angular decorator.\\n\\nPlease check that 1) the type for the parameter at index \" + index + \" is correct and 2) the correct Angular decorators are defined for this class and its ancestors.\" :\n        'invalid';\n    throw new Error(msg);\n}\n/**\n * Injects a token from the currently active injector.\n *\n * Must be used in the context of a factory function such as one defined for an\n * `InjectionToken`. Throws an error if not called from such a context.\n *\n * Within such a factory function, using this function to request injection of a dependency\n * is faster and more type-safe than providing an additional array of dependencies\n * (as has been common with `useFactory` providers).\n *\n * @param token The injection token for the dependency to be injected.\n * @param flags Optional flags that control how injection is executed.\n * The flags correspond to injection strategies that can be specified with\n * parameter decorators `@Host`, `@Self`, `@SkipSef`, and `@Optional`.\n * @returns True if injection is successful, null otherwise.\n *\n * @usageNotes\n *\n * ### Example\n *\n * {@example core/di/ts/injector_spec.ts region='ShakableInjectionToken'}\n *\n * @publicApi\n */\nvar inject = ɵɵinject;\n/**\n * Injects `root` tokens in limp mode.\n *\n * If no injector exists, we can still inject tree-shakable providers which have `providedIn` set to\n * `\"root\"`. This is known as the limp mode injection. In such case the value is stored in the\n * `InjectableDef`.\n */\nfunction injectRootLimpMode(token, notFoundValue, flags) {\n    var injectableDef = getInjectableDef(token);\n    if (injectableDef && injectableDef.providedIn == 'root') {\n        return injectableDef.value === undefined ? injectableDef.value = injectableDef.factory() :\n            injectableDef.value;\n    }\n    if (flags & InjectFlags.Optional)\n        return null;\n    if (notFoundValue !== undefined)\n        return notFoundValue;\n    throw new Error(\"Injector: NOT_FOUND [\" + stringify(token) + \"]\");\n}\nfunction injectArgs(types) {\n    var args = [];\n    for (var i = 0; i < types.length; i++) {\n        var arg = resolveForwardRef(types[i]);\n        if (Array.isArray(arg)) {\n            if (arg.length === 0) {\n                throw new Error('Arguments array must have arguments.');\n            }\n            var type = undefined;\n            var flags = InjectFlags.Default;\n            for (var j = 0; j < arg.length; j++) {\n                var meta = arg[j];\n                if (meta instanceof Optional || meta.ngMetadataName === 'Optional' || meta === Optional) {\n                    flags |= InjectFlags.Optional;\n                }\n                else if (meta instanceof SkipSelf || meta.ngMetadataName === 'SkipSelf' || meta === SkipSelf) {\n                    flags |= InjectFlags.SkipSelf;\n                }\n                else if (meta instanceof Self || meta.ngMetadataName === 'Self' || meta === Self) {\n                    flags |= InjectFlags.Self;\n                }\n                else if (meta instanceof Inject || meta === Inject) {\n                    type = meta.token;\n                }\n                else {\n                    type = meta;\n                }\n            }\n            args.push(ɵɵinject(type, flags));\n        }\n        else {\n            args.push(ɵɵinject(arg));\n        }\n    }\n    return args;\n}\nvar NullInjector = /** @class */ (function () {\n    function NullInjector() {\n    }\n    NullInjector.prototype.get = function (token, notFoundValue) {\n        if (notFoundValue === void 0) { notFoundValue = THROW_IF_NOT_FOUND; }\n        if (notFoundValue === THROW_IF_NOT_FOUND) {\n            // Intentionally left behind: With dev tools open the debugger will stop here. There is no\n            // reason why correctly written application should cause this exception.\n            // TODO(misko): uncomment the next line once `ngDevMode` works with closure.\n            // if (ngDevMode) debugger;\n            var error = new Error(\"NullInjectorError: No provider for \" + stringify(token) + \"!\");\n            error.name = 'NullInjectorError';\n            throw error;\n        }\n        return notFoundValue;\n    };\n    return NullInjector;\n}());\nfunction catchInjectorError(e, token, injectorErrorName, source) {\n    var tokenPath = e[NG_TEMP_TOKEN_PATH];\n    if (token[SOURCE]) {\n        tokenPath.unshift(token[SOURCE]);\n    }\n    e.message = formatError('\\n' + e.message, tokenPath, injectorErrorName, source);\n    e[NG_TOKEN_PATH] = tokenPath;\n    e[NG_TEMP_TOKEN_PATH] = null;\n    throw e;\n}\nfunction formatError(text, obj, injectorErrorName, source) {\n    if (source === void 0) { source = null; }\n    text = text && text.charAt(0) === '\\n' && text.charAt(1) == NO_NEW_LINE ? text.substr(2) : text;\n    var context = stringify(obj);\n    if (Array.isArray(obj)) {\n        context = obj.map(stringify).join(' -> ');\n    }\n    else if (typeof obj === 'object') {\n        var parts = [];\n        for (var key in obj) {\n            if (obj.hasOwnProperty(key)) {\n                var value = obj[key];\n                parts.push(key + ':' + (typeof value === 'string' ? JSON.stringify(value) : stringify(value)));\n            }\n        }\n        context = \"{\" + parts.join(', ') + \"}\";\n    }\n    return \"\" + injectorErrorName + (source ? '(' + source + ')' : '') + \"[\" + context + \"]: \" + text.replace(NEW_LINE, '\\n  ');\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A mapping of the @angular/core API surface used in generated expressions to the actual symbols.\n *\n * This should be kept up to date with the public exports of @angular/core.\n */\nvar angularCoreDiEnv = {\n    'ɵɵdefineInjectable': ɵɵdefineInjectable,\n    'ɵɵdefineInjector': ɵɵdefineInjector,\n    'ɵɵinject': ɵɵinject,\n    'ɵɵgetFactoryOf': getFactoryOf,\n    'ɵɵinvalidFactoryDep': ɵɵinvalidFactoryDep,\n};\nfunction getFactoryOf(type) {\n    var typeAny = type;\n    if (isForwardRef(type)) {\n        return (function () {\n            var factory = getFactoryOf(resolveForwardRef(typeAny));\n            return factory ? factory() : null;\n        });\n    }\n    var def = getInjectableDef(typeAny) || getInjectorDef(typeAny);\n    if (!def || def.factory === undefined) {\n        return null;\n    }\n    return def.factory;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Represents an instance of an NgModule created via a {@link NgModuleFactory}.\n *\n * `NgModuleRef` provides access to the NgModule Instance as well other objects related to this\n * NgModule Instance.\n *\n * @publicApi\n */\nvar NgModuleRef = /** @class */ (function () {\n    function NgModuleRef() {\n    }\n    return NgModuleRef;\n}());\n/**\n * @publicApi\n */\nvar NgModuleFactory = /** @class */ (function () {\n    function NgModuleFactory() {\n    }\n    return NgModuleFactory;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction assertNumber(actual, msg) {\n    if (!(typeof actual === 'number')) {\n        throwError(msg, typeof actual, 'number', '===');\n    }\n}\nfunction assertNumberInRange(actual, minInclusive, maxInclusive) {\n    assertNumber(actual, 'Expected a number');\n    assertLessThanOrEqual(actual, maxInclusive, 'Expected number to be less than or equal to');\n    assertGreaterThanOrEqual(actual, minInclusive, 'Expected number to be greater than or equal to');\n}\nfunction assertString(actual, msg) {\n    if (!(typeof actual === 'string')) {\n        throwError(msg, actual === null ? 'null' : typeof actual, 'string', '===');\n    }\n}\nfunction assertEqual(actual, expected, msg) {\n    if (!(actual == expected)) {\n        throwError(msg, actual, expected, '==');\n    }\n}\nfunction assertNotEqual(actual, expected, msg) {\n    if (!(actual != expected)) {\n        throwError(msg, actual, expected, '!=');\n    }\n}\nfunction assertSame(actual, expected, msg) {\n    if (!(actual === expected)) {\n        throwError(msg, actual, expected, '===');\n    }\n}\nfunction assertNotSame(actual, expected, msg) {\n    if (!(actual !== expected)) {\n        throwError(msg, actual, expected, '!==');\n    }\n}\nfunction assertLessThan(actual, expected, msg) {\n    if (!(actual < expected)) {\n        throwError(msg, actual, expected, '<');\n    }\n}\nfunction assertLessThanOrEqual(actual, expected, msg) {\n    if (!(actual <= expected)) {\n        throwError(msg, actual, expected, '<=');\n    }\n}\nfunction assertGreaterThan(actual, expected, msg) {\n    if (!(actual > expected)) {\n        throwError(msg, actual, expected, '>');\n    }\n}\nfunction assertGreaterThanOrEqual(actual, expected, msg) {\n    if (!(actual >= expected)) {\n        throwError(msg, actual, expected, '>=');\n    }\n}\nfunction assertNotDefined(actual, msg) {\n    if (actual != null) {\n        throwError(msg, actual, null, '==');\n    }\n}\nfunction assertDefined(actual, msg) {\n    if (actual == null) {\n        throwError(msg, actual, null, '!=');\n    }\n}\nfunction throwError(msg, actual, expected, comparison) {\n    // tslint:disable-next-line\n    debugger; // Left intentionally for better debugger experience.\n    throw new Error(\"ASSERTION ERROR: \" + msg +\n        (comparison == null ? '' : \" [Expected=> \" + expected + \" \" + comparison + \" \" + actual + \" <=Actual]\"));\n}\nfunction assertDomNode(node) {\n    // If we're in a worker, `Node` will not be defined.\n    assertEqual((typeof Node !== 'undefined' && node instanceof Node) ||\n        (typeof node === 'object' && node != null &&\n            node.constructor.name === 'WebWorkerRenderNode'), true, \"The provided value must be an instance of a DOM Node but got \" + stringify(node));\n}\nfunction assertDataInRange(arr, index) {\n    var maxLen = arr ? arr.length : 0;\n    assertLessThan(index, maxLen, \"Index expected to be less than \" + maxLen + \" but got \" + index);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n* Equivalent to ES6 spread, add each item to an array.\n*\n* @param items The items to add\n* @param arr The array to which you want to add the items\n*/\nfunction addAllToArray(items, arr) {\n    for (var i = 0; i < items.length; i++) {\n        arr.push(items[i]);\n    }\n}\n/**\n * Flattens an array.\n */\nfunction flatten(list, dst) {\n    if (dst === undefined)\n        dst = list;\n    for (var i = 0; i < list.length; i++) {\n        var item = list[i];\n        if (Array.isArray(item)) {\n            // we need to inline it.\n            if (dst === list) {\n                // Our assumption that the list was already flat was wrong and\n                // we need to clone flat since we need to write to it.\n                dst = list.slice(0, i);\n            }\n            flatten(item, dst);\n        }\n        else if (dst !== list) {\n            dst.push(item);\n        }\n    }\n    return dst;\n}\nfunction deepForEach(input, fn) {\n    input.forEach(function (value) { return Array.isArray(value) ? deepForEach(value, fn) : fn(value); });\n}\nfunction addToArray(arr, index, value) {\n    // perf: array.push is faster than array.splice!\n    if (index >= arr.length) {\n        arr.push(value);\n    }\n    else {\n        arr.splice(index, 0, value);\n    }\n}\nfunction removeFromArray(arr, index) {\n    // perf: array.pop is faster than array.splice!\n    if (index >= arr.length - 1) {\n        return arr.pop();\n    }\n    else {\n        return arr.splice(index, 1)[0];\n    }\n}\nfunction newArray(size, value) {\n    var list = [];\n    for (var i = 0; i < size; i++) {\n        list.push(value);\n    }\n    return list;\n}\n/**\n * Remove item from array (Same as `Array.splice()` but faster.)\n *\n * `Array.splice()` is not as fast because it has to allocate an array for the elements which were\n * removed. This causes memory pressure and slows down code when most of the time we don't\n * care about the deleted items array.\n *\n * https://jsperf.com/fast-array-splice (About 20x faster)\n *\n * @param array Array to splice\n * @param index Index of element in array to remove.\n * @param count Number of items to remove.\n */\nfunction arraySplice(array, index, count) {\n    var length = array.length - count;\n    while (index < length) {\n        array[index] = array[index + count];\n        index++;\n    }\n    while (count--) {\n        array.pop(); // shrink the array\n    }\n}\n/**\n * Same as `Array.splice(index, 0, value)` but faster.\n *\n * `Array.splice()` is not fast because it has to allocate an array for the elements which were\n * removed. This causes memory pressure and slows down code when most of the time we don't\n * care about the deleted items array.\n *\n * @param array Array to splice.\n * @param index Index in array where the `value` should be added.\n * @param value Value to add to array.\n */\nfunction arrayInsert(array, index, value) {\n    ngDevMode && assertLessThanOrEqual(index, array.length, 'Can\\'t insert past array end.');\n    var end = array.length;\n    while (end > index) {\n        var previousEnd = end - 1;\n        array[end] = array[previousEnd];\n        end = previousEnd;\n    }\n    array[index] = value;\n}\n/**\n * Same as `Array.splice2(index, 0, value1, value2)` but faster.\n *\n * `Array.splice()` is not fast because it has to allocate an array for the elements which were\n * removed. This causes memory pressure and slows down code when most of the time we don't\n * care about the deleted items array.\n *\n * @param array Array to splice.\n * @param index Index in array where the `value` should be added.\n * @param value1 Value to add to array.\n * @param value2 Value to add to array.\n */\nfunction arrayInsert2(array, index, value1, value2) {\n    ngDevMode && assertLessThanOrEqual(index, array.length, 'Can\\'t insert past array end.');\n    var end = array.length;\n    if (end == index) {\n        // inserting at the end.\n        array.push(value1, value2);\n    }\n    else if (end === 1) {\n        // corner case when we have less items in array than we have items to insert.\n        array.push(value2, array[0]);\n        array[0] = value1;\n    }\n    else {\n        end--;\n        array.push(array[end - 1], array[end]);\n        while (end > index) {\n            var previousEnd = end - 2;\n            array[end] = array[previousEnd];\n            end--;\n        }\n        array[index] = value1;\n        array[index + 1] = value2;\n    }\n}\n/**\n * Insert a `value` into an `array` so that the array remains sorted.\n *\n * NOTE:\n * - Duplicates are not allowed, and are ignored.\n * - This uses binary search algorithm for fast inserts.\n *\n * @param array A sorted array to insert into.\n * @param value The value to insert.\n * @returns index of the inserted value.\n */\nfunction arrayInsertSorted(array, value) {\n    var index = arrayIndexOfSorted(array, value);\n    if (index < 0) {\n        // if we did not find it insert it.\n        index = ~index;\n        arrayInsert(array, index, value);\n    }\n    return index;\n}\n/**\n * Remove `value` from a sorted `array`.\n *\n * NOTE:\n * - This uses binary search algorithm for fast removals.\n *\n * @param array A sorted array to remove from.\n * @param value The value to remove.\n * @returns index of the removed value.\n *   - positive index if value found and removed.\n *   - negative index if value not found. (`~index` to get the value where it should have been\n *     inserted)\n */\nfunction arrayRemoveSorted(array, value) {\n    var index = arrayIndexOfSorted(array, value);\n    if (index >= 0) {\n        arraySplice(array, index, 1);\n    }\n    return index;\n}\n/**\n * Get an index of an `value` in a sorted `array`.\n *\n * NOTE:\n * - This uses binary search algorithm for fast removals.\n *\n * @param array A sorted array to binary search.\n * @param value The value to look for.\n * @returns index of the value.\n *   - positive index if value found.\n *   - negative index if value not found. (`~index` to get the value where it should have been\n *     located)\n */\nfunction arrayIndexOfSorted(array, value) {\n    return _arrayIndexOfSorted(array, value, 0);\n}\n/**\n * Set a `value` for a `key`.\n *\n * @param keyValueArray to modify.\n * @param key The key to locate or create.\n * @param value The value to set for a `key`.\n * @returns index (always even) of where the value vas set.\n */\nfunction keyValueArraySet(keyValueArray, key, value) {\n    var index = keyValueArrayIndexOf(keyValueArray, key);\n    if (index >= 0) {\n        // if we found it set it.\n        keyValueArray[index | 1] = value;\n    }\n    else {\n        index = ~index;\n        arrayInsert2(keyValueArray, index, key, value);\n    }\n    return index;\n}\n/**\n * Retrieve a `value` for a `key` (on `undefined` if not found.)\n *\n * @param keyValueArray to search.\n * @param key The key to locate.\n * @return The `value` stored at the `key` location or `undefined if not found.\n */\nfunction keyValueArrayGet(keyValueArray, key) {\n    var index = keyValueArrayIndexOf(keyValueArray, key);\n    if (index >= 0) {\n        // if we found it retrieve it.\n        return keyValueArray[index | 1];\n    }\n    return undefined;\n}\n/**\n * Retrieve a `key` index value in the array or `-1` if not found.\n *\n * @param keyValueArray to search.\n * @param key The key to locate.\n * @returns index of where the key is (or should have been.)\n *   - positive (even) index if key found.\n *   - negative index if key not found. (`~index` (even) to get the index where it should have\n *     been inserted.)\n */\nfunction keyValueArrayIndexOf(keyValueArray, key) {\n    return _arrayIndexOfSorted(keyValueArray, key, 1);\n}\n/**\n * Delete a `key` (and `value`) from the `KeyValueArray`.\n *\n * @param keyValueArray to modify.\n * @param key The key to locate or delete (if exist).\n * @returns index of where the key was (or should have been.)\n *   - positive (even) index if key found and deleted.\n *   - negative index if key not found. (`~index` (even) to get the index where it should have\n *     been.)\n */\nfunction keyValueArrayDelete(keyValueArray, key) {\n    var index = keyValueArrayIndexOf(keyValueArray, key);\n    if (index >= 0) {\n        // if we found it remove it.\n        arraySplice(keyValueArray, index, 2);\n    }\n    return index;\n}\n/**\n * INTERNAL: Get an index of an `value` in a sorted `array` by grouping search by `shift`.\n *\n * NOTE:\n * - This uses binary search algorithm for fast removals.\n *\n * @param array A sorted array to binary search.\n * @param value The value to look for.\n * @param shift grouping shift.\n *   - `0` means look at every location\n *   - `1` means only look at every other (even) location (the odd locations are to be ignored as\n *         they are values.)\n * @returns index of the value.\n *   - positive index if value found.\n *   - negative index if value not found. (`~index` to get the value where it should have been\n * inserted)\n */\nfunction _arrayIndexOfSorted(array, value, shift) {\n    ngDevMode && assertEqual(Array.isArray(array), true, 'Expecting an array');\n    var start = 0;\n    var end = array.length >> shift;\n    while (end !== start) {\n        var middle = start + ((end - start) >> 1); // find the middle.\n        var current = array[middle << shift];\n        if (value === current) {\n            return (middle << shift);\n        }\n        else if (current > value) {\n            end = middle;\n        }\n        else {\n            start = middle + 1; // We already searched middle so make it non-inclusive by adding 1\n        }\n    }\n    return ~(end << shift);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * The strategy that the default change detector uses to detect changes.\n * When set, takes effect the next time change detection is triggered.\n *\n * @publicApi\n */\nvar ChangeDetectionStrategy;\n(function (ChangeDetectionStrategy) {\n    /**\n     * Use the `CheckOnce` strategy, meaning that automatic change detection is deactivated\n     * until reactivated by setting the strategy to `Default` (`CheckAlways`).\n     * Change detection can still be explicitly invoked.\n     * This strategy applies to all child directives and cannot be overridden.\n     */\n    ChangeDetectionStrategy[ChangeDetectionStrategy[\"OnPush\"] = 0] = \"OnPush\";\n    /**\n     * Use the default `CheckAlways` strategy, in which change detection is automatic until\n     * explicitly deactivated.\n     */\n    ChangeDetectionStrategy[ChangeDetectionStrategy[\"Default\"] = 1] = \"Default\";\n})(ChangeDetectionStrategy || (ChangeDetectionStrategy = {}));\n/**\n * Defines the possible states of the default change detector.\n * @see `ChangeDetectorRef`\n */\nvar ChangeDetectorStatus;\n(function (ChangeDetectorStatus) {\n    /**\n     * A state in which, after calling `detectChanges()`, the change detector\n     * state becomes `Checked`, and must be explicitly invoked or reactivated.\n     */\n    ChangeDetectorStatus[ChangeDetectorStatus[\"CheckOnce\"] = 0] = \"CheckOnce\";\n    /**\n     * A state in which change detection is skipped until the change detector mode\n     * becomes `CheckOnce`.\n     */\n    ChangeDetectorStatus[ChangeDetectorStatus[\"Checked\"] = 1] = \"Checked\";\n    /**\n     * A state in which change detection continues automatically until explicitly\n     * deactivated.\n     */\n    ChangeDetectorStatus[ChangeDetectorStatus[\"CheckAlways\"] = 2] = \"CheckAlways\";\n    /**\n     * A state in which a change detector sub tree is not a part of the main tree and\n     * should be skipped.\n     */\n    ChangeDetectorStatus[ChangeDetectorStatus[\"Detached\"] = 3] = \"Detached\";\n    /**\n     * Indicates that the change detector encountered an error checking a binding\n     * or calling a directive lifecycle method and is now in an inconsistent state. Change\n     * detectors in this state do not detect changes.\n     */\n    ChangeDetectorStatus[ChangeDetectorStatus[\"Errored\"] = 4] = \"Errored\";\n    /**\n     * Indicates that the change detector has been destroyed.\n     */\n    ChangeDetectorStatus[ChangeDetectorStatus[\"Destroyed\"] = 5] = \"Destroyed\";\n})(ChangeDetectorStatus || (ChangeDetectorStatus = {}));\n/**\n * Reports whether a given strategy is currently the default for change detection.\n * @param changeDetectionStrategy The strategy to check.\n * @returns True if the given strategy is the current default, false otherwise.\n * @see `ChangeDetectorStatus`\n * @see `ChangeDetectorRef`\n */\nfunction isDefaultChangeDetectionStrategy(changeDetectionStrategy) {\n    return changeDetectionStrategy == null ||\n        changeDetectionStrategy === ChangeDetectionStrategy.Default;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Defines template and style encapsulation options available for Component's {@link Component}.\n *\n * See {@link Component#encapsulation encapsulation}.\n *\n * @usageNotes\n * ### Example\n *\n * {@example core/ts/metadata/encapsulation.ts region='longform'}\n *\n * @publicApi\n */\nvar ViewEncapsulation$1;\n(function (ViewEncapsulation) {\n    /**\n     * Emulate `Native` scoping of styles by adding an attribute containing surrogate id to the Host\n     * Element and pre-processing the style rules provided via {@link Component#styles styles} or\n     * {@link Component#styleUrls styleUrls}, and adding the new Host Element attribute to all\n     * selectors.\n     *\n     * This is the default option.\n     */\n    ViewEncapsulation[ViewEncapsulation[\"Emulated\"] = 0] = \"Emulated\";\n    /**\n     * @deprecated v6.1.0 - use {ViewEncapsulation.ShadowDom} instead.\n     * Use the native encapsulation mechanism of the renderer.\n     *\n     * For the DOM this means using the deprecated [Shadow DOM\n     * v0](https://w3c.github.io/webcomponents/spec/shadow/) and\n     * creating a ShadowRoot for Component's Host Element.\n     */\n    ViewEncapsulation[ViewEncapsulation[\"Native\"] = 1] = \"Native\";\n    /**\n     * Don't provide any template or style encapsulation.\n     */\n    ViewEncapsulation[ViewEncapsulation[\"None\"] = 2] = \"None\";\n    /**\n     * Use Shadow DOM to encapsulate styles.\n     *\n     * For the DOM this means using modern [Shadow\n     * DOM](https://w3c.github.io/webcomponents/spec/shadow/) and\n     * creating a ShadowRoot for Component's Host Element.\n     */\n    ViewEncapsulation[ViewEncapsulation[\"ShadowDom\"] = 3] = \"ShadowDom\";\n})(ViewEncapsulation$1 || (ViewEncapsulation$1 = {}));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Convince closure compiler that the wrapped function has no side-effects.\n *\n * Closure compiler always assumes that `toString` has no side-effects. We use this quirk to\n * allow us to execute a function but have closure compiler mark the call as no-side-effects.\n * It is important that the return value for the `noSideEffects` function be assigned\n * to something which is retained otherwise the call to `noSideEffects` will be removed by closure\n * compiler.\n */\nfunction noSideEffects(fn) {\n    return '' + { toString: fn };\n}\n\n/**\n* @license\n* Copyright Google Inc. All Rights Reserved.\n*\n* Use of this source code is governed by an MIT-style license that can be\n* found in the LICENSE file at https://angular.io/license\n*/\n/**\n * This file contains reuseable \"empty\" symbols that can be used as default return values\n * in different parts of the rendering code. Because the same symbols are returned, this\n * allows for identity checks against these values to be consistently used by the framework\n * code.\n */\nvar EMPTY_OBJ = {};\nvar EMPTY_ARRAY = [];\n// freezing the values prevents any code from accidentally inserting new values in\nif ((typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode()) {\n    // These property accesses can be ignored because ngDevMode will be set to false\n    // when optimizing code and the whole if statement will be dropped.\n    // tslint:disable-next-line:no-toplevel-property-access\n    Object.freeze(EMPTY_OBJ);\n    // tslint:disable-next-line:no-toplevel-property-access\n    Object.freeze(EMPTY_ARRAY);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar _renderCompCount = 0;\n/**\n * Create a component definition object.\n *\n *\n * # Example\n * ```\n * class MyDirective {\n *   // Generated by Angular Template Compiler\n *   // [Symbol] syntax will not be supported by TypeScript until v2.7\n *   static ɵcmp = defineComponent({\n *     ...\n *   });\n * }\n * ```\n * @codeGenApi\n */\nfunction ɵɵdefineComponent(componentDefinition) {\n    // Initialize ngDevMode. This must be the first statement in ɵɵdefineComponent.\n    // See the `initNgDevMode` docstring for more information.\n    (typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode();\n    var type = componentDefinition.type;\n    var typePrototype = type.prototype;\n    var declaredInputs = {};\n    var def = {\n        type: type,\n        providersResolver: null,\n        decls: componentDefinition.decls,\n        vars: componentDefinition.vars,\n        factory: null,\n        template: componentDefinition.template || null,\n        consts: componentDefinition.consts || null,\n        ngContentSelectors: componentDefinition.ngContentSelectors,\n        hostBindings: componentDefinition.hostBindings || null,\n        hostVars: componentDefinition.hostVars || 0,\n        hostAttrs: componentDefinition.hostAttrs || null,\n        contentQueries: componentDefinition.contentQueries || null,\n        declaredInputs: declaredInputs,\n        inputs: null,\n        outputs: null,\n        exportAs: componentDefinition.exportAs || null,\n        onChanges: null,\n        onInit: typePrototype.ngOnInit || null,\n        doCheck: typePrototype.ngDoCheck || null,\n        afterContentInit: typePrototype.ngAfterContentInit || null,\n        afterContentChecked: typePrototype.ngAfterContentChecked || null,\n        afterViewInit: typePrototype.ngAfterViewInit || null,\n        afterViewChecked: typePrototype.ngAfterViewChecked || null,\n        onDestroy: typePrototype.ngOnDestroy || null,\n        onPush: componentDefinition.changeDetection === ChangeDetectionStrategy.OnPush,\n        directiveDefs: null,\n        pipeDefs: null,\n        selectors: componentDefinition.selectors || EMPTY_ARRAY,\n        viewQuery: componentDefinition.viewQuery || null,\n        features: componentDefinition.features || null,\n        data: componentDefinition.data || {},\n        // TODO(misko): convert ViewEncapsulation into const enum so that it can be used directly in the\n        // next line. Also `None` should be 0 not 2.\n        encapsulation: componentDefinition.encapsulation || ViewEncapsulation$1.Emulated,\n        id: 'c',\n        styles: componentDefinition.styles || EMPTY_ARRAY,\n        _: null,\n        setInput: null,\n        schemas: componentDefinition.schemas || null,\n        tView: null,\n    };\n    def._ = noSideEffects(function () {\n        var directiveTypes = componentDefinition.directives;\n        var feature = componentDefinition.features;\n        var pipeTypes = componentDefinition.pipes;\n        def.id += _renderCompCount++;\n        def.inputs = invertObject(componentDefinition.inputs, declaredInputs),\n            def.outputs = invertObject(componentDefinition.outputs),\n            feature && feature.forEach(function (fn) { return fn(def); });\n        def.directiveDefs = directiveTypes ?\n            function () { return (typeof directiveTypes === 'function' ? directiveTypes() : directiveTypes)\n                .map(extractDirectiveDef); } :\n            null;\n        def.pipeDefs = pipeTypes ?\n            function () { return (typeof pipeTypes === 'function' ? pipeTypes() : pipeTypes).map(extractPipeDef); } :\n            null;\n    });\n    return def;\n}\n/**\n * @codeGenApi\n */\nfunction ɵɵsetComponentScope(type, directives, pipes) {\n    var def = type.ɵcmp;\n    def.directiveDefs = function () { return directives.map(extractDirectiveDef); };\n    def.pipeDefs = function () { return pipes.map(extractPipeDef); };\n}\nfunction extractDirectiveDef(type) {\n    var def = getComponentDef(type) || getDirectiveDef(type);\n    if (ngDevMode && !def) {\n        throw new Error(\"'\" + type.name + \"' is neither 'ComponentType' or 'DirectiveType'.\");\n    }\n    return def;\n}\nfunction extractPipeDef(type) {\n    var def = getPipeDef(type);\n    if (ngDevMode && !def) {\n        throw new Error(\"'\" + type.name + \"' is not a 'PipeType'.\");\n    }\n    return def;\n}\nvar autoRegisterModuleById = {};\n/**\n * @codeGenApi\n */\nfunction ɵɵdefineNgModule(def) {\n    var res = {\n        type: def.type,\n        bootstrap: def.bootstrap || EMPTY_ARRAY,\n        declarations: def.declarations || EMPTY_ARRAY,\n        imports: def.imports || EMPTY_ARRAY,\n        exports: def.exports || EMPTY_ARRAY,\n        transitiveCompileScopes: null,\n        schemas: def.schemas || null,\n        id: def.id || null,\n    };\n    if (def.id != null) {\n        noSideEffects(function () { autoRegisterModuleById[def.id] = def.type; });\n    }\n    return res;\n}\n/**\n * Adds the module metadata that is necessary to compute the module's transitive scope to an\n * existing module definition.\n *\n * Scope metadata of modules is not used in production builds, so calls to this function can be\n * marked pure to tree-shake it from the bundle, allowing for all referenced declarations\n * to become eligible for tree-shaking as well.\n *\n * @codeGenApi\n */\nfunction ɵɵsetNgModuleScope(type, scope) {\n    return noSideEffects(function () {\n        var ngModuleDef = getNgModuleDef(type, true);\n        ngModuleDef.declarations = scope.declarations || EMPTY_ARRAY;\n        ngModuleDef.imports = scope.imports || EMPTY_ARRAY;\n        ngModuleDef.exports = scope.exports || EMPTY_ARRAY;\n    });\n}\n/**\n * Inverts an inputs or outputs lookup such that the keys, which were the\n * minified keys, are part of the values, and the values are parsed so that\n * the publicName of the property is the new key\n *\n * e.g. for\n *\n * ```\n * class Comp {\n *   @Input()\n *   propName1: string;\n *\n *   @Input('publicName2')\n *   declaredPropName2: number;\n * }\n * ```\n *\n * will be serialized as\n *\n * ```\n * {\n *   propName1: 'propName1',\n *   declaredPropName2: ['publicName2', 'declaredPropName2'],\n * }\n * ```\n *\n * which is than translated by the minifier as:\n *\n * ```\n * {\n *   minifiedPropName1: 'propName1',\n *   minifiedPropName2: ['publicName2', 'declaredPropName2'],\n * }\n * ```\n *\n * becomes: (public name => minifiedName)\n *\n * ```\n * {\n *  'propName1': 'minifiedPropName1',\n *  'publicName2': 'minifiedPropName2',\n * }\n * ```\n *\n * Optionally the function can take `secondary` which will result in: (public name => declared name)\n *\n * ```\n * {\n *  'propName1': 'propName1',\n *  'publicName2': 'declaredPropName2',\n * }\n * ```\n *\n\n */\nfunction invertObject(obj, secondary) {\n    if (obj == null)\n        return EMPTY_OBJ;\n    var newLookup = {};\n    for (var minifiedKey in obj) {\n        if (obj.hasOwnProperty(minifiedKey)) {\n            var publicName = obj[minifiedKey];\n            var declaredName = publicName;\n            if (Array.isArray(publicName)) {\n                declaredName = publicName[1];\n                publicName = publicName[0];\n            }\n            newLookup[publicName] = minifiedKey;\n            if (secondary) {\n                (secondary[publicName] = declaredName);\n            }\n        }\n    }\n    return newLookup;\n}\n/**\n * Create a directive definition object.\n *\n * # Example\n * ```ts\n * class MyDirective {\n *   // Generated by Angular Template Compiler\n *   // [Symbol] syntax will not be supported by TypeScript until v2.7\n *   static ɵdir = ɵɵdefineDirective({\n *     ...\n *   });\n * }\n * ```\n *\n * @codeGenApi\n */\nvar ɵɵdefineDirective = ɵɵdefineComponent;\n/**\n * Create a pipe definition object.\n *\n * # Example\n * ```\n * class MyPipe implements PipeTransform {\n *   // Generated by Angular Template Compiler\n *   static ɵpipe = definePipe({\n *     ...\n *   });\n * }\n * ```\n * @param pipeDef Pipe definition generated by the compiler\n *\n * @codeGenApi\n */\nfunction ɵɵdefinePipe(pipeDef) {\n    return {\n        type: pipeDef.type,\n        name: pipeDef.name,\n        factory: null,\n        pure: pipeDef.pure !== false,\n        onDestroy: pipeDef.type.prototype.ngOnDestroy || null\n    };\n}\n/**\n * The following getter methods retrieve the definition form the type. Currently the retrieval\n * honors inheritance, but in the future we may change the rule to require that definitions are\n * explicit. This would require some sort of migration strategy.\n */\nfunction getComponentDef(type) {\n    return type[NG_COMP_DEF] || null;\n}\nfunction getDirectiveDef(type) {\n    return type[NG_DIR_DEF] || null;\n}\nfunction getPipeDef(type) {\n    return type[NG_PIPE_DEF] || null;\n}\nfunction getFactoryDef(type, throwNotFound) {\n    var hasFactoryDef = type.hasOwnProperty(NG_FACTORY_DEF);\n    if (!hasFactoryDef && throwNotFound === true && ngDevMode) {\n        throw new Error(\"Type \" + stringify(type) + \" does not have '\\u0275fac' property.\");\n    }\n    return hasFactoryDef ? type[NG_FACTORY_DEF] : null;\n}\nfunction getNgModuleDef(type, throwNotFound) {\n    var ngModuleDef = type[NG_MOD_DEF] || null;\n    if (!ngModuleDef && throwNotFound === true) {\n        throw new Error(\"Type \" + stringify(type) + \" does not have '\\u0275mod' property.\");\n    }\n    return ngModuleDef;\n}\nfunction getNgLocaleIdDef(type) {\n    return type[NG_LOC_ID_DEF] || null;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Below are constants for LView indices to help us look up LView members\n// without having to remember the specific indices.\n// Uglify will inline these when minifying so there shouldn't be a cost.\nvar HOST = 0;\nvar TVIEW = 1;\nvar FLAGS = 2;\nvar PARENT = 3;\nvar NEXT = 4;\nvar QUERIES = 5;\nvar T_HOST = 6;\nvar CLEANUP = 7;\nvar CONTEXT = 8;\nvar INJECTOR$1 = 9;\nvar RENDERER_FACTORY = 10;\nvar RENDERER = 11;\nvar SANITIZER = 12;\nvar CHILD_HEAD = 13;\nvar CHILD_TAIL = 14;\nvar DECLARATION_VIEW = 15;\nvar DECLARATION_COMPONENT_VIEW = 16;\nvar DECLARATION_LCONTAINER = 17;\nvar PREORDER_HOOK_FLAGS = 18;\n/** Size of LView's header. Necessary to adjust for it when setting slots.  */\nvar HEADER_OFFSET = 19;\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\nvar unusedValueExportToPlacateAjd = 1;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Special location which allows easy identification of type. If we have an array which was\n * retrieved from the `LView` and that array has `true` at `TYPE` location, we know it is\n * `LContainer`.\n */\nvar TYPE = 1;\n/**\n * Below are constants for LContainer indices to help us look up LContainer members\n * without having to remember the specific indices.\n * Uglify will inline these when minifying so there shouldn't be a cost.\n */\nvar ACTIVE_INDEX = 2;\n// PARENT and NEXT are indices 3 and 4\n// As we already have these constants in LView, we don't need to re-create them.\nvar MOVED_VIEWS = 5;\n// T_HOST is index 6\n// We already have this constants in LView, we don't need to re-create it.\nvar NATIVE = 7;\nvar VIEW_REFS = 8;\n/**\n * Size of LContainer's header. Represents the index after which all views in the\n * container will be inserted. We need to keep a record of current views so we know\n * which views are already in the DOM (and don't need to be re-added) and so we can\n * remove views from the DOM when they are no longer required.\n */\nvar CONTAINER_HEADER_OFFSET = 9;\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\nvar unusedValueExportToPlacateAjd$1 = 1;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n* True if `value` is `LView`.\n* @param value wrapped value of `RNode`, `LView`, `LContainer`\n*/\nfunction isLView(value) {\n    return Array.isArray(value) && typeof value[TYPE] === 'object';\n}\n/**\n * True if `value` is `LContainer`.\n * @param value wrapped value of `RNode`, `LView`, `LContainer`\n */\nfunction isLContainer(value) {\n    return Array.isArray(value) && value[TYPE] === true;\n}\nfunction isContentQueryHost(tNode) {\n    return (tNode.flags & 8 /* hasContentQuery */) !== 0;\n}\nfunction isComponentHost(tNode) {\n    return (tNode.flags & 2 /* isComponentHost */) === 2 /* isComponentHost */;\n}\nfunction isDirectiveHost(tNode) {\n    return (tNode.flags & 1 /* isDirectiveHost */) === 1 /* isDirectiveHost */;\n}\nfunction isComponentDef(def) {\n    return def.template !== null;\n}\nfunction isRootView(target) {\n    return (target[FLAGS] & 512 /* IsRoot */) !== 0;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction assertTNodeForLView(tNode, lView) {\n    tNode.hasOwnProperty('tView_') && assertEqual(tNode.tView_, lView[TVIEW], 'This TNode does not belong to this LView.');\n}\nfunction assertComponentType(actual, msg) {\n    if (msg === void 0) { msg = 'Type passed in is not ComponentType, it does not have \\'ɵcmp\\' property.'; }\n    if (!getComponentDef(actual)) {\n        throwError(msg);\n    }\n}\nfunction assertNgModuleType(actual, msg) {\n    if (msg === void 0) { msg = 'Type passed in is not NgModuleType, it does not have \\'ɵmod\\' property.'; }\n    if (!getNgModuleDef(actual)) {\n        throwError(msg);\n    }\n}\nfunction assertPreviousIsParent(isParent) {\n    assertEqual(isParent, true, 'previousOrParentTNode should be a parent');\n}\nfunction assertHasParent(tNode) {\n    assertDefined(tNode, 'previousOrParentTNode should exist!');\n    assertDefined(tNode.parent, 'previousOrParentTNode should have a parent');\n}\nfunction assertDataNext(lView, index, arr) {\n    if (arr == null)\n        arr = lView;\n    assertEqual(arr.length, index, \"index \" + index + \" expected to be at the end of arr (length \" + arr.length + \")\");\n}\nfunction assertLContainerOrUndefined(value) {\n    value && assertEqual(isLContainer(value), true, 'Expecting LContainer or undefined or null');\n}\nfunction assertLContainer(value) {\n    assertDefined(value, 'LContainer must be defined');\n    assertEqual(isLContainer(value), true, 'Expecting LContainer');\n}\nfunction assertLViewOrUndefined(value) {\n    value && assertEqual(isLView(value), true, 'Expecting LView or undefined or null');\n}\nfunction assertLView(value) {\n    assertDefined(value, 'LView must be defined');\n    assertEqual(isLView(value), true, 'Expecting LView');\n}\nfunction assertFirstCreatePass(tView, errMessage) {\n    assertEqual(tView.firstCreatePass, true, errMessage || 'Should only be called in first create pass.');\n}\nfunction assertFirstUpdatePass(tView, errMessage) {\n    assertEqual(tView.firstUpdatePass, true, errMessage || 'Should only be called in first update pass.');\n}\n/**\n * This is a basic sanity check that an object is probably a directive def. DirectiveDef is\n * an interface, so we can't do a direct instanceof check.\n */\nfunction assertDirectiveDef(obj) {\n    if (obj.type === undefined || obj.selectors == undefined || obj.inputs === undefined) {\n        throwError(\"Expected a DirectiveDef/ComponentDef and this object does not seem to have the expected shape.\");\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar instructionState = {\n    lFrame: createLFrame(null),\n    bindingsEnabled: true,\n    checkNoChangesMode: false,\n};\nfunction getElementDepthCount() {\n    return instructionState.lFrame.elementDepthCount;\n}\nfunction increaseElementDepthCount() {\n    instructionState.lFrame.elementDepthCount++;\n}\nfunction decreaseElementDepthCount() {\n    instructionState.lFrame.elementDepthCount--;\n}\nfunction getBindingsEnabled() {\n    return instructionState.bindingsEnabled;\n}\n/**\n * Enables directive matching on elements.\n *\n *  * Example:\n * ```\n * <my-comp my-directive>\n *   Should match component / directive.\n * </my-comp>\n * <div ngNonBindable>\n *   <!-- ɵɵdisableBindings() -->\n *   <my-comp my-directive>\n *     Should not match component / directive because we are in ngNonBindable.\n *   </my-comp>\n *   <!-- ɵɵenableBindings() -->\n * </div>\n * ```\n *\n * @codeGenApi\n */\nfunction ɵɵenableBindings() {\n    instructionState.bindingsEnabled = true;\n}\n/**\n * Disables directive matching on element.\n *\n *  * Example:\n * ```\n * <my-comp my-directive>\n *   Should match component / directive.\n * </my-comp>\n * <div ngNonBindable>\n *   <!-- ɵɵdisableBindings() -->\n *   <my-comp my-directive>\n *     Should not match component / directive because we are in ngNonBindable.\n *   </my-comp>\n *   <!-- ɵɵenableBindings() -->\n * </div>\n * ```\n *\n * @codeGenApi\n */\nfunction ɵɵdisableBindings() {\n    instructionState.bindingsEnabled = false;\n}\n/**\n * Return the current `LView`.\n */\nfunction getLView() {\n    return instructionState.lFrame.lView;\n}\n/**\n * Return the current `TView`.\n */\nfunction getTView() {\n    return instructionState.lFrame.tView;\n}\n/**\n * Restores `contextViewData` to the given OpaqueViewState instance.\n *\n * Used in conjunction with the getCurrentView() instruction to save a snapshot\n * of the current view and restore it when listeners are invoked. This allows\n * walking the declaration view tree in listeners to get vars from parent views.\n *\n * @param viewToRestore The OpaqueViewState instance to restore.\n *\n * @codeGenApi\n */\nfunction ɵɵrestoreView(viewToRestore) {\n    instructionState.lFrame.contextLView = viewToRestore;\n}\nfunction getPreviousOrParentTNode() {\n    return instructionState.lFrame.previousOrParentTNode;\n}\nfunction setPreviousOrParentTNode(tNode, _isParent) {\n    instructionState.lFrame.previousOrParentTNode = tNode;\n    instructionState.lFrame.isParent = _isParent;\n}\nfunction getIsParent() {\n    return instructionState.lFrame.isParent;\n}\nfunction setIsNotParent() {\n    instructionState.lFrame.isParent = false;\n}\nfunction setIsParent() {\n    instructionState.lFrame.isParent = true;\n}\nfunction getContextLView() {\n    return instructionState.lFrame.contextLView;\n}\nfunction getCheckNoChangesMode() {\n    // TODO(misko): remove this from the LView since it is ngDevMode=true mode only.\n    return instructionState.checkNoChangesMode;\n}\nfunction setCheckNoChangesMode(mode) {\n    instructionState.checkNoChangesMode = mode;\n}\n// top level variables should not be exported for performance reasons (PERF_NOTES.md)\nfunction getBindingRoot() {\n    var lFrame = instructionState.lFrame;\n    var index = lFrame.bindingRootIndex;\n    if (index === -1) {\n        index = lFrame.bindingRootIndex = lFrame.tView.bindingStartIndex;\n    }\n    return index;\n}\nfunction getBindingIndex() {\n    return instructionState.lFrame.bindingIndex;\n}\nfunction setBindingIndex(value) {\n    return instructionState.lFrame.bindingIndex = value;\n}\nfunction nextBindingIndex() {\n    return instructionState.lFrame.bindingIndex++;\n}\nfunction incrementBindingIndex(count) {\n    var lFrame = instructionState.lFrame;\n    var index = lFrame.bindingIndex;\n    lFrame.bindingIndex = lFrame.bindingIndex + count;\n    return index;\n}\n/**\n * Set a new binding root index so that host template functions can execute.\n *\n * Bindings inside the host template are 0 index. But because we don't know ahead of time\n * how many host bindings we have we can't pre-compute them. For this reason they are all\n * 0 index and we just shift the root so that they match next available location in the LView.\n *\n * @param bindingRootIndex Root index for `hostBindings`\n * @param currentDirectiveIndex `TData[currentDirectiveIndex]` will point to the current directive\n *        whose `hostBindings` are being processed.\n */\nfunction setBindingRootForHostBindings(bindingRootIndex, currentDirectiveIndex) {\n    var lFrame = instructionState.lFrame;\n    lFrame.bindingIndex = lFrame.bindingRootIndex = bindingRootIndex;\n    lFrame.currentDirectiveIndex = currentDirectiveIndex;\n}\n/**\n * When host binding is executing this points to the directive index.\n * `TView.data[getCurrentDirectiveIndex()]` is `DirectiveDef`\n * `LView[getCurrentDirectiveIndex()]` is directive instance.\n */\nfunction getCurrentDirectiveIndex() {\n    return instructionState.lFrame.currentDirectiveIndex;\n}\nfunction getCurrentQueryIndex() {\n    return instructionState.lFrame.currentQueryIndex;\n}\nfunction setCurrentQueryIndex(value) {\n    instructionState.lFrame.currentQueryIndex = value;\n}\n/**\n * This is a light weight version of the `enterView` which is needed by the DI system.\n * @param newView\n * @param tNode\n */\nfunction enterDI(newView, tNode) {\n    ngDevMode && assertLViewOrUndefined(newView);\n    var newLFrame = allocLFrame();\n    instructionState.lFrame = newLFrame;\n    newLFrame.previousOrParentTNode = tNode;\n    newLFrame.lView = newView;\n    if (ngDevMode) {\n        // resetting for safety in dev mode only.\n        newLFrame.isParent = DEV_MODE_VALUE;\n        newLFrame.selectedIndex = DEV_MODE_VALUE;\n        newLFrame.contextLView = DEV_MODE_VALUE;\n        newLFrame.elementDepthCount = DEV_MODE_VALUE;\n        newLFrame.currentNamespace = DEV_MODE_VALUE;\n        newLFrame.currentSanitizer = DEV_MODE_VALUE;\n        newLFrame.bindingRootIndex = DEV_MODE_VALUE;\n        newLFrame.currentQueryIndex = DEV_MODE_VALUE;\n    }\n}\nvar DEV_MODE_VALUE = 'Value indicating that DI is trying to read value which it should not need to know about.';\n/**\n * This is a light weight version of the `leaveView` which is needed by the DI system.\n *\n * Because the implementation is same it is only an alias\n */\nvar leaveDI = leaveView;\n/**\n * Swap the current lView with a new lView.\n *\n * For performance reasons we store the lView in the top level of the module.\n * This way we minimize the number of properties to read. Whenever a new view\n * is entered we have to store the lView for later, and when the view is\n * exited the state has to be restored\n *\n * @param newView New lView to become active\n * @param tNode Element to which the View is a child of\n * @returns the previously active lView;\n */\nfunction enterView(newView, tNode) {\n    ngDevMode && assertLViewOrUndefined(newView);\n    var newLFrame = allocLFrame();\n    var tView = newView[TVIEW];\n    instructionState.lFrame = newLFrame;\n    newLFrame.previousOrParentTNode = tNode;\n    newLFrame.isParent = true;\n    newLFrame.lView = newView;\n    newLFrame.tView = tView;\n    newLFrame.selectedIndex = 0;\n    newLFrame.contextLView = newView;\n    newLFrame.elementDepthCount = 0;\n    newLFrame.currentDirectiveIndex = -1;\n    newLFrame.currentNamespace = null;\n    newLFrame.currentSanitizer = null;\n    newLFrame.bindingRootIndex = -1;\n    newLFrame.bindingIndex = tView.bindingStartIndex;\n    newLFrame.currentQueryIndex = 0;\n}\n/**\n * Allocates next free LFrame. This function tries to reuse the `LFrame`s to lower memory pressure.\n */\nfunction allocLFrame() {\n    var currentLFrame = instructionState.lFrame;\n    var childLFrame = currentLFrame === null ? null : currentLFrame.child;\n    var newLFrame = childLFrame === null ? createLFrame(currentLFrame) : childLFrame;\n    return newLFrame;\n}\nfunction createLFrame(parent) {\n    var lFrame = {\n        previousOrParentTNode: null,\n        isParent: true,\n        lView: null,\n        tView: null,\n        selectedIndex: 0,\n        contextLView: null,\n        elementDepthCount: 0,\n        currentNamespace: null,\n        currentSanitizer: null,\n        currentDirectiveIndex: -1,\n        bindingRootIndex: -1,\n        bindingIndex: -1,\n        currentQueryIndex: 0,\n        parent: parent,\n        child: null,\n    };\n    parent !== null && (parent.child = lFrame); // link the new LFrame for reuse.\n    return lFrame;\n}\nfunction leaveView() {\n    instructionState.lFrame = instructionState.lFrame.parent;\n}\nfunction nextContextImpl(level) {\n    var contextLView = instructionState.lFrame.contextLView =\n        walkUpViews(level, instructionState.lFrame.contextLView);\n    return contextLView[CONTEXT];\n}\nfunction walkUpViews(nestingLevel, currentView) {\n    while (nestingLevel > 0) {\n        ngDevMode && assertDefined(currentView[DECLARATION_VIEW], 'Declaration view should be defined if nesting level is greater than 0.');\n        currentView = currentView[DECLARATION_VIEW];\n        nestingLevel--;\n    }\n    return currentView;\n}\n/**\n * Gets the currently selected element index.\n *\n * Used with {@link property} instruction (and more in the future) to identify the index in the\n * current `LView` to act on.\n */\nfunction getSelectedIndex() {\n    return instructionState.lFrame.selectedIndex;\n}\n/**\n * Sets the most recent index passed to {@link select}\n *\n * Used with {@link property} instruction (and more in the future) to identify the index in the\n * current `LView` to act on.\n *\n * (Note that if an \"exit function\" was set earlier (via `setElementExitFn()`) then that will be\n * run if and when the provided `index` value is different from the current selected index value.)\n */\nfunction setSelectedIndex(index) {\n    instructionState.lFrame.selectedIndex = index;\n}\n/**\n * Sets the namespace used to create elements to `'http://www.w3.org/2000/svg'` in global state.\n *\n * @codeGenApi\n */\nfunction ɵɵnamespaceSVG() {\n    instructionState.lFrame.currentNamespace = 'http://www.w3.org/2000/svg';\n}\n/**\n * Sets the namespace used to create elements to `'http://www.w3.org/1998/MathML/'` in global state.\n *\n * @codeGenApi\n */\nfunction ɵɵnamespaceMathML() {\n    instructionState.lFrame.currentNamespace = 'http://www.w3.org/1998/MathML/';\n}\n/**\n * Sets the namespace used to create elements to `null`, which forces element creation to use\n * `createElement` rather than `createElementNS`.\n *\n * @codeGenApi\n */\nfunction ɵɵnamespaceHTML() {\n    namespaceHTMLInternal();\n}\n/**\n * Sets the namespace used to create elements to `null`, which forces element creation to use\n * `createElement` rather than `createElementNS`.\n */\nfunction namespaceHTMLInternal() {\n    instructionState.lFrame.currentNamespace = null;\n}\nfunction getNamespace() {\n    return instructionState.lFrame.currentNamespace;\n}\nfunction setCurrentStyleSanitizer(sanitizer) {\n    instructionState.lFrame.currentSanitizer = sanitizer;\n}\nfunction resetCurrentStyleSanitizer() {\n    setCurrentStyleSanitizer(null);\n}\nfunction getCurrentStyleSanitizer() {\n    // TODO(misko): This should throw when there is no LView, but it turns out we can get here from\n    // `NodeStyleDebug` hence we return `null`. This should be fixed\n    var lFrame = instructionState.lFrame;\n    return lFrame === null ? null : lFrame.currentSanitizer;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Adds all directive lifecycle hooks from the given `DirectiveDef` to the given `TView`.\n *\n * Must be run *only* on the first template pass.\n *\n * Sets up the pre-order hooks on the provided `tView`,\n * see {@link HookData} for details about the data structure.\n *\n * @param directiveIndex The index of the directive in LView\n * @param directiveDef The definition containing the hooks to setup in tView\n * @param tView The current TView\n */\nfunction registerPreOrderHooks(directiveIndex, directiveDef, tView) {\n    ngDevMode && assertFirstCreatePass(tView);\n    var onChanges = directiveDef.onChanges, onInit = directiveDef.onInit, doCheck = directiveDef.doCheck;\n    if (onChanges) {\n        (tView.preOrderHooks || (tView.preOrderHooks = [])).push(directiveIndex, onChanges);\n        (tView.preOrderCheckHooks || (tView.preOrderCheckHooks = [])).push(directiveIndex, onChanges);\n    }\n    if (onInit) {\n        (tView.preOrderHooks || (tView.preOrderHooks = [])).push(-directiveIndex, onInit);\n    }\n    if (doCheck) {\n        (tView.preOrderHooks || (tView.preOrderHooks = [])).push(directiveIndex, doCheck);\n        (tView.preOrderCheckHooks || (tView.preOrderCheckHooks = [])).push(directiveIndex, doCheck);\n    }\n}\n/**\n *\n * Loops through the directives on the provided `tNode` and queues hooks to be\n * run that are not initialization hooks.\n *\n * Should be executed during `elementEnd()` and similar to\n * preserve hook execution order. Content, view, and destroy hooks for projected\n * components and directives must be called *before* their hosts.\n *\n * Sets up the content, view, and destroy hooks on the provided `tView`,\n * see {@link HookData} for details about the data structure.\n *\n * NOTE: This does not set up `onChanges`, `onInit` or `doCheck`, those are set up\n * separately at `elementStart`.\n *\n * @param tView The current TView\n * @param tNode The TNode whose directives are to be searched for hooks to queue\n */\nfunction registerPostOrderHooks(tView, tNode) {\n    ngDevMode && assertFirstCreatePass(tView);\n    // It's necessary to loop through the directives at elementEnd() (rather than processing in\n    // directiveCreate) so we can preserve the current hook order. Content, view, and destroy\n    // hooks for projected components and directives must be called *before* their hosts.\n    for (var i = tNode.directiveStart, end = tNode.directiveEnd; i < end; i++) {\n        var directiveDef = tView.data[i];\n        if (directiveDef.afterContentInit) {\n            (tView.contentHooks || (tView.contentHooks = [])).push(-i, directiveDef.afterContentInit);\n        }\n        if (directiveDef.afterContentChecked) {\n            (tView.contentHooks || (tView.contentHooks = [])).push(i, directiveDef.afterContentChecked);\n            (tView.contentCheckHooks || (tView.contentCheckHooks = [])).push(i, directiveDef.afterContentChecked);\n        }\n        if (directiveDef.afterViewInit) {\n            (tView.viewHooks || (tView.viewHooks = [])).push(-i, directiveDef.afterViewInit);\n        }\n        if (directiveDef.afterViewChecked) {\n            (tView.viewHooks || (tView.viewHooks = [])).push(i, directiveDef.afterViewChecked);\n            (tView.viewCheckHooks || (tView.viewCheckHooks = [])).push(i, directiveDef.afterViewChecked);\n        }\n        if (directiveDef.onDestroy != null) {\n            (tView.destroyHooks || (tView.destroyHooks = [])).push(i, directiveDef.onDestroy);\n        }\n    }\n}\n/**\n * Executing hooks requires complex logic as we need to deal with 2 constraints.\n *\n * 1. Init hooks (ngOnInit, ngAfterContentInit, ngAfterViewInit) must all be executed once and only\n * once, across many change detection cycles. This must be true even if some hooks throw, or if\n * some recursively trigger a change detection cycle.\n * To solve that, it is required to track the state of the execution of these init hooks.\n * This is done by storing and maintaining flags in the view: the {@link InitPhaseState},\n * and the index within that phase. They can be seen as a cursor in the following structure:\n * [[onInit1, onInit2], [afterContentInit1], [afterViewInit1, afterViewInit2, afterViewInit3]]\n * They are are stored as flags in LView[FLAGS].\n *\n * 2. Pre-order hooks can be executed in batches, because of the select instruction.\n * To be able to pause and resume their execution, we also need some state about the hook's array\n * that is being processed:\n * - the index of the next hook to be executed\n * - the number of init hooks already found in the processed part of the  array\n * They are are stored as flags in LView[PREORDER_HOOK_FLAGS].\n */\n/**\n * Executes pre-order check hooks ( OnChanges, DoChanges) given a view where all the init hooks were\n * executed once. This is a light version of executeInitAndCheckPreOrderHooks where we can skip read\n * / write of the init-hooks related flags.\n * @param lView The LView where hooks are defined\n * @param hooks Hooks to be run\n * @param nodeIndex 3 cases depending on the value:\n * - undefined: all hooks from the array should be executed (post-order case)\n * - null: execute hooks only from the saved index until the end of the array (pre-order case, when\n * flushing the remaining hooks)\n * - number: execute hooks only from the saved index until that node index exclusive (pre-order\n * case, when executing select(number))\n */\nfunction executeCheckHooks(lView, hooks, nodeIndex) {\n    callHooks(lView, hooks, 3 /* InitPhaseCompleted */, nodeIndex);\n}\n/**\n * Executes post-order init and check hooks (one of AfterContentInit, AfterContentChecked,\n * AfterViewInit, AfterViewChecked) given a view where there are pending init hooks to be executed.\n * @param lView The LView where hooks are defined\n * @param hooks Hooks to be run\n * @param initPhase A phase for which hooks should be run\n * @param nodeIndex 3 cases depending on the value:\n * - undefined: all hooks from the array should be executed (post-order case)\n * - null: execute hooks only from the saved index until the end of the array (pre-order case, when\n * flushing the remaining hooks)\n * - number: execute hooks only from the saved index until that node index exclusive (pre-order\n * case, when executing select(number))\n */\nfunction executeInitAndCheckHooks(lView, hooks, initPhase, nodeIndex) {\n    ngDevMode && assertNotEqual(initPhase, 3 /* InitPhaseCompleted */, 'Init pre-order hooks should not be called more than once');\n    if ((lView[FLAGS] & 3 /* InitPhaseStateMask */) === initPhase) {\n        callHooks(lView, hooks, initPhase, nodeIndex);\n    }\n}\nfunction incrementInitPhaseFlags(lView, initPhase) {\n    ngDevMode &&\n        assertNotEqual(initPhase, 3 /* InitPhaseCompleted */, 'Init hooks phase should not be incremented after all init hooks have been run.');\n    var flags = lView[FLAGS];\n    if ((flags & 3 /* InitPhaseStateMask */) === initPhase) {\n        flags &= 1023 /* IndexWithinInitPhaseReset */;\n        flags += 1 /* InitPhaseStateIncrementer */;\n        lView[FLAGS] = flags;\n    }\n}\n/**\n * Calls lifecycle hooks with their contexts, skipping init hooks if it's not\n * the first LView pass\n *\n * @param currentView The current view\n * @param arr The array in which the hooks are found\n * @param initPhaseState the current state of the init phase\n * @param currentNodeIndex 3 cases depending on the value:\n * - undefined: all hooks from the array should be executed (post-order case)\n * - null: execute hooks only from the saved index until the end of the array (pre-order case, when\n * flushing the remaining hooks)\n * - number: execute hooks only from the saved index until that node index exclusive (pre-order\n * case, when executing select(number))\n */\nfunction callHooks(currentView, arr, initPhase, currentNodeIndex) {\n    ngDevMode && assertEqual(getCheckNoChangesMode(), false, 'Hooks should never be run in the check no changes mode.');\n    var startIndex = currentNodeIndex !== undefined ?\n        (currentView[PREORDER_HOOK_FLAGS] & 65535 /* IndexOfTheNextPreOrderHookMaskMask */) :\n        0;\n    var nodeIndexLimit = currentNodeIndex != null ? currentNodeIndex : -1;\n    var lastNodeIndexFound = 0;\n    for (var i = startIndex; i < arr.length; i++) {\n        var hook = arr[i + 1];\n        if (typeof hook === 'number') {\n            lastNodeIndexFound = arr[i];\n            if (currentNodeIndex != null && lastNodeIndexFound >= currentNodeIndex) {\n                break;\n            }\n        }\n        else {\n            var isInitHook = arr[i] < 0;\n            if (isInitHook)\n                currentView[PREORDER_HOOK_FLAGS] += 65536 /* NumberOfInitHooksCalledIncrementer */;\n            if (lastNodeIndexFound < nodeIndexLimit || nodeIndexLimit == -1) {\n                callHook(currentView, initPhase, arr, i);\n                currentView[PREORDER_HOOK_FLAGS] =\n                    (currentView[PREORDER_HOOK_FLAGS] & 4294901760 /* NumberOfInitHooksCalledMask */) + i +\n                        2;\n            }\n            i++;\n        }\n    }\n}\n/**\n * Execute one hook against the current `LView`.\n *\n * @param currentView The current view\n * @param initPhaseState the current state of the init phase\n * @param arr The array in which the hooks are found\n * @param i The current index within the hook data array\n */\nfunction callHook(currentView, initPhase, arr, i) {\n    var isInitHook = arr[i] < 0;\n    var hook = arr[i + 1];\n    var directiveIndex = isInitHook ? -arr[i] : arr[i];\n    var directive = currentView[directiveIndex];\n    if (isInitHook) {\n        var indexWithintInitPhase = currentView[FLAGS] >> 10 /* IndexWithinInitPhaseShift */;\n        // The init phase state must be always checked here as it may have been recursively\n        // updated\n        if (indexWithintInitPhase <\n            (currentView[PREORDER_HOOK_FLAGS] >> 16 /* NumberOfInitHooksCalledShift */) &&\n            (currentView[FLAGS] & 3 /* InitPhaseStateMask */) === initPhase) {\n            currentView[FLAGS] += 1024 /* IndexWithinInitPhaseIncrementer */;\n            hook.call(directive);\n        }\n    }\n    else {\n        hook.call(directive);\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar TNODE = 8;\nvar PARENT_INJECTOR = 8;\nvar INJECTOR_BLOOM_PARENT_SIZE = 9;\nvar NO_PARENT_INJECTOR = -1;\n/**\n * Each injector is saved in 9 contiguous slots in `LView` and 9 contiguous slots in\n * `TView.data`. This allows us to store information about the current node's tokens (which\n * can be shared in `TView`) as well as the tokens of its ancestor nodes (which cannot be\n * shared, so they live in `LView`).\n *\n * Each of these slots (aside from the last slot) contains a bloom filter. This bloom filter\n * determines whether a directive is available on the associated node or not. This prevents us\n * from searching the directives array at this level unless it's probable the directive is in it.\n *\n * See: https://en.wikipedia.org/wiki/Bloom_filter for more about bloom filters.\n *\n * Because all injectors have been flattened into `LView` and `TViewData`, they cannot typed\n * using interfaces as they were previously. The start index of each `LInjector` and `TInjector`\n * will differ based on where it is flattened into the main array, so it's not possible to know\n * the indices ahead of time and save their types here. The interfaces are still included here\n * for documentation purposes.\n *\n * export interface LInjector extends Array<any> {\n *\n *    // Cumulative bloom for directive IDs 0-31  (IDs are % BLOOM_SIZE)\n *    [0]: number;\n *\n *    // Cumulative bloom for directive IDs 32-63\n *    [1]: number;\n *\n *    // Cumulative bloom for directive IDs 64-95\n *    [2]: number;\n *\n *    // Cumulative bloom for directive IDs 96-127\n *    [3]: number;\n *\n *    // Cumulative bloom for directive IDs 128-159\n *    [4]: number;\n *\n *    // Cumulative bloom for directive IDs 160 - 191\n *    [5]: number;\n *\n *    // Cumulative bloom for directive IDs 192 - 223\n *    [6]: number;\n *\n *    // Cumulative bloom for directive IDs 224 - 255\n *    [7]: number;\n *\n *    // We need to store a reference to the injector's parent so DI can keep looking up\n *    // the injector tree until it finds the dependency it's looking for.\n *    [PARENT_INJECTOR]: number;\n * }\n *\n * export interface TInjector extends Array<any> {\n *\n *    // Shared node bloom for directive IDs 0-31  (IDs are % BLOOM_SIZE)\n *    [0]: number;\n *\n *    // Shared node bloom for directive IDs 32-63\n *    [1]: number;\n *\n *    // Shared node bloom for directive IDs 64-95\n *    [2]: number;\n *\n *    // Shared node bloom for directive IDs 96-127\n *    [3]: number;\n *\n *    // Shared node bloom for directive IDs 128-159\n *    [4]: number;\n *\n *    // Shared node bloom for directive IDs 160 - 191\n *    [5]: number;\n *\n *    // Shared node bloom for directive IDs 192 - 223\n *    [6]: number;\n *\n *    // Shared node bloom for directive IDs 224 - 255\n *    [7]: number;\n *\n *    // Necessary to find directive indices for a particular node.\n *    [TNODE]: TElementNode|TElementContainerNode|TContainerNode;\n *  }\n */\n/**\n* Factory for creating instances of injectors in the NodeInjector.\n*\n* This factory is complicated by the fact that it can resolve `multi` factories as well.\n*\n* NOTE: Some of the fields are optional which means that this class has two hidden classes.\n* - One without `multi` support (most common)\n* - One with `multi` values, (rare).\n*\n* Since VMs can cache up to 4 inline hidden classes this is OK.\n*\n* - Single factory: Only `resolving` and `factory` is defined.\n* - `providers` factory: `componentProviders` is a number and `index = -1`.\n* - `viewProviders` factory: `componentProviders` is a number and `index` points to `providers`.\n*/\nvar NodeInjectorFactory = /** @class */ (function () {\n    function NodeInjectorFactory(\n    /**\n     * Factory to invoke in order to create a new instance.\n     */\n    factory, \n    /**\n     * Set to `true` if the token is declared in `viewProviders` (or if it is component).\n     */\n    isViewProvider, injectImplementation) {\n        this.factory = factory;\n        /**\n         * Marker set to true during factory invocation to see if we get into recursive loop.\n         * Recursive loop causes an error to be displayed.\n         */\n        this.resolving = false;\n        this.canSeeViewProviders = isViewProvider;\n        this.injectImpl = injectImplementation;\n    }\n    return NodeInjectorFactory;\n}());\nfunction isFactory(obj) {\n    return obj instanceof NodeInjectorFactory;\n}\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\nvar unusedValueExportToPlacateAjd$2 = 1;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction assertNodeType(tNode, type) {\n    assertDefined(tNode, 'should be called with a TNode');\n    assertEqual(tNode.type, type, \"should be a \" + typeName(type));\n}\nfunction assertNodeOfPossibleTypes(tNode) {\n    var types = [];\n    for (var _i = 1; _i < arguments.length; _i++) {\n        types[_i - 1] = arguments[_i];\n    }\n    assertDefined(tNode, 'should be called with a TNode');\n    var found = types.some(function (type) { return tNode.type === type; });\n    assertEqual(found, true, \"Should be one of \" + types.map(typeName).join(', ') + \" but got \" + typeName(tNode.type));\n}\nfunction typeName(type) {\n    if (type == 1 /* Projection */)\n        return 'Projection';\n    if (type == 0 /* Container */)\n        return 'Container';\n    if (type == 5 /* IcuContainer */)\n        return 'IcuContainer';\n    if (type == 2 /* View */)\n        return 'View';\n    if (type == 3 /* Element */)\n        return 'Element';\n    if (type == 4 /* ElementContainer */)\n        return 'ElementContainer';\n    return '<unknown>';\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Most of the use of `document` in Angular is from within the DI system so it is possible to simply\n * inject the `DOCUMENT` token and are done.\n *\n * Ivy is special because it does not rely upon the DI and must get hold of the document some other\n * way.\n *\n * The solution is to define `getDocument()` and `setDocument()` top-level functions for ivy.\n * Wherever ivy needs the global document, it calls `getDocument()` instead.\n *\n * When running ivy outside of a browser environment, it is necessary to call `setDocument()` to\n * tell ivy what the global `document` is.\n *\n * Angular does this for us in each of the standard platforms (`Browser`, `Server`, and `WebWorker`)\n * by calling `setDocument()` when providing the `DOCUMENT` token.\n */\nvar DOCUMENT = undefined;\n/**\n * Tell ivy what the `document` is for this platform.\n *\n * It is only necessary to call this if the current platform is not a browser.\n *\n * @param document The object representing the global `document` in this environment.\n */\nfunction setDocument(document) {\n    DOCUMENT = document;\n}\n/**\n * Access the object that represents the `document` for this platform.\n *\n * Ivy calls this whenever it needs to access the `document` object.\n * For example to create the renderer or to do sanitization.\n */\nfunction getDocument() {\n    if (DOCUMENT !== undefined) {\n        return DOCUMENT;\n    }\n    else if (typeof document !== 'undefined') {\n        return document;\n    }\n    // No \"document\" can be found. This should only happen if we are running ivy outside Angular and\n    // the current platform is not a browser. Since this is not a supported scenario at the moment\n    // this should not happen in Angular apps.\n    // Once we support running ivy outside of Angular we will need to publish `setDocument()` as a\n    // public API. Meanwhile we just return `undefined` and let the application fail.\n    return undefined;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// TODO: cleanup once the code is merged in angular/angular\nvar RendererStyleFlags3;\n(function (RendererStyleFlags3) {\n    RendererStyleFlags3[RendererStyleFlags3[\"Important\"] = 1] = \"Important\";\n    RendererStyleFlags3[RendererStyleFlags3[\"DashCase\"] = 2] = \"DashCase\";\n})(RendererStyleFlags3 || (RendererStyleFlags3 = {}));\n/** Returns whether the `renderer` is a `ProceduralRenderer3` */\nfunction isProceduralRenderer(renderer) {\n    return !!(renderer.listen);\n}\nvar ɵ0$2 = function (hostElement, rendererType) { return getDocument(); };\nvar domRendererFactory3 = {\n    createRenderer: ɵ0$2\n};\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\nvar unusedValueExportToPlacateAjd$3 = 1;\n\n/**\n * Assigns all attribute values to the provided element via the inferred renderer.\n *\n * This function accepts two forms of attribute entries:\n *\n * default: (key, value):\n *  attrs = [key1, value1, key2, value2]\n *\n * namespaced: (NAMESPACE_MARKER, uri, name, value)\n *  attrs = [NAMESPACE_MARKER, uri, name, value, NAMESPACE_MARKER, uri, name, value]\n *\n * The `attrs` array can contain a mix of both the default and namespaced entries.\n * The \"default\" values are set without a marker, but if the function comes across\n * a marker value then it will attempt to set a namespaced value. If the marker is\n * not of a namespaced value then the function will quit and return the index value\n * where it stopped during the iteration of the attrs array.\n *\n * See [AttributeMarker] to understand what the namespace marker value is.\n *\n * Note that this instruction does not support assigning style and class values to\n * an element. See `elementStart` and `elementHostAttrs` to learn how styling values\n * are applied to an element.\n * @param renderer The renderer to be used\n * @param native The element that the attributes will be assigned to\n * @param attrs The attribute array of values that will be assigned to the element\n * @returns the index value that was last accessed in the attributes array\n */\nfunction setUpAttributes(renderer, native, attrs) {\n    var isProc = isProceduralRenderer(renderer);\n    var i = 0;\n    while (i < attrs.length) {\n        var value = attrs[i];\n        if (typeof value === 'number') {\n            // only namespaces are supported. Other value types (such as style/class\n            // entries) are not supported in this function.\n            if (value !== 0 /* NamespaceURI */) {\n                break;\n            }\n            // we just landed on the marker value ... therefore\n            // we should skip to the next entry\n            i++;\n            var namespaceURI = attrs[i++];\n            var attrName = attrs[i++];\n            var attrVal = attrs[i++];\n            ngDevMode && ngDevMode.rendererSetAttribute++;\n            isProc ?\n                renderer.setAttribute(native, attrName, attrVal, namespaceURI) :\n                native.setAttributeNS(namespaceURI, attrName, attrVal);\n        }\n        else {\n            // attrName is string;\n            var attrName = value;\n            var attrVal = attrs[++i];\n            // Standard attributes\n            ngDevMode && ngDevMode.rendererSetAttribute++;\n            if (isAnimationProp(attrName)) {\n                if (isProc) {\n                    renderer.setProperty(native, attrName, attrVal);\n                }\n            }\n            else {\n                isProc ?\n                    renderer.setAttribute(native, attrName, attrVal) :\n                    native.setAttribute(attrName, attrVal);\n            }\n            i++;\n        }\n    }\n    // another piece of code may iterate over the same attributes array. Therefore\n    // it may be helpful to return the exact spot where the attributes array exited\n    // whether by running into an unsupported marker or if all the static values were\n    // iterated over.\n    return i;\n}\n/**\n * Test whether the given value is a marker that indicates that the following\n * attribute values in a `TAttributes` array are only the names of attributes,\n * and not name-value pairs.\n * @param marker The attribute marker to test.\n * @returns true if the marker is a \"name-only\" marker (e.g. `Bindings`, `Template` or `I18n`).\n */\nfunction isNameOnlyAttributeMarker(marker) {\n    return marker === 3 /* Bindings */ || marker === 4 /* Template */ ||\n        marker === 6 /* I18n */;\n}\nfunction isAnimationProp(name) {\n    // Perf note: accessing charCodeAt to check for the first character of a string is faster as\n    // compared to accessing a character at index 0 (ex. name[0]). The main reason for this is that\n    // charCodeAt doesn't allocate memory to return a substring.\n    return name.charCodeAt(0) === 64 /* AT_SIGN */;\n}\n/**\n * Merges `src` `TAttributes` into `dst` `TAttributes` removing any duplicates in the process.\n *\n * This merge function keeps the order of attrs same.\n *\n * @param dst Location of where the merged `TAttributes` should end up.\n * @param src `TAttributes` which should be appended to `dst`\n */\nfunction mergeHostAttrs(dst, src) {\n    if (src === null || src.length === 0) {\n        // do nothing\n    }\n    else if (dst === null || dst.length === 0) {\n        // We have source, but dst is empty, just make a copy.\n        dst = src.slice();\n    }\n    else {\n        var srcMarker = -1 /* ImplicitAttributes */;\n        for (var i = 0; i < src.length; i++) {\n            var item = src[i];\n            if (typeof item === 'number') {\n                srcMarker = item;\n            }\n            else {\n                if (srcMarker === 0 /* NamespaceURI */) {\n                    // Case where we need to consume `key1`, `key2`, `value` items.\n                }\n                else if (srcMarker === -1 /* ImplicitAttributes */ ||\n                    srcMarker === 2 /* Styles */) {\n                    // Case where we have to consume `key1` and `value` only.\n                    mergeHostAttribute(dst, srcMarker, item, null, src[++i]);\n                }\n                else {\n                    // Case where we have to consume `key1` only.\n                    mergeHostAttribute(dst, srcMarker, item, null, null);\n                }\n            }\n        }\n    }\n    return dst;\n}\n/**\n * Append `key`/`value` to existing `TAttributes` taking region marker and duplicates into account.\n *\n * @param dst `TAttributes` to append to.\n * @param marker Region where the `key`/`value` should be added.\n * @param key1 Key to add to `TAttributes`\n * @param key2 Key to add to `TAttributes` (in case of `AttributeMarker.NamespaceURI`)\n * @param value Value to add or to overwrite to `TAttributes` Only used if `marker` is not Class.\n */\nfunction mergeHostAttribute(dst, marker, key1, key2, value) {\n    var i = 0;\n    // Assume that new markers will be inserted at the end.\n    var markerInsertPosition = dst.length;\n    // scan until correct type.\n    if (marker === -1 /* ImplicitAttributes */) {\n        markerInsertPosition = -1;\n    }\n    else {\n        while (i < dst.length) {\n            var dstValue = dst[i++];\n            if (typeof dstValue === 'number') {\n                if (dstValue === marker) {\n                    markerInsertPosition = -1;\n                    break;\n                }\n                else if (dstValue > marker) {\n                    // We need to save this as we want the markers to be inserted in specific order.\n                    markerInsertPosition = i - 1;\n                    break;\n                }\n            }\n        }\n    }\n    // search until you find place of insertion\n    while (i < dst.length) {\n        var item = dst[i];\n        if (typeof item === 'number') {\n            // since `i` started as the index after the marker, we did not find it if we are at the next\n            // marker\n            break;\n        }\n        else if (item === key1) {\n            // We already have same token\n            if (key2 === null) {\n                if (value !== null) {\n                    dst[i + 1] = value;\n                }\n                return;\n            }\n            else if (key2 === dst[i + 1]) {\n                dst[i + 2] = value;\n                return;\n            }\n        }\n        // Increment counter.\n        i++;\n        if (key2 !== null)\n            i++;\n        if (value !== null)\n            i++;\n    }\n    // insert at location.\n    if (markerInsertPosition !== -1) {\n        dst.splice(markerInsertPosition, 0, marker);\n        i = markerInsertPosition + 1;\n    }\n    dst.splice(i++, 0, key1);\n    if (key2 !== null) {\n        dst.splice(i++, 0, key2);\n    }\n    if (value !== null) {\n        dst.splice(i++, 0, value);\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/// Parent Injector Utils ///////////////////////////////////////////////////////////////\nfunction hasParentInjector(parentLocation) {\n    return parentLocation !== NO_PARENT_INJECTOR;\n}\nfunction getParentInjectorIndex(parentLocation) {\n    return parentLocation & 32767 /* InjectorIndexMask */;\n}\nfunction getParentInjectorViewOffset(parentLocation) {\n    return parentLocation >> 16 /* ViewOffsetShift */;\n}\n/**\n * Unwraps a parent injector location number to find the view offset from the current injector,\n * then walks up the declaration view tree until the view is found that contains the parent\n * injector.\n *\n * @param location The location of the parent injector, which contains the view offset\n * @param startView The LView instance from which to start walking up the view tree\n * @returns The LView instance that contains the parent injector\n */\nfunction getParentInjectorView(location, startView) {\n    var viewOffset = getParentInjectorViewOffset(location);\n    var parentView = startView;\n    // For most cases, the parent injector can be found on the host node (e.g. for component\n    // or container), but we must keep the loop here to support the rarer case of deeply nested\n    // <ng-template> tags or inline views, where the parent injector might live many views\n    // above the child injector.\n    while (viewOffset > 0) {\n        parentView = parentView[DECLARATION_VIEW];\n        viewOffset--;\n    }\n    return parentView;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Used for stringify render output in Ivy.\n * Important! This function is very performance-sensitive and we should\n * be extra careful not to introduce megamorphic reads in it.\n */\nfunction renderStringify(value) {\n    if (typeof value === 'string')\n        return value;\n    if (value == null)\n        return '';\n    return '' + value;\n}\n/**\n * Used to stringify a value so that it can be displayed in an error message.\n * Important! This function contains a megamorphic read and should only be\n * used for error messages.\n */\nfunction stringifyForError(value) {\n    if (typeof value === 'function')\n        return value.name || value.toString();\n    if (typeof value === 'object' && value != null && typeof value.type === 'function') {\n        return value.type.name || value.type.toString();\n    }\n    return renderStringify(value);\n}\nvar ɵ0$3 = function () {\n    return (typeof requestAnimationFrame !== 'undefined' && requestAnimationFrame || // browser only\n        setTimeout // everything else\n    ).bind(_global);\n};\nvar defaultScheduler = (ɵ0$3)();\n/**\n *\n * @codeGenApi\n */\nfunction ɵɵresolveWindow(element) {\n    return { name: 'window', target: element.ownerDocument.defaultView };\n}\n/**\n *\n * @codeGenApi\n */\nfunction ɵɵresolveDocument(element) {\n    return { name: 'document', target: element.ownerDocument };\n}\n/**\n *\n * @codeGenApi\n */\nfunction ɵɵresolveBody(element) {\n    return { name: 'body', target: element.ownerDocument.body };\n}\n/**\n * The special delimiter we use to separate property names, prefixes, and suffixes\n * in property binding metadata. See storeBindingMetadata().\n *\n * We intentionally use the Unicode \"REPLACEMENT CHARACTER\" (U+FFFD) as a delimiter\n * because it is a very uncommon character that is unlikely to be part of a user's\n * property names or interpolation strings. If it is in fact used in a property\n * binding, DebugElement.properties will not return the correct value for that\n * binding. However, there should be no runtime effect for real applications.\n *\n * This character is typically rendered as a question mark inside of a diamond.\n * See https://en.wikipedia.org/wiki/Specials_(Unicode_block)\n *\n */\nvar INTERPOLATION_DELIMITER = \"\\uFFFD\";\n/**\n * Unwrap a value which might be behind a closure (for forward declaration reasons).\n */\nfunction maybeUnwrapFn(value) {\n    if (value instanceof Function) {\n        return value();\n    }\n    else {\n        return value;\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Defines if the call to `inject` should include `viewProviders` in its resolution.\n *\n * This is set to true when we try to instantiate a component. This value is reset in\n * `getNodeInjectable` to a value which matches the declaration location of the token about to be\n * instantiated. This is done so that if we are injecting a token which was declared outside of\n * `viewProviders` we don't accidentally pull `viewProviders` in.\n *\n * Example:\n *\n * ```\n * @Injectable()\n * class MyService {\n *   constructor(public value: String) {}\n * }\n *\n * @Component({\n *   providers: [\n *     MyService,\n *     {provide: String, value: 'providers' }\n *   ]\n *   viewProviders: [\n *     {provide: String, value: 'viewProviders'}\n *   ]\n * })\n * class MyComponent {\n *   constructor(myService: MyService, value: String) {\n *     // We expect that Component can see into `viewProviders`.\n *     expect(value).toEqual('viewProviders');\n *     // `MyService` was not declared in `viewProviders` hence it can't see it.\n *     expect(myService.value).toEqual('providers');\n *   }\n * }\n *\n * ```\n */\nvar includeViewProviders = true;\nfunction setIncludeViewProviders(v) {\n    var oldValue = includeViewProviders;\n    includeViewProviders = v;\n    return oldValue;\n}\n/**\n * The number of slots in each bloom filter (used by DI). The larger this number, the fewer\n * directives that will share slots, and thus, the fewer false positives when checking for\n * the existence of a directive.\n */\nvar BLOOM_SIZE = 256;\nvar BLOOM_MASK = BLOOM_SIZE - 1;\n/** Counter used to generate unique IDs for directives. */\nvar nextNgElementId = 0;\n/**\n * Registers this directive as present in its node's injector by flipping the directive's\n * corresponding bit in the injector's bloom filter.\n *\n * @param injectorIndex The index of the node injector where this token should be registered\n * @param tView The TView for the injector's bloom filters\n * @param type The directive token to register\n */\nfunction bloomAdd(injectorIndex, tView, type) {\n    ngDevMode && assertEqual(tView.firstCreatePass, true, 'expected firstCreatePass to be true');\n    var id = typeof type !== 'string' ? type[NG_ELEMENT_ID] : type.charCodeAt(0) || 0;\n    // Set a unique ID on the directive type, so if something tries to inject the directive,\n    // we can easily retrieve the ID and hash it into the bloom bit that should be checked.\n    if (id == null) {\n        id = type[NG_ELEMENT_ID] = nextNgElementId++;\n    }\n    // We only have BLOOM_SIZE (256) slots in our bloom filter (8 buckets * 32 bits each),\n    // so all unique IDs must be modulo-ed into a number from 0 - 255 to fit into the filter.\n    var bloomBit = id & BLOOM_MASK;\n    // Create a mask that targets the specific bit associated with the directive.\n    // JS bit operations are 32 bits, so this will be a number between 2^0 and 2^31, corresponding\n    // to bit positions 0 - 31 in a 32 bit integer.\n    var mask = 1 << bloomBit;\n    // Use the raw bloomBit number to determine which bloom filter bucket we should check\n    // e.g: bf0 = [0 - 31], bf1 = [32 - 63], bf2 = [64 - 95], bf3 = [96 - 127], etc\n    var b7 = bloomBit & 0x80;\n    var b6 = bloomBit & 0x40;\n    var b5 = bloomBit & 0x20;\n    var tData = tView.data;\n    if (b7) {\n        b6 ? (b5 ? (tData[injectorIndex + 7] |= mask) : (tData[injectorIndex + 6] |= mask)) :\n            (b5 ? (tData[injectorIndex + 5] |= mask) : (tData[injectorIndex + 4] |= mask));\n    }\n    else {\n        b6 ? (b5 ? (tData[injectorIndex + 3] |= mask) : (tData[injectorIndex + 2] |= mask)) :\n            (b5 ? (tData[injectorIndex + 1] |= mask) : (tData[injectorIndex] |= mask));\n    }\n}\n/**\n * Creates (or gets an existing) injector for a given element or container.\n *\n * @param tNode for which an injector should be retrieved / created.\n * @param hostView View where the node is stored\n * @returns Node injector\n */\nfunction getOrCreateNodeInjectorForNode(tNode, hostView) {\n    var existingInjectorIndex = getInjectorIndex(tNode, hostView);\n    if (existingInjectorIndex !== -1) {\n        return existingInjectorIndex;\n    }\n    var tView = hostView[TVIEW];\n    if (tView.firstCreatePass) {\n        tNode.injectorIndex = hostView.length;\n        insertBloom(tView.data, tNode); // foundation for node bloom\n        insertBloom(hostView, null); // foundation for cumulative bloom\n        insertBloom(tView.blueprint, null);\n    }\n    var parentLoc = getParentInjectorLocation(tNode, hostView);\n    var injectorIndex = tNode.injectorIndex;\n    // If a parent injector can't be found, its location is set to -1.\n    // In that case, we don't need to set up a cumulative bloom\n    if (hasParentInjector(parentLoc)) {\n        var parentIndex = getParentInjectorIndex(parentLoc);\n        var parentLView = getParentInjectorView(parentLoc, hostView);\n        var parentData = parentLView[TVIEW].data;\n        // Creates a cumulative bloom filter that merges the parent's bloom filter\n        // and its own cumulative bloom (which contains tokens for all ancestors)\n        for (var i = 0; i < 8; i++) {\n            hostView[injectorIndex + i] = parentLView[parentIndex + i] | parentData[parentIndex + i];\n        }\n    }\n    hostView[injectorIndex + PARENT_INJECTOR] = parentLoc;\n    return injectorIndex;\n}\nfunction insertBloom(arr, footer) {\n    arr.push(0, 0, 0, 0, 0, 0, 0, 0, footer);\n}\nfunction getInjectorIndex(tNode, hostView) {\n    if (tNode.injectorIndex === -1 ||\n        // If the injector index is the same as its parent's injector index, then the index has been\n        // copied down from the parent node. No injector has been created yet on this node.\n        (tNode.parent && tNode.parent.injectorIndex === tNode.injectorIndex) ||\n        // After the first template pass, the injector index might exist but the parent values\n        // might not have been calculated yet for this instance\n        hostView[tNode.injectorIndex + PARENT_INJECTOR] == null) {\n        return -1;\n    }\n    else {\n        return tNode.injectorIndex;\n    }\n}\n/**\n * Finds the index of the parent injector, with a view offset if applicable. Used to set the\n * parent injector initially.\n *\n * Returns a combination of number of `ViewData` we have to go up and index in that `Viewdata`\n */\nfunction getParentInjectorLocation(tNode, view) {\n    if (tNode.parent && tNode.parent.injectorIndex !== -1) {\n        return tNode.parent.injectorIndex; // ViewOffset is 0\n    }\n    // For most cases, the parent injector index can be found on the host node (e.g. for component\n    // or container), so this loop will be skipped, but we must keep the loop here to support\n    // the rarer case of deeply nested <ng-template> tags or inline views.\n    var hostTNode = view[T_HOST];\n    var viewOffset = 1;\n    while (hostTNode && hostTNode.injectorIndex === -1) {\n        view = view[DECLARATION_VIEW];\n        hostTNode = view ? view[T_HOST] : null;\n        viewOffset++;\n    }\n    return hostTNode ?\n        hostTNode.injectorIndex | (viewOffset << 16 /* ViewOffsetShift */) :\n        -1;\n}\n/**\n * Makes a type or an injection token public to the DI system by adding it to an\n * injector's bloom filter.\n *\n * @param di The node injector in which a directive will be added\n * @param token The type or the injection token to be made public\n */\nfunction diPublicInInjector(injectorIndex, tView, token) {\n    bloomAdd(injectorIndex, tView, token);\n}\n/**\n * Inject static attribute value into directive constructor.\n *\n * This method is used with `factory` functions which are generated as part of\n * `defineDirective` or `defineComponent`. The method retrieves the static value\n * of an attribute. (Dynamic attributes are not supported since they are not resolved\n *  at the time of injection and can change over time.)\n *\n * # Example\n * Given:\n * ```\n * @Component(...)\n * class MyComponent {\n *   constructor(@Attribute('title') title: string) { ... }\n * }\n * ```\n * When instantiated with\n * ```\n * <my-component title=\"Hello\"></my-component>\n * ```\n *\n * Then factory method generated is:\n * ```\n * MyComponent.ɵcmp = defineComponent({\n *   factory: () => new MyComponent(injectAttribute('title'))\n *   ...\n * })\n * ```\n *\n * @publicApi\n */\nfunction injectAttributeImpl(tNode, attrNameToInject) {\n    ngDevMode && assertNodeOfPossibleTypes(tNode, 0 /* Container */, 3 /* Element */, 4 /* ElementContainer */);\n    ngDevMode && assertDefined(tNode, 'expecting tNode');\n    if (attrNameToInject === 'class') {\n        return tNode.classes;\n    }\n    if (attrNameToInject === 'style') {\n        return tNode.styles;\n    }\n    var attrs = tNode.attrs;\n    if (attrs) {\n        var attrsLength = attrs.length;\n        var i = 0;\n        while (i < attrsLength) {\n            var value = attrs[i];\n            // If we hit a `Bindings` or `Template` marker then we are done.\n            if (isNameOnlyAttributeMarker(value))\n                break;\n            // Skip namespaced attributes\n            if (value === 0 /* NamespaceURI */) {\n                // we skip the next two values\n                // as namespaced attributes looks like\n                // [..., AttributeMarker.NamespaceURI, 'http://someuri.com/test', 'test:exist',\n                // 'existValue', ...]\n                i = i + 2;\n            }\n            else if (typeof value === 'number') {\n                // Skip to the first value of the marked attribute.\n                i++;\n                while (i < attrsLength && typeof attrs[i] === 'string') {\n                    i++;\n                }\n            }\n            else if (value === attrNameToInject) {\n                return attrs[i + 1];\n            }\n            else {\n                i = i + 2;\n            }\n        }\n    }\n    return null;\n}\n/**\n * Returns the value associated to the given token from the NodeInjectors => ModuleInjector.\n *\n * Look for the injector providing the token by walking up the node injector tree and then\n * the module injector tree.\n *\n * This function patches `token` with `__NG_ELEMENT_ID__` which contains the id for the bloom\n * filter. Negative values are reserved for special objects.\n *   - `-1` is reserved for injecting `Injector` (implemented by `NodeInjector`)\n *\n * @param tNode The Node where the search for the injector should start\n * @param lView The `LView` that contains the `tNode`\n * @param token The token to look for\n * @param flags Injection flags\n * @param notFoundValue The value to return when the injection flags is `InjectFlags.Optional`\n * @returns the value from the injector, `null` when not found, or `notFoundValue` if provided\n */\nfunction getOrCreateInjectable(tNode, lView, token, flags, notFoundValue) {\n    if (flags === void 0) { flags = InjectFlags.Default; }\n    if (tNode !== null) {\n        var bloomHash = bloomHashBitOrFactory(token);\n        // If the ID stored here is a function, this is a special object like ElementRef or TemplateRef\n        // so just call the factory function to create it.\n        if (typeof bloomHash === 'function') {\n            enterDI(lView, tNode);\n            try {\n                var value = bloomHash();\n                if (value == null && !(flags & InjectFlags.Optional)) {\n                    throw new Error(\"No provider for \" + stringifyForError(token) + \"!\");\n                }\n                else {\n                    return value;\n                }\n            }\n            finally {\n                leaveDI();\n            }\n        }\n        else if (typeof bloomHash == 'number') {\n            if (bloomHash === -1) {\n                // `-1` is a special value used to identify `Injector` types.\n                return new NodeInjector(tNode, lView);\n            }\n            // If the token has a bloom hash, then it is a token which could be in NodeInjector.\n            // A reference to the previous injector TView that was found while climbing the element\n            // injector tree. This is used to know if viewProviders can be accessed on the current\n            // injector.\n            var previousTView = null;\n            var injectorIndex = getInjectorIndex(tNode, lView);\n            var parentLocation = NO_PARENT_INJECTOR;\n            var hostTElementNode = flags & InjectFlags.Host ? lView[DECLARATION_COMPONENT_VIEW][T_HOST] : null;\n            // If we should skip this injector, or if there is no injector on this node, start by\n            // searching\n            // the parent injector.\n            if (injectorIndex === -1 || flags & InjectFlags.SkipSelf) {\n                parentLocation = injectorIndex === -1 ? getParentInjectorLocation(tNode, lView) :\n                    lView[injectorIndex + PARENT_INJECTOR];\n                if (!shouldSearchParent(flags, false)) {\n                    injectorIndex = -1;\n                }\n                else {\n                    previousTView = lView[TVIEW];\n                    injectorIndex = getParentInjectorIndex(parentLocation);\n                    lView = getParentInjectorView(parentLocation, lView);\n                }\n            }\n            // Traverse up the injector tree until we find a potential match or until we know there\n            // *isn't* a match.\n            while (injectorIndex !== -1) {\n                parentLocation = lView[injectorIndex + PARENT_INJECTOR];\n                // Check the current injector. If it matches, see if it contains token.\n                var tView = lView[TVIEW];\n                if (bloomHasToken(bloomHash, injectorIndex, tView.data)) {\n                    // At this point, we have an injector which *may* contain the token, so we step through\n                    // the providers and directives associated with the injector's corresponding node to get\n                    // the instance.\n                    var instance = searchTokensOnInjector(injectorIndex, lView, token, previousTView, flags, hostTElementNode);\n                    if (instance !== NOT_FOUND) {\n                        return instance;\n                    }\n                }\n                if (shouldSearchParent(flags, lView[TVIEW].data[injectorIndex + TNODE] === hostTElementNode) &&\n                    bloomHasToken(bloomHash, injectorIndex, lView)) {\n                    // The def wasn't found anywhere on this node, so it was a false positive.\n                    // Traverse up the tree and continue searching.\n                    previousTView = tView;\n                    injectorIndex = getParentInjectorIndex(parentLocation);\n                    lView = getParentInjectorView(parentLocation, lView);\n                }\n                else {\n                    // If we should not search parent OR If the ancestor bloom filter value does not have the\n                    // bit corresponding to the directive we can give up on traversing up to find the specific\n                    // injector.\n                    injectorIndex = -1;\n                }\n            }\n        }\n    }\n    if (flags & InjectFlags.Optional && notFoundValue === undefined) {\n        // This must be set or the NullInjector will throw for optional deps\n        notFoundValue = null;\n    }\n    if ((flags & (InjectFlags.Self | InjectFlags.Host)) === 0) {\n        var moduleInjector = lView[INJECTOR$1];\n        // switch to `injectInjectorOnly` implementation for module injector, since module injector\n        // should not have access to Component/Directive DI scope (that may happen through\n        // `directiveInject` implementation)\n        var previousInjectImplementation = setInjectImplementation(undefined);\n        try {\n            if (moduleInjector) {\n                return moduleInjector.get(token, notFoundValue, flags & InjectFlags.Optional);\n            }\n            else {\n                return injectRootLimpMode(token, notFoundValue, flags & InjectFlags.Optional);\n            }\n        }\n        finally {\n            setInjectImplementation(previousInjectImplementation);\n        }\n    }\n    if (flags & InjectFlags.Optional) {\n        return notFoundValue;\n    }\n    else {\n        throw new Error(\"NodeInjector: NOT_FOUND [\" + stringifyForError(token) + \"]\");\n    }\n}\nvar NOT_FOUND = {};\nfunction searchTokensOnInjector(injectorIndex, lView, token, previousTView, flags, hostTElementNode) {\n    var currentTView = lView[TVIEW];\n    var tNode = currentTView.data[injectorIndex + TNODE];\n    // First, we need to determine if view providers can be accessed by the starting element.\n    // There are two possibities\n    var canAccessViewProviders = previousTView == null ?\n        // 1) This is the first invocation `previousTView == null` which means that we are at the\n        // `TNode` of where injector is starting to look. In such a case the only time we are allowed\n        // to look into the ViewProviders is if:\n        // - we are on a component\n        // - AND the injector set `includeViewProviders` to true (implying that the token can see\n        // ViewProviders because it is the Component or a Service which itself was declared in\n        // ViewProviders)\n        (isComponentHost(tNode) && includeViewProviders) :\n        // 2) `previousTView != null` which means that we are now walking across the parent nodes.\n        // In such a case we are only allowed to look into the ViewProviders if:\n        // - We just crossed from child View to Parent View `previousTView != currentTView`\n        // - AND the parent TNode is an Element.\n        // This means that we just came from the Component's View and therefore are allowed to see\n        // into the ViewProviders.\n        (previousTView != currentTView && (tNode.type === 3 /* Element */));\n    // This special case happens when there is a @host on the inject and when we are searching\n    // on the host element node.\n    var isHostSpecialCase = (flags & InjectFlags.Host) && hostTElementNode === tNode;\n    var injectableIdx = locateDirectiveOrProvider(tNode, currentTView, token, canAccessViewProviders, isHostSpecialCase);\n    if (injectableIdx !== null) {\n        return getNodeInjectable(lView, currentTView, injectableIdx, tNode);\n    }\n    else {\n        return NOT_FOUND;\n    }\n}\n/**\n * Searches for the given token among the node's directives and providers.\n *\n * @param tNode TNode on which directives are present.\n * @param tView The tView we are currently processing\n * @param token Provider token or type of a directive to look for.\n * @param canAccessViewProviders Whether view providers should be considered.\n * @param isHostSpecialCase Whether the host special case applies.\n * @returns Index of a found directive or provider, or null when none found.\n */\nfunction locateDirectiveOrProvider(tNode, tView, token, canAccessViewProviders, isHostSpecialCase) {\n    var nodeProviderIndexes = tNode.providerIndexes;\n    var tInjectables = tView.data;\n    var injectablesStart = nodeProviderIndexes & 65535 /* ProvidersStartIndexMask */;\n    var directivesStart = tNode.directiveStart;\n    var directiveEnd = tNode.directiveEnd;\n    var cptViewProvidersCount = nodeProviderIndexes >> 16 /* CptViewProvidersCountShift */;\n    var startingIndex = canAccessViewProviders ? injectablesStart : injectablesStart + cptViewProvidersCount;\n    // When the host special case applies, only the viewProviders and the component are visible\n    var endIndex = isHostSpecialCase ? injectablesStart + cptViewProvidersCount : directiveEnd;\n    for (var i = startingIndex; i < endIndex; i++) {\n        var providerTokenOrDef = tInjectables[i];\n        if (i < directivesStart && token === providerTokenOrDef ||\n            i >= directivesStart && providerTokenOrDef.type === token) {\n            return i;\n        }\n    }\n    if (isHostSpecialCase) {\n        var dirDef = tInjectables[directivesStart];\n        if (dirDef && isComponentDef(dirDef) && dirDef.type === token) {\n            return directivesStart;\n        }\n    }\n    return null;\n}\n/**\n* Retrieve or instantiate the injectable from the `LView` at particular `index`.\n*\n* This function checks to see if the value has already been instantiated and if so returns the\n* cached `injectable`. Otherwise if it detects that the value is still a factory it\n* instantiates the `injectable` and caches the value.\n*/\nfunction getNodeInjectable(lView, tView, index, tNode) {\n    var value = lView[index];\n    var tData = tView.data;\n    if (isFactory(value)) {\n        var factory = value;\n        if (factory.resolving) {\n            throw new Error(\"Circular dep for \" + stringifyForError(tData[index]));\n        }\n        var previousIncludeViewProviders = setIncludeViewProviders(factory.canSeeViewProviders);\n        factory.resolving = true;\n        var previousInjectImplementation = void 0;\n        if (factory.injectImpl) {\n            previousInjectImplementation = setInjectImplementation(factory.injectImpl);\n        }\n        enterDI(lView, tNode);\n        try {\n            value = lView[index] = factory.factory(undefined, tData, lView, tNode);\n            // This code path is hit for both directives and providers.\n            // For perf reasons, we want to avoid searching for hooks on providers.\n            // It does no harm to try (the hooks just won't exist), but the extra\n            // checks are unnecessary and this is a hot path. So we check to see\n            // if the index of the dependency is in the directive range for this\n            // tNode. If it's not, we know it's a provider and skip hook registration.\n            if (tView.firstCreatePass && index >= tNode.directiveStart) {\n                ngDevMode && assertDirectiveDef(tData[index]);\n                registerPreOrderHooks(index, tData[index], tView);\n            }\n        }\n        finally {\n            if (factory.injectImpl)\n                setInjectImplementation(previousInjectImplementation);\n            setIncludeViewProviders(previousIncludeViewProviders);\n            factory.resolving = false;\n            leaveDI();\n        }\n    }\n    return value;\n}\n/**\n * Returns the bit in an injector's bloom filter that should be used to determine whether or not\n * the directive might be provided by the injector.\n *\n * When a directive is public, it is added to the bloom filter and given a unique ID that can be\n * retrieved on the Type. When the directive isn't public or the token is not a directive `null`\n * is returned as the node injector can not possibly provide that token.\n *\n * @param token the injection token\n * @returns the matching bit to check in the bloom filter or `null` if the token is not known.\n *   When the returned value is negative then it represents special values such as `Injector`.\n */\nfunction bloomHashBitOrFactory(token) {\n    ngDevMode && assertDefined(token, 'token must be defined');\n    if (typeof token === 'string') {\n        return token.charCodeAt(0) || 0;\n    }\n    var tokenId = token[NG_ELEMENT_ID];\n    // Negative token IDs are used for special objects such as `Injector`\n    return (typeof tokenId === 'number' && tokenId > 0) ? tokenId & BLOOM_MASK : tokenId;\n}\nfunction bloomHasToken(bloomHash, injectorIndex, injectorView) {\n    // Create a mask that targets the specific bit associated with the directive we're looking for.\n    // JS bit operations are 32 bits, so this will be a number between 2^0 and 2^31, corresponding\n    // to bit positions 0 - 31 in a 32 bit integer.\n    var mask = 1 << bloomHash;\n    var b7 = bloomHash & 0x80;\n    var b6 = bloomHash & 0x40;\n    var b5 = bloomHash & 0x20;\n    // Our bloom filter size is 256 bits, which is eight 32-bit bloom filter buckets:\n    // bf0 = [0 - 31], bf1 = [32 - 63], bf2 = [64 - 95], bf3 = [96 - 127], etc.\n    // Get the bloom filter value from the appropriate bucket based on the directive's bloomBit.\n    var value;\n    if (b7) {\n        value = b6 ? (b5 ? injectorView[injectorIndex + 7] : injectorView[injectorIndex + 6]) :\n            (b5 ? injectorView[injectorIndex + 5] : injectorView[injectorIndex + 4]);\n    }\n    else {\n        value = b6 ? (b5 ? injectorView[injectorIndex + 3] : injectorView[injectorIndex + 2]) :\n            (b5 ? injectorView[injectorIndex + 1] : injectorView[injectorIndex]);\n    }\n    // If the bloom filter value has the bit corresponding to the directive's bloomBit flipped on,\n    // this injector is a potential match.\n    return !!(value & mask);\n}\n/** Returns true if flags prevent parent injector from being searched for tokens */\nfunction shouldSearchParent(flags, isFirstHostTNode) {\n    return !(flags & InjectFlags.Self) && !(flags & InjectFlags.Host && isFirstHostTNode);\n}\nvar NodeInjector = /** @class */ (function () {\n    function NodeInjector(_tNode, _lView) {\n        this._tNode = _tNode;\n        this._lView = _lView;\n    }\n    NodeInjector.prototype.get = function (token, notFoundValue) {\n        return getOrCreateInjectable(this._tNode, this._lView, token, undefined, notFoundValue);\n    };\n    return NodeInjector;\n}());\n/**\n * @codeGenApi\n */\nfunction ɵɵgetFactoryOf(type) {\n    var typeAny = type;\n    if (isForwardRef(type)) {\n        return (function () {\n            var factory = ɵɵgetFactoryOf(resolveForwardRef(typeAny));\n            return factory ? factory() : null;\n        });\n    }\n    var factory = getFactoryDef(typeAny);\n    if (factory === null) {\n        var injectorDef = getInjectorDef(typeAny);\n        factory = injectorDef && injectorDef.factory;\n    }\n    return factory || null;\n}\n/**\n * @codeGenApi\n */\nfunction ɵɵgetInheritedFactory(type) {\n    var proto = Object.getPrototypeOf(type.prototype).constructor;\n    var factory = proto[NG_FACTORY_DEF] || ɵɵgetFactoryOf(proto);\n    if (factory !== null) {\n        return factory;\n    }\n    else {\n        // There is no factory defined. Either this was improper usage of inheritance\n        // (no Angular decorator on the superclass) or there is no constructor at all\n        // in the inheritance chain. Since the two cases cannot be distinguished, the\n        // latter has to be assumed.\n        return function (t) { return new t(); };\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ERROR_TYPE = 'ngType';\nvar ERROR_DEBUG_CONTEXT = 'ngDebugContext';\nvar ERROR_ORIGINAL_ERROR = 'ngOriginalError';\nvar ERROR_LOGGER = 'ngErrorLogger';\nfunction wrappedError(message, originalError) {\n    var msg = message + \" caused by: \" + (originalError instanceof Error ? originalError.message : originalError);\n    var error = Error(msg);\n    error[ERROR_ORIGINAL_ERROR] = originalError;\n    return error;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction getType(error) {\n    return error[ERROR_TYPE];\n}\nfunction getDebugContext(error) {\n    return error[ERROR_DEBUG_CONTEXT];\n}\nfunction getOriginalError(error) {\n    return error[ERROR_ORIGINAL_ERROR];\n}\nfunction getErrorLogger(error) {\n    return error[ERROR_LOGGER] || defaultErrorLogger;\n}\nfunction defaultErrorLogger(console) {\n    var values = [];\n    for (var _i = 1; _i < arguments.length; _i++) {\n        values[_i - 1] = arguments[_i];\n    }\n    console.error.apply(console, __spread(values));\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Provides a hook for centralized exception handling.\n *\n * The default implementation of `ErrorHandler` prints error messages to the `console`. To\n * intercept error handling, write a custom exception handler that replaces this default as\n * appropriate for your app.\n *\n * @usageNotes\n * ### Example\n *\n * ```\n * class MyErrorHandler implements ErrorHandler {\n *   handleError(error) {\n *     // do something with the exception\n *   }\n * }\n *\n * @NgModule({\n *   providers: [{provide: ErrorHandler, useClass: MyErrorHandler}]\n * })\n * class MyModule {}\n * ```\n *\n * @publicApi\n */\nvar ErrorHandler = /** @class */ (function () {\n    function ErrorHandler() {\n        /**\n         * @internal\n         */\n        this._console = console;\n    }\n    ErrorHandler.prototype.handleError = function (error) {\n        var originalError = this._findOriginalError(error);\n        var context = this._findContext(error);\n        // Note: Browser consoles show the place from where console.error was called.\n        // We can use this to give users additional information about the error.\n        var errorLogger = getErrorLogger(error);\n        errorLogger(this._console, \"ERROR\", error);\n        if (originalError) {\n            errorLogger(this._console, \"ORIGINAL ERROR\", originalError);\n        }\n        if (context) {\n            errorLogger(this._console, 'ERROR CONTEXT', context);\n        }\n    };\n    /** @internal */\n    ErrorHandler.prototype._findContext = function (error) {\n        if (error) {\n            return getDebugContext(error) ? getDebugContext(error) :\n                this._findContext(getOriginalError(error));\n        }\n        return null;\n    };\n    /** @internal */\n    ErrorHandler.prototype._findOriginalError = function (error) {\n        var e = getOriginalError(error);\n        while (e && getOriginalError(e)) {\n            e = getOriginalError(e);\n        }\n        return e;\n    };\n    return ErrorHandler;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Defines a schema that allows an NgModule to contain the following:\n * - Non-Angular elements named with dash case (`-`).\n * - Element properties named with dash case (`-`).\n * Dash case is the naming convention for custom elements.\n *\n * @publicApi\n */\nvar CUSTOM_ELEMENTS_SCHEMA = {\n    name: 'custom-elements'\n};\n/**\n * Defines a schema that allows any property on any element.\n *\n * @publicApi\n */\nvar NO_ERRORS_SCHEMA = {\n    name: 'no-errors-schema'\n};\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar SafeValueImpl = /** @class */ (function () {\n    function SafeValueImpl(changingThisBreaksApplicationSecurity) {\n        this.changingThisBreaksApplicationSecurity = changingThisBreaksApplicationSecurity;\n    }\n    SafeValueImpl.prototype.toString = function () {\n        return \"SafeValue must use [property]=binding: \" + this.changingThisBreaksApplicationSecurity +\n            \" (see http://g.co/ng/security#xss)\";\n    };\n    return SafeValueImpl;\n}());\nvar SafeHtmlImpl = /** @class */ (function (_super) {\n    __extends(SafeHtmlImpl, _super);\n    function SafeHtmlImpl() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    SafeHtmlImpl.prototype.getTypeName = function () { return \"HTML\" /* Html */; };\n    return SafeHtmlImpl;\n}(SafeValueImpl));\nvar SafeStyleImpl = /** @class */ (function (_super) {\n    __extends(SafeStyleImpl, _super);\n    function SafeStyleImpl() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    SafeStyleImpl.prototype.getTypeName = function () { return \"Style\" /* Style */; };\n    return SafeStyleImpl;\n}(SafeValueImpl));\nvar SafeScriptImpl = /** @class */ (function (_super) {\n    __extends(SafeScriptImpl, _super);\n    function SafeScriptImpl() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    SafeScriptImpl.prototype.getTypeName = function () { return \"Script\" /* Script */; };\n    return SafeScriptImpl;\n}(SafeValueImpl));\nvar SafeUrlImpl = /** @class */ (function (_super) {\n    __extends(SafeUrlImpl, _super);\n    function SafeUrlImpl() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    SafeUrlImpl.prototype.getTypeName = function () { return \"URL\" /* Url */; };\n    return SafeUrlImpl;\n}(SafeValueImpl));\nvar SafeResourceUrlImpl = /** @class */ (function (_super) {\n    __extends(SafeResourceUrlImpl, _super);\n    function SafeResourceUrlImpl() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    SafeResourceUrlImpl.prototype.getTypeName = function () { return \"ResourceURL\" /* ResourceUrl */; };\n    return SafeResourceUrlImpl;\n}(SafeValueImpl));\nfunction unwrapSafeValue(value) {\n    return value instanceof SafeValueImpl ? value.changingThisBreaksApplicationSecurity :\n        value;\n}\nfunction allowSanitizationBypassAndThrow(value, type) {\n    var actualType = getSanitizationBypassType(value);\n    if (actualType != null && actualType !== type) {\n        // Allow ResourceURLs in URL contexts, they are strictly more trusted.\n        if (actualType === \"ResourceURL\" /* ResourceUrl */ && type === \"URL\" /* Url */)\n            return true;\n        throw new Error(\"Required a safe \" + type + \", got a \" + actualType + \" (see http://g.co/ng/security#xss)\");\n    }\n    return actualType === type;\n}\nfunction getSanitizationBypassType(value) {\n    return value instanceof SafeValueImpl && value.getTypeName() || null;\n}\n/**\n * Mark `html` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {@link htmlSanitizer} to be trusted implicitly.\n *\n * @param trustedHtml `html` string which needs to be implicitly trusted.\n * @returns a `html` which has been branded to be implicitly trusted.\n */\nfunction bypassSanitizationTrustHtml(trustedHtml) {\n    return new SafeHtmlImpl(trustedHtml);\n}\n/**\n * Mark `style` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {@link styleSanitizer} to be trusted implicitly.\n *\n * @param trustedStyle `style` string which needs to be implicitly trusted.\n * @returns a `style` hich has been branded to be implicitly trusted.\n */\nfunction bypassSanitizationTrustStyle(trustedStyle) {\n    return new SafeStyleImpl(trustedStyle);\n}\n/**\n * Mark `script` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {@link scriptSanitizer} to be trusted implicitly.\n *\n * @param trustedScript `script` string which needs to be implicitly trusted.\n * @returns a `script` which has been branded to be implicitly trusted.\n */\nfunction bypassSanitizationTrustScript(trustedScript) {\n    return new SafeScriptImpl(trustedScript);\n}\n/**\n * Mark `url` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {@link urlSanitizer} to be trusted implicitly.\n *\n * @param trustedUrl `url` string which needs to be implicitly trusted.\n * @returns a `url`  which has been branded to be implicitly trusted.\n */\nfunction bypassSanitizationTrustUrl(trustedUrl) {\n    return new SafeUrlImpl(trustedUrl);\n}\n/**\n * Mark `url` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {@link resourceUrlSanitizer} to be trusted implicitly.\n *\n * @param trustedResourceUrl `url` string which needs to be implicitly trusted.\n * @returns a `url` which has been branded to be implicitly trusted.\n */\nfunction bypassSanitizationTrustResourceUrl(trustedResourceUrl) {\n    return new SafeResourceUrlImpl(trustedResourceUrl);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * This file is used to control if the default rendering pipeline should be `ViewEngine` or `Ivy`.\n *\n * For more information on how to run and debug tests with either Ivy or View Engine (legacy),\n * please see [BAZEL.md](./docs/BAZEL.md).\n */\nvar _devMode = true;\nvar _runModeLocked = false;\n/**\n * Returns whether Angular is in development mode. After called once,\n * the value is locked and won't change any more.\n *\n * By default, this is true, unless a user calls `enableProdMode` before calling this.\n *\n * @publicApi\n */\nfunction isDevMode() {\n    _runModeLocked = true;\n    return _devMode;\n}\n/**\n * Disable Angular's development mode, which turns off assertions and other\n * checks within the framework.\n *\n * One important assertion this disables verifies that a change detection pass\n * does not result in additional changes to any bindings (also known as\n * unidirectional data flow).\n *\n * @publicApi\n */\nfunction enableProdMode() {\n    if (_runModeLocked) {\n        throw new Error('Cannot enable prod mode after platform setup.');\n    }\n    _devMode = false;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * This helper class is used to get hold of an inert tree of DOM elements containing dirty HTML\n * that needs sanitizing.\n * Depending upon browser support we must use one of three strategies for doing this.\n * Support: Safari 10.x -> XHR strategy\n * Support: Firefox -> DomParser strategy\n * Default: InertDocument strategy\n */\nvar InertBodyHelper = /** @class */ (function () {\n    function InertBodyHelper(defaultDoc) {\n        this.defaultDoc = defaultDoc;\n        this.inertDocument = this.defaultDoc.implementation.createHTMLDocument('sanitization-inert');\n        var inertBodyElement = this.inertDocument.body;\n        if (inertBodyElement == null) {\n            // usually there should be only one body element in the document, but IE doesn't have any, so\n            // we need to create one.\n            var inertHtml = this.inertDocument.createElement('html');\n            this.inertDocument.appendChild(inertHtml);\n            inertBodyElement = this.inertDocument.createElement('body');\n            inertHtml.appendChild(inertBodyElement);\n        }\n        inertBodyElement.innerHTML = '<svg><g onload=\"this.parentNode.remove()\"></g></svg>';\n        if (inertBodyElement.querySelector && !inertBodyElement.querySelector('svg')) {\n            // We just hit the Safari 10.1 bug - which allows JS to run inside the SVG G element\n            // so use the XHR strategy.\n            this.getInertBodyElement = this.getInertBodyElement_XHR;\n            return;\n        }\n        inertBodyElement.innerHTML = '<svg><p><style><img src=\"</style><img src=x onerror=alert(1)//\">';\n        if (inertBodyElement.querySelector && inertBodyElement.querySelector('svg img')) {\n            // We just hit the Firefox bug - which prevents the inner img JS from being sanitized\n            // so use the DOMParser strategy, if it is available.\n            // If the DOMParser is not available then we are not in Firefox (Server/WebWorker?) so we\n            // fall through to the default strategy below.\n            if (isDOMParserAvailable()) {\n                this.getInertBodyElement = this.getInertBodyElement_DOMParser;\n                return;\n            }\n        }\n        // None of the bugs were hit so it is safe for us to use the default InertDocument strategy\n        this.getInertBodyElement = this.getInertBodyElement_InertDocument;\n    }\n    /**\n     * Use XHR to create and fill an inert body element (on Safari 10.1)\n     * See\n     * https://github.com/cure53/DOMPurify/blob/a992d3a75031cb8bb032e5ea8399ba972bdf9a65/src/purify.js#L439-L449\n     */\n    InertBodyHelper.prototype.getInertBodyElement_XHR = function (html) {\n        // We add these extra elements to ensure that the rest of the content is parsed as expected\n        // e.g. leading whitespace is maintained and tags like `<meta>` do not get hoisted to the\n        // `<head>` tag.\n        html = '<body><remove></remove>' + html + '</body>';\n        try {\n            html = encodeURI(html);\n        }\n        catch (_a) {\n            return null;\n        }\n        var xhr = new XMLHttpRequest();\n        xhr.responseType = 'document';\n        xhr.open('GET', 'data:text/html;charset=utf-8,' + html, false);\n        xhr.send(undefined);\n        var body = xhr.response.body;\n        body.removeChild(body.firstChild);\n        return body;\n    };\n    /**\n     * Use DOMParser to create and fill an inert body element (on Firefox)\n     * See https://github.com/cure53/DOMPurify/releases/tag/0.6.7\n     *\n     */\n    InertBodyHelper.prototype.getInertBodyElement_DOMParser = function (html) {\n        // We add these extra elements to ensure that the rest of the content is parsed as expected\n        // e.g. leading whitespace is maintained and tags like `<meta>` do not get hoisted to the\n        // `<head>` tag.\n        html = '<body><remove></remove>' + html + '</body>';\n        try {\n            var body = new window\n                .DOMParser()\n                .parseFromString(html, 'text/html')\n                .body;\n            body.removeChild(body.firstChild);\n            return body;\n        }\n        catch (_a) {\n            return null;\n        }\n    };\n    /**\n     * Use an HTML5 `template` element, if supported, or an inert body element created via\n     * `createHtmlDocument` to create and fill an inert DOM element.\n     * This is the default sane strategy to use if the browser does not require one of the specialised\n     * strategies above.\n     */\n    InertBodyHelper.prototype.getInertBodyElement_InertDocument = function (html) {\n        // Prefer using <template> element if supported.\n        var templateEl = this.inertDocument.createElement('template');\n        if ('content' in templateEl) {\n            templateEl.innerHTML = html;\n            return templateEl;\n        }\n        // Note that previously we used to do something like `this.inertDocument.body.innerHTML = html`\n        // and we returned the inert `body` node. This was changed, because IE seems to treat setting\n        // `innerHTML` on an inserted element differently, compared to one that hasn't been inserted\n        // yet. In particular, IE appears to split some of the text into multiple text nodes rather\n        // than keeping them in a single one which ends up messing with Ivy's i18n parsing further\n        // down the line. This has been worked around by creating a new inert `body` and using it as\n        // the root node in which we insert the HTML.\n        var inertBody = this.inertDocument.createElement('body');\n        inertBody.innerHTML = html;\n        // Support: IE 9-11 only\n        // strip custom-namespaced attributes on IE<=11\n        if (this.defaultDoc.documentMode) {\n            this.stripCustomNsAttrs(inertBody);\n        }\n        return inertBody;\n    };\n    /**\n     * When IE9-11 comes across an unknown namespaced attribute e.g. 'xlink:foo' it adds 'xmlns:ns1'\n     * attribute to declare ns1 namespace and prefixes the attribute with 'ns1' (e.g.\n     * 'ns1:xlink:foo').\n     *\n     * This is undesirable since we don't want to allow any of these custom attributes. This method\n     * strips them all.\n     */\n    InertBodyHelper.prototype.stripCustomNsAttrs = function (el) {\n        var elAttrs = el.attributes;\n        // loop backwards so that we can support removals.\n        for (var i = elAttrs.length - 1; 0 < i; i--) {\n            var attrib = elAttrs.item(i);\n            var attrName = attrib.name;\n            if (attrName === 'xmlns:ns1' || attrName.indexOf('ns1:') === 0) {\n                el.removeAttribute(attrName);\n            }\n        }\n        var childNode = el.firstChild;\n        while (childNode) {\n            if (childNode.nodeType === Node.ELEMENT_NODE)\n                this.stripCustomNsAttrs(childNode);\n            childNode = childNode.nextSibling;\n        }\n    };\n    return InertBodyHelper;\n}());\n/**\n * We need to determine whether the DOMParser exists in the global context.\n * The try-catch is because, on some browsers, trying to access this property\n * on window can actually throw an error.\n *\n * @suppress {uselessCode}\n */\nfunction isDOMParserAvailable() {\n    try {\n        return !!window.DOMParser;\n    }\n    catch (_a) {\n        return false;\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A pattern that recognizes a commonly useful subset of URLs that are safe.\n *\n * This regular expression matches a subset of URLs that will not cause script\n * execution if used in URL context within a HTML document. Specifically, this\n * regular expression matches if (comment from here on and regex copied from\n * Soy's EscapingConventions):\n * (1) Either an allowed protocol (http, https, mailto or ftp).\n * (2) or no protocol.  A protocol must be followed by a colon. The below\n *     allows that by allowing colons only after one of the characters [/?#].\n *     A colon after a hash (#) must be in the fragment.\n *     Otherwise, a colon after a (?) must be in a query.\n *     Otherwise, a colon after a single solidus (/) must be in a path.\n *     Otherwise, a colon after a double solidus (//) must be in the authority\n *     (before port).\n *\n * The pattern disallows &, used in HTML entity declarations before\n * one of the characters in [/?#]. This disallows HTML entities used in the\n * protocol name, which should never happen, e.g. \"h&#116;tp\" for \"http\".\n * It also disallows HTML entities in the first path part of a relative path,\n * e.g. \"foo&lt;bar/baz\".  Our existing escaping functions should not produce\n * that. More importantly, it disallows masking of a colon,\n * e.g. \"javascript&#58;...\".\n *\n * This regular expression was taken from the Closure sanitization library.\n */\nvar SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^&:/?#]*(?:[/?#]|$))/gi;\n/* A pattern that matches safe srcset values */\nvar SAFE_SRCSET_PATTERN = /^(?:(?:https?|file):|[^&:/?#]*(?:[/?#]|$))/gi;\n/** A pattern that matches safe data URLs. Only matches image, video and audio types. */\nvar DATA_URL_PATTERN = /^data:(?:image\\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\\/(?:mpeg|mp4|ogg|webm)|audio\\/(?:mp3|oga|ogg|opus));base64,[a-z0-9+\\/]+=*$/i;\nfunction _sanitizeUrl(url) {\n    url = String(url);\n    if (url.match(SAFE_URL_PATTERN) || url.match(DATA_URL_PATTERN))\n        return url;\n    if (isDevMode()) {\n        console.warn(\"WARNING: sanitizing unsafe URL value \" + url + \" (see http://g.co/ng/security#xss)\");\n    }\n    return 'unsafe:' + url;\n}\nfunction sanitizeSrcset(srcset) {\n    srcset = String(srcset);\n    return srcset.split(',').map(function (srcset) { return _sanitizeUrl(srcset.trim()); }).join(', ');\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction tagSet(tags) {\n    var e_1, _a;\n    var res = {};\n    try {\n        for (var _b = __values(tags.split(',')), _c = _b.next(); !_c.done; _c = _b.next()) {\n            var t = _c.value;\n            res[t] = true;\n        }\n    }\n    catch (e_1_1) { e_1 = { error: e_1_1 }; }\n    finally {\n        try {\n            if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\n        }\n        finally { if (e_1) throw e_1.error; }\n    }\n    return res;\n}\nfunction merge() {\n    var e_2, _a;\n    var sets = [];\n    for (var _i = 0; _i < arguments.length; _i++) {\n        sets[_i] = arguments[_i];\n    }\n    var res = {};\n    try {\n        for (var sets_1 = __values(sets), sets_1_1 = sets_1.next(); !sets_1_1.done; sets_1_1 = sets_1.next()) {\n            var s = sets_1_1.value;\n            for (var v in s) {\n                if (s.hasOwnProperty(v))\n                    res[v] = true;\n            }\n        }\n    }\n    catch (e_2_1) { e_2 = { error: e_2_1 }; }\n    finally {\n        try {\n            if (sets_1_1 && !sets_1_1.done && (_a = sets_1.return)) _a.call(sets_1);\n        }\n        finally { if (e_2) throw e_2.error; }\n    }\n    return res;\n}\n// Good source of info about elements and attributes\n// http://dev.w3.org/html5/spec/Overview.html#semantics\n// http://simon.html5.org/html-elements\n// Safe Void Elements - HTML5\n// http://dev.w3.org/html5/spec/Overview.html#void-elements\nvar VOID_ELEMENTS = tagSet('area,br,col,hr,img,wbr');\n// Elements that you can, intentionally, leave open (and which close themselves)\n// http://dev.w3.org/html5/spec/Overview.html#optional-tags\nvar OPTIONAL_END_TAG_BLOCK_ELEMENTS = tagSet('colgroup,dd,dt,li,p,tbody,td,tfoot,th,thead,tr');\nvar OPTIONAL_END_TAG_INLINE_ELEMENTS = tagSet('rp,rt');\nvar OPTIONAL_END_TAG_ELEMENTS = merge(OPTIONAL_END_TAG_INLINE_ELEMENTS, OPTIONAL_END_TAG_BLOCK_ELEMENTS);\n// Safe Block Elements - HTML5\nvar BLOCK_ELEMENTS = merge(OPTIONAL_END_TAG_BLOCK_ELEMENTS, tagSet('address,article,' +\n    'aside,blockquote,caption,center,del,details,dialog,dir,div,dl,figure,figcaption,footer,h1,h2,h3,h4,h5,' +\n    'h6,header,hgroup,hr,ins,main,map,menu,nav,ol,pre,section,summary,table,ul'));\n// Inline Elements - HTML5\nvar INLINE_ELEMENTS = merge(OPTIONAL_END_TAG_INLINE_ELEMENTS, tagSet('a,abbr,acronym,audio,b,' +\n    'bdi,bdo,big,br,cite,code,del,dfn,em,font,i,img,ins,kbd,label,map,mark,picture,q,ruby,rp,rt,s,' +\n    'samp,small,source,span,strike,strong,sub,sup,time,track,tt,u,var,video'));\nvar VALID_ELEMENTS = merge(VOID_ELEMENTS, BLOCK_ELEMENTS, INLINE_ELEMENTS, OPTIONAL_END_TAG_ELEMENTS);\n// Attributes that have href and hence need to be sanitized\nvar URI_ATTRS = tagSet('background,cite,href,itemtype,longdesc,poster,src,xlink:href');\n// Attributes that have special href set hence need to be sanitized\nvar SRCSET_ATTRS = tagSet('srcset');\nvar HTML_ATTRS = tagSet('abbr,accesskey,align,alt,autoplay,axis,bgcolor,border,cellpadding,cellspacing,class,clear,color,cols,colspan,' +\n    'compact,controls,coords,datetime,default,dir,download,face,headers,height,hidden,hreflang,hspace,' +\n    'ismap,itemscope,itemprop,kind,label,lang,language,loop,media,muted,nohref,nowrap,open,preload,rel,rev,role,rows,rowspan,rules,' +\n    'scope,scrolling,shape,size,sizes,span,srclang,start,summary,tabindex,target,title,translate,type,usemap,' +\n    'valign,value,vspace,width');\n// Accessibility attributes as per WAI-ARIA 1.1 (W3C Working Draft 14 December 2018)\nvar ARIA_ATTRS = tagSet('aria-activedescendant,aria-atomic,aria-autocomplete,aria-busy,aria-checked,aria-colcount,aria-colindex,' +\n    'aria-colspan,aria-controls,aria-current,aria-describedby,aria-details,aria-disabled,aria-dropeffect,' +\n    'aria-errormessage,aria-expanded,aria-flowto,aria-grabbed,aria-haspopup,aria-hidden,aria-invalid,' +\n    'aria-keyshortcuts,aria-label,aria-labelledby,aria-level,aria-live,aria-modal,aria-multiline,' +\n    'aria-multiselectable,aria-orientation,aria-owns,aria-placeholder,aria-posinset,aria-pressed,aria-readonly,' +\n    'aria-relevant,aria-required,aria-roledescription,aria-rowcount,aria-rowindex,aria-rowspan,aria-selected,' +\n    'aria-setsize,aria-sort,aria-valuemax,aria-valuemin,aria-valuenow,aria-valuetext');\n// NB: This currently consciously doesn't support SVG. SVG sanitization has had several security\n// issues in the past, so it seems safer to leave it out if possible. If support for binding SVG via\n// innerHTML is required, SVG attributes should be added here.\n// NB: Sanitization does not allow <form> elements or other active elements (<button> etc). Those\n// can be sanitized, but they increase security surface area without a legitimate use case, so they\n// are left out here.\nvar VALID_ATTRS = merge(URI_ATTRS, SRCSET_ATTRS, HTML_ATTRS, ARIA_ATTRS);\n// Elements whose content should not be traversed/preserved, if the elements themselves are invalid.\n//\n// Typically, `<invalid>Some content</invalid>` would traverse (and in this case preserve)\n// `Some content`, but strip `invalid-element` opening/closing tags. For some elements, though, we\n// don't want to preserve the content, if the elements themselves are going to be removed.\nvar SKIP_TRAVERSING_CONTENT_IF_INVALID_ELEMENTS = tagSet('script,style,template');\n/**\n * SanitizingHtmlSerializer serializes a DOM fragment, stripping out any unsafe elements and unsafe\n * attributes.\n */\nvar SanitizingHtmlSerializer = /** @class */ (function () {\n    function SanitizingHtmlSerializer() {\n        // Explicitly track if something was stripped, to avoid accidentally warning of sanitization just\n        // because characters were re-encoded.\n        this.sanitizedSomething = false;\n        this.buf = [];\n    }\n    SanitizingHtmlSerializer.prototype.sanitizeChildren = function (el) {\n        // This cannot use a TreeWalker, as it has to run on Angular's various DOM adapters.\n        // However this code never accesses properties off of `document` before deleting its contents\n        // again, so it shouldn't be vulnerable to DOM clobbering.\n        var current = el.firstChild;\n        var traverseContent = true;\n        while (current) {\n            if (current.nodeType === Node.ELEMENT_NODE) {\n                traverseContent = this.startElement(current);\n            }\n            else if (current.nodeType === Node.TEXT_NODE) {\n                this.chars(current.nodeValue);\n            }\n            else {\n                // Strip non-element, non-text nodes.\n                this.sanitizedSomething = true;\n            }\n            if (traverseContent && current.firstChild) {\n                current = current.firstChild;\n                continue;\n            }\n            while (current) {\n                // Leaving the element. Walk up and to the right, closing tags as we go.\n                if (current.nodeType === Node.ELEMENT_NODE) {\n                    this.endElement(current);\n                }\n                var next = this.checkClobberedElement(current, current.nextSibling);\n                if (next) {\n                    current = next;\n                    break;\n                }\n                current = this.checkClobberedElement(current, current.parentNode);\n            }\n        }\n        return this.buf.join('');\n    };\n    /**\n     * Sanitizes an opening element tag (if valid) and returns whether the element's contents should\n     * be traversed. Element content must always be traversed (even if the element itself is not\n     * valid/safe), unless the element is one of `SKIP_TRAVERSING_CONTENT_IF_INVALID_ELEMENTS`.\n     *\n     * @param element The element to sanitize.\n     * @return True if the element's contents should be traversed.\n     */\n    SanitizingHtmlSerializer.prototype.startElement = function (element) {\n        var tagName = element.nodeName.toLowerCase();\n        if (!VALID_ELEMENTS.hasOwnProperty(tagName)) {\n            this.sanitizedSomething = true;\n            return !SKIP_TRAVERSING_CONTENT_IF_INVALID_ELEMENTS.hasOwnProperty(tagName);\n        }\n        this.buf.push('<');\n        this.buf.push(tagName);\n        var elAttrs = element.attributes;\n        for (var i = 0; i < elAttrs.length; i++) {\n            var elAttr = elAttrs.item(i);\n            var attrName = elAttr.name;\n            var lower = attrName.toLowerCase();\n            if (!VALID_ATTRS.hasOwnProperty(lower)) {\n                this.sanitizedSomething = true;\n                continue;\n            }\n            var value = elAttr.value;\n            // TODO(martinprobst): Special case image URIs for data:image/...\n            if (URI_ATTRS[lower])\n                value = _sanitizeUrl(value);\n            if (SRCSET_ATTRS[lower])\n                value = sanitizeSrcset(value);\n            this.buf.push(' ', attrName, '=\"', encodeEntities(value), '\"');\n        }\n        this.buf.push('>');\n        return true;\n    };\n    SanitizingHtmlSerializer.prototype.endElement = function (current) {\n        var tagName = current.nodeName.toLowerCase();\n        if (VALID_ELEMENTS.hasOwnProperty(tagName) && !VOID_ELEMENTS.hasOwnProperty(tagName)) {\n            this.buf.push('</');\n            this.buf.push(tagName);\n            this.buf.push('>');\n        }\n    };\n    SanitizingHtmlSerializer.prototype.chars = function (chars) { this.buf.push(encodeEntities(chars)); };\n    SanitizingHtmlSerializer.prototype.checkClobberedElement = function (node, nextNode) {\n        if (nextNode &&\n            (node.compareDocumentPosition(nextNode) &\n                Node.DOCUMENT_POSITION_CONTAINED_BY) === Node.DOCUMENT_POSITION_CONTAINED_BY) {\n            throw new Error(\"Failed to sanitize html because the element is clobbered: \" + node.outerHTML);\n        }\n        return nextNode;\n    };\n    return SanitizingHtmlSerializer;\n}());\n// Regular Expressions for parsing tags and attributes\nvar SURROGATE_PAIR_REGEXP = /[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]/g;\n// ! to ~ is the ASCII range.\nvar NON_ALPHANUMERIC_REGEXP = /([^\\#-~ |!])/g;\n/**\n * Escapes all potentially dangerous characters, so that the\n * resulting string can be safely inserted into attribute or\n * element text.\n * @param value\n */\nfunction encodeEntities(value) {\n    return value.replace(/&/g, '&amp;')\n        .replace(SURROGATE_PAIR_REGEXP, function (match) {\n        var hi = match.charCodeAt(0);\n        var low = match.charCodeAt(1);\n        return '&#' + (((hi - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000) + ';';\n    })\n        .replace(NON_ALPHANUMERIC_REGEXP, function (match) { return '&#' + match.charCodeAt(0) + ';'; })\n        .replace(/</g, '&lt;')\n        .replace(/>/g, '&gt;');\n}\nvar inertBodyHelper;\n/**\n * Sanitizes the given unsafe, untrusted HTML fragment, and returns HTML text that is safe to add to\n * the DOM in a browser environment.\n */\nfunction _sanitizeHtml(defaultDoc, unsafeHtmlInput) {\n    var inertBodyElement = null;\n    try {\n        inertBodyHelper = inertBodyHelper || new InertBodyHelper(defaultDoc);\n        // Make sure unsafeHtml is actually a string (TypeScript types are not enforced at runtime).\n        var unsafeHtml = unsafeHtmlInput ? String(unsafeHtmlInput) : '';\n        inertBodyElement = inertBodyHelper.getInertBodyElement(unsafeHtml);\n        // mXSS protection. Repeatedly parse the document to make sure it stabilizes, so that a browser\n        // trying to auto-correct incorrect HTML cannot cause formerly inert HTML to become dangerous.\n        var mXSSAttempts = 5;\n        var parsedHtml = unsafeHtml;\n        do {\n            if (mXSSAttempts === 0) {\n                throw new Error('Failed to sanitize html because the input is unstable');\n            }\n            mXSSAttempts--;\n            unsafeHtml = parsedHtml;\n            parsedHtml = inertBodyElement.innerHTML;\n            inertBodyElement = inertBodyHelper.getInertBodyElement(unsafeHtml);\n        } while (unsafeHtml !== parsedHtml);\n        var sanitizer = new SanitizingHtmlSerializer();\n        var safeHtml = sanitizer.sanitizeChildren(getTemplateContent(inertBodyElement) || inertBodyElement);\n        if (isDevMode() && sanitizer.sanitizedSomething) {\n            console.warn('WARNING: sanitizing HTML stripped some content, see http://g.co/ng/security#xss');\n        }\n        return safeHtml;\n    }\n    finally {\n        // In case anything goes wrong, clear out inertElement to reset the entire DOM structure.\n        if (inertBodyElement) {\n            var parent_1 = getTemplateContent(inertBodyElement) || inertBodyElement;\n            while (parent_1.firstChild) {\n                parent_1.removeChild(parent_1.firstChild);\n            }\n        }\n    }\n}\nfunction getTemplateContent(el) {\n    return 'content' in el /** Microsoft/TypeScript#21517 */ && isTemplateElement(el) ?\n        el.content :\n        null;\n}\nfunction isTemplateElement(el) {\n    return el.nodeType === Node.ELEMENT_NODE && el.nodeName === 'TEMPLATE';\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A SecurityContext marks a location that has dangerous security implications, e.g. a DOM property\n * like `innerHTML` that could cause Cross Site Scripting (XSS) security bugs when improperly\n * handled.\n *\n * See DomSanitizer for more details on security in Angular applications.\n *\n * @publicApi\n */\nvar SecurityContext;\n(function (SecurityContext) {\n    SecurityContext[SecurityContext[\"NONE\"] = 0] = \"NONE\";\n    SecurityContext[SecurityContext[\"HTML\"] = 1] = \"HTML\";\n    SecurityContext[SecurityContext[\"STYLE\"] = 2] = \"STYLE\";\n    SecurityContext[SecurityContext[\"SCRIPT\"] = 3] = \"SCRIPT\";\n    SecurityContext[SecurityContext[\"URL\"] = 4] = \"URL\";\n    SecurityContext[SecurityContext[\"RESOURCE_URL\"] = 5] = \"RESOURCE_URL\";\n})(SecurityContext || (SecurityContext = {}));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Regular expression for safe style values.\n *\n * Quotes (\" and ') are allowed, but a check must be done elsewhere to ensure they're balanced.\n *\n * ',' allows multiple values to be assigned to the same property (e.g. background-attachment or\n * font-family) and hence could allow multiple values to get injected, but that should pose no risk\n * of XSS.\n *\n * The function expression checks only for XSS safety, not for CSS validity.\n *\n * This regular expression was taken from the Closure sanitization library, and augmented for\n * transformation values.\n */\nvar VALUES = '[-,.\"\\'%_!# a-zA-Z0-9]+';\nvar TRANSFORMATION_FNS = '(?:matrix|translate|scale|rotate|skew|perspective)(?:X|Y|Z|3d)?';\nvar COLOR_FNS = '(?:rgb|hsl)a?';\nvar GRADIENTS = '(?:repeating-)?(?:linear|radial)-gradient';\nvar CSS3_FNS = '(?:attr|calc|var)';\nvar FN_ARGS = '\\\\([-0-9.%, #a-zA-Z]+\\\\)';\nvar SAFE_STYLE_VALUE = new RegExp(\"^(\" + VALUES + \"|\" +\n    (\"(?:\" + TRANSFORMATION_FNS + \"|\" + COLOR_FNS + \"|\" + GRADIENTS + \"|\" + CSS3_FNS + \")\") +\n    (FN_ARGS + \")$\"), 'g');\n/**\n * Matches a `url(...)` value with an arbitrary argument as long as it does\n * not contain parentheses.\n *\n * The URL value still needs to be sanitized separately.\n *\n * `url(...)` values are a very common use case, e.g. for `background-image`. With carefully crafted\n * CSS style rules, it is possible to construct an information leak with `url` values in CSS, e.g.\n * by observing whether scroll bars are displayed, or character ranges used by a font face\n * definition.\n *\n * Angular only allows binding CSS values (as opposed to entire CSS rules), so it is unlikely that\n * binding a URL value without further cooperation from the page will cause an information leak, and\n * if so, it is just a leak, not a full blown XSS vulnerability.\n *\n * Given the common use case, low likelihood of attack vector, and low impact of an attack, this\n * code is permissive and allows URLs that sanitize otherwise.\n */\nvar URL_RE = /^url\\(([^)]+)\\)$/;\n/**\n * Checks that quotes (\" and ') are properly balanced inside a string. Assumes\n * that neither escape (\\) nor any other character that could result in\n * breaking out of a string parsing context are allowed;\n * see http://www.w3.org/TR/css3-syntax/#string-token-diagram.\n *\n * This code was taken from the Closure sanitization library.\n */\nfunction hasBalancedQuotes(value) {\n    var outsideSingle = true;\n    var outsideDouble = true;\n    for (var i = 0; i < value.length; i++) {\n        var c = value.charAt(i);\n        if (c === '\\'' && outsideDouble) {\n            outsideSingle = !outsideSingle;\n        }\n        else if (c === '\"' && outsideSingle) {\n            outsideDouble = !outsideDouble;\n        }\n    }\n    return outsideSingle && outsideDouble;\n}\n/**\n * Sanitizes the given untrusted CSS style property value (i.e. not an entire object, just a single\n * value) and returns a value that is safe to use in a browser environment.\n */\nfunction _sanitizeStyle(value) {\n    value = String(value).trim(); // Make sure it's actually a string.\n    if (!value)\n        return '';\n    // Single url(...) values are supported, but only for URLs that sanitize cleanly. See above for\n    // reasoning behind this.\n    var urlMatch = value.match(URL_RE);\n    if ((urlMatch && _sanitizeUrl(urlMatch[1]) === urlMatch[1]) ||\n        value.match(SAFE_STYLE_VALUE) && hasBalancedQuotes(value)) {\n        return value; // Safe style values.\n    }\n    if (isDevMode()) {\n        console.warn(\"WARNING: sanitizing unsafe style value \" + value + \" (see http://g.co/ng/security#xss).\");\n    }\n    return 'unsafe';\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * An `html` sanitizer which converts untrusted `html` **string** into trusted string by removing\n * dangerous content.\n *\n * This method parses the `html` and locates potentially dangerous content (such as urls and\n * javascript) and removes it.\n *\n * It is possible to mark a string as trusted by calling {@link bypassSanitizationTrustHtml}.\n *\n * @param unsafeHtml untrusted `html`, typically from the user.\n * @returns `html` string which is safe to display to user, because all of the dangerous javascript\n * and urls have been removed.\n *\n * @publicApi\n */\nfunction ɵɵsanitizeHtml(unsafeHtml) {\n    var sanitizer = getSanitizer();\n    if (sanitizer) {\n        return sanitizer.sanitize(SecurityContext.HTML, unsafeHtml) || '';\n    }\n    if (allowSanitizationBypassAndThrow(unsafeHtml, \"HTML\" /* Html */)) {\n        return unwrapSafeValue(unsafeHtml);\n    }\n    return _sanitizeHtml(getDocument(), renderStringify(unsafeHtml));\n}\n/**\n * A `style` sanitizer which converts untrusted `style` **string** into trusted string by removing\n * dangerous content.\n *\n * This method parses the `style` and locates potentially dangerous content (such as urls and\n * javascript) and removes it.\n *\n * It is possible to mark a string as trusted by calling {@link bypassSanitizationTrustStyle}.\n *\n * @param unsafeStyle untrusted `style`, typically from the user.\n * @returns `style` string which is safe to bind to the `style` properties, because all of the\n * dangerous javascript and urls have been removed.\n *\n * @publicApi\n */\nfunction ɵɵsanitizeStyle(unsafeStyle) {\n    var sanitizer = getSanitizer();\n    if (sanitizer) {\n        return sanitizer.sanitize(SecurityContext.STYLE, unsafeStyle) || '';\n    }\n    if (allowSanitizationBypassAndThrow(unsafeStyle, \"Style\" /* Style */)) {\n        return unwrapSafeValue(unsafeStyle);\n    }\n    return _sanitizeStyle(renderStringify(unsafeStyle));\n}\n/**\n * A `url` sanitizer which converts untrusted `url` **string** into trusted string by removing\n * dangerous\n * content.\n *\n * This method parses the `url` and locates potentially dangerous content (such as javascript) and\n * removes it.\n *\n * It is possible to mark a string as trusted by calling {@link bypassSanitizationTrustUrl}.\n *\n * @param unsafeUrl untrusted `url`, typically from the user.\n * @returns `url` string which is safe to bind to the `src` properties such as `<img src>`, because\n * all of the dangerous javascript has been removed.\n *\n * @publicApi\n */\nfunction ɵɵsanitizeUrl(unsafeUrl) {\n    var sanitizer = getSanitizer();\n    if (sanitizer) {\n        return sanitizer.sanitize(SecurityContext.URL, unsafeUrl) || '';\n    }\n    if (allowSanitizationBypassAndThrow(unsafeUrl, \"URL\" /* Url */)) {\n        return unwrapSafeValue(unsafeUrl);\n    }\n    return _sanitizeUrl(renderStringify(unsafeUrl));\n}\n/**\n * A `url` sanitizer which only lets trusted `url`s through.\n *\n * This passes only `url`s marked trusted by calling {@link bypassSanitizationTrustResourceUrl}.\n *\n * @param unsafeResourceUrl untrusted `url`, typically from the user.\n * @returns `url` string which is safe to bind to the `src` properties such as `<img src>`, because\n * only trusted `url`s have been allowed to pass.\n *\n * @publicApi\n */\nfunction ɵɵsanitizeResourceUrl(unsafeResourceUrl) {\n    var sanitizer = getSanitizer();\n    if (sanitizer) {\n        return sanitizer.sanitize(SecurityContext.RESOURCE_URL, unsafeResourceUrl) || '';\n    }\n    if (allowSanitizationBypassAndThrow(unsafeResourceUrl, \"ResourceURL\" /* ResourceUrl */)) {\n        return unwrapSafeValue(unsafeResourceUrl);\n    }\n    throw new Error('unsafe value used in a resource URL context (see http://g.co/ng/security#xss)');\n}\n/**\n * A `script` sanitizer which only lets trusted javascript through.\n *\n * This passes only `script`s marked trusted by calling {@link\n * bypassSanitizationTrustScript}.\n *\n * @param unsafeScript untrusted `script`, typically from the user.\n * @returns `url` string which is safe to bind to the `<script>` element such as `<img src>`,\n * because only trusted `scripts` have been allowed to pass.\n *\n * @publicApi\n */\nfunction ɵɵsanitizeScript(unsafeScript) {\n    var sanitizer = getSanitizer();\n    if (sanitizer) {\n        return sanitizer.sanitize(SecurityContext.SCRIPT, unsafeScript) || '';\n    }\n    if (allowSanitizationBypassAndThrow(unsafeScript, \"Script\" /* Script */)) {\n        return unwrapSafeValue(unsafeScript);\n    }\n    throw new Error('unsafe value used in a script context');\n}\n/**\n * Detects which sanitizer to use for URL property, based on tag name and prop name.\n *\n * The rules are based on the RESOURCE_URL context config from\n * `packages/compiler/src/schema/dom_security_schema.ts`.\n * If tag and prop names don't match Resource URL schema, use URL sanitizer.\n */\nfunction getUrlSanitizer(tag, prop) {\n    if ((prop === 'src' && (tag === 'embed' || tag === 'frame' || tag === 'iframe' ||\n        tag === 'media' || tag === 'script')) ||\n        (prop === 'href' && (tag === 'base' || tag === 'link'))) {\n        return ɵɵsanitizeResourceUrl;\n    }\n    return ɵɵsanitizeUrl;\n}\n/**\n * Sanitizes URL, selecting sanitizer function based on tag and property names.\n *\n * This function is used in case we can't define security context at compile time, when only prop\n * name is available. This happens when we generate host bindings for Directives/Components. The\n * host element is unknown at compile time, so we defer calculation of specific sanitizer to\n * runtime.\n *\n * @param unsafeUrl untrusted `url`, typically from the user.\n * @param tag target element tag name.\n * @param prop name of the property that contains the value.\n * @returns `url` string which is safe to bind.\n *\n * @publicApi\n */\nfunction ɵɵsanitizeUrlOrResourceUrl(unsafeUrl, tag, prop) {\n    return getUrlSanitizer(tag, prop)(unsafeUrl);\n}\n/**\n * The default style sanitizer will handle sanitization for style properties by\n * sanitizing any CSS property that can include a `url` value (usually image-based properties)\n *\n * @publicApi\n */\nvar ɵɵdefaultStyleSanitizer = function (prop, value, mode) {\n    if (value === undefined && mode === undefined) {\n        // This is a workaround for the fact that `StyleSanitizeFn` should not exist once PR#34480\n        // lands. For now the `StyleSanitizeFn` and should act like `(value: any) => string` as a\n        // work around.\n        return ɵɵsanitizeStyle(prop);\n    }\n    mode = mode || 3 /* ValidateAndSanitize */;\n    var doSanitizeValue = true;\n    if (mode & 1 /* ValidateProperty */) {\n        doSanitizeValue = stylePropNeedsSanitization(prop);\n    }\n    if (mode & 2 /* SanitizeOnly */) {\n        return doSanitizeValue ? ɵɵsanitizeStyle(value) : unwrapSafeValue(value);\n    }\n    else {\n        return doSanitizeValue;\n    }\n};\nfunction stylePropNeedsSanitization(prop) {\n    return prop === 'background-image' || prop === 'backgroundImage' || prop === 'background' ||\n        prop === 'border-image' || prop === 'borderImage' || prop === 'border-image-source' ||\n        prop === 'borderImageSource' || prop === 'filter' || prop === 'list-style' ||\n        prop === 'listStyle' || prop === 'list-style-image' || prop === 'listStyleImage' ||\n        prop === 'clip-path' || prop === 'clipPath';\n}\nfunction validateAgainstEventProperties(name) {\n    if (name.toLowerCase().startsWith('on')) {\n        var msg = \"Binding to event property '\" + name + \"' is disallowed for security reasons, \" +\n            (\"please use (\" + name.slice(2) + \")=...\") +\n            (\"\\nIf '\" + name + \"' is a directive input, make sure the directive is imported by the\") +\n            \" current module.\";\n        throw new Error(msg);\n    }\n}\nfunction validateAgainstEventAttributes(name) {\n    if (name.toLowerCase().startsWith('on')) {\n        var msg = \"Binding to event attribute '\" + name + \"' is disallowed for security reasons, \" +\n            (\"please use (\" + name.slice(2) + \")=...\");\n        throw new Error(msg);\n    }\n}\nfunction getSanitizer() {\n    var lView = getLView();\n    return lView && lView[SANITIZER];\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * THIS FILE CONTAINS CODE WHICH SHOULD BE TREE SHAKEN AND NEVER CALLED FROM PRODUCTION CODE!!!\n */\n/**\n * Creates an `Array` construction with a given name. This is useful when\n * looking for memory consumption to see what time of array it is.\n *\n *\n * @param name Name to give to the constructor\n * @returns A subclass of `Array` if possible. This can only be done in\n *          environments which support `class` construct.\n */\nfunction createNamedArrayType(name) {\n    // This should never be called in prod mode, so let's verify that is the case.\n    if (ngDevMode) {\n        try {\n            // We need to do it this way so that TypeScript does not down-level the below code.\n            var FunctionConstructor = createNamedArrayType.constructor;\n            return (new FunctionConstructor('Array', \"return class \" + name + \" extends Array{}\"))(Array);\n        }\n        catch (e) {\n            // If it does not work just give up and fall back to regular Array.\n            return Array;\n        }\n    }\n    else {\n        throw new Error('Looks like we are in \\'prod mode\\', but we are creating a named Array type, which is wrong! Check your code');\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction normalizeDebugBindingName(name) {\n    // Attribute names with `$` (eg `x-y$`) are valid per spec, but unsupported by some browsers\n    name = camelCaseToDashCase(name.replace(/[$@]/g, '_'));\n    return \"ng-reflect-\" + name;\n}\nvar CAMEL_CASE_REGEXP = /([A-Z])/g;\nfunction camelCaseToDashCase(input) {\n    return input.replace(CAMEL_CASE_REGEXP, function () {\n        var m = [];\n        for (var _i = 0; _i < arguments.length; _i++) {\n            m[_i] = arguments[_i];\n        }\n        return '-' + m[1].toLowerCase();\n    });\n}\nfunction normalizeDebugBindingValue(value) {\n    try {\n        // Limit the size of the value as otherwise the DOM just gets polluted.\n        return value != null ? value.toString().slice(0, 30) : value;\n    }\n    catch (e) {\n        return '[ERROR] Exception while trying to serialize the value';\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * This property will be monkey-patched on elements, components and directives\n */\nvar MONKEY_PATCH_KEY_NAME = '__ngContext__';\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * For efficiency reasons we often put several different data types (`RNode`, `LView`, `LContainer`)\n * in same location in `LView`. This is because we don't want to pre-allocate space for it\n * because the storage is sparse. This file contains utilities for dealing with such data types.\n *\n * How do we know what is stored at a given location in `LView`.\n * - `Array.isArray(value) === false` => `RNode` (The normal storage value)\n * - `Array.isArray(value) === true` => then the `value[0]` represents the wrapped value.\n *   - `typeof value[TYPE] === 'object'` => `LView`\n *      - This happens when we have a component at a given location\n *   - `typeof value[TYPE] === true` => `LContainer`\n *      - This happens when we have `LContainer` binding at a given location.\n *\n *\n * NOTE: it is assumed that `Array.isArray` and `typeof` operations are very efficient.\n */\n/**\n * Returns `RNode`.\n * @param value wrapped value of `RNode`, `LView`, `LContainer`\n */\nfunction unwrapRNode(value) {\n    while (Array.isArray(value)) {\n        value = value[HOST];\n    }\n    return value;\n}\n/**\n * Returns `LView` or `null` if not found.\n * @param value wrapped value of `RNode`, `LView`, `LContainer`\n */\nfunction unwrapLView(value) {\n    while (Array.isArray(value)) {\n        // This check is same as `isLView()` but we don't call at as we don't want to call\n        // `Array.isArray()` twice and give JITer more work for inlining.\n        if (typeof value[TYPE] === 'object')\n            return value;\n        value = value[HOST];\n    }\n    return null;\n}\n/**\n * Returns `LContainer` or `null` if not found.\n * @param value wrapped value of `RNode`, `LView`, `LContainer`\n */\nfunction unwrapLContainer(value) {\n    while (Array.isArray(value)) {\n        // This check is same as `isLContainer()` but we don't call at as we don't want to call\n        // `Array.isArray()` twice and give JITer more work for inlining.\n        if (value[TYPE] === true)\n            return value;\n        value = value[HOST];\n    }\n    return null;\n}\n/**\n * Retrieves an element value from the provided `viewData`, by unwrapping\n * from any containers, component views, or style contexts.\n */\nfunction getNativeByIndex(index, lView) {\n    return unwrapRNode(lView[index + HEADER_OFFSET]);\n}\n/**\n * Retrieve an `RNode` for a given `TNode` and `LView`.\n *\n * This function guarantees in dev mode to retrieve a non-null `RNode`.\n *\n * @param tNode\n * @param lView\n */\nfunction getNativeByTNode(tNode, lView) {\n    ngDevMode && assertTNodeForLView(tNode, lView);\n    ngDevMode && assertDataInRange(lView, tNode.index);\n    var node = unwrapRNode(lView[tNode.index]);\n    ngDevMode && !isProceduralRenderer(lView[RENDERER]) && assertDomNode(node);\n    return node;\n}\n/**\n * Retrieve an `RNode` or `null` for a given `TNode` and `LView`.\n *\n * Some `TNode`s don't have associated `RNode`s. For example `Projection`\n *\n * @param tNode\n * @param lView\n */\nfunction getNativeByTNodeOrNull(tNode, lView) {\n    var index = tNode.index;\n    if (index !== -1) {\n        ngDevMode && assertTNodeForLView(tNode, lView);\n        var node = unwrapRNode(lView[index]);\n        ngDevMode && node !== null && !isProceduralRenderer(lView[RENDERER]) && assertDomNode(node);\n        return node;\n    }\n    return null;\n}\nfunction getTNode(tView, index) {\n    ngDevMode && assertGreaterThan(index, -1, 'wrong index for TNode');\n    ngDevMode && assertLessThan(index, tView.data.length, 'wrong index for TNode');\n    return tView.data[index + HEADER_OFFSET];\n}\n/** Retrieves a value from any `LView` or `TData`. */\nfunction load(view, index) {\n    ngDevMode && assertDataInRange(view, index + HEADER_OFFSET);\n    return view[index + HEADER_OFFSET];\n}\nfunction getComponentLViewByIndex(nodeIndex, hostView) {\n    // Could be an LView or an LContainer. If LContainer, unwrap to find LView.\n    ngDevMode && assertDataInRange(hostView, nodeIndex);\n    var slotValue = hostView[nodeIndex];\n    var lView = isLView(slotValue) ? slotValue : slotValue[HOST];\n    return lView;\n}\n/**\n * Returns the monkey-patch value data present on the target (which could be\n * a component, directive or a DOM node).\n */\nfunction readPatchedData(target) {\n    ngDevMode && assertDefined(target, 'Target expected');\n    return target[MONKEY_PATCH_KEY_NAME] || null;\n}\nfunction readPatchedLView(target) {\n    var value = readPatchedData(target);\n    if (value) {\n        return Array.isArray(value) ? value : value.lView;\n    }\n    return null;\n}\n/** Checks whether a given view is in creation mode */\nfunction isCreationMode(view) {\n    return (view[FLAGS] & 4 /* CreationMode */) === 4 /* CreationMode */;\n}\n/**\n * Returns a boolean for whether the view is attached to the change detection tree.\n *\n * Note: This determines whether a view should be checked, not whether it's inserted\n * into a container. For that, you'll want `viewAttachedToContainer` below.\n */\nfunction viewAttachedToChangeDetector(view) {\n    return (view[FLAGS] & 128 /* Attached */) === 128 /* Attached */;\n}\n/** Returns a boolean for whether the view is attached to a container. */\nfunction viewAttachedToContainer(view) {\n    return isLContainer(view[PARENT]);\n}\n/** Returns a constant from `TConstants` instance. */\nfunction getConstant(consts, index) {\n    return consts === null || index == null ? null : consts[index];\n}\n/**\n * Resets the pre-order hook flags of the view.\n * @param lView the LView on which the flags are reset\n */\nfunction resetPreOrderHookFlags(lView) {\n    lView[PREORDER_HOOK_FLAGS] = 0;\n}\nfunction getLContainerActiveIndex(lContainer) {\n    return lContainer[ACTIVE_INDEX] >> 1 /* SHIFT */;\n}\nfunction setLContainerActiveIndex(lContainer, index) {\n    lContainer[ACTIVE_INDEX] = index << 1 /* SHIFT */;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Returns the matching `LContext` data for a given DOM node, directive or component instance.\n *\n * This function will examine the provided DOM element, component, or directive instance\\'s\n * monkey-patched property to derive the `LContext` data. Once called then the monkey-patched\n * value will be that of the newly created `LContext`.\n *\n * If the monkey-patched value is the `LView` instance then the context value for that\n * target will be created and the monkey-patch reference will be updated. Therefore when this\n * function is called it may mutate the provided element\\'s, component\\'s or any of the associated\n * directive\\'s monkey-patch values.\n *\n * If the monkey-patch value is not detected then the code will walk up the DOM until an element\n * is found which contains a monkey-patch reference. When that occurs then the provided element\n * will be updated with a new context (which is then returned). If the monkey-patch value is not\n * detected for a component/directive instance then it will throw an error (all components and\n * directives should be automatically monkey-patched by ivy).\n *\n * @param target Component, Directive or DOM Node.\n */\nfunction getLContext(target) {\n    var mpValue = readPatchedData(target);\n    if (mpValue) {\n        // only when it's an array is it considered an LView instance\n        // ... otherwise it's an already constructed LContext instance\n        if (Array.isArray(mpValue)) {\n            var lView = mpValue;\n            var nodeIndex = void 0;\n            var component = undefined;\n            var directives = undefined;\n            if (isComponentInstance(target)) {\n                nodeIndex = findViaComponent(lView, target);\n                if (nodeIndex == -1) {\n                    throw new Error('The provided component was not found in the application');\n                }\n                component = target;\n            }\n            else if (isDirectiveInstance(target)) {\n                nodeIndex = findViaDirective(lView, target);\n                if (nodeIndex == -1) {\n                    throw new Error('The provided directive was not found in the application');\n                }\n                directives = getDirectivesAtNodeIndex(nodeIndex, lView, false);\n            }\n            else {\n                nodeIndex = findViaNativeElement(lView, target);\n                if (nodeIndex == -1) {\n                    return null;\n                }\n            }\n            // the goal is not to fill the entire context full of data because the lookups\n            // are expensive. Instead, only the target data (the element, component, container, ICU\n            // expression or directive details) are filled into the context. If called multiple times\n            // with different target values then the missing target data will be filled in.\n            var native = unwrapRNode(lView[nodeIndex]);\n            var existingCtx = readPatchedData(native);\n            var context = (existingCtx && !Array.isArray(existingCtx)) ?\n                existingCtx :\n                createLContext(lView, nodeIndex, native);\n            // only when the component has been discovered then update the monkey-patch\n            if (component && context.component === undefined) {\n                context.component = component;\n                attachPatchData(context.component, context);\n            }\n            // only when the directives have been discovered then update the monkey-patch\n            if (directives && context.directives === undefined) {\n                context.directives = directives;\n                for (var i = 0; i < directives.length; i++) {\n                    attachPatchData(directives[i], context);\n                }\n            }\n            attachPatchData(context.native, context);\n            mpValue = context;\n        }\n    }\n    else {\n        var rElement = target;\n        ngDevMode && assertDomNode(rElement);\n        // if the context is not found then we need to traverse upwards up the DOM\n        // to find the nearest element that has already been monkey patched with data\n        var parent_1 = rElement;\n        while (parent_1 = parent_1.parentNode) {\n            var parentContext = readPatchedData(parent_1);\n            if (parentContext) {\n                var lView = void 0;\n                if (Array.isArray(parentContext)) {\n                    lView = parentContext;\n                }\n                else {\n                    lView = parentContext.lView;\n                }\n                // the edge of the app was also reached here through another means\n                // (maybe because the DOM was changed manually).\n                if (!lView) {\n                    return null;\n                }\n                var index = findViaNativeElement(lView, rElement);\n                if (index >= 0) {\n                    var native = unwrapRNode(lView[index]);\n                    var context = createLContext(lView, index, native);\n                    attachPatchData(native, context);\n                    mpValue = context;\n                    break;\n                }\n            }\n        }\n    }\n    return mpValue || null;\n}\n/**\n * Creates an empty instance of a `LContext` context\n */\nfunction createLContext(lView, nodeIndex, native) {\n    return {\n        lView: lView,\n        nodeIndex: nodeIndex,\n        native: native,\n        component: undefined,\n        directives: undefined,\n        localRefs: undefined,\n    };\n}\n/**\n * Takes a component instance and returns the view for that component.\n *\n * @param componentInstance\n * @returns The component's view\n */\nfunction getComponentViewByInstance(componentInstance) {\n    var lView = readPatchedData(componentInstance);\n    var view;\n    if (Array.isArray(lView)) {\n        var nodeIndex = findViaComponent(lView, componentInstance);\n        view = getComponentLViewByIndex(nodeIndex, lView);\n        var context = createLContext(lView, nodeIndex, view[HOST]);\n        context.component = componentInstance;\n        attachPatchData(componentInstance, context);\n        attachPatchData(context.native, context);\n    }\n    else {\n        var context = lView;\n        view = getComponentLViewByIndex(context.nodeIndex, context.lView);\n    }\n    return view;\n}\n/**\n * Assigns the given data to the given target (which could be a component,\n * directive or DOM node instance) using monkey-patching.\n */\nfunction attachPatchData(target, data) {\n    target[MONKEY_PATCH_KEY_NAME] = data;\n}\nfunction isComponentInstance(instance) {\n    return instance && instance.constructor && instance.constructor.ɵcmp;\n}\nfunction isDirectiveInstance(instance) {\n    return instance && instance.constructor && instance.constructor.ɵdir;\n}\n/**\n * Locates the element within the given LView and returns the matching index\n */\nfunction findViaNativeElement(lView, target) {\n    var tNode = lView[TVIEW].firstChild;\n    while (tNode) {\n        var native = getNativeByTNodeOrNull(tNode, lView);\n        if (native === target) {\n            return tNode.index;\n        }\n        tNode = traverseNextElement(tNode);\n    }\n    return -1;\n}\n/**\n * Locates the next tNode (child, sibling or parent).\n */\nfunction traverseNextElement(tNode) {\n    if (tNode.child) {\n        return tNode.child;\n    }\n    else if (tNode.next) {\n        return tNode.next;\n    }\n    else {\n        // Let's take the following template: <div><span>text</span></div><component/>\n        // After checking the text node, we need to find the next parent that has a \"next\" TNode,\n        // in this case the parent `div`, so that we can find the component.\n        while (tNode.parent && !tNode.parent.next) {\n            tNode = tNode.parent;\n        }\n        return tNode.parent && tNode.parent.next;\n    }\n}\n/**\n * Locates the component within the given LView and returns the matching index\n */\nfunction findViaComponent(lView, componentInstance) {\n    var componentIndices = lView[TVIEW].components;\n    if (componentIndices) {\n        for (var i = 0; i < componentIndices.length; i++) {\n            var elementComponentIndex = componentIndices[i];\n            var componentView = getComponentLViewByIndex(elementComponentIndex, lView);\n            if (componentView[CONTEXT] === componentInstance) {\n                return elementComponentIndex;\n            }\n        }\n    }\n    else {\n        var rootComponentView = getComponentLViewByIndex(HEADER_OFFSET, lView);\n        var rootComponent = rootComponentView[CONTEXT];\n        if (rootComponent === componentInstance) {\n            // we are dealing with the root element here therefore we know that the\n            // element is the very first element after the HEADER data in the lView\n            return HEADER_OFFSET;\n        }\n    }\n    return -1;\n}\n/**\n * Locates the directive within the given LView and returns the matching index\n */\nfunction findViaDirective(lView, directiveInstance) {\n    // if a directive is monkey patched then it will (by default)\n    // have a reference to the LView of the current view. The\n    // element bound to the directive being search lives somewhere\n    // in the view data. We loop through the nodes and check their\n    // list of directives for the instance.\n    var tNode = lView[TVIEW].firstChild;\n    while (tNode) {\n        var directiveIndexStart = tNode.directiveStart;\n        var directiveIndexEnd = tNode.directiveEnd;\n        for (var i = directiveIndexStart; i < directiveIndexEnd; i++) {\n            if (lView[i] === directiveInstance) {\n                return tNode.index;\n            }\n        }\n        tNode = traverseNextElement(tNode);\n    }\n    return -1;\n}\n/**\n * Returns a list of directives extracted from the given view based on the\n * provided list of directive index values.\n *\n * @param nodeIndex The node index\n * @param lView The target view data\n * @param includeComponents Whether or not to include components in returned directives\n */\nfunction getDirectivesAtNodeIndex(nodeIndex, lView, includeComponents) {\n    var tNode = lView[TVIEW].data[nodeIndex];\n    var directiveStartIndex = tNode.directiveStart;\n    if (directiveStartIndex == 0)\n        return EMPTY_ARRAY;\n    var directiveEndIndex = tNode.directiveEnd;\n    if (!includeComponents && tNode.flags & 2 /* isComponentHost */)\n        directiveStartIndex++;\n    return lView.slice(directiveStartIndex, directiveEndIndex);\n}\nfunction getComponentAtNodeIndex(nodeIndex, lView) {\n    var tNode = lView[TVIEW].data[nodeIndex];\n    var directiveStartIndex = tNode.directiveStart;\n    return tNode.flags & 2 /* isComponentHost */ ? lView[directiveStartIndex] : null;\n}\n/**\n * Returns a map of local references (local reference name => element or directive instance) that\n * exist on a given element.\n */\nfunction discoverLocalRefs(lView, nodeIndex) {\n    var tNode = lView[TVIEW].data[nodeIndex];\n    if (tNode && tNode.localNames) {\n        var result = {};\n        var localIndex = tNode.index + 1;\n        for (var i = 0; i < tNode.localNames.length; i += 2) {\n            result[tNode.localNames[i]] = lView[localIndex];\n            localIndex++;\n        }\n        return result;\n    }\n    return null;\n}\n\n/** Called when directives inject each other (creating a circular dependency) */\nfunction throwCyclicDependencyError(token) {\n    throw new Error(\"Cannot instantiate cyclic dependency! \" + token);\n}\n/** Called when there are multiple component selectors that match a given node */\nfunction throwMultipleComponentError(tNode) {\n    throw new Error(\"Multiple components match node with tagname \" + tNode.tagName);\n}\nfunction throwMixedMultiProviderError() {\n    throw new Error(\"Cannot mix multi providers and regular providers\");\n}\nfunction throwInvalidProviderError(ngModuleType, providers, provider) {\n    var ngModuleDetail = '';\n    if (ngModuleType && providers) {\n        var providerDetail = providers.map(function (v) { return v == provider ? '?' + provider + '?' : '...'; });\n        ngModuleDetail =\n            \" - only instances of Provider and Type are allowed, got: [\" + providerDetail.join(', ') + \"]\";\n    }\n    throw new Error(\"Invalid provider for the NgModule '\" + stringify(ngModuleType) + \"'\" + ngModuleDetail);\n}\n/** Throws an ExpressionChangedAfterChecked error if checkNoChanges mode is on. */\nfunction throwErrorIfNoChangesMode(creationMode, oldValue, currValue, propName) {\n    var field = propName ? \" for '\" + propName + \"'\" : '';\n    var msg = \"ExpressionChangedAfterItHasBeenCheckedError: Expression has changed after it was checked. Previous value\" + field + \": '\" + oldValue + \"'. Current value: '\" + currValue + \"'.\";\n    if (creationMode) {\n        msg +=\n            \" It seems like the view has been created after its parent and its children have been dirty checked.\" +\n                \" Has it been created in a change detection hook?\";\n    }\n    // TODO: include debug context, see `viewDebugError` function in\n    // `packages/core/src/view/errors.ts` for reference.\n    // tslint:disable-next-line\n    debugger; // Left intentionally for better debugger experience.\n    throw new Error(msg);\n}\nfunction constructDetailsForInterpolation(lView, rootIndex, expressionIndex, meta, changedValue) {\n    var _a = __read(meta.split(INTERPOLATION_DELIMITER)), propName = _a[0], prefix = _a[1], chunks = _a.slice(2);\n    var oldValue = prefix, newValue = prefix;\n    for (var i = 0; i < chunks.length; i++) {\n        var slotIdx = rootIndex + i;\n        oldValue += \"\" + lView[slotIdx] + chunks[i];\n        newValue += \"\" + (slotIdx === expressionIndex ? changedValue : lView[slotIdx]) + chunks[i];\n    }\n    return { propName: propName, oldValue: oldValue, newValue: newValue };\n}\n/**\n * Constructs an object that contains details for the ExpressionChangedAfterItHasBeenCheckedError:\n * - property name (for property bindings or interpolations)\n * - old and new values, enriched using information from metadata\n *\n * More information on the metadata storage format can be found in `storePropertyBindingMetadata`\n * function description.\n */\nfunction getExpressionChangedErrorDetails(lView, bindingIndex, oldValue, newValue) {\n    var tData = lView[TVIEW].data;\n    var metadata = tData[bindingIndex];\n    if (typeof metadata === 'string') {\n        // metadata for property interpolation\n        if (metadata.indexOf(INTERPOLATION_DELIMITER) > -1) {\n            return constructDetailsForInterpolation(lView, bindingIndex, bindingIndex, metadata, newValue);\n        }\n        // metadata for property binding\n        return { propName: metadata, oldValue: oldValue, newValue: newValue };\n    }\n    // metadata is not available for this expression, check if this expression is a part of the\n    // property interpolation by going from the current binding index left and look for a string that\n    // contains INTERPOLATION_DELIMITER, the layout in tView.data for this case will look like this:\n    // [..., 'id�Prefix � and � suffix', null, null, null, ...]\n    if (metadata === null) {\n        var idx = bindingIndex - 1;\n        while (typeof tData[idx] !== 'string' && tData[idx + 1] === null) {\n            idx--;\n        }\n        var meta = tData[idx];\n        if (typeof meta === 'string') {\n            var matches = meta.match(new RegExp(INTERPOLATION_DELIMITER, 'g'));\n            // first interpolation delimiter separates property name from interpolation parts (in case of\n            // property interpolations), so we subtract one from total number of found delimiters\n            if (matches && (matches.length - 1) > bindingIndex - idx) {\n                return constructDetailsForInterpolation(lView, idx, bindingIndex, meta, newValue);\n            }\n        }\n    }\n    return { propName: undefined, oldValue: oldValue, newValue: newValue };\n}\n\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\nvar unusedValueExportToPlacateAjd$4 = 1;\n/**\n * Returns `true` if the `TNode` has a directive which has `@Input()` for `class` binding.\n *\n * ```\n * <div my-dir [class]=\"exp\"></div>\n * ```\n * and\n * ```\n * @Directive({\n * })\n * class MyDirective {\n *   @Input()\n *   class: string;\n * }\n * ```\n *\n * In the above case it is necessary to write the reconciled styling information into the\n * directive's input.\n *\n * @param tNode\n */\nfunction hasClassInput(tNode) {\n    return (tNode.flags & 16 /* hasClassInput */) !== 0;\n}\n/**\n * Returns `true` if the `TNode` has a directive which has `@Input()` for `style` binding.\n *\n * ```\n * <div my-dir [style]=\"exp\"></div>\n * ```\n * and\n * ```\n * @Directive({\n * })\n * class MyDirective {\n *   @Input()\n *   class: string;\n * }\n * ```\n *\n * In the above case it is necessary to write the reconciled styling information into the\n * directive's input.\n *\n * @param tNode\n */\nfunction hasStyleInput(tNode) {\n    return (tNode.flags & 32 /* hasStyleInput */) !== 0;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\nvar unusedValueExportToPlacateAjd$5 = 1;\n\n/**\n* @license\n* Copyright Google Inc. All Rights Reserved.\n*\n* Use of this source code is governed by an MIT-style license that can be\n* found in the LICENSE file at https://angular.io/license\n*/\n/**\n * Returns an index of `classToSearch` in `className` taking token boundaries into account.\n *\n * `classIndexOf('AB A', 'A', 0)` will be 3 (not 0 since `AB!==A`)\n *\n * @param className A string containing classes (whitespace separated)\n * @param classToSearch A class name to locate\n * @param startingIndex Starting location of search\n * @returns an index of the located class (or -1 if not found)\n */\nfunction classIndexOf(className, classToSearch, startingIndex) {\n    ngDevMode && assertNotEqual(classToSearch, '', 'can not look for \"\" string.');\n    var end = className.length;\n    while (true) {\n        var foundIndex = className.indexOf(classToSearch, startingIndex);\n        if (foundIndex === -1)\n            return foundIndex;\n        if (foundIndex === 0 || className.charCodeAt(foundIndex - 1) <= 32 /* SPACE */) {\n            // Ensure that it has leading whitespace\n            var length_1 = classToSearch.length;\n            if (foundIndex + length_1 === end ||\n                className.charCodeAt(foundIndex + length_1) <= 32 /* SPACE */) {\n                // Ensure that it has trailing whitespace\n                return foundIndex;\n            }\n        }\n        // False positive, keep searching from where we left off.\n        startingIndex = foundIndex + 1;\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar unusedValueToPlacateAjd = unusedValueExportToPlacateAjd$4 + unusedValueExportToPlacateAjd$5;\nvar NG_TEMPLATE_SELECTOR = 'ng-template';\n/**\n * Search the `TAttributes` to see if it contains `cssClassToMatch` (case insensitive)\n *\n * @param attrs `TAttributes` to search through.\n * @param cssClassToMatch class to match (lowercase)\n * @param isProjectionMode Whether or not class matching should look into the attribute `class` in\n *    addition to the `AttributeMarker.Classes`.\n */\nfunction isCssClassMatching(attrs, cssClassToMatch, isProjectionMode) {\n    // TODO(misko): The fact that this function needs to know about `isProjectionMode` seems suspect.\n    // It is strange to me that sometimes the class information comes in form of `class` attribute\n    // and sometimes in form of `AttributeMarker.Classes`. Some investigation is needed to determine\n    // if that is the right behavior.\n    ngDevMode &&\n        assertEqual(cssClassToMatch, cssClassToMatch.toLowerCase(), 'Class name expected to be lowercase.');\n    var i = 0;\n    while (i < attrs.length) {\n        var item = attrs[i++];\n        if (isProjectionMode && item === 'class') {\n            item = attrs[i];\n            if (classIndexOf(item.toLowerCase(), cssClassToMatch, 0) !== -1) {\n                return true;\n            }\n        }\n        else if (item === 1 /* Classes */) {\n            // We found the classes section. Start searching for the class.\n            while (i < attrs.length && typeof (item = attrs[i++]) == 'string') {\n                // while we have strings\n                if (item.toLowerCase() === cssClassToMatch)\n                    return true;\n            }\n            return false;\n        }\n    }\n    return false;\n}\n/**\n * Function that checks whether a given tNode matches tag-based selector and has a valid type.\n *\n * Matching can be performed in 2 modes: projection mode (when we project nodes) and regular\n * directive matching mode:\n * - in the \"directive matching\" mode we do _not_ take TContainer's tagName into account if it is\n * different from NG_TEMPLATE_SELECTOR (value different from NG_TEMPLATE_SELECTOR indicates that a\n * tag name was extracted from * syntax so we would match the same directive twice);\n * - in the \"projection\" mode, we use a tag name potentially extracted from the * syntax processing\n * (applicable to TNodeType.Container only).\n */\nfunction hasTagAndTypeMatch(tNode, currentSelector, isProjectionMode) {\n    var tagNameToCompare = tNode.type === 0 /* Container */ && !isProjectionMode ?\n        NG_TEMPLATE_SELECTOR :\n        tNode.tagName;\n    return currentSelector === tagNameToCompare;\n}\n/**\n * A utility function to match an Ivy node static data against a simple CSS selector\n *\n * @param node static data of the node to match\n * @param selector The selector to try matching against the node.\n * @param isProjectionMode if `true` we are matching for content projection, otherwise we are doing\n * directive matching.\n * @returns true if node matches the selector.\n */\nfunction isNodeMatchingSelector(tNode, selector, isProjectionMode) {\n    ngDevMode && assertDefined(selector[0], 'Selector should have a tag name');\n    var mode = 4 /* ELEMENT */;\n    var nodeAttrs = tNode.attrs || [];\n    // Find the index of first attribute that has no value, only a name.\n    var nameOnlyMarkerIdx = getNameOnlyMarkerIndex(nodeAttrs);\n    // When processing \":not\" selectors, we skip to the next \":not\" if the\n    // current one doesn't match\n    var skipToNextSelector = false;\n    for (var i = 0; i < selector.length; i++) {\n        var current = selector[i];\n        if (typeof current === 'number') {\n            // If we finish processing a :not selector and it hasn't failed, return false\n            if (!skipToNextSelector && !isPositive(mode) && !isPositive(current)) {\n                return false;\n            }\n            // If we are skipping to the next :not() and this mode flag is positive,\n            // it's a part of the current :not() selector, and we should keep skipping\n            if (skipToNextSelector && isPositive(current))\n                continue;\n            skipToNextSelector = false;\n            mode = current | (mode & 1 /* NOT */);\n            continue;\n        }\n        if (skipToNextSelector)\n            continue;\n        if (mode & 4 /* ELEMENT */) {\n            mode = 2 /* ATTRIBUTE */ | mode & 1 /* NOT */;\n            if (current !== '' && !hasTagAndTypeMatch(tNode, current, isProjectionMode) ||\n                current === '' && selector.length === 1) {\n                if (isPositive(mode))\n                    return false;\n                skipToNextSelector = true;\n            }\n        }\n        else {\n            var selectorAttrValue = mode & 8 /* CLASS */ ? current : selector[++i];\n            // special case for matching against classes when a tNode has been instantiated with\n            // class and style values as separate attribute values (e.g. ['title', CLASS, 'foo'])\n            if ((mode & 8 /* CLASS */) && tNode.attrs !== null) {\n                if (!isCssClassMatching(tNode.attrs, selectorAttrValue, isProjectionMode)) {\n                    if (isPositive(mode))\n                        return false;\n                    skipToNextSelector = true;\n                }\n                continue;\n            }\n            var isInlineTemplate = tNode.type == 0 /* Container */ && tNode.tagName !== NG_TEMPLATE_SELECTOR;\n            var attrName = (mode & 8 /* CLASS */) ? 'class' : current;\n            var attrIndexInNode = findAttrIndexInNode(attrName, nodeAttrs, isInlineTemplate, isProjectionMode);\n            if (attrIndexInNode === -1) {\n                if (isPositive(mode))\n                    return false;\n                skipToNextSelector = true;\n                continue;\n            }\n            if (selectorAttrValue !== '') {\n                var nodeAttrValue = void 0;\n                if (attrIndexInNode > nameOnlyMarkerIdx) {\n                    nodeAttrValue = '';\n                }\n                else {\n                    ngDevMode && assertNotEqual(nodeAttrs[attrIndexInNode], 0 /* NamespaceURI */, 'We do not match directives on namespaced attributes');\n                    // we lowercase the attribute value to be able to match\n                    // selectors without case-sensitivity\n                    // (selectors are already in lowercase when generated)\n                    nodeAttrValue = nodeAttrs[attrIndexInNode + 1].toLowerCase();\n                }\n                var compareAgainstClassName = mode & 8 /* CLASS */ ? nodeAttrValue : null;\n                if (compareAgainstClassName &&\n                    classIndexOf(compareAgainstClassName, selectorAttrValue, 0) !== -1 ||\n                    mode & 2 /* ATTRIBUTE */ && selectorAttrValue !== nodeAttrValue) {\n                    if (isPositive(mode))\n                        return false;\n                    skipToNextSelector = true;\n                }\n            }\n        }\n    }\n    return isPositive(mode) || skipToNextSelector;\n}\nfunction isPositive(mode) {\n    return (mode & 1 /* NOT */) === 0;\n}\n/**\n * Examines the attribute's definition array for a node to find the index of the\n * attribute that matches the given `name`.\n *\n * NOTE: This will not match namespaced attributes.\n *\n * Attribute matching depends upon `isInlineTemplate` and `isProjectionMode`.\n * The following table summarizes which types of attributes we attempt to match:\n *\n * ===========================================================================================================\n * Modes                   | Normal Attributes | Bindings Attributes | Template Attributes | I18n\n * Attributes\n * ===========================================================================================================\n * Inline + Projection     | YES               | YES                 | NO                  | YES\n * -----------------------------------------------------------------------------------------------------------\n * Inline + Directive      | NO                | NO                  | YES                 | NO\n * -----------------------------------------------------------------------------------------------------------\n * Non-inline + Projection | YES               | YES                 | NO                  | YES\n * -----------------------------------------------------------------------------------------------------------\n * Non-inline + Directive  | YES               | YES                 | NO                  | YES\n * ===========================================================================================================\n *\n * @param name the name of the attribute to find\n * @param attrs the attribute array to examine\n * @param isInlineTemplate true if the node being matched is an inline template (e.g. `*ngFor`)\n * rather than a manually expanded template node (e.g `<ng-template>`).\n * @param isProjectionMode true if we are matching against content projection otherwise we are\n * matching against directives.\n */\nfunction findAttrIndexInNode(name, attrs, isInlineTemplate, isProjectionMode) {\n    if (attrs === null)\n        return -1;\n    var i = 0;\n    if (isProjectionMode || !isInlineTemplate) {\n        var bindingsMode = false;\n        while (i < attrs.length) {\n            var maybeAttrName = attrs[i];\n            if (maybeAttrName === name) {\n                return i;\n            }\n            else if (maybeAttrName === 3 /* Bindings */ || maybeAttrName === 6 /* I18n */) {\n                bindingsMode = true;\n            }\n            else if (maybeAttrName === 1 /* Classes */ || maybeAttrName === 2 /* Styles */) {\n                var value = attrs[++i];\n                // We should skip classes here because we have a separate mechanism for\n                // matching classes in projection mode.\n                while (typeof value === 'string') {\n                    value = attrs[++i];\n                }\n                continue;\n            }\n            else if (maybeAttrName === 4 /* Template */) {\n                // We do not care about Template attributes in this scenario.\n                break;\n            }\n            else if (maybeAttrName === 0 /* NamespaceURI */) {\n                // Skip the whole namespaced attribute and value. This is by design.\n                i += 4;\n                continue;\n            }\n            // In binding mode there are only names, rather than name-value pairs.\n            i += bindingsMode ? 1 : 2;\n        }\n        // We did not match the attribute\n        return -1;\n    }\n    else {\n        return matchTemplateAttribute(attrs, name);\n    }\n}\nfunction isNodeMatchingSelectorList(tNode, selector, isProjectionMode) {\n    if (isProjectionMode === void 0) { isProjectionMode = false; }\n    for (var i = 0; i < selector.length; i++) {\n        if (isNodeMatchingSelector(tNode, selector[i], isProjectionMode)) {\n            return true;\n        }\n    }\n    return false;\n}\nfunction getProjectAsAttrValue(tNode) {\n    var nodeAttrs = tNode.attrs;\n    if (nodeAttrs != null) {\n        var ngProjectAsAttrIdx = nodeAttrs.indexOf(5 /* ProjectAs */);\n        // only check for ngProjectAs in attribute names, don't accidentally match attribute's value\n        // (attribute names are stored at even indexes)\n        if ((ngProjectAsAttrIdx & 1) === 0) {\n            return nodeAttrs[ngProjectAsAttrIdx + 1];\n        }\n    }\n    return null;\n}\nfunction getNameOnlyMarkerIndex(nodeAttrs) {\n    for (var i = 0; i < nodeAttrs.length; i++) {\n        var nodeAttr = nodeAttrs[i];\n        if (isNameOnlyAttributeMarker(nodeAttr)) {\n            return i;\n        }\n    }\n    return nodeAttrs.length;\n}\nfunction matchTemplateAttribute(attrs, name) {\n    var i = attrs.indexOf(4 /* Template */);\n    if (i > -1) {\n        i++;\n        while (i < attrs.length) {\n            if (attrs[i] === name)\n                return i;\n            i++;\n        }\n    }\n    return -1;\n}\n/**\n * Checks whether a selector is inside a CssSelectorList\n * @param selector Selector to be checked.\n * @param list List in which to look for the selector.\n */\nfunction isSelectorInSelectorList(selector, list) {\n    selectorListLoop: for (var i = 0; i < list.length; i++) {\n        var currentSelectorInList = list[i];\n        if (selector.length !== currentSelectorInList.length) {\n            continue;\n        }\n        for (var j = 0; j < selector.length; j++) {\n            if (selector[j] !== currentSelectorInList[j]) {\n                continue selectorListLoop;\n            }\n        }\n        return true;\n    }\n    return false;\n}\nfunction maybeWrapInNotSelector(isNegativeMode, chunk) {\n    return isNegativeMode ? ':not(' + chunk.trim() + ')' : chunk;\n}\nfunction stringifyCSSSelector(selector) {\n    var result = selector[0];\n    var i = 1;\n    var mode = 2 /* ATTRIBUTE */;\n    var currentChunk = '';\n    var isNegativeMode = false;\n    while (i < selector.length) {\n        var valueOrMarker = selector[i];\n        if (typeof valueOrMarker === 'string') {\n            if (mode & 2 /* ATTRIBUTE */) {\n                var attrValue = selector[++i];\n                currentChunk +=\n                    '[' + valueOrMarker + (attrValue.length > 0 ? '=\"' + attrValue + '\"' : '') + ']';\n            }\n            else if (mode & 8 /* CLASS */) {\n                currentChunk += '.' + valueOrMarker;\n            }\n            else if (mode & 4 /* ELEMENT */) {\n                currentChunk += ' ' + valueOrMarker;\n            }\n        }\n        else {\n            //\n            // Append current chunk to the final result in case we come across SelectorFlag, which\n            // indicates that the previous section of a selector is over. We need to accumulate content\n            // between flags to make sure we wrap the chunk later in :not() selector if needed, e.g.\n            // ```\n            //  ['', Flags.CLASS, '.classA', Flags.CLASS | Flags.NOT, '.classB', '.classC']\n            // ```\n            // should be transformed to `.classA :not(.classB .classC)`.\n            //\n            // Note: for negative selector part, we accumulate content between flags until we find the\n            // next negative flag. This is needed to support a case where `:not()` rule contains more than\n            // one chunk, e.g. the following selector:\n            // ```\n            //  ['', Flags.ELEMENT | Flags.NOT, 'p', Flags.CLASS, 'foo', Flags.CLASS | Flags.NOT, 'bar']\n            // ```\n            // should be stringified to `:not(p.foo) :not(.bar)`\n            //\n            if (currentChunk !== '' && !isPositive(valueOrMarker)) {\n                result += maybeWrapInNotSelector(isNegativeMode, currentChunk);\n                currentChunk = '';\n            }\n            mode = valueOrMarker;\n            // According to CssSelector spec, once we come across `SelectorFlags.NOT` flag, the negative\n            // mode is maintained for remaining chunks of a selector.\n            isNegativeMode = isNegativeMode || !isPositive(mode);\n        }\n        i++;\n    }\n    if (currentChunk !== '') {\n        result += maybeWrapInNotSelector(isNegativeMode, currentChunk);\n    }\n    return result;\n}\n/**\n * Generates string representation of CSS selector in parsed form.\n *\n * ComponentDef and DirectiveDef are generated with the selector in parsed form to avoid doing\n * additional parsing at runtime (for example, for directive matching). However in some cases (for\n * example, while bootstrapping a component), a string version of the selector is required to query\n * for the host element on the page. This function takes the parsed form of a selector and returns\n * its string representation.\n *\n * @param selectorList selector in parsed form\n * @returns string representation of a given selector\n */\nfunction stringifyCSSSelectorList(selectorList) {\n    return selectorList.map(stringifyCSSSelector).join(',');\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** A special value which designates that a value has not changed. */\nvar NO_CHANGE = (typeof ngDevMode === 'undefined' || ngDevMode) ? { __brand__: 'NO_CHANGE' } : {};\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Gets the parent LView of the passed LView, if the PARENT is an LContainer, will get the parent of\n * that LContainer, which is an LView\n * @param lView the lView whose parent to get\n */\nfunction getLViewParent(lView) {\n    ngDevMode && assertLView(lView);\n    var parent = lView[PARENT];\n    return isLContainer(parent) ? parent[PARENT] : parent;\n}\n/**\n * Retrieve the root view from any component or `LView` by walking the parent `LView` until\n * reaching the root `LView`.\n *\n * @param componentOrLView any component or `LView`\n */\nfunction getRootView(componentOrLView) {\n    ngDevMode && assertDefined(componentOrLView, 'component');\n    var lView = isLView(componentOrLView) ? componentOrLView : readPatchedLView(componentOrLView);\n    while (lView && !(lView[FLAGS] & 512 /* IsRoot */)) {\n        lView = getLViewParent(lView);\n    }\n    ngDevMode && assertLView(lView);\n    return lView;\n}\n/**\n * Returns the `RootContext` instance that is associated with\n * the application where the target is situated. It does this by walking the parent views until it\n * gets to the root view, then getting the context off of that.\n *\n * @param viewOrComponent the `LView` or component to get the root context for.\n */\nfunction getRootContext(viewOrComponent) {\n    var rootView = getRootView(viewOrComponent);\n    ngDevMode &&\n        assertDefined(rootView[CONTEXT], 'RootView has no context. Perhaps it is disconnected?');\n    return rootView[CONTEXT];\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Advances to an element for later binding instructions.\n *\n * Used in conjunction with instructions like {@link property} to act on elements with specified\n * indices, for example those created with {@link element} or {@link elementStart}.\n *\n * ```ts\n * (rf: RenderFlags, ctx: any) => {\n  *   if (rf & 1) {\n  *     text(0, 'Hello');\n  *     text(1, 'Goodbye')\n  *     element(2, 'div');\n  *   }\n  *   if (rf & 2) {\n  *     advance(2); // Advance twice to the <div>.\n  *     property('title', 'test');\n  *   }\n  *  }\n  * ```\n  * @param delta Number of elements to advance forwards by.\n  *\n  * @codeGenApi\n  */\nfunction ɵɵadvance(delta) {\n    ngDevMode && assertGreaterThan(delta, 0, 'Can only advance forward');\n    selectIndexInternal(getTView(), getLView(), getSelectedIndex() + delta, getCheckNoChangesMode());\n}\n/**\n * Selects an element for later binding instructions.\n * @deprecated No longer being generated, but still used in unit tests.\n * @codeGenApi\n */\nfunction ɵɵselect(index) {\n    // TODO(misko): Remove this function as it is no longer being used.\n    selectIndexInternal(getTView(), getLView(), index, getCheckNoChangesMode());\n}\nfunction selectIndexInternal(tView, lView, index, checkNoChangesMode) {\n    ngDevMode && assertGreaterThan(index, -1, 'Invalid index');\n    ngDevMode && assertDataInRange(lView, index + HEADER_OFFSET);\n    // Flush the initial hooks for elements in the view that have been added up to this point.\n    // PERF WARNING: do NOT extract this to a separate function without running benchmarks\n    if (!checkNoChangesMode) {\n        var hooksInitPhaseCompleted = (lView[FLAGS] & 3 /* InitPhaseStateMask */) === 3 /* InitPhaseCompleted */;\n        if (hooksInitPhaseCompleted) {\n            var preOrderCheckHooks = tView.preOrderCheckHooks;\n            if (preOrderCheckHooks !== null) {\n                executeCheckHooks(lView, preOrderCheckHooks, index);\n            }\n        }\n        else {\n            var preOrderHooks = tView.preOrderHooks;\n            if (preOrderHooks !== null) {\n                executeInitAndCheckHooks(lView, preOrderHooks, 0 /* OnInitHooksToBeRun */, index);\n            }\n        }\n    }\n    // We must set the selected index *after* running the hooks, because hooks may have side-effects\n    // that cause other template functions to run, thus updating the selected index, which is global\n    // state. If we run `setSelectedIndex` *before* we run the hooks, in some cases the selected index\n    // will be altered by the time we leave the `ɵɵadvance` instruction.\n    setSelectedIndex(index);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Marks that the next string is for element.\n *\n * See `I18nMutateOpCodes` documentation.\n */\nvar ELEMENT_MARKER = {\n    marker: 'element'\n};\n/**\n * Marks that the next string is for comment.\n *\n * See `I18nMutateOpCodes` documentation.\n */\nvar COMMENT_MARKER = {\n    marker: 'comment'\n};\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\nvar unusedValueExportToPlacateAjd$6 = 1;\n\n/**\n* @license\n* Copyright Google Inc. All Rights Reserved.\n*\n* Use of this source code is governed by an MIT-style license that can be\n* found in the LICENSE file at https://angular.io/license\n*/\nfunction toTStylingRange(prev, next) {\n    ngDevMode && assertNumberInRange(prev, 0, 32767 /* UNSIGNED_MASK */);\n    ngDevMode && assertNumberInRange(next, 0, 32767 /* UNSIGNED_MASK */);\n    return (prev << 17 /* PREV_SHIFT */ | next << 2 /* NEXT_SHIFT */);\n}\nfunction getTStylingRangePrev(tStylingRange) {\n    ngDevMode && assertNumber(tStylingRange, 'expected number');\n    return (tStylingRange >> 17 /* PREV_SHIFT */) & 32767 /* UNSIGNED_MASK */;\n}\nfunction getTStylingRangePrevDuplicate(tStylingRange) {\n    ngDevMode && assertNumber(tStylingRange, 'expected number');\n    return (tStylingRange & 2 /* PREV_DUPLICATE */) ==\n        2 /* PREV_DUPLICATE */;\n}\nfunction setTStylingRangePrev(tStylingRange, previous) {\n    ngDevMode && assertNumber(tStylingRange, 'expected number');\n    ngDevMode && assertNumberInRange(previous, 0, 32767 /* UNSIGNED_MASK */);\n    return ((tStylingRange & ~4294836224 /* PREV_MASK */) |\n        (previous << 17 /* PREV_SHIFT */));\n}\nfunction setTStylingRangePrevDuplicate(tStylingRange) {\n    ngDevMode && assertNumber(tStylingRange, 'expected number');\n    return (tStylingRange | 2 /* PREV_DUPLICATE */);\n}\nfunction getTStylingRangeNext(tStylingRange) {\n    ngDevMode && assertNumber(tStylingRange, 'expected number');\n    return (tStylingRange & 131068 /* NEXT_MASK */) >> 2 /* NEXT_SHIFT */;\n}\nfunction setTStylingRangeNext(tStylingRange, next) {\n    ngDevMode && assertNumber(tStylingRange, 'expected number');\n    ngDevMode && assertNumberInRange(next, 0, 32767 /* UNSIGNED_MASK */);\n    return ((tStylingRange & ~131068 /* NEXT_MASK */) | //\n        next << 2 /* NEXT_SHIFT */);\n}\nfunction getTStylingRangeNextDuplicate(tStylingRange) {\n    ngDevMode && assertNumber(tStylingRange, 'expected number');\n    return (tStylingRange & 1 /* NEXT_DUPLICATE */) ===\n        1 /* NEXT_DUPLICATE */;\n}\nfunction setTStylingRangeNextDuplicate(tStylingRange) {\n    ngDevMode && assertNumber(tStylingRange, 'expected number');\n    return (tStylingRange | 1 /* NEXT_DUPLICATE */);\n}\nfunction getTStylingRangeTail(tStylingRange) {\n    ngDevMode && assertNumber(tStylingRange, 'expected number');\n    var next = getTStylingRangeNext(tStylingRange);\n    return next === 0 ? getTStylingRangePrev(tStylingRange) : next;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction attachDebugObject(obj, debug) {\n    Object.defineProperty(obj, 'debug', { value: debug, enumerable: false });\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar NG_DEV_MODE = ((typeof ngDevMode === 'undefined' || !!ngDevMode) && initNgDevMode());\n/*\n * This file contains conditionally attached classes which provide human readable (debug) level\n * information for `LView`, `LContainer` and other internal data structures. These data structures\n * are stored internally as array which makes it very difficult during debugging to reason about the\n * current state of the system.\n *\n * Patching the array with extra property does change the array's hidden class' but it does not\n * change the cost of access, therefore this patching should not have significant if any impact in\n * `ngDevMode` mode. (see: https://jsperf.com/array-vs-monkey-patch-array)\n *\n * So instead of seeing:\n * ```\n * Array(30) [Object, 659, null, …]\n * ```\n *\n * You get to see:\n * ```\n * LViewDebug {\n *   views: [...],\n *   flags: {attached: true, ...}\n *   nodes: [\n *     {html: '<div id=\"123\">', ..., nodes: [\n *       {html: '<span>', ..., nodes: null}\n *     ]}\n *   ]\n * }\n * ```\n */\nvar LVIEW_COMPONENT_CACHE;\nvar LVIEW_EMBEDDED_CACHE;\nvar LVIEW_ROOT;\n/**\n * This function clones a blueprint and creates LView.\n *\n * Simple slice will keep the same type, and we need it to be LView\n */\nfunction cloneToLViewFromTViewBlueprint(tView) {\n    var debugTView = tView;\n    var lView = getLViewToClone(debugTView.type, tView.template && tView.template.name);\n    return lView.concat(tView.blueprint);\n}\nfunction getLViewToClone(type, name) {\n    switch (type) {\n        case 0 /* Root */:\n            if (LVIEW_ROOT === undefined)\n                LVIEW_ROOT = new (createNamedArrayType('LRootView'))();\n            return LVIEW_ROOT;\n        case 1 /* Component */:\n            if (LVIEW_COMPONENT_CACHE === undefined)\n                LVIEW_COMPONENT_CACHE = new Map();\n            var componentArray = LVIEW_COMPONENT_CACHE.get(name);\n            if (componentArray === undefined) {\n                componentArray = new (createNamedArrayType('LComponentView' + nameSuffix(name)))();\n                LVIEW_COMPONENT_CACHE.set(name, componentArray);\n            }\n            return componentArray;\n        case 2 /* Embedded */:\n            if (LVIEW_EMBEDDED_CACHE === undefined)\n                LVIEW_EMBEDDED_CACHE = new Map();\n            var embeddedArray = LVIEW_EMBEDDED_CACHE.get(name);\n            if (embeddedArray === undefined) {\n                embeddedArray = new (createNamedArrayType('LEmbeddedView' + nameSuffix(name)))();\n                LVIEW_EMBEDDED_CACHE.set(name, embeddedArray);\n            }\n            return embeddedArray;\n    }\n    throw new Error('unreachable code');\n}\nfunction nameSuffix(text) {\n    if (text == null)\n        return '';\n    var index = text.lastIndexOf('_Template');\n    return '_' + (index === -1 ? text : text.substr(0, index));\n}\n/**\n * This class is a debug version of Object literal so that we can have constructor name show up\n * in\n * debug tools in ngDevMode.\n */\nvar TViewConstructor = /** @class */ (function () {\n    function TView(type, //\n    id, //\n    blueprint, //\n    template, //\n    queries, //\n    viewQuery, //\n    node, //\n    data, //\n    bindingStartIndex, //\n    expandoStartIndex, //\n    expandoInstructions, //\n    firstCreatePass, //\n    firstUpdatePass, //\n    staticViewQueries, //\n    staticContentQueries, //\n    preOrderHooks, //\n    preOrderCheckHooks, //\n    contentHooks, //\n    contentCheckHooks, //\n    viewHooks, //\n    viewCheckHooks, //\n    destroyHooks, //\n    cleanup, //\n    contentQueries, //\n    components, //\n    directiveRegistry, //\n    pipeRegistry, //\n    firstChild, //\n    schemas, //\n    consts) {\n        this.type = type;\n        this.id = id;\n        this.blueprint = blueprint;\n        this.template = template;\n        this.queries = queries;\n        this.viewQuery = viewQuery;\n        this.node = node;\n        this.data = data;\n        this.bindingStartIndex = bindingStartIndex;\n        this.expandoStartIndex = expandoStartIndex;\n        this.expandoInstructions = expandoInstructions;\n        this.firstCreatePass = firstCreatePass;\n        this.firstUpdatePass = firstUpdatePass;\n        this.staticViewQueries = staticViewQueries;\n        this.staticContentQueries = staticContentQueries;\n        this.preOrderHooks = preOrderHooks;\n        this.preOrderCheckHooks = preOrderCheckHooks;\n        this.contentHooks = contentHooks;\n        this.contentCheckHooks = contentCheckHooks;\n        this.viewHooks = viewHooks;\n        this.viewCheckHooks = viewCheckHooks;\n        this.destroyHooks = destroyHooks;\n        this.cleanup = cleanup;\n        this.contentQueries = contentQueries;\n        this.components = components;\n        this.directiveRegistry = directiveRegistry;\n        this.pipeRegistry = pipeRegistry;\n        this.firstChild = firstChild;\n        this.schemas = schemas;\n        this.consts = consts;\n    }\n    Object.defineProperty(TView.prototype, \"template_\", {\n        get: function () {\n            var buf = [];\n            processTNodeChildren(this.firstChild, buf);\n            return buf.join('');\n        },\n        enumerable: true,\n        configurable: true\n    });\n    return TView;\n}());\nvar TNode = /** @class */ (function () {\n    function TNode(tView_, //\n    type, //\n    index, //\n    injectorIndex, //\n    directiveStart, //\n    directiveEnd, //\n    directiveStylingLast, //\n    propertyBindings, //\n    flags, //\n    providerIndexes, //\n    tagName, //\n    attrs, //\n    mergedAttrs, //\n    localNames, //\n    initialInputs, //\n    inputs, //\n    outputs, //\n    tViews, //\n    next, //\n    projectionNext, //\n    child, //\n    parent, //\n    projection, //\n    styles, //\n    residualStyles, //\n    classes, //\n    residualClasses, //\n    classBindings, //\n    styleBindings) {\n        this.tView_ = tView_;\n        this.type = type;\n        this.index = index;\n        this.injectorIndex = injectorIndex;\n        this.directiveStart = directiveStart;\n        this.directiveEnd = directiveEnd;\n        this.directiveStylingLast = directiveStylingLast;\n        this.propertyBindings = propertyBindings;\n        this.flags = flags;\n        this.providerIndexes = providerIndexes;\n        this.tagName = tagName;\n        this.attrs = attrs;\n        this.mergedAttrs = mergedAttrs;\n        this.localNames = localNames;\n        this.initialInputs = initialInputs;\n        this.inputs = inputs;\n        this.outputs = outputs;\n        this.tViews = tViews;\n        this.next = next;\n        this.projectionNext = projectionNext;\n        this.child = child;\n        this.parent = parent;\n        this.projection = projection;\n        this.styles = styles;\n        this.residualStyles = residualStyles;\n        this.classes = classes;\n        this.residualClasses = residualClasses;\n        this.classBindings = classBindings;\n        this.styleBindings = styleBindings;\n    }\n    Object.defineProperty(TNode.prototype, \"type_\", {\n        get: function () {\n            switch (this.type) {\n                case 0 /* Container */:\n                    return 'TNodeType.Container';\n                case 3 /* Element */:\n                    return 'TNodeType.Element';\n                case 4 /* ElementContainer */:\n                    return 'TNodeType.ElementContainer';\n                case 5 /* IcuContainer */:\n                    return 'TNodeType.IcuContainer';\n                case 1 /* Projection */:\n                    return 'TNodeType.Projection';\n                case 2 /* View */:\n                    return 'TNodeType.View';\n                default:\n                    return 'TNodeType.???';\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(TNode.prototype, \"flags_\", {\n        get: function () {\n            var flags = [];\n            if (this.flags & 16 /* hasClassInput */)\n                flags.push('TNodeFlags.hasClassInput');\n            if (this.flags & 8 /* hasContentQuery */)\n                flags.push('TNodeFlags.hasContentQuery');\n            if (this.flags & 32 /* hasStyleInput */)\n                flags.push('TNodeFlags.hasStyleInput');\n            if (this.flags & 128 /* hasHostBindings */)\n                flags.push('TNodeFlags.hasHostBindings');\n            if (this.flags & 2 /* isComponentHost */)\n                flags.push('TNodeFlags.isComponentHost');\n            if (this.flags & 1 /* isDirectiveHost */)\n                flags.push('TNodeFlags.isDirectiveHost');\n            if (this.flags & 64 /* isDetached */)\n                flags.push('TNodeFlags.isDetached');\n            if (this.flags & 4 /* isProjected */)\n                flags.push('TNodeFlags.isProjected');\n            return flags.join('|');\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(TNode.prototype, \"template_\", {\n        get: function () {\n            var buf = [];\n            buf.push('<', this.tagName || this.type_);\n            if (this.attrs) {\n                for (var i = 0; i < this.attrs.length;) {\n                    var attrName = this.attrs[i++];\n                    if (typeof attrName == 'number') {\n                        break;\n                    }\n                    var attrValue = this.attrs[i++];\n                    buf.push(' ', attrName, '=\"', attrValue, '\"');\n                }\n            }\n            buf.push('>');\n            processTNodeChildren(this.child, buf);\n            buf.push('</', this.tagName || this.type_, '>');\n            return buf.join('');\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(TNode.prototype, \"styleBindings_\", {\n        get: function () { return toDebugStyleBinding(this, false); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(TNode.prototype, \"classBindings_\", {\n        get: function () { return toDebugStyleBinding(this, true); },\n        enumerable: true,\n        configurable: true\n    });\n    return TNode;\n}());\nvar TNodeDebug = TNode;\nfunction toDebugStyleBinding(tNode, isClassBased) {\n    var tData = tNode.tView_.data;\n    var bindings = [];\n    var range = isClassBased ? tNode.classBindings : tNode.styleBindings;\n    var prev = getTStylingRangePrev(range);\n    var next = getTStylingRangeNext(range);\n    var isTemplate = next !== 0;\n    var cursor = isTemplate ? next : prev;\n    while (cursor !== 0) {\n        var itemKey = tData[cursor];\n        var itemRange = tData[cursor + 1];\n        bindings.unshift({\n            key: itemKey,\n            index: cursor,\n            isTemplate: isTemplate,\n            prevDuplicate: getTStylingRangePrevDuplicate(itemRange),\n            nextDuplicate: getTStylingRangeNextDuplicate(itemRange),\n            nextIndex: getTStylingRangeNext(itemRange),\n            prevIndex: getTStylingRangePrev(itemRange),\n        });\n        if (cursor === prev)\n            isTemplate = false;\n        cursor = getTStylingRangePrev(itemRange);\n    }\n    bindings.push((isClassBased ? tNode.residualClasses : tNode.residualStyles) || null);\n    return bindings;\n}\nfunction processTNodeChildren(tNode, buf) {\n    while (tNode) {\n        buf.push(tNode.template_);\n        tNode = tNode.next;\n    }\n}\nvar TViewData = NG_DEV_MODE && createNamedArrayType('TViewData') || null;\nvar TVIEWDATA_EMPTY; // can't initialize here or it will not be tree shaken, because `LView`\n// constructor could have side-effects.\n/**\n * This function clones a blueprint and creates TData.\n *\n * Simple slice will keep the same type, and we need it to be TData\n */\nfunction cloneToTViewData(list) {\n    if (TVIEWDATA_EMPTY === undefined)\n        TVIEWDATA_EMPTY = new TViewData();\n    return TVIEWDATA_EMPTY.concat(list);\n}\nvar LViewBlueprint = NG_DEV_MODE && createNamedArrayType('LViewBlueprint') || null;\nvar MatchesArray = NG_DEV_MODE && createNamedArrayType('MatchesArray') || null;\nvar TViewComponents = NG_DEV_MODE && createNamedArrayType('TViewComponents') || null;\nvar TNodeLocalNames = NG_DEV_MODE && createNamedArrayType('TNodeLocalNames') || null;\nvar TNodeInitialInputs = NG_DEV_MODE && createNamedArrayType('TNodeInitialInputs') || null;\nvar TNodeInitialData = NG_DEV_MODE && createNamedArrayType('TNodeInitialData') || null;\nvar LCleanup = NG_DEV_MODE && createNamedArrayType('LCleanup') || null;\nvar TCleanup = NG_DEV_MODE && createNamedArrayType('TCleanup') || null;\nfunction attachLViewDebug(lView) {\n    attachDebugObject(lView, new LViewDebug(lView));\n}\nfunction attachLContainerDebug(lContainer) {\n    attachDebugObject(lContainer, new LContainerDebug(lContainer));\n}\nfunction toDebug(obj) {\n    if (obj) {\n        var debug = obj.debug;\n        assertDefined(debug, 'Object does not have a debug representation.');\n        return debug;\n    }\n    else {\n        return obj;\n    }\n}\n/**\n * Use this method to unwrap a native element in `LView` and convert it into HTML for easier\n * reading.\n *\n * @param value possibly wrapped native DOM node.\n * @param includeChildren If `true` then the serialized HTML form will include child elements\n * (same\n * as `outerHTML`). If `false` then the serialized HTML form will only contain the element\n * itself\n * (will not serialize child elements).\n */\nfunction toHtml(value, includeChildren) {\n    if (includeChildren === void 0) { includeChildren = false; }\n    var node = unwrapRNode(value);\n    if (node) {\n        var isTextNode = node.nodeType === Node.TEXT_NODE;\n        var outerHTML = (isTextNode ? node.textContent : node.outerHTML) || '';\n        if (includeChildren || isTextNode) {\n            return outerHTML;\n        }\n        else {\n            var innerHTML = '>' + node.innerHTML + '<';\n            return (outerHTML.split(innerHTML)[0]) + '>';\n        }\n    }\n    else {\n        return null;\n    }\n}\nvar LViewDebug = /** @class */ (function () {\n    function LViewDebug(_raw_lView) {\n        this._raw_lView = _raw_lView;\n    }\n    Object.defineProperty(LViewDebug.prototype, \"flags\", {\n        /**\n         * Flags associated with the `LView` unpacked into a more readable state.\n         */\n        get: function () {\n            var flags = this._raw_lView[FLAGS];\n            return {\n                __raw__flags__: flags,\n                initPhaseState: flags & 3 /* InitPhaseStateMask */,\n                creationMode: !!(flags & 4 /* CreationMode */),\n                firstViewPass: !!(flags & 8 /* FirstLViewPass */),\n                checkAlways: !!(flags & 16 /* CheckAlways */),\n                dirty: !!(flags & 64 /* Dirty */),\n                attached: !!(flags & 128 /* Attached */),\n                destroyed: !!(flags & 256 /* Destroyed */),\n                isRoot: !!(flags & 512 /* IsRoot */),\n                indexWithinInitPhase: flags >> 10 /* IndexWithinInitPhaseShift */,\n            };\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"parent\", {\n        get: function () { return toDebug(this._raw_lView[PARENT]); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"host\", {\n        get: function () { return toHtml(this._raw_lView[HOST], true); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"html\", {\n        get: function () { return (this.nodes || []).map(function (node) { return toHtml(node.native, true); }).join(''); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"context\", {\n        get: function () { return this._raw_lView[CONTEXT]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"nodes\", {\n        /**\n         * The tree of nodes associated with the current `LView`. The nodes have been normalized into\n         * a\n         * tree structure with relevant details pulled out for readability.\n         */\n        get: function () {\n            var lView = this._raw_lView;\n            var tNode = lView[TVIEW].firstChild;\n            return toDebugNodes(tNode, lView);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"tView\", {\n        get: function () { return this._raw_lView[TVIEW]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"cleanup\", {\n        get: function () { return this._raw_lView[CLEANUP]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"injector\", {\n        get: function () { return this._raw_lView[INJECTOR$1]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"rendererFactory\", {\n        get: function () { return this._raw_lView[RENDERER_FACTORY]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"renderer\", {\n        get: function () { return this._raw_lView[RENDERER]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"sanitizer\", {\n        get: function () { return this._raw_lView[SANITIZER]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"childHead\", {\n        get: function () { return toDebug(this._raw_lView[CHILD_HEAD]); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"next\", {\n        get: function () { return toDebug(this._raw_lView[NEXT]); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"childTail\", {\n        get: function () { return toDebug(this._raw_lView[CHILD_TAIL]); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"declarationView\", {\n        get: function () { return toDebug(this._raw_lView[DECLARATION_VIEW]); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"queries\", {\n        get: function () { return this._raw_lView[QUERIES]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"tHost\", {\n        get: function () { return this._raw_lView[T_HOST]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LViewDebug.prototype, \"childViews\", {\n        /**\n         * Normalized view of child views (and containers) attached at this location.\n         */\n        get: function () {\n            var childViews = [];\n            var child = this.childHead;\n            while (child) {\n                childViews.push(child);\n                child = child.next;\n            }\n            return childViews;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    return LViewDebug;\n}());\n/**\n * Turns a flat list of nodes into a tree by walking the associated `TNode` tree.\n *\n * @param tNode\n * @param lView\n */\nfunction toDebugNodes(tNode, lView) {\n    if (tNode) {\n        var debugNodes = [];\n        var tNodeCursor = tNode;\n        while (tNodeCursor) {\n            debugNodes.push(buildDebugNode(tNodeCursor, lView, tNodeCursor.index));\n            tNodeCursor = tNodeCursor.next;\n        }\n        return debugNodes;\n    }\n    else {\n        return null;\n    }\n}\nfunction buildDebugNode(tNode, lView, nodeIndex) {\n    var rawValue = lView[nodeIndex];\n    var native = unwrapRNode(rawValue);\n    var componentLViewDebug = toDebug(readLViewValue(rawValue));\n    return {\n        html: toHtml(native),\n        native: native,\n        nodes: toDebugNodes(tNode.child, lView),\n        component: componentLViewDebug,\n    };\n}\nvar LContainerDebug = /** @class */ (function () {\n    function LContainerDebug(_raw_lContainer) {\n        this._raw_lContainer = _raw_lContainer;\n    }\n    Object.defineProperty(LContainerDebug.prototype, \"activeIndex\", {\n        get: function () { return getLContainerActiveIndex(this._raw_lContainer); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LContainerDebug.prototype, \"hasTransplantedViews\", {\n        get: function () {\n            return (this._raw_lContainer[ACTIVE_INDEX] & 1 /* HAS_TRANSPLANTED_VIEWS */) ===\n                1 /* HAS_TRANSPLANTED_VIEWS */;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LContainerDebug.prototype, \"views\", {\n        get: function () {\n            return this._raw_lContainer.slice(CONTAINER_HEADER_OFFSET)\n                .map(toDebug);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LContainerDebug.prototype, \"parent\", {\n        get: function () { return toDebug(this._raw_lContainer[PARENT]); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LContainerDebug.prototype, \"movedViews\", {\n        get: function () { return this._raw_lContainer[MOVED_VIEWS]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LContainerDebug.prototype, \"host\", {\n        get: function () { return this._raw_lContainer[HOST]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LContainerDebug.prototype, \"native\", {\n        get: function () { return this._raw_lContainer[NATIVE]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(LContainerDebug.prototype, \"next\", {\n        get: function () { return toDebug(this._raw_lContainer[NEXT]); },\n        enumerable: true,\n        configurable: true\n    });\n    return LContainerDebug;\n}());\n/**\n * Return an `LView` value if found.\n *\n * @param value `LView` if any\n */\nfunction readLViewValue(value) {\n    while (Array.isArray(value)) {\n        // This check is not quite right, as it does not take into account `StylingContext`\n        // This is why it is in debug, not in util.ts\n        if (value.length >= HEADER_OFFSET - 1)\n            return value;\n        value = value[HOST];\n    }\n    return null;\n}\nvar I18NDebugItem = /** @class */ (function () {\n    function I18NDebugItem(__raw_opCode, _lView, nodeIndex, type) {\n        this.__raw_opCode = __raw_opCode;\n        this._lView = _lView;\n        this.nodeIndex = nodeIndex;\n        this.type = type;\n    }\n    Object.defineProperty(I18NDebugItem.prototype, \"tNode\", {\n        get: function () { return getTNode(this._lView[TVIEW], this.nodeIndex); },\n        enumerable: true,\n        configurable: true\n    });\n    return I18NDebugItem;\n}());\n/**\n * Turns a list of \"Create\" & \"Update\" OpCodes into a human-readable list of operations for\n * debugging purposes.\n * @param mutateOpCodes mutation opCodes to read\n * @param updateOpCodes update opCodes to read\n * @param icus list of ICU expressions\n * @param lView The view the opCodes are acting on\n */\nfunction attachI18nOpCodesDebug(mutateOpCodes, updateOpCodes, icus, lView) {\n    attachDebugObject(mutateOpCodes, new I18nMutateOpCodesDebug(mutateOpCodes, lView));\n    attachDebugObject(updateOpCodes, new I18nUpdateOpCodesDebug(updateOpCodes, icus, lView));\n    if (icus) {\n        icus.forEach(function (icu) {\n            icu.create.forEach(function (icuCase) { attachDebugObject(icuCase, new I18nMutateOpCodesDebug(icuCase, lView)); });\n            icu.update.forEach(function (icuCase) {\n                attachDebugObject(icuCase, new I18nUpdateOpCodesDebug(icuCase, icus, lView));\n            });\n        });\n    }\n}\nvar I18nMutateOpCodesDebug = /** @class */ (function () {\n    function I18nMutateOpCodesDebug(__raw_opCodes, __lView) {\n        this.__raw_opCodes = __raw_opCodes;\n        this.__lView = __lView;\n    }\n    Object.defineProperty(I18nMutateOpCodesDebug.prototype, \"operations\", {\n        /**\n         * A list of operation information about how the OpCodes will act on the view.\n         */\n        get: function () {\n            var _a = this, __lView = _a.__lView, __raw_opCodes = _a.__raw_opCodes;\n            var results = [];\n            for (var i = 0; i < __raw_opCodes.length; i++) {\n                var opCode = __raw_opCodes[i];\n                var result = void 0;\n                if (typeof opCode === 'string') {\n                    result = {\n                        __raw_opCode: opCode,\n                        type: 'Create Text Node',\n                        nodeIndex: __raw_opCodes[++i],\n                        text: opCode,\n                    };\n                }\n                if (typeof opCode === 'number') {\n                    switch (opCode & 7 /* MASK_OPCODE */) {\n                        case 1 /* AppendChild */:\n                            var destinationNodeIndex = opCode >>> 17 /* SHIFT_PARENT */;\n                            result = new I18NDebugItem(opCode, __lView, destinationNodeIndex, 'AppendChild');\n                            break;\n                        case 0 /* Select */:\n                            var nodeIndex = opCode >>> 3 /* SHIFT_REF */;\n                            result = new I18NDebugItem(opCode, __lView, nodeIndex, 'Select');\n                            break;\n                        case 5 /* ElementEnd */:\n                            var elementIndex = opCode >>> 3 /* SHIFT_REF */;\n                            result = new I18NDebugItem(opCode, __lView, elementIndex, 'ElementEnd');\n                            break;\n                        case 4 /* Attr */:\n                            elementIndex = opCode >>> 3 /* SHIFT_REF */;\n                            result = new I18NDebugItem(opCode, __lView, elementIndex, 'Attr');\n                            result['attrName'] = __raw_opCodes[++i];\n                            result['attrValue'] = __raw_opCodes[++i];\n                            break;\n                    }\n                }\n                if (!result) {\n                    switch (opCode) {\n                        case COMMENT_MARKER:\n                            result = {\n                                __raw_opCode: opCode,\n                                type: 'COMMENT_MARKER',\n                                commentValue: __raw_opCodes[++i],\n                                nodeIndex: __raw_opCodes[++i],\n                            };\n                            break;\n                        case ELEMENT_MARKER:\n                            result = {\n                                __raw_opCode: opCode,\n                                type: 'ELEMENT_MARKER',\n                            };\n                            break;\n                    }\n                }\n                if (!result) {\n                    result = {\n                        __raw_opCode: opCode,\n                        type: 'Unknown Op Code',\n                        code: opCode,\n                    };\n                }\n                results.push(result);\n            }\n            return results;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    return I18nMutateOpCodesDebug;\n}());\nvar I18nUpdateOpCodesDebug = /** @class */ (function () {\n    function I18nUpdateOpCodesDebug(__raw_opCodes, icus, __lView) {\n        this.__raw_opCodes = __raw_opCodes;\n        this.icus = icus;\n        this.__lView = __lView;\n    }\n    Object.defineProperty(I18nUpdateOpCodesDebug.prototype, \"operations\", {\n        /**\n         * A list of operation information about how the OpCodes will act on the view.\n         */\n        get: function () {\n            var _a = this, __lView = _a.__lView, __raw_opCodes = _a.__raw_opCodes, icus = _a.icus;\n            var results = [];\n            for (var i = 0; i < __raw_opCodes.length; i++) {\n                // bit code to check if we should apply the next update\n                var checkBit = __raw_opCodes[i];\n                // Number of opCodes to skip until next set of update codes\n                var skipCodes = __raw_opCodes[++i];\n                var value = '';\n                for (var j = i + 1; j <= (i + skipCodes); j++) {\n                    var opCode = __raw_opCodes[j];\n                    if (typeof opCode === 'string') {\n                        value += opCode;\n                    }\n                    else if (typeof opCode == 'number') {\n                        if (opCode < 0) {\n                            // It's a binding index whose value is negative\n                            // We cannot know the value of the binding so we only show the index\n                            value += \"\\uFFFD\" + (-opCode - 1) + \"\\uFFFD\";\n                        }\n                        else {\n                            var nodeIndex = opCode >>> 2 /* SHIFT_REF */;\n                            var tIcuIndex = void 0;\n                            var tIcu = void 0;\n                            switch (opCode & 3 /* MASK_OPCODE */) {\n                                case 1 /* Attr */:\n                                    var attrName = __raw_opCodes[++j];\n                                    var sanitizeFn = __raw_opCodes[++j];\n                                    results.push({\n                                        __raw_opCode: opCode,\n                                        checkBit: checkBit,\n                                        type: 'Attr',\n                                        attrValue: value, attrName: attrName, sanitizeFn: sanitizeFn,\n                                    });\n                                    break;\n                                case 0 /* Text */:\n                                    results.push({\n                                        __raw_opCode: opCode,\n                                        checkBit: checkBit,\n                                        type: 'Text', nodeIndex: nodeIndex,\n                                        text: value,\n                                    });\n                                    break;\n                                case 2 /* IcuSwitch */:\n                                    tIcuIndex = __raw_opCodes[++j];\n                                    tIcu = icus[tIcuIndex];\n                                    var result = new I18NDebugItem(opCode, __lView, nodeIndex, 'IcuSwitch');\n                                    result['tIcuIndex'] = tIcuIndex;\n                                    result['checkBit'] = checkBit;\n                                    result['mainBinding'] = value;\n                                    result['tIcu'] = tIcu;\n                                    results.push(result);\n                                    break;\n                                case 3 /* IcuUpdate */:\n                                    tIcuIndex = __raw_opCodes[++j];\n                                    tIcu = icus[tIcuIndex];\n                                    result = new I18NDebugItem(opCode, __lView, nodeIndex, 'IcuUpdate');\n                                    result['tIcuIndex'] = tIcuIndex;\n                                    result['checkBit'] = checkBit;\n                                    result['tIcu'] = tIcu;\n                                    results.push(result);\n                                    break;\n                            }\n                        }\n                    }\n                }\n                i += skipCodes;\n            }\n            return results;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    return I18nUpdateOpCodesDebug;\n}());\n\nvar ɵ0$4 = function () { return Promise.resolve(null); };\n/**\n * A permanent marker promise which signifies that the current CD tree is\n * clean.\n */\nvar _CLEAN_PROMISE = (ɵ0$4)();\n/**\n * Process the `TView.expandoInstructions`. (Execute the `hostBindings`.)\n *\n * @param tView `TView` containing the `expandoInstructions`\n * @param lView `LView` associated with the `TView`\n */\nfunction setHostBindingsByExecutingExpandoInstructions(tView, lView) {\n    ngDevMode && assertSame(tView, lView[TVIEW], '`LView` is not associated with the `TView`!');\n    try {\n        var expandoInstructions = tView.expandoInstructions;\n        if (expandoInstructions !== null) {\n            var bindingRootIndex = tView.expandoStartIndex;\n            var currentDirectiveIndex = -1;\n            var currentElementIndex = -1;\n            // TODO(misko): PERF It is possible to get here with `TView.expandoInstructions` containing no\n            // functions to execute. This is wasteful as there is no work to be done, but we still need\n            // to iterate over the instructions.\n            // In example of this is in this test: `host_binding_spec.ts`\n            // `fit('should not cause problems if detectChanges is called when a property updates', ...`\n            // In the above test we get here with expando [0, 0, 1] which requires a lot of processing but\n            // there is no function to execute.\n            for (var i = 0; i < expandoInstructions.length; i++) {\n                var instruction = expandoInstructions[i];\n                if (typeof instruction === 'number') {\n                    if (instruction <= 0) {\n                        // Negative numbers mean that we are starting new EXPANDO block and need to update\n                        // the current element and directive index.\n                        // Important: In JS `-x` and `0-x` is not the same! If `x===0` then `-x` will produce\n                        // `-0` which requires non standard math arithmetic and it can prevent VM optimizations.\n                        // `0-0` will always produce `0` and will not cause a potential deoptimization in VM.\n                        // TODO(misko): PERF This should be refactored to use `~instruction` as that does not\n                        // suffer from `-0` and it is faster/more compact.\n                        currentElementIndex = 0 - instruction;\n                        setSelectedIndex(currentElementIndex);\n                        // Injector block and providers are taken into account.\n                        var providerCount = expandoInstructions[++i];\n                        bindingRootIndex += INJECTOR_BLOOM_PARENT_SIZE + providerCount;\n                        currentDirectiveIndex = bindingRootIndex;\n                    }\n                    else {\n                        // This is either the injector size (so the binding root can skip over directives\n                        // and get to the first set of host bindings on this node) or the host var count\n                        // (to get to the next set of host bindings on this node).\n                        bindingRootIndex += instruction;\n                    }\n                }\n                else {\n                    // If it's not a number, it's a host binding function that needs to be executed.\n                    if (instruction !== null) {\n                        setBindingRootForHostBindings(bindingRootIndex, currentDirectiveIndex);\n                        var hostCtx = lView[currentDirectiveIndex];\n                        instruction(2 /* Update */, hostCtx);\n                    }\n                    // TODO(misko): PERF Relying on incrementing the `currentDirectiveIndex` here is\n                    // sub-optimal. The implications are that if we have a lot of directives but none of them\n                    // have host bindings we nevertheless need to iterate over the expando instructions to\n                    // update the counter. It would be much better if we could encode the\n                    // `currentDirectiveIndex` into the `expandoInstruction` array so that we only need to\n                    // iterate over those directives which actually have `hostBindings`.\n                    currentDirectiveIndex++;\n                }\n            }\n        }\n    }\n    finally {\n        setSelectedIndex(-1);\n    }\n}\n/** Refreshes all content queries declared by directives in a given view */\nfunction refreshContentQueries(tView, lView) {\n    var contentQueries = tView.contentQueries;\n    if (contentQueries !== null) {\n        for (var i = 0; i < contentQueries.length; i += 2) {\n            var queryStartIdx = contentQueries[i];\n            var directiveDefIdx = contentQueries[i + 1];\n            if (directiveDefIdx !== -1) {\n                var directiveDef = tView.data[directiveDefIdx];\n                ngDevMode &&\n                    assertDefined(directiveDef.contentQueries, 'contentQueries function should be defined');\n                setCurrentQueryIndex(queryStartIdx);\n                directiveDef.contentQueries(2 /* Update */, lView[directiveDefIdx], directiveDefIdx);\n            }\n        }\n    }\n}\n/** Refreshes child components in the current view (update mode). */\nfunction refreshChildComponents(hostLView, components) {\n    for (var i = 0; i < components.length; i++) {\n        refreshComponent(hostLView, components[i]);\n    }\n}\n/** Renders child components in the current view (creation mode). */\nfunction renderChildComponents(hostLView, components) {\n    for (var i = 0; i < components.length; i++) {\n        renderComponent(hostLView, components[i]);\n    }\n}\n/**\n * Creates a native element from a tag name, using a renderer.\n * @param name the tag name\n * @param renderer A renderer to use\n * @returns the element created\n */\nfunction elementCreate(name, renderer, namespace) {\n    if (isProceduralRenderer(renderer)) {\n        return renderer.createElement(name, namespace);\n    }\n    else {\n        return namespace === null ? renderer.createElement(name) :\n            renderer.createElementNS(namespace, name);\n    }\n}\nfunction createLView(parentLView, tView, context, flags, host, tHostNode, rendererFactory, renderer, sanitizer, injector) {\n    var lView = ngDevMode ? cloneToLViewFromTViewBlueprint(tView) : tView.blueprint.slice();\n    lView[HOST] = host;\n    lView[FLAGS] = flags | 4 /* CreationMode */ | 128 /* Attached */ | 8 /* FirstLViewPass */;\n    resetPreOrderHookFlags(lView);\n    lView[PARENT] = lView[DECLARATION_VIEW] = parentLView;\n    lView[CONTEXT] = context;\n    lView[RENDERER_FACTORY] = (rendererFactory || parentLView && parentLView[RENDERER_FACTORY]);\n    ngDevMode && assertDefined(lView[RENDERER_FACTORY], 'RendererFactory is required');\n    lView[RENDERER] = (renderer || parentLView && parentLView[RENDERER]);\n    ngDevMode && assertDefined(lView[RENDERER], 'Renderer is required');\n    lView[SANITIZER] = sanitizer || parentLView && parentLView[SANITIZER] || null;\n    lView[INJECTOR$1] = injector || parentLView && parentLView[INJECTOR$1] || null;\n    lView[T_HOST] = tHostNode;\n    ngDevMode && assertEqual(tView.type == 2 /* Embedded */ ? parentLView !== null : true, true, 'Embedded views must have parentLView');\n    lView[DECLARATION_COMPONENT_VIEW] =\n        tView.type == 2 /* Embedded */ ? parentLView[DECLARATION_COMPONENT_VIEW] : lView;\n    ngDevMode && attachLViewDebug(lView);\n    return lView;\n}\nfunction getOrCreateTNode(tView, tHostNode, index, type, name, attrs) {\n    // Keep this function short, so that the VM will inline it.\n    var adjustedIndex = index + HEADER_OFFSET;\n    var tNode = tView.data[adjustedIndex] ||\n        createTNodeAtIndex(tView, tHostNode, adjustedIndex, type, name, attrs);\n    setPreviousOrParentTNode(tNode, true);\n    return tNode;\n}\nfunction createTNodeAtIndex(tView, tHostNode, adjustedIndex, type, name, attrs) {\n    var previousOrParentTNode = getPreviousOrParentTNode();\n    var isParent = getIsParent();\n    var parent = isParent ? previousOrParentTNode : previousOrParentTNode && previousOrParentTNode.parent;\n    // Parents cannot cross component boundaries because components will be used in multiple places,\n    // so it's only set if the view is the same.\n    var parentInSameView = parent && parent !== tHostNode;\n    var tParentNode = parentInSameView ? parent : null;\n    var tNode = tView.data[adjustedIndex] =\n        createTNode(tView, tParentNode, type, adjustedIndex, name, attrs);\n    // Assign a pointer to the first child node of a given view. The first node is not always the one\n    // at index 0, in case of i18n, index 0 can be the instruction `i18nStart` and the first node has\n    // the index 1 or more, so we can't just check node index.\n    if (tView.firstChild === null) {\n        tView.firstChild = tNode;\n    }\n    if (previousOrParentTNode) {\n        if (isParent && previousOrParentTNode.child == null &&\n            (tNode.parent !== null || previousOrParentTNode.type === 2 /* View */)) {\n            // We are in the same view, which means we are adding content node to the parent view.\n            previousOrParentTNode.child = tNode;\n        }\n        else if (!isParent) {\n            previousOrParentTNode.next = tNode;\n        }\n    }\n    return tNode;\n}\nfunction assignTViewNodeToLView(tView, tParentNode, index, lView) {\n    // View nodes are not stored in data because they can be added / removed at runtime (which\n    // would cause indices to change). Their TNodes are instead stored in tView.node.\n    var tNode = tView.node;\n    if (tNode == null) {\n        ngDevMode && tParentNode &&\n            assertNodeOfPossibleTypes(tParentNode, 3 /* Element */, 0 /* Container */);\n        tView.node = tNode = createTNode(tView, tParentNode, //\n        2 /* View */, index, null, null);\n    }\n    return lView[T_HOST] = tNode;\n}\n/**\n * When elements are created dynamically after a view blueprint is created (e.g. through\n * i18nApply() or ComponentFactory.create), we need to adjust the blueprint for future\n * template passes.\n *\n * @param tView `TView` associated with `LView`\n * @param view The `LView` containing the blueprint to adjust\n * @param numSlotsToAlloc The number of slots to alloc in the LView, should be >0\n */\nfunction allocExpando(tView, lView, numSlotsToAlloc) {\n    ngDevMode && assertGreaterThan(numSlotsToAlloc, 0, 'The number of slots to alloc should be greater than 0');\n    if (numSlotsToAlloc > 0) {\n        if (tView.firstCreatePass) {\n            for (var i = 0; i < numSlotsToAlloc; i++) {\n                tView.blueprint.push(null);\n                tView.data.push(null);\n                lView.push(null);\n            }\n            // We should only increment the expando start index if there aren't already directives\n            // and injectors saved in the \"expando\" section\n            if (!tView.expandoInstructions) {\n                tView.expandoStartIndex += numSlotsToAlloc;\n            }\n            else {\n                // Since we're adding the dynamic nodes into the expando section, we need to let the host\n                // bindings know that they should skip x slots\n                tView.expandoInstructions.push(numSlotsToAlloc);\n            }\n        }\n    }\n}\n//////////////////////////\n//// Render\n//////////////////////////\n/**\n * Processes a view in the creation mode. This includes a number of steps in a specific order:\n * - creating view query functions (if any);\n * - executing a template function in the creation mode;\n * - updating static queries (if any);\n * - creating child components defined in a given view.\n */\nfunction renderView(tView, lView, context) {\n    ngDevMode && assertEqual(isCreationMode(lView), true, 'Should be run in creation mode');\n    enterView(lView, lView[T_HOST]);\n    try {\n        var viewQuery = tView.viewQuery;\n        if (viewQuery !== null) {\n            executeViewQueryFn(1 /* Create */, viewQuery, context);\n        }\n        // Execute a template associated with this view, if it exists. A template function might not be\n        // defined for the root component views.\n        var templateFn = tView.template;\n        if (templateFn !== null) {\n            executeTemplate(tView, lView, templateFn, 1 /* Create */, context);\n        }\n        // This needs to be set before children are processed to support recursive components.\n        // This must be set to false immediately after the first creation run because in an\n        // ngFor loop, all the views will be created together before update mode runs and turns\n        // off firstCreatePass. If we don't set it here, instances will perform directive\n        // matching, etc again and again.\n        if (tView.firstCreatePass) {\n            tView.firstCreatePass = false;\n        }\n        // We resolve content queries specifically marked as `static` in creation mode. Dynamic\n        // content queries are resolved during change detection (i.e. update mode), after embedded\n        // views are refreshed (see block above).\n        if (tView.staticContentQueries) {\n            refreshContentQueries(tView, lView);\n        }\n        // We must materialize query results before child components are processed\n        // in case a child component has projected a container. The LContainer needs\n        // to exist so the embedded views are properly attached by the container.\n        if (tView.staticViewQueries) {\n            executeViewQueryFn(2 /* Update */, tView.viewQuery, context);\n        }\n        // Render child component views.\n        var components = tView.components;\n        if (components !== null) {\n            renderChildComponents(lView, components);\n        }\n    }\n    finally {\n        lView[FLAGS] &= ~4 /* CreationMode */;\n        leaveView();\n    }\n}\n/**\n * Processes a view in update mode. This includes a number of steps in a specific order:\n * - executing a template function in update mode;\n * - executing hooks;\n * - refreshing queries;\n * - setting host bindings;\n * - refreshing child (embedded and component) views.\n */\nfunction refreshView(tView, lView, templateFn, context) {\n    ngDevMode && assertEqual(isCreationMode(lView), false, 'Should be run in update mode');\n    var flags = lView[FLAGS];\n    if ((flags & 256 /* Destroyed */) === 256 /* Destroyed */)\n        return;\n    enterView(lView, lView[T_HOST]);\n    var checkNoChangesMode = getCheckNoChangesMode();\n    try {\n        resetPreOrderHookFlags(lView);\n        setBindingIndex(tView.bindingStartIndex);\n        if (templateFn !== null) {\n            executeTemplate(tView, lView, templateFn, 2 /* Update */, context);\n        }\n        var hooksInitPhaseCompleted = (flags & 3 /* InitPhaseStateMask */) === 3 /* InitPhaseCompleted */;\n        // execute pre-order hooks (OnInit, OnChanges, DoCheck)\n        // PERF WARNING: do NOT extract this to a separate function without running benchmarks\n        if (!checkNoChangesMode) {\n            if (hooksInitPhaseCompleted) {\n                var preOrderCheckHooks = tView.preOrderCheckHooks;\n                if (preOrderCheckHooks !== null) {\n                    executeCheckHooks(lView, preOrderCheckHooks, null);\n                }\n            }\n            else {\n                var preOrderHooks = tView.preOrderHooks;\n                if (preOrderHooks !== null) {\n                    executeInitAndCheckHooks(lView, preOrderHooks, 0 /* OnInitHooksToBeRun */, null);\n                }\n                incrementInitPhaseFlags(lView, 0 /* OnInitHooksToBeRun */);\n            }\n        }\n        refreshDynamicEmbeddedViews(lView);\n        // Content query results must be refreshed before content hooks are called.\n        if (tView.contentQueries !== null) {\n            refreshContentQueries(tView, lView);\n        }\n        // execute content hooks (AfterContentInit, AfterContentChecked)\n        // PERF WARNING: do NOT extract this to a separate function without running benchmarks\n        if (!checkNoChangesMode) {\n            if (hooksInitPhaseCompleted) {\n                var contentCheckHooks = tView.contentCheckHooks;\n                if (contentCheckHooks !== null) {\n                    executeCheckHooks(lView, contentCheckHooks);\n                }\n            }\n            else {\n                var contentHooks = tView.contentHooks;\n                if (contentHooks !== null) {\n                    executeInitAndCheckHooks(lView, contentHooks, 1 /* AfterContentInitHooksToBeRun */);\n                }\n                incrementInitPhaseFlags(lView, 1 /* AfterContentInitHooksToBeRun */);\n            }\n        }\n        setHostBindingsByExecutingExpandoInstructions(tView, lView);\n        // Refresh child component views.\n        var components = tView.components;\n        if (components !== null) {\n            refreshChildComponents(lView, components);\n        }\n        // View queries must execute after refreshing child components because a template in this view\n        // could be inserted in a child component. If the view query executes before child component\n        // refresh, the template might not yet be inserted.\n        var viewQuery = tView.viewQuery;\n        if (viewQuery !== null) {\n            executeViewQueryFn(2 /* Update */, viewQuery, context);\n        }\n        // execute view hooks (AfterViewInit, AfterViewChecked)\n        // PERF WARNING: do NOT extract this to a separate function without running benchmarks\n        if (!checkNoChangesMode) {\n            if (hooksInitPhaseCompleted) {\n                var viewCheckHooks = tView.viewCheckHooks;\n                if (viewCheckHooks !== null) {\n                    executeCheckHooks(lView, viewCheckHooks);\n                }\n            }\n            else {\n                var viewHooks = tView.viewHooks;\n                if (viewHooks !== null) {\n                    executeInitAndCheckHooks(lView, viewHooks, 2 /* AfterViewInitHooksToBeRun */);\n                }\n                incrementInitPhaseFlags(lView, 2 /* AfterViewInitHooksToBeRun */);\n            }\n        }\n        if (tView.firstUpdatePass === true) {\n            // We need to make sure that we only flip the flag on successful `refreshView` only\n            // Don't do this in `finally` block.\n            // If we did this in `finally` block then an exception could block the execution of styling\n            // instructions which in turn would be unable to insert themselves into the styling linked\n            // list. The result of this would be that if the exception would not be throw on subsequent CD\n            // the styling would be unable to process it data and reflect to the DOM.\n            tView.firstUpdatePass = false;\n        }\n        // Do not reset the dirty state when running in check no changes mode. We don't want components\n        // to behave differently depending on whether check no changes is enabled or not. For example:\n        // Marking an OnPush component as dirty from within the `ngAfterViewInit` hook in order to\n        // refresh a `NgClass` binding should work. If we would reset the dirty state in the check\n        // no changes cycle, the component would be not be dirty for the next update pass. This would\n        // be different in production mode where the component dirty state is not reset.\n        if (!checkNoChangesMode) {\n            lView[FLAGS] &= ~(64 /* Dirty */ | 8 /* FirstLViewPass */);\n        }\n    }\n    finally {\n        leaveView();\n    }\n}\nfunction renderComponentOrTemplate(tView, lView, templateFn, context) {\n    var rendererFactory = lView[RENDERER_FACTORY];\n    var normalExecutionPath = !getCheckNoChangesMode();\n    var creationModeIsActive = isCreationMode(lView);\n    try {\n        if (normalExecutionPath && !creationModeIsActive && rendererFactory.begin) {\n            rendererFactory.begin();\n        }\n        if (creationModeIsActive) {\n            renderView(tView, lView, context);\n        }\n        refreshView(tView, lView, templateFn, context);\n    }\n    finally {\n        if (normalExecutionPath && !creationModeIsActive && rendererFactory.end) {\n            rendererFactory.end();\n        }\n    }\n}\nfunction executeTemplate(tView, lView, templateFn, rf, context) {\n    var prevSelectedIndex = getSelectedIndex();\n    try {\n        setSelectedIndex(-1);\n        if (rf & 2 /* Update */ && lView.length > HEADER_OFFSET) {\n            // When we're updating, inherently select 0 so we don't\n            // have to generate that instruction for most update blocks.\n            selectIndexInternal(tView, lView, 0, getCheckNoChangesMode());\n        }\n        templateFn(rf, context);\n    }\n    finally {\n        setSelectedIndex(prevSelectedIndex);\n    }\n}\n//////////////////////////\n//// Element\n//////////////////////////\nfunction executeContentQueries(tView, tNode, lView) {\n    if (isContentQueryHost(tNode)) {\n        var start = tNode.directiveStart;\n        var end = tNode.directiveEnd;\n        for (var directiveIndex = start; directiveIndex < end; directiveIndex++) {\n            var def = tView.data[directiveIndex];\n            if (def.contentQueries) {\n                def.contentQueries(1 /* Create */, lView[directiveIndex], directiveIndex);\n            }\n        }\n    }\n}\n/**\n * Creates directive instances.\n */\nfunction createDirectivesInstances(tView, lView, tNode) {\n    if (!getBindingsEnabled())\n        return;\n    instantiateAllDirectives(tView, lView, tNode, getNativeByTNode(tNode, lView));\n    if ((tNode.flags & 128 /* hasHostBindings */) === 128 /* hasHostBindings */) {\n        invokeDirectivesHostBindings(tView, lView, tNode);\n    }\n}\n/**\n * Takes a list of local names and indices and pushes the resolved local variable values\n * to LView in the same order as they are loaded in the template with load().\n */\nfunction saveResolvedLocalsInData(viewData, tNode, localRefExtractor) {\n    if (localRefExtractor === void 0) { localRefExtractor = getNativeByTNode; }\n    var localNames = tNode.localNames;\n    if (localNames !== null) {\n        var localIndex = tNode.index + 1;\n        for (var i = 0; i < localNames.length; i += 2) {\n            var index = localNames[i + 1];\n            var value = index === -1 ?\n                localRefExtractor(tNode, viewData) :\n                viewData[index];\n            viewData[localIndex++] = value;\n        }\n    }\n}\n/**\n * Gets TView from a template function or creates a new TView\n * if it doesn't already exist.\n *\n * @param def ComponentDef\n * @returns TView\n */\nfunction getOrCreateTComponentView(def) {\n    return def.tView ||\n        (def.tView = createTView(1 /* Component */, -1, def.template, def.decls, def.vars, def.directiveDefs, def.pipeDefs, def.viewQuery, def.schemas, def.consts));\n}\n/**\n * Creates a TView instance\n *\n * @param viewIndex The viewBlockId for inline views, or -1 if it's a component/dynamic\n * @param templateFn Template function\n * @param decls The number of nodes, local refs, and pipes in this template\n * @param directives Registry of directives for this view\n * @param pipes Registry of pipes for this view\n * @param viewQuery View queries for this view\n * @param schemas Schemas for this view\n * @param consts Constants for this view\n */\nfunction createTView(type, viewIndex, templateFn, decls, vars, directives, pipes, viewQuery, schemas, consts) {\n    ngDevMode && ngDevMode.tView++;\n    var bindingStartIndex = HEADER_OFFSET + decls;\n    // This length does not yet contain host bindings from child directives because at this point,\n    // we don't know which directives are active on this template. As soon as a directive is matched\n    // that has a host binding, we will update the blueprint with that def's hostVars count.\n    var initialViewLength = bindingStartIndex + vars;\n    var blueprint = createViewBlueprint(bindingStartIndex, initialViewLength);\n    return blueprint[TVIEW] = ngDevMode ?\n        new TViewConstructor(type, viewIndex, // id: number,\n        blueprint, // blueprint: LView,\n        templateFn, // template: ComponentTemplate<{}>|null,\n        null, // queries: TQueries|null\n        viewQuery, // viewQuery: ViewQueriesFunction<{}>|null,\n        null, // node: TViewNode|TElementNode|null,\n        cloneToTViewData(blueprint).fill(null, bindingStartIndex), // data: TData,\n        bindingStartIndex, // bindingStartIndex: number,\n        initialViewLength, // expandoStartIndex: number,\n        null, // expandoInstructions: ExpandoInstructions|null,\n        true, // firstCreatePass: boolean,\n        true, // firstUpdatePass: boolean,\n        false, // staticViewQueries: boolean,\n        false, // staticContentQueries: boolean,\n        null, // preOrderHooks: HookData|null,\n        null, // preOrderCheckHooks: HookData|null,\n        null, // contentHooks: HookData|null,\n        null, // contentCheckHooks: HookData|null,\n        null, // viewHooks: HookData|null,\n        null, // viewCheckHooks: HookData|null,\n        null, // destroyHooks: HookData|null,\n        null, // cleanup: any[]|null,\n        null, // contentQueries: number[]|null,\n        null, // components: number[]|null,\n        typeof directives === 'function' ?\n            directives() :\n            directives, // directiveRegistry: DirectiveDefList|null,\n        typeof pipes === 'function' ? pipes() : pipes, // pipeRegistry: PipeDefList|null,\n        null, // firstChild: TNode|null,\n        schemas, // schemas: SchemaMetadata[]|null,\n        consts) : // consts: TConstants|null\n        {\n            type: type,\n            id: viewIndex,\n            blueprint: blueprint,\n            template: templateFn,\n            queries: null,\n            viewQuery: viewQuery,\n            node: null,\n            data: blueprint.slice().fill(null, bindingStartIndex),\n            bindingStartIndex: bindingStartIndex,\n            expandoStartIndex: initialViewLength,\n            expandoInstructions: null,\n            firstCreatePass: true,\n            firstUpdatePass: true,\n            staticViewQueries: false,\n            staticContentQueries: false,\n            preOrderHooks: null,\n            preOrderCheckHooks: null,\n            contentHooks: null,\n            contentCheckHooks: null,\n            viewHooks: null,\n            viewCheckHooks: null,\n            destroyHooks: null,\n            cleanup: null,\n            contentQueries: null,\n            components: null,\n            directiveRegistry: typeof directives === 'function' ? directives() : directives,\n            pipeRegistry: typeof pipes === 'function' ? pipes() : pipes,\n            firstChild: null,\n            schemas: schemas,\n            consts: consts,\n        };\n}\nfunction createViewBlueprint(bindingStartIndex, initialViewLength) {\n    var blueprint = ngDevMode ? new LViewBlueprint() : [];\n    for (var i = 0; i < initialViewLength; i++) {\n        blueprint.push(i < bindingStartIndex ? null : NO_CHANGE);\n    }\n    return blueprint;\n}\nfunction createError(text, token) {\n    return new Error(\"Renderer: \" + text + \" [\" + stringifyForError(token) + \"]\");\n}\nfunction assertHostNodeExists(rElement, elementOrSelector) {\n    if (!rElement) {\n        if (typeof elementOrSelector === 'string') {\n            throw createError('Host node with selector not found:', elementOrSelector);\n        }\n        else {\n            throw createError('Host node is required:', elementOrSelector);\n        }\n    }\n}\n/**\n * Locates the host native element, used for bootstrapping existing nodes into rendering pipeline.\n *\n * @param rendererFactory Factory function to create renderer instance.\n * @param elementOrSelector Render element or CSS selector to locate the element.\n * @param encapsulation View Encapsulation defined for component that requests host element.\n */\nfunction locateHostElement(renderer, elementOrSelector, encapsulation) {\n    if (isProceduralRenderer(renderer)) {\n        // When using native Shadow DOM, do not clear host element to allow native slot projection\n        var preserveContent = encapsulation === ViewEncapsulation$1.ShadowDom;\n        return renderer.selectRootElement(elementOrSelector, preserveContent);\n    }\n    var rElement = typeof elementOrSelector === 'string' ?\n        renderer.querySelector(elementOrSelector) :\n        elementOrSelector;\n    ngDevMode && assertHostNodeExists(rElement, elementOrSelector);\n    // Always clear host element's content when Renderer3 is in use. For procedural renderer case we\n    // make it depend on whether ShadowDom encapsulation is used (in which case the content should be\n    // preserved to allow native slot projection). ShadowDom encapsulation requires procedural\n    // renderer, and procedural renderer case is handled above.\n    rElement.textContent = '';\n    return rElement;\n}\n/**\n * Saves context for this cleanup function in LView.cleanupInstances.\n *\n * On the first template pass, saves in TView:\n * - Cleanup function\n * - Index of context we just saved in LView.cleanupInstances\n */\nfunction storeCleanupWithContext(tView, lView, context, cleanupFn) {\n    var lCleanup = getLCleanup(lView);\n    lCleanup.push(context);\n    if (tView.firstCreatePass) {\n        getTViewCleanup(tView).push(cleanupFn, lCleanup.length - 1);\n    }\n}\n/**\n * Saves the cleanup function itself in LView.cleanupInstances.\n *\n * This is necessary for functions that are wrapped with their contexts, like in renderer2\n * listeners.\n *\n * On the first template pass, the index of the cleanup function is saved in TView.\n */\nfunction storeCleanupFn(tView, lView, cleanupFn) {\n    getLCleanup(lView).push(cleanupFn);\n    if (tView.firstCreatePass) {\n        getTViewCleanup(tView).push(lView[CLEANUP].length - 1, null);\n    }\n}\n/**\n * Constructs a TNode object from the arguments.\n *\n * @param tView `TView` to which this `TNode` belongs (used only in `ngDevMode`)\n * @param type The type of the node\n * @param adjustedIndex The index of the TNode in TView.data, adjusted for HEADER_OFFSET\n * @param tagName The tag name of the node\n * @param attrs The attributes defined on this node\n * @param tViews Any TViews attached to this node\n * @returns the TNode object\n */\nfunction createTNode(tView, tParent, type, adjustedIndex, tagName, attrs) {\n    ngDevMode && ngDevMode.tNode++;\n    var injectorIndex = tParent ? tParent.injectorIndex : -1;\n    return ngDevMode ? new TNodeDebug(tView, // tView_: TView\n    type, // type: TNodeType\n    adjustedIndex, // index: number\n    injectorIndex, // injectorIndex: number\n    -1, // directiveStart: number\n    -1, // directiveEnd: number\n    -1, // directiveStylingLast: number\n    null, // propertyBindings: number[]|null\n    0, // flags: TNodeFlags\n    0, // providerIndexes: TNodeProviderIndexes\n    tagName, // tagName: string|null\n    attrs, // attrs: (string|AttributeMarker|(string|SelectorFlags)[])[]|null\n    null, // mergedAttrs\n    null, // localNames: (string|number)[]|null\n    undefined, // initialInputs: (string[]|null)[]|null|undefined\n    null, // inputs: PropertyAliases|null\n    null, // outputs: PropertyAliases|null\n    null, // tViews: ITView|ITView[]|null\n    null, // next: ITNode|null\n    null, // projectionNext: ITNode|null\n    null, // child: ITNode|null\n    tParent, // parent: TElementNode|TContainerNode|null\n    null, // projection: number|(ITNode|RNode[])[]|null\n    null, // styles: string|null\n    undefined, // residualStyles: string|null\n    null, // classes: string|null\n    undefined, // residualClasses: string|null\n    0, // classBindings: TStylingRange;\n    0) :\n        {\n            type: type,\n            index: adjustedIndex,\n            injectorIndex: injectorIndex,\n            directiveStart: -1,\n            directiveEnd: -1,\n            directiveStylingLast: -1,\n            propertyBindings: null,\n            flags: 0,\n            providerIndexes: 0,\n            tagName: tagName,\n            attrs: attrs,\n            mergedAttrs: null,\n            localNames: null,\n            initialInputs: undefined,\n            inputs: null,\n            outputs: null,\n            tViews: null,\n            next: null,\n            projectionNext: null,\n            child: null,\n            parent: tParent,\n            projection: null,\n            styles: null,\n            residualStyles: undefined,\n            classes: null,\n            residualClasses: undefined,\n            classBindings: 0,\n            styleBindings: 0,\n        };\n}\nfunction generatePropertyAliases(inputAliasMap, directiveDefIdx, propStore) {\n    for (var publicName in inputAliasMap) {\n        if (inputAliasMap.hasOwnProperty(publicName)) {\n            propStore = propStore === null ? {} : propStore;\n            var internalName = inputAliasMap[publicName];\n            if (propStore.hasOwnProperty(publicName)) {\n                propStore[publicName].push(directiveDefIdx, internalName);\n            }\n            else {\n                (propStore[publicName] = [directiveDefIdx, internalName]);\n            }\n        }\n    }\n    return propStore;\n}\n/**\n * Initializes data structures required to work with directive outputs and outputs.\n * Initialization is done for all directives matched on a given TNode.\n */\nfunction initializeInputAndOutputAliases(tView, tNode) {\n    ngDevMode && assertFirstCreatePass(tView);\n    var start = tNode.directiveStart;\n    var end = tNode.directiveEnd;\n    var defs = tView.data;\n    var tNodeAttrs = tNode.attrs;\n    var inputsFromAttrs = ngDevMode ? new TNodeInitialInputs() : [];\n    var inputsStore = null;\n    var outputsStore = null;\n    for (var i = start; i < end; i++) {\n        var directiveDef = defs[i];\n        var directiveInputs = directiveDef.inputs;\n        inputsFromAttrs.push(tNodeAttrs !== null ? generateInitialInputs(directiveInputs, tNodeAttrs) : null);\n        inputsStore = generatePropertyAliases(directiveInputs, i, inputsStore);\n        outputsStore = generatePropertyAliases(directiveDef.outputs, i, outputsStore);\n    }\n    if (inputsStore !== null) {\n        if (inputsStore.hasOwnProperty('class') || inputsStore.hasOwnProperty('className')) {\n            tNode.flags |= 16 /* hasClassInput */;\n        }\n        if (inputsStore.hasOwnProperty('style')) {\n            tNode.flags |= 32 /* hasStyleInput */;\n        }\n    }\n    tNode.initialInputs = inputsFromAttrs;\n    tNode.inputs = inputsStore;\n    tNode.outputs = outputsStore;\n}\n/**\n * Mapping between attributes names that don't correspond to their element property names.\n *\n * Performance note: this function is written as a series of if checks (instead of, say, a property\n * object lookup) for performance reasons - the series of `if` checks seems to be the fastest way of\n * mapping property names. Do NOT change without benchmarking.\n *\n * Note: this mapping has to be kept in sync with the equally named mapping in the template\n * type-checking machinery of ngtsc.\n */\nfunction mapPropName(name) {\n    if (name === 'class')\n        return 'className';\n    if (name === 'for')\n        return 'htmlFor';\n    if (name === 'formaction')\n        return 'formAction';\n    if (name === 'innerHtml')\n        return 'innerHTML';\n    if (name === 'readonly')\n        return 'readOnly';\n    if (name === 'tabindex')\n        return 'tabIndex';\n    return name;\n}\nfunction elementPropertyInternal(tView, lView, index, propName, value, sanitizer, nativeOnly, loadRendererFn) {\n    ngDevMode && assertNotSame(value, NO_CHANGE, 'Incoming value should never be NO_CHANGE.');\n    var element = getNativeByIndex(index, lView);\n    var tNode = getTNode(tView, index);\n    var inputData = tNode.inputs;\n    var dataValue;\n    if (!nativeOnly && inputData != null && (dataValue = inputData[propName])) {\n        setInputsForProperty(tView, lView, dataValue, propName, value);\n        if (isComponentHost(tNode))\n            markDirtyIfOnPush(lView, index + HEADER_OFFSET);\n        if (ngDevMode) {\n            setNgReflectProperties(lView, element, tNode.type, dataValue, value);\n        }\n    }\n    else if (tNode.type === 3 /* Element */) {\n        propName = mapPropName(propName);\n        if (ngDevMode) {\n            validateAgainstEventProperties(propName);\n            if (!validateProperty(tView, lView, element, propName, tNode)) {\n                // Return here since we only log warnings for unknown properties.\n                warnAboutUnknownProperty(propName, tNode);\n                return;\n            }\n            ngDevMode.rendererSetProperty++;\n        }\n        var renderer = loadRendererFn ? loadRendererFn(tNode, lView) : lView[RENDERER];\n        // It is assumed that the sanitizer is only added when the compiler determines that the\n        // property is risky, so sanitization can be done without further checks.\n        value = sanitizer != null ? sanitizer(value, tNode.tagName || '', propName) : value;\n        if (isProceduralRenderer(renderer)) {\n            renderer.setProperty(element, propName, value);\n        }\n        else if (!isAnimationProp(propName)) {\n            element.setProperty ? element.setProperty(propName, value) :\n                element[propName] = value;\n        }\n    }\n    else if (tNode.type === 0 /* Container */) {\n        // If the node is a container and the property didn't\n        // match any of the inputs or schemas we should throw.\n        if (ngDevMode && !matchingSchemas(tView, lView, tNode.tagName)) {\n            warnAboutUnknownProperty(propName, tNode);\n        }\n    }\n}\n/** If node is an OnPush component, marks its LView dirty. */\nfunction markDirtyIfOnPush(lView, viewIndex) {\n    ngDevMode && assertLView(lView);\n    var childComponentLView = getComponentLViewByIndex(viewIndex, lView);\n    if (!(childComponentLView[FLAGS] & 16 /* CheckAlways */)) {\n        childComponentLView[FLAGS] |= 64 /* Dirty */;\n    }\n}\nfunction setNgReflectProperty(lView, element, type, attrName, value) {\n    var _a;\n    var renderer = lView[RENDERER];\n    attrName = normalizeDebugBindingName(attrName);\n    var debugValue = normalizeDebugBindingValue(value);\n    if (type === 3 /* Element */) {\n        if (value == null) {\n            isProceduralRenderer(renderer) ? renderer.removeAttribute(element, attrName) :\n                element.removeAttribute(attrName);\n        }\n        else {\n            isProceduralRenderer(renderer) ?\n                renderer.setAttribute(element, attrName, debugValue) :\n                element.setAttribute(attrName, debugValue);\n        }\n    }\n    else {\n        var textContent = \"bindings=\" + JSON.stringify((_a = {}, _a[attrName] = debugValue, _a), null, 2);\n        if (isProceduralRenderer(renderer)) {\n            renderer.setValue(element, textContent);\n        }\n        else {\n            element.textContent = textContent;\n        }\n    }\n}\nfunction setNgReflectProperties(lView, element, type, dataValue, value) {\n    if (type === 3 /* Element */ || type === 0 /* Container */) {\n        /**\n         * dataValue is an array containing runtime input or output names for the directives:\n         * i+0: directive instance index\n         * i+1: privateName\n         *\n         * e.g. [0, 'change', 'change-minified']\n         * we want to set the reflected property with the privateName: dataValue[i+1]\n         */\n        for (var i = 0; i < dataValue.length; i += 2) {\n            setNgReflectProperty(lView, element, type, dataValue[i + 1], value);\n        }\n    }\n}\nfunction validateProperty(tView, lView, element, propName, tNode) {\n    // The property is considered valid if the element matches the schema, it exists on the element\n    // or it is synthetic, and we are in a browser context (web worker nodes should be skipped).\n    if (matchingSchemas(tView, lView, tNode.tagName) || propName in element ||\n        isAnimationProp(propName)) {\n        return true;\n    }\n    // Note: `typeof Node` returns 'function' in most browsers, but on IE it is 'object' so we\n    // need to account for both here, while being careful for `typeof null` also returning 'object'.\n    return typeof Node === 'undefined' || Node === null || !(element instanceof Node);\n}\nfunction matchingSchemas(tView, lView, tagName) {\n    var schemas = tView.schemas;\n    if (schemas !== null) {\n        for (var i = 0; i < schemas.length; i++) {\n            var schema = schemas[i];\n            if (schema === NO_ERRORS_SCHEMA ||\n                schema === CUSTOM_ELEMENTS_SCHEMA && tagName && tagName.indexOf('-') > -1) {\n                return true;\n            }\n        }\n    }\n    return false;\n}\n/**\n * Logs a warning that a property is not supported on an element.\n * @param propName Name of the invalid property.\n * @param tNode Node on which we encountered the property.\n */\nfunction warnAboutUnknownProperty(propName, tNode) {\n    console.warn(\"Can't bind to '\" + propName + \"' since it isn't a known property of '\" + tNode.tagName + \"'.\");\n}\n/**\n * Instantiate a root component.\n */\nfunction instantiateRootComponent(tView, lView, def) {\n    var rootTNode = getPreviousOrParentTNode();\n    if (tView.firstCreatePass) {\n        if (def.providersResolver)\n            def.providersResolver(def);\n        generateExpandoInstructionBlock(tView, rootTNode, 1);\n        baseResolveDirective(tView, lView, def);\n    }\n    var directive = getNodeInjectable(lView, tView, lView.length - 1, rootTNode);\n    attachPatchData(directive, lView);\n    var native = getNativeByTNode(rootTNode, lView);\n    if (native) {\n        attachPatchData(native, lView);\n    }\n    return directive;\n}\n/**\n * Resolve the matched directives on a node.\n */\nfunction resolveDirectives(tView, lView, tNode, localRefs) {\n    // Please make sure to have explicit type for `exportsMap`. Inferred type triggers bug in\n    // tsickle.\n    ngDevMode && assertFirstCreatePass(tView);\n    var hasDirectives = false;\n    if (getBindingsEnabled()) {\n        var directiveDefs = findDirectiveDefMatches(tView, lView, tNode);\n        var exportsMap = localRefs === null ? null : { '': -1 };\n        if (directiveDefs !== null) {\n            var totalDirectiveHostVars = 0;\n            hasDirectives = true;\n            initTNodeFlags(tNode, tView.data.length, directiveDefs.length);\n            // When the same token is provided by several directives on the same node, some rules apply in\n            // the viewEngine:\n            // - viewProviders have priority over providers\n            // - the last directive in NgModule.declarations has priority over the previous one\n            // So to match these rules, the order in which providers are added in the arrays is very\n            // important.\n            for (var i = 0; i < directiveDefs.length; i++) {\n                var def = directiveDefs[i];\n                if (def.providersResolver)\n                    def.providersResolver(def);\n            }\n            generateExpandoInstructionBlock(tView, tNode, directiveDefs.length);\n            var preOrderHooksFound = false;\n            var preOrderCheckHooksFound = false;\n            for (var i = 0; i < directiveDefs.length; i++) {\n                var def = directiveDefs[i];\n                // Merge the attrs in the order of matches. This assumes that the first directive is the\n                // component itself, so that the component has the least priority.\n                tNode.mergedAttrs = mergeHostAttrs(tNode.mergedAttrs, def.hostAttrs);\n                baseResolveDirective(tView, lView, def);\n                saveNameToExportMap(tView.data.length - 1, def, exportsMap);\n                if (def.contentQueries !== null)\n                    tNode.flags |= 8 /* hasContentQuery */;\n                if (def.hostBindings !== null || def.hostAttrs !== null || def.hostVars !== 0)\n                    tNode.flags |= 128 /* hasHostBindings */;\n                // Only push a node index into the preOrderHooks array if this is the first\n                // pre-order hook found on this node.\n                if (!preOrderHooksFound && (def.onChanges || def.onInit || def.doCheck)) {\n                    // We will push the actual hook function into this array later during dir instantiation.\n                    // We cannot do it now because we must ensure hooks are registered in the same\n                    // order that directives are created (i.e. injection order).\n                    (tView.preOrderHooks || (tView.preOrderHooks = [])).push(tNode.index - HEADER_OFFSET);\n                    preOrderHooksFound = true;\n                }\n                if (!preOrderCheckHooksFound && (def.onChanges || def.doCheck)) {\n                    (tView.preOrderCheckHooks || (tView.preOrderCheckHooks = [])).push(tNode.index - HEADER_OFFSET);\n                    preOrderCheckHooksFound = true;\n                }\n                addHostBindingsToExpandoInstructions(tView, def);\n                totalDirectiveHostVars += def.hostVars;\n            }\n            initializeInputAndOutputAliases(tView, tNode);\n            growHostVarsSpace(tView, lView, totalDirectiveHostVars);\n        }\n        if (exportsMap)\n            cacheMatchingLocalNames(tNode, localRefs, exportsMap);\n    }\n    // Merge the template attrs last so that they have the highest priority.\n    tNode.mergedAttrs = mergeHostAttrs(tNode.mergedAttrs, tNode.attrs);\n    return hasDirectives;\n}\n/**\n * Add `hostBindings` to the `TView.expandoInstructions`.\n *\n * @param tView `TView` to which the `hostBindings` should be added.\n * @param def `ComponentDef`/`DirectiveDef`, which contains the `hostVars`/`hostBindings` to add.\n */\nfunction addHostBindingsToExpandoInstructions(tView, def) {\n    ngDevMode && assertFirstCreatePass(tView);\n    var expando = tView.expandoInstructions;\n    // TODO(misko): PERF we are adding `hostBindings` even if there is nothing to add! This is\n    // suboptimal for performance. `def.hostBindings` may be null,\n    // but we still need to push null to the array as a placeholder\n    // to ensure the directive counter is incremented (so host\n    // binding functions always line up with the corrective directive).\n    // This is suboptimal for performance. See `currentDirectiveIndex`\n    //  comment in `setHostBindingsByExecutingExpandoInstructions` for more\n    // details.  expando.push(def.hostBindings);\n    expando.push(def.hostBindings);\n    var hostVars = def.hostVars;\n    if (hostVars !== 0) {\n        expando.push(def.hostVars);\n    }\n}\n/**\n * Grow the `LView`, blueprint and `TView.data` to accommodate the `hostBindings`.\n *\n * To support locality we don't know ahead of time how many `hostVars` of the containing directives\n * we need to allocate. For this reason we allow growing these data structures as we discover more\n * directives to accommodate them.\n *\n * @param tView `TView` which needs to be grown.\n * @param lView `LView` which needs to be grown.\n * @param count Size by which we need to grow the data structures.\n */\nfunction growHostVarsSpace(tView, lView, count) {\n    ngDevMode && assertFirstCreatePass(tView);\n    ngDevMode && assertSame(tView, lView[TVIEW], '`LView` must be associated with `TView`!');\n    for (var i = 0; i < count; i++) {\n        lView.push(NO_CHANGE);\n        tView.blueprint.push(NO_CHANGE);\n        tView.data.push(null);\n    }\n}\n/**\n * Instantiate all the directives that were previously resolved on the current node.\n */\nfunction instantiateAllDirectives(tView, lView, tNode, native) {\n    var start = tNode.directiveStart;\n    var end = tNode.directiveEnd;\n    if (!tView.firstCreatePass) {\n        getOrCreateNodeInjectorForNode(tNode, lView);\n    }\n    attachPatchData(native, lView);\n    var initialInputs = tNode.initialInputs;\n    for (var i = start; i < end; i++) {\n        var def = tView.data[i];\n        var isComponent = isComponentDef(def);\n        if (isComponent) {\n            ngDevMode && assertNodeOfPossibleTypes(tNode, 3 /* Element */);\n            addComponentLogic(lView, tNode, def);\n        }\n        var directive = getNodeInjectable(lView, tView, i, tNode);\n        attachPatchData(directive, lView);\n        if (initialInputs !== null) {\n            setInputsFromAttrs(lView, i - start, directive, def, tNode, initialInputs);\n        }\n        if (isComponent) {\n            var componentView = getComponentLViewByIndex(tNode.index, lView);\n            componentView[CONTEXT] = directive;\n        }\n    }\n}\nfunction invokeDirectivesHostBindings(tView, lView, tNode) {\n    var start = tNode.directiveStart;\n    var end = tNode.directiveEnd;\n    var expando = tView.expandoInstructions;\n    var firstCreatePass = tView.firstCreatePass;\n    var elementIndex = tNode.index - HEADER_OFFSET;\n    try {\n        setSelectedIndex(elementIndex);\n        for (var i = start; i < end; i++) {\n            var def = tView.data[i];\n            var directive = lView[i];\n            if (def.hostBindings !== null || def.hostVars !== 0 || def.hostAttrs !== null) {\n                invokeHostBindingsInCreationMode(def, directive);\n            }\n            else if (firstCreatePass) {\n                expando.push(null);\n            }\n        }\n    }\n    finally {\n        setSelectedIndex(-1);\n    }\n}\n/**\n * Invoke the host bindings in creation mode.\n *\n * @param def `DirectiveDef` which may contain the `hostBindings` function.\n * @param directive Instance of directive.\n */\nfunction invokeHostBindingsInCreationMode(def, directive) {\n    if (def.hostBindings !== null) {\n        def.hostBindings(1 /* Create */, directive);\n    }\n}\n/**\n * Generates a new block in TView.expandoInstructions for this node.\n *\n * Each expando block starts with the element index (turned negative so we can distinguish\n * it from the hostVar count) and the directive count. See more in VIEW_DATA.md.\n */\nfunction generateExpandoInstructionBlock(tView, tNode, directiveCount) {\n    ngDevMode && assertEqual(tView.firstCreatePass, true, 'Expando block should only be generated on first create pass.');\n    // Important: In JS `-x` and `0-x` is not the same! If `x===0` then `-x` will produce `-0` which\n    // requires non standard math arithmetic and it can prevent VM optimizations.\n    // `0-0` will always produce `0` and will not cause a potential deoptimization in VM.\n    var elementIndex = HEADER_OFFSET - tNode.index;\n    var providerStartIndex = tNode.providerIndexes & 65535 /* ProvidersStartIndexMask */;\n    var providerCount = tView.data.length - providerStartIndex;\n    (tView.expandoInstructions || (tView.expandoInstructions = [])).push(elementIndex, providerCount, directiveCount);\n}\n/**\n* Matches the current node against all available selectors.\n* If a component is matched (at most one), it is returned in first position in the array.\n*/\nfunction findDirectiveDefMatches(tView, viewData, tNode) {\n    ngDevMode && assertFirstCreatePass(tView);\n    ngDevMode && assertNodeOfPossibleTypes(tNode, 3 /* Element */, 4 /* ElementContainer */, 0 /* Container */);\n    var registry = tView.directiveRegistry;\n    var matches = null;\n    if (registry) {\n        for (var i = 0; i < registry.length; i++) {\n            var def = registry[i];\n            if (isNodeMatchingSelectorList(tNode, def.selectors, /* isProjectionMode */ false)) {\n                matches || (matches = ngDevMode ? new MatchesArray() : []);\n                diPublicInInjector(getOrCreateNodeInjectorForNode(tNode, viewData), tView, def.type);\n                if (isComponentDef(def)) {\n                    if (tNode.flags & 2 /* isComponentHost */)\n                        throwMultipleComponentError(tNode);\n                    markAsComponentHost(tView, tNode);\n                    // The component is always stored first with directives after.\n                    matches.unshift(def);\n                }\n                else {\n                    matches.push(def);\n                }\n            }\n        }\n    }\n    return matches;\n}\n/**\n * Marks a given TNode as a component's host. This consists of:\n * - setting appropriate TNode flags;\n * - storing index of component's host element so it will be queued for view refresh during CD.\n*/\nfunction markAsComponentHost(tView, hostTNode) {\n    ngDevMode && assertFirstCreatePass(tView);\n    hostTNode.flags |= 2 /* isComponentHost */;\n    (tView.components || (tView.components = ngDevMode ? new TViewComponents() : [])).push(hostTNode.index);\n}\n/** Caches local names and their matching directive indices for query and template lookups. */\nfunction cacheMatchingLocalNames(tNode, localRefs, exportsMap) {\n    if (localRefs) {\n        var localNames = tNode.localNames =\n            ngDevMode ? new TNodeLocalNames() : [];\n        // Local names must be stored in tNode in the same order that localRefs are defined\n        // in the template to ensure the data is loaded in the same slots as their refs\n        // in the template (for template queries).\n        for (var i = 0; i < localRefs.length; i += 2) {\n            var index = exportsMap[localRefs[i + 1]];\n            if (index == null)\n                throw new Error(\"Export of name '\" + localRefs[i + 1] + \"' not found!\");\n            localNames.push(localRefs[i], index);\n        }\n    }\n}\n/**\n* Builds up an export map as directives are created, so local refs can be quickly mapped\n* to their directive instances.\n*/\nfunction saveNameToExportMap(index, def, exportsMap) {\n    if (exportsMap) {\n        if (def.exportAs) {\n            for (var i = 0; i < def.exportAs.length; i++) {\n                exportsMap[def.exportAs[i]] = index;\n            }\n        }\n        if (isComponentDef(def))\n            exportsMap[''] = index;\n    }\n}\n/**\n * Initializes the flags on the current node, setting all indices to the initial index,\n * the directive count to 0, and adding the isComponent flag.\n * @param index the initial index\n */\nfunction initTNodeFlags(tNode, index, numberOfDirectives) {\n    ngDevMode && assertNotEqual(numberOfDirectives, tNode.directiveEnd - tNode.directiveStart, 'Reached the max number of directives');\n    tNode.flags |= 1 /* isDirectiveHost */;\n    // When the first directive is created on a node, save the index\n    tNode.directiveStart = index;\n    tNode.directiveEnd = index + numberOfDirectives;\n    tNode.providerIndexes = index;\n}\nfunction baseResolveDirective(tView, viewData, def) {\n    tView.data.push(def);\n    var directiveFactory = def.factory || (def.factory = getFactoryDef(def.type, true));\n    var nodeInjectorFactory = new NodeInjectorFactory(directiveFactory, isComponentDef(def), null);\n    tView.blueprint.push(nodeInjectorFactory);\n    viewData.push(nodeInjectorFactory);\n}\nfunction addComponentLogic(lView, hostTNode, def) {\n    var native = getNativeByTNode(hostTNode, lView);\n    var tView = getOrCreateTComponentView(def);\n    // Only component views should be added to the view tree directly. Embedded views are\n    // accessed through their containers because they may be removed / re-added later.\n    var rendererFactory = lView[RENDERER_FACTORY];\n    var componentView = addToViewTree(lView, createLView(lView, tView, null, def.onPush ? 64 /* Dirty */ : 16 /* CheckAlways */, native, hostTNode, rendererFactory, rendererFactory.createRenderer(native, def)));\n    // Component view will always be created before any injected LContainers,\n    // so this is a regular element, wrap it with the component view\n    lView[hostTNode.index] = componentView;\n}\nfunction elementAttributeInternal(index, name, value, tView, lView, sanitizer, namespace) {\n    ngDevMode && assertNotSame(value, NO_CHANGE, 'Incoming value should never be NO_CHANGE.');\n    ngDevMode && validateAgainstEventAttributes(name);\n    var element = getNativeByIndex(index, lView);\n    var renderer = lView[RENDERER];\n    if (value == null) {\n        ngDevMode && ngDevMode.rendererRemoveAttribute++;\n        isProceduralRenderer(renderer) ? renderer.removeAttribute(element, name, namespace) :\n            element.removeAttribute(name);\n    }\n    else {\n        ngDevMode && ngDevMode.rendererSetAttribute++;\n        var tNode = getTNode(tView, index);\n        var strValue = sanitizer == null ? renderStringify(value) : sanitizer(value, tNode.tagName || '', name);\n        if (isProceduralRenderer(renderer)) {\n            renderer.setAttribute(element, name, strValue, namespace);\n        }\n        else {\n            namespace ? element.setAttributeNS(namespace, name, strValue) :\n                element.setAttribute(name, strValue);\n        }\n    }\n}\n/**\n * Sets initial input properties on directive instances from attribute data\n *\n * @param lView Current LView that is being processed.\n * @param directiveIndex Index of the directive in directives array\n * @param instance Instance of the directive on which to set the initial inputs\n * @param def The directive def that contains the list of inputs\n * @param tNode The static data for this node\n */\nfunction setInputsFromAttrs(lView, directiveIndex, instance, def, tNode, initialInputData) {\n    var initialInputs = initialInputData[directiveIndex];\n    if (initialInputs !== null) {\n        var setInput = def.setInput;\n        for (var i = 0; i < initialInputs.length;) {\n            var publicName = initialInputs[i++];\n            var privateName = initialInputs[i++];\n            var value = initialInputs[i++];\n            if (setInput !== null) {\n                def.setInput(instance, value, publicName, privateName);\n            }\n            else {\n                instance[privateName] = value;\n            }\n            if (ngDevMode) {\n                var nativeElement = getNativeByTNode(tNode, lView);\n                setNgReflectProperty(lView, nativeElement, tNode.type, privateName, value);\n            }\n        }\n    }\n}\n/**\n * Generates initialInputData for a node and stores it in the template's static storage\n * so subsequent template invocations don't have to recalculate it.\n *\n * initialInputData is an array containing values that need to be set as input properties\n * for directives on this node, but only once on creation. We need this array to support\n * the case where you set an @Input property of a directive using attribute-like syntax.\n * e.g. if you have a `name` @Input, you can set it once like this:\n *\n * <my-component name=\"Bess\"></my-component>\n *\n * @param inputs The list of inputs from the directive def\n * @param attrs The static attrs on this node\n */\nfunction generateInitialInputs(inputs, attrs) {\n    var inputsToStore = null;\n    var i = 0;\n    while (i < attrs.length) {\n        var attrName = attrs[i];\n        if (attrName === 0 /* NamespaceURI */) {\n            // We do not allow inputs on namespaced attributes.\n            i += 4;\n            continue;\n        }\n        else if (attrName === 5 /* ProjectAs */) {\n            // Skip over the `ngProjectAs` value.\n            i += 2;\n            continue;\n        }\n        // If we hit any other attribute markers, we're done anyway. None of those are valid inputs.\n        if (typeof attrName === 'number')\n            break;\n        if (inputs.hasOwnProperty(attrName)) {\n            if (inputsToStore === null)\n                inputsToStore = [];\n            inputsToStore.push(attrName, inputs[attrName], attrs[i + 1]);\n        }\n        i += 2;\n    }\n    return inputsToStore;\n}\n//////////////////////////\n//// ViewContainer & View\n//////////////////////////\n// Not sure why I need to do `any` here but TS complains later.\nvar LContainerArray = ((typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode()) &&\n    createNamedArrayType('LContainer');\n/**\n * Creates a LContainer, either from a container instruction, or for a ViewContainerRef.\n *\n * @param hostNative The host element for the LContainer\n * @param hostTNode The host TNode for the LContainer\n * @param currentView The parent view of the LContainer\n * @param native The native comment element\n * @param isForViewContainerRef Optional a flag indicating the ViewContainerRef case\n * @returns LContainer\n */\nfunction createLContainer(hostNative, currentView, native, tNode) {\n    ngDevMode && assertLView(currentView);\n    ngDevMode && !isProceduralRenderer(currentView[RENDERER]) && assertDomNode(native);\n    // https://jsperf.com/array-literal-vs-new-array-really\n    var lContainer = new (ngDevMode ? LContainerArray : Array)(hostNative, // host native\n    true, // Boolean `true` in this position signifies that this is an `LContainer`\n    -1 /* DYNAMIC_EMBEDDED_VIEWS_ONLY */ << 1 /* SHIFT */, // active index\n    currentView, // parent\n    null, // next\n    null, // queries\n    tNode, // t_host\n    native, // native,\n    null);\n    ngDevMode && attachLContainerDebug(lContainer);\n    return lContainer;\n}\n/**\n * Goes over dynamic embedded views (ones created through ViewContainerRef APIs) and refreshes\n * them by executing an associated template function.\n */\nfunction refreshDynamicEmbeddedViews(lView) {\n    var viewOrContainer = lView[CHILD_HEAD];\n    while (viewOrContainer !== null) {\n        // Note: viewOrContainer can be an LView or an LContainer instance, but here we are only\n        // interested in LContainer\n        var activeIndexFlag = void 0;\n        if (isLContainer(viewOrContainer) &&\n            (activeIndexFlag = viewOrContainer[ACTIVE_INDEX]) >> 1 /* SHIFT */ ===\n                -1 /* DYNAMIC_EMBEDDED_VIEWS_ONLY */) {\n            for (var i = CONTAINER_HEADER_OFFSET; i < viewOrContainer.length; i++) {\n                var embeddedLView = viewOrContainer[i];\n                var embeddedTView = embeddedLView[TVIEW];\n                ngDevMode && assertDefined(embeddedTView, 'TView must be allocated');\n                if (viewAttachedToChangeDetector(embeddedLView)) {\n                    refreshView(embeddedTView, embeddedLView, embeddedTView.template, embeddedLView[CONTEXT]);\n                }\n            }\n            if ((activeIndexFlag & 1 /* HAS_TRANSPLANTED_VIEWS */) !== 0) {\n                // We should only CD moved views if the component where they were inserted does not match\n                // the component where they were declared and insertion is on-push. Moved views also\n                // contains intra component moves, or check-always which need to be skipped.\n                refreshTransplantedViews(viewOrContainer, lView[DECLARATION_COMPONENT_VIEW]);\n            }\n        }\n        viewOrContainer = viewOrContainer[NEXT];\n    }\n}\n/**\n * Refresh transplanted LViews.\n *\n * See: `ActiveIndexFlag.HAS_TRANSPLANTED_VIEWS` and `LView[DECLARATION_COMPONENT_VIEW]` for\n * explanation of transplanted views.\n *\n * @param lContainer The `LContainer` which has transplanted views.\n * @param declaredComponentLView The `lContainer` parent component `LView`.\n */\nfunction refreshTransplantedViews(lContainer, declaredComponentLView) {\n    var movedViews = lContainer[MOVED_VIEWS];\n    ngDevMode && assertDefined(movedViews, 'Transplanted View flags set but missing MOVED_VIEWS');\n    for (var i = 0; i < movedViews.length; i++) {\n        var movedLView = movedViews[i];\n        var insertionLContainer = movedLView[PARENT];\n        ngDevMode && assertLContainer(insertionLContainer);\n        var insertedComponentLView = insertionLContainer[PARENT][DECLARATION_COMPONENT_VIEW];\n        ngDevMode && assertDefined(insertedComponentLView, 'Missing LView');\n        // Check if we have a transplanted view by compering declaration and insertion location.\n        if (insertedComponentLView !== declaredComponentLView) {\n            // Yes the `LView` is transplanted.\n            // Here we would like to know if the component is `OnPush`. We don't have\n            // explicit `OnPush` flag instead we set `CheckAlways` to false (which is `OnPush`)\n            // Not to be confused with `ManualOnPush` which is used with wether a DOM event\n            // should automatically mark a view as dirty.\n            var insertionComponentIsOnPush = (insertedComponentLView[FLAGS] & 16 /* CheckAlways */) === 0;\n            if (insertionComponentIsOnPush) {\n                // Here we know that the template has been transplanted across components and is\n                // on-push (not just moved within a component). If the insertion is marked dirty, then\n                // there is no need to CD here as we will do it again later when we get to insertion\n                // point.\n                var movedTView = movedLView[TVIEW];\n                ngDevMode && assertDefined(movedTView, 'TView must be allocated');\n                refreshView(movedTView, movedLView, movedTView.template, movedLView[CONTEXT]);\n            }\n        }\n    }\n}\n/////////////\n/**\n * Refreshes components by entering the component view and processing its bindings, queries, etc.\n *\n * @param componentHostIdx  Element index in LView[] (adjusted for HEADER_OFFSET)\n */\nfunction refreshComponent(hostLView, componentHostIdx) {\n    ngDevMode && assertEqual(isCreationMode(hostLView), false, 'Should be run in update mode');\n    var componentView = getComponentLViewByIndex(componentHostIdx, hostLView);\n    // Only attached components that are CheckAlways or OnPush and dirty should be refreshed\n    if (viewAttachedToChangeDetector(componentView) &&\n        componentView[FLAGS] & (16 /* CheckAlways */ | 64 /* Dirty */)) {\n        var componentTView = componentView[TVIEW];\n        refreshView(componentTView, componentView, componentTView.template, componentView[CONTEXT]);\n    }\n}\nfunction renderComponent(hostLView, componentHostIdx) {\n    ngDevMode && assertEqual(isCreationMode(hostLView), true, 'Should be run in creation mode');\n    var componentView = getComponentLViewByIndex(componentHostIdx, hostLView);\n    var componentTView = componentView[TVIEW];\n    syncViewWithBlueprint(componentTView, componentView);\n    renderView(componentTView, componentView, componentView[CONTEXT]);\n}\n/**\n * Syncs an LView instance with its blueprint if they have gotten out of sync.\n *\n * Typically, blueprints and their view instances should always be in sync, so the loop here\n * will be skipped. However, consider this case of two components side-by-side:\n *\n * App template:\n * ```\n * <comp></comp>\n * <comp></comp>\n * ```\n *\n * The following will happen:\n * 1. App template begins processing.\n * 2. First <comp> is matched as a component and its LView is created.\n * 3. Second <comp> is matched as a component and its LView is created.\n * 4. App template completes processing, so it's time to check child templates.\n * 5. First <comp> template is checked. It has a directive, so its def is pushed to blueprint.\n * 6. Second <comp> template is checked. Its blueprint has been updated by the first\n * <comp> template, but its LView was created before this update, so it is out of sync.\n *\n * Note that embedded views inside ngFor loops will never be out of sync because these views\n * are processed as soon as they are created.\n *\n * @param tView The `TView` that contains the blueprint for syncing\n * @param lView The view to sync\n */\nfunction syncViewWithBlueprint(tView, lView) {\n    for (var i = lView.length; i < tView.blueprint.length; i++) {\n        lView.push(tView.blueprint[i]);\n    }\n}\n/**\n * Adds LView or LContainer to the end of the current view tree.\n *\n * This structure will be used to traverse through nested views to remove listeners\n * and call onDestroy callbacks.\n *\n * @param lView The view where LView or LContainer should be added\n * @param adjustedHostIndex Index of the view's host node in LView[], adjusted for header\n * @param lViewOrLContainer The LView or LContainer to add to the view tree\n * @returns The state passed in\n */\nfunction addToViewTree(lView, lViewOrLContainer) {\n    // TODO(benlesh/misko): This implementation is incorrect, because it always adds the LContainer\n    // to the end of the queue, which means if the developer retrieves the LContainers from RNodes out\n    // of order, the change detection will run out of order, as the act of retrieving the the\n    // LContainer from the RNode is what adds it to the queue.\n    if (lView[CHILD_HEAD]) {\n        lView[CHILD_TAIL][NEXT] = lViewOrLContainer;\n    }\n    else {\n        lView[CHILD_HEAD] = lViewOrLContainer;\n    }\n    lView[CHILD_TAIL] = lViewOrLContainer;\n    return lViewOrLContainer;\n}\n///////////////////////////////\n//// Change detection\n///////////////////////////////\n/**\n * Marks current view and all ancestors dirty.\n *\n * Returns the root view because it is found as a byproduct of marking the view tree\n * dirty, and can be used by methods that consume markViewDirty() to easily schedule\n * change detection. Otherwise, such methods would need to traverse up the view tree\n * an additional time to get the root view and schedule a tick on it.\n *\n * @param lView The starting LView to mark dirty\n * @returns the root LView\n */\nfunction markViewDirty(lView) {\n    while (lView) {\n        lView[FLAGS] |= 64 /* Dirty */;\n        var parent_1 = getLViewParent(lView);\n        // Stop traversing up as soon as you find a root view that wasn't attached to any container\n        if (isRootView(lView) && !parent_1) {\n            return lView;\n        }\n        // continue otherwise\n        lView = parent_1;\n    }\n    return null;\n}\n/**\n * Used to schedule change detection on the whole application.\n *\n * Unlike `tick`, `scheduleTick` coalesces multiple calls into one change detection run.\n * It is usually called indirectly by calling `markDirty` when the view needs to be\n * re-rendered.\n *\n * Typically `scheduleTick` uses `requestAnimationFrame` to coalesce multiple\n * `scheduleTick` requests. The scheduling function can be overridden in\n * `renderComponent`'s `scheduler` option.\n */\nfunction scheduleTick(rootContext, flags) {\n    var nothingScheduled = rootContext.flags === 0 /* Empty */;\n    rootContext.flags |= flags;\n    if (nothingScheduled && rootContext.clean == _CLEAN_PROMISE) {\n        var res_1;\n        rootContext.clean = new Promise(function (r) { return res_1 = r; });\n        rootContext.scheduler(function () {\n            if (rootContext.flags & 1 /* DetectChanges */) {\n                rootContext.flags &= ~1 /* DetectChanges */;\n                tickRootContext(rootContext);\n            }\n            if (rootContext.flags & 2 /* FlushPlayers */) {\n                rootContext.flags &= ~2 /* FlushPlayers */;\n                var playerHandler = rootContext.playerHandler;\n                if (playerHandler) {\n                    playerHandler.flushPlayers();\n                }\n            }\n            rootContext.clean = _CLEAN_PROMISE;\n            res_1(null);\n        });\n    }\n}\nfunction tickRootContext(rootContext) {\n    for (var i = 0; i < rootContext.components.length; i++) {\n        var rootComponent = rootContext.components[i];\n        var lView = readPatchedLView(rootComponent);\n        var tView = lView[TVIEW];\n        renderComponentOrTemplate(tView, lView, tView.template, rootComponent);\n    }\n}\nfunction detectChangesInternal(tView, lView, context) {\n    var rendererFactory = lView[RENDERER_FACTORY];\n    if (rendererFactory.begin)\n        rendererFactory.begin();\n    try {\n        refreshView(tView, lView, tView.template, context);\n    }\n    catch (error) {\n        handleError(lView, error);\n        throw error;\n    }\n    finally {\n        if (rendererFactory.end)\n            rendererFactory.end();\n    }\n}\n/**\n * Synchronously perform change detection on a root view and its components.\n *\n * @param lView The view which the change detection should be performed on.\n */\nfunction detectChangesInRootView(lView) {\n    tickRootContext(lView[CONTEXT]);\n}\nfunction checkNoChangesInternal(tView, view, context) {\n    setCheckNoChangesMode(true);\n    try {\n        detectChangesInternal(tView, view, context);\n    }\n    finally {\n        setCheckNoChangesMode(false);\n    }\n}\n/**\n * Checks the change detector on a root view and its components, and throws if any changes are\n * detected.\n *\n * This is used in development mode to verify that running change detection doesn't\n * introduce other changes.\n *\n * @param lView The view which the change detection should be checked on.\n */\nfunction checkNoChangesInRootView(lView) {\n    setCheckNoChangesMode(true);\n    try {\n        detectChangesInRootView(lView);\n    }\n    finally {\n        setCheckNoChangesMode(false);\n    }\n}\nfunction executeViewQueryFn(flags, viewQueryFn, component) {\n    ngDevMode && assertDefined(viewQueryFn, 'View queries function to execute must be defined.');\n    setCurrentQueryIndex(0);\n    viewQueryFn(flags, component);\n}\n///////////////////////////////\n//// Bindings & interpolations\n///////////////////////////////\n/**\n * Stores meta-data for a property binding to be used by TestBed's `DebugElement.properties`.\n *\n * In order to support TestBed's `DebugElement.properties` we need to save, for each binding:\n * - a bound property name;\n * - a static parts of interpolated strings;\n *\n * A given property metadata is saved at the binding's index in the `TView.data` (in other words, a\n * property binding metadata will be stored in `TView.data` at the same index as a bound value in\n * `LView`). Metadata are represented as `INTERPOLATION_DELIMITER`-delimited string with the\n * following format:\n * - `propertyName` for bound properties;\n * - `propertyName�prefix�interpolation_static_part1�..interpolation_static_partN�suffix` for\n * interpolated properties.\n *\n * @param tData `TData` where meta-data will be saved;\n * @param nodeIndex index of a `TNode` that is a target of the binding;\n * @param propertyName bound property name;\n * @param bindingIndex binding index in `LView`\n * @param interpolationParts static interpolation parts (for property interpolations)\n */\nfunction storePropertyBindingMetadata(tData, nodeIndex, propertyName, bindingIndex) {\n    var interpolationParts = [];\n    for (var _i = 4; _i < arguments.length; _i++) {\n        interpolationParts[_i - 4] = arguments[_i];\n    }\n    // Binding meta-data are stored only the first time a given property instruction is processed.\n    // Since we don't have a concept of the \"first update pass\" we need to check for presence of the\n    // binding meta-data to decide if one should be stored (or if was stored already).\n    if (tData[bindingIndex] === null) {\n        var tNode = tData[nodeIndex + HEADER_OFFSET];\n        if (tNode.inputs == null || !tNode.inputs[propertyName]) {\n            var propBindingIdxs = tNode.propertyBindings || (tNode.propertyBindings = []);\n            propBindingIdxs.push(bindingIndex);\n            var bindingMetadata = propertyName;\n            if (interpolationParts.length > 0) {\n                bindingMetadata +=\n                    INTERPOLATION_DELIMITER + interpolationParts.join(INTERPOLATION_DELIMITER);\n            }\n            tData[bindingIndex] = bindingMetadata;\n        }\n    }\n}\nvar CLEAN_PROMISE = _CLEAN_PROMISE;\nfunction getLCleanup(view) {\n    // top level variables should not be exported for performance reasons (PERF_NOTES.md)\n    return view[CLEANUP] || (view[CLEANUP] = ngDevMode ? new LCleanup() : []);\n}\nfunction getTViewCleanup(tView) {\n    return tView.cleanup || (tView.cleanup = ngDevMode ? new TCleanup() : []);\n}\n/**\n * There are cases where the sub component's renderer needs to be included\n * instead of the current renderer (see the componentSyntheticHost* instructions).\n */\nfunction loadComponentRenderer(tNode, lView) {\n    var componentLView = lView[tNode.index];\n    return componentLView[RENDERER];\n}\n/** Handles an error thrown in an LView. */\nfunction handleError(lView, error) {\n    var injector = lView[INJECTOR$1];\n    var errorHandler = injector ? injector.get(ErrorHandler, null) : null;\n    errorHandler && errorHandler.handleError(error);\n}\n/**\n * Set the inputs of directives at the current node to corresponding value.\n *\n * @param tView The current TView\n * @param lView the `LView` which contains the directives.\n * @param inputs mapping between the public \"input\" name and privately-known,\n *        possibly minified, property names to write to.\n * @param value Value to set.\n */\nfunction setInputsForProperty(tView, lView, inputs, publicName, value) {\n    for (var i = 0; i < inputs.length;) {\n        var index = inputs[i++];\n        var privateName = inputs[i++];\n        var instance = lView[index];\n        ngDevMode && assertDataInRange(lView, index);\n        var def = tView.data[index];\n        if (def.setInput !== null) {\n            def.setInput(instance, value, publicName, privateName);\n        }\n        else {\n            instance[privateName] = value;\n        }\n    }\n}\n/**\n * Updates a text binding at a given index in a given LView.\n */\nfunction textBindingInternal(lView, index, value) {\n    ngDevMode && assertNotSame(value, NO_CHANGE, 'value should not be NO_CHANGE');\n    ngDevMode && assertDataInRange(lView, index + HEADER_OFFSET);\n    var element = getNativeByIndex(index, lView);\n    ngDevMode && assertDefined(element, 'native element should exist');\n    ngDevMode && ngDevMode.rendererSetText++;\n    var renderer = lView[RENDERER];\n    isProceduralRenderer(renderer) ? renderer.setValue(element, value) : element.textContent = value;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar unusedValueToPlacateAjd$1 = unusedValueExportToPlacateAjd$1 + unusedValueExportToPlacateAjd$4 + unusedValueExportToPlacateAjd$5 + unusedValueExportToPlacateAjd$3 + unusedValueExportToPlacateAjd;\nfunction getLContainer(tNode, embeddedView) {\n    ngDevMode && assertLView(embeddedView);\n    var container = embeddedView[PARENT];\n    if (tNode.index === -1) {\n        // This is a dynamically created view inside a dynamic container.\n        // The parent isn't an LContainer if the embedded view hasn't been attached yet.\n        return isLContainer(container) ? container : null;\n    }\n    else {\n        ngDevMode && assertLContainer(container);\n        // This is a inline view node (e.g. embeddedViewStart)\n        return container;\n    }\n}\n/**\n * Retrieves render parent for a given view.\n * Might be null if a view is not yet attached to any container.\n */\nfunction getContainerRenderParent(tViewNode, view) {\n    var container = getLContainer(tViewNode, view);\n    return container ? nativeParentNode(view[RENDERER], container[NATIVE]) : null;\n}\n/**\n * NOTE: for performance reasons, the possible actions are inlined within the function instead of\n * being passed as an argument.\n */\nfunction applyToElementOrContainer(action, renderer, parent, lNodeToHandle, beforeNode) {\n    // If this slot was allocated for a text node dynamically created by i18n, the text node itself\n    // won't be created until i18nApply() in the update block, so this node should be skipped.\n    // For more info, see \"ICU expressions should work inside an ngTemplateOutlet inside an ngFor\"\n    // in `i18n_spec.ts`.\n    if (lNodeToHandle != null) {\n        var lContainer = void 0;\n        var isComponent = false;\n        // We are expecting an RNode, but in the case of a component or LContainer the `RNode` is\n        // wrapped in an array which needs to be unwrapped. We need to know if it is a component and if\n        // it has LContainer so that we can process all of those cases appropriately.\n        if (isLContainer(lNodeToHandle)) {\n            lContainer = lNodeToHandle;\n        }\n        else if (isLView(lNodeToHandle)) {\n            isComponent = true;\n            ngDevMode && assertDefined(lNodeToHandle[HOST], 'HOST must be defined for a component LView');\n            lNodeToHandle = lNodeToHandle[HOST];\n        }\n        var rNode = unwrapRNode(lNodeToHandle);\n        ngDevMode && !isProceduralRenderer(renderer) && assertDomNode(rNode);\n        if (action === 0 /* Create */ && parent !== null) {\n            if (beforeNode == null) {\n                nativeAppendChild(renderer, parent, rNode);\n            }\n            else {\n                nativeInsertBefore(renderer, parent, rNode, beforeNode || null);\n            }\n        }\n        else if (action === 1 /* Insert */ && parent !== null) {\n            nativeInsertBefore(renderer, parent, rNode, beforeNode || null);\n        }\n        else if (action === 2 /* Detach */) {\n            nativeRemoveNode(renderer, rNode, isComponent);\n        }\n        else if (action === 3 /* Destroy */) {\n            ngDevMode && ngDevMode.rendererDestroyNode++;\n            renderer.destroyNode(rNode);\n        }\n        if (lContainer != null) {\n            applyContainer(renderer, action, lContainer, parent, beforeNode);\n        }\n    }\n}\nfunction createTextNode(value, renderer) {\n    ngDevMode && ngDevMode.rendererCreateTextNode++;\n    ngDevMode && ngDevMode.rendererSetText++;\n    return isProceduralRenderer(renderer) ? renderer.createText(value) :\n        renderer.createTextNode(value);\n}\nfunction addRemoveViewFromContainer(tView, lView, insertMode, beforeNode) {\n    var renderParent = getContainerRenderParent(tView.node, lView);\n    ngDevMode && assertNodeType(tView.node, 2 /* View */);\n    if (renderParent) {\n        var renderer = lView[RENDERER];\n        var action = insertMode ? 1 /* Insert */ : 2 /* Detach */;\n        applyView(tView, lView, renderer, action, renderParent, beforeNode);\n    }\n}\n/**\n * Detach a `LView` from the DOM by detaching its nodes.\n *\n * @param tView The `TView' of the `LView` to be detached\n * @param lView the `LView` to be detached.\n */\nfunction renderDetachView(tView, lView) {\n    applyView(tView, lView, lView[RENDERER], 2 /* Detach */, null, null);\n}\n/**\n * Traverses down and up the tree of views and containers to remove listeners and\n * call onDestroy callbacks.\n *\n * Notes:\n *  - Because it's used for onDestroy calls, it needs to be bottom-up.\n *  - Must process containers instead of their views to avoid splicing\n *  when views are destroyed and re-added.\n *  - Using a while loop because it's faster than recursion\n *  - Destroy only called on movement to sibling or movement to parent (laterally or up)\n *\n *  @param rootView The view to destroy\n */\nfunction destroyViewTree(rootView) {\n    // If the view has no children, we can clean it up and return early.\n    var lViewOrLContainer = rootView[CHILD_HEAD];\n    if (!lViewOrLContainer) {\n        return cleanUpView(rootView[TVIEW], rootView);\n    }\n    while (lViewOrLContainer) {\n        var next = null;\n        if (isLView(lViewOrLContainer)) {\n            // If LView, traverse down to child.\n            next = lViewOrLContainer[CHILD_HEAD];\n        }\n        else {\n            ngDevMode && assertLContainer(lViewOrLContainer);\n            // If container, traverse down to its first LView.\n            var firstView = lViewOrLContainer[CONTAINER_HEADER_OFFSET];\n            if (firstView)\n                next = firstView;\n        }\n        if (!next) {\n            // Only clean up view when moving to the side or up, as destroy hooks\n            // should be called in order from the bottom up.\n            while (lViewOrLContainer && !lViewOrLContainer[NEXT] && lViewOrLContainer !== rootView) {\n                isLView(lViewOrLContainer) && cleanUpView(lViewOrLContainer[TVIEW], lViewOrLContainer);\n                lViewOrLContainer = getParentState(lViewOrLContainer, rootView);\n            }\n            if (lViewOrLContainer === null)\n                lViewOrLContainer = rootView;\n            isLView(lViewOrLContainer) && cleanUpView(lViewOrLContainer[TVIEW], lViewOrLContainer);\n            next = lViewOrLContainer && lViewOrLContainer[NEXT];\n        }\n        lViewOrLContainer = next;\n    }\n}\n/**\n * Inserts a view into a container.\n *\n * This adds the view to the container's array of active views in the correct\n * position. It also adds the view's elements to the DOM if the container isn't a\n * root node of another view (in that case, the view's elements will be added when\n * the container's parent view is added later).\n *\n * @param tView The `TView' of the `LView` to insert\n * @param lView The view to insert\n * @param lContainer The container into which the view should be inserted\n * @param index Which index in the container to insert the child view into\n */\nfunction insertView(tView, lView, lContainer, index) {\n    ngDevMode && assertLView(lView);\n    ngDevMode && assertLContainer(lContainer);\n    var indexInContainer = CONTAINER_HEADER_OFFSET + index;\n    var containerLength = lContainer.length;\n    if (index > 0) {\n        // This is a new view, we need to add it to the children.\n        lContainer[indexInContainer - 1][NEXT] = lView;\n    }\n    if (index < containerLength - CONTAINER_HEADER_OFFSET) {\n        lView[NEXT] = lContainer[indexInContainer];\n        addToArray(lContainer, CONTAINER_HEADER_OFFSET + index, lView);\n    }\n    else {\n        lContainer.push(lView);\n        lView[NEXT] = null;\n    }\n    lView[PARENT] = lContainer;\n    // track views where declaration and insertion points are different\n    var declarationLContainer = lView[DECLARATION_LCONTAINER];\n    if (declarationLContainer !== null && lContainer !== declarationLContainer) {\n        trackMovedView(declarationLContainer, lView);\n    }\n    // notify query that a new view has been added\n    var lQueries = lView[QUERIES];\n    if (lQueries !== null) {\n        lQueries.insertView(tView);\n    }\n    // Sets the attached flag\n    lView[FLAGS] |= 128 /* Attached */;\n}\n/**\n * Track views created from the declaration container (TemplateRef) and inserted into a\n * different LContainer.\n */\nfunction trackMovedView(declarationContainer, lView) {\n    ngDevMode && assertDefined(lView, 'LView required');\n    ngDevMode && assertLContainer(declarationContainer);\n    var movedViews = declarationContainer[MOVED_VIEWS];\n    var insertedLContainer = lView[PARENT];\n    ngDevMode && assertLContainer(insertedLContainer);\n    var insertedComponentLView = insertedLContainer[PARENT][DECLARATION_COMPONENT_VIEW];\n    ngDevMode && assertDefined(insertedComponentLView, 'Missing insertedComponentLView');\n    var insertedComponentIsOnPush = (insertedComponentLView[FLAGS] & 16 /* CheckAlways */) !== 16 /* CheckAlways */;\n    if (insertedComponentIsOnPush) {\n        var declaredComponentLView = lView[DECLARATION_COMPONENT_VIEW];\n        ngDevMode && assertDefined(declaredComponentLView, 'Missing declaredComponentLView');\n        if (declaredComponentLView !== insertedComponentLView) {\n            // At this point the declaration-component is not same as insertion-component and we are in\n            // on-push mode, this means that this is a transplanted view. Mark the declared lView as\n            // having\n            // transplanted views so that those views can participate in CD.\n            declarationContainer[ACTIVE_INDEX] |= 1 /* HAS_TRANSPLANTED_VIEWS */;\n        }\n    }\n    if (movedViews === null) {\n        declarationContainer[MOVED_VIEWS] = [lView];\n    }\n    else {\n        movedViews.push(lView);\n    }\n}\nfunction detachMovedView(declarationContainer, lView) {\n    ngDevMode && assertLContainer(declarationContainer);\n    ngDevMode && assertDefined(declarationContainer[MOVED_VIEWS], 'A projected view should belong to a non-empty projected views collection');\n    var movedViews = declarationContainer[MOVED_VIEWS];\n    var declaredViewIndex = movedViews.indexOf(lView);\n    movedViews.splice(declaredViewIndex, 1);\n}\n/**\n * Detaches a view from a container.\n *\n * This method removes the view from the container's array of active views. It also\n * removes the view's elements from the DOM.\n *\n * @param lContainer The container from which to detach a view\n * @param removeIndex The index of the view to detach\n * @returns Detached LView instance.\n */\nfunction detachView(lContainer, removeIndex) {\n    if (lContainer.length <= CONTAINER_HEADER_OFFSET)\n        return;\n    var indexInContainer = CONTAINER_HEADER_OFFSET + removeIndex;\n    var viewToDetach = lContainer[indexInContainer];\n    if (viewToDetach) {\n        var declarationLContainer = viewToDetach[DECLARATION_LCONTAINER];\n        if (declarationLContainer !== null && declarationLContainer !== lContainer) {\n            detachMovedView(declarationLContainer, viewToDetach);\n        }\n        if (removeIndex > 0) {\n            lContainer[indexInContainer - 1][NEXT] = viewToDetach[NEXT];\n        }\n        var removedLView = removeFromArray(lContainer, CONTAINER_HEADER_OFFSET + removeIndex);\n        addRemoveViewFromContainer(viewToDetach[TVIEW], viewToDetach, false, null);\n        // notify query that a view has been removed\n        var lQueries = removedLView[QUERIES];\n        if (lQueries !== null) {\n            lQueries.detachView(removedLView[TVIEW]);\n        }\n        viewToDetach[PARENT] = null;\n        viewToDetach[NEXT] = null;\n        // Unsets the attached flag\n        viewToDetach[FLAGS] &= ~128 /* Attached */;\n    }\n    return viewToDetach;\n}\n/**\n * Removes a view from a container, i.e. detaches it and then destroys the underlying LView.\n *\n * @param lContainer The container from which to remove a view\n * @param removeIndex The index of the view to remove\n */\nfunction removeView(lContainer, removeIndex) {\n    var detachedView = detachView(lContainer, removeIndex);\n    detachedView && destroyLView(detachedView[TVIEW], detachedView);\n}\n/**\n * A standalone function which destroys an LView,\n * conducting clean up (e.g. removing listeners, calling onDestroys).\n *\n * @param tView The `TView' of the `LView` to be destroyed\n * @param lView The view to be destroyed.\n */\nfunction destroyLView(tView, lView) {\n    if (!(lView[FLAGS] & 256 /* Destroyed */)) {\n        var renderer = lView[RENDERER];\n        if (isProceduralRenderer(renderer) && renderer.destroyNode) {\n            applyView(tView, lView, renderer, 3 /* Destroy */, null, null);\n        }\n        destroyViewTree(lView);\n    }\n}\n/**\n * Determines which LViewOrLContainer to jump to when traversing back up the\n * tree in destroyViewTree.\n *\n * Normally, the view's parent LView should be checked, but in the case of\n * embedded views, the container (which is the view node's parent, but not the\n * LView's parent) needs to be checked for a possible next property.\n *\n * @param lViewOrLContainer The LViewOrLContainer for which we need a parent state\n * @param rootView The rootView, so we don't propagate too far up the view tree\n * @returns The correct parent LViewOrLContainer\n */\nfunction getParentState(lViewOrLContainer, rootView) {\n    var tNode;\n    if (isLView(lViewOrLContainer) && (tNode = lViewOrLContainer[T_HOST]) &&\n        tNode.type === 2 /* View */) {\n        // if it's an embedded view, the state needs to go up to the container, in case the\n        // container has a next\n        return getLContainer(tNode, lViewOrLContainer);\n    }\n    else {\n        // otherwise, use parent view for containers or component views\n        return lViewOrLContainer[PARENT] === rootView ? null : lViewOrLContainer[PARENT];\n    }\n}\n/**\n * Calls onDestroys hooks for all directives and pipes in a given view and then removes all\n * listeners. Listeners are removed as the last step so events delivered in the onDestroys hooks\n * can be propagated to @Output listeners.\n *\n * @param tView `TView` for the `LView` to clean up.\n * @param lView The LView to clean up\n */\nfunction cleanUpView(tView, lView) {\n    if (!(lView[FLAGS] & 256 /* Destroyed */)) {\n        // Usually the Attached flag is removed when the view is detached from its parent, however\n        // if it's a root view, the flag won't be unset hence why we're also removing on destroy.\n        lView[FLAGS] &= ~128 /* Attached */;\n        // Mark the LView as destroyed *before* executing the onDestroy hooks. An onDestroy hook\n        // runs arbitrary user code, which could include its own `viewRef.destroy()` (or similar). If\n        // We don't flag the view as destroyed before the hooks, this could lead to an infinite loop.\n        // This also aligns with the ViewEngine behavior. It also means that the onDestroy hook is\n        // really more of an \"afterDestroy\" hook if you think about it.\n        lView[FLAGS] |= 256 /* Destroyed */;\n        executeOnDestroys(tView, lView);\n        removeListeners(tView, lView);\n        var hostTNode = lView[T_HOST];\n        // For component views only, the local renderer is destroyed as clean up time.\n        if (hostTNode && hostTNode.type === 3 /* Element */ &&\n            isProceduralRenderer(lView[RENDERER])) {\n            ngDevMode && ngDevMode.rendererDestroy++;\n            lView[RENDERER].destroy();\n        }\n        var declarationContainer = lView[DECLARATION_LCONTAINER];\n        // we are dealing with an embedded view that is still inserted into a container\n        if (declarationContainer !== null && isLContainer(lView[PARENT])) {\n            // and this is a projected view\n            if (declarationContainer !== lView[PARENT]) {\n                detachMovedView(declarationContainer, lView);\n            }\n            // For embedded views still attached to a container: remove query result from this view.\n            var lQueries = lView[QUERIES];\n            if (lQueries !== null) {\n                lQueries.detachView(tView);\n            }\n        }\n    }\n}\n/** Removes listeners and unsubscribes from output subscriptions */\nfunction removeListeners(tView, lView) {\n    var tCleanup = tView.cleanup;\n    if (tCleanup !== null) {\n        var lCleanup = lView[CLEANUP];\n        for (var i = 0; i < tCleanup.length - 1; i += 2) {\n            if (typeof tCleanup[i] === 'string') {\n                // This is a native DOM listener\n                var idxOrTargetGetter = tCleanup[i + 1];\n                var target = typeof idxOrTargetGetter === 'function' ?\n                    idxOrTargetGetter(lView) :\n                    unwrapRNode(lView[idxOrTargetGetter]);\n                var listener = lCleanup[tCleanup[i + 2]];\n                var useCaptureOrSubIdx = tCleanup[i + 3];\n                if (typeof useCaptureOrSubIdx === 'boolean') {\n                    // native DOM listener registered with Renderer3\n                    target.removeEventListener(tCleanup[i], listener, useCaptureOrSubIdx);\n                }\n                else {\n                    if (useCaptureOrSubIdx >= 0) {\n                        // unregister\n                        lCleanup[useCaptureOrSubIdx]();\n                    }\n                    else {\n                        // Subscription\n                        lCleanup[-useCaptureOrSubIdx].unsubscribe();\n                    }\n                }\n                i += 2;\n            }\n            else {\n                // This is a cleanup function that is grouped with the index of its context\n                var context = lCleanup[tCleanup[i + 1]];\n                tCleanup[i].call(context);\n            }\n        }\n        lView[CLEANUP] = null;\n    }\n}\n/** Calls onDestroy hooks for this view */\nfunction executeOnDestroys(tView, lView) {\n    var destroyHooks;\n    if (tView != null && (destroyHooks = tView.destroyHooks) != null) {\n        for (var i = 0; i < destroyHooks.length; i += 2) {\n            var context = lView[destroyHooks[i]];\n            // Only call the destroy hook if the context has been requested.\n            if (!(context instanceof NodeInjectorFactory)) {\n                destroyHooks[i + 1].call(context);\n            }\n        }\n    }\n}\n/**\n * Returns a native element if a node can be inserted into the given parent.\n *\n * There are two reasons why we may not be able to insert a element immediately.\n * - Projection: When creating a child content element of a component, we have to skip the\n *   insertion because the content of a component will be projected.\n *   `<component><content>delayed due to projection</content></component>`\n * - Parent container is disconnected: This can happen when we are inserting a view into\n *   parent container, which itself is disconnected. For example the parent container is part\n *   of a View which has not be inserted or is made for projection but has not been inserted\n *   into destination.\n */\nfunction getRenderParent(tView, tNode, currentView) {\n    // Skip over element and ICU containers as those are represented by a comment node and\n    // can't be used as a render parent.\n    var parentTNode = tNode.parent;\n    while (parentTNode != null && (parentTNode.type === 4 /* ElementContainer */ ||\n        parentTNode.type === 5 /* IcuContainer */)) {\n        tNode = parentTNode;\n        parentTNode = tNode.parent;\n    }\n    // If the parent tNode is null, then we are inserting across views: either into an embedded view\n    // or a component view.\n    if (parentTNode == null) {\n        var hostTNode = currentView[T_HOST];\n        if (hostTNode.type === 2 /* View */) {\n            // We are inserting a root element of an embedded view We might delay insertion of children\n            // for a given view if it is disconnected. This might happen for 2 main reasons:\n            // - view is not inserted into any container(view was created but not inserted yet)\n            // - view is inserted into a container but the container itself is not inserted into the DOM\n            // (container might be part of projection or child of a view that is not inserted yet).\n            // In other words we can insert children of a given view if this view was inserted into a\n            // container and the container itself has its render parent determined.\n            return getContainerRenderParent(hostTNode, currentView);\n        }\n        else {\n            // We are inserting a root element of the component view into the component host element and\n            // it should always be eager.\n            ngDevMode && assertNodeOfPossibleTypes(hostTNode, 3 /* Element */);\n            return currentView[HOST];\n        }\n    }\n    else {\n        var isIcuCase = tNode && tNode.type === 5 /* IcuContainer */;\n        // If the parent of this node is an ICU container, then it is represented by comment node and we\n        // need to use it as an anchor. If it is projected then it's direct parent node is the renderer.\n        if (isIcuCase && tNode.flags & 4 /* isProjected */) {\n            return getNativeByTNode(tNode, currentView).parentNode;\n        }\n        ngDevMode && assertNodeType(parentTNode, 3 /* Element */);\n        if (parentTNode.flags & 2 /* isComponentHost */) {\n            var tData = tView.data;\n            var tNode_1 = tData[parentTNode.index];\n            var encapsulation = tData[tNode_1.directiveStart].encapsulation;\n            // We've got a parent which is an element in the current view. We just need to verify if the\n            // parent element is not a component. Component's content nodes are not inserted immediately\n            // because they will be projected, and so doing insert at this point would be wasteful.\n            // Since the projection would then move it to its final destination. Note that we can't\n            // make this assumption when using the Shadow DOM, because the native projection placeholders\n            // (<content> or <slot>) have to be in place as elements are being inserted.\n            if (encapsulation !== ViewEncapsulation$1.ShadowDom &&\n                encapsulation !== ViewEncapsulation$1.Native) {\n                return null;\n            }\n        }\n        return getNativeByTNode(parentTNode, currentView);\n    }\n}\n/**\n * Inserts a native node before another native node for a given parent using {@link Renderer3}.\n * This is a utility function that can be used when native nodes were determined - it abstracts an\n * actual renderer being used.\n */\nfunction nativeInsertBefore(renderer, parent, child, beforeNode) {\n    ngDevMode && ngDevMode.rendererInsertBefore++;\n    if (isProceduralRenderer(renderer)) {\n        renderer.insertBefore(parent, child, beforeNode);\n    }\n    else {\n        parent.insertBefore(child, beforeNode, true);\n    }\n}\nfunction nativeAppendChild(renderer, parent, child) {\n    ngDevMode && ngDevMode.rendererAppendChild++;\n    ngDevMode && assertDefined(parent, 'parent node must be defined');\n    if (isProceduralRenderer(renderer)) {\n        renderer.appendChild(parent, child);\n    }\n    else {\n        parent.appendChild(child);\n    }\n}\nfunction nativeAppendOrInsertBefore(renderer, parent, child, beforeNode) {\n    if (beforeNode !== null) {\n        nativeInsertBefore(renderer, parent, child, beforeNode);\n    }\n    else {\n        nativeAppendChild(renderer, parent, child);\n    }\n}\n/** Removes a node from the DOM given its native parent. */\nfunction nativeRemoveChild(renderer, parent, child, isHostElement) {\n    if (isProceduralRenderer(renderer)) {\n        renderer.removeChild(parent, child, isHostElement);\n    }\n    else {\n        parent.removeChild(child);\n    }\n}\n/**\n * Returns a native parent of a given native node.\n */\nfunction nativeParentNode(renderer, node) {\n    return (isProceduralRenderer(renderer) ? renderer.parentNode(node) : node.parentNode);\n}\n/**\n * Returns a native sibling of a given native node.\n */\nfunction nativeNextSibling(renderer, node) {\n    return isProceduralRenderer(renderer) ? renderer.nextSibling(node) : node.nextSibling;\n}\n/**\n * Finds a native \"anchor\" node for cases where we can't append a native child directly\n * (`appendChild`) and need to use a reference (anchor) node for the `insertBefore` operation.\n * @param parentTNode\n * @param lView\n */\nfunction getNativeAnchorNode(parentTNode, lView) {\n    if (parentTNode.type === 2 /* View */) {\n        var lContainer = getLContainer(parentTNode, lView);\n        if (lContainer === null)\n            return null;\n        var index = lContainer.indexOf(lView, CONTAINER_HEADER_OFFSET) - CONTAINER_HEADER_OFFSET;\n        return getBeforeNodeForView(index, lContainer);\n    }\n    else if (parentTNode.type === 4 /* ElementContainer */ ||\n        parentTNode.type === 5 /* IcuContainer */) {\n        return getNativeByTNode(parentTNode, lView);\n    }\n    return null;\n}\n/**\n * Appends the `child` native node (or a collection of nodes) to the `parent`.\n *\n * The element insertion might be delayed {@link canInsertNativeNode}.\n *\n * @param tView The `TView' to be appended\n * @param lView The current LView\n * @param childEl The native child (or children) that should be appended\n * @param childTNode The TNode of the child element\n * @returns Whether or not the child was appended\n */\nfunction appendChild(tView, lView, childEl, childTNode) {\n    var renderParent = getRenderParent(tView, childTNode, lView);\n    if (renderParent != null) {\n        var renderer = lView[RENDERER];\n        var parentTNode = childTNode.parent || lView[T_HOST];\n        var anchorNode = getNativeAnchorNode(parentTNode, lView);\n        if (Array.isArray(childEl)) {\n            for (var i = 0; i < childEl.length; i++) {\n                nativeAppendOrInsertBefore(renderer, renderParent, childEl[i], anchorNode);\n            }\n        }\n        else {\n            nativeAppendOrInsertBefore(renderer, renderParent, childEl, anchorNode);\n        }\n    }\n}\n/**\n * Returns the first native node for a given LView, starting from the provided TNode.\n *\n * Native nodes are returned in the order in which those appear in the native tree (DOM).\n */\nfunction getFirstNativeNode(lView, tNode) {\n    if (tNode !== null) {\n        ngDevMode && assertNodeOfPossibleTypes(tNode, 3 /* Element */, 0 /* Container */, 4 /* ElementContainer */, 5 /* IcuContainer */, 1 /* Projection */);\n        var tNodeType = tNode.type;\n        if (tNodeType === 3 /* Element */) {\n            return getNativeByTNode(tNode, lView);\n        }\n        else if (tNodeType === 0 /* Container */) {\n            return getBeforeNodeForView(-1, lView[tNode.index]);\n        }\n        else if (tNodeType === 4 /* ElementContainer */ || tNodeType === 5 /* IcuContainer */) {\n            var elIcuContainerChild = tNode.child;\n            if (elIcuContainerChild !== null) {\n                return getFirstNativeNode(lView, elIcuContainerChild);\n            }\n            else {\n                var rNodeOrLContainer = lView[tNode.index];\n                if (isLContainer(rNodeOrLContainer)) {\n                    return getBeforeNodeForView(-1, rNodeOrLContainer);\n                }\n                else {\n                    return unwrapRNode(rNodeOrLContainer);\n                }\n            }\n        }\n        else {\n            var componentView = lView[DECLARATION_COMPONENT_VIEW];\n            var componentHost = componentView[T_HOST];\n            var parentView = getLViewParent(componentView);\n            var firstProjectedTNode = componentHost.projection[tNode.projection];\n            if (firstProjectedTNode != null) {\n                return getFirstNativeNode(parentView, firstProjectedTNode);\n            }\n            else {\n                return getFirstNativeNode(lView, tNode.next);\n            }\n        }\n    }\n    return null;\n}\nfunction getBeforeNodeForView(viewIndexInContainer, lContainer) {\n    var nextViewIndex = CONTAINER_HEADER_OFFSET + viewIndexInContainer + 1;\n    if (nextViewIndex < lContainer.length) {\n        var lView = lContainer[nextViewIndex];\n        var firstTNodeOfView = lView[TVIEW].firstChild;\n        if (firstTNodeOfView !== null) {\n            return getFirstNativeNode(lView, firstTNodeOfView);\n        }\n    }\n    return lContainer[NATIVE];\n}\n/**\n * Removes a native node itself using a given renderer. To remove the node we are looking up its\n * parent from the native tree as not all platforms / browsers support the equivalent of\n * node.remove().\n *\n * @param renderer A renderer to be used\n * @param rNode The native node that should be removed\n * @param isHostElement A flag indicating if a node to be removed is a host of a component.\n */\nfunction nativeRemoveNode(renderer, rNode, isHostElement) {\n    var nativeParent = nativeParentNode(renderer, rNode);\n    if (nativeParent) {\n        nativeRemoveChild(renderer, nativeParent, rNode, isHostElement);\n    }\n}\n/**\n * Performs the operation of `action` on the node. Typically this involves inserting or removing\n * nodes on the LView or projection boundary.\n */\nfunction applyNodes(renderer, action, tNode, lView, renderParent, beforeNode, isProjection) {\n    while (tNode != null) {\n        ngDevMode && assertTNodeForLView(tNode, lView);\n        ngDevMode && assertNodeOfPossibleTypes(tNode, 0 /* Container */, 3 /* Element */, 4 /* ElementContainer */, 1 /* Projection */, 1 /* Projection */, 5 /* IcuContainer */);\n        var rawSlotValue = lView[tNode.index];\n        var tNodeType = tNode.type;\n        if (isProjection) {\n            if (action === 0 /* Create */) {\n                rawSlotValue && attachPatchData(unwrapRNode(rawSlotValue), lView);\n                tNode.flags |= 4 /* isProjected */;\n            }\n        }\n        if ((tNode.flags & 64 /* isDetached */) !== 64 /* isDetached */) {\n            if (tNodeType === 4 /* ElementContainer */ || tNodeType === 5 /* IcuContainer */) {\n                applyNodes(renderer, action, tNode.child, lView, renderParent, beforeNode, false);\n                applyToElementOrContainer(action, renderer, renderParent, rawSlotValue, beforeNode);\n            }\n            else if (tNodeType === 1 /* Projection */) {\n                applyProjectionRecursive(renderer, action, lView, tNode, renderParent, beforeNode);\n            }\n            else {\n                ngDevMode && assertNodeOfPossibleTypes(tNode, 3 /* Element */, 0 /* Container */);\n                applyToElementOrContainer(action, renderer, renderParent, rawSlotValue, beforeNode);\n            }\n        }\n        tNode = isProjection ? tNode.projectionNext : tNode.next;\n    }\n}\n/**\n * `applyView` performs operation on the view as specified in `action` (insert, detach, destroy)\n *\n * Inserting a view without projection or containers at top level is simple. Just iterate over the\n * root nodes of the View, and for each node perform the `action`.\n *\n * Things get more complicated with containers and projections. That is because coming across:\n * - Container: implies that we have to insert/remove/destroy the views of that container as well\n *              which in turn can have their own Containers at the View roots.\n * - Projection: implies that we have to insert/remove/destroy the nodes of the projection. The\n *               complication is that the nodes we are projecting can themselves have Containers\n *               or other Projections.\n *\n * As you can see this is a very recursive problem. Yes recursion is not most efficient but the\n * code is complicated enough that trying to implemented with recursion becomes unmaintainable.\n *\n * @param tView The `TView' which needs to be inserted, detached, destroyed\n * @param lView The LView which needs to be inserted, detached, destroyed.\n * @param renderer Renderer to use\n * @param action action to perform (insert, detach, destroy)\n * @param renderParent parent DOM element for insertion/removal.\n * @param beforeNode Before which node the insertions should happen.\n */\nfunction applyView(tView, lView, renderer, action, renderParent, beforeNode) {\n    ngDevMode && assertNodeType(tView.node, 2 /* View */);\n    var viewRootTNode = tView.node.child;\n    applyNodes(renderer, action, viewRootTNode, lView, renderParent, beforeNode, false);\n}\n/**\n * `applyProjection` performs operation on the projection.\n *\n * Inserting a projection requires us to locate the projected nodes from the parent component. The\n * complication is that those nodes themselves could be re-projected from their parent component.\n *\n * @param tView The `TView` of `LView` which needs to be inserted, detached, destroyed\n * @param lView The `LView` which needs to be inserted, detached, destroyed.\n * @param tProjectionNode node to project\n */\nfunction applyProjection(tView, lView, tProjectionNode) {\n    var renderer = lView[RENDERER];\n    var renderParent = getRenderParent(tView, tProjectionNode, lView);\n    var parentTNode = tProjectionNode.parent || lView[T_HOST];\n    var beforeNode = getNativeAnchorNode(parentTNode, lView);\n    applyProjectionRecursive(renderer, 0 /* Create */, lView, tProjectionNode, renderParent, beforeNode);\n}\n/**\n * `applyProjectionRecursive` performs operation on the projection specified by `action` (insert,\n * detach, destroy)\n *\n * Inserting a projection requires us to locate the projected nodes from the parent component. The\n * complication is that those nodes themselves could be re-projected from their parent component.\n *\n * @param renderer Render to use\n * @param action action to perform (insert, detach, destroy)\n * @param lView The LView which needs to be inserted, detached, destroyed.\n * @param tProjectionNode node to project\n * @param renderParent parent DOM element for insertion/removal.\n * @param beforeNode Before which node the insertions should happen.\n */\nfunction applyProjectionRecursive(renderer, action, lView, tProjectionNode, renderParent, beforeNode) {\n    var componentLView = lView[DECLARATION_COMPONENT_VIEW];\n    var componentNode = componentLView[T_HOST];\n    ngDevMode &&\n        assertEqual(typeof tProjectionNode.projection, 'number', 'expecting projection index');\n    var nodeToProjectOrRNodes = componentNode.projection[tProjectionNode.projection];\n    if (Array.isArray(nodeToProjectOrRNodes)) {\n        // This should not exist, it is a bit of a hack. When we bootstrap a top level node and we\n        // need to support passing projectable nodes, so we cheat and put them in the TNode\n        // of the Host TView. (Yes we put instance info at the T Level). We can get away with it\n        // because we know that that TView is not shared and therefore it will not be a problem.\n        // This should be refactored and cleaned up.\n        for (var i = 0; i < nodeToProjectOrRNodes.length; i++) {\n            var rNode = nodeToProjectOrRNodes[i];\n            applyToElementOrContainer(action, renderer, renderParent, rNode, beforeNode);\n        }\n    }\n    else {\n        var nodeToProject = nodeToProjectOrRNodes;\n        var projectedComponentLView = componentLView[PARENT];\n        applyNodes(renderer, action, nodeToProject, projectedComponentLView, renderParent, beforeNode, true);\n    }\n}\n/**\n * `applyContainer` performs an operation on the container and its views as specified by\n * `action` (insert, detach, destroy)\n *\n * Inserting a Container is complicated by the fact that the container may have Views which\n * themselves have containers or projections.\n *\n * @param renderer Renderer to use\n * @param action action to perform (insert, detach, destroy)\n * @param lContainer The LContainer which needs to be inserted, detached, destroyed.\n * @param renderParent parent DOM element for insertion/removal.\n * @param beforeNode Before which node the insertions should happen.\n */\nfunction applyContainer(renderer, action, lContainer, renderParent, beforeNode) {\n    ngDevMode && assertLContainer(lContainer);\n    var anchor = lContainer[NATIVE]; // LContainer has its own before node.\n    var native = unwrapRNode(lContainer);\n    // An LContainer can be created dynamically on any node by injecting ViewContainerRef.\n    // Asking for a ViewContainerRef on an element will result in a creation of a separate anchor node\n    // (comment in the DOM) that will be different from the LContainer's host node. In this particular\n    // case we need to execute action on 2 nodes:\n    // - container's host node (this is done in the executeActionOnElementOrContainer)\n    // - container's host node (this is done here)\n    if (anchor !== native) {\n        // This is very strange to me (Misko). I would expect that the native is same as anchor. I don't\n        // see a reason why they should be different, but they are.\n        //\n        // If they are we need to process the second anchor as well.\n        applyToElementOrContainer(action, renderer, renderParent, anchor, beforeNode);\n    }\n    for (var i = CONTAINER_HEADER_OFFSET; i < lContainer.length; i++) {\n        var lView = lContainer[i];\n        applyView(lView[TVIEW], lView, renderer, action, renderParent, anchor);\n    }\n}\n/**\n * Writes class/style to element.\n *\n * @param renderer Renderer to use.\n * @param isClassBased `true` if it should be written to `class` (`false` to write to `style`)\n * @param rNode The Node to write to.\n * @param prop Property to write to. This would be the class/style name.\n * @param value Value to write. If `null`/`undefined`/`false` this is considered a remove (set/add\n *        otherwise).\n */\nfunction applyStyling(renderer, isClassBased, rNode, prop, value) {\n    var isProcedural = isProceduralRenderer(renderer);\n    if (isClassBased) {\n        // We actually want JS true/false here because any truthy value should add the class\n        if (!value) {\n            ngDevMode && ngDevMode.rendererRemoveClass++;\n            if (isProcedural) {\n                renderer.removeClass(rNode, prop);\n            }\n            else {\n                rNode.classList.remove(prop);\n            }\n        }\n        else {\n            ngDevMode && ngDevMode.rendererAddClass++;\n            if (isProcedural) {\n                renderer.addClass(rNode, prop);\n            }\n            else {\n                ngDevMode && assertDefined(rNode.classList, 'HTMLElement expected');\n                rNode.classList.add(prop);\n            }\n        }\n    }\n    else {\n        // TODO(misko): Can't import RendererStyleFlags2.DashCase as it causes imports to be resolved in\n        // different order which causes failures. Using direct constant as workaround for now.\n        var flags = prop.indexOf('-') == -1 ? undefined : 2 /* RendererStyleFlags2.DashCase */;\n        if (value == null /** || value === undefined */) {\n            ngDevMode && ngDevMode.rendererRemoveStyle++;\n            if (isProcedural) {\n                renderer.removeStyle(rNode, prop, flags);\n            }\n            else {\n                rNode.style.removeProperty(prop);\n            }\n        }\n        else {\n            ngDevMode && ngDevMode.rendererSetStyle++;\n            if (isProcedural) {\n                renderer.setStyle(rNode, prop, value, flags);\n            }\n            else {\n                ngDevMode && assertDefined(rNode.style, 'HTMLElement expected');\n                rNode.style.setProperty(prop, value);\n            }\n        }\n    }\n}\n/**\n * Write `cssText` to `RElement`.\n *\n * This function does direct write without any reconciliation. Used for writing initial values, so\n * that static styling values do not pull in the style parser.\n *\n * @param renderer Renderer to use\n * @param element The element which needs to be updated.\n * @param newValue The new class list to write.\n */\nfunction writeDirectStyle(renderer, element, newValue) {\n    ngDevMode && assertString(newValue, '\\'newValue\\' should be a string');\n    if (isProceduralRenderer(renderer)) {\n        renderer.setAttribute(element, 'style', newValue);\n    }\n    else {\n        element.style.cssText = newValue;\n    }\n    ngDevMode && ngDevMode.rendererSetStyle++;\n}\n/**\n * Write `className` to `RElement`.\n *\n * This function does direct write without any reconciliation. Used for writing initial values, so\n * that static styling values do not pull in the style parser.\n *\n * @param renderer Renderer to use\n * @param element The element which needs to be updated.\n * @param newValue The new class list to write.\n */\nfunction writeDirectClass(renderer, element, newValue) {\n    ngDevMode && assertString(newValue, '\\'newValue\\' should be a string');\n    if (isProceduralRenderer(renderer)) {\n        if (newValue === '') {\n            // There are tests in `google3` which expect `element.getAttribute('class')` to be `null`.\n            renderer.removeAttribute(element, 'class');\n        }\n        else {\n            renderer.setAttribute(element, 'class', newValue);\n        }\n    }\n    else {\n        element.className = newValue;\n    }\n    ngDevMode && ngDevMode.rendererSetClassName++;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * If `startTNode.parent` exists and has an injector, returns TNode for that injector.\n * Otherwise, unwraps a parent injector location number to find the view offset from the current\n * injector, then walks up the declaration view tree until the TNode of the parent injector is\n * found.\n *\n * @param location The location of the parent injector, which contains the view offset\n * @param startView The LView instance from which to start walking up the view tree\n * @param startTNode The TNode instance of the starting element\n * @returns The TNode of the parent injector\n */\nfunction getParentInjectorTNode(location, startView, startTNode) {\n    // If there is an injector on the parent TNode, retrieve the TNode for that injector.\n    if (startTNode.parent && startTNode.parent.injectorIndex !== -1) {\n        // view offset is 0\n        var injectorIndex = startTNode.parent.injectorIndex;\n        var tNode = startTNode.parent;\n        // If tNode.injectorIndex === tNode.parent.injectorIndex, then the index belongs to a parent\n        // injector.\n        while (tNode.parent != null && injectorIndex == tNode.parent.injectorIndex) {\n            tNode = tNode.parent;\n        }\n        return tNode;\n    }\n    var viewOffset = getParentInjectorViewOffset(location);\n    // view offset is 1\n    var parentView = startView;\n    var parentTNode = startView[T_HOST];\n    // view offset is superior to 1\n    while (viewOffset > 1) {\n        parentView = parentView[DECLARATION_VIEW];\n        parentTNode = parentView[T_HOST];\n        viewOffset--;\n    }\n    return parentTNode;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ViewRef = /** @class */ (function () {\n    function ViewRef(\n    /**\n     * This represents `LView` associated with the component when ViewRef is a ChangeDetectorRef.\n     *\n     * When ViewRef is created for a dynamic component, this also represents the `LView` for the\n     * component.\n     *\n     * For a \"regular\" ViewRef created for an embedded view, this is the `LView` for the embedded\n     * view.\n     *\n     * @internal\n     */\n    _lView, \n    /**\n     * This represents the `LView` associated with the point where `ChangeDetectorRef` was\n     * requested.\n     *\n     * This may be different from `_lView` if the `_cdRefInjectingView` is an embedded view.\n     */\n    _cdRefInjectingView) {\n        this._lView = _lView;\n        this._cdRefInjectingView = _cdRefInjectingView;\n        this._appRef = null;\n        this._viewContainerRef = null;\n        /**\n         * @internal\n         */\n        this._tViewNode = null;\n    }\n    Object.defineProperty(ViewRef.prototype, \"rootNodes\", {\n        get: function () {\n            var lView = this._lView;\n            if (lView[HOST] == null) {\n                var hostTView = lView[T_HOST];\n                return collectNativeNodes(lView[TVIEW], lView, hostTView.child, []);\n            }\n            return [];\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ViewRef.prototype, \"context\", {\n        get: function () { return this._lView[CONTEXT]; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ViewRef.prototype, \"destroyed\", {\n        get: function () {\n            return (this._lView[FLAGS] & 256 /* Destroyed */) === 256 /* Destroyed */;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    ViewRef.prototype.destroy = function () {\n        if (this._appRef) {\n            this._appRef.detachView(this);\n        }\n        else if (this._viewContainerRef) {\n            var index = this._viewContainerRef.indexOf(this);\n            if (index > -1) {\n                this._viewContainerRef.detach(index);\n            }\n            this._viewContainerRef = null;\n        }\n        destroyLView(this._lView[TVIEW], this._lView);\n    };\n    ViewRef.prototype.onDestroy = function (callback) { storeCleanupFn(this._lView[TVIEW], this._lView, callback); };\n    /**\n     * Marks a view and all of its ancestors dirty.\n     *\n     * It also triggers change detection by calling `scheduleTick` internally, which coalesces\n     * multiple `markForCheck` calls to into one change detection run.\n     *\n     * This can be used to ensure an {@link ChangeDetectionStrategy#OnPush OnPush} component is\n     * checked when it needs to be re-rendered but the two normal triggers haven't marked it\n     * dirty (i.e. inputs haven't changed and events haven't fired in the view).\n     *\n     * <!-- TODO: Add a link to a chapter on OnPush components -->\n     *\n     * @usageNotes\n     * ### Example\n     *\n     * ```typescript\n     * @Component({\n     *   selector: 'my-app',\n     *   template: `Number of ticks: {{numberOfTicks}}`\n     *   changeDetection: ChangeDetectionStrategy.OnPush,\n     * })\n     * class AppComponent {\n     *   numberOfTicks = 0;\n     *\n     *   constructor(private ref: ChangeDetectorRef) {\n     *     setInterval(() => {\n     *       this.numberOfTicks++;\n     *       // the following is required, otherwise the view will not be updated\n     *       this.ref.markForCheck();\n     *     }, 1000);\n     *   }\n     * }\n     * ```\n     */\n    ViewRef.prototype.markForCheck = function () { markViewDirty(this._cdRefInjectingView || this._lView); };\n    /**\n     * Detaches the view from the change detection tree.\n     *\n     * Detached views will not be checked during change detection runs until they are\n     * re-attached, even if they are dirty. `detach` can be used in combination with\n     * {@link ChangeDetectorRef#detectChanges detectChanges} to implement local change\n     * detection checks.\n     *\n     * <!-- TODO: Add a link to a chapter on detach/reattach/local digest -->\n     * <!-- TODO: Add a live demo once ref.detectChanges is merged into master -->\n     *\n     * @usageNotes\n     * ### Example\n     *\n     * The following example defines a component with a large list of readonly data.\n     * Imagine the data changes constantly, many times per second. For performance reasons,\n     * we want to check and update the list every five seconds. We can do that by detaching\n     * the component's change detector and doing a local check every five seconds.\n     *\n     * ```typescript\n     * class DataProvider {\n     *   // in a real application the returned data will be different every time\n     *   get data() {\n     *     return [1,2,3,4,5];\n     *   }\n     * }\n     *\n     * @Component({\n     *   selector: 'giant-list',\n     *   template: `\n     *     <li *ngFor=\"let d of dataProvider.data\">Data {{d}}</li>\n     *   `,\n     * })\n     * class GiantList {\n     *   constructor(private ref: ChangeDetectorRef, private dataProvider: DataProvider) {\n     *     ref.detach();\n     *     setInterval(() => {\n     *       this.ref.detectChanges();\n     *     }, 5000);\n     *   }\n     * }\n     *\n     * @Component({\n     *   selector: 'app',\n     *   providers: [DataProvider],\n     *   template: `\n     *     <giant-list><giant-list>\n     *   `,\n     * })\n     * class App {\n     * }\n     * ```\n     */\n    ViewRef.prototype.detach = function () { this._lView[FLAGS] &= ~128 /* Attached */; };\n    /**\n     * Re-attaches a view to the change detection tree.\n     *\n     * This can be used to re-attach views that were previously detached from the tree\n     * using {@link ChangeDetectorRef#detach detach}. Views are attached to the tree by default.\n     *\n     * <!-- TODO: Add a link to a chapter on detach/reattach/local digest -->\n     *\n     * @usageNotes\n     * ### Example\n     *\n     * The following example creates a component displaying `live` data. The component will detach\n     * its change detector from the main change detector tree when the component's live property\n     * is set to false.\n     *\n     * ```typescript\n     * class DataProvider {\n     *   data = 1;\n     *\n     *   constructor() {\n     *     setInterval(() => {\n     *       this.data = this.data * 2;\n     *     }, 500);\n     *   }\n     * }\n     *\n     * @Component({\n     *   selector: 'live-data',\n     *   inputs: ['live'],\n     *   template: 'Data: {{dataProvider.data}}'\n     * })\n     * class LiveData {\n     *   constructor(private ref: ChangeDetectorRef, private dataProvider: DataProvider) {}\n     *\n     *   set live(value) {\n     *     if (value) {\n     *       this.ref.reattach();\n     *     } else {\n     *       this.ref.detach();\n     *     }\n     *   }\n     * }\n     *\n     * @Component({\n     *   selector: 'my-app',\n     *   providers: [DataProvider],\n     *   template: `\n     *     Live Update: <input type=\"checkbox\" [(ngModel)]=\"live\">\n     *     <live-data [live]=\"live\"><live-data>\n     *   `,\n     * })\n     * class AppComponent {\n     *   live = true;\n     * }\n     * ```\n     */\n    ViewRef.prototype.reattach = function () { this._lView[FLAGS] |= 128 /* Attached */; };\n    /**\n     * Checks the view and its children.\n     *\n     * This can also be used in combination with {@link ChangeDetectorRef#detach detach} to implement\n     * local change detection checks.\n     *\n     * <!-- TODO: Add a link to a chapter on detach/reattach/local digest -->\n     * <!-- TODO: Add a live demo once ref.detectChanges is merged into master -->\n     *\n     * @usageNotes\n     * ### Example\n     *\n     * The following example defines a component with a large list of readonly data.\n     * Imagine, the data changes constantly, many times per second. For performance reasons,\n     * we want to check and update the list every five seconds.\n     *\n     * We can do that by detaching the component's change detector and doing a local change detection\n     * check every five seconds.\n     *\n     * See {@link ChangeDetectorRef#detach detach} for more information.\n     */\n    ViewRef.prototype.detectChanges = function () { detectChangesInternal(this._lView[TVIEW], this._lView, this.context); };\n    /**\n     * Checks the change detector and its children, and throws if any changes are detected.\n     *\n     * This is used in development mode to verify that running change detection doesn't\n     * introduce other changes.\n     */\n    ViewRef.prototype.checkNoChanges = function () { checkNoChangesInternal(this._lView[TVIEW], this._lView, this.context); };\n    ViewRef.prototype.attachToViewContainerRef = function (vcRef) {\n        if (this._appRef) {\n            throw new Error('This view is already attached directly to the ApplicationRef!');\n        }\n        this._viewContainerRef = vcRef;\n    };\n    ViewRef.prototype.detachFromAppRef = function () {\n        this._appRef = null;\n        renderDetachView(this._lView[TVIEW], this._lView);\n    };\n    ViewRef.prototype.attachToAppRef = function (appRef) {\n        if (this._viewContainerRef) {\n            throw new Error('This view is already attached to a ViewContainer!');\n        }\n        this._appRef = appRef;\n    };\n    return ViewRef;\n}());\n/** @internal */\nvar RootViewRef = /** @class */ (function (_super) {\n    __extends(RootViewRef, _super);\n    function RootViewRef(_view) {\n        var _this = _super.call(this, _view) || this;\n        _this._view = _view;\n        return _this;\n    }\n    RootViewRef.prototype.detectChanges = function () { detectChangesInRootView(this._view); };\n    RootViewRef.prototype.checkNoChanges = function () { checkNoChangesInRootView(this._view); };\n    Object.defineProperty(RootViewRef.prototype, \"context\", {\n        get: function () { return null; },\n        enumerable: true,\n        configurable: true\n    });\n    return RootViewRef;\n}(ViewRef));\nfunction collectNativeNodes(tView, lView, tNode, result, isProjection) {\n    if (isProjection === void 0) { isProjection = false; }\n    while (tNode !== null) {\n        ngDevMode && assertNodeOfPossibleTypes(tNode, 3 /* Element */, 0 /* Container */, 1 /* Projection */, 4 /* ElementContainer */, 5 /* IcuContainer */);\n        var lNode = lView[tNode.index];\n        if (lNode !== null) {\n            result.push(unwrapRNode(lNode));\n        }\n        // A given lNode can represent either a native node or a LContainer (when it is a host of a\n        // ViewContainerRef). When we find a LContainer we need to descend into it to collect root nodes\n        // from the views in this container.\n        if (isLContainer(lNode)) {\n            for (var i = CONTAINER_HEADER_OFFSET; i < lNode.length; i++) {\n                var lViewInAContainer = lNode[i];\n                var lViewFirstChildTNode = lViewInAContainer[TVIEW].firstChild;\n                if (lViewFirstChildTNode !== null) {\n                    collectNativeNodes(lViewInAContainer[TVIEW], lViewInAContainer, lViewFirstChildTNode, result);\n                }\n            }\n        }\n        var tNodeType = tNode.type;\n        if (tNodeType === 4 /* ElementContainer */ || tNodeType === 5 /* IcuContainer */) {\n            collectNativeNodes(tView, lView, tNode.child, result);\n        }\n        else if (tNodeType === 1 /* Projection */) {\n            var componentView = lView[DECLARATION_COMPONENT_VIEW];\n            var componentHost = componentView[T_HOST];\n            var parentView = getLViewParent(componentView);\n            var firstProjectedNode = componentHost.projection[tNode.projection];\n            if (firstProjectedNode !== null && parentView !== null) {\n                collectNativeNodes(parentView[TVIEW], parentView, firstProjectedNode, result, true);\n            }\n        }\n        tNode = isProjection ? tNode.projectionNext : tNode.next;\n    }\n    return result;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Creates an ElementRef from the most recent node.\n *\n * @returns The ElementRef instance to use\n */\nfunction injectElementRef(ElementRefToken) {\n    return createElementRef(ElementRefToken, getPreviousOrParentTNode(), getLView());\n}\nvar R3ElementRef;\n/**\n * Creates an ElementRef given a node.\n *\n * @param ElementRefToken The ElementRef type\n * @param tNode The node for which you'd like an ElementRef\n * @param view The view to which the node belongs\n * @returns The ElementRef instance to use\n */\nfunction createElementRef(ElementRefToken, tNode, view) {\n    if (!R3ElementRef) {\n        R3ElementRef = /** @class */ (function (_super) {\n            __extends(ElementRef, _super);\n            function ElementRef() {\n                return _super !== null && _super.apply(this, arguments) || this;\n            }\n            return ElementRef;\n        }(ElementRefToken));\n    }\n    return new R3ElementRef(getNativeByTNode(tNode, view));\n}\nvar R3TemplateRef;\n/**\n * Creates a TemplateRef given a node.\n *\n * @returns The TemplateRef instance to use\n */\nfunction injectTemplateRef(TemplateRefToken, ElementRefToken) {\n    return createTemplateRef(TemplateRefToken, ElementRefToken, getPreviousOrParentTNode(), getLView());\n}\n/**\n * Creates a TemplateRef and stores it on the injector.\n *\n * @param TemplateRefToken The TemplateRef type\n * @param ElementRefToken The ElementRef type\n * @param hostTNode The node on which a TemplateRef is requested\n * @param hostView The view to which the node belongs\n * @returns The TemplateRef instance or null if we can't create a TemplateRef on a given node type\n */\nfunction createTemplateRef(TemplateRefToken, ElementRefToken, hostTNode, hostView) {\n    if (!R3TemplateRef) {\n        R3TemplateRef = /** @class */ (function (_super) {\n            __extends(TemplateRef, _super);\n            function TemplateRef(_declarationView, _declarationTContainer, elementRef) {\n                var _this = _super.call(this) || this;\n                _this._declarationView = _declarationView;\n                _this._declarationTContainer = _declarationTContainer;\n                _this.elementRef = elementRef;\n                return _this;\n            }\n            TemplateRef.prototype.createEmbeddedView = function (context) {\n                var embeddedTView = this._declarationTContainer.tViews;\n                var embeddedLView = createLView(this._declarationView, embeddedTView, context, 16 /* CheckAlways */, null, embeddedTView.node);\n                var declarationLContainer = this._declarationView[this._declarationTContainer.index];\n                ngDevMode && assertLContainer(declarationLContainer);\n                embeddedLView[DECLARATION_LCONTAINER] = declarationLContainer;\n                var declarationViewLQueries = this._declarationView[QUERIES];\n                if (declarationViewLQueries !== null) {\n                    embeddedLView[QUERIES] = declarationViewLQueries.createEmbeddedView(embeddedTView);\n                }\n                renderView(embeddedTView, embeddedLView, context);\n                var viewRef = new ViewRef(embeddedLView);\n                viewRef._tViewNode = embeddedLView[T_HOST];\n                return viewRef;\n            };\n            return TemplateRef;\n        }(TemplateRefToken));\n    }\n    if (hostTNode.type === 0 /* Container */) {\n        ngDevMode && assertDefined(hostTNode.tViews, 'TView must be allocated');\n        return new R3TemplateRef(hostView, hostTNode, createElementRef(ElementRefToken, hostTNode, hostView));\n    }\n    else {\n        return null;\n    }\n}\nvar R3ViewContainerRef;\n/**\n * Creates a ViewContainerRef and stores it on the injector. Or, if the ViewContainerRef\n * already exists, retrieves the existing ViewContainerRef.\n *\n * @returns The ViewContainerRef instance to use\n */\nfunction injectViewContainerRef(ViewContainerRefToken, ElementRefToken) {\n    var previousTNode = getPreviousOrParentTNode();\n    return createContainerRef(ViewContainerRefToken, ElementRefToken, previousTNode, getLView());\n}\n/**\n * Creates a ViewContainerRef and stores it on the injector.\n *\n * @param ViewContainerRefToken The ViewContainerRef type\n * @param ElementRefToken The ElementRef type\n * @param hostTNode The node that is requesting a ViewContainerRef\n * @param hostView The view to which the node belongs\n * @returns The ViewContainerRef instance to use\n */\nfunction createContainerRef(ViewContainerRefToken, ElementRefToken, hostTNode, hostView) {\n    if (!R3ViewContainerRef) {\n        R3ViewContainerRef = /** @class */ (function (_super) {\n            __extends(ViewContainerRef, _super);\n            function ViewContainerRef(_lContainer, _hostTNode, _hostView) {\n                var _this = _super.call(this) || this;\n                _this._lContainer = _lContainer;\n                _this._hostTNode = _hostTNode;\n                _this._hostView = _hostView;\n                return _this;\n            }\n            Object.defineProperty(ViewContainerRef.prototype, \"element\", {\n                get: function () {\n                    return createElementRef(ElementRefToken, this._hostTNode, this._hostView);\n                },\n                enumerable: true,\n                configurable: true\n            });\n            Object.defineProperty(ViewContainerRef.prototype, \"injector\", {\n                get: function () { return new NodeInjector(this._hostTNode, this._hostView); },\n                enumerable: true,\n                configurable: true\n            });\n            Object.defineProperty(ViewContainerRef.prototype, \"parentInjector\", {\n                /** @deprecated No replacement */\n                get: function () {\n                    var parentLocation = getParentInjectorLocation(this._hostTNode, this._hostView);\n                    var parentView = getParentInjectorView(parentLocation, this._hostView);\n                    var parentTNode = getParentInjectorTNode(parentLocation, this._hostView, this._hostTNode);\n                    return !hasParentInjector(parentLocation) || parentTNode == null ?\n                        new NodeInjector(null, this._hostView) :\n                        new NodeInjector(parentTNode, parentView);\n                },\n                enumerable: true,\n                configurable: true\n            });\n            ViewContainerRef.prototype.clear = function () {\n                while (this.length > 0) {\n                    this.remove(this.length - 1);\n                }\n            };\n            ViewContainerRef.prototype.get = function (index) {\n                return this._lContainer[VIEW_REFS] !== null && this._lContainer[VIEW_REFS][index] || null;\n            };\n            Object.defineProperty(ViewContainerRef.prototype, \"length\", {\n                get: function () { return this._lContainer.length - CONTAINER_HEADER_OFFSET; },\n                enumerable: true,\n                configurable: true\n            });\n            ViewContainerRef.prototype.createEmbeddedView = function (templateRef, context, index) {\n                var viewRef = templateRef.createEmbeddedView(context || {});\n                this.insert(viewRef, index);\n                return viewRef;\n            };\n            ViewContainerRef.prototype.createComponent = function (componentFactory, index, injector, projectableNodes, ngModuleRef) {\n                var contextInjector = injector || this.parentInjector;\n                if (!ngModuleRef && componentFactory.ngModule == null && contextInjector) {\n                    // DO NOT REFACTOR. The code here used to have a `value || undefined` expression\n                    // which seems to cause internal google apps to fail. This is documented in the\n                    // following internal bug issue: go/b/142967802\n                    var result = contextInjector.get(NgModuleRef, null);\n                    if (result) {\n                        ngModuleRef = result;\n                    }\n                }\n                var componentRef = componentFactory.create(contextInjector, projectableNodes, undefined, ngModuleRef);\n                this.insert(componentRef.hostView, index);\n                return componentRef;\n            };\n            ViewContainerRef.prototype.insert = function (viewRef, index) {\n                var lView = viewRef._lView;\n                var tView = lView[TVIEW];\n                if (viewRef.destroyed) {\n                    throw new Error('Cannot insert a destroyed View in a ViewContainer!');\n                }\n                this.allocateContainerIfNeeded();\n                if (viewAttachedToContainer(lView)) {\n                    // If view is already attached, detach it first so we clean up references appropriately.\n                    var prevIdx = this.indexOf(viewRef);\n                    // A view might be attached either to this or a different container. The `prevIdx` for\n                    // those cases will be:\n                    // equal to -1 for views attached to this ViewContainerRef\n                    // >= 0 for views attached to a different ViewContainerRef\n                    if (prevIdx !== -1) {\n                        this.detach(prevIdx);\n                    }\n                    else {\n                        var prevLContainer = lView[PARENT];\n                        ngDevMode && assertEqual(isLContainer(prevLContainer), true, 'An attached view should have its PARENT point to a container.');\n                        // We need to re-create a R3ViewContainerRef instance since those are not stored on\n                        // LView (nor anywhere else).\n                        var prevVCRef = new R3ViewContainerRef(prevLContainer, prevLContainer[T_HOST], prevLContainer[PARENT]);\n                        prevVCRef.detach(prevVCRef.indexOf(viewRef));\n                    }\n                }\n                var adjustedIdx = this._adjustIndex(index);\n                insertView(tView, lView, this._lContainer, adjustedIdx);\n                var beforeNode = getBeforeNodeForView(adjustedIdx, this._lContainer);\n                addRemoveViewFromContainer(tView, lView, true, beforeNode);\n                viewRef.attachToViewContainerRef(this);\n                addToArray(this._lContainer[VIEW_REFS], adjustedIdx, viewRef);\n                return viewRef;\n            };\n            ViewContainerRef.prototype.move = function (viewRef, newIndex) {\n                if (viewRef.destroyed) {\n                    throw new Error('Cannot move a destroyed View in a ViewContainer!');\n                }\n                return this.insert(viewRef, newIndex);\n            };\n            ViewContainerRef.prototype.indexOf = function (viewRef) {\n                var viewRefsArr = this._lContainer[VIEW_REFS];\n                return viewRefsArr !== null ? viewRefsArr.indexOf(viewRef) : -1;\n            };\n            ViewContainerRef.prototype.remove = function (index) {\n                this.allocateContainerIfNeeded();\n                var adjustedIdx = this._adjustIndex(index, -1);\n                removeView(this._lContainer, adjustedIdx);\n                removeFromArray(this._lContainer[VIEW_REFS], adjustedIdx);\n            };\n            ViewContainerRef.prototype.detach = function (index) {\n                this.allocateContainerIfNeeded();\n                var adjustedIdx = this._adjustIndex(index, -1);\n                var view = detachView(this._lContainer, adjustedIdx);\n                var wasDetached = view && removeFromArray(this._lContainer[VIEW_REFS], adjustedIdx) != null;\n                return wasDetached ? new ViewRef(view) : null;\n            };\n            ViewContainerRef.prototype._adjustIndex = function (index, shift) {\n                if (shift === void 0) { shift = 0; }\n                if (index == null) {\n                    return this.length + shift;\n                }\n                if (ngDevMode) {\n                    assertGreaterThan(index, -1, \"ViewRef index must be positive, got \" + index);\n                    // +1 because it's legal to insert at the end.\n                    assertLessThan(index, this.length + 1 + shift, 'index');\n                }\n                return index;\n            };\n            ViewContainerRef.prototype.allocateContainerIfNeeded = function () {\n                if (this._lContainer[VIEW_REFS] === null) {\n                    this._lContainer[VIEW_REFS] = [];\n                }\n            };\n            return ViewContainerRef;\n        }(ViewContainerRefToken));\n    }\n    ngDevMode && assertNodeOfPossibleTypes(hostTNode, 0 /* Container */, 3 /* Element */, 4 /* ElementContainer */);\n    var lContainer;\n    var slotValue = hostView[hostTNode.index];\n    if (isLContainer(slotValue)) {\n        // If the host is a container, we don't need to create a new LContainer\n        lContainer = slotValue;\n        setLContainerActiveIndex(lContainer, -1 /* DYNAMIC_EMBEDDED_VIEWS_ONLY */);\n    }\n    else {\n        var commentNode = void 0;\n        // If the host is an element container, the native host element is guaranteed to be a\n        // comment and we can reuse that comment as anchor element for the new LContainer.\n        // The comment node in question is already part of the DOM structure so we don't need to append\n        // it again.\n        if (hostTNode.type === 4 /* ElementContainer */) {\n            commentNode = unwrapRNode(slotValue);\n        }\n        else {\n            ngDevMode && ngDevMode.rendererCreateComment++;\n            commentNode = hostView[RENDERER].createComment(ngDevMode ? 'container' : '');\n            // A `ViewContainerRef` can be injected by the root (topmost / bootstrapped) component. In\n            // this case we can't use TView / TNode data structures to insert container's marker node\n            // (both a parent of a comment node and the comment node itself are not part of any view). In\n            // this specific case we use low-level DOM manipulation to insert container's marker (comment)\n            // node.\n            if (isRootView(hostView)) {\n                var renderer = hostView[RENDERER];\n                var hostNative = getNativeByTNode(hostTNode, hostView);\n                var parentOfHostNative = nativeParentNode(renderer, hostNative);\n                nativeInsertBefore(renderer, parentOfHostNative, commentNode, nativeNextSibling(renderer, hostNative));\n            }\n            else {\n                appendChild(hostView[TVIEW], hostView, commentNode, hostTNode);\n            }\n        }\n        hostView[hostTNode.index] = lContainer =\n            createLContainer(slotValue, hostView, commentNode, hostTNode);\n        addToViewTree(hostView, lContainer);\n    }\n    return new R3ViewContainerRef(lContainer, hostTNode, hostView);\n}\n/** Returns a ChangeDetectorRef (a.k.a. a ViewRef) */\nfunction injectChangeDetectorRef(isPipe) {\n    if (isPipe === void 0) { isPipe = false; }\n    return createViewRef(getPreviousOrParentTNode(), getLView(), isPipe);\n}\n/**\n * Creates a ViewRef and stores it on the injector as ChangeDetectorRef (public alias).\n *\n * @param tNode The node that is requesting a ChangeDetectorRef\n * @param lView The view to which the node belongs\n * @param isPipe Whether the view is being injected into a pipe.\n * @returns The ChangeDetectorRef to use\n */\nfunction createViewRef(tNode, lView, isPipe) {\n    // `isComponentView` will be true for Component and Directives (but not for Pipes).\n    // See https://github.com/angular/angular/pull/33072 for proper fix\n    var isComponentView = !isPipe && isComponentHost(tNode);\n    if (isComponentView) {\n        // The LView represents the location where the component is declared.\n        // Instead we want the LView for the component View and so we need to look it up.\n        var componentView = getComponentLViewByIndex(tNode.index, lView); // look down\n        return new ViewRef(componentView, componentView);\n    }\n    else if (tNode.type === 3 /* Element */ || tNode.type === 0 /* Container */ ||\n        tNode.type === 4 /* ElementContainer */ || tNode.type === 5 /* IcuContainer */) {\n        // The LView represents the location where the injection is requested from.\n        // We need to locate the containing LView (in case where the `lView` is an embedded view)\n        var hostComponentView = lView[DECLARATION_COMPONENT_VIEW]; // look up\n        return new ViewRef(hostComponentView, lView);\n    }\n    return null;\n}\n/** Returns a Renderer2 (or throws when application was bootstrapped with Renderer3) */\nfunction getOrCreateRenderer2(view) {\n    var renderer = view[RENDERER];\n    if (isProceduralRenderer(renderer)) {\n        return renderer;\n    }\n    else {\n        throw new Error('Cannot inject Renderer2 when the application uses Renderer3!');\n    }\n}\n/** Injects a Renderer2 for the current component. */\nfunction injectRenderer2() {\n    // We need the Renderer to be based on the component that it's being injected into, however since\n    // DI happens before we've entered its view, `getLView` will return the parent view instead.\n    var lView = getLView();\n    var tNode = getPreviousOrParentTNode();\n    var nodeAtIndex = getComponentLViewByIndex(tNode.index, lView);\n    return getOrCreateRenderer2(isLView(nodeAtIndex) ? nodeAtIndex : lView);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Base class for Angular Views, provides change detection functionality.\n * A change-detection tree collects all views that are to be checked for changes.\n * Use the methods to add and remove views from the tree, initiate change-detection,\n * and explicitly mark views as _dirty_, meaning that they have changed and need to be rerendered.\n *\n * @usageNotes\n *\n * The following examples demonstrate how to modify default change-detection behavior\n * to perform explicit detection when needed.\n *\n * ### Use `markForCheck()` with `CheckOnce` strategy\n *\n * The following example sets the `OnPush` change-detection strategy for a component\n * (`CheckOnce`, rather than the default `CheckAlways`), then forces a second check\n * after an interval. See [live demo](http://plnkr.co/edit/GC512b?p=preview).\n *\n * <code-example path=\"core/ts/change_detect/change-detection.ts\"\n * region=\"mark-for-check\"></code-example>\n *\n * ### Detach change detector to limit how often check occurs\n *\n * The following example defines a component with a large list of read-only data\n * that is expected to change constantly, many times per second.\n * To improve performance, we want to check and update the list\n * less often than the changes actually occur. To do that, we detach\n * the component's change detector and perform an explicit local check every five seconds.\n *\n * <code-example path=\"core/ts/change_detect/change-detection.ts\" region=\"detach\"></code-example>\n *\n *\n * ### Reattaching a detached component\n *\n * The following example creates a component displaying live data.\n * The component detaches its change detector from the main change detector tree\n * when the `live` property is set to false, and reattaches it when the property\n * becomes true.\n *\n * <code-example path=\"core/ts/change_detect/change-detection.ts\" region=\"reattach\"></code-example>\n *\n * @publicApi\n */\nvar ChangeDetectorRef = /** @class */ (function () {\n    function ChangeDetectorRef() {\n    }\n    /**\n     * @internal\n     * @nocollapse\n     */\n    ChangeDetectorRef.__NG_ELEMENT_ID__ = function () { return SWITCH_CHANGE_DETECTOR_REF_FACTORY(); };\n    return ChangeDetectorRef;\n}());\nvar SWITCH_CHANGE_DETECTOR_REF_FACTORY__POST_R3__ = injectChangeDetectorRef;\nvar SWITCH_CHANGE_DETECTOR_REF_FACTORY__PRE_R3__ = function () {\n    var args = [];\n    for (var _i = 0; _i < arguments.length; _i++) {\n        args[_i] = arguments[_i];\n    }\n};\nvar ɵ0$5 = SWITCH_CHANGE_DETECTOR_REF_FACTORY__PRE_R3__;\nvar SWITCH_CHANGE_DETECTOR_REF_FACTORY = SWITCH_CHANGE_DETECTOR_REF_FACTORY__PRE_R3__;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @description\n *\n * Represents a type that a Component or other object is instances of.\n *\n * An example of a `Type` is `MyCustomComponent` class, which in JavaScript is be represented by\n * the `MyCustomComponent` constructor function.\n *\n * @publicApi\n */\nvar Type = Function;\nfunction isType(v) {\n    return typeof v === 'function';\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Attention: These regex has to hold even if the code is minified!\n */\nvar DELEGATE_CTOR = /^function\\s+\\S+\\(\\)\\s*{[\\s\\S]+\\.apply\\(this,\\s*arguments\\)/;\nvar INHERITED_CLASS = /^class\\s+[A-Za-z\\d$_]*\\s*extends\\s+[^{]+{/;\nvar INHERITED_CLASS_WITH_CTOR = /^class\\s+[A-Za-z\\d$_]*\\s*extends\\s+[^{]+{[\\s\\S]*constructor\\s*\\(/;\nvar INHERITED_CLASS_WITH_DELEGATE_CTOR = /^class\\s+[A-Za-z\\d$_]*\\s*extends\\s+[^{]+{[\\s\\S]*constructor\\s*\\(\\)\\s*{\\s+super\\(\\.\\.\\.arguments\\)/;\n/**\n * Determine whether a stringified type is a class which delegates its constructor\n * to its parent.\n *\n * This is not trivial since compiled code can actually contain a constructor function\n * even if the original source code did not. For instance, when the child class contains\n * an initialized instance property.\n */\nfunction isDelegateCtor(typeStr) {\n    return DELEGATE_CTOR.test(typeStr) || INHERITED_CLASS_WITH_DELEGATE_CTOR.test(typeStr) ||\n        (INHERITED_CLASS.test(typeStr) && !INHERITED_CLASS_WITH_CTOR.test(typeStr));\n}\nvar ReflectionCapabilities = /** @class */ (function () {\n    function ReflectionCapabilities(reflect) {\n        this._reflect = reflect || _global['Reflect'];\n    }\n    ReflectionCapabilities.prototype.isReflectionEnabled = function () { return true; };\n    ReflectionCapabilities.prototype.factory = function (t) { return function () {\n        var args = [];\n        for (var _i = 0; _i < arguments.length; _i++) {\n            args[_i] = arguments[_i];\n        }\n        return new (t.bind.apply(t, __spread([void 0], args)))();\n    }; };\n    /** @internal */\n    ReflectionCapabilities.prototype._zipTypesAndAnnotations = function (paramTypes, paramAnnotations) {\n        var result;\n        if (typeof paramTypes === 'undefined') {\n            result = newArray(paramAnnotations.length);\n        }\n        else {\n            result = newArray(paramTypes.length);\n        }\n        for (var i = 0; i < result.length; i++) {\n            // TS outputs Object for parameters without types, while Traceur omits\n            // the annotations. For now we preserve the Traceur behavior to aid\n            // migration, but this can be revisited.\n            if (typeof paramTypes === 'undefined') {\n                result[i] = [];\n            }\n            else if (paramTypes[i] && paramTypes[i] != Object) {\n                result[i] = [paramTypes[i]];\n            }\n            else {\n                result[i] = [];\n            }\n            if (paramAnnotations && paramAnnotations[i] != null) {\n                result[i] = result[i].concat(paramAnnotations[i]);\n            }\n        }\n        return result;\n    };\n    ReflectionCapabilities.prototype._ownParameters = function (type, parentCtor) {\n        var typeStr = type.toString();\n        // If we have no decorators, we only have function.length as metadata.\n        // In that case, to detect whether a child class declared an own constructor or not,\n        // we need to look inside of that constructor to check whether it is\n        // just calling the parent.\n        // This also helps to work around for https://github.com/Microsoft/TypeScript/issues/12439\n        // that sets 'design:paramtypes' to []\n        // if a class inherits from another class but has no ctor declared itself.\n        if (isDelegateCtor(typeStr)) {\n            return null;\n        }\n        // Prefer the direct API.\n        if (type.parameters && type.parameters !== parentCtor.parameters) {\n            return type.parameters;\n        }\n        // API of tsickle for lowering decorators to properties on the class.\n        var tsickleCtorParams = type.ctorParameters;\n        if (tsickleCtorParams && tsickleCtorParams !== parentCtor.ctorParameters) {\n            // Newer tsickle uses a function closure\n            // Retain the non-function case for compatibility with older tsickle\n            var ctorParameters = typeof tsickleCtorParams === 'function' ? tsickleCtorParams() : tsickleCtorParams;\n            var paramTypes_1 = ctorParameters.map(function (ctorParam) { return ctorParam && ctorParam.type; });\n            var paramAnnotations_1 = ctorParameters.map(function (ctorParam) {\n                return ctorParam && convertTsickleDecoratorIntoMetadata(ctorParam.decorators);\n            });\n            return this._zipTypesAndAnnotations(paramTypes_1, paramAnnotations_1);\n        }\n        // API for metadata created by invoking the decorators.\n        var paramAnnotations = type.hasOwnProperty(PARAMETERS) && type[PARAMETERS];\n        var paramTypes = this._reflect && this._reflect.getOwnMetadata &&\n            this._reflect.getOwnMetadata('design:paramtypes', type);\n        if (paramTypes || paramAnnotations) {\n            return this._zipTypesAndAnnotations(paramTypes, paramAnnotations);\n        }\n        // If a class has no decorators, at least create metadata\n        // based on function.length.\n        // Note: We know that this is a real constructor as we checked\n        // the content of the constructor above.\n        return newArray(type.length);\n    };\n    ReflectionCapabilities.prototype.parameters = function (type) {\n        // Note: only report metadata if we have at least one class decorator\n        // to stay in sync with the static reflector.\n        if (!isType(type)) {\n            return [];\n        }\n        var parentCtor = getParentCtor(type);\n        var parameters = this._ownParameters(type, parentCtor);\n        if (!parameters && parentCtor !== Object) {\n            parameters = this.parameters(parentCtor);\n        }\n        return parameters || [];\n    };\n    ReflectionCapabilities.prototype._ownAnnotations = function (typeOrFunc, parentCtor) {\n        // Prefer the direct API.\n        if (typeOrFunc.annotations && typeOrFunc.annotations !== parentCtor.annotations) {\n            var annotations = typeOrFunc.annotations;\n            if (typeof annotations === 'function' && annotations.annotations) {\n                annotations = annotations.annotations;\n            }\n            return annotations;\n        }\n        // API of tsickle for lowering decorators to properties on the class.\n        if (typeOrFunc.decorators && typeOrFunc.decorators !== parentCtor.decorators) {\n            return convertTsickleDecoratorIntoMetadata(typeOrFunc.decorators);\n        }\n        // API for metadata created by invoking the decorators.\n        if (typeOrFunc.hasOwnProperty(ANNOTATIONS)) {\n            return typeOrFunc[ANNOTATIONS];\n        }\n        return null;\n    };\n    ReflectionCapabilities.prototype.annotations = function (typeOrFunc) {\n        if (!isType(typeOrFunc)) {\n            return [];\n        }\n        var parentCtor = getParentCtor(typeOrFunc);\n        var ownAnnotations = this._ownAnnotations(typeOrFunc, parentCtor) || [];\n        var parentAnnotations = parentCtor !== Object ? this.annotations(parentCtor) : [];\n        return parentAnnotations.concat(ownAnnotations);\n    };\n    ReflectionCapabilities.prototype._ownPropMetadata = function (typeOrFunc, parentCtor) {\n        // Prefer the direct API.\n        if (typeOrFunc.propMetadata &&\n            typeOrFunc.propMetadata !== parentCtor.propMetadata) {\n            var propMetadata = typeOrFunc.propMetadata;\n            if (typeof propMetadata === 'function' && propMetadata.propMetadata) {\n                propMetadata = propMetadata.propMetadata;\n            }\n            return propMetadata;\n        }\n        // API of tsickle for lowering decorators to properties on the class.\n        if (typeOrFunc.propDecorators &&\n            typeOrFunc.propDecorators !== parentCtor.propDecorators) {\n            var propDecorators_1 = typeOrFunc.propDecorators;\n            var propMetadata_1 = {};\n            Object.keys(propDecorators_1).forEach(function (prop) {\n                propMetadata_1[prop] = convertTsickleDecoratorIntoMetadata(propDecorators_1[prop]);\n            });\n            return propMetadata_1;\n        }\n        // API for metadata created by invoking the decorators.\n        if (typeOrFunc.hasOwnProperty(PROP_METADATA)) {\n            return typeOrFunc[PROP_METADATA];\n        }\n        return null;\n    };\n    ReflectionCapabilities.prototype.propMetadata = function (typeOrFunc) {\n        if (!isType(typeOrFunc)) {\n            return {};\n        }\n        var parentCtor = getParentCtor(typeOrFunc);\n        var propMetadata = {};\n        if (parentCtor !== Object) {\n            var parentPropMetadata_1 = this.propMetadata(parentCtor);\n            Object.keys(parentPropMetadata_1).forEach(function (propName) {\n                propMetadata[propName] = parentPropMetadata_1[propName];\n            });\n        }\n        var ownPropMetadata = this._ownPropMetadata(typeOrFunc, parentCtor);\n        if (ownPropMetadata) {\n            Object.keys(ownPropMetadata).forEach(function (propName) {\n                var decorators = [];\n                if (propMetadata.hasOwnProperty(propName)) {\n                    decorators.push.apply(decorators, __spread(propMetadata[propName]));\n                }\n                decorators.push.apply(decorators, __spread(ownPropMetadata[propName]));\n                propMetadata[propName] = decorators;\n            });\n        }\n        return propMetadata;\n    };\n    ReflectionCapabilities.prototype.ownPropMetadata = function (typeOrFunc) {\n        if (!isType(typeOrFunc)) {\n            return {};\n        }\n        return this._ownPropMetadata(typeOrFunc, getParentCtor(typeOrFunc)) || {};\n    };\n    ReflectionCapabilities.prototype.hasLifecycleHook = function (type, lcProperty) {\n        return type instanceof Type && lcProperty in type.prototype;\n    };\n    ReflectionCapabilities.prototype.guards = function (type) { return {}; };\n    ReflectionCapabilities.prototype.getter = function (name) { return new Function('o', 'return o.' + name + ';'); };\n    ReflectionCapabilities.prototype.setter = function (name) {\n        return new Function('o', 'v', 'return o.' + name + ' = v;');\n    };\n    ReflectionCapabilities.prototype.method = function (name) {\n        var functionBody = \"if (!o.\" + name + \") throw new Error('\\\"\" + name + \"\\\" is undefined');\\n        return o.\" + name + \".apply(o, args);\";\n        return new Function('o', 'args', functionBody);\n    };\n    // There is not a concept of import uri in Js, but this is useful in developing Dart applications.\n    ReflectionCapabilities.prototype.importUri = function (type) {\n        // StaticSymbol\n        if (typeof type === 'object' && type['filePath']) {\n            return type['filePath'];\n        }\n        // Runtime type\n        return \"./\" + stringify(type);\n    };\n    ReflectionCapabilities.prototype.resourceUri = function (type) { return \"./\" + stringify(type); };\n    ReflectionCapabilities.prototype.resolveIdentifier = function (name, moduleUrl, members, runtime) {\n        return runtime;\n    };\n    ReflectionCapabilities.prototype.resolveEnum = function (enumIdentifier, name) { return enumIdentifier[name]; };\n    return ReflectionCapabilities;\n}());\nfunction convertTsickleDecoratorIntoMetadata(decoratorInvocations) {\n    if (!decoratorInvocations) {\n        return [];\n    }\n    return decoratorInvocations.map(function (decoratorInvocation) {\n        var decoratorType = decoratorInvocation.type;\n        var annotationCls = decoratorType.annotationCls;\n        var annotationArgs = decoratorInvocation.args ? decoratorInvocation.args : [];\n        return new (annotationCls.bind.apply(annotationCls, __spread([void 0], annotationArgs)))();\n    });\n}\nfunction getParentCtor(ctor) {\n    var parentProto = ctor.prototype ? Object.getPrototypeOf(ctor.prototype) : null;\n    var parentCtor = parentProto ? parentProto.constructor : null;\n    // Note: We always use `Object` as the null value\n    // to simplify checking later on.\n    return parentCtor || Object;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar _reflect = null;\nfunction getReflect() {\n    return (_reflect = _reflect || new ReflectionCapabilities());\n}\nfunction reflectDependencies(type) {\n    return convertDependencies(getReflect().parameters(type));\n}\nfunction convertDependencies(deps) {\n    var compiler = getCompilerFacade();\n    return deps.map(function (dep) { return reflectDependency(compiler, dep); });\n}\nfunction reflectDependency(compiler, dep) {\n    var meta = {\n        token: null,\n        host: false,\n        optional: false,\n        resolved: compiler.R3ResolvedDependencyType.Token,\n        self: false,\n        skipSelf: false,\n    };\n    function setTokenAndResolvedType(token) {\n        meta.resolved = compiler.R3ResolvedDependencyType.Token;\n        meta.token = token;\n    }\n    if (Array.isArray(dep) && dep.length > 0) {\n        for (var j = 0; j < dep.length; j++) {\n            var param = dep[j];\n            if (param === undefined) {\n                // param may be undefined if type of dep is not set by ngtsc\n                continue;\n            }\n            var proto = Object.getPrototypeOf(param);\n            if (param instanceof Optional || proto.ngMetadataName === 'Optional') {\n                meta.optional = true;\n            }\n            else if (param instanceof SkipSelf || proto.ngMetadataName === 'SkipSelf') {\n                meta.skipSelf = true;\n            }\n            else if (param instanceof Self || proto.ngMetadataName === 'Self') {\n                meta.self = true;\n            }\n            else if (param instanceof Host || proto.ngMetadataName === 'Host') {\n                meta.host = true;\n            }\n            else if (param instanceof Inject) {\n                meta.token = param.token;\n            }\n            else if (param instanceof Attribute) {\n                if (param.attributeName === undefined) {\n                    throw new Error(\"Attribute name must be defined.\");\n                }\n                meta.token = param.attributeName;\n                meta.resolved = compiler.R3ResolvedDependencyType.Attribute;\n            }\n            else if (param === ChangeDetectorRef) {\n                meta.token = param;\n                meta.resolved = compiler.R3ResolvedDependencyType.ChangeDetectorRef;\n            }\n            else {\n                setTokenAndResolvedType(param);\n            }\n        }\n    }\n    else if (dep === undefined || (Array.isArray(dep) && dep.length === 0)) {\n        meta.token = undefined;\n        meta.resolved = R3ResolvedDependencyType.Invalid;\n    }\n    else {\n        setTokenAndResolvedType(dep);\n    }\n    return meta;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Compile an Angular injectable according to its `Injectable` metadata, and patch the resulting\n * injectable def (`ɵprov`) onto the injectable type.\n */\nfunction compileInjectable(type, srcMeta) {\n    var ngInjectableDef = null;\n    var ngFactoryDef = null;\n    // if NG_PROV_DEF is already defined on this class then don't overwrite it\n    if (!type.hasOwnProperty(NG_PROV_DEF)) {\n        Object.defineProperty(type, NG_PROV_DEF, {\n            get: function () {\n                if (ngInjectableDef === null) {\n                    ngInjectableDef = getCompilerFacade().compileInjectable(angularCoreDiEnv, \"ng:///\" + type.name + \"/\\u0275prov.js\", getInjectableMetadata(type, srcMeta));\n                }\n                return ngInjectableDef;\n            },\n        });\n        // On IE10 properties defined via `defineProperty` won't be inherited by child classes,\n        // which will break inheriting the injectable definition from a grandparent through an\n        // undecorated parent class. We work around it by defining a method which should be used\n        // as a fallback. This should only be a problem in JIT mode, because in AOT TypeScript\n        // seems to have a workaround for static properties. When inheriting from an undecorated\n        // parent is no longer supported in v10, this can safely be removed.\n        if (!type.hasOwnProperty(NG_PROV_DEF_FALLBACK)) {\n            type[NG_PROV_DEF_FALLBACK] = function () { return type[NG_PROV_DEF]; };\n        }\n    }\n    // if NG_FACTORY_DEF is already defined on this class then don't overwrite it\n    if (!type.hasOwnProperty(NG_FACTORY_DEF)) {\n        Object.defineProperty(type, NG_FACTORY_DEF, {\n            get: function () {\n                if (ngFactoryDef === null) {\n                    var metadata = getInjectableMetadata(type, srcMeta);\n                    var compiler = getCompilerFacade();\n                    ngFactoryDef = compiler.compileFactory(angularCoreDiEnv, \"ng:///\" + type.name + \"/\\u0275fac.js\", {\n                        name: metadata.name,\n                        type: metadata.type,\n                        typeArgumentCount: metadata.typeArgumentCount,\n                        deps: reflectDependencies(type),\n                        injectFn: 'inject',\n                        target: compiler.R3FactoryTarget.Pipe\n                    });\n                }\n                return ngFactoryDef;\n            },\n            // Leave this configurable so that the factories from directives or pipes can take precedence.\n            configurable: true\n        });\n    }\n}\nvar ɵ0$6 = getClosureSafeProperty;\nvar USE_VALUE$1 = getClosureSafeProperty({ provide: String, useValue: ɵ0$6 });\nfunction isUseClassProvider(meta) {\n    return meta.useClass !== undefined;\n}\nfunction isUseValueProvider(meta) {\n    return USE_VALUE$1 in meta;\n}\nfunction isUseFactoryProvider(meta) {\n    return meta.useFactory !== undefined;\n}\nfunction isUseExistingProvider(meta) {\n    return meta.useExisting !== undefined;\n}\nfunction getInjectableMetadata(type, srcMeta) {\n    // Allow the compilation of a class with a `@Injectable()` decorator without parameters\n    var meta = srcMeta || { providedIn: null };\n    var compilerMeta = {\n        name: type.name,\n        type: type,\n        typeArgumentCount: 0,\n        providedIn: meta.providedIn,\n        userDeps: undefined,\n    };\n    if ((isUseClassProvider(meta) || isUseFactoryProvider(meta)) && meta.deps !== undefined) {\n        compilerMeta.userDeps = convertDependencies(meta.deps);\n    }\n    if (isUseClassProvider(meta)) {\n        // The user explicitly specified useClass, and may or may not have provided deps.\n        compilerMeta.useClass = resolveForwardRef(meta.useClass);\n    }\n    else if (isUseValueProvider(meta)) {\n        // The user explicitly specified useValue.\n        compilerMeta.useValue = resolveForwardRef(meta.useValue);\n    }\n    else if (isUseFactoryProvider(meta)) {\n        // The user explicitly specified useFactory.\n        compilerMeta.useFactory = meta.useFactory;\n    }\n    else if (isUseExistingProvider(meta)) {\n        // The user explicitly specified useExisting.\n        compilerMeta.useExisting = resolveForwardRef(meta.useExisting);\n    }\n    return compilerMeta;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ɵ0$7 = getClosureSafeProperty;\nvar USE_VALUE$2 = getClosureSafeProperty({ provide: String, useValue: ɵ0$7 });\nvar EMPTY_ARRAY$1 = [];\nfunction convertInjectableProviderToFactory(type, provider) {\n    if (!provider) {\n        var reflectionCapabilities = new ReflectionCapabilities();\n        var deps_1 = reflectionCapabilities.parameters(type);\n        // TODO - convert to flags.\n        return function () { return new (type.bind.apply(type, __spread([void 0], injectArgs(deps_1))))(); };\n    }\n    if (USE_VALUE$2 in provider) {\n        var valueProvider_1 = provider;\n        return function () { return valueProvider_1.useValue; };\n    }\n    else if (provider.useExisting) {\n        var existingProvider_1 = provider;\n        return function () { return ɵɵinject(resolveForwardRef(existingProvider_1.useExisting)); };\n    }\n    else if (provider.useFactory) {\n        var factoryProvider_1 = provider;\n        return function () { return factoryProvider_1.useFactory.apply(factoryProvider_1, __spread(injectArgs(factoryProvider_1.deps || EMPTY_ARRAY$1))); };\n    }\n    else if (provider.useClass) {\n        var classProvider_1 = provider;\n        var deps_2 = provider.deps;\n        if (!deps_2) {\n            var reflectionCapabilities = new ReflectionCapabilities();\n            deps_2 = reflectionCapabilities.parameters(type);\n        }\n        return function () {\n            var _a;\n            return new ((_a = (resolveForwardRef(classProvider_1.useClass))).bind.apply(_a, __spread([void 0], injectArgs(deps_2))))();\n        };\n    }\n    else {\n        var deps_3 = provider.deps;\n        if (!deps_3) {\n            var reflectionCapabilities = new ReflectionCapabilities();\n            deps_3 = reflectionCapabilities.parameters(type);\n        }\n        return function () { return new (type.bind.apply(type, __spread([void 0], injectArgs(deps_3))))(); };\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ɵ0$8 = function (type, meta) { return SWITCH_COMPILE_INJECTABLE(type, meta); };\n/**\n * Injectable decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nvar Injectable = makeDecorator('Injectable', undefined, undefined, undefined, ɵ0$8);\n/**\n * Supports @Injectable() in JIT mode for Render2.\n */\nfunction render2CompileInjectable(injectableType, options) {\n    if (options && options.providedIn !== undefined && !getInjectableDef(injectableType)) {\n        injectableType.ɵprov = ɵɵdefineInjectable({\n            token: injectableType,\n            providedIn: options.providedIn,\n            factory: convertInjectableProviderToFactory(injectableType, options),\n        });\n    }\n}\nvar SWITCH_COMPILE_INJECTABLE__POST_R3__ = compileInjectable;\nvar SWITCH_COMPILE_INJECTABLE__PRE_R3__ = render2CompileInjectable;\nvar SWITCH_COMPILE_INJECTABLE = SWITCH_COMPILE_INJECTABLE__PRE_R3__;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * An internal token whose presence in an injector indicates that the injector should treat itself\n * as a root scoped injector when processing requests for unknown tokens which may indicate\n * they are provided in the root scope.\n */\nvar INJECTOR_SCOPE = new InjectionToken('Set Injector scope.');\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Marker which indicates that a value has not yet been created from the factory function.\n */\nvar NOT_YET = {};\n/**\n * Marker which indicates that the factory function for a token is in the process of being called.\n *\n * If the injector is asked to inject a token with its value set to CIRCULAR, that indicates\n * injection of a dependency has recursively attempted to inject the original token, and there is\n * a circular dependency among the providers.\n */\nvar CIRCULAR = {};\nvar EMPTY_ARRAY$2 = [];\n/**\n * A lazily initialized NullInjector.\n */\nvar NULL_INJECTOR = undefined;\nfunction getNullInjector() {\n    if (NULL_INJECTOR === undefined) {\n        NULL_INJECTOR = new NullInjector();\n    }\n    return NULL_INJECTOR;\n}\n/**\n * Create a new `Injector` which is configured using a `defType` of `InjectorType<any>`s.\n *\n * @publicApi\n */\nfunction createInjector(defType, parent, additionalProviders, name) {\n    if (parent === void 0) { parent = null; }\n    if (additionalProviders === void 0) { additionalProviders = null; }\n    parent = parent || getNullInjector();\n    return new R3Injector(defType, additionalProviders, parent, name);\n}\nvar R3Injector = /** @class */ (function () {\n    function R3Injector(def, additionalProviders, parent, source) {\n        var _this = this;\n        if (source === void 0) { source = null; }\n        this.parent = parent;\n        /**\n         * Map of tokens to records which contain the instances of those tokens.\n         * - `null` value implies that we don't have the record. Used by tree-shakable injectors\n         * to prevent further searches.\n         */\n        this.records = new Map();\n        /**\n         * The transitive set of `InjectorType`s which define this injector.\n         */\n        this.injectorDefTypes = new Set();\n        /**\n         * Set of values instantiated by this injector which contain `ngOnDestroy` lifecycle hooks.\n         */\n        this.onDestroy = new Set();\n        this._destroyed = false;\n        var dedupStack = [];\n        // Start off by creating Records for every provider declared in every InjectorType\n        // included transitively in additional providers then do the same for `def`. This order is\n        // important because `def` may include providers that override ones in additionalProviders.\n        additionalProviders && deepForEach(additionalProviders, function (provider) { return _this.processProvider(provider, def, additionalProviders); });\n        deepForEach([def], function (injectorDef) { return _this.processInjectorType(injectorDef, [], dedupStack); });\n        // Make sure the INJECTOR token provides this injector.\n        this.records.set(INJECTOR, makeRecord(undefined, this));\n        // Detect whether this injector has the APP_ROOT_SCOPE token and thus should provide\n        // any injectable scoped to APP_ROOT_SCOPE.\n        var record = this.records.get(INJECTOR_SCOPE);\n        this.scope = record != null ? record.value : null;\n        // Eagerly instantiate the InjectorType classes themselves.\n        this.injectorDefTypes.forEach(function (defType) { return _this.get(defType); });\n        // Source name, used for debugging\n        this.source = source || (typeof def === 'object' ? null : stringify(def));\n    }\n    Object.defineProperty(R3Injector.prototype, \"destroyed\", {\n        /**\n         * Flag indicating that this injector was previously destroyed.\n         */\n        get: function () { return this._destroyed; },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Destroy the injector and release references to every instance or provider associated with it.\n     *\n     * Also calls the `OnDestroy` lifecycle hooks of every instance that was created for which a\n     * hook was found.\n     */\n    R3Injector.prototype.destroy = function () {\n        this.assertNotDestroyed();\n        // Set destroyed = true first, in case lifecycle hooks re-enter destroy().\n        this._destroyed = true;\n        try {\n            // Call all the lifecycle hooks.\n            this.onDestroy.forEach(function (service) { return service.ngOnDestroy(); });\n        }\n        finally {\n            // Release all references.\n            this.records.clear();\n            this.onDestroy.clear();\n            this.injectorDefTypes.clear();\n        }\n    };\n    R3Injector.prototype.get = function (token, notFoundValue, flags) {\n        if (notFoundValue === void 0) { notFoundValue = THROW_IF_NOT_FOUND; }\n        if (flags === void 0) { flags = InjectFlags.Default; }\n        this.assertNotDestroyed();\n        // Set the injection context.\n        var previousInjector = setCurrentInjector(this);\n        try {\n            // Check for the SkipSelf flag.\n            if (!(flags & InjectFlags.SkipSelf)) {\n                // SkipSelf isn't set, check if the record belongs to this injector.\n                var record = this.records.get(token);\n                if (record === undefined) {\n                    // No record, but maybe the token is scoped to this injector. Look for an injectable\n                    // def with a scope matching this injector.\n                    var def = couldBeInjectableType(token) && getInjectableDef(token);\n                    if (def && this.injectableDefInScope(def)) {\n                        // Found an injectable def and it's scoped to this injector. Pretend as if it was here\n                        // all along.\n                        record = makeRecord(injectableDefOrInjectorDefFactory(token), NOT_YET);\n                    }\n                    else {\n                        record = null;\n                    }\n                    this.records.set(token, record);\n                }\n                // If a record was found, get the instance for it and return it.\n                if (record != null /* NOT null || undefined */) {\n                    return this.hydrate(token, record);\n                }\n            }\n            // Select the next injector based on the Self flag - if self is set, the next injector is\n            // the NullInjector, otherwise it's the parent.\n            var nextInjector = !(flags & InjectFlags.Self) ? this.parent : getNullInjector();\n            // Set the notFoundValue based on the Optional flag - if optional is set and notFoundValue\n            // is undefined, the value is null, otherwise it's the notFoundValue.\n            notFoundValue = (flags & InjectFlags.Optional) && notFoundValue === THROW_IF_NOT_FOUND ?\n                null :\n                notFoundValue;\n            return nextInjector.get(token, notFoundValue);\n        }\n        catch (e) {\n            if (e.name === 'NullInjectorError') {\n                var path = e[NG_TEMP_TOKEN_PATH] = e[NG_TEMP_TOKEN_PATH] || [];\n                path.unshift(stringify(token));\n                if (previousInjector) {\n                    // We still have a parent injector, keep throwing\n                    throw e;\n                }\n                else {\n                    // Format & throw the final error message when we don't have any previous injector\n                    return catchInjectorError(e, token, 'R3InjectorError', this.source);\n                }\n            }\n            else {\n                throw e;\n            }\n        }\n        finally {\n            // Lastly, clean up the state by restoring the previous injector.\n            setCurrentInjector(previousInjector);\n        }\n    };\n    R3Injector.prototype.toString = function () {\n        var tokens = [], records = this.records;\n        records.forEach(function (v, token) { return tokens.push(stringify(token)); });\n        return \"R3Injector[\" + tokens.join(', ') + \"]\";\n    };\n    R3Injector.prototype.assertNotDestroyed = function () {\n        if (this._destroyed) {\n            throw new Error('Injector has already been destroyed.');\n        }\n    };\n    /**\n     * Add an `InjectorType` or `InjectorTypeWithProviders` and all of its transitive providers\n     * to this injector.\n     *\n     * If an `InjectorTypeWithProviders` that declares providers besides the type is specified,\n     * the function will return \"true\" to indicate that the providers of the type definition need\n     * to be processed. This allows us to process providers of injector types after all imports of\n     * an injector definition are processed. (following View Engine semantics: see FW-1349)\n     */\n    R3Injector.prototype.processInjectorType = function (defOrWrappedDef, parents, dedupStack) {\n        var _this = this;\n        defOrWrappedDef = resolveForwardRef(defOrWrappedDef);\n        if (!defOrWrappedDef)\n            return false;\n        // Either the defOrWrappedDef is an InjectorType (with injector def) or an\n        // InjectorDefTypeWithProviders (aka ModuleWithProviders). Detecting either is a megamorphic\n        // read, so care is taken to only do the read once.\n        // First attempt to read the injector def (`ɵinj`).\n        var def = getInjectorDef(defOrWrappedDef);\n        // If that's not present, then attempt to read ngModule from the InjectorDefTypeWithProviders.\n        var ngModule = (def == null) && defOrWrappedDef.ngModule || undefined;\n        // Determine the InjectorType. In the case where `defOrWrappedDef` is an `InjectorType`,\n        // then this is easy. In the case of an InjectorDefTypeWithProviders, then the definition type\n        // is the `ngModule`.\n        var defType = (ngModule === undefined) ? defOrWrappedDef : ngModule;\n        // Check for circular dependencies.\n        if (ngDevMode && parents.indexOf(defType) !== -1) {\n            var defName = stringify(defType);\n            throw new Error(\"Circular dependency in DI detected for type \" + defName + \". Dependency path: \" + parents.map(function (defType) { return stringify(defType); }).join(' > ') + \" > \" + defName + \".\");\n        }\n        // Check for multiple imports of the same module\n        var isDuplicate = dedupStack.indexOf(defType) !== -1;\n        // Finally, if defOrWrappedType was an `InjectorDefTypeWithProviders`, then the actual\n        // `InjectorDef` is on its `ngModule`.\n        if (ngModule !== undefined) {\n            def = getInjectorDef(ngModule);\n        }\n        // If no definition was found, it might be from exports. Remove it.\n        if (def == null) {\n            return false;\n        }\n        // Track the InjectorType and add a provider for it.\n        this.injectorDefTypes.add(defType);\n        this.records.set(defType, makeRecord(def.factory, NOT_YET));\n        // Add providers in the same way that @NgModule resolution did:\n        // First, include providers from any imports.\n        if (def.imports != null && !isDuplicate) {\n            // Before processing defType's imports, add it to the set of parents. This way, if it ends\n            // up deeply importing itself, this can be detected.\n            ngDevMode && parents.push(defType);\n            // Add it to the set of dedups. This way we can detect multiple imports of the same module\n            dedupStack.push(defType);\n            var importTypesWithProviders_1;\n            try {\n                deepForEach(def.imports, function (imported) {\n                    if (_this.processInjectorType(imported, parents, dedupStack)) {\n                        if (importTypesWithProviders_1 === undefined)\n                            importTypesWithProviders_1 = [];\n                        // If the processed import is an injector type with providers, we store it in the\n                        // list of import types with providers, so that we can process those afterwards.\n                        importTypesWithProviders_1.push(imported);\n                    }\n                });\n            }\n            finally {\n                // Remove it from the parents set when finished.\n                ngDevMode && parents.pop();\n            }\n            // Imports which are declared with providers (TypeWithProviders) need to be processed\n            // after all imported modules are processed. This is similar to how View Engine\n            // processes/merges module imports in the metadata resolver. See: FW-1349.\n            if (importTypesWithProviders_1 !== undefined) {\n                var _loop_1 = function (i) {\n                    var _a = importTypesWithProviders_1[i], ngModule_1 = _a.ngModule, providers = _a.providers;\n                    deepForEach(providers, function (provider) { return _this.processProvider(provider, ngModule_1, providers || EMPTY_ARRAY$2); });\n                };\n                for (var i = 0; i < importTypesWithProviders_1.length; i++) {\n                    _loop_1(i);\n                }\n            }\n        }\n        // Next, include providers listed on the definition itself.\n        var defProviders = def.providers;\n        if (defProviders != null && !isDuplicate) {\n            var injectorType_1 = defOrWrappedDef;\n            deepForEach(defProviders, function (provider) { return _this.processProvider(provider, injectorType_1, defProviders); });\n        }\n        return (ngModule !== undefined &&\n            defOrWrappedDef.providers !== undefined);\n    };\n    /**\n     * Process a `SingleProvider` and add it.\n     */\n    R3Injector.prototype.processProvider = function (provider, ngModuleType, providers) {\n        // Determine the token from the provider. Either it's its own token, or has a {provide: ...}\n        // property.\n        provider = resolveForwardRef(provider);\n        var token = isTypeProvider(provider) ? provider : resolveForwardRef(provider && provider.provide);\n        // Construct a `Record` for the provider.\n        var record = providerToRecord(provider, ngModuleType, providers);\n        if (!isTypeProvider(provider) && provider.multi === true) {\n            // If the provider indicates that it's a multi-provider, process it specially.\n            // First check whether it's been defined already.\n            var multiRecord_1 = this.records.get(token);\n            if (multiRecord_1) {\n                // It has. Throw a nice error if\n                if (multiRecord_1.multi === undefined) {\n                    throwMixedMultiProviderError();\n                }\n            }\n            else {\n                multiRecord_1 = makeRecord(undefined, NOT_YET, true);\n                multiRecord_1.factory = function () { return injectArgs(multiRecord_1.multi); };\n                this.records.set(token, multiRecord_1);\n            }\n            token = provider;\n            multiRecord_1.multi.push(provider);\n        }\n        else {\n            var existing = this.records.get(token);\n            if (existing && existing.multi !== undefined) {\n                throwMixedMultiProviderError();\n            }\n        }\n        this.records.set(token, record);\n    };\n    R3Injector.prototype.hydrate = function (token, record) {\n        if (record.value === CIRCULAR) {\n            throwCyclicDependencyError(stringify(token));\n        }\n        else if (record.value === NOT_YET) {\n            record.value = CIRCULAR;\n            record.value = record.factory();\n        }\n        if (typeof record.value === 'object' && record.value && hasOnDestroy(record.value)) {\n            this.onDestroy.add(record.value);\n        }\n        return record.value;\n    };\n    R3Injector.prototype.injectableDefInScope = function (def) {\n        if (!def.providedIn) {\n            return false;\n        }\n        else if (typeof def.providedIn === 'string') {\n            return def.providedIn === 'any' || (def.providedIn === this.scope);\n        }\n        else {\n            return this.injectorDefTypes.has(def.providedIn);\n        }\n    };\n    return R3Injector;\n}());\nfunction injectableDefOrInjectorDefFactory(token) {\n    // Most tokens will have an injectable def directly on them, which specifies a factory directly.\n    var injectableDef = getInjectableDef(token);\n    var factory = injectableDef !== null ? injectableDef.factory : getFactoryDef(token);\n    if (factory !== null) {\n        return factory;\n    }\n    // If the token is an NgModule, it's also injectable but the factory is on its injector def\n    // (`ɵinj`)\n    var injectorDef = getInjectorDef(token);\n    if (injectorDef !== null) {\n        return injectorDef.factory;\n    }\n    // InjectionTokens should have an injectable def (ɵprov) and thus should be handled above.\n    // If it's missing that, it's an error.\n    if (token instanceof InjectionToken) {\n        throw new Error(\"Token \" + stringify(token) + \" is missing a \\u0275prov definition.\");\n    }\n    // Undecorated types can sometimes be created if they have no constructor arguments.\n    if (token instanceof Function) {\n        return getUndecoratedInjectableFactory(token);\n    }\n    // There was no way to resolve a factory for this token.\n    throw new Error('unreachable');\n}\nfunction getUndecoratedInjectableFactory(token) {\n    // If the token has parameters then it has dependencies that we cannot resolve implicitly.\n    var paramLength = token.length;\n    if (paramLength > 0) {\n        var args = newArray(paramLength, '?');\n        throw new Error(\"Can't resolve all parameters for \" + stringify(token) + \": (\" + args.join(', ') + \").\");\n    }\n    // The constructor function appears to have no parameters.\n    // This might be because it inherits from a super-class. In which case, use an injectable\n    // def from an ancestor if there is one.\n    // Otherwise this really is a simple class with no dependencies, so return a factory that\n    // just instantiates the zero-arg constructor.\n    var inheritedInjectableDef = getInheritedInjectableDef(token);\n    if (inheritedInjectableDef !== null) {\n        return function () { return inheritedInjectableDef.factory(token); };\n    }\n    else {\n        return function () { return new token(); };\n    }\n}\nfunction providerToRecord(provider, ngModuleType, providers) {\n    if (isValueProvider(provider)) {\n        return makeRecord(undefined, provider.useValue);\n    }\n    else {\n        var factory = providerToFactory(provider, ngModuleType, providers);\n        return makeRecord(factory, NOT_YET);\n    }\n}\n/**\n * Converts a `SingleProvider` into a factory function.\n *\n * @param provider provider to convert to factory\n */\nfunction providerToFactory(provider, ngModuleType, providers) {\n    var factory = undefined;\n    if (isTypeProvider(provider)) {\n        return injectableDefOrInjectorDefFactory(resolveForwardRef(provider));\n    }\n    else {\n        if (isValueProvider(provider)) {\n            factory = function () { return resolveForwardRef(provider.useValue); };\n        }\n        else if (isFactoryProvider(provider)) {\n            factory = function () { return provider.useFactory.apply(provider, __spread(injectArgs(provider.deps || []))); };\n        }\n        else if (isExistingProvider(provider)) {\n            factory = function () { return ɵɵinject(resolveForwardRef(provider.useExisting)); };\n        }\n        else {\n            var classRef_1 = resolveForwardRef(provider &&\n                (provider.useClass || provider.provide));\n            if (!classRef_1) {\n                throwInvalidProviderError(ngModuleType, providers, provider);\n            }\n            if (hasDeps(provider)) {\n                factory = function () { return new ((classRef_1).bind.apply((classRef_1), __spread([void 0], injectArgs(provider.deps))))(); };\n            }\n            else {\n                return injectableDefOrInjectorDefFactory(classRef_1);\n            }\n        }\n    }\n    return factory;\n}\nfunction makeRecord(factory, value, multi) {\n    if (multi === void 0) { multi = false; }\n    return {\n        factory: factory,\n        value: value,\n        multi: multi ? [] : undefined,\n    };\n}\nfunction isValueProvider(value) {\n    return value !== null && typeof value == 'object' && USE_VALUE in value;\n}\nfunction isExistingProvider(value) {\n    return !!(value && value.useExisting);\n}\nfunction isFactoryProvider(value) {\n    return !!(value && value.useFactory);\n}\nfunction isTypeProvider(value) {\n    return typeof value === 'function';\n}\nfunction isClassProvider(value) {\n    return !!value.useClass;\n}\nfunction hasDeps(value) {\n    return !!value.deps;\n}\nfunction hasOnDestroy(value) {\n    return value !== null && typeof value === 'object' &&\n        typeof value.ngOnDestroy === 'function';\n}\nfunction couldBeInjectableType(value) {\n    return (typeof value === 'function') ||\n        (typeof value === 'object' && value instanceof InjectionToken);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction INJECTOR_IMPL__PRE_R3__(providers, parent, name) {\n    return new StaticInjector(providers, parent, name);\n}\nfunction INJECTOR_IMPL__POST_R3__(providers, parent, name) {\n    return createInjector({ name: name }, parent, providers, name);\n}\nvar INJECTOR_IMPL = INJECTOR_IMPL__PRE_R3__;\n/**\n * Concrete injectors implement this interface. Injectors are configured\n * with [providers](guide/glossary#provider) that associate\n * dependencies of various types with [injection tokens](guide/glossary#di-token).\n *\n * @see [\"DI Providers\"](guide/dependency-injection-providers).\n * @see `StaticProvider`\n *\n * @usageNotes\n *\n *  The following example creates a service injector instance.\n *\n * {@example core/di/ts/provider_spec.ts region='ConstructorProvider'}\n *\n * ### Usage example\n *\n * {@example core/di/ts/injector_spec.ts region='Injector'}\n *\n * `Injector` returns itself when given `Injector` as a token:\n *\n * {@example core/di/ts/injector_spec.ts region='injectInjector'}\n *\n * @publicApi\n */\nvar Injector = /** @class */ (function () {\n    function Injector() {\n    }\n    Injector.create = function (options, parent) {\n        if (Array.isArray(options)) {\n            return INJECTOR_IMPL(options, parent, '');\n        }\n        else {\n            return INJECTOR_IMPL(options.providers, options.parent, options.name || '');\n        }\n    };\n    Injector.THROW_IF_NOT_FOUND = THROW_IF_NOT_FOUND;\n    Injector.NULL = new NullInjector();\n    /** @nocollapse */\n    Injector.ɵprov = ɵɵdefineInjectable({\n        token: Injector,\n        providedIn: 'any',\n        factory: function () { return ɵɵinject(INJECTOR); },\n    });\n    /**\n     * @internal\n     * @nocollapse\n     */\n    Injector.__NG_ELEMENT_ID__ = -1;\n    return Injector;\n}());\nvar IDENT = function (value) {\n    return value;\n};\nvar ɵ0$9 = IDENT;\nvar EMPTY = [];\nvar CIRCULAR$1 = IDENT;\nvar MULTI_PROVIDER_FN = function () {\n    return Array.prototype.slice.call(arguments);\n};\nvar ɵ1$1 = MULTI_PROVIDER_FN;\nvar NO_NEW_LINE$1 = 'ɵ';\nvar StaticInjector = /** @class */ (function () {\n    function StaticInjector(providers, parent, source) {\n        if (parent === void 0) { parent = Injector.NULL; }\n        if (source === void 0) { source = null; }\n        this.parent = parent;\n        this.source = source;\n        var records = this._records = new Map();\n        records.set(Injector, { token: Injector, fn: IDENT, deps: EMPTY, value: this, useNew: false });\n        records.set(INJECTOR, { token: INJECTOR, fn: IDENT, deps: EMPTY, value: this, useNew: false });\n        this.scope = recursivelyProcessProviders(records, providers);\n    }\n    StaticInjector.prototype.get = function (token, notFoundValue, flags) {\n        if (flags === void 0) { flags = InjectFlags.Default; }\n        var records = this._records;\n        var record = records.get(token);\n        if (record === undefined) {\n            // This means we have never seen this record, see if it is tree shakable provider.\n            var injectableDef = getInjectableDef(token);\n            if (injectableDef) {\n                var providedIn = injectableDef && injectableDef.providedIn;\n                if (providedIn === 'any' || providedIn != null && providedIn === this.scope) {\n                    records.set(token, record = resolveProvider({ provide: token, useFactory: injectableDef.factory, deps: EMPTY }));\n                }\n            }\n            if (record === undefined) {\n                // Set record to null to make sure that we don't go through expensive lookup above again.\n                records.set(token, null);\n            }\n        }\n        var lastInjector = setCurrentInjector(this);\n        try {\n            return tryResolveToken(token, record, records, this.parent, notFoundValue, flags);\n        }\n        catch (e) {\n            return catchInjectorError(e, token, 'StaticInjectorError', this.source);\n        }\n        finally {\n            setCurrentInjector(lastInjector);\n        }\n    };\n    StaticInjector.prototype.toString = function () {\n        var tokens = [], records = this._records;\n        records.forEach(function (v, token) { return tokens.push(stringify(token)); });\n        return \"StaticInjector[\" + tokens.join(', ') + \"]\";\n    };\n    return StaticInjector;\n}());\nfunction resolveProvider(provider) {\n    var deps = computeDeps(provider);\n    var fn = IDENT;\n    var value = EMPTY;\n    var useNew = false;\n    var provide = resolveForwardRef(provider.provide);\n    if (USE_VALUE in provider) {\n        // We need to use USE_VALUE in provider since provider.useValue could be defined as undefined.\n        value = provider.useValue;\n    }\n    else if (provider.useFactory) {\n        fn = provider.useFactory;\n    }\n    else if (provider.useExisting) {\n        // Just use IDENT\n    }\n    else if (provider.useClass) {\n        useNew = true;\n        fn = resolveForwardRef(provider.useClass);\n    }\n    else if (typeof provide == 'function') {\n        useNew = true;\n        fn = provide;\n    }\n    else {\n        throw staticError('StaticProvider does not have [useValue|useFactory|useExisting|useClass] or [provide] is not newable', provider);\n    }\n    return { deps: deps, fn: fn, useNew: useNew, value: value };\n}\nfunction multiProviderMixError(token) {\n    return staticError('Cannot mix multi providers and regular providers', token);\n}\nfunction recursivelyProcessProviders(records, provider) {\n    var scope = null;\n    if (provider) {\n        provider = resolveForwardRef(provider);\n        if (Array.isArray(provider)) {\n            // if we have an array recurse into the array\n            for (var i = 0; i < provider.length; i++) {\n                scope = recursivelyProcessProviders(records, provider[i]) || scope;\n            }\n        }\n        else if (typeof provider === 'function') {\n            // Functions were supported in ReflectiveInjector, but are not here. For safety give useful\n            // error messages\n            throw staticError('Function/Class not supported', provider);\n        }\n        else if (provider && typeof provider === 'object' && provider.provide) {\n            // At this point we have what looks like a provider: {provide: ?, ....}\n            var token = resolveForwardRef(provider.provide);\n            var resolvedProvider = resolveProvider(provider);\n            if (provider.multi === true) {\n                // This is a multi provider.\n                var multiProvider = records.get(token);\n                if (multiProvider) {\n                    if (multiProvider.fn !== MULTI_PROVIDER_FN) {\n                        throw multiProviderMixError(token);\n                    }\n                }\n                else {\n                    // Create a placeholder factory which will look up the constituents of the multi provider.\n                    records.set(token, multiProvider = {\n                        token: provider.provide,\n                        deps: [],\n                        useNew: false,\n                        fn: MULTI_PROVIDER_FN,\n                        value: EMPTY\n                    });\n                }\n                // Treat the provider as the token.\n                token = provider;\n                multiProvider.deps.push({ token: token, options: 6 /* Default */ });\n            }\n            var record = records.get(token);\n            if (record && record.fn == MULTI_PROVIDER_FN) {\n                throw multiProviderMixError(token);\n            }\n            if (token === INJECTOR_SCOPE) {\n                scope = resolvedProvider.value;\n            }\n            records.set(token, resolvedProvider);\n        }\n        else {\n            throw staticError('Unexpected provider', provider);\n        }\n    }\n    return scope;\n}\nfunction tryResolveToken(token, record, records, parent, notFoundValue, flags) {\n    try {\n        return resolveToken(token, record, records, parent, notFoundValue, flags);\n    }\n    catch (e) {\n        // ensure that 'e' is of type Error.\n        if (!(e instanceof Error)) {\n            e = new Error(e);\n        }\n        var path = e[NG_TEMP_TOKEN_PATH] = e[NG_TEMP_TOKEN_PATH] || [];\n        path.unshift(token);\n        if (record && record.value == CIRCULAR$1) {\n            // Reset the Circular flag.\n            record.value = EMPTY;\n        }\n        throw e;\n    }\n}\nfunction resolveToken(token, record, records, parent, notFoundValue, flags) {\n    var _a;\n    var value;\n    if (record && !(flags & InjectFlags.SkipSelf)) {\n        // If we don't have a record, this implies that we don't own the provider hence don't know how\n        // to resolve it.\n        value = record.value;\n        if (value == CIRCULAR$1) {\n            throw Error(NO_NEW_LINE$1 + 'Circular dependency');\n        }\n        else if (value === EMPTY) {\n            record.value = CIRCULAR$1;\n            var obj = undefined;\n            var useNew = record.useNew;\n            var fn = record.fn;\n            var depRecords = record.deps;\n            var deps = EMPTY;\n            if (depRecords.length) {\n                deps = [];\n                for (var i = 0; i < depRecords.length; i++) {\n                    var depRecord = depRecords[i];\n                    var options = depRecord.options;\n                    var childRecord = options & 2 /* CheckSelf */ ? records.get(depRecord.token) : undefined;\n                    deps.push(tryResolveToken(\n                    // Current Token to resolve\n                    depRecord.token, \n                    // A record which describes how to resolve the token.\n                    // If undefined, this means we don't have such a record\n                    childRecord, \n                    // Other records we know about.\n                    records, \n                    // If we don't know how to resolve dependency and we should not check parent for it,\n                    // than pass in Null injector.\n                    !childRecord && !(options & 4 /* CheckParent */) ? Injector.NULL : parent, options & 1 /* Optional */ ? null : Injector.THROW_IF_NOT_FOUND, InjectFlags.Default));\n                }\n            }\n            record.value = value = useNew ? new ((_a = fn).bind.apply(_a, __spread([void 0], deps)))() : fn.apply(obj, deps);\n        }\n    }\n    else if (!(flags & InjectFlags.Self)) {\n        value = parent.get(token, notFoundValue, InjectFlags.Default);\n    }\n    else if (!(flags & InjectFlags.Optional)) {\n        value = Injector.NULL.get(token, notFoundValue);\n    }\n    else {\n        value = Injector.NULL.get(token, typeof notFoundValue !== 'undefined' ? notFoundValue : null);\n    }\n    return value;\n}\nfunction computeDeps(provider) {\n    var deps = EMPTY;\n    var providerDeps = provider.deps;\n    if (providerDeps && providerDeps.length) {\n        deps = [];\n        for (var i = 0; i < providerDeps.length; i++) {\n            var options = 6 /* Default */;\n            var token = resolveForwardRef(providerDeps[i]);\n            if (Array.isArray(token)) {\n                for (var j = 0, annotations = token; j < annotations.length; j++) {\n                    var annotation = annotations[j];\n                    if (annotation instanceof Optional || annotation == Optional) {\n                        options = options | 1 /* Optional */;\n                    }\n                    else if (annotation instanceof SkipSelf || annotation == SkipSelf) {\n                        options = options & ~2 /* CheckSelf */;\n                    }\n                    else if (annotation instanceof Self || annotation == Self) {\n                        options = options & ~4 /* CheckParent */;\n                    }\n                    else if (annotation instanceof Inject) {\n                        token = annotation.token;\n                    }\n                    else {\n                        token = resolveForwardRef(annotation);\n                    }\n                }\n            }\n            deps.push({ token: token, options: options });\n        }\n    }\n    else if (provider.useExisting) {\n        var token = resolveForwardRef(provider.useExisting);\n        deps = [{ token: token, options: 6 /* Default */ }];\n    }\n    else if (!providerDeps && !(USE_VALUE in provider)) {\n        // useValue & useExisting are the only ones which are exempt from deps all others need it.\n        throw staticError('\\'deps\\' required', provider);\n    }\n    return deps;\n}\nfunction staticError(text, obj) {\n    return new Error(formatError(text, obj, 'StaticInjectorError'));\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction findFirstClosedCycle(keys) {\n    var res = [];\n    for (var i = 0; i < keys.length; ++i) {\n        if (res.indexOf(keys[i]) > -1) {\n            res.push(keys[i]);\n            return res;\n        }\n        res.push(keys[i]);\n    }\n    return res;\n}\nfunction constructResolvingPath(keys) {\n    if (keys.length > 1) {\n        var reversed = findFirstClosedCycle(keys.slice().reverse());\n        var tokenStrs = reversed.map(function (k) { return stringify(k.token); });\n        return ' (' + tokenStrs.join(' -> ') + ')';\n    }\n    return '';\n}\nfunction injectionError(injector, key, constructResolvingMessage, originalError) {\n    var keys = [key];\n    var errMsg = constructResolvingMessage(keys);\n    var error = (originalError ? wrappedError(errMsg, originalError) : Error(errMsg));\n    error.addKey = addKey;\n    error.keys = keys;\n    error.injectors = [injector];\n    error.constructResolvingMessage = constructResolvingMessage;\n    error[ERROR_ORIGINAL_ERROR] = originalError;\n    return error;\n}\nfunction addKey(injector, key) {\n    this.injectors.push(injector);\n    this.keys.push(key);\n    // Note: This updated message won't be reflected in the `.stack` property\n    this.message = this.constructResolvingMessage(this.keys);\n}\n/**\n * Thrown when trying to retrieve a dependency by key from {@link Injector}, but the\n * {@link Injector} does not have a {@link Provider} for the given key.\n *\n * @usageNotes\n * ### Example\n *\n * ```typescript\n * class A {\n *   constructor(b:B) {}\n * }\n *\n * expect(() => Injector.resolveAndCreate([A])).toThrowError();\n * ```\n */\nfunction noProviderError(injector, key) {\n    return injectionError(injector, key, function (keys) {\n        var first = stringify(keys[0].token);\n        return \"No provider for \" + first + \"!\" + constructResolvingPath(keys);\n    });\n}\n/**\n * Thrown when dependencies form a cycle.\n *\n * @usageNotes\n * ### Example\n *\n * ```typescript\n * var injector = Injector.resolveAndCreate([\n *   {provide: \"one\", useFactory: (two) => \"two\", deps: [[new Inject(\"two\")]]},\n *   {provide: \"two\", useFactory: (one) => \"one\", deps: [[new Inject(\"one\")]]}\n * ]);\n *\n * expect(() => injector.get(\"one\")).toThrowError();\n * ```\n *\n * Retrieving `A` or `B` throws a `CyclicDependencyError` as the graph above cannot be constructed.\n */\nfunction cyclicDependencyError(injector, key) {\n    return injectionError(injector, key, function (keys) {\n        return \"Cannot instantiate cyclic dependency!\" + constructResolvingPath(keys);\n    });\n}\n/**\n * Thrown when a constructing type returns with an Error.\n *\n * The `InstantiationError` class contains the original error plus the dependency graph which caused\n * this object to be instantiated.\n *\n * @usageNotes\n * ### Example\n *\n * ```typescript\n * class A {\n *   constructor() {\n *     throw new Error('message');\n *   }\n * }\n *\n * var injector = Injector.resolveAndCreate([A]);\n\n * try {\n *   injector.get(A);\n * } catch (e) {\n *   expect(e instanceof InstantiationError).toBe(true);\n *   expect(e.originalException.message).toEqual(\"message\");\n *   expect(e.originalStack).toBeDefined();\n * }\n * ```\n */\nfunction instantiationError(injector, originalException, originalStack, key) {\n    return injectionError(injector, key, function (keys) {\n        var first = stringify(keys[0].token);\n        return originalException.message + \": Error during instantiation of \" + first + \"!\" + constructResolvingPath(keys) + \".\";\n    }, originalException);\n}\n/**\n * Thrown when an object other then {@link Provider} (or `Type`) is passed to {@link Injector}\n * creation.\n *\n * @usageNotes\n * ### Example\n *\n * ```typescript\n * expect(() => Injector.resolveAndCreate([\"not a type\"])).toThrowError();\n * ```\n */\nfunction invalidProviderError(provider) {\n    return Error(\"Invalid provider - only instances of Provider and Type are allowed, got: \" + provider);\n}\n/**\n * Thrown when the class has no annotation information.\n *\n * Lack of annotation information prevents the {@link Injector} from determining which dependencies\n * need to be injected into the constructor.\n *\n * @usageNotes\n * ### Example\n *\n * ```typescript\n * class A {\n *   constructor(b) {}\n * }\n *\n * expect(() => Injector.resolveAndCreate([A])).toThrowError();\n * ```\n *\n * This error is also thrown when the class not marked with {@link Injectable} has parameter types.\n *\n * ```typescript\n * class B {}\n *\n * class A {\n *   constructor(b:B) {} // no information about the parameter types of A is available at runtime.\n * }\n *\n * expect(() => Injector.resolveAndCreate([A,B])).toThrowError();\n * ```\n *\n */\nfunction noAnnotationError(typeOrFunc, params) {\n    var signature = [];\n    for (var i = 0, ii = params.length; i < ii; i++) {\n        var parameter = params[i];\n        if (!parameter || parameter.length == 0) {\n            signature.push('?');\n        }\n        else {\n            signature.push(parameter.map(stringify).join(' '));\n        }\n    }\n    return Error('Cannot resolve all parameters for \\'' + stringify(typeOrFunc) + '\\'(' +\n        signature.join(', ') + '). ' +\n        'Make sure that all the parameters are decorated with Inject or have valid type annotations and that \\'' +\n        stringify(typeOrFunc) + '\\' is decorated with Injectable.');\n}\n/**\n * Thrown when getting an object by index.\n *\n * @usageNotes\n * ### Example\n *\n * ```typescript\n * class A {}\n *\n * var injector = Injector.resolveAndCreate([A]);\n *\n * expect(() => injector.getAt(100)).toThrowError();\n * ```\n *\n */\nfunction outOfBoundsError(index) {\n    return Error(\"Index \" + index + \" is out-of-bounds.\");\n}\n// TODO: add a working example after alpha38 is released\n/**\n * Thrown when a multi provider and a regular provider are bound to the same token.\n *\n * @usageNotes\n * ### Example\n *\n * ```typescript\n * expect(() => Injector.resolveAndCreate([\n *   { provide: \"Strings\", useValue: \"string1\", multi: true},\n *   { provide: \"Strings\", useValue: \"string2\", multi: false}\n * ])).toThrowError();\n * ```\n */\nfunction mixingMultiProvidersWithRegularProvidersError(provider1, provider2) {\n    return Error(\"Cannot mix multi providers and regular providers, got: \" + provider1 + \" \" + provider2);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A unique object used for retrieving items from the {@link ReflectiveInjector}.\n *\n * Keys have:\n * - a system-wide unique `id`.\n * - a `token`.\n *\n * `Key` is used internally by {@link ReflectiveInjector} because its system-wide unique `id` allows\n * the\n * injector to store created objects in a more efficient way.\n *\n * `Key` should not be created directly. {@link ReflectiveInjector} creates keys automatically when\n * resolving\n * providers.\n *\n * @deprecated No replacement\n * @publicApi\n */\nvar ReflectiveKey = /** @class */ (function () {\n    /**\n     * Private\n     */\n    function ReflectiveKey(token, id) {\n        this.token = token;\n        this.id = id;\n        if (!token) {\n            throw new Error('Token must be defined!');\n        }\n        this.displayName = stringify(this.token);\n    }\n    /**\n     * Retrieves a `Key` for a token.\n     */\n    ReflectiveKey.get = function (token) {\n        return _globalKeyRegistry.get(resolveForwardRef(token));\n    };\n    Object.defineProperty(ReflectiveKey, \"numberOfKeys\", {\n        /**\n         * @returns the number of keys registered in the system.\n         */\n        get: function () { return _globalKeyRegistry.numberOfKeys; },\n        enumerable: true,\n        configurable: true\n    });\n    return ReflectiveKey;\n}());\nvar KeyRegistry = /** @class */ (function () {\n    function KeyRegistry() {\n        this._allKeys = new Map();\n    }\n    KeyRegistry.prototype.get = function (token) {\n        if (token instanceof ReflectiveKey)\n            return token;\n        if (this._allKeys.has(token)) {\n            return this._allKeys.get(token);\n        }\n        var newKey = new ReflectiveKey(token, ReflectiveKey.numberOfKeys);\n        this._allKeys.set(token, newKey);\n        return newKey;\n    };\n    Object.defineProperty(KeyRegistry.prototype, \"numberOfKeys\", {\n        get: function () { return this._allKeys.size; },\n        enumerable: true,\n        configurable: true\n    });\n    return KeyRegistry;\n}());\nvar _globalKeyRegistry = new KeyRegistry();\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Provides access to reflection data about symbols. Used internally by Angular\n * to power dependency injection and compilation.\n */\nvar Reflector = /** @class */ (function () {\n    function Reflector(reflectionCapabilities) {\n        this.reflectionCapabilities = reflectionCapabilities;\n    }\n    Reflector.prototype.updateCapabilities = function (caps) { this.reflectionCapabilities = caps; };\n    Reflector.prototype.factory = function (type) { return this.reflectionCapabilities.factory(type); };\n    Reflector.prototype.parameters = function (typeOrFunc) {\n        return this.reflectionCapabilities.parameters(typeOrFunc);\n    };\n    Reflector.prototype.annotations = function (typeOrFunc) {\n        return this.reflectionCapabilities.annotations(typeOrFunc);\n    };\n    Reflector.prototype.propMetadata = function (typeOrFunc) {\n        return this.reflectionCapabilities.propMetadata(typeOrFunc);\n    };\n    Reflector.prototype.hasLifecycleHook = function (type, lcProperty) {\n        return this.reflectionCapabilities.hasLifecycleHook(type, lcProperty);\n    };\n    Reflector.prototype.getter = function (name) { return this.reflectionCapabilities.getter(name); };\n    Reflector.prototype.setter = function (name) { return this.reflectionCapabilities.setter(name); };\n    Reflector.prototype.method = function (name) { return this.reflectionCapabilities.method(name); };\n    Reflector.prototype.importUri = function (type) { return this.reflectionCapabilities.importUri(type); };\n    Reflector.prototype.resourceUri = function (type) { return this.reflectionCapabilities.resourceUri(type); };\n    Reflector.prototype.resolveIdentifier = function (name, moduleUrl, members, runtime) {\n        return this.reflectionCapabilities.resolveIdentifier(name, moduleUrl, members, runtime);\n    };\n    Reflector.prototype.resolveEnum = function (identifier, name) {\n        return this.reflectionCapabilities.resolveEnum(identifier, name);\n    };\n    return Reflector;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * The {@link Reflector} used internally in Angular to access metadata\n * about symbols.\n */\nvar reflector = new Reflector(new ReflectionCapabilities());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * `Dependency` is used by the framework to extend DI.\n * This is internal to Angular and should not be used directly.\n */\nvar ReflectiveDependency = /** @class */ (function () {\n    function ReflectiveDependency(key, optional, visibility) {\n        this.key = key;\n        this.optional = optional;\n        this.visibility = visibility;\n    }\n    ReflectiveDependency.fromKey = function (key) {\n        return new ReflectiveDependency(key, false, null);\n    };\n    return ReflectiveDependency;\n}());\nvar _EMPTY_LIST = [];\nvar ResolvedReflectiveProvider_ = /** @class */ (function () {\n    function ResolvedReflectiveProvider_(key, resolvedFactories, multiProvider) {\n        this.key = key;\n        this.resolvedFactories = resolvedFactories;\n        this.multiProvider = multiProvider;\n        this.resolvedFactory = this.resolvedFactories[0];\n    }\n    return ResolvedReflectiveProvider_;\n}());\n/**\n * An internal resolved representation of a factory function created by resolving `Provider`.\n * @publicApi\n */\nvar ResolvedReflectiveFactory = /** @class */ (function () {\n    function ResolvedReflectiveFactory(\n    /**\n     * Factory function which can return an instance of an object represented by a key.\n     */\n    factory, \n    /**\n     * Arguments (dependencies) to the `factory` function.\n     */\n    dependencies) {\n        this.factory = factory;\n        this.dependencies = dependencies;\n    }\n    return ResolvedReflectiveFactory;\n}());\n/**\n * Resolve a single provider.\n */\nfunction resolveReflectiveFactory(provider) {\n    var factoryFn;\n    var resolvedDeps;\n    if (provider.useClass) {\n        var useClass = resolveForwardRef(provider.useClass);\n        factoryFn = reflector.factory(useClass);\n        resolvedDeps = _dependenciesFor(useClass);\n    }\n    else if (provider.useExisting) {\n        factoryFn = function (aliasInstance) { return aliasInstance; };\n        resolvedDeps = [ReflectiveDependency.fromKey(ReflectiveKey.get(provider.useExisting))];\n    }\n    else if (provider.useFactory) {\n        factoryFn = provider.useFactory;\n        resolvedDeps = constructDependencies(provider.useFactory, provider.deps);\n    }\n    else {\n        factoryFn = function () { return provider.useValue; };\n        resolvedDeps = _EMPTY_LIST;\n    }\n    return new ResolvedReflectiveFactory(factoryFn, resolvedDeps);\n}\n/**\n * Converts the `Provider` into `ResolvedProvider`.\n *\n * `Injector` internally only uses `ResolvedProvider`, `Provider` contains convenience provider\n * syntax.\n */\nfunction resolveReflectiveProvider(provider) {\n    return new ResolvedReflectiveProvider_(ReflectiveKey.get(provider.provide), [resolveReflectiveFactory(provider)], provider.multi || false);\n}\n/**\n * Resolve a list of Providers.\n */\nfunction resolveReflectiveProviders(providers) {\n    var normalized = _normalizeProviders(providers, []);\n    var resolved = normalized.map(resolveReflectiveProvider);\n    var resolvedProviderMap = mergeResolvedReflectiveProviders(resolved, new Map());\n    return Array.from(resolvedProviderMap.values());\n}\n/**\n * Merges a list of ResolvedProviders into a list where each key is contained exactly once and\n * multi providers have been merged.\n */\nfunction mergeResolvedReflectiveProviders(providers, normalizedProvidersMap) {\n    for (var i = 0; i < providers.length; i++) {\n        var provider = providers[i];\n        var existing = normalizedProvidersMap.get(provider.key.id);\n        if (existing) {\n            if (provider.multiProvider !== existing.multiProvider) {\n                throw mixingMultiProvidersWithRegularProvidersError(existing, provider);\n            }\n            if (provider.multiProvider) {\n                for (var j = 0; j < provider.resolvedFactories.length; j++) {\n                    existing.resolvedFactories.push(provider.resolvedFactories[j]);\n                }\n            }\n            else {\n                normalizedProvidersMap.set(provider.key.id, provider);\n            }\n        }\n        else {\n            var resolvedProvider = void 0;\n            if (provider.multiProvider) {\n                resolvedProvider = new ResolvedReflectiveProvider_(provider.key, provider.resolvedFactories.slice(), provider.multiProvider);\n            }\n            else {\n                resolvedProvider = provider;\n            }\n            normalizedProvidersMap.set(provider.key.id, resolvedProvider);\n        }\n    }\n    return normalizedProvidersMap;\n}\nfunction _normalizeProviders(providers, res) {\n    providers.forEach(function (b) {\n        if (b instanceof Type) {\n            res.push({ provide: b, useClass: b });\n        }\n        else if (b && typeof b == 'object' && b.provide !== undefined) {\n            res.push(b);\n        }\n        else if (Array.isArray(b)) {\n            _normalizeProviders(b, res);\n        }\n        else {\n            throw invalidProviderError(b);\n        }\n    });\n    return res;\n}\nfunction constructDependencies(typeOrFunc, dependencies) {\n    if (!dependencies) {\n        return _dependenciesFor(typeOrFunc);\n    }\n    else {\n        var params_1 = dependencies.map(function (t) { return [t]; });\n        return dependencies.map(function (t) { return _extractToken(typeOrFunc, t, params_1); });\n    }\n}\nfunction _dependenciesFor(typeOrFunc) {\n    var params = reflector.parameters(typeOrFunc);\n    if (!params)\n        return [];\n    if (params.some(function (p) { return p == null; })) {\n        throw noAnnotationError(typeOrFunc, params);\n    }\n    return params.map(function (p) { return _extractToken(typeOrFunc, p, params); });\n}\nfunction _extractToken(typeOrFunc, metadata, params) {\n    var token = null;\n    var optional = false;\n    if (!Array.isArray(metadata)) {\n        if (metadata instanceof Inject) {\n            return _createDependency(metadata.token, optional, null);\n        }\n        else {\n            return _createDependency(metadata, optional, null);\n        }\n    }\n    var visibility = null;\n    for (var i = 0; i < metadata.length; ++i) {\n        var paramMetadata = metadata[i];\n        if (paramMetadata instanceof Type) {\n            token = paramMetadata;\n        }\n        else if (paramMetadata instanceof Inject) {\n            token = paramMetadata.token;\n        }\n        else if (paramMetadata instanceof Optional) {\n            optional = true;\n        }\n        else if (paramMetadata instanceof Self || paramMetadata instanceof SkipSelf) {\n            visibility = paramMetadata;\n        }\n        else if (paramMetadata instanceof InjectionToken) {\n            token = paramMetadata;\n        }\n    }\n    token = resolveForwardRef(token);\n    if (token != null) {\n        return _createDependency(token, optional, visibility);\n    }\n    else {\n        throw noAnnotationError(typeOrFunc, params);\n    }\n}\nfunction _createDependency(token, optional, visibility) {\n    return new ReflectiveDependency(ReflectiveKey.get(token), optional, visibility);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Threshold for the dynamic version\nvar UNDEFINED = {};\n/**\n * A ReflectiveDependency injection container used for instantiating objects and resolving\n * dependencies.\n *\n * An `Injector` is a replacement for a `new` operator, which can automatically resolve the\n * constructor dependencies.\n *\n * In typical use, application code asks for the dependencies in the constructor and they are\n * resolved by the `Injector`.\n *\n * @usageNotes\n * ### Example\n *\n * The following example creates an `Injector` configured to create `Engine` and `Car`.\n *\n * ```typescript\n * @Injectable()\n * class Engine {\n * }\n *\n * @Injectable()\n * class Car {\n *   constructor(public engine:Engine) {}\n * }\n *\n * var injector = ReflectiveInjector.resolveAndCreate([Car, Engine]);\n * var car = injector.get(Car);\n * expect(car instanceof Car).toBe(true);\n * expect(car.engine instanceof Engine).toBe(true);\n * ```\n *\n * Notice, we don't use the `new` operator because we explicitly want to have the `Injector`\n * resolve all of the object's dependencies automatically.\n *\n * @deprecated from v5 - slow and brings in a lot of code, Use `Injector.create` instead.\n * @publicApi\n */\nvar ReflectiveInjector = /** @class */ (function () {\n    function ReflectiveInjector() {\n    }\n    /**\n     * Turns an array of provider definitions into an array of resolved providers.\n     *\n     * A resolution is a process of flattening multiple nested arrays and converting individual\n     * providers into an array of `ResolvedReflectiveProvider`s.\n     *\n     * @usageNotes\n     * ### Example\n     *\n     * ```typescript\n     * @Injectable()\n     * class Engine {\n     * }\n     *\n     * @Injectable()\n     * class Car {\n     *   constructor(public engine:Engine) {}\n     * }\n     *\n     * var providers = ReflectiveInjector.resolve([Car, [[Engine]]]);\n     *\n     * expect(providers.length).toEqual(2);\n     *\n     * expect(providers[0] instanceof ResolvedReflectiveProvider).toBe(true);\n     * expect(providers[0].key.displayName).toBe(\"Car\");\n     * expect(providers[0].dependencies.length).toEqual(1);\n     * expect(providers[0].factory).toBeDefined();\n     *\n     * expect(providers[1].key.displayName).toBe(\"Engine\");\n     * });\n     * ```\n     *\n     */\n    ReflectiveInjector.resolve = function (providers) {\n        return resolveReflectiveProviders(providers);\n    };\n    /**\n     * Resolves an array of providers and creates an injector from those providers.\n     *\n     * The passed-in providers can be an array of `Type`, `Provider`,\n     * or a recursive array of more providers.\n     *\n     * @usageNotes\n     * ### Example\n     *\n     * ```typescript\n     * @Injectable()\n     * class Engine {\n     * }\n     *\n     * @Injectable()\n     * class Car {\n     *   constructor(public engine:Engine) {}\n     * }\n     *\n     * var injector = ReflectiveInjector.resolveAndCreate([Car, Engine]);\n     * expect(injector.get(Car) instanceof Car).toBe(true);\n     * ```\n     */\n    ReflectiveInjector.resolveAndCreate = function (providers, parent) {\n        var ResolvedReflectiveProviders = ReflectiveInjector.resolve(providers);\n        return ReflectiveInjector.fromResolvedProviders(ResolvedReflectiveProviders, parent);\n    };\n    /**\n     * Creates an injector from previously resolved providers.\n     *\n     * This API is the recommended way to construct injectors in performance-sensitive parts.\n     *\n     * @usageNotes\n     * ### Example\n     *\n     * ```typescript\n     * @Injectable()\n     * class Engine {\n     * }\n     *\n     * @Injectable()\n     * class Car {\n     *   constructor(public engine:Engine) {}\n     * }\n     *\n     * var providers = ReflectiveInjector.resolve([Car, Engine]);\n     * var injector = ReflectiveInjector.fromResolvedProviders(providers);\n     * expect(injector.get(Car) instanceof Car).toBe(true);\n     * ```\n     */\n    ReflectiveInjector.fromResolvedProviders = function (providers, parent) {\n        return new ReflectiveInjector_(providers, parent);\n    };\n    return ReflectiveInjector;\n}());\nvar ReflectiveInjector_ = /** @class */ (function () {\n    /**\n     * Private\n     */\n    function ReflectiveInjector_(_providers, _parent) {\n        /** @internal */\n        this._constructionCounter = 0;\n        this._providers = _providers;\n        this.parent = _parent || null;\n        var len = _providers.length;\n        this.keyIds = [];\n        this.objs = [];\n        for (var i = 0; i < len; i++) {\n            this.keyIds[i] = _providers[i].key.id;\n            this.objs[i] = UNDEFINED;\n        }\n    }\n    ReflectiveInjector_.prototype.get = function (token, notFoundValue) {\n        if (notFoundValue === void 0) { notFoundValue = THROW_IF_NOT_FOUND; }\n        return this._getByKey(ReflectiveKey.get(token), null, notFoundValue);\n    };\n    ReflectiveInjector_.prototype.resolveAndCreateChild = function (providers) {\n        var ResolvedReflectiveProviders = ReflectiveInjector.resolve(providers);\n        return this.createChildFromResolved(ResolvedReflectiveProviders);\n    };\n    ReflectiveInjector_.prototype.createChildFromResolved = function (providers) {\n        var inj = new ReflectiveInjector_(providers);\n        inj.parent = this;\n        return inj;\n    };\n    ReflectiveInjector_.prototype.resolveAndInstantiate = function (provider) {\n        return this.instantiateResolved(ReflectiveInjector.resolve([provider])[0]);\n    };\n    ReflectiveInjector_.prototype.instantiateResolved = function (provider) {\n        return this._instantiateProvider(provider);\n    };\n    ReflectiveInjector_.prototype.getProviderAtIndex = function (index) {\n        if (index < 0 || index >= this._providers.length) {\n            throw outOfBoundsError(index);\n        }\n        return this._providers[index];\n    };\n    /** @internal */\n    ReflectiveInjector_.prototype._new = function (provider) {\n        if (this._constructionCounter++ > this._getMaxNumberOfObjects()) {\n            throw cyclicDependencyError(this, provider.key);\n        }\n        return this._instantiateProvider(provider);\n    };\n    ReflectiveInjector_.prototype._getMaxNumberOfObjects = function () { return this.objs.length; };\n    ReflectiveInjector_.prototype._instantiateProvider = function (provider) {\n        if (provider.multiProvider) {\n            var res = [];\n            for (var i = 0; i < provider.resolvedFactories.length; ++i) {\n                res[i] = this._instantiate(provider, provider.resolvedFactories[i]);\n            }\n            return res;\n        }\n        else {\n            return this._instantiate(provider, provider.resolvedFactories[0]);\n        }\n    };\n    ReflectiveInjector_.prototype._instantiate = function (provider, ResolvedReflectiveFactory) {\n        var _this = this;\n        var factory = ResolvedReflectiveFactory.factory;\n        var deps;\n        try {\n            deps =\n                ResolvedReflectiveFactory.dependencies.map(function (dep) { return _this._getByReflectiveDependency(dep); });\n        }\n        catch (e) {\n            if (e.addKey) {\n                e.addKey(this, provider.key);\n            }\n            throw e;\n        }\n        var obj;\n        try {\n            obj = factory.apply(void 0, __spread(deps));\n        }\n        catch (e) {\n            throw instantiationError(this, e, e.stack, provider.key);\n        }\n        return obj;\n    };\n    ReflectiveInjector_.prototype._getByReflectiveDependency = function (dep) {\n        return this._getByKey(dep.key, dep.visibility, dep.optional ? null : THROW_IF_NOT_FOUND);\n    };\n    ReflectiveInjector_.prototype._getByKey = function (key, visibility, notFoundValue) {\n        if (key === ReflectiveInjector_.INJECTOR_KEY) {\n            return this;\n        }\n        if (visibility instanceof Self) {\n            return this._getByKeySelf(key, notFoundValue);\n        }\n        else {\n            return this._getByKeyDefault(key, notFoundValue, visibility);\n        }\n    };\n    ReflectiveInjector_.prototype._getObjByKeyId = function (keyId) {\n        for (var i = 0; i < this.keyIds.length; i++) {\n            if (this.keyIds[i] === keyId) {\n                if (this.objs[i] === UNDEFINED) {\n                    this.objs[i] = this._new(this._providers[i]);\n                }\n                return this.objs[i];\n            }\n        }\n        return UNDEFINED;\n    };\n    /** @internal */\n    ReflectiveInjector_.prototype._throwOrNull = function (key, notFoundValue) {\n        if (notFoundValue !== THROW_IF_NOT_FOUND) {\n            return notFoundValue;\n        }\n        else {\n            throw noProviderError(this, key);\n        }\n    };\n    /** @internal */\n    ReflectiveInjector_.prototype._getByKeySelf = function (key, notFoundValue) {\n        var obj = this._getObjByKeyId(key.id);\n        return (obj !== UNDEFINED) ? obj : this._throwOrNull(key, notFoundValue);\n    };\n    /** @internal */\n    ReflectiveInjector_.prototype._getByKeyDefault = function (key, notFoundValue, visibility) {\n        var inj;\n        if (visibility instanceof SkipSelf) {\n            inj = this.parent;\n        }\n        else {\n            inj = this;\n        }\n        while (inj instanceof ReflectiveInjector_) {\n            var inj_ = inj;\n            var obj = inj_._getObjByKeyId(key.id);\n            if (obj !== UNDEFINED)\n                return obj;\n            inj = inj_.parent;\n        }\n        if (inj !== null) {\n            return inj.get(key.token, notFoundValue);\n        }\n        else {\n            return this._throwOrNull(key, notFoundValue);\n        }\n    };\n    Object.defineProperty(ReflectiveInjector_.prototype, \"displayName\", {\n        get: function () {\n            var providers = _mapProviders(this, function (b) { return ' \"' + b.key.displayName + '\" '; })\n                .join(', ');\n            return \"ReflectiveInjector(providers: [\" + providers + \"])\";\n        },\n        enumerable: true,\n        configurable: true\n    });\n    ReflectiveInjector_.prototype.toString = function () { return this.displayName; };\n    ReflectiveInjector_.INJECTOR_KEY = ReflectiveKey.get(Injector);\n    return ReflectiveInjector_;\n}());\nfunction _mapProviders(injector, fn) {\n    var res = [];\n    for (var i = 0; i < injector._providers.length; ++i) {\n        res[i] = fn(injector.getProviderAtIndex(i));\n    }\n    return res;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A DI token that you can use to create a virtual [provider](guide/glossary#provider)\n * that will populate the `entryComponents` field of components and NgModules\n * based on its `useValue` property value.\n * All components that are referenced in the `useValue` value (either directly\n * or in a nested array or map) are added to the `entryComponents` property.\n *\n * @usageNotes\n *\n * The following example shows how the router can populate the `entryComponents`\n * field of an NgModule based on a router configuration that refers\n * to components.\n *\n * ```typescript\n * // helper function inside the router\n * function provideRoutes(routes) {\n *   return [\n *     {provide: ROUTES, useValue: routes},\n *     {provide: ANALYZE_FOR_ENTRY_COMPONENTS, useValue: routes, multi: true}\n *   ];\n * }\n *\n * // user code\n * let routes = [\n *   {path: '/root', component: RootComp},\n *   {path: '/teams', component: TeamsComp}\n * ];\n *\n * @NgModule({\n *   providers: [provideRoutes(routes)]\n * })\n * class ModuleWithRoutes {}\n * ```\n *\n * @publicApi\n * @deprecated Since 9.0.0. With Ivy, this property is no longer necessary.\n */\nvar ANALYZE_FOR_ENTRY_COMPONENTS = new InjectionToken('AnalyzeForEntryComponents');\n/**\n * Base class for query metadata.\n *\n * @see `ContentChildren`.\n * @see `ContentChild`.\n * @see `ViewChildren`.\n * @see `ViewChild`.\n *\n * @publicApi\n */\nvar Query = /** @class */ (function () {\n    function Query() {\n    }\n    return Query;\n}());\nvar ɵ0$a = function (selector, data) {\n    if (data === void 0) { data = {}; }\n    return (__assign({ selector: selector, first: false, isViewQuery: false, descendants: false }, data));\n};\n/**\n * ContentChildren decorator and metadata.\n *\n *\n * @Annotation\n * @publicApi\n */\nvar ContentChildren = makePropDecorator('ContentChildren', ɵ0$a, Query);\nvar ɵ1$2 = function (selector, data) {\n    if (data === void 0) { data = {}; }\n    return (__assign({ selector: selector, first: true, isViewQuery: false, descendants: true }, data));\n};\n/**\n * ContentChild decorator and metadata.\n *\n *\n * @Annotation\n *\n * @publicApi\n */\nvar ContentChild = makePropDecorator('ContentChild', ɵ1$2, Query);\nvar ɵ2 = function (selector, data) {\n    if (data === void 0) { data = {}; }\n    return (__assign({ selector: selector, first: false, isViewQuery: true, descendants: true }, data));\n};\n/**\n * ViewChildren decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nvar ViewChildren = makePropDecorator('ViewChildren', ɵ2, Query);\nvar ɵ3 = function (selector, data) {\n    return (__assign({ selector: selector, first: true, isViewQuery: true, descendants: true }, data));\n};\n/**\n * ViewChild decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nvar ViewChild = makePropDecorator('ViewChild', ɵ3, Query);\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Used to resolve resource URLs on `@Component` when used with JIT compilation.\n *\n * Example:\n * ```\n * @Component({\n *   selector: 'my-comp',\n *   templateUrl: 'my-comp.html', // This requires asynchronous resolution\n * })\n * class MyComponent{\n * }\n *\n * // Calling `renderComponent` will fail because `renderComponent` is a synchronous process\n * // and `MyComponent`'s `@Component.templateUrl` needs to be resolved asynchronously.\n *\n * // Calling `resolveComponentResources()` will resolve `@Component.templateUrl` into\n * // `@Component.template`, which allows `renderComponent` to proceed in a synchronous manner.\n *\n * // Use browser's `fetch()` function as the default resource resolution strategy.\n * resolveComponentResources(fetch).then(() => {\n *   // After resolution all URLs have been converted into `template` strings.\n *   renderComponent(MyComponent);\n * });\n *\n * ```\n *\n * NOTE: In AOT the resolution happens during compilation, and so there should be no need\n * to call this method outside JIT mode.\n *\n * @param resourceResolver a function which is responsible for returning a `Promise` to the\n * contents of the resolved URL. Browser's `fetch()` method is a good default implementation.\n */\nfunction resolveComponentResources(resourceResolver) {\n    // Store all promises which are fetching the resources.\n    var componentResolved = [];\n    // Cache so that we don't fetch the same resource more than once.\n    var urlMap = new Map();\n    function cachedResourceResolve(url) {\n        var promise = urlMap.get(url);\n        if (!promise) {\n            var resp = resourceResolver(url);\n            urlMap.set(url, promise = resp.then(unwrapResponse));\n        }\n        return promise;\n    }\n    componentResourceResolutionQueue.forEach(function (component, type) {\n        var promises = [];\n        if (component.templateUrl) {\n            promises.push(cachedResourceResolve(component.templateUrl).then(function (template) {\n                component.template = template;\n            }));\n        }\n        var styleUrls = component.styleUrls;\n        var styles = component.styles || (component.styles = []);\n        var styleOffset = component.styles.length;\n        styleUrls && styleUrls.forEach(function (styleUrl, index) {\n            styles.push(''); // pre-allocate array.\n            promises.push(cachedResourceResolve(styleUrl).then(function (style) {\n                styles[styleOffset + index] = style;\n                styleUrls.splice(styleUrls.indexOf(styleUrl), 1);\n                if (styleUrls.length == 0) {\n                    component.styleUrls = undefined;\n                }\n            }));\n        });\n        var fullyResolved = Promise.all(promises).then(function () { return componentDefResolved(type); });\n        componentResolved.push(fullyResolved);\n    });\n    clearResolutionOfComponentResourcesQueue();\n    return Promise.all(componentResolved).then(function () { return undefined; });\n}\nvar componentResourceResolutionQueue = new Map();\n// Track when existing ɵcmp for a Type is waiting on resources.\nvar componentDefPendingResolution = new Set();\nfunction maybeQueueResolutionOfComponentResources(type, metadata) {\n    if (componentNeedsResolution(metadata)) {\n        componentResourceResolutionQueue.set(type, metadata);\n        componentDefPendingResolution.add(type);\n    }\n}\nfunction isComponentDefPendingResolution(type) {\n    return componentDefPendingResolution.has(type);\n}\nfunction componentNeedsResolution(component) {\n    return !!((component.templateUrl && !component.hasOwnProperty('template')) ||\n        component.styleUrls && component.styleUrls.length);\n}\nfunction clearResolutionOfComponentResourcesQueue() {\n    var old = componentResourceResolutionQueue;\n    componentResourceResolutionQueue = new Map();\n    return old;\n}\nfunction restoreComponentResolutionQueue(queue) {\n    componentDefPendingResolution.clear();\n    queue.forEach(function (_, type) { return componentDefPendingResolution.add(type); });\n    componentResourceResolutionQueue = queue;\n}\nfunction isComponentResourceResolutionQueueEmpty() {\n    return componentResourceResolutionQueue.size === 0;\n}\nfunction unwrapResponse(response) {\n    return typeof response == 'string' ? response : response.text();\n}\nfunction componentDefResolved(type) {\n    componentDefPendingResolution.delete(type);\n}\n\n/**\n* @license\n* Copyright Google Inc. All Rights Reserved.\n*\n* Use of this source code is governed by an MIT-style license that can be\n* found in the LICENSE file at https://angular.io/license\n*/\n/**\n * Compute the static styling (class/style) from `TAttributes`.\n *\n * This function should be called during `firstCreatePass` only.\n *\n * @param tNode The `TNode` into which the styling information should be loaded.\n * @param attrs `TAttributes` containing the styling information.\n */\nfunction computeStaticStyling(tNode, attrs) {\n    ngDevMode &&\n        assertFirstCreatePass(getTView(), 'Expecting to be called in first template pass only');\n    var styles = tNode.styles;\n    var classes = tNode.classes;\n    var mode = 0;\n    for (var i = 0; i < attrs.length; i++) {\n        var value = attrs[i];\n        if (typeof value === 'number') {\n            mode = value;\n        }\n        else if (mode == 1 /* Classes */) {\n            classes = concatStringsWithSpace(classes, value);\n        }\n        else if (mode == 2 /* Styles */) {\n            var style = value;\n            var styleValue = attrs[++i];\n            styles = concatStringsWithSpace(styles, style + ': ' + styleValue + ';');\n        }\n    }\n    styles !== null && (tNode.styles = styles);\n    classes !== null && (tNode.classes = classes);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar _symbolIterator = null;\nfunction getSymbolIterator() {\n    if (!_symbolIterator) {\n        var Symbol_1 = _global['Symbol'];\n        if (Symbol_1 && Symbol_1.iterator) {\n            _symbolIterator = Symbol_1.iterator;\n        }\n        else {\n            // es6-shim specific logic\n            var keys = Object.getOwnPropertyNames(Map.prototype);\n            for (var i = 0; i < keys.length; ++i) {\n                var key = keys[i];\n                if (key !== 'entries' && key !== 'size' &&\n                    Map.prototype[key] === Map.prototype['entries']) {\n                    _symbolIterator = key;\n                }\n            }\n        }\n    }\n    return _symbolIterator;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction isIterable(obj) {\n    return obj !== null && typeof obj === 'object' && obj[getSymbolIterator()] !== undefined;\n}\nfunction isListLikeIterable(obj) {\n    if (!isJsObject(obj))\n        return false;\n    return Array.isArray(obj) ||\n        (!(obj instanceof Map) && // JS Map are iterables but return entries as [k, v]\n            getSymbolIterator() in obj); // JS Iterable have a Symbol.iterator prop\n}\nfunction areIterablesEqual(a, b, comparator) {\n    var iterator1 = a[getSymbolIterator()]();\n    var iterator2 = b[getSymbolIterator()]();\n    while (true) {\n        var item1 = iterator1.next();\n        var item2 = iterator2.next();\n        if (item1.done && item2.done)\n            return true;\n        if (item1.done || item2.done)\n            return false;\n        if (!comparator(item1.value, item2.value))\n            return false;\n    }\n}\nfunction iterateListLike(obj, fn) {\n    if (Array.isArray(obj)) {\n        for (var i = 0; i < obj.length; i++) {\n            fn(obj[i]);\n        }\n    }\n    else {\n        var iterator = obj[getSymbolIterator()]();\n        var item = void 0;\n        while (!((item = iterator.next()).done)) {\n            fn(item.value);\n        }\n    }\n}\nfunction isJsObject(o) {\n    return o !== null && (typeof o === 'function' || typeof o === 'object');\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// JS has NaN !== NaN\nfunction looseIdentical(a, b) {\n    return a === b || typeof a === 'number' && typeof b === 'number' && isNaN(a) && isNaN(b);\n}\nfunction devModeEqual(a, b) {\n    var isListLikeIterableA = isListLikeIterable(a);\n    var isListLikeIterableB = isListLikeIterable(b);\n    if (isListLikeIterableA && isListLikeIterableB) {\n        return areIterablesEqual(a, b, devModeEqual);\n    }\n    else {\n        var isAObject = a && (typeof a === 'object' || typeof a === 'function');\n        var isBObject = b && (typeof b === 'object' || typeof b === 'function');\n        if (!isListLikeIterableA && isAObject && !isListLikeIterableB && isBObject) {\n            return true;\n        }\n        else {\n            return looseIdentical(a, b);\n        }\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction devModeEqual$1(a, b) {\n    var isListLikeIterableA = isListLikeIterable$1(a);\n    var isListLikeIterableB = isListLikeIterable$1(b);\n    if (isListLikeIterableA && isListLikeIterableB) {\n        return areIterablesEqual$1(a, b, devModeEqual$1);\n    }\n    else {\n        var isAObject = a && (typeof a === 'object' || typeof a === 'function');\n        var isBObject = b && (typeof b === 'object' || typeof b === 'function');\n        if (!isListLikeIterableA && isAObject && !isListLikeIterableB && isBObject) {\n            return true;\n        }\n        else {\n            return looseIdentical(a, b);\n        }\n    }\n}\n/**\n * Indicates that the result of a {@link Pipe} transformation has changed even though the\n * reference has not changed.\n *\n * Wrapped values are unwrapped automatically during the change detection, and the unwrapped value\n * is stored.\n *\n * Example:\n *\n * ```\n * if (this._latestValue === this._latestReturnedValue) {\n *    return this._latestReturnedValue;\n *  } else {\n *    this._latestReturnedValue = this._latestValue;\n *    return WrappedValue.wrap(this._latestValue); // this will force update\n *  }\n * ```\n *\n * @publicApi\n */\nvar WrappedValue = /** @class */ (function () {\n    function WrappedValue(value) {\n        this.wrapped = value;\n    }\n    /** Creates a wrapped value. */\n    WrappedValue.wrap = function (value) { return new WrappedValue(value); };\n    /**\n     * Returns the underlying value of a wrapped value.\n     * Returns the given `value` when it is not wrapped.\n     **/\n    WrappedValue.unwrap = function (value) { return WrappedValue.isWrapped(value) ? value.wrapped : value; };\n    /** Returns true if `value` is a wrapped value. */\n    WrappedValue.isWrapped = function (value) { return value instanceof WrappedValue; };\n    return WrappedValue;\n}());\nfunction isListLikeIterable$1(obj) {\n    if (!isJsObject$1(obj))\n        return false;\n    return Array.isArray(obj) ||\n        (!(obj instanceof Map) && // JS Map are iterables but return entries as [k, v]\n            getSymbolIterator() in obj); // JS Iterable have a Symbol.iterator prop\n}\nfunction areIterablesEqual$1(a, b, comparator) {\n    var iterator1 = a[getSymbolIterator()]();\n    var iterator2 = b[getSymbolIterator()]();\n    while (true) {\n        var item1 = iterator1.next();\n        var item2 = iterator2.next();\n        if (item1.done && item2.done)\n            return true;\n        if (item1.done || item2.done)\n            return false;\n        if (!comparator(item1.value, item2.value))\n            return false;\n    }\n}\nfunction iterateListLike$1(obj, fn) {\n    if (Array.isArray(obj)) {\n        for (var i = 0; i < obj.length; i++) {\n            fn(obj[i]);\n        }\n    }\n    else {\n        var iterator = obj[getSymbolIterator()]();\n        var item = void 0;\n        while (!((item = iterator.next()).done)) {\n            fn(item.value);\n        }\n    }\n}\nfunction isJsObject$1(o) {\n    return o !== null && (typeof o === 'function' || typeof o === 'object');\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// TODO(misko): consider inlining\n/** Updates binding and returns the value. */\nfunction updateBinding(lView, bindingIndex, value) {\n    return lView[bindingIndex] = value;\n}\n/** Gets the current binding value. */\nfunction getBinding(lView, bindingIndex) {\n    ngDevMode && assertDataInRange(lView, bindingIndex);\n    ngDevMode &&\n        assertNotSame(lView[bindingIndex], NO_CHANGE, 'Stored value should never be NO_CHANGE.');\n    return lView[bindingIndex];\n}\n/**\n * Updates binding if changed, then returns whether it was updated.\n *\n * This function also checks the `CheckNoChangesMode` and throws if changes are made.\n * Some changes (Objects/iterables) during `CheckNoChangesMode` are exempt to comply with VE\n * behavior.\n *\n * @param lView current `LView`\n * @param bindingIndex The binding in the `LView` to check\n * @param value New value to check against `lView[bindingIndex]`\n * @returns `true` if the bindings has changed. (Throws if binding has changed during\n *          `CheckNoChangesMode`)\n */\nfunction bindingUpdated(lView, bindingIndex, value) {\n    ngDevMode && assertNotSame(value, NO_CHANGE, 'Incoming value should never be NO_CHANGE.');\n    ngDevMode &&\n        assertLessThan(bindingIndex, lView.length, \"Slot should have been initialized to NO_CHANGE\");\n    var oldValue = lView[bindingIndex];\n    if (Object.is(oldValue, value)) {\n        return false;\n    }\n    else {\n        if (ngDevMode && getCheckNoChangesMode()) {\n            // View engine didn't report undefined values as changed on the first checkNoChanges pass\n            // (before the change detection was run).\n            var oldValueToCompare = oldValue !== NO_CHANGE ? oldValue : undefined;\n            if (!devModeEqual$1(oldValueToCompare, value)) {\n                var details = getExpressionChangedErrorDetails(lView, bindingIndex, oldValueToCompare, value);\n                throwErrorIfNoChangesMode(oldValue === NO_CHANGE, details.oldValue, details.newValue, details.propName);\n            }\n            // There was a change, but the `devModeEqual` decided that the change is exempt from an error.\n            // For this reason we exit as if no change. The early exit is needed to prevent the changed\n            // value to be written into `LView` (If we would write the new value that we would not see it\n            // as change on next CD.)\n            return false;\n        }\n        lView[bindingIndex] = value;\n        return true;\n    }\n}\n/** Updates 2 bindings if changed, then returns whether either was updated. */\nfunction bindingUpdated2(lView, bindingIndex, exp1, exp2) {\n    var different = bindingUpdated(lView, bindingIndex, exp1);\n    return bindingUpdated(lView, bindingIndex + 1, exp2) || different;\n}\n/** Updates 3 bindings if changed, then returns whether any was updated. */\nfunction bindingUpdated3(lView, bindingIndex, exp1, exp2, exp3) {\n    var different = bindingUpdated2(lView, bindingIndex, exp1, exp2);\n    return bindingUpdated(lView, bindingIndex + 2, exp3) || different;\n}\n/** Updates 4 bindings if changed, then returns whether any was updated. */\nfunction bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4) {\n    var different = bindingUpdated2(lView, bindingIndex, exp1, exp2);\n    return bindingUpdated2(lView, bindingIndex + 2, exp3, exp4) || different;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Updates the value of or removes a bound attribute on an Element.\n *\n * Used in the case of `[attr.title]=\"value\"`\n *\n * @param name name The name of the attribute.\n * @param value value The attribute is removed when value is `null` or `undefined`.\n *                  Otherwise the attribute value is set to the stringified value.\n * @param sanitizer An optional function used to sanitize the value.\n * @param namespace Optional namespace to use when setting the attribute.\n *\n * @codeGenApi\n */\nfunction ɵɵattribute(name, value, sanitizer, namespace) {\n    var lView = getLView();\n    var bindingIndex = nextBindingIndex();\n    if (bindingUpdated(lView, bindingIndex, value)) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementAttributeInternal(nodeIndex, name, value, tView, lView, sanitizer, namespace);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, 'attr.' + name, bindingIndex);\n    }\n    return ɵɵattribute;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Create interpolation bindings with a variable number of expressions.\n *\n * If there are 1 to 8 expressions `interpolation1()` to `interpolation8()` should be used instead.\n * Those are faster because there is no need to create an array of expressions and iterate over it.\n *\n * `values`:\n * - has static text at even indexes,\n * - has evaluated expressions at odd indexes.\n *\n * Returns the concatenated string when any of the arguments changes, `NO_CHANGE` otherwise.\n */\nfunction interpolationV(lView, values) {\n    ngDevMode && assertLessThan(2, values.length, 'should have at least 3 values');\n    ngDevMode && assertEqual(values.length % 2, 1, 'should have an odd number of values');\n    var isBindingUpdated = false;\n    var bindingIndex = getBindingIndex();\n    for (var i = 1; i < values.length; i += 2) {\n        // Check if bindings (odd indexes) have changed\n        isBindingUpdated = bindingUpdated(lView, bindingIndex++, values[i]) || isBindingUpdated;\n    }\n    setBindingIndex(bindingIndex);\n    if (!isBindingUpdated) {\n        return NO_CHANGE;\n    }\n    // Build the updated content\n    var content = values[0];\n    for (var i = 1; i < values.length; i += 2) {\n        content += renderStringify(values[i]) + values[i + 1];\n    }\n    return content;\n}\n/**\n * Creates an interpolation binding with 1 expression.\n *\n * @param prefix static value used for concatenation only.\n * @param v0 value checked for change.\n * @param suffix static value used for concatenation only.\n */\nfunction interpolation1(lView, prefix, v0, suffix) {\n    var different = bindingUpdated(lView, nextBindingIndex(), v0);\n    return different ? prefix + renderStringify(v0) + suffix : NO_CHANGE;\n}\n/**\n * Creates an interpolation binding with 2 expressions.\n */\nfunction interpolation2(lView, prefix, v0, i0, v1, suffix) {\n    var bindingIndex = getBindingIndex();\n    var different = bindingUpdated2(lView, bindingIndex, v0, v1);\n    incrementBindingIndex(2);\n    return different ? prefix + renderStringify(v0) + i0 + renderStringify(v1) + suffix : NO_CHANGE;\n}\n/**\n * Creates an interpolation binding with 3 expressions.\n */\nfunction interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix) {\n    var bindingIndex = getBindingIndex();\n    var different = bindingUpdated3(lView, bindingIndex, v0, v1, v2);\n    incrementBindingIndex(3);\n    return different ?\n        prefix + renderStringify(v0) + i0 + renderStringify(v1) + i1 + renderStringify(v2) + suffix :\n        NO_CHANGE;\n}\n/**\n * Create an interpolation binding with 4 expressions.\n */\nfunction interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix) {\n    var bindingIndex = getBindingIndex();\n    var different = bindingUpdated4(lView, bindingIndex, v0, v1, v2, v3);\n    incrementBindingIndex(4);\n    return different ?\n        prefix + renderStringify(v0) + i0 + renderStringify(v1) + i1 + renderStringify(v2) + i2 +\n            renderStringify(v3) + suffix :\n        NO_CHANGE;\n}\n/**\n * Creates an interpolation binding with 5 expressions.\n */\nfunction interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix) {\n    var bindingIndex = getBindingIndex();\n    var different = bindingUpdated4(lView, bindingIndex, v0, v1, v2, v3);\n    different = bindingUpdated(lView, bindingIndex + 4, v4) || different;\n    incrementBindingIndex(5);\n    return different ?\n        prefix + renderStringify(v0) + i0 + renderStringify(v1) + i1 + renderStringify(v2) + i2 +\n            renderStringify(v3) + i3 + renderStringify(v4) + suffix :\n        NO_CHANGE;\n}\n/**\n * Creates an interpolation binding with 6 expressions.\n */\nfunction interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix) {\n    var bindingIndex = getBindingIndex();\n    var different = bindingUpdated4(lView, bindingIndex, v0, v1, v2, v3);\n    different = bindingUpdated2(lView, bindingIndex + 4, v4, v5) || different;\n    incrementBindingIndex(6);\n    return different ?\n        prefix + renderStringify(v0) + i0 + renderStringify(v1) + i1 + renderStringify(v2) + i2 +\n            renderStringify(v3) + i3 + renderStringify(v4) + i4 + renderStringify(v5) + suffix :\n        NO_CHANGE;\n}\n/**\n * Creates an interpolation binding with 7 expressions.\n */\nfunction interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix) {\n    var bindingIndex = getBindingIndex();\n    var different = bindingUpdated4(lView, bindingIndex, v0, v1, v2, v3);\n    different = bindingUpdated3(lView, bindingIndex + 4, v4, v5, v6) || different;\n    incrementBindingIndex(7);\n    return different ?\n        prefix + renderStringify(v0) + i0 + renderStringify(v1) + i1 + renderStringify(v2) + i2 +\n            renderStringify(v3) + i3 + renderStringify(v4) + i4 + renderStringify(v5) + i5 +\n            renderStringify(v6) + suffix :\n        NO_CHANGE;\n}\n/**\n * Creates an interpolation binding with 8 expressions.\n */\nfunction interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix) {\n    var bindingIndex = getBindingIndex();\n    var different = bindingUpdated4(lView, bindingIndex, v0, v1, v2, v3);\n    different = bindingUpdated4(lView, bindingIndex + 4, v4, v5, v6, v7) || different;\n    incrementBindingIndex(8);\n    return different ?\n        prefix + renderStringify(v0) + i0 + renderStringify(v1) + i1 + renderStringify(v2) + i2 +\n            renderStringify(v3) + i3 + renderStringify(v4) + i4 + renderStringify(v5) + i5 +\n            renderStringify(v6) + i6 + renderStringify(v7) + suffix :\n        NO_CHANGE;\n}\n\n/**\n *\n * Update an interpolated attribute on an element with single bound value surrounded by text.\n *\n * Used when the value passed to a property has 1 interpolated value in it:\n *\n * ```html\n * <div attr.title=\"prefix{{v0}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵattributeInterpolate1('title', 'prefix', v0, 'suffix');\n * ```\n *\n * @param attrName The name of the attribute to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵattributeInterpolate1(attrName, prefix, v0, suffix, sanitizer, namespace) {\n    var lView = getLView();\n    var interpolatedValue = interpolation1(lView, prefix, v0, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementAttributeInternal(nodeIndex, attrName, interpolatedValue, tView, lView, sanitizer, namespace);\n        ngDevMode &&\n            storePropertyBindingMetadata(tView.data, nodeIndex, 'attr.' + attrName, getBindingIndex() - 1, prefix, suffix);\n    }\n    return ɵɵattributeInterpolate1;\n}\n/**\n *\n * Update an interpolated attribute on an element with 2 bound values surrounded by text.\n *\n * Used when the value passed to a property has 2 interpolated values in it:\n *\n * ```html\n * <div attr.title=\"prefix{{v0}}-{{v1}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵattributeInterpolate2('title', 'prefix', v0, '-', v1, 'suffix');\n * ```\n *\n * @param attrName The name of the attribute to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵattributeInterpolate2(attrName, prefix, v0, i0, v1, suffix, sanitizer, namespace) {\n    var lView = getLView();\n    var interpolatedValue = interpolation2(lView, prefix, v0, i0, v1, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementAttributeInternal(nodeIndex, attrName, interpolatedValue, tView, lView, sanitizer, namespace);\n        ngDevMode &&\n            storePropertyBindingMetadata(tView.data, nodeIndex, 'attr.' + attrName, getBindingIndex() - 2, prefix, i0, suffix);\n    }\n    return ɵɵattributeInterpolate2;\n}\n/**\n *\n * Update an interpolated attribute on an element with 3 bound values surrounded by text.\n *\n * Used when the value passed to a property has 3 interpolated values in it:\n *\n * ```html\n * <div attr.title=\"prefix{{v0}}-{{v1}}-{{v2}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵattributeInterpolate3(\n * 'title', 'prefix', v0, '-', v1, '-', v2, 'suffix');\n * ```\n *\n * @param attrName The name of the attribute to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵattributeInterpolate3(attrName, prefix, v0, i0, v1, i1, v2, suffix, sanitizer, namespace) {\n    var lView = getLView();\n    var interpolatedValue = interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementAttributeInternal(nodeIndex, attrName, interpolatedValue, tView, lView, sanitizer, namespace);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, 'attr.' + attrName, getBindingIndex() - 3, prefix, i0, i1, suffix);\n    }\n    return ɵɵattributeInterpolate3;\n}\n/**\n *\n * Update an interpolated attribute on an element with 4 bound values surrounded by text.\n *\n * Used when the value passed to a property has 4 interpolated values in it:\n *\n * ```html\n * <div attr.title=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵattributeInterpolate4(\n * 'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, 'suffix');\n * ```\n *\n * @param attrName The name of the attribute to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵattributeInterpolate4(attrName, prefix, v0, i0, v1, i1, v2, i2, v3, suffix, sanitizer, namespace) {\n    var lView = getLView();\n    var interpolatedValue = interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementAttributeInternal(nodeIndex, attrName, interpolatedValue, tView, lView, sanitizer, namespace);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, 'attr.' + attrName, getBindingIndex() - 4, prefix, i0, i1, i2, suffix);\n    }\n    return ɵɵattributeInterpolate4;\n}\n/**\n *\n * Update an interpolated attribute on an element with 5 bound values surrounded by text.\n *\n * Used when the value passed to a property has 5 interpolated values in it:\n *\n * ```html\n * <div attr.title=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵattributeInterpolate5(\n * 'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, 'suffix');\n * ```\n *\n * @param attrName The name of the attribute to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵattributeInterpolate5(attrName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix, sanitizer, namespace) {\n    var lView = getLView();\n    var interpolatedValue = interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementAttributeInternal(nodeIndex, attrName, interpolatedValue, tView, lView, sanitizer, namespace);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, 'attr.' + attrName, getBindingIndex() - 5, prefix, i0, i1, i2, i3, suffix);\n    }\n    return ɵɵattributeInterpolate5;\n}\n/**\n *\n * Update an interpolated attribute on an element with 6 bound values surrounded by text.\n *\n * Used when the value passed to a property has 6 interpolated values in it:\n *\n * ```html\n * <div attr.title=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵattributeInterpolate6(\n *    'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, 'suffix');\n * ```\n *\n * @param attrName The name of the attribute to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵattributeInterpolate6(attrName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix, sanitizer, namespace) {\n    var lView = getLView();\n    var interpolatedValue = interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementAttributeInternal(nodeIndex, attrName, interpolatedValue, tView, lView, sanitizer, namespace);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, 'attr.' + attrName, getBindingIndex() - 6, prefix, i0, i1, i2, i3, i4, suffix);\n    }\n    return ɵɵattributeInterpolate6;\n}\n/**\n *\n * Update an interpolated attribute on an element with 7 bound values surrounded by text.\n *\n * Used when the value passed to a property has 7 interpolated values in it:\n *\n * ```html\n * <div attr.title=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵattributeInterpolate7(\n *    'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, 'suffix');\n * ```\n *\n * @param attrName The name of the attribute to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change.\n * @param i5 Static value used for concatenation only.\n * @param v6 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵattributeInterpolate7(attrName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix, sanitizer, namespace) {\n    var lView = getLView();\n    var interpolatedValue = interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementAttributeInternal(nodeIndex, attrName, interpolatedValue, tView, lView, sanitizer, namespace);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, 'attr.' + attrName, getBindingIndex() - 7, prefix, i0, i1, i2, i3, i4, i5, suffix);\n    }\n    return ɵɵattributeInterpolate7;\n}\n/**\n *\n * Update an interpolated attribute on an element with 8 bound values surrounded by text.\n *\n * Used when the value passed to a property has 8 interpolated values in it:\n *\n * ```html\n * <div attr.title=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵattributeInterpolate8(\n *  'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, 'suffix');\n * ```\n *\n * @param attrName The name of the attribute to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change.\n * @param i5 Static value used for concatenation only.\n * @param v6 Value checked for change.\n * @param i6 Static value used for concatenation only.\n * @param v7 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵattributeInterpolate8(attrName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix, sanitizer, namespace) {\n    var lView = getLView();\n    var interpolatedValue = interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementAttributeInternal(nodeIndex, attrName, interpolatedValue, tView, lView, sanitizer, namespace);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, 'attr.' + attrName, getBindingIndex() - 8, prefix, i0, i1, i2, i3, i4, i5, i6, suffix);\n    }\n    return ɵɵattributeInterpolate8;\n}\n/**\n * Update an interpolated attribute on an element with 8 or more bound values surrounded by text.\n *\n * Used when the number of interpolated values exceeds 7.\n *\n * ```html\n * <div\n *  title=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}-{{v8}}-{{v9}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵattributeInterpolateV(\n *  'title', ['prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, '-', v9,\n *  'suffix']);\n * ```\n *\n * @param attrName The name of the attribute to update.\n * @param values The a collection of values and the strings in-between those values, beginning with\n * a string prefix and ending with a string suffix.\n * (e.g. `['prefix', value0, '-', value1, '-', value2, ..., value99, 'suffix']`)\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵattributeInterpolateV(attrName, values, sanitizer, namespace) {\n    var lView = getLView();\n    var interpolated = interpolationV(lView, values);\n    if (interpolated !== NO_CHANGE) {\n        var tView = getTView();\n        var nodeIndex = getSelectedIndex();\n        elementAttributeInternal(nodeIndex, attrName, interpolated, tView, lView, sanitizer, namespace);\n        if (ngDevMode) {\n            var interpolationInBetween = [values[0]]; // prefix\n            for (var i = 2; i < values.length; i += 2) {\n                interpolationInBetween.push(values[i]);\n            }\n            storePropertyBindingMetadata.apply(void 0, __spread([tView.data, nodeIndex, 'attr.' + attrName,\n                getBindingIndex() - interpolationInBetween.length + 1], interpolationInBetween));\n        }\n    }\n    return ɵɵattributeInterpolateV;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Synchronously perform change detection on a component (and possibly its sub-components).\n *\n * This function triggers change detection in a synchronous way on a component.\n *\n * @param component The component which the change detection should be performed on.\n */\nfunction detectChanges(component) {\n    var view = getComponentViewByInstance(component);\n    detectChangesInternal(view[TVIEW], view, component);\n}\n/**\n * Marks the component as dirty (needing change detection). Marking a component dirty will\n * schedule a change detection on it at some point in the future.\n *\n * Marking an already dirty component as dirty won't do anything. Only one outstanding change\n * detection can be scheduled per component tree.\n *\n * @param component Component to mark as dirty.\n */\nfunction markDirty(component) {\n    ngDevMode && assertDefined(component, 'component');\n    var rootView = markViewDirty(getComponentViewByInstance(component));\n    ngDevMode && assertDefined(rootView[CONTEXT], 'rootContext should be defined');\n    scheduleTick(rootView[CONTEXT], 1 /* DetectChanges */);\n}\n/**\n * Used to perform change detection on the whole application.\n *\n * This is equivalent to `detectChanges`, but invoked on root component. Additionally, `tick`\n * executes lifecycle hooks and conditionally checks components based on their\n * `ChangeDetectionStrategy` and dirtiness.\n *\n * The preferred way to trigger change detection is to call `markDirty`. `markDirty` internally\n * schedules `tick` using a scheduler in order to coalesce multiple `markDirty` calls into a\n * single change detection run. By default, the scheduler is `requestAnimationFrame`, but can\n * be changed when calling `renderComponent` and providing the `scheduler` option.\n */\nfunction tick(component) {\n    var rootView = getRootView(component);\n    var rootContext = rootView[CONTEXT];\n    tickRootContext(rootContext);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Creates an LContainer for inline views, e.g.\n *\n * % if (showing) {\n *   <div></div>\n * % }\n *\n * @param index The index of the container in the data array\n *\n * @codeGenApi\n */\nfunction ɵɵcontainer(index) {\n    var lView = getLView();\n    var tView = getTView();\n    var tNode = containerInternal(tView, lView, index, null, null);\n    if (tView.firstCreatePass) {\n        tNode.tViews = [];\n    }\n    setIsNotParent();\n}\nfunction templateFirstCreatePass(index, tView, lView, templateFn, decls, vars, tagName, attrsIndex, localRefsIndex) {\n    ngDevMode && assertFirstCreatePass(tView);\n    ngDevMode && ngDevMode.firstCreatePass++;\n    var tViewConsts = tView.consts;\n    // TODO(pk): refactor getOrCreateTNode to have the \"create\" only version\n    var tNode = getOrCreateTNode(tView, lView[T_HOST], index, 0 /* Container */, tagName || null, getConstant(tViewConsts, attrsIndex));\n    resolveDirectives(tView, lView, tNode, getConstant(tViewConsts, localRefsIndex));\n    registerPostOrderHooks(tView, tNode);\n    var embeddedTView = tNode.tViews = createTView(2 /* Embedded */, -1, templateFn, decls, vars, tView.directiveRegistry, tView.pipeRegistry, null, tView.schemas, tViewConsts);\n    var embeddedTViewNode = createTNode(tView, null, 2 /* View */, -1, null, null);\n    embeddedTViewNode.injectorIndex = tNode.injectorIndex;\n    embeddedTView.node = embeddedTViewNode;\n    if (tView.queries !== null) {\n        tView.queries.template(tView, tNode);\n        embeddedTView.queries = tView.queries.embeddedTView(tNode);\n    }\n    return tNode;\n}\n/**\n * Creates an LContainer for an ng-template (dynamically-inserted view), e.g.\n *\n * <ng-template #foo>\n *    <div></div>\n * </ng-template>\n *\n * @param index The index of the container in the data array\n * @param templateFn Inline template\n * @param decls The number of nodes, local refs, and pipes for this template\n * @param vars The number of bindings for this template\n * @param tagName The name of the container element, if applicable\n * @param attrsIndex Index of template attributes in the `consts` array.\n * @param localRefs Index of the local references in the `consts` array.\n * @param localRefExtractor A function which extracts local-refs values from the template.\n *        Defaults to the current element associated with the local-ref.\n *\n * @codeGenApi\n */\nfunction ɵɵtemplate(index, templateFn, decls, vars, tagName, attrsIndex, localRefsIndex, localRefExtractor) {\n    var lView = getLView();\n    var tView = getTView();\n    var adjustedIndex = index + HEADER_OFFSET;\n    var tNode = tView.firstCreatePass ?\n        templateFirstCreatePass(index, tView, lView, templateFn, decls, vars, tagName, attrsIndex, localRefsIndex) :\n        tView.data[adjustedIndex];\n    setPreviousOrParentTNode(tNode, false);\n    var comment = lView[RENDERER].createComment(ngDevMode ? 'container' : '');\n    appendChild(tView, lView, comment, tNode);\n    attachPatchData(comment, lView);\n    addToViewTree(lView, lView[adjustedIndex] = createLContainer(comment, lView, comment, tNode));\n    if (isDirectiveHost(tNode)) {\n        createDirectivesInstances(tView, lView, tNode);\n    }\n    if (localRefsIndex != null) {\n        saveResolvedLocalsInData(lView, tNode, localRefExtractor);\n    }\n}\n/**\n * Sets a container up to receive views.\n *\n * @param index The index of the container in the data array\n *\n * @codeGenApi\n */\nfunction ɵɵcontainerRefreshStart(index) {\n    var lView = getLView();\n    var tView = getTView();\n    var previousOrParentTNode = load(tView.data, index);\n    ngDevMode && assertNodeType(previousOrParentTNode, 0 /* Container */);\n    setPreviousOrParentTNode(previousOrParentTNode, true);\n    lView[index + HEADER_OFFSET][ACTIVE_INDEX] = 0;\n    // We need to execute init hooks here so ngOnInit hooks are called in top level views\n    // before they are called in embedded views (for backwards compatibility).\n    if (!getCheckNoChangesMode()) {\n        var hooksInitPhaseCompleted = (lView[FLAGS] & 3 /* InitPhaseStateMask */) === 3 /* InitPhaseCompleted */;\n        if (hooksInitPhaseCompleted) {\n            var preOrderCheckHooks = tView.preOrderCheckHooks;\n            if (preOrderCheckHooks !== null) {\n                executeCheckHooks(lView, preOrderCheckHooks, null);\n            }\n        }\n        else {\n            var preOrderHooks = tView.preOrderHooks;\n            if (preOrderHooks !== null) {\n                executeInitAndCheckHooks(lView, preOrderHooks, 0 /* OnInitHooksToBeRun */, null);\n            }\n            incrementInitPhaseFlags(lView, 0 /* OnInitHooksToBeRun */);\n        }\n    }\n}\n/**\n * Marks the end of the LContainer.\n *\n * Marking the end of LContainer is the time when to child views get inserted or removed.\n *\n * @codeGenApi\n */\nfunction ɵɵcontainerRefreshEnd() {\n    var previousOrParentTNode = getPreviousOrParentTNode();\n    if (getIsParent()) {\n        setIsNotParent();\n    }\n    else {\n        ngDevMode && assertNodeType(previousOrParentTNode, 2 /* View */);\n        ngDevMode && assertHasParent(previousOrParentTNode);\n        previousOrParentTNode = previousOrParentTNode.parent;\n        setPreviousOrParentTNode(previousOrParentTNode, false);\n    }\n    ngDevMode && assertNodeType(previousOrParentTNode, 0 /* Container */);\n    var lContainer = getLView()[previousOrParentTNode.index];\n    var nextIndex = getLContainerActiveIndex(lContainer);\n    // remove extra views at the end of the container\n    while (nextIndex < lContainer.length - CONTAINER_HEADER_OFFSET) {\n        removeView(lContainer, nextIndex);\n    }\n}\nfunction containerInternal(tView, lView, nodeIndex, tagName, attrs) {\n    ngDevMode && assertEqual(getBindingIndex(), tView.bindingStartIndex, 'container nodes should be created before any bindings');\n    var adjustedIndex = nodeIndex + HEADER_OFFSET;\n    ngDevMode && assertDataInRange(lView, nodeIndex + HEADER_OFFSET);\n    ngDevMode && ngDevMode.rendererCreateComment++;\n    var comment = lView[adjustedIndex] =\n        lView[RENDERER].createComment(ngDevMode ? 'container' : '');\n    var tNode = getOrCreateTNode(tView, lView[T_HOST], nodeIndex, 0 /* Container */, tagName, attrs);\n    var lContainer = lView[adjustedIndex] = createLContainer(comment, lView, comment, tNode);\n    appendChild(tView, lView, comment, tNode);\n    attachPatchData(comment, lView);\n    // Containers are added to the current view tree instead of their embedded views\n    // because views can be removed and re-inserted.\n    addToViewTree(lView, lContainer);\n    ngDevMode && assertNodeType(getPreviousOrParentTNode(), 0 /* Container */);\n    return tNode;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Store a value in the `data` at a given `index`. */\nfunction store(tView, lView, index, value) {\n    // We don't store any static data for local variables, so the first time\n    // we see the template, we should store as null to avoid a sparse array\n    var adjustedIndex = index + HEADER_OFFSET;\n    if (adjustedIndex >= tView.data.length) {\n        tView.data[adjustedIndex] = null;\n        tView.blueprint[adjustedIndex] = null;\n    }\n    lView[adjustedIndex] = value;\n}\n/**\n * Retrieves a local reference from the current contextViewData.\n *\n * If the reference to retrieve is in a parent view, this instruction is used in conjunction\n * with a nextContext() call, which walks up the tree and updates the contextViewData instance.\n *\n * @param index The index of the local ref in contextViewData.\n *\n * @codeGenApi\n */\nfunction ɵɵreference(index) {\n    var contextLView = getContextLView();\n    return load(contextLView, index);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction ɵɵdirectiveInject(token, flags) {\n    if (flags === void 0) { flags = InjectFlags.Default; }\n    var lView = getLView();\n    // Fall back to inject() if view hasn't been created. This situation can happen in tests\n    // if inject utilities are used before bootstrapping.\n    if (lView == null)\n        return ɵɵinject(token, flags);\n    var tNode = getPreviousOrParentTNode();\n    return getOrCreateInjectable(tNode, lView, resolveForwardRef(token), flags);\n}\n/**\n * Facade for the attribute injection from DI.\n *\n * @codeGenApi\n */\nfunction ɵɵinjectAttribute(attrNameToInject) {\n    return injectAttributeImpl(getPreviousOrParentTNode(), attrNameToInject);\n}\n/**\n * Throws an error indicating that a factory function could not be generated by the compiler for a\n * particular class.\n *\n * This instruction allows the actual error message to be optimized away when ngDevMode is turned\n * off, saving bytes of generated code while still providing a good experience in dev mode.\n *\n * The name of the class is not mentioned here, but will be in the generated factory function name\n * and thus in the stack trace.\n *\n * @codeGenApi\n */\nfunction ɵɵinvalidFactory() {\n    var msg = ngDevMode ? \"This constructor was not compatible with Dependency Injection.\" : 'invalid';\n    throw new Error(msg);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Update a property on a selected element.\n *\n * Operates on the element selected by index via the {@link select} instruction.\n *\n * If the property name also exists as an input property on one of the element's directives,\n * the component property will be set instead of the element property. This check must\n * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled\n *\n * @param propName Name of property. Because it is going to DOM, this is not subject to\n *        renaming as part of minification.\n * @param value New value to write.\n * @param sanitizer An optional function used to sanitize the value.\n * @returns This function returns itself so that it may be chained\n * (e.g. `property('name', ctx.name)('title', ctx.title)`)\n *\n * @codeGenApi\n */\nfunction ɵɵproperty(propName, value, sanitizer) {\n    var lView = getLView();\n    var bindingIndex = nextBindingIndex();\n    if (bindingUpdated(lView, bindingIndex, value)) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementPropertyInternal(tView, lView, nodeIndex, propName, value, sanitizer);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, propName, bindingIndex);\n    }\n    return ɵɵproperty;\n}\n/**\n * Given `<div style=\"...\" my-dir>` and `MyDir` with `@Input('style')` we need to write to\n * directive input.\n */\nfunction setDirectiveInputsWhichShadowsStyling(tView, tNode, lView, value, isClassBased) {\n    var inputs = tNode.inputs;\n    var property = isClassBased ? 'class' : 'style';\n    // We support both 'class' and `className` hence the fallback.\n    var stylingInputs = inputs[property] || (isClassBased && inputs['className']);\n    setInputsForProperty(tView, lView, stylingInputs, property, value);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction elementStartFirstCreatePass(index, tView, lView, native, name, attrsIndex, localRefsIndex) {\n    ngDevMode && assertFirstCreatePass(tView);\n    ngDevMode && ngDevMode.firstCreatePass++;\n    var tViewConsts = tView.consts;\n    var attrs = getConstant(tViewConsts, attrsIndex);\n    var tNode = getOrCreateTNode(tView, lView[T_HOST], index, 3 /* Element */, name, attrs);\n    var hasDirectives = resolveDirectives(tView, lView, tNode, getConstant(tViewConsts, localRefsIndex));\n    ngDevMode && warnAboutUnknownElement(tView, lView, native, tNode, hasDirectives);\n    if (tNode.mergedAttrs !== null) {\n        computeStaticStyling(tNode, tNode.mergedAttrs);\n    }\n    if (tView.queries !== null) {\n        tView.queries.elementStart(tView, tNode);\n    }\n    return tNode;\n}\n/**\n * Create DOM element. The instruction must later be followed by `elementEnd()` call.\n *\n * @param index Index of the element in the LView array\n * @param name Name of the DOM Node\n * @param attrsIndex Index of the element's attributes in the `consts` array.\n * @param localRefsIndex Index of the element's local references in the `consts` array.\n *\n * Attributes and localRefs are passed as an array of strings where elements with an even index\n * hold an attribute name and elements with an odd index hold an attribute value, ex.:\n * ['id', 'warning5', 'class', 'alert']\n *\n * @codeGenApi\n */\nfunction ɵɵelementStart(index, name, attrsIndex, localRefsIndex) {\n    var lView = getLView();\n    var tView = getTView();\n    var adjustedIndex = HEADER_OFFSET + index;\n    ngDevMode && assertEqual(getBindingIndex(), tView.bindingStartIndex, 'elements should be created before any bindings');\n    ngDevMode && ngDevMode.rendererCreateElement++;\n    ngDevMode && assertDataInRange(lView, adjustedIndex);\n    var renderer = lView[RENDERER];\n    var native = lView[adjustedIndex] = elementCreate(name, renderer, getNamespace());\n    var tNode = tView.firstCreatePass ?\n        elementStartFirstCreatePass(index, tView, lView, native, name, attrsIndex, localRefsIndex) :\n        tView.data[adjustedIndex];\n    setPreviousOrParentTNode(tNode, true);\n    var mergedAttrs = tNode.mergedAttrs;\n    if (mergedAttrs !== null) {\n        setUpAttributes(renderer, native, mergedAttrs);\n    }\n    var classes = tNode.classes;\n    if (classes !== null) {\n        writeDirectClass(renderer, native, classes);\n    }\n    var styles = tNode.styles;\n    if (styles !== null) {\n        writeDirectStyle(renderer, native, styles);\n    }\n    appendChild(tView, lView, native, tNode);\n    // any immediate children of a component or template container must be pre-emptively\n    // monkey-patched with the component view data so that the element can be inspected\n    // later on using any element discovery utility methods (see `element_discovery.ts`)\n    if (getElementDepthCount() === 0) {\n        attachPatchData(native, lView);\n    }\n    increaseElementDepthCount();\n    if (isDirectiveHost(tNode)) {\n        createDirectivesInstances(tView, lView, tNode);\n        executeContentQueries(tView, tNode, lView);\n    }\n    if (localRefsIndex !== null) {\n        saveResolvedLocalsInData(lView, tNode);\n    }\n}\n/**\n * Mark the end of the element.\n *\n * @codeGenApi\n */\nfunction ɵɵelementEnd() {\n    var previousOrParentTNode = getPreviousOrParentTNode();\n    ngDevMode && assertDefined(previousOrParentTNode, 'No parent node to close.');\n    if (getIsParent()) {\n        setIsNotParent();\n    }\n    else {\n        ngDevMode && assertHasParent(getPreviousOrParentTNode());\n        previousOrParentTNode = previousOrParentTNode.parent;\n        setPreviousOrParentTNode(previousOrParentTNode, false);\n    }\n    var tNode = previousOrParentTNode;\n    ngDevMode && assertNodeType(tNode, 3 /* Element */);\n    decreaseElementDepthCount();\n    var tView = getTView();\n    if (tView.firstCreatePass) {\n        registerPostOrderHooks(tView, previousOrParentTNode);\n        if (isContentQueryHost(previousOrParentTNode)) {\n            tView.queries.elementEnd(previousOrParentTNode);\n        }\n    }\n    if (tNode.classes !== null && hasClassInput(tNode)) {\n        setDirectiveInputsWhichShadowsStyling(tView, tNode, getLView(), tNode.classes, true);\n    }\n    if (tNode.styles !== null && hasStyleInput(tNode)) {\n        setDirectiveInputsWhichShadowsStyling(tView, tNode, getLView(), tNode.styles, false);\n    }\n}\n/**\n * Creates an empty element using {@link elementStart} and {@link elementEnd}\n *\n * @param index Index of the element in the data array\n * @param name Name of the DOM Node\n * @param attrsIndex Index of the element's attributes in the `consts` array.\n * @param localRefsIndex Index of the element's local references in the `consts` array.\n *\n * @codeGenApi\n */\nfunction ɵɵelement(index, name, attrsIndex, localRefsIndex) {\n    ɵɵelementStart(index, name, attrsIndex, localRefsIndex);\n    ɵɵelementEnd();\n}\nfunction warnAboutUnknownElement(tView, lView, element, tNode, hasDirectives) {\n    var schemas = tView.schemas;\n    // If `schemas` is set to `null`, that's an indication that this Component was compiled in AOT\n    // mode where this check happens at compile time. In JIT mode, `schemas` is always present and\n    // defined as an array (as an empty array in case `schemas` field is not defined) and we should\n    // execute the check below.\n    if (schemas === null)\n        return;\n    var tagName = tNode.tagName;\n    // If the element matches any directive, it's considered as valid.\n    if (!hasDirectives && tagName !== null) {\n        // The element is unknown if it's an instance of HTMLUnknownElement or it isn't registered\n        // as a custom element. Note that unknown elements with a dash in their name won't be instances\n        // of HTMLUnknownElement in browsers that support web components.\n        var isUnknown = \n        // Note that we can't check for `typeof HTMLUnknownElement === 'function'`,\n        // because while most browsers return 'function', IE returns 'object'.\n        (typeof HTMLUnknownElement !== 'undefined' && HTMLUnknownElement &&\n            element instanceof HTMLUnknownElement) ||\n            (typeof customElements !== 'undefined' && tagName.indexOf('-') > -1 &&\n                !customElements.get(tagName));\n        if (isUnknown && !matchingSchemas(tView, lView, tagName)) {\n            var warning = \"'\" + tagName + \"' is not a known element:\\n\";\n            warning +=\n                \"1. If '\" + tagName + \"' is an Angular component, then verify that it is part of this module.\\n\";\n            if (tagName && tagName.indexOf('-') > -1) {\n                warning +=\n                    \"2. If '\" + tagName + \"' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message.\";\n            }\n            else {\n                warning +=\n                    \"2. To allow any element add 'NO_ERRORS_SCHEMA' to the '@NgModule.schemas' of this component.\";\n            }\n            console.warn(warning);\n        }\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction elementContainerStartFirstCreatePass(index, tView, lView, attrsIndex, localRefsIndex) {\n    ngDevMode && ngDevMode.firstCreatePass++;\n    var tViewConsts = tView.consts;\n    var attrs = getConstant(tViewConsts, attrsIndex);\n    var tNode = getOrCreateTNode(tView, lView[T_HOST], index, 4 /* ElementContainer */, 'ng-container', attrs);\n    // While ng-container doesn't necessarily support styling, we use the style context to identify\n    // and execute directives on the ng-container.\n    if (attrs !== null) {\n        computeStaticStyling(tNode, attrs);\n    }\n    var localRefs = getConstant(tViewConsts, localRefsIndex);\n    resolveDirectives(tView, lView, tNode, localRefs);\n    if (tView.queries !== null) {\n        tView.queries.elementStart(tView, tNode);\n    }\n    return tNode;\n}\n/**\n * Creates a logical container for other nodes (<ng-container>) backed by a comment node in the DOM.\n * The instruction must later be followed by `elementContainerEnd()` call.\n *\n * @param index Index of the element in the LView array\n * @param attrsIndex Index of the container attributes in the `consts` array.\n * @param localRefsIndex Index of the container's local references in the `consts` array.\n *\n * Even if this instruction accepts a set of attributes no actual attribute values are propagated to\n * the DOM (as a comment node can't have attributes). Attributes are here only for directive\n * matching purposes and setting initial inputs of directives.\n *\n * @codeGenApi\n */\nfunction ɵɵelementContainerStart(index, attrsIndex, localRefsIndex) {\n    var lView = getLView();\n    var tView = getTView();\n    var adjustedIndex = index + HEADER_OFFSET;\n    ngDevMode && assertDataInRange(lView, adjustedIndex);\n    ngDevMode && assertEqual(getBindingIndex(), tView.bindingStartIndex, 'element containers should be created before any bindings');\n    var tNode = tView.firstCreatePass ?\n        elementContainerStartFirstCreatePass(index, tView, lView, attrsIndex, localRefsIndex) :\n        tView.data[adjustedIndex];\n    setPreviousOrParentTNode(tNode, true);\n    ngDevMode && ngDevMode.rendererCreateComment++;\n    var native = lView[adjustedIndex] =\n        lView[RENDERER].createComment(ngDevMode ? 'ng-container' : '');\n    appendChild(tView, lView, native, tNode);\n    attachPatchData(native, lView);\n    if (isDirectiveHost(tNode)) {\n        createDirectivesInstances(tView, lView, tNode);\n        executeContentQueries(tView, tNode, lView);\n    }\n    if (localRefsIndex != null) {\n        saveResolvedLocalsInData(lView, tNode);\n    }\n}\n/**\n * Mark the end of the <ng-container>.\n *\n * @codeGenApi\n */\nfunction ɵɵelementContainerEnd() {\n    var previousOrParentTNode = getPreviousOrParentTNode();\n    var tView = getTView();\n    if (getIsParent()) {\n        setIsNotParent();\n    }\n    else {\n        ngDevMode && assertHasParent(previousOrParentTNode);\n        previousOrParentTNode = previousOrParentTNode.parent;\n        setPreviousOrParentTNode(previousOrParentTNode, false);\n    }\n    ngDevMode && assertNodeType(previousOrParentTNode, 4 /* ElementContainer */);\n    if (tView.firstCreatePass) {\n        registerPostOrderHooks(tView, previousOrParentTNode);\n        if (isContentQueryHost(previousOrParentTNode)) {\n            tView.queries.elementEnd(previousOrParentTNode);\n        }\n    }\n}\n/**\n * Creates an empty logical container using {@link elementContainerStart}\n * and {@link elementContainerEnd}\n *\n * @param index Index of the element in the LView array\n * @param attrsIndex Index of the container attributes in the `consts` array.\n * @param localRefsIndex Index of the container's local references in the `consts` array.\n *\n * @codeGenApi\n */\nfunction ɵɵelementContainer(index, attrsIndex, localRefsIndex) {\n    ɵɵelementContainerStart(index, attrsIndex, localRefsIndex);\n    ɵɵelementContainerEnd();\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Marks the start of an embedded view.\n *\n * @param viewBlockId The ID of this view\n * @return boolean Whether or not this view is in creation mode\n *\n * @codeGenApi\n */\nfunction ɵɵembeddedViewStart(viewBlockId, decls, vars) {\n    var lView = getLView();\n    var previousOrParentTNode = getPreviousOrParentTNode();\n    // The previous node can be a view node if we are processing an inline for loop\n    var containerTNode = previousOrParentTNode.type === 2 /* View */ ?\n        previousOrParentTNode.parent :\n        previousOrParentTNode;\n    var lContainer = lView[containerTNode.index];\n    ngDevMode && assertNodeType(containerTNode, 0 /* Container */);\n    var viewToRender = scanForView(lContainer, getLContainerActiveIndex(lContainer), viewBlockId);\n    if (viewToRender) {\n        setIsParent();\n        enterView(viewToRender, viewToRender[TVIEW].node);\n    }\n    else {\n        // When we create a new LView, we always reset the state of the instructions.\n        viewToRender = createLView(lView, getOrCreateEmbeddedTView(viewBlockId, decls, vars, containerTNode), null, 16 /* CheckAlways */, null, null);\n        var tParentNode = getIsParent() ? previousOrParentTNode :\n            previousOrParentTNode && previousOrParentTNode.parent;\n        assignTViewNodeToLView(viewToRender[TVIEW], tParentNode, viewBlockId, viewToRender);\n        enterView(viewToRender, viewToRender[TVIEW].node);\n    }\n    if (lContainer) {\n        if (isCreationMode(viewToRender)) {\n            // it is a new view, insert it into collection of views for a given container\n            insertView(viewToRender[TVIEW], viewToRender, lContainer, getLContainerActiveIndex(lContainer));\n        }\n        lContainer[ACTIVE_INDEX] += 2 /* INCREMENT */;\n    }\n    return isCreationMode(viewToRender) ? 1 /* Create */ | 2 /* Update */ :\n        2 /* Update */;\n}\n/**\n * Initialize the TView (e.g. static data) for the active embedded view.\n *\n * Each embedded view block must create or retrieve its own TView. Otherwise, the embedded view's\n * static data for a particular node would overwrite the static data for a node in the view above\n * it with the same index (since it's in the same template).\n *\n * @param viewIndex The index of the TView in TNode.tViews\n * @param decls The number of nodes, local refs, and pipes in this template\n * @param vars The number of bindings and pure function bindings in this template\n * @param container The parent container in which to look for the view's static data\n * @returns TView\n */\nfunction getOrCreateEmbeddedTView(viewIndex, decls, vars, parent) {\n    var tView = getLView()[TVIEW];\n    ngDevMode && assertNodeType(parent, 0 /* Container */);\n    var containerTViews = parent.tViews;\n    ngDevMode && assertDefined(containerTViews, 'TView expected');\n    ngDevMode && assertEqual(Array.isArray(containerTViews), true, 'TViews should be in an array');\n    if (viewIndex >= containerTViews.length || containerTViews[viewIndex] == null) {\n        containerTViews[viewIndex] = createTView(2 /* Embedded */, viewIndex, null, decls, vars, tView.directiveRegistry, tView.pipeRegistry, null, null, tView.consts);\n    }\n    return containerTViews[viewIndex];\n}\n/**\n * Looks for a view with a given view block id inside a provided LContainer.\n * Removes views that need to be deleted in the process.\n *\n * @param lContainer to search for views\n * @param startIdx starting index in the views array to search from\n * @param viewBlockId exact view block id to look for\n */\nfunction scanForView(lContainer, startIdx, viewBlockId) {\n    for (var i = startIdx + CONTAINER_HEADER_OFFSET; i < lContainer.length; i++) {\n        var viewAtPositionId = lContainer[i][TVIEW].id;\n        if (viewAtPositionId === viewBlockId) {\n            return lContainer[i];\n        }\n        else if (viewAtPositionId < viewBlockId) {\n            // found a view that should not be at this position - remove\n            removeView(lContainer, i - CONTAINER_HEADER_OFFSET);\n        }\n        else {\n            // found a view with id greater than the one we are searching for\n            // which means that required view doesn't exist and can't be found at\n            // later positions in the views array - stop the searchdef.cont here\n            break;\n        }\n    }\n    return null;\n}\n/**\n * Marks the end of an embedded view.\n *\n * @codeGenApi\n */\nfunction ɵɵembeddedViewEnd() {\n    var lView = getLView();\n    var tView = getTView();\n    var viewHost = lView[T_HOST];\n    var context = lView[CONTEXT];\n    if (isCreationMode(lView)) {\n        renderView(tView, lView, context); // creation mode pass\n    }\n    refreshView(tView, lView, tView.template, context); // update mode pass\n    var lContainer = lView[PARENT];\n    ngDevMode && assertLContainerOrUndefined(lContainer);\n    leaveView();\n    setPreviousOrParentTNode(viewHost, false);\n}\n\n/**\n * Returns the current OpaqueViewState instance.\n *\n * Used in conjunction with the restoreView() instruction to save a snapshot\n * of the current view and restore it when listeners are invoked. This allows\n * walking the declaration view tree in listeners to get vars from parent views.\n *\n * @codeGenApi\n */\nfunction ɵɵgetCurrentView() {\n    return getLView();\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Determine if the argument is shaped like a Promise\n */\nfunction isPromise(obj) {\n    // allow any Promise/A+ compliant thenable.\n    // It's up to the caller to ensure that obj.then conforms to the spec\n    return !!obj && typeof obj.then === 'function';\n}\n/**\n * Determine if the argument is an Observable\n */\nfunction isObservable(obj) {\n    // TODO: use isObservable once we update pass rxjs 6.1\n    // https://github.com/ReactiveX/rxjs/blob/master/CHANGELOG.md#610-2018-05-03\n    return !!obj && typeof obj.subscribe === 'function';\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Adds an event listener to the current node.\n *\n * If an output exists on one of the node's directives, it also subscribes to the output\n * and saves the subscription for later cleanup.\n *\n * @param eventName Name of the event\n * @param listenerFn The function to be called when event emits\n * @param useCapture Whether or not to use capture in event listener\n * @param eventTargetResolver Function that returns global target information in case this listener\n * should be attached to a global object like window, document or body\n *\n * @codeGenApi\n */\nfunction ɵɵlistener(eventName, listenerFn, useCapture, eventTargetResolver) {\n    if (useCapture === void 0) { useCapture = false; }\n    var lView = getLView();\n    var tView = getTView();\n    var tNode = getPreviousOrParentTNode();\n    listenerInternal(tView, lView, lView[RENDERER], tNode, eventName, listenerFn, useCapture, eventTargetResolver);\n    return ɵɵlistener;\n}\n/**\n* Registers a synthetic host listener (e.g. `(@foo.start)`) on a component.\n*\n* This instruction is for compatibility purposes and is designed to ensure that a\n* synthetic host listener (e.g. `@HostListener('@foo.start')`) properly gets rendered\n* in the component's renderer. Normally all host listeners are evaluated with the\n* parent component's renderer, but, in the case of animation @triggers, they need\n* to be evaluated with the sub component's renderer (because that's where the\n* animation triggers are defined).\n*\n* Do not use this instruction as a replacement for `listener`. This instruction\n* only exists to ensure compatibility with the ViewEngine's host binding behavior.\n*\n* @param eventName Name of the event\n* @param listenerFn The function to be called when event emits\n* @param useCapture Whether or not to use capture in event listener\n* @param eventTargetResolver Function that returns global target information in case this listener\n* should be attached to a global object like window, document or body\n *\n * @codeGenApi\n*/\nfunction ɵɵcomponentHostSyntheticListener(eventName, listenerFn, useCapture, eventTargetResolver) {\n    if (useCapture === void 0) { useCapture = false; }\n    var tNode = getPreviousOrParentTNode();\n    var lView = getLView();\n    var renderer = loadComponentRenderer(tNode, lView);\n    var tView = getTView();\n    listenerInternal(tView, lView, renderer, tNode, eventName, listenerFn, useCapture, eventTargetResolver);\n    return ɵɵcomponentHostSyntheticListener;\n}\n/**\n * A utility function that checks if a given element has already an event handler registered for an\n * event with a specified name. The TView.cleanup data structure is used to find out which events\n * are registered for a given element.\n */\nfunction findExistingListener(tView, lView, eventName, tNodeIdx) {\n    var tCleanup = tView.cleanup;\n    if (tCleanup != null) {\n        for (var i = 0; i < tCleanup.length - 1; i += 2) {\n            var cleanupEventName = tCleanup[i];\n            if (cleanupEventName === eventName && tCleanup[i + 1] === tNodeIdx) {\n                // We have found a matching event name on the same node but it might not have been\n                // registered yet, so we must explicitly verify entries in the LView cleanup data\n                // structures.\n                var lCleanup = lView[CLEANUP];\n                var listenerIdxInLCleanup = tCleanup[i + 2];\n                return lCleanup.length > listenerIdxInLCleanup ? lCleanup[listenerIdxInLCleanup] : null;\n            }\n            // TView.cleanup can have a mix of 4-elements entries (for event handler cleanups) or\n            // 2-element entries (for directive and queries destroy hooks). As such we can encounter\n            // blocks of 4 or 2 items in the tView.cleanup and this is why we iterate over 2 elements\n            // first and jump another 2 elements if we detect listeners cleanup (4 elements). Also check\n            // documentation of TView.cleanup for more details of this data structure layout.\n            if (typeof cleanupEventName === 'string') {\n                i += 2;\n            }\n        }\n    }\n    return null;\n}\nfunction listenerInternal(tView, lView, renderer, tNode, eventName, listenerFn, useCapture, eventTargetResolver) {\n    if (useCapture === void 0) { useCapture = false; }\n    var isTNodeDirectiveHost = isDirectiveHost(tNode);\n    var firstCreatePass = tView.firstCreatePass;\n    var tCleanup = firstCreatePass && (tView.cleanup || (tView.cleanup = []));\n    // When the ɵɵlistener instruction was generated and is executed we know that there is either a\n    // native listener or a directive output on this element. As such we we know that we will have to\n    // register a listener and store its cleanup function on LView.\n    var lCleanup = getLCleanup(lView);\n    ngDevMode && assertNodeOfPossibleTypes(tNode, 3 /* Element */, 0 /* Container */, 4 /* ElementContainer */);\n    var processOutputs = true;\n    // add native event listener - applicable to elements only\n    if (tNode.type === 3 /* Element */) {\n        var native = getNativeByTNode(tNode, lView);\n        var resolved = eventTargetResolver ? eventTargetResolver(native) : EMPTY_OBJ;\n        var target = resolved.target || native;\n        var lCleanupIndex = lCleanup.length;\n        var idxOrTargetGetter = eventTargetResolver ?\n            function (_lView) { return eventTargetResolver(unwrapRNode(_lView[tNode.index])).target; } :\n            tNode.index;\n        // In order to match current behavior, native DOM event listeners must be added for all\n        // events (including outputs).\n        if (isProceduralRenderer(renderer)) {\n            // There might be cases where multiple directives on the same element try to register an event\n            // handler function for the same event. In this situation we want to avoid registration of\n            // several native listeners as each registration would be intercepted by NgZone and\n            // trigger change detection. This would mean that a single user action would result in several\n            // change detections being invoked. To avoid this situation we want to have only one call to\n            // native handler registration (for the same element and same type of event).\n            //\n            // In order to have just one native event handler in presence of multiple handler functions,\n            // we just register a first handler function as a native event listener and then chain\n            // (coalesce) other handler functions on top of the first native handler function.\n            var existingListener = null;\n            // Please note that the coalescing described here doesn't happen for events specifying an\n            // alternative target (ex. (document:click)) - this is to keep backward compatibility with the\n            // view engine.\n            // Also, we don't have to search for existing listeners is there are no directives\n            // matching on a given node as we can't register multiple event handlers for the same event in\n            // a template (this would mean having duplicate attributes).\n            if (!eventTargetResolver && isTNodeDirectiveHost) {\n                existingListener = findExistingListener(tView, lView, eventName, tNode.index);\n            }\n            if (existingListener !== null) {\n                // Attach a new listener to coalesced listeners list, maintaining the order in which\n                // listeners are registered. For performance reasons, we keep a reference to the last\n                // listener in that list (in `__ngLastListenerFn__` field), so we can avoid going through\n                // the entire set each time we need to add a new listener.\n                var lastListenerFn = existingListener.__ngLastListenerFn__ || existingListener;\n                lastListenerFn.__ngNextListenerFn__ = listenerFn;\n                existingListener.__ngLastListenerFn__ = listenerFn;\n                processOutputs = false;\n            }\n            else {\n                // The first argument of `listen` function in Procedural Renderer is:\n                // - either a target name (as a string) in case of global target (window, document, body)\n                // - or element reference (in all other cases)\n                listenerFn = wrapListener(tNode, lView, listenerFn, false /** preventDefault */);\n                var cleanupFn = renderer.listen(resolved.name || target, eventName, listenerFn);\n                ngDevMode && ngDevMode.rendererAddEventListener++;\n                lCleanup.push(listenerFn, cleanupFn);\n                tCleanup && tCleanup.push(eventName, idxOrTargetGetter, lCleanupIndex, lCleanupIndex + 1);\n            }\n        }\n        else {\n            listenerFn = wrapListener(tNode, lView, listenerFn, true /** preventDefault */);\n            target.addEventListener(eventName, listenerFn, useCapture);\n            ngDevMode && ngDevMode.rendererAddEventListener++;\n            lCleanup.push(listenerFn);\n            tCleanup && tCleanup.push(eventName, idxOrTargetGetter, lCleanupIndex, useCapture);\n        }\n    }\n    // subscribe to directive outputs\n    var outputs = tNode.outputs;\n    var props;\n    if (processOutputs && outputs !== null && (props = outputs[eventName])) {\n        var propsLength = props.length;\n        if (propsLength) {\n            for (var i = 0; i < propsLength; i += 2) {\n                var index = props[i];\n                ngDevMode && assertDataInRange(lView, index);\n                var minifiedName = props[i + 1];\n                var directiveInstance = lView[index];\n                var output = directiveInstance[minifiedName];\n                if (ngDevMode && !isObservable(output)) {\n                    throw new Error(\"@Output \" + minifiedName + \" not initialized in '\" + directiveInstance.constructor.name + \"'.\");\n                }\n                var subscription = output.subscribe(listenerFn);\n                var idx = lCleanup.length;\n                lCleanup.push(listenerFn, subscription);\n                tCleanup && tCleanup.push(eventName, tNode.index, idx, -(idx + 1));\n            }\n        }\n    }\n}\nfunction executeListenerWithErrorHandling(lView, listenerFn, e) {\n    try {\n        // Only explicitly returning false from a listener should preventDefault\n        return listenerFn(e) !== false;\n    }\n    catch (error) {\n        handleError(lView, error);\n        return false;\n    }\n}\n/**\n * Wraps an event listener with a function that marks ancestors dirty and prevents default behavior,\n * if applicable.\n *\n * @param tNode The TNode associated with this listener\n * @param lView The LView that contains this listener\n * @param listenerFn The listener function to call\n * @param wrapWithPreventDefault Whether or not to prevent default behavior\n * (the procedural renderer does this already, so in those cases, we should skip)\n */\nfunction wrapListener(tNode, lView, listenerFn, wrapWithPreventDefault) {\n    // Note: we are performing most of the work in the listener function itself\n    // to optimize listener registration.\n    return function wrapListenerIn_markDirtyAndPreventDefault(e) {\n        // Ivy uses `Function` as a special token that allows us to unwrap the function\n        // so that it can be invoked programmatically by `DebugNode.triggerEventHandler`.\n        if (e === Function) {\n            return listenerFn;\n        }\n        // In order to be backwards compatible with View Engine, events on component host nodes\n        // must also mark the component view itself dirty (i.e. the view that it owns).\n        var startView = tNode.flags & 2 /* isComponentHost */ ?\n            getComponentLViewByIndex(tNode.index, lView) :\n            lView;\n        // See interfaces/view.ts for more on LViewFlags.ManualOnPush\n        if ((lView[FLAGS] & 32 /* ManualOnPush */) === 0) {\n            markViewDirty(startView);\n        }\n        var result = executeListenerWithErrorHandling(lView, listenerFn, e);\n        // A just-invoked listener function might have coalesced listeners so we need to check for\n        // their presence and invoke as needed.\n        var nextListenerFn = wrapListenerIn_markDirtyAndPreventDefault.__ngNextListenerFn__;\n        while (nextListenerFn) {\n            // We should prevent default if any of the listeners explicitly return false\n            result = executeListenerWithErrorHandling(lView, nextListenerFn, e) && result;\n            nextListenerFn = nextListenerFn.__ngNextListenerFn__;\n        }\n        if (wrapWithPreventDefault && result === false) {\n            e.preventDefault();\n            // Necessary for legacy browsers that don't support preventDefault (e.g. IE)\n            e.returnValue = false;\n        }\n        return result;\n    };\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Retrieves a context at the level specified and saves it as the global, contextViewData.\n * Will get the next level up if level is not specified.\n *\n * This is used to save contexts of parent views so they can be bound in embedded views, or\n * in conjunction with reference() to bind a ref from a parent view.\n *\n * @param level The relative level of the view from which to grab context compared to contextVewData\n * @returns context\n *\n * @codeGenApi\n */\nfunction ɵɵnextContext(level) {\n    if (level === void 0) { level = 1; }\n    return nextContextImpl(level);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Checks a given node against matching projection slots and returns the\n * determined slot index. Returns \"null\" if no slot matched the given node.\n *\n * This function takes into account the parsed ngProjectAs selector from the\n * node's attributes. If present, it will check whether the ngProjectAs selector\n * matches any of the projection slot selectors.\n */\nfunction matchingProjectionSlotIndex(tNode, projectionSlots) {\n    var wildcardNgContentIndex = null;\n    var ngProjectAsAttrVal = getProjectAsAttrValue(tNode);\n    for (var i = 0; i < projectionSlots.length; i++) {\n        var slotValue = projectionSlots[i];\n        // The last wildcard projection slot should match all nodes which aren't matching\n        // any selector. This is necessary to be backwards compatible with view engine.\n        if (slotValue === '*') {\n            wildcardNgContentIndex = i;\n            continue;\n        }\n        // If we ran into an `ngProjectAs` attribute, we should match its parsed selector\n        // to the list of selectors, otherwise we fall back to matching against the node.\n        if (ngProjectAsAttrVal === null ?\n            isNodeMatchingSelectorList(tNode, slotValue, /* isProjectionMode */ true) :\n            isSelectorInSelectorList(ngProjectAsAttrVal, slotValue)) {\n            return i; // first matching selector \"captures\" a given node\n        }\n    }\n    return wildcardNgContentIndex;\n}\n/**\n * Instruction to distribute projectable nodes among <ng-content> occurrences in a given template.\n * It takes all the selectors from the entire component's template and decides where\n * each projected node belongs (it re-distributes nodes among \"buckets\" where each \"bucket\" is\n * backed by a selector).\n *\n * This function requires CSS selectors to be provided in 2 forms: parsed (by a compiler) and text,\n * un-parsed form.\n *\n * The parsed form is needed for efficient matching of a node against a given CSS selector.\n * The un-parsed, textual form is needed for support of the ngProjectAs attribute.\n *\n * Having a CSS selector in 2 different formats is not ideal, but alternatives have even more\n * drawbacks:\n * - having only a textual form would require runtime parsing of CSS selectors;\n * - we can't have only a parsed as we can't re-construct textual form from it (as entered by a\n * template author).\n *\n * @param projectionSlots? A collection of projection slots. A projection slot can be based\n *        on a parsed CSS selectors or set to the wildcard selector (\"*\") in order to match\n *        all nodes which do not match any selector. If not specified, a single wildcard\n *        selector projection slot will be defined.\n *\n * @codeGenApi\n */\nfunction ɵɵprojectionDef(projectionSlots) {\n    var componentNode = getLView()[DECLARATION_COMPONENT_VIEW][T_HOST];\n    if (!componentNode.projection) {\n        // If no explicit projection slots are defined, fall back to a single\n        // projection slot with the wildcard selector.\n        var numProjectionSlots = projectionSlots ? projectionSlots.length : 1;\n        var projectionHeads = componentNode.projection =\n            newArray(numProjectionSlots, null);\n        var tails = projectionHeads.slice();\n        var componentChild = componentNode.child;\n        while (componentChild !== null) {\n            var slotIndex = projectionSlots ? matchingProjectionSlotIndex(componentChild, projectionSlots) : 0;\n            if (slotIndex !== null) {\n                if (tails[slotIndex]) {\n                    tails[slotIndex].projectionNext = componentChild;\n                }\n                else {\n                    projectionHeads[slotIndex] = componentChild;\n                }\n                tails[slotIndex] = componentChild;\n            }\n            componentChild = componentChild.next;\n        }\n    }\n}\nvar delayProjection = false;\nfunction setDelayProjection(value) {\n    delayProjection = value;\n}\n/**\n * Inserts previously re-distributed projected nodes. This instruction must be preceded by a call\n * to the projectionDef instruction.\n *\n * @param nodeIndex\n * @param selectorIndex:\n *        - 0 when the selector is `*` (or unspecified as this is the default value),\n *        - 1 based index of the selector from the {@link projectionDef}\n *\n * @codeGenApi\n*/\nfunction ɵɵprojection(nodeIndex, selectorIndex, attrs) {\n    if (selectorIndex === void 0) { selectorIndex = 0; }\n    var lView = getLView();\n    var tView = getTView();\n    var tProjectionNode = getOrCreateTNode(tView, lView[T_HOST], nodeIndex, 1 /* Projection */, null, attrs || null);\n    // We can't use viewData[HOST_NODE] because projection nodes can be nested in embedded views.\n    if (tProjectionNode.projection === null)\n        tProjectionNode.projection = selectorIndex;\n    // `<ng-content>` has no content\n    setIsNotParent();\n    // We might need to delay the projection of nodes if they are in the middle of an i18n block\n    if (!delayProjection) {\n        // re-distribution of projectable nodes is stored on a component's view level\n        applyProjection(tView, lView, tProjectionNode);\n    }\n}\n\n/**\n *\n * Update an interpolated property on an element with a lone bound value\n *\n * Used when the value passed to a property has 1 interpolated value in it, an no additional text\n * surrounds that interpolated value:\n *\n * ```html\n * <div title=\"{{v0}}\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵpropertyInterpolate('title', v0);\n * ```\n *\n * If the property name also exists as an input property on one of the element's directives,\n * the component property will be set instead of the element property. This check must\n * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.\n *\n * @param propName The name of the property to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵpropertyInterpolate(propName, v0, sanitizer) {\n    ɵɵpropertyInterpolate1(propName, '', v0, '', sanitizer);\n    return ɵɵpropertyInterpolate;\n}\n/**\n *\n * Update an interpolated property on an element with single bound value surrounded by text.\n *\n * Used when the value passed to a property has 1 interpolated value in it:\n *\n * ```html\n * <div title=\"prefix{{v0}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵpropertyInterpolate1('title', 'prefix', v0, 'suffix');\n * ```\n *\n * If the property name also exists as an input property on one of the element's directives,\n * the component property will be set instead of the element property. This check must\n * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.\n *\n * @param propName The name of the property to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵpropertyInterpolate1(propName, prefix, v0, suffix, sanitizer) {\n    var lView = getLView();\n    var interpolatedValue = interpolation1(lView, prefix, v0, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementPropertyInternal(tView, lView, nodeIndex, propName, interpolatedValue, sanitizer);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, propName, getBindingIndex() - 1, prefix, suffix);\n    }\n    return ɵɵpropertyInterpolate1;\n}\n/**\n *\n * Update an interpolated property on an element with 2 bound values surrounded by text.\n *\n * Used when the value passed to a property has 2 interpolated values in it:\n *\n * ```html\n * <div title=\"prefix{{v0}}-{{v1}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵpropertyInterpolate2('title', 'prefix', v0, '-', v1, 'suffix');\n * ```\n *\n * If the property name also exists as an input property on one of the element's directives,\n * the component property will be set instead of the element property. This check must\n * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.\n *\n * @param propName The name of the property to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵpropertyInterpolate2(propName, prefix, v0, i0, v1, suffix, sanitizer) {\n    var lView = getLView();\n    var interpolatedValue = interpolation2(lView, prefix, v0, i0, v1, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementPropertyInternal(tView, lView, nodeIndex, propName, interpolatedValue, sanitizer);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, propName, getBindingIndex() - 2, prefix, i0, suffix);\n    }\n    return ɵɵpropertyInterpolate2;\n}\n/**\n *\n * Update an interpolated property on an element with 3 bound values surrounded by text.\n *\n * Used when the value passed to a property has 3 interpolated values in it:\n *\n * ```html\n * <div title=\"prefix{{v0}}-{{v1}}-{{v2}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵpropertyInterpolate3(\n * 'title', 'prefix', v0, '-', v1, '-', v2, 'suffix');\n * ```\n *\n * If the property name also exists as an input property on one of the element's directives,\n * the component property will be set instead of the element property. This check must\n * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.\n *\n * @param propName The name of the property to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵpropertyInterpolate3(propName, prefix, v0, i0, v1, i1, v2, suffix, sanitizer) {\n    var lView = getLView();\n    var interpolatedValue = interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementPropertyInternal(tView, lView, nodeIndex, propName, interpolatedValue, sanitizer);\n        ngDevMode &&\n            storePropertyBindingMetadata(tView.data, nodeIndex, propName, getBindingIndex() - 3, prefix, i0, i1, suffix);\n    }\n    return ɵɵpropertyInterpolate3;\n}\n/**\n *\n * Update an interpolated property on an element with 4 bound values surrounded by text.\n *\n * Used when the value passed to a property has 4 interpolated values in it:\n *\n * ```html\n * <div title=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵpropertyInterpolate4(\n * 'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, 'suffix');\n * ```\n *\n * If the property name also exists as an input property on one of the element's directives,\n * the component property will be set instead of the element property. This check must\n * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.\n *\n * @param propName The name of the property to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵpropertyInterpolate4(propName, prefix, v0, i0, v1, i1, v2, i2, v3, suffix, sanitizer) {\n    var lView = getLView();\n    var interpolatedValue = interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementPropertyInternal(tView, lView, nodeIndex, propName, interpolatedValue, sanitizer);\n        ngDevMode &&\n            storePropertyBindingMetadata(tView.data, nodeIndex, propName, getBindingIndex() - 4, prefix, i0, i1, i2, suffix);\n    }\n    return ɵɵpropertyInterpolate4;\n}\n/**\n *\n * Update an interpolated property on an element with 5 bound values surrounded by text.\n *\n * Used when the value passed to a property has 5 interpolated values in it:\n *\n * ```html\n * <div title=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵpropertyInterpolate5(\n * 'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, 'suffix');\n * ```\n *\n * If the property name also exists as an input property on one of the element's directives,\n * the component property will be set instead of the element property. This check must\n * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.\n *\n * @param propName The name of the property to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵpropertyInterpolate5(propName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix, sanitizer) {\n    var lView = getLView();\n    var interpolatedValue = interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementPropertyInternal(tView, lView, nodeIndex, propName, interpolatedValue, sanitizer);\n        ngDevMode &&\n            storePropertyBindingMetadata(tView.data, nodeIndex, propName, getBindingIndex() - 5, prefix, i0, i1, i2, i3, suffix);\n    }\n    return ɵɵpropertyInterpolate5;\n}\n/**\n *\n * Update an interpolated property on an element with 6 bound values surrounded by text.\n *\n * Used when the value passed to a property has 6 interpolated values in it:\n *\n * ```html\n * <div title=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵpropertyInterpolate6(\n *    'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, 'suffix');\n * ```\n *\n * If the property name also exists as an input property on one of the element's directives,\n * the component property will be set instead of the element property. This check must\n * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.\n *\n * @param propName The name of the property to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵpropertyInterpolate6(propName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix, sanitizer) {\n    var lView = getLView();\n    var interpolatedValue = interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementPropertyInternal(tView, lView, nodeIndex, propName, interpolatedValue, sanitizer);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, propName, getBindingIndex() - 6, prefix, i0, i1, i2, i3, i4, suffix);\n    }\n    return ɵɵpropertyInterpolate6;\n}\n/**\n *\n * Update an interpolated property on an element with 7 bound values surrounded by text.\n *\n * Used when the value passed to a property has 7 interpolated values in it:\n *\n * ```html\n * <div title=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵpropertyInterpolate7(\n *    'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, 'suffix');\n * ```\n *\n * If the property name also exists as an input property on one of the element's directives,\n * the component property will be set instead of the element property. This check must\n * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.\n *\n * @param propName The name of the property to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change.\n * @param i5 Static value used for concatenation only.\n * @param v6 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵpropertyInterpolate7(propName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix, sanitizer) {\n    var lView = getLView();\n    var interpolatedValue = interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementPropertyInternal(tView, lView, nodeIndex, propName, interpolatedValue, sanitizer);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, propName, getBindingIndex() - 7, prefix, i0, i1, i2, i3, i4, i5, suffix);\n    }\n    return ɵɵpropertyInterpolate7;\n}\n/**\n *\n * Update an interpolated property on an element with 8 bound values surrounded by text.\n *\n * Used when the value passed to a property has 8 interpolated values in it:\n *\n * ```html\n * <div title=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵpropertyInterpolate8(\n *  'title', 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, 'suffix');\n * ```\n *\n * If the property name also exists as an input property on one of the element's directives,\n * the component property will be set instead of the element property. This check must\n * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.\n *\n * @param propName The name of the property to update\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change.\n * @param i5 Static value used for concatenation only.\n * @param v6 Value checked for change.\n * @param i6 Static value used for concatenation only.\n * @param v7 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵpropertyInterpolate8(propName, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix, sanitizer) {\n    var lView = getLView();\n    var interpolatedValue = interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementPropertyInternal(tView, lView, nodeIndex, propName, interpolatedValue, sanitizer);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, propName, getBindingIndex() - 8, prefix, i0, i1, i2, i3, i4, i5, i6, suffix);\n    }\n    return ɵɵpropertyInterpolate8;\n}\n/**\n * Update an interpolated property on an element with 8 or more bound values surrounded by text.\n *\n * Used when the number of interpolated values exceeds 7.\n *\n * ```html\n * <div\n *  title=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}-{{v8}}-{{v9}}suffix\"></div>\n * ```\n *\n * Its compiled representation is::\n *\n * ```ts\n * ɵɵpropertyInterpolateV(\n *  'title', ['prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, '-', v9,\n *  'suffix']);\n * ```\n *\n * If the property name also exists as an input property on one of the element's directives,\n * the component property will be set instead of the element property. This check must\n * be conducted at runtime so child components that add new `@Inputs` don't have to be re-compiled.\n *\n * @param propName The name of the property to update.\n * @param values The a collection of values and the strings inbetween those values, beginning with a\n * string prefix and ending with a string suffix.\n * (e.g. `['prefix', value0, '-', value1, '-', value2, ..., value99, 'suffix']`)\n * @param sanitizer An optional sanitizer function\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵpropertyInterpolateV(propName, values, sanitizer) {\n    var lView = getLView();\n    var interpolatedValue = interpolationV(lView, values);\n    if (interpolatedValue !== NO_CHANGE) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementPropertyInternal(tView, lView, nodeIndex, propName, interpolatedValue, sanitizer);\n        if (ngDevMode) {\n            var interpolationInBetween = [values[0]]; // prefix\n            for (var i = 2; i < values.length; i += 2) {\n                interpolationInBetween.push(values[i]);\n            }\n            storePropertyBindingMetadata.apply(void 0, __spread([tView.data, nodeIndex, propName, getBindingIndex() - interpolationInBetween.length + 1], interpolationInBetween));\n        }\n    }\n    return ɵɵpropertyInterpolateV;\n}\n\n/**\n* @license\n* Copyright Google Inc. All Rights Reserved.\n*\n* Use of this source code is governed by an MIT-style license that can be\n* found in the LICENSE file at https://angular.io/license\n*/\n/**\n * This file contains reuseable \"empty\" symbols that can be used as default return values\n * in different parts of the rendering code. Because the same symbols are returned, this\n * allows for identity checks against these values to be consistently used by the framework\n * code.\n */\nvar EMPTY_OBJ$1 = {};\nvar EMPTY_ARRAY$3 = [];\n// freezing the values prevents any code from accidentally inserting new values in\nif ((typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode()) {\n    // These property accesses can be ignored because ngDevMode will be set to false\n    // when optimizing code and the whole if statement will be dropped.\n    // tslint:disable-next-line:no-toplevel-property-access\n    Object.freeze(EMPTY_OBJ$1);\n    // tslint:disable-next-line:no-toplevel-property-access\n    Object.freeze(EMPTY_ARRAY$3);\n}\n\n/**\n* @license\n* Copyright Google Inc. All Rights Reserved.\n*\n* Use of this source code is governed by an MIT-style license that can be\n* found in the LICENSE file at https://angular.io/license\n*/\n/**\n * NOTE: The word `styling` is used interchangeably as style or class styling.\n *\n * This file contains code to link styling instructions together so that they can be replayed in\n * priority order. The file exists because Ivy styling instruction execution order does not match\n * that of the priority order. The purpose of this code is to create a linked list so that the\n * instructions can be traversed in priority order when computing the styles.\n *\n * Assume we are dealing with the following code:\n * ```\n * @Component({\n *   template: `\n *     <my-cmp [style]=\" {color: '#001'} \"\n *             [style.color]=\" #002 \"\n *             dir-style-color-1\n *             dir-style-color-2> `\n * })\n * class ExampleComponent {\n *   static ngComp = ... {\n *     ...\n *     // Compiler ensures that `ɵɵstyleProp` is after `ɵɵstyleMap`\n *     ɵɵstyleMap({color: '#001'});\n *     ɵɵstyleProp('color', '#002');\n *     ...\n *   }\n * }\n *\n * @Directive({\n *   selector: `[dir-style-color-1]',\n * })\n * class Style1Directive {\n *   @HostBinding('style') style = {color: '#005'};\n *   @HostBinding('style.color') color = '#006';\n *\n *   static ngDir = ... {\n *     ...\n *     // Compiler ensures that `ɵɵstyleProp` is after `ɵɵstyleMap`\n *     ɵɵstyleMap({color: '#005'});\n *     ɵɵstyleProp('color', '#006');\n *     ...\n *   }\n * }\n *\n * @Directive({\n *   selector: `[dir-style-color-2]',\n * })\n * class Style2Directive {\n *   @HostBinding('style') style = {color: '#007'};\n *   @HostBinding('style.color') color = '#008';\n *\n *   static ngDir = ... {\n *     ...\n *     // Compiler ensures that `ɵɵstyleProp` is after `ɵɵstyleMap`\n *     ɵɵstyleMap({color: '#007'});\n *     ɵɵstyleProp('color', '#008');\n *     ...\n *   }\n * }\n *\n * @Directive({\n *   selector: `my-cmp',\n * })\n * class MyComponent {\n *   @HostBinding('style') style = {color: '#003'};\n *   @HostBinding('style.color') color = '#004';\n *\n *   static ngComp = ... {\n *     ...\n *     // Compiler ensures that `ɵɵstyleProp` is after `ɵɵstyleMap`\n *     ɵɵstyleMap({color: '#003'});\n *     ɵɵstyleProp('color', '#004');\n *     ...\n *   }\n * }\n * ```\n *\n * The Order of instruction execution is:\n *\n * NOTE: the comment binding location is for illustrative purposes only.\n *\n * ```\n * // Template: (ExampleComponent)\n *     ɵɵstyleMap({color: '#001'});   // Binding index: 10\n *     ɵɵstyleProp('color', '#002');  // Binding index: 12\n * // MyComponent\n *     ɵɵstyleMap({color: '#003'});   // Binding index: 20\n *     ɵɵstyleProp('color', '#004');  // Binding index: 22\n * // Style1Directive\n *     ɵɵstyleMap({color: '#005'});   // Binding index: 24\n *     ɵɵstyleProp('color', '#006');  // Binding index: 26\n * // Style2Directive\n *     ɵɵstyleMap({color: '#007'});   // Binding index: 28\n *     ɵɵstyleProp('color', '#008');  // Binding index: 30\n * ```\n *\n * The correct priority order of concatenation is:\n *\n * ```\n * // MyComponent\n *     ɵɵstyleMap({color: '#003'});   // Binding index: 20\n *     ɵɵstyleProp('color', '#004');  // Binding index: 22\n * // Style1Directive\n *     ɵɵstyleMap({color: '#005'});   // Binding index: 24\n *     ɵɵstyleProp('color', '#006');  // Binding index: 26\n * // Style2Directive\n *     ɵɵstyleMap({color: '#007'});   // Binding index: 28\n *     ɵɵstyleProp('color', '#008');  // Binding index: 30\n * // Template: (ExampleComponent)\n *     ɵɵstyleMap({color: '#001'});   // Binding index: 10\n *     ɵɵstyleProp('color', '#002');  // Binding index: 12\n * ```\n *\n * What color should be rendered?\n *\n * Once the items are correctly sorted in the list, the answer is simply the last item in the\n * concatenation list which is `#002`.\n *\n * To do so we keep a linked list of all of the bindings which pertain to this element.\n * Notice that the bindings are inserted in the order of execution, but the `TView.data` allows\n * us to traverse them in the order of priority.\n *\n * |Idx|`TView.data`|`LView`          | Notes\n * |---|------------|-----------------|--------------\n * |...|            |                 |\n * |10 |`null`      |`{color: '#001'}`| `ɵɵstyleMap('color', {color: '#001'})`\n * |11 |`30 | 12`   | ...             |\n * |12 |`color`     |`'#002'`         | `ɵɵstyleProp('color', '#002')`\n * |13 |`10 | 0`    | ...             |\n * |...|            |                 |\n * |20 |`null`      |`{color: '#003'}`| `ɵɵstyleMap('color', {color: '#003'})`\n * |21 |`0 | 22`    | ...             |\n * |22 |`color`     |`'#004'`         | `ɵɵstyleProp('color', '#004')`\n * |23 |`20 | 24`   | ...             |\n * |24 |`null`      |`{color: '#005'}`| `ɵɵstyleMap('color', {color: '#005'})`\n * |25 |`22 | 26`   | ...             |\n * |26 |`color`     |`'#006'`         | `ɵɵstyleProp('color', '#006')`\n * |27 |`24 | 28`   | ...             |\n * |28 |`null`      |`{color: '#007'}`| `ɵɵstyleMap('color', {color: '#007'})`\n * |29 |`26 | 30`   | ...             |\n * |30 |`color`     |`'#008'`         | `ɵɵstyleProp('color', '#008')`\n * |31 |`28 | 10`   | ...             |\n *\n * The above data structure allows us to re-concatenate the styling no matter which data binding\n * changes.\n *\n * NOTE: in addition to keeping track of next/previous index the `TView.data` also stores prev/next\n * duplicate bit. The duplicate bit if true says there either is a binding with the same name or\n * there is a map (which may contain the name). This information is useful in knowing if other\n * styles with higher priority need to be searched for overwrites.\n *\n * NOTE: See `should support example in 'tnode_linked_list.ts' documentation` in\n * `tnode_linked_list_spec.ts` for working example.\n */\nvar __unused_const_as_closure_does_not_like_standalone_comment_blocks__;\n/**\n * Insert new `tStyleValue` at `TData` and link existing style bindings such that we maintain linked\n * list of styles and compute the duplicate flag.\n *\n * Note: this function is executed during `firstUpdatePass` only to populate the `TView.data`.\n *\n * The function works by keeping track of `tStylingRange` which contains two pointers pointing to\n * the head/tail of the template portion of the styles.\n *  - if `isHost === false` (we are template) then insertion is at tail of `TStylingRange`\n *  - if `isHost === true` (we are host binding) then insertion is at head of `TStylingRange`\n *\n * @param tData The `TData` to insert into.\n * @param tNode `TNode` associated with the styling element.\n * @param tStylingKey See `TStylingKey`.\n * @param index location of where `tStyleValue` should be stored (and linked into list.)\n * @param isHostBinding `true` if the insertion is for a `hostBinding`. (insertion is in front of\n *               template.)\n * @param isClassBinding True if the associated `tStylingKey` as a `class` styling.\n *                       `tNode.classBindings` should be used (or `tNode.styleBindings` otherwise.)\n */\nfunction insertTStylingBinding(tData, tNode, tStylingKeyWithStatic, index, isHostBinding, isClassBinding) {\n    ngDevMode && assertFirstUpdatePass(getTView());\n    var tBindings = isClassBinding ? tNode.classBindings : tNode.styleBindings;\n    var tmplHead = getTStylingRangePrev(tBindings);\n    var tmplTail = getTStylingRangeNext(tBindings);\n    tData[index] = tStylingKeyWithStatic;\n    var isKeyDuplicateOfStatic = false;\n    var tStylingKey;\n    if (Array.isArray(tStylingKeyWithStatic)) {\n        // We are case when the `TStylingKey` contains static fields as well.\n        var staticKeyValueArray = tStylingKeyWithStatic;\n        tStylingKey = staticKeyValueArray[1]; // unwrap.\n        // We need to check if our key is present in the static so that we can mark it as duplicate.\n        if (tStylingKey === null ||\n            keyValueArrayIndexOf(staticKeyValueArray, tStylingKey) > 0) {\n            // tStylingKey is present in the statics, need to mark it as duplicate.\n            isKeyDuplicateOfStatic = true;\n        }\n    }\n    else {\n        tStylingKey = tStylingKeyWithStatic;\n    }\n    if (isHostBinding) {\n        // We are inserting host bindings\n        // If we don't have template bindings then `tail` is 0.\n        var hasTemplateBindings = tmplTail !== 0;\n        // This is important to know because that means that the `head` can't point to the first\n        // template bindings (there are none.) Instead the head points to the tail of the template.\n        if (hasTemplateBindings) {\n            // template head's \"prev\" will point to last host binding or to 0 if no host bindings yet\n            var previousNode = getTStylingRangePrev(tData[tmplHead + 1]);\n            tData[index + 1] = toTStylingRange(previousNode, tmplHead);\n            // if a host binding has already been registered, we need to update the next of that host\n            // binding to point to this one\n            if (previousNode !== 0) {\n                // We need to update the template-tail value to point to us.\n                tData[previousNode + 1] =\n                    setTStylingRangeNext(tData[previousNode + 1], index);\n            }\n            // The \"previous\" of the template binding head should point to this host binding\n            tData[tmplHead + 1] = setTStylingRangePrev(tData[tmplHead + 1], index);\n        }\n        else {\n            tData[index + 1] = toTStylingRange(tmplHead, 0);\n            // if a host binding has already been registered, we need to update the next of that host\n            // binding to point to this one\n            if (tmplHead !== 0) {\n                // We need to update the template-tail value to point to us.\n                tData[tmplHead + 1] = setTStylingRangeNext(tData[tmplHead + 1], index);\n            }\n            // if we don't have template, the head points to template-tail, and needs to be advanced.\n            tmplHead = index;\n        }\n    }\n    else {\n        // We are inserting in template section.\n        // We need to set this binding's \"previous\" to the current template tail\n        tData[index + 1] = toTStylingRange(tmplTail, 0);\n        ngDevMode && assertEqual(tmplHead !== 0 && tmplTail === 0, false, 'Adding template bindings after hostBindings is not allowed.');\n        if (tmplHead === 0) {\n            tmplHead = index;\n        }\n        else {\n            // We need to update the previous value \"next\" to point to this binding\n            tData[tmplTail + 1] = setTStylingRangeNext(tData[tmplTail + 1], index);\n        }\n        tmplTail = index;\n    }\n    // Now we need to update / compute the duplicates.\n    // Starting with our location search towards head (least priority)\n    if (isKeyDuplicateOfStatic) {\n        tData[index + 1] = setTStylingRangePrevDuplicate(tData[index + 1]);\n    }\n    markDuplicates(tData, tStylingKey, index, true, isClassBinding);\n    markDuplicates(tData, tStylingKey, index, false, isClassBinding);\n    markDuplicateOfResidualStyling(tNode, tStylingKey, tData, index, isClassBinding);\n    tBindings = toTStylingRange(tmplHead, tmplTail);\n    if (isClassBinding) {\n        tNode.classBindings = tBindings;\n    }\n    else {\n        tNode.styleBindings = tBindings;\n    }\n}\n/**\n * Look into the residual styling to see if the current `tStylingKey` is duplicate of residual.\n *\n * @param tNode `TNode` where the residual is stored.\n * @param tStylingKey `TStylingKey` to store.\n * @param tData `TData` associated with the current `LView`.\n * @param index location of where `tStyleValue` should be stored (and linked into list.)\n * @param isClassBinding True if the associated `tStylingKey` as a `class` styling.\n *                       `tNode.classBindings` should be used (or `tNode.styleBindings` otherwise.)\n */\nfunction markDuplicateOfResidualStyling(tNode, tStylingKey, tData, index, isClassBinding) {\n    var residual = isClassBinding ? tNode.residualClasses : tNode.residualStyles;\n    if (residual != null /* or undefined */ && typeof tStylingKey == 'string' &&\n        keyValueArrayIndexOf(residual, tStylingKey) >= 0) {\n        // We have duplicate in the residual so mark ourselves as duplicate.\n        tData[index + 1] = setTStylingRangeNextDuplicate(tData[index + 1]);\n    }\n}\n/**\n * Marks `TStyleValue`s as duplicates if another style binding in the list has the same\n * `TStyleValue`.\n *\n * NOTE: this function is intended to be called twice once with `isPrevDir` set to `true` and once\n * with it set to `false` to search both the previous as well as next items in the list.\n *\n * No duplicate case\n * ```\n *   [style.color]\n *   [style.width.px] <<- index\n *   [style.height.px]\n * ```\n *\n * In the above case adding `[style.width.px]` to the existing `[style.color]` produces no\n * duplicates because `width` is not found in any other part of the linked list.\n *\n * Duplicate case\n * ```\n *   [style.color]\n *   [style.width.em]\n *   [style.width.px] <<- index\n * ```\n * In the above case adding `[style.width.px]` will produce a duplicate with `[style.width.em]`\n * because `width` is found in the chain.\n *\n * Map case 1\n * ```\n *   [style.width.px]\n *   [style.color]\n *   [style]  <<- index\n * ```\n * In the above case adding `[style]` will produce a duplicate with any other bindings because\n * `[style]` is a Map and as such is fully dynamic and could produce `color` or `width`.\n *\n * Map case 2\n * ```\n *   [style]\n *   [style.width.px]\n *   [style.color]  <<- index\n * ```\n * In the above case adding `[style.color]` will produce a duplicate because there is already a\n * `[style]` binding which is a Map and as such is fully dynamic and could produce `color` or\n * `width`.\n *\n * NOTE: Once `[style]` (Map) is added into the system all things are mapped as duplicates.\n * NOTE: We use `style` as example, but same logic is applied to `class`es as well.\n *\n * @param tData `TData` where the linked list is stored.\n * @param tStylingKey `TStylingKeyPrimitive` which contains the value to compare to other keys in\n *        the linked list.\n * @param index Starting location in the linked list to search from\n * @param isPrevDir Direction.\n *        - `true` for previous (lower priority);\n *        - `false` for next (higher priority).\n */\nfunction markDuplicates(tData, tStylingKey, index, isPrevDir, isClassBinding) {\n    var tStylingAtIndex = tData[index + 1];\n    var isMap = tStylingKey === null;\n    var cursor = isPrevDir ? getTStylingRangePrev(tStylingAtIndex) : getTStylingRangeNext(tStylingAtIndex);\n    var foundDuplicate = false;\n    // We keep iterating as long as we have a cursor\n    // AND either:\n    // - we found what we are looking for, OR\n    // - we are a map in which case we have to continue searching even after we find what we were\n    //   looking for since we are a wild card and everything needs to be flipped to duplicate.\n    while (cursor !== 0 && (foundDuplicate === false || isMap)) {\n        ngDevMode && assertDataInRange(tData, cursor);\n        var tStylingValueAtCursor = tData[cursor];\n        var tStyleRangeAtCursor = tData[cursor + 1];\n        if (isStylingMatch(tStylingValueAtCursor, tStylingKey)) {\n            foundDuplicate = true;\n            tData[cursor + 1] = isPrevDir ? setTStylingRangeNextDuplicate(tStyleRangeAtCursor) :\n                setTStylingRangePrevDuplicate(tStyleRangeAtCursor);\n        }\n        cursor = isPrevDir ? getTStylingRangePrev(tStyleRangeAtCursor) :\n            getTStylingRangeNext(tStyleRangeAtCursor);\n    }\n    if (foundDuplicate) {\n        // if we found a duplicate, than mark ourselves.\n        tData[index + 1] = isPrevDir ? setTStylingRangePrevDuplicate(tStylingAtIndex) :\n            setTStylingRangeNextDuplicate(tStylingAtIndex);\n    }\n}\n/**\n * Determines if two `TStylingKey`s are a match.\n *\n * When computing weather a binding contains a duplicate, we need to compare if the instruction\n * `TStylingKey` has a match.\n *\n * Here are examples of `TStylingKey`s which match given `tStylingKeyCursor` is:\n * - `color`\n *    - `color`    // Match another color\n *    - `null`     // That means that `tStylingKey` is a `classMap`/`styleMap` instruction\n *    - `['', 'color', 'other', true]` // wrapped `color` so match\n *    - `['', null, 'other', true]`       // wrapped `null` so match\n *    - `['', 'width', 'color', 'value']` // wrapped static value contains a match on `'color'`\n * - `null`       // `tStylingKeyCursor` always match as it is `classMap`/`styleMap` instruction\n *\n * @param tStylingKeyCursor\n * @param tStylingKey\n */\nfunction isStylingMatch(tStylingKeyCursor, tStylingKey) {\n    ngDevMode &&\n        assertNotEqual(Array.isArray(tStylingKey), true, 'Expected that \\'tStylingKey\\' has been unwrapped');\n    if (tStylingKeyCursor === null || // If the cursor is `null` it means that we have map at that\n        // location so we must assume that we have a match.\n        tStylingKey == null || // If `tStylingKey` is `null` then it is a map therefor assume that it\n        // contains a match.\n        (Array.isArray(tStylingKeyCursor) ? tStylingKeyCursor[1] : tStylingKeyCursor) ===\n            tStylingKey // If the keys match explicitly than we are a match.\n    ) {\n        return true;\n    }\n    else if (Array.isArray(tStylingKeyCursor) && typeof tStylingKey === 'string') {\n        // if we did not find a match, but `tStylingKeyCursor` is `KeyValueArray` that means cursor has\n        // statics and we need to check those as well.\n        return keyValueArrayIndexOf(tStylingKeyCursor, tStylingKey) >=\n            0; // see if we are matching the key\n    }\n    return false;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Global state of the parser. (This makes parser non-reentrant, but that is not an issue)\nvar parserState = {\n    textEnd: 0,\n    key: 0,\n    keyEnd: 0,\n    value: 0,\n    valueEnd: 0,\n};\n/**\n * Retrieves the last parsed `key` of style.\n * @param text the text to substring the key from.\n */\nfunction getLastParsedKey(text) {\n    return text.substring(parserState.key, parserState.keyEnd);\n}\n/**\n * Retrieves the last parsed `value` of style.\n * @param text the text to substring the key from.\n */\nfunction getLastParsedValue(text) {\n    return text.substring(parserState.value, parserState.valueEnd);\n}\n/**\n * Initializes `className` string for parsing and parses the first token.\n *\n * This function is intended to be used in this format:\n * ```\n * for (let i = parseClassName(text); i >= 0; i = parseClassNameNext(text, i)) {\n *   const key = getLastParsedKey();\n *   ...\n * }\n * ```\n * @param text `className` to parse\n * @returns index where the next invocation of `parseClassNameNext` should resume.\n */\nfunction parseClassName(text) {\n    resetParserState(text);\n    return parseClassNameNext(text, consumeWhitespace(text, 0, parserState.textEnd));\n}\n/**\n * Parses next `className` token.\n *\n * This function is intended to be used in this format:\n * ```\n * for (let i = parseClassName(text); i >= 0; i = parseClassNameNext(text, i)) {\n *   const key = getLastParsedKey();\n *   ...\n * }\n * ```\n *\n * @param text `className` to parse\n * @param index where the parsing should resume.\n * @returns index where the next invocation of `parseClassNameNext` should resume.\n */\nfunction parseClassNameNext(text, index) {\n    var end = parserState.textEnd;\n    if (end === index) {\n        return -1;\n    }\n    index = parserState.keyEnd = consumeClassToken(text, parserState.key = index, end);\n    return consumeWhitespace(text, index, end);\n}\n/**\n * Initializes `cssText` string for parsing and parses the first key/values.\n *\n * This function is intended to be used in this format:\n * ```\n * for (let i = parseStyle(text); i >= 0; i = parseStyleNext(text, i))) {\n *   const key = getLastParsedKey();\n *   const value = getLastParsedValue();\n *   ...\n * }\n * ```\n * @param text `cssText` to parse\n * @returns index where the next invocation of `parseStyleNext` should resume.\n */\nfunction parseStyle(text) {\n    resetParserState(text);\n    return parseStyleNext(text, consumeWhitespace(text, 0, parserState.textEnd));\n}\n/**\n * Parses the next `cssText` key/values.\n *\n * This function is intended to be used in this format:\n * ```\n * for (let i = parseStyle(text); i >= 0; i = parseStyleNext(text, i))) {\n *   const key = getLastParsedKey();\n *   const value = getLastParsedValue();\n *   ...\n * }\n *\n * @param text `cssText` to parse\n * @param index where the parsing should resume.\n * @returns index where the next invocation of `parseStyleNext` should resume.\n */\nfunction parseStyleNext(text, startIndex) {\n    var end = parserState.textEnd;\n    var index = parserState.key = consumeWhitespace(text, startIndex, end);\n    if (end === index) {\n        // we reached an end so just quit\n        return -1;\n    }\n    index = parserState.keyEnd = consumeStyleKey(text, index, end);\n    index = consumeSeparator(text, index, end, 58 /* COLON */);\n    index = parserState.value = consumeWhitespace(text, index, end);\n    index = parserState.valueEnd = consumeStyleValue(text, index, end);\n    return consumeSeparator(text, index, end, 59 /* SEMI_COLON */);\n}\n/**\n * Reset the global state of the styling parser.\n * @param text The styling text to parse.\n */\nfunction resetParserState(text) {\n    parserState.key = 0;\n    parserState.keyEnd = 0;\n    parserState.value = 0;\n    parserState.valueEnd = 0;\n    parserState.textEnd = text.length;\n}\n/**\n * Returns index of next non-whitespace character.\n *\n * @param text Text to scan\n * @param startIndex Starting index of character where the scan should start.\n * @param endIndex Ending index of character where the scan should end.\n * @returns Index of next non-whitespace character (May be the same as `start` if no whitespace at\n *          that location.)\n */\nfunction consumeWhitespace(text, startIndex, endIndex) {\n    while (startIndex < endIndex && text.charCodeAt(startIndex) <= 32 /* SPACE */) {\n        startIndex++;\n    }\n    return startIndex;\n}\n/**\n * Returns index of last char in class token.\n *\n * @param text Text to scan\n * @param startIndex Starting index of character where the scan should start.\n * @param endIndex Ending index of character where the scan should end.\n * @returns Index after last char in class token.\n */\nfunction consumeClassToken(text, startIndex, endIndex) {\n    while (startIndex < endIndex && text.charCodeAt(startIndex) > 32 /* SPACE */) {\n        startIndex++;\n    }\n    return startIndex;\n}\n/**\n * Consumes all of the characters belonging to style key and token.\n *\n * @param text Text to scan\n * @param startIndex Starting index of character where the scan should start.\n * @param endIndex Ending index of character where the scan should end.\n * @returns Index after last style key character.\n */\nfunction consumeStyleKey(text, startIndex, endIndex) {\n    var ch;\n    while (startIndex < endIndex &&\n        ((ch = text.charCodeAt(startIndex)) === 45 /* DASH */ || ch === 95 /* UNDERSCORE */ ||\n            ((ch & -33 /* UPPER_CASE */) >= 65 /* A */ && (ch & -33 /* UPPER_CASE */) <= 90 /* Z */))) {\n        startIndex++;\n    }\n    return startIndex;\n}\n/**\n * Consumes all whitespace and the separator `:` after the style key.\n *\n * @param text Text to scan\n * @param startIndex Starting index of character where the scan should start.\n * @param endIndex Ending index of character where the scan should end.\n * @returns Index after separator and surrounding whitespace.\n */\nfunction consumeSeparator(text, startIndex, endIndex, separator) {\n    startIndex = consumeWhitespace(text, startIndex, endIndex);\n    if (startIndex < endIndex) {\n        if (ngDevMode && text.charCodeAt(startIndex) !== separator) {\n            malformedStyleError(text, String.fromCharCode(separator), startIndex);\n        }\n        startIndex++;\n    }\n    return startIndex;\n}\n/**\n * Consumes style value honoring `url()` and `\"\"` text.\n *\n * @param text Text to scan\n * @param startIndex Starting index of character where the scan should start.\n * @param endIndex Ending index of character where the scan should end.\n * @returns Index after last style value character.\n*/\nfunction consumeStyleValue(text, startIndex, endIndex) {\n    var ch1 = -1; // 1st previous character\n    var ch2 = -1; // 2nd previous character\n    var ch3 = -1; // 3rd previous character\n    var i = startIndex;\n    var lastChIndex = i;\n    while (i < endIndex) {\n        var ch = text.charCodeAt(i++);\n        if (ch === 59 /* SEMI_COLON */) {\n            return lastChIndex;\n        }\n        else if (ch === 34 /* DOUBLE_QUOTE */ || ch === 39 /* SINGLE_QUOTE */) {\n            lastChIndex = i = consumeQuotedText(text, ch, i, endIndex);\n        }\n        else if (startIndex ===\n            i - 4 && // We have seen only 4 characters so far \"URL(\" (Ignore \"foo_URL()\")\n            ch3 === 85 /* U */ &&\n            ch2 === 82 /* R */ && ch1 === 76 /* L */ && ch === 40 /* OPEN_PAREN */) {\n            lastChIndex = i = consumeQuotedText(text, 41 /* CLOSE_PAREN */, i, endIndex);\n        }\n        else if (ch > 32 /* SPACE */) {\n            // if we have a non-whitespace character then capture its location\n            lastChIndex = i;\n        }\n        ch3 = ch2;\n        ch2 = ch1;\n        ch1 = ch & -33 /* UPPER_CASE */;\n    }\n    return lastChIndex;\n}\n/**\n * Consumes all of the quoted characters.\n *\n * @param text Text to scan\n * @param quoteCharCode CharCode of either `\"` or `'` quote or `)` for `url(...)`.\n * @param startIndex Starting index of character where the scan should start.\n * @param endIndex Ending index of character where the scan should end.\n * @returns Index after quoted characters.\n */\nfunction consumeQuotedText(text, quoteCharCode, startIndex, endIndex) {\n    var ch1 = -1; // 1st previous character\n    var index = startIndex;\n    while (index < endIndex) {\n        var ch = text.charCodeAt(index++);\n        if (ch == quoteCharCode && ch1 !== 92 /* BACK_SLASH */) {\n            return index;\n        }\n        if (ch == 92 /* BACK_SLASH */ && ch1 === 92 /* BACK_SLASH */) {\n            // two back slashes cancel each other out. For example `\"\\\\\"` should properly end the\n            // quotation. (It should not assume that the last `\"` is escaped.)\n            ch1 = 0;\n        }\n        else {\n            ch1 = ch;\n        }\n    }\n    throw ngDevMode ? malformedStyleError(text, String.fromCharCode(quoteCharCode), endIndex) :\n        new Error();\n}\nfunction malformedStyleError(text, expecting, index) {\n    ngDevMode && assertEqual(typeof text === 'string', true, 'String expected here');\n    throw throwError(\"Malformed style at location \" + index + \" in string '\" + text.substring(0, index) + '[>>' +\n        text.substring(index, index + 1) + '<<]' + text.substr(index + 1) +\n        (\"'. Expecting '\" + expecting + \"'.\"));\n}\n\n/**\n* @license\n* Copyright Google Inc. All Rights Reserved.\n*\n* Use of this source code is governed by an MIT-style license that can be\n* found in the LICENSE file at https://angular.io/license\n*/\n/**\n * Sets the current style sanitizer function which will then be used\n * within all follow-up prop and map-based style binding instructions\n * for the given element.\n *\n * Note that once styling has been applied to the element (i.e. once\n * `advance(n)` is executed or the hostBindings/template function exits)\n * then the active `sanitizerFn` will be set to `null`. This means that\n * once styling is applied to another element then a another call to\n * `styleSanitizer` will need to be made.\n *\n * @param sanitizerFn The sanitization function that will be used to\n *       process style prop/value entries.\n *\n * @codeGenApi\n */\nfunction ɵɵstyleSanitizer(sanitizer) {\n    setCurrentStyleSanitizer(sanitizer);\n}\n/**\n * Update a style binding on an element with the provided value.\n *\n * If the style value is falsy then it will be removed from the element\n * (or assigned a different value depending if there are any styles placed\n * on the element with `styleMap` or any static styles that are\n * present from when the element was created with `styling`).\n *\n * Note that the styling element is updated as part of `stylingApply`.\n *\n * @param prop A valid CSS property.\n * @param value New value to write (`null` or an empty string to remove).\n * @param suffix Optional suffix. Used with scalar values to add unit such as `px`.\n *        Note that when a suffix is provided then the underlying sanitizer will\n *        be ignored.\n *\n * Note that this will apply the provided style value to the host element if this function is called\n * within a host binding function.\n *\n * @codeGenApi\n */\nfunction ɵɵstyleProp(prop, value, suffix) {\n    checkStylingProperty(prop, value, suffix, false);\n    return ɵɵstyleProp;\n}\n/**\n * Update a class binding on an element with the provided value.\n *\n * This instruction is meant to handle the `[class.foo]=\"exp\"` case and,\n * therefore, the class binding itself must already be allocated using\n * `styling` within the creation block.\n *\n * @param prop A valid CSS class (only one).\n * @param value A true/false value which will turn the class on or off.\n *\n * Note that this will apply the provided class value to the host element if this function\n * is called within a host binding function.\n *\n * @codeGenApi\n */\nfunction ɵɵclassProp(className, value) {\n    checkStylingProperty(className, value, null, true);\n    return ɵɵclassProp;\n}\n/**\n * Update style bindings using an object literal on an element.\n *\n * This instruction is meant to apply styling via the `[style]=\"exp\"` template bindings.\n * When styles are applied to the element they will then be updated with respect to\n * any styles/classes set via `styleProp`. If any styles are set to falsy\n * then they will be removed from the element.\n *\n * Note that the styling instruction will not be applied until `stylingApply` is called.\n *\n * @param styles A key/value style map of the styles that will be applied to the given element.\n *        Any missing styles (that have already been applied to the element beforehand) will be\n *        removed (unset) from the element's styling.\n *\n * Note that this will apply the provided styleMap value to the host element if this function\n * is called within a host binding.\n *\n * @codeGenApi\n */\nfunction ɵɵstyleMap(styles) {\n    checkStylingMap(styleKeyValueArraySet, styleStringParser, styles, false);\n}\n/**\n * Parse text as style and add values to KeyValueArray.\n *\n * This code is pulled out to a separate function so that it can be tree shaken away if it is not\n * needed. It is only referenced from `ɵɵstyleMap`.\n *\n * @param keyValueArray KeyValueArray to add parsed values to.\n * @param text text to parse.\n */\nfunction styleStringParser(keyValueArray, text) {\n    for (var i = parseStyle(text); i >= 0; i = parseStyleNext(text, i)) {\n        styleKeyValueArraySet(keyValueArray, getLastParsedKey(text), getLastParsedValue(text));\n    }\n}\n/**\n * Update class bindings using an object literal or class-string on an element.\n *\n * This instruction is meant to apply styling via the `[class]=\"exp\"` template bindings.\n * When classes are applied to the element they will then be updated with\n * respect to any styles/classes set via `classProp`. If any\n * classes are set to falsy then they will be removed from the element.\n *\n * Note that the styling instruction will not be applied until `stylingApply` is called.\n * Note that this will the provided classMap value to the host element if this function is called\n * within a host binding.\n *\n * @param classes A key/value map or string of CSS classes that will be added to the\n *        given element. Any missing classes (that have already been applied to the element\n *        beforehand) will be removed (unset) from the element's list of CSS classes.\n *\n * @codeGenApi\n */\nfunction ɵɵclassMap(classes) {\n    checkStylingMap(keyValueArraySet, classStringParser, classes, true);\n}\n/**\n * Parse text as class and add values to KeyValueArray.\n *\n * This code is pulled out to a separate function so that it can be tree shaken away if it is not\n * needed. It is only referenced from `ɵɵclassMap`.\n *\n * @param keyValueArray KeyValueArray to add parsed values to.\n * @param text text to parse.\n */\nfunction classStringParser(keyValueArray, text) {\n    for (var i = parseClassName(text); i >= 0; i = parseClassNameNext(text, i)) {\n        keyValueArraySet(keyValueArray, getLastParsedKey(text), true);\n    }\n}\n/**\n * Common code between `ɵɵclassProp` and `ɵɵstyleProp`.\n *\n * @param prop property name.\n * @param value binding value.\n * @param suffixOrSanitizer suffix or sanitization function\n * @param isClassBased `true` if `class` change (`false` if `style`)\n */\nfunction checkStylingProperty(prop, value, suffixOrSanitizer, isClassBased) {\n    var lView = getLView();\n    var tView = getTView();\n    // Styling instructions use 2 slots per binding.\n    // 1. one for the value / TStylingKey\n    // 2. one for the intermittent-value / TStylingRange\n    var bindingIndex = incrementBindingIndex(2);\n    if (tView.firstUpdatePass) {\n        stylingFirstUpdatePass(tView, prop, bindingIndex, isClassBased);\n    }\n    if (value !== NO_CHANGE && bindingUpdated(lView, bindingIndex, value)) {\n        // This is a work around. Once PR#34480 lands the sanitizer is passed explicitly and this line\n        // can be removed.\n        var styleSanitizer = void 0;\n        if (suffixOrSanitizer == null) {\n            if (styleSanitizer = getCurrentStyleSanitizer()) {\n                suffixOrSanitizer = styleSanitizer;\n            }\n        }\n        var tNode = tView.data[getSelectedIndex() + HEADER_OFFSET];\n        updateStyling(tView, tNode, lView, lView[RENDERER], prop, lView[bindingIndex + 1] = normalizeAndApplySuffixOrSanitizer(value, suffixOrSanitizer), isClassBased, bindingIndex);\n    }\n}\n/**\n * Common code between `ɵɵclassMap` and `ɵɵstyleMap`.\n *\n * @param keyValueArraySet (See `keyValueArraySet` in \"util/array_utils\") Gets passed in as a\n * function so that\n *        `style` can pass in version which does sanitization. This is done for tree shaking\n *        purposes.\n * @param stringParser Parser used to parse `value` if `string`. (Passed in as `style` and `class`\n *        have different parsers.)\n * @param value bound value from application\n * @param isClassBased `true` if `class` change (`false` if `style`)\n */\nfunction checkStylingMap(keyValueArraySet, stringParser, value, isClassBased) {\n    var tView = getTView();\n    var bindingIndex = incrementBindingIndex(2);\n    if (tView.firstUpdatePass) {\n        stylingFirstUpdatePass(tView, null, bindingIndex, isClassBased);\n    }\n    var lView = getLView();\n    if (value !== NO_CHANGE && bindingUpdated(lView, bindingIndex, value)) {\n        // `getSelectedIndex()` should be here (rather than in instruction) so that it is guarded by the\n        // if so as not to read unnecessarily.\n        var tNode = tView.data[getSelectedIndex() + HEADER_OFFSET];\n        if (hasStylingInputShadow(tNode, isClassBased) && !isInHostBindings(tView, bindingIndex)) {\n            if (ngDevMode) {\n                // verify that if we are shadowing then `TData` is appropriately marked so that we skip\n                // processing this binding in styling resolution.\n                var tStylingKey = tView.data[bindingIndex];\n                assertEqual(Array.isArray(tStylingKey) ? tStylingKey[1] : tStylingKey, false, 'Styling linked list shadow input should be marked as \\'false\\'');\n            }\n            // VE does not concatenate the static portion like we are doing here.\n            // Instead VE just ignores the static completely if dynamic binding is present.\n            // Because of locality we have already set the static portion because we don't know if there\n            // is a dynamic portion until later. If we would ignore the static portion it would look like\n            // the binding has removed it. This would confuse `[ngStyle]`/`[ngClass]` to do the wrong\n            // thing as it would think that the static portion was removed. For this reason we\n            // concatenate it so that `[ngStyle]`/`[ngClass]`  can continue to work on changed.\n            var staticPrefix = isClassBased ? tNode.classes : tNode.styles;\n            ngDevMode && isClassBased === false && staticPrefix !== null &&\n                assertEqual(staticPrefix.endsWith(';'), true, 'Expecting static portion to end with \\';\\'');\n            if (typeof value === 'string') {\n                value = concatStringsWithSpace(staticPrefix, value);\n            }\n            // Given `<div [style] my-dir>` such that `my-dir` has `@Input('style')`.\n            // This takes over the `[style]` binding. (Same for `[class]`)\n            setDirectiveInputsWhichShadowsStyling(tView, tNode, lView, value, isClassBased);\n        }\n        else {\n            updateStylingMap(tView, tNode, lView, lView[RENDERER], lView[bindingIndex + 1], lView[bindingIndex + 1] = toStylingKeyValueArray(keyValueArraySet, stringParser, value), isClassBased, bindingIndex);\n        }\n    }\n}\n/**\n * Determines when the binding is in `hostBindings` section\n *\n * @param tView Current `TView`\n * @param bindingIndex index of binding which we would like if it is in `hostBindings`\n */\nfunction isInHostBindings(tView, bindingIndex) {\n    // All host bindings are placed after the expando section.\n    return bindingIndex >= tView.expandoStartIndex;\n}\n/**\n* Collects the necessary information to insert the binding into a linked list of style bindings\n* using `insertTStylingBinding`.\n*\n* @param tView `TView` where the binding linked list will be stored.\n* @param tStylingKey Property/key of the binding.\n* @param bindingIndex Index of binding associated with the `prop`\n* @param isClassBased `true` if `class` change (`false` if `style`)\n*/\nfunction stylingFirstUpdatePass(tView, tStylingKey, bindingIndex, isClassBased) {\n    ngDevMode && assertFirstUpdatePass(tView);\n    var tData = tView.data;\n    if (tData[bindingIndex + 1] === null) {\n        // The above check is necessary because we don't clear first update pass until first successful\n        // (no exception) template execution. This prevents the styling instruction from double adding\n        // itself to the list.\n        // `getSelectedIndex()` should be here (rather than in instruction) so that it is guarded by the\n        // if so as not to read unnecessarily.\n        var tNode = tData[getSelectedIndex() + HEADER_OFFSET];\n        var isHostBindings = isInHostBindings(tView, bindingIndex);\n        if (hasStylingInputShadow(tNode, isClassBased) && tStylingKey === null && !isHostBindings) {\n            // `tStylingKey === null` implies that we are either `[style]` or `[class]` binding.\n            // If there is a directive which uses `@Input('style')` or `@Input('class')` than\n            // we need to neutralize this binding since that directive is shadowing it.\n            // We turn this into a noop by setting the key to `false`\n            tStylingKey = false;\n        }\n        tStylingKey = wrapInStaticStylingKey(tData, tNode, tStylingKey, isClassBased);\n        insertTStylingBinding(tData, tNode, tStylingKey, bindingIndex, isHostBindings, isClassBased);\n    }\n}\n/**\n * Adds static styling information to the binding if applicable.\n *\n * The linked list of styles not only stores the list and keys, but also stores static styling\n * information on some of the keys. This function determines if the key should contain the styling\n * information and computes it.\n *\n * See `TStylingStatic` for more details.\n *\n * @param tData `TData` where the linked list is stored.\n * @param tNode `TNode` for which the styling is being computed.\n * @param stylingKey `TStylingKeyPrimitive` which may need to be wrapped into `TStylingKey`\n * @param isClassBased `true` if `class` (`false` if `style`)\n */\nfunction wrapInStaticStylingKey(tData, tNode, stylingKey, isClassBased) {\n    var hostDirectiveDef = getHostDirectiveDef(tData);\n    var residual = isClassBased ? tNode.residualClasses : tNode.residualStyles;\n    if (hostDirectiveDef === null) {\n        // We are in template node.\n        // If template node already had styling instruction then it has already collected the static\n        // styling and there is no need to collect them again. We know that we are the first styling\n        // instruction because the `TNode.*Bindings` points to 0 (nothing has been inserted yet).\n        var isFirstStylingInstructionInTemplate = (isClassBased ? tNode.classBindings : tNode.styleBindings) === 0;\n        if (isFirstStylingInstructionInTemplate) {\n            // It would be nice to be able to get the statics from `mergeAttrs`, however, at this point\n            // they are already merged and it would not be possible to figure which property belongs where\n            // in the priority.\n            stylingKey = collectStylingFromDirectives(null, tData, tNode, stylingKey, isClassBased);\n            stylingKey = collectStylingFromTAttrs(stylingKey, tNode.attrs, isClassBased);\n            // We know that if we have styling binding in template we can't have residual.\n            residual = null;\n        }\n    }\n    else {\n        // We are in host binding node and there was no binding instruction in template node.\n        // This means that we need to compute the residual.\n        var directiveStylingLast = tNode.directiveStylingLast;\n        var isFirstStylingInstructionInHostBinding = directiveStylingLast === -1 || tData[directiveStylingLast] !== hostDirectiveDef;\n        if (isFirstStylingInstructionInHostBinding) {\n            stylingKey =\n                collectStylingFromDirectives(hostDirectiveDef, tData, tNode, stylingKey, isClassBased);\n            if (residual === null) {\n                // - If `null` than either:\n                //    - Template styling instruction already ran and it has consumed the static\n                //      styling into its `TStylingKey` and so there is no need to update residual. Instead\n                //      we need to update the `TStylingKey` associated with the first template node\n                //      instruction. OR\n                //    - Some other styling instruction ran and determined that there are no residuals\n                var templateStylingKey = getTemplateHeadTStylingKey(tData, tNode, isClassBased);\n                if (templateStylingKey !== undefined && Array.isArray(templateStylingKey)) {\n                    // Only recompute if `templateStylingKey` had static values. (If no static value found\n                    // then there is nothing to do since this operation can only produce less static keys, not\n                    // more.)\n                    templateStylingKey = collectStylingFromDirectives(null, tData, tNode, templateStylingKey[1] /* unwrap previous statics */, isClassBased);\n                    templateStylingKey =\n                        collectStylingFromTAttrs(templateStylingKey, tNode.attrs, isClassBased);\n                    setTemplateHeadTStylingKey(tData, tNode, isClassBased, templateStylingKey);\n                }\n            }\n            else {\n                // We only need to recompute residual if it is not `null`.\n                // - If existing residual (implies there was no template styling). This means that some of\n                //   the statics may have moved from the residual to the `stylingKey` and so we have to\n                //   recompute.\n                // - If `undefined` this is the first time we are running.\n                residual = collectResidual(tData, tNode, isClassBased);\n            }\n        }\n    }\n    if (residual !== undefined) {\n        isClassBased ? (tNode.residualClasses = residual) : (tNode.residualStyles = residual);\n    }\n    return stylingKey;\n}\n/**\n * Retrieve the `TStylingKey` for the template styling instruction.\n *\n * This is needed since `hostBinding` styling instructions are inserted after the template\n * instruction. While the template instruction needs to update the residual in `TNode` the\n * `hostBinding` instructions need to update the `TStylingKey` of the template instruction because\n * the template instruction is downstream from the `hostBindings` instructions.\n *\n * @param tData `TData` where the linked list is stored.\n * @param tNode `TNode` for which the styling is being computed.\n * @param isClassBased `true` if `class` (`false` if `style`)\n * @return `TStylingKey` if found or `undefined` if not found.\n */\nfunction getTemplateHeadTStylingKey(tData, tNode, isClassBased) {\n    var bindings = isClassBased ? tNode.classBindings : tNode.styleBindings;\n    if (getTStylingRangeNext(bindings) === 0) {\n        // There does not seem to be a styling instruction in the `template`.\n        return undefined;\n    }\n    return tData[getTStylingRangePrev(bindings)];\n}\n/**\n * Update the `TStylingKey` of the first template instruction in `TNode`.\n *\n * Logically `hostBindings` styling instructions are of lower priority than that of the template.\n * However, they execute after the template styling instructions. This means that they get inserted\n * in front of the template styling instructions.\n *\n * If we have a template styling instruction and a new `hostBindings` styling instruction is\n * executed it means that it may need to steal static fields from the template instruction. This\n * method allows us to update the first template instruction `TStylingKey` with a new value.\n *\n * Assume:\n * ```\n * <div my-dir style=\"color: red\" [style.color]=\"tmplExp\"></div>\n *\n * @Directive({\n *   host: {\n *     'style': 'width: 100px',\n *     '[style.color]': 'dirExp',\n *   }\n * })\n * class MyDir {}\n * ```\n *\n * when `[style.color]=\"tmplExp\"` executes it creates this data structure.\n * ```\n *  ['', 'color', 'color', 'red', 'width', '100px'],\n * ```\n *\n * The reason for this is that the template instruction does not know if there are styling\n * instructions and must assume that there are none and must collect all of the static styling.\n * (both\n * `color' and 'width`)\n *\n * When `'[style.color]': 'dirExp',` executes we need to insert a new data into the linked list.\n * ```\n *  ['', 'color', 'width', '100px'],  // newly inserted\n *  ['', 'color', 'color', 'red', 'width', '100px'], // this is wrong\n * ```\n *\n * Notice that the template statics is now wrong as it incorrectly contains `width` so we need to\n * update it like so:\n * ```\n *  ['', 'color', 'width', '100px'],\n *  ['', 'color', 'color', 'red'],    // UPDATE\n * ```\n *\n * @param tData `TData` where the linked list is stored.\n * @param tNode `TNode` for which the styling is being computed.\n * @param isClassBased `true` if `class` (`false` if `style`)\n * @param tStylingKey New `TStylingKey` which is replacing the old one.\n */\nfunction setTemplateHeadTStylingKey(tData, tNode, isClassBased, tStylingKey) {\n    var bindings = isClassBased ? tNode.classBindings : tNode.styleBindings;\n    ngDevMode && assertNotEqual(getTStylingRangeNext(bindings), 0, 'Expecting to have at least one template styling binding.');\n    tData[getTStylingRangePrev(bindings)] = tStylingKey;\n}\n/**\n * Collect all static values after the current `TNode.directiveStylingLast` index.\n *\n * Collect the remaining styling information which has not yet been collected by an existing\n * styling instruction.\n *\n * @param tData `TData` where the `DirectiveDefs` are stored.\n * @param tNode `TNode` which contains the directive range.\n * @param isClassBased `true` if `class` (`false` if `style`)\n */\nfunction collectResidual(tData, tNode, isClassBased) {\n    var residual = undefined;\n    var directiveEnd = tNode.directiveEnd;\n    ngDevMode &&\n        assertNotEqual(tNode.directiveStylingLast, -1, 'By the time this function gets called at least one hostBindings-node styling instruction must have executed.');\n    // We add `1 + tNode.directiveStart` because we need to skip the current directive (as we are\n    // collecting things after the last `hostBindings` directive which had a styling instruction.)\n    for (var i = 1 + tNode.directiveStylingLast; i < directiveEnd; i++) {\n        var attrs = tData[i].hostAttrs;\n        residual = collectStylingFromTAttrs(residual, attrs, isClassBased);\n    }\n    return collectStylingFromTAttrs(residual, tNode.attrs, isClassBased);\n}\n/**\n * Collect the static styling information with lower priority than `hostDirectiveDef`.\n *\n * (This is opposite of residual styling.)\n *\n * @param hostDirectiveDef `DirectiveDef` for which we want to collect lower priority static\n *        styling. (Or `null` if template styling)\n * @param tData `TData` where the linked list is stored.\n * @param tNode `TNode` for which the styling is being computed.\n * @param stylingKey Existing `TStylingKey` to update or wrap.\n * @param isClassBased `true` if `class` (`false` if `style`)\n */\nfunction collectStylingFromDirectives(hostDirectiveDef, tData, tNode, stylingKey, isClassBased) {\n    // We need to loop because there can be directives which have `hostAttrs` but don't have\n    // `hostBindings` so this loop catches up to the current directive..\n    var currentDirective = null;\n    var directiveEnd = tNode.directiveEnd;\n    var directiveStylingLast = tNode.directiveStylingLast;\n    if (directiveStylingLast === -1) {\n        directiveStylingLast = tNode.directiveStart;\n    }\n    else {\n        directiveStylingLast++;\n    }\n    while (directiveStylingLast < directiveEnd) {\n        currentDirective = tData[directiveStylingLast];\n        ngDevMode && assertDefined(currentDirective, 'expected to be defined');\n        stylingKey = collectStylingFromTAttrs(stylingKey, currentDirective.hostAttrs, isClassBased);\n        if (currentDirective === hostDirectiveDef)\n            break;\n        directiveStylingLast++;\n    }\n    if (hostDirectiveDef !== null) {\n        // we only advance the styling cursor if we are collecting data from host bindings.\n        // Template executes before host bindings and so if we would update the index,\n        // host bindings would not get their statics.\n        tNode.directiveStylingLast = directiveStylingLast;\n    }\n    return stylingKey;\n}\n/**\n * Convert `TAttrs` into `TStylingStatic`.\n *\n * @param stylingKey existing `TStylingKey` to update or wrap.\n * @param attrs `TAttributes` to process.\n * @param isClassBased `true` if `class` (`false` if `style`)\n */\nfunction collectStylingFromTAttrs(stylingKey, attrs, isClassBased) {\n    var desiredMarker = isClassBased ? 1 /* Classes */ : 2 /* Styles */;\n    var currentMarker = -1 /* ImplicitAttributes */;\n    if (attrs !== null) {\n        for (var i = 0; i < attrs.length; i++) {\n            var item = attrs[i];\n            if (typeof item === 'number') {\n                currentMarker = item;\n            }\n            else {\n                if (currentMarker === desiredMarker) {\n                    if (!Array.isArray(stylingKey)) {\n                        stylingKey = stylingKey === undefined ? [] : ['', stylingKey];\n                    }\n                    keyValueArraySet(stylingKey, item, isClassBased ? true : attrs[++i]);\n                }\n            }\n        }\n    }\n    return stylingKey === undefined ? null : stylingKey;\n}\n/**\n * Retrieve the current `DirectiveDef` which is active when `hostBindings` style instruction is\n * being executed (or `null` if we are in `template`.)\n *\n * @param tData Current `TData` where the `DirectiveDef` will be looked up at.\n */\nfunction getHostDirectiveDef(tData) {\n    var currentDirectiveIndex = getCurrentDirectiveIndex();\n    return currentDirectiveIndex === -1 ? null : tData[currentDirectiveIndex];\n}\n/**\n * Convert user input to `KeyValueArray`.\n *\n * This function takes user input which could be `string`, Object literal, or iterable and converts\n * it into a consistent representation. The output of this is `KeyValueArray` (which is an array\n * where\n * even indexes contain keys and odd indexes contain values for those keys).\n *\n * The advantage of converting to `KeyValueArray` is that we can perform diff in an input\n * independent\n * way.\n * (ie we can compare `foo bar` to `['bar', 'baz'] and determine a set of changes which need to be\n * applied)\n *\n * The fact that `KeyValueArray` is sorted is very important because it allows us to compute the\n * difference in linear fashion without the need to allocate any additional data.\n *\n * For example if we kept this as a `Map` we would have to iterate over previous `Map` to determine\n * which values need to be deleted, over the new `Map` to determine additions, and we would have to\n * keep additional `Map` to keep track of duplicates or items which have not yet been visited.\n *\n * @param keyValueArraySet (See `keyValueArraySet` in \"util/array_utils\") Gets passed in as a\n * function so that\n *        `style` can pass in version which does sanitization. This is done for tree shaking\n *        purposes.\n * @param stringParser The parser is passed in so that it will be tree shakable. See\n *        `styleStringParser` and `classStringParser`\n * @param value The value to parse/convert to `KeyValueArray`\n */\nfunction toStylingKeyValueArray(keyValueArraySet, stringParser, value) {\n    if (value == null /*|| value === undefined */ || value === '')\n        return EMPTY_ARRAY$3;\n    var styleKeyValueArray = [];\n    if (Array.isArray(value)) {\n        for (var i = 0; i < value.length; i++) {\n            keyValueArraySet(styleKeyValueArray, value[i], true);\n        }\n    }\n    else if (typeof value === 'object') {\n        if (value instanceof Map) {\n            value.forEach(function (v, k) { return keyValueArraySet(styleKeyValueArray, k, v); });\n        }\n        else if (value instanceof Set) {\n            value.forEach(function (k) { return keyValueArraySet(styleKeyValueArray, k, true); });\n        }\n        else {\n            for (var key in value) {\n                if (value.hasOwnProperty(key)) {\n                    keyValueArraySet(styleKeyValueArray, key, value[key]);\n                }\n            }\n        }\n    }\n    else if (typeof value === 'string') {\n        stringParser(styleKeyValueArray, value);\n    }\n    else {\n        ngDevMode && throwError('Unsupported styling type ' + typeof value + ': ' + value);\n    }\n    return styleKeyValueArray;\n}\n/**\n * Set a `value` for a `key` taking style sanitization into account.\n *\n * See: `keyValueArraySet` for details\n *\n * @param keyValueArray KeyValueArray to add to.\n * @param key Style key to add. (This key will be checked if it needs sanitization)\n * @param value The value to set (If key needs sanitization it will be sanitized)\n */\nfunction styleKeyValueArraySet(keyValueArray, key, value) {\n    if (stylePropNeedsSanitization(key)) {\n        value = ɵɵsanitizeStyle(value);\n    }\n    keyValueArraySet(keyValueArray, key, value);\n}\n/**\n * Update map based styling.\n *\n * Map based styling could be anything which contains more than one binding. For example `string`,\n * `Map`, `Set` or object literal. Dealing with all of these types would complicate the logic so\n * instead this function expects that the complex input is first converted into normalized\n * `KeyValueArray`. The advantage of normalization is that we get the values sorted, which makes it\n * very\n * cheap to compute deltas between the previous and current value.\n *\n * @param tView Associated `TView.data` contains the linked list of binding priorities.\n * @param tNode `TNode` where the binding is located.\n * @param lView `LView` contains the values associated with other styling binding at this `TNode`.\n * @param renderer Renderer to use if any updates.\n * @param oldKeyValueArray Previous value represented as `KeyValueArray`\n * @param newKeyValueArray Current value represented as `KeyValueArray`\n * @param isClassBased `true` if `class` (`false` if `style`)\n * @param bindingIndex Binding index of the binding.\n */\nfunction updateStylingMap(tView, tNode, lView, renderer, oldKeyValueArray, newKeyValueArray, isClassBased, bindingIndex) {\n    if (oldKeyValueArray === NO_CHANGE) {\n        // On first execution the oldKeyValueArray is NO_CHANGE => treat it as empty KeyValueArray.\n        oldKeyValueArray = EMPTY_ARRAY$3;\n    }\n    var oldIndex = 0;\n    var newIndex = 0;\n    var oldKey = 0 < oldKeyValueArray.length ? oldKeyValueArray[0] : null;\n    var newKey = 0 < newKeyValueArray.length ? newKeyValueArray[0] : null;\n    while (oldKey !== null || newKey !== null) {\n        ngDevMode && assertLessThan(oldIndex, 999, 'Are we stuck in infinite loop?');\n        ngDevMode && assertLessThan(newIndex, 999, 'Are we stuck in infinite loop?');\n        var oldValue = oldIndex < oldKeyValueArray.length ? oldKeyValueArray[oldIndex + 1] : undefined;\n        var newValue = newIndex < newKeyValueArray.length ? newKeyValueArray[newIndex + 1] : undefined;\n        var setKey = null;\n        var setValue = undefined;\n        if (oldKey === newKey) {\n            // UPDATE: Keys are equal => new value is overwriting old value.\n            oldIndex += 2;\n            newIndex += 2;\n            if (oldValue !== newValue) {\n                setKey = newKey;\n                setValue = newValue;\n            }\n        }\n        else if (newKey === null || oldKey !== null && oldKey < newKey) {\n            // DELETE: oldKey key is missing or we did not find the oldKey in the newValue\n            // (because the keyValueArray is sorted and `newKey` is found later alphabetically).\n            // `\"background\" < \"color\"` so we need to delete `\"background\"` because it is not found in the\n            // new array.\n            oldIndex += 2;\n            setKey = oldKey;\n        }\n        else {\n            // CREATE: newKey's is earlier alphabetically than oldKey's (or no oldKey) => we have new key.\n            // `\"color\" > \"background\"` so we need to add `color` because it is in new array but not in\n            // old array.\n            ngDevMode && assertDefined(newKey, 'Expecting to have a valid key');\n            newIndex += 2;\n            setKey = newKey;\n            setValue = newValue;\n        }\n        if (setKey !== null) {\n            updateStyling(tView, tNode, lView, renderer, setKey, setValue, isClassBased, bindingIndex);\n        }\n        oldKey = oldIndex < oldKeyValueArray.length ? oldKeyValueArray[oldIndex] : null;\n        newKey = newIndex < newKeyValueArray.length ? newKeyValueArray[newIndex] : null;\n    }\n}\n/**\n * Update a simple (property name) styling.\n *\n * This function takes `prop` and updates the DOM to that value. The function takes the binding\n * value as well as binding priority into consideration to determine which value should be written\n * to DOM. (For example it may be determined that there is a higher priority overwrite which blocks\n * the DOM write, or if the value goes to `undefined` a lower priority overwrite may be consulted.)\n *\n * @param tView Associated `TView.data` contains the linked list of binding priorities.\n * @param tNode `TNode` where the binding is located.\n * @param lView `LView` contains the values associated with other styling binding at this `TNode`.\n * @param renderer Renderer to use if any updates.\n * @param prop Either style property name or a class name.\n * @param value Either style value for `prop` or `true`/`false` if `prop` is class.\n * @param isClassBased `true` if `class` (`false` if `style`)\n * @param bindingIndex Binding index of the binding.\n */\nfunction updateStyling(tView, tNode, lView, renderer, prop, value, isClassBased, bindingIndex) {\n    if (tNode.type !== 3 /* Element */) {\n        // It is possible to have styling on non-elements (such as ng-container).\n        // This is rare, but it does happen. In such a case, just ignore the binding.\n        return;\n    }\n    var tData = tView.data;\n    var tRange = tData[bindingIndex + 1];\n    var higherPriorityValue = getTStylingRangeNextDuplicate(tRange) ?\n        findStylingValue(tData, tNode, lView, prop, getTStylingRangeNext(tRange), isClassBased) :\n        undefined;\n    if (!isStylingValuePresent(higherPriorityValue)) {\n        // We don't have a next duplicate, or we did not find a duplicate value.\n        if (!isStylingValuePresent(value)) {\n            // We should delete current value or restore to lower priority value.\n            if (getTStylingRangePrevDuplicate(tRange)) {\n                // We have a possible prev duplicate, let's retrieve it.\n                value = findStylingValue(tData, null, lView, prop, bindingIndex, isClassBased);\n            }\n        }\n        var rNode = getNativeByIndex(getSelectedIndex(), lView);\n        applyStyling(renderer, isClassBased, rNode, prop, value);\n    }\n}\n/**\n * Search for styling value with higher priority which is overwriting current value, or a\n * value of lower priority to which we should fall back if the value is `undefined`.\n *\n * When value is being applied at a location, related values need to be consulted.\n * - If there is a higher priority binding, we should be using that one instead.\n *   For example `<div  [style]=\"{color:exp1}\" [style.color]=\"exp2\">` change to `exp1`\n *   requires that we check `exp2` to see if it is set to value other than `undefined`.\n * - If there is a lower priority binding and we are changing to `undefined`\n *   For example `<div  [style]=\"{color:exp1}\" [style.color]=\"exp2\">` change to `exp2` to\n *   `undefined` requires that we check `exp1` (and static values) and use that as new value.\n *\n * NOTE: The styling stores two values.\n * 1. The raw value which came from the application is stored at `index + 0` location. (This value\n *    is used for dirty checking).\n * 2. The normalized value (converted to `KeyValueArray` if map and sanitized) is stored at `index +\n * 1`.\n *    The advantage of storing the sanitized value is that once the value is written we don't need\n *    to worry about sanitizing it later or keeping track of the sanitizer.\n *\n * @param tData `TData` used for traversing the priority.\n * @param tNode `TNode` to use for resolving static styling. Also controls search direction.\n *   - `TNode` search next and quit as soon as `isStylingValuePresent(value)` is true.\n *      If no value found consult `tNode.residualStyle`/`tNode.residualClass` for default value.\n *   - `null` search prev and go all the way to end. Return last value where\n *     `isStylingValuePresent(value)` is true.\n * @param lView `LView` used for retrieving the actual values.\n * @param prop Property which we are interested in.\n * @param index Starting index in the linked list of styling bindings where the search should start.\n * @param isClassBased `true` if `class` (`false` if `style`)\n */\nfunction findStylingValue(tData, tNode, lView, prop, index, isClassBased) {\n    // `TNode` to use for resolving static styling. Also controls search direction.\n    //   - `TNode` search next and quit as soon as `isStylingValuePresent(value)` is true.\n    //      If no value found consult `tNode.residualStyle`/`tNode.residualClass` for default value.\n    //   - `null` search prev and go all the way to end. Return last value where\n    //     `isStylingValuePresent(value)` is true.\n    var isPrevDirection = tNode === null;\n    var value = undefined;\n    while (index > 0) {\n        var rawKey = tData[index];\n        var containsStatics = Array.isArray(rawKey);\n        // Unwrap the key if we contain static values.\n        var key = containsStatics ? rawKey[1] : rawKey;\n        var isStylingMap = key === null;\n        var valueAtLViewIndex = lView[index + 1];\n        if (valueAtLViewIndex === NO_CHANGE) {\n            // In firstUpdatePass the styling instructions create a linked list of styling.\n            // On subsequent passes it is possible for a styling instruction to try to read a binding\n            // which\n            // has not yet executed. In that case we will find `NO_CHANGE` and we should assume that\n            // we have `undefined` (or empty array in case of styling-map instruction) instead. This\n            // allows the resolution to apply the value (which may later be overwritten when the\n            // binding actually executes.)\n            valueAtLViewIndex = isStylingMap ? EMPTY_ARRAY$3 : undefined;\n        }\n        var currentValue = isStylingMap ? keyValueArrayGet(valueAtLViewIndex, prop) :\n            key === prop ? valueAtLViewIndex : undefined;\n        if (containsStatics && !isStylingValuePresent(currentValue)) {\n            currentValue = keyValueArrayGet(rawKey, prop);\n        }\n        if (isStylingValuePresent(currentValue)) {\n            value = currentValue;\n            if (isPrevDirection) {\n                return value;\n            }\n        }\n        var tRange = tData[index + 1];\n        index = isPrevDirection ? getTStylingRangePrev(tRange) : getTStylingRangeNext(tRange);\n    }\n    if (tNode !== null) {\n        // in case where we are going in next direction AND we did not find anything, we need to\n        // consult residual styling\n        var residual = isClassBased ? tNode.residualClasses : tNode.residualStyles;\n        if (residual != null /** OR residual !=== undefined */) {\n            value = keyValueArrayGet(residual, prop);\n        }\n    }\n    return value;\n}\n/**\n * Determines if the binding value should be used (or if the value is 'undefined' and hence priority\n * resolution should be used.)\n *\n * @param value Binding style value.\n */\nfunction isStylingValuePresent(value) {\n    // Currently only `undefined` value is considered non-binding. That is `undefined` says I don't\n    // have an opinion as to what this binding should be and you should consult other bindings by\n    // priority to determine the valid value.\n    // This is extracted into a single function so that we have a single place to control this.\n    return value !== undefined;\n}\n/**\n * Sanitizes or adds suffix to the value.\n *\n * If value is `null`/`undefined` no suffix is added\n * @param value\n * @param suffixOrSanitizer\n */\nfunction normalizeAndApplySuffixOrSanitizer(value, suffixOrSanitizer) {\n    if (value == null /** || value === undefined */) {\n        // do nothing\n    }\n    else if (typeof suffixOrSanitizer === 'function') {\n        // sanitize the value.\n        value = suffixOrSanitizer(value);\n    }\n    else if (typeof suffixOrSanitizer === 'string') {\n        value = value + suffixOrSanitizer;\n    }\n    else if (typeof value === 'object') {\n        value = stringify(unwrapSafeValue(value));\n    }\n    return value;\n}\n/**\n * Tests if the `TNode` has input shadow.\n *\n * An input shadow is when a directive steals (shadows) the input by using `@Input('style')` or\n * `@Input('class')` as input.\n *\n * @param tNode `TNode` which we would like to see if it has shadow.\n * @param isClassBased `true` if `class` (`false` if `style`)\n */\nfunction hasStylingInputShadow(tNode, isClassBased) {\n    return (tNode.flags & (isClassBased ? 16 /* hasClassInput */ : 32 /* hasStyleInput */)) !== 0;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Create static text node\n *\n * @param index Index of the node in the data array\n * @param value Static string value to write.\n *\n * @codeGenApi\n */\nfunction ɵɵtext(index, value) {\n    if (value === void 0) { value = ''; }\n    var lView = getLView();\n    var tView = getTView();\n    var adjustedIndex = index + HEADER_OFFSET;\n    ngDevMode && assertEqual(getBindingIndex(), tView.bindingStartIndex, 'text nodes should be created before any bindings');\n    ngDevMode && assertDataInRange(lView, adjustedIndex);\n    var tNode = tView.firstCreatePass ?\n        getOrCreateTNode(tView, lView[T_HOST], index, 3 /* Element */, null, null) :\n        tView.data[adjustedIndex];\n    var textNative = lView[adjustedIndex] = createTextNode(value, lView[RENDERER]);\n    appendChild(tView, lView, textNative, tNode);\n    // Text nodes are self closing.\n    setPreviousOrParentTNode(tNode, false);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n *\n * Update text content with a lone bound value\n *\n * Used when a text node has 1 interpolated value in it, an no additional text\n * surrounds that interpolated value:\n *\n * ```html\n * <div>{{v0}}</div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵtextInterpolate(v0);\n * ```\n * @returns itself, so that it may be chained.\n * @see textInterpolateV\n * @codeGenApi\n */\nfunction ɵɵtextInterpolate(v0) {\n    ɵɵtextInterpolate1('', v0, '');\n    return ɵɵtextInterpolate;\n}\n/**\n *\n * Update text content with single bound value surrounded by other text.\n *\n * Used when a text node has 1 interpolated value in it:\n *\n * ```html\n * <div>prefix{{v0}}suffix</div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵtextInterpolate1('prefix', v0, 'suffix');\n * ```\n * @returns itself, so that it may be chained.\n * @see textInterpolateV\n * @codeGenApi\n */\nfunction ɵɵtextInterpolate1(prefix, v0, suffix) {\n    var lView = getLView();\n    var interpolated = interpolation1(lView, prefix, v0, suffix);\n    if (interpolated !== NO_CHANGE) {\n        textBindingInternal(lView, getSelectedIndex(), interpolated);\n    }\n    return ɵɵtextInterpolate1;\n}\n/**\n *\n * Update text content with 2 bound values surrounded by other text.\n *\n * Used when a text node has 2 interpolated values in it:\n *\n * ```html\n * <div>prefix{{v0}}-{{v1}}suffix</div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵtextInterpolate2('prefix', v0, '-', v1, 'suffix');\n * ```\n * @returns itself, so that it may be chained.\n * @see textInterpolateV\n * @codeGenApi\n */\nfunction ɵɵtextInterpolate2(prefix, v0, i0, v1, suffix) {\n    var lView = getLView();\n    var interpolated = interpolation2(lView, prefix, v0, i0, v1, suffix);\n    if (interpolated !== NO_CHANGE) {\n        textBindingInternal(lView, getSelectedIndex(), interpolated);\n    }\n    return ɵɵtextInterpolate2;\n}\n/**\n *\n * Update text content with 3 bound values surrounded by other text.\n *\n * Used when a text node has 3 interpolated values in it:\n *\n * ```html\n * <div>prefix{{v0}}-{{v1}}-{{v2}}suffix</div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵtextInterpolate3(\n * 'prefix', v0, '-', v1, '-', v2, 'suffix');\n * ```\n * @returns itself, so that it may be chained.\n * @see textInterpolateV\n * @codeGenApi\n */\nfunction ɵɵtextInterpolate3(prefix, v0, i0, v1, i1, v2, suffix) {\n    var lView = getLView();\n    var interpolated = interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix);\n    if (interpolated !== NO_CHANGE) {\n        textBindingInternal(lView, getSelectedIndex(), interpolated);\n    }\n    return ɵɵtextInterpolate3;\n}\n/**\n *\n * Update text content with 4 bound values surrounded by other text.\n *\n * Used when a text node has 4 interpolated values in it:\n *\n * ```html\n * <div>prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}suffix</div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵtextInterpolate4(\n * 'prefix', v0, '-', v1, '-', v2, '-', v3, 'suffix');\n * ```\n * @returns itself, so that it may be chained.\n * @see ɵɵtextInterpolateV\n * @codeGenApi\n */\nfunction ɵɵtextInterpolate4(prefix, v0, i0, v1, i1, v2, i2, v3, suffix) {\n    var lView = getLView();\n    var interpolated = interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix);\n    if (interpolated !== NO_CHANGE) {\n        textBindingInternal(lView, getSelectedIndex(), interpolated);\n    }\n    return ɵɵtextInterpolate4;\n}\n/**\n *\n * Update text content with 5 bound values surrounded by other text.\n *\n * Used when a text node has 5 interpolated values in it:\n *\n * ```html\n * <div>prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}suffix</div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵtextInterpolate5(\n * 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, 'suffix');\n * ```\n * @returns itself, so that it may be chained.\n * @see textInterpolateV\n * @codeGenApi\n */\nfunction ɵɵtextInterpolate5(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix) {\n    var lView = getLView();\n    var interpolated = interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix);\n    if (interpolated !== NO_CHANGE) {\n        textBindingInternal(lView, getSelectedIndex(), interpolated);\n    }\n    return ɵɵtextInterpolate5;\n}\n/**\n *\n * Update text content with 6 bound values surrounded by other text.\n *\n * Used when a text node has 6 interpolated values in it:\n *\n * ```html\n * <div>prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}suffix</div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵtextInterpolate6(\n *    'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, 'suffix');\n * ```\n *\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change. @returns itself, so that it may be chained.\n * @see textInterpolateV\n * @codeGenApi\n */\nfunction ɵɵtextInterpolate6(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix) {\n    var lView = getLView();\n    var interpolated = interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix);\n    if (interpolated !== NO_CHANGE) {\n        textBindingInternal(lView, getSelectedIndex(), interpolated);\n    }\n    return ɵɵtextInterpolate6;\n}\n/**\n *\n * Update text content with 7 bound values surrounded by other text.\n *\n * Used when a text node has 7 interpolated values in it:\n *\n * ```html\n * <div>prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}suffix</div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵtextInterpolate7(\n *    'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, 'suffix');\n * ```\n * @returns itself, so that it may be chained.\n * @see textInterpolateV\n * @codeGenApi\n */\nfunction ɵɵtextInterpolate7(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix) {\n    var lView = getLView();\n    var interpolated = interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix);\n    if (interpolated !== NO_CHANGE) {\n        textBindingInternal(lView, getSelectedIndex(), interpolated);\n    }\n    return ɵɵtextInterpolate7;\n}\n/**\n *\n * Update text content with 8 bound values surrounded by other text.\n *\n * Used when a text node has 8 interpolated values in it:\n *\n * ```html\n * <div>prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}suffix</div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵtextInterpolate8(\n *  'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, 'suffix');\n * ```\n * @returns itself, so that it may be chained.\n * @see textInterpolateV\n * @codeGenApi\n */\nfunction ɵɵtextInterpolate8(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix) {\n    var lView = getLView();\n    var interpolated = interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix);\n    if (interpolated !== NO_CHANGE) {\n        textBindingInternal(lView, getSelectedIndex(), interpolated);\n    }\n    return ɵɵtextInterpolate8;\n}\n/**\n * Update text content with 9 or more bound values other surrounded by text.\n *\n * Used when the number of interpolated values exceeds 8.\n *\n * ```html\n * <div>prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}-{{v8}}-{{v9}}suffix</div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵtextInterpolateV(\n *  ['prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, '-', v9,\n *  'suffix']);\n * ```\n *.\n * @param values The a collection of values and the strings in between those values, beginning with\n * a string prefix and ending with a string suffix.\n * (e.g. `['prefix', value0, '-', value1, '-', value2, ..., value99, 'suffix']`)\n *\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵtextInterpolateV(values) {\n    var lView = getLView();\n    var interpolated = interpolationV(lView, values);\n    if (interpolated !== NO_CHANGE) {\n        textBindingInternal(lView, getSelectedIndex(), interpolated);\n    }\n    return ɵɵtextInterpolateV;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n *\n * Update an interpolated class on an element with single bound value surrounded by text.\n *\n * Used when the value passed to a property has 1 interpolated value in it:\n *\n * ```html\n * <div class=\"prefix{{v0}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵclassMapInterpolate1('prefix', v0, 'suffix');\n * ```\n *\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @codeGenApi\n */\nfunction ɵɵclassMapInterpolate1(prefix, v0, suffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation1(lView, prefix, v0, suffix);\n    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);\n}\n/**\n *\n * Update an interpolated class on an element with 2 bound values surrounded by text.\n *\n * Used when the value passed to a property has 2 interpolated values in it:\n *\n * ```html\n * <div class=\"prefix{{v0}}-{{v1}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵclassMapInterpolate2('prefix', v0, '-', v1, 'suffix');\n * ```\n *\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @codeGenApi\n */\nfunction ɵɵclassMapInterpolate2(prefix, v0, i0, v1, suffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation2(lView, prefix, v0, i0, v1, suffix);\n    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);\n}\n/**\n *\n * Update an interpolated class on an element with 3 bound values surrounded by text.\n *\n * Used when the value passed to a property has 3 interpolated values in it:\n *\n * ```html\n * <div class=\"prefix{{v0}}-{{v1}}-{{v2}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵclassMapInterpolate3(\n * 'prefix', v0, '-', v1, '-', v2, 'suffix');\n * ```\n *\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @codeGenApi\n */\nfunction ɵɵclassMapInterpolate3(prefix, v0, i0, v1, i1, v2, suffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix);\n    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);\n}\n/**\n *\n * Update an interpolated class on an element with 4 bound values surrounded by text.\n *\n * Used when the value passed to a property has 4 interpolated values in it:\n *\n * ```html\n * <div class=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵclassMapInterpolate4(\n * 'prefix', v0, '-', v1, '-', v2, '-', v3, 'suffix');\n * ```\n *\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @codeGenApi\n */\nfunction ɵɵclassMapInterpolate4(prefix, v0, i0, v1, i1, v2, i2, v3, suffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix);\n    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);\n}\n/**\n *\n * Update an interpolated class on an element with 5 bound values surrounded by text.\n *\n * Used when the value passed to a property has 5 interpolated values in it:\n *\n * ```html\n * <div class=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵclassMapInterpolate5(\n * 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, 'suffix');\n * ```\n *\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @codeGenApi\n */\nfunction ɵɵclassMapInterpolate5(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix);\n    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);\n}\n/**\n *\n * Update an interpolated class on an element with 6 bound values surrounded by text.\n *\n * Used when the value passed to a property has 6 interpolated values in it:\n *\n * ```html\n * <div class=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵclassMapInterpolate6(\n *    'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, 'suffix');\n * ```\n *\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @codeGenApi\n */\nfunction ɵɵclassMapInterpolate6(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix);\n    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);\n}\n/**\n *\n * Update an interpolated class on an element with 7 bound values surrounded by text.\n *\n * Used when the value passed to a property has 7 interpolated values in it:\n *\n * ```html\n * <div class=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵclassMapInterpolate7(\n *    'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, 'suffix');\n * ```\n *\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change.\n * @param i5 Static value used for concatenation only.\n * @param v6 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @codeGenApi\n */\nfunction ɵɵclassMapInterpolate7(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix);\n    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);\n}\n/**\n *\n * Update an interpolated class on an element with 8 bound values surrounded by text.\n *\n * Used when the value passed to a property has 8 interpolated values in it:\n *\n * ```html\n * <div class=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵclassMapInterpolate8(\n *  'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, 'suffix');\n * ```\n *\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change.\n * @param i5 Static value used for concatenation only.\n * @param v6 Value checked for change.\n * @param i6 Static value used for concatenation only.\n * @param v7 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @codeGenApi\n */\nfunction ɵɵclassMapInterpolate8(prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix);\n    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);\n}\n/**\n * Update an interpolated class on an element with 8 or more bound values surrounded by text.\n *\n * Used when the number of interpolated values exceeds 7.\n *\n * ```html\n * <div\n *  class=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}-{{v8}}-{{v9}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵclassMapInterpolateV(\n *  ['prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, '-', v9,\n *  'suffix']);\n * ```\n *.\n * @param values The a collection of values and the strings in-between those values, beginning with\n * a string prefix and ending with a string suffix.\n * (e.g. `['prefix', value0, '-', value1, '-', value2, ..., value99, 'suffix']`)\n * @codeGenApi\n */\nfunction ɵɵclassMapInterpolateV(values) {\n    var lView = getLView();\n    var interpolatedValue = interpolationV(lView, values);\n    checkStylingMap(keyValueArraySet, classStringParser, interpolatedValue, true);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n *\n * Update an interpolated style property on an element with single bound value surrounded by text.\n *\n * Used when the value passed to a property has 1 interpolated value in it:\n *\n * ```html\n * <div style.color=\"prefix{{v0}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵstylePropInterpolate1(0, 'prefix', v0, 'suffix');\n * ```\n *\n * @param styleIndex Index of style to update. This index value refers to the\n *        index of the style in the style bindings array that was passed into\n *        `styling`.\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵstylePropInterpolate1(prop, prefix, v0, suffix, valueSuffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation1(lView, prefix, v0, suffix);\n    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);\n    return ɵɵstylePropInterpolate1;\n}\n/**\n *\n * Update an interpolated style property on an element with 2 bound values surrounded by text.\n *\n * Used when the value passed to a property has 2 interpolated values in it:\n *\n * ```html\n * <div style.color=\"prefix{{v0}}-{{v1}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵstylePropInterpolate2(0, 'prefix', v0, '-', v1, 'suffix');\n * ```\n *\n * @param styleIndex Index of style to update. This index value refers to the\n *        index of the style in the style bindings array that was passed into\n *        `styling`.\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵstylePropInterpolate2(prop, prefix, v0, i0, v1, suffix, valueSuffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation2(lView, prefix, v0, i0, v1, suffix);\n    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);\n    return ɵɵstylePropInterpolate2;\n}\n/**\n *\n * Update an interpolated style property on an element with 3 bound values surrounded by text.\n *\n * Used when the value passed to a property has 3 interpolated values in it:\n *\n * ```html\n * <div style.color=\"prefix{{v0}}-{{v1}}-{{v2}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵstylePropInterpolate3(0, 'prefix', v0, '-', v1, '-', v2, 'suffix');\n * ```\n *\n * @param styleIndex Index of style to update. This index value refers to the\n *        index of the style in the style bindings array that was passed into\n *        `styling`.\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵstylePropInterpolate3(prop, prefix, v0, i0, v1, i1, v2, suffix, valueSuffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation3(lView, prefix, v0, i0, v1, i1, v2, suffix);\n    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);\n    return ɵɵstylePropInterpolate3;\n}\n/**\n *\n * Update an interpolated style property on an element with 4 bound values surrounded by text.\n *\n * Used when the value passed to a property has 4 interpolated values in it:\n *\n * ```html\n * <div style.color=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵstylePropInterpolate4(0, 'prefix', v0, '-', v1, '-', v2, '-', v3, 'suffix');\n * ```\n *\n * @param styleIndex Index of style to update. This index value refers to the\n *        index of the style in the style bindings array that was passed into\n *        `styling`.\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵstylePropInterpolate4(prop, prefix, v0, i0, v1, i1, v2, i2, v3, suffix, valueSuffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation4(lView, prefix, v0, i0, v1, i1, v2, i2, v3, suffix);\n    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);\n    return ɵɵstylePropInterpolate4;\n}\n/**\n *\n * Update an interpolated style property on an element with 5 bound values surrounded by text.\n *\n * Used when the value passed to a property has 5 interpolated values in it:\n *\n * ```html\n * <div style.color=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵstylePropInterpolate5(0, 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, 'suffix');\n * ```\n *\n * @param styleIndex Index of style to update. This index value refers to the\n *        index of the style in the style bindings array that was passed into\n *        `styling`.\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵstylePropInterpolate5(prop, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix, valueSuffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation5(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, suffix);\n    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);\n    return ɵɵstylePropInterpolate5;\n}\n/**\n *\n * Update an interpolated style property on an element with 6 bound values surrounded by text.\n *\n * Used when the value passed to a property has 6 interpolated values in it:\n *\n * ```html\n * <div style.color=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵstylePropInterpolate6(0, 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, 'suffix');\n * ```\n *\n * @param styleIndex Index of style to update. This index value refers to the\n *        index of the style in the style bindings array that was passed into\n *        `styling`.\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵstylePropInterpolate6(prop, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix, valueSuffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation6(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, suffix);\n    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);\n    return ɵɵstylePropInterpolate6;\n}\n/**\n *\n * Update an interpolated style property on an element with 7 bound values surrounded by text.\n *\n * Used when the value passed to a property has 7 interpolated values in it:\n *\n * ```html\n * <div style.color=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵstylePropInterpolate7(\n *    0, 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, 'suffix');\n * ```\n *\n * @param styleIndex Index of style to update. This index value refers to the\n *        index of the style in the style bindings array that was passed into\n *        `styling`.\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change.\n * @param i5 Static value used for concatenation only.\n * @param v6 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵstylePropInterpolate7(prop, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix, valueSuffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation7(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, suffix);\n    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);\n    return ɵɵstylePropInterpolate7;\n}\n/**\n *\n * Update an interpolated style property on an element with 8 bound values surrounded by text.\n *\n * Used when the value passed to a property has 8 interpolated values in it:\n *\n * ```html\n * <div style.color=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}suffix\"></div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵstylePropInterpolate8(0, 'prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6,\n * '-', v7, 'suffix');\n * ```\n *\n * @param styleIndex Index of style to update. This index value refers to the\n *        index of the style in the style bindings array that was passed into\n *        `styling`.\n * @param prefix Static value used for concatenation only.\n * @param v0 Value checked for change.\n * @param i0 Static value used for concatenation only.\n * @param v1 Value checked for change.\n * @param i1 Static value used for concatenation only.\n * @param v2 Value checked for change.\n * @param i2 Static value used for concatenation only.\n * @param v3 Value checked for change.\n * @param i3 Static value used for concatenation only.\n * @param v4 Value checked for change.\n * @param i4 Static value used for concatenation only.\n * @param v5 Value checked for change.\n * @param i5 Static value used for concatenation only.\n * @param v6 Value checked for change.\n * @param i6 Static value used for concatenation only.\n * @param v7 Value checked for change.\n * @param suffix Static value used for concatenation only.\n * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵstylePropInterpolate8(prop, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix, valueSuffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolation8(lView, prefix, v0, i0, v1, i1, v2, i2, v3, i3, v4, i4, v5, i5, v6, i6, v7, suffix);\n    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);\n    return ɵɵstylePropInterpolate8;\n}\n/**\n * Update an interpolated style property on an element with 8 or more bound values surrounded by\n * text.\n *\n * Used when the number of interpolated values exceeds 7.\n *\n * ```html\n * <div\n *  style.color=\"prefix{{v0}}-{{v1}}-{{v2}}-{{v3}}-{{v4}}-{{v5}}-{{v6}}-{{v7}}-{{v8}}-{{v9}}suffix\">\n * </div>\n * ```\n *\n * Its compiled representation is:\n *\n * ```ts\n * ɵɵstylePropInterpolateV(\n *  0, ['prefix', v0, '-', v1, '-', v2, '-', v3, '-', v4, '-', v5, '-', v6, '-', v7, '-', v9,\n *  'suffix']);\n * ```\n *\n * @param styleIndex Index of style to update. This index value refers to the\n *        index of the style in the style bindings array that was passed into\n *        `styling`..\n * @param values The a collection of values and the strings in-between those values, beginning with\n * a string prefix and ending with a string suffix.\n * (e.g. `['prefix', value0, '-', value1, '-', value2, ..., value99, 'suffix']`)\n * @param valueSuffix Optional suffix. Used with scalar values to add unit such as `px`.\n * @returns itself, so that it may be chained.\n * @codeGenApi\n */\nfunction ɵɵstylePropInterpolateV(prop, values, valueSuffix) {\n    var lView = getLView();\n    var interpolatedValue = interpolationV(lView, values);\n    checkStylingProperty(prop, interpolatedValue, valueSuffix, false);\n    return ɵɵstylePropInterpolateV;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Update a property on a host element. Only applies to native node properties, not inputs.\n *\n * Operates on the element selected by index via the {@link select} instruction.\n *\n * @param propName Name of property. Because it is going to DOM, this is not subject to\n *        renaming as part of minification.\n * @param value New value to write.\n * @param sanitizer An optional function used to sanitize the value.\n * @returns This function returns itself so that it may be chained\n * (e.g. `property('name', ctx.name)('title', ctx.title)`)\n *\n * @codeGenApi\n */\nfunction ɵɵhostProperty(propName, value, sanitizer) {\n    var lView = getLView();\n    var bindingIndex = nextBindingIndex();\n    if (bindingUpdated(lView, bindingIndex, value)) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementPropertyInternal(tView, lView, nodeIndex, propName, value, sanitizer, true);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, propName, bindingIndex);\n    }\n    return ɵɵhostProperty;\n}\n/**\n * Updates a synthetic host binding (e.g. `[@foo]`) on a component.\n *\n * This instruction is for compatibility purposes and is designed to ensure that a\n * synthetic host binding (e.g. `@HostBinding('@foo')`) properly gets rendered in\n * the component's renderer. Normally all host bindings are evaluated with the parent\n * component's renderer, but, in the case of animation @triggers, they need to be\n * evaluated with the sub component's renderer (because that's where the animation\n * triggers are defined).\n *\n * Do not use this instruction as a replacement for `elementProperty`. This instruction\n * only exists to ensure compatibility with the ViewEngine's host binding behavior.\n *\n * @param index The index of the element to update in the data array\n * @param propName Name of property. Because it is going to DOM, this is not subject to\n *        renaming as part of minification.\n * @param value New value to write.\n * @param sanitizer An optional function used to sanitize the value.\n *\n * @codeGenApi\n */\nfunction ɵɵupdateSyntheticHostBinding(propName, value, sanitizer) {\n    var lView = getLView();\n    var bindingIndex = nextBindingIndex();\n    if (bindingUpdated(lView, bindingIndex, value)) {\n        var nodeIndex = getSelectedIndex();\n        var tView = getTView();\n        elementPropertyInternal(tView, lView, nodeIndex, propName, value, sanitizer, true, loadComponentRenderer);\n        ngDevMode && storePropertyBindingMetadata(tView.data, nodeIndex, propName, bindingIndex);\n    }\n    return ɵɵupdateSyntheticHostBinding;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Retrieves the component instance associated with a given DOM element.\n *\n * @usageNotes\n * Given the following DOM structure:\n * ```html\n * <my-app>\n *   <div>\n *     <child-comp></child-comp>\n *   </div>\n * </my-app>\n * ```\n * Calling `getComponent` on `<child-comp>` will return the instance of `ChildComponent`\n * associated with this DOM element.\n *\n * Calling the function on `<my-app>` will return the `MyApp` instance.\n *\n *\n * @param element DOM element from which the component should be retrieved.\n * @returns Component instance associated with the element or `null` if there\n *    is no component associated with it.\n *\n * @publicApi\n * @globalApi ng\n */\nfunction getComponent(element) {\n    assertDomElement(element);\n    var context = loadLContext(element, false);\n    if (context === null)\n        return null;\n    if (context.component === undefined) {\n        context.component = getComponentAtNodeIndex(context.nodeIndex, context.lView);\n    }\n    return context.component;\n}\n/**\n * If inside an embedded view (e.g. `*ngIf` or `*ngFor`), retrieves the context of the embedded\n * view that the element is part of. Otherwise retrieves the instance of the component whose view\n * owns the element (in this case, the result is the same as calling `getOwningComponent`).\n *\n * @param element Element for which to get the surrounding component instance.\n * @returns Instance of the component that is around the element or null if the element isn't\n *    inside any component.\n *\n * @publicApi\n * @globalApi ng\n */\nfunction getContext(element) {\n    assertDomElement(element);\n    var context = loadLContext(element, false);\n    return context === null ? null : context.lView[CONTEXT];\n}\n/**\n * Retrieves the component instance whose view contains the DOM element.\n *\n * For example, if `<child-comp>` is used in the template of `<app-comp>`\n * (i.e. a `ViewChild` of `<app-comp>`), calling `getOwningComponent` on `<child-comp>`\n * would return `<app-comp>`.\n *\n * @param elementOrDir DOM element, component or directive instance\n *    for which to retrieve the root components.\n * @returns Component instance whose view owns the DOM element or null if the element is not\n *    part of a component view.\n *\n * @publicApi\n * @globalApi ng\n */\nfunction getOwningComponent(elementOrDir) {\n    var context = loadLContext(elementOrDir, false);\n    if (context === null)\n        return null;\n    var lView = context.lView;\n    var parent;\n    ngDevMode && assertLView(lView);\n    while (lView[HOST] === null && (parent = getLViewParent(lView))) {\n        // As long as lView[HOST] is null we know we are part of sub-template such as `*ngIf`\n        lView = parent;\n    }\n    return lView[FLAGS] & 512 /* IsRoot */ ? null : lView[CONTEXT];\n}\n/**\n * Retrieves all root components associated with a DOM element, directive or component instance.\n * Root components are those which have been bootstrapped by Angular.\n *\n * @param elementOrDir DOM element, component or directive instance\n *    for which to retrieve the root components.\n * @returns Root components associated with the target object.\n *\n * @publicApi\n * @globalApi ng\n */\nfunction getRootComponents(elementOrDir) {\n    return __spread(getRootContext(elementOrDir).components);\n}\n/**\n * Retrieves an `Injector` associated with an element, component or directive instance.\n *\n * @param elementOrDir DOM element, component or directive instance for which to\n *    retrieve the injector.\n * @returns Injector associated with the element, component or directive instance.\n *\n * @publicApi\n * @globalApi ng\n */\nfunction getInjector(elementOrDir) {\n    var context = loadLContext(elementOrDir, false);\n    if (context === null)\n        return Injector.NULL;\n    var tNode = context.lView[TVIEW].data[context.nodeIndex];\n    return new NodeInjector(tNode, context.lView);\n}\n/**\n * Retrieve a set of injection tokens at a given DOM node.\n *\n * @param element Element for which the injection tokens should be retrieved.\n */\nfunction getInjectionTokens(element) {\n    var context = loadLContext(element, false);\n    if (context === null)\n        return [];\n    var lView = context.lView;\n    var tView = lView[TVIEW];\n    var tNode = tView.data[context.nodeIndex];\n    var providerTokens = [];\n    var startIndex = tNode.providerIndexes & 65535 /* ProvidersStartIndexMask */;\n    var endIndex = tNode.directiveEnd;\n    for (var i = startIndex; i < endIndex; i++) {\n        var value = tView.data[i];\n        if (isDirectiveDefHack(value)) {\n            // The fact that we sometimes store Type and sometimes DirectiveDef in this location is a\n            // design flaw.  We should always store same type so that we can be monomorphic. The issue\n            // is that for Components/Directives we store the def instead the type. The correct behavior\n            // is that we should always be storing injectable type in this location.\n            value = value.type;\n        }\n        providerTokens.push(value);\n    }\n    return providerTokens;\n}\n/**\n * Retrieves directive instances associated with a given DOM element. Does not include\n * component instances.\n *\n * @usageNotes\n * Given the following DOM structure:\n * ```\n * <my-app>\n *   <button my-button></button>\n *   <my-comp></my-comp>\n * </my-app>\n * ```\n * Calling `getDirectives` on `<button>` will return an array with an instance of the `MyButton`\n * directive that is associated with the DOM element.\n *\n * Calling `getDirectives` on `<my-comp>` will return an empty array.\n *\n * @param element DOM element for which to get the directives.\n * @returns Array of directives associated with the element.\n *\n * @publicApi\n * @globalApi ng\n */\nfunction getDirectives(element) {\n    var context = loadLContext(element);\n    if (context.directives === undefined) {\n        context.directives = getDirectivesAtNodeIndex(context.nodeIndex, context.lView, false);\n    }\n    // The `directives` in this case are a named array called `LComponentView`. Clone the\n    // result so we don't expose an internal data structure in the user's console.\n    return context.directives === null ? [] : __spread(context.directives);\n}\nfunction loadLContext(target, throwOnNotFound) {\n    if (throwOnNotFound === void 0) { throwOnNotFound = true; }\n    var context = getLContext(target);\n    if (!context && throwOnNotFound) {\n        throw new Error(ngDevMode ? \"Unable to find context associated with \" + stringifyForError(target) :\n            'Invalid ng target');\n    }\n    return context;\n}\n/**\n * Retrieve map of local references.\n *\n * The references are retrieved as a map of local reference name to element or directive instance.\n *\n * @param target DOM element, component or directive instance for which to retrieve\n *    the local references.\n */\nfunction getLocalRefs(target) {\n    var context = loadLContext(target, false);\n    if (context === null)\n        return {};\n    if (context.localRefs === undefined) {\n        context.localRefs = discoverLocalRefs(context.lView, context.nodeIndex);\n    }\n    return context.localRefs || {};\n}\n/**\n * Retrieves the host element of a component or directive instance.\n * The host element is the DOM element that matched the selector of the directive.\n *\n * @param componentOrDirective Component or directive instance for which the host\n *     element should be retrieved.\n * @returns Host element of the target.\n *\n * @publicApi\n * @globalApi ng\n */\nfunction getHostElement(componentOrDirective) {\n    return getLContext(componentOrDirective).native;\n}\n/**\n * Retrieves the rendered text for a given component.\n *\n * This function retrieves the host element of a component and\n * and then returns the `textContent` for that element. This implies\n * that the text returned will include re-projected content of\n * the component as well.\n *\n * @param component The component to return the content text for.\n */\nfunction getRenderedText(component) {\n    var hostElement = getHostElement(component);\n    return hostElement.textContent || '';\n}\nfunction loadLContextFromNode(node) {\n    if (!(node instanceof Node))\n        throw new Error('Expecting instance of DOM Element');\n    return loadLContext(node);\n}\n/**\n * Retrieves a list of event listeners associated with a DOM element. The list does include host\n * listeners, but it does not include event listeners defined outside of the Angular context\n * (e.g. through `addEventListener`).\n *\n * @usageNotes\n * Given the following DOM structure:\n * ```\n * <my-app>\n *   <div (click)=\"doSomething()\"></div>\n * </my-app>\n *\n * ```\n * Calling `getListeners` on `<div>` will return an object that looks as follows:\n * ```\n * {\n *   name: 'click',\n *   element: <div>,\n *   callback: () => doSomething(),\n *   useCapture: false\n * }\n * ```\n *\n * @param element Element for which the DOM listeners should be retrieved.\n * @returns Array of event listeners on the DOM element.\n *\n * @publicApi\n * @globalApi ng\n */\nfunction getListeners(element) {\n    assertDomElement(element);\n    var lContext = loadLContext(element, false);\n    if (lContext === null)\n        return [];\n    var lView = lContext.lView;\n    var tView = lView[TVIEW];\n    var lCleanup = lView[CLEANUP];\n    var tCleanup = tView.cleanup;\n    var listeners = [];\n    if (tCleanup && lCleanup) {\n        for (var i = 0; i < tCleanup.length;) {\n            var firstParam = tCleanup[i++];\n            var secondParam = tCleanup[i++];\n            if (typeof firstParam === 'string') {\n                var name_1 = firstParam;\n                var listenerElement = unwrapRNode(lView[secondParam]);\n                var callback = lCleanup[tCleanup[i++]];\n                var useCaptureOrIndx = tCleanup[i++];\n                // if useCaptureOrIndx is boolean then report it as is.\n                // if useCaptureOrIndx is positive number then it in unsubscribe method\n                // if useCaptureOrIndx is negative number then it is a Subscription\n                var type = (typeof useCaptureOrIndx === 'boolean' || useCaptureOrIndx >= 0) ? 'dom' : 'output';\n                var useCapture = typeof useCaptureOrIndx === 'boolean' ? useCaptureOrIndx : false;\n                if (element == listenerElement) {\n                    listeners.push({ element: element, name: name_1, callback: callback, useCapture: useCapture, type: type });\n                }\n            }\n        }\n    }\n    listeners.sort(sortListeners);\n    return listeners;\n}\nfunction sortListeners(a, b) {\n    if (a.name == b.name)\n        return 0;\n    return a.name < b.name ? -1 : 1;\n}\n/**\n * This function should not exist because it is megamorphic and only mostly correct.\n *\n * See call site for more info.\n */\nfunction isDirectiveDefHack(obj) {\n    return obj.type !== undefined && obj.template !== undefined && obj.declaredInputs !== undefined;\n}\n/**\n * Returns the attached `DebugNode` instance for an element in the DOM.\n *\n * @param element DOM element which is owned by an existing component's view.\n */\nfunction getDebugNode(element) {\n    var debugNode = null;\n    var lContext = loadLContextFromNode(element);\n    var lView = lContext.lView;\n    var nodeIndex = lContext.nodeIndex;\n    if (nodeIndex !== -1) {\n        var valueInLView = lView[nodeIndex];\n        // this means that value in the lView is a component with its own\n        // data. In this situation the TNode is not accessed at the same spot.\n        var tNode = isLView(valueInLView) ? valueInLView[T_HOST] :\n            getTNode(lView[TVIEW], nodeIndex - HEADER_OFFSET);\n        debugNode = buildDebugNode(tNode, lView, nodeIndex);\n    }\n    return debugNode;\n}\n/**\n * Retrieve the component `LView` from component/element.\n *\n * NOTE: `LView` is a private and should not be leaked outside.\n *       Don't export this method to `ng.*` on window.\n *\n * @param target DOM element or component instance for which to retrieve the LView.\n */\nfunction getComponentLView(target) {\n    var lContext = loadLContext(target);\n    var nodeIndx = lContext.nodeIndex;\n    var lView = lContext.lView;\n    var componentLView = lView[nodeIndx];\n    ngDevMode && assertLView(componentLView);\n    return componentLView;\n}\n/** Asserts that a value is a DOM Element. */\nfunction assertDomElement(value) {\n    if (typeof Element !== 'undefined' && !(value instanceof Element)) {\n        throw new Error('Expecting instance of DOM Element');\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Marks a component for check (in case of OnPush components) and synchronously\n * performs change detection on the application this component belongs to.\n *\n * @param component Component to {@link ChangeDetectorRef#markForCheck mark for check}.\n *\n * @publicApi\n * @globalApi ng\n */\nfunction applyChanges(component) {\n    markDirty(component);\n    getRootComponents(component).forEach(function (rootComponent) { return detectChanges(rootComponent); });\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * This file introduces series of globally accessible debug tools\n * to allow for the Angular debugging story to function.\n *\n * To see this in action run the following command:\n *\n *   bazel run --config=ivy\n *   //packages/core/test/bundling/todo:devserver\n *\n *  Then load `localhost:5432` and start using the console tools.\n */\n/**\n * This value reflects the property on the window where the dev\n * tools are patched (window.ng).\n * */\nvar GLOBAL_PUBLISH_EXPANDO_KEY = 'ng';\nvar _published = false;\n/**\n * Publishes a collection of default debug tools onto`window.ng`.\n *\n * These functions are available globally when Angular is in development\n * mode and are automatically stripped away from prod mode is on.\n */\nfunction publishDefaultGlobalUtils() {\n    if (!_published) {\n        _published = true;\n        publishGlobalUtil('getComponent', getComponent);\n        publishGlobalUtil('getContext', getContext);\n        publishGlobalUtil('getListeners', getListeners);\n        publishGlobalUtil('getOwningComponent', getOwningComponent);\n        publishGlobalUtil('getHostElement', getHostElement);\n        publishGlobalUtil('getInjector', getInjector);\n        publishGlobalUtil('getRootComponents', getRootComponents);\n        publishGlobalUtil('getDirectives', getDirectives);\n        publishGlobalUtil('applyChanges', applyChanges);\n    }\n}\n/**\n * Publishes the given function to `window.ng` so that it can be\n * used from the browser console when an application is not in production.\n */\nfunction publishGlobalUtil(name, fn) {\n    if (typeof COMPILED === 'undefined' || !COMPILED) {\n        // Note: we can't export `ng` when using closure enhanced optimization as:\n        // - closure declares globals itself for minified names, which sometimes clobber our `ng` global\n        // - we can't declare a closure extern as the namespace `ng` is already used within Google\n        //   for typings for AngularJS (via `goog.provide('ng....')`).\n        var w = _global;\n        ngDevMode && assertDefined(fn, 'function not defined');\n        if (w) {\n            var container = w[GLOBAL_PUBLISH_EXPANDO_KEY];\n            if (!container) {\n                container = w[GLOBAL_PUBLISH_EXPANDO_KEY] = {};\n            }\n            container[name] = fn;\n        }\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ɵ0$b = function (token, notFoundValue) {\n    throw new Error('NullInjector: Not found: ' + stringifyForError(token));\n};\n// TODO: A hack to not pull in the NullInjector from @angular/core.\nvar NULL_INJECTOR$1 = {\n    get: ɵ0$b\n};\n/**\n * Bootstraps a Component into an existing host element and returns an instance\n * of the component.\n *\n * Use this function to bootstrap a component into the DOM tree. Each invocation\n * of this function will create a separate tree of components, injectors and\n * change detection cycles and lifetimes. To dynamically insert a new component\n * into an existing tree such that it shares the same injection, change detection\n * and object lifetime, use {@link ViewContainer#createComponent}.\n *\n * @param componentType Component to bootstrap\n * @param options Optional parameters which control bootstrapping\n */\nfunction renderComponent$1(componentType /* Type as workaround for: Microsoft/TypeScript/issues/4881 */, opts) {\n    if (opts === void 0) { opts = {}; }\n    ngDevMode && publishDefaultGlobalUtils();\n    ngDevMode && assertComponentType(componentType);\n    var rendererFactory = opts.rendererFactory || domRendererFactory3;\n    var sanitizer = opts.sanitizer || null;\n    var componentDef = getComponentDef(componentType);\n    if (componentDef.type != componentType)\n        componentDef.type = componentType;\n    // The first index of the first selector is the tag name.\n    var componentTag = componentDef.selectors[0][0];\n    var hostRenderer = rendererFactory.createRenderer(null, null);\n    var hostRNode = locateHostElement(hostRenderer, opts.host || componentTag, componentDef.encapsulation);\n    var rootFlags = componentDef.onPush ? 64 /* Dirty */ | 512 /* IsRoot */ :\n        16 /* CheckAlways */ | 512 /* IsRoot */;\n    var rootContext = createRootContext(opts.scheduler, opts.playerHandler);\n    var renderer = rendererFactory.createRenderer(hostRNode, componentDef);\n    var rootTView = createTView(0 /* Root */, -1, null, 1, 0, null, null, null, null, null);\n    var rootView = createLView(null, rootTView, rootContext, rootFlags, null, null, rendererFactory, renderer, undefined, opts.injector || null);\n    enterView(rootView, null);\n    var component;\n    try {\n        if (rendererFactory.begin)\n            rendererFactory.begin();\n        var componentView = createRootComponentView(hostRNode, componentDef, rootView, rendererFactory, renderer, null, sanitizer);\n        component = createRootComponent(componentView, componentDef, rootView, rootContext, opts.hostFeatures || null);\n        // create mode pass\n        renderView(rootTView, rootView, null);\n        // update mode pass\n        refreshView(rootTView, rootView, null, null);\n    }\n    finally {\n        leaveView();\n        if (rendererFactory.end)\n            rendererFactory.end();\n    }\n    return component;\n}\n/**\n * Creates the root component view and the root component node.\n *\n * @param rNode Render host element.\n * @param def ComponentDef\n * @param rootView The parent view where the host node is stored\n * @param hostRenderer The current renderer\n * @param sanitizer The sanitizer, if provided\n *\n * @returns Component view created\n */\nfunction createRootComponentView(rNode, def, rootView, rendererFactory, hostRenderer, addVersion, sanitizer) {\n    var tView = rootView[TVIEW];\n    ngDevMode && assertDataInRange(rootView, 0 + HEADER_OFFSET);\n    rootView[0 + HEADER_OFFSET] = rNode;\n    var tNode = getOrCreateTNode(tView, null, 0, 3 /* Element */, null, null);\n    var mergedAttrs = tNode.mergedAttrs = def.hostAttrs;\n    if (mergedAttrs !== null) {\n        computeStaticStyling(tNode, mergedAttrs);\n        if (rNode !== null) {\n            setUpAttributes(hostRenderer, rNode, mergedAttrs);\n            if (tNode.classes !== null) {\n                writeDirectClass(hostRenderer, rNode, tNode.classes);\n            }\n            if (tNode.styles !== null) {\n                writeDirectStyle(hostRenderer, rNode, tNode.styles);\n            }\n        }\n    }\n    var viewRenderer = rendererFactory.createRenderer(rNode, def);\n    if (rNode !== null && addVersion) {\n        ngDevMode && ngDevMode.rendererSetAttribute++;\n        isProceduralRenderer(hostRenderer) ?\n            hostRenderer.setAttribute(rNode, 'ng-version', addVersion) :\n            rNode.setAttribute('ng-version', addVersion);\n    }\n    var componentView = createLView(rootView, getOrCreateTComponentView(def), null, def.onPush ? 64 /* Dirty */ : 16 /* CheckAlways */, rootView[HEADER_OFFSET], tNode, rendererFactory, viewRenderer, sanitizer);\n    if (tView.firstCreatePass) {\n        diPublicInInjector(getOrCreateNodeInjectorForNode(tNode, rootView), tView, def.type);\n        markAsComponentHost(tView, tNode);\n        initTNodeFlags(tNode, rootView.length, 1);\n    }\n    addToViewTree(rootView, componentView);\n    // Store component view at node index, with node as the HOST\n    return rootView[HEADER_OFFSET] = componentView;\n}\n/**\n * Creates a root component and sets it up with features and host bindings. Shared by\n * renderComponent() and ViewContainerRef.createComponent().\n */\nfunction createRootComponent(componentView, componentDef, rootLView, rootContext, hostFeatures) {\n    var tView = rootLView[TVIEW];\n    // Create directive instance with factory() and store at next index in viewData\n    var component = instantiateRootComponent(tView, rootLView, componentDef);\n    rootContext.components.push(component);\n    componentView[CONTEXT] = component;\n    hostFeatures && hostFeatures.forEach(function (feature) { return feature(component, componentDef); });\n    // We want to generate an empty QueryList for root content queries for backwards\n    // compatibility with ViewEngine.\n    if (componentDef.contentQueries) {\n        componentDef.contentQueries(1 /* Create */, component, rootLView.length - 1);\n    }\n    var rootTNode = getPreviousOrParentTNode();\n    if (tView.firstCreatePass &&\n        (componentDef.hostBindings !== null || componentDef.hostAttrs !== null)) {\n        var elementIndex = rootTNode.index - HEADER_OFFSET;\n        setSelectedIndex(elementIndex);\n        var rootTView = rootLView[TVIEW];\n        addHostBindingsToExpandoInstructions(rootTView, componentDef);\n        growHostVarsSpace(rootTView, rootLView, componentDef.hostVars);\n        invokeHostBindingsInCreationMode(componentDef, component);\n    }\n    return component;\n}\nfunction createRootContext(scheduler, playerHandler) {\n    return {\n        components: [],\n        scheduler: scheduler || defaultScheduler,\n        clean: CLEAN_PROMISE,\n        playerHandler: playerHandler || null,\n        flags: 0 /* Empty */\n    };\n}\n/**\n * Used to enable lifecycle hooks on the root component.\n *\n * Include this feature when calling `renderComponent` if the root component\n * you are rendering has lifecycle hooks defined. Otherwise, the hooks won't\n * be called properly.\n *\n * Example:\n *\n * ```\n * renderComponent(AppComponent, {hostFeatures: [LifecycleHooksFeature]});\n * ```\n */\nfunction LifecycleHooksFeature(component, def) {\n    var rootTView = readPatchedLView(component)[TVIEW];\n    var dirIndex = rootTView.data.length - 1;\n    // TODO(misko): replace `as TNode` with createTNode call. (needs refactoring to lose dep on\n    // LNode).\n    registerPostOrderHooks(rootTView, { directiveStart: dirIndex, directiveEnd: dirIndex + 1 });\n}\n/**\n * Wait on component until it is rendered.\n *\n * This function returns a `Promise` which is resolved when the component's\n * change detection is executed. This is determined by finding the scheduler\n * associated with the `component`'s render tree and waiting until the scheduler\n * flushes. If nothing is scheduled, the function returns a resolved promise.\n *\n * Example:\n * ```\n * await whenRendered(myComponent);\n * ```\n *\n * @param component Component to wait upon\n * @returns Promise which resolves when the component is rendered.\n */\nfunction whenRendered(component) {\n    return getRootContext(component).clean;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction getSuperType(type) {\n    return Object.getPrototypeOf(type.prototype).constructor;\n}\n/**\n * Merges the definition from a super class to a sub class.\n * @param definition The definition that is a SubClass of another directive of component\n *\n * @codeGenApi\n */\nfunction ɵɵInheritDefinitionFeature(definition) {\n    var superType = getSuperType(definition.type);\n    var shouldInheritFields = true;\n    var inheritanceChain = [definition];\n    while (superType) {\n        var superDef = undefined;\n        if (isComponentDef(definition)) {\n            // Don't use getComponentDef/getDirectiveDef. This logic relies on inheritance.\n            superDef = superType.ɵcmp || superType.ɵdir;\n        }\n        else {\n            if (superType.ɵcmp) {\n                throw new Error('Directives cannot inherit Components');\n            }\n            // Don't use getComponentDef/getDirectiveDef. This logic relies on inheritance.\n            superDef = superType.ɵdir;\n        }\n        if (superDef) {\n            if (shouldInheritFields) {\n                inheritanceChain.push(superDef);\n                // Some fields in the definition may be empty, if there were no values to put in them that\n                // would've justified object creation. Unwrap them if necessary.\n                var writeableDef = definition;\n                writeableDef.inputs = maybeUnwrapEmpty(definition.inputs);\n                writeableDef.declaredInputs = maybeUnwrapEmpty(definition.declaredInputs);\n                writeableDef.outputs = maybeUnwrapEmpty(definition.outputs);\n                // Merge hostBindings\n                var superHostBindings = superDef.hostBindings;\n                superHostBindings && inheritHostBindings(definition, superHostBindings);\n                // Merge queries\n                var superViewQuery = superDef.viewQuery;\n                var superContentQueries = superDef.contentQueries;\n                superViewQuery && inheritViewQuery(definition, superViewQuery);\n                superContentQueries && inheritContentQueries(definition, superContentQueries);\n                // Merge inputs and outputs\n                fillProperties(definition.inputs, superDef.inputs);\n                fillProperties(definition.declaredInputs, superDef.declaredInputs);\n                fillProperties(definition.outputs, superDef.outputs);\n                // Inherit hooks\n                // Assume super class inheritance feature has already run.\n                writeableDef.afterContentChecked =\n                    writeableDef.afterContentChecked || superDef.afterContentChecked;\n                writeableDef.afterContentInit = definition.afterContentInit || superDef.afterContentInit;\n                writeableDef.afterViewChecked = definition.afterViewChecked || superDef.afterViewChecked;\n                writeableDef.afterViewInit = definition.afterViewInit || superDef.afterViewInit;\n                writeableDef.doCheck = definition.doCheck || superDef.doCheck;\n                writeableDef.onDestroy = definition.onDestroy || superDef.onDestroy;\n                writeableDef.onInit = definition.onInit || superDef.onInit;\n            }\n            // Run parent features\n            var features = superDef.features;\n            if (features) {\n                for (var i = 0; i < features.length; i++) {\n                    var feature = features[i];\n                    if (feature && feature.ngInherit) {\n                        feature(definition);\n                    }\n                    // If `InheritDefinitionFeature` is a part of the current `superDef`, it means that this\n                    // def already has all the necessary information inherited from its super class(es), so we\n                    // can stop merging fields from super classes. However we need to iterate through the\n                    // prototype chain to look for classes that might contain other \"features\" (like\n                    // NgOnChanges), which we should invoke for the original `definition`. We set the\n                    // `shouldInheritFields` flag to indicate that, essentially skipping fields inheritance\n                    // logic and only invoking functions from the \"features\" list.\n                    if (feature === ɵɵInheritDefinitionFeature) {\n                        shouldInheritFields = false;\n                    }\n                }\n            }\n        }\n        superType = Object.getPrototypeOf(superType);\n    }\n    mergeHostAttrsAcrossInheritance(inheritanceChain);\n}\n/**\n * Merge the `hostAttrs` and `hostVars` from the inherited parent to the base class.\n *\n * @param inheritanceChain A list of `WritableDefs` starting at the top most type and listing\n * sub-types in order. For each type take the `hostAttrs` and `hostVars` and merge it with the child\n * type.\n */\nfunction mergeHostAttrsAcrossInheritance(inheritanceChain) {\n    var hostVars = 0;\n    var hostAttrs = null;\n    // We process the inheritance order from the base to the leaves here.\n    for (var i = inheritanceChain.length - 1; i >= 0; i--) {\n        var def = inheritanceChain[i];\n        // For each `hostVars`, we need to add the superclass amount.\n        def.hostVars = (hostVars += def.hostVars);\n        // for each `hostAttrs` we need to merge it with superclass.\n        def.hostAttrs =\n            mergeHostAttrs(def.hostAttrs, hostAttrs = mergeHostAttrs(hostAttrs, def.hostAttrs));\n    }\n}\nfunction maybeUnwrapEmpty(value) {\n    if (value === EMPTY_OBJ) {\n        return {};\n    }\n    else if (value === EMPTY_ARRAY) {\n        return [];\n    }\n    else {\n        return value;\n    }\n}\nfunction inheritViewQuery(definition, superViewQuery) {\n    var prevViewQuery = definition.viewQuery;\n    if (prevViewQuery) {\n        definition.viewQuery = function (rf, ctx) {\n            superViewQuery(rf, ctx);\n            prevViewQuery(rf, ctx);\n        };\n    }\n    else {\n        definition.viewQuery = superViewQuery;\n    }\n}\nfunction inheritContentQueries(definition, superContentQueries) {\n    var prevContentQueries = definition.contentQueries;\n    if (prevContentQueries) {\n        definition.contentQueries = function (rf, ctx, directiveIndex) {\n            superContentQueries(rf, ctx, directiveIndex);\n            prevContentQueries(rf, ctx, directiveIndex);\n        };\n    }\n    else {\n        definition.contentQueries = superContentQueries;\n    }\n}\nfunction inheritHostBindings(definition, superHostBindings) {\n    var prevHostBindings = definition.hostBindings;\n    if (prevHostBindings) {\n        definition.hostBindings = function (rf, ctx) {\n            superHostBindings(rf, ctx);\n            prevHostBindings(rf, ctx);\n        };\n    }\n    else {\n        definition.hostBindings = superHostBindings;\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Fields which exist on either directive or component definitions, and need to be copied from\n * parent to child classes by the `ɵɵCopyDefinitionFeature`.\n */\nvar COPY_DIRECTIVE_FIELDS = [\n    // The child class should use the providers of its parent.\n    'providersResolver',\n];\n/**\n * Fields which exist only on component definitions, and need to be copied from parent to child\n * classes by the `ɵɵCopyDefinitionFeature`.\n *\n * The type here allows any field of `ComponentDef` which is not also a property of `DirectiveDef`,\n * since those should go in `COPY_DIRECTIVE_FIELDS` above.\n */\nvar COPY_COMPONENT_FIELDS = [\n    // The child class should use the template function of its parent, including all template\n    // semantics.\n    'template',\n    'decls',\n    'consts',\n    'vars',\n    'onPush',\n    'ngContentSelectors',\n    // The child class should use the CSS styles of its parent, including all styling semantics.\n    'styles',\n    'encapsulation',\n    // The child class should be checked by the runtime in the same way as its parent.\n    'schemas',\n];\n/**\n * Copies the fields not handled by the `ɵɵInheritDefinitionFeature` from the supertype of a\n * definition.\n *\n * This exists primarily to support ngcc migration of an existing View Engine pattern, where an\n * entire decorator is inherited from a parent to a child class. When ngcc detects this case, it\n * generates a skeleton definition on the child class, and applies this feature.\n *\n * The `ɵɵCopyDefinitionFeature` then copies any needed fields from the parent class' definition,\n * including things like the component template function.\n *\n * @param definition The definition of a child class which inherits from a parent class with its\n * own definition.\n *\n * @codeGenApi\n */\nfunction ɵɵCopyDefinitionFeature(definition) {\n    var e_1, _a, e_2, _b;\n    var superType = getSuperType(definition.type);\n    var superDef = undefined;\n    if (isComponentDef(definition)) {\n        // Don't use getComponentDef/getDirectiveDef. This logic relies on inheritance.\n        superDef = superType.ɵcmp;\n    }\n    else {\n        // Don't use getComponentDef/getDirectiveDef. This logic relies on inheritance.\n        superDef = superType.ɵdir;\n    }\n    // Needed because `definition` fields are readonly.\n    var defAny = definition;\n    try {\n        // Copy over any fields that apply to either directives or components.\n        for (var COPY_DIRECTIVE_FIELDS_1 = __values(COPY_DIRECTIVE_FIELDS), COPY_DIRECTIVE_FIELDS_1_1 = COPY_DIRECTIVE_FIELDS_1.next(); !COPY_DIRECTIVE_FIELDS_1_1.done; COPY_DIRECTIVE_FIELDS_1_1 = COPY_DIRECTIVE_FIELDS_1.next()) {\n            var field = COPY_DIRECTIVE_FIELDS_1_1.value;\n            defAny[field] = superDef[field];\n        }\n    }\n    catch (e_1_1) { e_1 = { error: e_1_1 }; }\n    finally {\n        try {\n            if (COPY_DIRECTIVE_FIELDS_1_1 && !COPY_DIRECTIVE_FIELDS_1_1.done && (_a = COPY_DIRECTIVE_FIELDS_1.return)) _a.call(COPY_DIRECTIVE_FIELDS_1);\n        }\n        finally { if (e_1) throw e_1.error; }\n    }\n    if (isComponentDef(superDef)) {\n        try {\n            // Copy over any component-specific fields.\n            for (var COPY_COMPONENT_FIELDS_1 = __values(COPY_COMPONENT_FIELDS), COPY_COMPONENT_FIELDS_1_1 = COPY_COMPONENT_FIELDS_1.next(); !COPY_COMPONENT_FIELDS_1_1.done; COPY_COMPONENT_FIELDS_1_1 = COPY_COMPONENT_FIELDS_1.next()) {\n                var field = COPY_COMPONENT_FIELDS_1_1.value;\n                defAny[field] = superDef[field];\n            }\n        }\n        catch (e_2_1) { e_2 = { error: e_2_1 }; }\n        finally {\n            try {\n                if (COPY_COMPONENT_FIELDS_1_1 && !COPY_COMPONENT_FIELDS_1_1.done && (_b = COPY_COMPONENT_FIELDS_1.return)) _b.call(COPY_COMPONENT_FIELDS_1);\n            }\n            finally { if (e_2) throw e_2.error; }\n        }\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Represents a basic change from a previous to a new value for a single\n * property on a directive instance. Passed as a value in a\n * {@link SimpleChanges} object to the `ngOnChanges` hook.\n *\n * @see `OnChanges`\n *\n * @publicApi\n */\nvar SimpleChange = /** @class */ (function () {\n    function SimpleChange(previousValue, currentValue, firstChange) {\n        this.previousValue = previousValue;\n        this.currentValue = currentValue;\n        this.firstChange = firstChange;\n    }\n    /**\n     * Check whether the new value is the first value assigned.\n     */\n    SimpleChange.prototype.isFirstChange = function () { return this.firstChange; };\n    return SimpleChange;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar PRIVATE_PREFIX = '__ngOnChanges_';\n/**\n * The NgOnChangesFeature decorates a component with support for the ngOnChanges\n * lifecycle hook, so it should be included in any component that implements\n * that hook.\n *\n * If the component or directive uses inheritance, the NgOnChangesFeature MUST\n * be included as a feature AFTER {@link InheritDefinitionFeature}, otherwise\n * inherited properties will not be propagated to the ngOnChanges lifecycle\n * hook.\n *\n * Example usage:\n *\n * ```\n * static ɵcmp = defineComponent({\n *   ...\n *   inputs: {name: 'publicName'},\n *   features: [NgOnChangesFeature()]\n * });\n * ```\n *\n * @codeGenApi\n */\nfunction ɵɵNgOnChangesFeature() {\n    // This option ensures that the ngOnChanges lifecycle hook will be inherited\n    // from superclasses (in InheritDefinitionFeature).\n    NgOnChangesFeatureImpl.ngInherit = true;\n    return NgOnChangesFeatureImpl;\n}\nfunction NgOnChangesFeatureImpl(definition) {\n    if (definition.type.prototype.ngOnChanges) {\n        definition.setInput = ngOnChangesSetInput;\n        definition.onChanges = wrapOnChanges();\n    }\n}\nfunction wrapOnChanges() {\n    return function wrapOnChangesHook_inPreviousChangesStorage() {\n        var simpleChangesStore = getSimpleChangesStore(this);\n        var current = simpleChangesStore && simpleChangesStore.current;\n        if (current) {\n            var previous = simpleChangesStore.previous;\n            if (previous === EMPTY_OBJ) {\n                simpleChangesStore.previous = current;\n            }\n            else {\n                // New changes are copied to the previous store, so that we don't lose history for inputs\n                // which were not changed this time\n                for (var key in current) {\n                    previous[key] = current[key];\n                }\n            }\n            simpleChangesStore.current = null;\n            this.ngOnChanges(current);\n        }\n    };\n}\nfunction ngOnChangesSetInput(instance, value, publicName, privateName) {\n    var simpleChangesStore = getSimpleChangesStore(instance) ||\n        setSimpleChangesStore(instance, { previous: EMPTY_OBJ, current: null });\n    var current = simpleChangesStore.current || (simpleChangesStore.current = {});\n    var previous = simpleChangesStore.previous;\n    var declaredName = this.declaredInputs[publicName];\n    var previousChange = previous[declaredName];\n    current[declaredName] = new SimpleChange(previousChange && previousChange.currentValue, value, previous === EMPTY_OBJ);\n    instance[privateName] = value;\n}\nvar SIMPLE_CHANGES_STORE = '__ngSimpleChanges__';\nfunction getSimpleChangesStore(instance) {\n    return instance[SIMPLE_CHANGES_STORE] || null;\n}\nfunction setSimpleChangesStore(instance, store) {\n    return instance[SIMPLE_CHANGES_STORE] = store;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Resolves the providers which are defined in the DirectiveDef.\n *\n * When inserting the tokens and the factories in their respective arrays, we can assume that\n * this method is called first for the component (if any), and then for other directives on the same\n * node.\n * As a consequence,the providers are always processed in that order:\n * 1) The view providers of the component\n * 2) The providers of the component\n * 3) The providers of the other directives\n * This matches the structure of the injectables arrays of a view (for each node).\n * So the tokens and the factories can be pushed at the end of the arrays, except\n * in one case for multi providers.\n *\n * @param def the directive definition\n * @param providers: Array of `providers`.\n * @param viewProviders: Array of `viewProviders`.\n */\nfunction providersResolver(def, providers, viewProviders) {\n    var tView = getTView();\n    if (tView.firstCreatePass) {\n        var isComponent = isComponentDef(def);\n        // The list of view providers is processed first, and the flags are updated\n        resolveProvider$1(viewProviders, tView.data, tView.blueprint, isComponent, true);\n        // Then, the list of providers is processed, and the flags are updated\n        resolveProvider$1(providers, tView.data, tView.blueprint, isComponent, false);\n    }\n}\n/**\n * Resolves a provider and publishes it to the DI system.\n */\nfunction resolveProvider$1(provider, tInjectables, lInjectablesBlueprint, isComponent, isViewProvider) {\n    provider = resolveForwardRef(provider);\n    if (Array.isArray(provider)) {\n        // Recursively call `resolveProvider`\n        // Recursion is OK in this case because this code will not be in hot-path once we implement\n        // cloning of the initial state.\n        for (var i = 0; i < provider.length; i++) {\n            resolveProvider$1(provider[i], tInjectables, lInjectablesBlueprint, isComponent, isViewProvider);\n        }\n    }\n    else {\n        var tView = getTView();\n        var lView = getLView();\n        var token = isTypeProvider(provider) ? provider : resolveForwardRef(provider.provide);\n        var providerFactory = providerToFactory(provider);\n        var tNode = getPreviousOrParentTNode();\n        var beginIndex = tNode.providerIndexes & 65535 /* ProvidersStartIndexMask */;\n        var endIndex = tNode.directiveStart;\n        var cptViewProvidersCount = tNode.providerIndexes >> 16 /* CptViewProvidersCountShift */;\n        if (isClassProvider(provider) || isTypeProvider(provider)) {\n            var prototype = (provider.useClass || provider).prototype;\n            var ngOnDestroy = prototype.ngOnDestroy;\n            if (ngOnDestroy) {\n                (tView.destroyHooks || (tView.destroyHooks = [])).push(tInjectables.length, ngOnDestroy);\n            }\n        }\n        if (isTypeProvider(provider) || !provider.multi) {\n            // Single provider case: the factory is created and pushed immediately\n            var factory = new NodeInjectorFactory(providerFactory, isViewProvider, ɵɵdirectiveInject);\n            var existingFactoryIndex = indexOf(token, tInjectables, isViewProvider ? beginIndex : beginIndex + cptViewProvidersCount, endIndex);\n            if (existingFactoryIndex == -1) {\n                diPublicInInjector(getOrCreateNodeInjectorForNode(tNode, lView), tView, token);\n                tInjectables.push(token);\n                tNode.directiveStart++;\n                tNode.directiveEnd++;\n                if (isViewProvider) {\n                    tNode.providerIndexes += 65536 /* CptViewProvidersCountShifter */;\n                }\n                lInjectablesBlueprint.push(factory);\n                lView.push(factory);\n            }\n            else {\n                lInjectablesBlueprint[existingFactoryIndex] = factory;\n                lView[existingFactoryIndex] = factory;\n            }\n        }\n        else {\n            // Multi provider case:\n            // We create a multi factory which is going to aggregate all the values.\n            // Since the output of such a factory depends on content or view injection,\n            // we create two of them, which are linked together.\n            //\n            // The first one (for view providers) is always in the first block of the injectables array,\n            // and the second one (for providers) is always in the second block.\n            // This is important because view providers have higher priority. When a multi token\n            // is being looked up, the view providers should be found first.\n            // Note that it is not possible to have a multi factory in the third block (directive block).\n            //\n            // The algorithm to process multi providers is as follows:\n            // 1) If the multi provider comes from the `viewProviders` of the component:\n            //   a) If the special view providers factory doesn't exist, it is created and pushed.\n            //   b) Else, the multi provider is added to the existing multi factory.\n            // 2) If the multi provider comes from the `providers` of the component or of another\n            // directive:\n            //   a) If the multi factory doesn't exist, it is created and provider pushed into it.\n            //      It is also linked to the multi factory for view providers, if it exists.\n            //   b) Else, the multi provider is added to the existing multi factory.\n            var existingProvidersFactoryIndex = indexOf(token, tInjectables, beginIndex + cptViewProvidersCount, endIndex);\n            var existingViewProvidersFactoryIndex = indexOf(token, tInjectables, beginIndex, beginIndex + cptViewProvidersCount);\n            var doesProvidersFactoryExist = existingProvidersFactoryIndex >= 0 &&\n                lInjectablesBlueprint[existingProvidersFactoryIndex];\n            var doesViewProvidersFactoryExist = existingViewProvidersFactoryIndex >= 0 &&\n                lInjectablesBlueprint[existingViewProvidersFactoryIndex];\n            if (isViewProvider && !doesViewProvidersFactoryExist ||\n                !isViewProvider && !doesProvidersFactoryExist) {\n                // Cases 1.a and 2.a\n                diPublicInInjector(getOrCreateNodeInjectorForNode(tNode, lView), tView, token);\n                var factory = multiFactory(isViewProvider ? multiViewProvidersFactoryResolver : multiProvidersFactoryResolver, lInjectablesBlueprint.length, isViewProvider, isComponent, providerFactory);\n                if (!isViewProvider && doesViewProvidersFactoryExist) {\n                    lInjectablesBlueprint[existingViewProvidersFactoryIndex].providerFactory = factory;\n                }\n                tInjectables.push(token);\n                tNode.directiveStart++;\n                tNode.directiveEnd++;\n                if (isViewProvider) {\n                    tNode.providerIndexes += 65536 /* CptViewProvidersCountShifter */;\n                }\n                lInjectablesBlueprint.push(factory);\n                lView.push(factory);\n            }\n            else {\n                // Cases 1.b and 2.b\n                multiFactoryAdd(lInjectablesBlueprint[isViewProvider ? existingViewProvidersFactoryIndex : existingProvidersFactoryIndex], providerFactory, !isViewProvider && isComponent);\n            }\n            if (!isViewProvider && isComponent && doesViewProvidersFactoryExist) {\n                lInjectablesBlueprint[existingViewProvidersFactoryIndex].componentProviders++;\n            }\n        }\n    }\n}\n/**\n * Add a factory in a multi factory.\n */\nfunction multiFactoryAdd(multiFactory, factory, isComponentProvider) {\n    multiFactory.multi.push(factory);\n    if (isComponentProvider) {\n        multiFactory.componentProviders++;\n    }\n}\n/**\n * Returns the index of item in the array, but only in the begin to end range.\n */\nfunction indexOf(item, arr, begin, end) {\n    for (var i = begin; i < end; i++) {\n        if (arr[i] === item)\n            return i;\n    }\n    return -1;\n}\n/**\n * Use this with `multi` `providers`.\n */\nfunction multiProvidersFactoryResolver(_, tData, lData, tNode) {\n    return multiResolve(this.multi, []);\n}\n/**\n * Use this with `multi` `viewProviders`.\n *\n * This factory knows how to concatenate itself with the existing `multi` `providers`.\n */\nfunction multiViewProvidersFactoryResolver(_, tData, lView, tNode) {\n    var factories = this.multi;\n    var result;\n    if (this.providerFactory) {\n        var componentCount = this.providerFactory.componentProviders;\n        var multiProviders = getNodeInjectable(lView, lView[TVIEW], this.providerFactory.index, tNode);\n        // Copy the section of the array which contains `multi` `providers` from the component\n        result = multiProviders.slice(0, componentCount);\n        // Insert the `viewProvider` instances.\n        multiResolve(factories, result);\n        // Copy the section of the array which contains `multi` `providers` from other directives\n        for (var i = componentCount; i < multiProviders.length; i++) {\n            result.push(multiProviders[i]);\n        }\n    }\n    else {\n        result = [];\n        // Insert the `viewProvider` instances.\n        multiResolve(factories, result);\n    }\n    return result;\n}\n/**\n * Maps an array of factories into an array of values.\n */\nfunction multiResolve(factories, result) {\n    for (var i = 0; i < factories.length; i++) {\n        var factory = factories[i];\n        result.push(factory());\n    }\n    return result;\n}\n/**\n * Creates a multi factory.\n */\nfunction multiFactory(factoryFn, index, isViewProvider, isComponent, f) {\n    var factory = new NodeInjectorFactory(factoryFn, isViewProvider, ɵɵdirectiveInject);\n    factory.multi = [];\n    factory.index = index;\n    factory.componentProviders = 0;\n    multiFactoryAdd(factory, f, isComponent && !isViewProvider);\n    return factory;\n}\n\n/**\n * This feature resolves the providers of a directive (or component),\n * and publish them into the DI system, making it visible to others for injection.\n *\n * For example:\n * ```ts\n * class ComponentWithProviders {\n *   constructor(private greeter: GreeterDE) {}\n *\n *   static ɵcmp = defineComponent({\n *     type: ComponentWithProviders,\n *     selectors: [['component-with-providers']],\n *    factory: () => new ComponentWithProviders(directiveInject(GreeterDE as any)),\n *    decls: 1,\n *    vars: 1,\n *    template: function(fs: RenderFlags, ctx: ComponentWithProviders) {\n *      if (fs & RenderFlags.Create) {\n *        ɵɵtext(0);\n *      }\n *      if (fs & RenderFlags.Update) {\n *        ɵɵtextInterpolate(ctx.greeter.greet());\n *      }\n *    },\n *    features: [ProvidersFeature([GreeterDE])]\n *  });\n * }\n * ```\n *\n * @param definition\n *\n * @codeGenApi\n */\nfunction ɵɵProvidersFeature(providers, viewProviders) {\n    if (viewProviders === void 0) { viewProviders = []; }\n    return function (definition) {\n        definition.providersResolver =\n            function (def, processProvidersFn) {\n                return providersResolver(def, //\n                processProvidersFn ? processProvidersFn(providers) : providers, //\n                viewProviders);\n            };\n    };\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Represents a component created by a `ComponentFactory`.\n * Provides access to the component instance and related objects,\n * and provides the means of destroying the instance.\n *\n * @publicApi\n */\nvar ComponentRef = /** @class */ (function () {\n    function ComponentRef() {\n    }\n    return ComponentRef;\n}());\n/**\n * Base class for a factory that can create a component dynamically.\n * Instantiate a factory for a given type of component with `resolveComponentFactory()`.\n * Use the resulting `ComponentFactory.create()` method to create a component of that type.\n *\n * @see [Dynamic Components](guide/dynamic-component-loader)\n *\n * @publicApi\n */\nvar ComponentFactory = /** @class */ (function () {\n    function ComponentFactory() {\n    }\n    return ComponentFactory;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction noComponentFactoryError(component) {\n    var error = Error(\"No component factory found for \" + stringify(component) + \". Did you add it to @NgModule.entryComponents?\");\n    error[ERROR_COMPONENT] = component;\n    return error;\n}\nvar ERROR_COMPONENT = 'ngComponent';\nfunction getComponent$1(error) {\n    return error[ERROR_COMPONENT];\n}\nvar _NullComponentFactoryResolver = /** @class */ (function () {\n    function _NullComponentFactoryResolver() {\n    }\n    _NullComponentFactoryResolver.prototype.resolveComponentFactory = function (component) {\n        throw noComponentFactoryError(component);\n    };\n    return _NullComponentFactoryResolver;\n}());\n/**\n * A simple registry that maps `Components` to generated `ComponentFactory` classes\n * that can be used to create instances of components.\n * Use to obtain the factory for a given component type,\n * then use the factory's `create()` method to create a component of that type.\n *\n * @see [Dynamic Components](guide/dynamic-component-loader)\n * @publicApi\n */\nvar ComponentFactoryResolver = /** @class */ (function () {\n    function ComponentFactoryResolver() {\n    }\n    ComponentFactoryResolver.NULL = new _NullComponentFactoryResolver();\n    return ComponentFactoryResolver;\n}());\nvar CodegenComponentFactoryResolver = /** @class */ (function () {\n    function CodegenComponentFactoryResolver(factories, _parent, _ngModule) {\n        this._parent = _parent;\n        this._ngModule = _ngModule;\n        this._factories = new Map();\n        for (var i = 0; i < factories.length; i++) {\n            var factory = factories[i];\n            this._factories.set(factory.componentType, factory);\n        }\n    }\n    CodegenComponentFactoryResolver.prototype.resolveComponentFactory = function (component) {\n        var factory = this._factories.get(component);\n        if (!factory && this._parent) {\n            factory = this._parent.resolveComponentFactory(component);\n        }\n        if (!factory) {\n            throw noComponentFactoryError(component);\n        }\n        return new ComponentFactoryBoundToModule(factory, this._ngModule);\n    };\n    return CodegenComponentFactoryResolver;\n}());\nvar ComponentFactoryBoundToModule = /** @class */ (function (_super) {\n    __extends(ComponentFactoryBoundToModule, _super);\n    function ComponentFactoryBoundToModule(factory, ngModule) {\n        var _this = _super.call(this) || this;\n        _this.factory = factory;\n        _this.ngModule = ngModule;\n        _this.selector = factory.selector;\n        _this.componentType = factory.componentType;\n        _this.ngContentSelectors = factory.ngContentSelectors;\n        _this.inputs = factory.inputs;\n        _this.outputs = factory.outputs;\n        return _this;\n    }\n    ComponentFactoryBoundToModule.prototype.create = function (injector, projectableNodes, rootSelectorOrNode, ngModule) {\n        return this.factory.create(injector, projectableNodes, rootSelectorOrNode, ngModule || this.ngModule);\n    };\n    return ComponentFactoryBoundToModule;\n}(ComponentFactory));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction noop() {\n    var args = [];\n    for (var _i = 0; _i < arguments.length; _i++) {\n        args[_i] = arguments[_i];\n    }\n    // Do nothing.\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A wrapper around a native element inside of a View.\n *\n * An `ElementRef` is backed by a render-specific element. In the browser, this is usually a DOM\n * element.\n *\n * @security Permitting direct access to the DOM can make your application more vulnerable to\n * XSS attacks. Carefully review any use of `ElementRef` in your code. For more detail, see the\n * [Security Guide](http://g.co/ng/security).\n *\n * @publicApi\n */\n// Note: We don't expose things like `Injector`, `ViewContainer`, ... here,\n// i.e. users have to ask for what they need. With that, we can build better analysis tools\n// and could do better codegen in the future.\nvar ElementRef = /** @class */ (function () {\n    function ElementRef(nativeElement) {\n        this.nativeElement = nativeElement;\n    }\n    /**\n     * @internal\n     * @nocollapse\n     */\n    ElementRef.__NG_ELEMENT_ID__ = function () { return SWITCH_ELEMENT_REF_FACTORY(ElementRef); };\n    return ElementRef;\n}());\nvar SWITCH_ELEMENT_REF_FACTORY__POST_R3__ = injectElementRef;\nvar SWITCH_ELEMENT_REF_FACTORY__PRE_R3__ = noop;\nvar SWITCH_ELEMENT_REF_FACTORY = SWITCH_ELEMENT_REF_FACTORY__PRE_R3__;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar Renderer2Interceptor = new InjectionToken('Renderer2Interceptor');\n/**\n * Creates and initializes a custom renderer that implements the `Renderer2` base class.\n *\n * @publicApi\n */\nvar RendererFactory2 = /** @class */ (function () {\n    function RendererFactory2() {\n    }\n    return RendererFactory2;\n}());\n/**\n * Flags for renderer-specific style modifiers.\n * @publicApi\n */\nvar RendererStyleFlags2;\n(function (RendererStyleFlags2) {\n    // TODO(misko): This needs to be refactored into a separate file so that it can be imported from\n    // `node_manipulation.ts` Currently doing the import cause resolution order to change and fails\n    // the tests. The work around is to have hard coded value in `node_manipulation.ts` for now.\n    /**\n     * Marks a style as important.\n     */\n    RendererStyleFlags2[RendererStyleFlags2[\"Important\"] = 1] = \"Important\";\n    /**\n     * Marks a style as using dash case naming (this-is-dash-case).\n     */\n    RendererStyleFlags2[RendererStyleFlags2[\"DashCase\"] = 2] = \"DashCase\";\n})(RendererStyleFlags2 || (RendererStyleFlags2 = {}));\n/**\n * Extend this base class to implement custom rendering. By default, Angular\n * renders a template into DOM. You can use custom rendering to intercept\n * rendering calls, or to render to something other than DOM.\n *\n * Create your custom renderer using `RendererFactory2`.\n *\n * Use a custom renderer to bypass Angular's templating and\n * make custom UI changes that can't be expressed declaratively.\n * For example if you need to set a property or an attribute whose name is\n * not statically known, use the `setProperty()` or\n * `setAttribute()` method.\n *\n * @publicApi\n */\nvar Renderer2 = /** @class */ (function () {\n    function Renderer2() {\n    }\n    /**\n     * @internal\n     * @nocollapse\n     */\n    Renderer2.__NG_ELEMENT_ID__ = function () { return SWITCH_RENDERER2_FACTORY(); };\n    return Renderer2;\n}());\nvar SWITCH_RENDERER2_FACTORY__POST_R3__ = injectRenderer2;\nvar SWITCH_RENDERER2_FACTORY__PRE_R3__ = noop;\nvar SWITCH_RENDERER2_FACTORY = SWITCH_RENDERER2_FACTORY__PRE_R3__;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Sanitizer is used by the views to sanitize potentially dangerous values.\n *\n * @publicApi\n */\nvar Sanitizer = /** @class */ (function () {\n    function Sanitizer() {\n    }\n    /** @nocollapse */\n    Sanitizer.ɵprov = ɵɵdefineInjectable({\n        token: Sanitizer,\n        providedIn: 'root',\n        factory: function () { return null; },\n    });\n    return Sanitizer;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @description Represents the version of Angular\n *\n * @publicApi\n */\nvar Version = /** @class */ (function () {\n    function Version(full) {\n        this.full = full;\n        this.major = full.split('.')[0];\n        this.minor = full.split('.')[1];\n        this.patch = full.split('.').slice(2).join('.');\n    }\n    return Version;\n}());\n/**\n * @publicApi\n */\nvar VERSION = new Version('9.0.0');\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar DefaultIterableDifferFactory = /** @class */ (function () {\n    function DefaultIterableDifferFactory() {\n    }\n    DefaultIterableDifferFactory.prototype.supports = function (obj) { return isListLikeIterable$1(obj); };\n    DefaultIterableDifferFactory.prototype.create = function (trackByFn) {\n        return new DefaultIterableDiffer(trackByFn);\n    };\n    return DefaultIterableDifferFactory;\n}());\nvar trackByIdentity = function (index, item) { return item; };\nvar ɵ0$c = trackByIdentity;\n/**\n * @deprecated v4.0.0 - Should not be part of public API.\n * @publicApi\n */\nvar DefaultIterableDiffer = /** @class */ (function () {\n    function DefaultIterableDiffer(trackByFn) {\n        this.length = 0;\n        // Keeps track of the used records at any point in time (during & across `_check()` calls)\n        this._linkedRecords = null;\n        // Keeps track of the removed records at any point in time during `_check()` calls.\n        this._unlinkedRecords = null;\n        this._previousItHead = null;\n        this._itHead = null;\n        this._itTail = null;\n        this._additionsHead = null;\n        this._additionsTail = null;\n        this._movesHead = null;\n        this._movesTail = null;\n        this._removalsHead = null;\n        this._removalsTail = null;\n        // Keeps track of records where custom track by is the same, but item identity has changed\n        this._identityChangesHead = null;\n        this._identityChangesTail = null;\n        this._trackByFn = trackByFn || trackByIdentity;\n    }\n    DefaultIterableDiffer.prototype.forEachItem = function (fn) {\n        var record;\n        for (record = this._itHead; record !== null; record = record._next) {\n            fn(record);\n        }\n    };\n    DefaultIterableDiffer.prototype.forEachOperation = function (fn) {\n        var nextIt = this._itHead;\n        var nextRemove = this._removalsHead;\n        var addRemoveOffset = 0;\n        var moveOffsets = null;\n        while (nextIt || nextRemove) {\n            // Figure out which is the next record to process\n            // Order: remove, add, move\n            var record = !nextRemove ||\n                nextIt &&\n                    nextIt.currentIndex <\n                        getPreviousIndex(nextRemove, addRemoveOffset, moveOffsets) ?\n                nextIt :\n                nextRemove;\n            var adjPreviousIndex = getPreviousIndex(record, addRemoveOffset, moveOffsets);\n            var currentIndex = record.currentIndex;\n            // consume the item, and adjust the addRemoveOffset and update moveDistance if necessary\n            if (record === nextRemove) {\n                addRemoveOffset--;\n                nextRemove = nextRemove._nextRemoved;\n            }\n            else {\n                nextIt = nextIt._next;\n                if (record.previousIndex == null) {\n                    addRemoveOffset++;\n                }\n                else {\n                    // INVARIANT:  currentIndex < previousIndex\n                    if (!moveOffsets)\n                        moveOffsets = [];\n                    var localMovePreviousIndex = adjPreviousIndex - addRemoveOffset;\n                    var localCurrentIndex = currentIndex - addRemoveOffset;\n                    if (localMovePreviousIndex != localCurrentIndex) {\n                        for (var i = 0; i < localMovePreviousIndex; i++) {\n                            var offset = i < moveOffsets.length ? moveOffsets[i] : (moveOffsets[i] = 0);\n                            var index = offset + i;\n                            if (localCurrentIndex <= index && index < localMovePreviousIndex) {\n                                moveOffsets[i] = offset + 1;\n                            }\n                        }\n                        var previousIndex = record.previousIndex;\n                        moveOffsets[previousIndex] = localCurrentIndex - localMovePreviousIndex;\n                    }\n                }\n            }\n            if (adjPreviousIndex !== currentIndex) {\n                fn(record, adjPreviousIndex, currentIndex);\n            }\n        }\n    };\n    DefaultIterableDiffer.prototype.forEachPreviousItem = function (fn) {\n        var record;\n        for (record = this._previousItHead; record !== null; record = record._nextPrevious) {\n            fn(record);\n        }\n    };\n    DefaultIterableDiffer.prototype.forEachAddedItem = function (fn) {\n        var record;\n        for (record = this._additionsHead; record !== null; record = record._nextAdded) {\n            fn(record);\n        }\n    };\n    DefaultIterableDiffer.prototype.forEachMovedItem = function (fn) {\n        var record;\n        for (record = this._movesHead; record !== null; record = record._nextMoved) {\n            fn(record);\n        }\n    };\n    DefaultIterableDiffer.prototype.forEachRemovedItem = function (fn) {\n        var record;\n        for (record = this._removalsHead; record !== null; record = record._nextRemoved) {\n            fn(record);\n        }\n    };\n    DefaultIterableDiffer.prototype.forEachIdentityChange = function (fn) {\n        var record;\n        for (record = this._identityChangesHead; record !== null; record = record._nextIdentityChange) {\n            fn(record);\n        }\n    };\n    DefaultIterableDiffer.prototype.diff = function (collection) {\n        if (collection == null)\n            collection = [];\n        if (!isListLikeIterable$1(collection)) {\n            throw new Error(\"Error trying to diff '\" + stringify(collection) + \"'. Only arrays and iterables are allowed\");\n        }\n        if (this.check(collection)) {\n            return this;\n        }\n        else {\n            return null;\n        }\n    };\n    DefaultIterableDiffer.prototype.onDestroy = function () { };\n    DefaultIterableDiffer.prototype.check = function (collection) {\n        var _this = this;\n        this._reset();\n        var record = this._itHead;\n        var mayBeDirty = false;\n        var index;\n        var item;\n        var itemTrackBy;\n        if (Array.isArray(collection)) {\n            this.length = collection.length;\n            for (var index_1 = 0; index_1 < this.length; index_1++) {\n                item = collection[index_1];\n                itemTrackBy = this._trackByFn(index_1, item);\n                if (record === null || !looseIdentical(record.trackById, itemTrackBy)) {\n                    record = this._mismatch(record, item, itemTrackBy, index_1);\n                    mayBeDirty = true;\n                }\n                else {\n                    if (mayBeDirty) {\n                        // TODO(misko): can we limit this to duplicates only?\n                        record = this._verifyReinsertion(record, item, itemTrackBy, index_1);\n                    }\n                    if (!looseIdentical(record.item, item))\n                        this._addIdentityChange(record, item);\n                }\n                record = record._next;\n            }\n        }\n        else {\n            index = 0;\n            iterateListLike$1(collection, function (item) {\n                itemTrackBy = _this._trackByFn(index, item);\n                if (record === null || !looseIdentical(record.trackById, itemTrackBy)) {\n                    record = _this._mismatch(record, item, itemTrackBy, index);\n                    mayBeDirty = true;\n                }\n                else {\n                    if (mayBeDirty) {\n                        // TODO(misko): can we limit this to duplicates only?\n                        record = _this._verifyReinsertion(record, item, itemTrackBy, index);\n                    }\n                    if (!looseIdentical(record.item, item))\n                        _this._addIdentityChange(record, item);\n                }\n                record = record._next;\n                index++;\n            });\n            this.length = index;\n        }\n        this._truncate(record);\n        this.collection = collection;\n        return this.isDirty;\n    };\n    Object.defineProperty(DefaultIterableDiffer.prototype, \"isDirty\", {\n        /* CollectionChanges is considered dirty if it has any additions, moves, removals, or identity\n         * changes.\n         */\n        get: function () {\n            return this._additionsHead !== null || this._movesHead !== null ||\n                this._removalsHead !== null || this._identityChangesHead !== null;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Reset the state of the change objects to show no changes. This means set previousKey to\n     * currentKey, and clear all of the queues (additions, moves, removals).\n     * Set the previousIndexes of moved and added items to their currentIndexes\n     * Reset the list of additions, moves and removals\n     *\n     * @internal\n     */\n    DefaultIterableDiffer.prototype._reset = function () {\n        if (this.isDirty) {\n            var record = void 0;\n            var nextRecord = void 0;\n            for (record = this._previousItHead = this._itHead; record !== null; record = record._next) {\n                record._nextPrevious = record._next;\n            }\n            for (record = this._additionsHead; record !== null; record = record._nextAdded) {\n                record.previousIndex = record.currentIndex;\n            }\n            this._additionsHead = this._additionsTail = null;\n            for (record = this._movesHead; record !== null; record = nextRecord) {\n                record.previousIndex = record.currentIndex;\n                nextRecord = record._nextMoved;\n            }\n            this._movesHead = this._movesTail = null;\n            this._removalsHead = this._removalsTail = null;\n            this._identityChangesHead = this._identityChangesTail = null;\n            // TODO(vicb): when assert gets supported\n            // assert(!this.isDirty);\n        }\n    };\n    /**\n     * This is the core function which handles differences between collections.\n     *\n     * - `record` is the record which we saw at this position last time. If null then it is a new\n     *   item.\n     * - `item` is the current item in the collection\n     * - `index` is the position of the item in the collection\n     *\n     * @internal\n     */\n    DefaultIterableDiffer.prototype._mismatch = function (record, item, itemTrackBy, index) {\n        // The previous record after which we will append the current one.\n        var previousRecord;\n        if (record === null) {\n            previousRecord = this._itTail;\n        }\n        else {\n            previousRecord = record._prev;\n            // Remove the record from the collection since we know it does not match the item.\n            this._remove(record);\n        }\n        // Attempt to see if we have seen the item before.\n        record = this._linkedRecords === null ? null : this._linkedRecords.get(itemTrackBy, index);\n        if (record !== null) {\n            // We have seen this before, we need to move it forward in the collection.\n            // But first we need to check if identity changed, so we can update in view if necessary\n            if (!looseIdentical(record.item, item))\n                this._addIdentityChange(record, item);\n            this._moveAfter(record, previousRecord, index);\n        }\n        else {\n            // Never seen it, check evicted list.\n            record = this._unlinkedRecords === null ? null : this._unlinkedRecords.get(itemTrackBy, null);\n            if (record !== null) {\n                // It is an item which we have evicted earlier: reinsert it back into the list.\n                // But first we need to check if identity changed, so we can update in view if necessary\n                if (!looseIdentical(record.item, item))\n                    this._addIdentityChange(record, item);\n                this._reinsertAfter(record, previousRecord, index);\n            }\n            else {\n                // It is a new item: add it.\n                record =\n                    this._addAfter(new IterableChangeRecord_(item, itemTrackBy), previousRecord, index);\n            }\n        }\n        return record;\n    };\n    /**\n     * This check is only needed if an array contains duplicates. (Short circuit of nothing dirty)\n     *\n     * Use case: `[a, a]` => `[b, a, a]`\n     *\n     * If we did not have this check then the insertion of `b` would:\n     *   1) evict first `a`\n     *   2) insert `b` at `0` index.\n     *   3) leave `a` at index `1` as is. <-- this is wrong!\n     *   3) reinsert `a` at index 2. <-- this is wrong!\n     *\n     * The correct behavior is:\n     *   1) evict first `a`\n     *   2) insert `b` at `0` index.\n     *   3) reinsert `a` at index 1.\n     *   3) move `a` at from `1` to `2`.\n     *\n     *\n     * Double check that we have not evicted a duplicate item. We need to check if the item type may\n     * have already been removed:\n     * The insertion of b will evict the first 'a'. If we don't reinsert it now it will be reinserted\n     * at the end. Which will show up as the two 'a's switching position. This is incorrect, since a\n     * better way to think of it is as insert of 'b' rather then switch 'a' with 'b' and then add 'a'\n     * at the end.\n     *\n     * @internal\n     */\n    DefaultIterableDiffer.prototype._verifyReinsertion = function (record, item, itemTrackBy, index) {\n        var reinsertRecord = this._unlinkedRecords === null ? null : this._unlinkedRecords.get(itemTrackBy, null);\n        if (reinsertRecord !== null) {\n            record = this._reinsertAfter(reinsertRecord, record._prev, index);\n        }\n        else if (record.currentIndex != index) {\n            record.currentIndex = index;\n            this._addToMoves(record, index);\n        }\n        return record;\n    };\n    /**\n     * Get rid of any excess {@link IterableChangeRecord_}s from the previous collection\n     *\n     * - `record` The first excess {@link IterableChangeRecord_}.\n     *\n     * @internal\n     */\n    DefaultIterableDiffer.prototype._truncate = function (record) {\n        // Anything after that needs to be removed;\n        while (record !== null) {\n            var nextRecord = record._next;\n            this._addToRemovals(this._unlink(record));\n            record = nextRecord;\n        }\n        if (this._unlinkedRecords !== null) {\n            this._unlinkedRecords.clear();\n        }\n        if (this._additionsTail !== null) {\n            this._additionsTail._nextAdded = null;\n        }\n        if (this._movesTail !== null) {\n            this._movesTail._nextMoved = null;\n        }\n        if (this._itTail !== null) {\n            this._itTail._next = null;\n        }\n        if (this._removalsTail !== null) {\n            this._removalsTail._nextRemoved = null;\n        }\n        if (this._identityChangesTail !== null) {\n            this._identityChangesTail._nextIdentityChange = null;\n        }\n    };\n    /** @internal */\n    DefaultIterableDiffer.prototype._reinsertAfter = function (record, prevRecord, index) {\n        if (this._unlinkedRecords !== null) {\n            this._unlinkedRecords.remove(record);\n        }\n        var prev = record._prevRemoved;\n        var next = record._nextRemoved;\n        if (prev === null) {\n            this._removalsHead = next;\n        }\n        else {\n            prev._nextRemoved = next;\n        }\n        if (next === null) {\n            this._removalsTail = prev;\n        }\n        else {\n            next._prevRemoved = prev;\n        }\n        this._insertAfter(record, prevRecord, index);\n        this._addToMoves(record, index);\n        return record;\n    };\n    /** @internal */\n    DefaultIterableDiffer.prototype._moveAfter = function (record, prevRecord, index) {\n        this._unlink(record);\n        this._insertAfter(record, prevRecord, index);\n        this._addToMoves(record, index);\n        return record;\n    };\n    /** @internal */\n    DefaultIterableDiffer.prototype._addAfter = function (record, prevRecord, index) {\n        this._insertAfter(record, prevRecord, index);\n        if (this._additionsTail === null) {\n            // TODO(vicb):\n            // assert(this._additionsHead === null);\n            this._additionsTail = this._additionsHead = record;\n        }\n        else {\n            // TODO(vicb):\n            // assert(_additionsTail._nextAdded === null);\n            // assert(record._nextAdded === null);\n            this._additionsTail = this._additionsTail._nextAdded = record;\n        }\n        return record;\n    };\n    /** @internal */\n    DefaultIterableDiffer.prototype._insertAfter = function (record, prevRecord, index) {\n        // TODO(vicb):\n        // assert(record != prevRecord);\n        // assert(record._next === null);\n        // assert(record._prev === null);\n        var next = prevRecord === null ? this._itHead : prevRecord._next;\n        // TODO(vicb):\n        // assert(next != record);\n        // assert(prevRecord != record);\n        record._next = next;\n        record._prev = prevRecord;\n        if (next === null) {\n            this._itTail = record;\n        }\n        else {\n            next._prev = record;\n        }\n        if (prevRecord === null) {\n            this._itHead = record;\n        }\n        else {\n            prevRecord._next = record;\n        }\n        if (this._linkedRecords === null) {\n            this._linkedRecords = new _DuplicateMap();\n        }\n        this._linkedRecords.put(record);\n        record.currentIndex = index;\n        return record;\n    };\n    /** @internal */\n    DefaultIterableDiffer.prototype._remove = function (record) {\n        return this._addToRemovals(this._unlink(record));\n    };\n    /** @internal */\n    DefaultIterableDiffer.prototype._unlink = function (record) {\n        if (this._linkedRecords !== null) {\n            this._linkedRecords.remove(record);\n        }\n        var prev = record._prev;\n        var next = record._next;\n        // TODO(vicb):\n        // assert((record._prev = null) === null);\n        // assert((record._next = null) === null);\n        if (prev === null) {\n            this._itHead = next;\n        }\n        else {\n            prev._next = next;\n        }\n        if (next === null) {\n            this._itTail = prev;\n        }\n        else {\n            next._prev = prev;\n        }\n        return record;\n    };\n    /** @internal */\n    DefaultIterableDiffer.prototype._addToMoves = function (record, toIndex) {\n        // TODO(vicb):\n        // assert(record._nextMoved === null);\n        if (record.previousIndex === toIndex) {\n            return record;\n        }\n        if (this._movesTail === null) {\n            // TODO(vicb):\n            // assert(_movesHead === null);\n            this._movesTail = this._movesHead = record;\n        }\n        else {\n            // TODO(vicb):\n            // assert(_movesTail._nextMoved === null);\n            this._movesTail = this._movesTail._nextMoved = record;\n        }\n        return record;\n    };\n    DefaultIterableDiffer.prototype._addToRemovals = function (record) {\n        if (this._unlinkedRecords === null) {\n            this._unlinkedRecords = new _DuplicateMap();\n        }\n        this._unlinkedRecords.put(record);\n        record.currentIndex = null;\n        record._nextRemoved = null;\n        if (this._removalsTail === null) {\n            // TODO(vicb):\n            // assert(_removalsHead === null);\n            this._removalsTail = this._removalsHead = record;\n            record._prevRemoved = null;\n        }\n        else {\n            // TODO(vicb):\n            // assert(_removalsTail._nextRemoved === null);\n            // assert(record._nextRemoved === null);\n            record._prevRemoved = this._removalsTail;\n            this._removalsTail = this._removalsTail._nextRemoved = record;\n        }\n        return record;\n    };\n    /** @internal */\n    DefaultIterableDiffer.prototype._addIdentityChange = function (record, item) {\n        record.item = item;\n        if (this._identityChangesTail === null) {\n            this._identityChangesTail = this._identityChangesHead = record;\n        }\n        else {\n            this._identityChangesTail = this._identityChangesTail._nextIdentityChange = record;\n        }\n        return record;\n    };\n    return DefaultIterableDiffer;\n}());\nvar IterableChangeRecord_ = /** @class */ (function () {\n    function IterableChangeRecord_(item, trackById) {\n        this.item = item;\n        this.trackById = trackById;\n        this.currentIndex = null;\n        this.previousIndex = null;\n        /** @internal */\n        this._nextPrevious = null;\n        /** @internal */\n        this._prev = null;\n        /** @internal */\n        this._next = null;\n        /** @internal */\n        this._prevDup = null;\n        /** @internal */\n        this._nextDup = null;\n        /** @internal */\n        this._prevRemoved = null;\n        /** @internal */\n        this._nextRemoved = null;\n        /** @internal */\n        this._nextAdded = null;\n        /** @internal */\n        this._nextMoved = null;\n        /** @internal */\n        this._nextIdentityChange = null;\n    }\n    return IterableChangeRecord_;\n}());\n// A linked list of CollectionChangeRecords with the same IterableChangeRecord_.item\nvar _DuplicateItemRecordList = /** @class */ (function () {\n    function _DuplicateItemRecordList() {\n        /** @internal */\n        this._head = null;\n        /** @internal */\n        this._tail = null;\n    }\n    /**\n     * Append the record to the list of duplicates.\n     *\n     * Note: by design all records in the list of duplicates hold the same value in record.item.\n     */\n    _DuplicateItemRecordList.prototype.add = function (record) {\n        if (this._head === null) {\n            this._head = this._tail = record;\n            record._nextDup = null;\n            record._prevDup = null;\n        }\n        else {\n            // TODO(vicb):\n            // assert(record.item ==  _head.item ||\n            //       record.item is num && record.item.isNaN && _head.item is num && _head.item.isNaN);\n            this._tail._nextDup = record;\n            record._prevDup = this._tail;\n            record._nextDup = null;\n            this._tail = record;\n        }\n    };\n    // Returns a IterableChangeRecord_ having IterableChangeRecord_.trackById == trackById and\n    // IterableChangeRecord_.currentIndex >= atOrAfterIndex\n    _DuplicateItemRecordList.prototype.get = function (trackById, atOrAfterIndex) {\n        var record;\n        for (record = this._head; record !== null; record = record._nextDup) {\n            if ((atOrAfterIndex === null || atOrAfterIndex <= record.currentIndex) &&\n                looseIdentical(record.trackById, trackById)) {\n                return record;\n            }\n        }\n        return null;\n    };\n    /**\n     * Remove one {@link IterableChangeRecord_} from the list of duplicates.\n     *\n     * Returns whether the list of duplicates is empty.\n     */\n    _DuplicateItemRecordList.prototype.remove = function (record) {\n        // TODO(vicb):\n        // assert(() {\n        //  // verify that the record being removed is in the list.\n        //  for (IterableChangeRecord_ cursor = _head; cursor != null; cursor = cursor._nextDup) {\n        //    if (identical(cursor, record)) return true;\n        //  }\n        //  return false;\n        //});\n        var prev = record._prevDup;\n        var next = record._nextDup;\n        if (prev === null) {\n            this._head = next;\n        }\n        else {\n            prev._nextDup = next;\n        }\n        if (next === null) {\n            this._tail = prev;\n        }\n        else {\n            next._prevDup = prev;\n        }\n        return this._head === null;\n    };\n    return _DuplicateItemRecordList;\n}());\nvar _DuplicateMap = /** @class */ (function () {\n    function _DuplicateMap() {\n        this.map = new Map();\n    }\n    _DuplicateMap.prototype.put = function (record) {\n        var key = record.trackById;\n        var duplicates = this.map.get(key);\n        if (!duplicates) {\n            duplicates = new _DuplicateItemRecordList();\n            this.map.set(key, duplicates);\n        }\n        duplicates.add(record);\n    };\n    /**\n     * Retrieve the `value` using key. Because the IterableChangeRecord_ value may be one which we\n     * have already iterated over, we use the `atOrAfterIndex` to pretend it is not there.\n     *\n     * Use case: `[a, b, c, a, a]` if we are at index `3` which is the second `a` then asking if we\n     * have any more `a`s needs to return the second `a`.\n     */\n    _DuplicateMap.prototype.get = function (trackById, atOrAfterIndex) {\n        var key = trackById;\n        var recordList = this.map.get(key);\n        return recordList ? recordList.get(trackById, atOrAfterIndex) : null;\n    };\n    /**\n     * Removes a {@link IterableChangeRecord_} from the list of duplicates.\n     *\n     * The list of duplicates also is removed from the map if it gets empty.\n     */\n    _DuplicateMap.prototype.remove = function (record) {\n        var key = record.trackById;\n        var recordList = this.map.get(key);\n        // Remove the list of duplicates when it gets empty\n        if (recordList.remove(record)) {\n            this.map.delete(key);\n        }\n        return record;\n    };\n    Object.defineProperty(_DuplicateMap.prototype, \"isEmpty\", {\n        get: function () { return this.map.size === 0; },\n        enumerable: true,\n        configurable: true\n    });\n    _DuplicateMap.prototype.clear = function () { this.map.clear(); };\n    return _DuplicateMap;\n}());\nfunction getPreviousIndex(item, addRemoveOffset, moveOffsets) {\n    var previousIndex = item.previousIndex;\n    if (previousIndex === null)\n        return previousIndex;\n    var moveOffset = 0;\n    if (moveOffsets && previousIndex < moveOffsets.length) {\n        moveOffset = moveOffsets[previousIndex];\n    }\n    return previousIndex + addRemoveOffset + moveOffset;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar DefaultKeyValueDifferFactory = /** @class */ (function () {\n    function DefaultKeyValueDifferFactory() {\n    }\n    DefaultKeyValueDifferFactory.prototype.supports = function (obj) { return obj instanceof Map || isJsObject$1(obj); };\n    DefaultKeyValueDifferFactory.prototype.create = function () { return new DefaultKeyValueDiffer(); };\n    return DefaultKeyValueDifferFactory;\n}());\nvar DefaultKeyValueDiffer = /** @class */ (function () {\n    function DefaultKeyValueDiffer() {\n        this._records = new Map();\n        this._mapHead = null;\n        // _appendAfter is used in the check loop\n        this._appendAfter = null;\n        this._previousMapHead = null;\n        this._changesHead = null;\n        this._changesTail = null;\n        this._additionsHead = null;\n        this._additionsTail = null;\n        this._removalsHead = null;\n        this._removalsTail = null;\n    }\n    Object.defineProperty(DefaultKeyValueDiffer.prototype, \"isDirty\", {\n        get: function () {\n            return this._additionsHead !== null || this._changesHead !== null ||\n                this._removalsHead !== null;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    DefaultKeyValueDiffer.prototype.forEachItem = function (fn) {\n        var record;\n        for (record = this._mapHead; record !== null; record = record._next) {\n            fn(record);\n        }\n    };\n    DefaultKeyValueDiffer.prototype.forEachPreviousItem = function (fn) {\n        var record;\n        for (record = this._previousMapHead; record !== null; record = record._nextPrevious) {\n            fn(record);\n        }\n    };\n    DefaultKeyValueDiffer.prototype.forEachChangedItem = function (fn) {\n        var record;\n        for (record = this._changesHead; record !== null; record = record._nextChanged) {\n            fn(record);\n        }\n    };\n    DefaultKeyValueDiffer.prototype.forEachAddedItem = function (fn) {\n        var record;\n        for (record = this._additionsHead; record !== null; record = record._nextAdded) {\n            fn(record);\n        }\n    };\n    DefaultKeyValueDiffer.prototype.forEachRemovedItem = function (fn) {\n        var record;\n        for (record = this._removalsHead; record !== null; record = record._nextRemoved) {\n            fn(record);\n        }\n    };\n    DefaultKeyValueDiffer.prototype.diff = function (map) {\n        if (!map) {\n            map = new Map();\n        }\n        else if (!(map instanceof Map || isJsObject$1(map))) {\n            throw new Error(\"Error trying to diff '\" + stringify(map) + \"'. Only maps and objects are allowed\");\n        }\n        return this.check(map) ? this : null;\n    };\n    DefaultKeyValueDiffer.prototype.onDestroy = function () { };\n    /**\n     * Check the current state of the map vs the previous.\n     * The algorithm is optimised for when the keys do no change.\n     */\n    DefaultKeyValueDiffer.prototype.check = function (map) {\n        var _this = this;\n        this._reset();\n        var insertBefore = this._mapHead;\n        this._appendAfter = null;\n        this._forEach(map, function (value, key) {\n            if (insertBefore && insertBefore.key === key) {\n                _this._maybeAddToChanges(insertBefore, value);\n                _this._appendAfter = insertBefore;\n                insertBefore = insertBefore._next;\n            }\n            else {\n                var record = _this._getOrCreateRecordForKey(key, value);\n                insertBefore = _this._insertBeforeOrAppend(insertBefore, record);\n            }\n        });\n        // Items remaining at the end of the list have been deleted\n        if (insertBefore) {\n            if (insertBefore._prev) {\n                insertBefore._prev._next = null;\n            }\n            this._removalsHead = insertBefore;\n            for (var record = insertBefore; record !== null; record = record._nextRemoved) {\n                if (record === this._mapHead) {\n                    this._mapHead = null;\n                }\n                this._records.delete(record.key);\n                record._nextRemoved = record._next;\n                record.previousValue = record.currentValue;\n                record.currentValue = null;\n                record._prev = null;\n                record._next = null;\n            }\n        }\n        // Make sure tails have no next records from previous runs\n        if (this._changesTail)\n            this._changesTail._nextChanged = null;\n        if (this._additionsTail)\n            this._additionsTail._nextAdded = null;\n        return this.isDirty;\n    };\n    /**\n     * Inserts a record before `before` or append at the end of the list when `before` is null.\n     *\n     * Notes:\n     * - This method appends at `this._appendAfter`,\n     * - This method updates `this._appendAfter`,\n     * - The return value is the new value for the insertion pointer.\n     */\n    DefaultKeyValueDiffer.prototype._insertBeforeOrAppend = function (before, record) {\n        if (before) {\n            var prev = before._prev;\n            record._next = before;\n            record._prev = prev;\n            before._prev = record;\n            if (prev) {\n                prev._next = record;\n            }\n            if (before === this._mapHead) {\n                this._mapHead = record;\n            }\n            this._appendAfter = before;\n            return before;\n        }\n        if (this._appendAfter) {\n            this._appendAfter._next = record;\n            record._prev = this._appendAfter;\n        }\n        else {\n            this._mapHead = record;\n        }\n        this._appendAfter = record;\n        return null;\n    };\n    DefaultKeyValueDiffer.prototype._getOrCreateRecordForKey = function (key, value) {\n        if (this._records.has(key)) {\n            var record_1 = this._records.get(key);\n            this._maybeAddToChanges(record_1, value);\n            var prev = record_1._prev;\n            var next = record_1._next;\n            if (prev) {\n                prev._next = next;\n            }\n            if (next) {\n                next._prev = prev;\n            }\n            record_1._next = null;\n            record_1._prev = null;\n            return record_1;\n        }\n        var record = new KeyValueChangeRecord_(key);\n        this._records.set(key, record);\n        record.currentValue = value;\n        this._addToAdditions(record);\n        return record;\n    };\n    /** @internal */\n    DefaultKeyValueDiffer.prototype._reset = function () {\n        if (this.isDirty) {\n            var record = void 0;\n            // let `_previousMapHead` contain the state of the map before the changes\n            this._previousMapHead = this._mapHead;\n            for (record = this._previousMapHead; record !== null; record = record._next) {\n                record._nextPrevious = record._next;\n            }\n            // Update `record.previousValue` with the value of the item before the changes\n            // We need to update all changed items (that's those which have been added and changed)\n            for (record = this._changesHead; record !== null; record = record._nextChanged) {\n                record.previousValue = record.currentValue;\n            }\n            for (record = this._additionsHead; record != null; record = record._nextAdded) {\n                record.previousValue = record.currentValue;\n            }\n            this._changesHead = this._changesTail = null;\n            this._additionsHead = this._additionsTail = null;\n            this._removalsHead = null;\n        }\n    };\n    // Add the record or a given key to the list of changes only when the value has actually changed\n    DefaultKeyValueDiffer.prototype._maybeAddToChanges = function (record, newValue) {\n        if (!looseIdentical(newValue, record.currentValue)) {\n            record.previousValue = record.currentValue;\n            record.currentValue = newValue;\n            this._addToChanges(record);\n        }\n    };\n    DefaultKeyValueDiffer.prototype._addToAdditions = function (record) {\n        if (this._additionsHead === null) {\n            this._additionsHead = this._additionsTail = record;\n        }\n        else {\n            this._additionsTail._nextAdded = record;\n            this._additionsTail = record;\n        }\n    };\n    DefaultKeyValueDiffer.prototype._addToChanges = function (record) {\n        if (this._changesHead === null) {\n            this._changesHead = this._changesTail = record;\n        }\n        else {\n            this._changesTail._nextChanged = record;\n            this._changesTail = record;\n        }\n    };\n    /** @internal */\n    DefaultKeyValueDiffer.prototype._forEach = function (obj, fn) {\n        if (obj instanceof Map) {\n            obj.forEach(fn);\n        }\n        else {\n            Object.keys(obj).forEach(function (k) { return fn(obj[k], k); });\n        }\n    };\n    return DefaultKeyValueDiffer;\n}());\nvar KeyValueChangeRecord_ = /** @class */ (function () {\n    function KeyValueChangeRecord_(key) {\n        this.key = key;\n        this.previousValue = null;\n        this.currentValue = null;\n        /** @internal */\n        this._nextPrevious = null;\n        /** @internal */\n        this._next = null;\n        /** @internal */\n        this._prev = null;\n        /** @internal */\n        this._nextAdded = null;\n        /** @internal */\n        this._nextRemoved = null;\n        /** @internal */\n        this._nextChanged = null;\n    }\n    return KeyValueChangeRecord_;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A repository of different iterable diffing strategies used by NgFor, NgClass, and others.\n *\n * @publicApi\n */\nvar IterableDiffers = /** @class */ (function () {\n    function IterableDiffers(factories) {\n        this.factories = factories;\n    }\n    IterableDiffers.create = function (factories, parent) {\n        if (parent != null) {\n            var copied = parent.factories.slice();\n            factories = factories.concat(copied);\n        }\n        return new IterableDiffers(factories);\n    };\n    /**\n     * Takes an array of {@link IterableDifferFactory} and returns a provider used to extend the\n     * inherited {@link IterableDiffers} instance with the provided factories and return a new\n     * {@link IterableDiffers} instance.\n     *\n     * @usageNotes\n     * ### Example\n     *\n     * The following example shows how to extend an existing list of factories,\n     * which will only be applied to the injector for this component and its children.\n     * This step is all that's required to make a new {@link IterableDiffer} available.\n     *\n     * ```\n     * @Component({\n     *   viewProviders: [\n     *     IterableDiffers.extend([new ImmutableListDiffer()])\n     *   ]\n     * })\n     * ```\n     */\n    IterableDiffers.extend = function (factories) {\n        return {\n            provide: IterableDiffers,\n            useFactory: function (parent) {\n                if (!parent) {\n                    // Typically would occur when calling IterableDiffers.extend inside of dependencies passed\n                    // to\n                    // bootstrap(), which would override default pipes instead of extending them.\n                    throw new Error('Cannot extend IterableDiffers without a parent injector');\n                }\n                return IterableDiffers.create(factories, parent);\n            },\n            // Dependency technically isn't optional, but we can provide a better error message this way.\n            deps: [[IterableDiffers, new SkipSelf(), new Optional()]]\n        };\n    };\n    IterableDiffers.prototype.find = function (iterable) {\n        var factory = this.factories.find(function (f) { return f.supports(iterable); });\n        if (factory != null) {\n            return factory;\n        }\n        else {\n            throw new Error(\"Cannot find a differ supporting object '\" + iterable + \"' of type '\" + getTypeNameForDebugging(iterable) + \"'\");\n        }\n    };\n    /** @nocollapse */\n    IterableDiffers.ɵprov = ɵɵdefineInjectable({\n        token: IterableDiffers,\n        providedIn: 'root',\n        factory: function () { return new IterableDiffers([new DefaultIterableDifferFactory()]); }\n    });\n    return IterableDiffers;\n}());\nfunction getTypeNameForDebugging(type) {\n    return type['name'] || typeof type;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A repository of different Map diffing strategies used by NgClass, NgStyle, and others.\n *\n * @publicApi\n */\nvar KeyValueDiffers = /** @class */ (function () {\n    function KeyValueDiffers(factories) {\n        this.factories = factories;\n    }\n    KeyValueDiffers.create = function (factories, parent) {\n        if (parent) {\n            var copied = parent.factories.slice();\n            factories = factories.concat(copied);\n        }\n        return new KeyValueDiffers(factories);\n    };\n    /**\n     * Takes an array of {@link KeyValueDifferFactory} and returns a provider used to extend the\n     * inherited {@link KeyValueDiffers} instance with the provided factories and return a new\n     * {@link KeyValueDiffers} instance.\n     *\n     * @usageNotes\n     * ### Example\n     *\n     * The following example shows how to extend an existing list of factories,\n     * which will only be applied to the injector for this component and its children.\n     * This step is all that's required to make a new {@link KeyValueDiffer} available.\n     *\n     * ```\n     * @Component({\n     *   viewProviders: [\n     *     KeyValueDiffers.extend([new ImmutableMapDiffer()])\n     *   ]\n     * })\n     * ```\n     */\n    KeyValueDiffers.extend = function (factories) {\n        return {\n            provide: KeyValueDiffers,\n            useFactory: function (parent) {\n                if (!parent) {\n                    // Typically would occur when calling KeyValueDiffers.extend inside of dependencies passed\n                    // to bootstrap(), which would override default pipes instead of extending them.\n                    throw new Error('Cannot extend KeyValueDiffers without a parent injector');\n                }\n                return KeyValueDiffers.create(factories, parent);\n            },\n            // Dependency technically isn't optional, but we can provide a better error message this way.\n            deps: [[KeyValueDiffers, new SkipSelf(), new Optional()]]\n        };\n    };\n    KeyValueDiffers.prototype.find = function (kv) {\n        var factory = this.factories.find(function (f) { return f.supports(kv); });\n        if (factory) {\n            return factory;\n        }\n        throw new Error(\"Cannot find a differ supporting object '\" + kv + \"'\");\n    };\n    /** @nocollapse */\n    KeyValueDiffers.ɵprov = ɵɵdefineInjectable({\n        token: KeyValueDiffers,\n        providedIn: 'root',\n        factory: function () { return new KeyValueDiffers([new DefaultKeyValueDifferFactory()]); }\n    });\n    return KeyValueDiffers;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Structural diffing for `Object`s and `Map`s.\n */\nvar keyValDiff = [new DefaultKeyValueDifferFactory()];\n/**\n * Structural diffing for `Iterable` types such as `Array`s.\n */\nvar iterableDiff = [new DefaultIterableDifferFactory()];\nvar defaultIterableDiffers = new IterableDiffers(iterableDiff);\nvar defaultKeyValueDiffers = new KeyValueDiffers(keyValDiff);\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Represents an embedded template that can be used to instantiate embedded views.\n * To instantiate embedded views based on a template, use the `ViewContainerRef`\n * method `createEmbeddedView()`.\n *\n * Access a `TemplateRef` instance by placing a directive on an `<ng-template>`\n * element (or directive prefixed with `*`). The `TemplateRef` for the embedded view\n * is injected into the constructor of the directive,\n * using the `TemplateRef` token.\n *\n * You can also use a `Query` to find a `TemplateRef` associated with\n * a component or a directive.\n *\n * @see `ViewContainerRef`\n * @see [Navigate the Component Tree with DI](guide/dependency-injection-navtree)\n *\n * @publicApi\n */\nvar TemplateRef = /** @class */ (function () {\n    function TemplateRef() {\n    }\n    /**\n     * @internal\n     * @nocollapse\n     */\n    TemplateRef.__NG_ELEMENT_ID__ = function () { return SWITCH_TEMPLATE_REF_FACTORY(TemplateRef, ElementRef); };\n    return TemplateRef;\n}());\nvar SWITCH_TEMPLATE_REF_FACTORY__POST_R3__ = injectTemplateRef;\nvar SWITCH_TEMPLATE_REF_FACTORY__PRE_R3__ = noop;\nvar SWITCH_TEMPLATE_REF_FACTORY = SWITCH_TEMPLATE_REF_FACTORY__PRE_R3__;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Represents a container where one or more views can be attached to a component.\n *\n * Can contain *host views* (created by instantiating a\n * component with the `createComponent()` method), and *embedded views*\n * (created by instantiating a `TemplateRef` with the `createEmbeddedView()` method).\n *\n * A view container instance can contain other view containers,\n * creating a [view hierarchy](guide/glossary#view-tree).\n *\n * @see `ComponentRef`\n * @see `EmbeddedViewRef`\n *\n * @publicApi\n */\nvar ViewContainerRef = /** @class */ (function () {\n    function ViewContainerRef() {\n    }\n    /**\n     * @internal\n     * @nocollapse\n     */\n    ViewContainerRef.__NG_ELEMENT_ID__ = function () { return SWITCH_VIEW_CONTAINER_REF_FACTORY(ViewContainerRef, ElementRef); };\n    return ViewContainerRef;\n}());\nvar SWITCH_VIEW_CONTAINER_REF_FACTORY__POST_R3__ = injectViewContainerRef;\nvar SWITCH_VIEW_CONTAINER_REF_FACTORY__PRE_R3__ = noop;\nvar SWITCH_VIEW_CONTAINER_REF_FACTORY = SWITCH_VIEW_CONTAINER_REF_FACTORY__PRE_R3__;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction expressionChangedAfterItHasBeenCheckedError(context, oldValue, currValue, isFirstCheck) {\n    var msg = \"ExpressionChangedAfterItHasBeenCheckedError: Expression has changed after it was checked. Previous value: '\" + oldValue + \"'. Current value: '\" + currValue + \"'.\";\n    if (isFirstCheck) {\n        msg +=\n            \" It seems like the view has been created after its parent and its children have been dirty checked.\" +\n                \" Has it been created in a change detection hook ?\";\n    }\n    return viewDebugError(msg, context);\n}\nfunction viewWrappedDebugError(err, context) {\n    if (!(err instanceof Error)) {\n        // errors that are not Error instances don't have a stack,\n        // so it is ok to wrap them into a new Error object...\n        err = new Error(err.toString());\n    }\n    _addDebugContext(err, context);\n    return err;\n}\nfunction viewDebugError(msg, context) {\n    var err = new Error(msg);\n    _addDebugContext(err, context);\n    return err;\n}\nfunction _addDebugContext(err, context) {\n    err[ERROR_DEBUG_CONTEXT] = context;\n    err[ERROR_LOGGER] = context.logError.bind(context);\n}\nfunction isViewDebugError(err) {\n    return !!getDebugContext(err);\n}\nfunction viewDestroyedError(action) {\n    return new Error(\"ViewDestroyedError: Attempt to use a destroyed view: \" + action);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Called before each cycle of a view's check to detect whether this is in the\n// initState for which we need to call ngOnInit, ngAfterContentInit or ngAfterViewInit\n// lifecycle methods. Returns true if this check cycle should call lifecycle\n// methods.\nfunction shiftInitState(view, priorInitState, newInitState) {\n    // Only update the InitState if we are currently in the prior state.\n    // For example, only move into CallingInit if we are in BeforeInit. Only\n    // move into CallingContentInit if we are in CallingInit. Normally this will\n    // always be true because of how checkCycle is called in checkAndUpdateView.\n    // However, if checkAndUpdateView is called recursively or if an exception is\n    // thrown while checkAndUpdateView is running, checkAndUpdateView starts over\n    // from the beginning. This ensures the state is monotonically increasing,\n    // terminating in the AfterInit state, which ensures the Init methods are called\n    // at least once and only once.\n    var state = view.state;\n    var initState = state & 1792 /* InitState_Mask */;\n    if (initState === priorInitState) {\n        view.state = (state & ~1792 /* InitState_Mask */) | newInitState;\n        view.initIndex = -1;\n        return true;\n    }\n    return initState === newInitState;\n}\n// Returns true if the lifecycle init method should be called for the node with\n// the given init index.\nfunction shouldCallLifecycleInitHook(view, initState, index) {\n    if ((view.state & 1792 /* InitState_Mask */) === initState && view.initIndex <= index) {\n        view.initIndex = index + 1;\n        return true;\n    }\n    return false;\n}\n/**\n * Node instance data.\n *\n * We have a separate type per NodeType to save memory\n * (TextData | ElementData | ProviderData | PureExpressionData | QueryList<any>)\n *\n * To keep our code monomorphic,\n * we prohibit using `NodeData` directly but enforce the use of accessors (`asElementData`, ...).\n * This way, no usage site can get a `NodeData` from view.nodes and then use it for different\n * purposes.\n */\nvar NodeData = /** @class */ (function () {\n    function NodeData() {\n    }\n    return NodeData;\n}());\n/**\n * Accessor for view.nodes, enforcing that every usage site stays monomorphic.\n */\nfunction asTextData(view, index) {\n    return view.nodes[index];\n}\n/**\n * Accessor for view.nodes, enforcing that every usage site stays monomorphic.\n */\nfunction asElementData(view, index) {\n    return view.nodes[index];\n}\n/**\n * Accessor for view.nodes, enforcing that every usage site stays monomorphic.\n */\nfunction asProviderData(view, index) {\n    return view.nodes[index];\n}\n/**\n * Accessor for view.nodes, enforcing that every usage site stays monomorphic.\n */\nfunction asPureExpressionData(view, index) {\n    return view.nodes[index];\n}\n/**\n * Accessor for view.nodes, enforcing that every usage site stays monomorphic.\n */\nfunction asQueryList(view, index) {\n    return view.nodes[index];\n}\nvar DebugContext = /** @class */ (function () {\n    function DebugContext() {\n    }\n    return DebugContext;\n}());\n/**\n * This object is used to prevent cycles in the source files and to have a place where\n * debug mode can hook it. It is lazily filled when `isDevMode` is known.\n */\nvar Services = {\n    setCurrentNode: undefined,\n    createRootView: undefined,\n    createEmbeddedView: undefined,\n    createComponentView: undefined,\n    createNgModuleRef: undefined,\n    overrideProvider: undefined,\n    overrideComponentView: undefined,\n    clearOverrides: undefined,\n    checkAndUpdateView: undefined,\n    checkNoChangesView: undefined,\n    destroyView: undefined,\n    resolveDep: undefined,\n    createDebugContext: undefined,\n    handleEvent: undefined,\n    updateDirectives: undefined,\n    updateRenderer: undefined,\n    dirtyParentQueries: undefined,\n};\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar NOOP = function () { };\nvar _tokenKeyCache = new Map();\nfunction tokenKey(token) {\n    var key = _tokenKeyCache.get(token);\n    if (!key) {\n        key = stringify(token) + '_' + _tokenKeyCache.size;\n        _tokenKeyCache.set(token, key);\n    }\n    return key;\n}\nfunction unwrapValue(view, nodeIdx, bindingIdx, value) {\n    if (WrappedValue.isWrapped(value)) {\n        value = WrappedValue.unwrap(value);\n        var globalBindingIdx = view.def.nodes[nodeIdx].bindingIndex + bindingIdx;\n        var oldValue = WrappedValue.unwrap(view.oldValues[globalBindingIdx]);\n        view.oldValues[globalBindingIdx] = new WrappedValue(oldValue);\n    }\n    return value;\n}\nvar UNDEFINED_RENDERER_TYPE_ID = '$$undefined';\nvar EMPTY_RENDERER_TYPE_ID = '$$empty';\n// Attention: this function is called as top level function.\n// Putting any logic in here will destroy closure tree shaking!\nfunction createRendererType2(values) {\n    return {\n        id: UNDEFINED_RENDERER_TYPE_ID,\n        styles: values.styles,\n        encapsulation: values.encapsulation,\n        data: values.data\n    };\n}\nvar _renderCompCount$1 = 0;\nfunction resolveRendererType2(type) {\n    if (type && type.id === UNDEFINED_RENDERER_TYPE_ID) {\n        // first time we see this RendererType2. Initialize it...\n        var isFilled = ((type.encapsulation != null && type.encapsulation !== ViewEncapsulation$1.None) ||\n            type.styles.length || Object.keys(type.data).length);\n        if (isFilled) {\n            type.id = \"c\" + _renderCompCount$1++;\n        }\n        else {\n            type.id = EMPTY_RENDERER_TYPE_ID;\n        }\n    }\n    if (type && type.id === EMPTY_RENDERER_TYPE_ID) {\n        type = null;\n    }\n    return type || null;\n}\nfunction checkBinding(view, def, bindingIdx, value) {\n    var oldValues = view.oldValues;\n    if ((view.state & 2 /* FirstCheck */) ||\n        !looseIdentical(oldValues[def.bindingIndex + bindingIdx], value)) {\n        return true;\n    }\n    return false;\n}\nfunction checkAndUpdateBinding(view, def, bindingIdx, value) {\n    if (checkBinding(view, def, bindingIdx, value)) {\n        view.oldValues[def.bindingIndex + bindingIdx] = value;\n        return true;\n    }\n    return false;\n}\nfunction checkBindingNoChanges(view, def, bindingIdx, value) {\n    var oldValue = view.oldValues[def.bindingIndex + bindingIdx];\n    if ((view.state & 1 /* BeforeFirstCheck */) || !devModeEqual$1(oldValue, value)) {\n        var bindingName = def.bindings[bindingIdx].name;\n        throw expressionChangedAfterItHasBeenCheckedError(Services.createDebugContext(view, def.nodeIndex), bindingName + \": \" + oldValue, bindingName + \": \" + value, (view.state & 1 /* BeforeFirstCheck */) !== 0);\n    }\n}\nfunction markParentViewsForCheck(view) {\n    var currView = view;\n    while (currView) {\n        if (currView.def.flags & 2 /* OnPush */) {\n            currView.state |= 8 /* ChecksEnabled */;\n        }\n        currView = currView.viewContainerParent || currView.parent;\n    }\n}\nfunction markParentViewsForCheckProjectedViews(view, endView) {\n    var currView = view;\n    while (currView && currView !== endView) {\n        currView.state |= 64 /* CheckProjectedViews */;\n        currView = currView.viewContainerParent || currView.parent;\n    }\n}\nfunction dispatchEvent(view, nodeIndex, eventName, event) {\n    try {\n        var nodeDef = view.def.nodes[nodeIndex];\n        var startView = nodeDef.flags & 33554432 /* ComponentView */ ?\n            asElementData(view, nodeIndex).componentView :\n            view;\n        markParentViewsForCheck(startView);\n        return Services.handleEvent(view, nodeIndex, eventName, event);\n    }\n    catch (e) {\n        // Attention: Don't rethrow, as it would cancel Observable subscriptions!\n        view.root.errorHandler.handleError(e);\n    }\n}\nfunction declaredViewContainer(view) {\n    if (view.parent) {\n        var parentView = view.parent;\n        return asElementData(parentView, view.parentNodeDef.nodeIndex);\n    }\n    return null;\n}\n/**\n * for component views, this is the host element.\n * for embedded views, this is the index of the parent node\n * that contains the view container.\n */\nfunction viewParentEl(view) {\n    var parentView = view.parent;\n    if (parentView) {\n        return view.parentNodeDef.parent;\n    }\n    else {\n        return null;\n    }\n}\nfunction renderNode(view, def) {\n    switch (def.flags & 201347067 /* Types */) {\n        case 1 /* TypeElement */:\n            return asElementData(view, def.nodeIndex).renderElement;\n        case 2 /* TypeText */:\n            return asTextData(view, def.nodeIndex).renderText;\n    }\n}\nfunction elementEventFullName(target, name) {\n    return target ? target + \":\" + name : name;\n}\nfunction isComponentView(view) {\n    return !!view.parent && !!(view.parentNodeDef.flags & 32768 /* Component */);\n}\nfunction isEmbeddedView(view) {\n    return !!view.parent && !(view.parentNodeDef.flags & 32768 /* Component */);\n}\nfunction filterQueryId(queryId) {\n    return 1 << (queryId % 32);\n}\nfunction splitMatchedQueriesDsl(matchedQueriesDsl) {\n    var matchedQueries = {};\n    var matchedQueryIds = 0;\n    var references = {};\n    if (matchedQueriesDsl) {\n        matchedQueriesDsl.forEach(function (_a) {\n            var _b = __read(_a, 2), queryId = _b[0], valueType = _b[1];\n            if (typeof queryId === 'number') {\n                matchedQueries[queryId] = valueType;\n                matchedQueryIds |= filterQueryId(queryId);\n            }\n            else {\n                references[queryId] = valueType;\n            }\n        });\n    }\n    return { matchedQueries: matchedQueries, references: references, matchedQueryIds: matchedQueryIds };\n}\nfunction splitDepsDsl(deps, sourceName) {\n    return deps.map(function (value) {\n        var _a;\n        var token;\n        var flags;\n        if (Array.isArray(value)) {\n            _a = __read(value, 2), flags = _a[0], token = _a[1];\n        }\n        else {\n            flags = 0 /* None */;\n            token = value;\n        }\n        if (token && (typeof token === 'function' || typeof token === 'object') && sourceName) {\n            Object.defineProperty(token, SOURCE, { value: sourceName, configurable: true });\n        }\n        return { flags: flags, token: token, tokenKey: tokenKey(token) };\n    });\n}\nfunction getParentRenderElement(view, renderHost, def) {\n    var renderParent = def.renderParent;\n    if (renderParent) {\n        if ((renderParent.flags & 1 /* TypeElement */) === 0 ||\n            (renderParent.flags & 33554432 /* ComponentView */) === 0 ||\n            (renderParent.element.componentRendererType &&\n                renderParent.element.componentRendererType.encapsulation ===\n                    ViewEncapsulation$1.Native)) {\n            // only children of non components, or children of components with native encapsulation should\n            // be attached.\n            return asElementData(view, def.renderParent.nodeIndex).renderElement;\n        }\n    }\n    else {\n        return renderHost;\n    }\n}\nvar DEFINITION_CACHE = new WeakMap();\nfunction resolveDefinition(factory) {\n    var value = DEFINITION_CACHE.get(factory);\n    if (!value) {\n        value = factory(function () { return NOOP; });\n        value.factory = factory;\n        DEFINITION_CACHE.set(factory, value);\n    }\n    return value;\n}\nfunction rootRenderNodes(view) {\n    var renderNodes = [];\n    visitRootRenderNodes(view, 0 /* Collect */, undefined, undefined, renderNodes);\n    return renderNodes;\n}\nfunction visitRootRenderNodes(view, action, parentNode, nextSibling, target) {\n    // We need to re-compute the parent node in case the nodes have been moved around manually\n    if (action === 3 /* RemoveChild */) {\n        parentNode = view.renderer.parentNode(renderNode(view, view.def.lastRenderRootNode));\n    }\n    visitSiblingRenderNodes(view, action, 0, view.def.nodes.length - 1, parentNode, nextSibling, target);\n}\nfunction visitSiblingRenderNodes(view, action, startIndex, endIndex, parentNode, nextSibling, target) {\n    for (var i = startIndex; i <= endIndex; i++) {\n        var nodeDef = view.def.nodes[i];\n        if (nodeDef.flags & (1 /* TypeElement */ | 2 /* TypeText */ | 8 /* TypeNgContent */)) {\n            visitRenderNode(view, nodeDef, action, parentNode, nextSibling, target);\n        }\n        // jump to next sibling\n        i += nodeDef.childCount;\n    }\n}\nfunction visitProjectedRenderNodes(view, ngContentIndex, action, parentNode, nextSibling, target) {\n    var compView = view;\n    while (compView && !isComponentView(compView)) {\n        compView = compView.parent;\n    }\n    var hostView = compView.parent;\n    var hostElDef = viewParentEl(compView);\n    var startIndex = hostElDef.nodeIndex + 1;\n    var endIndex = hostElDef.nodeIndex + hostElDef.childCount;\n    for (var i = startIndex; i <= endIndex; i++) {\n        var nodeDef = hostView.def.nodes[i];\n        if (nodeDef.ngContentIndex === ngContentIndex) {\n            visitRenderNode(hostView, nodeDef, action, parentNode, nextSibling, target);\n        }\n        // jump to next sibling\n        i += nodeDef.childCount;\n    }\n    if (!hostView.parent) {\n        // a root view\n        var projectedNodes = view.root.projectableNodes[ngContentIndex];\n        if (projectedNodes) {\n            for (var i = 0; i < projectedNodes.length; i++) {\n                execRenderNodeAction(view, projectedNodes[i], action, parentNode, nextSibling, target);\n            }\n        }\n    }\n}\nfunction visitRenderNode(view, nodeDef, action, parentNode, nextSibling, target) {\n    if (nodeDef.flags & 8 /* TypeNgContent */) {\n        visitProjectedRenderNodes(view, nodeDef.ngContent.index, action, parentNode, nextSibling, target);\n    }\n    else {\n        var rn = renderNode(view, nodeDef);\n        if (action === 3 /* RemoveChild */ && (nodeDef.flags & 33554432 /* ComponentView */) &&\n            (nodeDef.bindingFlags & 48 /* CatSyntheticProperty */)) {\n            // Note: we might need to do both actions.\n            if (nodeDef.bindingFlags & (16 /* SyntheticProperty */)) {\n                execRenderNodeAction(view, rn, action, parentNode, nextSibling, target);\n            }\n            if (nodeDef.bindingFlags & (32 /* SyntheticHostProperty */)) {\n                var compView = asElementData(view, nodeDef.nodeIndex).componentView;\n                execRenderNodeAction(compView, rn, action, parentNode, nextSibling, target);\n            }\n        }\n        else {\n            execRenderNodeAction(view, rn, action, parentNode, nextSibling, target);\n        }\n        if (nodeDef.flags & 16777216 /* EmbeddedViews */) {\n            var embeddedViews = asElementData(view, nodeDef.nodeIndex).viewContainer._embeddedViews;\n            for (var k = 0; k < embeddedViews.length; k++) {\n                visitRootRenderNodes(embeddedViews[k], action, parentNode, nextSibling, target);\n            }\n        }\n        if (nodeDef.flags & 1 /* TypeElement */ && !nodeDef.element.name) {\n            visitSiblingRenderNodes(view, action, nodeDef.nodeIndex + 1, nodeDef.nodeIndex + nodeDef.childCount, parentNode, nextSibling, target);\n        }\n    }\n}\nfunction execRenderNodeAction(view, renderNode, action, parentNode, nextSibling, target) {\n    var renderer = view.renderer;\n    switch (action) {\n        case 1 /* AppendChild */:\n            renderer.appendChild(parentNode, renderNode);\n            break;\n        case 2 /* InsertBefore */:\n            renderer.insertBefore(parentNode, renderNode, nextSibling);\n            break;\n        case 3 /* RemoveChild */:\n            renderer.removeChild(parentNode, renderNode);\n            break;\n        case 0 /* Collect */:\n            target.push(renderNode);\n            break;\n    }\n}\nvar NS_PREFIX_RE = /^:([^:]+):(.+)$/;\nfunction splitNamespace(name) {\n    if (name[0] === ':') {\n        var match = name.match(NS_PREFIX_RE);\n        return [match[1], match[2]];\n    }\n    return ['', name];\n}\nfunction calcBindingFlags(bindings) {\n    var flags = 0;\n    for (var i = 0; i < bindings.length; i++) {\n        flags |= bindings[i].flags;\n    }\n    return flags;\n}\nfunction interpolate(valueCount, constAndInterp) {\n    var result = '';\n    for (var i = 0; i < valueCount * 2; i = i + 2) {\n        result = result + constAndInterp[i] + _toStringWithNull(constAndInterp[i + 1]);\n    }\n    return result + constAndInterp[valueCount * 2];\n}\nfunction inlineInterpolate(valueCount, c0, a1, c1, a2, c2, a3, c3, a4, c4, a5, c5, a6, c6, a7, c7, a8, c8, a9, c9) {\n    switch (valueCount) {\n        case 1:\n            return c0 + _toStringWithNull(a1) + c1;\n        case 2:\n            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2;\n        case 3:\n            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +\n                c3;\n        case 4:\n            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +\n                c3 + _toStringWithNull(a4) + c4;\n        case 5:\n            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +\n                c3 + _toStringWithNull(a4) + c4 + _toStringWithNull(a5) + c5;\n        case 6:\n            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +\n                c3 + _toStringWithNull(a4) + c4 + _toStringWithNull(a5) + c5 + _toStringWithNull(a6) + c6;\n        case 7:\n            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +\n                c3 + _toStringWithNull(a4) + c4 + _toStringWithNull(a5) + c5 + _toStringWithNull(a6) +\n                c6 + _toStringWithNull(a7) + c7;\n        case 8:\n            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +\n                c3 + _toStringWithNull(a4) + c4 + _toStringWithNull(a5) + c5 + _toStringWithNull(a6) +\n                c6 + _toStringWithNull(a7) + c7 + _toStringWithNull(a8) + c8;\n        case 9:\n            return c0 + _toStringWithNull(a1) + c1 + _toStringWithNull(a2) + c2 + _toStringWithNull(a3) +\n                c3 + _toStringWithNull(a4) + c4 + _toStringWithNull(a5) + c5 + _toStringWithNull(a6) +\n                c6 + _toStringWithNull(a7) + c7 + _toStringWithNull(a8) + c8 + _toStringWithNull(a9) + c9;\n        default:\n            throw new Error(\"Does not support more than 9 expressions\");\n    }\n}\nfunction _toStringWithNull(v) {\n    return v != null ? v.toString() : '';\n}\nvar EMPTY_ARRAY$4 = [];\nvar EMPTY_MAP = {};\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar UNDEFINED_VALUE = {};\nvar InjectorRefTokenKey = tokenKey(Injector);\nvar INJECTORRefTokenKey = tokenKey(INJECTOR);\nvar NgModuleRefTokenKey = tokenKey(NgModuleRef);\nfunction moduleProvideDef(flags, token, value, deps) {\n    // Need to resolve forwardRefs as e.g. for `useValue` we\n    // lowered the expression and then stopped evaluating it,\n    // i.e. also didn't unwrap it.\n    value = resolveForwardRef(value);\n    var depDefs = splitDepsDsl(deps, stringify(token));\n    return {\n        // will bet set by the module definition\n        index: -1,\n        deps: depDefs, flags: flags, token: token, value: value\n    };\n}\nfunction moduleDef(providers) {\n    var providersByKey = {};\n    var modules = [];\n    var scope = null;\n    for (var i = 0; i < providers.length; i++) {\n        var provider = providers[i];\n        if (provider.token === INJECTOR_SCOPE) {\n            scope = provider.value;\n        }\n        if (provider.flags & 1073741824 /* TypeNgModule */) {\n            modules.push(provider.token);\n        }\n        provider.index = i;\n        providersByKey[tokenKey(provider.token)] = provider;\n    }\n    return {\n        // Will be filled later...\n        factory: null,\n        providersByKey: providersByKey,\n        providers: providers,\n        modules: modules,\n        scope: scope,\n    };\n}\nfunction initNgModule(data) {\n    var def = data._def;\n    var providers = data._providers = newArray(def.providers.length);\n    for (var i = 0; i < def.providers.length; i++) {\n        var provDef = def.providers[i];\n        if (!(provDef.flags & 4096 /* LazyProvider */)) {\n            // Make sure the provider has not been already initialized outside this loop.\n            if (providers[i] === undefined) {\n                providers[i] = _createProviderInstance(data, provDef);\n            }\n        }\n    }\n}\nfunction resolveNgModuleDep(data, depDef, notFoundValue) {\n    if (notFoundValue === void 0) { notFoundValue = Injector.THROW_IF_NOT_FOUND; }\n    var former = setCurrentInjector(data);\n    try {\n        if (depDef.flags & 8 /* Value */) {\n            return depDef.token;\n        }\n        if (depDef.flags & 2 /* Optional */) {\n            notFoundValue = null;\n        }\n        if (depDef.flags & 1 /* SkipSelf */) {\n            return data._parent.get(depDef.token, notFoundValue);\n        }\n        var tokenKey_1 = depDef.tokenKey;\n        switch (tokenKey_1) {\n            case InjectorRefTokenKey:\n            case INJECTORRefTokenKey:\n            case NgModuleRefTokenKey:\n                return data;\n        }\n        var providerDef = data._def.providersByKey[tokenKey_1];\n        var injectableDef = void 0;\n        if (providerDef) {\n            var providerInstance = data._providers[providerDef.index];\n            if (providerInstance === undefined) {\n                providerInstance = data._providers[providerDef.index] =\n                    _createProviderInstance(data, providerDef);\n            }\n            return providerInstance === UNDEFINED_VALUE ? undefined : providerInstance;\n        }\n        else if ((injectableDef = getInjectableDef(depDef.token)) && targetsModule(data, injectableDef)) {\n            var index = data._providers.length;\n            data._def.providers[index] = data._def.providersByKey[depDef.tokenKey] = {\n                flags: 1024 /* TypeFactoryProvider */ | 4096 /* LazyProvider */,\n                value: injectableDef.factory,\n                deps: [], index: index,\n                token: depDef.token,\n            };\n            data._providers[index] = UNDEFINED_VALUE;\n            return (data._providers[index] =\n                _createProviderInstance(data, data._def.providersByKey[depDef.tokenKey]));\n        }\n        else if (depDef.flags & 4 /* Self */) {\n            return notFoundValue;\n        }\n        return data._parent.get(depDef.token, notFoundValue);\n    }\n    finally {\n        setCurrentInjector(former);\n    }\n}\nfunction moduleTransitivelyPresent(ngModule, scope) {\n    return ngModule._def.modules.indexOf(scope) > -1;\n}\nfunction targetsModule(ngModule, def) {\n    var providedIn = def.providedIn;\n    return providedIn != null && (providedIn === 'any' || providedIn === ngModule._def.scope ||\n        moduleTransitivelyPresent(ngModule, providedIn));\n}\nfunction _createProviderInstance(ngModule, providerDef) {\n    var injectable;\n    switch (providerDef.flags & 201347067 /* Types */) {\n        case 512 /* TypeClassProvider */:\n            injectable = _createClass(ngModule, providerDef.value, providerDef.deps);\n            break;\n        case 1024 /* TypeFactoryProvider */:\n            injectable = _callFactory(ngModule, providerDef.value, providerDef.deps);\n            break;\n        case 2048 /* TypeUseExistingProvider */:\n            injectable = resolveNgModuleDep(ngModule, providerDef.deps[0]);\n            break;\n        case 256 /* TypeValueProvider */:\n            injectable = providerDef.value;\n            break;\n    }\n    // The read of `ngOnDestroy` here is slightly expensive as it's megamorphic, so it should be\n    // avoided if possible. The sequence of checks here determines whether ngOnDestroy needs to be\n    // checked. It might not if the `injectable` isn't an object or if NodeFlags.OnDestroy is already\n    // set (ngOnDestroy was detected statically).\n    if (injectable !== UNDEFINED_VALUE && injectable !== null && typeof injectable === 'object' &&\n        !(providerDef.flags & 131072 /* OnDestroy */) && typeof injectable.ngOnDestroy === 'function') {\n        providerDef.flags |= 131072 /* OnDestroy */;\n    }\n    return injectable === undefined ? UNDEFINED_VALUE : injectable;\n}\nfunction _createClass(ngModule, ctor, deps) {\n    var len = deps.length;\n    switch (len) {\n        case 0:\n            return new ctor();\n        case 1:\n            return new ctor(resolveNgModuleDep(ngModule, deps[0]));\n        case 2:\n            return new ctor(resolveNgModuleDep(ngModule, deps[0]), resolveNgModuleDep(ngModule, deps[1]));\n        case 3:\n            return new ctor(resolveNgModuleDep(ngModule, deps[0]), resolveNgModuleDep(ngModule, deps[1]), resolveNgModuleDep(ngModule, deps[2]));\n        default:\n            var depValues = [];\n            for (var i = 0; i < len; i++) {\n                depValues[i] = resolveNgModuleDep(ngModule, deps[i]);\n            }\n            return new (ctor.bind.apply(ctor, __spread([void 0], depValues)))();\n    }\n}\nfunction _callFactory(ngModule, factory, deps) {\n    var len = deps.length;\n    switch (len) {\n        case 0:\n            return factory();\n        case 1:\n            return factory(resolveNgModuleDep(ngModule, deps[0]));\n        case 2:\n            return factory(resolveNgModuleDep(ngModule, deps[0]), resolveNgModuleDep(ngModule, deps[1]));\n        case 3:\n            return factory(resolveNgModuleDep(ngModule, deps[0]), resolveNgModuleDep(ngModule, deps[1]), resolveNgModuleDep(ngModule, deps[2]));\n        default:\n            var depValues = [];\n            for (var i = 0; i < len; i++) {\n                depValues[i] = resolveNgModuleDep(ngModule, deps[i]);\n            }\n            return factory.apply(void 0, __spread(depValues));\n    }\n}\nfunction callNgModuleLifecycle(ngModule, lifecycles) {\n    var def = ngModule._def;\n    var destroyed = new Set();\n    for (var i = 0; i < def.providers.length; i++) {\n        var provDef = def.providers[i];\n        if (provDef.flags & 131072 /* OnDestroy */) {\n            var instance = ngModule._providers[i];\n            if (instance && instance !== UNDEFINED_VALUE) {\n                var onDestroy = instance.ngOnDestroy;\n                if (typeof onDestroy === 'function' && !destroyed.has(instance)) {\n                    onDestroy.apply(instance);\n                    destroyed.add(instance);\n                }\n            }\n        }\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction attachEmbeddedView(parentView, elementData, viewIndex, view) {\n    var embeddedViews = elementData.viewContainer._embeddedViews;\n    if (viewIndex === null || viewIndex === undefined) {\n        viewIndex = embeddedViews.length;\n    }\n    view.viewContainerParent = parentView;\n    addToArray(embeddedViews, viewIndex, view);\n    attachProjectedView(elementData, view);\n    Services.dirtyParentQueries(view);\n    var prevView = viewIndex > 0 ? embeddedViews[viewIndex - 1] : null;\n    renderAttachEmbeddedView(elementData, prevView, view);\n}\nfunction attachProjectedView(vcElementData, view) {\n    var dvcElementData = declaredViewContainer(view);\n    if (!dvcElementData || dvcElementData === vcElementData ||\n        view.state & 16 /* IsProjectedView */) {\n        return;\n    }\n    // Note: For performance reasons, we\n    // - add a view to template._projectedViews only 1x throughout its lifetime,\n    //   and remove it not until the view is destroyed.\n    //   (hard, as when a parent view is attached/detached we would need to attach/detach all\n    //    nested projected views as well, even across component boundaries).\n    // - don't track the insertion order of views in the projected views array\n    //   (hard, as when the views of the same template are inserted different view containers)\n    view.state |= 16 /* IsProjectedView */;\n    var projectedViews = dvcElementData.template._projectedViews;\n    if (!projectedViews) {\n        projectedViews = dvcElementData.template._projectedViews = [];\n    }\n    projectedViews.push(view);\n    // Note: we are changing the NodeDef here as we cannot calculate\n    // the fact whether a template is used for projection during compilation.\n    markNodeAsProjectedTemplate(view.parent.def, view.parentNodeDef);\n}\nfunction markNodeAsProjectedTemplate(viewDef, nodeDef) {\n    if (nodeDef.flags & 4 /* ProjectedTemplate */) {\n        return;\n    }\n    viewDef.nodeFlags |= 4 /* ProjectedTemplate */;\n    nodeDef.flags |= 4 /* ProjectedTemplate */;\n    var parentNodeDef = nodeDef.parent;\n    while (parentNodeDef) {\n        parentNodeDef.childFlags |= 4 /* ProjectedTemplate */;\n        parentNodeDef = parentNodeDef.parent;\n    }\n}\nfunction detachEmbeddedView(elementData, viewIndex) {\n    var embeddedViews = elementData.viewContainer._embeddedViews;\n    if (viewIndex == null || viewIndex >= embeddedViews.length) {\n        viewIndex = embeddedViews.length - 1;\n    }\n    if (viewIndex < 0) {\n        return null;\n    }\n    var view = embeddedViews[viewIndex];\n    view.viewContainerParent = null;\n    removeFromArray(embeddedViews, viewIndex);\n    // See attachProjectedView for why we don't update projectedViews here.\n    Services.dirtyParentQueries(view);\n    renderDetachView$1(view);\n    return view;\n}\nfunction detachProjectedView(view) {\n    if (!(view.state & 16 /* IsProjectedView */)) {\n        return;\n    }\n    var dvcElementData = declaredViewContainer(view);\n    if (dvcElementData) {\n        var projectedViews = dvcElementData.template._projectedViews;\n        if (projectedViews) {\n            removeFromArray(projectedViews, projectedViews.indexOf(view));\n            Services.dirtyParentQueries(view);\n        }\n    }\n}\nfunction moveEmbeddedView(elementData, oldViewIndex, newViewIndex) {\n    var embeddedViews = elementData.viewContainer._embeddedViews;\n    var view = embeddedViews[oldViewIndex];\n    removeFromArray(embeddedViews, oldViewIndex);\n    if (newViewIndex == null) {\n        newViewIndex = embeddedViews.length;\n    }\n    addToArray(embeddedViews, newViewIndex, view);\n    // Note: Don't need to change projectedViews as the order in there\n    // as always invalid...\n    Services.dirtyParentQueries(view);\n    renderDetachView$1(view);\n    var prevView = newViewIndex > 0 ? embeddedViews[newViewIndex - 1] : null;\n    renderAttachEmbeddedView(elementData, prevView, view);\n    return view;\n}\nfunction renderAttachEmbeddedView(elementData, prevView, view) {\n    var prevRenderNode = prevView ? renderNode(prevView, prevView.def.lastRenderRootNode) :\n        elementData.renderElement;\n    var parentNode = view.renderer.parentNode(prevRenderNode);\n    var nextSibling = view.renderer.nextSibling(prevRenderNode);\n    // Note: We can't check if `nextSibling` is present, as on WebWorkers it will always be!\n    // However, browsers automatically do `appendChild` when there is no `nextSibling`.\n    visitRootRenderNodes(view, 2 /* InsertBefore */, parentNode, nextSibling, undefined);\n}\nfunction renderDetachView$1(view) {\n    visitRootRenderNodes(view, 3 /* RemoveChild */, null, null, undefined);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar EMPTY_CONTEXT = {};\n// Attention: this function is called as top level function.\n// Putting any logic in here will destroy closure tree shaking!\nfunction createComponentFactory(selector, componentType, viewDefFactory, inputs, outputs, ngContentSelectors) {\n    return new ComponentFactory_(selector, componentType, viewDefFactory, inputs, outputs, ngContentSelectors);\n}\nfunction getComponentViewDefinitionFactory(componentFactory) {\n    return componentFactory.viewDefFactory;\n}\nvar ComponentFactory_ = /** @class */ (function (_super) {\n    __extends(ComponentFactory_, _super);\n    function ComponentFactory_(selector, componentType, viewDefFactory, _inputs, _outputs, ngContentSelectors) {\n        var _this = \n        // Attention: this ctor is called as top level function.\n        // Putting any logic in here will destroy closure tree shaking!\n        _super.call(this) || this;\n        _this.selector = selector;\n        _this.componentType = componentType;\n        _this._inputs = _inputs;\n        _this._outputs = _outputs;\n        _this.ngContentSelectors = ngContentSelectors;\n        _this.viewDefFactory = viewDefFactory;\n        return _this;\n    }\n    Object.defineProperty(ComponentFactory_.prototype, \"inputs\", {\n        get: function () {\n            var inputsArr = [];\n            var inputs = this._inputs;\n            for (var propName in inputs) {\n                var templateName = inputs[propName];\n                inputsArr.push({ propName: propName, templateName: templateName });\n            }\n            return inputsArr;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ComponentFactory_.prototype, \"outputs\", {\n        get: function () {\n            var outputsArr = [];\n            for (var propName in this._outputs) {\n                var templateName = this._outputs[propName];\n                outputsArr.push({ propName: propName, templateName: templateName });\n            }\n            return outputsArr;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Creates a new component.\n     */\n    ComponentFactory_.prototype.create = function (injector, projectableNodes, rootSelectorOrNode, ngModule) {\n        if (!ngModule) {\n            throw new Error('ngModule should be provided');\n        }\n        var viewDef = resolveDefinition(this.viewDefFactory);\n        var componentNodeIndex = viewDef.nodes[0].element.componentProvider.nodeIndex;\n        var view = Services.createRootView(injector, projectableNodes || [], rootSelectorOrNode, viewDef, ngModule, EMPTY_CONTEXT);\n        var component = asProviderData(view, componentNodeIndex).instance;\n        if (rootSelectorOrNode) {\n            view.renderer.setAttribute(asElementData(view, 0).renderElement, 'ng-version', VERSION.full);\n        }\n        return new ComponentRef_(view, new ViewRef_(view), component);\n    };\n    return ComponentFactory_;\n}(ComponentFactory));\nvar ComponentRef_ = /** @class */ (function (_super) {\n    __extends(ComponentRef_, _super);\n    function ComponentRef_(_view, _viewRef, _component) {\n        var _this = _super.call(this) || this;\n        _this._view = _view;\n        _this._viewRef = _viewRef;\n        _this._component = _component;\n        _this._elDef = _this._view.def.nodes[0];\n        _this.hostView = _viewRef;\n        _this.changeDetectorRef = _viewRef;\n        _this.instance = _component;\n        return _this;\n    }\n    Object.defineProperty(ComponentRef_.prototype, \"location\", {\n        get: function () {\n            return new ElementRef(asElementData(this._view, this._elDef.nodeIndex).renderElement);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ComponentRef_.prototype, \"injector\", {\n        get: function () { return new Injector_(this._view, this._elDef); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ComponentRef_.prototype, \"componentType\", {\n        get: function () { return this._component.constructor; },\n        enumerable: true,\n        configurable: true\n    });\n    ComponentRef_.prototype.destroy = function () { this._viewRef.destroy(); };\n    ComponentRef_.prototype.onDestroy = function (callback) { this._viewRef.onDestroy(callback); };\n    return ComponentRef_;\n}(ComponentRef));\nfunction createViewContainerData(view, elDef, elData) {\n    return new ViewContainerRef_(view, elDef, elData);\n}\nvar ViewContainerRef_ = /** @class */ (function () {\n    function ViewContainerRef_(_view, _elDef, _data) {\n        this._view = _view;\n        this._elDef = _elDef;\n        this._data = _data;\n        /**\n         * @internal\n         */\n        this._embeddedViews = [];\n    }\n    Object.defineProperty(ViewContainerRef_.prototype, \"element\", {\n        get: function () { return new ElementRef(this._data.renderElement); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ViewContainerRef_.prototype, \"injector\", {\n        get: function () { return new Injector_(this._view, this._elDef); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ViewContainerRef_.prototype, \"parentInjector\", {\n        /** @deprecated No replacement */\n        get: function () {\n            var view = this._view;\n            var elDef = this._elDef.parent;\n            while (!elDef && view) {\n                elDef = viewParentEl(view);\n                view = view.parent;\n            }\n            return view ? new Injector_(view, elDef) : new Injector_(this._view, null);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    ViewContainerRef_.prototype.clear = function () {\n        var len = this._embeddedViews.length;\n        for (var i = len - 1; i >= 0; i--) {\n            var view = detachEmbeddedView(this._data, i);\n            Services.destroyView(view);\n        }\n    };\n    ViewContainerRef_.prototype.get = function (index) {\n        var view = this._embeddedViews[index];\n        if (view) {\n            var ref = new ViewRef_(view);\n            ref.attachToViewContainerRef(this);\n            return ref;\n        }\n        return null;\n    };\n    Object.defineProperty(ViewContainerRef_.prototype, \"length\", {\n        get: function () { return this._embeddedViews.length; },\n        enumerable: true,\n        configurable: true\n    });\n    ViewContainerRef_.prototype.createEmbeddedView = function (templateRef, context, index) {\n        var viewRef = templateRef.createEmbeddedView(context || {});\n        this.insert(viewRef, index);\n        return viewRef;\n    };\n    ViewContainerRef_.prototype.createComponent = function (componentFactory, index, injector, projectableNodes, ngModuleRef) {\n        var contextInjector = injector || this.parentInjector;\n        if (!ngModuleRef && !(componentFactory instanceof ComponentFactoryBoundToModule)) {\n            ngModuleRef = contextInjector.get(NgModuleRef);\n        }\n        var componentRef = componentFactory.create(contextInjector, projectableNodes, undefined, ngModuleRef);\n        this.insert(componentRef.hostView, index);\n        return componentRef;\n    };\n    ViewContainerRef_.prototype.insert = function (viewRef, index) {\n        if (viewRef.destroyed) {\n            throw new Error('Cannot insert a destroyed View in a ViewContainer!');\n        }\n        var viewRef_ = viewRef;\n        var viewData = viewRef_._view;\n        attachEmbeddedView(this._view, this._data, index, viewData);\n        viewRef_.attachToViewContainerRef(this);\n        return viewRef;\n    };\n    ViewContainerRef_.prototype.move = function (viewRef, currentIndex) {\n        if (viewRef.destroyed) {\n            throw new Error('Cannot move a destroyed View in a ViewContainer!');\n        }\n        var previousIndex = this._embeddedViews.indexOf(viewRef._view);\n        moveEmbeddedView(this._data, previousIndex, currentIndex);\n        return viewRef;\n    };\n    ViewContainerRef_.prototype.indexOf = function (viewRef) {\n        return this._embeddedViews.indexOf(viewRef._view);\n    };\n    ViewContainerRef_.prototype.remove = function (index) {\n        var viewData = detachEmbeddedView(this._data, index);\n        if (viewData) {\n            Services.destroyView(viewData);\n        }\n    };\n    ViewContainerRef_.prototype.detach = function (index) {\n        var view = detachEmbeddedView(this._data, index);\n        return view ? new ViewRef_(view) : null;\n    };\n    return ViewContainerRef_;\n}());\nfunction createChangeDetectorRef(view) {\n    return new ViewRef_(view);\n}\nvar ViewRef_ = /** @class */ (function () {\n    function ViewRef_(_view) {\n        this._view = _view;\n        this._viewContainerRef = null;\n        this._appRef = null;\n    }\n    Object.defineProperty(ViewRef_.prototype, \"rootNodes\", {\n        get: function () { return rootRenderNodes(this._view); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ViewRef_.prototype, \"context\", {\n        get: function () { return this._view.context; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ViewRef_.prototype, \"destroyed\", {\n        get: function () { return (this._view.state & 128 /* Destroyed */) !== 0; },\n        enumerable: true,\n        configurable: true\n    });\n    ViewRef_.prototype.markForCheck = function () { markParentViewsForCheck(this._view); };\n    ViewRef_.prototype.detach = function () { this._view.state &= ~4 /* Attached */; };\n    ViewRef_.prototype.detectChanges = function () {\n        var fs = this._view.root.rendererFactory;\n        if (fs.begin) {\n            fs.begin();\n        }\n        try {\n            Services.checkAndUpdateView(this._view);\n        }\n        finally {\n            if (fs.end) {\n                fs.end();\n            }\n        }\n    };\n    ViewRef_.prototype.checkNoChanges = function () { Services.checkNoChangesView(this._view); };\n    ViewRef_.prototype.reattach = function () { this._view.state |= 4 /* Attached */; };\n    ViewRef_.prototype.onDestroy = function (callback) {\n        if (!this._view.disposables) {\n            this._view.disposables = [];\n        }\n        this._view.disposables.push(callback);\n    };\n    ViewRef_.prototype.destroy = function () {\n        if (this._appRef) {\n            this._appRef.detachView(this);\n        }\n        else if (this._viewContainerRef) {\n            this._viewContainerRef.detach(this._viewContainerRef.indexOf(this));\n        }\n        Services.destroyView(this._view);\n    };\n    ViewRef_.prototype.detachFromAppRef = function () {\n        this._appRef = null;\n        renderDetachView$1(this._view);\n        Services.dirtyParentQueries(this._view);\n    };\n    ViewRef_.prototype.attachToAppRef = function (appRef) {\n        if (this._viewContainerRef) {\n            throw new Error('This view is already attached to a ViewContainer!');\n        }\n        this._appRef = appRef;\n    };\n    ViewRef_.prototype.attachToViewContainerRef = function (vcRef) {\n        if (this._appRef) {\n            throw new Error('This view is already attached directly to the ApplicationRef!');\n        }\n        this._viewContainerRef = vcRef;\n    };\n    return ViewRef_;\n}());\nfunction createTemplateData(view, def) {\n    return new TemplateRef_(view, def);\n}\nvar TemplateRef_ = /** @class */ (function (_super) {\n    __extends(TemplateRef_, _super);\n    function TemplateRef_(_parentView, _def) {\n        var _this = _super.call(this) || this;\n        _this._parentView = _parentView;\n        _this._def = _def;\n        return _this;\n    }\n    TemplateRef_.prototype.createEmbeddedView = function (context) {\n        return new ViewRef_(Services.createEmbeddedView(this._parentView, this._def, this._def.element.template, context));\n    };\n    Object.defineProperty(TemplateRef_.prototype, \"elementRef\", {\n        get: function () {\n            return new ElementRef(asElementData(this._parentView, this._def.nodeIndex).renderElement);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    return TemplateRef_;\n}(TemplateRef));\nfunction createInjector$1(view, elDef) {\n    return new Injector_(view, elDef);\n}\nvar Injector_ = /** @class */ (function () {\n    function Injector_(view, elDef) {\n        this.view = view;\n        this.elDef = elDef;\n    }\n    Injector_.prototype.get = function (token, notFoundValue) {\n        if (notFoundValue === void 0) { notFoundValue = Injector.THROW_IF_NOT_FOUND; }\n        var allowPrivateServices = this.elDef ? (this.elDef.flags & 33554432 /* ComponentView */) !== 0 : false;\n        return Services.resolveDep(this.view, this.elDef, allowPrivateServices, { flags: 0 /* None */, token: token, tokenKey: tokenKey(token) }, notFoundValue);\n    };\n    return Injector_;\n}());\nfunction nodeValue(view, index) {\n    var def = view.def.nodes[index];\n    if (def.flags & 1 /* TypeElement */) {\n        var elData = asElementData(view, def.nodeIndex);\n        return def.element.template ? elData.template : elData.renderElement;\n    }\n    else if (def.flags & 2 /* TypeText */) {\n        return asTextData(view, def.nodeIndex).renderText;\n    }\n    else if (def.flags & (20224 /* CatProvider */ | 16 /* TypePipe */)) {\n        return asProviderData(view, def.nodeIndex).instance;\n    }\n    throw new Error(\"Illegal state: read nodeValue for node index \" + index);\n}\nfunction createNgModuleRef(moduleType, parent, bootstrapComponents, def) {\n    return new NgModuleRef_(moduleType, parent, bootstrapComponents, def);\n}\nvar NgModuleRef_ = /** @class */ (function () {\n    function NgModuleRef_(_moduleType, _parent, _bootstrapComponents, _def) {\n        this._moduleType = _moduleType;\n        this._parent = _parent;\n        this._bootstrapComponents = _bootstrapComponents;\n        this._def = _def;\n        this._destroyListeners = [];\n        this._destroyed = false;\n        this.injector = this;\n        initNgModule(this);\n    }\n    NgModuleRef_.prototype.get = function (token, notFoundValue, injectFlags) {\n        if (notFoundValue === void 0) { notFoundValue = Injector.THROW_IF_NOT_FOUND; }\n        if (injectFlags === void 0) { injectFlags = InjectFlags.Default; }\n        var flags = 0 /* None */;\n        if (injectFlags & InjectFlags.SkipSelf) {\n            flags |= 1 /* SkipSelf */;\n        }\n        else if (injectFlags & InjectFlags.Self) {\n            flags |= 4 /* Self */;\n        }\n        return resolveNgModuleDep(this, { token: token, tokenKey: tokenKey(token), flags: flags }, notFoundValue);\n    };\n    Object.defineProperty(NgModuleRef_.prototype, \"instance\", {\n        get: function () { return this.get(this._moduleType); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgModuleRef_.prototype, \"componentFactoryResolver\", {\n        get: function () { return this.get(ComponentFactoryResolver); },\n        enumerable: true,\n        configurable: true\n    });\n    NgModuleRef_.prototype.destroy = function () {\n        if (this._destroyed) {\n            throw new Error(\"The ng module \" + stringify(this.instance.constructor) + \" has already been destroyed.\");\n        }\n        this._destroyed = true;\n        callNgModuleLifecycle(this, 131072 /* OnDestroy */);\n        this._destroyListeners.forEach(function (listener) { return listener(); });\n    };\n    NgModuleRef_.prototype.onDestroy = function (callback) { this._destroyListeners.push(callback); };\n    return NgModuleRef_;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar Renderer2TokenKey = tokenKey(Renderer2);\nvar ElementRefTokenKey = tokenKey(ElementRef);\nvar ViewContainerRefTokenKey = tokenKey(ViewContainerRef);\nvar TemplateRefTokenKey = tokenKey(TemplateRef);\nvar ChangeDetectorRefTokenKey = tokenKey(ChangeDetectorRef);\nvar InjectorRefTokenKey$1 = tokenKey(Injector);\nvar INJECTORRefTokenKey$1 = tokenKey(INJECTOR);\nfunction directiveDef(checkIndex, flags, matchedQueries, childCount, ctor, deps, props, outputs) {\n    var bindings = [];\n    if (props) {\n        for (var prop in props) {\n            var _a = __read(props[prop], 2), bindingIndex = _a[0], nonMinifiedName = _a[1];\n            bindings[bindingIndex] = {\n                flags: 8 /* TypeProperty */,\n                name: prop, nonMinifiedName: nonMinifiedName,\n                ns: null,\n                securityContext: null,\n                suffix: null\n            };\n        }\n    }\n    var outputDefs = [];\n    if (outputs) {\n        for (var propName in outputs) {\n            outputDefs.push({ type: 1 /* DirectiveOutput */, propName: propName, target: null, eventName: outputs[propName] });\n        }\n    }\n    flags |= 16384 /* TypeDirective */;\n    return _def(checkIndex, flags, matchedQueries, childCount, ctor, ctor, deps, bindings, outputDefs);\n}\nfunction pipeDef(flags, ctor, deps) {\n    flags |= 16 /* TypePipe */;\n    return _def(-1, flags, null, 0, ctor, ctor, deps);\n}\nfunction providerDef(flags, matchedQueries, token, value, deps) {\n    return _def(-1, flags, matchedQueries, 0, token, value, deps);\n}\nfunction _def(checkIndex, flags, matchedQueriesDsl, childCount, token, value, deps, bindings, outputs) {\n    var _a = splitMatchedQueriesDsl(matchedQueriesDsl), matchedQueries = _a.matchedQueries, references = _a.references, matchedQueryIds = _a.matchedQueryIds;\n    if (!outputs) {\n        outputs = [];\n    }\n    if (!bindings) {\n        bindings = [];\n    }\n    // Need to resolve forwardRefs as e.g. for `useValue` we\n    // lowered the expression and then stopped evaluating it,\n    // i.e. also didn't unwrap it.\n    value = resolveForwardRef(value);\n    var depDefs = splitDepsDsl(deps, stringify(token));\n    return {\n        // will bet set by the view definition\n        nodeIndex: -1,\n        parent: null,\n        renderParent: null,\n        bindingIndex: -1,\n        outputIndex: -1,\n        // regular values\n        checkIndex: checkIndex,\n        flags: flags,\n        childFlags: 0,\n        directChildFlags: 0,\n        childMatchedQueries: 0, matchedQueries: matchedQueries, matchedQueryIds: matchedQueryIds, references: references,\n        ngContentIndex: -1, childCount: childCount, bindings: bindings,\n        bindingFlags: calcBindingFlags(bindings), outputs: outputs,\n        element: null,\n        provider: { token: token, value: value, deps: depDefs },\n        text: null,\n        query: null,\n        ngContent: null\n    };\n}\nfunction createProviderInstance(view, def) {\n    return _createProviderInstance$1(view, def);\n}\nfunction createPipeInstance(view, def) {\n    // deps are looked up from component.\n    var compView = view;\n    while (compView.parent && !isComponentView(compView)) {\n        compView = compView.parent;\n    }\n    // pipes can see the private services of the component\n    var allowPrivateServices = true;\n    // pipes are always eager and classes!\n    return createClass(compView.parent, viewParentEl(compView), allowPrivateServices, def.provider.value, def.provider.deps);\n}\nfunction createDirectiveInstance(view, def) {\n    // components can see other private services, other directives can't.\n    var allowPrivateServices = (def.flags & 32768 /* Component */) > 0;\n    // directives are always eager and classes!\n    var instance = createClass(view, def.parent, allowPrivateServices, def.provider.value, def.provider.deps);\n    if (def.outputs.length) {\n        for (var i = 0; i < def.outputs.length; i++) {\n            var output = def.outputs[i];\n            var outputObservable = instance[output.propName];\n            if (isObservable(outputObservable)) {\n                var subscription = outputObservable.subscribe(eventHandlerClosure(view, def.parent.nodeIndex, output.eventName));\n                view.disposables[def.outputIndex + i] = subscription.unsubscribe.bind(subscription);\n            }\n            else {\n                throw new Error(\"@Output \" + output.propName + \" not initialized in '\" + instance.constructor.name + \"'.\");\n            }\n        }\n    }\n    return instance;\n}\nfunction eventHandlerClosure(view, index, eventName) {\n    return function (event) { return dispatchEvent(view, index, eventName, event); };\n}\nfunction checkAndUpdateDirectiveInline(view, def, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {\n    var providerData = asProviderData(view, def.nodeIndex);\n    var directive = providerData.instance;\n    var changed = false;\n    var changes = undefined;\n    var bindLen = def.bindings.length;\n    if (bindLen > 0 && checkBinding(view, def, 0, v0)) {\n        changed = true;\n        changes = updateProp(view, providerData, def, 0, v0, changes);\n    }\n    if (bindLen > 1 && checkBinding(view, def, 1, v1)) {\n        changed = true;\n        changes = updateProp(view, providerData, def, 1, v1, changes);\n    }\n    if (bindLen > 2 && checkBinding(view, def, 2, v2)) {\n        changed = true;\n        changes = updateProp(view, providerData, def, 2, v2, changes);\n    }\n    if (bindLen > 3 && checkBinding(view, def, 3, v3)) {\n        changed = true;\n        changes = updateProp(view, providerData, def, 3, v3, changes);\n    }\n    if (bindLen > 4 && checkBinding(view, def, 4, v4)) {\n        changed = true;\n        changes = updateProp(view, providerData, def, 4, v4, changes);\n    }\n    if (bindLen > 5 && checkBinding(view, def, 5, v5)) {\n        changed = true;\n        changes = updateProp(view, providerData, def, 5, v5, changes);\n    }\n    if (bindLen > 6 && checkBinding(view, def, 6, v6)) {\n        changed = true;\n        changes = updateProp(view, providerData, def, 6, v6, changes);\n    }\n    if (bindLen > 7 && checkBinding(view, def, 7, v7)) {\n        changed = true;\n        changes = updateProp(view, providerData, def, 7, v7, changes);\n    }\n    if (bindLen > 8 && checkBinding(view, def, 8, v8)) {\n        changed = true;\n        changes = updateProp(view, providerData, def, 8, v8, changes);\n    }\n    if (bindLen > 9 && checkBinding(view, def, 9, v9)) {\n        changed = true;\n        changes = updateProp(view, providerData, def, 9, v9, changes);\n    }\n    if (changes) {\n        directive.ngOnChanges(changes);\n    }\n    if ((def.flags & 65536 /* OnInit */) &&\n        shouldCallLifecycleInitHook(view, 256 /* InitState_CallingOnInit */, def.nodeIndex)) {\n        directive.ngOnInit();\n    }\n    if (def.flags & 262144 /* DoCheck */) {\n        directive.ngDoCheck();\n    }\n    return changed;\n}\nfunction checkAndUpdateDirectiveDynamic(view, def, values) {\n    var providerData = asProviderData(view, def.nodeIndex);\n    var directive = providerData.instance;\n    var changed = false;\n    var changes = undefined;\n    for (var i = 0; i < values.length; i++) {\n        if (checkBinding(view, def, i, values[i])) {\n            changed = true;\n            changes = updateProp(view, providerData, def, i, values[i], changes);\n        }\n    }\n    if (changes) {\n        directive.ngOnChanges(changes);\n    }\n    if ((def.flags & 65536 /* OnInit */) &&\n        shouldCallLifecycleInitHook(view, 256 /* InitState_CallingOnInit */, def.nodeIndex)) {\n        directive.ngOnInit();\n    }\n    if (def.flags & 262144 /* DoCheck */) {\n        directive.ngDoCheck();\n    }\n    return changed;\n}\nfunction _createProviderInstance$1(view, def) {\n    // private services can see other private services\n    var allowPrivateServices = (def.flags & 8192 /* PrivateProvider */) > 0;\n    var providerDef = def.provider;\n    switch (def.flags & 201347067 /* Types */) {\n        case 512 /* TypeClassProvider */:\n            return createClass(view, def.parent, allowPrivateServices, providerDef.value, providerDef.deps);\n        case 1024 /* TypeFactoryProvider */:\n            return callFactory(view, def.parent, allowPrivateServices, providerDef.value, providerDef.deps);\n        case 2048 /* TypeUseExistingProvider */:\n            return resolveDep(view, def.parent, allowPrivateServices, providerDef.deps[0]);\n        case 256 /* TypeValueProvider */:\n            return providerDef.value;\n    }\n}\nfunction createClass(view, elDef, allowPrivateServices, ctor, deps) {\n    var len = deps.length;\n    switch (len) {\n        case 0:\n            return new ctor();\n        case 1:\n            return new ctor(resolveDep(view, elDef, allowPrivateServices, deps[0]));\n        case 2:\n            return new ctor(resolveDep(view, elDef, allowPrivateServices, deps[0]), resolveDep(view, elDef, allowPrivateServices, deps[1]));\n        case 3:\n            return new ctor(resolveDep(view, elDef, allowPrivateServices, deps[0]), resolveDep(view, elDef, allowPrivateServices, deps[1]), resolveDep(view, elDef, allowPrivateServices, deps[2]));\n        default:\n            var depValues = [];\n            for (var i = 0; i < len; i++) {\n                depValues.push(resolveDep(view, elDef, allowPrivateServices, deps[i]));\n            }\n            return new (ctor.bind.apply(ctor, __spread([void 0], depValues)))();\n    }\n}\nfunction callFactory(view, elDef, allowPrivateServices, factory, deps) {\n    var len = deps.length;\n    switch (len) {\n        case 0:\n            return factory();\n        case 1:\n            return factory(resolveDep(view, elDef, allowPrivateServices, deps[0]));\n        case 2:\n            return factory(resolveDep(view, elDef, allowPrivateServices, deps[0]), resolveDep(view, elDef, allowPrivateServices, deps[1]));\n        case 3:\n            return factory(resolveDep(view, elDef, allowPrivateServices, deps[0]), resolveDep(view, elDef, allowPrivateServices, deps[1]), resolveDep(view, elDef, allowPrivateServices, deps[2]));\n        default:\n            var depValues = [];\n            for (var i = 0; i < len; i++) {\n                depValues.push(resolveDep(view, elDef, allowPrivateServices, deps[i]));\n            }\n            return factory.apply(void 0, __spread(depValues));\n    }\n}\n// This default value is when checking the hierarchy for a token.\n//\n// It means both:\n// - the token is not provided by the current injector,\n// - only the element injectors should be checked (ie do not check module injectors\n//\n//          mod1\n//         /\n//       el1   mod2\n//         \\  /\n//         el2\n//\n// When requesting el2.injector.get(token), we should check in the following order and return the\n// first found value:\n// - el2.injector.get(token, default)\n// - el1.injector.get(token, NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR) -> do not check the module\n// - mod2.injector.get(token, default)\nvar NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR = {};\nfunction resolveDep(view, elDef, allowPrivateServices, depDef, notFoundValue) {\n    if (notFoundValue === void 0) { notFoundValue = Injector.THROW_IF_NOT_FOUND; }\n    if (depDef.flags & 8 /* Value */) {\n        return depDef.token;\n    }\n    var startView = view;\n    if (depDef.flags & 2 /* Optional */) {\n        notFoundValue = null;\n    }\n    var tokenKey = depDef.tokenKey;\n    if (tokenKey === ChangeDetectorRefTokenKey) {\n        // directives on the same element as a component should be able to control the change detector\n        // of that component as well.\n        allowPrivateServices = !!(elDef && elDef.element.componentView);\n    }\n    if (elDef && (depDef.flags & 1 /* SkipSelf */)) {\n        allowPrivateServices = false;\n        elDef = elDef.parent;\n    }\n    var searchView = view;\n    while (searchView) {\n        if (elDef) {\n            switch (tokenKey) {\n                case Renderer2TokenKey: {\n                    var compView = findCompView(searchView, elDef, allowPrivateServices);\n                    return compView.renderer;\n                }\n                case ElementRefTokenKey:\n                    return new ElementRef(asElementData(searchView, elDef.nodeIndex).renderElement);\n                case ViewContainerRefTokenKey:\n                    return asElementData(searchView, elDef.nodeIndex).viewContainer;\n                case TemplateRefTokenKey: {\n                    if (elDef.element.template) {\n                        return asElementData(searchView, elDef.nodeIndex).template;\n                    }\n                    break;\n                }\n                case ChangeDetectorRefTokenKey: {\n                    var cdView = findCompView(searchView, elDef, allowPrivateServices);\n                    return createChangeDetectorRef(cdView);\n                }\n                case InjectorRefTokenKey$1:\n                case INJECTORRefTokenKey$1:\n                    return createInjector$1(searchView, elDef);\n                default:\n                    var providerDef_1 = (allowPrivateServices ? elDef.element.allProviders :\n                        elDef.element.publicProviders)[tokenKey];\n                    if (providerDef_1) {\n                        var providerData = asProviderData(searchView, providerDef_1.nodeIndex);\n                        if (!providerData) {\n                            providerData = { instance: _createProviderInstance$1(searchView, providerDef_1) };\n                            searchView.nodes[providerDef_1.nodeIndex] = providerData;\n                        }\n                        return providerData.instance;\n                    }\n            }\n        }\n        allowPrivateServices = isComponentView(searchView);\n        elDef = viewParentEl(searchView);\n        searchView = searchView.parent;\n        if (depDef.flags & 4 /* Self */) {\n            searchView = null;\n        }\n    }\n    var value = startView.root.injector.get(depDef.token, NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR);\n    if (value !== NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR ||\n        notFoundValue === NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR) {\n        // Return the value from the root element injector when\n        // - it provides it\n        //   (value !== NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR)\n        // - the module injector should not be checked\n        //   (notFoundValue === NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR)\n        return value;\n    }\n    return startView.root.ngModule.injector.get(depDef.token, notFoundValue);\n}\nfunction findCompView(view, elDef, allowPrivateServices) {\n    var compView;\n    if (allowPrivateServices) {\n        compView = asElementData(view, elDef.nodeIndex).componentView;\n    }\n    else {\n        compView = view;\n        while (compView.parent && !isComponentView(compView)) {\n            compView = compView.parent;\n        }\n    }\n    return compView;\n}\nfunction updateProp(view, providerData, def, bindingIdx, value, changes) {\n    if (def.flags & 32768 /* Component */) {\n        var compView = asElementData(view, def.parent.nodeIndex).componentView;\n        if (compView.def.flags & 2 /* OnPush */) {\n            compView.state |= 8 /* ChecksEnabled */;\n        }\n    }\n    var binding = def.bindings[bindingIdx];\n    var propName = binding.name;\n    // Note: This is still safe with Closure Compiler as\n    // the user passed in the property name as an object has to `providerDef`,\n    // so Closure Compiler will have renamed the property correctly already.\n    providerData.instance[propName] = value;\n    if (def.flags & 524288 /* OnChanges */) {\n        changes = changes || {};\n        var oldValue = WrappedValue.unwrap(view.oldValues[def.bindingIndex + bindingIdx]);\n        var binding_1 = def.bindings[bindingIdx];\n        changes[binding_1.nonMinifiedName] =\n            new SimpleChange(oldValue, value, (view.state & 2 /* FirstCheck */) !== 0);\n    }\n    view.oldValues[def.bindingIndex + bindingIdx] = value;\n    return changes;\n}\n// This function calls the ngAfterContentCheck, ngAfterContentInit,\n// ngAfterViewCheck, and ngAfterViewInit lifecycle hooks (depending on the node\n// flags in lifecycle). Unlike ngDoCheck, ngOnChanges and ngOnInit, which are\n// called during a pre-order traversal of the view tree (that is calling the\n// parent hooks before the child hooks) these events are sent in using a\n// post-order traversal of the tree (children before parents). This changes the\n// meaning of initIndex in the view state. For ngOnInit, initIndex tracks the\n// expected nodeIndex which a ngOnInit should be called. When sending\n// ngAfterContentInit and ngAfterViewInit it is the expected count of\n// ngAfterContentInit or ngAfterViewInit methods that have been called. This\n// ensure that despite being called recursively or after picking up after an\n// exception, the ngAfterContentInit or ngAfterViewInit will be called on the\n// correct nodes. Consider for example, the following (where E is an element\n// and D is a directive)\n//  Tree:       pre-order index  post-order index\n//    E1        0                6\n//      E2      1                1\n//       D3     2                0\n//      E4      3                5\n//       E5     4                4\n//        E6    5                2\n//        E7    6                3\n// As can be seen, the post-order index has an unclear relationship to the\n// pre-order index (postOrderIndex === preOrderIndex - parentCount +\n// childCount). Since number of calls to ngAfterContentInit and ngAfterViewInit\n// are stable (will be the same for the same view regardless of exceptions or\n// recursion) we just need to count them which will roughly correspond to the\n// post-order index (it skips elements and directives that do not have\n// lifecycle hooks).\n//\n// For example, if an exception is raised in the E6.onAfterViewInit() the\n// initIndex is left at 3 (by shouldCallLifecycleInitHook() which set it to\n// initIndex + 1). When checkAndUpdateView() is called again D3, E2 and E6 will\n// not have their ngAfterViewInit() called but, starting with E7, the rest of\n// the view will begin getting ngAfterViewInit() called until a check and\n// pass is complete.\n//\n// This algorthim also handles recursion. Consider if E4's ngAfterViewInit()\n// indirectly calls E1's ChangeDetectorRef.detectChanges(). The expected\n// initIndex is set to 6, the recusive checkAndUpdateView() starts walk again.\n// D3, E2, E6, E7, E5 and E4 are skipped, ngAfterViewInit() is called on E1.\n// When the recursion returns the initIndex will be 7 so E1 is skipped as it\n// has already been called in the recursively called checkAnUpdateView().\nfunction callLifecycleHooksChildrenFirst(view, lifecycles) {\n    if (!(view.def.nodeFlags & lifecycles)) {\n        return;\n    }\n    var nodes = view.def.nodes;\n    var initIndex = 0;\n    for (var i = 0; i < nodes.length; i++) {\n        var nodeDef = nodes[i];\n        var parent_1 = nodeDef.parent;\n        if (!parent_1 && nodeDef.flags & lifecycles) {\n            // matching root node (e.g. a pipe)\n            callProviderLifecycles(view, i, nodeDef.flags & lifecycles, initIndex++);\n        }\n        if ((nodeDef.childFlags & lifecycles) === 0) {\n            // no child matches one of the lifecycles\n            i += nodeDef.childCount;\n        }\n        while (parent_1 && (parent_1.flags & 1 /* TypeElement */) &&\n            i === parent_1.nodeIndex + parent_1.childCount) {\n            // last child of an element\n            if (parent_1.directChildFlags & lifecycles) {\n                initIndex = callElementProvidersLifecycles(view, parent_1, lifecycles, initIndex);\n            }\n            parent_1 = parent_1.parent;\n        }\n    }\n}\nfunction callElementProvidersLifecycles(view, elDef, lifecycles, initIndex) {\n    for (var i = elDef.nodeIndex + 1; i <= elDef.nodeIndex + elDef.childCount; i++) {\n        var nodeDef = view.def.nodes[i];\n        if (nodeDef.flags & lifecycles) {\n            callProviderLifecycles(view, i, nodeDef.flags & lifecycles, initIndex++);\n        }\n        // only visit direct children\n        i += nodeDef.childCount;\n    }\n    return initIndex;\n}\nfunction callProviderLifecycles(view, index, lifecycles, initIndex) {\n    var providerData = asProviderData(view, index);\n    if (!providerData) {\n        return;\n    }\n    var provider = providerData.instance;\n    if (!provider) {\n        return;\n    }\n    Services.setCurrentNode(view, index);\n    if (lifecycles & 1048576 /* AfterContentInit */ &&\n        shouldCallLifecycleInitHook(view, 512 /* InitState_CallingAfterContentInit */, initIndex)) {\n        provider.ngAfterContentInit();\n    }\n    if (lifecycles & 2097152 /* AfterContentChecked */) {\n        provider.ngAfterContentChecked();\n    }\n    if (lifecycles & 4194304 /* AfterViewInit */ &&\n        shouldCallLifecycleInitHook(view, 768 /* InitState_CallingAfterViewInit */, initIndex)) {\n        provider.ngAfterViewInit();\n    }\n    if (lifecycles & 8388608 /* AfterViewChecked */) {\n        provider.ngAfterViewChecked();\n    }\n    if (lifecycles & 131072 /* OnDestroy */) {\n        provider.ngOnDestroy();\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ComponentFactoryResolver$1 = /** @class */ (function (_super) {\n    __extends(ComponentFactoryResolver, _super);\n    /**\n     * @param ngModule The NgModuleRef to which all resolved factories are bound.\n     */\n    function ComponentFactoryResolver(ngModule) {\n        var _this = _super.call(this) || this;\n        _this.ngModule = ngModule;\n        return _this;\n    }\n    ComponentFactoryResolver.prototype.resolveComponentFactory = function (component) {\n        ngDevMode && assertComponentType(component);\n        var componentDef = getComponentDef(component);\n        return new ComponentFactory$1(componentDef, this.ngModule);\n    };\n    return ComponentFactoryResolver;\n}(ComponentFactoryResolver));\nfunction toRefArray(map) {\n    var array = [];\n    for (var nonMinified in map) {\n        if (map.hasOwnProperty(nonMinified)) {\n            var minified = map[nonMinified];\n            array.push({ propName: minified, templateName: nonMinified });\n        }\n    }\n    return array;\n}\n/**\n * A change detection scheduler token for {@link RootContext}. This token is the default value used\n * for the default `RootContext` found in the {@link ROOT_CONTEXT} token.\n */\nvar SCHEDULER = new InjectionToken('SCHEDULER_TOKEN', {\n    providedIn: 'root',\n    factory: function () { return defaultScheduler; },\n});\nfunction createChainedInjector(rootViewInjector, moduleInjector) {\n    return {\n        get: function (token, notFoundValue, flags) {\n            var value = rootViewInjector.get(token, NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR, flags);\n            if (value !== NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR ||\n                notFoundValue === NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR) {\n                // Return the value from the root element injector when\n                // - it provides it\n                //   (value !== NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR)\n                // - the module injector should not be checked\n                //   (notFoundValue === NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR)\n                return value;\n            }\n            return moduleInjector.get(token, notFoundValue, flags);\n        }\n    };\n}\n/**\n * Render3 implementation of {@link viewEngine_ComponentFactory}.\n */\nvar ComponentFactory$1 = /** @class */ (function (_super) {\n    __extends(ComponentFactory, _super);\n    /**\n     * @param componentDef The component definition.\n     * @param ngModule The NgModuleRef to which the factory is bound.\n     */\n    function ComponentFactory(componentDef, ngModule) {\n        var _this = _super.call(this) || this;\n        _this.componentDef = componentDef;\n        _this.ngModule = ngModule;\n        _this.componentType = componentDef.type;\n        _this.selector = stringifyCSSSelectorList(componentDef.selectors);\n        _this.ngContentSelectors =\n            componentDef.ngContentSelectors ? componentDef.ngContentSelectors : [];\n        _this.isBoundToModule = !!ngModule;\n        return _this;\n    }\n    Object.defineProperty(ComponentFactory.prototype, \"inputs\", {\n        get: function () {\n            return toRefArray(this.componentDef.inputs);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ComponentFactory.prototype, \"outputs\", {\n        get: function () {\n            return toRefArray(this.componentDef.outputs);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    ComponentFactory.prototype.create = function (injector, projectableNodes, rootSelectorOrNode, ngModule) {\n        ngModule = ngModule || this.ngModule;\n        var rootViewInjector = ngModule ? createChainedInjector(injector, ngModule.injector) : injector;\n        var rendererFactory = rootViewInjector.get(RendererFactory2, domRendererFactory3);\n        var sanitizer = rootViewInjector.get(Sanitizer, null);\n        var hostRenderer = rendererFactory.createRenderer(null, this.componentDef);\n        var hostRNode = rootSelectorOrNode ?\n            locateHostElement(hostRenderer, rootSelectorOrNode, this.componentDef.encapsulation) :\n            // Determine a tag name used for creating host elements when this component is created\n            // dynamically. Default to 'div' if this component did not specify any tag name in its\n            // selector.\n            elementCreate(this.componentDef.selectors[0][0] || 'div', rendererFactory.createRenderer(null, this.componentDef), null);\n        var rootFlags = this.componentDef.onPush ? 64 /* Dirty */ | 512 /* IsRoot */ :\n            16 /* CheckAlways */ | 512 /* IsRoot */;\n        // Check whether this Component needs to be isolated from other components, i.e. whether it\n        // should be placed into its own (empty) root context or existing root context should be used.\n        // Note: this is internal-only convention and might change in the future, so it should not be\n        // relied upon externally.\n        var isIsolated = typeof rootSelectorOrNode === 'string' &&\n            /^#root-ng-internal-isolated-\\d+/.test(rootSelectorOrNode);\n        var rootContext = createRootContext();\n        // Create the root view. Uses empty TView and ContentTemplate.\n        var rootTView = createTView(0 /* Root */, -1, null, 1, 0, null, null, null, null, null);\n        var rootLView = createLView(null, rootTView, rootContext, rootFlags, null, null, rendererFactory, hostRenderer, sanitizer, rootViewInjector);\n        var addVersion = rootSelectorOrNode && hostRNode ? VERSION.full : null;\n        // rootView is the parent when bootstrapping\n        // TODO(misko): it looks like we are entering view here but we don't really need to as\n        // `renderView` does that. However as the code is written it is needed because\n        // `createRootComponentView` and `createRootComponent` both read global state. Fixing those\n        // issues would allow us to drop this.\n        enterView(rootLView, null);\n        var component;\n        var tElementNode;\n        try {\n            var componentView = createRootComponentView(hostRNode, this.componentDef, rootLView, rendererFactory, hostRenderer, addVersion, null);\n            tElementNode = getTNode(rootLView[TVIEW], 0);\n            if (projectableNodes) {\n                // projectable nodes can be passed as array of arrays or an array of iterables (ngUpgrade\n                // case). Here we do normalize passed data structure to be an array of arrays to avoid\n                // complex checks down the line.\n                tElementNode.projection =\n                    projectableNodes.map(function (nodesforSlot) { return Array.from(nodesforSlot); });\n            }\n            // TODO: should LifecycleHooksFeature and other host features be generated by the compiler and\n            // executed here?\n            // Angular 5 reference: https://stackblitz.com/edit/lifecycle-hooks-vcref\n            component = createRootComponent(componentView, this.componentDef, rootLView, rootContext, [LifecycleHooksFeature]);\n            renderView(rootTView, rootLView, null);\n        }\n        finally {\n            leaveView();\n        }\n        var componentRef = new ComponentRef$1(this.componentType, component, createElementRef(ElementRef, tElementNode, rootLView), rootLView, tElementNode);\n        if (!rootSelectorOrNode || isIsolated) {\n            // The host element of the internal or isolated root view is attached to the component's host\n            // view node.\n            componentRef.hostView._tViewNode.child = tElementNode;\n        }\n        return componentRef;\n    };\n    return ComponentFactory;\n}(ComponentFactory));\nvar componentFactoryResolver = new ComponentFactoryResolver$1();\n/**\n * Creates a ComponentFactoryResolver and stores it on the injector. Or, if the\n * ComponentFactoryResolver\n * already exists, retrieves the existing ComponentFactoryResolver.\n *\n * @returns The ComponentFactoryResolver instance to use\n */\nfunction injectComponentFactoryResolver() {\n    return componentFactoryResolver;\n}\n/**\n * Represents an instance of a Component created via a {@link ComponentFactory}.\n *\n * `ComponentRef` provides access to the Component Instance as well other objects related to this\n * Component Instance and allows you to destroy the Component Instance via the {@link #destroy}\n * method.\n *\n */\nvar ComponentRef$1 = /** @class */ (function (_super) {\n    __extends(ComponentRef, _super);\n    function ComponentRef(componentType, instance, location, _rootLView, _tNode) {\n        var _this = _super.call(this) || this;\n        _this.location = location;\n        _this._rootLView = _rootLView;\n        _this._tNode = _tNode;\n        _this.destroyCbs = [];\n        _this.instance = instance;\n        _this.hostView = _this.changeDetectorRef = new RootViewRef(_rootLView);\n        _this.hostView._tViewNode = assignTViewNodeToLView(_rootLView[TVIEW], null, -1, _rootLView);\n        _this.componentType = componentType;\n        return _this;\n    }\n    Object.defineProperty(ComponentRef.prototype, \"injector\", {\n        get: function () { return new NodeInjector(this._tNode, this._rootLView); },\n        enumerable: true,\n        configurable: true\n    });\n    ComponentRef.prototype.destroy = function () {\n        if (this.destroyCbs) {\n            this.destroyCbs.forEach(function (fn) { return fn(); });\n            this.destroyCbs = null;\n            !this.hostView.destroyed && this.hostView.destroy();\n        }\n    };\n    ComponentRef.prototype.onDestroy = function (callback) {\n        if (this.destroyCbs) {\n            this.destroyCbs.push(callback);\n        }\n    };\n    return ComponentRef;\n}(ComponentRef));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * NOTE: changes to the `ngI18nClosureMode` name must be synced with `compiler-cli/src/tooling.ts`.\n */\nif (typeof ngI18nClosureMode === 'undefined') {\n    // These property accesses can be ignored because ngI18nClosureMode will be set to false\n    // when optimizing code and the whole if statement will be dropped.\n    // Make sure to refer to ngI18nClosureMode as ['ngI18nClosureMode'] for closure.\n    // NOTE: we need to have it in IIFE so that the tree-shaker is happy.\n    (function () {\n        // tslint:disable-next-line:no-toplevel-property-access\n        _global['ngI18nClosureMode'] =\n            // TODO(FW-1250): validate that this actually, you know, works.\n            // tslint:disable-next-line:no-toplevel-property-access\n            typeof goog !== 'undefined' && typeof goog.getMsg === 'function';\n    })();\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// THIS CODE IS GENERATED - DO NOT MODIFY\n// See angular/tools/gulp-tasks/cldr/extract.js\nvar u = undefined;\nfunction plural(n) {\n    var i = Math.floor(Math.abs(n)), v = n.toString().replace(/^[^.]*\\.?/, '').length;\n    if (i === 1 && v === 0)\n        return 1;\n    return 5;\n}\nvar localeEn = [\n    'en',\n    [['a', 'p'], ['AM', 'PM'], u],\n    [['AM', 'PM'], u, u],\n    [\n        ['S', 'M', 'T', 'W', 'T', 'F', 'S'], ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],\n        ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],\n        ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa']\n    ],\n    u,\n    [\n        ['J', 'F', 'M', 'A', 'M', 'J', 'J', 'A', 'S', 'O', 'N', 'D'],\n        ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],\n        [\n            'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September',\n            'October', 'November', 'December'\n        ]\n    ],\n    u,\n    [['B', 'A'], ['BC', 'AD'], ['Before Christ', 'Anno Domini']],\n    0,\n    [6, 0],\n    ['M/d/yy', 'MMM d, y', 'MMMM d, y', 'EEEE, MMMM d, y'],\n    ['h:mm a', 'h:mm:ss a', 'h:mm:ss a z', 'h:mm:ss a zzzz'],\n    ['{1}, {0}', u, '{1} \\'at\\' {0}', u],\n    ['.', ',', ';', '%', '+', '-', 'E', '×', '‰', '∞', 'NaN', ':'],\n    ['#,##0.###', '#,##0%', '¤#,##0.00', '#E0'],\n    'USD',\n    '$',\n    'US Dollar',\n    {},\n    plural\n];\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * This const is used to store the locale data registered with `registerLocaleData`\n */\nvar LOCALE_DATA = {};\n/**\n * Register locale data to be used internally by Angular. See the\n * [\"I18n guide\"](guide/i18n#i18n-pipes) to know how to import additional locale data.\n *\n * The signature `registerLocaleData(data: any, extraData?: any)` is deprecated since v5.1\n */\nfunction registerLocaleData(data, localeId, extraData) {\n    if (typeof localeId !== 'string') {\n        extraData = localeId;\n        localeId = data[LocaleDataIndex.LocaleId];\n    }\n    localeId = localeId.toLowerCase().replace(/_/g, '-');\n    LOCALE_DATA[localeId] = data;\n    if (extraData) {\n        LOCALE_DATA[localeId][LocaleDataIndex.ExtraData] = extraData;\n    }\n}\n/**\n * Finds the locale data for a given locale.\n *\n * @param locale The locale code.\n * @returns The locale data.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n */\nfunction findLocaleData(locale) {\n    var normalizedLocale = normalizeLocale(locale);\n    var match = getLocaleData(normalizedLocale);\n    if (match) {\n        return match;\n    }\n    // let's try to find a parent locale\n    var parentLocale = normalizedLocale.split('-')[0];\n    match = getLocaleData(parentLocale);\n    if (match) {\n        return match;\n    }\n    if (parentLocale === 'en') {\n        return localeEn;\n    }\n    throw new Error(\"Missing locale data for the locale \\\"\" + locale + \"\\\".\");\n}\n/**\n * Retrieves the default currency code for the given locale.\n *\n * The default is defined as the first currency which is still in use.\n *\n * @param locale The code of the locale whose currency code we want.\n * @returns The code of the default currency for the given locale.\n *\n */\nfunction getLocaleCurrencyCode(locale) {\n    var data = findLocaleData(locale);\n    return data[LocaleDataIndex.CurrencyCode] || null;\n}\n/**\n * Retrieves the plural function used by ICU expressions to determine the plural case to use\n * for a given locale.\n * @param locale A locale code for the locale format rules to use.\n * @returns The plural function for the locale.\n * @see `NgPlural`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n */\nfunction getLocalePluralCase(locale) {\n    var data = findLocaleData(locale);\n    return data[LocaleDataIndex.PluralCase];\n}\n/**\n * Helper function to get the given `normalizedLocale` from `LOCALE_DATA`\n * or from the global `ng.common.locale`.\n */\nfunction getLocaleData(normalizedLocale) {\n    if (!(normalizedLocale in LOCALE_DATA)) {\n        LOCALE_DATA[normalizedLocale] = _global.ng && _global.ng.common && _global.ng.common.locales &&\n            _global.ng.common.locales[normalizedLocale];\n    }\n    return LOCALE_DATA[normalizedLocale];\n}\n/**\n * Helper function to remove all the locale data from `LOCALE_DATA`.\n */\nfunction unregisterAllLocaleData() {\n    LOCALE_DATA = {};\n}\n/**\n * Index of each type of locale data from the locale data array\n */\nvar LocaleDataIndex;\n(function (LocaleDataIndex) {\n    LocaleDataIndex[LocaleDataIndex[\"LocaleId\"] = 0] = \"LocaleId\";\n    LocaleDataIndex[LocaleDataIndex[\"DayPeriodsFormat\"] = 1] = \"DayPeriodsFormat\";\n    LocaleDataIndex[LocaleDataIndex[\"DayPeriodsStandalone\"] = 2] = \"DayPeriodsStandalone\";\n    LocaleDataIndex[LocaleDataIndex[\"DaysFormat\"] = 3] = \"DaysFormat\";\n    LocaleDataIndex[LocaleDataIndex[\"DaysStandalone\"] = 4] = \"DaysStandalone\";\n    LocaleDataIndex[LocaleDataIndex[\"MonthsFormat\"] = 5] = \"MonthsFormat\";\n    LocaleDataIndex[LocaleDataIndex[\"MonthsStandalone\"] = 6] = \"MonthsStandalone\";\n    LocaleDataIndex[LocaleDataIndex[\"Eras\"] = 7] = \"Eras\";\n    LocaleDataIndex[LocaleDataIndex[\"FirstDayOfWeek\"] = 8] = \"FirstDayOfWeek\";\n    LocaleDataIndex[LocaleDataIndex[\"WeekendRange\"] = 9] = \"WeekendRange\";\n    LocaleDataIndex[LocaleDataIndex[\"DateFormat\"] = 10] = \"DateFormat\";\n    LocaleDataIndex[LocaleDataIndex[\"TimeFormat\"] = 11] = \"TimeFormat\";\n    LocaleDataIndex[LocaleDataIndex[\"DateTimeFormat\"] = 12] = \"DateTimeFormat\";\n    LocaleDataIndex[LocaleDataIndex[\"NumberSymbols\"] = 13] = \"NumberSymbols\";\n    LocaleDataIndex[LocaleDataIndex[\"NumberFormats\"] = 14] = \"NumberFormats\";\n    LocaleDataIndex[LocaleDataIndex[\"CurrencyCode\"] = 15] = \"CurrencyCode\";\n    LocaleDataIndex[LocaleDataIndex[\"CurrencySymbol\"] = 16] = \"CurrencySymbol\";\n    LocaleDataIndex[LocaleDataIndex[\"CurrencyName\"] = 17] = \"CurrencyName\";\n    LocaleDataIndex[LocaleDataIndex[\"Currencies\"] = 18] = \"Currencies\";\n    LocaleDataIndex[LocaleDataIndex[\"PluralCase\"] = 19] = \"PluralCase\";\n    LocaleDataIndex[LocaleDataIndex[\"ExtraData\"] = 20] = \"ExtraData\";\n})(LocaleDataIndex || (LocaleDataIndex = {}));\n/**\n * Returns the canonical form of a locale name - lowercase with `_` replaced with `-`.\n */\nfunction normalizeLocale(locale) {\n    return locale.toLowerCase().replace(/_/g, '-');\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Returns the plural case based on the locale\n */\nfunction getPluralCase(value, locale) {\n    var plural = getLocalePluralCase(locale)(value);\n    switch (plural) {\n        case 0:\n            return 'zero';\n        case 1:\n            return 'one';\n        case 2:\n            return 'two';\n        case 3:\n            return 'few';\n        case 4:\n            return 'many';\n        default:\n            return 'other';\n    }\n}\n/**\n * The locale id that the application is using by default (for translations and ICU expressions).\n */\nvar DEFAULT_LOCALE_ID = 'en-US';\n/**\n * USD currency code that the application uses by default for CurrencyPipe when no\n * DEFAULT_CURRENCY_CODE is provided.\n */\nvar USD_CURRENCY_CODE = 'USD';\n\nvar MARKER = \"\\uFFFD\";\nvar ICU_BLOCK_REGEXP = /^\\s*(�\\d+:?\\d*�)\\s*,\\s*(select|plural)\\s*,/;\nvar SUBTEMPLATE_REGEXP = /�\\/?\\*(\\d+:\\d+)�/gi;\nvar PH_REGEXP = /�(\\/?[#*!]\\d+):?\\d*�/gi;\nvar BINDING_REGEXP = /�(\\d+):?\\d*�/gi;\nvar ICU_REGEXP = /({\\s*�\\d+:?\\d*�\\s*,\\s*\\S{6}\\s*,[\\s\\S]*})/gi;\n// i18nPostprocess consts\nvar ROOT_TEMPLATE_ID = 0;\nvar PP_MULTI_VALUE_PLACEHOLDERS_REGEXP = /\\[(�.+?�?)\\]/;\nvar PP_PLACEHOLDERS_REGEXP = /\\[(�.+?�?)\\]|(�\\/?\\*\\d+:\\d+�)/g;\nvar PP_ICU_VARS_REGEXP = /({\\s*)(VAR_(PLURAL|SELECT)(_\\d+)?)(\\s*,)/g;\nvar PP_ICU_PLACEHOLDERS_REGEXP = /{([A-Z0-9_]+)}/g;\nvar PP_ICUS_REGEXP = /�I18N_EXP_(ICU(_\\d+)?)�/g;\nvar PP_CLOSE_TEMPLATE_REGEXP = /\\/\\*/;\nvar PP_TEMPLATE_ID_REGEXP = /\\d+\\:(\\d+)/;\n/**\n * Breaks pattern into strings and top level {...} blocks.\n * Can be used to break a message into text and ICU expressions, or to break an ICU expression into\n * keys and cases.\n * Original code from closure library, modified for Angular.\n *\n * @param pattern (sub)Pattern to be broken.\n *\n */\nfunction extractParts(pattern) {\n    if (!pattern) {\n        return [];\n    }\n    var prevPos = 0;\n    var braceStack = [];\n    var results = [];\n    var braces = /[{}]/g;\n    // lastIndex doesn't get set to 0 so we have to.\n    braces.lastIndex = 0;\n    var match;\n    while (match = braces.exec(pattern)) {\n        var pos = match.index;\n        if (match[0] == '}') {\n            braceStack.pop();\n            if (braceStack.length == 0) {\n                // End of the block.\n                var block = pattern.substring(prevPos, pos);\n                if (ICU_BLOCK_REGEXP.test(block)) {\n                    results.push(parseICUBlock(block));\n                }\n                else {\n                    results.push(block);\n                }\n                prevPos = pos + 1;\n            }\n        }\n        else {\n            if (braceStack.length == 0) {\n                var substring_1 = pattern.substring(prevPos, pos);\n                results.push(substring_1);\n                prevPos = pos + 1;\n            }\n            braceStack.push('{');\n        }\n    }\n    var substring = pattern.substring(prevPos);\n    results.push(substring);\n    return results;\n}\n/**\n * Parses text containing an ICU expression and produces a JSON object for it.\n * Original code from closure library, modified for Angular.\n *\n * @param pattern Text containing an ICU expression that needs to be parsed.\n *\n */\nfunction parseICUBlock(pattern) {\n    var cases = [];\n    var values = [];\n    var icuType = 1 /* plural */;\n    var mainBinding = 0;\n    pattern = pattern.replace(ICU_BLOCK_REGEXP, function (str, binding, type) {\n        if (type === 'select') {\n            icuType = 0 /* select */;\n        }\n        else {\n            icuType = 1 /* plural */;\n        }\n        mainBinding = parseInt(binding.substr(1), 10);\n        return '';\n    });\n    var parts = extractParts(pattern);\n    // Looking for (key block)+ sequence. One of the keys has to be \"other\".\n    for (var pos = 0; pos < parts.length;) {\n        var key = parts[pos++].trim();\n        if (icuType === 1 /* plural */) {\n            // Key can be \"=x\", we just want \"x\"\n            key = key.replace(/\\s*(?:=)?(\\w+)\\s*/, '$1');\n        }\n        if (key.length) {\n            cases.push(key);\n        }\n        var blocks = extractParts(parts[pos++]);\n        if (cases.length > values.length) {\n            values.push(blocks);\n        }\n    }\n    // TODO(ocombe): support ICU expressions in attributes, see #21615\n    return { type: icuType, mainBinding: mainBinding, cases: cases, values: values };\n}\n/**\n * Removes everything inside the sub-templates of a message.\n */\nfunction removeInnerTemplateTranslation(message) {\n    var match;\n    var res = '';\n    var index = 0;\n    var inTemplate = false;\n    var tagMatched;\n    while ((match = SUBTEMPLATE_REGEXP.exec(message)) !== null) {\n        if (!inTemplate) {\n            res += message.substring(index, match.index + match[0].length);\n            tagMatched = match[1];\n            inTemplate = true;\n        }\n        else {\n            if (match[0] === MARKER + \"/*\" + tagMatched + MARKER) {\n                index = match.index;\n                inTemplate = false;\n            }\n        }\n    }\n    ngDevMode &&\n        assertEqual(inTemplate, false, \"Tag mismatch: unable to find the end of the sub-template in the translation \\\"\" + message + \"\\\"\");\n    res += message.substr(index);\n    return res;\n}\n/**\n * Extracts a part of a message and removes the rest.\n *\n * This method is used for extracting a part of the message associated with a template. A translated\n * message can span multiple templates.\n *\n * Example:\n * ```\n * <div i18n>Translate <span *ngIf>me</span>!</div>\n * ```\n *\n * @param message The message to crop\n * @param subTemplateIndex Index of the sub-template to extract. If undefined it returns the\n * external template and removes all sub-templates.\n */\nfunction getTranslationForTemplate(message, subTemplateIndex) {\n    if (typeof subTemplateIndex !== 'number') {\n        // We want the root template message, ignore all sub-templates\n        return removeInnerTemplateTranslation(message);\n    }\n    else {\n        // We want a specific sub-template\n        var start = message.indexOf(\":\" + subTemplateIndex + MARKER) + 2 + subTemplateIndex.toString().length;\n        var end = message.search(new RegExp(MARKER + \"\\\\/\\\\*\\\\d+:\" + subTemplateIndex + MARKER));\n        return removeInnerTemplateTranslation(message.substring(start, end));\n    }\n}\n/**\n * Generate the OpCodes to update the bindings of a string.\n *\n * @param str The string containing the bindings.\n * @param destinationNode Index of the destination node which will receive the binding.\n * @param attrName Name of the attribute, if the string belongs to an attribute.\n * @param sanitizeFn Sanitization function used to sanitize the string after update, if necessary.\n */\nfunction generateBindingUpdateOpCodes(str, destinationNode, attrName, sanitizeFn) {\n    if (sanitizeFn === void 0) { sanitizeFn = null; }\n    var updateOpCodes = [null, null]; // Alloc space for mask and size\n    var textParts = str.split(BINDING_REGEXP);\n    var mask = 0;\n    for (var j = 0; j < textParts.length; j++) {\n        var textValue = textParts[j];\n        if (j & 1) {\n            // Odd indexes are bindings\n            var bindingIndex = parseInt(textValue, 10);\n            updateOpCodes.push(-1 - bindingIndex);\n            mask = mask | toMaskBit(bindingIndex);\n        }\n        else if (textValue !== '') {\n            // Even indexes are text\n            updateOpCodes.push(textValue);\n        }\n    }\n    updateOpCodes.push(destinationNode << 2 /* SHIFT_REF */ |\n        (attrName ? 1 /* Attr */ : 0 /* Text */));\n    if (attrName) {\n        updateOpCodes.push(attrName, sanitizeFn);\n    }\n    updateOpCodes[0] = mask;\n    updateOpCodes[1] = updateOpCodes.length - 2;\n    return updateOpCodes;\n}\nfunction getBindingMask(icuExpression, mask) {\n    if (mask === void 0) { mask = 0; }\n    mask = mask | toMaskBit(icuExpression.mainBinding);\n    var match;\n    for (var i = 0; i < icuExpression.values.length; i++) {\n        var valueArr = icuExpression.values[i];\n        for (var j = 0; j < valueArr.length; j++) {\n            var value = valueArr[j];\n            if (typeof value === 'string') {\n                while (match = BINDING_REGEXP.exec(value)) {\n                    mask = mask | toMaskBit(parseInt(match[1], 10));\n                }\n            }\n            else {\n                mask = getBindingMask(value, mask);\n            }\n        }\n    }\n    return mask;\n}\nvar i18nIndexStack = [];\nvar i18nIndexStackPointer = -1;\n/**\n * Convert binding index to mask bit.\n *\n * Each index represents a single bit on the bit-mask. Because bit-mask only has 32 bits, we make\n * the 32nd bit share all masks for all bindings higher than 32. Since it is extremely rare to have\n * more than 32 bindings this will be hit very rarely. The downside of hitting this corner case is\n * that we will execute binding code more often than necessary. (penalty of performance)\n */\nfunction toMaskBit(bindingIndex) {\n    return 1 << Math.min(bindingIndex, 31);\n}\nvar parentIndexStack = [];\n/**\n * Marks a block of text as translatable.\n *\n * The instructions `i18nStart` and `i18nEnd` mark the translation block in the template.\n * The translation `message` is the value which is locale specific. The translation string may\n * contain placeholders which associate inner elements and sub-templates within the translation.\n *\n * The translation `message` placeholders are:\n * - `�{index}(:{block})�`: *Binding Placeholder*: Marks a location where an expression will be\n *   interpolated into. The placeholder `index` points to the expression binding index. An optional\n *   `block` that matches the sub-template in which it was declared.\n * - `�#{index}(:{block})�`/`�/#{index}(:{block})�`: *Element Placeholder*:  Marks the beginning\n *   and end of DOM element that were embedded in the original translation block. The placeholder\n *   `index` points to the element index in the template instructions set. An optional `block` that\n *   matches the sub-template in which it was declared.\n * - `�!{index}(:{block})�`/`�/!{index}(:{block})�`: *Projection Placeholder*:  Marks the\n *   beginning and end of <ng-content> that was embedded in the original translation block.\n *   The placeholder `index` points to the element index in the template instructions set.\n *   An optional `block` that matches the sub-template in which it was declared.\n * - `�*{index}:{block}�`/`�/*{index}:{block}�`: *Sub-template Placeholder*: Sub-templates must be\n *   split up and translated separately in each angular template function. The `index` points to the\n *   `template` instruction index. A `block` that matches the sub-template in which it was declared.\n *\n * @param index A unique index of the translation in the static block.\n * @param message The translation message.\n * @param subTemplateIndex Optional sub-template index in the `message`.\n *\n * @codeGenApi\n */\nfunction ɵɵi18nStart(index, message, subTemplateIndex) {\n    var tView = getTView();\n    ngDevMode && assertDefined(tView, \"tView should be defined\");\n    i18nIndexStack[++i18nIndexStackPointer] = index;\n    // We need to delay projections until `i18nEnd`\n    setDelayProjection(true);\n    if (tView.firstCreatePass && tView.data[index + HEADER_OFFSET] === null) {\n        i18nStartFirstPass(getLView(), tView, index, message, subTemplateIndex);\n    }\n}\n// Count for the number of vars that will be allocated for each i18n block.\n// It is global because this is used in multiple functions that include loops and recursive calls.\n// This is reset to 0 when `i18nStartFirstPass` is called.\nvar i18nVarsCount;\n/**\n * See `i18nStart` above.\n */\nfunction i18nStartFirstPass(lView, tView, index, message, subTemplateIndex) {\n    var startIndex = tView.blueprint.length - HEADER_OFFSET;\n    i18nVarsCount = 0;\n    var previousOrParentTNode = getPreviousOrParentTNode();\n    var parentTNode = getIsParent() ? previousOrParentTNode : previousOrParentTNode && previousOrParentTNode.parent;\n    var parentIndex = parentTNode && parentTNode !== lView[T_HOST] ? parentTNode.index - HEADER_OFFSET : index;\n    var parentIndexPointer = 0;\n    parentIndexStack[parentIndexPointer] = parentIndex;\n    var createOpCodes = [];\n    // If the previous node wasn't the direct parent then we have a translation without top level\n    // element and we need to keep a reference of the previous element if there is one\n    if (index > 0 && previousOrParentTNode !== parentTNode) {\n        // Create an OpCode to select the previous TNode\n        createOpCodes.push(previousOrParentTNode.index << 3 /* SHIFT_REF */ | 0 /* Select */);\n    }\n    var updateOpCodes = [];\n    var icuExpressions = [];\n    var templateTranslation = getTranslationForTemplate(message, subTemplateIndex);\n    var msgParts = replaceNgsp(templateTranslation).split(PH_REGEXP);\n    for (var i = 0; i < msgParts.length; i++) {\n        var value = msgParts[i];\n        if (i & 1) {\n            // Odd indexes are placeholders (elements and sub-templates)\n            if (value.charAt(0) === '/') {\n                // It is a closing tag\n                if (value.charAt(1) === \"#\" /* ELEMENT */) {\n                    var phIndex = parseInt(value.substr(2), 10);\n                    parentIndex = parentIndexStack[--parentIndexPointer];\n                    createOpCodes.push(phIndex << 3 /* SHIFT_REF */ | 5 /* ElementEnd */);\n                }\n            }\n            else {\n                var phIndex = parseInt(value.substr(1), 10);\n                // The value represents a placeholder that we move to the designated index\n                createOpCodes.push(phIndex << 3 /* SHIFT_REF */ | 0 /* Select */, parentIndex << 17 /* SHIFT_PARENT */ | 1 /* AppendChild */);\n                if (value.charAt(0) === \"#\" /* ELEMENT */) {\n                    parentIndexStack[++parentIndexPointer] = parentIndex = phIndex;\n                }\n            }\n        }\n        else {\n            // Even indexes are text (including bindings & ICU expressions)\n            var parts = extractParts(value);\n            for (var j = 0; j < parts.length; j++) {\n                if (j & 1) {\n                    // Odd indexes are ICU expressions\n                    // Create the comment node that will anchor the ICU expression\n                    var icuNodeIndex = startIndex + i18nVarsCount++;\n                    createOpCodes.push(COMMENT_MARKER, ngDevMode ? \"ICU \" + icuNodeIndex : '', icuNodeIndex, parentIndex << 17 /* SHIFT_PARENT */ | 1 /* AppendChild */);\n                    // Update codes for the ICU expression\n                    var icuExpression = parts[j];\n                    var mask = getBindingMask(icuExpression);\n                    icuStart(icuExpressions, icuExpression, icuNodeIndex, icuNodeIndex);\n                    // Since this is recursive, the last TIcu that was pushed is the one we want\n                    var tIcuIndex = icuExpressions.length - 1;\n                    updateOpCodes.push(toMaskBit(icuExpression.mainBinding), // mask of the main binding\n                    3, // skip 3 opCodes if not changed\n                    -1 - icuExpression.mainBinding, icuNodeIndex << 2 /* SHIFT_REF */ | 2 /* IcuSwitch */, tIcuIndex, mask, // mask of all the bindings of this ICU expression\n                    2, // skip 2 opCodes if not changed\n                    icuNodeIndex << 2 /* SHIFT_REF */ | 3 /* IcuUpdate */, tIcuIndex);\n                }\n                else if (parts[j] !== '') {\n                    var text = parts[j];\n                    // Even indexes are text (including bindings)\n                    var hasBinding = text.match(BINDING_REGEXP);\n                    // Create text nodes\n                    var textNodeIndex = startIndex + i18nVarsCount++;\n                    createOpCodes.push(\n                    // If there is a binding, the value will be set during update\n                    hasBinding ? '' : text, textNodeIndex, parentIndex << 17 /* SHIFT_PARENT */ | 1 /* AppendChild */);\n                    if (hasBinding) {\n                        addAllToArray(generateBindingUpdateOpCodes(text, textNodeIndex), updateOpCodes);\n                    }\n                }\n            }\n        }\n    }\n    if (i18nVarsCount > 0) {\n        allocExpando(tView, lView, i18nVarsCount);\n    }\n    ngDevMode &&\n        attachI18nOpCodesDebug(createOpCodes, updateOpCodes, icuExpressions.length ? icuExpressions : null, lView);\n    // NOTE: local var needed to properly assert the type of `TI18n`.\n    var tI18n = {\n        vars: i18nVarsCount,\n        create: createOpCodes,\n        update: updateOpCodes,\n        icus: icuExpressions.length ? icuExpressions : null,\n    };\n    tView.data[index + HEADER_OFFSET] = tI18n;\n}\nfunction appendI18nNode(tView, tNode, parentTNode, previousTNode, lView) {\n    ngDevMode && ngDevMode.rendererMoveNode++;\n    var nextNode = tNode.next;\n    if (!previousTNode) {\n        previousTNode = parentTNode;\n    }\n    // Re-organize node tree to put this node in the correct position.\n    if (previousTNode === parentTNode && tNode !== parentTNode.child) {\n        tNode.next = parentTNode.child;\n        parentTNode.child = tNode;\n    }\n    else if (previousTNode !== parentTNode && tNode !== previousTNode.next) {\n        tNode.next = previousTNode.next;\n        previousTNode.next = tNode;\n    }\n    else {\n        tNode.next = null;\n    }\n    if (parentTNode !== lView[T_HOST]) {\n        tNode.parent = parentTNode;\n    }\n    // If tNode was moved around, we might need to fix a broken link.\n    var cursor = tNode.next;\n    while (cursor) {\n        if (cursor.next === tNode) {\n            cursor.next = nextNode;\n        }\n        cursor = cursor.next;\n    }\n    // If the placeholder to append is a projection, we need to move the projected nodes instead\n    if (tNode.type === 1 /* Projection */) {\n        applyProjection(tView, lView, tNode);\n        return tNode;\n    }\n    appendChild(tView, lView, getNativeByTNode(tNode, lView), tNode);\n    var slotValue = lView[tNode.index];\n    if (tNode.type !== 0 /* Container */ && isLContainer(slotValue)) {\n        // Nodes that inject ViewContainerRef also have a comment node that should be moved\n        appendChild(tView, lView, slotValue[NATIVE], tNode);\n    }\n    return tNode;\n}\n/**\n * Handles message string post-processing for internationalization.\n *\n * Handles message string post-processing by transforming it from intermediate\n * format (that might contain some markers that we need to replace) to the final\n * form, consumable by i18nStart instruction. Post processing steps include:\n *\n * 1. Resolve all multi-value cases (like [�*1:1��#2:1�|�#4:1�|�5�])\n * 2. Replace all ICU vars (like \"VAR_PLURAL\")\n * 3. Replace all placeholders used inside ICUs in a form of {PLACEHOLDER}\n * 4. Replace all ICU references with corresponding values (like �ICU_EXP_ICU_1�)\n *    in case multiple ICUs have the same placeholder name\n *\n * @param message Raw translation string for post processing\n * @param replacements Set of replacements that should be applied\n *\n * @returns Transformed string that can be consumed by i18nStart instruction\n *\n * @codeGenApi\n */\nfunction ɵɵi18nPostprocess(message, replacements) {\n    if (replacements === void 0) { replacements = {}; }\n    /**\n     * Step 1: resolve all multi-value placeholders like [�#5�|�*1:1��#2:1�|�#4:1�]\n     *\n     * Note: due to the way we process nested templates (BFS), multi-value placeholders are typically\n     * grouped by templates, for example: [�#5�|�#6�|�#1:1�|�#3:2�] where �#5� and �#6� belong to root\n     * template, �#1:1� belong to nested template with index 1 and �#1:2� - nested template with index\n     * 3. However in real templates the order might be different: i.e. �#1:1� and/or �#3:2� may go in\n     * front of �#6�. The post processing step restores the right order by keeping track of the\n     * template id stack and looks for placeholders that belong to the currently active template.\n     */\n    var result = message;\n    if (PP_MULTI_VALUE_PLACEHOLDERS_REGEXP.test(message)) {\n        var matches_1 = {};\n        var templateIdsStack_1 = [ROOT_TEMPLATE_ID];\n        result = result.replace(PP_PLACEHOLDERS_REGEXP, function (m, phs, tmpl) {\n            var content = phs || tmpl;\n            var placeholders = matches_1[content] || [];\n            if (!placeholders.length) {\n                content.split('|').forEach(function (placeholder) {\n                    var match = placeholder.match(PP_TEMPLATE_ID_REGEXP);\n                    var templateId = match ? parseInt(match[1], 10) : ROOT_TEMPLATE_ID;\n                    var isCloseTemplateTag = PP_CLOSE_TEMPLATE_REGEXP.test(placeholder);\n                    placeholders.push([templateId, isCloseTemplateTag, placeholder]);\n                });\n                matches_1[content] = placeholders;\n            }\n            if (!placeholders.length) {\n                throw new Error(\"i18n postprocess: unmatched placeholder - \" + content);\n            }\n            var currentTemplateId = templateIdsStack_1[templateIdsStack_1.length - 1];\n            var idx = 0;\n            // find placeholder index that matches current template id\n            for (var i = 0; i < placeholders.length; i++) {\n                if (placeholders[i][0] === currentTemplateId) {\n                    idx = i;\n                    break;\n                }\n            }\n            // update template id stack based on the current tag extracted\n            var _a = __read(placeholders[idx], 3), templateId = _a[0], isCloseTemplateTag = _a[1], placeholder = _a[2];\n            if (isCloseTemplateTag) {\n                templateIdsStack_1.pop();\n            }\n            else if (currentTemplateId !== templateId) {\n                templateIdsStack_1.push(templateId);\n            }\n            // remove processed tag from the list\n            placeholders.splice(idx, 1);\n            return placeholder;\n        });\n    }\n    // return current result if no replacements specified\n    if (!Object.keys(replacements).length) {\n        return result;\n    }\n    /**\n     * Step 2: replace all ICU vars (like \"VAR_PLURAL\")\n     */\n    result = result.replace(PP_ICU_VARS_REGEXP, function (match, start, key, _type, _idx, end) {\n        return replacements.hasOwnProperty(key) ? \"\" + start + replacements[key] + end : match;\n    });\n    /**\n     * Step 3: replace all placeholders used inside ICUs in a form of {PLACEHOLDER}\n     */\n    result = result.replace(PP_ICU_PLACEHOLDERS_REGEXP, function (match, key) {\n        return replacements.hasOwnProperty(key) ? replacements[key] : match;\n    });\n    /**\n     * Step 4: replace all ICU references with corresponding values (like �ICU_EXP_ICU_1�) in case\n     * multiple ICUs have the same placeholder name\n     */\n    result = result.replace(PP_ICUS_REGEXP, function (match, key) {\n        if (replacements.hasOwnProperty(key)) {\n            var list = replacements[key];\n            if (!list.length) {\n                throw new Error(\"i18n postprocess: unmatched ICU - \" + match + \" with key: \" + key);\n            }\n            return list.shift();\n        }\n        return match;\n    });\n    return result;\n}\n/**\n * Translates a translation block marked by `i18nStart` and `i18nEnd`. It inserts the text/ICU nodes\n * into the render tree, moves the placeholder nodes and removes the deleted nodes.\n *\n * @codeGenApi\n */\nfunction ɵɵi18nEnd() {\n    var lView = getLView();\n    var tView = getTView();\n    ngDevMode && assertDefined(tView, \"tView should be defined\");\n    i18nEndFirstPass(tView, lView);\n    // Stop delaying projections\n    setDelayProjection(false);\n}\n/**\n * See `i18nEnd` above.\n */\nfunction i18nEndFirstPass(tView, lView) {\n    ngDevMode && assertEqual(getBindingIndex(), tView.bindingStartIndex, 'i18nEnd should be called before any binding');\n    var rootIndex = i18nIndexStack[i18nIndexStackPointer--];\n    var tI18n = tView.data[rootIndex + HEADER_OFFSET];\n    ngDevMode && assertDefined(tI18n, \"You should call i18nStart before i18nEnd\");\n    // Find the last node that was added before `i18nEnd`\n    var lastCreatedNode = getPreviousOrParentTNode();\n    // Read the instructions to insert/move/remove DOM elements\n    var visitedNodes = readCreateOpCodes(rootIndex, tI18n.create, tView, lView);\n    // Remove deleted nodes\n    var index = rootIndex + 1;\n    while (index <= lastCreatedNode.index - HEADER_OFFSET) {\n        if (visitedNodes.indexOf(index) === -1) {\n            removeNode(tView, lView, index, /* markAsDetached */ true);\n        }\n        // Check if an element has any local refs and skip them\n        var tNode = getTNode(tView, index);\n        if (tNode && (tNode.type === 3 /* Element */ || tNode.type === 4 /* ElementContainer */) &&\n            tNode.localNames !== null) {\n            // Divide by 2 to get the number of local refs,\n            // since they are stored as an array that also includes directive indexes,\n            // i.e. [\"localRef\", directiveIndex, ...]\n            index += tNode.localNames.length >> 1;\n        }\n        index++;\n    }\n}\n/**\n * Creates and stores the dynamic TNode, and unhooks it from the tree for now.\n */\nfunction createDynamicNodeAtIndex(tView, lView, index, type, native, name) {\n    var previousOrParentTNode = getPreviousOrParentTNode();\n    ngDevMode && assertDataInRange(lView, index + HEADER_OFFSET);\n    lView[index + HEADER_OFFSET] = native;\n    var tNode = getOrCreateTNode(tView, lView[T_HOST], index, type, name, null);\n    // We are creating a dynamic node, the previous tNode might not be pointing at this node.\n    // We will link ourselves into the tree later with `appendI18nNode`.\n    if (previousOrParentTNode && previousOrParentTNode.next === tNode) {\n        previousOrParentTNode.next = null;\n    }\n    return tNode;\n}\nfunction readCreateOpCodes(index, createOpCodes, tView, lView) {\n    var renderer = lView[RENDERER];\n    var currentTNode = null;\n    var previousTNode = null;\n    var visitedNodes = [];\n    for (var i = 0; i < createOpCodes.length; i++) {\n        var opCode = createOpCodes[i];\n        if (typeof opCode == 'string') {\n            var textRNode = createTextNode(opCode, renderer);\n            var textNodeIndex = createOpCodes[++i];\n            ngDevMode && ngDevMode.rendererCreateTextNode++;\n            previousTNode = currentTNode;\n            currentTNode =\n                createDynamicNodeAtIndex(tView, lView, textNodeIndex, 3 /* Element */, textRNode, null);\n            visitedNodes.push(textNodeIndex);\n            setIsNotParent();\n        }\n        else if (typeof opCode == 'number') {\n            switch (opCode & 7 /* MASK_OPCODE */) {\n                case 1 /* AppendChild */:\n                    var destinationNodeIndex = opCode >>> 17 /* SHIFT_PARENT */;\n                    var destinationTNode = void 0;\n                    if (destinationNodeIndex === index) {\n                        // If the destination node is `i18nStart`, we don't have a\n                        // top-level node and we should use the host node instead\n                        destinationTNode = lView[T_HOST];\n                    }\n                    else {\n                        destinationTNode = getTNode(tView, destinationNodeIndex);\n                    }\n                    ngDevMode &&\n                        assertDefined(currentTNode, \"You need to create or select a node before you can insert it into the DOM\");\n                    previousTNode =\n                        appendI18nNode(tView, currentTNode, destinationTNode, previousTNode, lView);\n                    break;\n                case 0 /* Select */:\n                    var nodeIndex = opCode >>> 3 /* SHIFT_REF */;\n                    visitedNodes.push(nodeIndex);\n                    previousTNode = currentTNode;\n                    currentTNode = getTNode(tView, nodeIndex);\n                    if (currentTNode) {\n                        setPreviousOrParentTNode(currentTNode, currentTNode.type === 3 /* Element */);\n                    }\n                    break;\n                case 5 /* ElementEnd */:\n                    var elementIndex = opCode >>> 3 /* SHIFT_REF */;\n                    previousTNode = currentTNode = getTNode(tView, elementIndex);\n                    setPreviousOrParentTNode(currentTNode, false);\n                    break;\n                case 4 /* Attr */:\n                    var elementNodeIndex = opCode >>> 3 /* SHIFT_REF */;\n                    var attrName = createOpCodes[++i];\n                    var attrValue = createOpCodes[++i];\n                    // This code is used for ICU expressions only, since we don't support\n                    // directives/components in ICUs, we don't need to worry about inputs here\n                    elementAttributeInternal(elementNodeIndex, attrName, attrValue, tView, lView);\n                    break;\n                default:\n                    throw new Error(\"Unable to determine the type of mutate operation for \\\"\" + opCode + \"\\\"\");\n            }\n        }\n        else {\n            switch (opCode) {\n                case COMMENT_MARKER:\n                    var commentValue = createOpCodes[++i];\n                    var commentNodeIndex = createOpCodes[++i];\n                    ngDevMode && assertEqual(typeof commentValue, 'string', \"Expected \\\"\" + commentValue + \"\\\" to be a comment node value\");\n                    var commentRNode = renderer.createComment(commentValue);\n                    ngDevMode && ngDevMode.rendererCreateComment++;\n                    previousTNode = currentTNode;\n                    currentTNode = createDynamicNodeAtIndex(tView, lView, commentNodeIndex, 5 /* IcuContainer */, commentRNode, null);\n                    visitedNodes.push(commentNodeIndex);\n                    attachPatchData(commentRNode, lView);\n                    currentTNode.activeCaseIndex = null;\n                    // We will add the case nodes later, during the update phase\n                    setIsNotParent();\n                    break;\n                case ELEMENT_MARKER:\n                    var tagNameValue = createOpCodes[++i];\n                    var elementNodeIndex = createOpCodes[++i];\n                    ngDevMode && assertEqual(typeof tagNameValue, 'string', \"Expected \\\"\" + tagNameValue + \"\\\" to be an element node tag name\");\n                    var elementRNode = renderer.createElement(tagNameValue);\n                    ngDevMode && ngDevMode.rendererCreateElement++;\n                    previousTNode = currentTNode;\n                    currentTNode = createDynamicNodeAtIndex(tView, lView, elementNodeIndex, 3 /* Element */, elementRNode, tagNameValue);\n                    visitedNodes.push(elementNodeIndex);\n                    break;\n                default:\n                    throw new Error(\"Unable to determine the type of mutate operation for \\\"\" + opCode + \"\\\"\");\n            }\n        }\n    }\n    setIsNotParent();\n    return visitedNodes;\n}\nfunction readUpdateOpCodes(updateOpCodes, icus, bindingsStartIndex, changeMask, tView, lView, bypassCheckBit) {\n    if (bypassCheckBit === void 0) { bypassCheckBit = false; }\n    var caseCreated = false;\n    for (var i = 0; i < updateOpCodes.length; i++) {\n        // bit code to check if we should apply the next update\n        var checkBit = updateOpCodes[i];\n        // Number of opCodes to skip until next set of update codes\n        var skipCodes = updateOpCodes[++i];\n        if (bypassCheckBit || (checkBit & changeMask)) {\n            // The value has been updated since last checked\n            var value = '';\n            for (var j = i + 1; j <= (i + skipCodes); j++) {\n                var opCode = updateOpCodes[j];\n                if (typeof opCode == 'string') {\n                    value += opCode;\n                }\n                else if (typeof opCode == 'number') {\n                    if (opCode < 0) {\n                        // It's a binding index whose value is negative\n                        value += renderStringify(lView[bindingsStartIndex - opCode]);\n                    }\n                    else {\n                        var nodeIndex = opCode >>> 2 /* SHIFT_REF */;\n                        var tIcuIndex = void 0;\n                        var tIcu = void 0;\n                        var icuTNode = void 0;\n                        switch (opCode & 3 /* MASK_OPCODE */) {\n                            case 1 /* Attr */:\n                                var propName = updateOpCodes[++j];\n                                var sanitizeFn = updateOpCodes[++j];\n                                elementPropertyInternal(tView, lView, nodeIndex, propName, value, sanitizeFn);\n                                break;\n                            case 0 /* Text */:\n                                textBindingInternal(lView, nodeIndex, value);\n                                break;\n                            case 2 /* IcuSwitch */:\n                                tIcuIndex = updateOpCodes[++j];\n                                tIcu = icus[tIcuIndex];\n                                icuTNode = getTNode(tView, nodeIndex);\n                                // If there is an active case, delete the old nodes\n                                if (icuTNode.activeCaseIndex !== null) {\n                                    var removeCodes = tIcu.remove[icuTNode.activeCaseIndex];\n                                    for (var k = 0; k < removeCodes.length; k++) {\n                                        var removeOpCode = removeCodes[k];\n                                        switch (removeOpCode & 7 /* MASK_OPCODE */) {\n                                            case 3 /* Remove */:\n                                                var nodeIndex_1 = removeOpCode >>> 3 /* SHIFT_REF */;\n                                                // Remove DOM element, but do *not* mark TNode as detached, since we are\n                                                // just switching ICU cases (while keeping the same TNode), so a DOM element\n                                                // representing a new ICU case will be re-created.\n                                                removeNode(tView, lView, nodeIndex_1, /* markAsDetached */ false);\n                                                break;\n                                            case 6 /* RemoveNestedIcu */:\n                                                var nestedIcuNodeIndex = removeCodes[k + 1] >>> 3 /* SHIFT_REF */;\n                                                var nestedIcuTNode = getTNode(tView, nestedIcuNodeIndex);\n                                                var activeIndex = nestedIcuTNode.activeCaseIndex;\n                                                if (activeIndex !== null) {\n                                                    var nestedIcuTIndex = removeOpCode >>> 3 /* SHIFT_REF */;\n                                                    var nestedTIcu = icus[nestedIcuTIndex];\n                                                    addAllToArray(nestedTIcu.remove[activeIndex], removeCodes);\n                                                }\n                                                break;\n                                        }\n                                    }\n                                }\n                                // Update the active caseIndex\n                                var caseIndex = getCaseIndex(tIcu, value);\n                                icuTNode.activeCaseIndex = caseIndex !== -1 ? caseIndex : null;\n                                if (caseIndex > -1) {\n                                    // Add the nodes for the new case\n                                    readCreateOpCodes(-1, tIcu.create[caseIndex], tView, lView);\n                                    caseCreated = true;\n                                }\n                                break;\n                            case 3 /* IcuUpdate */:\n                                tIcuIndex = updateOpCodes[++j];\n                                tIcu = icus[tIcuIndex];\n                                icuTNode = getTNode(tView, nodeIndex);\n                                if (icuTNode.activeCaseIndex !== null) {\n                                    readUpdateOpCodes(tIcu.update[icuTNode.activeCaseIndex], icus, bindingsStartIndex, changeMask, tView, lView, caseCreated);\n                                }\n                                break;\n                        }\n                    }\n                }\n            }\n        }\n        i += skipCodes;\n    }\n}\nfunction removeNode(tView, lView, index, markAsDetached) {\n    var removedPhTNode = getTNode(tView, index);\n    var removedPhRNode = getNativeByIndex(index, lView);\n    if (removedPhRNode) {\n        nativeRemoveNode(lView[RENDERER], removedPhRNode);\n    }\n    var slotValue = load(lView, index);\n    if (isLContainer(slotValue)) {\n        var lContainer = slotValue;\n        if (removedPhTNode.type !== 0 /* Container */) {\n            nativeRemoveNode(lView[RENDERER], lContainer[NATIVE]);\n        }\n    }\n    if (markAsDetached) {\n        // Define this node as detached to avoid projecting it later\n        removedPhTNode.flags |= 64 /* isDetached */;\n    }\n    ngDevMode && ngDevMode.rendererRemoveNode++;\n}\n/**\n *\n * Use this instruction to create a translation block that doesn't contain any placeholder.\n * It calls both {@link i18nStart} and {@link i18nEnd} in one instruction.\n *\n * The translation `message` is the value which is locale specific. The translation string may\n * contain placeholders which associate inner elements and sub-templates within the translation.\n *\n * The translation `message` placeholders are:\n * - `�{index}(:{block})�`: *Binding Placeholder*: Marks a location where an expression will be\n *   interpolated into. The placeholder `index` points to the expression binding index. An optional\n *   `block` that matches the sub-template in which it was declared.\n * - `�#{index}(:{block})�`/`�/#{index}(:{block})�`: *Element Placeholder*:  Marks the beginning\n *   and end of DOM element that were embedded in the original translation block. The placeholder\n *   `index` points to the element index in the template instructions set. An optional `block` that\n *   matches the sub-template in which it was declared.\n * - `�*{index}:{block}�`/`�/*{index}:{block}�`: *Sub-template Placeholder*: Sub-templates must be\n *   split up and translated separately in each angular template function. The `index` points to the\n *   `template` instruction index. A `block` that matches the sub-template in which it was declared.\n *\n * @param index A unique index of the translation in the static block.\n * @param message The translation message.\n * @param subTemplateIndex Optional sub-template index in the `message`.\n *\n * @codeGenApi\n */\nfunction ɵɵi18n(index, message, subTemplateIndex) {\n    ɵɵi18nStart(index, message, subTemplateIndex);\n    ɵɵi18nEnd();\n}\n/**\n * Marks a list of attributes as translatable.\n *\n * @param index A unique index in the static block\n * @param values\n *\n * @codeGenApi\n */\nfunction ɵɵi18nAttributes(index, values) {\n    var lView = getLView();\n    var tView = getTView();\n    ngDevMode && assertDefined(tView, \"tView should be defined\");\n    i18nAttributesFirstPass(lView, tView, index, values);\n}\n/**\n * See `i18nAttributes` above.\n */\nfunction i18nAttributesFirstPass(lView, tView, index, values) {\n    var previousElement = getPreviousOrParentTNode();\n    var previousElementIndex = previousElement.index - HEADER_OFFSET;\n    var updateOpCodes = [];\n    for (var i = 0; i < values.length; i += 2) {\n        var attrName = values[i];\n        var message = values[i + 1];\n        var parts = message.split(ICU_REGEXP);\n        for (var j = 0; j < parts.length; j++) {\n            var value = parts[j];\n            if (j & 1) {\n                // Odd indexes are ICU expressions\n                // TODO(ocombe): support ICU expressions in attributes\n                throw new Error('ICU expressions are not yet supported in attributes');\n            }\n            else if (value !== '') {\n                // Even indexes are text (including bindings)\n                var hasBinding = !!value.match(BINDING_REGEXP);\n                if (hasBinding) {\n                    if (tView.firstCreatePass && tView.data[index + HEADER_OFFSET] === null) {\n                        addAllToArray(generateBindingUpdateOpCodes(value, previousElementIndex, attrName), updateOpCodes);\n                    }\n                }\n                else {\n                    var tNode = getTNode(tView, previousElementIndex);\n                    // Set attributes for Elements only, for other types (like ElementContainer),\n                    // only set inputs below\n                    if (tNode.type === 3 /* Element */) {\n                        elementAttributeInternal(previousElementIndex, attrName, value, tView, lView);\n                    }\n                    // Check if that attribute is a directive input\n                    var dataValue = tNode.inputs !== null && tNode.inputs[attrName];\n                    if (dataValue) {\n                        setInputsForProperty(tView, lView, dataValue, attrName, value);\n                        if (ngDevMode) {\n                            var element = getNativeByIndex(previousElementIndex, lView);\n                            setNgReflectProperties(lView, element, tNode.type, dataValue, value);\n                        }\n                    }\n                }\n            }\n        }\n    }\n    if (tView.firstCreatePass && tView.data[index + HEADER_OFFSET] === null) {\n        tView.data[index + HEADER_OFFSET] = updateOpCodes;\n    }\n}\nvar changeMask = 0;\nvar shiftsCounter = 0;\n/**\n * Stores the values of the bindings during each update cycle in order to determine if we need to\n * update the translated nodes.\n *\n * @param value The binding's value\n * @returns This function returns itself so that it may be chained\n * (e.g. `i18nExp(ctx.name)(ctx.title)`)\n *\n * @codeGenApi\n */\nfunction ɵɵi18nExp(value) {\n    var lView = getLView();\n    if (bindingUpdated(lView, nextBindingIndex(), value)) {\n        changeMask = changeMask | (1 << shiftsCounter);\n    }\n    shiftsCounter++;\n    return ɵɵi18nExp;\n}\n/**\n * Updates a translation block or an i18n attribute when the bindings have changed.\n *\n * @param index Index of either {@link i18nStart} (translation block) or {@link i18nAttributes}\n * (i18n attribute) on which it should update the content.\n *\n * @codeGenApi\n */\nfunction ɵɵi18nApply(index) {\n    if (shiftsCounter) {\n        var tView = getTView();\n        ngDevMode && assertDefined(tView, \"tView should be defined\");\n        var tI18n = tView.data[index + HEADER_OFFSET];\n        var updateOpCodes = void 0;\n        var icus = null;\n        if (Array.isArray(tI18n)) {\n            updateOpCodes = tI18n;\n        }\n        else {\n            updateOpCodes = tI18n.update;\n            icus = tI18n.icus;\n        }\n        var bindingsStartIndex = getBindingIndex() - shiftsCounter - 1;\n        var lView = getLView();\n        readUpdateOpCodes(updateOpCodes, icus, bindingsStartIndex, changeMask, tView, lView);\n        // Reset changeMask & maskBit to default for the next update cycle\n        changeMask = 0;\n        shiftsCounter = 0;\n    }\n}\n/**\n * Returns the index of the current case of an ICU expression depending on the main binding value\n *\n * @param icuExpression\n * @param bindingValue The value of the main binding used by this ICU expression\n */\nfunction getCaseIndex(icuExpression, bindingValue) {\n    var index = icuExpression.cases.indexOf(bindingValue);\n    if (index === -1) {\n        switch (icuExpression.type) {\n            case 1 /* plural */: {\n                var resolvedCase = getPluralCase(bindingValue, getLocaleId());\n                index = icuExpression.cases.indexOf(resolvedCase);\n                if (index === -1 && resolvedCase !== 'other') {\n                    index = icuExpression.cases.indexOf('other');\n                }\n                break;\n            }\n            case 0 /* select */: {\n                index = icuExpression.cases.indexOf('other');\n                break;\n            }\n        }\n    }\n    return index;\n}\n/**\n * Generate the OpCodes for ICU expressions.\n *\n * @param tIcus\n * @param icuExpression\n * @param startIndex\n * @param expandoStartIndex\n */\nfunction icuStart(tIcus, icuExpression, startIndex, expandoStartIndex) {\n    var createCodes = [];\n    var removeCodes = [];\n    var updateCodes = [];\n    var vars = [];\n    var childIcus = [];\n    for (var i = 0; i < icuExpression.values.length; i++) {\n        // Each value is an array of strings & other ICU expressions\n        var valueArr = icuExpression.values[i];\n        var nestedIcus = [];\n        for (var j = 0; j < valueArr.length; j++) {\n            var value = valueArr[j];\n            if (typeof value !== 'string') {\n                // It is an nested ICU expression\n                var icuIndex = nestedIcus.push(value) - 1;\n                // Replace nested ICU expression by a comment node\n                valueArr[j] = \"<!--\\uFFFD\" + icuIndex + \"\\uFFFD-->\";\n            }\n        }\n        var icuCase = parseIcuCase(valueArr.join(''), startIndex, nestedIcus, tIcus, expandoStartIndex);\n        createCodes.push(icuCase.create);\n        removeCodes.push(icuCase.remove);\n        updateCodes.push(icuCase.update);\n        vars.push(icuCase.vars);\n        childIcus.push(icuCase.childIcus);\n    }\n    var tIcu = {\n        type: icuExpression.type,\n        vars: vars,\n        childIcus: childIcus,\n        cases: icuExpression.cases,\n        create: createCodes,\n        remove: removeCodes,\n        update: updateCodes\n    };\n    tIcus.push(tIcu);\n    // Adding the maximum possible of vars needed (based on the cases with the most vars)\n    i18nVarsCount += Math.max.apply(Math, __spread(vars));\n}\n/**\n * Transforms a string template into an HTML template and a list of instructions used to update\n * attributes or nodes that contain bindings.\n *\n * @param unsafeHtml The string to parse\n * @param parentIndex\n * @param nestedIcus\n * @param tIcus\n * @param expandoStartIndex\n */\nfunction parseIcuCase(unsafeHtml, parentIndex, nestedIcus, tIcus, expandoStartIndex) {\n    var inertBodyHelper = new InertBodyHelper(getDocument());\n    var inertBodyElement = inertBodyHelper.getInertBodyElement(unsafeHtml);\n    if (!inertBodyElement) {\n        throw new Error('Unable to generate inert body element');\n    }\n    var wrapper = getTemplateContent(inertBodyElement) || inertBodyElement;\n    var opCodes = { vars: 0, childIcus: [], create: [], remove: [], update: [] };\n    parseNodes(wrapper.firstChild, opCodes, parentIndex, nestedIcus, tIcus, expandoStartIndex);\n    return opCodes;\n}\nvar NESTED_ICU = /�(\\d+)�/;\n/**\n * Parses a node, its children and its siblings, and generates the mutate & update OpCodes.\n *\n * @param currentNode The first node to parse\n * @param icuCase The data for the ICU expression case that contains those nodes\n * @param parentIndex Index of the current node's parent\n * @param nestedIcus Data for the nested ICU expressions that this case contains\n * @param tIcus Data for all ICU expressions of the current message\n * @param expandoStartIndex Expando start index for the current ICU expression\n */\nfunction parseNodes(currentNode, icuCase, parentIndex, nestedIcus, tIcus, expandoStartIndex) {\n    if (currentNode) {\n        var nestedIcusToCreate = [];\n        while (currentNode) {\n            var nextNode = currentNode.nextSibling;\n            var newIndex = expandoStartIndex + ++icuCase.vars;\n            switch (currentNode.nodeType) {\n                case Node.ELEMENT_NODE:\n                    var element = currentNode;\n                    var tagName = element.tagName.toLowerCase();\n                    if (!VALID_ELEMENTS.hasOwnProperty(tagName)) {\n                        // This isn't a valid element, we won't create an element for it\n                        icuCase.vars--;\n                    }\n                    else {\n                        icuCase.create.push(ELEMENT_MARKER, tagName, newIndex, parentIndex << 17 /* SHIFT_PARENT */ | 1 /* AppendChild */);\n                        var elAttrs = element.attributes;\n                        for (var i = 0; i < elAttrs.length; i++) {\n                            var attr = elAttrs.item(i);\n                            var lowerAttrName = attr.name.toLowerCase();\n                            var hasBinding_1 = !!attr.value.match(BINDING_REGEXP);\n                            // we assume the input string is safe, unless it's using a binding\n                            if (hasBinding_1) {\n                                if (VALID_ATTRS.hasOwnProperty(lowerAttrName)) {\n                                    if (URI_ATTRS[lowerAttrName]) {\n                                        addAllToArray(generateBindingUpdateOpCodes(attr.value, newIndex, attr.name, _sanitizeUrl), icuCase.update);\n                                    }\n                                    else if (SRCSET_ATTRS[lowerAttrName]) {\n                                        addAllToArray(generateBindingUpdateOpCodes(attr.value, newIndex, attr.name, sanitizeSrcset), icuCase.update);\n                                    }\n                                    else {\n                                        addAllToArray(generateBindingUpdateOpCodes(attr.value, newIndex, attr.name), icuCase.update);\n                                    }\n                                }\n                                else {\n                                    ngDevMode &&\n                                        console.warn(\"WARNING: ignoring unsafe attribute value \" + lowerAttrName + \" on element \" + tagName + \" (see http://g.co/ng/security#xss)\");\n                                }\n                            }\n                            else {\n                                icuCase.create.push(newIndex << 3 /* SHIFT_REF */ | 4 /* Attr */, attr.name, attr.value);\n                            }\n                        }\n                        // Parse the children of this node (if any)\n                        parseNodes(currentNode.firstChild, icuCase, newIndex, nestedIcus, tIcus, expandoStartIndex);\n                        // Remove the parent node after the children\n                        icuCase.remove.push(newIndex << 3 /* SHIFT_REF */ | 3 /* Remove */);\n                    }\n                    break;\n                case Node.TEXT_NODE:\n                    var value = currentNode.textContent || '';\n                    var hasBinding = value.match(BINDING_REGEXP);\n                    icuCase.create.push(hasBinding ? '' : value, newIndex, parentIndex << 17 /* SHIFT_PARENT */ | 1 /* AppendChild */);\n                    icuCase.remove.push(newIndex << 3 /* SHIFT_REF */ | 3 /* Remove */);\n                    if (hasBinding) {\n                        addAllToArray(generateBindingUpdateOpCodes(value, newIndex), icuCase.update);\n                    }\n                    break;\n                case Node.COMMENT_NODE:\n                    // Check if the comment node is a placeholder for a nested ICU\n                    var match = NESTED_ICU.exec(currentNode.textContent || '');\n                    if (match) {\n                        var nestedIcuIndex = parseInt(match[1], 10);\n                        var newLocal = ngDevMode ? \"nested ICU \" + nestedIcuIndex : '';\n                        // Create the comment node that will anchor the ICU expression\n                        icuCase.create.push(COMMENT_MARKER, newLocal, newIndex, parentIndex << 17 /* SHIFT_PARENT */ | 1 /* AppendChild */);\n                        var nestedIcu = nestedIcus[nestedIcuIndex];\n                        nestedIcusToCreate.push([nestedIcu, newIndex]);\n                    }\n                    else {\n                        // We do not handle any other type of comment\n                        icuCase.vars--;\n                    }\n                    break;\n                default:\n                    // We do not handle any other type of element\n                    icuCase.vars--;\n            }\n            currentNode = nextNode;\n        }\n        for (var i = 0; i < nestedIcusToCreate.length; i++) {\n            var nestedIcu = nestedIcusToCreate[i][0];\n            var nestedIcuNodeIndex = nestedIcusToCreate[i][1];\n            icuStart(tIcus, nestedIcu, nestedIcuNodeIndex, expandoStartIndex + icuCase.vars);\n            // Since this is recursive, the last TIcu that was pushed is the one we want\n            var nestTIcuIndex = tIcus.length - 1;\n            icuCase.vars += Math.max.apply(Math, __spread(tIcus[nestTIcuIndex].vars));\n            icuCase.childIcus.push(nestTIcuIndex);\n            var mask = getBindingMask(nestedIcu);\n            icuCase.update.push(toMaskBit(nestedIcu.mainBinding), // mask of the main binding\n            3, // skip 3 opCodes if not changed\n            -1 - nestedIcu.mainBinding, nestedIcuNodeIndex << 2 /* SHIFT_REF */ | 2 /* IcuSwitch */, nestTIcuIndex, mask, // mask of all the bindings of this ICU expression\n            2, // skip 2 opCodes if not changed\n            nestedIcuNodeIndex << 2 /* SHIFT_REF */ | 3 /* IcuUpdate */, nestTIcuIndex);\n            icuCase.remove.push(nestTIcuIndex << 3 /* SHIFT_REF */ | 6 /* RemoveNestedIcu */, nestedIcuNodeIndex << 3 /* SHIFT_REF */ | 3 /* Remove */);\n        }\n    }\n}\n/**\n * Angular Dart introduced &ngsp; as a placeholder for non-removable space, see:\n * https://github.com/dart-lang/angular/blob/0bb611387d29d65b5af7f9d2515ab571fd3fbee4/_tests/test/compiler/preserve_whitespace_test.dart#L25-L32\n * In Angular Dart &ngsp; is converted to the 0xE500 PUA (Private Use Areas) unicode character\n * and later on replaced by a space. We are re-implementing the same idea here, since translations\n * might contain this special character.\n */\nvar NGSP_UNICODE_REGEXP = /\\uE500/g;\nfunction replaceNgsp(value) {\n    return value.replace(NGSP_UNICODE_REGEXP, ' ');\n}\n/**\n * The locale id that the application is currently using (for translations and ICU expressions).\n * This is the ivy version of `LOCALE_ID` that was defined as an injection token for the view engine\n * but is now defined as a global value.\n */\nvar LOCALE_ID = DEFAULT_LOCALE_ID;\n/**\n * Sets the locale id that will be used for translations and ICU expressions.\n * This is the ivy version of `LOCALE_ID` that was defined as an injection token for the view engine\n * but is now defined as a global value.\n *\n * @param localeId\n */\nfunction setLocaleId(localeId) {\n    assertDefined(localeId, \"Expected localeId to be defined\");\n    if (typeof localeId === 'string') {\n        LOCALE_ID = localeId.toLowerCase().replace(/_/g, '-');\n    }\n}\n/**\n * Gets the locale id that will be used for translations and ICU expressions.\n * This is the ivy version of `LOCALE_ID` that was defined as an injection token for the view engine\n * but is now defined as a global value.\n */\nfunction getLocaleId() {\n    return LOCALE_ID;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Map of module-id to the corresponding NgModule.\n * - In pre Ivy we track NgModuleFactory,\n * - In post Ivy we track the NgModuleType\n */\nvar modules = new Map();\n/**\n * Registers a loaded module. Should only be called from generated NgModuleFactory code.\n * @publicApi\n */\nfunction registerModuleFactory(id, factory) {\n    var existing = modules.get(id);\n    assertSameOrNotExisting(id, existing && existing.moduleType, factory.moduleType);\n    modules.set(id, factory);\n}\nfunction assertSameOrNotExisting(id, type, incoming) {\n    if (type && type !== incoming) {\n        throw new Error(\"Duplicate module registered for \" + id + \" - \" + stringify(type) + \" vs \" + stringify(type.name));\n    }\n}\nfunction registerNgModuleType(ngModuleType) {\n    if (ngModuleType.ɵmod.id !== null) {\n        var id = ngModuleType.ɵmod.id;\n        var existing = modules.get(id);\n        assertSameOrNotExisting(id, existing, ngModuleType);\n        modules.set(id, ngModuleType);\n    }\n    var imports = ngModuleType.ɵmod.imports;\n    if (imports instanceof Function) {\n        imports = imports();\n    }\n    if (imports) {\n        imports.forEach(function (i) { return registerNgModuleType(i); });\n    }\n}\nfunction clearModulesForTest() {\n    modules.clear();\n}\nfunction getRegisteredNgModuleType(id) {\n    return modules.get(id) || autoRegisterModuleById[id];\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar COMPONENT_FACTORY_RESOLVER = {\n    provide: ComponentFactoryResolver,\n    useClass: ComponentFactoryResolver$1,\n    deps: [NgModuleRef],\n};\nvar NgModuleRef$1 = /** @class */ (function (_super) {\n    __extends(NgModuleRef$1, _super);\n    function NgModuleRef$1(ngModuleType, _parent) {\n        var _this = _super.call(this) || this;\n        _this._parent = _parent;\n        // tslint:disable-next-line:require-internal-with-underscore\n        _this._bootstrapComponents = [];\n        _this.injector = _this;\n        _this.destroyCbs = [];\n        var ngModuleDef = getNgModuleDef(ngModuleType);\n        ngDevMode && assertDefined(ngModuleDef, \"NgModule '\" + stringify(ngModuleType) + \"' is not a subtype of 'NgModuleType'.\");\n        var ngLocaleIdDef = getNgLocaleIdDef(ngModuleType);\n        if (ngLocaleIdDef) {\n            setLocaleId(ngLocaleIdDef);\n        }\n        _this._bootstrapComponents = maybeUnwrapFn(ngModuleDef.bootstrap);\n        var additionalProviders = [\n            {\n                provide: NgModuleRef,\n                useValue: _this,\n            },\n            COMPONENT_FACTORY_RESOLVER\n        ];\n        _this._r3Injector = createInjector(ngModuleType, _parent, additionalProviders, stringify(ngModuleType));\n        _this.instance = _this.get(ngModuleType);\n        return _this;\n    }\n    NgModuleRef$1.prototype.get = function (token, notFoundValue, injectFlags) {\n        if (notFoundValue === void 0) { notFoundValue = Injector.THROW_IF_NOT_FOUND; }\n        if (injectFlags === void 0) { injectFlags = InjectFlags.Default; }\n        if (token === Injector || token === NgModuleRef || token === INJECTOR) {\n            return this;\n        }\n        return this._r3Injector.get(token, notFoundValue, injectFlags);\n    };\n    Object.defineProperty(NgModuleRef$1.prototype, \"componentFactoryResolver\", {\n        get: function () {\n            return this.get(ComponentFactoryResolver);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    NgModuleRef$1.prototype.destroy = function () {\n        ngDevMode && assertDefined(this.destroyCbs, 'NgModule already destroyed');\n        var injector = this._r3Injector;\n        !injector.destroyed && injector.destroy();\n        this.destroyCbs.forEach(function (fn) { return fn(); });\n        this.destroyCbs = null;\n    };\n    NgModuleRef$1.prototype.onDestroy = function (callback) {\n        ngDevMode && assertDefined(this.destroyCbs, 'NgModule already destroyed');\n        this.destroyCbs.push(callback);\n    };\n    return NgModuleRef$1;\n}(NgModuleRef));\nvar NgModuleFactory$1 = /** @class */ (function (_super) {\n    __extends(NgModuleFactory, _super);\n    function NgModuleFactory(moduleType) {\n        var _this = _super.call(this) || this;\n        _this.moduleType = moduleType;\n        var ngModuleDef = getNgModuleDef(moduleType);\n        if (ngModuleDef !== null) {\n            // Register the NgModule with Angular's module registry. The location (and hence timing) of\n            // this call is critical to ensure this works correctly (modules get registered when expected)\n            // without bloating bundles (modules are registered when otherwise not referenced).\n            //\n            // In View Engine, registration occurs in the .ngfactory.js file as a side effect. This has\n            // several practical consequences:\n            //\n            // - If an .ngfactory file is not imported from, the module won't be registered (and can be\n            //   tree shaken).\n            // - If an .ngfactory file is imported from, the module will be registered even if an instance\n            //   is not actually created (via `create` below).\n            // - Since an .ngfactory file in View Engine references the .ngfactory files of the NgModule's\n            //   imports,\n            //\n            // In Ivy, things are a bit different. .ngfactory files still exist for compatibility, but are\n            // not a required API to use - there are other ways to obtain an NgModuleFactory for a given\n            // NgModule. Thus, relying on a side effect in the .ngfactory file is not sufficient. Instead,\n            // the side effect of registration is added here, in the constructor of NgModuleFactory,\n            // ensuring no matter how a factory is created, the module is registered correctly.\n            //\n            // An alternative would be to include the registration side effect inline following the actual\n            // NgModule definition. This also has the correct timing, but breaks tree-shaking - modules\n            // will be registered and retained even if they're otherwise never referenced.\n            registerNgModuleType(moduleType);\n        }\n        return _this;\n    }\n    NgModuleFactory.prototype.create = function (parentInjector) {\n        return new NgModuleRef$1(this.moduleType, parentInjector);\n    };\n    return NgModuleFactory;\n}(NgModuleFactory));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Adds decorator, constructor, and property metadata to a given type via static metadata fields\n * on the type.\n *\n * These metadata fields can later be read with Angular's `ReflectionCapabilities` API.\n *\n * Calls to `setClassMetadata` can be marked as pure, resulting in the metadata assignments being\n * tree-shaken away during production builds.\n */\nfunction setClassMetadata(type, decorators, ctorParameters, propDecorators) {\n    return noSideEffects(function () {\n        var _a;\n        var clazz = type;\n        // We determine whether a class has its own metadata by taking the metadata from the parent\n        // constructor and checking whether it's the same as the subclass metadata below. We can't use\n        // `hasOwnProperty` here because it doesn't work correctly in IE10 for static fields that are\n        // defined by TS. See https://github.com/angular/angular/pull/28439#issuecomment-459349218.\n        var parentPrototype = clazz.prototype ? Object.getPrototypeOf(clazz.prototype) : null;\n        var parentConstructor = parentPrototype && parentPrototype.constructor;\n        if (decorators !== null) {\n            if (clazz.decorators !== undefined &&\n                (!parentConstructor || parentConstructor.decorators !== clazz.decorators)) {\n                (_a = clazz.decorators).push.apply(_a, __spread(decorators));\n            }\n            else {\n                clazz.decorators = decorators;\n            }\n        }\n        if (ctorParameters !== null) {\n            // Rather than merging, clobber the existing parameters. If other projects exist which use\n            // tsickle-style annotations and reflect over them in the same way, this could cause issues,\n            // but that is vanishingly unlikely.\n            clazz.ctorParameters = ctorParameters;\n        }\n        if (propDecorators !== null) {\n            // The property decorator objects are merged as it is possible different fields have different\n            // decorator types. Decorators on individual fields are not merged, as it's also incredibly\n            // unlikely that a field will be decorated both with an Angular decorator and a non-Angular\n            // decorator that's also been downleveled.\n            if (clazz.propDecorators !== undefined &&\n                (!parentConstructor || parentConstructor.propDecorators !== clazz.propDecorators)) {\n                clazz.propDecorators = __assign(__assign({}, clazz.propDecorators), propDecorators);\n            }\n            else {\n                clazz.propDecorators = propDecorators;\n            }\n        }\n    });\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Bindings for pure functions are stored after regular bindings.\n *\n * |-------decls------|---------vars---------|                 |----- hostVars (dir1) ------|\n * ------------------------------------------------------------------------------------------\n * | nodes/refs/pipes | bindings | fn slots  | injector | dir1 | host bindings | host slots |\n * ------------------------------------------------------------------------------------------\n *                    ^                      ^\n *      TView.bindingStartIndex      TView.expandoStartIndex\n *\n * Pure function instructions are given an offset from the binding root. Adding the offset to the\n * binding root gives the first index where the bindings are stored. In component views, the binding\n * root is the bindingStartIndex. In host bindings, the binding root is the expandoStartIndex +\n * any directive instances + any hostVars in directives evaluated before it.\n *\n * See VIEW_DATA.md for more information about host binding resolution.\n */\n/**\n * If the value hasn't been saved, calls the pure function to store and return the\n * value. If it has been saved, returns the saved value.\n *\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn Function that returns a value\n * @param thisArg Optional calling context of pureFn\n * @returns value\n *\n * @codeGenApi\n */\nfunction ɵɵpureFunction0(slotOffset, pureFn, thisArg) {\n    var bindingIndex = getBindingRoot() + slotOffset;\n    var lView = getLView();\n    return lView[bindingIndex] === NO_CHANGE ?\n        updateBinding(lView, bindingIndex, thisArg ? pureFn.call(thisArg) : pureFn()) :\n        getBinding(lView, bindingIndex);\n}\n/**\n * If the value of the provided exp has changed, calls the pure function to return\n * an updated value. Or if the value has not changed, returns cached value.\n *\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn Function that returns an updated value\n * @param exp Updated expression value\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n *\n * @codeGenApi\n */\nfunction ɵɵpureFunction1(slotOffset, pureFn, exp, thisArg) {\n    return pureFunction1Internal(getLView(), getBindingRoot(), slotOffset, pureFn, exp, thisArg);\n}\n/**\n * If the value of any provided exp has changed, calls the pure function to return\n * an updated value. Or if no values have changed, returns cached value.\n *\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn\n * @param exp1\n * @param exp2\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n *\n * @codeGenApi\n */\nfunction ɵɵpureFunction2(slotOffset, pureFn, exp1, exp2, thisArg) {\n    return pureFunction2Internal(getLView(), getBindingRoot(), slotOffset, pureFn, exp1, exp2, thisArg);\n}\n/**\n * If the value of any provided exp has changed, calls the pure function to return\n * an updated value. Or if no values have changed, returns cached value.\n *\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn\n * @param exp1\n * @param exp2\n * @param exp3\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n *\n * @codeGenApi\n */\nfunction ɵɵpureFunction3(slotOffset, pureFn, exp1, exp2, exp3, thisArg) {\n    return pureFunction3Internal(getLView(), getBindingRoot(), slotOffset, pureFn, exp1, exp2, exp3, thisArg);\n}\n/**\n * If the value of any provided exp has changed, calls the pure function to return\n * an updated value. Or if no values have changed, returns cached value.\n *\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn\n * @param exp1\n * @param exp2\n * @param exp3\n * @param exp4\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n *\n * @codeGenApi\n */\nfunction ɵɵpureFunction4(slotOffset, pureFn, exp1, exp2, exp3, exp4, thisArg) {\n    return pureFunction4Internal(getLView(), getBindingRoot(), slotOffset, pureFn, exp1, exp2, exp3, exp4, thisArg);\n}\n/**\n * If the value of any provided exp has changed, calls the pure function to return\n * an updated value. Or if no values have changed, returns cached value.\n *\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn\n * @param exp1\n * @param exp2\n * @param exp3\n * @param exp4\n * @param exp5\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n *\n * @codeGenApi\n */\nfunction ɵɵpureFunction5(slotOffset, pureFn, exp1, exp2, exp3, exp4, exp5, thisArg) {\n    var bindingIndex = getBindingRoot() + slotOffset;\n    var lView = getLView();\n    var different = bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4);\n    return bindingUpdated(lView, bindingIndex + 4, exp5) || different ?\n        updateBinding(lView, bindingIndex + 5, thisArg ? pureFn.call(thisArg, exp1, exp2, exp3, exp4, exp5) :\n            pureFn(exp1, exp2, exp3, exp4, exp5)) :\n        getBinding(lView, bindingIndex + 5);\n}\n/**\n * If the value of any provided exp has changed, calls the pure function to return\n * an updated value. Or if no values have changed, returns cached value.\n *\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn\n * @param exp1\n * @param exp2\n * @param exp3\n * @param exp4\n * @param exp5\n * @param exp6\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n *\n * @codeGenApi\n */\nfunction ɵɵpureFunction6(slotOffset, pureFn, exp1, exp2, exp3, exp4, exp5, exp6, thisArg) {\n    var bindingIndex = getBindingRoot() + slotOffset;\n    var lView = getLView();\n    var different = bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4);\n    return bindingUpdated2(lView, bindingIndex + 4, exp5, exp6) || different ?\n        updateBinding(lView, bindingIndex + 6, thisArg ?\n            pureFn.call(thisArg, exp1, exp2, exp3, exp4, exp5, exp6) :\n            pureFn(exp1, exp2, exp3, exp4, exp5, exp6)) :\n        getBinding(lView, bindingIndex + 6);\n}\n/**\n * If the value of any provided exp has changed, calls the pure function to return\n * an updated value. Or if no values have changed, returns cached value.\n *\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn\n * @param exp1\n * @param exp2\n * @param exp3\n * @param exp4\n * @param exp5\n * @param exp6\n * @param exp7\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n *\n * @codeGenApi\n */\nfunction ɵɵpureFunction7(slotOffset, pureFn, exp1, exp2, exp3, exp4, exp5, exp6, exp7, thisArg) {\n    var bindingIndex = getBindingRoot() + slotOffset;\n    var lView = getLView();\n    var different = bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4);\n    return bindingUpdated3(lView, bindingIndex + 4, exp5, exp6, exp7) || different ?\n        updateBinding(lView, bindingIndex + 7, thisArg ?\n            pureFn.call(thisArg, exp1, exp2, exp3, exp4, exp5, exp6, exp7) :\n            pureFn(exp1, exp2, exp3, exp4, exp5, exp6, exp7)) :\n        getBinding(lView, bindingIndex + 7);\n}\n/**\n * If the value of any provided exp has changed, calls the pure function to return\n * an updated value. Or if no values have changed, returns cached value.\n *\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn\n * @param exp1\n * @param exp2\n * @param exp3\n * @param exp4\n * @param exp5\n * @param exp6\n * @param exp7\n * @param exp8\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n *\n * @codeGenApi\n */\nfunction ɵɵpureFunction8(slotOffset, pureFn, exp1, exp2, exp3, exp4, exp5, exp6, exp7, exp8, thisArg) {\n    var bindingIndex = getBindingRoot() + slotOffset;\n    var lView = getLView();\n    var different = bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4);\n    return bindingUpdated4(lView, bindingIndex + 4, exp5, exp6, exp7, exp8) || different ?\n        updateBinding(lView, bindingIndex + 8, thisArg ?\n            pureFn.call(thisArg, exp1, exp2, exp3, exp4, exp5, exp6, exp7, exp8) :\n            pureFn(exp1, exp2, exp3, exp4, exp5, exp6, exp7, exp8)) :\n        getBinding(lView, bindingIndex + 8);\n}\n/**\n * pureFunction instruction that can support any number of bindings.\n *\n * If the value of any provided exp has changed, calls the pure function to return\n * an updated value. Or if no values have changed, returns cached value.\n *\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn A pure function that takes binding values and builds an object or array\n * containing those values.\n * @param exps An array of binding values\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n *\n * @codeGenApi\n */\nfunction ɵɵpureFunctionV(slotOffset, pureFn, exps, thisArg) {\n    return pureFunctionVInternal(getLView(), getBindingRoot(), slotOffset, pureFn, exps, thisArg);\n}\n/**\n * If the value of the provided exp has changed, calls the pure function to return\n * an updated value. Or if the value has not changed, returns cached value.\n *\n * @param lView LView in which the function is being executed.\n * @param bindingRoot Binding root index.\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn Function that returns an updated value\n * @param exp Updated expression value\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n */\nfunction pureFunction1Internal(lView, bindingRoot, slotOffset, pureFn, exp, thisArg) {\n    var bindingIndex = bindingRoot + slotOffset;\n    return bindingUpdated(lView, bindingIndex, exp) ?\n        updateBinding(lView, bindingIndex + 1, thisArg ? pureFn.call(thisArg, exp) : pureFn(exp)) :\n        getBinding(lView, bindingIndex + 1);\n}\n/**\n * If the value of any provided exp has changed, calls the pure function to return\n * an updated value. Or if no values have changed, returns cached value.\n *\n * @param lView LView in which the function is being executed.\n * @param bindingRoot Binding root index.\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn\n * @param exp1\n * @param exp2\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n */\nfunction pureFunction2Internal(lView, bindingRoot, slotOffset, pureFn, exp1, exp2, thisArg) {\n    var bindingIndex = bindingRoot + slotOffset;\n    return bindingUpdated2(lView, bindingIndex, exp1, exp2) ?\n        updateBinding(lView, bindingIndex + 2, thisArg ? pureFn.call(thisArg, exp1, exp2) : pureFn(exp1, exp2)) :\n        getBinding(lView, bindingIndex + 2);\n}\n/**\n * If the value of any provided exp has changed, calls the pure function to return\n * an updated value. Or if no values have changed, returns cached value.\n *\n * @param lView LView in which the function is being executed.\n * @param bindingRoot Binding root index.\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn\n * @param exp1\n * @param exp2\n * @param exp3\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n */\nfunction pureFunction3Internal(lView, bindingRoot, slotOffset, pureFn, exp1, exp2, exp3, thisArg) {\n    var bindingIndex = bindingRoot + slotOffset;\n    return bindingUpdated3(lView, bindingIndex, exp1, exp2, exp3) ?\n        updateBinding(lView, bindingIndex + 3, thisArg ? pureFn.call(thisArg, exp1, exp2, exp3) : pureFn(exp1, exp2, exp3)) :\n        getBinding(lView, bindingIndex + 3);\n}\n/**\n * If the value of any provided exp has changed, calls the pure function to return\n * an updated value. Or if no values have changed, returns cached value.\n *\n * @param lView LView in which the function is being executed.\n * @param bindingRoot Binding root index.\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn\n * @param exp1\n * @param exp2\n * @param exp3\n * @param exp4\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n *\n */\nfunction pureFunction4Internal(lView, bindingRoot, slotOffset, pureFn, exp1, exp2, exp3, exp4, thisArg) {\n    var bindingIndex = bindingRoot + slotOffset;\n    return bindingUpdated4(lView, bindingIndex, exp1, exp2, exp3, exp4) ?\n        updateBinding(lView, bindingIndex + 4, thisArg ? pureFn.call(thisArg, exp1, exp2, exp3, exp4) : pureFn(exp1, exp2, exp3, exp4)) :\n        getBinding(lView, bindingIndex + 4);\n}\n/**\n * pureFunction instruction that can support any number of bindings.\n *\n * If the value of any provided exp has changed, calls the pure function to return\n * an updated value. Or if no values have changed, returns cached value.\n *\n * @param lView LView in which the function is being executed.\n * @param bindingRoot Binding root index.\n * @param slotOffset the offset from binding root to the reserved slot\n * @param pureFn A pure function that takes binding values and builds an object or array\n * containing those values.\n * @param exps An array of binding values\n * @param thisArg Optional calling context of pureFn\n * @returns Updated or cached value\n */\nfunction pureFunctionVInternal(lView, bindingRoot, slotOffset, pureFn, exps, thisArg) {\n    var bindingIndex = bindingRoot + slotOffset;\n    var different = false;\n    for (var i = 0; i < exps.length; i++) {\n        bindingUpdated(lView, bindingIndex++, exps[i]) && (different = true);\n    }\n    return different ? updateBinding(lView, bindingIndex, pureFn.apply(thisArg, exps)) :\n        getBinding(lView, bindingIndex);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Create a pipe.\n *\n * @param index Pipe index where the pipe will be stored.\n * @param pipeName The name of the pipe\n * @returns T the instance of the pipe.\n *\n * @codeGenApi\n */\nfunction ɵɵpipe(index, pipeName) {\n    var tView = getTView();\n    var pipeDef;\n    var adjustedIndex = index + HEADER_OFFSET;\n    if (tView.firstCreatePass) {\n        pipeDef = getPipeDef$1(pipeName, tView.pipeRegistry);\n        tView.data[adjustedIndex] = pipeDef;\n        if (pipeDef.onDestroy) {\n            (tView.destroyHooks || (tView.destroyHooks = [])).push(adjustedIndex, pipeDef.onDestroy);\n        }\n    }\n    else {\n        pipeDef = tView.data[adjustedIndex];\n    }\n    var pipeFactory = pipeDef.factory || (pipeDef.factory = getFactoryDef(pipeDef.type, true));\n    var pipeInstance = pipeFactory();\n    store(tView, getLView(), index, pipeInstance);\n    return pipeInstance;\n}\n/**\n * Searches the pipe registry for a pipe with the given name. If one is found,\n * returns the pipe. Otherwise, an error is thrown because the pipe cannot be resolved.\n *\n * @param name Name of pipe to resolve\n * @param registry Full list of available pipes\n * @returns Matching PipeDef\n */\nfunction getPipeDef$1(name, registry) {\n    if (registry) {\n        for (var i = registry.length - 1; i >= 0; i--) {\n            var pipeDef = registry[i];\n            if (name === pipeDef.name) {\n                return pipeDef;\n            }\n        }\n    }\n    throw new Error(\"The pipe '\" + name + \"' could not be found!\");\n}\n/**\n * Invokes a pipe with 1 arguments.\n *\n * This instruction acts as a guard to {@link PipeTransform#transform} invoking\n * the pipe only when an input to the pipe changes.\n *\n * @param index Pipe index where the pipe was stored on creation.\n * @param slotOffset the offset in the reserved slot space\n * @param v1 1st argument to {@link PipeTransform#transform}.\n *\n * @codeGenApi\n */\nfunction ɵɵpipeBind1(index, slotOffset, v1) {\n    var lView = getLView();\n    var pipeInstance = load(lView, index);\n    return unwrapValue$1(lView, isPure(lView, index) ?\n        pureFunction1Internal(lView, getBindingRoot(), slotOffset, pipeInstance.transform, v1, pipeInstance) :\n        pipeInstance.transform(v1));\n}\n/**\n * Invokes a pipe with 2 arguments.\n *\n * This instruction acts as a guard to {@link PipeTransform#transform} invoking\n * the pipe only when an input to the pipe changes.\n *\n * @param index Pipe index where the pipe was stored on creation.\n * @param slotOffset the offset in the reserved slot space\n * @param v1 1st argument to {@link PipeTransform#transform}.\n * @param v2 2nd argument to {@link PipeTransform#transform}.\n *\n * @codeGenApi\n */\nfunction ɵɵpipeBind2(index, slotOffset, v1, v2) {\n    var lView = getLView();\n    var pipeInstance = load(lView, index);\n    return unwrapValue$1(lView, isPure(lView, index) ?\n        pureFunction2Internal(lView, getBindingRoot(), slotOffset, pipeInstance.transform, v1, v2, pipeInstance) :\n        pipeInstance.transform(v1, v2));\n}\n/**\n * Invokes a pipe with 3 arguments.\n *\n * This instruction acts as a guard to {@link PipeTransform#transform} invoking\n * the pipe only when an input to the pipe changes.\n *\n * @param index Pipe index where the pipe was stored on creation.\n * @param slotOffset the offset in the reserved slot space\n * @param v1 1st argument to {@link PipeTransform#transform}.\n * @param v2 2nd argument to {@link PipeTransform#transform}.\n * @param v3 4rd argument to {@link PipeTransform#transform}.\n *\n * @codeGenApi\n */\nfunction ɵɵpipeBind3(index, slotOffset, v1, v2, v3) {\n    var lView = getLView();\n    var pipeInstance = load(lView, index);\n    return unwrapValue$1(lView, isPure(lView, index) ? pureFunction3Internal(lView, getBindingRoot(), slotOffset, pipeInstance.transform, v1, v2, v3, pipeInstance) :\n        pipeInstance.transform(v1, v2, v3));\n}\n/**\n * Invokes a pipe with 4 arguments.\n *\n * This instruction acts as a guard to {@link PipeTransform#transform} invoking\n * the pipe only when an input to the pipe changes.\n *\n * @param index Pipe index where the pipe was stored on creation.\n * @param slotOffset the offset in the reserved slot space\n * @param v1 1st argument to {@link PipeTransform#transform}.\n * @param v2 2nd argument to {@link PipeTransform#transform}.\n * @param v3 3rd argument to {@link PipeTransform#transform}.\n * @param v4 4th argument to {@link PipeTransform#transform}.\n *\n * @codeGenApi\n */\nfunction ɵɵpipeBind4(index, slotOffset, v1, v2, v3, v4) {\n    var lView = getLView();\n    var pipeInstance = load(lView, index);\n    return unwrapValue$1(lView, isPure(lView, index) ? pureFunction4Internal(lView, getBindingRoot(), slotOffset, pipeInstance.transform, v1, v2, v3, v4, pipeInstance) :\n        pipeInstance.transform(v1, v2, v3, v4));\n}\n/**\n * Invokes a pipe with variable number of arguments.\n *\n * This instruction acts as a guard to {@link PipeTransform#transform} invoking\n * the pipe only when an input to the pipe changes.\n *\n * @param index Pipe index where the pipe was stored on creation.\n * @param slotOffset the offset in the reserved slot space\n * @param values Array of arguments to pass to {@link PipeTransform#transform} method.\n *\n * @codeGenApi\n */\nfunction ɵɵpipeBindV(index, slotOffset, values) {\n    var lView = getLView();\n    var pipeInstance = load(lView, index);\n    return unwrapValue$1(lView, isPure(lView, index) ?\n        pureFunctionVInternal(lView, getBindingRoot(), slotOffset, pipeInstance.transform, values, pipeInstance) :\n        pipeInstance.transform.apply(pipeInstance, values));\n}\nfunction isPure(lView, index) {\n    return lView[TVIEW].data[index + HEADER_OFFSET].pure;\n}\n/**\n * Unwrap the output of a pipe transformation.\n * In order to trick change detection into considering that the new value is always different from\n * the old one, the old value is overwritten by NO_CHANGE.\n *\n * @param newValue the pipe transformation output.\n */\nfunction unwrapValue$1(lView, newValue) {\n    if (WrappedValue.isWrapped(newValue)) {\n        newValue = WrappedValue.unwrap(newValue);\n        // The NO_CHANGE value needs to be written at the index where the impacted binding value is\n        // stored\n        var bindingToInvalidateIdx = getBindingIndex();\n        lView[bindingToInvalidateIdx] = NO_CHANGE;\n    }\n    return newValue;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Use in components with the `@Output` directive to emit custom events\n * synchronously or asynchronously, and register handlers for those events\n * by subscribing to an instance.\n *\n * @usageNotes\n *\n * Extends\n * [RxJS `Subject`](https://rxjs.dev/api/index/class/Subject)\n * for Angular by adding the `emit()` method.\n *\n * In the following example, a component defines two output properties\n * that create event emitters. When the title is clicked, the emitter\n * emits an open or close event to toggle the current visibility state.\n *\n * ```html\n * @Component({\n *   selector: 'zippy',\n *   template: `\n *   <div class=\"zippy\">\n *     <div (click)=\"toggle()\">Toggle</div>\n *     <div [hidden]=\"!visible\">\n *       <ng-content></ng-content>\n *     </div>\n *  </div>`})\n * export class Zippy {\n *   visible: boolean = true;\n *   @Output() open: EventEmitter<any> = new EventEmitter();\n *   @Output() close: EventEmitter<any> = new EventEmitter();\n *\n *   toggle() {\n *     this.visible = !this.visible;\n *     if (this.visible) {\n *       this.open.emit(null);\n *     } else {\n *       this.close.emit(null);\n *     }\n *   }\n * }\n * ```\n *\n * Access the event object with the `$event` argument passed to the output event\n * handler:\n *\n * ```html\n * <zippy (open)=\"onOpen($event)\" (close)=\"onClose($event)\"></zippy>\n * ```\n *\n * @see [Observables in Angular](guide/observables-in-angular)\n * @publicApi\n */\nvar EventEmitter = /** @class */ (function (_super) {\n    __extends(EventEmitter, _super);\n    /**\n     * Creates an instance of this class that can\n     * deliver events synchronously or asynchronously.\n     *\n     * @param isAsync When true, deliver events asynchronously.\n     *\n     */\n    function EventEmitter(isAsync) {\n        if (isAsync === void 0) { isAsync = false; }\n        var _this = _super.call(this) || this;\n        _this.__isAsync = isAsync;\n        return _this;\n    }\n    /**\n     * Emits an event containing a given value.\n     * @param value The value to emit.\n     */\n    EventEmitter.prototype.emit = function (value) { _super.prototype.next.call(this, value); };\n    /**\n     * Registers handlers for events emitted by this instance.\n     * @param generatorOrNext When supplied, a custom handler for emitted events.\n     * @param error When supplied, a custom handler for an error notification\n     * from this emitter.\n     * @param complete When supplied, a custom handler for a completion\n     * notification from this emitter.\n     */\n    EventEmitter.prototype.subscribe = function (generatorOrNext, error, complete) {\n        var schedulerFn;\n        var errorFn = function (err) { return null; };\n        var completeFn = function () { return null; };\n        if (generatorOrNext && typeof generatorOrNext === 'object') {\n            schedulerFn = this.__isAsync ? function (value) {\n                setTimeout(function () { return generatorOrNext.next(value); });\n            } : function (value) { generatorOrNext.next(value); };\n            if (generatorOrNext.error) {\n                errorFn = this.__isAsync ? function (err) { setTimeout(function () { return generatorOrNext.error(err); }); } :\n                    function (err) { generatorOrNext.error(err); };\n            }\n            if (generatorOrNext.complete) {\n                completeFn = this.__isAsync ? function () { setTimeout(function () { return generatorOrNext.complete(); }); } :\n                    function () { generatorOrNext.complete(); };\n            }\n        }\n        else {\n            schedulerFn = this.__isAsync ? function (value) { setTimeout(function () { return generatorOrNext(value); }); } :\n                function (value) { generatorOrNext(value); };\n            if (error) {\n                errorFn =\n                    this.__isAsync ? function (err) { setTimeout(function () { return error(err); }); } : function (err) { error(err); };\n            }\n            if (complete) {\n                completeFn =\n                    this.__isAsync ? function () { setTimeout(function () { return complete(); }); } : function () { complete(); };\n            }\n        }\n        var sink = _super.prototype.subscribe.call(this, schedulerFn, errorFn, completeFn);\n        if (generatorOrNext instanceof Subscription) {\n            generatorOrNext.add(sink);\n        }\n        return sink;\n    };\n    return EventEmitter;\n}(Subject));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction symbolIterator() {\n    return this._results[getSymbolIterator()]();\n}\n/**\n * An unmodifiable list of items that Angular keeps up to date when the state\n * of the application changes.\n *\n * The type of object that {@link ViewChildren}, {@link ContentChildren}, and {@link QueryList}\n * provide.\n *\n * Implements an iterable interface, therefore it can be used in both ES6\n * javascript `for (var i of items)` loops as well as in Angular templates with\n * `*ngFor=\"let i of myList\"`.\n *\n * Changes can be observed by subscribing to the changes `Observable`.\n *\n * NOTE: In the future this class will implement an `Observable` interface.\n *\n * @usageNotes\n * ### Example\n * ```typescript\n * @Component({...})\n * class Container {\n *   @ViewChildren(Item) items:QueryList<Item>;\n * }\n * ```\n *\n * @publicApi\n */\nvar QueryList = /** @class */ (function () {\n    function QueryList() {\n        this.dirty = true;\n        this._results = [];\n        this.changes = new EventEmitter();\n        this.length = 0;\n        // This function should be declared on the prototype, but doing so there will cause the class\n        // declaration to have side-effects and become not tree-shakable. For this reason we do it in\n        // the constructor.\n        // [getSymbolIterator()](): Iterator<T> { ... }\n        var symbol = getSymbolIterator();\n        var proto = QueryList.prototype;\n        if (!proto[symbol])\n            proto[symbol] = symbolIterator;\n    }\n    /**\n     * See\n     * [Array.map](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map)\n     */\n    QueryList.prototype.map = function (fn) { return this._results.map(fn); };\n    /**\n     * See\n     * [Array.filter](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter)\n     */\n    QueryList.prototype.filter = function (fn) {\n        return this._results.filter(fn);\n    };\n    /**\n     * See\n     * [Array.find](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find)\n     */\n    QueryList.prototype.find = function (fn) {\n        return this._results.find(fn);\n    };\n    /**\n     * See\n     * [Array.reduce](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduce)\n     */\n    QueryList.prototype.reduce = function (fn, init) {\n        return this._results.reduce(fn, init);\n    };\n    /**\n     * See\n     * [Array.forEach](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach)\n     */\n    QueryList.prototype.forEach = function (fn) { this._results.forEach(fn); };\n    /**\n     * See\n     * [Array.some](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/some)\n     */\n    QueryList.prototype.some = function (fn) {\n        return this._results.some(fn);\n    };\n    /**\n     * Returns a copy of the internal results list as an Array.\n     */\n    QueryList.prototype.toArray = function () { return this._results.slice(); };\n    QueryList.prototype.toString = function () { return this._results.toString(); };\n    /**\n     * Updates the stored data of the query list, and resets the `dirty` flag to `false`, so that\n     * on change detection, it will not notify of changes to the queries, unless a new change\n     * occurs.\n     *\n     * @param resultsTree The query results to store\n     */\n    QueryList.prototype.reset = function (resultsTree) {\n        this._results = flatten(resultsTree);\n        this.dirty = false;\n        this.length = this._results.length;\n        this.last = this._results[this.length - 1];\n        this.first = this._results[0];\n    };\n    /**\n     * Triggers a change event by emitting on the `changes` {@link EventEmitter}.\n     */\n    QueryList.prototype.notifyOnChanges = function () { this.changes.emit(this); };\n    /** internal */\n    QueryList.prototype.setDirty = function () { this.dirty = true; };\n    /** internal */\n    QueryList.prototype.destroy = function () {\n        this.changes.complete();\n        this.changes.unsubscribe();\n    };\n    return QueryList;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\nvar unusedValueExportToPlacateAjd$7 = 1;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Note: This hack is necessary so we don't erroneously get a circular dependency\n// failure based on types.\nvar unusedValueExportToPlacateAjd$8 = 1;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar unusedValueToPlacateAjd$2 = unusedValueExportToPlacateAjd$7 + unusedValueExportToPlacateAjd$2 + unusedValueExportToPlacateAjd$4 + unusedValueExportToPlacateAjd$8;\nvar LQuery_ = /** @class */ (function () {\n    function LQuery_(queryList) {\n        this.queryList = queryList;\n        this.matches = null;\n    }\n    LQuery_.prototype.clone = function () { return new LQuery_(this.queryList); };\n    LQuery_.prototype.setDirty = function () { this.queryList.setDirty(); };\n    return LQuery_;\n}());\nvar LQueries_ = /** @class */ (function () {\n    function LQueries_(queries) {\n        if (queries === void 0) { queries = []; }\n        this.queries = queries;\n    }\n    LQueries_.prototype.createEmbeddedView = function (tView) {\n        var tQueries = tView.queries;\n        if (tQueries !== null) {\n            var noOfInheritedQueries = tView.contentQueries !== null ? tView.contentQueries[0] : tQueries.length;\n            var viewLQueries = [];\n            // An embedded view has queries propagated from a declaration view at the beginning of the\n            // TQueries collection and up until a first content query declared in the embedded view. Only\n            // propagated LQueries are created at this point (LQuery corresponding to declared content\n            // queries will be instantiated from the content query instructions for each directive).\n            for (var i = 0; i < noOfInheritedQueries; i++) {\n                var tQuery = tQueries.getByIndex(i);\n                var parentLQuery = this.queries[tQuery.indexInDeclarationView];\n                viewLQueries.push(parentLQuery.clone());\n            }\n            return new LQueries_(viewLQueries);\n        }\n        return null;\n    };\n    LQueries_.prototype.insertView = function (tView) { this.dirtyQueriesWithMatches(tView); };\n    LQueries_.prototype.detachView = function (tView) { this.dirtyQueriesWithMatches(tView); };\n    LQueries_.prototype.dirtyQueriesWithMatches = function (tView) {\n        for (var i = 0; i < this.queries.length; i++) {\n            if (getTQuery(tView, i).matches !== null) {\n                this.queries[i].setDirty();\n            }\n        }\n    };\n    return LQueries_;\n}());\nvar TQueryMetadata_ = /** @class */ (function () {\n    function TQueryMetadata_(predicate, descendants, isStatic, read) {\n        if (read === void 0) { read = null; }\n        this.predicate = predicate;\n        this.descendants = descendants;\n        this.isStatic = isStatic;\n        this.read = read;\n    }\n    return TQueryMetadata_;\n}());\nvar TQueries_ = /** @class */ (function () {\n    function TQueries_(queries) {\n        if (queries === void 0) { queries = []; }\n        this.queries = queries;\n    }\n    TQueries_.prototype.elementStart = function (tView, tNode) {\n        ngDevMode && assertFirstCreatePass(tView, 'Queries should collect results on the first template pass only');\n        for (var i = 0; i < this.queries.length; i++) {\n            this.queries[i].elementStart(tView, tNode);\n        }\n    };\n    TQueries_.prototype.elementEnd = function (tNode) {\n        for (var i = 0; i < this.queries.length; i++) {\n            this.queries[i].elementEnd(tNode);\n        }\n    };\n    TQueries_.prototype.embeddedTView = function (tNode) {\n        var queriesForTemplateRef = null;\n        for (var i = 0; i < this.length; i++) {\n            var childQueryIndex = queriesForTemplateRef !== null ? queriesForTemplateRef.length : 0;\n            var tqueryClone = this.getByIndex(i).embeddedTView(tNode, childQueryIndex);\n            if (tqueryClone) {\n                tqueryClone.indexInDeclarationView = i;\n                if (queriesForTemplateRef !== null) {\n                    queriesForTemplateRef.push(tqueryClone);\n                }\n                else {\n                    queriesForTemplateRef = [tqueryClone];\n                }\n            }\n        }\n        return queriesForTemplateRef !== null ? new TQueries_(queriesForTemplateRef) : null;\n    };\n    TQueries_.prototype.template = function (tView, tNode) {\n        ngDevMode && assertFirstCreatePass(tView, 'Queries should collect results on the first template pass only');\n        for (var i = 0; i < this.queries.length; i++) {\n            this.queries[i].template(tView, tNode);\n        }\n    };\n    TQueries_.prototype.getByIndex = function (index) {\n        ngDevMode && assertDataInRange(this.queries, index);\n        return this.queries[index];\n    };\n    Object.defineProperty(TQueries_.prototype, \"length\", {\n        get: function () { return this.queries.length; },\n        enumerable: true,\n        configurable: true\n    });\n    TQueries_.prototype.track = function (tquery) { this.queries.push(tquery); };\n    return TQueries_;\n}());\nvar TQuery_ = /** @class */ (function () {\n    function TQuery_(metadata, nodeIndex) {\n        if (nodeIndex === void 0) { nodeIndex = -1; }\n        this.metadata = metadata;\n        this.matches = null;\n        this.indexInDeclarationView = -1;\n        this.crossesNgTemplate = false;\n        /**\n         * A flag indicating if a given query still applies to nodes it is crossing. We use this flag\n         * (alongside with _declarationNodeIndex) to know when to stop applying content queries to\n         * elements in a template.\n         */\n        this._appliesToNextNode = true;\n        this._declarationNodeIndex = nodeIndex;\n    }\n    TQuery_.prototype.elementStart = function (tView, tNode) {\n        if (this.isApplyingToNode(tNode)) {\n            this.matchTNode(tView, tNode);\n        }\n    };\n    TQuery_.prototype.elementEnd = function (tNode) {\n        if (this._declarationNodeIndex === tNode.index) {\n            this._appliesToNextNode = false;\n        }\n    };\n    TQuery_.prototype.template = function (tView, tNode) { this.elementStart(tView, tNode); };\n    TQuery_.prototype.embeddedTView = function (tNode, childQueryIndex) {\n        if (this.isApplyingToNode(tNode)) {\n            this.crossesNgTemplate = true;\n            // A marker indicating a `<ng-template>` element (a placeholder for query results from\n            // embedded views created based on this `<ng-template>`).\n            this.addMatch(-tNode.index, childQueryIndex);\n            return new TQuery_(this.metadata);\n        }\n        return null;\n    };\n    TQuery_.prototype.isApplyingToNode = function (tNode) {\n        if (this._appliesToNextNode && this.metadata.descendants === false) {\n            return this._declarationNodeIndex === (tNode.parent ? tNode.parent.index : -1);\n        }\n        return this._appliesToNextNode;\n    };\n    TQuery_.prototype.matchTNode = function (tView, tNode) {\n        if (Array.isArray(this.metadata.predicate)) {\n            var localNames = this.metadata.predicate;\n            for (var i = 0; i < localNames.length; i++) {\n                this.matchTNodeWithReadOption(tView, tNode, getIdxOfMatchingSelector(tNode, localNames[i]));\n            }\n        }\n        else {\n            var typePredicate = this.metadata.predicate;\n            if (typePredicate === TemplateRef) {\n                if (tNode.type === 0 /* Container */) {\n                    this.matchTNodeWithReadOption(tView, tNode, -1);\n                }\n            }\n            else {\n                this.matchTNodeWithReadOption(tView, tNode, locateDirectiveOrProvider(tNode, tView, typePredicate, false, false));\n            }\n        }\n    };\n    TQuery_.prototype.matchTNodeWithReadOption = function (tView, tNode, nodeMatchIdx) {\n        if (nodeMatchIdx !== null) {\n            var read = this.metadata.read;\n            if (read !== null) {\n                if (read === ElementRef || read === ViewContainerRef ||\n                    read === TemplateRef && tNode.type === 0 /* Container */) {\n                    this.addMatch(tNode.index, -2);\n                }\n                else {\n                    var directiveOrProviderIdx = locateDirectiveOrProvider(tNode, tView, read, false, false);\n                    if (directiveOrProviderIdx !== null) {\n                        this.addMatch(tNode.index, directiveOrProviderIdx);\n                    }\n                }\n            }\n            else {\n                this.addMatch(tNode.index, nodeMatchIdx);\n            }\n        }\n    };\n    TQuery_.prototype.addMatch = function (tNodeIdx, matchIdx) {\n        if (this.matches === null) {\n            this.matches = [tNodeIdx, matchIdx];\n        }\n        else {\n            this.matches.push(tNodeIdx, matchIdx);\n        }\n    };\n    return TQuery_;\n}());\n/**\n * Iterates over local names for a given node and returns directive index\n * (or -1 if a local name points to an element).\n *\n * @param tNode static data of a node to check\n * @param selector selector to match\n * @returns directive index, -1 or null if a selector didn't match any of the local names\n */\nfunction getIdxOfMatchingSelector(tNode, selector) {\n    var localNames = tNode.localNames;\n    if (localNames !== null) {\n        for (var i = 0; i < localNames.length; i += 2) {\n            if (localNames[i] === selector) {\n                return localNames[i + 1];\n            }\n        }\n    }\n    return null;\n}\nfunction createResultByTNodeType(tNode, currentView) {\n    if (tNode.type === 3 /* Element */ || tNode.type === 4 /* ElementContainer */) {\n        return createElementRef(ElementRef, tNode, currentView);\n    }\n    else if (tNode.type === 0 /* Container */) {\n        return createTemplateRef(TemplateRef, ElementRef, tNode, currentView);\n    }\n    return null;\n}\nfunction createResultForNode(lView, tNode, matchingIdx, read) {\n    if (matchingIdx === -1) {\n        // if read token and / or strategy is not specified, detect it using appropriate tNode type\n        return createResultByTNodeType(tNode, lView);\n    }\n    else if (matchingIdx === -2) {\n        // read a special token from a node injector\n        return createSpecialToken(lView, tNode, read);\n    }\n    else {\n        // read a token\n        return getNodeInjectable(lView, lView[TVIEW], matchingIdx, tNode);\n    }\n}\nfunction createSpecialToken(lView, tNode, read) {\n    if (read === ElementRef) {\n        return createElementRef(ElementRef, tNode, lView);\n    }\n    else if (read === TemplateRef) {\n        return createTemplateRef(TemplateRef, ElementRef, tNode, lView);\n    }\n    else if (read === ViewContainerRef) {\n        ngDevMode && assertNodeOfPossibleTypes(tNode, 3 /* Element */, 0 /* Container */, 4 /* ElementContainer */);\n        return createContainerRef(ViewContainerRef, ElementRef, tNode, lView);\n    }\n    else {\n        ngDevMode &&\n            throwError(\"Special token to read should be one of ElementRef, TemplateRef or ViewContainerRef but got \" + stringify(read) + \".\");\n    }\n}\n/**\n * A helper function that creates query results for a given view. This function is meant to do the\n * processing once and only once for a given view instance (a set of results for a given view\n * doesn't change).\n */\nfunction materializeViewResults(tView, lView, tQuery, queryIndex) {\n    var lQuery = lView[QUERIES].queries[queryIndex];\n    if (lQuery.matches === null) {\n        var tViewData = tView.data;\n        var tQueryMatches = tQuery.matches;\n        var result = [];\n        for (var i = 0; i < tQueryMatches.length; i += 2) {\n            var matchedNodeIdx = tQueryMatches[i];\n            if (matchedNodeIdx < 0) {\n                // we at the <ng-template> marker which might have results in views created based on this\n                // <ng-template> - those results will be in separate views though, so here we just leave\n                // null as a placeholder\n                result.push(null);\n            }\n            else {\n                ngDevMode && assertDataInRange(tViewData, matchedNodeIdx);\n                var tNode = tViewData[matchedNodeIdx];\n                result.push(createResultForNode(lView, tNode, tQueryMatches[i + 1], tQuery.metadata.read));\n            }\n        }\n        lQuery.matches = result;\n    }\n    return lQuery.matches;\n}\n/**\n * A helper function that collects (already materialized) query results from a tree of views,\n * starting with a provided LView.\n */\nfunction collectQueryResults(tView, lView, queryIndex, result) {\n    var tQuery = tView.queries.getByIndex(queryIndex);\n    var tQueryMatches = tQuery.matches;\n    if (tQueryMatches !== null) {\n        var lViewResults = materializeViewResults(tView, lView, tQuery, queryIndex);\n        for (var i = 0; i < tQueryMatches.length; i += 2) {\n            var tNodeIdx = tQueryMatches[i];\n            if (tNodeIdx > 0) {\n                var viewResult = lViewResults[i / 2];\n                ngDevMode && assertDefined(viewResult, 'materialized query result should be defined');\n                result.push(viewResult);\n            }\n            else {\n                var childQueryIndex = tQueryMatches[i + 1];\n                var declarationLContainer = lView[-tNodeIdx];\n                ngDevMode && assertLContainer(declarationLContainer);\n                // collect matches for views inserted in this container\n                for (var i_1 = CONTAINER_HEADER_OFFSET; i_1 < declarationLContainer.length; i_1++) {\n                    var embeddedLView = declarationLContainer[i_1];\n                    if (embeddedLView[DECLARATION_LCONTAINER] === embeddedLView[PARENT]) {\n                        collectQueryResults(embeddedLView[TVIEW], embeddedLView, childQueryIndex, result);\n                    }\n                }\n                // collect matches for views created from this declaration container and inserted into\n                // different containers\n                if (declarationLContainer[MOVED_VIEWS] !== null) {\n                    var embeddedLViews = declarationLContainer[MOVED_VIEWS];\n                    for (var i_2 = 0; i_2 < embeddedLViews.length; i_2++) {\n                        var embeddedLView = embeddedLViews[i_2];\n                        collectQueryResults(embeddedLView[TVIEW], embeddedLView, childQueryIndex, result);\n                    }\n                }\n            }\n        }\n    }\n    return result;\n}\n/**\n * Refreshes a query by combining matches from all active views and removing matches from deleted\n * views.\n *\n * @returns `true` if a query got dirty during change detection or if this is a static query\n * resolving in creation mode, `false` otherwise.\n *\n * @codeGenApi\n */\nfunction ɵɵqueryRefresh(queryList) {\n    var lView = getLView();\n    var tView = getTView();\n    var queryIndex = getCurrentQueryIndex();\n    setCurrentQueryIndex(queryIndex + 1);\n    var tQuery = getTQuery(tView, queryIndex);\n    if (queryList.dirty && (isCreationMode(lView) === tQuery.metadata.isStatic)) {\n        if (tQuery.matches === null) {\n            queryList.reset([]);\n        }\n        else {\n            var result = tQuery.crossesNgTemplate ?\n                collectQueryResults(tView, lView, queryIndex, []) :\n                materializeViewResults(tView, lView, tQuery, queryIndex);\n            queryList.reset(result);\n            queryList.notifyOnChanges();\n        }\n        return true;\n    }\n    return false;\n}\n/**\n * Creates new QueryList for a static view query.\n *\n * @param predicate The type for which the query will search\n * @param descend Whether or not to descend into children\n * @param read What to save in the query\n *\n * @codeGenApi\n */\nfunction ɵɵstaticViewQuery(predicate, descend, read) {\n    viewQueryInternal(getTView(), getLView(), predicate, descend, read, true);\n}\n/**\n * Creates new QueryList, stores the reference in LView and returns QueryList.\n *\n * @param predicate The type for which the query will search\n * @param descend Whether or not to descend into children\n * @param read What to save in the query\n *\n * @codeGenApi\n */\nfunction ɵɵviewQuery(predicate, descend, read) {\n    viewQueryInternal(getTView(), getLView(), predicate, descend, read, false);\n}\nfunction viewQueryInternal(tView, lView, predicate, descend, read, isStatic) {\n    if (tView.firstCreatePass) {\n        createTQuery(tView, new TQueryMetadata_(predicate, descend, isStatic, read), -1);\n        if (isStatic) {\n            tView.staticViewQueries = true;\n        }\n    }\n    createLQuery(tView, lView);\n}\n/**\n * Registers a QueryList, associated with a content query, for later refresh (part of a view\n * refresh).\n *\n * @param directiveIndex Current directive index\n * @param predicate The type for which the query will search\n * @param descend Whether or not to descend into children\n * @param read What to save in the query\n * @returns QueryList<T>\n *\n * @codeGenApi\n */\nfunction ɵɵcontentQuery(directiveIndex, predicate, descend, read) {\n    contentQueryInternal(getTView(), getLView(), predicate, descend, read, false, getPreviousOrParentTNode(), directiveIndex);\n}\n/**\n * Registers a QueryList, associated with a static content query, for later refresh\n * (part of a view refresh).\n *\n * @param directiveIndex Current directive index\n * @param predicate The type for which the query will search\n * @param descend Whether or not to descend into children\n * @param read What to save in the query\n * @returns QueryList<T>\n *\n * @codeGenApi\n */\nfunction ɵɵstaticContentQuery(directiveIndex, predicate, descend, read) {\n    contentQueryInternal(getTView(), getLView(), predicate, descend, read, true, getPreviousOrParentTNode(), directiveIndex);\n}\nfunction contentQueryInternal(tView, lView, predicate, descend, read, isStatic, tNode, directiveIndex) {\n    if (tView.firstCreatePass) {\n        createTQuery(tView, new TQueryMetadata_(predicate, descend, isStatic, read), tNode.index);\n        saveContentQueryAndDirectiveIndex(tView, directiveIndex);\n        if (isStatic) {\n            tView.staticContentQueries = true;\n        }\n    }\n    createLQuery(tView, lView);\n}\n/**\n * Loads a QueryList corresponding to the current view or content query.\n *\n * @codeGenApi\n */\nfunction ɵɵloadQuery() {\n    return loadQueryInternal(getLView(), getCurrentQueryIndex());\n}\nfunction loadQueryInternal(lView, queryIndex) {\n    ngDevMode &&\n        assertDefined(lView[QUERIES], 'LQueries should be defined when trying to load a query');\n    ngDevMode && assertDataInRange(lView[QUERIES].queries, queryIndex);\n    return lView[QUERIES].queries[queryIndex].queryList;\n}\nfunction createLQuery(tView, lView) {\n    var queryList = new QueryList();\n    storeCleanupWithContext(tView, lView, queryList, queryList.destroy);\n    if (lView[QUERIES] === null)\n        lView[QUERIES] = new LQueries_();\n    lView[QUERIES].queries.push(new LQuery_(queryList));\n}\nfunction createTQuery(tView, metadata, nodeIndex) {\n    if (tView.queries === null)\n        tView.queries = new TQueries_();\n    tView.queries.track(new TQuery_(metadata, nodeIndex));\n}\nfunction saveContentQueryAndDirectiveIndex(tView, directiveIndex) {\n    var tViewContentQueries = tView.contentQueries || (tView.contentQueries = []);\n    var lastSavedDirectiveIndex = tView.contentQueries.length ? tViewContentQueries[tViewContentQueries.length - 1] : -1;\n    if (directiveIndex !== lastSavedDirectiveIndex) {\n        tViewContentQueries.push(tView.queries.length - 1, directiveIndex);\n    }\n}\nfunction getTQuery(tView, index) {\n    ngDevMode && assertDefined(tView.queries, 'TQueries must be defined to retrieve a TQuery');\n    return tView.queries.getByIndex(index);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Retrieves `TemplateRef` instance from `Injector` when a local reference is placed on the\n * `<ng-template>` element.\n *\n * @codeGenApi\n */\nfunction ɵɵtemplateRefExtractor(tNode, currentView) {\n    return createTemplateRef(TemplateRef, ElementRef, tNode, currentView);\n}\n/**\n * Returns the appropriate `ChangeDetectorRef` for a pipe.\n *\n * @codeGenApi\n */\nfunction ɵɵinjectPipeChangeDetectorRef(flags) {\n    if (flags === void 0) { flags = InjectFlags.Default; }\n    var value = injectChangeDetectorRef(true);\n    if (value == null && !(flags & InjectFlags.Optional)) {\n        throw new Error(\"No provider for ChangeDetectorRef!\");\n    }\n    else {\n        return value;\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ɵ0$d = function () { return ({\n    'ɵɵattribute': ɵɵattribute,\n    'ɵɵattributeInterpolate1': ɵɵattributeInterpolate1,\n    'ɵɵattributeInterpolate2': ɵɵattributeInterpolate2,\n    'ɵɵattributeInterpolate3': ɵɵattributeInterpolate3,\n    'ɵɵattributeInterpolate4': ɵɵattributeInterpolate4,\n    'ɵɵattributeInterpolate5': ɵɵattributeInterpolate5,\n    'ɵɵattributeInterpolate6': ɵɵattributeInterpolate6,\n    'ɵɵattributeInterpolate7': ɵɵattributeInterpolate7,\n    'ɵɵattributeInterpolate8': ɵɵattributeInterpolate8,\n    'ɵɵattributeInterpolateV': ɵɵattributeInterpolateV,\n    'ɵɵdefineComponent': ɵɵdefineComponent,\n    'ɵɵdefineDirective': ɵɵdefineDirective,\n    'ɵɵdefineInjectable': ɵɵdefineInjectable,\n    'ɵɵdefineInjector': ɵɵdefineInjector,\n    'ɵɵdefineNgModule': ɵɵdefineNgModule,\n    'ɵɵdefinePipe': ɵɵdefinePipe,\n    'ɵɵdirectiveInject': ɵɵdirectiveInject,\n    'ɵɵgetFactoryOf': ɵɵgetFactoryOf,\n    'ɵɵgetInheritedFactory': ɵɵgetInheritedFactory,\n    'ɵɵinject': ɵɵinject,\n    'ɵɵinjectAttribute': ɵɵinjectAttribute,\n    'ɵɵinvalidFactory': ɵɵinvalidFactory,\n    'ɵɵinvalidFactoryDep': ɵɵinvalidFactoryDep,\n    'ɵɵinjectPipeChangeDetectorRef': ɵɵinjectPipeChangeDetectorRef,\n    'ɵɵtemplateRefExtractor': ɵɵtemplateRefExtractor,\n    'ɵɵNgOnChangesFeature': ɵɵNgOnChangesFeature,\n    'ɵɵProvidersFeature': ɵɵProvidersFeature,\n    'ɵɵCopyDefinitionFeature': ɵɵCopyDefinitionFeature,\n    'ɵɵInheritDefinitionFeature': ɵɵInheritDefinitionFeature,\n    'ɵɵcontainer': ɵɵcontainer,\n    'ɵɵnextContext': ɵɵnextContext,\n    'ɵɵcontainerRefreshStart': ɵɵcontainerRefreshStart,\n    'ɵɵcontainerRefreshEnd': ɵɵcontainerRefreshEnd,\n    'ɵɵnamespaceHTML': ɵɵnamespaceHTML,\n    'ɵɵnamespaceMathML': ɵɵnamespaceMathML,\n    'ɵɵnamespaceSVG': ɵɵnamespaceSVG,\n    'ɵɵenableBindings': ɵɵenableBindings,\n    'ɵɵdisableBindings': ɵɵdisableBindings,\n    'ɵɵelementStart': ɵɵelementStart,\n    'ɵɵelementEnd': ɵɵelementEnd,\n    'ɵɵelement': ɵɵelement,\n    'ɵɵelementContainerStart': ɵɵelementContainerStart,\n    'ɵɵelementContainerEnd': ɵɵelementContainerEnd,\n    'ɵɵelementContainer': ɵɵelementContainer,\n    'ɵɵpureFunction0': ɵɵpureFunction0,\n    'ɵɵpureFunction1': ɵɵpureFunction1,\n    'ɵɵpureFunction2': ɵɵpureFunction2,\n    'ɵɵpureFunction3': ɵɵpureFunction3,\n    'ɵɵpureFunction4': ɵɵpureFunction4,\n    'ɵɵpureFunction5': ɵɵpureFunction5,\n    'ɵɵpureFunction6': ɵɵpureFunction6,\n    'ɵɵpureFunction7': ɵɵpureFunction7,\n    'ɵɵpureFunction8': ɵɵpureFunction8,\n    'ɵɵpureFunctionV': ɵɵpureFunctionV,\n    'ɵɵgetCurrentView': ɵɵgetCurrentView,\n    'ɵɵrestoreView': ɵɵrestoreView,\n    'ɵɵlistener': ɵɵlistener,\n    'ɵɵprojection': ɵɵprojection,\n    'ɵɵupdateSyntheticHostBinding': ɵɵupdateSyntheticHostBinding,\n    'ɵɵcomponentHostSyntheticListener': ɵɵcomponentHostSyntheticListener,\n    'ɵɵpipeBind1': ɵɵpipeBind1,\n    'ɵɵpipeBind2': ɵɵpipeBind2,\n    'ɵɵpipeBind3': ɵɵpipeBind3,\n    'ɵɵpipeBind4': ɵɵpipeBind4,\n    'ɵɵpipeBindV': ɵɵpipeBindV,\n    'ɵɵprojectionDef': ɵɵprojectionDef,\n    'ɵɵhostProperty': ɵɵhostProperty,\n    'ɵɵproperty': ɵɵproperty,\n    'ɵɵpropertyInterpolate': ɵɵpropertyInterpolate,\n    'ɵɵpropertyInterpolate1': ɵɵpropertyInterpolate1,\n    'ɵɵpropertyInterpolate2': ɵɵpropertyInterpolate2,\n    'ɵɵpropertyInterpolate3': ɵɵpropertyInterpolate3,\n    'ɵɵpropertyInterpolate4': ɵɵpropertyInterpolate4,\n    'ɵɵpropertyInterpolate5': ɵɵpropertyInterpolate5,\n    'ɵɵpropertyInterpolate6': ɵɵpropertyInterpolate6,\n    'ɵɵpropertyInterpolate7': ɵɵpropertyInterpolate7,\n    'ɵɵpropertyInterpolate8': ɵɵpropertyInterpolate8,\n    'ɵɵpropertyInterpolateV': ɵɵpropertyInterpolateV,\n    'ɵɵpipe': ɵɵpipe,\n    'ɵɵqueryRefresh': ɵɵqueryRefresh,\n    'ɵɵviewQuery': ɵɵviewQuery,\n    'ɵɵstaticViewQuery': ɵɵstaticViewQuery,\n    'ɵɵstaticContentQuery': ɵɵstaticContentQuery,\n    'ɵɵloadQuery': ɵɵloadQuery,\n    'ɵɵcontentQuery': ɵɵcontentQuery,\n    'ɵɵreference': ɵɵreference,\n    'ɵɵclassMap': ɵɵclassMap,\n    'ɵɵclassMapInterpolate1': ɵɵclassMapInterpolate1,\n    'ɵɵclassMapInterpolate2': ɵɵclassMapInterpolate2,\n    'ɵɵclassMapInterpolate3': ɵɵclassMapInterpolate3,\n    'ɵɵclassMapInterpolate4': ɵɵclassMapInterpolate4,\n    'ɵɵclassMapInterpolate5': ɵɵclassMapInterpolate5,\n    'ɵɵclassMapInterpolate6': ɵɵclassMapInterpolate6,\n    'ɵɵclassMapInterpolate7': ɵɵclassMapInterpolate7,\n    'ɵɵclassMapInterpolate8': ɵɵclassMapInterpolate8,\n    'ɵɵclassMapInterpolateV': ɵɵclassMapInterpolateV,\n    'ɵɵstyleMap': ɵɵstyleMap,\n    'ɵɵstyleProp': ɵɵstyleProp,\n    'ɵɵstylePropInterpolate1': ɵɵstylePropInterpolate1,\n    'ɵɵstylePropInterpolate2': ɵɵstylePropInterpolate2,\n    'ɵɵstylePropInterpolate3': ɵɵstylePropInterpolate3,\n    'ɵɵstylePropInterpolate4': ɵɵstylePropInterpolate4,\n    'ɵɵstylePropInterpolate5': ɵɵstylePropInterpolate5,\n    'ɵɵstylePropInterpolate6': ɵɵstylePropInterpolate6,\n    'ɵɵstylePropInterpolate7': ɵɵstylePropInterpolate7,\n    'ɵɵstylePropInterpolate8': ɵɵstylePropInterpolate8,\n    'ɵɵstylePropInterpolateV': ɵɵstylePropInterpolateV,\n    'ɵɵstyleSanitizer': ɵɵstyleSanitizer,\n    'ɵɵclassProp': ɵɵclassProp,\n    'ɵɵselect': ɵɵselect,\n    'ɵɵadvance': ɵɵadvance,\n    'ɵɵtemplate': ɵɵtemplate,\n    'ɵɵtext': ɵɵtext,\n    'ɵɵtextInterpolate': ɵɵtextInterpolate,\n    'ɵɵtextInterpolate1': ɵɵtextInterpolate1,\n    'ɵɵtextInterpolate2': ɵɵtextInterpolate2,\n    'ɵɵtextInterpolate3': ɵɵtextInterpolate3,\n    'ɵɵtextInterpolate4': ɵɵtextInterpolate4,\n    'ɵɵtextInterpolate5': ɵɵtextInterpolate5,\n    'ɵɵtextInterpolate6': ɵɵtextInterpolate6,\n    'ɵɵtextInterpolate7': ɵɵtextInterpolate7,\n    'ɵɵtextInterpolate8': ɵɵtextInterpolate8,\n    'ɵɵtextInterpolateV': ɵɵtextInterpolateV,\n    'ɵɵembeddedViewStart': ɵɵembeddedViewStart,\n    'ɵɵembeddedViewEnd': ɵɵembeddedViewEnd,\n    'ɵɵi18n': ɵɵi18n,\n    'ɵɵi18nAttributes': ɵɵi18nAttributes,\n    'ɵɵi18nExp': ɵɵi18nExp,\n    'ɵɵi18nStart': ɵɵi18nStart,\n    'ɵɵi18nEnd': ɵɵi18nEnd,\n    'ɵɵi18nApply': ɵɵi18nApply,\n    'ɵɵi18nPostprocess': ɵɵi18nPostprocess,\n    'ɵɵresolveWindow': ɵɵresolveWindow,\n    'ɵɵresolveDocument': ɵɵresolveDocument,\n    'ɵɵresolveBody': ɵɵresolveBody,\n    'ɵɵsetComponentScope': ɵɵsetComponentScope,\n    'ɵɵsetNgModuleScope': ɵɵsetNgModuleScope,\n    'ɵɵsanitizeHtml': ɵɵsanitizeHtml,\n    'ɵɵsanitizeStyle': ɵɵsanitizeStyle,\n    'ɵɵdefaultStyleSanitizer': ɵɵdefaultStyleSanitizer,\n    'ɵɵsanitizeResourceUrl': ɵɵsanitizeResourceUrl,\n    'ɵɵsanitizeScript': ɵɵsanitizeScript,\n    'ɵɵsanitizeUrl': ɵɵsanitizeUrl,\n    'ɵɵsanitizeUrlOrResourceUrl': ɵɵsanitizeUrlOrResourceUrl,\n}); };\n/**\n * A mapping of the @angular/core API surface used in generated expressions to the actual symbols.\n *\n * This should be kept up to date with the public exports of @angular/core.\n */\nvar angularCoreEnv = (ɵ0$d)();\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar EMPTY_ARRAY$5 = [];\nvar moduleQueue = [];\n/**\n * Enqueues moduleDef to be checked later to see if scope can be set on its\n * component declarations.\n */\nfunction enqueueModuleForDelayedScoping(moduleType, ngModule) {\n    moduleQueue.push({ moduleType: moduleType, ngModule: ngModule });\n}\nvar flushingModuleQueue = false;\n/**\n * Loops over queued module definitions, if a given module definition has all of its\n * declarations resolved, it dequeues that module definition and sets the scope on\n * its declarations.\n */\nfunction flushModuleScopingQueueAsMuchAsPossible() {\n    if (!flushingModuleQueue) {\n        flushingModuleQueue = true;\n        try {\n            for (var i = moduleQueue.length - 1; i >= 0; i--) {\n                var _a = moduleQueue[i], moduleType = _a.moduleType, ngModule = _a.ngModule;\n                if (ngModule.declarations && ngModule.declarations.every(isResolvedDeclaration)) {\n                    // dequeue\n                    moduleQueue.splice(i, 1);\n                    setScopeOnDeclaredComponents(moduleType, ngModule);\n                }\n            }\n        }\n        finally {\n            flushingModuleQueue = false;\n        }\n    }\n}\n/**\n * Returns truthy if a declaration has resolved. If the declaration happens to be\n * an array of declarations, it will recurse to check each declaration in that array\n * (which may also be arrays).\n */\nfunction isResolvedDeclaration(declaration) {\n    if (Array.isArray(declaration)) {\n        return declaration.every(isResolvedDeclaration);\n    }\n    return !!resolveForwardRef(declaration);\n}\n/**\n * Compiles a module in JIT mode.\n *\n * This function automatically gets called when a class has a `@NgModule` decorator.\n */\nfunction compileNgModule(moduleType, ngModule) {\n    if (ngModule === void 0) { ngModule = {}; }\n    compileNgModuleDefs(moduleType, ngModule);\n    // Because we don't know if all declarations have resolved yet at the moment the\n    // NgModule decorator is executing, we're enqueueing the setting of module scope\n    // on its declarations to be run at a later time when all declarations for the module,\n    // including forward refs, have resolved.\n    enqueueModuleForDelayedScoping(moduleType, ngModule);\n}\n/**\n * Compiles and adds the `ɵmod` and `ɵinj` properties to the module class.\n *\n * It's possible to compile a module via this API which will allow duplicate declarations in its\n * root.\n */\nfunction compileNgModuleDefs(moduleType, ngModule, allowDuplicateDeclarationsInRoot) {\n    if (allowDuplicateDeclarationsInRoot === void 0) { allowDuplicateDeclarationsInRoot = false; }\n    ngDevMode && assertDefined(moduleType, 'Required value moduleType');\n    ngDevMode && assertDefined(ngModule, 'Required value ngModule');\n    var declarations = flatten(ngModule.declarations || EMPTY_ARRAY$5);\n    var ngModuleDef = null;\n    Object.defineProperty(moduleType, NG_MOD_DEF, {\n        configurable: true,\n        get: function () {\n            if (ngModuleDef === null) {\n                if (ngDevMode && ngModule.imports && ngModule.imports.indexOf(moduleType) > -1) {\n                    // We need to assert this immediately, because allowing it to continue will cause it to\n                    // go into an infinite loop before we've reached the point where we throw all the errors.\n                    throw new Error(\"'\" + stringifyForError(moduleType) + \"' module can't import itself\");\n                }\n                ngModuleDef = getCompilerFacade().compileNgModule(angularCoreEnv, \"ng:///\" + moduleType.name + \"/\\u0275mod.js\", {\n                    type: moduleType,\n                    bootstrap: flatten(ngModule.bootstrap || EMPTY_ARRAY$5).map(resolveForwardRef),\n                    declarations: declarations.map(resolveForwardRef),\n                    imports: flatten(ngModule.imports || EMPTY_ARRAY$5)\n                        .map(resolveForwardRef)\n                        .map(expandModuleWithProviders),\n                    exports: flatten(ngModule.exports || EMPTY_ARRAY$5)\n                        .map(resolveForwardRef)\n                        .map(expandModuleWithProviders),\n                    schemas: ngModule.schemas ? flatten(ngModule.schemas) : null,\n                    id: ngModule.id || null,\n                });\n                // Set `schemas` on ngModuleDef to an empty array in JIT mode to indicate that runtime\n                // should verify that there are no unknown elements in a template. In AOT mode, that check\n                // happens at compile time and `schemas` information is not present on Component and Module\n                // defs after compilation (so the check doesn't happen the second time at runtime).\n                if (!ngModuleDef.schemas) {\n                    ngModuleDef.schemas = [];\n                }\n            }\n            return ngModuleDef;\n        }\n    });\n    var ngInjectorDef = null;\n    Object.defineProperty(moduleType, NG_INJ_DEF, {\n        get: function () {\n            if (ngInjectorDef === null) {\n                ngDevMode && verifySemanticsOfNgModuleDef(moduleType, allowDuplicateDeclarationsInRoot);\n                var meta = {\n                    name: moduleType.name,\n                    type: moduleType,\n                    deps: reflectDependencies(moduleType),\n                    providers: ngModule.providers || EMPTY_ARRAY$5,\n                    imports: [\n                        (ngModule.imports || EMPTY_ARRAY$5).map(resolveForwardRef),\n                        (ngModule.exports || EMPTY_ARRAY$5).map(resolveForwardRef),\n                    ],\n                };\n                ngInjectorDef = getCompilerFacade().compileInjector(angularCoreEnv, \"ng:///\" + moduleType.name + \"/\\u0275inj.js\", meta);\n            }\n            return ngInjectorDef;\n        },\n        // Make the property configurable in dev mode to allow overriding in tests\n        configurable: !!ngDevMode,\n    });\n}\nfunction verifySemanticsOfNgModuleDef(moduleType, allowDuplicateDeclarationsInRoot, importingModule) {\n    if (verifiedNgModule.get(moduleType))\n        return;\n    verifiedNgModule.set(moduleType, true);\n    moduleType = resolveForwardRef(moduleType);\n    var ngModuleDef;\n    if (importingModule) {\n        ngModuleDef = getNgModuleDef(moduleType);\n        if (!ngModuleDef) {\n            throw new Error(\"Unexpected value '\" + moduleType.name + \"' imported by the module '\" + importingModule.name + \"'. Please add an @NgModule annotation.\");\n        }\n    }\n    else {\n        ngModuleDef = getNgModuleDef(moduleType, true);\n    }\n    var errors = [];\n    var declarations = maybeUnwrapFn(ngModuleDef.declarations);\n    var imports = maybeUnwrapFn(ngModuleDef.imports);\n    flatten(imports).map(unwrapModuleWithProvidersImports).forEach(function (mod) {\n        verifySemanticsOfNgModuleImport(mod, moduleType);\n        verifySemanticsOfNgModuleDef(mod, false, moduleType);\n    });\n    var exports = maybeUnwrapFn(ngModuleDef.exports);\n    declarations.forEach(verifyDeclarationsHaveDefinitions);\n    declarations.forEach(verifyDirectivesHaveSelector);\n    var combinedDeclarations = __spread(declarations.map(resolveForwardRef), flatten(imports.map(computeCombinedExports)).map(resolveForwardRef));\n    exports.forEach(verifyExportsAreDeclaredOrReExported);\n    declarations.forEach(function (decl) { return verifyDeclarationIsUnique(decl, allowDuplicateDeclarationsInRoot); });\n    declarations.forEach(verifyComponentEntryComponentsIsPartOfNgModule);\n    var ngModule = getAnnotation(moduleType, 'NgModule');\n    if (ngModule) {\n        ngModule.imports &&\n            flatten(ngModule.imports).map(unwrapModuleWithProvidersImports).forEach(function (mod) {\n                verifySemanticsOfNgModuleImport(mod, moduleType);\n                verifySemanticsOfNgModuleDef(mod, false, moduleType);\n            });\n        ngModule.bootstrap && deepForEach(ngModule.bootstrap, verifyCorrectBootstrapType);\n        ngModule.bootstrap && deepForEach(ngModule.bootstrap, verifyComponentIsPartOfNgModule);\n        ngModule.entryComponents &&\n            deepForEach(ngModule.entryComponents, verifyComponentIsPartOfNgModule);\n    }\n    // Throw Error if any errors were detected.\n    if (errors.length) {\n        throw new Error(errors.join('\\n'));\n    }\n    ////////////////////////////////////////////////////////////////////////////////////////////////\n    function verifyDeclarationsHaveDefinitions(type) {\n        type = resolveForwardRef(type);\n        var def = getComponentDef(type) || getDirectiveDef(type) || getPipeDef(type);\n        if (!def) {\n            errors.push(\"Unexpected value '\" + stringifyForError(type) + \"' declared by the module '\" + stringifyForError(moduleType) + \"'. Please add a @Pipe/@Directive/@Component annotation.\");\n        }\n    }\n    function verifyDirectivesHaveSelector(type) {\n        type = resolveForwardRef(type);\n        var def = getDirectiveDef(type);\n        if (!getComponentDef(type) && def && def.selectors.length == 0) {\n            errors.push(\"Directive \" + stringifyForError(type) + \" has no selector, please add it!\");\n        }\n    }\n    function verifyExportsAreDeclaredOrReExported(type) {\n        type = resolveForwardRef(type);\n        var kind = getComponentDef(type) && 'component' || getDirectiveDef(type) && 'directive' ||\n            getPipeDef(type) && 'pipe';\n        if (kind) {\n            // only checked if we are declared as Component, Directive, or Pipe\n            // Modules don't need to be declared or imported.\n            if (combinedDeclarations.lastIndexOf(type) === -1) {\n                // We are exporting something which we don't explicitly declare or import.\n                errors.push(\"Can't export \" + kind + \" \" + stringifyForError(type) + \" from \" + stringifyForError(moduleType) + \" as it was neither declared nor imported!\");\n            }\n        }\n    }\n    function verifyDeclarationIsUnique(type, suppressErrors) {\n        type = resolveForwardRef(type);\n        var existingModule = ownerNgModule.get(type);\n        if (existingModule && existingModule !== moduleType) {\n            if (!suppressErrors) {\n                var modules = [existingModule, moduleType].map(stringifyForError).sort();\n                errors.push(\"Type \" + stringifyForError(type) + \" is part of the declarations of 2 modules: \" + modules[0] + \" and \" + modules[1] + \"! \" +\n                    (\"Please consider moving \" + stringifyForError(type) + \" to a higher module that imports \" + modules[0] + \" and \" + modules[1] + \". \") +\n                    (\"You can also create a new NgModule that exports and includes \" + stringifyForError(type) + \" then import that NgModule in \" + modules[0] + \" and \" + modules[1] + \".\"));\n            }\n        }\n        else {\n            // Mark type as having owner.\n            ownerNgModule.set(type, moduleType);\n        }\n    }\n    function verifyComponentIsPartOfNgModule(type) {\n        type = resolveForwardRef(type);\n        var existingModule = ownerNgModule.get(type);\n        if (!existingModule) {\n            errors.push(\"Component \" + stringifyForError(type) + \" is not part of any NgModule or the module has not been imported into your module.\");\n        }\n    }\n    function verifyCorrectBootstrapType(type) {\n        type = resolveForwardRef(type);\n        if (!getComponentDef(type)) {\n            errors.push(stringifyForError(type) + \" cannot be used as an entry component.\");\n        }\n    }\n    function verifyComponentEntryComponentsIsPartOfNgModule(type) {\n        type = resolveForwardRef(type);\n        if (getComponentDef(type)) {\n            // We know we are component\n            var component = getAnnotation(type, 'Component');\n            if (component && component.entryComponents) {\n                deepForEach(component.entryComponents, verifyComponentIsPartOfNgModule);\n            }\n        }\n    }\n    function verifySemanticsOfNgModuleImport(type, importingModule) {\n        type = resolveForwardRef(type);\n        if (getComponentDef(type) || getDirectiveDef(type)) {\n            throw new Error(\"Unexpected directive '\" + type.name + \"' imported by the module '\" + importingModule.name + \"'. Please add an @NgModule annotation.\");\n        }\n        if (getPipeDef(type)) {\n            throw new Error(\"Unexpected pipe '\" + type.name + \"' imported by the module '\" + importingModule.name + \"'. Please add an @NgModule annotation.\");\n        }\n    }\n}\nfunction unwrapModuleWithProvidersImports(typeOrWithProviders) {\n    typeOrWithProviders = resolveForwardRef(typeOrWithProviders);\n    return typeOrWithProviders.ngModule || typeOrWithProviders;\n}\nfunction getAnnotation(type, name) {\n    var annotation = null;\n    collect(type.__annotations__);\n    collect(type.decorators);\n    return annotation;\n    function collect(annotations) {\n        if (annotations) {\n            annotations.forEach(readAnnotation);\n        }\n    }\n    function readAnnotation(decorator) {\n        if (!annotation) {\n            var proto = Object.getPrototypeOf(decorator);\n            if (proto.ngMetadataName == name) {\n                annotation = decorator;\n            }\n            else if (decorator.type) {\n                var proto_1 = Object.getPrototypeOf(decorator.type);\n                if (proto_1.ngMetadataName == name) {\n                    annotation = decorator.args[0];\n                }\n            }\n        }\n    }\n}\n/**\n * Keep track of compiled components. This is needed because in tests we often want to compile the\n * same component with more than one NgModule. This would cause an error unless we reset which\n * NgModule the component belongs to. We keep the list of compiled components here so that the\n * TestBed can reset it later.\n */\nvar ownerNgModule = new Map();\nvar verifiedNgModule = new Map();\nfunction resetCompiledComponents() {\n    ownerNgModule = new Map();\n    verifiedNgModule = new Map();\n    moduleQueue.length = 0;\n}\n/**\n * Computes the combined declarations of explicit declarations, as well as declarations inherited by\n * traversing the exports of imported modules.\n * @param type\n */\nfunction computeCombinedExports(type) {\n    type = resolveForwardRef(type);\n    var ngModuleDef = getNgModuleDef(type, true);\n    return __spread(flatten(maybeUnwrapFn(ngModuleDef.exports).map(function (type) {\n        var ngModuleDef = getNgModuleDef(type);\n        if (ngModuleDef) {\n            verifySemanticsOfNgModuleDef(type, false);\n            return computeCombinedExports(type);\n        }\n        else {\n            return type;\n        }\n    })));\n}\n/**\n * Some declared components may be compiled asynchronously, and thus may not have their\n * ɵcmp set yet. If this is the case, then a reference to the module is written into\n * the `ngSelectorScope` property of the declared type.\n */\nfunction setScopeOnDeclaredComponents(moduleType, ngModule) {\n    var declarations = flatten(ngModule.declarations || EMPTY_ARRAY$5);\n    var transitiveScopes = transitiveScopesFor(moduleType);\n    declarations.forEach(function (declaration) {\n        if (declaration.hasOwnProperty(NG_COMP_DEF)) {\n            // A `ɵcmp` field exists - go ahead and patch the component directly.\n            var component = declaration;\n            var componentDef = getComponentDef(component);\n            patchComponentDefWithScope(componentDef, transitiveScopes);\n        }\n        else if (!declaration.hasOwnProperty(NG_DIR_DEF) && !declaration.hasOwnProperty(NG_PIPE_DEF)) {\n            // Set `ngSelectorScope` for future reference when the component compilation finishes.\n            declaration.ngSelectorScope = moduleType;\n        }\n    });\n}\n/**\n * Patch the definition of a component with directives and pipes from the compilation scope of\n * a given module.\n */\nfunction patchComponentDefWithScope(componentDef, transitiveScopes) {\n    componentDef.directiveDefs = function () {\n        return Array.from(transitiveScopes.compilation.directives)\n            .map(function (dir) {\n            return dir.hasOwnProperty(NG_COMP_DEF) ? getComponentDef(dir) : getDirectiveDef(dir);\n        })\n            .filter(function (def) { return !!def; });\n    };\n    componentDef.pipeDefs = function () {\n        return Array.from(transitiveScopes.compilation.pipes).map(function (pipe) { return getPipeDef(pipe); });\n    };\n    componentDef.schemas = transitiveScopes.schemas;\n    // Since we avoid Components/Directives/Pipes recompiling in case there are no overrides, we\n    // may face a problem where previously compiled defs available to a given Component/Directive\n    // are cached in TView and may become stale (in case any of these defs gets recompiled). In\n    // order to avoid this problem, we force fresh TView to be created.\n    componentDef.tView = null;\n}\n/**\n * Compute the pair of transitive scopes (compilation scope and exported scope) for a given module.\n *\n * By default this operation is memoized and the result is cached on the module's definition. You\n * can avoid memoization and previously stored results (if available) by providing the second\n * argument with the `true` value (forcing transitive scopes recalculation).\n *\n * This function can be called on modules with components that have not fully compiled yet, but the\n * result should not be used until they have.\n *\n * @param moduleType module that transitive scope should be calculated for.\n * @param forceRecalc flag that indicates whether previously calculated and memoized values should\n * be ignored and transitive scope to be fully recalculated.\n */\nfunction transitiveScopesFor(moduleType, forceRecalc) {\n    if (forceRecalc === void 0) { forceRecalc = false; }\n    if (!isNgModule(moduleType)) {\n        throw new Error(moduleType.name + \" does not have a module def (\\u0275mod property)\");\n    }\n    var def = getNgModuleDef(moduleType);\n    if (!forceRecalc && def.transitiveCompileScopes !== null) {\n        return def.transitiveCompileScopes;\n    }\n    var scopes = {\n        schemas: def.schemas || null,\n        compilation: {\n            directives: new Set(),\n            pipes: new Set(),\n        },\n        exported: {\n            directives: new Set(),\n            pipes: new Set(),\n        },\n    };\n    maybeUnwrapFn(def.declarations).forEach(function (declared) {\n        var declaredWithDefs = declared;\n        if (getPipeDef(declaredWithDefs)) {\n            scopes.compilation.pipes.add(declared);\n        }\n        else {\n            // Either declared has a ɵcmp or ɵdir, or it's a component which hasn't\n            // had its template compiled yet. In either case, it gets added to the compilation's\n            // directives.\n            scopes.compilation.directives.add(declared);\n        }\n    });\n    maybeUnwrapFn(def.imports).forEach(function (imported) {\n        var importedType = imported;\n        if (!isNgModule(importedType)) {\n            throw new Error(\"Importing \" + importedType.name + \" which does not have a \\u0275mod property\");\n        }\n        // When this module imports another, the imported module's exported directives and pipes are\n        // added to the compilation scope of this module.\n        var importedScope = transitiveScopesFor(importedType, forceRecalc);\n        importedScope.exported.directives.forEach(function (entry) { return scopes.compilation.directives.add(entry); });\n        importedScope.exported.pipes.forEach(function (entry) { return scopes.compilation.pipes.add(entry); });\n    });\n    maybeUnwrapFn(def.exports).forEach(function (exported) {\n        var exportedType = exported;\n        // Either the type is a module, a pipe, or a component/directive (which may not have a\n        // ɵcmp as it might be compiled asynchronously).\n        if (isNgModule(exportedType)) {\n            // When this module exports another, the exported module's exported directives and pipes are\n            // added to both the compilation and exported scopes of this module.\n            var exportedScope = transitiveScopesFor(exportedType, forceRecalc);\n            exportedScope.exported.directives.forEach(function (entry) {\n                scopes.compilation.directives.add(entry);\n                scopes.exported.directives.add(entry);\n            });\n            exportedScope.exported.pipes.forEach(function (entry) {\n                scopes.compilation.pipes.add(entry);\n                scopes.exported.pipes.add(entry);\n            });\n        }\n        else if (getPipeDef(exportedType)) {\n            scopes.exported.pipes.add(exportedType);\n        }\n        else {\n            scopes.exported.directives.add(exportedType);\n        }\n    });\n    if (!forceRecalc) {\n        def.transitiveCompileScopes = scopes;\n    }\n    return scopes;\n}\nfunction expandModuleWithProviders(value) {\n    if (isModuleWithProviders(value)) {\n        return value.ngModule;\n    }\n    return value;\n}\nfunction isModuleWithProviders(value) {\n    return value.ngModule !== undefined;\n}\nfunction isNgModule(value) {\n    return !!getNgModuleDef(value);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Compile an Angular component according to its decorator metadata, and patch the resulting\n * component def (ɵcmp) onto the component type.\n *\n * Compilation may be asynchronous (due to the need to resolve URLs for the component template or\n * other resources, for example). In the event that compilation is not immediate, `compileComponent`\n * will enqueue resource resolution into a global queue and will fail to return the `ɵcmp`\n * until the global queue has been resolved with a call to `resolveComponentResources`.\n */\nfunction compileComponent(type, metadata) {\n    // Initialize ngDevMode. This must be the first statement in compileComponent.\n    // See the `initNgDevMode` docstring for more information.\n    (typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode();\n    var ngComponentDef = null;\n    // Metadata may have resources which need to be resolved.\n    maybeQueueResolutionOfComponentResources(type, metadata);\n    // Note that we're using the same function as `Directive`, because that's only subset of metadata\n    // that we need to create the ngFactoryDef. We're avoiding using the component metadata\n    // because we'd have to resolve the asynchronous templates.\n    addDirectiveFactoryDef(type, metadata);\n    Object.defineProperty(type, NG_COMP_DEF, {\n        get: function () {\n            if (ngComponentDef === null) {\n                var compiler = getCompilerFacade();\n                if (componentNeedsResolution(metadata)) {\n                    var error = [\"Component '\" + type.name + \"' is not resolved:\"];\n                    if (metadata.templateUrl) {\n                        error.push(\" - templateUrl: \" + metadata.templateUrl);\n                    }\n                    if (metadata.styleUrls && metadata.styleUrls.length) {\n                        error.push(\" - styleUrls: \" + JSON.stringify(metadata.styleUrls));\n                    }\n                    error.push(\"Did you run and wait for 'resolveComponentResources()'?\");\n                    throw new Error(error.join('\\n'));\n                }\n                var templateUrl = metadata.templateUrl || \"ng:///\" + type.name + \"/template.html\";\n                var meta = __assign(__assign({}, directiveMetadata(type, metadata)), { typeSourceSpan: compiler.createParseSourceSpan('Component', type.name, templateUrl), template: metadata.template || '', preserveWhitespaces: metadata.preserveWhitespaces || false, styles: metadata.styles || EMPTY_ARRAY, animations: metadata.animations, directives: [], changeDetection: metadata.changeDetection, pipes: new Map(), encapsulation: metadata.encapsulation || ViewEncapsulation$1.Emulated, interpolation: metadata.interpolation, viewProviders: metadata.viewProviders || null });\n                if (meta.usesInheritance) {\n                    addDirectiveDefToUndecoratedParents(type);\n                }\n                ngComponentDef = compiler.compileComponent(angularCoreEnv, templateUrl, meta);\n                // When NgModule decorator executed, we enqueued the module definition such that\n                // it would only dequeue and add itself as module scope to all of its declarations,\n                // but only if  if all of its declarations had resolved. This call runs the check\n                // to see if any modules that are in the queue can be dequeued and add scope to\n                // their declarations.\n                flushModuleScopingQueueAsMuchAsPossible();\n                // If component compilation is async, then the @NgModule annotation which declares the\n                // component may execute and set an ngSelectorScope property on the component type. This\n                // allows the component to patch itself with directiveDefs from the module after it\n                // finishes compiling.\n                if (hasSelectorScope(type)) {\n                    var scopes = transitiveScopesFor(type.ngSelectorScope);\n                    patchComponentDefWithScope(ngComponentDef, scopes);\n                }\n            }\n            return ngComponentDef;\n        },\n        // Make the property configurable in dev mode to allow overriding in tests\n        configurable: !!ngDevMode,\n    });\n}\nfunction hasSelectorScope(component) {\n    return component.ngSelectorScope !== undefined;\n}\n/**\n * Compile an Angular directive according to its decorator metadata, and patch the resulting\n * directive def onto the component type.\n *\n * In the event that compilation is not immediate, `compileDirective` will return a `Promise` which\n * will resolve when compilation completes and the directive becomes usable.\n */\nfunction compileDirective(type, directive) {\n    var ngDirectiveDef = null;\n    addDirectiveFactoryDef(type, directive || {});\n    Object.defineProperty(type, NG_DIR_DEF, {\n        get: function () {\n            if (ngDirectiveDef === null) {\n                // `directive` can be null in the case of abstract directives as a base class\n                // that use `@Directive()` with no selector. In that case, pass empty object to the\n                // `directiveMetadata` function instead of null.\n                var meta = getDirectiveMetadata(type, directive || {});\n                ngDirectiveDef =\n                    getCompilerFacade().compileDirective(angularCoreEnv, meta.sourceMapUrl, meta.metadata);\n            }\n            return ngDirectiveDef;\n        },\n        // Make the property configurable in dev mode to allow overriding in tests\n        configurable: !!ngDevMode,\n    });\n}\nfunction getDirectiveMetadata(type, metadata) {\n    var name = type && type.name;\n    var sourceMapUrl = \"ng:///\" + name + \"/\\u0275dir.js\";\n    var compiler = getCompilerFacade();\n    var facade = directiveMetadata(type, metadata);\n    facade.typeSourceSpan = compiler.createParseSourceSpan('Directive', name, sourceMapUrl);\n    if (facade.usesInheritance) {\n        addDirectiveDefToUndecoratedParents(type);\n    }\n    return { metadata: facade, sourceMapUrl: sourceMapUrl };\n}\nfunction addDirectiveFactoryDef(type, metadata) {\n    var ngFactoryDef = null;\n    Object.defineProperty(type, NG_FACTORY_DEF, {\n        get: function () {\n            if (ngFactoryDef === null) {\n                var meta = getDirectiveMetadata(type, metadata);\n                var compiler = getCompilerFacade();\n                ngFactoryDef = compiler.compileFactory(angularCoreEnv, \"ng:///\" + type.name + \"/\\u0275fac.js\", __assign(__assign({}, meta.metadata), { injectFn: 'directiveInject', target: compiler.R3FactoryTarget.Directive }));\n            }\n            return ngFactoryDef;\n        },\n        // Make the property configurable in dev mode to allow overriding in tests\n        configurable: !!ngDevMode,\n    });\n}\nfunction extendsDirectlyFromObject(type) {\n    return Object.getPrototypeOf(type.prototype) === Object.prototype;\n}\n/**\n * Extract the `R3DirectiveMetadata` for a particular directive (either a `Directive` or a\n * `Component`).\n */\nfunction directiveMetadata(type, metadata) {\n    // Reflect inputs and outputs.\n    var reflect = getReflect();\n    var propMetadata = reflect.ownPropMetadata(type);\n    return {\n        name: type.name,\n        type: type,\n        typeArgumentCount: 0,\n        selector: metadata.selector !== undefined ? metadata.selector : null,\n        deps: reflectDependencies(type),\n        host: metadata.host || EMPTY_OBJ,\n        propMetadata: propMetadata,\n        inputs: metadata.inputs || EMPTY_ARRAY,\n        outputs: metadata.outputs || EMPTY_ARRAY,\n        queries: extractQueriesMetadata(type, propMetadata, isContentQuery),\n        lifecycle: { usesOnChanges: reflect.hasLifecycleHook(type, 'ngOnChanges') },\n        typeSourceSpan: null,\n        usesInheritance: !extendsDirectlyFromObject(type),\n        exportAs: extractExportAs(metadata.exportAs),\n        providers: metadata.providers || null,\n        viewQueries: extractQueriesMetadata(type, propMetadata, isViewQuery)\n    };\n}\n/**\n * Adds a directive definition to all parent classes of a type that don't have an Angular decorator.\n */\nfunction addDirectiveDefToUndecoratedParents(type) {\n    var objPrototype = Object.prototype;\n    var parent = Object.getPrototypeOf(type.prototype).constructor;\n    // Go up the prototype until we hit `Object`.\n    while (parent && parent !== objPrototype) {\n        // Since inheritance works if the class was annotated already, we only need to add\n        // the def if there are no annotations and the def hasn't been created already.\n        if (!getDirectiveDef(parent) && !getComponentDef(parent) &&\n            shouldAddAbstractDirective(parent)) {\n            compileDirective(parent, null);\n        }\n        parent = Object.getPrototypeOf(parent);\n    }\n}\nfunction convertToR3QueryPredicate(selector) {\n    return typeof selector === 'string' ? splitByComma(selector) : resolveForwardRef(selector);\n}\nfunction convertToR3QueryMetadata(propertyName, ann) {\n    return {\n        propertyName: propertyName,\n        predicate: convertToR3QueryPredicate(ann.selector),\n        descendants: ann.descendants,\n        first: ann.first,\n        read: ann.read ? ann.read : null,\n        static: !!ann.static\n    };\n}\nfunction extractQueriesMetadata(type, propMetadata, isQueryAnn) {\n    var queriesMeta = [];\n    var _loop_1 = function (field) {\n        if (propMetadata.hasOwnProperty(field)) {\n            var annotations_1 = propMetadata[field];\n            annotations_1.forEach(function (ann) {\n                if (isQueryAnn(ann)) {\n                    if (!ann.selector) {\n                        throw new Error(\"Can't construct a query for the property \\\"\" + field + \"\\\" of \" +\n                            (\"\\\"\" + stringifyForError(type) + \"\\\" since the query selector wasn't defined.\"));\n                    }\n                    if (annotations_1.some(isInputAnnotation)) {\n                        throw new Error(\"Cannot combine @Input decorators with query decorators\");\n                    }\n                    queriesMeta.push(convertToR3QueryMetadata(field, ann));\n                }\n            });\n        }\n    };\n    for (var field in propMetadata) {\n        _loop_1(field);\n    }\n    return queriesMeta;\n}\nfunction extractExportAs(exportAs) {\n    return exportAs === undefined ? null : splitByComma(exportAs);\n}\nfunction isContentQuery(value) {\n    var name = value.ngMetadataName;\n    return name === 'ContentChild' || name === 'ContentChildren';\n}\nfunction isViewQuery(value) {\n    var name = value.ngMetadataName;\n    return name === 'ViewChild' || name === 'ViewChildren';\n}\nfunction isInputAnnotation(value) {\n    return value.ngMetadataName === 'Input';\n}\nfunction splitByComma(value) {\n    return value.split(',').map(function (piece) { return piece.trim(); });\n}\nvar LIFECYCLE_HOOKS = [\n    'ngOnChanges', 'ngOnInit', 'ngOnDestroy', 'ngDoCheck', 'ngAfterViewInit', 'ngAfterViewChecked',\n    'ngAfterContentInit', 'ngAfterContentChecked'\n];\nfunction shouldAddAbstractDirective(type) {\n    var reflect = getReflect();\n    if (LIFECYCLE_HOOKS.some(function (hookName) { return reflect.hasLifecycleHook(type, hookName); })) {\n        return true;\n    }\n    var propMetadata = reflect.propMetadata(type);\n    for (var field in propMetadata) {\n        var annotations = propMetadata[field];\n        for (var i = 0; i < annotations.length; i++) {\n            var current = annotations[i];\n            var metadataName = current.ngMetadataName;\n            if (isInputAnnotation(current) || isContentQuery(current) || isViewQuery(current) ||\n                metadataName === 'Output' || metadataName === 'HostBinding' ||\n                metadataName === 'HostListener') {\n                return true;\n            }\n        }\n    }\n    return false;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction compilePipe(type, meta) {\n    var ngPipeDef = null;\n    var ngFactoryDef = null;\n    Object.defineProperty(type, NG_FACTORY_DEF, {\n        get: function () {\n            if (ngFactoryDef === null) {\n                var metadata = getPipeMetadata(type, meta);\n                var compiler = getCompilerFacade();\n                ngFactoryDef = compiler.compileFactory(angularCoreEnv, \"ng:///\" + metadata.name + \"/\\u0275fac.js\", __assign(__assign({}, metadata), { injectFn: 'directiveInject', target: compiler.R3FactoryTarget.Pipe }));\n            }\n            return ngFactoryDef;\n        },\n        // Make the property configurable in dev mode to allow overriding in tests\n        configurable: !!ngDevMode,\n    });\n    Object.defineProperty(type, NG_PIPE_DEF, {\n        get: function () {\n            if (ngPipeDef === null) {\n                var metadata = getPipeMetadata(type, meta);\n                ngPipeDef = getCompilerFacade().compilePipe(angularCoreEnv, \"ng:///\" + metadata.name + \"/\\u0275pipe.js\", metadata);\n            }\n            return ngPipeDef;\n        },\n        // Make the property configurable in dev mode to allow overriding in tests\n        configurable: !!ngDevMode,\n    });\n}\nfunction getPipeMetadata(type, meta) {\n    return {\n        type: type,\n        typeArgumentCount: 0,\n        name: type.name,\n        deps: reflectDependencies(type),\n        pipeName: meta.name,\n        pure: meta.pure !== undefined ? meta.pure : true\n    };\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ɵ0$e = function (dir) {\n    if (dir === void 0) { dir = {}; }\n    return dir;\n}, ɵ1$3 = function (type, meta) { return SWITCH_COMPILE_DIRECTIVE(type, meta); };\n/**\n * Type of the Directive metadata.\n *\n * @publicApi\n */\nvar Directive = makeDecorator('Directive', ɵ0$e, undefined, undefined, ɵ1$3);\nvar ɵ2$1 = function (c) {\n    if (c === void 0) { c = {}; }\n    return (__assign({ changeDetection: ChangeDetectionStrategy.Default }, c));\n}, ɵ3$1 = function (type, meta) { return SWITCH_COMPILE_COMPONENT(type, meta); };\n/**\n * Component decorator and metadata.\n *\n * @Annotation\n * @publicApi\n */\nvar Component = makeDecorator('Component', ɵ2$1, Directive, undefined, ɵ3$1);\nvar ɵ4 = function (p) { return (__assign({ pure: true }, p)); }, ɵ5 = function (type, meta) { return SWITCH_COMPILE_PIPE(type, meta); };\n/**\n * @Annotation\n * @publicApi\n */\nvar Pipe = makeDecorator('Pipe', ɵ4, undefined, undefined, ɵ5);\nvar ɵ6 = function (bindingPropertyName) { return ({ bindingPropertyName: bindingPropertyName }); };\n/**\n * @Annotation\n * @publicApi\n */\nvar Input = makePropDecorator('Input', ɵ6);\nvar ɵ7 = function (bindingPropertyName) { return ({ bindingPropertyName: bindingPropertyName }); };\n/**\n * @Annotation\n * @publicApi\n */\nvar Output = makePropDecorator('Output', ɵ7);\nvar ɵ8 = function (hostPropertyName) { return ({ hostPropertyName: hostPropertyName }); };\n/**\n * @Annotation\n * @publicApi\n */\nvar HostBinding = makePropDecorator('HostBinding', ɵ8);\nvar ɵ9 = function (eventName, args) { return ({ eventName: eventName, args: args }); };\n/**\n * Decorator that binds a DOM event to a host listener and supplies configuration metadata.\n * Angular invokes the supplied handler method when the host element emits the specified event,\n * and updates the bound element with the result.\n *\n * If the handler method returns false, applies `preventDefault` on the bound element.\n *\n * @usageNotes\n *\n * The following example declares a directive\n * that attaches a click listener to a button and counts clicks.\n *\n * ```ts\n * @Directive({selector: 'button[counting]'})\n * class CountClicks {\n *   numberOfClicks = 0;\n *\n *   @HostListener('click', ['$event.target'])\n *   onClick(btn) {\n *     console.log('button', btn, 'number of clicks:', this.numberOfClicks++);\n *  }\n * }\n *\n * @Component({\n *   selector: 'app',\n *   template: '<button counting>Increment</button>',\n * })\n * class App {}\n *\n * ```\n *\n * The following example registers another DOM event handler that listens for key-press events.\n * ``` ts\n * import { HostListener, Component } from \"@angular/core\";\n *\n * @Component({\n *   selector: 'app',\n *   template: `<h1>Hello, you have pressed keys {{counter}} number of times!</h1> Press any key to\n * increment the counter.\n *   <button (click)=\"resetCounter()\">Reset Counter</button>`\n * })\n * class AppComponent {\n *   counter = 0;\n *   @HostListener('window:keydown', ['$event'])\n *   handleKeyDown(event: KeyboardEvent) {\n *     this.counter++;\n *   }\n *   resetCounter() {\n *     this.counter = 0;\n *   }\n * }\n * ```\n *\n * @Annotation\n * @publicApi\n */\nvar HostListener = makePropDecorator('HostListener', ɵ9);\nvar SWITCH_COMPILE_COMPONENT__POST_R3__ = compileComponent;\nvar SWITCH_COMPILE_DIRECTIVE__POST_R3__ = compileDirective;\nvar SWITCH_COMPILE_PIPE__POST_R3__ = compilePipe;\nvar SWITCH_COMPILE_COMPONENT__PRE_R3__ = noop;\nvar SWITCH_COMPILE_DIRECTIVE__PRE_R3__ = noop;\nvar SWITCH_COMPILE_PIPE__PRE_R3__ = noop;\nvar SWITCH_COMPILE_COMPONENT = SWITCH_COMPILE_COMPONENT__PRE_R3__;\nvar SWITCH_COMPILE_DIRECTIVE = SWITCH_COMPILE_DIRECTIVE__PRE_R3__;\nvar SWITCH_COMPILE_PIPE = SWITCH_COMPILE_PIPE__PRE_R3__;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ɵ0$f = function (ngModule) { return ngModule; }, ɵ1$4 = \n/**\n * Decorator that marks the following class as an NgModule, and supplies\n * configuration metadata for it.\n *\n * * The `declarations` and `entryComponents` options configure the compiler\n * with information about what belongs to the NgModule.\n * * The `providers` options configures the NgModule's injector to provide\n * dependencies the NgModule members.\n * * The `imports` and `exports` options bring in members from other modules, and make\n * this module's members available to others.\n */\nfunction (type, meta) { return SWITCH_COMPILE_NGMODULE(type, meta); };\n/**\n * @Annotation\n * @publicApi\n */\nvar NgModule = makeDecorator('NgModule', ɵ0$f, undefined, undefined, ɵ1$4);\nfunction preR3NgModuleCompile(moduleType, metadata) {\n    var imports = (metadata && metadata.imports) || [];\n    if (metadata && metadata.exports) {\n        imports = __spread(imports, [metadata.exports]);\n    }\n    moduleType.ɵinj = ɵɵdefineInjector({\n        factory: convertInjectableProviderToFactory(moduleType, { useClass: moduleType }),\n        providers: metadata && metadata.providers,\n        imports: imports,\n    });\n}\nvar SWITCH_COMPILE_NGMODULE__POST_R3__ = compileNgModule;\nvar SWITCH_COMPILE_NGMODULE__PRE_R3__ = preR3NgModuleCompile;\nvar SWITCH_COMPILE_NGMODULE = SWITCH_COMPILE_NGMODULE__PRE_R3__;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * An injection token that allows you to provide one or more initialization functions.\n * These function are injected at application startup and executed during\n * app initialization. If any of these functions returns a Promise, initialization\n * does not complete until the Promise is resolved.\n *\n * You can, for example, create a factory function that loads language data\n * or an external configuration, and provide that function to the `APP_INITIALIZER` token.\n * That way, the function is executed during the application bootstrap process,\n * and the needed data is available on startup.\n *\n * @publicApi\n */\nvar APP_INITIALIZER = new InjectionToken('Application Initializer');\n/**\n * A class that reflects the state of running {@link APP_INITIALIZER}s.\n *\n * @publicApi\n */\nvar ApplicationInitStatus = /** @class */ (function () {\n    function ApplicationInitStatus(appInits) {\n        var _this = this;\n        this.appInits = appInits;\n        this.initialized = false;\n        this.done = false;\n        this.donePromise = new Promise(function (res, rej) {\n            _this.resolve = res;\n            _this.reject = rej;\n        });\n    }\n    /** @internal */\n    ApplicationInitStatus.prototype.runInitializers = function () {\n        var _this = this;\n        if (this.initialized) {\n            return;\n        }\n        var asyncInitPromises = [];\n        var complete = function () {\n            _this.done = true;\n            _this.resolve();\n        };\n        if (this.appInits) {\n            for (var i = 0; i < this.appInits.length; i++) {\n                var initResult = this.appInits[i]();\n                if (isPromise(initResult)) {\n                    asyncInitPromises.push(initResult);\n                }\n            }\n        }\n        Promise.all(asyncInitPromises).then(function () { complete(); }).catch(function (e) { _this.reject(e); });\n        if (asyncInitPromises.length === 0) {\n            complete();\n        }\n        this.initialized = true;\n    };\n    ApplicationInitStatus = __decorate([\n        Injectable(),\n        __param(0, Inject(APP_INITIALIZER)), __param(0, Optional()),\n        __metadata(\"design:paramtypes\", [Array])\n    ], ApplicationInitStatus);\n    return ApplicationInitStatus;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A DI Token representing a unique string id assigned to the application by Angular and used\n * primarily for prefixing application attributes and CSS styles when\n * {@link ViewEncapsulation#Emulated ViewEncapsulation.Emulated} is being used.\n *\n * If you need to avoid randomly generated value to be used as an application id, you can provide\n * a custom value via a DI provider <!-- TODO: provider --> configuring the root {@link Injector}\n * using this token.\n * @publicApi\n */\nvar APP_ID = new InjectionToken('AppId');\nfunction _appIdRandomProviderFactory() {\n    return \"\" + _randomChar() + _randomChar() + _randomChar();\n}\n/**\n * Providers that will generate a random APP_ID_TOKEN.\n * @publicApi\n */\nvar APP_ID_RANDOM_PROVIDER = {\n    provide: APP_ID,\n    useFactory: _appIdRandomProviderFactory,\n    deps: [],\n};\nfunction _randomChar() {\n    return String.fromCharCode(97 + Math.floor(Math.random() * 25));\n}\n/**\n * A function that will be executed when a platform is initialized.\n * @publicApi\n */\nvar PLATFORM_INITIALIZER = new InjectionToken('Platform Initializer');\n/**\n * A token that indicates an opaque platform id.\n * @publicApi\n */\nvar PLATFORM_ID = new InjectionToken('Platform ID');\n/**\n * All callbacks provided via this token will be called for every component that is bootstrapped.\n * Signature of the callback:\n *\n * `(componentRef: ComponentRef) => void`.\n *\n * @publicApi\n */\nvar APP_BOOTSTRAP_LISTENER = new InjectionToken('appBootstrapListener');\n/**\n * A token which indicates the root directory of the application\n * @publicApi\n */\nvar PACKAGE_ROOT_URL = new InjectionToken('Application Packages Root URL');\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar Console = /** @class */ (function () {\n    function Console() {\n    }\n    Console.prototype.log = function (message) {\n        // tslint:disable-next-line:no-console\n        console.log(message);\n    };\n    // Note: for reporting errors use `DOM.logError()` as it is platform specific\n    Console.prototype.warn = function (message) {\n        // tslint:disable-next-line:no-console\n        console.warn(message);\n    };\n    Console = __decorate([\n        Injectable()\n    ], Console);\n    return Console;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Provide this token to set the locale of your application.\n * It is used for i18n extraction, by i18n pipes (DatePipe, I18nPluralPipe, CurrencyPipe,\n * DecimalPipe and PercentPipe) and by ICU expressions.\n *\n * See the [i18n guide](guide/i18n#setting-up-locale) for more information.\n *\n * @usageNotes\n * ### Example\n *\n * ```typescript\n * import { LOCALE_ID } from '@angular/core';\n * import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';\n * import { AppModule } from './app/app.module';\n *\n * platformBrowserDynamic().bootstrapModule(AppModule, {\n *   providers: [{provide: LOCALE_ID, useValue: 'en-US' }]\n * });\n * ```\n *\n * @publicApi\n */\nvar LOCALE_ID$1 = new InjectionToken('LocaleId');\n/**\n * Provide this token to set the default currency code your application uses for\n * CurrencyPipe when there is no currency code passed into it. This is only used by\n * CurrencyPipe and has no relation to locale currency. Defaults to USD if not configured.\n *\n * See the [i18n guide](guide/i18n#setting-up-locale) for more information.\n *\n * <div class=\"alert is-helpful\">\n *\n * **Deprecation notice:**\n *\n * The default currency code is currently always `USD` but this is deprecated from v9.\n *\n * **In v10 the default currency code will be taken from the current locale.**\n *\n * If you need the previous behavior then set it by creating a `DEFAULT_CURRENCY_CODE` provider in\n * your application `NgModule`:\n *\n * ```ts\n * {provide: DEFAULT_CURRENCY_CODE, useValue: 'USD'}\n * ```\n *\n * </div>\n *\n * @usageNotes\n * ### Example\n *\n * ```typescript\n * import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';\n * import { AppModule } from './app/app.module';\n *\n * platformBrowserDynamic().bootstrapModule(AppModule, {\n *   providers: [{provide: DEFAULT_CURRENCY_CODE, useValue: 'EUR' }]\n * });\n * ```\n *\n * @publicApi\n */\nvar DEFAULT_CURRENCY_CODE = new InjectionToken('DefaultCurrencyCode');\n/**\n * Use this token at bootstrap to provide the content of your translation file (`xtb`,\n * `xlf` or `xlf2`) when you want to translate your application in another language.\n *\n * See the [i18n guide](guide/i18n#merge) for more information.\n *\n * @usageNotes\n * ### Example\n *\n * ```typescript\n * import { TRANSLATIONS } from '@angular/core';\n * import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';\n * import { AppModule } from './app/app.module';\n *\n * // content of your translation file\n * const translations = '....';\n *\n * platformBrowserDynamic().bootstrapModule(AppModule, {\n *   providers: [{provide: TRANSLATIONS, useValue: translations }]\n * });\n * ```\n *\n * @publicApi\n */\nvar TRANSLATIONS = new InjectionToken('Translations');\n/**\n * Provide this token at bootstrap to set the format of your {@link TRANSLATIONS}: `xtb`,\n * `xlf` or `xlf2`.\n *\n * See the [i18n guide](guide/i18n#merge) for more information.\n *\n * @usageNotes\n * ### Example\n *\n * ```typescript\n * import { TRANSLATIONS_FORMAT } from '@angular/core';\n * import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';\n * import { AppModule } from './app/app.module';\n *\n * platformBrowserDynamic().bootstrapModule(AppModule, {\n *   providers: [{provide: TRANSLATIONS_FORMAT, useValue: 'xlf' }]\n * });\n * ```\n *\n * @publicApi\n */\nvar TRANSLATIONS_FORMAT = new InjectionToken('TranslationsFormat');\n/**\n * Use this enum at bootstrap as an option of `bootstrapModule` to define the strategy\n * that the compiler should use in case of missing translations:\n * - Error: throw if you have missing translations.\n * - Warning (default): show a warning in the console and/or shell.\n * - Ignore: do nothing.\n *\n * See the [i18n guide](guide/i18n#missing-translation) for more information.\n *\n * @usageNotes\n * ### Example\n * ```typescript\n * import { MissingTranslationStrategy } from '@angular/core';\n * import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';\n * import { AppModule } from './app/app.module';\n *\n * platformBrowserDynamic().bootstrapModule(AppModule, {\n *   missingTranslation: MissingTranslationStrategy.Error\n * });\n * ```\n *\n * @publicApi\n */\nvar MissingTranslationStrategy;\n(function (MissingTranslationStrategy) {\n    MissingTranslationStrategy[MissingTranslationStrategy[\"Error\"] = 0] = \"Error\";\n    MissingTranslationStrategy[MissingTranslationStrategy[\"Warning\"] = 1] = \"Warning\";\n    MissingTranslationStrategy[MissingTranslationStrategy[\"Ignore\"] = 2] = \"Ignore\";\n})(MissingTranslationStrategy || (MissingTranslationStrategy = {}));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar SWITCH_IVY_ENABLED__POST_R3__ = true;\nvar SWITCH_IVY_ENABLED__PRE_R3__ = false;\nvar ivyEnabled = SWITCH_IVY_ENABLED__PRE_R3__;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Combination of NgModuleFactory and ComponentFactorys.\n *\n * @publicApi\n */\nvar ModuleWithComponentFactories = /** @class */ (function () {\n    function ModuleWithComponentFactories(ngModuleFactory, componentFactories) {\n        this.ngModuleFactory = ngModuleFactory;\n        this.componentFactories = componentFactories;\n    }\n    return ModuleWithComponentFactories;\n}());\nfunction _throwError() {\n    throw new Error(\"Runtime compiler is not loaded\");\n}\nvar Compiler_compileModuleSync__PRE_R3__ = _throwError;\nvar Compiler_compileModuleSync__POST_R3__ = function (moduleType) {\n    return new NgModuleFactory$1(moduleType);\n};\nvar Compiler_compileModuleSync = Compiler_compileModuleSync__PRE_R3__;\nvar Compiler_compileModuleAsync__PRE_R3__ = _throwError;\nvar Compiler_compileModuleAsync__POST_R3__ = function (moduleType) {\n    return Promise.resolve(Compiler_compileModuleSync__POST_R3__(moduleType));\n};\nvar Compiler_compileModuleAsync = Compiler_compileModuleAsync__PRE_R3__;\nvar Compiler_compileModuleAndAllComponentsSync__PRE_R3__ = _throwError;\nvar Compiler_compileModuleAndAllComponentsSync__POST_R3__ = function (moduleType) {\n    var ngModuleFactory = Compiler_compileModuleSync__POST_R3__(moduleType);\n    var moduleDef = getNgModuleDef(moduleType);\n    var componentFactories = maybeUnwrapFn(moduleDef.declarations)\n        .reduce(function (factories, declaration) {\n        var componentDef = getComponentDef(declaration);\n        componentDef && factories.push(new ComponentFactory$1(componentDef));\n        return factories;\n    }, []);\n    return new ModuleWithComponentFactories(ngModuleFactory, componentFactories);\n};\nvar Compiler_compileModuleAndAllComponentsSync = Compiler_compileModuleAndAllComponentsSync__PRE_R3__;\nvar Compiler_compileModuleAndAllComponentsAsync__PRE_R3__ = _throwError;\nvar Compiler_compileModuleAndAllComponentsAsync__POST_R3__ = function (moduleType) {\n    return Promise.resolve(Compiler_compileModuleAndAllComponentsSync__POST_R3__(moduleType));\n};\nvar Compiler_compileModuleAndAllComponentsAsync = Compiler_compileModuleAndAllComponentsAsync__PRE_R3__;\n/**\n * Low-level service for running the angular compiler during runtime\n * to create {@link ComponentFactory}s, which\n * can later be used to create and render a Component instance.\n *\n * Each `@NgModule` provides an own `Compiler` to its injector,\n * that will use the directives/pipes of the ng module for compilation\n * of components.\n *\n * @publicApi\n */\nvar Compiler = /** @class */ (function () {\n    function Compiler() {\n        /**\n         * Compiles the given NgModule and all of its components. All templates of the components listed\n         * in `entryComponents` have to be inlined.\n         */\n        this.compileModuleSync = Compiler_compileModuleSync;\n        /**\n         * Compiles the given NgModule and all of its components\n         */\n        this.compileModuleAsync = Compiler_compileModuleAsync;\n        /**\n         * Same as {@link #compileModuleSync} but also creates ComponentFactories for all components.\n         */\n        this.compileModuleAndAllComponentsSync = Compiler_compileModuleAndAllComponentsSync;\n        /**\n         * Same as {@link #compileModuleAsync} but also creates ComponentFactories for all components.\n         */\n        this.compileModuleAndAllComponentsAsync = Compiler_compileModuleAndAllComponentsAsync;\n    }\n    /**\n     * Clears all caches.\n     */\n    Compiler.prototype.clearCache = function () { };\n    /**\n     * Clears the cache for the given component/ngModule.\n     */\n    Compiler.prototype.clearCacheFor = function (type) { };\n    /**\n     * Returns the id for a given NgModule, if one is defined and known to the compiler.\n     */\n    Compiler.prototype.getModuleId = function (moduleType) { return undefined; };\n    Compiler = __decorate([\n        Injectable()\n    ], Compiler);\n    return Compiler;\n}());\n/**\n * Token to provide CompilerOptions in the platform injector.\n *\n * @publicApi\n */\nvar COMPILER_OPTIONS = new InjectionToken('compilerOptions');\n/**\n * A factory for creating a Compiler\n *\n * @publicApi\n */\nvar CompilerFactory = /** @class */ (function () {\n    function CompilerFactory() {\n    }\n    return CompilerFactory;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar promise = (function () { return Promise.resolve(0); })();\nfunction scheduleMicroTask(fn) {\n    if (typeof Zone === 'undefined') {\n        // use promise to schedule microTask instead of use Zone\n        promise.then(function () { fn && fn.apply(null, null); });\n    }\n    else {\n        Zone.current.scheduleMicroTask('scheduleMicrotask', fn);\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction getNativeRequestAnimationFrame() {\n    var nativeRequestAnimationFrame = _global['requestAnimationFrame'];\n    var nativeCancelAnimationFrame = _global['cancelAnimationFrame'];\n    if (typeof Zone !== 'undefined' && nativeRequestAnimationFrame && nativeCancelAnimationFrame) {\n        // use unpatched version of requestAnimationFrame(native delegate) if possible\n        // to avoid another Change detection\n        var unpatchedRequestAnimationFrame = nativeRequestAnimationFrame[Zone.__symbol__('OriginalDelegate')];\n        if (unpatchedRequestAnimationFrame) {\n            nativeRequestAnimationFrame = unpatchedRequestAnimationFrame;\n        }\n        var unpatchedCancelAnimationFrame = nativeCancelAnimationFrame[Zone.__symbol__('OriginalDelegate')];\n        if (unpatchedCancelAnimationFrame) {\n            nativeCancelAnimationFrame = unpatchedCancelAnimationFrame;\n        }\n    }\n    return { nativeRequestAnimationFrame: nativeRequestAnimationFrame, nativeCancelAnimationFrame: nativeCancelAnimationFrame };\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * An injectable service for executing work inside or outside of the Angular zone.\n *\n * The most common use of this service is to optimize performance when starting a work consisting of\n * one or more asynchronous tasks that don't require UI updates or error handling to be handled by\n * Angular. Such tasks can be kicked off via {@link #runOutsideAngular} and if needed, these tasks\n * can reenter the Angular zone via {@link #run}.\n *\n * <!-- TODO: add/fix links to:\n *   - docs explaining zones and the use of zones in Angular and change-detection\n *   - link to runOutsideAngular/run (throughout this file!)\n *   -->\n *\n * @usageNotes\n * ### Example\n *\n * ```\n * import {Component, NgZone} from '@angular/core';\n * import {NgIf} from '@angular/common';\n *\n * @Component({\n *   selector: 'ng-zone-demo',\n *   template: `\n *     <h2>Demo: NgZone</h2>\n *\n *     <p>Progress: {{progress}}%</p>\n *     <p *ngIf=\"progress >= 100\">Done processing {{label}} of Angular zone!</p>\n *\n *     <button (click)=\"processWithinAngularZone()\">Process within Angular zone</button>\n *     <button (click)=\"processOutsideOfAngularZone()\">Process outside of Angular zone</button>\n *   `,\n * })\n * export class NgZoneDemo {\n *   progress: number = 0;\n *   label: string;\n *\n *   constructor(private _ngZone: NgZone) {}\n *\n *   // Loop inside the Angular zone\n *   // so the UI DOES refresh after each setTimeout cycle\n *   processWithinAngularZone() {\n *     this.label = 'inside';\n *     this.progress = 0;\n *     this._increaseProgress(() => console.log('Inside Done!'));\n *   }\n *\n *   // Loop outside of the Angular zone\n *   // so the UI DOES NOT refresh after each setTimeout cycle\n *   processOutsideOfAngularZone() {\n *     this.label = 'outside';\n *     this.progress = 0;\n *     this._ngZone.runOutsideAngular(() => {\n *       this._increaseProgress(() => {\n *         // reenter the Angular zone and display done\n *         this._ngZone.run(() => { console.log('Outside Done!'); });\n *       });\n *     });\n *   }\n *\n *   _increaseProgress(doneCallback: () => void) {\n *     this.progress += 1;\n *     console.log(`Current progress: ${this.progress}%`);\n *\n *     if (this.progress < 100) {\n *       window.setTimeout(() => this._increaseProgress(doneCallback), 10);\n *     } else {\n *       doneCallback();\n *     }\n *   }\n * }\n * ```\n *\n * @publicApi\n */\nvar NgZone = /** @class */ (function () {\n    function NgZone(_a) {\n        var _b = _a.enableLongStackTrace, enableLongStackTrace = _b === void 0 ? false : _b, _c = _a.shouldCoalesceEventChangeDetection, shouldCoalesceEventChangeDetection = _c === void 0 ? false : _c;\n        this.hasPendingMacrotasks = false;\n        this.hasPendingMicrotasks = false;\n        /**\n         * Whether there are no outstanding microtasks or macrotasks.\n         */\n        this.isStable = true;\n        /**\n         * Notifies when code enters Angular Zone. This gets fired first on VM Turn.\n         */\n        this.onUnstable = new EventEmitter(false);\n        /**\n         * Notifies when there is no more microtasks enqueued in the current VM Turn.\n         * This is a hint for Angular to do change detection, which may enqueue more microtasks.\n         * For this reason this event can fire multiple times per VM Turn.\n         */\n        this.onMicrotaskEmpty = new EventEmitter(false);\n        /**\n         * Notifies when the last `onMicrotaskEmpty` has run and there are no more microtasks, which\n         * implies we are about to relinquish VM turn.\n         * This event gets called just once.\n         */\n        this.onStable = new EventEmitter(false);\n        /**\n         * Notifies that an error has been delivered.\n         */\n        this.onError = new EventEmitter(false);\n        if (typeof Zone == 'undefined') {\n            throw new Error(\"In this configuration Angular requires Zone.js\");\n        }\n        Zone.assertZonePatched();\n        var self = this;\n        self._nesting = 0;\n        self._outer = self._inner = Zone.current;\n        if (Zone['wtfZoneSpec']) {\n            self._inner = self._inner.fork(Zone['wtfZoneSpec']);\n        }\n        if (Zone['TaskTrackingZoneSpec']) {\n            self._inner = self._inner.fork(new Zone['TaskTrackingZoneSpec']);\n        }\n        if (enableLongStackTrace && Zone['longStackTraceZoneSpec']) {\n            self._inner = self._inner.fork(Zone['longStackTraceZoneSpec']);\n        }\n        self.shouldCoalesceEventChangeDetection = shouldCoalesceEventChangeDetection;\n        self.lastRequestAnimationFrameId = -1;\n        self.nativeRequestAnimationFrame = getNativeRequestAnimationFrame().nativeRequestAnimationFrame;\n        forkInnerZoneWithAngularBehavior(self);\n    }\n    NgZone.isInAngularZone = function () { return Zone.current.get('isAngularZone') === true; };\n    NgZone.assertInAngularZone = function () {\n        if (!NgZone.isInAngularZone()) {\n            throw new Error('Expected to be in Angular Zone, but it is not!');\n        }\n    };\n    NgZone.assertNotInAngularZone = function () {\n        if (NgZone.isInAngularZone()) {\n            throw new Error('Expected to not be in Angular Zone, but it is!');\n        }\n    };\n    /**\n     * Executes the `fn` function synchronously within the Angular zone and returns value returned by\n     * the function.\n     *\n     * Running functions via `run` allows you to reenter Angular zone from a task that was executed\n     * outside of the Angular zone (typically started via {@link #runOutsideAngular}).\n     *\n     * Any future tasks or microtasks scheduled from within this function will continue executing from\n     * within the Angular zone.\n     *\n     * If a synchronous error happens it will be rethrown and not reported via `onError`.\n     */\n    NgZone.prototype.run = function (fn, applyThis, applyArgs) {\n        return this._inner.run(fn, applyThis, applyArgs);\n    };\n    /**\n     * Executes the `fn` function synchronously within the Angular zone as a task and returns value\n     * returned by the function.\n     *\n     * Running functions via `run` allows you to reenter Angular zone from a task that was executed\n     * outside of the Angular zone (typically started via {@link #runOutsideAngular}).\n     *\n     * Any future tasks or microtasks scheduled from within this function will continue executing from\n     * within the Angular zone.\n     *\n     * If a synchronous error happens it will be rethrown and not reported via `onError`.\n     */\n    NgZone.prototype.runTask = function (fn, applyThis, applyArgs, name) {\n        var zone = this._inner;\n        var task = zone.scheduleEventTask('NgZoneEvent: ' + name, fn, EMPTY_PAYLOAD, noop$1, noop$1);\n        try {\n            return zone.runTask(task, applyThis, applyArgs);\n        }\n        finally {\n            zone.cancelTask(task);\n        }\n    };\n    /**\n     * Same as `run`, except that synchronous errors are caught and forwarded via `onError` and not\n     * rethrown.\n     */\n    NgZone.prototype.runGuarded = function (fn, applyThis, applyArgs) {\n        return this._inner.runGuarded(fn, applyThis, applyArgs);\n    };\n    /**\n     * Executes the `fn` function synchronously in Angular's parent zone and returns value returned by\n     * the function.\n     *\n     * Running functions via {@link #runOutsideAngular} allows you to escape Angular's zone and do\n     * work that\n     * doesn't trigger Angular change-detection or is subject to Angular's error handling.\n     *\n     * Any future tasks or microtasks scheduled from within this function will continue executing from\n     * outside of the Angular zone.\n     *\n     * Use {@link #run} to reenter the Angular zone and do work that updates the application model.\n     */\n    NgZone.prototype.runOutsideAngular = function (fn) {\n        return this._outer.run(fn);\n    };\n    return NgZone;\n}());\nfunction noop$1() { }\nvar EMPTY_PAYLOAD = {};\nfunction checkStable(zone) {\n    if (zone._nesting == 0 && !zone.hasPendingMicrotasks && !zone.isStable) {\n        try {\n            zone._nesting++;\n            zone.onMicrotaskEmpty.emit(null);\n        }\n        finally {\n            zone._nesting--;\n            if (!zone.hasPendingMicrotasks) {\n                try {\n                    zone.runOutsideAngular(function () { return zone.onStable.emit(null); });\n                }\n                finally {\n                    zone.isStable = true;\n                }\n            }\n        }\n    }\n}\nfunction delayChangeDetectionForEvents(zone) {\n    if (zone.lastRequestAnimationFrameId !== -1) {\n        return;\n    }\n    zone.lastRequestAnimationFrameId = zone.nativeRequestAnimationFrame.call(_global, function () {\n        zone.lastRequestAnimationFrameId = -1;\n        updateMicroTaskStatus(zone);\n        checkStable(zone);\n    });\n    updateMicroTaskStatus(zone);\n}\nfunction forkInnerZoneWithAngularBehavior(zone) {\n    var delayChangeDetectionForEventsDelegate = function () { delayChangeDetectionForEvents(zone); };\n    var maybeDelayChangeDetection = !!zone.shouldCoalesceEventChangeDetection &&\n        zone.nativeRequestAnimationFrame && delayChangeDetectionForEventsDelegate;\n    zone._inner = zone._inner.fork({\n        name: 'angular',\n        properties: { 'isAngularZone': true, 'maybeDelayChangeDetection': maybeDelayChangeDetection },\n        onInvokeTask: function (delegate, current, target, task, applyThis, applyArgs) {\n            try {\n                onEnter(zone);\n                return delegate.invokeTask(target, task, applyThis, applyArgs);\n            }\n            finally {\n                if (maybeDelayChangeDetection && task.type === 'eventTask') {\n                    maybeDelayChangeDetection();\n                }\n                onLeave(zone);\n            }\n        },\n        onInvoke: function (delegate, current, target, callback, applyThis, applyArgs, source) {\n            try {\n                onEnter(zone);\n                return delegate.invoke(target, callback, applyThis, applyArgs, source);\n            }\n            finally {\n                onLeave(zone);\n            }\n        },\n        onHasTask: function (delegate, current, target, hasTaskState) {\n            delegate.hasTask(target, hasTaskState);\n            if (current === target) {\n                // We are only interested in hasTask events which originate from our zone\n                // (A child hasTask event is not interesting to us)\n                if (hasTaskState.change == 'microTask') {\n                    zone._hasPendingMicrotasks = hasTaskState.microTask;\n                    updateMicroTaskStatus(zone);\n                    checkStable(zone);\n                }\n                else if (hasTaskState.change == 'macroTask') {\n                    zone.hasPendingMacrotasks = hasTaskState.macroTask;\n                }\n            }\n        },\n        onHandleError: function (delegate, current, target, error) {\n            delegate.handleError(target, error);\n            zone.runOutsideAngular(function () { return zone.onError.emit(error); });\n            return false;\n        }\n    });\n}\nfunction updateMicroTaskStatus(zone) {\n    if (zone._hasPendingMicrotasks ||\n        (zone.shouldCoalesceEventChangeDetection && zone.lastRequestAnimationFrameId !== -1)) {\n        zone.hasPendingMicrotasks = true;\n    }\n    else {\n        zone.hasPendingMicrotasks = false;\n    }\n}\nfunction onEnter(zone) {\n    zone._nesting++;\n    if (zone.isStable) {\n        zone.isStable = false;\n        zone.onUnstable.emit(null);\n    }\n}\nfunction onLeave(zone) {\n    zone._nesting--;\n    checkStable(zone);\n}\n/**\n * Provides a noop implementation of `NgZone` which does nothing. This zone requires explicit calls\n * to framework to perform rendering.\n */\nvar NoopNgZone = /** @class */ (function () {\n    function NoopNgZone() {\n        this.hasPendingMicrotasks = false;\n        this.hasPendingMacrotasks = false;\n        this.isStable = true;\n        this.onUnstable = new EventEmitter();\n        this.onMicrotaskEmpty = new EventEmitter();\n        this.onStable = new EventEmitter();\n        this.onError = new EventEmitter();\n    }\n    NoopNgZone.prototype.run = function (fn, applyThis, applyArgs) {\n        return fn.apply(applyThis, applyArgs);\n    };\n    NoopNgZone.prototype.runGuarded = function (fn, applyThis, applyArgs) {\n        return fn.apply(applyThis, applyArgs);\n    };\n    NoopNgZone.prototype.runOutsideAngular = function (fn) { return fn(); };\n    NoopNgZone.prototype.runTask = function (fn, applyThis, applyArgs, name) {\n        return fn.apply(applyThis, applyArgs);\n    };\n    return NoopNgZone;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * The Testability service provides testing hooks that can be accessed from\n * the browser and by services such as Protractor. Each bootstrapped Angular\n * application on the page will have an instance of Testability.\n * @publicApi\n */\nvar Testability = /** @class */ (function () {\n    function Testability(_ngZone) {\n        var _this = this;\n        this._ngZone = _ngZone;\n        this._pendingCount = 0;\n        this._isZoneStable = true;\n        /**\n         * Whether any work was done since the last 'whenStable' callback. This is\n         * useful to detect if this could have potentially destabilized another\n         * component while it is stabilizing.\n         * @internal\n         */\n        this._didWork = false;\n        this._callbacks = [];\n        this.taskTrackingZone = null;\n        this._watchAngularEvents();\n        _ngZone.run(function () {\n            _this.taskTrackingZone =\n                typeof Zone == 'undefined' ? null : Zone.current.get('TaskTrackingZone');\n        });\n    }\n    Testability.prototype._watchAngularEvents = function () {\n        var _this = this;\n        this._ngZone.onUnstable.subscribe({\n            next: function () {\n                _this._didWork = true;\n                _this._isZoneStable = false;\n            }\n        });\n        this._ngZone.runOutsideAngular(function () {\n            _this._ngZone.onStable.subscribe({\n                next: function () {\n                    NgZone.assertNotInAngularZone();\n                    scheduleMicroTask(function () {\n                        _this._isZoneStable = true;\n                        _this._runCallbacksIfReady();\n                    });\n                }\n            });\n        });\n    };\n    /**\n     * Increases the number of pending request\n     * @deprecated pending requests are now tracked with zones.\n     */\n    Testability.prototype.increasePendingRequestCount = function () {\n        this._pendingCount += 1;\n        this._didWork = true;\n        return this._pendingCount;\n    };\n    /**\n     * Decreases the number of pending request\n     * @deprecated pending requests are now tracked with zones\n     */\n    Testability.prototype.decreasePendingRequestCount = function () {\n        this._pendingCount -= 1;\n        if (this._pendingCount < 0) {\n            throw new Error('pending async requests below zero');\n        }\n        this._runCallbacksIfReady();\n        return this._pendingCount;\n    };\n    /**\n     * Whether an associated application is stable\n     */\n    Testability.prototype.isStable = function () {\n        return this._isZoneStable && this._pendingCount === 0 && !this._ngZone.hasPendingMacrotasks;\n    };\n    Testability.prototype._runCallbacksIfReady = function () {\n        var _this = this;\n        if (this.isStable()) {\n            // Schedules the call backs in a new frame so that it is always async.\n            scheduleMicroTask(function () {\n                while (_this._callbacks.length !== 0) {\n                    var cb = _this._callbacks.pop();\n                    clearTimeout(cb.timeoutId);\n                    cb.doneCb(_this._didWork);\n                }\n                _this._didWork = false;\n            });\n        }\n        else {\n            // Still not stable, send updates.\n            var pending_1 = this.getPendingTasks();\n            this._callbacks = this._callbacks.filter(function (cb) {\n                if (cb.updateCb && cb.updateCb(pending_1)) {\n                    clearTimeout(cb.timeoutId);\n                    return false;\n                }\n                return true;\n            });\n            this._didWork = true;\n        }\n    };\n    Testability.prototype.getPendingTasks = function () {\n        if (!this.taskTrackingZone) {\n            return [];\n        }\n        // Copy the tasks data so that we don't leak tasks.\n        return this.taskTrackingZone.macroTasks.map(function (t) {\n            return {\n                source: t.source,\n                // From TaskTrackingZone:\n                // https://github.com/angular/zone.js/blob/master/lib/zone-spec/task-tracking.ts#L40\n                creationLocation: t.creationLocation,\n                data: t.data\n            };\n        });\n    };\n    Testability.prototype.addCallback = function (cb, timeout, updateCb) {\n        var _this = this;\n        var timeoutId = -1;\n        if (timeout && timeout > 0) {\n            timeoutId = setTimeout(function () {\n                _this._callbacks = _this._callbacks.filter(function (cb) { return cb.timeoutId !== timeoutId; });\n                cb(_this._didWork, _this.getPendingTasks());\n            }, timeout);\n        }\n        this._callbacks.push({ doneCb: cb, timeoutId: timeoutId, updateCb: updateCb });\n    };\n    /**\n     * Wait for the application to be stable with a timeout. If the timeout is reached before that\n     * happens, the callback receives a list of the macro tasks that were pending, otherwise null.\n     *\n     * @param doneCb The callback to invoke when Angular is stable or the timeout expires\n     *    whichever comes first.\n     * @param timeout Optional. The maximum time to wait for Angular to become stable. If not\n     *    specified, whenStable() will wait forever.\n     * @param updateCb Optional. If specified, this callback will be invoked whenever the set of\n     *    pending macrotasks changes. If this callback returns true doneCb will not be invoked\n     *    and no further updates will be issued.\n     */\n    Testability.prototype.whenStable = function (doneCb, timeout, updateCb) {\n        if (updateCb && !this.taskTrackingZone) {\n            throw new Error('Task tracking zone is required when passing an update callback to ' +\n                'whenStable(). Is \"zone.js/dist/task-tracking.js\" loaded?');\n        }\n        // These arguments are 'Function' above to keep the public API simple.\n        this.addCallback(doneCb, timeout, updateCb);\n        this._runCallbacksIfReady();\n    };\n    /**\n     * Get the number of pending requests\n     * @deprecated pending requests are now tracked with zones\n     */\n    Testability.prototype.getPendingRequestCount = function () { return this._pendingCount; };\n    /**\n     * Find providers by name\n     * @param using The root element to search from\n     * @param provider The name of binding variable\n     * @param exactMatch Whether using exactMatch\n     */\n    Testability.prototype.findProviders = function (using, provider, exactMatch) {\n        // TODO(juliemr): implement.\n        return [];\n    };\n    Testability = __decorate([\n        Injectable(),\n        __metadata(\"design:paramtypes\", [NgZone])\n    ], Testability);\n    return Testability;\n}());\n/**\n * A global registry of {@link Testability} instances for specific elements.\n * @publicApi\n */\nvar TestabilityRegistry = /** @class */ (function () {\n    function TestabilityRegistry() {\n        /** @internal */\n        this._applications = new Map();\n        _testabilityGetter.addToWindow(this);\n    }\n    /**\n     * Registers an application with a testability hook so that it can be tracked\n     * @param token token of application, root element\n     * @param testability Testability hook\n     */\n    TestabilityRegistry.prototype.registerApplication = function (token, testability) {\n        this._applications.set(token, testability);\n    };\n    /**\n     * Unregisters an application.\n     * @param token token of application, root element\n     */\n    TestabilityRegistry.prototype.unregisterApplication = function (token) { this._applications.delete(token); };\n    /**\n     * Unregisters all applications\n     */\n    TestabilityRegistry.prototype.unregisterAllApplications = function () { this._applications.clear(); };\n    /**\n     * Get a testability hook associated with the application\n     * @param elem root element\n     */\n    TestabilityRegistry.prototype.getTestability = function (elem) { return this._applications.get(elem) || null; };\n    /**\n     * Get all registered testabilities\n     */\n    TestabilityRegistry.prototype.getAllTestabilities = function () { return Array.from(this._applications.values()); };\n    /**\n     * Get all registered applications(root elements)\n     */\n    TestabilityRegistry.prototype.getAllRootElements = function () { return Array.from(this._applications.keys()); };\n    /**\n     * Find testability of a node in the Tree\n     * @param elem node\n     * @param findInAncestors whether finding testability in ancestors if testability was not found in\n     * current node\n     */\n    TestabilityRegistry.prototype.findTestabilityInTree = function (elem, findInAncestors) {\n        if (findInAncestors === void 0) { findInAncestors = true; }\n        return _testabilityGetter.findTestabilityInTree(this, elem, findInAncestors);\n    };\n    TestabilityRegistry = __decorate([\n        Injectable(),\n        __metadata(\"design:paramtypes\", [])\n    ], TestabilityRegistry);\n    return TestabilityRegistry;\n}());\nvar _NoopGetTestability = /** @class */ (function () {\n    function _NoopGetTestability() {\n    }\n    _NoopGetTestability.prototype.addToWindow = function (registry) { };\n    _NoopGetTestability.prototype.findTestabilityInTree = function (registry, elem, findInAncestors) {\n        return null;\n    };\n    return _NoopGetTestability;\n}());\n/**\n * Set the {@link GetTestability} implementation used by the Angular testing framework.\n * @publicApi\n */\nfunction setTestabilityGetter(getter) {\n    _testabilityGetter = getter;\n}\nvar _testabilityGetter = new _NoopGetTestability();\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar _platform;\nvar compileNgModuleFactory = compileNgModuleFactory__PRE_R3__;\nfunction compileNgModuleFactory__PRE_R3__(injector, options, moduleType) {\n    var compilerFactory = injector.get(CompilerFactory);\n    var compiler = compilerFactory.createCompiler([options]);\n    return compiler.compileModuleAsync(moduleType);\n}\nfunction compileNgModuleFactory__POST_R3__(injector, options, moduleType) {\n    ngDevMode && assertNgModuleType(moduleType);\n    var moduleFactory = new NgModuleFactory$1(moduleType);\n    if (isComponentResourceResolutionQueueEmpty()) {\n        return Promise.resolve(moduleFactory);\n    }\n    var compilerOptions = injector.get(COMPILER_OPTIONS, []).concat(options);\n    var compilerProviders = _mergeArrays(compilerOptions.map(function (o) { return o.providers; }));\n    // In case there are no compiler providers, we just return the module factory as\n    // there won't be any resource loader. This can happen with Ivy, because AOT compiled\n    // modules can be still passed through \"bootstrapModule\". In that case we shouldn't\n    // unnecessarily require the JIT compiler.\n    if (compilerProviders.length === 0) {\n        return Promise.resolve(moduleFactory);\n    }\n    var compiler = getCompilerFacade();\n    var compilerInjector = Injector.create({ providers: compilerProviders });\n    var resourceLoader = compilerInjector.get(compiler.ResourceLoader);\n    // The resource loader can also return a string while the \"resolveComponentResources\"\n    // always expects a promise. Therefore we need to wrap the returned value in a promise.\n    return resolveComponentResources(function (url) { return Promise.resolve(resourceLoader.get(url)); })\n        .then(function () { return moduleFactory; });\n}\n// the `window.ng` global utilities are only available in non-VE versions of\n// Angular. The function switch below will make sure that the code is not\n// included into Angular when PRE mode is active.\nfunction publishDefaultGlobalUtils__PRE_R3__() { }\nfunction publishDefaultGlobalUtils__POST_R3__() {\n    ngDevMode && publishDefaultGlobalUtils();\n}\nvar publishDefaultGlobalUtils$1 = publishDefaultGlobalUtils__PRE_R3__;\nvar isBoundToModule = isBoundToModule__PRE_R3__;\nfunction isBoundToModule__PRE_R3__(cf) {\n    return cf instanceof ComponentFactoryBoundToModule;\n}\nfunction isBoundToModule__POST_R3__(cf) {\n    return cf.isBoundToModule;\n}\nvar ALLOW_MULTIPLE_PLATFORMS = new InjectionToken('AllowMultipleToken');\n/**\n * A token for third-party components that can register themselves with NgProbe.\n *\n * @publicApi\n */\nvar NgProbeToken = /** @class */ (function () {\n    function NgProbeToken(name, token) {\n        this.name = name;\n        this.token = token;\n    }\n    return NgProbeToken;\n}());\n/**\n * Creates a platform.\n * Platforms have to be eagerly created via this function.\n *\n * @publicApi\n */\nfunction createPlatform(injector) {\n    if (_platform && !_platform.destroyed &&\n        !_platform.injector.get(ALLOW_MULTIPLE_PLATFORMS, false)) {\n        throw new Error('There can be only one platform. Destroy the previous one to create a new one.');\n    }\n    publishDefaultGlobalUtils$1();\n    _platform = injector.get(PlatformRef);\n    var inits = injector.get(PLATFORM_INITIALIZER, null);\n    if (inits)\n        inits.forEach(function (init) { return init(); });\n    return _platform;\n}\n/**\n * Creates a factory for a platform\n *\n * @publicApi\n */\nfunction createPlatformFactory(parentPlatformFactory, name, providers) {\n    if (providers === void 0) { providers = []; }\n    var desc = \"Platform: \" + name;\n    var marker = new InjectionToken(desc);\n    return function (extraProviders) {\n        if (extraProviders === void 0) { extraProviders = []; }\n        var platform = getPlatform();\n        if (!platform || platform.injector.get(ALLOW_MULTIPLE_PLATFORMS, false)) {\n            if (parentPlatformFactory) {\n                parentPlatformFactory(providers.concat(extraProviders).concat({ provide: marker, useValue: true }));\n            }\n            else {\n                var injectedProviders = providers.concat(extraProviders).concat({ provide: marker, useValue: true }, {\n                    provide: INJECTOR_SCOPE,\n                    useValue: 'platform'\n                });\n                createPlatform(Injector.create({ providers: injectedProviders, name: desc }));\n            }\n        }\n        return assertPlatform(marker);\n    };\n}\n/**\n * Checks that there currently is a platform which contains the given token as a provider.\n *\n * @publicApi\n */\nfunction assertPlatform(requiredToken) {\n    var platform = getPlatform();\n    if (!platform) {\n        throw new Error('No platform exists!');\n    }\n    if (!platform.injector.get(requiredToken, null)) {\n        throw new Error('A platform with a different configuration has been created. Please destroy it first.');\n    }\n    return platform;\n}\n/**\n * Destroy the existing platform.\n *\n * @publicApi\n */\nfunction destroyPlatform() {\n    if (_platform && !_platform.destroyed) {\n        _platform.destroy();\n    }\n}\n/**\n * Returns the current platform.\n *\n * @publicApi\n */\nfunction getPlatform() {\n    return _platform && !_platform.destroyed ? _platform : null;\n}\n/**\n * The Angular platform is the entry point for Angular on a web page. Each page\n * has exactly one platform, and services (such as reflection) which are common\n * to every Angular application running on the page are bound in its scope.\n *\n * A page's platform is initialized implicitly when a platform is created via a platform factory\n * (e.g. {@link platformBrowser}), or explicitly by calling the {@link createPlatform} function.\n *\n * @publicApi\n */\nvar PlatformRef = /** @class */ (function () {\n    /** @internal */\n    function PlatformRef(_injector) {\n        this._injector = _injector;\n        this._modules = [];\n        this._destroyListeners = [];\n        this._destroyed = false;\n    }\n    /**\n     * Creates an instance of an `@NgModule` for the given platform\n     * for offline compilation.\n     *\n     * @usageNotes\n     * ### Simple Example\n     *\n     * ```typescript\n     * my_module.ts:\n     *\n     * @NgModule({\n     *   imports: [BrowserModule]\n     * })\n     * class MyModule {}\n     *\n     * main.ts:\n     * import {MyModuleNgFactory} from './my_module.ngfactory';\n     * import {platformBrowser} from '@angular/platform-browser';\n     *\n     * let moduleRef = platformBrowser().bootstrapModuleFactory(MyModuleNgFactory);\n     * ```\n     */\n    PlatformRef.prototype.bootstrapModuleFactory = function (moduleFactory, options) {\n        var _this = this;\n        // Note: We need to create the NgZone _before_ we instantiate the module,\n        // as instantiating the module creates some providers eagerly.\n        // So we create a mini parent injector that just contains the new NgZone and\n        // pass that as parent to the NgModuleFactory.\n        var ngZoneOption = options ? options.ngZone : undefined;\n        var ngZoneEventCoalescing = (options && options.ngZoneEventCoalescing) || false;\n        var ngZone = getNgZone(ngZoneOption, ngZoneEventCoalescing);\n        var providers = [{ provide: NgZone, useValue: ngZone }];\n        // Attention: Don't use ApplicationRef.run here,\n        // as we want to be sure that all possible constructor calls are inside `ngZone.run`!\n        return ngZone.run(function () {\n            var ngZoneInjector = Injector.create({ providers: providers, parent: _this.injector, name: moduleFactory.moduleType.name });\n            var moduleRef = moduleFactory.create(ngZoneInjector);\n            var exceptionHandler = moduleRef.injector.get(ErrorHandler, null);\n            if (!exceptionHandler) {\n                throw new Error('No ErrorHandler. Is platform module (BrowserModule) included?');\n            }\n            moduleRef.onDestroy(function () { return remove(_this._modules, moduleRef); });\n            ngZone.runOutsideAngular(function () { return ngZone.onError.subscribe({ next: function (error) { exceptionHandler.handleError(error); } }); });\n            return _callAndReportToErrorHandler(exceptionHandler, ngZone, function () {\n                var initStatus = moduleRef.injector.get(ApplicationInitStatus);\n                initStatus.runInitializers();\n                return initStatus.donePromise.then(function () {\n                    if (ivyEnabled) {\n                        // If the `LOCALE_ID` provider is defined at bootstrap then we set the value for ivy\n                        var localeId = moduleRef.injector.get(LOCALE_ID$1, DEFAULT_LOCALE_ID);\n                        setLocaleId(localeId || DEFAULT_LOCALE_ID);\n                    }\n                    _this._moduleDoBootstrap(moduleRef);\n                    return moduleRef;\n                });\n            });\n        });\n    };\n    /**\n     * Creates an instance of an `@NgModule` for a given platform using the given runtime compiler.\n     *\n     * @usageNotes\n     * ### Simple Example\n     *\n     * ```typescript\n     * @NgModule({\n     *   imports: [BrowserModule]\n     * })\n     * class MyModule {}\n     *\n     * let moduleRef = platformBrowser().bootstrapModule(MyModule);\n     * ```\n     *\n     */\n    PlatformRef.prototype.bootstrapModule = function (moduleType, compilerOptions) {\n        var _this = this;\n        if (compilerOptions === void 0) { compilerOptions = []; }\n        var options = optionsReducer({}, compilerOptions);\n        return compileNgModuleFactory(this.injector, options, moduleType)\n            .then(function (moduleFactory) { return _this.bootstrapModuleFactory(moduleFactory, options); });\n    };\n    PlatformRef.prototype._moduleDoBootstrap = function (moduleRef) {\n        var appRef = moduleRef.injector.get(ApplicationRef);\n        if (moduleRef._bootstrapComponents.length > 0) {\n            moduleRef._bootstrapComponents.forEach(function (f) { return appRef.bootstrap(f); });\n        }\n        else if (moduleRef.instance.ngDoBootstrap) {\n            moduleRef.instance.ngDoBootstrap(appRef);\n        }\n        else {\n            throw new Error(\"The module \" + stringify(moduleRef.instance.constructor) + \" was bootstrapped, but it does not declare \\\"@NgModule.bootstrap\\\" components nor a \\\"ngDoBootstrap\\\" method. \" +\n                \"Please define one of these.\");\n        }\n        this._modules.push(moduleRef);\n    };\n    /**\n     * Register a listener to be called when the platform is disposed.\n     */\n    PlatformRef.prototype.onDestroy = function (callback) { this._destroyListeners.push(callback); };\n    Object.defineProperty(PlatformRef.prototype, \"injector\", {\n        /**\n         * Retrieve the platform {@link Injector}, which is the parent injector for\n         * every Angular application on the page and provides singleton providers.\n         */\n        get: function () { return this._injector; },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Destroy the Angular platform and all Angular applications on the page.\n     */\n    PlatformRef.prototype.destroy = function () {\n        if (this._destroyed) {\n            throw new Error('The platform has already been destroyed!');\n        }\n        this._modules.slice().forEach(function (module) { return module.destroy(); });\n        this._destroyListeners.forEach(function (listener) { return listener(); });\n        this._destroyed = true;\n    };\n    Object.defineProperty(PlatformRef.prototype, \"destroyed\", {\n        get: function () { return this._destroyed; },\n        enumerable: true,\n        configurable: true\n    });\n    PlatformRef = __decorate([\n        Injectable(),\n        __metadata(\"design:paramtypes\", [Injector])\n    ], PlatformRef);\n    return PlatformRef;\n}());\nfunction getNgZone(ngZoneOption, ngZoneEventCoalescing) {\n    var ngZone;\n    if (ngZoneOption === 'noop') {\n        ngZone = new NoopNgZone();\n    }\n    else {\n        ngZone = (ngZoneOption === 'zone.js' ? undefined : ngZoneOption) || new NgZone({\n            enableLongStackTrace: isDevMode(),\n            shouldCoalesceEventChangeDetection: ngZoneEventCoalescing\n        });\n    }\n    return ngZone;\n}\nfunction _callAndReportToErrorHandler(errorHandler, ngZone, callback) {\n    try {\n        var result = callback();\n        if (isPromise(result)) {\n            return result.catch(function (e) {\n                ngZone.runOutsideAngular(function () { return errorHandler.handleError(e); });\n                // rethrow as the exception handler might not do it\n                throw e;\n            });\n        }\n        return result;\n    }\n    catch (e) {\n        ngZone.runOutsideAngular(function () { return errorHandler.handleError(e); });\n        // rethrow as the exception handler might not do it\n        throw e;\n    }\n}\nfunction optionsReducer(dst, objs) {\n    if (Array.isArray(objs)) {\n        dst = objs.reduce(optionsReducer, dst);\n    }\n    else {\n        dst = __assign(__assign({}, dst), objs);\n    }\n    return dst;\n}\n/**\n * A reference to an Angular application running on a page.\n *\n * @usageNotes\n *\n * {@a is-stable-examples}\n * ### isStable examples and caveats\n *\n * Note two important points about `isStable`, demonstrated in the examples below:\n * - the application will never be stable if you start any kind\n * of recurrent asynchronous task when the application starts\n * (for example for a polling process, started with a `setInterval`, a `setTimeout`\n * or using RxJS operators like `interval`);\n * - the `isStable` Observable runs outside of the Angular zone.\n *\n * Let's imagine that you start a recurrent task\n * (here incrementing a counter, using RxJS `interval`),\n * and at the same time subscribe to `isStable`.\n *\n * ```\n * constructor(appRef: ApplicationRef) {\n *   appRef.isStable.pipe(\n *      filter(stable => stable)\n *   ).subscribe(() => console.log('App is stable now');\n *   interval(1000).subscribe(counter => console.log(counter));\n * }\n * ```\n * In this example, `isStable` will never emit `true`,\n * and the trace \"App is stable now\" will never get logged.\n *\n * If you want to execute something when the app is stable,\n * you have to wait for the application to be stable\n * before starting your polling process.\n *\n * ```\n * constructor(appRef: ApplicationRef) {\n *   appRef.isStable.pipe(\n *     first(stable => stable),\n *     tap(stable => console.log('App is stable now')),\n *     switchMap(() => interval(1000))\n *   ).subscribe(counter => console.log(counter));\n * }\n * ```\n * In this example, the trace \"App is stable now\" will be logged\n * and then the counter starts incrementing every second.\n *\n * Note also that this Observable runs outside of the Angular zone,\n * which means that the code in the subscription\n * to this Observable will not trigger the change detection.\n *\n * Let's imagine that instead of logging the counter value,\n * you update a field of your component\n * and display it in its template.\n *\n * ```\n * constructor(appRef: ApplicationRef) {\n *   appRef.isStable.pipe(\n *     first(stable => stable),\n *     switchMap(() => interval(1000))\n *   ).subscribe(counter => this.value = counter);\n * }\n * ```\n * As the `isStable` Observable runs outside the zone,\n * the `value` field will be updated properly,\n * but the template will not be refreshed!\n *\n * You'll have to manually trigger the change detection to update the template.\n *\n * ```\n * constructor(appRef: ApplicationRef, cd: ChangeDetectorRef) {\n *   appRef.isStable.pipe(\n *     first(stable => stable),\n *     switchMap(() => interval(1000))\n *   ).subscribe(counter => {\n *     this.value = counter;\n *     cd.detectChanges();\n *   });\n * }\n * ```\n *\n * Or make the subscription callback run inside the zone.\n *\n * ```\n * constructor(appRef: ApplicationRef, zone: NgZone) {\n *   appRef.isStable.pipe(\n *     first(stable => stable),\n *     switchMap(() => interval(1000))\n *   ).subscribe(counter => zone.run(() => this.value = counter));\n * }\n * ```\n *\n * @publicApi\n */\nvar ApplicationRef = /** @class */ (function () {\n    /** @internal */\n    function ApplicationRef(_zone, _console, _injector, _exceptionHandler, _componentFactoryResolver, _initStatus) {\n        var _this = this;\n        this._zone = _zone;\n        this._console = _console;\n        this._injector = _injector;\n        this._exceptionHandler = _exceptionHandler;\n        this._componentFactoryResolver = _componentFactoryResolver;\n        this._initStatus = _initStatus;\n        /** @internal */\n        this._bootstrapListeners = [];\n        this._views = [];\n        this._runningTick = false;\n        this._enforceNoNewChanges = false;\n        this._stable = true;\n        /**\n         * Get a list of component types registered to this application.\n         * This list is populated even before the component is created.\n         */\n        this.componentTypes = [];\n        /**\n         * Get a list of components registered to this application.\n         */\n        this.components = [];\n        this._enforceNoNewChanges = isDevMode();\n        this._zone.onMicrotaskEmpty.subscribe({ next: function () { _this._zone.run(function () { _this.tick(); }); } });\n        var isCurrentlyStable = new Observable(function (observer) {\n            _this._stable = _this._zone.isStable && !_this._zone.hasPendingMacrotasks &&\n                !_this._zone.hasPendingMicrotasks;\n            _this._zone.runOutsideAngular(function () {\n                observer.next(_this._stable);\n                observer.complete();\n            });\n        });\n        var isStable = new Observable(function (observer) {\n            // Create the subscription to onStable outside the Angular Zone so that\n            // the callback is run outside the Angular Zone.\n            var stableSub;\n            _this._zone.runOutsideAngular(function () {\n                stableSub = _this._zone.onStable.subscribe(function () {\n                    NgZone.assertNotInAngularZone();\n                    // Check whether there are no pending macro/micro tasks in the next tick\n                    // to allow for NgZone to update the state.\n                    scheduleMicroTask(function () {\n                        if (!_this._stable && !_this._zone.hasPendingMacrotasks &&\n                            !_this._zone.hasPendingMicrotasks) {\n                            _this._stable = true;\n                            observer.next(true);\n                        }\n                    });\n                });\n            });\n            var unstableSub = _this._zone.onUnstable.subscribe(function () {\n                NgZone.assertInAngularZone();\n                if (_this._stable) {\n                    _this._stable = false;\n                    _this._zone.runOutsideAngular(function () { observer.next(false); });\n                }\n            });\n            return function () {\n                stableSub.unsubscribe();\n                unstableSub.unsubscribe();\n            };\n        });\n        this.isStable =\n            merge$1(isCurrentlyStable, isStable.pipe(share()));\n    }\n    /**\n     * Bootstrap a new component at the root level of the application.\n     *\n     * @usageNotes\n     * ### Bootstrap process\n     *\n     * When bootstrapping a new root component into an application, Angular mounts the\n     * specified application component onto DOM elements identified by the componentType's\n     * selector and kicks off automatic change detection to finish initializing the component.\n     *\n     * Optionally, a component can be mounted onto a DOM element that does not match the\n     * componentType's selector.\n     *\n     * ### Example\n     * {@example core/ts/platform/platform.ts region='longform'}\n     */\n    ApplicationRef.prototype.bootstrap = function (componentOrFactory, rootSelectorOrNode) {\n        var _this = this;\n        if (!this._initStatus.done) {\n            throw new Error('Cannot bootstrap as there are still asynchronous initializers running. Bootstrap components in the `ngDoBootstrap` method of the root module.');\n        }\n        var componentFactory;\n        if (componentOrFactory instanceof ComponentFactory) {\n            componentFactory = componentOrFactory;\n        }\n        else {\n            componentFactory =\n                this._componentFactoryResolver.resolveComponentFactory(componentOrFactory);\n        }\n        this.componentTypes.push(componentFactory.componentType);\n        // Create a factory associated with the current module if it's not bound to some other\n        var ngModule = isBoundToModule(componentFactory) ? undefined : this._injector.get(NgModuleRef);\n        var selectorOrNode = rootSelectorOrNode || componentFactory.selector;\n        var compRef = componentFactory.create(Injector.NULL, [], selectorOrNode, ngModule);\n        compRef.onDestroy(function () { _this._unloadComponent(compRef); });\n        var testability = compRef.injector.get(Testability, null);\n        if (testability) {\n            compRef.injector.get(TestabilityRegistry)\n                .registerApplication(compRef.location.nativeElement, testability);\n        }\n        this._loadComponent(compRef);\n        if (isDevMode()) {\n            this._console.log(\"Angular is running in the development mode. Call enableProdMode() to enable the production mode.\");\n        }\n        return compRef;\n    };\n    /**\n     * Invoke this method to explicitly process change detection and its side-effects.\n     *\n     * In development mode, `tick()` also performs a second change detection cycle to ensure that no\n     * further changes are detected. If additional changes are picked up during this second cycle,\n     * bindings in the app have side-effects that cannot be resolved in a single change detection\n     * pass.\n     * In this case, Angular throws an error, since an Angular application can only have one change\n     * detection pass during which all change detection must complete.\n     */\n    ApplicationRef.prototype.tick = function () {\n        var e_1, _a, e_2, _b;\n        var _this = this;\n        if (this._runningTick) {\n            throw new Error('ApplicationRef.tick is called recursively');\n        }\n        try {\n            this._runningTick = true;\n            try {\n                for (var _c = __values(this._views), _d = _c.next(); !_d.done; _d = _c.next()) {\n                    var view = _d.value;\n                    view.detectChanges();\n                }\n            }\n            catch (e_1_1) { e_1 = { error: e_1_1 }; }\n            finally {\n                try {\n                    if (_d && !_d.done && (_a = _c.return)) _a.call(_c);\n                }\n                finally { if (e_1) throw e_1.error; }\n            }\n            if (this._enforceNoNewChanges) {\n                try {\n                    for (var _e = __values(this._views), _f = _e.next(); !_f.done; _f = _e.next()) {\n                        var view = _f.value;\n                        view.checkNoChanges();\n                    }\n                }\n                catch (e_2_1) { e_2 = { error: e_2_1 }; }\n                finally {\n                    try {\n                        if (_f && !_f.done && (_b = _e.return)) _b.call(_e);\n                    }\n                    finally { if (e_2) throw e_2.error; }\n                }\n            }\n        }\n        catch (e) {\n            // Attention: Don't rethrow as it could cancel subscriptions to Observables!\n            this._zone.runOutsideAngular(function () { return _this._exceptionHandler.handleError(e); });\n        }\n        finally {\n            this._runningTick = false;\n        }\n    };\n    /**\n     * Attaches a view so that it will be dirty checked.\n     * The view will be automatically detached when it is destroyed.\n     * This will throw if the view is already attached to a ViewContainer.\n     */\n    ApplicationRef.prototype.attachView = function (viewRef) {\n        var view = viewRef;\n        this._views.push(view);\n        view.attachToAppRef(this);\n    };\n    /**\n     * Detaches a view from dirty checking again.\n     */\n    ApplicationRef.prototype.detachView = function (viewRef) {\n        var view = viewRef;\n        remove(this._views, view);\n        view.detachFromAppRef();\n    };\n    ApplicationRef.prototype._loadComponent = function (componentRef) {\n        this.attachView(componentRef.hostView);\n        this.tick();\n        this.components.push(componentRef);\n        // Get the listeners lazily to prevent DI cycles.\n        var listeners = this._injector.get(APP_BOOTSTRAP_LISTENER, []).concat(this._bootstrapListeners);\n        listeners.forEach(function (listener) { return listener(componentRef); });\n    };\n    ApplicationRef.prototype._unloadComponent = function (componentRef) {\n        this.detachView(componentRef.hostView);\n        remove(this.components, componentRef);\n    };\n    /** @internal */\n    ApplicationRef.prototype.ngOnDestroy = function () {\n        // TODO(alxhub): Dispose of the NgZone.\n        this._views.slice().forEach(function (view) { return view.destroy(); });\n    };\n    Object.defineProperty(ApplicationRef.prototype, \"viewCount\", {\n        /**\n         * Returns the number of attached views.\n         */\n        get: function () { return this._views.length; },\n        enumerable: true,\n        configurable: true\n    });\n    ApplicationRef = __decorate([\n        Injectable(),\n        __metadata(\"design:paramtypes\", [NgZone, Console, Injector,\n            ErrorHandler,\n            ComponentFactoryResolver,\n            ApplicationInitStatus])\n    ], ApplicationRef);\n    return ApplicationRef;\n}());\nfunction remove(list, el) {\n    var index = list.indexOf(el);\n    if (index > -1) {\n        list.splice(index, 1);\n    }\n}\nfunction _mergeArrays(parts) {\n    var result = [];\n    parts.forEach(function (part) { return part && result.push.apply(result, __spread(part)); });\n    return result;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Used to load ng module factories.\n *\n * @publicApi\n * @deprecated the `string` form of `loadChildren` is deprecated, and `NgModuleFactoryLoader` is\n * part of its implementation. See `LoadChildren` for more details.\n */\nvar NgModuleFactoryLoader = /** @class */ (function () {\n    function NgModuleFactoryLoader() {\n    }\n    return NgModuleFactoryLoader;\n}());\nfunction getModuleFactory__PRE_R3__(id) {\n    var factory = getRegisteredNgModuleType(id);\n    if (!factory)\n        throw noModuleError(id);\n    return factory;\n}\nfunction getModuleFactory__POST_R3__(id) {\n    var type = getRegisteredNgModuleType(id);\n    if (!type)\n        throw noModuleError(id);\n    return new NgModuleFactory$1(type);\n}\n/**\n * Returns the NgModuleFactory with the given id, if it exists and has been loaded.\n * Factories for modules that do not specify an `id` cannot be retrieved. Throws if the module\n * cannot be found.\n * @publicApi\n */\nvar getModuleFactory = getModuleFactory__PRE_R3__;\nfunction noModuleError(id) {\n    return new Error(\"No module with ID \" + id + \" loaded\");\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar _SEPARATOR = '#';\nvar FACTORY_CLASS_SUFFIX = 'NgFactory';\n/**\n * Configuration for SystemJsNgModuleLoader.\n * token.\n *\n * @publicApi\n * @deprecated the `string` form of `loadChildren` is deprecated, and `SystemJsNgModuleLoaderConfig`\n * is part of its implementation. See `LoadChildren` for more details.\n */\nvar SystemJsNgModuleLoaderConfig = /** @class */ (function () {\n    function SystemJsNgModuleLoaderConfig() {\n    }\n    return SystemJsNgModuleLoaderConfig;\n}());\nvar DEFAULT_CONFIG = {\n    factoryPathPrefix: '',\n    factoryPathSuffix: '.ngfactory',\n};\n/**\n * NgModuleFactoryLoader that uses SystemJS to load NgModuleFactory\n * @publicApi\n * @deprecated the `string` form of `loadChildren` is deprecated, and `SystemJsNgModuleLoader` is\n * part of its implementation. See `LoadChildren` for more details.\n */\nvar SystemJsNgModuleLoader = /** @class */ (function () {\n    function SystemJsNgModuleLoader(_compiler, config) {\n        this._compiler = _compiler;\n        this._config = config || DEFAULT_CONFIG;\n    }\n    SystemJsNgModuleLoader.prototype.load = function (path) {\n        var legacyOfflineMode = !ivyEnabled && this._compiler instanceof Compiler;\n        return legacyOfflineMode ? this.loadFactory(path) : this.loadAndCompile(path);\n    };\n    SystemJsNgModuleLoader.prototype.loadAndCompile = function (path) {\n        var _this = this;\n        var _a = __read(path.split(_SEPARATOR), 2), module = _a[0], exportName = _a[1];\n        if (exportName === undefined) {\n            exportName = 'default';\n        }\n        return System.import(module)\n            .then(function (module) { return module[exportName]; })\n            .then(function (type) { return checkNotEmpty(type, module, exportName); })\n            .then(function (type) { return _this._compiler.compileModuleAsync(type); });\n    };\n    SystemJsNgModuleLoader.prototype.loadFactory = function (path) {\n        var _a = __read(path.split(_SEPARATOR), 2), module = _a[0], exportName = _a[1];\n        var factoryClassSuffix = FACTORY_CLASS_SUFFIX;\n        if (exportName === undefined) {\n            exportName = 'default';\n            factoryClassSuffix = '';\n        }\n        return System.import(this._config.factoryPathPrefix + module + this._config.factoryPathSuffix)\n            .then(function (module) { return module[exportName + factoryClassSuffix]; })\n            .then(function (factory) { return checkNotEmpty(factory, module, exportName); });\n    };\n    SystemJsNgModuleLoader = __decorate([\n        Injectable(),\n        __param(1, Optional()),\n        __metadata(\"design:paramtypes\", [Compiler, SystemJsNgModuleLoaderConfig])\n    ], SystemJsNgModuleLoader);\n    return SystemJsNgModuleLoader;\n}());\nfunction checkNotEmpty(value, modulePath, exportName) {\n    if (!value) {\n        throw new Error(\"Cannot find '\" + exportName + \"' in '\" + modulePath + \"'\");\n    }\n    return value;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Represents an Angular [view](guide/glossary#view),\n * specifically the [host view](guide/glossary#view-tree) that is defined by a component.\n * Also serves as the base class\n * that adds destroy methods for [embedded views](guide/glossary#view-tree).\n *\n * @see `EmbeddedViewRef`\n *\n * @publicApi\n */\nvar ViewRef$1 = /** @class */ (function (_super) {\n    __extends(ViewRef, _super);\n    function ViewRef() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    return ViewRef;\n}(ChangeDetectorRef));\n/**\n * Represents an Angular [view](guide/glossary#view) in a view container.\n * An [embedded view](guide/glossary#view-tree) can be referenced from a component\n * other than the hosting component whose template defines it, or it can be defined\n * independently by a `TemplateRef`.\n *\n * Properties of elements in a view can change, but the structure (number and order) of elements in\n * a view cannot. Change the structure of elements by inserting, moving, or\n * removing nested views in a view container.\n *\n * @see `ViewContainerRef`\n *\n * @usageNotes\n *\n * The following template breaks down into two separate `TemplateRef` instances,\n * an outer one and an inner one.\n *\n * ```\n * Count: {{items.length}}\n * <ul>\n *   <li *ngFor=\"let  item of items\">{{item}}</li>\n * </ul>\n * ```\n *\n * This is the outer `TemplateRef`:\n *\n * ```\n * Count: {{items.length}}\n * <ul>\n *   <ng-template ngFor let-item [ngForOf]=\"items\"></ng-template>\n * </ul>\n * ```\n *\n * This is the inner `TemplateRef`:\n *\n * ```\n *   <li>{{item}}</li>\n * ```\n *\n * The outer and inner `TemplateRef` instances are assembled into views as follows:\n *\n * ```\n * <!-- ViewRef: outer-0 -->\n * Count: 2\n * <ul>\n *   <ng-template view-container-ref></ng-template>\n *   <!-- ViewRef: inner-1 --><li>first</li><!-- /ViewRef: inner-1 -->\n *   <!-- ViewRef: inner-2 --><li>second</li><!-- /ViewRef: inner-2 -->\n * </ul>\n * <!-- /ViewRef: outer-0 -->\n * ```\n * @publicApi\n */\nvar EmbeddedViewRef = /** @class */ (function (_super) {\n    __extends(EmbeddedViewRef, _super);\n    function EmbeddedViewRef() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    return EmbeddedViewRef;\n}(ViewRef$1));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @publicApi\n */\nvar DebugEventListener = /** @class */ (function () {\n    function DebugEventListener(name, callback) {\n        this.name = name;\n        this.callback = callback;\n    }\n    return DebugEventListener;\n}());\nvar DebugNode__PRE_R3__ = /** @class */ (function () {\n    function DebugNode__PRE_R3__(nativeNode, parent, _debugContext) {\n        this.listeners = [];\n        this.parent = null;\n        this._debugContext = _debugContext;\n        this.nativeNode = nativeNode;\n        if (parent && parent instanceof DebugElement__PRE_R3__) {\n            parent.addChild(this);\n        }\n    }\n    Object.defineProperty(DebugNode__PRE_R3__.prototype, \"injector\", {\n        get: function () { return this._debugContext.injector; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugNode__PRE_R3__.prototype, \"componentInstance\", {\n        get: function () { return this._debugContext.component; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugNode__PRE_R3__.prototype, \"context\", {\n        get: function () { return this._debugContext.context; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugNode__PRE_R3__.prototype, \"references\", {\n        get: function () { return this._debugContext.references; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugNode__PRE_R3__.prototype, \"providerTokens\", {\n        get: function () { return this._debugContext.providerTokens; },\n        enumerable: true,\n        configurable: true\n    });\n    return DebugNode__PRE_R3__;\n}());\nvar DebugElement__PRE_R3__ = /** @class */ (function (_super) {\n    __extends(DebugElement__PRE_R3__, _super);\n    function DebugElement__PRE_R3__(nativeNode, parent, _debugContext) {\n        var _this = _super.call(this, nativeNode, parent, _debugContext) || this;\n        _this.properties = {};\n        _this.attributes = {};\n        _this.classes = {};\n        _this.styles = {};\n        _this.childNodes = [];\n        _this.nativeElement = nativeNode;\n        return _this;\n    }\n    DebugElement__PRE_R3__.prototype.addChild = function (child) {\n        if (child) {\n            this.childNodes.push(child);\n            child.parent = this;\n        }\n    };\n    DebugElement__PRE_R3__.prototype.removeChild = function (child) {\n        var childIndex = this.childNodes.indexOf(child);\n        if (childIndex !== -1) {\n            child.parent = null;\n            this.childNodes.splice(childIndex, 1);\n        }\n    };\n    DebugElement__PRE_R3__.prototype.insertChildrenAfter = function (child, newChildren) {\n        var _a;\n        var _this = this;\n        var siblingIndex = this.childNodes.indexOf(child);\n        if (siblingIndex !== -1) {\n            (_a = this.childNodes).splice.apply(_a, __spread([siblingIndex + 1, 0], newChildren));\n            newChildren.forEach(function (c) {\n                if (c.parent) {\n                    c.parent.removeChild(c);\n                }\n                child.parent = _this;\n            });\n        }\n    };\n    DebugElement__PRE_R3__.prototype.insertBefore = function (refChild, newChild) {\n        var refIndex = this.childNodes.indexOf(refChild);\n        if (refIndex === -1) {\n            this.addChild(newChild);\n        }\n        else {\n            if (newChild.parent) {\n                newChild.parent.removeChild(newChild);\n            }\n            newChild.parent = this;\n            this.childNodes.splice(refIndex, 0, newChild);\n        }\n    };\n    DebugElement__PRE_R3__.prototype.query = function (predicate) {\n        var results = this.queryAll(predicate);\n        return results[0] || null;\n    };\n    DebugElement__PRE_R3__.prototype.queryAll = function (predicate) {\n        var matches = [];\n        _queryElementChildren(this, predicate, matches);\n        return matches;\n    };\n    DebugElement__PRE_R3__.prototype.queryAllNodes = function (predicate) {\n        var matches = [];\n        _queryNodeChildren(this, predicate, matches);\n        return matches;\n    };\n    Object.defineProperty(DebugElement__PRE_R3__.prototype, \"children\", {\n        get: function () {\n            return this\n                .childNodes //\n                .filter(function (node) { return node instanceof DebugElement__PRE_R3__; });\n        },\n        enumerable: true,\n        configurable: true\n    });\n    DebugElement__PRE_R3__.prototype.triggerEventHandler = function (eventName, eventObj) {\n        this.listeners.forEach(function (listener) {\n            if (listener.name == eventName) {\n                listener.callback(eventObj);\n            }\n        });\n    };\n    return DebugElement__PRE_R3__;\n}(DebugNode__PRE_R3__));\n/**\n * @publicApi\n */\nfunction asNativeElements(debugEls) {\n    return debugEls.map(function (el) { return el.nativeElement; });\n}\nfunction _queryElementChildren(element, predicate, matches) {\n    element.childNodes.forEach(function (node) {\n        if (node instanceof DebugElement__PRE_R3__) {\n            if (predicate(node)) {\n                matches.push(node);\n            }\n            _queryElementChildren(node, predicate, matches);\n        }\n    });\n}\nfunction _queryNodeChildren(parentNode, predicate, matches) {\n    if (parentNode instanceof DebugElement__PRE_R3__) {\n        parentNode.childNodes.forEach(function (node) {\n            if (predicate(node)) {\n                matches.push(node);\n            }\n            if (node instanceof DebugElement__PRE_R3__) {\n                _queryNodeChildren(node, predicate, matches);\n            }\n        });\n    }\n}\nvar DebugNode__POST_R3__ = /** @class */ (function () {\n    function DebugNode__POST_R3__(nativeNode) {\n        this.nativeNode = nativeNode;\n    }\n    Object.defineProperty(DebugNode__POST_R3__.prototype, \"parent\", {\n        get: function () {\n            var parent = this.nativeNode.parentNode;\n            return parent ? new DebugElement__POST_R3__(parent) : null;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugNode__POST_R3__.prototype, \"injector\", {\n        get: function () { return getInjector(this.nativeNode); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugNode__POST_R3__.prototype, \"componentInstance\", {\n        get: function () {\n            var nativeElement = this.nativeNode;\n            return nativeElement &&\n                (getComponent(nativeElement) || getOwningComponent(nativeElement));\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugNode__POST_R3__.prototype, \"context\", {\n        get: function () {\n            return getComponent(this.nativeNode) || getContext(this.nativeNode);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugNode__POST_R3__.prototype, \"listeners\", {\n        get: function () {\n            return getListeners(this.nativeNode).filter(function (listener) { return listener.type === 'dom'; });\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugNode__POST_R3__.prototype, \"references\", {\n        get: function () { return getLocalRefs(this.nativeNode); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugNode__POST_R3__.prototype, \"providerTokens\", {\n        get: function () { return getInjectionTokens(this.nativeNode); },\n        enumerable: true,\n        configurable: true\n    });\n    return DebugNode__POST_R3__;\n}());\nvar DebugElement__POST_R3__ = /** @class */ (function (_super) {\n    __extends(DebugElement__POST_R3__, _super);\n    function DebugElement__POST_R3__(nativeNode) {\n        var _this = this;\n        ngDevMode && assertDomNode(nativeNode);\n        _this = _super.call(this, nativeNode) || this;\n        return _this;\n    }\n    Object.defineProperty(DebugElement__POST_R3__.prototype, \"nativeElement\", {\n        get: function () {\n            return this.nativeNode.nodeType == Node.ELEMENT_NODE ? this.nativeNode : null;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugElement__POST_R3__.prototype, \"name\", {\n        get: function () {\n            try {\n                var context = loadLContext(this.nativeNode);\n                var lView = context.lView;\n                var tData = lView[TVIEW].data;\n                var tNode = tData[context.nodeIndex];\n                return tNode.tagName;\n            }\n            catch (e) {\n                return this.nativeNode.nodeName;\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugElement__POST_R3__.prototype, \"properties\", {\n        /**\n         *  Gets a map of property names to property values for an element.\n         *\n         *  This map includes:\n         *  - Regular property bindings (e.g. `[id]=\"id\"`)\n         *  - Host property bindings (e.g. `host: { '[id]': \"id\" }`)\n         *  - Interpolated property bindings (e.g. `id=\"{{ value }}\")\n         *\n         *  It does not include:\n         *  - input property bindings (e.g. `[myCustomInput]=\"value\"`)\n         *  - attribute bindings (e.g. `[attr.role]=\"menu\"`)\n         */\n        get: function () {\n            var context = loadLContext(this.nativeNode, false);\n            if (context == null) {\n                return {};\n            }\n            var lView = context.lView;\n            var tData = lView[TVIEW].data;\n            var tNode = tData[context.nodeIndex];\n            var properties = {};\n            // Collect properties from the DOM.\n            copyDomProperties(this.nativeElement, properties);\n            // Collect properties from the bindings. This is needed for animation renderer which has\n            // synthetic properties which don't get reflected into the DOM.\n            collectPropertyBindings(properties, tNode, lView, tData);\n            return properties;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugElement__POST_R3__.prototype, \"attributes\", {\n        get: function () {\n            var attributes = {};\n            var element = this.nativeElement;\n            if (!element) {\n                return attributes;\n            }\n            var context = loadLContext(element, false);\n            if (context == null) {\n                return {};\n            }\n            var lView = context.lView;\n            var tNodeAttrs = lView[TVIEW].data[context.nodeIndex].attrs;\n            var lowercaseTNodeAttrs = [];\n            // For debug nodes we take the element's attribute directly from the DOM since it allows us\n            // to account for ones that weren't set via bindings (e.g. ViewEngine keeps track of the ones\n            // that are set through `Renderer2`). The problem is that the browser will lowercase all names,\n            // however since we have the attributes already on the TNode, we can preserve the case by going\n            // through them once, adding them to the `attributes` map and putting their lower-cased name\n            // into an array. Afterwards when we're going through the native DOM attributes, we can check\n            // whether we haven't run into an attribute already through the TNode.\n            if (tNodeAttrs) {\n                var i = 0;\n                while (i < tNodeAttrs.length) {\n                    var attrName = tNodeAttrs[i];\n                    // Stop as soon as we hit a marker. We only care about the regular attributes. Everything\n                    // else will be handled below when we read the final attributes off the DOM.\n                    if (typeof attrName !== 'string')\n                        break;\n                    var attrValue = tNodeAttrs[i + 1];\n                    attributes[attrName] = attrValue;\n                    lowercaseTNodeAttrs.push(attrName.toLowerCase());\n                    i += 2;\n                }\n            }\n            var eAttrs = element.attributes;\n            for (var i = 0; i < eAttrs.length; i++) {\n                var attr = eAttrs[i];\n                var lowercaseName = attr.name.toLowerCase();\n                // Make sure that we don't assign the same attribute both in its\n                // case-sensitive form and the lower-cased one from the browser.\n                if (lowercaseTNodeAttrs.indexOf(lowercaseName) === -1) {\n                    // Save the lowercase name to align the behavior between browsers.\n                    // IE preserves the case, while all other browser convert it to lower case.\n                    attributes[lowercaseName] = attr.value;\n                }\n            }\n            return attributes;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugElement__POST_R3__.prototype, \"styles\", {\n        get: function () {\n            if (this.nativeElement && this.nativeElement.style) {\n                return this.nativeElement.style;\n            }\n            return {};\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugElement__POST_R3__.prototype, \"classes\", {\n        get: function () {\n            var result = {};\n            var element = this.nativeElement;\n            // SVG elements return an `SVGAnimatedString` instead of a plain string for the `className`.\n            var className = element.className;\n            var classes = className && typeof className !== 'string' ? className.baseVal.split(' ') :\n                className.split(' ');\n            classes.forEach(function (value) { return result[value] = true; });\n            return result;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugElement__POST_R3__.prototype, \"childNodes\", {\n        get: function () {\n            var childNodes = this.nativeNode.childNodes;\n            var children = [];\n            for (var i = 0; i < childNodes.length; i++) {\n                var element = childNodes[i];\n                children.push(getDebugNode__POST_R3__(element));\n            }\n            return children;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugElement__POST_R3__.prototype, \"children\", {\n        get: function () {\n            var nativeElement = this.nativeElement;\n            if (!nativeElement)\n                return [];\n            var childNodes = nativeElement.children;\n            var children = [];\n            for (var i = 0; i < childNodes.length; i++) {\n                var element = childNodes[i];\n                children.push(getDebugNode__POST_R3__(element));\n            }\n            return children;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    DebugElement__POST_R3__.prototype.query = function (predicate) {\n        var results = this.queryAll(predicate);\n        return results[0] || null;\n    };\n    DebugElement__POST_R3__.prototype.queryAll = function (predicate) {\n        var matches = [];\n        _queryAllR3(this, predicate, matches, true);\n        return matches;\n    };\n    DebugElement__POST_R3__.prototype.queryAllNodes = function (predicate) {\n        var matches = [];\n        _queryAllR3(this, predicate, matches, false);\n        return matches;\n    };\n    DebugElement__POST_R3__.prototype.triggerEventHandler = function (eventName, eventObj) {\n        var node = this.nativeNode;\n        var invokedListeners = [];\n        this.listeners.forEach(function (listener) {\n            if (listener.name === eventName) {\n                var callback = listener.callback;\n                callback.call(node, eventObj);\n                invokedListeners.push(callback);\n            }\n        });\n        // We need to check whether `eventListeners` exists, because it's something\n        // that Zone.js only adds to `EventTarget` in browser environments.\n        if (typeof node.eventListeners === 'function') {\n            // Note that in Ivy we wrap event listeners with a call to `event.preventDefault` in some\n            // cases. We use '__ngUnwrap__' as a special token that gives us access to the actual event\n            // listener.\n            node.eventListeners(eventName).forEach(function (listener) {\n                // In order to ensure that we can detect the special __ngUnwrap__ token described above, we\n                // use `toString` on the listener and see if it contains the token. We use this approach to\n                // ensure that it still worked with compiled code since it cannot remove or rename string\n                // literals. We also considered using a special function name (i.e. if(listener.name ===\n                // special)) but that was more cumbersome and we were also concerned the compiled code could\n                // strip the name, turning the condition in to (\"\" === \"\") and always returning true.\n                if (listener.toString().indexOf('__ngUnwrap__') !== -1) {\n                    var unwrappedListener = listener('__ngUnwrap__');\n                    return invokedListeners.indexOf(unwrappedListener) === -1 &&\n                        unwrappedListener.call(node, eventObj);\n                }\n            });\n        }\n    };\n    return DebugElement__POST_R3__;\n}(DebugNode__POST_R3__));\nfunction copyDomProperties(element, properties) {\n    if (element) {\n        // Skip own properties (as those are patched)\n        var obj = Object.getPrototypeOf(element);\n        var NodePrototype = Node.prototype;\n        while (obj !== null && obj !== NodePrototype) {\n            var descriptors = Object.getOwnPropertyDescriptors(obj);\n            for (var key in descriptors) {\n                if (!key.startsWith('__') && !key.startsWith('on')) {\n                    // don't include properties starting with `__` and `on`.\n                    // `__` are patched values which should not be included.\n                    // `on` are listeners which also should not be included.\n                    var value = element[key];\n                    if (isPrimitiveValue(value)) {\n                        properties[key] = value;\n                    }\n                }\n            }\n            obj = Object.getPrototypeOf(obj);\n        }\n    }\n}\nfunction isPrimitiveValue(value) {\n    return typeof value === 'string' || typeof value === 'boolean' || typeof value === 'number' ||\n        value === null;\n}\nfunction _queryAllR3(parentElement, predicate, matches, elementsOnly) {\n    var context = loadLContext(parentElement.nativeNode, false);\n    if (context !== null) {\n        var parentTNode = context.lView[TVIEW].data[context.nodeIndex];\n        _queryNodeChildrenR3(parentTNode, context.lView, predicate, matches, elementsOnly, parentElement.nativeNode);\n    }\n    else {\n        // If the context is null, then `parentElement` was either created with Renderer2 or native DOM\n        // APIs.\n        _queryNativeNodeDescendants(parentElement.nativeNode, predicate, matches, elementsOnly);\n    }\n}\n/**\n * Recursively match the current TNode against the predicate, and goes on with the next ones.\n *\n * @param tNode the current TNode\n * @param lView the LView of this TNode\n * @param predicate the predicate to match\n * @param matches the list of positive matches\n * @param elementsOnly whether only elements should be searched\n * @param rootNativeNode the root native node on which predicate should not be matched\n */\nfunction _queryNodeChildrenR3(tNode, lView, predicate, matches, elementsOnly, rootNativeNode) {\n    var e_1, _a;\n    var nativeNode = getNativeByTNodeOrNull(tNode, lView);\n    // For each type of TNode, specific logic is executed.\n    if (tNode.type === 3 /* Element */ || tNode.type === 4 /* ElementContainer */) {\n        // Case 1: the TNode is an element\n        // The native node has to be checked.\n        _addQueryMatchR3(nativeNode, predicate, matches, elementsOnly, rootNativeNode);\n        if (isComponentHost(tNode)) {\n            // If the element is the host of a component, then all nodes in its view have to be processed.\n            // Note: the component's content (tNode.child) will be processed from the insertion points.\n            var componentView = getComponentLViewByIndex(tNode.index, lView);\n            if (componentView && componentView[TVIEW].firstChild) {\n                _queryNodeChildrenR3(componentView[TVIEW].firstChild, componentView, predicate, matches, elementsOnly, rootNativeNode);\n            }\n        }\n        else {\n            if (tNode.child) {\n                // Otherwise, its children have to be processed.\n                _queryNodeChildrenR3(tNode.child, lView, predicate, matches, elementsOnly, rootNativeNode);\n            }\n            // We also have to query the DOM directly in order to catch elements inserted through\n            // Renderer2. Note that this is __not__ optimal, because we're walking similar trees multiple\n            // times. ViewEngine could do it more efficiently, because all the insertions go through\n            // Renderer2, however that's not the case in Ivy. This approach is being used because:\n            // 1. Matching the ViewEngine behavior would mean potentially introducing a depedency\n            //    from `Renderer2` to Ivy which could bring Ivy code into ViewEngine.\n            // 2. We would have to make `Renderer3` \"know\" about debug nodes.\n            // 3. It allows us to capture nodes that were inserted directly via the DOM.\n            nativeNode && _queryNativeNodeDescendants(nativeNode, predicate, matches, elementsOnly);\n        }\n        // In all cases, if a dynamic container exists for this node, each view inside it has to be\n        // processed.\n        var nodeOrContainer = lView[tNode.index];\n        if (isLContainer(nodeOrContainer)) {\n            _queryNodeChildrenInContainerR3(nodeOrContainer, predicate, matches, elementsOnly, rootNativeNode);\n        }\n    }\n    else if (tNode.type === 0 /* Container */) {\n        // Case 2: the TNode is a container\n        // The native node has to be checked.\n        var lContainer = lView[tNode.index];\n        _addQueryMatchR3(lContainer[NATIVE], predicate, matches, elementsOnly, rootNativeNode);\n        // Each view inside the container has to be processed.\n        _queryNodeChildrenInContainerR3(lContainer, predicate, matches, elementsOnly, rootNativeNode);\n    }\n    else if (tNode.type === 1 /* Projection */) {\n        // Case 3: the TNode is a projection insertion point (i.e. a <ng-content>).\n        // The nodes projected at this location all need to be processed.\n        var componentView = lView[DECLARATION_COMPONENT_VIEW];\n        var componentHost = componentView[T_HOST];\n        var head = componentHost.projection[tNode.projection];\n        if (Array.isArray(head)) {\n            try {\n                for (var head_1 = __values(head), head_1_1 = head_1.next(); !head_1_1.done; head_1_1 = head_1.next()) {\n                    var nativeNode_1 = head_1_1.value;\n                    _addQueryMatchR3(nativeNode_1, predicate, matches, elementsOnly, rootNativeNode);\n                }\n            }\n            catch (e_1_1) { e_1 = { error: e_1_1 }; }\n            finally {\n                try {\n                    if (head_1_1 && !head_1_1.done && (_a = head_1.return)) _a.call(head_1);\n                }\n                finally { if (e_1) throw e_1.error; }\n            }\n        }\n        else if (head) {\n            var nextLView = componentView[PARENT];\n            var nextTNode = nextLView[TVIEW].data[head.index];\n            _queryNodeChildrenR3(nextTNode, nextLView, predicate, matches, elementsOnly, rootNativeNode);\n        }\n    }\n    else if (tNode.child) {\n        // Case 4: the TNode is a view.\n        _queryNodeChildrenR3(tNode.child, lView, predicate, matches, elementsOnly, rootNativeNode);\n    }\n    // We don't want to go to the next sibling of the root node.\n    if (rootNativeNode !== nativeNode) {\n        // To determine the next node to be processed, we need to use the next or the projectionNext\n        // link, depending on whether the current node has been projected.\n        var nextTNode = (tNode.flags & 4 /* isProjected */) ? tNode.projectionNext : tNode.next;\n        if (nextTNode) {\n            _queryNodeChildrenR3(nextTNode, lView, predicate, matches, elementsOnly, rootNativeNode);\n        }\n    }\n}\n/**\n * Process all TNodes in a given container.\n *\n * @param lContainer the container to be processed\n * @param predicate the predicate to match\n * @param matches the list of positive matches\n * @param elementsOnly whether only elements should be searched\n * @param rootNativeNode the root native node on which predicate should not be matched\n */\nfunction _queryNodeChildrenInContainerR3(lContainer, predicate, matches, elementsOnly, rootNativeNode) {\n    for (var i = CONTAINER_HEADER_OFFSET; i < lContainer.length; i++) {\n        var childView = lContainer[i];\n        _queryNodeChildrenR3(childView[TVIEW].node, childView, predicate, matches, elementsOnly, rootNativeNode);\n    }\n}\n/**\n * Match the current native node against the predicate.\n *\n * @param nativeNode the current native node\n * @param predicate the predicate to match\n * @param matches the list of positive matches\n * @param elementsOnly whether only elements should be searched\n * @param rootNativeNode the root native node on which predicate should not be matched\n */\nfunction _addQueryMatchR3(nativeNode, predicate, matches, elementsOnly, rootNativeNode) {\n    if (rootNativeNode !== nativeNode) {\n        var debugNode = getDebugNode$1(nativeNode);\n        if (!debugNode) {\n            return;\n        }\n        // Type of the \"predicate and \"matches\" array are set based on the value of\n        // the \"elementsOnly\" parameter. TypeScript is not able to properly infer these\n        // types with generics, so we manually cast the parameters accordingly.\n        if (elementsOnly && debugNode instanceof DebugElement__POST_R3__ && predicate(debugNode) &&\n            matches.indexOf(debugNode) === -1) {\n            matches.push(debugNode);\n        }\n        else if (!elementsOnly && predicate(debugNode) &&\n            matches.indexOf(debugNode) === -1) {\n            matches.push(debugNode);\n        }\n    }\n}\n/**\n * Match all the descendants of a DOM node against a predicate.\n *\n * @param nativeNode the current native node\n * @param predicate the predicate to match\n * @param matches the list of positive matches\n * @param elementsOnly whether only elements should be searched\n */\nfunction _queryNativeNodeDescendants(parentNode, predicate, matches, elementsOnly) {\n    var nodes = parentNode.childNodes;\n    var length = nodes.length;\n    for (var i = 0; i < length; i++) {\n        var node = nodes[i];\n        var debugNode = getDebugNode$1(node);\n        if (debugNode) {\n            if (elementsOnly && debugNode instanceof DebugElement__POST_R3__ && predicate(debugNode) &&\n                matches.indexOf(debugNode) === -1) {\n                matches.push(debugNode);\n            }\n            else if (!elementsOnly && predicate(debugNode) &&\n                matches.indexOf(debugNode) === -1) {\n                matches.push(debugNode);\n            }\n            _queryNativeNodeDescendants(node, predicate, matches, elementsOnly);\n        }\n    }\n}\n/**\n * Iterates through the property bindings for a given node and generates\n * a map of property names to values. This map only contains property bindings\n * defined in templates, not in host bindings.\n */\nfunction collectPropertyBindings(properties, tNode, lView, tData) {\n    var bindingIndexes = tNode.propertyBindings;\n    if (bindingIndexes !== null) {\n        for (var i = 0; i < bindingIndexes.length; i++) {\n            var bindingIndex = bindingIndexes[i];\n            var propMetadata = tData[bindingIndex];\n            var metadataParts = propMetadata.split(INTERPOLATION_DELIMITER);\n            var propertyName = metadataParts[0];\n            if (metadataParts.length > 1) {\n                var value = metadataParts[1];\n                for (var j = 1; j < metadataParts.length - 1; j++) {\n                    value += renderStringify(lView[bindingIndex + j - 1]) + metadataParts[j + 1];\n                }\n                properties[propertyName] = value;\n            }\n            else {\n                properties[propertyName] = lView[bindingIndex];\n            }\n        }\n    }\n}\n// Need to keep the nodes in a global Map so that multiple angular apps are supported.\nvar _nativeNodeToDebugNode = new Map();\nfunction getDebugNode__PRE_R3__(nativeNode) {\n    return _nativeNodeToDebugNode.get(nativeNode) || null;\n}\nvar NG_DEBUG_PROPERTY = '__ng_debug__';\nfunction getDebugNode__POST_R3__(nativeNode) {\n    if (nativeNode instanceof Node) {\n        if (!(nativeNode.hasOwnProperty(NG_DEBUG_PROPERTY))) {\n            nativeNode[NG_DEBUG_PROPERTY] = nativeNode.nodeType == Node.ELEMENT_NODE ?\n                new DebugElement__POST_R3__(nativeNode) :\n                new DebugNode__POST_R3__(nativeNode);\n        }\n        return nativeNode[NG_DEBUG_PROPERTY];\n    }\n    return null;\n}\n/**\n * @publicApi\n */\nvar getDebugNode$1 = getDebugNode__PRE_R3__;\nfunction getDebugNodeR2__PRE_R3__(nativeNode) {\n    return getDebugNode__PRE_R3__(nativeNode);\n}\nfunction getDebugNodeR2__POST_R3__(_nativeNode) {\n    return null;\n}\nvar getDebugNodeR2 = getDebugNodeR2__PRE_R3__;\nfunction getAllDebugNodes() {\n    return Array.from(_nativeNodeToDebugNode.values());\n}\nfunction indexDebugNode(node) {\n    _nativeNodeToDebugNode.set(node.nativeNode, node);\n}\nfunction removeDebugNodeFromIndex(node) {\n    _nativeNodeToDebugNode.delete(node.nativeNode);\n}\n/**\n * @publicApi\n */\nvar DebugNode = DebugNode__PRE_R3__;\n/**\n * @publicApi\n */\nvar DebugElement = DebugElement__PRE_R3__;\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar _CORE_PLATFORM_PROVIDERS = [\n    // Set a default platform name for platforms that don't set it explicitly.\n    { provide: PLATFORM_ID, useValue: 'unknown' },\n    { provide: PlatformRef, deps: [Injector] },\n    { provide: TestabilityRegistry, deps: [] },\n    { provide: Console, deps: [] },\n];\n/**\n * This platform has to be included in any other platform\n *\n * @publicApi\n */\nvar platformCore = createPlatformFactory(null, 'core', _CORE_PLATFORM_PROVIDERS);\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction _iterableDiffersFactory() {\n    return defaultIterableDiffers;\n}\nfunction _keyValueDiffersFactory() {\n    return defaultKeyValueDiffers;\n}\nfunction _localeFactory(locale) {\n    locale = locale || getGlobalLocale();\n    if (ivyEnabled) {\n        setLocaleId(locale);\n    }\n    return locale;\n}\n/**\n * Work out the locale from the potential global properties.\n *\n * * Closure Compiler: use `goog.LOCALE`.\n * * Ivy enabled: use `$localize.locale`\n */\nfunction getGlobalLocale() {\n    if (typeof ngI18nClosureMode !== 'undefined' && ngI18nClosureMode &&\n        typeof goog !== 'undefined' && goog.LOCALE !== 'en') {\n        // * The default `goog.LOCALE` value is `en`, while Angular used `en-US`.\n        // * In order to preserve backwards compatibility, we use Angular default value over\n        //   Closure Compiler's one.\n        return goog.LOCALE;\n    }\n    else {\n        // KEEP `typeof $localize !== 'undefined' && $localize.locale` IN SYNC WITH THE LOCALIZE\n        // COMPILE-TIME INLINER.\n        //\n        // * During compile time inlining of translations the expression will be replaced\n        //   with a string literal that is the current locale. Other forms of this expression are not\n        //   guaranteed to be replaced.\n        //\n        // * During runtime translation evaluation, the developer is required to set `$localize.locale`\n        //   if required, or just to provide their own `LOCALE_ID` provider.\n        return (ivyEnabled && typeof $localize !== 'undefined' && $localize.locale) ||\n            DEFAULT_LOCALE_ID;\n    }\n}\nvar ɵ0$g = USD_CURRENCY_CODE;\n/**\n * A built-in [dependency injection token](guide/glossary#di-token)\n * that is used to configure the root injector for bootstrapping.\n */\nvar APPLICATION_MODULE_PROVIDERS = [\n    {\n        provide: ApplicationRef,\n        useClass: ApplicationRef,\n        deps: [NgZone, Console, Injector, ErrorHandler, ComponentFactoryResolver, ApplicationInitStatus]\n    },\n    { provide: SCHEDULER, deps: [NgZone], useFactory: zoneSchedulerFactory },\n    {\n        provide: ApplicationInitStatus,\n        useClass: ApplicationInitStatus,\n        deps: [[new Optional(), APP_INITIALIZER]]\n    },\n    { provide: Compiler, useClass: Compiler, deps: [] },\n    APP_ID_RANDOM_PROVIDER,\n    { provide: IterableDiffers, useFactory: _iterableDiffersFactory, deps: [] },\n    { provide: KeyValueDiffers, useFactory: _keyValueDiffersFactory, deps: [] },\n    {\n        provide: LOCALE_ID$1,\n        useFactory: _localeFactory,\n        deps: [[new Inject(LOCALE_ID$1), new Optional(), new SkipSelf()]]\n    },\n    { provide: DEFAULT_CURRENCY_CODE, useValue: ɵ0$g },\n];\n/**\n * Schedule work at next available slot.\n *\n * In Ivy this is just `requestAnimationFrame`. For compatibility reasons when bootstrapped\n * using `platformRef.bootstrap` we need to use `NgZone.onStable` as the scheduling mechanism.\n * This overrides the scheduling mechanism in Ivy to `NgZone.onStable`.\n *\n * @param ngZone NgZone to use for scheduling.\n */\nfunction zoneSchedulerFactory(ngZone) {\n    var queue = [];\n    ngZone.onStable.subscribe(function () {\n        while (queue.length) {\n            queue.pop()();\n        }\n    });\n    return function (fn) { queue.push(fn); };\n}\n/**\n * Configures the root injector for an app with\n * providers of `@angular/core` dependencies that `ApplicationRef` needs\n * to bootstrap components.\n *\n * Re-exported by `BrowserModule`, which is included automatically in the root\n * `AppModule` when you create a new app with the CLI `new` command.\n *\n * @publicApi\n */\nvar ApplicationModule = /** @class */ (function () {\n    // Inject ApplicationRef to make it eager...\n    function ApplicationModule(appRef) {\n    }\n    ApplicationModule = __decorate([\n        NgModule({ providers: APPLICATION_MODULE_PROVIDERS }),\n        __metadata(\"design:paramtypes\", [ApplicationRef])\n    ], ApplicationModule);\n    return ApplicationModule;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction anchorDef(flags, matchedQueriesDsl, ngContentIndex, childCount, handleEvent, templateFactory) {\n    flags |= 1 /* TypeElement */;\n    var _a = splitMatchedQueriesDsl(matchedQueriesDsl), matchedQueries = _a.matchedQueries, references = _a.references, matchedQueryIds = _a.matchedQueryIds;\n    var template = templateFactory ? resolveDefinition(templateFactory) : null;\n    return {\n        // will bet set by the view definition\n        nodeIndex: -1,\n        parent: null,\n        renderParent: null,\n        bindingIndex: -1,\n        outputIndex: -1,\n        // regular values\n        flags: flags,\n        checkIndex: -1,\n        childFlags: 0,\n        directChildFlags: 0,\n        childMatchedQueries: 0, matchedQueries: matchedQueries, matchedQueryIds: matchedQueryIds, references: references, ngContentIndex: ngContentIndex, childCount: childCount,\n        bindings: [],\n        bindingFlags: 0,\n        outputs: [],\n        element: {\n            ns: null,\n            name: null,\n            attrs: null, template: template,\n            componentProvider: null,\n            componentView: null,\n            componentRendererType: null,\n            publicProviders: null,\n            allProviders: null,\n            handleEvent: handleEvent || NOOP\n        },\n        provider: null,\n        text: null,\n        query: null,\n        ngContent: null\n    };\n}\nfunction elementDef(checkIndex, flags, matchedQueriesDsl, ngContentIndex, childCount, namespaceAndName, fixedAttrs, bindings, outputs, handleEvent, componentView, componentRendererType) {\n    var _a;\n    if (fixedAttrs === void 0) { fixedAttrs = []; }\n    if (!handleEvent) {\n        handleEvent = NOOP;\n    }\n    var _b = splitMatchedQueriesDsl(matchedQueriesDsl), matchedQueries = _b.matchedQueries, references = _b.references, matchedQueryIds = _b.matchedQueryIds;\n    var ns = null;\n    var name = null;\n    if (namespaceAndName) {\n        _a = __read(splitNamespace(namespaceAndName), 2), ns = _a[0], name = _a[1];\n    }\n    bindings = bindings || [];\n    var bindingDefs = [];\n    for (var i = 0; i < bindings.length; i++) {\n        var _c = __read(bindings[i], 3), bindingFlags = _c[0], namespaceAndName_1 = _c[1], suffixOrSecurityContext = _c[2];\n        var _d = __read(splitNamespace(namespaceAndName_1), 2), ns_1 = _d[0], name_1 = _d[1];\n        var securityContext = undefined;\n        var suffix = undefined;\n        switch (bindingFlags & 15 /* Types */) {\n            case 4 /* TypeElementStyle */:\n                suffix = suffixOrSecurityContext;\n                break;\n            case 1 /* TypeElementAttribute */:\n            case 8 /* TypeProperty */:\n                securityContext = suffixOrSecurityContext;\n                break;\n        }\n        bindingDefs[i] =\n            { flags: bindingFlags, ns: ns_1, name: name_1, nonMinifiedName: name_1, securityContext: securityContext, suffix: suffix };\n    }\n    outputs = outputs || [];\n    var outputDefs = [];\n    for (var i = 0; i < outputs.length; i++) {\n        var _e = __read(outputs[i], 2), target = _e[0], eventName = _e[1];\n        outputDefs[i] = {\n            type: 0 /* ElementOutput */,\n            target: target, eventName: eventName,\n            propName: null\n        };\n    }\n    fixedAttrs = fixedAttrs || [];\n    var attrs = fixedAttrs.map(function (_a) {\n        var _b = __read(_a, 2), namespaceAndName = _b[0], value = _b[1];\n        var _c = __read(splitNamespace(namespaceAndName), 2), ns = _c[0], name = _c[1];\n        return [ns, name, value];\n    });\n    componentRendererType = resolveRendererType2(componentRendererType);\n    if (componentView) {\n        flags |= 33554432 /* ComponentView */;\n    }\n    flags |= 1 /* TypeElement */;\n    return {\n        // will bet set by the view definition\n        nodeIndex: -1,\n        parent: null,\n        renderParent: null,\n        bindingIndex: -1,\n        outputIndex: -1,\n        // regular values\n        checkIndex: checkIndex,\n        flags: flags,\n        childFlags: 0,\n        directChildFlags: 0,\n        childMatchedQueries: 0, matchedQueries: matchedQueries, matchedQueryIds: matchedQueryIds, references: references, ngContentIndex: ngContentIndex, childCount: childCount,\n        bindings: bindingDefs,\n        bindingFlags: calcBindingFlags(bindingDefs),\n        outputs: outputDefs,\n        element: {\n            ns: ns,\n            name: name,\n            attrs: attrs,\n            template: null,\n            // will bet set by the view definition\n            componentProvider: null,\n            componentView: componentView || null,\n            componentRendererType: componentRendererType,\n            publicProviders: null,\n            allProviders: null,\n            handleEvent: handleEvent || NOOP,\n        },\n        provider: null,\n        text: null,\n        query: null,\n        ngContent: null\n    };\n}\nfunction createElement(view, renderHost, def) {\n    var elDef = def.element;\n    var rootSelectorOrNode = view.root.selectorOrNode;\n    var renderer = view.renderer;\n    var el;\n    if (view.parent || !rootSelectorOrNode) {\n        if (elDef.name) {\n            el = renderer.createElement(elDef.name, elDef.ns);\n        }\n        else {\n            el = renderer.createComment('');\n        }\n        var parentEl = getParentRenderElement(view, renderHost, def);\n        if (parentEl) {\n            renderer.appendChild(parentEl, el);\n        }\n    }\n    else {\n        // when using native Shadow DOM, do not clear the root element contents to allow slot projection\n        var preserveContent = (!!elDef.componentRendererType &&\n            elDef.componentRendererType.encapsulation === ViewEncapsulation$1.ShadowDom);\n        el = renderer.selectRootElement(rootSelectorOrNode, preserveContent);\n    }\n    if (elDef.attrs) {\n        for (var i = 0; i < elDef.attrs.length; i++) {\n            var _a = __read(elDef.attrs[i], 3), ns = _a[0], name_2 = _a[1], value = _a[2];\n            renderer.setAttribute(el, name_2, value, ns);\n        }\n    }\n    return el;\n}\nfunction listenToElementOutputs(view, compView, def, el) {\n    for (var i = 0; i < def.outputs.length; i++) {\n        var output = def.outputs[i];\n        var handleEventClosure = renderEventHandlerClosure(view, def.nodeIndex, elementEventFullName(output.target, output.eventName));\n        var listenTarget = output.target;\n        var listenerView = view;\n        if (output.target === 'component') {\n            listenTarget = null;\n            listenerView = compView;\n        }\n        var disposable = listenerView.renderer.listen(listenTarget || el, output.eventName, handleEventClosure);\n        view.disposables[def.outputIndex + i] = disposable;\n    }\n}\nfunction renderEventHandlerClosure(view, index, eventName) {\n    return function (event) { return dispatchEvent(view, index, eventName, event); };\n}\nfunction checkAndUpdateElementInline(view, def, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {\n    var bindLen = def.bindings.length;\n    var changed = false;\n    if (bindLen > 0 && checkAndUpdateElementValue(view, def, 0, v0))\n        changed = true;\n    if (bindLen > 1 && checkAndUpdateElementValue(view, def, 1, v1))\n        changed = true;\n    if (bindLen > 2 && checkAndUpdateElementValue(view, def, 2, v2))\n        changed = true;\n    if (bindLen > 3 && checkAndUpdateElementValue(view, def, 3, v3))\n        changed = true;\n    if (bindLen > 4 && checkAndUpdateElementValue(view, def, 4, v4))\n        changed = true;\n    if (bindLen > 5 && checkAndUpdateElementValue(view, def, 5, v5))\n        changed = true;\n    if (bindLen > 6 && checkAndUpdateElementValue(view, def, 6, v6))\n        changed = true;\n    if (bindLen > 7 && checkAndUpdateElementValue(view, def, 7, v7))\n        changed = true;\n    if (bindLen > 8 && checkAndUpdateElementValue(view, def, 8, v8))\n        changed = true;\n    if (bindLen > 9 && checkAndUpdateElementValue(view, def, 9, v9))\n        changed = true;\n    return changed;\n}\nfunction checkAndUpdateElementDynamic(view, def, values) {\n    var changed = false;\n    for (var i = 0; i < values.length; i++) {\n        if (checkAndUpdateElementValue(view, def, i, values[i]))\n            changed = true;\n    }\n    return changed;\n}\nfunction checkAndUpdateElementValue(view, def, bindingIdx, value) {\n    if (!checkAndUpdateBinding(view, def, bindingIdx, value)) {\n        return false;\n    }\n    var binding = def.bindings[bindingIdx];\n    var elData = asElementData(view, def.nodeIndex);\n    var renderNode = elData.renderElement;\n    var name = binding.name;\n    switch (binding.flags & 15 /* Types */) {\n        case 1 /* TypeElementAttribute */:\n            setElementAttribute(view, binding, renderNode, binding.ns, name, value);\n            break;\n        case 2 /* TypeElementClass */:\n            setElementClass(view, renderNode, name, value);\n            break;\n        case 4 /* TypeElementStyle */:\n            setElementStyle(view, binding, renderNode, name, value);\n            break;\n        case 8 /* TypeProperty */:\n            var bindView = (def.flags & 33554432 /* ComponentView */ &&\n                binding.flags & 32 /* SyntheticHostProperty */) ?\n                elData.componentView :\n                view;\n            setElementProperty(bindView, binding, renderNode, name, value);\n            break;\n    }\n    return true;\n}\nfunction setElementAttribute(view, binding, renderNode, ns, name, value) {\n    var securityContext = binding.securityContext;\n    var renderValue = securityContext ? view.root.sanitizer.sanitize(securityContext, value) : value;\n    renderValue = renderValue != null ? renderValue.toString() : null;\n    var renderer = view.renderer;\n    if (value != null) {\n        renderer.setAttribute(renderNode, name, renderValue, ns);\n    }\n    else {\n        renderer.removeAttribute(renderNode, name, ns);\n    }\n}\nfunction setElementClass(view, renderNode, name, value) {\n    var renderer = view.renderer;\n    if (value) {\n        renderer.addClass(renderNode, name);\n    }\n    else {\n        renderer.removeClass(renderNode, name);\n    }\n}\nfunction setElementStyle(view, binding, renderNode, name, value) {\n    var renderValue = view.root.sanitizer.sanitize(SecurityContext.STYLE, value);\n    if (renderValue != null) {\n        renderValue = renderValue.toString();\n        var unit = binding.suffix;\n        if (unit != null) {\n            renderValue = renderValue + unit;\n        }\n    }\n    else {\n        renderValue = null;\n    }\n    var renderer = view.renderer;\n    if (renderValue != null) {\n        renderer.setStyle(renderNode, name, renderValue);\n    }\n    else {\n        renderer.removeStyle(renderNode, name);\n    }\n}\nfunction setElementProperty(view, binding, renderNode, name, value) {\n    var securityContext = binding.securityContext;\n    var renderValue = securityContext ? view.root.sanitizer.sanitize(securityContext, value) : value;\n    view.renderer.setProperty(renderNode, name, renderValue);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction queryDef(flags, id, bindings) {\n    var bindingDefs = [];\n    for (var propName in bindings) {\n        var bindingType = bindings[propName];\n        bindingDefs.push({ propName: propName, bindingType: bindingType });\n    }\n    return {\n        // will bet set by the view definition\n        nodeIndex: -1,\n        parent: null,\n        renderParent: null,\n        bindingIndex: -1,\n        outputIndex: -1,\n        // regular values\n        // TODO(vicb): check\n        checkIndex: -1, flags: flags,\n        childFlags: 0,\n        directChildFlags: 0,\n        childMatchedQueries: 0,\n        ngContentIndex: -1,\n        matchedQueries: {},\n        matchedQueryIds: 0,\n        references: {},\n        childCount: 0,\n        bindings: [],\n        bindingFlags: 0,\n        outputs: [],\n        element: null,\n        provider: null,\n        text: null,\n        query: { id: id, filterId: filterQueryId(id), bindings: bindingDefs },\n        ngContent: null\n    };\n}\nfunction createQuery() {\n    return new QueryList();\n}\nfunction dirtyParentQueries(view) {\n    var queryIds = view.def.nodeMatchedQueries;\n    while (view.parent && isEmbeddedView(view)) {\n        var tplDef = view.parentNodeDef;\n        view = view.parent;\n        // content queries\n        var end = tplDef.nodeIndex + tplDef.childCount;\n        for (var i = 0; i <= end; i++) {\n            var nodeDef = view.def.nodes[i];\n            if ((nodeDef.flags & 67108864 /* TypeContentQuery */) &&\n                (nodeDef.flags & 536870912 /* DynamicQuery */) &&\n                (nodeDef.query.filterId & queryIds) === nodeDef.query.filterId) {\n                asQueryList(view, i).setDirty();\n            }\n            if ((nodeDef.flags & 1 /* TypeElement */ && i + nodeDef.childCount < tplDef.nodeIndex) ||\n                !(nodeDef.childFlags & 67108864 /* TypeContentQuery */) ||\n                !(nodeDef.childFlags & 536870912 /* DynamicQuery */)) {\n                // skip elements that don't contain the template element or no query.\n                i += nodeDef.childCount;\n            }\n        }\n    }\n    // view queries\n    if (view.def.nodeFlags & 134217728 /* TypeViewQuery */) {\n        for (var i = 0; i < view.def.nodes.length; i++) {\n            var nodeDef = view.def.nodes[i];\n            if ((nodeDef.flags & 134217728 /* TypeViewQuery */) && (nodeDef.flags & 536870912 /* DynamicQuery */)) {\n                asQueryList(view, i).setDirty();\n            }\n            // only visit the root nodes\n            i += nodeDef.childCount;\n        }\n    }\n}\nfunction checkAndUpdateQuery(view, nodeDef) {\n    var queryList = asQueryList(view, nodeDef.nodeIndex);\n    if (!queryList.dirty) {\n        return;\n    }\n    var directiveInstance;\n    var newValues = undefined;\n    if (nodeDef.flags & 67108864 /* TypeContentQuery */) {\n        var elementDef = nodeDef.parent.parent;\n        newValues = calcQueryValues(view, elementDef.nodeIndex, elementDef.nodeIndex + elementDef.childCount, nodeDef.query, []);\n        directiveInstance = asProviderData(view, nodeDef.parent.nodeIndex).instance;\n    }\n    else if (nodeDef.flags & 134217728 /* TypeViewQuery */) {\n        newValues = calcQueryValues(view, 0, view.def.nodes.length - 1, nodeDef.query, []);\n        directiveInstance = view.component;\n    }\n    queryList.reset(newValues);\n    var bindings = nodeDef.query.bindings;\n    var notify = false;\n    for (var i = 0; i < bindings.length; i++) {\n        var binding = bindings[i];\n        var boundValue = void 0;\n        switch (binding.bindingType) {\n            case 0 /* First */:\n                boundValue = queryList.first;\n                break;\n            case 1 /* All */:\n                boundValue = queryList;\n                notify = true;\n                break;\n        }\n        directiveInstance[binding.propName] = boundValue;\n    }\n    if (notify) {\n        queryList.notifyOnChanges();\n    }\n}\nfunction calcQueryValues(view, startIndex, endIndex, queryDef, values) {\n    for (var i = startIndex; i <= endIndex; i++) {\n        var nodeDef = view.def.nodes[i];\n        var valueType = nodeDef.matchedQueries[queryDef.id];\n        if (valueType != null) {\n            values.push(getQueryValue(view, nodeDef, valueType));\n        }\n        if (nodeDef.flags & 1 /* TypeElement */ && nodeDef.element.template &&\n            (nodeDef.element.template.nodeMatchedQueries & queryDef.filterId) ===\n                queryDef.filterId) {\n            var elementData = asElementData(view, i);\n            // check embedded views that were attached at the place of their template,\n            // but process child nodes first if some match the query (see issue #16568)\n            if ((nodeDef.childMatchedQueries & queryDef.filterId) === queryDef.filterId) {\n                calcQueryValues(view, i + 1, i + nodeDef.childCount, queryDef, values);\n                i += nodeDef.childCount;\n            }\n            if (nodeDef.flags & 16777216 /* EmbeddedViews */) {\n                var embeddedViews = elementData.viewContainer._embeddedViews;\n                for (var k = 0; k < embeddedViews.length; k++) {\n                    var embeddedView = embeddedViews[k];\n                    var dvc = declaredViewContainer(embeddedView);\n                    if (dvc && dvc === elementData) {\n                        calcQueryValues(embeddedView, 0, embeddedView.def.nodes.length - 1, queryDef, values);\n                    }\n                }\n            }\n            var projectedViews = elementData.template._projectedViews;\n            if (projectedViews) {\n                for (var k = 0; k < projectedViews.length; k++) {\n                    var projectedView = projectedViews[k];\n                    calcQueryValues(projectedView, 0, projectedView.def.nodes.length - 1, queryDef, values);\n                }\n            }\n        }\n        if ((nodeDef.childMatchedQueries & queryDef.filterId) !== queryDef.filterId) {\n            // if no child matches the query, skip the children.\n            i += nodeDef.childCount;\n        }\n    }\n    return values;\n}\nfunction getQueryValue(view, nodeDef, queryValueType) {\n    if (queryValueType != null) {\n        // a match\n        switch (queryValueType) {\n            case 1 /* RenderElement */:\n                return asElementData(view, nodeDef.nodeIndex).renderElement;\n            case 0 /* ElementRef */:\n                return new ElementRef(asElementData(view, nodeDef.nodeIndex).renderElement);\n            case 2 /* TemplateRef */:\n                return asElementData(view, nodeDef.nodeIndex).template;\n            case 3 /* ViewContainerRef */:\n                return asElementData(view, nodeDef.nodeIndex).viewContainer;\n            case 4 /* Provider */:\n                return asProviderData(view, nodeDef.nodeIndex).instance;\n        }\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction ngContentDef(ngContentIndex, index) {\n    return {\n        // will bet set by the view definition\n        nodeIndex: -1,\n        parent: null,\n        renderParent: null,\n        bindingIndex: -1,\n        outputIndex: -1,\n        // regular values\n        checkIndex: -1,\n        flags: 8 /* TypeNgContent */,\n        childFlags: 0,\n        directChildFlags: 0,\n        childMatchedQueries: 0,\n        matchedQueries: {},\n        matchedQueryIds: 0,\n        references: {}, ngContentIndex: ngContentIndex,\n        childCount: 0,\n        bindings: [],\n        bindingFlags: 0,\n        outputs: [],\n        element: null,\n        provider: null,\n        text: null,\n        query: null,\n        ngContent: { index: index }\n    };\n}\nfunction appendNgContent(view, renderHost, def) {\n    var parentEl = getParentRenderElement(view, renderHost, def);\n    if (!parentEl) {\n        // Nothing to do if there is no parent element.\n        return;\n    }\n    var ngContentIndex = def.ngContent.index;\n    visitProjectedRenderNodes(view, ngContentIndex, 1 /* AppendChild */, parentEl, null, undefined);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction purePipeDef(checkIndex, argCount) {\n    // argCount + 1 to include the pipe as first arg\n    return _pureExpressionDef(128 /* TypePurePipe */, checkIndex, newArray(argCount + 1));\n}\nfunction pureArrayDef(checkIndex, argCount) {\n    return _pureExpressionDef(32 /* TypePureArray */, checkIndex, newArray(argCount));\n}\nfunction pureObjectDef(checkIndex, propToIndex) {\n    var keys = Object.keys(propToIndex);\n    var nbKeys = keys.length;\n    var propertyNames = [];\n    for (var i = 0; i < nbKeys; i++) {\n        var key = keys[i];\n        var index = propToIndex[key];\n        propertyNames.push(key);\n    }\n    return _pureExpressionDef(64 /* TypePureObject */, checkIndex, propertyNames);\n}\nfunction _pureExpressionDef(flags, checkIndex, propertyNames) {\n    var bindings = [];\n    for (var i = 0; i < propertyNames.length; i++) {\n        var prop = propertyNames[i];\n        bindings.push({\n            flags: 8 /* TypeProperty */,\n            name: prop,\n            ns: null,\n            nonMinifiedName: prop,\n            securityContext: null,\n            suffix: null\n        });\n    }\n    return {\n        // will bet set by the view definition\n        nodeIndex: -1,\n        parent: null,\n        renderParent: null,\n        bindingIndex: -1,\n        outputIndex: -1,\n        // regular values\n        checkIndex: checkIndex,\n        flags: flags,\n        childFlags: 0,\n        directChildFlags: 0,\n        childMatchedQueries: 0,\n        matchedQueries: {},\n        matchedQueryIds: 0,\n        references: {},\n        ngContentIndex: -1,\n        childCount: 0, bindings: bindings,\n        bindingFlags: calcBindingFlags(bindings),\n        outputs: [],\n        element: null,\n        provider: null,\n        text: null,\n        query: null,\n        ngContent: null\n    };\n}\nfunction createPureExpression(view, def) {\n    return { value: undefined };\n}\nfunction checkAndUpdatePureExpressionInline(view, def, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {\n    var bindings = def.bindings;\n    var changed = false;\n    var bindLen = bindings.length;\n    if (bindLen > 0 && checkAndUpdateBinding(view, def, 0, v0))\n        changed = true;\n    if (bindLen > 1 && checkAndUpdateBinding(view, def, 1, v1))\n        changed = true;\n    if (bindLen > 2 && checkAndUpdateBinding(view, def, 2, v2))\n        changed = true;\n    if (bindLen > 3 && checkAndUpdateBinding(view, def, 3, v3))\n        changed = true;\n    if (bindLen > 4 && checkAndUpdateBinding(view, def, 4, v4))\n        changed = true;\n    if (bindLen > 5 && checkAndUpdateBinding(view, def, 5, v5))\n        changed = true;\n    if (bindLen > 6 && checkAndUpdateBinding(view, def, 6, v6))\n        changed = true;\n    if (bindLen > 7 && checkAndUpdateBinding(view, def, 7, v7))\n        changed = true;\n    if (bindLen > 8 && checkAndUpdateBinding(view, def, 8, v8))\n        changed = true;\n    if (bindLen > 9 && checkAndUpdateBinding(view, def, 9, v9))\n        changed = true;\n    if (changed) {\n        var data = asPureExpressionData(view, def.nodeIndex);\n        var value = void 0;\n        switch (def.flags & 201347067 /* Types */) {\n            case 32 /* TypePureArray */:\n                value = [];\n                if (bindLen > 0)\n                    value.push(v0);\n                if (bindLen > 1)\n                    value.push(v1);\n                if (bindLen > 2)\n                    value.push(v2);\n                if (bindLen > 3)\n                    value.push(v3);\n                if (bindLen > 4)\n                    value.push(v4);\n                if (bindLen > 5)\n                    value.push(v5);\n                if (bindLen > 6)\n                    value.push(v6);\n                if (bindLen > 7)\n                    value.push(v7);\n                if (bindLen > 8)\n                    value.push(v8);\n                if (bindLen > 9)\n                    value.push(v9);\n                break;\n            case 64 /* TypePureObject */:\n                value = {};\n                if (bindLen > 0)\n                    value[bindings[0].name] = v0;\n                if (bindLen > 1)\n                    value[bindings[1].name] = v1;\n                if (bindLen > 2)\n                    value[bindings[2].name] = v2;\n                if (bindLen > 3)\n                    value[bindings[3].name] = v3;\n                if (bindLen > 4)\n                    value[bindings[4].name] = v4;\n                if (bindLen > 5)\n                    value[bindings[5].name] = v5;\n                if (bindLen > 6)\n                    value[bindings[6].name] = v6;\n                if (bindLen > 7)\n                    value[bindings[7].name] = v7;\n                if (bindLen > 8)\n                    value[bindings[8].name] = v8;\n                if (bindLen > 9)\n                    value[bindings[9].name] = v9;\n                break;\n            case 128 /* TypePurePipe */:\n                var pipe = v0;\n                switch (bindLen) {\n                    case 1:\n                        value = pipe.transform(v0);\n                        break;\n                    case 2:\n                        value = pipe.transform(v1);\n                        break;\n                    case 3:\n                        value = pipe.transform(v1, v2);\n                        break;\n                    case 4:\n                        value = pipe.transform(v1, v2, v3);\n                        break;\n                    case 5:\n                        value = pipe.transform(v1, v2, v3, v4);\n                        break;\n                    case 6:\n                        value = pipe.transform(v1, v2, v3, v4, v5);\n                        break;\n                    case 7:\n                        value = pipe.transform(v1, v2, v3, v4, v5, v6);\n                        break;\n                    case 8:\n                        value = pipe.transform(v1, v2, v3, v4, v5, v6, v7);\n                        break;\n                    case 9:\n                        value = pipe.transform(v1, v2, v3, v4, v5, v6, v7, v8);\n                        break;\n                    case 10:\n                        value = pipe.transform(v1, v2, v3, v4, v5, v6, v7, v8, v9);\n                        break;\n                }\n                break;\n        }\n        data.value = value;\n    }\n    return changed;\n}\nfunction checkAndUpdatePureExpressionDynamic(view, def, values) {\n    var bindings = def.bindings;\n    var changed = false;\n    for (var i = 0; i < values.length; i++) {\n        // Note: We need to loop over all values, so that\n        // the old values are updates as well!\n        if (checkAndUpdateBinding(view, def, i, values[i])) {\n            changed = true;\n        }\n    }\n    if (changed) {\n        var data = asPureExpressionData(view, def.nodeIndex);\n        var value = void 0;\n        switch (def.flags & 201347067 /* Types */) {\n            case 32 /* TypePureArray */:\n                value = values;\n                break;\n            case 64 /* TypePureObject */:\n                value = {};\n                for (var i = 0; i < values.length; i++) {\n                    value[bindings[i].name] = values[i];\n                }\n                break;\n            case 128 /* TypePurePipe */:\n                var pipe = values[0];\n                var params = values.slice(1);\n                value = pipe.transform.apply(pipe, __spread(params));\n                break;\n        }\n        data.value = value;\n    }\n    return changed;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction textDef(checkIndex, ngContentIndex, staticText) {\n    var bindings = [];\n    for (var i = 1; i < staticText.length; i++) {\n        bindings[i - 1] = {\n            flags: 8 /* TypeProperty */,\n            name: null,\n            ns: null,\n            nonMinifiedName: null,\n            securityContext: null,\n            suffix: staticText[i],\n        };\n    }\n    return {\n        // will bet set by the view definition\n        nodeIndex: -1,\n        parent: null,\n        renderParent: null,\n        bindingIndex: -1,\n        outputIndex: -1,\n        // regular values\n        checkIndex: checkIndex,\n        flags: 2 /* TypeText */,\n        childFlags: 0,\n        directChildFlags: 0,\n        childMatchedQueries: 0,\n        matchedQueries: {},\n        matchedQueryIds: 0,\n        references: {}, ngContentIndex: ngContentIndex,\n        childCount: 0, bindings: bindings,\n        bindingFlags: 8 /* TypeProperty */,\n        outputs: [],\n        element: null,\n        provider: null,\n        text: { prefix: staticText[0] },\n        query: null,\n        ngContent: null,\n    };\n}\nfunction createText(view, renderHost, def) {\n    var renderNode;\n    var renderer = view.renderer;\n    renderNode = renderer.createText(def.text.prefix);\n    var parentEl = getParentRenderElement(view, renderHost, def);\n    if (parentEl) {\n        renderer.appendChild(parentEl, renderNode);\n    }\n    return { renderText: renderNode };\n}\nfunction checkAndUpdateTextInline(view, def, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {\n    var changed = false;\n    var bindings = def.bindings;\n    var bindLen = bindings.length;\n    if (bindLen > 0 && checkAndUpdateBinding(view, def, 0, v0))\n        changed = true;\n    if (bindLen > 1 && checkAndUpdateBinding(view, def, 1, v1))\n        changed = true;\n    if (bindLen > 2 && checkAndUpdateBinding(view, def, 2, v2))\n        changed = true;\n    if (bindLen > 3 && checkAndUpdateBinding(view, def, 3, v3))\n        changed = true;\n    if (bindLen > 4 && checkAndUpdateBinding(view, def, 4, v4))\n        changed = true;\n    if (bindLen > 5 && checkAndUpdateBinding(view, def, 5, v5))\n        changed = true;\n    if (bindLen > 6 && checkAndUpdateBinding(view, def, 6, v6))\n        changed = true;\n    if (bindLen > 7 && checkAndUpdateBinding(view, def, 7, v7))\n        changed = true;\n    if (bindLen > 8 && checkAndUpdateBinding(view, def, 8, v8))\n        changed = true;\n    if (bindLen > 9 && checkAndUpdateBinding(view, def, 9, v9))\n        changed = true;\n    if (changed) {\n        var value = def.text.prefix;\n        if (bindLen > 0)\n            value += _addInterpolationPart(v0, bindings[0]);\n        if (bindLen > 1)\n            value += _addInterpolationPart(v1, bindings[1]);\n        if (bindLen > 2)\n            value += _addInterpolationPart(v2, bindings[2]);\n        if (bindLen > 3)\n            value += _addInterpolationPart(v3, bindings[3]);\n        if (bindLen > 4)\n            value += _addInterpolationPart(v4, bindings[4]);\n        if (bindLen > 5)\n            value += _addInterpolationPart(v5, bindings[5]);\n        if (bindLen > 6)\n            value += _addInterpolationPart(v6, bindings[6]);\n        if (bindLen > 7)\n            value += _addInterpolationPart(v7, bindings[7]);\n        if (bindLen > 8)\n            value += _addInterpolationPart(v8, bindings[8]);\n        if (bindLen > 9)\n            value += _addInterpolationPart(v9, bindings[9]);\n        var renderNode = asTextData(view, def.nodeIndex).renderText;\n        view.renderer.setValue(renderNode, value);\n    }\n    return changed;\n}\nfunction checkAndUpdateTextDynamic(view, def, values) {\n    var bindings = def.bindings;\n    var changed = false;\n    for (var i = 0; i < values.length; i++) {\n        // Note: We need to loop over all values, so that\n        // the old values are updates as well!\n        if (checkAndUpdateBinding(view, def, i, values[i])) {\n            changed = true;\n        }\n    }\n    if (changed) {\n        var value = '';\n        for (var i = 0; i < values.length; i++) {\n            value = value + _addInterpolationPart(values[i], bindings[i]);\n        }\n        value = def.text.prefix + value;\n        var renderNode = asTextData(view, def.nodeIndex).renderText;\n        view.renderer.setValue(renderNode, value);\n    }\n    return changed;\n}\nfunction _addInterpolationPart(value, binding) {\n    var valueStr = value != null ? value.toString() : '';\n    return valueStr + binding.suffix;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction viewDef(flags, nodes, updateDirectives, updateRenderer) {\n    // clone nodes and set auto calculated values\n    var viewBindingCount = 0;\n    var viewDisposableCount = 0;\n    var viewNodeFlags = 0;\n    var viewRootNodeFlags = 0;\n    var viewMatchedQueries = 0;\n    var currentParent = null;\n    var currentRenderParent = null;\n    var currentElementHasPublicProviders = false;\n    var currentElementHasPrivateProviders = false;\n    var lastRenderRootNode = null;\n    for (var i = 0; i < nodes.length; i++) {\n        var node = nodes[i];\n        node.nodeIndex = i;\n        node.parent = currentParent;\n        node.bindingIndex = viewBindingCount;\n        node.outputIndex = viewDisposableCount;\n        node.renderParent = currentRenderParent;\n        viewNodeFlags |= node.flags;\n        viewMatchedQueries |= node.matchedQueryIds;\n        if (node.element) {\n            var elDef = node.element;\n            elDef.publicProviders =\n                currentParent ? currentParent.element.publicProviders : Object.create(null);\n            elDef.allProviders = elDef.publicProviders;\n            // Note: We assume that all providers of an element are before any child element!\n            currentElementHasPublicProviders = false;\n            currentElementHasPrivateProviders = false;\n            if (node.element.template) {\n                viewMatchedQueries |= node.element.template.nodeMatchedQueries;\n            }\n        }\n        validateNode(currentParent, node, nodes.length);\n        viewBindingCount += node.bindings.length;\n        viewDisposableCount += node.outputs.length;\n        if (!currentRenderParent && (node.flags & 3 /* CatRenderNode */)) {\n            lastRenderRootNode = node;\n        }\n        if (node.flags & 20224 /* CatProvider */) {\n            if (!currentElementHasPublicProviders) {\n                currentElementHasPublicProviders = true;\n                // Use prototypical inheritance to not get O(n^2) complexity...\n                currentParent.element.publicProviders =\n                    Object.create(currentParent.element.publicProviders);\n                currentParent.element.allProviders = currentParent.element.publicProviders;\n            }\n            var isPrivateService = (node.flags & 8192 /* PrivateProvider */) !== 0;\n            var isComponent = (node.flags & 32768 /* Component */) !== 0;\n            if (!isPrivateService || isComponent) {\n                currentParent.element.publicProviders[tokenKey(node.provider.token)] = node;\n            }\n            else {\n                if (!currentElementHasPrivateProviders) {\n                    currentElementHasPrivateProviders = true;\n                    // Use prototypical inheritance to not get O(n^2) complexity...\n                    currentParent.element.allProviders =\n                        Object.create(currentParent.element.publicProviders);\n                }\n                currentParent.element.allProviders[tokenKey(node.provider.token)] = node;\n            }\n            if (isComponent) {\n                currentParent.element.componentProvider = node;\n            }\n        }\n        if (currentParent) {\n            currentParent.childFlags |= node.flags;\n            currentParent.directChildFlags |= node.flags;\n            currentParent.childMatchedQueries |= node.matchedQueryIds;\n            if (node.element && node.element.template) {\n                currentParent.childMatchedQueries |= node.element.template.nodeMatchedQueries;\n            }\n        }\n        else {\n            viewRootNodeFlags |= node.flags;\n        }\n        if (node.childCount > 0) {\n            currentParent = node;\n            if (!isNgContainer(node)) {\n                currentRenderParent = node;\n            }\n        }\n        else {\n            // When the current node has no children, check if it is the last children of its parent.\n            // When it is, propagate the flags up.\n            // The loop is required because an element could be the last transitive children of several\n            // elements. We loop to either the root or the highest opened element (= with remaining\n            // children)\n            while (currentParent && i === currentParent.nodeIndex + currentParent.childCount) {\n                var newParent = currentParent.parent;\n                if (newParent) {\n                    newParent.childFlags |= currentParent.childFlags;\n                    newParent.childMatchedQueries |= currentParent.childMatchedQueries;\n                }\n                currentParent = newParent;\n                // We also need to update the render parent & account for ng-container\n                if (currentParent && isNgContainer(currentParent)) {\n                    currentRenderParent = currentParent.renderParent;\n                }\n                else {\n                    currentRenderParent = currentParent;\n                }\n            }\n        }\n    }\n    var handleEvent = function (view, nodeIndex, eventName, event) {\n        return nodes[nodeIndex].element.handleEvent(view, eventName, event);\n    };\n    return {\n        // Will be filled later...\n        factory: null,\n        nodeFlags: viewNodeFlags,\n        rootNodeFlags: viewRootNodeFlags,\n        nodeMatchedQueries: viewMatchedQueries, flags: flags,\n        nodes: nodes,\n        updateDirectives: updateDirectives || NOOP,\n        updateRenderer: updateRenderer || NOOP, handleEvent: handleEvent,\n        bindingCount: viewBindingCount,\n        outputCount: viewDisposableCount, lastRenderRootNode: lastRenderRootNode\n    };\n}\nfunction isNgContainer(node) {\n    return (node.flags & 1 /* TypeElement */) !== 0 && node.element.name === null;\n}\nfunction validateNode(parent, node, nodeCount) {\n    var template = node.element && node.element.template;\n    if (template) {\n        if (!template.lastRenderRootNode) {\n            throw new Error(\"Illegal State: Embedded templates without nodes are not allowed!\");\n        }\n        if (template.lastRenderRootNode &&\n            template.lastRenderRootNode.flags & 16777216 /* EmbeddedViews */) {\n            throw new Error(\"Illegal State: Last root node of a template can't have embedded views, at index \" + node.nodeIndex + \"!\");\n        }\n    }\n    if (node.flags & 20224 /* CatProvider */) {\n        var parentFlags = parent ? parent.flags : 0;\n        if ((parentFlags & 1 /* TypeElement */) === 0) {\n            throw new Error(\"Illegal State: StaticProvider/Directive nodes need to be children of elements or anchors, at index \" + node.nodeIndex + \"!\");\n        }\n    }\n    if (node.query) {\n        if (node.flags & 67108864 /* TypeContentQuery */ &&\n            (!parent || (parent.flags & 16384 /* TypeDirective */) === 0)) {\n            throw new Error(\"Illegal State: Content Query nodes need to be children of directives, at index \" + node.nodeIndex + \"!\");\n        }\n        if (node.flags & 134217728 /* TypeViewQuery */ && parent) {\n            throw new Error(\"Illegal State: View Query nodes have to be top level nodes, at index \" + node.nodeIndex + \"!\");\n        }\n    }\n    if (node.childCount) {\n        var parentEnd = parent ? parent.nodeIndex + parent.childCount : nodeCount - 1;\n        if (node.nodeIndex <= parentEnd && node.nodeIndex + node.childCount > parentEnd) {\n            throw new Error(\"Illegal State: childCount of node leads outside of parent, at index \" + node.nodeIndex + \"!\");\n        }\n    }\n}\nfunction createEmbeddedView(parent, anchorDef, viewDef, context) {\n    // embedded views are seen as siblings to the anchor, so we need\n    // to get the parent of the anchor and use it as parentIndex.\n    var view = createView(parent.root, parent.renderer, parent, anchorDef, viewDef);\n    initView(view, parent.component, context);\n    createViewNodes(view);\n    return view;\n}\nfunction createRootView(root, def, context) {\n    var view = createView(root, root.renderer, null, null, def);\n    initView(view, context, context);\n    createViewNodes(view);\n    return view;\n}\nfunction createComponentView(parentView, nodeDef, viewDef, hostElement) {\n    var rendererType = nodeDef.element.componentRendererType;\n    var compRenderer;\n    if (!rendererType) {\n        compRenderer = parentView.root.renderer;\n    }\n    else {\n        compRenderer = parentView.root.rendererFactory.createRenderer(hostElement, rendererType);\n    }\n    return createView(parentView.root, compRenderer, parentView, nodeDef.element.componentProvider, viewDef);\n}\nfunction createView(root, renderer, parent, parentNodeDef, def) {\n    var nodes = new Array(def.nodes.length);\n    var disposables = def.outputCount ? new Array(def.outputCount) : null;\n    var view = {\n        def: def,\n        parent: parent,\n        viewContainerParent: null, parentNodeDef: parentNodeDef,\n        context: null,\n        component: null, nodes: nodes,\n        state: 13 /* CatInit */, root: root, renderer: renderer,\n        oldValues: new Array(def.bindingCount), disposables: disposables,\n        initIndex: -1\n    };\n    return view;\n}\nfunction initView(view, component, context) {\n    view.component = component;\n    view.context = context;\n}\nfunction createViewNodes(view) {\n    var renderHost;\n    if (isComponentView(view)) {\n        var hostDef = view.parentNodeDef;\n        renderHost = asElementData(view.parent, hostDef.parent.nodeIndex).renderElement;\n    }\n    var def = view.def;\n    var nodes = view.nodes;\n    for (var i = 0; i < def.nodes.length; i++) {\n        var nodeDef = def.nodes[i];\n        Services.setCurrentNode(view, i);\n        var nodeData = void 0;\n        switch (nodeDef.flags & 201347067 /* Types */) {\n            case 1 /* TypeElement */:\n                var el = createElement(view, renderHost, nodeDef);\n                var componentView = undefined;\n                if (nodeDef.flags & 33554432 /* ComponentView */) {\n                    var compViewDef = resolveDefinition(nodeDef.element.componentView);\n                    componentView = Services.createComponentView(view, nodeDef, compViewDef, el);\n                }\n                listenToElementOutputs(view, componentView, nodeDef, el);\n                nodeData = {\n                    renderElement: el,\n                    componentView: componentView,\n                    viewContainer: null,\n                    template: nodeDef.element.template ? createTemplateData(view, nodeDef) : undefined\n                };\n                if (nodeDef.flags & 16777216 /* EmbeddedViews */) {\n                    nodeData.viewContainer = createViewContainerData(view, nodeDef, nodeData);\n                }\n                break;\n            case 2 /* TypeText */:\n                nodeData = createText(view, renderHost, nodeDef);\n                break;\n            case 512 /* TypeClassProvider */:\n            case 1024 /* TypeFactoryProvider */:\n            case 2048 /* TypeUseExistingProvider */:\n            case 256 /* TypeValueProvider */: {\n                nodeData = nodes[i];\n                if (!nodeData && !(nodeDef.flags & 4096 /* LazyProvider */)) {\n                    var instance = createProviderInstance(view, nodeDef);\n                    nodeData = { instance: instance };\n                }\n                break;\n            }\n            case 16 /* TypePipe */: {\n                var instance = createPipeInstance(view, nodeDef);\n                nodeData = { instance: instance };\n                break;\n            }\n            case 16384 /* TypeDirective */: {\n                nodeData = nodes[i];\n                if (!nodeData) {\n                    var instance = createDirectiveInstance(view, nodeDef);\n                    nodeData = { instance: instance };\n                }\n                if (nodeDef.flags & 32768 /* Component */) {\n                    var compView = asElementData(view, nodeDef.parent.nodeIndex).componentView;\n                    initView(compView, nodeData.instance, nodeData.instance);\n                }\n                break;\n            }\n            case 32 /* TypePureArray */:\n            case 64 /* TypePureObject */:\n            case 128 /* TypePurePipe */:\n                nodeData = createPureExpression(view, nodeDef);\n                break;\n            case 67108864 /* TypeContentQuery */:\n            case 134217728 /* TypeViewQuery */:\n                nodeData = createQuery();\n                break;\n            case 8 /* TypeNgContent */:\n                appendNgContent(view, renderHost, nodeDef);\n                // no runtime data needed for NgContent...\n                nodeData = undefined;\n                break;\n        }\n        nodes[i] = nodeData;\n    }\n    // Create the ViewData.nodes of component views after we created everything else,\n    // so that e.g. ng-content works\n    execComponentViewsAction(view, ViewAction.CreateViewNodes);\n    // fill static content and view queries\n    execQueriesAction(view, 67108864 /* TypeContentQuery */ | 134217728 /* TypeViewQuery */, 268435456 /* StaticQuery */, 0 /* CheckAndUpdate */);\n}\nfunction checkNoChangesView(view) {\n    markProjectedViewsForCheck(view);\n    Services.updateDirectives(view, 1 /* CheckNoChanges */);\n    execEmbeddedViewsAction(view, ViewAction.CheckNoChanges);\n    Services.updateRenderer(view, 1 /* CheckNoChanges */);\n    execComponentViewsAction(view, ViewAction.CheckNoChanges);\n    // Note: We don't check queries for changes as we didn't do this in v2.x.\n    // TODO(tbosch): investigate if we can enable the check again in v5.x with a nicer error message.\n    view.state &= ~(64 /* CheckProjectedViews */ | 32 /* CheckProjectedView */);\n}\nfunction checkAndUpdateView(view) {\n    if (view.state & 1 /* BeforeFirstCheck */) {\n        view.state &= ~1 /* BeforeFirstCheck */;\n        view.state |= 2 /* FirstCheck */;\n    }\n    else {\n        view.state &= ~2 /* FirstCheck */;\n    }\n    shiftInitState(view, 0 /* InitState_BeforeInit */, 256 /* InitState_CallingOnInit */);\n    markProjectedViewsForCheck(view);\n    Services.updateDirectives(view, 0 /* CheckAndUpdate */);\n    execEmbeddedViewsAction(view, ViewAction.CheckAndUpdate);\n    execQueriesAction(view, 67108864 /* TypeContentQuery */, 536870912 /* DynamicQuery */, 0 /* CheckAndUpdate */);\n    var callInit = shiftInitState(view, 256 /* InitState_CallingOnInit */, 512 /* InitState_CallingAfterContentInit */);\n    callLifecycleHooksChildrenFirst(view, 2097152 /* AfterContentChecked */ | (callInit ? 1048576 /* AfterContentInit */ : 0));\n    Services.updateRenderer(view, 0 /* CheckAndUpdate */);\n    execComponentViewsAction(view, ViewAction.CheckAndUpdate);\n    execQueriesAction(view, 134217728 /* TypeViewQuery */, 536870912 /* DynamicQuery */, 0 /* CheckAndUpdate */);\n    callInit = shiftInitState(view, 512 /* InitState_CallingAfterContentInit */, 768 /* InitState_CallingAfterViewInit */);\n    callLifecycleHooksChildrenFirst(view, 8388608 /* AfterViewChecked */ | (callInit ? 4194304 /* AfterViewInit */ : 0));\n    if (view.def.flags & 2 /* OnPush */) {\n        view.state &= ~8 /* ChecksEnabled */;\n    }\n    view.state &= ~(64 /* CheckProjectedViews */ | 32 /* CheckProjectedView */);\n    shiftInitState(view, 768 /* InitState_CallingAfterViewInit */, 1024 /* InitState_AfterInit */);\n}\nfunction checkAndUpdateNode(view, nodeDef, argStyle, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {\n    if (argStyle === 0 /* Inline */) {\n        return checkAndUpdateNodeInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);\n    }\n    else {\n        return checkAndUpdateNodeDynamic(view, nodeDef, v0);\n    }\n}\nfunction markProjectedViewsForCheck(view) {\n    var def = view.def;\n    if (!(def.nodeFlags & 4 /* ProjectedTemplate */)) {\n        return;\n    }\n    for (var i = 0; i < def.nodes.length; i++) {\n        var nodeDef = def.nodes[i];\n        if (nodeDef.flags & 4 /* ProjectedTemplate */) {\n            var projectedViews = asElementData(view, i).template._projectedViews;\n            if (projectedViews) {\n                for (var i_1 = 0; i_1 < projectedViews.length; i_1++) {\n                    var projectedView = projectedViews[i_1];\n                    projectedView.state |= 32 /* CheckProjectedView */;\n                    markParentViewsForCheckProjectedViews(projectedView, view);\n                }\n            }\n        }\n        else if ((nodeDef.childFlags & 4 /* ProjectedTemplate */) === 0) {\n            // a parent with leafs\n            // no child is a component,\n            // then skip the children\n            i += nodeDef.childCount;\n        }\n    }\n}\nfunction checkAndUpdateNodeInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {\n    switch (nodeDef.flags & 201347067 /* Types */) {\n        case 1 /* TypeElement */:\n            return checkAndUpdateElementInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);\n        case 2 /* TypeText */:\n            return checkAndUpdateTextInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);\n        case 16384 /* TypeDirective */:\n            return checkAndUpdateDirectiveInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);\n        case 32 /* TypePureArray */:\n        case 64 /* TypePureObject */:\n        case 128 /* TypePurePipe */:\n            return checkAndUpdatePureExpressionInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);\n        default:\n            throw 'unreachable';\n    }\n}\nfunction checkAndUpdateNodeDynamic(view, nodeDef, values) {\n    switch (nodeDef.flags & 201347067 /* Types */) {\n        case 1 /* TypeElement */:\n            return checkAndUpdateElementDynamic(view, nodeDef, values);\n        case 2 /* TypeText */:\n            return checkAndUpdateTextDynamic(view, nodeDef, values);\n        case 16384 /* TypeDirective */:\n            return checkAndUpdateDirectiveDynamic(view, nodeDef, values);\n        case 32 /* TypePureArray */:\n        case 64 /* TypePureObject */:\n        case 128 /* TypePurePipe */:\n            return checkAndUpdatePureExpressionDynamic(view, nodeDef, values);\n        default:\n            throw 'unreachable';\n    }\n}\nfunction checkNoChangesNode(view, nodeDef, argStyle, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {\n    if (argStyle === 0 /* Inline */) {\n        checkNoChangesNodeInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);\n    }\n    else {\n        checkNoChangesNodeDynamic(view, nodeDef, v0);\n    }\n    // Returning false is ok here as we would have thrown in case of a change.\n    return false;\n}\nfunction checkNoChangesNodeInline(view, nodeDef, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {\n    var bindLen = nodeDef.bindings.length;\n    if (bindLen > 0)\n        checkBindingNoChanges(view, nodeDef, 0, v0);\n    if (bindLen > 1)\n        checkBindingNoChanges(view, nodeDef, 1, v1);\n    if (bindLen > 2)\n        checkBindingNoChanges(view, nodeDef, 2, v2);\n    if (bindLen > 3)\n        checkBindingNoChanges(view, nodeDef, 3, v3);\n    if (bindLen > 4)\n        checkBindingNoChanges(view, nodeDef, 4, v4);\n    if (bindLen > 5)\n        checkBindingNoChanges(view, nodeDef, 5, v5);\n    if (bindLen > 6)\n        checkBindingNoChanges(view, nodeDef, 6, v6);\n    if (bindLen > 7)\n        checkBindingNoChanges(view, nodeDef, 7, v7);\n    if (bindLen > 8)\n        checkBindingNoChanges(view, nodeDef, 8, v8);\n    if (bindLen > 9)\n        checkBindingNoChanges(view, nodeDef, 9, v9);\n}\nfunction checkNoChangesNodeDynamic(view, nodeDef, values) {\n    for (var i = 0; i < values.length; i++) {\n        checkBindingNoChanges(view, nodeDef, i, values[i]);\n    }\n}\n/**\n * Workaround https://github.com/angular/tsickle/issues/497\n * @suppress {misplacedTypeAnnotation}\n */\nfunction checkNoChangesQuery(view, nodeDef) {\n    var queryList = asQueryList(view, nodeDef.nodeIndex);\n    if (queryList.dirty) {\n        throw expressionChangedAfterItHasBeenCheckedError(Services.createDebugContext(view, nodeDef.nodeIndex), \"Query \" + nodeDef.query.id + \" not dirty\", \"Query \" + nodeDef.query.id + \" dirty\", (view.state & 1 /* BeforeFirstCheck */) !== 0);\n    }\n}\nfunction destroyView(view) {\n    if (view.state & 128 /* Destroyed */) {\n        return;\n    }\n    execEmbeddedViewsAction(view, ViewAction.Destroy);\n    execComponentViewsAction(view, ViewAction.Destroy);\n    callLifecycleHooksChildrenFirst(view, 131072 /* OnDestroy */);\n    if (view.disposables) {\n        for (var i = 0; i < view.disposables.length; i++) {\n            view.disposables[i]();\n        }\n    }\n    detachProjectedView(view);\n    if (view.renderer.destroyNode) {\n        destroyViewNodes(view);\n    }\n    if (isComponentView(view)) {\n        view.renderer.destroy();\n    }\n    view.state |= 128 /* Destroyed */;\n}\nfunction destroyViewNodes(view) {\n    var len = view.def.nodes.length;\n    for (var i = 0; i < len; i++) {\n        var def = view.def.nodes[i];\n        if (def.flags & 1 /* TypeElement */) {\n            view.renderer.destroyNode(asElementData(view, i).renderElement);\n        }\n        else if (def.flags & 2 /* TypeText */) {\n            view.renderer.destroyNode(asTextData(view, i).renderText);\n        }\n        else if (def.flags & 67108864 /* TypeContentQuery */ || def.flags & 134217728 /* TypeViewQuery */) {\n            asQueryList(view, i).destroy();\n        }\n    }\n}\nvar ViewAction;\n(function (ViewAction) {\n    ViewAction[ViewAction[\"CreateViewNodes\"] = 0] = \"CreateViewNodes\";\n    ViewAction[ViewAction[\"CheckNoChanges\"] = 1] = \"CheckNoChanges\";\n    ViewAction[ViewAction[\"CheckNoChangesProjectedViews\"] = 2] = \"CheckNoChangesProjectedViews\";\n    ViewAction[ViewAction[\"CheckAndUpdate\"] = 3] = \"CheckAndUpdate\";\n    ViewAction[ViewAction[\"CheckAndUpdateProjectedViews\"] = 4] = \"CheckAndUpdateProjectedViews\";\n    ViewAction[ViewAction[\"Destroy\"] = 5] = \"Destroy\";\n})(ViewAction || (ViewAction = {}));\nfunction execComponentViewsAction(view, action) {\n    var def = view.def;\n    if (!(def.nodeFlags & 33554432 /* ComponentView */)) {\n        return;\n    }\n    for (var i = 0; i < def.nodes.length; i++) {\n        var nodeDef = def.nodes[i];\n        if (nodeDef.flags & 33554432 /* ComponentView */) {\n            // a leaf\n            callViewAction(asElementData(view, i).componentView, action);\n        }\n        else if ((nodeDef.childFlags & 33554432 /* ComponentView */) === 0) {\n            // a parent with leafs\n            // no child is a component,\n            // then skip the children\n            i += nodeDef.childCount;\n        }\n    }\n}\nfunction execEmbeddedViewsAction(view, action) {\n    var def = view.def;\n    if (!(def.nodeFlags & 16777216 /* EmbeddedViews */)) {\n        return;\n    }\n    for (var i = 0; i < def.nodes.length; i++) {\n        var nodeDef = def.nodes[i];\n        if (nodeDef.flags & 16777216 /* EmbeddedViews */) {\n            // a leaf\n            var embeddedViews = asElementData(view, i).viewContainer._embeddedViews;\n            for (var k = 0; k < embeddedViews.length; k++) {\n                callViewAction(embeddedViews[k], action);\n            }\n        }\n        else if ((nodeDef.childFlags & 16777216 /* EmbeddedViews */) === 0) {\n            // a parent with leafs\n            // no child is a component,\n            // then skip the children\n            i += nodeDef.childCount;\n        }\n    }\n}\nfunction callViewAction(view, action) {\n    var viewState = view.state;\n    switch (action) {\n        case ViewAction.CheckNoChanges:\n            if ((viewState & 128 /* Destroyed */) === 0) {\n                if ((viewState & 12 /* CatDetectChanges */) === 12 /* CatDetectChanges */) {\n                    checkNoChangesView(view);\n                }\n                else if (viewState & 64 /* CheckProjectedViews */) {\n                    execProjectedViewsAction(view, ViewAction.CheckNoChangesProjectedViews);\n                }\n            }\n            break;\n        case ViewAction.CheckNoChangesProjectedViews:\n            if ((viewState & 128 /* Destroyed */) === 0) {\n                if (viewState & 32 /* CheckProjectedView */) {\n                    checkNoChangesView(view);\n                }\n                else if (viewState & 64 /* CheckProjectedViews */) {\n                    execProjectedViewsAction(view, action);\n                }\n            }\n            break;\n        case ViewAction.CheckAndUpdate:\n            if ((viewState & 128 /* Destroyed */) === 0) {\n                if ((viewState & 12 /* CatDetectChanges */) === 12 /* CatDetectChanges */) {\n                    checkAndUpdateView(view);\n                }\n                else if (viewState & 64 /* CheckProjectedViews */) {\n                    execProjectedViewsAction(view, ViewAction.CheckAndUpdateProjectedViews);\n                }\n            }\n            break;\n        case ViewAction.CheckAndUpdateProjectedViews:\n            if ((viewState & 128 /* Destroyed */) === 0) {\n                if (viewState & 32 /* CheckProjectedView */) {\n                    checkAndUpdateView(view);\n                }\n                else if (viewState & 64 /* CheckProjectedViews */) {\n                    execProjectedViewsAction(view, action);\n                }\n            }\n            break;\n        case ViewAction.Destroy:\n            // Note: destroyView recurses over all views,\n            // so we don't need to special case projected views here.\n            destroyView(view);\n            break;\n        case ViewAction.CreateViewNodes:\n            createViewNodes(view);\n            break;\n    }\n}\nfunction execProjectedViewsAction(view, action) {\n    execEmbeddedViewsAction(view, action);\n    execComponentViewsAction(view, action);\n}\nfunction execQueriesAction(view, queryFlags, staticDynamicQueryFlag, checkType) {\n    if (!(view.def.nodeFlags & queryFlags) || !(view.def.nodeFlags & staticDynamicQueryFlag)) {\n        return;\n    }\n    var nodeCount = view.def.nodes.length;\n    for (var i = 0; i < nodeCount; i++) {\n        var nodeDef = view.def.nodes[i];\n        if ((nodeDef.flags & queryFlags) && (nodeDef.flags & staticDynamicQueryFlag)) {\n            Services.setCurrentNode(view, nodeDef.nodeIndex);\n            switch (checkType) {\n                case 0 /* CheckAndUpdate */:\n                    checkAndUpdateQuery(view, nodeDef);\n                    break;\n                case 1 /* CheckNoChanges */:\n                    checkNoChangesQuery(view, nodeDef);\n                    break;\n            }\n        }\n        if (!(nodeDef.childFlags & queryFlags) || !(nodeDef.childFlags & staticDynamicQueryFlag)) {\n            // no child has a matching query\n            // then skip the children\n            i += nodeDef.childCount;\n        }\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar initialized = false;\nfunction initServicesIfNeeded() {\n    if (initialized) {\n        return;\n    }\n    initialized = true;\n    var services = isDevMode() ? createDebugServices() : createProdServices();\n    Services.setCurrentNode = services.setCurrentNode;\n    Services.createRootView = services.createRootView;\n    Services.createEmbeddedView = services.createEmbeddedView;\n    Services.createComponentView = services.createComponentView;\n    Services.createNgModuleRef = services.createNgModuleRef;\n    Services.overrideProvider = services.overrideProvider;\n    Services.overrideComponentView = services.overrideComponentView;\n    Services.clearOverrides = services.clearOverrides;\n    Services.checkAndUpdateView = services.checkAndUpdateView;\n    Services.checkNoChangesView = services.checkNoChangesView;\n    Services.destroyView = services.destroyView;\n    Services.resolveDep = resolveDep;\n    Services.createDebugContext = services.createDebugContext;\n    Services.handleEvent = services.handleEvent;\n    Services.updateDirectives = services.updateDirectives;\n    Services.updateRenderer = services.updateRenderer;\n    Services.dirtyParentQueries = dirtyParentQueries;\n}\nfunction createProdServices() {\n    return {\n        setCurrentNode: function () { },\n        createRootView: createProdRootView,\n        createEmbeddedView: createEmbeddedView,\n        createComponentView: createComponentView,\n        createNgModuleRef: createNgModuleRef,\n        overrideProvider: NOOP,\n        overrideComponentView: NOOP,\n        clearOverrides: NOOP,\n        checkAndUpdateView: checkAndUpdateView,\n        checkNoChangesView: checkNoChangesView,\n        destroyView: destroyView,\n        createDebugContext: function (view, nodeIndex) { return new DebugContext_(view, nodeIndex); },\n        handleEvent: function (view, nodeIndex, eventName, event) {\n            return view.def.handleEvent(view, nodeIndex, eventName, event);\n        },\n        updateDirectives: function (view, checkType) { return view.def.updateDirectives(checkType === 0 /* CheckAndUpdate */ ? prodCheckAndUpdateNode :\n            prodCheckNoChangesNode, view); },\n        updateRenderer: function (view, checkType) { return view.def.updateRenderer(checkType === 0 /* CheckAndUpdate */ ? prodCheckAndUpdateNode :\n            prodCheckNoChangesNode, view); },\n    };\n}\nfunction createDebugServices() {\n    return {\n        setCurrentNode: debugSetCurrentNode,\n        createRootView: debugCreateRootView,\n        createEmbeddedView: debugCreateEmbeddedView,\n        createComponentView: debugCreateComponentView,\n        createNgModuleRef: debugCreateNgModuleRef,\n        overrideProvider: debugOverrideProvider,\n        overrideComponentView: debugOverrideComponentView,\n        clearOverrides: debugClearOverrides,\n        checkAndUpdateView: debugCheckAndUpdateView,\n        checkNoChangesView: debugCheckNoChangesView,\n        destroyView: debugDestroyView,\n        createDebugContext: function (view, nodeIndex) { return new DebugContext_(view, nodeIndex); },\n        handleEvent: debugHandleEvent,\n        updateDirectives: debugUpdateDirectives,\n        updateRenderer: debugUpdateRenderer,\n    };\n}\nfunction createProdRootView(elInjector, projectableNodes, rootSelectorOrNode, def, ngModule, context) {\n    var rendererFactory = ngModule.injector.get(RendererFactory2);\n    return createRootView(createRootData(elInjector, ngModule, rendererFactory, projectableNodes, rootSelectorOrNode), def, context);\n}\nfunction debugCreateRootView(elInjector, projectableNodes, rootSelectorOrNode, def, ngModule, context) {\n    var rendererFactory = ngModule.injector.get(RendererFactory2);\n    var root = createRootData(elInjector, ngModule, new DebugRendererFactory2(rendererFactory), projectableNodes, rootSelectorOrNode);\n    var defWithOverride = applyProviderOverridesToView(def);\n    return callWithDebugContext(DebugAction.create, createRootView, null, [root, defWithOverride, context]);\n}\nfunction createRootData(elInjector, ngModule, rendererFactory, projectableNodes, rootSelectorOrNode) {\n    var sanitizer = ngModule.injector.get(Sanitizer);\n    var errorHandler = ngModule.injector.get(ErrorHandler);\n    var renderer = rendererFactory.createRenderer(null, null);\n    return {\n        ngModule: ngModule,\n        injector: elInjector, projectableNodes: projectableNodes,\n        selectorOrNode: rootSelectorOrNode, sanitizer: sanitizer, rendererFactory: rendererFactory, renderer: renderer, errorHandler: errorHandler\n    };\n}\nfunction debugCreateEmbeddedView(parentView, anchorDef, viewDef, context) {\n    var defWithOverride = applyProviderOverridesToView(viewDef);\n    return callWithDebugContext(DebugAction.create, createEmbeddedView, null, [parentView, anchorDef, defWithOverride, context]);\n}\nfunction debugCreateComponentView(parentView, nodeDef, viewDef, hostElement) {\n    var overrideComponentView = viewDefOverrides.get(nodeDef.element.componentProvider.provider.token);\n    if (overrideComponentView) {\n        viewDef = overrideComponentView;\n    }\n    else {\n        viewDef = applyProviderOverridesToView(viewDef);\n    }\n    return callWithDebugContext(DebugAction.create, createComponentView, null, [parentView, nodeDef, viewDef, hostElement]);\n}\nfunction debugCreateNgModuleRef(moduleType, parentInjector, bootstrapComponents, def) {\n    var defWithOverride = applyProviderOverridesToNgModule(def);\n    return createNgModuleRef(moduleType, parentInjector, bootstrapComponents, defWithOverride);\n}\nvar providerOverrides = new Map();\nvar providerOverridesWithScope = new Map();\nvar viewDefOverrides = new Map();\nfunction debugOverrideProvider(override) {\n    providerOverrides.set(override.token, override);\n    var injectableDef;\n    if (typeof override.token === 'function' && (injectableDef = getInjectableDef(override.token)) &&\n        typeof injectableDef.providedIn === 'function') {\n        providerOverridesWithScope.set(override.token, override);\n    }\n}\nfunction debugOverrideComponentView(comp, compFactory) {\n    var hostViewDef = resolveDefinition(getComponentViewDefinitionFactory(compFactory));\n    var compViewDef = resolveDefinition(hostViewDef.nodes[0].element.componentView);\n    viewDefOverrides.set(comp, compViewDef);\n}\nfunction debugClearOverrides() {\n    providerOverrides.clear();\n    providerOverridesWithScope.clear();\n    viewDefOverrides.clear();\n}\n// Notes about the algorithm:\n// 1) Locate the providers of an element and check if one of them was overwritten\n// 2) Change the providers of that element\n//\n// We only create new datastructures if we need to, to keep perf impact\n// reasonable.\nfunction applyProviderOverridesToView(def) {\n    if (providerOverrides.size === 0) {\n        return def;\n    }\n    var elementIndicesWithOverwrittenProviders = findElementIndicesWithOverwrittenProviders(def);\n    if (elementIndicesWithOverwrittenProviders.length === 0) {\n        return def;\n    }\n    // clone the whole view definition,\n    // as it maintains references between the nodes that are hard to update.\n    def = def.factory(function () { return NOOP; });\n    for (var i = 0; i < elementIndicesWithOverwrittenProviders.length; i++) {\n        applyProviderOverridesToElement(def, elementIndicesWithOverwrittenProviders[i]);\n    }\n    return def;\n    function findElementIndicesWithOverwrittenProviders(def) {\n        var elIndicesWithOverwrittenProviders = [];\n        var lastElementDef = null;\n        for (var i = 0; i < def.nodes.length; i++) {\n            var nodeDef = def.nodes[i];\n            if (nodeDef.flags & 1 /* TypeElement */) {\n                lastElementDef = nodeDef;\n            }\n            if (lastElementDef && nodeDef.flags & 3840 /* CatProviderNoDirective */ &&\n                providerOverrides.has(nodeDef.provider.token)) {\n                elIndicesWithOverwrittenProviders.push(lastElementDef.nodeIndex);\n                lastElementDef = null;\n            }\n        }\n        return elIndicesWithOverwrittenProviders;\n    }\n    function applyProviderOverridesToElement(viewDef, elIndex) {\n        for (var i = elIndex + 1; i < viewDef.nodes.length; i++) {\n            var nodeDef = viewDef.nodes[i];\n            if (nodeDef.flags & 1 /* TypeElement */) {\n                // stop at the next element\n                return;\n            }\n            if (nodeDef.flags & 3840 /* CatProviderNoDirective */) {\n                var provider = nodeDef.provider;\n                var override = providerOverrides.get(provider.token);\n                if (override) {\n                    nodeDef.flags = (nodeDef.flags & ~3840 /* CatProviderNoDirective */) | override.flags;\n                    provider.deps = splitDepsDsl(override.deps);\n                    provider.value = override.value;\n                }\n            }\n        }\n    }\n}\n// Notes about the algorithm:\n// We only create new datastructures if we need to, to keep perf impact\n// reasonable.\nfunction applyProviderOverridesToNgModule(def) {\n    var _a = calcHasOverrides(def), hasOverrides = _a.hasOverrides, hasDeprecatedOverrides = _a.hasDeprecatedOverrides;\n    if (!hasOverrides) {\n        return def;\n    }\n    // clone the whole view definition,\n    // as it maintains references between the nodes that are hard to update.\n    def = def.factory(function () { return NOOP; });\n    applyProviderOverrides(def);\n    return def;\n    function calcHasOverrides(def) {\n        var hasOverrides = false;\n        var hasDeprecatedOverrides = false;\n        if (providerOverrides.size === 0) {\n            return { hasOverrides: hasOverrides, hasDeprecatedOverrides: hasDeprecatedOverrides };\n        }\n        def.providers.forEach(function (node) {\n            var override = providerOverrides.get(node.token);\n            if ((node.flags & 3840 /* CatProviderNoDirective */) && override) {\n                hasOverrides = true;\n                hasDeprecatedOverrides = hasDeprecatedOverrides || override.deprecatedBehavior;\n            }\n        });\n        def.modules.forEach(function (module) {\n            providerOverridesWithScope.forEach(function (override, token) {\n                if (getInjectableDef(token).providedIn === module) {\n                    hasOverrides = true;\n                    hasDeprecatedOverrides = hasDeprecatedOverrides || override.deprecatedBehavior;\n                }\n            });\n        });\n        return { hasOverrides: hasOverrides, hasDeprecatedOverrides: hasDeprecatedOverrides };\n    }\n    function applyProviderOverrides(def) {\n        for (var i = 0; i < def.providers.length; i++) {\n            var provider = def.providers[i];\n            if (hasDeprecatedOverrides) {\n                // We had a bug where me made\n                // all providers lazy. Keep this logic behind a flag\n                // for migrating existing users.\n                provider.flags |= 4096 /* LazyProvider */;\n            }\n            var override = providerOverrides.get(provider.token);\n            if (override) {\n                provider.flags = (provider.flags & ~3840 /* CatProviderNoDirective */) | override.flags;\n                provider.deps = splitDepsDsl(override.deps);\n                provider.value = override.value;\n            }\n        }\n        if (providerOverridesWithScope.size > 0) {\n            var moduleSet_1 = new Set(def.modules);\n            providerOverridesWithScope.forEach(function (override, token) {\n                if (moduleSet_1.has(getInjectableDef(token).providedIn)) {\n                    var provider = {\n                        token: token,\n                        flags: override.flags | (hasDeprecatedOverrides ? 4096 /* LazyProvider */ : 0 /* None */),\n                        deps: splitDepsDsl(override.deps),\n                        value: override.value,\n                        index: def.providers.length,\n                    };\n                    def.providers.push(provider);\n                    def.providersByKey[tokenKey(token)] = provider;\n                }\n            });\n        }\n    }\n}\nfunction prodCheckAndUpdateNode(view, checkIndex, argStyle, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {\n    var nodeDef = view.def.nodes[checkIndex];\n    checkAndUpdateNode(view, nodeDef, argStyle, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);\n    return (nodeDef.flags & 224 /* CatPureExpression */) ?\n        asPureExpressionData(view, checkIndex).value :\n        undefined;\n}\nfunction prodCheckNoChangesNode(view, checkIndex, argStyle, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9) {\n    var nodeDef = view.def.nodes[checkIndex];\n    checkNoChangesNode(view, nodeDef, argStyle, v0, v1, v2, v3, v4, v5, v6, v7, v8, v9);\n    return (nodeDef.flags & 224 /* CatPureExpression */) ?\n        asPureExpressionData(view, checkIndex).value :\n        undefined;\n}\nfunction debugCheckAndUpdateView(view) {\n    return callWithDebugContext(DebugAction.detectChanges, checkAndUpdateView, null, [view]);\n}\nfunction debugCheckNoChangesView(view) {\n    return callWithDebugContext(DebugAction.checkNoChanges, checkNoChangesView, null, [view]);\n}\nfunction debugDestroyView(view) {\n    return callWithDebugContext(DebugAction.destroy, destroyView, null, [view]);\n}\nvar DebugAction;\n(function (DebugAction) {\n    DebugAction[DebugAction[\"create\"] = 0] = \"create\";\n    DebugAction[DebugAction[\"detectChanges\"] = 1] = \"detectChanges\";\n    DebugAction[DebugAction[\"checkNoChanges\"] = 2] = \"checkNoChanges\";\n    DebugAction[DebugAction[\"destroy\"] = 3] = \"destroy\";\n    DebugAction[DebugAction[\"handleEvent\"] = 4] = \"handleEvent\";\n})(DebugAction || (DebugAction = {}));\nvar _currentAction;\nvar _currentView;\nvar _currentNodeIndex;\nfunction debugSetCurrentNode(view, nodeIndex) {\n    _currentView = view;\n    _currentNodeIndex = nodeIndex;\n}\nfunction debugHandleEvent(view, nodeIndex, eventName, event) {\n    debugSetCurrentNode(view, nodeIndex);\n    return callWithDebugContext(DebugAction.handleEvent, view.def.handleEvent, null, [view, nodeIndex, eventName, event]);\n}\nfunction debugUpdateDirectives(view, checkType) {\n    if (view.state & 128 /* Destroyed */) {\n        throw viewDestroyedError(DebugAction[_currentAction]);\n    }\n    debugSetCurrentNode(view, nextDirectiveWithBinding(view, 0));\n    return view.def.updateDirectives(debugCheckDirectivesFn, view);\n    function debugCheckDirectivesFn(view, nodeIndex, argStyle) {\n        var values = [];\n        for (var _i = 3; _i < arguments.length; _i++) {\n            values[_i - 3] = arguments[_i];\n        }\n        var nodeDef = view.def.nodes[nodeIndex];\n        if (checkType === 0 /* CheckAndUpdate */) {\n            debugCheckAndUpdateNode(view, nodeDef, argStyle, values);\n        }\n        else {\n            debugCheckNoChangesNode(view, nodeDef, argStyle, values);\n        }\n        if (nodeDef.flags & 16384 /* TypeDirective */) {\n            debugSetCurrentNode(view, nextDirectiveWithBinding(view, nodeIndex));\n        }\n        return (nodeDef.flags & 224 /* CatPureExpression */) ?\n            asPureExpressionData(view, nodeDef.nodeIndex).value :\n            undefined;\n    }\n}\nfunction debugUpdateRenderer(view, checkType) {\n    if (view.state & 128 /* Destroyed */) {\n        throw viewDestroyedError(DebugAction[_currentAction]);\n    }\n    debugSetCurrentNode(view, nextRenderNodeWithBinding(view, 0));\n    return view.def.updateRenderer(debugCheckRenderNodeFn, view);\n    function debugCheckRenderNodeFn(view, nodeIndex, argStyle) {\n        var values = [];\n        for (var _i = 3; _i < arguments.length; _i++) {\n            values[_i - 3] = arguments[_i];\n        }\n        var nodeDef = view.def.nodes[nodeIndex];\n        if (checkType === 0 /* CheckAndUpdate */) {\n            debugCheckAndUpdateNode(view, nodeDef, argStyle, values);\n        }\n        else {\n            debugCheckNoChangesNode(view, nodeDef, argStyle, values);\n        }\n        if (nodeDef.flags & 3 /* CatRenderNode */) {\n            debugSetCurrentNode(view, nextRenderNodeWithBinding(view, nodeIndex));\n        }\n        return (nodeDef.flags & 224 /* CatPureExpression */) ?\n            asPureExpressionData(view, nodeDef.nodeIndex).value :\n            undefined;\n    }\n}\nfunction debugCheckAndUpdateNode(view, nodeDef, argStyle, givenValues) {\n    var changed = checkAndUpdateNode.apply(void 0, __spread([view, nodeDef, argStyle], givenValues));\n    if (changed) {\n        var values = argStyle === 1 /* Dynamic */ ? givenValues[0] : givenValues;\n        if (nodeDef.flags & 16384 /* TypeDirective */) {\n            var bindingValues = {};\n            for (var i = 0; i < nodeDef.bindings.length; i++) {\n                var binding = nodeDef.bindings[i];\n                var value = values[i];\n                if (binding.flags & 8 /* TypeProperty */) {\n                    bindingValues[normalizeDebugBindingName(binding.nonMinifiedName)] =\n                        normalizeDebugBindingValue(value);\n                }\n            }\n            var elDef = nodeDef.parent;\n            var el = asElementData(view, elDef.nodeIndex).renderElement;\n            if (!elDef.element.name) {\n                // a comment.\n                view.renderer.setValue(el, \"bindings=\" + JSON.stringify(bindingValues, null, 2));\n            }\n            else {\n                // a regular element.\n                for (var attr in bindingValues) {\n                    var value = bindingValues[attr];\n                    if (value != null) {\n                        view.renderer.setAttribute(el, attr, value);\n                    }\n                    else {\n                        view.renderer.removeAttribute(el, attr);\n                    }\n                }\n            }\n        }\n    }\n}\nfunction debugCheckNoChangesNode(view, nodeDef, argStyle, values) {\n    checkNoChangesNode.apply(void 0, __spread([view, nodeDef, argStyle], values));\n}\nfunction nextDirectiveWithBinding(view, nodeIndex) {\n    for (var i = nodeIndex; i < view.def.nodes.length; i++) {\n        var nodeDef = view.def.nodes[i];\n        if (nodeDef.flags & 16384 /* TypeDirective */ && nodeDef.bindings && nodeDef.bindings.length) {\n            return i;\n        }\n    }\n    return null;\n}\nfunction nextRenderNodeWithBinding(view, nodeIndex) {\n    for (var i = nodeIndex; i < view.def.nodes.length; i++) {\n        var nodeDef = view.def.nodes[i];\n        if ((nodeDef.flags & 3 /* CatRenderNode */) && nodeDef.bindings && nodeDef.bindings.length) {\n            return i;\n        }\n    }\n    return null;\n}\nvar DebugContext_ = /** @class */ (function () {\n    function DebugContext_(view, nodeIndex) {\n        this.view = view;\n        this.nodeIndex = nodeIndex;\n        if (nodeIndex == null) {\n            this.nodeIndex = nodeIndex = 0;\n        }\n        this.nodeDef = view.def.nodes[nodeIndex];\n        var elDef = this.nodeDef;\n        var elView = view;\n        while (elDef && (elDef.flags & 1 /* TypeElement */) === 0) {\n            elDef = elDef.parent;\n        }\n        if (!elDef) {\n            while (!elDef && elView) {\n                elDef = viewParentEl(elView);\n                elView = elView.parent;\n            }\n        }\n        this.elDef = elDef;\n        this.elView = elView;\n    }\n    Object.defineProperty(DebugContext_.prototype, \"elOrCompView\", {\n        get: function () {\n            // Has to be done lazily as we use the DebugContext also during creation of elements...\n            return asElementData(this.elView, this.elDef.nodeIndex).componentView || this.view;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugContext_.prototype, \"injector\", {\n        get: function () { return createInjector$1(this.elView, this.elDef); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugContext_.prototype, \"component\", {\n        get: function () { return this.elOrCompView.component; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugContext_.prototype, \"context\", {\n        get: function () { return this.elOrCompView.context; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugContext_.prototype, \"providerTokens\", {\n        get: function () {\n            var tokens = [];\n            if (this.elDef) {\n                for (var i = this.elDef.nodeIndex + 1; i <= this.elDef.nodeIndex + this.elDef.childCount; i++) {\n                    var childDef = this.elView.def.nodes[i];\n                    if (childDef.flags & 20224 /* CatProvider */) {\n                        tokens.push(childDef.provider.token);\n                    }\n                    i += childDef.childCount;\n                }\n            }\n            return tokens;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugContext_.prototype, \"references\", {\n        get: function () {\n            var references = {};\n            if (this.elDef) {\n                collectReferences(this.elView, this.elDef, references);\n                for (var i = this.elDef.nodeIndex + 1; i <= this.elDef.nodeIndex + this.elDef.childCount; i++) {\n                    var childDef = this.elView.def.nodes[i];\n                    if (childDef.flags & 20224 /* CatProvider */) {\n                        collectReferences(this.elView, childDef, references);\n                    }\n                    i += childDef.childCount;\n                }\n            }\n            return references;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugContext_.prototype, \"componentRenderElement\", {\n        get: function () {\n            var elData = findHostElement(this.elOrCompView);\n            return elData ? elData.renderElement : undefined;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(DebugContext_.prototype, \"renderNode\", {\n        get: function () {\n            return this.nodeDef.flags & 2 /* TypeText */ ? renderNode(this.view, this.nodeDef) :\n                renderNode(this.elView, this.elDef);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    DebugContext_.prototype.logError = function (console) {\n        var values = [];\n        for (var _i = 1; _i < arguments.length; _i++) {\n            values[_i - 1] = arguments[_i];\n        }\n        var logViewDef;\n        var logNodeIndex;\n        if (this.nodeDef.flags & 2 /* TypeText */) {\n            logViewDef = this.view.def;\n            logNodeIndex = this.nodeDef.nodeIndex;\n        }\n        else {\n            logViewDef = this.elView.def;\n            logNodeIndex = this.elDef.nodeIndex;\n        }\n        // Note: we only generate a log function for text and element nodes\n        // to make the generated code as small as possible.\n        var renderNodeIndex = getRenderNodeIndex(logViewDef, logNodeIndex);\n        var currRenderNodeIndex = -1;\n        var nodeLogger = function () {\n            var _a;\n            currRenderNodeIndex++;\n            if (currRenderNodeIndex === renderNodeIndex) {\n                return (_a = console.error).bind.apply(_a, __spread([console], values));\n            }\n            else {\n                return NOOP;\n            }\n        };\n        logViewDef.factory(nodeLogger);\n        if (currRenderNodeIndex < renderNodeIndex) {\n            console.error('Illegal state: the ViewDefinitionFactory did not call the logger!');\n            console.error.apply(console, __spread(values));\n        }\n    };\n    return DebugContext_;\n}());\nfunction getRenderNodeIndex(viewDef, nodeIndex) {\n    var renderNodeIndex = -1;\n    for (var i = 0; i <= nodeIndex; i++) {\n        var nodeDef = viewDef.nodes[i];\n        if (nodeDef.flags & 3 /* CatRenderNode */) {\n            renderNodeIndex++;\n        }\n    }\n    return renderNodeIndex;\n}\nfunction findHostElement(view) {\n    while (view && !isComponentView(view)) {\n        view = view.parent;\n    }\n    if (view.parent) {\n        return asElementData(view.parent, viewParentEl(view).nodeIndex);\n    }\n    return null;\n}\nfunction collectReferences(view, nodeDef, references) {\n    for (var refName in nodeDef.references) {\n        references[refName] = getQueryValue(view, nodeDef, nodeDef.references[refName]);\n    }\n}\nfunction callWithDebugContext(action, fn, self, args) {\n    var oldAction = _currentAction;\n    var oldView = _currentView;\n    var oldNodeIndex = _currentNodeIndex;\n    try {\n        _currentAction = action;\n        var result = fn.apply(self, args);\n        _currentView = oldView;\n        _currentNodeIndex = oldNodeIndex;\n        _currentAction = oldAction;\n        return result;\n    }\n    catch (e) {\n        if (isViewDebugError(e) || !_currentView) {\n            throw e;\n        }\n        throw viewWrappedDebugError(e, getCurrentDebugContext());\n    }\n}\nfunction getCurrentDebugContext() {\n    return _currentView ? new DebugContext_(_currentView, _currentNodeIndex) : null;\n}\nvar DebugRendererFactory2 = /** @class */ (function () {\n    function DebugRendererFactory2(delegate) {\n        this.delegate = delegate;\n    }\n    DebugRendererFactory2.prototype.createRenderer = function (element, renderData) {\n        return new DebugRenderer2(this.delegate.createRenderer(element, renderData));\n    };\n    DebugRendererFactory2.prototype.begin = function () {\n        if (this.delegate.begin) {\n            this.delegate.begin();\n        }\n    };\n    DebugRendererFactory2.prototype.end = function () {\n        if (this.delegate.end) {\n            this.delegate.end();\n        }\n    };\n    DebugRendererFactory2.prototype.whenRenderingDone = function () {\n        if (this.delegate.whenRenderingDone) {\n            return this.delegate.whenRenderingDone();\n        }\n        return Promise.resolve(null);\n    };\n    return DebugRendererFactory2;\n}());\nvar DebugRenderer2 = /** @class */ (function () {\n    function DebugRenderer2(delegate) {\n        this.delegate = delegate;\n        /**\n         * Factory function used to create a `DebugContext` when a node is created.\n         *\n         * The `DebugContext` allows to retrieve information about the nodes that are useful in tests.\n         *\n         * The factory is configurable so that the `DebugRenderer2` could instantiate either a View Engine\n         * or a Render context.\n         */\n        this.debugContextFactory = getCurrentDebugContext;\n        this.data = this.delegate.data;\n    }\n    DebugRenderer2.prototype.createDebugContext = function (nativeElement) { return this.debugContextFactory(nativeElement); };\n    DebugRenderer2.prototype.destroyNode = function (node) {\n        var debugNode = getDebugNode$1(node);\n        removeDebugNodeFromIndex(debugNode);\n        if (debugNode instanceof DebugNode__PRE_R3__) {\n            debugNode.listeners.length = 0;\n        }\n        if (this.delegate.destroyNode) {\n            this.delegate.destroyNode(node);\n        }\n    };\n    DebugRenderer2.prototype.destroy = function () { this.delegate.destroy(); };\n    DebugRenderer2.prototype.createElement = function (name, namespace) {\n        var el = this.delegate.createElement(name, namespace);\n        var debugCtx = this.createDebugContext(el);\n        if (debugCtx) {\n            var debugEl = new DebugElement__PRE_R3__(el, null, debugCtx);\n            debugEl.name = name;\n            indexDebugNode(debugEl);\n        }\n        return el;\n    };\n    DebugRenderer2.prototype.createComment = function (value) {\n        var comment = this.delegate.createComment(value);\n        var debugCtx = this.createDebugContext(comment);\n        if (debugCtx) {\n            indexDebugNode(new DebugNode__PRE_R3__(comment, null, debugCtx));\n        }\n        return comment;\n    };\n    DebugRenderer2.prototype.createText = function (value) {\n        var text = this.delegate.createText(value);\n        var debugCtx = this.createDebugContext(text);\n        if (debugCtx) {\n            indexDebugNode(new DebugNode__PRE_R3__(text, null, debugCtx));\n        }\n        return text;\n    };\n    DebugRenderer2.prototype.appendChild = function (parent, newChild) {\n        var debugEl = getDebugNode$1(parent);\n        var debugChildEl = getDebugNode$1(newChild);\n        if (debugEl && debugChildEl && debugEl instanceof DebugElement__PRE_R3__) {\n            debugEl.addChild(debugChildEl);\n        }\n        this.delegate.appendChild(parent, newChild);\n    };\n    DebugRenderer2.prototype.insertBefore = function (parent, newChild, refChild) {\n        var debugEl = getDebugNode$1(parent);\n        var debugChildEl = getDebugNode$1(newChild);\n        var debugRefEl = getDebugNode$1(refChild);\n        if (debugEl && debugChildEl && debugEl instanceof DebugElement__PRE_R3__) {\n            debugEl.insertBefore(debugRefEl, debugChildEl);\n        }\n        this.delegate.insertBefore(parent, newChild, refChild);\n    };\n    DebugRenderer2.prototype.removeChild = function (parent, oldChild) {\n        var debugEl = getDebugNode$1(parent);\n        var debugChildEl = getDebugNode$1(oldChild);\n        if (debugEl && debugChildEl && debugEl instanceof DebugElement__PRE_R3__) {\n            debugEl.removeChild(debugChildEl);\n        }\n        this.delegate.removeChild(parent, oldChild);\n    };\n    DebugRenderer2.prototype.selectRootElement = function (selectorOrNode, preserveContent) {\n        var el = this.delegate.selectRootElement(selectorOrNode, preserveContent);\n        var debugCtx = getCurrentDebugContext();\n        if (debugCtx) {\n            indexDebugNode(new DebugElement__PRE_R3__(el, null, debugCtx));\n        }\n        return el;\n    };\n    DebugRenderer2.prototype.setAttribute = function (el, name, value, namespace) {\n        var debugEl = getDebugNode$1(el);\n        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {\n            var fullName = namespace ? namespace + ':' + name : name;\n            debugEl.attributes[fullName] = value;\n        }\n        this.delegate.setAttribute(el, name, value, namespace);\n    };\n    DebugRenderer2.prototype.removeAttribute = function (el, name, namespace) {\n        var debugEl = getDebugNode$1(el);\n        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {\n            var fullName = namespace ? namespace + ':' + name : name;\n            debugEl.attributes[fullName] = null;\n        }\n        this.delegate.removeAttribute(el, name, namespace);\n    };\n    DebugRenderer2.prototype.addClass = function (el, name) {\n        var debugEl = getDebugNode$1(el);\n        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {\n            debugEl.classes[name] = true;\n        }\n        this.delegate.addClass(el, name);\n    };\n    DebugRenderer2.prototype.removeClass = function (el, name) {\n        var debugEl = getDebugNode$1(el);\n        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {\n            debugEl.classes[name] = false;\n        }\n        this.delegate.removeClass(el, name);\n    };\n    DebugRenderer2.prototype.setStyle = function (el, style, value, flags) {\n        var debugEl = getDebugNode$1(el);\n        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {\n            debugEl.styles[style] = value;\n        }\n        this.delegate.setStyle(el, style, value, flags);\n    };\n    DebugRenderer2.prototype.removeStyle = function (el, style, flags) {\n        var debugEl = getDebugNode$1(el);\n        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {\n            debugEl.styles[style] = null;\n        }\n        this.delegate.removeStyle(el, style, flags);\n    };\n    DebugRenderer2.prototype.setProperty = function (el, name, value) {\n        var debugEl = getDebugNode$1(el);\n        if (debugEl && debugEl instanceof DebugElement__PRE_R3__) {\n            debugEl.properties[name] = value;\n        }\n        this.delegate.setProperty(el, name, value);\n    };\n    DebugRenderer2.prototype.listen = function (target, eventName, callback) {\n        if (typeof target !== 'string') {\n            var debugEl = getDebugNode$1(target);\n            if (debugEl) {\n                debugEl.listeners.push(new DebugEventListener(eventName, callback));\n            }\n        }\n        return this.delegate.listen(target, eventName, callback);\n    };\n    DebugRenderer2.prototype.parentNode = function (node) { return this.delegate.parentNode(node); };\n    DebugRenderer2.prototype.nextSibling = function (node) { return this.delegate.nextSibling(node); };\n    DebugRenderer2.prototype.setValue = function (node, value) { return this.delegate.setValue(node, value); };\n    return DebugRenderer2;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction overrideProvider(override) {\n    initServicesIfNeeded();\n    return Services.overrideProvider(override);\n}\nfunction overrideComponentView(comp, componentFactory) {\n    initServicesIfNeeded();\n    return Services.overrideComponentView(comp, componentFactory);\n}\nfunction clearOverrides() {\n    initServicesIfNeeded();\n    return Services.clearOverrides();\n}\n// Attention: this function is called as top level function.\n// Putting any logic in here will destroy closure tree shaking!\nfunction createNgModuleFactory(ngModuleType, bootstrapComponents, defFactory) {\n    return new NgModuleFactory_(ngModuleType, bootstrapComponents, defFactory);\n}\nfunction cloneNgModuleDefinition(def) {\n    var providers = Array.from(def.providers);\n    var modules = Array.from(def.modules);\n    var providersByKey = {};\n    for (var key in def.providersByKey) {\n        providersByKey[key] = def.providersByKey[key];\n    }\n    return {\n        factory: def.factory,\n        scope: def.scope, providers: providers, modules: modules, providersByKey: providersByKey,\n    };\n}\nvar NgModuleFactory_ = /** @class */ (function (_super) {\n    __extends(NgModuleFactory_, _super);\n    function NgModuleFactory_(moduleType, _bootstrapComponents, _ngModuleDefFactory) {\n        var _this = \n        // Attention: this ctor is called as top level function.\n        // Putting any logic in here will destroy closure tree shaking!\n        _super.call(this) || this;\n        _this.moduleType = moduleType;\n        _this._bootstrapComponents = _bootstrapComponents;\n        _this._ngModuleDefFactory = _ngModuleDefFactory;\n        return _this;\n    }\n    NgModuleFactory_.prototype.create = function (parentInjector) {\n        initServicesIfNeeded();\n        // Clone the NgModuleDefinition so that any tree shakeable provider definition\n        // added to this instance of the NgModuleRef doesn't affect the cached copy.\n        // See https://github.com/angular/angular/issues/25018.\n        var def = cloneNgModuleDefinition(resolveDefinition(this._ngModuleDefFactory));\n        return Services.createNgModuleRef(this.moduleType, parentInjector || Injector.NULL, this._bootstrapComponents, def);\n    };\n    return NgModuleFactory_;\n}(NgModuleFactory));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// clang-format on\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nif (ngDevMode) {\n    // This helper is to give a reasonable error message to people upgrading to v9 that have not yet\n    // installed `@angular/localize` in their app.\n    // tslint:disable-next-line: no-toplevel-property-access\n    _global.$localize = _global.$localize || function () {\n        throw new Error('It looks like your application or one of its dependencies is using i18n.\\n' +\n            'Angular 9 introduced a global `$localize()` function that needs to be loaded.\\n' +\n            'Please run `ng add @angular/localize` from the Angular CLI.\\n' +\n            '(For non-CLI projects, add `import \\'@angular/localize/init\\';` to your `polyfills.ts` file.\\n' +\n            'For server-side rendering applications add the import to your `main.server.ts` file.)');\n    };\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// This file only reexports content of the `src` folder. Keep it that way.\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { ANALYZE_FOR_ENTRY_COMPONENTS, APP_BOOTSTRAP_LISTENER, APP_ID, APP_INITIALIZER, ApplicationInitStatus, ApplicationModule, ApplicationRef, Attribute, COMPILER_OPTIONS, CUSTOM_ELEMENTS_SCHEMA, ChangeDetectionStrategy, ChangeDetectorRef, Compiler, CompilerFactory, Component, ComponentFactory, ComponentFactoryResolver, ComponentRef, ContentChild, ContentChildren, DEFAULT_CURRENCY_CODE, DebugElement, DebugEventListener, DebugNode, DefaultIterableDiffer, Directive, ElementRef, EmbeddedViewRef, ErrorHandler, EventEmitter, Host, HostBinding, HostListener, INJECTOR, Inject, InjectFlags, Injectable, InjectionToken, Injector, Input, IterableDiffers, KeyValueDiffers, LOCALE_ID$1 as LOCALE_ID, MissingTranslationStrategy, ModuleWithComponentFactories, NO_ERRORS_SCHEMA, NgModule, NgModuleFactory, NgModuleFactoryLoader, NgModuleRef, NgProbeToken, NgZone, Optional, Output, PACKAGE_ROOT_URL, PLATFORM_ID, PLATFORM_INITIALIZER, Pipe, PlatformRef, Query, QueryList, ReflectiveInjector, ReflectiveKey, Renderer2, RendererFactory2, RendererStyleFlags2, ResolvedReflectiveFactory, Sanitizer, SecurityContext, Self, SimpleChange, SkipSelf, SystemJsNgModuleLoader, SystemJsNgModuleLoaderConfig, TRANSLATIONS, TRANSLATIONS_FORMAT, TemplateRef, Testability, TestabilityRegistry, Type, VERSION, Version, ViewChild, ViewChildren, ViewContainerRef, ViewEncapsulation$1 as ViewEncapsulation, ViewRef$1 as ViewRef, WrappedValue, asNativeElements, assertPlatform, createPlatform, createPlatformFactory, defineInjectable, destroyPlatform, enableProdMode, forwardRef, getDebugNode$1 as getDebugNode, getModuleFactory, getPlatform, inject, isDevMode, platformCore, resolveForwardRef, setTestabilityGetter, ɵ0, ɵ1, ALLOW_MULTIPLE_PLATFORMS as ɵALLOW_MULTIPLE_PLATFORMS, APP_ID_RANDOM_PROVIDER as ɵAPP_ID_RANDOM_PROVIDER, ChangeDetectorStatus as ɵChangeDetectorStatus, CodegenComponentFactoryResolver as ɵCodegenComponentFactoryResolver, Compiler_compileModuleAndAllComponentsAsync__POST_R3__ as ɵCompiler_compileModuleAndAllComponentsAsync__POST_R3__, Compiler_compileModuleAndAllComponentsSync__POST_R3__ as ɵCompiler_compileModuleAndAllComponentsSync__POST_R3__, Compiler_compileModuleAsync__POST_R3__ as ɵCompiler_compileModuleAsync__POST_R3__, Compiler_compileModuleSync__POST_R3__ as ɵCompiler_compileModuleSync__POST_R3__, ComponentFactory as ɵComponentFactory, Console as ɵConsole, DEFAULT_LOCALE_ID as ɵDEFAULT_LOCALE_ID, EMPTY_ARRAY$4 as ɵEMPTY_ARRAY, EMPTY_MAP as ɵEMPTY_MAP, INJECTOR_IMPL__POST_R3__ as ɵINJECTOR_IMPL__POST_R3__, INJECTOR_SCOPE as ɵINJECTOR_SCOPE, LifecycleHooksFeature as ɵLifecycleHooksFeature, LocaleDataIndex as ɵLocaleDataIndex, NG_COMP_DEF as ɵNG_COMP_DEF, NG_DIR_DEF as ɵNG_DIR_DEF, NG_ELEMENT_ID as ɵNG_ELEMENT_ID, NG_INJ_DEF as ɵNG_INJ_DEF, NG_MOD_DEF as ɵNG_MOD_DEF, NG_PIPE_DEF as ɵNG_PIPE_DEF, NG_PROV_DEF as ɵNG_PROV_DEF, NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR as ɵNOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR, NO_CHANGE as ɵNO_CHANGE, NgModuleFactory$1 as ɵNgModuleFactory, NoopNgZone as ɵNoopNgZone, ReflectionCapabilities as ɵReflectionCapabilities, ComponentFactory$1 as ɵRender3ComponentFactory, ComponentRef$1 as ɵRender3ComponentRef, NgModuleRef$1 as ɵRender3NgModuleRef, SWITCH_CHANGE_DETECTOR_REF_FACTORY__POST_R3__ as ɵSWITCH_CHANGE_DETECTOR_REF_FACTORY__POST_R3__, SWITCH_COMPILE_COMPONENT__POST_R3__ as ɵSWITCH_COMPILE_COMPONENT__POST_R3__, SWITCH_COMPILE_DIRECTIVE__POST_R3__ as ɵSWITCH_COMPILE_DIRECTIVE__POST_R3__, SWITCH_COMPILE_INJECTABLE__POST_R3__ as ɵSWITCH_COMPILE_INJECTABLE__POST_R3__, SWITCH_COMPILE_NGMODULE__POST_R3__ as ɵSWITCH_COMPILE_NGMODULE__POST_R3__, SWITCH_COMPILE_PIPE__POST_R3__ as ɵSWITCH_COMPILE_PIPE__POST_R3__, SWITCH_ELEMENT_REF_FACTORY__POST_R3__ as ɵSWITCH_ELEMENT_REF_FACTORY__POST_R3__, SWITCH_IVY_ENABLED__POST_R3__ as ɵSWITCH_IVY_ENABLED__POST_R3__, SWITCH_RENDERER2_FACTORY__POST_R3__ as ɵSWITCH_RENDERER2_FACTORY__POST_R3__, SWITCH_TEMPLATE_REF_FACTORY__POST_R3__ as ɵSWITCH_TEMPLATE_REF_FACTORY__POST_R3__, SWITCH_VIEW_CONTAINER_REF_FACTORY__POST_R3__ as ɵSWITCH_VIEW_CONTAINER_REF_FACTORY__POST_R3__, _sanitizeHtml as ɵ_sanitizeHtml, _sanitizeStyle as ɵ_sanitizeStyle, _sanitizeUrl as ɵ_sanitizeUrl, allowSanitizationBypassAndThrow as ɵallowSanitizationBypassAndThrow, anchorDef as ɵand, isForwardRef as ɵangular_packages_core_core_a, injectInjectorOnly as ɵangular_packages_core_core_b, getLView as ɵangular_packages_core_core_ba, getPreviousOrParentTNode as ɵangular_packages_core_core_bb, getBindingRoot as ɵangular_packages_core_core_bc, nextContextImpl as ɵangular_packages_core_core_bd, pureFunction1Internal as ɵangular_packages_core_core_bf, pureFunction2Internal as ɵangular_packages_core_core_bg, pureFunction3Internal as ɵangular_packages_core_core_bh, pureFunction4Internal as ɵangular_packages_core_core_bi, pureFunctionVInternal as ɵangular_packages_core_core_bj, getUrlSanitizer as ɵangular_packages_core_core_bk, makeParamDecorator as ɵangular_packages_core_core_bl, makePropDecorator as ɵangular_packages_core_core_bm, getClosureSafeProperty as ɵangular_packages_core_core_bn, noSideEffects as ɵangular_packages_core_core_bp, getRootContext as ɵangular_packages_core_core_bq, NullInjector as ɵangular_packages_core_core_c, ReflectiveInjector_ as ɵangular_packages_core_core_d, ReflectiveDependency as ɵangular_packages_core_core_e, resolveReflectiveProviders as ɵangular_packages_core_core_f, _appIdRandomProviderFactory as ɵangular_packages_core_core_g, createElementRef as ɵangular_packages_core_core_h, createTemplateRef as ɵangular_packages_core_core_i, getModuleFactory__PRE_R3__ as ɵangular_packages_core_core_j, DebugNode__PRE_R3__ as ɵangular_packages_core_core_k, DebugElement__PRE_R3__ as ɵangular_packages_core_core_l, getDebugNodeR2__PRE_R3__ as ɵangular_packages_core_core_m, DefaultIterableDifferFactory as ɵangular_packages_core_core_n, DefaultKeyValueDifferFactory as ɵangular_packages_core_core_o, _iterableDiffersFactory as ɵangular_packages_core_core_p, _keyValueDiffersFactory as ɵangular_packages_core_core_q, _localeFactory as ɵangular_packages_core_core_r, APPLICATION_MODULE_PROVIDERS as ɵangular_packages_core_core_s, zoneSchedulerFactory as ɵangular_packages_core_core_t, USD_CURRENCY_CODE as ɵangular_packages_core_core_u, _def as ɵangular_packages_core_core_v, DebugContext as ɵangular_packages_core_core_w, SCHEDULER as ɵangular_packages_core_core_x, injectAttributeImpl as ɵangular_packages_core_core_y, instructionState as ɵangular_packages_core_core_z, bypassSanitizationTrustHtml as ɵbypassSanitizationTrustHtml, bypassSanitizationTrustResourceUrl as ɵbypassSanitizationTrustResourceUrl, bypassSanitizationTrustScript as ɵbypassSanitizationTrustScript, bypassSanitizationTrustStyle as ɵbypassSanitizationTrustStyle, bypassSanitizationTrustUrl as ɵbypassSanitizationTrustUrl, createComponentFactory as ɵccf, clearOverrides as ɵclearOverrides, clearResolutionOfComponentResourcesQueue as ɵclearResolutionOfComponentResourcesQueue, createNgModuleFactory as ɵcmf, compileComponent as ɵcompileComponent, compileDirective as ɵcompileDirective, compileNgModule as ɵcompileNgModule, compileNgModuleDefs as ɵcompileNgModuleDefs, compileNgModuleFactory__POST_R3__ as ɵcompileNgModuleFactory__POST_R3__, compilePipe as ɵcompilePipe, createInjector as ɵcreateInjector, createRendererType2 as ɵcrt, defaultIterableDiffers as ɵdefaultIterableDiffers, defaultKeyValueDiffers as ɵdefaultKeyValueDiffers, detectChanges as ɵdetectChanges, devModeEqual$1 as ɵdevModeEqual, directiveDef as ɵdid, elementDef as ɵeld, findLocaleData as ɵfindLocaleData, flushModuleScopingQueueAsMuchAsPossible as ɵflushModuleScopingQueueAsMuchAsPossible, getComponentViewDefinitionFactory as ɵgetComponentViewDefinitionFactory, getDebugNodeR2 as ɵgetDebugNodeR2, getDebugNode__POST_R3__ as ɵgetDebugNode__POST_R3__, getDirectives as ɵgetDirectives, getHostElement as ɵgetHostElement, getInjectableDef as ɵgetInjectableDef, getLContext as ɵgetLContext, getLocaleCurrencyCode as ɵgetLocaleCurrencyCode, getLocalePluralCase as ɵgetLocalePluralCase, getModuleFactory__POST_R3__ as ɵgetModuleFactory__POST_R3__, getSanitizationBypassType as ɵgetSanitizationBypassType, _global as ɵglobal, initServicesIfNeeded as ɵinitServicesIfNeeded, inlineInterpolate as ɵinlineInterpolate, interpolate as ɵinterpolate, isBoundToModule__POST_R3__ as ɵisBoundToModule__POST_R3__, isDefaultChangeDetectionStrategy as ɵisDefaultChangeDetectionStrategy, isListLikeIterable$1 as ɵisListLikeIterable, isObservable as ɵisObservable, isPromise as ɵisPromise, ivyEnabled as ɵivyEnabled, looseIdentical as ɵlooseIdentical, makeDecorator as ɵmakeDecorator, markDirty as ɵmarkDirty, moduleDef as ɵmod, moduleProvideDef as ɵmpd, ngContentDef as ɵncd, nodeValue as ɵnov, overrideComponentView as ɵoverrideComponentView, overrideProvider as ɵoverrideProvider, pureArrayDef as ɵpad, patchComponentDefWithScope as ɵpatchComponentDefWithScope, pipeDef as ɵpid, pureObjectDef as ɵpod, purePipeDef as ɵppd, providerDef as ɵprd, publishDefaultGlobalUtils as ɵpublishDefaultGlobalUtils, publishGlobalUtil as ɵpublishGlobalUtil, queryDef as ɵqud, registerLocaleData as ɵregisterLocaleData, registerModuleFactory as ɵregisterModuleFactory, registerNgModuleType as ɵregisterNgModuleType, renderComponent$1 as ɵrenderComponent, resetCompiledComponents as ɵresetCompiledComponents, resolveComponentResources as ɵresolveComponentResources, setClassMetadata as ɵsetClassMetadata, setCurrentInjector as ɵsetCurrentInjector, setDocument as ɵsetDocument, setLocaleId as ɵsetLocaleId, store as ɵstore, stringify as ɵstringify, textDef as ɵted, transitiveScopesFor as ɵtransitiveScopesFor, unregisterAllLocaleData as ɵunregisterLocaleData, unwrapValue as ɵunv, unwrapSafeValue as ɵunwrapSafeValue, viewDef as ɵvid, whenRendered as ɵwhenRendered, ɵɵCopyDefinitionFeature, ɵɵInheritDefinitionFeature, ɵɵNgOnChangesFeature, ɵɵProvidersFeature, ɵɵadvance, ɵɵattribute, ɵɵattributeInterpolate1, ɵɵattributeInterpolate2, ɵɵattributeInterpolate3, ɵɵattributeInterpolate4, ɵɵattributeInterpolate5, ɵɵattributeInterpolate6, ɵɵattributeInterpolate7, ɵɵattributeInterpolate8, ɵɵattributeInterpolateV, ɵɵclassMap, ɵɵclassMapInterpolate1, ɵɵclassMapInterpolate2, ɵɵclassMapInterpolate3, ɵɵclassMapInterpolate4, ɵɵclassMapInterpolate5, ɵɵclassMapInterpolate6, ɵɵclassMapInterpolate7, ɵɵclassMapInterpolate8, ɵɵclassMapInterpolateV, ɵɵclassProp, ɵɵcomponentHostSyntheticListener, ɵɵcontainer, ɵɵcontainerRefreshEnd, ɵɵcontainerRefreshStart, ɵɵcontentQuery, ɵɵdefaultStyleSanitizer, ɵɵdefineComponent, ɵɵdefineDirective, ɵɵdefineInjectable, ɵɵdefineInjector, ɵɵdefineNgModule, ɵɵdefinePipe, ɵɵdirectiveInject, ɵɵdisableBindings, ɵɵelement, ɵɵelementContainer, ɵɵelementContainerEnd, ɵɵelementContainerStart, ɵɵelementEnd, ɵɵelementStart, ɵɵembeddedViewEnd, ɵɵembeddedViewStart, ɵɵenableBindings, ɵɵgetCurrentView, ɵɵgetFactoryOf, ɵɵgetInheritedFactory, ɵɵhostProperty, ɵɵi18n, ɵɵi18nApply, ɵɵi18nAttributes, ɵɵi18nEnd, ɵɵi18nExp, ɵɵi18nPostprocess, ɵɵi18nStart, ɵɵinject, ɵɵinjectAttribute, ɵɵinjectPipeChangeDetectorRef, ɵɵinvalidFactory, ɵɵinvalidFactoryDep, ɵɵlistener, ɵɵloadQuery, ɵɵnamespaceHTML, ɵɵnamespaceMathML, ɵɵnamespaceSVG, ɵɵnextContext, ɵɵpipe, ɵɵpipeBind1, ɵɵpipeBind2, ɵɵpipeBind3, ɵɵpipeBind4, ɵɵpipeBindV, ɵɵprojection, ɵɵprojectionDef, ɵɵproperty, ɵɵpropertyInterpolate, ɵɵpropertyInterpolate1, ɵɵpropertyInterpolate2, ɵɵpropertyInterpolate3, ɵɵpropertyInterpolate4, ɵɵpropertyInterpolate5, ɵɵpropertyInterpolate6, ɵɵpropertyInterpolate7, ɵɵpropertyInterpolate8, ɵɵpropertyInterpolateV, ɵɵpureFunction0, ɵɵpureFunction1, ɵɵpureFunction2, ɵɵpureFunction3, ɵɵpureFunction4, ɵɵpureFunction5, ɵɵpureFunction6, ɵɵpureFunction7, ɵɵpureFunction8, ɵɵpureFunctionV, ɵɵqueryRefresh, ɵɵreference, ɵɵresolveBody, ɵɵresolveDocument, ɵɵresolveWindow, ɵɵrestoreView, ɵɵsanitizeHtml, ɵɵsanitizeResourceUrl, ɵɵsanitizeScript, ɵɵsanitizeStyle, ɵɵsanitizeUrl, ɵɵsanitizeUrlOrResourceUrl, ɵɵselect, ɵɵsetComponentScope, ɵɵsetNgModuleScope, ɵɵstaticContentQuery, ɵɵstaticViewQuery, ɵɵstyleMap, ɵɵstyleProp, ɵɵstylePropInterpolate1, ɵɵstylePropInterpolate2, ɵɵstylePropInterpolate3, ɵɵstylePropInterpolate4, ɵɵstylePropInterpolate5, ɵɵstylePropInterpolate6, ɵɵstylePropInterpolate7, ɵɵstylePropInterpolate8, ɵɵstylePropInterpolateV, ɵɵstyleSanitizer, ɵɵtemplate, ɵɵtemplateRefExtractor, ɵɵtext, ɵɵtextInterpolate, ɵɵtextInterpolate1, ɵɵtextInterpolate2, ɵɵtextInterpolate3, ɵɵtextInterpolate4, ɵɵtextInterpolate5, ɵɵtextInterpolate6, ɵɵtextInterpolate7, ɵɵtextInterpolate8, ɵɵtextInterpolateV, ɵɵupdateSyntheticHostBinding, ɵɵviewQuery };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { assert, isArray, eqNaN, isFunction } from 'zrender/lib/core/util';\nimport { parsePercent } from 'zrender/lib/contain/text';\n\nvar ScaleRawExtentInfo =\n/** @class */\nfunction () {\n  function ScaleRawExtentInfo(scale, model, // Usually: data extent from all series on this axis.\n  originalExtent) {\n    this._prepareParams(scale, model, originalExtent);\n  }\n  /**\n   * Parameters depending on ouside (like model, user callback)\n   * are prepared and fixed here.\n   */\n\n\n  ScaleRawExtentInfo.prototype._prepareParams = function (scale, model, // Usually: data extent from all series on this axis.\n  dataExtent) {\n    if (dataExtent[1] < dataExtent[0]) {\n      dataExtent = [NaN, NaN];\n    }\n\n    this._dataMin = dataExtent[0];\n    this._dataMax = dataExtent[1];\n    var isOrdinal = this._isOrdinal = scale.type === 'ordinal';\n    this._needCrossZero = model.getNeedCrossZero && model.getNeedCrossZero();\n    var modelMinRaw = this._modelMinRaw = model.get('min', true);\n\n    if (isFunction(modelMinRaw)) {\n      // This callback alway provide users the full data extent (before data filtered).\n      this._modelMinNum = parseAxisModelMinMax(scale, modelMinRaw({\n        min: dataExtent[0],\n        max: dataExtent[1]\n      }));\n    } else if (modelMinRaw !== 'dataMin') {\n      this._modelMinNum = parseAxisModelMinMax(scale, modelMinRaw);\n    }\n\n    var modelMaxRaw = this._modelMaxRaw = model.get('max', true);\n\n    if (isFunction(modelMaxRaw)) {\n      // This callback alway provide users the full data extent (before data filtered).\n      this._modelMaxNum = parseAxisModelMinMax(scale, modelMaxRaw({\n        min: dataExtent[0],\n        max: dataExtent[1]\n      }));\n    } else if (modelMaxRaw !== 'dataMax') {\n      this._modelMaxNum = parseAxisModelMinMax(scale, modelMaxRaw);\n    }\n\n    if (isOrdinal) {\n      // FIXME: there is a flaw here: if there is no \"block\" data processor like `dataZoom`,\n      // and progressive rendering is using, here the category result might just only contain\n      // the processed chunk rather than the entire result.\n      this._axisDataLen = model.getCategories().length;\n    } else {\n      var boundaryGap = model.get('boundaryGap');\n      var boundaryGapArr = isArray(boundaryGap) ? boundaryGap : [boundaryGap || 0, boundaryGap || 0];\n\n      if (typeof boundaryGapArr[0] === 'boolean' || typeof boundaryGapArr[1] === 'boolean') {\n        if (process.env.NODE_ENV !== 'production') {\n          console.warn('Boolean type for boundaryGap is only ' + 'allowed for ordinal axis. Please use string in ' + 'percentage instead, e.g., \"20%\". Currently, ' + 'boundaryGap is set to be 0.');\n        }\n\n        this._boundaryGapInner = [0, 0];\n      } else {\n        this._boundaryGapInner = [parsePercent(boundaryGapArr[0], 1), parsePercent(boundaryGapArr[1], 1)];\n      }\n    }\n  };\n  /**\n   * Calculate extent by prepared parameters.\n   * This method has no external dependency and can be called duplicatedly,\n   * getting the same result.\n   * If parameters changed, should call this method to recalcuate.\n   */\n\n\n  ScaleRawExtentInfo.prototype.calculate = function () {\n    // Notice: When min/max is not set (that is, when there are null/undefined,\n    // which is the most common case), these cases should be ensured:\n    // (1) For 'ordinal', show all axis.data.\n    // (2) For others:\n    //      + `boundaryGap` is applied (if min/max set, boundaryGap is\n    //      disabled).\n    //      + If `needCrossZero`, min/max should be zero, otherwise, min/max should\n    //      be the result that originalExtent enlarged by boundaryGap.\n    // (3) If no data, it should be ensured that `scale.setBlank` is set.\n    var isOrdinal = this._isOrdinal;\n    var dataMin = this._dataMin;\n    var dataMax = this._dataMax;\n    var axisDataLen = this._axisDataLen;\n    var boundaryGapInner = this._boundaryGapInner;\n    var span = !isOrdinal ? dataMax - dataMin || Math.abs(dataMin) : null; // Currently if a `'value'` axis model min is specified as 'dataMin'/'dataMax',\n    // `boundaryGap` will not be used. It's the different from specifying as `null`/`undefined`.\n\n    var min = this._modelMinRaw === 'dataMin' ? dataMin : this._modelMinNum;\n    var max = this._modelMaxRaw === 'dataMax' ? dataMax : this._modelMaxNum; // If `_modelMinNum`/`_modelMaxNum` is `null`/`undefined`, should not be fixed.\n\n    var minFixed = min != null;\n    var maxFixed = max != null;\n\n    if (min == null) {\n      min = isOrdinal ? axisDataLen ? 0 : NaN : dataMin - boundaryGapInner[0] * span;\n    }\n\n    if (max == null) {\n      max = isOrdinal ? axisDataLen ? axisDataLen - 1 : NaN : dataMax + boundaryGapInner[1] * span;\n    }\n\n    (min == null || !isFinite(min)) && (min = NaN);\n    (max == null || !isFinite(max)) && (max = NaN);\n\n    if (min > max) {\n      min = NaN;\n      max = NaN;\n    }\n\n    var isBlank = eqNaN(min) || eqNaN(max) || isOrdinal && !axisDataLen; // If data extent modified, need to recalculated to ensure cross zero.\n\n    if (this._needCrossZero) {\n      // Axis is over zero and min is not set\n      if (min > 0 && max > 0 && !minFixed) {\n        min = 0; // minFixed = true;\n      } // Axis is under zero and max is not set\n\n\n      if (min < 0 && max < 0 && !maxFixed) {\n        max = 0; // maxFixed = true;\n      } // PENDING:\n      // When `needCrossZero` and all data is positive/negative, should it be ensured\n      // that the results processed by boundaryGap are positive/negative?\n      // If so, here `minFixed`/`maxFixed` need to be set.\n\n    }\n\n    var determinedMin = this._determinedMin;\n    var determinedMax = this._determinedMax;\n\n    if (determinedMin != null) {\n      min = determinedMin;\n      minFixed = true;\n    }\n\n    if (determinedMax != null) {\n      max = determinedMax;\n      maxFixed = true;\n    } // Ensure min/max be finite number or NaN here. (not to be null/undefined)\n    // `NaN` means min/max axis is blank.\n\n\n    return {\n      min: min,\n      max: max,\n      minFixed: minFixed,\n      maxFixed: maxFixed,\n      isBlank: isBlank\n    };\n  };\n\n  ScaleRawExtentInfo.prototype.modifyDataMinMax = function (minMaxName, val) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(!this.frozen);\n    }\n\n    this[DATA_MIN_MAX_ATTR[minMaxName]] = val;\n  };\n\n  ScaleRawExtentInfo.prototype.setDeterminedMinMax = function (minMaxName, val) {\n    var attr = DETERMINED_MIN_MAX_ATTR[minMaxName];\n\n    if (process.env.NODE_ENV !== 'production') {\n      assert(!this.frozen // Earse them usually means logic flaw.\n      && this[attr] == null);\n    }\n\n    this[attr] = val;\n  };\n\n  ScaleRawExtentInfo.prototype.freeze = function () {\n    // @ts-ignore\n    this.frozen = true;\n  };\n\n  return ScaleRawExtentInfo;\n}();\n\nexport { ScaleRawExtentInfo };\nvar DETERMINED_MIN_MAX_ATTR = {\n  min: '_determinedMin',\n  max: '_determinedMax'\n};\nvar DATA_MIN_MAX_ATTR = {\n  min: '_dataMin',\n  max: '_dataMax'\n};\n/**\n * Get scale min max and related info only depends on model settings.\n * This method can be called after coordinate system created.\n * For example, in data processing stage.\n *\n * Scale extent info probably be required multiple times during a workflow.\n * For example:\n * (1) `dataZoom` depends it to get the axis extent in \"100%\" state.\n * (2) `processor/extentCalculator` depends it to make sure whether axis extent is specified.\n * (3) `coordSys.update` use it to finally decide the scale extent.\n * But the callback of `min`/`max` should not be called multiple times.\n * The code below should not be implemented repeatedly either.\n * So we cache the result in the scale instance, which will be recreated at the begining\n * of the workflow (because `scale` instance will be recreated each round of the workflow).\n */\n\nexport function ensureScaleRawExtentInfo(scale, model, // Usually: data extent from all series on this axis.\noriginalExtent) {\n  // Do not permit to recreate.\n  var rawExtentInfo = scale.rawExtentInfo;\n\n  if (rawExtentInfo) {\n    return rawExtentInfo;\n  }\n\n  rawExtentInfo = new ScaleRawExtentInfo(scale, model, originalExtent); // @ts-ignore\n\n  scale.rawExtentInfo = rawExtentInfo;\n  return rawExtentInfo;\n}\nexport function parseAxisModelMinMax(scale, minMax) {\n  return minMax == null ? null : eqNaN(minMax) ? NaN : scale.parse(minMax);\n}","import { DEFAULT_COMMON_STYLE } from '../graphic/Displayable';\nimport PathProxy from '../core/PathProxy';\nimport { createOrUpdateImage, isImageReady } from '../graphic/helper/image';\nimport { getCanvasGradient, isClipPathChanged } from './helper';\nimport Path from '../graphic/Path';\nimport ZRImage from '../graphic/Image';\nimport TSpan from '../graphic/TSpan';\nimport { DEFAULT_FONT } from '../contain/text';\nimport { map } from '../core/util';\nimport { normalizeLineDash } from '../graphic/helper/dashStyle';\nimport Element from '../Element';\nimport IncrementalDisplayable from '../graphic/IncrementalDisplayable';\nvar pathProxyForDraw = new PathProxy(true);\nfunction styleHasStroke(style) {\n    var stroke = style.stroke;\n    return !(stroke == null || stroke === 'none' || !(style.lineWidth > 0));\n}\nfunction styleHasFill(style) {\n    var fill = style.fill;\n    return fill != null && fill !== 'none';\n}\nfunction doFillPath(ctx, style) {\n    if (style.fillOpacity != null && style.fillOpacity !== 1) {\n        var originalGlobalAlpha = ctx.globalAlpha;\n        ctx.globalAlpha = style.fillOpacity * style.opacity;\n        ctx.fill();\n        ctx.globalAlpha = originalGlobalAlpha;\n    }\n    else {\n        ctx.fill();\n    }\n}\nfunction doStrokePath(ctx, style) {\n    if (style.strokeOpacity != null && style.strokeOpacity !== 1) {\n        var originalGlobalAlpha = ctx.globalAlpha;\n        ctx.globalAlpha = style.strokeOpacity * style.opacity;\n        ctx.stroke();\n        ctx.globalAlpha = originalGlobalAlpha;\n    }\n    else {\n        ctx.stroke();\n    }\n}\nexport function createCanvasPattern(ctx, pattern, el) {\n    var image = createOrUpdateImage(pattern.image, pattern.__image, el);\n    if (isImageReady(image)) {\n        var canvasPattern = ctx.createPattern(image, pattern.repeat || 'repeat');\n        if (typeof DOMMatrix === 'function'\n            && canvasPattern.setTransform) {\n            var matrix = new DOMMatrix();\n            matrix.rotateSelf(0, 0, (pattern.rotation || 0) / Math.PI * 180);\n            matrix.scaleSelf((pattern.scaleX || 1), (pattern.scaleY || 1));\n            matrix.translateSelf((pattern.x || 0), (pattern.y || 0));\n            canvasPattern.setTransform(matrix);\n        }\n        return canvasPattern;\n    }\n}\nfunction brushPath(ctx, el, style, inBatch) {\n    var hasStroke = styleHasStroke(style);\n    var hasFill = styleHasFill(style);\n    var strokePercent = style.strokePercent;\n    var strokePart = strokePercent < 1;\n    var firstDraw = !el.path;\n    if ((!el.silent || strokePart) && firstDraw) {\n        el.createPathProxy();\n    }\n    var path = el.path || pathProxyForDraw;\n    if (!inBatch) {\n        var fill = style.fill;\n        var stroke = style.stroke;\n        var hasFillGradient = hasFill && !!fill.colorStops;\n        var hasStrokeGradient = hasStroke && !!stroke.colorStops;\n        var hasFillPattern = hasFill && !!fill.image;\n        var hasStrokePattern = hasStroke && !!stroke.image;\n        var fillGradient = void 0;\n        var strokeGradient = void 0;\n        var fillPattern = void 0;\n        var strokePattern = void 0;\n        var rect = void 0;\n        if (hasFillGradient || hasStrokeGradient) {\n            rect = el.getBoundingRect();\n        }\n        if (hasFillGradient) {\n            fillGradient = el.__dirty\n                ? getCanvasGradient(ctx, fill, rect)\n                : el.__canvasFillGradient;\n            el.__canvasFillGradient = fillGradient;\n        }\n        if (hasStrokeGradient) {\n            strokeGradient = el.__dirty\n                ? getCanvasGradient(ctx, stroke, rect)\n                : el.__canvasStrokeGradient;\n            el.__canvasStrokeGradient = strokeGradient;\n        }\n        if (hasFillPattern) {\n            fillPattern = (el.__dirty || !el.__canvasFillPattern)\n                ? createCanvasPattern(ctx, fill, el)\n                : el.__canvasFillPattern;\n            el.__canvasFillPattern = fillPattern;\n        }\n        if (hasStrokePattern) {\n            strokePattern = (el.__dirty || !el.__canvasStrokePattern)\n                ? createCanvasPattern(ctx, stroke, el)\n                : el.__canvasStrokePattern;\n            el.__canvasStrokePattern = fillPattern;\n        }\n        if (hasFillGradient) {\n            ctx.fillStyle = fillGradient;\n        }\n        else if (hasFillPattern) {\n            if (fillPattern) {\n                ctx.fillStyle = fillPattern;\n            }\n            else {\n                hasFill = false;\n            }\n        }\n        if (hasStrokeGradient) {\n            ctx.strokeStyle = strokeGradient;\n        }\n        else if (hasStrokePattern) {\n            if (strokePattern) {\n                ctx.strokeStyle = strokePattern;\n            }\n            else {\n                hasStroke = false;\n            }\n        }\n    }\n    var lineDash = style.lineDash && style.lineWidth > 0 && normalizeLineDash(style.lineDash, style.lineWidth);\n    var lineDashOffset = style.lineDashOffset;\n    var ctxLineDash = !!ctx.setLineDash;\n    var scale = el.getGlobalScale();\n    path.setScale(scale[0], scale[1], el.segmentIgnoreThreshold);\n    if (lineDash) {\n        var lineScale_1 = (style.strokeNoScale && el.getLineScale) ? el.getLineScale() : 1;\n        if (lineScale_1 && lineScale_1 !== 1) {\n            lineDash = map(lineDash, function (rawVal) {\n                return rawVal / lineScale_1;\n            });\n            lineDashOffset /= lineScale_1;\n        }\n    }\n    var needsRebuild = true;\n    if (firstDraw || (el.__dirty & Path.SHAPE_CHANGED_BIT)\n        || (lineDash && !ctxLineDash && hasStroke)) {\n        path.setDPR(ctx.dpr);\n        if (strokePart) {\n            path.setContext(null);\n        }\n        else {\n            path.setContext(ctx);\n            needsRebuild = false;\n        }\n        path.reset();\n        if (lineDash && !ctxLineDash) {\n            path.setLineDash(lineDash);\n            path.setLineDashOffset(lineDashOffset);\n        }\n        el.buildPath(path, el.shape, inBatch);\n        path.toStatic();\n        el.pathUpdated();\n    }\n    if (needsRebuild) {\n        path.rebuildPath(ctx, strokePart ? strokePercent : 1);\n    }\n    if (lineDash && ctxLineDash) {\n        ctx.setLineDash(lineDash);\n        ctx.lineDashOffset = lineDashOffset;\n    }\n    if (!inBatch) {\n        if (style.strokeFirst) {\n            if (hasStroke) {\n                doStrokePath(ctx, style);\n            }\n            if (hasFill) {\n                doFillPath(ctx, style);\n            }\n        }\n        else {\n            if (hasFill) {\n                doFillPath(ctx, style);\n            }\n            if (hasStroke) {\n                doStrokePath(ctx, style);\n            }\n        }\n    }\n    if (lineDash && ctxLineDash) {\n        ctx.setLineDash([]);\n    }\n}\nfunction brushImage(ctx, el, style) {\n    var image = el.__image = createOrUpdateImage(style.image, el.__image, el, el.onload);\n    if (!image || !isImageReady(image)) {\n        return;\n    }\n    var x = style.x || 0;\n    var y = style.y || 0;\n    var width = el.getWidth();\n    var height = el.getHeight();\n    var aspect = image.width / image.height;\n    if (width == null && height != null) {\n        width = height * aspect;\n    }\n    else if (height == null && width != null) {\n        height = width / aspect;\n    }\n    else if (width == null && height == null) {\n        width = image.width;\n        height = image.height;\n    }\n    if (style.sWidth && style.sHeight) {\n        var sx = style.sx || 0;\n        var sy = style.sy || 0;\n        ctx.drawImage(image, sx, sy, style.sWidth, style.sHeight, x, y, width, height);\n    }\n    else if (style.sx && style.sy) {\n        var sx = style.sx;\n        var sy = style.sy;\n        var sWidth = width - sx;\n        var sHeight = height - sy;\n        ctx.drawImage(image, sx, sy, sWidth, sHeight, x, y, width, height);\n    }\n    else {\n        ctx.drawImage(image, x, y, width, height);\n    }\n}\nfunction brushText(ctx, el, style) {\n    var text = style.text;\n    text != null && (text += '');\n    if (text) {\n        ctx.font = style.font || DEFAULT_FONT;\n        ctx.textAlign = style.textAlign;\n        ctx.textBaseline = style.textBaseline;\n        var hasLineDash = void 0;\n        if (ctx.setLineDash) {\n            var lineDash = style.lineDash && style.lineWidth > 0 && normalizeLineDash(style.lineDash, style.lineWidth);\n            var lineDashOffset = style.lineDashOffset;\n            if (lineDash) {\n                var lineScale_2 = (style.strokeNoScale && el.getLineScale) ? el.getLineScale() : 1;\n                if (lineScale_2 && lineScale_2 !== 1) {\n                    lineDash = map(lineDash, function (rawVal) {\n                        return rawVal / lineScale_2;\n                    });\n                    lineDashOffset /= lineScale_2;\n                }\n                ctx.setLineDash(lineDash);\n                ctx.lineDashOffset = lineDashOffset;\n                hasLineDash = true;\n            }\n        }\n        if (style.strokeFirst) {\n            if (styleHasStroke(style)) {\n                ctx.strokeText(text, style.x, style.y);\n            }\n            if (styleHasFill(style)) {\n                ctx.fillText(text, style.x, style.y);\n            }\n        }\n        else {\n            if (styleHasFill(style)) {\n                ctx.fillText(text, style.x, style.y);\n            }\n            if (styleHasStroke(style)) {\n                ctx.strokeText(text, style.x, style.y);\n            }\n        }\n        if (hasLineDash) {\n            ctx.setLineDash([]);\n        }\n    }\n}\nvar SHADOW_NUMBER_PROPS = ['shadowBlur', 'shadowOffsetX', 'shadowOffsetY'];\nvar STROKE_PROPS = [\n    ['lineCap', 'butt'], ['lineJoin', 'miter'], ['miterLimit', 10]\n];\nfunction bindCommonProps(ctx, style, prevStyle, forceSetAll, scope) {\n    var styleChanged = false;\n    if (!forceSetAll) {\n        prevStyle = prevStyle || {};\n        if (style === prevStyle) {\n            return false;\n        }\n    }\n    if (forceSetAll || style.opacity !== prevStyle.opacity) {\n        if (!styleChanged) {\n            flushPathDrawn(ctx, scope);\n            styleChanged = true;\n        }\n        var opacity = Math.max(Math.min(style.opacity, 1), 0);\n        ctx.globalAlpha = isNaN(opacity) ? DEFAULT_COMMON_STYLE.opacity : opacity;\n    }\n    if (forceSetAll || style.blend !== prevStyle.blend) {\n        if (!styleChanged) {\n            flushPathDrawn(ctx, scope);\n            styleChanged = true;\n        }\n        ctx.globalCompositeOperation = style.blend || DEFAULT_COMMON_STYLE.blend;\n    }\n    for (var i = 0; i < SHADOW_NUMBER_PROPS.length; i++) {\n        var propName = SHADOW_NUMBER_PROPS[i];\n        if (forceSetAll || style[propName] !== prevStyle[propName]) {\n            if (!styleChanged) {\n                flushPathDrawn(ctx, scope);\n                styleChanged = true;\n            }\n            ctx[propName] = ctx.dpr * (style[propName] || 0);\n        }\n    }\n    if (forceSetAll || style.shadowColor !== prevStyle.shadowColor) {\n        if (!styleChanged) {\n            flushPathDrawn(ctx, scope);\n            styleChanged = true;\n        }\n        ctx.shadowColor = style.shadowColor || DEFAULT_COMMON_STYLE.shadowColor;\n    }\n    return styleChanged;\n}\nfunction bindPathAndTextCommonStyle(ctx, el, prevEl, forceSetAll, scope) {\n    var style = getStyle(el, scope.inHover);\n    var prevStyle = forceSetAll\n        ? null\n        : (prevEl && getStyle(prevEl, scope.inHover) || {});\n    if (style === prevStyle) {\n        return false;\n    }\n    var styleChanged = bindCommonProps(ctx, style, prevStyle, forceSetAll, scope);\n    if (forceSetAll || style.fill !== prevStyle.fill) {\n        if (!styleChanged) {\n            flushPathDrawn(ctx, scope);\n            styleChanged = true;\n        }\n        ctx.fillStyle = style.fill;\n    }\n    if (forceSetAll || style.stroke !== prevStyle.stroke) {\n        if (!styleChanged) {\n            flushPathDrawn(ctx, scope);\n            styleChanged = true;\n        }\n        ctx.strokeStyle = style.stroke;\n    }\n    if (forceSetAll || style.opacity !== prevStyle.opacity) {\n        if (!styleChanged) {\n            flushPathDrawn(ctx, scope);\n            styleChanged = true;\n        }\n        ctx.globalAlpha = style.opacity == null ? 1 : style.opacity;\n    }\n    if (el.hasStroke()) {\n        var lineWidth = style.lineWidth;\n        var newLineWidth = lineWidth / ((style.strokeNoScale && el && el.getLineScale) ? el.getLineScale() : 1);\n        if (ctx.lineWidth !== newLineWidth) {\n            if (!styleChanged) {\n                flushPathDrawn(ctx, scope);\n                styleChanged = true;\n            }\n            ctx.lineWidth = newLineWidth;\n        }\n    }\n    for (var i = 0; i < STROKE_PROPS.length; i++) {\n        var prop = STROKE_PROPS[i];\n        var propName = prop[0];\n        if (forceSetAll || style[propName] !== prevStyle[propName]) {\n            if (!styleChanged) {\n                flushPathDrawn(ctx, scope);\n                styleChanged = true;\n            }\n            ctx[propName] = style[propName] || prop[1];\n        }\n    }\n    return styleChanged;\n}\nfunction bindImageStyle(ctx, el, prevEl, forceSetAll, scope) {\n    return bindCommonProps(ctx, getStyle(el, scope.inHover), prevEl && getStyle(prevEl, scope.inHover), forceSetAll, scope);\n}\nfunction setContextTransform(ctx, el) {\n    var m = el.transform;\n    var dpr = ctx.dpr || 1;\n    if (m) {\n        ctx.setTransform(dpr * m[0], dpr * m[1], dpr * m[2], dpr * m[3], dpr * m[4], dpr * m[5]);\n    }\n    else {\n        ctx.setTransform(dpr, 0, 0, dpr, 0, 0);\n    }\n}\nfunction updateClipStatus(clipPaths, ctx, scope) {\n    var allClipped = false;\n    for (var i = 0; i < clipPaths.length; i++) {\n        var clipPath = clipPaths[i];\n        allClipped = allClipped || clipPath.isZeroArea();\n        setContextTransform(ctx, clipPath);\n        ctx.beginPath();\n        clipPath.buildPath(ctx, clipPath.shape);\n        ctx.clip();\n    }\n    scope.allClipped = allClipped;\n}\nfunction isTransformChanged(m0, m1) {\n    if (m0 && m1) {\n        return m0[0] !== m1[0]\n            || m0[1] !== m1[1]\n            || m0[2] !== m1[2]\n            || m0[3] !== m1[3]\n            || m0[4] !== m1[4]\n            || m0[5] !== m1[5];\n    }\n    else if (!m0 && !m1) {\n        return false;\n    }\n    return true;\n}\nvar DRAW_TYPE_PATH = 1;\nvar DRAW_TYPE_IMAGE = 2;\nvar DRAW_TYPE_TEXT = 3;\nvar DRAW_TYPE_INCREMENTAL = 4;\nfunction canPathBatch(style) {\n    var hasFill = styleHasFill(style);\n    var hasStroke = styleHasStroke(style);\n    return !(style.lineDash\n        || !(+hasFill ^ +hasStroke)\n        || (hasFill && typeof style.fill !== 'string')\n        || (hasStroke && typeof style.stroke !== 'string')\n        || style.strokePercent < 1\n        || style.strokeOpacity < 1\n        || style.fillOpacity < 1);\n}\nfunction flushPathDrawn(ctx, scope) {\n    scope.batchFill && ctx.fill();\n    scope.batchStroke && ctx.stroke();\n    scope.batchFill = '';\n    scope.batchStroke = '';\n}\nfunction getStyle(el, inHover) {\n    return inHover ? (el.__hoverStyle || el.style) : el.style;\n}\nexport function brushSingle(ctx, el) {\n    brush(ctx, el, { inHover: false, viewWidth: 0, viewHeight: 0 }, true);\n}\nexport function brush(ctx, el, scope, isLast) {\n    var m = el.transform;\n    if (!el.shouldBePainted(scope.viewWidth, scope.viewHeight, false, false)) {\n        el.__dirty &= ~Element.REDARAW_BIT;\n        el.__isRendered = false;\n        return;\n    }\n    var clipPaths = el.__clipPaths;\n    var prevElClipPaths = scope.prevElClipPaths;\n    var forceSetTransform = false;\n    var forceSetStyle = false;\n    if (!prevElClipPaths || isClipPathChanged(clipPaths, prevElClipPaths)) {\n        if (prevElClipPaths && prevElClipPaths.length) {\n            flushPathDrawn(ctx, scope);\n            ctx.restore();\n            forceSetStyle = forceSetTransform = true;\n            scope.prevElClipPaths = null;\n            scope.allClipped = false;\n            scope.prevEl = null;\n        }\n        if (clipPaths && clipPaths.length) {\n            flushPathDrawn(ctx, scope);\n            ctx.save();\n            updateClipStatus(clipPaths, ctx, scope);\n            forceSetTransform = true;\n        }\n        scope.prevElClipPaths = clipPaths;\n    }\n    if (scope.allClipped) {\n        el.__isRendered = false;\n        return;\n    }\n    el.beforeBrush && el.beforeBrush();\n    el.innerBeforeBrush();\n    var prevEl = scope.prevEl;\n    if (!prevEl) {\n        forceSetStyle = forceSetTransform = true;\n    }\n    var canBatchPath = el instanceof Path\n        && el.autoBatch\n        && canPathBatch(el.style);\n    if (forceSetTransform || isTransformChanged(m, prevEl.transform)) {\n        flushPathDrawn(ctx, scope);\n        setContextTransform(ctx, el);\n    }\n    else if (!canBatchPath) {\n        flushPathDrawn(ctx, scope);\n    }\n    var style = getStyle(el, scope.inHover);\n    if (el instanceof Path) {\n        if (scope.lastDrawType !== DRAW_TYPE_PATH) {\n            forceSetStyle = true;\n            scope.lastDrawType = DRAW_TYPE_PATH;\n        }\n        bindPathAndTextCommonStyle(ctx, el, prevEl, forceSetStyle, scope);\n        if (!canBatchPath || (!scope.batchFill && !scope.batchStroke)) {\n            ctx.beginPath();\n        }\n        brushPath(ctx, el, style, canBatchPath);\n        if (canBatchPath) {\n            scope.batchFill = style.fill || '';\n            scope.batchStroke = style.stroke || '';\n        }\n    }\n    else {\n        if (el instanceof TSpan) {\n            if (scope.lastDrawType !== DRAW_TYPE_TEXT) {\n                forceSetStyle = true;\n                scope.lastDrawType = DRAW_TYPE_TEXT;\n            }\n            bindPathAndTextCommonStyle(ctx, el, prevEl, forceSetStyle, scope);\n            brushText(ctx, el, style);\n        }\n        else if (el instanceof ZRImage) {\n            if (scope.lastDrawType !== DRAW_TYPE_IMAGE) {\n                forceSetStyle = true;\n                scope.lastDrawType = DRAW_TYPE_IMAGE;\n            }\n            bindImageStyle(ctx, el, prevEl, forceSetStyle, scope);\n            brushImage(ctx, el, style);\n        }\n        else if (el instanceof IncrementalDisplayable) {\n            if (scope.lastDrawType !== DRAW_TYPE_INCREMENTAL) {\n                forceSetStyle = true;\n                scope.lastDrawType = DRAW_TYPE_INCREMENTAL;\n            }\n            brushIncremental(ctx, el, scope);\n        }\n    }\n    if (canBatchPath && isLast) {\n        flushPathDrawn(ctx, scope);\n    }\n    el.innerAfterBrush();\n    el.afterBrush && el.afterBrush();\n    scope.prevEl = el;\n    el.__dirty = 0;\n    el.__isRendered = true;\n}\nfunction brushIncremental(ctx, el, scope) {\n    var displayables = el.getDisplayables();\n    var temporalDisplayables = el.getTemporalDisplayables();\n    ctx.save();\n    var innerScope = {\n        prevElClipPaths: null,\n        prevEl: null,\n        allClipped: false,\n        viewWidth: scope.viewWidth,\n        viewHeight: scope.viewHeight,\n        inHover: scope.inHover\n    };\n    var i;\n    var len;\n    for (i = el.getCursor(), len = displayables.length; i < len; i++) {\n        var displayable = displayables[i];\n        displayable.beforeBrush && displayable.beforeBrush();\n        displayable.innerBeforeBrush();\n        brush(ctx, displayable, innerScope, i === len - 1);\n        displayable.innerAfterBrush();\n        displayable.afterBrush && displayable.afterBrush();\n        innerScope.prevEl = displayable;\n    }\n    for (var i_1 = 0, len_1 = temporalDisplayables.length; i_1 < len_1; i_1++) {\n        var displayable = temporalDisplayables[i_1];\n        displayable.beforeBrush && displayable.beforeBrush();\n        displayable.innerBeforeBrush();\n        brush(ctx, displayable, innerScope, i_1 === len_1 - 1);\n        displayable.innerAfterBrush();\n        displayable.afterBrush && displayable.afterBrush();\n        innerScope.prevEl = displayable;\n    }\n    el.clearTemporalDisplayables();\n    el.notClear = true;\n    ctx.restore();\n}\n","export const NOTHING =\n\ttypeof Symbol !== \"undefined\"\n\t\t? Symbol(\"immer-nothing\")\n\t\t: {[\"immer-nothing\"]: true}\n\nexport const DRAFTABLE =\n\ttypeof Symbol !== \"undefined\" && Symbol.for\n\t\t? Symbol.for(\"immer-draftable\")\n\t\t: \"__$immer_draftable\"\n\nexport const DRAFT_STATE =\n\ttypeof Symbol !== \"undefined\" && Symbol.for\n\t\t? Symbol.for(\"immer-state\")\n\t\t: \"__$immer_state\"\n\nexport function isDraft(value) {\n\treturn !!value && !!value[DRAFT_STATE]\n}\n\nexport function isDraftable(value) {\n\tif (!value) return false\n\treturn (\n\t\tisPlainObject(value) || !!value[DRAFTABLE] || !!value.constructor[DRAFTABLE]\n\t)\n}\n\nexport function isPlainObject(value) {\n\tif (!value || typeof value !== \"object\") return false\n\tif (Array.isArray(value)) return true\n\tconst proto = Object.getPrototypeOf(value)\n\treturn !proto || proto === Object.prototype\n}\n\nexport function original(value) {\n\tif (value && value[DRAFT_STATE]) {\n\t\treturn value[DRAFT_STATE].base\n\t}\n\t// otherwise return undefined\n}\n\nexport const assign =\n\tObject.assign ||\n\tfunction assign(target, value) {\n\t\tfor (let key in value) {\n\t\t\tif (has(value, key)) {\n\t\t\t\ttarget[key] = value[key]\n\t\t\t}\n\t\t}\n\t\treturn target\n\t}\n\nexport const ownKeys =\n\ttypeof Reflect !== \"undefined\" && Reflect.ownKeys\n\t\t? Reflect.ownKeys\n\t\t: typeof Object.getOwnPropertySymbols !== \"undefined\"\n\t\t? obj =>\n\t\t\t\tObject.getOwnPropertyNames(obj).concat(\n\t\t\t\t\tObject.getOwnPropertySymbols(obj)\n\t\t\t\t)\n\t\t: Object.getOwnPropertyNames\n\nexport function shallowCopy(base, invokeGetters = false) {\n\tif (Array.isArray(base)) return base.slice()\n\tconst clone = Object.create(Object.getPrototypeOf(base))\n\townKeys(base).forEach(key => {\n\t\tif (key === DRAFT_STATE) {\n\t\t\treturn // Never copy over draft state.\n\t\t}\n\t\tconst desc = Object.getOwnPropertyDescriptor(base, key)\n\t\tlet {value} = desc\n\t\tif (desc.get) {\n\t\t\tif (!invokeGetters) {\n\t\t\t\tthrow new Error(\"Immer drafts cannot have computed properties\")\n\t\t\t}\n\t\t\tvalue = desc.get.call(base)\n\t\t}\n\t\tif (desc.enumerable) {\n\t\t\tclone[key] = value\n\t\t} else {\n\t\t\tObject.defineProperty(clone, key, {\n\t\t\t\tvalue,\n\t\t\t\twritable: true,\n\t\t\t\tconfigurable: true\n\t\t\t})\n\t\t}\n\t})\n\treturn clone\n}\n\nexport function each(value, cb) {\n\tif (Array.isArray(value)) {\n\t\tfor (let i = 0; i < value.length; i++) cb(i, value[i], value)\n\t} else {\n\t\townKeys(value).forEach(key => cb(key, value[key], value))\n\t}\n}\n\nexport function isEnumerable(base, prop) {\n\tconst desc = Object.getOwnPropertyDescriptor(base, prop)\n\treturn !!desc && desc.enumerable\n}\n\nexport function has(thing, prop) {\n\treturn Object.prototype.hasOwnProperty.call(thing, prop)\n}\n\nexport function is(x, y) {\n\t// From: https://github.com/facebook/fbjs/blob/c69904a511b900266935168223063dd8772dfc40/packages/fbjs/src/core/shallowEqual.js\n\tif (x === y) {\n\t\treturn x !== 0 || 1 / x === 1 / y\n\t} else {\n\t\treturn x !== x && y !== y\n\t}\n}\n\nexport function clone(obj) {\n\tif (!isDraftable(obj)) return obj\n\tif (Array.isArray(obj)) return obj.map(clone)\n\tconst cloned = Object.create(Object.getPrototypeOf(obj))\n\tfor (const key in obj) cloned[key] = clone(obj[key])\n\treturn cloned\n}\n\nexport function deepFreeze(obj) {\n\tif (!isDraftable(obj) || isDraft(obj) || Object.isFrozen(obj)) return\n\tObject.freeze(obj)\n\tif (Array.isArray(obj)) obj.forEach(deepFreeze)\n\telse for (const key in obj) deepFreeze(obj[key])\n}\n","import {DRAFT_STATE} from \"./common\"\n\n/** Each scope represents a `produce` call. */\nexport class ImmerScope {\n\tconstructor(parent) {\n\t\tthis.drafts = []\n\t\tthis.parent = parent\n\n\t\t// Whenever the modified draft contains a draft from another scope, we\n\t\t// need to prevent auto-freezing so the unowned draft can be finalized.\n\t\tthis.canAutoFreeze = true\n\n\t\t// To avoid prototype lookups:\n\t\tthis.patches = null\n\t}\n\tusePatches(patchListener) {\n\t\tif (patchListener) {\n\t\t\tthis.patches = []\n\t\t\tthis.inversePatches = []\n\t\t\tthis.patchListener = patchListener\n\t\t}\n\t}\n\trevoke() {\n\t\tthis.leave()\n\t\tthis.drafts.forEach(revoke)\n\t\tthis.drafts = null // Make draft-related methods throw.\n\t}\n\tleave() {\n\t\tif (this === ImmerScope.current) {\n\t\t\tImmerScope.current = this.parent\n\t\t}\n\t}\n}\n\nImmerScope.current = null\nImmerScope.enter = function() {\n\treturn (this.current = new ImmerScope(this.current))\n}\n\nfunction revoke(draft) {\n\tdraft[DRAFT_STATE].revoke()\n}\n","\"use strict\"\nimport {\n\teach,\n\thas,\n\tis,\n\tisDraft,\n\tisDraftable,\n\tisEnumerable,\n\tshallowCopy,\n\tDRAFT_STATE\n} from \"./common\"\nimport {ImmerScope} from \"./scope\"\n\n// property descriptors are recycled to make sure we don't create a get and set closure per property,\n// but share them all instead\nconst descriptors = {}\n\nexport function willFinalize(scope, result, isReplaced) {\n\tscope.drafts.forEach(draft => {\n\t\tdraft[DRAFT_STATE].finalizing = true\n\t})\n\tif (!isReplaced) {\n\t\tif (scope.patches) {\n\t\t\tmarkChangesRecursively(scope.drafts[0])\n\t\t}\n\t\t// This is faster when we don't care about which attributes changed.\n\t\tmarkChangesSweep(scope.drafts)\n\t}\n\t// When a child draft is returned, look for changes.\n\telse if (isDraft(result) && result[DRAFT_STATE].scope === scope) {\n\t\tmarkChangesSweep(scope.drafts)\n\t}\n}\n\nexport function createProxy(base, parent) {\n\tconst isArray = Array.isArray(base)\n\tconst draft = clonePotentialDraft(base)\n\teach(draft, prop => {\n\t\tproxyProperty(draft, prop, isArray || isEnumerable(base, prop))\n\t})\n\n\t// See \"proxy.js\" for property documentation.\n\tconst scope = parent ? parent.scope : ImmerScope.current\n\tconst state = {\n\t\tscope,\n\t\tmodified: false,\n\t\tfinalizing: false, // es5 only\n\t\tfinalized: false,\n\t\tassigned: {},\n\t\tparent,\n\t\tbase,\n\t\tdraft,\n\t\tcopy: null,\n\t\trevoke,\n\t\trevoked: false // es5 only\n\t}\n\n\tcreateHiddenProperty(draft, DRAFT_STATE, state)\n\tscope.drafts.push(draft)\n\treturn draft\n}\n\nfunction revoke() {\n\tthis.revoked = true\n}\n\nfunction source(state) {\n\treturn state.copy || state.base\n}\n\n// Access a property without creating an Immer draft.\nfunction peek(draft, prop) {\n\tconst state = draft[DRAFT_STATE]\n\tif (state && !state.finalizing) {\n\t\tstate.finalizing = true\n\t\tconst value = draft[prop]\n\t\tstate.finalizing = false\n\t\treturn value\n\t}\n\treturn draft[prop]\n}\n\nfunction get(state, prop) {\n\tassertUnrevoked(state)\n\tconst value = peek(source(state), prop)\n\tif (state.finalizing) return value\n\t// Create a draft if the value is unmodified.\n\tif (value === peek(state.base, prop) && isDraftable(value)) {\n\t\tprepareCopy(state)\n\t\treturn (state.copy[prop] = createProxy(value, state))\n\t}\n\treturn value\n}\n\nfunction set(state, prop, value) {\n\tassertUnrevoked(state)\n\tstate.assigned[prop] = true\n\tif (!state.modified) {\n\t\tif (is(value, peek(source(state), prop))) return\n\t\tmarkChanged(state)\n\t\tprepareCopy(state)\n\t}\n\tstate.copy[prop] = value\n}\n\nfunction markChanged(state) {\n\tif (!state.modified) {\n\t\tstate.modified = true\n\t\tif (state.parent) markChanged(state.parent)\n\t}\n}\n\nfunction prepareCopy(state) {\n\tif (!state.copy) state.copy = clonePotentialDraft(state.base)\n}\n\nfunction clonePotentialDraft(base) {\n\tconst state = base && base[DRAFT_STATE]\n\tif (state) {\n\t\tstate.finalizing = true\n\t\tconst draft = shallowCopy(state.draft, true)\n\t\tstate.finalizing = false\n\t\treturn draft\n\t}\n\treturn shallowCopy(base)\n}\n\nfunction proxyProperty(draft, prop, enumerable) {\n\tlet desc = descriptors[prop]\n\tif (desc) {\n\t\tdesc.enumerable = enumerable\n\t} else {\n\t\tdescriptors[prop] = desc = {\n\t\t\tconfigurable: true,\n\t\t\tenumerable,\n\t\t\tget() {\n\t\t\t\treturn get(this[DRAFT_STATE], prop)\n\t\t\t},\n\t\t\tset(value) {\n\t\t\t\tset(this[DRAFT_STATE], prop, value)\n\t\t\t}\n\t\t}\n\t}\n\tObject.defineProperty(draft, prop, desc)\n}\n\nfunction assertUnrevoked(state) {\n\tif (state.revoked === true)\n\t\tthrow new Error(\n\t\t\t\"Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? \" +\n\t\t\t\tJSON.stringify(source(state))\n\t\t)\n}\n\n// This looks expensive, but only proxies are visited, and only objects without known changes are scanned.\nfunction markChangesSweep(drafts) {\n\t// The natural order of drafts in the `scope` array is based on when they\n\t// were accessed. By processing drafts in reverse natural order, we have a\n\t// better chance of processing leaf nodes first. When a leaf node is known to\n\t// have changed, we can avoid any traversal of its ancestor nodes.\n\tfor (let i = drafts.length - 1; i >= 0; i--) {\n\t\tconst state = drafts[i][DRAFT_STATE]\n\t\tif (!state.modified) {\n\t\t\tif (Array.isArray(state.base)) {\n\t\t\t\tif (hasArrayChanges(state)) markChanged(state)\n\t\t\t} else if (hasObjectChanges(state)) markChanged(state)\n\t\t}\n\t}\n}\n\nfunction markChangesRecursively(object) {\n\tif (!object || typeof object !== \"object\") return\n\tconst state = object[DRAFT_STATE]\n\tif (!state) return\n\tconst {base, draft, assigned} = state\n\tif (!Array.isArray(object)) {\n\t\t// Look for added keys.\n\t\tObject.keys(draft).forEach(key => {\n\t\t\t// The `undefined` check is a fast path for pre-existing keys.\n\t\t\tif (base[key] === undefined && !has(base, key)) {\n\t\t\t\tassigned[key] = true\n\t\t\t\tmarkChanged(state)\n\t\t\t} else if (!assigned[key]) {\n\t\t\t\t// Only untouched properties trigger recursion.\n\t\t\t\tmarkChangesRecursively(draft[key])\n\t\t\t}\n\t\t})\n\t\t// Look for removed keys.\n\t\tObject.keys(base).forEach(key => {\n\t\t\t// The `undefined` check is a fast path for pre-existing keys.\n\t\t\tif (draft[key] === undefined && !has(draft, key)) {\n\t\t\t\tassigned[key] = false\n\t\t\t\tmarkChanged(state)\n\t\t\t}\n\t\t})\n\t} else if (hasArrayChanges(state)) {\n\t\tmarkChanged(state)\n\t\tassigned.length = true\n\t\tif (draft.length < base.length) {\n\t\t\tfor (let i = draft.length; i < base.length; i++) assigned[i] = false\n\t\t} else {\n\t\t\tfor (let i = base.length; i < draft.length; i++) assigned[i] = true\n\t\t}\n\t\tfor (let i = 0; i < draft.length; i++) {\n\t\t\t// Only untouched indices trigger recursion.\n\t\t\tif (assigned[i] === undefined) markChangesRecursively(draft[i])\n\t\t}\n\t}\n}\n\nfunction hasObjectChanges(state) {\n\tconst {base, draft} = state\n\n\t// Search for added keys and changed keys. Start at the back, because\n\t// non-numeric keys are ordered by time of definition on the object.\n\tconst keys = Object.keys(draft)\n\tfor (let i = keys.length - 1; i >= 0; i--) {\n\t\tconst key = keys[i]\n\t\tconst baseValue = base[key]\n\t\t// The `undefined` check is a fast path for pre-existing keys.\n\t\tif (baseValue === undefined && !has(base, key)) {\n\t\t\treturn true\n\t\t}\n\t\t// Once a base key is deleted, future changes go undetected, because its\n\t\t// descriptor is erased. This branch detects any missed changes.\n\t\telse {\n\t\t\tconst value = draft[key]\n\t\t\tconst state = value && value[DRAFT_STATE]\n\t\t\tif (state ? state.base !== baseValue : !is(value, baseValue)) {\n\t\t\t\treturn true\n\t\t\t}\n\t\t}\n\t}\n\n\t// At this point, no keys were added or changed.\n\t// Compare key count to determine if keys were deleted.\n\treturn keys.length !== Object.keys(base).length\n}\n\nfunction hasArrayChanges(state) {\n\tconst {draft} = state\n\tif (draft.length !== state.base.length) return true\n\t// See #116\n\t// If we first shorten the length, our array interceptors will be removed.\n\t// If after that new items are added, result in the same original length,\n\t// those last items will have no intercepting property.\n\t// So if there is no own descriptor on the last position, we know that items were removed and added\n\t// N.B.: splice, unshift, etc only shift values around, but not prop descriptors, so we only have to check\n\t// the last one\n\tconst descriptor = Object.getOwnPropertyDescriptor(draft, draft.length - 1)\n\t// descriptor can be null, but only for newly created sparse arrays, eg. new Array(10)\n\tif (descriptor && !descriptor.get) return true\n\t// For all other cases, we don't have to compare, as they would have been picked up by the index setters\n\treturn false\n}\n\nfunction createHiddenProperty(target, prop, value) {\n\tObject.defineProperty(target, prop, {\n\t\tvalue: value,\n\t\tenumerable: false,\n\t\twritable: true\n\t})\n}\n","\"use strict\"\nimport {\n\tassign,\n\teach,\n\thas,\n\tis,\n\tisDraftable,\n\tisDraft,\n\tshallowCopy,\n\tDRAFT_STATE\n} from \"./common\"\nimport {ImmerScope} from \"./scope\"\n\n// Do nothing before being finalized.\nexport function willFinalize() {}\n\nexport function createProxy(base, parent) {\n\tconst scope = parent ? parent.scope : ImmerScope.current\n\tconst state = {\n\t\t// Track which produce call this is associated with.\n\t\tscope,\n\t\t// True for both shallow and deep changes.\n\t\tmodified: false,\n\t\t// Used during finalization.\n\t\tfinalized: false,\n\t\t// Track which properties have been assigned (true) or deleted (false).\n\t\tassigned: {},\n\t\t// The parent draft state.\n\t\tparent,\n\t\t// The base state.\n\t\tbase,\n\t\t// The base proxy.\n\t\tdraft: null,\n\t\t// Any property proxies.\n\t\tdrafts: {},\n\t\t// The base copy with any updated values.\n\t\tcopy: null,\n\t\t// Called by the `produce` function.\n\t\trevoke: null\n\t}\n\n\tconst {revoke, proxy} = Array.isArray(base)\n\t\t? // [state] is used for arrays, to make sure the proxy is array-ish and not violate invariants,\n\t\t  // although state itself is an object\n\t\t  Proxy.revocable([state], arrayTraps)\n\t\t: Proxy.revocable(state, objectTraps)\n\n\tstate.draft = proxy\n\tstate.revoke = revoke\n\n\tscope.drafts.push(proxy)\n\treturn proxy\n}\n\nconst objectTraps = {\n\tget,\n\thas(target, prop) {\n\t\treturn prop in source(target)\n\t},\n\townKeys(target) {\n\t\treturn Reflect.ownKeys(source(target))\n\t},\n\tset,\n\tdeleteProperty,\n\tgetOwnPropertyDescriptor,\n\tdefineProperty() {\n\t\tthrow new Error(\"Object.defineProperty() cannot be used on an Immer draft\") // prettier-ignore\n\t},\n\tgetPrototypeOf(target) {\n\t\treturn Object.getPrototypeOf(target.base)\n\t},\n\tsetPrototypeOf() {\n\t\tthrow new Error(\"Object.setPrototypeOf() cannot be used on an Immer draft\") // prettier-ignore\n\t}\n}\n\nconst arrayTraps = {}\neach(objectTraps, (key, fn) => {\n\tarrayTraps[key] = function() {\n\t\targuments[0] = arguments[0][0]\n\t\treturn fn.apply(this, arguments)\n\t}\n})\narrayTraps.deleteProperty = function(state, prop) {\n\tif (isNaN(parseInt(prop))) {\n\t\tthrow new Error(\"Immer only supports deleting array indices\") // prettier-ignore\n\t}\n\treturn objectTraps.deleteProperty.call(this, state[0], prop)\n}\narrayTraps.set = function(state, prop, value) {\n\tif (prop !== \"length\" && isNaN(parseInt(prop))) {\n\t\tthrow new Error(\"Immer only supports setting array indices and the 'length' property\") // prettier-ignore\n\t}\n\treturn objectTraps.set.call(this, state[0], prop, value)\n}\n\n// returns the object we should be reading the current value from, which is base, until some change has been made\nfunction source(state) {\n\treturn state.copy || state.base\n}\n\n// Access a property without creating an Immer draft.\nfunction peek(draft, prop) {\n\tconst state = draft[DRAFT_STATE]\n\tconst desc = Reflect.getOwnPropertyDescriptor(\n\t\tstate ? source(state) : draft,\n\t\tprop\n\t)\n\treturn desc && desc.value\n}\n\nfunction get(state, prop) {\n\tif (prop === DRAFT_STATE) return state\n\tlet {drafts} = state\n\n\t// Check for existing draft in unmodified state.\n\tif (!state.modified && has(drafts, prop)) {\n\t\treturn drafts[prop]\n\t}\n\n\tconst value = source(state)[prop]\n\tif (state.finalized || !isDraftable(value)) {\n\t\treturn value\n\t}\n\n\t// Check for existing draft in modified state.\n\tif (state.modified) {\n\t\t// Assigned values are never drafted. This catches any drafts we created, too.\n\t\tif (value !== peek(state.base, prop)) return value\n\t\t// Store drafts on the copy (when one exists).\n\t\tdrafts = state.copy\n\t}\n\n\treturn (drafts[prop] = createProxy(value, state))\n}\n\nfunction set(state, prop, value) {\n\tif (!state.modified) {\n\t\tconst baseValue = peek(state.base, prop)\n\t\t// Optimize based on value's truthiness. Truthy values are guaranteed to\n\t\t// never be undefined, so we can avoid the `in` operator. Lastly, truthy\n\t\t// values may be drafts, but falsy values are never drafts.\n\t\tconst isUnchanged = value\n\t\t\t? is(baseValue, value) || value === state.drafts[prop]\n\t\t\t: is(baseValue, value) && prop in state.base\n\t\tif (isUnchanged) return true\n\t\tmarkChanged(state)\n\t}\n\tstate.assigned[prop] = true\n\tstate.copy[prop] = value\n\treturn true\n}\n\nfunction deleteProperty(state, prop) {\n\t// The `undefined` check is a fast path for pre-existing keys.\n\tif (peek(state.base, prop) !== undefined || prop in state.base) {\n\t\tstate.assigned[prop] = false\n\t\tmarkChanged(state)\n\t} else if (state.assigned[prop]) {\n\t\t// if an originally not assigned property was deleted\n\t\tdelete state.assigned[prop]\n\t}\n\tif (state.copy) delete state.copy[prop]\n\treturn true\n}\n\n// Note: We never coerce `desc.value` into an Immer draft, because we can't make\n// the same guarantee in ES5 mode.\nfunction getOwnPropertyDescriptor(state, prop) {\n\tconst owner = source(state)\n\tconst desc = Reflect.getOwnPropertyDescriptor(owner, prop)\n\tif (desc) {\n\t\tdesc.writable = true\n\t\tdesc.configurable = !Array.isArray(owner) || prop !== \"length\"\n\t}\n\treturn desc\n}\n\nfunction markChanged(state) {\n\tif (!state.modified) {\n\t\tstate.modified = true\n\t\tstate.copy = assign(shallowCopy(state.base), state.drafts)\n\t\tstate.drafts = null\n\t\tif (state.parent) markChanged(state.parent)\n\t}\n}\n","import {each, clone} from \"./common\"\n\nexport function generatePatches(state, basePath, patches, inversePatches) {\n\tArray.isArray(state.base)\n\t\t? generateArrayPatches(state, basePath, patches, inversePatches)\n\t\t: generateObjectPatches(state, basePath, patches, inversePatches)\n}\n\nfunction generateArrayPatches(state, basePath, patches, inversePatches) {\n\tlet {base, copy, assigned} = state\n\n\t// Reduce complexity by ensuring `base` is never longer.\n\tif (copy.length < base.length) {\n\t\t;[base, copy] = [copy, base]\n\t\t;[patches, inversePatches] = [inversePatches, patches]\n\t}\n\n\tconst delta = copy.length - base.length\n\n\t// Find the first replaced index.\n\tlet start = 0\n\twhile (base[start] === copy[start] && start < base.length) {\n\t\t++start\n\t}\n\n\t// Find the last replaced index. Search from the end to optimize splice patches.\n\tlet end = base.length\n\twhile (end > start && base[end - 1] === copy[end + delta - 1]) {\n\t\t--end\n\t}\n\n\t// Process replaced indices.\n\tfor (let i = start; i < end; ++i) {\n\t\tif (assigned[i] && copy[i] !== base[i]) {\n\t\t\tconst path = basePath.concat([i])\n\t\t\tpatches.push({\n\t\t\t\top: \"replace\",\n\t\t\t\tpath,\n\t\t\t\tvalue: copy[i]\n\t\t\t})\n\t\t\tinversePatches.push({\n\t\t\t\top: \"replace\",\n\t\t\t\tpath,\n\t\t\t\tvalue: base[i]\n\t\t\t})\n\t\t}\n\t}\n\n\tconst replaceCount = patches.length\n\n\t// Process added indices.\n\tfor (let i = end + delta - 1; i >= end; --i) {\n\t\tconst path = basePath.concat([i])\n\t\tpatches[replaceCount + i - end] = {\n\t\t\top: \"add\",\n\t\t\tpath,\n\t\t\tvalue: copy[i]\n\t\t}\n\t\tinversePatches.push({\n\t\t\top: \"remove\",\n\t\t\tpath\n\t\t})\n\t}\n}\n\nfunction generateObjectPatches(state, basePath, patches, inversePatches) {\n\tconst {base, copy} = state\n\teach(state.assigned, (key, assignedValue) => {\n\t\tconst origValue = base[key]\n\t\tconst value = copy[key]\n\t\tconst op = !assignedValue ? \"remove\" : key in base ? \"replace\" : \"add\"\n\t\tif (origValue === value && op === \"replace\") return\n\t\tconst path = basePath.concat(key)\n\t\tpatches.push(op === \"remove\" ? {op, path} : {op, path, value})\n\t\tinversePatches.push(\n\t\t\top === \"add\"\n\t\t\t\t? {op: \"remove\", path}\n\t\t\t\t: op === \"remove\"\n\t\t\t\t? {op: \"add\", path, value: origValue}\n\t\t\t\t: {op: \"replace\", path, value: origValue}\n\t\t)\n\t})\n}\n\nexport const applyPatches = (draft, patches) => {\n\tfor (const patch of patches) {\n\t\tconst {path, op} = patch\n\t\tconst value = clone(patch.value) // used to clone patch to ensure original patch is not modified, see #411\n\n\t\tif (!path.length) throw new Error(\"Illegal state\")\n\n\t\tlet base = draft\n\t\tfor (let i = 0; i < path.length - 1; i++) {\n\t\t\tbase = base[path[i]]\n\t\t\tif (!base || typeof base !== \"object\")\n\t\t\t\tthrow new Error(\"Cannot apply patch, path doesn't resolve: \" + path.join(\"/\")) // prettier-ignore\n\t\t}\n\n\t\tconst key = path[path.length - 1]\n\t\tswitch (op) {\n\t\t\tcase \"replace\":\n\t\t\t\t// if value is an object, then it's assigned by reference\n\t\t\t\t// in the following add or remove ops, the value field inside the patch will also be modifyed\n\t\t\t\t// so we use value from the cloned patch\n\t\t\t\tbase[key] = value\n\t\t\t\tbreak\n\t\t\tcase \"add\":\n\t\t\t\tif (Array.isArray(base)) {\n\t\t\t\t\t// TODO: support \"foo/-\" paths for appending to an array\n\t\t\t\t\tbase.splice(key, 0, value)\n\t\t\t\t} else {\n\t\t\t\t\tbase[key] = value\n\t\t\t\t}\n\t\t\t\tbreak\n\t\t\tcase \"remove\":\n\t\t\t\tif (Array.isArray(base)) {\n\t\t\t\t\tbase.splice(key, 1)\n\t\t\t\t} else {\n\t\t\t\t\tdelete base[key]\n\t\t\t\t}\n\t\t\t\tbreak\n\t\t\tdefault:\n\t\t\t\tthrow new Error(\"Unsupported patch operation: \" + op)\n\t\t}\n\t}\n\n\treturn draft\n}\n","import * as legacyProxy from \"./es5\"\nimport * as modernProxy from \"./proxy\"\nimport {applyPatches, generatePatches} from \"./patches\"\nimport {\n\tassign,\n\teach,\n\thas,\n\tis,\n\tisDraft,\n\tisDraftable,\n\tisEnumerable,\n\tshallowCopy,\n\tDRAFT_STATE,\n\tNOTHING,\n\tdeepFreeze\n} from \"./common\"\nimport {ImmerScope} from \"./scope\"\n\nfunction verifyMinified() {}\n\nconst configDefaults = {\n\tuseProxies:\n\t\ttypeof Proxy !== \"undefined\" &&\n\t\ttypeof Proxy.revocable !== \"undefined\" &&\n\t\ttypeof Reflect !== \"undefined\",\n\tautoFreeze:\n\t\ttypeof process !== \"undefined\"\n\t\t\t? process.env.NODE_ENV !== \"production\"\n\t\t\t: verifyMinified.name === \"verifyMinified\",\n\tonAssign: null,\n\tonDelete: null,\n\tonCopy: null\n}\n\nexport class Immer {\n\tconstructor(config) {\n\t\tassign(this, configDefaults, config)\n\t\tthis.setUseProxies(this.useProxies)\n\t\tthis.produce = this.produce.bind(this)\n\t}\n\tproduce(base, recipe, patchListener) {\n\t\t// curried invocation\n\t\tif (typeof base === \"function\" && typeof recipe !== \"function\") {\n\t\t\tconst defaultBase = recipe\n\t\t\trecipe = base\n\n\t\t\tconst self = this\n\t\t\treturn function curriedProduce(base = defaultBase, ...args) {\n\t\t\t\treturn self.produce(base, draft => recipe.call(this, draft, ...args)) // prettier-ignore\n\t\t\t}\n\t\t}\n\n\t\t// prettier-ignore\n\t\t{\n\t\t\tif (typeof recipe !== \"function\") {\n\t\t\t\tthrow new Error(\"The first or second argument to `produce` must be a function\")\n\t\t\t}\n\t\t\tif (patchListener !== undefined && typeof patchListener !== \"function\") {\n\t\t\t\tthrow new Error(\"The third argument to `produce` must be a function or undefined\")\n\t\t\t}\n\t\t}\n\n\t\tlet result\n\n\t\t// Only plain objects, arrays, and \"immerable classes\" are drafted.\n\t\tif (isDraftable(base)) {\n\t\t\tconst scope = ImmerScope.enter()\n\t\t\tconst proxy = this.createProxy(base)\n\t\t\tlet hasError = true\n\t\t\ttry {\n\t\t\t\tresult = recipe(proxy)\n\t\t\t\thasError = false\n\t\t\t} finally {\n\t\t\t\t// finally instead of catch + rethrow better preserves original stack\n\t\t\t\tif (hasError) scope.revoke()\n\t\t\t\telse scope.leave()\n\t\t\t}\n\t\t\tif (result instanceof Promise) {\n\t\t\t\treturn result.then(\n\t\t\t\t\tresult => {\n\t\t\t\t\t\tscope.usePatches(patchListener)\n\t\t\t\t\t\treturn this.processResult(result, scope)\n\t\t\t\t\t},\n\t\t\t\t\terror => {\n\t\t\t\t\t\tscope.revoke()\n\t\t\t\t\t\tthrow error\n\t\t\t\t\t}\n\t\t\t\t)\n\t\t\t}\n\t\t\tscope.usePatches(patchListener)\n\t\t\treturn this.processResult(result, scope)\n\t\t} else {\n\t\t\tresult = recipe(base)\n\t\t\tif (result === NOTHING) return undefined\n\t\t\tif (result === undefined) result = base\n\t\t\tthis.maybeFreeze(result, true)\n\t\t\treturn result\n\t\t}\n\t}\n\tproduceWithPatches(arg1, arg2, arg3) {\n\t\tif (typeof arg1 === \"function\") {\n\t\t\tconst self = this\n\t\t\treturn (state, ...args) =>\n\t\t\t\tthis.produceWithPatches(state, draft => arg1(draft, ...args))\n\t\t}\n\t\t// non-curried form\n\t\tif (arg3)\n\t\t\tthrow new Error(\"A patch listener cannot be passed to produceWithPatches\")\n\t\tlet patches, inversePatches\n\t\tconst nextState = this.produce(arg1, arg2, (p, ip) => {\n\t\t\tpatches = p\n\t\t\tinversePatches = ip\n\t\t})\n\t\treturn [nextState, patches, inversePatches]\n\t}\n\tcreateDraft(base) {\n\t\tif (!isDraftable(base)) {\n\t\t\tthrow new Error(\"First argument to `createDraft` must be a plain object, an array, or an immerable object\") // prettier-ignore\n\t\t}\n\t\tconst scope = ImmerScope.enter()\n\t\tconst proxy = this.createProxy(base)\n\t\tproxy[DRAFT_STATE].isManual = true\n\t\tscope.leave()\n\t\treturn proxy\n\t}\n\tfinishDraft(draft, patchListener) {\n\t\tconst state = draft && draft[DRAFT_STATE]\n\t\tif (!state || !state.isManual) {\n\t\t\tthrow new Error(\"First argument to `finishDraft` must be a draft returned by `createDraft`\") // prettier-ignore\n\t\t}\n\t\tif (state.finalized) {\n\t\t\tthrow new Error(\"The given draft is already finalized\") // prettier-ignore\n\t\t}\n\t\tconst {scope} = state\n\t\tscope.usePatches(patchListener)\n\t\treturn this.processResult(undefined, scope)\n\t}\n\tsetAutoFreeze(value) {\n\t\tthis.autoFreeze = value\n\t}\n\tsetUseProxies(value) {\n\t\tthis.useProxies = value\n\t\tassign(this, value ? modernProxy : legacyProxy)\n\t}\n\tapplyPatches(base, patches) {\n\t\t// If a patch replaces the entire state, take that replacement as base\n\t\t// before applying patches\n\t\tlet i\n\t\tfor (i = patches.length - 1; i >= 0; i--) {\n\t\t\tconst patch = patches[i]\n\t\t\tif (patch.path.length === 0 && patch.op === \"replace\") {\n\t\t\t\tbase = patch.value\n\t\t\t\tbreak\n\t\t\t}\n\t\t}\n\n\t\tif (isDraft(base)) {\n\t\t\t// N.B: never hits if some patch a replacement, patches are never drafts\n\t\t\treturn applyPatches(base, patches)\n\t\t}\n\t\t// Otherwise, produce a copy of the base state.\n\t\treturn this.produce(base, draft =>\n\t\t\tapplyPatches(draft, patches.slice(i + 1))\n\t\t)\n\t}\n\t/** @internal */\n\tprocessResult(result, scope) {\n\t\tconst baseDraft = scope.drafts[0]\n\t\tconst isReplaced = result !== undefined && result !== baseDraft\n\t\tthis.willFinalize(scope, result, isReplaced)\n\t\tif (isReplaced) {\n\t\t\tif (baseDraft[DRAFT_STATE].modified) {\n\t\t\t\tscope.revoke()\n\t\t\t\tthrow new Error(\"An immer producer returned a new value *and* modified its draft. Either return a new value *or* modify the draft.\") // prettier-ignore\n\t\t\t}\n\t\t\tif (isDraftable(result)) {\n\t\t\t\t// Finalize the result in case it contains (or is) a subset of the draft.\n\t\t\t\tresult = this.finalize(result, null, scope)\n\t\t\t\tthis.maybeFreeze(result)\n\t\t\t}\n\t\t\tif (scope.patches) {\n\t\t\t\tscope.patches.push({\n\t\t\t\t\top: \"replace\",\n\t\t\t\t\tpath: [],\n\t\t\t\t\tvalue: result\n\t\t\t\t})\n\t\t\t\tscope.inversePatches.push({\n\t\t\t\t\top: \"replace\",\n\t\t\t\t\tpath: [],\n\t\t\t\t\tvalue: baseDraft[DRAFT_STATE].base\n\t\t\t\t})\n\t\t\t}\n\t\t} else {\n\t\t\t// Finalize the base draft.\n\t\t\tresult = this.finalize(baseDraft, [], scope)\n\t\t}\n\t\tscope.revoke()\n\t\tif (scope.patches) {\n\t\t\tscope.patchListener(scope.patches, scope.inversePatches)\n\t\t}\n\t\treturn result !== NOTHING ? result : undefined\n\t}\n\t/**\n\t * @internal\n\t * Finalize a draft, returning either the unmodified base state or a modified\n\t * copy of the base state.\n\t */\n\tfinalize(draft, path, scope) {\n\t\tconst state = draft[DRAFT_STATE]\n\t\tif (!state) {\n\t\t\tif (Object.isFrozen(draft)) return draft\n\t\t\treturn this.finalizeTree(draft, null, scope)\n\t\t}\n\t\t// Never finalize drafts owned by another scope.\n\t\tif (state.scope !== scope) {\n\t\t\treturn draft\n\t\t}\n\t\tif (!state.modified) {\n\t\t\tthis.maybeFreeze(state.base, true)\n\t\t\treturn state.base\n\t\t}\n\t\tif (!state.finalized) {\n\t\t\tstate.finalized = true\n\t\t\tthis.finalizeTree(state.draft, path, scope)\n\n\t\t\tif (this.onDelete) {\n\t\t\t\t// The `assigned` object is unreliable with ES5 drafts.\n\t\t\t\tif (this.useProxies) {\n\t\t\t\t\tconst {assigned} = state\n\t\t\t\t\tfor (const prop in assigned) {\n\t\t\t\t\t\tif (!assigned[prop]) this.onDelete(state, prop)\n\t\t\t\t\t}\n\t\t\t\t} else {\n\t\t\t\t\tconst {base, copy} = state\n\t\t\t\t\teach(base, prop => {\n\t\t\t\t\t\tif (!has(copy, prop)) this.onDelete(state, prop)\n\t\t\t\t\t})\n\t\t\t\t}\n\t\t\t}\n\t\t\tif (this.onCopy) {\n\t\t\t\tthis.onCopy(state)\n\t\t\t}\n\n\t\t\t// At this point, all descendants of `state.copy` have been finalized,\n\t\t\t// so we can be sure that `scope.canAutoFreeze` is accurate.\n\t\t\tif (this.autoFreeze && scope.canAutoFreeze) {\n\t\t\t\tObject.freeze(state.copy)\n\t\t\t}\n\n\t\t\tif (path && scope.patches) {\n\t\t\t\tgeneratePatches(state, path, scope.patches, scope.inversePatches)\n\t\t\t}\n\t\t}\n\t\treturn state.copy\n\t}\n\t/**\n\t * @internal\n\t * Finalize all drafts in the given state tree.\n\t */\n\tfinalizeTree(root, rootPath, scope) {\n\t\tconst state = root[DRAFT_STATE]\n\t\tif (state) {\n\t\t\tif (!this.useProxies) {\n\t\t\t\t// Create the final copy, with added keys and without deleted keys.\n\t\t\t\tstate.copy = shallowCopy(state.draft, true)\n\t\t\t}\n\t\t\troot = state.copy\n\t\t}\n\n\t\tconst needPatches = !!rootPath && !!scope.patches\n\t\tconst finalizeProperty = (prop, value, parent) => {\n\t\t\tif (value === parent) {\n\t\t\t\tthrow Error(\"Immer forbids circular references\")\n\t\t\t}\n\n\t\t\t// In the `finalizeTree` method, only the `root` object may be a draft.\n\t\t\tconst isDraftProp = !!state && parent === root\n\n\t\t\tif (isDraft(value)) {\n\t\t\t\tconst path =\n\t\t\t\t\tisDraftProp && needPatches && !state.assigned[prop]\n\t\t\t\t\t\t? rootPath.concat(prop)\n\t\t\t\t\t\t: null\n\n\t\t\t\t// Drafts owned by `scope` are finalized here.\n\t\t\t\tvalue = this.finalize(value, path, scope)\n\n\t\t\t\t// Drafts from another scope must prevent auto-freezing.\n\t\t\t\tif (isDraft(value)) {\n\t\t\t\t\tscope.canAutoFreeze = false\n\t\t\t\t}\n\n\t\t\t\t// Preserve non-enumerable properties.\n\t\t\t\tif (Array.isArray(parent) || isEnumerable(parent, prop)) {\n\t\t\t\t\tparent[prop] = value\n\t\t\t\t} else {\n\t\t\t\t\tObject.defineProperty(parent, prop, {value})\n\t\t\t\t}\n\n\t\t\t\t// Unchanged drafts are never passed to the `onAssign` hook.\n\t\t\t\tif (isDraftProp && value === state.base[prop]) return\n\t\t\t}\n\t\t\t// Unchanged draft properties are ignored.\n\t\t\telse if (isDraftProp && is(value, state.base[prop])) {\n\t\t\t\treturn\n\t\t\t}\n\t\t\t// Search new objects for unfinalized drafts. Frozen objects should never contain drafts.\n\t\t\telse if (isDraftable(value) && !Object.isFrozen(value)) {\n\t\t\t\teach(value, finalizeProperty)\n\t\t\t\tthis.maybeFreeze(value)\n\t\t\t}\n\n\t\t\tif (isDraftProp && this.onAssign) {\n\t\t\t\tthis.onAssign(state, prop, value)\n\t\t\t}\n\t\t}\n\n\t\teach(root, finalizeProperty)\n\t\treturn root\n\t}\n\tmaybeFreeze(value, deep = false) {\n\t\tif (this.autoFreeze && !isDraft(value)) {\n\t\t\tif (deep) deepFreeze(value)\n\t\t\telse Object.freeze(value)\n\t\t}\n\t}\n}\n","import {Immer} from \"./immer\"\n\nconst immer = new Immer()\n\n/**\n * The `produce` function takes a value and a \"recipe function\" (whose\n * return value often depends on the base state). The recipe function is\n * free to mutate its first argument however it wants. All mutations are\n * only ever applied to a __copy__ of the base state.\n *\n * Pass only a function to create a \"curried producer\" which relieves you\n * from passing the recipe function every time.\n *\n * Only plain objects and arrays are made mutable. All other objects are\n * considered uncopyable.\n *\n * Note: This function is __bound__ to its `Immer` instance.\n *\n * @param {any} base - the initial state\n * @param {Function} producer - function that receives a proxy of the base state as first argument and which can be freely modified\n * @param {Function} patchListener - optional function that will be called with all the patches produced here\n * @returns {any} a new state, or the initial state if nothing was modified\n */\nexport const produce = immer.produce\nexport default produce\n\n/**\n * Like `produce`, but `produceWithPatches` always returns a tuple\n * [nextState, patches, inversePatches] (instead of just the next state)\n */\nexport const produceWithPatches = immer.produceWithPatches.bind(immer)\n\n/**\n * Pass true to automatically freeze all copies created by Immer.\n *\n * By default, auto-freezing is disabled in production.\n */\nexport const setAutoFreeze = immer.setAutoFreeze.bind(immer)\n\n/**\n * Pass true to use the ES2015 `Proxy` class when creating drafts, which is\n * always faster than using ES5 proxies.\n *\n * By default, feature detection is used, so calling this is rarely necessary.\n */\nexport const setUseProxies = immer.setUseProxies.bind(immer)\n\n/**\n * Apply an array of Immer patches to the first argument.\n *\n * This function is a producer, which means copy-on-write is in effect.\n */\nexport const applyPatches = immer.applyPatches.bind(immer)\n\n/**\n * Create an Immer draft from the given base state, which may be a draft itself.\n * The draft can be modified until you finalize it with the `finishDraft` function.\n */\nexport const createDraft = immer.createDraft.bind(immer)\n\n/**\n * Finalize an Immer draft from a `createDraft` call, returning the base state\n * (if no changes were made) or a modified copy. The draft must *not* be\n * mutated afterwards.\n *\n * Pass a function as the 2nd argument to generate Immer patches based on the\n * changes that were made.\n */\nexport const finishDraft = immer.finishDraft.bind(immer)\n\nexport {\n\toriginal,\n\tisDraft,\n\tisDraftable,\n\tNOTHING as nothing,\n\tDRAFTABLE as immerable\n} from \"./common\"\n\nexport {Immer}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport makeStyleMapper from './makeStyleMapper';\nexport var ITEM_STYLE_KEY_MAP = [['fill', 'color'], ['stroke', 'borderColor'], ['lineWidth', 'borderWidth'], ['opacity'], ['shadowBlur'], ['shadowOffsetX'], ['shadowOffsetY'], ['shadowColor'], ['lineDash', 'borderType'], ['lineDashOffset', 'borderDashOffset'], ['lineCap', 'borderCap'], ['lineJoin', 'borderJoin'], ['miterLimit', 'borderMiterLimit'] // Option decal is in `DecalObject` but style.decal is in `PatternObject`.\n// So do not transfer decal directly.\n];\nvar getItemStyle = makeStyleMapper(ITEM_STYLE_KEY_MAP);\n\nvar ItemStyleMixin =\n/** @class */\nfunction () {\n  function ItemStyleMixin() {}\n\n  ItemStyleMixin.prototype.getItemStyle = function (excludes, includes) {\n    return getItemStyle(this, excludes, includes);\n  };\n\n  return ItemStyleMixin;\n}();\n\nexport { ItemStyleMixin };","export function getDelay(backoffDelay, maxInterval) {\n    return Math.min(backoffDelay, maxInterval);\n}\nexport function exponentialBackoffDelay(iteration, initialInterval) {\n    return Math.pow(2, iteration) * initialInterval;\n}\n","import { Observable } from '../Observable';\nimport { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { MonoTypeOperatorFunction, OperatorFunction, ObservableInput, SchedulerLike } from '../types';\n\n/* tslint:disable:max-line-length */\nexport function expand<T, R>(project: (value: T, index: number) => ObservableInput<R>, concurrent?: number, scheduler?: SchedulerLike): OperatorFunction<T, R>;\nexport function expand<T>(project: (value: T, index: number) => ObservableInput<T>, concurrent?: number, scheduler?: SchedulerLike): MonoTypeOperatorFunction<T>;\n/* tslint:enable:max-line-length */\n\n/**\n * Recursively projects each source value to an Observable which is merged in\n * the output Observable.\n *\n * <span class=\"informal\">It's similar to {@link mergeMap}, but applies the\n * projection function to every source value as well as every output value.\n * It's recursive.</span>\n *\n * ![](expand.png)\n *\n * Returns an Observable that emits items based on applying a function that you\n * supply to each item emitted by the source Observable, where that function\n * returns an Observable, and then merging those resulting Observables and\n * emitting the results of this merger. *Expand* will re-emit on the output\n * Observable every source value. Then, each output value is given to the\n * `project` function which returns an inner Observable to be merged on the\n * output Observable. Those output values resulting from the projection are also\n * given to the `project` function to produce new output values. This is how\n * *expand* behaves recursively.\n *\n * ## Example\n * Start emitting the powers of two on every click, at most 10 of them\n * ```ts\n * import { fromEvent, of } from 'rxjs';\n * import { expand, mapTo, delay, take } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const powersOfTwo = clicks.pipe(\n *   mapTo(1),\n *   expand(x => of(2 * x).pipe(delay(1000))),\n *   take(10),\n * );\n * powersOfTwo.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link mergeMap}\n * @see {@link mergeScan}\n *\n * @param {function(value: T, index: number) => Observable} project A function\n * that, when applied to an item emitted by the source or the output Observable,\n * returns an Observable.\n * @param {number} [concurrent=Number.POSITIVE_INFINITY] Maximum number of input\n * Observables being subscribed to concurrently.\n * @param {SchedulerLike} [scheduler=null] The {@link SchedulerLike} to use for subscribing to\n * each projected inner Observable.\n * @return {Observable} An Observable that emits the source values and also\n * result of applying the projection function to each value emitted on the\n * output Observable and and merging the results of the Observables obtained\n * from this transformation.\n * @method expand\n * @owner Observable\n */\nexport function expand<T, R>(project: (value: T, index: number) => ObservableInput<R>,\n                             concurrent: number = Number.POSITIVE_INFINITY,\n                             scheduler: SchedulerLike = undefined): OperatorFunction<T, R> {\n  concurrent = (concurrent || 0) < 1 ? Number.POSITIVE_INFINITY : concurrent;\n\n  return (source: Observable<T>) => source.lift(new ExpandOperator(project, concurrent, scheduler));\n}\n\nexport class ExpandOperator<T, R> implements Operator<T, R> {\n  constructor(private project: (value: T, index: number) => ObservableInput<R>,\n              private concurrent: number,\n              private scheduler: SchedulerLike) {\n  }\n\n  call(subscriber: Subscriber<R>, source: any): any {\n    return source.subscribe(new ExpandSubscriber(subscriber, this.project, this.concurrent, this.scheduler));\n  }\n}\n\ninterface DispatchArg<T, R> {\n  subscriber: ExpandSubscriber<T, R>;\n  result: ObservableInput<R>;\n  value: any;\n  index: number;\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nexport class ExpandSubscriber<T, R> extends OuterSubscriber<T, R> {\n  private index: number = 0;\n  private active: number = 0;\n  private hasCompleted: boolean = false;\n  private buffer: any[];\n\n  constructor(destination: Subscriber<R>,\n              private project: (value: T, index: number) => ObservableInput<R>,\n              private concurrent: number,\n              private scheduler: SchedulerLike) {\n    super(destination);\n    if (concurrent < Number.POSITIVE_INFINITY) {\n      this.buffer = [];\n    }\n  }\n\n  private static dispatch<T, R>(arg: DispatchArg<T, R>): void {\n    const {subscriber, result, value, index} = arg;\n    subscriber.subscribeToProjection(result, value, index);\n  }\n\n  protected _next(value: any): void {\n    const destination = this.destination;\n\n    if (destination.closed) {\n      this._complete();\n      return;\n    }\n\n    const index = this.index++;\n    if (this.active < this.concurrent) {\n      destination.next(value);\n      try {\n        const { project } = this;\n        const result = project(value, index);\n        if (!this.scheduler) {\n          this.subscribeToProjection(result, value, index);\n        } else {\n          const state: DispatchArg<T, R> = { subscriber: this, result, value, index };\n          const destination = this.destination as Subscription;\n          destination.add(this.scheduler.schedule<DispatchArg<T, R>>(ExpandSubscriber.dispatch, 0, state));\n        }\n      } catch (e) {\n        destination.error(e);\n      }\n    } else {\n      this.buffer.push(value);\n    }\n  }\n\n  private subscribeToProjection(result: any, value: T, index: number): void {\n    this.active++;\n    const destination = this.destination as Subscription;\n    destination.add(subscribeToResult<T, R>(this, result, value, index));\n  }\n\n  protected _complete(): void {\n    this.hasCompleted = true;\n    if (this.hasCompleted && this.active === 0) {\n      this.destination.complete();\n    }\n    this.unsubscribe();\n  }\n\n  notifyNext(outerValue: T, innerValue: R,\n             outerIndex: number, innerIndex: number,\n             innerSub: InnerSubscriber<T, R>): void {\n    this._next(innerValue);\n  }\n\n  notifyComplete(innerSub: Subscription): void {\n    const buffer = this.buffer;\n    const destination = this.destination as Subscription;\n    destination.remove(innerSub);\n    this.active--;\n    if (buffer && buffer.length > 0) {\n      this._next(buffer.shift());\n    }\n    if (this.hasCompleted && this.active === 0) {\n      this.destination.complete();\n    }\n  }\n}\n","import { of, timer, asyncScheduler } from 'rxjs';\nimport { expand, mapTo } from 'rxjs/operators';\nimport { exponentialBackoffDelay, getDelay } from '../utils';\nexport function intervalBackoff(config, scheduler) {\n    if (scheduler === void 0) { scheduler = asyncScheduler; }\n    var _a = typeof config === 'number' ? { initialInterval: config } : config, initialInterval = _a.initialInterval, _b = _a.maxInterval, maxInterval = _b === void 0 ? Infinity : _b, _c = _a.backoffDelay, backoffDelay = _c === void 0 ? exponentialBackoffDelay : _c;\n    initialInterval = (initialInterval < 0) ? 0 : initialInterval;\n    return of(0, scheduler).pipe(expand(function (iteration) {\n        return timer(getDelay(backoffDelay(iteration, initialInterval), maxInterval))\n            .pipe(mapTo(iteration + 1));\n    }));\n}\n","export { retryBackoff } from './operators/retryBackoff';\nexport { intervalBackoff } from './observable/intervalBackoff';\n","/**\n * @license Angular v9.0.0\n * (c) 2010-2020 Google LLC. https://angular.io/\n * License: MIT\n */\n\nimport { __decorate, __extends, __param, __metadata, __read, __values } from 'tslib';\nimport { InjectionToken, ɵɵdefineInjectable, Injectable, ɵɵinject, Inject, Optional, EventEmitter, ɵfindLocaleData, ɵLocaleDataIndex, ɵgetLocaleCurrencyCode, ɵgetLocalePluralCase, LOCALE_ID, ɵregisterLocaleData, ɵisListLikeIterable, ɵstringify, Input, Directive, IterableDiffers, KeyValueDiffers, ElementRef, Renderer2, NgModuleRef, ComponentFactoryResolver, Type, Injector, NgModuleFactory, ViewContainerRef, isDevMode, TemplateRef, Host, Attribute, ɵlooseIdentical, WrappedValue, ɵisPromise, ɵisObservable, Pipe, ChangeDetectorRef, DEFAULT_CURRENCY_CODE, NgModule, Version, ErrorHandler } from '@angular/core';\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar _DOM = null;\nfunction getDOM() {\n    return _DOM;\n}\nfunction setDOM(adapter) {\n    _DOM = adapter;\n}\nfunction setRootDomAdapter(adapter) {\n    if (!_DOM) {\n        _DOM = adapter;\n    }\n}\n/* tslint:disable:requireParameterType */\n/**\n * Provides DOM operations in an environment-agnostic way.\n *\n * @security Tread carefully! Interacting with the DOM directly is dangerous and\n * can introduce XSS risks.\n */\nvar DomAdapter = /** @class */ (function () {\n    function DomAdapter() {\n    }\n    return DomAdapter;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A DI Token representing the main rendering context. In a browser this is the DOM Document.\n *\n * Note: Document might not be available in the Application Context when Application and Rendering\n * Contexts are not the same (e.g. when running the application in a Web Worker).\n *\n * @publicApi\n */\nvar DOCUMENT = new InjectionToken('DocumentToken');\n\n/**\n * This class should not be used directly by an application developer. Instead, use\n * {@link Location}.\n *\n * `PlatformLocation` encapsulates all calls to DOM apis, which allows the Router to be platform\n * agnostic.\n * This means that we can have different implementation of `PlatformLocation` for the different\n * platforms that angular supports. For example, `@angular/platform-browser` provides an\n * implementation specific to the browser environment, while `@angular/platform-webworker` provides\n * one suitable for use with web workers.\n *\n * The `PlatformLocation` class is used directly by all implementations of {@link LocationStrategy}\n * when they need to interact with the DOM apis like pushState, popState, etc...\n *\n * {@link LocationStrategy} in turn is used by the {@link Location} service which is used directly\n * by the {@link Router} in order to navigate between routes. Since all interactions between {@link\n * Router} /\n * {@link Location} / {@link LocationStrategy} and DOM apis flow through the `PlatformLocation`\n * class they are all platform independent.\n *\n * @publicApi\n */\nvar PlatformLocation = /** @class */ (function () {\n    function PlatformLocation() {\n    }\n    PlatformLocation.ɵprov = ɵɵdefineInjectable({ factory: useBrowserPlatformLocation, token: PlatformLocation, providedIn: \"platform\" });\n    PlatformLocation = __decorate([\n        Injectable({\n            providedIn: 'platform',\n            // See #23917\n            useFactory: useBrowserPlatformLocation\n        })\n    ], PlatformLocation);\n    return PlatformLocation;\n}());\nfunction useBrowserPlatformLocation() {\n    return ɵɵinject(BrowserPlatformLocation);\n}\n/**\n * @description\n * Indicates when a location is initialized.\n *\n * @publicApi\n */\nvar LOCATION_INITIALIZED = new InjectionToken('Location Initialized');\n/**\n * `PlatformLocation` encapsulates all of the direct calls to platform APIs.\n * This class should not be used directly by an application developer. Instead, use\n * {@link Location}.\n */\nvar BrowserPlatformLocation = /** @class */ (function (_super) {\n    __extends(BrowserPlatformLocation, _super);\n    function BrowserPlatformLocation(_doc) {\n        var _this = _super.call(this) || this;\n        _this._doc = _doc;\n        _this._init();\n        return _this;\n    }\n    // This is moved to its own method so that `MockPlatformLocationStrategy` can overwrite it\n    /** @internal */\n    BrowserPlatformLocation.prototype._init = function () {\n        this.location = getDOM().getLocation();\n        this._history = getDOM().getHistory();\n    };\n    BrowserPlatformLocation.prototype.getBaseHrefFromDOM = function () { return getDOM().getBaseHref(this._doc); };\n    BrowserPlatformLocation.prototype.onPopState = function (fn) {\n        getDOM().getGlobalEventTarget(this._doc, 'window').addEventListener('popstate', fn, false);\n    };\n    BrowserPlatformLocation.prototype.onHashChange = function (fn) {\n        getDOM().getGlobalEventTarget(this._doc, 'window').addEventListener('hashchange', fn, false);\n    };\n    Object.defineProperty(BrowserPlatformLocation.prototype, \"href\", {\n        get: function () { return this.location.href; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(BrowserPlatformLocation.prototype, \"protocol\", {\n        get: function () { return this.location.protocol; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(BrowserPlatformLocation.prototype, \"hostname\", {\n        get: function () { return this.location.hostname; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(BrowserPlatformLocation.prototype, \"port\", {\n        get: function () { return this.location.port; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(BrowserPlatformLocation.prototype, \"pathname\", {\n        get: function () { return this.location.pathname; },\n        set: function (newPath) { this.location.pathname = newPath; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(BrowserPlatformLocation.prototype, \"search\", {\n        get: function () { return this.location.search; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(BrowserPlatformLocation.prototype, \"hash\", {\n        get: function () { return this.location.hash; },\n        enumerable: true,\n        configurable: true\n    });\n    BrowserPlatformLocation.prototype.pushState = function (state, title, url) {\n        if (supportsState()) {\n            this._history.pushState(state, title, url);\n        }\n        else {\n            this.location.hash = url;\n        }\n    };\n    BrowserPlatformLocation.prototype.replaceState = function (state, title, url) {\n        if (supportsState()) {\n            this._history.replaceState(state, title, url);\n        }\n        else {\n            this.location.hash = url;\n        }\n    };\n    BrowserPlatformLocation.prototype.forward = function () { this._history.forward(); };\n    BrowserPlatformLocation.prototype.back = function () { this._history.back(); };\n    BrowserPlatformLocation.prototype.getState = function () { return this._history.state; };\n    BrowserPlatformLocation.ɵprov = ɵɵdefineInjectable({ factory: createBrowserPlatformLocation, token: BrowserPlatformLocation, providedIn: \"platform\" });\n    BrowserPlatformLocation = __decorate([\n        Injectable({\n            providedIn: 'platform',\n            // See #23917\n            useFactory: createBrowserPlatformLocation,\n        }),\n        __param(0, Inject(DOCUMENT)),\n        __metadata(\"design:paramtypes\", [Object])\n    ], BrowserPlatformLocation);\n    return BrowserPlatformLocation;\n}(PlatformLocation));\nfunction supportsState() {\n    return !!window.history.pushState;\n}\nfunction createBrowserPlatformLocation() {\n    return new BrowserPlatformLocation(ɵɵinject(DOCUMENT));\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Joins two parts of a URL with a slash if needed.\n *\n * @param start  URL string\n * @param end    URL string\n *\n *\n * @returns The joined URL string.\n */\nfunction joinWithSlash(start, end) {\n    if (start.length == 0) {\n        return end;\n    }\n    if (end.length == 0) {\n        return start;\n    }\n    var slashes = 0;\n    if (start.endsWith('/')) {\n        slashes++;\n    }\n    if (end.startsWith('/')) {\n        slashes++;\n    }\n    if (slashes == 2) {\n        return start + end.substring(1);\n    }\n    if (slashes == 1) {\n        return start + end;\n    }\n    return start + '/' + end;\n}\n/**\n * Removes a trailing slash from a URL string if needed.\n * Looks for the first occurrence of either `#`, `?`, or the end of the\n * line as `/` characters and removes the trailing slash if one exists.\n *\n * @param url URL string.\n *\n * @returns The URL string, modified if needed.\n */\nfunction stripTrailingSlash(url) {\n    var match = url.match(/#|\\?|$/);\n    var pathEndIdx = match && match.index || url.length;\n    var droppedSlashIdx = pathEndIdx - (url[pathEndIdx - 1] === '/' ? 1 : 0);\n    return url.slice(0, droppedSlashIdx) + url.slice(pathEndIdx);\n}\n/**\n * Normalizes URL parameters by prepending with `?` if needed.\n *\n * @param  params String of URL parameters.\n *\n * @returns The normalized URL parameters string.\n */\nfunction normalizeQueryParams(params) {\n    return params && params[0] !== '?' ? '?' + params : params;\n}\n\n/**\n * Enables the `Location` service to read route state from the browser's URL.\n * Angular provides two strategies:\n * `HashLocationStrategy` and `PathLocationStrategy`.\n *\n * Applications should use the `Router` or `Location` services to\n * interact with application route state.\n *\n * For instance, `HashLocationStrategy` produces URLs like\n * <code class=\"no-auto-link\">http://example.com#/foo</code>,\n * and `PathLocationStrategy` produces\n * <code class=\"no-auto-link\">http://example.com/foo</code> as an equivalent URL.\n *\n * See these two classes for more.\n *\n * @publicApi\n */\nvar LocationStrategy = /** @class */ (function () {\n    function LocationStrategy() {\n    }\n    LocationStrategy.ɵprov = ɵɵdefineInjectable({ factory: provideLocationStrategy, token: LocationStrategy, providedIn: \"root\" });\n    LocationStrategy = __decorate([\n        Injectable({ providedIn: 'root', useFactory: provideLocationStrategy })\n    ], LocationStrategy);\n    return LocationStrategy;\n}());\nfunction provideLocationStrategy(platformLocation) {\n    // See #23917\n    var location = ɵɵinject(DOCUMENT).location;\n    return new PathLocationStrategy(ɵɵinject(PlatformLocation), location && location.origin || '');\n}\n/**\n * A predefined [DI token](guide/glossary#di-token) for the base href\n * to be used with the `PathLocationStrategy`.\n * The base href is the URL prefix that should be preserved when generating\n * and recognizing URLs.\n *\n * @usageNotes\n *\n * The following example shows how to use this token to configure the root app injector\n * with a base href value, so that the DI framework can supply the dependency anywhere in the app.\n *\n * ```typescript\n * import {Component, NgModule} from '@angular/core';\n * import {APP_BASE_HREF} from '@angular/common';\n *\n * @NgModule({\n *   providers: [{provide: APP_BASE_HREF, useValue: '/my/app'}]\n * })\n * class AppModule {}\n * ```\n *\n * @publicApi\n */\nvar APP_BASE_HREF = new InjectionToken('appBaseHref');\n/**\n * @description\n * A {@link LocationStrategy} used to configure the {@link Location} service to\n * represent its state in the\n * [path](https://en.wikipedia.org/wiki/Uniform_Resource_Locator#Syntax) of the\n * browser's URL.\n *\n * If you're using `PathLocationStrategy`, you must provide a {@link APP_BASE_HREF}\n * or add a base element to the document. This URL prefix that will be preserved\n * when generating and recognizing URLs.\n *\n * For instance, if you provide an `APP_BASE_HREF` of `'/my/app'` and call\n * `location.go('/foo')`, the browser's URL will become\n * `example.com/my/app/foo`.\n *\n * Similarly, if you add `<base href='/my/app'/>` to the document and call\n * `location.go('/foo')`, the browser's URL will become\n * `example.com/my/app/foo`.\n *\n * @usageNotes\n *\n * ### Example\n *\n * {@example common/location/ts/path_location_component.ts region='LocationComponent'}\n *\n * @publicApi\n */\nvar PathLocationStrategy = /** @class */ (function (_super) {\n    __extends(PathLocationStrategy, _super);\n    function PathLocationStrategy(_platformLocation, href) {\n        var _this = _super.call(this) || this;\n        _this._platformLocation = _platformLocation;\n        if (href == null) {\n            href = _this._platformLocation.getBaseHrefFromDOM();\n        }\n        if (href == null) {\n            throw new Error(\"No base href set. Please provide a value for the APP_BASE_HREF token or add a base element to the document.\");\n        }\n        _this._baseHref = href;\n        return _this;\n    }\n    PathLocationStrategy.prototype.onPopState = function (fn) {\n        this._platformLocation.onPopState(fn);\n        this._platformLocation.onHashChange(fn);\n    };\n    PathLocationStrategy.prototype.getBaseHref = function () { return this._baseHref; };\n    PathLocationStrategy.prototype.prepareExternalUrl = function (internal) { return joinWithSlash(this._baseHref, internal); };\n    PathLocationStrategy.prototype.path = function (includeHash) {\n        if (includeHash === void 0) { includeHash = false; }\n        var pathname = this._platformLocation.pathname + normalizeQueryParams(this._platformLocation.search);\n        var hash = this._platformLocation.hash;\n        return hash && includeHash ? \"\" + pathname + hash : pathname;\n    };\n    PathLocationStrategy.prototype.pushState = function (state, title, url, queryParams) {\n        var externalUrl = this.prepareExternalUrl(url + normalizeQueryParams(queryParams));\n        this._platformLocation.pushState(state, title, externalUrl);\n    };\n    PathLocationStrategy.prototype.replaceState = function (state, title, url, queryParams) {\n        var externalUrl = this.prepareExternalUrl(url + normalizeQueryParams(queryParams));\n        this._platformLocation.replaceState(state, title, externalUrl);\n    };\n    PathLocationStrategy.prototype.forward = function () { this._platformLocation.forward(); };\n    PathLocationStrategy.prototype.back = function () { this._platformLocation.back(); };\n    PathLocationStrategy = __decorate([\n        Injectable(),\n        __param(1, Optional()), __param(1, Inject(APP_BASE_HREF)),\n        __metadata(\"design:paramtypes\", [PlatformLocation, String])\n    ], PathLocationStrategy);\n    return PathLocationStrategy;\n}(LocationStrategy));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @description\n * A {@link LocationStrategy} used to configure the {@link Location} service to\n * represent its state in the\n * [hash fragment](https://en.wikipedia.org/wiki/Uniform_Resource_Locator#Syntax)\n * of the browser's URL.\n *\n * For instance, if you call `location.go('/foo')`, the browser's URL will become\n * `example.com#/foo`.\n *\n * @usageNotes\n *\n * ### Example\n *\n * {@example common/location/ts/hash_location_component.ts region='LocationComponent'}\n *\n * @publicApi\n */\nvar HashLocationStrategy = /** @class */ (function (_super) {\n    __extends(HashLocationStrategy, _super);\n    function HashLocationStrategy(_platformLocation, _baseHref) {\n        var _this = _super.call(this) || this;\n        _this._platformLocation = _platformLocation;\n        _this._baseHref = '';\n        if (_baseHref != null) {\n            _this._baseHref = _baseHref;\n        }\n        return _this;\n    }\n    HashLocationStrategy.prototype.onPopState = function (fn) {\n        this._platformLocation.onPopState(fn);\n        this._platformLocation.onHashChange(fn);\n    };\n    HashLocationStrategy.prototype.getBaseHref = function () { return this._baseHref; };\n    HashLocationStrategy.prototype.path = function (includeHash) {\n        if (includeHash === void 0) { includeHash = false; }\n        // the hash value is always prefixed with a `#`\n        // and if it is empty then it will stay empty\n        var path = this._platformLocation.hash;\n        if (path == null)\n            path = '#';\n        return path.length > 0 ? path.substring(1) : path;\n    };\n    HashLocationStrategy.prototype.prepareExternalUrl = function (internal) {\n        var url = joinWithSlash(this._baseHref, internal);\n        return url.length > 0 ? ('#' + url) : url;\n    };\n    HashLocationStrategy.prototype.pushState = function (state, title, path, queryParams) {\n        var url = this.prepareExternalUrl(path + normalizeQueryParams(queryParams));\n        if (url.length == 0) {\n            url = this._platformLocation.pathname;\n        }\n        this._platformLocation.pushState(state, title, url);\n    };\n    HashLocationStrategy.prototype.replaceState = function (state, title, path, queryParams) {\n        var url = this.prepareExternalUrl(path + normalizeQueryParams(queryParams));\n        if (url.length == 0) {\n            url = this._platformLocation.pathname;\n        }\n        this._platformLocation.replaceState(state, title, url);\n    };\n    HashLocationStrategy.prototype.forward = function () { this._platformLocation.forward(); };\n    HashLocationStrategy.prototype.back = function () { this._platformLocation.back(); };\n    HashLocationStrategy = __decorate([\n        Injectable(),\n        __param(1, Optional()), __param(1, Inject(APP_BASE_HREF)),\n        __metadata(\"design:paramtypes\", [PlatformLocation, String])\n    ], HashLocationStrategy);\n    return HashLocationStrategy;\n}(LocationStrategy));\n\n/**\n * @description\n *\n * A service that applications can use to interact with a browser's URL.\n *\n * Depending on the `LocationStrategy` used, `Location` persists\n * to the URL's path or the URL's hash segment.\n *\n * @usageNotes\n *\n * It's better to use the `Router#navigate` service to trigger route changes. Use\n * `Location` only if you need to interact with or create normalized URLs outside of\n * routing.\n *\n * `Location` is responsible for normalizing the URL against the application's base href.\n * A normalized URL is absolute from the URL host, includes the application's base href, and has no\n * trailing slash:\n * - `/my/app/user/123` is normalized\n * - `my/app/user/123` **is not** normalized\n * - `/my/app/user/123/` **is not** normalized\n *\n * ### Example\n *\n * <code-example path='common/location/ts/path_location_component.ts'\n * region='LocationComponent'></code-example>\n *\n * @publicApi\n */\nvar Location = /** @class */ (function () {\n    function Location(platformStrategy, platformLocation) {\n        var _this = this;\n        /** @internal */\n        this._subject = new EventEmitter();\n        /** @internal */\n        this._urlChangeListeners = [];\n        this._platformStrategy = platformStrategy;\n        var browserBaseHref = this._platformStrategy.getBaseHref();\n        this._platformLocation = platformLocation;\n        this._baseHref = stripTrailingSlash(_stripIndexHtml(browserBaseHref));\n        this._platformStrategy.onPopState(function (ev) {\n            _this._subject.emit({\n                'url': _this.path(true),\n                'pop': true,\n                'state': ev.state,\n                'type': ev.type,\n            });\n        });\n    }\n    Location_1 = Location;\n    /**\n     * Normalizes the URL path for this location.\n     *\n     * @param includeHash True to include an anchor fragment in the path.\n     *\n     * @returns The normalized URL path.\n     */\n    // TODO: vsavkin. Remove the boolean flag and always include hash once the deprecated router is\n    // removed.\n    Location.prototype.path = function (includeHash) {\n        if (includeHash === void 0) { includeHash = false; }\n        return this.normalize(this._platformStrategy.path(includeHash));\n    };\n    /**\n     * Reports the current state of the location history.\n     * @returns The current value of the `history.state` object.\n     */\n    Location.prototype.getState = function () { return this._platformLocation.getState(); };\n    /**\n     * Normalizes the given path and compares to the current normalized path.\n     *\n     * @param path The given URL path.\n     * @param query Query parameters.\n     *\n     * @returns True if the given URL path is equal to the current normalized path, false\n     * otherwise.\n     */\n    Location.prototype.isCurrentPathEqualTo = function (path, query) {\n        if (query === void 0) { query = ''; }\n        return this.path() == this.normalize(path + normalizeQueryParams(query));\n    };\n    /**\n     * Normalizes a URL path by stripping any trailing slashes.\n     *\n     * @param url String representing a URL.\n     *\n     * @returns The normalized URL string.\n     */\n    Location.prototype.normalize = function (url) {\n        return Location_1.stripTrailingSlash(_stripBaseHref(this._baseHref, _stripIndexHtml(url)));\n    };\n    /**\n     * Normalizes an external URL path.\n     * If the given URL doesn't begin with a leading slash (`'/'`), adds one\n     * before normalizing. Adds a hash if `HashLocationStrategy` is\n     * in use, or the `APP_BASE_HREF` if the `PathLocationStrategy` is in use.\n     *\n     * @param url String representing a URL.\n     *\n     * @returns  A normalized platform-specific URL.\n     */\n    Location.prototype.prepareExternalUrl = function (url) {\n        if (url && url[0] !== '/') {\n            url = '/' + url;\n        }\n        return this._platformStrategy.prepareExternalUrl(url);\n    };\n    // TODO: rename this method to pushState\n    /**\n     * Changes the browser's URL to a normalized version of a given URL, and pushes a\n     * new item onto the platform's history.\n     *\n     * @param path  URL path to normalize.\n     * @param query Query parameters.\n     * @param state Location history state.\n     *\n     */\n    Location.prototype.go = function (path, query, state) {\n        if (query === void 0) { query = ''; }\n        if (state === void 0) { state = null; }\n        this._platformStrategy.pushState(state, '', path, query);\n        this._notifyUrlChangeListeners(this.prepareExternalUrl(path + normalizeQueryParams(query)), state);\n    };\n    /**\n     * Changes the browser's URL to a normalized version of the given URL, and replaces\n     * the top item on the platform's history stack.\n     *\n     * @param path  URL path to normalize.\n     * @param query Query parameters.\n     * @param state Location history state.\n     */\n    Location.prototype.replaceState = function (path, query, state) {\n        if (query === void 0) { query = ''; }\n        if (state === void 0) { state = null; }\n        this._platformStrategy.replaceState(state, '', path, query);\n        this._notifyUrlChangeListeners(this.prepareExternalUrl(path + normalizeQueryParams(query)), state);\n    };\n    /**\n     * Navigates forward in the platform's history.\n     */\n    Location.prototype.forward = function () { this._platformStrategy.forward(); };\n    /**\n     * Navigates back in the platform's history.\n     */\n    Location.prototype.back = function () { this._platformStrategy.back(); };\n    /**\n     * Registers a URL change listener. Use to catch updates performed by the Angular\n     * framework that are not detectible through \"popstate\" or \"hashchange\" events.\n     *\n     * @param fn The change handler function, which take a URL and a location history state.\n     */\n    Location.prototype.onUrlChange = function (fn) {\n        var _this = this;\n        this._urlChangeListeners.push(fn);\n        this.subscribe(function (v) { _this._notifyUrlChangeListeners(v.url, v.state); });\n    };\n    /** @internal */\n    Location.prototype._notifyUrlChangeListeners = function (url, state) {\n        if (url === void 0) { url = ''; }\n        this._urlChangeListeners.forEach(function (fn) { return fn(url, state); });\n    };\n    /**\n     * Subscribes to the platform's `popState` events.\n     *\n     * @param value Event that is triggered when the state history changes.\n     * @param exception The exception to throw.\n     *\n     * @returns Subscribed events.\n     */\n    Location.prototype.subscribe = function (onNext, onThrow, onReturn) {\n        return this._subject.subscribe({ next: onNext, error: onThrow, complete: onReturn });\n    };\n    var Location_1;\n    /**\n     * Normalizes URL parameters by prepending with `?` if needed.\n     *\n     * @param  params String of URL parameters.\n     *\n     * @returns The normalized URL parameters string.\n     */\n    Location.normalizeQueryParams = normalizeQueryParams;\n    /**\n     * Joins two parts of a URL with a slash if needed.\n     *\n     * @param start  URL string\n     * @param end    URL string\n     *\n     *\n     * @returns The joined URL string.\n     */\n    Location.joinWithSlash = joinWithSlash;\n    /**\n     * Removes a trailing slash from a URL string if needed.\n     * Looks for the first occurrence of either `#`, `?`, or the end of the\n     * line as `/` characters and removes the trailing slash if one exists.\n     *\n     * @param url URL string.\n     *\n     * @returns The URL string, modified if needed.\n     */\n    Location.stripTrailingSlash = stripTrailingSlash;\n    Location.ɵprov = ɵɵdefineInjectable({ factory: createLocation, token: Location, providedIn: \"root\" });\n    Location = Location_1 = __decorate([\n        Injectable({\n            providedIn: 'root',\n            // See #23917\n            useFactory: createLocation,\n        }),\n        __metadata(\"design:paramtypes\", [LocationStrategy, PlatformLocation])\n    ], Location);\n    return Location;\n}());\nfunction createLocation() {\n    return new Location(ɵɵinject(LocationStrategy), ɵɵinject(PlatformLocation));\n}\nfunction _stripBaseHref(baseHref, url) {\n    return baseHref && url.startsWith(baseHref) ? url.substring(baseHref.length) : url;\n}\nfunction _stripIndexHtml(url) {\n    return url.replace(/\\/index.html$/, '');\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** @internal */\nvar CURRENCIES_EN = {\n    'ADP': [undefined, undefined, 0],\n    'AFN': [undefined, undefined, 0],\n    'ALL': [undefined, undefined, 0],\n    'AMD': [undefined, undefined, 2],\n    'AOA': [undefined, 'Kz'],\n    'ARS': [undefined, '$'],\n    'AUD': ['A$', '$'],\n    'BAM': [undefined, 'KM'],\n    'BBD': [undefined, '$'],\n    'BDT': [undefined, '৳'],\n    'BHD': [undefined, undefined, 3],\n    'BIF': [undefined, undefined, 0],\n    'BMD': [undefined, '$'],\n    'BND': [undefined, '$'],\n    'BOB': [undefined, 'Bs'],\n    'BRL': ['R$'],\n    'BSD': [undefined, '$'],\n    'BWP': [undefined, 'P'],\n    'BYN': [undefined, 'р.', 2],\n    'BYR': [undefined, undefined, 0],\n    'BZD': [undefined, '$'],\n    'CAD': ['CA$', '$', 2],\n    'CHF': [undefined, undefined, 2],\n    'CLF': [undefined, undefined, 4],\n    'CLP': [undefined, '$', 0],\n    'CNY': ['CN¥', '¥'],\n    'COP': [undefined, '$', 2],\n    'CRC': [undefined, '₡', 2],\n    'CUC': [undefined, '$'],\n    'CUP': [undefined, '$'],\n    'CZK': [undefined, 'Kč', 2],\n    'DJF': [undefined, undefined, 0],\n    'DKK': [undefined, 'kr', 2],\n    'DOP': [undefined, '$'],\n    'EGP': [undefined, 'E£'],\n    'ESP': [undefined, '₧', 0],\n    'EUR': ['€'],\n    'FJD': [undefined, '$'],\n    'FKP': [undefined, '£'],\n    'GBP': ['£'],\n    'GEL': [undefined, '₾'],\n    'GIP': [undefined, '£'],\n    'GNF': [undefined, 'FG', 0],\n    'GTQ': [undefined, 'Q'],\n    'GYD': [undefined, '$', 2],\n    'HKD': ['HK$', '$'],\n    'HNL': [undefined, 'L'],\n    'HRK': [undefined, 'kn'],\n    'HUF': [undefined, 'Ft', 2],\n    'IDR': [undefined, 'Rp', 2],\n    'ILS': ['₪'],\n    'INR': ['₹'],\n    'IQD': [undefined, undefined, 0],\n    'IRR': [undefined, undefined, 0],\n    'ISK': [undefined, 'kr', 0],\n    'ITL': [undefined, undefined, 0],\n    'JMD': [undefined, '$'],\n    'JOD': [undefined, undefined, 3],\n    'JPY': ['¥', undefined, 0],\n    'KHR': [undefined, '៛'],\n    'KMF': [undefined, 'CF', 0],\n    'KPW': [undefined, '₩', 0],\n    'KRW': ['₩', undefined, 0],\n    'KWD': [undefined, undefined, 3],\n    'KYD': [undefined, '$'],\n    'KZT': [undefined, '₸'],\n    'LAK': [undefined, '₭', 0],\n    'LBP': [undefined, 'L£', 0],\n    'LKR': [undefined, 'Rs'],\n    'LRD': [undefined, '$'],\n    'LTL': [undefined, 'Lt'],\n    'LUF': [undefined, undefined, 0],\n    'LVL': [undefined, 'Ls'],\n    'LYD': [undefined, undefined, 3],\n    'MGA': [undefined, 'Ar', 0],\n    'MGF': [undefined, undefined, 0],\n    'MMK': [undefined, 'K', 0],\n    'MNT': [undefined, '₮', 2],\n    'MRO': [undefined, undefined, 0],\n    'MUR': [undefined, 'Rs', 2],\n    'MXN': ['MX$', '$'],\n    'MYR': [undefined, 'RM'],\n    'NAD': [undefined, '$'],\n    'NGN': [undefined, '₦'],\n    'NIO': [undefined, 'C$'],\n    'NOK': [undefined, 'kr', 2],\n    'NPR': [undefined, 'Rs'],\n    'NZD': ['NZ$', '$'],\n    'OMR': [undefined, undefined, 3],\n    'PHP': [undefined, '₱'],\n    'PKR': [undefined, 'Rs', 2],\n    'PLN': [undefined, 'zł'],\n    'PYG': [undefined, '₲', 0],\n    'RON': [undefined, 'lei'],\n    'RSD': [undefined, undefined, 0],\n    'RUB': [undefined, '₽'],\n    'RUR': [undefined, 'р.'],\n    'RWF': [undefined, 'RF', 0],\n    'SBD': [undefined, '$'],\n    'SEK': [undefined, 'kr', 2],\n    'SGD': [undefined, '$'],\n    'SHP': [undefined, '£'],\n    'SLL': [undefined, undefined, 0],\n    'SOS': [undefined, undefined, 0],\n    'SRD': [undefined, '$'],\n    'SSP': [undefined, '£'],\n    'STD': [undefined, undefined, 0],\n    'STN': [undefined, 'Db'],\n    'SYP': [undefined, '£', 0],\n    'THB': [undefined, '฿'],\n    'TMM': [undefined, undefined, 0],\n    'TND': [undefined, undefined, 3],\n    'TOP': [undefined, 'T$'],\n    'TRL': [undefined, undefined, 0],\n    'TRY': [undefined, '₺'],\n    'TTD': [undefined, '$'],\n    'TWD': ['NT$', '$', 2],\n    'TZS': [undefined, undefined, 2],\n    'UAH': [undefined, '₴'],\n    'UGX': [undefined, undefined, 0],\n    'USD': ['$'],\n    'UYI': [undefined, undefined, 0],\n    'UYU': [undefined, '$'],\n    'UYW': [undefined, undefined, 4],\n    'UZS': [undefined, undefined, 2],\n    'VEF': [undefined, 'Bs', 2],\n    'VND': ['₫', undefined, 0],\n    'VUV': [undefined, undefined, 0],\n    'XAF': ['FCFA', undefined, 0],\n    'XCD': ['EC$', '$'],\n    'XOF': ['CFA', undefined, 0],\n    'XPF': ['CFPF', undefined, 0],\n    'XXX': ['¤'],\n    'YER': [undefined, undefined, 0],\n    'ZAR': [undefined, 'R'],\n    'ZMK': [undefined, undefined, 0],\n    'ZMW': [undefined, 'ZK'],\n    'ZWD': [undefined, undefined, 0]\n};\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Format styles that can be used to represent numbers.\n * @see `getLocaleNumberFormat()`.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nvar NumberFormatStyle;\n(function (NumberFormatStyle) {\n    NumberFormatStyle[NumberFormatStyle[\"Decimal\"] = 0] = \"Decimal\";\n    NumberFormatStyle[NumberFormatStyle[\"Percent\"] = 1] = \"Percent\";\n    NumberFormatStyle[NumberFormatStyle[\"Currency\"] = 2] = \"Currency\";\n    NumberFormatStyle[NumberFormatStyle[\"Scientific\"] = 3] = \"Scientific\";\n})(NumberFormatStyle || (NumberFormatStyle = {}));\n/**\n * Plurality cases used for translating plurals to different languages.\n *\n * @see `NgPlural`\n * @see `NgPluralCase`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nvar Plural;\n(function (Plural) {\n    Plural[Plural[\"Zero\"] = 0] = \"Zero\";\n    Plural[Plural[\"One\"] = 1] = \"One\";\n    Plural[Plural[\"Two\"] = 2] = \"Two\";\n    Plural[Plural[\"Few\"] = 3] = \"Few\";\n    Plural[Plural[\"Many\"] = 4] = \"Many\";\n    Plural[Plural[\"Other\"] = 5] = \"Other\";\n})(Plural || (Plural = {}));\n/**\n * Context-dependant translation forms for strings.\n * Typically the standalone version is for the nominative form of the word,\n * and the format version is used for the genitive case.\n * @see [CLDR website](http://cldr.unicode.org/translation/date-time#TOC-Stand-Alone-vs.-Format-Styles)\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nvar FormStyle;\n(function (FormStyle) {\n    FormStyle[FormStyle[\"Format\"] = 0] = \"Format\";\n    FormStyle[FormStyle[\"Standalone\"] = 1] = \"Standalone\";\n})(FormStyle || (FormStyle = {}));\n/**\n * String widths available for translations.\n * The specific character widths are locale-specific.\n * Examples are given for the word \"Sunday\" in English.\n *\n * @publicApi\n */\nvar TranslationWidth;\n(function (TranslationWidth) {\n    /** 1 character for `en-US`. For example: 'S' */\n    TranslationWidth[TranslationWidth[\"Narrow\"] = 0] = \"Narrow\";\n    /** 3 characters for `en-US`. For example: 'Sun' */\n    TranslationWidth[TranslationWidth[\"Abbreviated\"] = 1] = \"Abbreviated\";\n    /** Full length for `en-US`. For example: \"Sunday\" */\n    TranslationWidth[TranslationWidth[\"Wide\"] = 2] = \"Wide\";\n    /** 2 characters for `en-US`, For example: \"Su\" */\n    TranslationWidth[TranslationWidth[\"Short\"] = 3] = \"Short\";\n})(TranslationWidth || (TranslationWidth = {}));\n/**\n * String widths available for date-time formats.\n * The specific character widths are locale-specific.\n * Examples are given for `en-US`.\n *\n * @see `getLocaleDateFormat()`\n * @see `getLocaleTimeFormat()``\n * @see `getLocaleDateTimeFormat()`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n * @publicApi\n */\nvar FormatWidth;\n(function (FormatWidth) {\n    /**\n     * For `en-US`, 'M/d/yy, h:mm a'`\n     * (Example: `6/15/15, 9:03 AM`)\n     */\n    FormatWidth[FormatWidth[\"Short\"] = 0] = \"Short\";\n    /**\n     * For `en-US`, `'MMM d, y, h:mm:ss a'`\n     * (Example: `Jun 15, 2015, 9:03:01 AM`)\n     */\n    FormatWidth[FormatWidth[\"Medium\"] = 1] = \"Medium\";\n    /**\n     * For `en-US`, `'MMMM d, y, h:mm:ss a z'`\n     * (Example: `June 15, 2015 at 9:03:01 AM GMT+1`)\n     */\n    FormatWidth[FormatWidth[\"Long\"] = 2] = \"Long\";\n    /**\n     * For `en-US`, `'EEEE, MMMM d, y, h:mm:ss a zzzz'`\n     * (Example: `Monday, June 15, 2015 at 9:03:01 AM GMT+01:00`)\n     */\n    FormatWidth[FormatWidth[\"Full\"] = 3] = \"Full\";\n})(FormatWidth || (FormatWidth = {}));\n/**\n * Symbols that can be used to replace placeholders in number patterns.\n * Examples are based on `en-US` values.\n *\n * @see `getLocaleNumberSymbol()`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nvar NumberSymbol;\n(function (NumberSymbol) {\n    /**\n     * Decimal separator.\n     * For `en-US`, the dot character.\n     * Example : 2,345`.`67\n     */\n    NumberSymbol[NumberSymbol[\"Decimal\"] = 0] = \"Decimal\";\n    /**\n     * Grouping separator, typically for thousands.\n     * For `en-US`, the comma character.\n     * Example: 2`,`345.67\n     */\n    NumberSymbol[NumberSymbol[\"Group\"] = 1] = \"Group\";\n    /**\n     * List-item separator.\n     * Example: \"one, two, and three\"\n     */\n    NumberSymbol[NumberSymbol[\"List\"] = 2] = \"List\";\n    /**\n     * Sign for percentage (out of 100).\n     * Example: 23.4%\n     */\n    NumberSymbol[NumberSymbol[\"PercentSign\"] = 3] = \"PercentSign\";\n    /**\n     * Sign for positive numbers.\n     * Example: +23\n     */\n    NumberSymbol[NumberSymbol[\"PlusSign\"] = 4] = \"PlusSign\";\n    /**\n     * Sign for negative numbers.\n     * Example: -23\n     */\n    NumberSymbol[NumberSymbol[\"MinusSign\"] = 5] = \"MinusSign\";\n    /**\n     * Computer notation for exponential value (n times a power of 10).\n     * Example: 1.2E3\n     */\n    NumberSymbol[NumberSymbol[\"Exponential\"] = 6] = \"Exponential\";\n    /**\n     * Human-readable format of exponential.\n     * Example: 1.2x103\n     */\n    NumberSymbol[NumberSymbol[\"SuperscriptingExponent\"] = 7] = \"SuperscriptingExponent\";\n    /**\n     * Sign for permille (out of 1000).\n     * Example: 23.4‰\n     */\n    NumberSymbol[NumberSymbol[\"PerMille\"] = 8] = \"PerMille\";\n    /**\n     * Infinity, can be used with plus and minus.\n     * Example: ∞, +∞, -∞\n     */\n    NumberSymbol[NumberSymbol[\"Infinity\"] = 9] = \"Infinity\";\n    /**\n     * Not a number.\n     * Example: NaN\n     */\n    NumberSymbol[NumberSymbol[\"NaN\"] = 10] = \"NaN\";\n    /**\n     * Symbol used between time units.\n     * Example: 10:52\n     */\n    NumberSymbol[NumberSymbol[\"TimeSeparator\"] = 11] = \"TimeSeparator\";\n    /**\n     * Decimal separator for currency values (fallback to `Decimal`).\n     * Example: $2,345.67\n     */\n    NumberSymbol[NumberSymbol[\"CurrencyDecimal\"] = 12] = \"CurrencyDecimal\";\n    /**\n     * Group separator for currency values (fallback to `Group`).\n     * Example: $2,345.67\n     */\n    NumberSymbol[NumberSymbol[\"CurrencyGroup\"] = 13] = \"CurrencyGroup\";\n})(NumberSymbol || (NumberSymbol = {}));\n/**\n * The value for each day of the week, based on the `en-US` locale\n *\n * @publicApi\n */\nvar WeekDay;\n(function (WeekDay) {\n    WeekDay[WeekDay[\"Sunday\"] = 0] = \"Sunday\";\n    WeekDay[WeekDay[\"Monday\"] = 1] = \"Monday\";\n    WeekDay[WeekDay[\"Tuesday\"] = 2] = \"Tuesday\";\n    WeekDay[WeekDay[\"Wednesday\"] = 3] = \"Wednesday\";\n    WeekDay[WeekDay[\"Thursday\"] = 4] = \"Thursday\";\n    WeekDay[WeekDay[\"Friday\"] = 5] = \"Friday\";\n    WeekDay[WeekDay[\"Saturday\"] = 6] = \"Saturday\";\n})(WeekDay || (WeekDay = {}));\n/**\n * Retrieves the locale ID from the currently loaded locale.\n * The loaded locale could be, for example, a global one rather than a regional one.\n * @param locale A locale code, such as `fr-FR`.\n * @returns The locale code. For example, `fr`.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleId(locale) {\n    return ɵfindLocaleData(locale)[ɵLocaleDataIndex.LocaleId];\n}\n/**\n * Retrieves day period strings for the given locale.\n *\n * @param locale A locale code for the locale format rules to use.\n * @param formStyle The required grammatical form.\n * @param width The required character width.\n * @returns An array of localized period strings. For example, `[AM, PM]` for `en-US`.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleDayPeriods(locale, formStyle, width) {\n    var data = ɵfindLocaleData(locale);\n    var amPmData = [data[ɵLocaleDataIndex.DayPeriodsFormat], data[ɵLocaleDataIndex.DayPeriodsStandalone]];\n    var amPm = getLastDefinedValue(amPmData, formStyle);\n    return getLastDefinedValue(amPm, width);\n}\n/**\n * Retrieves days of the week for the given locale, using the Gregorian calendar.\n *\n * @param locale A locale code for the locale format rules to use.\n * @param formStyle The required grammatical form.\n * @param width The required character width.\n * @returns An array of localized name strings.\n * For example,`[Sunday, Monday, ... Saturday]` for `en-US`.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleDayNames(locale, formStyle, width) {\n    var data = ɵfindLocaleData(locale);\n    var daysData = [data[ɵLocaleDataIndex.DaysFormat], data[ɵLocaleDataIndex.DaysStandalone]];\n    var days = getLastDefinedValue(daysData, formStyle);\n    return getLastDefinedValue(days, width);\n}\n/**\n * Retrieves months of the year for the given locale, using the Gregorian calendar.\n *\n * @param locale A locale code for the locale format rules to use.\n * @param formStyle The required grammatical form.\n * @param width The required character width.\n * @returns An array of localized name strings.\n * For example,  `[January, February, ...]` for `en-US`.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleMonthNames(locale, formStyle, width) {\n    var data = ɵfindLocaleData(locale);\n    var monthsData = [data[ɵLocaleDataIndex.MonthsFormat], data[ɵLocaleDataIndex.MonthsStandalone]];\n    var months = getLastDefinedValue(monthsData, formStyle);\n    return getLastDefinedValue(months, width);\n}\n/**\n * Retrieves Gregorian-calendar eras for the given locale.\n * @param locale A locale code for the locale format rules to use.\n * @param formStyle The required grammatical form.\n * @param width The required character width.\n\n * @returns An array of localized era strings.\n * For example, `[AD, BC]` for `en-US`.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleEraNames(locale, width) {\n    var data = ɵfindLocaleData(locale);\n    var erasData = data[ɵLocaleDataIndex.Eras];\n    return getLastDefinedValue(erasData, width);\n}\n/**\n * Retrieves the first day of the week for the given locale.\n *\n * @param locale A locale code for the locale format rules to use.\n * @returns A day index number, using the 0-based week-day index for `en-US`\n * (Sunday = 0, Monday = 1, ...).\n * For example, for `fr-FR`, returns 1 to indicate that the first day is Monday.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleFirstDayOfWeek(locale) {\n    var data = ɵfindLocaleData(locale);\n    return data[ɵLocaleDataIndex.FirstDayOfWeek];\n}\n/**\n * Range of week days that are considered the week-end for the given locale.\n *\n * @param locale A locale code for the locale format rules to use.\n * @returns The range of day values, `[startDay, endDay]`.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleWeekEndRange(locale) {\n    var data = ɵfindLocaleData(locale);\n    return data[ɵLocaleDataIndex.WeekendRange];\n}\n/**\n * Retrieves a localized date-value formating string.\n *\n * @param locale A locale code for the locale format rules to use.\n * @param width The format type.\n * @returns The localized formating string.\n * @see `FormatWidth`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleDateFormat(locale, width) {\n    var data = ɵfindLocaleData(locale);\n    return getLastDefinedValue(data[ɵLocaleDataIndex.DateFormat], width);\n}\n/**\n * Retrieves a localized time-value formatting string.\n *\n * @param locale A locale code for the locale format rules to use.\n * @param width The format type.\n * @returns The localized formatting string.\n * @see `FormatWidth`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n\n * @publicApi\n */\nfunction getLocaleTimeFormat(locale, width) {\n    var data = ɵfindLocaleData(locale);\n    return getLastDefinedValue(data[ɵLocaleDataIndex.TimeFormat], width);\n}\n/**\n * Retrieves a localized date-time formatting string.\n *\n * @param locale A locale code for the locale format rules to use.\n * @param width The format type.\n * @returns The localized formatting string.\n * @see `FormatWidth`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleDateTimeFormat(locale, width) {\n    var data = ɵfindLocaleData(locale);\n    var dateTimeFormatData = data[ɵLocaleDataIndex.DateTimeFormat];\n    return getLastDefinedValue(dateTimeFormatData, width);\n}\n/**\n * Retrieves a localized number symbol that can be used to replace placeholders in number formats.\n * @param locale The locale code.\n * @param symbol The symbol to localize.\n * @returns The character for the localized symbol.\n * @see `NumberSymbol`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleNumberSymbol(locale, symbol) {\n    var data = ɵfindLocaleData(locale);\n    var res = data[ɵLocaleDataIndex.NumberSymbols][symbol];\n    if (typeof res === 'undefined') {\n        if (symbol === NumberSymbol.CurrencyDecimal) {\n            return data[ɵLocaleDataIndex.NumberSymbols][NumberSymbol.Decimal];\n        }\n        else if (symbol === NumberSymbol.CurrencyGroup) {\n            return data[ɵLocaleDataIndex.NumberSymbols][NumberSymbol.Group];\n        }\n    }\n    return res;\n}\n/**\n * Retrieves a number format for a given locale.\n *\n * Numbers are formatted using patterns, like `#,###.00`. For example, the pattern `#,###.00`\n * when used to format the number 12345.678 could result in \"12'345,678\". That would happen if the\n * grouping separator for your language is an apostrophe, and the decimal separator is a comma.\n *\n * <b>Important:</b> The characters `.` `,` `0` `#` (and others below) are special placeholders\n * that stand for the decimal separator, and so on, and are NOT real characters.\n * You must NOT \"translate\" the placeholders. For example, don't change `.` to `,` even though in\n * your language the decimal point is written with a comma. The symbols should be replaced by the\n * local equivalents, using the appropriate `NumberSymbol` for your language.\n *\n * Here are the special characters used in number patterns:\n *\n * | Symbol | Meaning |\n * |--------|---------|\n * | . | Replaced automatically by the character used for the decimal point. |\n * | , | Replaced by the \"grouping\" (thousands) separator. |\n * | 0 | Replaced by a digit (or zero if there aren't enough digits). |\n * | # | Replaced by a digit (or nothing if there aren't enough). |\n * | ¤ | Replaced by a currency symbol, such as $ or USD. |\n * | % | Marks a percent format. The % symbol may change position, but must be retained. |\n * | E | Marks a scientific format. The E symbol may change position, but must be retained. |\n * | ' | Special characters used as literal characters are quoted with ASCII single quotes. |\n *\n * @param locale A locale code for the locale format rules to use.\n * @param type The type of numeric value to be formatted (such as `Decimal` or `Currency`.)\n * @returns The localized format string.\n * @see `NumberFormatStyle`\n * @see [CLDR website](http://cldr.unicode.org/translation/number-patterns)\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleNumberFormat(locale, type) {\n    var data = ɵfindLocaleData(locale);\n    return data[ɵLocaleDataIndex.NumberFormats][type];\n}\n/**\n * Retrieves the symbol used to represent the currency for the main country\n * corresponding to a given locale. For example, '$' for `en-US`.\n *\n * @param locale A locale code for the locale format rules to use.\n * @returns The localized symbol character,\n * or `null` if the main country cannot be determined.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleCurrencySymbol(locale) {\n    var data = ɵfindLocaleData(locale);\n    return data[ɵLocaleDataIndex.CurrencySymbol] || null;\n}\n/**\n * Retrieves the name of the currency for the main country corresponding\n * to a given locale. For example, 'US Dollar' for `en-US`.\n * @param locale A locale code for the locale format rules to use.\n * @returns The currency name,\n * or `null` if the main country cannot be determined.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleCurrencyName(locale) {\n    var data = ɵfindLocaleData(locale);\n    return data[ɵLocaleDataIndex.CurrencyName] || null;\n}\n/**\n * Retrieves the default currency code for the given locale.\n *\n * The default is defined as the first currency which is still in use.\n *\n * @param locale The code of the locale whose currency code we want.\n * @returns The code of the default currency for the given locale.\n *\n * @publicApi\n */\nfunction getLocaleCurrencyCode(locale) {\n    return ɵgetLocaleCurrencyCode(locale);\n}\n/**\n * Retrieves the currency values for a given locale.\n * @param locale A locale code for the locale format rules to use.\n * @returns The currency values.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n */\nfunction getLocaleCurrencies(locale) {\n    var data = ɵfindLocaleData(locale);\n    return data[ɵLocaleDataIndex.Currencies];\n}\n/**\n * @alias core/ɵgetLocalePluralCase\n * @publicApi\n */\nvar getLocalePluralCase = ɵgetLocalePluralCase;\nfunction checkFullData(data) {\n    if (!data[ɵLocaleDataIndex.ExtraData]) {\n        throw new Error(\"Missing extra locale data for the locale \\\"\" + data[ɵLocaleDataIndex.LocaleId] + \"\\\". Use \\\"registerLocaleData\\\" to load new data. See the \\\"I18n guide\\\" on angular.io to know more.\");\n    }\n}\n/**\n * Retrieves locale-specific rules used to determine which day period to use\n * when more than one period is defined for a locale.\n *\n * There is a rule for each defined day period. The\n * first rule is applied to the first day period and so on.\n * Fall back to AM/PM when no rules are available.\n *\n * A rule can specify a period as time range, or as a single time value.\n *\n * This functionality is only available when you have loaded the full locale data.\n * See the [\"I18n guide\"](guide/i18n#i18n-pipes).\n *\n * @param locale A locale code for the locale format rules to use.\n * @returns The rules for the locale, a single time value or array of *from-time, to-time*,\n * or null if no periods are available.\n *\n * @see `getLocaleExtraDayPeriods()`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleExtraDayPeriodRules(locale) {\n    var data = ɵfindLocaleData(locale);\n    checkFullData(data);\n    var rules = data[ɵLocaleDataIndex.ExtraData][2 /* ExtraDayPeriodsRules */] || [];\n    return rules.map(function (rule) {\n        if (typeof rule === 'string') {\n            return extractTime(rule);\n        }\n        return [extractTime(rule[0]), extractTime(rule[1])];\n    });\n}\n/**\n * Retrieves locale-specific day periods, which indicate roughly how a day is broken up\n * in different languages.\n * For example, for `en-US`, periods are morning, noon, afternoon, evening, and midnight.\n *\n * This functionality is only available when you have loaded the full locale data.\n * See the [\"I18n guide\"](guide/i18n#i18n-pipes).\n *\n * @param locale A locale code for the locale format rules to use.\n * @param formStyle The required grammatical form.\n * @param width The required character width.\n * @returns The translated day-period strings.\n * @see `getLocaleExtraDayPeriodRules()`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLocaleExtraDayPeriods(locale, formStyle, width) {\n    var data = ɵfindLocaleData(locale);\n    checkFullData(data);\n    var dayPeriodsData = [\n        data[ɵLocaleDataIndex.ExtraData][0 /* ExtraDayPeriodFormats */],\n        data[ɵLocaleDataIndex.ExtraData][1 /* ExtraDayPeriodStandalone */]\n    ];\n    var dayPeriods = getLastDefinedValue(dayPeriodsData, formStyle) || [];\n    return getLastDefinedValue(dayPeriods, width) || [];\n}\n/**\n * Retrieves the first value that is defined in an array, going backwards from an index position.\n *\n * To avoid repeating the same data (as when the \"format\" and \"standalone\" forms are the same)\n * add the first value to the locale data arrays, and add other values only if they are different.\n *\n * @param data The data array to retrieve from.\n * @param index A 0-based index into the array to start from.\n * @returns The value immediately before the given index position.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getLastDefinedValue(data, index) {\n    for (var i = index; i > -1; i--) {\n        if (typeof data[i] !== 'undefined') {\n            return data[i];\n        }\n    }\n    throw new Error('Locale data API: locale data undefined');\n}\n/**\n * Extracts the hours and minutes from a string like \"15:45\"\n */\nfunction extractTime(time) {\n    var _a = __read(time.split(':'), 2), h = _a[0], m = _a[1];\n    return { hours: +h, minutes: +m };\n}\n/**\n * Retrieves the currency symbol for a given currency code.\n *\n * For example, for the default `en-US` locale, the code `USD` can\n * be represented by the narrow symbol `$` or the wide symbol `US$`.\n *\n * @param code The currency code.\n * @param format The format, `wide` or `narrow`.\n * @param locale A locale code for the locale format rules to use.\n *\n * @returns The symbol, or the currency code if no symbol is available.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getCurrencySymbol(code, format, locale) {\n    if (locale === void 0) { locale = 'en'; }\n    var currency = getLocaleCurrencies(locale)[code] || CURRENCIES_EN[code] || [];\n    var symbolNarrow = currency[1 /* SymbolNarrow */];\n    if (format === 'narrow' && typeof symbolNarrow === 'string') {\n        return symbolNarrow;\n    }\n    return currency[0 /* Symbol */] || code;\n}\n// Most currencies have cents, that's why the default is 2\nvar DEFAULT_NB_OF_CURRENCY_DIGITS = 2;\n/**\n * Reports the number of decimal digits for a given currency.\n * The value depends upon the presence of cents in that particular currency.\n *\n * @param code The currency code.\n * @returns The number of decimal digits, typically 0 or 2.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction getNumberOfCurrencyDigits(code) {\n    var digits;\n    var currency = CURRENCIES_EN[code];\n    if (currency) {\n        digits = currency[2 /* NbOfDigits */];\n    }\n    return typeof digits === 'number' ? digits : DEFAULT_NB_OF_CURRENCY_DIGITS;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ISO8601_DATE_REGEX = /^(\\d{4})-?(\\d\\d)-?(\\d\\d)(?:T(\\d\\d)(?::?(\\d\\d)(?::?(\\d\\d)(?:\\.(\\d+))?)?)?(Z|([+-])(\\d\\d):?(\\d\\d))?)?$/;\n//    1        2       3         4          5          6          7          8  9     10      11\nvar NAMED_FORMATS = {};\nvar DATE_FORMATS_SPLIT = /((?:[^GyMLwWdEabBhHmsSzZO']+)|(?:'(?:[^']|'')*')|(?:G{1,5}|y{1,4}|M{1,5}|L{1,5}|w{1,2}|W{1}|d{1,2}|E{1,6}|a{1,5}|b{1,5}|B{1,5}|h{1,2}|H{1,2}|m{1,2}|s{1,2}|S{1,3}|z{1,4}|Z{1,5}|O{1,4}))([\\s\\S]*)/;\nvar ZoneWidth;\n(function (ZoneWidth) {\n    ZoneWidth[ZoneWidth[\"Short\"] = 0] = \"Short\";\n    ZoneWidth[ZoneWidth[\"ShortGMT\"] = 1] = \"ShortGMT\";\n    ZoneWidth[ZoneWidth[\"Long\"] = 2] = \"Long\";\n    ZoneWidth[ZoneWidth[\"Extended\"] = 3] = \"Extended\";\n})(ZoneWidth || (ZoneWidth = {}));\nvar DateType;\n(function (DateType) {\n    DateType[DateType[\"FullYear\"] = 0] = \"FullYear\";\n    DateType[DateType[\"Month\"] = 1] = \"Month\";\n    DateType[DateType[\"Date\"] = 2] = \"Date\";\n    DateType[DateType[\"Hours\"] = 3] = \"Hours\";\n    DateType[DateType[\"Minutes\"] = 4] = \"Minutes\";\n    DateType[DateType[\"Seconds\"] = 5] = \"Seconds\";\n    DateType[DateType[\"FractionalSeconds\"] = 6] = \"FractionalSeconds\";\n    DateType[DateType[\"Day\"] = 7] = \"Day\";\n})(DateType || (DateType = {}));\nvar TranslationType;\n(function (TranslationType) {\n    TranslationType[TranslationType[\"DayPeriods\"] = 0] = \"DayPeriods\";\n    TranslationType[TranslationType[\"Days\"] = 1] = \"Days\";\n    TranslationType[TranslationType[\"Months\"] = 2] = \"Months\";\n    TranslationType[TranslationType[\"Eras\"] = 3] = \"Eras\";\n})(TranslationType || (TranslationType = {}));\n/**\n * @ngModule CommonModule\n * @description\n *\n * Formats a date according to locale rules.\n *\n * @param value The date to format, as a Date, or a number (milliseconds since UTC epoch)\n * or an [ISO date-time string](https://www.w3.org/TR/NOTE-datetime).\n * @param format The date-time components to include. See `DatePipe` for details.\n * @param locale A locale code for the locale format rules to use.\n * @param timezone The time zone. A time zone offset from GMT (such as `'+0430'`),\n * or a standard UTC/GMT or continental US time zone abbreviation.\n * If not specified, uses host system settings.\n *\n * @returns The formatted date string.\n *\n * @see `DatePipe`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction formatDate(value, format, locale, timezone) {\n    var date = toDate(value);\n    var namedFormat = getNamedFormat(locale, format);\n    format = namedFormat || format;\n    var parts = [];\n    var match;\n    while (format) {\n        match = DATE_FORMATS_SPLIT.exec(format);\n        if (match) {\n            parts = parts.concat(match.slice(1));\n            var part = parts.pop();\n            if (!part) {\n                break;\n            }\n            format = part;\n        }\n        else {\n            parts.push(format);\n            break;\n        }\n    }\n    var dateTimezoneOffset = date.getTimezoneOffset();\n    if (timezone) {\n        dateTimezoneOffset = timezoneToOffset(timezone, dateTimezoneOffset);\n        date = convertTimezoneToLocal(date, timezone, true);\n    }\n    var text = '';\n    parts.forEach(function (value) {\n        var dateFormatter = getDateFormatter(value);\n        text += dateFormatter ?\n            dateFormatter(date, locale, dateTimezoneOffset) :\n            value === '\\'\\'' ? '\\'' : value.replace(/(^'|'$)/g, '').replace(/''/g, '\\'');\n    });\n    return text;\n}\nfunction getNamedFormat(locale, format) {\n    var localeId = getLocaleId(locale);\n    NAMED_FORMATS[localeId] = NAMED_FORMATS[localeId] || {};\n    if (NAMED_FORMATS[localeId][format]) {\n        return NAMED_FORMATS[localeId][format];\n    }\n    var formatValue = '';\n    switch (format) {\n        case 'shortDate':\n            formatValue = getLocaleDateFormat(locale, FormatWidth.Short);\n            break;\n        case 'mediumDate':\n            formatValue = getLocaleDateFormat(locale, FormatWidth.Medium);\n            break;\n        case 'longDate':\n            formatValue = getLocaleDateFormat(locale, FormatWidth.Long);\n            break;\n        case 'fullDate':\n            formatValue = getLocaleDateFormat(locale, FormatWidth.Full);\n            break;\n        case 'shortTime':\n            formatValue = getLocaleTimeFormat(locale, FormatWidth.Short);\n            break;\n        case 'mediumTime':\n            formatValue = getLocaleTimeFormat(locale, FormatWidth.Medium);\n            break;\n        case 'longTime':\n            formatValue = getLocaleTimeFormat(locale, FormatWidth.Long);\n            break;\n        case 'fullTime':\n            formatValue = getLocaleTimeFormat(locale, FormatWidth.Full);\n            break;\n        case 'short':\n            var shortTime = getNamedFormat(locale, 'shortTime');\n            var shortDate = getNamedFormat(locale, 'shortDate');\n            formatValue = formatDateTime(getLocaleDateTimeFormat(locale, FormatWidth.Short), [shortTime, shortDate]);\n            break;\n        case 'medium':\n            var mediumTime = getNamedFormat(locale, 'mediumTime');\n            var mediumDate = getNamedFormat(locale, 'mediumDate');\n            formatValue = formatDateTime(getLocaleDateTimeFormat(locale, FormatWidth.Medium), [mediumTime, mediumDate]);\n            break;\n        case 'long':\n            var longTime = getNamedFormat(locale, 'longTime');\n            var longDate = getNamedFormat(locale, 'longDate');\n            formatValue =\n                formatDateTime(getLocaleDateTimeFormat(locale, FormatWidth.Long), [longTime, longDate]);\n            break;\n        case 'full':\n            var fullTime = getNamedFormat(locale, 'fullTime');\n            var fullDate = getNamedFormat(locale, 'fullDate');\n            formatValue =\n                formatDateTime(getLocaleDateTimeFormat(locale, FormatWidth.Full), [fullTime, fullDate]);\n            break;\n    }\n    if (formatValue) {\n        NAMED_FORMATS[localeId][format] = formatValue;\n    }\n    return formatValue;\n}\nfunction formatDateTime(str, opt_values) {\n    if (opt_values) {\n        str = str.replace(/\\{([^}]+)}/g, function (match, key) {\n            return (opt_values != null && key in opt_values) ? opt_values[key] : match;\n        });\n    }\n    return str;\n}\nfunction padNumber(num, digits, minusSign, trim, negWrap) {\n    if (minusSign === void 0) { minusSign = '-'; }\n    var neg = '';\n    if (num < 0 || (negWrap && num <= 0)) {\n        if (negWrap) {\n            num = -num + 1;\n        }\n        else {\n            num = -num;\n            neg = minusSign;\n        }\n    }\n    var strNum = String(num);\n    while (strNum.length < digits) {\n        strNum = '0' + strNum;\n    }\n    if (trim) {\n        strNum = strNum.substr(strNum.length - digits);\n    }\n    return neg + strNum;\n}\nfunction formatFractionalSeconds(milliseconds, digits) {\n    var strMs = padNumber(milliseconds, 3);\n    return strMs.substr(0, digits);\n}\n/**\n * Returns a date formatter that transforms a date into its locale digit representation\n */\nfunction dateGetter(name, size, offset, trim, negWrap) {\n    if (offset === void 0) { offset = 0; }\n    if (trim === void 0) { trim = false; }\n    if (negWrap === void 0) { negWrap = false; }\n    return function (date, locale) {\n        var part = getDatePart(name, date);\n        if (offset > 0 || part > -offset) {\n            part += offset;\n        }\n        if (name === DateType.Hours) {\n            if (part === 0 && offset === -12) {\n                part = 12;\n            }\n        }\n        else if (name === DateType.FractionalSeconds) {\n            return formatFractionalSeconds(part, size);\n        }\n        var localeMinus = getLocaleNumberSymbol(locale, NumberSymbol.MinusSign);\n        return padNumber(part, size, localeMinus, trim, negWrap);\n    };\n}\nfunction getDatePart(part, date) {\n    switch (part) {\n        case DateType.FullYear:\n            return date.getFullYear();\n        case DateType.Month:\n            return date.getMonth();\n        case DateType.Date:\n            return date.getDate();\n        case DateType.Hours:\n            return date.getHours();\n        case DateType.Minutes:\n            return date.getMinutes();\n        case DateType.Seconds:\n            return date.getSeconds();\n        case DateType.FractionalSeconds:\n            return date.getMilliseconds();\n        case DateType.Day:\n            return date.getDay();\n        default:\n            throw new Error(\"Unknown DateType value \\\"\" + part + \"\\\".\");\n    }\n}\n/**\n * Returns a date formatter that transforms a date into its locale string representation\n */\nfunction dateStrGetter(name, width, form, extended) {\n    if (form === void 0) { form = FormStyle.Format; }\n    if (extended === void 0) { extended = false; }\n    return function (date, locale) {\n        return getDateTranslation(date, locale, name, width, form, extended);\n    };\n}\n/**\n * Returns the locale translation of a date for a given form, type and width\n */\nfunction getDateTranslation(date, locale, name, width, form, extended) {\n    switch (name) {\n        case TranslationType.Months:\n            return getLocaleMonthNames(locale, form, width)[date.getMonth()];\n        case TranslationType.Days:\n            return getLocaleDayNames(locale, form, width)[date.getDay()];\n        case TranslationType.DayPeriods:\n            var currentHours_1 = date.getHours();\n            var currentMinutes_1 = date.getMinutes();\n            if (extended) {\n                var rules = getLocaleExtraDayPeriodRules(locale);\n                var dayPeriods_1 = getLocaleExtraDayPeriods(locale, form, width);\n                var result_1;\n                rules.forEach(function (rule, index) {\n                    if (Array.isArray(rule)) {\n                        // morning, afternoon, evening, night\n                        var _a = rule[0], hoursFrom = _a.hours, minutesFrom = _a.minutes;\n                        var _b = rule[1], hoursTo = _b.hours, minutesTo = _b.minutes;\n                        if (currentHours_1 >= hoursFrom && currentMinutes_1 >= minutesFrom &&\n                            (currentHours_1 < hoursTo ||\n                                (currentHours_1 === hoursTo && currentMinutes_1 < minutesTo))) {\n                            result_1 = dayPeriods_1[index];\n                        }\n                    }\n                    else { // noon or midnight\n                        var hours = rule.hours, minutes = rule.minutes;\n                        if (hours === currentHours_1 && minutes === currentMinutes_1) {\n                            result_1 = dayPeriods_1[index];\n                        }\n                    }\n                });\n                if (result_1) {\n                    return result_1;\n                }\n            }\n            // if no rules for the day periods, we use am/pm by default\n            return getLocaleDayPeriods(locale, form, width)[currentHours_1 < 12 ? 0 : 1];\n        case TranslationType.Eras:\n            return getLocaleEraNames(locale, width)[date.getFullYear() <= 0 ? 0 : 1];\n        default:\n            // This default case is not needed by TypeScript compiler, as the switch is exhaustive.\n            // However Closure Compiler does not understand that and reports an error in typed mode.\n            // The `throw new Error` below works around the problem, and the unexpected: never variable\n            // makes sure tsc still checks this code is unreachable.\n            var unexpected = name;\n            throw new Error(\"unexpected translation type \" + unexpected);\n    }\n}\n/**\n * Returns a date formatter that transforms a date and an offset into a timezone with ISO8601 or\n * GMT format depending on the width (eg: short = +0430, short:GMT = GMT+4, long = GMT+04:30,\n * extended = +04:30)\n */\nfunction timeZoneGetter(width) {\n    return function (date, locale, offset) {\n        var zone = -1 * offset;\n        var minusSign = getLocaleNumberSymbol(locale, NumberSymbol.MinusSign);\n        var hours = zone > 0 ? Math.floor(zone / 60) : Math.ceil(zone / 60);\n        switch (width) {\n            case ZoneWidth.Short:\n                return ((zone >= 0) ? '+' : '') + padNumber(hours, 2, minusSign) +\n                    padNumber(Math.abs(zone % 60), 2, minusSign);\n            case ZoneWidth.ShortGMT:\n                return 'GMT' + ((zone >= 0) ? '+' : '') + padNumber(hours, 1, minusSign);\n            case ZoneWidth.Long:\n                return 'GMT' + ((zone >= 0) ? '+' : '') + padNumber(hours, 2, minusSign) + ':' +\n                    padNumber(Math.abs(zone % 60), 2, minusSign);\n            case ZoneWidth.Extended:\n                if (offset === 0) {\n                    return 'Z';\n                }\n                else {\n                    return ((zone >= 0) ? '+' : '') + padNumber(hours, 2, minusSign) + ':' +\n                        padNumber(Math.abs(zone % 60), 2, minusSign);\n                }\n            default:\n                throw new Error(\"Unknown zone width \\\"\" + width + \"\\\"\");\n        }\n    };\n}\nvar JANUARY = 0;\nvar THURSDAY = 4;\nfunction getFirstThursdayOfYear(year) {\n    var firstDayOfYear = (new Date(year, JANUARY, 1)).getDay();\n    return new Date(year, 0, 1 + ((firstDayOfYear <= THURSDAY) ? THURSDAY : THURSDAY + 7) - firstDayOfYear);\n}\nfunction getThursdayThisWeek(datetime) {\n    return new Date(datetime.getFullYear(), datetime.getMonth(), datetime.getDate() + (THURSDAY - datetime.getDay()));\n}\nfunction weekGetter(size, monthBased) {\n    if (monthBased === void 0) { monthBased = false; }\n    return function (date, locale) {\n        var result;\n        if (monthBased) {\n            var nbDaysBefore1stDayOfMonth = new Date(date.getFullYear(), date.getMonth(), 1).getDay() - 1;\n            var today = date.getDate();\n            result = 1 + Math.floor((today + nbDaysBefore1stDayOfMonth) / 7);\n        }\n        else {\n            var firstThurs = getFirstThursdayOfYear(date.getFullYear());\n            var thisThurs = getThursdayThisWeek(date);\n            var diff = thisThurs.getTime() - firstThurs.getTime();\n            result = 1 + Math.round(diff / 6.048e8); // 6.048e8 ms per week\n        }\n        return padNumber(result, size, getLocaleNumberSymbol(locale, NumberSymbol.MinusSign));\n    };\n}\nvar DATE_FORMATS = {};\n// Based on CLDR formats:\n// See complete list: http://www.unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table\n// See also explanations: http://cldr.unicode.org/translation/date-time\n// TODO(ocombe): support all missing cldr formats: Y, U, Q, D, F, e, c, j, J, C, A, v, V, X, x\nfunction getDateFormatter(format) {\n    if (DATE_FORMATS[format]) {\n        return DATE_FORMATS[format];\n    }\n    var formatter;\n    switch (format) {\n        // Era name (AD/BC)\n        case 'G':\n        case 'GG':\n        case 'GGG':\n            formatter = dateStrGetter(TranslationType.Eras, TranslationWidth.Abbreviated);\n            break;\n        case 'GGGG':\n            formatter = dateStrGetter(TranslationType.Eras, TranslationWidth.Wide);\n            break;\n        case 'GGGGG':\n            formatter = dateStrGetter(TranslationType.Eras, TranslationWidth.Narrow);\n            break;\n        // 1 digit representation of the year, e.g. (AD 1 => 1, AD 199 => 199)\n        case 'y':\n            formatter = dateGetter(DateType.FullYear, 1, 0, false, true);\n            break;\n        // 2 digit representation of the year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10)\n        case 'yy':\n            formatter = dateGetter(DateType.FullYear, 2, 0, true, true);\n            break;\n        // 3 digit representation of the year, padded (000-999). (e.g. AD 2001 => 01, AD 2010 => 10)\n        case 'yyy':\n            formatter = dateGetter(DateType.FullYear, 3, 0, false, true);\n            break;\n        // 4 digit representation of the year (e.g. AD 1 => 0001, AD 2010 => 2010)\n        case 'yyyy':\n            formatter = dateGetter(DateType.FullYear, 4, 0, false, true);\n            break;\n        // Month of the year (1-12), numeric\n        case 'M':\n        case 'L':\n            formatter = dateGetter(DateType.Month, 1, 1);\n            break;\n        case 'MM':\n        case 'LL':\n            formatter = dateGetter(DateType.Month, 2, 1);\n            break;\n        // Month of the year (January, ...), string, format\n        case 'MMM':\n            formatter = dateStrGetter(TranslationType.Months, TranslationWidth.Abbreviated);\n            break;\n        case 'MMMM':\n            formatter = dateStrGetter(TranslationType.Months, TranslationWidth.Wide);\n            break;\n        case 'MMMMM':\n            formatter = dateStrGetter(TranslationType.Months, TranslationWidth.Narrow);\n            break;\n        // Month of the year (January, ...), string, standalone\n        case 'LLL':\n            formatter =\n                dateStrGetter(TranslationType.Months, TranslationWidth.Abbreviated, FormStyle.Standalone);\n            break;\n        case 'LLLL':\n            formatter =\n                dateStrGetter(TranslationType.Months, TranslationWidth.Wide, FormStyle.Standalone);\n            break;\n        case 'LLLLL':\n            formatter =\n                dateStrGetter(TranslationType.Months, TranslationWidth.Narrow, FormStyle.Standalone);\n            break;\n        // Week of the year (1, ... 52)\n        case 'w':\n            formatter = weekGetter(1);\n            break;\n        case 'ww':\n            formatter = weekGetter(2);\n            break;\n        // Week of the month (1, ...)\n        case 'W':\n            formatter = weekGetter(1, true);\n            break;\n        // Day of the month (1-31)\n        case 'd':\n            formatter = dateGetter(DateType.Date, 1);\n            break;\n        case 'dd':\n            formatter = dateGetter(DateType.Date, 2);\n            break;\n        // Day of the Week\n        case 'E':\n        case 'EE':\n        case 'EEE':\n            formatter = dateStrGetter(TranslationType.Days, TranslationWidth.Abbreviated);\n            break;\n        case 'EEEE':\n            formatter = dateStrGetter(TranslationType.Days, TranslationWidth.Wide);\n            break;\n        case 'EEEEE':\n            formatter = dateStrGetter(TranslationType.Days, TranslationWidth.Narrow);\n            break;\n        case 'EEEEEE':\n            formatter = dateStrGetter(TranslationType.Days, TranslationWidth.Short);\n            break;\n        // Generic period of the day (am-pm)\n        case 'a':\n        case 'aa':\n        case 'aaa':\n            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Abbreviated);\n            break;\n        case 'aaaa':\n            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Wide);\n            break;\n        case 'aaaaa':\n            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Narrow);\n            break;\n        // Extended period of the day (midnight, at night, ...), standalone\n        case 'b':\n        case 'bb':\n        case 'bbb':\n            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Abbreviated, FormStyle.Standalone, true);\n            break;\n        case 'bbbb':\n            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Wide, FormStyle.Standalone, true);\n            break;\n        case 'bbbbb':\n            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Narrow, FormStyle.Standalone, true);\n            break;\n        // Extended period of the day (midnight, night, ...), standalone\n        case 'B':\n        case 'BB':\n        case 'BBB':\n            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Abbreviated, FormStyle.Format, true);\n            break;\n        case 'BBBB':\n            formatter =\n                dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Wide, FormStyle.Format, true);\n            break;\n        case 'BBBBB':\n            formatter = dateStrGetter(TranslationType.DayPeriods, TranslationWidth.Narrow, FormStyle.Format, true);\n            break;\n        // Hour in AM/PM, (1-12)\n        case 'h':\n            formatter = dateGetter(DateType.Hours, 1, -12);\n            break;\n        case 'hh':\n            formatter = dateGetter(DateType.Hours, 2, -12);\n            break;\n        // Hour of the day (0-23)\n        case 'H':\n            formatter = dateGetter(DateType.Hours, 1);\n            break;\n        // Hour in day, padded (00-23)\n        case 'HH':\n            formatter = dateGetter(DateType.Hours, 2);\n            break;\n        // Minute of the hour (0-59)\n        case 'm':\n            formatter = dateGetter(DateType.Minutes, 1);\n            break;\n        case 'mm':\n            formatter = dateGetter(DateType.Minutes, 2);\n            break;\n        // Second of the minute (0-59)\n        case 's':\n            formatter = dateGetter(DateType.Seconds, 1);\n            break;\n        case 'ss':\n            formatter = dateGetter(DateType.Seconds, 2);\n            break;\n        // Fractional second\n        case 'S':\n            formatter = dateGetter(DateType.FractionalSeconds, 1);\n            break;\n        case 'SS':\n            formatter = dateGetter(DateType.FractionalSeconds, 2);\n            break;\n        case 'SSS':\n            formatter = dateGetter(DateType.FractionalSeconds, 3);\n            break;\n        // Timezone ISO8601 short format (-0430)\n        case 'Z':\n        case 'ZZ':\n        case 'ZZZ':\n            formatter = timeZoneGetter(ZoneWidth.Short);\n            break;\n        // Timezone ISO8601 extended format (-04:30)\n        case 'ZZZZZ':\n            formatter = timeZoneGetter(ZoneWidth.Extended);\n            break;\n        // Timezone GMT short format (GMT+4)\n        case 'O':\n        case 'OO':\n        case 'OOO':\n        // Should be location, but fallback to format O instead because we don't have the data yet\n        case 'z':\n        case 'zz':\n        case 'zzz':\n            formatter = timeZoneGetter(ZoneWidth.ShortGMT);\n            break;\n        // Timezone GMT long format (GMT+0430)\n        case 'OOOO':\n        case 'ZZZZ':\n        // Should be location, but fallback to format O instead because we don't have the data yet\n        case 'zzzz':\n            formatter = timeZoneGetter(ZoneWidth.Long);\n            break;\n        default:\n            return null;\n    }\n    DATE_FORMATS[format] = formatter;\n    return formatter;\n}\nfunction timezoneToOffset(timezone, fallback) {\n    // Support: IE 9-11 only, Edge 13-15+\n    // IE/Edge do not \"understand\" colon (`:`) in timezone\n    timezone = timezone.replace(/:/g, '');\n    var requestedTimezoneOffset = Date.parse('Jan 01, 1970 00:00:00 ' + timezone) / 60000;\n    return isNaN(requestedTimezoneOffset) ? fallback : requestedTimezoneOffset;\n}\nfunction addDateMinutes(date, minutes) {\n    date = new Date(date.getTime());\n    date.setMinutes(date.getMinutes() + minutes);\n    return date;\n}\nfunction convertTimezoneToLocal(date, timezone, reverse) {\n    var reverseValue = reverse ? -1 : 1;\n    var dateTimezoneOffset = date.getTimezoneOffset();\n    var timezoneOffset = timezoneToOffset(timezone, dateTimezoneOffset);\n    return addDateMinutes(date, reverseValue * (timezoneOffset - dateTimezoneOffset));\n}\n/**\n * Converts a value to date.\n *\n * Supported input formats:\n * - `Date`\n * - number: timestamp\n * - string: numeric (e.g. \"1234\"), ISO and date strings in a format supported by\n *   [Date.parse()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/parse).\n *   Note: ISO strings without time return a date without timeoffset.\n *\n * Throws if unable to convert to a date.\n */\nfunction toDate(value) {\n    if (isDate(value)) {\n        return value;\n    }\n    if (typeof value === 'number' && !isNaN(value)) {\n        return new Date(value);\n    }\n    if (typeof value === 'string') {\n        value = value.trim();\n        var parsedNb = parseFloat(value);\n        // any string that only contains numbers, like \"1234\" but not like \"1234hello\"\n        if (!isNaN(value - parsedNb)) {\n            return new Date(parsedNb);\n        }\n        if (/^(\\d{4}-\\d{1,2}-\\d{1,2})$/.test(value)) {\n            /* For ISO Strings without time the day, month and year must be extracted from the ISO String\n            before Date creation to avoid time offset and errors in the new Date.\n            If we only replace '-' with ',' in the ISO String (\"2015,01,01\"), and try to create a new\n            date, some browsers (e.g. IE 9) will throw an invalid Date error.\n            If we leave the '-' (\"2015-01-01\") and try to create a new Date(\"2015-01-01\") the timeoffset\n            is applied.\n            Note: ISO months are 0 for January, 1 for February, ... */\n            var _a = __read(value.split('-').map(function (val) { return +val; }), 3), y = _a[0], m = _a[1], d = _a[2];\n            return new Date(y, m - 1, d);\n        }\n        var match = void 0;\n        if (match = value.match(ISO8601_DATE_REGEX)) {\n            return isoStringToDate(match);\n        }\n    }\n    var date = new Date(value);\n    if (!isDate(date)) {\n        throw new Error(\"Unable to convert \\\"\" + value + \"\\\" into a date\");\n    }\n    return date;\n}\n/**\n * Converts a date in ISO8601 to a Date.\n * Used instead of `Date.parse` because of browser discrepancies.\n */\nfunction isoStringToDate(match) {\n    var date = new Date(0);\n    var tzHour = 0;\n    var tzMin = 0;\n    // match[8] means that the string contains \"Z\" (UTC) or a timezone like \"+01:00\" or \"+0100\"\n    var dateSetter = match[8] ? date.setUTCFullYear : date.setFullYear;\n    var timeSetter = match[8] ? date.setUTCHours : date.setHours;\n    // if there is a timezone defined like \"+01:00\" or \"+0100\"\n    if (match[9]) {\n        tzHour = Number(match[9] + match[10]);\n        tzMin = Number(match[9] + match[11]);\n    }\n    dateSetter.call(date, Number(match[1]), Number(match[2]) - 1, Number(match[3]));\n    var h = Number(match[4] || 0) - tzHour;\n    var m = Number(match[5] || 0) - tzMin;\n    var s = Number(match[6] || 0);\n    var ms = Math.round(parseFloat('0.' + (match[7] || 0)) * 1000);\n    timeSetter.call(date, h, m, s, ms);\n    return date;\n}\nfunction isDate(value) {\n    return value instanceof Date && !isNaN(value.valueOf());\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar NUMBER_FORMAT_REGEXP = /^(\\d+)?\\.((\\d+)(-(\\d+))?)?$/;\nvar MAX_DIGITS = 22;\nvar DECIMAL_SEP = '.';\nvar ZERO_CHAR = '0';\nvar PATTERN_SEP = ';';\nvar GROUP_SEP = ',';\nvar DIGIT_CHAR = '#';\nvar CURRENCY_CHAR = '¤';\nvar PERCENT_CHAR = '%';\n/**\n * Transforms a number to a locale string based on a style and a format.\n */\nfunction formatNumberToLocaleString(value, pattern, locale, groupSymbol, decimalSymbol, digitsInfo, isPercent) {\n    if (isPercent === void 0) { isPercent = false; }\n    var formattedText = '';\n    var isZero = false;\n    if (!isFinite(value)) {\n        formattedText = getLocaleNumberSymbol(locale, NumberSymbol.Infinity);\n    }\n    else {\n        var parsedNumber = parseNumber(value);\n        if (isPercent) {\n            parsedNumber = toPercent(parsedNumber);\n        }\n        var minInt = pattern.minInt;\n        var minFraction = pattern.minFrac;\n        var maxFraction = pattern.maxFrac;\n        if (digitsInfo) {\n            var parts = digitsInfo.match(NUMBER_FORMAT_REGEXP);\n            if (parts === null) {\n                throw new Error(digitsInfo + \" is not a valid digit info\");\n            }\n            var minIntPart = parts[1];\n            var minFractionPart = parts[3];\n            var maxFractionPart = parts[5];\n            if (minIntPart != null) {\n                minInt = parseIntAutoRadix(minIntPart);\n            }\n            if (minFractionPart != null) {\n                minFraction = parseIntAutoRadix(minFractionPart);\n            }\n            if (maxFractionPart != null) {\n                maxFraction = parseIntAutoRadix(maxFractionPart);\n            }\n            else if (minFractionPart != null && minFraction > maxFraction) {\n                maxFraction = minFraction;\n            }\n        }\n        roundNumber(parsedNumber, minFraction, maxFraction);\n        var digits = parsedNumber.digits;\n        var integerLen = parsedNumber.integerLen;\n        var exponent = parsedNumber.exponent;\n        var decimals = [];\n        isZero = digits.every(function (d) { return !d; });\n        // pad zeros for small numbers\n        for (; integerLen < minInt; integerLen++) {\n            digits.unshift(0);\n        }\n        // pad zeros for small numbers\n        for (; integerLen < 0; integerLen++) {\n            digits.unshift(0);\n        }\n        // extract decimals digits\n        if (integerLen > 0) {\n            decimals = digits.splice(integerLen, digits.length);\n        }\n        else {\n            decimals = digits;\n            digits = [0];\n        }\n        // format the integer digits with grouping separators\n        var groups = [];\n        if (digits.length >= pattern.lgSize) {\n            groups.unshift(digits.splice(-pattern.lgSize, digits.length).join(''));\n        }\n        while (digits.length > pattern.gSize) {\n            groups.unshift(digits.splice(-pattern.gSize, digits.length).join(''));\n        }\n        if (digits.length) {\n            groups.unshift(digits.join(''));\n        }\n        formattedText = groups.join(getLocaleNumberSymbol(locale, groupSymbol));\n        // append the decimal digits\n        if (decimals.length) {\n            formattedText += getLocaleNumberSymbol(locale, decimalSymbol) + decimals.join('');\n        }\n        if (exponent) {\n            formattedText += getLocaleNumberSymbol(locale, NumberSymbol.Exponential) + '+' + exponent;\n        }\n    }\n    if (value < 0 && !isZero) {\n        formattedText = pattern.negPre + formattedText + pattern.negSuf;\n    }\n    else {\n        formattedText = pattern.posPre + formattedText + pattern.posSuf;\n    }\n    return formattedText;\n}\n/**\n * @ngModule CommonModule\n * @description\n *\n * Formats a number as currency using locale rules.\n *\n * @param value The number to format.\n * @param locale A locale code for the locale format rules to use.\n * @param currency A string containing the currency symbol or its name,\n * such as \"$\" or \"Canadian Dollar\". Used in output string, but does not affect the operation\n * of the function.\n * @param currencyCode The [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217)\n * currency code, such as `USD` for the US dollar and `EUR` for the euro.\n * Used to determine the number of digits in the decimal part.\n * @param digitInfo Decimal representation options, specified by a string in the following format:\n * `{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}`. See `DecimalPipe` for more details.\n *\n * @returns The formatted currency value.\n *\n * @see `formatNumber()`\n * @see `DecimalPipe`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction formatCurrency(value, locale, currency, currencyCode, digitsInfo) {\n    var format = getLocaleNumberFormat(locale, NumberFormatStyle.Currency);\n    var pattern = parseNumberFormat(format, getLocaleNumberSymbol(locale, NumberSymbol.MinusSign));\n    pattern.minFrac = getNumberOfCurrencyDigits(currencyCode);\n    pattern.maxFrac = pattern.minFrac;\n    var res = formatNumberToLocaleString(value, pattern, locale, NumberSymbol.CurrencyGroup, NumberSymbol.CurrencyDecimal, digitsInfo);\n    return res\n        .replace(CURRENCY_CHAR, currency)\n        // if we have 2 time the currency character, the second one is ignored\n        .replace(CURRENCY_CHAR, '')\n        // If there is a spacing between currency character and the value and\n        // the currency character is supressed by passing an empty string, the\n        // spacing character would remain as part of the string. Then we\n        // should remove it.\n        .trim();\n}\n/**\n * @ngModule CommonModule\n * @description\n *\n * Formats a number as a percentage according to locale rules.\n *\n * @param value The number to format.\n * @param locale A locale code for the locale format rules to use.\n * @param digitInfo Decimal representation options, specified by a string in the following format:\n * `{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}`. See `DecimalPipe` for more details.\n *\n * @returns The formatted percentage value.\n *\n * @see `formatNumber()`\n * @see `DecimalPipe`\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n * @publicApi\n *\n */\nfunction formatPercent(value, locale, digitsInfo) {\n    var format = getLocaleNumberFormat(locale, NumberFormatStyle.Percent);\n    var pattern = parseNumberFormat(format, getLocaleNumberSymbol(locale, NumberSymbol.MinusSign));\n    var res = formatNumberToLocaleString(value, pattern, locale, NumberSymbol.Group, NumberSymbol.Decimal, digitsInfo, true);\n    return res.replace(new RegExp(PERCENT_CHAR, 'g'), getLocaleNumberSymbol(locale, NumberSymbol.PercentSign));\n}\n/**\n * @ngModule CommonModule\n * @description\n *\n * Formats a number as text, with group sizing, separator, and other\n * parameters based on the locale.\n *\n * @param value The number to format.\n * @param locale A locale code for the locale format rules to use.\n * @param digitInfo Decimal representation options, specified by a string in the following format:\n * `{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}`. See `DecimalPipe` for more details.\n *\n * @returns The formatted text string.\n * @see [Internationalization (i18n) Guide](https://angular.io/guide/i18n)\n *\n * @publicApi\n */\nfunction formatNumber(value, locale, digitsInfo) {\n    var format = getLocaleNumberFormat(locale, NumberFormatStyle.Decimal);\n    var pattern = parseNumberFormat(format, getLocaleNumberSymbol(locale, NumberSymbol.MinusSign));\n    return formatNumberToLocaleString(value, pattern, locale, NumberSymbol.Group, NumberSymbol.Decimal, digitsInfo);\n}\nfunction parseNumberFormat(format, minusSign) {\n    if (minusSign === void 0) { minusSign = '-'; }\n    var p = {\n        minInt: 1,\n        minFrac: 0,\n        maxFrac: 0,\n        posPre: '',\n        posSuf: '',\n        negPre: '',\n        negSuf: '',\n        gSize: 0,\n        lgSize: 0\n    };\n    var patternParts = format.split(PATTERN_SEP);\n    var positive = patternParts[0];\n    var negative = patternParts[1];\n    var positiveParts = positive.indexOf(DECIMAL_SEP) !== -1 ?\n        positive.split(DECIMAL_SEP) :\n        [\n            positive.substring(0, positive.lastIndexOf(ZERO_CHAR) + 1),\n            positive.substring(positive.lastIndexOf(ZERO_CHAR) + 1)\n        ], integer = positiveParts[0], fraction = positiveParts[1] || '';\n    p.posPre = integer.substr(0, integer.indexOf(DIGIT_CHAR));\n    for (var i = 0; i < fraction.length; i++) {\n        var ch = fraction.charAt(i);\n        if (ch === ZERO_CHAR) {\n            p.minFrac = p.maxFrac = i + 1;\n        }\n        else if (ch === DIGIT_CHAR) {\n            p.maxFrac = i + 1;\n        }\n        else {\n            p.posSuf += ch;\n        }\n    }\n    var groups = integer.split(GROUP_SEP);\n    p.gSize = groups[1] ? groups[1].length : 0;\n    p.lgSize = (groups[2] || groups[1]) ? (groups[2] || groups[1]).length : 0;\n    if (negative) {\n        var trunkLen = positive.length - p.posPre.length - p.posSuf.length, pos = negative.indexOf(DIGIT_CHAR);\n        p.negPre = negative.substr(0, pos).replace(/'/g, '');\n        p.negSuf = negative.substr(pos + trunkLen).replace(/'/g, '');\n    }\n    else {\n        p.negPre = minusSign + p.posPre;\n        p.negSuf = p.posSuf;\n    }\n    return p;\n}\n// Transforms a parsed number into a percentage by multiplying it by 100\nfunction toPercent(parsedNumber) {\n    // if the number is 0, don't do anything\n    if (parsedNumber.digits[0] === 0) {\n        return parsedNumber;\n    }\n    // Getting the current number of decimals\n    var fractionLen = parsedNumber.digits.length - parsedNumber.integerLen;\n    if (parsedNumber.exponent) {\n        parsedNumber.exponent += 2;\n    }\n    else {\n        if (fractionLen === 0) {\n            parsedNumber.digits.push(0, 0);\n        }\n        else if (fractionLen === 1) {\n            parsedNumber.digits.push(0);\n        }\n        parsedNumber.integerLen += 2;\n    }\n    return parsedNumber;\n}\n/**\n * Parses a number.\n * Significant bits of this parse algorithm came from https://github.com/MikeMcl/big.js/\n */\nfunction parseNumber(num) {\n    var numStr = Math.abs(num) + '';\n    var exponent = 0, digits, integerLen;\n    var i, j, zeros;\n    // Decimal point?\n    if ((integerLen = numStr.indexOf(DECIMAL_SEP)) > -1) {\n        numStr = numStr.replace(DECIMAL_SEP, '');\n    }\n    // Exponential form?\n    if ((i = numStr.search(/e/i)) > 0) {\n        // Work out the exponent.\n        if (integerLen < 0)\n            integerLen = i;\n        integerLen += +numStr.slice(i + 1);\n        numStr = numStr.substring(0, i);\n    }\n    else if (integerLen < 0) {\n        // There was no decimal point or exponent so it is an integer.\n        integerLen = numStr.length;\n    }\n    // Count the number of leading zeros.\n    for (i = 0; numStr.charAt(i) === ZERO_CHAR; i++) { /* empty */\n    }\n    if (i === (zeros = numStr.length)) {\n        // The digits are all zero.\n        digits = [0];\n        integerLen = 1;\n    }\n    else {\n        // Count the number of trailing zeros\n        zeros--;\n        while (numStr.charAt(zeros) === ZERO_CHAR)\n            zeros--;\n        // Trailing zeros are insignificant so ignore them\n        integerLen -= i;\n        digits = [];\n        // Convert string to array of digits without leading/trailing zeros.\n        for (j = 0; i <= zeros; i++, j++) {\n            digits[j] = Number(numStr.charAt(i));\n        }\n    }\n    // If the number overflows the maximum allowed digits then use an exponent.\n    if (integerLen > MAX_DIGITS) {\n        digits = digits.splice(0, MAX_DIGITS - 1);\n        exponent = integerLen - 1;\n        integerLen = 1;\n    }\n    return { digits: digits, exponent: exponent, integerLen: integerLen };\n}\n/**\n * Round the parsed number to the specified number of decimal places\n * This function changes the parsedNumber in-place\n */\nfunction roundNumber(parsedNumber, minFrac, maxFrac) {\n    if (minFrac > maxFrac) {\n        throw new Error(\"The minimum number of digits after fraction (\" + minFrac + \") is higher than the maximum (\" + maxFrac + \").\");\n    }\n    var digits = parsedNumber.digits;\n    var fractionLen = digits.length - parsedNumber.integerLen;\n    var fractionSize = Math.min(Math.max(minFrac, fractionLen), maxFrac);\n    // The index of the digit to where rounding is to occur\n    var roundAt = fractionSize + parsedNumber.integerLen;\n    var digit = digits[roundAt];\n    if (roundAt > 0) {\n        // Drop fractional digits beyond `roundAt`\n        digits.splice(Math.max(parsedNumber.integerLen, roundAt));\n        // Set non-fractional digits beyond `roundAt` to 0\n        for (var j = roundAt; j < digits.length; j++) {\n            digits[j] = 0;\n        }\n    }\n    else {\n        // We rounded to zero so reset the parsedNumber\n        fractionLen = Math.max(0, fractionLen);\n        parsedNumber.integerLen = 1;\n        digits.length = Math.max(1, roundAt = fractionSize + 1);\n        digits[0] = 0;\n        for (var i = 1; i < roundAt; i++)\n            digits[i] = 0;\n    }\n    if (digit >= 5) {\n        if (roundAt - 1 < 0) {\n            for (var k = 0; k > roundAt; k--) {\n                digits.unshift(0);\n                parsedNumber.integerLen++;\n            }\n            digits.unshift(1);\n            parsedNumber.integerLen++;\n        }\n        else {\n            digits[roundAt - 1]++;\n        }\n    }\n    // Pad out with zeros to get the required fraction length\n    for (; fractionLen < Math.max(0, fractionSize); fractionLen++)\n        digits.push(0);\n    var dropTrailingZeros = fractionSize !== 0;\n    // Minimal length = nb of decimals required + current nb of integers\n    // Any number besides that is optional and can be removed if it's a trailing 0\n    var minLen = minFrac + parsedNumber.integerLen;\n    // Do any carrying, e.g. a digit was rounded up to 10\n    var carry = digits.reduceRight(function (carry, d, i, digits) {\n        d = d + carry;\n        digits[i] = d < 10 ? d : d - 10; // d % 10\n        if (dropTrailingZeros) {\n            // Do not keep meaningless fractional trailing zeros (e.g. 15.52000 --> 15.52)\n            if (digits[i] === 0 && i >= minLen) {\n                digits.pop();\n            }\n            else {\n                dropTrailingZeros = false;\n            }\n        }\n        return d >= 10 ? 1 : 0; // Math.floor(d / 10);\n    }, 0);\n    if (carry) {\n        digits.unshift(carry);\n        parsedNumber.integerLen++;\n    }\n}\nfunction parseIntAutoRadix(text) {\n    var result = parseInt(text);\n    if (isNaN(result)) {\n        throw new Error('Invalid integer literal when parsing ' + text);\n    }\n    return result;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @publicApi\n */\nvar NgLocalization = /** @class */ (function () {\n    function NgLocalization() {\n    }\n    return NgLocalization;\n}());\n/**\n * Returns the plural category for a given value.\n * - \"=value\" when the case exists,\n * - the plural category otherwise\n */\nfunction getPluralCategory(value, cases, ngLocalization, locale) {\n    var key = \"=\" + value;\n    if (cases.indexOf(key) > -1) {\n        return key;\n    }\n    key = ngLocalization.getPluralCategory(value, locale);\n    if (cases.indexOf(key) > -1) {\n        return key;\n    }\n    if (cases.indexOf('other') > -1) {\n        return 'other';\n    }\n    throw new Error(\"No plural message found for value \\\"\" + value + \"\\\"\");\n}\n/**\n * Returns the plural case based on the locale\n *\n * @publicApi\n */\nvar NgLocaleLocalization = /** @class */ (function (_super) {\n    __extends(NgLocaleLocalization, _super);\n    function NgLocaleLocalization(locale) {\n        var _this = _super.call(this) || this;\n        _this.locale = locale;\n        return _this;\n    }\n    NgLocaleLocalization.prototype.getPluralCategory = function (value, locale) {\n        var plural = getLocalePluralCase(locale || this.locale)(value);\n        switch (plural) {\n            case Plural.Zero:\n                return 'zero';\n            case Plural.One:\n                return 'one';\n            case Plural.Two:\n                return 'two';\n            case Plural.Few:\n                return 'few';\n            case Plural.Many:\n                return 'many';\n            default:\n                return 'other';\n        }\n    };\n    NgLocaleLocalization = __decorate([\n        Injectable(),\n        __param(0, Inject(LOCALE_ID)),\n        __metadata(\"design:paramtypes\", [String])\n    ], NgLocaleLocalization);\n    return NgLocaleLocalization;\n}(NgLocalization));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Register global data to be used internally by Angular. See the\n * [\"I18n guide\"](guide/i18n#i18n-pipes) to know how to import additional locale data.\n *\n * The signature registerLocaleData(data: any, extraData?: any) is deprecated since v5.1\n *\n * @publicApi\n */\nfunction registerLocaleData(data, localeId, extraData) {\n    return ɵregisterLocaleData(data, localeId, extraData);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction parseCookieValue(cookieStr, name) {\n    var e_1, _a;\n    name = encodeURIComponent(name);\n    try {\n        for (var _b = __values(cookieStr.split(';')), _c = _b.next(); !_c.done; _c = _b.next()) {\n            var cookie = _c.value;\n            var eqIndex = cookie.indexOf('=');\n            var _d = __read(eqIndex == -1 ? [cookie, ''] : [cookie.slice(0, eqIndex), cookie.slice(eqIndex + 1)], 2), cookieName = _d[0], cookieValue = _d[1];\n            if (cookieName.trim() === name) {\n                return decodeURIComponent(cookieValue);\n            }\n        }\n    }\n    catch (e_1_1) { e_1 = { error: e_1_1 }; }\n    finally {\n        try {\n            if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\n        }\n        finally { if (e_1) throw e_1.error; }\n    }\n    return null;\n}\n\n/**\n * @ngModule CommonModule\n *\n * @usageNotes\n * ```\n *     <some-element [ngClass]=\"'first second'\">...</some-element>\n *\n *     <some-element [ngClass]=\"['first', 'second']\">...</some-element>\n *\n *     <some-element [ngClass]=\"{'first': true, 'second': true, 'third': false}\">...</some-element>\n *\n *     <some-element [ngClass]=\"stringExp|arrayExp|objExp\">...</some-element>\n *\n *     <some-element [ngClass]=\"{'class1 class2 class3' : true}\">...</some-element>\n * ```\n *\n * @description\n *\n * Adds and removes CSS classes on an HTML element.\n *\n * The CSS classes are updated as follows, depending on the type of the expression evaluation:\n * - `string` - the CSS classes listed in the string (space delimited) are added,\n * - `Array` - the CSS classes declared as Array elements are added,\n * - `Object` - keys are CSS classes that get added when the expression given in the value\n *              evaluates to a truthy value, otherwise they are removed.\n *\n * @publicApi\n */\nvar NgClass = /** @class */ (function () {\n    function NgClass(_iterableDiffers, _keyValueDiffers, _ngEl, _renderer) {\n        this._iterableDiffers = _iterableDiffers;\n        this._keyValueDiffers = _keyValueDiffers;\n        this._ngEl = _ngEl;\n        this._renderer = _renderer;\n        this._iterableDiffer = null;\n        this._keyValueDiffer = null;\n        this._initialClasses = [];\n        this._rawClass = null;\n    }\n    Object.defineProperty(NgClass.prototype, \"klass\", {\n        set: function (value) {\n            this._removeClasses(this._initialClasses);\n            this._initialClasses = typeof value === 'string' ? value.split(/\\s+/) : [];\n            this._applyClasses(this._initialClasses);\n            this._applyClasses(this._rawClass);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgClass.prototype, \"ngClass\", {\n        set: function (value) {\n            this._removeClasses(this._rawClass);\n            this._applyClasses(this._initialClasses);\n            this._iterableDiffer = null;\n            this._keyValueDiffer = null;\n            this._rawClass = typeof value === 'string' ? value.split(/\\s+/) : value;\n            if (this._rawClass) {\n                if (ɵisListLikeIterable(this._rawClass)) {\n                    this._iterableDiffer = this._iterableDiffers.find(this._rawClass).create();\n                }\n                else {\n                    this._keyValueDiffer = this._keyValueDiffers.find(this._rawClass).create();\n                }\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    NgClass.prototype.ngDoCheck = function () {\n        if (this._iterableDiffer) {\n            var iterableChanges = this._iterableDiffer.diff(this._rawClass);\n            if (iterableChanges) {\n                this._applyIterableChanges(iterableChanges);\n            }\n        }\n        else if (this._keyValueDiffer) {\n            var keyValueChanges = this._keyValueDiffer.diff(this._rawClass);\n            if (keyValueChanges) {\n                this._applyKeyValueChanges(keyValueChanges);\n            }\n        }\n    };\n    NgClass.prototype._applyKeyValueChanges = function (changes) {\n        var _this = this;\n        changes.forEachAddedItem(function (record) { return _this._toggleClass(record.key, record.currentValue); });\n        changes.forEachChangedItem(function (record) { return _this._toggleClass(record.key, record.currentValue); });\n        changes.forEachRemovedItem(function (record) {\n            if (record.previousValue) {\n                _this._toggleClass(record.key, false);\n            }\n        });\n    };\n    NgClass.prototype._applyIterableChanges = function (changes) {\n        var _this = this;\n        changes.forEachAddedItem(function (record) {\n            if (typeof record.item === 'string') {\n                _this._toggleClass(record.item, true);\n            }\n            else {\n                throw new Error(\"NgClass can only toggle CSS classes expressed as strings, got \" + ɵstringify(record.item));\n            }\n        });\n        changes.forEachRemovedItem(function (record) { return _this._toggleClass(record.item, false); });\n    };\n    /**\n     * Applies a collection of CSS classes to the DOM element.\n     *\n     * For argument of type Set and Array CSS class names contained in those collections are always\n     * added.\n     * For argument of type Map CSS class name in the map's key is toggled based on the value (added\n     * for truthy and removed for falsy).\n     */\n    NgClass.prototype._applyClasses = function (rawClassVal) {\n        var _this = this;\n        if (rawClassVal) {\n            if (Array.isArray(rawClassVal) || rawClassVal instanceof Set) {\n                rawClassVal.forEach(function (klass) { return _this._toggleClass(klass, true); });\n            }\n            else {\n                Object.keys(rawClassVal).forEach(function (klass) { return _this._toggleClass(klass, !!rawClassVal[klass]); });\n            }\n        }\n    };\n    /**\n     * Removes a collection of CSS classes from the DOM element. This is mostly useful for cleanup\n     * purposes.\n     */\n    NgClass.prototype._removeClasses = function (rawClassVal) {\n        var _this = this;\n        if (rawClassVal) {\n            if (Array.isArray(rawClassVal) || rawClassVal instanceof Set) {\n                rawClassVal.forEach(function (klass) { return _this._toggleClass(klass, false); });\n            }\n            else {\n                Object.keys(rawClassVal).forEach(function (klass) { return _this._toggleClass(klass, false); });\n            }\n        }\n    };\n    NgClass.prototype._toggleClass = function (klass, enabled) {\n        var _this = this;\n        klass = klass.trim();\n        if (klass) {\n            klass.split(/\\s+/g).forEach(function (klass) {\n                if (enabled) {\n                    _this._renderer.addClass(_this._ngEl.nativeElement, klass);\n                }\n                else {\n                    _this._renderer.removeClass(_this._ngEl.nativeElement, klass);\n                }\n            });\n        }\n    };\n    __decorate([\n        Input('class'),\n        __metadata(\"design:type\", String),\n        __metadata(\"design:paramtypes\", [String])\n    ], NgClass.prototype, \"klass\", null);\n    __decorate([\n        Input('ngClass'),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], NgClass.prototype, \"ngClass\", null);\n    NgClass = __decorate([\n        Directive({ selector: '[ngClass]' }),\n        __metadata(\"design:paramtypes\", [IterableDiffers, KeyValueDiffers,\n            ElementRef, Renderer2])\n    ], NgClass);\n    return NgClass;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Instantiates a single {@link Component} type and inserts its Host View into current View.\n * `NgComponentOutlet` provides a declarative approach for dynamic component creation.\n *\n * `NgComponentOutlet` requires a component type, if a falsy value is set the view will clear and\n * any existing component will get destroyed.\n *\n * @usageNotes\n *\n * ### Fine tune control\n *\n * You can control the component creation process by using the following optional attributes:\n *\n * * `ngComponentOutletInjector`: Optional custom {@link Injector} that will be used as parent for\n * the Component. Defaults to the injector of the current view container.\n *\n * * `ngComponentOutletContent`: Optional list of projectable nodes to insert into the content\n * section of the component, if exists.\n *\n * * `ngComponentOutletNgModuleFactory`: Optional module factory to allow dynamically loading other\n * module, then load a component from that module.\n *\n * ### Syntax\n *\n * Simple\n * ```\n * <ng-container *ngComponentOutlet=\"componentTypeExpression\"></ng-container>\n * ```\n *\n * Customized injector/content\n * ```\n * <ng-container *ngComponentOutlet=\"componentTypeExpression;\n *                                   injector: injectorExpression;\n *                                   content: contentNodesExpression;\">\n * </ng-container>\n * ```\n *\n * Customized ngModuleFactory\n * ```\n * <ng-container *ngComponentOutlet=\"componentTypeExpression;\n *                                   ngModuleFactory: moduleFactory;\">\n * </ng-container>\n * ```\n *\n * ### A simple example\n *\n * {@example common/ngComponentOutlet/ts/module.ts region='SimpleExample'}\n *\n * A more complete example with additional options:\n *\n * {@example common/ngComponentOutlet/ts/module.ts region='CompleteExample'}\n *\n * @publicApi\n * @ngModule CommonModule\n */\nvar NgComponentOutlet = /** @class */ (function () {\n    function NgComponentOutlet(_viewContainerRef) {\n        this._viewContainerRef = _viewContainerRef;\n        this._componentRef = null;\n        this._moduleRef = null;\n    }\n    NgComponentOutlet.prototype.ngOnChanges = function (changes) {\n        this._viewContainerRef.clear();\n        this._componentRef = null;\n        if (this.ngComponentOutlet) {\n            var elInjector = this.ngComponentOutletInjector || this._viewContainerRef.parentInjector;\n            if (changes['ngComponentOutletNgModuleFactory']) {\n                if (this._moduleRef)\n                    this._moduleRef.destroy();\n                if (this.ngComponentOutletNgModuleFactory) {\n                    var parentModule = elInjector.get(NgModuleRef);\n                    this._moduleRef = this.ngComponentOutletNgModuleFactory.create(parentModule.injector);\n                }\n                else {\n                    this._moduleRef = null;\n                }\n            }\n            var componentFactoryResolver = this._moduleRef ? this._moduleRef.componentFactoryResolver :\n                elInjector.get(ComponentFactoryResolver);\n            var componentFactory = componentFactoryResolver.resolveComponentFactory(this.ngComponentOutlet);\n            this._componentRef = this._viewContainerRef.createComponent(componentFactory, this._viewContainerRef.length, elInjector, this.ngComponentOutletContent);\n        }\n    };\n    NgComponentOutlet.prototype.ngOnDestroy = function () {\n        if (this._moduleRef)\n            this._moduleRef.destroy();\n    };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Type)\n    ], NgComponentOutlet.prototype, \"ngComponentOutlet\", void 0);\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Injector)\n    ], NgComponentOutlet.prototype, \"ngComponentOutletInjector\", void 0);\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Array)\n    ], NgComponentOutlet.prototype, \"ngComponentOutletContent\", void 0);\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", NgModuleFactory)\n    ], NgComponentOutlet.prototype, \"ngComponentOutletNgModuleFactory\", void 0);\n    NgComponentOutlet = __decorate([\n        Directive({ selector: '[ngComponentOutlet]' }),\n        __metadata(\"design:paramtypes\", [ViewContainerRef])\n    ], NgComponentOutlet);\n    return NgComponentOutlet;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @publicApi\n */\nvar NgForOfContext = /** @class */ (function () {\n    function NgForOfContext($implicit, ngForOf, index, count) {\n        this.$implicit = $implicit;\n        this.ngForOf = ngForOf;\n        this.index = index;\n        this.count = count;\n    }\n    Object.defineProperty(NgForOfContext.prototype, \"first\", {\n        get: function () { return this.index === 0; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgForOfContext.prototype, \"last\", {\n        get: function () { return this.index === this.count - 1; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgForOfContext.prototype, \"even\", {\n        get: function () { return this.index % 2 === 0; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgForOfContext.prototype, \"odd\", {\n        get: function () { return !this.even; },\n        enumerable: true,\n        configurable: true\n    });\n    return NgForOfContext;\n}());\n/**\n * A [structural directive](guide/structural-directives) that renders\n * a template for each item in a collection.\n * The directive is placed on an element, which becomes the parent\n * of the cloned templates.\n *\n * The `ngForOf` directive is generally used in the\n * [shorthand form](guide/structural-directives#the-asterisk--prefix) `*ngFor`.\n * In this form, the template to be rendered for each iteration is the content\n * of an anchor element containing the directive.\n *\n * The following example shows the shorthand syntax with some options,\n * contained in an `<li>` element.\n *\n * ```\n * <li *ngFor=\"let item of items; index as i; trackBy: trackByFn\">...</li>\n * ```\n *\n * The shorthand form expands into a long form that uses the `ngForOf` selector\n * on an `<ng-template>` element.\n * The content of the `<ng-template>` element is the `<li>` element that held the\n * short-form directive.\n *\n * Here is the expanded version of the short-form example.\n *\n * ```\n * <ng-template ngFor let-item [ngForOf]=\"items\" let-i=\"index\" [ngForTrackBy]=\"trackByFn\">\n *   <li>...</li>\n * </ng-template>\n * ```\n *\n * Angular automatically expands the shorthand syntax as it compiles the template.\n * The context for each embedded view is logically merged to the current component\n * context according to its lexical position.\n *\n * When using the shorthand syntax, Angular allows only [one structural directive\n * on an element](guide/structural-directives#one-structural-directive-per-host-element).\n * If you want to iterate conditionally, for example,\n * put the `*ngIf` on a container element that wraps the `*ngFor` element.\n * For futher discussion, see\n * [Structural Directives](guide/structural-directives#one-per-element).\n *\n * @usageNotes\n *\n * ### Local variables\n *\n * `NgForOf` provides exported values that can be aliased to local variables.\n * For example:\n *\n *  ```\n * <li *ngFor=\"let user of users; index as i; first as isFirst\">\n *    {{i}}/{{users.length}}. {{user}} <span *ngIf=\"isFirst\">default</span>\n * </li>\n * ```\n *\n * The following exported values can be aliased to local variables:\n *\n * - `$implicit: T`: The value of the individual items in the iterable (`ngForOf`).\n * - `ngForOf: NgIterable<T>`: The value of the iterable expression. Useful when the expression is\n * more complex then a property access, for example when using the async pipe (`userStreams |\n * async`).\n * - `index: number`: The index of the current item in the iterable.\n * - `first: boolean`: True when the item is the first item in the iterable.\n * - `last: boolean`: True when the item is the last item in the iterable.\n * - `even: boolean`: True when the item has an even index in the iterable.\n * - `odd: boolean`: True when the item has an odd index in the iterable.\n *\n * ### Change propagation\n *\n * When the contents of the iterator changes, `NgForOf` makes the corresponding changes to the DOM:\n *\n * * When an item is added, a new instance of the template is added to the DOM.\n * * When an item is removed, its template instance is removed from the DOM.\n * * When items are reordered, their respective templates are reordered in the DOM.\n *\n * Angular uses object identity to track insertions and deletions within the iterator and reproduce\n * those changes in the DOM. This has important implications for animations and any stateful\n * controls that are present, such as `<input>` elements that accept user input. Inserted rows can\n * be animated in, deleted rows can be animated out, and unchanged rows retain any unsaved state\n * such as user input.\n * For more on animations, see [Transitions and Triggers](guide/transition-and-triggers).\n *\n * The identities of elements in the iterator can change while the data does not.\n * This can happen, for example, if the iterator is produced from an RPC to the server, and that\n * RPC is re-run. Even if the data hasn't changed, the second response produces objects with\n * different identities, and Angular must tear down the entire DOM and rebuild it (as if all old\n * elements were deleted and all new elements inserted).\n *\n * To avoid this expensive operation, you can customize the default tracking algorithm.\n * by supplying the `trackBy` option to `NgForOf`.\n * `trackBy` takes a function that has two arguments: `index` and `item`.\n * If `trackBy` is given, Angular tracks changes by the return value of the function.\n *\n * @see [Structural Directives](guide/structural-directives)\n * @ngModule CommonModule\n * @publicApi\n */\nvar NgForOf = /** @class */ (function () {\n    function NgForOf(_viewContainer, _template, _differs) {\n        this._viewContainer = _viewContainer;\n        this._template = _template;\n        this._differs = _differs;\n        this._ngForOf = null;\n        this._ngForOfDirty = true;\n        this._differ = null;\n    }\n    Object.defineProperty(NgForOf.prototype, \"ngForOf\", {\n        /**\n         * The value of the iterable expression, which can be used as a\n         * [template input variable](guide/structural-directives#template-input-variable).\n         */\n        set: function (ngForOf) {\n            this._ngForOf = ngForOf;\n            this._ngForOfDirty = true;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgForOf.prototype, \"ngForTrackBy\", {\n        get: function () { return this._trackByFn; },\n        /**\n         * A function that defines how to track changes for items in the iterable.\n         *\n         * When items are added, moved, or removed in the iterable,\n         * the directive must re-render the appropriate DOM nodes.\n         * To minimize churn in the DOM, only nodes that have changed\n         * are re-rendered.\n         *\n         * By default, the change detector assumes that\n         * the object instance identifies the node in the iterable.\n         * When this function is supplied, the directive uses\n         * the result of calling this function to identify the item node,\n         * rather than the identity of the object itself.\n         *\n         * The function receives two inputs,\n         * the iteration index and the node object ID.\n         */\n        set: function (fn) {\n            if (isDevMode() && fn != null && typeof fn !== 'function') {\n                // TODO(vicb): use a log service once there is a public one available\n                if (console && console.warn) {\n                    console.warn(\"trackBy must be a function, but received \" + JSON.stringify(fn) + \". \" +\n                        \"See https://angular.io/docs/ts/latest/api/common/index/NgFor-directive.html#!#change-propagation for more information.\");\n                }\n            }\n            this._trackByFn = fn;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgForOf.prototype, \"ngForTemplate\", {\n        /**\n         * A reference to the template that is stamped out for each item in the iterable.\n         * @see [template reference variable](guide/template-syntax#template-reference-variables--var-)\n         */\n        set: function (value) {\n            // TODO(TS2.1): make TemplateRef<Partial<NgForRowOf<T>>> once we move to TS v2.1\n            // The current type is too restrictive; a template that just uses index, for example,\n            // should be acceptable.\n            if (value) {\n                this._template = value;\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Applies the changes when needed.\n     */\n    NgForOf.prototype.ngDoCheck = function () {\n        if (this._ngForOfDirty) {\n            this._ngForOfDirty = false;\n            // React on ngForOf changes only once all inputs have been initialized\n            var value = this._ngForOf;\n            if (!this._differ && value) {\n                try {\n                    this._differ = this._differs.find(value).create(this.ngForTrackBy);\n                }\n                catch (_a) {\n                    throw new Error(\"Cannot find a differ supporting object '\" + value + \"' of type '\" + getTypeName(value) + \"'. NgFor only supports binding to Iterables such as Arrays.\");\n                }\n            }\n        }\n        if (this._differ) {\n            var changes = this._differ.diff(this._ngForOf);\n            if (changes)\n                this._applyChanges(changes);\n        }\n    };\n    NgForOf.prototype._applyChanges = function (changes) {\n        var _this = this;\n        var insertTuples = [];\n        changes.forEachOperation(function (item, adjustedPreviousIndex, currentIndex) {\n            if (item.previousIndex == null) {\n                // NgForOf is never \"null\" or \"undefined\" here because the differ detected\n                // that a new item needs to be inserted from the iterable. This implies that\n                // there is an iterable value for \"_ngForOf\".\n                var view = _this._viewContainer.createEmbeddedView(_this._template, new NgForOfContext(null, _this._ngForOf, -1, -1), currentIndex === null ? undefined : currentIndex);\n                var tuple = new RecordViewTuple(item, view);\n                insertTuples.push(tuple);\n            }\n            else if (currentIndex == null) {\n                _this._viewContainer.remove(adjustedPreviousIndex === null ? undefined : adjustedPreviousIndex);\n            }\n            else if (adjustedPreviousIndex !== null) {\n                var view = _this._viewContainer.get(adjustedPreviousIndex);\n                _this._viewContainer.move(view, currentIndex);\n                var tuple = new RecordViewTuple(item, view);\n                insertTuples.push(tuple);\n            }\n        });\n        for (var i = 0; i < insertTuples.length; i++) {\n            this._perViewChange(insertTuples[i].view, insertTuples[i].record);\n        }\n        for (var i = 0, ilen = this._viewContainer.length; i < ilen; i++) {\n            var viewRef = this._viewContainer.get(i);\n            viewRef.context.index = i;\n            viewRef.context.count = ilen;\n            viewRef.context.ngForOf = this._ngForOf;\n        }\n        changes.forEachIdentityChange(function (record) {\n            var viewRef = _this._viewContainer.get(record.currentIndex);\n            viewRef.context.$implicit = record.item;\n        });\n    };\n    NgForOf.prototype._perViewChange = function (view, record) {\n        view.context.$implicit = record.item;\n    };\n    /**\n     * Asserts the correct type of the context for the template that `NgForOf` will render.\n     *\n     * The presence of this method is a signal to the Ivy template type-check compiler that the\n     * `NgForOf` structural directive renders its template with a specific context type.\n     */\n    NgForOf.ngTemplateContextGuard = function (dir, ctx) {\n        return true;\n    };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], NgForOf.prototype, \"ngForOf\", null);\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Function),\n        __metadata(\"design:paramtypes\", [Function])\n    ], NgForOf.prototype, \"ngForTrackBy\", null);\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", TemplateRef),\n        __metadata(\"design:paramtypes\", [TemplateRef])\n    ], NgForOf.prototype, \"ngForTemplate\", null);\n    NgForOf = __decorate([\n        Directive({ selector: '[ngFor][ngForOf]' }),\n        __metadata(\"design:paramtypes\", [ViewContainerRef,\n            TemplateRef, IterableDiffers])\n    ], NgForOf);\n    return NgForOf;\n}());\nvar RecordViewTuple = /** @class */ (function () {\n    function RecordViewTuple(record, view) {\n        this.record = record;\n        this.view = view;\n    }\n    return RecordViewTuple;\n}());\nfunction getTypeName(type) {\n    return type['name'] || typeof type;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A structural directive that conditionally includes a template based on the value of\n * an expression coerced to Boolean.\n * When the expression evaluates to true, Angular renders the template\n * provided in a `then` clause, and when  false or null,\n * Angular renders the template provided in an optional `else` clause. The default\n * template for the `else` clause is blank.\n *\n * A [shorthand form](guide/structural-directives#the-asterisk--prefix) of the directive,\n * `*ngIf=\"condition\"`, is generally used, provided\n * as an attribute of the anchor element for the inserted template.\n * Angular expands this into a more explicit version, in which the anchor element\n * is contained in an `<ng-template>` element.\n *\n * Simple form with shorthand syntax:\n *\n * ```\n * <div *ngIf=\"condition\">Content to render when condition is true.</div>\n * ```\n *\n * Simple form with expanded syntax:\n *\n * ```\n * <ng-template [ngIf]=\"condition\"><div>Content to render when condition is\n * true.</div></ng-template>\n * ```\n *\n * Form with an \"else\" block:\n *\n * ```\n * <div *ngIf=\"condition; else elseBlock\">Content to render when condition is true.</div>\n * <ng-template #elseBlock>Content to render when condition is false.</ng-template>\n * ```\n *\n * Shorthand form with \"then\" and \"else\" blocks:\n *\n * ```\n * <div *ngIf=\"condition; then thenBlock else elseBlock\"></div>\n * <ng-template #thenBlock>Content to render when condition is true.</ng-template>\n * <ng-template #elseBlock>Content to render when condition is false.</ng-template>\n * ```\n *\n * Form with storing the value locally:\n *\n * ```\n * <div *ngIf=\"condition as value; else elseBlock\">{{value}}</div>\n * <ng-template #elseBlock>Content to render when value is null.</ng-template>\n * ```\n *\n * @usageNotes\n *\n * The `*ngIf` directive is most commonly used to conditionally show an inline template,\n * as seen in the following  example.\n * The default `else` template is blank.\n *\n * {@example common/ngIf/ts/module.ts region='NgIfSimple'}\n *\n * ### Showing an alternative template using `else`\n *\n * To display a template when `expression` evaluates to false, use an `else` template\n * binding as shown in the following example.\n * The `else` binding points to an `<ng-template>`  element labeled `#elseBlock`.\n * The template can be defined anywhere in the component view, but is typically placed right after\n * `ngIf` for readability.\n *\n * {@example common/ngIf/ts/module.ts region='NgIfElse'}\n *\n * ### Using an external `then` template\n *\n * In the previous example, the then-clause template is specified inline, as the content of the\n * tag that contains the `ngIf` directive. You can also specify a template that is defined\n * externally, by referencing a labeled `<ng-template>` element. When you do this, you can\n * change which template to use at runtime, as shown in the following example.\n *\n * {@example common/ngIf/ts/module.ts region='NgIfThenElse'}\n *\n * ### Storing a conditional result in a variable\n *\n * You might want to show a set of properties from the same object. If you are waiting\n * for asynchronous data, the object can be undefined.\n * In this case, you can use `ngIf` and store the result of the condition in a local\n * variable as shown in the the following example.\n *\n * {@example common/ngIf/ts/module.ts region='NgIfAs'}\n *\n * This code uses only one `AsyncPipe`, so only one subscription is created.\n * The conditional statement stores the result of `userStream|async` in the local variable `user`.\n * You can then bind the local `user` repeatedly.\n *\n * The conditional displays the data only if `userStream` returns a value,\n * so you don't need to use the\n * [safe-navigation-operator](guide/template-syntax#safe-navigation-operator) (`?.`)\n * to guard against null values when accessing properties.\n * You can display an alternative template while waiting for the data.\n *\n * ### Shorthand syntax\n *\n * The shorthand syntax `*ngIf` expands into two separate template specifications\n * for the \"then\" and \"else\" clauses. For example, consider the following shorthand statement,\n * that is meant to show a loading page while waiting for data to be loaded.\n *\n * ```\n * <div class=\"hero-list\" *ngIf=\"heroes else loading\">\n *  ...\n * </div>\n *\n * <ng-template #loading>\n *  <div>Loading...</div>\n * </ng-template>\n * ```\n *\n * You can see that the \"else\" clause references the `<ng-template>`\n * with the `#loading` label, and the template for the \"then\" clause\n * is provided as the content of the anchor element.\n *\n * However, when Angular expands the shorthand syntax, it creates\n * another `<ng-template>` tag, with `ngIf` and `ngIfElse` directives.\n * The anchor element containing the template for the \"then\" clause becomes\n * the content of this unlabeled `<ng-template>` tag.\n *\n * ```\n * <ng-template [ngIf]=\"heroes\" [ngIfElse]=\"loading\">\n *  <div class=\"hero-list\">\n *   ...\n *  </div>\n * </ng-template>\n *\n * <ng-template #loading>\n *  <div>Loading...</div>\n * </ng-template>\n * ```\n *\n * The presence of the implicit template object has implications for the nesting of\n * structural directives. For more on this subject, see\n * [Structural Directives](https://angular.io/guide/structural-directives#one-per-element).\n *\n * @ngModule CommonModule\n * @publicApi\n */\nvar NgIf = /** @class */ (function () {\n    function NgIf(_viewContainer, templateRef) {\n        this._viewContainer = _viewContainer;\n        this._context = new NgIfContext();\n        this._thenTemplateRef = null;\n        this._elseTemplateRef = null;\n        this._thenViewRef = null;\n        this._elseViewRef = null;\n        this._thenTemplateRef = templateRef;\n    }\n    Object.defineProperty(NgIf.prototype, \"ngIf\", {\n        /**\n         * The Boolean expression to evaluate as the condition for showing a template.\n         */\n        set: function (condition) {\n            this._context.$implicit = this._context.ngIf = condition;\n            this._updateView();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgIf.prototype, \"ngIfThen\", {\n        /**\n         * A template to show if the condition expression evaluates to true.\n         */\n        set: function (templateRef) {\n            assertTemplate('ngIfThen', templateRef);\n            this._thenTemplateRef = templateRef;\n            this._thenViewRef = null; // clear previous view if any.\n            this._updateView();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(NgIf.prototype, \"ngIfElse\", {\n        /**\n         * A template to show if the condition expression evaluates to false.\n         */\n        set: function (templateRef) {\n            assertTemplate('ngIfElse', templateRef);\n            this._elseTemplateRef = templateRef;\n            this._elseViewRef = null; // clear previous view if any.\n            this._updateView();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    NgIf.prototype._updateView = function () {\n        if (this._context.$implicit) {\n            if (!this._thenViewRef) {\n                this._viewContainer.clear();\n                this._elseViewRef = null;\n                if (this._thenTemplateRef) {\n                    this._thenViewRef =\n                        this._viewContainer.createEmbeddedView(this._thenTemplateRef, this._context);\n                }\n            }\n        }\n        else {\n            if (!this._elseViewRef) {\n                this._viewContainer.clear();\n                this._thenViewRef = null;\n                if (this._elseTemplateRef) {\n                    this._elseViewRef =\n                        this._viewContainer.createEmbeddedView(this._elseTemplateRef, this._context);\n                }\n            }\n        }\n    };\n    /**\n     * Asserts the correct type of the context for the template that `NgIf` will render.\n     *\n     * The presence of this method is a signal to the Ivy template type-check compiler that the\n     * `NgIf` structural directive renders its template with a specific context type.\n     */\n    NgIf.ngTemplateContextGuard = function (dir, ctx) { return true; };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], NgIf.prototype, \"ngIf\", null);\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], NgIf.prototype, \"ngIfThen\", null);\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], NgIf.prototype, \"ngIfElse\", null);\n    NgIf = __decorate([\n        Directive({ selector: '[ngIf]' }),\n        __metadata(\"design:paramtypes\", [ViewContainerRef, TemplateRef])\n    ], NgIf);\n    return NgIf;\n}());\n/**\n * @publicApi\n */\nvar NgIfContext = /** @class */ (function () {\n    function NgIfContext() {\n        this.$implicit = null;\n        this.ngIf = null;\n    }\n    return NgIfContext;\n}());\nfunction assertTemplate(property, templateRef) {\n    var isTemplateRefOrNull = !!(!templateRef || templateRef.createEmbeddedView);\n    if (!isTemplateRefOrNull) {\n        throw new Error(property + \" must be a TemplateRef, but received '\" + ɵstringify(templateRef) + \"'.\");\n    }\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar SwitchView = /** @class */ (function () {\n    function SwitchView(_viewContainerRef, _templateRef) {\n        this._viewContainerRef = _viewContainerRef;\n        this._templateRef = _templateRef;\n        this._created = false;\n    }\n    SwitchView.prototype.create = function () {\n        this._created = true;\n        this._viewContainerRef.createEmbeddedView(this._templateRef);\n    };\n    SwitchView.prototype.destroy = function () {\n        this._created = false;\n        this._viewContainerRef.clear();\n    };\n    SwitchView.prototype.enforceState = function (created) {\n        if (created && !this._created) {\n            this.create();\n        }\n        else if (!created && this._created) {\n            this.destroy();\n        }\n    };\n    return SwitchView;\n}());\n/**\n * @ngModule CommonModule\n *\n * @description A structural directive that adds or removes templates (displaying or hiding views)\n * when the next match expression matches the switch expression.\n *\n * The `[ngSwitch]` directive on a container specifies an expression to match against.\n * The expressions to match are provided by `ngSwitchCase` directives on views within the container.\n * - Every view that matches is rendered.\n * - If there are no matches, a view with the `ngSwitchDefault` directive is rendered.\n * - Elements within the `[NgSwitch]` statement but outside of any `NgSwitchCase`\n * or `ngSwitchDefault` directive are preserved at the location.\n *\n * @usageNotes\n * Define a container element for the directive, and specify the switch expression\n * to match against as an attribute:\n *\n * ```\n * <container-element [ngSwitch]=\"switch_expression\">\n * ```\n *\n * Within the container, `*ngSwitchCase` statements specify the match expressions\n * as attributes. Include `*ngSwitchDefault` as the final case.\n *\n * ```\n * <container-element [ngSwitch]=\"switch_expression\">\n *    <some-element *ngSwitchCase=\"match_expression_1\">...</some-element>\n * ...\n *    <some-element *ngSwitchDefault>...</some-element>\n * </container-element>\n * ```\n *\n * ### Usage Examples\n *\n * The following example shows how to use more than one case to display the same view:\n *\n * ```\n * <container-element [ngSwitch]=\"switch_expression\">\n *   <!-- the same view can be shown in more than one case -->\n *   <some-element *ngSwitchCase=\"match_expression_1\">...</some-element>\n *   <some-element *ngSwitchCase=\"match_expression_2\">...</some-element>\n *   <some-other-element *ngSwitchCase=\"match_expression_3\">...</some-other-element>\n *   <!--default case when there are no matches -->\n *   <some-element *ngSwitchDefault>...</some-element>\n * </container-element>\n * ```\n *\n * The following example shows how cases can be nested:\n * ```\n * <container-element [ngSwitch]=\"switch_expression\">\n *       <some-element *ngSwitchCase=\"match_expression_1\">...</some-element>\n *       <some-element *ngSwitchCase=\"match_expression_2\">...</some-element>\n *       <some-other-element *ngSwitchCase=\"match_expression_3\">...</some-other-element>\n *       <ng-container *ngSwitchCase=\"match_expression_3\">\n *         <!-- use a ng-container to group multiple root nodes -->\n *         <inner-element></inner-element>\n *         <inner-other-element></inner-other-element>\n *       </ng-container>\n *       <some-element *ngSwitchDefault>...</some-element>\n *     </container-element>\n * ```\n *\n * @publicApi\n * @see `NgSwitchCase`\n * @see `NgSwitchDefault`\n * @see [Structural Directives](guide/structural-directives)\n *\n */\nvar NgSwitch = /** @class */ (function () {\n    function NgSwitch() {\n        this._defaultUsed = false;\n        this._caseCount = 0;\n        this._lastCaseCheckIndex = 0;\n        this._lastCasesMatched = false;\n    }\n    Object.defineProperty(NgSwitch.prototype, \"ngSwitch\", {\n        set: function (newValue) {\n            this._ngSwitch = newValue;\n            if (this._caseCount === 0) {\n                this._updateDefaultCases(true);\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** @internal */\n    NgSwitch.prototype._addCase = function () { return this._caseCount++; };\n    /** @internal */\n    NgSwitch.prototype._addDefault = function (view) {\n        if (!this._defaultViews) {\n            this._defaultViews = [];\n        }\n        this._defaultViews.push(view);\n    };\n    /** @internal */\n    NgSwitch.prototype._matchCase = function (value) {\n        var matched = value == this._ngSwitch;\n        this._lastCasesMatched = this._lastCasesMatched || matched;\n        this._lastCaseCheckIndex++;\n        if (this._lastCaseCheckIndex === this._caseCount) {\n            this._updateDefaultCases(!this._lastCasesMatched);\n            this._lastCaseCheckIndex = 0;\n            this._lastCasesMatched = false;\n        }\n        return matched;\n    };\n    NgSwitch.prototype._updateDefaultCases = function (useDefault) {\n        if (this._defaultViews && useDefault !== this._defaultUsed) {\n            this._defaultUsed = useDefault;\n            for (var i = 0; i < this._defaultViews.length; i++) {\n                var defaultView = this._defaultViews[i];\n                defaultView.enforceState(useDefault);\n            }\n        }\n    };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], NgSwitch.prototype, \"ngSwitch\", null);\n    NgSwitch = __decorate([\n        Directive({ selector: '[ngSwitch]' })\n    ], NgSwitch);\n    return NgSwitch;\n}());\n/**\n * @ngModule CommonModule\n *\n * @description\n * Provides a switch case expression to match against an enclosing `ngSwitch` expression.\n * When the expressions match, the given `NgSwitchCase` template is rendered.\n * If multiple match expressions match the switch expression value, all of them are displayed.\n *\n * @usageNotes\n *\n * Within a switch container, `*ngSwitchCase` statements specify the match expressions\n * as attributes. Include `*ngSwitchDefault` as the final case.\n *\n * ```\n * <container-element [ngSwitch]=\"switch_expression\">\n *   <some-element *ngSwitchCase=\"match_expression_1\">...</some-element>\n *   ...\n *   <some-element *ngSwitchDefault>...</some-element>\n * </container-element>\n * ```\n *\n * Each switch-case statement contains an in-line HTML template or template reference\n * that defines the subtree to be selected if the value of the match expression\n * matches the value of the switch expression.\n *\n * Unlike JavaScript, which uses strict equality, Angular uses loose equality.\n * This means that the empty string, `\"\"` matches 0.\n *\n * @publicApi\n * @see `NgSwitch`\n * @see `NgSwitchDefault`\n *\n */\nvar NgSwitchCase = /** @class */ (function () {\n    function NgSwitchCase(viewContainer, templateRef, ngSwitch) {\n        this.ngSwitch = ngSwitch;\n        ngSwitch._addCase();\n        this._view = new SwitchView(viewContainer, templateRef);\n    }\n    /**\n     * Performs case matching. For internal use only.\n     */\n    NgSwitchCase.prototype.ngDoCheck = function () { this._view.enforceState(this.ngSwitch._matchCase(this.ngSwitchCase)); };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object)\n    ], NgSwitchCase.prototype, \"ngSwitchCase\", void 0);\n    NgSwitchCase = __decorate([\n        Directive({ selector: '[ngSwitchCase]' }),\n        __param(2, Host()),\n        __metadata(\"design:paramtypes\", [ViewContainerRef, TemplateRef,\n            NgSwitch])\n    ], NgSwitchCase);\n    return NgSwitchCase;\n}());\n/**\n * @ngModule CommonModule\n *\n * @description\n *\n * Creates a view that is rendered when no `NgSwitchCase` expressions\n * match the `NgSwitch` expression.\n * This statement should be the final case in an `NgSwitch`.\n *\n * @publicApi\n * @see `NgSwitch`\n * @see `NgSwitchCase`\n *\n */\nvar NgSwitchDefault = /** @class */ (function () {\n    function NgSwitchDefault(viewContainer, templateRef, ngSwitch) {\n        ngSwitch._addDefault(new SwitchView(viewContainer, templateRef));\n    }\n    NgSwitchDefault = __decorate([\n        Directive({ selector: '[ngSwitchDefault]' }),\n        __param(2, Host()),\n        __metadata(\"design:paramtypes\", [ViewContainerRef, TemplateRef,\n            NgSwitch])\n    ], NgSwitchDefault);\n    return NgSwitchDefault;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @ngModule CommonModule\n *\n * @usageNotes\n * ```\n * <some-element [ngPlural]=\"value\">\n *   <ng-template ngPluralCase=\"=0\">there is nothing</ng-template>\n *   <ng-template ngPluralCase=\"=1\">there is one</ng-template>\n *   <ng-template ngPluralCase=\"few\">there are a few</ng-template>\n * </some-element>\n * ```\n *\n * @description\n *\n * Adds / removes DOM sub-trees based on a numeric value. Tailored for pluralization.\n *\n * Displays DOM sub-trees that match the switch expression value, or failing that, DOM sub-trees\n * that match the switch expression's pluralization category.\n *\n * To use this directive you must provide a container element that sets the `[ngPlural]` attribute\n * to a switch expression. Inner elements with a `[ngPluralCase]` will display based on their\n * expression:\n * - if `[ngPluralCase]` is set to a value starting with `=`, it will only display if the value\n *   matches the switch expression exactly,\n * - otherwise, the view will be treated as a \"category match\", and will only display if exact\n *   value matches aren't found and the value maps to its category for the defined locale.\n *\n * See http://cldr.unicode.org/index/cldr-spec/plural-rules\n *\n * @publicApi\n */\nvar NgPlural = /** @class */ (function () {\n    function NgPlural(_localization) {\n        this._localization = _localization;\n        this._caseViews = {};\n    }\n    Object.defineProperty(NgPlural.prototype, \"ngPlural\", {\n        set: function (value) {\n            this._switchValue = value;\n            this._updateView();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    NgPlural.prototype.addCase = function (value, switchView) { this._caseViews[value] = switchView; };\n    NgPlural.prototype._updateView = function () {\n        this._clearViews();\n        var cases = Object.keys(this._caseViews);\n        var key = getPluralCategory(this._switchValue, cases, this._localization);\n        this._activateView(this._caseViews[key]);\n    };\n    NgPlural.prototype._clearViews = function () {\n        if (this._activeView)\n            this._activeView.destroy();\n    };\n    NgPlural.prototype._activateView = function (view) {\n        if (view) {\n            this._activeView = view;\n            this._activeView.create();\n        }\n    };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Number),\n        __metadata(\"design:paramtypes\", [Number])\n    ], NgPlural.prototype, \"ngPlural\", null);\n    NgPlural = __decorate([\n        Directive({ selector: '[ngPlural]' }),\n        __metadata(\"design:paramtypes\", [NgLocalization])\n    ], NgPlural);\n    return NgPlural;\n}());\n/**\n * @ngModule CommonModule\n *\n * @description\n *\n * Creates a view that will be added/removed from the parent {@link NgPlural} when the\n * given expression matches the plural expression according to CLDR rules.\n *\n * @usageNotes\n * ```\n * <some-element [ngPlural]=\"value\">\n *   <ng-template ngPluralCase=\"=0\">...</ng-template>\n *   <ng-template ngPluralCase=\"other\">...</ng-template>\n * </some-element>\n *```\n *\n * See {@link NgPlural} for more details and example.\n *\n * @publicApi\n */\nvar NgPluralCase = /** @class */ (function () {\n    function NgPluralCase(value, template, viewContainer, ngPlural) {\n        this.value = value;\n        var isANumber = !isNaN(Number(value));\n        ngPlural.addCase(isANumber ? \"=\" + value : value, new SwitchView(viewContainer, template));\n    }\n    NgPluralCase = __decorate([\n        Directive({ selector: '[ngPluralCase]' }),\n        __param(0, Attribute('ngPluralCase')),\n        __param(3, Host()),\n        __metadata(\"design:paramtypes\", [String, TemplateRef,\n            ViewContainerRef, NgPlural])\n    ], NgPluralCase);\n    return NgPluralCase;\n}());\n\n/**\n * @ngModule CommonModule\n *\n * @usageNotes\n *\n * Set the font of the containing element to the result of an expression.\n *\n * ```\n * <some-element [ngStyle]=\"{'font-style': styleExp}\">...</some-element>\n * ```\n *\n * Set the width of the containing element to a pixel value returned by an expression.\n *\n * ```\n * <some-element [ngStyle]=\"{'max-width.px': widthExp}\">...</some-element>\n * ```\n *\n * Set a collection of style values using an expression that returns key-value pairs.\n *\n * ```\n * <some-element [ngStyle]=\"objExp\">...</some-element>\n * ```\n *\n * @description\n *\n * An attribute directive that updates styles for the containing HTML element.\n * Sets one or more style properties, specified as colon-separated key-value pairs.\n * The key is a style name, with an optional `.<unit>` suffix\n * (such as 'top.px', 'font-style.em').\n * The value is an expression to be evaluated.\n * The resulting non-null value, expressed in the given unit,\n * is assigned to the given style property.\n * If the result of evaluation is null, the corresponding style is removed.\n *\n * @publicApi\n */\nvar NgStyle = /** @class */ (function () {\n    function NgStyle(_ngEl, _differs, _renderer) {\n        this._ngEl = _ngEl;\n        this._differs = _differs;\n        this._renderer = _renderer;\n        this._ngStyle = null;\n        this._differ = null;\n    }\n    Object.defineProperty(NgStyle.prototype, \"ngStyle\", {\n        set: function (values) {\n            this._ngStyle = values;\n            if (!this._differ && values) {\n                this._differ = this._differs.find(values).create();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    NgStyle.prototype.ngDoCheck = function () {\n        if (this._differ) {\n            var changes = this._differ.diff(this._ngStyle);\n            if (changes) {\n                this._applyChanges(changes);\n            }\n        }\n    };\n    NgStyle.prototype._setStyle = function (nameAndUnit, value) {\n        var _a = __read(nameAndUnit.split('.'), 2), name = _a[0], unit = _a[1];\n        value = value != null && unit ? \"\" + value + unit : value;\n        if (value != null) {\n            this._renderer.setStyle(this._ngEl.nativeElement, name, value);\n        }\n        else {\n            this._renderer.removeStyle(this._ngEl.nativeElement, name);\n        }\n    };\n    NgStyle.prototype._applyChanges = function (changes) {\n        var _this = this;\n        changes.forEachRemovedItem(function (record) { return _this._setStyle(record.key, null); });\n        changes.forEachAddedItem(function (record) { return _this._setStyle(record.key, record.currentValue); });\n        changes.forEachChangedItem(function (record) { return _this._setStyle(record.key, record.currentValue); });\n    };\n    __decorate([\n        Input('ngStyle'),\n        __metadata(\"design:type\", Object),\n        __metadata(\"design:paramtypes\", [Object])\n    ], NgStyle.prototype, \"ngStyle\", null);\n    NgStyle = __decorate([\n        Directive({ selector: '[ngStyle]' }),\n        __metadata(\"design:paramtypes\", [ElementRef, KeyValueDiffers, Renderer2])\n    ], NgStyle);\n    return NgStyle;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @ngModule CommonModule\n *\n * @description\n *\n * Inserts an embedded view from a prepared `TemplateRef`.\n *\n * You can attach a context object to the `EmbeddedViewRef` by setting `[ngTemplateOutletContext]`.\n * `[ngTemplateOutletContext]` should be an object, the object's keys will be available for binding\n * by the local template `let` declarations.\n *\n * @usageNotes\n * ```\n * <ng-container *ngTemplateOutlet=\"templateRefExp; context: contextExp\"></ng-container>\n * ```\n *\n * Using the key `$implicit` in the context object will set its value as default.\n *\n * ### Example\n *\n * {@example common/ngTemplateOutlet/ts/module.ts region='NgTemplateOutlet'}\n *\n * @publicApi\n */\nvar NgTemplateOutlet = /** @class */ (function () {\n    function NgTemplateOutlet(_viewContainerRef) {\n        this._viewContainerRef = _viewContainerRef;\n        this._viewRef = null;\n        /**\n         * A context object to attach to the {@link EmbeddedViewRef}. This should be an\n         * object, the object's keys will be available for binding by the local template `let`\n         * declarations.\n         * Using the key `$implicit` in the context object will set its value as default.\n         */\n        this.ngTemplateOutletContext = null;\n        /**\n         * A string defining the template reference and optionally the context object for the template.\n         */\n        this.ngTemplateOutlet = null;\n    }\n    NgTemplateOutlet.prototype.ngOnChanges = function (changes) {\n        var recreateView = this._shouldRecreateView(changes);\n        if (recreateView) {\n            var viewContainerRef = this._viewContainerRef;\n            if (this._viewRef) {\n                viewContainerRef.remove(viewContainerRef.indexOf(this._viewRef));\n            }\n            this._viewRef = this.ngTemplateOutlet ?\n                viewContainerRef.createEmbeddedView(this.ngTemplateOutlet, this.ngTemplateOutletContext) :\n                null;\n        }\n        else if (this._viewRef && this.ngTemplateOutletContext) {\n            this._updateExistingContext(this.ngTemplateOutletContext);\n        }\n    };\n    /**\n     * We need to re-create existing embedded view if:\n     * - templateRef has changed\n     * - context has changes\n     *\n     * We mark context object as changed when the corresponding object\n     * shape changes (new properties are added or existing properties are removed).\n     * In other words we consider context with the same properties as \"the same\" even\n     * if object reference changes (see https://github.com/angular/angular/issues/13407).\n     */\n    NgTemplateOutlet.prototype._shouldRecreateView = function (changes) {\n        var ctxChange = changes['ngTemplateOutletContext'];\n        return !!changes['ngTemplateOutlet'] || (ctxChange && this._hasContextShapeChanged(ctxChange));\n    };\n    NgTemplateOutlet.prototype._hasContextShapeChanged = function (ctxChange) {\n        var e_1, _a;\n        var prevCtxKeys = Object.keys(ctxChange.previousValue || {});\n        var currCtxKeys = Object.keys(ctxChange.currentValue || {});\n        if (prevCtxKeys.length === currCtxKeys.length) {\n            try {\n                for (var currCtxKeys_1 = __values(currCtxKeys), currCtxKeys_1_1 = currCtxKeys_1.next(); !currCtxKeys_1_1.done; currCtxKeys_1_1 = currCtxKeys_1.next()) {\n                    var propName = currCtxKeys_1_1.value;\n                    if (prevCtxKeys.indexOf(propName) === -1) {\n                        return true;\n                    }\n                }\n            }\n            catch (e_1_1) { e_1 = { error: e_1_1 }; }\n            finally {\n                try {\n                    if (currCtxKeys_1_1 && !currCtxKeys_1_1.done && (_a = currCtxKeys_1.return)) _a.call(currCtxKeys_1);\n                }\n                finally { if (e_1) throw e_1.error; }\n            }\n            return false;\n        }\n        return true;\n    };\n    NgTemplateOutlet.prototype._updateExistingContext = function (ctx) {\n        var e_2, _a;\n        try {\n            for (var _b = __values(Object.keys(ctx)), _c = _b.next(); !_c.done; _c = _b.next()) {\n                var propName = _c.value;\n                this._viewRef.context[propName] = this.ngTemplateOutletContext[propName];\n            }\n        }\n        catch (e_2_1) { e_2 = { error: e_2_1 }; }\n        finally {\n            try {\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\n            }\n            finally { if (e_2) throw e_2.error; }\n        }\n    };\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object)\n    ], NgTemplateOutlet.prototype, \"ngTemplateOutletContext\", void 0);\n    __decorate([\n        Input(),\n        __metadata(\"design:type\", Object)\n    ], NgTemplateOutlet.prototype, \"ngTemplateOutlet\", void 0);\n    NgTemplateOutlet = __decorate([\n        Directive({ selector: '[ngTemplateOutlet]' }),\n        __metadata(\"design:paramtypes\", [ViewContainerRef])\n    ], NgTemplateOutlet);\n    return NgTemplateOutlet;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A collection of Angular directives that are likely to be used in each and every Angular\n * application.\n */\nvar COMMON_DIRECTIVES = [\n    NgClass,\n    NgComponentOutlet,\n    NgForOf,\n    NgIf,\n    NgTemplateOutlet,\n    NgStyle,\n    NgSwitch,\n    NgSwitchCase,\n    NgSwitchDefault,\n    NgPlural,\n    NgPluralCase,\n];\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction invalidPipeArgumentError(type, value) {\n    return Error(\"InvalidPipeArgument: '\" + value + \"' for pipe '\" + ɵstringify(type) + \"'\");\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ObservableStrategy = /** @class */ (function () {\n    function ObservableStrategy() {\n    }\n    ObservableStrategy.prototype.createSubscription = function (async, updateLatestValue) {\n        return async.subscribe({ next: updateLatestValue, error: function (e) { throw e; } });\n    };\n    ObservableStrategy.prototype.dispose = function (subscription) { subscription.unsubscribe(); };\n    ObservableStrategy.prototype.onDestroy = function (subscription) { subscription.unsubscribe(); };\n    return ObservableStrategy;\n}());\nvar PromiseStrategy = /** @class */ (function () {\n    function PromiseStrategy() {\n    }\n    PromiseStrategy.prototype.createSubscription = function (async, updateLatestValue) {\n        return async.then(updateLatestValue, function (e) { throw e; });\n    };\n    PromiseStrategy.prototype.dispose = function (subscription) { };\n    PromiseStrategy.prototype.onDestroy = function (subscription) { };\n    return PromiseStrategy;\n}());\nvar _promiseStrategy = new PromiseStrategy();\nvar _observableStrategy = new ObservableStrategy();\n/**\n * @ngModule CommonModule\n * @description\n *\n * Unwraps a value from an asynchronous primitive.\n *\n * The `async` pipe subscribes to an `Observable` or `Promise` and returns the latest value it has\n * emitted. When a new value is emitted, the `async` pipe marks the component to be checked for\n * changes. When the component gets destroyed, the `async` pipe unsubscribes automatically to avoid\n * potential memory leaks.\n *\n * @usageNotes\n *\n * ### Examples\n *\n * This example binds a `Promise` to the view. Clicking the `Resolve` button resolves the\n * promise.\n *\n * {@example common/pipes/ts/async_pipe.ts region='AsyncPipePromise'}\n *\n * It's also possible to use `async` with Observables. The example below binds the `time` Observable\n * to the view. The Observable continuously updates the view with the current time.\n *\n * {@example common/pipes/ts/async_pipe.ts region='AsyncPipeObservable'}\n *\n * @publicApi\n */\nvar AsyncPipe = /** @class */ (function () {\n    function AsyncPipe(_ref) {\n        this._ref = _ref;\n        this._latestValue = null;\n        this._latestReturnedValue = null;\n        this._subscription = null;\n        this._obj = null;\n        this._strategy = null;\n    }\n    AsyncPipe_1 = AsyncPipe;\n    AsyncPipe.prototype.ngOnDestroy = function () {\n        if (this._subscription) {\n            this._dispose();\n        }\n    };\n    AsyncPipe.prototype.transform = function (obj) {\n        if (!this._obj) {\n            if (obj) {\n                this._subscribe(obj);\n            }\n            this._latestReturnedValue = this._latestValue;\n            return this._latestValue;\n        }\n        if (obj !== this._obj) {\n            this._dispose();\n            return this.transform(obj);\n        }\n        if (ɵlooseIdentical(this._latestValue, this._latestReturnedValue)) {\n            return this._latestReturnedValue;\n        }\n        this._latestReturnedValue = this._latestValue;\n        return WrappedValue.wrap(this._latestValue);\n    };\n    AsyncPipe.prototype._subscribe = function (obj) {\n        var _this = this;\n        this._obj = obj;\n        this._strategy = this._selectStrategy(obj);\n        this._subscription = this._strategy.createSubscription(obj, function (value) { return _this._updateLatestValue(obj, value); });\n    };\n    AsyncPipe.prototype._selectStrategy = function (obj) {\n        if (ɵisPromise(obj)) {\n            return _promiseStrategy;\n        }\n        if (ɵisObservable(obj)) {\n            return _observableStrategy;\n        }\n        throw invalidPipeArgumentError(AsyncPipe_1, obj);\n    };\n    AsyncPipe.prototype._dispose = function () {\n        this._strategy.dispose(this._subscription);\n        this._latestValue = null;\n        this._latestReturnedValue = null;\n        this._subscription = null;\n        this._obj = null;\n    };\n    AsyncPipe.prototype._updateLatestValue = function (async, value) {\n        if (async === this._obj) {\n            this._latestValue = value;\n            this._ref.markForCheck();\n        }\n    };\n    var AsyncPipe_1;\n    AsyncPipe = AsyncPipe_1 = __decorate([\n        Pipe({ name: 'async', pure: false }),\n        __metadata(\"design:paramtypes\", [ChangeDetectorRef])\n    ], AsyncPipe);\n    return AsyncPipe;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Transforms text to all lower case.\n *\n * @see `UpperCasePipe`\n * @see `TitleCasePipe`\n * @usageNotes\n *\n * The following example defines a view that allows the user to enter\n * text, and then uses the pipe to convert the input text to all lower case.\n *\n * <code-example path=\"common/pipes/ts/lowerupper_pipe.ts\" region='LowerUpperPipe'></code-example>\n *\n * @ngModule CommonModule\n * @publicApi\n */\nvar LowerCasePipe = /** @class */ (function () {\n    function LowerCasePipe() {\n    }\n    LowerCasePipe_1 = LowerCasePipe;\n    /**\n     * @param value The string to transform to lower case.\n     */\n    LowerCasePipe.prototype.transform = function (value) {\n        if (!value)\n            return value;\n        if (typeof value !== 'string') {\n            throw invalidPipeArgumentError(LowerCasePipe_1, value);\n        }\n        return value.toLowerCase();\n    };\n    var LowerCasePipe_1;\n    LowerCasePipe = LowerCasePipe_1 = __decorate([\n        Pipe({ name: 'lowercase' })\n    ], LowerCasePipe);\n    return LowerCasePipe;\n}());\n//\n// Regex below matches any Unicode word and compatible with ES5. In ES2018 the same result\n// can be achieved by using /\\p{L}\\S*/gu and also known as Unicode Property Escapes\n// (http://2ality.com/2017/07/regexp-unicode-property-escapes.html). Since there is no\n// transpilation of this functionality down to ES5 without external tool, the only solution is\n// to use already transpiled form. Example can be found here -\n// https://mothereff.in/regexpu#input=var+regex+%3D+/%5Cp%7BL%7D/u%3B&unicodePropertyEscape=1\n//\nvar unicodeWordMatch = 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|\\uD800[\\uDC00-\\uDC0B\\uDC0D-\\uDC26\\uDC28-\\uDC3A\\uDC3C\\uDC3D\\uDC3F-\\uDC4D\\uDC50-\\uDC5D\\uDC80-\\uDCFA\\uDE80-\\uDE9C\\uDEA0-\\uDED0\\uDF00-\\uDF1F\\uDF2D-\\uDF40\\uDF42-\\uDF49\\uDF50-\\uDF75\\uDF80-\\uDF9D\\uDFA0-\\uDFC3\\uDFC8-\\uDFCF]|\\uD801[\\uDC00-\\uDC9D\\uDCB0-\\uDCD3\\uDCD8-\\uDCFB\\uDD00-\\uDD27\\uDD30-\\uDD63\\uDE00-\\uDF36\\uDF40-\\uDF55\\uDF60-\\uDF67]|\\uD802[\\uDC00-\\uDC05\\uDC08\\uDC0A-\\uDC35\\uDC37\\uDC38\\uDC3C\\uDC3F-\\uDC55\\uDC60-\\uDC76\\uDC80-\\uDC9E\\uDCE0-\\uDCF2\\uDCF4\\uDCF5\\uDD00-\\uDD15\\uDD20-\\uDD39\\uDD80-\\uDDB7\\uDDBE\\uDDBF\\uDE00\\uDE10-\\uDE13\\uDE15-\\uDE17\\uDE19-\\uDE33\\uDE60-\\uDE7C\\uDE80-\\uDE9C\\uDEC0-\\uDEC7\\uDEC9-\\uDEE4\\uDF00-\\uDF35\\uDF40-\\uDF55\\uDF60-\\uDF72\\uDF80-\\uDF91]|\\uD803[\\uDC00-\\uDC48\\uDC80-\\uDCB2\\uDCC0-\\uDCF2]|\\uD804[\\uDC03-\\uDC37\\uDC83-\\uDCAF\\uDCD0-\\uDCE8\\uDD03-\\uDD26\\uDD50-\\uDD72\\uDD76\\uDD83-\\uDDB2\\uDDC1-\\uDDC4\\uDDDA\\uDDDC\\uDE00-\\uDE11\\uDE13-\\uDE2B\\uDE80-\\uDE86\\uDE88\\uDE8A-\\uDE8D\\uDE8F-\\uDE9D\\uDE9F-\\uDEA8\\uDEB0-\\uDEDE\\uDF05-\\uDF0C\\uDF0F\\uDF10\\uDF13-\\uDF28\\uDF2A-\\uDF30\\uDF32\\uDF33\\uDF35-\\uDF39\\uDF3D\\uDF50\\uDF5D-\\uDF61]|\\uD805[\\uDC00-\\uDC34\\uDC47-\\uDC4A\\uDC80-\\uDCAF\\uDCC4\\uDCC5\\uDCC7\\uDD80-\\uDDAE\\uDDD8-\\uDDDB\\uDE00-\\uDE2F\\uDE44\\uDE80-\\uDEAA\\uDF00-\\uDF19]|\\uD806[\\uDCA0-\\uDCDF\\uDCFF\\uDE00\\uDE0B-\\uDE32\\uDE3A\\uDE50\\uDE5C-\\uDE83\\uDE86-\\uDE89\\uDEC0-\\uDEF8]|\\uD807[\\uDC00-\\uDC08\\uDC0A-\\uDC2E\\uDC40\\uDC72-\\uDC8F\\uDD00-\\uDD06\\uDD08\\uDD09\\uDD0B-\\uDD30\\uDD46]|\\uD808[\\uDC00-\\uDF99]|\\uD809[\\uDC80-\\uDD43]|[\\uD80C\\uD81C-\\uD820\\uD840-\\uD868\\uD86A-\\uD86C\\uD86F-\\uD872\\uD874-\\uD879][\\uDC00-\\uDFFF]|\\uD80D[\\uDC00-\\uDC2E]|\\uD811[\\uDC00-\\uDE46]|\\uD81A[\\uDC00-\\uDE38\\uDE40-\\uDE5E\\uDED0-\\uDEED\\uDF00-\\uDF2F\\uDF40-\\uDF43\\uDF63-\\uDF77\\uDF7D-\\uDF8F]|\\uD81B[\\uDF00-\\uDF44\\uDF50\\uDF93-\\uDF9F\\uDFE0\\uDFE1]|\\uD821[\\uDC00-\\uDFEC]|\\uD822[\\uDC00-\\uDEF2]|\\uD82C[\\uDC00-\\uDD1E\\uDD70-\\uDEFB]|\\uD82F[\\uDC00-\\uDC6A\\uDC70-\\uDC7C\\uDC80-\\uDC88\\uDC90-\\uDC99]|\\uD835[\\uDC00-\\uDC54\\uDC56-\\uDC9C\\uDC9E\\uDC9F\\uDCA2\\uDCA5\\uDCA6\\uDCA9-\\uDCAC\\uDCAE-\\uDCB9\\uDCBB\\uDCBD-\\uDCC3\\uDCC5-\\uDD05\\uDD07-\\uDD0A\\uDD0D-\\uDD14\\uDD16-\\uDD1C\\uDD1E-\\uDD39\\uDD3B-\\uDD3E\\uDD40-\\uDD44\\uDD46\\uDD4A-\\uDD50\\uDD52-\\uDEA5\\uDEA8-\\uDEC0\\uDEC2-\\uDEDA\\uDEDC-\\uDEFA\\uDEFC-\\uDF14\\uDF16-\\uDF34\\uDF36-\\uDF4E\\uDF50-\\uDF6E\\uDF70-\\uDF88\\uDF8A-\\uDFA8\\uDFAA-\\uDFC2\\uDFC4-\\uDFCB]|\\uD83A[\\uDC00-\\uDCC4\\uDD00-\\uDD43]|\\uD83B[\\uDE00-\\uDE03\\uDE05-\\uDE1F\\uDE21\\uDE22\\uDE24\\uDE27\\uDE29-\\uDE32\\uDE34-\\uDE37\\uDE39\\uDE3B\\uDE42\\uDE47\\uDE49\\uDE4B\\uDE4D-\\uDE4F\\uDE51\\uDE52\\uDE54\\uDE57\\uDE59\\uDE5B\\uDE5D\\uDE5F\\uDE61\\uDE62\\uDE64\\uDE67-\\uDE6A\\uDE6C-\\uDE72\\uDE74-\\uDE77\\uDE79-\\uDE7C\\uDE7E\\uDE80-\\uDE89\\uDE8B-\\uDE9B\\uDEA1-\\uDEA3\\uDEA5-\\uDEA9\\uDEAB-\\uDEBB]|\\uD869[\\uDC00-\\uDED6\\uDF00-\\uDFFF]|\\uD86D[\\uDC00-\\uDF34\\uDF40-\\uDFFF]|\\uD86E[\\uDC00-\\uDC1D\\uDC20-\\uDFFF]|\\uD873[\\uDC00-\\uDEA1\\uDEB0-\\uDFFF]|\\uD87A[\\uDC00-\\uDFE0]|\\uD87E[\\uDC00-\\uDE1D])\\S*/g;\n/**\n * Transforms text to title case.\n * Capitalizes the first letter of each word, and transforms the\n * rest of the word to lower case.\n * Words are delimited by any whitespace character, such as a space, tab, or line-feed character.\n *\n * @see `LowerCasePipe`\n * @see `UpperCasePipe`\n *\n * @usageNotes\n * The following example shows the result of transforming various strings into title case.\n *\n * <code-example path=\"common/pipes/ts/titlecase_pipe.ts\" region='TitleCasePipe'></code-example>\n *\n * @ngModule CommonModule\n * @publicApi\n */\nvar TitleCasePipe = /** @class */ (function () {\n    function TitleCasePipe() {\n    }\n    TitleCasePipe_1 = TitleCasePipe;\n    /**\n     * @param value The string to transform to title case.\n     */\n    TitleCasePipe.prototype.transform = function (value) {\n        if (!value)\n            return value;\n        if (typeof value !== 'string') {\n            throw invalidPipeArgumentError(TitleCasePipe_1, value);\n        }\n        return value.replace(unicodeWordMatch, (function (txt) { return txt[0].toUpperCase() + txt.substr(1).toLowerCase(); }));\n    };\n    var TitleCasePipe_1;\n    TitleCasePipe = TitleCasePipe_1 = __decorate([\n        Pipe({ name: 'titlecase' })\n    ], TitleCasePipe);\n    return TitleCasePipe;\n}());\n/**\n * Transforms text to all upper case.\n * @see `LowerCasePipe`\n * @see `TitleCasePipe`\n *\n * @ngModule CommonModule\n * @publicApi\n */\nvar UpperCasePipe = /** @class */ (function () {\n    function UpperCasePipe() {\n    }\n    UpperCasePipe_1 = UpperCasePipe;\n    /**\n     * @param value The string to transform to upper case.\n     */\n    UpperCasePipe.prototype.transform = function (value) {\n        if (!value)\n            return value;\n        if (typeof value !== 'string') {\n            throw invalidPipeArgumentError(UpperCasePipe_1, value);\n        }\n        return value.toUpperCase();\n    };\n    var UpperCasePipe_1;\n    UpperCasePipe = UpperCasePipe_1 = __decorate([\n        Pipe({ name: 'uppercase' })\n    ], UpperCasePipe);\n    return UpperCasePipe;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// clang-format off\n/**\n * @ngModule CommonModule\n * @description\n *\n * Formats a date value according to locale rules.\n *\n * Only the `en-US` locale data comes with Angular. To localize dates\n * in another language, you must import the corresponding locale data.\n * See the [I18n guide](guide/i18n#i18n-pipes) for more information.\n *\n * @see `formatDate()`\n *\n *\n * @usageNotes\n *\n * The result of this pipe is not reevaluated when the input is mutated. To avoid the need to\n * reformat the date on every change-detection cycle, treat the date as an immutable object\n * and change the reference when the pipe needs to run again.\n *\n * ### Pre-defined format options\n *\n * Examples are given in `en-US` locale.\n *\n * - `'short'`: equivalent to `'M/d/yy, h:mm a'` (`6/15/15, 9:03 AM`).\n * - `'medium'`: equivalent to `'MMM d, y, h:mm:ss a'` (`Jun 15, 2015, 9:03:01 AM`).\n * - `'long'`: equivalent to `'MMMM d, y, h:mm:ss a z'` (`June 15, 2015 at 9:03:01 AM\n * GMT+1`).\n * - `'full'`: equivalent to `'EEEE, MMMM d, y, h:mm:ss a zzzz'` (`Monday, June 15, 2015 at\n * 9:03:01 AM GMT+01:00`).\n * - `'shortDate'`: equivalent to `'M/d/yy'` (`6/15/15`).\n * - `'mediumDate'`: equivalent to `'MMM d, y'` (`Jun 15, 2015`).\n * - `'longDate'`: equivalent to `'MMMM d, y'` (`June 15, 2015`).\n * - `'fullDate'`: equivalent to `'EEEE, MMMM d, y'` (`Monday, June 15, 2015`).\n * - `'shortTime'`: equivalent to `'h:mm a'` (`9:03 AM`).\n * - `'mediumTime'`: equivalent to `'h:mm:ss a'` (`9:03:01 AM`).\n * - `'longTime'`: equivalent to `'h:mm:ss a z'` (`9:03:01 AM GMT+1`).\n * - `'fullTime'`: equivalent to `'h:mm:ss a zzzz'` (`9:03:01 AM GMT+01:00`).\n *\n * ### Custom format options\n *\n * You can construct a format string using symbols to specify the components\n * of a date-time value, as described in the following table.\n * Format details depend on the locale.\n * Fields marked with (*) are only available in the extra data set for the given locale.\n *\n *  | Field type         | Format      | Description                                                   | Example Value                                              |\n *  |--------------------|-------------|---------------------------------------------------------------|------------------------------------------------------------|\n *  | Era                | G, GG & GGG | Abbreviated                                                   | AD                                                         |\n *  |                    | GGGG        | Wide                                                          | Anno Domini                                                |\n *  |                    | GGGGG       | Narrow                                                        | A                                                          |\n *  | Year               | y           | Numeric: minimum digits                                       | 2, 20, 201, 2017, 20173                                    |\n *  |                    | yy          | Numeric: 2 digits + zero padded                               | 02, 20, 01, 17, 73                                         |\n *  |                    | yyy         | Numeric: 3 digits + zero padded                               | 002, 020, 201, 2017, 20173                                 |\n *  |                    | yyyy        | Numeric: 4 digits or more + zero padded                       | 0002, 0020, 0201, 2017, 20173                              |\n *  | Month              | M           | Numeric: 1 digit                                              | 9, 12                                                      |\n *  |                    | MM          | Numeric: 2 digits + zero padded                               | 09, 12                                                     |\n *  |                    | MMM         | Abbreviated                                                   | Sep                                                        |\n *  |                    | MMMM        | Wide                                                          | September                                                  |\n *  |                    | MMMMM       | Narrow                                                        | S                                                          |\n *  | Month standalone   | L           | Numeric: 1 digit                                              | 9, 12                                                      |\n *  |                    | LL          | Numeric: 2 digits + zero padded                               | 09, 12                                                     |\n *  |                    | LLL         | Abbreviated                                                   | Sep                                                        |\n *  |                    | LLLL        | Wide                                                          | September                                                  |\n *  |                    | LLLLL       | Narrow                                                        | S                                                          |\n *  | Week of year       | w           | Numeric: minimum digits                                       | 1... 53                                                    |\n *  |                    | ww          | Numeric: 2 digits + zero padded                               | 01... 53                                                   |\n *  | Week of month      | W           | Numeric: 1 digit                                              | 1... 5                                                     |\n *  | Day of month       | d           | Numeric: minimum digits                                       | 1                                                          |\n *  |                    | dd          | Numeric: 2 digits + zero padded                               | 01                                                          |\n *  | Week day           | E, EE & EEE | Abbreviated                                                   | Tue                                                        |\n *  |                    | EEEE        | Wide                                                          | Tuesday                                                    |\n *  |                    | EEEEE       | Narrow                                                        | T                                                          |\n *  |                    | EEEEEE      | Short                                                         | Tu                                                         |\n *  | Period             | a, aa & aaa | Abbreviated                                                   | am/pm or AM/PM                                             |\n *  |                    | aaaa        | Wide (fallback to `a` when missing)                           | ante meridiem/post meridiem                                |\n *  |                    | aaaaa       | Narrow                                                        | a/p                                                        |\n *  | Period*            | B, BB & BBB | Abbreviated                                                   | mid.                                                       |\n *  |                    | BBBB        | Wide                                                          | am, pm, midnight, noon, morning, afternoon, evening, night |\n *  |                    | BBBBB       | Narrow                                                        | md                                                         |\n *  | Period standalone* | b, bb & bbb | Abbreviated                                                   | mid.                                                       |\n *  |                    | bbbb        | Wide                                                          | am, pm, midnight, noon, morning, afternoon, evening, night |\n *  |                    | bbbbb       | Narrow                                                        | md                                                         |\n *  | Hour 1-12          | h           | Numeric: minimum digits                                       | 1, 12                                                      |\n *  |                    | hh          | Numeric: 2 digits + zero padded                               | 01, 12                                                     |\n *  | Hour 0-23          | H           | Numeric: minimum digits                                       | 0, 23                                                      |\n *  |                    | HH          | Numeric: 2 digits + zero padded                               | 00, 23                                                     |\n *  | Minute             | m           | Numeric: minimum digits                                       | 8, 59                                                      |\n *  |                    | mm          | Numeric: 2 digits + zero padded                               | 08, 59                                                     |\n *  | Second             | s           | Numeric: minimum digits                                       | 0... 59                                                    |\n *  |                    | ss          | Numeric: 2 digits + zero padded                               | 00... 59                                                   |\n *  | Fractional seconds | S           | Numeric: 1 digit                                              | 0... 9                                                     |\n *  |                    | SS          | Numeric: 2 digits + zero padded                               | 00... 99                                                   |\n *  |                    | SSS         | Numeric: 3 digits + zero padded (= milliseconds)              | 000... 999                                                 |\n *  | Zone               | z, zz & zzz | Short specific non location format (fallback to O)            | GMT-8                                                      |\n *  |                    | zzzz        | Long specific non location format (fallback to OOOO)          | GMT-08:00                                                  |\n *  |                    | Z, ZZ & ZZZ | ISO8601 basic format                                          | -0800                                                      |\n *  |                    | ZZZZ        | Long localized GMT format                                     | GMT-8:00                                                   |\n *  |                    | ZZZZZ       | ISO8601 extended format + Z indicator for offset 0 (= XXXXX)  | -08:00                                                     |\n *  |                    | O, OO & OOO | Short localized GMT format                                    | GMT-8                                                      |\n *  |                    | OOOO        | Long localized GMT format                                     | GMT-08:00                                                  |\n *\n * Note that timezone correction is not applied to an ISO string that has no time component, such as \"2016-09-19\"\n *\n * ### Format examples\n *\n * These examples transform a date into various formats,\n * assuming that `dateObj` is a JavaScript `Date` object for\n * year: 2015, month: 6, day: 15, hour: 21, minute: 43, second: 11,\n * given in the local time for the `en-US` locale.\n *\n * ```\n * {{ dateObj | date }}               // output is 'Jun 15, 2015'\n * {{ dateObj | date:'medium' }}      // output is 'Jun 15, 2015, 9:43:11 PM'\n * {{ dateObj | date:'shortTime' }}   // output is '9:43 PM'\n * {{ dateObj | date:'mm:ss' }}       // output is '43:11'\n * ```\n *\n * ### Usage example\n *\n * The following component uses a date pipe to display the current date in different formats.\n *\n * ```\n * @Component({\n *  selector: 'date-pipe',\n *  template: `<div>\n *    <p>Today is {{today | date}}</p>\n *    <p>Or if you prefer, {{today | date:'fullDate'}}</p>\n *    <p>The time is {{today | date:'h:mm a z'}}</p>\n *  </div>`\n * })\n * // Get the current date and time as a date-time value.\n * export class DatePipeComponent {\n *   today: number = Date.now();\n * }\n * ```\n *\n * @publicApi\n */\n// clang-format on\nvar DatePipe = /** @class */ (function () {\n    function DatePipe(locale) {\n        this.locale = locale;\n    }\n    DatePipe_1 = DatePipe;\n    /**\n     * @param value The date expression: a `Date` object,  a number\n     * (milliseconds since UTC epoch), or an ISO string (https://www.w3.org/TR/NOTE-datetime).\n     * @param format The date/time components to include, using predefined options or a\n     * custom format string.\n     * @param timezone A timezone offset (such as `'+0430'`), or a standard\n     * UTC/GMT or continental US timezone abbreviation.\n     * When not supplied, uses the end-user's local system timezone.\n     * @param locale A locale code for the locale format rules to use.\n     * When not supplied, uses the value of `LOCALE_ID`, which is `en-US` by default.\n     * See [Setting your app locale](guide/i18n#setting-up-the-locale-of-your-app).\n     * @returns A date string in the desired format.\n     */\n    DatePipe.prototype.transform = function (value, format, timezone, locale) {\n        if (format === void 0) { format = 'mediumDate'; }\n        if (value == null || value === '' || value !== value)\n            return null;\n        try {\n            return formatDate(value, format, locale || this.locale, timezone);\n        }\n        catch (error) {\n            throw invalidPipeArgumentError(DatePipe_1, error.message);\n        }\n    };\n    var DatePipe_1;\n    DatePipe = DatePipe_1 = __decorate([\n        Pipe({ name: 'date', pure: true }),\n        __param(0, Inject(LOCALE_ID)),\n        __metadata(\"design:paramtypes\", [String])\n    ], DatePipe);\n    return DatePipe;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar _INTERPOLATION_REGEXP = /#/g;\n/**\n * @ngModule CommonModule\n * @description\n *\n * Maps a value to a string that pluralizes the value according to locale rules.\n *\n * @usageNotes\n *\n * ### Example\n *\n * {@example common/pipes/ts/i18n_pipe.ts region='I18nPluralPipeComponent'}\n *\n * @publicApi\n */\nvar I18nPluralPipe = /** @class */ (function () {\n    function I18nPluralPipe(_localization) {\n        this._localization = _localization;\n    }\n    I18nPluralPipe_1 = I18nPluralPipe;\n    /**\n     * @param value the number to be formatted\n     * @param pluralMap an object that mimics the ICU format, see\n     * http://userguide.icu-project.org/formatparse/messages.\n     * @param locale a `string` defining the locale to use (uses the current {@link LOCALE_ID} by\n     * default).\n     */\n    I18nPluralPipe.prototype.transform = function (value, pluralMap, locale) {\n        if (value == null)\n            return '';\n        if (typeof pluralMap !== 'object' || pluralMap === null) {\n            throw invalidPipeArgumentError(I18nPluralPipe_1, pluralMap);\n        }\n        var key = getPluralCategory(value, Object.keys(pluralMap), this._localization, locale);\n        return pluralMap[key].replace(_INTERPOLATION_REGEXP, value.toString());\n    };\n    var I18nPluralPipe_1;\n    I18nPluralPipe = I18nPluralPipe_1 = __decorate([\n        Pipe({ name: 'i18nPlural', pure: true }),\n        __metadata(\"design:paramtypes\", [NgLocalization])\n    ], I18nPluralPipe);\n    return I18nPluralPipe;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @ngModule CommonModule\n * @description\n *\n * Generic selector that displays the string that matches the current value.\n *\n * If none of the keys of the `mapping` match the `value`, then the content\n * of the `other` key is returned when present, otherwise an empty string is returned.\n *\n * @usageNotes\n *\n * ### Example\n *\n * {@example common/pipes/ts/i18n_pipe.ts region='I18nSelectPipeComponent'}\n *\n * @publicApi\n */\nvar I18nSelectPipe = /** @class */ (function () {\n    function I18nSelectPipe() {\n    }\n    I18nSelectPipe_1 = I18nSelectPipe;\n    /**\n     * @param value a string to be internationalized.\n     * @param mapping an object that indicates the text that should be displayed\n     * for different values of the provided `value`.\n     */\n    I18nSelectPipe.prototype.transform = function (value, mapping) {\n        if (value == null)\n            return '';\n        if (typeof mapping !== 'object' || typeof value !== 'string') {\n            throw invalidPipeArgumentError(I18nSelectPipe_1, mapping);\n        }\n        if (mapping.hasOwnProperty(value)) {\n            return mapping[value];\n        }\n        if (mapping.hasOwnProperty('other')) {\n            return mapping['other'];\n        }\n        return '';\n    };\n    var I18nSelectPipe_1;\n    I18nSelectPipe = I18nSelectPipe_1 = __decorate([\n        Pipe({ name: 'i18nSelect', pure: true })\n    ], I18nSelectPipe);\n    return I18nSelectPipe;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @ngModule CommonModule\n * @description\n *\n * Converts a value into its JSON-format representation.  Useful for debugging.\n *\n * @usageNotes\n *\n * The following component uses a JSON pipe to convert an object\n * to JSON format, and displays the string in both formats for comparison.\n *\n * {@example common/pipes/ts/json_pipe.ts region='JsonPipe'}\n *\n * @publicApi\n */\nvar JsonPipe = /** @class */ (function () {\n    function JsonPipe() {\n    }\n    /**\n     * @param value A value of any type to convert into a JSON-format string.\n     */\n    JsonPipe.prototype.transform = function (value) { return JSON.stringify(value, null, 2); };\n    JsonPipe = __decorate([\n        Pipe({ name: 'json', pure: false })\n    ], JsonPipe);\n    return JsonPipe;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction makeKeyValuePair(key, value) {\n    return { key: key, value: value };\n}\n/**\n * @ngModule CommonModule\n * @description\n *\n * Transforms Object or Map into an array of key value pairs.\n *\n * The output array will be ordered by keys.\n * By default the comparator will be by Unicode point value.\n * You can optionally pass a compareFn if your keys are complex types.\n *\n * @usageNotes\n * ### Examples\n *\n * This examples show how an Object or a Map can be iterated by ngFor with the use of this keyvalue\n * pipe.\n *\n * {@example common/pipes/ts/keyvalue_pipe.ts region='KeyValuePipe'}\n *\n * @publicApi\n */\nvar KeyValuePipe = /** @class */ (function () {\n    function KeyValuePipe(differs) {\n        this.differs = differs;\n        this.keyValues = [];\n    }\n    KeyValuePipe.prototype.transform = function (input, compareFn) {\n        var _this = this;\n        if (compareFn === void 0) { compareFn = defaultComparator; }\n        if (!input || (!(input instanceof Map) && typeof input !== 'object')) {\n            return null;\n        }\n        if (!this.differ) {\n            // make a differ for whatever type we've been passed in\n            this.differ = this.differs.find(input).create();\n        }\n        var differChanges = this.differ.diff(input);\n        if (differChanges) {\n            this.keyValues = [];\n            differChanges.forEachItem(function (r) {\n                _this.keyValues.push(makeKeyValuePair(r.key, r.currentValue));\n            });\n            this.keyValues.sort(compareFn);\n        }\n        return this.keyValues;\n    };\n    KeyValuePipe = __decorate([\n        Pipe({ name: 'keyvalue', pure: false }),\n        __metadata(\"design:paramtypes\", [KeyValueDiffers])\n    ], KeyValuePipe);\n    return KeyValuePipe;\n}());\nfunction defaultComparator(keyValueA, keyValueB) {\n    var a = keyValueA.key;\n    var b = keyValueB.key;\n    // if same exit with 0;\n    if (a === b)\n        return 0;\n    // make sure that undefined are at the end of the sort.\n    if (a === undefined)\n        return 1;\n    if (b === undefined)\n        return -1;\n    // make sure that nulls are at the end of the sort.\n    if (a === null)\n        return 1;\n    if (b === null)\n        return -1;\n    if (typeof a == 'string' && typeof b == 'string') {\n        return a < b ? -1 : 1;\n    }\n    if (typeof a == 'number' && typeof b == 'number') {\n        return a - b;\n    }\n    if (typeof a == 'boolean' && typeof b == 'boolean') {\n        return a < b ? -1 : 1;\n    }\n    // `a` and `b` are of different types. Compare their string values.\n    var aString = String(a);\n    var bString = String(b);\n    return aString == bString ? 0 : aString < bString ? -1 : 1;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @ngModule CommonModule\n * @description\n *\n * Transforms a number into a string,\n * formatted according to locale rules that determine group sizing and\n * separator, decimal-point character, and other locale-specific\n * configurations.\n *\n * If no parameters are specified, the function rounds off to the nearest value using this\n * [rounding method](https://en.wikibooks.org/wiki/Arithmetic/Rounding).\n * The behavior differs from that of the JavaScript ```Math.round()``` function.\n * In the following case for example, the pipe rounds down where\n * ```Math.round()``` rounds up:\n *\n * ```html\n * -2.5 | number:'1.0-0'\n * > -3\n * Math.round(-2.5)\n * > -2\n * ```\n *\n * @see `formatNumber()`\n *\n * @usageNotes\n * The following code shows how the pipe transforms numbers\n * into text strings, according to various format specifications,\n * where the caller's default locale is `en-US`.\n *\n * ### Example\n *\n * <code-example path=\"common/pipes/ts/number_pipe.ts\" region='NumberPipe'></code-example>\n *\n * @publicApi\n */\nvar DecimalPipe = /** @class */ (function () {\n    function DecimalPipe(_locale) {\n        this._locale = _locale;\n    }\n    DecimalPipe_1 = DecimalPipe;\n    /**\n     * @param value The number to be formatted.\n     * @param digitsInfo Decimal representation options, specified by a string\n     * in the following format:<br>\n     * <code>{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}</code>.\n     *   - `minIntegerDigits`: The minimum number of integer digits before the decimal point.\n     * Default is `1`.\n     *   - `minFractionDigits`: The minimum number of digits after the decimal point.\n     * Default is `0`.\n     *   - `maxFractionDigits`: The maximum number of digits after the decimal point.\n     * Default is `3`.\n     * @param locale A locale code for the locale format rules to use.\n     * When not supplied, uses the value of `LOCALE_ID`, which is `en-US` by default.\n     * See [Setting your app locale](guide/i18n#setting-up-the-locale-of-your-app).\n     */\n    DecimalPipe.prototype.transform = function (value, digitsInfo, locale) {\n        if (isEmpty(value))\n            return null;\n        locale = locale || this._locale;\n        try {\n            var num = strToNumber(value);\n            return formatNumber(num, locale, digitsInfo);\n        }\n        catch (error) {\n            throw invalidPipeArgumentError(DecimalPipe_1, error.message);\n        }\n    };\n    var DecimalPipe_1;\n    DecimalPipe = DecimalPipe_1 = __decorate([\n        Pipe({ name: 'number' }),\n        __param(0, Inject(LOCALE_ID)),\n        __metadata(\"design:paramtypes\", [String])\n    ], DecimalPipe);\n    return DecimalPipe;\n}());\n/**\n * @ngModule CommonModule\n * @description\n *\n * Transforms a number to a percentage\n * string, formatted according to locale rules that determine group sizing and\n * separator, decimal-point character, and other locale-specific\n * configurations.\n *\n * @see `formatPercent()`\n *\n * @usageNotes\n * The following code shows how the pipe transforms numbers\n * into text strings, according to various format specifications,\n * where the caller's default locale is `en-US`.\n *\n * <code-example path=\"common/pipes/ts/percent_pipe.ts\" region='PercentPipe'></code-example>\n *\n * @publicApi\n */\nvar PercentPipe = /** @class */ (function () {\n    function PercentPipe(_locale) {\n        this._locale = _locale;\n    }\n    PercentPipe_1 = PercentPipe;\n    /**\n     *\n     * @param value The number to be formatted as a percentage.\n     * @param digitsInfo Decimal representation options, specified by a string\n     * in the following format:<br>\n     * <code>{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}</code>.\n     *   - `minIntegerDigits`: The minimum number of integer digits before the decimal point.\n     * Default is `1`.\n     *   - `minFractionDigits`: The minimum number of digits after the decimal point.\n     * Default is `0`.\n     *   - `maxFractionDigits`: The maximum number of digits after the decimal point.\n     * Default is `0`.\n     * @param locale A locale code for the locale format rules to use.\n     * When not supplied, uses the value of `LOCALE_ID`, which is `en-US` by default.\n     * See [Setting your app locale](guide/i18n#setting-up-the-locale-of-your-app).\n     */\n    PercentPipe.prototype.transform = function (value, digitsInfo, locale) {\n        if (isEmpty(value))\n            return null;\n        locale = locale || this._locale;\n        try {\n            var num = strToNumber(value);\n            return formatPercent(num, locale, digitsInfo);\n        }\n        catch (error) {\n            throw invalidPipeArgumentError(PercentPipe_1, error.message);\n        }\n    };\n    var PercentPipe_1;\n    PercentPipe = PercentPipe_1 = __decorate([\n        Pipe({ name: 'percent' }),\n        __param(0, Inject(LOCALE_ID)),\n        __metadata(\"design:paramtypes\", [String])\n    ], PercentPipe);\n    return PercentPipe;\n}());\n/**\n * @ngModule CommonModule\n * @description\n *\n * Transforms a number to a currency string, formatted according to locale rules\n * that determine group sizing and separator, decimal-point character,\n * and other locale-specific configurations.\n *\n * {@a currency-code-deprecation}\n * <div class=\"alert is-helpful\">\n *\n * **Deprecation notice:**\n *\n * The default currency code is currently always `USD` but this is deprecated from v9.\n *\n * **In v11 the default currency code will be taken from the current locale identified by\n * the `LOCAL_ID` token. See the [i18n guide](guide/i18n#setting-up-the-locale-of-your-app) for\n * more information.**\n *\n * If you need the previous behavior then set it by creating a `DEFAULT_CURRENCY_CODE` provider in\n * your application `NgModule`:\n *\n * ```ts\n * {provide: DEFAULT_CURRENCY_CODE, useValue: 'USD'}\n * ```\n *\n * </div>\n *\n * @see `getCurrencySymbol()`\n * @see `formatCurrency()`\n *\n * @usageNotes\n * The following code shows how the pipe transforms numbers\n * into text strings, according to various format specifications,\n * where the caller's default locale is `en-US`.\n *\n * <code-example path=\"common/pipes/ts/currency_pipe.ts\" region='CurrencyPipe'></code-example>\n *\n * @publicApi\n */\nvar CurrencyPipe = /** @class */ (function () {\n    function CurrencyPipe(_locale, _defaultCurrencyCode) {\n        if (_defaultCurrencyCode === void 0) { _defaultCurrencyCode = 'USD'; }\n        this._locale = _locale;\n        this._defaultCurrencyCode = _defaultCurrencyCode;\n    }\n    CurrencyPipe_1 = CurrencyPipe;\n    /**\n     *\n     * @param value The number to be formatted as currency.\n     * @param currencyCode The [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217) currency code,\n     * such as `USD` for the US dollar and `EUR` for the euro. The default currency code can be\n     * configured using the `DEFAULT_CURRENCY_CODE` injection token.\n     * @param display The format for the currency indicator. One of the following:\n     *   - `code`: Show the code (such as `USD`).\n     *   - `symbol`(default): Show the symbol (such as `$`).\n     *   - `symbol-narrow`: Use the narrow symbol for locales that have two symbols for their\n     * currency.\n     * For example, the Canadian dollar CAD has the symbol `CA$` and the symbol-narrow `$`. If the\n     * locale has no narrow symbol, uses the standard symbol for the locale.\n     *   - String: Use the given string value instead of a code or a symbol.\n     * For example, an empty string will suppress the currency & symbol.\n     *   - Boolean (marked deprecated in v5): `true` for symbol and false for `code`.\n     *\n     * @param digitsInfo Decimal representation options, specified by a string\n     * in the following format:<br>\n     * <code>{minIntegerDigits}.{minFractionDigits}-{maxFractionDigits}</code>.\n     *   - `minIntegerDigits`: The minimum number of integer digits before the decimal point.\n     * Default is `1`.\n     *   - `minFractionDigits`: The minimum number of digits after the decimal point.\n     * Default is `2`.\n     *   - `maxFractionDigits`: The maximum number of digits after the decimal point.\n     * Default is `2`.\n     * If not provided, the number will be formatted with the proper amount of digits,\n     * depending on what the [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217) specifies.\n     * For example, the Canadian dollar has 2 digits, whereas the Chilean peso has none.\n     * @param locale A locale code for the locale format rules to use.\n     * When not supplied, uses the value of `LOCALE_ID`, which is `en-US` by default.\n     * See [Setting your app locale](guide/i18n#setting-up-the-locale-of-your-app).\n     */\n    CurrencyPipe.prototype.transform = function (value, currencyCode, display, digitsInfo, locale) {\n        if (display === void 0) { display = 'symbol'; }\n        if (isEmpty(value))\n            return null;\n        locale = locale || this._locale;\n        if (typeof display === 'boolean') {\n            if (console && console.warn) {\n                console.warn(\"Warning: the currency pipe has been changed in Angular v5. The symbolDisplay option (third parameter) is now a string instead of a boolean. The accepted values are \\\"code\\\", \\\"symbol\\\" or \\\"symbol-narrow\\\".\");\n            }\n            display = display ? 'symbol' : 'code';\n        }\n        var currency = currencyCode || this._defaultCurrencyCode;\n        if (display !== 'code') {\n            if (display === 'symbol' || display === 'symbol-narrow') {\n                currency = getCurrencySymbol(currency, display === 'symbol' ? 'wide' : 'narrow', locale);\n            }\n            else {\n                currency = display;\n            }\n        }\n        try {\n            var num = strToNumber(value);\n            return formatCurrency(num, locale, currency, currencyCode, digitsInfo);\n        }\n        catch (error) {\n            throw invalidPipeArgumentError(CurrencyPipe_1, error.message);\n        }\n    };\n    var CurrencyPipe_1;\n    CurrencyPipe = CurrencyPipe_1 = __decorate([\n        Pipe({ name: 'currency' }),\n        __param(0, Inject(LOCALE_ID)),\n        __param(1, Inject(DEFAULT_CURRENCY_CODE)),\n        __metadata(\"design:paramtypes\", [String, String])\n    ], CurrencyPipe);\n    return CurrencyPipe;\n}());\nfunction isEmpty(value) {\n    return value == null || value === '' || value !== value;\n}\n/**\n * Transforms a string into a number (if needed).\n */\nfunction strToNumber(value) {\n    // Convert strings to numbers\n    if (typeof value === 'string' && !isNaN(Number(value) - parseFloat(value))) {\n        return Number(value);\n    }\n    if (typeof value !== 'number') {\n        throw new Error(value + \" is not a number\");\n    }\n    return value;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @ngModule CommonModule\n * @description\n *\n * Creates a new `Array` or `String` containing a subset (slice) of the elements.\n *\n * @usageNotes\n *\n * All behavior is based on the expected behavior of the JavaScript API `Array.prototype.slice()`\n * and `String.prototype.slice()`.\n *\n * When operating on an `Array`, the returned `Array` is always a copy even when all\n * the elements are being returned.\n *\n * When operating on a blank value, the pipe returns the blank value.\n *\n * ### List Example\n *\n * This `ngFor` example:\n *\n * {@example common/pipes/ts/slice_pipe.ts region='SlicePipe_list'}\n *\n * produces the following:\n *\n * ```html\n * <li>b</li>\n * <li>c</li>\n * ```\n *\n * ### String Examples\n *\n * {@example common/pipes/ts/slice_pipe.ts region='SlicePipe_string'}\n *\n * @publicApi\n */\nvar SlicePipe = /** @class */ (function () {\n    function SlicePipe() {\n    }\n    SlicePipe_1 = SlicePipe;\n    SlicePipe.prototype.transform = function (value, start, end) {\n        if (value == null)\n            return value;\n        if (!this.supports(value)) {\n            throw invalidPipeArgumentError(SlicePipe_1, value);\n        }\n        return value.slice(start, end);\n    };\n    SlicePipe.prototype.supports = function (obj) { return typeof obj === 'string' || Array.isArray(obj); };\n    var SlicePipe_1;\n    SlicePipe = SlicePipe_1 = __decorate([\n        Pipe({ name: 'slice', pure: false })\n    ], SlicePipe);\n    return SlicePipe;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A collection of Angular pipes that are likely to be used in each and every application.\n */\nvar COMMON_PIPES = [\n    AsyncPipe,\n    UpperCasePipe,\n    LowerCasePipe,\n    JsonPipe,\n    SlicePipe,\n    DecimalPipe,\n    PercentPipe,\n    TitleCasePipe,\n    CurrencyPipe,\n    DatePipe,\n    I18nPluralPipe,\n    I18nSelectPipe,\n    KeyValuePipe,\n];\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Note: This does not contain the location providers,\n// as they need some platform specific implementations to work.\n/**\n * Exports all the basic Angular directives and pipes,\n * such as `NgIf`, `NgForOf`, `DecimalPipe`, and so on.\n * Re-exported by `BrowserModule`, which is included automatically in the root\n * `AppModule` when you create a new app with the CLI `new` command.\n *\n * * The `providers` options configure the NgModule's injector to provide\n * localization dependencies to members.\n * * The `exports` options make the declared directives and pipes available for import\n * by other NgModules.\n *\n * @publicApi\n */\nvar CommonModule = /** @class */ (function () {\n    function CommonModule() {\n    }\n    CommonModule = __decorate([\n        NgModule({\n            declarations: [COMMON_DIRECTIVES, COMMON_PIPES],\n            exports: [COMMON_DIRECTIVES, COMMON_PIPES],\n            providers: [\n                { provide: NgLocalization, useClass: NgLocaleLocalization },\n            ],\n        })\n    ], CommonModule);\n    return CommonModule;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar PLATFORM_BROWSER_ID = 'browser';\nvar PLATFORM_SERVER_ID = 'server';\nvar PLATFORM_WORKER_APP_ID = 'browserWorkerApp';\nvar PLATFORM_WORKER_UI_ID = 'browserWorkerUi';\n/**\n * Returns whether a platform id represents a browser platform.\n * @publicApi\n */\nfunction isPlatformBrowser(platformId) {\n    return platformId === PLATFORM_BROWSER_ID;\n}\n/**\n * Returns whether a platform id represents a server platform.\n * @publicApi\n */\nfunction isPlatformServer(platformId) {\n    return platformId === PLATFORM_SERVER_ID;\n}\n/**\n * Returns whether a platform id represents a web worker app platform.\n * @publicApi\n */\nfunction isPlatformWorkerApp(platformId) {\n    return platformId === PLATFORM_WORKER_APP_ID;\n}\n/**\n * Returns whether a platform id represents a web worker UI platform.\n * @publicApi\n */\nfunction isPlatformWorkerUi(platformId) {\n    return platformId === PLATFORM_WORKER_UI_ID;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @publicApi\n */\nvar VERSION = new Version('9.0.0');\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Defines a scroll position manager. Implemented by `BrowserViewportScroller`.\n *\n * @publicApi\n */\nvar ViewportScroller = /** @class */ (function () {\n    function ViewportScroller() {\n    }\n    // De-sugared tree-shakable injection\n    // See #23917\n    /** @nocollapse */\n    ViewportScroller.ɵprov = ɵɵdefineInjectable({\n        token: ViewportScroller,\n        providedIn: 'root',\n        factory: function () { return new BrowserViewportScroller(ɵɵinject(DOCUMENT), window, ɵɵinject(ErrorHandler)); }\n    });\n    return ViewportScroller;\n}());\n/**\n * Manages the scroll position for a browser window.\n */\nvar BrowserViewportScroller = /** @class */ (function () {\n    function BrowserViewportScroller(document, window, errorHandler) {\n        this.document = document;\n        this.window = window;\n        this.errorHandler = errorHandler;\n        this.offset = function () { return [0, 0]; };\n    }\n    /**\n     * Configures the top offset used when scrolling to an anchor.\n     * @param offset A position in screen coordinates (a tuple with x and y values)\n     * or a function that returns the top offset position.\n     *\n     */\n    BrowserViewportScroller.prototype.setOffset = function (offset) {\n        if (Array.isArray(offset)) {\n            this.offset = function () { return offset; };\n        }\n        else {\n            this.offset = offset;\n        }\n    };\n    /**\n     * Retrieves the current scroll position.\n     * @returns The position in screen coordinates.\n     */\n    BrowserViewportScroller.prototype.getScrollPosition = function () {\n        if (this.supportScrollRestoration()) {\n            return [this.window.scrollX, this.window.scrollY];\n        }\n        else {\n            return [0, 0];\n        }\n    };\n    /**\n     * Sets the scroll position.\n     * @param position The new position in screen coordinates.\n     */\n    BrowserViewportScroller.prototype.scrollToPosition = function (position) {\n        if (this.supportScrollRestoration()) {\n            this.window.scrollTo(position[0], position[1]);\n        }\n    };\n    /**\n     * Scrolls to an anchor element.\n     * @param anchor The ID of the anchor element.\n     */\n    BrowserViewportScroller.prototype.scrollToAnchor = function (anchor) {\n        if (this.supportScrollRestoration()) {\n            // Escape anything passed to `querySelector` as it can throw errors and stop the application\n            // from working if invalid values are passed.\n            if (this.window.CSS && this.window.CSS.escape) {\n                anchor = this.window.CSS.escape(anchor);\n            }\n            else {\n                anchor = anchor.replace(/(\\\"|\\'\\ |:|\\.|\\[|\\]|,|=)/g, '\\\\$1');\n            }\n            try {\n                var elSelectedById = this.document.querySelector(\"#\" + anchor);\n                if (elSelectedById) {\n                    this.scrollToElement(elSelectedById);\n                    return;\n                }\n                var elSelectedByName = this.document.querySelector(\"[name='\" + anchor + \"']\");\n                if (elSelectedByName) {\n                    this.scrollToElement(elSelectedByName);\n                    return;\n                }\n            }\n            catch (e) {\n                this.errorHandler.handleError(e);\n            }\n        }\n    };\n    /**\n     * Disables automatic scroll restoration provided by the browser.\n     */\n    BrowserViewportScroller.prototype.setHistoryScrollRestoration = function (scrollRestoration) {\n        if (this.supportScrollRestoration()) {\n            var history_1 = this.window.history;\n            if (history_1 && history_1.scrollRestoration) {\n                history_1.scrollRestoration = scrollRestoration;\n            }\n        }\n    };\n    BrowserViewportScroller.prototype.scrollToElement = function (el) {\n        var rect = el.getBoundingClientRect();\n        var left = rect.left + this.window.pageXOffset;\n        var top = rect.top + this.window.pageYOffset;\n        var offset = this.offset();\n        this.window.scrollTo(left - offset[0], top - offset[1]);\n    };\n    /**\n     * We only support scroll restoration when we can get a hold of window.\n     * This means that we do not support this behavior when running in a web worker.\n     *\n     * Lifting this restriction right now would require more changes in the dom adapter.\n     * Since webworkers aren't widely used, we will lift it once RouterScroller is\n     * battle-tested.\n     */\n    BrowserViewportScroller.prototype.supportScrollRestoration = function () {\n        try {\n            return !!this.window && !!this.window.scrollTo;\n        }\n        catch (_a) {\n            return false;\n        }\n    };\n    return BrowserViewportScroller;\n}());\n/**\n * Provides an empty implementation of the viewport scroller. This will\n * live in @angular/common as it will be used by both platform-server and platform-webworker.\n */\nvar NullViewportScroller = /** @class */ (function () {\n    function NullViewportScroller() {\n    }\n    /**\n     * Empty implementation\n     */\n    NullViewportScroller.prototype.setOffset = function (offset) { };\n    /**\n     * Empty implementation\n     */\n    NullViewportScroller.prototype.getScrollPosition = function () { return [0, 0]; };\n    /**\n     * Empty implementation\n     */\n    NullViewportScroller.prototype.scrollToPosition = function (position) { };\n    /**\n     * Empty implementation\n     */\n    NullViewportScroller.prototype.scrollToAnchor = function (anchor) { };\n    /**\n     * Empty implementation\n     */\n    NullViewportScroller.prototype.setHistoryScrollRestoration = function (scrollRestoration) { };\n    return NullViewportScroller;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// This file only reexports content of the `src` folder. Keep it that way.\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { APP_BASE_HREF, AsyncPipe, CommonModule, CurrencyPipe, DOCUMENT, DatePipe, DecimalPipe, FormStyle, FormatWidth, HashLocationStrategy, I18nPluralPipe, I18nSelectPipe, JsonPipe, KeyValuePipe, LOCATION_INITIALIZED, Location, LocationStrategy, LowerCasePipe, NgClass, NgComponentOutlet, NgForOf, NgForOfContext, NgIf, NgIfContext, NgLocaleLocalization, NgLocalization, NgPlural, NgPluralCase, NgStyle, NgSwitch, NgSwitchCase, NgSwitchDefault, NgTemplateOutlet, NumberFormatStyle, NumberSymbol, PathLocationStrategy, PercentPipe, PlatformLocation, Plural, SlicePipe, TitleCasePipe, TranslationWidth, UpperCasePipe, VERSION, ViewportScroller, WeekDay, formatCurrency, formatDate, formatNumber, formatPercent, getCurrencySymbol, getLocaleCurrencyCode, getLocaleCurrencyName, getLocaleCurrencySymbol, getLocaleDateFormat, getLocaleDateTimeFormat, getLocaleDayNames, getLocaleDayPeriods, getLocaleEraNames, getLocaleExtraDayPeriodRules, getLocaleExtraDayPeriods, getLocaleFirstDayOfWeek, getLocaleId, getLocaleMonthNames, getLocaleNumberFormat, getLocaleNumberSymbol, getLocalePluralCase, getLocaleTimeFormat, getLocaleWeekEndRange, getNumberOfCurrencyDigits, isPlatformBrowser, isPlatformServer, isPlatformWorkerApp, isPlatformWorkerUi, registerLocaleData, BrowserPlatformLocation as ɵBrowserPlatformLocation, DomAdapter as ɵDomAdapter, NullViewportScroller as ɵNullViewportScroller, PLATFORM_BROWSER_ID as ɵPLATFORM_BROWSER_ID, PLATFORM_SERVER_ID as ɵPLATFORM_SERVER_ID, PLATFORM_WORKER_APP_ID as ɵPLATFORM_WORKER_APP_ID, PLATFORM_WORKER_UI_ID as ɵPLATFORM_WORKER_UI_ID, useBrowserPlatformLocation as ɵangular_packages_common_common_a, createBrowserPlatformLocation as ɵangular_packages_common_common_b, createLocation as ɵangular_packages_common_common_c, provideLocationStrategy as ɵangular_packages_common_common_d, COMMON_DIRECTIVES as ɵangular_packages_common_common_e, COMMON_PIPES as ɵangular_packages_common_common_f, getDOM as ɵgetDOM, parseCookieValue as ɵparseCookieValue, setRootDomAdapter as ɵsetRootDomAdapter };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\n\nvar DataDimensionInfo =\n/** @class */\nfunction () {\n  /**\n   * @param opt All of the fields will be shallow copied.\n   */\n  function DataDimensionInfo(opt) {\n    /**\n     * The format of `otherDims` is:\n     * ```js\n     * {\n     *     tooltip: number optional,\n     *     label: number optional,\n     *     itemName: number optional,\n     *     seriesName: number optional,\n     * }\n     * ```\n     *\n     * A `series.encode` can specified these fields:\n     * ```js\n     * encode: {\n     *     // \"3, 1, 5\" is the index of data dimension.\n     *     tooltip: [3, 1, 5],\n     *     label: [0, 3],\n     *     ...\n     * }\n     * ```\n     * `otherDims` is the parse result of the `series.encode` above, like:\n     * ```js\n     * // Suppose the index of this data dimension is `3`.\n     * this.otherDims = {\n     *     // `3` is at the index `0` of the `encode.tooltip`\n     *     tooltip: 0,\n     *     // `3` is at the index `1` of the `encode.tooltip`\n     *     label: 1\n     * };\n     * ```\n     *\n     * This prop should never be `null`/`undefined` after initialized.\n     */\n    this.otherDims = {};\n\n    if (opt != null) {\n      zrUtil.extend(this, opt);\n    }\n  }\n\n  return DataDimensionInfo;\n}();\n\n;\nexport default DataDimensionInfo;","import { InjectionToken, inject, EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, ElementRef, NgZone, Optional, Inject, Input, ViewChild, Output, NgModule } from '@angular/core';\nimport { DOCUMENT, CommonModule } from '@angular/common';\nimport { mixinColor, MatCommonModule } from '@angular/material/core';\nimport { __extends } from 'tslib';\nimport { coerceNumberProperty } from '@angular/cdk/coercion';\nimport { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';\nimport { Subscription, fromEvent } from 'rxjs';\nimport { filter } from 'rxjs/operators';\n\n// Boilerplate for applying mixins to MatProgressBar.\n/** @docs-private */\nvar MatProgressBarBase = /** @class */ (function () {\n    function MatProgressBarBase(_elementRef) {\n        this._elementRef = _elementRef;\n    }\n    return MatProgressBarBase;\n}());\nvar _MatProgressBarMixinBase = mixinColor(MatProgressBarBase, 'primary');\n/**\n * Injection token used to provide the current location to `MatProgressBar`.\n * Used to handle server-side rendering and to stub out during unit tests.\n * @docs-private\n */\nvar MAT_PROGRESS_BAR_LOCATION = new InjectionToken('mat-progress-bar-location', { providedIn: 'root', factory: MAT_PROGRESS_BAR_LOCATION_FACTORY });\n/** @docs-private */\nfunction MAT_PROGRESS_BAR_LOCATION_FACTORY() {\n    var _document = inject(DOCUMENT);\n    var _location = _document ? _document.location : null;\n    return {\n        // Note that this needs to be a function, rather than a property, because Angular\n        // will only resolve it once, but we want the current path on each call.\n        getPathname: function () { return _location ? (_location.pathname + _location.search) : ''; }\n    };\n}\n/** Counter used to generate unique IDs for progress bars. */\nvar progressbarId = 0;\n/**\n * `<mat-progress-bar>` component.\n */\nvar MatProgressBar = /** @class */ (function (_super) {\n    __extends(MatProgressBar, _super);\n    function MatProgressBar(_elementRef, _ngZone, _animationMode, \n    /**\n     * @deprecated `location` parameter to be made required.\n     * @breaking-change 8.0.0\n     */\n    location) {\n        var _this = _super.call(this, _elementRef) || this;\n        _this._elementRef = _elementRef;\n        _this._ngZone = _ngZone;\n        _this._animationMode = _animationMode;\n        /** Flag that indicates whether NoopAnimations mode is set to true. */\n        _this._isNoopAnimation = false;\n        _this._value = 0;\n        _this._bufferValue = 0;\n        /**\n         * Event emitted when animation of the primary progress bar completes. This event will not\n         * be emitted when animations are disabled, nor will it be emitted for modes with continuous\n         * animations (indeterminate and query).\n         */\n        _this.animationEnd = new EventEmitter();\n        /** Reference to animation end subscription to be unsubscribed on destroy. */\n        _this._animationEndSubscription = Subscription.EMPTY;\n        /**\n         * Mode of the progress bar.\n         *\n         * Input must be one of these values: determinate, indeterminate, buffer, query, defaults to\n         * 'determinate'.\n         * Mirrored to mode attribute.\n         */\n        _this.mode = 'determinate';\n        /** ID of the progress bar. */\n        _this.progressbarId = \"mat-progress-bar-\" + progressbarId++;\n        // We need to prefix the SVG reference with the current path, otherwise they won't work\n        // in Safari if the page has a `<base>` tag. Note that we need quotes inside the `url()`,\n        // because named route URLs can contain parentheses (see #12338). Also we don't use since\n        // we can't tell the difference between whether\n        // the consumer is using the hash location strategy or not, because `Location` normalizes\n        // both `/#/foo/bar` and `/foo/bar` to the same thing.\n        var path = location ? location.getPathname().split('#')[0] : '';\n        _this._rectangleFillValue = \"url('\" + path + \"#\" + _this.progressbarId + \"')\";\n        _this._isNoopAnimation = _animationMode === 'NoopAnimations';\n        return _this;\n    }\n    Object.defineProperty(MatProgressBar.prototype, \"value\", {\n        /** Value of the progress bar. Defaults to zero. Mirrored to aria-valuenow. */\n        get: function () { return this._value; },\n        set: function (v) {\n            this._value = clamp(coerceNumberProperty(v) || 0);\n            // When noop animation is set to true, trigger animationEnd directly.\n            if (this._isNoopAnimation) {\n                this._emitAnimationEnd();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatProgressBar.prototype, \"bufferValue\", {\n        /** Buffer value of the progress bar. Defaults to zero. */\n        get: function () { return this._bufferValue; },\n        set: function (v) { this._bufferValue = clamp(v || 0); },\n        enumerable: true,\n        configurable: true\n    });\n    /** Gets the current transform value for the progress bar's primary indicator. */\n    MatProgressBar.prototype._primaryTransform = function () {\n        var scale = this.value / 100;\n        return { transform: \"scaleX(\" + scale + \")\" };\n    };\n    /**\n     * Gets the current transform value for the progress bar's buffer indicator. Only used if the\n     * progress mode is set to buffer, otherwise returns an undefined, causing no transformation.\n     */\n    MatProgressBar.prototype._bufferTransform = function () {\n        if (this.mode === 'buffer') {\n            var scale = this.bufferValue / 100;\n            return { transform: \"scaleX(\" + scale + \")\" };\n        }\n        return null;\n    };\n    MatProgressBar.prototype.ngAfterViewInit = function () {\n        var _this = this;\n        if (!this._isNoopAnimation) {\n            // Run outside angular so change detection didn't get triggered on every transition end\n            // instead only on the animation that we care about (primary value bar's transitionend)\n            this._ngZone.runOutsideAngular((function () {\n                var element = _this._primaryValueBar.nativeElement;\n                _this._animationEndSubscription =\n                    fromEvent(element, 'transitionend')\n                        .pipe(filter((function (e) { return e.target === element; })))\n                        .subscribe(function () { return _this._ngZone.run(function () { return _this._emitAnimationEnd(); }); });\n            }));\n        }\n    };\n    MatProgressBar.prototype.ngOnDestroy = function () {\n        this._animationEndSubscription.unsubscribe();\n    };\n    /** Emit an animationEnd event if in determinate or buffer mode. */\n    MatProgressBar.prototype._emitAnimationEnd = function () {\n        if (this.mode === 'determinate' || this.mode === 'buffer') {\n            this.animationEnd.next({ value: this.value });\n        }\n    };\n    MatProgressBar.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-progress-bar',\n                    exportAs: 'matProgressBar',\n                    host: {\n                        'role': 'progressbar',\n                        'aria-valuemin': '0',\n                        'aria-valuemax': '100',\n                        '[attr.aria-valuenow]': '(mode === \"indeterminate\" || mode === \"query\") ? null : value',\n                        '[attr.mode]': 'mode',\n                        'class': 'mat-progress-bar',\n                        '[class._mat-animation-noopable]': '_isNoopAnimation',\n                    },\n                    inputs: ['color'],\n                    template: \"<!--\\n  The background div is named as such because it appears below the other divs and is not sized based\\n  on values.\\n-->\\n<svg width=\\\"100%\\\" height=\\\"4\\\" focusable=\\\"false\\\" class=\\\"mat-progress-bar-background mat-progress-bar-element\\\">\\n  <defs>\\n    <pattern [id]=\\\"progressbarId\\\" x=\\\"4\\\" y=\\\"0\\\" width=\\\"8\\\" height=\\\"4\\\" patternUnits=\\\"userSpaceOnUse\\\">\\n      <circle cx=\\\"2\\\" cy=\\\"2\\\" r=\\\"2\\\"/>\\n    </pattern>\\n  </defs>\\n  <rect [attr.fill]=\\\"_rectangleFillValue\\\" width=\\\"100%\\\" height=\\\"100%\\\"/>\\n</svg>\\n<div class=\\\"mat-progress-bar-buffer mat-progress-bar-element\\\" [ngStyle]=\\\"_bufferTransform()\\\"></div>\\n<div class=\\\"mat-progress-bar-primary mat-progress-bar-fill mat-progress-bar-element\\\" [ngStyle]=\\\"_primaryTransform()\\\" #primaryValueBar></div>\\n<div class=\\\"mat-progress-bar-secondary mat-progress-bar-fill mat-progress-bar-element\\\"></div>\\n\",\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    encapsulation: ViewEncapsulation.None,\n                    styles: [\".mat-progress-bar{display:block;height:4px;overflow:hidden;position:relative;transition:opacity 250ms linear;width:100%}._mat-animation-noopable.mat-progress-bar{transition:none;animation:none}.mat-progress-bar .mat-progress-bar-element,.mat-progress-bar .mat-progress-bar-fill::after{height:100%;position:absolute;width:100%}.mat-progress-bar .mat-progress-bar-background{width:calc(100% + 10px)}.cdk-high-contrast-active .mat-progress-bar .mat-progress-bar-background{display:none}.mat-progress-bar .mat-progress-bar-buffer{transform-origin:top left;transition:transform 250ms ease}.cdk-high-contrast-active .mat-progress-bar .mat-progress-bar-buffer{border-top:solid 5px;opacity:.5}.mat-progress-bar .mat-progress-bar-secondary{display:none}.mat-progress-bar .mat-progress-bar-fill{animation:none;transform-origin:top left;transition:transform 250ms ease}.cdk-high-contrast-active .mat-progress-bar .mat-progress-bar-fill{border-top:solid 4px}.mat-progress-bar .mat-progress-bar-fill::after{animation:none;content:\\\"\\\";display:inline-block;left:0}.mat-progress-bar[dir=rtl],[dir=rtl] .mat-progress-bar{transform:rotateY(180deg)}.mat-progress-bar[mode=query]{transform:rotateZ(180deg)}.mat-progress-bar[mode=query][dir=rtl],[dir=rtl] .mat-progress-bar[mode=query]{transform:rotateZ(180deg) rotateY(180deg)}.mat-progress-bar[mode=indeterminate] .mat-progress-bar-fill,.mat-progress-bar[mode=query] .mat-progress-bar-fill{transition:none}.mat-progress-bar[mode=indeterminate] .mat-progress-bar-primary,.mat-progress-bar[mode=query] .mat-progress-bar-primary{-webkit-backface-visibility:hidden;backface-visibility:hidden;animation:mat-progress-bar-primary-indeterminate-translate 2000ms infinite linear;left:-145.166611%}.mat-progress-bar[mode=indeterminate] .mat-progress-bar-primary.mat-progress-bar-fill::after,.mat-progress-bar[mode=query] .mat-progress-bar-primary.mat-progress-bar-fill::after{-webkit-backface-visibility:hidden;backface-visibility:hidden;animation:mat-progress-bar-primary-indeterminate-scale 2000ms infinite linear}.mat-progress-bar[mode=indeterminate] .mat-progress-bar-secondary,.mat-progress-bar[mode=query] .mat-progress-bar-secondary{-webkit-backface-visibility:hidden;backface-visibility:hidden;animation:mat-progress-bar-secondary-indeterminate-translate 2000ms infinite linear;left:-54.888891%;display:block}.mat-progress-bar[mode=indeterminate] .mat-progress-bar-secondary.mat-progress-bar-fill::after,.mat-progress-bar[mode=query] .mat-progress-bar-secondary.mat-progress-bar-fill::after{-webkit-backface-visibility:hidden;backface-visibility:hidden;animation:mat-progress-bar-secondary-indeterminate-scale 2000ms infinite linear}.mat-progress-bar[mode=buffer] .mat-progress-bar-background{-webkit-backface-visibility:hidden;backface-visibility:hidden;animation:mat-progress-bar-background-scroll 250ms infinite linear;display:block}.mat-progress-bar._mat-animation-noopable .mat-progress-bar-fill,.mat-progress-bar._mat-animation-noopable .mat-progress-bar-fill::after,.mat-progress-bar._mat-animation-noopable .mat-progress-bar-buffer,.mat-progress-bar._mat-animation-noopable .mat-progress-bar-primary,.mat-progress-bar._mat-animation-noopable .mat-progress-bar-primary.mat-progress-bar-fill::after,.mat-progress-bar._mat-animation-noopable .mat-progress-bar-secondary,.mat-progress-bar._mat-animation-noopable .mat-progress-bar-secondary.mat-progress-bar-fill::after,.mat-progress-bar._mat-animation-noopable .mat-progress-bar-background{animation:none;transition:none}@keyframes mat-progress-bar-primary-indeterminate-translate{0%{transform:translateX(0)}20%{animation-timing-function:cubic-bezier(0.5, 0, 0.701732, 0.495819);transform:translateX(0)}59.15%{animation-timing-function:cubic-bezier(0.302435, 0.381352, 0.55, 0.956352);transform:translateX(83.67142%)}100%{transform:translateX(200.611057%)}}@keyframes mat-progress-bar-primary-indeterminate-scale{0%{transform:scaleX(0.08)}36.65%{animation-timing-function:cubic-bezier(0.334731, 0.12482, 0.785844, 1);transform:scaleX(0.08)}69.15%{animation-timing-function:cubic-bezier(0.06, 0.11, 0.6, 1);transform:scaleX(0.661479)}100%{transform:scaleX(0.08)}}@keyframes mat-progress-bar-secondary-indeterminate-translate{0%{animation-timing-function:cubic-bezier(0.15, 0, 0.515058, 0.409685);transform:translateX(0)}25%{animation-timing-function:cubic-bezier(0.31033, 0.284058, 0.8, 0.733712);transform:translateX(37.651913%)}48.35%{animation-timing-function:cubic-bezier(0.4, 0.627035, 0.6, 0.902026);transform:translateX(84.386165%)}100%{transform:translateX(160.277782%)}}@keyframes mat-progress-bar-secondary-indeterminate-scale{0%{animation-timing-function:cubic-bezier(0.15, 0, 0.515058, 0.409685);transform:scaleX(0.08)}19.15%{animation-timing-function:cubic-bezier(0.31033, 0.284058, 0.8, 0.733712);transform:scaleX(0.457104)}44.15%{animation-timing-function:cubic-bezier(0.4, 0.627035, 0.6, 0.902026);transform:scaleX(0.72796)}100%{transform:scaleX(0.08)}}@keyframes mat-progress-bar-background-scroll{to{transform:translateX(-8px)}}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatProgressBar.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: NgZone },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_PROGRESS_BAR_LOCATION,] }] }\n    ]; };\n    MatProgressBar.propDecorators = {\n        value: [{ type: Input }],\n        bufferValue: [{ type: Input }],\n        _primaryValueBar: [{ type: ViewChild, args: ['primaryValueBar',] }],\n        animationEnd: [{ type: Output }],\n        mode: [{ type: Input }]\n    };\n    return MatProgressBar;\n}(_MatProgressBarMixinBase));\n/** Clamps a value to be between two numbers, by default 0 and 100. */\nfunction clamp(v, min, max) {\n    if (min === void 0) { min = 0; }\n    if (max === void 0) { max = 100; }\n    return Math.max(min, Math.min(max, v));\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatProgressBarModule = /** @class */ (function () {\n    function MatProgressBarModule() {\n    }\n    MatProgressBarModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [CommonModule, MatCommonModule],\n                    exports: [MatProgressBar, MatCommonModule],\n                    declarations: [MatProgressBar],\n                },] }\n    ];\n    return MatProgressBarModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MAT_PROGRESS_BAR_LOCATION, MAT_PROGRESS_BAR_LOCATION_FACTORY, MatProgressBar, MatProgressBarModule };\n","var globals = {};\n\n// Stash old global.\nif (\"d3\" in global) globals.d3 = global.d3;\n\nmodule.exports = require(\"./d3\");\n\n// Restore old global.\nif (\"d3\" in globals) global.d3 = globals.d3; else delete global.d3;\n","import { Observable } from '../Observable';\nimport { Subject } from '../Subject';\nimport { multicast } from './multicast';\nimport { ConnectableObservable } from '../observable/ConnectableObservable';\nimport { MonoTypeOperatorFunction, OperatorFunction, UnaryFunction, ObservableInput, ObservedValueOf } from '../types';\n\n/* tslint:disable:max-line-length */\nexport function publish<T>(): UnaryFunction<Observable<T>, ConnectableObservable<T>>;\nexport function publish<T, O extends ObservableInput<any>>(selector: (shared: Observable<T>) => O): OperatorFunction<T, ObservedValueOf<O>>;\nexport function publish<T>(selector: MonoTypeOperatorFunction<T>): MonoTypeOperatorFunction<T>;\n/* tslint:enable:max-line-length */\n\n/**\n * Returns a ConnectableObservable, which is a variety of Observable that waits until its connect method is called\n * before it begins emitting items to those Observers that have subscribed to it.\n *\n * <span class=\"informal\">Makes a cold Observable hot</span>\n *\n * ![](publish.png)\n *\n * ## Examples\n * Make source$ hot by applying publish operator, then merge each inner observable into a single one\n * and subscribe.\n * ```ts\n * import { of, zip, interval, merge } from \"rxjs\";\n * import { map, publish, tap } from \"rxjs/operators\";\n *\n * const source$ = zip(interval(2000), of(1, 2, 3, 4, 5, 6, 7, 8, 9)).pipe(\n *   map(values => values[1])\n * );\n *\n * source$\n *   .pipe(\n *     publish(multicasted$ =>\n *       merge(\n *         multicasted$.pipe(tap(x => console.log('Stream 1:', x))),\n *         multicasted$.pipe(tap(x => console.log('Stream 2:', x))),\n *         multicasted$.pipe(tap(x => console.log('Stream 3:', x))),\n *       )\n *     )\n *   )\n *   .subscribe();\n *\n * // Results every two seconds\n * // Stream 1: 1\n * // Stream 2: 1\n * // Stream 3: 1\n * // ...\n * // Stream 1: 9\n * // Stream 2: 9\n * // Stream 3: 9\n * ```\n *\n * @param {Function} [selector] - Optional selector function which can use the multicasted source sequence as many times\n * as needed, without causing multiple subscriptions to the source sequence.\n * Subscribers to the given source will receive all notifications of the source from the time of the subscription on.\n * @return A ConnectableObservable that upon connection causes the source Observable to emit items to its Observers.\n * @method publish\n * @owner Observable\n *\n *\n */\nexport function publish<T, R>(selector?: OperatorFunction<T, R>): MonoTypeOperatorFunction<T> | OperatorFunction<T, R> {\n  return selector ?\n    multicast(() => new Subject<T>(), selector) :\n    multicast(new Subject<T>());\n}\n","import Group from '../graphic/Group';\nimport ZRImage from '../graphic/Image';\nimport Circle from '../graphic/shape/Circle';\nimport Rect from '../graphic/shape/Rect';\nimport Ellipse from '../graphic/shape/Ellipse';\nimport Line from '../graphic/shape/Line';\nimport Polygon from '../graphic/shape/Polygon';\nimport Polyline from '../graphic/shape/Polyline';\nimport * as matrix from '../core/matrix';\nimport { createFromString } from './path';\nimport { defaults, trim, each, map, keys, hasOwn } from '../core/util';\nimport LinearGradient from '../graphic/LinearGradient';\nimport RadialGradient from '../graphic/RadialGradient';\nimport TSpan from '../graphic/TSpan';\nimport { parseXML } from './parseXML';\n;\nvar nodeParsers;\nvar INHERITABLE_STYLE_ATTRIBUTES_MAP = {\n    'fill': 'fill',\n    'stroke': 'stroke',\n    'stroke-width': 'lineWidth',\n    'opacity': 'opacity',\n    'fill-opacity': 'fillOpacity',\n    'stroke-opacity': 'strokeOpacity',\n    'stroke-dasharray': 'lineDash',\n    'stroke-dashoffset': 'lineDashOffset',\n    'stroke-linecap': 'lineCap',\n    'stroke-linejoin': 'lineJoin',\n    'stroke-miterlimit': 'miterLimit',\n    'font-family': 'fontFamily',\n    'font-size': 'fontSize',\n    'font-style': 'fontStyle',\n    'font-weight': 'fontWeight',\n    'text-anchor': 'textAlign',\n    'visibility': 'visibility',\n    'display': 'display'\n};\nvar INHERITABLE_STYLE_ATTRIBUTES_MAP_KEYS = keys(INHERITABLE_STYLE_ATTRIBUTES_MAP);\nvar SELF_STYLE_ATTRIBUTES_MAP = {\n    'alignment-baseline': 'textBaseline',\n    'stop-color': 'stopColor'\n};\nvar SELF_STYLE_ATTRIBUTES_MAP_KEYS = keys(SELF_STYLE_ATTRIBUTES_MAP);\nvar SVGParser = (function () {\n    function SVGParser() {\n        this._defs = {};\n        this._root = null;\n    }\n    SVGParser.prototype.parse = function (xml, opt) {\n        opt = opt || {};\n        var svg = parseXML(xml);\n        if (!svg) {\n            throw new Error('Illegal svg');\n        }\n        this._defsUsePending = [];\n        var root = new Group();\n        this._root = root;\n        var named = [];\n        var viewBox = svg.getAttribute('viewBox') || '';\n        var width = parseFloat((svg.getAttribute('width') || opt.width));\n        var height = parseFloat((svg.getAttribute('height') || opt.height));\n        isNaN(width) && (width = null);\n        isNaN(height) && (height = null);\n        parseAttributes(svg, root, null, true, false);\n        var child = svg.firstChild;\n        while (child) {\n            this._parseNode(child, root, named, null, false, false);\n            child = child.nextSibling;\n        }\n        applyDefs(this._defs, this._defsUsePending);\n        this._defsUsePending = [];\n        var viewBoxRect;\n        var viewBoxTransform;\n        if (viewBox) {\n            var viewBoxArr = splitNumberSequence(viewBox);\n            if (viewBoxArr.length >= 4) {\n                viewBoxRect = {\n                    x: parseFloat((viewBoxArr[0] || 0)),\n                    y: parseFloat((viewBoxArr[1] || 0)),\n                    width: parseFloat(viewBoxArr[2]),\n                    height: parseFloat(viewBoxArr[3])\n                };\n            }\n        }\n        if (viewBoxRect && width != null && height != null) {\n            viewBoxTransform = makeViewBoxTransform(viewBoxRect, { x: 0, y: 0, width: width, height: height });\n            if (!opt.ignoreViewBox) {\n                var elRoot = root;\n                root = new Group();\n                root.add(elRoot);\n                elRoot.scaleX = elRoot.scaleY = viewBoxTransform.scale;\n                elRoot.x = viewBoxTransform.x;\n                elRoot.y = viewBoxTransform.y;\n            }\n        }\n        if (!opt.ignoreRootClip && width != null && height != null) {\n            root.setClipPath(new Rect({\n                shape: { x: 0, y: 0, width: width, height: height }\n            }));\n        }\n        return {\n            root: root,\n            width: width,\n            height: height,\n            viewBoxRect: viewBoxRect,\n            viewBoxTransform: viewBoxTransform,\n            named: named\n        };\n    };\n    SVGParser.prototype._parseNode = function (xmlNode, parentGroup, named, namedFrom, isInDefs, isInText) {\n        var nodeName = xmlNode.nodeName.toLowerCase();\n        var el;\n        var namedFromForSub = namedFrom;\n        if (nodeName === 'defs') {\n            isInDefs = true;\n        }\n        if (nodeName === 'text') {\n            isInText = true;\n        }\n        if (nodeName === 'defs' || nodeName === 'switch') {\n            el = parentGroup;\n        }\n        else {\n            if (!isInDefs) {\n                var parser_1 = nodeParsers[nodeName];\n                if (parser_1 && hasOwn(nodeParsers, nodeName)) {\n                    el = parser_1.call(this, xmlNode, parentGroup);\n                    var nameAttr = xmlNode.getAttribute('name');\n                    if (nameAttr) {\n                        var newNamed = {\n                            name: nameAttr,\n                            namedFrom: null,\n                            svgNodeTagLower: nodeName,\n                            el: el\n                        };\n                        named.push(newNamed);\n                        if (nodeName === 'g') {\n                            namedFromForSub = newNamed;\n                        }\n                    }\n                    else if (namedFrom) {\n                        named.push({\n                            name: namedFrom.name,\n                            namedFrom: namedFrom,\n                            svgNodeTagLower: nodeName,\n                            el: el\n                        });\n                    }\n                    parentGroup.add(el);\n                }\n            }\n            var parser = paintServerParsers[nodeName];\n            if (parser && hasOwn(paintServerParsers, nodeName)) {\n                var def = parser.call(this, xmlNode);\n                var id = xmlNode.getAttribute('id');\n                if (id) {\n                    this._defs[id] = def;\n                }\n            }\n        }\n        if (el && el.isGroup) {\n            var child = xmlNode.firstChild;\n            while (child) {\n                if (child.nodeType === 1) {\n                    this._parseNode(child, el, named, namedFromForSub, isInDefs, isInText);\n                }\n                else if (child.nodeType === 3 && isInText) {\n                    this._parseText(child, el);\n                }\n                child = child.nextSibling;\n            }\n        }\n    };\n    SVGParser.prototype._parseText = function (xmlNode, parentGroup) {\n        var text = new TSpan({\n            style: {\n                text: xmlNode.textContent\n            },\n            silent: true,\n            x: this._textX || 0,\n            y: this._textY || 0\n        });\n        inheritStyle(parentGroup, text);\n        parseAttributes(xmlNode, text, this._defsUsePending, false, false);\n        applyTextAlignment(text, parentGroup);\n        var textStyle = text.style;\n        var fontSize = textStyle.fontSize;\n        if (fontSize && fontSize < 9) {\n            textStyle.fontSize = 9;\n            text.scaleX *= fontSize / 9;\n            text.scaleY *= fontSize / 9;\n        }\n        var font = (textStyle.fontSize || textStyle.fontFamily) && [\n            textStyle.fontStyle,\n            textStyle.fontWeight,\n            (textStyle.fontSize || 12) + 'px',\n            textStyle.fontFamily || 'sans-serif'\n        ].join(' ');\n        textStyle.font = font;\n        var rect = text.getBoundingRect();\n        this._textX += rect.width;\n        parentGroup.add(text);\n        return text;\n    };\n    SVGParser.internalField = (function () {\n        nodeParsers = {\n            'g': function (xmlNode, parentGroup) {\n                var g = new Group();\n                inheritStyle(parentGroup, g);\n                parseAttributes(xmlNode, g, this._defsUsePending, false, false);\n                return g;\n            },\n            'rect': function (xmlNode, parentGroup) {\n                var rect = new Rect();\n                inheritStyle(parentGroup, rect);\n                parseAttributes(xmlNode, rect, this._defsUsePending, false, false);\n                rect.setShape({\n                    x: parseFloat(xmlNode.getAttribute('x') || '0'),\n                    y: parseFloat(xmlNode.getAttribute('y') || '0'),\n                    width: parseFloat(xmlNode.getAttribute('width') || '0'),\n                    height: parseFloat(xmlNode.getAttribute('height') || '0')\n                });\n                rect.silent = true;\n                return rect;\n            },\n            'circle': function (xmlNode, parentGroup) {\n                var circle = new Circle();\n                inheritStyle(parentGroup, circle);\n                parseAttributes(xmlNode, circle, this._defsUsePending, false, false);\n                circle.setShape({\n                    cx: parseFloat(xmlNode.getAttribute('cx') || '0'),\n                    cy: parseFloat(xmlNode.getAttribute('cy') || '0'),\n                    r: parseFloat(xmlNode.getAttribute('r') || '0')\n                });\n                circle.silent = true;\n                return circle;\n            },\n            'line': function (xmlNode, parentGroup) {\n                var line = new Line();\n                inheritStyle(parentGroup, line);\n                parseAttributes(xmlNode, line, this._defsUsePending, false, false);\n                line.setShape({\n                    x1: parseFloat(xmlNode.getAttribute('x1') || '0'),\n                    y1: parseFloat(xmlNode.getAttribute('y1') || '0'),\n                    x2: parseFloat(xmlNode.getAttribute('x2') || '0'),\n                    y2: parseFloat(xmlNode.getAttribute('y2') || '0')\n                });\n                line.silent = true;\n                return line;\n            },\n            'ellipse': function (xmlNode, parentGroup) {\n                var ellipse = new Ellipse();\n                inheritStyle(parentGroup, ellipse);\n                parseAttributes(xmlNode, ellipse, this._defsUsePending, false, false);\n                ellipse.setShape({\n                    cx: parseFloat(xmlNode.getAttribute('cx') || '0'),\n                    cy: parseFloat(xmlNode.getAttribute('cy') || '0'),\n                    rx: parseFloat(xmlNode.getAttribute('rx') || '0'),\n                    ry: parseFloat(xmlNode.getAttribute('ry') || '0')\n                });\n                ellipse.silent = true;\n                return ellipse;\n            },\n            'polygon': function (xmlNode, parentGroup) {\n                var pointsStr = xmlNode.getAttribute('points');\n                var pointsArr;\n                if (pointsStr) {\n                    pointsArr = parsePoints(pointsStr);\n                }\n                var polygon = new Polygon({\n                    shape: {\n                        points: pointsArr || []\n                    },\n                    silent: true\n                });\n                inheritStyle(parentGroup, polygon);\n                parseAttributes(xmlNode, polygon, this._defsUsePending, false, false);\n                return polygon;\n            },\n            'polyline': function (xmlNode, parentGroup) {\n                var pointsStr = xmlNode.getAttribute('points');\n                var pointsArr;\n                if (pointsStr) {\n                    pointsArr = parsePoints(pointsStr);\n                }\n                var polyline = new Polyline({\n                    shape: {\n                        points: pointsArr || []\n                    },\n                    silent: true\n                });\n                inheritStyle(parentGroup, polyline);\n                parseAttributes(xmlNode, polyline, this._defsUsePending, false, false);\n                return polyline;\n            },\n            'image': function (xmlNode, parentGroup) {\n                var img = new ZRImage();\n                inheritStyle(parentGroup, img);\n                parseAttributes(xmlNode, img, this._defsUsePending, false, false);\n                img.setStyle({\n                    image: xmlNode.getAttribute('xlink:href'),\n                    x: +xmlNode.getAttribute('x'),\n                    y: +xmlNode.getAttribute('y'),\n                    width: +xmlNode.getAttribute('width'),\n                    height: +xmlNode.getAttribute('height')\n                });\n                img.silent = true;\n                return img;\n            },\n            'text': function (xmlNode, parentGroup) {\n                var x = xmlNode.getAttribute('x') || '0';\n                var y = xmlNode.getAttribute('y') || '0';\n                var dx = xmlNode.getAttribute('dx') || '0';\n                var dy = xmlNode.getAttribute('dy') || '0';\n                this._textX = parseFloat(x) + parseFloat(dx);\n                this._textY = parseFloat(y) + parseFloat(dy);\n                var g = new Group();\n                inheritStyle(parentGroup, g);\n                parseAttributes(xmlNode, g, this._defsUsePending, false, true);\n                return g;\n            },\n            'tspan': function (xmlNode, parentGroup) {\n                var x = xmlNode.getAttribute('x');\n                var y = xmlNode.getAttribute('y');\n                if (x != null) {\n                    this._textX = parseFloat(x);\n                }\n                if (y != null) {\n                    this._textY = parseFloat(y);\n                }\n                var dx = xmlNode.getAttribute('dx') || '0';\n                var dy = xmlNode.getAttribute('dy') || '0';\n                var g = new Group();\n                inheritStyle(parentGroup, g);\n                parseAttributes(xmlNode, g, this._defsUsePending, false, true);\n                this._textX += parseFloat(dx);\n                this._textY += parseFloat(dy);\n                return g;\n            },\n            'path': function (xmlNode, parentGroup) {\n                var d = xmlNode.getAttribute('d') || '';\n                var path = createFromString(d);\n                inheritStyle(parentGroup, path);\n                parseAttributes(xmlNode, path, this._defsUsePending, false, false);\n                path.silent = true;\n                return path;\n            }\n        };\n    })();\n    return SVGParser;\n}());\nvar paintServerParsers = {\n    'lineargradient': function (xmlNode) {\n        var x1 = parseInt(xmlNode.getAttribute('x1') || '0', 10);\n        var y1 = parseInt(xmlNode.getAttribute('y1') || '0', 10);\n        var x2 = parseInt(xmlNode.getAttribute('x2') || '10', 10);\n        var y2 = parseInt(xmlNode.getAttribute('y2') || '0', 10);\n        var gradient = new LinearGradient(x1, y1, x2, y2);\n        parsePaintServerUnit(xmlNode, gradient);\n        parseGradientColorStops(xmlNode, gradient);\n        return gradient;\n    },\n    'radialgradient': function (xmlNode) {\n        var cx = parseInt(xmlNode.getAttribute('cx') || '0', 10);\n        var cy = parseInt(xmlNode.getAttribute('cy') || '0', 10);\n        var r = parseInt(xmlNode.getAttribute('r') || '0', 10);\n        var gradient = new RadialGradient(cx, cy, r);\n        parsePaintServerUnit(xmlNode, gradient);\n        parseGradientColorStops(xmlNode, gradient);\n        return gradient;\n    }\n};\nfunction parsePaintServerUnit(xmlNode, gradient) {\n    var gradientUnits = xmlNode.getAttribute('gradientUnits');\n    if (gradientUnits === 'userSpaceOnUse') {\n        gradient.global = true;\n    }\n}\nfunction parseGradientColorStops(xmlNode, gradient) {\n    var stop = xmlNode.firstChild;\n    while (stop) {\n        if (stop.nodeType === 1\n            && stop.nodeName.toLocaleLowerCase() === 'stop') {\n            var offsetStr = stop.getAttribute('offset');\n            var offset = void 0;\n            if (offsetStr && offsetStr.indexOf('%') > 0) {\n                offset = parseInt(offsetStr, 10) / 100;\n            }\n            else if (offsetStr) {\n                offset = parseFloat(offsetStr);\n            }\n            else {\n                offset = 0;\n            }\n            var styleVals = {};\n            parseInlineStyle(stop, styleVals, styleVals);\n            var stopColor = styleVals.stopColor\n                || stop.getAttribute('stop-color')\n                || '#000000';\n            gradient.colorStops.push({\n                offset: offset,\n                color: stopColor\n            });\n        }\n        stop = stop.nextSibling;\n    }\n}\nfunction inheritStyle(parent, child) {\n    if (parent && parent.__inheritedStyle) {\n        if (!child.__inheritedStyle) {\n            child.__inheritedStyle = {};\n        }\n        defaults(child.__inheritedStyle, parent.__inheritedStyle);\n    }\n}\nfunction parsePoints(pointsString) {\n    var list = splitNumberSequence(pointsString);\n    var points = [];\n    for (var i = 0; i < list.length; i += 2) {\n        var x = parseFloat(list[i]);\n        var y = parseFloat(list[i + 1]);\n        points.push([x, y]);\n    }\n    return points;\n}\nfunction parseAttributes(xmlNode, el, defsUsePending, onlyInlineStyle, isTextGroup) {\n    var disp = el;\n    var inheritedStyle = disp.__inheritedStyle = disp.__inheritedStyle || {};\n    var selfStyle = {};\n    if (xmlNode.nodeType === 1) {\n        parseTransformAttribute(xmlNode, el);\n        parseInlineStyle(xmlNode, inheritedStyle, selfStyle);\n        if (!onlyInlineStyle) {\n            parseAttributeStyle(xmlNode, inheritedStyle, selfStyle);\n        }\n    }\n    disp.style = disp.style || {};\n    if (inheritedStyle.fill != null) {\n        disp.style.fill = getFillStrokeStyle(disp, 'fill', inheritedStyle.fill, defsUsePending);\n    }\n    if (inheritedStyle.stroke != null) {\n        disp.style.stroke = getFillStrokeStyle(disp, 'stroke', inheritedStyle.stroke, defsUsePending);\n    }\n    each([\n        'lineWidth', 'opacity', 'fillOpacity', 'strokeOpacity', 'miterLimit', 'fontSize'\n    ], function (propName) {\n        if (inheritedStyle[propName] != null) {\n            disp.style[propName] = parseFloat(inheritedStyle[propName]);\n        }\n    });\n    each([\n        'lineDashOffset', 'lineCap', 'lineJoin', 'fontWeight', 'fontFamily', 'fontStyle', 'textAlign'\n    ], function (propName) {\n        if (inheritedStyle[propName] != null) {\n            disp.style[propName] = inheritedStyle[propName];\n        }\n    });\n    if (isTextGroup) {\n        disp.__selfStyle = selfStyle;\n    }\n    if (inheritedStyle.lineDash) {\n        disp.style.lineDash = map(splitNumberSequence(inheritedStyle.lineDash), function (str) {\n            return parseFloat(str);\n        });\n    }\n    if (inheritedStyle.visibility === 'hidden' || inheritedStyle.visibility === 'collapse') {\n        disp.invisible = true;\n    }\n    if (inheritedStyle.display === 'none') {\n        disp.ignore = true;\n    }\n    disp.z = -10000;\n    disp.z2 = -1000;\n}\nfunction applyTextAlignment(text, parentGroup) {\n    var parentSelfStyle = parentGroup.__selfStyle;\n    if (parentSelfStyle) {\n        var textBaseline = parentSelfStyle.textBaseline;\n        var zrTextBaseline = textBaseline;\n        if (!textBaseline || textBaseline === 'auto') {\n            zrTextBaseline = 'alphabetic';\n        }\n        else if (textBaseline === 'baseline') {\n            zrTextBaseline = 'alphabetic';\n        }\n        else if (textBaseline === 'before-edge' || textBaseline === 'text-before-edge') {\n            zrTextBaseline = 'top';\n        }\n        else if (textBaseline === 'after-edge' || textBaseline === 'text-after-edge') {\n            zrTextBaseline = 'bottom';\n        }\n        else if (textBaseline === 'central' || textBaseline === 'mathematical') {\n            zrTextBaseline = 'middle';\n        }\n        text.style.textBaseline = zrTextBaseline;\n    }\n    var parentInheritedStyle = parentGroup.__inheritedStyle;\n    if (parentInheritedStyle) {\n        var textAlign = parentInheritedStyle.textAlign;\n        var zrTextAlign = textAlign;\n        if (textAlign) {\n            if (textAlign === 'middle') {\n                zrTextAlign = 'center';\n            }\n            text.style.textAlign = zrTextAlign;\n        }\n    }\n}\nvar urlRegex = /^url\\(\\s*#(.*?)\\)/;\nfunction getFillStrokeStyle(el, method, str, defsUsePending) {\n    var urlMatch = str && str.match(urlRegex);\n    if (urlMatch) {\n        var url = trim(urlMatch[1]);\n        defsUsePending.push([el, method, url]);\n        return;\n    }\n    if (str === 'none') {\n        str = null;\n    }\n    return str;\n}\nfunction applyDefs(defs, defsUsePending) {\n    for (var i = 0; i < defsUsePending.length; i++) {\n        var item = defsUsePending[i];\n        item[0].style[item[1]] = defs[item[2]];\n    }\n}\nvar numberReg = /-?([0-9]*\\.)?[0-9]+([eE]-?[0-9]+)?/g;\nfunction splitNumberSequence(rawStr) {\n    return rawStr.match(numberReg) || [];\n}\nvar transformRegex = /(translate|scale|rotate|skewX|skewY|matrix)\\(([\\-\\s0-9\\.eE,]*)\\)/g;\nfunction parseTransformAttribute(xmlNode, node) {\n    var transform = xmlNode.getAttribute('transform');\n    if (transform) {\n        transform = transform.replace(/,/g, ' ');\n        var transformOps_1 = [];\n        var mt = null;\n        transform.replace(transformRegex, function (str, type, value) {\n            transformOps_1.push(type, value);\n            return '';\n        });\n        for (var i = transformOps_1.length - 1; i > 0; i -= 2) {\n            var value = transformOps_1[i];\n            var type = transformOps_1[i - 1];\n            var valueArr = void 0;\n            mt = mt || matrix.create();\n            switch (type) {\n                case 'translate':\n                    valueArr = splitNumberSequence(value);\n                    matrix.translate(mt, mt, [parseFloat(valueArr[0]), parseFloat(valueArr[1] || '0')]);\n                    break;\n                case 'scale':\n                    valueArr = splitNumberSequence(value);\n                    matrix.scale(mt, mt, [parseFloat(valueArr[0]), parseFloat(valueArr[1] || valueArr[0])]);\n                    break;\n                case 'rotate':\n                    valueArr = splitNumberSequence(value);\n                    matrix.rotate(mt, mt, -parseFloat(valueArr[0]) / 180 * Math.PI);\n                    break;\n                case 'skew':\n                    valueArr = splitNumberSequence(value);\n                    console.warn('Skew transform is not supported yet');\n                    break;\n                case 'matrix':\n                    valueArr = splitNumberSequence(value);\n                    mt[0] = parseFloat(valueArr[0]);\n                    mt[1] = parseFloat(valueArr[1]);\n                    mt[2] = parseFloat(valueArr[2]);\n                    mt[3] = parseFloat(valueArr[3]);\n                    mt[4] = parseFloat(valueArr[4]);\n                    mt[5] = parseFloat(valueArr[5]);\n                    break;\n            }\n        }\n        node.setLocalTransform(mt);\n    }\n}\nvar styleRegex = /([^\\s:;]+)\\s*:\\s*([^:;]+)/g;\nfunction parseInlineStyle(xmlNode, inheritableStyleResult, selfStyleResult) {\n    var style = xmlNode.getAttribute('style');\n    if (!style) {\n        return;\n    }\n    styleRegex.lastIndex = 0;\n    var styleRegResult;\n    while ((styleRegResult = styleRegex.exec(style)) != null) {\n        var svgStlAttr = styleRegResult[1];\n        var zrInheritableStlAttr = hasOwn(INHERITABLE_STYLE_ATTRIBUTES_MAP, svgStlAttr)\n            ? INHERITABLE_STYLE_ATTRIBUTES_MAP[svgStlAttr]\n            : null;\n        if (zrInheritableStlAttr) {\n            inheritableStyleResult[zrInheritableStlAttr] = styleRegResult[2];\n        }\n        var zrSelfStlAttr = hasOwn(SELF_STYLE_ATTRIBUTES_MAP, svgStlAttr)\n            ? SELF_STYLE_ATTRIBUTES_MAP[svgStlAttr]\n            : null;\n        if (zrSelfStlAttr) {\n            selfStyleResult[zrSelfStlAttr] = styleRegResult[2];\n        }\n    }\n}\nfunction parseAttributeStyle(xmlNode, inheritableStyleResult, selfStyleResult) {\n    for (var i = 0; i < INHERITABLE_STYLE_ATTRIBUTES_MAP_KEYS.length; i++) {\n        var svgAttrName = INHERITABLE_STYLE_ATTRIBUTES_MAP_KEYS[i];\n        var attrValue = xmlNode.getAttribute(svgAttrName);\n        if (attrValue != null) {\n            inheritableStyleResult[INHERITABLE_STYLE_ATTRIBUTES_MAP[svgAttrName]] = attrValue;\n        }\n    }\n    for (var i = 0; i < SELF_STYLE_ATTRIBUTES_MAP_KEYS.length; i++) {\n        var svgAttrName = SELF_STYLE_ATTRIBUTES_MAP_KEYS[i];\n        var attrValue = xmlNode.getAttribute(svgAttrName);\n        if (attrValue != null) {\n            selfStyleResult[SELF_STYLE_ATTRIBUTES_MAP[svgAttrName]] = attrValue;\n        }\n    }\n}\nexport function makeViewBoxTransform(viewBoxRect, boundingRect) {\n    var scaleX = boundingRect.width / viewBoxRect.width;\n    var scaleY = boundingRect.height / viewBoxRect.height;\n    var scale = Math.min(scaleX, scaleY);\n    return {\n        scale: scale,\n        x: -(viewBoxRect.x + viewBoxRect.width / 2) * scale + (boundingRect.x + boundingRect.width / 2),\n        y: -(viewBoxRect.y + viewBoxRect.height / 2) * scale + (boundingRect.y + boundingRect.height / 2)\n    };\n}\nexport function parseSVG(xml, opt) {\n    var parser = new SVGParser();\n    return parser.parse(xml, opt);\n}\nexport { parseXML };\n","import { isString } from '../core/util';\nexport function parseXML(svg) {\n    if (isString(svg)) {\n        var parser = new DOMParser();\n        svg = parser.parseFromString(svg, 'text/xml');\n    }\n    var svgNode = svg;\n    if (svgNode.nodeType === 9) {\n        svgNode = svgNode.firstChild;\n    }\n    while (svgNode.nodeName.toLowerCase() !== 'svg' || svgNode.nodeType !== 1) {\n        svgNode = svgNode.nextSibling;\n    }\n    return svgNode;\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// Fix for 南海诸岛\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { GeoJSONRegion } from '../Region';\nvar geoCoord = [126, 25];\nvar points = [[[0, 3.5], [7, 11.2], [15, 11.9], [30, 7], [42, 0.7], [52, 0.7], [56, 7.7], [59, 0.7], [64, 0.7], [64, 0], [5, 0], [0, 3.5]], [[13, 16.1], [19, 14.7], [16, 21.7], [11, 23.1], [13, 16.1]], [[12, 32.2], [14, 38.5], [15, 38.5], [13, 32.2], [12, 32.2]], [[16, 47.6], [12, 53.2], [13, 53.2], [18, 47.6], [16, 47.6]], [[6, 64.4], [8, 70], [9, 70], [8, 64.4], [6, 64.4]], [[23, 82.6], [29, 79.8], [30, 79.8], [25, 82.6], [23, 82.6]], [[37, 70.7], [43, 62.3], [44, 62.3], [39, 70.7], [37, 70.7]], [[48, 51.1], [51, 45.5], [53, 45.5], [50, 51.1], [48, 51.1]], [[51, 35], [51, 28.7], [53, 28.7], [53, 35], [51, 35]], [[52, 22.4], [55, 17.5], [56, 17.5], [53, 22.4], [52, 22.4]], [[58, 12.6], [62, 7], [63, 7], [60, 12.6], [58, 12.6]], [[0, 3.5], [0, 93.1], [64, 93.1], [64, 0], [63, 0], [63, 92.4], [1, 92.4], [1, 3.5], [0, 3.5]]];\n\nfor (var i = 0; i < points.length; i++) {\n  for (var k = 0; k < points[i].length; k++) {\n    points[i][k][0] /= 10.5;\n    points[i][k][1] /= -10.5 / 0.75;\n    points[i][k][0] += geoCoord[0];\n    points[i][k][1] += geoCoord[1];\n  }\n}\n\nexport default function fixNanhai(mapType, regions) {\n  if (mapType === 'china') {\n    regions.push(new GeoJSONRegion('南海诸岛', zrUtil.map(points, function (exterior) {\n      return {\n        type: 'polygon',\n        exterior: exterior\n      };\n    }), geoCoord));\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { parseSVG, makeViewBoxTransform } from 'zrender/lib/tool/parseSVG';\nimport Group from 'zrender/lib/graphic/Group';\nimport Rect from 'zrender/lib/graphic/shape/Rect';\nimport { assert, createHashMap, each } from 'zrender/lib/core/util';\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport { parseXML } from 'zrender/lib/tool/parseXML';\nimport { GeoSVGRegion } from './Region';\n/**\n * \"region available\" means that: enable users to set attribute `name=\"xxx\"` on those tags\n * to make it be a region.\n * 1. region styles and its label styles can be defined in echarts opton:\n * ```js\n * geo: {\n *     regions: [{\n *         name: 'xxx',\n *         itemStyle: { ... },\n *         label: { ... }\n *     }, {\n *         ...\n *     },\n *     ...]\n * };\n * ```\n * 2. name can be duplicated in different SVG tag. All of the tags with the same name share\n * a region option. For exampel if there are two <path> representing two lung lobes. They have\n * no common parents but both of them need to display label \"lung\" inside.\n */\n\nvar REGION_AVAILABLE_SVG_TAG_MAP = createHashMap(['rect', 'circle', 'line', 'ellipse', 'polygon', 'polyline', 'path', // <text> <tspan> are also enabled becuase some SVG might paint text itself,\n// but still need to trigger events or tooltip.\n'text', 'tspan', // <g> is also enabled because this case: if multiple tags share one name\n// and need label displayed, every tags will display the name, which is not\n// expected. So we can put them into a <g name=\"xxx\">. Thereby only one label\n// displayed and located based on the bounding rect of the <g>.\n'g']);\n\nvar GeoSVGResource =\n/** @class */\nfunction () {\n  function GeoSVGResource(mapName, svg) {\n    this.type = 'geoSVG'; // All used graphics. key: hostKey, value: root\n\n    this._usedGraphicMap = createHashMap(); // All unused graphics.\n\n    this._freedGraphics = [];\n    this._mapName = mapName; // Only perform parse to XML object here, which might be time\n    // consiming for large SVG.\n    // Although convert XML to zrender element is also time consiming,\n    // if we do it here, the clone of zrender elements has to be\n    // required. So we do it once for each geo instance, util real\n    // performance issues call for optimizing it.\n\n    this._parsedXML = parseXML(svg);\n  }\n\n  GeoSVGResource.prototype.load = function ()\n  /* nameMap: NameMap */\n  {\n    // In the \"load\" stage, graphic need to be built to\n    // get boundingRect for geo coordinate system.\n    var firstGraphic = this._firstGraphic; // Create the return data structure only when first graphic created.\n    // Because they will be used in geo coordinate system update stage,\n    // and `regions` will be mounted at `geo` coordinate system,\n    // in which there is no \"view\" info, so that it should better not to\n    // make references to graphic elements.\n\n    if (!firstGraphic) {\n      firstGraphic = this._firstGraphic = this._buildGraphic(this._parsedXML);\n\n      this._freedGraphics.push(firstGraphic);\n\n      this._boundingRect = this._firstGraphic.boundingRect.clone(); // PENDING: `nameMap` will not be supported until some real requirement come.\n      // if (nameMap) {\n      //     named = applyNameMap(named, nameMap);\n      // }\n\n      var _a = createRegions(firstGraphic.named),\n          regions = _a.regions,\n          regionsMap = _a.regionsMap;\n\n      this._regions = regions;\n      this._regionsMap = regionsMap;\n    }\n\n    return {\n      boundingRect: this._boundingRect,\n      regions: this._regions,\n      regionsMap: this._regionsMap\n    };\n  };\n\n  GeoSVGResource.prototype._buildGraphic = function (svgXML) {\n    var result;\n    var rootFromParse;\n\n    try {\n      result = svgXML && parseSVG(svgXML, {\n        ignoreViewBox: true,\n        ignoreRootClip: true\n      }) || {};\n      rootFromParse = result.root;\n      assert(rootFromParse != null);\n    } catch (e) {\n      throw new Error('Invalid svg format\\n' + e.message);\n    } // Note: we keep the covenant that the root has no transform. So always add an extra root.\n\n\n    var root = new Group();\n    root.add(rootFromParse);\n    root.isGeoSVGGraphicRoot = true; // [THE_RULE_OF_VIEWPORT_AND_VIEWBOX]\n    //\n    // Consider: `<svg width=\"...\" height=\"...\" viewBox=\"...\">`\n    // - the `width/height` we call it `svgWidth/svgHeight` for short.\n    // - `(0, 0, svgWidth, svgHeight)` defines the viewport of the SVG, or say,\n    //   \"viewport boundingRect\", or `boundingRect` for short.\n    // - `viewBox` defines the transform from the real content ot the viewport.\n    //   `viewBox` has the same unit as the content of SVG.\n    //   If `viewBox` exists, a transform is defined, so the unit of `svgWidth/svgHeight` become\n    //   different from the content of SVG. Otherwise, they are the same.\n    //\n    // If both `svgWidth/svgHeight/viewBox` are specified in a SVG file, the transform rule will be:\n    // 0. `boundingRect` is `(0, 0, svgWidth, svgHeight)`. Set it to Geo['_rect'] (View['_rect']).\n    // 1. Make a transform from `viewBox` to `boundingRect`.\n    //    Note: only suport `preserveAspectRatio 'xMidYMid'` here. That is, this transform will preserve\n    //    the aspect ratio.\n    // 2. Make a transform from boundingRect to Geo['_viewRect'] (View['_viewRect'])\n    //    (`Geo`/`View` will do this job).\n    //    Note: this transform might not preserve aspect radio, which depending on how users specify\n    //    viewRect in echarts option (e.g., `geo.left/top/width/height` will not preserve aspect ratio,\n    //    but `geo.layoutCenter/layoutSize` will preserve aspect ratio).\n    //\n    // If `svgWidth/svgHeight` not specified, we use `viewBox` as the `boundingRect` to make the SVG\n    // layout look good.\n    //\n    // If neither `svgWidth/svgHeight` nor `viewBox` are not specified, we calculate the boundingRect\n    // of the SVG content and use them to make SVG layout look good.\n\n    var svgWidth = result.width;\n    var svgHeight = result.height;\n    var viewBoxRect = result.viewBoxRect;\n    var boundingRect = this._boundingRect;\n\n    if (!boundingRect) {\n      var bRectX = void 0;\n      var bRectY = void 0;\n      var bRectWidth = void 0;\n      var bRectHeight = void 0;\n\n      if (svgWidth != null) {\n        bRectX = 0;\n        bRectWidth = svgWidth;\n      } else if (viewBoxRect) {\n        bRectX = viewBoxRect.x;\n        bRectWidth = viewBoxRect.width;\n      }\n\n      if (svgHeight != null) {\n        bRectY = 0;\n        bRectHeight = svgHeight;\n      } else if (viewBoxRect) {\n        bRectY = viewBoxRect.y;\n        bRectHeight = viewBoxRect.height;\n      } // If both viewBox and svgWidth/svgHeight not specified,\n      // we have to determine how to layout those element to make them look good.\n\n\n      if (bRectX == null || bRectY == null) {\n        var calculatedBoundingRect = rootFromParse.getBoundingRect();\n\n        if (bRectX == null) {\n          bRectX = calculatedBoundingRect.x;\n          bRectWidth = calculatedBoundingRect.width;\n        }\n\n        if (bRectY == null) {\n          bRectY = calculatedBoundingRect.y;\n          bRectHeight = calculatedBoundingRect.height;\n        }\n      }\n\n      boundingRect = this._boundingRect = new BoundingRect(bRectX, bRectY, bRectWidth, bRectHeight);\n    }\n\n    if (viewBoxRect) {\n      var viewBoxTransform = makeViewBoxTransform(viewBoxRect, boundingRect); // Only support `preserveAspectRatio 'xMidYMid'`\n\n      rootFromParse.scaleX = rootFromParse.scaleY = viewBoxTransform.scale;\n      rootFromParse.x = viewBoxTransform.x;\n      rootFromParse.y = viewBoxTransform.y;\n    } // SVG needs to clip based on `viewBox`. And some SVG files really rely on this feature.\n    // They do not strictly confine all of the content inside a display rect, but deliberately\n    // use a `viewBox` to define a displayable rect.\n    // PENDING:\n    // The drawback of the `setClipPath` here is: the region label (genereted by echarts) near the\n    // edge might also be clipped, because region labels are put as `textContent` of the SVG path.\n\n\n    root.setClipPath(new Rect({\n      shape: boundingRect.plain()\n    }));\n    var named = [];\n    each(result.named, function (namedItem) {\n      if (REGION_AVAILABLE_SVG_TAG_MAP.get(namedItem.svgNodeTagLower) != null) {\n        named.push(namedItem);\n        setSilent(namedItem.el);\n      }\n    });\n    return {\n      root: root,\n      boundingRect: boundingRect,\n      named: named\n    };\n  };\n  /**\n   * Consider:\n   * (1) One graphic element can not be shared by different `geoView` running simultaneously.\n   *     Notice, also need to consider multiple echarts instances share a `mapRecord`.\n   * (2) Converting SVG to graphic elements is time consuming.\n   * (3) In the current architecture, `load` should be called frequently to get boundingRect,\n   *     and it is called without view info.\n   * So we maintain graphic elements in this module, and enables `view` to use/return these\n   * graphics from/to the pool with it's uid.\n   */\n\n\n  GeoSVGResource.prototype.useGraphic = function (hostKey\n  /*, nameMap: NameMap */\n  ) {\n    var usedRootMap = this._usedGraphicMap;\n    var svgGraphic = usedRootMap.get(hostKey);\n\n    if (svgGraphic) {\n      return svgGraphic;\n    }\n\n    svgGraphic = this._freedGraphics.pop() // use the first boundingRect to avoid duplicated boundingRect calculation.\n    || this._buildGraphic(this._parsedXML);\n    usedRootMap.set(hostKey, svgGraphic); // PENDING: `nameMap` will not be supported until some real requirement come.\n    // `nameMap` can only be obtained from echarts option.\n    // The original `named` must not be modified.\n    // if (nameMap) {\n    //     svgGraphic = extend({}, svgGraphic);\n    //     svgGraphic.named = applyNameMap(svgGraphic.named, nameMap);\n    // }\n\n    return svgGraphic;\n  };\n\n  GeoSVGResource.prototype.freeGraphic = function (hostKey) {\n    var usedRootMap = this._usedGraphicMap;\n    var svgGraphic = usedRootMap.get(hostKey);\n\n    if (svgGraphic) {\n      usedRootMap.removeKey(hostKey);\n\n      this._freedGraphics.push(svgGraphic);\n    }\n  };\n\n  return GeoSVGResource;\n}();\n\nexport { GeoSVGResource };\n\nfunction setSilent(el) {\n  // Only named element has silent: false, other elements should\n  // act as background and has no user interaction.\n  el.silent = false; // text|tspan will be converted to group.\n\n  if (el.isGroup) {\n    el.traverse(function (child) {\n      child.silent = false;\n    });\n  }\n}\n\nfunction createRegions(named) {\n  var regions = [];\n  var regionsMap = createHashMap(); // Create resions only for the first graphic.\n\n  each(named, function (namedItem) {\n    // Region has feature to calculate center for tooltip or other features.\n    // If there is a <g name=\"xxx\">, the center should be the center of the\n    // bounding rect of the g.\n    if (namedItem.namedFrom != null) {\n      return;\n    }\n\n    var region = new GeoSVGRegion(namedItem.name, namedItem.el); // PENDING: if `nameMap` supported, this region can not be mounted on\n    // `this`, but can only be created each time `load()` called.\n\n    regions.push(region); // PENDING: if multiple tag named with the same name, only one will be\n    // found by `_regionsMap`. `_regionsMap` is used to find a coordinate\n    // by name. We use `region.getCenter()` as the coordinate.\n\n    regionsMap.set(namedItem.name, region);\n  });\n  return {\n    regions: regions,\n    regionsMap: regionsMap\n  };\n} // PENDING: `nameMap` will not be supported until some real requirement come.\n// /**\n//  * Use the alias in geoNameMap.\n//  * The input `named` must not be modified.\n//  */\n// function applyNameMap(\n//     named: GeoSVGGraphicRecord['named'],\n//     nameMap: NameMap\n// ): GeoSVGGraphicRecord['named'] {\n//     const result = [] as GeoSVGGraphicRecord['named'];\n//     for (let i = 0; i < named.length; i++) {\n//         let regionGraphic = named[i];\n//         const name = regionGraphic.name;\n//         if (nameMap && nameMap.hasOwnProperty(name)) {\n//             regionGraphic = extend({}, regionGraphic);\n//             regionGraphic.name = name;\n//         }\n//         result.push(regionGraphic);\n//     }\n//     return result;\n// }","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// Fix for 钓鱼岛\n// let Region = require('../Region');\n// let zrUtil = require('zrender/lib/core/util');\n// let geoCoord = [126, 25];\nvar points = [[[123.45165252685547, 25.73527164402261], [123.49731445312499, 25.73527164402261], [123.49731445312499, 25.750734064600884], [123.45165252685547, 25.750734064600884], [123.45165252685547, 25.73527164402261]]];\nexport default function fixDiaoyuIsland(mapType, region) {\n  if (mapType === 'china' && region.name === '台湾') {\n    region.geometries.push({\n      type: 'polygon',\n      exterior: points[0]\n    });\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { each, isString, createHashMap } from 'zrender/lib/core/util';\nimport parseGeoJson from './parseGeoJson'; // Built-in GEO fixer.\n\nimport fixNanhai from './fix/nanhai';\nimport fixTextCoord from './fix/textCoord';\nimport fixGeoCoord from './fix/geoCoord';\nimport fixDiaoyuIsland from './fix/diaoyuIsland';\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nvar DEFAULT_NAME_PROPERTY = 'name';\n\nvar GeoJSONResource =\n/** @class */\nfunction () {\n  function GeoJSONResource(mapName, geoJSON, specialAreas) {\n    this.type = 'geoJSON';\n    this._parsedMap = createHashMap();\n    this._mapName = mapName;\n    this._specialAreas = specialAreas; // PENDING: delay the parse to the first usage to rapid up the FMP?\n\n    this._geoJSON = parseInput(geoJSON);\n  }\n  /**\n   * @param nameMap can be null/undefined\n   * @param nameProperty can be null/undefined\n   */\n\n\n  GeoJSONResource.prototype.load = function (nameMap, nameProperty) {\n    nameProperty = nameProperty || DEFAULT_NAME_PROPERTY;\n\n    var parsed = this._parsedMap.get(nameProperty);\n\n    if (!parsed) {\n      var rawRegions = this._parseToRegions(nameProperty);\n\n      parsed = this._parsedMap.set(nameProperty, {\n        regions: rawRegions,\n        boundingRect: calculateBoundingRect(rawRegions)\n      });\n    }\n\n    var regionsMap = createHashMap();\n    var finalRegions = [];\n    each(parsed.regions, function (region) {\n      var regionName = region.name; // Try use the alias in geoNameMap\n\n      if (nameMap && nameMap.hasOwnProperty(regionName)) {\n        region = region.cloneShallow(regionName = nameMap[regionName]);\n      }\n\n      finalRegions.push(region);\n      regionsMap.set(regionName, region);\n    });\n    return {\n      regions: finalRegions,\n      boundingRect: parsed.boundingRect || new BoundingRect(0, 0, 0, 0),\n      regionsMap: regionsMap\n    };\n  };\n\n  GeoJSONResource.prototype._parseToRegions = function (nameProperty) {\n    var mapName = this._mapName;\n    var geoJSON = this._geoJSON;\n    var rawRegions; // https://jsperf.com/try-catch-performance-overhead\n\n    try {\n      rawRegions = geoJSON ? parseGeoJson(geoJSON, nameProperty) : [];\n    } catch (e) {\n      throw new Error('Invalid geoJson format\\n' + e.message);\n    }\n\n    fixNanhai(mapName, rawRegions);\n    each(rawRegions, function (region) {\n      var regionName = region.name;\n      fixTextCoord(mapName, region);\n      fixGeoCoord(mapName, region);\n      fixDiaoyuIsland(mapName, region); // Some area like Alaska in USA map needs to be tansformed\n      // to look better\n\n      var specialArea = this._specialAreas && this._specialAreas[regionName];\n\n      if (specialArea) {\n        region.transformTo(specialArea.left, specialArea.top, specialArea.width, specialArea.height);\n      }\n    }, this);\n    return rawRegions;\n  };\n  /**\n   * Only for exporting to users.\n   * **MUST NOT** used internally.\n   */\n\n\n  GeoJSONResource.prototype.getMapForUser = function () {\n    return {\n      // For backward compatibility, use geoJson\n      // PENDING: it has been returning them without clone.\n      // do we need to avoid outsite modification?\n      geoJson: this._geoJSON,\n      geoJSON: this._geoJSON,\n      specialAreas: this._specialAreas\n    };\n  };\n\n  return GeoJSONResource;\n}();\n\nexport { GeoJSONResource };\n\nfunction calculateBoundingRect(regions) {\n  var rect;\n\n  for (var i = 0; i < regions.length; i++) {\n    var regionRect = regions[i].getBoundingRect();\n    rect = rect || regionRect.clone();\n    rect.union(regionRect);\n  }\n\n  return rect;\n}\n\nfunction parseInput(source) {\n  return !isString(source) ? source : typeof JSON !== 'undefined' && JSON.parse ? JSON.parse(source) : new Function('return (' + source + ');')();\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { createHashMap } from 'zrender/lib/core/util';\nimport { GeoSVGResource } from './GeoSVGResource';\nimport { GeoJSONResource } from './GeoJSONResource';\nvar storage = createHashMap();\nexport default {\n  /**\n   * Compatible with previous `echarts.registerMap`.\n   *\n   * @usage\n   * ```js\n   *\n   * echarts.registerMap('USA', geoJson, specialAreas);\n   *\n   * echarts.registerMap('USA', {\n   *     geoJson: geoJson,\n   *     specialAreas: {...}\n   * });\n   * echarts.registerMap('USA', {\n   *     geoJSON: geoJson,\n   *     specialAreas: {...}\n   * });\n   *\n   * echarts.registerMap('airport', {\n   *     svg: svg\n   * }\n   * ```\n   *\n   * Note:\n   * Do not support that register multiple geoJSON or SVG\n   * one map name. Because different geoJSON and SVG have\n   * different unit. It's not easy to make sure how those\n   * units are mapping/normalize.\n   * If intending to use multiple geoJSON or SVG, we can\n   * use multiple geo coordinate system.\n   */\n  registerMap: function (mapName, rawDef, rawSpecialAreas) {\n    if (rawDef.svg) {\n      var resource = new GeoSVGResource(mapName, rawDef.svg);\n      storage.set(mapName, resource);\n    } else {\n      // Recommend:\n      //     echarts.registerMap('eu', { geoJSON: xxx, specialAreas: xxx });\n      // Backward compatibility:\n      //     echarts.registerMap('eu', geoJSON, specialAreas);\n      //     echarts.registerMap('eu', { geoJson: xxx, specialAreas: xxx });\n      var geoJSON = rawDef.geoJson || rawDef.geoJSON;\n\n      if (geoJSON && !rawDef.features) {\n        rawSpecialAreas = rawDef.specialAreas;\n      } else {\n        geoJSON = rawDef;\n      }\n\n      var resource = new GeoJSONResource(mapName, geoJSON, rawSpecialAreas);\n      storage.set(mapName, resource);\n    }\n  },\n  getGeoResource: function (mapName) {\n    return storage.get(mapName);\n  },\n\n  /**\n   * Only for exporting to users.\n   * **MUST NOT** used internally.\n   */\n  getMapForUser: function (mapName) {\n    var resource = storage.get(mapName); // Do not support return SVG until some real requirement come.\n\n    return resource && resource.type === 'geoJSON' && resource.getMapForUser();\n  },\n  load: function (mapName, nameMap, nameProperty) {\n    var resource = storage.get(mapName);\n\n    if (!resource) {\n      if (process.env.NODE_ENV !== 'production') {\n        console.error('Map ' + mapName + ' not exists. The GeoJSON of the map must be provided.');\n      }\n\n      return;\n    }\n\n    return resource.load(nameMap, nameProperty);\n  }\n};","import { __spread } from 'tslib';\nimport { Injectable, NgZone, NgModule, Directive, ElementRef, EventEmitter, Inject, Input, Output, PLATFORM_ID, defineInjectable, inject } from '@angular/core';\nimport { Subject, Subscription } from 'rxjs';\nimport { isPlatformBrowser, CommonModule } from '@angular/common';\nimport { filter } from 'rxjs/operators';\n\n/**\r\n * @fileoverview added by tsickle\r\n * @suppress {checkTypes} checked by tsc\r\n */\r\n/** @enum {string} */\r\nvar InViewportConfigDirection = {\r\n    BOTH: 'both',\r\n    VERTICAL: 'vertical',\r\n    HORIZONTAL: 'horizontal',\r\n};\r\nvar /** @type {?} */ DEFAULT_THRESHOLD = [0, 1];\r\nvar InViewportConfig = /** @class */ (function () {\r\n    function InViewportConfig(options) {\r\n        var _this = this;\r\n        this._rootMargin = '0px 0px 0px 0px';\r\n        this._threshold = __spread(DEFAULT_THRESHOLD);\r\n        this._partial = true;\r\n        this._direction = InViewportConfigDirection.BOTH;\r\n        if (Object.prototype.toString.call(options) === '[object Object]') {\r\n            ['root', 'rootMargin', 'threshold', 'partial', 'direction', 'checkFn'].forEach(function (prop) {\r\n                if (options.hasOwnProperty(prop)) {\r\n                    _this[prop] = options[prop];\r\n                }\r\n            });\r\n        }\r\n    }\r\n    Object.defineProperty(InViewportConfig.prototype, \"root\", {\r\n        get: /**\r\n         * @return {?}\r\n         */\r\n        function () {\r\n            return this._root;\r\n        },\r\n        set: /**\r\n         * @param {?} value\r\n         * @return {?}\r\n         */\r\n        function (value) {\r\n            this._root = value && value.nodeType === 1 ? value : undefined;\r\n        },\r\n        enumerable: true,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(InViewportConfig.prototype, \"rootMargin\", {\r\n        get: /**\r\n         * @return {?}\r\n         */\r\n        function () {\r\n            return this._rootMargin;\r\n        },\r\n        set: /**\r\n         * @param {?} value\r\n         * @return {?}\r\n         */\r\n        function (value) {\r\n            this._rootMargin = value && typeof value === 'string' ? value : '0px 0px 0px 0px';\r\n        },\r\n        enumerable: true,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(InViewportConfig.prototype, \"threshold\", {\r\n        get: /**\r\n         * @return {?}\r\n         */\r\n        function () {\r\n            return this._threshold;\r\n        },\r\n        set: /**\r\n         * @param {?} value\r\n         * @return {?}\r\n         */\r\n        function (value) {\r\n            var /** @type {?} */ threshold = [];\r\n            var /** @type {?} */ isValidThreshold = function (val) { return typeof val === 'number' && val >= 0 && val <= 1; };\r\n            if (isValidThreshold(value)) {\r\n                threshold = [value];\r\n            }\r\n            else if (Array.isArray(value) && value.length) {\r\n                threshold = value.filter(function (val) { return isValidThreshold(val); });\r\n            }\r\n            if (threshold.length === 0) {\r\n                threshold = __spread(DEFAULT_THRESHOLD);\r\n            }\r\n            this._threshold = threshold;\r\n        },\r\n        enumerable: true,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(InViewportConfig.prototype, \"partial\", {\r\n        get: /**\r\n         * @return {?}\r\n         */\r\n        function () {\r\n            return this._partial;\r\n        },\r\n        set: /**\r\n         * @param {?} value\r\n         * @return {?}\r\n         */\r\n        function (value) {\r\n            this._partial = !!value;\r\n        },\r\n        enumerable: true,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(InViewportConfig.prototype, \"direction\", {\r\n        get: /**\r\n         * @return {?}\r\n         */\r\n        function () {\r\n            return this._direction;\r\n        },\r\n        set: /**\r\n         * @param {?} value\r\n         * @return {?}\r\n         */\r\n        function (value) {\r\n            var /** @type {?} */ isValidValue = function (val) {\r\n                return ([\r\n                    InViewportConfigDirection.BOTH,\r\n                    InViewportConfigDirection.HORIZONTAL,\r\n                    InViewportConfigDirection.VERTICAL\r\n                ].indexOf(val) >= 0);\r\n            };\r\n            this._direction = isValidValue(value) ? value : InViewportConfigDirection.BOTH;\r\n        },\r\n        enumerable: true,\r\n        configurable: true\r\n    });\r\n    Object.defineProperty(InViewportConfig.prototype, \"checkFn\", {\r\n        get: /**\r\n         * @return {?}\r\n         */\r\n        function () {\r\n            return this._checkFn;\r\n        },\r\n        set: /**\r\n         * @param {?} value\r\n         * @return {?}\r\n         */\r\n        function (value) {\r\n            this._checkFn = value;\r\n        },\r\n        enumerable: true,\r\n        configurable: true\r\n    });\r\n    return InViewportConfig;\r\n}());\n\n/**\r\n * @fileoverview added by tsickle\r\n * @suppress {checkTypes} checked by tsc\r\n */\r\nvar InViewportService = /** @class */ (function () {\r\n    function InViewportService(ngZone) {\r\n        this.ngZone = ngZone;\r\n        this.trigger$ = new Subject();\r\n        this.registry = [];\r\n    }\r\n    /**\r\n     * @param {?} entries\r\n     * @return {?}\r\n     */\r\n    InViewportService.prototype.emitTrigger = /**\r\n     * @param {?} entries\r\n     * @return {?}\r\n     */\r\n    function (entries) {\r\n        var _this = this;\r\n        if (Array.isArray(entries) && entries.length) {\r\n            entries.forEach(function (entry) { return _this.trigger$.next(entry); });\r\n        }\r\n    };\r\n    /**\r\n     * @param {?=} element\r\n     * @return {?}\r\n     */\r\n    InViewportService.prototype.getRootElement = /**\r\n     * @param {?=} element\r\n     * @return {?}\r\n     */\r\n    function (element) {\r\n        return element && element.nodeType === Node.ELEMENT_NODE ? element : undefined;\r\n    };\r\n    /**\r\n     * @param {?} root\r\n     * @return {?}\r\n     */\r\n    InViewportService.prototype.findEntry = /**\r\n     * @param {?} root\r\n     * @return {?}\r\n     */\r\n    function (root) {\r\n        var _this = this;\r\n        return this.registry.find(function (entry) { return entry.root === _this.getRootElement(root); });\r\n    };\r\n    /**\r\n     * @param {?} target\r\n     * @param {?} config\r\n     * @return {?}\r\n     */\r\n    InViewportService.prototype.register = /**\r\n     * @param {?} target\r\n     * @param {?} config\r\n     * @return {?}\r\n     */\r\n    function (target, config) {\r\n        var _this = this;\r\n        this.ngZone.runOutsideAngular(function () {\r\n            var /** @type {?} */ foundedEntry = _this.findEntry(config.root);\r\n            if (foundedEntry && !foundedEntry.targets.has(target)) {\r\n                foundedEntry.targets.add(target);\r\n                foundedEntry.observer.observe(target);\r\n            }\r\n            else {\r\n                var /** @type {?} */ options = {\r\n                    root: _this.getRootElement(config.root),\r\n                    rootMargin: config.rootMargin,\r\n                    threshold: config.threshold\r\n                };\r\n                var /** @type {?} */ entry = {\r\n                    root: _this.getRootElement(config.root),\r\n                    targets: new Set([target]),\r\n                    observer: new IntersectionObserver(function (entries) { return _this.ngZone.run(function () { return _this.emitTrigger(entries); }); }, options)\r\n                };\r\n                entry.observer.observe(target);\r\n                _this.registry = __spread(_this.registry, [entry]);\r\n            }\r\n        });\r\n    };\r\n    /**\r\n     * @param {?} target\r\n     * @param {?} config\r\n     * @return {?}\r\n     */\r\n    InViewportService.prototype.unregister = /**\r\n     * @param {?} target\r\n     * @param {?} config\r\n     * @return {?}\r\n     */\r\n    function (target, config) {\r\n        var _this = this;\r\n        this.ngZone.runOutsideAngular(function () {\r\n            var /** @type {?} */ foundedEntry = _this.findEntry(config.root);\r\n            if (foundedEntry) {\r\n                var observer = foundedEntry.observer, targets = foundedEntry.targets;\r\n                if (targets.has(target)) {\r\n                    observer.unobserve(target);\r\n                    targets.delete(target);\r\n                }\r\n                if (targets.size === 0) {\r\n                    observer.disconnect();\r\n                    _this.registry = _this.registry.filter(function (entry) { return entry !== foundedEntry; });\r\n                }\r\n            }\r\n        });\r\n    };\r\n    InViewportService.decorators = [\r\n        { type: Injectable, args: [{\r\n                    providedIn: 'root'\r\n                },] },\r\n    ];\r\n    /** @nocollapse */\r\n    InViewportService.ctorParameters = function () { return [\r\n        { type: NgZone, },\r\n    ]; };\r\n    /** @nocollapse */ InViewportService.ngInjectableDef = defineInjectable({ factory: function InViewportService_Factory() { return new InViewportService(inject(NgZone)); }, token: InViewportService, providedIn: \"root\" });\r\n    return InViewportService;\r\n}());\n\n/**\r\n * @fileoverview added by tsickle\r\n * @suppress {checkTypes} checked by tsc\r\n */\r\nvar /** @type {?} */ InViewportMetadata = Symbol('InViewportMetadata');\r\nvar InViewportDirective = /** @class */ (function () {\r\n    function InViewportDirective(platformId, elementRef, inViewport) {\r\n        this.platformId = platformId;\r\n        this.elementRef = elementRef;\r\n        this.inViewport = inViewport;\r\n        this.config = new InViewportConfig();\r\n        this.subscription = new Subscription();\r\n        this.inViewportAction = new EventEmitter();\r\n    }\r\n    Object.defineProperty(InViewportDirective.prototype, \"options\", {\r\n        set: /**\r\n         * @param {?} value\r\n         * @return {?}\r\n         */\r\n        function (value) {\r\n            this.config = new InViewportConfig(value);\r\n        },\r\n        enumerable: true,\r\n        configurable: true\r\n    });\r\n    /**\r\n     * @return {?}\r\n     */\r\n    InViewportDirective.prototype.ngAfterViewInit = /**\r\n     * @return {?}\r\n     */\r\n    function () {\r\n        var _this = this;\r\n        if (isPlatformBrowser(this.platformId)) {\r\n            this.inViewport.register(this.elementRef.nativeElement, this.config);\r\n            this.subscription.add(this.inViewport.trigger$\r\n                .pipe(filter(function (entry) { return entry && entry.target === _this.elementRef.nativeElement; }))\r\n                .subscribe(function (entry) { return _this.emitAction(entry, false); }));\r\n        }\r\n        else {\r\n            this.emitAction(undefined, true);\r\n        }\r\n    };\r\n    /**\r\n     * @return {?}\r\n     */\r\n    InViewportDirective.prototype.ngOnDestroy = /**\r\n     * @return {?}\r\n     */\r\n    function () {\r\n        this.subscription.unsubscribe();\r\n        if (isPlatformBrowser(this.platformId)) {\r\n            this.inViewport.unregister(this.elementRef.nativeElement, this.config);\r\n        }\r\n    };\r\n    /**\r\n     * @param {?} entry\r\n     * @param {?} force\r\n     * @return {?}\r\n     */\r\n    InViewportDirective.prototype.check = /**\r\n     * @param {?} entry\r\n     * @param {?} force\r\n     * @return {?}\r\n     */\r\n    function (entry, force) {\r\n        var _this = this;\r\n        var /** @type {?} */ isVisible = function () {\r\n            var /** @type {?} */ partiallyVisible = entry.isIntersecting || entry.intersectionRatio > 0;\r\n            var /** @type {?} */ completelyVisible = entry.intersectionRatio >= 1;\r\n            return _this.config.partial ? partiallyVisible : completelyVisible;\r\n        };\r\n        var /** @type {?} */ visible = force || !entry || isVisible();\r\n        return _a = {}, _a[InViewportMetadata] = { entry: entry }, _a.target = this.elementRef.nativeElement, _a.visible = visible, _a;\r\n        var _a;\r\n    };\r\n    /**\r\n     * @param {?} entry\r\n     * @param {?} force\r\n     * @return {?}\r\n     */\r\n    InViewportDirective.prototype.emitAction = /**\r\n     * @param {?} entry\r\n     * @param {?} force\r\n     * @return {?}\r\n     */\r\n    function (entry, force) {\r\n        var /** @type {?} */ event = this.config.checkFn\r\n            ? this.config.checkFn(entry, { force: force, config: this.config })\r\n            : this.check(entry, force);\r\n        this.inViewportAction.emit(event);\r\n    };\r\n    InViewportDirective.decorators = [\r\n        { type: Directive, args: [{\r\n                    selector: '[inViewport]'\r\n                },] },\r\n    ];\r\n    /** @nocollapse */\r\n    InViewportDirective.ctorParameters = function () { return [\r\n        { type: Object, decorators: [{ type: Inject, args: [PLATFORM_ID,] },] },\r\n        { type: ElementRef, },\r\n        { type: InViewportService, },\r\n    ]; };\r\n    InViewportDirective.propDecorators = {\r\n        \"options\": [{ type: Input, args: ['inViewportOptions',] },],\r\n        \"inViewportAction\": [{ type: Output },],\r\n    };\r\n    return InViewportDirective;\r\n}());\n\n/**\r\n * @fileoverview added by tsickle\r\n * @suppress {checkTypes} checked by tsc\r\n */\r\nvar InViewportModule = /** @class */ (function () {\r\n    function InViewportModule() {\r\n    }\r\n    InViewportModule.decorators = [\r\n        { type: NgModule, args: [{\r\n                    imports: [CommonModule],\r\n                    declarations: [InViewportDirective],\r\n                    exports: [InViewportDirective]\r\n                },] },\r\n    ];\r\n    return InViewportModule;\r\n}());\n\n/**\r\n * @fileoverview added by tsickle\r\n * @suppress {checkTypes} checked by tsc\r\n */\n\n/**\r\n * @fileoverview added by tsickle\r\n * @suppress {checkTypes} checked by tsc\r\n */\n\nexport { InViewportModule, InViewportMetadata, InViewportDirective, InViewportService, InViewportConfigDirection, InViewportConfig };\n","import { Component, ViewEncapsulation, ChangeDetectionStrategy, Input, NgModule } from '@angular/core';\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { CommonModule } from '@angular/common';\nimport { MatCommonModule } from '@angular/material/core';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatDivider = /** @class */ (function () {\n    function MatDivider() {\n        this._vertical = false;\n        this._inset = false;\n    }\n    Object.defineProperty(MatDivider.prototype, \"vertical\", {\n        /** Whether the divider is vertically aligned. */\n        get: function () { return this._vertical; },\n        set: function (value) { this._vertical = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatDivider.prototype, \"inset\", {\n        /** Whether the divider is an inset divider. */\n        get: function () { return this._inset; },\n        set: function (value) { this._inset = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    MatDivider.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-divider',\n                    host: {\n                        'role': 'separator',\n                        '[attr.aria-orientation]': 'vertical ? \"vertical\" : \"horizontal\"',\n                        '[class.mat-divider-vertical]': 'vertical',\n                        '[class.mat-divider-horizontal]': '!vertical',\n                        '[class.mat-divider-inset]': 'inset',\n                        'class': 'mat-divider'\n                    },\n                    template: '',\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    styles: [\".mat-divider{display:block;margin:0;border-top-width:1px;border-top-style:solid}.mat-divider.mat-divider-vertical{border-top:0;border-right-width:1px;border-right-style:solid}.mat-divider.mat-divider-inset{margin-left:80px}[dir=rtl] .mat-divider.mat-divider-inset{margin-left:auto;margin-right:80px}\\n\"]\n                }] }\n    ];\n    MatDivider.propDecorators = {\n        vertical: [{ type: Input }],\n        inset: [{ type: Input }]\n    };\n    return MatDivider;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatDividerModule = /** @class */ (function () {\n    function MatDividerModule() {\n    }\n    MatDividerModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [MatCommonModule, CommonModule],\n                    exports: [MatDivider, MatCommonModule],\n                    declarations: [MatDivider],\n                },] }\n    ];\n    return MatDividerModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MatDivider, MatDividerModule };\n","import LRU from '../../core/LRU';\nvar globalImageCache = new LRU(50);\nexport function findExistImage(newImageOrSrc) {\n    if (typeof newImageOrSrc === 'string') {\n        var cachedImgObj = globalImageCache.get(newImageOrSrc);\n        return cachedImgObj && cachedImgObj.image;\n    }\n    else {\n        return newImageOrSrc;\n    }\n}\nexport function createOrUpdateImage(newImageOrSrc, image, hostEl, onload, cbPayload) {\n    if (!newImageOrSrc) {\n        return image;\n    }\n    else if (typeof newImageOrSrc === 'string') {\n        if ((image && image.__zrImageSrc === newImageOrSrc) || !hostEl) {\n            return image;\n        }\n        var cachedImgObj = globalImageCache.get(newImageOrSrc);\n        var pendingWrap = { hostEl: hostEl, cb: onload, cbPayload: cbPayload };\n        if (cachedImgObj) {\n            image = cachedImgObj.image;\n            !isImageReady(image) && cachedImgObj.pending.push(pendingWrap);\n        }\n        else {\n            image = new Image();\n            image.onload = image.onerror = imageOnLoad;\n            globalImageCache.put(newImageOrSrc, image.__cachedImgObj = {\n                image: image,\n                pending: [pendingWrap]\n            });\n            image.src = image.__zrImageSrc = newImageOrSrc;\n        }\n        return image;\n    }\n    else {\n        return newImageOrSrc;\n    }\n}\nfunction imageOnLoad() {\n    var cachedImgObj = this.__cachedImgObj;\n    this.onload = this.onerror = this.__cachedImgObj = null;\n    for (var i = 0; i < cachedImgObj.pending.length; i++) {\n        var pendingWrap = cachedImgObj.pending[i];\n        var cb = pendingWrap.cb;\n        cb && cb(this, pendingWrap.cbPayload);\n        pendingWrap.hostEl.dirty();\n    }\n    cachedImgObj.pending.length = 0;\n}\nexport function isImageReady(image) {\n    return image && image.width && image.height;\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\n/**\n * This module is imported by echarts directly.\n *\n * Notice:\n * Always keep this file exists for backward compatibility.\n * Because before 4.1.0, dataset is an optional component,\n * some users may import this module manually.\n */\n\nimport ComponentModel from '../../model/Component';\nimport ComponentView from '../../view/Component';\nimport { SERIES_LAYOUT_BY_COLUMN } from '../../util/types';\nimport { disableTransformOptionMerge, SourceManager } from '../../data/helper/sourceManager';\n\nvar DatasetModel =\n/** @class */\nfunction (_super) {\n  __extends(DatasetModel, _super);\n\n  function DatasetModel() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = 'dataset';\n    return _this;\n  }\n\n  DatasetModel.prototype.init = function (option, parentModel, ecModel) {\n    _super.prototype.init.call(this, option, parentModel, ecModel);\n\n    this._sourceManager = new SourceManager(this);\n    disableTransformOptionMerge(this);\n  };\n\n  DatasetModel.prototype.mergeOption = function (newOption, ecModel) {\n    _super.prototype.mergeOption.call(this, newOption, ecModel);\n\n    disableTransformOptionMerge(this);\n  };\n\n  DatasetModel.prototype.optionUpdated = function () {\n    this._sourceManager.dirty();\n  };\n\n  DatasetModel.prototype.getSourceManager = function () {\n    return this._sourceManager;\n  };\n\n  DatasetModel.type = 'dataset';\n  DatasetModel.defaultOption = {\n    seriesLayoutBy: SERIES_LAYOUT_BY_COLUMN\n  };\n  return DatasetModel;\n}(ComponentModel);\n\nexport { DatasetModel };\n\nvar DatasetView =\n/** @class */\nfunction (_super) {\n  __extends(DatasetView, _super);\n\n  function DatasetView() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = 'dataset';\n    return _this;\n  }\n\n  DatasetView.type = 'dataset';\n  return DatasetView;\n}(ComponentView);\n\nexport function install(registers) {\n  registers.registerComponentModel(DatasetModel);\n  registers.registerComponentView(DatasetView);\n}","import Eventful from './Eventful';\nimport env from './env';\nimport { isCanvasEl, transformCoordWithViewport } from './dom';\nvar isDomLevel2 = (typeof window !== 'undefined') && !!window.addEventListener;\nvar MOUSE_EVENT_REG = /^(?:mouse|pointer|contextmenu|drag|drop)|click/;\nvar _calcOut = [];\nexport function clientToLocal(el, e, out, calculate) {\n    out = out || {};\n    if (calculate || !env.canvasSupported) {\n        calculateZrXY(el, e, out);\n    }\n    else if (env.browser.firefox\n        && e.layerX != null\n        && e.layerX !== e.offsetX) {\n        out.zrX = e.layerX;\n        out.zrY = e.layerY;\n    }\n    else if (e.offsetX != null) {\n        out.zrX = e.offsetX;\n        out.zrY = e.offsetY;\n    }\n    else {\n        calculateZrXY(el, e, out);\n    }\n    return out;\n}\nfunction calculateZrXY(el, e, out) {\n    if (env.domSupported && el.getBoundingClientRect) {\n        var ex = e.clientX;\n        var ey = e.clientY;\n        if (isCanvasEl(el)) {\n            var box = el.getBoundingClientRect();\n            out.zrX = ex - box.left;\n            out.zrY = ey - box.top;\n            return;\n        }\n        else {\n            if (transformCoordWithViewport(_calcOut, el, ex, ey)) {\n                out.zrX = _calcOut[0];\n                out.zrY = _calcOut[1];\n                return;\n            }\n        }\n    }\n    out.zrX = out.zrY = 0;\n}\nexport function getNativeEvent(e) {\n    return e\n        || window.event;\n}\nexport function normalizeEvent(el, e, calculate) {\n    e = getNativeEvent(e);\n    if (e.zrX != null) {\n        return e;\n    }\n    var eventType = e.type;\n    var isTouch = eventType && eventType.indexOf('touch') >= 0;\n    if (!isTouch) {\n        clientToLocal(el, e, e, calculate);\n        var wheelDelta = getWheelDeltaMayPolyfill(e);\n        e.zrDelta = wheelDelta ? wheelDelta / 120 : -(e.detail || 0) / 3;\n    }\n    else {\n        var touch = eventType !== 'touchend'\n            ? e.targetTouches[0]\n            : e.changedTouches[0];\n        touch && clientToLocal(el, touch, e, calculate);\n    }\n    var button = e.button;\n    if (e.which == null && button !== undefined && MOUSE_EVENT_REG.test(e.type)) {\n        e.which = (button & 1 ? 1 : (button & 2 ? 3 : (button & 4 ? 2 : 0)));\n    }\n    return e;\n}\nfunction getWheelDeltaMayPolyfill(e) {\n    var rawWheelDelta = e.wheelDelta;\n    if (rawWheelDelta) {\n        return rawWheelDelta;\n    }\n    var deltaX = e.deltaX;\n    var deltaY = e.deltaY;\n    if (deltaX == null || deltaY == null) {\n        return rawWheelDelta;\n    }\n    var delta = deltaY !== 0 ? Math.abs(deltaY) : Math.abs(deltaX);\n    var sign = deltaY > 0 ? -1\n        : deltaY < 0 ? 1\n            : deltaX > 0 ? -1\n                : 1;\n    return 3 * delta * sign;\n}\nexport function addEventListener(el, name, handler, opt) {\n    if (isDomLevel2) {\n        el.addEventListener(name, handler, opt);\n    }\n    else {\n        el.attachEvent('on' + name, handler);\n    }\n}\nexport function removeEventListener(el, name, handler, opt) {\n    if (isDomLevel2) {\n        el.removeEventListener(name, handler, opt);\n    }\n    else {\n        el.detachEvent('on' + name, handler);\n    }\n}\nexport var stop = isDomLevel2\n    ? function (e) {\n        e.preventDefault();\n        e.stopPropagation();\n        e.cancelBubble = true;\n    }\n    : function (e) {\n        e.returnValue = false;\n        e.cancelBubble = true;\n    };\nexport function isMiddleOrRightButtonOnMouseUpDown(e) {\n    return e.which === 2 || e.which === 3;\n}\nexport function notLeftMouse(e) {\n    return e.which > 1;\n}\nexport { Eventful as Dispatcher };\n","import { isArray, isNumber } from '../../core/util';\nexport function normalizeLineDash(lineType, lineWidth) {\n    if (!lineType || lineType === 'solid' || !(lineWidth > 0)) {\n        return null;\n    }\n    lineWidth = lineWidth || 1;\n    return lineType === 'dashed'\n        ? [4 * lineWidth, 2 * lineWidth]\n        : lineType === 'dotted'\n            ? [lineWidth]\n            : isNumber(lineType)\n                ? [lineType] : isArray(lineType) ? lineType : null;\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/* global Float64Array, Int32Array, Uint32Array, Uint16Array */\n\n/**\n * List for data storage\n */\nimport * as zrUtil from 'zrender/lib/core/util';\nimport Model from '../model/Model';\nimport DataDiffer from './DataDiffer';\nimport { DefaultDataProvider } from './helper/dataProvider';\nimport { summarizeDimensions } from './helper/dimensionHelper';\nimport DataDimensionInfo from './DataDimensionInfo';\nimport { SOURCE_FORMAT_TYPED_ARRAY, SOURCE_FORMAT_ORIGINAL } from '../util/types';\nimport { isDataItemOption, convertOptionIdName } from '../util/model';\nimport { getECData } from '../util/innerStore';\nimport { parseDataValue } from './helper/dataValueHelper';\nimport { isSourceInstance } from './Source';\nvar mathFloor = Math.floor;\nvar isObject = zrUtil.isObject;\nvar map = zrUtil.map;\nvar UNDEFINED = 'undefined';\nvar INDEX_NOT_FOUND = -1; // Use prefix to avoid index to be the same as otherIdList[idx],\n// which will cause weird udpate animation.\n\nvar ID_PREFIX = 'e\\0\\0';\nvar dataCtors = {\n  'float': typeof Float64Array === UNDEFINED ? Array : Float64Array,\n  'int': typeof Int32Array === UNDEFINED ? Array : Int32Array,\n  // Ordinal data type can be string or int\n  'ordinal': Array,\n  'number': Array,\n  'time': Array\n}; // Caution: MUST not use `new CtorUint32Array(arr, 0, len)`, because the Ctor of array is\n// different from the Ctor of typed array.\n\nvar CtorUint32Array = typeof Uint32Array === UNDEFINED ? Array : Uint32Array;\nvar CtorInt32Array = typeof Int32Array === UNDEFINED ? Array : Int32Array;\nvar CtorUint16Array = typeof Uint16Array === UNDEFINED ? Array : Uint16Array;\nvar TRANSFERABLE_PROPERTIES = ['hasItemOption', '_nameList', '_idList', '_invertedIndicesMap', '_rawData', '_dimValueGetter', '_count', '_rawCount', '_nameDimIdx', '_idDimIdx', '_nameRepeatCount'];\nvar CLONE_PROPERTIES = ['_extent', '_approximateExtent', '_rawExtent']; // -----------------------------\n// Internal method declarations:\n// -----------------------------\n\nvar defaultDimValueGetters;\nvar prepareInvertedIndex;\nvar getIndicesCtor;\nvar prepareStorage;\nvar getRawIndexWithoutIndices;\nvar getRawIndexWithIndices;\nvar getId;\nvar getIdNameFromStore;\nvar makeIdFromName;\nvar normalizeDimensions;\nvar validateDimensions;\nvar cloneListForMapAndSample;\nvar getInitialExtent;\nvar setItemDataAndSeriesIndex;\nvar transferProperties;\n\nvar List =\n/** @class */\nfunction () {\n  /**\n   * @param dimensions\n   *        For example, ['someDimName', {name: 'someDimName', type: 'someDimType'}, ...].\n   *        Dimensions should be concrete names like x, y, z, lng, lat, angle, radius\n   */\n  function List(dimensions, hostModel) {\n    this.type = 'list';\n    this._count = 0;\n    this._rawCount = 0;\n    this._storage = {}; // We have an extra array store here. It's faster to be acessed than KV structured `_storage`.\n    // We profile the code `storage[dim]` and it seems to be KeyedLoadIC_Megamorphic instead of fast property access.\n    // Not sure why this happens. But using an extra array seems leads to faster `initData`\n    // See https://github.com/apache/incubator-echarts/pull/13314 for more explanation.\n\n    this._storageArr = [];\n    this._nameList = [];\n    this._idList = []; // Models of data option is stored sparse for optimizing memory cost\n    // Never used yet (not used yet).\n    // private _optionModels: Model[] = [];\n    // Global visual properties after visual coding\n\n    this._visual = {}; // Globel layout properties.\n\n    this._layout = {}; // Item visual properties after visual coding\n\n    this._itemVisuals = []; // Item layout properties after layout\n\n    this._itemLayouts = []; // Graphic elemnents\n\n    this._graphicEls = []; // Raw extent will not be cloned, but only transfered.\n    // It will not be calculated util needed.\n\n    this._rawExtent = {};\n    this._extent = {}; // key: dim, value: extent\n\n    this._approximateExtent = {};\n    this._calculationInfo = {}; // Having detected that there is data item is non primitive type\n    // (in type `OptionDataItemObject`).\n    // Like `data: [ { value: xx, itemStyle: {...} }, ...]`\n    // At present it only happen in `SOURCE_FORMAT_ORIGINAL`.\n\n    this.hasItemOption = true; // Methods that create a new list based on this list should be listed here.\n    // Notice that those method should `RETURN` the new list.\n\n    this.TRANSFERABLE_METHODS = ['cloneShallow', 'downSample', 'lttbDownSample', 'map']; // Methods that change indices of this list should be listed here.\n\n    this.CHANGABLE_METHODS = ['filterSelf', 'selectRange'];\n    this.DOWNSAMPLE_METHODS = ['downSample', 'lttbDownSample'];\n    /**\n     * Get raw data index.\n     * Do not initialize.\n     * Default `getRawIndex`. And it can be changed.\n     */\n\n    this.getRawIndex = getRawIndexWithoutIndices;\n    dimensions = dimensions || ['x', 'y'];\n    var dimensionInfos = {};\n    var dimensionNames = [];\n    var invertedIndicesMap = {};\n\n    for (var i = 0; i < dimensions.length; i++) {\n      // Use the original dimensions[i], where other flag props may exists.\n      var dimInfoInput = dimensions[i];\n      var dimensionInfo = zrUtil.isString(dimInfoInput) ? new DataDimensionInfo({\n        name: dimInfoInput\n      }) : !(dimInfoInput instanceof DataDimensionInfo) ? new DataDimensionInfo(dimInfoInput) : dimInfoInput;\n      var dimensionName = dimensionInfo.name;\n      dimensionInfo.type = dimensionInfo.type || 'float';\n\n      if (!dimensionInfo.coordDim) {\n        dimensionInfo.coordDim = dimensionName;\n        dimensionInfo.coordDimIndex = 0;\n      }\n\n      var otherDims = dimensionInfo.otherDims = dimensionInfo.otherDims || {};\n      dimensionNames.push(dimensionName);\n      dimensionInfos[dimensionName] = dimensionInfo;\n      dimensionInfo.index = i;\n\n      if (dimensionInfo.createInvertedIndices) {\n        invertedIndicesMap[dimensionName] = [];\n      }\n\n      if (otherDims.itemName === 0) {\n        this._nameDimIdx = i;\n        this._nameOrdinalMeta = dimensionInfo.ordinalMeta;\n      }\n\n      if (otherDims.itemId === 0) {\n        this._idDimIdx = i;\n        this._idOrdinalMeta = dimensionInfo.ordinalMeta;\n      }\n    }\n\n    this.dimensions = dimensionNames;\n    this._dimensionInfos = dimensionInfos;\n    this.hostModel = hostModel; // Cache summary info for fast visit. See \"dimensionHelper\".\n\n    this._dimensionsSummary = summarizeDimensions(this);\n    this._invertedIndicesMap = invertedIndicesMap;\n    this.userOutput = this._dimensionsSummary.userOutput;\n  }\n  /**\n   * The meanings of the input parameter `dim`:\n   *\n   * + If dim is a number (e.g., `1`), it means the index of the dimension.\n   *   For example, `getDimension(0)` will return 'x' or 'lng' or 'radius'.\n   * + If dim is a number-like string (e.g., `\"1\"`):\n   *     + If there is the same concrete dim name defined in `this.dimensions`, it means that concrete name.\n   *     + If not, it will be converted to a number, which means the index of the dimension.\n   *        (why? because of the backward compatbility. We have been tolerating number-like string in\n   *        dimension setting, although now it seems that it is not a good idea.)\n   *     For example, `visualMap[i].dimension: \"1\"` is the same meaning as `visualMap[i].dimension: 1`,\n   *     if no dimension name is defined as `\"1\"`.\n   * + If dim is a not-number-like string, it means the concrete dim name.\n   *   For example, it can be be default name `\"x\"`, `\"y\"`, `\"z\"`, `\"lng\"`, `\"lat\"`, `\"angle\"`, `\"radius\"`,\n   *   or customized in `dimensions` property of option like `\"age\"`.\n   *\n   * Get dimension name\n   * @param dim See above.\n   * @return Concrete dim name.\n   */\n\n\n  List.prototype.getDimension = function (dim) {\n    if (typeof dim === 'number' // If being a number-like string but not being defined a dimension name.\n    || !isNaN(dim) && !this._dimensionInfos.hasOwnProperty(dim)) {\n      dim = this.dimensions[dim];\n    }\n\n    return dim;\n  };\n  /**\n   * Get type and calculation info of particular dimension\n   * @param dim\n   *        Dimension can be concrete names like x, y, z, lng, lat, angle, radius\n   *        Or a ordinal number. For example getDimensionInfo(0) will return 'x' or 'lng' or 'radius'\n   */\n\n\n  List.prototype.getDimensionInfo = function (dim) {\n    // Do not clone, because there may be categories in dimInfo.\n    return this._dimensionInfos[this.getDimension(dim)];\n  };\n  /**\n   * concrete dimension name list on coord.\n   */\n\n\n  List.prototype.getDimensionsOnCoord = function () {\n    return this._dimensionsSummary.dataDimsOnCoord.slice();\n  };\n\n  List.prototype.mapDimension = function (coordDim, idx) {\n    var dimensionsSummary = this._dimensionsSummary;\n\n    if (idx == null) {\n      return dimensionsSummary.encodeFirstDimNotExtra[coordDim];\n    }\n\n    var dims = dimensionsSummary.encode[coordDim];\n    return dims ? dims[idx] : null;\n  };\n\n  List.prototype.mapDimensionsAll = function (coordDim) {\n    var dimensionsSummary = this._dimensionsSummary;\n    var dims = dimensionsSummary.encode[coordDim];\n    return (dims || []).slice();\n  };\n  /**\n   * Initialize from data\n   * @param data source or data or data provider.\n   * @param nameList The name of a datum is used on data diff and\n   *        default label/tooltip.\n   *        A name can be specified in encode.itemName,\n   *        or dataItem.name (only for series option data),\n   *        or provided in nameList from outside.\n   */\n\n\n  List.prototype.initData = function (data, nameList, dimValueGetter) {\n    var notProvider = isSourceInstance(data) || zrUtil.isArrayLike(data);\n    var provider = notProvider ? new DefaultDataProvider(data, this.dimensions.length) : data;\n\n    if (process.env.NODE_ENV !== 'production') {\n      zrUtil.assert(notProvider || zrUtil.isFunction(provider.getItem) && zrUtil.isFunction(provider.count), 'Inavlid data provider.');\n    }\n\n    this._rawData = provider;\n    var sourceFormat = provider.getSource().sourceFormat; // Clear\n\n    this._storage = {};\n    this._indices = null;\n    this._dontMakeIdFromName = this._idDimIdx != null || sourceFormat === SOURCE_FORMAT_TYPED_ARRAY // Cosndier performance.\n    || !!provider.fillStorage;\n    this._nameList = (nameList || []).slice();\n    this._idList = [];\n    this._nameRepeatCount = {};\n\n    if (!dimValueGetter) {\n      this.hasItemOption = false;\n    }\n\n    this.defaultDimValueGetter = defaultDimValueGetters[sourceFormat]; // Default dim value getter\n\n    this._dimValueGetter = dimValueGetter = dimValueGetter || this.defaultDimValueGetter;\n    this._dimValueGetterArrayRows = defaultDimValueGetters.arrayRows; // Reset raw extent.\n\n    this._rawExtent = {};\n\n    this._initDataFromProvider(0, provider.count()); // If data has no item option.\n\n\n    if (provider.pure) {\n      this.hasItemOption = false;\n    }\n  };\n\n  List.prototype.getProvider = function () {\n    return this._rawData;\n  };\n  /**\n   * Caution: Can be only called on raw data (before `this._indices` created).\n   */\n\n\n  List.prototype.appendData = function (data) {\n    if (process.env.NODE_ENV !== 'production') {\n      zrUtil.assert(!this._indices, 'appendData can only be called on raw data.');\n    }\n\n    var rawData = this._rawData;\n    var start = this.count();\n    rawData.appendData(data);\n    var end = rawData.count();\n\n    if (!rawData.persistent) {\n      end += start;\n    }\n\n    this._initDataFromProvider(start, end, true);\n  };\n  /**\n   * Caution: Can be only called on raw data (before `this._indices` created).\n   * This method does not modify `rawData` (`dataProvider`), but only\n   * add values to storage.\n   *\n   * The final count will be increased by `Math.max(values.length, names.length)`.\n   *\n   * @param values That is the SourceType: 'arrayRows', like\n   *        [\n   *            [12, 33, 44],\n   *            [NaN, 43, 1],\n   *            ['-', 'asdf', 0]\n   *        ]\n   *        Each item is exaclty cooresponding to a dimension.\n   */\n\n\n  List.prototype.appendValues = function (values, names) {\n    var storage = this._storage;\n    var dimensions = this.dimensions;\n    var dimLen = dimensions.length;\n    var rawExtent = this._rawExtent;\n    var start = this.count();\n    var end = start + Math.max(values.length, names ? names.length : 0);\n\n    for (var i = 0; i < dimLen; i++) {\n      var dim = dimensions[i];\n\n      if (!rawExtent[dim]) {\n        rawExtent[dim] = getInitialExtent();\n      }\n\n      prepareStorage(storage, this._dimensionInfos[dim], end, true);\n    }\n\n    var rawExtentArr = map(dimensions, function (dim) {\n      return rawExtent[dim];\n    });\n    var storageArr = this._storageArr = map(dimensions, function (dim) {\n      return storage[dim];\n    });\n    var emptyDataItem = [];\n\n    for (var idx = start; idx < end; idx++) {\n      var sourceIdx = idx - start; // Store the data by dimensions\n\n      for (var dimIdx = 0; dimIdx < dimLen; dimIdx++) {\n        var dim = dimensions[dimIdx];\n\n        var val = this._dimValueGetterArrayRows(values[sourceIdx] || emptyDataItem, dim, sourceIdx, dimIdx);\n\n        storageArr[dimIdx][idx] = val;\n        var dimRawExtent = rawExtentArr[dimIdx];\n        val < dimRawExtent[0] && (dimRawExtent[0] = val);\n        val > dimRawExtent[1] && (dimRawExtent[1] = val);\n      }\n\n      if (names) {\n        this._nameList[idx] = names[sourceIdx];\n\n        if (!this._dontMakeIdFromName) {\n          makeIdFromName(this, idx);\n        }\n      }\n    }\n\n    this._rawCount = this._count = end; // Reset data extent\n\n    this._extent = {};\n    prepareInvertedIndex(this);\n  };\n\n  List.prototype._initDataFromProvider = function (start, end, append) {\n    if (start >= end) {\n      return;\n    }\n\n    var rawData = this._rawData;\n    var storage = this._storage;\n    var dimensions = this.dimensions;\n    var dimLen = dimensions.length;\n    var dimensionInfoMap = this._dimensionInfos;\n    var nameList = this._nameList;\n    var idList = this._idList;\n    var rawExtent = this._rawExtent;\n    var sourceFormat = rawData.getSource().sourceFormat;\n    var isFormatOriginal = sourceFormat === SOURCE_FORMAT_ORIGINAL;\n\n    for (var i = 0; i < dimLen; i++) {\n      var dim = dimensions[i];\n\n      if (!rawExtent[dim]) {\n        rawExtent[dim] = getInitialExtent();\n      }\n\n      prepareStorage(storage, dimensionInfoMap[dim], end, append);\n    }\n\n    var storageArr = this._storageArr = map(dimensions, function (dim) {\n      return storage[dim];\n    });\n    var rawExtentArr = map(dimensions, function (dim) {\n      return rawExtent[dim];\n    });\n\n    if (rawData.fillStorage) {\n      rawData.fillStorage(start, end, storageArr, rawExtentArr);\n    } else {\n      var dataItem = [];\n\n      for (var idx = start; idx < end; idx++) {\n        // NOTICE: Try not to write things into dataItem\n        dataItem = rawData.getItem(idx, dataItem); // Each data item is value\n        // [1, 2]\n        // 2\n        // Bar chart, line chart which uses category axis\n        // only gives the 'y' value. 'x' value is the indices of category\n        // Use a tempValue to normalize the value to be a (x, y) value\n        // Store the data by dimensions\n\n        for (var dimIdx = 0; dimIdx < dimLen; dimIdx++) {\n          var dim = dimensions[dimIdx];\n          var dimStorage = storageArr[dimIdx]; // PENDING NULL is empty or zero\n\n          var val = this._dimValueGetter(dataItem, dim, idx, dimIdx);\n\n          dimStorage[idx] = val;\n          var dimRawExtent = rawExtentArr[dimIdx];\n          val < dimRawExtent[0] && (dimRawExtent[0] = val);\n          val > dimRawExtent[1] && (dimRawExtent[1] = val);\n        } // If dataItem is {name: ...} or {id: ...}, it has highest priority.\n        // This kind of ids and names are always stored `_nameList` and `_idList`.\n\n\n        if (isFormatOriginal && !rawData.pure && dataItem) {\n          var itemName = dataItem.name;\n\n          if (nameList[idx] == null && itemName != null) {\n            nameList[idx] = convertOptionIdName(itemName, null);\n          }\n\n          var itemId = dataItem.id;\n\n          if (idList[idx] == null && itemId != null) {\n            idList[idx] = convertOptionIdName(itemId, null);\n          }\n        }\n\n        if (!this._dontMakeIdFromName) {\n          makeIdFromName(this, idx);\n        }\n      }\n    }\n\n    if (!rawData.persistent && rawData.clean) {\n      // Clean unused data if data source is typed array.\n      rawData.clean();\n    }\n\n    this._rawCount = this._count = end; // Reset data extent\n\n    this._extent = {};\n    prepareInvertedIndex(this);\n  };\n\n  List.prototype.count = function () {\n    return this._count;\n  };\n\n  List.prototype.getIndices = function () {\n    var newIndices;\n    var indices = this._indices;\n\n    if (indices) {\n      var Ctor = indices.constructor;\n      var thisCount = this._count; // `new Array(a, b, c)` is different from `new Uint32Array(a, b, c)`.\n\n      if (Ctor === Array) {\n        newIndices = new Ctor(thisCount);\n\n        for (var i = 0; i < thisCount; i++) {\n          newIndices[i] = indices[i];\n        }\n      } else {\n        newIndices = new Ctor(indices.buffer, 0, thisCount);\n      }\n    } else {\n      var Ctor = getIndicesCtor(this);\n      newIndices = new Ctor(this.count());\n\n      for (var i = 0; i < newIndices.length; i++) {\n        newIndices[i] = i;\n      }\n    }\n\n    return newIndices;\n  }; // Get data by index of dimension.\n  // Because in v8 access array by number variable is faster than access object by string variable\n  // Not sure why but the optimization just works.\n\n\n  List.prototype.getByDimIdx = function (dimIdx, idx) {\n    if (!(idx >= 0 && idx < this._count)) {\n      return NaN;\n    }\n\n    var dimStore = this._storageArr[dimIdx];\n    return dimStore ? dimStore[this.getRawIndex(idx)] : NaN;\n  };\n  /**\n   * Get value. Return NaN if idx is out of range.\n   * @param dim Dim must be concrete name.\n   */\n\n\n  List.prototype.get = function (dim, idx) {\n    if (!(idx >= 0 && idx < this._count)) {\n      return NaN;\n    }\n\n    var dimStore = this._storage[dim];\n    return dimStore ? dimStore[this.getRawIndex(idx)] : NaN;\n  };\n  /**\n   * @param dim concrete dim\n   */\n\n\n  List.prototype.getByRawIndex = function (dim, rawIdx) {\n    if (!(rawIdx >= 0 && rawIdx < this._rawCount)) {\n      return NaN;\n    }\n\n    var dimStore = this._storage[dim];\n    return dimStore ? dimStore[rawIdx] : NaN;\n  };\n\n  List.prototype.getValues = function (dimensions, idx) {\n    var values = [];\n\n    if (!zrUtil.isArray(dimensions)) {\n      // stack = idx;\n      idx = dimensions;\n      dimensions = this.dimensions;\n    }\n\n    for (var i = 0, len = dimensions.length; i < len; i++) {\n      values.push(this.get(dimensions[i], idx\n      /*, stack */\n      ));\n    }\n\n    return values;\n  };\n  /**\n   * If value is NaN. Inlcuding '-'\n   * Only check the coord dimensions.\n   */\n\n\n  List.prototype.hasValue = function (idx) {\n    var dataDimsOnCoord = this._dimensionsSummary.dataDimsOnCoord;\n\n    for (var i = 0, len = dataDimsOnCoord.length; i < len; i++) {\n      // Ordinal type originally can be string or number.\n      // But when an ordinal type is used on coord, it can\n      // not be string but only number. So we can also use isNaN.\n      if (isNaN(this.get(dataDimsOnCoord[i], idx))) {\n        return false;\n      }\n    }\n\n    return true;\n  };\n  /**\n   * Get extent of data in one dimension\n   */\n\n\n  List.prototype.getDataExtent = function (dim) {\n    // Make sure use concrete dim as cache name.\n    dim = this.getDimension(dim);\n    var dimData = this._storage[dim];\n    var initialExtent = getInitialExtent(); // stack = !!((stack || false) && this.getCalculationInfo(dim));\n\n    if (!dimData) {\n      return initialExtent;\n    } // Make more strict checkings to ensure hitting cache.\n\n\n    var currEnd = this.count(); // let cacheName = [dim, !!stack].join('_');\n    // let cacheName = dim;\n    // Consider the most cases when using data zoom, `getDataExtent`\n    // happened before filtering. We cache raw extent, which is not\n    // necessary to be cleared and recalculated when restore data.\n\n    var useRaw = !this._indices; // && !stack;\n\n    var dimExtent;\n\n    if (useRaw) {\n      return this._rawExtent[dim].slice();\n    }\n\n    dimExtent = this._extent[dim];\n\n    if (dimExtent) {\n      return dimExtent.slice();\n    }\n\n    dimExtent = initialExtent;\n    var min = dimExtent[0];\n    var max = dimExtent[1];\n\n    for (var i = 0; i < currEnd; i++) {\n      var rawIdx = this.getRawIndex(i);\n      var value = dimData[rawIdx];\n      value < min && (min = value);\n      value > max && (max = value);\n    }\n\n    dimExtent = [min, max];\n    this._extent[dim] = dimExtent;\n    return dimExtent;\n  };\n  /**\n   * PENDING: In fact currently this function is only used to short-circuit\n   * the calling of `scale.unionExtentFromData` when data have been filtered by modules\n   * like \"dataZoom\". `scale.unionExtentFromData` is used to calculate data extent for series on\n   * an axis, but if a \"axis related data filter module\" is used, the extent of the axis have\n   * been fixed and no need to calling `scale.unionExtentFromData` actually.\n   * But if we add \"custom data filter\" in future, which is not \"axis related\", this method may\n   * be still needed.\n   *\n   * Optimize for the scenario that data is filtered by a given extent.\n   * Consider that if data amount is more than hundreds of thousand,\n   * extent calculation will cost more than 10ms and the cache will\n   * be erased because of the filtering.\n   */\n\n\n  List.prototype.getApproximateExtent = function (dim) {\n    dim = this.getDimension(dim);\n    return this._approximateExtent[dim] || this.getDataExtent(dim);\n  };\n  /**\n   * Calculate extent on a filtered data might be time consuming.\n   * Approximate extent is only used for: calculte extent of filtered data outside.\n   */\n\n\n  List.prototype.setApproximateExtent = function (extent, dim) {\n    dim = this.getDimension(dim);\n    this._approximateExtent[dim] = extent.slice();\n  };\n\n  List.prototype.getCalculationInfo = function (key) {\n    return this._calculationInfo[key];\n  };\n\n  List.prototype.setCalculationInfo = function (key, value) {\n    isObject(key) ? zrUtil.extend(this._calculationInfo, key) : this._calculationInfo[key] = value;\n  };\n  /**\n   * Get sum of data in one dimension\n   */\n\n\n  List.prototype.getSum = function (dim) {\n    var dimData = this._storage[dim];\n    var sum = 0;\n\n    if (dimData) {\n      for (var i = 0, len = this.count(); i < len; i++) {\n        var value = this.get(dim, i);\n\n        if (!isNaN(value)) {\n          sum += value;\n        }\n      }\n    }\n\n    return sum;\n  };\n  /**\n   * Get median of data in one dimension\n   */\n\n\n  List.prototype.getMedian = function (dim) {\n    var dimDataArray = []; // map all data of one dimension\n\n    this.each(dim, function (val) {\n      if (!isNaN(val)) {\n        dimDataArray.push(val);\n      }\n    }); // TODO\n    // Use quick select?\n\n    var sortedDimDataArray = dimDataArray.sort(function (a, b) {\n      return a - b;\n    });\n    var len = this.count(); // calculate median\n\n    return len === 0 ? 0 : len % 2 === 1 ? sortedDimDataArray[(len - 1) / 2] : (sortedDimDataArray[len / 2] + sortedDimDataArray[len / 2 - 1]) / 2;\n  }; // /**\n  //  * Retreive the index with given value\n  //  * @param {string} dim Concrete dimension.\n  //  * @param {number} value\n  //  * @return {number}\n  //  */\n  // Currently incorrect: should return dataIndex but not rawIndex.\n  // Do not fix it until this method is to be used somewhere.\n  // FIXME Precision of float value\n  // indexOf(dim, value) {\n  //     let storage = this._storage;\n  //     let dimData = storage[dim];\n  //     let chunkSize = this._chunkSize;\n  //     if (dimData) {\n  //         for (let i = 0, len = this.count(); i < len; i++) {\n  //             let chunkIndex = mathFloor(i / chunkSize);\n  //             let chunkOffset = i % chunkSize;\n  //             if (dimData[chunkIndex][chunkOffset] === value) {\n  //                 return i;\n  //             }\n  //         }\n  //     }\n  //     return -1;\n  // }\n\n  /**\n   * Only support the dimension which inverted index created.\n   * Do not support other cases until required.\n   * @param dim concrete dim\n   * @param value ordinal index\n   * @return rawIndex\n   */\n\n\n  List.prototype.rawIndexOf = function (dim, value) {\n    var invertedIndices = dim && this._invertedIndicesMap[dim];\n\n    if (process.env.NODE_ENV !== 'production') {\n      if (!invertedIndices) {\n        throw new Error('Do not supported yet');\n      }\n    }\n\n    var rawIndex = invertedIndices[value];\n\n    if (rawIndex == null || isNaN(rawIndex)) {\n      return INDEX_NOT_FOUND;\n    }\n\n    return rawIndex;\n  };\n  /**\n   * Retreive the index with given name\n   */\n\n\n  List.prototype.indexOfName = function (name) {\n    for (var i = 0, len = this.count(); i < len; i++) {\n      if (this.getName(i) === name) {\n        return i;\n      }\n    }\n\n    return -1;\n  };\n  /**\n   * Retreive the index with given raw data index\n   */\n\n\n  List.prototype.indexOfRawIndex = function (rawIndex) {\n    if (rawIndex >= this._rawCount || rawIndex < 0) {\n      return -1;\n    }\n\n    if (!this._indices) {\n      return rawIndex;\n    } // Indices are ascending\n\n\n    var indices = this._indices; // If rawIndex === dataIndex\n\n    var rawDataIndex = indices[rawIndex];\n\n    if (rawDataIndex != null && rawDataIndex < this._count && rawDataIndex === rawIndex) {\n      return rawIndex;\n    }\n\n    var left = 0;\n    var right = this._count - 1;\n\n    while (left <= right) {\n      var mid = (left + right) / 2 | 0;\n\n      if (indices[mid] < rawIndex) {\n        left = mid + 1;\n      } else if (indices[mid] > rawIndex) {\n        right = mid - 1;\n      } else {\n        return mid;\n      }\n    }\n\n    return -1;\n  };\n  /**\n   * Retreive the index of nearest value\n   * @param dim\n   * @param value\n   * @param [maxDistance=Infinity]\n   * @return If and only if multiple indices has\n   *         the same value, they are put to the result.\n   */\n\n\n  List.prototype.indicesOfNearest = function (dim, value, maxDistance) {\n    var storage = this._storage;\n    var dimData = storage[dim];\n    var nearestIndices = [];\n\n    if (!dimData) {\n      return nearestIndices;\n    }\n\n    if (maxDistance == null) {\n      maxDistance = Infinity;\n    }\n\n    var minDist = Infinity;\n    var minDiff = -1;\n    var nearestIndicesLen = 0; // Check the test case of `test/ut/spec/data/List.js`.\n\n    for (var i = 0, len = this.count(); i < len; i++) {\n      var dataIndex = this.getRawIndex(i);\n      var diff = value - dimData[dataIndex];\n      var dist = Math.abs(diff);\n\n      if (dist <= maxDistance) {\n        // When the `value` is at the middle of `this.get(dim, i)` and `this.get(dim, i+1)`,\n        // we'd better not push both of them to `nearestIndices`, otherwise it is easy to\n        // get more than one item in `nearestIndices` (more specifically, in `tooltip`).\n        // So we chose the one that `diff >= 0` in this csae.\n        // But if `this.get(dim, i)` and `this.get(dim, j)` get the same value, both of them\n        // should be push to `nearestIndices`.\n        if (dist < minDist || dist === minDist && diff >= 0 && minDiff < 0) {\n          minDist = dist;\n          minDiff = diff;\n          nearestIndicesLen = 0;\n        }\n\n        if (diff === minDiff) {\n          nearestIndices[nearestIndicesLen++] = i;\n        }\n      }\n    }\n\n    nearestIndices.length = nearestIndicesLen;\n    return nearestIndices;\n  };\n  /**\n   * Get raw data item\n   */\n\n\n  List.prototype.getRawDataItem = function (idx) {\n    if (!this._rawData.persistent) {\n      var val = [];\n\n      for (var i = 0; i < this.dimensions.length; i++) {\n        var dim = this.dimensions[i];\n        val.push(this.get(dim, idx));\n      }\n\n      return val;\n    } else {\n      return this._rawData.getItem(this.getRawIndex(idx));\n    }\n  };\n  /**\n   * @return Never be null/undefined. `number` will be converted to string. Becuase:\n   * In most cases, name is used in display, where returning a string is more convenient.\n   * In other cases, name is used in query (see `indexOfName`), where we can keep the\n   * rule that name `2` equals to name `'2'`.\n   */\n\n\n  List.prototype.getName = function (idx) {\n    var rawIndex = this.getRawIndex(idx);\n    var name = this._nameList[rawIndex];\n\n    if (name == null && this._nameDimIdx != null) {\n      name = getIdNameFromStore(this, this._nameDimIdx, this._nameOrdinalMeta, rawIndex);\n    }\n\n    if (name == null) {\n      name = '';\n    }\n\n    return name;\n  };\n  /**\n   * @return Never null/undefined. `number` will be converted to string. Becuase:\n   * In all cases having encountered at present, id is used in making diff comparison, which\n   * are usually based on hash map. We can keep the rule that the internal id are always string\n   * (treat `2` is the same as `'2'`) to make the related logic simple.\n   */\n\n\n  List.prototype.getId = function (idx) {\n    return getId(this, this.getRawIndex(idx));\n  };\n\n  List.prototype.each = function (dims, cb, ctx, ctxCompat) {\n    'use strict';\n\n    var _this = this;\n\n    if (!this._count) {\n      return;\n    }\n\n    if (typeof dims === 'function') {\n      ctxCompat = ctx;\n      ctx = cb;\n      cb = dims;\n      dims = [];\n    } // ctxCompat just for compat echarts3\n\n\n    var fCtx = ctx || ctxCompat || this;\n    var dimNames = map(normalizeDimensions(dims), this.getDimension, this);\n\n    if (process.env.NODE_ENV !== 'production') {\n      validateDimensions(this, dimNames);\n    }\n\n    var dimSize = dimNames.length;\n    var dimIndices = map(dimNames, function (dimName) {\n      return _this._dimensionInfos[dimName].index;\n    });\n    var storageArr = this._storageArr;\n\n    for (var i = 0, len = this.count(); i < len; i++) {\n      var rawIdx = this.getRawIndex(i); // Simple optimization\n\n      switch (dimSize) {\n        case 0:\n          cb.call(fCtx, i);\n          break;\n\n        case 1:\n          cb.call(fCtx, storageArr[dimIndices[0]][rawIdx], i);\n          break;\n\n        case 2:\n          cb.call(fCtx, storageArr[dimIndices[0]][rawIdx], storageArr[dimIndices[1]][rawIdx], i);\n          break;\n\n        default:\n          var k = 0;\n          var value = [];\n\n          for (; k < dimSize; k++) {\n            value[k] = storageArr[dimIndices[k]][rawIdx];\n          } // Index\n\n\n          value[k] = i;\n          cb.apply(fCtx, value);\n      }\n    }\n  };\n\n  List.prototype.filterSelf = function (dims, cb, ctx, ctxCompat) {\n    'use strict';\n\n    var _this = this;\n\n    if (!this._count) {\n      return;\n    }\n\n    if (typeof dims === 'function') {\n      ctxCompat = ctx;\n      ctx = cb;\n      cb = dims;\n      dims = [];\n    } // ctxCompat just for compat echarts3\n\n\n    var fCtx = ctx || ctxCompat || this;\n    var dimNames = map(normalizeDimensions(dims), this.getDimension, this);\n\n    if (process.env.NODE_ENV !== 'production') {\n      validateDimensions(this, dimNames);\n    }\n\n    var count = this.count();\n    var Ctor = getIndicesCtor(this);\n    var newIndices = new Ctor(count);\n    var value = [];\n    var dimSize = dimNames.length;\n    var offset = 0;\n    var dimIndices = map(dimNames, function (dimName) {\n      return _this._dimensionInfos[dimName].index;\n    });\n    var dim0 = dimIndices[0];\n    var storageArr = this._storageArr;\n\n    for (var i = 0; i < count; i++) {\n      var keep = void 0;\n      var rawIdx = this.getRawIndex(i); // Simple optimization\n\n      if (dimSize === 0) {\n        keep = cb.call(fCtx, i);\n      } else if (dimSize === 1) {\n        var val = storageArr[dim0][rawIdx];\n        keep = cb.call(fCtx, val, i);\n      } else {\n        var k = 0;\n\n        for (; k < dimSize; k++) {\n          value[k] = storageArr[dimIndices[k]][rawIdx];\n        }\n\n        value[k] = i;\n        keep = cb.apply(fCtx, value);\n      }\n\n      if (keep) {\n        newIndices[offset++] = rawIdx;\n      }\n    } // Set indices after filtered.\n\n\n    if (offset < count) {\n      this._indices = newIndices;\n    }\n\n    this._count = offset; // Reset data extent\n\n    this._extent = {};\n    this.getRawIndex = this._indices ? getRawIndexWithIndices : getRawIndexWithoutIndices;\n    return this;\n  };\n  /**\n   * Select data in range. (For optimization of filter)\n   * (Manually inline code, support 5 million data filtering in data zoom.)\n   */\n\n\n  List.prototype.selectRange = function (range) {\n    'use strict';\n\n    var _this = this;\n\n    var len = this._count;\n\n    if (!len) {\n      return;\n    }\n\n    var dimensions = [];\n\n    for (var dim in range) {\n      if (range.hasOwnProperty(dim)) {\n        dimensions.push(dim);\n      }\n    }\n\n    if (process.env.NODE_ENV !== 'production') {\n      validateDimensions(this, dimensions);\n    }\n\n    var dimSize = dimensions.length;\n\n    if (!dimSize) {\n      return;\n    }\n\n    var originalCount = this.count();\n    var Ctor = getIndicesCtor(this);\n    var newIndices = new Ctor(originalCount);\n    var offset = 0;\n    var dim0 = dimensions[0];\n    var dimIndices = map(dimensions, function (dimName) {\n      return _this._dimensionInfos[dimName].index;\n    });\n    var min = range[dim0][0];\n    var max = range[dim0][1];\n    var storageArr = this._storageArr;\n    var quickFinished = false;\n\n    if (!this._indices) {\n      // Extreme optimization for common case. About 2x faster in chrome.\n      var idx = 0;\n\n      if (dimSize === 1) {\n        var dimStorage = storageArr[dimIndices[0]];\n\n        for (var i = 0; i < len; i++) {\n          var val = dimStorage[i]; // NaN will not be filtered. Consider the case, in line chart, empty\n          // value indicates the line should be broken. But for the case like\n          // scatter plot, a data item with empty value will not be rendered,\n          // but the axis extent may be effected if some other dim of the data\n          // item has value. Fortunately it is not a significant negative effect.\n\n          if (val >= min && val <= max || isNaN(val)) {\n            newIndices[offset++] = idx;\n          }\n\n          idx++;\n        }\n\n        quickFinished = true;\n      } else if (dimSize === 2) {\n        var dimStorage = storageArr[dimIndices[0]];\n        var dimStorage2 = storageArr[dimIndices[1]];\n        var min2 = range[dimensions[1]][0];\n        var max2 = range[dimensions[1]][1];\n\n        for (var i = 0; i < len; i++) {\n          var val = dimStorage[i];\n          var val2 = dimStorage2[i]; // Do not filter NaN, see comment above.\n\n          if ((val >= min && val <= max || isNaN(val)) && (val2 >= min2 && val2 <= max2 || isNaN(val2))) {\n            newIndices[offset++] = idx;\n          }\n\n          idx++;\n        }\n\n        quickFinished = true;\n      }\n    }\n\n    if (!quickFinished) {\n      if (dimSize === 1) {\n        for (var i = 0; i < originalCount; i++) {\n          var rawIndex = this.getRawIndex(i);\n          var val = storageArr[dimIndices[0]][rawIndex]; // Do not filter NaN, see comment above.\n\n          if (val >= min && val <= max || isNaN(val)) {\n            newIndices[offset++] = rawIndex;\n          }\n        }\n      } else {\n        for (var i = 0; i < originalCount; i++) {\n          var keep = true;\n          var rawIndex = this.getRawIndex(i);\n\n          for (var k = 0; k < dimSize; k++) {\n            var dimk = dimensions[k];\n            var val = storageArr[dimIndices[k]][rawIndex]; // Do not filter NaN, see comment above.\n\n            if (val < range[dimk][0] || val > range[dimk][1]) {\n              keep = false;\n            }\n          }\n\n          if (keep) {\n            newIndices[offset++] = this.getRawIndex(i);\n          }\n        }\n      }\n    } // Set indices after filtered.\n\n\n    if (offset < originalCount) {\n      this._indices = newIndices;\n    }\n\n    this._count = offset; // Reset data extent\n\n    this._extent = {};\n    this.getRawIndex = this._indices ? getRawIndexWithIndices : getRawIndexWithoutIndices;\n    return this;\n  };\n  /* eslint-enable */\n\n\n  List.prototype.mapArray = function (dims, cb, ctx, ctxCompat) {\n    'use strict';\n\n    if (typeof dims === 'function') {\n      ctxCompat = ctx;\n      ctx = cb;\n      cb = dims;\n      dims = [];\n    } // ctxCompat just for compat echarts3\n\n\n    ctx = ctx || ctxCompat || this;\n    var result = [];\n    this.each(dims, function () {\n      result.push(cb && cb.apply(this, arguments));\n    }, ctx);\n    return result;\n  };\n\n  List.prototype.map = function (dims, cb, ctx, ctxCompat) {\n    'use strict'; // ctxCompat just for compat echarts3\n\n    var fCtx = ctx || ctxCompat || this;\n    var dimNames = map(normalizeDimensions(dims), this.getDimension, this);\n\n    if (process.env.NODE_ENV !== 'production') {\n      validateDimensions(this, dimNames);\n    }\n\n    var list = cloneListForMapAndSample(this, dimNames);\n    var storage = list._storage; // Following properties are all immutable.\n    // So we can reference to the same value\n\n    list._indices = this._indices;\n    list.getRawIndex = list._indices ? getRawIndexWithIndices : getRawIndexWithoutIndices;\n    var tmpRetValue = [];\n    var dimSize = dimNames.length;\n    var dataCount = this.count();\n    var values = [];\n    var rawExtent = list._rawExtent;\n\n    for (var dataIndex = 0; dataIndex < dataCount; dataIndex++) {\n      for (var dimIndex = 0; dimIndex < dimSize; dimIndex++) {\n        values[dimIndex] = this.get(dimNames[dimIndex], dataIndex);\n      }\n\n      values[dimSize] = dataIndex;\n      var retValue = cb && cb.apply(fCtx, values);\n\n      if (retValue != null) {\n        // a number or string (in oridinal dimension)?\n        if (typeof retValue !== 'object') {\n          tmpRetValue[0] = retValue;\n          retValue = tmpRetValue;\n        }\n\n        var rawIndex = this.getRawIndex(dataIndex);\n\n        for (var i = 0; i < retValue.length; i++) {\n          var dim = dimNames[i];\n          var val = retValue[i];\n          var rawExtentOnDim = rawExtent[dim];\n          var dimStore = storage[dim];\n\n          if (dimStore) {\n            dimStore[rawIndex] = val;\n          }\n\n          if (val < rawExtentOnDim[0]) {\n            rawExtentOnDim[0] = val;\n          }\n\n          if (val > rawExtentOnDim[1]) {\n            rawExtentOnDim[1] = val;\n          }\n        }\n      }\n    }\n\n    return list;\n  };\n  /**\n   * Large data down sampling on given dimension\n   * @param sampleIndex Sample index for name and id\n   */\n\n\n  List.prototype.downSample = function (dimension, rate, sampleValue, sampleIndex) {\n    var list = cloneListForMapAndSample(this, [dimension]);\n    var targetStorage = list._storage;\n    var frameValues = [];\n    var frameSize = mathFloor(1 / rate);\n    var dimStore = targetStorage[dimension];\n    var len = this.count();\n    var rawExtentOnDim = list._rawExtent[dimension];\n    var newIndices = new (getIndicesCtor(this))(len);\n    var offset = 0;\n\n    for (var i = 0; i < len; i += frameSize) {\n      // Last frame\n      if (frameSize > len - i) {\n        frameSize = len - i;\n        frameValues.length = frameSize;\n      }\n\n      for (var k = 0; k < frameSize; k++) {\n        var dataIdx = this.getRawIndex(i + k);\n        frameValues[k] = dimStore[dataIdx];\n      }\n\n      var value = sampleValue(frameValues);\n      var sampleFrameIdx = this.getRawIndex(Math.min(i + sampleIndex(frameValues, value) || 0, len - 1)); // Only write value on the filtered data\n\n      dimStore[sampleFrameIdx] = value;\n\n      if (value < rawExtentOnDim[0]) {\n        rawExtentOnDim[0] = value;\n      }\n\n      if (value > rawExtentOnDim[1]) {\n        rawExtentOnDim[1] = value;\n      }\n\n      newIndices[offset++] = sampleFrameIdx;\n    }\n\n    list._count = offset;\n    list._indices = newIndices;\n    list.getRawIndex = getRawIndexWithIndices;\n    return list;\n  };\n  /**\n   * Large data down sampling using largest-triangle-three-buckets\n   * @param {string} valueDimension\n   * @param {number} targetCount\n   */\n\n\n  List.prototype.lttbDownSample = function (valueDimension, rate) {\n    var list = cloneListForMapAndSample(this, []);\n    var targetStorage = list._storage;\n    var dimStore = targetStorage[valueDimension];\n    var len = this.count();\n    var newIndices = new (getIndicesCtor(this))(len);\n    var sampledIndex = 0;\n    var frameSize = mathFloor(1 / rate);\n    var currentRawIndex = this.getRawIndex(0);\n    var maxArea;\n    var area;\n    var nextRawIndex; // First frame use the first data.\n\n    newIndices[sampledIndex++] = currentRawIndex;\n\n    for (var i = 1; i < len - 1; i += frameSize) {\n      var nextFrameStart = Math.min(i + frameSize, len - 1);\n      var nextFrameEnd = Math.min(i + frameSize * 2, len);\n      var avgX = (nextFrameEnd + nextFrameStart) / 2;\n      var avgY = 0;\n\n      for (var idx = nextFrameStart; idx < nextFrameEnd; idx++) {\n        var rawIndex = this.getRawIndex(idx);\n        var y = dimStore[rawIndex];\n\n        if (isNaN(y)) {\n          continue;\n        }\n\n        avgY += y;\n      }\n\n      avgY /= nextFrameEnd - nextFrameStart;\n      var frameStart = i;\n      var frameEnd = Math.min(i + frameSize, len);\n      var pointAX = i - 1;\n      var pointAY = dimStore[currentRawIndex];\n      maxArea = -1;\n      nextRawIndex = frameStart; // Find a point from current frame that construct a triangel with largest area with previous selected point\n      // And the average of next frame.\n\n      for (var idx = frameStart; idx < frameEnd; idx++) {\n        var rawIndex = this.getRawIndex(idx);\n        var y = dimStore[rawIndex];\n\n        if (isNaN(y)) {\n          continue;\n        } // Calculate triangle area over three buckets\n\n\n        area = Math.abs((pointAX - avgX) * (y - pointAY) - (pointAX - idx) * (avgY - pointAY));\n\n        if (area > maxArea) {\n          maxArea = area;\n          nextRawIndex = rawIndex; // Next a is this b\n        }\n      }\n\n      newIndices[sampledIndex++] = nextRawIndex;\n      currentRawIndex = nextRawIndex; // This a is the next a (chosen b)\n    } // First frame use the last data.\n\n\n    newIndices[sampledIndex++] = this.getRawIndex(len - 1);\n    list._count = sampledIndex;\n    list._indices = newIndices;\n    list.getRawIndex = getRawIndexWithIndices;\n    return list;\n  };\n  /**\n   * Get model of one data item.\n   */\n  // TODO: Type of data item\n\n\n  List.prototype.getItemModel = function (idx) {\n    var hostModel = this.hostModel;\n    var dataItem = this.getRawDataItem(idx);\n    return new Model(dataItem, hostModel, hostModel && hostModel.ecModel);\n  };\n  /**\n   * Create a data differ\n   */\n\n\n  List.prototype.diff = function (otherList) {\n    var thisList = this;\n    return new DataDiffer(otherList ? otherList.getIndices() : [], this.getIndices(), function (idx) {\n      return getId(otherList, idx);\n    }, function (idx) {\n      return getId(thisList, idx);\n    });\n  };\n  /**\n   * Get visual property.\n   */\n\n\n  List.prototype.getVisual = function (key) {\n    var visual = this._visual;\n    return visual && visual[key];\n  };\n\n  List.prototype.setVisual = function (kvObj, val) {\n    this._visual = this._visual || {};\n\n    if (isObject(kvObj)) {\n      zrUtil.extend(this._visual, kvObj);\n    } else {\n      this._visual[kvObj] = val;\n    }\n  };\n  /**\n   * Get visual property of single data item\n   */\n  // eslint-disable-next-line\n\n\n  List.prototype.getItemVisual = function (idx, key) {\n    var itemVisual = this._itemVisuals[idx];\n    var val = itemVisual && itemVisual[key];\n\n    if (val == null) {\n      // Use global visual property\n      return this.getVisual(key);\n    }\n\n    return val;\n  };\n  /**\n   * If exists visual property of single data item\n   */\n\n\n  List.prototype.hasItemVisual = function () {\n    return this._itemVisuals.length > 0;\n  };\n  /**\n   * Make sure itemVisual property is unique\n   */\n  // TODO: use key to save visual to reduce memory.\n\n\n  List.prototype.ensureUniqueItemVisual = function (idx, key) {\n    var itemVisuals = this._itemVisuals;\n    var itemVisual = itemVisuals[idx];\n\n    if (!itemVisual) {\n      itemVisual = itemVisuals[idx] = {};\n    }\n\n    var val = itemVisual[key];\n\n    if (val == null) {\n      val = this.getVisual(key); // TODO Performance?\n\n      if (zrUtil.isArray(val)) {\n        val = val.slice();\n      } else if (isObject(val)) {\n        val = zrUtil.extend({}, val);\n      }\n\n      itemVisual[key] = val;\n    }\n\n    return val;\n  }; // eslint-disable-next-line\n\n\n  List.prototype.setItemVisual = function (idx, key, value) {\n    var itemVisual = this._itemVisuals[idx] || {};\n    this._itemVisuals[idx] = itemVisual;\n\n    if (isObject(key)) {\n      zrUtil.extend(itemVisual, key);\n    } else {\n      itemVisual[key] = value;\n    }\n  };\n  /**\n   * Clear itemVisuals and list visual.\n   */\n\n\n  List.prototype.clearAllVisual = function () {\n    this._visual = {};\n    this._itemVisuals = [];\n  };\n\n  List.prototype.setLayout = function (key, val) {\n    if (isObject(key)) {\n      for (var name_1 in key) {\n        if (key.hasOwnProperty(name_1)) {\n          this.setLayout(name_1, key[name_1]);\n        }\n      }\n\n      return;\n    }\n\n    this._layout[key] = val;\n  };\n  /**\n   * Get layout property.\n   */\n\n\n  List.prototype.getLayout = function (key) {\n    return this._layout[key];\n  };\n  /**\n   * Get layout of single data item\n   */\n\n\n  List.prototype.getItemLayout = function (idx) {\n    return this._itemLayouts[idx];\n  };\n  /**\n   * Set layout of single data item\n   */\n\n\n  List.prototype.setItemLayout = function (idx, layout, merge) {\n    this._itemLayouts[idx] = merge ? zrUtil.extend(this._itemLayouts[idx] || {}, layout) : layout;\n  };\n  /**\n   * Clear all layout of single data item\n   */\n\n\n  List.prototype.clearItemLayouts = function () {\n    this._itemLayouts.length = 0;\n  };\n  /**\n   * Set graphic element relative to data. It can be set as null\n   */\n\n\n  List.prototype.setItemGraphicEl = function (idx, el) {\n    var hostModel = this.hostModel;\n\n    if (el) {\n      var ecData = getECData(el); // Add data index and series index for indexing the data by element\n      // Useful in tooltip\n\n      ecData.dataIndex = idx;\n      ecData.dataType = this.dataType;\n      ecData.seriesIndex = hostModel && hostModel.seriesIndex; // TODO: not store dataIndex on children.\n\n      if (el.type === 'group') {\n        el.traverse(setItemDataAndSeriesIndex, el);\n      }\n    }\n\n    this._graphicEls[idx] = el;\n  };\n\n  List.prototype.getItemGraphicEl = function (idx) {\n    return this._graphicEls[idx];\n  };\n\n  List.prototype.eachItemGraphicEl = function (cb, context) {\n    zrUtil.each(this._graphicEls, function (el, idx) {\n      if (el) {\n        cb && cb.call(context, el, idx);\n      }\n    });\n  };\n  /**\n   * Shallow clone a new list except visual and layout properties, and graph elements.\n   * New list only change the indices.\n   */\n\n\n  List.prototype.cloneShallow = function (list) {\n    if (!list) {\n      var dimensionInfoList = map(this.dimensions, this.getDimensionInfo, this);\n      list = new List(dimensionInfoList, this.hostModel);\n    } // FIXME\n\n\n    list._storage = this._storage;\n    list._storageArr = this._storageArr;\n    transferProperties(list, this); // Clone will not change the data extent and indices\n\n    if (this._indices) {\n      var Ctor = this._indices.constructor;\n\n      if (Ctor === Array) {\n        var thisCount = this._indices.length;\n        list._indices = new Ctor(thisCount);\n\n        for (var i = 0; i < thisCount; i++) {\n          list._indices[i] = this._indices[i];\n        }\n      } else {\n        list._indices = new Ctor(this._indices);\n      }\n    } else {\n      list._indices = null;\n    }\n\n    list.getRawIndex = list._indices ? getRawIndexWithIndices : getRawIndexWithoutIndices;\n    return list;\n  };\n  /**\n   * Wrap some method to add more feature\n   */\n\n\n  List.prototype.wrapMethod = function (methodName, injectFunction) {\n    var originalMethod = this[methodName];\n\n    if (typeof originalMethod !== 'function') {\n      return;\n    }\n\n    this.__wrappedMethods = this.__wrappedMethods || [];\n\n    this.__wrappedMethods.push(methodName);\n\n    this[methodName] = function () {\n      var res = originalMethod.apply(this, arguments);\n      return injectFunction.apply(this, [res].concat(zrUtil.slice(arguments)));\n    };\n  }; // ----------------------------------------------------------\n  // A work around for internal method visiting private member.\n  // ----------------------------------------------------------\n\n\n  List.internalField = function () {\n    defaultDimValueGetters = {\n      arrayRows: getDimValueSimply,\n      objectRows: function (dataItem, dimName, dataIndex, dimIndex) {\n        return parseDataValue(dataItem[dimName], this._dimensionInfos[dimName]);\n      },\n      keyedColumns: getDimValueSimply,\n      original: function (dataItem, dimName, dataIndex, dimIndex) {\n        // Performance sensitive, do not use modelUtil.getDataItemValue.\n        // If dataItem is an plain object with no value field, the let `value`\n        // will be assigned with the object, but it will be tread correctly\n        // in the `convertValue`.\n        var value = dataItem && (dataItem.value == null ? dataItem : dataItem.value); // If any dataItem is like { value: 10 }\n\n        if (!this._rawData.pure && isDataItemOption(dataItem)) {\n          this.hasItemOption = true;\n        }\n\n        return parseDataValue(value instanceof Array ? value[dimIndex] // If value is a single number or something else not array.\n        : value, this._dimensionInfos[dimName]);\n      },\n      typedArray: function (dataItem, dimName, dataIndex, dimIndex) {\n        return dataItem[dimIndex];\n      }\n    };\n\n    function getDimValueSimply(dataItem, dimName, dataIndex, dimIndex) {\n      return parseDataValue(dataItem[dimIndex], this._dimensionInfos[dimName]);\n    }\n\n    prepareInvertedIndex = function (list) {\n      var invertedIndicesMap = list._invertedIndicesMap;\n      zrUtil.each(invertedIndicesMap, function (invertedIndices, dim) {\n        var dimInfo = list._dimensionInfos[dim]; // Currently, only dimensions that has ordinalMeta can create inverted indices.\n\n        var ordinalMeta = dimInfo.ordinalMeta;\n\n        if (ordinalMeta) {\n          invertedIndices = invertedIndicesMap[dim] = new CtorInt32Array(ordinalMeta.categories.length); // The default value of TypedArray is 0. To avoid miss\n          // mapping to 0, we should set it as INDEX_NOT_FOUND.\n\n          for (var i = 0; i < invertedIndices.length; i++) {\n            invertedIndices[i] = INDEX_NOT_FOUND;\n          }\n\n          for (var i = 0; i < list._count; i++) {\n            // Only support the case that all values are distinct.\n            invertedIndices[list.get(dim, i)] = i;\n          }\n        }\n      });\n    };\n\n    getIdNameFromStore = function (list, dimIdx, ordinalMeta, rawIndex) {\n      var val;\n      var chunk = list._storageArr[dimIdx];\n\n      if (chunk) {\n        val = chunk[rawIndex];\n\n        if (ordinalMeta && ordinalMeta.categories.length) {\n          val = ordinalMeta.categories[val];\n        }\n      }\n\n      return convertOptionIdName(val, null);\n    };\n\n    getIndicesCtor = function (list) {\n      // The possible max value in this._indicies is always this._rawCount despite of filtering.\n      return list._rawCount > 65535 ? CtorUint32Array : CtorUint16Array;\n    };\n\n    prepareStorage = function (storage, dimInfo, end, append) {\n      var DataCtor = dataCtors[dimInfo.type];\n      var dim = dimInfo.name;\n\n      if (append) {\n        var oldStore = storage[dim];\n        var oldLen = oldStore && oldStore.length;\n\n        if (!(oldLen === end)) {\n          var newStore = new DataCtor(end); // The cost of the copy is probably inconsiderable\n          // within the initial chunkSize.\n\n          for (var j = 0; j < oldLen; j++) {\n            newStore[j] = oldStore[j];\n          }\n\n          storage[dim] = newStore;\n        }\n      } else {\n        storage[dim] = new DataCtor(end);\n      }\n    };\n\n    getRawIndexWithoutIndices = function (idx) {\n      return idx;\n    };\n\n    getRawIndexWithIndices = function (idx) {\n      if (idx < this._count && idx >= 0) {\n        return this._indices[idx];\n      }\n\n      return -1;\n    };\n    /**\n     * @see the comment of `List['getId']`.\n     */\n\n\n    getId = function (list, rawIndex) {\n      var id = list._idList[rawIndex];\n\n      if (id == null && list._idDimIdx != null) {\n        id = getIdNameFromStore(list, list._idDimIdx, list._idOrdinalMeta, rawIndex);\n      }\n\n      if (id == null) {\n        id = ID_PREFIX + rawIndex;\n      }\n\n      return id;\n    };\n\n    normalizeDimensions = function (dimensions) {\n      if (!zrUtil.isArray(dimensions)) {\n        dimensions = dimensions != null ? [dimensions] : [];\n      }\n\n      return dimensions;\n    };\n\n    validateDimensions = function (list, dims) {\n      for (var i = 0; i < dims.length; i++) {\n        // stroage may be empty when no data, so use\n        // dimensionInfos to check.\n        if (!list._dimensionInfos[dims[i]]) {\n          console.error('Unkown dimension ' + dims[i]);\n        }\n      }\n    }; // Data in excludeDimensions is copied, otherwise transfered.\n\n\n    cloneListForMapAndSample = function (original, excludeDimensions) {\n      var allDimensions = original.dimensions;\n      var list = new List(map(allDimensions, original.getDimensionInfo, original), original.hostModel); // FIXME If needs stackedOn, value may already been stacked\n\n      transferProperties(list, original);\n      var storage = list._storage = {};\n      var originalStorage = original._storage;\n      var storageArr = list._storageArr = []; // Init storage\n\n      for (var i = 0; i < allDimensions.length; i++) {\n        var dim = allDimensions[i];\n\n        if (originalStorage[dim]) {\n          // Notice that we do not reset invertedIndicesMap here, becuase\n          // there is no scenario of mapping or sampling ordinal dimension.\n          if (zrUtil.indexOf(excludeDimensions, dim) >= 0) {\n            storage[dim] = cloneChunk(originalStorage[dim]);\n            list._rawExtent[dim] = getInitialExtent();\n            list._extent[dim] = null;\n          } else {\n            // Direct reference for other dimensions\n            storage[dim] = originalStorage[dim];\n          }\n\n          storageArr.push(storage[dim]);\n        }\n      }\n\n      return list;\n    };\n\n    function cloneChunk(originalChunk) {\n      var Ctor = originalChunk.constructor; // Only shallow clone is enough when Array.\n\n      return Ctor === Array ? originalChunk.slice() : new Ctor(originalChunk);\n    }\n\n    getInitialExtent = function () {\n      return [Infinity, -Infinity];\n    };\n\n    setItemDataAndSeriesIndex = function (child) {\n      var childECData = getECData(child);\n      var thisECData = getECData(this);\n      childECData.seriesIndex = thisECData.seriesIndex;\n      childECData.dataIndex = thisECData.dataIndex;\n      childECData.dataType = thisECData.dataType;\n    };\n\n    transferProperties = function (target, source) {\n      zrUtil.each(TRANSFERABLE_PROPERTIES.concat(source.__wrappedMethods || []), function (propName) {\n        if (source.hasOwnProperty(propName)) {\n          target[propName] = source[propName];\n        }\n      });\n      target.__wrappedMethods = source.__wrappedMethods;\n      zrUtil.each(CLONE_PROPERTIES, function (propName) {\n        target[propName] = zrUtil.clone(source[propName]);\n      });\n      target._calculationInfo = zrUtil.extend({}, source._calculationInfo);\n    };\n\n    makeIdFromName = function (list, idx) {\n      var nameList = list._nameList;\n      var idList = list._idList;\n      var nameDimIdx = list._nameDimIdx;\n      var idDimIdx = list._idDimIdx;\n      var name = nameList[idx];\n      var id = idList[idx];\n\n      if (name == null && nameDimIdx != null) {\n        nameList[idx] = name = getIdNameFromStore(list, nameDimIdx, list._nameOrdinalMeta, idx);\n      }\n\n      if (id == null && idDimIdx != null) {\n        idList[idx] = id = getIdNameFromStore(list, idDimIdx, list._idOrdinalMeta, idx);\n      }\n\n      if (id == null && name != null) {\n        var nameRepeatCount = list._nameRepeatCount;\n        var nmCnt = nameRepeatCount[name] = (nameRepeatCount[name] || 0) + 1;\n        id = name;\n\n        if (nmCnt > 1) {\n          id += '__ec__' + nmCnt;\n        }\n\n        idList[idx] = id;\n      }\n    };\n  }();\n\n  return List;\n}();\n\nexport default List;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __spreadArrays } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nvar TYPE_DELIMITER = '.';\nvar IS_CONTAINER = '___EC__COMPONENT__CONTAINER___';\nvar IS_EXTENDED_CLASS = '___EC__EXTENDED_CLASS___';\n/**\n * Notice, parseClassType('') should returns {main: '', sub: ''}\n * @public\n */\n\nexport function parseClassType(componentType) {\n  var ret = {\n    main: '',\n    sub: ''\n  };\n\n  if (componentType) {\n    var typeArr = componentType.split(TYPE_DELIMITER);\n    ret.main = typeArr[0] || '';\n    ret.sub = typeArr[1] || '';\n  }\n\n  return ret;\n}\n/**\n * @public\n */\n\nfunction checkClassType(componentType) {\n  zrUtil.assert(/^[a-zA-Z0-9_]+([.][a-zA-Z0-9_]+)?$/.test(componentType), 'componentType \"' + componentType + '\" illegal');\n}\n\nexport function isExtendedClass(clz) {\n  return !!(clz && clz[IS_EXTENDED_CLASS]);\n}\n/**\n * Implements `ExtendableConstructor` for `rootClz`.\n *\n * @usage\n * ```ts\n * class Xxx {}\n * type XxxConstructor = typeof Xxx & ExtendableConstructor\n * enableClassExtend(Xxx as XxxConstructor);\n * ```\n */\n\nexport function enableClassExtend(rootClz, mandatoryMethods) {\n  rootClz.$constructor = rootClz; // FIXME: not necessary?\n\n  rootClz.extend = function (proto) {\n    if (process.env.NODE_ENV !== 'production') {\n      zrUtil.each(mandatoryMethods, function (method) {\n        if (!proto[method]) {\n          console.warn('Method `' + method + '` should be implemented' + (proto.type ? ' in ' + proto.type : '') + '.');\n        }\n      });\n    }\n\n    var superClass = this; // For backward compat, we both support ts class inheritance and this\n    // \"extend\" approach.\n    // The constructor should keep the same behavior as ts class inheritance:\n    // If this constructor/$constructor is not declared, auto invoke the super\n    // constructor.\n    // If this constructor/$constructor is declared, it is responsible for\n    // calling the super constructor.\n\n    function ExtendedClass() {\n      var args = [];\n\n      for (var _i = 0; _i < arguments.length; _i++) {\n        args[_i] = arguments[_i];\n      }\n\n      if (!proto.$constructor) {\n        if (!isESClass(superClass)) {\n          // Will throw error if superClass is an es6 native class.\n          superClass.apply(this, arguments);\n        } else {\n          var ins = zrUtil.createObject( // @ts-ignore\n          ExtendedClass.prototype, new (superClass.bind.apply(superClass, __spreadArrays([void 0], args)))());\n          return ins;\n        }\n      } else {\n        proto.$constructor.apply(this, arguments);\n      }\n    }\n\n    ExtendedClass[IS_EXTENDED_CLASS] = true;\n    zrUtil.extend(ExtendedClass.prototype, proto);\n    ExtendedClass.extend = this.extend;\n    ExtendedClass.superCall = superCall;\n    ExtendedClass.superApply = superApply;\n    zrUtil.inherits(ExtendedClass, this);\n    ExtendedClass.superClass = superClass;\n    return ExtendedClass;\n  };\n}\n\nfunction isESClass(fn) {\n  return typeof fn === 'function' && /^class\\s/.test(Function.prototype.toString.call(fn));\n}\n/**\n * A work around to both support ts extend and this extend mechanism.\n * on sub-class.\n * @usage\n * ```ts\n * class Component { ... }\n * classUtil.enableClassExtend(Component);\n * classUtil.enableClassManagement(Component, {registerWhenExtend: true});\n *\n * class Series extends Component { ... }\n * // Without calling `markExtend`, `registerWhenExtend` will not work.\n * Component.markExtend(Series);\n * ```\n */\n\n\nexport function mountExtend(SubClz, SupperClz) {\n  SubClz.extend = SupperClz.extend;\n} // A random offset.\n\nvar classBase = Math.round(Math.random() * 10);\n/**\n * Implements `CheckableConstructor` for `target`.\n * Can not use instanceof, consider different scope by\n * cross domain or es module import in ec extensions.\n * Mount a method \"isInstance()\" to Clz.\n *\n * @usage\n * ```ts\n * class Xxx {}\n * type XxxConstructor = typeof Xxx & CheckableConstructor;\n * enableClassCheck(Xxx as XxxConstructor)\n * ```\n */\n\nexport function enableClassCheck(target) {\n  var classAttr = ['__\\0is_clz', classBase++].join('_');\n  target.prototype[classAttr] = true;\n\n  if (process.env.NODE_ENV !== 'production') {\n    zrUtil.assert(!target.isInstance, 'The method \"is\" can not be defined.');\n  }\n\n  target.isInstance = function (obj) {\n    return !!(obj && obj[classAttr]);\n  };\n} // superCall should have class info, which can not be fetch from 'this'.\n// Consider this case:\n// class A has method f,\n// class B inherits class A, overrides method f, f call superApply('f'),\n// class C inherits class B, do not overrides method f,\n// then when method of class C is called, dead loop occured.\n\nfunction superCall(context, methodName) {\n  var args = [];\n\n  for (var _i = 2; _i < arguments.length; _i++) {\n    args[_i - 2] = arguments[_i];\n  }\n\n  return this.superClass.prototype[methodName].apply(context, args);\n}\n\nfunction superApply(context, methodName, args) {\n  return this.superClass.prototype[methodName].apply(context, args);\n}\n/**\n * Implements `ClassManager` for `target`\n *\n * @usage\n * ```ts\n * class Xxx {}\n * type XxxConstructor = typeof Xxx & ClassManager\n * enableClassManagement(Xxx as XxxConstructor);\n * ```\n */\n\n\nexport function enableClassManagement(target) {\n  /**\n   * Component model classes\n   * key: componentType,\n   * value:\n   *     componentClass, when componentType is 'xxx'\n   *     or Object.<subKey, componentClass>, when componentType is 'xxx.yy'\n   */\n  var storage = {};\n\n  target.registerClass = function (clz) {\n    // `type` should not be a \"instance memeber\".\n    // If using TS class, should better declared as `static type = 'series.pie'`.\n    // otherwise users have to mount `type` on prototype manually.\n    // For backward compat and enable instance visit type via `this.type`,\n    // we stil support fetch `type` from prototype.\n    var componentFullType = clz.type || clz.prototype.type;\n\n    if (componentFullType) {\n      checkClassType(componentFullType); // If only static type declared, we assign it to prototype mandatorily.\n\n      clz.prototype.type = componentFullType;\n      var componentTypeInfo = parseClassType(componentFullType);\n\n      if (!componentTypeInfo.sub) {\n        if (process.env.NODE_ENV !== 'production') {\n          if (storage[componentTypeInfo.main]) {\n            console.warn(componentTypeInfo.main + ' exists.');\n          }\n        }\n\n        storage[componentTypeInfo.main] = clz;\n      } else if (componentTypeInfo.sub !== IS_CONTAINER) {\n        var container = makeContainer(componentTypeInfo);\n        container[componentTypeInfo.sub] = clz;\n      }\n    }\n\n    return clz;\n  };\n\n  target.getClass = function (mainType, subType, throwWhenNotFound) {\n    var clz = storage[mainType];\n\n    if (clz && clz[IS_CONTAINER]) {\n      clz = subType ? clz[subType] : null;\n    }\n\n    if (throwWhenNotFound && !clz) {\n      throw new Error(!subType ? mainType + '.' + 'type should be specified.' : 'Component ' + mainType + '.' + (subType || '') + ' is used but not imported.');\n    }\n\n    return clz;\n  };\n\n  target.getClassesByMainType = function (componentType) {\n    var componentTypeInfo = parseClassType(componentType);\n    var result = [];\n    var obj = storage[componentTypeInfo.main];\n\n    if (obj && obj[IS_CONTAINER]) {\n      zrUtil.each(obj, function (o, type) {\n        type !== IS_CONTAINER && result.push(o);\n      });\n    } else {\n      result.push(obj);\n    }\n\n    return result;\n  };\n\n  target.hasClass = function (componentType) {\n    // Just consider componentType.main.\n    var componentTypeInfo = parseClassType(componentType);\n    return !!storage[componentTypeInfo.main];\n  };\n  /**\n   * @return Like ['aa', 'bb'], but can not be ['aa.xx']\n   */\n\n\n  target.getAllClassMainTypes = function () {\n    var types = [];\n    zrUtil.each(storage, function (obj, type) {\n      types.push(type);\n    });\n    return types;\n  };\n  /**\n   * If a main type is container and has sub types\n   */\n\n\n  target.hasSubTypes = function (componentType) {\n    var componentTypeInfo = parseClassType(componentType);\n    var obj = storage[componentTypeInfo.main];\n    return obj && obj[IS_CONTAINER];\n  };\n\n  function makeContainer(componentTypeInfo) {\n    var container = storage[componentTypeInfo.main];\n\n    if (!container || !container[IS_CONTAINER]) {\n      container = storage[componentTypeInfo.main] = {};\n      container[IS_CONTAINER] = true;\n    }\n\n    return container;\n  }\n} // /**\n//  * @param {string|Array.<string>} properties\n//  */\n// export function setReadOnly(obj, properties) {\n// FIXME It seems broken in IE8 simulation of IE11\n// if (!zrUtil.isArray(properties)) {\n//     properties = properties != null ? [properties] : [];\n// }\n// zrUtil.each(properties, function (prop) {\n//     let value = obj[prop];\n//     Object.defineProperty\n//         && Object.defineProperty(obj, prop, {\n//             value: value, writable: false\n//         });\n//     zrUtil.isArray(obj[prop])\n//         && Object.freeze\n//         && Object.freeze(obj[prop]);\n// });\n// }","var LN2 = Math.log(2);\nfunction determinant(rows, rank, rowStart, rowMask, colMask, detCache) {\n    var cacheKey = rowMask + '-' + colMask;\n    var fullRank = rows.length;\n    if (detCache.hasOwnProperty(cacheKey)) {\n        return detCache[cacheKey];\n    }\n    if (rank === 1) {\n        var colStart = Math.round(Math.log(((1 << fullRank) - 1) & ~colMask) / LN2);\n        return rows[rowStart][colStart];\n    }\n    var subRowMask = rowMask | (1 << rowStart);\n    var subRowStart = rowStart + 1;\n    while (rowMask & (1 << subRowStart)) {\n        subRowStart++;\n    }\n    var sum = 0;\n    for (var j = 0, colLocalIdx = 0; j < fullRank; j++) {\n        var colTag = 1 << j;\n        if (!(colTag & colMask)) {\n            sum += (colLocalIdx % 2 ? -1 : 1) * rows[rowStart][j]\n                * determinant(rows, rank - 1, subRowStart, subRowMask, colMask | colTag, detCache);\n            colLocalIdx++;\n        }\n    }\n    detCache[cacheKey] = sum;\n    return sum;\n}\nexport function buildTransformer(src, dest) {\n    var mA = [\n        [src[0], src[1], 1, 0, 0, 0, -dest[0] * src[0], -dest[0] * src[1]],\n        [0, 0, 0, src[0], src[1], 1, -dest[1] * src[0], -dest[1] * src[1]],\n        [src[2], src[3], 1, 0, 0, 0, -dest[2] * src[2], -dest[2] * src[3]],\n        [0, 0, 0, src[2], src[3], 1, -dest[3] * src[2], -dest[3] * src[3]],\n        [src[4], src[5], 1, 0, 0, 0, -dest[4] * src[4], -dest[4] * src[5]],\n        [0, 0, 0, src[4], src[5], 1, -dest[5] * src[4], -dest[5] * src[5]],\n        [src[6], src[7], 1, 0, 0, 0, -dest[6] * src[6], -dest[6] * src[7]],\n        [0, 0, 0, src[6], src[7], 1, -dest[7] * src[6], -dest[7] * src[7]]\n    ];\n    var detCache = {};\n    var det = determinant(mA, 8, 0, 0, 0, detCache);\n    if (det === 0) {\n        return;\n    }\n    var vh = [];\n    for (var i = 0; i < 8; i++) {\n        for (var j = 0; j < 8; j++) {\n            vh[j] == null && (vh[j] = 0);\n            vh[j] += ((i + j) % 2 ? -1 : 1)\n                * determinant(mA, 7, i === 0 ? 1 : 0, 1 << i, 1 << j, detCache)\n                / det * dest[i];\n        }\n    }\n    return function (out, srcPointX, srcPointY) {\n        var pk = srcPointX * vh[6] + srcPointY * vh[7] + 1;\n        out[0] = (srcPointX * vh[0] + srcPointY * vh[1] + vh[2]) / pk;\n        out[1] = (srcPointX * vh[3] + srcPointY * vh[4] + vh[5]) / pk;\n    };\n}\n","import env from './env';\nimport { buildTransformer } from './fourPointsTransform';\nvar EVENT_SAVED_PROP = '___zrEVENTSAVED';\nvar _calcOut = [];\nexport function transformLocalCoord(out, elFrom, elTarget, inX, inY) {\n    return transformCoordWithViewport(_calcOut, elFrom, inX, inY, true)\n        && transformCoordWithViewport(out, elTarget, _calcOut[0], _calcOut[1]);\n}\nexport function transformCoordWithViewport(out, el, inX, inY, inverse) {\n    if (el.getBoundingClientRect && env.domSupported && !isCanvasEl(el)) {\n        var saved = el[EVENT_SAVED_PROP] || (el[EVENT_SAVED_PROP] = {});\n        var markers = prepareCoordMarkers(el, saved);\n        var transformer = preparePointerTransformer(markers, saved, inverse);\n        if (transformer) {\n            transformer(out, inX, inY);\n            return true;\n        }\n    }\n    return false;\n}\nfunction prepareCoordMarkers(el, saved) {\n    var markers = saved.markers;\n    if (markers) {\n        return markers;\n    }\n    markers = saved.markers = [];\n    var propLR = ['left', 'right'];\n    var propTB = ['top', 'bottom'];\n    for (var i = 0; i < 4; i++) {\n        var marker = document.createElement('div');\n        var stl = marker.style;\n        var idxLR = i % 2;\n        var idxTB = (i >> 1) % 2;\n        stl.cssText = [\n            'position: absolute',\n            'visibility: hidden',\n            'padding: 0',\n            'margin: 0',\n            'border-width: 0',\n            'user-select: none',\n            'width:0',\n            'height:0',\n            propLR[idxLR] + ':0',\n            propTB[idxTB] + ':0',\n            propLR[1 - idxLR] + ':auto',\n            propTB[1 - idxTB] + ':auto',\n            ''\n        ].join('!important;');\n        el.appendChild(marker);\n        markers.push(marker);\n    }\n    return markers;\n}\nfunction preparePointerTransformer(markers, saved, inverse) {\n    var transformerName = inverse ? 'invTrans' : 'trans';\n    var transformer = saved[transformerName];\n    var oldSrcCoords = saved.srcCoords;\n    var srcCoords = [];\n    var destCoords = [];\n    var oldCoordTheSame = true;\n    for (var i = 0; i < 4; i++) {\n        var rect = markers[i].getBoundingClientRect();\n        var ii = 2 * i;\n        var x = rect.left;\n        var y = rect.top;\n        srcCoords.push(x, y);\n        oldCoordTheSame = oldCoordTheSame && oldSrcCoords && x === oldSrcCoords[ii] && y === oldSrcCoords[ii + 1];\n        destCoords.push(markers[i].offsetLeft, markers[i].offsetTop);\n    }\n    return (oldCoordTheSame && transformer)\n        ? transformer\n        : (saved.srcCoords = srcCoords,\n            saved[transformerName] = inverse\n                ? buildTransformer(destCoords, srcCoords)\n                : buildTransformer(srcCoords, destCoords));\n}\nexport function isCanvasEl(el) {\n    return el.nodeName.toUpperCase() === 'CANVAS';\n}\n","import { Injectable, NgZone, Inject, ɵɵdefineInjectable, ɵɵinject, InjectionToken, Directive, ElementRef, Optional, Input, TemplateRef, EventEmitter, isDevMode, SkipSelf, ViewContainerRef, ChangeDetectorRef, ContentChildren, ContentChild, Output, NgModule } from '@angular/core';\nimport { DOCUMENT } from '@angular/common';\nimport { ViewportRuler } from '@angular/cdk/scrolling';\nimport { normalizePassiveListenerOptions, _supportsShadowDom } from '@angular/cdk/platform';\nimport { coerceBooleanProperty, coerceElement, coerceNumberProperty, coerceArray } from '@angular/cdk/coercion';\nimport { Subject, Subscription, interval, animationFrameScheduler, Observable, merge } from 'rxjs';\nimport { startWith, takeUntil, map, take, tap, switchMap } from 'rxjs/operators';\nimport { __read, __spread } from 'tslib';\nimport { Directionality } from '@angular/cdk/bidi';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Shallow-extends a stylesheet object with another stylesheet object.\n * @docs-private\n */\nfunction extendStyles(dest, source) {\n    for (var key in source) {\n        if (source.hasOwnProperty(key)) {\n            dest[key] = source[key];\n        }\n    }\n    return dest;\n}\n/**\n * Toggles whether the native drag interactions should be enabled for an element.\n * @param element Element on which to toggle the drag interactions.\n * @param enable Whether the drag interactions should be enabled.\n * @docs-private\n */\nfunction toggleNativeDragInteractions(element, enable) {\n    var userSelect = enable ? '' : 'none';\n    extendStyles(element.style, {\n        touchAction: enable ? '' : 'none',\n        webkitUserDrag: enable ? '' : 'none',\n        webkitTapHighlightColor: enable ? '' : 'transparent',\n        userSelect: userSelect,\n        msUserSelect: userSelect,\n        webkitUserSelect: userSelect,\n        MozUserSelect: userSelect\n    });\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Parses a CSS time value to milliseconds. */\nfunction parseCssTimeUnitsToMs(value) {\n    // Some browsers will return it in seconds, whereas others will return milliseconds.\n    var multiplier = value.toLowerCase().indexOf('ms') > -1 ? 1 : 1000;\n    return parseFloat(value) * multiplier;\n}\n/** Gets the transform transition duration, including the delay, of an element in milliseconds. */\nfunction getTransformTransitionDurationInMs(element) {\n    var computedStyle = getComputedStyle(element);\n    var transitionedProperties = parseCssPropertyValue(computedStyle, 'transition-property');\n    var property = transitionedProperties.find(function (prop) { return prop === 'transform' || prop === 'all'; });\n    // If there's no transition for `all` or `transform`, we shouldn't do anything.\n    if (!property) {\n        return 0;\n    }\n    // Get the index of the property that we're interested in and match\n    // it up to the same index in `transition-delay` and `transition-duration`.\n    var propertyIndex = transitionedProperties.indexOf(property);\n    var rawDurations = parseCssPropertyValue(computedStyle, 'transition-duration');\n    var rawDelays = parseCssPropertyValue(computedStyle, 'transition-delay');\n    return parseCssTimeUnitsToMs(rawDurations[propertyIndex]) +\n        parseCssTimeUnitsToMs(rawDelays[propertyIndex]);\n}\n/** Parses out multiple values from a computed style into an array. */\nfunction parseCssPropertyValue(computedStyle, name) {\n    var value = computedStyle.getPropertyValue(name);\n    return value.split(',').map(function (part) { return part.trim(); });\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Options that can be used to bind a passive event listener. */\nvar passiveEventListenerOptions = normalizePassiveListenerOptions({ passive: true });\n/** Options that can be used to bind an active event listener. */\nvar activeEventListenerOptions = normalizePassiveListenerOptions({ passive: false });\n/**\n * Time in milliseconds for which to ignore mouse events, after\n * receiving a touch event. Used to avoid doing double work for\n * touch devices where the browser fires fake mouse events, in\n * addition to touch events.\n */\nvar MOUSE_EVENT_IGNORE_TIME = 800;\n/**\n * Reference to a draggable item. Used to manipulate or dispose of the item.\n */\nvar DragRef = /** @class */ (function () {\n    function DragRef(element, _config, _document, _ngZone, _viewportRuler, _dragDropRegistry) {\n        var _this = this;\n        this._config = _config;\n        this._document = _document;\n        this._ngZone = _ngZone;\n        this._viewportRuler = _viewportRuler;\n        this._dragDropRegistry = _dragDropRegistry;\n        /**\n         * CSS `transform` applied to the element when it isn't being dragged. We need a\n         * passive transform in order for the dragged element to retain its new position\n         * after the user has stopped dragging and because we need to know the relative\n         * position in case they start dragging again. This corresponds to `element.style.transform`.\n         */\n        this._passiveTransform = { x: 0, y: 0 };\n        /** CSS `transform` that is applied to the element while it's being dragged. */\n        this._activeTransform = { x: 0, y: 0 };\n        /** Emits when the item is being moved. */\n        this._moveEvents = new Subject();\n        /** Subscription to pointer movement events. */\n        this._pointerMoveSubscription = Subscription.EMPTY;\n        /** Subscription to the event that is dispatched when the user lifts their pointer. */\n        this._pointerUpSubscription = Subscription.EMPTY;\n        /** Subscription to the viewport being scrolled. */\n        this._scrollSubscription = Subscription.EMPTY;\n        /** Subscription to the viewport being resized. */\n        this._resizeSubscription = Subscription.EMPTY;\n        /** Cached reference to the boundary element. */\n        this._boundaryElement = null;\n        /** Whether the native dragging interactions have been enabled on the root element. */\n        this._nativeInteractionsEnabled = true;\n        /** Elements that can be used to drag the draggable item. */\n        this._handles = [];\n        /** Registered handles that are currently disabled. */\n        this._disabledHandles = new Set();\n        /** Layout direction of the item. */\n        this._direction = 'ltr';\n        /**\n         * Amount of milliseconds to wait after the user has put their\n         * pointer down before starting to drag the element.\n         */\n        this.dragStartDelay = 0;\n        this._disabled = false;\n        /** Emits as the drag sequence is being prepared. */\n        this.beforeStarted = new Subject();\n        /** Emits when the user starts dragging the item. */\n        this.started = new Subject();\n        /** Emits when the user has released a drag item, before any animations have started. */\n        this.released = new Subject();\n        /** Emits when the user stops dragging an item in the container. */\n        this.ended = new Subject();\n        /** Emits when the user has moved the item into a new container. */\n        this.entered = new Subject();\n        /** Emits when the user removes the item its container by dragging it into another container. */\n        this.exited = new Subject();\n        /** Emits when the user drops the item inside a container. */\n        this.dropped = new Subject();\n        /**\n         * Emits as the user is dragging the item. Use with caution,\n         * because this event will fire for every pixel that the user has dragged.\n         */\n        this.moved = this._moveEvents.asObservable();\n        /** Handler for the `mousedown`/`touchstart` events. */\n        this._pointerDown = function (event) {\n            _this.beforeStarted.next();\n            // Delegate the event based on whether it started from a handle or the element itself.\n            if (_this._handles.length) {\n                var targetHandle = _this._handles.find(function (handle) {\n                    var target = event.target;\n                    return !!target && (target === handle || handle.contains(target));\n                });\n                if (targetHandle && !_this._disabledHandles.has(targetHandle) && !_this.disabled) {\n                    _this._initializeDragSequence(targetHandle, event);\n                }\n            }\n            else if (!_this.disabled) {\n                _this._initializeDragSequence(_this._rootElement, event);\n            }\n        };\n        /** Handler that is invoked when the user moves their pointer after they've initiated a drag. */\n        this._pointerMove = function (event) {\n            // Prevent the default action as early as possible in order to block\n            // native actions like dragging the selected text or images with the mouse.\n            event.preventDefault();\n            if (!_this._hasStartedDragging) {\n                var pointerPosition = _this._getPointerPositionOnPage(event);\n                var distanceX = Math.abs(pointerPosition.x - _this._pickupPositionOnPage.x);\n                var distanceY = Math.abs(pointerPosition.y - _this._pickupPositionOnPage.y);\n                var isOverThreshold = distanceX + distanceY >= _this._config.dragStartThreshold;\n                // Only start dragging after the user has moved more than the minimum distance in either\n                // direction. Note that this is preferrable over doing something like `skip(minimumDistance)`\n                // in the `pointerMove` subscription, because we're not guaranteed to have one move event\n                // per pixel of movement (e.g. if the user moves their pointer quickly).\n                if (isOverThreshold) {\n                    var isDelayElapsed = Date.now() >= _this._dragStartTime + _this._getDragStartDelay(event);\n                    if (!isDelayElapsed) {\n                        _this._endDragSequence(event);\n                        return;\n                    }\n                    // Prevent other drag sequences from starting while something in the container is still\n                    // being dragged. This can happen while we're waiting for the drop animation to finish\n                    // and can cause errors, because some elements might still be moving around.\n                    if (!_this._dropContainer || !_this._dropContainer.isDragging()) {\n                        _this._hasStartedDragging = true;\n                        _this._ngZone.run(function () { return _this._startDragSequence(event); });\n                    }\n                }\n                return;\n            }\n            // We only need the preview dimensions if we have a boundary element.\n            if (_this._boundaryElement) {\n                // Cache the preview element rect if we haven't cached it already or if\n                // we cached it too early before the element dimensions were computed.\n                if (!_this._previewRect || (!_this._previewRect.width && !_this._previewRect.height)) {\n                    _this._previewRect = (_this._preview || _this._rootElement).getBoundingClientRect();\n                }\n            }\n            var constrainedPointerPosition = _this._getConstrainedPointerPosition(event);\n            _this._hasMoved = true;\n            _this._updatePointerDirectionDelta(constrainedPointerPosition);\n            if (_this._dropContainer) {\n                _this._updateActiveDropContainer(constrainedPointerPosition);\n            }\n            else {\n                var activeTransform = _this._activeTransform;\n                activeTransform.x =\n                    constrainedPointerPosition.x - _this._pickupPositionOnPage.x + _this._passiveTransform.x;\n                activeTransform.y =\n                    constrainedPointerPosition.y - _this._pickupPositionOnPage.y + _this._passiveTransform.y;\n                _this._applyRootElementTransform(activeTransform.x, activeTransform.y);\n                // Apply transform as attribute if dragging and svg element to work for IE\n                if (typeof SVGElement !== 'undefined' && _this._rootElement instanceof SVGElement) {\n                    var appliedTransform = \"translate(\" + activeTransform.x + \" \" + activeTransform.y + \")\";\n                    _this._rootElement.setAttribute('transform', appliedTransform);\n                }\n            }\n            // Since this event gets fired for every pixel while dragging, we only\n            // want to fire it if the consumer opted into it. Also we have to\n            // re-enter the zone because we run all of the events on the outside.\n            if (_this._moveEvents.observers.length) {\n                _this._ngZone.run(function () {\n                    _this._moveEvents.next({\n                        source: _this,\n                        pointerPosition: constrainedPointerPosition,\n                        event: event,\n                        distance: _this._getDragDistance(constrainedPointerPosition),\n                        delta: _this._pointerDirectionDelta\n                    });\n                });\n            }\n        };\n        /** Handler that is invoked when the user lifts their pointer up, after initiating a drag. */\n        this._pointerUp = function (event) {\n            _this._endDragSequence(event);\n        };\n        this.withRootElement(element);\n        _dragDropRegistry.registerDragItem(this);\n    }\n    Object.defineProperty(DragRef.prototype, \"disabled\", {\n        /** Whether starting to drag this element is disabled. */\n        get: function () {\n            return this._disabled || !!(this._dropContainer && this._dropContainer.disabled);\n        },\n        set: function (value) {\n            var newValue = coerceBooleanProperty(value);\n            if (newValue !== this._disabled) {\n                this._disabled = newValue;\n                this._toggleNativeDragInteractions();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Returns the element that is being used as a placeholder\n     * while the current element is being dragged.\n     */\n    DragRef.prototype.getPlaceholderElement = function () {\n        return this._placeholder;\n    };\n    /** Returns the root draggable element. */\n    DragRef.prototype.getRootElement = function () {\n        return this._rootElement;\n    };\n    /** Registers the handles that can be used to drag the element. */\n    DragRef.prototype.withHandles = function (handles) {\n        this._handles = handles.map(function (handle) { return coerceElement(handle); });\n        this._handles.forEach(function (handle) { return toggleNativeDragInteractions(handle, false); });\n        this._toggleNativeDragInteractions();\n        return this;\n    };\n    /**\n     * Registers the template that should be used for the drag preview.\n     * @param template Template that from which to stamp out the preview.\n     */\n    DragRef.prototype.withPreviewTemplate = function (template) {\n        this._previewTemplate = template;\n        return this;\n    };\n    /**\n     * Registers the template that should be used for the drag placeholder.\n     * @param template Template that from which to stamp out the placeholder.\n     */\n    DragRef.prototype.withPlaceholderTemplate = function (template) {\n        this._placeholderTemplate = template;\n        return this;\n    };\n    /**\n     * Sets an alternate drag root element. The root element is the element that will be moved as\n     * the user is dragging. Passing an alternate root element is useful when trying to enable\n     * dragging on an element that you might not have access to.\n     */\n    DragRef.prototype.withRootElement = function (rootElement) {\n        var element = coerceElement(rootElement);\n        if (element !== this._rootElement) {\n            if (this._rootElement) {\n                this._removeRootElementListeners(this._rootElement);\n            }\n            element.addEventListener('mousedown', this._pointerDown, activeEventListenerOptions);\n            element.addEventListener('touchstart', this._pointerDown, passiveEventListenerOptions);\n            this._initialTransform = undefined;\n            this._rootElement = element;\n        }\n        return this;\n    };\n    /**\n     * Element to which the draggable's position will be constrained.\n     */\n    DragRef.prototype.withBoundaryElement = function (boundaryElement) {\n        var _this = this;\n        this._boundaryElement = boundaryElement ? coerceElement(boundaryElement) : null;\n        this._resizeSubscription.unsubscribe();\n        if (boundaryElement) {\n            this._resizeSubscription = this._viewportRuler\n                .change(10)\n                .subscribe(function () { return _this._containInsideBoundaryOnResize(); });\n        }\n        return this;\n    };\n    /** Removes the dragging functionality from the DOM element. */\n    DragRef.prototype.dispose = function () {\n        this._removeRootElementListeners(this._rootElement);\n        // Do this check before removing from the registry since it'll\n        // stop being considered as dragged once it is removed.\n        if (this.isDragging()) {\n            // Since we move out the element to the end of the body while it's being\n            // dragged, we have to make sure that it's removed if it gets destroyed.\n            removeNode(this._rootElement);\n        }\n        removeNode(this._anchor);\n        this._destroyPreview();\n        this._destroyPlaceholder();\n        this._dragDropRegistry.removeDragItem(this);\n        this._removeSubscriptions();\n        this.beforeStarted.complete();\n        this.started.complete();\n        this.released.complete();\n        this.ended.complete();\n        this.entered.complete();\n        this.exited.complete();\n        this.dropped.complete();\n        this._moveEvents.complete();\n        this._handles = [];\n        this._disabledHandles.clear();\n        this._dropContainer = undefined;\n        this._resizeSubscription.unsubscribe();\n        this._boundaryElement = this._rootElement = this._placeholderTemplate =\n            this._previewTemplate = this._anchor = null;\n    };\n    /** Checks whether the element is currently being dragged. */\n    DragRef.prototype.isDragging = function () {\n        return this._hasStartedDragging && this._dragDropRegistry.isDragging(this);\n    };\n    /** Resets a standalone drag item to its initial position. */\n    DragRef.prototype.reset = function () {\n        this._rootElement.style.transform = this._initialTransform || '';\n        this._activeTransform = { x: 0, y: 0 };\n        this._passiveTransform = { x: 0, y: 0 };\n    };\n    /**\n     * Sets a handle as disabled. While a handle is disabled, it'll capture and interrupt dragging.\n     * @param handle Handle element that should be disabled.\n     */\n    DragRef.prototype.disableHandle = function (handle) {\n        if (this._handles.indexOf(handle) > -1) {\n            this._disabledHandles.add(handle);\n        }\n    };\n    /**\n     * Enables a handle, if it has been disabled.\n     * @param handle Handle element to be enabled.\n     */\n    DragRef.prototype.enableHandle = function (handle) {\n        this._disabledHandles.delete(handle);\n    };\n    /** Sets the layout direction of the draggable item. */\n    DragRef.prototype.withDirection = function (direction) {\n        this._direction = direction;\n        return this;\n    };\n    /** Sets the container that the item is part of. */\n    DragRef.prototype._withDropContainer = function (container) {\n        this._dropContainer = container;\n    };\n    /**\n     * Gets the current position in pixels the draggable outside of a drop container.\n     */\n    DragRef.prototype.getFreeDragPosition = function () {\n        var position = this.isDragging() ? this._activeTransform : this._passiveTransform;\n        return { x: position.x, y: position.y };\n    };\n    /**\n     * Sets the current position in pixels the draggable outside of a drop container.\n     * @param value New position to be set.\n     */\n    DragRef.prototype.setFreeDragPosition = function (value) {\n        this._activeTransform = { x: 0, y: 0 };\n        this._passiveTransform.x = value.x;\n        this._passiveTransform.y = value.y;\n        if (!this._dropContainer) {\n            this._applyRootElementTransform(value.x, value.y);\n        }\n        return this;\n    };\n    /** Updates the item's sort order based on the last-known pointer position. */\n    DragRef.prototype._sortFromLastPointerPosition = function () {\n        var position = this._pointerPositionAtLastDirectionChange;\n        if (position && this._dropContainer) {\n            this._updateActiveDropContainer(position);\n        }\n    };\n    /** Unsubscribes from the global subscriptions. */\n    DragRef.prototype._removeSubscriptions = function () {\n        this._pointerMoveSubscription.unsubscribe();\n        this._pointerUpSubscription.unsubscribe();\n        this._scrollSubscription.unsubscribe();\n    };\n    /** Destroys the preview element and its ViewRef. */\n    DragRef.prototype._destroyPreview = function () {\n        if (this._preview) {\n            removeNode(this._preview);\n        }\n        if (this._previewRef) {\n            this._previewRef.destroy();\n        }\n        this._preview = this._previewRef = null;\n    };\n    /** Destroys the placeholder element and its ViewRef. */\n    DragRef.prototype._destroyPlaceholder = function () {\n        if (this._placeholder) {\n            removeNode(this._placeholder);\n        }\n        if (this._placeholderRef) {\n            this._placeholderRef.destroy();\n        }\n        this._placeholder = this._placeholderRef = null;\n    };\n    /**\n     * Clears subscriptions and stops the dragging sequence.\n     * @param event Browser event object that ended the sequence.\n     */\n    DragRef.prototype._endDragSequence = function (event) {\n        var _this = this;\n        // Note that here we use `isDragging` from the service, rather than from `this`.\n        // The difference is that the one from the service reflects whether a dragging sequence\n        // has been initiated, whereas the one on `this` includes whether the user has passed\n        // the minimum dragging threshold.\n        if (!this._dragDropRegistry.isDragging(this)) {\n            return;\n        }\n        this._removeSubscriptions();\n        this._dragDropRegistry.stopDragging(this);\n        this._toggleNativeDragInteractions();\n        if (this._handles) {\n            this._rootElement.style.webkitTapHighlightColor = this._rootElementTapHighlight;\n        }\n        if (!this._hasStartedDragging) {\n            return;\n        }\n        this.released.next({ source: this });\n        if (this._dropContainer) {\n            // Stop scrolling immediately, instead of waiting for the animation to finish.\n            this._dropContainer._stopScrolling();\n            this._animatePreviewToPlaceholder().then(function () {\n                _this._cleanupDragArtifacts(event);\n                _this._cleanupCachedDimensions();\n                _this._dragDropRegistry.stopDragging(_this);\n            });\n        }\n        else {\n            // Convert the active transform into a passive one. This means that next time\n            // the user starts dragging the item, its position will be calculated relatively\n            // to the new passive transform.\n            this._passiveTransform.x = this._activeTransform.x;\n            this._passiveTransform.y = this._activeTransform.y;\n            this._ngZone.run(function () {\n                _this.ended.next({\n                    source: _this,\n                    distance: _this._getDragDistance(_this._getPointerPositionOnPage(event))\n                });\n            });\n            this._cleanupCachedDimensions();\n            this._dragDropRegistry.stopDragging(this);\n        }\n    };\n    /** Starts the dragging sequence. */\n    DragRef.prototype._startDragSequence = function (event) {\n        // Emit the event on the item before the one on the container.\n        this.started.next({ source: this });\n        if (isTouchEvent(event)) {\n            this._lastTouchEventTime = Date.now();\n        }\n        this._toggleNativeDragInteractions();\n        if (this._dropContainer) {\n            var element = this._rootElement;\n            var parent_1 = element.parentNode;\n            var preview = this._preview = this._createPreviewElement();\n            var placeholder = this._placeholder = this._createPlaceholderElement();\n            var anchor = this._anchor = this._anchor || this._document.createComment('');\n            // Insert an anchor node so that we can restore the element's position in the DOM.\n            parent_1.insertBefore(anchor, element);\n            // We move the element out at the end of the body and we make it hidden, because keeping it in\n            // place will throw off the consumer's `:last-child` selectors. We can't remove the element\n            // from the DOM completely, because iOS will stop firing all subsequent events in the chain.\n            element.style.display = 'none';\n            this._document.body.appendChild(parent_1.replaceChild(placeholder, element));\n            getPreviewInsertionPoint(this._document).appendChild(preview);\n            this._dropContainer.start();\n        }\n    };\n    /**\n     * Sets up the different variables and subscriptions\n     * that will be necessary for the dragging sequence.\n     * @param referenceElement Element that started the drag sequence.\n     * @param event Browser event object that started the sequence.\n     */\n    DragRef.prototype._initializeDragSequence = function (referenceElement, event) {\n        var _this = this;\n        // Always stop propagation for the event that initializes\n        // the dragging sequence, in order to prevent it from potentially\n        // starting another sequence for a draggable parent somewhere up the DOM tree.\n        event.stopPropagation();\n        var isDragging = this.isDragging();\n        var isTouchSequence = isTouchEvent(event);\n        var isAuxiliaryMouseButton = !isTouchSequence && event.button !== 0;\n        var rootElement = this._rootElement;\n        var isSyntheticEvent = !isTouchSequence && this._lastTouchEventTime &&\n            this._lastTouchEventTime + MOUSE_EVENT_IGNORE_TIME > Date.now();\n        // If the event started from an element with the native HTML drag&drop, it'll interfere\n        // with our own dragging (e.g. `img` tags do it by default). Prevent the default action\n        // to stop it from happening. Note that preventing on `dragstart` also seems to work, but\n        // it's flaky and it fails if the user drags it away quickly. Also note that we only want\n        // to do this for `mousedown` since doing the same for `touchstart` will stop any `click`\n        // events from firing on touch devices.\n        if (event.target && event.target.draggable && event.type === 'mousedown') {\n            event.preventDefault();\n        }\n        // Abort if the user is already dragging or is using a mouse button other than the primary one.\n        if (isDragging || isAuxiliaryMouseButton || isSyntheticEvent) {\n            return;\n        }\n        // If we've got handles, we need to disable the tap highlight on the entire root element,\n        // otherwise iOS will still add it, even though all the drag interactions on the handle\n        // are disabled.\n        if (this._handles.length) {\n            this._rootElementTapHighlight = rootElement.style.webkitTapHighlightColor;\n            rootElement.style.webkitTapHighlightColor = 'transparent';\n        }\n        this._hasStartedDragging = this._hasMoved = false;\n        this._initialContainer = this._dropContainer;\n        // Avoid multiple subscriptions and memory leaks when multi touch\n        // (isDragging check above isn't enough because of possible temporal and/or dimensional delays)\n        this._removeSubscriptions();\n        this._pointerMoveSubscription = this._dragDropRegistry.pointerMove.subscribe(this._pointerMove);\n        this._pointerUpSubscription = this._dragDropRegistry.pointerUp.subscribe(this._pointerUp);\n        this._scrollSubscription = this._dragDropRegistry.scroll.pipe(startWith(null)).subscribe(function () {\n            _this._scrollPosition = _this._viewportRuler.getViewportScrollPosition();\n        });\n        if (this._boundaryElement) {\n            this._boundaryRect = this._boundaryElement.getBoundingClientRect();\n        }\n        // If we have a custom preview template, the element won't be visible anyway so we avoid the\n        // extra `getBoundingClientRect` calls and just move the preview next to the cursor.\n        this._pickupPositionInElement = this._previewTemplate && this._previewTemplate.template ?\n            { x: 0, y: 0 } :\n            this._getPointerPositionInElement(referenceElement, event);\n        var pointerPosition = this._pickupPositionOnPage = this._getPointerPositionOnPage(event);\n        this._pointerDirectionDelta = { x: 0, y: 0 };\n        this._pointerPositionAtLastDirectionChange = { x: pointerPosition.x, y: pointerPosition.y };\n        this._dragStartTime = Date.now();\n        this._dragDropRegistry.startDragging(this, event);\n    };\n    /** Cleans up the DOM artifacts that were added to facilitate the element being dragged. */\n    DragRef.prototype._cleanupDragArtifacts = function (event) {\n        var _this = this;\n        // Restore the element's visibility and insert it at its old position in the DOM.\n        // It's important that we maintain the position, because moving the element around in the DOM\n        // can throw off `NgFor` which does smart diffing and re-creates elements only when necessary,\n        // while moving the existing elements in all other cases.\n        this._rootElement.style.display = '';\n        this._anchor.parentNode.replaceChild(this._rootElement, this._anchor);\n        this._destroyPreview();\n        this._destroyPlaceholder();\n        this._boundaryRect = this._previewRect = undefined;\n        // Re-enter the NgZone since we bound `document` events on the outside.\n        this._ngZone.run(function () {\n            var container = _this._dropContainer;\n            var currentIndex = container.getItemIndex(_this);\n            var pointerPosition = _this._getPointerPositionOnPage(event);\n            var distance = _this._getDragDistance(_this._getPointerPositionOnPage(event));\n            var isPointerOverContainer = container._isOverContainer(pointerPosition.x, pointerPosition.y);\n            _this.ended.next({ source: _this, distance: distance });\n            _this.dropped.next({\n                item: _this,\n                currentIndex: currentIndex,\n                previousIndex: _this._initialContainer.getItemIndex(_this),\n                container: container,\n                previousContainer: _this._initialContainer,\n                isPointerOverContainer: isPointerOverContainer,\n                distance: distance\n            });\n            container.drop(_this, currentIndex, _this._initialContainer, isPointerOverContainer, distance);\n            _this._dropContainer = _this._initialContainer;\n        });\n    };\n    /**\n     * Updates the item's position in its drop container, or moves it\n     * into a new one, depending on its current drag position.\n     */\n    DragRef.prototype._updateActiveDropContainer = function (_a) {\n        var _this = this;\n        var x = _a.x, y = _a.y;\n        // Drop container that draggable has been moved into.\n        var newContainer = this._initialContainer._getSiblingContainerFromPosition(this, x, y);\n        // If we couldn't find a new container to move the item into, and the item has left its\n        // initial container, check whether the it's over the initial container. This handles the\n        // case where two containers are connected one way and the user tries to undo dragging an\n        // item into a new container.\n        if (!newContainer && this._dropContainer !== this._initialContainer &&\n            this._initialContainer._isOverContainer(x, y)) {\n            newContainer = this._initialContainer;\n        }\n        if (newContainer && newContainer !== this._dropContainer) {\n            this._ngZone.run(function () {\n                // Notify the old container that the item has left.\n                _this.exited.next({ item: _this, container: _this._dropContainer });\n                _this._dropContainer.exit(_this);\n                // Notify the new container that the item has entered.\n                _this._dropContainer = newContainer;\n                _this._dropContainer.enter(_this, x, y);\n                _this.entered.next({\n                    item: _this,\n                    container: newContainer,\n                    currentIndex: newContainer.getItemIndex(_this)\n                });\n            });\n        }\n        this._dropContainer._startScrollingIfNecessary(x, y);\n        this._dropContainer._sortItem(this, x, y, this._pointerDirectionDelta);\n        this._preview.style.transform =\n            getTransform(x - this._pickupPositionInElement.x, y - this._pickupPositionInElement.y);\n    };\n    /**\n     * Creates the element that will be rendered next to the user's pointer\n     * and will be used as a preview of the element that is being dragged.\n     */\n    DragRef.prototype._createPreviewElement = function () {\n        var previewConfig = this._previewTemplate;\n        var previewClass = this.previewClass;\n        var previewTemplate = previewConfig ? previewConfig.template : null;\n        var preview;\n        if (previewTemplate) {\n            var viewRef = previewConfig.viewContainer.createEmbeddedView(previewTemplate, previewConfig.context);\n            preview = getRootNode(viewRef, this._document);\n            this._previewRef = viewRef;\n            preview.style.transform =\n                getTransform(this._pickupPositionOnPage.x, this._pickupPositionOnPage.y);\n        }\n        else {\n            var element = this._rootElement;\n            var elementRect = element.getBoundingClientRect();\n            preview = deepCloneNode(element);\n            preview.style.width = elementRect.width + \"px\";\n            preview.style.height = elementRect.height + \"px\";\n            preview.style.transform = getTransform(elementRect.left, elementRect.top);\n        }\n        extendStyles(preview.style, {\n            // It's important that we disable the pointer events on the preview, because\n            // it can throw off the `document.elementFromPoint` calls in the `CdkDropList`.\n            pointerEvents: 'none',\n            // We have to reset the margin, because it can throw off positioning relative to the viewport.\n            margin: '0',\n            position: 'fixed',\n            top: '0',\n            left: '0',\n            zIndex: '1000'\n        });\n        toggleNativeDragInteractions(preview, false);\n        preview.classList.add('cdk-drag-preview');\n        preview.setAttribute('dir', this._direction);\n        if (previewClass) {\n            if (Array.isArray(previewClass)) {\n                previewClass.forEach(function (className) { return preview.classList.add(className); });\n            }\n            else {\n                preview.classList.add(previewClass);\n            }\n        }\n        return preview;\n    };\n    /**\n     * Animates the preview element from its current position to the location of the drop placeholder.\n     * @returns Promise that resolves when the animation completes.\n     */\n    DragRef.prototype._animatePreviewToPlaceholder = function () {\n        var _this = this;\n        // If the user hasn't moved yet, the transitionend event won't fire.\n        if (!this._hasMoved) {\n            return Promise.resolve();\n        }\n        var placeholderRect = this._placeholder.getBoundingClientRect();\n        // Apply the class that adds a transition to the preview.\n        this._preview.classList.add('cdk-drag-animating');\n        // Move the preview to the placeholder position.\n        this._preview.style.transform = getTransform(placeholderRect.left, placeholderRect.top);\n        // If the element doesn't have a `transition`, the `transitionend` event won't fire. Since\n        // we need to trigger a style recalculation in order for the `cdk-drag-animating` class to\n        // apply its style, we take advantage of the available info to figure out whether we need to\n        // bind the event in the first place.\n        var duration = getTransformTransitionDurationInMs(this._preview);\n        if (duration === 0) {\n            return Promise.resolve();\n        }\n        return this._ngZone.runOutsideAngular(function () {\n            return new Promise(function (resolve) {\n                var handler = (function (event) {\n                    if (!event || (event.target === _this._preview && event.propertyName === 'transform')) {\n                        _this._preview.removeEventListener('transitionend', handler);\n                        resolve();\n                        clearTimeout(timeout);\n                    }\n                });\n                // If a transition is short enough, the browser might not fire the `transitionend` event.\n                // Since we know how long it's supposed to take, add a timeout with a 50% buffer that'll\n                // fire if the transition hasn't completed when it was supposed to.\n                var timeout = setTimeout(handler, duration * 1.5);\n                _this._preview.addEventListener('transitionend', handler);\n            });\n        });\n    };\n    /** Creates an element that will be shown instead of the current element while dragging. */\n    DragRef.prototype._createPlaceholderElement = function () {\n        var placeholderConfig = this._placeholderTemplate;\n        var placeholderTemplate = placeholderConfig ? placeholderConfig.template : null;\n        var placeholder;\n        if (placeholderTemplate) {\n            this._placeholderRef = placeholderConfig.viewContainer.createEmbeddedView(placeholderTemplate, placeholderConfig.context);\n            placeholder = getRootNode(this._placeholderRef, this._document);\n        }\n        else {\n            placeholder = deepCloneNode(this._rootElement);\n        }\n        placeholder.classList.add('cdk-drag-placeholder');\n        return placeholder;\n    };\n    /**\n     * Figures out the coordinates at which an element was picked up.\n     * @param referenceElement Element that initiated the dragging.\n     * @param event Event that initiated the dragging.\n     */\n    DragRef.prototype._getPointerPositionInElement = function (referenceElement, event) {\n        var elementRect = this._rootElement.getBoundingClientRect();\n        var handleElement = referenceElement === this._rootElement ? null : referenceElement;\n        var referenceRect = handleElement ? handleElement.getBoundingClientRect() : elementRect;\n        var point = isTouchEvent(event) ? event.targetTouches[0] : event;\n        var x = point.pageX - referenceRect.left - this._scrollPosition.left;\n        var y = point.pageY - referenceRect.top - this._scrollPosition.top;\n        return {\n            x: referenceRect.left - elementRect.left + x,\n            y: referenceRect.top - elementRect.top + y\n        };\n    };\n    /** Determines the point of the page that was touched by the user. */\n    DragRef.prototype._getPointerPositionOnPage = function (event) {\n        // `touches` will be empty for start/end events so we have to fall back to `changedTouches`.\n        var point = isTouchEvent(event) ? (event.touches[0] || event.changedTouches[0]) : event;\n        return {\n            x: point.pageX - this._scrollPosition.left,\n            y: point.pageY - this._scrollPosition.top\n        };\n    };\n    /** Gets the pointer position on the page, accounting for any position constraints. */\n    DragRef.prototype._getConstrainedPointerPosition = function (event) {\n        var point = this._getPointerPositionOnPage(event);\n        var constrainedPoint = this.constrainPosition ? this.constrainPosition(point, this) : point;\n        var dropContainerLock = this._dropContainer ? this._dropContainer.lockAxis : null;\n        if (this.lockAxis === 'x' || dropContainerLock === 'x') {\n            constrainedPoint.y = this._pickupPositionOnPage.y;\n        }\n        else if (this.lockAxis === 'y' || dropContainerLock === 'y') {\n            constrainedPoint.x = this._pickupPositionOnPage.x;\n        }\n        if (this._boundaryRect) {\n            var _a = this._pickupPositionInElement, pickupX = _a.x, pickupY = _a.y;\n            var boundaryRect = this._boundaryRect;\n            var previewRect = this._previewRect;\n            var minY = boundaryRect.top + pickupY;\n            var maxY = boundaryRect.bottom - (previewRect.height - pickupY);\n            var minX = boundaryRect.left + pickupX;\n            var maxX = boundaryRect.right - (previewRect.width - pickupX);\n            constrainedPoint.x = clamp(constrainedPoint.x, minX, maxX);\n            constrainedPoint.y = clamp(constrainedPoint.y, minY, maxY);\n        }\n        return constrainedPoint;\n    };\n    /** Updates the current drag delta, based on the user's current pointer position on the page. */\n    DragRef.prototype._updatePointerDirectionDelta = function (pointerPositionOnPage) {\n        var x = pointerPositionOnPage.x, y = pointerPositionOnPage.y;\n        var delta = this._pointerDirectionDelta;\n        var positionSinceLastChange = this._pointerPositionAtLastDirectionChange;\n        // Amount of pixels the user has dragged since the last time the direction changed.\n        var changeX = Math.abs(x - positionSinceLastChange.x);\n        var changeY = Math.abs(y - positionSinceLastChange.y);\n        // Because we handle pointer events on a per-pixel basis, we don't want the delta\n        // to change for every pixel, otherwise anything that depends on it can look erratic.\n        // To make the delta more consistent, we track how much the user has moved since the last\n        // delta change and we only update it after it has reached a certain threshold.\n        if (changeX > this._config.pointerDirectionChangeThreshold) {\n            delta.x = x > positionSinceLastChange.x ? 1 : -1;\n            positionSinceLastChange.x = x;\n        }\n        if (changeY > this._config.pointerDirectionChangeThreshold) {\n            delta.y = y > positionSinceLastChange.y ? 1 : -1;\n            positionSinceLastChange.y = y;\n        }\n        return delta;\n    };\n    /** Toggles the native drag interactions, based on how many handles are registered. */\n    DragRef.prototype._toggleNativeDragInteractions = function () {\n        if (!this._rootElement || !this._handles) {\n            return;\n        }\n        var shouldEnable = this._handles.length > 0 || !this.isDragging();\n        if (shouldEnable !== this._nativeInteractionsEnabled) {\n            this._nativeInteractionsEnabled = shouldEnable;\n            toggleNativeDragInteractions(this._rootElement, shouldEnable);\n        }\n    };\n    /** Removes the manually-added event listeners from the root element. */\n    DragRef.prototype._removeRootElementListeners = function (element) {\n        element.removeEventListener('mousedown', this._pointerDown, activeEventListenerOptions);\n        element.removeEventListener('touchstart', this._pointerDown, passiveEventListenerOptions);\n    };\n    /**\n     * Applies a `transform` to the root element, taking into account any existing transforms on it.\n     * @param x New transform value along the X axis.\n     * @param y New transform value along the Y axis.\n     */\n    DragRef.prototype._applyRootElementTransform = function (x, y) {\n        var transform = getTransform(x, y);\n        // Cache the previous transform amount only after the first drag sequence, because\n        // we don't want our own transforms to stack on top of each other.\n        if (this._initialTransform == null) {\n            this._initialTransform = this._rootElement.style.transform || '';\n        }\n        // Preserve the previous `transform` value, if there was one. Note that we apply our own\n        // transform before the user's, because things like rotation can affect which direction\n        // the element will be translated towards.\n        this._rootElement.style.transform = this._initialTransform ?\n            transform + ' ' + this._initialTransform : transform;\n    };\n    /**\n     * Gets the distance that the user has dragged during the current drag sequence.\n     * @param currentPosition Current position of the user's pointer.\n     */\n    DragRef.prototype._getDragDistance = function (currentPosition) {\n        var pickupPosition = this._pickupPositionOnPage;\n        if (pickupPosition) {\n            return { x: currentPosition.x - pickupPosition.x, y: currentPosition.y - pickupPosition.y };\n        }\n        return { x: 0, y: 0 };\n    };\n    /** Cleans up any cached element dimensions that we don't need after dragging has stopped. */\n    DragRef.prototype._cleanupCachedDimensions = function () {\n        this._boundaryRect = this._previewRect = undefined;\n    };\n    /**\n     * Checks whether the element is still inside its boundary after the viewport has been resized.\n     * If not, the position is adjusted so that the element fits again.\n     */\n    DragRef.prototype._containInsideBoundaryOnResize = function () {\n        var _a = this._passiveTransform, x = _a.x, y = _a.y;\n        if ((x === 0 && y === 0) || this.isDragging() || !this._boundaryElement) {\n            return;\n        }\n        var boundaryRect = this._boundaryElement.getBoundingClientRect();\n        var elementRect = this._rootElement.getBoundingClientRect();\n        // It's possible that the element got hidden away after dragging (e.g. by switching to a\n        // different tab). Don't do anything in this case so we don't clear the user's position.\n        if ((boundaryRect.width === 0 && boundaryRect.height === 0) ||\n            (elementRect.width === 0 && elementRect.height === 0)) {\n            return;\n        }\n        var leftOverflow = boundaryRect.left - elementRect.left;\n        var rightOverflow = elementRect.right - boundaryRect.right;\n        var topOverflow = boundaryRect.top - elementRect.top;\n        var bottomOverflow = elementRect.bottom - boundaryRect.bottom;\n        // If the element has become wider than the boundary, we can't\n        // do much to make it fit so we just anchor it to the left.\n        if (boundaryRect.width > elementRect.width) {\n            if (leftOverflow > 0) {\n                x += leftOverflow;\n            }\n            if (rightOverflow > 0) {\n                x -= rightOverflow;\n            }\n        }\n        else {\n            x = 0;\n        }\n        // If the element has become taller than the boundary, we can't\n        // do much to make it fit so we just anchor it to the top.\n        if (boundaryRect.height > elementRect.height) {\n            if (topOverflow > 0) {\n                y += topOverflow;\n            }\n            if (bottomOverflow > 0) {\n                y -= bottomOverflow;\n            }\n        }\n        else {\n            y = 0;\n        }\n        if (x !== this._passiveTransform.x || y !== this._passiveTransform.y) {\n            this.setFreeDragPosition({ y: y, x: x });\n        }\n    };\n    /** Gets the drag start delay, based on the event type. */\n    DragRef.prototype._getDragStartDelay = function (event) {\n        var value = this.dragStartDelay;\n        if (typeof value === 'number') {\n            return value;\n        }\n        else if (isTouchEvent(event)) {\n            return value.touch;\n        }\n        return value ? value.mouse : 0;\n    };\n    return DragRef;\n}());\n/**\n * Gets a 3d `transform` that can be applied to an element.\n * @param x Desired position of the element along the X axis.\n * @param y Desired position of the element along the Y axis.\n */\nfunction getTransform(x, y) {\n    // Round the transforms since some browsers will\n    // blur the elements for sub-pixel transforms.\n    return \"translate3d(\" + Math.round(x) + \"px, \" + Math.round(y) + \"px, 0)\";\n}\n/** Creates a deep clone of an element. */\nfunction deepCloneNode(node) {\n    var clone = node.cloneNode(true);\n    var descendantsWithId = clone.querySelectorAll('[id]');\n    var descendantCanvases = node.querySelectorAll('canvas');\n    // Remove the `id` to avoid having multiple elements with the same id on the page.\n    clone.removeAttribute('id');\n    for (var i = 0; i < descendantsWithId.length; i++) {\n        descendantsWithId[i].removeAttribute('id');\n    }\n    // `cloneNode` won't transfer the content of `canvas` elements so we have to do it ourselves.\n    // We match up the cloned canvas to their sources using their index in the DOM.\n    if (descendantCanvases.length) {\n        var cloneCanvases = clone.querySelectorAll('canvas');\n        for (var i = 0; i < descendantCanvases.length; i++) {\n            var correspondingCloneContext = cloneCanvases[i].getContext('2d');\n            if (correspondingCloneContext) {\n                correspondingCloneContext.drawImage(descendantCanvases[i], 0, 0);\n            }\n        }\n    }\n    return clone;\n}\n/** Clamps a value between a minimum and a maximum. */\nfunction clamp(value, min, max) {\n    return Math.max(min, Math.min(max, value));\n}\n/**\n * Helper to remove a node from the DOM and to do all the necessary null checks.\n * @param node Node to be removed.\n */\nfunction removeNode(node) {\n    if (node && node.parentNode) {\n        node.parentNode.removeChild(node);\n    }\n}\n/** Determines whether an event is a touch event. */\nfunction isTouchEvent(event) {\n    // This function is called for every pixel that the user has dragged so we need it to be\n    // as fast as possible. Since we only bind mouse events and touch events, we can assume\n    // that if the event's name starts with `t`, it's a touch event.\n    return event.type[0] === 't';\n}\n/** Gets the element into which the drag preview should be inserted. */\nfunction getPreviewInsertionPoint(documentRef) {\n    // We can't use the body if the user is in fullscreen mode,\n    // because the preview will render under the fullscreen element.\n    // TODO(crisbeto): dedupe this with the `FullscreenOverlayContainer` eventually.\n    return documentRef.fullscreenElement ||\n        documentRef.webkitFullscreenElement ||\n        documentRef.mozFullScreenElement ||\n        documentRef.msFullscreenElement ||\n        documentRef.body;\n}\n/**\n * Gets the root HTML element of an embedded view.\n * If the root is not an HTML element it gets wrapped in one.\n */\nfunction getRootNode(viewRef, _document) {\n    var rootNode = viewRef.rootNodes[0];\n    if (rootNode.nodeType !== _document.ELEMENT_NODE) {\n        var wrapper = _document.createElement('div');\n        wrapper.appendChild(rootNode);\n        return wrapper;\n    }\n    return rootNode;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Moves an item one index in an array to another.\n * @param array Array in which to move the item.\n * @param fromIndex Starting index of the item.\n * @param toIndex Index to which the item should be moved.\n */\nfunction moveItemInArray(array, fromIndex, toIndex) {\n    var from = clamp$1(fromIndex, array.length - 1);\n    var to = clamp$1(toIndex, array.length - 1);\n    if (from === to) {\n        return;\n    }\n    var target = array[from];\n    var delta = to < from ? -1 : 1;\n    for (var i = from; i !== to; i += delta) {\n        array[i] = array[i + delta];\n    }\n    array[to] = target;\n}\n/**\n * Moves an item from one array to another.\n * @param currentArray Array from which to transfer the item.\n * @param targetArray Array into which to put the item.\n * @param currentIndex Index of the item in its current array.\n * @param targetIndex Index at which to insert the item.\n */\nfunction transferArrayItem(currentArray, targetArray, currentIndex, targetIndex) {\n    var from = clamp$1(currentIndex, currentArray.length - 1);\n    var to = clamp$1(targetIndex, targetArray.length);\n    if (currentArray.length) {\n        targetArray.splice(to, 0, currentArray.splice(from, 1)[0]);\n    }\n}\n/**\n * Copies an item from one array to another, leaving it in its\n * original position in current array.\n * @param currentArray Array from which to copy the item.\n * @param targetArray Array into which is copy the item.\n * @param currentIndex Index of the item in its current array.\n * @param targetIndex Index at which to insert the item.\n *\n */\nfunction copyArrayItem(currentArray, targetArray, currentIndex, targetIndex) {\n    var to = clamp$1(targetIndex, targetArray.length);\n    if (currentArray.length) {\n        targetArray.splice(to, 0, currentArray[currentIndex]);\n    }\n}\n/** Clamps a number between zero and a maximum. */\nfunction clamp$1(value, max) {\n    return Math.max(0, Math.min(max, value));\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Proximity, as a ratio to width/height, at which a\n * dragged item will affect the drop container.\n */\nvar DROP_PROXIMITY_THRESHOLD = 0.05;\n/**\n * Proximity, as a ratio to width/height at which to start auto-scrolling the drop list or the\n * viewport. The value comes from trying it out manually until it feels right.\n */\nvar SCROLL_PROXIMITY_THRESHOLD = 0.05;\n/**\n * Number of pixels to scroll for each frame when auto-scrolling an element.\n * The value comes from trying it out manually until it feels right.\n */\nvar AUTO_SCROLL_STEP = 2;\n/**\n * Reference to a drop list. Used to manipulate or dispose of the container.\n */\nvar DropListRef = /** @class */ (function () {\n    function DropListRef(element, _dragDropRegistry, _document, _ngZone, _viewportRuler) {\n        var _this = this;\n        this._dragDropRegistry = _dragDropRegistry;\n        this._ngZone = _ngZone;\n        this._viewportRuler = _viewportRuler;\n        /** Whether starting a dragging sequence from this container is disabled. */\n        this.disabled = false;\n        /** Whether sorting items within the list is disabled. */\n        this.sortingDisabled = false;\n        /**\n         * Whether auto-scrolling the view when the user\n         * moves their pointer close to the edges is disabled.\n         */\n        this.autoScrollDisabled = false;\n        /**\n         * Function that is used to determine whether an item\n         * is allowed to be moved into a drop container.\n         */\n        this.enterPredicate = function () { return true; };\n        /** Emits right before dragging has started. */\n        this.beforeStarted = new Subject();\n        /**\n         * Emits when the user has moved a new drag item into this container.\n         */\n        this.entered = new Subject();\n        /**\n         * Emits when the user removes an item from the container\n         * by dragging it into another container.\n         */\n        this.exited = new Subject();\n        /** Emits when the user drops an item inside the container. */\n        this.dropped = new Subject();\n        /** Emits as the user is swapping items while actively dragging. */\n        this.sorted = new Subject();\n        /** Whether an item in the list is being dragged. */\n        this._isDragging = false;\n        /** Cache of the dimensions of all the items inside the container. */\n        this._itemPositions = [];\n        /** Keeps track of the container's scroll position. */\n        this._scrollPosition = { top: 0, left: 0 };\n        /** Keeps track of the scroll position of the viewport. */\n        this._viewportScrollPosition = { top: 0, left: 0 };\n        /**\n         * Keeps track of the item that was last swapped with the dragged item, as\n         * well as what direction the pointer was moving in when the swap occured.\n         */\n        this._previousSwap = { drag: null, delta: 0 };\n        /** Drop lists that are connected to the current one. */\n        this._siblings = [];\n        /** Direction in which the list is oriented. */\n        this._orientation = 'vertical';\n        /** Connected siblings that currently have a dragged item. */\n        this._activeSiblings = new Set();\n        /** Layout direction of the drop list. */\n        this._direction = 'ltr';\n        /** Subscription to the window being scrolled. */\n        this._viewportScrollSubscription = Subscription.EMPTY;\n        /** Vertical direction in which the list is currently scrolling. */\n        this._verticalScrollDirection = 0 /* NONE */;\n        /** Horizontal direction in which the list is currently scrolling. */\n        this._horizontalScrollDirection = 0 /* NONE */;\n        /** Used to signal to the current auto-scroll sequence when to stop. */\n        this._stopScrollTimers = new Subject();\n        /** Shadow root of the current element. Necessary for `elementFromPoint` to resolve correctly. */\n        this._cachedShadowRoot = null;\n        /** Handles the container being scrolled. Has to be an arrow function to preserve the context. */\n        this._handleScroll = function () {\n            if (!_this.isDragging()) {\n                return;\n            }\n            var element = coerceElement(_this.element);\n            _this._updateAfterScroll(_this._scrollPosition, element.scrollTop, element.scrollLeft);\n        };\n        /** Starts the interval that'll auto-scroll the element. */\n        this._startScrollInterval = function () {\n            _this._stopScrolling();\n            interval(0, animationFrameScheduler)\n                .pipe(takeUntil(_this._stopScrollTimers))\n                .subscribe(function () {\n                var node = _this._scrollNode;\n                if (_this._verticalScrollDirection === 1 /* UP */) {\n                    incrementVerticalScroll(node, -AUTO_SCROLL_STEP);\n                }\n                else if (_this._verticalScrollDirection === 2 /* DOWN */) {\n                    incrementVerticalScroll(node, AUTO_SCROLL_STEP);\n                }\n                if (_this._horizontalScrollDirection === 1 /* LEFT */) {\n                    incrementHorizontalScroll(node, -AUTO_SCROLL_STEP);\n                }\n                else if (_this._horizontalScrollDirection === 2 /* RIGHT */) {\n                    incrementHorizontalScroll(node, AUTO_SCROLL_STEP);\n                }\n            });\n        };\n        this.element = coerceElement(element);\n        this._document = _document;\n        _dragDropRegistry.registerDropContainer(this);\n    }\n    /** Removes the drop list functionality from the DOM element. */\n    DropListRef.prototype.dispose = function () {\n        this._stopScrolling();\n        this._stopScrollTimers.complete();\n        this._removeListeners();\n        this.beforeStarted.complete();\n        this.entered.complete();\n        this.exited.complete();\n        this.dropped.complete();\n        this.sorted.complete();\n        this._activeSiblings.clear();\n        this._scrollNode = null;\n        this._dragDropRegistry.removeDropContainer(this);\n    };\n    /** Whether an item from this list is currently being dragged. */\n    DropListRef.prototype.isDragging = function () {\n        return this._isDragging;\n    };\n    /** Starts dragging an item. */\n    DropListRef.prototype.start = function () {\n        var _this = this;\n        var element = coerceElement(this.element);\n        this.beforeStarted.next();\n        this._isDragging = true;\n        this._cacheItems();\n        this._siblings.forEach(function (sibling) { return sibling._startReceiving(_this); });\n        this._removeListeners();\n        this._ngZone.runOutsideAngular(function () { return element.addEventListener('scroll', _this._handleScroll); });\n        this._listenToScrollEvents();\n    };\n    /**\n     * Emits an event to indicate that the user moved an item into the container.\n     * @param item Item that was moved into the container.\n     * @param pointerX Position of the item along the X axis.\n     * @param pointerY Position of the item along the Y axis.\n     */\n    DropListRef.prototype.enter = function (item, pointerX, pointerY) {\n        this.start();\n        // If sorting is disabled, we want the item to return to its starting\n        // position if the user is returning it to its initial container.\n        var newIndex = this.sortingDisabled ? this._draggables.indexOf(item) : -1;\n        if (newIndex === -1) {\n            // We use the coordinates of where the item entered the drop\n            // zone to figure out at which index it should be inserted.\n            newIndex = this._getItemIndexFromPointerPosition(item, pointerX, pointerY);\n        }\n        var activeDraggables = this._activeDraggables;\n        var currentIndex = activeDraggables.indexOf(item);\n        var placeholder = item.getPlaceholderElement();\n        var newPositionReference = activeDraggables[newIndex];\n        // If the item at the new position is the same as the item that is being dragged,\n        // it means that we're trying to restore the item to its initial position. In this\n        // case we should use the next item from the list as the reference.\n        if (newPositionReference === item) {\n            newPositionReference = activeDraggables[newIndex + 1];\n        }\n        // Since the item may be in the `activeDraggables` already (e.g. if the user dragged it\n        // into another container and back again), we have to ensure that it isn't duplicated.\n        if (currentIndex > -1) {\n            activeDraggables.splice(currentIndex, 1);\n        }\n        // Don't use items that are being dragged as a reference, because\n        // their element has been moved down to the bottom of the body.\n        if (newPositionReference && !this._dragDropRegistry.isDragging(newPositionReference)) {\n            var element = newPositionReference.getRootElement();\n            element.parentElement.insertBefore(placeholder, element);\n            activeDraggables.splice(newIndex, 0, item);\n        }\n        else {\n            coerceElement(this.element).appendChild(placeholder);\n            activeDraggables.push(item);\n        }\n        // The transform needs to be cleared so it doesn't throw off the measurements.\n        placeholder.style.transform = '';\n        // Note that the positions were already cached when we called `start` above,\n        // but we need to refresh them since the amount of items has changed.\n        this._cacheItemPositions();\n        this.entered.next({ item: item, container: this, currentIndex: this.getItemIndex(item) });\n    };\n    /**\n     * Removes an item from the container after it was dragged into another container by the user.\n     * @param item Item that was dragged out.\n     */\n    DropListRef.prototype.exit = function (item) {\n        this._reset();\n        this.exited.next({ item: item, container: this });\n    };\n    /**\n     * Drops an item into this container.\n     * @param item Item being dropped into the container.\n     * @param currentIndex Index at which the item should be inserted.\n     * @param previousContainer Container from which the item got dragged in.\n     * @param isPointerOverContainer Whether the user's pointer was over the\n     *    container when the item was dropped.\n     * @param distance Distance the user has dragged since the start of the dragging sequence.\n     */\n    DropListRef.prototype.drop = function (item, currentIndex, previousContainer, isPointerOverContainer, distance) {\n        this._reset();\n        this.dropped.next({\n            item: item,\n            currentIndex: currentIndex,\n            previousIndex: previousContainer.getItemIndex(item),\n            container: this,\n            previousContainer: previousContainer,\n            isPointerOverContainer: isPointerOverContainer,\n            distance: distance\n        });\n    };\n    /**\n     * Sets the draggable items that are a part of this list.\n     * @param items Items that are a part of this list.\n     */\n    DropListRef.prototype.withItems = function (items) {\n        var _this = this;\n        this._draggables = items;\n        items.forEach(function (item) { return item._withDropContainer(_this); });\n        if (this.isDragging()) {\n            this._cacheItems();\n        }\n        return this;\n    };\n    /** Sets the layout direction of the drop list. */\n    DropListRef.prototype.withDirection = function (direction) {\n        this._direction = direction;\n        return this;\n    };\n    /**\n     * Sets the containers that are connected to this one. When two or more containers are\n     * connected, the user will be allowed to transfer items between them.\n     * @param connectedTo Other containers that the current containers should be connected to.\n     */\n    DropListRef.prototype.connectedTo = function (connectedTo) {\n        this._siblings = connectedTo.slice();\n        return this;\n    };\n    /**\n     * Sets the orientation of the container.\n     * @param orientation New orientation for the container.\n     */\n    DropListRef.prototype.withOrientation = function (orientation) {\n        this._orientation = orientation;\n        return this;\n    };\n    /**\n     * Figures out the index of an item in the container.\n     * @param item Item whose index should be determined.\n     */\n    DropListRef.prototype.getItemIndex = function (item) {\n        if (!this._isDragging) {\n            return this._draggables.indexOf(item);\n        }\n        // Items are sorted always by top/left in the cache, however they flow differently in RTL.\n        // The rest of the logic still stands no matter what orientation we're in, however\n        // we need to invert the array when determining the index.\n        var items = this._orientation === 'horizontal' && this._direction === 'rtl' ?\n            this._itemPositions.slice().reverse() : this._itemPositions;\n        return findIndex(items, function (currentItem) { return currentItem.drag === item; });\n    };\n    /**\n     * Whether the list is able to receive the item that\n     * is currently being dragged inside a connected drop list.\n     */\n    DropListRef.prototype.isReceiving = function () {\n        return this._activeSiblings.size > 0;\n    };\n    /**\n     * Sorts an item inside the container based on its position.\n     * @param item Item to be sorted.\n     * @param pointerX Position of the item along the X axis.\n     * @param pointerY Position of the item along the Y axis.\n     * @param pointerDelta Direction in which the pointer is moving along each axis.\n     */\n    DropListRef.prototype._sortItem = function (item, pointerX, pointerY, pointerDelta) {\n        // Don't sort the item if sorting is disabled or it's out of range.\n        if (this.sortingDisabled || !this._isPointerNearDropContainer(pointerX, pointerY)) {\n            return;\n        }\n        var siblings = this._itemPositions;\n        var newIndex = this._getItemIndexFromPointerPosition(item, pointerX, pointerY, pointerDelta);\n        if (newIndex === -1 && siblings.length > 0) {\n            return;\n        }\n        var isHorizontal = this._orientation === 'horizontal';\n        var currentIndex = findIndex(siblings, function (currentItem) { return currentItem.drag === item; });\n        var siblingAtNewPosition = siblings[newIndex];\n        var currentPosition = siblings[currentIndex].clientRect;\n        var newPosition = siblingAtNewPosition.clientRect;\n        var delta = currentIndex > newIndex ? 1 : -1;\n        this._previousSwap.drag = siblingAtNewPosition.drag;\n        this._previousSwap.delta = isHorizontal ? pointerDelta.x : pointerDelta.y;\n        // How many pixels the item's placeholder should be offset.\n        var itemOffset = this._getItemOffsetPx(currentPosition, newPosition, delta);\n        // How many pixels all the other items should be offset.\n        var siblingOffset = this._getSiblingOffsetPx(currentIndex, siblings, delta);\n        // Save the previous order of the items before moving the item to its new index.\n        // We use this to check whether an item has been moved as a result of the sorting.\n        var oldOrder = siblings.slice();\n        // Shuffle the array in place.\n        moveItemInArray(siblings, currentIndex, newIndex);\n        this.sorted.next({\n            previousIndex: currentIndex,\n            currentIndex: newIndex,\n            container: this,\n            item: item\n        });\n        siblings.forEach(function (sibling, index) {\n            // Don't do anything if the position hasn't changed.\n            if (oldOrder[index] === sibling) {\n                return;\n            }\n            var isDraggedItem = sibling.drag === item;\n            var offset = isDraggedItem ? itemOffset : siblingOffset;\n            var elementToOffset = isDraggedItem ? item.getPlaceholderElement() :\n                sibling.drag.getRootElement();\n            // Update the offset to reflect the new position.\n            sibling.offset += offset;\n            // Since we're moving the items with a `transform`, we need to adjust their cached\n            // client rects to reflect their new position, as well as swap their positions in the cache.\n            // Note that we shouldn't use `getBoundingClientRect` here to update the cache, because the\n            // elements may be mid-animation which will give us a wrong result.\n            if (isHorizontal) {\n                // Round the transforms since some browsers will\n                // blur the elements, for sub-pixel transforms.\n                elementToOffset.style.transform = \"translate3d(\" + Math.round(sibling.offset) + \"px, 0, 0)\";\n                adjustClientRect(sibling.clientRect, 0, offset);\n            }\n            else {\n                elementToOffset.style.transform = \"translate3d(0, \" + Math.round(sibling.offset) + \"px, 0)\";\n                adjustClientRect(sibling.clientRect, offset, 0);\n            }\n        });\n    };\n    /**\n     * Checks whether the user's pointer is close to the edges of either the\n     * viewport or the drop list and starts the auto-scroll sequence.\n     * @param pointerX User's pointer position along the x axis.\n     * @param pointerY User's pointer position along the y axis.\n     */\n    DropListRef.prototype._startScrollingIfNecessary = function (pointerX, pointerY) {\n        var _a;\n        if (this.autoScrollDisabled) {\n            return;\n        }\n        var scrollNode;\n        var verticalScrollDirection = 0 /* NONE */;\n        var horizontalScrollDirection = 0 /* NONE */;\n        // Check whether we should start scrolling the container.\n        if (this._isPointerNearDropContainer(pointerX, pointerY)) {\n            var element = coerceElement(this.element);\n            _a = __read(getElementScrollDirections(element, this._clientRect, pointerX, pointerY), 2), verticalScrollDirection = _a[0], horizontalScrollDirection = _a[1];\n            if (verticalScrollDirection || horizontalScrollDirection) {\n                scrollNode = element;\n            }\n        }\n        // Otherwise check if we can start scrolling the viewport.\n        if (!verticalScrollDirection && !horizontalScrollDirection) {\n            var _b = this._viewportRuler.getViewportSize(), width = _b.width, height = _b.height;\n            var clientRect = { width: width, height: height, top: 0, right: width, bottom: height, left: 0 };\n            verticalScrollDirection = getVerticalScrollDirection(clientRect, pointerY);\n            horizontalScrollDirection = getHorizontalScrollDirection(clientRect, pointerX);\n            scrollNode = window;\n        }\n        if (scrollNode && (verticalScrollDirection !== this._verticalScrollDirection ||\n            horizontalScrollDirection !== this._horizontalScrollDirection ||\n            scrollNode !== this._scrollNode)) {\n            this._verticalScrollDirection = verticalScrollDirection;\n            this._horizontalScrollDirection = horizontalScrollDirection;\n            this._scrollNode = scrollNode;\n            if ((verticalScrollDirection || horizontalScrollDirection) && scrollNode) {\n                this._ngZone.runOutsideAngular(this._startScrollInterval);\n            }\n            else {\n                this._stopScrolling();\n            }\n        }\n    };\n    /** Stops any currently-running auto-scroll sequences. */\n    DropListRef.prototype._stopScrolling = function () {\n        this._stopScrollTimers.next();\n    };\n    /** Caches the position of the drop list. */\n    DropListRef.prototype._cacheOwnPosition = function () {\n        var element = coerceElement(this.element);\n        this._clientRect = getMutableClientRect(element);\n        this._scrollPosition = { top: element.scrollTop, left: element.scrollLeft };\n    };\n    /** Refreshes the position cache of the items and sibling containers. */\n    DropListRef.prototype._cacheItemPositions = function () {\n        var _this = this;\n        var isHorizontal = this._orientation === 'horizontal';\n        this._itemPositions = this._activeDraggables.map(function (drag) {\n            var elementToMeasure = _this._dragDropRegistry.isDragging(drag) ?\n                // If the element is being dragged, we have to measure the\n                // placeholder, because the element is hidden.\n                drag.getPlaceholderElement() :\n                drag.getRootElement();\n            return { drag: drag, offset: 0, clientRect: getMutableClientRect(elementToMeasure) };\n        }).sort(function (a, b) {\n            return isHorizontal ? a.clientRect.left - b.clientRect.left :\n                a.clientRect.top - b.clientRect.top;\n        });\n    };\n    /** Resets the container to its initial state. */\n    DropListRef.prototype._reset = function () {\n        var _this = this;\n        this._isDragging = false;\n        // TODO(crisbeto): may have to wait for the animations to finish.\n        this._activeDraggables.forEach(function (item) { return item.getRootElement().style.transform = ''; });\n        this._siblings.forEach(function (sibling) { return sibling._stopReceiving(_this); });\n        this._activeDraggables = [];\n        this._itemPositions = [];\n        this._previousSwap.drag = null;\n        this._previousSwap.delta = 0;\n        this._stopScrolling();\n        this._removeListeners();\n    };\n    /**\n     * Gets the offset in pixels by which the items that aren't being dragged should be moved.\n     * @param currentIndex Index of the item currently being dragged.\n     * @param siblings All of the items in the list.\n     * @param delta Direction in which the user is moving.\n     */\n    DropListRef.prototype._getSiblingOffsetPx = function (currentIndex, siblings, delta) {\n        var isHorizontal = this._orientation === 'horizontal';\n        var currentPosition = siblings[currentIndex].clientRect;\n        var immediateSibling = siblings[currentIndex + delta * -1];\n        var siblingOffset = currentPosition[isHorizontal ? 'width' : 'height'] * delta;\n        if (immediateSibling) {\n            var start = isHorizontal ? 'left' : 'top';\n            var end = isHorizontal ? 'right' : 'bottom';\n            // Get the spacing between the start of the current item and the end of the one immediately\n            // after it in the direction in which the user is dragging, or vice versa. We add it to the\n            // offset in order to push the element to where it will be when it's inline and is influenced\n            // by the `margin` of its siblings.\n            if (delta === -1) {\n                siblingOffset -= immediateSibling.clientRect[start] - currentPosition[end];\n            }\n            else {\n                siblingOffset += currentPosition[start] - immediateSibling.clientRect[end];\n            }\n        }\n        return siblingOffset;\n    };\n    /**\n     * Checks whether the pointer coordinates are close to the drop container.\n     * @param pointerX Coordinates along the X axis.\n     * @param pointerY Coordinates along the Y axis.\n     */\n    DropListRef.prototype._isPointerNearDropContainer = function (pointerX, pointerY) {\n        var _a = this._clientRect, top = _a.top, right = _a.right, bottom = _a.bottom, left = _a.left, width = _a.width, height = _a.height;\n        var xThreshold = width * DROP_PROXIMITY_THRESHOLD;\n        var yThreshold = height * DROP_PROXIMITY_THRESHOLD;\n        return pointerY > top - yThreshold && pointerY < bottom + yThreshold &&\n            pointerX > left - xThreshold && pointerX < right + xThreshold;\n    };\n    /**\n     * Gets the offset in pixels by which the item that is being dragged should be moved.\n     * @param currentPosition Current position of the item.\n     * @param newPosition Position of the item where the current item should be moved.\n     * @param delta Direction in which the user is moving.\n     */\n    DropListRef.prototype._getItemOffsetPx = function (currentPosition, newPosition, delta) {\n        var isHorizontal = this._orientation === 'horizontal';\n        var itemOffset = isHorizontal ? newPosition.left - currentPosition.left :\n            newPosition.top - currentPosition.top;\n        // Account for differences in the item width/height.\n        if (delta === -1) {\n            itemOffset += isHorizontal ? newPosition.width - currentPosition.width :\n                newPosition.height - currentPosition.height;\n        }\n        return itemOffset;\n    };\n    /**\n     * Gets the index of an item in the drop container, based on the position of the user's pointer.\n     * @param item Item that is being sorted.\n     * @param pointerX Position of the user's pointer along the X axis.\n     * @param pointerY Position of the user's pointer along the Y axis.\n     * @param delta Direction in which the user is moving their pointer.\n     */\n    DropListRef.prototype._getItemIndexFromPointerPosition = function (item, pointerX, pointerY, delta) {\n        var _this = this;\n        var isHorizontal = this._orientation === 'horizontal';\n        return findIndex(this._itemPositions, function (_a, _, array) {\n            var drag = _a.drag, clientRect = _a.clientRect;\n            if (drag === item) {\n                // If there's only one item left in the container, it must be\n                // the dragged item itself so we use it as a reference.\n                return array.length < 2;\n            }\n            if (delta) {\n                var direction = isHorizontal ? delta.x : delta.y;\n                // If the user is still hovering over the same item as last time, and they didn't change\n                // the direction in which they're dragging, we don't consider it a direction swap.\n                if (drag === _this._previousSwap.drag && direction === _this._previousSwap.delta) {\n                    return false;\n                }\n            }\n            return isHorizontal ?\n                // Round these down since most browsers report client rects with\n                // sub-pixel precision, whereas the pointer coordinates are rounded to pixels.\n                pointerX >= Math.floor(clientRect.left) && pointerX <= Math.floor(clientRect.right) :\n                pointerY >= Math.floor(clientRect.top) && pointerY <= Math.floor(clientRect.bottom);\n        });\n    };\n    /** Caches the current items in the list and their positions. */\n    DropListRef.prototype._cacheItems = function () {\n        this._activeDraggables = this._draggables.slice();\n        this._cacheItemPositions();\n        this._cacheOwnPosition();\n    };\n    /**\n     * Updates the internal state of the container after a scroll event has happened.\n     * @param scrollPosition Object that is keeping track of the scroll position.\n     * @param newTop New top scroll position.\n     * @param newLeft New left scroll position.\n     * @param extraClientRect Extra `ClientRect` object that should be updated, in addition to the\n     *  ones of the drag items. Useful when the viewport has been scrolled and we also need to update\n     *  the `ClientRect` of the list.\n     */\n    DropListRef.prototype._updateAfterScroll = function (scrollPosition, newTop, newLeft, extraClientRect) {\n        var _this = this;\n        var topDifference = scrollPosition.top - newTop;\n        var leftDifference = scrollPosition.left - newLeft;\n        if (extraClientRect) {\n            adjustClientRect(extraClientRect, topDifference, leftDifference);\n        }\n        // Since we know the amount that the user has scrolled we can shift all of the client rectangles\n        // ourselves. This is cheaper than re-measuring everything and we can avoid inconsistent\n        // behavior where we might be measuring the element before its position has changed.\n        this._itemPositions.forEach(function (_a) {\n            var clientRect = _a.clientRect;\n            adjustClientRect(clientRect, topDifference, leftDifference);\n        });\n        // We need two loops for this, because we want all of the cached\n        // positions to be up-to-date before we re-sort the item.\n        this._itemPositions.forEach(function (_a) {\n            var drag = _a.drag;\n            if (_this._dragDropRegistry.isDragging(drag)) {\n                // We need to re-sort the item manually, because the pointer move\n                // events won't be dispatched while the user is scrolling.\n                drag._sortFromLastPointerPosition();\n            }\n        });\n        scrollPosition.top = newTop;\n        scrollPosition.left = newLeft;\n    };\n    /** Removes the event listeners associated with this drop list. */\n    DropListRef.prototype._removeListeners = function () {\n        coerceElement(this.element).removeEventListener('scroll', this._handleScroll);\n        this._viewportScrollSubscription.unsubscribe();\n    };\n    /**\n     * Checks whether the user's pointer is positioned over the container.\n     * @param x Pointer position along the X axis.\n     * @param y Pointer position along the Y axis.\n     */\n    DropListRef.prototype._isOverContainer = function (x, y) {\n        return isInsideClientRect(this._clientRect, x, y);\n    };\n    /**\n     * Figures out whether an item should be moved into a sibling\n     * drop container, based on its current position.\n     * @param item Drag item that is being moved.\n     * @param x Position of the item along the X axis.\n     * @param y Position of the item along the Y axis.\n     */\n    DropListRef.prototype._getSiblingContainerFromPosition = function (item, x, y) {\n        return this._siblings.find(function (sibling) { return sibling._canReceive(item, x, y); });\n    };\n    /**\n     * Checks whether the drop list can receive the passed-in item.\n     * @param item Item that is being dragged into the list.\n     * @param x Position of the item along the X axis.\n     * @param y Position of the item along the Y axis.\n     */\n    DropListRef.prototype._canReceive = function (item, x, y) {\n        if (!isInsideClientRect(this._clientRect, x, y) || !this.enterPredicate(item, this)) {\n            return false;\n        }\n        var elementFromPoint = this._getShadowRoot().elementFromPoint(x, y);\n        // If there's no element at the pointer position, then\n        // the client rect is probably scrolled out of the view.\n        if (!elementFromPoint) {\n            return false;\n        }\n        var nativeElement = coerceElement(this.element);\n        // The `ClientRect`, that we're using to find the container over which the user is\n        // hovering, doesn't give us any information on whether the element has been scrolled\n        // out of the view or whether it's overlapping with other containers. This means that\n        // we could end up transferring the item into a container that's invisible or is positioned\n        // below another one. We use the result from `elementFromPoint` to get the top-most element\n        // at the pointer position and to find whether it's one of the intersecting drop containers.\n        return elementFromPoint === nativeElement || nativeElement.contains(elementFromPoint);\n    };\n    /**\n     * Called by one of the connected drop lists when a dragging sequence has started.\n     * @param sibling Sibling in which dragging has started.\n     */\n    DropListRef.prototype._startReceiving = function (sibling) {\n        var activeSiblings = this._activeSiblings;\n        if (!activeSiblings.has(sibling)) {\n            activeSiblings.add(sibling);\n            this._cacheOwnPosition();\n            this._listenToScrollEvents();\n        }\n    };\n    /**\n     * Called by a connected drop list when dragging has stopped.\n     * @param sibling Sibling whose dragging has stopped.\n     */\n    DropListRef.prototype._stopReceiving = function (sibling) {\n        this._activeSiblings.delete(sibling);\n        this._viewportScrollSubscription.unsubscribe();\n    };\n    /**\n     * Starts listening to scroll events on the viewport.\n     * Used for updating the internal state of the list.\n     */\n    DropListRef.prototype._listenToScrollEvents = function () {\n        var _this = this;\n        this._viewportScrollPosition = this._viewportRuler.getViewportScrollPosition();\n        this._viewportScrollSubscription = this._dragDropRegistry.scroll.subscribe(function () {\n            if (_this.isDragging()) {\n                var newPosition = _this._viewportRuler.getViewportScrollPosition();\n                _this._updateAfterScroll(_this._viewportScrollPosition, newPosition.top, newPosition.left, _this._clientRect);\n            }\n            else if (_this.isReceiving()) {\n                _this._cacheOwnPosition();\n            }\n        });\n    };\n    /**\n     * Lazily resolves and returns the shadow root of the element. We do this in a function, rather\n     * than saving it in property directly on init, because we want to resolve it as late as possible\n     * in order to ensure that the element has been moved into the shadow DOM. Doing it inside the\n     * constructor might be too early if the element is inside of something like `ngFor` or `ngIf`.\n     */\n    DropListRef.prototype._getShadowRoot = function () {\n        if (!this._cachedShadowRoot) {\n            this._cachedShadowRoot = getShadowRoot(coerceElement(this.element)) || this._document;\n        }\n        return this._cachedShadowRoot;\n    };\n    return DropListRef;\n}());\n/**\n * Updates the top/left positions of a `ClientRect`, as well as their bottom/right counterparts.\n * @param clientRect `ClientRect` that should be updated.\n * @param top Amount to add to the `top` position.\n * @param left Amount to add to the `left` position.\n */\nfunction adjustClientRect(clientRect, top, left) {\n    clientRect.top += top;\n    clientRect.bottom = clientRect.top + clientRect.height;\n    clientRect.left += left;\n    clientRect.right = clientRect.left + clientRect.width;\n}\n/**\n * Finds the index of an item that matches a predicate function. Used as an equivalent\n * of `Array.prototype.findIndex` which isn't part of the standard Google typings.\n * @param array Array in which to look for matches.\n * @param predicate Function used to determine whether an item is a match.\n */\nfunction findIndex(array, predicate) {\n    for (var i = 0; i < array.length; i++) {\n        if (predicate(array[i], i, array)) {\n            return i;\n        }\n    }\n    return -1;\n}\n/**\n * Checks whether some coordinates are within a `ClientRect`.\n * @param clientRect ClientRect that is being checked.\n * @param x Coordinates along the X axis.\n * @param y Coordinates along the Y axis.\n */\nfunction isInsideClientRect(clientRect, x, y) {\n    var top = clientRect.top, bottom = clientRect.bottom, left = clientRect.left, right = clientRect.right;\n    return y >= top && y <= bottom && x >= left && x <= right;\n}\n/** Gets a mutable version of an element's bounding `ClientRect`. */\nfunction getMutableClientRect(element) {\n    var clientRect = element.getBoundingClientRect();\n    // We need to clone the `clientRect` here, because all the values on it are readonly\n    // and we need to be able to update them. Also we can't use a spread here, because\n    // the values on a `ClientRect` aren't own properties. See:\n    // https://developer.mozilla.org/en-US/docs/Web/API/Element/getBoundingClientRect#Notes\n    return {\n        top: clientRect.top,\n        right: clientRect.right,\n        bottom: clientRect.bottom,\n        left: clientRect.left,\n        width: clientRect.width,\n        height: clientRect.height\n    };\n}\n/**\n * Increments the vertical scroll position of a node.\n * @param node Node whose scroll position should change.\n * @param amount Amount of pixels that the `node` should be scrolled.\n */\nfunction incrementVerticalScroll(node, amount) {\n    if (node === window) {\n        node.scrollBy(0, amount);\n    }\n    else {\n        // Ideally we could use `Element.scrollBy` here as well, but IE and Edge don't support it.\n        node.scrollTop += amount;\n    }\n}\n/**\n * Increments the horizontal scroll position of a node.\n * @param node Node whose scroll position should change.\n * @param amount Amount of pixels that the `node` should be scrolled.\n */\nfunction incrementHorizontalScroll(node, amount) {\n    if (node === window) {\n        node.scrollBy(amount, 0);\n    }\n    else {\n        // Ideally we could use `Element.scrollBy` here as well, but IE and Edge don't support it.\n        node.scrollLeft += amount;\n    }\n}\n/**\n * Gets whether the vertical auto-scroll direction of a node.\n * @param clientRect Dimensions of the node.\n * @param pointerY Position of the user's pointer along the y axis.\n */\nfunction getVerticalScrollDirection(clientRect, pointerY) {\n    var top = clientRect.top, bottom = clientRect.bottom, height = clientRect.height;\n    var yThreshold = height * SCROLL_PROXIMITY_THRESHOLD;\n    if (pointerY >= top - yThreshold && pointerY <= top + yThreshold) {\n        return 1 /* UP */;\n    }\n    else if (pointerY >= bottom - yThreshold && pointerY <= bottom + yThreshold) {\n        return 2 /* DOWN */;\n    }\n    return 0 /* NONE */;\n}\n/**\n * Gets whether the horizontal auto-scroll direction of a node.\n * @param clientRect Dimensions of the node.\n * @param pointerX Position of the user's pointer along the x axis.\n */\nfunction getHorizontalScrollDirection(clientRect, pointerX) {\n    var left = clientRect.left, right = clientRect.right, width = clientRect.width;\n    var xThreshold = width * SCROLL_PROXIMITY_THRESHOLD;\n    if (pointerX >= left - xThreshold && pointerX <= left + xThreshold) {\n        return 1 /* LEFT */;\n    }\n    else if (pointerX >= right - xThreshold && pointerX <= right + xThreshold) {\n        return 2 /* RIGHT */;\n    }\n    return 0 /* NONE */;\n}\n/**\n * Gets the directions in which an element node should be scrolled,\n * assuming that the user's pointer is already within it scrollable region.\n * @param element Element for which we should calculate the scroll direction.\n * @param clientRect Bounding client rectangle of the element.\n * @param pointerX Position of the user's pointer along the x axis.\n * @param pointerY Position of the user's pointer along the y axis.\n */\nfunction getElementScrollDirections(element, clientRect, pointerX, pointerY) {\n    var computedVertical = getVerticalScrollDirection(clientRect, pointerY);\n    var computedHorizontal = getHorizontalScrollDirection(clientRect, pointerX);\n    var verticalScrollDirection = 0 /* NONE */;\n    var horizontalScrollDirection = 0 /* NONE */;\n    // Note that we here we do some extra checks for whether the element is actually scrollable in\n    // a certain direction and we only assign the scroll direction if it is. We do this so that we\n    // can allow other elements to be scrolled, if the current element can't be scrolled anymore.\n    // This allows us to handle cases where the scroll regions of two scrollable elements overlap.\n    if (computedVertical) {\n        var scrollTop = element.scrollTop;\n        if (computedVertical === 1 /* UP */) {\n            if (scrollTop > 0) {\n                verticalScrollDirection = 1 /* UP */;\n            }\n        }\n        else if (element.scrollHeight - scrollTop > element.clientHeight) {\n            verticalScrollDirection = 2 /* DOWN */;\n        }\n    }\n    if (computedHorizontal) {\n        var scrollLeft = element.scrollLeft;\n        if (computedHorizontal === 1 /* LEFT */) {\n            if (scrollLeft > 0) {\n                horizontalScrollDirection = 1 /* LEFT */;\n            }\n        }\n        else if (element.scrollWidth - scrollLeft > element.clientWidth) {\n            horizontalScrollDirection = 2 /* RIGHT */;\n        }\n    }\n    return [verticalScrollDirection, horizontalScrollDirection];\n}\n/** Gets the shadow root of an element, if any. */\nfunction getShadowRoot(element) {\n    if (_supportsShadowDom()) {\n        var rootNode = element.getRootNode ? element.getRootNode() : null;\n        if (rootNode instanceof ShadowRoot) {\n            return rootNode;\n        }\n    }\n    return null;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Event options that can be used to bind an active, capturing event. */\nvar activeCapturingEventOptions = normalizePassiveListenerOptions({\n    passive: false,\n    capture: true\n});\n/**\n * Service that keeps track of all the drag item and drop container\n * instances, and manages global event listeners on the `document`.\n * @docs-private\n */\n// Note: this class is generic, rather than referencing CdkDrag and CdkDropList directly, in order\n// to avoid circular imports. If we were to reference them here, importing the registry into the\n// classes that are registering themselves will introduce a circular import.\nvar DragDropRegistry = /** @class */ (function () {\n    function DragDropRegistry(_ngZone, _document) {\n        var _this = this;\n        this._ngZone = _ngZone;\n        /** Registered drop container instances. */\n        this._dropInstances = new Set();\n        /** Registered drag item instances. */\n        this._dragInstances = new Set();\n        /** Drag item instances that are currently being dragged. */\n        this._activeDragInstances = new Set();\n        /** Keeps track of the event listeners that we've bound to the `document`. */\n        this._globalListeners = new Map();\n        /**\n         * Emits the `touchmove` or `mousemove` events that are dispatched\n         * while the user is dragging a drag item instance.\n         */\n        this.pointerMove = new Subject();\n        /**\n         * Emits the `touchend` or `mouseup` events that are dispatched\n         * while the user is dragging a drag item instance.\n         */\n        this.pointerUp = new Subject();\n        /** Emits when the viewport has been scrolled while the user is dragging an item. */\n        this.scroll = new Subject();\n        /**\n         * Event listener that will prevent the default browser action while the user is dragging.\n         * @param event Event whose default action should be prevented.\n         */\n        this._preventDefaultWhileDragging = function (event) {\n            if (_this._activeDragInstances.size) {\n                event.preventDefault();\n            }\n        };\n        this._document = _document;\n    }\n    /** Adds a drop container to the registry. */\n    DragDropRegistry.prototype.registerDropContainer = function (drop) {\n        if (!this._dropInstances.has(drop)) {\n            this._dropInstances.add(drop);\n        }\n    };\n    /** Adds a drag item instance to the registry. */\n    DragDropRegistry.prototype.registerDragItem = function (drag) {\n        var _this = this;\n        this._dragInstances.add(drag);\n        // The `touchmove` event gets bound once, ahead of time, because WebKit\n        // won't preventDefault on a dynamically-added `touchmove` listener.\n        // See https://bugs.webkit.org/show_bug.cgi?id=184250.\n        if (this._dragInstances.size === 1) {\n            this._ngZone.runOutsideAngular(function () {\n                // The event handler has to be explicitly active,\n                // because newer browsers make it passive by default.\n                _this._document.addEventListener('touchmove', _this._preventDefaultWhileDragging, activeCapturingEventOptions);\n            });\n        }\n    };\n    /** Removes a drop container from the registry. */\n    DragDropRegistry.prototype.removeDropContainer = function (drop) {\n        this._dropInstances.delete(drop);\n    };\n    /** Removes a drag item instance from the registry. */\n    DragDropRegistry.prototype.removeDragItem = function (drag) {\n        this._dragInstances.delete(drag);\n        this.stopDragging(drag);\n        if (this._dragInstances.size === 0) {\n            this._document.removeEventListener('touchmove', this._preventDefaultWhileDragging, activeCapturingEventOptions);\n        }\n    };\n    /**\n     * Starts the dragging sequence for a drag instance.\n     * @param drag Drag instance which is being dragged.\n     * @param event Event that initiated the dragging.\n     */\n    DragDropRegistry.prototype.startDragging = function (drag, event) {\n        var _this = this;\n        // Do not process the same drag twice to avoid memory leaks and redundant listeners\n        if (this._activeDragInstances.has(drag)) {\n            return;\n        }\n        this._activeDragInstances.add(drag);\n        if (this._activeDragInstances.size === 1) {\n            var isTouchEvent = event.type.startsWith('touch');\n            var moveEvent = isTouchEvent ? 'touchmove' : 'mousemove';\n            var upEvent = isTouchEvent ? 'touchend' : 'mouseup';\n            // We explicitly bind __active__ listeners here, because newer browsers will default to\n            // passive ones for `mousemove` and `touchmove`. The events need to be active, because we\n            // use `preventDefault` to prevent the page from scrolling while the user is dragging.\n            this._globalListeners\n                .set(moveEvent, {\n                handler: function (e) { return _this.pointerMove.next(e); },\n                options: activeCapturingEventOptions\n            })\n                .set(upEvent, {\n                handler: function (e) { return _this.pointerUp.next(e); },\n                options: true\n            })\n                .set('scroll', {\n                handler: function (e) { return _this.scroll.next(e); },\n                // Use capturing so that we pick up scroll changes in any scrollable nodes that aren't\n                // the document. See https://github.com/angular/components/issues/17144.\n                options: true\n            })\n                // Preventing the default action on `mousemove` isn't enough to disable text selection\n                // on Safari so we need to prevent the selection event as well. Alternatively this can\n                // be done by setting `user-select: none` on the `body`, however it has causes a style\n                // recalculation which can be expensive on pages with a lot of elements.\n                .set('selectstart', {\n                handler: this._preventDefaultWhileDragging,\n                options: activeCapturingEventOptions\n            });\n            this._ngZone.runOutsideAngular(function () {\n                _this._globalListeners.forEach(function (config, name) {\n                    _this._document.addEventListener(name, config.handler, config.options);\n                });\n            });\n        }\n    };\n    /** Stops dragging a drag item instance. */\n    DragDropRegistry.prototype.stopDragging = function (drag) {\n        this._activeDragInstances.delete(drag);\n        if (this._activeDragInstances.size === 0) {\n            this._clearGlobalListeners();\n        }\n    };\n    /** Gets whether a drag item instance is currently being dragged. */\n    DragDropRegistry.prototype.isDragging = function (drag) {\n        return this._activeDragInstances.has(drag);\n    };\n    DragDropRegistry.prototype.ngOnDestroy = function () {\n        var _this = this;\n        this._dragInstances.forEach(function (instance) { return _this.removeDragItem(instance); });\n        this._dropInstances.forEach(function (instance) { return _this.removeDropContainer(instance); });\n        this._clearGlobalListeners();\n        this.pointerMove.complete();\n        this.pointerUp.complete();\n    };\n    /** Clears out the global event listeners from the `document`. */\n    DragDropRegistry.prototype._clearGlobalListeners = function () {\n        var _this = this;\n        this._globalListeners.forEach(function (config, name) {\n            _this._document.removeEventListener(name, config.handler, config.options);\n        });\n        this._globalListeners.clear();\n    };\n    DragDropRegistry.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    DragDropRegistry.ctorParameters = function () { return [\n        { type: NgZone },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }\n    ]; };\n    DragDropRegistry.ɵprov = ɵɵdefineInjectable({ factory: function DragDropRegistry_Factory() { return new DragDropRegistry(ɵɵinject(NgZone), ɵɵinject(DOCUMENT)); }, token: DragDropRegistry, providedIn: \"root\" });\n    return DragDropRegistry;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Default configuration to be used when creating a `DragRef`. */\nvar DEFAULT_CONFIG = {\n    dragStartThreshold: 5,\n    pointerDirectionChangeThreshold: 5\n};\n/**\n * Service that allows for drag-and-drop functionality to be attached to DOM elements.\n */\nvar DragDrop = /** @class */ (function () {\n    function DragDrop(_document, _ngZone, _viewportRuler, _dragDropRegistry) {\n        this._document = _document;\n        this._ngZone = _ngZone;\n        this._viewportRuler = _viewportRuler;\n        this._dragDropRegistry = _dragDropRegistry;\n    }\n    /**\n     * Turns an element into a draggable item.\n     * @param element Element to which to attach the dragging functionality.\n     * @param config Object used to configure the dragging behavior.\n     */\n    DragDrop.prototype.createDrag = function (element, config) {\n        if (config === void 0) { config = DEFAULT_CONFIG; }\n        return new DragRef(element, config, this._document, this._ngZone, this._viewportRuler, this._dragDropRegistry);\n    };\n    /**\n     * Turns an element into a drop list.\n     * @param element Element to which to attach the drop list functionality.\n     */\n    DragDrop.prototype.createDropList = function (element) {\n        return new DropListRef(element, this._dragDropRegistry, this._document, this._ngZone, this._viewportRuler);\n    };\n    DragDrop.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    DragDrop.ctorParameters = function () { return [\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },\n        { type: NgZone },\n        { type: ViewportRuler },\n        { type: DragDropRegistry }\n    ]; };\n    DragDrop.ɵprov = ɵɵdefineInjectable({ factory: function DragDrop_Factory() { return new DragDrop(ɵɵinject(DOCUMENT), ɵɵinject(NgZone), ɵɵinject(ViewportRuler), ɵɵinject(DragDropRegistry)); }, token: DragDrop, providedIn: \"root\" });\n    return DragDrop;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Injection token that can be used for a `CdkDrag` to provide itself as a parent to the\n * drag-specific child directive (`CdkDragHandle`, `CdkDragPreview` etc.). Used primarily\n * to avoid circular imports.\n * @docs-private\n */\nvar CDK_DRAG_PARENT = new InjectionToken('CDK_DRAG_PARENT');\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Handle that can be used to drag and CdkDrag instance. */\nvar CdkDragHandle = /** @class */ (function () {\n    function CdkDragHandle(element, parentDrag) {\n        this.element = element;\n        /** Emits when the state of the handle has changed. */\n        this._stateChanges = new Subject();\n        this._disabled = false;\n        this._parentDrag = parentDrag;\n        toggleNativeDragInteractions(element.nativeElement, false);\n    }\n    Object.defineProperty(CdkDragHandle.prototype, \"disabled\", {\n        /** Whether starting to drag through this handle is disabled. */\n        get: function () { return this._disabled; },\n        set: function (value) {\n            this._disabled = coerceBooleanProperty(value);\n            this._stateChanges.next(this);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    CdkDragHandle.prototype.ngOnDestroy = function () {\n        this._stateChanges.complete();\n    };\n    CdkDragHandle.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkDragHandle]',\n                    host: {\n                        'class': 'cdk-drag-handle'\n                    }\n                },] }\n    ];\n    /** @nocollapse */\n    CdkDragHandle.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: undefined, decorators: [{ type: Inject, args: [CDK_DRAG_PARENT,] }, { type: Optional }] }\n    ]; };\n    CdkDragHandle.propDecorators = {\n        disabled: [{ type: Input, args: ['cdkDragHandleDisabled',] }]\n    };\n    return CdkDragHandle;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Element that will be used as a template for the placeholder of a CdkDrag when\n * it is being dragged. The placeholder is displayed in place of the element being dragged.\n */\nvar CdkDragPlaceholder = /** @class */ (function () {\n    function CdkDragPlaceholder(templateRef) {\n        this.templateRef = templateRef;\n    }\n    CdkDragPlaceholder.decorators = [\n        { type: Directive, args: [{\n                    selector: 'ng-template[cdkDragPlaceholder]'\n                },] }\n    ];\n    /** @nocollapse */\n    CdkDragPlaceholder.ctorParameters = function () { return [\n        { type: TemplateRef }\n    ]; };\n    CdkDragPlaceholder.propDecorators = {\n        data: [{ type: Input }]\n    };\n    return CdkDragPlaceholder;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Element that will be used as a template for the preview\n * of a CdkDrag when it is being dragged.\n */\nvar CdkDragPreview = /** @class */ (function () {\n    function CdkDragPreview(templateRef) {\n        this.templateRef = templateRef;\n    }\n    CdkDragPreview.decorators = [\n        { type: Directive, args: [{\n                    selector: 'ng-template[cdkDragPreview]'\n                },] }\n    ];\n    /** @nocollapse */\n    CdkDragPreview.ctorParameters = function () { return [\n        { type: TemplateRef }\n    ]; };\n    CdkDragPreview.propDecorators = {\n        data: [{ type: Input }]\n    };\n    return CdkDragPreview;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Injection token that is used to provide a CdkDropList instance to CdkDrag.\n * Used for avoiding circular imports.\n */\nvar CDK_DROP_LIST = new InjectionToken('CDK_DROP_LIST');\n/** Injection token that can be used to configure the behavior of `CdkDrag`. */\nvar CDK_DRAG_CONFIG = new InjectionToken('CDK_DRAG_CONFIG', {\n    providedIn: 'root',\n    factory: CDK_DRAG_CONFIG_FACTORY\n});\n/** @docs-private */\nfunction CDK_DRAG_CONFIG_FACTORY() {\n    return { dragStartThreshold: 5, pointerDirectionChangeThreshold: 5 };\n}\n/** Element that can be moved inside a CdkDropList container. */\nvar CdkDrag = /** @class */ (function () {\n    function CdkDrag(\n    /** Element that the draggable is attached to. */\n    element, \n    /** Droppable container that the draggable is a part of. */\n    dropContainer, _document, _ngZone, _viewContainerRef, config, _dir, dragDrop, _changeDetectorRef) {\n        var _this = this;\n        this.element = element;\n        this.dropContainer = dropContainer;\n        this._document = _document;\n        this._ngZone = _ngZone;\n        this._viewContainerRef = _viewContainerRef;\n        this._dir = _dir;\n        this._changeDetectorRef = _changeDetectorRef;\n        this._destroyed = new Subject();\n        /**\n         * Amount of milliseconds to wait after the user has put their\n         * pointer down before starting to drag the element.\n         */\n        this.dragStartDelay = 0;\n        this._disabled = false;\n        /** Emits when the user starts dragging the item. */\n        this.started = new EventEmitter();\n        /** Emits when the user has released a drag item, before any animations have started. */\n        this.released = new EventEmitter();\n        /** Emits when the user stops dragging an item in the container. */\n        this.ended = new EventEmitter();\n        /** Emits when the user has moved the item into a new container. */\n        this.entered = new EventEmitter();\n        /** Emits when the user removes the item its container by dragging it into another container. */\n        this.exited = new EventEmitter();\n        /** Emits when the user drops the item inside a container. */\n        this.dropped = new EventEmitter();\n        /**\n         * Emits as the user is dragging the item. Use with caution,\n         * because this event will fire for every pixel that the user has dragged.\n         */\n        this.moved = new Observable(function (observer) {\n            var subscription = _this._dragRef.moved.pipe(map(function (movedEvent) { return ({\n                source: _this,\n                pointerPosition: movedEvent.pointerPosition,\n                event: movedEvent.event,\n                delta: movedEvent.delta,\n                distance: movedEvent.distance\n            }); })).subscribe(observer);\n            return function () {\n                subscription.unsubscribe();\n            };\n        });\n        this._dragRef = dragDrop.createDrag(element, config);\n        this._dragRef.data = this;\n        this._syncInputs(this._dragRef);\n        this._handleEvents(this._dragRef);\n    }\n    Object.defineProperty(CdkDrag.prototype, \"disabled\", {\n        /** Whether starting to drag this element is disabled. */\n        get: function () {\n            return this._disabled || (this.dropContainer && this.dropContainer.disabled);\n        },\n        set: function (value) {\n            this._disabled = coerceBooleanProperty(value);\n            this._dragRef.disabled = this._disabled;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Returns the element that is being used as a placeholder\n     * while the current element is being dragged.\n     */\n    CdkDrag.prototype.getPlaceholderElement = function () {\n        return this._dragRef.getPlaceholderElement();\n    };\n    /** Returns the root draggable element. */\n    CdkDrag.prototype.getRootElement = function () {\n        return this._dragRef.getRootElement();\n    };\n    /** Resets a standalone drag item to its initial position. */\n    CdkDrag.prototype.reset = function () {\n        this._dragRef.reset();\n    };\n    /**\n     * Gets the pixel coordinates of the draggable outside of a drop container.\n     */\n    CdkDrag.prototype.getFreeDragPosition = function () {\n        return this._dragRef.getFreeDragPosition();\n    };\n    CdkDrag.prototype.ngAfterViewInit = function () {\n        var _this = this;\n        // We need to wait for the zone to stabilize, in order for the reference\n        // element to be in the proper place in the DOM. This is mostly relevant\n        // for draggable elements inside portals since they get stamped out in\n        // their original DOM position and then they get transferred to the portal.\n        this._ngZone.onStable.asObservable()\n            .pipe(take(1), takeUntil(this._destroyed))\n            .subscribe(function () {\n            _this._updateRootElement();\n            // Listen for any newly-added handles.\n            _this._handles.changes.pipe(startWith(_this._handles), \n            // Sync the new handles with the DragRef.\n            tap(function (handles) {\n                var childHandleElements = handles\n                    .filter(function (handle) { return handle._parentDrag === _this; })\n                    .map(function (handle) { return handle.element; });\n                _this._dragRef.withHandles(childHandleElements);\n            }), \n            // Listen if the state of any of the handles changes.\n            switchMap(function (handles) {\n                return merge.apply(void 0, __spread(handles.map(function (item) {\n                    return item._stateChanges.pipe(startWith(item));\n                })));\n            }), takeUntil(_this._destroyed)).subscribe(function (handleInstance) {\n                // Enabled/disable the handle that changed in the DragRef.\n                var dragRef = _this._dragRef;\n                var handle = handleInstance.element.nativeElement;\n                handleInstance.disabled ? dragRef.disableHandle(handle) : dragRef.enableHandle(handle);\n            });\n            if (_this.freeDragPosition) {\n                _this._dragRef.setFreeDragPosition(_this.freeDragPosition);\n            }\n        });\n    };\n    CdkDrag.prototype.ngOnChanges = function (changes) {\n        var rootSelectorChange = changes['rootElementSelector'];\n        var positionChange = changes['freeDragPosition'];\n        // We don't have to react to the first change since it's being\n        // handled in `ngAfterViewInit` where it needs to be deferred.\n        if (rootSelectorChange && !rootSelectorChange.firstChange) {\n            this._updateRootElement();\n        }\n        // Skip the first change since it's being handled in `ngAfterViewInit`.\n        if (positionChange && !positionChange.firstChange && this.freeDragPosition) {\n            this._dragRef.setFreeDragPosition(this.freeDragPosition);\n        }\n    };\n    CdkDrag.prototype.ngOnDestroy = function () {\n        this._destroyed.next();\n        this._destroyed.complete();\n        this._dragRef.dispose();\n    };\n    /** Syncs the root element with the `DragRef`. */\n    CdkDrag.prototype._updateRootElement = function () {\n        var element = this.element.nativeElement;\n        var rootElement = this.rootElementSelector ?\n            getClosestMatchingAncestor(element, this.rootElementSelector) : element;\n        if (rootElement && rootElement.nodeType !== this._document.ELEMENT_NODE) {\n            throw Error(\"cdkDrag must be attached to an element node. \" +\n                (\"Currently attached to \\\"\" + rootElement.nodeName + \"\\\".\"));\n        }\n        this._dragRef.withRootElement(rootElement || element);\n    };\n    /** Gets the boundary element, based on the `boundaryElement` value. */\n    CdkDrag.prototype._getBoundaryElement = function () {\n        var boundary = this.boundaryElement;\n        if (!boundary) {\n            return null;\n        }\n        if (typeof boundary === 'string') {\n            return getClosestMatchingAncestor(this.element.nativeElement, boundary);\n        }\n        var element = coerceElement(boundary);\n        if (isDevMode() && !element.contains(this.element.nativeElement)) {\n            throw Error('Draggable element is not inside of the node passed into cdkDragBoundary.');\n        }\n        return element;\n    };\n    /** Syncs the inputs of the CdkDrag with the options of the underlying DragRef. */\n    CdkDrag.prototype._syncInputs = function (ref) {\n        var _this = this;\n        ref.beforeStarted.subscribe(function () {\n            if (!ref.isDragging()) {\n                var dir = _this._dir;\n                var dragStartDelay = _this.dragStartDelay;\n                var placeholder = _this._placeholderTemplate ? {\n                    template: _this._placeholderTemplate.templateRef,\n                    context: _this._placeholderTemplate.data,\n                    viewContainer: _this._viewContainerRef\n                } : null;\n                var preview = _this._previewTemplate ? {\n                    template: _this._previewTemplate.templateRef,\n                    context: _this._previewTemplate.data,\n                    viewContainer: _this._viewContainerRef\n                } : null;\n                ref.disabled = _this.disabled;\n                ref.lockAxis = _this.lockAxis;\n                ref.dragStartDelay = (typeof dragStartDelay === 'object' && dragStartDelay) ?\n                    dragStartDelay : coerceNumberProperty(dragStartDelay);\n                ref.constrainPosition = _this.constrainPosition;\n                ref.previewClass = _this.previewClass;\n                ref\n                    .withBoundaryElement(_this._getBoundaryElement())\n                    .withPlaceholderTemplate(placeholder)\n                    .withPreviewTemplate(preview);\n                if (dir) {\n                    ref.withDirection(dir.value);\n                }\n            }\n        });\n    };\n    /** Handles the events from the underlying `DragRef`. */\n    CdkDrag.prototype._handleEvents = function (ref) {\n        var _this = this;\n        ref.started.subscribe(function () {\n            _this.started.emit({ source: _this });\n            // Since all of these events run outside of change detection,\n            // we need to ensure that everything is marked correctly.\n            _this._changeDetectorRef.markForCheck();\n        });\n        ref.released.subscribe(function () {\n            _this.released.emit({ source: _this });\n        });\n        ref.ended.subscribe(function (event) {\n            _this.ended.emit({ source: _this, distance: event.distance });\n            // Since all of these events run outside of change detection,\n            // we need to ensure that everything is marked correctly.\n            _this._changeDetectorRef.markForCheck();\n        });\n        ref.entered.subscribe(function (event) {\n            _this.entered.emit({\n                container: event.container.data,\n                item: _this,\n                currentIndex: event.currentIndex\n            });\n        });\n        ref.exited.subscribe(function (event) {\n            _this.exited.emit({\n                container: event.container.data,\n                item: _this\n            });\n        });\n        ref.dropped.subscribe(function (event) {\n            _this.dropped.emit({\n                previousIndex: event.previousIndex,\n                currentIndex: event.currentIndex,\n                previousContainer: event.previousContainer.data,\n                container: event.container.data,\n                isPointerOverContainer: event.isPointerOverContainer,\n                item: _this,\n                distance: event.distance\n            });\n        });\n    };\n    CdkDrag.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkDrag]',\n                    exportAs: 'cdkDrag',\n                    host: {\n                        'class': 'cdk-drag',\n                        '[class.cdk-drag-disabled]': 'disabled',\n                        '[class.cdk-drag-dragging]': '_dragRef.isDragging()',\n                    },\n                    providers: [{ provide: CDK_DRAG_PARENT, useExisting: CdkDrag }]\n                },] }\n    ];\n    /** @nocollapse */\n    CdkDrag.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: undefined, decorators: [{ type: Inject, args: [CDK_DROP_LIST,] }, { type: Optional }, { type: SkipSelf }] },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },\n        { type: NgZone },\n        { type: ViewContainerRef },\n        { type: undefined, decorators: [{ type: Inject, args: [CDK_DRAG_CONFIG,] }] },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: DragDrop },\n        { type: ChangeDetectorRef }\n    ]; };\n    CdkDrag.propDecorators = {\n        _handles: [{ type: ContentChildren, args: [CdkDragHandle, { descendants: true },] }],\n        _previewTemplate: [{ type: ContentChild, args: [CdkDragPreview,] }],\n        _placeholderTemplate: [{ type: ContentChild, args: [CdkDragPlaceholder,] }],\n        data: [{ type: Input, args: ['cdkDragData',] }],\n        lockAxis: [{ type: Input, args: ['cdkDragLockAxis',] }],\n        rootElementSelector: [{ type: Input, args: ['cdkDragRootElement',] }],\n        boundaryElement: [{ type: Input, args: ['cdkDragBoundary',] }],\n        dragStartDelay: [{ type: Input, args: ['cdkDragStartDelay',] }],\n        freeDragPosition: [{ type: Input, args: ['cdkDragFreeDragPosition',] }],\n        disabled: [{ type: Input, args: ['cdkDragDisabled',] }],\n        constrainPosition: [{ type: Input, args: ['cdkDragConstrainPosition',] }],\n        previewClass: [{ type: Input, args: ['cdkDragPreviewClass',] }],\n        started: [{ type: Output, args: ['cdkDragStarted',] }],\n        released: [{ type: Output, args: ['cdkDragReleased',] }],\n        ended: [{ type: Output, args: ['cdkDragEnded',] }],\n        entered: [{ type: Output, args: ['cdkDragEntered',] }],\n        exited: [{ type: Output, args: ['cdkDragExited',] }],\n        dropped: [{ type: Output, args: ['cdkDragDropped',] }],\n        moved: [{ type: Output, args: ['cdkDragMoved',] }]\n    };\n    return CdkDrag;\n}());\n/** Gets the closest ancestor of an element that matches a selector. */\nfunction getClosestMatchingAncestor(element, selector) {\n    var currentElement = element.parentElement;\n    while (currentElement) {\n        // IE doesn't support `matches` so we have to fall back to `msMatchesSelector`.\n        if (currentElement.matches ? currentElement.matches(selector) :\n            currentElement.msMatchesSelector(selector)) {\n            return currentElement;\n        }\n        currentElement = currentElement.parentElement;\n    }\n    return null;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Declaratively connects sibling `cdkDropList` instances together. All of the `cdkDropList`\n * elements that are placed inside a `cdkDropListGroup` will be connected to each other\n * automatically. Can be used as an alternative to the `cdkDropListConnectedTo` input\n * from `cdkDropList`.\n */\nvar CdkDropListGroup = /** @class */ (function () {\n    function CdkDropListGroup() {\n        /** Drop lists registered inside the group. */\n        this._items = new Set();\n        this._disabled = false;\n    }\n    Object.defineProperty(CdkDropListGroup.prototype, \"disabled\", {\n        /** Whether starting a dragging sequence from inside this group is disabled. */\n        get: function () { return this._disabled; },\n        set: function (value) {\n            this._disabled = coerceBooleanProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    CdkDropListGroup.prototype.ngOnDestroy = function () {\n        this._items.clear();\n    };\n    CdkDropListGroup.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkDropListGroup]',\n                    exportAs: 'cdkDropListGroup',\n                },] }\n    ];\n    CdkDropListGroup.propDecorators = {\n        disabled: [{ type: Input, args: ['cdkDropListGroupDisabled',] }]\n    };\n    return CdkDropListGroup;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Counter used to generate unique ids for drop zones. */\nvar _uniqueIdCounter = 0;\nvar ɵ0 = undefined;\n/** Container that wraps a set of draggable items. */\nvar CdkDropList = /** @class */ (function () {\n    function CdkDropList(\n    /** Element that the drop list is attached to. */\n    element, dragDrop, _changeDetectorRef, _dir, _group) {\n        var _this = this;\n        this.element = element;\n        this._changeDetectorRef = _changeDetectorRef;\n        this._dir = _dir;\n        this._group = _group;\n        /** Emits when the list has been destroyed. */\n        this._destroyed = new Subject();\n        /**\n         * Other draggable containers that this container is connected to and into which the\n         * container's items can be transferred. Can either be references to other drop containers,\n         * or their unique IDs.\n         */\n        this.connectedTo = [];\n        /** Direction in which the list is oriented. */\n        this.orientation = 'vertical';\n        /**\n         * Unique ID for the drop zone. Can be used as a reference\n         * in the `connectedTo` of another `CdkDropList`.\n         */\n        this.id = \"cdk-drop-list-\" + _uniqueIdCounter++;\n        this._disabled = false;\n        /** Whether sorting within this drop list is disabled. */\n        this.sortingDisabled = false;\n        /**\n         * Function that is used to determine whether an item\n         * is allowed to be moved into a drop container.\n         */\n        this.enterPredicate = function () { return true; };\n        /** Whether to auto-scroll the view when the user moves their pointer close to the edges. */\n        this.autoScrollDisabled = false;\n        /** Emits when the user drops an item inside the container. */\n        this.dropped = new EventEmitter();\n        /**\n         * Emits when the user has moved a new drag item into this container.\n         */\n        this.entered = new EventEmitter();\n        /**\n         * Emits when the user removes an item from the container\n         * by dragging it into another container.\n         */\n        this.exited = new EventEmitter();\n        /** Emits as the user is swapping items while actively dragging. */\n        this.sorted = new EventEmitter();\n        this._dropListRef = dragDrop.createDropList(element);\n        this._dropListRef.data = this;\n        this._dropListRef.enterPredicate = function (drag, drop) {\n            return _this.enterPredicate(drag.data, drop.data);\n        };\n        this._setupInputSyncSubscription(this._dropListRef);\n        this._handleEvents(this._dropListRef);\n        CdkDropList._dropLists.push(this);\n        if (_group) {\n            _group._items.add(this);\n        }\n    }\n    Object.defineProperty(CdkDropList.prototype, \"disabled\", {\n        /** Whether starting a dragging sequence from this container is disabled. */\n        get: function () {\n            return this._disabled || (!!this._group && this._group.disabled);\n        },\n        set: function (value) {\n            // Usually we sync the directive and ref state right before dragging starts, in order to have\n            // a single point of failure and to avoid having to use setters for everything. `disabled` is\n            // a special case, because it can prevent the `beforeStarted` event from firing, which can lock\n            // the user in a disabled state, so we also need to sync it as it's being set.\n            this._dropListRef.disabled = this._disabled = coerceBooleanProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    CdkDropList.prototype.ngAfterContentInit = function () {\n        var _this = this;\n        this._draggables.changes\n            .pipe(startWith(this._draggables), takeUntil(this._destroyed))\n            .subscribe(function (items) {\n            _this._dropListRef.withItems(items.reduce(function (filteredItems, drag) {\n                if (drag.dropContainer === _this) {\n                    filteredItems.push(drag._dragRef);\n                }\n                return filteredItems;\n            }, []));\n        });\n    };\n    CdkDropList.prototype.ngOnDestroy = function () {\n        var index = CdkDropList._dropLists.indexOf(this);\n        if (index > -1) {\n            CdkDropList._dropLists.splice(index, 1);\n        }\n        if (this._group) {\n            this._group._items.delete(this);\n        }\n        this._dropListRef.dispose();\n        this._destroyed.next();\n        this._destroyed.complete();\n    };\n    /**\n     * Starts dragging an item.\n     * @deprecated No longer being used. To be removed.\n     * @breaking-change 10.0.0\n     */\n    CdkDropList.prototype.start = function () {\n        this._dropListRef.start();\n    };\n    /**\n     * Drops an item into this container.\n     * @param item Item being dropped into the container.\n     * @param currentIndex Index at which the item should be inserted.\n     * @param previousContainer Container from which the item got dragged in.\n     * @param isPointerOverContainer Whether the user's pointer was over the\n     *    container when the item was dropped.\n     *\n     * @deprecated No longer being used. To be removed.\n     * @breaking-change 10.0.0\n     */\n    CdkDropList.prototype.drop = function (item, currentIndex, previousContainer, isPointerOverContainer) {\n        this._dropListRef.drop(item._dragRef, currentIndex, previousContainer._dropListRef, isPointerOverContainer, { x: 0, y: 0 });\n    };\n    /**\n     * Emits an event to indicate that the user moved an item into the container.\n     * @param item Item that was moved into the container.\n     * @param pointerX Position of the item along the X axis.\n     * @param pointerY Position of the item along the Y axis.\n     * @deprecated No longer being used. To be removed.\n     * @breaking-change 10.0.0\n     */\n    CdkDropList.prototype.enter = function (item, pointerX, pointerY) {\n        this._dropListRef.enter(item._dragRef, pointerX, pointerY);\n    };\n    /**\n     * Removes an item from the container after it was dragged into another container by the user.\n     * @param item Item that was dragged out.\n     * @deprecated No longer being used. To be removed.\n     * @breaking-change 10.0.0\n     */\n    CdkDropList.prototype.exit = function (item) {\n        this._dropListRef.exit(item._dragRef);\n    };\n    /**\n     * Figures out the index of an item in the container.\n     * @param item Item whose index should be determined.\n     * @deprecated No longer being used. To be removed.\n     * @breaking-change 10.0.0\n     */\n    CdkDropList.prototype.getItemIndex = function (item) {\n        return this._dropListRef.getItemIndex(item._dragRef);\n    };\n    /** Syncs the inputs of the CdkDropList with the options of the underlying DropListRef. */\n    CdkDropList.prototype._setupInputSyncSubscription = function (ref) {\n        var _this = this;\n        if (this._dir) {\n            this._dir.change\n                .pipe(startWith(this._dir.value), takeUntil(this._destroyed))\n                .subscribe(function (value) { return ref.withDirection(value); });\n        }\n        ref.beforeStarted.subscribe(function () {\n            var siblings = coerceArray(_this.connectedTo).map(function (drop) {\n                return typeof drop === 'string' ?\n                    CdkDropList._dropLists.find(function (list) { return list.id === drop; }) : drop;\n            });\n            if (_this._group) {\n                _this._group._items.forEach(function (drop) {\n                    if (siblings.indexOf(drop) === -1) {\n                        siblings.push(drop);\n                    }\n                });\n            }\n            ref.disabled = _this.disabled;\n            ref.lockAxis = _this.lockAxis;\n            ref.sortingDisabled = coerceBooleanProperty(_this.sortingDisabled);\n            ref.autoScrollDisabled = coerceBooleanProperty(_this.autoScrollDisabled);\n            ref\n                .connectedTo(siblings.filter(function (drop) { return drop && drop !== _this; }).map(function (list) { return list._dropListRef; }))\n                .withOrientation(_this.orientation);\n        });\n    };\n    /** Handles events from the underlying DropListRef. */\n    CdkDropList.prototype._handleEvents = function (ref) {\n        var _this = this;\n        ref.beforeStarted.subscribe(function () {\n            _this._changeDetectorRef.markForCheck();\n        });\n        ref.entered.subscribe(function (event) {\n            _this.entered.emit({\n                container: _this,\n                item: event.item.data,\n                currentIndex: event.currentIndex\n            });\n        });\n        ref.exited.subscribe(function (event) {\n            _this.exited.emit({\n                container: _this,\n                item: event.item.data\n            });\n            _this._changeDetectorRef.markForCheck();\n        });\n        ref.sorted.subscribe(function (event) {\n            _this.sorted.emit({\n                previousIndex: event.previousIndex,\n                currentIndex: event.currentIndex,\n                container: _this,\n                item: event.item.data\n            });\n        });\n        ref.dropped.subscribe(function (event) {\n            _this.dropped.emit({\n                previousIndex: event.previousIndex,\n                currentIndex: event.currentIndex,\n                previousContainer: event.previousContainer.data,\n                container: event.container.data,\n                item: event.item.data,\n                isPointerOverContainer: event.isPointerOverContainer,\n                distance: event.distance\n            });\n            // Mark for check since all of these events run outside of change\n            // detection and we're not guaranteed for something else to have triggered it.\n            _this._changeDetectorRef.markForCheck();\n        });\n    };\n    /** Keeps track of the drop lists that are currently on the page. */\n    CdkDropList._dropLists = [];\n    CdkDropList.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkDropList], cdk-drop-list',\n                    exportAs: 'cdkDropList',\n                    providers: [\n                        // Prevent child drop lists from picking up the same group as their parent.\n                        { provide: CdkDropListGroup, useValue: ɵ0 },\n                        { provide: CDK_DROP_LIST, useExisting: CdkDropList },\n                    ],\n                    host: {\n                        'class': 'cdk-drop-list',\n                        '[id]': 'id',\n                        '[class.cdk-drop-list-disabled]': 'disabled',\n                        '[class.cdk-drop-list-dragging]': '_dropListRef.isDragging()',\n                        '[class.cdk-drop-list-receiving]': '_dropListRef.isReceiving()',\n                    }\n                },] }\n    ];\n    /** @nocollapse */\n    CdkDropList.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: DragDrop },\n        { type: ChangeDetectorRef },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: CdkDropListGroup, decorators: [{ type: Optional }, { type: SkipSelf }] }\n    ]; };\n    CdkDropList.propDecorators = {\n        _draggables: [{ type: ContentChildren, args: [CdkDrag, { descendants: true },] }],\n        connectedTo: [{ type: Input, args: ['cdkDropListConnectedTo',] }],\n        data: [{ type: Input, args: ['cdkDropListData',] }],\n        orientation: [{ type: Input, args: ['cdkDropListOrientation',] }],\n        id: [{ type: Input }],\n        lockAxis: [{ type: Input, args: ['cdkDropListLockAxis',] }],\n        disabled: [{ type: Input, args: ['cdkDropListDisabled',] }],\n        sortingDisabled: [{ type: Input, args: ['cdkDropListSortingDisabled',] }],\n        enterPredicate: [{ type: Input, args: ['cdkDropListEnterPredicate',] }],\n        autoScrollDisabled: [{ type: Input, args: ['cdkDropListAutoScrollDisabled',] }],\n        dropped: [{ type: Output, args: ['cdkDropListDropped',] }],\n        entered: [{ type: Output, args: ['cdkDropListEntered',] }],\n        exited: [{ type: Output, args: ['cdkDropListExited',] }],\n        sorted: [{ type: Output, args: ['cdkDropListSorted',] }]\n    };\n    return CdkDropList;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar DragDropModule = /** @class */ (function () {\n    function DragDropModule() {\n    }\n    DragDropModule.decorators = [\n        { type: NgModule, args: [{\n                    declarations: [\n                        CdkDropList,\n                        CdkDropListGroup,\n                        CdkDrag,\n                        CdkDragHandle,\n                        CdkDragPreview,\n                        CdkDragPlaceholder,\n                    ],\n                    exports: [\n                        CdkDropList,\n                        CdkDropListGroup,\n                        CdkDrag,\n                        CdkDragHandle,\n                        CdkDragPreview,\n                        CdkDragPlaceholder,\n                    ],\n                    providers: [\n                        DragDrop,\n                    ]\n                },] }\n    ];\n    return DragDropModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { CDK_DRAG_CONFIG, CDK_DRAG_CONFIG_FACTORY, CDK_DROP_LIST, CdkDrag, CdkDragHandle, CdkDragPlaceholder, CdkDragPreview, CdkDropList, CdkDropListGroup, DragDrop, DragDropModule, DragDropRegistry, DragRef, DropListRef, copyArrayItem, moveItemInArray, transferArrayItem, CDK_DRAG_PARENT as ɵangular_material_src_cdk_drag_drop_drag_drop_b };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar geoCoordMap = {\n  'Russia': [100, 60],\n  'United States': [-99, 38],\n  'United States of America': [-99, 38]\n};\nexport default function fixGeoCoords(mapType, region) {\n  if (mapType === 'world') {\n    var geoCoord = geoCoordMap[region.name];\n\n    if (geoCoord) {\n      var cp = [geoCoord[0], geoCoord[1]];\n      region.setCenter(cp);\n    }\n  }\n}","import { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { Observable } from '../Observable';\nimport { OperatorFunction } from '../types';\n\n/**\n * Emits the given constant value on the output Observable every time the source\n * Observable emits a value.\n *\n * <span class=\"informal\">Like {@link map}, but it maps every source value to\n * the same output value every time.</span>\n *\n * ![](mapTo.png)\n *\n * Takes a constant `value` as argument, and emits that whenever the source\n * Observable emits a value. In other words, ignores the actual source value,\n * and simply uses the emission moment to know when to emit the given `value`.\n *\n * ## Example\n * Map every click to the string 'Hi'\n * ```ts\n * import { fromEvent } from 'rxjs';\n * import { mapTo } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const greetings = clicks.pipe(mapTo('Hi'));\n * greetings.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link map}\n *\n * @param {any} value The value to map each source value to.\n * @return {Observable} An Observable that emits the given `value` every time\n * the source Observable emits something.\n * @method mapTo\n * @owner Observable\n */\nexport function mapTo<T, R>(value: R): OperatorFunction<T, R> {\n  return (source: Observable<T>) => source.lift(new MapToOperator(value));\n}\n\nclass MapToOperator<T, R> implements Operator<T, R> {\n\n  value: R;\n\n  constructor(value: R) {\n    this.value = value;\n  }\n\n  call(subscriber: Subscriber<R>, source: any): any {\n    return source.subscribe(new MapToSubscriber(subscriber, this.value));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass MapToSubscriber<T, R> extends Subscriber<T> {\n\n  value: R;\n\n  constructor(destination: Subscriber<R>, value: R) {\n    super(destination);\n    this.value = value;\n  }\n\n  protected _next(x: T) {\n    this.destination.next(this.value);\n  }\n}\n","import { quadraticProjectPoint } from '../core/curve';\nexport function containStroke(x0, y0, x1, y1, x2, y2, lineWidth, x, y) {\n    if (lineWidth === 0) {\n        return false;\n    }\n    var _l = lineWidth;\n    if ((y > y0 + _l && y > y1 + _l && y > y2 + _l)\n        || (y < y0 - _l && y < y1 - _l && y < y2 - _l)\n        || (x > x0 + _l && x > x1 + _l && x > x2 + _l)\n        || (x < x0 - _l && x < x1 - _l && x < x2 - _l)) {\n        return false;\n    }\n    var d = quadraticProjectPoint(x0, y0, x1, y1, x2, y2, x, y, null);\n    return d <= _l / 2;\n}\n","'use strict';\n\n// do not edit .js files directly - edit src/index.jst\n\n\n\nmodule.exports = function equal(a, b) {\n  if (a === b) return true;\n\n  if (a && b && typeof a == 'object' && typeof b == 'object') {\n    if (a.constructor !== b.constructor) return false;\n\n    var length, i, keys;\n    if (Array.isArray(a)) {\n      length = a.length;\n      if (length != b.length) return false;\n      for (i = length; i-- !== 0;)\n        if (!equal(a[i], b[i])) return false;\n      return true;\n    }\n\n\n\n    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;\n    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();\n    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();\n\n    keys = Object.keys(a);\n    length = keys.length;\n    if (length !== Object.keys(b).length) return false;\n\n    for (i = length; i-- !== 0;)\n      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;\n\n    for (i = length; i-- !== 0;) {\n      var key = keys[i];\n\n      if (!equal(a[key], b[key])) return false;\n    }\n\n    return true;\n  }\n\n  // true if both NaN, false otherwise\n  return a!==a && b!==b;\n};\n","var Param = (function () {\n    function Param(target, e) {\n        this.target = target;\n        this.topTarget = e && e.topTarget;\n    }\n    return Param;\n}());\nvar Draggable = (function () {\n    function Draggable(handler) {\n        this.handler = handler;\n        handler.on('mousedown', this._dragStart, this);\n        handler.on('mousemove', this._drag, this);\n        handler.on('mouseup', this._dragEnd, this);\n    }\n    Draggable.prototype._dragStart = function (e) {\n        var draggingTarget = e.target;\n        while (draggingTarget && !draggingTarget.draggable) {\n            draggingTarget = draggingTarget.parent;\n        }\n        if (draggingTarget) {\n            this._draggingTarget = draggingTarget;\n            draggingTarget.dragging = true;\n            this._x = e.offsetX;\n            this._y = e.offsetY;\n            this.handler.dispatchToElement(new Param(draggingTarget, e), 'dragstart', e.event);\n        }\n    };\n    Draggable.prototype._drag = function (e) {\n        var draggingTarget = this._draggingTarget;\n        if (draggingTarget) {\n            var x = e.offsetX;\n            var y = e.offsetY;\n            var dx = x - this._x;\n            var dy = y - this._y;\n            this._x = x;\n            this._y = y;\n            draggingTarget.drift(dx, dy, e);\n            this.handler.dispatchToElement(new Param(draggingTarget, e), 'drag', e.event);\n            var dropTarget = this.handler.findHover(x, y, draggingTarget).target;\n            var lastDropTarget = this._dropTarget;\n            this._dropTarget = dropTarget;\n            if (draggingTarget !== dropTarget) {\n                if (lastDropTarget && dropTarget !== lastDropTarget) {\n                    this.handler.dispatchToElement(new Param(lastDropTarget, e), 'dragleave', e.event);\n                }\n                if (dropTarget && dropTarget !== lastDropTarget) {\n                    this.handler.dispatchToElement(new Param(dropTarget, e), 'dragenter', e.event);\n                }\n            }\n        }\n    };\n    Draggable.prototype._dragEnd = function (e) {\n        var draggingTarget = this._draggingTarget;\n        if (draggingTarget) {\n            draggingTarget.dragging = false;\n        }\n        this.handler.dispatchToElement(new Param(draggingTarget, e), 'dragend', e.event);\n        if (this._dropTarget) {\n            this.handler.dispatchToElement(new Param(this._dropTarget, e), 'drop', e.event);\n        }\n        this._draggingTarget = null;\n        this._dropTarget = null;\n    };\n    return Draggable;\n}());\nexport default Draggable;\n","import * as eventUtil from './event';\nvar GestureMgr = (function () {\n    function GestureMgr() {\n        this._track = [];\n    }\n    GestureMgr.prototype.recognize = function (event, target, root) {\n        this._doTrack(event, target, root);\n        return this._recognize(event);\n    };\n    GestureMgr.prototype.clear = function () {\n        this._track.length = 0;\n        return this;\n    };\n    GestureMgr.prototype._doTrack = function (event, target, root) {\n        var touches = event.touches;\n        if (!touches) {\n            return;\n        }\n        var trackItem = {\n            points: [],\n            touches: [],\n            target: target,\n            event: event\n        };\n        for (var i = 0, len = touches.length; i < len; i++) {\n            var touch = touches[i];\n            var pos = eventUtil.clientToLocal(root, touch, {});\n            trackItem.points.push([pos.zrX, pos.zrY]);\n            trackItem.touches.push(touch);\n        }\n        this._track.push(trackItem);\n    };\n    GestureMgr.prototype._recognize = function (event) {\n        for (var eventName in recognizers) {\n            if (recognizers.hasOwnProperty(eventName)) {\n                var gestureInfo = recognizers[eventName](this._track, event);\n                if (gestureInfo) {\n                    return gestureInfo;\n                }\n            }\n        }\n    };\n    return GestureMgr;\n}());\nexport { GestureMgr };\nfunction dist(pointPair) {\n    var dx = pointPair[1][0] - pointPair[0][0];\n    var dy = pointPair[1][1] - pointPair[0][1];\n    return Math.sqrt(dx * dx + dy * dy);\n}\nfunction center(pointPair) {\n    return [\n        (pointPair[0][0] + pointPair[1][0]) / 2,\n        (pointPair[0][1] + pointPair[1][1]) / 2\n    ];\n}\nvar recognizers = {\n    pinch: function (tracks, event) {\n        var trackLen = tracks.length;\n        if (!trackLen) {\n            return;\n        }\n        var pinchEnd = (tracks[trackLen - 1] || {}).points;\n        var pinchPre = (tracks[trackLen - 2] || {}).points || pinchEnd;\n        if (pinchPre\n            && pinchPre.length > 1\n            && pinchEnd\n            && pinchEnd.length > 1) {\n            var pinchScale = dist(pinchEnd) / dist(pinchPre);\n            !isFinite(pinchScale) && (pinchScale = 1);\n            event.pinchScale = pinchScale;\n            var pinchCenter = center(pinchEnd);\n            event.pinchX = pinchCenter[0];\n            event.pinchY = pinchCenter[1];\n            return {\n                type: 'pinch',\n                target: tracks[0].target,\n                event: event\n            };\n        }\n    }\n};\n","import { __extends } from \"tslib\";\nimport * as util from './core/util';\nimport * as vec2 from './core/vector';\nimport Draggable from './mixin/Draggable';\nimport Eventful from './core/Eventful';\nimport * as eventTool from './core/event';\nimport { GestureMgr } from './core/GestureMgr';\nvar SILENT = 'silent';\nfunction makeEventPacket(eveType, targetInfo, event) {\n    return {\n        type: eveType,\n        event: event,\n        target: targetInfo.target,\n        topTarget: targetInfo.topTarget,\n        cancelBubble: false,\n        offsetX: event.zrX,\n        offsetY: event.zrY,\n        gestureEvent: event.gestureEvent,\n        pinchX: event.pinchX,\n        pinchY: event.pinchY,\n        pinchScale: event.pinchScale,\n        wheelDelta: event.zrDelta,\n        zrByTouch: event.zrByTouch,\n        which: event.which,\n        stop: stopEvent\n    };\n}\nfunction stopEvent() {\n    eventTool.stop(this.event);\n}\nvar EmptyProxy = (function (_super) {\n    __extends(EmptyProxy, _super);\n    function EmptyProxy() {\n        var _this = _super !== null && _super.apply(this, arguments) || this;\n        _this.handler = null;\n        return _this;\n    }\n    EmptyProxy.prototype.dispose = function () { };\n    EmptyProxy.prototype.setCursor = function () { };\n    return EmptyProxy;\n}(Eventful));\nvar HoveredResult = (function () {\n    function HoveredResult(x, y) {\n        this.x = x;\n        this.y = y;\n    }\n    return HoveredResult;\n}());\nvar handlerNames = [\n    'click', 'dblclick', 'mousewheel', 'mouseout',\n    'mouseup', 'mousedown', 'mousemove', 'contextmenu'\n];\nvar Handler = (function (_super) {\n    __extends(Handler, _super);\n    function Handler(storage, painter, proxy, painterRoot) {\n        var _this = _super.call(this) || this;\n        _this._hovered = new HoveredResult(0, 0);\n        _this.storage = storage;\n        _this.painter = painter;\n        _this.painterRoot = painterRoot;\n        proxy = proxy || new EmptyProxy();\n        _this.proxy = null;\n        _this.setHandlerProxy(proxy);\n        _this._draggingMgr = new Draggable(_this);\n        return _this;\n    }\n    Handler.prototype.setHandlerProxy = function (proxy) {\n        if (this.proxy) {\n            this.proxy.dispose();\n        }\n        if (proxy) {\n            util.each(handlerNames, function (name) {\n                proxy.on && proxy.on(name, this[name], this);\n            }, this);\n            proxy.handler = this;\n        }\n        this.proxy = proxy;\n    };\n    Handler.prototype.mousemove = function (event) {\n        var x = event.zrX;\n        var y = event.zrY;\n        var isOutside = isOutsideBoundary(this, x, y);\n        var lastHovered = this._hovered;\n        var lastHoveredTarget = lastHovered.target;\n        if (lastHoveredTarget && !lastHoveredTarget.__zr) {\n            lastHovered = this.findHover(lastHovered.x, lastHovered.y);\n            lastHoveredTarget = lastHovered.target;\n        }\n        var hovered = this._hovered = isOutside ? new HoveredResult(x, y) : this.findHover(x, y);\n        var hoveredTarget = hovered.target;\n        var proxy = this.proxy;\n        proxy.setCursor && proxy.setCursor(hoveredTarget ? hoveredTarget.cursor : 'default');\n        if (lastHoveredTarget && hoveredTarget !== lastHoveredTarget) {\n            this.dispatchToElement(lastHovered, 'mouseout', event);\n        }\n        this.dispatchToElement(hovered, 'mousemove', event);\n        if (hoveredTarget && hoveredTarget !== lastHoveredTarget) {\n            this.dispatchToElement(hovered, 'mouseover', event);\n        }\n    };\n    Handler.prototype.mouseout = function (event) {\n        var eventControl = event.zrEventControl;\n        if (eventControl !== 'only_globalout') {\n            this.dispatchToElement(this._hovered, 'mouseout', event);\n        }\n        if (eventControl !== 'no_globalout') {\n            this.trigger('globalout', { type: 'globalout', event: event });\n        }\n    };\n    Handler.prototype.resize = function () {\n        this._hovered = new HoveredResult(0, 0);\n    };\n    Handler.prototype.dispatch = function (eventName, eventArgs) {\n        var handler = this[eventName];\n        handler && handler.call(this, eventArgs);\n    };\n    Handler.prototype.dispose = function () {\n        this.proxy.dispose();\n        this.storage = null;\n        this.proxy = null;\n        this.painter = null;\n    };\n    Handler.prototype.setCursorStyle = function (cursorStyle) {\n        var proxy = this.proxy;\n        proxy.setCursor && proxy.setCursor(cursorStyle);\n    };\n    Handler.prototype.dispatchToElement = function (targetInfo, eventName, event) {\n        targetInfo = targetInfo || {};\n        var el = targetInfo.target;\n        if (el && el.silent) {\n            return;\n        }\n        var eventKey = ('on' + eventName);\n        var eventPacket = makeEventPacket(eventName, targetInfo, event);\n        while (el) {\n            el[eventKey]\n                && (eventPacket.cancelBubble = !!el[eventKey].call(el, eventPacket));\n            el.trigger(eventName, eventPacket);\n            el = el.__hostTarget ? el.__hostTarget : el.parent;\n            if (eventPacket.cancelBubble) {\n                break;\n            }\n        }\n        if (!eventPacket.cancelBubble) {\n            this.trigger(eventName, eventPacket);\n            if (this.painter && this.painter.eachOtherLayer) {\n                this.painter.eachOtherLayer(function (layer) {\n                    if (typeof (layer[eventKey]) === 'function') {\n                        layer[eventKey].call(layer, eventPacket);\n                    }\n                    if (layer.trigger) {\n                        layer.trigger(eventName, eventPacket);\n                    }\n                });\n            }\n        }\n    };\n    Handler.prototype.findHover = function (x, y, exclude) {\n        var list = this.storage.getDisplayList();\n        var out = new HoveredResult(x, y);\n        for (var i = list.length - 1; i >= 0; i--) {\n            var hoverCheckResult = void 0;\n            if (list[i] !== exclude\n                && !list[i].ignore\n                && (hoverCheckResult = isHover(list[i], x, y))) {\n                !out.topTarget && (out.topTarget = list[i]);\n                if (hoverCheckResult !== SILENT) {\n                    out.target = list[i];\n                    break;\n                }\n            }\n        }\n        return out;\n    };\n    Handler.prototype.processGesture = function (event, stage) {\n        if (!this._gestureMgr) {\n            this._gestureMgr = new GestureMgr();\n        }\n        var gestureMgr = this._gestureMgr;\n        stage === 'start' && gestureMgr.clear();\n        var gestureInfo = gestureMgr.recognize(event, this.findHover(event.zrX, event.zrY, null).target, this.proxy.dom);\n        stage === 'end' && gestureMgr.clear();\n        if (gestureInfo) {\n            var type = gestureInfo.type;\n            event.gestureEvent = type;\n            var res = new HoveredResult();\n            res.target = gestureInfo.target;\n            this.dispatchToElement(res, type, gestureInfo.event);\n        }\n    };\n    return Handler;\n}(Eventful));\nutil.each(['click', 'mousedown', 'mouseup', 'mousewheel', 'dblclick', 'contextmenu'], function (name) {\n    Handler.prototype[name] = function (event) {\n        var x = event.zrX;\n        var y = event.zrY;\n        var isOutside = isOutsideBoundary(this, x, y);\n        var hovered;\n        var hoveredTarget;\n        if (name !== 'mouseup' || !isOutside) {\n            hovered = this.findHover(x, y);\n            hoveredTarget = hovered.target;\n        }\n        if (name === 'mousedown') {\n            this._downEl = hoveredTarget;\n            this._downPoint = [event.zrX, event.zrY];\n            this._upEl = hoveredTarget;\n        }\n        else if (name === 'mouseup') {\n            this._upEl = hoveredTarget;\n        }\n        else if (name === 'click') {\n            if (this._downEl !== this._upEl\n                || !this._downPoint\n                || vec2.dist(this._downPoint, [event.zrX, event.zrY]) > 4) {\n                return;\n            }\n            this._downPoint = null;\n        }\n        this.dispatchToElement(hovered, name, event);\n    };\n});\nfunction isHover(displayable, x, y) {\n    if (displayable[displayable.rectHover ? 'rectContain' : 'contain'](x, y)) {\n        var el = displayable;\n        var isSilent = void 0;\n        var ignoreClip = false;\n        while (el) {\n            if (el.ignoreClip) {\n                ignoreClip = true;\n            }\n            if (!ignoreClip) {\n                var clipPath = el.getClipPath();\n                if (clipPath && !clipPath.contain(x, y)) {\n                    return false;\n                }\n                if (el.silent) {\n                    isSilent = true;\n                }\n            }\n            var hostEl = el.__hostTarget;\n            el = hostEl ? hostEl : el.parent;\n        }\n        return isSilent ? SILENT : true;\n    }\n    return false;\n}\nfunction isOutsideBoundary(handlerInstance, x, y) {\n    var painter = handlerInstance.painter;\n    return x < 0 || x > painter.getWidth() || y < 0 || y > painter.getHeight();\n}\nexport default Handler;\n","import * as util from './core/util';\nimport env from './core/env';\nimport Element from './Element';\nimport timsort from './core/timsort';\nvar invalidZErrorLogged = false;\nfunction logInvalidZError() {\n    if (invalidZErrorLogged) {\n        return;\n    }\n    invalidZErrorLogged = true;\n    console.warn('z / z2 / zlevel of displayable is invalid, which may cause unexpected errors');\n}\nfunction shapeCompareFunc(a, b) {\n    if (a.zlevel === b.zlevel) {\n        if (a.z === b.z) {\n            return a.z2 - b.z2;\n        }\n        return a.z - b.z;\n    }\n    return a.zlevel - b.zlevel;\n}\nvar Storage = (function () {\n    function Storage() {\n        this._roots = [];\n        this._displayList = [];\n        this._displayListLen = 0;\n        this.displayableSortFunc = shapeCompareFunc;\n    }\n    Storage.prototype.traverse = function (cb, context) {\n        for (var i = 0; i < this._roots.length; i++) {\n            this._roots[i].traverse(cb, context);\n        }\n    };\n    Storage.prototype.getDisplayList = function (update, includeIgnore) {\n        includeIgnore = includeIgnore || false;\n        var displayList = this._displayList;\n        if (update || !displayList.length) {\n            this.updateDisplayList(includeIgnore);\n        }\n        return displayList;\n    };\n    Storage.prototype.updateDisplayList = function (includeIgnore) {\n        this._displayListLen = 0;\n        var roots = this._roots;\n        var displayList = this._displayList;\n        for (var i = 0, len = roots.length; i < len; i++) {\n            this._updateAndAddDisplayable(roots[i], null, includeIgnore);\n        }\n        displayList.length = this._displayListLen;\n        env.canvasSupported && timsort(displayList, shapeCompareFunc);\n    };\n    Storage.prototype._updateAndAddDisplayable = function (el, clipPaths, includeIgnore) {\n        if (el.ignore && !includeIgnore) {\n            return;\n        }\n        el.beforeUpdate();\n        el.update();\n        el.afterUpdate();\n        var userSetClipPath = el.getClipPath();\n        if (el.ignoreClip) {\n            clipPaths = null;\n        }\n        else if (userSetClipPath) {\n            if (clipPaths) {\n                clipPaths = clipPaths.slice();\n            }\n            else {\n                clipPaths = [];\n            }\n            var currentClipPath = userSetClipPath;\n            var parentClipPath = el;\n            while (currentClipPath) {\n                currentClipPath.parent = parentClipPath;\n                currentClipPath.updateTransform();\n                clipPaths.push(currentClipPath);\n                parentClipPath = currentClipPath;\n                currentClipPath = currentClipPath.getClipPath();\n            }\n        }\n        if (el.childrenRef) {\n            var children = el.childrenRef();\n            for (var i = 0; i < children.length; i++) {\n                var child = children[i];\n                if (el.__dirty) {\n                    child.__dirty |= Element.REDARAW_BIT;\n                }\n                this._updateAndAddDisplayable(child, clipPaths, includeIgnore);\n            }\n            el.__dirty = 0;\n        }\n        else {\n            var disp = el;\n            if (clipPaths && clipPaths.length) {\n                disp.__clipPaths = clipPaths;\n            }\n            else if (disp.__clipPaths && disp.__clipPaths.length > 0) {\n                disp.__clipPaths = [];\n            }\n            if (isNaN(disp.z)) {\n                logInvalidZError();\n                disp.z = 0;\n            }\n            if (isNaN(disp.z2)) {\n                logInvalidZError();\n                disp.z2 = 0;\n            }\n            if (isNaN(disp.zlevel)) {\n                logInvalidZError();\n                disp.zlevel = 0;\n            }\n            this._displayList[this._displayListLen++] = disp;\n        }\n        var decalEl = el.getDecalElement && el.getDecalElement();\n        if (decalEl) {\n            this._updateAndAddDisplayable(decalEl, clipPaths, includeIgnore);\n        }\n        var textGuide = el.getTextGuideLine();\n        if (textGuide) {\n            this._updateAndAddDisplayable(textGuide, clipPaths, includeIgnore);\n        }\n        var textEl = el.getTextContent();\n        if (textEl) {\n            this._updateAndAddDisplayable(textEl, clipPaths, includeIgnore);\n        }\n    };\n    Storage.prototype.addRoot = function (el) {\n        if (el.__zr && el.__zr.storage === this) {\n            return;\n        }\n        this._roots.push(el);\n    };\n    Storage.prototype.delRoot = function (el) {\n        if (el instanceof Array) {\n            for (var i = 0, l = el.length; i < l; i++) {\n                this.delRoot(el[i]);\n            }\n            return;\n        }\n        var idx = util.indexOf(this._roots, el);\n        if (idx >= 0) {\n            this._roots.splice(idx, 1);\n        }\n    };\n    Storage.prototype.delAllRoots = function () {\n        this._roots = [];\n        this._displayList = [];\n        this._displayListLen = 0;\n        return;\n    };\n    Storage.prototype.getRoots = function () {\n        return this._roots;\n    };\n    Storage.prototype.dispose = function () {\n        this._displayList = null;\n        this._roots = null;\n    };\n    return Storage;\n}());\nexport default Storage;\n","import { __extends } from \"tslib\";\nimport { addEventListener, removeEventListener, normalizeEvent, getNativeEvent } from '../core/event';\nimport * as zrUtil from '../core/util';\nimport Eventful from '../core/Eventful';\nimport env from '../core/env';\nvar TOUCH_CLICK_DELAY = 300;\nvar globalEventSupported = env.domSupported;\nvar localNativeListenerNames = (function () {\n    var mouseHandlerNames = [\n        'click', 'dblclick', 'mousewheel', 'wheel', 'mouseout',\n        'mouseup', 'mousedown', 'mousemove', 'contextmenu'\n    ];\n    var touchHandlerNames = [\n        'touchstart', 'touchend', 'touchmove'\n    ];\n    var pointerEventNameMap = {\n        pointerdown: 1, pointerup: 1, pointermove: 1, pointerout: 1\n    };\n    var pointerHandlerNames = zrUtil.map(mouseHandlerNames, function (name) {\n        var nm = name.replace('mouse', 'pointer');\n        return pointerEventNameMap.hasOwnProperty(nm) ? nm : name;\n    });\n    return {\n        mouse: mouseHandlerNames,\n        touch: touchHandlerNames,\n        pointer: pointerHandlerNames\n    };\n})();\nvar globalNativeListenerNames = {\n    mouse: ['mousemove', 'mouseup'],\n    pointer: ['pointermove', 'pointerup']\n};\nvar wheelEventSupported = false;\nfunction isPointerFromTouch(event) {\n    var pointerType = event.pointerType;\n    return pointerType === 'pen' || pointerType === 'touch';\n}\nfunction setTouchTimer(scope) {\n    scope.touching = true;\n    if (scope.touchTimer != null) {\n        clearTimeout(scope.touchTimer);\n        scope.touchTimer = null;\n    }\n    scope.touchTimer = setTimeout(function () {\n        scope.touching = false;\n        scope.touchTimer = null;\n    }, 700);\n}\nfunction markTouch(event) {\n    event && (event.zrByTouch = true);\n}\nfunction normalizeGlobalEvent(instance, event) {\n    return normalizeEvent(instance.dom, new FakeGlobalEvent(instance, event), true);\n}\nfunction isLocalEl(instance, el) {\n    var elTmp = el;\n    var isLocal = false;\n    while (elTmp && elTmp.nodeType !== 9\n        && !(isLocal = elTmp.domBelongToZr\n            || (elTmp !== el && elTmp === instance.painterRoot))) {\n        elTmp = elTmp.parentNode;\n    }\n    return isLocal;\n}\nvar FakeGlobalEvent = (function () {\n    function FakeGlobalEvent(instance, event) {\n        this.stopPropagation = zrUtil.noop;\n        this.stopImmediatePropagation = zrUtil.noop;\n        this.preventDefault = zrUtil.noop;\n        this.type = event.type;\n        this.target = this.currentTarget = instance.dom;\n        this.pointerType = event.pointerType;\n        this.clientX = event.clientX;\n        this.clientY = event.clientY;\n    }\n    return FakeGlobalEvent;\n}());\nvar localDOMHandlers = {\n    mousedown: function (event) {\n        event = normalizeEvent(this.dom, event);\n        this.__mayPointerCapture = [event.zrX, event.zrY];\n        this.trigger('mousedown', event);\n    },\n    mousemove: function (event) {\n        event = normalizeEvent(this.dom, event);\n        var downPoint = this.__mayPointerCapture;\n        if (downPoint && (event.zrX !== downPoint[0] || event.zrY !== downPoint[1])) {\n            this.__togglePointerCapture(true);\n        }\n        this.trigger('mousemove', event);\n    },\n    mouseup: function (event) {\n        event = normalizeEvent(this.dom, event);\n        this.__togglePointerCapture(false);\n        this.trigger('mouseup', event);\n    },\n    mouseout: function (event) {\n        event = normalizeEvent(this.dom, event);\n        var element = event.toElement || event.relatedTarget;\n        if (!isLocalEl(this, element)) {\n            if (this.__pointerCapturing) {\n                event.zrEventControl = 'no_globalout';\n            }\n            this.trigger('mouseout', event);\n        }\n    },\n    wheel: function (event) {\n        wheelEventSupported = true;\n        event = normalizeEvent(this.dom, event);\n        this.trigger('mousewheel', event);\n    },\n    mousewheel: function (event) {\n        if (wheelEventSupported) {\n            return;\n        }\n        event = normalizeEvent(this.dom, event);\n        this.trigger('mousewheel', event);\n    },\n    touchstart: function (event) {\n        event = normalizeEvent(this.dom, event);\n        markTouch(event);\n        this.__lastTouchMoment = new Date();\n        this.handler.processGesture(event, 'start');\n        localDOMHandlers.mousemove.call(this, event);\n        localDOMHandlers.mousedown.call(this, event);\n    },\n    touchmove: function (event) {\n        event = normalizeEvent(this.dom, event);\n        markTouch(event);\n        this.handler.processGesture(event, 'change');\n        localDOMHandlers.mousemove.call(this, event);\n    },\n    touchend: function (event) {\n        event = normalizeEvent(this.dom, event);\n        markTouch(event);\n        this.handler.processGesture(event, 'end');\n        localDOMHandlers.mouseup.call(this, event);\n        if (+new Date() - (+this.__lastTouchMoment) < TOUCH_CLICK_DELAY) {\n            localDOMHandlers.click.call(this, event);\n        }\n    },\n    pointerdown: function (event) {\n        localDOMHandlers.mousedown.call(this, event);\n    },\n    pointermove: function (event) {\n        if (!isPointerFromTouch(event)) {\n            localDOMHandlers.mousemove.call(this, event);\n        }\n    },\n    pointerup: function (event) {\n        localDOMHandlers.mouseup.call(this, event);\n    },\n    pointerout: function (event) {\n        if (!isPointerFromTouch(event)) {\n            localDOMHandlers.mouseout.call(this, event);\n        }\n    }\n};\nzrUtil.each(['click', 'dblclick', 'contextmenu'], function (name) {\n    localDOMHandlers[name] = function (event) {\n        event = normalizeEvent(this.dom, event);\n        this.trigger(name, event);\n    };\n});\nvar globalDOMHandlers = {\n    pointermove: function (event) {\n        if (!isPointerFromTouch(event)) {\n            globalDOMHandlers.mousemove.call(this, event);\n        }\n    },\n    pointerup: function (event) {\n        globalDOMHandlers.mouseup.call(this, event);\n    },\n    mousemove: function (event) {\n        this.trigger('mousemove', event);\n    },\n    mouseup: function (event) {\n        var pointerCaptureReleasing = this.__pointerCapturing;\n        this.__togglePointerCapture(false);\n        this.trigger('mouseup', event);\n        if (pointerCaptureReleasing) {\n            event.zrEventControl = 'only_globalout';\n            this.trigger('mouseout', event);\n        }\n    }\n};\nfunction mountLocalDOMEventListeners(instance, scope) {\n    var domHandlers = scope.domHandlers;\n    if (env.pointerEventsSupported) {\n        zrUtil.each(localNativeListenerNames.pointer, function (nativeEventName) {\n            mountSingleDOMEventListener(scope, nativeEventName, function (event) {\n                domHandlers[nativeEventName].call(instance, event);\n            });\n        });\n    }\n    else {\n        if (env.touchEventsSupported) {\n            zrUtil.each(localNativeListenerNames.touch, function (nativeEventName) {\n                mountSingleDOMEventListener(scope, nativeEventName, function (event) {\n                    domHandlers[nativeEventName].call(instance, event);\n                    setTouchTimer(scope);\n                });\n            });\n        }\n        zrUtil.each(localNativeListenerNames.mouse, function (nativeEventName) {\n            mountSingleDOMEventListener(scope, nativeEventName, function (event) {\n                event = getNativeEvent(event);\n                if (!scope.touching) {\n                    domHandlers[nativeEventName].call(instance, event);\n                }\n            });\n        });\n    }\n}\nfunction mountGlobalDOMEventListeners(instance, scope) {\n    if (env.pointerEventsSupported) {\n        zrUtil.each(globalNativeListenerNames.pointer, mount);\n    }\n    else if (!env.touchEventsSupported) {\n        zrUtil.each(globalNativeListenerNames.mouse, mount);\n    }\n    function mount(nativeEventName) {\n        function nativeEventListener(event) {\n            event = getNativeEvent(event);\n            if (!isLocalEl(instance, event.target)) {\n                event = normalizeGlobalEvent(instance, event);\n                scope.domHandlers[nativeEventName].call(instance, event);\n            }\n        }\n        mountSingleDOMEventListener(scope, nativeEventName, nativeEventListener, { capture: true });\n    }\n}\nfunction mountSingleDOMEventListener(scope, nativeEventName, listener, opt) {\n    scope.mounted[nativeEventName] = listener;\n    scope.listenerOpts[nativeEventName] = opt;\n    addEventListener(scope.domTarget, nativeEventName, listener, opt);\n}\nfunction unmountDOMEventListeners(scope) {\n    var mounted = scope.mounted;\n    for (var nativeEventName in mounted) {\n        if (mounted.hasOwnProperty(nativeEventName)) {\n            removeEventListener(scope.domTarget, nativeEventName, mounted[nativeEventName], scope.listenerOpts[nativeEventName]);\n        }\n    }\n    scope.mounted = {};\n}\nvar DOMHandlerScope = (function () {\n    function DOMHandlerScope(domTarget, domHandlers) {\n        this.mounted = {};\n        this.listenerOpts = {};\n        this.touching = false;\n        this.domTarget = domTarget;\n        this.domHandlers = domHandlers;\n    }\n    return DOMHandlerScope;\n}());\nvar HandlerDomProxy = (function (_super) {\n    __extends(HandlerDomProxy, _super);\n    function HandlerDomProxy(dom, painterRoot) {\n        var _this = _super.call(this) || this;\n        _this.__pointerCapturing = false;\n        _this.dom = dom;\n        _this.painterRoot = painterRoot;\n        _this._localHandlerScope = new DOMHandlerScope(dom, localDOMHandlers);\n        if (globalEventSupported) {\n            _this._globalHandlerScope = new DOMHandlerScope(document, globalDOMHandlers);\n        }\n        mountLocalDOMEventListeners(_this, _this._localHandlerScope);\n        return _this;\n    }\n    HandlerDomProxy.prototype.dispose = function () {\n        unmountDOMEventListeners(this._localHandlerScope);\n        if (globalEventSupported) {\n            unmountDOMEventListeners(this._globalHandlerScope);\n        }\n    };\n    HandlerDomProxy.prototype.setCursor = function (cursorStyle) {\n        this.dom.style && (this.dom.style.cursor = cursorStyle || 'default');\n    };\n    HandlerDomProxy.prototype.__togglePointerCapture = function (isPointerCapturing) {\n        this.__mayPointerCapture = null;\n        if (globalEventSupported\n            && ((+this.__pointerCapturing) ^ (+isPointerCapturing))) {\n            this.__pointerCapturing = isPointerCapturing;\n            var globalHandlerScope = this._globalHandlerScope;\n            isPointerCapturing\n                ? mountGlobalDOMEventListeners(this, globalHandlerScope)\n                : unmountDOMEventListeners(globalHandlerScope);\n        }\n    };\n    return HandlerDomProxy;\n}(Eventful));\nexport default HandlerDomProxy;\n","import { __extends } from \"tslib\";\nimport Eventful from '../core/Eventful';\nimport requestAnimationFrame from './requestAnimationFrame';\nimport Animator from './Animator';\nvar Animation = (function (_super) {\n    __extends(Animation, _super);\n    function Animation(opts) {\n        var _this = _super.call(this) || this;\n        _this._running = false;\n        _this._time = 0;\n        _this._pausedTime = 0;\n        _this._pauseStart = 0;\n        _this._paused = false;\n        opts = opts || {};\n        _this.stage = opts.stage || {};\n        _this.onframe = opts.onframe || function () { };\n        return _this;\n    }\n    Animation.prototype.addClip = function (clip) {\n        if (clip.animation) {\n            this.removeClip(clip);\n        }\n        if (!this._clipsHead) {\n            this._clipsHead = this._clipsTail = clip;\n        }\n        else {\n            this._clipsTail.next = clip;\n            clip.prev = this._clipsTail;\n            clip.next = null;\n            this._clipsTail = clip;\n        }\n        clip.animation = this;\n    };\n    Animation.prototype.addAnimator = function (animator) {\n        animator.animation = this;\n        var clip = animator.getClip();\n        if (clip) {\n            this.addClip(clip);\n        }\n    };\n    Animation.prototype.removeClip = function (clip) {\n        if (!clip.animation) {\n            return;\n        }\n        var prev = clip.prev;\n        var next = clip.next;\n        if (prev) {\n            prev.next = next;\n        }\n        else {\n            this._clipsHead = next;\n        }\n        if (next) {\n            next.prev = prev;\n        }\n        else {\n            this._clipsTail = prev;\n        }\n        clip.next = clip.prev = clip.animation = null;\n    };\n    Animation.prototype.removeAnimator = function (animator) {\n        var clip = animator.getClip();\n        if (clip) {\n            this.removeClip(clip);\n        }\n        animator.animation = null;\n    };\n    Animation.prototype.update = function (notTriggerFrameAndStageUpdate) {\n        var time = new Date().getTime() - this._pausedTime;\n        var delta = time - this._time;\n        var clip = this._clipsHead;\n        while (clip) {\n            var nextClip = clip.next;\n            var finished = clip.step(time, delta);\n            if (finished) {\n                clip.ondestroy && clip.ondestroy();\n                this.removeClip(clip);\n                clip = nextClip;\n            }\n            else {\n                clip = nextClip;\n            }\n        }\n        this._time = time;\n        if (!notTriggerFrameAndStageUpdate) {\n            this.onframe(delta);\n            this.trigger('frame', delta);\n            this.stage.update && this.stage.update();\n        }\n    };\n    Animation.prototype._startLoop = function () {\n        var self = this;\n        this._running = true;\n        function step() {\n            if (self._running) {\n                requestAnimationFrame(step);\n                !self._paused && self.update();\n            }\n        }\n        requestAnimationFrame(step);\n    };\n    Animation.prototype.start = function () {\n        if (this._running) {\n            return;\n        }\n        this._time = new Date().getTime();\n        this._pausedTime = 0;\n        this._startLoop();\n    };\n    Animation.prototype.stop = function () {\n        this._running = false;\n    };\n    Animation.prototype.pause = function () {\n        if (!this._paused) {\n            this._pauseStart = new Date().getTime();\n            this._paused = true;\n        }\n    };\n    Animation.prototype.resume = function () {\n        if (this._paused) {\n            this._pausedTime += (new Date().getTime()) - this._pauseStart;\n            this._paused = false;\n        }\n    };\n    Animation.prototype.clear = function () {\n        var clip = this._clipsHead;\n        while (clip) {\n            var nextClip = clip.next;\n            clip.prev = clip.next = clip.animation = null;\n            clip = nextClip;\n        }\n        this._clipsHead = this._clipsTail = null;\n    };\n    Animation.prototype.isFinished = function () {\n        return this._clipsHead == null;\n    };\n    Animation.prototype.animate = function (target, options) {\n        options = options || {};\n        this.start();\n        var animator = new Animator(target, options.loop);\n        this.addAnimator(animator);\n        return animator;\n    };\n    return Animation;\n}(Eventful));\nexport default Animation;\n","/*!\n* ZRender, a high performance 2d drawing library.\n*\n* Copyright (c) 2013, Baidu Inc.\n* All rights reserved.\n*\n* LICENSE\n* https://github.com/ecomfe/zrender/blob/master/LICENSE.txt\n*/\nimport env from './core/env';\nimport * as zrUtil from './core/util';\nimport Handler from './Handler';\nimport Storage from './Storage';\nimport Animation from './animation/Animation';\nimport HandlerProxy from './dom/HandlerProxy';\nimport { lum } from './tool/color';\nimport { DARK_MODE_THRESHOLD } from './config';\nimport Group from './graphic/Group';\nvar useVML = !env.canvasSupported;\nvar painterCtors = {};\nvar instances = {};\nfunction delInstance(id) {\n    delete instances[id];\n}\nfunction isDarkMode(backgroundColor) {\n    if (!backgroundColor) {\n        return false;\n    }\n    if (typeof backgroundColor === 'string') {\n        return lum(backgroundColor, 1) < DARK_MODE_THRESHOLD;\n    }\n    else if (backgroundColor.colorStops) {\n        var colorStops = backgroundColor.colorStops;\n        var totalLum = 0;\n        var len = colorStops.length;\n        for (var i = 0; i < len; i++) {\n            totalLum += lum(colorStops[i].color, 1);\n        }\n        totalLum /= len;\n        return totalLum < DARK_MODE_THRESHOLD;\n    }\n    return false;\n}\nvar ZRender = (function () {\n    function ZRender(id, dom, opts) {\n        var _this = this;\n        this._sleepAfterStill = 10;\n        this._stillFrameAccum = 0;\n        this._needsRefresh = true;\n        this._needsRefreshHover = true;\n        this._darkMode = false;\n        opts = opts || {};\n        this.dom = dom;\n        this.id = id;\n        var storage = new Storage();\n        var rendererType = opts.renderer || 'canvas';\n        if (useVML) {\n            throw new Error('IE8 support has been dropped since 5.0');\n        }\n        if (!painterCtors[rendererType]) {\n            rendererType = zrUtil.keys(painterCtors)[0];\n        }\n        if (!painterCtors[rendererType]) {\n            throw new Error(\"Renderer '\" + rendererType + \"' is not imported. Please import it first.\");\n        }\n        opts.useDirtyRect = opts.useDirtyRect == null\n            ? false\n            : opts.useDirtyRect;\n        var painter = new painterCtors[rendererType](dom, storage, opts, id);\n        this.storage = storage;\n        this.painter = painter;\n        var handerProxy = (!env.node && !env.worker)\n            ? new HandlerProxy(painter.getViewportRoot(), painter.root)\n            : null;\n        this.handler = new Handler(storage, painter, handerProxy, painter.root);\n        this.animation = new Animation({\n            stage: {\n                update: function () { return _this._flush(true); }\n            }\n        });\n        this.animation.start();\n    }\n    ZRender.prototype.add = function (el) {\n        if (!el) {\n            return;\n        }\n        this.storage.addRoot(el);\n        el.addSelfToZr(this);\n        this.refresh();\n    };\n    ZRender.prototype.remove = function (el) {\n        if (!el) {\n            return;\n        }\n        this.storage.delRoot(el);\n        el.removeSelfFromZr(this);\n        this.refresh();\n    };\n    ZRender.prototype.configLayer = function (zLevel, config) {\n        if (this.painter.configLayer) {\n            this.painter.configLayer(zLevel, config);\n        }\n        this.refresh();\n    };\n    ZRender.prototype.setBackgroundColor = function (backgroundColor) {\n        if (this.painter.setBackgroundColor) {\n            this.painter.setBackgroundColor(backgroundColor);\n        }\n        this.refresh();\n        this._backgroundColor = backgroundColor;\n        this._darkMode = isDarkMode(backgroundColor);\n    };\n    ZRender.prototype.getBackgroundColor = function () {\n        return this._backgroundColor;\n    };\n    ZRender.prototype.setDarkMode = function (darkMode) {\n        this._darkMode = darkMode;\n    };\n    ZRender.prototype.isDarkMode = function () {\n        return this._darkMode;\n    };\n    ZRender.prototype.refreshImmediately = function (fromInside) {\n        if (!fromInside) {\n            this.animation.update(true);\n        }\n        this._needsRefresh = false;\n        this.painter.refresh();\n        this._needsRefresh = false;\n    };\n    ZRender.prototype.refresh = function () {\n        this._needsRefresh = true;\n        this.animation.start();\n    };\n    ZRender.prototype.flush = function () {\n        this._flush(false);\n    };\n    ZRender.prototype._flush = function (fromInside) {\n        var triggerRendered;\n        var start = new Date().getTime();\n        if (this._needsRefresh) {\n            triggerRendered = true;\n            this.refreshImmediately(fromInside);\n        }\n        if (this._needsRefreshHover) {\n            triggerRendered = true;\n            this.refreshHoverImmediately();\n        }\n        var end = new Date().getTime();\n        if (triggerRendered) {\n            this._stillFrameAccum = 0;\n            this.trigger('rendered', {\n                elapsedTime: end - start\n            });\n        }\n        else if (this._sleepAfterStill > 0) {\n            this._stillFrameAccum++;\n            if (this._stillFrameAccum > this._sleepAfterStill) {\n                this.animation.stop();\n            }\n        }\n    };\n    ZRender.prototype.setSleepAfterStill = function (stillFramesCount) {\n        this._sleepAfterStill = stillFramesCount;\n    };\n    ZRender.prototype.wakeUp = function () {\n        this.animation.start();\n        this._stillFrameAccum = 0;\n    };\n    ZRender.prototype.addHover = function (el) {\n    };\n    ZRender.prototype.removeHover = function (el) {\n    };\n    ZRender.prototype.clearHover = function () {\n    };\n    ZRender.prototype.refreshHover = function () {\n        this._needsRefreshHover = true;\n    };\n    ZRender.prototype.refreshHoverImmediately = function () {\n        this._needsRefreshHover = false;\n        if (this.painter.refreshHover && this.painter.getType() === 'canvas') {\n            this.painter.refreshHover();\n        }\n    };\n    ZRender.prototype.resize = function (opts) {\n        opts = opts || {};\n        this.painter.resize(opts.width, opts.height);\n        this.handler.resize();\n    };\n    ZRender.prototype.clearAnimation = function () {\n        this.animation.clear();\n    };\n    ZRender.prototype.getWidth = function () {\n        return this.painter.getWidth();\n    };\n    ZRender.prototype.getHeight = function () {\n        return this.painter.getHeight();\n    };\n    ZRender.prototype.pathToImage = function (e, dpr) {\n        if (this.painter.pathToImage) {\n            return this.painter.pathToImage(e, dpr);\n        }\n    };\n    ZRender.prototype.setCursorStyle = function (cursorStyle) {\n        this.handler.setCursorStyle(cursorStyle);\n    };\n    ZRender.prototype.findHover = function (x, y) {\n        return this.handler.findHover(x, y);\n    };\n    ZRender.prototype.on = function (eventName, eventHandler, context) {\n        this.handler.on(eventName, eventHandler, context);\n        return this;\n    };\n    ZRender.prototype.off = function (eventName, eventHandler) {\n        this.handler.off(eventName, eventHandler);\n    };\n    ZRender.prototype.trigger = function (eventName, event) {\n        this.handler.trigger(eventName, event);\n    };\n    ZRender.prototype.clear = function () {\n        var roots = this.storage.getRoots();\n        for (var i = 0; i < roots.length; i++) {\n            if (roots[i] instanceof Group) {\n                roots[i].removeSelfFromZr(this);\n            }\n        }\n        this.storage.delAllRoots();\n        this.painter.clear();\n    };\n    ZRender.prototype.dispose = function () {\n        this.animation.stop();\n        this.clear();\n        this.storage.dispose();\n        this.painter.dispose();\n        this.handler.dispose();\n        this.animation =\n            this.storage =\n                this.painter =\n                    this.handler = null;\n        delInstance(this.id);\n    };\n    return ZRender;\n}());\nexport function init(dom, opts) {\n    var zr = new ZRender(zrUtil.guid(), dom, opts);\n    instances[zr.id] = zr;\n    return zr;\n}\nexport function dispose(zr) {\n    zr.dispose();\n}\nexport function disposeAll() {\n    for (var key in instances) {\n        if (instances.hasOwnProperty(key)) {\n            instances[key].dispose();\n        }\n    }\n    instances = {};\n}\nexport function getInstance(id) {\n    return instances[id];\n}\nexport function registerPainter(name, Ctor) {\n    painterCtors[name] = Ctor;\n}\nexport var version = '5.1.0';\n;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport Scale from './Scale';\nimport * as numberUtil from '../util/number';\nimport * as scaleHelper from './helper'; // Use some method of IntervalScale\n\nimport IntervalScale from './Interval';\nvar scaleProto = Scale.prototype; // FIXME:TS refactor: not good to call it directly with `this`?\n\nvar intervalScaleProto = IntervalScale.prototype;\nvar getPrecisionSafe = numberUtil.getPrecisionSafe;\nvar roundingErrorFix = numberUtil.round;\nvar mathFloor = Math.floor;\nvar mathCeil = Math.ceil;\nvar mathPow = Math.pow;\nvar mathLog = Math.log;\n\nvar LogScale =\n/** @class */\nfunction (_super) {\n  __extends(LogScale, _super);\n\n  function LogScale() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = 'log';\n    _this.base = 10;\n    _this._originalScale = new IntervalScale(); // FIXME:TS actually used by `IntervalScale`\n\n    _this._interval = 0;\n    return _this;\n  }\n  /**\n   * @param Whether expand the ticks to niced extent.\n   */\n\n\n  LogScale.prototype.getTicks = function (expandToNicedExtent) {\n    var originalScale = this._originalScale;\n    var extent = this._extent;\n    var originalExtent = originalScale.getExtent();\n    var ticks = intervalScaleProto.getTicks.call(this, expandToNicedExtent);\n    return zrUtil.map(ticks, function (tick) {\n      var val = tick.value;\n      var powVal = numberUtil.round(mathPow(this.base, val)); // Fix #4158\n\n      powVal = val === extent[0] && this._fixMin ? fixRoundingError(powVal, originalExtent[0]) : powVal;\n      powVal = val === extent[1] && this._fixMax ? fixRoundingError(powVal, originalExtent[1]) : powVal;\n      return {\n        value: powVal\n      };\n    }, this);\n  };\n\n  LogScale.prototype.setExtent = function (start, end) {\n    var base = this.base;\n    start = mathLog(start) / mathLog(base);\n    end = mathLog(end) / mathLog(base);\n    intervalScaleProto.setExtent.call(this, start, end);\n  };\n  /**\n   * @return {number} end\n   */\n\n\n  LogScale.prototype.getExtent = function () {\n    var base = this.base;\n    var extent = scaleProto.getExtent.call(this);\n    extent[0] = mathPow(base, extent[0]);\n    extent[1] = mathPow(base, extent[1]); // Fix #4158\n\n    var originalScale = this._originalScale;\n    var originalExtent = originalScale.getExtent();\n    this._fixMin && (extent[0] = fixRoundingError(extent[0], originalExtent[0]));\n    this._fixMax && (extent[1] = fixRoundingError(extent[1], originalExtent[1]));\n    return extent;\n  };\n\n  LogScale.prototype.unionExtent = function (extent) {\n    this._originalScale.unionExtent(extent);\n\n    var base = this.base;\n    extent[0] = mathLog(extent[0]) / mathLog(base);\n    extent[1] = mathLog(extent[1]) / mathLog(base);\n    scaleProto.unionExtent.call(this, extent);\n  };\n\n  LogScale.prototype.unionExtentFromData = function (data, dim) {\n    // TODO\n    // filter value that <= 0\n    this.unionExtent(data.getApproximateExtent(dim));\n  };\n  /**\n   * Update interval and extent of intervals for nice ticks\n   * @param approxTickNum default 10 Given approx tick number\n   */\n\n\n  LogScale.prototype.niceTicks = function (approxTickNum) {\n    approxTickNum = approxTickNum || 10;\n    var extent = this._extent;\n    var span = extent[1] - extent[0];\n\n    if (span === Infinity || span <= 0) {\n      return;\n    }\n\n    var interval = numberUtil.quantity(span);\n    var err = approxTickNum / span * interval; // Filter ticks to get closer to the desired count.\n\n    if (err <= 0.5) {\n      interval *= 10;\n    } // Interval should be integer\n\n\n    while (!isNaN(interval) && Math.abs(interval) < 1 && Math.abs(interval) > 0) {\n      interval *= 10;\n    }\n\n    var niceExtent = [numberUtil.round(mathCeil(extent[0] / interval) * interval), numberUtil.round(mathFloor(extent[1] / interval) * interval)];\n    this._interval = interval;\n    this._niceExtent = niceExtent;\n  };\n\n  LogScale.prototype.niceExtent = function (opt) {\n    intervalScaleProto.niceExtent.call(this, opt);\n    this._fixMin = opt.fixMin;\n    this._fixMax = opt.fixMax;\n  };\n\n  LogScale.prototype.parse = function (val) {\n    return val;\n  };\n\n  LogScale.prototype.contain = function (val) {\n    val = mathLog(val) / mathLog(this.base);\n    return scaleHelper.contain(val, this._extent);\n  };\n\n  LogScale.prototype.normalize = function (val) {\n    val = mathLog(val) / mathLog(this.base);\n    return scaleHelper.normalize(val, this._extent);\n  };\n\n  LogScale.prototype.scale = function (val) {\n    val = scaleHelper.scale(val, this._extent);\n    return mathPow(this.base, val);\n  };\n\n  LogScale.type = 'log';\n  return LogScale;\n}(Scale);\n\nvar proto = LogScale.prototype;\nproto.getMinorTicks = intervalScaleProto.getMinorTicks;\nproto.getLabel = intervalScaleProto.getLabel;\n\nfunction fixRoundingError(val, originalVal) {\n  return roundingErrorFix(val, getPrecisionSafe(originalVal));\n}\n\nScale.registerClass(LogScale);\nexport default LogScale;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport OrdinalScale from '../scale/Ordinal';\nimport IntervalScale from '../scale/Interval';\nimport Scale from '../scale/Scale';\nimport { prepareLayoutBarSeries, makeColumnLayout, retrieveColumnLayout } from '../layout/barGrid';\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport TimeScale from '../scale/Time';\nimport LogScale from '../scale/Log';\nimport { getStackedDimension } from '../data/helper/dataStackHelper';\nimport { ensureScaleRawExtentInfo } from './scaleRawExtentInfo';\n/**\n * Get axis scale extent before niced.\n * Item of returned array can only be number (including Infinity and NaN).\n *\n * Caution:\n * Precondition of calling this method:\n * The scale extent has been initialized using series data extent via\n * `scale.setExtent` or `scale.unionExtentFromData`;\n */\n\nexport function getScaleExtent(scale, model) {\n  var scaleType = scale.type;\n  var rawExtentResult = ensureScaleRawExtentInfo(scale, model, scale.getExtent()).calculate();\n  scale.setBlank(rawExtentResult.isBlank);\n  var min = rawExtentResult.min;\n  var max = rawExtentResult.max; // If bars are placed on a base axis of type time or interval account for axis boundary overflow and current axis\n  // is base axis\n  // FIXME\n  // (1) Consider support value axis, where below zero and axis `onZero` should be handled properly.\n  // (2) Refactor the logic with `barGrid`. Is it not need to `makeBarWidthAndOffsetInfo` twice with different extent?\n  //     Should not depend on series type `bar`?\n  // (3) Fix that might overlap when using dataZoom.\n  // (4) Consider other chart types using `barGrid`?\n  // See #6728, #4862, `test/bar-overflow-time-plot.html`\n\n  var ecModel = model.ecModel;\n\n  if (ecModel && scaleType === 'time'\n  /*|| scaleType === 'interval' */\n  ) {\n    var barSeriesModels = prepareLayoutBarSeries('bar', ecModel);\n    var isBaseAxisAndHasBarSeries_1 = false;\n    zrUtil.each(barSeriesModels, function (seriesModel) {\n      isBaseAxisAndHasBarSeries_1 = isBaseAxisAndHasBarSeries_1 || seriesModel.getBaseAxis() === model.axis;\n    });\n\n    if (isBaseAxisAndHasBarSeries_1) {\n      // Calculate placement of bars on axis. TODO should be decoupled\n      // with barLayout\n      var barWidthAndOffset = makeColumnLayout(barSeriesModels); // Adjust axis min and max to account for overflow\n\n      var adjustedScale = adjustScaleForOverflow(min, max, model, barWidthAndOffset);\n      min = adjustedScale.min;\n      max = adjustedScale.max;\n    }\n  }\n\n  return {\n    extent: [min, max],\n    // \"fix\" means \"fixed\", the value should not be\n    // changed in the subsequent steps.\n    fixMin: rawExtentResult.minFixed,\n    fixMax: rawExtentResult.maxFixed\n  };\n}\n\nfunction adjustScaleForOverflow(min, max, model, // Only support cartesian coord yet.\nbarWidthAndOffset) {\n  // Get Axis Length\n  var axisExtent = model.axis.getExtent();\n  var axisLength = axisExtent[1] - axisExtent[0]; // Get bars on current base axis and calculate min and max overflow\n\n  var barsOnCurrentAxis = retrieveColumnLayout(barWidthAndOffset, model.axis);\n\n  if (barsOnCurrentAxis === undefined) {\n    return {\n      min: min,\n      max: max\n    };\n  }\n\n  var minOverflow = Infinity;\n  zrUtil.each(barsOnCurrentAxis, function (item) {\n    minOverflow = Math.min(item.offset, minOverflow);\n  });\n  var maxOverflow = -Infinity;\n  zrUtil.each(barsOnCurrentAxis, function (item) {\n    maxOverflow = Math.max(item.offset + item.width, maxOverflow);\n  });\n  minOverflow = Math.abs(minOverflow);\n  maxOverflow = Math.abs(maxOverflow);\n  var totalOverFlow = minOverflow + maxOverflow; // Calculate required buffer based on old range and overflow\n\n  var oldRange = max - min;\n  var oldRangePercentOfNew = 1 - (minOverflow + maxOverflow) / axisLength;\n  var overflowBuffer = oldRange / oldRangePercentOfNew - oldRange;\n  max += overflowBuffer * (maxOverflow / totalOverFlow);\n  min -= overflowBuffer * (minOverflow / totalOverFlow);\n  return {\n    min: min,\n    max: max\n  };\n} // Precondition of calling this method:\n// The scale extent has been initailized using series data extent via\n// `scale.setExtent` or `scale.unionExtentFromData`;\n\n\nexport function niceScaleExtent(scale, model) {\n  var extentInfo = getScaleExtent(scale, model);\n  var extent = extentInfo.extent;\n  var splitNumber = model.get('splitNumber');\n\n  if (scale instanceof LogScale) {\n    scale.base = model.get('logBase');\n  }\n\n  var scaleType = scale.type;\n  scale.setExtent(extent[0], extent[1]);\n  scale.niceExtent({\n    splitNumber: splitNumber,\n    fixMin: extentInfo.fixMin,\n    fixMax: extentInfo.fixMax,\n    minInterval: scaleType === 'interval' || scaleType === 'time' ? model.get('minInterval') : null,\n    maxInterval: scaleType === 'interval' || scaleType === 'time' ? model.get('maxInterval') : null\n  }); // If some one specified the min, max. And the default calculated interval\n  // is not good enough. He can specify the interval. It is often appeared\n  // in angle axis with angle 0 - 360. Interval calculated in interval scale is hard\n  // to be 60.\n  // FIXME\n\n  var interval = model.get('interval');\n\n  if (interval != null) {\n    scale.setInterval && scale.setInterval(interval);\n  }\n}\n/**\n * @param axisType Default retrieve from model.type\n */\n\nexport function createScaleByModel(model, axisType) {\n  axisType = axisType || model.get('type');\n\n  if (axisType) {\n    switch (axisType) {\n      // Buildin scale\n      case 'category':\n        return new OrdinalScale({\n          ordinalMeta: model.getOrdinalMeta ? model.getOrdinalMeta() : model.getCategories(),\n          extent: [Infinity, -Infinity]\n        });\n\n      case 'time':\n        return new TimeScale({\n          locale: model.ecModel.getLocaleModel(),\n          useUTC: model.ecModel.get('useUTC')\n        });\n\n      default:\n        // case 'value'/'interval', 'log', or others.\n        return new (Scale.getClass(axisType) || IntervalScale)();\n    }\n  }\n}\n/**\n * Check if the axis cross 0\n */\n\nexport function ifAxisCrossZero(axis) {\n  var dataExtent = axis.scale.getExtent();\n  var min = dataExtent[0];\n  var max = dataExtent[1];\n  return !(min > 0 && max > 0 || min < 0 && max < 0);\n}\n/**\n * @param axis\n * @return Label formatter function.\n *         param: {number} tickValue,\n *         param: {number} idx, the index in all ticks.\n *                         If category axis, this param is not required.\n *         return: {string} label string.\n */\n\nexport function makeLabelFormatter(axis) {\n  var labelFormatter = axis.getLabelModel().get('formatter');\n  var categoryTickStart = axis.type === 'category' ? axis.scale.getExtent()[0] : null;\n\n  if (axis.scale.type === 'time') {\n    return function (tpl) {\n      return function (tick, idx) {\n        return axis.scale.getFormattedLabel(tick, idx, tpl);\n      };\n    }(labelFormatter);\n  } else if (typeof labelFormatter === 'string') {\n    return function (tpl) {\n      return function (tick) {\n        // For category axis, get raw value; for numeric axis,\n        // get formatted label like '1,333,444'.\n        var label = axis.scale.getLabel(tick);\n        var text = tpl.replace('{value}', label != null ? label : '');\n        return text;\n      };\n    }(labelFormatter);\n  } else if (typeof labelFormatter === 'function') {\n    return function (cb) {\n      return function (tick, idx) {\n        // The original intention of `idx` is \"the index of the tick in all ticks\".\n        // But the previous implementation of category axis do not consider the\n        // `axisLabel.interval`, which cause that, for example, the `interval` is\n        // `1`, then the ticks \"name5\", \"name7\", \"name9\" are displayed, where the\n        // corresponding `idx` are `0`, `2`, `4`, but not `0`, `1`, `2`. So we keep\n        // the definition here for back compatibility.\n        if (categoryTickStart != null) {\n          idx = tick.value - categoryTickStart;\n        }\n\n        return cb(getAxisRawValue(axis, tick), idx, tick.level != null ? {\n          level: tick.level\n        } : null);\n      };\n    }(labelFormatter);\n  } else {\n    return function (tick) {\n      return axis.scale.getLabel(tick);\n    };\n  }\n}\nexport function getAxisRawValue(axis, tick) {\n  // In category axis with data zoom, tick is not the original\n  // index of axis.data. So tick should not be exposed to user\n  // in category axis.\n  return axis.type === 'category' ? axis.scale.getLabel(tick) : tick.value;\n}\n/**\n * @param axis\n * @return Be null/undefined if no labels.\n */\n\nexport function estimateLabelUnionRect(axis) {\n  var axisModel = axis.model;\n  var scale = axis.scale;\n\n  if (!axisModel.get(['axisLabel', 'show']) || scale.isBlank()) {\n    return;\n  }\n\n  var realNumberScaleTicks;\n  var tickCount;\n  var categoryScaleExtent = scale.getExtent(); // Optimize for large category data, avoid call `getTicks()`.\n\n  if (scale instanceof OrdinalScale) {\n    tickCount = scale.count();\n  } else {\n    realNumberScaleTicks = scale.getTicks();\n    tickCount = realNumberScaleTicks.length;\n  }\n\n  var axisLabelModel = axis.getLabelModel();\n  var labelFormatter = makeLabelFormatter(axis);\n  var rect;\n  var step = 1; // Simple optimization for large amount of labels\n\n  if (tickCount > 40) {\n    step = Math.ceil(tickCount / 40);\n  }\n\n  for (var i = 0; i < tickCount; i += step) {\n    var tick = realNumberScaleTicks ? realNumberScaleTicks[i] : {\n      value: categoryScaleExtent[0] + i\n    };\n    var label = labelFormatter(tick, i);\n    var unrotatedSingleRect = axisLabelModel.getTextRect(label);\n    var singleRect = rotateTextRect(unrotatedSingleRect, axisLabelModel.get('rotate') || 0);\n    rect ? rect.union(singleRect) : rect = singleRect;\n  }\n\n  return rect;\n}\n\nfunction rotateTextRect(textRect, rotate) {\n  var rotateRadians = rotate * Math.PI / 180;\n  var beforeWidth = textRect.width;\n  var beforeHeight = textRect.height;\n  var afterWidth = beforeWidth * Math.abs(Math.cos(rotateRadians)) + Math.abs(beforeHeight * Math.sin(rotateRadians));\n  var afterHeight = beforeWidth * Math.abs(Math.sin(rotateRadians)) + Math.abs(beforeHeight * Math.cos(rotateRadians));\n  var rotatedRect = new BoundingRect(textRect.x, textRect.y, afterWidth, afterHeight);\n  return rotatedRect;\n}\n/**\n * @param model axisLabelModel or axisTickModel\n * @return {number|String} Can be null|'auto'|number|function\n */\n\n\nexport function getOptionCategoryInterval(model) {\n  var interval = model.get('interval');\n  return interval == null ? 'auto' : interval;\n}\n/**\n * Set `categoryInterval` as 0 implicitly indicates that\n * show all labels reguardless of overlap.\n * @param {Object} axis axisModel.axis\n */\n\nexport function shouldShowAllLabels(axis) {\n  return axis.type === 'category' && getOptionCategoryInterval(axis.getLabelModel()) === 0;\n}\nexport function getDataDimensionsOnAxis(data, axisDim) {\n  // Remove duplicated dat dimensions caused by `getStackedDimension`.\n  var dataDimMap = {}; // Currently `mapDimensionsAll` will contain stack result dimension ('__\\0ecstackresult').\n  // PENDING: is it reasonable? Do we need to remove the original dim from \"coord dim\" since\n  // there has been stacked result dim?\n\n  zrUtil.each(data.mapDimensionsAll(axisDim), function (dataDim) {\n    // For example, the extent of the original dimension\n    // is [0.1, 0.5], the extent of the `stackResultDimension`\n    // is [7, 9], the final extent should NOT include [0.1, 0.5],\n    // because there is no graphic corresponding to [0.1, 0.5].\n    // See the case in `test/area-stack.html` `main1`, where area line\n    // stack needs `yAxis` not start from 0.\n    dataDimMap[getStackedDimension(data, dataDim)] = true;\n  });\n  return zrUtil.keys(dataDimMap);\n}\nexport function unionAxisExtentFromData(dataExtent, data, axisDim) {\n  if (data) {\n    zrUtil.each(getDataDimensionsOnAxis(data, axisDim), function (dim) {\n      var seriesExtent = data.getApproximateExtent(dim);\n      seriesExtent[0] < dataExtent[0] && (dataExtent[0] = seriesExtent[0]);\n      seriesExtent[1] > dataExtent[1] && (dataExtent[1] = seriesExtent[1]);\n    });\n  }\n}","import { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { Observable } from '../Observable';\nimport { MonoTypeOperatorFunction, TeardownLogic } from '../types';\n\n/* tslint:disable:max-line-length */\nexport function distinctUntilChanged<T>(compare?: (x: T, y: T) => boolean): MonoTypeOperatorFunction<T>;\nexport function distinctUntilChanged<T, K>(compare: (x: K, y: K) => boolean, keySelector: (x: T) => K): MonoTypeOperatorFunction<T>;\n/* tslint:enable:max-line-length */\n\n/**\n * Returns an Observable that emits all items emitted by the source Observable that are distinct by comparison from the previous item.\n *\n * If a comparator function is provided, then it will be called for each item to test for whether or not that value should be emitted.\n *\n * If a comparator function is not provided, an equality check is used by default.\n *\n * ## Example\n * A simple example with numbers\n * ```ts\n * import { of } from 'rxjs';\n * import { distinctUntilChanged } from 'rxjs/operators';\n *\n * of(1, 1, 2, 2, 2, 1, 1, 2, 3, 3, 4).pipe(\n *     distinctUntilChanged(),\n *   )\n *   .subscribe(x => console.log(x)); // 1, 2, 1, 2, 3, 4\n * ```\n *\n * An example using a compare function\n * ```typescript\n * import { of } from 'rxjs';\n * import { distinctUntilChanged } from 'rxjs/operators';\n *\n * interface Person {\n *    age: number,\n *    name: string\n * }\n *\n * of<Person>(\n *     { age: 4, name: 'Foo'},\n *     { age: 7, name: 'Bar'},\n *     { age: 5, name: 'Foo'},\n *     { age: 6, name: 'Foo'},\n *   ).pipe(\n *     distinctUntilChanged((p: Person, q: Person) => p.name === q.name),\n *   )\n *   .subscribe(x => console.log(x));\n *\n * // displays:\n * // { age: 4, name: 'Foo' }\n * // { age: 7, name: 'Bar' }\n * // { age: 5, name: 'Foo' }\n * ```\n *\n * @see {@link distinct}\n * @see {@link distinctUntilKeyChanged}\n *\n * @param {function} [compare] Optional comparison function called to test if an item is distinct from the previous item in the source.\n * @return {Observable} An Observable that emits items from the source Observable with distinct values.\n * @method distinctUntilChanged\n * @owner Observable\n */\nexport function distinctUntilChanged<T, K>(compare?: (x: K, y: K) => boolean, keySelector?: (x: T) => K): MonoTypeOperatorFunction<T> {\n  return (source: Observable<T>) => source.lift(new DistinctUntilChangedOperator<T, K>(compare, keySelector));\n}\n\nclass DistinctUntilChangedOperator<T, K> implements Operator<T, T> {\n  constructor(private compare: (x: K, y: K) => boolean,\n              private keySelector: (x: T) => K) {\n  }\n\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    return source.subscribe(new DistinctUntilChangedSubscriber(subscriber, this.compare, this.keySelector));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass DistinctUntilChangedSubscriber<T, K> extends Subscriber<T> {\n  private key: K;\n  private hasKey: boolean = false;\n\n  constructor(destination: Subscriber<T>,\n              compare: (x: K, y: K) => boolean,\n              private keySelector: (x: T) => K) {\n    super(destination);\n    if (typeof compare === 'function') {\n      this.compare = compare;\n    }\n  }\n\n  private compare(x: any, y: any): boolean {\n    return x === y;\n  }\n\n  protected _next(value: T): void {\n    let key: any;\n    try {\n      const { keySelector } = this;\n      key = keySelector ? keySelector(value) : value;\n    } catch (err) {\n      return this.destination.error(err);\n    }\n    let result = false;\n    if (this.hasKey) {\n      try {\n        const { compare } = this;\n        result = compare(this.key, key);\n      } catch (err) {\n        return this.destination.error(err);\n      }\n    } else {\n      this.hasKey = true;\n    }\n    if (!result) {\n      this.key = key;\n      this.destination.next(value);\n    }\n  }\n}\n","import { Overlay, CdkConnectedOverlay, OverlayModule } from '@angular/cdk/overlay';\nimport { CommonModule } from '@angular/common';\nimport { InjectionToken, Directive, EventEmitter, isDevMode, Component, ViewEncapsulation, ChangeDetectionStrategy, ChangeDetectorRef, NgZone, ElementRef, Optional, Self, Attribute, Inject, ViewChild, ContentChildren, Input, ContentChild, Output, NgModule } from '@angular/core';\nimport { mixinDisableRipple, mixinTabIndex, mixinDisabled, mixinErrorState, _countGroupLabelsBeforeOption, _getOptionScrollPosition, MAT_OPTION_PARENT_COMPONENT, ErrorStateMatcher, MatOption, MatOptgroup, MatOptionModule, MatCommonModule } from '@angular/material/core';\nimport { MatFormFieldControl, MatFormField, MatFormFieldModule } from '@angular/material/form-field';\nimport { __extends, __spread } from 'tslib';\nimport { ActiveDescendantKeyManager, LiveAnnouncer } from '@angular/cdk/a11y';\nimport { Directionality } from '@angular/cdk/bidi';\nimport { coerceBooleanProperty, coerceNumberProperty } from '@angular/cdk/coercion';\nimport { SelectionModel } from '@angular/cdk/collections';\nimport { DOWN_ARROW, UP_ARROW, LEFT_ARROW, RIGHT_ARROW, ENTER, SPACE, hasModifierKey, HOME, END, A } from '@angular/cdk/keycodes';\nimport { ViewportRuler } from '@angular/cdk/scrolling';\nimport { NgForm, FormGroupDirective, NgControl } from '@angular/forms';\nimport { Subject, defer, merge } from 'rxjs';\nimport { startWith, switchMap, take, filter, map, distinctUntilChanged, takeUntil } from 'rxjs/operators';\nimport { trigger, transition, query, animateChild, state, style, animate } from '@angular/animations';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * The following are all the animations for the mat-select component, with each\n * const containing the metadata for one animation.\n *\n * The values below match the implementation of the AngularJS Material mat-select animation.\n * @docs-private\n */\nvar matSelectAnimations = {\n    /**\n     * This animation ensures the select's overlay panel animation (transformPanel) is called when\n     * closing the select.\n     * This is needed due to https://github.com/angular/angular/issues/23302\n     */\n    transformPanelWrap: trigger('transformPanelWrap', [\n        transition('* => void', query('@transformPanel', [animateChild()], { optional: true }))\n    ]),\n    /**\n     * This animation transforms the select's overlay panel on and off the page.\n     *\n     * When the panel is attached to the DOM, it expands its width by the amount of padding, scales it\n     * up to 100% on the Y axis, fades in its border, and translates slightly up and to the\n     * side to ensure the option text correctly overlaps the trigger text.\n     *\n     * When the panel is removed from the DOM, it simply fades out linearly.\n     */\n    transformPanel: trigger('transformPanel', [\n        state('void', style({\n            transform: 'scaleY(0.8)',\n            minWidth: '100%',\n            opacity: 0\n        })),\n        state('showing', style({\n            opacity: 1,\n            minWidth: 'calc(100% + 32px)',\n            transform: 'scaleY(1)'\n        })),\n        state('showing-multiple', style({\n            opacity: 1,\n            minWidth: 'calc(100% + 64px)',\n            transform: 'scaleY(1)'\n        })),\n        transition('void => *', animate('120ms cubic-bezier(0, 0, 0.2, 1)')),\n        transition('* => void', animate('100ms 25ms linear', style({ opacity: 0 })))\n    ])\n};\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Returns an exception to be thrown when attempting to change a select's `multiple` option\n * after initialization.\n * @docs-private\n */\nfunction getMatSelectDynamicMultipleError() {\n    return Error('Cannot change `multiple` mode of select after initialization.');\n}\n/**\n * Returns an exception to be thrown when attempting to assign a non-array value to a select\n * in `multiple` mode. Note that `undefined` and `null` are still valid values to allow for\n * resetting the value.\n * @docs-private\n */\nfunction getMatSelectNonArrayValueError() {\n    return Error('Value must be an array in multiple-selection mode.');\n}\n/**\n * Returns an exception to be thrown when assigning a non-function value to the comparator\n * used to determine if a value corresponds to an option. Note that whether the function\n * actually takes two values and returns a boolean is not checked.\n */\nfunction getMatSelectNonFunctionValueError() {\n    return Error('`compareWith` must be a function.');\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar nextUniqueId = 0;\n/**\n * The following style constants are necessary to save here in order\n * to properly calculate the alignment of the selected option over\n * the trigger element.\n */\n/** The max height of the select's overlay panel */\nvar SELECT_PANEL_MAX_HEIGHT = 256;\n/** The panel's padding on the x-axis */\nvar SELECT_PANEL_PADDING_X = 16;\n/** The panel's x axis padding if it is indented (e.g. there is an option group). */\nvar SELECT_PANEL_INDENT_PADDING_X = SELECT_PANEL_PADDING_X * 2;\n/** The height of the select items in `em` units. */\nvar SELECT_ITEM_HEIGHT_EM = 3;\n// TODO(josephperrott): Revert to a constant after 2018 spec updates are fully merged.\n/**\n * Distance between the panel edge and the option text in\n * multi-selection mode.\n *\n * Calculated as:\n * (SELECT_PANEL_PADDING_X * 1.5) + 16 = 40\n * The padding is multiplied by 1.5 because the checkbox's margin is half the padding.\n * The checkbox width is 16px.\n */\nvar SELECT_MULTIPLE_PANEL_PADDING_X = SELECT_PANEL_PADDING_X * 1.5 + 16;\n/**\n * The select panel will only \"fit\" inside the viewport if it is positioned at\n * this value or more away from the viewport boundary.\n */\nvar SELECT_PANEL_VIEWPORT_PADDING = 8;\n/** Injection token that determines the scroll handling while a select is open. */\nvar MAT_SELECT_SCROLL_STRATEGY = new InjectionToken('mat-select-scroll-strategy');\n/** @docs-private */\nfunction MAT_SELECT_SCROLL_STRATEGY_PROVIDER_FACTORY(overlay) {\n    return function () { return overlay.scrollStrategies.reposition(); };\n}\n/** @docs-private */\nvar MAT_SELECT_SCROLL_STRATEGY_PROVIDER = {\n    provide: MAT_SELECT_SCROLL_STRATEGY,\n    deps: [Overlay],\n    useFactory: MAT_SELECT_SCROLL_STRATEGY_PROVIDER_FACTORY,\n};\n/** Change event object that is emitted when the select value has changed. */\nvar MatSelectChange = /** @class */ (function () {\n    function MatSelectChange(\n    /** Reference to the select that emitted the change event. */\n    source, \n    /** Current value of the select that emitted the event. */\n    value) {\n        this.source = source;\n        this.value = value;\n    }\n    return MatSelectChange;\n}());\n// Boilerplate for applying mixins to MatSelect.\n/** @docs-private */\nvar MatSelectBase = /** @class */ (function () {\n    function MatSelectBase(_elementRef, _defaultErrorStateMatcher, _parentForm, _parentFormGroup, ngControl) {\n        this._elementRef = _elementRef;\n        this._defaultErrorStateMatcher = _defaultErrorStateMatcher;\n        this._parentForm = _parentForm;\n        this._parentFormGroup = _parentFormGroup;\n        this.ngControl = ngControl;\n    }\n    return MatSelectBase;\n}());\nvar _MatSelectMixinBase = mixinDisableRipple(mixinTabIndex(mixinDisabled(mixinErrorState(MatSelectBase))));\n/**\n * Allows the user to customize the trigger that is displayed when the select has a value.\n */\nvar MatSelectTrigger = /** @class */ (function () {\n    function MatSelectTrigger() {\n    }\n    MatSelectTrigger.decorators = [\n        { type: Directive, args: [{\n                    selector: 'mat-select-trigger'\n                },] }\n    ];\n    return MatSelectTrigger;\n}());\nvar MatSelect = /** @class */ (function (_super) {\n    __extends(MatSelect, _super);\n    function MatSelect(_viewportRuler, _changeDetectorRef, _ngZone, _defaultErrorStateMatcher, elementRef, _dir, _parentForm, _parentFormGroup, _parentFormField, ngControl, tabIndex, scrollStrategyFactory, _liveAnnouncer) {\n        var _this = _super.call(this, elementRef, _defaultErrorStateMatcher, _parentForm, _parentFormGroup, ngControl) || this;\n        _this._viewportRuler = _viewportRuler;\n        _this._changeDetectorRef = _changeDetectorRef;\n        _this._ngZone = _ngZone;\n        _this._dir = _dir;\n        _this._parentFormField = _parentFormField;\n        _this.ngControl = ngControl;\n        _this._liveAnnouncer = _liveAnnouncer;\n        /** Whether or not the overlay panel is open. */\n        _this._panelOpen = false;\n        /** Whether filling out the select is required in the form. */\n        _this._required = false;\n        /** The scroll position of the overlay panel, calculated to center the selected option. */\n        _this._scrollTop = 0;\n        /** Whether the component is in multiple selection mode. */\n        _this._multiple = false;\n        /** Comparison function to specify which option is displayed. Defaults to object equality. */\n        _this._compareWith = function (o1, o2) { return o1 === o2; };\n        /** Unique id for this input. */\n        _this._uid = \"mat-select-\" + nextUniqueId++;\n        /** Emits whenever the component is destroyed. */\n        _this._destroy = new Subject();\n        /** The cached font-size of the trigger element. */\n        _this._triggerFontSize = 0;\n        /** `View -> model callback called when value changes` */\n        _this._onChange = function () { };\n        /** `View -> model callback called when select has been touched` */\n        _this._onTouched = function () { };\n        /** The IDs of child options to be passed to the aria-owns attribute. */\n        _this._optionIds = '';\n        /** The value of the select panel's transform-origin property. */\n        _this._transformOrigin = 'top';\n        /** Emits when the panel element is finished transforming in. */\n        _this._panelDoneAnimatingStream = new Subject();\n        /**\n         * The y-offset of the overlay panel in relation to the trigger's top start corner.\n         * This must be adjusted to align the selected option text over the trigger text.\n         * when the panel opens. Will change based on the y-position of the selected option.\n         */\n        _this._offsetY = 0;\n        /**\n         * This position config ensures that the top \"start\" corner of the overlay\n         * is aligned with with the top \"start\" of the origin by default (overlapping\n         * the trigger completely). If the panel cannot fit below the trigger, it\n         * will fall back to a position above the trigger.\n         */\n        _this._positions = [\n            {\n                originX: 'start',\n                originY: 'top',\n                overlayX: 'start',\n                overlayY: 'top',\n            },\n            {\n                originX: 'start',\n                originY: 'bottom',\n                overlayX: 'start',\n                overlayY: 'bottom',\n            },\n        ];\n        /** Whether the component is disabling centering of the active option over the trigger. */\n        _this._disableOptionCentering = false;\n        _this._focused = false;\n        /** A name for this control that can be used by `mat-form-field`. */\n        _this.controlType = 'mat-select';\n        /** Aria label of the select. If not specified, the placeholder will be used as label. */\n        _this.ariaLabel = '';\n        /** Combined stream of all of the child options' change events. */\n        _this.optionSelectionChanges = defer(function () {\n            var options = _this.options;\n            if (options) {\n                return options.changes.pipe(startWith(options), switchMap(function () { return merge.apply(void 0, __spread(options.map(function (option) { return option.onSelectionChange; }))); }));\n            }\n            return _this._ngZone.onStable\n                .asObservable()\n                .pipe(take(1), switchMap(function () { return _this.optionSelectionChanges; }));\n        });\n        /** Event emitted when the select panel has been toggled. */\n        _this.openedChange = new EventEmitter();\n        /** Event emitted when the select has been opened. */\n        _this._openedStream = _this.openedChange.pipe(filter(function (o) { return o; }), map(function () { }));\n        /** Event emitted when the select has been closed. */\n        _this._closedStream = _this.openedChange.pipe(filter(function (o) { return !o; }), map(function () { }));\n        /** Event emitted when the selected value has been changed by the user. */\n        _this.selectionChange = new EventEmitter();\n        /**\n         * Event that emits whenever the raw value of the select changes. This is here primarily\n         * to facilitate the two-way binding for the `value` input.\n         * @docs-private\n         */\n        _this.valueChange = new EventEmitter();\n        if (_this.ngControl) {\n            // Note: we provide the value accessor through here, instead of\n            // the `providers` to avoid running into a circular import.\n            _this.ngControl.valueAccessor = _this;\n        }\n        _this._scrollStrategyFactory = scrollStrategyFactory;\n        _this._scrollStrategy = _this._scrollStrategyFactory();\n        _this.tabIndex = parseInt(tabIndex) || 0;\n        // Force setter to be called in case id was not specified.\n        _this.id = _this.id;\n        return _this;\n    }\n    Object.defineProperty(MatSelect.prototype, \"focused\", {\n        /** Whether the select is focused. */\n        get: function () {\n            return this._focused || this._panelOpen;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatSelect.prototype, \"placeholder\", {\n        /** Placeholder to be shown if no value has been selected. */\n        get: function () { return this._placeholder; },\n        set: function (value) {\n            this._placeholder = value;\n            this.stateChanges.next();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatSelect.prototype, \"required\", {\n        /** Whether the component is required. */\n        get: function () { return this._required; },\n        set: function (value) {\n            this._required = coerceBooleanProperty(value);\n            this.stateChanges.next();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatSelect.prototype, \"multiple\", {\n        /** Whether the user should be allowed to select multiple options. */\n        get: function () { return this._multiple; },\n        set: function (value) {\n            if (this._selectionModel) {\n                throw getMatSelectDynamicMultipleError();\n            }\n            this._multiple = coerceBooleanProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatSelect.prototype, \"disableOptionCentering\", {\n        /** Whether to center the active option over the trigger. */\n        get: function () { return this._disableOptionCentering; },\n        set: function (value) {\n            this._disableOptionCentering = coerceBooleanProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatSelect.prototype, \"compareWith\", {\n        /**\n         * Function to compare the option values with the selected values. The first argument\n         * is a value from an option. The second is a value from the selection. A boolean\n         * should be returned.\n         */\n        get: function () { return this._compareWith; },\n        set: function (fn) {\n            if (typeof fn !== 'function') {\n                throw getMatSelectNonFunctionValueError();\n            }\n            this._compareWith = fn;\n            if (this._selectionModel) {\n                // A different comparator means the selection could change.\n                this._initializeSelection();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatSelect.prototype, \"value\", {\n        /** Value of the select control. */\n        get: function () { return this._value; },\n        set: function (newValue) {\n            if (newValue !== this._value) {\n                this.writeValue(newValue);\n                this._value = newValue;\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatSelect.prototype, \"typeaheadDebounceInterval\", {\n        /** Time to wait in milliseconds after the last keystroke before moving focus to an item. */\n        get: function () { return this._typeaheadDebounceInterval; },\n        set: function (value) {\n            this._typeaheadDebounceInterval = coerceNumberProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatSelect.prototype, \"id\", {\n        /** Unique id of the element. */\n        get: function () { return this._id; },\n        set: function (value) {\n            this._id = value || this._uid;\n            this.stateChanges.next();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatSelect.prototype.ngOnInit = function () {\n        var _this = this;\n        this._selectionModel = new SelectionModel(this.multiple);\n        this.stateChanges.next();\n        // We need `distinctUntilChanged` here, because some browsers will\n        // fire the animation end event twice for the same animation. See:\n        // https://github.com/angular/angular/issues/24084\n        this._panelDoneAnimatingStream\n            .pipe(distinctUntilChanged(), takeUntil(this._destroy))\n            .subscribe(function () {\n            if (_this.panelOpen) {\n                _this._scrollTop = 0;\n                _this.openedChange.emit(true);\n            }\n            else {\n                _this.openedChange.emit(false);\n                _this.overlayDir.offsetX = 0;\n                _this._changeDetectorRef.markForCheck();\n            }\n        });\n        this._viewportRuler.change()\n            .pipe(takeUntil(this._destroy))\n            .subscribe(function () {\n            if (_this._panelOpen) {\n                _this._triggerRect = _this.trigger.nativeElement.getBoundingClientRect();\n                _this._changeDetectorRef.markForCheck();\n            }\n        });\n    };\n    MatSelect.prototype.ngAfterContentInit = function () {\n        var _this = this;\n        this._initKeyManager();\n        this._selectionModel.changed.pipe(takeUntil(this._destroy)).subscribe(function (event) {\n            event.added.forEach(function (option) { return option.select(); });\n            event.removed.forEach(function (option) { return option.deselect(); });\n        });\n        this.options.changes.pipe(startWith(null), takeUntil(this._destroy)).subscribe(function () {\n            _this._resetOptions();\n            _this._initializeSelection();\n        });\n    };\n    MatSelect.prototype.ngDoCheck = function () {\n        if (this.ngControl) {\n            this.updateErrorState();\n        }\n    };\n    MatSelect.prototype.ngOnChanges = function (changes) {\n        // Updating the disabled state is handled by `mixinDisabled`, but we need to additionally let\n        // the parent form field know to run change detection when the disabled state changes.\n        if (changes['disabled']) {\n            this.stateChanges.next();\n        }\n        if (changes['typeaheadDebounceInterval'] && this._keyManager) {\n            this._keyManager.withTypeAhead(this._typeaheadDebounceInterval);\n        }\n    };\n    MatSelect.prototype.ngOnDestroy = function () {\n        this._destroy.next();\n        this._destroy.complete();\n        this.stateChanges.complete();\n    };\n    /** Toggles the overlay panel open or closed. */\n    MatSelect.prototype.toggle = function () {\n        this.panelOpen ? this.close() : this.open();\n    };\n    /** Opens the overlay panel. */\n    MatSelect.prototype.open = function () {\n        var _this = this;\n        if (this.disabled || !this.options || !this.options.length || this._panelOpen) {\n            return;\n        }\n        this._triggerRect = this.trigger.nativeElement.getBoundingClientRect();\n        // Note: The computed font-size will be a string pixel value (e.g. \"16px\").\n        // `parseInt` ignores the trailing 'px' and converts this to a number.\n        this._triggerFontSize = parseInt(getComputedStyle(this.trigger.nativeElement).fontSize || '0');\n        this._panelOpen = true;\n        this._keyManager.withHorizontalOrientation(null);\n        this._calculateOverlayPosition();\n        this._highlightCorrectOption();\n        this._changeDetectorRef.markForCheck();\n        // Set the font size on the panel element once it exists.\n        this._ngZone.onStable.asObservable().pipe(take(1)).subscribe(function () {\n            if (_this._triggerFontSize && _this.overlayDir.overlayRef &&\n                _this.overlayDir.overlayRef.overlayElement) {\n                _this.overlayDir.overlayRef.overlayElement.style.fontSize = _this._triggerFontSize + \"px\";\n            }\n        });\n    };\n    /** Closes the overlay panel and focuses the host element. */\n    MatSelect.prototype.close = function () {\n        if (this._panelOpen) {\n            this._panelOpen = false;\n            this._keyManager.withHorizontalOrientation(this._isRtl() ? 'rtl' : 'ltr');\n            this._changeDetectorRef.markForCheck();\n            this._onTouched();\n        }\n    };\n    /**\n     * Sets the select's value. Part of the ControlValueAccessor interface\n     * required to integrate with Angular's core forms API.\n     *\n     * @param value New value to be written to the model.\n     */\n    MatSelect.prototype.writeValue = function (value) {\n        if (this.options) {\n            this._setSelectionByValue(value);\n        }\n    };\n    /**\n     * Saves a callback function to be invoked when the select's value\n     * changes from user input. Part of the ControlValueAccessor interface\n     * required to integrate with Angular's core forms API.\n     *\n     * @param fn Callback to be triggered when the value changes.\n     */\n    MatSelect.prototype.registerOnChange = function (fn) {\n        this._onChange = fn;\n    };\n    /**\n     * Saves a callback function to be invoked when the select is blurred\n     * by the user. Part of the ControlValueAccessor interface required\n     * to integrate with Angular's core forms API.\n     *\n     * @param fn Callback to be triggered when the component has been touched.\n     */\n    MatSelect.prototype.registerOnTouched = function (fn) {\n        this._onTouched = fn;\n    };\n    /**\n     * Disables the select. Part of the ControlValueAccessor interface required\n     * to integrate with Angular's core forms API.\n     *\n     * @param isDisabled Sets whether the component is disabled.\n     */\n    MatSelect.prototype.setDisabledState = function (isDisabled) {\n        this.disabled = isDisabled;\n        this._changeDetectorRef.markForCheck();\n        this.stateChanges.next();\n    };\n    Object.defineProperty(MatSelect.prototype, \"panelOpen\", {\n        /** Whether or not the overlay panel is open. */\n        get: function () {\n            return this._panelOpen;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatSelect.prototype, \"selected\", {\n        /** The currently selected option. */\n        get: function () {\n            return this.multiple ? this._selectionModel.selected : this._selectionModel.selected[0];\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatSelect.prototype, \"triggerValue\", {\n        /** The value displayed in the trigger. */\n        get: function () {\n            if (this.empty) {\n                return '';\n            }\n            if (this._multiple) {\n                var selectedOptions = this._selectionModel.selected.map(function (option) { return option.viewValue; });\n                if (this._isRtl()) {\n                    selectedOptions.reverse();\n                }\n                // TODO(crisbeto): delimiter should be configurable for proper localization.\n                return selectedOptions.join(', ');\n            }\n            return this._selectionModel.selected[0].viewValue;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** Whether the element is in RTL mode. */\n    MatSelect.prototype._isRtl = function () {\n        return this._dir ? this._dir.value === 'rtl' : false;\n    };\n    /** Handles all keydown events on the select. */\n    MatSelect.prototype._handleKeydown = function (event) {\n        if (!this.disabled) {\n            this.panelOpen ? this._handleOpenKeydown(event) : this._handleClosedKeydown(event);\n        }\n    };\n    /** Handles keyboard events while the select is closed. */\n    MatSelect.prototype._handleClosedKeydown = function (event) {\n        var keyCode = event.keyCode;\n        var isArrowKey = keyCode === DOWN_ARROW || keyCode === UP_ARROW ||\n            keyCode === LEFT_ARROW || keyCode === RIGHT_ARROW;\n        var isOpenKey = keyCode === ENTER || keyCode === SPACE;\n        var manager = this._keyManager;\n        // Open the select on ALT + arrow key to match the native <select>\n        if (!manager.isTyping() && (isOpenKey && !hasModifierKey(event)) ||\n            ((this.multiple || event.altKey) && isArrowKey)) {\n            event.preventDefault(); // prevents the page from scrolling down when pressing space\n            this.open();\n        }\n        else if (!this.multiple) {\n            var previouslySelectedOption = this.selected;\n            if (keyCode === HOME || keyCode === END) {\n                keyCode === HOME ? manager.setFirstItemActive() : manager.setLastItemActive();\n                event.preventDefault();\n            }\n            else {\n                manager.onKeydown(event);\n            }\n            var selectedOption = this.selected;\n            // Since the value has changed, we need to announce it ourselves.\n            if (selectedOption && previouslySelectedOption !== selectedOption) {\n                // We set a duration on the live announcement, because we want the live element to be\n                // cleared after a while so that users can't navigate to it using the arrow keys.\n                this._liveAnnouncer.announce(selectedOption.viewValue, 10000);\n            }\n        }\n    };\n    /** Handles keyboard events when the selected is open. */\n    MatSelect.prototype._handleOpenKeydown = function (event) {\n        var manager = this._keyManager;\n        var keyCode = event.keyCode;\n        var isArrowKey = keyCode === DOWN_ARROW || keyCode === UP_ARROW;\n        var isTyping = manager.isTyping();\n        if (keyCode === HOME || keyCode === END) {\n            event.preventDefault();\n            keyCode === HOME ? manager.setFirstItemActive() : manager.setLastItemActive();\n        }\n        else if (isArrowKey && event.altKey) {\n            // Close the select on ALT + arrow key to match the native <select>\n            event.preventDefault();\n            this.close();\n            // Don't do anything in this case if the user is typing,\n            // because the typing sequence can include the space key.\n        }\n        else if (!isTyping && (keyCode === ENTER || keyCode === SPACE) && manager.activeItem &&\n            !hasModifierKey(event)) {\n            event.preventDefault();\n            manager.activeItem._selectViaInteraction();\n        }\n        else if (!isTyping && this._multiple && keyCode === A && event.ctrlKey) {\n            event.preventDefault();\n            var hasDeselectedOptions_1 = this.options.some(function (opt) { return !opt.disabled && !opt.selected; });\n            this.options.forEach(function (option) {\n                if (!option.disabled) {\n                    hasDeselectedOptions_1 ? option.select() : option.deselect();\n                }\n            });\n        }\n        else {\n            var previouslyFocusedIndex = manager.activeItemIndex;\n            manager.onKeydown(event);\n            if (this._multiple && isArrowKey && event.shiftKey && manager.activeItem &&\n                manager.activeItemIndex !== previouslyFocusedIndex) {\n                manager.activeItem._selectViaInteraction();\n            }\n        }\n    };\n    MatSelect.prototype._onFocus = function () {\n        if (!this.disabled) {\n            this._focused = true;\n            this.stateChanges.next();\n        }\n    };\n    /**\n     * Calls the touched callback only if the panel is closed. Otherwise, the trigger will\n     * \"blur\" to the panel when it opens, causing a false positive.\n     */\n    MatSelect.prototype._onBlur = function () {\n        this._focused = false;\n        if (!this.disabled && !this.panelOpen) {\n            this._onTouched();\n            this._changeDetectorRef.markForCheck();\n            this.stateChanges.next();\n        }\n    };\n    /**\n     * Callback that is invoked when the overlay panel has been attached.\n     */\n    MatSelect.prototype._onAttached = function () {\n        var _this = this;\n        this.overlayDir.positionChange.pipe(take(1)).subscribe(function () {\n            _this._changeDetectorRef.detectChanges();\n            _this._calculateOverlayOffsetX();\n            _this.panel.nativeElement.scrollTop = _this._scrollTop;\n        });\n    };\n    /** Returns the theme to be used on the panel. */\n    MatSelect.prototype._getPanelTheme = function () {\n        return this._parentFormField ? \"mat-\" + this._parentFormField.color : '';\n    };\n    Object.defineProperty(MatSelect.prototype, \"empty\", {\n        /** Whether the select has a value. */\n        get: function () {\n            return !this._selectionModel || this._selectionModel.isEmpty();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatSelect.prototype._initializeSelection = function () {\n        var _this = this;\n        // Defer setting the value in order to avoid the \"Expression\n        // has changed after it was checked\" errors from Angular.\n        Promise.resolve().then(function () {\n            _this._setSelectionByValue(_this.ngControl ? _this.ngControl.value : _this._value);\n            _this.stateChanges.next();\n        });\n    };\n    /**\n     * Sets the selected option based on a value. If no option can be\n     * found with the designated value, the select trigger is cleared.\n     */\n    MatSelect.prototype._setSelectionByValue = function (value) {\n        var _this = this;\n        if (this.multiple && value) {\n            if (!Array.isArray(value)) {\n                throw getMatSelectNonArrayValueError();\n            }\n            this._selectionModel.clear();\n            value.forEach(function (currentValue) { return _this._selectValue(currentValue); });\n            this._sortValues();\n        }\n        else {\n            this._selectionModel.clear();\n            var correspondingOption = this._selectValue(value);\n            // Shift focus to the active item. Note that we shouldn't do this in multiple\n            // mode, because we don't know what option the user interacted with last.\n            if (correspondingOption) {\n                this._keyManager.setActiveItem(correspondingOption);\n            }\n            else if (!this.panelOpen) {\n                // Otherwise reset the highlighted option. Note that we only want to do this while\n                // closed, because doing it while open can shift the user's focus unnecessarily.\n                this._keyManager.setActiveItem(-1);\n            }\n        }\n        this._changeDetectorRef.markForCheck();\n    };\n    /**\n     * Finds and selects and option based on its value.\n     * @returns Option that has the corresponding value.\n     */\n    MatSelect.prototype._selectValue = function (value) {\n        var _this = this;\n        var correspondingOption = this.options.find(function (option) {\n            try {\n                // Treat null as a special reset value.\n                return option.value != null && _this._compareWith(option.value, value);\n            }\n            catch (error) {\n                if (isDevMode()) {\n                    // Notify developers of errors in their comparator.\n                    console.warn(error);\n                }\n                return false;\n            }\n        });\n        if (correspondingOption) {\n            this._selectionModel.select(correspondingOption);\n        }\n        return correspondingOption;\n    };\n    /** Sets up a key manager to listen to keyboard events on the overlay panel. */\n    MatSelect.prototype._initKeyManager = function () {\n        var _this = this;\n        this._keyManager = new ActiveDescendantKeyManager(this.options)\n            .withTypeAhead(this._typeaheadDebounceInterval)\n            .withVerticalOrientation()\n            .withHorizontalOrientation(this._isRtl() ? 'rtl' : 'ltr')\n            .withAllowedModifierKeys(['shiftKey']);\n        this._keyManager.tabOut.pipe(takeUntil(this._destroy)).subscribe(function () {\n            // Select the active item when tabbing away. This is consistent with how the native\n            // select behaves. Note that we only want to do this in single selection mode.\n            if (!_this.multiple && _this._keyManager.activeItem) {\n                _this._keyManager.activeItem._selectViaInteraction();\n            }\n            // Restore focus to the trigger before closing. Ensures that the focus\n            // position won't be lost if the user got focus into the overlay.\n            _this.focus();\n            _this.close();\n        });\n        this._keyManager.change.pipe(takeUntil(this._destroy)).subscribe(function () {\n            if (_this._panelOpen && _this.panel) {\n                _this._scrollActiveOptionIntoView();\n            }\n            else if (!_this._panelOpen && !_this.multiple && _this._keyManager.activeItem) {\n                _this._keyManager.activeItem._selectViaInteraction();\n            }\n        });\n    };\n    /** Drops current option subscriptions and IDs and resets from scratch. */\n    MatSelect.prototype._resetOptions = function () {\n        var _this = this;\n        var changedOrDestroyed = merge(this.options.changes, this._destroy);\n        this.optionSelectionChanges.pipe(takeUntil(changedOrDestroyed)).subscribe(function (event) {\n            _this._onSelect(event.source, event.isUserInput);\n            if (event.isUserInput && !_this.multiple && _this._panelOpen) {\n                _this.close();\n                _this.focus();\n            }\n        });\n        // Listen to changes in the internal state of the options and react accordingly.\n        // Handles cases like the labels of the selected options changing.\n        merge.apply(void 0, __spread(this.options.map(function (option) { return option._stateChanges; }))).pipe(takeUntil(changedOrDestroyed))\n            .subscribe(function () {\n            _this._changeDetectorRef.markForCheck();\n            _this.stateChanges.next();\n        });\n        this._setOptionIds();\n    };\n    /** Invoked when an option is clicked. */\n    MatSelect.prototype._onSelect = function (option, isUserInput) {\n        var wasSelected = this._selectionModel.isSelected(option);\n        if (option.value == null && !this._multiple) {\n            option.deselect();\n            this._selectionModel.clear();\n            this._propagateChanges(option.value);\n        }\n        else {\n            if (wasSelected !== option.selected) {\n                option.selected ? this._selectionModel.select(option) :\n                    this._selectionModel.deselect(option);\n            }\n            if (isUserInput) {\n                this._keyManager.setActiveItem(option);\n            }\n            if (this.multiple) {\n                this._sortValues();\n                if (isUserInput) {\n                    // In case the user selected the option with their mouse, we\n                    // want to restore focus back to the trigger, in order to\n                    // prevent the select keyboard controls from clashing with\n                    // the ones from `mat-option`.\n                    this.focus();\n                }\n            }\n        }\n        if (wasSelected !== this._selectionModel.isSelected(option)) {\n            this._propagateChanges();\n        }\n        this.stateChanges.next();\n    };\n    /** Sorts the selected values in the selected based on their order in the panel. */\n    MatSelect.prototype._sortValues = function () {\n        var _this = this;\n        if (this.multiple) {\n            var options_1 = this.options.toArray();\n            this._selectionModel.sort(function (a, b) {\n                return _this.sortComparator ? _this.sortComparator(a, b, options_1) :\n                    options_1.indexOf(a) - options_1.indexOf(b);\n            });\n            this.stateChanges.next();\n        }\n    };\n    /** Emits change event to set the model value. */\n    MatSelect.prototype._propagateChanges = function (fallbackValue) {\n        var valueToEmit = null;\n        if (this.multiple) {\n            valueToEmit = this.selected.map(function (option) { return option.value; });\n        }\n        else {\n            valueToEmit = this.selected ? this.selected.value : fallbackValue;\n        }\n        this._value = valueToEmit;\n        this.valueChange.emit(valueToEmit);\n        this._onChange(valueToEmit);\n        this.selectionChange.emit(new MatSelectChange(this, valueToEmit));\n        this._changeDetectorRef.markForCheck();\n    };\n    /** Records option IDs to pass to the aria-owns property. */\n    MatSelect.prototype._setOptionIds = function () {\n        this._optionIds = this.options.map(function (option) { return option.id; }).join(' ');\n    };\n    /**\n     * Highlights the selected item. If no option is selected, it will highlight\n     * the first item instead.\n     */\n    MatSelect.prototype._highlightCorrectOption = function () {\n        if (this._keyManager) {\n            if (this.empty) {\n                this._keyManager.setFirstItemActive();\n            }\n            else {\n                this._keyManager.setActiveItem(this._selectionModel.selected[0]);\n            }\n        }\n    };\n    /** Scrolls the active option into view. */\n    MatSelect.prototype._scrollActiveOptionIntoView = function () {\n        var activeOptionIndex = this._keyManager.activeItemIndex || 0;\n        var labelCount = _countGroupLabelsBeforeOption(activeOptionIndex, this.options, this.optionGroups);\n        this.panel.nativeElement.scrollTop = _getOptionScrollPosition(activeOptionIndex + labelCount, this._getItemHeight(), this.panel.nativeElement.scrollTop, SELECT_PANEL_MAX_HEIGHT);\n    };\n    /** Focuses the select element. */\n    MatSelect.prototype.focus = function (options) {\n        this._elementRef.nativeElement.focus(options);\n    };\n    /** Gets the index of the provided option in the option list. */\n    MatSelect.prototype._getOptionIndex = function (option) {\n        return this.options.reduce(function (result, current, index) {\n            return result === undefined ? (option === current ? index : undefined) : result;\n        }, undefined);\n    };\n    /** Calculates the scroll position and x- and y-offsets of the overlay panel. */\n    MatSelect.prototype._calculateOverlayPosition = function () {\n        var itemHeight = this._getItemHeight();\n        var items = this._getItemCount();\n        var panelHeight = Math.min(items * itemHeight, SELECT_PANEL_MAX_HEIGHT);\n        var scrollContainerHeight = items * itemHeight;\n        // The farthest the panel can be scrolled before it hits the bottom\n        var maxScroll = scrollContainerHeight - panelHeight;\n        // If no value is selected we open the popup to the first item.\n        var selectedOptionOffset = this.empty ? 0 : this._getOptionIndex(this._selectionModel.selected[0]);\n        selectedOptionOffset += _countGroupLabelsBeforeOption(selectedOptionOffset, this.options, this.optionGroups);\n        // We must maintain a scroll buffer so the selected option will be scrolled to the\n        // center of the overlay panel rather than the top.\n        var scrollBuffer = panelHeight / 2;\n        this._scrollTop = this._calculateOverlayScroll(selectedOptionOffset, scrollBuffer, maxScroll);\n        this._offsetY = this._calculateOverlayOffsetY(selectedOptionOffset, scrollBuffer, maxScroll);\n        this._checkOverlayWithinViewport(maxScroll);\n    };\n    /**\n     * Calculates the scroll position of the select's overlay panel.\n     *\n     * Attempts to center the selected option in the panel. If the option is\n     * too high or too low in the panel to be scrolled to the center, it clamps the\n     * scroll position to the min or max scroll positions respectively.\n     */\n    MatSelect.prototype._calculateOverlayScroll = function (selectedIndex, scrollBuffer, maxScroll) {\n        var itemHeight = this._getItemHeight();\n        var optionOffsetFromScrollTop = itemHeight * selectedIndex;\n        var halfOptionHeight = itemHeight / 2;\n        // Starts at the optionOffsetFromScrollTop, which scrolls the option to the top of the\n        // scroll container, then subtracts the scroll buffer to scroll the option down to\n        // the center of the overlay panel. Half the option height must be re-added to the\n        // scrollTop so the option is centered based on its middle, not its top edge.\n        var optimalScrollPosition = optionOffsetFromScrollTop - scrollBuffer + halfOptionHeight;\n        return Math.min(Math.max(0, optimalScrollPosition), maxScroll);\n    };\n    /** Returns the aria-label of the select component. */\n    MatSelect.prototype._getAriaLabel = function () {\n        // If an ariaLabelledby value has been set by the consumer, the select should not overwrite the\n        // `aria-labelledby` value by setting the ariaLabel to the placeholder.\n        return this.ariaLabelledby ? null : this.ariaLabel || this.placeholder;\n    };\n    /** Returns the aria-labelledby of the select component. */\n    MatSelect.prototype._getAriaLabelledby = function () {\n        if (this.ariaLabelledby) {\n            return this.ariaLabelledby;\n        }\n        // Note: we use `_getAriaLabel` here, because we want to check whether there's a\n        // computed label. `this.ariaLabel` is only the user-specified label.\n        if (!this._parentFormField || !this._parentFormField._hasFloatingLabel() ||\n            this._getAriaLabel()) {\n            return null;\n        }\n        return this._parentFormField._labelId || null;\n    };\n    /** Determines the `aria-activedescendant` to be set on the host. */\n    MatSelect.prototype._getAriaActiveDescendant = function () {\n        if (this.panelOpen && this._keyManager && this._keyManager.activeItem) {\n            return this._keyManager.activeItem.id;\n        }\n        return null;\n    };\n    /**\n     * Sets the x-offset of the overlay panel in relation to the trigger's top start corner.\n     * This must be adjusted to align the selected option text over the trigger text when\n     * the panel opens. Will change based on LTR or RTL text direction. Note that the offset\n     * can't be calculated until the panel has been attached, because we need to know the\n     * content width in order to constrain the panel within the viewport.\n     */\n    MatSelect.prototype._calculateOverlayOffsetX = function () {\n        var overlayRect = this.overlayDir.overlayRef.overlayElement.getBoundingClientRect();\n        var viewportSize = this._viewportRuler.getViewportSize();\n        var isRtl = this._isRtl();\n        var paddingWidth = this.multiple ? SELECT_MULTIPLE_PANEL_PADDING_X + SELECT_PANEL_PADDING_X :\n            SELECT_PANEL_PADDING_X * 2;\n        var offsetX;\n        // Adjust the offset, depending on the option padding.\n        if (this.multiple) {\n            offsetX = SELECT_MULTIPLE_PANEL_PADDING_X;\n        }\n        else {\n            var selected = this._selectionModel.selected[0] || this.options.first;\n            offsetX = selected && selected.group ? SELECT_PANEL_INDENT_PADDING_X : SELECT_PANEL_PADDING_X;\n        }\n        // Invert the offset in LTR.\n        if (!isRtl) {\n            offsetX *= -1;\n        }\n        // Determine how much the select overflows on each side.\n        var leftOverflow = 0 - (overlayRect.left + offsetX - (isRtl ? paddingWidth : 0));\n        var rightOverflow = overlayRect.right + offsetX - viewportSize.width\n            + (isRtl ? 0 : paddingWidth);\n        // If the element overflows on either side, reduce the offset to allow it to fit.\n        if (leftOverflow > 0) {\n            offsetX += leftOverflow + SELECT_PANEL_VIEWPORT_PADDING;\n        }\n        else if (rightOverflow > 0) {\n            offsetX -= rightOverflow + SELECT_PANEL_VIEWPORT_PADDING;\n        }\n        // Set the offset directly in order to avoid having to go through change detection and\n        // potentially triggering \"changed after it was checked\" errors. Round the value to avoid\n        // blurry content in some browsers.\n        this.overlayDir.offsetX = Math.round(offsetX);\n        this.overlayDir.overlayRef.updatePosition();\n    };\n    /**\n     * Calculates the y-offset of the select's overlay panel in relation to the\n     * top start corner of the trigger. It has to be adjusted in order for the\n     * selected option to be aligned over the trigger when the panel opens.\n     */\n    MatSelect.prototype._calculateOverlayOffsetY = function (selectedIndex, scrollBuffer, maxScroll) {\n        var itemHeight = this._getItemHeight();\n        var optionHeightAdjustment = (itemHeight - this._triggerRect.height) / 2;\n        var maxOptionsDisplayed = Math.floor(SELECT_PANEL_MAX_HEIGHT / itemHeight);\n        var optionOffsetFromPanelTop;\n        // Disable offset if requested by user by returning 0 as value to offset\n        if (this._disableOptionCentering) {\n            return 0;\n        }\n        if (this._scrollTop === 0) {\n            optionOffsetFromPanelTop = selectedIndex * itemHeight;\n        }\n        else if (this._scrollTop === maxScroll) {\n            var firstDisplayedIndex = this._getItemCount() - maxOptionsDisplayed;\n            var selectedDisplayIndex = selectedIndex - firstDisplayedIndex;\n            // The first item is partially out of the viewport. Therefore we need to calculate what\n            // portion of it is shown in the viewport and account for it in our offset.\n            var partialItemHeight = itemHeight - (this._getItemCount() * itemHeight - SELECT_PANEL_MAX_HEIGHT) % itemHeight;\n            // Because the panel height is longer than the height of the options alone,\n            // there is always extra padding at the top or bottom of the panel. When\n            // scrolled to the very bottom, this padding is at the top of the panel and\n            // must be added to the offset.\n            optionOffsetFromPanelTop = selectedDisplayIndex * itemHeight + partialItemHeight;\n        }\n        else {\n            // If the option was scrolled to the middle of the panel using a scroll buffer,\n            // its offset will be the scroll buffer minus the half height that was added to\n            // center it.\n            optionOffsetFromPanelTop = scrollBuffer - itemHeight / 2;\n        }\n        // The final offset is the option's offset from the top, adjusted for the height difference,\n        // multiplied by -1 to ensure that the overlay moves in the correct direction up the page.\n        // The value is rounded to prevent some browsers from blurring the content.\n        return Math.round(optionOffsetFromPanelTop * -1 - optionHeightAdjustment);\n    };\n    /**\n     * Checks that the attempted overlay position will fit within the viewport.\n     * If it will not fit, tries to adjust the scroll position and the associated\n     * y-offset so the panel can open fully on-screen. If it still won't fit,\n     * sets the offset back to 0 to allow the fallback position to take over.\n     */\n    MatSelect.prototype._checkOverlayWithinViewport = function (maxScroll) {\n        var itemHeight = this._getItemHeight();\n        var viewportSize = this._viewportRuler.getViewportSize();\n        var topSpaceAvailable = this._triggerRect.top - SELECT_PANEL_VIEWPORT_PADDING;\n        var bottomSpaceAvailable = viewportSize.height - this._triggerRect.bottom - SELECT_PANEL_VIEWPORT_PADDING;\n        var panelHeightTop = Math.abs(this._offsetY);\n        var totalPanelHeight = Math.min(this._getItemCount() * itemHeight, SELECT_PANEL_MAX_HEIGHT);\n        var panelHeightBottom = totalPanelHeight - panelHeightTop - this._triggerRect.height;\n        if (panelHeightBottom > bottomSpaceAvailable) {\n            this._adjustPanelUp(panelHeightBottom, bottomSpaceAvailable);\n        }\n        else if (panelHeightTop > topSpaceAvailable) {\n            this._adjustPanelDown(panelHeightTop, topSpaceAvailable, maxScroll);\n        }\n        else {\n            this._transformOrigin = this._getOriginBasedOnOption();\n        }\n    };\n    /** Adjusts the overlay panel up to fit in the viewport. */\n    MatSelect.prototype._adjustPanelUp = function (panelHeightBottom, bottomSpaceAvailable) {\n        // Browsers ignore fractional scroll offsets, so we need to round.\n        var distanceBelowViewport = Math.round(panelHeightBottom - bottomSpaceAvailable);\n        // Scrolls the panel up by the distance it was extending past the boundary, then\n        // adjusts the offset by that amount to move the panel up into the viewport.\n        this._scrollTop -= distanceBelowViewport;\n        this._offsetY -= distanceBelowViewport;\n        this._transformOrigin = this._getOriginBasedOnOption();\n        // If the panel is scrolled to the very top, it won't be able to fit the panel\n        // by scrolling, so set the offset to 0 to allow the fallback position to take\n        // effect.\n        if (this._scrollTop <= 0) {\n            this._scrollTop = 0;\n            this._offsetY = 0;\n            this._transformOrigin = \"50% bottom 0px\";\n        }\n    };\n    /** Adjusts the overlay panel down to fit in the viewport. */\n    MatSelect.prototype._adjustPanelDown = function (panelHeightTop, topSpaceAvailable, maxScroll) {\n        // Browsers ignore fractional scroll offsets, so we need to round.\n        var distanceAboveViewport = Math.round(panelHeightTop - topSpaceAvailable);\n        // Scrolls the panel down by the distance it was extending past the boundary, then\n        // adjusts the offset by that amount to move the panel down into the viewport.\n        this._scrollTop += distanceAboveViewport;\n        this._offsetY += distanceAboveViewport;\n        this._transformOrigin = this._getOriginBasedOnOption();\n        // If the panel is scrolled to the very bottom, it won't be able to fit the\n        // panel by scrolling, so set the offset to 0 to allow the fallback position\n        // to take effect.\n        if (this._scrollTop >= maxScroll) {\n            this._scrollTop = maxScroll;\n            this._offsetY = 0;\n            this._transformOrigin = \"50% top 0px\";\n            return;\n        }\n    };\n    /** Sets the transform origin point based on the selected option. */\n    MatSelect.prototype._getOriginBasedOnOption = function () {\n        var itemHeight = this._getItemHeight();\n        var optionHeightAdjustment = (itemHeight - this._triggerRect.height) / 2;\n        var originY = Math.abs(this._offsetY) - optionHeightAdjustment + itemHeight / 2;\n        return \"50% \" + originY + \"px 0px\";\n    };\n    /** Calculates the amount of items in the select. This includes options and group labels. */\n    MatSelect.prototype._getItemCount = function () {\n        return this.options.length + this.optionGroups.length;\n    };\n    /** Calculates the height of the select's options. */\n    MatSelect.prototype._getItemHeight = function () {\n        return this._triggerFontSize * SELECT_ITEM_HEIGHT_EM;\n    };\n    /**\n     * Implemented as part of MatFormFieldControl.\n     * @docs-private\n     */\n    MatSelect.prototype.setDescribedByIds = function (ids) {\n        this._ariaDescribedby = ids.join(' ');\n    };\n    /**\n     * Implemented as part of MatFormFieldControl.\n     * @docs-private\n     */\n    MatSelect.prototype.onContainerClick = function () {\n        this.focus();\n        this.open();\n    };\n    Object.defineProperty(MatSelect.prototype, \"shouldLabelFloat\", {\n        /**\n         * Implemented as part of MatFormFieldControl.\n         * @docs-private\n         */\n        get: function () {\n            return this._panelOpen || !this.empty;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatSelect.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-select',\n                    exportAs: 'matSelect',\n                    template: \"<div cdk-overlay-origin\\n     class=\\\"mat-select-trigger\\\"\\n     aria-hidden=\\\"true\\\"\\n     (click)=\\\"toggle()\\\"\\n     #origin=\\\"cdkOverlayOrigin\\\"\\n     #trigger>\\n  <div class=\\\"mat-select-value\\\" [ngSwitch]=\\\"empty\\\">\\n    <span class=\\\"mat-select-placeholder\\\" *ngSwitchCase=\\\"true\\\">{{placeholder || '\\\\u00A0'}}</span>\\n    <span class=\\\"mat-select-value-text\\\" *ngSwitchCase=\\\"false\\\" [ngSwitch]=\\\"!!customTrigger\\\">\\n      <span *ngSwitchDefault>{{triggerValue || '\\\\u00A0'}}</span>\\n      <ng-content select=\\\"mat-select-trigger\\\" *ngSwitchCase=\\\"true\\\"></ng-content>\\n    </span>\\n  </div>\\n\\n  <div class=\\\"mat-select-arrow-wrapper\\\"><div class=\\\"mat-select-arrow\\\"></div></div>\\n</div>\\n\\n<ng-template\\n  cdk-connected-overlay\\n  cdkConnectedOverlayLockPosition\\n  cdkConnectedOverlayHasBackdrop\\n  cdkConnectedOverlayBackdropClass=\\\"cdk-overlay-transparent-backdrop\\\"\\n  [cdkConnectedOverlayScrollStrategy]=\\\"_scrollStrategy\\\"\\n  [cdkConnectedOverlayOrigin]=\\\"origin\\\"\\n  [cdkConnectedOverlayOpen]=\\\"panelOpen\\\"\\n  [cdkConnectedOverlayPositions]=\\\"_positions\\\"\\n  [cdkConnectedOverlayMinWidth]=\\\"_triggerRect?.width\\\"\\n  [cdkConnectedOverlayOffsetY]=\\\"_offsetY\\\"\\n  (backdropClick)=\\\"close()\\\"\\n  (attach)=\\\"_onAttached()\\\"\\n  (detach)=\\\"close()\\\">\\n  <div class=\\\"mat-select-panel-wrap\\\" [@transformPanelWrap]>\\n    <div\\n      #panel\\n      class=\\\"mat-select-panel {{ _getPanelTheme() }}\\\"\\n      [ngClass]=\\\"panelClass\\\"\\n      [@transformPanel]=\\\"multiple ? 'showing-multiple' : 'showing'\\\"\\n      (@transformPanel.done)=\\\"_panelDoneAnimatingStream.next($event.toState)\\\"\\n      [style.transformOrigin]=\\\"_transformOrigin\\\"\\n      [style.font-size.px]=\\\"_triggerFontSize\\\"\\n      (keydown)=\\\"_handleKeydown($event)\\\">\\n      <ng-content></ng-content>\\n    </div>\\n  </div>\\n</ng-template>\\n\",\n                    inputs: ['disabled', 'disableRipple', 'tabIndex'],\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    host: {\n                        'role': 'listbox',\n                        '[attr.id]': 'id',\n                        '[attr.tabindex]': 'tabIndex',\n                        '[attr.aria-label]': '_getAriaLabel()',\n                        '[attr.aria-labelledby]': '_getAriaLabelledby()',\n                        '[attr.aria-required]': 'required.toString()',\n                        '[attr.aria-disabled]': 'disabled.toString()',\n                        '[attr.aria-invalid]': 'errorState',\n                        '[attr.aria-owns]': 'panelOpen ? _optionIds : null',\n                        '[attr.aria-multiselectable]': 'multiple',\n                        '[attr.aria-describedby]': '_ariaDescribedby || null',\n                        '[attr.aria-activedescendant]': '_getAriaActiveDescendant()',\n                        '[class.mat-select-disabled]': 'disabled',\n                        '[class.mat-select-invalid]': 'errorState',\n                        '[class.mat-select-required]': 'required',\n                        '[class.mat-select-empty]': 'empty',\n                        'class': 'mat-select',\n                        '(keydown)': '_handleKeydown($event)',\n                        '(focus)': '_onFocus()',\n                        '(blur)': '_onBlur()',\n                    },\n                    animations: [\n                        matSelectAnimations.transformPanelWrap,\n                        matSelectAnimations.transformPanel\n                    ],\n                    providers: [\n                        { provide: MatFormFieldControl, useExisting: MatSelect },\n                        { provide: MAT_OPTION_PARENT_COMPONENT, useExisting: MatSelect }\n                    ],\n                    styles: [\".mat-select{display:inline-block;width:100%;outline:none}.mat-select-trigger{display:inline-table;cursor:pointer;position:relative;box-sizing:border-box}.mat-select-disabled .mat-select-trigger{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;cursor:default}.mat-select-value{display:table-cell;max-width:0;width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mat-select-value-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mat-select-arrow-wrapper{display:table-cell;vertical-align:middle}.mat-form-field-appearance-fill .mat-select-arrow-wrapper{transform:translateY(-50%)}.mat-form-field-appearance-outline .mat-select-arrow-wrapper{transform:translateY(-25%)}.mat-form-field-appearance-standard.mat-form-field-has-label .mat-select:not(.mat-select-empty) .mat-select-arrow-wrapper{transform:translateY(-50%)}.mat-form-field-appearance-standard .mat-select.mat-select-empty .mat-select-arrow-wrapper{transition:transform 400ms cubic-bezier(0.25, 0.8, 0.25, 1)}._mat-animation-noopable.mat-form-field-appearance-standard .mat-select.mat-select-empty .mat-select-arrow-wrapper{transition:none}.mat-select-arrow{width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:5px solid;margin:0 4px}.mat-select-panel-wrap{flex-basis:100%}.mat-select-panel{min-width:112px;max-width:280px;overflow:auto;-webkit-overflow-scrolling:touch;padding-top:0;padding-bottom:0;max-height:256px;min-width:100%;border-radius:4px}.cdk-high-contrast-active .mat-select-panel{outline:solid 1px}.mat-select-panel .mat-optgroup-label,.mat-select-panel .mat-option{font-size:inherit;line-height:3em;height:3em}.mat-form-field-type-mat-select:not(.mat-form-field-disabled) .mat-form-field-flex{cursor:pointer}.mat-form-field-type-mat-select .mat-form-field-label{width:calc(100% - 18px)}.mat-select-placeholder{transition:color 400ms 133.3333333333ms cubic-bezier(0.25, 0.8, 0.25, 1)}._mat-animation-noopable .mat-select-placeholder{transition:none}.mat-form-field-hide-placeholder .mat-select-placeholder{color:transparent;-webkit-text-fill-color:transparent;transition:none;display:block}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatSelect.ctorParameters = function () { return [\n        { type: ViewportRuler },\n        { type: ChangeDetectorRef },\n        { type: NgZone },\n        { type: ErrorStateMatcher },\n        { type: ElementRef },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: NgForm, decorators: [{ type: Optional }] },\n        { type: FormGroupDirective, decorators: [{ type: Optional }] },\n        { type: MatFormField, decorators: [{ type: Optional }] },\n        { type: NgControl, decorators: [{ type: Self }, { type: Optional }] },\n        { type: String, decorators: [{ type: Attribute, args: ['tabindex',] }] },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_SELECT_SCROLL_STRATEGY,] }] },\n        { type: LiveAnnouncer }\n    ]; };\n    MatSelect.propDecorators = {\n        trigger: [{ type: ViewChild, args: ['trigger',] }],\n        panel: [{ type: ViewChild, args: ['panel',] }],\n        overlayDir: [{ type: ViewChild, args: [CdkConnectedOverlay,] }],\n        options: [{ type: ContentChildren, args: [MatOption, { descendants: true },] }],\n        optionGroups: [{ type: ContentChildren, args: [MatOptgroup, { descendants: true },] }],\n        panelClass: [{ type: Input }],\n        customTrigger: [{ type: ContentChild, args: [MatSelectTrigger,] }],\n        placeholder: [{ type: Input }],\n        required: [{ type: Input }],\n        multiple: [{ type: Input }],\n        disableOptionCentering: [{ type: Input }],\n        compareWith: [{ type: Input }],\n        value: [{ type: Input }],\n        ariaLabel: [{ type: Input, args: ['aria-label',] }],\n        ariaLabelledby: [{ type: Input, args: ['aria-labelledby',] }],\n        errorStateMatcher: [{ type: Input }],\n        typeaheadDebounceInterval: [{ type: Input }],\n        sortComparator: [{ type: Input }],\n        id: [{ type: Input }],\n        openedChange: [{ type: Output }],\n        _openedStream: [{ type: Output, args: ['opened',] }],\n        _closedStream: [{ type: Output, args: ['closed',] }],\n        selectionChange: [{ type: Output }],\n        valueChange: [{ type: Output }]\n    };\n    return MatSelect;\n}(_MatSelectMixinBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatSelectModule = /** @class */ (function () {\n    function MatSelectModule() {\n    }\n    MatSelectModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [\n                        CommonModule,\n                        OverlayModule,\n                        MatOptionModule,\n                        MatCommonModule,\n                    ],\n                    exports: [MatFormFieldModule, MatSelect, MatSelectTrigger, MatOptionModule, MatCommonModule],\n                    declarations: [MatSelect, MatSelectTrigger],\n                    providers: [MAT_SELECT_SCROLL_STRATEGY_PROVIDER]\n                },] }\n    ];\n    return MatSelectModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MAT_SELECT_SCROLL_STRATEGY, MAT_SELECT_SCROLL_STRATEGY_PROVIDER, MAT_SELECT_SCROLL_STRATEGY_PROVIDER_FACTORY, MatSelect, MatSelectChange, MatSelectModule, MatSelectTrigger, SELECT_ITEM_HEIGHT_EM, SELECT_MULTIPLE_PANEL_PADDING_X, SELECT_PANEL_INDENT_PADDING_X, SELECT_PANEL_MAX_HEIGHT, SELECT_PANEL_PADDING_X, SELECT_PANEL_VIEWPORT_PADDING, matSelectAnimations };\n","var Eventful = (function () {\n    function Eventful(eventProcessors) {\n        if (eventProcessors) {\n            this._$eventProcessor = eventProcessors;\n        }\n    }\n    Eventful.prototype.on = function (event, query, handler, context) {\n        if (!this._$handlers) {\n            this._$handlers = {};\n        }\n        var _h = this._$handlers;\n        if (typeof query === 'function') {\n            context = handler;\n            handler = query;\n            query = null;\n        }\n        if (!handler || !event) {\n            return this;\n        }\n        var eventProcessor = this._$eventProcessor;\n        if (query != null && eventProcessor && eventProcessor.normalizeQuery) {\n            query = eventProcessor.normalizeQuery(query);\n        }\n        if (!_h[event]) {\n            _h[event] = [];\n        }\n        for (var i = 0; i < _h[event].length; i++) {\n            if (_h[event][i].h === handler) {\n                return this;\n            }\n        }\n        var wrap = {\n            h: handler,\n            query: query,\n            ctx: (context || this),\n            callAtLast: handler.zrEventfulCallAtLast\n        };\n        var lastIndex = _h[event].length - 1;\n        var lastWrap = _h[event][lastIndex];\n        (lastWrap && lastWrap.callAtLast)\n            ? _h[event].splice(lastIndex, 0, wrap)\n            : _h[event].push(wrap);\n        return this;\n    };\n    Eventful.prototype.isSilent = function (eventName) {\n        var _h = this._$handlers;\n        return !_h || !_h[eventName] || !_h[eventName].length;\n    };\n    Eventful.prototype.off = function (eventType, handler) {\n        var _h = this._$handlers;\n        if (!_h) {\n            return this;\n        }\n        if (!eventType) {\n            this._$handlers = {};\n            return this;\n        }\n        if (handler) {\n            if (_h[eventType]) {\n                var newList = [];\n                for (var i = 0, l = _h[eventType].length; i < l; i++) {\n                    if (_h[eventType][i].h !== handler) {\n                        newList.push(_h[eventType][i]);\n                    }\n                }\n                _h[eventType] = newList;\n            }\n            if (_h[eventType] && _h[eventType].length === 0) {\n                delete _h[eventType];\n            }\n        }\n        else {\n            delete _h[eventType];\n        }\n        return this;\n    };\n    Eventful.prototype.trigger = function (eventType) {\n        var args = [];\n        for (var _i = 1; _i < arguments.length; _i++) {\n            args[_i - 1] = arguments[_i];\n        }\n        if (!this._$handlers) {\n            return this;\n        }\n        var _h = this._$handlers[eventType];\n        var eventProcessor = this._$eventProcessor;\n        if (_h) {\n            var argLen = args.length;\n            var len = _h.length;\n            for (var i = 0; i < len; i++) {\n                var hItem = _h[i];\n                if (eventProcessor\n                    && eventProcessor.filter\n                    && hItem.query != null\n                    && !eventProcessor.filter(eventType, hItem.query)) {\n                    continue;\n                }\n                switch (argLen) {\n                    case 0:\n                        hItem.h.call(hItem.ctx);\n                        break;\n                    case 1:\n                        hItem.h.call(hItem.ctx, args[0]);\n                        break;\n                    case 2:\n                        hItem.h.call(hItem.ctx, args[0], args[1]);\n                        break;\n                    default:\n                        hItem.h.apply(hItem.ctx, args);\n                        break;\n                }\n            }\n        }\n        eventProcessor && eventProcessor.afterTrigger\n            && eventProcessor.afterTrigger(eventType);\n        return this;\n    };\n    Eventful.prototype.triggerWithContext = function (type) {\n        if (!this._$handlers) {\n            return this;\n        }\n        var _h = this._$handlers[type];\n        var eventProcessor = this._$eventProcessor;\n        if (_h) {\n            var args = arguments;\n            var argLen = args.length;\n            var ctx = args[argLen - 1];\n            var len = _h.length;\n            for (var i = 0; i < len; i++) {\n                var hItem = _h[i];\n                if (eventProcessor\n                    && eventProcessor.filter\n                    && hItem.query != null\n                    && !eventProcessor.filter(type, hItem.query)) {\n                    continue;\n                }\n                switch (argLen) {\n                    case 0:\n                        hItem.h.call(ctx);\n                        break;\n                    case 1:\n                        hItem.h.call(ctx, args[0]);\n                        break;\n                    case 2:\n                        hItem.h.call(ctx, args[0], args[1]);\n                        break;\n                    default:\n                        hItem.h.apply(ctx, args.slice(1, argLen - 1));\n                        break;\n                }\n            }\n        }\n        eventProcessor && eventProcessor.afterTrigger\n            && eventProcessor.afterTrigger(type);\n        return this;\n    };\n    return Eventful;\n}());\nexport default Eventful;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util';\nimport Model from './Model';\nimport * as componentUtil from '../util/component';\nimport { enableClassManagement, parseClassType, isExtendedClass, mountExtend } from '../util/clazz';\nimport { makeInner, queryReferringComponents } from '../util/model';\nimport * as layout from '../util/layout';\nvar inner = makeInner();\n\nvar ComponentModel =\n/** @class */\nfunction (_super) {\n  __extends(ComponentModel, _super);\n\n  function ComponentModel(option, parentModel, ecModel) {\n    var _this = _super.call(this, option, parentModel, ecModel) || this;\n\n    _this.uid = componentUtil.getUID('ec_cpt_model');\n    return _this;\n  }\n\n  ComponentModel.prototype.init = function (option, parentModel, ecModel) {\n    this.mergeDefaultAndTheme(option, ecModel);\n  };\n\n  ComponentModel.prototype.mergeDefaultAndTheme = function (option, ecModel) {\n    var layoutMode = layout.fetchLayoutMode(this);\n    var inputPositionParams = layoutMode ? layout.getLayoutParams(option) : {};\n    var themeModel = ecModel.getTheme();\n    zrUtil.merge(option, themeModel.get(this.mainType));\n    zrUtil.merge(option, this.getDefaultOption());\n\n    if (layoutMode) {\n      layout.mergeLayoutParam(option, inputPositionParams, layoutMode);\n    }\n  };\n\n  ComponentModel.prototype.mergeOption = function (option, ecModel) {\n    zrUtil.merge(this.option, option, true);\n    var layoutMode = layout.fetchLayoutMode(this);\n\n    if (layoutMode) {\n      layout.mergeLayoutParam(this.option, option, layoutMode);\n    }\n  };\n  /**\n   * Called immediately after `init` or `mergeOption` of this instance called.\n   */\n\n\n  ComponentModel.prototype.optionUpdated = function (newCptOption, isInit) {};\n  /**\n   * [How to declare defaultOption]:\n   *\n   * (A) If using class declaration in typescript (since echarts 5):\n   * ```ts\n   * import {ComponentOption} from '../model/option';\n   * export interface XxxOption extends ComponentOption {\n   *     aaa: number\n   * }\n   * export class XxxModel extends Component {\n   *     static type = 'xxx';\n   *     static defaultOption: XxxOption = {\n   *         aaa: 123\n   *     }\n   * }\n   * Component.registerClass(XxxModel);\n   * ```\n   * ```ts\n   * import {inheritDefaultOption} from '../util/component';\n   * import {XxxModel, XxxOption} from './XxxModel';\n   * export interface XxxSubOption extends XxxOption {\n   *     bbb: number\n   * }\n   * class XxxSubModel extends XxxModel {\n   *     static defaultOption: XxxSubOption = inheritDefaultOption(XxxModel.defaultOption, {\n   *         bbb: 456\n   *     })\n   *     fn() {\n   *         let opt = this.getDefaultOption();\n   *         // opt is {aaa: 123, bbb: 456}\n   *     }\n   * }\n   * ```\n   *\n   * (B) If using class extend (previous approach in echarts 3 & 4):\n   * ```js\n   * let XxxComponent = Component.extend({\n   *     defaultOption: {\n   *         xx: 123\n   *     }\n   * })\n   * ```\n   * ```js\n   * let XxxSubComponent = XxxComponent.extend({\n   *     defaultOption: {\n   *         yy: 456\n   *     },\n   *     fn: function () {\n   *         let opt = this.getDefaultOption();\n   *         // opt is {xx: 123, yy: 456}\n   *     }\n   * })\n   * ```\n   */\n\n\n  ComponentModel.prototype.getDefaultOption = function () {\n    var ctor = this.constructor; // If using class declaration, it is different to travel super class\n    // in legacy env and auto merge defaultOption. So if using class\n    // declaration, defaultOption should be merged manually.\n\n    if (!isExtendedClass(ctor)) {\n      // When using ts class, defaultOption must be declared as static.\n      return ctor.defaultOption;\n    } // FIXME: remove this approach?\n\n\n    var fields = inner(this);\n\n    if (!fields.defaultOption) {\n      var optList = [];\n      var clz = ctor;\n\n      while (clz) {\n        var opt = clz.prototype.defaultOption;\n        opt && optList.push(opt);\n        clz = clz.superClass;\n      }\n\n      var defaultOption = {};\n\n      for (var i = optList.length - 1; i >= 0; i--) {\n        defaultOption = zrUtil.merge(defaultOption, optList[i], true);\n      }\n\n      fields.defaultOption = defaultOption;\n    }\n\n    return fields.defaultOption;\n  };\n  /**\n   * Notice: always force to input param `useDefault` in case that forget to consider it.\n   * The same behavior as `modelUtil.parseFinder`.\n   *\n   * @param useDefault In many cases like series refer axis and axis refer grid,\n   *        If axis index / axis id not specified, use the first target as default.\n   *        In other cases like dataZoom refer axis, if not specified, measn no refer.\n   */\n\n\n  ComponentModel.prototype.getReferringComponents = function (mainType, opt) {\n    var indexKey = mainType + 'Index';\n    var idKey = mainType + 'Id';\n    return queryReferringComponents(this.ecModel, mainType, {\n      index: this.get(indexKey, true),\n      id: this.get(idKey, true)\n    }, opt);\n  };\n\n  ComponentModel.prototype.getBoxLayoutParams = function () {\n    // Consider itself having box layout configs.\n    var boxLayoutModel = this;\n    return {\n      left: boxLayoutModel.get('left'),\n      top: boxLayoutModel.get('top'),\n      right: boxLayoutModel.get('right'),\n      bottom: boxLayoutModel.get('bottom'),\n      width: boxLayoutModel.get('width'),\n      height: boxLayoutModel.get('height')\n    };\n  };\n\n  ComponentModel.protoInitialize = function () {\n    var proto = ComponentModel.prototype;\n    proto.type = 'component';\n    proto.id = '';\n    proto.name = '';\n    proto.mainType = '';\n    proto.subType = '';\n    proto.componentIndex = 0;\n  }();\n\n  return ComponentModel;\n}(Model);\n\nmountExtend(ComponentModel, Model);\nenableClassManagement(ComponentModel);\ncomponentUtil.enableSubTypeDefaulter(ComponentModel);\ncomponentUtil.enableTopologicalTravel(ComponentModel, getDependencies);\n\nfunction getDependencies(componentType) {\n  var deps = [];\n  zrUtil.each(ComponentModel.getClassesByMainType(componentType), function (clz) {\n    deps = deps.concat(clz.dependencies || clz.prototype.dependencies || []);\n  }); // Ensure main type.\n\n  deps = zrUtil.map(deps, function (type) {\n    return parseClassType(type).main;\n  }); // Hack dataset for convenience.\n\n  if (componentType !== 'dataset' && zrUtil.indexOf(deps, 'dataset') <= 0) {\n    deps.unshift('dataset');\n  }\n\n  return deps;\n}\n\nexport default ComponentModel;","import { __values, __assign, __extends } from 'tslib';\nimport { ScrollDispatcher, ViewportRuler, ScrollingModule } from '@angular/cdk/scrolling';\nexport { CdkScrollable, ScrollDispatcher, ViewportRuler } from '@angular/cdk/scrolling';\nimport { DOCUMENT, Location } from '@angular/common';\nimport { Injectable, NgZone, Inject, ɵɵdefineInjectable, ɵɵinject, Optional, SkipSelf, ElementRef, ApplicationRef, ComponentFactoryResolver, Injector, InjectionToken, Directive, EventEmitter, TemplateRef, ViewContainerRef, Input, Output, NgModule } from '@angular/core';\nimport { coerceCssPixelValue, coerceArray, coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { Directionality, BidiModule } from '@angular/cdk/bidi';\nimport { DomPortalOutlet, TemplatePortal, PortalModule } from '@angular/cdk/portal';\nimport { Platform } from '@angular/cdk/platform';\nimport { Subject, Subscription, Observable, merge } from 'rxjs';\nimport { take, takeUntil } from 'rxjs/operators';\nimport { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Strategy that will prevent the user from scrolling while the overlay is visible.\n */\nvar BlockScrollStrategy = /** @class */ (function () {\n    function BlockScrollStrategy(_viewportRuler, document) {\n        this._viewportRuler = _viewportRuler;\n        this._previousHTMLStyles = { top: '', left: '' };\n        this._isEnabled = false;\n        this._document = document;\n    }\n    /** Attaches this scroll strategy to an overlay. */\n    BlockScrollStrategy.prototype.attach = function () { };\n    /** Blocks page-level scroll while the attached overlay is open. */\n    BlockScrollStrategy.prototype.enable = function () {\n        if (this._canBeEnabled()) {\n            var root = this._document.documentElement;\n            this._previousScrollPosition = this._viewportRuler.getViewportScrollPosition();\n            // Cache the previous inline styles in case the user had set them.\n            this._previousHTMLStyles.left = root.style.left || '';\n            this._previousHTMLStyles.top = root.style.top || '';\n            // Note: we're using the `html` node, instead of the `body`, because the `body` may\n            // have the user agent margin, whereas the `html` is guaranteed not to have one.\n            root.style.left = coerceCssPixelValue(-this._previousScrollPosition.left);\n            root.style.top = coerceCssPixelValue(-this._previousScrollPosition.top);\n            root.classList.add('cdk-global-scrollblock');\n            this._isEnabled = true;\n        }\n    };\n    /** Unblocks page-level scroll while the attached overlay is open. */\n    BlockScrollStrategy.prototype.disable = function () {\n        if (this._isEnabled) {\n            var html = this._document.documentElement;\n            var body = this._document.body;\n            var htmlStyle = html.style;\n            var bodyStyle = body.style;\n            var previousHtmlScrollBehavior = htmlStyle.scrollBehavior || '';\n            var previousBodyScrollBehavior = bodyStyle.scrollBehavior || '';\n            this._isEnabled = false;\n            htmlStyle.left = this._previousHTMLStyles.left;\n            htmlStyle.top = this._previousHTMLStyles.top;\n            html.classList.remove('cdk-global-scrollblock');\n            // Disable user-defined smooth scrolling temporarily while we restore the scroll position.\n            // See https://developer.mozilla.org/en-US/docs/Web/CSS/scroll-behavior\n            htmlStyle.scrollBehavior = bodyStyle.scrollBehavior = 'auto';\n            window.scroll(this._previousScrollPosition.left, this._previousScrollPosition.top);\n            htmlStyle.scrollBehavior = previousHtmlScrollBehavior;\n            bodyStyle.scrollBehavior = previousBodyScrollBehavior;\n        }\n    };\n    BlockScrollStrategy.prototype._canBeEnabled = function () {\n        // Since the scroll strategies can't be singletons, we have to use a global CSS class\n        // (`cdk-global-scrollblock`) to make sure that we don't try to disable global\n        // scrolling multiple times.\n        var html = this._document.documentElement;\n        if (html.classList.contains('cdk-global-scrollblock') || this._isEnabled) {\n            return false;\n        }\n        var body = this._document.body;\n        var viewport = this._viewportRuler.getViewportSize();\n        return body.scrollHeight > viewport.height || body.scrollWidth > viewport.width;\n    };\n    return BlockScrollStrategy;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Returns an error to be thrown when attempting to attach an already-attached scroll strategy.\n */\nfunction getMatScrollStrategyAlreadyAttachedError() {\n    return Error(\"Scroll strategy has already been attached.\");\n}\n\n/**\n * Strategy that will close the overlay as soon as the user starts scrolling.\n */\nvar CloseScrollStrategy = /** @class */ (function () {\n    function CloseScrollStrategy(_scrollDispatcher, _ngZone, _viewportRuler, _config) {\n        var _this = this;\n        this._scrollDispatcher = _scrollDispatcher;\n        this._ngZone = _ngZone;\n        this._viewportRuler = _viewportRuler;\n        this._config = _config;\n        this._scrollSubscription = null;\n        /** Detaches the overlay ref and disables the scroll strategy. */\n        this._detach = function () {\n            _this.disable();\n            if (_this._overlayRef.hasAttached()) {\n                _this._ngZone.run(function () { return _this._overlayRef.detach(); });\n            }\n        };\n    }\n    /** Attaches this scroll strategy to an overlay. */\n    CloseScrollStrategy.prototype.attach = function (overlayRef) {\n        if (this._overlayRef) {\n            throw getMatScrollStrategyAlreadyAttachedError();\n        }\n        this._overlayRef = overlayRef;\n    };\n    /** Enables the closing of the attached overlay on scroll. */\n    CloseScrollStrategy.prototype.enable = function () {\n        var _this = this;\n        if (this._scrollSubscription) {\n            return;\n        }\n        var stream = this._scrollDispatcher.scrolled(0);\n        if (this._config && this._config.threshold && this._config.threshold > 1) {\n            this._initialScrollPosition = this._viewportRuler.getViewportScrollPosition().top;\n            this._scrollSubscription = stream.subscribe(function () {\n                var scrollPosition = _this._viewportRuler.getViewportScrollPosition().top;\n                if (Math.abs(scrollPosition - _this._initialScrollPosition) > _this._config.threshold) {\n                    _this._detach();\n                }\n                else {\n                    _this._overlayRef.updatePosition();\n                }\n            });\n        }\n        else {\n            this._scrollSubscription = stream.subscribe(this._detach);\n        }\n    };\n    /** Disables the closing the attached overlay on scroll. */\n    CloseScrollStrategy.prototype.disable = function () {\n        if (this._scrollSubscription) {\n            this._scrollSubscription.unsubscribe();\n            this._scrollSubscription = null;\n        }\n    };\n    CloseScrollStrategy.prototype.detach = function () {\n        this.disable();\n        this._overlayRef = null;\n    };\n    return CloseScrollStrategy;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Scroll strategy that doesn't do anything. */\nvar NoopScrollStrategy = /** @class */ (function () {\n    function NoopScrollStrategy() {\n    }\n    /** Does nothing, as this scroll strategy is a no-op. */\n    NoopScrollStrategy.prototype.enable = function () { };\n    /** Does nothing, as this scroll strategy is a no-op. */\n    NoopScrollStrategy.prototype.disable = function () { };\n    /** Does nothing, as this scroll strategy is a no-op. */\n    NoopScrollStrategy.prototype.attach = function () { };\n    return NoopScrollStrategy;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// TODO(jelbourn): move this to live with the rest of the scrolling code\n// TODO(jelbourn): someday replace this with IntersectionObservers\n/**\n * Gets whether an element is scrolled outside of view by any of its parent scrolling containers.\n * @param element Dimensions of the element (from getBoundingClientRect)\n * @param scrollContainers Dimensions of element's scrolling containers (from getBoundingClientRect)\n * @returns Whether the element is scrolled out of view\n * @docs-private\n */\nfunction isElementScrolledOutsideView(element, scrollContainers) {\n    return scrollContainers.some(function (containerBounds) {\n        var outsideAbove = element.bottom < containerBounds.top;\n        var outsideBelow = element.top > containerBounds.bottom;\n        var outsideLeft = element.right < containerBounds.left;\n        var outsideRight = element.left > containerBounds.right;\n        return outsideAbove || outsideBelow || outsideLeft || outsideRight;\n    });\n}\n/**\n * Gets whether an element is clipped by any of its scrolling containers.\n * @param element Dimensions of the element (from getBoundingClientRect)\n * @param scrollContainers Dimensions of element's scrolling containers (from getBoundingClientRect)\n * @returns Whether the element is clipped\n * @docs-private\n */\nfunction isElementClippedByScrolling(element, scrollContainers) {\n    return scrollContainers.some(function (scrollContainerRect) {\n        var clippedAbove = element.top < scrollContainerRect.top;\n        var clippedBelow = element.bottom > scrollContainerRect.bottom;\n        var clippedLeft = element.left < scrollContainerRect.left;\n        var clippedRight = element.right > scrollContainerRect.right;\n        return clippedAbove || clippedBelow || clippedLeft || clippedRight;\n    });\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Strategy that will update the element position as the user is scrolling.\n */\nvar RepositionScrollStrategy = /** @class */ (function () {\n    function RepositionScrollStrategy(_scrollDispatcher, _viewportRuler, _ngZone, _config) {\n        this._scrollDispatcher = _scrollDispatcher;\n        this._viewportRuler = _viewportRuler;\n        this._ngZone = _ngZone;\n        this._config = _config;\n        this._scrollSubscription = null;\n    }\n    /** Attaches this scroll strategy to an overlay. */\n    RepositionScrollStrategy.prototype.attach = function (overlayRef) {\n        if (this._overlayRef) {\n            throw getMatScrollStrategyAlreadyAttachedError();\n        }\n        this._overlayRef = overlayRef;\n    };\n    /** Enables repositioning of the attached overlay on scroll. */\n    RepositionScrollStrategy.prototype.enable = function () {\n        var _this = this;\n        if (!this._scrollSubscription) {\n            var throttle = this._config ? this._config.scrollThrottle : 0;\n            this._scrollSubscription = this._scrollDispatcher.scrolled(throttle).subscribe(function () {\n                _this._overlayRef.updatePosition();\n                // TODO(crisbeto): make `close` on by default once all components can handle it.\n                if (_this._config && _this._config.autoClose) {\n                    var overlayRect = _this._overlayRef.overlayElement.getBoundingClientRect();\n                    var _a = _this._viewportRuler.getViewportSize(), width = _a.width, height = _a.height;\n                    // TODO(crisbeto): include all ancestor scroll containers here once\n                    // we have a way of exposing the trigger element to the scroll strategy.\n                    var parentRects = [{ width: width, height: height, bottom: height, right: width, top: 0, left: 0 }];\n                    if (isElementScrolledOutsideView(overlayRect, parentRects)) {\n                        _this.disable();\n                        _this._ngZone.run(function () { return _this._overlayRef.detach(); });\n                    }\n                }\n            });\n        }\n    };\n    /** Disables repositioning of the attached overlay on scroll. */\n    RepositionScrollStrategy.prototype.disable = function () {\n        if (this._scrollSubscription) {\n            this._scrollSubscription.unsubscribe();\n            this._scrollSubscription = null;\n        }\n    };\n    RepositionScrollStrategy.prototype.detach = function () {\n        this.disable();\n        this._overlayRef = null;\n    };\n    return RepositionScrollStrategy;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Options for how an overlay will handle scrolling.\n *\n * Users can provide a custom value for `ScrollStrategyOptions` to replace the default\n * behaviors. This class primarily acts as a factory for ScrollStrategy instances.\n */\nvar ScrollStrategyOptions = /** @class */ (function () {\n    function ScrollStrategyOptions(_scrollDispatcher, _viewportRuler, _ngZone, document) {\n        var _this = this;\n        this._scrollDispatcher = _scrollDispatcher;\n        this._viewportRuler = _viewportRuler;\n        this._ngZone = _ngZone;\n        /** Do nothing on scroll. */\n        this.noop = function () { return new NoopScrollStrategy(); };\n        /**\n         * Close the overlay as soon as the user scrolls.\n         * @param config Configuration to be used inside the scroll strategy.\n         */\n        this.close = function (config) { return new CloseScrollStrategy(_this._scrollDispatcher, _this._ngZone, _this._viewportRuler, config); };\n        /** Block scrolling. */\n        this.block = function () { return new BlockScrollStrategy(_this._viewportRuler, _this._document); };\n        /**\n         * Update the overlay's position on scroll.\n         * @param config Configuration to be used inside the scroll strategy.\n         * Allows debouncing the reposition calls.\n         */\n        this.reposition = function (config) { return new RepositionScrollStrategy(_this._scrollDispatcher, _this._viewportRuler, _this._ngZone, config); };\n        this._document = document;\n    }\n    ScrollStrategyOptions.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    ScrollStrategyOptions.ctorParameters = function () { return [\n        { type: ScrollDispatcher },\n        { type: ViewportRuler },\n        { type: NgZone },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }\n    ]; };\n    ScrollStrategyOptions.ɵprov = ɵɵdefineInjectable({ factory: function ScrollStrategyOptions_Factory() { return new ScrollStrategyOptions(ɵɵinject(ScrollDispatcher), ɵɵinject(ViewportRuler), ɵɵinject(NgZone), ɵɵinject(DOCUMENT)); }, token: ScrollStrategyOptions, providedIn: \"root\" });\n    return ScrollStrategyOptions;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Initial configuration used when creating an overlay. */\nvar OverlayConfig = /** @class */ (function () {\n    function OverlayConfig(config) {\n        var e_1, _a;\n        /** Strategy to be used when handling scroll events while the overlay is open. */\n        this.scrollStrategy = new NoopScrollStrategy();\n        /** Custom class to add to the overlay pane. */\n        this.panelClass = '';\n        /** Whether the overlay has a backdrop. */\n        this.hasBackdrop = false;\n        /** Custom class to add to the backdrop */\n        this.backdropClass = 'cdk-overlay-dark-backdrop';\n        /**\n         * Whether the overlay should be disposed of when the user goes backwards/forwards in history.\n         * Note that this usually doesn't include clicking on links (unless the user is using\n         * the `HashLocationStrategy`).\n         */\n        this.disposeOnNavigation = false;\n        if (config) {\n            // Use `Iterable` instead of `Array` because TypeScript, as of 3.6.3,\n            // loses the array generic type in the `for of`. But we *also* have to use `Array` because\n            // typescript won't iterate over an `Iterable` unless you compile with `--downlevelIteration`\n            var configKeys = Object.keys(config);\n            try {\n                for (var configKeys_1 = __values(configKeys), configKeys_1_1 = configKeys_1.next(); !configKeys_1_1.done; configKeys_1_1 = configKeys_1.next()) {\n                    var key = configKeys_1_1.value;\n                    if (config[key] !== undefined) {\n                        // TypeScript, as of version 3.5, sees the left-hand-side of this expression\n                        // as \"I don't know *which* key this is, so the only valid value is the intersection\n                        // of all the posible values.\" In this case, that happens to be `undefined`. TypeScript\n                        // is not smart enough to see that the right-hand-side is actually an access of the same\n                        // exact type with the same exact key, meaning that the value type must be identical.\n                        // So we use `any` to work around this.\n                        this[key] = config[key];\n                    }\n                }\n            }\n            catch (e_1_1) { e_1 = { error: e_1_1 }; }\n            finally {\n                try {\n                    if (configKeys_1_1 && !configKeys_1_1.done && (_a = configKeys_1.return)) _a.call(configKeys_1);\n                }\n                finally { if (e_1) throw e_1.error; }\n            }\n        }\n    }\n    return OverlayConfig;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** The points of the origin element and the overlay element to connect. */\nvar ConnectionPositionPair = /** @class */ (function () {\n    function ConnectionPositionPair(origin, overlay, \n    /** Offset along the X axis. */\n    offsetX, \n    /** Offset along the Y axis. */\n    offsetY, \n    /** Class(es) to be applied to the panel while this position is active. */\n    panelClass) {\n        this.offsetX = offsetX;\n        this.offsetY = offsetY;\n        this.panelClass = panelClass;\n        this.originX = origin.originX;\n        this.originY = origin.originY;\n        this.overlayX = overlay.overlayX;\n        this.overlayY = overlay.overlayY;\n    }\n    return ConnectionPositionPair;\n}());\n/**\n * Set of properties regarding the position of the origin and overlay relative to the viewport\n * with respect to the containing Scrollable elements.\n *\n * The overlay and origin are clipped if any part of their bounding client rectangle exceeds the\n * bounds of any one of the strategy's Scrollable's bounding client rectangle.\n *\n * The overlay and origin are outside view if there is no overlap between their bounding client\n * rectangle and any one of the strategy's Scrollable's bounding client rectangle.\n *\n *       -----------                    -----------\n *       | outside |                    | clipped |\n *       |  view   |              --------------------------\n *       |         |              |     |         |        |\n *       ----------               |     -----------        |\n *  --------------------------    |                        |\n *  |                        |    |      Scrollable        |\n *  |                        |    |                        |\n *  |                        |     --------------------------\n *  |      Scrollable        |\n *  |                        |\n *  --------------------------\n *\n *  @docs-private\n */\nvar ScrollingVisibility = /** @class */ (function () {\n    function ScrollingVisibility() {\n    }\n    return ScrollingVisibility;\n}());\n/** The change event emitted by the strategy when a fallback position is used. */\nvar ConnectedOverlayPositionChange = /** @class */ (function () {\n    function ConnectedOverlayPositionChange(\n    /** The position used as a result of this change. */\n    connectionPair, \n    /** @docs-private */\n    scrollableViewProperties) {\n        this.connectionPair = connectionPair;\n        this.scrollableViewProperties = scrollableViewProperties;\n    }\n    /** @nocollapse */\n    ConnectedOverlayPositionChange.ctorParameters = function () { return [\n        { type: ConnectionPositionPair },\n        { type: ScrollingVisibility, decorators: [{ type: Optional }] }\n    ]; };\n    return ConnectedOverlayPositionChange;\n}());\n/**\n * Validates whether a vertical position property matches the expected values.\n * @param property Name of the property being validated.\n * @param value Value of the property being validated.\n * @docs-private\n */\nfunction validateVerticalPosition(property, value) {\n    if (value !== 'top' && value !== 'bottom' && value !== 'center') {\n        throw Error(\"ConnectedPosition: Invalid \" + property + \" \\\"\" + value + \"\\\". \" +\n            \"Expected \\\"top\\\", \\\"bottom\\\" or \\\"center\\\".\");\n    }\n}\n/**\n * Validates whether a horizontal position property matches the expected values.\n * @param property Name of the property being validated.\n * @param value Value of the property being validated.\n * @docs-private\n */\nfunction validateHorizontalPosition(property, value) {\n    if (value !== 'start' && value !== 'end' && value !== 'center') {\n        throw Error(\"ConnectedPosition: Invalid \" + property + \" \\\"\" + value + \"\\\". \" +\n            \"Expected \\\"start\\\", \\\"end\\\" or \\\"center\\\".\");\n    }\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Service for dispatching keyboard events that land on the body to appropriate overlay ref,\n * if any. It maintains a list of attached overlays to determine best suited overlay based\n * on event target and order of overlay opens.\n */\nvar OverlayKeyboardDispatcher = /** @class */ (function () {\n    function OverlayKeyboardDispatcher(document) {\n        var _this = this;\n        /** Currently attached overlays in the order they were attached. */\n        this._attachedOverlays = [];\n        /** Keyboard event listener that will be attached to the body. */\n        this._keydownListener = function (event) {\n            var overlays = _this._attachedOverlays;\n            for (var i = overlays.length - 1; i > -1; i--) {\n                // Dispatch the keydown event to the top overlay which has subscribers to its keydown events.\n                // We want to target the most recent overlay, rather than trying to match where the event came\n                // from, because some components might open an overlay, but keep focus on a trigger element\n                // (e.g. for select and autocomplete). We skip overlays without keydown event subscriptions,\n                // because we don't want overlays that don't handle keyboard events to block the ones below\n                // them that do.\n                if (overlays[i]._keydownEventSubscriptions > 0) {\n                    overlays[i]._keydownEvents.next(event);\n                    break;\n                }\n            }\n        };\n        this._document = document;\n    }\n    OverlayKeyboardDispatcher.prototype.ngOnDestroy = function () {\n        this._detach();\n    };\n    /** Add a new overlay to the list of attached overlay refs. */\n    OverlayKeyboardDispatcher.prototype.add = function (overlayRef) {\n        // Ensure that we don't get the same overlay multiple times.\n        this.remove(overlayRef);\n        // Lazily start dispatcher once first overlay is added\n        if (!this._isAttached) {\n            this._document.body.addEventListener('keydown', this._keydownListener);\n            this._isAttached = true;\n        }\n        this._attachedOverlays.push(overlayRef);\n    };\n    /** Remove an overlay from the list of attached overlay refs. */\n    OverlayKeyboardDispatcher.prototype.remove = function (overlayRef) {\n        var index = this._attachedOverlays.indexOf(overlayRef);\n        if (index > -1) {\n            this._attachedOverlays.splice(index, 1);\n        }\n        // Remove the global listener once there are no more overlays.\n        if (this._attachedOverlays.length === 0) {\n            this._detach();\n        }\n    };\n    /** Detaches the global keyboard event listener. */\n    OverlayKeyboardDispatcher.prototype._detach = function () {\n        if (this._isAttached) {\n            this._document.body.removeEventListener('keydown', this._keydownListener);\n            this._isAttached = false;\n        }\n    };\n    OverlayKeyboardDispatcher.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    OverlayKeyboardDispatcher.ctorParameters = function () { return [\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }\n    ]; };\n    OverlayKeyboardDispatcher.ɵprov = ɵɵdefineInjectable({ factory: function OverlayKeyboardDispatcher_Factory() { return new OverlayKeyboardDispatcher(ɵɵinject(DOCUMENT)); }, token: OverlayKeyboardDispatcher, providedIn: \"root\" });\n    return OverlayKeyboardDispatcher;\n}());\n/** @docs-private @deprecated @breaking-change 8.0.0 */\nfunction OVERLAY_KEYBOARD_DISPATCHER_PROVIDER_FACTORY(dispatcher, _document) {\n    return dispatcher || new OverlayKeyboardDispatcher(_document);\n}\n/** @docs-private @deprecated @breaking-change 8.0.0 */\nvar OVERLAY_KEYBOARD_DISPATCHER_PROVIDER = {\n    // If there is already an OverlayKeyboardDispatcher available, use that.\n    // Otherwise, provide a new one.\n    provide: OverlayKeyboardDispatcher,\n    deps: [\n        [new Optional(), new SkipSelf(), OverlayKeyboardDispatcher],\n        // Coerce to `InjectionToken` so that the `deps` match the \"shape\"\n        // of the type expected by Angular\n        DOCUMENT\n    ],\n    useFactory: OVERLAY_KEYBOARD_DISPATCHER_PROVIDER_FACTORY\n};\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Whether we're in a testing environment.\n * TODO(crisbeto): remove this once we have an overlay testing module.\n */\nvar isTestEnvironment = typeof window !== 'undefined' && !!window &&\n    !!(window.__karma__ || window.jasmine);\n/** Container inside which all overlays will render. */\nvar OverlayContainer = /** @class */ (function () {\n    function OverlayContainer(document, \n    /**\n     * @deprecated `platform` parameter to become required.\n     * @breaking-change 10.0.0\n     */\n    _platform) {\n        this._platform = _platform;\n        this._document = document;\n    }\n    OverlayContainer.prototype.ngOnDestroy = function () {\n        var container = this._containerElement;\n        if (container && container.parentNode) {\n            container.parentNode.removeChild(container);\n        }\n    };\n    /**\n     * This method returns the overlay container element. It will lazily\n     * create the element the first time  it is called to facilitate using\n     * the container in non-browser environments.\n     * @returns the container element\n     */\n    OverlayContainer.prototype.getContainerElement = function () {\n        if (!this._containerElement) {\n            this._createContainer();\n        }\n        return this._containerElement;\n    };\n    /**\n     * Create the overlay container element, which is simply a div\n     * with the 'cdk-overlay-container' class on the document body.\n     */\n    OverlayContainer.prototype._createContainer = function () {\n        // @breaking-change 10.0.0 Remove null check for `_platform`.\n        var isBrowser = this._platform ? this._platform.isBrowser : typeof window !== 'undefined';\n        var containerClass = 'cdk-overlay-container';\n        if (isBrowser || isTestEnvironment) {\n            var oppositePlatformContainers = this._document.querySelectorAll(\".\" + containerClass + \"[platform=\\\"server\\\"], \" +\n                (\".\" + containerClass + \"[platform=\\\"test\\\"]\"));\n            // Remove any old containers from the opposite platform.\n            // This can happen when transitioning from the server to the client.\n            for (var i = 0; i < oppositePlatformContainers.length; i++) {\n                oppositePlatformContainers[i].parentNode.removeChild(oppositePlatformContainers[i]);\n            }\n        }\n        var container = this._document.createElement('div');\n        container.classList.add(containerClass);\n        // A long time ago we kept adding new overlay containers whenever a new app was instantiated,\n        // but at some point we added logic which clears the duplicate ones in order to avoid leaks.\n        // The new logic was a little too aggressive since it was breaking some legitimate use cases.\n        // To mitigate the problem we made it so that only containers from a different platform are\n        // cleared, but the side-effect was that people started depending on the overly-aggressive\n        // logic to clean up their tests for them. Until we can introduce an overlay-specific testing\n        // module which does the cleanup, we try to detect that we're in a test environment and we\n        // always clear the container. See #17006.\n        // TODO(crisbeto): remove the test environment check once we have an overlay testing module.\n        if (isTestEnvironment) {\n            container.setAttribute('platform', 'test');\n        }\n        else if (!isBrowser) {\n            container.setAttribute('platform', 'server');\n        }\n        this._document.body.appendChild(container);\n        this._containerElement = container;\n    };\n    OverlayContainer.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    OverlayContainer.ctorParameters = function () { return [\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },\n        { type: Platform }\n    ]; };\n    OverlayContainer.ɵprov = ɵɵdefineInjectable({ factory: function OverlayContainer_Factory() { return new OverlayContainer(ɵɵinject(DOCUMENT), ɵɵinject(Platform)); }, token: OverlayContainer, providedIn: \"root\" });\n    return OverlayContainer;\n}());\n/** @docs-private @deprecated @breaking-change 8.0.0 */\nfunction OVERLAY_CONTAINER_PROVIDER_FACTORY(parentContainer, _document) {\n    return parentContainer || new OverlayContainer(_document);\n}\n/** @docs-private @deprecated @breaking-change 8.0.0 */\nvar OVERLAY_CONTAINER_PROVIDER = {\n    // If there is already an OverlayContainer available, use that. Otherwise, provide a new one.\n    provide: OverlayContainer,\n    deps: [\n        [new Optional(), new SkipSelf(), OverlayContainer],\n        DOCUMENT // We need to use the InjectionToken somewhere to keep TS happy\n    ],\n    useFactory: OVERLAY_CONTAINER_PROVIDER_FACTORY\n};\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Reference to an overlay that has been created with the Overlay service.\n * Used to manipulate or dispose of said overlay.\n */\nvar OverlayRef = /** @class */ (function () {\n    function OverlayRef(_portalOutlet, _host, _pane, _config, _ngZone, _keyboardDispatcher, _document, \n    // @breaking-change 8.0.0 `_location` parameter to be made required.\n    _location) {\n        var _this = this;\n        this._portalOutlet = _portalOutlet;\n        this._host = _host;\n        this._pane = _pane;\n        this._config = _config;\n        this._ngZone = _ngZone;\n        this._keyboardDispatcher = _keyboardDispatcher;\n        this._document = _document;\n        this._location = _location;\n        this._backdropElement = null;\n        this._backdropClick = new Subject();\n        this._attachments = new Subject();\n        this._detachments = new Subject();\n        this._locationChanges = Subscription.EMPTY;\n        this._backdropClickHandler = function (event) { return _this._backdropClick.next(event); };\n        this._keydownEventsObservable = new Observable(function (observer) {\n            var subscription = _this._keydownEvents.subscribe(observer);\n            _this._keydownEventSubscriptions++;\n            return function () {\n                subscription.unsubscribe();\n                _this._keydownEventSubscriptions--;\n            };\n        });\n        /** Stream of keydown events dispatched to this overlay. */\n        this._keydownEvents = new Subject();\n        /** Amount of subscriptions to the keydown events. */\n        this._keydownEventSubscriptions = 0;\n        if (_config.scrollStrategy) {\n            this._scrollStrategy = _config.scrollStrategy;\n            this._scrollStrategy.attach(this);\n        }\n        this._positionStrategy = _config.positionStrategy;\n    }\n    Object.defineProperty(OverlayRef.prototype, \"overlayElement\", {\n        /** The overlay's HTML element */\n        get: function () {\n            return this._pane;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(OverlayRef.prototype, \"backdropElement\", {\n        /** The overlay's backdrop HTML element. */\n        get: function () {\n            return this._backdropElement;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(OverlayRef.prototype, \"hostElement\", {\n        /**\n         * Wrapper around the panel element. Can be used for advanced\n         * positioning where a wrapper with specific styling is\n         * required around the overlay pane.\n         */\n        get: function () {\n            return this._host;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Attaches content, given via a Portal, to the overlay.\n     * If the overlay is configured to have a backdrop, it will be created.\n     *\n     * @param portal Portal instance to which to attach the overlay.\n     * @returns The portal attachment result.\n     */\n    OverlayRef.prototype.attach = function (portal) {\n        var _this = this;\n        var attachResult = this._portalOutlet.attach(portal);\n        if (this._positionStrategy) {\n            this._positionStrategy.attach(this);\n        }\n        // Update the pane element with the given configuration.\n        if (!this._host.parentElement && this._previousHostParent) {\n            this._previousHostParent.appendChild(this._host);\n        }\n        this._updateStackingOrder();\n        this._updateElementSize();\n        this._updateElementDirection();\n        if (this._scrollStrategy) {\n            this._scrollStrategy.enable();\n        }\n        // Update the position once the zone is stable so that the overlay will be fully rendered\n        // before attempting to position it, as the position may depend on the size of the rendered\n        // content.\n        this._ngZone.onStable\n            .asObservable()\n            .pipe(take(1))\n            .subscribe(function () {\n            // The overlay could've been detached before the zone has stabilized.\n            if (_this.hasAttached()) {\n                _this.updatePosition();\n            }\n        });\n        // Enable pointer events for the overlay pane element.\n        this._togglePointerEvents(true);\n        if (this._config.hasBackdrop) {\n            this._attachBackdrop();\n        }\n        if (this._config.panelClass) {\n            this._toggleClasses(this._pane, this._config.panelClass, true);\n        }\n        // Only emit the `attachments` event once all other setup is done.\n        this._attachments.next();\n        // Track this overlay by the keyboard dispatcher\n        this._keyboardDispatcher.add(this);\n        // @breaking-change 8.0.0 remove the null check for `_location`\n        // once the constructor parameter is made required.\n        if (this._config.disposeOnNavigation && this._location) {\n            this._locationChanges = this._location.subscribe(function () { return _this.dispose(); });\n        }\n        return attachResult;\n    };\n    /**\n     * Detaches an overlay from a portal.\n     * @returns The portal detachment result.\n     */\n    OverlayRef.prototype.detach = function () {\n        if (!this.hasAttached()) {\n            return;\n        }\n        this.detachBackdrop();\n        // When the overlay is detached, the pane element should disable pointer events.\n        // This is necessary because otherwise the pane element will cover the page and disable\n        // pointer events therefore. Depends on the position strategy and the applied pane boundaries.\n        this._togglePointerEvents(false);\n        if (this._positionStrategy && this._positionStrategy.detach) {\n            this._positionStrategy.detach();\n        }\n        if (this._scrollStrategy) {\n            this._scrollStrategy.disable();\n        }\n        var detachmentResult = this._portalOutlet.detach();\n        // Only emit after everything is detached.\n        this._detachments.next();\n        // Remove this overlay from keyboard dispatcher tracking.\n        this._keyboardDispatcher.remove(this);\n        // Keeping the host element in the DOM can cause scroll jank, because it still gets\n        // rendered, even though it's transparent and unclickable which is why we remove it.\n        this._detachContentWhenStable();\n        // Stop listening for location changes.\n        this._locationChanges.unsubscribe();\n        return detachmentResult;\n    };\n    /** Cleans up the overlay from the DOM. */\n    OverlayRef.prototype.dispose = function () {\n        var isAttached = this.hasAttached();\n        if (this._positionStrategy) {\n            this._positionStrategy.dispose();\n        }\n        this._disposeScrollStrategy();\n        this.detachBackdrop();\n        this._locationChanges.unsubscribe();\n        this._keyboardDispatcher.remove(this);\n        this._portalOutlet.dispose();\n        this._attachments.complete();\n        this._backdropClick.complete();\n        this._keydownEvents.complete();\n        if (this._host && this._host.parentNode) {\n            this._host.parentNode.removeChild(this._host);\n            this._host = null;\n        }\n        this._previousHostParent = this._pane = null;\n        if (isAttached) {\n            this._detachments.next();\n        }\n        this._detachments.complete();\n    };\n    /** Whether the overlay has attached content. */\n    OverlayRef.prototype.hasAttached = function () {\n        return this._portalOutlet.hasAttached();\n    };\n    /** Gets an observable that emits when the backdrop has been clicked. */\n    OverlayRef.prototype.backdropClick = function () {\n        return this._backdropClick.asObservable();\n    };\n    /** Gets an observable that emits when the overlay has been attached. */\n    OverlayRef.prototype.attachments = function () {\n        return this._attachments.asObservable();\n    };\n    /** Gets an observable that emits when the overlay has been detached. */\n    OverlayRef.prototype.detachments = function () {\n        return this._detachments.asObservable();\n    };\n    /** Gets an observable of keydown events targeted to this overlay. */\n    OverlayRef.prototype.keydownEvents = function () {\n        return this._keydownEventsObservable;\n    };\n    /** Gets the current overlay configuration, which is immutable. */\n    OverlayRef.prototype.getConfig = function () {\n        return this._config;\n    };\n    /** Updates the position of the overlay based on the position strategy. */\n    OverlayRef.prototype.updatePosition = function () {\n        if (this._positionStrategy) {\n            this._positionStrategy.apply();\n        }\n    };\n    /** Switches to a new position strategy and updates the overlay position. */\n    OverlayRef.prototype.updatePositionStrategy = function (strategy) {\n        if (strategy === this._positionStrategy) {\n            return;\n        }\n        if (this._positionStrategy) {\n            this._positionStrategy.dispose();\n        }\n        this._positionStrategy = strategy;\n        if (this.hasAttached()) {\n            strategy.attach(this);\n            this.updatePosition();\n        }\n    };\n    /** Update the size properties of the overlay. */\n    OverlayRef.prototype.updateSize = function (sizeConfig) {\n        this._config = __assign(__assign({}, this._config), sizeConfig);\n        this._updateElementSize();\n    };\n    /** Sets the LTR/RTL direction for the overlay. */\n    OverlayRef.prototype.setDirection = function (dir) {\n        this._config = __assign(__assign({}, this._config), { direction: dir });\n        this._updateElementDirection();\n    };\n    /** Add a CSS class or an array of classes to the overlay pane. */\n    OverlayRef.prototype.addPanelClass = function (classes) {\n        if (this._pane) {\n            this._toggleClasses(this._pane, classes, true);\n        }\n    };\n    /** Remove a CSS class or an array of classes from the overlay pane. */\n    OverlayRef.prototype.removePanelClass = function (classes) {\n        if (this._pane) {\n            this._toggleClasses(this._pane, classes, false);\n        }\n    };\n    /**\n     * Returns the layout direction of the overlay panel.\n     */\n    OverlayRef.prototype.getDirection = function () {\n        var direction = this._config.direction;\n        if (!direction) {\n            return 'ltr';\n        }\n        return typeof direction === 'string' ? direction : direction.value;\n    };\n    /** Switches to a new scroll strategy. */\n    OverlayRef.prototype.updateScrollStrategy = function (strategy) {\n        if (strategy === this._scrollStrategy) {\n            return;\n        }\n        this._disposeScrollStrategy();\n        this._scrollStrategy = strategy;\n        if (this.hasAttached()) {\n            strategy.attach(this);\n            strategy.enable();\n        }\n    };\n    /** Updates the text direction of the overlay panel. */\n    OverlayRef.prototype._updateElementDirection = function () {\n        this._host.setAttribute('dir', this.getDirection());\n    };\n    /** Updates the size of the overlay element based on the overlay config. */\n    OverlayRef.prototype._updateElementSize = function () {\n        if (!this._pane) {\n            return;\n        }\n        var style = this._pane.style;\n        style.width = coerceCssPixelValue(this._config.width);\n        style.height = coerceCssPixelValue(this._config.height);\n        style.minWidth = coerceCssPixelValue(this._config.minWidth);\n        style.minHeight = coerceCssPixelValue(this._config.minHeight);\n        style.maxWidth = coerceCssPixelValue(this._config.maxWidth);\n        style.maxHeight = coerceCssPixelValue(this._config.maxHeight);\n    };\n    /** Toggles the pointer events for the overlay pane element. */\n    OverlayRef.prototype._togglePointerEvents = function (enablePointer) {\n        this._pane.style.pointerEvents = enablePointer ? 'auto' : 'none';\n    };\n    /** Attaches a backdrop for this overlay. */\n    OverlayRef.prototype._attachBackdrop = function () {\n        var _this = this;\n        var showingClass = 'cdk-overlay-backdrop-showing';\n        this._backdropElement = this._document.createElement('div');\n        this._backdropElement.classList.add('cdk-overlay-backdrop');\n        if (this._config.backdropClass) {\n            this._toggleClasses(this._backdropElement, this._config.backdropClass, true);\n        }\n        // Insert the backdrop before the pane in the DOM order,\n        // in order to handle stacked overlays properly.\n        this._host.parentElement.insertBefore(this._backdropElement, this._host);\n        // Forward backdrop clicks such that the consumer of the overlay can perform whatever\n        // action desired when such a click occurs (usually closing the overlay).\n        this._backdropElement.addEventListener('click', this._backdropClickHandler);\n        // Add class to fade-in the backdrop after one frame.\n        if (typeof requestAnimationFrame !== 'undefined') {\n            this._ngZone.runOutsideAngular(function () {\n                requestAnimationFrame(function () {\n                    if (_this._backdropElement) {\n                        _this._backdropElement.classList.add(showingClass);\n                    }\n                });\n            });\n        }\n        else {\n            this._backdropElement.classList.add(showingClass);\n        }\n    };\n    /**\n     * Updates the stacking order of the element, moving it to the top if necessary.\n     * This is required in cases where one overlay was detached, while another one,\n     * that should be behind it, was destroyed. The next time both of them are opened,\n     * the stacking will be wrong, because the detached element's pane will still be\n     * in its original DOM position.\n     */\n    OverlayRef.prototype._updateStackingOrder = function () {\n        if (this._host.nextSibling) {\n            this._host.parentNode.appendChild(this._host);\n        }\n    };\n    /** Detaches the backdrop (if any) associated with the overlay. */\n    OverlayRef.prototype.detachBackdrop = function () {\n        var _this = this;\n        var backdropToDetach = this._backdropElement;\n        if (!backdropToDetach) {\n            return;\n        }\n        var timeoutId;\n        var finishDetach = function () {\n            // It may not be attached to anything in certain cases (e.g. unit tests).\n            if (backdropToDetach) {\n                backdropToDetach.removeEventListener('click', _this._backdropClickHandler);\n                backdropToDetach.removeEventListener('transitionend', finishDetach);\n                if (backdropToDetach.parentNode) {\n                    backdropToDetach.parentNode.removeChild(backdropToDetach);\n                }\n            }\n            // It is possible that a new portal has been attached to this overlay since we started\n            // removing the backdrop. If that is the case, only clear the backdrop reference if it\n            // is still the same instance that we started to remove.\n            if (_this._backdropElement == backdropToDetach) {\n                _this._backdropElement = null;\n            }\n            if (_this._config.backdropClass) {\n                _this._toggleClasses(backdropToDetach, _this._config.backdropClass, false);\n            }\n            clearTimeout(timeoutId);\n        };\n        backdropToDetach.classList.remove('cdk-overlay-backdrop-showing');\n        this._ngZone.runOutsideAngular(function () {\n            backdropToDetach.addEventListener('transitionend', finishDetach);\n        });\n        // If the backdrop doesn't have a transition, the `transitionend` event won't fire.\n        // In this case we make it unclickable and we try to remove it after a delay.\n        backdropToDetach.style.pointerEvents = 'none';\n        // Run this outside the Angular zone because there's nothing that Angular cares about.\n        // If it were to run inside the Angular zone, every test that used Overlay would have to be\n        // either async or fakeAsync.\n        timeoutId = this._ngZone.runOutsideAngular(function () { return setTimeout(finishDetach, 500); });\n    };\n    /** Toggles a single CSS class or an array of classes on an element. */\n    OverlayRef.prototype._toggleClasses = function (element, cssClasses, isAdd) {\n        var classList = element.classList;\n        coerceArray(cssClasses).forEach(function (cssClass) {\n            // We can't do a spread here, because IE doesn't support setting multiple classes.\n            // Also trying to add an empty string to a DOMTokenList will throw.\n            if (cssClass) {\n                isAdd ? classList.add(cssClass) : classList.remove(cssClass);\n            }\n        });\n    };\n    /** Detaches the overlay content next time the zone stabilizes. */\n    OverlayRef.prototype._detachContentWhenStable = function () {\n        var _this = this;\n        // Normally we wouldn't have to explicitly run this outside the `NgZone`, however\n        // if the consumer is using `zone-patch-rxjs`, the `Subscription.unsubscribe` call will\n        // be patched to run inside the zone, which will throw us into an infinite loop.\n        this._ngZone.runOutsideAngular(function () {\n            // We can't remove the host here immediately, because the overlay pane's content\n            // might still be animating. This stream helps us avoid interrupting the animation\n            // by waiting for the pane to become empty.\n            var subscription = _this._ngZone.onStable\n                .asObservable()\n                .pipe(takeUntil(merge(_this._attachments, _this._detachments)))\n                .subscribe(function () {\n                // Needs a couple of checks for the pane and host, because\n                // they may have been removed by the time the zone stabilizes.\n                if (!_this._pane || !_this._host || _this._pane.children.length === 0) {\n                    if (_this._pane && _this._config.panelClass) {\n                        _this._toggleClasses(_this._pane, _this._config.panelClass, false);\n                    }\n                    if (_this._host && _this._host.parentElement) {\n                        _this._previousHostParent = _this._host.parentElement;\n                        _this._previousHostParent.removeChild(_this._host);\n                    }\n                    subscription.unsubscribe();\n                }\n            });\n        });\n    };\n    /** Disposes of a scroll strategy. */\n    OverlayRef.prototype._disposeScrollStrategy = function () {\n        var scrollStrategy = this._scrollStrategy;\n        if (scrollStrategy) {\n            scrollStrategy.disable();\n            if (scrollStrategy.detach) {\n                scrollStrategy.detach();\n            }\n        }\n    };\n    return OverlayRef;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// TODO: refactor clipping detection into a separate thing (part of scrolling module)\n// TODO: doesn't handle both flexible width and height when it has to scroll along both axis.\n/** Class to be added to the overlay bounding box. */\nvar boundingBoxClass = 'cdk-overlay-connected-position-bounding-box';\n/**\n * A strategy for positioning overlays. Using this strategy, an overlay is given an\n * implicit position relative some origin element. The relative position is defined in terms of\n * a point on the origin element that is connected to a point on the overlay element. For example,\n * a basic dropdown is connecting the bottom-left corner of the origin to the top-left corner\n * of the overlay.\n */\nvar FlexibleConnectedPositionStrategy = /** @class */ (function () {\n    function FlexibleConnectedPositionStrategy(connectedTo, _viewportRuler, _document, _platform, _overlayContainer) {\n        this._viewportRuler = _viewportRuler;\n        this._document = _document;\n        this._platform = _platform;\n        this._overlayContainer = _overlayContainer;\n        /** Last size used for the bounding box. Used to avoid resizing the overlay after open. */\n        this._lastBoundingBoxSize = { width: 0, height: 0 };\n        /** Whether the overlay was pushed in a previous positioning. */\n        this._isPushed = false;\n        /** Whether the overlay can be pushed on-screen on the initial open. */\n        this._canPush = true;\n        /** Whether the overlay can grow via flexible width/height after the initial open. */\n        this._growAfterOpen = false;\n        /** Whether the overlay's width and height can be constrained to fit within the viewport. */\n        this._hasFlexibleDimensions = true;\n        /** Whether the overlay position is locked. */\n        this._positionLocked = false;\n        /** Amount of space that must be maintained between the overlay and the edge of the viewport. */\n        this._viewportMargin = 0;\n        /** The Scrollable containers used to check scrollable view properties on position change. */\n        this._scrollables = [];\n        /** Ordered list of preferred positions, from most to least desirable. */\n        this._preferredPositions = [];\n        /** Subject that emits whenever the position changes. */\n        this._positionChanges = new Subject();\n        /** Subscription to viewport size changes. */\n        this._resizeSubscription = Subscription.EMPTY;\n        /** Default offset for the overlay along the x axis. */\n        this._offsetX = 0;\n        /** Default offset for the overlay along the y axis. */\n        this._offsetY = 0;\n        /** Keeps track of the CSS classes that the position strategy has applied on the overlay panel. */\n        this._appliedPanelClasses = [];\n        /** Observable sequence of position changes. */\n        this.positionChanges = this._positionChanges.asObservable();\n        this.setOrigin(connectedTo);\n    }\n    Object.defineProperty(FlexibleConnectedPositionStrategy.prototype, \"positions\", {\n        /** Ordered list of preferred positions, from most to least desirable. */\n        get: function () {\n            return this._preferredPositions;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** Attaches this position strategy to an overlay. */\n    FlexibleConnectedPositionStrategy.prototype.attach = function (overlayRef) {\n        var _this = this;\n        if (this._overlayRef && overlayRef !== this._overlayRef) {\n            throw Error('This position strategy is already attached to an overlay');\n        }\n        this._validatePositions();\n        overlayRef.hostElement.classList.add(boundingBoxClass);\n        this._overlayRef = overlayRef;\n        this._boundingBox = overlayRef.hostElement;\n        this._pane = overlayRef.overlayElement;\n        this._isDisposed = false;\n        this._isInitialRender = true;\n        this._lastPosition = null;\n        this._resizeSubscription.unsubscribe();\n        this._resizeSubscription = this._viewportRuler.change().subscribe(function () {\n            // When the window is resized, we want to trigger the next reposition as if it\n            // was an initial render, in order for the strategy to pick a new optimal position,\n            // otherwise position locking will cause it to stay at the old one.\n            _this._isInitialRender = true;\n            _this.apply();\n        });\n    };\n    /**\n     * Updates the position of the overlay element, using whichever preferred position relative\n     * to the origin best fits on-screen.\n     *\n     * The selection of a position goes as follows:\n     *  - If any positions fit completely within the viewport as-is,\n     *      choose the first position that does so.\n     *  - If flexible dimensions are enabled and at least one satifies the given minimum width/height,\n     *      choose the position with the greatest available size modified by the positions' weight.\n     *  - If pushing is enabled, take the position that went off-screen the least and push it\n     *      on-screen.\n     *  - If none of the previous criteria were met, use the position that goes off-screen the least.\n     * @docs-private\n     */\n    FlexibleConnectedPositionStrategy.prototype.apply = function () {\n        var e_1, _a, e_2, _b;\n        // We shouldn't do anything if the strategy was disposed or we're on the server.\n        if (this._isDisposed || !this._platform.isBrowser) {\n            return;\n        }\n        // If the position has been applied already (e.g. when the overlay was opened) and the\n        // consumer opted into locking in the position, re-use the old position, in order to\n        // prevent the overlay from jumping around.\n        if (!this._isInitialRender && this._positionLocked && this._lastPosition) {\n            this.reapplyLastPosition();\n            return;\n        }\n        this._clearPanelClasses();\n        this._resetOverlayElementStyles();\n        this._resetBoundingBoxStyles();\n        // We need the bounding rects for the origin and the overlay to determine how to position\n        // the overlay relative to the origin.\n        // We use the viewport rect to determine whether a position would go off-screen.\n        this._viewportRect = this._getNarrowedViewportRect();\n        this._originRect = this._getOriginRect();\n        this._overlayRect = this._pane.getBoundingClientRect();\n        var originRect = this._originRect;\n        var overlayRect = this._overlayRect;\n        var viewportRect = this._viewportRect;\n        // Positions where the overlay will fit with flexible dimensions.\n        var flexibleFits = [];\n        // Fallback if none of the preferred positions fit within the viewport.\n        var fallback;\n        try {\n            // Go through each of the preferred positions looking for a good fit.\n            // If a good fit is found, it will be applied immediately.\n            for (var _c = __values(this._preferredPositions), _d = _c.next(); !_d.done; _d = _c.next()) {\n                var pos = _d.value;\n                // Get the exact (x, y) coordinate for the point-of-origin on the origin element.\n                var originPoint = this._getOriginPoint(originRect, pos);\n                // From that point-of-origin, get the exact (x, y) coordinate for the top-left corner of the\n                // overlay in this position. We use the top-left corner for calculations and later translate\n                // this into an appropriate (top, left, bottom, right) style.\n                var overlayPoint = this._getOverlayPoint(originPoint, overlayRect, pos);\n                // Calculate how well the overlay would fit into the viewport with this point.\n                var overlayFit = this._getOverlayFit(overlayPoint, overlayRect, viewportRect, pos);\n                // If the overlay, without any further work, fits into the viewport, use this position.\n                if (overlayFit.isCompletelyWithinViewport) {\n                    this._isPushed = false;\n                    this._applyPosition(pos, originPoint);\n                    return;\n                }\n                // If the overlay has flexible dimensions, we can use this position\n                // so long as there's enough space for the minimum dimensions.\n                if (this._canFitWithFlexibleDimensions(overlayFit, overlayPoint, viewportRect)) {\n                    // Save positions where the overlay will fit with flexible dimensions. We will use these\n                    // if none of the positions fit *without* flexible dimensions.\n                    flexibleFits.push({\n                        position: pos,\n                        origin: originPoint,\n                        overlayRect: overlayRect,\n                        boundingBoxRect: this._calculateBoundingBoxRect(originPoint, pos)\n                    });\n                    continue;\n                }\n                // If the current preferred position does not fit on the screen, remember the position\n                // if it has more visible area on-screen than we've seen and move onto the next preferred\n                // position.\n                if (!fallback || fallback.overlayFit.visibleArea < overlayFit.visibleArea) {\n                    fallback = { overlayFit: overlayFit, overlayPoint: overlayPoint, originPoint: originPoint, position: pos, overlayRect: overlayRect };\n                }\n            }\n        }\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\n        finally {\n            try {\n                if (_d && !_d.done && (_a = _c.return)) _a.call(_c);\n            }\n            finally { if (e_1) throw e_1.error; }\n        }\n        // If there are any positions where the overlay would fit with flexible dimensions, choose the\n        // one that has the greatest area available modified by the position's weight\n        if (flexibleFits.length) {\n            var bestFit = null;\n            var bestScore = -1;\n            try {\n                for (var flexibleFits_1 = __values(flexibleFits), flexibleFits_1_1 = flexibleFits_1.next(); !flexibleFits_1_1.done; flexibleFits_1_1 = flexibleFits_1.next()) {\n                    var fit = flexibleFits_1_1.value;\n                    var score = fit.boundingBoxRect.width * fit.boundingBoxRect.height * (fit.position.weight || 1);\n                    if (score > bestScore) {\n                        bestScore = score;\n                        bestFit = fit;\n                    }\n                }\n            }\n            catch (e_2_1) { e_2 = { error: e_2_1 }; }\n            finally {\n                try {\n                    if (flexibleFits_1_1 && !flexibleFits_1_1.done && (_b = flexibleFits_1.return)) _b.call(flexibleFits_1);\n                }\n                finally { if (e_2) throw e_2.error; }\n            }\n            this._isPushed = false;\n            this._applyPosition(bestFit.position, bestFit.origin);\n            return;\n        }\n        // When none of the preferred positions fit within the viewport, take the position\n        // that went off-screen the least and attempt to push it on-screen.\n        if (this._canPush) {\n            // TODO(jelbourn): after pushing, the opening \"direction\" of the overlay might not make sense.\n            this._isPushed = true;\n            this._applyPosition(fallback.position, fallback.originPoint);\n            return;\n        }\n        // All options for getting the overlay within the viewport have been exhausted, so go with the\n        // position that went off-screen the least.\n        this._applyPosition(fallback.position, fallback.originPoint);\n    };\n    FlexibleConnectedPositionStrategy.prototype.detach = function () {\n        this._clearPanelClasses();\n        this._lastPosition = null;\n        this._previousPushAmount = null;\n        this._resizeSubscription.unsubscribe();\n    };\n    /** Cleanup after the element gets destroyed. */\n    FlexibleConnectedPositionStrategy.prototype.dispose = function () {\n        if (this._isDisposed) {\n            return;\n        }\n        // We can't use `_resetBoundingBoxStyles` here, because it resets\n        // some properties to zero, rather than removing them.\n        if (this._boundingBox) {\n            extendStyles(this._boundingBox.style, {\n                top: '',\n                left: '',\n                right: '',\n                bottom: '',\n                height: '',\n                width: '',\n                alignItems: '',\n                justifyContent: '',\n            });\n        }\n        if (this._pane) {\n            this._resetOverlayElementStyles();\n        }\n        if (this._overlayRef) {\n            this._overlayRef.hostElement.classList.remove(boundingBoxClass);\n        }\n        this.detach();\n        this._positionChanges.complete();\n        this._overlayRef = this._boundingBox = null;\n        this._isDisposed = true;\n    };\n    /**\n     * This re-aligns the overlay element with the trigger in its last calculated position,\n     * even if a position higher in the \"preferred positions\" list would now fit. This\n     * allows one to re-align the panel without changing the orientation of the panel.\n     */\n    FlexibleConnectedPositionStrategy.prototype.reapplyLastPosition = function () {\n        if (!this._isDisposed && (!this._platform || this._platform.isBrowser)) {\n            this._originRect = this._getOriginRect();\n            this._overlayRect = this._pane.getBoundingClientRect();\n            this._viewportRect = this._getNarrowedViewportRect();\n            var lastPosition = this._lastPosition || this._preferredPositions[0];\n            var originPoint = this._getOriginPoint(this._originRect, lastPosition);\n            this._applyPosition(lastPosition, originPoint);\n        }\n    };\n    /**\n     * Sets the list of Scrollable containers that host the origin element so that\n     * on reposition we can evaluate if it or the overlay has been clipped or outside view. Every\n     * Scrollable must be an ancestor element of the strategy's origin element.\n     */\n    FlexibleConnectedPositionStrategy.prototype.withScrollableContainers = function (scrollables) {\n        this._scrollables = scrollables;\n        return this;\n    };\n    /**\n     * Adds new preferred positions.\n     * @param positions List of positions options for this overlay.\n     */\n    FlexibleConnectedPositionStrategy.prototype.withPositions = function (positions) {\n        this._preferredPositions = positions;\n        // If the last calculated position object isn't part of the positions anymore, clear\n        // it in order to avoid it being picked up if the consumer tries to re-apply.\n        if (positions.indexOf(this._lastPosition) === -1) {\n            this._lastPosition = null;\n        }\n        this._validatePositions();\n        return this;\n    };\n    /**\n     * Sets a minimum distance the overlay may be positioned to the edge of the viewport.\n     * @param margin Required margin between the overlay and the viewport edge in pixels.\n     */\n    FlexibleConnectedPositionStrategy.prototype.withViewportMargin = function (margin) {\n        this._viewportMargin = margin;\n        return this;\n    };\n    /** Sets whether the overlay's width and height can be constrained to fit within the viewport. */\n    FlexibleConnectedPositionStrategy.prototype.withFlexibleDimensions = function (flexibleDimensions) {\n        if (flexibleDimensions === void 0) { flexibleDimensions = true; }\n        this._hasFlexibleDimensions = flexibleDimensions;\n        return this;\n    };\n    /** Sets whether the overlay can grow after the initial open via flexible width/height. */\n    FlexibleConnectedPositionStrategy.prototype.withGrowAfterOpen = function (growAfterOpen) {\n        if (growAfterOpen === void 0) { growAfterOpen = true; }\n        this._growAfterOpen = growAfterOpen;\n        return this;\n    };\n    /** Sets whether the overlay can be pushed on-screen if none of the provided positions fit. */\n    FlexibleConnectedPositionStrategy.prototype.withPush = function (canPush) {\n        if (canPush === void 0) { canPush = true; }\n        this._canPush = canPush;\n        return this;\n    };\n    /**\n     * Sets whether the overlay's position should be locked in after it is positioned\n     * initially. When an overlay is locked in, it won't attempt to reposition itself\n     * when the position is re-applied (e.g. when the user scrolls away).\n     * @param isLocked Whether the overlay should locked in.\n     */\n    FlexibleConnectedPositionStrategy.prototype.withLockedPosition = function (isLocked) {\n        if (isLocked === void 0) { isLocked = true; }\n        this._positionLocked = isLocked;\n        return this;\n    };\n    /**\n     * Sets the origin, relative to which to position the overlay.\n     * Using an element origin is useful for building components that need to be positioned\n     * relatively to a trigger (e.g. dropdown menus or tooltips), whereas using a point can be\n     * used for cases like contextual menus which open relative to the user's pointer.\n     * @param origin Reference to the new origin.\n     */\n    FlexibleConnectedPositionStrategy.prototype.setOrigin = function (origin) {\n        this._origin = origin;\n        return this;\n    };\n    /**\n     * Sets the default offset for the overlay's connection point on the x-axis.\n     * @param offset New offset in the X axis.\n     */\n    FlexibleConnectedPositionStrategy.prototype.withDefaultOffsetX = function (offset) {\n        this._offsetX = offset;\n        return this;\n    };\n    /**\n     * Sets the default offset for the overlay's connection point on the y-axis.\n     * @param offset New offset in the Y axis.\n     */\n    FlexibleConnectedPositionStrategy.prototype.withDefaultOffsetY = function (offset) {\n        this._offsetY = offset;\n        return this;\n    };\n    /**\n     * Configures that the position strategy should set a `transform-origin` on some elements\n     * inside the overlay, depending on the current position that is being applied. This is\n     * useful for the cases where the origin of an animation can change depending on the\n     * alignment of the overlay.\n     * @param selector CSS selector that will be used to find the target\n     *    elements onto which to set the transform origin.\n     */\n    FlexibleConnectedPositionStrategy.prototype.withTransformOriginOn = function (selector) {\n        this._transformOriginSelector = selector;\n        return this;\n    };\n    /**\n     * Gets the (x, y) coordinate of a connection point on the origin based on a relative position.\n     */\n    FlexibleConnectedPositionStrategy.prototype._getOriginPoint = function (originRect, pos) {\n        var x;\n        if (pos.originX == 'center') {\n            // Note: when centering we should always use the `left`\n            // offset, otherwise the position will be wrong in RTL.\n            x = originRect.left + (originRect.width / 2);\n        }\n        else {\n            var startX = this._isRtl() ? originRect.right : originRect.left;\n            var endX = this._isRtl() ? originRect.left : originRect.right;\n            x = pos.originX == 'start' ? startX : endX;\n        }\n        var y;\n        if (pos.originY == 'center') {\n            y = originRect.top + (originRect.height / 2);\n        }\n        else {\n            y = pos.originY == 'top' ? originRect.top : originRect.bottom;\n        }\n        return { x: x, y: y };\n    };\n    /**\n     * Gets the (x, y) coordinate of the top-left corner of the overlay given a given position and\n     * origin point to which the overlay should be connected.\n     */\n    FlexibleConnectedPositionStrategy.prototype._getOverlayPoint = function (originPoint, overlayRect, pos) {\n        // Calculate the (overlayStartX, overlayStartY), the start of the\n        // potential overlay position relative to the origin point.\n        var overlayStartX;\n        if (pos.overlayX == 'center') {\n            overlayStartX = -overlayRect.width / 2;\n        }\n        else if (pos.overlayX === 'start') {\n            overlayStartX = this._isRtl() ? -overlayRect.width : 0;\n        }\n        else {\n            overlayStartX = this._isRtl() ? 0 : -overlayRect.width;\n        }\n        var overlayStartY;\n        if (pos.overlayY == 'center') {\n            overlayStartY = -overlayRect.height / 2;\n        }\n        else {\n            overlayStartY = pos.overlayY == 'top' ? 0 : -overlayRect.height;\n        }\n        // The (x, y) coordinates of the overlay.\n        return {\n            x: originPoint.x + overlayStartX,\n            y: originPoint.y + overlayStartY,\n        };\n    };\n    /** Gets how well an overlay at the given point will fit within the viewport. */\n    FlexibleConnectedPositionStrategy.prototype._getOverlayFit = function (point, overlay, viewport, position) {\n        var x = point.x, y = point.y;\n        var offsetX = this._getOffset(position, 'x');\n        var offsetY = this._getOffset(position, 'y');\n        // Account for the offsets since they could push the overlay out of the viewport.\n        if (offsetX) {\n            x += offsetX;\n        }\n        if (offsetY) {\n            y += offsetY;\n        }\n        // How much the overlay would overflow at this position, on each side.\n        var leftOverflow = 0 - x;\n        var rightOverflow = (x + overlay.width) - viewport.width;\n        var topOverflow = 0 - y;\n        var bottomOverflow = (y + overlay.height) - viewport.height;\n        // Visible parts of the element on each axis.\n        var visibleWidth = this._subtractOverflows(overlay.width, leftOverflow, rightOverflow);\n        var visibleHeight = this._subtractOverflows(overlay.height, topOverflow, bottomOverflow);\n        var visibleArea = visibleWidth * visibleHeight;\n        return {\n            visibleArea: visibleArea,\n            isCompletelyWithinViewport: (overlay.width * overlay.height) === visibleArea,\n            fitsInViewportVertically: visibleHeight === overlay.height,\n            fitsInViewportHorizontally: visibleWidth == overlay.width,\n        };\n    };\n    /**\n     * Whether the overlay can fit within the viewport when it may resize either its width or height.\n     * @param fit How well the overlay fits in the viewport at some position.\n     * @param point The (x, y) coordinates of the overlat at some position.\n     * @param viewport The geometry of the viewport.\n     */\n    FlexibleConnectedPositionStrategy.prototype._canFitWithFlexibleDimensions = function (fit, point, viewport) {\n        if (this._hasFlexibleDimensions) {\n            var availableHeight = viewport.bottom - point.y;\n            var availableWidth = viewport.right - point.x;\n            var minHeight = this._overlayRef.getConfig().minHeight;\n            var minWidth = this._overlayRef.getConfig().minWidth;\n            var verticalFit = fit.fitsInViewportVertically ||\n                (minHeight != null && minHeight <= availableHeight);\n            var horizontalFit = fit.fitsInViewportHorizontally ||\n                (minWidth != null && minWidth <= availableWidth);\n            return verticalFit && horizontalFit;\n        }\n        return false;\n    };\n    /**\n     * Gets the point at which the overlay can be \"pushed\" on-screen. If the overlay is larger than\n     * the viewport, the top-left corner will be pushed on-screen (with overflow occuring on the\n     * right and bottom).\n     *\n     * @param start Starting point from which the overlay is pushed.\n     * @param overlay Dimensions of the overlay.\n     * @param scrollPosition Current viewport scroll position.\n     * @returns The point at which to position the overlay after pushing. This is effectively a new\n     *     originPoint.\n     */\n    FlexibleConnectedPositionStrategy.prototype._pushOverlayOnScreen = function (start, overlay, scrollPosition) {\n        // If the position is locked and we've pushed the overlay already, reuse the previous push\n        // amount, rather than pushing it again. If we were to continue pushing, the element would\n        // remain in the viewport, which goes against the expectations when position locking is enabled.\n        if (this._previousPushAmount && this._positionLocked) {\n            return {\n                x: start.x + this._previousPushAmount.x,\n                y: start.y + this._previousPushAmount.y\n            };\n        }\n        var viewport = this._viewportRect;\n        // Determine how much the overlay goes outside the viewport on each\n        // side, which we'll use to decide which direction to push it.\n        var overflowRight = Math.max(start.x + overlay.width - viewport.right, 0);\n        var overflowBottom = Math.max(start.y + overlay.height - viewport.bottom, 0);\n        var overflowTop = Math.max(viewport.top - scrollPosition.top - start.y, 0);\n        var overflowLeft = Math.max(viewport.left - scrollPosition.left - start.x, 0);\n        // Amount by which to push the overlay in each axis such that it remains on-screen.\n        var pushX = 0;\n        var pushY = 0;\n        // If the overlay fits completely within the bounds of the viewport, push it from whichever\n        // direction is goes off-screen. Otherwise, push the top-left corner such that its in the\n        // viewport and allow for the trailing end of the overlay to go out of bounds.\n        if (overlay.width <= viewport.width) {\n            pushX = overflowLeft || -overflowRight;\n        }\n        else {\n            pushX = start.x < this._viewportMargin ? (viewport.left - scrollPosition.left) - start.x : 0;\n        }\n        if (overlay.height <= viewport.height) {\n            pushY = overflowTop || -overflowBottom;\n        }\n        else {\n            pushY = start.y < this._viewportMargin ? (viewport.top - scrollPosition.top) - start.y : 0;\n        }\n        this._previousPushAmount = { x: pushX, y: pushY };\n        return {\n            x: start.x + pushX,\n            y: start.y + pushY,\n        };\n    };\n    /**\n     * Applies a computed position to the overlay and emits a position change.\n     * @param position The position preference\n     * @param originPoint The point on the origin element where the overlay is connected.\n     */\n    FlexibleConnectedPositionStrategy.prototype._applyPosition = function (position, originPoint) {\n        this._setTransformOrigin(position);\n        this._setOverlayElementStyles(originPoint, position);\n        this._setBoundingBoxStyles(originPoint, position);\n        if (position.panelClass) {\n            this._addPanelClasses(position.panelClass);\n        }\n        // Save the last connected position in case the position needs to be re-calculated.\n        this._lastPosition = position;\n        // Notify that the position has been changed along with its change properties.\n        // We only emit if we've got any subscriptions, because the scroll visibility\n        // calculcations can be somewhat expensive.\n        if (this._positionChanges.observers.length) {\n            var scrollableViewProperties = this._getScrollVisibility();\n            var changeEvent = new ConnectedOverlayPositionChange(position, scrollableViewProperties);\n            this._positionChanges.next(changeEvent);\n        }\n        this._isInitialRender = false;\n    };\n    /** Sets the transform origin based on the configured selector and the passed-in position.  */\n    FlexibleConnectedPositionStrategy.prototype._setTransformOrigin = function (position) {\n        if (!this._transformOriginSelector) {\n            return;\n        }\n        var elements = this._boundingBox.querySelectorAll(this._transformOriginSelector);\n        var xOrigin;\n        var yOrigin = position.overlayY;\n        if (position.overlayX === 'center') {\n            xOrigin = 'center';\n        }\n        else if (this._isRtl()) {\n            xOrigin = position.overlayX === 'start' ? 'right' : 'left';\n        }\n        else {\n            xOrigin = position.overlayX === 'start' ? 'left' : 'right';\n        }\n        for (var i = 0; i < elements.length; i++) {\n            elements[i].style.transformOrigin = xOrigin + \" \" + yOrigin;\n        }\n    };\n    /**\n     * Gets the position and size of the overlay's sizing container.\n     *\n     * This method does no measuring and applies no styles so that we can cheaply compute the\n     * bounds for all positions and choose the best fit based on these results.\n     */\n    FlexibleConnectedPositionStrategy.prototype._calculateBoundingBoxRect = function (origin, position) {\n        var viewport = this._viewportRect;\n        var isRtl = this._isRtl();\n        var height, top, bottom;\n        if (position.overlayY === 'top') {\n            // Overlay is opening \"downward\" and thus is bound by the bottom viewport edge.\n            top = origin.y;\n            height = viewport.height - top + this._viewportMargin;\n        }\n        else if (position.overlayY === 'bottom') {\n            // Overlay is opening \"upward\" and thus is bound by the top viewport edge. We need to add\n            // the viewport margin back in, because the viewport rect is narrowed down to remove the\n            // margin, whereas the `origin` position is calculated based on its `ClientRect`.\n            bottom = viewport.height - origin.y + this._viewportMargin * 2;\n            height = viewport.height - bottom + this._viewportMargin;\n        }\n        else {\n            // If neither top nor bottom, it means that the overlay is vertically centered on the\n            // origin point. Note that we want the position relative to the viewport, rather than\n            // the page, which is why we don't use something like `viewport.bottom - origin.y` and\n            // `origin.y - viewport.top`.\n            var smallestDistanceToViewportEdge = Math.min(viewport.bottom - origin.y + viewport.top, origin.y);\n            var previousHeight = this._lastBoundingBoxSize.height;\n            height = smallestDistanceToViewportEdge * 2;\n            top = origin.y - smallestDistanceToViewportEdge;\n            if (height > previousHeight && !this._isInitialRender && !this._growAfterOpen) {\n                top = origin.y - (previousHeight / 2);\n            }\n        }\n        // The overlay is opening 'right-ward' (the content flows to the right).\n        var isBoundedByRightViewportEdge = (position.overlayX === 'start' && !isRtl) ||\n            (position.overlayX === 'end' && isRtl);\n        // The overlay is opening 'left-ward' (the content flows to the left).\n        var isBoundedByLeftViewportEdge = (position.overlayX === 'end' && !isRtl) ||\n            (position.overlayX === 'start' && isRtl);\n        var width, left, right;\n        if (isBoundedByLeftViewportEdge) {\n            right = viewport.width - origin.x + this._viewportMargin;\n            width = origin.x - this._viewportMargin;\n        }\n        else if (isBoundedByRightViewportEdge) {\n            left = origin.x;\n            width = viewport.right - origin.x;\n        }\n        else {\n            // If neither start nor end, it means that the overlay is horizontally centered on the\n            // origin point. Note that we want the position relative to the viewport, rather than\n            // the page, which is why we don't use something like `viewport.right - origin.x` and\n            // `origin.x - viewport.left`.\n            var smallestDistanceToViewportEdge = Math.min(viewport.right - origin.x + viewport.left, origin.x);\n            var previousWidth = this._lastBoundingBoxSize.width;\n            width = smallestDistanceToViewportEdge * 2;\n            left = origin.x - smallestDistanceToViewportEdge;\n            if (width > previousWidth && !this._isInitialRender && !this._growAfterOpen) {\n                left = origin.x - (previousWidth / 2);\n            }\n        }\n        return { top: top, left: left, bottom: bottom, right: right, width: width, height: height };\n    };\n    /**\n     * Sets the position and size of the overlay's sizing wrapper. The wrapper is positioned on the\n     * origin's connection point and stetches to the bounds of the viewport.\n     *\n     * @param origin The point on the origin element where the overlay is connected.\n     * @param position The position preference\n     */\n    FlexibleConnectedPositionStrategy.prototype._setBoundingBoxStyles = function (origin, position) {\n        var boundingBoxRect = this._calculateBoundingBoxRect(origin, position);\n        // It's weird if the overlay *grows* while scrolling, so we take the last size into account\n        // when applying a new size.\n        if (!this._isInitialRender && !this._growAfterOpen) {\n            boundingBoxRect.height = Math.min(boundingBoxRect.height, this._lastBoundingBoxSize.height);\n            boundingBoxRect.width = Math.min(boundingBoxRect.width, this._lastBoundingBoxSize.width);\n        }\n        var styles = {};\n        if (this._hasExactPosition()) {\n            styles.top = styles.left = '0';\n            styles.bottom = styles.right = styles.maxHeight = styles.maxWidth = '';\n            styles.width = styles.height = '100%';\n        }\n        else {\n            var maxHeight = this._overlayRef.getConfig().maxHeight;\n            var maxWidth = this._overlayRef.getConfig().maxWidth;\n            styles.height = coerceCssPixelValue(boundingBoxRect.height);\n            styles.top = coerceCssPixelValue(boundingBoxRect.top);\n            styles.bottom = coerceCssPixelValue(boundingBoxRect.bottom);\n            styles.width = coerceCssPixelValue(boundingBoxRect.width);\n            styles.left = coerceCssPixelValue(boundingBoxRect.left);\n            styles.right = coerceCssPixelValue(boundingBoxRect.right);\n            // Push the pane content towards the proper direction.\n            if (position.overlayX === 'center') {\n                styles.alignItems = 'center';\n            }\n            else {\n                styles.alignItems = position.overlayX === 'end' ? 'flex-end' : 'flex-start';\n            }\n            if (position.overlayY === 'center') {\n                styles.justifyContent = 'center';\n            }\n            else {\n                styles.justifyContent = position.overlayY === 'bottom' ? 'flex-end' : 'flex-start';\n            }\n            if (maxHeight) {\n                styles.maxHeight = coerceCssPixelValue(maxHeight);\n            }\n            if (maxWidth) {\n                styles.maxWidth = coerceCssPixelValue(maxWidth);\n            }\n        }\n        this._lastBoundingBoxSize = boundingBoxRect;\n        extendStyles(this._boundingBox.style, styles);\n    };\n    /** Resets the styles for the bounding box so that a new positioning can be computed. */\n    FlexibleConnectedPositionStrategy.prototype._resetBoundingBoxStyles = function () {\n        extendStyles(this._boundingBox.style, {\n            top: '0',\n            left: '0',\n            right: '0',\n            bottom: '0',\n            height: '',\n            width: '',\n            alignItems: '',\n            justifyContent: '',\n        });\n    };\n    /** Resets the styles for the overlay pane so that a new positioning can be computed. */\n    FlexibleConnectedPositionStrategy.prototype._resetOverlayElementStyles = function () {\n        extendStyles(this._pane.style, {\n            top: '',\n            left: '',\n            bottom: '',\n            right: '',\n            position: '',\n            transform: '',\n        });\n    };\n    /** Sets positioning styles to the overlay element. */\n    FlexibleConnectedPositionStrategy.prototype._setOverlayElementStyles = function (originPoint, position) {\n        var styles = {};\n        var hasExactPosition = this._hasExactPosition();\n        var hasFlexibleDimensions = this._hasFlexibleDimensions;\n        var config = this._overlayRef.getConfig();\n        if (hasExactPosition) {\n            var scrollPosition = this._viewportRuler.getViewportScrollPosition();\n            extendStyles(styles, this._getExactOverlayY(position, originPoint, scrollPosition));\n            extendStyles(styles, this._getExactOverlayX(position, originPoint, scrollPosition));\n        }\n        else {\n            styles.position = 'static';\n        }\n        // Use a transform to apply the offsets. We do this because the `center` positions rely on\n        // being in the normal flex flow and setting a `top` / `left` at all will completely throw\n        // off the position. We also can't use margins, because they won't have an effect in some\n        // cases where the element doesn't have anything to \"push off of\". Finally, this works\n        // better both with flexible and non-flexible positioning.\n        var transformString = '';\n        var offsetX = this._getOffset(position, 'x');\n        var offsetY = this._getOffset(position, 'y');\n        if (offsetX) {\n            transformString += \"translateX(\" + offsetX + \"px) \";\n        }\n        if (offsetY) {\n            transformString += \"translateY(\" + offsetY + \"px)\";\n        }\n        styles.transform = transformString.trim();\n        // If a maxWidth or maxHeight is specified on the overlay, we remove them. We do this because\n        // we need these values to both be set to \"100%\" for the automatic flexible sizing to work.\n        // The maxHeight and maxWidth are set on the boundingBox in order to enforce the constraint.\n        // Note that this doesn't apply when we have an exact position, in which case we do want to\n        // apply them because they'll be cleared from the bounding box.\n        if (config.maxHeight) {\n            if (hasExactPosition) {\n                styles.maxHeight = coerceCssPixelValue(config.maxHeight);\n            }\n            else if (hasFlexibleDimensions) {\n                styles.maxHeight = '';\n            }\n        }\n        if (config.maxWidth) {\n            if (hasExactPosition) {\n                styles.maxWidth = coerceCssPixelValue(config.maxWidth);\n            }\n            else if (hasFlexibleDimensions) {\n                styles.maxWidth = '';\n            }\n        }\n        extendStyles(this._pane.style, styles);\n    };\n    /** Gets the exact top/bottom for the overlay when not using flexible sizing or when pushing. */\n    FlexibleConnectedPositionStrategy.prototype._getExactOverlayY = function (position, originPoint, scrollPosition) {\n        // Reset any existing styles. This is necessary in case the\n        // preferred position has changed since the last `apply`.\n        var styles = { top: '', bottom: '' };\n        var overlayPoint = this._getOverlayPoint(originPoint, this._overlayRect, position);\n        if (this._isPushed) {\n            overlayPoint = this._pushOverlayOnScreen(overlayPoint, this._overlayRect, scrollPosition);\n        }\n        var virtualKeyboardOffset = this._overlayContainer.getContainerElement().getBoundingClientRect().top;\n        // Normally this would be zero, however when the overlay is attached to an input (e.g. in an\n        // autocomplete), mobile browsers will shift everything in order to put the input in the middle\n        // of the screen and to make space for the virtual keyboard. We need to account for this offset,\n        // otherwise our positioning will be thrown off.\n        overlayPoint.y -= virtualKeyboardOffset;\n        // We want to set either `top` or `bottom` based on whether the overlay wants to appear\n        // above or below the origin and the direction in which the element will expand.\n        if (position.overlayY === 'bottom') {\n            // When using `bottom`, we adjust the y position such that it is the distance\n            // from the bottom of the viewport rather than the top.\n            var documentHeight = this._document.documentElement.clientHeight;\n            styles.bottom = documentHeight - (overlayPoint.y + this._overlayRect.height) + \"px\";\n        }\n        else {\n            styles.top = coerceCssPixelValue(overlayPoint.y);\n        }\n        return styles;\n    };\n    /** Gets the exact left/right for the overlay when not using flexible sizing or when pushing. */\n    FlexibleConnectedPositionStrategy.prototype._getExactOverlayX = function (position, originPoint, scrollPosition) {\n        // Reset any existing styles. This is necessary in case the preferred position has\n        // changed since the last `apply`.\n        var styles = { left: '', right: '' };\n        var overlayPoint = this._getOverlayPoint(originPoint, this._overlayRect, position);\n        if (this._isPushed) {\n            overlayPoint = this._pushOverlayOnScreen(overlayPoint, this._overlayRect, scrollPosition);\n        }\n        // We want to set either `left` or `right` based on whether the overlay wants to appear \"before\"\n        // or \"after\" the origin, which determines the direction in which the element will expand.\n        // For the horizontal axis, the meaning of \"before\" and \"after\" change based on whether the\n        // page is in RTL or LTR.\n        var horizontalStyleProperty;\n        if (this._isRtl()) {\n            horizontalStyleProperty = position.overlayX === 'end' ? 'left' : 'right';\n        }\n        else {\n            horizontalStyleProperty = position.overlayX === 'end' ? 'right' : 'left';\n        }\n        // When we're setting `right`, we adjust the x position such that it is the distance\n        // from the right edge of the viewport rather than the left edge.\n        if (horizontalStyleProperty === 'right') {\n            var documentWidth = this._document.documentElement.clientWidth;\n            styles.right = documentWidth - (overlayPoint.x + this._overlayRect.width) + \"px\";\n        }\n        else {\n            styles.left = coerceCssPixelValue(overlayPoint.x);\n        }\n        return styles;\n    };\n    /**\n     * Gets the view properties of the trigger and overlay, including whether they are clipped\n     * or completely outside the view of any of the strategy's scrollables.\n     */\n    FlexibleConnectedPositionStrategy.prototype._getScrollVisibility = function () {\n        // Note: needs fresh rects since the position could've changed.\n        var originBounds = this._getOriginRect();\n        var overlayBounds = this._pane.getBoundingClientRect();\n        // TODO(jelbourn): instead of needing all of the client rects for these scrolling containers\n        // every time, we should be able to use the scrollTop of the containers if the size of those\n        // containers hasn't changed.\n        var scrollContainerBounds = this._scrollables.map(function (scrollable) {\n            return scrollable.getElementRef().nativeElement.getBoundingClientRect();\n        });\n        return {\n            isOriginClipped: isElementClippedByScrolling(originBounds, scrollContainerBounds),\n            isOriginOutsideView: isElementScrolledOutsideView(originBounds, scrollContainerBounds),\n            isOverlayClipped: isElementClippedByScrolling(overlayBounds, scrollContainerBounds),\n            isOverlayOutsideView: isElementScrolledOutsideView(overlayBounds, scrollContainerBounds),\n        };\n    };\n    /** Subtracts the amount that an element is overflowing on an axis from its length. */\n    FlexibleConnectedPositionStrategy.prototype._subtractOverflows = function (length) {\n        var overflows = [];\n        for (var _i = 1; _i < arguments.length; _i++) {\n            overflows[_i - 1] = arguments[_i];\n        }\n        return overflows.reduce(function (currentValue, currentOverflow) {\n            return currentValue - Math.max(currentOverflow, 0);\n        }, length);\n    };\n    /** Narrows the given viewport rect by the current _viewportMargin. */\n    FlexibleConnectedPositionStrategy.prototype._getNarrowedViewportRect = function () {\n        // We recalculate the viewport rect here ourselves, rather than using the ViewportRuler,\n        // because we want to use the `clientWidth` and `clientHeight` as the base. The difference\n        // being that the client properties don't include the scrollbar, as opposed to `innerWidth`\n        // and `innerHeight` that do. This is necessary, because the overlay container uses\n        // 100% `width` and `height` which don't include the scrollbar either.\n        var width = this._document.documentElement.clientWidth;\n        var height = this._document.documentElement.clientHeight;\n        var scrollPosition = this._viewportRuler.getViewportScrollPosition();\n        return {\n            top: scrollPosition.top + this._viewportMargin,\n            left: scrollPosition.left + this._viewportMargin,\n            right: scrollPosition.left + width - this._viewportMargin,\n            bottom: scrollPosition.top + height - this._viewportMargin,\n            width: width - (2 * this._viewportMargin),\n            height: height - (2 * this._viewportMargin),\n        };\n    };\n    /** Whether the we're dealing with an RTL context */\n    FlexibleConnectedPositionStrategy.prototype._isRtl = function () {\n        return this._overlayRef.getDirection() === 'rtl';\n    };\n    /** Determines whether the overlay uses exact or flexible positioning. */\n    FlexibleConnectedPositionStrategy.prototype._hasExactPosition = function () {\n        return !this._hasFlexibleDimensions || this._isPushed;\n    };\n    /** Retrieves the offset of a position along the x or y axis. */\n    FlexibleConnectedPositionStrategy.prototype._getOffset = function (position, axis) {\n        if (axis === 'x') {\n            // We don't do something like `position['offset' + axis]` in\n            // order to avoid breking minifiers that rename properties.\n            return position.offsetX == null ? this._offsetX : position.offsetX;\n        }\n        return position.offsetY == null ? this._offsetY : position.offsetY;\n    };\n    /** Validates that the current position match the expected values. */\n    FlexibleConnectedPositionStrategy.prototype._validatePositions = function () {\n        if (!this._preferredPositions.length) {\n            throw Error('FlexibleConnectedPositionStrategy: At least one position is required.');\n        }\n        // TODO(crisbeto): remove these once Angular's template type\n        // checking is advanced enough to catch these cases.\n        this._preferredPositions.forEach(function (pair) {\n            validateHorizontalPosition('originX', pair.originX);\n            validateVerticalPosition('originY', pair.originY);\n            validateHorizontalPosition('overlayX', pair.overlayX);\n            validateVerticalPosition('overlayY', pair.overlayY);\n        });\n    };\n    /** Adds a single CSS class or an array of classes on the overlay panel. */\n    FlexibleConnectedPositionStrategy.prototype._addPanelClasses = function (cssClasses) {\n        var _this = this;\n        if (this._pane) {\n            coerceArray(cssClasses).forEach(function (cssClass) {\n                if (cssClass !== '' && _this._appliedPanelClasses.indexOf(cssClass) === -1) {\n                    _this._appliedPanelClasses.push(cssClass);\n                    _this._pane.classList.add(cssClass);\n                }\n            });\n        }\n    };\n    /** Clears the classes that the position strategy has applied from the overlay panel. */\n    FlexibleConnectedPositionStrategy.prototype._clearPanelClasses = function () {\n        var _this = this;\n        if (this._pane) {\n            this._appliedPanelClasses.forEach(function (cssClass) {\n                _this._pane.classList.remove(cssClass);\n            });\n            this._appliedPanelClasses = [];\n        }\n    };\n    /** Returns the ClientRect of the current origin. */\n    FlexibleConnectedPositionStrategy.prototype._getOriginRect = function () {\n        var origin = this._origin;\n        if (origin instanceof ElementRef) {\n            return origin.nativeElement.getBoundingClientRect();\n        }\n        if (origin instanceof HTMLElement) {\n            return origin.getBoundingClientRect();\n        }\n        var width = origin.width || 0;\n        var height = origin.height || 0;\n        // If the origin is a point, return a client rect as if it was a 0x0 element at the point.\n        return {\n            top: origin.y,\n            bottom: origin.y + height,\n            left: origin.x,\n            right: origin.x + width,\n            height: height,\n            width: width\n        };\n    };\n    return FlexibleConnectedPositionStrategy;\n}());\n/** Shallow-extends a stylesheet object with another stylesheet object. */\nfunction extendStyles(destination, source) {\n    for (var key in source) {\n        if (source.hasOwnProperty(key)) {\n            destination[key] = source[key];\n        }\n    }\n    return destination;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A strategy for positioning overlays. Using this strategy, an overlay is given an\n * implicit position relative to some origin element. The relative position is defined in terms of\n * a point on the origin element that is connected to a point on the overlay element. For example,\n * a basic dropdown is connecting the bottom-left corner of the origin to the top-left corner\n * of the overlay.\n * @deprecated Use `FlexibleConnectedPositionStrategy` instead.\n * @breaking-change 8.0.0\n */\nvar ConnectedPositionStrategy = /** @class */ (function () {\n    function ConnectedPositionStrategy(originPos, overlayPos, connectedTo, viewportRuler, document, platform, overlayContainer) {\n        /** Ordered list of preferred positions, from most to least desirable. */\n        this._preferredPositions = [];\n        // Since the `ConnectedPositionStrategy` is deprecated and we don't want to maintain\n        // the extra logic, we create an instance of the positioning strategy that has some\n        // defaults that make it behave as the old position strategy and to which we'll\n        // proxy all of the API calls.\n        this._positionStrategy = new FlexibleConnectedPositionStrategy(connectedTo, viewportRuler, document, platform, overlayContainer)\n            .withFlexibleDimensions(false)\n            .withPush(false)\n            .withViewportMargin(0);\n        this.withFallbackPosition(originPos, overlayPos);\n    }\n    Object.defineProperty(ConnectedPositionStrategy.prototype, \"_isRtl\", {\n        /** Whether the we're dealing with an RTL context */\n        get: function () {\n            return this._overlayRef.getDirection() === 'rtl';\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ConnectedPositionStrategy.prototype, \"onPositionChange\", {\n        /** Emits an event when the connection point changes. */\n        get: function () {\n            return this._positionStrategy.positionChanges;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(ConnectedPositionStrategy.prototype, \"positions\", {\n        /** Ordered list of preferred positions, from most to least desirable. */\n        get: function () {\n            return this._preferredPositions;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** Attach this position strategy to an overlay. */\n    ConnectedPositionStrategy.prototype.attach = function (overlayRef) {\n        this._overlayRef = overlayRef;\n        this._positionStrategy.attach(overlayRef);\n        if (this._direction) {\n            overlayRef.setDirection(this._direction);\n            this._direction = null;\n        }\n    };\n    /** Disposes all resources used by the position strategy. */\n    ConnectedPositionStrategy.prototype.dispose = function () {\n        this._positionStrategy.dispose();\n    };\n    /** @docs-private */\n    ConnectedPositionStrategy.prototype.detach = function () {\n        this._positionStrategy.detach();\n    };\n    /**\n     * Updates the position of the overlay element, using whichever preferred position relative\n     * to the origin fits on-screen.\n     * @docs-private\n     */\n    ConnectedPositionStrategy.prototype.apply = function () {\n        this._positionStrategy.apply();\n    };\n    /**\n     * Re-positions the overlay element with the trigger in its last calculated position,\n     * even if a position higher in the \"preferred positions\" list would now fit. This\n     * allows one to re-align the panel without changing the orientation of the panel.\n     */\n    ConnectedPositionStrategy.prototype.recalculateLastPosition = function () {\n        this._positionStrategy.reapplyLastPosition();\n    };\n    /**\n     * Sets the list of Scrollable containers that host the origin element so that\n     * on reposition we can evaluate if it or the overlay has been clipped or outside view. Every\n     * Scrollable must be an ancestor element of the strategy's origin element.\n     */\n    ConnectedPositionStrategy.prototype.withScrollableContainers = function (scrollables) {\n        this._positionStrategy.withScrollableContainers(scrollables);\n    };\n    /**\n     * Adds a new preferred fallback position.\n     * @param originPos\n     * @param overlayPos\n     */\n    ConnectedPositionStrategy.prototype.withFallbackPosition = function (originPos, overlayPos, offsetX, offsetY) {\n        var position = new ConnectionPositionPair(originPos, overlayPos, offsetX, offsetY);\n        this._preferredPositions.push(position);\n        this._positionStrategy.withPositions(this._preferredPositions);\n        return this;\n    };\n    /**\n     * Sets the layout direction so the overlay's position can be adjusted to match.\n     * @param dir New layout direction.\n     */\n    ConnectedPositionStrategy.prototype.withDirection = function (dir) {\n        // Since the direction might be declared before the strategy is attached,\n        // we save the value in a temporary property and we'll transfer it to the\n        // overlay ref on attachment.\n        if (this._overlayRef) {\n            this._overlayRef.setDirection(dir);\n        }\n        else {\n            this._direction = dir;\n        }\n        return this;\n    };\n    /**\n     * Sets an offset for the overlay's connection point on the x-axis\n     * @param offset New offset in the X axis.\n     */\n    ConnectedPositionStrategy.prototype.withOffsetX = function (offset) {\n        this._positionStrategy.withDefaultOffsetX(offset);\n        return this;\n    };\n    /**\n     * Sets an offset for the overlay's connection point on the y-axis\n     * @param  offset New offset in the Y axis.\n     */\n    ConnectedPositionStrategy.prototype.withOffsetY = function (offset) {\n        this._positionStrategy.withDefaultOffsetY(offset);\n        return this;\n    };\n    /**\n     * Sets whether the overlay's position should be locked in after it is positioned\n     * initially. When an overlay is locked in, it won't attempt to reposition itself\n     * when the position is re-applied (e.g. when the user scrolls away).\n     * @param isLocked Whether the overlay should locked in.\n     */\n    ConnectedPositionStrategy.prototype.withLockedPosition = function (isLocked) {\n        this._positionStrategy.withLockedPosition(isLocked);\n        return this;\n    };\n    /**\n     * Overwrites the current set of positions with an array of new ones.\n     * @param positions Position pairs to be set on the strategy.\n     */\n    ConnectedPositionStrategy.prototype.withPositions = function (positions) {\n        this._preferredPositions = positions.slice();\n        this._positionStrategy.withPositions(this._preferredPositions);\n        return this;\n    };\n    /**\n     * Sets the origin element, relative to which to position the overlay.\n     * @param origin Reference to the new origin element.\n     */\n    ConnectedPositionStrategy.prototype.setOrigin = function (origin) {\n        this._positionStrategy.setOrigin(origin);\n        return this;\n    };\n    return ConnectedPositionStrategy;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Class to be added to the overlay pane wrapper. */\nvar wrapperClass = 'cdk-global-overlay-wrapper';\n/**\n * A strategy for positioning overlays. Using this strategy, an overlay is given an\n * explicit position relative to the browser's viewport. We use flexbox, instead of\n * transforms, in order to avoid issues with subpixel rendering which can cause the\n * element to become blurry.\n */\nvar GlobalPositionStrategy = /** @class */ (function () {\n    function GlobalPositionStrategy() {\n        this._cssPosition = 'static';\n        this._topOffset = '';\n        this._bottomOffset = '';\n        this._leftOffset = '';\n        this._rightOffset = '';\n        this._alignItems = '';\n        this._justifyContent = '';\n        this._width = '';\n        this._height = '';\n    }\n    GlobalPositionStrategy.prototype.attach = function (overlayRef) {\n        var config = overlayRef.getConfig();\n        this._overlayRef = overlayRef;\n        if (this._width && !config.width) {\n            overlayRef.updateSize({ width: this._width });\n        }\n        if (this._height && !config.height) {\n            overlayRef.updateSize({ height: this._height });\n        }\n        overlayRef.hostElement.classList.add(wrapperClass);\n        this._isDisposed = false;\n    };\n    /**\n     * Sets the top position of the overlay. Clears any previously set vertical position.\n     * @param value New top offset.\n     */\n    GlobalPositionStrategy.prototype.top = function (value) {\n        if (value === void 0) { value = ''; }\n        this._bottomOffset = '';\n        this._topOffset = value;\n        this._alignItems = 'flex-start';\n        return this;\n    };\n    /**\n     * Sets the left position of the overlay. Clears any previously set horizontal position.\n     * @param value New left offset.\n     */\n    GlobalPositionStrategy.prototype.left = function (value) {\n        if (value === void 0) { value = ''; }\n        this._rightOffset = '';\n        this._leftOffset = value;\n        this._justifyContent = 'flex-start';\n        return this;\n    };\n    /**\n     * Sets the bottom position of the overlay. Clears any previously set vertical position.\n     * @param value New bottom offset.\n     */\n    GlobalPositionStrategy.prototype.bottom = function (value) {\n        if (value === void 0) { value = ''; }\n        this._topOffset = '';\n        this._bottomOffset = value;\n        this._alignItems = 'flex-end';\n        return this;\n    };\n    /**\n     * Sets the right position of the overlay. Clears any previously set horizontal position.\n     * @param value New right offset.\n     */\n    GlobalPositionStrategy.prototype.right = function (value) {\n        if (value === void 0) { value = ''; }\n        this._leftOffset = '';\n        this._rightOffset = value;\n        this._justifyContent = 'flex-end';\n        return this;\n    };\n    /**\n     * Sets the overlay width and clears any previously set width.\n     * @param value New width for the overlay\n     * @deprecated Pass the `width` through the `OverlayConfig`.\n     * @breaking-change 8.0.0\n     */\n    GlobalPositionStrategy.prototype.width = function (value) {\n        if (value === void 0) { value = ''; }\n        if (this._overlayRef) {\n            this._overlayRef.updateSize({ width: value });\n        }\n        else {\n            this._width = value;\n        }\n        return this;\n    };\n    /**\n     * Sets the overlay height and clears any previously set height.\n     * @param value New height for the overlay\n     * @deprecated Pass the `height` through the `OverlayConfig`.\n     * @breaking-change 8.0.0\n     */\n    GlobalPositionStrategy.prototype.height = function (value) {\n        if (value === void 0) { value = ''; }\n        if (this._overlayRef) {\n            this._overlayRef.updateSize({ height: value });\n        }\n        else {\n            this._height = value;\n        }\n        return this;\n    };\n    /**\n     * Centers the overlay horizontally with an optional offset.\n     * Clears any previously set horizontal position.\n     *\n     * @param offset Overlay offset from the horizontal center.\n     */\n    GlobalPositionStrategy.prototype.centerHorizontally = function (offset) {\n        if (offset === void 0) { offset = ''; }\n        this.left(offset);\n        this._justifyContent = 'center';\n        return this;\n    };\n    /**\n     * Centers the overlay vertically with an optional offset.\n     * Clears any previously set vertical position.\n     *\n     * @param offset Overlay offset from the vertical center.\n     */\n    GlobalPositionStrategy.prototype.centerVertically = function (offset) {\n        if (offset === void 0) { offset = ''; }\n        this.top(offset);\n        this._alignItems = 'center';\n        return this;\n    };\n    /**\n     * Apply the position to the element.\n     * @docs-private\n     */\n    GlobalPositionStrategy.prototype.apply = function () {\n        // Since the overlay ref applies the strategy asynchronously, it could\n        // have been disposed before it ends up being applied. If that is the\n        // case, we shouldn't do anything.\n        if (!this._overlayRef || !this._overlayRef.hasAttached()) {\n            return;\n        }\n        var styles = this._overlayRef.overlayElement.style;\n        var parentStyles = this._overlayRef.hostElement.style;\n        var config = this._overlayRef.getConfig();\n        var width = config.width, height = config.height, maxWidth = config.maxWidth, maxHeight = config.maxHeight;\n        var shouldBeFlushHorizontally = (width === '100%' || width === '100vw') &&\n            (!maxWidth || maxWidth === '100%' || maxWidth === '100vw');\n        var shouldBeFlushVertically = (height === '100%' || height === '100vh') &&\n            (!maxHeight || maxHeight === '100%' || maxHeight === '100vh');\n        styles.position = this._cssPosition;\n        styles.marginLeft = shouldBeFlushHorizontally ? '0' : this._leftOffset;\n        styles.marginTop = shouldBeFlushVertically ? '0' : this._topOffset;\n        styles.marginBottom = this._bottomOffset;\n        styles.marginRight = this._rightOffset;\n        if (shouldBeFlushHorizontally) {\n            parentStyles.justifyContent = 'flex-start';\n        }\n        else if (this._justifyContent === 'center') {\n            parentStyles.justifyContent = 'center';\n        }\n        else if (this._overlayRef.getConfig().direction === 'rtl') {\n            // In RTL the browser will invert `flex-start` and `flex-end` automatically, but we\n            // don't want that because our positioning is explicitly `left` and `right`, hence\n            // why we do another inversion to ensure that the overlay stays in the same position.\n            // TODO: reconsider this if we add `start` and `end` methods.\n            if (this._justifyContent === 'flex-start') {\n                parentStyles.justifyContent = 'flex-end';\n            }\n            else if (this._justifyContent === 'flex-end') {\n                parentStyles.justifyContent = 'flex-start';\n            }\n        }\n        else {\n            parentStyles.justifyContent = this._justifyContent;\n        }\n        parentStyles.alignItems = shouldBeFlushVertically ? 'flex-start' : this._alignItems;\n    };\n    /**\n     * Cleans up the DOM changes from the position strategy.\n     * @docs-private\n     */\n    GlobalPositionStrategy.prototype.dispose = function () {\n        if (this._isDisposed || !this._overlayRef) {\n            return;\n        }\n        var styles = this._overlayRef.overlayElement.style;\n        var parent = this._overlayRef.hostElement;\n        var parentStyles = parent.style;\n        parent.classList.remove(wrapperClass);\n        parentStyles.justifyContent = parentStyles.alignItems = styles.marginTop =\n            styles.marginBottom = styles.marginLeft = styles.marginRight = styles.position = '';\n        this._overlayRef = null;\n        this._isDisposed = true;\n    };\n    return GlobalPositionStrategy;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Builder for overlay position strategy. */\nvar OverlayPositionBuilder = /** @class */ (function () {\n    function OverlayPositionBuilder(_viewportRuler, _document, _platform, _overlayContainer) {\n        this._viewportRuler = _viewportRuler;\n        this._document = _document;\n        this._platform = _platform;\n        this._overlayContainer = _overlayContainer;\n    }\n    /**\n     * Creates a global position strategy.\n     */\n    OverlayPositionBuilder.prototype.global = function () {\n        return new GlobalPositionStrategy();\n    };\n    /**\n     * Creates a relative position strategy.\n     * @param elementRef\n     * @param originPos\n     * @param overlayPos\n     * @deprecated Use `flexibleConnectedTo` instead.\n     * @breaking-change 8.0.0\n     */\n    OverlayPositionBuilder.prototype.connectedTo = function (elementRef, originPos, overlayPos) {\n        return new ConnectedPositionStrategy(originPos, overlayPos, elementRef, this._viewportRuler, this._document, this._platform, this._overlayContainer);\n    };\n    /**\n     * Creates a flexible position strategy.\n     * @param origin Origin relative to which to position the overlay.\n     */\n    OverlayPositionBuilder.prototype.flexibleConnectedTo = function (origin) {\n        return new FlexibleConnectedPositionStrategy(origin, this._viewportRuler, this._document, this._platform, this._overlayContainer);\n    };\n    OverlayPositionBuilder.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    OverlayPositionBuilder.ctorParameters = function () { return [\n        { type: ViewportRuler },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },\n        { type: Platform },\n        { type: OverlayContainer }\n    ]; };\n    OverlayPositionBuilder.ɵprov = ɵɵdefineInjectable({ factory: function OverlayPositionBuilder_Factory() { return new OverlayPositionBuilder(ɵɵinject(ViewportRuler), ɵɵinject(DOCUMENT), ɵɵinject(Platform), ɵɵinject(OverlayContainer)); }, token: OverlayPositionBuilder, providedIn: \"root\" });\n    return OverlayPositionBuilder;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Next overlay unique ID. */\nvar nextUniqueId = 0;\n// Note that Overlay is *not* scoped to the app root because of the ComponentFactoryResolver\n// which needs to be different depending on where OverlayModule is imported.\n/**\n * Service to create Overlays. Overlays are dynamically added pieces of floating UI, meant to be\n * used as a low-level building block for other components. Dialogs, tooltips, menus,\n * selects, etc. can all be built using overlays. The service should primarily be used by authors\n * of re-usable components rather than developers building end-user applications.\n *\n * An overlay *is* a PortalOutlet, so any kind of Portal can be loaded into one.\n */\nvar Overlay = /** @class */ (function () {\n    function Overlay(\n    /** Scrolling strategies that can be used when creating an overlay. */\n    scrollStrategies, _overlayContainer, _componentFactoryResolver, _positionBuilder, _keyboardDispatcher, _injector, _ngZone, _document, _directionality, \n    // @breaking-change 8.0.0 `_location` parameter to be made required.\n    _location) {\n        this.scrollStrategies = scrollStrategies;\n        this._overlayContainer = _overlayContainer;\n        this._componentFactoryResolver = _componentFactoryResolver;\n        this._positionBuilder = _positionBuilder;\n        this._keyboardDispatcher = _keyboardDispatcher;\n        this._injector = _injector;\n        this._ngZone = _ngZone;\n        this._document = _document;\n        this._directionality = _directionality;\n        this._location = _location;\n    }\n    /**\n     * Creates an overlay.\n     * @param config Configuration applied to the overlay.\n     * @returns Reference to the created overlay.\n     */\n    Overlay.prototype.create = function (config) {\n        var host = this._createHostElement();\n        var pane = this._createPaneElement(host);\n        var portalOutlet = this._createPortalOutlet(pane);\n        var overlayConfig = new OverlayConfig(config);\n        overlayConfig.direction = overlayConfig.direction || this._directionality.value;\n        return new OverlayRef(portalOutlet, host, pane, overlayConfig, this._ngZone, this._keyboardDispatcher, this._document, this._location);\n    };\n    /**\n     * Gets a position builder that can be used, via fluent API,\n     * to construct and configure a position strategy.\n     * @returns An overlay position builder.\n     */\n    Overlay.prototype.position = function () {\n        return this._positionBuilder;\n    };\n    /**\n     * Creates the DOM element for an overlay and appends it to the overlay container.\n     * @returns Newly-created pane element\n     */\n    Overlay.prototype._createPaneElement = function (host) {\n        var pane = this._document.createElement('div');\n        pane.id = \"cdk-overlay-\" + nextUniqueId++;\n        pane.classList.add('cdk-overlay-pane');\n        host.appendChild(pane);\n        return pane;\n    };\n    /**\n     * Creates the host element that wraps around an overlay\n     * and can be used for advanced positioning.\n     * @returns Newly-create host element.\n     */\n    Overlay.prototype._createHostElement = function () {\n        var host = this._document.createElement('div');\n        this._overlayContainer.getContainerElement().appendChild(host);\n        return host;\n    };\n    /**\n     * Create a DomPortalOutlet into which the overlay content can be loaded.\n     * @param pane The DOM element to turn into a portal outlet.\n     * @returns A portal outlet for the given DOM element.\n     */\n    Overlay.prototype._createPortalOutlet = function (pane) {\n        // We have to resolve the ApplicationRef later in order to allow people\n        // to use overlay-based providers during app initialization.\n        if (!this._appRef) {\n            this._appRef = this._injector.get(ApplicationRef);\n        }\n        return new DomPortalOutlet(pane, this._componentFactoryResolver, this._appRef, this._injector, this._document);\n    };\n    Overlay.decorators = [\n        { type: Injectable }\n    ];\n    /** @nocollapse */\n    Overlay.ctorParameters = function () { return [\n        { type: ScrollStrategyOptions },\n        { type: OverlayContainer },\n        { type: ComponentFactoryResolver },\n        { type: OverlayPositionBuilder },\n        { type: OverlayKeyboardDispatcher },\n        { type: Injector },\n        { type: NgZone },\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },\n        { type: Directionality },\n        { type: Location, decorators: [{ type: Optional }] }\n    ]; };\n    return Overlay;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Default set of positions for the overlay. Follows the behavior of a dropdown. */\nvar defaultPositionList = [\n    {\n        originX: 'start',\n        originY: 'bottom',\n        overlayX: 'start',\n        overlayY: 'top'\n    },\n    {\n        originX: 'start',\n        originY: 'top',\n        overlayX: 'start',\n        overlayY: 'bottom'\n    },\n    {\n        originX: 'end',\n        originY: 'top',\n        overlayX: 'end',\n        overlayY: 'bottom'\n    },\n    {\n        originX: 'end',\n        originY: 'bottom',\n        overlayX: 'end',\n        overlayY: 'top'\n    }\n];\n/** Injection token that determines the scroll handling while the connected overlay is open. */\nvar CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY = new InjectionToken('cdk-connected-overlay-scroll-strategy');\n/** @docs-private @deprecated @breaking-change 8.0.0 */\nfunction CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_FACTORY(overlay) {\n    return function (config) { return overlay.scrollStrategies.reposition(config); };\n}\n/**\n * Directive applied to an element to make it usable as an origin for an Overlay using a\n * ConnectedPositionStrategy.\n */\nvar CdkOverlayOrigin = /** @class */ (function () {\n    function CdkOverlayOrigin(\n    /** Reference to the element on which the directive is applied. */\n    elementRef) {\n        this.elementRef = elementRef;\n    }\n    CdkOverlayOrigin.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdk-overlay-origin], [overlay-origin], [cdkOverlayOrigin]',\n                    exportAs: 'cdkOverlayOrigin',\n                },] }\n    ];\n    /** @nocollapse */\n    CdkOverlayOrigin.ctorParameters = function () { return [\n        { type: ElementRef }\n    ]; };\n    return CdkOverlayOrigin;\n}());\n/**\n * Directive to facilitate declarative creation of an\n * Overlay using a FlexibleConnectedPositionStrategy.\n */\nvar CdkConnectedOverlay = /** @class */ (function () {\n    // TODO(jelbourn): inputs for size, scroll behavior, animation, etc.\n    function CdkConnectedOverlay(_overlay, templateRef, viewContainerRef, scrollStrategyFactory, _dir) {\n        this._overlay = _overlay;\n        this._dir = _dir;\n        this._hasBackdrop = false;\n        this._lockPosition = false;\n        this._growAfterOpen = false;\n        this._flexibleDimensions = false;\n        this._push = false;\n        this._backdropSubscription = Subscription.EMPTY;\n        /** Margin between the overlay and the viewport edges. */\n        this.viewportMargin = 0;\n        /** Whether the overlay is open. */\n        this.open = false;\n        /** Event emitted when the backdrop is clicked. */\n        this.backdropClick = new EventEmitter();\n        /** Event emitted when the position has changed. */\n        this.positionChange = new EventEmitter();\n        /** Event emitted when the overlay has been attached. */\n        this.attach = new EventEmitter();\n        /** Event emitted when the overlay has been detached. */\n        this.detach = new EventEmitter();\n        /** Emits when there are keyboard events that are targeted at the overlay. */\n        this.overlayKeydown = new EventEmitter();\n        this._templatePortal = new TemplatePortal(templateRef, viewContainerRef);\n        this._scrollStrategyFactory = scrollStrategyFactory;\n        this.scrollStrategy = this._scrollStrategyFactory();\n    }\n    Object.defineProperty(CdkConnectedOverlay.prototype, \"offsetX\", {\n        /** The offset in pixels for the overlay connection point on the x-axis */\n        get: function () { return this._offsetX; },\n        set: function (offsetX) {\n            this._offsetX = offsetX;\n            if (this._position) {\n                this._updatePositionStrategy(this._position);\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkConnectedOverlay.prototype, \"offsetY\", {\n        /** The offset in pixels for the overlay connection point on the y-axis */\n        get: function () { return this._offsetY; },\n        set: function (offsetY) {\n            this._offsetY = offsetY;\n            if (this._position) {\n                this._updatePositionStrategy(this._position);\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkConnectedOverlay.prototype, \"hasBackdrop\", {\n        /** Whether or not the overlay should attach a backdrop. */\n        get: function () { return this._hasBackdrop; },\n        set: function (value) { this._hasBackdrop = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkConnectedOverlay.prototype, \"lockPosition\", {\n        /** Whether or not the overlay should be locked when scrolling. */\n        get: function () { return this._lockPosition; },\n        set: function (value) { this._lockPosition = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkConnectedOverlay.prototype, \"flexibleDimensions\", {\n        /** Whether the overlay's width and height can be constrained to fit within the viewport. */\n        get: function () { return this._flexibleDimensions; },\n        set: function (value) {\n            this._flexibleDimensions = coerceBooleanProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkConnectedOverlay.prototype, \"growAfterOpen\", {\n        /** Whether the overlay can grow after the initial open when flexible positioning is turned on. */\n        get: function () { return this._growAfterOpen; },\n        set: function (value) { this._growAfterOpen = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkConnectedOverlay.prototype, \"push\", {\n        /** Whether the overlay can be pushed on-screen if none of the provided positions fit. */\n        get: function () { return this._push; },\n        set: function (value) { this._push = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkConnectedOverlay.prototype, \"overlayRef\", {\n        /** The associated overlay reference. */\n        get: function () {\n            return this._overlayRef;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkConnectedOverlay.prototype, \"dir\", {\n        /** The element's layout direction. */\n        get: function () {\n            return this._dir ? this._dir.value : 'ltr';\n        },\n        enumerable: true,\n        configurable: true\n    });\n    CdkConnectedOverlay.prototype.ngOnDestroy = function () {\n        if (this._overlayRef) {\n            this._overlayRef.dispose();\n        }\n        this._backdropSubscription.unsubscribe();\n    };\n    CdkConnectedOverlay.prototype.ngOnChanges = function (changes) {\n        if (this._position) {\n            this._updatePositionStrategy(this._position);\n            this._overlayRef.updateSize({\n                width: this.width,\n                minWidth: this.minWidth,\n                height: this.height,\n                minHeight: this.minHeight,\n            });\n            if (changes['origin'] && this.open) {\n                this._position.apply();\n            }\n        }\n        if (changes['open']) {\n            this.open ? this._attachOverlay() : this._detachOverlay();\n        }\n    };\n    /** Creates an overlay */\n    CdkConnectedOverlay.prototype._createOverlay = function () {\n        var _this = this;\n        if (!this.positions || !this.positions.length) {\n            this.positions = defaultPositionList;\n        }\n        this._overlayRef = this._overlay.create(this._buildConfig());\n        this._overlayRef.keydownEvents().subscribe(function (event) {\n            _this.overlayKeydown.next(event);\n            if (event.keyCode === ESCAPE && !hasModifierKey(event)) {\n                event.preventDefault();\n                _this._detachOverlay();\n            }\n        });\n    };\n    /** Builds the overlay config based on the directive's inputs */\n    CdkConnectedOverlay.prototype._buildConfig = function () {\n        var positionStrategy = this._position =\n            this.positionStrategy || this._createPositionStrategy();\n        var overlayConfig = new OverlayConfig({\n            direction: this._dir,\n            positionStrategy: positionStrategy,\n            scrollStrategy: this.scrollStrategy,\n            hasBackdrop: this.hasBackdrop\n        });\n        if (this.width || this.width === 0) {\n            overlayConfig.width = this.width;\n        }\n        if (this.height || this.height === 0) {\n            overlayConfig.height = this.height;\n        }\n        if (this.minWidth || this.minWidth === 0) {\n            overlayConfig.minWidth = this.minWidth;\n        }\n        if (this.minHeight || this.minHeight === 0) {\n            overlayConfig.minHeight = this.minHeight;\n        }\n        if (this.backdropClass) {\n            overlayConfig.backdropClass = this.backdropClass;\n        }\n        if (this.panelClass) {\n            overlayConfig.panelClass = this.panelClass;\n        }\n        return overlayConfig;\n    };\n    /** Updates the state of a position strategy, based on the values of the directive inputs. */\n    CdkConnectedOverlay.prototype._updatePositionStrategy = function (positionStrategy) {\n        var _this = this;\n        var positions = this.positions.map(function (currentPosition) { return ({\n            originX: currentPosition.originX,\n            originY: currentPosition.originY,\n            overlayX: currentPosition.overlayX,\n            overlayY: currentPosition.overlayY,\n            offsetX: currentPosition.offsetX || _this.offsetX,\n            offsetY: currentPosition.offsetY || _this.offsetY,\n            panelClass: currentPosition.panelClass || undefined,\n        }); });\n        return positionStrategy\n            .setOrigin(this.origin.elementRef)\n            .withPositions(positions)\n            .withFlexibleDimensions(this.flexibleDimensions)\n            .withPush(this.push)\n            .withGrowAfterOpen(this.growAfterOpen)\n            .withViewportMargin(this.viewportMargin)\n            .withLockedPosition(this.lockPosition)\n            .withTransformOriginOn(this.transformOriginSelector);\n    };\n    /** Returns the position strategy of the overlay to be set on the overlay config */\n    CdkConnectedOverlay.prototype._createPositionStrategy = function () {\n        var _this = this;\n        var strategy = this._overlay.position().flexibleConnectedTo(this.origin.elementRef);\n        this._updatePositionStrategy(strategy);\n        strategy.positionChanges.subscribe(function (p) { return _this.positionChange.emit(p); });\n        return strategy;\n    };\n    /** Attaches the overlay and subscribes to backdrop clicks if backdrop exists */\n    CdkConnectedOverlay.prototype._attachOverlay = function () {\n        var _this = this;\n        if (!this._overlayRef) {\n            this._createOverlay();\n        }\n        else {\n            // Update the overlay size, in case the directive's inputs have changed\n            this._overlayRef.getConfig().hasBackdrop = this.hasBackdrop;\n        }\n        if (!this._overlayRef.hasAttached()) {\n            this._overlayRef.attach(this._templatePortal);\n            this.attach.emit();\n        }\n        if (this.hasBackdrop) {\n            this._backdropSubscription = this._overlayRef.backdropClick().subscribe(function (event) {\n                _this.backdropClick.emit(event);\n            });\n        }\n        else {\n            this._backdropSubscription.unsubscribe();\n        }\n    };\n    /** Detaches the overlay and unsubscribes to backdrop clicks if backdrop exists */\n    CdkConnectedOverlay.prototype._detachOverlay = function () {\n        if (this._overlayRef) {\n            this._overlayRef.detach();\n            this.detach.emit();\n        }\n        this._backdropSubscription.unsubscribe();\n    };\n    CdkConnectedOverlay.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdk-connected-overlay], [connected-overlay], [cdkConnectedOverlay]',\n                    exportAs: 'cdkConnectedOverlay'\n                },] }\n    ];\n    /** @nocollapse */\n    CdkConnectedOverlay.ctorParameters = function () { return [\n        { type: Overlay },\n        { type: TemplateRef },\n        { type: ViewContainerRef },\n        { type: undefined, decorators: [{ type: Inject, args: [CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY,] }] },\n        { type: Directionality, decorators: [{ type: Optional }] }\n    ]; };\n    CdkConnectedOverlay.propDecorators = {\n        origin: [{ type: Input, args: ['cdkConnectedOverlayOrigin',] }],\n        positions: [{ type: Input, args: ['cdkConnectedOverlayPositions',] }],\n        positionStrategy: [{ type: Input, args: ['cdkConnectedOverlayPositionStrategy',] }],\n        offsetX: [{ type: Input, args: ['cdkConnectedOverlayOffsetX',] }],\n        offsetY: [{ type: Input, args: ['cdkConnectedOverlayOffsetY',] }],\n        width: [{ type: Input, args: ['cdkConnectedOverlayWidth',] }],\n        height: [{ type: Input, args: ['cdkConnectedOverlayHeight',] }],\n        minWidth: [{ type: Input, args: ['cdkConnectedOverlayMinWidth',] }],\n        minHeight: [{ type: Input, args: ['cdkConnectedOverlayMinHeight',] }],\n        backdropClass: [{ type: Input, args: ['cdkConnectedOverlayBackdropClass',] }],\n        panelClass: [{ type: Input, args: ['cdkConnectedOverlayPanelClass',] }],\n        viewportMargin: [{ type: Input, args: ['cdkConnectedOverlayViewportMargin',] }],\n        scrollStrategy: [{ type: Input, args: ['cdkConnectedOverlayScrollStrategy',] }],\n        open: [{ type: Input, args: ['cdkConnectedOverlayOpen',] }],\n        transformOriginSelector: [{ type: Input, args: ['cdkConnectedOverlayTransformOriginOn',] }],\n        hasBackdrop: [{ type: Input, args: ['cdkConnectedOverlayHasBackdrop',] }],\n        lockPosition: [{ type: Input, args: ['cdkConnectedOverlayLockPosition',] }],\n        flexibleDimensions: [{ type: Input, args: ['cdkConnectedOverlayFlexibleDimensions',] }],\n        growAfterOpen: [{ type: Input, args: ['cdkConnectedOverlayGrowAfterOpen',] }],\n        push: [{ type: Input, args: ['cdkConnectedOverlayPush',] }],\n        backdropClick: [{ type: Output }],\n        positionChange: [{ type: Output }],\n        attach: [{ type: Output }],\n        detach: [{ type: Output }],\n        overlayKeydown: [{ type: Output }]\n    };\n    return CdkConnectedOverlay;\n}());\n/** @docs-private */\nfunction CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER_FACTORY(overlay) {\n    return function () { return overlay.scrollStrategies.reposition(); };\n}\n/** @docs-private */\nvar CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER = {\n    provide: CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY,\n    deps: [Overlay],\n    useFactory: CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER_FACTORY,\n};\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar OverlayModule = /** @class */ (function () {\n    function OverlayModule() {\n    }\n    OverlayModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [BidiModule, PortalModule, ScrollingModule],\n                    exports: [CdkConnectedOverlay, CdkOverlayOrigin, ScrollingModule],\n                    declarations: [CdkConnectedOverlay, CdkOverlayOrigin],\n                    providers: [\n                        Overlay,\n                        CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER,\n                    ],\n                },] }\n    ];\n    return OverlayModule;\n}());\n/**\n * @deprecated Use `OverlayModule` instead.\n * @breaking-change 8.0.0\n * @docs-private\n */\nvar OVERLAY_PROVIDERS = [\n    Overlay,\n    OverlayPositionBuilder,\n    OVERLAY_KEYBOARD_DISPATCHER_PROVIDER,\n    OVERLAY_CONTAINER_PROVIDER,\n    CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER,\n];\n\n/**\n * Alternative to OverlayContainer that supports correct displaying of overlay elements in\n * Fullscreen mode\n * https://developer.mozilla.org/en-US/docs/Web/API/Element/requestFullScreen\n *\n * Should be provided in the root component.\n */\nvar FullscreenOverlayContainer = /** @class */ (function (_super) {\n    __extends(FullscreenOverlayContainer, _super);\n    function FullscreenOverlayContainer(_document, \n    /**\n     * @deprecated `platform` parameter to become required.\n     * @breaking-change 10.0.0\n     */\n    platform) {\n        return _super.call(this, _document, platform) || this;\n    }\n    FullscreenOverlayContainer.prototype.ngOnDestroy = function () {\n        _super.prototype.ngOnDestroy.call(this);\n        if (this._fullScreenEventName && this._fullScreenListener) {\n            this._document.removeEventListener(this._fullScreenEventName, this._fullScreenListener);\n        }\n    };\n    FullscreenOverlayContainer.prototype._createContainer = function () {\n        var _this = this;\n        _super.prototype._createContainer.call(this);\n        this._adjustParentForFullscreenChange();\n        this._addFullscreenChangeListener(function () { return _this._adjustParentForFullscreenChange(); });\n    };\n    FullscreenOverlayContainer.prototype._adjustParentForFullscreenChange = function () {\n        if (!this._containerElement) {\n            return;\n        }\n        var fullscreenElement = this.getFullscreenElement();\n        var parent = fullscreenElement || this._document.body;\n        parent.appendChild(this._containerElement);\n    };\n    FullscreenOverlayContainer.prototype._addFullscreenChangeListener = function (fn) {\n        var eventName = this._getEventName();\n        if (eventName) {\n            if (this._fullScreenListener) {\n                this._document.removeEventListener(eventName, this._fullScreenListener);\n            }\n            this._document.addEventListener(eventName, fn);\n            this._fullScreenListener = fn;\n        }\n    };\n    FullscreenOverlayContainer.prototype._getEventName = function () {\n        if (!this._fullScreenEventName) {\n            var _document = this._document;\n            if (_document.fullscreenEnabled) {\n                this._fullScreenEventName = 'fullscreenchange';\n            }\n            else if (_document.webkitFullscreenEnabled) {\n                this._fullScreenEventName = 'webkitfullscreenchange';\n            }\n            else if (_document.mozFullScreenEnabled) {\n                this._fullScreenEventName = 'mozfullscreenchange';\n            }\n            else if (_document.msFullscreenEnabled) {\n                this._fullScreenEventName = 'MSFullscreenChange';\n            }\n        }\n        return this._fullScreenEventName;\n    };\n    /**\n     * When the page is put into fullscreen mode, a specific element is specified.\n     * Only that element and its children are visible when in fullscreen mode.\n     */\n    FullscreenOverlayContainer.prototype.getFullscreenElement = function () {\n        var _document = this._document;\n        return _document.fullscreenElement ||\n            _document.webkitFullscreenElement ||\n            _document.mozFullScreenElement ||\n            _document.msFullscreenElement ||\n            null;\n    };\n    FullscreenOverlayContainer.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    FullscreenOverlayContainer.ctorParameters = function () { return [\n        { type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] },\n        { type: Platform }\n    ]; };\n    FullscreenOverlayContainer.ɵprov = ɵɵdefineInjectable({ factory: function FullscreenOverlayContainer_Factory() { return new FullscreenOverlayContainer(ɵɵinject(DOCUMENT), ɵɵinject(Platform)); }, token: FullscreenOverlayContainer, providedIn: \"root\" });\n    return FullscreenOverlayContainer;\n}(OverlayContainer));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { BlockScrollStrategy, CdkConnectedOverlay, CdkOverlayOrigin, CloseScrollStrategy, ConnectedOverlayPositionChange, ConnectedPositionStrategy, ConnectionPositionPair, FlexibleConnectedPositionStrategy, FullscreenOverlayContainer, GlobalPositionStrategy, NoopScrollStrategy, OVERLAY_PROVIDERS, Overlay, OverlayConfig, OverlayContainer, OverlayKeyboardDispatcher, OverlayModule, OverlayPositionBuilder, OverlayRef, RepositionScrollStrategy, ScrollStrategyOptions, ScrollingVisibility, validateHorizontalPosition, validateVerticalPosition, OVERLAY_CONTAINER_PROVIDER_FACTORY as ɵangular_material_src_cdk_overlay_overlay_a, OVERLAY_CONTAINER_PROVIDER as ɵangular_material_src_cdk_overlay_overlay_b, CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY as ɵangular_material_src_cdk_overlay_overlay_c, CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER_FACTORY as ɵangular_material_src_cdk_overlay_overlay_d, CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER as ɵangular_material_src_cdk_overlay_overlay_e, OVERLAY_KEYBOARD_DISPATCHER_PROVIDER_FACTORY as ɵangular_material_src_cdk_overlay_overlay_f, OVERLAY_KEYBOARD_DISPATCHER_PROVIDER as ɵangular_material_src_cdk_overlay_overlay_g };\n","var BUILTIN_OBJECT = {\n    '[object Function]': true,\n    '[object RegExp]': true,\n    '[object Date]': true,\n    '[object Error]': true,\n    '[object CanvasGradient]': true,\n    '[object CanvasPattern]': true,\n    '[object Image]': true,\n    '[object Canvas]': true\n};\nvar TYPED_ARRAY = {\n    '[object Int8Array]': true,\n    '[object Uint8Array]': true,\n    '[object Uint8ClampedArray]': true,\n    '[object Int16Array]': true,\n    '[object Uint16Array]': true,\n    '[object Int32Array]': true,\n    '[object Uint32Array]': true,\n    '[object Float32Array]': true,\n    '[object Float64Array]': true\n};\nvar objToString = Object.prototype.toString;\nvar arrayProto = Array.prototype;\nvar nativeForEach = arrayProto.forEach;\nvar nativeFilter = arrayProto.filter;\nvar nativeSlice = arrayProto.slice;\nvar nativeMap = arrayProto.map;\nvar ctorFunction = function () { }.constructor;\nvar protoFunction = ctorFunction ? ctorFunction.prototype : null;\nvar methods = {};\nexport function $override(name, fn) {\n    methods[name] = fn;\n}\nvar idStart = 0x0907;\nexport function guid() {\n    return idStart++;\n}\nexport function logError() {\n    var args = [];\n    for (var _i = 0; _i < arguments.length; _i++) {\n        args[_i] = arguments[_i];\n    }\n    if (typeof console !== 'undefined') {\n        console.error.apply(console, args);\n    }\n}\nexport function clone(source) {\n    if (source == null || typeof source !== 'object') {\n        return source;\n    }\n    var result = source;\n    var typeStr = objToString.call(source);\n    if (typeStr === '[object Array]') {\n        if (!isPrimitive(source)) {\n            result = [];\n            for (var i = 0, len = source.length; i < len; i++) {\n                result[i] = clone(source[i]);\n            }\n        }\n    }\n    else if (TYPED_ARRAY[typeStr]) {\n        if (!isPrimitive(source)) {\n            var Ctor = source.constructor;\n            if (Ctor.from) {\n                result = Ctor.from(source);\n            }\n            else {\n                result = new Ctor(source.length);\n                for (var i = 0, len = source.length; i < len; i++) {\n                    result[i] = clone(source[i]);\n                }\n            }\n        }\n    }\n    else if (!BUILTIN_OBJECT[typeStr] && !isPrimitive(source) && !isDom(source)) {\n        result = {};\n        for (var key in source) {\n            if (source.hasOwnProperty(key)) {\n                result[key] = clone(source[key]);\n            }\n        }\n    }\n    return result;\n}\nexport function merge(target, source, overwrite) {\n    if (!isObject(source) || !isObject(target)) {\n        return overwrite ? clone(source) : target;\n    }\n    for (var key in source) {\n        if (source.hasOwnProperty(key)) {\n            var targetProp = target[key];\n            var sourceProp = source[key];\n            if (isObject(sourceProp)\n                && isObject(targetProp)\n                && !isArray(sourceProp)\n                && !isArray(targetProp)\n                && !isDom(sourceProp)\n                && !isDom(targetProp)\n                && !isBuiltInObject(sourceProp)\n                && !isBuiltInObject(targetProp)\n                && !isPrimitive(sourceProp)\n                && !isPrimitive(targetProp)) {\n                merge(targetProp, sourceProp, overwrite);\n            }\n            else if (overwrite || !(key in target)) {\n                target[key] = clone(source[key]);\n            }\n        }\n    }\n    return target;\n}\nexport function mergeAll(targetAndSources, overwrite) {\n    var result = targetAndSources[0];\n    for (var i = 1, len = targetAndSources.length; i < len; i++) {\n        result = merge(result, targetAndSources[i], overwrite);\n    }\n    return result;\n}\nexport function extend(target, source) {\n    if (Object.assign) {\n        Object.assign(target, source);\n    }\n    else {\n        for (var key in source) {\n            if (source.hasOwnProperty(key)) {\n                target[key] = source[key];\n            }\n        }\n    }\n    return target;\n}\nexport function defaults(target, source, overlay) {\n    var keysArr = keys(source);\n    for (var i = 0; i < keysArr.length; i++) {\n        var key = keysArr[i];\n        if ((overlay ? source[key] != null : target[key] == null)) {\n            target[key] = source[key];\n        }\n    }\n    return target;\n}\nexport var createCanvas = function () {\n    return methods.createCanvas();\n};\nmethods.createCanvas = function () {\n    return document.createElement('canvas');\n};\nexport function indexOf(array, value) {\n    if (array) {\n        if (array.indexOf) {\n            return array.indexOf(value);\n        }\n        for (var i = 0, len = array.length; i < len; i++) {\n            if (array[i] === value) {\n                return i;\n            }\n        }\n    }\n    return -1;\n}\nexport function inherits(clazz, baseClazz) {\n    var clazzPrototype = clazz.prototype;\n    function F() { }\n    F.prototype = baseClazz.prototype;\n    clazz.prototype = new F();\n    for (var prop in clazzPrototype) {\n        if (clazzPrototype.hasOwnProperty(prop)) {\n            clazz.prototype[prop] = clazzPrototype[prop];\n        }\n    }\n    clazz.prototype.constructor = clazz;\n    clazz.superClass = baseClazz;\n}\nexport function mixin(target, source, override) {\n    target = 'prototype' in target ? target.prototype : target;\n    source = 'prototype' in source ? source.prototype : source;\n    if (Object.getOwnPropertyNames) {\n        var keyList = Object.getOwnPropertyNames(source);\n        for (var i = 0; i < keyList.length; i++) {\n            var key = keyList[i];\n            if (key !== 'constructor') {\n                if ((override ? source[key] != null : target[key] == null)) {\n                    target[key] = source[key];\n                }\n            }\n        }\n    }\n    else {\n        defaults(target, source, override);\n    }\n}\nexport function isArrayLike(data) {\n    if (!data) {\n        return false;\n    }\n    if (typeof data === 'string') {\n        return false;\n    }\n    return typeof data.length === 'number';\n}\nexport function each(arr, cb, context) {\n    if (!(arr && cb)) {\n        return;\n    }\n    if (arr.forEach && arr.forEach === nativeForEach) {\n        arr.forEach(cb, context);\n    }\n    else if (arr.length === +arr.length) {\n        for (var i = 0, len = arr.length; i < len; i++) {\n            cb.call(context, arr[i], i, arr);\n        }\n    }\n    else {\n        for (var key in arr) {\n            if (arr.hasOwnProperty(key)) {\n                cb.call(context, arr[key], key, arr);\n            }\n        }\n    }\n}\nexport function map(arr, cb, context) {\n    if (!arr) {\n        return [];\n    }\n    if (!cb) {\n        return slice(arr);\n    }\n    if (arr.map && arr.map === nativeMap) {\n        return arr.map(cb, context);\n    }\n    else {\n        var result = [];\n        for (var i = 0, len = arr.length; i < len; i++) {\n            result.push(cb.call(context, arr[i], i, arr));\n        }\n        return result;\n    }\n}\nexport function reduce(arr, cb, memo, context) {\n    if (!(arr && cb)) {\n        return;\n    }\n    for (var i = 0, len = arr.length; i < len; i++) {\n        memo = cb.call(context, memo, arr[i], i, arr);\n    }\n    return memo;\n}\nexport function filter(arr, cb, context) {\n    if (!arr) {\n        return [];\n    }\n    if (!cb) {\n        return slice(arr);\n    }\n    if (arr.filter && arr.filter === nativeFilter) {\n        return arr.filter(cb, context);\n    }\n    else {\n        var result = [];\n        for (var i = 0, len = arr.length; i < len; i++) {\n            if (cb.call(context, arr[i], i, arr)) {\n                result.push(arr[i]);\n            }\n        }\n        return result;\n    }\n}\nexport function find(arr, cb, context) {\n    if (!(arr && cb)) {\n        return;\n    }\n    for (var i = 0, len = arr.length; i < len; i++) {\n        if (cb.call(context, arr[i], i, arr)) {\n            return arr[i];\n        }\n    }\n}\nexport function keys(obj) {\n    if (!obj) {\n        return [];\n    }\n    if (Object.keys) {\n        return Object.keys(obj);\n    }\n    var keyList = [];\n    for (var key in obj) {\n        if (obj.hasOwnProperty(key)) {\n            keyList.push(key);\n        }\n    }\n    return keyList;\n}\nfunction bindPolyfill(func, context) {\n    var args = [];\n    for (var _i = 2; _i < arguments.length; _i++) {\n        args[_i - 2] = arguments[_i];\n    }\n    return function () {\n        return func.apply(context, args.concat(nativeSlice.call(arguments)));\n    };\n}\nexport var bind = (protoFunction && isFunction(protoFunction.bind))\n    ? protoFunction.call.bind(protoFunction.bind)\n    : bindPolyfill;\nfunction curry(func) {\n    var args = [];\n    for (var _i = 1; _i < arguments.length; _i++) {\n        args[_i - 1] = arguments[_i];\n    }\n    return function () {\n        return func.apply(this, args.concat(nativeSlice.call(arguments)));\n    };\n}\nexport { curry };\nexport function isArray(value) {\n    if (Array.isArray) {\n        return Array.isArray(value);\n    }\n    return objToString.call(value) === '[object Array]';\n}\nexport function isFunction(value) {\n    return typeof value === 'function';\n}\nexport function isString(value) {\n    return typeof value === 'string';\n}\nexport function isStringSafe(value) {\n    return objToString.call(value) === '[object String]';\n}\nexport function isNumber(value) {\n    return typeof value === 'number';\n}\nexport function isObject(value) {\n    var type = typeof value;\n    return type === 'function' || (!!value && type === 'object');\n}\nexport function isBuiltInObject(value) {\n    return !!BUILTIN_OBJECT[objToString.call(value)];\n}\nexport function isTypedArray(value) {\n    return !!TYPED_ARRAY[objToString.call(value)];\n}\nexport function isDom(value) {\n    return typeof value === 'object'\n        && typeof value.nodeType === 'number'\n        && typeof value.ownerDocument === 'object';\n}\nexport function isGradientObject(value) {\n    return value.colorStops != null;\n}\nexport function isPatternObject(value) {\n    return value.image != null;\n}\nexport function isRegExp(value) {\n    return objToString.call(value) === '[object RegExp]';\n}\nexport function eqNaN(value) {\n    return value !== value;\n}\nexport function retrieve() {\n    var args = [];\n    for (var _i = 0; _i < arguments.length; _i++) {\n        args[_i] = arguments[_i];\n    }\n    for (var i = 0, len = args.length; i < len; i++) {\n        if (args[i] != null) {\n            return args[i];\n        }\n    }\n}\nexport function retrieve2(value0, value1) {\n    return value0 != null\n        ? value0\n        : value1;\n}\nexport function retrieve3(value0, value1, value2) {\n    return value0 != null\n        ? value0\n        : value1 != null\n            ? value1\n            : value2;\n}\nexport function slice(arr) {\n    var args = [];\n    for (var _i = 1; _i < arguments.length; _i++) {\n        args[_i - 1] = arguments[_i];\n    }\n    return nativeSlice.apply(arr, args);\n}\nexport function normalizeCssArray(val) {\n    if (typeof (val) === 'number') {\n        return [val, val, val, val];\n    }\n    var len = val.length;\n    if (len === 2) {\n        return [val[0], val[1], val[0], val[1]];\n    }\n    else if (len === 3) {\n        return [val[0], val[1], val[2], val[1]];\n    }\n    return val;\n}\nexport function assert(condition, message) {\n    if (!condition) {\n        throw new Error(message);\n    }\n}\nexport function trim(str) {\n    if (str == null) {\n        return null;\n    }\n    else if (typeof str.trim === 'function') {\n        return str.trim();\n    }\n    else {\n        return str.replace(/^[\\s\\uFEFF\\xA0]+|[\\s\\uFEFF\\xA0]+$/g, '');\n    }\n}\nvar primitiveKey = '__ec_primitive__';\nexport function setAsPrimitive(obj) {\n    obj[primitiveKey] = true;\n}\nexport function isPrimitive(obj) {\n    return obj[primitiveKey];\n}\nvar HashMap = (function () {\n    function HashMap(obj) {\n        this.data = {};\n        var isArr = isArray(obj);\n        this.data = {};\n        var thisMap = this;\n        (obj instanceof HashMap)\n            ? obj.each(visit)\n            : (obj && each(obj, visit));\n        function visit(value, key) {\n            isArr ? thisMap.set(value, key) : thisMap.set(key, value);\n        }\n    }\n    HashMap.prototype.get = function (key) {\n        return this.data.hasOwnProperty(key) ? this.data[key] : null;\n    };\n    HashMap.prototype.set = function (key, value) {\n        return (this.data[key] = value);\n    };\n    HashMap.prototype.each = function (cb, context) {\n        for (var key in this.data) {\n            if (this.data.hasOwnProperty(key)) {\n                cb.call(context, this.data[key], key);\n            }\n        }\n    };\n    HashMap.prototype.keys = function () {\n        return keys(this.data);\n    };\n    HashMap.prototype.removeKey = function (key) {\n        delete this.data[key];\n    };\n    return HashMap;\n}());\nexport { HashMap };\nexport function createHashMap(obj) {\n    return new HashMap(obj);\n}\nexport function concatArray(a, b) {\n    var newArray = new a.constructor(a.length + b.length);\n    for (var i = 0; i < a.length; i++) {\n        newArray[i] = a[i];\n    }\n    var offset = a.length;\n    for (var i = 0; i < b.length; i++) {\n        newArray[i + offset] = b[i];\n    }\n    return newArray;\n}\nexport function createObject(proto, properties) {\n    var obj;\n    if (Object.create) {\n        obj = Object.create(proto);\n    }\n    else {\n        var StyleCtor = function () { };\n        StyleCtor.prototype = proto;\n        obj = new StyleCtor();\n    }\n    if (properties) {\n        extend(obj, properties);\n    }\n    return obj;\n}\nexport function hasOwn(own, prop) {\n    return own.hasOwnProperty(prop);\n}\nexport function noop() { }\n","/**\r\n * A collection of shims that provide minimal functionality of the ES6 collections.\r\n *\r\n * These implementations are not meant to be used outside of the ResizeObserver\r\n * modules as they cover only a limited range of use cases.\r\n */\r\n/* eslint-disable require-jsdoc, valid-jsdoc */\r\nvar MapShim = (function () {\r\n    if (typeof Map !== 'undefined') {\r\n        return Map;\r\n    }\r\n    /**\r\n     * Returns index in provided array that matches the specified key.\r\n     *\r\n     * @param {Array<Array>} arr\r\n     * @param {*} key\r\n     * @returns {number}\r\n     */\r\n    function getIndex(arr, key) {\r\n        var result = -1;\r\n        arr.some(function (entry, index) {\r\n            if (entry[0] === key) {\r\n                result = index;\r\n                return true;\r\n            }\r\n            return false;\r\n        });\r\n        return result;\r\n    }\r\n    return /** @class */ (function () {\r\n        function class_1() {\r\n            this.__entries__ = [];\r\n        }\r\n        Object.defineProperty(class_1.prototype, \"size\", {\r\n            /**\r\n             * @returns {boolean}\r\n             */\r\n            get: function () {\r\n                return this.__entries__.length;\r\n            },\r\n            enumerable: true,\r\n            configurable: true\r\n        });\r\n        /**\r\n         * @param {*} key\r\n         * @returns {*}\r\n         */\r\n        class_1.prototype.get = function (key) {\r\n            var index = getIndex(this.__entries__, key);\r\n            var entry = this.__entries__[index];\r\n            return entry && entry[1];\r\n        };\r\n        /**\r\n         * @param {*} key\r\n         * @param {*} value\r\n         * @returns {void}\r\n         */\r\n        class_1.prototype.set = function (key, value) {\r\n            var index = getIndex(this.__entries__, key);\r\n            if (~index) {\r\n                this.__entries__[index][1] = value;\r\n            }\r\n            else {\r\n                this.__entries__.push([key, value]);\r\n            }\r\n        };\r\n        /**\r\n         * @param {*} key\r\n         * @returns {void}\r\n         */\r\n        class_1.prototype.delete = function (key) {\r\n            var entries = this.__entries__;\r\n            var index = getIndex(entries, key);\r\n            if (~index) {\r\n                entries.splice(index, 1);\r\n            }\r\n        };\r\n        /**\r\n         * @param {*} key\r\n         * @returns {void}\r\n         */\r\n        class_1.prototype.has = function (key) {\r\n            return !!~getIndex(this.__entries__, key);\r\n        };\r\n        /**\r\n         * @returns {void}\r\n         */\r\n        class_1.prototype.clear = function () {\r\n            this.__entries__.splice(0);\r\n        };\r\n        /**\r\n         * @param {Function} callback\r\n         * @param {*} [ctx=null]\r\n         * @returns {void}\r\n         */\r\n        class_1.prototype.forEach = function (callback, ctx) {\r\n            if (ctx === void 0) { ctx = null; }\r\n            for (var _i = 0, _a = this.__entries__; _i < _a.length; _i++) {\r\n                var entry = _a[_i];\r\n                callback.call(ctx, entry[1], entry[0]);\r\n            }\r\n        };\r\n        return class_1;\r\n    }());\r\n})();\n\n/**\r\n * Detects whether window and document objects are available in current environment.\r\n */\r\nvar isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined' && window.document === document;\n\n// Returns global object of a current environment.\r\nvar global$1 = (function () {\r\n    if (typeof global !== 'undefined' && global.Math === Math) {\r\n        return global;\r\n    }\r\n    if (typeof self !== 'undefined' && self.Math === Math) {\r\n        return self;\r\n    }\r\n    if (typeof window !== 'undefined' && window.Math === Math) {\r\n        return window;\r\n    }\r\n    // eslint-disable-next-line no-new-func\r\n    return Function('return this')();\r\n})();\n\n/**\r\n * A shim for the requestAnimationFrame which falls back to the setTimeout if\r\n * first one is not supported.\r\n *\r\n * @returns {number} Requests' identifier.\r\n */\r\nvar requestAnimationFrame$1 = (function () {\r\n    if (typeof requestAnimationFrame === 'function') {\r\n        // It's required to use a bounded function because IE sometimes throws\r\n        // an \"Invalid calling object\" error if rAF is invoked without the global\r\n        // object on the left hand side.\r\n        return requestAnimationFrame.bind(global$1);\r\n    }\r\n    return function (callback) { return setTimeout(function () { return callback(Date.now()); }, 1000 / 60); };\r\n})();\n\n// Defines minimum timeout before adding a trailing call.\r\nvar trailingTimeout = 2;\r\n/**\r\n * Creates a wrapper function which ensures that provided callback will be\r\n * invoked only once during the specified delay period.\r\n *\r\n * @param {Function} callback - Function to be invoked after the delay period.\r\n * @param {number} delay - Delay after which to invoke callback.\r\n * @returns {Function}\r\n */\r\nfunction throttle (callback, delay) {\r\n    var leadingCall = false, trailingCall = false, lastCallTime = 0;\r\n    /**\r\n     * Invokes the original callback function and schedules new invocation if\r\n     * the \"proxy\" was called during current request.\r\n     *\r\n     * @returns {void}\r\n     */\r\n    function resolvePending() {\r\n        if (leadingCall) {\r\n            leadingCall = false;\r\n            callback();\r\n        }\r\n        if (trailingCall) {\r\n            proxy();\r\n        }\r\n    }\r\n    /**\r\n     * Callback invoked after the specified delay. It will further postpone\r\n     * invocation of the original function delegating it to the\r\n     * requestAnimationFrame.\r\n     *\r\n     * @returns {void}\r\n     */\r\n    function timeoutCallback() {\r\n        requestAnimationFrame$1(resolvePending);\r\n    }\r\n    /**\r\n     * Schedules invocation of the original function.\r\n     *\r\n     * @returns {void}\r\n     */\r\n    function proxy() {\r\n        var timeStamp = Date.now();\r\n        if (leadingCall) {\r\n            // Reject immediately following calls.\r\n            if (timeStamp - lastCallTime < trailingTimeout) {\r\n                return;\r\n            }\r\n            // Schedule new call to be in invoked when the pending one is resolved.\r\n            // This is important for \"transitions\" which never actually start\r\n            // immediately so there is a chance that we might miss one if change\r\n            // happens amids the pending invocation.\r\n            trailingCall = true;\r\n        }\r\n        else {\r\n            leadingCall = true;\r\n            trailingCall = false;\r\n            setTimeout(timeoutCallback, delay);\r\n        }\r\n        lastCallTime = timeStamp;\r\n    }\r\n    return proxy;\r\n}\n\n// Minimum delay before invoking the update of observers.\r\nvar REFRESH_DELAY = 20;\r\n// A list of substrings of CSS properties used to find transition events that\r\n// might affect dimensions of observed elements.\r\nvar transitionKeys = ['top', 'right', 'bottom', 'left', 'width', 'height', 'size', 'weight'];\r\n// Check if MutationObserver is available.\r\nvar mutationObserverSupported = typeof MutationObserver !== 'undefined';\r\n/**\r\n * Singleton controller class which handles updates of ResizeObserver instances.\r\n */\r\nvar ResizeObserverController = /** @class */ (function () {\r\n    /**\r\n     * Creates a new instance of ResizeObserverController.\r\n     *\r\n     * @private\r\n     */\r\n    function ResizeObserverController() {\r\n        /**\r\n         * Indicates whether DOM listeners have been added.\r\n         *\r\n         * @private {boolean}\r\n         */\r\n        this.connected_ = false;\r\n        /**\r\n         * Tells that controller has subscribed for Mutation Events.\r\n         *\r\n         * @private {boolean}\r\n         */\r\n        this.mutationEventsAdded_ = false;\r\n        /**\r\n         * Keeps reference to the instance of MutationObserver.\r\n         *\r\n         * @private {MutationObserver}\r\n         */\r\n        this.mutationsObserver_ = null;\r\n        /**\r\n         * A list of connected observers.\r\n         *\r\n         * @private {Array<ResizeObserverSPI>}\r\n         */\r\n        this.observers_ = [];\r\n        this.onTransitionEnd_ = this.onTransitionEnd_.bind(this);\r\n        this.refresh = throttle(this.refresh.bind(this), REFRESH_DELAY);\r\n    }\r\n    /**\r\n     * Adds observer to observers list.\r\n     *\r\n     * @param {ResizeObserverSPI} observer - Observer to be added.\r\n     * @returns {void}\r\n     */\r\n    ResizeObserverController.prototype.addObserver = function (observer) {\r\n        if (!~this.observers_.indexOf(observer)) {\r\n            this.observers_.push(observer);\r\n        }\r\n        // Add listeners if they haven't been added yet.\r\n        if (!this.connected_) {\r\n            this.connect_();\r\n        }\r\n    };\r\n    /**\r\n     * Removes observer from observers list.\r\n     *\r\n     * @param {ResizeObserverSPI} observer - Observer to be removed.\r\n     * @returns {void}\r\n     */\r\n    ResizeObserverController.prototype.removeObserver = function (observer) {\r\n        var observers = this.observers_;\r\n        var index = observers.indexOf(observer);\r\n        // Remove observer if it's present in registry.\r\n        if (~index) {\r\n            observers.splice(index, 1);\r\n        }\r\n        // Remove listeners if controller has no connected observers.\r\n        if (!observers.length && this.connected_) {\r\n            this.disconnect_();\r\n        }\r\n    };\r\n    /**\r\n     * Invokes the update of observers. It will continue running updates insofar\r\n     * it detects changes.\r\n     *\r\n     * @returns {void}\r\n     */\r\n    ResizeObserverController.prototype.refresh = function () {\r\n        var changesDetected = this.updateObservers_();\r\n        // Continue running updates if changes have been detected as there might\r\n        // be future ones caused by CSS transitions.\r\n        if (changesDetected) {\r\n            this.refresh();\r\n        }\r\n    };\r\n    /**\r\n     * Updates every observer from observers list and notifies them of queued\r\n     * entries.\r\n     *\r\n     * @private\r\n     * @returns {boolean} Returns \"true\" if any observer has detected changes in\r\n     *      dimensions of it's elements.\r\n     */\r\n    ResizeObserverController.prototype.updateObservers_ = function () {\r\n        // Collect observers that have active observations.\r\n        var activeObservers = this.observers_.filter(function (observer) {\r\n            return observer.gatherActive(), observer.hasActive();\r\n        });\r\n        // Deliver notifications in a separate cycle in order to avoid any\r\n        // collisions between observers, e.g. when multiple instances of\r\n        // ResizeObserver are tracking the same element and the callback of one\r\n        // of them changes content dimensions of the observed target. Sometimes\r\n        // this may result in notifications being blocked for the rest of observers.\r\n        activeObservers.forEach(function (observer) { return observer.broadcastActive(); });\r\n        return activeObservers.length > 0;\r\n    };\r\n    /**\r\n     * Initializes DOM listeners.\r\n     *\r\n     * @private\r\n     * @returns {void}\r\n     */\r\n    ResizeObserverController.prototype.connect_ = function () {\r\n        // Do nothing if running in a non-browser environment or if listeners\r\n        // have been already added.\r\n        if (!isBrowser || this.connected_) {\r\n            return;\r\n        }\r\n        // Subscription to the \"Transitionend\" event is used as a workaround for\r\n        // delayed transitions. This way it's possible to capture at least the\r\n        // final state of an element.\r\n        document.addEventListener('transitionend', this.onTransitionEnd_);\r\n        window.addEventListener('resize', this.refresh);\r\n        if (mutationObserverSupported) {\r\n            this.mutationsObserver_ = new MutationObserver(this.refresh);\r\n            this.mutationsObserver_.observe(document, {\r\n                attributes: true,\r\n                childList: true,\r\n                characterData: true,\r\n                subtree: true\r\n            });\r\n        }\r\n        else {\r\n            document.addEventListener('DOMSubtreeModified', this.refresh);\r\n            this.mutationEventsAdded_ = true;\r\n        }\r\n        this.connected_ = true;\r\n    };\r\n    /**\r\n     * Removes DOM listeners.\r\n     *\r\n     * @private\r\n     * @returns {void}\r\n     */\r\n    ResizeObserverController.prototype.disconnect_ = function () {\r\n        // Do nothing if running in a non-browser environment or if listeners\r\n        // have been already removed.\r\n        if (!isBrowser || !this.connected_) {\r\n            return;\r\n        }\r\n        document.removeEventListener('transitionend', this.onTransitionEnd_);\r\n        window.removeEventListener('resize', this.refresh);\r\n        if (this.mutationsObserver_) {\r\n            this.mutationsObserver_.disconnect();\r\n        }\r\n        if (this.mutationEventsAdded_) {\r\n            document.removeEventListener('DOMSubtreeModified', this.refresh);\r\n        }\r\n        this.mutationsObserver_ = null;\r\n        this.mutationEventsAdded_ = false;\r\n        this.connected_ = false;\r\n    };\r\n    /**\r\n     * \"Transitionend\" event handler.\r\n     *\r\n     * @private\r\n     * @param {TransitionEvent} event\r\n     * @returns {void}\r\n     */\r\n    ResizeObserverController.prototype.onTransitionEnd_ = function (_a) {\r\n        var _b = _a.propertyName, propertyName = _b === void 0 ? '' : _b;\r\n        // Detect whether transition may affect dimensions of an element.\r\n        var isReflowProperty = transitionKeys.some(function (key) {\r\n            return !!~propertyName.indexOf(key);\r\n        });\r\n        if (isReflowProperty) {\r\n            this.refresh();\r\n        }\r\n    };\r\n    /**\r\n     * Returns instance of the ResizeObserverController.\r\n     *\r\n     * @returns {ResizeObserverController}\r\n     */\r\n    ResizeObserverController.getInstance = function () {\r\n        if (!this.instance_) {\r\n            this.instance_ = new ResizeObserverController();\r\n        }\r\n        return this.instance_;\r\n    };\r\n    /**\r\n     * Holds reference to the controller's instance.\r\n     *\r\n     * @private {ResizeObserverController}\r\n     */\r\n    ResizeObserverController.instance_ = null;\r\n    return ResizeObserverController;\r\n}());\n\n/**\r\n * Defines non-writable/enumerable properties of the provided target object.\r\n *\r\n * @param {Object} target - Object for which to define properties.\r\n * @param {Object} props - Properties to be defined.\r\n * @returns {Object} Target object.\r\n */\r\nvar defineConfigurable = (function (target, props) {\r\n    for (var _i = 0, _a = Object.keys(props); _i < _a.length; _i++) {\r\n        var key = _a[_i];\r\n        Object.defineProperty(target, key, {\r\n            value: props[key],\r\n            enumerable: false,\r\n            writable: false,\r\n            configurable: true\r\n        });\r\n    }\r\n    return target;\r\n});\n\n/**\r\n * Returns the global object associated with provided element.\r\n *\r\n * @param {Object} target\r\n * @returns {Object}\r\n */\r\nvar getWindowOf = (function (target) {\r\n    // Assume that the element is an instance of Node, which means that it\r\n    // has the \"ownerDocument\" property from which we can retrieve a\r\n    // corresponding global object.\r\n    var ownerGlobal = target && target.ownerDocument && target.ownerDocument.defaultView;\r\n    // Return the local global object if it's not possible extract one from\r\n    // provided element.\r\n    return ownerGlobal || global$1;\r\n});\n\n// Placeholder of an empty content rectangle.\r\nvar emptyRect = createRectInit(0, 0, 0, 0);\r\n/**\r\n * Converts provided string to a number.\r\n *\r\n * @param {number|string} value\r\n * @returns {number}\r\n */\r\nfunction toFloat(value) {\r\n    return parseFloat(value) || 0;\r\n}\r\n/**\r\n * Extracts borders size from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @param {...string} positions - Borders positions (top, right, ...)\r\n * @returns {number}\r\n */\r\nfunction getBordersSize(styles) {\r\n    var positions = [];\r\n    for (var _i = 1; _i < arguments.length; _i++) {\r\n        positions[_i - 1] = arguments[_i];\r\n    }\r\n    return positions.reduce(function (size, position) {\r\n        var value = styles['border-' + position + '-width'];\r\n        return size + toFloat(value);\r\n    }, 0);\r\n}\r\n/**\r\n * Extracts paddings sizes from provided styles.\r\n *\r\n * @param {CSSStyleDeclaration} styles\r\n * @returns {Object} Paddings box.\r\n */\r\nfunction getPaddings(styles) {\r\n    var positions = ['top', 'right', 'bottom', 'left'];\r\n    var paddings = {};\r\n    for (var _i = 0, positions_1 = positions; _i < positions_1.length; _i++) {\r\n        var position = positions_1[_i];\r\n        var value = styles['padding-' + position];\r\n        paddings[position] = toFloat(value);\r\n    }\r\n    return paddings;\r\n}\r\n/**\r\n * Calculates content rectangle of provided SVG element.\r\n *\r\n * @param {SVGGraphicsElement} target - Element content rectangle of which needs\r\n *      to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getSVGContentRect(target) {\r\n    var bbox = target.getBBox();\r\n    return createRectInit(0, 0, bbox.width, bbox.height);\r\n}\r\n/**\r\n * Calculates content rectangle of provided HTMLElement.\r\n *\r\n * @param {HTMLElement} target - Element for which to calculate the content rectangle.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getHTMLElementContentRect(target) {\r\n    // Client width & height properties can't be\r\n    // used exclusively as they provide rounded values.\r\n    var clientWidth = target.clientWidth, clientHeight = target.clientHeight;\r\n    // By this condition we can catch all non-replaced inline, hidden and\r\n    // detached elements. Though elements with width & height properties less\r\n    // than 0.5 will be discarded as well.\r\n    //\r\n    // Without it we would need to implement separate methods for each of\r\n    // those cases and it's not possible to perform a precise and performance\r\n    // effective test for hidden elements. E.g. even jQuery's ':visible' filter\r\n    // gives wrong results for elements with width & height less than 0.5.\r\n    if (!clientWidth && !clientHeight) {\r\n        return emptyRect;\r\n    }\r\n    var styles = getWindowOf(target).getComputedStyle(target);\r\n    var paddings = getPaddings(styles);\r\n    var horizPad = paddings.left + paddings.right;\r\n    var vertPad = paddings.top + paddings.bottom;\r\n    // Computed styles of width & height are being used because they are the\r\n    // only dimensions available to JS that contain non-rounded values. It could\r\n    // be possible to utilize the getBoundingClientRect if only it's data wasn't\r\n    // affected by CSS transformations let alone paddings, borders and scroll bars.\r\n    var width = toFloat(styles.width), height = toFloat(styles.height);\r\n    // Width & height include paddings and borders when the 'border-box' box\r\n    // model is applied (except for IE).\r\n    if (styles.boxSizing === 'border-box') {\r\n        // Following conditions are required to handle Internet Explorer which\r\n        // doesn't include paddings and borders to computed CSS dimensions.\r\n        //\r\n        // We can say that if CSS dimensions + paddings are equal to the \"client\"\r\n        // properties then it's either IE, and thus we don't need to subtract\r\n        // anything, or an element merely doesn't have paddings/borders styles.\r\n        if (Math.round(width + horizPad) !== clientWidth) {\r\n            width -= getBordersSize(styles, 'left', 'right') + horizPad;\r\n        }\r\n        if (Math.round(height + vertPad) !== clientHeight) {\r\n            height -= getBordersSize(styles, 'top', 'bottom') + vertPad;\r\n        }\r\n    }\r\n    // Following steps can't be applied to the document's root element as its\r\n    // client[Width/Height] properties represent viewport area of the window.\r\n    // Besides, it's as well not necessary as the <html> itself neither has\r\n    // rendered scroll bars nor it can be clipped.\r\n    if (!isDocumentElement(target)) {\r\n        // In some browsers (only in Firefox, actually) CSS width & height\r\n        // include scroll bars size which can be removed at this step as scroll\r\n        // bars are the only difference between rounded dimensions + paddings\r\n        // and \"client\" properties, though that is not always true in Chrome.\r\n        var vertScrollbar = Math.round(width + horizPad) - clientWidth;\r\n        var horizScrollbar = Math.round(height + vertPad) - clientHeight;\r\n        // Chrome has a rather weird rounding of \"client\" properties.\r\n        // E.g. for an element with content width of 314.2px it sometimes gives\r\n        // the client width of 315px and for the width of 314.7px it may give\r\n        // 314px. And it doesn't happen all the time. So just ignore this delta\r\n        // as a non-relevant.\r\n        if (Math.abs(vertScrollbar) !== 1) {\r\n            width -= vertScrollbar;\r\n        }\r\n        if (Math.abs(horizScrollbar) !== 1) {\r\n            height -= horizScrollbar;\r\n        }\r\n    }\r\n    return createRectInit(paddings.left, paddings.top, width, height);\r\n}\r\n/**\r\n * Checks whether provided element is an instance of the SVGGraphicsElement.\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nvar isSVGGraphicsElement = (function () {\r\n    // Some browsers, namely IE and Edge, don't have the SVGGraphicsElement\r\n    // interface.\r\n    if (typeof SVGGraphicsElement !== 'undefined') {\r\n        return function (target) { return target instanceof getWindowOf(target).SVGGraphicsElement; };\r\n    }\r\n    // If it's so, then check that element is at least an instance of the\r\n    // SVGElement and that it has the \"getBBox\" method.\r\n    // eslint-disable-next-line no-extra-parens\r\n    return function (target) { return (target instanceof getWindowOf(target).SVGElement &&\r\n        typeof target.getBBox === 'function'); };\r\n})();\r\n/**\r\n * Checks whether provided element is a document element (<html>).\r\n *\r\n * @param {Element} target - Element to be checked.\r\n * @returns {boolean}\r\n */\r\nfunction isDocumentElement(target) {\r\n    return target === getWindowOf(target).document.documentElement;\r\n}\r\n/**\r\n * Calculates an appropriate content rectangle for provided html or svg element.\r\n *\r\n * @param {Element} target - Element content rectangle of which needs to be calculated.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction getContentRect(target) {\r\n    if (!isBrowser) {\r\n        return emptyRect;\r\n    }\r\n    if (isSVGGraphicsElement(target)) {\r\n        return getSVGContentRect(target);\r\n    }\r\n    return getHTMLElementContentRect(target);\r\n}\r\n/**\r\n * Creates rectangle with an interface of the DOMRectReadOnly.\r\n * Spec: https://drafts.fxtf.org/geometry/#domrectreadonly\r\n *\r\n * @param {DOMRectInit} rectInit - Object with rectangle's x/y coordinates and dimensions.\r\n * @returns {DOMRectReadOnly}\r\n */\r\nfunction createReadOnlyRect(_a) {\r\n    var x = _a.x, y = _a.y, width = _a.width, height = _a.height;\r\n    // If DOMRectReadOnly is available use it as a prototype for the rectangle.\r\n    var Constr = typeof DOMRectReadOnly !== 'undefined' ? DOMRectReadOnly : Object;\r\n    var rect = Object.create(Constr.prototype);\r\n    // Rectangle's properties are not writable and non-enumerable.\r\n    defineConfigurable(rect, {\r\n        x: x, y: y, width: width, height: height,\r\n        top: y,\r\n        right: x + width,\r\n        bottom: height + y,\r\n        left: x\r\n    });\r\n    return rect;\r\n}\r\n/**\r\n * Creates DOMRectInit object based on the provided dimensions and the x/y coordinates.\r\n * Spec: https://drafts.fxtf.org/geometry/#dictdef-domrectinit\r\n *\r\n * @param {number} x - X coordinate.\r\n * @param {number} y - Y coordinate.\r\n * @param {number} width - Rectangle's width.\r\n * @param {number} height - Rectangle's height.\r\n * @returns {DOMRectInit}\r\n */\r\nfunction createRectInit(x, y, width, height) {\r\n    return { x: x, y: y, width: width, height: height };\r\n}\n\n/**\r\n * Class that is responsible for computations of the content rectangle of\r\n * provided DOM element and for keeping track of it's changes.\r\n */\r\nvar ResizeObservation = /** @class */ (function () {\r\n    /**\r\n     * Creates an instance of ResizeObservation.\r\n     *\r\n     * @param {Element} target - Element to be observed.\r\n     */\r\n    function ResizeObservation(target) {\r\n        /**\r\n         * Broadcasted width of content rectangle.\r\n         *\r\n         * @type {number}\r\n         */\r\n        this.broadcastWidth = 0;\r\n        /**\r\n         * Broadcasted height of content rectangle.\r\n         *\r\n         * @type {number}\r\n         */\r\n        this.broadcastHeight = 0;\r\n        /**\r\n         * Reference to the last observed content rectangle.\r\n         *\r\n         * @private {DOMRectInit}\r\n         */\r\n        this.contentRect_ = createRectInit(0, 0, 0, 0);\r\n        this.target = target;\r\n    }\r\n    /**\r\n     * Updates content rectangle and tells whether it's width or height properties\r\n     * have changed since the last broadcast.\r\n     *\r\n     * @returns {boolean}\r\n     */\r\n    ResizeObservation.prototype.isActive = function () {\r\n        var rect = getContentRect(this.target);\r\n        this.contentRect_ = rect;\r\n        return (rect.width !== this.broadcastWidth ||\r\n            rect.height !== this.broadcastHeight);\r\n    };\r\n    /**\r\n     * Updates 'broadcastWidth' and 'broadcastHeight' properties with a data\r\n     * from the corresponding properties of the last observed content rectangle.\r\n     *\r\n     * @returns {DOMRectInit} Last observed content rectangle.\r\n     */\r\n    ResizeObservation.prototype.broadcastRect = function () {\r\n        var rect = this.contentRect_;\r\n        this.broadcastWidth = rect.width;\r\n        this.broadcastHeight = rect.height;\r\n        return rect;\r\n    };\r\n    return ResizeObservation;\r\n}());\n\nvar ResizeObserverEntry = /** @class */ (function () {\r\n    /**\r\n     * Creates an instance of ResizeObserverEntry.\r\n     *\r\n     * @param {Element} target - Element that is being observed.\r\n     * @param {DOMRectInit} rectInit - Data of the element's content rectangle.\r\n     */\r\n    function ResizeObserverEntry(target, rectInit) {\r\n        var contentRect = createReadOnlyRect(rectInit);\r\n        // According to the specification following properties are not writable\r\n        // and are also not enumerable in the native implementation.\r\n        //\r\n        // Property accessors are not being used as they'd require to define a\r\n        // private WeakMap storage which may cause memory leaks in browsers that\r\n        // don't support this type of collections.\r\n        defineConfigurable(this, { target: target, contentRect: contentRect });\r\n    }\r\n    return ResizeObserverEntry;\r\n}());\n\nvar ResizeObserverSPI = /** @class */ (function () {\r\n    /**\r\n     * Creates a new instance of ResizeObserver.\r\n     *\r\n     * @param {ResizeObserverCallback} callback - Callback function that is invoked\r\n     *      when one of the observed elements changes it's content dimensions.\r\n     * @param {ResizeObserverController} controller - Controller instance which\r\n     *      is responsible for the updates of observer.\r\n     * @param {ResizeObserver} callbackCtx - Reference to the public\r\n     *      ResizeObserver instance which will be passed to callback function.\r\n     */\r\n    function ResizeObserverSPI(callback, controller, callbackCtx) {\r\n        /**\r\n         * Collection of resize observations that have detected changes in dimensions\r\n         * of elements.\r\n         *\r\n         * @private {Array<ResizeObservation>}\r\n         */\r\n        this.activeObservations_ = [];\r\n        /**\r\n         * Registry of the ResizeObservation instances.\r\n         *\r\n         * @private {Map<Element, ResizeObservation>}\r\n         */\r\n        this.observations_ = new MapShim();\r\n        if (typeof callback !== 'function') {\r\n            throw new TypeError('The callback provided as parameter 1 is not a function.');\r\n        }\r\n        this.callback_ = callback;\r\n        this.controller_ = controller;\r\n        this.callbackCtx_ = callbackCtx;\r\n    }\r\n    /**\r\n     * Starts observing provided element.\r\n     *\r\n     * @param {Element} target - Element to be observed.\r\n     * @returns {void}\r\n     */\r\n    ResizeObserverSPI.prototype.observe = function (target) {\r\n        if (!arguments.length) {\r\n            throw new TypeError('1 argument required, but only 0 present.');\r\n        }\r\n        // Do nothing if current environment doesn't have the Element interface.\r\n        if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n            return;\r\n        }\r\n        if (!(target instanceof getWindowOf(target).Element)) {\r\n            throw new TypeError('parameter 1 is not of type \"Element\".');\r\n        }\r\n        var observations = this.observations_;\r\n        // Do nothing if element is already being observed.\r\n        if (observations.has(target)) {\r\n            return;\r\n        }\r\n        observations.set(target, new ResizeObservation(target));\r\n        this.controller_.addObserver(this);\r\n        // Force the update of observations.\r\n        this.controller_.refresh();\r\n    };\r\n    /**\r\n     * Stops observing provided element.\r\n     *\r\n     * @param {Element} target - Element to stop observing.\r\n     * @returns {void}\r\n     */\r\n    ResizeObserverSPI.prototype.unobserve = function (target) {\r\n        if (!arguments.length) {\r\n            throw new TypeError('1 argument required, but only 0 present.');\r\n        }\r\n        // Do nothing if current environment doesn't have the Element interface.\r\n        if (typeof Element === 'undefined' || !(Element instanceof Object)) {\r\n            return;\r\n        }\r\n        if (!(target instanceof getWindowOf(target).Element)) {\r\n            throw new TypeError('parameter 1 is not of type \"Element\".');\r\n        }\r\n        var observations = this.observations_;\r\n        // Do nothing if element is not being observed.\r\n        if (!observations.has(target)) {\r\n            return;\r\n        }\r\n        observations.delete(target);\r\n        if (!observations.size) {\r\n            this.controller_.removeObserver(this);\r\n        }\r\n    };\r\n    /**\r\n     * Stops observing all elements.\r\n     *\r\n     * @returns {void}\r\n     */\r\n    ResizeObserverSPI.prototype.disconnect = function () {\r\n        this.clearActive();\r\n        this.observations_.clear();\r\n        this.controller_.removeObserver(this);\r\n    };\r\n    /**\r\n     * Collects observation instances the associated element of which has changed\r\n     * it's content rectangle.\r\n     *\r\n     * @returns {void}\r\n     */\r\n    ResizeObserverSPI.prototype.gatherActive = function () {\r\n        var _this = this;\r\n        this.clearActive();\r\n        this.observations_.forEach(function (observation) {\r\n            if (observation.isActive()) {\r\n                _this.activeObservations_.push(observation);\r\n            }\r\n        });\r\n    };\r\n    /**\r\n     * Invokes initial callback function with a list of ResizeObserverEntry\r\n     * instances collected from active resize observations.\r\n     *\r\n     * @returns {void}\r\n     */\r\n    ResizeObserverSPI.prototype.broadcastActive = function () {\r\n        // Do nothing if observer doesn't have active observations.\r\n        if (!this.hasActive()) {\r\n            return;\r\n        }\r\n        var ctx = this.callbackCtx_;\r\n        // Create ResizeObserverEntry instance for every active observation.\r\n        var entries = this.activeObservations_.map(function (observation) {\r\n            return new ResizeObserverEntry(observation.target, observation.broadcastRect());\r\n        });\r\n        this.callback_.call(ctx, entries, ctx);\r\n        this.clearActive();\r\n    };\r\n    /**\r\n     * Clears the collection of active observations.\r\n     *\r\n     * @returns {void}\r\n     */\r\n    ResizeObserverSPI.prototype.clearActive = function () {\r\n        this.activeObservations_.splice(0);\r\n    };\r\n    /**\r\n     * Tells whether observer has active observations.\r\n     *\r\n     * @returns {boolean}\r\n     */\r\n    ResizeObserverSPI.prototype.hasActive = function () {\r\n        return this.activeObservations_.length > 0;\r\n    };\r\n    return ResizeObserverSPI;\r\n}());\n\n// Registry of internal observers. If WeakMap is not available use current shim\r\n// for the Map collection as it has all required methods and because WeakMap\r\n// can't be fully polyfilled anyway.\r\nvar observers = typeof WeakMap !== 'undefined' ? new WeakMap() : new MapShim();\r\n/**\r\n * ResizeObserver API. Encapsulates the ResizeObserver SPI implementation\r\n * exposing only those methods and properties that are defined in the spec.\r\n */\r\nvar ResizeObserver = /** @class */ (function () {\r\n    /**\r\n     * Creates a new instance of ResizeObserver.\r\n     *\r\n     * @param {ResizeObserverCallback} callback - Callback that is invoked when\r\n     *      dimensions of the observed elements change.\r\n     */\r\n    function ResizeObserver(callback) {\r\n        if (!(this instanceof ResizeObserver)) {\r\n            throw new TypeError('Cannot call a class as a function.');\r\n        }\r\n        if (!arguments.length) {\r\n            throw new TypeError('1 argument required, but only 0 present.');\r\n        }\r\n        var controller = ResizeObserverController.getInstance();\r\n        var observer = new ResizeObserverSPI(callback, controller, this);\r\n        observers.set(this, observer);\r\n    }\r\n    return ResizeObserver;\r\n}());\r\n// Expose public methods of ResizeObserver.\r\n[\r\n    'observe',\r\n    'unobserve',\r\n    'disconnect'\r\n].forEach(function (method) {\r\n    ResizeObserver.prototype[method] = function () {\r\n        var _a;\r\n        return (_a = observers.get(this))[method].apply(_a, arguments);\r\n    };\r\n});\n\nvar index = (function () {\r\n    // Export existing implementation if available.\r\n    if (typeof global$1.ResizeObserver !== 'undefined') {\r\n        return global$1.ResizeObserver;\r\n    }\r\n    return ResizeObserver;\r\n})();\n\nexport default index;\n","!function() {\n  var d3 = {\n    version: \"3.5.5\"\n  };\n  var d3_arraySlice = [].slice, d3_array = function(list) {\n    return d3_arraySlice.call(list);\n  };\n  var d3_document = this.document;\n  function d3_documentElement(node) {\n    return node && (node.ownerDocument || node.document || node).documentElement;\n  }\n  function d3_window(node) {\n    return node && (node.ownerDocument && node.ownerDocument.defaultView || node.document && node || node.defaultView);\n  }\n  if (d3_document) {\n    try {\n      d3_array(d3_document.documentElement.childNodes)[0].nodeType;\n    } catch (e) {\n      d3_array = function(list) {\n        var i = list.length, array = new Array(i);\n        while (i--) array[i] = list[i];\n        return array;\n      };\n    }\n  }\n  if (!Date.now) Date.now = function() {\n    return +new Date();\n  };\n  if (d3_document) {\n    try {\n      d3_document.createElement(\"DIV\").style.setProperty(\"opacity\", 0, \"\");\n    } catch (error) {\n      var d3_element_prototype = this.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = this.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;\n      d3_element_prototype.setAttribute = function(name, value) {\n        d3_element_setAttribute.call(this, name, value + \"\");\n      };\n      d3_element_prototype.setAttributeNS = function(space, local, value) {\n        d3_element_setAttributeNS.call(this, space, local, value + \"\");\n      };\n      d3_style_prototype.setProperty = function(name, value, priority) {\n        d3_style_setProperty.call(this, name, value + \"\", priority);\n      };\n    }\n  }\n  d3.ascending = d3_ascending;\n  function d3_ascending(a, b) {\n    return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;\n  }\n  d3.descending = function(a, b) {\n    return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;\n  };\n  d3.min = function(array, f) {\n    var i = -1, n = array.length, a, b;\n    if (arguments.length === 1) {\n      while (++i < n) if ((b = array[i]) != null && b >= b) {\n        a = b;\n        break;\n      }\n      while (++i < n) if ((b = array[i]) != null && a > b) a = b;\n    } else {\n      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {\n        a = b;\n        break;\n      }\n      while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;\n    }\n    return a;\n  };\n  d3.max = function(array, f) {\n    var i = -1, n = array.length, a, b;\n    if (arguments.length === 1) {\n      while (++i < n) if ((b = array[i]) != null && b >= b) {\n        a = b;\n        break;\n      }\n      while (++i < n) if ((b = array[i]) != null && b > a) a = b;\n    } else {\n      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {\n        a = b;\n        break;\n      }\n      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;\n    }\n    return a;\n  };\n  d3.extent = function(array, f) {\n    var i = -1, n = array.length, a, b, c;\n    if (arguments.length === 1) {\n      while (++i < n) if ((b = array[i]) != null && b >= b) {\n        a = c = b;\n        break;\n      }\n      while (++i < n) if ((b = array[i]) != null) {\n        if (a > b) a = b;\n        if (c < b) c = b;\n      }\n    } else {\n      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {\n        a = c = b;\n        break;\n      }\n      while (++i < n) if ((b = f.call(array, array[i], i)) != null) {\n        if (a > b) a = b;\n        if (c < b) c = b;\n      }\n    }\n    return [ a, c ];\n  };\n  function d3_number(x) {\n    return x === null ? NaN : +x;\n  }\n  function d3_numeric(x) {\n    return !isNaN(x);\n  }\n  d3.sum = function(array, f) {\n    var s = 0, n = array.length, a, i = -1;\n    if (arguments.length === 1) {\n      while (++i < n) if (d3_numeric(a = +array[i])) s += a;\n    } else {\n      while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a;\n    }\n    return s;\n  };\n  d3.mean = function(array, f) {\n    var s = 0, n = array.length, a, i = -1, j = n;\n    if (arguments.length === 1) {\n      while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j;\n    } else {\n      while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j;\n    }\n    if (j) return s / j;\n  };\n  d3.quantile = function(values, p) {\n    var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;\n    return e ? v + e * (values[h] - v) : v;\n  };\n  d3.median = function(array, f) {\n    var numbers = [], n = array.length, a, i = -1;\n    if (arguments.length === 1) {\n      while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a);\n    } else {\n      while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a);\n    }\n    if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5);\n  };\n  d3.variance = function(array, f) {\n    var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0;\n    if (arguments.length === 1) {\n      while (++i < n) {\n        if (d3_numeric(a = d3_number(array[i]))) {\n          d = a - m;\n          m += d / ++j;\n          s += d * (a - m);\n        }\n      }\n    } else {\n      while (++i < n) {\n        if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) {\n          d = a - m;\n          m += d / ++j;\n          s += d * (a - m);\n        }\n      }\n    }\n    if (j > 1) return s / (j - 1);\n  };\n  d3.deviation = function() {\n    var v = d3.variance.apply(this, arguments);\n    return v ? Math.sqrt(v) : v;\n  };\n  function d3_bisector(compare) {\n    return {\n      left: function(a, x, lo, hi) {\n        if (arguments.length < 3) lo = 0;\n        if (arguments.length < 4) hi = a.length;\n        while (lo < hi) {\n          var mid = lo + hi >>> 1;\n          if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid;\n        }\n        return lo;\n      },\n      right: function(a, x, lo, hi) {\n        if (arguments.length < 3) lo = 0;\n        if (arguments.length < 4) hi = a.length;\n        while (lo < hi) {\n          var mid = lo + hi >>> 1;\n          if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1;\n        }\n        return lo;\n      }\n    };\n  }\n  var d3_bisect = d3_bisector(d3_ascending);\n  d3.bisectLeft = d3_bisect.left;\n  d3.bisect = d3.bisectRight = d3_bisect.right;\n  d3.bisector = function(f) {\n    return d3_bisector(f.length === 1 ? function(d, x) {\n      return d3_ascending(f(d), x);\n    } : f);\n  };\n  d3.shuffle = function(array, i0, i1) {\n    if ((m = arguments.length) < 3) {\n      i1 = array.length;\n      if (m < 2) i0 = 0;\n    }\n    var m = i1 - i0, t, i;\n    while (m) {\n      i = Math.random() * m-- | 0;\n      t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t;\n    }\n    return array;\n  };\n  d3.permute = function(array, indexes) {\n    var i = indexes.length, permutes = new Array(i);\n    while (i--) permutes[i] = array[indexes[i]];\n    return permutes;\n  };\n  d3.pairs = function(array) {\n    var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n);\n    while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ];\n    return pairs;\n  };\n  d3.zip = function() {\n    if (!(n = arguments.length)) return [];\n    for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) {\n      for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) {\n        zip[j] = arguments[j][i];\n      }\n    }\n    return zips;\n  };\n  function d3_zipLength(d) {\n    return d.length;\n  }\n  d3.transpose = function(matrix) {\n    return d3.zip.apply(d3, matrix);\n  };\n  d3.keys = function(map) {\n    var keys = [];\n    for (var key in map) keys.push(key);\n    return keys;\n  };\n  d3.values = function(map) {\n    var values = [];\n    for (var key in map) values.push(map[key]);\n    return values;\n  };\n  d3.entries = function(map) {\n    var entries = [];\n    for (var key in map) entries.push({\n      key: key,\n      value: map[key]\n    });\n    return entries;\n  };\n  d3.merge = function(arrays) {\n    var n = arrays.length, m, i = -1, j = 0, merged, array;\n    while (++i < n) j += arrays[i].length;\n    merged = new Array(j);\n    while (--n >= 0) {\n      array = arrays[n];\n      m = array.length;\n      while (--m >= 0) {\n        merged[--j] = array[m];\n      }\n    }\n    return merged;\n  };\n  var abs = Math.abs;\n  d3.range = function(start, stop, step) {\n    if (arguments.length < 3) {\n      step = 1;\n      if (arguments.length < 2) {\n        stop = start;\n        start = 0;\n      }\n    }\n    if ((stop - start) / step === Infinity) throw new Error(\"infinite range\");\n    var range = [], k = d3_range_integerScale(abs(step)), i = -1, j;\n    start *= k, stop *= k, step *= k;\n    if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);\n    return range;\n  };\n  function d3_range_integerScale(x) {\n    var k = 1;\n    while (x * k % 1) k *= 10;\n    return k;\n  }\n  function d3_class(ctor, properties) {\n    for (var key in properties) {\n      Object.defineProperty(ctor.prototype, key, {\n        value: properties[key],\n        enumerable: false\n      });\n    }\n  }\n  d3.map = function(object, f) {\n    var map = new d3_Map();\n    if (object instanceof d3_Map) {\n      object.forEach(function(key, value) {\n        map.set(key, value);\n      });\n    } else if (Array.isArray(object)) {\n      var i = -1, n = object.length, o;\n      if (arguments.length === 1) while (++i < n) map.set(i, object[i]); else while (++i < n) map.set(f.call(object, o = object[i], i), o);\n    } else {\n      for (var key in object) map.set(key, object[key]);\n    }\n    return map;\n  };\n  function d3_Map() {\n    this._ = Object.create(null);\n  }\n  var d3_map_proto = \"__proto__\", d3_map_zero = \"\\x00\";\n  d3_class(d3_Map, {\n    has: d3_map_has,\n    get: function(key) {\n      return this._[d3_map_escape(key)];\n    },\n    set: function(key, value) {\n      return this._[d3_map_escape(key)] = value;\n    },\n    remove: d3_map_remove,\n    keys: d3_map_keys,\n    values: function() {\n      var values = [];\n      for (var key in this._) values.push(this._[key]);\n      return values;\n    },\n    entries: function() {\n      var entries = [];\n      for (var key in this._) entries.push({\n        key: d3_map_unescape(key),\n        value: this._[key]\n      });\n      return entries;\n    },\n    size: d3_map_size,\n    empty: d3_map_empty,\n    forEach: function(f) {\n      for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]);\n    }\n  });\n  function d3_map_escape(key) {\n    return (key += \"\") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key;\n  }\n  function d3_map_unescape(key) {\n    return (key += \"\")[0] === d3_map_zero ? key.slice(1) : key;\n  }\n  function d3_map_has(key) {\n    return d3_map_escape(key) in this._;\n  }\n  function d3_map_remove(key) {\n    return (key = d3_map_escape(key)) in this._ && delete this._[key];\n  }\n  function d3_map_keys() {\n    var keys = [];\n    for (var key in this._) keys.push(d3_map_unescape(key));\n    return keys;\n  }\n  function d3_map_size() {\n    var size = 0;\n    for (var key in this._) ++size;\n    return size;\n  }\n  function d3_map_empty() {\n    for (var key in this._) return false;\n    return true;\n  }\n  d3.nest = function() {\n    var nest = {}, keys = [], sortKeys = [], sortValues, rollup;\n    function map(mapType, array, depth) {\n      if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;\n      var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values;\n      while (++i < n) {\n        if (values = valuesByKey.get(keyValue = key(object = array[i]))) {\n          values.push(object);\n        } else {\n          valuesByKey.set(keyValue, [ object ]);\n        }\n      }\n      if (mapType) {\n        object = mapType();\n        setter = function(keyValue, values) {\n          object.set(keyValue, map(mapType, values, depth));\n        };\n      } else {\n        object = {};\n        setter = function(keyValue, values) {\n          object[keyValue] = map(mapType, values, depth);\n        };\n      }\n      valuesByKey.forEach(setter);\n      return object;\n    }\n    function entries(map, depth) {\n      if (depth >= keys.length) return map;\n      var array = [], sortKey = sortKeys[depth++];\n      map.forEach(function(key, keyMap) {\n        array.push({\n          key: key,\n          values: entries(keyMap, depth)\n        });\n      });\n      return sortKey ? array.sort(function(a, b) {\n        return sortKey(a.key, b.key);\n      }) : array;\n    }\n    nest.map = function(array, mapType) {\n      return map(mapType, array, 0);\n    };\n    nest.entries = function(array) {\n      return entries(map(d3.map, array, 0), 0);\n    };\n    nest.key = function(d) {\n      keys.push(d);\n      return nest;\n    };\n    nest.sortKeys = function(order) {\n      sortKeys[keys.length - 1] = order;\n      return nest;\n    };\n    nest.sortValues = function(order) {\n      sortValues = order;\n      return nest;\n    };\n    nest.rollup = function(f) {\n      rollup = f;\n      return nest;\n    };\n    return nest;\n  };\n  d3.set = function(array) {\n    var set = new d3_Set();\n    if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]);\n    return set;\n  };\n  function d3_Set() {\n    this._ = Object.create(null);\n  }\n  d3_class(d3_Set, {\n    has: d3_map_has,\n    add: function(key) {\n      this._[d3_map_escape(key += \"\")] = true;\n      return key;\n    },\n    remove: d3_map_remove,\n    values: d3_map_keys,\n    size: d3_map_size,\n    empty: d3_map_empty,\n    forEach: function(f) {\n      for (var key in this._) f.call(this, d3_map_unescape(key));\n    }\n  });\n  d3.behavior = {};\n  function d3_identity(d) {\n    return d;\n  }\n  d3.rebind = function(target, source) {\n    var i = 1, n = arguments.length, method;\n    while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);\n    return target;\n  };\n  function d3_rebind(target, source, method) {\n    return function() {\n      var value = method.apply(source, arguments);\n      return value === source ? target : value;\n    };\n  }\n  function d3_vendorSymbol(object, name) {\n    if (name in object) return name;\n    name = name.charAt(0).toUpperCase() + name.slice(1);\n    for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) {\n      var prefixName = d3_vendorPrefixes[i] + name;\n      if (prefixName in object) return prefixName;\n    }\n  }\n  var d3_vendorPrefixes = [ \"webkit\", \"ms\", \"moz\", \"Moz\", \"o\", \"O\" ];\n  function d3_noop() {}\n  d3.dispatch = function() {\n    var dispatch = new d3_dispatch(), i = -1, n = arguments.length;\n    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);\n    return dispatch;\n  };\n  function d3_dispatch() {}\n  d3_dispatch.prototype.on = function(type, listener) {\n    var i = type.indexOf(\".\"), name = \"\";\n    if (i >= 0) {\n      name = type.slice(i + 1);\n      type = type.slice(0, i);\n    }\n    if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);\n    if (arguments.length === 2) {\n      if (listener == null) for (type in this) {\n        if (this.hasOwnProperty(type)) this[type].on(name, null);\n      }\n      return this;\n    }\n  };\n  function d3_dispatch_event(dispatch) {\n    var listeners = [], listenerByName = new d3_Map();\n    function event() {\n      var z = listeners, i = -1, n = z.length, l;\n      while (++i < n) if (l = z[i].on) l.apply(this, arguments);\n      return dispatch;\n    }\n    event.on = function(name, listener) {\n      var l = listenerByName.get(name), i;\n      if (arguments.length < 2) return l && l.on;\n      if (l) {\n        l.on = null;\n        listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));\n        listenerByName.remove(name);\n      }\n      if (listener) listeners.push(listenerByName.set(name, {\n        on: listener\n      }));\n      return dispatch;\n    };\n    return event;\n  }\n  d3.event = null;\n  function d3_eventPreventDefault() {\n    d3.event.preventDefault();\n  }\n  function d3_eventSource() {\n    var e = d3.event, s;\n    while (s = e.sourceEvent) e = s;\n    return e;\n  }\n  function d3_eventDispatch(target) {\n    var dispatch = new d3_dispatch(), i = 0, n = arguments.length;\n    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);\n    dispatch.of = function(thiz, argumentz) {\n      return function(e1) {\n        try {\n          var e0 = e1.sourceEvent = d3.event;\n          e1.target = target;\n          d3.event = e1;\n          dispatch[e1.type].apply(thiz, argumentz);\n        } finally {\n          d3.event = e0;\n        }\n      };\n    };\n    return dispatch;\n  }\n  d3.requote = function(s) {\n    return s.replace(d3_requote_re, \"\\\\$&\");\n  };\n  var d3_requote_re = /[\\\\\\^\\$\\*\\+\\?\\|\\[\\]\\(\\)\\.\\{\\}]/g;\n  var d3_subclass = {}.__proto__ ? function(object, prototype) {\n    object.__proto__ = prototype;\n  } : function(object, prototype) {\n    for (var property in prototype) object[property] = prototype[property];\n  };\n  function d3_selection(groups) {\n    d3_subclass(groups, d3_selectionPrototype);\n    return groups;\n  }\n  var d3_select = function(s, n) {\n    return n.querySelector(s);\n  }, d3_selectAll = function(s, n) {\n    return n.querySelectorAll(s);\n  }, d3_selectMatches = function(n, s) {\n    var d3_selectMatcher = n.matches || n[d3_vendorSymbol(n, \"matchesSelector\")];\n    d3_selectMatches = function(n, s) {\n      return d3_selectMatcher.call(n, s);\n    };\n    return d3_selectMatches(n, s);\n  };\n  if (typeof Sizzle === \"function\") {\n    d3_select = function(s, n) {\n      return Sizzle(s, n)[0] || null;\n    };\n    d3_selectAll = Sizzle;\n    d3_selectMatches = Sizzle.matchesSelector;\n  }\n  d3.selection = function() {\n    return d3.select(d3_document.documentElement);\n  };\n  var d3_selectionPrototype = d3.selection.prototype = [];\n  d3_selectionPrototype.select = function(selector) {\n    var subgroups = [], subgroup, subnode, group, node;\n    selector = d3_selection_selector(selector);\n    for (var j = -1, m = this.length; ++j < m; ) {\n      subgroups.push(subgroup = []);\n      subgroup.parentNode = (group = this[j]).parentNode;\n      for (var i = -1, n = group.length; ++i < n; ) {\n        if (node = group[i]) {\n          subgroup.push(subnode = selector.call(node, node.__data__, i, j));\n          if (subnode && \"__data__\" in node) subnode.__data__ = node.__data__;\n        } else {\n          subgroup.push(null);\n        }\n      }\n    }\n    return d3_selection(subgroups);\n  };\n  function d3_selection_selector(selector) {\n    return typeof selector === \"function\" ? selector : function() {\n      return d3_select(selector, this);\n    };\n  }\n  d3_selectionPrototype.selectAll = function(selector) {\n    var subgroups = [], subgroup, node;\n    selector = d3_selection_selectorAll(selector);\n    for (var j = -1, m = this.length; ++j < m; ) {\n      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {\n        if (node = group[i]) {\n          subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j)));\n          subgroup.parentNode = node;\n        }\n      }\n    }\n    return d3_selection(subgroups);\n  };\n  function d3_selection_selectorAll(selector) {\n    return typeof selector === \"function\" ? selector : function() {\n      return d3_selectAll(selector, this);\n    };\n  }\n  var d3_nsPrefix = {\n    svg: \"http://www.w3.org/2000/svg\",\n    xhtml: \"http://www.w3.org/1999/xhtml\",\n    xlink: \"http://www.w3.org/1999/xlink\",\n    xml: \"http://www.w3.org/XML/1998/namespace\",\n    xmlns: \"http://www.w3.org/2000/xmlns/\"\n  };\n  d3.ns = {\n    prefix: d3_nsPrefix,\n    qualify: function(name) {\n      var i = name.indexOf(\":\"), prefix = name;\n      if (i >= 0) {\n        prefix = name.slice(0, i);\n        name = name.slice(i + 1);\n      }\n      return d3_nsPrefix.hasOwnProperty(prefix) ? {\n        space: d3_nsPrefix[prefix],\n        local: name\n      } : name;\n    }\n  };\n  d3_selectionPrototype.attr = function(name, value) {\n    if (arguments.length < 2) {\n      if (typeof name === \"string\") {\n        var node = this.node();\n        name = d3.ns.qualify(name);\n        return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);\n      }\n      for (value in name) this.each(d3_selection_attr(value, name[value]));\n      return this;\n    }\n    return this.each(d3_selection_attr(name, value));\n  };\n  function d3_selection_attr(name, value) {\n    name = d3.ns.qualify(name);\n    function attrNull() {\n      this.removeAttribute(name);\n    }\n    function attrNullNS() {\n      this.removeAttributeNS(name.space, name.local);\n    }\n    function attrConstant() {\n      this.setAttribute(name, value);\n    }\n    function attrConstantNS() {\n      this.setAttributeNS(name.space, name.local, value);\n    }\n    function attrFunction() {\n      var x = value.apply(this, arguments);\n      if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);\n    }\n    function attrFunctionNS() {\n      var x = value.apply(this, arguments);\n      if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);\n    }\n    return value == null ? name.local ? attrNullNS : attrNull : typeof value === \"function\" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;\n  }\n  function d3_collapse(s) {\n    return s.trim().replace(/\\s+/g, \" \");\n  }\n  d3_selectionPrototype.classed = function(name, value) {\n    if (arguments.length < 2) {\n      if (typeof name === \"string\") {\n        var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1;\n        if (value = node.classList) {\n          while (++i < n) if (!value.contains(name[i])) return false;\n        } else {\n          value = node.getAttribute(\"class\");\n          while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;\n        }\n        return true;\n      }\n      for (value in name) this.each(d3_selection_classed(value, name[value]));\n      return this;\n    }\n    return this.each(d3_selection_classed(name, value));\n  };\n  function d3_selection_classedRe(name) {\n    return new RegExp(\"(?:^|\\\\s+)\" + d3.requote(name) + \"(?:\\\\s+|$)\", \"g\");\n  }\n  function d3_selection_classes(name) {\n    return (name + \"\").trim().split(/^|\\s+/);\n  }\n  function d3_selection_classed(name, value) {\n    name = d3_selection_classes(name).map(d3_selection_classedName);\n    var n = name.length;\n    function classedConstant() {\n      var i = -1;\n      while (++i < n) name[i](this, value);\n    }\n    function classedFunction() {\n      var i = -1, x = value.apply(this, arguments);\n      while (++i < n) name[i](this, x);\n    }\n    return typeof value === \"function\" ? classedFunction : classedConstant;\n  }\n  function d3_selection_classedName(name) {\n    var re = d3_selection_classedRe(name);\n    return function(node, value) {\n      if (c = node.classList) return value ? c.add(name) : c.remove(name);\n      var c = node.getAttribute(\"class\") || \"\";\n      if (value) {\n        re.lastIndex = 0;\n        if (!re.test(c)) node.setAttribute(\"class\", d3_collapse(c + \" \" + name));\n      } else {\n        node.setAttribute(\"class\", d3_collapse(c.replace(re, \" \")));\n      }\n    };\n  }\n  d3_selectionPrototype.style = function(name, value, priority) {\n    var n = arguments.length;\n    if (n < 3) {\n      if (typeof name !== \"string\") {\n        if (n < 2) value = \"\";\n        for (priority in name) this.each(d3_selection_style(priority, name[priority], value));\n        return this;\n      }\n      if (n < 2) {\n        var node = this.node();\n        return d3_window(node).getComputedStyle(node, null).getPropertyValue(name);\n      }\n      priority = \"\";\n    }\n    return this.each(d3_selection_style(name, value, priority));\n  };\n  function d3_selection_style(name, value, priority) {\n    function styleNull() {\n      this.style.removeProperty(name);\n    }\n    function styleConstant() {\n      this.style.setProperty(name, value, priority);\n    }\n    function styleFunction() {\n      var x = value.apply(this, arguments);\n      if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);\n    }\n    return value == null ? styleNull : typeof value === \"function\" ? styleFunction : styleConstant;\n  }\n  d3_selectionPrototype.property = function(name, value) {\n    if (arguments.length < 2) {\n      if (typeof name === \"string\") return this.node()[name];\n      for (value in name) this.each(d3_selection_property(value, name[value]));\n      return this;\n    }\n    return this.each(d3_selection_property(name, value));\n  };\n  function d3_selection_property(name, value) {\n    function propertyNull() {\n      delete this[name];\n    }\n    function propertyConstant() {\n      this[name] = value;\n    }\n    function propertyFunction() {\n      var x = value.apply(this, arguments);\n      if (x == null) delete this[name]; else this[name] = x;\n    }\n    return value == null ? propertyNull : typeof value === \"function\" ? propertyFunction : propertyConstant;\n  }\n  d3_selectionPrototype.text = function(value) {\n    return arguments.length ? this.each(typeof value === \"function\" ? function() {\n      var v = value.apply(this, arguments);\n      this.textContent = v == null ? \"\" : v;\n    } : value == null ? function() {\n      this.textContent = \"\";\n    } : function() {\n      this.textContent = value;\n    }) : this.node().textContent;\n  };\n  d3_selectionPrototype.html = function(value) {\n    return arguments.length ? this.each(typeof value === \"function\" ? function() {\n      var v = value.apply(this, arguments);\n      this.innerHTML = v == null ? \"\" : v;\n    } : value == null ? function() {\n      this.innerHTML = \"\";\n    } : function() {\n      this.innerHTML = value;\n    }) : this.node().innerHTML;\n  };\n  d3_selectionPrototype.append = function(name) {\n    name = d3_selection_creator(name);\n    return this.select(function() {\n      return this.appendChild(name.apply(this, arguments));\n    });\n  };\n  function d3_selection_creator(name) {\n    function create() {\n      var document = this.ownerDocument, namespace = this.namespaceURI;\n      return namespace ? document.createElementNS(namespace, name) : document.createElement(name);\n    }\n    function createNS() {\n      return this.ownerDocument.createElementNS(name.space, name.local);\n    }\n    return typeof name === \"function\" ? name : (name = d3.ns.qualify(name)).local ? createNS : create;\n  }\n  d3_selectionPrototype.insert = function(name, before) {\n    name = d3_selection_creator(name);\n    before = d3_selection_selector(before);\n    return this.select(function() {\n      return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null);\n    });\n  };\n  d3_selectionPrototype.remove = function() {\n    return this.each(d3_selectionRemove);\n  };\n  function d3_selectionRemove() {\n    var parent = this.parentNode;\n    if (parent) parent.removeChild(this);\n  }\n  d3_selectionPrototype.data = function(value, key) {\n    var i = -1, n = this.length, group, node;\n    if (!arguments.length) {\n      value = new Array(n = (group = this[0]).length);\n      while (++i < n) {\n        if (node = group[i]) {\n          value[i] = node.__data__;\n        }\n      }\n      return value;\n    }\n    function bind(group, groupData) {\n      var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData;\n      if (key) {\n        var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue;\n        for (i = -1; ++i < n; ) {\n          if (nodeByKeyValue.has(keyValue = key.call(node = group[i], node.__data__, i))) {\n            exitNodes[i] = node;\n          } else {\n            nodeByKeyValue.set(keyValue, node);\n          }\n          keyValues[i] = keyValue;\n        }\n        for (i = -1; ++i < m; ) {\n          if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) {\n            enterNodes[i] = d3_selection_dataNode(nodeData);\n          } else if (node !== true) {\n            updateNodes[i] = node;\n            node.__data__ = nodeData;\n          }\n          nodeByKeyValue.set(keyValue, true);\n        }\n        for (i = -1; ++i < n; ) {\n          if (nodeByKeyValue.get(keyValues[i]) !== true) {\n            exitNodes[i] = group[i];\n          }\n        }\n      } else {\n        for (i = -1; ++i < n0; ) {\n          node = group[i];\n          nodeData = groupData[i];\n          if (node) {\n            node.__data__ = nodeData;\n            updateNodes[i] = node;\n          } else {\n            enterNodes[i] = d3_selection_dataNode(nodeData);\n          }\n        }\n        for (;i < m; ++i) {\n          enterNodes[i] = d3_selection_dataNode(groupData[i]);\n        }\n        for (;i < n; ++i) {\n          exitNodes[i] = group[i];\n        }\n      }\n      enterNodes.update = updateNodes;\n      enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;\n      enter.push(enterNodes);\n      update.push(updateNodes);\n      exit.push(exitNodes);\n    }\n    var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);\n    if (typeof value === \"function\") {\n      while (++i < n) {\n        bind(group = this[i], value.call(group, group.parentNode.__data__, i));\n      }\n    } else {\n      while (++i < n) {\n        bind(group = this[i], value);\n      }\n    }\n    update.enter = function() {\n      return enter;\n    };\n    update.exit = function() {\n      return exit;\n    };\n    return update;\n  };\n  function d3_selection_dataNode(data) {\n    return {\n      __data__: data\n    };\n  }\n  d3_selectionPrototype.datum = function(value) {\n    return arguments.length ? this.property(\"__data__\", value) : this.property(\"__data__\");\n  };\n  d3_selectionPrototype.filter = function(filter) {\n    var subgroups = [], subgroup, group, node;\n    if (typeof filter !== \"function\") filter = d3_selection_filter(filter);\n    for (var j = 0, m = this.length; j < m; j++) {\n      subgroups.push(subgroup = []);\n      subgroup.parentNode = (group = this[j]).parentNode;\n      for (var i = 0, n = group.length; i < n; i++) {\n        if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {\n          subgroup.push(node);\n        }\n      }\n    }\n    return d3_selection(subgroups);\n  };\n  function d3_selection_filter(selector) {\n    return function() {\n      return d3_selectMatches(this, selector);\n    };\n  }\n  d3_selectionPrototype.order = function() {\n    for (var j = -1, m = this.length; ++j < m; ) {\n      for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {\n        if (node = group[i]) {\n          if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);\n          next = node;\n        }\n      }\n    }\n    return this;\n  };\n  d3_selectionPrototype.sort = function(comparator) {\n    comparator = d3_selection_sortComparator.apply(this, arguments);\n    for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);\n    return this.order();\n  };\n  function d3_selection_sortComparator(comparator) {\n    if (!arguments.length) comparator = d3_ascending;\n    return function(a, b) {\n      return a && b ? comparator(a.__data__, b.__data__) : !a - !b;\n    };\n  }\n  d3_selectionPrototype.each = function(callback) {\n    return d3_selection_each(this, function(node, i, j) {\n      callback.call(node, node.__data__, i, j);\n    });\n  };\n  function d3_selection_each(groups, callback) {\n    for (var j = 0, m = groups.length; j < m; j++) {\n      for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {\n        if (node = group[i]) callback(node, i, j);\n      }\n    }\n    return groups;\n  }\n  d3_selectionPrototype.call = function(callback) {\n    var args = d3_array(arguments);\n    callback.apply(args[0] = this, args);\n    return this;\n  };\n  d3_selectionPrototype.empty = function() {\n    return !this.node();\n  };\n  d3_selectionPrototype.node = function() {\n    for (var j = 0, m = this.length; j < m; j++) {\n      for (var group = this[j], i = 0, n = group.length; i < n; i++) {\n        var node = group[i];\n        if (node) return node;\n      }\n    }\n    return null;\n  };\n  d3_selectionPrototype.size = function() {\n    var n = 0;\n    d3_selection_each(this, function() {\n      ++n;\n    });\n    return n;\n  };\n  function d3_selection_enter(selection) {\n    d3_subclass(selection, d3_selection_enterPrototype);\n    return selection;\n  }\n  var d3_selection_enterPrototype = [];\n  d3.selection.enter = d3_selection_enter;\n  d3.selection.enter.prototype = d3_selection_enterPrototype;\n  d3_selection_enterPrototype.append = d3_selectionPrototype.append;\n  d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;\n  d3_selection_enterPrototype.node = d3_selectionPrototype.node;\n  d3_selection_enterPrototype.call = d3_selectionPrototype.call;\n  d3_selection_enterPrototype.size = d3_selectionPrototype.size;\n  d3_selection_enterPrototype.select = function(selector) {\n    var subgroups = [], subgroup, subnode, upgroup, group, node;\n    for (var j = -1, m = this.length; ++j < m; ) {\n      upgroup = (group = this[j]).update;\n      subgroups.push(subgroup = []);\n      subgroup.parentNode = group.parentNode;\n      for (var i = -1, n = group.length; ++i < n; ) {\n        if (node = group[i]) {\n          subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j));\n          subnode.__data__ = node.__data__;\n        } else {\n          subgroup.push(null);\n        }\n      }\n    }\n    return d3_selection(subgroups);\n  };\n  d3_selection_enterPrototype.insert = function(name, before) {\n    if (arguments.length < 2) before = d3_selection_enterInsertBefore(this);\n    return d3_selectionPrototype.insert.call(this, name, before);\n  };\n  function d3_selection_enterInsertBefore(enter) {\n    var i0, j0;\n    return function(d, i, j) {\n      var group = enter[j].update, n = group.length, node;\n      if (j != j0) j0 = j, i0 = 0;\n      if (i >= i0) i0 = i + 1;\n      while (!(node = group[i0]) && ++i0 < n) ;\n      return node;\n    };\n  }\n  d3.select = function(node) {\n    var group;\n    if (typeof node === \"string\") {\n      group = [ d3_select(node, d3_document) ];\n      group.parentNode = d3_document.documentElement;\n    } else {\n      group = [ node ];\n      group.parentNode = d3_documentElement(node);\n    }\n    return d3_selection([ group ]);\n  };\n  d3.selectAll = function(nodes) {\n    var group;\n    if (typeof nodes === \"string\") {\n      group = d3_array(d3_selectAll(nodes, d3_document));\n      group.parentNode = d3_document.documentElement;\n    } else {\n      group = nodes;\n      group.parentNode = null;\n    }\n    return d3_selection([ group ]);\n  };\n  d3_selectionPrototype.on = function(type, listener, capture) {\n    var n = arguments.length;\n    if (n < 3) {\n      if (typeof type !== \"string\") {\n        if (n < 2) listener = false;\n        for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));\n        return this;\n      }\n      if (n < 2) return (n = this.node()[\"__on\" + type]) && n._;\n      capture = false;\n    }\n    return this.each(d3_selection_on(type, listener, capture));\n  };\n  function d3_selection_on(type, listener, capture) {\n    var name = \"__on\" + type, i = type.indexOf(\".\"), wrap = d3_selection_onListener;\n    if (i > 0) type = type.slice(0, i);\n    var filter = d3_selection_onFilters.get(type);\n    if (filter) type = filter, wrap = d3_selection_onFilter;\n    function onRemove() {\n      var l = this[name];\n      if (l) {\n        this.removeEventListener(type, l, l.$);\n        delete this[name];\n      }\n    }\n    function onAdd() {\n      var l = wrap(listener, d3_array(arguments));\n      onRemove.call(this);\n      this.addEventListener(type, this[name] = l, l.$ = capture);\n      l._ = listener;\n    }\n    function removeAll() {\n      var re = new RegExp(\"^__on([^.]+)\" + d3.requote(type) + \"$\"), match;\n      for (var name in this) {\n        if (match = name.match(re)) {\n          var l = this[name];\n          this.removeEventListener(match[1], l, l.$);\n          delete this[name];\n        }\n      }\n    }\n    return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll;\n  }\n  var d3_selection_onFilters = d3.map({\n    mouseenter: \"mouseover\",\n    mouseleave: \"mouseout\"\n  });\n  if (d3_document) {\n    d3_selection_onFilters.forEach(function(k) {\n      if (\"on\" + k in d3_document) d3_selection_onFilters.remove(k);\n    });\n  }\n  function d3_selection_onListener(listener, argumentz) {\n    return function(e) {\n      var o = d3.event;\n      d3.event = e;\n      argumentz[0] = this.__data__;\n      try {\n        listener.apply(this, argumentz);\n      } finally {\n        d3.event = o;\n      }\n    };\n  }\n  function d3_selection_onFilter(listener, argumentz) {\n    var l = d3_selection_onListener(listener, argumentz);\n    return function(e) {\n      var target = this, related = e.relatedTarget;\n      if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) {\n        l.call(target, e);\n      }\n    };\n  }\n  var d3_event_dragSelect, d3_event_dragId = 0;\n  function d3_event_dragSuppress(node) {\n    var name = \".dragsuppress-\" + ++d3_event_dragId, click = \"click\" + name, w = d3.select(d3_window(node)).on(\"touchmove\" + name, d3_eventPreventDefault).on(\"dragstart\" + name, d3_eventPreventDefault).on(\"selectstart\" + name, d3_eventPreventDefault);\n    if (d3_event_dragSelect == null) {\n      d3_event_dragSelect = \"onselectstart\" in node ? false : d3_vendorSymbol(node.style, \"userSelect\");\n    }\n    if (d3_event_dragSelect) {\n      var style = d3_documentElement(node).style, select = style[d3_event_dragSelect];\n      style[d3_event_dragSelect] = \"none\";\n    }\n    return function(suppressClick) {\n      w.on(name, null);\n      if (d3_event_dragSelect) style[d3_event_dragSelect] = select;\n      if (suppressClick) {\n        var off = function() {\n          w.on(click, null);\n        };\n        w.on(click, function() {\n          d3_eventPreventDefault();\n          off();\n        }, true);\n        setTimeout(off, 0);\n      }\n    };\n  }\n  d3.mouse = function(container) {\n    return d3_mousePoint(container, d3_eventSource());\n  };\n  var d3_mouse_bug44083 = this.navigator && /WebKit/.test(this.navigator.userAgent) ? -1 : 0;\n  function d3_mousePoint(container, e) {\n    if (e.changedTouches) e = e.changedTouches[0];\n    var svg = container.ownerSVGElement || container;\n    if (svg.createSVGPoint) {\n      var point = svg.createSVGPoint();\n      if (d3_mouse_bug44083 < 0) {\n        var window = d3_window(container);\n        if (window.scrollX || window.scrollY) {\n          svg = d3.select(\"body\").append(\"svg\").style({\n            position: \"absolute\",\n            top: 0,\n            left: 0,\n            margin: 0,\n            padding: 0,\n            border: \"none\"\n          }, \"important\");\n          var ctm = svg[0][0].getScreenCTM();\n          d3_mouse_bug44083 = !(ctm.f || ctm.e);\n          svg.remove();\n        }\n      }\n      if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX, \n      point.y = e.clientY;\n      point = point.matrixTransform(container.getScreenCTM().inverse());\n      return [ point.x, point.y ];\n    }\n    var rect = container.getBoundingClientRect();\n    return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];\n  }\n  d3.touch = function(container, touches, identifier) {\n    if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches;\n    if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) {\n      if ((touch = touches[i]).identifier === identifier) {\n        return d3_mousePoint(container, touch);\n      }\n    }\n  };\n  d3.behavior.drag = function() {\n    var event = d3_eventDispatch(drag, \"drag\", \"dragstart\", \"dragend\"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_window, \"mousemove\", \"mouseup\"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_identity, \"touchmove\", \"touchend\");\n    function drag() {\n      this.on(\"mousedown.drag\", mousedown).on(\"touchstart.drag\", touchstart);\n    }\n    function dragstart(id, position, subject, move, end) {\n      return function() {\n        var that = this, target = d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = \".drag\" + (dragId == null ? \"\" : \"-\" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId);\n        if (origin) {\n          dragOffset = origin.apply(that, arguments);\n          dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ];\n        } else {\n          dragOffset = [ 0, 0 ];\n        }\n        dispatch({\n          type: \"dragstart\"\n        });\n        function moved() {\n          var position1 = position(parent, dragId), dx, dy;\n          if (!position1) return;\n          dx = position1[0] - position0[0];\n          dy = position1[1] - position0[1];\n          dragged |= dx | dy;\n          position0 = position1;\n          dispatch({\n            type: \"drag\",\n            x: position1[0] + dragOffset[0],\n            y: position1[1] + dragOffset[1],\n            dx: dx,\n            dy: dy\n          });\n        }\n        function ended() {\n          if (!position(parent, dragId)) return;\n          dragSubject.on(move + dragName, null).on(end + dragName, null);\n          dragRestore(dragged && d3.event.target === target);\n          dispatch({\n            type: \"dragend\"\n          });\n        }\n      };\n    }\n    drag.origin = function(x) {\n      if (!arguments.length) return origin;\n      origin = x;\n      return drag;\n    };\n    return d3.rebind(drag, event, \"on\");\n  };\n  function d3_behavior_dragTouchId() {\n    return d3.event.changedTouches[0].identifier;\n  }\n  d3.touches = function(container, touches) {\n    if (arguments.length < 2) touches = d3_eventSource().touches;\n    return touches ? d3_array(touches).map(function(touch) {\n      var point = d3_mousePoint(container, touch);\n      point.identifier = touch.identifier;\n      return point;\n    }) : [];\n  };\n  var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π;\n  function d3_sgn(x) {\n    return x > 0 ? 1 : x < 0 ? -1 : 0;\n  }\n  function d3_cross2d(a, b, c) {\n    return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);\n  }\n  function d3_acos(x) {\n    return x > 1 ? 0 : x < -1 ? π : Math.acos(x);\n  }\n  function d3_asin(x) {\n    return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x);\n  }\n  function d3_sinh(x) {\n    return ((x = Math.exp(x)) - 1 / x) / 2;\n  }\n  function d3_cosh(x) {\n    return ((x = Math.exp(x)) + 1 / x) / 2;\n  }\n  function d3_tanh(x) {\n    return ((x = Math.exp(2 * x)) - 1) / (x + 1);\n  }\n  function d3_haversin(x) {\n    return (x = Math.sin(x / 2)) * x;\n  }\n  var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4;\n  d3.interpolateZoom = function(p0, p1) {\n    var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2];\n    var dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1), dr = r1 - r0, S = (dr || Math.log(w1 / w0)) / ρ;\n    function interpolate(t) {\n      var s = t * S;\n      if (dr) {\n        var coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0));\n        return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ];\n      }\n      return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * s) ];\n    }\n    interpolate.duration = S * 1e3;\n    return interpolate;\n  };\n  d3.behavior.zoom = function() {\n    var view = {\n      x: 0,\n      y: 0,\n      k: 1\n    }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = \"mousedown.zoom\", mousemove = \"mousemove.zoom\", mouseup = \"mouseup.zoom\", mousewheelTimer, touchstart = \"touchstart.zoom\", touchtime, event = d3_eventDispatch(zoom, \"zoomstart\", \"zoom\", \"zoomend\"), x0, x1, y0, y1;\n    if (!d3_behavior_zoomWheel) {\n      d3_behavior_zoomWheel = \"onwheel\" in d3_document ? (d3_behavior_zoomDelta = function() {\n        return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);\n      }, \"wheel\") : \"onmousewheel\" in d3_document ? (d3_behavior_zoomDelta = function() {\n        return d3.event.wheelDelta;\n      }, \"mousewheel\") : (d3_behavior_zoomDelta = function() {\n        return -d3.event.detail;\n      }, \"MozMousePixelScroll\");\n    }\n    function zoom(g) {\n      g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + \".zoom\", mousewheeled).on(\"dblclick.zoom\", dblclicked).on(touchstart, touchstarted);\n    }\n    zoom.event = function(g) {\n      g.each(function() {\n        var dispatch = event.of(this, arguments), view1 = view;\n        if (d3_transitionInheritId) {\n          d3.select(this).transition().each(\"start.zoom\", function() {\n            view = this.__chart__ || {\n              x: 0,\n              y: 0,\n              k: 1\n            };\n            zoomstarted(dispatch);\n          }).tween(\"zoom:zoom\", function() {\n            var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]);\n            return function(t) {\n              var l = i(t), k = dx / l[2];\n              this.__chart__ = view = {\n                x: cx - l[0] * k,\n                y: cy - l[1] * k,\n                k: k\n              };\n              zoomed(dispatch);\n            };\n          }).each(\"interrupt.zoom\", function() {\n            zoomended(dispatch);\n          }).each(\"end.zoom\", function() {\n            zoomended(dispatch);\n          });\n        } else {\n          this.__chart__ = view;\n          zoomstarted(dispatch);\n          zoomed(dispatch);\n          zoomended(dispatch);\n        }\n      });\n    };\n    zoom.translate = function(_) {\n      if (!arguments.length) return [ view.x, view.y ];\n      view = {\n        x: +_[0],\n        y: +_[1],\n        k: view.k\n      };\n      rescale();\n      return zoom;\n    };\n    zoom.scale = function(_) {\n      if (!arguments.length) return view.k;\n      view = {\n        x: view.x,\n        y: view.y,\n        k: +_\n      };\n      rescale();\n      return zoom;\n    };\n    zoom.scaleExtent = function(_) {\n      if (!arguments.length) return scaleExtent;\n      scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ];\n      return zoom;\n    };\n    zoom.center = function(_) {\n      if (!arguments.length) return center;\n      center = _ && [ +_[0], +_[1] ];\n      return zoom;\n    };\n    zoom.size = function(_) {\n      if (!arguments.length) return size;\n      size = _ && [ +_[0], +_[1] ];\n      return zoom;\n    };\n    zoom.duration = function(_) {\n      if (!arguments.length) return duration;\n      duration = +_;\n      return zoom;\n    };\n    zoom.x = function(z) {\n      if (!arguments.length) return x1;\n      x1 = z;\n      x0 = z.copy();\n      view = {\n        x: 0,\n        y: 0,\n        k: 1\n      };\n      return zoom;\n    };\n    zoom.y = function(z) {\n      if (!arguments.length) return y1;\n      y1 = z;\n      y0 = z.copy();\n      view = {\n        x: 0,\n        y: 0,\n        k: 1\n      };\n      return zoom;\n    };\n    function location(p) {\n      return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ];\n    }\n    function point(l) {\n      return [ l[0] * view.k + view.x, l[1] * view.k + view.y ];\n    }\n    function scaleTo(s) {\n      view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));\n    }\n    function translateTo(p, l) {\n      l = point(l);\n      view.x += p[0] - l[0];\n      view.y += p[1] - l[1];\n    }\n    function zoomTo(that, p, l, k) {\n      that.__chart__ = {\n        x: view.x,\n        y: view.y,\n        k: view.k\n      };\n      scaleTo(Math.pow(2, k));\n      translateTo(center0 = p, l);\n      that = d3.select(that);\n      if (duration > 0) that = that.transition().duration(duration);\n      that.call(zoom.event);\n    }\n    function rescale() {\n      if (x1) x1.domain(x0.range().map(function(x) {\n        return (x - view.x) / view.k;\n      }).map(x0.invert));\n      if (y1) y1.domain(y0.range().map(function(y) {\n        return (y - view.y) / view.k;\n      }).map(y0.invert));\n    }\n    function zoomstarted(dispatch) {\n      if (!zooming++) dispatch({\n        type: \"zoomstart\"\n      });\n    }\n    function zoomed(dispatch) {\n      rescale();\n      dispatch({\n        type: \"zoom\",\n        scale: view.k,\n        translate: [ view.x, view.y ]\n      });\n    }\n    function zoomended(dispatch) {\n      if (!--zooming) dispatch({\n        type: \"zoomend\"\n      });\n      center0 = null;\n    }\n    function mousedowned() {\n      var that = this, target = d3.event.target, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that);\n      d3_selection_interrupt.call(that);\n      zoomstarted(dispatch);\n      function moved() {\n        dragged = 1;\n        translateTo(d3.mouse(that), location0);\n        zoomed(dispatch);\n      }\n      function ended() {\n        subject.on(mousemove, null).on(mouseup, null);\n        dragRestore(dragged && d3.event.target === target);\n        zoomended(dispatch);\n      }\n    }\n    function touchstarted() {\n      var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = \".zoom-\" + d3.event.changedTouches[0].identifier, touchmove = \"touchmove\" + zoomName, touchend = \"touchend\" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress(that);\n      started();\n      zoomstarted(dispatch);\n      subject.on(mousedown, null).on(touchstart, started);\n      function relocate() {\n        var touches = d3.touches(that);\n        scale0 = view.k;\n        touches.forEach(function(t) {\n          if (t.identifier in locations0) locations0[t.identifier] = location(t);\n        });\n        return touches;\n      }\n      function started() {\n        var target = d3.event.target;\n        d3.select(target).on(touchmove, moved).on(touchend, ended);\n        targets.push(target);\n        var changed = d3.event.changedTouches;\n        for (var i = 0, n = changed.length; i < n; ++i) {\n          locations0[changed[i].identifier] = null;\n        }\n        var touches = relocate(), now = Date.now();\n        if (touches.length === 1) {\n          if (now - touchtime < 500) {\n            var p = touches[0];\n            zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1);\n            d3_eventPreventDefault();\n          }\n          touchtime = now;\n        } else if (touches.length > 1) {\n          var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1];\n          distance0 = dx * dx + dy * dy;\n        }\n      }\n      function moved() {\n        var touches = d3.touches(that), p0, l0, p1, l1;\n        d3_selection_interrupt.call(that);\n        for (var i = 0, n = touches.length; i < n; ++i, l1 = null) {\n          p1 = touches[i];\n          if (l1 = locations0[p1.identifier]) {\n            if (l0) break;\n            p0 = p1, l0 = l1;\n          }\n        }\n        if (l1) {\n          var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0);\n          p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];\n          l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];\n          scaleTo(scale1 * scale0);\n        }\n        touchtime = null;\n        translateTo(p0, l0);\n        zoomed(dispatch);\n      }\n      function ended() {\n        if (d3.event.touches.length) {\n          var changed = d3.event.changedTouches;\n          for (var i = 0, n = changed.length; i < n; ++i) {\n            delete locations0[changed[i].identifier];\n          }\n          for (var identifier in locations0) {\n            return void relocate();\n          }\n        }\n        d3.selectAll(targets).on(zoomName, null);\n        subject.on(mousedown, mousedowned).on(touchstart, touchstarted);\n        dragRestore();\n        zoomended(dispatch);\n      }\n    }\n    function mousewheeled() {\n      var dispatch = event.of(this, arguments);\n      if (mousewheelTimer) clearTimeout(mousewheelTimer); else translate0 = location(center0 = center || d3.mouse(this)), \n      d3_selection_interrupt.call(this), zoomstarted(dispatch);\n      mousewheelTimer = setTimeout(function() {\n        mousewheelTimer = null;\n        zoomended(dispatch);\n      }, 50);\n      d3_eventPreventDefault();\n      scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k);\n      translateTo(center0, translate0);\n      zoomed(dispatch);\n    }\n    function dblclicked() {\n      var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2;\n      zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1);\n    }\n    return d3.rebind(zoom, event, \"on\");\n  };\n  var d3_behavior_zoomInfinity = [ 0, Infinity ], d3_behavior_zoomDelta, d3_behavior_zoomWheel;\n  d3.color = d3_color;\n  function d3_color() {}\n  d3_color.prototype.toString = function() {\n    return this.rgb() + \"\";\n  };\n  d3.hsl = d3_hsl;\n  function d3_hsl(h, s, l) {\n    return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse(\"\" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l);\n  }\n  var d3_hslPrototype = d3_hsl.prototype = new d3_color();\n  d3_hslPrototype.brighter = function(k) {\n    k = Math.pow(.7, arguments.length ? k : 1);\n    return new d3_hsl(this.h, this.s, this.l / k);\n  };\n  d3_hslPrototype.darker = function(k) {\n    k = Math.pow(.7, arguments.length ? k : 1);\n    return new d3_hsl(this.h, this.s, k * this.l);\n  };\n  d3_hslPrototype.rgb = function() {\n    return d3_hsl_rgb(this.h, this.s, this.l);\n  };\n  function d3_hsl_rgb(h, s, l) {\n    var m1, m2;\n    h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h;\n    s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s;\n    l = l < 0 ? 0 : l > 1 ? 1 : l;\n    m2 = l <= .5 ? l * (1 + s) : l + s - l * s;\n    m1 = 2 * l - m2;\n    function v(h) {\n      if (h > 360) h -= 360; else if (h < 0) h += 360;\n      if (h < 60) return m1 + (m2 - m1) * h / 60;\n      if (h < 180) return m2;\n      if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;\n      return m1;\n    }\n    function vv(h) {\n      return Math.round(v(h) * 255);\n    }\n    return new d3_rgb(vv(h + 120), vv(h), vv(h - 120));\n  }\n  d3.hcl = d3_hcl;\n  function d3_hcl(h, c, l) {\n    return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new d3_hcl(h.h, h.c, h.l) : h instanceof d3_lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : new d3_hcl(h, c, l);\n  }\n  var d3_hclPrototype = d3_hcl.prototype = new d3_color();\n  d3_hclPrototype.brighter = function(k) {\n    return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));\n  };\n  d3_hclPrototype.darker = function(k) {\n    return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));\n  };\n  d3_hclPrototype.rgb = function() {\n    return d3_hcl_lab(this.h, this.c, this.l).rgb();\n  };\n  function d3_hcl_lab(h, c, l) {\n    if (isNaN(h)) h = 0;\n    if (isNaN(c)) c = 0;\n    return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);\n  }\n  d3.lab = d3_lab;\n  function d3_lab(l, a, b) {\n    return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, b);\n  }\n  var d3_lab_K = 18;\n  var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;\n  var d3_labPrototype = d3_lab.prototype = new d3_color();\n  d3_labPrototype.brighter = function(k) {\n    return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);\n  };\n  d3_labPrototype.darker = function(k) {\n    return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);\n  };\n  d3_labPrototype.rgb = function() {\n    return d3_lab_rgb(this.l, this.a, this.b);\n  };\n  function d3_lab_rgb(l, a, b) {\n    var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;\n    x = d3_lab_xyz(x) * d3_lab_X;\n    y = d3_lab_xyz(y) * d3_lab_Y;\n    z = d3_lab_xyz(z) * d3_lab_Z;\n    return new d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z));\n  }\n  function d3_lab_hcl(l, a, b) {\n    return l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, l);\n  }\n  function d3_lab_xyz(x) {\n    return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;\n  }\n  function d3_xyz_lab(x) {\n    return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;\n  }\n  function d3_xyz_rgb(r) {\n    return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));\n  }\n  d3.rgb = d3_rgb;\n  function d3_rgb(r, g, b) {\n    return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse(\"\" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b);\n  }\n  function d3_rgbNumber(value) {\n    return new d3_rgb(value >> 16, value >> 8 & 255, value & 255);\n  }\n  function d3_rgbString(value) {\n    return d3_rgbNumber(value) + \"\";\n  }\n  var d3_rgbPrototype = d3_rgb.prototype = new d3_color();\n  d3_rgbPrototype.brighter = function(k) {\n    k = Math.pow(.7, arguments.length ? k : 1);\n    var r = this.r, g = this.g, b = this.b, i = 30;\n    if (!r && !g && !b) return new d3_rgb(i, i, i);\n    if (r && r < i) r = i;\n    if (g && g < i) g = i;\n    if (b && b < i) b = i;\n    return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k));\n  };\n  d3_rgbPrototype.darker = function(k) {\n    k = Math.pow(.7, arguments.length ? k : 1);\n    return new d3_rgb(k * this.r, k * this.g, k * this.b);\n  };\n  d3_rgbPrototype.hsl = function() {\n    return d3_rgb_hsl(this.r, this.g, this.b);\n  };\n  d3_rgbPrototype.toString = function() {\n    return \"#\" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);\n  };\n  function d3_rgb_hex(v) {\n    return v < 16 ? \"0\" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);\n  }\n  function d3_rgb_parse(format, rgb, hsl) {\n    var r = 0, g = 0, b = 0, m1, m2, color;\n    m1 = /([a-z]+)\\((.*)\\)/i.exec(format);\n    if (m1) {\n      m2 = m1[2].split(\",\");\n      switch (m1[1]) {\n       case \"hsl\":\n        {\n          return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);\n        }\n\n       case \"rgb\":\n        {\n          return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));\n        }\n      }\n    }\n    if (color = d3_rgb_names.get(format.toLowerCase())) {\n      return rgb(color.r, color.g, color.b);\n    }\n    if (format != null && format.charAt(0) === \"#\" && !isNaN(color = parseInt(format.slice(1), 16))) {\n      if (format.length === 4) {\n        r = (color & 3840) >> 4;\n        r = r >> 4 | r;\n        g = color & 240;\n        g = g >> 4 | g;\n        b = color & 15;\n        b = b << 4 | b;\n      } else if (format.length === 7) {\n        r = (color & 16711680) >> 16;\n        g = (color & 65280) >> 8;\n        b = color & 255;\n      }\n    }\n    return rgb(r, g, b);\n  }\n  function d3_rgb_hsl(r, g, b) {\n    var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2;\n    if (d) {\n      s = l < .5 ? d / (max + min) : d / (2 - max - min);\n      if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4;\n      h *= 60;\n    } else {\n      h = NaN;\n      s = l > 0 && l < 1 ? 0 : h;\n    }\n    return new d3_hsl(h, s, l);\n  }\n  function d3_rgb_lab(r, g, b) {\n    r = d3_rgb_xyz(r);\n    g = d3_rgb_xyz(g);\n    b = d3_rgb_xyz(b);\n    var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z);\n    return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));\n  }\n  function d3_rgb_xyz(r) {\n    return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);\n  }\n  function d3_rgb_parseNumber(c) {\n    var f = parseFloat(c);\n    return c.charAt(c.length - 1) === \"%\" ? Math.round(f * 2.55) : f;\n  }\n  var d3_rgb_names = d3.map({\n    aliceblue: 15792383,\n    antiquewhite: 16444375,\n    aqua: 65535,\n    aquamarine: 8388564,\n    azure: 15794175,\n    beige: 16119260,\n    bisque: 16770244,\n    black: 0,\n    blanchedalmond: 16772045,\n    blue: 255,\n    blueviolet: 9055202,\n    brown: 10824234,\n    burlywood: 14596231,\n    cadetblue: 6266528,\n    chartreuse: 8388352,\n    chocolate: 13789470,\n    coral: 16744272,\n    cornflowerblue: 6591981,\n    cornsilk: 16775388,\n    crimson: 14423100,\n    cyan: 65535,\n    darkblue: 139,\n    darkcyan: 35723,\n    darkgoldenrod: 12092939,\n    darkgray: 11119017,\n    darkgreen: 25600,\n    darkgrey: 11119017,\n    darkkhaki: 12433259,\n    darkmagenta: 9109643,\n    darkolivegreen: 5597999,\n    darkorange: 16747520,\n    darkorchid: 10040012,\n    darkred: 9109504,\n    darksalmon: 15308410,\n    darkseagreen: 9419919,\n    darkslateblue: 4734347,\n    darkslategray: 3100495,\n    darkslategrey: 3100495,\n    darkturquoise: 52945,\n    darkviolet: 9699539,\n    deeppink: 16716947,\n    deepskyblue: 49151,\n    dimgray: 6908265,\n    dimgrey: 6908265,\n    dodgerblue: 2003199,\n    firebrick: 11674146,\n    floralwhite: 16775920,\n    forestgreen: 2263842,\n    fuchsia: 16711935,\n    gainsboro: 14474460,\n    ghostwhite: 16316671,\n    gold: 16766720,\n    goldenrod: 14329120,\n    gray: 8421504,\n    green: 32768,\n    greenyellow: 11403055,\n    grey: 8421504,\n    honeydew: 15794160,\n    hotpink: 16738740,\n    indianred: 13458524,\n    indigo: 4915330,\n    ivory: 16777200,\n    khaki: 15787660,\n    lavender: 15132410,\n    lavenderblush: 16773365,\n    lawngreen: 8190976,\n    lemonchiffon: 16775885,\n    lightblue: 11393254,\n    lightcoral: 15761536,\n    lightcyan: 14745599,\n    lightgoldenrodyellow: 16448210,\n    lightgray: 13882323,\n    lightgreen: 9498256,\n    lightgrey: 13882323,\n    lightpink: 16758465,\n    lightsalmon: 16752762,\n    lightseagreen: 2142890,\n    lightskyblue: 8900346,\n    lightslategray: 7833753,\n    lightslategrey: 7833753,\n    lightsteelblue: 11584734,\n    lightyellow: 16777184,\n    lime: 65280,\n    limegreen: 3329330,\n    linen: 16445670,\n    magenta: 16711935,\n    maroon: 8388608,\n    mediumaquamarine: 6737322,\n    mediumblue: 205,\n    mediumorchid: 12211667,\n    mediumpurple: 9662683,\n    mediumseagreen: 3978097,\n    mediumslateblue: 8087790,\n    mediumspringgreen: 64154,\n    mediumturquoise: 4772300,\n    mediumvioletred: 13047173,\n    midnightblue: 1644912,\n    mintcream: 16121850,\n    mistyrose: 16770273,\n    moccasin: 16770229,\n    navajowhite: 16768685,\n    navy: 128,\n    oldlace: 16643558,\n    olive: 8421376,\n    olivedrab: 7048739,\n    orange: 16753920,\n    orangered: 16729344,\n    orchid: 14315734,\n    palegoldenrod: 15657130,\n    palegreen: 10025880,\n    paleturquoise: 11529966,\n    palevioletred: 14381203,\n    papayawhip: 16773077,\n    peachpuff: 16767673,\n    peru: 13468991,\n    pink: 16761035,\n    plum: 14524637,\n    powderblue: 11591910,\n    purple: 8388736,\n    rebeccapurple: 6697881,\n    red: 16711680,\n    rosybrown: 12357519,\n    royalblue: 4286945,\n    saddlebrown: 9127187,\n    salmon: 16416882,\n    sandybrown: 16032864,\n    seagreen: 3050327,\n    seashell: 16774638,\n    sienna: 10506797,\n    silver: 12632256,\n    skyblue: 8900331,\n    slateblue: 6970061,\n    slategray: 7372944,\n    slategrey: 7372944,\n    snow: 16775930,\n    springgreen: 65407,\n    steelblue: 4620980,\n    tan: 13808780,\n    teal: 32896,\n    thistle: 14204888,\n    tomato: 16737095,\n    turquoise: 4251856,\n    violet: 15631086,\n    wheat: 16113331,\n    white: 16777215,\n    whitesmoke: 16119285,\n    yellow: 16776960,\n    yellowgreen: 10145074\n  });\n  d3_rgb_names.forEach(function(key, value) {\n    d3_rgb_names.set(key, d3_rgbNumber(value));\n  });\n  function d3_functor(v) {\n    return typeof v === \"function\" ? v : function() {\n      return v;\n    };\n  }\n  d3.functor = d3_functor;\n  d3.xhr = d3_xhrType(d3_identity);\n  function d3_xhrType(response) {\n    return function(url, mimeType, callback) {\n      if (arguments.length === 2 && typeof mimeType === \"function\") callback = mimeType, \n      mimeType = null;\n      return d3_xhr(url, mimeType, response, callback);\n    };\n  }\n  function d3_xhr(url, mimeType, response, callback) {\n    var xhr = {}, dispatch = d3.dispatch(\"beforesend\", \"progress\", \"load\", \"error\"), headers = {}, request = new XMLHttpRequest(), responseType = null;\n    if (this.XDomainRequest && !(\"withCredentials\" in request) && /^(http(s)?:)?\\/\\//.test(url)) request = new XDomainRequest();\n    \"onload\" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {\n      request.readyState > 3 && respond();\n    };\n    function respond() {\n      var status = request.status, result;\n      if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) {\n        try {\n          result = response.call(xhr, request);\n        } catch (e) {\n          dispatch.error.call(xhr, e);\n          return;\n        }\n        dispatch.load.call(xhr, result);\n      } else {\n        dispatch.error.call(xhr, request);\n      }\n    }\n    request.onprogress = function(event) {\n      var o = d3.event;\n      d3.event = event;\n      try {\n        dispatch.progress.call(xhr, request);\n      } finally {\n        d3.event = o;\n      }\n    };\n    xhr.header = function(name, value) {\n      name = (name + \"\").toLowerCase();\n      if (arguments.length < 2) return headers[name];\n      if (value == null) delete headers[name]; else headers[name] = value + \"\";\n      return xhr;\n    };\n    xhr.mimeType = function(value) {\n      if (!arguments.length) return mimeType;\n      mimeType = value == null ? null : value + \"\";\n      return xhr;\n    };\n    xhr.responseType = function(value) {\n      if (!arguments.length) return responseType;\n      responseType = value;\n      return xhr;\n    };\n    xhr.response = function(value) {\n      response = value;\n      return xhr;\n    };\n    [ \"get\", \"post\" ].forEach(function(method) {\n      xhr[method] = function() {\n        return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));\n      };\n    });\n    xhr.send = function(method, data, callback) {\n      if (arguments.length === 2 && typeof data === \"function\") callback = data, data = null;\n      request.open(method, url, true);\n      if (mimeType != null && !(\"accept\" in headers)) headers[\"accept\"] = mimeType + \",*/*\";\n      if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);\n      if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);\n      if (responseType != null) request.responseType = responseType;\n      if (callback != null) xhr.on(\"error\", callback).on(\"load\", function(request) {\n        callback(null, request);\n      });\n      dispatch.beforesend.call(xhr, request);\n      request.send(data == null ? null : data);\n      return xhr;\n    };\n    xhr.abort = function() {\n      request.abort();\n      return xhr;\n    };\n    d3.rebind(xhr, dispatch, \"on\");\n    return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));\n  }\n  function d3_xhr_fixCallback(callback) {\n    return callback.length === 1 ? function(error, request) {\n      callback(error == null ? request : null);\n    } : callback;\n  }\n  function d3_xhrHasResponse(request) {\n    var type = request.responseType;\n    return type && type !== \"text\" ? request.response : request.responseText;\n  }\n  d3.dsv = function(delimiter, mimeType) {\n    var reFormat = new RegExp('[\"' + delimiter + \"\\n]\"), delimiterCode = delimiter.charCodeAt(0);\n    function dsv(url, row, callback) {\n      if (arguments.length < 3) callback = row, row = null;\n      var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback);\n      xhr.row = function(_) {\n        return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;\n      };\n      return xhr;\n    }\n    function response(request) {\n      return dsv.parse(request.responseText);\n    }\n    function typedResponse(f) {\n      return function(request) {\n        return dsv.parse(request.responseText, f);\n      };\n    }\n    dsv.parse = function(text, f) {\n      var o;\n      return dsv.parseRows(text, function(row, i) {\n        if (o) return o(row, i - 1);\n        var a = new Function(\"d\", \"return {\" + row.map(function(name, i) {\n          return JSON.stringify(name) + \": d[\" + i + \"]\";\n        }).join(\",\") + \"}\");\n        o = f ? function(row, i) {\n          return f(a(row), i);\n        } : a;\n      });\n    };\n    dsv.parseRows = function(text, f) {\n      var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;\n      function token() {\n        if (I >= N) return EOF;\n        if (eol) return eol = false, EOL;\n        var j = I;\n        if (text.charCodeAt(j) === 34) {\n          var i = j;\n          while (i++ < N) {\n            if (text.charCodeAt(i) === 34) {\n              if (text.charCodeAt(i + 1) !== 34) break;\n              ++i;\n            }\n          }\n          I = i + 2;\n          var c = text.charCodeAt(i + 1);\n          if (c === 13) {\n            eol = true;\n            if (text.charCodeAt(i + 2) === 10) ++I;\n          } else if (c === 10) {\n            eol = true;\n          }\n          return text.slice(j + 1, i).replace(/\"\"/g, '\"');\n        }\n        while (I < N) {\n          var c = text.charCodeAt(I++), k = 1;\n          if (c === 10) eol = true; else if (c === 13) {\n            eol = true;\n            if (text.charCodeAt(I) === 10) ++I, ++k;\n          } else if (c !== delimiterCode) continue;\n          return text.slice(j, I - k);\n        }\n        return text.slice(j);\n      }\n      while ((t = token()) !== EOF) {\n        var a = [];\n        while (t !== EOL && t !== EOF) {\n          a.push(t);\n          t = token();\n        }\n        if (f && (a = f(a, n++)) == null) continue;\n        rows.push(a);\n      }\n      return rows;\n    };\n    dsv.format = function(rows) {\n      if (Array.isArray(rows[0])) return dsv.formatRows(rows);\n      var fieldSet = new d3_Set(), fields = [];\n      rows.forEach(function(row) {\n        for (var field in row) {\n          if (!fieldSet.has(field)) {\n            fields.push(fieldSet.add(field));\n          }\n        }\n      });\n      return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) {\n        return fields.map(function(field) {\n          return formatValue(row[field]);\n        }).join(delimiter);\n      })).join(\"\\n\");\n    };\n    dsv.formatRows = function(rows) {\n      return rows.map(formatRow).join(\"\\n\");\n    };\n    function formatRow(row) {\n      return row.map(formatValue).join(delimiter);\n    }\n    function formatValue(text) {\n      return reFormat.test(text) ? '\"' + text.replace(/\\\"/g, '\"\"') + '\"' : text;\n    }\n    return dsv;\n  };\n  d3.csv = d3.dsv(\",\", \"text/csv\");\n  d3.tsv = d3.dsv(\"\t\", \"text/tab-separated-values\");\n  var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_active, d3_timer_frame = this[d3_vendorSymbol(this, \"requestAnimationFrame\")] || function(callback) {\n    setTimeout(callback, 17);\n  };\n  d3.timer = function(callback, delay, then) {\n    var n = arguments.length;\n    if (n < 2) delay = 0;\n    if (n < 3) then = Date.now();\n    var time = then + delay, timer = {\n      c: callback,\n      t: time,\n      f: false,\n      n: null\n    };\n    if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer;\n    d3_timer_queueTail = timer;\n    if (!d3_timer_interval) {\n      d3_timer_timeout = clearTimeout(d3_timer_timeout);\n      d3_timer_interval = 1;\n      d3_timer_frame(d3_timer_step);\n    }\n  };\n  function d3_timer_step() {\n    var now = d3_timer_mark(), delay = d3_timer_sweep() - now;\n    if (delay > 24) {\n      if (isFinite(delay)) {\n        clearTimeout(d3_timer_timeout);\n        d3_timer_timeout = setTimeout(d3_timer_step, delay);\n      }\n      d3_timer_interval = 0;\n    } else {\n      d3_timer_interval = 1;\n      d3_timer_frame(d3_timer_step);\n    }\n  }\n  d3.timer.flush = function() {\n    d3_timer_mark();\n    d3_timer_sweep();\n  };\n  function d3_timer_mark() {\n    var now = Date.now();\n    d3_timer_active = d3_timer_queueHead;\n    while (d3_timer_active) {\n      if (now >= d3_timer_active.t) d3_timer_active.f = d3_timer_active.c(now - d3_timer_active.t);\n      d3_timer_active = d3_timer_active.n;\n    }\n    return now;\n  }\n  function d3_timer_sweep() {\n    var t0, t1 = d3_timer_queueHead, time = Infinity;\n    while (t1) {\n      if (t1.f) {\n        t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n;\n      } else {\n        if (t1.t < time) time = t1.t;\n        t1 = (t0 = t1).n;\n      }\n    }\n    d3_timer_queueTail = t0;\n    return time;\n  }\n  function d3_format_precision(x, p) {\n    return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);\n  }\n  d3.round = function(x, n) {\n    return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);\n  };\n  var d3_formatPrefixes = [ \"y\", \"z\", \"a\", \"f\", \"p\", \"n\", \"µ\", \"m\", \"\", \"k\", \"M\", \"G\", \"T\", \"P\", \"E\", \"Z\", \"Y\" ].map(d3_formatPrefix);\n  d3.formatPrefix = function(value, precision) {\n    var i = 0;\n    if (value) {\n      if (value < 0) value *= -1;\n      if (precision) value = d3.round(value, d3_format_precision(value, precision));\n      i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);\n      i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3));\n    }\n    return d3_formatPrefixes[8 + i / 3];\n  };\n  function d3_formatPrefix(d, i) {\n    var k = Math.pow(10, abs(8 - i) * 3);\n    return {\n      scale: i > 8 ? function(d) {\n        return d / k;\n      } : function(d) {\n        return d * k;\n      },\n      symbol: d\n    };\n  }\n  function d3_locale_numberFormat(locale) {\n    var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) {\n      var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0;\n      while (i > 0 && g > 0) {\n        if (length + g + 1 > width) g = Math.max(1, width - length);\n        t.push(value.substring(i -= g, i + g));\n        if ((length += g + 1) > width) break;\n        g = locale_grouping[j = (j + 1) % locale_grouping.length];\n      }\n      return t.reverse().join(locale_thousands);\n    } : d3_identity;\n    return function(specifier) {\n      var match = d3_format_re.exec(specifier), fill = match[1] || \" \", align = match[2] || \">\", sign = match[3] || \"-\", symbol = match[4] || \"\", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = \"\", suffix = \"\", integer = false, exponent = true;\n      if (precision) precision = +precision.substring(1);\n      if (zfill || fill === \"0\" && align === \"=\") {\n        zfill = fill = \"0\";\n        align = \"=\";\n      }\n      switch (type) {\n       case \"n\":\n        comma = true;\n        type = \"g\";\n        break;\n\n       case \"%\":\n        scale = 100;\n        suffix = \"%\";\n        type = \"f\";\n        break;\n\n       case \"p\":\n        scale = 100;\n        suffix = \"%\";\n        type = \"r\";\n        break;\n\n       case \"b\":\n       case \"o\":\n       case \"x\":\n       case \"X\":\n        if (symbol === \"#\") prefix = \"0\" + type.toLowerCase();\n\n       case \"c\":\n        exponent = false;\n\n       case \"d\":\n        integer = true;\n        precision = 0;\n        break;\n\n       case \"s\":\n        scale = -1;\n        type = \"r\";\n        break;\n      }\n      if (symbol === \"$\") prefix = locale_currency[0], suffix = locale_currency[1];\n      if (type == \"r\" && !precision) type = \"g\";\n      if (precision != null) {\n        if (type == \"g\") precision = Math.max(1, Math.min(21, precision)); else if (type == \"e\" || type == \"f\") precision = Math.max(0, Math.min(20, precision));\n      }\n      type = d3_format_types.get(type) || d3_format_typeDefault;\n      var zcomma = zfill && comma;\n      return function(value) {\n        var fullSuffix = suffix;\n        if (integer && value % 1) return \"\";\n        var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, \"-\") : sign === \"-\" ? \"\" : sign;\n        if (scale < 0) {\n          var unit = d3.formatPrefix(value, precision);\n          value = unit.scale(value);\n          fullSuffix = unit.symbol + suffix;\n        } else {\n          value *= scale;\n        }\n        value = type(value, precision);\n        var i = value.lastIndexOf(\".\"), before, after;\n        if (i < 0) {\n          var j = exponent ? value.lastIndexOf(\"e\") : -1;\n          if (j < 0) before = value, after = \"\"; else before = value.substring(0, j), after = value.substring(j);\n        } else {\n          before = value.substring(0, i);\n          after = locale_decimal + value.substring(i + 1);\n        }\n        if (!zfill && comma) before = formatGroup(before, Infinity);\n        var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : \"\";\n        if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity);\n        negative += prefix;\n        value = before + after;\n        return (align === \"<\" ? negative + value + padding : align === \">\" ? padding + negative + value : align === \"^\" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix;\n      };\n    };\n  }\n  var d3_format_re = /(?:([^{])?([<>=^]))?([+\\- ])?([$#])?(0)?(\\d+)?(,)?(\\.-?\\d+)?([a-z%])?/i;\n  var d3_format_types = d3.map({\n    b: function(x) {\n      return x.toString(2);\n    },\n    c: function(x) {\n      return String.fromCharCode(x);\n    },\n    o: function(x) {\n      return x.toString(8);\n    },\n    x: function(x) {\n      return x.toString(16);\n    },\n    X: function(x) {\n      return x.toString(16).toUpperCase();\n    },\n    g: function(x, p) {\n      return x.toPrecision(p);\n    },\n    e: function(x, p) {\n      return x.toExponential(p);\n    },\n    f: function(x, p) {\n      return x.toFixed(p);\n    },\n    r: function(x, p) {\n      return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p))));\n    }\n  });\n  function d3_format_typeDefault(x) {\n    return x + \"\";\n  }\n  var d3_time = d3.time = {}, d3_date = Date;\n  function d3_date_utc() {\n    this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);\n  }\n  d3_date_utc.prototype = {\n    getDate: function() {\n      return this._.getUTCDate();\n    },\n    getDay: function() {\n      return this._.getUTCDay();\n    },\n    getFullYear: function() {\n      return this._.getUTCFullYear();\n    },\n    getHours: function() {\n      return this._.getUTCHours();\n    },\n    getMilliseconds: function() {\n      return this._.getUTCMilliseconds();\n    },\n    getMinutes: function() {\n      return this._.getUTCMinutes();\n    },\n    getMonth: function() {\n      return this._.getUTCMonth();\n    },\n    getSeconds: function() {\n      return this._.getUTCSeconds();\n    },\n    getTime: function() {\n      return this._.getTime();\n    },\n    getTimezoneOffset: function() {\n      return 0;\n    },\n    valueOf: function() {\n      return this._.valueOf();\n    },\n    setDate: function() {\n      d3_time_prototype.setUTCDate.apply(this._, arguments);\n    },\n    setDay: function() {\n      d3_time_prototype.setUTCDay.apply(this._, arguments);\n    },\n    setFullYear: function() {\n      d3_time_prototype.setUTCFullYear.apply(this._, arguments);\n    },\n    setHours: function() {\n      d3_time_prototype.setUTCHours.apply(this._, arguments);\n    },\n    setMilliseconds: function() {\n      d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);\n    },\n    setMinutes: function() {\n      d3_time_prototype.setUTCMinutes.apply(this._, arguments);\n    },\n    setMonth: function() {\n      d3_time_prototype.setUTCMonth.apply(this._, arguments);\n    },\n    setSeconds: function() {\n      d3_time_prototype.setUTCSeconds.apply(this._, arguments);\n    },\n    setTime: function() {\n      d3_time_prototype.setTime.apply(this._, arguments);\n    }\n  };\n  var d3_time_prototype = Date.prototype;\n  function d3_time_interval(local, step, number) {\n    function round(date) {\n      var d0 = local(date), d1 = offset(d0, 1);\n      return date - d0 < d1 - date ? d0 : d1;\n    }\n    function ceil(date) {\n      step(date = local(new d3_date(date - 1)), 1);\n      return date;\n    }\n    function offset(date, k) {\n      step(date = new d3_date(+date), k);\n      return date;\n    }\n    function range(t0, t1, dt) {\n      var time = ceil(t0), times = [];\n      if (dt > 1) {\n        while (time < t1) {\n          if (!(number(time) % dt)) times.push(new Date(+time));\n          step(time, 1);\n        }\n      } else {\n        while (time < t1) times.push(new Date(+time)), step(time, 1);\n      }\n      return times;\n    }\n    function range_utc(t0, t1, dt) {\n      try {\n        d3_date = d3_date_utc;\n        var utc = new d3_date_utc();\n        utc._ = t0;\n        return range(utc, t1, dt);\n      } finally {\n        d3_date = Date;\n      }\n    }\n    local.floor = local;\n    local.round = round;\n    local.ceil = ceil;\n    local.offset = offset;\n    local.range = range;\n    var utc = local.utc = d3_time_interval_utc(local);\n    utc.floor = utc;\n    utc.round = d3_time_interval_utc(round);\n    utc.ceil = d3_time_interval_utc(ceil);\n    utc.offset = d3_time_interval_utc(offset);\n    utc.range = range_utc;\n    return local;\n  }\n  function d3_time_interval_utc(method) {\n    return function(date, k) {\n      try {\n        d3_date = d3_date_utc;\n        var utc = new d3_date_utc();\n        utc._ = date;\n        return method(utc, k)._;\n      } finally {\n        d3_date = Date;\n      }\n    };\n  }\n  d3_time.year = d3_time_interval(function(date) {\n    date = d3_time.day(date);\n    date.setMonth(0, 1);\n    return date;\n  }, function(date, offset) {\n    date.setFullYear(date.getFullYear() + offset);\n  }, function(date) {\n    return date.getFullYear();\n  });\n  d3_time.years = d3_time.year.range;\n  d3_time.years.utc = d3_time.year.utc.range;\n  d3_time.day = d3_time_interval(function(date) {\n    var day = new d3_date(2e3, 0);\n    day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());\n    return day;\n  }, function(date, offset) {\n    date.setDate(date.getDate() + offset);\n  }, function(date) {\n    return date.getDate() - 1;\n  });\n  d3_time.days = d3_time.day.range;\n  d3_time.days.utc = d3_time.day.utc.range;\n  d3_time.dayOfYear = function(date) {\n    var year = d3_time.year(date);\n    return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);\n  };\n  [ \"sunday\", \"monday\", \"tuesday\", \"wednesday\", \"thursday\", \"friday\", \"saturday\" ].forEach(function(day, i) {\n    i = 7 - i;\n    var interval = d3_time[day] = d3_time_interval(function(date) {\n      (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);\n      return date;\n    }, function(date, offset) {\n      date.setDate(date.getDate() + Math.floor(offset) * 7);\n    }, function(date) {\n      var day = d3_time.year(date).getDay();\n      return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);\n    });\n    d3_time[day + \"s\"] = interval.range;\n    d3_time[day + \"s\"].utc = interval.utc.range;\n    d3_time[day + \"OfYear\"] = function(date) {\n      var day = d3_time.year(date).getDay();\n      return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7);\n    };\n  });\n  d3_time.week = d3_time.sunday;\n  d3_time.weeks = d3_time.sunday.range;\n  d3_time.weeks.utc = d3_time.sunday.utc.range;\n  d3_time.weekOfYear = d3_time.sundayOfYear;\n  function d3_locale_timeFormat(locale) {\n    var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths;\n    function d3_time_format(template) {\n      var n = template.length;\n      function format(date) {\n        var string = [], i = -1, j = 0, c, p, f;\n        while (++i < n) {\n          if (template.charCodeAt(i) === 37) {\n            string.push(template.slice(j, i));\n            if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);\n            if (f = d3_time_formats[c]) c = f(date, p == null ? c === \"e\" ? \" \" : \"0\" : p);\n            string.push(c);\n            j = i + 1;\n          }\n        }\n        string.push(template.slice(j, i));\n        return string.join(\"\");\n      }\n      format.parse = function(string) {\n        var d = {\n          y: 1900,\n          m: 0,\n          d: 1,\n          H: 0,\n          M: 0,\n          S: 0,\n          L: 0,\n          Z: null\n        }, i = d3_time_parse(d, template, string, 0);\n        if (i != string.length) return null;\n        if (\"p\" in d) d.H = d.H % 12 + d.p * 12;\n        var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)();\n        if (\"j\" in d) date.setFullYear(d.y, 0, d.j); else if (\"w\" in d && (\"W\" in d || \"U\" in d)) {\n          date.setFullYear(d.y, 0, 1);\n          date.setFullYear(d.y, 0, \"W\" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7);\n        } else date.setFullYear(d.y, d.m, d.d);\n        date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L);\n        return localZ ? date._ : date;\n      };\n      format.toString = function() {\n        return template;\n      };\n      return format;\n    }\n    function d3_time_parse(date, template, string, j) {\n      var c, p, t, i = 0, n = template.length, m = string.length;\n      while (i < n) {\n        if (j >= m) return -1;\n        c = template.charCodeAt(i++);\n        if (c === 37) {\n          t = template.charAt(i++);\n          p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t];\n          if (!p || (j = p(date, string, j)) < 0) return -1;\n        } else if (c != string.charCodeAt(j++)) {\n          return -1;\n        }\n      }\n      return j;\n    }\n    d3_time_format.utc = function(template) {\n      var local = d3_time_format(template);\n      function format(date) {\n        try {\n          d3_date = d3_date_utc;\n          var utc = new d3_date();\n          utc._ = date;\n          return local(utc);\n        } finally {\n          d3_date = Date;\n        }\n      }\n      format.parse = function(string) {\n        try {\n          d3_date = d3_date_utc;\n          var date = local.parse(string);\n          return date && date._;\n        } finally {\n          d3_date = Date;\n        }\n      };\n      format.toString = local.toString;\n      return format;\n    };\n    d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti;\n    var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths);\n    locale_periods.forEach(function(p, i) {\n      d3_time_periodLookup.set(p.toLowerCase(), i);\n    });\n    var d3_time_formats = {\n      a: function(d) {\n        return locale_shortDays[d.getDay()];\n      },\n      A: function(d) {\n        return locale_days[d.getDay()];\n      },\n      b: function(d) {\n        return locale_shortMonths[d.getMonth()];\n      },\n      B: function(d) {\n        return locale_months[d.getMonth()];\n      },\n      c: d3_time_format(locale_dateTime),\n      d: function(d, p) {\n        return d3_time_formatPad(d.getDate(), p, 2);\n      },\n      e: function(d, p) {\n        return d3_time_formatPad(d.getDate(), p, 2);\n      },\n      H: function(d, p) {\n        return d3_time_formatPad(d.getHours(), p, 2);\n      },\n      I: function(d, p) {\n        return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);\n      },\n      j: function(d, p) {\n        return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3);\n      },\n      L: function(d, p) {\n        return d3_time_formatPad(d.getMilliseconds(), p, 3);\n      },\n      m: function(d, p) {\n        return d3_time_formatPad(d.getMonth() + 1, p, 2);\n      },\n      M: function(d, p) {\n        return d3_time_formatPad(d.getMinutes(), p, 2);\n      },\n      p: function(d) {\n        return locale_periods[+(d.getHours() >= 12)];\n      },\n      S: function(d, p) {\n        return d3_time_formatPad(d.getSeconds(), p, 2);\n      },\n      U: function(d, p) {\n        return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2);\n      },\n      w: function(d) {\n        return d.getDay();\n      },\n      W: function(d, p) {\n        return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2);\n      },\n      x: d3_time_format(locale_date),\n      X: d3_time_format(locale_time),\n      y: function(d, p) {\n        return d3_time_formatPad(d.getFullYear() % 100, p, 2);\n      },\n      Y: function(d, p) {\n        return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);\n      },\n      Z: d3_time_zone,\n      \"%\": function() {\n        return \"%\";\n      }\n    };\n    var d3_time_parsers = {\n      a: d3_time_parseWeekdayAbbrev,\n      A: d3_time_parseWeekday,\n      b: d3_time_parseMonthAbbrev,\n      B: d3_time_parseMonth,\n      c: d3_time_parseLocaleFull,\n      d: d3_time_parseDay,\n      e: d3_time_parseDay,\n      H: d3_time_parseHour24,\n      I: d3_time_parseHour24,\n      j: d3_time_parseDayOfYear,\n      L: d3_time_parseMilliseconds,\n      m: d3_time_parseMonthNumber,\n      M: d3_time_parseMinutes,\n      p: d3_time_parseAmPm,\n      S: d3_time_parseSeconds,\n      U: d3_time_parseWeekNumberSunday,\n      w: d3_time_parseWeekdayNumber,\n      W: d3_time_parseWeekNumberMonday,\n      x: d3_time_parseLocaleDate,\n      X: d3_time_parseLocaleTime,\n      y: d3_time_parseYear,\n      Y: d3_time_parseFullYear,\n      Z: d3_time_parseZone,\n      \"%\": d3_time_parseLiteralPercent\n    };\n    function d3_time_parseWeekdayAbbrev(date, string, i) {\n      d3_time_dayAbbrevRe.lastIndex = 0;\n      var n = d3_time_dayAbbrevRe.exec(string.slice(i));\n      return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;\n    }\n    function d3_time_parseWeekday(date, string, i) {\n      d3_time_dayRe.lastIndex = 0;\n      var n = d3_time_dayRe.exec(string.slice(i));\n      return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;\n    }\n    function d3_time_parseMonthAbbrev(date, string, i) {\n      d3_time_monthAbbrevRe.lastIndex = 0;\n      var n = d3_time_monthAbbrevRe.exec(string.slice(i));\n      return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;\n    }\n    function d3_time_parseMonth(date, string, i) {\n      d3_time_monthRe.lastIndex = 0;\n      var n = d3_time_monthRe.exec(string.slice(i));\n      return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;\n    }\n    function d3_time_parseLocaleFull(date, string, i) {\n      return d3_time_parse(date, d3_time_formats.c.toString(), string, i);\n    }\n    function d3_time_parseLocaleDate(date, string, i) {\n      return d3_time_parse(date, d3_time_formats.x.toString(), string, i);\n    }\n    function d3_time_parseLocaleTime(date, string, i) {\n      return d3_time_parse(date, d3_time_formats.X.toString(), string, i);\n    }\n    function d3_time_parseAmPm(date, string, i) {\n      var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase());\n      return n == null ? -1 : (date.p = n, i);\n    }\n    return d3_time_format;\n  }\n  var d3_time_formatPads = {\n    \"-\": \"\",\n    _: \" \",\n    \"0\": \"0\"\n  }, d3_time_numberRe = /^\\s*\\d+/, d3_time_percentRe = /^%/;\n  function d3_time_formatPad(value, fill, width) {\n    var sign = value < 0 ? \"-\" : \"\", string = (sign ? -value : value) + \"\", length = string.length;\n    return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);\n  }\n  function d3_time_formatRe(names) {\n    return new RegExp(\"^(?:\" + names.map(d3.requote).join(\"|\") + \")\", \"i\");\n  }\n  function d3_time_formatLookup(names) {\n    var map = new d3_Map(), i = -1, n = names.length;\n    while (++i < n) map.set(names[i].toLowerCase(), i);\n    return map;\n  }\n  function d3_time_parseWeekdayNumber(date, string, i) {\n    d3_time_numberRe.lastIndex = 0;\n    var n = d3_time_numberRe.exec(string.slice(i, i + 1));\n    return n ? (date.w = +n[0], i + n[0].length) : -1;\n  }\n  function d3_time_parseWeekNumberSunday(date, string, i) {\n    d3_time_numberRe.lastIndex = 0;\n    var n = d3_time_numberRe.exec(string.slice(i));\n    return n ? (date.U = +n[0], i + n[0].length) : -1;\n  }\n  function d3_time_parseWeekNumberMonday(date, string, i) {\n    d3_time_numberRe.lastIndex = 0;\n    var n = d3_time_numberRe.exec(string.slice(i));\n    return n ? (date.W = +n[0], i + n[0].length) : -1;\n  }\n  function d3_time_parseFullYear(date, string, i) {\n    d3_time_numberRe.lastIndex = 0;\n    var n = d3_time_numberRe.exec(string.slice(i, i + 4));\n    return n ? (date.y = +n[0], i + n[0].length) : -1;\n  }\n  function d3_time_parseYear(date, string, i) {\n    d3_time_numberRe.lastIndex = 0;\n    var n = d3_time_numberRe.exec(string.slice(i, i + 2));\n    return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1;\n  }\n  function d3_time_parseZone(date, string, i) {\n    return /^[+-]\\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string, \n    i + 5) : -1;\n  }\n  function d3_time_expandYear(d) {\n    return d + (d > 68 ? 1900 : 2e3);\n  }\n  function d3_time_parseMonthNumber(date, string, i) {\n    d3_time_numberRe.lastIndex = 0;\n    var n = d3_time_numberRe.exec(string.slice(i, i + 2));\n    return n ? (date.m = n[0] - 1, i + n[0].length) : -1;\n  }\n  function d3_time_parseDay(date, string, i) {\n    d3_time_numberRe.lastIndex = 0;\n    var n = d3_time_numberRe.exec(string.slice(i, i + 2));\n    return n ? (date.d = +n[0], i + n[0].length) : -1;\n  }\n  function d3_time_parseDayOfYear(date, string, i) {\n    d3_time_numberRe.lastIndex = 0;\n    var n = d3_time_numberRe.exec(string.slice(i, i + 3));\n    return n ? (date.j = +n[0], i + n[0].length) : -1;\n  }\n  function d3_time_parseHour24(date, string, i) {\n    d3_time_numberRe.lastIndex = 0;\n    var n = d3_time_numberRe.exec(string.slice(i, i + 2));\n    return n ? (date.H = +n[0], i + n[0].length) : -1;\n  }\n  function d3_time_parseMinutes(date, string, i) {\n    d3_time_numberRe.lastIndex = 0;\n    var n = d3_time_numberRe.exec(string.slice(i, i + 2));\n    return n ? (date.M = +n[0], i + n[0].length) : -1;\n  }\n  function d3_time_parseSeconds(date, string, i) {\n    d3_time_numberRe.lastIndex = 0;\n    var n = d3_time_numberRe.exec(string.slice(i, i + 2));\n    return n ? (date.S = +n[0], i + n[0].length) : -1;\n  }\n  function d3_time_parseMilliseconds(date, string, i) {\n    d3_time_numberRe.lastIndex = 0;\n    var n = d3_time_numberRe.exec(string.slice(i, i + 3));\n    return n ? (date.L = +n[0], i + n[0].length) : -1;\n  }\n  function d3_time_zone(d) {\n    var z = d.getTimezoneOffset(), zs = z > 0 ? \"-\" : \"+\", zh = abs(z) / 60 | 0, zm = abs(z) % 60;\n    return zs + d3_time_formatPad(zh, \"0\", 2) + d3_time_formatPad(zm, \"0\", 2);\n  }\n  function d3_time_parseLiteralPercent(date, string, i) {\n    d3_time_percentRe.lastIndex = 0;\n    var n = d3_time_percentRe.exec(string.slice(i, i + 1));\n    return n ? i + n[0].length : -1;\n  }\n  function d3_time_formatMulti(formats) {\n    var n = formats.length, i = -1;\n    while (++i < n) formats[i][0] = this(formats[i][0]);\n    return function(date) {\n      var i = 0, f = formats[i];\n      while (!f[1](date)) f = formats[++i];\n      return f[0](date);\n    };\n  }\n  d3.locale = function(locale) {\n    return {\n      numberFormat: d3_locale_numberFormat(locale),\n      timeFormat: d3_locale_timeFormat(locale)\n    };\n  };\n  var d3_locale_enUS = d3.locale({\n    decimal: \".\",\n    thousands: \",\",\n    grouping: [ 3 ],\n    currency: [ \"$\", \"\" ],\n    dateTime: \"%a %b %e %X %Y\",\n    date: \"%m/%d/%Y\",\n    time: \"%H:%M:%S\",\n    periods: [ \"AM\", \"PM\" ],\n    days: [ \"Sunday\", \"Monday\", \"Tuesday\", \"Wednesday\", \"Thursday\", \"Friday\", \"Saturday\" ],\n    shortDays: [ \"Sun\", \"Mon\", \"Tue\", \"Wed\", \"Thu\", \"Fri\", \"Sat\" ],\n    months: [ \"January\", \"February\", \"March\", \"April\", \"May\", \"June\", \"July\", \"August\", \"September\", \"October\", \"November\", \"December\" ],\n    shortMonths: [ \"Jan\", \"Feb\", \"Mar\", \"Apr\", \"May\", \"Jun\", \"Jul\", \"Aug\", \"Sep\", \"Oct\", \"Nov\", \"Dec\" ]\n  });\n  d3.format = d3_locale_enUS.numberFormat;\n  d3.geo = {};\n  function d3_adder() {}\n  d3_adder.prototype = {\n    s: 0,\n    t: 0,\n    add: function(y) {\n      d3_adderSum(y, this.t, d3_adderTemp);\n      d3_adderSum(d3_adderTemp.s, this.s, this);\n      if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t;\n    },\n    reset: function() {\n      this.s = this.t = 0;\n    },\n    valueOf: function() {\n      return this.s;\n    }\n  };\n  var d3_adderTemp = new d3_adder();\n  function d3_adderSum(a, b, o) {\n    var x = o.s = a + b, bv = x - a, av = x - bv;\n    o.t = a - av + (b - bv);\n  }\n  d3.geo.stream = function(object, listener) {\n    if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) {\n      d3_geo_streamObjectType[object.type](object, listener);\n    } else {\n      d3_geo_streamGeometry(object, listener);\n    }\n  };\n  function d3_geo_streamGeometry(geometry, listener) {\n    if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {\n      d3_geo_streamGeometryType[geometry.type](geometry, listener);\n    }\n  }\n  var d3_geo_streamObjectType = {\n    Feature: function(feature, listener) {\n      d3_geo_streamGeometry(feature.geometry, listener);\n    },\n    FeatureCollection: function(object, listener) {\n      var features = object.features, i = -1, n = features.length;\n      while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);\n    }\n  };\n  var d3_geo_streamGeometryType = {\n    Sphere: function(object, listener) {\n      listener.sphere();\n    },\n    Point: function(object, listener) {\n      object = object.coordinates;\n      listener.point(object[0], object[1], object[2]);\n    },\n    MultiPoint: function(object, listener) {\n      var coordinates = object.coordinates, i = -1, n = coordinates.length;\n      while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]);\n    },\n    LineString: function(object, listener) {\n      d3_geo_streamLine(object.coordinates, listener, 0);\n    },\n    MultiLineString: function(object, listener) {\n      var coordinates = object.coordinates, i = -1, n = coordinates.length;\n      while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);\n    },\n    Polygon: function(object, listener) {\n      d3_geo_streamPolygon(object.coordinates, listener);\n    },\n    MultiPolygon: function(object, listener) {\n      var coordinates = object.coordinates, i = -1, n = coordinates.length;\n      while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);\n    },\n    GeometryCollection: function(object, listener) {\n      var geometries = object.geometries, i = -1, n = geometries.length;\n      while (++i < n) d3_geo_streamGeometry(geometries[i], listener);\n    }\n  };\n  function d3_geo_streamLine(coordinates, listener, closed) {\n    var i = -1, n = coordinates.length - closed, coordinate;\n    listener.lineStart();\n    while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]);\n    listener.lineEnd();\n  }\n  function d3_geo_streamPolygon(coordinates, listener) {\n    var i = -1, n = coordinates.length;\n    listener.polygonStart();\n    while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);\n    listener.polygonEnd();\n  }\n  d3.geo.area = function(object) {\n    d3_geo_areaSum = 0;\n    d3.geo.stream(object, d3_geo_area);\n    return d3_geo_areaSum;\n  };\n  var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder();\n  var d3_geo_area = {\n    sphere: function() {\n      d3_geo_areaSum += 4 * π;\n    },\n    point: d3_noop,\n    lineStart: d3_noop,\n    lineEnd: d3_noop,\n    polygonStart: function() {\n      d3_geo_areaRingSum.reset();\n      d3_geo_area.lineStart = d3_geo_areaRingStart;\n    },\n    polygonEnd: function() {\n      var area = 2 * d3_geo_areaRingSum;\n      d3_geo_areaSum += area < 0 ? 4 * π + area : area;\n      d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;\n    }\n  };\n  function d3_geo_areaRingStart() {\n    var λ00, φ00, λ0, cosφ0, sinφ0;\n    d3_geo_area.point = function(λ, φ) {\n      d3_geo_area.point = nextPoint;\n      λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), \n      sinφ0 = Math.sin(φ);\n    };\n    function nextPoint(λ, φ) {\n      λ *= d3_radians;\n      φ = φ * d3_radians / 2 + π / 4;\n      var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ);\n      d3_geo_areaRingSum.add(Math.atan2(v, u));\n      λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;\n    }\n    d3_geo_area.lineEnd = function() {\n      nextPoint(λ00, φ00);\n    };\n  }\n  function d3_geo_cartesian(spherical) {\n    var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);\n    return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];\n  }\n  function d3_geo_cartesianDot(a, b) {\n    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];\n  }\n  function d3_geo_cartesianCross(a, b) {\n    return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ];\n  }\n  function d3_geo_cartesianAdd(a, b) {\n    a[0] += b[0];\n    a[1] += b[1];\n    a[2] += b[2];\n  }\n  function d3_geo_cartesianScale(vector, k) {\n    return [ vector[0] * k, vector[1] * k, vector[2] * k ];\n  }\n  function d3_geo_cartesianNormalize(d) {\n    var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);\n    d[0] /= l;\n    d[1] /= l;\n    d[2] /= l;\n  }\n  function d3_geo_spherical(cartesian) {\n    return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ];\n  }\n  function d3_geo_sphericalEqual(a, b) {\n    return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε;\n  }\n  d3.geo.bounds = function() {\n    var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range;\n    var bound = {\n      point: point,\n      lineStart: lineStart,\n      lineEnd: lineEnd,\n      polygonStart: function() {\n        bound.point = ringPoint;\n        bound.lineStart = ringStart;\n        bound.lineEnd = ringEnd;\n        dλSum = 0;\n        d3_geo_area.polygonStart();\n      },\n      polygonEnd: function() {\n        d3_geo_area.polygonEnd();\n        bound.point = point;\n        bound.lineStart = lineStart;\n        bound.lineEnd = lineEnd;\n        if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90;\n        range[0] = λ0, range[1] = λ1;\n      }\n    };\n    function point(λ, φ) {\n      ranges.push(range = [ λ0 = λ, λ1 = λ ]);\n      if (φ < φ0) φ0 = φ;\n      if (φ > φ1) φ1 = φ;\n    }\n    function linePoint(λ, φ) {\n      var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]);\n      if (p0) {\n        var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal);\n        d3_geo_cartesianNormalize(inflection);\n        inflection = d3_geo_spherical(inflection);\n        var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180;\n        if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) {\n          var φi = inflection[1] * d3_degrees;\n          if (φi > φ1) φ1 = φi;\n        } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) {\n          var φi = -inflection[1] * d3_degrees;\n          if (φi < φ0) φ0 = φi;\n        } else {\n          if (φ < φ0) φ0 = φ;\n          if (φ > φ1) φ1 = φ;\n        }\n        if (antimeridian) {\n          if (λ < λ_) {\n            if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;\n          } else {\n            if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;\n          }\n        } else {\n          if (λ1 >= λ0) {\n            if (λ < λ0) λ0 = λ;\n            if (λ > λ1) λ1 = λ;\n          } else {\n            if (λ > λ_) {\n              if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;\n            } else {\n              if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;\n            }\n          }\n        }\n      } else {\n        point(λ, φ);\n      }\n      p0 = p, λ_ = λ;\n    }\n    function lineStart() {\n      bound.point = linePoint;\n    }\n    function lineEnd() {\n      range[0] = λ0, range[1] = λ1;\n      bound.point = point;\n      p0 = null;\n    }\n    function ringPoint(λ, φ) {\n      if (p0) {\n        var dλ = λ - λ_;\n        dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ;\n      } else λ__ = λ, φ__ = φ;\n      d3_geo_area.point(λ, φ);\n      linePoint(λ, φ);\n    }\n    function ringStart() {\n      d3_geo_area.lineStart();\n    }\n    function ringEnd() {\n      ringPoint(λ__, φ__);\n      d3_geo_area.lineEnd();\n      if (abs(dλSum) > ε) λ0 = -(λ1 = 180);\n      range[0] = λ0, range[1] = λ1;\n      p0 = null;\n    }\n    function angle(λ0, λ1) {\n      return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1;\n    }\n    function compareRanges(a, b) {\n      return a[0] - b[0];\n    }\n    function withinRange(x, range) {\n      return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x;\n    }\n    return function(feature) {\n      φ1 = λ1 = -(λ0 = φ0 = Infinity);\n      ranges = [];\n      d3.geo.stream(feature, bound);\n      var n = ranges.length;\n      if (n) {\n        ranges.sort(compareRanges);\n        for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) {\n          b = ranges[i];\n          if (withinRange(b[0], a) || withinRange(b[1], a)) {\n            if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1];\n            if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0];\n          } else {\n            merged.push(a = b);\n          }\n        }\n        var best = -Infinity, dλ;\n        for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) {\n          b = merged[i];\n          if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1];\n        }\n      }\n      ranges = range = null;\n      return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ];\n    };\n  }();\n  d3.geo.centroid = function(object) {\n    d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;\n    d3.geo.stream(object, d3_geo_centroid);\n    var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z;\n    if (m < ε2) {\n      x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1;\n      if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0;\n      m = x * x + y * y + z * z;\n      if (m < ε2) return [ NaN, NaN ];\n    }\n    return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ];\n  };\n  var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2;\n  var d3_geo_centroid = {\n    sphere: d3_noop,\n    point: d3_geo_centroidPoint,\n    lineStart: d3_geo_centroidLineStart,\n    lineEnd: d3_geo_centroidLineEnd,\n    polygonStart: function() {\n      d3_geo_centroid.lineStart = d3_geo_centroidRingStart;\n    },\n    polygonEnd: function() {\n      d3_geo_centroid.lineStart = d3_geo_centroidLineStart;\n    }\n  };\n  function d3_geo_centroidPoint(λ, φ) {\n    λ *= d3_radians;\n    var cosφ = Math.cos(φ *= d3_radians);\n    d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ));\n  }\n  function d3_geo_centroidPointXYZ(x, y, z) {\n    ++d3_geo_centroidW0;\n    d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0;\n    d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0;\n    d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0;\n  }\n  function d3_geo_centroidLineStart() {\n    var x0, y0, z0;\n    d3_geo_centroid.point = function(λ, φ) {\n      λ *= d3_radians;\n      var cosφ = Math.cos(φ *= d3_radians);\n      x0 = cosφ * Math.cos(λ);\n      y0 = cosφ * Math.sin(λ);\n      z0 = Math.sin(φ);\n      d3_geo_centroid.point = nextPoint;\n      d3_geo_centroidPointXYZ(x0, y0, z0);\n    };\n    function nextPoint(λ, φ) {\n      λ *= d3_radians;\n      var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);\n      d3_geo_centroidW1 += w;\n      d3_geo_centroidX1 += w * (x0 + (x0 = x));\n      d3_geo_centroidY1 += w * (y0 + (y0 = y));\n      d3_geo_centroidZ1 += w * (z0 + (z0 = z));\n      d3_geo_centroidPointXYZ(x0, y0, z0);\n    }\n  }\n  function d3_geo_centroidLineEnd() {\n    d3_geo_centroid.point = d3_geo_centroidPoint;\n  }\n  function d3_geo_centroidRingStart() {\n    var λ00, φ00, x0, y0, z0;\n    d3_geo_centroid.point = function(λ, φ) {\n      λ00 = λ, φ00 = φ;\n      d3_geo_centroid.point = nextPoint;\n      λ *= d3_radians;\n      var cosφ = Math.cos(φ *= d3_radians);\n      x0 = cosφ * Math.cos(λ);\n      y0 = cosφ * Math.sin(λ);\n      z0 = Math.sin(φ);\n      d3_geo_centroidPointXYZ(x0, y0, z0);\n    };\n    d3_geo_centroid.lineEnd = function() {\n      nextPoint(λ00, φ00);\n      d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;\n      d3_geo_centroid.point = d3_geo_centroidPoint;\n    };\n    function nextPoint(λ, φ) {\n      λ *= d3_radians;\n      var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u);\n      d3_geo_centroidX2 += v * cx;\n      d3_geo_centroidY2 += v * cy;\n      d3_geo_centroidZ2 += v * cz;\n      d3_geo_centroidW1 += w;\n      d3_geo_centroidX1 += w * (x0 + (x0 = x));\n      d3_geo_centroidY1 += w * (y0 + (y0 = y));\n      d3_geo_centroidZ1 += w * (z0 + (z0 = z));\n      d3_geo_centroidPointXYZ(x0, y0, z0);\n    }\n  }\n  function d3_geo_compose(a, b) {\n    function compose(x, y) {\n      return x = a(x, y), b(x[0], x[1]);\n    }\n    if (a.invert && b.invert) compose.invert = function(x, y) {\n      return x = b.invert(x, y), x && a.invert(x[0], x[1]);\n    };\n    return compose;\n  }\n  function d3_true() {\n    return true;\n  }\n  function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) {\n    var subject = [], clip = [];\n    segments.forEach(function(segment) {\n      if ((n = segment.length - 1) <= 0) return;\n      var n, p0 = segment[0], p1 = segment[n];\n      if (d3_geo_sphericalEqual(p0, p1)) {\n        listener.lineStart();\n        for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]);\n        listener.lineEnd();\n        return;\n      }\n      var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false);\n      a.o = b;\n      subject.push(a);\n      clip.push(b);\n      a = new d3_geo_clipPolygonIntersection(p1, segment, null, false);\n      b = new d3_geo_clipPolygonIntersection(p1, null, a, true);\n      a.o = b;\n      subject.push(a);\n      clip.push(b);\n    });\n    clip.sort(compare);\n    d3_geo_clipPolygonLinkCircular(subject);\n    d3_geo_clipPolygonLinkCircular(clip);\n    if (!subject.length) return;\n    for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) {\n      clip[i].e = entry = !entry;\n    }\n    var start = subject[0], points, point;\n    while (1) {\n      var current = start, isSubject = true;\n      while (current.v) if ((current = current.n) === start) return;\n      points = current.z;\n      listener.lineStart();\n      do {\n        current.v = current.o.v = true;\n        if (current.e) {\n          if (isSubject) {\n            for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]);\n          } else {\n            interpolate(current.x, current.n.x, 1, listener);\n          }\n          current = current.n;\n        } else {\n          if (isSubject) {\n            points = current.p.z;\n            for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]);\n          } else {\n            interpolate(current.x, current.p.x, -1, listener);\n          }\n          current = current.p;\n        }\n        current = current.o;\n        points = current.z;\n        isSubject = !isSubject;\n      } while (!current.v);\n      listener.lineEnd();\n    }\n  }\n  function d3_geo_clipPolygonLinkCircular(array) {\n    if (!(n = array.length)) return;\n    var n, i = 0, a = array[0], b;\n    while (++i < n) {\n      a.n = b = array[i];\n      b.p = a;\n      a = b;\n    }\n    a.n = b = array[0];\n    b.p = a;\n  }\n  function d3_geo_clipPolygonIntersection(point, points, other, entry) {\n    this.x = point;\n    this.z = points;\n    this.o = other;\n    this.e = entry;\n    this.v = false;\n    this.n = this.p = null;\n  }\n  function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) {\n    return function(rotate, listener) {\n      var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]);\n      var clip = {\n        point: point,\n        lineStart: lineStart,\n        lineEnd: lineEnd,\n        polygonStart: function() {\n          clip.point = pointRing;\n          clip.lineStart = ringStart;\n          clip.lineEnd = ringEnd;\n          segments = [];\n          polygon = [];\n        },\n        polygonEnd: function() {\n          clip.point = point;\n          clip.lineStart = lineStart;\n          clip.lineEnd = lineEnd;\n          segments = d3.merge(segments);\n          var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon);\n          if (segments.length) {\n            if (!polygonStarted) listener.polygonStart(), polygonStarted = true;\n            d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener);\n          } else if (clipStartInside) {\n            if (!polygonStarted) listener.polygonStart(), polygonStarted = true;\n            listener.lineStart();\n            interpolate(null, null, 1, listener);\n            listener.lineEnd();\n          }\n          if (polygonStarted) listener.polygonEnd(), polygonStarted = false;\n          segments = polygon = null;\n        },\n        sphere: function() {\n          listener.polygonStart();\n          listener.lineStart();\n          interpolate(null, null, 1, listener);\n          listener.lineEnd();\n          listener.polygonEnd();\n        }\n      };\n      function point(λ, φ) {\n        var point = rotate(λ, φ);\n        if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ);\n      }\n      function pointLine(λ, φ) {\n        var point = rotate(λ, φ);\n        line.point(point[0], point[1]);\n      }\n      function lineStart() {\n        clip.point = pointLine;\n        line.lineStart();\n      }\n      function lineEnd() {\n        clip.point = point;\n        line.lineEnd();\n      }\n      var segments;\n      var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring;\n      function pointRing(λ, φ) {\n        ring.push([ λ, φ ]);\n        var point = rotate(λ, φ);\n        ringListener.point(point[0], point[1]);\n      }\n      function ringStart() {\n        ringListener.lineStart();\n        ring = [];\n      }\n      function ringEnd() {\n        pointRing(ring[0][0], ring[0][1]);\n        ringListener.lineEnd();\n        var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;\n        ring.pop();\n        polygon.push(ring);\n        ring = null;\n        if (!n) return;\n        if (clean & 1) {\n          segment = ringSegments[0];\n          var n = segment.length - 1, i = -1, point;\n          if (n > 0) {\n            if (!polygonStarted) listener.polygonStart(), polygonStarted = true;\n            listener.lineStart();\n            while (++i < n) listener.point((point = segment[i])[0], point[1]);\n            listener.lineEnd();\n          }\n          return;\n        }\n        if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));\n        segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));\n      }\n      return clip;\n    };\n  }\n  function d3_geo_clipSegmentLength1(segment) {\n    return segment.length > 1;\n  }\n  function d3_geo_clipBufferListener() {\n    var lines = [], line;\n    return {\n      lineStart: function() {\n        lines.push(line = []);\n      },\n      point: function(λ, φ) {\n        line.push([ λ, φ ]);\n      },\n      lineEnd: d3_noop,\n      buffer: function() {\n        var buffer = lines;\n        lines = [];\n        line = null;\n        return buffer;\n      },\n      rejoin: function() {\n        if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));\n      }\n    };\n  }\n  function d3_geo_clipSort(a, b) {\n    return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]);\n  }\n  var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]);\n  function d3_geo_clipAntimeridianLine(listener) {\n    var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;\n    return {\n      lineStart: function() {\n        listener.lineStart();\n        clean = 1;\n      },\n      point: function(λ1, φ1) {\n        var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0);\n        if (abs(dλ - π) < ε) {\n          listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ);\n          listener.point(sλ0, φ0);\n          listener.lineEnd();\n          listener.lineStart();\n          listener.point(sλ1, φ0);\n          listener.point(λ1, φ0);\n          clean = 0;\n        } else if (sλ0 !== sλ1 && dλ >= π) {\n          if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;\n          if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;\n          φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);\n          listener.point(sλ0, φ0);\n          listener.lineEnd();\n          listener.lineStart();\n          listener.point(sλ1, φ0);\n          clean = 0;\n        }\n        listener.point(λ0 = λ1, φ0 = φ1);\n        sλ0 = sλ1;\n      },\n      lineEnd: function() {\n        listener.lineEnd();\n        λ0 = φ0 = NaN;\n      },\n      clean: function() {\n        return 2 - clean;\n      }\n    };\n  }\n  function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {\n    var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);\n    return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2;\n  }\n  function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {\n    var φ;\n    if (from == null) {\n      φ = direction * halfπ;\n      listener.point(-π, φ);\n      listener.point(0, φ);\n      listener.point(π, φ);\n      listener.point(π, 0);\n      listener.point(π, -φ);\n      listener.point(0, -φ);\n      listener.point(-π, -φ);\n      listener.point(-π, 0);\n      listener.point(-π, φ);\n    } else if (abs(from[0] - to[0]) > ε) {\n      var s = from[0] < to[0] ? π : -π;\n      φ = direction * s / 2;\n      listener.point(-s, φ);\n      listener.point(0, φ);\n      listener.point(s, φ);\n    } else {\n      listener.point(to[0], to[1]);\n    }\n  }\n  function d3_geo_pointInPolygon(point, polygon) {\n    var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0;\n    d3_geo_areaRingSum.reset();\n    for (var i = 0, n = polygon.length; i < n; ++i) {\n      var ring = polygon[i], m = ring.length;\n      if (!m) continue;\n      var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1;\n      while (true) {\n        if (j === m) j = 0;\n        point = ring[j];\n        var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ;\n        d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ)));\n        polarAngle += antimeridian ? dλ + sdλ * τ : dλ;\n        if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) {\n          var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point));\n          d3_geo_cartesianNormalize(arc);\n          var intersection = d3_geo_cartesianCross(meridianNormal, arc);\n          d3_geo_cartesianNormalize(intersection);\n          var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]);\n          if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) {\n            winding += antimeridian ^ dλ >= 0 ? 1 : -1;\n          }\n        }\n        if (!j++) break;\n        λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point;\n      }\n    }\n    return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < 0) ^ winding & 1;\n  }\n  function d3_geo_clipCircle(radius) {\n    var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);\n    return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]);\n    function visible(λ, φ) {\n      return Math.cos(λ) * Math.cos(φ) > cr;\n    }\n    function clipLine(listener) {\n      var point0, c0, v0, v00, clean;\n      return {\n        lineStart: function() {\n          v00 = v0 = false;\n          clean = 1;\n        },\n        point: function(λ, φ) {\n          var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0;\n          if (!point0 && (v00 = v0 = v)) listener.lineStart();\n          if (v !== v0) {\n            point2 = intersect(point0, point1);\n            if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {\n              point1[0] += ε;\n              point1[1] += ε;\n              v = visible(point1[0], point1[1]);\n            }\n          }\n          if (v !== v0) {\n            clean = 0;\n            if (v) {\n              listener.lineStart();\n              point2 = intersect(point1, point0);\n              listener.point(point2[0], point2[1]);\n            } else {\n              point2 = intersect(point0, point1);\n              listener.point(point2[0], point2[1]);\n              listener.lineEnd();\n            }\n            point0 = point2;\n          } else if (notHemisphere && point0 && smallRadius ^ v) {\n            var t;\n            if (!(c & c0) && (t = intersect(point1, point0, true))) {\n              clean = 0;\n              if (smallRadius) {\n                listener.lineStart();\n                listener.point(t[0][0], t[0][1]);\n                listener.point(t[1][0], t[1][1]);\n                listener.lineEnd();\n              } else {\n                listener.point(t[1][0], t[1][1]);\n                listener.lineEnd();\n                listener.lineStart();\n                listener.point(t[0][0], t[0][1]);\n              }\n            }\n          }\n          if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) {\n            listener.point(point1[0], point1[1]);\n          }\n          point0 = point1, v0 = v, c0 = c;\n        },\n        lineEnd: function() {\n          if (v0) listener.lineEnd();\n          point0 = null;\n        },\n        clean: function() {\n          return clean | (v00 && v0) << 1;\n        }\n      };\n    }\n    function intersect(a, b, two) {\n      var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b);\n      var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;\n      if (!determinant) return !two && a;\n      var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2);\n      d3_geo_cartesianAdd(A, B);\n      var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1);\n      if (t2 < 0) return;\n      var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu);\n      d3_geo_cartesianAdd(q, A);\n      q = d3_geo_spherical(q);\n      if (!two) return q;\n      var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z;\n      if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z;\n      var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε;\n      if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z;\n      if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) {\n        var q1 = d3_geo_cartesianScale(u, (-w + t) / uu);\n        d3_geo_cartesianAdd(q1, A);\n        return [ q, d3_geo_spherical(q1) ];\n      }\n    }\n    function code(λ, φ) {\n      var r = smallRadius ? radius : π - radius, code = 0;\n      if (λ < -r) code |= 1; else if (λ > r) code |= 2;\n      if (φ < -r) code |= 4; else if (φ > r) code |= 8;\n      return code;\n    }\n  }\n  function d3_geom_clipLine(x0, y0, x1, y1) {\n    return function(line) {\n      var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r;\n      r = x0 - ax;\n      if (!dx && r > 0) return;\n      r /= dx;\n      if (dx < 0) {\n        if (r < t0) return;\n        if (r < t1) t1 = r;\n      } else if (dx > 0) {\n        if (r > t1) return;\n        if (r > t0) t0 = r;\n      }\n      r = x1 - ax;\n      if (!dx && r < 0) return;\n      r /= dx;\n      if (dx < 0) {\n        if (r > t1) return;\n        if (r > t0) t0 = r;\n      } else if (dx > 0) {\n        if (r < t0) return;\n        if (r < t1) t1 = r;\n      }\n      r = y0 - ay;\n      if (!dy && r > 0) return;\n      r /= dy;\n      if (dy < 0) {\n        if (r < t0) return;\n        if (r < t1) t1 = r;\n      } else if (dy > 0) {\n        if (r > t1) return;\n        if (r > t0) t0 = r;\n      }\n      r = y1 - ay;\n      if (!dy && r < 0) return;\n      r /= dy;\n      if (dy < 0) {\n        if (r > t1) return;\n        if (r > t0) t0 = r;\n      } else if (dy > 0) {\n        if (r < t0) return;\n        if (r < t1) t1 = r;\n      }\n      if (t0 > 0) line.a = {\n        x: ax + t0 * dx,\n        y: ay + t0 * dy\n      };\n      if (t1 < 1) line.b = {\n        x: ax + t1 * dx,\n        y: ay + t1 * dy\n      };\n      return line;\n    };\n  }\n  var d3_geo_clipExtentMAX = 1e9;\n  d3.geo.clipExtent = function() {\n    var x0, y0, x1, y1, stream, clip, clipExtent = {\n      stream: function(output) {\n        if (stream) stream.valid = false;\n        stream = clip(output);\n        stream.valid = true;\n        return stream;\n      },\n      extent: function(_) {\n        if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];\n        clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]);\n        if (stream) stream.valid = false, stream = null;\n        return clipExtent;\n      }\n    };\n    return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]);\n  };\n  function d3_geo_clipExtent(x0, y0, x1, y1) {\n    return function(listener) {\n      var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring;\n      var clip = {\n        point: point,\n        lineStart: lineStart,\n        lineEnd: lineEnd,\n        polygonStart: function() {\n          listener = bufferListener;\n          segments = [];\n          polygon = [];\n          clean = true;\n        },\n        polygonEnd: function() {\n          listener = listener_;\n          segments = d3.merge(segments);\n          var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length;\n          if (inside || visible) {\n            listener.polygonStart();\n            if (inside) {\n              listener.lineStart();\n              interpolate(null, null, 1, listener);\n              listener.lineEnd();\n            }\n            if (visible) {\n              d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener);\n            }\n            listener.polygonEnd();\n          }\n          segments = polygon = ring = null;\n        }\n      };\n      function insidePolygon(p) {\n        var wn = 0, n = polygon.length, y = p[1];\n        for (var i = 0; i < n; ++i) {\n          for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) {\n            b = v[j];\n            if (a[1] <= y) {\n              if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn;\n            } else {\n              if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn;\n            }\n            a = b;\n          }\n        }\n        return wn !== 0;\n      }\n      function interpolate(from, to, direction, listener) {\n        var a = 0, a1 = 0;\n        if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) {\n          do {\n            listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);\n          } while ((a = (a + direction + 4) % 4) !== a1);\n        } else {\n          listener.point(to[0], to[1]);\n        }\n      }\n      function pointVisible(x, y) {\n        return x0 <= x && x <= x1 && y0 <= y && y <= y1;\n      }\n      function point(x, y) {\n        if (pointVisible(x, y)) listener.point(x, y);\n      }\n      var x__, y__, v__, x_, y_, v_, first, clean;\n      function lineStart() {\n        clip.point = linePoint;\n        if (polygon) polygon.push(ring = []);\n        first = true;\n        v_ = false;\n        x_ = y_ = NaN;\n      }\n      function lineEnd() {\n        if (segments) {\n          linePoint(x__, y__);\n          if (v__ && v_) bufferListener.rejoin();\n          segments.push(bufferListener.buffer());\n        }\n        clip.point = point;\n        if (v_) listener.lineEnd();\n      }\n      function linePoint(x, y) {\n        x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x));\n        y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y));\n        var v = pointVisible(x, y);\n        if (polygon) ring.push([ x, y ]);\n        if (first) {\n          x__ = x, y__ = y, v__ = v;\n          first = false;\n          if (v) {\n            listener.lineStart();\n            listener.point(x, y);\n          }\n        } else {\n          if (v && v_) listener.point(x, y); else {\n            var l = {\n              a: {\n                x: x_,\n                y: y_\n              },\n              b: {\n                x: x,\n                y: y\n              }\n            };\n            if (clipLine(l)) {\n              if (!v_) {\n                listener.lineStart();\n                listener.point(l.a.x, l.a.y);\n              }\n              listener.point(l.b.x, l.b.y);\n              if (!v) listener.lineEnd();\n              clean = false;\n            } else if (v) {\n              listener.lineStart();\n              listener.point(x, y);\n              clean = false;\n            }\n          }\n        }\n        x_ = x, y_ = y, v_ = v;\n      }\n      return clip;\n    };\n    function corner(p, direction) {\n      return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;\n    }\n    function compare(a, b) {\n      return comparePoints(a.x, b.x);\n    }\n    function comparePoints(a, b) {\n      var ca = corner(a, 1), cb = corner(b, 1);\n      return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0];\n    }\n  }\n  function d3_geo_conic(projectAt) {\n    var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1);\n    p.parallels = function(_) {\n      if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ];\n      return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180);\n    };\n    return p;\n  }\n  function d3_geo_conicEqualArea(φ0, φ1) {\n    var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;\n    function forward(λ, φ) {\n      var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;\n      return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];\n    }\n    forward.invert = function(x, y) {\n      var ρ0_y = ρ0 - y;\n      return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];\n    };\n    return forward;\n  }\n  (d3.geo.conicEqualArea = function() {\n    return d3_geo_conic(d3_geo_conicEqualArea);\n  }).raw = d3_geo_conicEqualArea;\n  d3.geo.albers = function() {\n    return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070);\n  };\n  d3.geo.albersUsa = function() {\n    var lower48 = d3.geo.albers();\n    var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]);\n    var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]);\n    var point, pointStream = {\n      point: function(x, y) {\n        point = [ x, y ];\n      }\n    }, lower48Point, alaskaPoint, hawaiiPoint;\n    function albersUsa(coordinates) {\n      var x = coordinates[0], y = coordinates[1];\n      point = null;\n      (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y);\n      return point;\n    }\n    albersUsa.invert = function(coordinates) {\n      var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k;\n      return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates);\n    };\n    albersUsa.stream = function(stream) {\n      var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream);\n      return {\n        point: function(x, y) {\n          lower48Stream.point(x, y);\n          alaskaStream.point(x, y);\n          hawaiiStream.point(x, y);\n        },\n        sphere: function() {\n          lower48Stream.sphere();\n          alaskaStream.sphere();\n          hawaiiStream.sphere();\n        },\n        lineStart: function() {\n          lower48Stream.lineStart();\n          alaskaStream.lineStart();\n          hawaiiStream.lineStart();\n        },\n        lineEnd: function() {\n          lower48Stream.lineEnd();\n          alaskaStream.lineEnd();\n          hawaiiStream.lineEnd();\n        },\n        polygonStart: function() {\n          lower48Stream.polygonStart();\n          alaskaStream.polygonStart();\n          hawaiiStream.polygonStart();\n        },\n        polygonEnd: function() {\n          lower48Stream.polygonEnd();\n          alaskaStream.polygonEnd();\n          hawaiiStream.polygonEnd();\n        }\n      };\n    };\n    albersUsa.precision = function(_) {\n      if (!arguments.length) return lower48.precision();\n      lower48.precision(_);\n      alaska.precision(_);\n      hawaii.precision(_);\n      return albersUsa;\n    };\n    albersUsa.scale = function(_) {\n      if (!arguments.length) return lower48.scale();\n      lower48.scale(_);\n      alaska.scale(_ * .35);\n      hawaii.scale(_);\n      return albersUsa.translate(lower48.translate());\n    };\n    albersUsa.translate = function(_) {\n      if (!arguments.length) return lower48.translate();\n      var k = lower48.scale(), x = +_[0], y = +_[1];\n      lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point;\n      alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;\n      hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;\n      return albersUsa;\n    };\n    return albersUsa.scale(1070);\n  };\n  var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {\n    point: d3_noop,\n    lineStart: d3_noop,\n    lineEnd: d3_noop,\n    polygonStart: function() {\n      d3_geo_pathAreaPolygon = 0;\n      d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;\n    },\n    polygonEnd: function() {\n      d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;\n      d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2);\n    }\n  };\n  function d3_geo_pathAreaRingStart() {\n    var x00, y00, x0, y0;\n    d3_geo_pathArea.point = function(x, y) {\n      d3_geo_pathArea.point = nextPoint;\n      x00 = x0 = x, y00 = y0 = y;\n    };\n    function nextPoint(x, y) {\n      d3_geo_pathAreaPolygon += y0 * x - x0 * y;\n      x0 = x, y0 = y;\n    }\n    d3_geo_pathArea.lineEnd = function() {\n      nextPoint(x00, y00);\n    };\n  }\n  var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1;\n  var d3_geo_pathBounds = {\n    point: d3_geo_pathBoundsPoint,\n    lineStart: d3_noop,\n    lineEnd: d3_noop,\n    polygonStart: d3_noop,\n    polygonEnd: d3_noop\n  };\n  function d3_geo_pathBoundsPoint(x, y) {\n    if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x;\n    if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x;\n    if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y;\n    if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y;\n  }\n  function d3_geo_pathBuffer() {\n    var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = [];\n    var stream = {\n      point: point,\n      lineStart: function() {\n        stream.point = pointLineStart;\n      },\n      lineEnd: lineEnd,\n      polygonStart: function() {\n        stream.lineEnd = lineEndPolygon;\n      },\n      polygonEnd: function() {\n        stream.lineEnd = lineEnd;\n        stream.point = point;\n      },\n      pointRadius: function(_) {\n        pointCircle = d3_geo_pathBufferCircle(_);\n        return stream;\n      },\n      result: function() {\n        if (buffer.length) {\n          var result = buffer.join(\"\");\n          buffer = [];\n          return result;\n        }\n      }\n    };\n    function point(x, y) {\n      buffer.push(\"M\", x, \",\", y, pointCircle);\n    }\n    function pointLineStart(x, y) {\n      buffer.push(\"M\", x, \",\", y);\n      stream.point = pointLine;\n    }\n    function pointLine(x, y) {\n      buffer.push(\"L\", x, \",\", y);\n    }\n    function lineEnd() {\n      stream.point = point;\n    }\n    function lineEndPolygon() {\n      buffer.push(\"Z\");\n    }\n    return stream;\n  }\n  function d3_geo_pathBufferCircle(radius) {\n    return \"m0,\" + radius + \"a\" + radius + \",\" + radius + \" 0 1,1 0,\" + -2 * radius + \"a\" + radius + \",\" + radius + \" 0 1,1 0,\" + 2 * radius + \"z\";\n  }\n  var d3_geo_pathCentroid = {\n    point: d3_geo_pathCentroidPoint,\n    lineStart: d3_geo_pathCentroidLineStart,\n    lineEnd: d3_geo_pathCentroidLineEnd,\n    polygonStart: function() {\n      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;\n    },\n    polygonEnd: function() {\n      d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;\n      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;\n      d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;\n    }\n  };\n  function d3_geo_pathCentroidPoint(x, y) {\n    d3_geo_centroidX0 += x;\n    d3_geo_centroidY0 += y;\n    ++d3_geo_centroidZ0;\n  }\n  function d3_geo_pathCentroidLineStart() {\n    var x0, y0;\n    d3_geo_pathCentroid.point = function(x, y) {\n      d3_geo_pathCentroid.point = nextPoint;\n      d3_geo_pathCentroidPoint(x0 = x, y0 = y);\n    };\n    function nextPoint(x, y) {\n      var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);\n      d3_geo_centroidX1 += z * (x0 + x) / 2;\n      d3_geo_centroidY1 += z * (y0 + y) / 2;\n      d3_geo_centroidZ1 += z;\n      d3_geo_pathCentroidPoint(x0 = x, y0 = y);\n    }\n  }\n  function d3_geo_pathCentroidLineEnd() {\n    d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;\n  }\n  function d3_geo_pathCentroidRingStart() {\n    var x00, y00, x0, y0;\n    d3_geo_pathCentroid.point = function(x, y) {\n      d3_geo_pathCentroid.point = nextPoint;\n      d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y);\n    };\n    function nextPoint(x, y) {\n      var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);\n      d3_geo_centroidX1 += z * (x0 + x) / 2;\n      d3_geo_centroidY1 += z * (y0 + y) / 2;\n      d3_geo_centroidZ1 += z;\n      z = y0 * x - x0 * y;\n      d3_geo_centroidX2 += z * (x0 + x);\n      d3_geo_centroidY2 += z * (y0 + y);\n      d3_geo_centroidZ2 += z * 3;\n      d3_geo_pathCentroidPoint(x0 = x, y0 = y);\n    }\n    d3_geo_pathCentroid.lineEnd = function() {\n      nextPoint(x00, y00);\n    };\n  }\n  function d3_geo_pathContext(context) {\n    var pointRadius = 4.5;\n    var stream = {\n      point: point,\n      lineStart: function() {\n        stream.point = pointLineStart;\n      },\n      lineEnd: lineEnd,\n      polygonStart: function() {\n        stream.lineEnd = lineEndPolygon;\n      },\n      polygonEnd: function() {\n        stream.lineEnd = lineEnd;\n        stream.point = point;\n      },\n      pointRadius: function(_) {\n        pointRadius = _;\n        return stream;\n      },\n      result: d3_noop\n    };\n    function point(x, y) {\n      context.moveTo(x + pointRadius, y);\n      context.arc(x, y, pointRadius, 0, τ);\n    }\n    function pointLineStart(x, y) {\n      context.moveTo(x, y);\n      stream.point = pointLine;\n    }\n    function pointLine(x, y) {\n      context.lineTo(x, y);\n    }\n    function lineEnd() {\n      stream.point = point;\n    }\n    function lineEndPolygon() {\n      context.closePath();\n    }\n    return stream;\n  }\n  function d3_geo_resample(project) {\n    var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16;\n    function resample(stream) {\n      return (maxDepth ? resampleRecursive : resampleNone)(stream);\n    }\n    function resampleNone(stream) {\n      return d3_geo_transformPoint(stream, function(x, y) {\n        x = project(x, y);\n        stream.point(x[0], x[1]);\n      });\n    }\n    function resampleRecursive(stream) {\n      var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0;\n      var resample = {\n        point: point,\n        lineStart: lineStart,\n        lineEnd: lineEnd,\n        polygonStart: function() {\n          stream.polygonStart();\n          resample.lineStart = ringStart;\n        },\n        polygonEnd: function() {\n          stream.polygonEnd();\n          resample.lineStart = lineStart;\n        }\n      };\n      function point(x, y) {\n        x = project(x, y);\n        stream.point(x[0], x[1]);\n      }\n      function lineStart() {\n        x0 = NaN;\n        resample.point = linePoint;\n        stream.lineStart();\n      }\n      function linePoint(λ, φ) {\n        var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);\n        resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);\n        stream.point(x0, y0);\n      }\n      function lineEnd() {\n        resample.point = point;\n        stream.lineEnd();\n      }\n      function ringStart() {\n        lineStart();\n        resample.point = ringPoint;\n        resample.lineEnd = ringEnd;\n      }\n      function ringPoint(λ, φ) {\n        linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;\n        resample.point = linePoint;\n      }\n      function ringEnd() {\n        resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);\n        resample.lineEnd = lineEnd;\n        lineEnd();\n      }\n      return resample;\n    }\n    function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {\n      var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;\n      if (d2 > 4 * δ2 && depth--) {\n        var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2;\n        if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) {\n          resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);\n          stream.point(x2, y2);\n          resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);\n        }\n      }\n    }\n    resample.precision = function(_) {\n      if (!arguments.length) return Math.sqrt(δ2);\n      maxDepth = (δ2 = _ * _) > 0 && 16;\n      return resample;\n    };\n    return resample;\n  }\n  d3.geo.path = function() {\n    var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream;\n    function path(object) {\n      if (object) {\n        if (typeof pointRadius === \"function\") contextStream.pointRadius(+pointRadius.apply(this, arguments));\n        if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream);\n        d3.geo.stream(object, cacheStream);\n      }\n      return contextStream.result();\n    }\n    path.area = function(object) {\n      d3_geo_pathAreaSum = 0;\n      d3.geo.stream(object, projectStream(d3_geo_pathArea));\n      return d3_geo_pathAreaSum;\n    };\n    path.centroid = function(object) {\n      d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;\n      d3.geo.stream(object, projectStream(d3_geo_pathCentroid));\n      return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ];\n    };\n    path.bounds = function(object) {\n      d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity);\n      d3.geo.stream(object, projectStream(d3_geo_pathBounds));\n      return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ];\n    };\n    path.projection = function(_) {\n      if (!arguments.length) return projection;\n      projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;\n      return reset();\n    };\n    path.context = function(_) {\n      if (!arguments.length) return context;\n      contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);\n      if (typeof pointRadius !== \"function\") contextStream.pointRadius(pointRadius);\n      return reset();\n    };\n    path.pointRadius = function(_) {\n      if (!arguments.length) return pointRadius;\n      pointRadius = typeof _ === \"function\" ? _ : (contextStream.pointRadius(+_), +_);\n      return path;\n    };\n    function reset() {\n      cacheStream = null;\n      return path;\n    }\n    return path.projection(d3.geo.albersUsa()).context(null);\n  };\n  function d3_geo_pathProjectStream(project) {\n    var resample = d3_geo_resample(function(x, y) {\n      return project([ x * d3_degrees, y * d3_degrees ]);\n    });\n    return function(stream) {\n      return d3_geo_projectionRadians(resample(stream));\n    };\n  }\n  d3.geo.transform = function(methods) {\n    return {\n      stream: function(stream) {\n        var transform = new d3_geo_transform(stream);\n        for (var k in methods) transform[k] = methods[k];\n        return transform;\n      }\n    };\n  };\n  function d3_geo_transform(stream) {\n    this.stream = stream;\n  }\n  d3_geo_transform.prototype = {\n    point: function(x, y) {\n      this.stream.point(x, y);\n    },\n    sphere: function() {\n      this.stream.sphere();\n    },\n    lineStart: function() {\n      this.stream.lineStart();\n    },\n    lineEnd: function() {\n      this.stream.lineEnd();\n    },\n    polygonStart: function() {\n      this.stream.polygonStart();\n    },\n    polygonEnd: function() {\n      this.stream.polygonEnd();\n    }\n  };\n  function d3_geo_transformPoint(stream, point) {\n    return {\n      point: point,\n      sphere: function() {\n        stream.sphere();\n      },\n      lineStart: function() {\n        stream.lineStart();\n      },\n      lineEnd: function() {\n        stream.lineEnd();\n      },\n      polygonStart: function() {\n        stream.polygonStart();\n      },\n      polygonEnd: function() {\n        stream.polygonEnd();\n      }\n    };\n  }\n  d3.geo.projection = d3_geo_projection;\n  d3.geo.projectionMutator = d3_geo_projectionMutator;\n  function d3_geo_projection(project) {\n    return d3_geo_projectionMutator(function() {\n      return project;\n    })();\n  }\n  function d3_geo_projectionMutator(projectAt) {\n    var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {\n      x = project(x, y);\n      return [ x[0] * k + δx, δy - x[1] * k ];\n    }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream;\n    function projection(point) {\n      point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);\n      return [ point[0] * k + δx, δy - point[1] * k ];\n    }\n    function invert(point) {\n      point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);\n      return point && [ point[0] * d3_degrees, point[1] * d3_degrees ];\n    }\n    projection.stream = function(output) {\n      if (stream) stream.valid = false;\n      stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output))));\n      stream.valid = true;\n      return stream;\n    };\n    projection.clipAngle = function(_) {\n      if (!arguments.length) return clipAngle;\n      preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians);\n      return invalidate();\n    };\n    projection.clipExtent = function(_) {\n      if (!arguments.length) return clipExtent;\n      clipExtent = _;\n      postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity;\n      return invalidate();\n    };\n    projection.scale = function(_) {\n      if (!arguments.length) return k;\n      k = +_;\n      return reset();\n    };\n    projection.translate = function(_) {\n      if (!arguments.length) return [ x, y ];\n      x = +_[0];\n      y = +_[1];\n      return reset();\n    };\n    projection.center = function(_) {\n      if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];\n      λ = _[0] % 360 * d3_radians;\n      φ = _[1] % 360 * d3_radians;\n      return reset();\n    };\n    projection.rotate = function(_) {\n      if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];\n      δλ = _[0] % 360 * d3_radians;\n      δφ = _[1] % 360 * d3_radians;\n      δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;\n      return reset();\n    };\n    d3.rebind(projection, projectResample, \"precision\");\n    function reset() {\n      projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);\n      var center = project(λ, φ);\n      δx = x - center[0] * k;\n      δy = y + center[1] * k;\n      return invalidate();\n    }\n    function invalidate() {\n      if (stream) stream.valid = false, stream = null;\n      return projection;\n    }\n    return function() {\n      project = projectAt.apply(this, arguments);\n      projection.invert = project.invert && invert;\n      return reset();\n    };\n  }\n  function d3_geo_projectionRadians(stream) {\n    return d3_geo_transformPoint(stream, function(x, y) {\n      stream.point(x * d3_radians, y * d3_radians);\n    });\n  }\n  function d3_geo_equirectangular(λ, φ) {\n    return [ λ, φ ];\n  }\n  (d3.geo.equirectangular = function() {\n    return d3_geo_projection(d3_geo_equirectangular);\n  }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;\n  d3.geo.rotation = function(rotate) {\n    rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0);\n    function forward(coordinates) {\n      coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians);\n      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;\n    }\n    forward.invert = function(coordinates) {\n      coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians);\n      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;\n    };\n    return forward;\n  };\n  function d3_geo_identityRotation(λ, φ) {\n    return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];\n  }\n  d3_geo_identityRotation.invert = d3_geo_equirectangular;\n  function d3_geo_rotation(δλ, δφ, δγ) {\n    return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation;\n  }\n  function d3_geo_forwardRotationλ(δλ) {\n    return function(λ, φ) {\n      return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];\n    };\n  }\n  function d3_geo_rotationλ(δλ) {\n    var rotation = d3_geo_forwardRotationλ(δλ);\n    rotation.invert = d3_geo_forwardRotationλ(-δλ);\n    return rotation;\n  }\n  function d3_geo_rotationφγ(δφ, δγ) {\n    var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);\n    function rotation(λ, φ) {\n      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;\n      return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ];\n    }\n    rotation.invert = function(λ, φ) {\n      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;\n      return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ];\n    };\n    return rotation;\n  }\n  d3.geo.circle = function() {\n    var origin = [ 0, 0 ], angle, precision = 6, interpolate;\n    function circle() {\n      var center = typeof origin === \"function\" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = [];\n      interpolate(null, null, 1, {\n        point: function(x, y) {\n          ring.push(x = rotate(x, y));\n          x[0] *= d3_degrees, x[1] *= d3_degrees;\n        }\n      });\n      return {\n        type: \"Polygon\",\n        coordinates: [ ring ]\n      };\n    }\n    circle.origin = function(x) {\n      if (!arguments.length) return origin;\n      origin = x;\n      return circle;\n    };\n    circle.angle = function(x) {\n      if (!arguments.length) return angle;\n      interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);\n      return circle;\n    };\n    circle.precision = function(_) {\n      if (!arguments.length) return precision;\n      interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);\n      return circle;\n    };\n    return circle.angle(90);\n  };\n  function d3_geo_circleInterpolate(radius, precision) {\n    var cr = Math.cos(radius), sr = Math.sin(radius);\n    return function(from, to, direction, listener) {\n      var step = direction * precision;\n      if (from != null) {\n        from = d3_geo_circleAngle(cr, from);\n        to = d3_geo_circleAngle(cr, to);\n        if (direction > 0 ? from < to : from > to) from += direction * τ;\n      } else {\n        from = radius + direction * τ;\n        to = radius - .5 * step;\n      }\n      for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) {\n        listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);\n      }\n    };\n  }\n  function d3_geo_circleAngle(cr, point) {\n    var a = d3_geo_cartesian(point);\n    a[0] -= cr;\n    d3_geo_cartesianNormalize(a);\n    var angle = d3_acos(-a[1]);\n    return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);\n  }\n  d3.geo.distance = function(a, b) {\n    var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t;\n    return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ);\n  };\n  d3.geo.graticule = function() {\n    var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5;\n    function graticule() {\n      return {\n        type: \"MultiLineString\",\n        coordinates: lines()\n      };\n    }\n    function lines() {\n      return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) {\n        return abs(x % DX) > ε;\n      }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {\n        return abs(y % DY) > ε;\n      }).map(y));\n    }\n    graticule.lines = function() {\n      return lines().map(function(coordinates) {\n        return {\n          type: \"LineString\",\n          coordinates: coordinates\n        };\n      });\n    };\n    graticule.outline = function() {\n      return {\n        type: \"Polygon\",\n        coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ]\n      };\n    };\n    graticule.extent = function(_) {\n      if (!arguments.length) return graticule.minorExtent();\n      return graticule.majorExtent(_).minorExtent(_);\n    };\n    graticule.majorExtent = function(_) {\n      if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ];\n      X0 = +_[0][0], X1 = +_[1][0];\n      Y0 = +_[0][1], Y1 = +_[1][1];\n      if (X0 > X1) _ = X0, X0 = X1, X1 = _;\n      if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;\n      return graticule.precision(precision);\n    };\n    graticule.minorExtent = function(_) {\n      if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];\n      x0 = +_[0][0], x1 = +_[1][0];\n      y0 = +_[0][1], y1 = +_[1][1];\n      if (x0 > x1) _ = x0, x0 = x1, x1 = _;\n      if (y0 > y1) _ = y0, y0 = y1, y1 = _;\n      return graticule.precision(precision);\n    };\n    graticule.step = function(_) {\n      if (!arguments.length) return graticule.minorStep();\n      return graticule.majorStep(_).minorStep(_);\n    };\n    graticule.majorStep = function(_) {\n      if (!arguments.length) return [ DX, DY ];\n      DX = +_[0], DY = +_[1];\n      return graticule;\n    };\n    graticule.minorStep = function(_) {\n      if (!arguments.length) return [ dx, dy ];\n      dx = +_[0], dy = +_[1];\n      return graticule;\n    };\n    graticule.precision = function(_) {\n      if (!arguments.length) return precision;\n      precision = +_;\n      x = d3_geo_graticuleX(y0, y1, 90);\n      y = d3_geo_graticuleY(x0, x1, precision);\n      X = d3_geo_graticuleX(Y0, Y1, 90);\n      Y = d3_geo_graticuleY(X0, X1, precision);\n      return graticule;\n    };\n    return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]);\n  };\n  function d3_geo_graticuleX(y0, y1, dy) {\n    var y = d3.range(y0, y1 - ε, dy).concat(y1);\n    return function(x) {\n      return y.map(function(y) {\n        return [ x, y ];\n      });\n    };\n  }\n  function d3_geo_graticuleY(x0, x1, dx) {\n    var x = d3.range(x0, x1 - ε, dx).concat(x1);\n    return function(y) {\n      return x.map(function(x) {\n        return [ x, y ];\n      });\n    };\n  }\n  function d3_source(d) {\n    return d.source;\n  }\n  function d3_target(d) {\n    return d.target;\n  }\n  d3.geo.greatArc = function() {\n    var source = d3_source, source_, target = d3_target, target_;\n    function greatArc() {\n      return {\n        type: \"LineString\",\n        coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ]\n      };\n    }\n    greatArc.distance = function() {\n      return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments));\n    };\n    greatArc.source = function(_) {\n      if (!arguments.length) return source;\n      source = _, source_ = typeof _ === \"function\" ? null : _;\n      return greatArc;\n    };\n    greatArc.target = function(_) {\n      if (!arguments.length) return target;\n      target = _, target_ = typeof _ === \"function\" ? null : _;\n      return greatArc;\n    };\n    greatArc.precision = function() {\n      return arguments.length ? greatArc : 0;\n    };\n    return greatArc;\n  };\n  d3.geo.interpolate = function(source, target) {\n    return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);\n  };\n  function d3_geo_interpolate(x0, y0, x1, y1) {\n    var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d);\n    var interpolate = d ? function(t) {\n      var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1;\n      return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ];\n    } : function() {\n      return [ x0 * d3_degrees, y0 * d3_degrees ];\n    };\n    interpolate.distance = d;\n    return interpolate;\n  }\n  d3.geo.length = function(object) {\n    d3_geo_lengthSum = 0;\n    d3.geo.stream(object, d3_geo_length);\n    return d3_geo_lengthSum;\n  };\n  var d3_geo_lengthSum;\n  var d3_geo_length = {\n    sphere: d3_noop,\n    point: d3_noop,\n    lineStart: d3_geo_lengthLineStart,\n    lineEnd: d3_noop,\n    polygonStart: d3_noop,\n    polygonEnd: d3_noop\n  };\n  function d3_geo_lengthLineStart() {\n    var λ0, sinφ0, cosφ0;\n    d3_geo_length.point = function(λ, φ) {\n      λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ);\n      d3_geo_length.point = nextPoint;\n    };\n    d3_geo_length.lineEnd = function() {\n      d3_geo_length.point = d3_geo_length.lineEnd = d3_noop;\n    };\n    function nextPoint(λ, φ) {\n      var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t);\n      d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ);\n      λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ;\n    }\n  }\n  function d3_geo_azimuthal(scale, angle) {\n    function azimuthal(λ, φ) {\n      var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);\n      return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];\n    }\n    azimuthal.invert = function(x, y) {\n      var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);\n      return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];\n    };\n    return azimuthal;\n  }\n  var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {\n    return Math.sqrt(2 / (1 + cosλcosφ));\n  }, function(ρ) {\n    return 2 * Math.asin(ρ / 2);\n  });\n  (d3.geo.azimuthalEqualArea = function() {\n    return d3_geo_projection(d3_geo_azimuthalEqualArea);\n  }).raw = d3_geo_azimuthalEqualArea;\n  var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {\n    var c = Math.acos(cosλcosφ);\n    return c && c / Math.sin(c);\n  }, d3_identity);\n  (d3.geo.azimuthalEquidistant = function() {\n    return d3_geo_projection(d3_geo_azimuthalEquidistant);\n  }).raw = d3_geo_azimuthalEquidistant;\n  function d3_geo_conicConformal(φ0, φ1) {\n    var cosφ0 = Math.cos(φ0), t = function(φ) {\n      return Math.tan(π / 4 + φ / 2);\n    }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n;\n    if (!n) return d3_geo_mercator;\n    function forward(λ, φ) {\n      if (F > 0) {\n        if (φ < -halfπ + ε) φ = -halfπ + ε;\n      } else {\n        if (φ > halfπ - ε) φ = halfπ - ε;\n      }\n      var ρ = F / Math.pow(t(φ), n);\n      return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ];\n    }\n    forward.invert = function(x, y) {\n      var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y);\n      return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ];\n    };\n    return forward;\n  }\n  (d3.geo.conicConformal = function() {\n    return d3_geo_conic(d3_geo_conicConformal);\n  }).raw = d3_geo_conicConformal;\n  function d3_geo_conicEquidistant(φ0, φ1) {\n    var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0;\n    if (abs(n) < ε) return d3_geo_equirectangular;\n    function forward(λ, φ) {\n      var ρ = G - φ;\n      return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ];\n    }\n    forward.invert = function(x, y) {\n      var ρ0_y = G - y;\n      return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ];\n    };\n    return forward;\n  }\n  (d3.geo.conicEquidistant = function() {\n    return d3_geo_conic(d3_geo_conicEquidistant);\n  }).raw = d3_geo_conicEquidistant;\n  var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {\n    return 1 / cosλcosφ;\n  }, Math.atan);\n  (d3.geo.gnomonic = function() {\n    return d3_geo_projection(d3_geo_gnomonic);\n  }).raw = d3_geo_gnomonic;\n  function d3_geo_mercator(λ, φ) {\n    return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ];\n  }\n  d3_geo_mercator.invert = function(x, y) {\n    return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ];\n  };\n  function d3_geo_mercatorProjection(project) {\n    var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto;\n    m.scale = function() {\n      var v = scale.apply(m, arguments);\n      return v === m ? clipAuto ? m.clipExtent(null) : m : v;\n    };\n    m.translate = function() {\n      var v = translate.apply(m, arguments);\n      return v === m ? clipAuto ? m.clipExtent(null) : m : v;\n    };\n    m.clipExtent = function(_) {\n      var v = clipExtent.apply(m, arguments);\n      if (v === m) {\n        if (clipAuto = _ == null) {\n          var k = π * scale(), t = translate();\n          clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]);\n        }\n      } else if (clipAuto) {\n        v = null;\n      }\n      return v;\n    };\n    return m.clipExtent(null);\n  }\n  (d3.geo.mercator = function() {\n    return d3_geo_mercatorProjection(d3_geo_mercator);\n  }).raw = d3_geo_mercator;\n  var d3_geo_orthographic = d3_geo_azimuthal(function() {\n    return 1;\n  }, Math.asin);\n  (d3.geo.orthographic = function() {\n    return d3_geo_projection(d3_geo_orthographic);\n  }).raw = d3_geo_orthographic;\n  var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {\n    return 1 / (1 + cosλcosφ);\n  }, function(ρ) {\n    return 2 * Math.atan(ρ);\n  });\n  (d3.geo.stereographic = function() {\n    return d3_geo_projection(d3_geo_stereographic);\n  }).raw = d3_geo_stereographic;\n  function d3_geo_transverseMercator(λ, φ) {\n    return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ];\n  }\n  d3_geo_transverseMercator.invert = function(x, y) {\n    return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ];\n  };\n  (d3.geo.transverseMercator = function() {\n    var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate;\n    projection.center = function(_) {\n      return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]);\n    };\n    projection.rotate = function(_) {\n      return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), \n      [ _[0], _[1], _[2] - 90 ]);\n    };\n    return rotate([ 0, 0, 90 ]);\n  }).raw = d3_geo_transverseMercator;\n  d3.geom = {};\n  function d3_geom_pointX(d) {\n    return d[0];\n  }\n  function d3_geom_pointY(d) {\n    return d[1];\n  }\n  d3.geom.hull = function(vertices) {\n    var x = d3_geom_pointX, y = d3_geom_pointY;\n    if (arguments.length) return hull(vertices);\n    function hull(data) {\n      if (data.length < 3) return [];\n      var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = [];\n      for (i = 0; i < n; i++) {\n        points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]);\n      }\n      points.sort(d3_geom_hullOrder);\n      for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]);\n      var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints);\n      var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = [];\n      for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]);\n      for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]);\n      return polygon;\n    }\n    hull.x = function(_) {\n      return arguments.length ? (x = _, hull) : x;\n    };\n    hull.y = function(_) {\n      return arguments.length ? (y = _, hull) : y;\n    };\n    return hull;\n  };\n  function d3_geom_hullUpper(points) {\n    var n = points.length, hull = [ 0, 1 ], hs = 2;\n    for (var i = 2; i < n; i++) {\n      while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs;\n      hull[hs++] = i;\n    }\n    return hull.slice(0, hs);\n  }\n  function d3_geom_hullOrder(a, b) {\n    return a[0] - b[0] || a[1] - b[1];\n  }\n  d3.geom.polygon = function(coordinates) {\n    d3_subclass(coordinates, d3_geom_polygonPrototype);\n    return coordinates;\n  };\n  var d3_geom_polygonPrototype = d3.geom.polygon.prototype = [];\n  d3_geom_polygonPrototype.area = function() {\n    var i = -1, n = this.length, a, b = this[n - 1], area = 0;\n    while (++i < n) {\n      a = b;\n      b = this[i];\n      area += a[1] * b[0] - a[0] * b[1];\n    }\n    return area * .5;\n  };\n  d3_geom_polygonPrototype.centroid = function(k) {\n    var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c;\n    if (!arguments.length) k = -1 / (6 * this.area());\n    while (++i < n) {\n      a = b;\n      b = this[i];\n      c = a[0] * b[1] - b[0] * a[1];\n      x += (a[0] + b[0]) * c;\n      y += (a[1] + b[1]) * c;\n    }\n    return [ x * k, y * k ];\n  };\n  d3_geom_polygonPrototype.clip = function(subject) {\n    var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d;\n    while (++i < n) {\n      input = subject.slice();\n      subject.length = 0;\n      b = this[i];\n      c = input[(m = input.length - closed) - 1];\n      j = -1;\n      while (++j < m) {\n        d = input[j];\n        if (d3_geom_polygonInside(d, a, b)) {\n          if (!d3_geom_polygonInside(c, a, b)) {\n            subject.push(d3_geom_polygonIntersect(c, d, a, b));\n          }\n          subject.push(d);\n        } else if (d3_geom_polygonInside(c, a, b)) {\n          subject.push(d3_geom_polygonIntersect(c, d, a, b));\n        }\n        c = d;\n      }\n      if (closed) subject.push(subject[0]);\n      a = b;\n    }\n    return subject;\n  };\n  function d3_geom_polygonInside(p, a, b) {\n    return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);\n  }\n  function d3_geom_polygonIntersect(c, d, a, b) {\n    var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21);\n    return [ x1 + ua * x21, y1 + ua * y21 ];\n  }\n  function d3_geom_polygonClosed(coordinates) {\n    var a = coordinates[0], b = coordinates[coordinates.length - 1];\n    return !(a[0] - b[0] || a[1] - b[1]);\n  }\n  var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = [];\n  function d3_geom_voronoiBeach() {\n    d3_geom_voronoiRedBlackNode(this);\n    this.edge = this.site = this.circle = null;\n  }\n  function d3_geom_voronoiCreateBeach(site) {\n    var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach();\n    beach.site = site;\n    return beach;\n  }\n  function d3_geom_voronoiDetachBeach(beach) {\n    d3_geom_voronoiDetachCircle(beach);\n    d3_geom_voronoiBeaches.remove(beach);\n    d3_geom_voronoiBeachPool.push(beach);\n    d3_geom_voronoiRedBlackNode(beach);\n  }\n  function d3_geom_voronoiRemoveBeach(beach) {\n    var circle = beach.circle, x = circle.x, y = circle.cy, vertex = {\n      x: x,\n      y: y\n    }, previous = beach.P, next = beach.N, disappearing = [ beach ];\n    d3_geom_voronoiDetachBeach(beach);\n    var lArc = previous;\n    while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) {\n      previous = lArc.P;\n      disappearing.unshift(lArc);\n      d3_geom_voronoiDetachBeach(lArc);\n      lArc = previous;\n    }\n    disappearing.unshift(lArc);\n    d3_geom_voronoiDetachCircle(lArc);\n    var rArc = next;\n    while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) {\n      next = rArc.N;\n      disappearing.push(rArc);\n      d3_geom_voronoiDetachBeach(rArc);\n      rArc = next;\n    }\n    disappearing.push(rArc);\n    d3_geom_voronoiDetachCircle(rArc);\n    var nArcs = disappearing.length, iArc;\n    for (iArc = 1; iArc < nArcs; ++iArc) {\n      rArc = disappearing[iArc];\n      lArc = disappearing[iArc - 1];\n      d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex);\n    }\n    lArc = disappearing[0];\n    rArc = disappearing[nArcs - 1];\n    rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex);\n    d3_geom_voronoiAttachCircle(lArc);\n    d3_geom_voronoiAttachCircle(rArc);\n  }\n  function d3_geom_voronoiAddBeach(site) {\n    var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._;\n    while (node) {\n      dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x;\n      if (dxl > ε) node = node.L; else {\n        dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix);\n        if (dxr > ε) {\n          if (!node.R) {\n            lArc = node;\n            break;\n          }\n          node = node.R;\n        } else {\n          if (dxl > -ε) {\n            lArc = node.P;\n            rArc = node;\n          } else if (dxr > -ε) {\n            lArc = node;\n            rArc = node.N;\n          } else {\n            lArc = rArc = node;\n          }\n          break;\n        }\n      }\n    }\n    var newArc = d3_geom_voronoiCreateBeach(site);\n    d3_geom_voronoiBeaches.insert(lArc, newArc);\n    if (!lArc && !rArc) return;\n    if (lArc === rArc) {\n      d3_geom_voronoiDetachCircle(lArc);\n      rArc = d3_geom_voronoiCreateBeach(lArc.site);\n      d3_geom_voronoiBeaches.insert(newArc, rArc);\n      newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);\n      d3_geom_voronoiAttachCircle(lArc);\n      d3_geom_voronoiAttachCircle(rArc);\n      return;\n    }\n    if (!rArc) {\n      newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);\n      return;\n    }\n    d3_geom_voronoiDetachCircle(lArc);\n    d3_geom_voronoiDetachCircle(rArc);\n    var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = {\n      x: (cy * hb - by * hc) / d + ax,\n      y: (bx * hc - cx * hb) / d + ay\n    };\n    d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex);\n    newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex);\n    rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex);\n    d3_geom_voronoiAttachCircle(lArc);\n    d3_geom_voronoiAttachCircle(rArc);\n  }\n  function d3_geom_voronoiLeftBreakPoint(arc, directrix) {\n    var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix;\n    if (!pby2) return rfocx;\n    var lArc = arc.P;\n    if (!lArc) return -Infinity;\n    site = lArc.site;\n    var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix;\n    if (!plby2) return lfocx;\n    var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2;\n    if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx;\n    return (rfocx + lfocx) / 2;\n  }\n  function d3_geom_voronoiRightBreakPoint(arc, directrix) {\n    var rArc = arc.N;\n    if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix);\n    var site = arc.site;\n    return site.y === directrix ? site.x : Infinity;\n  }\n  function d3_geom_voronoiCell(site) {\n    this.site = site;\n    this.edges = [];\n  }\n  d3_geom_voronoiCell.prototype.prepare = function() {\n    var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge;\n    while (iHalfEdge--) {\n      edge = halfEdges[iHalfEdge].edge;\n      if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1);\n    }\n    halfEdges.sort(d3_geom_voronoiHalfEdgeOrder);\n    return halfEdges.length;\n  };\n  function d3_geom_voronoiCloseCells(extent) {\n    var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end;\n    while (iCell--) {\n      cell = cells[iCell];\n      if (!cell || !cell.prepare()) continue;\n      halfEdges = cell.edges;\n      nHalfEdges = halfEdges.length;\n      iHalfEdge = 0;\n      while (iHalfEdge < nHalfEdges) {\n        end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y;\n        start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y;\n        if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) {\n          halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? {\n            x: x0,\n            y: abs(x2 - x0) < ε ? y2 : y1\n          } : abs(y3 - y1) < ε && x1 - x3 > ε ? {\n            x: abs(y2 - y1) < ε ? x2 : x1,\n            y: y1\n          } : abs(x3 - x1) < ε && y3 - y0 > ε ? {\n            x: x1,\n            y: abs(x2 - x1) < ε ? y2 : y0\n          } : abs(y3 - y0) < ε && x3 - x0 > ε ? {\n            x: abs(y2 - y0) < ε ? x2 : x0,\n            y: y0\n          } : null), cell.site, null));\n          ++nHalfEdges;\n        }\n      }\n    }\n  }\n  function d3_geom_voronoiHalfEdgeOrder(a, b) {\n    return b.angle - a.angle;\n  }\n  function d3_geom_voronoiCircle() {\n    d3_geom_voronoiRedBlackNode(this);\n    this.x = this.y = this.arc = this.site = this.cy = null;\n  }\n  function d3_geom_voronoiAttachCircle(arc) {\n    var lArc = arc.P, rArc = arc.N;\n    if (!lArc || !rArc) return;\n    var lSite = lArc.site, cSite = arc.site, rSite = rArc.site;\n    if (lSite === rSite) return;\n    var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by;\n    var d = 2 * (ax * cy - ay * cx);\n    if (d >= -ε2) return;\n    var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by;\n    var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle();\n    circle.arc = arc;\n    circle.site = cSite;\n    circle.x = x + bx;\n    circle.y = cy + Math.sqrt(x * x + y * y);\n    circle.cy = cy;\n    arc.circle = circle;\n    var before = null, node = d3_geom_voronoiCircles._;\n    while (node) {\n      if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) {\n        if (node.L) node = node.L; else {\n          before = node.P;\n          break;\n        }\n      } else {\n        if (node.R) node = node.R; else {\n          before = node;\n          break;\n        }\n      }\n    }\n    d3_geom_voronoiCircles.insert(before, circle);\n    if (!before) d3_geom_voronoiFirstCircle = circle;\n  }\n  function d3_geom_voronoiDetachCircle(arc) {\n    var circle = arc.circle;\n    if (circle) {\n      if (!circle.P) d3_geom_voronoiFirstCircle = circle.N;\n      d3_geom_voronoiCircles.remove(circle);\n      d3_geom_voronoiCirclePool.push(circle);\n      d3_geom_voronoiRedBlackNode(circle);\n      arc.circle = null;\n    }\n  }\n  function d3_geom_voronoiClipEdges(extent) {\n    var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e;\n    while (i--) {\n      e = edges[i];\n      if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) {\n        e.a = e.b = null;\n        edges.splice(i, 1);\n      }\n    }\n  }\n  function d3_geom_voronoiConnectEdge(edge, extent) {\n    var vb = edge.b;\n    if (vb) return true;\n    var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb;\n    if (ry === ly) {\n      if (fx < x0 || fx >= x1) return;\n      if (lx > rx) {\n        if (!va) va = {\n          x: fx,\n          y: y0\n        }; else if (va.y >= y1) return;\n        vb = {\n          x: fx,\n          y: y1\n        };\n      } else {\n        if (!va) va = {\n          x: fx,\n          y: y1\n        }; else if (va.y < y0) return;\n        vb = {\n          x: fx,\n          y: y0\n        };\n      }\n    } else {\n      fm = (lx - rx) / (ry - ly);\n      fb = fy - fm * fx;\n      if (fm < -1 || fm > 1) {\n        if (lx > rx) {\n          if (!va) va = {\n            x: (y0 - fb) / fm,\n            y: y0\n          }; else if (va.y >= y1) return;\n          vb = {\n            x: (y1 - fb) / fm,\n            y: y1\n          };\n        } else {\n          if (!va) va = {\n            x: (y1 - fb) / fm,\n            y: y1\n          }; else if (va.y < y0) return;\n          vb = {\n            x: (y0 - fb) / fm,\n            y: y0\n          };\n        }\n      } else {\n        if (ly < ry) {\n          if (!va) va = {\n            x: x0,\n            y: fm * x0 + fb\n          }; else if (va.x >= x1) return;\n          vb = {\n            x: x1,\n            y: fm * x1 + fb\n          };\n        } else {\n          if (!va) va = {\n            x: x1,\n            y: fm * x1 + fb\n          }; else if (va.x < x0) return;\n          vb = {\n            x: x0,\n            y: fm * x0 + fb\n          };\n        }\n      }\n    }\n    edge.a = va;\n    edge.b = vb;\n    return true;\n  }\n  function d3_geom_voronoiEdge(lSite, rSite) {\n    this.l = lSite;\n    this.r = rSite;\n    this.a = this.b = null;\n  }\n  function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) {\n    var edge = new d3_geom_voronoiEdge(lSite, rSite);\n    d3_geom_voronoiEdges.push(edge);\n    if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va);\n    if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb);\n    d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite));\n    d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite));\n    return edge;\n  }\n  function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) {\n    var edge = new d3_geom_voronoiEdge(lSite, null);\n    edge.a = va;\n    edge.b = vb;\n    d3_geom_voronoiEdges.push(edge);\n    return edge;\n  }\n  function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) {\n    if (!edge.a && !edge.b) {\n      edge.a = vertex;\n      edge.l = lSite;\n      edge.r = rSite;\n    } else if (edge.l === rSite) {\n      edge.b = vertex;\n    } else {\n      edge.a = vertex;\n    }\n  }\n  function d3_geom_voronoiHalfEdge(edge, lSite, rSite) {\n    var va = edge.a, vb = edge.b;\n    this.edge = edge;\n    this.site = lSite;\n    this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y);\n  }\n  d3_geom_voronoiHalfEdge.prototype = {\n    start: function() {\n      return this.edge.l === this.site ? this.edge.a : this.edge.b;\n    },\n    end: function() {\n      return this.edge.l === this.site ? this.edge.b : this.edge.a;\n    }\n  };\n  function d3_geom_voronoiRedBlackTree() {\n    this._ = null;\n  }\n  function d3_geom_voronoiRedBlackNode(node) {\n    node.U = node.C = node.L = node.R = node.P = node.N = null;\n  }\n  d3_geom_voronoiRedBlackTree.prototype = {\n    insert: function(after, node) {\n      var parent, grandpa, uncle;\n      if (after) {\n        node.P = after;\n        node.N = after.N;\n        if (after.N) after.N.P = node;\n        after.N = node;\n        if (after.R) {\n          after = after.R;\n          while (after.L) after = after.L;\n          after.L = node;\n        } else {\n          after.R = node;\n        }\n        parent = after;\n      } else if (this._) {\n        after = d3_geom_voronoiRedBlackFirst(this._);\n        node.P = null;\n        node.N = after;\n        after.P = after.L = node;\n        parent = after;\n      } else {\n        node.P = node.N = null;\n        this._ = node;\n        parent = null;\n      }\n      node.L = node.R = null;\n      node.U = parent;\n      node.C = true;\n      after = node;\n      while (parent && parent.C) {\n        grandpa = parent.U;\n        if (parent === grandpa.L) {\n          uncle = grandpa.R;\n          if (uncle && uncle.C) {\n            parent.C = uncle.C = false;\n            grandpa.C = true;\n            after = grandpa;\n          } else {\n            if (after === parent.R) {\n              d3_geom_voronoiRedBlackRotateLeft(this, parent);\n              after = parent;\n              parent = after.U;\n            }\n            parent.C = false;\n            grandpa.C = true;\n            d3_geom_voronoiRedBlackRotateRight(this, grandpa);\n          }\n        } else {\n          uncle = grandpa.L;\n          if (uncle && uncle.C) {\n            parent.C = uncle.C = false;\n            grandpa.C = true;\n            after = grandpa;\n          } else {\n            if (after === parent.L) {\n              d3_geom_voronoiRedBlackRotateRight(this, parent);\n              after = parent;\n              parent = after.U;\n            }\n            parent.C = false;\n            grandpa.C = true;\n            d3_geom_voronoiRedBlackRotateLeft(this, grandpa);\n          }\n        }\n        parent = after.U;\n      }\n      this._.C = false;\n    },\n    remove: function(node) {\n      if (node.N) node.N.P = node.P;\n      if (node.P) node.P.N = node.N;\n      node.N = node.P = null;\n      var parent = node.U, sibling, left = node.L, right = node.R, next, red;\n      if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right);\n      if (parent) {\n        if (parent.L === node) parent.L = next; else parent.R = next;\n      } else {\n        this._ = next;\n      }\n      if (left && right) {\n        red = next.C;\n        next.C = node.C;\n        next.L = left;\n        left.U = next;\n        if (next !== right) {\n          parent = next.U;\n          next.U = node.U;\n          node = next.R;\n          parent.L = node;\n          next.R = right;\n          right.U = next;\n        } else {\n          next.U = parent;\n          parent = next;\n          node = next.R;\n        }\n      } else {\n        red = node.C;\n        node = next;\n      }\n      if (node) node.U = parent;\n      if (red) return;\n      if (node && node.C) {\n        node.C = false;\n        return;\n      }\n      do {\n        if (node === this._) break;\n        if (node === parent.L) {\n          sibling = parent.R;\n          if (sibling.C) {\n            sibling.C = false;\n            parent.C = true;\n            d3_geom_voronoiRedBlackRotateLeft(this, parent);\n            sibling = parent.R;\n          }\n          if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {\n            if (!sibling.R || !sibling.R.C) {\n              sibling.L.C = false;\n              sibling.C = true;\n              d3_geom_voronoiRedBlackRotateRight(this, sibling);\n              sibling = parent.R;\n            }\n            sibling.C = parent.C;\n            parent.C = sibling.R.C = false;\n            d3_geom_voronoiRedBlackRotateLeft(this, parent);\n            node = this._;\n            break;\n          }\n        } else {\n          sibling = parent.L;\n          if (sibling.C) {\n            sibling.C = false;\n            parent.C = true;\n            d3_geom_voronoiRedBlackRotateRight(this, parent);\n            sibling = parent.L;\n          }\n          if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {\n            if (!sibling.L || !sibling.L.C) {\n              sibling.R.C = false;\n              sibling.C = true;\n              d3_geom_voronoiRedBlackRotateLeft(this, sibling);\n              sibling = parent.L;\n            }\n            sibling.C = parent.C;\n            parent.C = sibling.L.C = false;\n            d3_geom_voronoiRedBlackRotateRight(this, parent);\n            node = this._;\n            break;\n          }\n        }\n        sibling.C = true;\n        node = parent;\n        parent = parent.U;\n      } while (!node.C);\n      if (node) node.C = false;\n    }\n  };\n  function d3_geom_voronoiRedBlackRotateLeft(tree, node) {\n    var p = node, q = node.R, parent = p.U;\n    if (parent) {\n      if (parent.L === p) parent.L = q; else parent.R = q;\n    } else {\n      tree._ = q;\n    }\n    q.U = parent;\n    p.U = q;\n    p.R = q.L;\n    if (p.R) p.R.U = p;\n    q.L = p;\n  }\n  function d3_geom_voronoiRedBlackRotateRight(tree, node) {\n    var p = node, q = node.L, parent = p.U;\n    if (parent) {\n      if (parent.L === p) parent.L = q; else parent.R = q;\n    } else {\n      tree._ = q;\n    }\n    q.U = parent;\n    p.U = q;\n    p.L = q.R;\n    if (p.L) p.L.U = p;\n    q.R = p;\n  }\n  function d3_geom_voronoiRedBlackFirst(node) {\n    while (node.L) node = node.L;\n    return node;\n  }\n  function d3_geom_voronoi(sites, bbox) {\n    var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle;\n    d3_geom_voronoiEdges = [];\n    d3_geom_voronoiCells = new Array(sites.length);\n    d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree();\n    d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree();\n    while (true) {\n      circle = d3_geom_voronoiFirstCircle;\n      if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) {\n        if (site.x !== x0 || site.y !== y0) {\n          d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site);\n          d3_geom_voronoiAddBeach(site);\n          x0 = site.x, y0 = site.y;\n        }\n        site = sites.pop();\n      } else if (circle) {\n        d3_geom_voronoiRemoveBeach(circle.arc);\n      } else {\n        break;\n      }\n    }\n    if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox);\n    var diagram = {\n      cells: d3_geom_voronoiCells,\n      edges: d3_geom_voronoiEdges\n    };\n    d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null;\n    return diagram;\n  }\n  function d3_geom_voronoiVertexOrder(a, b) {\n    return b.y - a.y || b.x - a.x;\n  }\n  d3.geom.voronoi = function(points) {\n    var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent;\n    if (points) return voronoi(points);\n    function voronoi(data) {\n      var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1];\n      d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) {\n        var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) {\n          var s = e.start();\n          return [ s.x, s.y ];\n        }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : [];\n        polygon.point = data[i];\n      });\n      return polygons;\n    }\n    function sites(data) {\n      return data.map(function(d, i) {\n        return {\n          x: Math.round(fx(d, i) / ε) * ε,\n          y: Math.round(fy(d, i) / ε) * ε,\n          i: i\n        };\n      });\n    }\n    voronoi.links = function(data) {\n      return d3_geom_voronoi(sites(data)).edges.filter(function(edge) {\n        return edge.l && edge.r;\n      }).map(function(edge) {\n        return {\n          source: data[edge.l.i],\n          target: data[edge.r.i]\n        };\n      });\n    };\n    voronoi.triangles = function(data) {\n      var triangles = [];\n      d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) {\n        var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l;\n        while (++j < m) {\n          e0 = e1;\n          s0 = s1;\n          e1 = edges[j].edge;\n          s1 = e1.l === site ? e1.r : e1.l;\n          if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) {\n            triangles.push([ data[i], data[s0.i], data[s1.i] ]);\n          }\n        }\n      });\n      return triangles;\n    };\n    voronoi.x = function(_) {\n      return arguments.length ? (fx = d3_functor(x = _), voronoi) : x;\n    };\n    voronoi.y = function(_) {\n      return arguments.length ? (fy = d3_functor(y = _), voronoi) : y;\n    };\n    voronoi.clipExtent = function(_) {\n      if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent;\n      clipExtent = _ == null ? d3_geom_voronoiClipExtent : _;\n      return voronoi;\n    };\n    voronoi.size = function(_) {\n      if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1];\n      return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]);\n    };\n    return voronoi;\n  };\n  var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ];\n  function d3_geom_voronoiTriangleArea(a, b, c) {\n    return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y);\n  }\n  d3.geom.delaunay = function(vertices) {\n    return d3.geom.voronoi().triangles(vertices);\n  };\n  d3.geom.quadtree = function(points, x1, y1, x2, y2) {\n    var x = d3_geom_pointX, y = d3_geom_pointY, compat;\n    if (compat = arguments.length) {\n      x = d3_geom_quadtreeCompatX;\n      y = d3_geom_quadtreeCompatY;\n      if (compat === 3) {\n        y2 = y1;\n        x2 = x1;\n        y1 = x1 = 0;\n      }\n      return quadtree(points);\n    }\n    function quadtree(data) {\n      var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_;\n      if (x1 != null) {\n        x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2;\n      } else {\n        x2_ = y2_ = -(x1_ = y1_ = Infinity);\n        xs = [], ys = [];\n        n = data.length;\n        if (compat) for (i = 0; i < n; ++i) {\n          d = data[i];\n          if (d.x < x1_) x1_ = d.x;\n          if (d.y < y1_) y1_ = d.y;\n          if (d.x > x2_) x2_ = d.x;\n          if (d.y > y2_) y2_ = d.y;\n          xs.push(d.x);\n          ys.push(d.y);\n        } else for (i = 0; i < n; ++i) {\n          var x_ = +fx(d = data[i], i), y_ = +fy(d, i);\n          if (x_ < x1_) x1_ = x_;\n          if (y_ < y1_) y1_ = y_;\n          if (x_ > x2_) x2_ = x_;\n          if (y_ > y2_) y2_ = y_;\n          xs.push(x_);\n          ys.push(y_);\n        }\n      }\n      var dx = x2_ - x1_, dy = y2_ - y1_;\n      if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy;\n      function insert(n, d, x, y, x1, y1, x2, y2) {\n        if (isNaN(x) || isNaN(y)) return;\n        if (n.leaf) {\n          var nx = n.x, ny = n.y;\n          if (nx != null) {\n            if (abs(nx - x) + abs(ny - y) < .01) {\n              insertChild(n, d, x, y, x1, y1, x2, y2);\n            } else {\n              var nPoint = n.point;\n              n.x = n.y = n.point = null;\n              insertChild(n, nPoint, nx, ny, x1, y1, x2, y2);\n              insertChild(n, d, x, y, x1, y1, x2, y2);\n            }\n          } else {\n            n.x = x, n.y = y, n.point = d;\n          }\n        } else {\n          insertChild(n, d, x, y, x1, y1, x2, y2);\n        }\n      }\n      function insertChild(n, d, x, y, x1, y1, x2, y2) {\n        var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right;\n        n.leaf = false;\n        n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());\n        if (right) x1 = xm; else x2 = xm;\n        if (below) y1 = ym; else y2 = ym;\n        insert(n, d, x, y, x1, y1, x2, y2);\n      }\n      var root = d3_geom_quadtreeNode();\n      root.add = function(d) {\n        insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_);\n      };\n      root.visit = function(f) {\n        d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_);\n      };\n      root.find = function(point) {\n        return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_);\n      };\n      i = -1;\n      if (x1 == null) {\n        while (++i < n) {\n          insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_);\n        }\n        --i;\n      } else data.forEach(root.add);\n      xs = ys = data = d = null;\n      return root;\n    }\n    quadtree.x = function(_) {\n      return arguments.length ? (x = _, quadtree) : x;\n    };\n    quadtree.y = function(_) {\n      return arguments.length ? (y = _, quadtree) : y;\n    };\n    quadtree.extent = function(_) {\n      if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ];\n      if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], \n      y2 = +_[1][1];\n      return quadtree;\n    };\n    quadtree.size = function(_) {\n      if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ];\n      if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1];\n      return quadtree;\n    };\n    return quadtree;\n  };\n  function d3_geom_quadtreeCompatX(d) {\n    return d.x;\n  }\n  function d3_geom_quadtreeCompatY(d) {\n    return d.y;\n  }\n  function d3_geom_quadtreeNode() {\n    return {\n      leaf: true,\n      nodes: [],\n      point: null,\n      x: null,\n      y: null\n    };\n  }\n  function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {\n    if (!f(node, x1, y1, x2, y2)) {\n      var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;\n      if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);\n      if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);\n      if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);\n      if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);\n    }\n  }\n  function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) {\n    var minDistance2 = Infinity, closestPoint;\n    (function find(node, x1, y1, x2, y2) {\n      if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return;\n      if (point = node.point) {\n        var point, dx = x - node.x, dy = y - node.y, distance2 = dx * dx + dy * dy;\n        if (distance2 < minDistance2) {\n          var distance = Math.sqrt(minDistance2 = distance2);\n          x0 = x - distance, y0 = y - distance;\n          x3 = x + distance, y3 = y + distance;\n          closestPoint = point;\n        }\n      }\n      var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym;\n      for (var i = below << 1 | right, j = i + 4; i < j; ++i) {\n        if (node = children[i & 3]) switch (i & 3) {\n         case 0:\n          find(node, x1, y1, xm, ym);\n          break;\n\n         case 1:\n          find(node, xm, y1, x2, ym);\n          break;\n\n         case 2:\n          find(node, x1, ym, xm, y2);\n          break;\n\n         case 3:\n          find(node, xm, ym, x2, y2);\n          break;\n        }\n      }\n    })(root, x0, y0, x3, y3);\n    return closestPoint;\n  }\n  d3.interpolateRgb = d3_interpolateRgb;\n  function d3_interpolateRgb(a, b) {\n    a = d3.rgb(a);\n    b = d3.rgb(b);\n    var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;\n    return function(t) {\n      return \"#\" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t));\n    };\n  }\n  d3.interpolateObject = d3_interpolateObject;\n  function d3_interpolateObject(a, b) {\n    var i = {}, c = {}, k;\n    for (k in a) {\n      if (k in b) {\n        i[k] = d3_interpolate(a[k], b[k]);\n      } else {\n        c[k] = a[k];\n      }\n    }\n    for (k in b) {\n      if (!(k in a)) {\n        c[k] = b[k];\n      }\n    }\n    return function(t) {\n      for (k in i) c[k] = i[k](t);\n      return c;\n    };\n  }\n  d3.interpolateNumber = d3_interpolateNumber;\n  function d3_interpolateNumber(a, b) {\n    a = +a, b = +b;\n    return function(t) {\n      return a * (1 - t) + b * t;\n    };\n  }\n  d3.interpolateString = d3_interpolateString;\n  function d3_interpolateString(a, b) {\n    var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = [];\n    a = a + \"\", b = b + \"\";\n    while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) {\n      if ((bs = bm.index) > bi) {\n        bs = b.slice(bi, bs);\n        if (s[i]) s[i] += bs; else s[++i] = bs;\n      }\n      if ((am = am[0]) === (bm = bm[0])) {\n        if (s[i]) s[i] += bm; else s[++i] = bm;\n      } else {\n        s[++i] = null;\n        q.push({\n          i: i,\n          x: d3_interpolateNumber(am, bm)\n        });\n      }\n      bi = d3_interpolate_numberB.lastIndex;\n    }\n    if (bi < b.length) {\n      bs = b.slice(bi);\n      if (s[i]) s[i] += bs; else s[++i] = bs;\n    }\n    return s.length < 2 ? q[0] ? (b = q[0].x, function(t) {\n      return b(t) + \"\";\n    }) : function() {\n      return b;\n    } : (b = q.length, function(t) {\n      for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t);\n      return s.join(\"\");\n    });\n  }\n  var d3_interpolate_numberA = /[-+]?(?:\\d+\\.?\\d*|\\.?\\d+)(?:[eE][-+]?\\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, \"g\");\n  d3.interpolate = d3_interpolate;\n  function d3_interpolate(a, b) {\n    var i = d3.interpolators.length, f;\n    while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;\n    return f;\n  }\n  d3.interpolators = [ function(a, b) {\n    var t = typeof b;\n    return (t === \"string\" ? d3_rgb_names.has(b) || /^(#|rgb\\(|hsl\\()/.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === \"object\" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b);\n  } ];\n  d3.interpolateArray = d3_interpolateArray;\n  function d3_interpolateArray(a, b) {\n    var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;\n    for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i]));\n    for (;i < na; ++i) c[i] = a[i];\n    for (;i < nb; ++i) c[i] = b[i];\n    return function(t) {\n      for (i = 0; i < n0; ++i) c[i] = x[i](t);\n      return c;\n    };\n  }\n  var d3_ease_default = function() {\n    return d3_identity;\n  };\n  var d3_ease = d3.map({\n    linear: d3_ease_default,\n    poly: d3_ease_poly,\n    quad: function() {\n      return d3_ease_quad;\n    },\n    cubic: function() {\n      return d3_ease_cubic;\n    },\n    sin: function() {\n      return d3_ease_sin;\n    },\n    exp: function() {\n      return d3_ease_exp;\n    },\n    circle: function() {\n      return d3_ease_circle;\n    },\n    elastic: d3_ease_elastic,\n    back: d3_ease_back,\n    bounce: function() {\n      return d3_ease_bounce;\n    }\n  });\n  var d3_ease_mode = d3.map({\n    \"in\": d3_identity,\n    out: d3_ease_reverse,\n    \"in-out\": d3_ease_reflect,\n    \"out-in\": function(f) {\n      return d3_ease_reflect(d3_ease_reverse(f));\n    }\n  });\n  d3.ease = function(name) {\n    var i = name.indexOf(\"-\"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : \"in\";\n    t = d3_ease.get(t) || d3_ease_default;\n    m = d3_ease_mode.get(m) || d3_identity;\n    return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1))));\n  };\n  function d3_ease_clamp(f) {\n    return function(t) {\n      return t <= 0 ? 0 : t >= 1 ? 1 : f(t);\n    };\n  }\n  function d3_ease_reverse(f) {\n    return function(t) {\n      return 1 - f(1 - t);\n    };\n  }\n  function d3_ease_reflect(f) {\n    return function(t) {\n      return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));\n    };\n  }\n  function d3_ease_quad(t) {\n    return t * t;\n  }\n  function d3_ease_cubic(t) {\n    return t * t * t;\n  }\n  function d3_ease_cubicInOut(t) {\n    if (t <= 0) return 0;\n    if (t >= 1) return 1;\n    var t2 = t * t, t3 = t2 * t;\n    return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);\n  }\n  function d3_ease_poly(e) {\n    return function(t) {\n      return Math.pow(t, e);\n    };\n  }\n  function d3_ease_sin(t) {\n    return 1 - Math.cos(t * halfπ);\n  }\n  function d3_ease_exp(t) {\n    return Math.pow(2, 10 * (t - 1));\n  }\n  function d3_ease_circle(t) {\n    return 1 - Math.sqrt(1 - t * t);\n  }\n  function d3_ease_elastic(a, p) {\n    var s;\n    if (arguments.length < 2) p = .45;\n    if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4;\n    return function(t) {\n      return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p);\n    };\n  }\n  function d3_ease_back(s) {\n    if (!s) s = 1.70158;\n    return function(t) {\n      return t * t * ((s + 1) * t - s);\n    };\n  }\n  function d3_ease_bounce(t) {\n    return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;\n  }\n  d3.interpolateHcl = d3_interpolateHcl;\n  function d3_interpolateHcl(a, b) {\n    a = d3.hcl(a);\n    b = d3.hcl(b);\n    var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;\n    if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac;\n    if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;\n    return function(t) {\n      return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + \"\";\n    };\n  }\n  d3.interpolateHsl = d3_interpolateHsl;\n  function d3_interpolateHsl(a, b) {\n    a = d3.hsl(a);\n    b = d3.hsl(b);\n    var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al;\n    if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as;\n    if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;\n    return function(t) {\n      return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + \"\";\n    };\n  }\n  d3.interpolateLab = d3_interpolateLab;\n  function d3_interpolateLab(a, b) {\n    a = d3.lab(a);\n    b = d3.lab(b);\n    var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;\n    return function(t) {\n      return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + \"\";\n    };\n  }\n  d3.interpolateRound = d3_interpolateRound;\n  function d3_interpolateRound(a, b) {\n    b -= a;\n    return function(t) {\n      return Math.round(a + b * t);\n    };\n  }\n  d3.transform = function(string) {\n    var g = d3_document.createElementNS(d3.ns.prefix.svg, \"g\");\n    return (d3.transform = function(string) {\n      if (string != null) {\n        g.setAttribute(\"transform\", string);\n        var t = g.transform.baseVal.consolidate();\n      }\n      return new d3_transform(t ? t.matrix : d3_transformIdentity);\n    })(string);\n  };\n  function d3_transform(m) {\n    var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;\n    if (r0[0] * r1[1] < r1[0] * r0[1]) {\n      r0[0] *= -1;\n      r0[1] *= -1;\n      kx *= -1;\n      kz *= -1;\n    }\n    this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;\n    this.translate = [ m.e, m.f ];\n    this.scale = [ kx, ky ];\n    this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;\n  }\n  d3_transform.prototype.toString = function() {\n    return \"translate(\" + this.translate + \")rotate(\" + this.rotate + \")skewX(\" + this.skew + \")scale(\" + this.scale + \")\";\n  };\n  function d3_transformDot(a, b) {\n    return a[0] * b[0] + a[1] * b[1];\n  }\n  function d3_transformNormalize(a) {\n    var k = Math.sqrt(d3_transformDot(a, a));\n    if (k) {\n      a[0] /= k;\n      a[1] /= k;\n    }\n    return k;\n  }\n  function d3_transformCombine(a, b, k) {\n    a[0] += k * b[0];\n    a[1] += k * b[1];\n    return a;\n  }\n  var d3_transformIdentity = {\n    a: 1,\n    b: 0,\n    c: 0,\n    d: 1,\n    e: 0,\n    f: 0\n  };\n  d3.interpolateTransform = d3_interpolateTransform;\n  function d3_interpolateTransform(a, b) {\n    var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale;\n    if (ta[0] != tb[0] || ta[1] != tb[1]) {\n      s.push(\"translate(\", null, \",\", null, \")\");\n      q.push({\n        i: 1,\n        x: d3_interpolateNumber(ta[0], tb[0])\n      }, {\n        i: 3,\n        x: d3_interpolateNumber(ta[1], tb[1])\n      });\n    } else if (tb[0] || tb[1]) {\n      s.push(\"translate(\" + tb + \")\");\n    } else {\n      s.push(\"\");\n    }\n    if (ra != rb) {\n      if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;\n      q.push({\n        i: s.push(s.pop() + \"rotate(\", null, \")\") - 2,\n        x: d3_interpolateNumber(ra, rb)\n      });\n    } else if (rb) {\n      s.push(s.pop() + \"rotate(\" + rb + \")\");\n    }\n    if (wa != wb) {\n      q.push({\n        i: s.push(s.pop() + \"skewX(\", null, \")\") - 2,\n        x: d3_interpolateNumber(wa, wb)\n      });\n    } else if (wb) {\n      s.push(s.pop() + \"skewX(\" + wb + \")\");\n    }\n    if (ka[0] != kb[0] || ka[1] != kb[1]) {\n      n = s.push(s.pop() + \"scale(\", null, \",\", null, \")\");\n      q.push({\n        i: n - 4,\n        x: d3_interpolateNumber(ka[0], kb[0])\n      }, {\n        i: n - 2,\n        x: d3_interpolateNumber(ka[1], kb[1])\n      });\n    } else if (kb[0] != 1 || kb[1] != 1) {\n      s.push(s.pop() + \"scale(\" + kb + \")\");\n    }\n    n = q.length;\n    return function(t) {\n      var i = -1, o;\n      while (++i < n) s[(o = q[i]).i] = o.x(t);\n      return s.join(\"\");\n    };\n  }\n  function d3_uninterpolateNumber(a, b) {\n    b = (b -= a = +a) || 1 / b;\n    return function(x) {\n      return (x - a) / b;\n    };\n  }\n  function d3_uninterpolateClamp(a, b) {\n    b = (b -= a = +a) || 1 / b;\n    return function(x) {\n      return Math.max(0, Math.min(1, (x - a) / b));\n    };\n  }\n  d3.layout = {};\n  d3.layout.bundle = function() {\n    return function(links) {\n      var paths = [], i = -1, n = links.length;\n      while (++i < n) paths.push(d3_layout_bundlePath(links[i]));\n      return paths;\n    };\n  };\n  function d3_layout_bundlePath(link) {\n    var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];\n    while (start !== lca) {\n      start = start.parent;\n      points.push(start);\n    }\n    var k = points.length;\n    while (end !== lca) {\n      points.splice(k, 0, end);\n      end = end.parent;\n    }\n    return points;\n  }\n  function d3_layout_bundleAncestors(node) {\n    var ancestors = [], parent = node.parent;\n    while (parent != null) {\n      ancestors.push(node);\n      node = parent;\n      parent = parent.parent;\n    }\n    ancestors.push(node);\n    return ancestors;\n  }\n  function d3_layout_bundleLeastCommonAncestor(a, b) {\n    if (a === b) return a;\n    var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;\n    while (aNode === bNode) {\n      sharedNode = aNode;\n      aNode = aNodes.pop();\n      bNode = bNodes.pop();\n    }\n    return sharedNode;\n  }\n  d3.layout.chord = function() {\n    var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;\n    function relayout() {\n      var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;\n      chords = [];\n      groups = [];\n      k = 0, i = -1;\n      while (++i < n) {\n        x = 0, j = -1;\n        while (++j < n) {\n          x += matrix[i][j];\n        }\n        groupSums.push(x);\n        subgroupIndex.push(d3.range(n));\n        k += x;\n      }\n      if (sortGroups) {\n        groupIndex.sort(function(a, b) {\n          return sortGroups(groupSums[a], groupSums[b]);\n        });\n      }\n      if (sortSubgroups) {\n        subgroupIndex.forEach(function(d, i) {\n          d.sort(function(a, b) {\n            return sortSubgroups(matrix[i][a], matrix[i][b]);\n          });\n        });\n      }\n      k = (τ - padding * n) / k;\n      x = 0, i = -1;\n      while (++i < n) {\n        x0 = x, j = -1;\n        while (++j < n) {\n          var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;\n          subgroups[di + \"-\" + dj] = {\n            index: di,\n            subindex: dj,\n            startAngle: a0,\n            endAngle: a1,\n            value: v\n          };\n        }\n        groups[di] = {\n          index: di,\n          startAngle: x0,\n          endAngle: x,\n          value: (x - x0) / k\n        };\n        x += padding;\n      }\n      i = -1;\n      while (++i < n) {\n        j = i - 1;\n        while (++j < n) {\n          var source = subgroups[i + \"-\" + j], target = subgroups[j + \"-\" + i];\n          if (source.value || target.value) {\n            chords.push(source.value < target.value ? {\n              source: target,\n              target: source\n            } : {\n              source: source,\n              target: target\n            });\n          }\n        }\n      }\n      if (sortChords) resort();\n    }\n    function resort() {\n      chords.sort(function(a, b) {\n        return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);\n      });\n    }\n    chord.matrix = function(x) {\n      if (!arguments.length) return matrix;\n      n = (matrix = x) && matrix.length;\n      chords = groups = null;\n      return chord;\n    };\n    chord.padding = function(x) {\n      if (!arguments.length) return padding;\n      padding = x;\n      chords = groups = null;\n      return chord;\n    };\n    chord.sortGroups = function(x) {\n      if (!arguments.length) return sortGroups;\n      sortGroups = x;\n      chords = groups = null;\n      return chord;\n    };\n    chord.sortSubgroups = function(x) {\n      if (!arguments.length) return sortSubgroups;\n      sortSubgroups = x;\n      chords = null;\n      return chord;\n    };\n    chord.sortChords = function(x) {\n      if (!arguments.length) return sortChords;\n      sortChords = x;\n      if (chords) resort();\n      return chord;\n    };\n    chord.chords = function() {\n      if (!chords) relayout();\n      return chords;\n    };\n    chord.groups = function() {\n      if (!groups) relayout();\n      return groups;\n    };\n    return chord;\n  };\n  d3.layout.force = function() {\n    var force = {}, event = d3.dispatch(\"start\", \"tick\", \"end\"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges;\n    function repulse(node) {\n      return function(quad, x1, _, x2) {\n        if (quad.point !== node) {\n          var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy;\n          if (dw * dw / theta2 < dn) {\n            if (dn < chargeDistance2) {\n              var k = quad.charge / dn;\n              node.px -= dx * k;\n              node.py -= dy * k;\n            }\n            return true;\n          }\n          if (quad.point && dn && dn < chargeDistance2) {\n            var k = quad.pointCharge / dn;\n            node.px -= dx * k;\n            node.py -= dy * k;\n          }\n        }\n        return !quad.charge;\n      };\n    }\n    force.tick = function() {\n      if ((alpha *= .99) < .005) {\n        event.end({\n          type: \"end\",\n          alpha: alpha = 0\n        });\n        return true;\n      }\n      var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;\n      for (i = 0; i < m; ++i) {\n        o = links[i];\n        s = o.source;\n        t = o.target;\n        x = t.x - s.x;\n        y = t.y - s.y;\n        if (l = x * x + y * y) {\n          l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;\n          x *= l;\n          y *= l;\n          t.x -= x * (k = s.weight / (t.weight + s.weight));\n          t.y -= y * k;\n          s.x += x * (k = 1 - k);\n          s.y += y * k;\n        }\n      }\n      if (k = alpha * gravity) {\n        x = size[0] / 2;\n        y = size[1] / 2;\n        i = -1;\n        if (k) while (++i < n) {\n          o = nodes[i];\n          o.x += (x - o.x) * k;\n          o.y += (y - o.y) * k;\n        }\n      }\n      if (charge) {\n        d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);\n        i = -1;\n        while (++i < n) {\n          if (!(o = nodes[i]).fixed) {\n            q.visit(repulse(o));\n          }\n        }\n      }\n      i = -1;\n      while (++i < n) {\n        o = nodes[i];\n        if (o.fixed) {\n          o.x = o.px;\n          o.y = o.py;\n        } else {\n          o.x -= (o.px - (o.px = o.x)) * friction;\n          o.y -= (o.py - (o.py = o.y)) * friction;\n        }\n      }\n      event.tick({\n        type: \"tick\",\n        alpha: alpha\n      });\n    };\n    force.nodes = function(x) {\n      if (!arguments.length) return nodes;\n      nodes = x;\n      return force;\n    };\n    force.links = function(x) {\n      if (!arguments.length) return links;\n      links = x;\n      return force;\n    };\n    force.size = function(x) {\n      if (!arguments.length) return size;\n      size = x;\n      return force;\n    };\n    force.linkDistance = function(x) {\n      if (!arguments.length) return linkDistance;\n      linkDistance = typeof x === \"function\" ? x : +x;\n      return force;\n    };\n    force.distance = force.linkDistance;\n    force.linkStrength = function(x) {\n      if (!arguments.length) return linkStrength;\n      linkStrength = typeof x === \"function\" ? x : +x;\n      return force;\n    };\n    force.friction = function(x) {\n      if (!arguments.length) return friction;\n      friction = +x;\n      return force;\n    };\n    force.charge = function(x) {\n      if (!arguments.length) return charge;\n      charge = typeof x === \"function\" ? x : +x;\n      return force;\n    };\n    force.chargeDistance = function(x) {\n      if (!arguments.length) return Math.sqrt(chargeDistance2);\n      chargeDistance2 = x * x;\n      return force;\n    };\n    force.gravity = function(x) {\n      if (!arguments.length) return gravity;\n      gravity = +x;\n      return force;\n    };\n    force.theta = function(x) {\n      if (!arguments.length) return Math.sqrt(theta2);\n      theta2 = x * x;\n      return force;\n    };\n    force.alpha = function(x) {\n      if (!arguments.length) return alpha;\n      x = +x;\n      if (alpha) {\n        if (x > 0) alpha = x; else alpha = 0;\n      } else if (x > 0) {\n        event.start({\n          type: \"start\",\n          alpha: alpha = x\n        });\n        d3.timer(force.tick);\n      }\n      return force;\n    };\n    force.start = function() {\n      var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;\n      for (i = 0; i < n; ++i) {\n        (o = nodes[i]).index = i;\n        o.weight = 0;\n      }\n      for (i = 0; i < m; ++i) {\n        o = links[i];\n        if (typeof o.source == \"number\") o.source = nodes[o.source];\n        if (typeof o.target == \"number\") o.target = nodes[o.target];\n        ++o.source.weight;\n        ++o.target.weight;\n      }\n      for (i = 0; i < n; ++i) {\n        o = nodes[i];\n        if (isNaN(o.x)) o.x = position(\"x\", w);\n        if (isNaN(o.y)) o.y = position(\"y\", h);\n        if (isNaN(o.px)) o.px = o.x;\n        if (isNaN(o.py)) o.py = o.y;\n      }\n      distances = [];\n      if (typeof linkDistance === \"function\") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance;\n      strengths = [];\n      if (typeof linkStrength === \"function\") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength;\n      charges = [];\n      if (typeof charge === \"function\") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge;\n      function position(dimension, size) {\n        if (!neighbors) {\n          neighbors = new Array(n);\n          for (j = 0; j < n; ++j) {\n            neighbors[j] = [];\n          }\n          for (j = 0; j < m; ++j) {\n            var o = links[j];\n            neighbors[o.source.index].push(o.target);\n            neighbors[o.target.index].push(o.source);\n          }\n        }\n        var candidates = neighbors[i], j = -1, l = candidates.length, x;\n        while (++j < l) if (!isNaN(x = candidates[j][dimension])) return x;\n        return Math.random() * size;\n      }\n      return force.resume();\n    };\n    force.resume = function() {\n      return force.alpha(.1);\n    };\n    force.stop = function() {\n      return force.alpha(0);\n    };\n    force.drag = function() {\n      if (!drag) drag = d3.behavior.drag().origin(d3_identity).on(\"dragstart.force\", d3_layout_forceDragstart).on(\"drag.force\", dragmove).on(\"dragend.force\", d3_layout_forceDragend);\n      if (!arguments.length) return drag;\n      this.on(\"mouseover.force\", d3_layout_forceMouseover).on(\"mouseout.force\", d3_layout_forceMouseout).call(drag);\n    };\n    function dragmove(d) {\n      d.px = d3.event.x, d.py = d3.event.y;\n      force.resume();\n    }\n    return d3.rebind(force, event, \"on\");\n  };\n  function d3_layout_forceDragstart(d) {\n    d.fixed |= 2;\n  }\n  function d3_layout_forceDragend(d) {\n    d.fixed &= ~6;\n  }\n  function d3_layout_forceMouseover(d) {\n    d.fixed |= 4;\n    d.px = d.x, d.py = d.y;\n  }\n  function d3_layout_forceMouseout(d) {\n    d.fixed &= ~4;\n  }\n  function d3_layout_forceAccumulate(quad, alpha, charges) {\n    var cx = 0, cy = 0;\n    quad.charge = 0;\n    if (!quad.leaf) {\n      var nodes = quad.nodes, n = nodes.length, i = -1, c;\n      while (++i < n) {\n        c = nodes[i];\n        if (c == null) continue;\n        d3_layout_forceAccumulate(c, alpha, charges);\n        quad.charge += c.charge;\n        cx += c.charge * c.cx;\n        cy += c.charge * c.cy;\n      }\n    }\n    if (quad.point) {\n      if (!quad.leaf) {\n        quad.point.x += Math.random() - .5;\n        quad.point.y += Math.random() - .5;\n      }\n      var k = alpha * charges[quad.point.index];\n      quad.charge += quad.pointCharge = k;\n      cx += k * quad.point.x;\n      cy += k * quad.point.y;\n    }\n    quad.cx = cx / quad.charge;\n    quad.cy = cy / quad.charge;\n  }\n  var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity;\n  d3.layout.hierarchy = function() {\n    var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;\n    function hierarchy(root) {\n      var stack = [ root ], nodes = [], node;\n      root.depth = 0;\n      while ((node = stack.pop()) != null) {\n        nodes.push(node);\n        if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) {\n          var n, childs, child;\n          while (--n >= 0) {\n            stack.push(child = childs[n]);\n            child.parent = node;\n            child.depth = node.depth + 1;\n          }\n          if (value) node.value = 0;\n          node.children = childs;\n        } else {\n          if (value) node.value = +value.call(hierarchy, node, node.depth) || 0;\n          delete node.children;\n        }\n      }\n      d3_layout_hierarchyVisitAfter(root, function(node) {\n        var childs, parent;\n        if (sort && (childs = node.children)) childs.sort(sort);\n        if (value && (parent = node.parent)) parent.value += node.value;\n      });\n      return nodes;\n    }\n    hierarchy.sort = function(x) {\n      if (!arguments.length) return sort;\n      sort = x;\n      return hierarchy;\n    };\n    hierarchy.children = function(x) {\n      if (!arguments.length) return children;\n      children = x;\n      return hierarchy;\n    };\n    hierarchy.value = function(x) {\n      if (!arguments.length) return value;\n      value = x;\n      return hierarchy;\n    };\n    hierarchy.revalue = function(root) {\n      if (value) {\n        d3_layout_hierarchyVisitBefore(root, function(node) {\n          if (node.children) node.value = 0;\n        });\n        d3_layout_hierarchyVisitAfter(root, function(node) {\n          var parent;\n          if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0;\n          if (parent = node.parent) parent.value += node.value;\n        });\n      }\n      return root;\n    };\n    return hierarchy;\n  };\n  function d3_layout_hierarchyRebind(object, hierarchy) {\n    d3.rebind(object, hierarchy, \"sort\", \"children\", \"value\");\n    object.nodes = object;\n    object.links = d3_layout_hierarchyLinks;\n    return object;\n  }\n  function d3_layout_hierarchyVisitBefore(node, callback) {\n    var nodes = [ node ];\n    while ((node = nodes.pop()) != null) {\n      callback(node);\n      if ((children = node.children) && (n = children.length)) {\n        var n, children;\n        while (--n >= 0) nodes.push(children[n]);\n      }\n    }\n  }\n  function d3_layout_hierarchyVisitAfter(node, callback) {\n    var nodes = [ node ], nodes2 = [];\n    while ((node = nodes.pop()) != null) {\n      nodes2.push(node);\n      if ((children = node.children) && (n = children.length)) {\n        var i = -1, n, children;\n        while (++i < n) nodes.push(children[i]);\n      }\n    }\n    while ((node = nodes2.pop()) != null) {\n      callback(node);\n    }\n  }\n  function d3_layout_hierarchyChildren(d) {\n    return d.children;\n  }\n  function d3_layout_hierarchyValue(d) {\n    return d.value;\n  }\n  function d3_layout_hierarchySort(a, b) {\n    return b.value - a.value;\n  }\n  function d3_layout_hierarchyLinks(nodes) {\n    return d3.merge(nodes.map(function(parent) {\n      return (parent.children || []).map(function(child) {\n        return {\n          source: parent,\n          target: child\n        };\n      });\n    }));\n  }\n  d3.layout.partition = function() {\n    var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];\n    function position(node, x, dx, dy) {\n      var children = node.children;\n      node.x = x;\n      node.y = node.depth * dy;\n      node.dx = dx;\n      node.dy = dy;\n      if (children && (n = children.length)) {\n        var i = -1, n, c, d;\n        dx = node.value ? dx / node.value : 0;\n        while (++i < n) {\n          position(c = children[i], x, d = c.value * dx, dy);\n          x += d;\n        }\n      }\n    }\n    function depth(node) {\n      var children = node.children, d = 0;\n      if (children && (n = children.length)) {\n        var i = -1, n;\n        while (++i < n) d = Math.max(d, depth(children[i]));\n      }\n      return 1 + d;\n    }\n    function partition(d, i) {\n      var nodes = hierarchy.call(this, d, i);\n      position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));\n      return nodes;\n    }\n    partition.size = function(x) {\n      if (!arguments.length) return size;\n      size = x;\n      return partition;\n    };\n    return d3_layout_hierarchyRebind(partition, hierarchy);\n  };\n  d3.layout.pie = function() {\n    var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0;\n    function pie(data) {\n      var n = data.length, values = data.map(function(d, i) {\n        return +value.call(pie, d, i);\n      }), a = +(typeof startAngle === \"function\" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === \"function\" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === \"function\" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), k = (da - n * pa) / d3.sum(values), index = d3.range(n), arcs = [], v;\n      if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {\n        return values[j] - values[i];\n      } : function(i, j) {\n        return sort(data[i], data[j]);\n      });\n      index.forEach(function(i) {\n        arcs[i] = {\n          data: data[i],\n          value: v = values[i],\n          startAngle: a,\n          endAngle: a += v * k + pa,\n          padAngle: p\n        };\n      });\n      return arcs;\n    }\n    pie.value = function(_) {\n      if (!arguments.length) return value;\n      value = _;\n      return pie;\n    };\n    pie.sort = function(_) {\n      if (!arguments.length) return sort;\n      sort = _;\n      return pie;\n    };\n    pie.startAngle = function(_) {\n      if (!arguments.length) return startAngle;\n      startAngle = _;\n      return pie;\n    };\n    pie.endAngle = function(_) {\n      if (!arguments.length) return endAngle;\n      endAngle = _;\n      return pie;\n    };\n    pie.padAngle = function(_) {\n      if (!arguments.length) return padAngle;\n      padAngle = _;\n      return pie;\n    };\n    return pie;\n  };\n  var d3_layout_pieSortByValue = {};\n  d3.layout.stack = function() {\n    var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;\n    function stack(data, index) {\n      if (!(n = data.length)) return data;\n      var series = data.map(function(d, i) {\n        return values.call(stack, d, i);\n      });\n      var points = series.map(function(d) {\n        return d.map(function(v, i) {\n          return [ x.call(stack, v, i), y.call(stack, v, i) ];\n        });\n      });\n      var orders = order.call(stack, points, index);\n      series = d3.permute(series, orders);\n      points = d3.permute(points, orders);\n      var offsets = offset.call(stack, points, index);\n      var m = series[0].length, n, i, j, o;\n      for (j = 0; j < m; ++j) {\n        out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);\n        for (i = 1; i < n; ++i) {\n          out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);\n        }\n      }\n      return data;\n    }\n    stack.values = function(x) {\n      if (!arguments.length) return values;\n      values = x;\n      return stack;\n    };\n    stack.order = function(x) {\n      if (!arguments.length) return order;\n      order = typeof x === \"function\" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;\n      return stack;\n    };\n    stack.offset = function(x) {\n      if (!arguments.length) return offset;\n      offset = typeof x === \"function\" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;\n      return stack;\n    };\n    stack.x = function(z) {\n      if (!arguments.length) return x;\n      x = z;\n      return stack;\n    };\n    stack.y = function(z) {\n      if (!arguments.length) return y;\n      y = z;\n      return stack;\n    };\n    stack.out = function(z) {\n      if (!arguments.length) return out;\n      out = z;\n      return stack;\n    };\n    return stack;\n  };\n  function d3_layout_stackX(d) {\n    return d.x;\n  }\n  function d3_layout_stackY(d) {\n    return d.y;\n  }\n  function d3_layout_stackOut(d, y0, y) {\n    d.y0 = y0;\n    d.y = y;\n  }\n  var d3_layout_stackOrders = d3.map({\n    \"inside-out\": function(data) {\n      var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) {\n        return max[a] - max[b];\n      }), top = 0, bottom = 0, tops = [], bottoms = [];\n      for (i = 0; i < n; ++i) {\n        j = index[i];\n        if (top < bottom) {\n          top += sums[j];\n          tops.push(j);\n        } else {\n          bottom += sums[j];\n          bottoms.push(j);\n        }\n      }\n      return bottoms.reverse().concat(tops);\n    },\n    reverse: function(data) {\n      return d3.range(data.length).reverse();\n    },\n    \"default\": d3_layout_stackOrderDefault\n  });\n  var d3_layout_stackOffsets = d3.map({\n    silhouette: function(data) {\n      var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];\n      for (j = 0; j < m; ++j) {\n        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];\n        if (o > max) max = o;\n        sums.push(o);\n      }\n      for (j = 0; j < m; ++j) {\n        y0[j] = (max - sums[j]) / 2;\n      }\n      return y0;\n    },\n    wiggle: function(data) {\n      var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];\n      y0[0] = o = o0 = 0;\n      for (j = 1; j < m; ++j) {\n        for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];\n        for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {\n          for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {\n            s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;\n          }\n          s2 += s3 * data[i][j][1];\n        }\n        y0[j] = o -= s1 ? s2 / s1 * dx : 0;\n        if (o < o0) o0 = o;\n      }\n      for (j = 0; j < m; ++j) y0[j] -= o0;\n      return y0;\n    },\n    expand: function(data) {\n      var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];\n      for (j = 0; j < m; ++j) {\n        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];\n        if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k;\n      }\n      for (j = 0; j < m; ++j) y0[j] = 0;\n      return y0;\n    },\n    zero: d3_layout_stackOffsetZero\n  });\n  function d3_layout_stackOrderDefault(data) {\n    return d3.range(data.length);\n  }\n  function d3_layout_stackOffsetZero(data) {\n    var j = -1, m = data[0].length, y0 = [];\n    while (++j < m) y0[j] = 0;\n    return y0;\n  }\n  function d3_layout_stackMaxIndex(array) {\n    var i = 1, j = 0, v = array[0][1], k, n = array.length;\n    for (;i < n; ++i) {\n      if ((k = array[i][1]) > v) {\n        j = i;\n        v = k;\n      }\n    }\n    return j;\n  }\n  function d3_layout_stackReduceSum(d) {\n    return d.reduce(d3_layout_stackSum, 0);\n  }\n  function d3_layout_stackSum(p, d) {\n    return p + d[1];\n  }\n  d3.layout.histogram = function() {\n    var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;\n    function histogram(data, i) {\n      var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x;\n      while (++i < m) {\n        bin = bins[i] = [];\n        bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);\n        bin.y = 0;\n      }\n      if (m > 0) {\n        i = -1;\n        while (++i < n) {\n          x = values[i];\n          if (x >= range[0] && x <= range[1]) {\n            bin = bins[d3.bisect(thresholds, x, 1, m) - 1];\n            bin.y += k;\n            bin.push(data[i]);\n          }\n        }\n      }\n      return bins;\n    }\n    histogram.value = function(x) {\n      if (!arguments.length) return valuer;\n      valuer = x;\n      return histogram;\n    };\n    histogram.range = function(x) {\n      if (!arguments.length) return ranger;\n      ranger = d3_functor(x);\n      return histogram;\n    };\n    histogram.bins = function(x) {\n      if (!arguments.length) return binner;\n      binner = typeof x === \"number\" ? function(range) {\n        return d3_layout_histogramBinFixed(range, x);\n      } : d3_functor(x);\n      return histogram;\n    };\n    histogram.frequency = function(x) {\n      if (!arguments.length) return frequency;\n      frequency = !!x;\n      return histogram;\n    };\n    return histogram;\n  };\n  function d3_layout_histogramBinSturges(range, values) {\n    return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));\n  }\n  function d3_layout_histogramBinFixed(range, n) {\n    var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];\n    while (++x <= n) f[x] = m * x + b;\n    return f;\n  }\n  function d3_layout_histogramRange(values) {\n    return [ d3.min(values), d3.max(values) ];\n  }\n  d3.layout.pack = function() {\n    var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius;\n    function pack(d, i) {\n      var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === \"function\" ? radius : function() {\n        return radius;\n      };\n      root.x = root.y = 0;\n      d3_layout_hierarchyVisitAfter(root, function(d) {\n        d.r = +r(d.value);\n      });\n      d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);\n      if (padding) {\n        var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2;\n        d3_layout_hierarchyVisitAfter(root, function(d) {\n          d.r += dr;\n        });\n        d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);\n        d3_layout_hierarchyVisitAfter(root, function(d) {\n          d.r -= dr;\n        });\n      }\n      d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h));\n      return nodes;\n    }\n    pack.size = function(_) {\n      if (!arguments.length) return size;\n      size = _;\n      return pack;\n    };\n    pack.radius = function(_) {\n      if (!arguments.length) return radius;\n      radius = _ == null || typeof _ === \"function\" ? _ : +_;\n      return pack;\n    };\n    pack.padding = function(_) {\n      if (!arguments.length) return padding;\n      padding = +_;\n      return pack;\n    };\n    return d3_layout_hierarchyRebind(pack, hierarchy);\n  };\n  function d3_layout_packSort(a, b) {\n    return a.value - b.value;\n  }\n  function d3_layout_packInsert(a, b) {\n    var c = a._pack_next;\n    a._pack_next = b;\n    b._pack_prev = a;\n    b._pack_next = c;\n    c._pack_prev = b;\n  }\n  function d3_layout_packSplice(a, b) {\n    a._pack_next = b;\n    b._pack_prev = a;\n  }\n  function d3_layout_packIntersects(a, b) {\n    var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;\n    return .999 * dr * dr > dx * dx + dy * dy;\n  }\n  function d3_layout_packSiblings(node) {\n    if (!(nodes = node.children) || !(n = nodes.length)) return;\n    var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;\n    function bound(node) {\n      xMin = Math.min(node.x - node.r, xMin);\n      xMax = Math.max(node.x + node.r, xMax);\n      yMin = Math.min(node.y - node.r, yMin);\n      yMax = Math.max(node.y + node.r, yMax);\n    }\n    nodes.forEach(d3_layout_packLink);\n    a = nodes[0];\n    a.x = -a.r;\n    a.y = 0;\n    bound(a);\n    if (n > 1) {\n      b = nodes[1];\n      b.x = b.r;\n      b.y = 0;\n      bound(b);\n      if (n > 2) {\n        c = nodes[2];\n        d3_layout_packPlace(a, b, c);\n        bound(c);\n        d3_layout_packInsert(a, c);\n        a._pack_prev = c;\n        d3_layout_packInsert(c, b);\n        b = a._pack_next;\n        for (i = 3; i < n; i++) {\n          d3_layout_packPlace(a, b, c = nodes[i]);\n          var isect = 0, s1 = 1, s2 = 1;\n          for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {\n            if (d3_layout_packIntersects(j, c)) {\n              isect = 1;\n              break;\n            }\n          }\n          if (isect == 1) {\n            for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {\n              if (d3_layout_packIntersects(k, c)) {\n                break;\n              }\n            }\n          }\n          if (isect) {\n            if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);\n            i--;\n          } else {\n            d3_layout_packInsert(a, c);\n            b = c;\n            bound(c);\n          }\n        }\n      }\n    }\n    var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;\n    for (i = 0; i < n; i++) {\n      c = nodes[i];\n      c.x -= cx;\n      c.y -= cy;\n      cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));\n    }\n    node.r = cr;\n    nodes.forEach(d3_layout_packUnlink);\n  }\n  function d3_layout_packLink(node) {\n    node._pack_next = node._pack_prev = node;\n  }\n  function d3_layout_packUnlink(node) {\n    delete node._pack_next;\n    delete node._pack_prev;\n  }\n  function d3_layout_packTransform(node, x, y, k) {\n    var children = node.children;\n    node.x = x += k * node.x;\n    node.y = y += k * node.y;\n    node.r *= k;\n    if (children) {\n      var i = -1, n = children.length;\n      while (++i < n) d3_layout_packTransform(children[i], x, y, k);\n    }\n  }\n  function d3_layout_packPlace(a, b, c) {\n    var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;\n    if (db && (dx || dy)) {\n      var da = b.r + c.r, dc = dx * dx + dy * dy;\n      da *= da;\n      db *= db;\n      var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);\n      c.x = a.x + x * dx + y * dy;\n      c.y = a.y + x * dy - y * dx;\n    } else {\n      c.x = a.x + db;\n      c.y = a.y;\n    }\n  }\n  d3.layout.tree = function() {\n    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null;\n    function tree(d, i) {\n      var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0);\n      d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z;\n      d3_layout_hierarchyVisitBefore(root1, secondWalk);\n      if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else {\n        var left = root0, right = root0, bottom = root0;\n        d3_layout_hierarchyVisitBefore(root0, function(node) {\n          if (node.x < left.x) left = node;\n          if (node.x > right.x) right = node;\n          if (node.depth > bottom.depth) bottom = node;\n        });\n        var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1);\n        d3_layout_hierarchyVisitBefore(root0, function(node) {\n          node.x = (node.x + tx) * kx;\n          node.y = node.depth * ky;\n        });\n      }\n      return nodes;\n    }\n    function wrapTree(root0) {\n      var root1 = {\n        A: null,\n        children: [ root0 ]\n      }, queue = [ root1 ], node1;\n      while ((node1 = queue.pop()) != null) {\n        for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) {\n          queue.push((children[i] = child = {\n            _: children[i],\n            parent: node1,\n            children: (child = children[i].children) && child.slice() || [],\n            A: null,\n            a: null,\n            z: 0,\n            m: 0,\n            c: 0,\n            s: 0,\n            t: null,\n            i: i\n          }).a = child);\n        }\n      }\n      return root1.children[0];\n    }\n    function firstWalk(v) {\n      var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null;\n      if (children.length) {\n        d3_layout_treeShift(v);\n        var midpoint = (children[0].z + children[children.length - 1].z) / 2;\n        if (w) {\n          v.z = w.z + separation(v._, w._);\n          v.m = v.z - midpoint;\n        } else {\n          v.z = midpoint;\n        }\n      } else if (w) {\n        v.z = w.z + separation(v._, w._);\n      }\n      v.parent.A = apportion(v, w, v.parent.A || siblings[0]);\n    }\n    function secondWalk(v) {\n      v._.x = v.z + v.parent.m;\n      v.m += v.parent.m;\n    }\n    function apportion(v, w, ancestor) {\n      if (w) {\n        var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, shift;\n        while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {\n          vom = d3_layout_treeLeft(vom);\n          vop = d3_layout_treeRight(vop);\n          vop.a = v;\n          shift = vim.z + sim - vip.z - sip + separation(vim._, vip._);\n          if (shift > 0) {\n            d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift);\n            sip += shift;\n            sop += shift;\n          }\n          sim += vim.m;\n          sip += vip.m;\n          som += vom.m;\n          sop += vop.m;\n        }\n        if (vim && !d3_layout_treeRight(vop)) {\n          vop.t = vim;\n          vop.m += sim - sop;\n        }\n        if (vip && !d3_layout_treeLeft(vom)) {\n          vom.t = vip;\n          vom.m += sip - som;\n          ancestor = v;\n        }\n      }\n      return ancestor;\n    }\n    function sizeNode(node) {\n      node.x *= size[0];\n      node.y = node.depth * size[1];\n    }\n    tree.separation = function(x) {\n      if (!arguments.length) return separation;\n      separation = x;\n      return tree;\n    };\n    tree.size = function(x) {\n      if (!arguments.length) return nodeSize ? null : size;\n      nodeSize = (size = x) == null ? sizeNode : null;\n      return tree;\n    };\n    tree.nodeSize = function(x) {\n      if (!arguments.length) return nodeSize ? size : null;\n      nodeSize = (size = x) == null ? null : sizeNode;\n      return tree;\n    };\n    return d3_layout_hierarchyRebind(tree, hierarchy);\n  };\n  function d3_layout_treeSeparation(a, b) {\n    return a.parent == b.parent ? 1 : 2;\n  }\n  function d3_layout_treeLeft(v) {\n    var children = v.children;\n    return children.length ? children[0] : v.t;\n  }\n  function d3_layout_treeRight(v) {\n    var children = v.children, n;\n    return (n = children.length) ? children[n - 1] : v.t;\n  }\n  function d3_layout_treeMove(wm, wp, shift) {\n    var change = shift / (wp.i - wm.i);\n    wp.c -= change;\n    wp.s += shift;\n    wm.c += change;\n    wp.z += shift;\n    wp.m += shift;\n  }\n  function d3_layout_treeShift(v) {\n    var shift = 0, change = 0, children = v.children, i = children.length, w;\n    while (--i >= 0) {\n      w = children[i];\n      w.z += shift;\n      w.m += shift;\n      shift += w.s + (change += w.c);\n    }\n  }\n  function d3_layout_treeAncestor(vim, v, ancestor) {\n    return vim.a.parent === v.parent ? vim.a : ancestor;\n  }\n  d3.layout.cluster = function() {\n    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false;\n    function cluster(d, i) {\n      var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;\n      d3_layout_hierarchyVisitAfter(root, function(node) {\n        var children = node.children;\n        if (children && children.length) {\n          node.x = d3_layout_clusterX(children);\n          node.y = d3_layout_clusterY(children);\n        } else {\n          node.x = previousNode ? x += separation(node, previousNode) : 0;\n          node.y = 0;\n          previousNode = node;\n        }\n      });\n      var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2;\n      d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) {\n        node.x = (node.x - root.x) * size[0];\n        node.y = (root.y - node.y) * size[1];\n      } : function(node) {\n        node.x = (node.x - x0) / (x1 - x0) * size[0];\n        node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];\n      });\n      return nodes;\n    }\n    cluster.separation = function(x) {\n      if (!arguments.length) return separation;\n      separation = x;\n      return cluster;\n    };\n    cluster.size = function(x) {\n      if (!arguments.length) return nodeSize ? null : size;\n      nodeSize = (size = x) == null;\n      return cluster;\n    };\n    cluster.nodeSize = function(x) {\n      if (!arguments.length) return nodeSize ? size : null;\n      nodeSize = (size = x) != null;\n      return cluster;\n    };\n    return d3_layout_hierarchyRebind(cluster, hierarchy);\n  };\n  function d3_layout_clusterY(children) {\n    return 1 + d3.max(children, function(child) {\n      return child.y;\n    });\n  }\n  function d3_layout_clusterX(children) {\n    return children.reduce(function(x, child) {\n      return x + child.x;\n    }, 0) / children.length;\n  }\n  function d3_layout_clusterLeft(node) {\n    var children = node.children;\n    return children && children.length ? d3_layout_clusterLeft(children[0]) : node;\n  }\n  function d3_layout_clusterRight(node) {\n    var children = node.children, n;\n    return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;\n  }\n  d3.layout.treemap = function() {\n    var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = \"squarify\", ratio = .5 * (1 + Math.sqrt(5));\n    function scale(children, k) {\n      var i = -1, n = children.length, child, area;\n      while (++i < n) {\n        area = (child = children[i]).value * (k < 0 ? 0 : k);\n        child.area = isNaN(area) || area <= 0 ? 0 : area;\n      }\n    }\n    function squarify(node) {\n      var children = node.children;\n      if (children && children.length) {\n        var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === \"slice\" ? rect.dx : mode === \"dice\" ? rect.dy : mode === \"slice-dice\" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n;\n        scale(remaining, rect.dx * rect.dy / node.value);\n        row.area = 0;\n        while ((n = remaining.length) > 0) {\n          row.push(child = remaining[n - 1]);\n          row.area += child.area;\n          if (mode !== \"squarify\" || (score = worst(row, u)) <= best) {\n            remaining.pop();\n            best = score;\n          } else {\n            row.area -= row.pop().area;\n            position(row, u, rect, false);\n            u = Math.min(rect.dx, rect.dy);\n            row.length = row.area = 0;\n            best = Infinity;\n          }\n        }\n        if (row.length) {\n          position(row, u, rect, true);\n          row.length = row.area = 0;\n        }\n        children.forEach(squarify);\n      }\n    }\n    function stickify(node) {\n      var children = node.children;\n      if (children && children.length) {\n        var rect = pad(node), remaining = children.slice(), child, row = [];\n        scale(remaining, rect.dx * rect.dy / node.value);\n        row.area = 0;\n        while (child = remaining.pop()) {\n          row.push(child);\n          row.area += child.area;\n          if (child.z != null) {\n            position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);\n            row.length = row.area = 0;\n          }\n        }\n        children.forEach(stickify);\n      }\n    }\n    function worst(row, u) {\n      var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;\n      while (++i < n) {\n        if (!(r = row[i].area)) continue;\n        if (r < rmin) rmin = r;\n        if (r > rmax) rmax = r;\n      }\n      s *= s;\n      u *= u;\n      return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;\n    }\n    function position(row, u, rect, flush) {\n      var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;\n      if (u == rect.dx) {\n        if (flush || v > rect.dy) v = rect.dy;\n        while (++i < n) {\n          o = row[i];\n          o.x = x;\n          o.y = y;\n          o.dy = v;\n          x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);\n        }\n        o.z = true;\n        o.dx += rect.x + rect.dx - x;\n        rect.y += v;\n        rect.dy -= v;\n      } else {\n        if (flush || v > rect.dx) v = rect.dx;\n        while (++i < n) {\n          o = row[i];\n          o.x = x;\n          o.y = y;\n          o.dx = v;\n          y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);\n        }\n        o.z = false;\n        o.dy += rect.y + rect.dy - y;\n        rect.x += v;\n        rect.dx -= v;\n      }\n    }\n    function treemap(d) {\n      var nodes = stickies || hierarchy(d), root = nodes[0];\n      root.x = 0;\n      root.y = 0;\n      root.dx = size[0];\n      root.dy = size[1];\n      if (stickies) hierarchy.revalue(root);\n      scale([ root ], root.dx * root.dy / root.value);\n      (stickies ? stickify : squarify)(root);\n      if (sticky) stickies = nodes;\n      return nodes;\n    }\n    treemap.size = function(x) {\n      if (!arguments.length) return size;\n      size = x;\n      return treemap;\n    };\n    treemap.padding = function(x) {\n      if (!arguments.length) return padding;\n      function padFunction(node) {\n        var p = x.call(treemap, node, node.depth);\n        return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === \"number\" ? [ p, p, p, p ] : p);\n      }\n      function padConstant(node) {\n        return d3_layout_treemapPad(node, x);\n      }\n      var type;\n      pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === \"function\" ? padFunction : type === \"number\" ? (x = [ x, x, x, x ], \n      padConstant) : padConstant;\n      return treemap;\n    };\n    treemap.round = function(x) {\n      if (!arguments.length) return round != Number;\n      round = x ? Math.round : Number;\n      return treemap;\n    };\n    treemap.sticky = function(x) {\n      if (!arguments.length) return sticky;\n      sticky = x;\n      stickies = null;\n      return treemap;\n    };\n    treemap.ratio = function(x) {\n      if (!arguments.length) return ratio;\n      ratio = x;\n      return treemap;\n    };\n    treemap.mode = function(x) {\n      if (!arguments.length) return mode;\n      mode = x + \"\";\n      return treemap;\n    };\n    return d3_layout_hierarchyRebind(treemap, hierarchy);\n  };\n  function d3_layout_treemapPadNull(node) {\n    return {\n      x: node.x,\n      y: node.y,\n      dx: node.dx,\n      dy: node.dy\n    };\n  }\n  function d3_layout_treemapPad(node, padding) {\n    var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2];\n    if (dx < 0) {\n      x += dx / 2;\n      dx = 0;\n    }\n    if (dy < 0) {\n      y += dy / 2;\n      dy = 0;\n    }\n    return {\n      x: x,\n      y: y,\n      dx: dx,\n      dy: dy\n    };\n  }\n  d3.random = {\n    normal: function(µ, σ) {\n      var n = arguments.length;\n      if (n < 2) σ = 1;\n      if (n < 1) µ = 0;\n      return function() {\n        var x, y, r;\n        do {\n          x = Math.random() * 2 - 1;\n          y = Math.random() * 2 - 1;\n          r = x * x + y * y;\n        } while (!r || r > 1);\n        return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);\n      };\n    },\n    logNormal: function() {\n      var random = d3.random.normal.apply(d3, arguments);\n      return function() {\n        return Math.exp(random());\n      };\n    },\n    bates: function(m) {\n      var random = d3.random.irwinHall(m);\n      return function() {\n        return random() / m;\n      };\n    },\n    irwinHall: function(m) {\n      return function() {\n        for (var s = 0, j = 0; j < m; j++) s += Math.random();\n        return s;\n      };\n    }\n  };\n  d3.scale = {};\n  function d3_scaleExtent(domain) {\n    var start = domain[0], stop = domain[domain.length - 1];\n    return start < stop ? [ start, stop ] : [ stop, start ];\n  }\n  function d3_scaleRange(scale) {\n    return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());\n  }\n  function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {\n    var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);\n    return function(x) {\n      return i(u(x));\n    };\n  }\n  function d3_scale_nice(domain, nice) {\n    var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;\n    if (x1 < x0) {\n      dx = i0, i0 = i1, i1 = dx;\n      dx = x0, x0 = x1, x1 = dx;\n    }\n    domain[i0] = nice.floor(x0);\n    domain[i1] = nice.ceil(x1);\n    return domain;\n  }\n  function d3_scale_niceStep(step) {\n    return step ? {\n      floor: function(x) {\n        return Math.floor(x / step) * step;\n      },\n      ceil: function(x) {\n        return Math.ceil(x / step) * step;\n      }\n    } : d3_scale_niceIdentity;\n  }\n  var d3_scale_niceIdentity = {\n    floor: d3_identity,\n    ceil: d3_identity\n  };\n  function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {\n    var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;\n    if (domain[k] < domain[0]) {\n      domain = domain.slice().reverse();\n      range = range.slice().reverse();\n    }\n    while (++j <= k) {\n      u.push(uninterpolate(domain[j - 1], domain[j]));\n      i.push(interpolate(range[j - 1], range[j]));\n    }\n    return function(x) {\n      var j = d3.bisect(domain, x, 1, k) - 1;\n      return i[j](u[j](x));\n    };\n  }\n  d3.scale.linear = function() {\n    return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false);\n  };\n  function d3_scale_linear(domain, range, interpolate, clamp) {\n    var output, input;\n    function rescale() {\n      var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;\n      output = linear(domain, range, uninterpolate, interpolate);\n      input = linear(range, domain, uninterpolate, d3_interpolate);\n      return scale;\n    }\n    function scale(x) {\n      return output(x);\n    }\n    scale.invert = function(y) {\n      return input(y);\n    };\n    scale.domain = function(x) {\n      if (!arguments.length) return domain;\n      domain = x.map(Number);\n      return rescale();\n    };\n    scale.range = function(x) {\n      if (!arguments.length) return range;\n      range = x;\n      return rescale();\n    };\n    scale.rangeRound = function(x) {\n      return scale.range(x).interpolate(d3_interpolateRound);\n    };\n    scale.clamp = function(x) {\n      if (!arguments.length) return clamp;\n      clamp = x;\n      return rescale();\n    };\n    scale.interpolate = function(x) {\n      if (!arguments.length) return interpolate;\n      interpolate = x;\n      return rescale();\n    };\n    scale.ticks = function(m) {\n      return d3_scale_linearTicks(domain, m);\n    };\n    scale.tickFormat = function(m, format) {\n      return d3_scale_linearTickFormat(domain, m, format);\n    };\n    scale.nice = function(m) {\n      d3_scale_linearNice(domain, m);\n      return rescale();\n    };\n    scale.copy = function() {\n      return d3_scale_linear(domain, range, interpolate, clamp);\n    };\n    return rescale();\n  }\n  function d3_scale_linearRebind(scale, linear) {\n    return d3.rebind(scale, linear, \"range\", \"rangeRound\", \"interpolate\", \"clamp\");\n  }\n  function d3_scale_linearNice(domain, m) {\n    return d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));\n  }\n  function d3_scale_linearTickRange(domain, m) {\n    if (m == null) m = 10;\n    var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step;\n    if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;\n    extent[0] = Math.ceil(extent[0] / step) * step;\n    extent[1] = Math.floor(extent[1] / step) * step + step * .5;\n    extent[2] = step;\n    return extent;\n  }\n  function d3_scale_linearTicks(domain, m) {\n    return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));\n  }\n  function d3_scale_linearTickFormat(domain, m, format) {\n    var range = d3_scale_linearTickRange(domain, m);\n    if (format) {\n      var match = d3_format_re.exec(format);\n      match.shift();\n      if (match[8] === \"s\") {\n        var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1])));\n        if (!match[7]) match[7] = \".\" + d3_scale_linearPrecision(prefix.scale(range[2]));\n        match[8] = \"f\";\n        format = d3.format(match.join(\"\"));\n        return function(d) {\n          return format(prefix.scale(d)) + prefix.symbol;\n        };\n      }\n      if (!match[7]) match[7] = \".\" + d3_scale_linearFormatPrecision(match[8], range);\n      format = match.join(\"\");\n    } else {\n      format = \",.\" + d3_scale_linearPrecision(range[2]) + \"f\";\n    }\n    return d3.format(format);\n  }\n  var d3_scale_linearFormatSignificant = {\n    s: 1,\n    g: 1,\n    p: 1,\n    r: 1,\n    e: 1\n  };\n  function d3_scale_linearPrecision(value) {\n    return -Math.floor(Math.log(value) / Math.LN10 + .01);\n  }\n  function d3_scale_linearFormatPrecision(type, range) {\n    var p = d3_scale_linearPrecision(range[2]);\n    return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== \"e\") : p - (type === \"%\") * 2;\n  }\n  d3.scale.log = function() {\n    return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]);\n  };\n  function d3_scale_log(linear, base, positive, domain) {\n    function log(x) {\n      return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base);\n    }\n    function pow(x) {\n      return positive ? Math.pow(base, x) : -Math.pow(base, -x);\n    }\n    function scale(x) {\n      return linear(log(x));\n    }\n    scale.invert = function(x) {\n      return pow(linear.invert(x));\n    };\n    scale.domain = function(x) {\n      if (!arguments.length) return domain;\n      positive = x[0] >= 0;\n      linear.domain((domain = x.map(Number)).map(log));\n      return scale;\n    };\n    scale.base = function(_) {\n      if (!arguments.length) return base;\n      base = +_;\n      linear.domain(domain.map(log));\n      return scale;\n    };\n    scale.nice = function() {\n      var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative);\n      linear.domain(niced);\n      domain = niced.map(pow);\n      return scale;\n    };\n    scale.ticks = function() {\n      var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base;\n      if (isFinite(j - i)) {\n        if (positive) {\n          for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k);\n          ticks.push(pow(i));\n        } else {\n          ticks.push(pow(i));\n          for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k);\n        }\n        for (i = 0; ticks[i] < u; i++) {}\n        for (j = ticks.length; ticks[j - 1] > v; j--) {}\n        ticks = ticks.slice(i, j);\n      }\n      return ticks;\n    };\n    scale.tickFormat = function(n, format) {\n      if (!arguments.length) return d3_scale_logFormat;\n      if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== \"function\") format = d3.format(format);\n      var k = Math.max(.1, n / scale.ticks().length), f = positive ? (e = 1e-12, Math.ceil) : (e = -1e-12, \n      Math.floor), e;\n      return function(d) {\n        return d / pow(f(log(d) + e)) <= k ? format(d) : \"\";\n      };\n    };\n    scale.copy = function() {\n      return d3_scale_log(linear.copy(), base, positive, domain);\n    };\n    return d3_scale_linearRebind(scale, linear);\n  }\n  var d3_scale_logFormat = d3.format(\".0e\"), d3_scale_logNiceNegative = {\n    floor: function(x) {\n      return -Math.ceil(-x);\n    },\n    ceil: function(x) {\n      return -Math.floor(-x);\n    }\n  };\n  d3.scale.pow = function() {\n    return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]);\n  };\n  function d3_scale_pow(linear, exponent, domain) {\n    var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);\n    function scale(x) {\n      return linear(powp(x));\n    }\n    scale.invert = function(x) {\n      return powb(linear.invert(x));\n    };\n    scale.domain = function(x) {\n      if (!arguments.length) return domain;\n      linear.domain((domain = x.map(Number)).map(powp));\n      return scale;\n    };\n    scale.ticks = function(m) {\n      return d3_scale_linearTicks(domain, m);\n    };\n    scale.tickFormat = function(m, format) {\n      return d3_scale_linearTickFormat(domain, m, format);\n    };\n    scale.nice = function(m) {\n      return scale.domain(d3_scale_linearNice(domain, m));\n    };\n    scale.exponent = function(x) {\n      if (!arguments.length) return exponent;\n      powp = d3_scale_powPow(exponent = x);\n      powb = d3_scale_powPow(1 / exponent);\n      linear.domain(domain.map(powp));\n      return scale;\n    };\n    scale.copy = function() {\n      return d3_scale_pow(linear.copy(), exponent, domain);\n    };\n    return d3_scale_linearRebind(scale, linear);\n  }\n  function d3_scale_powPow(e) {\n    return function(x) {\n      return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);\n    };\n  }\n  d3.scale.sqrt = function() {\n    return d3.scale.pow().exponent(.5);\n  };\n  d3.scale.ordinal = function() {\n    return d3_scale_ordinal([], {\n      t: \"range\",\n      a: [ [] ]\n    });\n  };\n  function d3_scale_ordinal(domain, ranger) {\n    var index, range, rangeBand;\n    function scale(x) {\n      return range[((index.get(x) || (ranger.t === \"range\" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length];\n    }\n    function steps(start, step) {\n      return d3.range(domain.length).map(function(i) {\n        return start + step * i;\n      });\n    }\n    scale.domain = function(x) {\n      if (!arguments.length) return domain;\n      domain = [];\n      index = new d3_Map();\n      var i = -1, n = x.length, xi;\n      while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));\n      return scale[ranger.t].apply(scale, ranger.a);\n    };\n    scale.range = function(x) {\n      if (!arguments.length) return range;\n      range = x;\n      rangeBand = 0;\n      ranger = {\n        t: \"range\",\n        a: arguments\n      };\n      return scale;\n    };\n    scale.rangePoints = function(x, padding) {\n      if (arguments.length < 2) padding = 0;\n      var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2, \n      0) : (stop - start) / (domain.length - 1 + padding);\n      range = steps(start + step * padding / 2, step);\n      rangeBand = 0;\n      ranger = {\n        t: \"rangePoints\",\n        a: arguments\n      };\n      return scale;\n    };\n    scale.rangeRoundPoints = function(x, padding) {\n      if (arguments.length < 2) padding = 0;\n      var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2), \n      0) : (stop - start) / (domain.length - 1 + padding) | 0;\n      range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step);\n      rangeBand = 0;\n      ranger = {\n        t: \"rangeRoundPoints\",\n        a: arguments\n      };\n      return scale;\n    };\n    scale.rangeBands = function(x, padding, outerPadding) {\n      if (arguments.length < 2) padding = 0;\n      if (arguments.length < 3) outerPadding = padding;\n      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);\n      range = steps(start + step * outerPadding, step);\n      if (reverse) range.reverse();\n      rangeBand = step * (1 - padding);\n      ranger = {\n        t: \"rangeBands\",\n        a: arguments\n      };\n      return scale;\n    };\n    scale.rangeRoundBands = function(x, padding, outerPadding) {\n      if (arguments.length < 2) padding = 0;\n      if (arguments.length < 3) outerPadding = padding;\n      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding));\n      range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step);\n      if (reverse) range.reverse();\n      rangeBand = Math.round(step * (1 - padding));\n      ranger = {\n        t: \"rangeRoundBands\",\n        a: arguments\n      };\n      return scale;\n    };\n    scale.rangeBand = function() {\n      return rangeBand;\n    };\n    scale.rangeExtent = function() {\n      return d3_scaleExtent(ranger.a[0]);\n    };\n    scale.copy = function() {\n      return d3_scale_ordinal(domain, ranger);\n    };\n    return scale.domain(domain);\n  }\n  d3.scale.category10 = function() {\n    return d3.scale.ordinal().range(d3_category10);\n  };\n  d3.scale.category20 = function() {\n    return d3.scale.ordinal().range(d3_category20);\n  };\n  d3.scale.category20b = function() {\n    return d3.scale.ordinal().range(d3_category20b);\n  };\n  d3.scale.category20c = function() {\n    return d3.scale.ordinal().range(d3_category20c);\n  };\n  var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString);\n  var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString);\n  var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString);\n  var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString);\n  d3.scale.quantile = function() {\n    return d3_scale_quantile([], []);\n  };\n  function d3_scale_quantile(domain, range) {\n    var thresholds;\n    function rescale() {\n      var k = 0, q = range.length;\n      thresholds = [];\n      while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);\n      return scale;\n    }\n    function scale(x) {\n      if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)];\n    }\n    scale.domain = function(x) {\n      if (!arguments.length) return domain;\n      domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending);\n      return rescale();\n    };\n    scale.range = function(x) {\n      if (!arguments.length) return range;\n      range = x;\n      return rescale();\n    };\n    scale.quantiles = function() {\n      return thresholds;\n    };\n    scale.invertExtent = function(y) {\n      y = range.indexOf(y);\n      return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ];\n    };\n    scale.copy = function() {\n      return d3_scale_quantile(domain, range);\n    };\n    return rescale();\n  }\n  d3.scale.quantize = function() {\n    return d3_scale_quantize(0, 1, [ 0, 1 ]);\n  };\n  function d3_scale_quantize(x0, x1, range) {\n    var kx, i;\n    function scale(x) {\n      return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];\n    }\n    function rescale() {\n      kx = range.length / (x1 - x0);\n      i = range.length - 1;\n      return scale;\n    }\n    scale.domain = function(x) {\n      if (!arguments.length) return [ x0, x1 ];\n      x0 = +x[0];\n      x1 = +x[x.length - 1];\n      return rescale();\n    };\n    scale.range = function(x) {\n      if (!arguments.length) return range;\n      range = x;\n      return rescale();\n    };\n    scale.invertExtent = function(y) {\n      y = range.indexOf(y);\n      y = y < 0 ? NaN : y / kx + x0;\n      return [ y, y + 1 / kx ];\n    };\n    scale.copy = function() {\n      return d3_scale_quantize(x0, x1, range);\n    };\n    return rescale();\n  }\n  d3.scale.threshold = function() {\n    return d3_scale_threshold([ .5 ], [ 0, 1 ]);\n  };\n  function d3_scale_threshold(domain, range) {\n    function scale(x) {\n      if (x <= x) return range[d3.bisect(domain, x)];\n    }\n    scale.domain = function(_) {\n      if (!arguments.length) return domain;\n      domain = _;\n      return scale;\n    };\n    scale.range = function(_) {\n      if (!arguments.length) return range;\n      range = _;\n      return scale;\n    };\n    scale.invertExtent = function(y) {\n      y = range.indexOf(y);\n      return [ domain[y - 1], domain[y] ];\n    };\n    scale.copy = function() {\n      return d3_scale_threshold(domain, range);\n    };\n    return scale;\n  }\n  d3.scale.identity = function() {\n    return d3_scale_identity([ 0, 1 ]);\n  };\n  function d3_scale_identity(domain) {\n    function identity(x) {\n      return +x;\n    }\n    identity.invert = identity;\n    identity.domain = identity.range = function(x) {\n      if (!arguments.length) return domain;\n      domain = x.map(identity);\n      return identity;\n    };\n    identity.ticks = function(m) {\n      return d3_scale_linearTicks(domain, m);\n    };\n    identity.tickFormat = function(m, format) {\n      return d3_scale_linearTickFormat(domain, m, format);\n    };\n    identity.copy = function() {\n      return d3_scale_identity(domain);\n    };\n    return identity;\n  }\n  d3.svg = {};\n  function d3_zero() {\n    return 0;\n  }\n  d3.svg.arc = function() {\n    var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle;\n    function arc() {\n      var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1;\n      if (r1 < r0) rc = r1, r1 = r0, r0 = rc;\n      if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : \"\") + \"Z\";\n      var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = [];\n      if (ap = (+padAngle.apply(this, arguments) || 0) / 2) {\n        rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments);\n        if (!cw) p1 *= -1;\n        if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap));\n        if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap));\n      }\n      if (r1) {\n        x0 = r1 * Math.cos(a0 + p1);\n        y0 = r1 * Math.sin(a0 + p1);\n        x1 = r1 * Math.cos(a1 - p1);\n        y1 = r1 * Math.sin(a1 - p1);\n        var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1;\n        if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) {\n          var h1 = (a0 + a1) / 2;\n          x0 = r1 * Math.cos(h1);\n          y0 = r1 * Math.sin(h1);\n          x1 = y1 = null;\n        }\n      } else {\n        x0 = y0 = 0;\n      }\n      if (r0) {\n        x2 = r0 * Math.cos(a1 - p0);\n        y2 = r0 * Math.sin(a1 - p0);\n        x3 = r0 * Math.cos(a0 + p0);\n        y3 = r0 * Math.sin(a0 + p0);\n        var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1;\n        if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) {\n          var h0 = (a0 + a1) / 2;\n          x2 = r0 * Math.cos(h0);\n          y2 = r0 * Math.sin(h0);\n          x3 = y3 = null;\n        }\n      } else {\n        x2 = y2 = 0;\n      }\n      if ((rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) {\n        cr = r0 < r1 ^ cw ? 0 : 1;\n        var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]);\n        if (x1 != null) {\n          var rc1 = Math.min(rc, (r1 - lc) / (kc + 1)), t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw);\n          if (rc === rc1) {\n            path.push(\"M\", t30[0], \"A\", rc1, \",\", rc1, \" 0 0,\", cr, \" \", t30[1], \"A\", r1, \",\", r1, \" 0 \", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), \",\", cw, \" \", t12[1], \"A\", rc1, \",\", rc1, \" 0 0,\", cr, \" \", t12[0]);\n          } else {\n            path.push(\"M\", t30[0], \"A\", rc1, \",\", rc1, \" 0 1,\", cr, \" \", t12[0]);\n          }\n        } else {\n          path.push(\"M\", x0, \",\", y0);\n        }\n        if (x3 != null) {\n          var rc0 = Math.min(rc, (r0 - lc) / (kc - 1)), t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw);\n          if (rc === rc0) {\n            path.push(\"L\", t21[0], \"A\", rc0, \",\", rc0, \" 0 0,\", cr, \" \", t21[1], \"A\", r0, \",\", r0, \" 0 \", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), \",\", 1 - cw, \" \", t03[1], \"A\", rc0, \",\", rc0, \" 0 0,\", cr, \" \", t03[0]);\n          } else {\n            path.push(\"L\", t21[0], \"A\", rc0, \",\", rc0, \" 0 0,\", cr, \" \", t03[0]);\n          }\n        } else {\n          path.push(\"L\", x2, \",\", y2);\n        }\n      } else {\n        path.push(\"M\", x0, \",\", y0);\n        if (x1 != null) path.push(\"A\", r1, \",\", r1, \" 0 \", l1, \",\", cw, \" \", x1, \",\", y1);\n        path.push(\"L\", x2, \",\", y2);\n        if (x3 != null) path.push(\"A\", r0, \",\", r0, \" 0 \", l0, \",\", 1 - cw, \" \", x3, \",\", y3);\n      }\n      path.push(\"Z\");\n      return path.join(\"\");\n    }\n    function circleSegment(r1, cw) {\n      return \"M0,\" + r1 + \"A\" + r1 + \",\" + r1 + \" 0 1,\" + cw + \" 0,\" + -r1 + \"A\" + r1 + \",\" + r1 + \" 0 1,\" + cw + \" 0,\" + r1;\n    }\n    arc.innerRadius = function(v) {\n      if (!arguments.length) return innerRadius;\n      innerRadius = d3_functor(v);\n      return arc;\n    };\n    arc.outerRadius = function(v) {\n      if (!arguments.length) return outerRadius;\n      outerRadius = d3_functor(v);\n      return arc;\n    };\n    arc.cornerRadius = function(v) {\n      if (!arguments.length) return cornerRadius;\n      cornerRadius = d3_functor(v);\n      return arc;\n    };\n    arc.padRadius = function(v) {\n      if (!arguments.length) return padRadius;\n      padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v);\n      return arc;\n    };\n    arc.startAngle = function(v) {\n      if (!arguments.length) return startAngle;\n      startAngle = d3_functor(v);\n      return arc;\n    };\n    arc.endAngle = function(v) {\n      if (!arguments.length) return endAngle;\n      endAngle = d3_functor(v);\n      return arc;\n    };\n    arc.padAngle = function(v) {\n      if (!arguments.length) return padAngle;\n      padAngle = d3_functor(v);\n      return arc;\n    };\n    arc.centroid = function() {\n      var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ;\n      return [ Math.cos(a) * r, Math.sin(a) * r ];\n    };\n    return arc;\n  };\n  var d3_svg_arcAuto = \"auto\";\n  function d3_svg_arcInnerRadius(d) {\n    return d.innerRadius;\n  }\n  function d3_svg_arcOuterRadius(d) {\n    return d.outerRadius;\n  }\n  function d3_svg_arcStartAngle(d) {\n    return d.startAngle;\n  }\n  function d3_svg_arcEndAngle(d) {\n    return d.endAngle;\n  }\n  function d3_svg_arcPadAngle(d) {\n    return d && d.padAngle;\n  }\n  function d3_svg_arcSweep(x0, y0, x1, y1) {\n    return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1;\n  }\n  function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) {\n    var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(r * r * d2 - D * D), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3;\n    if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;\n    return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ];\n  }\n  function d3_svg_line(projection) {\n    var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;\n    function line(data) {\n      var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);\n      function segment() {\n        segments.push(\"M\", interpolate(projection(points), tension));\n      }\n      while (++i < n) {\n        if (defined.call(this, d = data[i], i)) {\n          points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);\n        } else if (points.length) {\n          segment();\n          points = [];\n        }\n      }\n      if (points.length) segment();\n      return segments.length ? segments.join(\"\") : null;\n    }\n    line.x = function(_) {\n      if (!arguments.length) return x;\n      x = _;\n      return line;\n    };\n    line.y = function(_) {\n      if (!arguments.length) return y;\n      y = _;\n      return line;\n    };\n    line.defined = function(_) {\n      if (!arguments.length) return defined;\n      defined = _;\n      return line;\n    };\n    line.interpolate = function(_) {\n      if (!arguments.length) return interpolateKey;\n      if (typeof _ === \"function\") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;\n      return line;\n    };\n    line.tension = function(_) {\n      if (!arguments.length) return tension;\n      tension = _;\n      return line;\n    };\n    return line;\n  }\n  d3.svg.line = function() {\n    return d3_svg_line(d3_identity);\n  };\n  var d3_svg_lineInterpolators = d3.map({\n    linear: d3_svg_lineLinear,\n    \"linear-closed\": d3_svg_lineLinearClosed,\n    step: d3_svg_lineStep,\n    \"step-before\": d3_svg_lineStepBefore,\n    \"step-after\": d3_svg_lineStepAfter,\n    basis: d3_svg_lineBasis,\n    \"basis-open\": d3_svg_lineBasisOpen,\n    \"basis-closed\": d3_svg_lineBasisClosed,\n    bundle: d3_svg_lineBundle,\n    cardinal: d3_svg_lineCardinal,\n    \"cardinal-open\": d3_svg_lineCardinalOpen,\n    \"cardinal-closed\": d3_svg_lineCardinalClosed,\n    monotone: d3_svg_lineMonotone\n  });\n  d3_svg_lineInterpolators.forEach(function(key, value) {\n    value.key = key;\n    value.closed = /-closed$/.test(key);\n  });\n  function d3_svg_lineLinear(points) {\n    return points.join(\"L\");\n  }\n  function d3_svg_lineLinearClosed(points) {\n    return d3_svg_lineLinear(points) + \"Z\";\n  }\n  function d3_svg_lineStep(points) {\n    var i = 0, n = points.length, p = points[0], path = [ p[0], \",\", p[1] ];\n    while (++i < n) path.push(\"H\", (p[0] + (p = points[i])[0]) / 2, \"V\", p[1]);\n    if (n > 1) path.push(\"H\", p[0]);\n    return path.join(\"\");\n  }\n  function d3_svg_lineStepBefore(points) {\n    var i = 0, n = points.length, p = points[0], path = [ p[0], \",\", p[1] ];\n    while (++i < n) path.push(\"V\", (p = points[i])[1], \"H\", p[0]);\n    return path.join(\"\");\n  }\n  function d3_svg_lineStepAfter(points) {\n    var i = 0, n = points.length, p = points[0], path = [ p[0], \",\", p[1] ];\n    while (++i < n) path.push(\"H\", (p = points[i])[0], \"V\", p[1]);\n    return path.join(\"\");\n  }\n  function d3_svg_lineCardinalOpen(points, tension) {\n    return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension));\n  }\n  function d3_svg_lineCardinalClosed(points, tension) {\n    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), \n    points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));\n  }\n  function d3_svg_lineCardinal(points, tension) {\n    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));\n  }\n  function d3_svg_lineHermite(points, tangents) {\n    if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {\n      return d3_svg_lineLinear(points);\n    }\n    var quad = points.length != tangents.length, path = \"\", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;\n    if (quad) {\n      path += \"Q\" + (p[0] - t0[0] * 2 / 3) + \",\" + (p[1] - t0[1] * 2 / 3) + \",\" + p[0] + \",\" + p[1];\n      p0 = points[1];\n      pi = 2;\n    }\n    if (tangents.length > 1) {\n      t = tangents[1];\n      p = points[pi];\n      pi++;\n      path += \"C\" + (p0[0] + t0[0]) + \",\" + (p0[1] + t0[1]) + \",\" + (p[0] - t[0]) + \",\" + (p[1] - t[1]) + \",\" + p[0] + \",\" + p[1];\n      for (var i = 2; i < tangents.length; i++, pi++) {\n        p = points[pi];\n        t = tangents[i];\n        path += \"S\" + (p[0] - t[0]) + \",\" + (p[1] - t[1]) + \",\" + p[0] + \",\" + p[1];\n      }\n    }\n    if (quad) {\n      var lp = points[pi];\n      path += \"Q\" + (p[0] + t[0] * 2 / 3) + \",\" + (p[1] + t[1] * 2 / 3) + \",\" + lp[0] + \",\" + lp[1];\n    }\n    return path;\n  }\n  function d3_svg_lineCardinalTangents(points, tension) {\n    var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;\n    while (++i < n) {\n      p0 = p1;\n      p1 = p2;\n      p2 = points[i];\n      tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);\n    }\n    return tangents;\n  }\n  function d3_svg_lineBasis(points) {\n    if (points.length < 3) return d3_svg_lineLinear(points);\n    var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, \",\", y0, \"L\", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), \",\", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];\n    points.push(points[n - 1]);\n    while (++i <= n) {\n      pi = points[i];\n      px.shift();\n      px.push(pi[0]);\n      py.shift();\n      py.push(pi[1]);\n      d3_svg_lineBasisBezier(path, px, py);\n    }\n    points.pop();\n    path.push(\"L\", pi);\n    return path.join(\"\");\n  }\n  function d3_svg_lineBasisOpen(points) {\n    if (points.length < 4) return d3_svg_lineLinear(points);\n    var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];\n    while (++i < 3) {\n      pi = points[i];\n      px.push(pi[0]);\n      py.push(pi[1]);\n    }\n    path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + \",\" + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));\n    --i;\n    while (++i < n) {\n      pi = points[i];\n      px.shift();\n      px.push(pi[0]);\n      py.shift();\n      py.push(pi[1]);\n      d3_svg_lineBasisBezier(path, px, py);\n    }\n    return path.join(\"\");\n  }\n  function d3_svg_lineBasisClosed(points) {\n    var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];\n    while (++i < 4) {\n      pi = points[i % n];\n      px.push(pi[0]);\n      py.push(pi[1]);\n    }\n    path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), \",\", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];\n    --i;\n    while (++i < m) {\n      pi = points[i % n];\n      px.shift();\n      px.push(pi[0]);\n      py.shift();\n      py.push(pi[1]);\n      d3_svg_lineBasisBezier(path, px, py);\n    }\n    return path.join(\"\");\n  }\n  function d3_svg_lineBundle(points, tension) {\n    var n = points.length - 1;\n    if (n) {\n      var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;\n      while (++i <= n) {\n        p = points[i];\n        t = i / n;\n        p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);\n        p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);\n      }\n    }\n    return d3_svg_lineBasis(points);\n  }\n  function d3_svg_lineDot4(a, b) {\n    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];\n  }\n  var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ];\n  function d3_svg_lineBasisBezier(path, x, y) {\n    path.push(\"C\", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), \",\", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), \",\", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), \",\", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), \",\", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), \",\", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));\n  }\n  function d3_svg_lineSlope(p0, p1) {\n    return (p1[1] - p0[1]) / (p1[0] - p0[0]);\n  }\n  function d3_svg_lineFiniteDifferences(points) {\n    var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);\n    while (++i < j) {\n      m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;\n    }\n    m[i] = d;\n    return m;\n  }\n  function d3_svg_lineMonotoneTangents(points) {\n    var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;\n    while (++i < j) {\n      d = d3_svg_lineSlope(points[i], points[i + 1]);\n      if (abs(d) < ε) {\n        m[i] = m[i + 1] = 0;\n      } else {\n        a = m[i] / d;\n        b = m[i + 1] / d;\n        s = a * a + b * b;\n        if (s > 9) {\n          s = d * 3 / Math.sqrt(s);\n          m[i] = s * a;\n          m[i + 1] = s * b;\n        }\n      }\n    }\n    i = -1;\n    while (++i <= j) {\n      s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));\n      tangents.push([ s || 0, m[i] * s || 0 ]);\n    }\n    return tangents;\n  }\n  function d3_svg_lineMonotone(points) {\n    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));\n  }\n  d3.svg.line.radial = function() {\n    var line = d3_svg_line(d3_svg_lineRadial);\n    line.radius = line.x, delete line.x;\n    line.angle = line.y, delete line.y;\n    return line;\n  };\n  function d3_svg_lineRadial(points) {\n    var point, i = -1, n = points.length, r, a;\n    while (++i < n) {\n      point = points[i];\n      r = point[0];\n      a = point[1] - halfπ;\n      point[0] = r * Math.cos(a);\n      point[1] = r * Math.sin(a);\n    }\n    return points;\n  }\n  function d3_svg_area(projection) {\n    var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = \"L\", tension = .7;\n    function area(data) {\n      var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {\n        return x;\n      } : d3_functor(x1), fy1 = y0 === y1 ? function() {\n        return y;\n      } : d3_functor(y1), x, y;\n      function segment() {\n        segments.push(\"M\", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), \"Z\");\n      }\n      while (++i < n) {\n        if (defined.call(this, d = data[i], i)) {\n          points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);\n          points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);\n        } else if (points0.length) {\n          segment();\n          points0 = [];\n          points1 = [];\n        }\n      }\n      if (points0.length) segment();\n      return segments.length ? segments.join(\"\") : null;\n    }\n    area.x = function(_) {\n      if (!arguments.length) return x1;\n      x0 = x1 = _;\n      return area;\n    };\n    area.x0 = function(_) {\n      if (!arguments.length) return x0;\n      x0 = _;\n      return area;\n    };\n    area.x1 = function(_) {\n      if (!arguments.length) return x1;\n      x1 = _;\n      return area;\n    };\n    area.y = function(_) {\n      if (!arguments.length) return y1;\n      y0 = y1 = _;\n      return area;\n    };\n    area.y0 = function(_) {\n      if (!arguments.length) return y0;\n      y0 = _;\n      return area;\n    };\n    area.y1 = function(_) {\n      if (!arguments.length) return y1;\n      y1 = _;\n      return area;\n    };\n    area.defined = function(_) {\n      if (!arguments.length) return defined;\n      defined = _;\n      return area;\n    };\n    area.interpolate = function(_) {\n      if (!arguments.length) return interpolateKey;\n      if (typeof _ === \"function\") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;\n      interpolateReverse = interpolate.reverse || interpolate;\n      L = interpolate.closed ? \"M\" : \"L\";\n      return area;\n    };\n    area.tension = function(_) {\n      if (!arguments.length) return tension;\n      tension = _;\n      return area;\n    };\n    return area;\n  }\n  d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;\n  d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;\n  d3.svg.area = function() {\n    return d3_svg_area(d3_identity);\n  };\n  d3.svg.area.radial = function() {\n    var area = d3_svg_area(d3_svg_lineRadial);\n    area.radius = area.x, delete area.x;\n    area.innerRadius = area.x0, delete area.x0;\n    area.outerRadius = area.x1, delete area.x1;\n    area.angle = area.y, delete area.y;\n    area.startAngle = area.y0, delete area.y0;\n    area.endAngle = area.y1, delete area.y1;\n    return area;\n  };\n  d3.svg.chord = function() {\n    var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;\n    function chord(d, i) {\n      var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);\n      return \"M\" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + \"Z\";\n    }\n    function subgroup(self, f, d, i) {\n      var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ;\n      return {\n        r: r,\n        a0: a0,\n        a1: a1,\n        p0: [ r * Math.cos(a0), r * Math.sin(a0) ],\n        p1: [ r * Math.cos(a1), r * Math.sin(a1) ]\n      };\n    }\n    function equals(a, b) {\n      return a.a0 == b.a0 && a.a1 == b.a1;\n    }\n    function arc(r, p, a) {\n      return \"A\" + r + \",\" + r + \" 0 \" + +(a > π) + \",1 \" + p;\n    }\n    function curve(r0, p0, r1, p1) {\n      return \"Q 0,0 \" + p1;\n    }\n    chord.radius = function(v) {\n      if (!arguments.length) return radius;\n      radius = d3_functor(v);\n      return chord;\n    };\n    chord.source = function(v) {\n      if (!arguments.length) return source;\n      source = d3_functor(v);\n      return chord;\n    };\n    chord.target = function(v) {\n      if (!arguments.length) return target;\n      target = d3_functor(v);\n      return chord;\n    };\n    chord.startAngle = function(v) {\n      if (!arguments.length) return startAngle;\n      startAngle = d3_functor(v);\n      return chord;\n    };\n    chord.endAngle = function(v) {\n      if (!arguments.length) return endAngle;\n      endAngle = d3_functor(v);\n      return chord;\n    };\n    return chord;\n  };\n  function d3_svg_chordRadius(d) {\n    return d.radius;\n  }\n  d3.svg.diagonal = function() {\n    var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;\n    function diagonal(d, i) {\n      var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {\n        x: p0.x,\n        y: m\n      }, {\n        x: p3.x,\n        y: m\n      }, p3 ];\n      p = p.map(projection);\n      return \"M\" + p[0] + \"C\" + p[1] + \" \" + p[2] + \" \" + p[3];\n    }\n    diagonal.source = function(x) {\n      if (!arguments.length) return source;\n      source = d3_functor(x);\n      return diagonal;\n    };\n    diagonal.target = function(x) {\n      if (!arguments.length) return target;\n      target = d3_functor(x);\n      return diagonal;\n    };\n    diagonal.projection = function(x) {\n      if (!arguments.length) return projection;\n      projection = x;\n      return diagonal;\n    };\n    return diagonal;\n  };\n  function d3_svg_diagonalProjection(d) {\n    return [ d.x, d.y ];\n  }\n  d3.svg.diagonal.radial = function() {\n    var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;\n    diagonal.projection = function(x) {\n      return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;\n    };\n    return diagonal;\n  };\n  function d3_svg_diagonalRadialProjection(projection) {\n    return function() {\n      var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ;\n      return [ r * Math.cos(a), r * Math.sin(a) ];\n    };\n  }\n  d3.svg.symbol = function() {\n    var type = d3_svg_symbolType, size = d3_svg_symbolSize;\n    function symbol(d, i) {\n      return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));\n    }\n    symbol.type = function(x) {\n      if (!arguments.length) return type;\n      type = d3_functor(x);\n      return symbol;\n    };\n    symbol.size = function(x) {\n      if (!arguments.length) return size;\n      size = d3_functor(x);\n      return symbol;\n    };\n    return symbol;\n  };\n  function d3_svg_symbolSize() {\n    return 64;\n  }\n  function d3_svg_symbolType() {\n    return \"circle\";\n  }\n  function d3_svg_symbolCircle(size) {\n    var r = Math.sqrt(size / π);\n    return \"M0,\" + r + \"A\" + r + \",\" + r + \" 0 1,1 0,\" + -r + \"A\" + r + \",\" + r + \" 0 1,1 0,\" + r + \"Z\";\n  }\n  var d3_svg_symbols = d3.map({\n    circle: d3_svg_symbolCircle,\n    cross: function(size) {\n      var r = Math.sqrt(size / 5) / 2;\n      return \"M\" + -3 * r + \",\" + -r + \"H\" + -r + \"V\" + -3 * r + \"H\" + r + \"V\" + -r + \"H\" + 3 * r + \"V\" + r + \"H\" + r + \"V\" + 3 * r + \"H\" + -r + \"V\" + r + \"H\" + -3 * r + \"Z\";\n    },\n    diamond: function(size) {\n      var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;\n      return \"M0,\" + -ry + \"L\" + rx + \",0\" + \" 0,\" + ry + \" \" + -rx + \",0\" + \"Z\";\n    },\n    square: function(size) {\n      var r = Math.sqrt(size) / 2;\n      return \"M\" + -r + \",\" + -r + \"L\" + r + \",\" + -r + \" \" + r + \",\" + r + \" \" + -r + \",\" + r + \"Z\";\n    },\n    \"triangle-down\": function(size) {\n      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;\n      return \"M0,\" + ry + \"L\" + rx + \",\" + -ry + \" \" + -rx + \",\" + -ry + \"Z\";\n    },\n    \"triangle-up\": function(size) {\n      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;\n      return \"M0,\" + -ry + \"L\" + rx + \",\" + ry + \" \" + -rx + \",\" + ry + \"Z\";\n    }\n  });\n  d3.svg.symbolTypes = d3_svg_symbols.keys();\n  var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);\n  d3_selectionPrototype.transition = function(name) {\n    var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || {\n      time: Date.now(),\n      ease: d3_ease_cubicInOut,\n      delay: 0,\n      duration: 250\n    };\n    for (var j = -1, m = this.length; ++j < m; ) {\n      subgroups.push(subgroup = []);\n      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {\n        if (node = group[i]) d3_transitionNode(node, i, ns, id, transition);\n        subgroup.push(node);\n      }\n    }\n    return d3_transition(subgroups, ns, id);\n  };\n  d3_selectionPrototype.interrupt = function(name) {\n    return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name)));\n  };\n  var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace());\n  function d3_selection_interruptNS(ns) {\n    return function() {\n      var lock, active;\n      if ((lock = this[ns]) && (active = lock[lock.active])) {\n        if (--lock.count) delete lock[lock.active]; else delete this[ns];\n        lock.active += .5;\n        active.event && active.event.interrupt.call(this, this.__data__, active.index);\n      }\n    };\n  }\n  function d3_transition(groups, ns, id) {\n    d3_subclass(groups, d3_transitionPrototype);\n    groups.namespace = ns;\n    groups.id = id;\n    return groups;\n  }\n  var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit;\n  d3_transitionPrototype.call = d3_selectionPrototype.call;\n  d3_transitionPrototype.empty = d3_selectionPrototype.empty;\n  d3_transitionPrototype.node = d3_selectionPrototype.node;\n  d3_transitionPrototype.size = d3_selectionPrototype.size;\n  d3.transition = function(selection, name) {\n    return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3.selection().transition(selection);\n  };\n  d3.transition.prototype = d3_transitionPrototype;\n  d3_transitionPrototype.select = function(selector) {\n    var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node;\n    selector = d3_selection_selector(selector);\n    for (var j = -1, m = this.length; ++j < m; ) {\n      subgroups.push(subgroup = []);\n      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {\n        if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) {\n          if (\"__data__\" in node) subnode.__data__ = node.__data__;\n          d3_transitionNode(subnode, i, ns, id, node[ns][id]);\n          subgroup.push(subnode);\n        } else {\n          subgroup.push(null);\n        }\n      }\n    }\n    return d3_transition(subgroups, ns, id);\n  };\n  d3_transitionPrototype.selectAll = function(selector) {\n    var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition;\n    selector = d3_selection_selectorAll(selector);\n    for (var j = -1, m = this.length; ++j < m; ) {\n      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {\n        if (node = group[i]) {\n          transition = node[ns][id];\n          subnodes = selector.call(node, node.__data__, i, j);\n          subgroups.push(subgroup = []);\n          for (var k = -1, o = subnodes.length; ++k < o; ) {\n            if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition);\n            subgroup.push(subnode);\n          }\n        }\n      }\n    }\n    return d3_transition(subgroups, ns, id);\n  };\n  d3_transitionPrototype.filter = function(filter) {\n    var subgroups = [], subgroup, group, node;\n    if (typeof filter !== \"function\") filter = d3_selection_filter(filter);\n    for (var j = 0, m = this.length; j < m; j++) {\n      subgroups.push(subgroup = []);\n      for (var group = this[j], i = 0, n = group.length; i < n; i++) {\n        if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {\n          subgroup.push(node);\n        }\n      }\n    }\n    return d3_transition(subgroups, this.namespace, this.id);\n  };\n  d3_transitionPrototype.tween = function(name, tween) {\n    var id = this.id, ns = this.namespace;\n    if (arguments.length < 2) return this.node()[ns][id].tween.get(name);\n    return d3_selection_each(this, tween == null ? function(node) {\n      node[ns][id].tween.remove(name);\n    } : function(node) {\n      node[ns][id].tween.set(name, tween);\n    });\n  };\n  function d3_transition_tween(groups, name, value, tween) {\n    var id = groups.id, ns = groups.namespace;\n    return d3_selection_each(groups, typeof value === \"function\" ? function(node, i, j) {\n      node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j)));\n    } : (value = tween(value), function(node) {\n      node[ns][id].tween.set(name, value);\n    }));\n  }\n  d3_transitionPrototype.attr = function(nameNS, value) {\n    if (arguments.length < 2) {\n      for (value in nameNS) this.attr(value, nameNS[value]);\n      return this;\n    }\n    var interpolate = nameNS == \"transform\" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS);\n    function attrNull() {\n      this.removeAttribute(name);\n    }\n    function attrNullNS() {\n      this.removeAttributeNS(name.space, name.local);\n    }\n    function attrTween(b) {\n      return b == null ? attrNull : (b += \"\", function() {\n        var a = this.getAttribute(name), i;\n        return a !== b && (i = interpolate(a, b), function(t) {\n          this.setAttribute(name, i(t));\n        });\n      });\n    }\n    function attrTweenNS(b) {\n      return b == null ? attrNullNS : (b += \"\", function() {\n        var a = this.getAttributeNS(name.space, name.local), i;\n        return a !== b && (i = interpolate(a, b), function(t) {\n          this.setAttributeNS(name.space, name.local, i(t));\n        });\n      });\n    }\n    return d3_transition_tween(this, \"attr.\" + nameNS, value, name.local ? attrTweenNS : attrTween);\n  };\n  d3_transitionPrototype.attrTween = function(nameNS, tween) {\n    var name = d3.ns.qualify(nameNS);\n    function attrTween(d, i) {\n      var f = tween.call(this, d, i, this.getAttribute(name));\n      return f && function(t) {\n        this.setAttribute(name, f(t));\n      };\n    }\n    function attrTweenNS(d, i) {\n      var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));\n      return f && function(t) {\n        this.setAttributeNS(name.space, name.local, f(t));\n      };\n    }\n    return this.tween(\"attr.\" + nameNS, name.local ? attrTweenNS : attrTween);\n  };\n  d3_transitionPrototype.style = function(name, value, priority) {\n    var n = arguments.length;\n    if (n < 3) {\n      if (typeof name !== \"string\") {\n        if (n < 2) value = \"\";\n        for (priority in name) this.style(priority, name[priority], value);\n        return this;\n      }\n      priority = \"\";\n    }\n    function styleNull() {\n      this.style.removeProperty(name);\n    }\n    function styleString(b) {\n      return b == null ? styleNull : (b += \"\", function() {\n        var a = d3_window(this).getComputedStyle(this, null).getPropertyValue(name), i;\n        return a !== b && (i = d3_interpolate(a, b), function(t) {\n          this.style.setProperty(name, i(t), priority);\n        });\n      });\n    }\n    return d3_transition_tween(this, \"style.\" + name, value, styleString);\n  };\n  d3_transitionPrototype.styleTween = function(name, tween, priority) {\n    if (arguments.length < 3) priority = \"\";\n    function styleTween(d, i) {\n      var f = tween.call(this, d, i, d3_window(this).getComputedStyle(this, null).getPropertyValue(name));\n      return f && function(t) {\n        this.style.setProperty(name, f(t), priority);\n      };\n    }\n    return this.tween(\"style.\" + name, styleTween);\n  };\n  d3_transitionPrototype.text = function(value) {\n    return d3_transition_tween(this, \"text\", value, d3_transition_text);\n  };\n  function d3_transition_text(b) {\n    if (b == null) b = \"\";\n    return function() {\n      this.textContent = b;\n    };\n  }\n  d3_transitionPrototype.remove = function() {\n    var ns = this.namespace;\n    return this.each(\"end.transition\", function() {\n      var p;\n      if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this);\n    });\n  };\n  d3_transitionPrototype.ease = function(value) {\n    var id = this.id, ns = this.namespace;\n    if (arguments.length < 1) return this.node()[ns][id].ease;\n    if (typeof value !== \"function\") value = d3.ease.apply(d3, arguments);\n    return d3_selection_each(this, function(node) {\n      node[ns][id].ease = value;\n    });\n  };\n  d3_transitionPrototype.delay = function(value) {\n    var id = this.id, ns = this.namespace;\n    if (arguments.length < 1) return this.node()[ns][id].delay;\n    return d3_selection_each(this, typeof value === \"function\" ? function(node, i, j) {\n      node[ns][id].delay = +value.call(node, node.__data__, i, j);\n    } : (value = +value, function(node) {\n      node[ns][id].delay = value;\n    }));\n  };\n  d3_transitionPrototype.duration = function(value) {\n    var id = this.id, ns = this.namespace;\n    if (arguments.length < 1) return this.node()[ns][id].duration;\n    return d3_selection_each(this, typeof value === \"function\" ? function(node, i, j) {\n      node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j));\n    } : (value = Math.max(1, value), function(node) {\n      node[ns][id].duration = value;\n    }));\n  };\n  d3_transitionPrototype.each = function(type, listener) {\n    var id = this.id, ns = this.namespace;\n    if (arguments.length < 2) {\n      var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;\n      try {\n        d3_transitionInheritId = id;\n        d3_selection_each(this, function(node, i, j) {\n          d3_transitionInherit = node[ns][id];\n          type.call(node, node.__data__, i, j);\n        });\n      } finally {\n        d3_transitionInherit = inherit;\n        d3_transitionInheritId = inheritId;\n      }\n    } else {\n      d3_selection_each(this, function(node) {\n        var transition = node[ns][id];\n        (transition.event || (transition.event = d3.dispatch(\"start\", \"end\", \"interrupt\"))).on(type, listener);\n      });\n    }\n    return this;\n  };\n  d3_transitionPrototype.transition = function() {\n    var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition;\n    for (var j = 0, m = this.length; j < m; j++) {\n      subgroups.push(subgroup = []);\n      for (var group = this[j], i = 0, n = group.length; i < n; i++) {\n        if (node = group[i]) {\n          transition = node[ns][id0];\n          d3_transitionNode(node, i, ns, id1, {\n            time: transition.time,\n            ease: transition.ease,\n            delay: transition.delay + transition.duration,\n            duration: transition.duration\n          });\n        }\n        subgroup.push(node);\n      }\n    }\n    return d3_transition(subgroups, ns, id1);\n  };\n  function d3_transitionNamespace(name) {\n    return name == null ? \"__transition__\" : \"__transition_\" + name + \"__\";\n  }\n  function d3_transitionNode(node, i, ns, id, inherit) {\n    var lock = node[ns] || (node[ns] = {\n      active: 0,\n      count: 0\n    }), transition = lock[id];\n    if (!transition) {\n      var time = inherit.time;\n      transition = lock[id] = {\n        tween: new d3_Map(),\n        time: time,\n        delay: inherit.delay,\n        duration: inherit.duration,\n        ease: inherit.ease,\n        index: i\n      };\n      inherit = null;\n      ++lock.count;\n      d3.timer(function(elapsed) {\n        var delay = transition.delay, duration, ease, timer = d3_timer_active, tweened = [];\n        timer.t = delay + time;\n        if (delay <= elapsed) return start(elapsed - delay);\n        timer.c = start;\n        function start(elapsed) {\n          if (lock.active > id) return stop();\n          var active = lock[lock.active];\n          if (active) {\n            --lock.count;\n            delete lock[lock.active];\n            active.event && active.event.interrupt.call(node, node.__data__, active.index);\n          }\n          lock.active = id;\n          transition.event && transition.event.start.call(node, node.__data__, i);\n          transition.tween.forEach(function(key, value) {\n            if (value = value.call(node, node.__data__, i)) {\n              tweened.push(value);\n            }\n          });\n          ease = transition.ease;\n          duration = transition.duration;\n          d3.timer(function() {\n            timer.c = tick(elapsed || 1) ? d3_true : tick;\n            return 1;\n          }, 0, time);\n        }\n        function tick(elapsed) {\n          if (lock.active !== id) return 1;\n          var t = elapsed / duration, e = ease(t), n = tweened.length;\n          while (n > 0) {\n            tweened[--n].call(node, e);\n          }\n          if (t >= 1) {\n            transition.event && transition.event.end.call(node, node.__data__, i);\n            return stop();\n          }\n        }\n        function stop() {\n          if (--lock.count) delete lock[id]; else delete node[ns];\n          return 1;\n        }\n      }, 0, time);\n    }\n  }\n  d3.svg.axis = function() {\n    var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_;\n    function axis(g) {\n      g.each(function() {\n        var g = d3.select(this);\n        var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy();\n        var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(\".tick\").data(ticks, scale1), tickEnter = tick.enter().insert(\"g\", \".domain\").attr(\"class\", \"tick\").style(\"opacity\", ε), tickExit = d3.transition(tick.exit()).style(\"opacity\", ε).remove(), tickUpdate = d3.transition(tick.order()).style(\"opacity\", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform;\n        var range = d3_scaleRange(scale1), path = g.selectAll(\".domain\").data([ 0 ]), pathUpdate = (path.enter().append(\"path\").attr(\"class\", \"domain\"), \n        d3.transition(path));\n        tickEnter.append(\"line\");\n        tickEnter.append(\"text\");\n        var lineEnter = tickEnter.select(\"line\"), lineUpdate = tickUpdate.select(\"line\"), text = tick.select(\"text\").text(tickFormat), textEnter = tickEnter.select(\"text\"), textUpdate = tickUpdate.select(\"text\"), sign = orient === \"top\" || orient === \"left\" ? -1 : 1, x1, x2, y1, y2;\n        if (orient === \"bottom\" || orient === \"top\") {\n          tickTransform = d3_svg_axisX, x1 = \"x\", y1 = \"y\", x2 = \"x2\", y2 = \"y2\";\n          text.attr(\"dy\", sign < 0 ? \"0em\" : \".71em\").style(\"text-anchor\", \"middle\");\n          pathUpdate.attr(\"d\", \"M\" + range[0] + \",\" + sign * outerTickSize + \"V0H\" + range[1] + \"V\" + sign * outerTickSize);\n        } else {\n          tickTransform = d3_svg_axisY, x1 = \"y\", y1 = \"x\", x2 = \"y2\", y2 = \"x2\";\n          text.attr(\"dy\", \".32em\").style(\"text-anchor\", sign < 0 ? \"end\" : \"start\");\n          pathUpdate.attr(\"d\", \"M\" + sign * outerTickSize + \",\" + range[0] + \"H0V\" + range[1] + \"H\" + sign * outerTickSize);\n        }\n        lineEnter.attr(y2, sign * innerTickSize);\n        textEnter.attr(y1, sign * tickSpacing);\n        lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize);\n        textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing);\n        if (scale1.rangeBand) {\n          var x = scale1, dx = x.rangeBand() / 2;\n          scale0 = scale1 = function(d) {\n            return x(d) + dx;\n          };\n        } else if (scale0.rangeBand) {\n          scale0 = scale1;\n        } else {\n          tickExit.call(tickTransform, scale1, scale0);\n        }\n        tickEnter.call(tickTransform, scale0, scale1);\n        tickUpdate.call(tickTransform, scale1, scale1);\n      });\n    }\n    axis.scale = function(x) {\n      if (!arguments.length) return scale;\n      scale = x;\n      return axis;\n    };\n    axis.orient = function(x) {\n      if (!arguments.length) return orient;\n      orient = x in d3_svg_axisOrients ? x + \"\" : d3_svg_axisDefaultOrient;\n      return axis;\n    };\n    axis.ticks = function() {\n      if (!arguments.length) return tickArguments_;\n      tickArguments_ = arguments;\n      return axis;\n    };\n    axis.tickValues = function(x) {\n      if (!arguments.length) return tickValues;\n      tickValues = x;\n      return axis;\n    };\n    axis.tickFormat = function(x) {\n      if (!arguments.length) return tickFormat_;\n      tickFormat_ = x;\n      return axis;\n    };\n    axis.tickSize = function(x) {\n      var n = arguments.length;\n      if (!n) return innerTickSize;\n      innerTickSize = +x;\n      outerTickSize = +arguments[n - 1];\n      return axis;\n    };\n    axis.innerTickSize = function(x) {\n      if (!arguments.length) return innerTickSize;\n      innerTickSize = +x;\n      return axis;\n    };\n    axis.outerTickSize = function(x) {\n      if (!arguments.length) return outerTickSize;\n      outerTickSize = +x;\n      return axis;\n    };\n    axis.tickPadding = function(x) {\n      if (!arguments.length) return tickPadding;\n      tickPadding = +x;\n      return axis;\n    };\n    axis.tickSubdivide = function() {\n      return arguments.length && axis;\n    };\n    return axis;\n  };\n  var d3_svg_axisDefaultOrient = \"bottom\", d3_svg_axisOrients = {\n    top: 1,\n    right: 1,\n    bottom: 1,\n    left: 1\n  };\n  function d3_svg_axisX(selection, x0, x1) {\n    selection.attr(\"transform\", function(d) {\n      var v0 = x0(d);\n      return \"translate(\" + (isFinite(v0) ? v0 : x1(d)) + \",0)\";\n    });\n  }\n  function d3_svg_axisY(selection, y0, y1) {\n    selection.attr(\"transform\", function(d) {\n      var v0 = y0(d);\n      return \"translate(0,\" + (isFinite(v0) ? v0 : y1(d)) + \")\";\n    });\n  }\n  d3.svg.brush = function() {\n    var event = d3_eventDispatch(brush, \"brushstart\", \"brush\", \"brushend\"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0];\n    function brush(g) {\n      g.each(function() {\n        var g = d3.select(this).style(\"pointer-events\", \"all\").style(\"-webkit-tap-highlight-color\", \"rgba(0,0,0,0)\").on(\"mousedown.brush\", brushstart).on(\"touchstart.brush\", brushstart);\n        var background = g.selectAll(\".background\").data([ 0 ]);\n        background.enter().append(\"rect\").attr(\"class\", \"background\").style(\"visibility\", \"hidden\").style(\"cursor\", \"crosshair\");\n        g.selectAll(\".extent\").data([ 0 ]).enter().append(\"rect\").attr(\"class\", \"extent\").style(\"cursor\", \"move\");\n        var resize = g.selectAll(\".resize\").data(resizes, d3_identity);\n        resize.exit().remove();\n        resize.enter().append(\"g\").attr(\"class\", function(d) {\n          return \"resize \" + d;\n        }).style(\"cursor\", function(d) {\n          return d3_svg_brushCursor[d];\n        }).append(\"rect\").attr(\"x\", function(d) {\n          return /[ew]$/.test(d) ? -3 : null;\n        }).attr(\"y\", function(d) {\n          return /^[ns]/.test(d) ? -3 : null;\n        }).attr(\"width\", 6).attr(\"height\", 6).style(\"visibility\", \"hidden\");\n        resize.style(\"display\", brush.empty() ? \"none\" : null);\n        var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range;\n        if (x) {\n          range = d3_scaleRange(x);\n          backgroundUpdate.attr(\"x\", range[0]).attr(\"width\", range[1] - range[0]);\n          redrawX(gUpdate);\n        }\n        if (y) {\n          range = d3_scaleRange(y);\n          backgroundUpdate.attr(\"y\", range[0]).attr(\"height\", range[1] - range[0]);\n          redrawY(gUpdate);\n        }\n        redraw(gUpdate);\n      });\n    }\n    brush.event = function(g) {\n      g.each(function() {\n        var event_ = event.of(this, arguments), extent1 = {\n          x: xExtent,\n          y: yExtent,\n          i: xExtentDomain,\n          j: yExtentDomain\n        }, extent0 = this.__chart__ || extent1;\n        this.__chart__ = extent1;\n        if (d3_transitionInheritId) {\n          d3.select(this).transition().each(\"start.brush\", function() {\n            xExtentDomain = extent0.i;\n            yExtentDomain = extent0.j;\n            xExtent = extent0.x;\n            yExtent = extent0.y;\n            event_({\n              type: \"brushstart\"\n            });\n          }).tween(\"brush:brush\", function() {\n            var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y);\n            xExtentDomain = yExtentDomain = null;\n            return function(t) {\n              xExtent = extent1.x = xi(t);\n              yExtent = extent1.y = yi(t);\n              event_({\n                type: \"brush\",\n                mode: \"resize\"\n              });\n            };\n          }).each(\"end.brush\", function() {\n            xExtentDomain = extent1.i;\n            yExtentDomain = extent1.j;\n            event_({\n              type: \"brush\",\n              mode: \"resize\"\n            });\n            event_({\n              type: \"brushend\"\n            });\n          });\n        } else {\n          event_({\n            type: \"brushstart\"\n          });\n          event_({\n            type: \"brush\",\n            mode: \"resize\"\n          });\n          event_({\n            type: \"brushend\"\n          });\n        }\n      });\n    };\n    function redraw(g) {\n      g.selectAll(\".resize\").attr(\"transform\", function(d) {\n        return \"translate(\" + xExtent[+/e$/.test(d)] + \",\" + yExtent[+/^s/.test(d)] + \")\";\n      });\n    }\n    function redrawX(g) {\n      g.select(\".extent\").attr(\"x\", xExtent[0]);\n      g.selectAll(\".extent,.n>rect,.s>rect\").attr(\"width\", xExtent[1] - xExtent[0]);\n    }\n    function redrawY(g) {\n      g.select(\".extent\").attr(\"y\", yExtent[0]);\n      g.selectAll(\".extent,.e>rect,.w>rect\").attr(\"height\", yExtent[1] - yExtent[0]);\n    }\n    function brushstart() {\n      var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed(\"extent\"), dragRestore = d3_event_dragSuppress(target), center, origin = d3.mouse(target), offset;\n      var w = d3.select(d3_window(target)).on(\"keydown.brush\", keydown).on(\"keyup.brush\", keyup);\n      if (d3.event.changedTouches) {\n        w.on(\"touchmove.brush\", brushmove).on(\"touchend.brush\", brushend);\n      } else {\n        w.on(\"mousemove.brush\", brushmove).on(\"mouseup.brush\", brushend);\n      }\n      g.interrupt().selectAll(\"*\").interrupt();\n      if (dragging) {\n        origin[0] = xExtent[0] - origin[0];\n        origin[1] = yExtent[0] - origin[1];\n      } else if (resizing) {\n        var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);\n        offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ];\n        origin[0] = xExtent[ex];\n        origin[1] = yExtent[ey];\n      } else if (d3.event.altKey) center = origin.slice();\n      g.style(\"pointer-events\", \"none\").selectAll(\".resize\").style(\"display\", null);\n      d3.select(\"body\").style(\"cursor\", eventTarget.style(\"cursor\"));\n      event_({\n        type: \"brushstart\"\n      });\n      brushmove();\n      function keydown() {\n        if (d3.event.keyCode == 32) {\n          if (!dragging) {\n            center = null;\n            origin[0] -= xExtent[1];\n            origin[1] -= yExtent[1];\n            dragging = 2;\n          }\n          d3_eventPreventDefault();\n        }\n      }\n      function keyup() {\n        if (d3.event.keyCode == 32 && dragging == 2) {\n          origin[0] += xExtent[1];\n          origin[1] += yExtent[1];\n          dragging = 0;\n          d3_eventPreventDefault();\n        }\n      }\n      function brushmove() {\n        var point = d3.mouse(target), moved = false;\n        if (offset) {\n          point[0] += offset[0];\n          point[1] += offset[1];\n        }\n        if (!dragging) {\n          if (d3.event.altKey) {\n            if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ];\n            origin[0] = xExtent[+(point[0] < center[0])];\n            origin[1] = yExtent[+(point[1] < center[1])];\n          } else center = null;\n        }\n        if (resizingX && move1(point, x, 0)) {\n          redrawX(g);\n          moved = true;\n        }\n        if (resizingY && move1(point, y, 1)) {\n          redrawY(g);\n          moved = true;\n        }\n        if (moved) {\n          redraw(g);\n          event_({\n            type: \"brush\",\n            mode: dragging ? \"move\" : \"resize\"\n          });\n        }\n      }\n      function move1(point, scale, i) {\n        var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max;\n        if (dragging) {\n          r0 -= position;\n          r1 -= size + position;\n        }\n        min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i];\n        if (dragging) {\n          max = (min += position) + size;\n        } else {\n          if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));\n          if (position < min) {\n            max = min;\n            min = position;\n          } else {\n            max = position;\n          }\n        }\n        if (extent[0] != min || extent[1] != max) {\n          if (i) yExtentDomain = null; else xExtentDomain = null;\n          extent[0] = min;\n          extent[1] = max;\n          return true;\n        }\n      }\n      function brushend() {\n        brushmove();\n        g.style(\"pointer-events\", \"all\").selectAll(\".resize\").style(\"display\", brush.empty() ? \"none\" : null);\n        d3.select(\"body\").style(\"cursor\", null);\n        w.on(\"mousemove.brush\", null).on(\"mouseup.brush\", null).on(\"touchmove.brush\", null).on(\"touchend.brush\", null).on(\"keydown.brush\", null).on(\"keyup.brush\", null);\n        dragRestore();\n        event_({\n          type: \"brushend\"\n        });\n      }\n    }\n    brush.x = function(z) {\n      if (!arguments.length) return x;\n      x = z;\n      resizes = d3_svg_brushResizes[!x << 1 | !y];\n      return brush;\n    };\n    brush.y = function(z) {\n      if (!arguments.length) return y;\n      y = z;\n      resizes = d3_svg_brushResizes[!x << 1 | !y];\n      return brush;\n    };\n    brush.clamp = function(z) {\n      if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null;\n      if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z;\n      return brush;\n    };\n    brush.extent = function(z) {\n      var x0, x1, y0, y1, t;\n      if (!arguments.length) {\n        if (x) {\n          if (xExtentDomain) {\n            x0 = xExtentDomain[0], x1 = xExtentDomain[1];\n          } else {\n            x0 = xExtent[0], x1 = xExtent[1];\n            if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);\n            if (x1 < x0) t = x0, x0 = x1, x1 = t;\n          }\n        }\n        if (y) {\n          if (yExtentDomain) {\n            y0 = yExtentDomain[0], y1 = yExtentDomain[1];\n          } else {\n            y0 = yExtent[0], y1 = yExtent[1];\n            if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);\n            if (y1 < y0) t = y0, y0 = y1, y1 = t;\n          }\n        }\n        return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];\n      }\n      if (x) {\n        x0 = z[0], x1 = z[1];\n        if (y) x0 = x0[0], x1 = x1[0];\n        xExtentDomain = [ x0, x1 ];\n        if (x.invert) x0 = x(x0), x1 = x(x1);\n        if (x1 < x0) t = x0, x0 = x1, x1 = t;\n        if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ];\n      }\n      if (y) {\n        y0 = z[0], y1 = z[1];\n        if (x) y0 = y0[1], y1 = y1[1];\n        yExtentDomain = [ y0, y1 ];\n        if (y.invert) y0 = y(y0), y1 = y(y1);\n        if (y1 < y0) t = y0, y0 = y1, y1 = t;\n        if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ];\n      }\n      return brush;\n    };\n    brush.clear = function() {\n      if (!brush.empty()) {\n        xExtent = [ 0, 0 ], yExtent = [ 0, 0 ];\n        xExtentDomain = yExtentDomain = null;\n      }\n      return brush;\n    };\n    brush.empty = function() {\n      return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1];\n    };\n    return d3.rebind(brush, event, \"on\");\n  };\n  var d3_svg_brushCursor = {\n    n: \"ns-resize\",\n    e: \"ew-resize\",\n    s: \"ns-resize\",\n    w: \"ew-resize\",\n    nw: \"nwse-resize\",\n    ne: \"nesw-resize\",\n    se: \"nwse-resize\",\n    sw: \"nesw-resize\"\n  };\n  var d3_svg_brushResizes = [ [ \"n\", \"e\", \"s\", \"w\", \"nw\", \"ne\", \"se\", \"sw\" ], [ \"e\", \"w\" ], [ \"n\", \"s\" ], [] ];\n  var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat;\n  var d3_time_formatUtc = d3_time_format.utc;\n  var d3_time_formatIso = d3_time_formatUtc(\"%Y-%m-%dT%H:%M:%S.%LZ\");\n  d3_time_format.iso = Date.prototype.toISOString && +new Date(\"2000-01-01T00:00:00.000Z\") ? d3_time_formatIsoNative : d3_time_formatIso;\n  function d3_time_formatIsoNative(date) {\n    return date.toISOString();\n  }\n  d3_time_formatIsoNative.parse = function(string) {\n    var date = new Date(string);\n    return isNaN(date) ? null : date;\n  };\n  d3_time_formatIsoNative.toString = d3_time_formatIso.toString;\n  d3_time.second = d3_time_interval(function(date) {\n    return new d3_date(Math.floor(date / 1e3) * 1e3);\n  }, function(date, offset) {\n    date.setTime(date.getTime() + Math.floor(offset) * 1e3);\n  }, function(date) {\n    return date.getSeconds();\n  });\n  d3_time.seconds = d3_time.second.range;\n  d3_time.seconds.utc = d3_time.second.utc.range;\n  d3_time.minute = d3_time_interval(function(date) {\n    return new d3_date(Math.floor(date / 6e4) * 6e4);\n  }, function(date, offset) {\n    date.setTime(date.getTime() + Math.floor(offset) * 6e4);\n  }, function(date) {\n    return date.getMinutes();\n  });\n  d3_time.minutes = d3_time.minute.range;\n  d3_time.minutes.utc = d3_time.minute.utc.range;\n  d3_time.hour = d3_time_interval(function(date) {\n    var timezone = date.getTimezoneOffset() / 60;\n    return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);\n  }, function(date, offset) {\n    date.setTime(date.getTime() + Math.floor(offset) * 36e5);\n  }, function(date) {\n    return date.getHours();\n  });\n  d3_time.hours = d3_time.hour.range;\n  d3_time.hours.utc = d3_time.hour.utc.range;\n  d3_time.month = d3_time_interval(function(date) {\n    date = d3_time.day(date);\n    date.setDate(1);\n    return date;\n  }, function(date, offset) {\n    date.setMonth(date.getMonth() + offset);\n  }, function(date) {\n    return date.getMonth();\n  });\n  d3_time.months = d3_time.month.range;\n  d3_time.months.utc = d3_time.month.utc.range;\n  function d3_time_scale(linear, methods, format) {\n    function scale(x) {\n      return linear(x);\n    }\n    scale.invert = function(x) {\n      return d3_time_scaleDate(linear.invert(x));\n    };\n    scale.domain = function(x) {\n      if (!arguments.length) return linear.domain().map(d3_time_scaleDate);\n      linear.domain(x);\n      return scale;\n    };\n    function tickMethod(extent, count) {\n      var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target);\n      return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) {\n        return d / 31536e6;\n      }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i];\n    }\n    scale.nice = function(interval, skip) {\n      var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === \"number\" && tickMethod(extent, interval);\n      if (method) interval = method[0], skip = method[1];\n      function skipped(date) {\n        return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length;\n      }\n      return scale.domain(d3_scale_nice(domain, skip > 1 ? {\n        floor: function(date) {\n          while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1);\n          return date;\n        },\n        ceil: function(date) {\n          while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1);\n          return date;\n        }\n      } : interval));\n    };\n    scale.ticks = function(interval, skip) {\n      var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === \"number\" ? tickMethod(extent, interval) : !interval.range && [ {\n        range: interval\n      }, skip ];\n      if (method) interval = method[0], skip = method[1];\n      return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip);\n    };\n    scale.tickFormat = function() {\n      return format;\n    };\n    scale.copy = function() {\n      return d3_time_scale(linear.copy(), methods, format);\n    };\n    return d3_scale_linearRebind(scale, linear);\n  }\n  function d3_time_scaleDate(t) {\n    return new Date(t);\n  }\n  var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];\n  var d3_time_scaleLocalMethods = [ [ d3_time.second, 1 ], [ d3_time.second, 5 ], [ d3_time.second, 15 ], [ d3_time.second, 30 ], [ d3_time.minute, 1 ], [ d3_time.minute, 5 ], [ d3_time.minute, 15 ], [ d3_time.minute, 30 ], [ d3_time.hour, 1 ], [ d3_time.hour, 3 ], [ d3_time.hour, 6 ], [ d3_time.hour, 12 ], [ d3_time.day, 1 ], [ d3_time.day, 2 ], [ d3_time.week, 1 ], [ d3_time.month, 1 ], [ d3_time.month, 3 ], [ d3_time.year, 1 ] ];\n  var d3_time_scaleLocalFormat = d3_time_format.multi([ [ \".%L\", function(d) {\n    return d.getMilliseconds();\n  } ], [ \":%S\", function(d) {\n    return d.getSeconds();\n  } ], [ \"%I:%M\", function(d) {\n    return d.getMinutes();\n  } ], [ \"%I %p\", function(d) {\n    return d.getHours();\n  } ], [ \"%a %d\", function(d) {\n    return d.getDay() && d.getDate() != 1;\n  } ], [ \"%b %d\", function(d) {\n    return d.getDate() != 1;\n  } ], [ \"%B\", function(d) {\n    return d.getMonth();\n  } ], [ \"%Y\", d3_true ] ]);\n  var d3_time_scaleMilliseconds = {\n    range: function(start, stop, step) {\n      return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate);\n    },\n    floor: d3_identity,\n    ceil: d3_identity\n  };\n  d3_time_scaleLocalMethods.year = d3_time.year;\n  d3_time.scale = function() {\n    return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);\n  };\n  var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) {\n    return [ m[0].utc, m[1] ];\n  });\n  var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ \".%L\", function(d) {\n    return d.getUTCMilliseconds();\n  } ], [ \":%S\", function(d) {\n    return d.getUTCSeconds();\n  } ], [ \"%I:%M\", function(d) {\n    return d.getUTCMinutes();\n  } ], [ \"%I %p\", function(d) {\n    return d.getUTCHours();\n  } ], [ \"%a %d\", function(d) {\n    return d.getUTCDay() && d.getUTCDate() != 1;\n  } ], [ \"%b %d\", function(d) {\n    return d.getUTCDate() != 1;\n  } ], [ \"%B\", function(d) {\n    return d.getUTCMonth();\n  } ], [ \"%Y\", d3_true ] ]);\n  d3_time_scaleUtcMethods.year = d3_time.year.utc;\n  d3_time.scale.utc = function() {\n    return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat);\n  };\n  d3.text = d3_xhrType(function(request) {\n    return request.responseText;\n  });\n  d3.json = function(url, callback) {\n    return d3_xhr(url, \"application/json\", d3_json, callback);\n  };\n  function d3_json(request) {\n    return JSON.parse(request.responseText);\n  }\n  d3.html = function(url, callback) {\n    return d3_xhr(url, \"text/html\", d3_html, callback);\n  };\n  function d3_html(request) {\n    var range = d3_document.createRange();\n    range.selectNode(d3_document.body);\n    return range.createContextualFragment(request.responseText);\n  }\n  d3.xml = d3_xhrType(function(request) {\n    return request.responseXML;\n  });\n  if (typeof define === \"function\" && define.amd) define(d3); else if (typeof module === \"object\" && module.exports) module.exports = d3;\n  this.d3 = d3;\n}();","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util'; // id may be function name of Object, add a prefix to avoid this problem.\n\nfunction generateNodeKey(id) {\n  return '_EC_' + id;\n}\n\nvar Graph =\n/** @class */\nfunction () {\n  function Graph(directed) {\n    this.type = 'graph';\n    this.nodes = [];\n    this.edges = [];\n    this._nodesMap = {};\n    /**\n     * @type {Object.<string, module:echarts/data/Graph.Edge>}\n     * @private\n     */\n\n    this._edgesMap = {};\n    this._directed = directed || false;\n  }\n  /**\n   * If is directed graph\n   */\n\n\n  Graph.prototype.isDirected = function () {\n    return this._directed;\n  };\n\n  ;\n  /**\n   * Add a new node\n   */\n\n  Graph.prototype.addNode = function (id, dataIndex) {\n    id = id == null ? '' + dataIndex : '' + id;\n    var nodesMap = this._nodesMap;\n\n    if (nodesMap[generateNodeKey(id)]) {\n      if (process.env.NODE_ENV !== 'production') {\n        console.error('Graph nodes have duplicate name or id');\n      }\n\n      return;\n    }\n\n    var node = new GraphNode(id, dataIndex);\n    node.hostGraph = this;\n    this.nodes.push(node);\n    nodesMap[generateNodeKey(id)] = node;\n    return node;\n  };\n\n  ;\n  /**\n   * Get node by data index\n   */\n\n  Graph.prototype.getNodeByIndex = function (dataIndex) {\n    var rawIdx = this.data.getRawIndex(dataIndex);\n    return this.nodes[rawIdx];\n  };\n\n  ;\n  /**\n   * Get node by id\n   */\n\n  Graph.prototype.getNodeById = function (id) {\n    return this._nodesMap[generateNodeKey(id)];\n  };\n\n  ;\n  /**\n   * Add a new edge\n   */\n\n  Graph.prototype.addEdge = function (n1, n2, dataIndex) {\n    var nodesMap = this._nodesMap;\n    var edgesMap = this._edgesMap; // PNEDING\n\n    if (typeof n1 === 'number') {\n      n1 = this.nodes[n1];\n    }\n\n    if (typeof n2 === 'number') {\n      n2 = this.nodes[n2];\n    }\n\n    if (!(n1 instanceof GraphNode)) {\n      n1 = nodesMap[generateNodeKey(n1)];\n    }\n\n    if (!(n2 instanceof GraphNode)) {\n      n2 = nodesMap[generateNodeKey(n2)];\n    }\n\n    if (!n1 || !n2) {\n      return;\n    }\n\n    var key = n1.id + '-' + n2.id;\n    var edge = new GraphEdge(n1, n2, dataIndex);\n    edge.hostGraph = this;\n\n    if (this._directed) {\n      n1.outEdges.push(edge);\n      n2.inEdges.push(edge);\n    }\n\n    n1.edges.push(edge);\n\n    if (n1 !== n2) {\n      n2.edges.push(edge);\n    }\n\n    this.edges.push(edge);\n    edgesMap[key] = edge;\n    return edge;\n  };\n\n  ;\n  /**\n   * Get edge by data index\n   */\n\n  Graph.prototype.getEdgeByIndex = function (dataIndex) {\n    var rawIdx = this.edgeData.getRawIndex(dataIndex);\n    return this.edges[rawIdx];\n  };\n\n  ;\n  /**\n   * Get edge by two linked nodes\n   */\n\n  Graph.prototype.getEdge = function (n1, n2) {\n    if (n1 instanceof GraphNode) {\n      n1 = n1.id;\n    }\n\n    if (n2 instanceof GraphNode) {\n      n2 = n2.id;\n    }\n\n    var edgesMap = this._edgesMap;\n\n    if (this._directed) {\n      return edgesMap[n1 + '-' + n2];\n    } else {\n      return edgesMap[n1 + '-' + n2] || edgesMap[n2 + '-' + n1];\n    }\n  };\n\n  ;\n  /**\n   * Iterate all nodes\n   */\n\n  Graph.prototype.eachNode = function (cb, context) {\n    var nodes = this.nodes;\n    var len = nodes.length;\n\n    for (var i = 0; i < len; i++) {\n      if (nodes[i].dataIndex >= 0) {\n        cb.call(context, nodes[i], i);\n      }\n    }\n  };\n\n  ;\n  /**\n   * Iterate all edges\n   */\n\n  Graph.prototype.eachEdge = function (cb, context) {\n    var edges = this.edges;\n    var len = edges.length;\n\n    for (var i = 0; i < len; i++) {\n      if (edges[i].dataIndex >= 0 && edges[i].node1.dataIndex >= 0 && edges[i].node2.dataIndex >= 0) {\n        cb.call(context, edges[i], i);\n      }\n    }\n  };\n\n  ;\n  /**\n   * Breadth first traverse\n   * Return true to stop traversing\n   */\n\n  Graph.prototype.breadthFirstTraverse = function (cb, startNode, direction, context) {\n    if (!(startNode instanceof GraphNode)) {\n      startNode = this._nodesMap[generateNodeKey(startNode)];\n    }\n\n    if (!startNode) {\n      return;\n    }\n\n    var edgeType = direction === 'out' ? 'outEdges' : direction === 'in' ? 'inEdges' : 'edges';\n\n    for (var i = 0; i < this.nodes.length; i++) {\n      this.nodes[i].__visited = false;\n    }\n\n    if (cb.call(context, startNode, null)) {\n      return;\n    }\n\n    var queue = [startNode];\n\n    while (queue.length) {\n      var currentNode = queue.shift();\n      var edges = currentNode[edgeType];\n\n      for (var i = 0; i < edges.length; i++) {\n        var e = edges[i];\n        var otherNode = e.node1 === currentNode ? e.node2 : e.node1;\n\n        if (!otherNode.__visited) {\n          if (cb.call(context, otherNode, currentNode)) {\n            // Stop traversing\n            return;\n          }\n\n          queue.push(otherNode);\n          otherNode.__visited = true;\n        }\n      }\n    }\n  };\n\n  ; // TODO\n  // depthFirstTraverse(\n  //     cb, startNode, direction, context\n  // ) {\n  // };\n  // Filter update\n\n  Graph.prototype.update = function () {\n    var data = this.data;\n    var edgeData = this.edgeData;\n    var nodes = this.nodes;\n    var edges = this.edges;\n\n    for (var i = 0, len = nodes.length; i < len; i++) {\n      nodes[i].dataIndex = -1;\n    }\n\n    for (var i = 0, len = data.count(); i < len; i++) {\n      nodes[data.getRawIndex(i)].dataIndex = i;\n    }\n\n    edgeData.filterSelf(function (idx) {\n      var edge = edges[edgeData.getRawIndex(idx)];\n      return edge.node1.dataIndex >= 0 && edge.node2.dataIndex >= 0;\n    }); // Update edge\n\n    for (var i = 0, len = edges.length; i < len; i++) {\n      edges[i].dataIndex = -1;\n    }\n\n    for (var i = 0, len = edgeData.count(); i < len; i++) {\n      edges[edgeData.getRawIndex(i)].dataIndex = i;\n    }\n  };\n\n  ;\n  /**\n   * @return {module:echarts/data/Graph}\n   */\n\n  Graph.prototype.clone = function () {\n    var graph = new Graph(this._directed);\n    var nodes = this.nodes;\n    var edges = this.edges;\n\n    for (var i = 0; i < nodes.length; i++) {\n      graph.addNode(nodes[i].id, nodes[i].dataIndex);\n    }\n\n    for (var i = 0; i < edges.length; i++) {\n      var e = edges[i];\n      graph.addEdge(e.node1.id, e.node2.id, e.dataIndex);\n    }\n\n    return graph;\n  };\n\n  ;\n  return Graph;\n}();\n\nvar GraphNode =\n/** @class */\nfunction () {\n  function GraphNode(id, dataIndex) {\n    this.inEdges = [];\n    this.outEdges = [];\n    this.edges = [];\n    this.dataIndex = -1;\n    this.id = id == null ? '' : id;\n    this.dataIndex = dataIndex == null ? -1 : dataIndex;\n  }\n  /**\n   * @return {number}\n   */\n\n\n  GraphNode.prototype.degree = function () {\n    return this.edges.length;\n  };\n  /**\n   * @return {number}\n   */\n\n\n  GraphNode.prototype.inDegree = function () {\n    return this.inEdges.length;\n  };\n  /**\n  * @return {number}\n  */\n\n\n  GraphNode.prototype.outDegree = function () {\n    return this.outEdges.length;\n  };\n\n  GraphNode.prototype.getModel = function (path) {\n    if (this.dataIndex < 0) {\n      return;\n    }\n\n    var graph = this.hostGraph;\n    var itemModel = graph.data.getItemModel(this.dataIndex);\n    return itemModel.getModel(path);\n  };\n\n  GraphNode.prototype.getAdjacentDataIndices = function () {\n    var dataIndices = {\n      edge: [],\n      node: []\n    };\n\n    for (var i = 0; i < this.edges.length; i++) {\n      var adjacentEdge = this.edges[i];\n\n      if (adjacentEdge.dataIndex < 0) {\n        continue;\n      }\n\n      dataIndices.edge.push(adjacentEdge.dataIndex);\n      dataIndices.node.push(adjacentEdge.node1.dataIndex, adjacentEdge.node2.dataIndex);\n    }\n\n    return dataIndices;\n  };\n\n  return GraphNode;\n}();\n\nvar GraphEdge =\n/** @class */\nfunction () {\n  function GraphEdge(n1, n2, dataIndex) {\n    this.dataIndex = -1;\n    this.node1 = n1;\n    this.node2 = n2;\n    this.dataIndex = dataIndex == null ? -1 : dataIndex;\n  }\n\n  GraphEdge.prototype.getModel = function (path) {\n    if (this.dataIndex < 0) {\n      return;\n    }\n\n    var graph = this.hostGraph;\n    var itemModel = graph.edgeData.getItemModel(this.dataIndex);\n    return itemModel.getModel(path);\n  };\n\n  GraphEdge.prototype.getAdjacentDataIndices = function () {\n    return {\n      edge: [this.dataIndex],\n      node: [this.node1.dataIndex, this.node2.dataIndex]\n    };\n  };\n\n  return GraphEdge;\n}();\n\nfunction createGraphDataProxyMixin(hostName, dataName) {\n  return {\n    /**\n     * @param Default 'value'. can be 'a', 'b', 'c', 'd', 'e'.\n     */\n    getValue: function (dimension) {\n      var data = this[hostName][dataName];\n      return data.get(data.getDimension(dimension || 'value'), this.dataIndex);\n    },\n    // TODO: TYPE stricter type.\n    setVisual: function (key, value) {\n      this.dataIndex >= 0 && this[hostName][dataName].setItemVisual(this.dataIndex, key, value);\n    },\n    getVisual: function (key) {\n      return this[hostName][dataName].getItemVisual(this.dataIndex, key);\n    },\n    setLayout: function (layout, merge) {\n      this.dataIndex >= 0 && this[hostName][dataName].setItemLayout(this.dataIndex, layout, merge);\n    },\n    getLayout: function () {\n      return this[hostName][dataName].getItemLayout(this.dataIndex);\n    },\n    getGraphicEl: function () {\n      return this[hostName][dataName].getItemGraphicEl(this.dataIndex);\n    },\n    getRawIndex: function () {\n      return this[hostName][dataName].getRawIndex(this.dataIndex);\n    }\n  };\n}\n\n;\n;\n;\nzrUtil.mixin(GraphNode, createGraphDataProxyMixin('hostGraph', 'data'));\nzrUtil.mixin(GraphEdge, createGraphDataProxyMixin('hostGraph', 'edgeData'));\nexport default Graph;\nexport { GraphNode, GraphEdge };","import { Subject } from 'rxjs';\nimport { takeUntil } from 'rxjs/operators';\n\nfunction isFunction(target) {\n    return typeof target === 'function';\n}\n/**\n * Applied to instances and stores `Subject` instance\n */\nvar DESTROY = Symbol('__destroy');\n/**\n * Applied to definitions and informs that class is decorated\n */\nvar DECORATOR_APPLIED = Symbol('__decoratorApplied');\nfunction markAsDecorated(providerOrDef) {\n    providerOrDef[DECORATOR_APPLIED] = true;\n}\nfunction ensureClassIsDecorated(instance) {\n    var constructor = instance.constructor;\n    var providerOrDef = isInjectableType(constructor) ? constructor : getDef(constructor);\n    var missingDecorator = !providerOrDef[DECORATOR_APPLIED];\n    if (missingDecorator) {\n        throw new Error('untilDestroyed operator cannot be used inside directives or ' +\n            'components or providers that are not decorated with UntilDestroy decorator');\n    }\n}\nfunction createSubjectOnTheInstance(instance) {\n    if (!instance[DESTROY]) {\n        instance[DESTROY] = new Subject();\n    }\n}\nfunction completeSubjectOnTheInstance(instance) {\n    if (instance[DESTROY]) {\n        instance[DESTROY].next();\n        instance[DESTROY].complete();\n    }\n}\n/**\n * As directive and component definitions are considered private API,\n * so those properties are prefixed with Angular's marker for \"private\"\n */\nfunction getDef(type) {\n    return type.ɵdir || type.ɵcmp;\n}\n/**\n * Determines whether the provided `target` is some function\n * decorated with `@Injectable()`\n */\nfunction isInjectableType(target) {\n    return !!target.ɵprov;\n}\n\nfunction unsubscribe(property) {\n    property && isFunction(property.unsubscribe) && property.unsubscribe();\n}\nfunction unsubscribeIfPropertyIsArrayLike(property) {\n    Array.isArray(property) && property.forEach(unsubscribe);\n}\nfunction decorateNgOnDestroy(ngOnDestroy, _a) {\n    var arrayName = _a.arrayName, checkProperties = _a.checkProperties, blackList = _a.blackList;\n    return function () {\n        // Invoke the original `ngOnDestroy` if it exists\n        ngOnDestroy && ngOnDestroy.call(this);\n        // It's important to use `this` instead of caching instance\n        // that may lead to memory leaks\n        completeSubjectOnTheInstance(this);\n        // Check if subscriptions are pushed to some array\n        if (arrayName) {\n            return unsubscribeIfPropertyIsArrayLike(this[arrayName]);\n        }\n        // Loop through the properties and find subscriptions\n        if (checkProperties) {\n            for (var property in this) {\n                if (blackList && blackList.includes(property)) {\n                    continue;\n                }\n                unsubscribe(this[property]);\n            }\n        }\n    };\n}\n/**\n * Services do not have definitions, thus we just have to override the\n * prototype property in Ivy\n */\nfunction decorateProvider(type, options) {\n    type.prototype.ngOnDestroy = decorateNgOnDestroy(type.prototype.ngOnDestroy, options);\n    markAsDecorated(type);\n}\nfunction decorateDirective(type, options) {\n    var def = getDef(type);\n    def.onDestroy = decorateNgOnDestroy(def.onDestroy, options);\n    markAsDecorated(def);\n}\nfunction UntilDestroy(options) {\n    if (options === void 0) { options = {}; }\n    return function (target) {\n        if (isInjectableType(target)) {\n            decorateProvider(target, options);\n        }\n        else {\n            decorateDirective(target, options);\n        }\n    };\n}\n\nfunction overrideNonDirectiveInstanceMethod(instance, destroyMethodName) {\n    var originalDestroy = instance[destroyMethodName];\n    if (isFunction(originalDestroy) === false) {\n        throw new Error(instance.constructor.name + \" is using untilDestroyed but doesn't implement \" + destroyMethodName);\n    }\n    createSubjectOnTheInstance(instance);\n    instance[destroyMethodName] = function () {\n        isFunction(originalDestroy) && originalDestroy.apply(this, arguments);\n        completeSubjectOnTheInstance(this);\n    };\n}\nfunction untilDestroyed(instance, destroyMethodName) {\n    return function (source) {\n        // If `destroyMethodName` is passed then the developer applies\n        // this operator to something non-related to Angular DI system\n        if (typeof destroyMethodName === 'string') {\n            overrideNonDirectiveInstanceMethod(instance, destroyMethodName);\n        }\n        else {\n            ensureClassIsDecorated(instance);\n            createSubjectOnTheInstance(instance);\n        }\n        return source.pipe(takeUntil(instance[DESTROY]));\n    };\n}\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { UntilDestroy, untilDestroyed };\n","\"use strict\";\nvar __importDefault = (this && this.__importDefault) || function (mod) {\n    return (mod && mod.__esModule) ? mod : { \"default\": mod };\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar decode_json_1 = __importDefault(require(\"./maps/decode.json\"));\n// modified version of https://github.com/mathiasbynens/he/blob/master/src/he.js#L94-L119\nfunction decodeCodePoint(codePoint) {\n    if ((codePoint >= 0xd800 && codePoint <= 0xdfff) || codePoint > 0x10ffff) {\n        return \"\\uFFFD\";\n    }\n    if (codePoint in decode_json_1.default) {\n        // @ts-ignore\n        codePoint = decode_json_1.default[codePoint];\n    }\n    var output = \"\";\n    if (codePoint > 0xffff) {\n        codePoint -= 0x10000;\n        output += String.fromCharCode(((codePoint >>> 10) & 0x3ff) | 0xd800);\n        codePoint = 0xdc00 | (codePoint & 0x3ff);\n    }\n    output += String.fromCharCode(codePoint);\n    return output;\n}\nexports.default = decodeCodePoint;\n","import { __extends } from 'tslib';\nimport { CdkTextareaAutosize, AutofillMonitor, TextFieldModule } from '@angular/cdk/text-field';\nimport { Directive, Input, InjectionToken, ElementRef, Optional, Self, Inject, NgZone, NgModule } from '@angular/core';\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { getSupportedInputTypes, Platform } from '@angular/cdk/platform';\nimport { NgControl, NgForm, FormGroupDirective } from '@angular/forms';\nimport { mixinErrorState, ErrorStateMatcher } from '@angular/material/core';\nimport { MatFormFieldControl, MatFormFieldModule } from '@angular/material/form-field';\nimport { Subject } from 'rxjs';\nimport { CommonModule } from '@angular/common';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Directive to automatically resize a textarea to fit its content.\n * @deprecated Use `cdkTextareaAutosize` from `@angular/cdk/text-field` instead.\n * @breaking-change 8.0.0\n */\nvar MatTextareaAutosize = /** @class */ (function (_super) {\n    __extends(MatTextareaAutosize, _super);\n    function MatTextareaAutosize() {\n        return _super !== null && _super.apply(this, arguments) || this;\n    }\n    Object.defineProperty(MatTextareaAutosize.prototype, \"matAutosizeMinRows\", {\n        get: function () { return this.minRows; },\n        set: function (value) { this.minRows = value; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatTextareaAutosize.prototype, \"matAutosizeMaxRows\", {\n        get: function () { return this.maxRows; },\n        set: function (value) { this.maxRows = value; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatTextareaAutosize.prototype, \"matAutosize\", {\n        get: function () { return this.enabled; },\n        set: function (value) { this.enabled = value; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatTextareaAutosize.prototype, \"matTextareaAutosize\", {\n        get: function () { return this.enabled; },\n        set: function (value) { this.enabled = value; },\n        enumerable: true,\n        configurable: true\n    });\n    MatTextareaAutosize.decorators = [\n        { type: Directive, args: [{\n                    selector: 'textarea[mat-autosize], textarea[matTextareaAutosize]',\n                    exportAs: 'matTextareaAutosize',\n                    inputs: ['cdkAutosizeMinRows', 'cdkAutosizeMaxRows'],\n                    host: {\n                        'class': 'cdk-textarea-autosize mat-autosize',\n                        // Textarea elements that have the directive applied should have a single row by default.\n                        // Browsers normally show two rows by default and therefore this limits the minRows binding.\n                        'rows': '1',\n                    },\n                },] }\n    ];\n    MatTextareaAutosize.propDecorators = {\n        matAutosizeMinRows: [{ type: Input }],\n        matAutosizeMaxRows: [{ type: Input }],\n        matAutosize: [{ type: Input, args: ['mat-autosize',] }],\n        matTextareaAutosize: [{ type: Input }]\n    };\n    return MatTextareaAutosize;\n}(CdkTextareaAutosize));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** @docs-private */\nfunction getMatInputUnsupportedTypeError(type) {\n    return Error(\"Input type \\\"\" + type + \"\\\" isn't supported by matInput.\");\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * This token is used to inject the object whose value should be set into `MatInput`. If none is\n * provided, the native `HTMLInputElement` is used. Directives like `MatDatepickerInput` can provide\n * themselves for this token, in order to make `MatInput` delegate the getting and setting of the\n * value to them.\n */\nvar MAT_INPUT_VALUE_ACCESSOR = new InjectionToken('MAT_INPUT_VALUE_ACCESSOR');\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Invalid input type. Using one of these will throw an MatInputUnsupportedTypeError.\nvar MAT_INPUT_INVALID_TYPES = [\n    'button',\n    'checkbox',\n    'file',\n    'hidden',\n    'image',\n    'radio',\n    'range',\n    'reset',\n    'submit'\n];\nvar nextUniqueId = 0;\n// Boilerplate for applying mixins to MatInput.\n/** @docs-private */\nvar MatInputBase = /** @class */ (function () {\n    function MatInputBase(_defaultErrorStateMatcher, _parentForm, _parentFormGroup, \n    /** @docs-private */\n    ngControl) {\n        this._defaultErrorStateMatcher = _defaultErrorStateMatcher;\n        this._parentForm = _parentForm;\n        this._parentFormGroup = _parentFormGroup;\n        this.ngControl = ngControl;\n    }\n    return MatInputBase;\n}());\nvar _MatInputMixinBase = mixinErrorState(MatInputBase);\n/** Directive that allows a native input to work inside a `MatFormField`. */\nvar MatInput = /** @class */ (function (_super) {\n    __extends(MatInput, _super);\n    function MatInput(_elementRef, _platform, \n    /** @docs-private */\n    ngControl, _parentForm, _parentFormGroup, _defaultErrorStateMatcher, inputValueAccessor, _autofillMonitor, ngZone) {\n        var _this = _super.call(this, _defaultErrorStateMatcher, _parentForm, _parentFormGroup, ngControl) || this;\n        _this._elementRef = _elementRef;\n        _this._platform = _platform;\n        _this.ngControl = ngControl;\n        _this._autofillMonitor = _autofillMonitor;\n        _this._uid = \"mat-input-\" + nextUniqueId++;\n        /** Whether the component is being rendered on the server. */\n        _this._isServer = false;\n        /** Whether the component is a native html select. */\n        _this._isNativeSelect = false;\n        /**\n         * Implemented as part of MatFormFieldControl.\n         * @docs-private\n         */\n        _this.focused = false;\n        /**\n         * Implemented as part of MatFormFieldControl.\n         * @docs-private\n         */\n        _this.stateChanges = new Subject();\n        /**\n         * Implemented as part of MatFormFieldControl.\n         * @docs-private\n         */\n        _this.controlType = 'mat-input';\n        /**\n         * Implemented as part of MatFormFieldControl.\n         * @docs-private\n         */\n        _this.autofilled = false;\n        _this._disabled = false;\n        _this._required = false;\n        _this._type = 'text';\n        _this._readonly = false;\n        _this._neverEmptyInputTypes = [\n            'date',\n            'datetime',\n            'datetime-local',\n            'month',\n            'time',\n            'week'\n        ].filter(function (t) { return getSupportedInputTypes().has(t); });\n        var element = _this._elementRef.nativeElement;\n        // If no input value accessor was explicitly specified, use the element as the input value\n        // accessor.\n        _this._inputValueAccessor = inputValueAccessor || element;\n        _this._previousNativeValue = _this.value;\n        // Force setter to be called in case id was not specified.\n        _this.id = _this.id;\n        // On some versions of iOS the caret gets stuck in the wrong place when holding down the delete\n        // key. In order to get around this we need to \"jiggle\" the caret loose. Since this bug only\n        // exists on iOS, we only bother to install the listener on iOS.\n        if (_platform.IOS) {\n            ngZone.runOutsideAngular(function () {\n                _elementRef.nativeElement.addEventListener('keyup', function (event) {\n                    var el = event.target;\n                    if (!el.value && !el.selectionStart && !el.selectionEnd) {\n                        // Note: Just setting `0, 0` doesn't fix the issue. Setting\n                        // `1, 1` fixes it for the first time that you type text and\n                        // then hold delete. Toggling to `1, 1` and then back to\n                        // `0, 0` seems to completely fix it.\n                        el.setSelectionRange(1, 1);\n                        el.setSelectionRange(0, 0);\n                    }\n                });\n            });\n        }\n        _this._isServer = !_this._platform.isBrowser;\n        _this._isNativeSelect = element.nodeName.toLowerCase() === 'select';\n        if (_this._isNativeSelect) {\n            _this.controlType = element.multiple ? 'mat-native-select-multiple' :\n                'mat-native-select';\n        }\n        return _this;\n    }\n    Object.defineProperty(MatInput.prototype, \"disabled\", {\n        /**\n         * Implemented as part of MatFormFieldControl.\n         * @docs-private\n         */\n        get: function () {\n            if (this.ngControl && this.ngControl.disabled !== null) {\n                return this.ngControl.disabled;\n            }\n            return this._disabled;\n        },\n        set: function (value) {\n            this._disabled = coerceBooleanProperty(value);\n            // Browsers may not fire the blur event if the input is disabled too quickly.\n            // Reset from here to ensure that the element doesn't become stuck.\n            if (this.focused) {\n                this.focused = false;\n                this.stateChanges.next();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatInput.prototype, \"id\", {\n        /**\n         * Implemented as part of MatFormFieldControl.\n         * @docs-private\n         */\n        get: function () { return this._id; },\n        set: function (value) { this._id = value || this._uid; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatInput.prototype, \"required\", {\n        /**\n         * Implemented as part of MatFormFieldControl.\n         * @docs-private\n         */\n        get: function () { return this._required; },\n        set: function (value) { this._required = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatInput.prototype, \"type\", {\n        /** Input type of the element. */\n        get: function () { return this._type; },\n        set: function (value) {\n            this._type = value || 'text';\n            this._validateType();\n            // When using Angular inputs, developers are no longer able to set the properties on the native\n            // input element. To ensure that bindings for `type` work, we need to sync the setter\n            // with the native property. Textarea elements don't support the type property or attribute.\n            if (!this._isTextarea() && getSupportedInputTypes().has(this._type)) {\n                this._elementRef.nativeElement.type = this._type;\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatInput.prototype, \"value\", {\n        /**\n         * Implemented as part of MatFormFieldControl.\n         * @docs-private\n         */\n        get: function () { return this._inputValueAccessor.value; },\n        set: function (value) {\n            if (value !== this.value) {\n                this._inputValueAccessor.value = value;\n                this.stateChanges.next();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatInput.prototype, \"readonly\", {\n        /** Whether the element is readonly. */\n        get: function () { return this._readonly; },\n        set: function (value) { this._readonly = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    MatInput.prototype.ngOnInit = function () {\n        var _this = this;\n        if (this._platform.isBrowser) {\n            this._autofillMonitor.monitor(this._elementRef.nativeElement).subscribe(function (event) {\n                _this.autofilled = event.isAutofilled;\n                _this.stateChanges.next();\n            });\n        }\n    };\n    MatInput.prototype.ngOnChanges = function () {\n        this.stateChanges.next();\n    };\n    MatInput.prototype.ngOnDestroy = function () {\n        this.stateChanges.complete();\n        if (this._platform.isBrowser) {\n            this._autofillMonitor.stopMonitoring(this._elementRef.nativeElement);\n        }\n    };\n    MatInput.prototype.ngDoCheck = function () {\n        if (this.ngControl) {\n            // We need to re-evaluate this on every change detection cycle, because there are some\n            // error triggers that we can't subscribe to (e.g. parent form submissions). This means\n            // that whatever logic is in here has to be super lean or we risk destroying the performance.\n            this.updateErrorState();\n        }\n        // We need to dirty-check the native element's value, because there are some cases where\n        // we won't be notified when it changes (e.g. the consumer isn't using forms or they're\n        // updating the value using `emitEvent: false`).\n        this._dirtyCheckNativeValue();\n    };\n    /** Focuses the input. */\n    MatInput.prototype.focus = function (options) {\n        this._elementRef.nativeElement.focus(options);\n    };\n    /** Callback for the cases where the focused state of the input changes. */\n    MatInput.prototype._focusChanged = function (isFocused) {\n        if (isFocused !== this.focused && (!this.readonly || !isFocused)) {\n            this.focused = isFocused;\n            this.stateChanges.next();\n        }\n    };\n    MatInput.prototype._onInput = function () {\n        // This is a noop function and is used to let Angular know whenever the value changes.\n        // Angular will run a new change detection each time the `input` event has been dispatched.\n        // It's necessary that Angular recognizes the value change, because when floatingLabel\n        // is set to false and Angular forms aren't used, the placeholder won't recognize the\n        // value changes and will not disappear.\n        // Listening to the input event wouldn't be necessary when the input is using the\n        // FormsModule or ReactiveFormsModule, because Angular forms also listens to input events.\n    };\n    /** Determines if the component host is a textarea. */\n    MatInput.prototype._isTextarea = function () {\n        return this._elementRef.nativeElement.nodeName.toLowerCase() === 'textarea';\n    };\n    /** Does some manual dirty checking on the native input `value` property. */\n    MatInput.prototype._dirtyCheckNativeValue = function () {\n        var newValue = this._elementRef.nativeElement.value;\n        if (this._previousNativeValue !== newValue) {\n            this._previousNativeValue = newValue;\n            this.stateChanges.next();\n        }\n    };\n    /** Make sure the input is a supported type. */\n    MatInput.prototype._validateType = function () {\n        if (MAT_INPUT_INVALID_TYPES.indexOf(this._type) > -1) {\n            throw getMatInputUnsupportedTypeError(this._type);\n        }\n    };\n    /** Checks whether the input type is one of the types that are never empty. */\n    MatInput.prototype._isNeverEmpty = function () {\n        return this._neverEmptyInputTypes.indexOf(this._type) > -1;\n    };\n    /** Checks whether the input is invalid based on the native validation. */\n    MatInput.prototype._isBadInput = function () {\n        // The `validity` property won't be present on platform-server.\n        var validity = this._elementRef.nativeElement.validity;\n        return validity && validity.badInput;\n    };\n    Object.defineProperty(MatInput.prototype, \"empty\", {\n        /**\n         * Implemented as part of MatFormFieldControl.\n         * @docs-private\n         */\n        get: function () {\n            return !this._isNeverEmpty() && !this._elementRef.nativeElement.value && !this._isBadInput() &&\n                !this.autofilled;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatInput.prototype, \"shouldLabelFloat\", {\n        /**\n         * Implemented as part of MatFormFieldControl.\n         * @docs-private\n         */\n        get: function () {\n            if (this._isNativeSelect) {\n                // For a single-selection `<select>`, the label should float when the selected option has\n                // a non-empty display value. For a `<select multiple>`, the label *always* floats to avoid\n                // overlapping the label with the options.\n                var selectElement = this._elementRef.nativeElement;\n                var firstOption = selectElement.options[0];\n                // On most browsers the `selectedIndex` will always be 0, however on IE and Edge it'll be\n                // -1 if the `value` is set to something, that isn't in the list of options, at a later point.\n                return this.focused || selectElement.multiple || !this.empty ||\n                    !!(selectElement.selectedIndex > -1 && firstOption && firstOption.label);\n            }\n            else {\n                return this.focused || !this.empty;\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Implemented as part of MatFormFieldControl.\n     * @docs-private\n     */\n    MatInput.prototype.setDescribedByIds = function (ids) {\n        this._ariaDescribedby = ids.join(' ');\n    };\n    /**\n     * Implemented as part of MatFormFieldControl.\n     * @docs-private\n     */\n    MatInput.prototype.onContainerClick = function () {\n        // Do not re-focus the input element if the element is already focused. Otherwise it can happen\n        // that someone clicks on a time input and the cursor resets to the \"hours\" field while the\n        // \"minutes\" field was actually clicked. See: https://github.com/angular/components/issues/12849\n        if (!this.focused) {\n            this.focus();\n        }\n    };\n    MatInput.decorators = [\n        { type: Directive, args: [{\n                    selector: \"input[matInput], textarea[matInput], select[matNativeControl],\\n      input[matNativeControl], textarea[matNativeControl]\",\n                    exportAs: 'matInput',\n                    host: {\n                        /**\n                         * @breaking-change 8.0.0 remove .mat-form-field-autofill-control in favor of AutofillMonitor.\n                         */\n                        'class': 'mat-input-element mat-form-field-autofill-control',\n                        '[class.mat-input-server]': '_isServer',\n                        // Native input properties that are overwritten by Angular inputs need to be synced with\n                        // the native input element. Otherwise property bindings for those don't work.\n                        '[attr.id]': 'id',\n                        '[attr.placeholder]': 'placeholder',\n                        '[disabled]': 'disabled',\n                        '[required]': 'required',\n                        '[attr.readonly]': 'readonly && !_isNativeSelect || null',\n                        '[attr.aria-describedby]': '_ariaDescribedby || null',\n                        '[attr.aria-invalid]': 'errorState',\n                        '[attr.aria-required]': 'required.toString()',\n                        '(blur)': '_focusChanged(false)',\n                        '(focus)': '_focusChanged(true)',\n                        '(input)': '_onInput()',\n                    },\n                    providers: [{ provide: MatFormFieldControl, useExisting: MatInput }],\n                },] }\n    ];\n    /** @nocollapse */\n    MatInput.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: Platform },\n        { type: NgControl, decorators: [{ type: Optional }, { type: Self }] },\n        { type: NgForm, decorators: [{ type: Optional }] },\n        { type: FormGroupDirective, decorators: [{ type: Optional }] },\n        { type: ErrorStateMatcher },\n        { type: undefined, decorators: [{ type: Optional }, { type: Self }, { type: Inject, args: [MAT_INPUT_VALUE_ACCESSOR,] }] },\n        { type: AutofillMonitor },\n        { type: NgZone }\n    ]; };\n    MatInput.propDecorators = {\n        disabled: [{ type: Input }],\n        id: [{ type: Input }],\n        placeholder: [{ type: Input }],\n        required: [{ type: Input }],\n        type: [{ type: Input }],\n        errorStateMatcher: [{ type: Input }],\n        value: [{ type: Input }],\n        readonly: [{ type: Input }]\n    };\n    return MatInput;\n}(_MatInputMixinBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatInputModule = /** @class */ (function () {\n    function MatInputModule() {\n    }\n    MatInputModule.decorators = [\n        { type: NgModule, args: [{\n                    declarations: [MatInput, MatTextareaAutosize],\n                    imports: [\n                        CommonModule,\n                        TextFieldModule,\n                        MatFormFieldModule,\n                    ],\n                    exports: [\n                        TextFieldModule,\n                        // We re-export the `MatFormFieldModule` since `MatInput` will almost always\n                        // be used together with `MatFormField`.\n                        MatFormFieldModule,\n                        MatInput,\n                        MatTextareaAutosize,\n                    ],\n                    providers: [ErrorStateMatcher],\n                },] }\n    ];\n    return MatInputModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MAT_INPUT_VALUE_ACCESSOR, MatInput, MatInputModule, MatTextareaAutosize, getMatInputUnsupportedTypeError };\n","import { __extends } from \"tslib\";\nimport { parseRichText, parsePlainText } from './helper/parseText';\nimport TSpan from './TSpan';\nimport { retrieve2, isString, each, normalizeCssArray, trim, retrieve3, extend, keys, defaults } from '../core/util';\nimport { DEFAULT_FONT, adjustTextX, adjustTextY } from '../contain/text';\nimport ZRImage from './Image';\nimport Rect from './shape/Rect';\nimport BoundingRect from '../core/BoundingRect';\nimport { copy } from '../core/matrix';\nimport Displayable, { DEFAULT_COMMON_ANIMATION_PROPS } from './Displayable';\nvar DEFAULT_RICH_TEXT_COLOR = {\n    fill: '#000'\n};\nvar DEFAULT_STROKE_LINE_WIDTH = 2;\nexport var DEFAULT_TEXT_ANIMATION_PROPS = {\n    style: defaults({\n        fill: true,\n        stroke: true,\n        fillOpacity: true,\n        strokeOpacity: true,\n        lineWidth: true,\n        fontSize: true,\n        lineHeight: true,\n        width: true,\n        height: true,\n        textShadowColor: true,\n        textShadowBlur: true,\n        textShadowOffsetX: true,\n        textShadowOffsetY: true,\n        backgroundColor: true,\n        padding: true,\n        borderColor: true,\n        borderWidth: true,\n        borderRadius: true\n    }, DEFAULT_COMMON_ANIMATION_PROPS.style)\n};\nvar ZRText = (function (_super) {\n    __extends(ZRText, _super);\n    function ZRText(opts) {\n        var _this = _super.call(this) || this;\n        _this.type = 'text';\n        _this._children = [];\n        _this._defaultStyle = DEFAULT_RICH_TEXT_COLOR;\n        _this.attr(opts);\n        return _this;\n    }\n    ZRText.prototype.childrenRef = function () {\n        return this._children;\n    };\n    ZRText.prototype.update = function () {\n        if (this.styleChanged()) {\n            this._updateSubTexts();\n        }\n        for (var i = 0; i < this._children.length; i++) {\n            var child = this._children[i];\n            child.zlevel = this.zlevel;\n            child.z = this.z;\n            child.z2 = this.z2;\n            child.culling = this.culling;\n            child.cursor = this.cursor;\n            child.invisible = this.invisible;\n        }\n        var attachedTransform = this.attachedTransform;\n        if (attachedTransform) {\n            attachedTransform.updateTransform();\n            var m = attachedTransform.transform;\n            if (m) {\n                this.transform = this.transform || [];\n                copy(this.transform, m);\n            }\n            else {\n                this.transform = null;\n            }\n        }\n        else {\n            _super.prototype.update.call(this);\n        }\n    };\n    ZRText.prototype.getComputedTransform = function () {\n        if (this.__hostTarget) {\n            this.__hostTarget.getComputedTransform();\n            this.__hostTarget.updateInnerText(true);\n        }\n        return this.attachedTransform ? this.attachedTransform.getComputedTransform()\n            : _super.prototype.getComputedTransform.call(this);\n    };\n    ZRText.prototype._updateSubTexts = function () {\n        this._childCursor = 0;\n        normalizeTextStyle(this.style);\n        this.style.rich\n            ? this._updateRichTexts()\n            : this._updatePlainTexts();\n        this._children.length = this._childCursor;\n        this.styleUpdated();\n    };\n    ZRText.prototype.addSelfToZr = function (zr) {\n        _super.prototype.addSelfToZr.call(this, zr);\n        for (var i = 0; i < this._children.length; i++) {\n            this._children[i].__zr = zr;\n        }\n    };\n    ZRText.prototype.removeSelfFromZr = function (zr) {\n        _super.prototype.removeSelfFromZr.call(this, zr);\n        for (var i = 0; i < this._children.length; i++) {\n            this._children[i].__zr = null;\n        }\n    };\n    ZRText.prototype.getBoundingRect = function () {\n        if (this.styleChanged()) {\n            this._updateSubTexts();\n        }\n        if (!this._rect) {\n            var tmpRect = new BoundingRect(0, 0, 0, 0);\n            var children = this._children;\n            var tmpMat = [];\n            var rect = null;\n            for (var i = 0; i < children.length; i++) {\n                var child = children[i];\n                var childRect = child.getBoundingRect();\n                var transform = child.getLocalTransform(tmpMat);\n                if (transform) {\n                    tmpRect.copy(childRect);\n                    tmpRect.applyTransform(transform);\n                    rect = rect || tmpRect.clone();\n                    rect.union(tmpRect);\n                }\n                else {\n                    rect = rect || childRect.clone();\n                    rect.union(childRect);\n                }\n            }\n            this._rect = rect || tmpRect;\n        }\n        return this._rect;\n    };\n    ZRText.prototype.setDefaultTextStyle = function (defaultTextStyle) {\n        this._defaultStyle = defaultTextStyle || DEFAULT_RICH_TEXT_COLOR;\n    };\n    ZRText.prototype.setTextContent = function (textContent) {\n        throw new Error('Can\\'t attach text on another text');\n    };\n    ZRText.prototype._mergeStyle = function (targetStyle, sourceStyle) {\n        if (!sourceStyle) {\n            return targetStyle;\n        }\n        var sourceRich = sourceStyle.rich;\n        var targetRich = targetStyle.rich || (sourceRich && {});\n        extend(targetStyle, sourceStyle);\n        if (sourceRich && targetRich) {\n            this._mergeRich(targetRich, sourceRich);\n            targetStyle.rich = targetRich;\n        }\n        else if (targetRich) {\n            targetStyle.rich = targetRich;\n        }\n        return targetStyle;\n    };\n    ZRText.prototype._mergeRich = function (targetRich, sourceRich) {\n        var richNames = keys(sourceRich);\n        for (var i = 0; i < richNames.length; i++) {\n            var richName = richNames[i];\n            targetRich[richName] = targetRich[richName] || {};\n            extend(targetRich[richName], sourceRich[richName]);\n        }\n    };\n    ZRText.prototype.getAnimationStyleProps = function () {\n        return DEFAULT_TEXT_ANIMATION_PROPS;\n    };\n    ZRText.prototype._getOrCreateChild = function (Ctor) {\n        var child = this._children[this._childCursor];\n        if (!child || !(child instanceof Ctor)) {\n            child = new Ctor();\n        }\n        this._children[this._childCursor++] = child;\n        child.__zr = this.__zr;\n        child.parent = this;\n        return child;\n    };\n    ZRText.prototype._updatePlainTexts = function () {\n        var style = this.style;\n        var textFont = style.font || DEFAULT_FONT;\n        var textPadding = style.padding;\n        var text = getStyleText(style);\n        var contentBlock = parsePlainText(text, style);\n        var needDrawBg = needDrawBackground(style);\n        var bgColorDrawn = !!(style.backgroundColor);\n        var outerHeight = contentBlock.outerHeight;\n        var textLines = contentBlock.lines;\n        var lineHeight = contentBlock.lineHeight;\n        var defaultStyle = this._defaultStyle;\n        var baseX = style.x || 0;\n        var baseY = style.y || 0;\n        var textAlign = style.align || defaultStyle.align || 'left';\n        var verticalAlign = style.verticalAlign || defaultStyle.verticalAlign || 'top';\n        var textX = baseX;\n        var textY = adjustTextY(baseY, contentBlock.contentHeight, verticalAlign);\n        if (needDrawBg || textPadding) {\n            var outerWidth_1 = contentBlock.width;\n            textPadding && (outerWidth_1 += textPadding[1] + textPadding[3]);\n            var boxX = adjustTextX(baseX, outerWidth_1, textAlign);\n            var boxY = adjustTextY(baseY, outerHeight, verticalAlign);\n            needDrawBg && this._renderBackground(style, style, boxX, boxY, outerWidth_1, outerHeight);\n        }\n        textY += lineHeight / 2;\n        if (textPadding) {\n            textX = getTextXForPadding(baseX, textAlign, textPadding);\n            if (verticalAlign === 'top') {\n                textY += textPadding[0];\n            }\n            else if (verticalAlign === 'bottom') {\n                textY -= textPadding[2];\n            }\n        }\n        var defaultLineWidth = 0;\n        var useDefaultFill = false;\n        var textFill = getFill('fill' in style\n            ? style.fill\n            : (useDefaultFill = true, defaultStyle.fill));\n        var textStroke = getStroke('stroke' in style\n            ? style.stroke\n            : (!bgColorDrawn\n                && (!defaultStyle.autoStroke || useDefaultFill))\n                ? (defaultLineWidth = DEFAULT_STROKE_LINE_WIDTH, defaultStyle.stroke)\n                : null);\n        var hasShadow = style.textShadowBlur > 0;\n        var fixedBoundingRect = style.width != null\n            && (style.overflow === 'truncate' || style.overflow === 'break' || style.overflow === 'breakAll');\n        var calculatedLineHeight = contentBlock.calculatedLineHeight;\n        for (var i = 0; i < textLines.length; i++) {\n            var el = this._getOrCreateChild(TSpan);\n            var subElStyle = el.createStyle();\n            el.useStyle(subElStyle);\n            subElStyle.text = textLines[i];\n            subElStyle.x = textX;\n            subElStyle.y = textY;\n            if (textAlign) {\n                subElStyle.textAlign = textAlign;\n            }\n            subElStyle.textBaseline = 'middle';\n            subElStyle.opacity = style.opacity;\n            subElStyle.strokeFirst = true;\n            if (hasShadow) {\n                subElStyle.shadowBlur = style.textShadowBlur || 0;\n                subElStyle.shadowColor = style.textShadowColor || 'transparent';\n                subElStyle.shadowOffsetX = style.textShadowOffsetX || 0;\n                subElStyle.shadowOffsetY = style.textShadowOffsetY || 0;\n            }\n            if (textStroke) {\n                subElStyle.stroke = textStroke;\n                subElStyle.lineWidth = style.lineWidth || defaultLineWidth;\n                subElStyle.lineDash = style.lineDash;\n                subElStyle.lineDashOffset = style.lineDashOffset || 0;\n            }\n            if (textFill) {\n                subElStyle.fill = textFill;\n            }\n            subElStyle.font = textFont;\n            textY += lineHeight;\n            if (fixedBoundingRect) {\n                el.setBoundingRect(new BoundingRect(adjustTextX(subElStyle.x, style.width, subElStyle.textAlign), adjustTextY(subElStyle.y, calculatedLineHeight, subElStyle.textBaseline), style.width, calculatedLineHeight));\n            }\n        }\n    };\n    ZRText.prototype._updateRichTexts = function () {\n        var style = this.style;\n        var text = getStyleText(style);\n        var contentBlock = parseRichText(text, style);\n        var contentWidth = contentBlock.width;\n        var outerWidth = contentBlock.outerWidth;\n        var outerHeight = contentBlock.outerHeight;\n        var textPadding = style.padding;\n        var baseX = style.x || 0;\n        var baseY = style.y || 0;\n        var defaultStyle = this._defaultStyle;\n        var textAlign = style.align || defaultStyle.align;\n        var verticalAlign = style.verticalAlign || defaultStyle.verticalAlign;\n        var boxX = adjustTextX(baseX, outerWidth, textAlign);\n        var boxY = adjustTextY(baseY, outerHeight, verticalAlign);\n        var xLeft = boxX;\n        var lineTop = boxY;\n        if (textPadding) {\n            xLeft += textPadding[3];\n            lineTop += textPadding[0];\n        }\n        var xRight = xLeft + contentWidth;\n        if (needDrawBackground(style)) {\n            this._renderBackground(style, style, boxX, boxY, outerWidth, outerHeight);\n        }\n        var bgColorDrawn = !!(style.backgroundColor);\n        for (var i = 0; i < contentBlock.lines.length; i++) {\n            var line = contentBlock.lines[i];\n            var tokens = line.tokens;\n            var tokenCount = tokens.length;\n            var lineHeight = line.lineHeight;\n            var remainedWidth = line.width;\n            var leftIndex = 0;\n            var lineXLeft = xLeft;\n            var lineXRight = xRight;\n            var rightIndex = tokenCount - 1;\n            var token = void 0;\n            while (leftIndex < tokenCount\n                && (token = tokens[leftIndex], !token.align || token.align === 'left')) {\n                this._placeToken(token, style, lineHeight, lineTop, lineXLeft, 'left', bgColorDrawn);\n                remainedWidth -= token.width;\n                lineXLeft += token.width;\n                leftIndex++;\n            }\n            while (rightIndex >= 0\n                && (token = tokens[rightIndex], token.align === 'right')) {\n                this._placeToken(token, style, lineHeight, lineTop, lineXRight, 'right', bgColorDrawn);\n                remainedWidth -= token.width;\n                lineXRight -= token.width;\n                rightIndex--;\n            }\n            lineXLeft += (contentWidth - (lineXLeft - xLeft) - (xRight - lineXRight) - remainedWidth) / 2;\n            while (leftIndex <= rightIndex) {\n                token = tokens[leftIndex];\n                this._placeToken(token, style, lineHeight, lineTop, lineXLeft + token.width / 2, 'center', bgColorDrawn);\n                lineXLeft += token.width;\n                leftIndex++;\n            }\n            lineTop += lineHeight;\n        }\n    };\n    ZRText.prototype._placeToken = function (token, style, lineHeight, lineTop, x, textAlign, parentBgColorDrawn) {\n        var tokenStyle = style.rich[token.styleName] || {};\n        tokenStyle.text = token.text;\n        var verticalAlign = token.verticalAlign;\n        var y = lineTop + lineHeight / 2;\n        if (verticalAlign === 'top') {\n            y = lineTop + token.height / 2;\n        }\n        else if (verticalAlign === 'bottom') {\n            y = lineTop + lineHeight - token.height / 2;\n        }\n        var needDrawBg = !token.isLineHolder && needDrawBackground(tokenStyle);\n        needDrawBg && this._renderBackground(tokenStyle, style, textAlign === 'right'\n            ? x - token.width\n            : textAlign === 'center'\n                ? x - token.width / 2\n                : x, y - token.height / 2, token.width, token.height);\n        var bgColorDrawn = !!tokenStyle.backgroundColor;\n        var textPadding = token.textPadding;\n        if (textPadding) {\n            x = getTextXForPadding(x, textAlign, textPadding);\n            y -= token.height / 2 - textPadding[0] - token.innerHeight / 2;\n        }\n        var el = this._getOrCreateChild(TSpan);\n        var subElStyle = el.createStyle();\n        el.useStyle(subElStyle);\n        var defaultStyle = this._defaultStyle;\n        var useDefaultFill = false;\n        var defaultLineWidth = 0;\n        var textFill = getStroke('fill' in tokenStyle ? tokenStyle.fill\n            : 'fill' in style ? style.fill\n                : (useDefaultFill = true, defaultStyle.fill));\n        var textStroke = getStroke('stroke' in tokenStyle ? tokenStyle.stroke\n            : 'stroke' in style ? style.stroke\n                : (!bgColorDrawn\n                    && !parentBgColorDrawn\n                    && (!defaultStyle.autoStroke || useDefaultFill)) ? (defaultLineWidth = DEFAULT_STROKE_LINE_WIDTH, defaultStyle.stroke)\n                    : null);\n        var hasShadow = tokenStyle.textShadowBlur > 0\n            || style.textShadowBlur > 0;\n        subElStyle.text = token.text;\n        subElStyle.x = x;\n        subElStyle.y = y;\n        if (hasShadow) {\n            subElStyle.shadowBlur = tokenStyle.textShadowBlur || style.textShadowBlur || 0;\n            subElStyle.shadowColor = tokenStyle.textShadowColor || style.textShadowColor || 'transparent';\n            subElStyle.shadowOffsetX = tokenStyle.textShadowOffsetX || style.textShadowOffsetX || 0;\n            subElStyle.shadowOffsetY = tokenStyle.textShadowOffsetY || style.textShadowOffsetY || 0;\n        }\n        subElStyle.textAlign = textAlign;\n        subElStyle.textBaseline = 'middle';\n        subElStyle.font = token.font || DEFAULT_FONT;\n        subElStyle.opacity = retrieve3(tokenStyle.opacity, style.opacity, 1);\n        if (textStroke) {\n            subElStyle.lineWidth = retrieve3(tokenStyle.lineWidth, style.lineWidth, defaultLineWidth);\n            subElStyle.lineDash = retrieve2(tokenStyle.lineDash, style.lineDash);\n            subElStyle.lineDashOffset = style.lineDashOffset || 0;\n            subElStyle.stroke = textStroke;\n        }\n        if (textFill) {\n            subElStyle.fill = textFill;\n        }\n        var textWidth = token.contentWidth;\n        var textHeight = token.contentHeight;\n        el.setBoundingRect(new BoundingRect(adjustTextX(subElStyle.x, textWidth, subElStyle.textAlign), adjustTextY(subElStyle.y, textHeight, subElStyle.textBaseline), textWidth, textHeight));\n    };\n    ZRText.prototype._renderBackground = function (style, topStyle, x, y, width, height) {\n        var textBackgroundColor = style.backgroundColor;\n        var textBorderWidth = style.borderWidth;\n        var textBorderColor = style.borderColor;\n        var isPlainBg = isString(textBackgroundColor);\n        var textBorderRadius = style.borderRadius;\n        var self = this;\n        var rectEl;\n        var imgEl;\n        if (isPlainBg || (textBorderWidth && textBorderColor)) {\n            rectEl = this._getOrCreateChild(Rect);\n            rectEl.useStyle(rectEl.createStyle());\n            rectEl.style.fill = null;\n            var rectShape = rectEl.shape;\n            rectShape.x = x;\n            rectShape.y = y;\n            rectShape.width = width;\n            rectShape.height = height;\n            rectShape.r = textBorderRadius;\n            rectEl.dirtyShape();\n        }\n        if (isPlainBg) {\n            var rectStyle = rectEl.style;\n            rectStyle.fill = textBackgroundColor || null;\n            rectStyle.fillOpacity = retrieve2(style.fillOpacity, 1);\n        }\n        else if (textBackgroundColor && textBackgroundColor.image) {\n            imgEl = this._getOrCreateChild(ZRImage);\n            imgEl.onload = function () {\n                self.dirtyStyle();\n            };\n            var imgStyle = imgEl.style;\n            imgStyle.image = textBackgroundColor.image;\n            imgStyle.x = x;\n            imgStyle.y = y;\n            imgStyle.width = width;\n            imgStyle.height = height;\n        }\n        if (textBorderWidth && textBorderColor) {\n            var rectStyle = rectEl.style;\n            rectStyle.lineWidth = textBorderWidth;\n            rectStyle.stroke = textBorderColor;\n            rectStyle.strokeOpacity = retrieve2(style.strokeOpacity, 1);\n            rectStyle.lineDash = style.borderDash;\n            rectStyle.lineDashOffset = style.borderDashOffset || 0;\n            rectEl.strokeContainThreshold = 0;\n            if (rectEl.hasFill() && rectEl.hasStroke()) {\n                rectStyle.strokeFirst = true;\n                rectStyle.lineWidth *= 2;\n            }\n        }\n        var commonStyle = (rectEl || imgEl).style;\n        commonStyle.shadowBlur = style.shadowBlur || 0;\n        commonStyle.shadowColor = style.shadowColor || 'transparent';\n        commonStyle.shadowOffsetX = style.shadowOffsetX || 0;\n        commonStyle.shadowOffsetY = style.shadowOffsetY || 0;\n        commonStyle.opacity = retrieve3(style.opacity, topStyle.opacity, 1);\n    };\n    ZRText.makeFont = function (style) {\n        var font = '';\n        if (style.fontSize || style.fontFamily || style.fontWeight) {\n            var fontSize = '';\n            if (typeof style.fontSize === 'string'\n                && (style.fontSize.indexOf('px') !== -1\n                    || style.fontSize.indexOf('rem') !== -1\n                    || style.fontSize.indexOf('em') !== -1)) {\n                fontSize = style.fontSize;\n            }\n            else if (!isNaN(+style.fontSize)) {\n                fontSize = style.fontSize + 'px';\n            }\n            else {\n                fontSize = '12px';\n            }\n            font = [\n                style.fontStyle,\n                style.fontWeight,\n                fontSize,\n                style.fontFamily || 'sans-serif'\n            ].join(' ');\n        }\n        return font && trim(font) || style.textFont || style.font;\n    };\n    return ZRText;\n}(Displayable));\nvar VALID_TEXT_ALIGN = { left: true, right: 1, center: 1 };\nvar VALID_TEXT_VERTICAL_ALIGN = { top: 1, bottom: 1, middle: 1 };\nexport function normalizeTextStyle(style) {\n    normalizeStyle(style);\n    each(style.rich, normalizeStyle);\n    return style;\n}\nfunction normalizeStyle(style) {\n    if (style) {\n        style.font = ZRText.makeFont(style);\n        var textAlign = style.align;\n        textAlign === 'middle' && (textAlign = 'center');\n        style.align = (textAlign == null || VALID_TEXT_ALIGN[textAlign]) ? textAlign : 'left';\n        var verticalAlign = style.verticalAlign;\n        verticalAlign === 'center' && (verticalAlign = 'middle');\n        style.verticalAlign = (verticalAlign == null || VALID_TEXT_VERTICAL_ALIGN[verticalAlign]) ? verticalAlign : 'top';\n        var textPadding = style.padding;\n        if (textPadding) {\n            style.padding = normalizeCssArray(style.padding);\n        }\n    }\n}\nfunction getStroke(stroke, lineWidth) {\n    return (stroke == null || lineWidth <= 0 || stroke === 'transparent' || stroke === 'none')\n        ? null\n        : (stroke.image || stroke.colorStops)\n            ? '#000'\n            : stroke;\n}\nfunction getFill(fill) {\n    return (fill == null || fill === 'none')\n        ? null\n        : (fill.image || fill.colorStops)\n            ? '#000'\n            : fill;\n}\nfunction getTextXForPadding(x, textAlign, textPadding) {\n    return textAlign === 'right'\n        ? (x - textPadding[1])\n        : textAlign === 'center'\n            ? (x + textPadding[3] / 2 - textPadding[1] / 2)\n            : (x + textPadding[3]);\n}\nfunction getStyleText(style) {\n    var text = style.text;\n    text != null && (text += '');\n    return text;\n}\nfunction needDrawBackground(style) {\n    return !!(style.backgroundColor\n        || (style.borderWidth && style.borderColor));\n}\nexport default ZRText;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport ZRText from 'zrender/lib/graphic/Text';\nimport { isFunction, retrieve2, extend, keys, trim } from 'zrender/lib/core/util';\nimport { SPECIAL_STATES, DISPLAY_STATES } from '../util/states';\nimport { deprecateReplaceLog } from '../util/log';\nimport { makeInner, interpolateRawValues } from '../util/model';\nimport { initProps, updateProps } from '../util/graphic';\nimport { getECData } from '../util/innerStore';\nvar EMPTY_OBJ = {};\nexport function setLabelText(label, labelTexts) {\n  for (var i = 0; i < SPECIAL_STATES.length; i++) {\n    var stateName = SPECIAL_STATES[i];\n    var text = labelTexts[stateName];\n    var state = label.ensureState(stateName);\n    state.style = state.style || {};\n    state.style.text = text;\n  }\n\n  var oldStates = label.currentStates.slice();\n  label.clearStates(true);\n  label.setStyle({\n    text: labelTexts.normal\n  });\n  label.useStates(oldStates, true);\n}\n\nfunction getLabelText(opt, stateModels, interpolatedValue) {\n  var labelFetcher = opt.labelFetcher;\n  var labelDataIndex = opt.labelDataIndex;\n  var labelDimIndex = opt.labelDimIndex;\n  var normalModel = stateModels.normal;\n  var baseText;\n\n  if (labelFetcher) {\n    baseText = labelFetcher.getFormattedLabel(labelDataIndex, 'normal', null, labelDimIndex, normalModel && normalModel.get('formatter'), interpolatedValue != null ? {\n      interpolatedValue: interpolatedValue\n    } : null);\n  }\n\n  if (baseText == null) {\n    baseText = isFunction(opt.defaultText) ? opt.defaultText(labelDataIndex, opt, interpolatedValue) : opt.defaultText;\n  }\n\n  var statesText = {\n    normal: baseText\n  };\n\n  for (var i = 0; i < SPECIAL_STATES.length; i++) {\n    var stateName = SPECIAL_STATES[i];\n    var stateModel = stateModels[stateName];\n    statesText[stateName] = retrieve2(labelFetcher ? labelFetcher.getFormattedLabel(labelDataIndex, stateName, null, labelDimIndex, stateModel && stateModel.get('formatter')) : null, baseText);\n  }\n\n  return statesText;\n}\n\nfunction setLabelStyle(targetEl, labelStatesModels, opt, stateSpecified // TODO specified position?\n) {\n  opt = opt || EMPTY_OBJ;\n  var isSetOnText = targetEl instanceof ZRText;\n  var needsCreateText = false;\n\n  for (var i = 0; i < DISPLAY_STATES.length; i++) {\n    var stateModel = labelStatesModels[DISPLAY_STATES[i]];\n\n    if (stateModel && stateModel.getShallow('show')) {\n      needsCreateText = true;\n      break;\n    }\n  }\n\n  var textContent = isSetOnText ? targetEl : targetEl.getTextContent();\n\n  if (needsCreateText) {\n    if (!isSetOnText) {\n      // Reuse the previous\n      if (!textContent) {\n        textContent = new ZRText();\n        targetEl.setTextContent(textContent);\n      } // Use same state proxy\n\n\n      if (targetEl.stateProxy) {\n        textContent.stateProxy = targetEl.stateProxy;\n      }\n    }\n\n    var labelStatesTexts = getLabelText(opt, labelStatesModels);\n    var normalModel = labelStatesModels.normal;\n    var showNormal = !!normalModel.getShallow('show');\n    var normalStyle = createTextStyle(normalModel, stateSpecified && stateSpecified.normal, opt, false, !isSetOnText);\n    normalStyle.text = labelStatesTexts.normal;\n\n    if (!isSetOnText) {\n      // Always create new\n      targetEl.setTextConfig(createTextConfig(normalModel, opt, false));\n    }\n\n    for (var i = 0; i < SPECIAL_STATES.length; i++) {\n      var stateName = SPECIAL_STATES[i];\n      var stateModel = labelStatesModels[stateName];\n\n      if (stateModel) {\n        var stateObj = textContent.ensureState(stateName);\n        var stateShow = !!retrieve2(stateModel.getShallow('show'), showNormal);\n\n        if (stateShow !== showNormal) {\n          stateObj.ignore = !stateShow;\n        }\n\n        stateObj.style = createTextStyle(stateModel, stateSpecified && stateSpecified[stateName], opt, true, !isSetOnText);\n        stateObj.style.text = labelStatesTexts[stateName];\n\n        if (!isSetOnText) {\n          var targetElEmphasisState = targetEl.ensureState(stateName);\n          targetElEmphasisState.textConfig = createTextConfig(stateModel, opt, true);\n        }\n      }\n    } // PENDING: if there is many requirements that emphasis position\n    // need to be different from normal position, we might consider\n    // auto slient is those cases.\n\n\n    textContent.silent = !!normalModel.getShallow('silent'); // Keep x and y\n\n    if (textContent.style.x != null) {\n      normalStyle.x = textContent.style.x;\n    }\n\n    if (textContent.style.y != null) {\n      normalStyle.y = textContent.style.y;\n    }\n\n    textContent.ignore = !showNormal; // Always create new style.\n\n    textContent.useStyle(normalStyle);\n    textContent.dirty();\n\n    if (opt.enableTextSetter) {\n      labelInner(textContent).setLabelText = function (interpolatedValue) {\n        var labelStatesTexts = getLabelText(opt, labelStatesModels, interpolatedValue);\n        setLabelText(textContent, labelStatesTexts);\n      };\n    }\n  } else if (textContent) {\n    // Not display rich text.\n    textContent.ignore = true;\n  }\n\n  targetEl.dirty();\n}\n\nexport { setLabelStyle };\nexport function getLabelStatesModels(itemModel, labelName) {\n  labelName = labelName || 'label';\n  var statesModels = {\n    normal: itemModel.getModel(labelName)\n  };\n\n  for (var i = 0; i < SPECIAL_STATES.length; i++) {\n    var stateName = SPECIAL_STATES[i];\n    statesModels[stateName] = itemModel.getModel([stateName, labelName]);\n  }\n\n  return statesModels;\n}\n/**\n * Set basic textStyle properties.\n */\n\nexport function createTextStyle(textStyleModel, specifiedTextStyle, // Fixed style in the code. Can't be set by model.\nopt, isNotNormal, isAttached // If text is attached on an element. If so, auto color will handling in zrender.\n) {\n  var textStyle = {};\n  setTextStyleCommon(textStyle, textStyleModel, opt, isNotNormal, isAttached);\n  specifiedTextStyle && extend(textStyle, specifiedTextStyle); // textStyle.host && textStyle.host.dirty && textStyle.host.dirty(false);\n\n  return textStyle;\n}\nexport function createTextConfig(textStyleModel, opt, isNotNormal) {\n  opt = opt || {};\n  var textConfig = {};\n  var labelPosition;\n  var labelRotate = textStyleModel.getShallow('rotate');\n  var labelDistance = retrieve2(textStyleModel.getShallow('distance'), isNotNormal ? null : 5);\n  var labelOffset = textStyleModel.getShallow('offset');\n  labelPosition = textStyleModel.getShallow('position') || (isNotNormal ? null : 'inside'); // 'outside' is not a valid zr textPostion value, but used\n  // in bar series, and magric type should be considered.\n\n  labelPosition === 'outside' && (labelPosition = opt.defaultOutsidePosition || 'top');\n\n  if (labelPosition != null) {\n    textConfig.position = labelPosition;\n  }\n\n  if (labelOffset != null) {\n    textConfig.offset = labelOffset;\n  }\n\n  if (labelRotate != null) {\n    labelRotate *= Math.PI / 180;\n    textConfig.rotation = labelRotate;\n  }\n\n  if (labelDistance != null) {\n    textConfig.distance = labelDistance;\n  } // fill and auto is determined by the color of path fill if it's not specified by developers.\n\n\n  textConfig.outsideFill = textStyleModel.get('color') === 'inherit' ? opt.inheritColor || null : 'auto';\n  return textConfig;\n}\n/**\n * The uniform entry of set text style, that is, retrieve style definitions\n * from `model` and set to `textStyle` object.\n *\n * Never in merge mode, but in overwrite mode, that is, all of the text style\n * properties will be set. (Consider the states of normal and emphasis and\n * default value can be adopted, merge would make the logic too complicated\n * to manage.)\n */\n\nfunction setTextStyleCommon(textStyle, textStyleModel, opt, isNotNormal, isAttached) {\n  // Consider there will be abnormal when merge hover style to normal style if given default value.\n  opt = opt || EMPTY_OBJ;\n  var ecModel = textStyleModel.ecModel;\n  var globalTextStyle = ecModel && ecModel.option.textStyle; // Consider case:\n  // {\n  //     data: [{\n  //         value: 12,\n  //         label: {\n  //             rich: {\n  //                 // no 'a' here but using parent 'a'.\n  //             }\n  //         }\n  //     }],\n  //     rich: {\n  //         a: { ... }\n  //     }\n  // }\n\n  var richItemNames = getRichItemNames(textStyleModel);\n  var richResult;\n\n  if (richItemNames) {\n    richResult = {};\n\n    for (var name_1 in richItemNames) {\n      if (richItemNames.hasOwnProperty(name_1)) {\n        // Cascade is supported in rich.\n        var richTextStyle = textStyleModel.getModel(['rich', name_1]); // In rich, never `disableBox`.\n        // FIXME: consider `label: {formatter: '{a|xx}', color: 'blue', rich: {a: {}}}`,\n        // the default color `'blue'` will not be adopted if no color declared in `rich`.\n        // That might confuses users. So probably we should put `textStyleModel` as the\n        // root ancestor of the `richTextStyle`. But that would be a break change.\n\n        setTokenTextStyle(richResult[name_1] = {}, richTextStyle, globalTextStyle, opt, isNotNormal, isAttached, false, true);\n      }\n    }\n  }\n\n  if (richResult) {\n    textStyle.rich = richResult;\n  }\n\n  var overflow = textStyleModel.get('overflow');\n\n  if (overflow) {\n    textStyle.overflow = overflow;\n  }\n\n  var margin = textStyleModel.get('minMargin');\n\n  if (margin != null) {\n    textStyle.margin = margin;\n  }\n\n  setTokenTextStyle(textStyle, textStyleModel, globalTextStyle, opt, isNotNormal, isAttached, true, false);\n} // Consider case:\n// {\n//     data: [{\n//         value: 12,\n//         label: {\n//             rich: {\n//                 // no 'a' here but using parent 'a'.\n//             }\n//         }\n//     }],\n//     rich: {\n//         a: { ... }\n//     }\n// }\n// TODO TextStyleModel\n\n\nfunction getRichItemNames(textStyleModel) {\n  // Use object to remove duplicated names.\n  var richItemNameMap;\n\n  while (textStyleModel && textStyleModel !== textStyleModel.ecModel) {\n    var rich = (textStyleModel.option || EMPTY_OBJ).rich;\n\n    if (rich) {\n      richItemNameMap = richItemNameMap || {};\n      var richKeys = keys(rich);\n\n      for (var i = 0; i < richKeys.length; i++) {\n        var richKey = richKeys[i];\n        richItemNameMap[richKey] = 1;\n      }\n    }\n\n    textStyleModel = textStyleModel.parentModel;\n  }\n\n  return richItemNameMap;\n}\n\nvar TEXT_PROPS_WITH_GLOBAL = ['fontStyle', 'fontWeight', 'fontSize', 'fontFamily', 'textShadowColor', 'textShadowBlur', 'textShadowOffsetX', 'textShadowOffsetY'];\nvar TEXT_PROPS_SELF = ['align', 'lineHeight', 'width', 'height', 'tag', 'verticalAlign'];\nvar TEXT_PROPS_BOX = ['padding', 'borderWidth', 'borderRadius', 'borderDashOffset', 'backgroundColor', 'borderColor', 'shadowColor', 'shadowBlur', 'shadowOffsetX', 'shadowOffsetY'];\n\nfunction setTokenTextStyle(textStyle, textStyleModel, globalTextStyle, opt, isNotNormal, isAttached, isBlock, inRich) {\n  // In merge mode, default value should not be given.\n  globalTextStyle = !isNotNormal && globalTextStyle || EMPTY_OBJ;\n  var inheritColor = opt && opt.inheritColor;\n  var fillColor = textStyleModel.getShallow('color');\n  var strokeColor = textStyleModel.getShallow('textBorderColor');\n  var opacity = retrieve2(textStyleModel.getShallow('opacity'), globalTextStyle.opacity);\n\n  if (fillColor === 'inherit' || fillColor === 'auto') {\n    if (process.env.NODE_ENV !== 'production') {\n      if (fillColor === 'auto') {\n        deprecateReplaceLog('color: \\'auto\\'', 'color: \\'inherit\\'');\n      }\n    }\n\n    if (inheritColor) {\n      fillColor = inheritColor;\n    } else {\n      fillColor = null;\n    }\n  }\n\n  if (strokeColor === 'inherit' || strokeColor === 'auto') {\n    if (process.env.NODE_ENV !== 'production') {\n      if (strokeColor === 'auto') {\n        deprecateReplaceLog('color: \\'auto\\'', 'color: \\'inherit\\'');\n      }\n    }\n\n    if (inheritColor) {\n      strokeColor = inheritColor;\n    } else {\n      strokeColor = null;\n    }\n  }\n\n  if (!isAttached) {\n    // Only use default global textStyle.color if text is individual.\n    // Otherwise it will use the strategy of attached text color because text may be on a path.\n    fillColor = fillColor || globalTextStyle.color;\n    strokeColor = strokeColor || globalTextStyle.textBorderColor;\n  }\n\n  if (fillColor != null) {\n    textStyle.fill = fillColor;\n  }\n\n  if (strokeColor != null) {\n    textStyle.stroke = strokeColor;\n  }\n\n  var textBorderWidth = retrieve2(textStyleModel.getShallow('textBorderWidth'), globalTextStyle.textBorderWidth);\n\n  if (textBorderWidth != null) {\n    textStyle.lineWidth = textBorderWidth;\n  }\n\n  var textBorderType = retrieve2(textStyleModel.getShallow('textBorderType'), globalTextStyle.textBorderType);\n\n  if (textBorderType != null) {\n    textStyle.lineDash = textBorderType;\n  }\n\n  var textBorderDashOffset = retrieve2(textStyleModel.getShallow('textBorderDashOffset'), globalTextStyle.textBorderDashOffset);\n\n  if (textBorderDashOffset != null) {\n    textStyle.lineDashOffset = textBorderDashOffset;\n  }\n\n  if (!isNotNormal && opacity == null && !inRich) {\n    opacity = opt && opt.defaultOpacity;\n  }\n\n  if (opacity != null) {\n    textStyle.opacity = opacity;\n  } // TODO\n\n\n  if (!isNotNormal && !isAttached) {\n    // Set default finally.\n    if (textStyle.fill == null && opt.inheritColor) {\n      textStyle.fill = opt.inheritColor;\n    }\n  } // Do not use `getFont` here, because merge should be supported, where\n  // part of these properties may be changed in emphasis style, and the\n  // others should remain their original value got from normal style.\n\n\n  for (var i = 0; i < TEXT_PROPS_WITH_GLOBAL.length; i++) {\n    var key = TEXT_PROPS_WITH_GLOBAL[i];\n    var val = retrieve2(textStyleModel.getShallow(key), globalTextStyle[key]);\n\n    if (val != null) {\n      textStyle[key] = val;\n    }\n  }\n\n  for (var i = 0; i < TEXT_PROPS_SELF.length; i++) {\n    var key = TEXT_PROPS_SELF[i];\n    var val = textStyleModel.getShallow(key);\n\n    if (val != null) {\n      textStyle[key] = val;\n    }\n  }\n\n  if (textStyle.verticalAlign == null) {\n    var baseline = textStyleModel.getShallow('baseline');\n\n    if (baseline != null) {\n      textStyle.verticalAlign = baseline;\n    }\n  }\n\n  if (!isBlock || !opt.disableBox) {\n    for (var i = 0; i < TEXT_PROPS_BOX.length; i++) {\n      var key = TEXT_PROPS_BOX[i];\n      var val = textStyleModel.getShallow(key);\n\n      if (val != null) {\n        textStyle[key] = val;\n      }\n    }\n\n    var borderType = textStyleModel.getShallow('borderType');\n\n    if (borderType != null) {\n      textStyle.borderDash = borderType;\n    }\n\n    if ((textStyle.backgroundColor === 'auto' || textStyle.backgroundColor === 'inherit') && inheritColor) {\n      if (process.env.NODE_ENV !== 'production') {\n        if (textStyle.backgroundColor === 'auto') {\n          deprecateReplaceLog('backgroundColor: \\'auto\\'', 'backgroundColor: \\'inherit\\'');\n        }\n      }\n\n      textStyle.backgroundColor = inheritColor;\n    }\n\n    if ((textStyle.borderColor === 'auto' || textStyle.borderColor === 'inherit') && inheritColor) {\n      if (process.env.NODE_ENV !== 'production') {\n        if (textStyle.borderColor === 'auto') {\n          deprecateReplaceLog('borderColor: \\'auto\\'', 'borderColor: \\'inherit\\'');\n        }\n      }\n\n      textStyle.borderColor = inheritColor;\n    }\n  }\n}\n\nexport function getFont(opt, ecModel) {\n  var gTextStyleModel = ecModel && ecModel.getModel('textStyle');\n  return trim([// FIXME in node-canvas fontWeight is before fontStyle\n  opt.fontStyle || gTextStyleModel && gTextStyleModel.getShallow('fontStyle') || '', opt.fontWeight || gTextStyleModel && gTextStyleModel.getShallow('fontWeight') || '', (opt.fontSize || gTextStyleModel && gTextStyleModel.getShallow('fontSize') || 12) + 'px', opt.fontFamily || gTextStyleModel && gTextStyleModel.getShallow('fontFamily') || 'sans-serif'].join(' '));\n}\nexport var labelInner = makeInner();\nexport function setLabelValueAnimation(label, labelStatesModels, value, getDefaultText) {\n  if (!label) {\n    return;\n  }\n\n  var obj = labelInner(label);\n  obj.prevValue = obj.value;\n  obj.value = value;\n  var normalLabelModel = labelStatesModels.normal;\n  obj.valueAnimation = normalLabelModel.get('valueAnimation');\n\n  if (obj.valueAnimation) {\n    obj.precision = normalLabelModel.get('precision');\n    obj.defaultInterpolatedText = getDefaultText;\n    obj.statesModels = labelStatesModels;\n  }\n}\nexport function animateLabelValue(textEl, dataIndex, data, animatableModel, labelFetcher) {\n  var labelInnerStore = labelInner(textEl);\n\n  if (!labelInnerStore.valueAnimation) {\n    return;\n  }\n\n  var defaultInterpolatedText = labelInnerStore.defaultInterpolatedText; // Consider the case that being animating, do not use the `obj.value`,\n  // Otherwise it will jump to the `obj.value` when this new animation started.\n\n  var currValue = retrieve2(labelInnerStore.interpolatedValue, labelInnerStore.prevValue);\n  var targetValue = labelInnerStore.value;\n\n  function during(percent) {\n    var interpolated = interpolateRawValues(data, labelInnerStore.precision, currValue, targetValue, percent);\n    labelInnerStore.interpolatedValue = percent === 1 ? null : interpolated;\n    var labelText = getLabelText({\n      labelDataIndex: dataIndex,\n      labelFetcher: labelFetcher,\n      defaultText: defaultInterpolatedText ? defaultInterpolatedText(interpolated) : interpolated + ''\n    }, labelInnerStore.statesModels, interpolated);\n    setLabelText(textEl, labelText);\n  }\n\n  (currValue == null ? initProps : updateProps)(textEl, {}, animatableModel, dataIndex, null, during);\n}\nexport function enableLayoutLayoutFeatures(el, dataIndex, dataType) {\n  getECData(el).dataIndex = dataIndex;\n  getECData(el).dataType = dataType;\n}","import { CommonModule } from '@angular/common';\nimport { Directive, Input, InjectionToken, Component, ViewEncapsulation, ChangeDetectionStrategy, ElementRef, ChangeDetectorRef, Optional, Inject, NgZone, ViewChild, ContentChild, ContentChildren, NgModule } from '@angular/core';\nimport { ObserversModule } from '@angular/cdk/observers';\nimport { __extends, __values } from 'tslib';\nimport { Directionality } from '@angular/cdk/bidi';\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { mixinColor, MAT_LABEL_GLOBAL_OPTIONS } from '@angular/material/core';\nimport { Subject, merge, fromEvent } from 'rxjs';\nimport { startWith, takeUntil, take } from 'rxjs/operators';\nimport { trigger, state, style, transition, animate } from '@angular/animations';\nimport { Platform } from '@angular/cdk/platform';\nimport { ANIMATION_MODULE_TYPE } from '@angular/platform-browser/animations';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar nextUniqueId = 0;\n/** Single error message to be shown underneath the form field. */\nvar MatError = /** @class */ (function () {\n    function MatError() {\n        this.id = \"mat-error-\" + nextUniqueId++;\n    }\n    MatError.decorators = [\n        { type: Directive, args: [{\n                    selector: 'mat-error',\n                    host: {\n                        'class': 'mat-error',\n                        'role': 'alert',\n                        '[attr.id]': 'id',\n                    }\n                },] }\n    ];\n    MatError.propDecorators = {\n        id: [{ type: Input }]\n    };\n    return MatError;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Animations used by the MatFormField.\n * @docs-private\n */\nvar matFormFieldAnimations = {\n    /** Animation that transitions the form field's error and hint messages. */\n    transitionMessages: trigger('transitionMessages', [\n        // TODO(mmalerba): Use angular animations for label animation as well.\n        state('enter', style({ opacity: 1, transform: 'translateY(0%)' })),\n        transition('void => enter', [\n            style({ opacity: 0, transform: 'translateY(-100%)' }),\n            animate('300ms cubic-bezier(0.55, 0, 0.55, 0.2)'),\n        ]),\n    ])\n};\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** An interface which allows a control to work inside of a `MatFormField`. */\nvar MatFormFieldControl = /** @class */ (function () {\n    function MatFormFieldControl() {\n    }\n    MatFormFieldControl.decorators = [\n        { type: Directive }\n    ];\n    return MatFormFieldControl;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** @docs-private */\nfunction getMatFormFieldPlaceholderConflictError() {\n    return Error('Placeholder attribute and child element were both specified.');\n}\n/** @docs-private */\nfunction getMatFormFieldDuplicatedHintError(align) {\n    return Error(\"A hint was already declared for 'align=\\\"\" + align + \"\\\"'.\");\n}\n/** @docs-private */\nfunction getMatFormFieldMissingControlError() {\n    return Error('mat-form-field must contain a MatFormFieldControl.');\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar nextUniqueId$1 = 0;\n/** Hint text to be shown underneath the form field control. */\nvar MatHint = /** @class */ (function () {\n    function MatHint() {\n        /** Whether to align the hint label at the start or end of the line. */\n        this.align = 'start';\n        /** Unique ID for the hint. Used for the aria-describedby on the form field control. */\n        this.id = \"mat-hint-\" + nextUniqueId$1++;\n    }\n    MatHint.decorators = [\n        { type: Directive, args: [{\n                    selector: 'mat-hint',\n                    host: {\n                        'class': 'mat-hint',\n                        '[class.mat-right]': 'align == \"end\"',\n                        '[attr.id]': 'id',\n                        // Remove align attribute to prevent it from interfering with layout.\n                        '[attr.align]': 'null',\n                    }\n                },] }\n    ];\n    MatHint.propDecorators = {\n        align: [{ type: Input }],\n        id: [{ type: Input }]\n    };\n    return MatHint;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** The floating label for a `mat-form-field`. */\nvar MatLabel = /** @class */ (function () {\n    function MatLabel() {\n    }\n    MatLabel.decorators = [\n        { type: Directive, args: [{\n                    selector: 'mat-label'\n                },] }\n    ];\n    return MatLabel;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * The placeholder text for an `MatFormField`.\n * @deprecated Use `<mat-label>` to specify the label and the `placeholder` attribute to specify the\n *     placeholder.\n * @breaking-change 8.0.0\n */\nvar MatPlaceholder = /** @class */ (function () {\n    function MatPlaceholder() {\n    }\n    MatPlaceholder.decorators = [\n        { type: Directive, args: [{\n                    selector: 'mat-placeholder'\n                },] }\n    ];\n    return MatPlaceholder;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Prefix to be placed in front of the form field. */\nvar MatPrefix = /** @class */ (function () {\n    function MatPrefix() {\n    }\n    MatPrefix.decorators = [\n        { type: Directive, args: [{\n                    selector: '[matPrefix]',\n                },] }\n    ];\n    return MatPrefix;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Suffix to be placed at the end of the form field. */\nvar MatSuffix = /** @class */ (function () {\n    function MatSuffix() {\n    }\n    MatSuffix.decorators = [\n        { type: Directive, args: [{\n                    selector: '[matSuffix]',\n                },] }\n    ];\n    return MatSuffix;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar nextUniqueId$2 = 0;\nvar floatingLabelScale = 0.75;\nvar outlineGapPadding = 5;\n/**\n * Boilerplate for applying mixins to MatFormField.\n * @docs-private\n */\nvar MatFormFieldBase = /** @class */ (function () {\n    function MatFormFieldBase(_elementRef) {\n        this._elementRef = _elementRef;\n    }\n    return MatFormFieldBase;\n}());\n/**\n * Base class to which we're applying the form field mixins.\n * @docs-private\n */\nvar _MatFormFieldMixinBase = mixinColor(MatFormFieldBase, 'primary');\n/**\n * Injection token that can be used to configure the\n * default options for all form field within an app.\n */\nvar MAT_FORM_FIELD_DEFAULT_OPTIONS = new InjectionToken('MAT_FORM_FIELD_DEFAULT_OPTIONS');\n/** Container for form controls that applies Material Design styling and behavior. */\nvar MatFormField = /** @class */ (function (_super) {\n    __extends(MatFormField, _super);\n    function MatFormField(_elementRef, _changeDetectorRef, labelOptions, _dir, _defaults, _platform, _ngZone, _animationMode) {\n        var _this = _super.call(this, _elementRef) || this;\n        _this._elementRef = _elementRef;\n        _this._changeDetectorRef = _changeDetectorRef;\n        _this._dir = _dir;\n        _this._defaults = _defaults;\n        _this._platform = _platform;\n        _this._ngZone = _ngZone;\n        /**\n         * Whether the outline gap needs to be calculated\n         * immediately on the next change detection run.\n         */\n        _this._outlineGapCalculationNeededImmediately = false;\n        /** Whether the outline gap needs to be calculated next time the zone has stabilized. */\n        _this._outlineGapCalculationNeededOnStable = false;\n        _this._destroyed = new Subject();\n        /** Override for the logic that disables the label animation in certain cases. */\n        _this._showAlwaysAnimate = false;\n        /** State of the mat-hint and mat-error animations. */\n        _this._subscriptAnimationState = '';\n        _this._hintLabel = '';\n        // Unique id for the hint label.\n        _this._hintLabelId = \"mat-hint-\" + nextUniqueId$2++;\n        // Unique id for the internal form field label.\n        _this._labelId = \"mat-form-field-label-\" + nextUniqueId$2++;\n        _this._labelOptions = labelOptions ? labelOptions : {};\n        _this.floatLabel = _this._labelOptions.float || 'auto';\n        _this._animationsEnabled = _animationMode !== 'NoopAnimations';\n        // Set the default through here so we invoke the setter on the first run.\n        _this.appearance = (_defaults && _defaults.appearance) ? _defaults.appearance : 'legacy';\n        _this._hideRequiredMarker = (_defaults && _defaults.hideRequiredMarker != null) ?\n            _defaults.hideRequiredMarker : false;\n        return _this;\n    }\n    Object.defineProperty(MatFormField.prototype, \"appearance\", {\n        /** The form-field appearance style. */\n        get: function () { return this._appearance; },\n        set: function (value) {\n            var oldValue = this._appearance;\n            this._appearance = value || (this._defaults && this._defaults.appearance) || 'legacy';\n            if (this._appearance === 'outline' && oldValue !== value) {\n                this._outlineGapCalculationNeededOnStable = true;\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatFormField.prototype, \"hideRequiredMarker\", {\n        /** Whether the required marker should be hidden. */\n        get: function () { return this._hideRequiredMarker; },\n        set: function (value) {\n            this._hideRequiredMarker = coerceBooleanProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatFormField.prototype, \"_shouldAlwaysFloat\", {\n        /** Whether the floating label should always float or not. */\n        get: function () {\n            return this.floatLabel === 'always' && !this._showAlwaysAnimate;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatFormField.prototype, \"_canLabelFloat\", {\n        /** Whether the label can float or not. */\n        get: function () { return this.floatLabel !== 'never'; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatFormField.prototype, \"hintLabel\", {\n        /** Text for the form field hint. */\n        get: function () { return this._hintLabel; },\n        set: function (value) {\n            this._hintLabel = value;\n            this._processHints();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatFormField.prototype, \"floatLabel\", {\n        /**\n         * Whether the label should always float, never float or float as the user types.\n         *\n         * Note: only the legacy appearance supports the `never` option. `never` was originally added as a\n         * way to make the floating label emulate the behavior of a standard input placeholder. However\n         * the form field now supports both floating labels and placeholders. Therefore in the non-legacy\n         * appearances the `never` option has been disabled in favor of just using the placeholder.\n         */\n        get: function () {\n            return this.appearance !== 'legacy' && this._floatLabel === 'never' ? 'auto' : this._floatLabel;\n        },\n        set: function (value) {\n            if (value !== this._floatLabel) {\n                this._floatLabel = value || this._labelOptions.float || 'auto';\n                this._changeDetectorRef.markForCheck();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatFormField.prototype, \"_control\", {\n        get: function () {\n            // TODO(crisbeto): we need this hacky workaround in order to support both Ivy\n            // and ViewEngine. We should clean this up once Ivy is the default renderer.\n            return this._explicitFormFieldControl || this._controlNonStatic || this._controlStatic;\n        },\n        set: function (value) {\n            this._explicitFormFieldControl = value;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatFormField.prototype, \"_labelChild\", {\n        get: function () {\n            return this._labelChildNonStatic || this._labelChildStatic;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Gets an ElementRef for the element that a overlay attached to the form-field should be\n     * positioned relative to.\n     */\n    MatFormField.prototype.getConnectedOverlayOrigin = function () {\n        return this._connectionContainerRef || this._elementRef;\n    };\n    MatFormField.prototype.ngAfterContentInit = function () {\n        var _this = this;\n        this._validateControlChild();\n        var control = this._control;\n        if (control.controlType) {\n            this._elementRef.nativeElement.classList.add(\"mat-form-field-type-\" + control.controlType);\n        }\n        // Subscribe to changes in the child control state in order to update the form field UI.\n        control.stateChanges.pipe(startWith(null)).subscribe(function () {\n            _this._validatePlaceholders();\n            _this._syncDescribedByIds();\n            _this._changeDetectorRef.markForCheck();\n        });\n        // Run change detection if the value changes.\n        if (control.ngControl && control.ngControl.valueChanges) {\n            control.ngControl.valueChanges\n                .pipe(takeUntil(this._destroyed))\n                .subscribe(function () { return _this._changeDetectorRef.markForCheck(); });\n        }\n        // Note that we have to run outside of the `NgZone` explicitly,\n        // in order to avoid throwing users into an infinite loop\n        // if `zone-patch-rxjs` is included.\n        this._ngZone.runOutsideAngular(function () {\n            _this._ngZone.onStable.asObservable().pipe(takeUntil(_this._destroyed)).subscribe(function () {\n                if (_this._outlineGapCalculationNeededOnStable) {\n                    _this.updateOutlineGap();\n                }\n            });\n        });\n        // Run change detection and update the outline if the suffix or prefix changes.\n        merge(this._prefixChildren.changes, this._suffixChildren.changes).subscribe(function () {\n            _this._outlineGapCalculationNeededOnStable = true;\n            _this._changeDetectorRef.markForCheck();\n        });\n        // Re-validate when the number of hints changes.\n        this._hintChildren.changes.pipe(startWith(null)).subscribe(function () {\n            _this._processHints();\n            _this._changeDetectorRef.markForCheck();\n        });\n        // Update the aria-described by when the number of errors changes.\n        this._errorChildren.changes.pipe(startWith(null)).subscribe(function () {\n            _this._syncDescribedByIds();\n            _this._changeDetectorRef.markForCheck();\n        });\n        if (this._dir) {\n            this._dir.change.pipe(takeUntil(this._destroyed)).subscribe(function () {\n                if (typeof requestAnimationFrame === 'function') {\n                    _this._ngZone.runOutsideAngular(function () {\n                        requestAnimationFrame(function () { return _this.updateOutlineGap(); });\n                    });\n                }\n                else {\n                    _this.updateOutlineGap();\n                }\n            });\n        }\n    };\n    MatFormField.prototype.ngAfterContentChecked = function () {\n        this._validateControlChild();\n        if (this._outlineGapCalculationNeededImmediately) {\n            this.updateOutlineGap();\n        }\n    };\n    MatFormField.prototype.ngAfterViewInit = function () {\n        // Avoid animations on load.\n        this._subscriptAnimationState = 'enter';\n        this._changeDetectorRef.detectChanges();\n    };\n    MatFormField.prototype.ngOnDestroy = function () {\n        this._destroyed.next();\n        this._destroyed.complete();\n    };\n    /** Determines whether a class from the NgControl should be forwarded to the host element. */\n    MatFormField.prototype._shouldForward = function (prop) {\n        var ngControl = this._control ? this._control.ngControl : null;\n        return ngControl && ngControl[prop];\n    };\n    MatFormField.prototype._hasPlaceholder = function () {\n        return !!(this._control && this._control.placeholder || this._placeholderChild);\n    };\n    MatFormField.prototype._hasLabel = function () {\n        return !!this._labelChild;\n    };\n    MatFormField.prototype._shouldLabelFloat = function () {\n        return this._canLabelFloat && (this._control.shouldLabelFloat || this._shouldAlwaysFloat);\n    };\n    MatFormField.prototype._hideControlPlaceholder = function () {\n        // In the legacy appearance the placeholder is promoted to a label if no label is given.\n        return this.appearance === 'legacy' && !this._hasLabel() ||\n            this._hasLabel() && !this._shouldLabelFloat();\n    };\n    MatFormField.prototype._hasFloatingLabel = function () {\n        // In the legacy appearance the placeholder is promoted to a label if no label is given.\n        return this._hasLabel() || this.appearance === 'legacy' && this._hasPlaceholder();\n    };\n    /** Determines whether to display hints or errors. */\n    MatFormField.prototype._getDisplayedMessages = function () {\n        return (this._errorChildren && this._errorChildren.length > 0 &&\n            this._control.errorState) ? 'error' : 'hint';\n    };\n    /** Animates the placeholder up and locks it in position. */\n    MatFormField.prototype._animateAndLockLabel = function () {\n        var _this = this;\n        if (this._hasFloatingLabel() && this._canLabelFloat) {\n            // If animations are disabled, we shouldn't go in here,\n            // because the `transitionend` will never fire.\n            if (this._animationsEnabled) {\n                this._showAlwaysAnimate = true;\n                fromEvent(this._label.nativeElement, 'transitionend').pipe(take(1)).subscribe(function () {\n                    _this._showAlwaysAnimate = false;\n                });\n            }\n            this.floatLabel = 'always';\n            this._changeDetectorRef.markForCheck();\n        }\n    };\n    /**\n     * Ensure that there is only one placeholder (either `placeholder` attribute on the child control\n     * or child element with the `mat-placeholder` directive).\n     */\n    MatFormField.prototype._validatePlaceholders = function () {\n        if (this._control.placeholder && this._placeholderChild) {\n            throw getMatFormFieldPlaceholderConflictError();\n        }\n    };\n    /** Does any extra processing that is required when handling the hints. */\n    MatFormField.prototype._processHints = function () {\n        this._validateHints();\n        this._syncDescribedByIds();\n    };\n    /**\n     * Ensure that there is a maximum of one of each `<mat-hint>` alignment specified, with the\n     * attribute being considered as `align=\"start\"`.\n     */\n    MatFormField.prototype._validateHints = function () {\n        var _this = this;\n        if (this._hintChildren) {\n            var startHint_1;\n            var endHint_1;\n            this._hintChildren.forEach(function (hint) {\n                if (hint.align === 'start') {\n                    if (startHint_1 || _this.hintLabel) {\n                        throw getMatFormFieldDuplicatedHintError('start');\n                    }\n                    startHint_1 = hint;\n                }\n                else if (hint.align === 'end') {\n                    if (endHint_1) {\n                        throw getMatFormFieldDuplicatedHintError('end');\n                    }\n                    endHint_1 = hint;\n                }\n            });\n        }\n    };\n    /**\n     * Sets the list of element IDs that describe the child control. This allows the control to update\n     * its `aria-describedby` attribute accordingly.\n     */\n    MatFormField.prototype._syncDescribedByIds = function () {\n        if (this._control) {\n            var ids = [];\n            if (this._getDisplayedMessages() === 'hint') {\n                var startHint = this._hintChildren ?\n                    this._hintChildren.find(function (hint) { return hint.align === 'start'; }) : null;\n                var endHint = this._hintChildren ?\n                    this._hintChildren.find(function (hint) { return hint.align === 'end'; }) : null;\n                if (startHint) {\n                    ids.push(startHint.id);\n                }\n                else if (this._hintLabel) {\n                    ids.push(this._hintLabelId);\n                }\n                if (endHint) {\n                    ids.push(endHint.id);\n                }\n            }\n            else if (this._errorChildren) {\n                ids = this._errorChildren.map(function (error) { return error.id; });\n            }\n            this._control.setDescribedByIds(ids);\n        }\n    };\n    /** Throws an error if the form field's control is missing. */\n    MatFormField.prototype._validateControlChild = function () {\n        if (!this._control) {\n            throw getMatFormFieldMissingControlError();\n        }\n    };\n    /**\n     * Updates the width and position of the gap in the outline. Only relevant for the outline\n     * appearance.\n     */\n    MatFormField.prototype.updateOutlineGap = function () {\n        var e_1, _a;\n        var labelEl = this._label ? this._label.nativeElement : null;\n        if (this.appearance !== 'outline' || !labelEl || !labelEl.children.length ||\n            !labelEl.textContent.trim()) {\n            return;\n        }\n        if (!this._platform.isBrowser) {\n            // getBoundingClientRect isn't available on the server.\n            return;\n        }\n        // If the element is not present in the DOM, the outline gap will need to be calculated\n        // the next time it is checked and in the DOM.\n        if (!this._isAttachedToDOM()) {\n            this._outlineGapCalculationNeededImmediately = true;\n            return;\n        }\n        var startWidth = 0;\n        var gapWidth = 0;\n        var container = this._connectionContainerRef.nativeElement;\n        var startEls = container.querySelectorAll('.mat-form-field-outline-start');\n        var gapEls = container.querySelectorAll('.mat-form-field-outline-gap');\n        if (this._label && this._label.nativeElement.children.length) {\n            var containerRect = container.getBoundingClientRect();\n            // If the container's width and height are zero, it means that the element is\n            // invisible and we can't calculate the outline gap. Mark the element as needing\n            // to be checked the next time the zone stabilizes. We can't do this immediately\n            // on the next change detection, because even if the element becomes visible,\n            // the `ClientRect` won't be reclaculated immediately. We reset the\n            // `_outlineGapCalculationNeededImmediately` flag some we don't run the checks twice.\n            if (containerRect.width === 0 && containerRect.height === 0) {\n                this._outlineGapCalculationNeededOnStable = true;\n                this._outlineGapCalculationNeededImmediately = false;\n                return;\n            }\n            var containerStart = this._getStartEnd(containerRect);\n            var labelStart = this._getStartEnd(labelEl.children[0].getBoundingClientRect());\n            var labelWidth = 0;\n            try {\n                for (var _b = __values(labelEl.children), _c = _b.next(); !_c.done; _c = _b.next()) {\n                    var child = _c.value;\n                    labelWidth += child.offsetWidth;\n                }\n            }\n            catch (e_1_1) { e_1 = { error: e_1_1 }; }\n            finally {\n                try {\n                    if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\n                }\n                finally { if (e_1) throw e_1.error; }\n            }\n            startWidth = labelStart - containerStart - outlineGapPadding;\n            gapWidth = labelWidth > 0 ? labelWidth * floatingLabelScale + outlineGapPadding * 2 : 0;\n        }\n        for (var i = 0; i < startEls.length; i++) {\n            startEls[i].style.width = startWidth + \"px\";\n        }\n        for (var i = 0; i < gapEls.length; i++) {\n            gapEls[i].style.width = gapWidth + \"px\";\n        }\n        this._outlineGapCalculationNeededOnStable =\n            this._outlineGapCalculationNeededImmediately = false;\n    };\n    /** Gets the start end of the rect considering the current directionality. */\n    MatFormField.prototype._getStartEnd = function (rect) {\n        return (this._dir && this._dir.value === 'rtl') ? rect.right : rect.left;\n    };\n    /** Checks whether the form field is attached to the DOM. */\n    MatFormField.prototype._isAttachedToDOM = function () {\n        var element = this._elementRef.nativeElement;\n        if (element.getRootNode) {\n            var rootNode = element.getRootNode();\n            // If the element is inside the DOM the root node will be either the document\n            // or the closest shadow root, otherwise it'll be the element itself.\n            return rootNode && rootNode !== element;\n        }\n        // Otherwise fall back to checking if it's in the document. This doesn't account for\n        // shadow DOM, however browser that support shadow DOM should support `getRootNode` as well.\n        return document.documentElement.contains(element);\n    };\n    MatFormField.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-form-field',\n                    exportAs: 'matFormField',\n                    template: \"<div class=\\\"mat-form-field-wrapper\\\">\\n  <div class=\\\"mat-form-field-flex\\\" #connectionContainer\\n       (click)=\\\"_control.onContainerClick && _control.onContainerClick($event)\\\">\\n\\n    <!-- Outline used for outline appearance. -->\\n    <ng-container *ngIf=\\\"appearance == 'outline'\\\">\\n      <div class=\\\"mat-form-field-outline\\\">\\n        <div class=\\\"mat-form-field-outline-start\\\"></div>\\n        <div class=\\\"mat-form-field-outline-gap\\\"></div>\\n        <div class=\\\"mat-form-field-outline-end\\\"></div>\\n      </div>\\n      <div class=\\\"mat-form-field-outline mat-form-field-outline-thick\\\">\\n        <div class=\\\"mat-form-field-outline-start\\\"></div>\\n        <div class=\\\"mat-form-field-outline-gap\\\"></div>\\n        <div class=\\\"mat-form-field-outline-end\\\"></div>\\n      </div>\\n    </ng-container>\\n\\n    <div class=\\\"mat-form-field-prefix\\\" *ngIf=\\\"_prefixChildren.length\\\">\\n      <ng-content select=\\\"[matPrefix]\\\"></ng-content>\\n    </div>\\n\\n    <div class=\\\"mat-form-field-infix\\\" #inputContainer>\\n      <ng-content></ng-content>\\n\\n      <span class=\\\"mat-form-field-label-wrapper\\\">\\n        <!-- We add aria-owns as a workaround for an issue in JAWS & NVDA where the label isn't\\n             read if it comes before the control in the DOM. -->\\n        <label class=\\\"mat-form-field-label\\\"\\n               (cdkObserveContent)=\\\"updateOutlineGap()\\\"\\n               [cdkObserveContentDisabled]=\\\"appearance != 'outline'\\\"\\n               [id]=\\\"_labelId\\\"\\n               [attr.for]=\\\"_control.id\\\"\\n               [attr.aria-owns]=\\\"_control.id\\\"\\n               [class.mat-empty]=\\\"_control.empty && !_shouldAlwaysFloat\\\"\\n               [class.mat-form-field-empty]=\\\"_control.empty && !_shouldAlwaysFloat\\\"\\n               [class.mat-accent]=\\\"color == 'accent'\\\"\\n               [class.mat-warn]=\\\"color == 'warn'\\\"\\n               #label\\n               *ngIf=\\\"_hasFloatingLabel()\\\"\\n               [ngSwitch]=\\\"_hasLabel()\\\">\\n\\n          <!-- @breaking-change 8.0.0 remove in favor of mat-label element an placeholder attr. -->\\n          <ng-container *ngSwitchCase=\\\"false\\\">\\n            <ng-content select=\\\"mat-placeholder\\\"></ng-content>\\n            <span>{{_control.placeholder}}</span>\\n          </ng-container>\\n\\n          <ng-content select=\\\"mat-label\\\" *ngSwitchCase=\\\"true\\\"></ng-content>\\n\\n          <!-- @breaking-change 8.0.0 remove `mat-placeholder-required` class -->\\n          <span\\n            class=\\\"mat-placeholder-required mat-form-field-required-marker\\\"\\n            aria-hidden=\\\"true\\\"\\n            *ngIf=\\\"!hideRequiredMarker && _control.required && !_control.disabled\\\">&#32;*</span>\\n        </label>\\n      </span>\\n    </div>\\n\\n    <div class=\\\"mat-form-field-suffix\\\" *ngIf=\\\"_suffixChildren.length\\\">\\n      <ng-content select=\\\"[matSuffix]\\\"></ng-content>\\n    </div>\\n  </div>\\n\\n  <!-- Underline used for legacy, standard, and box appearances. -->\\n  <div class=\\\"mat-form-field-underline\\\" #underline\\n       *ngIf=\\\"appearance != 'outline'\\\">\\n    <span class=\\\"mat-form-field-ripple\\\"\\n          [class.mat-accent]=\\\"color == 'accent'\\\"\\n          [class.mat-warn]=\\\"color == 'warn'\\\"></span>\\n  </div>\\n\\n  <div class=\\\"mat-form-field-subscript-wrapper\\\"\\n       [ngSwitch]=\\\"_getDisplayedMessages()\\\">\\n    <div *ngSwitchCase=\\\"'error'\\\" [@transitionMessages]=\\\"_subscriptAnimationState\\\">\\n      <ng-content select=\\\"mat-error\\\"></ng-content>\\n    </div>\\n\\n    <div class=\\\"mat-form-field-hint-wrapper\\\" *ngSwitchCase=\\\"'hint'\\\"\\n      [@transitionMessages]=\\\"_subscriptAnimationState\\\">\\n      <!-- TODO(mmalerba): use an actual <mat-hint> once all selectors are switched to mat-* -->\\n      <div *ngIf=\\\"hintLabel\\\" [id]=\\\"_hintLabelId\\\" class=\\\"mat-hint\\\">{{hintLabel}}</div>\\n      <ng-content select=\\\"mat-hint:not([align='end'])\\\"></ng-content>\\n      <div class=\\\"mat-form-field-hint-spacer\\\"></div>\\n      <ng-content select=\\\"mat-hint[align='end']\\\"></ng-content>\\n    </div>\\n  </div>\\n</div>\\n\",\n                    animations: [matFormFieldAnimations.transitionMessages],\n                    host: {\n                        'class': 'mat-form-field',\n                        '[class.mat-form-field-appearance-standard]': 'appearance == \"standard\"',\n                        '[class.mat-form-field-appearance-fill]': 'appearance == \"fill\"',\n                        '[class.mat-form-field-appearance-outline]': 'appearance == \"outline\"',\n                        '[class.mat-form-field-appearance-legacy]': 'appearance == \"legacy\"',\n                        '[class.mat-form-field-invalid]': '_control.errorState',\n                        '[class.mat-form-field-can-float]': '_canLabelFloat',\n                        '[class.mat-form-field-should-float]': '_shouldLabelFloat()',\n                        '[class.mat-form-field-has-label]': '_hasFloatingLabel()',\n                        '[class.mat-form-field-hide-placeholder]': '_hideControlPlaceholder()',\n                        '[class.mat-form-field-disabled]': '_control.disabled',\n                        '[class.mat-form-field-autofilled]': '_control.autofilled',\n                        '[class.mat-focused]': '_control.focused',\n                        '[class.mat-accent]': 'color == \"accent\"',\n                        '[class.mat-warn]': 'color == \"warn\"',\n                        '[class.ng-untouched]': '_shouldForward(\"untouched\")',\n                        '[class.ng-touched]': '_shouldForward(\"touched\")',\n                        '[class.ng-pristine]': '_shouldForward(\"pristine\")',\n                        '[class.ng-dirty]': '_shouldForward(\"dirty\")',\n                        '[class.ng-valid]': '_shouldForward(\"valid\")',\n                        '[class.ng-invalid]': '_shouldForward(\"invalid\")',\n                        '[class.ng-pending]': '_shouldForward(\"pending\")',\n                        '[class._mat-animation-noopable]': '!_animationsEnabled',\n                    },\n                    inputs: ['color'],\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    styles: [\".mat-form-field{display:inline-block;position:relative;text-align:left}[dir=rtl] .mat-form-field{text-align:right}.mat-form-field-wrapper{position:relative}.mat-form-field-flex{display:inline-flex;align-items:baseline;box-sizing:border-box;width:100%}.mat-form-field-prefix,.mat-form-field-suffix{white-space:nowrap;flex:none;position:relative}.mat-form-field-infix{display:block;position:relative;flex:auto;min-width:0;width:180px}.cdk-high-contrast-active .mat-form-field-infix{border-image:linear-gradient(transparent, transparent)}.mat-form-field-label-wrapper{position:absolute;left:0;box-sizing:content-box;width:100%;height:100%;overflow:hidden;pointer-events:none}[dir=rtl] .mat-form-field-label-wrapper{left:auto;right:0}.mat-form-field-label{position:absolute;left:0;font:inherit;pointer-events:none;width:100%;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;transform-origin:0 0;transition:transform 400ms cubic-bezier(0.25, 0.8, 0.25, 1),color 400ms cubic-bezier(0.25, 0.8, 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.mat-form-field-underline{border-top-style:dotted;border-top-width:2px}.mat-form-field-appearance-legacy.mat-form-field-invalid:not(.mat-focused) .mat-form-field-ripple{height:1px}\\n\", \".mat-form-field-appearance-outline .mat-form-field-wrapper{margin:.25em 0}.mat-form-field-appearance-outline .mat-form-field-flex{padding:0 .75em 0 .75em;margin-top:-0.25em;position:relative}.mat-form-field-appearance-outline .mat-form-field-prefix,.mat-form-field-appearance-outline .mat-form-field-suffix{top:.25em}.mat-form-field-appearance-outline .mat-form-field-outline{display:flex;position:absolute;top:.25em;left:0;right:0;bottom:0;pointer-events:none}.mat-form-field-appearance-outline .mat-form-field-outline-start,.mat-form-field-appearance-outline .mat-form-field-outline-end{border:1px solid currentColor;min-width:5px}.mat-form-field-appearance-outline .mat-form-field-outline-start{border-radius:5px 0 0 5px;border-right-style:none}[dir=rtl] .mat-form-field-appearance-outline 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.mat-form-field-outline-thick .mat-form-field-outline-gap{border-width:2px}.mat-form-field-appearance-outline.mat-focused .mat-form-field-outline,.mat-form-field-appearance-outline.mat-form-field-invalid .mat-form-field-outline{opacity:0;transition:opacity 100ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-form-field-appearance-outline.mat-focused .mat-form-field-outline-thick,.mat-form-field-appearance-outline.mat-form-field-invalid .mat-form-field-outline-thick{opacity:1}.mat-form-field-appearance-outline:not(.mat-form-field-disabled) .mat-form-field-flex:hover .mat-form-field-outline{opacity:0;transition:opacity 600ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-form-field-appearance-outline:not(.mat-form-field-disabled) .mat-form-field-flex:hover .mat-form-field-outline-thick{opacity:1}.mat-form-field-appearance-outline .mat-form-field-subscript-wrapper{padding:0 1em}.mat-form-field-appearance-outline._mat-animation-noopable:not(.mat-form-field-disabled) .mat-form-field-flex:hover~.mat-form-field-outline,.mat-form-field-appearance-outline._mat-animation-noopable .mat-form-field-outline,.mat-form-field-appearance-outline._mat-animation-noopable .mat-form-field-outline-start,.mat-form-field-appearance-outline._mat-animation-noopable .mat-form-field-outline-end,.mat-form-field-appearance-outline._mat-animation-noopable .mat-form-field-outline-gap{transition:none}\\n\", \".mat-form-field-appearance-standard .mat-form-field-flex{padding-top:.75em}.mat-form-field-appearance-standard .mat-form-field-underline{height:1px}.cdk-high-contrast-active .mat-form-field-appearance-standard .mat-form-field-underline{height:0;border-top:solid 1px}.mat-form-field-appearance-standard .mat-form-field-ripple{bottom:0;height:2px}.cdk-high-contrast-active .mat-form-field-appearance-standard .mat-form-field-ripple{height:0;border-top:2px}.mat-form-field-appearance-standard.mat-form-field-disabled .mat-form-field-underline{background-position:0;background-color:transparent}.cdk-high-contrast-active .mat-form-field-appearance-standard.mat-form-field-disabled .mat-form-field-underline{border-top-style:dotted;border-top-width:2px}.mat-form-field-appearance-standard:not(.mat-form-field-disabled) .mat-form-field-flex:hover~.mat-form-field-underline .mat-form-field-ripple{opacity:1;transform:none;transition:opacity 600ms cubic-bezier(0.25, 0.8, 0.25, 1)}.mat-form-field-appearance-standard._mat-animation-noopable:not(.mat-form-field-disabled) .mat-form-field-flex:hover~.mat-form-field-underline .mat-form-field-ripple{transition:none}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatFormField.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: ChangeDetectorRef },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_LABEL_GLOBAL_OPTIONS,] }] },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_FORM_FIELD_DEFAULT_OPTIONS,] }] },\n        { type: Platform },\n        { type: NgZone },\n        { type: String, decorators: [{ type: Optional }, { type: Inject, args: [ANIMATION_MODULE_TYPE,] }] }\n    ]; };\n    MatFormField.propDecorators = {\n        appearance: [{ type: Input }],\n        hideRequiredMarker: [{ type: Input }],\n        hintLabel: [{ type: Input }],\n        floatLabel: [{ type: Input }],\n        underlineRef: [{ type: ViewChild, args: ['underline',] }],\n        _connectionContainerRef: [{ type: ViewChild, args: ['connectionContainer', { static: true },] }],\n        _inputContainerRef: [{ type: ViewChild, args: ['inputContainer',] }],\n        _label: [{ type: ViewChild, args: ['label',] }],\n        _controlNonStatic: [{ type: ContentChild, args: [MatFormFieldControl,] }],\n        _controlStatic: [{ type: ContentChild, args: [MatFormFieldControl, { static: true },] }],\n        _labelChildNonStatic: [{ type: ContentChild, args: [MatLabel,] }],\n        _labelChildStatic: [{ type: ContentChild, args: [MatLabel, { static: true },] }],\n        _placeholderChild: [{ type: ContentChild, args: [MatPlaceholder,] }],\n        _errorChildren: [{ type: ContentChildren, args: [MatError, { descendants: true },] }],\n        _hintChildren: [{ type: ContentChildren, args: [MatHint, { descendants: true },] }],\n        _prefixChildren: [{ type: ContentChildren, args: [MatPrefix, { descendants: true },] }],\n        _suffixChildren: [{ type: ContentChildren, args: [MatSuffix, { descendants: true },] }]\n    };\n    return MatFormField;\n}(_MatFormFieldMixinBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatFormFieldModule = /** @class */ (function () {\n    function MatFormFieldModule() {\n    }\n    MatFormFieldModule.decorators = [\n        { type: NgModule, args: [{\n                    declarations: [\n                        MatError,\n                        MatFormField,\n                        MatHint,\n                        MatLabel,\n                        MatPlaceholder,\n                        MatPrefix,\n                        MatSuffix,\n                    ],\n                    imports: [\n                        CommonModule,\n                        ObserversModule,\n                    ],\n                    exports: [\n                        MatError,\n                        MatFormField,\n                        MatHint,\n                        MatLabel,\n                        MatPlaceholder,\n                        MatPrefix,\n                        MatSuffix,\n                    ],\n                },] }\n    ];\n    return MatFormFieldModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MAT_FORM_FIELD_DEFAULT_OPTIONS, MatError, MatFormField, MatFormFieldControl, MatFormFieldModule, MatHint, MatLabel, MatPlaceholder, MatPrefix, MatSuffix, getMatFormFieldDuplicatedHintError, getMatFormFieldMissingControlError, getMatFormFieldPlaceholderConflictError, matFormFieldAnimations };\n","import { Overlay, OverlayConfig, OverlayContainer, OverlayModule } from '@angular/cdk/overlay';\nimport { CdkPortalOutlet, BasePortalOutlet, PortalInjector, ComponentPortal, TemplatePortal, PortalModule } from '@angular/cdk/portal';\nimport { DOCUMENT, Location, CommonModule } from '@angular/common';\nimport { EventEmitter, Component, ViewEncapsulation, ChangeDetectionStrategy, ElementRef, ChangeDetectorRef, Optional, Inject, ViewChild, InjectionToken, TemplateRef, Injectable, Injector, SkipSelf, Directive, Input, NgModule } from '@angular/core';\nimport { MatCommonModule } from '@angular/material/core';\nimport { __extends, __assign } from 'tslib';\nimport { Directionality } from '@angular/cdk/bidi';\nimport { Subject, defer, of } from 'rxjs';\nimport { filter, take, startWith } from 'rxjs/operators';\nimport { trigger, state, style, transition, animate } from '@angular/animations';\nimport { FocusTrapFactory } from '@angular/cdk/a11y';\nimport { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Configuration for opening a modal dialog with the MatDialog service.\n */\nvar MatDialogConfig = /** @class */ (function () {\n    function MatDialogConfig() {\n        /** The ARIA role of the dialog element. */\n        this.role = 'dialog';\n        /** Custom class for the overlay pane. */\n        this.panelClass = '';\n        /** Whether the dialog has a backdrop. */\n        this.hasBackdrop = true;\n        /** Custom class for the backdrop. */\n        this.backdropClass = '';\n        /** Whether the user can use escape or clicking on the backdrop to close the modal. */\n        this.disableClose = false;\n        /** Width of the dialog. */\n        this.width = '';\n        /** Height of the dialog. */\n        this.height = '';\n        /** Max-width of the dialog. If a number is provided, assumes pixel units. Defaults to 80vw. */\n        this.maxWidth = '80vw';\n        /** Data being injected into the child component. */\n        this.data = null;\n        /** ID of the element that describes the dialog. */\n        this.ariaDescribedBy = null;\n        /** ID of the element that labels the dialog. */\n        this.ariaLabelledBy = null;\n        /** Aria label to assign to the dialog element. */\n        this.ariaLabel = null;\n        /** Whether the dialog should focus the first focusable element on open. */\n        this.autoFocus = true;\n        /**\n         * Whether the dialog should restore focus to the\n         * previously-focused element, after it's closed.\n         */\n        this.restoreFocus = true;\n        /**\n         * Whether the dialog should close when the user goes backwards/forwards in history.\n         * Note that this usually doesn't include clicking on links (unless the user is using\n         * the `HashLocationStrategy`).\n         */\n        this.closeOnNavigation = true;\n        // TODO(jelbourn): add configuration for lifecycle hooks, ARIA labelling.\n    }\n    return MatDialogConfig;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Animations used by MatDialog.\n * @docs-private\n */\nvar matDialogAnimations = {\n    /** Animation that is applied on the dialog container by defalt. */\n    dialogContainer: trigger('dialogContainer', [\n        // Note: The `enter` animation transitions to `transform: none`, because for some reason\n        // specifying the transform explicitly, causes IE both to blur the dialog content and\n        // decimate the animation performance. Leaving it as `none` solves both issues.\n        state('void, exit', style({ opacity: 0, transform: 'scale(0.7)' })),\n        state('enter', style({ transform: 'none' })),\n        transition('* => enter', animate('150ms cubic-bezier(0, 0, 0.2, 1)', style({ transform: 'none', opacity: 1 }))),\n        transition('* => void, * => exit', animate('75ms cubic-bezier(0.4, 0.0, 0.2, 1)', style({ opacity: 0 }))),\n    ])\n};\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Throws an exception for the case when a ComponentPortal is\n * attached to a DomPortalOutlet without an origin.\n * @docs-private\n */\nfunction throwMatDialogContentAlreadyAttachedError() {\n    throw Error('Attempting to attach dialog content after content is already attached');\n}\n/**\n * Internal component that wraps user-provided dialog content.\n * Animation is based on https://material.io/guidelines/motion/choreography.html.\n * @docs-private\n */\nvar MatDialogContainer = /** @class */ (function (_super) {\n    __extends(MatDialogContainer, _super);\n    function MatDialogContainer(_elementRef, _focusTrapFactory, _changeDetectorRef, _document, \n    /** The dialog configuration. */\n    _config) {\n        var _this = _super.call(this) || this;\n        _this._elementRef = _elementRef;\n        _this._focusTrapFactory = _focusTrapFactory;\n        _this._changeDetectorRef = _changeDetectorRef;\n        _this._config = _config;\n        /** Element that was focused before the dialog was opened. Save this to restore upon close. */\n        _this._elementFocusedBeforeDialogWasOpened = null;\n        /** State of the dialog animation. */\n        _this._state = 'enter';\n        /** Emits when an animation state changes. */\n        _this._animationStateChanged = new EventEmitter();\n        /**\n         * Attaches a DOM portal to the dialog container.\n         * @param portal Portal to be attached.\n         * @deprecated To be turned into a method.\n         * @breaking-change 10.0.0\n         */\n        _this.attachDomPortal = function (portal) {\n            if (_this._portalOutlet.hasAttached()) {\n                throwMatDialogContentAlreadyAttachedError();\n            }\n            _this._savePreviouslyFocusedElement();\n            return _this._portalOutlet.attachDomPortal(portal);\n        };\n        _this._ariaLabelledBy = _config.ariaLabelledBy || null;\n        _this._document = _document;\n        return _this;\n    }\n    /**\n     * Attach a ComponentPortal as content to this dialog container.\n     * @param portal Portal to be attached as the dialog content.\n     */\n    MatDialogContainer.prototype.attachComponentPortal = function (portal) {\n        if (this._portalOutlet.hasAttached()) {\n            throwMatDialogContentAlreadyAttachedError();\n        }\n        this._savePreviouslyFocusedElement();\n        return this._portalOutlet.attachComponentPortal(portal);\n    };\n    /**\n     * Attach a TemplatePortal as content to this dialog container.\n     * @param portal Portal to be attached as the dialog content.\n     */\n    MatDialogContainer.prototype.attachTemplatePortal = function (portal) {\n        if (this._portalOutlet.hasAttached()) {\n            throwMatDialogContentAlreadyAttachedError();\n        }\n        this._savePreviouslyFocusedElement();\n        return this._portalOutlet.attachTemplatePortal(portal);\n    };\n    /** Moves the focus inside the focus trap. */\n    MatDialogContainer.prototype._trapFocus = function () {\n        var element = this._elementRef.nativeElement;\n        if (!this._focusTrap) {\n            this._focusTrap = this._focusTrapFactory.create(element);\n        }\n        // If we were to attempt to focus immediately, then the content of the dialog would not yet be\n        // ready in instances where change detection has to run first. To deal with this, we simply\n        // wait for the microtask queue to be empty.\n        if (this._config.autoFocus) {\n            this._focusTrap.focusInitialElementWhenReady();\n        }\n        else {\n            var activeElement = this._document.activeElement;\n            // Otherwise ensure that focus is on the dialog container. It's possible that a different\n            // component tried to move focus while the open animation was running. See:\n            // https://github.com/angular/components/issues/16215. Note that we only want to do this\n            // if the focus isn't inside the dialog already, because it's possible that the consumer\n            // turned off `autoFocus` in order to move focus themselves.\n            if (activeElement !== element && !element.contains(activeElement)) {\n                element.focus();\n            }\n        }\n    };\n    /** Restores focus to the element that was focused before the dialog opened. */\n    MatDialogContainer.prototype._restoreFocus = function () {\n        var toFocus = this._elementFocusedBeforeDialogWasOpened;\n        // We need the extra check, because IE can set the `activeElement` to null in some cases.\n        if (this._config.restoreFocus && toFocus && typeof toFocus.focus === 'function') {\n            var activeElement = this._document.activeElement;\n            var element = this._elementRef.nativeElement;\n            // Make sure that focus is still inside the dialog or is on the body (usually because a\n            // non-focusable element like the backdrop was clicked) before moving it. It's possible that\n            // the consumer moved it themselves before the animation was done, in which case we shouldn't\n            // do anything.\n            if (!activeElement || activeElement === this._document.body || activeElement === element ||\n                element.contains(activeElement)) {\n                toFocus.focus();\n            }\n        }\n        if (this._focusTrap) {\n            this._focusTrap.destroy();\n        }\n    };\n    /** Saves a reference to the element that was focused before the dialog was opened. */\n    MatDialogContainer.prototype._savePreviouslyFocusedElement = function () {\n        var _this = this;\n        if (this._document) {\n            this._elementFocusedBeforeDialogWasOpened = this._document.activeElement;\n            // Note that there is no focus method when rendering on the server.\n            if (this._elementRef.nativeElement.focus) {\n                // Move focus onto the dialog immediately in order to prevent the user from accidentally\n                // opening multiple dialogs at the same time. Needs to be async, because the element\n                // may not be focusable immediately.\n                Promise.resolve().then(function () { return _this._elementRef.nativeElement.focus(); });\n            }\n        }\n    };\n    /** Callback, invoked whenever an animation on the host completes. */\n    MatDialogContainer.prototype._onAnimationDone = function (event) {\n        if (event.toState === 'enter') {\n            this._trapFocus();\n        }\n        else if (event.toState === 'exit') {\n            this._restoreFocus();\n        }\n        this._animationStateChanged.emit(event);\n    };\n    /** Callback, invoked when an animation on the host starts. */\n    MatDialogContainer.prototype._onAnimationStart = function (event) {\n        this._animationStateChanged.emit(event);\n    };\n    /** Starts the dialog exit animation. */\n    MatDialogContainer.prototype._startExitAnimation = function () {\n        this._state = 'exit';\n        // Mark the container for check so it can react if the\n        // view container is using OnPush change detection.\n        this._changeDetectorRef.markForCheck();\n    };\n    MatDialogContainer.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-dialog-container',\n                    template: \"<ng-template cdkPortalOutlet></ng-template>\\n\",\n                    encapsulation: ViewEncapsulation.None,\n                    // Using OnPush for dialogs caused some G3 sync issues. Disabled until we can track them down.\n                    // tslint:disable-next-line:validate-decorators\n                    changeDetection: ChangeDetectionStrategy.Default,\n                    animations: [matDialogAnimations.dialogContainer],\n                    host: {\n                        'class': 'mat-dialog-container',\n                        'tabindex': '-1',\n                        'aria-modal': 'true',\n                        '[attr.id]': '_id',\n                        '[attr.role]': '_config.role',\n                        '[attr.aria-labelledby]': '_config.ariaLabel ? null : _ariaLabelledBy',\n                        '[attr.aria-label]': '_config.ariaLabel',\n                        '[attr.aria-describedby]': '_config.ariaDescribedBy || null',\n                        '[@dialogContainer]': '_state',\n                        '(@dialogContainer.start)': '_onAnimationStart($event)',\n                        '(@dialogContainer.done)': '_onAnimationDone($event)',\n                    },\n                    styles: [\".mat-dialog-container{display:block;padding:24px;border-radius:4px;box-sizing:border-box;overflow:auto;outline:0;width:100%;height:100%;min-height:inherit;max-height:inherit}.cdk-high-contrast-active .mat-dialog-container{outline:solid 1px}.mat-dialog-content{display:block;margin:0 -24px;padding:0 24px;max-height:65vh;overflow:auto;-webkit-overflow-scrolling:touch}.mat-dialog-title{margin:0 0 20px;display:block}.mat-dialog-actions{padding:8px 0;display:flex;flex-wrap:wrap;min-height:52px;align-items:center;margin-bottom:-24px}.mat-dialog-actions[align=end]{justify-content:flex-end}.mat-dialog-actions[align=center]{justify-content:center}.mat-dialog-actions .mat-button-base+.mat-button-base{margin-left:8px}[dir=rtl] .mat-dialog-actions .mat-button-base+.mat-button-base{margin-left:0;margin-right:8px}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatDialogContainer.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: FocusTrapFactory },\n        { type: ChangeDetectorRef },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] },\n        { type: MatDialogConfig }\n    ]; };\n    MatDialogContainer.propDecorators = {\n        _portalOutlet: [{ type: ViewChild, args: [CdkPortalOutlet, { static: true },] }]\n    };\n    return MatDialogContainer;\n}(BasePortalOutlet));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// TODO(jelbourn): resizing\n// Counter for unique dialog ids.\nvar uniqueId = 0;\n/**\n * Reference to a dialog opened via the MatDialog service.\n */\nvar MatDialogRef = /** @class */ (function () {\n    function MatDialogRef(_overlayRef, _containerInstance, id) {\n        var _this = this;\n        if (id === void 0) { id = \"mat-dialog-\" + uniqueId++; }\n        this._overlayRef = _overlayRef;\n        this._containerInstance = _containerInstance;\n        this.id = id;\n        /** Whether the user is allowed to close the dialog. */\n        this.disableClose = this._containerInstance._config.disableClose;\n        /** Subject for notifying the user that the dialog has finished opening. */\n        this._afterOpened = new Subject();\n        /** Subject for notifying the user that the dialog has finished closing. */\n        this._afterClosed = new Subject();\n        /** Subject for notifying the user that the dialog has started closing. */\n        this._beforeClosed = new Subject();\n        /** Current state of the dialog. */\n        this._state = 0 /* OPEN */;\n        // Pass the id along to the container.\n        _containerInstance._id = id;\n        // Emit when opening animation completes\n        _containerInstance._animationStateChanged.pipe(filter(function (event) { return event.phaseName === 'done' && event.toState === 'enter'; }), take(1))\n            .subscribe(function () {\n            _this._afterOpened.next();\n            _this._afterOpened.complete();\n        });\n        // Dispose overlay when closing animation is complete\n        _containerInstance._animationStateChanged.pipe(filter(function (event) { return event.phaseName === 'done' && event.toState === 'exit'; }), take(1)).subscribe(function () {\n            clearTimeout(_this._closeFallbackTimeout);\n            _this._overlayRef.dispose();\n        });\n        _overlayRef.detachments().subscribe(function () {\n            _this._beforeClosed.next(_this._result);\n            _this._beforeClosed.complete();\n            _this._afterClosed.next(_this._result);\n            _this._afterClosed.complete();\n            _this.componentInstance = null;\n            _this._overlayRef.dispose();\n        });\n        _overlayRef.keydownEvents()\n            .pipe(filter(function (event) {\n            return event.keyCode === ESCAPE && !_this.disableClose && !hasModifierKey(event);\n        }))\n            .subscribe(function (event) {\n            event.preventDefault();\n            _this.close();\n        });\n    }\n    /**\n     * Close the dialog.\n     * @param dialogResult Optional result to return to the dialog opener.\n     */\n    MatDialogRef.prototype.close = function (dialogResult) {\n        var _this = this;\n        this._result = dialogResult;\n        // Transition the backdrop in parallel to the dialog.\n        this._containerInstance._animationStateChanged.pipe(filter(function (event) { return event.phaseName === 'start'; }), take(1))\n            .subscribe(function (event) {\n            _this._beforeClosed.next(dialogResult);\n            _this._beforeClosed.complete();\n            _this._state = 2 /* CLOSED */;\n            _this._overlayRef.detachBackdrop();\n            // The logic that disposes of the overlay depends on the exit animation completing, however\n            // it isn't guaranteed if the parent view is destroyed while it's running. Add a fallback\n            // timeout which will clean everything up if the animation hasn't fired within the specified\n            // amount of time plus 100ms. We don't need to run this outside the NgZone, because for the\n            // vast majority of cases the timeout will have been cleared before it has the chance to fire.\n            _this._closeFallbackTimeout = setTimeout(function () {\n                _this._overlayRef.dispose();\n            }, event.totalTime + 100);\n        });\n        this._containerInstance._startExitAnimation();\n        this._state = 1 /* CLOSING */;\n    };\n    /**\n     * Gets an observable that is notified when the dialog is finished opening.\n     */\n    MatDialogRef.prototype.afterOpened = function () {\n        return this._afterOpened.asObservable();\n    };\n    /**\n     * Gets an observable that is notified when the dialog is finished closing.\n     */\n    MatDialogRef.prototype.afterClosed = function () {\n        return this._afterClosed.asObservable();\n    };\n    /**\n     * Gets an observable that is notified when the dialog has started closing.\n     */\n    MatDialogRef.prototype.beforeClosed = function () {\n        return this._beforeClosed.asObservable();\n    };\n    /**\n     * Gets an observable that emits when the overlay's backdrop has been clicked.\n     */\n    MatDialogRef.prototype.backdropClick = function () {\n        return this._overlayRef.backdropClick();\n    };\n    /**\n     * Gets an observable that emits when keydown events are targeted on the overlay.\n     */\n    MatDialogRef.prototype.keydownEvents = function () {\n        return this._overlayRef.keydownEvents();\n    };\n    /**\n     * Updates the dialog's position.\n     * @param position New dialog position.\n     */\n    MatDialogRef.prototype.updatePosition = function (position) {\n        var strategy = this._getPositionStrategy();\n        if (position && (position.left || position.right)) {\n            position.left ? strategy.left(position.left) : strategy.right(position.right);\n        }\n        else {\n            strategy.centerHorizontally();\n        }\n        if (position && (position.top || position.bottom)) {\n            position.top ? strategy.top(position.top) : strategy.bottom(position.bottom);\n        }\n        else {\n            strategy.centerVertically();\n        }\n        this._overlayRef.updatePosition();\n        return this;\n    };\n    /**\n     * Updates the dialog's width and height.\n     * @param width New width of the dialog.\n     * @param height New height of the dialog.\n     */\n    MatDialogRef.prototype.updateSize = function (width, height) {\n        if (width === void 0) { width = ''; }\n        if (height === void 0) { height = ''; }\n        this._getPositionStrategy().width(width).height(height);\n        this._overlayRef.updatePosition();\n        return this;\n    };\n    /** Add a CSS class or an array of classes to the overlay pane. */\n    MatDialogRef.prototype.addPanelClass = function (classes) {\n        this._overlayRef.addPanelClass(classes);\n        return this;\n    };\n    /** Remove a CSS class or an array of classes from the overlay pane. */\n    MatDialogRef.prototype.removePanelClass = function (classes) {\n        this._overlayRef.removePanelClass(classes);\n        return this;\n    };\n    /** Gets the current state of the dialog's lifecycle. */\n    MatDialogRef.prototype.getState = function () {\n        return this._state;\n    };\n    /** Fetches the position strategy object from the overlay ref. */\n    MatDialogRef.prototype._getPositionStrategy = function () {\n        return this._overlayRef.getConfig().positionStrategy;\n    };\n    return MatDialogRef;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Injection token that can be used to access the data that was passed in to a dialog. */\nvar MAT_DIALOG_DATA = new InjectionToken('MatDialogData');\n/** Injection token that can be used to specify default dialog options. */\nvar MAT_DIALOG_DEFAULT_OPTIONS = new InjectionToken('mat-dialog-default-options');\n/** Injection token that determines the scroll handling while the dialog is open. */\nvar MAT_DIALOG_SCROLL_STRATEGY = new InjectionToken('mat-dialog-scroll-strategy');\n/** @docs-private */\nfunction MAT_DIALOG_SCROLL_STRATEGY_FACTORY(overlay) {\n    return function () { return overlay.scrollStrategies.block(); };\n}\n/** @docs-private */\nfunction MAT_DIALOG_SCROLL_STRATEGY_PROVIDER_FACTORY(overlay) {\n    return function () { return overlay.scrollStrategies.block(); };\n}\n/** @docs-private */\nvar MAT_DIALOG_SCROLL_STRATEGY_PROVIDER = {\n    provide: MAT_DIALOG_SCROLL_STRATEGY,\n    deps: [Overlay],\n    useFactory: MAT_DIALOG_SCROLL_STRATEGY_PROVIDER_FACTORY,\n};\n/**\n * Service to open Material Design modal dialogs.\n */\nvar MatDialog = /** @class */ (function () {\n    function MatDialog(_overlay, _injector, \n    /**\n     * @deprecated `_location` parameter to be removed.\n     * @breaking-change 10.0.0\n     */\n    _location, _defaultOptions, scrollStrategy, _parentDialog, _overlayContainer) {\n        var _this = this;\n        this._overlay = _overlay;\n        this._injector = _injector;\n        this._defaultOptions = _defaultOptions;\n        this._parentDialog = _parentDialog;\n        this._overlayContainer = _overlayContainer;\n        this._openDialogsAtThisLevel = [];\n        this._afterAllClosedAtThisLevel = new Subject();\n        this._afterOpenedAtThisLevel = new Subject();\n        this._ariaHiddenElements = new Map();\n        // TODO (jelbourn): tighten the typing right-hand side of this expression.\n        /**\n         * Stream that emits when all open dialog have finished closing.\n         * Will emit on subscribe if there are no open dialogs to begin with.\n         */\n        this.afterAllClosed = defer(function () { return _this.openDialogs.length ?\n            _this._afterAllClosed :\n            _this._afterAllClosed.pipe(startWith(undefined)); });\n        this._scrollStrategy = scrollStrategy;\n    }\n    Object.defineProperty(MatDialog.prototype, \"openDialogs\", {\n        /** Keeps track of the currently-open dialogs. */\n        get: function () {\n            return this._parentDialog ? this._parentDialog.openDialogs : this._openDialogsAtThisLevel;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatDialog.prototype, \"afterOpened\", {\n        /** Stream that emits when a dialog has been opened. */\n        get: function () {\n            return this._parentDialog ? this._parentDialog.afterOpened : this._afterOpenedAtThisLevel;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatDialog.prototype, \"_afterAllClosed\", {\n        get: function () {\n            var parent = this._parentDialog;\n            return parent ? parent._afterAllClosed : this._afterAllClosedAtThisLevel;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Opens a modal dialog containing the given component.\n     * @param componentOrTemplateRef Type of the component to load into the dialog,\n     *     or a TemplateRef to instantiate as the dialog content.\n     * @param config Extra configuration options.\n     * @returns Reference to the newly-opened dialog.\n     */\n    MatDialog.prototype.open = function (componentOrTemplateRef, config) {\n        var _this = this;\n        config = _applyConfigDefaults(config, this._defaultOptions || new MatDialogConfig());\n        if (config.id && this.getDialogById(config.id)) {\n            throw Error(\"Dialog with id \\\"\" + config.id + \"\\\" exists already. The dialog id must be unique.\");\n        }\n        var overlayRef = this._createOverlay(config);\n        var dialogContainer = this._attachDialogContainer(overlayRef, config);\n        var dialogRef = this._attachDialogContent(componentOrTemplateRef, dialogContainer, overlayRef, config);\n        // If this is the first dialog that we're opening, hide all the non-overlay content.\n        if (!this.openDialogs.length) {\n            this._hideNonDialogContentFromAssistiveTechnology();\n        }\n        this.openDialogs.push(dialogRef);\n        dialogRef.afterClosed().subscribe(function () { return _this._removeOpenDialog(dialogRef); });\n        this.afterOpened.next(dialogRef);\n        return dialogRef;\n    };\n    /**\n     * Closes all of the currently-open dialogs.\n     */\n    MatDialog.prototype.closeAll = function () {\n        this._closeDialogs(this.openDialogs);\n    };\n    /**\n     * Finds an open dialog by its id.\n     * @param id ID to use when looking up the dialog.\n     */\n    MatDialog.prototype.getDialogById = function (id) {\n        return this.openDialogs.find(function (dialog) { return dialog.id === id; });\n    };\n    MatDialog.prototype.ngOnDestroy = function () {\n        // Only close the dialogs at this level on destroy\n        // since the parent service may still be active.\n        this._closeDialogs(this._openDialogsAtThisLevel);\n        this._afterAllClosedAtThisLevel.complete();\n        this._afterOpenedAtThisLevel.complete();\n    };\n    /**\n     * Creates the overlay into which the dialog will be loaded.\n     * @param config The dialog configuration.\n     * @returns A promise resolving to the OverlayRef for the created overlay.\n     */\n    MatDialog.prototype._createOverlay = function (config) {\n        var overlayConfig = this._getOverlayConfig(config);\n        return this._overlay.create(overlayConfig);\n    };\n    /**\n     * Creates an overlay config from a dialog config.\n     * @param dialogConfig The dialog configuration.\n     * @returns The overlay configuration.\n     */\n    MatDialog.prototype._getOverlayConfig = function (dialogConfig) {\n        var state = new OverlayConfig({\n            positionStrategy: this._overlay.position().global(),\n            scrollStrategy: dialogConfig.scrollStrategy || this._scrollStrategy(),\n            panelClass: dialogConfig.panelClass,\n            hasBackdrop: dialogConfig.hasBackdrop,\n            direction: dialogConfig.direction,\n            minWidth: dialogConfig.minWidth,\n            minHeight: dialogConfig.minHeight,\n            maxWidth: dialogConfig.maxWidth,\n            maxHeight: dialogConfig.maxHeight,\n            disposeOnNavigation: dialogConfig.closeOnNavigation\n        });\n        if (dialogConfig.backdropClass) {\n            state.backdropClass = dialogConfig.backdropClass;\n        }\n        return state;\n    };\n    /**\n     * Attaches an MatDialogContainer to a dialog's already-created overlay.\n     * @param overlay Reference to the dialog's underlying overlay.\n     * @param config The dialog configuration.\n     * @returns A promise resolving to a ComponentRef for the attached container.\n     */\n    MatDialog.prototype._attachDialogContainer = function (overlay, config) {\n        var userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;\n        var injector = new PortalInjector(userInjector || this._injector, new WeakMap([\n            [MatDialogConfig, config]\n        ]));\n        var containerPortal = new ComponentPortal(MatDialogContainer, config.viewContainerRef, injector, config.componentFactoryResolver);\n        var containerRef = overlay.attach(containerPortal);\n        return containerRef.instance;\n    };\n    /**\n     * Attaches the user-provided component to the already-created MatDialogContainer.\n     * @param componentOrTemplateRef The type of component being loaded into the dialog,\n     *     or a TemplateRef to instantiate as the content.\n     * @param dialogContainer Reference to the wrapping MatDialogContainer.\n     * @param overlayRef Reference to the overlay in which the dialog resides.\n     * @param config The dialog configuration.\n     * @returns A promise resolving to the MatDialogRef that should be returned to the user.\n     */\n    MatDialog.prototype._attachDialogContent = function (componentOrTemplateRef, dialogContainer, overlayRef, config) {\n        // Create a reference to the dialog we're creating in order to give the user a handle\n        // to modify and close it.\n        var dialogRef = new MatDialogRef(overlayRef, dialogContainer, config.id);\n        // When the dialog backdrop is clicked, we want to close it.\n        if (config.hasBackdrop) {\n            overlayRef.backdropClick().subscribe(function () {\n                if (!dialogRef.disableClose) {\n                    dialogRef.close();\n                }\n            });\n        }\n        if (componentOrTemplateRef instanceof TemplateRef) {\n            dialogContainer.attachTemplatePortal(new TemplatePortal(componentOrTemplateRef, null, { $implicit: config.data, dialogRef: dialogRef }));\n        }\n        else {\n            var injector = this._createInjector(config, dialogRef, dialogContainer);\n            var contentRef = dialogContainer.attachComponentPortal(new ComponentPortal(componentOrTemplateRef, config.viewContainerRef, injector));\n            dialogRef.componentInstance = contentRef.instance;\n        }\n        dialogRef\n            .updateSize(config.width, config.height)\n            .updatePosition(config.position);\n        return dialogRef;\n    };\n    /**\n     * Creates a custom injector to be used inside the dialog. This allows a component loaded inside\n     * of a dialog to close itself and, optionally, to return a value.\n     * @param config Config object that is used to construct the dialog.\n     * @param dialogRef Reference to the dialog.\n     * @param container Dialog container element that wraps all of the contents.\n     * @returns The custom injector that can be used inside the dialog.\n     */\n    MatDialog.prototype._createInjector = function (config, dialogRef, dialogContainer) {\n        var userInjector = config && config.viewContainerRef && config.viewContainerRef.injector;\n        // The MatDialogContainer is injected in the portal as the MatDialogContainer and the dialog's\n        // content are created out of the same ViewContainerRef and as such, are siblings for injector\n        // purposes. To allow the hierarchy that is expected, the MatDialogContainer is explicitly\n        // added to the injection tokens.\n        var injectionTokens = new WeakMap([\n            [MatDialogContainer, dialogContainer],\n            [MAT_DIALOG_DATA, config.data],\n            [MatDialogRef, dialogRef]\n        ]);\n        if (config.direction &&\n            (!userInjector || !userInjector.get(Directionality, null))) {\n            injectionTokens.set(Directionality, {\n                value: config.direction,\n                change: of()\n            });\n        }\n        return new PortalInjector(userInjector || this._injector, injectionTokens);\n    };\n    /**\n     * Removes a dialog from the array of open dialogs.\n     * @param dialogRef Dialog to be removed.\n     */\n    MatDialog.prototype._removeOpenDialog = function (dialogRef) {\n        var index = this.openDialogs.indexOf(dialogRef);\n        if (index > -1) {\n            this.openDialogs.splice(index, 1);\n            // If all the dialogs were closed, remove/restore the `aria-hidden`\n            // to a the siblings and emit to the `afterAllClosed` stream.\n            if (!this.openDialogs.length) {\n                this._ariaHiddenElements.forEach(function (previousValue, element) {\n                    if (previousValue) {\n                        element.setAttribute('aria-hidden', previousValue);\n                    }\n                    else {\n                        element.removeAttribute('aria-hidden');\n                    }\n                });\n                this._ariaHiddenElements.clear();\n                this._afterAllClosed.next();\n            }\n        }\n    };\n    /**\n     * Hides all of the content that isn't an overlay from assistive technology.\n     */\n    MatDialog.prototype._hideNonDialogContentFromAssistiveTechnology = function () {\n        var overlayContainer = this._overlayContainer.getContainerElement();\n        // Ensure that the overlay container is attached to the DOM.\n        if (overlayContainer.parentElement) {\n            var siblings = overlayContainer.parentElement.children;\n            for (var i = siblings.length - 1; i > -1; i--) {\n                var sibling = siblings[i];\n                if (sibling !== overlayContainer &&\n                    sibling.nodeName !== 'SCRIPT' &&\n                    sibling.nodeName !== 'STYLE' &&\n                    !sibling.hasAttribute('aria-live')) {\n                    this._ariaHiddenElements.set(sibling, sibling.getAttribute('aria-hidden'));\n                    sibling.setAttribute('aria-hidden', 'true');\n                }\n            }\n        }\n    };\n    /** Closes all of the dialogs in an array. */\n    MatDialog.prototype._closeDialogs = function (dialogs) {\n        var i = dialogs.length;\n        while (i--) {\n            // The `_openDialogs` property isn't updated after close until the rxjs subscription\n            // runs on the next microtask, in addition to modifying the array as we're going\n            // through it. We loop through all of them and call close without assuming that\n            // they'll be removed from the list instantaneously.\n            dialogs[i].close();\n        }\n    };\n    MatDialog.decorators = [\n        { type: Injectable }\n    ];\n    /** @nocollapse */\n    MatDialog.ctorParameters = function () { return [\n        { type: Overlay },\n        { type: Injector },\n        { type: Location, decorators: [{ type: Optional }] },\n        { type: MatDialogConfig, decorators: [{ type: Optional }, { type: Inject, args: [MAT_DIALOG_DEFAULT_OPTIONS,] }] },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_DIALOG_SCROLL_STRATEGY,] }] },\n        { type: MatDialog, decorators: [{ type: Optional }, { type: SkipSelf }] },\n        { type: OverlayContainer }\n    ]; };\n    return MatDialog;\n}());\n/**\n * Applies default options to the dialog config.\n * @param config Config to be modified.\n * @param defaultOptions Default options provided.\n * @returns The new configuration object.\n */\nfunction _applyConfigDefaults(config, defaultOptions) {\n    return __assign(__assign({}, defaultOptions), config);\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Counter used to generate unique IDs for dialog elements. */\nvar dialogElementUid = 0;\n/**\n * Button that will close the current dialog.\n */\nvar MatDialogClose = /** @class */ (function () {\n    function MatDialogClose(dialogRef, _elementRef, _dialog) {\n        this.dialogRef = dialogRef;\n        this._elementRef = _elementRef;\n        this._dialog = _dialog;\n        /** Default to \"button\" to prevents accidental form submits. */\n        this.type = 'button';\n    }\n    MatDialogClose.prototype.ngOnInit = function () {\n        if (!this.dialogRef) {\n            // When this directive is included in a dialog via TemplateRef (rather than being\n            // in a Component), the DialogRef isn't available via injection because embedded\n            // views cannot be given a custom injector. Instead, we look up the DialogRef by\n            // ID. This must occur in `onInit`, as the ID binding for the dialog container won't\n            // be resolved at constructor time.\n            this.dialogRef = getClosestDialog(this._elementRef, this._dialog.openDialogs);\n        }\n    };\n    MatDialogClose.prototype.ngOnChanges = function (changes) {\n        var proxiedChange = changes['_matDialogClose'] || changes['_matDialogCloseResult'];\n        if (proxiedChange) {\n            this.dialogResult = proxiedChange.currentValue;\n        }\n    };\n    MatDialogClose.decorators = [\n        { type: Directive, args: [{\n                    selector: '[mat-dialog-close], [matDialogClose]',\n                    exportAs: 'matDialogClose',\n                    host: {\n                        '(click)': 'dialogRef.close(dialogResult)',\n                        '[attr.aria-label]': 'ariaLabel || null',\n                        '[attr.type]': 'type',\n                    }\n                },] }\n    ];\n    /** @nocollapse */\n    MatDialogClose.ctorParameters = function () { return [\n        { type: MatDialogRef, decorators: [{ type: Optional }] },\n        { type: ElementRef },\n        { type: MatDialog }\n    ]; };\n    MatDialogClose.propDecorators = {\n        ariaLabel: [{ type: Input, args: ['aria-label',] }],\n        type: [{ type: Input }],\n        dialogResult: [{ type: Input, args: ['mat-dialog-close',] }],\n        _matDialogClose: [{ type: Input, args: ['matDialogClose',] }]\n    };\n    return MatDialogClose;\n}());\n/**\n * Title of a dialog element. Stays fixed to the top of the dialog when scrolling.\n */\nvar MatDialogTitle = /** @class */ (function () {\n    function MatDialogTitle(_dialogRef, _elementRef, _dialog) {\n        this._dialogRef = _dialogRef;\n        this._elementRef = _elementRef;\n        this._dialog = _dialog;\n        this.id = \"mat-dialog-title-\" + dialogElementUid++;\n    }\n    MatDialogTitle.prototype.ngOnInit = function () {\n        var _this = this;\n        if (!this._dialogRef) {\n            this._dialogRef = getClosestDialog(this._elementRef, this._dialog.openDialogs);\n        }\n        if (this._dialogRef) {\n            Promise.resolve().then(function () {\n                var container = _this._dialogRef._containerInstance;\n                if (container && !container._ariaLabelledBy) {\n                    container._ariaLabelledBy = _this.id;\n                }\n            });\n        }\n    };\n    MatDialogTitle.decorators = [\n        { type: Directive, args: [{\n                    selector: '[mat-dialog-title], [matDialogTitle]',\n                    exportAs: 'matDialogTitle',\n                    host: {\n                        'class': 'mat-dialog-title',\n                        '[id]': 'id',\n                    },\n                },] }\n    ];\n    /** @nocollapse */\n    MatDialogTitle.ctorParameters = function () { return [\n        { type: MatDialogRef, decorators: [{ type: Optional }] },\n        { type: ElementRef },\n        { type: MatDialog }\n    ]; };\n    MatDialogTitle.propDecorators = {\n        id: [{ type: Input }]\n    };\n    return MatDialogTitle;\n}());\n/**\n * Scrollable content container of a dialog.\n */\nvar MatDialogContent = /** @class */ (function () {\n    function MatDialogContent() {\n    }\n    MatDialogContent.decorators = [\n        { type: Directive, args: [{\n                    selector: \"[mat-dialog-content], mat-dialog-content, [matDialogContent]\",\n                    host: { 'class': 'mat-dialog-content' }\n                },] }\n    ];\n    return MatDialogContent;\n}());\n/**\n * Container for the bottom action buttons in a dialog.\n * Stays fixed to the bottom when scrolling.\n */\nvar MatDialogActions = /** @class */ (function () {\n    function MatDialogActions() {\n    }\n    MatDialogActions.decorators = [\n        { type: Directive, args: [{\n                    selector: \"[mat-dialog-actions], mat-dialog-actions, [matDialogActions]\",\n                    host: { 'class': 'mat-dialog-actions' }\n                },] }\n    ];\n    return MatDialogActions;\n}());\n/**\n * Finds the closest MatDialogRef to an element by looking at the DOM.\n * @param element Element relative to which to look for a dialog.\n * @param openDialogs References to the currently-open dialogs.\n */\nfunction getClosestDialog(element, openDialogs) {\n    var parent = element.nativeElement.parentElement;\n    while (parent && !parent.classList.contains('mat-dialog-container')) {\n        parent = parent.parentElement;\n    }\n    return parent ? openDialogs.find(function (dialog) { return dialog.id === parent.id; }) : null;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatDialogModule = /** @class */ (function () {\n    function MatDialogModule() {\n    }\n    MatDialogModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [\n                        CommonModule,\n                        OverlayModule,\n                        PortalModule,\n                        MatCommonModule,\n                    ],\n                    exports: [\n                        MatDialogContainer,\n                        MatDialogClose,\n                        MatDialogTitle,\n                        MatDialogContent,\n                        MatDialogActions,\n                        MatCommonModule,\n                    ],\n                    declarations: [\n                        MatDialogContainer,\n                        MatDialogClose,\n                        MatDialogTitle,\n                        MatDialogActions,\n                        MatDialogContent,\n                    ],\n                    providers: [\n                        MatDialog,\n                        MAT_DIALOG_SCROLL_STRATEGY_PROVIDER,\n                    ],\n                    entryComponents: [MatDialogContainer],\n                },] }\n    ];\n    return MatDialogModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MAT_DIALOG_DATA, MAT_DIALOG_DEFAULT_OPTIONS, MAT_DIALOG_SCROLL_STRATEGY, MAT_DIALOG_SCROLL_STRATEGY_FACTORY, MAT_DIALOG_SCROLL_STRATEGY_PROVIDER, MAT_DIALOG_SCROLL_STRATEGY_PROVIDER_FACTORY, MatDialog, MatDialogActions, MatDialogClose, MatDialogConfig, MatDialogContainer, MatDialogContent, MatDialogModule, MatDialogRef, MatDialogTitle, matDialogAnimations, throwMatDialogContentAlreadyAttachedError };\n","/* build: `node build.js modules=ALL exclude=gestures,accessors,erasing requirejs minifier=uglifyjs` */\n/*! Fabric.js Copyright 2008-2015, Printio (Juriy Zaytsev, Maxim Chernyak) */\n\nvar fabric = fabric || { version: '4.5.1' };\nif (typeof exports !== 'undefined') {\n  exports.fabric = fabric;\n}\n/* _AMD_START_ */\nelse if (typeof define === 'function' && define.amd) {\n  define([], function() { return fabric; });\n}\n/* _AMD_END_ */\nif (typeof document !== 'undefined' && typeof window !== 'undefined') {\n  if (document instanceof (typeof HTMLDocument !== 'undefined' ? HTMLDocument : Document)) {\n    fabric.document = document;\n  }\n  else {\n    fabric.document = document.implementation.createHTMLDocument('');\n  }\n  fabric.window = window;\n}\nelse {\n  // assume we're running under node.js when document/window are not present\n  var jsdom = require('jsdom');\n  var virtualWindow = new jsdom.JSDOM(\n    decodeURIComponent('%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E'),\n    {\n      features: {\n        FetchExternalResources: ['img']\n      },\n      resources: 'usable'\n    }).window;\n  fabric.document = virtualWindow.document;\n  fabric.jsdomImplForWrapper = require('jsdom/lib/jsdom/living/generated/utils').implForWrapper;\n  fabric.nodeCanvas = require('jsdom/lib/jsdom/utils').Canvas;\n  fabric.window = virtualWindow;\n  DOMParser = fabric.window.DOMParser;\n}\n\n/**\n * True when in environment that supports touch events\n * @type boolean\n */\nfabric.isTouchSupported = 'ontouchstart' in fabric.window || 'ontouchstart' in fabric.document ||\n  (fabric.window && fabric.window.navigator && fabric.window.navigator.maxTouchPoints > 0);\n\n/**\n * True when in environment that's probably Node.js\n * @type boolean\n */\nfabric.isLikelyNode = typeof Buffer !== 'undefined' &&\n                      typeof window === 'undefined';\n\n/* _FROM_SVG_START_ */\n/**\n * Attributes parsed from all SVG elements\n * @type array\n */\nfabric.SHARED_ATTRIBUTES = [\n  'display',\n  'transform',\n  'fill', 'fill-opacity', 'fill-rule',\n  'opacity',\n  'stroke', 'stroke-dasharray', 'stroke-linecap', 'stroke-dashoffset',\n  'stroke-linejoin', 'stroke-miterlimit',\n  'stroke-opacity', 'stroke-width',\n  'id', 'paint-order', 'vector-effect',\n  'instantiated_by_use', 'clip-path',\n];\n/* _FROM_SVG_END_ */\n\n/**\n * Pixel per Inch as a default value set to 96. Can be changed for more realistic conversion.\n */\nfabric.DPI = 96;\nfabric.reNum = '(?:[-+]?(?:\\\\d+|\\\\d*\\\\.\\\\d+)(?:[eE][-+]?\\\\d+)?)';\nfabric.commaWsp = '(?:\\\\s+,?\\\\s*|,\\\\s*)';\nfabric.rePathCommand = /([-+]?((\\d+\\.\\d+)|((\\d+)|(\\.\\d+)))(?:[eE][-+]?\\d+)?)/ig;\nfabric.reNonWord = /[ \\n\\.,;!\\?\\-]/;\nfabric.fontPaths = { };\nfabric.iMatrix = [1, 0, 0, 1, 0, 0];\nfabric.svgNS = 'http://www.w3.org/2000/svg';\n\n/**\n * Pixel limit for cache canvases. 1Mpx , 4Mpx should be fine.\n * @since 1.7.14\n * @type Number\n * @default\n */\nfabric.perfLimitSizeTotal = 2097152;\n\n/**\n * Pixel limit for cache canvases width or height. IE fixes the maximum at 5000\n * @since 1.7.14\n * @type Number\n * @default\n */\nfabric.maxCacheSideLimit = 4096;\n\n/**\n * Lowest pixel limit for cache canvases, set at 256PX\n * @since 1.7.14\n * @type Number\n * @default\n */\nfabric.minCacheSideLimit = 256;\n\n/**\n * Cache Object for widths of chars in text rendering.\n */\nfabric.charWidthsCache = { };\n\n/**\n * if webgl is enabled and available, textureSize will determine the size\n * of the canvas backend\n * @since 2.0.0\n * @type Number\n * @default\n */\nfabric.textureSize = 2048;\n\n/**\n * When 'true', style information is not retained when copy/pasting text, making\n * pasted text use destination style.\n * Defaults to 'false'.\n * @type Boolean\n * @default\n */\nfabric.disableStyleCopyPaste = false;\n\n/**\n * Enable webgl for filtering picture is available\n * A filtering backend will be initialized, this will both take memory and\n * time since a default 2048x2048 canvas will be created for the gl context\n * @since 2.0.0\n * @type Boolean\n * @default\n */\nfabric.enableGLFiltering = true;\n\n/**\n * Device Pixel Ratio\n * @see https://developer.apple.com/library/safari/documentation/AudioVideo/Conceptual/HTML-canvas-guide/SettingUptheCanvas/SettingUptheCanvas.html\n */\nfabric.devicePixelRatio = fabric.window.devicePixelRatio ||\n                          fabric.window.webkitDevicePixelRatio ||\n                          fabric.window.mozDevicePixelRatio ||\n                          1;\n/**\n * Browser-specific constant to adjust CanvasRenderingContext2D.shadowBlur value,\n * which is unitless and not rendered equally across browsers.\n *\n * Values that work quite well (as of October 2017) are:\n * - Chrome: 1.5\n * - Edge: 1.75\n * - Firefox: 0.9\n * - Safari: 0.95\n *\n * @since 2.0.0\n * @type Number\n * @default 1\n */\nfabric.browserShadowBlurConstant = 1;\n\n/**\n * This object contains the result of arc to bezier conversion for faster retrieving if the same arc needs to be converted again.\n * It was an internal variable, is accessible since version 2.3.4\n */\nfabric.arcToSegmentsCache = { };\n\n/**\n * This object keeps the results of the boundsOfCurve calculation mapped by the joined arguments necessary to calculate it.\n * It does speed up calculation, if you parse and add always the same paths, but in case of heavy usage of freedrawing\n * you do not get any speed benefit and you get a big object in memory.\n * The object was a private variable before, while now is appended to the lib so that you have access to it and you\n * can eventually clear it.\n * It was an internal variable, is accessible since version 2.3.4\n */\nfabric.boundsOfCurveCache = { };\n\n/**\n * If disabled boundsOfCurveCache is not used. For apps that make heavy usage of pencil drawing probably disabling it is better\n * @default true\n */\nfabric.cachesBoundsOfCurve = true;\n\n/**\n * Skip performance testing of setupGLContext and force the use of putImageData that seems to be the one that works best on\n * Chrome + old hardware. if your users are experiencing empty images after filtering you may try to force this to true\n * this has to be set before instantiating the filtering backend ( before filtering the first image )\n * @type Boolean\n * @default false\n */\nfabric.forceGLPutImageData = false;\n\nfabric.initFilterBackend = function() {\n  if (fabric.enableGLFiltering && fabric.isWebglSupported && fabric.isWebglSupported(fabric.textureSize)) {\n    console.log('max texture size: ' + fabric.maxTextureSize);\n    return (new fabric.WebglFilterBackend({ tileSize: fabric.textureSize }));\n  }\n  else if (fabric.Canvas2dFilterBackend) {\n    return (new fabric.Canvas2dFilterBackend());\n  }\n};\n\n\nif (typeof document !== 'undefined' && typeof window !== 'undefined') {\n  // ensure globality even if entire library were function wrapped (as in Meteor.js packaging system)\n  window.fabric = fabric;\n}\n\n\n(function() {\n\n  /**\n   * @private\n   * @param {String} eventName\n   * @param {Function} handler\n   */\n  function _removeEventListener(eventName, handler) {\n    if (!this.__eventListeners[eventName]) {\n      return;\n    }\n    var eventListener = this.__eventListeners[eventName];\n    if (handler) {\n      eventListener[eventListener.indexOf(handler)] = false;\n    }\n    else {\n      fabric.util.array.fill(eventListener, false);\n    }\n  }\n\n  /**\n   * Observes specified event\n   * @memberOf fabric.Observable\n   * @alias on\n   * @param {String|Object} eventName Event name (eg. 'after:render') or object with key/value pairs (eg. {'after:render': handler, 'selection:cleared': handler})\n   * @param {Function} handler Function that receives a notification when an event of the specified type occurs\n   * @return {Self} thisArg\n   * @chainable\n   */\n  function on(eventName, handler) {\n    if (!this.__eventListeners) {\n      this.__eventListeners = { };\n    }\n    // one object with key/value pairs was passed\n    if (arguments.length === 1) {\n      for (var prop in eventName) {\n        this.on(prop, eventName[prop]);\n      }\n    }\n    else {\n      if (!this.__eventListeners[eventName]) {\n        this.__eventListeners[eventName] = [];\n      }\n      this.__eventListeners[eventName].push(handler);\n    }\n    return this;\n  }\n\n  /**\n   * Stops event observing for a particular event handler. Calling this method\n   * without arguments removes all handlers for all events\n   * @memberOf fabric.Observable\n   * @alias off\n   * @param {String|Object} eventName Event name (eg. 'after:render') or object with key/value pairs (eg. {'after:render': handler, 'selection:cleared': handler})\n   * @param {Function} handler Function to be deleted from EventListeners\n   * @return {Self} thisArg\n   * @chainable\n   */\n  function off(eventName, handler) {\n    if (!this.__eventListeners) {\n      return this;\n    }\n\n    // remove all key/value pairs (event name -> event handler)\n    if (arguments.length === 0) {\n      for (eventName in this.__eventListeners) {\n        _removeEventListener.call(this, eventName);\n      }\n    }\n    // one object with key/value pairs was passed\n    else if (arguments.length === 1 && typeof arguments[0] === 'object') {\n      for (var prop in eventName) {\n        _removeEventListener.call(this, prop, eventName[prop]);\n      }\n    }\n    else {\n      _removeEventListener.call(this, eventName, handler);\n    }\n    return this;\n  }\n\n  /**\n   * Fires event with an optional options object\n   * @memberOf fabric.Observable\n   * @param {String} eventName Event name to fire\n   * @param {Object} [options] Options object\n   * @return {Self} thisArg\n   * @chainable\n   */\n  function fire(eventName, options) {\n    if (!this.__eventListeners) {\n      return this;\n    }\n\n    var listenersForEvent = this.__eventListeners[eventName];\n    if (!listenersForEvent) {\n      return this;\n    }\n\n    for (var i = 0, len = listenersForEvent.length; i < len; i++) {\n      listenersForEvent[i] && listenersForEvent[i].call(this, options || { });\n    }\n    this.__eventListeners[eventName] = listenersForEvent.filter(function(value) {\n      return value !== false;\n    });\n    return this;\n  }\n\n  /**\n   * @namespace fabric.Observable\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-2#events}\n   * @see {@link http://fabricjs.com/events|Events demo}\n   */\n  fabric.Observable = {\n    fire: fire,\n    on: on,\n    off: off,\n  };\n})();\n\n\n/**\n * @namespace fabric.Collection\n */\nfabric.Collection = {\n\n  _objects: [],\n\n  /**\n   * Adds objects to collection, Canvas or Group, then renders canvas\n   * (if `renderOnAddRemove` is not `false`).\n   * in case of Group no changes to bounding box are made.\n   * Objects should be instances of (or inherit from) fabric.Object\n   * Use of this function is highly discouraged for groups.\n   * you can add a bunch of objects with the add method but then you NEED\n   * to run a addWithUpdate call for the Group class or position/bbox will be wrong.\n   * @param {...fabric.Object} object Zero or more fabric instances\n   * @return {Self} thisArg\n   * @chainable\n   */\n  add: function () {\n    this._objects.push.apply(this._objects, arguments);\n    if (this._onObjectAdded) {\n      for (var i = 0, length = arguments.length; i < length; i++) {\n        this._onObjectAdded(arguments[i]);\n      }\n    }\n    this.renderOnAddRemove && this.requestRenderAll();\n    return this;\n  },\n\n  /**\n   * Inserts an object into collection at specified index, then renders canvas (if `renderOnAddRemove` is not `false`)\n   * An object should be an instance of (or inherit from) fabric.Object\n   * Use of this function is highly discouraged for groups.\n   * you can add a bunch of objects with the insertAt method but then you NEED\n   * to run a addWithUpdate call for the Group class or position/bbox will be wrong.\n   * @param {Object} object Object to insert\n   * @param {Number} index Index to insert object at\n   * @param {Boolean} nonSplicing When `true`, no splicing (shifting) of objects occurs\n   * @return {Self} thisArg\n   * @chainable\n   */\n  insertAt: function (object, index, nonSplicing) {\n    var objects = this._objects;\n    if (nonSplicing) {\n      objects[index] = object;\n    }\n    else {\n      objects.splice(index, 0, object);\n    }\n    this._onObjectAdded && this._onObjectAdded(object);\n    this.renderOnAddRemove && this.requestRenderAll();\n    return this;\n  },\n\n  /**\n   * Removes objects from a collection, then renders canvas (if `renderOnAddRemove` is not `false`)\n   * @param {...fabric.Object} object Zero or more fabric instances\n   * @return {Self} thisArg\n   * @chainable\n   */\n  remove: function() {\n    var objects = this._objects,\n        index, somethingRemoved = false;\n\n    for (var i = 0, length = arguments.length; i < length; i++) {\n      index = objects.indexOf(arguments[i]);\n\n      // only call onObjectRemoved if an object was actually removed\n      if (index !== -1) {\n        somethingRemoved = true;\n        objects.splice(index, 1);\n        this._onObjectRemoved && this._onObjectRemoved(arguments[i]);\n      }\n    }\n\n    this.renderOnAddRemove && somethingRemoved && this.requestRenderAll();\n    return this;\n  },\n\n  /**\n   * Executes given function for each object in this group\n   * @param {Function} callback\n   *                   Callback invoked with current object as first argument,\n   *                   index - as second and an array of all objects - as third.\n   *                   Callback is invoked in a context of Global Object (e.g. `window`)\n   *                   when no `context` argument is given\n   *\n   * @param {Object} context Context (aka thisObject)\n   * @return {Self} thisArg\n   * @chainable\n   */\n  forEachObject: function(callback, context) {\n    var objects = this.getObjects();\n    for (var i = 0, len = objects.length; i < len; i++) {\n      callback.call(context, objects[i], i, objects);\n    }\n    return this;\n  },\n\n  /**\n   * Returns an array of children objects of this instance\n   * Type parameter introduced in 1.3.10\n   * since 2.3.5 this method return always a COPY of the array;\n   * @param {String} [type] When specified, only objects of this type are returned\n   * @return {Array}\n   */\n  getObjects: function(type) {\n    if (typeof type === 'undefined') {\n      return this._objects.concat();\n    }\n    return this._objects.filter(function(o) {\n      return o.type === type;\n    });\n  },\n\n  /**\n   * Returns object at specified index\n   * @param {Number} index\n   * @return {Self} thisArg\n   */\n  item: function (index) {\n    return this._objects[index];\n  },\n\n  /**\n   * Returns true if collection contains no objects\n   * @return {Boolean} true if collection is empty\n   */\n  isEmpty: function () {\n    return this._objects.length === 0;\n  },\n\n  /**\n   * Returns a size of a collection (i.e: length of an array containing its objects)\n   * @return {Number} Collection size\n   */\n  size: function() {\n    return this._objects.length;\n  },\n\n  /**\n   * Returns true if collection contains an object\n   * @param {Object} object Object to check against\n   * @return {Boolean} `true` if collection contains an object\n   */\n  contains: function(object) {\n    return this._objects.indexOf(object) > -1;\n  },\n\n  /**\n   * Returns number representation of a collection complexity\n   * @return {Number} complexity\n   */\n  complexity: function () {\n    return this._objects.reduce(function (memo, current) {\n      memo += current.complexity ? current.complexity() : 0;\n      return memo;\n    }, 0);\n  }\n};\n\n\n/**\n * @namespace fabric.CommonMethods\n */\nfabric.CommonMethods = {\n\n  /**\n   * Sets object's properties from options\n   * @param {Object} [options] Options object\n   */\n  _setOptions: function(options) {\n    for (var prop in options) {\n      this.set(prop, options[prop]);\n    }\n  },\n\n  /**\n   * @private\n   * @param {Object} [filler] Options object\n   * @param {String} [property] property to set the Gradient to\n   */\n  _initGradient: function(filler, property) {\n    if (filler && filler.colorStops && !(filler instanceof fabric.Gradient)) {\n      this.set(property, new fabric.Gradient(filler));\n    }\n  },\n\n  /**\n   * @private\n   * @param {Object} [filler] Options object\n   * @param {String} [property] property to set the Pattern to\n   * @param {Function} [callback] callback to invoke after pattern load\n   */\n  _initPattern: function(filler, property, callback) {\n    if (filler && filler.source && !(filler instanceof fabric.Pattern)) {\n      this.set(property, new fabric.Pattern(filler, callback));\n    }\n    else {\n      callback && callback();\n    }\n  },\n\n  /**\n   * @private\n   */\n  _setObject: function(obj) {\n    for (var prop in obj) {\n      this._set(prop, obj[prop]);\n    }\n  },\n\n  /**\n   * Sets property to a given value. When changing position/dimension -related properties (left, top, scale, angle, etc.) `set` does not update position of object's borders/controls. If you need to update those, call `setCoords()`.\n   * @param {String|Object} key Property name or object (if object, iterate over the object properties)\n   * @param {Object|Function} value Property value (if function, the value is passed into it and its return value is used as a new one)\n   * @return {fabric.Object} thisArg\n   * @chainable\n   */\n  set: function(key, value) {\n    if (typeof key === 'object') {\n      this._setObject(key);\n    }\n    else {\n      this._set(key, value);\n    }\n    return this;\n  },\n\n  _set: function(key, value) {\n    this[key] = value;\n  },\n\n  /**\n   * Toggles specified property from `true` to `false` or from `false` to `true`\n   * @param {String} property Property to toggle\n   * @return {fabric.Object} thisArg\n   * @chainable\n   */\n  toggle: function(property) {\n    var value = this.get(property);\n    if (typeof value === 'boolean') {\n      this.set(property, !value);\n    }\n    return this;\n  },\n\n  /**\n   * Basic getter\n   * @param {String} property Property name\n   * @return {*} value of a property\n   */\n  get: function(property) {\n    return this[property];\n  }\n};\n\n\n(function(global) {\n\n  var sqrt = Math.sqrt,\n      atan2 = Math.atan2,\n      pow = Math.pow,\n      PiBy180 = Math.PI / 180,\n      PiBy2 = Math.PI / 2;\n\n  /**\n   * @namespace fabric.util\n   */\n  fabric.util = {\n\n    /**\n     * Calculate the cos of an angle, avoiding returning floats for known results\n     * @static\n     * @memberOf fabric.util\n     * @param {Number} angle the angle in radians or in degree\n     * @return {Number}\n     */\n    cos: function(angle) {\n      if (angle === 0) { return 1; }\n      if (angle < 0) {\n        // cos(a) = cos(-a)\n        angle = -angle;\n      }\n      var angleSlice = angle / PiBy2;\n      switch (angleSlice) {\n        case 1: case 3: return 0;\n        case 2: return -1;\n      }\n      return Math.cos(angle);\n    },\n\n    /**\n     * Calculate the sin of an angle, avoiding returning floats for known results\n     * @static\n     * @memberOf fabric.util\n     * @param {Number} angle the angle in radians or in degree\n     * @return {Number}\n     */\n    sin: function(angle) {\n      if (angle === 0) { return 0; }\n      var angleSlice = angle / PiBy2, sign = 1;\n      if (angle < 0) {\n        // sin(-a) = -sin(a)\n        sign = -1;\n      }\n      switch (angleSlice) {\n        case 1: return sign;\n        case 2: return 0;\n        case 3: return -sign;\n      }\n      return Math.sin(angle);\n    },\n\n    /**\n     * Removes value from an array.\n     * Presence of value (and its position in an array) is determined via `Array.prototype.indexOf`\n     * @static\n     * @memberOf fabric.util\n     * @param {Array} array\n     * @param {*} value\n     * @return {Array} original array\n     */\n    removeFromArray: function(array, value) {\n      var idx = array.indexOf(value);\n      if (idx !== -1) {\n        array.splice(idx, 1);\n      }\n      return array;\n    },\n\n    /**\n     * Returns random number between 2 specified ones.\n     * @static\n     * @memberOf fabric.util\n     * @param {Number} min lower limit\n     * @param {Number} max upper limit\n     * @return {Number} random value (between min and max)\n     */\n    getRandomInt: function(min, max) {\n      return Math.floor(Math.random() * (max - min + 1)) + min;\n    },\n\n    /**\n     * Transforms degrees to radians.\n     * @static\n     * @memberOf fabric.util\n     * @param {Number} degrees value in degrees\n     * @return {Number} value in radians\n     */\n    degreesToRadians: function(degrees) {\n      return degrees * PiBy180;\n    },\n\n    /**\n     * Transforms radians to degrees.\n     * @static\n     * @memberOf fabric.util\n     * @param {Number} radians value in radians\n     * @return {Number} value in degrees\n     */\n    radiansToDegrees: function(radians) {\n      return radians / PiBy180;\n    },\n\n    /**\n     * Rotates `point` around `origin` with `radians`\n     * @static\n     * @memberOf fabric.util\n     * @param {fabric.Point} point The point to rotate\n     * @param {fabric.Point} origin The origin of the rotation\n     * @param {Number} radians The radians of the angle for the rotation\n     * @return {fabric.Point} The new rotated point\n     */\n    rotatePoint: function(point, origin, radians) {\n      var newPoint = new fabric.Point(point.x - origin.x, point.y - origin.y),\n          v = fabric.util.rotateVector(newPoint, radians);\n      return new fabric.Point(v.x, v.y).addEquals(origin);\n    },\n\n    /**\n     * Rotates `vector` with `radians`\n     * @static\n     * @memberOf fabric.util\n     * @param {Object} vector The vector to rotate (x and y)\n     * @param {Number} radians The radians of the angle for the rotation\n     * @return {Object} The new rotated point\n     */\n    rotateVector: function(vector, radians) {\n      var sin = fabric.util.sin(radians),\n          cos = fabric.util.cos(radians),\n          rx = vector.x * cos - vector.y * sin,\n          ry = vector.x * sin + vector.y * cos;\n      return {\n        x: rx,\n        y: ry\n      };\n    },\n\n    /**\n     * Apply transform t to point p\n     * @static\n     * @memberOf fabric.util\n     * @param  {fabric.Point} p The point to transform\n     * @param  {Array} t The transform\n     * @param  {Boolean} [ignoreOffset] Indicates that the offset should not be applied\n     * @return {fabric.Point} The transformed point\n     */\n    transformPoint: function(p, t, ignoreOffset) {\n      if (ignoreOffset) {\n        return new fabric.Point(\n          t[0] * p.x + t[2] * p.y,\n          t[1] * p.x + t[3] * p.y\n        );\n      }\n      return new fabric.Point(\n        t[0] * p.x + t[2] * p.y + t[4],\n        t[1] * p.x + t[3] * p.y + t[5]\n      );\n    },\n\n    /**\n     * Returns coordinates of points's bounding rectangle (left, top, width, height)\n     * @param {Array} points 4 points array\n     * @param {Array} [transform] an array of 6 numbers representing a 2x3 transform matrix\n     * @return {Object} Object with left, top, width, height properties\n     */\n    makeBoundingBoxFromPoints: function(points, transform) {\n      if (transform) {\n        for (var i = 0; i < points.length; i++) {\n          points[i] = fabric.util.transformPoint(points[i], transform);\n        }\n      }\n      var xPoints = [points[0].x, points[1].x, points[2].x, points[3].x],\n          minX = fabric.util.array.min(xPoints),\n          maxX = fabric.util.array.max(xPoints),\n          width = maxX - minX,\n          yPoints = [points[0].y, points[1].y, points[2].y, points[3].y],\n          minY = fabric.util.array.min(yPoints),\n          maxY = fabric.util.array.max(yPoints),\n          height = maxY - minY;\n\n      return {\n        left: minX,\n        top: minY,\n        width: width,\n        height: height\n      };\n    },\n\n    /**\n     * Invert transformation t\n     * @static\n     * @memberOf fabric.util\n     * @param {Array} t The transform\n     * @return {Array} The inverted transform\n     */\n    invertTransform: function(t) {\n      var a = 1 / (t[0] * t[3] - t[1] * t[2]),\n          r = [a * t[3], -a * t[1], -a * t[2], a * t[0]],\n          o = fabric.util.transformPoint({ x: t[4], y: t[5] }, r, true);\n      r[4] = -o.x;\n      r[5] = -o.y;\n      return r;\n    },\n\n    /**\n     * A wrapper around Number#toFixed, which contrary to native method returns number, not string.\n     * @static\n     * @memberOf fabric.util\n     * @param {Number|String} number number to operate on\n     * @param {Number} fractionDigits number of fraction digits to \"leave\"\n     * @return {Number}\n     */\n    toFixed: function(number, fractionDigits) {\n      return parseFloat(Number(number).toFixed(fractionDigits));\n    },\n\n    /**\n     * Converts from attribute value to pixel value if applicable.\n     * Returns converted pixels or original value not converted.\n     * @param {Number|String} value number to operate on\n     * @param {Number} fontSize\n     * @return {Number|String}\n     */\n    parseUnit: function(value, fontSize) {\n      var unit = /\\D{0,2}$/.exec(value),\n          number = parseFloat(value);\n      if (!fontSize) {\n        fontSize = fabric.Text.DEFAULT_SVG_FONT_SIZE;\n      }\n      switch (unit[0]) {\n        case 'mm':\n          return number * fabric.DPI / 25.4;\n\n        case 'cm':\n          return number * fabric.DPI / 2.54;\n\n        case 'in':\n          return number * fabric.DPI;\n\n        case 'pt':\n          return number * fabric.DPI / 72; // or * 4 / 3\n\n        case 'pc':\n          return number * fabric.DPI / 72 * 12; // or * 16\n\n        case 'em':\n          return number * fontSize;\n\n        default:\n          return number;\n      }\n    },\n\n    /**\n     * Function which always returns `false`.\n     * @static\n     * @memberOf fabric.util\n     * @return {Boolean}\n     */\n    falseFunction: function() {\n      return false;\n    },\n\n    /**\n     * Returns klass \"Class\" object of given namespace\n     * @memberOf fabric.util\n     * @param {String} type Type of object (eg. 'circle')\n     * @param {String} namespace Namespace to get klass \"Class\" object from\n     * @return {Object} klass \"Class\"\n     */\n    getKlass: function(type, namespace) {\n      // capitalize first letter only\n      type = fabric.util.string.camelize(type.charAt(0).toUpperCase() + type.slice(1));\n      return fabric.util.resolveNamespace(namespace)[type];\n    },\n\n    /**\n     * Returns array of attributes for given svg that fabric parses\n     * @memberOf fabric.util\n     * @param {String} type Type of svg element (eg. 'circle')\n     * @return {Array} string names of supported attributes\n     */\n    getSvgAttributes: function(type) {\n      var attributes = [\n        'instantiated_by_use',\n        'style',\n        'id',\n        'class'\n      ];\n      switch (type) {\n        case 'linearGradient':\n          attributes = attributes.concat(['x1', 'y1', 'x2', 'y2', 'gradientUnits', 'gradientTransform']);\n          break;\n        case 'radialGradient':\n          attributes = attributes.concat(['gradientUnits', 'gradientTransform', 'cx', 'cy', 'r', 'fx', 'fy', 'fr']);\n          break;\n        case 'stop':\n          attributes = attributes.concat(['offset', 'stop-color', 'stop-opacity']);\n          break;\n      }\n      return attributes;\n    },\n\n    /**\n     * Returns object of given namespace\n     * @memberOf fabric.util\n     * @param {String} namespace Namespace string e.g. 'fabric.Image.filter' or 'fabric'\n     * @return {Object} Object for given namespace (default fabric)\n     */\n    resolveNamespace: function(namespace) {\n      if (!namespace) {\n        return fabric;\n      }\n\n      var parts = namespace.split('.'),\n          len = parts.length, i,\n          obj = global || fabric.window;\n\n      for (i = 0; i < len; ++i) {\n        obj = obj[parts[i]];\n      }\n\n      return obj;\n    },\n\n    /**\n     * Loads image element from given url and passes it to a callback\n     * @memberOf fabric.util\n     * @param {String} url URL representing an image\n     * @param {Function} callback Callback; invoked with loaded image\n     * @param {*} [context] Context to invoke callback in\n     * @param {Object} [crossOrigin] crossOrigin value to set image element to\n     */\n    loadImage: function(url, callback, context, crossOrigin) {\n      if (!url) {\n        callback && callback.call(context, url);\n        return;\n      }\n\n      var img = fabric.util.createImage();\n\n      /** @ignore */\n      var onLoadCallback = function () {\n        callback && callback.call(context, img, false);\n        img = img.onload = img.onerror = null;\n      };\n\n      img.onload = onLoadCallback;\n      /** @ignore */\n      img.onerror = function() {\n        fabric.log('Error loading ' + img.src);\n        callback && callback.call(context, null, true);\n        img = img.onload = img.onerror = null;\n      };\n\n      // data-urls appear to be buggy with crossOrigin\n      // https://github.com/kangax/fabric.js/commit/d0abb90f1cd5c5ef9d2a94d3fb21a22330da3e0a#commitcomment-4513767\n      // see https://code.google.com/p/chromium/issues/detail?id=315152\n      //     https://bugzilla.mozilla.org/show_bug.cgi?id=935069\n      // crossOrigin null is the same as not set.\n      if (url.indexOf('data') !== 0 &&\n        crossOrigin !== undefined &&\n        crossOrigin !== null) {\n        img.crossOrigin = crossOrigin;\n      }\n\n      // IE10 / IE11-Fix: SVG contents from data: URI\n      // will only be available if the IMG is present\n      // in the DOM (and visible)\n      if (url.substring(0,14) === 'data:image/svg') {\n        img.onload = null;\n        fabric.util.loadImageInDom(img, onLoadCallback);\n      }\n\n      img.src = url;\n    },\n\n    /**\n     * Attaches SVG image with data: URL to the dom\n     * @memberOf fabric.util\n     * @param {Object} img Image object with data:image/svg src\n     * @param {Function} callback Callback; invoked with loaded image\n     * @return {Object} DOM element (div containing the SVG image)\n     */\n    loadImageInDom: function(img, onLoadCallback) {\n      var div = fabric.document.createElement('div');\n      div.style.width = div.style.height = '1px';\n      div.style.left = div.style.top = '-100%';\n      div.style.position = 'absolute';\n      div.appendChild(img);\n      fabric.document.querySelector('body').appendChild(div);\n      /**\n       * Wrap in function to:\n       *   1. Call existing callback\n       *   2. Cleanup DOM\n       */\n      img.onload = function () {\n        onLoadCallback();\n        div.parentNode.removeChild(div);\n        div = null;\n      };\n    },\n\n    /**\n     * Creates corresponding fabric instances from their object representations\n     * @static\n     * @memberOf fabric.util\n     * @param {Array} objects Objects to enliven\n     * @param {Function} callback Callback to invoke when all objects are created\n     * @param {String} namespace Namespace to get klass \"Class\" object from\n     * @param {Function} reviver Method for further parsing of object elements,\n     * called after each fabric object created.\n     */\n    enlivenObjects: function(objects, callback, namespace, reviver) {\n      objects = objects || [];\n\n      var enlivenedObjects = [],\n          numLoadedObjects = 0,\n          numTotalObjects = objects.length;\n\n      function onLoaded() {\n        if (++numLoadedObjects === numTotalObjects) {\n          callback && callback(enlivenedObjects.filter(function(obj) {\n            // filter out undefined objects (objects that gave error)\n            return obj;\n          }));\n        }\n      }\n\n      if (!numTotalObjects) {\n        callback && callback(enlivenedObjects);\n        return;\n      }\n\n      objects.forEach(function (o, index) {\n        // if sparse array\n        if (!o || !o.type) {\n          onLoaded();\n          return;\n        }\n        var klass = fabric.util.getKlass(o.type, namespace);\n        klass.fromObject(o, function (obj, error) {\n          error || (enlivenedObjects[index] = obj);\n          reviver && reviver(o, obj, error);\n          onLoaded();\n        });\n      });\n    },\n\n    /**\n     * Create and wait for loading of patterns\n     * @static\n     * @memberOf fabric.util\n     * @param {Array} patterns Objects to enliven\n     * @param {Function} callback Callback to invoke when all objects are created\n     * called after each fabric object created.\n     */\n    enlivenPatterns: function(patterns, callback) {\n      patterns = patterns || [];\n\n      function onLoaded() {\n        if (++numLoadedPatterns === numPatterns) {\n          callback && callback(enlivenedPatterns);\n        }\n      }\n\n      var enlivenedPatterns = [],\n          numLoadedPatterns = 0,\n          numPatterns = patterns.length;\n\n      if (!numPatterns) {\n        callback && callback(enlivenedPatterns);\n        return;\n      }\n\n      patterns.forEach(function (p, index) {\n        if (p && p.source) {\n          new fabric.Pattern(p, function(pattern) {\n            enlivenedPatterns[index] = pattern;\n            onLoaded();\n          });\n        }\n        else {\n          enlivenedPatterns[index] = p;\n          onLoaded();\n        }\n      });\n    },\n\n    /**\n     * Groups SVG elements (usually those retrieved from SVG document)\n     * @static\n     * @memberOf fabric.util\n     * @param {Array} elements SVG elements to group\n     * @param {Object} [options] Options object\n     * @param {String} path Value to set sourcePath to\n     * @return {fabric.Object|fabric.Group}\n     */\n    groupSVGElements: function(elements, options, path) {\n      var object;\n      if (elements && elements.length === 1) {\n        return elements[0];\n      }\n      if (options) {\n        if (options.width && options.height) {\n          options.centerPoint = {\n            x: options.width / 2,\n            y: options.height / 2\n          };\n        }\n        else {\n          delete options.width;\n          delete options.height;\n        }\n      }\n      object = new fabric.Group(elements, options);\n      if (typeof path !== 'undefined') {\n        object.sourcePath = path;\n      }\n      return object;\n    },\n\n    /**\n     * Populates an object with properties of another object\n     * @static\n     * @memberOf fabric.util\n     * @param {Object} source Source object\n     * @param {Object} destination Destination object\n     * @return {Array} properties Properties names to include\n     */\n    populateWithProperties: function(source, destination, properties) {\n      if (properties && Object.prototype.toString.call(properties) === '[object Array]') {\n        for (var i = 0, len = properties.length; i < len; i++) {\n          if (properties[i] in source) {\n            destination[properties[i]] = source[properties[i]];\n          }\n        }\n      }\n    },\n\n    /**\n     * Draws a dashed line between two points\n     *\n     * This method is used to draw dashed line around selection area.\n     * See <a href=\"http://stackoverflow.com/questions/4576724/dotted-stroke-in-canvas\">dotted stroke in canvas</a>\n     *\n     * @param {CanvasRenderingContext2D} ctx context\n     * @param {Number} x  start x coordinate\n     * @param {Number} y start y coordinate\n     * @param {Number} x2 end x coordinate\n     * @param {Number} y2 end y coordinate\n     * @param {Array} da dash array pattern\n     */\n    drawDashedLine: function(ctx, x, y, x2, y2, da) {\n      var dx = x2 - x,\n          dy = y2 - y,\n          len = sqrt(dx * dx + dy * dy),\n          rot = atan2(dy, dx),\n          dc = da.length,\n          di = 0,\n          draw = true;\n\n      ctx.save();\n      ctx.translate(x, y);\n      ctx.moveTo(0, 0);\n      ctx.rotate(rot);\n\n      x = 0;\n      while (len > x) {\n        x += da[di++ % dc];\n        if (x > len) {\n          x = len;\n        }\n        ctx[draw ? 'lineTo' : 'moveTo'](x, 0);\n        draw = !draw;\n      }\n\n      ctx.restore();\n    },\n\n    /**\n     * Creates canvas element\n     * @static\n     * @memberOf fabric.util\n     * @return {CanvasElement} initialized canvas element\n     */\n    createCanvasElement: function() {\n      return fabric.document.createElement('canvas');\n    },\n\n    /**\n     * Creates a canvas element that is a copy of another and is also painted\n     * @param {CanvasElement} canvas to copy size and content of\n     * @static\n     * @memberOf fabric.util\n     * @return {CanvasElement} initialized canvas element\n     */\n    copyCanvasElement: function(canvas) {\n      var newCanvas = fabric.util.createCanvasElement();\n      newCanvas.width = canvas.width;\n      newCanvas.height = canvas.height;\n      newCanvas.getContext('2d').drawImage(canvas, 0, 0);\n      return newCanvas;\n    },\n\n    /**\n     * since 2.6.0 moved from canvas instance to utility.\n     * @param {CanvasElement} canvasEl to copy size and content of\n     * @param {String} format 'jpeg' or 'png', in some browsers 'webp' is ok too\n     * @param {Number} quality <= 1 and > 0\n     * @static\n     * @memberOf fabric.util\n     * @return {String} data url\n     */\n    toDataURL: function(canvasEl, format, quality) {\n      return canvasEl.toDataURL('image/' + format, quality);\n    },\n\n    /**\n     * Creates image element (works on client and node)\n     * @static\n     * @memberOf fabric.util\n     * @return {HTMLImageElement} HTML image element\n     */\n    createImage: function() {\n      return fabric.document.createElement('img');\n    },\n\n    /**\n     * Multiply matrix A by matrix B to nest transformations\n     * @static\n     * @memberOf fabric.util\n     * @param  {Array} a First transformMatrix\n     * @param  {Array} b Second transformMatrix\n     * @param  {Boolean} is2x2 flag to multiply matrices as 2x2 matrices\n     * @return {Array} The product of the two transform matrices\n     */\n    multiplyTransformMatrices: function(a, b, is2x2) {\n      // Matrix multiply a * b\n      return [\n        a[0] * b[0] + a[2] * b[1],\n        a[1] * b[0] + a[3] * b[1],\n        a[0] * b[2] + a[2] * b[3],\n        a[1] * b[2] + a[3] * b[3],\n        is2x2 ? 0 : a[0] * b[4] + a[2] * b[5] + a[4],\n        is2x2 ? 0 : a[1] * b[4] + a[3] * b[5] + a[5]\n      ];\n    },\n\n    /**\n     * Decomposes standard 2x3 matrix into transform components\n     * @static\n     * @memberOf fabric.util\n     * @param  {Array} a transformMatrix\n     * @return {Object} Components of transform\n     */\n    qrDecompose: function(a) {\n      var angle = atan2(a[1], a[0]),\n          denom = pow(a[0], 2) + pow(a[1], 2),\n          scaleX = sqrt(denom),\n          scaleY = (a[0] * a[3] - a[2] * a[1]) / scaleX,\n          skewX = atan2(a[0] * a[2] + a[1] * a [3], denom);\n      return {\n        angle: angle / PiBy180,\n        scaleX: scaleX,\n        scaleY: scaleY,\n        skewX: skewX / PiBy180,\n        skewY: 0,\n        translateX: a[4],\n        translateY: a[5]\n      };\n    },\n\n    /**\n     * Returns a transform matrix starting from an object of the same kind of\n     * the one returned from qrDecompose, useful also if you want to calculate some\n     * transformations from an object that is not enlived yet\n     * @static\n     * @memberOf fabric.util\n     * @param  {Object} options\n     * @param  {Number} [options.angle] angle in degrees\n     * @return {Number[]} transform matrix\n     */\n    calcRotateMatrix: function(options) {\n      if (!options.angle) {\n        return fabric.iMatrix.concat();\n      }\n      var theta = fabric.util.degreesToRadians(options.angle),\n          cos = fabric.util.cos(theta),\n          sin = fabric.util.sin(theta);\n      return [cos, sin, -sin, cos, 0, 0];\n    },\n\n    /**\n     * Returns a transform matrix starting from an object of the same kind of\n     * the one returned from qrDecompose, useful also if you want to calculate some\n     * transformations from an object that is not enlived yet.\n     * is called DimensionsTransformMatrix because those properties are the one that influence\n     * the size of the resulting box of the object.\n     * @static\n     * @memberOf fabric.util\n     * @param  {Object} options\n     * @param  {Number} [options.scaleX]\n     * @param  {Number} [options.scaleY]\n     * @param  {Boolean} [options.flipX]\n     * @param  {Boolean} [options.flipY]\n     * @param  {Number} [options.skewX]\n     * @param  {Number} [options.skewX]\n     * @return {Number[]} transform matrix\n     */\n    calcDimensionsMatrix: function(options) {\n      var scaleX = typeof options.scaleX === 'undefined' ? 1 : options.scaleX,\n          scaleY = typeof options.scaleY === 'undefined' ? 1 : options.scaleY,\n          scaleMatrix = [\n            options.flipX ? -scaleX : scaleX,\n            0,\n            0,\n            options.flipY ? -scaleY : scaleY,\n            0,\n            0],\n          multiply = fabric.util.multiplyTransformMatrices,\n          degreesToRadians = fabric.util.degreesToRadians;\n      if (options.skewX) {\n        scaleMatrix = multiply(\n          scaleMatrix,\n          [1, 0, Math.tan(degreesToRadians(options.skewX)), 1],\n          true);\n      }\n      if (options.skewY) {\n        scaleMatrix = multiply(\n          scaleMatrix,\n          [1, Math.tan(degreesToRadians(options.skewY)), 0, 1],\n          true);\n      }\n      return scaleMatrix;\n    },\n\n    /**\n     * Returns a transform matrix starting from an object of the same kind of\n     * the one returned from qrDecompose, useful also if you want to calculate some\n     * transformations from an object that is not enlived yet\n     * @static\n     * @memberOf fabric.util\n     * @param  {Object} options\n     * @param  {Number} [options.angle]\n     * @param  {Number} [options.scaleX]\n     * @param  {Number} [options.scaleY]\n     * @param  {Boolean} [options.flipX]\n     * @param  {Boolean} [options.flipY]\n     * @param  {Number} [options.skewX]\n     * @param  {Number} [options.skewX]\n     * @param  {Number} [options.translateX]\n     * @param  {Number} [options.translateY]\n     * @return {Number[]} transform matrix\n     */\n    composeMatrix: function(options) {\n      var matrix = [1, 0, 0, 1, options.translateX || 0, options.translateY || 0],\n          multiply = fabric.util.multiplyTransformMatrices;\n      if (options.angle) {\n        matrix = multiply(matrix, fabric.util.calcRotateMatrix(options));\n      }\n      if (options.scaleX !== 1 || options.scaleY !== 1 ||\n          options.skewX || options.skewY || options.flipX || options.flipY) {\n        matrix = multiply(matrix, fabric.util.calcDimensionsMatrix(options));\n      }\n      return matrix;\n    },\n\n    /**\n     * reset an object transform state to neutral. Top and left are not accounted for\n     * @static\n     * @memberOf fabric.util\n     * @param  {fabric.Object} target object to transform\n     */\n    resetObjectTransform: function (target) {\n      target.scaleX = 1;\n      target.scaleY = 1;\n      target.skewX = 0;\n      target.skewY = 0;\n      target.flipX = false;\n      target.flipY = false;\n      target.rotate(0);\n    },\n\n    /**\n     * Extract Object transform values\n     * @static\n     * @memberOf fabric.util\n     * @param  {fabric.Object} target object to read from\n     * @return {Object} Components of transform\n     */\n    saveObjectTransform: function (target) {\n      return {\n        scaleX: target.scaleX,\n        scaleY: target.scaleY,\n        skewX: target.skewX,\n        skewY: target.skewY,\n        angle: target.angle,\n        left: target.left,\n        flipX: target.flipX,\n        flipY: target.flipY,\n        top: target.top\n      };\n    },\n\n    /**\n     * Returns true if context has transparent pixel\n     * at specified location (taking tolerance into account)\n     * @param {CanvasRenderingContext2D} ctx context\n     * @param {Number} x x coordinate\n     * @param {Number} y y coordinate\n     * @param {Number} tolerance Tolerance\n     */\n    isTransparent: function(ctx, x, y, tolerance) {\n\n      // If tolerance is > 0 adjust start coords to take into account.\n      // If moves off Canvas fix to 0\n      if (tolerance > 0) {\n        if (x > tolerance) {\n          x -= tolerance;\n        }\n        else {\n          x = 0;\n        }\n        if (y > tolerance) {\n          y -= tolerance;\n        }\n        else {\n          y = 0;\n        }\n      }\n\n      var _isTransparent = true, i, temp,\n          imageData = ctx.getImageData(x, y, (tolerance * 2) || 1, (tolerance * 2) || 1),\n          l = imageData.data.length;\n\n      // Split image data - for tolerance > 1, pixelDataSize = 4;\n      for (i = 3; i < l; i += 4) {\n        temp = imageData.data[i];\n        _isTransparent = temp <= 0;\n        if (_isTransparent === false) {\n          break; // Stop if colour found\n        }\n      }\n\n      imageData = null;\n\n      return _isTransparent;\n    },\n\n    /**\n     * Parse preserveAspectRatio attribute from element\n     * @param {string} attribute to be parsed\n     * @return {Object} an object containing align and meetOrSlice attribute\n     */\n    parsePreserveAspectRatioAttribute: function(attribute) {\n      var meetOrSlice = 'meet', alignX = 'Mid', alignY = 'Mid',\n          aspectRatioAttrs = attribute.split(' '), align;\n\n      if (aspectRatioAttrs && aspectRatioAttrs.length) {\n        meetOrSlice = aspectRatioAttrs.pop();\n        if (meetOrSlice !== 'meet' && meetOrSlice !== 'slice') {\n          align = meetOrSlice;\n          meetOrSlice = 'meet';\n        }\n        else if (aspectRatioAttrs.length) {\n          align = aspectRatioAttrs.pop();\n        }\n      }\n      //divide align in alignX and alignY\n      alignX = align !== 'none' ? align.slice(1, 4) : 'none';\n      alignY = align !== 'none' ? align.slice(5, 8) : 'none';\n      return {\n        meetOrSlice: meetOrSlice,\n        alignX: alignX,\n        alignY: alignY\n      };\n    },\n\n    /**\n     * Clear char widths cache for the given font family or all the cache if no\n     * fontFamily is specified.\n     * Use it if you know you are loading fonts in a lazy way and you are not waiting\n     * for custom fonts to load properly when adding text objects to the canvas.\n     * If a text object is added when its own font is not loaded yet, you will get wrong\n     * measurement and so wrong bounding boxes.\n     * After the font cache is cleared, either change the textObject text content or call\n     * initDimensions() to trigger a recalculation\n     * @memberOf fabric.util\n     * @param {String} [fontFamily] font family to clear\n     */\n    clearFabricFontCache: function(fontFamily) {\n      fontFamily = (fontFamily || '').toLowerCase();\n      if (!fontFamily) {\n        fabric.charWidthsCache = { };\n      }\n      else if (fabric.charWidthsCache[fontFamily]) {\n        delete fabric.charWidthsCache[fontFamily];\n      }\n    },\n\n    /**\n     * Given current aspect ratio, determines the max width and height that can\n     * respect the total allowed area for the cache.\n     * @memberOf fabric.util\n     * @param {Number} ar aspect ratio\n     * @param {Number} maximumArea Maximum area you want to achieve\n     * @return {Object.x} Limited dimensions by X\n     * @return {Object.y} Limited dimensions by Y\n     */\n    limitDimsByArea: function(ar, maximumArea) {\n      var roughWidth = Math.sqrt(maximumArea * ar),\n          perfLimitSizeY = Math.floor(maximumArea / roughWidth);\n      return { x: Math.floor(roughWidth), y: perfLimitSizeY };\n    },\n\n    capValue: function(min, value, max) {\n      return Math.max(min, Math.min(value, max));\n    },\n\n    /**\n     * Finds the scale for the object source to fit inside the object destination,\n     * keeping aspect ratio intact.\n     * respect the total allowed area for the cache.\n     * @memberOf fabric.util\n     * @param {Object | fabric.Object} source\n     * @param {Number} source.height natural unscaled height of the object\n     * @param {Number} source.width natural unscaled width of the object\n     * @param {Object | fabric.Object} destination\n     * @param {Number} destination.height natural unscaled height of the object\n     * @param {Number} destination.width natural unscaled width of the object\n     * @return {Number} scale factor to apply to source to fit into destination\n     */\n    findScaleToFit: function(source, destination) {\n      return Math.min(destination.width / source.width, destination.height / source.height);\n    },\n\n    /**\n     * Finds the scale for the object source to cover entirely the object destination,\n     * keeping aspect ratio intact.\n     * respect the total allowed area for the cache.\n     * @memberOf fabric.util\n     * @param {Object | fabric.Object} source\n     * @param {Number} source.height natural unscaled height of the object\n     * @param {Number} source.width natural unscaled width of the object\n     * @param {Object | fabric.Object} destination\n     * @param {Number} destination.height natural unscaled height of the object\n     * @param {Number} destination.width natural unscaled width of the object\n     * @return {Number} scale factor to apply to source to cover destination\n     */\n    findScaleToCover: function(source, destination) {\n      return Math.max(destination.width / source.width, destination.height / source.height);\n    },\n\n    /**\n     * given an array of 6 number returns something like `\"matrix(...numbers)\"`\n     * @memberOf fabric.util\n     * @param {Array} transform an array with 6 numbers\n     * @return {String} transform matrix for svg\n     * @return {Object.y} Limited dimensions by Y\n     */\n    matrixToSVG: function(transform) {\n      return 'matrix(' + transform.map(function(value) {\n        return fabric.util.toFixed(value, fabric.Object.NUM_FRACTION_DIGITS);\n      }).join(' ') + ')';\n    },\n\n    /**\n     * given an object and a transform, apply the inverse transform to the object,\n     * this is equivalent to remove from that object that transformation, so that\n     * added in a space with the removed transform, the object will be the same as before.\n     * Removing from an object a transform that scale by 2 is like scaling it by 1/2.\n     * Removing from an object a transfrom that rotate by 30deg is like rotating by 30deg\n     * in the opposite direction.\n     * This util is used to add objects inside transformed groups or nested groups.\n     * @memberOf fabric.util\n     * @param {fabric.Object} object the object you want to transform\n     * @param {Array} transform the destination transform\n     */\n    removeTransformFromObject: function(object, transform) {\n      var inverted = fabric.util.invertTransform(transform),\n          finalTransform = fabric.util.multiplyTransformMatrices(inverted, object.calcOwnMatrix());\n      fabric.util.applyTransformToObject(object, finalTransform);\n    },\n\n    /**\n     * given an object and a transform, apply the transform to the object.\n     * this is equivalent to change the space where the object is drawn.\n     * Adding to an object a transform that scale by 2 is like scaling it by 2.\n     * This is used when removing an object from an active selection for example.\n     * @memberOf fabric.util\n     * @param {fabric.Object} object the object you want to transform\n     * @param {Array} transform the destination transform\n     */\n    addTransformToObject: function(object, transform) {\n      fabric.util.applyTransformToObject(\n        object,\n        fabric.util.multiplyTransformMatrices(transform, object.calcOwnMatrix())\n      );\n    },\n\n    /**\n     * discard an object transform state and apply the one from the matrix.\n     * @memberOf fabric.util\n     * @param {fabric.Object} object the object you want to transform\n     * @param {Array} transform the destination transform\n     */\n    applyTransformToObject: function(object, transform) {\n      var options = fabric.util.qrDecompose(transform),\n          center = new fabric.Point(options.translateX, options.translateY);\n      object.flipX = false;\n      object.flipY = false;\n      object.set('scaleX', options.scaleX);\n      object.set('scaleY', options.scaleY);\n      object.skewX = options.skewX;\n      object.skewY = options.skewY;\n      object.angle = options.angle;\n      object.setPositionByOrigin(center, 'center', 'center');\n    },\n\n    /**\n     * given a width and height, return the size of the bounding box\n     * that can contains the box with width/height with applied transform\n     * described in options.\n     * Use to calculate the boxes around objects for controls.\n     * @memberOf fabric.util\n     * @param {Number} width\n     * @param {Number} height\n     * @param {Object} options\n     * @param {Number} options.scaleX\n     * @param {Number} options.scaleY\n     * @param {Number} options.skewX\n     * @param {Number} options.skewY\n     * @return {Object.x} width of containing\n     * @return {Object.y} height of containing\n     */\n    sizeAfterTransform: function(width, height, options) {\n      var dimX = width / 2, dimY = height / 2,\n          points = [\n            {\n              x: -dimX,\n              y: -dimY\n            },\n            {\n              x: dimX,\n              y: -dimY\n            },\n            {\n              x: -dimX,\n              y: dimY\n            },\n            {\n              x: dimX,\n              y: dimY\n            }],\n          transformMatrix = fabric.util.calcDimensionsMatrix(options),\n          bbox = fabric.util.makeBoundingBoxFromPoints(points, transformMatrix);\n      return {\n        x: bbox.width,\n        y: bbox.height,\n      };\n    }\n  };\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function() {\n  var _join = Array.prototype.join,\n      commandLengths = {\n        m: 2,\n        l: 2,\n        h: 1,\n        v: 1,\n        c: 6,\n        s: 4,\n        q: 4,\n        t: 2,\n        a: 7\n      },\n      repeatedCommands = {\n        m: 'l',\n        M: 'L'\n      };\n  function segmentToBezier(th2, th3, cosTh, sinTh, rx, ry, cx1, cy1, mT, fromX, fromY) {\n    var costh2 = fabric.util.cos(th2),\n        sinth2 = fabric.util.sin(th2),\n        costh3 = fabric.util.cos(th3),\n        sinth3 = fabric.util.sin(th3),\n        toX = cosTh * rx * costh3 - sinTh * ry * sinth3 + cx1,\n        toY = sinTh * rx * costh3 + cosTh * ry * sinth3 + cy1,\n        cp1X = fromX + mT * ( -cosTh * rx * sinth2 - sinTh * ry * costh2),\n        cp1Y = fromY + mT * ( -sinTh * rx * sinth2 + cosTh * ry * costh2),\n        cp2X = toX + mT * ( cosTh * rx * sinth3 + sinTh * ry * costh3),\n        cp2Y = toY + mT * ( sinTh * rx * sinth3 - cosTh * ry * costh3);\n\n    return ['C',\n      cp1X, cp1Y,\n      cp2X, cp2Y,\n      toX, toY\n    ];\n  }\n\n  /* Adapted from http://dxr.mozilla.org/mozilla-central/source/content/svg/content/src/nsSVGPathDataParser.cpp\n   * by Andrea Bogazzi code is under MPL. if you don't have a copy of the license you can take it here\n   * http://mozilla.org/MPL/2.0/\n   */\n  function arcToSegments(toX, toY, rx, ry, large, sweep, rotateX) {\n    var PI = Math.PI, th = rotateX * PI / 180,\n        sinTh = fabric.util.sin(th),\n        cosTh = fabric.util.cos(th),\n        fromX = 0, fromY = 0;\n\n    rx = Math.abs(rx);\n    ry = Math.abs(ry);\n\n    var px = -cosTh * toX * 0.5 - sinTh * toY * 0.5,\n        py = -cosTh * toY * 0.5 + sinTh * toX * 0.5,\n        rx2 = rx * rx, ry2 = ry * ry, py2 = py * py, px2 = px * px,\n        pl = rx2 * ry2 - rx2 * py2 - ry2 * px2,\n        root = 0;\n\n    if (pl < 0) {\n      var s = Math.sqrt(1 - pl / (rx2 * ry2));\n      rx *= s;\n      ry *= s;\n    }\n    else {\n      root = (large === sweep ? -1.0 : 1.0) *\n              Math.sqrt( pl / (rx2 * py2 + ry2 * px2));\n    }\n\n    var cx = root * rx * py / ry,\n        cy = -root * ry * px / rx,\n        cx1 = cosTh * cx - sinTh * cy + toX * 0.5,\n        cy1 = sinTh * cx + cosTh * cy + toY * 0.5,\n        mTheta = calcVectorAngle(1, 0, (px - cx) / rx, (py - cy) / ry),\n        dtheta = calcVectorAngle((px - cx) / rx, (py - cy) / ry, (-px - cx) / rx, (-py - cy) / ry);\n\n    if (sweep === 0 && dtheta > 0) {\n      dtheta -= 2 * PI;\n    }\n    else if (sweep === 1 && dtheta < 0) {\n      dtheta += 2 * PI;\n    }\n\n    // Convert into cubic bezier segments <= 90deg\n    var segments = Math.ceil(Math.abs(dtheta / PI * 2)),\n        result = [], mDelta = dtheta / segments,\n        mT = 8 / 3 * Math.sin(mDelta / 4) * Math.sin(mDelta / 4) / Math.sin(mDelta / 2),\n        th3 = mTheta + mDelta;\n\n    for (var i = 0; i < segments; i++) {\n      result[i] = segmentToBezier(mTheta, th3, cosTh, sinTh, rx, ry, cx1, cy1, mT, fromX, fromY);\n      fromX = result[i][5];\n      fromY = result[i][6];\n      mTheta = th3;\n      th3 += mDelta;\n    }\n    return result;\n  }\n\n  /*\n   * Private\n   */\n  function calcVectorAngle(ux, uy, vx, vy) {\n    var ta = Math.atan2(uy, ux),\n        tb = Math.atan2(vy, vx);\n    if (tb >= ta) {\n      return tb - ta;\n    }\n    else {\n      return 2 * Math.PI - (ta - tb);\n    }\n  }\n\n  /**\n   * Calculate bounding box of a beziercurve\n   * @param {Number} x0 starting point\n   * @param {Number} y0\n   * @param {Number} x1 first control point\n   * @param {Number} y1\n   * @param {Number} x2 secondo control point\n   * @param {Number} y2\n   * @param {Number} x3 end of bezier\n   * @param {Number} y3\n   */\n  // taken from http://jsbin.com/ivomiq/56/edit  no credits available for that.\n  // TODO: can we normalize this with the starting points set at 0 and then translated the bbox?\n  function getBoundsOfCurve(x0, y0, x1, y1, x2, y2, x3, y3) {\n    var argsString;\n    if (fabric.cachesBoundsOfCurve) {\n      argsString = _join.call(arguments);\n      if (fabric.boundsOfCurveCache[argsString]) {\n        return fabric.boundsOfCurveCache[argsString];\n      }\n    }\n\n    var sqrt = Math.sqrt,\n        min = Math.min, max = Math.max,\n        abs = Math.abs, tvalues = [],\n        bounds = [[], []],\n        a, b, c, t, t1, t2, b2ac, sqrtb2ac;\n\n    b = 6 * x0 - 12 * x1 + 6 * x2;\n    a = -3 * x0 + 9 * x1 - 9 * x2 + 3 * x3;\n    c = 3 * x1 - 3 * x0;\n\n    for (var i = 0; i < 2; ++i) {\n      if (i > 0) {\n        b = 6 * y0 - 12 * y1 + 6 * y2;\n        a = -3 * y0 + 9 * y1 - 9 * y2 + 3 * y3;\n        c = 3 * y1 - 3 * y0;\n      }\n\n      if (abs(a) < 1e-12) {\n        if (abs(b) < 1e-12) {\n          continue;\n        }\n        t = -c / b;\n        if (0 < t && t < 1) {\n          tvalues.push(t);\n        }\n        continue;\n      }\n      b2ac = b * b - 4 * c * a;\n      if (b2ac < 0) {\n        continue;\n      }\n      sqrtb2ac = sqrt(b2ac);\n      t1 = (-b + sqrtb2ac) / (2 * a);\n      if (0 < t1 && t1 < 1) {\n        tvalues.push(t1);\n      }\n      t2 = (-b - sqrtb2ac) / (2 * a);\n      if (0 < t2 && t2 < 1) {\n        tvalues.push(t2);\n      }\n    }\n\n    var x, y, j = tvalues.length, jlen = j, mt;\n    while (j--) {\n      t = tvalues[j];\n      mt = 1 - t;\n      x = (mt * mt * mt * x0) + (3 * mt * mt * t * x1) + (3 * mt * t * t * x2) + (t * t * t * x3);\n      bounds[0][j] = x;\n\n      y = (mt * mt * mt * y0) + (3 * mt * mt * t * y1) + (3 * mt * t * t * y2) + (t * t * t * y3);\n      bounds[1][j] = y;\n    }\n\n    bounds[0][jlen] = x0;\n    bounds[1][jlen] = y0;\n    bounds[0][jlen + 1] = x3;\n    bounds[1][jlen + 1] = y3;\n    var result = [\n      {\n        x: min.apply(null, bounds[0]),\n        y: min.apply(null, bounds[1])\n      },\n      {\n        x: max.apply(null, bounds[0]),\n        y: max.apply(null, bounds[1])\n      }\n    ];\n    if (fabric.cachesBoundsOfCurve) {\n      fabric.boundsOfCurveCache[argsString] = result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts arc to a bunch of bezier curves\n   * @param {Number} fx starting point x\n   * @param {Number} fy starting point y\n   * @param {Array} coords Arc command\n   */\n  function fromArcToBeziers(fx, fy, coords) {\n    var rx = coords[1],\n        ry = coords[2],\n        rot = coords[3],\n        large = coords[4],\n        sweep = coords[5],\n        tx = coords[6],\n        ty = coords[7],\n        segsNorm = arcToSegments(tx - fx, ty - fy, rx, ry, large, sweep, rot);\n\n    for (var i = 0, len = segsNorm.length; i < len; i++) {\n      segsNorm[i][1] += fx;\n      segsNorm[i][2] += fy;\n      segsNorm[i][3] += fx;\n      segsNorm[i][4] += fy;\n      segsNorm[i][5] += fx;\n      segsNorm[i][6] += fy;\n    }\n    return segsNorm;\n  };\n\n  /**\n   * This function take a parsed SVG path and make it simpler for fabricJS logic.\n   * simplification consist of: only UPPERCASE absolute commands ( relative converted to absolute )\n   * S converted in C, T converted in Q, A converted in C.\n   * @param {Array} path the array of commands of a parsed svg path for fabric.Path\n   * @return {Array} the simplified array of commands of a parsed svg path for fabric.Path\n   */\n  function makePathSimpler(path) {\n    // x and y represent the last point of the path. the previous command point.\n    // we add them to each relative command to make it an absolute comment.\n    // we also swap the v V h H with L, because are easier to transform.\n    var x = 0, y = 0, len = path.length,\n        // x1 and y1 represent the last point of the subpath. the subpath is started with\n        // m or M command. When a z or Z command is drawn, x and y need to be resetted to\n        // the last x1 and y1.\n        x1 = 0, y1 = 0, current, i, converted,\n        // previous will host the letter of the previous command, to handle S and T.\n        // controlX and controlY will host the previous reflected control point\n        destinationPath = [], previous, controlX, controlY;\n    for (i = 0; i < len; ++i) {\n      converted = false;\n      current = path[i].slice(0);\n      switch (current[0]) { // first letter\n        case 'l': // lineto, relative\n          current[0] = 'L';\n          current[1] += x;\n          current[2] += y;\n          // falls through\n        case 'L':\n          x = current[1];\n          y = current[2];\n          break;\n        case 'h': // horizontal lineto, relative\n          current[1] += x;\n          // falls through\n        case 'H':\n          current[0] = 'L';\n          current[2] = y;\n          x = current[1];\n          break;\n        case 'v': // vertical lineto, relative\n          current[1] += y;\n          // falls through\n        case 'V':\n          current[0] = 'L';\n          y = current[1];\n          current[1] = x;\n          current[2] = y;\n          break;\n        case 'm': // moveTo, relative\n          current[0] = 'M';\n          current[1] += x;\n          current[2] += y;\n          // falls through\n        case 'M':\n          x = current[1];\n          y = current[2];\n          x1 = current[1];\n          y1 = current[2];\n          break;\n        case 'c': // bezierCurveTo, relative\n          current[0] = 'C';\n          current[1] += x;\n          current[2] += y;\n          current[3] += x;\n          current[4] += y;\n          current[5] += x;\n          current[6] += y;\n          // falls through\n        case 'C':\n          controlX = current[3];\n          controlY = current[4];\n          x = current[5];\n          y = current[6];\n          break;\n        case 's': // shorthand cubic bezierCurveTo, relative\n          current[0] = 'S';\n          current[1] += x;\n          current[2] += y;\n          current[3] += x;\n          current[4] += y;\n          // falls through\n        case 'S':\n          // would be sScC but since we are swapping sSc for C, we check just that.\n          if (previous === 'C') {\n            // calculate reflection of previous control points\n            controlX = 2 * x - controlX;\n            controlY = 2 * y - controlY;\n          }\n          else {\n            // If there is no previous command or if the previous command was not a C, c, S, or s,\n            // the control point is coincident with the current point\n            controlX = x;\n            controlY = y;\n          }\n          x = current[3];\n          y = current[4];\n          current[0] = 'C';\n          current[5] = current[3];\n          current[6] = current[4];\n          current[3] = current[1];\n          current[4] = current[2];\n          current[1] = controlX;\n          current[2] = controlY;\n          // current[3] and current[4] are NOW the second control point.\n          // we keep it for the next reflection.\n          controlX = current[3];\n          controlY = current[4];\n          break;\n        case 'q': // quadraticCurveTo, relative\n          current[0] = 'Q';\n          current[1] += x;\n          current[2] += y;\n          current[3] += x;\n          current[4] += y;\n          // falls through\n        case 'Q':\n          controlX = current[1];\n          controlY = current[2];\n          x = current[3];\n          y = current[4];\n          break;\n        case 't': // shorthand quadraticCurveTo, relative\n          current[0] = 'T';\n          current[1] += x;\n          current[2] += y;\n          // falls through\n        case 'T':\n          if (previous === 'Q') {\n            // calculate reflection of previous control point\n            controlX = 2 * x - controlX;\n            controlY = 2 * y - controlY;\n          }\n          else {\n            // If there is no previous command or if the previous command was not a Q, q, T or t,\n            // assume the control point is coincident with the current point\n            controlX = x;\n            controlY = y;\n          }\n          current[0] = 'Q';\n          x = current[1];\n          y = current[2];\n          current[1] = controlX;\n          current[2] = controlY;\n          current[3] = x;\n          current[4] = y;\n          break;\n        case 'a':\n          current[0] = 'A';\n          current[6] += x;\n          current[7] += y;\n          // falls through\n        case 'A':\n          converted = true;\n          destinationPath = destinationPath.concat(fromArcToBeziers(x, y, current));\n          x = current[6];\n          y = current[7];\n          break;\n        case 'z':\n        case 'Z':\n          x = x1;\n          y = y1;\n          break;\n        default:\n      }\n      if (!converted) {\n        destinationPath.push(current);\n      }\n      previous = current[0];\n    }\n    return destinationPath;\n  };\n\n  /**\n   * Calc length from point x1,y1 to x2,y2\n   * @param {Number} x1 starting point x\n   * @param {Number} y1 starting point y\n   * @param {Number} x2 starting point x\n   * @param {Number} y2 starting point y\n   * @return {Number} length of segment\n   */\n  function calcLineLength(x1, y1, x2, y2) {\n    return Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));\n  }\n\n  // functions for the Cubic beizer\n  // taken from: https://github.com/konvajs/konva/blob/7.0.5/src/shapes/Path.ts#L350\n  function CB1(t) {\n    return t * t * t;\n  }\n  function CB2(t) {\n    return 3 * t * t * (1 - t);\n  }\n  function CB3(t) {\n    return 3 * t * (1 - t) * (1 - t);\n  }\n  function CB4(t) {\n    return (1 - t) * (1 - t) * (1 - t);\n  }\n\n  function getPointOnCubicBezierIterator(p1x, p1y, p2x, p2y, p3x, p3y, p4x, p4y) {\n    return function(pct) {\n      var c1 = CB1(pct), c2 = CB2(pct), c3 = CB3(pct), c4 = CB4(pct);\n      return {\n        x: p4x * c1 + p3x * c2 + p2x * c3 + p1x * c4,\n        y: p4y * c1 + p3y * c2 + p2y * c3 + p1y * c4\n      };\n    };\n  }\n\n  function getTangentCubicIterator(p1x, p1y, p2x, p2y, p3x, p3y, p4x, p4y) {\n    return function (pct) {\n      var invT = 1 - pct,\n          tangentX = (3 * invT * invT * (p2x - p1x)) + (6 * invT * pct * (p3x - p2x)) +\n          (3 * pct * pct * (p4x - p3x)),\n          tangentY = (3 * invT * invT * (p2y - p1y)) + (6 * invT * pct * (p3y - p2y)) +\n          (3 * pct * pct * (p4y - p3y));\n      return Math.atan2(tangentY, tangentX);\n    };\n  }\n\n  function QB1(t) {\n    return t * t;\n  }\n\n  function QB2(t) {\n    return 2 * t * (1 - t);\n  }\n\n  function QB3(t) {\n    return (1 - t) * (1 - t);\n  }\n\n  function getPointOnQuadraticBezierIterator(p1x, p1y, p2x, p2y, p3x, p3y) {\n    return function(pct) {\n      var c1 = QB1(pct), c2 = QB2(pct), c3 = QB3(pct);\n      return {\n        x: p3x * c1 + p2x * c2 + p1x * c3,\n        y: p3y * c1 + p2y * c2 + p1y * c3\n      };\n    };\n  }\n\n  function getTangentQuadraticIterator(p1x, p1y, p2x, p2y, p3x, p3y) {\n    return function (pct) {\n      var invT = 1 - pct,\n          tangentX = (2 * invT * (p2x - p1x)) + (2 * pct * (p3x - p2x)),\n          tangentY = (2 * invT * (p2y - p1y)) + (2 * pct * (p3y - p2y));\n      return Math.atan2(tangentY, tangentX);\n    };\n  }\n\n\n  // this will run over a path segment ( a cubic or quadratic segment) and approximate it\n  // with 100 segemnts. This will good enough to calculate the length of the curve\n  function pathIterator(iterator, x1, y1) {\n    var tempP = { x: x1, y: y1 }, p, tmpLen = 0, perc;\n    for (perc = 0.01; perc <= 1; perc += 0.01) {\n      p = iterator(perc);\n      tmpLen += calcLineLength(tempP.x, tempP.y, p.x, p.y);\n      tempP = p;\n    }\n    return tmpLen;\n  }\n\n  /**\n   * Given a pathInfo, and a distance in pixels, find the percentage from 0 to 1\n   * that correspond to that pixels run over the path.\n   * The percentage will be then used to find the correct point on the canvas for the path.\n   * @param {Array} segInfo fabricJS collection of information on a parsed path\n   * @param {Number} distance from starting point, in pixels.\n   * @return {Object} info object with x and y ( the point on canvas ) and angle, the tangent on that point;\n   */\n  function findPercentageForDistance(segInfo, distance) {\n    var perc = 0, tmpLen = 0, iterator = segInfo.iterator, tempP = { x: segInfo.x, y: segInfo.y },\n        p, nextLen, nextStep = 0.01, angleFinder = segInfo.angleFinder, lastPerc;\n    // nextStep > 0.0001 covers 0.00015625 that 1/64th of 1/100\n    // the path\n    while (tmpLen < distance && perc <= 1 && nextStep > 0.0001) {\n      p = iterator(perc);\n      lastPerc = perc;\n      nextLen = calcLineLength(tempP.x, tempP.y, p.x, p.y);\n      // compare tmpLen each cycle with distance, decide next perc to test.\n      if ((nextLen + tmpLen) > distance) {\n        // we discard this step and we make smaller steps.\n        nextStep /= 2;\n        perc -= nextStep;\n      }\n      else {\n        tempP = p;\n        perc += nextStep;\n        tmpLen += nextLen;\n      }\n    }\n    p.angle = angleFinder(lastPerc);\n    return p;\n  }\n\n  /**\n   * Run over a parsed and simplifed path and extrac some informations.\n   * informations are length of each command and starting point\n   * @param {Array} path fabricJS parsed path commands\n   * @return {Array} path commands informations\n   */\n  function getPathSegmentsInfo(path) {\n    var totalLength = 0, len = path.length, current,\n        //x2 and y2 are the coords of segment start\n        //x1 and y1 are the coords of the current point\n        x1 = 0, y1 = 0, x2 = 0, y2 = 0, info = [], iterator, tempInfo, angleFinder;\n    for (var i = 0; i < len; i++) {\n      current = path[i];\n      tempInfo = {\n        x: x1,\n        y: y1,\n        command: current[0],\n      };\n      switch (current[0]) { //first letter\n        case 'M':\n          tempInfo.length = 0;\n          x2 = x1 = current[1];\n          y2 = y1 = current[2];\n          break;\n        case 'L':\n          tempInfo.length = calcLineLength(x1, y1, current[1], current[2]);\n          x1 = current[1];\n          y1 = current[2];\n          break;\n        case 'C':\n          iterator = getPointOnCubicBezierIterator(\n            x1,\n            y1,\n            current[1],\n            current[2],\n            current[3],\n            current[4],\n            current[5],\n            current[6]\n          );\n          angleFinder = getTangentCubicIterator(\n            x1,\n            y1,\n            current[1],\n            current[2],\n            current[3],\n            current[4],\n            current[5],\n            current[6]\n          );\n          tempInfo.iterator = iterator;\n          tempInfo.angleFinder = angleFinder;\n          tempInfo.length = pathIterator(iterator, x1, y1);\n          x1 = current[5];\n          y1 = current[6];\n          break;\n        case 'Q':\n          iterator = getPointOnQuadraticBezierIterator(\n            x1,\n            y1,\n            current[1],\n            current[2],\n            current[3],\n            current[4]\n          );\n          angleFinder = getTangentQuadraticIterator(\n            x1,\n            y1,\n            current[1],\n            current[2],\n            current[3],\n            current[4]\n          );\n          tempInfo.iterator = iterator;\n          tempInfo.angleFinder = angleFinder;\n          tempInfo.length = pathIterator(iterator, x1, y1);\n          x1 = current[3];\n          y1 = current[4];\n          break;\n        case 'Z':\n        case 'z':\n          // we add those in order to ease calculations later\n          tempInfo.destX = x2;\n          tempInfo.destY = y2;\n          tempInfo.length = calcLineLength(x1, y1, x2, y2);\n          x1 = x2;\n          y1 = y2;\n          break;\n      }\n      totalLength += tempInfo.length;\n      info.push(tempInfo);\n    }\n    info.push({ length: totalLength, x: x1, y: y1 });\n    return info;\n  }\n\n  function getPointOnPath(path, distance, infos) {\n    if (!infos) {\n      infos = getPathSegmentsInfo(path);\n    }\n    var i = 0;\n    while ((distance - infos[i].length > 0) && i < (infos.length - 2)) {\n      distance -= infos[i].length;\n      i++;\n    }\n    // var distance = infos[infos.length - 1] * perc;\n    var segInfo = infos[i], segPercent = distance / segInfo.length,\n        command = segInfo.command, segment = path[i], info;\n\n    switch (command) {\n      case 'M':\n        return { x: segInfo.x, y: segInfo.y, angle: 0 };\n      case 'Z':\n      case 'z':\n        info = new fabric.Point(segInfo.x, segInfo.y).lerp(\n          new fabric.Point(segInfo.destX, segInfo.destY),\n          segPercent\n        );\n        info.angle = Math.atan2(segInfo.destY - segInfo.y, segInfo.destX - segInfo.x);\n        return info;\n      case 'L':\n        info = new fabric.Point(segInfo.x, segInfo.y).lerp(\n          new fabric.Point(segment[1], segment[2]),\n          segPercent\n        );\n        info.angle = Math.atan2(segment[2] - segInfo.y, segment[1] - segInfo.x);\n        return info;\n      case 'C':\n        return findPercentageForDistance(segInfo, distance);\n      case 'Q':\n        return findPercentageForDistance(segInfo, distance);\n    }\n  }\n\n  function parsePath(pathString) {\n    var result = [],\n        coords = [],\n        currentPath,\n        parsed,\n        re = fabric.rePathCommand,\n        rNumber = '[-+]?(?:\\\\d*\\\\.\\\\d+|\\\\d+\\\\.?)(?:[eE][-+]?\\\\d+)?\\\\s*',\n        rNumberCommaWsp = '(' + rNumber + ')' + fabric.commaWsp,\n        rFlagCommaWsp = '([01])' + fabric.commaWsp + '?',\n        rArcSeq = rNumberCommaWsp + '?' + rNumberCommaWsp + '?' + rNumberCommaWsp + rFlagCommaWsp + rFlagCommaWsp +\n          rNumberCommaWsp + '?(' + rNumber + ')',\n        regArcArgumentSequence = new RegExp(rArcSeq, 'g'),\n        match,\n        coordsStr,\n        // one of commands (m,M,l,L,q,Q,c,C,etc.) followed by non-command characters (i.e. command values)\n        path;\n    if (!pathString || !pathString.match) {\n      return result;\n    }\n    path = pathString.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi);\n\n    for (var i = 0, coordsParsed, len = path.length; i < len; i++) {\n      currentPath = path[i];\n\n      coordsStr = currentPath.slice(1).trim();\n      coords.length = 0;\n\n      var command = currentPath.charAt(0);\n      coordsParsed = [command];\n\n      if (command.toLowerCase() === 'a') {\n        // arcs have special flags that apparently don't require spaces so handle special\n        for (var args; (args = regArcArgumentSequence.exec(coordsStr));) {\n          for (var j = 1; j < args.length; j++) {\n            coords.push(args[j]);\n          }\n        }\n      }\n      else {\n        while ((match = re.exec(coordsStr))) {\n          coords.push(match[0]);\n        }\n      }\n\n      for (var j = 0, jlen = coords.length; j < jlen; j++) {\n        parsed = parseFloat(coords[j]);\n        if (!isNaN(parsed)) {\n          coordsParsed.push(parsed);\n        }\n      }\n\n      var commandLength = commandLengths[command.toLowerCase()],\n          repeatedCommand = repeatedCommands[command] || command;\n\n      if (coordsParsed.length - 1 > commandLength) {\n        for (var k = 1, klen = coordsParsed.length; k < klen; k += commandLength) {\n          result.push([command].concat(coordsParsed.slice(k, k + commandLength)));\n          command = repeatedCommand;\n        }\n      }\n      else {\n        result.push(coordsParsed);\n      }\n    }\n\n    return result;\n  };\n\n  /**\n   * Calculate bounding box of a elliptic-arc\n   * @deprecated\n   * @param {Number} fx start point of arc\n   * @param {Number} fy\n   * @param {Number} rx horizontal radius\n   * @param {Number} ry vertical radius\n   * @param {Number} rot angle of horizontal axis\n   * @param {Number} large 1 or 0, whatever the arc is the big or the small on the 2 points\n   * @param {Number} sweep 1 or 0, 1 clockwise or counterclockwise direction\n   * @param {Number} tx end point of arc\n   * @param {Number} ty\n   */\n  function getBoundsOfArc(fx, fy, rx, ry, rot, large, sweep, tx, ty) {\n\n    var fromX = 0, fromY = 0, bound, bounds = [],\n        segs = arcToSegments(tx - fx, ty - fy, rx, ry, large, sweep, rot);\n\n    for (var i = 0, len = segs.length; i < len; i++) {\n      bound = getBoundsOfCurve(fromX, fromY, segs[i][1], segs[i][2], segs[i][3], segs[i][4], segs[i][5], segs[i][6]);\n      bounds.push({ x: bound[0].x + fx, y: bound[0].y + fy });\n      bounds.push({ x: bound[1].x + fx, y: bound[1].y + fy });\n      fromX = segs[i][5];\n      fromY = segs[i][6];\n    }\n    return bounds;\n  };\n\n  /**\n   * Draws arc\n   * @deprecated\n   * @param {CanvasRenderingContext2D} ctx\n   * @param {Number} fx\n   * @param {Number} fy\n   * @param {Array} coords coords of the arc, without the front 'A/a'\n   */\n  function drawArc(ctx, fx, fy, coords) {\n    coords = coords.slice(0).unshift('X'); // command A or a does not matter\n    var beziers = fromArcToBeziers(fx, fy, coords);\n    beziers.forEach(function(bezier) {\n      ctx.bezierCurveTo.apply(ctx, bezier.slice(1));\n    });\n  };\n\n  fabric.util.parsePath = parsePath;\n  fabric.util.makePathSimpler = makePathSimpler;\n  fabric.util.getPathSegmentsInfo = getPathSegmentsInfo;\n  fabric.util.fromArcToBeziers = fromArcToBeziers;\n  /**\n   * Typo of `fromArcToBeziers` kept for not breaking the api once corrected.\n   * Will be removed in fabric 5.0\n   * @deprecated\n   */\n  fabric.util.fromArcToBeizers = fromArcToBeziers;\n  fabric.util.getBoundsOfCurve = getBoundsOfCurve;\n  fabric.util.getPointOnPath = getPointOnPath;\n  // kept because we do not want to make breaking changes.\n  // but useless and deprecated.\n  fabric.util.getBoundsOfArc = getBoundsOfArc;\n  fabric.util.drawArc = drawArc;\n})();\n\n\n(function() {\n\n  var slice = Array.prototype.slice;\n\n  /**\n   * Invokes method on all items in a given array\n   * @memberOf fabric.util.array\n   * @param {Array} array Array to iterate over\n   * @param {String} method Name of a method to invoke\n   * @return {Array}\n   */\n  function invoke(array, method) {\n    var args = slice.call(arguments, 2), result = [];\n    for (var i = 0, len = array.length; i < len; i++) {\n      result[i] = args.length ? array[i][method].apply(array[i], args) : array[i][method].call(array[i]);\n    }\n    return result;\n  }\n\n  /**\n   * Finds maximum value in array (not necessarily \"first\" one)\n   * @memberOf fabric.util.array\n   * @param {Array} array Array to iterate over\n   * @param {String} byProperty\n   * @return {*}\n   */\n  function max(array, byProperty) {\n    return find(array, byProperty, function(value1, value2) {\n      return value1 >= value2;\n    });\n  }\n\n  /**\n   * Finds minimum value in array (not necessarily \"first\" one)\n   * @memberOf fabric.util.array\n   * @param {Array} array Array to iterate over\n   * @param {String} byProperty\n   * @return {*}\n   */\n  function min(array, byProperty) {\n    return find(array, byProperty, function(value1, value2) {\n      return value1 < value2;\n    });\n  }\n\n  /**\n   * @private\n   */\n  function fill(array, value) {\n    var k = array.length;\n    while (k--) {\n      array[k] = value;\n    }\n    return array;\n  }\n\n  /**\n   * @private\n   */\n  function find(array, byProperty, condition) {\n    if (!array || array.length === 0) {\n      return;\n    }\n\n    var i = array.length - 1,\n        result = byProperty ? array[i][byProperty] : array[i];\n    if (byProperty) {\n      while (i--) {\n        if (condition(array[i][byProperty], result)) {\n          result = array[i][byProperty];\n        }\n      }\n    }\n    else {\n      while (i--) {\n        if (condition(array[i], result)) {\n          result = array[i];\n        }\n      }\n    }\n    return result;\n  }\n\n  /**\n   * @namespace fabric.util.array\n   */\n  fabric.util.array = {\n    fill: fill,\n    invoke: invoke,\n    min: min,\n    max: max\n  };\n\n})();\n\n\n(function() {\n  /**\n   * Copies all enumerable properties of one js object to another\n   * this does not and cannot compete with generic utils.\n   * Does not clone or extend fabric.Object subclasses.\n   * This is mostly for internal use and has extra handling for fabricJS objects\n   * it skips the canvas and group properties in deep cloning.\n   * @memberOf fabric.util.object\n   * @param {Object} destination Where to copy to\n   * @param {Object} source Where to copy from\n   * @return {Object}\n   */\n\n  function extend(destination, source, deep) {\n    // JScript DontEnum bug is not taken care of\n    // the deep clone is for internal use, is not meant to avoid\n    // javascript traps or cloning html element or self referenced objects.\n    if (deep) {\n      if (!fabric.isLikelyNode && source instanceof Element) {\n        // avoid cloning deep images, canvases,\n        destination = source;\n      }\n      else if (source instanceof Array) {\n        destination = [];\n        for (var i = 0, len = source.length; i < len; i++) {\n          destination[i] = extend({ }, source[i], deep);\n        }\n      }\n      else if (source && typeof source === 'object') {\n        for (var property in source) {\n          if (property === 'canvas' || property === 'group') {\n            // we do not want to clone this props at all.\n            // we want to keep the keys in the copy\n            destination[property] = null;\n          }\n          else if (source.hasOwnProperty(property)) {\n            destination[property] = extend({ }, source[property], deep);\n          }\n        }\n      }\n      else {\n        // this sounds odd for an extend but is ok for recursive use\n        destination = source;\n      }\n    }\n    else {\n      for (var property in source) {\n        destination[property] = source[property];\n      }\n    }\n    return destination;\n  }\n\n  /**\n   * Creates an empty object and copies all enumerable properties of another object to it\n   * @memberOf fabric.util.object\n   * TODO: this function return an empty object if you try to clone null\n   * @param {Object} object Object to clone\n   * @return {Object}\n   */\n  function clone(object, deep) {\n    return extend({ }, object, deep);\n  }\n\n  /** @namespace fabric.util.object */\n  fabric.util.object = {\n    extend: extend,\n    clone: clone\n  };\n  fabric.util.object.extend(fabric.util, fabric.Observable);\n})();\n\n\n(function() {\n\n  /**\n   * Camelizes a string\n   * @memberOf fabric.util.string\n   * @param {String} string String to camelize\n   * @return {String} Camelized version of a string\n   */\n  function camelize(string) {\n    return string.replace(/-+(.)?/g, function(match, character) {\n      return character ? character.toUpperCase() : '';\n    });\n  }\n\n  /**\n   * Capitalizes a string\n   * @memberOf fabric.util.string\n   * @param {String} string String to capitalize\n   * @param {Boolean} [firstLetterOnly] If true only first letter is capitalized\n   * and other letters stay untouched, if false first letter is capitalized\n   * and other letters are converted to lowercase.\n   * @return {String} Capitalized version of a string\n   */\n  function capitalize(string, firstLetterOnly) {\n    return string.charAt(0).toUpperCase() +\n      (firstLetterOnly ? string.slice(1) : string.slice(1).toLowerCase());\n  }\n\n  /**\n   * Escapes XML in a string\n   * @memberOf fabric.util.string\n   * @param {String} string String to escape\n   * @return {String} Escaped version of a string\n   */\n  function escapeXml(string) {\n    return string.replace(/&/g, '&amp;')\n      .replace(/\"/g, '&quot;')\n      .replace(/'/g, '&apos;')\n      .replace(/</g, '&lt;')\n      .replace(/>/g, '&gt;');\n  }\n\n  /**\n   * Divide a string in the user perceived single units\n   * @memberOf fabric.util.string\n   * @param {String} textstring String to escape\n   * @return {Array} array containing the graphemes\n   */\n  function graphemeSplit(textstring) {\n    var i = 0, chr, graphemes = [];\n    for (i = 0, chr; i < textstring.length; i++) {\n      if ((chr = getWholeChar(textstring, i)) === false) {\n        continue;\n      }\n      graphemes.push(chr);\n    }\n    return graphemes;\n  }\n\n  // taken from mdn in the charAt doc page.\n  function getWholeChar(str, i) {\n    var code = str.charCodeAt(i);\n\n    if (isNaN(code)) {\n      return ''; // Position not found\n    }\n    if (code < 0xD800 || code > 0xDFFF) {\n      return str.charAt(i);\n    }\n\n    // High surrogate (could change last hex to 0xDB7F to treat high private\n    // surrogates as single characters)\n    if (0xD800 <= code && code <= 0xDBFF) {\n      if (str.length <= (i + 1)) {\n        throw 'High surrogate without following low surrogate';\n      }\n      var next = str.charCodeAt(i + 1);\n      if (0xDC00 > next || next > 0xDFFF) {\n        throw 'High surrogate without following low surrogate';\n      }\n      return str.charAt(i) + str.charAt(i + 1);\n    }\n    // Low surrogate (0xDC00 <= code && code <= 0xDFFF)\n    if (i === 0) {\n      throw 'Low surrogate without preceding high surrogate';\n    }\n    var prev = str.charCodeAt(i - 1);\n\n    // (could change last hex to 0xDB7F to treat high private\n    // surrogates as single characters)\n    if (0xD800 > prev || prev > 0xDBFF) {\n      throw 'Low surrogate without preceding high surrogate';\n    }\n    // We can pass over low surrogates now as the second component\n    // in a pair which we have already processed\n    return false;\n  }\n\n\n  /**\n   * String utilities\n   * @namespace fabric.util.string\n   */\n  fabric.util.string = {\n    camelize: camelize,\n    capitalize: capitalize,\n    escapeXml: escapeXml,\n    graphemeSplit: graphemeSplit\n  };\n})();\n\n\n(function() {\n\n  var slice = Array.prototype.slice, emptyFunction = function() { },\n\n      IS_DONTENUM_BUGGY = (function() {\n        for (var p in { toString: 1 }) {\n          if (p === 'toString') {\n            return false;\n          }\n        }\n        return true;\n      })(),\n\n      /** @ignore */\n      addMethods = function(klass, source, parent) {\n        for (var property in source) {\n\n          if (property in klass.prototype &&\n              typeof klass.prototype[property] === 'function' &&\n              (source[property] + '').indexOf('callSuper') > -1) {\n\n            klass.prototype[property] = (function(property) {\n              return function() {\n\n                var superclass = this.constructor.superclass;\n                this.constructor.superclass = parent;\n                var returnValue = source[property].apply(this, arguments);\n                this.constructor.superclass = superclass;\n\n                if (property !== 'initialize') {\n                  return returnValue;\n                }\n              };\n            })(property);\n          }\n          else {\n            klass.prototype[property] = source[property];\n          }\n\n          if (IS_DONTENUM_BUGGY) {\n            if (source.toString !== Object.prototype.toString) {\n              klass.prototype.toString = source.toString;\n            }\n            if (source.valueOf !== Object.prototype.valueOf) {\n              klass.prototype.valueOf = source.valueOf;\n            }\n          }\n        }\n      };\n\n  function Subclass() { }\n\n  function callSuper(methodName) {\n    var parentMethod = null,\n        _this = this;\n\n    // climb prototype chain to find method not equal to callee's method\n    while (_this.constructor.superclass) {\n      var superClassMethod = _this.constructor.superclass.prototype[methodName];\n      if (_this[methodName] !== superClassMethod) {\n        parentMethod = superClassMethod;\n        break;\n      }\n      // eslint-disable-next-line\n      _this = _this.constructor.superclass.prototype;\n    }\n\n    if (!parentMethod) {\n      return console.log('tried to callSuper ' + methodName + ', method not found in prototype chain', this);\n    }\n\n    return (arguments.length > 1)\n      ? parentMethod.apply(this, slice.call(arguments, 1))\n      : parentMethod.call(this);\n  }\n\n  /**\n   * Helper for creation of \"classes\".\n   * @memberOf fabric.util\n   * @param {Function} [parent] optional \"Class\" to inherit from\n   * @param {Object} [properties] Properties shared by all instances of this class\n   *                  (be careful modifying objects defined here as this would affect all instances)\n   */\n  function createClass() {\n    var parent = null,\n        properties = slice.call(arguments, 0);\n\n    if (typeof properties[0] === 'function') {\n      parent = properties.shift();\n    }\n    function klass() {\n      this.initialize.apply(this, arguments);\n    }\n\n    klass.superclass = parent;\n    klass.subclasses = [];\n\n    if (parent) {\n      Subclass.prototype = parent.prototype;\n      klass.prototype = new Subclass();\n      parent.subclasses.push(klass);\n    }\n    for (var i = 0, length = properties.length; i < length; i++) {\n      addMethods(klass, properties[i], parent);\n    }\n    if (!klass.prototype.initialize) {\n      klass.prototype.initialize = emptyFunction;\n    }\n    klass.prototype.constructor = klass;\n    klass.prototype.callSuper = callSuper;\n    return klass;\n  }\n\n  fabric.util.createClass = createClass;\n})();\n\n\n(function () {\n  // since ie11 can use addEventListener but they do not support options, i need to check\n  var couldUseAttachEvent = !!fabric.document.createElement('div').attachEvent,\n      touchEvents = ['touchstart', 'touchmove', 'touchend'];\n  /**\n   * Adds an event listener to an element\n   * @function\n   * @memberOf fabric.util\n   * @param {HTMLElement} element\n   * @param {String} eventName\n   * @param {Function} handler\n   */\n  fabric.util.addListener = function(element, eventName, handler, options) {\n    element && element.addEventListener(eventName, handler, couldUseAttachEvent ? false : options);\n  };\n\n  /**\n   * Removes an event listener from an element\n   * @function\n   * @memberOf fabric.util\n   * @param {HTMLElement} element\n   * @param {String} eventName\n   * @param {Function} handler\n   */\n  fabric.util.removeListener = function(element, eventName, handler, options) {\n    element && element.removeEventListener(eventName, handler, couldUseAttachEvent ? false : options);\n  };\n\n  function getTouchInfo(event) {\n    var touchProp = event.changedTouches;\n    if (touchProp && touchProp[0]) {\n      return touchProp[0];\n    }\n    return event;\n  }\n\n  fabric.util.getPointer = function(event) {\n    var element = event.target,\n        scroll = fabric.util.getScrollLeftTop(element),\n        _evt = getTouchInfo(event);\n    return {\n      x: _evt.clientX + scroll.left,\n      y: _evt.clientY + scroll.top\n    };\n  };\n\n  fabric.util.isTouchEvent = function(event) {\n    return touchEvents.indexOf(event.type) > -1 || event.pointerType === 'touch';\n  };\n})();\n\n\n(function () {\n\n  /**\n   * Cross-browser wrapper for setting element's style\n   * @memberOf fabric.util\n   * @param {HTMLElement} element\n   * @param {Object} styles\n   * @return {HTMLElement} Element that was passed as a first argument\n   */\n  function setStyle(element, styles) {\n    var elementStyle = element.style;\n    if (!elementStyle) {\n      return element;\n    }\n    if (typeof styles === 'string') {\n      element.style.cssText += ';' + styles;\n      return styles.indexOf('opacity') > -1\n        ? setOpacity(element, styles.match(/opacity:\\s*(\\d?\\.?\\d*)/)[1])\n        : element;\n    }\n    for (var property in styles) {\n      if (property === 'opacity') {\n        setOpacity(element, styles[property]);\n      }\n      else {\n        var normalizedProperty = (property === 'float' || property === 'cssFloat')\n          ? (typeof elementStyle.styleFloat === 'undefined' ? 'cssFloat' : 'styleFloat')\n          : property;\n        elementStyle[normalizedProperty] = styles[property];\n      }\n    }\n    return element;\n  }\n\n  var parseEl = fabric.document.createElement('div'),\n      supportsOpacity = typeof parseEl.style.opacity === 'string',\n      supportsFilters = typeof parseEl.style.filter === 'string',\n      reOpacity = /alpha\\s*\\(\\s*opacity\\s*=\\s*([^\\)]+)\\)/,\n\n      /** @ignore */\n      setOpacity = function (element) { return element; };\n\n  if (supportsOpacity) {\n    /** @ignore */\n    setOpacity = function(element, value) {\n      element.style.opacity = value;\n      return element;\n    };\n  }\n  else if (supportsFilters) {\n    /** @ignore */\n    setOpacity = function(element, value) {\n      var es = element.style;\n      if (element.currentStyle && !element.currentStyle.hasLayout) {\n        es.zoom = 1;\n      }\n      if (reOpacity.test(es.filter)) {\n        value = value >= 0.9999 ? '' : ('alpha(opacity=' + (value * 100) + ')');\n        es.filter = es.filter.replace(reOpacity, value);\n      }\n      else {\n        es.filter += ' alpha(opacity=' + (value * 100) + ')';\n      }\n      return element;\n    };\n  }\n\n  fabric.util.setStyle = setStyle;\n\n})();\n\n\n(function() {\n\n  var _slice = Array.prototype.slice;\n\n  /**\n   * Takes id and returns an element with that id (if one exists in a document)\n   * @memberOf fabric.util\n   * @param {String|HTMLElement} id\n   * @return {HTMLElement|null}\n   */\n  function getById(id) {\n    return typeof id === 'string' ? fabric.document.getElementById(id) : id;\n  }\n\n  var sliceCanConvertNodelists,\n      /**\n       * Converts an array-like object (e.g. arguments or NodeList) to an array\n       * @memberOf fabric.util\n       * @param {Object} arrayLike\n       * @return {Array}\n       */\n      toArray = function(arrayLike) {\n        return _slice.call(arrayLike, 0);\n      };\n\n  try {\n    sliceCanConvertNodelists = toArray(fabric.document.childNodes) instanceof Array;\n  }\n  catch (err) { }\n\n  if (!sliceCanConvertNodelists) {\n    toArray = function(arrayLike) {\n      var arr = new Array(arrayLike.length), i = arrayLike.length;\n      while (i--) {\n        arr[i] = arrayLike[i];\n      }\n      return arr;\n    };\n  }\n\n  /**\n   * Creates specified element with specified attributes\n   * @memberOf fabric.util\n   * @param {String} tagName Type of an element to create\n   * @param {Object} [attributes] Attributes to set on an element\n   * @return {HTMLElement} Newly created element\n   */\n  function makeElement(tagName, attributes) {\n    var el = fabric.document.createElement(tagName);\n    for (var prop in attributes) {\n      if (prop === 'class') {\n        el.className = attributes[prop];\n      }\n      else if (prop === 'for') {\n        el.htmlFor = attributes[prop];\n      }\n      else {\n        el.setAttribute(prop, attributes[prop]);\n      }\n    }\n    return el;\n  }\n\n  /**\n   * Adds class to an element\n   * @memberOf fabric.util\n   * @param {HTMLElement} element Element to add class to\n   * @param {String} className Class to add to an element\n   */\n  function addClass(element, className) {\n    if (element && (' ' + element.className + ' ').indexOf(' ' + className + ' ') === -1) {\n      element.className += (element.className ? ' ' : '') + className;\n    }\n  }\n\n  /**\n   * Wraps element with another element\n   * @memberOf fabric.util\n   * @param {HTMLElement} element Element to wrap\n   * @param {HTMLElement|String} wrapper Element to wrap with\n   * @param {Object} [attributes] Attributes to set on a wrapper\n   * @return {HTMLElement} wrapper\n   */\n  function wrapElement(element, wrapper, attributes) {\n    if (typeof wrapper === 'string') {\n      wrapper = makeElement(wrapper, attributes);\n    }\n    if (element.parentNode) {\n      element.parentNode.replaceChild(wrapper, element);\n    }\n    wrapper.appendChild(element);\n    return wrapper;\n  }\n\n  /**\n   * Returns element scroll offsets\n   * @memberOf fabric.util\n   * @param {HTMLElement} element Element to operate on\n   * @return {Object} Object with left/top values\n   */\n  function getScrollLeftTop(element) {\n\n    var left = 0,\n        top = 0,\n        docElement = fabric.document.documentElement,\n        body = fabric.document.body || {\n          scrollLeft: 0, scrollTop: 0\n        };\n\n    // While loop checks (and then sets element to) .parentNode OR .host\n    //  to account for ShadowDOM. We still want to traverse up out of ShadowDOM,\n    //  but the .parentNode of a root ShadowDOM node will always be null, instead\n    //  it should be accessed through .host. See http://stackoverflow.com/a/24765528/4383938\n    while (element && (element.parentNode || element.host)) {\n\n      // Set element to element parent, or 'host' in case of ShadowDOM\n      element = element.parentNode || element.host;\n\n      if (element === fabric.document) {\n        left = body.scrollLeft || docElement.scrollLeft || 0;\n        top = body.scrollTop ||  docElement.scrollTop || 0;\n      }\n      else {\n        left += element.scrollLeft || 0;\n        top += element.scrollTop || 0;\n      }\n\n      if (element.nodeType === 1 && element.style.position === 'fixed') {\n        break;\n      }\n    }\n\n    return { left: left, top: top };\n  }\n\n  /**\n   * Returns offset for a given element\n   * @function\n   * @memberOf fabric.util\n   * @param {HTMLElement} element Element to get offset for\n   * @return {Object} Object with \"left\" and \"top\" properties\n   */\n  function getElementOffset(element) {\n    var docElem,\n        doc = element && element.ownerDocument,\n        box = { left: 0, top: 0 },\n        offset = { left: 0, top: 0 },\n        scrollLeftTop,\n        offsetAttributes = {\n          borderLeftWidth: 'left',\n          borderTopWidth:  'top',\n          paddingLeft:     'left',\n          paddingTop:      'top'\n        };\n\n    if (!doc) {\n      return offset;\n    }\n\n    for (var attr in offsetAttributes) {\n      offset[offsetAttributes[attr]] += parseInt(getElementStyle(element, attr), 10) || 0;\n    }\n\n    docElem = doc.documentElement;\n    if ( typeof element.getBoundingClientRect !== 'undefined' ) {\n      box = element.getBoundingClientRect();\n    }\n\n    scrollLeftTop = getScrollLeftTop(element);\n\n    return {\n      left: box.left + scrollLeftTop.left - (docElem.clientLeft || 0) + offset.left,\n      top: box.top + scrollLeftTop.top - (docElem.clientTop || 0)  + offset.top\n    };\n  }\n\n  /**\n   * Returns style attribute value of a given element\n   * @memberOf fabric.util\n   * @param {HTMLElement} element Element to get style attribute for\n   * @param {String} attr Style attribute to get for element\n   * @return {String} Style attribute value of the given element.\n   */\n  var getElementStyle;\n  if (fabric.document.defaultView && fabric.document.defaultView.getComputedStyle) {\n    getElementStyle = function(element, attr) {\n      var style = fabric.document.defaultView.getComputedStyle(element, null);\n      return style ? style[attr] : undefined;\n    };\n  }\n  else {\n    getElementStyle = function(element, attr) {\n      var value = element.style[attr];\n      if (!value && element.currentStyle) {\n        value = element.currentStyle[attr];\n      }\n      return value;\n    };\n  }\n\n  (function () {\n    var style = fabric.document.documentElement.style,\n        selectProp = 'userSelect' in style\n          ? 'userSelect'\n          : 'MozUserSelect' in style\n            ? 'MozUserSelect'\n            : 'WebkitUserSelect' in style\n              ? 'WebkitUserSelect'\n              : 'KhtmlUserSelect' in style\n                ? 'KhtmlUserSelect'\n                : '';\n\n    /**\n     * Makes element unselectable\n     * @memberOf fabric.util\n     * @param {HTMLElement} element Element to make unselectable\n     * @return {HTMLElement} Element that was passed in\n     */\n    function makeElementUnselectable(element) {\n      if (typeof element.onselectstart !== 'undefined') {\n        element.onselectstart = fabric.util.falseFunction;\n      }\n      if (selectProp) {\n        element.style[selectProp] = 'none';\n      }\n      else if (typeof element.unselectable === 'string') {\n        element.unselectable = 'on';\n      }\n      return element;\n    }\n\n    /**\n     * Makes element selectable\n     * @memberOf fabric.util\n     * @param {HTMLElement} element Element to make selectable\n     * @return {HTMLElement} Element that was passed in\n     */\n    function makeElementSelectable(element) {\n      if (typeof element.onselectstart !== 'undefined') {\n        element.onselectstart = null;\n      }\n      if (selectProp) {\n        element.style[selectProp] = '';\n      }\n      else if (typeof element.unselectable === 'string') {\n        element.unselectable = '';\n      }\n      return element;\n    }\n\n    fabric.util.makeElementUnselectable = makeElementUnselectable;\n    fabric.util.makeElementSelectable = makeElementSelectable;\n  })();\n\n  function getNodeCanvas(element) {\n    var impl = fabric.jsdomImplForWrapper(element);\n    return impl._canvas || impl._image;\n  };\n\n  function cleanUpJsdomNode(element) {\n    if (!fabric.isLikelyNode) {\n      return;\n    }\n    var impl = fabric.jsdomImplForWrapper(element);\n    if (impl) {\n      impl._image = null;\n      impl._canvas = null;\n      // unsure if necessary\n      impl._currentSrc = null;\n      impl._attributes = null;\n      impl._classList = null;\n    }\n  }\n\n  function setImageSmoothing(ctx, value) {\n    ctx.imageSmoothingEnabled = ctx.imageSmoothingEnabled || ctx.webkitImageSmoothingEnabled\n      || ctx.mozImageSmoothingEnabled || ctx.msImageSmoothingEnabled || ctx.oImageSmoothingEnabled;\n    ctx.imageSmoothingEnabled = value;\n  }\n\n  /**\n   * setImageSmoothing sets the context imageSmoothingEnabled property.\n   * Used by canvas and by ImageObject.\n   * @memberOf fabric.util\n   * @since 4.0.0\n   * @param {HTMLRenderingContext2D} ctx to set on\n   * @param {Boolean} value true or false\n   */\n  fabric.util.setImageSmoothing = setImageSmoothing;\n  fabric.util.getById = getById;\n  fabric.util.toArray = toArray;\n  fabric.util.addClass = addClass;\n  fabric.util.makeElement = makeElement;\n  fabric.util.wrapElement = wrapElement;\n  fabric.util.getScrollLeftTop = getScrollLeftTop;\n  fabric.util.getElementOffset = getElementOffset;\n  fabric.util.getNodeCanvas = getNodeCanvas;\n  fabric.util.cleanUpJsdomNode = cleanUpJsdomNode;\n\n})();\n\n\n(function() {\n\n  function addParamToUrl(url, param) {\n    return url + (/\\?/.test(url) ? '&' : '?') + param;\n  }\n\n  function emptyFn() { }\n\n  /**\n   * Cross-browser abstraction for sending XMLHttpRequest\n   * @memberOf fabric.util\n   * @param {String} url URL to send XMLHttpRequest to\n   * @param {Object} [options] Options object\n   * @param {String} [options.method=\"GET\"]\n   * @param {String} [options.parameters] parameters to append to url in GET or in body\n   * @param {String} [options.body] body to send with POST or PUT request\n   * @param {Function} options.onComplete Callback to invoke when request is completed\n   * @return {XMLHttpRequest} request\n   */\n  function request(url, options) {\n    options || (options = { });\n\n    var method = options.method ? options.method.toUpperCase() : 'GET',\n        onComplete = options.onComplete || function() { },\n        xhr = new fabric.window.XMLHttpRequest(),\n        body = options.body || options.parameters;\n\n    /** @ignore */\n    xhr.onreadystatechange = function() {\n      if (xhr.readyState === 4) {\n        onComplete(xhr);\n        xhr.onreadystatechange = emptyFn;\n      }\n    };\n\n    if (method === 'GET') {\n      body = null;\n      if (typeof options.parameters === 'string') {\n        url = addParamToUrl(url, options.parameters);\n      }\n    }\n\n    xhr.open(method, url, true);\n\n    if (method === 'POST' || method === 'PUT') {\n      xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');\n    }\n\n    xhr.send(body);\n    return xhr;\n  }\n\n  fabric.util.request = request;\n})();\n\n\n/**\n * Wrapper around `console.log` (when available)\n * @param {*} [values] Values to log\n */\nfabric.log = console.log;\n\n/**\n * Wrapper around `console.warn` (when available)\n * @param {*} [values] Values to log as a warning\n */\nfabric.warn = console.warn;\n\n\n(function() {\n\n  function noop() {\n    return false;\n  }\n\n  function defaultEasing(t, b, c, d) {\n    return -c * Math.cos(t / d * (Math.PI / 2)) + c + b;\n  }\n\n  /**\n   * Changes value from one to another within certain period of time, invoking callbacks as value is being changed.\n   * @memberOf fabric.util\n   * @param {Object} [options] Animation options\n   * @param {Function} [options.onChange] Callback; invoked on every value change\n   * @param {Function} [options.onComplete] Callback; invoked when value change is completed\n   * @param {Number} [options.startValue=0] Starting value\n   * @param {Number} [options.endValue=100] Ending value\n   * @param {Number} [options.byValue=100] Value to modify the property by\n   * @param {Function} [options.easing] Easing function\n   * @param {Number} [options.duration=500] Duration of change (in ms)\n   * @param {Function} [options.abort] Additional function with logic. If returns true, onComplete is called.\n   */\n  function animate(options) {\n\n    requestAnimFrame(function(timestamp) {\n      options || (options = { });\n\n      var start = timestamp || +new Date(),\n          duration = options.duration || 500,\n          finish = start + duration, time,\n          onChange = options.onChange || noop,\n          abort = options.abort || noop,\n          onComplete = options.onComplete || noop,\n          easing = options.easing || defaultEasing,\n          startValue = 'startValue' in options ? options.startValue : 0,\n          endValue = 'endValue' in options ? options.endValue : 100,\n          byValue = options.byValue || endValue - startValue;\n\n      options.onStart && options.onStart();\n\n      (function tick(ticktime) {\n        // TODO: move abort call after calculation\n        // and pass (current,valuePerc, timePerc) as arguments\n        time = ticktime || +new Date();\n        var currentTime = time > finish ? duration : (time - start),\n            timePerc = currentTime / duration,\n            current = easing(currentTime, startValue, byValue, duration),\n            valuePerc = Math.abs((current - startValue) / byValue);\n        if (abort()) {\n          onComplete(endValue, 1, 1);\n          return;\n        }\n        if (time > finish) {\n          onChange(endValue, 1, 1);\n          onComplete(endValue, 1, 1);\n          return;\n        }\n        else {\n          onChange(current, valuePerc, timePerc);\n          requestAnimFrame(tick);\n        }\n      })(start);\n    });\n  }\n\n  var _requestAnimFrame = fabric.window.requestAnimationFrame       ||\n                          fabric.window.webkitRequestAnimationFrame ||\n                          fabric.window.mozRequestAnimationFrame    ||\n                          fabric.window.oRequestAnimationFrame      ||\n                          fabric.window.msRequestAnimationFrame     ||\n                          function(callback) {\n                            return fabric.window.setTimeout(callback, 1000 / 60);\n                          };\n\n  var _cancelAnimFrame = fabric.window.cancelAnimationFrame || fabric.window.clearTimeout;\n\n  /**\n   * requestAnimationFrame polyfill based on http://paulirish.com/2011/requestanimationframe-for-smart-animating/\n   * In order to get a precise start time, `requestAnimFrame` should be called as an entry into the method\n   * @memberOf fabric.util\n   * @param {Function} callback Callback to invoke\n   * @param {DOMElement} element optional Element to associate with animation\n   */\n  function requestAnimFrame() {\n    return _requestAnimFrame.apply(fabric.window, arguments);\n  }\n\n  function cancelAnimFrame() {\n    return _cancelAnimFrame.apply(fabric.window, arguments);\n  }\n\n  fabric.util.animate = animate;\n  fabric.util.requestAnimFrame = requestAnimFrame;\n  fabric.util.cancelAnimFrame = cancelAnimFrame;\n})();\n\n\n(function() {\n  // Calculate an in-between color. Returns a \"rgba()\" string.\n  // Credit: Edwin Martin <edwin@bitstorm.org>\n  //         http://www.bitstorm.org/jquery/color-animation/jquery.animate-colors.js\n  function calculateColor(begin, end, pos) {\n    var color = 'rgba('\n        + parseInt((begin[0] + pos * (end[0] - begin[0])), 10) + ','\n        + parseInt((begin[1] + pos * (end[1] - begin[1])), 10) + ','\n        + parseInt((begin[2] + pos * (end[2] - begin[2])), 10);\n\n    color += ',' + (begin && end ? parseFloat(begin[3] + pos * (end[3] - begin[3])) : 1);\n    color += ')';\n    return color;\n  }\n\n  /**\n   * Changes the color from one to another within certain period of time, invoking callbacks as value is being changed.\n   * @memberOf fabric.util\n   * @param {String} fromColor The starting color in hex or rgb(a) format.\n   * @param {String} toColor The starting color in hex or rgb(a) format.\n   * @param {Number} [duration] Duration of change (in ms).\n   * @param {Object} [options] Animation options\n   * @param {Function} [options.onChange] Callback; invoked on every value change\n   * @param {Function} [options.onComplete] Callback; invoked when value change is completed\n   * @param {Function} [options.colorEasing] Easing function. Note that this function only take two arguments (currentTime, duration). Thus the regular animation easing functions cannot be used.\n   * @param {Function} [options.abort] Additional function with logic. If returns true, onComplete is called.\n   */\n  function animateColor(fromColor, toColor, duration, options) {\n    var startColor = new fabric.Color(fromColor).getSource(),\n        endColor = new fabric.Color(toColor).getSource(),\n        originalOnComplete = options.onComplete,\n        originalOnChange = options.onChange;\n    options = options || {};\n\n    fabric.util.animate(fabric.util.object.extend(options, {\n      duration: duration || 500,\n      startValue: startColor,\n      endValue: endColor,\n      byValue: endColor,\n      easing: function (currentTime, startValue, byValue, duration) {\n        var posValue = options.colorEasing\n          ? options.colorEasing(currentTime, duration)\n          : 1 - Math.cos(currentTime / duration * (Math.PI / 2));\n        return calculateColor(startValue, byValue, posValue);\n      },\n      // has to take in account for color restoring;\n      onComplete: function(current, valuePerc, timePerc) {\n        if (originalOnComplete) {\n          return originalOnComplete(\n            calculateColor(endColor, endColor, 0),\n            valuePerc,\n            timePerc\n          );\n        }\n      },\n      onChange: function(current, valuePerc, timePerc) {\n        if (originalOnChange) {\n          if (Array.isArray(current)) {\n            return originalOnChange(\n              calculateColor(current, current, 0),\n              valuePerc,\n              timePerc\n            );\n          }\n          originalOnChange(current, valuePerc, timePerc);\n        }\n      }\n    }));\n  }\n\n  fabric.util.animateColor = animateColor;\n\n})();\n\n\n(function() {\n\n  function normalize(a, c, p, s) {\n    if (a < Math.abs(c)) {\n      a = c;\n      s = p / 4;\n    }\n    else {\n      //handle the 0/0 case:\n      if (c === 0 && a === 0) {\n        s = p / (2 * Math.PI) * Math.asin(1);\n      }\n      else {\n        s = p / (2 * Math.PI) * Math.asin(c / a);\n      }\n    }\n    return { a: a, c: c, p: p, s: s };\n  }\n\n  function elastic(opts, t, d) {\n    return opts.a *\n      Math.pow(2, 10 * (t -= 1)) *\n      Math.sin( (t * d - opts.s) * (2 * Math.PI) / opts.p );\n  }\n\n  /**\n   * Cubic easing out\n   * @memberOf fabric.util.ease\n   */\n  function easeOutCubic(t, b, c, d) {\n    return c * ((t = t / d - 1) * t * t + 1) + b;\n  }\n\n  /**\n   * Cubic easing in and out\n   * @memberOf fabric.util.ease\n   */\n  function easeInOutCubic(t, b, c, d) {\n    t /= d / 2;\n    if (t < 1) {\n      return c / 2 * t * t * t + b;\n    }\n    return c / 2 * ((t -= 2) * t * t + 2) + b;\n  }\n\n  /**\n   * Quartic easing in\n   * @memberOf fabric.util.ease\n   */\n  function easeInQuart(t, b, c, d) {\n    return c * (t /= d) * t * t * t + b;\n  }\n\n  /**\n   * Quartic easing out\n   * @memberOf fabric.util.ease\n   */\n  function easeOutQuart(t, b, c, d) {\n    return -c * ((t = t / d - 1) * t * t * t - 1) + b;\n  }\n\n  /**\n   * Quartic easing in and out\n   * @memberOf fabric.util.ease\n   */\n  function easeInOutQuart(t, b, c, d) {\n    t /= d / 2;\n    if (t < 1) {\n      return c / 2 * t * t * t * t + b;\n    }\n    return -c / 2 * ((t -= 2) * t * t * t - 2) + b;\n  }\n\n  /**\n   * Quintic easing in\n   * @memberOf fabric.util.ease\n   */\n  function easeInQuint(t, b, c, d) {\n    return c * (t /= d) * t * t * t * t + b;\n  }\n\n  /**\n   * Quintic easing out\n   * @memberOf fabric.util.ease\n   */\n  function easeOutQuint(t, b, c, d) {\n    return c * ((t = t / d - 1) * t * t * t * t + 1) + b;\n  }\n\n  /**\n   * Quintic easing in and out\n   * @memberOf fabric.util.ease\n   */\n  function easeInOutQuint(t, b, c, d) {\n    t /= d / 2;\n    if (t < 1) {\n      return c / 2 * t * t * t * t * t + b;\n    }\n    return c / 2 * ((t -= 2) * t * t * t * t + 2) + b;\n  }\n\n  /**\n   * Sinusoidal easing in\n   * @memberOf fabric.util.ease\n   */\n  function easeInSine(t, b, c, d) {\n    return -c * Math.cos(t / d * (Math.PI / 2)) + c + b;\n  }\n\n  /**\n   * Sinusoidal easing out\n   * @memberOf fabric.util.ease\n   */\n  function easeOutSine(t, b, c, d) {\n    return c * Math.sin(t / d * (Math.PI / 2)) + b;\n  }\n\n  /**\n   * Sinusoidal easing in and out\n   * @memberOf fabric.util.ease\n   */\n  function easeInOutSine(t, b, c, d) {\n    return -c / 2 * (Math.cos(Math.PI * t / d) - 1) + b;\n  }\n\n  /**\n   * Exponential easing in\n   * @memberOf fabric.util.ease\n   */\n  function easeInExpo(t, b, c, d) {\n    return (t === 0) ? b : c * Math.pow(2, 10 * (t / d - 1)) + b;\n  }\n\n  /**\n   * Exponential easing out\n   * @memberOf fabric.util.ease\n   */\n  function easeOutExpo(t, b, c, d) {\n    return (t === d) ? b + c : c * (-Math.pow(2, -10 * t / d) + 1) + b;\n  }\n\n  /**\n   * Exponential easing in and out\n   * @memberOf fabric.util.ease\n   */\n  function easeInOutExpo(t, b, c, d) {\n    if (t === 0) {\n      return b;\n    }\n    if (t === d) {\n      return b + c;\n    }\n    t /= d / 2;\n    if (t < 1) {\n      return c / 2 * Math.pow(2, 10 * (t - 1)) + b;\n    }\n    return c / 2 * (-Math.pow(2, -10 * --t) + 2) + b;\n  }\n\n  /**\n   * Circular easing in\n   * @memberOf fabric.util.ease\n   */\n  function easeInCirc(t, b, c, d) {\n    return -c * (Math.sqrt(1 - (t /= d) * t) - 1) + b;\n  }\n\n  /**\n   * Circular easing out\n   * @memberOf fabric.util.ease\n   */\n  function easeOutCirc(t, b, c, d) {\n    return c * Math.sqrt(1 - (t = t / d - 1) * t) + b;\n  }\n\n  /**\n   * Circular easing in and out\n   * @memberOf fabric.util.ease\n   */\n  function easeInOutCirc(t, b, c, d) {\n    t /= d / 2;\n    if (t < 1) {\n      return -c / 2 * (Math.sqrt(1 - t * t) - 1) + b;\n    }\n    return c / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1) + b;\n  }\n\n  /**\n   * Elastic easing in\n   * @memberOf fabric.util.ease\n   */\n  function easeInElastic(t, b, c, d) {\n    var s = 1.70158, p = 0, a = c;\n    if (t === 0) {\n      return b;\n    }\n    t /= d;\n    if (t === 1) {\n      return b + c;\n    }\n    if (!p) {\n      p = d * 0.3;\n    }\n    var opts = normalize(a, c, p, s);\n    return -elastic(opts, t, d) + b;\n  }\n\n  /**\n   * Elastic easing out\n   * @memberOf fabric.util.ease\n   */\n  function easeOutElastic(t, b, c, d) {\n    var s = 1.70158, p = 0, a = c;\n    if (t === 0) {\n      return b;\n    }\n    t /= d;\n    if (t === 1) {\n      return b + c;\n    }\n    if (!p) {\n      p = d * 0.3;\n    }\n    var opts = normalize(a, c, p, s);\n    return opts.a * Math.pow(2, -10 * t) * Math.sin((t * d - opts.s) * (2 * Math.PI) / opts.p ) + opts.c + b;\n  }\n\n  /**\n   * Elastic easing in and out\n   * @memberOf fabric.util.ease\n   */\n  function easeInOutElastic(t, b, c, d) {\n    var s = 1.70158, p = 0, a = c;\n    if (t === 0) {\n      return b;\n    }\n    t /= d / 2;\n    if (t === 2) {\n      return b + c;\n    }\n    if (!p) {\n      p = d * (0.3 * 1.5);\n    }\n    var opts = normalize(a, c, p, s);\n    if (t < 1) {\n      return -0.5 * elastic(opts, t, d) + b;\n    }\n    return opts.a * Math.pow(2, -10 * (t -= 1)) *\n      Math.sin((t * d - opts.s) * (2 * Math.PI) / opts.p ) * 0.5 + opts.c + b;\n  }\n\n  /**\n   * Backwards easing in\n   * @memberOf fabric.util.ease\n   */\n  function easeInBack(t, b, c, d, s) {\n    if (s === undefined) {\n      s = 1.70158;\n    }\n    return c * (t /= d) * t * ((s + 1) * t - s) + b;\n  }\n\n  /**\n   * Backwards easing out\n   * @memberOf fabric.util.ease\n   */\n  function easeOutBack(t, b, c, d, s) {\n    if (s === undefined) {\n      s = 1.70158;\n    }\n    return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b;\n  }\n\n  /**\n   * Backwards easing in and out\n   * @memberOf fabric.util.ease\n   */\n  function easeInOutBack(t, b, c, d, s) {\n    if (s === undefined) {\n      s = 1.70158;\n    }\n    t /= d / 2;\n    if (t < 1) {\n      return c / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)) + b;\n    }\n    return c / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2) + b;\n  }\n\n  /**\n   * Bouncing easing in\n   * @memberOf fabric.util.ease\n   */\n  function easeInBounce(t, b, c, d) {\n    return c - easeOutBounce (d - t, 0, c, d) + b;\n  }\n\n  /**\n   * Bouncing easing out\n   * @memberOf fabric.util.ease\n   */\n  function easeOutBounce(t, b, c, d) {\n    if ((t /= d) < (1 / 2.75)) {\n      return c * (7.5625 * t * t) + b;\n    }\n    else if (t < (2 / 2.75)) {\n      return c * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75) + b;\n    }\n    else if (t < (2.5 / 2.75)) {\n      return c * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375) + b;\n    }\n    else {\n      return c * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375) + b;\n    }\n  }\n\n  /**\n   * Bouncing easing in and out\n   * @memberOf fabric.util.ease\n   */\n  function easeInOutBounce(t, b, c, d) {\n    if (t < d / 2) {\n      return easeInBounce (t * 2, 0, c, d) * 0.5 + b;\n    }\n    return easeOutBounce(t * 2 - d, 0, c, d) * 0.5 + c * 0.5 + b;\n  }\n\n  /**\n   * Easing functions\n   * See <a href=\"http://gizma.com/easing/\">Easing Equations by Robert Penner</a>\n   * @namespace fabric.util.ease\n   */\n  fabric.util.ease = {\n\n    /**\n     * Quadratic easing in\n     * @memberOf fabric.util.ease\n     */\n    easeInQuad: function(t, b, c, d) {\n      return c * (t /= d) * t + b;\n    },\n\n    /**\n     * Quadratic easing out\n     * @memberOf fabric.util.ease\n     */\n    easeOutQuad: function(t, b, c, d) {\n      return -c * (t /= d) * (t - 2) + b;\n    },\n\n    /**\n     * Quadratic easing in and out\n     * @memberOf fabric.util.ease\n     */\n    easeInOutQuad: function(t, b, c, d) {\n      t /= (d / 2);\n      if (t < 1) {\n        return c / 2 * t * t + b;\n      }\n      return -c / 2 * ((--t) * (t - 2) - 1) + b;\n    },\n\n    /**\n     * Cubic easing in\n     * @memberOf fabric.util.ease\n     */\n    easeInCubic: function(t, b, c, d) {\n      return c * (t /= d) * t * t + b;\n    },\n\n    easeOutCubic: easeOutCubic,\n    easeInOutCubic: easeInOutCubic,\n    easeInQuart: easeInQuart,\n    easeOutQuart: easeOutQuart,\n    easeInOutQuart: easeInOutQuart,\n    easeInQuint: easeInQuint,\n    easeOutQuint: easeOutQuint,\n    easeInOutQuint: easeInOutQuint,\n    easeInSine: easeInSine,\n    easeOutSine: easeOutSine,\n    easeInOutSine: easeInOutSine,\n    easeInExpo: easeInExpo,\n    easeOutExpo: easeOutExpo,\n    easeInOutExpo: easeInOutExpo,\n    easeInCirc: easeInCirc,\n    easeOutCirc: easeOutCirc,\n    easeInOutCirc: easeInOutCirc,\n    easeInElastic: easeInElastic,\n    easeOutElastic: easeOutElastic,\n    easeInOutElastic: easeInOutElastic,\n    easeInBack: easeInBack,\n    easeOutBack: easeOutBack,\n    easeInOutBack: easeInOutBack,\n    easeInBounce: easeInBounce,\n    easeOutBounce: easeOutBounce,\n    easeInOutBounce: easeInOutBounce\n  };\n\n})();\n\n\n(function(global) {\n\n  'use strict';\n\n  /**\n   * @name fabric\n   * @namespace\n   */\n\n  var fabric = global.fabric || (global.fabric = { }),\n      extend = fabric.util.object.extend,\n      clone = fabric.util.object.clone,\n      toFixed = fabric.util.toFixed,\n      parseUnit = fabric.util.parseUnit,\n      multiplyTransformMatrices = fabric.util.multiplyTransformMatrices,\n\n      svgValidTagNames = ['path', 'circle', 'polygon', 'polyline', 'ellipse', 'rect', 'line',\n        'image', 'text'],\n      svgViewBoxElements = ['symbol', 'image', 'marker', 'pattern', 'view', 'svg'],\n      svgInvalidAncestors = ['pattern', 'defs', 'symbol', 'metadata', 'clipPath', 'mask', 'desc'],\n      svgValidParents = ['symbol', 'g', 'a', 'svg', 'clipPath', 'defs'],\n\n      attributesMap = {\n        cx:                   'left',\n        x:                    'left',\n        r:                    'radius',\n        cy:                   'top',\n        y:                    'top',\n        display:              'visible',\n        visibility:           'visible',\n        transform:            'transformMatrix',\n        'fill-opacity':       'fillOpacity',\n        'fill-rule':          'fillRule',\n        'font-family':        'fontFamily',\n        'font-size':          'fontSize',\n        'font-style':         'fontStyle',\n        'font-weight':        'fontWeight',\n        'letter-spacing':     'charSpacing',\n        'paint-order':        'paintFirst',\n        'stroke-dasharray':   'strokeDashArray',\n        'stroke-dashoffset':  'strokeDashOffset',\n        'stroke-linecap':     'strokeLineCap',\n        'stroke-linejoin':    'strokeLineJoin',\n        'stroke-miterlimit':  'strokeMiterLimit',\n        'stroke-opacity':     'strokeOpacity',\n        'stroke-width':       'strokeWidth',\n        'text-decoration':    'textDecoration',\n        'text-anchor':        'textAnchor',\n        opacity:              'opacity',\n        'clip-path':          'clipPath',\n        'clip-rule':          'clipRule',\n        'vector-effect':      'strokeUniform',\n        'image-rendering':    'imageSmoothing',\n      },\n\n      colorAttributes = {\n        stroke: 'strokeOpacity',\n        fill:   'fillOpacity'\n      },\n\n      fSize = 'font-size', cPath = 'clip-path';\n\n  fabric.svgValidTagNamesRegEx = getSvgRegex(svgValidTagNames);\n  fabric.svgViewBoxElementsRegEx = getSvgRegex(svgViewBoxElements);\n  fabric.svgInvalidAncestorsRegEx = getSvgRegex(svgInvalidAncestors);\n  fabric.svgValidParentsRegEx = getSvgRegex(svgValidParents);\n\n  fabric.cssRules = { };\n  fabric.gradientDefs = { };\n  fabric.clipPaths = { };\n\n  function normalizeAttr(attr) {\n    // transform attribute names\n    if (attr in attributesMap) {\n      return attributesMap[attr];\n    }\n    return attr;\n  }\n\n  function normalizeValue(attr, value, parentAttributes, fontSize) {\n    var isArray = Object.prototype.toString.call(value) === '[object Array]',\n        parsed;\n\n    if ((attr === 'fill' || attr === 'stroke') && value === 'none') {\n      value = '';\n    }\n    else if (attr === 'strokeUniform') {\n      return (value === 'non-scaling-stroke');\n    }\n    else if (attr === 'strokeDashArray') {\n      if (value === 'none') {\n        value = null;\n      }\n      else {\n        value = value.replace(/,/g, ' ').split(/\\s+/).map(parseFloat);\n      }\n    }\n    else if (attr === 'transformMatrix') {\n      if (parentAttributes && parentAttributes.transformMatrix) {\n        value = multiplyTransformMatrices(\n          parentAttributes.transformMatrix, fabric.parseTransformAttribute(value));\n      }\n      else {\n        value = fabric.parseTransformAttribute(value);\n      }\n    }\n    else if (attr === 'visible') {\n      value = value !== 'none' && value !== 'hidden';\n      // display=none on parent element always takes precedence over child element\n      if (parentAttributes && parentAttributes.visible === false) {\n        value = false;\n      }\n    }\n    else if (attr === 'opacity') {\n      value = parseFloat(value);\n      if (parentAttributes && typeof parentAttributes.opacity !== 'undefined') {\n        value *= parentAttributes.opacity;\n      }\n    }\n    else if (attr === 'textAnchor' /* text-anchor */) {\n      value = value === 'start' ? 'left' : value === 'end' ? 'right' : 'center';\n    }\n    else if (attr === 'charSpacing') {\n      // parseUnit returns px and we convert it to em\n      parsed = parseUnit(value, fontSize) / fontSize * 1000;\n    }\n    else if (attr === 'paintFirst') {\n      var fillIndex = value.indexOf('fill');\n      var strokeIndex = value.indexOf('stroke');\n      var value = 'fill';\n      if (fillIndex > -1 && strokeIndex > -1 && strokeIndex < fillIndex) {\n        value = 'stroke';\n      }\n      else if (fillIndex === -1 && strokeIndex > -1) {\n        value = 'stroke';\n      }\n    }\n    else if (attr === 'href' || attr === 'xlink:href' || attr === 'font') {\n      return value;\n    }\n    else if (attr === 'imageSmoothing') {\n      return (value === 'optimizeQuality');\n    }\n    else {\n      parsed = isArray ? value.map(parseUnit) : parseUnit(value, fontSize);\n    }\n\n    return (!isArray && isNaN(parsed) ? value : parsed);\n  }\n\n  /**\n    * @private\n    */\n  function getSvgRegex(arr) {\n    return new RegExp('^(' + arr.join('|') + ')\\\\b', 'i');\n  }\n\n  /**\n   * @private\n   * @param {Object} attributes Array of attributes to parse\n   */\n  function _setStrokeFillOpacity(attributes) {\n    for (var attr in colorAttributes) {\n\n      if (typeof attributes[colorAttributes[attr]] === 'undefined' || attributes[attr] === '') {\n        continue;\n      }\n\n      if (typeof attributes[attr] === 'undefined') {\n        if (!fabric.Object.prototype[attr]) {\n          continue;\n        }\n        attributes[attr] = fabric.Object.prototype[attr];\n      }\n\n      if (attributes[attr].indexOf('url(') === 0) {\n        continue;\n      }\n\n      var color = new fabric.Color(attributes[attr]);\n      attributes[attr] = color.setAlpha(toFixed(color.getAlpha() * attributes[colorAttributes[attr]], 2)).toRgba();\n    }\n    return attributes;\n  }\n\n  /**\n   * @private\n   */\n  function _getMultipleNodes(doc, nodeNames) {\n    var nodeName, nodeArray = [], nodeList, i, len;\n    for (i = 0, len = nodeNames.length; i < len; i++) {\n      nodeName = nodeNames[i];\n      nodeList = doc.getElementsByTagName(nodeName);\n      nodeArray = nodeArray.concat(Array.prototype.slice.call(nodeList));\n    }\n    return nodeArray;\n  }\n\n  /**\n   * Parses \"transform\" attribute, returning an array of values\n   * @static\n   * @function\n   * @memberOf fabric\n   * @param {String} attributeValue String containing attribute value\n   * @return {Array} Array of 6 elements representing transformation matrix\n   */\n  fabric.parseTransformAttribute = (function() {\n    function rotateMatrix(matrix, args) {\n      var cos = fabric.util.cos(args[0]), sin = fabric.util.sin(args[0]),\n          x = 0, y = 0;\n      if (args.length === 3) {\n        x = args[1];\n        y = args[2];\n      }\n\n      matrix[0] = cos;\n      matrix[1] = sin;\n      matrix[2] = -sin;\n      matrix[3] = cos;\n      matrix[4] = x - (cos * x - sin * y);\n      matrix[5] = y - (sin * x + cos * y);\n    }\n\n    function scaleMatrix(matrix, args) {\n      var multiplierX = args[0],\n          multiplierY = (args.length === 2) ? args[1] : args[0];\n\n      matrix[0] = multiplierX;\n      matrix[3] = multiplierY;\n    }\n\n    function skewMatrix(matrix, args, pos) {\n      matrix[pos] = Math.tan(fabric.util.degreesToRadians(args[0]));\n    }\n\n    function translateMatrix(matrix, args) {\n      matrix[4] = args[0];\n      if (args.length === 2) {\n        matrix[5] = args[1];\n      }\n    }\n\n    // identity matrix\n    var iMatrix = fabric.iMatrix,\n\n        // == begin transform regexp\n        number = fabric.reNum,\n\n        commaWsp = fabric.commaWsp,\n\n        skewX = '(?:(skewX)\\\\s*\\\\(\\\\s*(' + number + ')\\\\s*\\\\))',\n\n        skewY = '(?:(skewY)\\\\s*\\\\(\\\\s*(' + number + ')\\\\s*\\\\))',\n\n        rotate = '(?:(rotate)\\\\s*\\\\(\\\\s*(' + number + ')(?:' +\n                    commaWsp + '(' + number + ')' +\n                    commaWsp + '(' + number + '))?\\\\s*\\\\))',\n\n        scale = '(?:(scale)\\\\s*\\\\(\\\\s*(' + number + ')(?:' +\n                    commaWsp + '(' + number + '))?\\\\s*\\\\))',\n\n        translate = '(?:(translate)\\\\s*\\\\(\\\\s*(' + number + ')(?:' +\n                    commaWsp + '(' + number + '))?\\\\s*\\\\))',\n\n        matrix = '(?:(matrix)\\\\s*\\\\(\\\\s*' +\n                  '(' + number + ')' + commaWsp +\n                  '(' + number + ')' + commaWsp +\n                  '(' + number + ')' + commaWsp +\n                  '(' + number + ')' + commaWsp +\n                  '(' + number + ')' + commaWsp +\n                  '(' + number + ')' +\n                  '\\\\s*\\\\))',\n\n        transform = '(?:' +\n                    matrix + '|' +\n                    translate + '|' +\n                    scale + '|' +\n                    rotate + '|' +\n                    skewX + '|' +\n                    skewY +\n                    ')',\n\n        transforms = '(?:' + transform + '(?:' + commaWsp + '*' + transform + ')*' + ')',\n\n        transformList = '^\\\\s*(?:' + transforms + '?)\\\\s*$',\n\n        // http://www.w3.org/TR/SVG/coords.html#TransformAttribute\n        reTransformList = new RegExp(transformList),\n        // == end transform regexp\n\n        reTransform = new RegExp(transform, 'g');\n\n    return function(attributeValue) {\n\n      // start with identity matrix\n      var matrix = iMatrix.concat(),\n          matrices = [];\n\n      // return if no argument was given or\n      // an argument does not match transform attribute regexp\n      if (!attributeValue || (attributeValue && !reTransformList.test(attributeValue))) {\n        return matrix;\n      }\n\n      attributeValue.replace(reTransform, function(match) {\n\n        var m = new RegExp(transform).exec(match).filter(function (match) {\n              // match !== '' && match != null\n              return (!!match);\n            }),\n            operation = m[1],\n            args = m.slice(2).map(parseFloat);\n\n        switch (operation) {\n          case 'translate':\n            translateMatrix(matrix, args);\n            break;\n          case 'rotate':\n            args[0] = fabric.util.degreesToRadians(args[0]);\n            rotateMatrix(matrix, args);\n            break;\n          case 'scale':\n            scaleMatrix(matrix, args);\n            break;\n          case 'skewX':\n            skewMatrix(matrix, args, 2);\n            break;\n          case 'skewY':\n            skewMatrix(matrix, args, 1);\n            break;\n          case 'matrix':\n            matrix = args;\n            break;\n        }\n\n        // snapshot current matrix into matrices array\n        matrices.push(matrix.concat());\n        // reset\n        matrix = iMatrix.concat();\n      });\n\n      var combinedMatrix = matrices[0];\n      while (matrices.length > 1) {\n        matrices.shift();\n        combinedMatrix = fabric.util.multiplyTransformMatrices(combinedMatrix, matrices[0]);\n      }\n      return combinedMatrix;\n    };\n  })();\n\n  /**\n   * @private\n   */\n  function parseStyleString(style, oStyle) {\n    var attr, value;\n    style.replace(/;\\s*$/, '').split(';').forEach(function (chunk) {\n      var pair = chunk.split(':');\n\n      attr = pair[0].trim().toLowerCase();\n      value =  pair[1].trim();\n\n      oStyle[attr] = value;\n    });\n  }\n\n  /**\n   * @private\n   */\n  function parseStyleObject(style, oStyle) {\n    var attr, value;\n    for (var prop in style) {\n      if (typeof style[prop] === 'undefined') {\n        continue;\n      }\n\n      attr = prop.toLowerCase();\n      value = style[prop];\n\n      oStyle[attr] = value;\n    }\n  }\n\n  /**\n   * @private\n   */\n  function getGlobalStylesForElement(element, svgUid) {\n    var styles = { };\n    for (var rule in fabric.cssRules[svgUid]) {\n      if (elementMatchesRule(element, rule.split(' '))) {\n        for (var property in fabric.cssRules[svgUid][rule]) {\n          styles[property] = fabric.cssRules[svgUid][rule][property];\n        }\n      }\n    }\n    return styles;\n  }\n\n  /**\n   * @private\n   */\n  function elementMatchesRule(element, selectors) {\n    var firstMatching, parentMatching = true;\n    //start from rightmost selector.\n    firstMatching = selectorMatches(element, selectors.pop());\n    if (firstMatching && selectors.length) {\n      parentMatching = doesSomeParentMatch(element, selectors);\n    }\n    return firstMatching && parentMatching && (selectors.length === 0);\n  }\n\n  function doesSomeParentMatch(element, selectors) {\n    var selector, parentMatching = true;\n    while (element.parentNode && element.parentNode.nodeType === 1 && selectors.length) {\n      if (parentMatching) {\n        selector = selectors.pop();\n      }\n      element = element.parentNode;\n      parentMatching = selectorMatches(element, selector);\n    }\n    return selectors.length === 0;\n  }\n\n  /**\n   * @private\n   */\n  function selectorMatches(element, selector) {\n    var nodeName = element.nodeName,\n        classNames = element.getAttribute('class'),\n        id = element.getAttribute('id'), matcher, i;\n    // i check if a selector matches slicing away part from it.\n    // if i get empty string i should match\n    matcher = new RegExp('^' + nodeName, 'i');\n    selector = selector.replace(matcher, '');\n    if (id && selector.length) {\n      matcher = new RegExp('#' + id + '(?![a-zA-Z\\\\-]+)', 'i');\n      selector = selector.replace(matcher, '');\n    }\n    if (classNames && selector.length) {\n      classNames = classNames.split(' ');\n      for (i = classNames.length; i--;) {\n        matcher = new RegExp('\\\\.' + classNames[i] + '(?![a-zA-Z\\\\-]+)', 'i');\n        selector = selector.replace(matcher, '');\n      }\n    }\n    return selector.length === 0;\n  }\n\n  /**\n   * @private\n   * to support IE8 missing getElementById on SVGdocument and on node xmlDOM\n   */\n  function elementById(doc, id) {\n    var el;\n    doc.getElementById && (el = doc.getElementById(id));\n    if (el) {\n      return el;\n    }\n    var node, i, len, nodelist = doc.getElementsByTagName('*');\n    for (i = 0, len = nodelist.length; i < len; i++) {\n      node = nodelist[i];\n      if (id === node.getAttribute('id')) {\n        return node;\n      }\n    }\n  }\n\n  /**\n   * @private\n   */\n  function parseUseDirectives(doc) {\n    var nodelist = _getMultipleNodes(doc, ['use', 'svg:use']), i = 0;\n    while (nodelist.length && i < nodelist.length) {\n      var el = nodelist[i],\n          xlinkAttribute = el.getAttribute('xlink:href') || el.getAttribute('href');\n\n      if (xlinkAttribute === null) {\n        return;\n      }\n\n      var xlink = xlinkAttribute.substr(1),\n          x = el.getAttribute('x') || 0,\n          y = el.getAttribute('y') || 0,\n          el2 = elementById(doc, xlink).cloneNode(true),\n          currentTrans = (el2.getAttribute('transform') || '') + ' translate(' + x + ', ' + y + ')',\n          parentNode,\n          oldLength = nodelist.length, attr,\n          j,\n          attrs,\n          len,\n          namespace = fabric.svgNS;\n\n      applyViewboxTransform(el2);\n      if (/^svg$/i.test(el2.nodeName)) {\n        var el3 = el2.ownerDocument.createElementNS(namespace, 'g');\n        for (j = 0, attrs = el2.attributes, len = attrs.length; j < len; j++) {\n          attr = attrs.item(j);\n          el3.setAttributeNS(namespace, attr.nodeName, attr.nodeValue);\n        }\n        // el2.firstChild != null\n        while (el2.firstChild) {\n          el3.appendChild(el2.firstChild);\n        }\n        el2 = el3;\n      }\n\n      for (j = 0, attrs = el.attributes, len = attrs.length; j < len; j++) {\n        attr = attrs.item(j);\n        if (attr.nodeName === 'x' || attr.nodeName === 'y' ||\n          attr.nodeName === 'xlink:href' || attr.nodeName === 'href') {\n          continue;\n        }\n\n        if (attr.nodeName === 'transform') {\n          currentTrans = attr.nodeValue + ' ' + currentTrans;\n        }\n        else {\n          el2.setAttribute(attr.nodeName, attr.nodeValue);\n        }\n      }\n\n      el2.setAttribute('transform', currentTrans);\n      el2.setAttribute('instantiated_by_use', '1');\n      el2.removeAttribute('id');\n      parentNode = el.parentNode;\n      parentNode.replaceChild(el2, el);\n      // some browsers do not shorten nodelist after replaceChild (IE8)\n      if (nodelist.length === oldLength) {\n        i++;\n      }\n    }\n  }\n\n  // http://www.w3.org/TR/SVG/coords.html#ViewBoxAttribute\n  // matches, e.g.: +14.56e-12, etc.\n  var reViewBoxAttrValue = new RegExp(\n    '^' +\n    '\\\\s*(' + fabric.reNum + '+)\\\\s*,?' +\n    '\\\\s*(' + fabric.reNum + '+)\\\\s*,?' +\n    '\\\\s*(' + fabric.reNum + '+)\\\\s*,?' +\n    '\\\\s*(' + fabric.reNum + '+)\\\\s*' +\n    '$'\n  );\n\n  /**\n   * Add a <g> element that envelop all child elements and makes the viewbox transformMatrix descend on all elements\n   */\n  function applyViewboxTransform(element) {\n    if (!fabric.svgViewBoxElementsRegEx.test(element.nodeName)) {\n      return {};\n    }\n    var viewBoxAttr = element.getAttribute('viewBox'),\n        scaleX = 1,\n        scaleY = 1,\n        minX = 0,\n        minY = 0,\n        viewBoxWidth, viewBoxHeight, matrix, el,\n        widthAttr = element.getAttribute('width'),\n        heightAttr = element.getAttribute('height'),\n        x = element.getAttribute('x') || 0,\n        y = element.getAttribute('y') || 0,\n        preserveAspectRatio = element.getAttribute('preserveAspectRatio') || '',\n        missingViewBox = (!viewBoxAttr || !(viewBoxAttr = viewBoxAttr.match(reViewBoxAttrValue))),\n        missingDimAttr = (!widthAttr || !heightAttr || widthAttr === '100%' || heightAttr === '100%'),\n        toBeParsed = missingViewBox && missingDimAttr,\n        parsedDim = { }, translateMatrix = '', widthDiff = 0, heightDiff = 0;\n\n    parsedDim.width = 0;\n    parsedDim.height = 0;\n    parsedDim.toBeParsed = toBeParsed;\n\n    if (missingViewBox) {\n      if (((x || y) && element.parentNode && element.parentNode.nodeName !== '#document')) {\n        translateMatrix = ' translate(' + parseUnit(x) + ' ' + parseUnit(y) + ') ';\n        matrix = (element.getAttribute('transform') || '') + translateMatrix;\n        element.setAttribute('transform', matrix);\n        element.removeAttribute('x');\n        element.removeAttribute('y');\n      }\n    }\n\n    if (toBeParsed) {\n      return parsedDim;\n    }\n\n    if (missingViewBox) {\n      parsedDim.width = parseUnit(widthAttr);\n      parsedDim.height = parseUnit(heightAttr);\n      // set a transform for elements that have x y and are inner(only) SVGs\n      return parsedDim;\n    }\n    minX = -parseFloat(viewBoxAttr[1]);\n    minY = -parseFloat(viewBoxAttr[2]);\n    viewBoxWidth = parseFloat(viewBoxAttr[3]);\n    viewBoxHeight = parseFloat(viewBoxAttr[4]);\n    parsedDim.minX = minX;\n    parsedDim.minY = minY;\n    parsedDim.viewBoxWidth = viewBoxWidth;\n    parsedDim.viewBoxHeight = viewBoxHeight;\n    if (!missingDimAttr) {\n      parsedDim.width = parseUnit(widthAttr);\n      parsedDim.height = parseUnit(heightAttr);\n      scaleX = parsedDim.width / viewBoxWidth;\n      scaleY = parsedDim.height / viewBoxHeight;\n    }\n    else {\n      parsedDim.width = viewBoxWidth;\n      parsedDim.height = viewBoxHeight;\n    }\n\n    // default is to preserve aspect ratio\n    preserveAspectRatio = fabric.util.parsePreserveAspectRatioAttribute(preserveAspectRatio);\n    if (preserveAspectRatio.alignX !== 'none') {\n      //translate all container for the effect of Mid, Min, Max\n      if (preserveAspectRatio.meetOrSlice === 'meet') {\n        scaleY = scaleX = (scaleX > scaleY ? scaleY : scaleX);\n        // calculate additional translation to move the viewbox\n      }\n      if (preserveAspectRatio.meetOrSlice === 'slice') {\n        scaleY = scaleX = (scaleX > scaleY ? scaleX : scaleY);\n        // calculate additional translation to move the viewbox\n      }\n      widthDiff = parsedDim.width - viewBoxWidth * scaleX;\n      heightDiff = parsedDim.height - viewBoxHeight * scaleX;\n      if (preserveAspectRatio.alignX === 'Mid') {\n        widthDiff /= 2;\n      }\n      if (preserveAspectRatio.alignY === 'Mid') {\n        heightDiff /= 2;\n      }\n      if (preserveAspectRatio.alignX === 'Min') {\n        widthDiff = 0;\n      }\n      if (preserveAspectRatio.alignY === 'Min') {\n        heightDiff = 0;\n      }\n    }\n\n    if (scaleX === 1 && scaleY === 1 && minX === 0 && minY === 0 && x === 0 && y === 0) {\n      return parsedDim;\n    }\n    if ((x || y) && element.parentNode.nodeName !== '#document') {\n      translateMatrix = ' translate(' + parseUnit(x) + ' ' + parseUnit(y) + ') ';\n    }\n\n    matrix = translateMatrix + ' matrix(' + scaleX +\n                  ' 0' +\n                  ' 0 ' +\n                  scaleY + ' ' +\n                  (minX * scaleX + widthDiff) + ' ' +\n                  (minY * scaleY + heightDiff) + ') ';\n    // seems unused.\n    // parsedDim.viewboxTransform = fabric.parseTransformAttribute(matrix);\n    if (element.nodeName === 'svg') {\n      el = element.ownerDocument.createElementNS(fabric.svgNS, 'g');\n      // element.firstChild != null\n      while (element.firstChild) {\n        el.appendChild(element.firstChild);\n      }\n      element.appendChild(el);\n    }\n    else {\n      el = element;\n      el.removeAttribute('x');\n      el.removeAttribute('y');\n      matrix = el.getAttribute('transform') + matrix;\n    }\n    el.setAttribute('transform', matrix);\n    return parsedDim;\n  }\n\n  function hasAncestorWithNodeName(element, nodeName) {\n    while (element && (element = element.parentNode)) {\n      if (element.nodeName && nodeName.test(element.nodeName.replace('svg:', ''))\n        && !element.getAttribute('instantiated_by_use')) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Parses an SVG document, converts it to an array of corresponding fabric.* instances and passes them to a callback\n   * @static\n   * @function\n   * @memberOf fabric\n   * @param {SVGDocument} doc SVG document to parse\n   * @param {Function} callback Callback to call when parsing is finished;\n   * It's being passed an array of elements (parsed from a document).\n   * @param {Function} [reviver] Method for further parsing of SVG elements, called after each fabric object created.\n   * @param {Object} [parsingOptions] options for parsing document\n   * @param {String} [parsingOptions.crossOrigin] crossOrigin settings\n   */\n  fabric.parseSVGDocument = function(doc, callback, reviver, parsingOptions) {\n    if (!doc) {\n      return;\n    }\n\n    parseUseDirectives(doc);\n\n    var svgUid =  fabric.Object.__uid++, i, len,\n        options = applyViewboxTransform(doc),\n        descendants = fabric.util.toArray(doc.getElementsByTagName('*'));\n    options.crossOrigin = parsingOptions && parsingOptions.crossOrigin;\n    options.svgUid = svgUid;\n\n    if (descendants.length === 0 && fabric.isLikelyNode) {\n      // we're likely in node, where \"o3-xml\" library fails to gEBTN(\"*\")\n      // https://github.com/ajaxorg/node-o3-xml/issues/21\n      descendants = doc.selectNodes('//*[name(.)!=\"svg\"]');\n      var arr = [];\n      for (i = 0, len = descendants.length; i < len; i++) {\n        arr[i] = descendants[i];\n      }\n      descendants = arr;\n    }\n\n    var elements = descendants.filter(function(el) {\n      applyViewboxTransform(el);\n      return fabric.svgValidTagNamesRegEx.test(el.nodeName.replace('svg:', '')) &&\n            !hasAncestorWithNodeName(el, fabric.svgInvalidAncestorsRegEx); // http://www.w3.org/TR/SVG/struct.html#DefsElement\n    });\n    if (!elements || (elements && !elements.length)) {\n      callback && callback([], {});\n      return;\n    }\n    var clipPaths = { };\n    descendants.filter(function(el) {\n      return el.nodeName.replace('svg:', '') === 'clipPath';\n    }).forEach(function(el) {\n      var id = el.getAttribute('id');\n      clipPaths[id] = fabric.util.toArray(el.getElementsByTagName('*')).filter(function(el) {\n        return fabric.svgValidTagNamesRegEx.test(el.nodeName.replace('svg:', ''));\n      });\n    });\n    fabric.gradientDefs[svgUid] = fabric.getGradientDefs(doc);\n    fabric.cssRules[svgUid] = fabric.getCSSRules(doc);\n    fabric.clipPaths[svgUid] = clipPaths;\n    // Precedence of rules:   style > class > attribute\n    fabric.parseElements(elements, function(instances, elements) {\n      if (callback) {\n        callback(instances, options, elements, descendants);\n        delete fabric.gradientDefs[svgUid];\n        delete fabric.cssRules[svgUid];\n        delete fabric.clipPaths[svgUid];\n      }\n    }, clone(options), reviver, parsingOptions);\n  };\n\n  function recursivelyParseGradientsXlink(doc, gradient) {\n    var gradientsAttrs = ['gradientTransform', 'x1', 'x2', 'y1', 'y2', 'gradientUnits', 'cx', 'cy', 'r', 'fx', 'fy'],\n        xlinkAttr = 'xlink:href',\n        xLink = gradient.getAttribute(xlinkAttr).substr(1),\n        referencedGradient = elementById(doc, xLink);\n    if (referencedGradient && referencedGradient.getAttribute(xlinkAttr)) {\n      recursivelyParseGradientsXlink(doc, referencedGradient);\n    }\n    gradientsAttrs.forEach(function(attr) {\n      if (referencedGradient && !gradient.hasAttribute(attr) && referencedGradient.hasAttribute(attr)) {\n        gradient.setAttribute(attr, referencedGradient.getAttribute(attr));\n      }\n    });\n    if (!gradient.children.length) {\n      var referenceClone = referencedGradient.cloneNode(true);\n      while (referenceClone.firstChild) {\n        gradient.appendChild(referenceClone.firstChild);\n      }\n    }\n    gradient.removeAttribute(xlinkAttr);\n  }\n\n  var reFontDeclaration = new RegExp(\n    '(normal|italic)?\\\\s*(normal|small-caps)?\\\\s*' +\n    '(normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900)?\\\\s*(' +\n      fabric.reNum +\n    '(?:px|cm|mm|em|pt|pc|in)*)(?:\\\\/(normal|' + fabric.reNum + '))?\\\\s+(.*)');\n\n  extend(fabric, {\n    /**\n     * Parses a short font declaration, building adding its properties to a style object\n     * @static\n     * @function\n     * @memberOf fabric\n     * @param {String} value font declaration\n     * @param {Object} oStyle definition\n     */\n    parseFontDeclaration: function(value, oStyle) {\n      var match = value.match(reFontDeclaration);\n\n      if (!match) {\n        return;\n      }\n      var fontStyle = match[1],\n          // font variant is not used\n          // fontVariant = match[2],\n          fontWeight = match[3],\n          fontSize = match[4],\n          lineHeight = match[5],\n          fontFamily = match[6];\n\n      if (fontStyle) {\n        oStyle.fontStyle = fontStyle;\n      }\n      if (fontWeight) {\n        oStyle.fontWeight = isNaN(parseFloat(fontWeight)) ? fontWeight : parseFloat(fontWeight);\n      }\n      if (fontSize) {\n        oStyle.fontSize = parseUnit(fontSize);\n      }\n      if (fontFamily) {\n        oStyle.fontFamily = fontFamily;\n      }\n      if (lineHeight) {\n        oStyle.lineHeight = lineHeight === 'normal' ? 1 : lineHeight;\n      }\n    },\n\n    /**\n     * Parses an SVG document, returning all of the gradient declarations found in it\n     * @static\n     * @function\n     * @memberOf fabric\n     * @param {SVGDocument} doc SVG document to parse\n     * @return {Object} Gradient definitions; key corresponds to element id, value -- to gradient definition element\n     */\n    getGradientDefs: function(doc) {\n      var tagArray = [\n            'linearGradient',\n            'radialGradient',\n            'svg:linearGradient',\n            'svg:radialGradient'],\n          elList = _getMultipleNodes(doc, tagArray),\n          el, j = 0, gradientDefs = { };\n      j = elList.length;\n      while (j--) {\n        el = elList[j];\n        if (el.getAttribute('xlink:href')) {\n          recursivelyParseGradientsXlink(doc, el);\n        }\n        gradientDefs[el.getAttribute('id')] = el;\n      }\n      return gradientDefs;\n    },\n\n    /**\n     * Returns an object of attributes' name/value, given element and an array of attribute names;\n     * Parses parent \"g\" nodes recursively upwards.\n     * @static\n     * @memberOf fabric\n     * @param {DOMElement} element Element to parse\n     * @param {Array} attributes Array of attributes to parse\n     * @return {Object} object containing parsed attributes' names/values\n     */\n    parseAttributes: function(element, attributes, svgUid) {\n\n      if (!element) {\n        return;\n      }\n\n      var value,\n          parentAttributes = { },\n          fontSize, parentFontSize;\n\n      if (typeof svgUid === 'undefined') {\n        svgUid = element.getAttribute('svgUid');\n      }\n      // if there's a parent container (`g` or `a` or `symbol` node), parse its attributes recursively upwards\n      if (element.parentNode && fabric.svgValidParentsRegEx.test(element.parentNode.nodeName)) {\n        parentAttributes = fabric.parseAttributes(element.parentNode, attributes, svgUid);\n      }\n\n      var ownAttributes = attributes.reduce(function(memo, attr) {\n        value = element.getAttribute(attr);\n        if (value) { // eslint-disable-line\n          memo[attr] = value;\n        }\n        return memo;\n      }, { });\n      // add values parsed from style, which take precedence over attributes\n      // (see: http://www.w3.org/TR/SVG/styling.html#UsingPresentationAttributes)\n      var cssAttrs = extend(\n        getGlobalStylesForElement(element, svgUid),\n        fabric.parseStyleAttribute(element)\n      );\n      ownAttributes = extend(\n        ownAttributes,\n        cssAttrs\n      );\n      if (cssAttrs[cPath]) {\n        element.setAttribute(cPath, cssAttrs[cPath]);\n      }\n      fontSize = parentFontSize = parentAttributes.fontSize || fabric.Text.DEFAULT_SVG_FONT_SIZE;\n      if (ownAttributes[fSize]) {\n        // looks like the minimum should be 9px when dealing with ems. this is what looks like in browsers.\n        ownAttributes[fSize] = fontSize = parseUnit(ownAttributes[fSize], parentFontSize);\n      }\n\n      var normalizedAttr, normalizedValue, normalizedStyle = {};\n      for (var attr in ownAttributes) {\n        normalizedAttr = normalizeAttr(attr);\n        normalizedValue = normalizeValue(normalizedAttr, ownAttributes[attr], parentAttributes, fontSize);\n        normalizedStyle[normalizedAttr] = normalizedValue;\n      }\n      if (normalizedStyle && normalizedStyle.font) {\n        fabric.parseFontDeclaration(normalizedStyle.font, normalizedStyle);\n      }\n      var mergedAttrs = extend(parentAttributes, normalizedStyle);\n      return fabric.svgValidParentsRegEx.test(element.nodeName) ? mergedAttrs : _setStrokeFillOpacity(mergedAttrs);\n    },\n\n    /**\n     * Transforms an array of svg elements to corresponding fabric.* instances\n     * @static\n     * @memberOf fabric\n     * @param {Array} elements Array of elements to parse\n     * @param {Function} callback Being passed an array of fabric instances (transformed from SVG elements)\n     * @param {Object} [options] Options object\n     * @param {Function} [reviver] Method for further parsing of SVG elements, called after each fabric object created.\n     */\n    parseElements: function(elements, callback, options, reviver, parsingOptions) {\n      new fabric.ElementsParser(elements, callback, options, reviver, parsingOptions).parse();\n    },\n\n    /**\n     * Parses \"style\" attribute, retuning an object with values\n     * @static\n     * @memberOf fabric\n     * @param {SVGElement} element Element to parse\n     * @return {Object} Objects with values parsed from style attribute of an element\n     */\n    parseStyleAttribute: function(element) {\n      var oStyle = { },\n          style = element.getAttribute('style');\n\n      if (!style) {\n        return oStyle;\n      }\n\n      if (typeof style === 'string') {\n        parseStyleString(style, oStyle);\n      }\n      else {\n        parseStyleObject(style, oStyle);\n      }\n\n      return oStyle;\n    },\n\n    /**\n     * Parses \"points\" attribute, returning an array of values\n     * @static\n     * @memberOf fabric\n     * @param {String} points points attribute string\n     * @return {Array} array of points\n     */\n    parsePointsAttribute: function(points) {\n\n      // points attribute is required and must not be empty\n      if (!points) {\n        return null;\n      }\n\n      // replace commas with whitespace and remove bookending whitespace\n      points = points.replace(/,/g, ' ').trim();\n\n      points = points.split(/\\s+/);\n      var parsedPoints = [], i, len;\n\n      for (i = 0, len = points.length; i < len; i += 2) {\n        parsedPoints.push({\n          x: parseFloat(points[i]),\n          y: parseFloat(points[i + 1])\n        });\n      }\n\n      // odd number of points is an error\n      // if (parsedPoints.length % 2 !== 0) {\n      //   return null;\n      // }\n\n      return parsedPoints;\n    },\n\n    /**\n     * Returns CSS rules for a given SVG document\n     * @static\n     * @function\n     * @memberOf fabric\n     * @param {SVGDocument} doc SVG document to parse\n     * @return {Object} CSS rules of this document\n     */\n    getCSSRules: function(doc) {\n      var styles = doc.getElementsByTagName('style'), i, len,\n          allRules = { }, rules;\n\n      // very crude parsing of style contents\n      for (i = 0, len = styles.length; i < len; i++) {\n        var styleContents = styles[i].textContent;\n\n        // remove comments\n        styleContents = styleContents.replace(/\\/\\*[\\s\\S]*?\\*\\//g, '');\n        if (styleContents.trim() === '') {\n          continue;\n        }\n        rules = styleContents.match(/[^{]*\\{[\\s\\S]*?\\}/g);\n        rules = rules.map(function(rule) { return rule.trim(); });\n        // eslint-disable-next-line no-loop-func\n        rules.forEach(function(rule) {\n\n          var match = rule.match(/([\\s\\S]*?)\\s*\\{([^}]*)\\}/),\n              ruleObj = { }, declaration = match[2].trim(),\n              propertyValuePairs = declaration.replace(/;$/, '').split(/\\s*;\\s*/);\n\n          for (i = 0, len = propertyValuePairs.length; i < len; i++) {\n            var pair = propertyValuePairs[i].split(/\\s*:\\s*/),\n                property = pair[0],\n                value = pair[1];\n            ruleObj[property] = value;\n          }\n          rule = match[1];\n          rule.split(',').forEach(function(_rule) {\n            _rule = _rule.replace(/^svg/i, '').trim();\n            if (_rule === '') {\n              return;\n            }\n            if (allRules[_rule]) {\n              fabric.util.object.extend(allRules[_rule], ruleObj);\n            }\n            else {\n              allRules[_rule] = fabric.util.object.clone(ruleObj);\n            }\n          });\n        });\n      }\n      return allRules;\n    },\n\n    /**\n     * Takes url corresponding to an SVG document, and parses it into a set of fabric objects.\n     * Note that SVG is fetched via XMLHttpRequest, so it needs to conform to SOP (Same Origin Policy)\n     * @memberOf fabric\n     * @param {String} url\n     * @param {Function} callback\n     * @param {Function} [reviver] Method for further parsing of SVG elements, called after each fabric object created.\n     * @param {Object} [options] Object containing options for parsing\n     * @param {String} [options.crossOrigin] crossOrigin crossOrigin setting to use for external resources\n     */\n    loadSVGFromURL: function(url, callback, reviver, options) {\n\n      url = url.replace(/^\\n\\s*/, '').trim();\n      new fabric.util.request(url, {\n        method: 'get',\n        onComplete: onComplete\n      });\n\n      function onComplete(r) {\n\n        var xml = r.responseXML;\n        if (!xml || !xml.documentElement) {\n          callback && callback(null);\n          return false;\n        }\n\n        fabric.parseSVGDocument(xml.documentElement, function (results, _options, elements, allElements) {\n          callback && callback(results, _options, elements, allElements);\n        }, reviver, options);\n      }\n    },\n\n    /**\n     * Takes string corresponding to an SVG document, and parses it into a set of fabric objects\n     * @memberOf fabric\n     * @param {String} string\n     * @param {Function} callback\n     * @param {Function} [reviver] Method for further parsing of SVG elements, called after each fabric object created.\n     * @param {Object} [options] Object containing options for parsing\n     * @param {String} [options.crossOrigin] crossOrigin crossOrigin setting to use for external resources\n     */\n    loadSVGFromString: function(string, callback, reviver, options) {\n      var parser = new fabric.window.DOMParser(),\n          doc = parser.parseFromString(string.trim(), 'text/xml');\n      fabric.parseSVGDocument(doc.documentElement, function (results, _options, elements, allElements) {\n        callback(results, _options, elements, allElements);\n      }, reviver, options);\n    }\n  });\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\nfabric.ElementsParser = function(elements, callback, options, reviver, parsingOptions, doc) {\n  this.elements = elements;\n  this.callback = callback;\n  this.options = options;\n  this.reviver = reviver;\n  this.svgUid = (options && options.svgUid) || 0;\n  this.parsingOptions = parsingOptions;\n  this.regexUrl = /^url\\(['\"]?#([^'\"]+)['\"]?\\)/g;\n  this.doc = doc;\n};\n\n(function(proto) {\n  proto.parse = function() {\n    this.instances = new Array(this.elements.length);\n    this.numElements = this.elements.length;\n    this.createObjects();\n  };\n\n  proto.createObjects = function() {\n    var _this = this;\n    this.elements.forEach(function(element, i) {\n      element.setAttribute('svgUid', _this.svgUid);\n      _this.createObject(element, i);\n    });\n  };\n\n  proto.findTag = function(el) {\n    return fabric[fabric.util.string.capitalize(el.tagName.replace('svg:', ''))];\n  };\n\n  proto.createObject = function(el, index) {\n    var klass = this.findTag(el);\n    if (klass && klass.fromElement) {\n      try {\n        klass.fromElement(el, this.createCallback(index, el), this.options);\n      }\n      catch (err) {\n        fabric.log(err);\n      }\n    }\n    else {\n      this.checkIfDone();\n    }\n  };\n\n  proto.createCallback = function(index, el) {\n    var _this = this;\n    return function(obj) {\n      var _options;\n      _this.resolveGradient(obj, el, 'fill');\n      _this.resolveGradient(obj, el, 'stroke');\n      if (obj instanceof fabric.Image && obj._originalElement) {\n        _options = obj.parsePreserveAspectRatioAttribute(el);\n      }\n      obj._removeTransformMatrix(_options);\n      _this.resolveClipPath(obj, el);\n      _this.reviver && _this.reviver(el, obj);\n      _this.instances[index] = obj;\n      _this.checkIfDone();\n    };\n  };\n\n  proto.extractPropertyDefinition = function(obj, property, storage) {\n    var value = obj[property], regex = this.regexUrl;\n    if (!regex.test(value)) {\n      return;\n    }\n    regex.lastIndex = 0;\n    var id = regex.exec(value)[1];\n    regex.lastIndex = 0;\n    return fabric[storage][this.svgUid][id];\n  };\n\n  proto.resolveGradient = function(obj, el, property) {\n    var gradientDef = this.extractPropertyDefinition(obj, property, 'gradientDefs');\n    if (gradientDef) {\n      var opacityAttr = el.getAttribute(property + '-opacity');\n      var gradient = fabric.Gradient.fromElement(gradientDef, obj, opacityAttr, this.options);\n      obj.set(property, gradient);\n    }\n  };\n\n  proto.createClipPathCallback = function(obj, container) {\n    return function(_newObj) {\n      _newObj._removeTransformMatrix();\n      _newObj.fillRule = _newObj.clipRule;\n      container.push(_newObj);\n    };\n  };\n\n  proto.resolveClipPath = function(obj, usingElement) {\n    var clipPath = this.extractPropertyDefinition(obj, 'clipPath', 'clipPaths'),\n        element, klass, objTransformInv, container, gTransform, options;\n    if (clipPath) {\n      container = [];\n      objTransformInv = fabric.util.invertTransform(obj.calcTransformMatrix());\n      // move the clipPath tag as sibling to the real element that is using it\n      var clipPathTag = clipPath[0].parentNode;\n      var clipPathOwner = usingElement;\n      while (clipPathOwner.parentNode && clipPathOwner.getAttribute('clip-path') !== obj.clipPath) {\n        clipPathOwner = clipPathOwner.parentNode;\n      }\n      clipPathOwner.parentNode.appendChild(clipPathTag);\n      for (var i = 0; i < clipPath.length; i++) {\n        element = clipPath[i];\n        klass = this.findTag(element);\n        klass.fromElement(\n          element,\n          this.createClipPathCallback(obj, container),\n          this.options\n        );\n      }\n      if (container.length === 1) {\n        clipPath = container[0];\n      }\n      else {\n        clipPath = new fabric.Group(container);\n      }\n      gTransform = fabric.util.multiplyTransformMatrices(\n        objTransformInv,\n        clipPath.calcTransformMatrix()\n      );\n      if (clipPath.clipPath) {\n        this.resolveClipPath(clipPath, clipPathOwner);\n      }\n      var options = fabric.util.qrDecompose(gTransform);\n      clipPath.flipX = false;\n      clipPath.flipY = false;\n      clipPath.set('scaleX', options.scaleX);\n      clipPath.set('scaleY', options.scaleY);\n      clipPath.angle = options.angle;\n      clipPath.skewX = options.skewX;\n      clipPath.skewY = 0;\n      clipPath.setPositionByOrigin({ x: options.translateX, y: options.translateY }, 'center', 'center');\n      obj.clipPath = clipPath;\n    }\n    else {\n      // if clip-path does not resolve to any element, delete the property.\n      delete obj.clipPath;\n    }\n  };\n\n  proto.checkIfDone = function() {\n    if (--this.numElements === 0) {\n      this.instances = this.instances.filter(function(el) {\n        // eslint-disable-next-line no-eq-null, eqeqeq\n        return el != null;\n      });\n      this.callback(this.instances, this.elements);\n    }\n  };\n})(fabric.ElementsParser.prototype);\n\n\n(function(global) {\n\n  'use strict';\n\n  /* Adaptation of work of Kevin Lindsey (kevin@kevlindev.com) */\n\n  var fabric = global.fabric || (global.fabric = { });\n\n  if (fabric.Point) {\n    fabric.warn('fabric.Point is already defined');\n    return;\n  }\n\n  fabric.Point = Point;\n\n  /**\n   * Point class\n   * @class fabric.Point\n   * @memberOf fabric\n   * @constructor\n   * @param {Number} x\n   * @param {Number} y\n   * @return {fabric.Point} thisArg\n   */\n  function Point(x, y) {\n    this.x = x;\n    this.y = y;\n  }\n\n  Point.prototype = /** @lends fabric.Point.prototype */ {\n\n    type: 'point',\n\n    constructor: Point,\n\n    /**\n     * Adds another point to this one and returns another one\n     * @param {fabric.Point} that\n     * @return {fabric.Point} new Point instance with added values\n     */\n    add: function (that) {\n      return new Point(this.x + that.x, this.y + that.y);\n    },\n\n    /**\n     * Adds another point to this one\n     * @param {fabric.Point} that\n     * @return {fabric.Point} thisArg\n     * @chainable\n     */\n    addEquals: function (that) {\n      this.x += that.x;\n      this.y += that.y;\n      return this;\n    },\n\n    /**\n     * Adds value to this point and returns a new one\n     * @param {Number} scalar\n     * @return {fabric.Point} new Point with added value\n     */\n    scalarAdd: function (scalar) {\n      return new Point(this.x + scalar, this.y + scalar);\n    },\n\n    /**\n     * Adds value to this point\n     * @param {Number} scalar\n     * @return {fabric.Point} thisArg\n     * @chainable\n     */\n    scalarAddEquals: function (scalar) {\n      this.x += scalar;\n      this.y += scalar;\n      return this;\n    },\n\n    /**\n     * Subtracts another point from this point and returns a new one\n     * @param {fabric.Point} that\n     * @return {fabric.Point} new Point object with subtracted values\n     */\n    subtract: function (that) {\n      return new Point(this.x - that.x, this.y - that.y);\n    },\n\n    /**\n     * Subtracts another point from this point\n     * @param {fabric.Point} that\n     * @return {fabric.Point} thisArg\n     * @chainable\n     */\n    subtractEquals: function (that) {\n      this.x -= that.x;\n      this.y -= that.y;\n      return this;\n    },\n\n    /**\n     * Subtracts value from this point and returns a new one\n     * @param {Number} scalar\n     * @return {fabric.Point}\n     */\n    scalarSubtract: function (scalar) {\n      return new Point(this.x - scalar, this.y - scalar);\n    },\n\n    /**\n     * Subtracts value from this point\n     * @param {Number} scalar\n     * @return {fabric.Point} thisArg\n     * @chainable\n     */\n    scalarSubtractEquals: function (scalar) {\n      this.x -= scalar;\n      this.y -= scalar;\n      return this;\n    },\n\n    /**\n     * Multiplies this point by a value and returns a new one\n     * TODO: rename in scalarMultiply in 2.0\n     * @param {Number} scalar\n     * @return {fabric.Point}\n     */\n    multiply: function (scalar) {\n      return new Point(this.x * scalar, this.y * scalar);\n    },\n\n    /**\n     * Multiplies this point by a value\n     * TODO: rename in scalarMultiplyEquals in 2.0\n     * @param {Number} scalar\n     * @return {fabric.Point} thisArg\n     * @chainable\n     */\n    multiplyEquals: function (scalar) {\n      this.x *= scalar;\n      this.y *= scalar;\n      return this;\n    },\n\n    /**\n     * Divides this point by a value and returns a new one\n     * TODO: rename in scalarDivide in 2.0\n     * @param {Number} scalar\n     * @return {fabric.Point}\n     */\n    divide: function (scalar) {\n      return new Point(this.x / scalar, this.y / scalar);\n    },\n\n    /**\n     * Divides this point by a value\n     * TODO: rename in scalarDivideEquals in 2.0\n     * @param {Number} scalar\n     * @return {fabric.Point} thisArg\n     * @chainable\n     */\n    divideEquals: function (scalar) {\n      this.x /= scalar;\n      this.y /= scalar;\n      return this;\n    },\n\n    /**\n     * Returns true if this point is equal to another one\n     * @param {fabric.Point} that\n     * @return {Boolean}\n     */\n    eq: function (that) {\n      return (this.x === that.x && this.y === that.y);\n    },\n\n    /**\n     * Returns true if this point is less than another one\n     * @param {fabric.Point} that\n     * @return {Boolean}\n     */\n    lt: function (that) {\n      return (this.x < that.x && this.y < that.y);\n    },\n\n    /**\n     * Returns true if this point is less than or equal to another one\n     * @param {fabric.Point} that\n     * @return {Boolean}\n     */\n    lte: function (that) {\n      return (this.x <= that.x && this.y <= that.y);\n    },\n\n    /**\n\n     * Returns true if this point is greater another one\n     * @param {fabric.Point} that\n     * @return {Boolean}\n     */\n    gt: function (that) {\n      return (this.x > that.x && this.y > that.y);\n    },\n\n    /**\n     * Returns true if this point is greater than or equal to another one\n     * @param {fabric.Point} that\n     * @return {Boolean}\n     */\n    gte: function (that) {\n      return (this.x >= that.x && this.y >= that.y);\n    },\n\n    /**\n     * Returns new point which is the result of linear interpolation with this one and another one\n     * @param {fabric.Point} that\n     * @param {Number} t , position of interpolation, between 0 and 1 default 0.5\n     * @return {fabric.Point}\n     */\n    lerp: function (that, t) {\n      if (typeof t === 'undefined') {\n        t = 0.5;\n      }\n      t = Math.max(Math.min(1, t), 0);\n      return new Point(this.x + (that.x - this.x) * t, this.y + (that.y - this.y) * t);\n    },\n\n    /**\n     * Returns distance from this point and another one\n     * @param {fabric.Point} that\n     * @return {Number}\n     */\n    distanceFrom: function (that) {\n      var dx = this.x - that.x,\n          dy = this.y - that.y;\n      return Math.sqrt(dx * dx + dy * dy);\n    },\n\n    /**\n     * Returns the point between this point and another one\n     * @param {fabric.Point} that\n     * @return {fabric.Point}\n     */\n    midPointFrom: function (that) {\n      return this.lerp(that);\n    },\n\n    /**\n     * Returns a new point which is the min of this and another one\n     * @param {fabric.Point} that\n     * @return {fabric.Point}\n     */\n    min: function (that) {\n      return new Point(Math.min(this.x, that.x), Math.min(this.y, that.y));\n    },\n\n    /**\n     * Returns a new point which is the max of this and another one\n     * @param {fabric.Point} that\n     * @return {fabric.Point}\n     */\n    max: function (that) {\n      return new Point(Math.max(this.x, that.x), Math.max(this.y, that.y));\n    },\n\n    /**\n     * Returns string representation of this point\n     * @return {String}\n     */\n    toString: function () {\n      return this.x + ',' + this.y;\n    },\n\n    /**\n     * Sets x/y of this point\n     * @param {Number} x\n     * @param {Number} y\n     * @chainable\n     */\n    setXY: function (x, y) {\n      this.x = x;\n      this.y = y;\n      return this;\n    },\n\n    /**\n     * Sets x of this point\n     * @param {Number} x\n     * @chainable\n     */\n    setX: function (x) {\n      this.x = x;\n      return this;\n    },\n\n    /**\n     * Sets y of this point\n     * @param {Number} y\n     * @chainable\n     */\n    setY: function (y) {\n      this.y = y;\n      return this;\n    },\n\n    /**\n     * Sets x/y of this point from another point\n     * @param {fabric.Point} that\n     * @chainable\n     */\n    setFromPoint: function (that) {\n      this.x = that.x;\n      this.y = that.y;\n      return this;\n    },\n\n    /**\n     * Swaps x/y of this point and another point\n     * @param {fabric.Point} that\n     */\n    swap: function (that) {\n      var x = this.x,\n          y = this.y;\n      this.x = that.x;\n      this.y = that.y;\n      that.x = x;\n      that.y = y;\n    },\n\n    /**\n     * return a cloned instance of the point\n     * @return {fabric.Point}\n     */\n    clone: function () {\n      return new Point(this.x, this.y);\n    }\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  /* Adaptation of work of Kevin Lindsey (kevin@kevlindev.com) */\n  var fabric = global.fabric || (global.fabric = { });\n\n  if (fabric.Intersection) {\n    fabric.warn('fabric.Intersection is already defined');\n    return;\n  }\n\n  /**\n   * Intersection class\n   * @class fabric.Intersection\n   * @memberOf fabric\n   * @constructor\n   */\n  function Intersection(status) {\n    this.status = status;\n    this.points = [];\n  }\n\n  fabric.Intersection = Intersection;\n\n  fabric.Intersection.prototype = /** @lends fabric.Intersection.prototype */ {\n\n    constructor: Intersection,\n\n    /**\n     * Appends a point to intersection\n     * @param {fabric.Point} point\n     * @return {fabric.Intersection} thisArg\n     * @chainable\n     */\n    appendPoint: function (point) {\n      this.points.push(point);\n      return this;\n    },\n\n    /**\n     * Appends points to intersection\n     * @param {Array} points\n     * @return {fabric.Intersection} thisArg\n     * @chainable\n     */\n    appendPoints: function (points) {\n      this.points = this.points.concat(points);\n      return this;\n    }\n  };\n\n  /**\n   * Checks if one line intersects another\n   * TODO: rename in intersectSegmentSegment\n   * @static\n   * @param {fabric.Point} a1\n   * @param {fabric.Point} a2\n   * @param {fabric.Point} b1\n   * @param {fabric.Point} b2\n   * @return {fabric.Intersection}\n   */\n  fabric.Intersection.intersectLineLine = function (a1, a2, b1, b2) {\n    var result,\n        uaT = (b2.x - b1.x) * (a1.y - b1.y) - (b2.y - b1.y) * (a1.x - b1.x),\n        ubT = (a2.x - a1.x) * (a1.y - b1.y) - (a2.y - a1.y) * (a1.x - b1.x),\n        uB = (b2.y - b1.y) * (a2.x - a1.x) - (b2.x - b1.x) * (a2.y - a1.y);\n    if (uB !== 0) {\n      var ua = uaT / uB,\n          ub = ubT / uB;\n      if (0 <= ua && ua <= 1 && 0 <= ub && ub <= 1) {\n        result = new Intersection('Intersection');\n        result.appendPoint(new fabric.Point(a1.x + ua * (a2.x - a1.x), a1.y + ua * (a2.y - a1.y)));\n      }\n      else {\n        result = new Intersection();\n      }\n    }\n    else {\n      if (uaT === 0 || ubT === 0) {\n        result = new Intersection('Coincident');\n      }\n      else {\n        result = new Intersection('Parallel');\n      }\n    }\n    return result;\n  };\n\n  /**\n   * Checks if line intersects polygon\n   * TODO: rename in intersectSegmentPolygon\n   * fix detection of coincident\n   * @static\n   * @param {fabric.Point} a1\n   * @param {fabric.Point} a2\n   * @param {Array} points\n   * @return {fabric.Intersection}\n   */\n  fabric.Intersection.intersectLinePolygon = function(a1, a2, points) {\n    var result = new Intersection(),\n        length = points.length,\n        b1, b2, inter, i;\n\n    for (i = 0; i < length; i++) {\n      b1 = points[i];\n      b2 = points[(i + 1) % length];\n      inter = Intersection.intersectLineLine(a1, a2, b1, b2);\n\n      result.appendPoints(inter.points);\n    }\n    if (result.points.length > 0) {\n      result.status = 'Intersection';\n    }\n    return result;\n  };\n\n  /**\n   * Checks if polygon intersects another polygon\n   * @static\n   * @param {Array} points1\n   * @param {Array} points2\n   * @return {fabric.Intersection}\n   */\n  fabric.Intersection.intersectPolygonPolygon = function (points1, points2) {\n    var result = new Intersection(),\n        length = points1.length, i;\n\n    for (i = 0; i < length; i++) {\n      var a1 = points1[i],\n          a2 = points1[(i + 1) % length],\n          inter = Intersection.intersectLinePolygon(a1, a2, points2);\n\n      result.appendPoints(inter.points);\n    }\n    if (result.points.length > 0) {\n      result.status = 'Intersection';\n    }\n    return result;\n  };\n\n  /**\n   * Checks if polygon intersects rectangle\n   * @static\n   * @param {Array} points\n   * @param {fabric.Point} r1\n   * @param {fabric.Point} r2\n   * @return {fabric.Intersection}\n   */\n  fabric.Intersection.intersectPolygonRectangle = function (points, r1, r2) {\n    var min = r1.min(r2),\n        max = r1.max(r2),\n        topRight = new fabric.Point(max.x, min.y),\n        bottomLeft = new fabric.Point(min.x, max.y),\n        inter1 = Intersection.intersectLinePolygon(min, topRight, points),\n        inter2 = Intersection.intersectLinePolygon(topRight, max, points),\n        inter3 = Intersection.intersectLinePolygon(max, bottomLeft, points),\n        inter4 = Intersection.intersectLinePolygon(bottomLeft, min, points),\n        result = new Intersection();\n\n    result.appendPoints(inter1.points);\n    result.appendPoints(inter2.points);\n    result.appendPoints(inter3.points);\n    result.appendPoints(inter4.points);\n\n    if (result.points.length > 0) {\n      result.status = 'Intersection';\n    }\n    return result;\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { });\n\n  if (fabric.Color) {\n    fabric.warn('fabric.Color is already defined.');\n    return;\n  }\n\n  /**\n   * Color class\n   * The purpose of {@link fabric.Color} is to abstract and encapsulate common color operations;\n   * {@link fabric.Color} is a constructor and creates instances of {@link fabric.Color} objects.\n   *\n   * @class fabric.Color\n   * @param {String} color optional in hex or rgb(a) or hsl format or from known color list\n   * @return {fabric.Color} thisArg\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-2/#colors}\n   */\n  function Color(color) {\n    if (!color) {\n      this.setSource([0, 0, 0, 1]);\n    }\n    else {\n      this._tryParsingColor(color);\n    }\n  }\n\n  fabric.Color = Color;\n\n  fabric.Color.prototype = /** @lends fabric.Color.prototype */ {\n\n    /**\n     * @private\n     * @param {String|Array} color Color value to parse\n     */\n    _tryParsingColor: function(color) {\n      var source;\n\n      if (color in Color.colorNameMap) {\n        color = Color.colorNameMap[color];\n      }\n\n      if (color === 'transparent') {\n        source = [255, 255, 255, 0];\n      }\n\n      if (!source) {\n        source = Color.sourceFromHex(color);\n      }\n      if (!source) {\n        source = Color.sourceFromRgb(color);\n      }\n      if (!source) {\n        source = Color.sourceFromHsl(color);\n      }\n      if (!source) {\n        //if color is not recognize let's make black as canvas does\n        source = [0, 0, 0, 1];\n      }\n      if (source) {\n        this.setSource(source);\n      }\n    },\n\n    /**\n     * Adapted from <a href=\"https://rawgithub.com/mjijackson/mjijackson.github.com/master/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript.html\">https://github.com/mjijackson</a>\n     * @private\n     * @param {Number} r Red color value\n     * @param {Number} g Green color value\n     * @param {Number} b Blue color value\n     * @return {Array} Hsl color\n     */\n    _rgbToHsl: function(r, g, b) {\n      r /= 255; g /= 255; b /= 255;\n\n      var h, s, l,\n          max = fabric.util.array.max([r, g, b]),\n          min = fabric.util.array.min([r, g, b]);\n\n      l = (max + min) / 2;\n\n      if (max === min) {\n        h = s = 0; // achromatic\n      }\n      else {\n        var d = max - min;\n        s = l > 0.5 ? d / (2 - max - min) : d / (max + min);\n        switch (max) {\n          case r:\n            h = (g - b) / d + (g < b ? 6 : 0);\n            break;\n          case g:\n            h = (b - r) / d + 2;\n            break;\n          case b:\n            h = (r - g) / d + 4;\n            break;\n        }\n        h /= 6;\n      }\n\n      return [\n        Math.round(h * 360),\n        Math.round(s * 100),\n        Math.round(l * 100)\n      ];\n    },\n\n    /**\n     * Returns source of this color (where source is an array representation; ex: [200, 200, 100, 1])\n     * @return {Array}\n     */\n    getSource: function() {\n      return this._source;\n    },\n\n    /**\n     * Sets source of this color (where source is an array representation; ex: [200, 200, 100, 1])\n     * @param {Array} source\n     */\n    setSource: function(source) {\n      this._source = source;\n    },\n\n    /**\n     * Returns color representation in RGB format\n     * @return {String} ex: rgb(0-255,0-255,0-255)\n     */\n    toRgb: function() {\n      var source = this.getSource();\n      return 'rgb(' + source[0] + ',' + source[1] + ',' + source[2] + ')';\n    },\n\n    /**\n     * Returns color representation in RGBA format\n     * @return {String} ex: rgba(0-255,0-255,0-255,0-1)\n     */\n    toRgba: function() {\n      var source = this.getSource();\n      return 'rgba(' + source[0] + ',' + source[1] + ',' + source[2] + ',' + source[3] + ')';\n    },\n\n    /**\n     * Returns color representation in HSL format\n     * @return {String} ex: hsl(0-360,0%-100%,0%-100%)\n     */\n    toHsl: function() {\n      var source = this.getSource(),\n          hsl = this._rgbToHsl(source[0], source[1], source[2]);\n\n      return 'hsl(' + hsl[0] + ',' + hsl[1] + '%,' + hsl[2] + '%)';\n    },\n\n    /**\n     * Returns color representation in HSLA format\n     * @return {String} ex: hsla(0-360,0%-100%,0%-100%,0-1)\n     */\n    toHsla: function() {\n      var source = this.getSource(),\n          hsl = this._rgbToHsl(source[0], source[1], source[2]);\n\n      return 'hsla(' + hsl[0] + ',' + hsl[1] + '%,' + hsl[2] + '%,' + source[3] + ')';\n    },\n\n    /**\n     * Returns color representation in HEX format\n     * @return {String} ex: FF5555\n     */\n    toHex: function() {\n      var source = this.getSource(), r, g, b;\n\n      r = source[0].toString(16);\n      r = (r.length === 1) ? ('0' + r) : r;\n\n      g = source[1].toString(16);\n      g = (g.length === 1) ? ('0' + g) : g;\n\n      b = source[2].toString(16);\n      b = (b.length === 1) ? ('0' + b) : b;\n\n      return r.toUpperCase() + g.toUpperCase() + b.toUpperCase();\n    },\n\n    /**\n     * Returns color representation in HEXA format\n     * @return {String} ex: FF5555CC\n     */\n    toHexa: function() {\n      var source = this.getSource(), a;\n\n      a = Math.round(source[3] * 255);\n      a = a.toString(16);\n      a = (a.length === 1) ? ('0' + a) : a;\n\n      return this.toHex() + a.toUpperCase();\n    },\n\n    /**\n     * Gets value of alpha channel for this color\n     * @return {Number} 0-1\n     */\n    getAlpha: function() {\n      return this.getSource()[3];\n    },\n\n    /**\n     * Sets value of alpha channel for this color\n     * @param {Number} alpha Alpha value 0-1\n     * @return {fabric.Color} thisArg\n     */\n    setAlpha: function(alpha) {\n      var source = this.getSource();\n      source[3] = alpha;\n      this.setSource(source);\n      return this;\n    },\n\n    /**\n     * Transforms color to its grayscale representation\n     * @return {fabric.Color} thisArg\n     */\n    toGrayscale: function() {\n      var source = this.getSource(),\n          average = parseInt((source[0] * 0.3 + source[1] * 0.59 + source[2] * 0.11).toFixed(0), 10),\n          currentAlpha = source[3];\n      this.setSource([average, average, average, currentAlpha]);\n      return this;\n    },\n\n    /**\n     * Transforms color to its black and white representation\n     * @param {Number} threshold\n     * @return {fabric.Color} thisArg\n     */\n    toBlackWhite: function(threshold) {\n      var source = this.getSource(),\n          average = (source[0] * 0.3 + source[1] * 0.59 + source[2] * 0.11).toFixed(0),\n          currentAlpha = source[3];\n\n      threshold = threshold || 127;\n\n      average = (Number(average) < Number(threshold)) ? 0 : 255;\n      this.setSource([average, average, average, currentAlpha]);\n      return this;\n    },\n\n    /**\n     * Overlays color with another color\n     * @param {String|fabric.Color} otherColor\n     * @return {fabric.Color} thisArg\n     */\n    overlayWith: function(otherColor) {\n      if (!(otherColor instanceof Color)) {\n        otherColor = new Color(otherColor);\n      }\n\n      var result = [],\n          alpha = this.getAlpha(),\n          otherAlpha = 0.5,\n          source = this.getSource(),\n          otherSource = otherColor.getSource(), i;\n\n      for (i = 0; i < 3; i++) {\n        result.push(Math.round((source[i] * (1 - otherAlpha)) + (otherSource[i] * otherAlpha)));\n      }\n\n      result[3] = alpha;\n      this.setSource(result);\n      return this;\n    }\n  };\n\n  /**\n   * Regex matching color in RGB or RGBA formats (ex: rgb(0, 0, 0), rgba(255, 100, 10, 0.5), rgba( 255 , 100 , 10 , 0.5 ), rgb(1,1,1), rgba(100%, 60%, 10%, 0.5))\n   * @static\n   * @field\n   * @memberOf fabric.Color\n   */\n  // eslint-disable-next-line max-len\n  fabric.Color.reRGBa = /^rgba?\\(\\s*(\\d{1,3}(?:\\.\\d+)?\\%?)\\s*,\\s*(\\d{1,3}(?:\\.\\d+)?\\%?)\\s*,\\s*(\\d{1,3}(?:\\.\\d+)?\\%?)\\s*(?:\\s*,\\s*((?:\\d*\\.?\\d+)?)\\s*)?\\)$/i;\n\n  /**\n   * Regex matching color in HSL or HSLA formats (ex: hsl(200, 80%, 10%), hsla(300, 50%, 80%, 0.5), hsla( 300 , 50% , 80% , 0.5 ))\n   * @static\n   * @field\n   * @memberOf fabric.Color\n   */\n  fabric.Color.reHSLa = /^hsla?\\(\\s*(\\d{1,3})\\s*,\\s*(\\d{1,3}\\%)\\s*,\\s*(\\d{1,3}\\%)\\s*(?:\\s*,\\s*(\\d+(?:\\.\\d+)?)\\s*)?\\)$/i;\n\n  /**\n   * Regex matching color in HEX format (ex: #FF5544CC, #FF5555, 010155, aff)\n   * @static\n   * @field\n   * @memberOf fabric.Color\n   */\n  fabric.Color.reHex = /^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i;\n\n  /**\n   * Map of the 148 color names with HEX code\n   * @static\n   * @field\n   * @memberOf fabric.Color\n   * @see: https://www.w3.org/TR/css3-color/#svg-color\n   */\n  fabric.Color.colorNameMap = {\n    aliceblue:            '#F0F8FF',\n    antiquewhite:         '#FAEBD7',\n    aqua:                 '#00FFFF',\n    aquamarine:           '#7FFFD4',\n    azure:                '#F0FFFF',\n    beige:                '#F5F5DC',\n    bisque:               '#FFE4C4',\n    black:                '#000000',\n    blanchedalmond:       '#FFEBCD',\n    blue:                 '#0000FF',\n    blueviolet:           '#8A2BE2',\n    brown:                '#A52A2A',\n    burlywood:            '#DEB887',\n    cadetblue:            '#5F9EA0',\n    chartreuse:           '#7FFF00',\n    chocolate:            '#D2691E',\n    coral:                '#FF7F50',\n    cornflowerblue:       '#6495ED',\n    cornsilk:             '#FFF8DC',\n    crimson:              '#DC143C',\n    cyan:                 '#00FFFF',\n    darkblue:             '#00008B',\n    darkcyan:             '#008B8B',\n    darkgoldenrod:        '#B8860B',\n    darkgray:             '#A9A9A9',\n    darkgrey:             '#A9A9A9',\n    darkgreen:            '#006400',\n    darkkhaki:            '#BDB76B',\n    darkmagenta:          '#8B008B',\n    darkolivegreen:       '#556B2F',\n    darkorange:           '#FF8C00',\n    darkorchid:           '#9932CC',\n    darkred:              '#8B0000',\n    darksalmon:           '#E9967A',\n    darkseagreen:         '#8FBC8F',\n    darkslateblue:        '#483D8B',\n    darkslategray:        '#2F4F4F',\n    darkslategrey:        '#2F4F4F',\n    darkturquoise:        '#00CED1',\n    darkviolet:           '#9400D3',\n    deeppink:             '#FF1493',\n    deepskyblue:          '#00BFFF',\n    dimgray:              '#696969',\n    dimgrey:              '#696969',\n    dodgerblue:           '#1E90FF',\n    firebrick:            '#B22222',\n    floralwhite:          '#FFFAF0',\n    forestgreen:          '#228B22',\n    fuchsia:              '#FF00FF',\n    gainsboro:            '#DCDCDC',\n    ghostwhite:           '#F8F8FF',\n    gold:                 '#FFD700',\n    goldenrod:            '#DAA520',\n    gray:                 '#808080',\n    grey:                 '#808080',\n    green:                '#008000',\n    greenyellow:          '#ADFF2F',\n    honeydew:             '#F0FFF0',\n    hotpink:              '#FF69B4',\n    indianred:            '#CD5C5C',\n    indigo:               '#4B0082',\n    ivory:                '#FFFFF0',\n    khaki:                '#F0E68C',\n    lavender:             '#E6E6FA',\n    lavenderblush:        '#FFF0F5',\n    lawngreen:            '#7CFC00',\n    lemonchiffon:         '#FFFACD',\n    lightblue:            '#ADD8E6',\n    lightcoral:           '#F08080',\n    lightcyan:            '#E0FFFF',\n    lightgoldenrodyellow: '#FAFAD2',\n    lightgray:            '#D3D3D3',\n    lightgrey:            '#D3D3D3',\n    lightgreen:           '#90EE90',\n    lightpink:            '#FFB6C1',\n    lightsalmon:          '#FFA07A',\n    lightseagreen:        '#20B2AA',\n    lightskyblue:         '#87CEFA',\n    lightslategray:       '#778899',\n    lightslategrey:       '#778899',\n    lightsteelblue:       '#B0C4DE',\n    lightyellow:          '#FFFFE0',\n    lime:                 '#00FF00',\n    limegreen:            '#32CD32',\n    linen:                '#FAF0E6',\n    magenta:              '#FF00FF',\n    maroon:               '#800000',\n    mediumaquamarine:     '#66CDAA',\n    mediumblue:           '#0000CD',\n    mediumorchid:         '#BA55D3',\n    mediumpurple:         '#9370DB',\n    mediumseagreen:       '#3CB371',\n    mediumslateblue:      '#7B68EE',\n    mediumspringgreen:    '#00FA9A',\n    mediumturquoise:      '#48D1CC',\n    mediumvioletred:      '#C71585',\n    midnightblue:         '#191970',\n    mintcream:            '#F5FFFA',\n    mistyrose:            '#FFE4E1',\n    moccasin:             '#FFE4B5',\n    navajowhite:          '#FFDEAD',\n    navy:                 '#000080',\n    oldlace:              '#FDF5E6',\n    olive:                '#808000',\n    olivedrab:            '#6B8E23',\n    orange:               '#FFA500',\n    orangered:            '#FF4500',\n    orchid:               '#DA70D6',\n    palegoldenrod:        '#EEE8AA',\n    palegreen:            '#98FB98',\n    paleturquoise:        '#AFEEEE',\n    palevioletred:        '#DB7093',\n    papayawhip:           '#FFEFD5',\n    peachpuff:            '#FFDAB9',\n    peru:                 '#CD853F',\n    pink:                 '#FFC0CB',\n    plum:                 '#DDA0DD',\n    powderblue:           '#B0E0E6',\n    purple:               '#800080',\n    rebeccapurple:        '#663399',\n    red:                  '#FF0000',\n    rosybrown:            '#BC8F8F',\n    royalblue:            '#4169E1',\n    saddlebrown:          '#8B4513',\n    salmon:               '#FA8072',\n    sandybrown:           '#F4A460',\n    seagreen:             '#2E8B57',\n    seashell:             '#FFF5EE',\n    sienna:               '#A0522D',\n    silver:               '#C0C0C0',\n    skyblue:              '#87CEEB',\n    slateblue:            '#6A5ACD',\n    slategray:            '#708090',\n    slategrey:            '#708090',\n    snow:                 '#FFFAFA',\n    springgreen:          '#00FF7F',\n    steelblue:            '#4682B4',\n    tan:                  '#D2B48C',\n    teal:                 '#008080',\n    thistle:              '#D8BFD8',\n    tomato:               '#FF6347',\n    turquoise:            '#40E0D0',\n    violet:               '#EE82EE',\n    wheat:                '#F5DEB3',\n    white:                '#FFFFFF',\n    whitesmoke:           '#F5F5F5',\n    yellow:               '#FFFF00',\n    yellowgreen:          '#9ACD32'\n  };\n\n  /**\n   * @private\n   * @param {Number} p\n   * @param {Number} q\n   * @param {Number} t\n   * @return {Number}\n   */\n  function hue2rgb(p, q, t) {\n    if (t < 0) {\n      t += 1;\n    }\n    if (t > 1) {\n      t -= 1;\n    }\n    if (t < 1 / 6) {\n      return p + (q - p) * 6 * t;\n    }\n    if (t < 1 / 2) {\n      return q;\n    }\n    if (t < 2 / 3) {\n      return p + (q - p) * (2 / 3 - t) * 6;\n    }\n    return p;\n  }\n\n  /**\n   * Returns new color object, when given a color in RGB format\n   * @memberOf fabric.Color\n   * @param {String} color Color value ex: rgb(0-255,0-255,0-255)\n   * @return {fabric.Color}\n   */\n  fabric.Color.fromRgb = function(color) {\n    return Color.fromSource(Color.sourceFromRgb(color));\n  };\n\n  /**\n   * Returns array representation (ex: [100, 100, 200, 1]) of a color that's in RGB or RGBA format\n   * @memberOf fabric.Color\n   * @param {String} color Color value ex: rgb(0-255,0-255,0-255), rgb(0%-100%,0%-100%,0%-100%)\n   * @return {Array} source\n   */\n  fabric.Color.sourceFromRgb = function(color) {\n    var match = color.match(Color.reRGBa);\n    if (match) {\n      var r = parseInt(match[1], 10) / (/%$/.test(match[1]) ? 100 : 1) * (/%$/.test(match[1]) ? 255 : 1),\n          g = parseInt(match[2], 10) / (/%$/.test(match[2]) ? 100 : 1) * (/%$/.test(match[2]) ? 255 : 1),\n          b = parseInt(match[3], 10) / (/%$/.test(match[3]) ? 100 : 1) * (/%$/.test(match[3]) ? 255 : 1);\n\n      return [\n        parseInt(r, 10),\n        parseInt(g, 10),\n        parseInt(b, 10),\n        match[4] ? parseFloat(match[4]) : 1\n      ];\n    }\n  };\n\n  /**\n   * Returns new color object, when given a color in RGBA format\n   * @static\n   * @function\n   * @memberOf fabric.Color\n   * @param {String} color\n   * @return {fabric.Color}\n   */\n  fabric.Color.fromRgba = Color.fromRgb;\n\n  /**\n   * Returns new color object, when given a color in HSL format\n   * @param {String} color Color value ex: hsl(0-260,0%-100%,0%-100%)\n   * @memberOf fabric.Color\n   * @return {fabric.Color}\n   */\n  fabric.Color.fromHsl = function(color) {\n    return Color.fromSource(Color.sourceFromHsl(color));\n  };\n\n  /**\n   * Returns array representation (ex: [100, 100, 200, 1]) of a color that's in HSL or HSLA format.\n   * Adapted from <a href=\"https://rawgithub.com/mjijackson/mjijackson.github.com/master/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript.html\">https://github.com/mjijackson</a>\n   * @memberOf fabric.Color\n   * @param {String} color Color value ex: hsl(0-360,0%-100%,0%-100%) or hsla(0-360,0%-100%,0%-100%, 0-1)\n   * @return {Array} source\n   * @see http://http://www.w3.org/TR/css3-color/#hsl-color\n   */\n  fabric.Color.sourceFromHsl = function(color) {\n    var match = color.match(Color.reHSLa);\n    if (!match) {\n      return;\n    }\n\n    var h = (((parseFloat(match[1]) % 360) + 360) % 360) / 360,\n        s = parseFloat(match[2]) / (/%$/.test(match[2]) ? 100 : 1),\n        l = parseFloat(match[3]) / (/%$/.test(match[3]) ? 100 : 1),\n        r, g, b;\n\n    if (s === 0) {\n      r = g = b = l;\n    }\n    else {\n      var q = l <= 0.5 ? l * (s + 1) : l + s - l * s,\n          p = l * 2 - q;\n\n      r = hue2rgb(p, q, h + 1 / 3);\n      g = hue2rgb(p, q, h);\n      b = hue2rgb(p, q, h - 1 / 3);\n    }\n\n    return [\n      Math.round(r * 255),\n      Math.round(g * 255),\n      Math.round(b * 255),\n      match[4] ? parseFloat(match[4]) : 1\n    ];\n  };\n\n  /**\n   * Returns new color object, when given a color in HSLA format\n   * @static\n   * @function\n   * @memberOf fabric.Color\n   * @param {String} color\n   * @return {fabric.Color}\n   */\n  fabric.Color.fromHsla = Color.fromHsl;\n\n  /**\n   * Returns new color object, when given a color in HEX format\n   * @static\n   * @memberOf fabric.Color\n   * @param {String} color Color value ex: FF5555\n   * @return {fabric.Color}\n   */\n  fabric.Color.fromHex = function(color) {\n    return Color.fromSource(Color.sourceFromHex(color));\n  };\n\n  /**\n   * Returns array representation (ex: [100, 100, 200, 1]) of a color that's in HEX format\n   * @static\n   * @memberOf fabric.Color\n   * @param {String} color ex: FF5555 or FF5544CC (RGBa)\n   * @return {Array} source\n   */\n  fabric.Color.sourceFromHex = function(color) {\n    if (color.match(Color.reHex)) {\n      var value = color.slice(color.indexOf('#') + 1),\n          isShortNotation = (value.length === 3 || value.length === 4),\n          isRGBa = (value.length === 8 || value.length === 4),\n          r = isShortNotation ? (value.charAt(0) + value.charAt(0)) : value.substring(0, 2),\n          g = isShortNotation ? (value.charAt(1) + value.charAt(1)) : value.substring(2, 4),\n          b = isShortNotation ? (value.charAt(2) + value.charAt(2)) : value.substring(4, 6),\n          a = isRGBa ? (isShortNotation ? (value.charAt(3) + value.charAt(3)) : value.substring(6, 8)) : 'FF';\n\n      return [\n        parseInt(r, 16),\n        parseInt(g, 16),\n        parseInt(b, 16),\n        parseFloat((parseInt(a, 16) / 255).toFixed(2))\n      ];\n    }\n  };\n\n  /**\n   * Returns new color object, when given color in array representation (ex: [200, 100, 100, 0.5])\n   * @static\n   * @memberOf fabric.Color\n   * @param {Array} source\n   * @return {fabric.Color}\n   */\n  fabric.Color.fromSource = function(source) {\n    var oColor = new Color();\n    oColor.setSource(source);\n    return oColor;\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { }),\n      scaleMap = ['e', 'se', 's', 'sw', 'w', 'nw', 'n', 'ne', 'e'],\n      skewMap = ['ns', 'nesw', 'ew', 'nwse'],\n      controls = {},\n      LEFT = 'left', TOP = 'top', RIGHT = 'right', BOTTOM = 'bottom', CENTER = 'center',\n      opposite = {\n        top: BOTTOM,\n        bottom: TOP,\n        left: RIGHT,\n        right: LEFT,\n        center: CENTER,\n      }, radiansToDegrees = fabric.util.radiansToDegrees,\n      sign = (Math.sign || function(x) { return ((x > 0) - (x < 0)) || +x; });\n\n  /**\n   * Combine control position and object angle to find the control direction compared\n   * to the object center.\n   * @param {fabric.Object} fabricObject the fabric object for which we are rendering controls\n   * @param {fabric.Control} control the control class\n   * @return {Number} 0 - 7 a quadrant number\n   */\n  function findCornerQuadrant(fabricObject, control) {\n    var cornerAngle = fabricObject.angle + radiansToDegrees(Math.atan2(control.y, control.x)) + 360;\n    return Math.round((cornerAngle % 360) / 45);\n  }\n\n  function fireEvent(eventName, options) {\n    var target = options.transform.target,\n        canvas = target.canvas,\n        canvasOptions = fabric.util.object.clone(options);\n    canvasOptions.target = target;\n    canvas && canvas.fire('object:' + eventName, canvasOptions);\n    target.fire(eventName, options);\n  }\n\n  /**\n   * Inspect event and fabricObject properties to understand if the scaling action\n   * @param {Event} eventData from the user action\n   * @param {fabric.Object} fabricObject the fabric object about to scale\n   * @return {Boolean} true if scale is proportional\n   */\n  function scaleIsProportional(eventData, fabricObject) {\n    var canvas = fabricObject.canvas, uniScaleKey = canvas.uniScaleKey,\n        uniformIsToggled = eventData[uniScaleKey];\n    return (canvas.uniformScaling && !uniformIsToggled) ||\n    (!canvas.uniformScaling && uniformIsToggled);\n  }\n\n  /**\n   * Checks if transform is centered\n   * @param {Object} transform transform data\n   * @return {Boolean} true if transform is centered\n   */\n  function isTransformCentered(transform) {\n    return transform.originX === CENTER && transform.originY === CENTER;\n  }\n\n  /**\n   * Inspect fabricObject to understand if the current scaling action is allowed\n   * @param {fabric.Object} fabricObject the fabric object about to scale\n   * @param {String} by 'x' or 'y' or ''\n   * @param {Boolean} scaleProportionally true if we are trying to scale proportionally\n   * @return {Boolean} true if scaling is not allowed at current conditions\n   */\n  function scalingIsForbidden(fabricObject, by, scaleProportionally) {\n    var lockX = fabricObject.lockScalingX, lockY = fabricObject.lockScalingY;\n    if (lockX && lockY) {\n      return true;\n    }\n    if (!by && (lockX || lockY) && scaleProportionally) {\n      return true;\n    }\n    if (lockX && by === 'x') {\n      return true;\n    }\n    if (lockY && by === 'y') {\n      return true;\n    }\n    return false;\n  }\n\n  /**\n   * return the correct cursor style for the scale action\n   * @param {Event} eventData the javascript event that is causing the scale\n   * @param {fabric.Control} control the control that is interested in the action\n   * @param {fabric.Object} fabricObject the fabric object that is interested in the action\n   * @return {String} a valid css string for the cursor\n   */\n  function scaleCursorStyleHandler(eventData, control, fabricObject) {\n    var notAllowed = 'not-allowed',\n        scaleProportionally = scaleIsProportional(eventData, fabricObject),\n        by = '';\n    if (control.x !== 0 && control.y === 0) {\n      by = 'x';\n    }\n    else if (control.x === 0 && control.y !== 0) {\n      by = 'y';\n    }\n    if (scalingIsForbidden(fabricObject, by, scaleProportionally)) {\n      return notAllowed;\n    }\n    var n = findCornerQuadrant(fabricObject, control);\n    return scaleMap[n] + '-resize';\n  }\n\n  /**\n   * return the correct cursor style for the skew action\n   * @param {Event} eventData the javascript event that is causing the scale\n   * @param {fabric.Control} control the control that is interested in the action\n   * @param {fabric.Object} fabricObject the fabric object that is interested in the action\n   * @return {String} a valid css string for the cursor\n   */\n  function skewCursorStyleHandler(eventData, control, fabricObject) {\n    var notAllowed = 'not-allowed';\n    if (control.x !== 0 && fabricObject.lockSkewingY) {\n      return notAllowed;\n    }\n    if (control.y !== 0 && fabricObject.lockSkewingX) {\n      return notAllowed;\n    }\n    var n = findCornerQuadrant(fabricObject, control) % 4;\n    return skewMap[n] + '-resize';\n  }\n\n  /**\n   * Combine skew and scale style handlers to cover fabric standard use case\n   * @param {Event} eventData the javascript event that is causing the scale\n   * @param {fabric.Control} control the control that is interested in the action\n   * @param {fabric.Object} fabricObject the fabric object that is interested in the action\n   * @return {String} a valid css string for the cursor\n   */\n  function scaleSkewCursorStyleHandler(eventData, control, fabricObject) {\n    if (eventData[fabricObject.canvas.altActionKey]) {\n      return controls.skewCursorStyleHandler(eventData, control, fabricObject);\n    }\n    return controls.scaleCursorStyleHandler(eventData, control, fabricObject);\n  }\n\n  /**\n   * Inspect event, control and fabricObject to return the correct action name\n   * @param {Event} eventData the javascript event that is causing the scale\n   * @param {fabric.Control} control the control that is interested in the action\n   * @param {fabric.Object} fabricObject the fabric object that is interested in the action\n   * @return {String} an action name\n   */\n  function scaleOrSkewActionName(eventData, control, fabricObject) {\n    var isAlternative = eventData[fabricObject.canvas.altActionKey];\n    if (control.x === 0) {\n      // then is scaleY or skewX\n      return isAlternative ? 'skewX' : 'scaleY';\n    }\n    if (control.y === 0) {\n      // then is scaleY or skewX\n      return isAlternative ? 'skewY' : 'scaleX';\n    }\n  }\n\n  /**\n   * Find the correct style for the control that is used for rotation.\n   * this function is very simple and it just take care of not-allowed or standard cursor\n   * @param {Event} eventData the javascript event that is causing the scale\n   * @param {fabric.Control} control the control that is interested in the action\n   * @param {fabric.Object} fabricObject the fabric object that is interested in the action\n   * @return {String} a valid css string for the cursor\n   */\n  function rotationStyleHandler(eventData, control, fabricObject) {\n    if (fabricObject.lockRotation) {\n      return 'not-allowed';\n    }\n    return control.cursorStyle;\n  }\n\n  function commonEventInfo(eventData, transform, x, y) {\n    return {\n      e: eventData,\n      transform: transform,\n      pointer: {\n        x: x,\n        y: y,\n      }\n    };\n  }\n\n  /**\n   * Wrap an action handler with saving/restoring object position on the transform.\n   * this is the code that permits to objects to keep their position while transforming.\n   * @param {Function} actionHandler the function to wrap\n   * @return {Function} a function with an action handler signature\n   */\n  function wrapWithFixedAnchor(actionHandler) {\n    return function(eventData, transform, x, y) {\n      var target = transform.target, centerPoint = target.getCenterPoint(),\n          constraint = target.translateToOriginPoint(centerPoint, transform.originX, transform.originY),\n          actionPerformed = actionHandler(eventData, transform, x, y);\n      target.setPositionByOrigin(constraint, transform.originX, transform.originY);\n      return actionPerformed;\n    };\n  }\n\n  /**\n   * Wrap an action handler with firing an event if the action is performed\n   * @param {Function} actionHandler the function to wrap\n   * @return {Function} a function with an action handler signature\n   */\n  function wrapWithFireEvent(eventName, actionHandler) {\n    return function(eventData, transform, x, y) {\n      var actionPerformed = actionHandler(eventData, transform, x, y);\n      if (actionPerformed) {\n        fireEvent(eventName, commonEventInfo(eventData, transform, x, y));\n      }\n      return actionPerformed;\n    };\n  }\n\n  /**\n   * Transforms a point described by x and y in a distance from the top left corner of the object\n   * bounding box.\n   * @param {Object} transform\n   * @param {String} originX\n   * @param {String} originY\n   * @param {number} x\n   * @param {number} y\n   * @return {Fabric.Point} the normalized point\n   */\n  function getLocalPoint(transform, originX, originY, x, y) {\n    var target = transform.target,\n        control = target.controls[transform.corner],\n        zoom = target.canvas.getZoom(),\n        padding = target.padding / zoom,\n        localPoint = target.toLocalPoint(new fabric.Point(x, y), originX, originY);\n    if (localPoint.x >= padding) {\n      localPoint.x -= padding;\n    }\n    if (localPoint.x <= -padding) {\n      localPoint.x += padding;\n    }\n    if (localPoint.y >= padding) {\n      localPoint.y -= padding;\n    }\n    if (localPoint.y <= padding) {\n      localPoint.y += padding;\n    }\n    localPoint.x -= control.offsetX;\n    localPoint.y -= control.offsetY;\n    return localPoint;\n  }\n\n  /**\n   * Detect if the fabric object is flipped on one side.\n   * @param {fabric.Object} target\n   * @return {Boolean} true if one flip, but not two.\n   */\n  function targetHasOneFlip(target) {\n    return target.flipX !== target.flipY;\n  }\n\n  /**\n   * Utility function to compensate the scale factor when skew is applied on both axes\n   * @private\n   */\n  function compensateScaleForSkew(target, oppositeSkew, scaleToCompensate, axis, reference) {\n    if (target[oppositeSkew] !== 0) {\n      var newDim = target._getTransformedDimensions()[axis];\n      var newValue = reference / newDim * target[scaleToCompensate];\n      target.set(scaleToCompensate, newValue);\n    }\n  }\n\n  /**\n   * Action handler for skewing on the X axis\n   * @private\n   */\n  function skewObjectX(eventData, transform, x, y) {\n    var target = transform.target,\n        // find how big the object would be, if there was no skewX. takes in account scaling\n        dimNoSkew = target._getTransformedDimensions(0, target.skewY),\n        localPoint = getLocalPoint(transform, transform.originX, transform.originY, x, y),\n        // the mouse is in the center of the object, and we want it to stay there.\n        // so the object will grow twice as much as the mouse.\n        // this makes the skew growth to localPoint * 2 - dimNoSkew.\n        totalSkewSize = Math.abs(localPoint.x * 2) - dimNoSkew.x,\n        currentSkew = target.skewX, newSkew;\n    if (totalSkewSize < 2) {\n      // let's make it easy to go back to position 0.\n      newSkew = 0;\n    }\n    else {\n      newSkew = radiansToDegrees(\n        Math.atan2((totalSkewSize / target.scaleX), (dimNoSkew.y / target.scaleY))\n      );\n      // now we have to find the sign of the skew.\n      // it mostly depend on the origin of transformation.\n      if (transform.originX === LEFT && transform.originY === BOTTOM) {\n        newSkew = -newSkew;\n      }\n      if (transform.originX === RIGHT && transform.originY === TOP) {\n        newSkew = -newSkew;\n      }\n      if (targetHasOneFlip(target)) {\n        newSkew = -newSkew;\n      }\n    }\n    var hasSkewed = currentSkew !== newSkew;\n    if (hasSkewed) {\n      var dimBeforeSkewing = target._getTransformedDimensions().y;\n      target.set('skewX', newSkew);\n      compensateScaleForSkew(target, 'skewY', 'scaleY', 'y', dimBeforeSkewing);\n    }\n    return hasSkewed;\n  }\n\n  /**\n   * Action handler for skewing on the Y axis\n   * @private\n   */\n  function skewObjectY(eventData, transform, x, y) {\n    var target = transform.target,\n        // find how big the object would be, if there was no skewX. takes in account scaling\n        dimNoSkew = target._getTransformedDimensions(target.skewX, 0),\n        localPoint = getLocalPoint(transform, transform.originX, transform.originY, x, y),\n        // the mouse is in the center of the object, and we want it to stay there.\n        // so the object will grow twice as much as the mouse.\n        // this makes the skew growth to localPoint * 2 - dimNoSkew.\n        totalSkewSize = Math.abs(localPoint.y * 2) - dimNoSkew.y,\n        currentSkew = target.skewY, newSkew;\n    if (totalSkewSize < 2) {\n      // let's make it easy to go back to position 0.\n      newSkew = 0;\n    }\n    else {\n      newSkew = radiansToDegrees(\n        Math.atan2((totalSkewSize / target.scaleY), (dimNoSkew.x / target.scaleX))\n      );\n      // now we have to find the sign of the skew.\n      // it mostly depend on the origin of transformation.\n      if (transform.originX === LEFT && transform.originY === BOTTOM) {\n        newSkew = -newSkew;\n      }\n      if (transform.originX === RIGHT && transform.originY === TOP) {\n        newSkew = -newSkew;\n      }\n      if (targetHasOneFlip(target)) {\n        newSkew = -newSkew;\n      }\n    }\n    var hasSkewed = currentSkew !== newSkew;\n    if (hasSkewed) {\n      var dimBeforeSkewing = target._getTransformedDimensions().x;\n      target.set('skewY', newSkew);\n      compensateScaleForSkew(target, 'skewX', 'scaleX', 'x', dimBeforeSkewing);\n    }\n    return hasSkewed;\n  }\n\n  /**\n   * Wrapped Action handler for skewing on the Y axis, takes care of the\n   * skew direction and determine the correct transform origin for the anchor point\n   * @param {Event} eventData javascript event that is doing the transform\n   * @param {Object} transform javascript object containing a series of information around the current transform\n   * @param {number} x current mouse x position, canvas normalized\n   * @param {number} y current mouse y position, canvas normalized\n   * @return {Boolean} true if some change happened\n   */\n  function skewHandlerX(eventData, transform, x, y) {\n    // step1 figure out and change transform origin.\n    // if skewX > 0 and originY bottom we anchor on right\n    // if skewX > 0 and originY top we anchor on left\n    // if skewX < 0 and originY bottom we anchor on left\n    // if skewX < 0 and originY top we anchor on right\n    // if skewX is 0, we look for mouse position to understand where are we going.\n    var target = transform.target, currentSkew = target.skewX, originX, originY = transform.originY;\n    if (target.lockSkewingX) {\n      return false;\n    }\n    if (currentSkew === 0) {\n      var localPointFromCenter = getLocalPoint(transform, CENTER, CENTER, x, y);\n      if (localPointFromCenter.x > 0) {\n        // we are pulling right, anchor left;\n        originX = LEFT;\n      }\n      else {\n        // we are pulling right, anchor right\n        originX = RIGHT;\n      }\n    }\n    else {\n      if (currentSkew > 0) {\n        originX = originY === TOP ? LEFT : RIGHT;\n      }\n      if (currentSkew < 0) {\n        originX = originY === TOP ? RIGHT : LEFT;\n      }\n      // is the object flipped on one side only? swap the origin.\n      if (targetHasOneFlip(target)) {\n        originX = originX === LEFT ? RIGHT : LEFT;\n      }\n    }\n\n    // once we have the origin, we find the anchor point\n    transform.originX = originX;\n    var finalHandler = wrapWithFireEvent('skewing', wrapWithFixedAnchor(skewObjectX));\n    return finalHandler(eventData, transform, x, y);\n  }\n\n  /**\n   * Wrapped Action handler for skewing on the Y axis, takes care of the\n   * skew direction and determine the correct transform origin for the anchor point\n   * @param {Event} eventData javascript event that is doing the transform\n   * @param {Object} transform javascript object containing a series of information around the current transform\n   * @param {number} x current mouse x position, canvas normalized\n   * @param {number} y current mouse y position, canvas normalized\n   * @return {Boolean} true if some change happened\n   */\n  function skewHandlerY(eventData, transform, x, y) {\n    // step1 figure out and change transform origin.\n    // if skewY > 0 and originX left we anchor on top\n    // if skewY > 0 and originX right we anchor on bottom\n    // if skewY < 0 and originX left we anchor on bottom\n    // if skewY < 0 and originX right we anchor on top\n    // if skewY is 0, we look for mouse position to understand where are we going.\n    var target = transform.target, currentSkew = target.skewY, originY, originX = transform.originX;\n    if (target.lockSkewingY) {\n      return false;\n    }\n    if (currentSkew === 0) {\n      var localPointFromCenter = getLocalPoint(transform, CENTER, CENTER, x, y);\n      if (localPointFromCenter.y > 0) {\n        // we are pulling down, anchor up;\n        originY = TOP;\n      }\n      else {\n        // we are pulling up, anchor down\n        originY = BOTTOM;\n      }\n    }\n    else {\n      if (currentSkew > 0) {\n        originY = originX === LEFT ? TOP : BOTTOM;\n      }\n      if (currentSkew < 0) {\n        originY = originX === LEFT ? BOTTOM : TOP;\n      }\n      // is the object flipped on one side only? swap the origin.\n      if (targetHasOneFlip(target)) {\n        originY = originY === TOP ? BOTTOM : TOP;\n      }\n    }\n\n    // once we have the origin, we find the anchor point\n    transform.originY = originY;\n    var finalHandler = wrapWithFireEvent('skewing', wrapWithFixedAnchor(skewObjectY));\n    return finalHandler(eventData, transform, x, y);\n  }\n\n  /**\n   * Action handler for rotation and snapping, without anchor point.\n   * Needs to be wrapped with `wrapWithFixedAnchor` to be effective\n   * @param {Event} eventData javascript event that is doing the transform\n   * @param {Object} transform javascript object containing a series of information around the current transform\n   * @param {number} x current mouse x position, canvas normalized\n   * @param {number} y current mouse y position, canvas normalized\n   * @return {Boolean} true if some change happened\n   * @private\n   */\n  function rotationWithSnapping(eventData, transform, x, y) {\n    var t = transform,\n        target = t.target,\n        pivotPoint = target.translateToOriginPoint(target.getCenterPoint(), t.originX, t.originY);\n\n    if (target.lockRotation) {\n      return false;\n    }\n\n    var lastAngle = Math.atan2(t.ey - pivotPoint.y, t.ex - pivotPoint.x),\n        curAngle = Math.atan2(y - pivotPoint.y, x - pivotPoint.x),\n        angle = radiansToDegrees(curAngle - lastAngle + t.theta),\n        hasRotated = true;\n\n    if (target.snapAngle > 0) {\n      var snapAngle  = target.snapAngle,\n          snapThreshold  = target.snapThreshold || snapAngle,\n          rightAngleLocked = Math.ceil(angle / snapAngle) * snapAngle,\n          leftAngleLocked = Math.floor(angle / snapAngle) * snapAngle;\n\n      if (Math.abs(angle - leftAngleLocked) < snapThreshold) {\n        angle = leftAngleLocked;\n      }\n      else if (Math.abs(angle - rightAngleLocked) < snapThreshold) {\n        angle = rightAngleLocked;\n      }\n    }\n\n    // normalize angle to positive value\n    if (angle < 0) {\n      angle = 360 + angle;\n    }\n    angle %= 360;\n\n    hasRotated = target.angle !== angle;\n    target.angle = angle;\n    return hasRotated;\n  }\n\n  /**\n   * Basic scaling logic, reused with different constrain for scaling X,Y, freely or equally.\n   * Needs to be wrapped with `wrapWithFixedAnchor` to be effective\n   * @param {Event} eventData javascript event that is doing the transform\n   * @param {Object} transform javascript object containing a series of information around the current transform\n   * @param {number} x current mouse x position, canvas normalized\n   * @param {number} y current mouse y position, canvas normalized\n   * @param {Object} options additional information for scaling\n   * @param {String} options.by 'x', 'y', 'equally' or '' to indicate type of scaling\n   * @return {Boolean} true if some change happened\n   * @private\n   */\n  function scaleObject(eventData, transform, x, y, options) {\n    options = options || {};\n    var target = transform.target,\n        lockScalingX = target.lockScalingX, lockScalingY = target.lockScalingY,\n        by = options.by, newPoint, scaleX, scaleY, dim,\n        scaleProportionally = scaleIsProportional(eventData, target),\n        forbidScaling = scalingIsForbidden(target, by, scaleProportionally),\n        signX, signY, gestureScale = transform.gestureScale;\n\n    if (forbidScaling) {\n      return false;\n    }\n    if (gestureScale) {\n      scaleX = transform.scaleX * gestureScale;\n      scaleY = transform.scaleY * gestureScale;\n    }\n    else {\n      newPoint = getLocalPoint(transform, transform.originX, transform.originY, x, y);\n      // use of sign: We use sign to detect change of direction of an action. sign usually change when\n      // we cross the origin point with the mouse. So a scale flip for example. There is an issue when scaling\n      // by center and scaling using one middle control ( default: mr, mt, ml, mb), the mouse movement can easily\n      // cross many time the origin point and flip the object. so we need a way to filter out the noise.\n      // This ternary here should be ok to filter out X scaling when we want Y only and vice versa.\n      signX = by !== 'y' ? sign(newPoint.x) : 1;\n      signY = by !== 'x' ? sign(newPoint.y) : 1;\n      if (!transform.signX) {\n        transform.signX = signX;\n      }\n      if (!transform.signY) {\n        transform.signY = signY;\n      }\n\n      if (target.lockScalingFlip &&\n        (transform.signX !== signX || transform.signY !== signY)\n      ) {\n        return false;\n      }\n\n      dim = target._getTransformedDimensions();\n      // missing detection of flip and logic to switch the origin\n      if (scaleProportionally && !by) {\n        // uniform scaling\n        var distance = Math.abs(newPoint.x) + Math.abs(newPoint.y),\n            original = transform.original,\n            originalDistance = Math.abs(dim.x * original.scaleX / target.scaleX) +\n              Math.abs(dim.y * original.scaleY / target.scaleY),\n            scale = distance / originalDistance;\n        scaleX = original.scaleX * scale;\n        scaleY = original.scaleY * scale;\n      }\n      else {\n        scaleX = Math.abs(newPoint.x * target.scaleX / dim.x);\n        scaleY = Math.abs(newPoint.y * target.scaleY / dim.y);\n      }\n      // if we are scaling by center, we need to double the scale\n      if (isTransformCentered(transform)) {\n        scaleX *= 2;\n        scaleY *= 2;\n      }\n      if (transform.signX !== signX && by !== 'y') {\n        transform.originX = opposite[transform.originX];\n        scaleX *= -1;\n        transform.signX = signX;\n      }\n      if (transform.signY !== signY && by !== 'x') {\n        transform.originY = opposite[transform.originY];\n        scaleY *= -1;\n        transform.signY = signY;\n      }\n    }\n    // minScale is taken are in the setter.\n    var oldScaleX = target.scaleX, oldScaleY = target.scaleY;\n    if (!by) {\n      !lockScalingX && target.set('scaleX', scaleX);\n      !lockScalingY && target.set('scaleY', scaleY);\n    }\n    else {\n      // forbidden cases already handled on top here.\n      by === 'x' && target.set('scaleX', scaleX);\n      by === 'y' && target.set('scaleY', scaleY);\n    }\n    return oldScaleX !== target.scaleX || oldScaleY !== target.scaleY;\n  }\n\n  /**\n   * Generic scaling logic, to scale from corners either equally or freely.\n   * Needs to be wrapped with `wrapWithFixedAnchor` to be effective\n   * @param {Event} eventData javascript event that is doing the transform\n   * @param {Object} transform javascript object containing a series of information around the current transform\n   * @param {number} x current mouse x position, canvas normalized\n   * @param {number} y current mouse y position, canvas normalized\n   * @return {Boolean} true if some change happened\n   */\n  function scaleObjectFromCorner(eventData, transform, x, y) {\n    return scaleObject(eventData, transform, x, y);\n  }\n\n  /**\n   * Scaling logic for the X axis.\n   * Needs to be wrapped with `wrapWithFixedAnchor` to be effective\n   * @param {Event} eventData javascript event that is doing the transform\n   * @param {Object} transform javascript object containing a series of information around the current transform\n   * @param {number} x current mouse x position, canvas normalized\n   * @param {number} y current mouse y position, canvas normalized\n   * @return {Boolean} true if some change happened\n   */\n  function scaleObjectX(eventData, transform, x, y) {\n    return scaleObject(eventData, transform, x, y , { by: 'x' });\n  }\n\n  /**\n   * Scaling logic for the Y axis.\n   * Needs to be wrapped with `wrapWithFixedAnchor` to be effective\n   * @param {Event} eventData javascript event that is doing the transform\n   * @param {Object} transform javascript object containing a series of information around the current transform\n   * @param {number} x current mouse x position, canvas normalized\n   * @param {number} y current mouse y position, canvas normalized\n   * @return {Boolean} true if some change happened\n   */\n  function scaleObjectY(eventData, transform, x, y) {\n    return scaleObject(eventData, transform, x, y , { by: 'y' });\n  }\n\n  /**\n   * Composed action handler to either scale Y or skew X\n   * Needs to be wrapped with `wrapWithFixedAnchor` to be effective\n   * @param {Event} eventData javascript event that is doing the transform\n   * @param {Object} transform javascript object containing a series of information around the current transform\n   * @param {number} x current mouse x position, canvas normalized\n   * @param {number} y current mouse y position, canvas normalized\n   * @return {Boolean} true if some change happened\n   */\n  function scalingYOrSkewingX(eventData, transform, x, y) {\n    // ok some safety needed here.\n    if (eventData[transform.target.canvas.altActionKey]) {\n      return controls.skewHandlerX(eventData, transform, x, y);\n    }\n    return controls.scalingY(eventData, transform, x, y);\n  }\n\n  /**\n   * Composed action handler to either scale X or skew Y\n   * Needs to be wrapped with `wrapWithFixedAnchor` to be effective\n   * @param {Event} eventData javascript event that is doing the transform\n   * @param {Object} transform javascript object containing a series of information around the current transform\n   * @param {number} x current mouse x position, canvas normalized\n   * @param {number} y current mouse y position, canvas normalized\n   * @return {Boolean} true if some change happened\n   */\n  function scalingXOrSkewingY(eventData, transform, x, y) {\n    // ok some safety needed here.\n    if (eventData[transform.target.canvas.altActionKey]) {\n      return controls.skewHandlerY(eventData, transform, x, y);\n    }\n    return controls.scalingX(eventData, transform, x, y);\n  }\n\n  /**\n   * Action handler to change textbox width\n   * Needs to be wrapped with `wrapWithFixedAnchor` to be effective\n   * @param {Event} eventData javascript event that is doing the transform\n   * @param {Object} transform javascript object containing a series of information around the current transform\n   * @param {number} x current mouse x position, canvas normalized\n   * @param {number} y current mouse y position, canvas normalized\n   * @return {Boolean} true if some change happened\n   */\n  function changeWidth(eventData, transform, x, y) {\n    var target = transform.target, localPoint = getLocalPoint(transform, transform.originX, transform.originY, x, y),\n        strokePadding = target.strokeWidth / (target.strokeUniform ? target.scaleX : 1),\n        multiplier = isTransformCentered(transform) ? 2 : 1,\n        oldWidth = target.width,\n        newWidth = Math.abs(localPoint.x * multiplier / target.scaleX) - strokePadding;\n    target.set('width', Math.max(newWidth, 0));\n    return oldWidth !== newWidth;\n  }\n\n  /**\n   * Action handler\n   * @private\n   * @param {Event} eventData javascript event that is doing the transform\n   * @param {Object} transform javascript object containing a series of information around the current transform\n   * @param {number} x current mouse x position, canvas normalized\n   * @param {number} y current mouse y position, canvas normalized\n   * @return {Boolean} true if the translation occurred\n   */\n  function dragHandler(eventData, transform, x, y) {\n    var target = transform.target,\n        newLeft = x - transform.offsetX,\n        newTop = y - transform.offsetY,\n        moveX = !target.get('lockMovementX') && target.left !== newLeft,\n        moveY = !target.get('lockMovementY') && target.top !== newTop;\n    moveX && target.set('left', newLeft);\n    moveY && target.set('top', newTop);\n    if (moveX || moveY) {\n      fireEvent('moving', commonEventInfo(eventData, transform, x, y));\n    }\n    return moveX || moveY;\n  }\n\n  controls.scaleCursorStyleHandler = scaleCursorStyleHandler;\n  controls.skewCursorStyleHandler = skewCursorStyleHandler;\n  controls.scaleSkewCursorStyleHandler = scaleSkewCursorStyleHandler;\n  controls.rotationWithSnapping = wrapWithFireEvent('rotating', wrapWithFixedAnchor(rotationWithSnapping));\n  controls.scalingEqually = wrapWithFireEvent('scaling', wrapWithFixedAnchor( scaleObjectFromCorner));\n  controls.scalingX = wrapWithFireEvent('scaling', wrapWithFixedAnchor(scaleObjectX));\n  controls.scalingY = wrapWithFireEvent('scaling', wrapWithFixedAnchor(scaleObjectY));\n  controls.scalingYOrSkewingX = scalingYOrSkewingX;\n  controls.scalingXOrSkewingY = scalingXOrSkewingY;\n  controls.changeWidth = wrapWithFireEvent('resizing', wrapWithFixedAnchor(changeWidth));\n  controls.skewHandlerX = skewHandlerX;\n  controls.skewHandlerY = skewHandlerY;\n  controls.dragHandler = dragHandler;\n  controls.scaleOrSkewActionName = scaleOrSkewActionName;\n  controls.rotationStyleHandler = rotationStyleHandler;\n  controls.fireEvent = fireEvent;\n  controls.wrapWithFixedAnchor = wrapWithFixedAnchor;\n  controls.wrapWithFireEvent = wrapWithFireEvent;\n  controls.getLocalPoint = getLocalPoint;\n  fabric.controlsUtils = controls;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { }),\n      degreesToRadians = fabric.util.degreesToRadians,\n      controls = fabric.controlsUtils;\n\n  /**\n   * Render a round control, as per fabric features.\n   * This function is written to respect object properties like transparentCorners, cornerSize\n   * cornerColor, cornerStrokeColor\n   * plus the addition of offsetY and offsetX.\n   * @param {CanvasRenderingContext2D} ctx context to render on\n   * @param {Number} left x coordinate where the control center should be\n   * @param {Number} top y coordinate where the control center should be\n   * @param {Object} styleOverride override for fabric.Object controls style\n   * @param {fabric.Object} fabricObject the fabric object for which we are rendering controls\n   */\n  function renderCircleControl (ctx, left, top, styleOverride, fabricObject) {\n    styleOverride = styleOverride || {};\n    var xSize = this.sizeX || styleOverride.cornerSize || fabricObject.cornerSize,\n        ySize = this.sizeY || styleOverride.cornerSize || fabricObject.cornerSize,\n        transparentCorners = typeof styleOverride.transparentCorners !== 'undefined' ?\n          styleOverride.transparentCorners : fabricObject.transparentCorners,\n        methodName = transparentCorners ? 'stroke' : 'fill',\n        stroke = !transparentCorners && (styleOverride.cornerStrokeColor || fabricObject.cornerStrokeColor),\n        myLeft = left,\n        myTop = top, size;\n    ctx.save();\n    ctx.fillStyle = styleOverride.cornerColor || fabricObject.cornerColor;\n    ctx.strokeStyle = styleOverride.cornerStrokeColor || fabricObject.cornerStrokeColor;\n    // as soon as fabric react v5, remove ie11, use proper ellipse code.\n    if (xSize > ySize) {\n      size = xSize;\n      ctx.scale(1.0, ySize / xSize);\n      myTop = top * xSize / ySize;\n    }\n    else if (ySize > xSize) {\n      size = ySize;\n      ctx.scale(xSize / ySize, 1.0);\n      myLeft = left * ySize / xSize;\n    }\n    else {\n      size = xSize;\n    }\n    // this is still wrong\n    ctx.lineWidth = 1;\n    ctx.beginPath();\n    ctx.arc(myLeft, myTop, size / 2, 0, 2 * Math.PI, false);\n    ctx[methodName]();\n    if (stroke) {\n      ctx.stroke();\n    }\n    ctx.restore();\n  }\n\n  /**\n   * Render a square control, as per fabric features.\n   * This function is written to respect object properties like transparentCorners, cornerSize\n   * cornerColor, cornerStrokeColor\n   * plus the addition of offsetY and offsetX.\n   * @param {CanvasRenderingContext2D} ctx context to render on\n   * @param {Number} left x coordinate where the control center should be\n   * @param {Number} top y coordinate where the control center should be\n   * @param {Object} styleOverride override for fabric.Object controls style\n   * @param {fabric.Object} fabricObject the fabric object for which we are rendering controls\n   */\n  function renderSquareControl(ctx, left, top, styleOverride, fabricObject) {\n    styleOverride = styleOverride || {};\n    var xSize = this.sizeX || styleOverride.cornerSize || fabricObject.cornerSize,\n        ySize = this.sizeY || styleOverride.cornerSize || fabricObject.cornerSize,\n        transparentCorners = typeof styleOverride.transparentCorners !== 'undefined' ?\n          styleOverride.transparentCorners : fabricObject.transparentCorners,\n        methodName = transparentCorners ? 'stroke' : 'fill',\n        stroke = !transparentCorners && (\n          styleOverride.cornerStrokeColor || fabricObject.cornerStrokeColor\n        ), xSizeBy2 = xSize / 2, ySizeBy2 = ySize / 2;\n    ctx.save();\n    ctx.fillStyle = styleOverride.cornerColor || fabricObject.cornerColor;\n    ctx.strokeStyle = styleOverride.cornerStrokeColor || fabricObject.cornerStrokeColor;\n    // this is still wrong\n    ctx.lineWidth = 1;\n    ctx.translate(left, top);\n    ctx.rotate(degreesToRadians(fabricObject.angle));\n    // this does not work, and fixed with ( && ) does not make sense.\n    // to have real transparent corners we need the controls on upperCanvas\n    // transparentCorners || ctx.clearRect(-xSizeBy2, -ySizeBy2, xSize, ySize);\n    ctx[methodName + 'Rect'](-xSizeBy2, -ySizeBy2, xSize, ySize);\n    if (stroke) {\n      ctx.strokeRect(-xSizeBy2, -ySizeBy2, xSize, ySize);\n    }\n    ctx.restore();\n  }\n\n  controls.renderCircleControl = renderCircleControl;\n  controls.renderSquareControl = renderSquareControl;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { });\n\n  function Control(options) {\n    for (var i in options) {\n      this[i] = options[i];\n    }\n  }\n\n  fabric.Control = Control;\n\n  fabric.Control.prototype = /** @lends fabric.Control.prototype */ {\n\n    /**\n     * keep track of control visibility.\n     * mainly for backward compatibility.\n     * if you do not want to see a control, you can remove it\n     * from the controlset.\n     * @type {Boolean}\n     * @default true\n     */\n    visible: true,\n\n    /**\n     * Name of the action that the control will likely execute.\n     * This is optional. FabricJS uses to identify what the user is doing for some\n     * extra optimizations. If you are writing a custom control and you want to know\n     * somewhere else in the code what is going on, you can use this string here.\n     * you can also provide a custom getActionName if your control run multiple actions\n     * depending on some external state.\n     * default to scale since is the most common, used on 4 corners by default\n     * @type {String}\n     * @default 'scale'\n     */\n    actionName: 'scale',\n\n    /**\n     * Drawing angle of the control.\n     * NOT used for now, but name marked as needed for internal logic\n     * example: to reuse the same drawing function for different rotated controls\n     * @type {Number}\n     * @default 0\n     */\n    angle: 0,\n\n    /**\n     * Relative position of the control. X\n     * 0,0 is the center of the Object, while -0.5 (left) or 0.5 (right) are the extremities\n     * of the bounding box.\n     * @type {Number}\n     * @default 0\n     */\n    x: 0,\n\n    /**\n     * Relative position of the control. Y\n     * 0,0 is the center of the Object, while -0.5 (top) or 0.5 (bottom) are the extremities\n     * of the bounding box.\n     * @type {Number}\n     * @default 0\n     */\n    y: 0,\n\n    /**\n     * Horizontal offset of the control from the defined position. In pixels\n     * Positive offset moves the control to the right, negative to the left.\n     * It used when you want to have position of control that does not scale with\n     * the bounding box. Example: rotation control is placed at x:0, y: 0.5 on\n     * the boundindbox, with an offset of 30 pixels vertically. Those 30 pixels will\n     * stay 30 pixels no matter how the object is big. Another example is having 2\n     * controls in the corner, that stay in the same position when the object scale.\n     * of the bounding box.\n     * @type {Number}\n     * @default 0\n     */\n    offsetX: 0,\n\n    /**\n     * Vertical offset of the control from the defined position. In pixels\n     * Positive offset moves the control to the bottom, negative to the top.\n     * @type {Number}\n     * @default 0\n     */\n    offsetY: 0,\n\n    /**\n     * Sets the length of the control. If null, defaults to object's cornerSize.\n     * Expects both sizeX and sizeY to be set when set.\n     * @type {?Number}\n     * @default null\n     */\n    sizeX: null,\n\n    /**\n     * Sets the height of the control. If null, defaults to object's cornerSize.\n     * Expects both sizeX and sizeY to be set when set.\n     * @type {?Number}\n     * @default null\n     */\n    sizeY: null,\n\n    /**\n     * Sets the length of the touch area of the control. If null, defaults to object's touchCornerSize.\n     * Expects both touchSizeX and touchSizeY to be set when set.\n     * @type {?Number}\n     * @default null\n     */\n    touchSizeX: null,\n\n    /**\n     * Sets the height of the touch area of the control. If null, defaults to object's touchCornerSize.\n     * Expects both touchSizeX and touchSizeY to be set when set.\n     * @type {?Number}\n     * @default null\n     */\n    touchSizeY: null,\n\n    /**\n     * Css cursor style to display when the control is hovered.\n     * if the method `cursorStyleHandler` is provided, this property is ignored.\n     * @type {String}\n     * @default 'crosshair'\n     */\n    cursorStyle: 'crosshair',\n\n    /**\n     * If controls has an offsetY or offsetX, draw a line that connects\n     * the control to the bounding box\n     * @type {Boolean}\n     * @default false\n     */\n    withConnection: false,\n\n    /**\n     * The control actionHandler, provide one to handle action ( control being moved )\n     * @param {Event} eventData the native mouse event\n     * @param {Object} transformData properties of the current transform\n     * @param {Number} x x position of the cursor\n     * @param {Number} y y position of the cursor\n     * @return {Boolean} true if the action/event modified the object\n     */\n    actionHandler: function(/* eventData, transformData, x, y */) { },\n\n    /**\n     * The control handler for mouse down, provide one to handle mouse down on control\n     * @param {Event} eventData the native mouse event\n     * @param {Object} transformData properties of the current transform\n     * @param {Number} x x position of the cursor\n     * @param {Number} y y position of the cursor\n     * @return {Boolean} true if the action/event modified the object\n     */\n    mouseDownHandler: function(/* eventData, transformData, x, y */) { },\n\n    /**\n     * The control mouseUpHandler, provide one to handle an effect on mouse up.\n     * @param {Event} eventData the native mouse event\n     * @param {Object} transformData properties of the current transform\n     * @param {Number} x x position of the cursor\n     * @param {Number} y y position of the cursor\n     * @return {Boolean} true if the action/event modified the object\n     */\n    mouseUpHandler: function(/* eventData, transformData, x, y */) { },\n\n    /**\n     * Returns control actionHandler\n     * @param {Event} eventData the native mouse event\n     * @param {fabric.Object} fabricObject on which the control is displayed\n     * @param {fabric.Control} control control for which the action handler is being asked\n     * @return {Function} the action handler\n     */\n    getActionHandler: function(/* eventData, fabricObject, control */) {\n      return this.actionHandler;\n    },\n\n    /**\n     * Returns control mouseDown handler\n     * @param {Event} eventData the native mouse event\n     * @param {fabric.Object} fabricObject on which the control is displayed\n     * @param {fabric.Control} control control for which the action handler is being asked\n     * @return {Function} the action handler\n     */\n    getMouseDownHandler: function(/* eventData, fabricObject, control */) {\n      return this.mouseDownHandler;\n    },\n\n    /**\n     * Returns control mouseUp handler\n     * @param {Event} eventData the native mouse event\n     * @param {fabric.Object} fabricObject on which the control is displayed\n     * @param {fabric.Control} control control for which the action handler is being asked\n     * @return {Function} the action handler\n     */\n    getMouseUpHandler: function(/* eventData, fabricObject, control */) {\n      return this.mouseUpHandler;\n    },\n\n    /**\n     * Returns control cursorStyle for css using cursorStyle. If you need a more elaborate\n     * function you can pass one in the constructor\n     * the cursorStyle property\n     * @param {Event} eventData the native mouse event\n     * @param {fabric.Control} control the current control ( likely this)\n     * @param {fabric.Object} object on which the control is displayed\n     * @return {String}\n     */\n    cursorStyleHandler: function(eventData, control /* fabricObject */) {\n      return control.cursorStyle;\n    },\n\n    /**\n     * Returns the action name. The basic implementation just return the actionName property.\n     * @param {Event} eventData the native mouse event\n     * @param {fabric.Control} control the current control ( likely this)\n     * @param {fabric.Object} object on which the control is displayed\n     * @return {String}\n     */\n    getActionName: function(eventData, control /* fabricObject */) {\n      return control.actionName;\n    },\n\n    /**\n     * Returns controls visibility\n     * @param {fabric.Object} object on which the control is displayed\n     * @param {String} controlKey key where the control is memorized on the\n     * @return {Boolean}\n     */\n    getVisibility: function(fabricObject, controlKey) {\n      var objectVisibility = fabricObject._controlsVisibility;\n      if (objectVisibility && typeof objectVisibility[controlKey] !== 'undefined') {\n        return objectVisibility[controlKey];\n      }\n      return this.visible;\n    },\n\n    /**\n     * Sets controls visibility\n     * @param {Boolean} visibility for the object\n     * @return {Void}\n     */\n    setVisibility: function(visibility /* name, fabricObject */) {\n      this.visible = visibility;\n    },\n\n\n    positionHandler: function(dim, finalMatrix /*, fabricObject, currentControl */) {\n      var point = fabric.util.transformPoint({\n        x: this.x * dim.x + this.offsetX,\n        y: this.y * dim.y + this.offsetY }, finalMatrix);\n      return point;\n    },\n\n    /**\n     * Returns the coords for this control based on object values.\n     * @param {Number} objectAngle angle from the fabric object holding the control\n     * @param {Number} objectCornerSize cornerSize from the fabric object holding the control (or touchCornerSize if\n     *   isTouch is true)\n     * @param {Number} centerX x coordinate where the control center should be\n     * @param {Number} centerY y coordinate where the control center should be\n     * @param {boolean} isTouch true if touch corner, false if normal corner\n     */\n    calcCornerCoords: function(objectAngle, objectCornerSize, centerX, centerY, isTouch) {\n      var cosHalfOffset,\n          sinHalfOffset,\n          cosHalfOffsetComp,\n          sinHalfOffsetComp,\n          xSize = (isTouch) ? this.touchSizeX : this.sizeX,\n          ySize = (isTouch) ? this.touchSizeY : this.sizeY;\n      if (xSize && ySize && xSize !== ySize) {\n        // handle rectangular corners\n        var controlTriangleAngle = Math.atan2(ySize, xSize);\n        var cornerHypotenuse = Math.sqrt(xSize * xSize + ySize * ySize) / 2;\n        var newTheta = controlTriangleAngle - fabric.util.degreesToRadians(objectAngle);\n        var newThetaComp = Math.PI / 2 - controlTriangleAngle - fabric.util.degreesToRadians(objectAngle);\n        cosHalfOffset = cornerHypotenuse * fabric.util.cos(newTheta);\n        sinHalfOffset = cornerHypotenuse * fabric.util.sin(newTheta);\n        // use complementary angle for two corners\n        cosHalfOffsetComp = cornerHypotenuse * fabric.util.cos(newThetaComp);\n        sinHalfOffsetComp = cornerHypotenuse * fabric.util.sin(newThetaComp);\n      }\n      else {\n        // handle square corners\n        // use default object corner size unless size is defined\n        var cornerSize = (xSize && ySize) ? xSize : objectCornerSize;\n        /* 0.7071067812 stands for sqrt(2)/2 */\n        cornerHypotenuse = cornerSize * 0.7071067812;\n        // complementary angles are equal since they're both 45 degrees\n        var newTheta = fabric.util.degreesToRadians(45 - objectAngle);\n        cosHalfOffset = cosHalfOffsetComp = cornerHypotenuse * fabric.util.cos(newTheta);\n        sinHalfOffset = sinHalfOffsetComp = cornerHypotenuse * fabric.util.sin(newTheta);\n      }\n\n      return {\n        tl: {\n          x: centerX - sinHalfOffsetComp,\n          y: centerY - cosHalfOffsetComp,\n        },\n        tr: {\n          x: centerX + cosHalfOffset,\n          y: centerY - sinHalfOffset,\n        },\n        bl: {\n          x: centerX - cosHalfOffset,\n          y: centerY + sinHalfOffset,\n        },\n        br: {\n          x: centerX + sinHalfOffsetComp,\n          y: centerY + cosHalfOffsetComp,\n        },\n      };\n    },\n\n    /**\n    * Render function for the control.\n    * When this function runs the context is unscaled. unrotate. Just retina scaled.\n    * all the functions will have to translate to the point left,top before starting Drawing\n    * if they want to draw a control where the position is detected.\n    * left and top are the result of the positionHandler function\n    * @param {RenderingContext2D} ctx the context where the control will be drawn\n    * @param {Number} left position of the canvas where we are about to render the control.\n    * @param {Number} top position of the canvas where we are about to render the control.\n    * @param {Object} styleOverride\n    * @param {fabric.Object} fabricObject the object where the control is about to be rendered\n    */\n    render: function(ctx, left, top, styleOverride, fabricObject) {\n      styleOverride = styleOverride || {};\n      switch (styleOverride.cornerStyle || fabricObject.cornerStyle) {\n        case 'circle':\n          fabric.controlsUtils.renderCircleControl.call(this, ctx, left, top, styleOverride, fabricObject);\n          break;\n        default:\n          fabric.controlsUtils.renderSquareControl.call(this, ctx, left, top, styleOverride, fabricObject);\n      }\n    },\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function() {\n\n  /* _FROM_SVG_START_ */\n  function getColorStop(el, multiplier) {\n    var style = el.getAttribute('style'),\n        offset = el.getAttribute('offset') || 0,\n        color, colorAlpha, opacity, i;\n\n    // convert percents to absolute values\n    offset = parseFloat(offset) / (/%$/.test(offset) ? 100 : 1);\n    offset = offset < 0 ? 0 : offset > 1 ? 1 : offset;\n    if (style) {\n      var keyValuePairs = style.split(/\\s*;\\s*/);\n\n      if (keyValuePairs[keyValuePairs.length - 1] === '') {\n        keyValuePairs.pop();\n      }\n\n      for (i = keyValuePairs.length; i--; ) {\n\n        var split = keyValuePairs[i].split(/\\s*:\\s*/),\n            key = split[0].trim(),\n            value = split[1].trim();\n\n        if (key === 'stop-color') {\n          color = value;\n        }\n        else if (key === 'stop-opacity') {\n          opacity = value;\n        }\n      }\n    }\n\n    if (!color) {\n      color = el.getAttribute('stop-color') || 'rgb(0,0,0)';\n    }\n    if (!opacity) {\n      opacity = el.getAttribute('stop-opacity');\n    }\n\n    color = new fabric.Color(color);\n    colorAlpha = color.getAlpha();\n    opacity = isNaN(parseFloat(opacity)) ? 1 : parseFloat(opacity);\n    opacity *= colorAlpha * multiplier;\n\n    return {\n      offset: offset,\n      color: color.toRgb(),\n      opacity: opacity\n    };\n  }\n\n  function getLinearCoords(el) {\n    return {\n      x1: el.getAttribute('x1') || 0,\n      y1: el.getAttribute('y1') || 0,\n      x2: el.getAttribute('x2') || '100%',\n      y2: el.getAttribute('y2') || 0\n    };\n  }\n\n  function getRadialCoords(el) {\n    return {\n      x1: el.getAttribute('fx') || el.getAttribute('cx') || '50%',\n      y1: el.getAttribute('fy') || el.getAttribute('cy') || '50%',\n      r1: 0,\n      x2: el.getAttribute('cx') || '50%',\n      y2: el.getAttribute('cy') || '50%',\n      r2: el.getAttribute('r') || '50%'\n    };\n  }\n  /* _FROM_SVG_END_ */\n\n  var clone = fabric.util.object.clone;\n\n  /**\n   * Gradient class\n   * @class fabric.Gradient\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-2#gradients}\n   * @see {@link fabric.Gradient#initialize} for constructor definition\n   */\n  fabric.Gradient = fabric.util.createClass(/** @lends fabric.Gradient.prototype */ {\n\n    /**\n     * Horizontal offset for aligning gradients coming from SVG when outside pathgroups\n     * @type Number\n     * @default 0\n     */\n    offsetX: 0,\n\n    /**\n     * Vertical offset for aligning gradients coming from SVG when outside pathgroups\n     * @type Number\n     * @default 0\n     */\n    offsetY: 0,\n\n    /**\n     * A transform matrix to apply to the gradient before painting.\n     * Imported from svg gradients, is not applied with the current transform in the center.\n     * Before this transform is applied, the origin point is at the top left corner of the object\n     * plus the addition of offsetY and offsetX.\n     * @type Number[]\n     * @default null\n     */\n    gradientTransform: null,\n\n    /**\n     * coordinates units for coords.\n     * If `pixels`, the number of coords are in the same unit of width / height.\n     * If set as `percentage` the coords are still a number, but 1 means 100% of width\n     * for the X and 100% of the height for the y. It can be bigger than 1 and negative.\n     * allowed values pixels or percentage.\n     * @type String\n     * @default 'pixels'\n     */\n    gradientUnits: 'pixels',\n\n    /**\n     * Gradient type linear or radial\n     * @type String\n     * @default 'pixels'\n     */\n    type: 'linear',\n\n    /**\n     * Constructor\n     * @param {Object} options Options object with type, coords, gradientUnits and colorStops\n     * @param {Object} [options.type] gradient type linear or radial\n     * @param {Object} [options.gradientUnits] gradient units\n     * @param {Object} [options.offsetX] SVG import compatibility\n     * @param {Object} [options.offsetY] SVG import compatibility\n     * @param {Object[]} options.colorStops contains the colorstops.\n     * @param {Object} options.coords contains the coords of the gradient\n     * @param {Number} [options.coords.x1] X coordiante of the first point for linear or of the focal point for radial\n     * @param {Number} [options.coords.y1] Y coordiante of the first point for linear or of the focal point for radial\n     * @param {Number} [options.coords.x2] X coordiante of the second point for linear or of the center point for radial\n     * @param {Number} [options.coords.y2] Y coordiante of the second point for linear or of the center point for radial\n     * @param {Number} [options.coords.r1] only for radial gradient, radius of the inner circle\n     * @param {Number} [options.coords.r2] only for radial gradient, radius of the external circle\n     * @return {fabric.Gradient} thisArg\n     */\n    initialize: function(options) {\n      options || (options = { });\n      options.coords || (options.coords = { });\n\n      var coords, _this = this;\n\n      // sets everything, then coords and colorstops get sets again\n      Object.keys(options).forEach(function(option) {\n        _this[option] = options[option];\n      });\n\n      if (this.id) {\n        this.id += '_' + fabric.Object.__uid++;\n      }\n      else {\n        this.id = fabric.Object.__uid++;\n      }\n\n      coords = {\n        x1: options.coords.x1 || 0,\n        y1: options.coords.y1 || 0,\n        x2: options.coords.x2 || 0,\n        y2: options.coords.y2 || 0\n      };\n\n      if (this.type === 'radial') {\n        coords.r1 = options.coords.r1 || 0;\n        coords.r2 = options.coords.r2 || 0;\n      }\n\n      this.coords = coords;\n      this.colorStops = options.colorStops.slice();\n    },\n\n    /**\n     * Adds another colorStop\n     * @param {Object} colorStop Object with offset and color\n     * @return {fabric.Gradient} thisArg\n     */\n    addColorStop: function(colorStops) {\n      for (var position in colorStops) {\n        var color = new fabric.Color(colorStops[position]);\n        this.colorStops.push({\n          offset: parseFloat(position),\n          color: color.toRgb(),\n          opacity: color.getAlpha()\n        });\n      }\n      return this;\n    },\n\n    /**\n     * Returns object representation of a gradient\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object}\n     */\n    toObject: function(propertiesToInclude) {\n      var object = {\n        type: this.type,\n        coords: this.coords,\n        colorStops: this.colorStops,\n        offsetX: this.offsetX,\n        offsetY: this.offsetY,\n        gradientUnits: this.gradientUnits,\n        gradientTransform: this.gradientTransform ? this.gradientTransform.concat() : this.gradientTransform\n      };\n      fabric.util.populateWithProperties(this, object, propertiesToInclude);\n\n      return object;\n    },\n\n    /* _TO_SVG_START_ */\n    /**\n     * Returns SVG representation of an gradient\n     * @param {Object} object Object to create a gradient for\n     * @return {String} SVG representation of an gradient (linear/radial)\n     */\n    toSVG: function(object, options) {\n      var coords = clone(this.coords, true), i, len, options = options || {},\n          markup, commonAttributes, colorStops = clone(this.colorStops, true),\n          needsSwap = coords.r1 > coords.r2,\n          transform = this.gradientTransform ? this.gradientTransform.concat() : fabric.iMatrix.concat(),\n          offsetX = -this.offsetX, offsetY = -this.offsetY,\n          withViewport = !!options.additionalTransform,\n          gradientUnits = this.gradientUnits === 'pixels' ? 'userSpaceOnUse' : 'objectBoundingBox';\n      // colorStops must be sorted ascending\n      colorStops.sort(function(a, b) {\n        return a.offset - b.offset;\n      });\n\n      if (gradientUnits === 'objectBoundingBox') {\n        offsetX /= object.width;\n        offsetY /= object.height;\n      }\n      else {\n        offsetX += object.width / 2;\n        offsetY += object.height / 2;\n      }\n      if (object.type === 'path' && this.gradientUnits !== 'percentage') {\n        offsetX -= object.pathOffset.x;\n        offsetY -= object.pathOffset.y;\n      }\n\n\n      transform[4] -= offsetX;\n      transform[5] -= offsetY;\n\n      commonAttributes = 'id=\"SVGID_' + this.id +\n                     '\" gradientUnits=\"' + gradientUnits + '\"';\n      commonAttributes += ' gradientTransform=\"' + (withViewport ?\n        options.additionalTransform + ' ' : '') + fabric.util.matrixToSVG(transform) + '\" ';\n\n      if (this.type === 'linear') {\n        markup = [\n          '<linearGradient ',\n          commonAttributes,\n          ' x1=\"', coords.x1,\n          '\" y1=\"', coords.y1,\n          '\" x2=\"', coords.x2,\n          '\" y2=\"', coords.y2,\n          '\">\\n'\n        ];\n      }\n      else if (this.type === 'radial') {\n        // svg radial gradient has just 1 radius. the biggest.\n        markup = [\n          '<radialGradient ',\n          commonAttributes,\n          ' cx=\"', needsSwap ? coords.x1 : coords.x2,\n          '\" cy=\"', needsSwap ? coords.y1 : coords.y2,\n          '\" r=\"', needsSwap ? coords.r1 : coords.r2,\n          '\" fx=\"', needsSwap ? coords.x2 : coords.x1,\n          '\" fy=\"', needsSwap ? coords.y2 : coords.y1,\n          '\">\\n'\n        ];\n      }\n\n      if (this.type === 'radial') {\n        if (needsSwap) {\n          // svg goes from internal to external radius. if radius are inverted, swap color stops.\n          colorStops = colorStops.concat();\n          colorStops.reverse();\n          for (i = 0, len = colorStops.length; i < len; i++) {\n            colorStops[i].offset = 1 - colorStops[i].offset;\n          }\n        }\n        var minRadius = Math.min(coords.r1, coords.r2);\n        if (minRadius > 0) {\n          // i have to shift all colorStops and add new one in 0.\n          var maxRadius = Math.max(coords.r1, coords.r2),\n              percentageShift = minRadius / maxRadius;\n          for (i = 0, len = colorStops.length; i < len; i++) {\n            colorStops[i].offset += percentageShift * (1 - colorStops[i].offset);\n          }\n        }\n      }\n\n      for (i = 0, len = colorStops.length; i < len; i++) {\n        var colorStop = colorStops[i];\n        markup.push(\n          '<stop ',\n          'offset=\"', (colorStop.offset * 100) + '%',\n          '\" style=\"stop-color:', colorStop.color,\n          (typeof colorStop.opacity !== 'undefined' ? ';stop-opacity: ' + colorStop.opacity : ';'),\n          '\"/>\\n'\n        );\n      }\n\n      markup.push((this.type === 'linear' ? '</linearGradient>\\n' : '</radialGradient>\\n'));\n\n      return markup.join('');\n    },\n    /* _TO_SVG_END_ */\n\n    /**\n     * Returns an instance of CanvasGradient\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @return {CanvasGradient}\n     */\n    toLive: function(ctx) {\n      var gradient, coords = fabric.util.object.clone(this.coords), i, len;\n\n      if (!this.type) {\n        return;\n      }\n\n      if (this.type === 'linear') {\n        gradient = ctx.createLinearGradient(\n          coords.x1, coords.y1, coords.x2, coords.y2);\n      }\n      else if (this.type === 'radial') {\n        gradient = ctx.createRadialGradient(\n          coords.x1, coords.y1, coords.r1, coords.x2, coords.y2, coords.r2);\n      }\n\n      for (i = 0, len = this.colorStops.length; i < len; i++) {\n        var color = this.colorStops[i].color,\n            opacity = this.colorStops[i].opacity,\n            offset = this.colorStops[i].offset;\n\n        if (typeof opacity !== 'undefined') {\n          color = new fabric.Color(color).setAlpha(opacity).toRgba();\n        }\n        gradient.addColorStop(offset, color);\n      }\n\n      return gradient;\n    }\n  });\n\n  fabric.util.object.extend(fabric.Gradient, {\n\n    /* _FROM_SVG_START_ */\n    /**\n     * Returns {@link fabric.Gradient} instance from an SVG element\n     * @static\n     * @memberOf fabric.Gradient\n     * @param {SVGGradientElement} el SVG gradient element\n     * @param {fabric.Object} instance\n     * @param {String} opacityAttr A fill-opacity or stroke-opacity attribute to multiply to each stop's opacity.\n     * @param {Object} svgOptions an object containing the size of the SVG in order to parse correctly gradients\n     * that uses gradientUnits as 'userSpaceOnUse' and percentages.\n     * @param {Object.number} viewBoxWidth width part of the viewBox attribute on svg\n     * @param {Object.number} viewBoxHeight height part of the viewBox attribute on svg\n     * @param {Object.number} width width part of the svg tag if viewBox is not specified\n     * @param {Object.number} height height part of the svg tag if viewBox is not specified\n     * @return {fabric.Gradient} Gradient instance\n     * @see http://www.w3.org/TR/SVG/pservers.html#LinearGradientElement\n     * @see http://www.w3.org/TR/SVG/pservers.html#RadialGradientElement\n     */\n    fromElement: function(el, instance, opacityAttr, svgOptions) {\n      /**\n       *  @example:\n       *\n       *  <linearGradient id=\"linearGrad1\">\n       *    <stop offset=\"0%\" stop-color=\"white\"/>\n       *    <stop offset=\"100%\" stop-color=\"black\"/>\n       *  </linearGradient>\n       *\n       *  OR\n       *\n       *  <linearGradient id=\"linearGrad2\">\n       *    <stop offset=\"0\" style=\"stop-color:rgb(255,255,255)\"/>\n       *    <stop offset=\"1\" style=\"stop-color:rgb(0,0,0)\"/>\n       *  </linearGradient>\n       *\n       *  OR\n       *\n       *  <radialGradient id=\"radialGrad1\">\n       *    <stop offset=\"0%\" stop-color=\"white\" stop-opacity=\"1\" />\n       *    <stop offset=\"50%\" stop-color=\"black\" stop-opacity=\"0.5\" />\n       *    <stop offset=\"100%\" stop-color=\"white\" stop-opacity=\"1\" />\n       *  </radialGradient>\n       *\n       *  OR\n       *\n       *  <radialGradient id=\"radialGrad2\">\n       *    <stop offset=\"0\" stop-color=\"rgb(255,255,255)\" />\n       *    <stop offset=\"0.5\" stop-color=\"rgb(0,0,0)\" />\n       *    <stop offset=\"1\" stop-color=\"rgb(255,255,255)\" />\n       *  </radialGradient>\n       *\n       */\n\n      var multiplier = parseFloat(opacityAttr) / (/%$/.test(opacityAttr) ? 100 : 1);\n      multiplier = multiplier < 0 ? 0 : multiplier > 1 ? 1 : multiplier;\n      if (isNaN(multiplier)) {\n        multiplier = 1;\n      }\n\n      var colorStopEls = el.getElementsByTagName('stop'),\n          type,\n          gradientUnits = el.getAttribute('gradientUnits') === 'userSpaceOnUse' ?\n            'pixels' : 'percentage',\n          gradientTransform = el.getAttribute('gradientTransform') || '',\n          colorStops = [],\n          coords, i, offsetX = 0, offsetY = 0,\n          transformMatrix;\n      if (el.nodeName === 'linearGradient' || el.nodeName === 'LINEARGRADIENT') {\n        type = 'linear';\n        coords = getLinearCoords(el);\n      }\n      else {\n        type = 'radial';\n        coords = getRadialCoords(el);\n      }\n\n      for (i = colorStopEls.length; i--; ) {\n        colorStops.push(getColorStop(colorStopEls[i], multiplier));\n      }\n\n      transformMatrix = fabric.parseTransformAttribute(gradientTransform);\n\n      __convertPercentUnitsToValues(instance, coords, svgOptions, gradientUnits);\n\n      if (gradientUnits === 'pixels') {\n        offsetX = -instance.left;\n        offsetY = -instance.top;\n      }\n\n      var gradient = new fabric.Gradient({\n        id: el.getAttribute('id'),\n        type: type,\n        coords: coords,\n        colorStops: colorStops,\n        gradientUnits: gradientUnits,\n        gradientTransform: transformMatrix,\n        offsetX: offsetX,\n        offsetY: offsetY,\n      });\n\n      return gradient;\n    }\n    /* _FROM_SVG_END_ */\n  });\n\n  /**\n   * @private\n   */\n  function __convertPercentUnitsToValues(instance, options, svgOptions, gradientUnits) {\n    var propValue, finalValue;\n    Object.keys(options).forEach(function(prop) {\n      propValue = options[prop];\n      if (propValue === 'Infinity') {\n        finalValue = 1;\n      }\n      else if (propValue === '-Infinity') {\n        finalValue = 0;\n      }\n      else {\n        finalValue = parseFloat(options[prop], 10);\n        if (typeof propValue === 'string' && /^(\\d+\\.\\d+)%|(\\d+)%$/.test(propValue)) {\n          finalValue *= 0.01;\n          if (gradientUnits === 'pixels') {\n            // then we need to fix those percentages here in svg parsing\n            if (prop === 'x1' || prop === 'x2' || prop === 'r2') {\n              finalValue *= svgOptions.viewBoxWidth || svgOptions.width;\n            }\n            if (prop === 'y1' || prop === 'y2') {\n              finalValue *= svgOptions.viewBoxHeight || svgOptions.height;\n            }\n          }\n        }\n      }\n      options[prop] = finalValue;\n    });\n  }\n})();\n\n\n(function() {\n\n  'use strict';\n\n  var toFixed = fabric.util.toFixed;\n\n  /**\n   * Pattern class\n   * @class fabric.Pattern\n   * @see {@link http://fabricjs.com/patterns|Pattern demo}\n   * @see {@link http://fabricjs.com/dynamic-patterns|DynamicPattern demo}\n   * @see {@link fabric.Pattern#initialize} for constructor definition\n   */\n\n\n  fabric.Pattern = fabric.util.createClass(/** @lends fabric.Pattern.prototype */ {\n\n    /**\n     * Repeat property of a pattern (one of repeat, repeat-x, repeat-y or no-repeat)\n     * @type String\n     * @default\n     */\n    repeat: 'repeat',\n\n    /**\n     * Pattern horizontal offset from object's left/top corner\n     * @type Number\n     * @default\n     */\n    offsetX: 0,\n\n    /**\n     * Pattern vertical offset from object's left/top corner\n     * @type Number\n     * @default\n     */\n    offsetY: 0,\n\n    /**\n     * crossOrigin value (one of \"\", \"anonymous\", \"use-credentials\")\n     * @see https://developer.mozilla.org/en-US/docs/HTML/CORS_settings_attributes\n     * @type String\n     * @default\n     */\n    crossOrigin: '',\n\n    /**\n     * transform matrix to change the pattern, imported from svgs.\n     * @type Array\n     * @default\n     */\n    patternTransform: null,\n\n    /**\n     * Constructor\n     * @param {Object} [options] Options object\n     * @param {Function} [callback] function to invoke after callback init.\n     * @return {fabric.Pattern} thisArg\n     */\n    initialize: function(options, callback) {\n      options || (options = { });\n\n      this.id = fabric.Object.__uid++;\n      this.setOptions(options);\n      if (!options.source || (options.source && typeof options.source !== 'string')) {\n        callback && callback(this);\n        return;\n      }\n      else {\n        // img src string\n        var _this = this;\n        this.source = fabric.util.createImage();\n        fabric.util.loadImage(options.source, function(img, isError) {\n          _this.source = img;\n          callback && callback(_this, isError);\n        }, null, this.crossOrigin);\n      }\n    },\n\n    /**\n     * Returns object representation of a pattern\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} Object representation of a pattern instance\n     */\n    toObject: function(propertiesToInclude) {\n      var NUM_FRACTION_DIGITS = fabric.Object.NUM_FRACTION_DIGITS,\n          source, object;\n\n      // <img> element\n      if (typeof this.source.src === 'string') {\n        source = this.source.src;\n      }\n      // <canvas> element\n      else if (typeof this.source === 'object' && this.source.toDataURL) {\n        source = this.source.toDataURL();\n      }\n\n      object = {\n        type: 'pattern',\n        source: source,\n        repeat: this.repeat,\n        crossOrigin: this.crossOrigin,\n        offsetX: toFixed(this.offsetX, NUM_FRACTION_DIGITS),\n        offsetY: toFixed(this.offsetY, NUM_FRACTION_DIGITS),\n        patternTransform: this.patternTransform ? this.patternTransform.concat() : null\n      };\n      fabric.util.populateWithProperties(this, object, propertiesToInclude);\n\n      return object;\n    },\n\n    /* _TO_SVG_START_ */\n    /**\n     * Returns SVG representation of a pattern\n     * @param {fabric.Object} object\n     * @return {String} SVG representation of a pattern\n     */\n    toSVG: function(object) {\n      var patternSource = typeof this.source === 'function' ? this.source() : this.source,\n          patternWidth = patternSource.width / object.width,\n          patternHeight = patternSource.height / object.height,\n          patternOffsetX = this.offsetX / object.width,\n          patternOffsetY = this.offsetY / object.height,\n          patternImgSrc = '';\n      if (this.repeat === 'repeat-x' || this.repeat === 'no-repeat') {\n        patternHeight = 1;\n        if (patternOffsetY) {\n          patternHeight += Math.abs(patternOffsetY);\n        }\n      }\n      if (this.repeat === 'repeat-y' || this.repeat === 'no-repeat') {\n        patternWidth = 1;\n        if (patternOffsetX) {\n          patternWidth += Math.abs(patternOffsetX);\n        }\n\n      }\n      if (patternSource.src) {\n        patternImgSrc = patternSource.src;\n      }\n      else if (patternSource.toDataURL) {\n        patternImgSrc = patternSource.toDataURL();\n      }\n\n      return '<pattern id=\"SVGID_' + this.id +\n                    '\" x=\"' + patternOffsetX +\n                    '\" y=\"' + patternOffsetY +\n                    '\" width=\"' + patternWidth +\n                    '\" height=\"' + patternHeight + '\">\\n' +\n               '<image x=\"0\" y=\"0\"' +\n                      ' width=\"' + patternSource.width +\n                      '\" height=\"' + patternSource.height +\n                      '\" xlink:href=\"' + patternImgSrc +\n               '\"></image>\\n' +\n             '</pattern>\\n';\n    },\n    /* _TO_SVG_END_ */\n\n    setOptions: function(options) {\n      for (var prop in options) {\n        this[prop] = options[prop];\n      }\n    },\n\n    /**\n     * Returns an instance of CanvasPattern\n     * @param {CanvasRenderingContext2D} ctx Context to create pattern\n     * @return {CanvasPattern}\n     */\n    toLive: function(ctx) {\n      var source = this.source;\n      // if the image failed to load, return, and allow rest to continue loading\n      if (!source) {\n        return '';\n      }\n\n      // if an image\n      if (typeof source.src !== 'undefined') {\n        if (!source.complete) {\n          return '';\n        }\n        if (source.naturalWidth === 0 || source.naturalHeight === 0) {\n          return '';\n        }\n      }\n      return ctx.createPattern(source, this.repeat);\n    }\n  });\n})();\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { }),\n      toFixed = fabric.util.toFixed;\n\n  if (fabric.Shadow) {\n    fabric.warn('fabric.Shadow is already defined.');\n    return;\n  }\n\n  /**\n   * Shadow class\n   * @class fabric.Shadow\n   * @see {@link http://fabricjs.com/shadows|Shadow demo}\n   * @see {@link fabric.Shadow#initialize} for constructor definition\n   */\n  fabric.Shadow = fabric.util.createClass(/** @lends fabric.Shadow.prototype */ {\n\n    /**\n     * Shadow color\n     * @type String\n     * @default\n     */\n    color: 'rgb(0,0,0)',\n\n    /**\n     * Shadow blur\n     * @type Number\n     */\n    blur: 0,\n\n    /**\n     * Shadow horizontal offset\n     * @type Number\n     * @default\n     */\n    offsetX: 0,\n\n    /**\n     * Shadow vertical offset\n     * @type Number\n     * @default\n     */\n    offsetY: 0,\n\n    /**\n     * Whether the shadow should affect stroke operations\n     * @type Boolean\n     * @default\n     */\n    affectStroke: false,\n\n    /**\n     * Indicates whether toObject should include default values\n     * @type Boolean\n     * @default\n     */\n    includeDefaultValues: true,\n\n    /**\n     * When `false`, the shadow will scale with the object.\n     * When `true`, the shadow's offsetX, offsetY, and blur will not be affected by the object's scale.\n     * default to false\n     * @type Boolean\n     * @default\n     */\n    nonScaling: false,\n\n    /**\n     * Constructor\n     * @param {Object|String} [options] Options object with any of color, blur, offsetX, offsetY properties or string (e.g. \"rgba(0,0,0,0.2) 2px 2px 10px\")\n     * @return {fabric.Shadow} thisArg\n     */\n    initialize: function(options) {\n\n      if (typeof options === 'string') {\n        options = this._parseShadow(options);\n      }\n\n      for (var prop in options) {\n        this[prop] = options[prop];\n      }\n\n      this.id = fabric.Object.__uid++;\n    },\n\n    /**\n     * @private\n     * @param {String} shadow Shadow value to parse\n     * @return {Object} Shadow object with color, offsetX, offsetY and blur\n     */\n    _parseShadow: function(shadow) {\n      var shadowStr = shadow.trim(),\n          offsetsAndBlur = fabric.Shadow.reOffsetsAndBlur.exec(shadowStr) || [],\n          color = shadowStr.replace(fabric.Shadow.reOffsetsAndBlur, '') || 'rgb(0,0,0)';\n\n      return {\n        color: color.trim(),\n        offsetX: parseFloat(offsetsAndBlur[1], 10) || 0,\n        offsetY: parseFloat(offsetsAndBlur[2], 10) || 0,\n        blur: parseFloat(offsetsAndBlur[3], 10) || 0\n      };\n    },\n\n    /**\n     * Returns a string representation of an instance\n     * @see http://www.w3.org/TR/css-text-decor-3/#text-shadow\n     * @return {String} Returns CSS3 text-shadow declaration\n     */\n    toString: function() {\n      return [this.offsetX, this.offsetY, this.blur, this.color].join('px ');\n    },\n\n    /* _TO_SVG_START_ */\n    /**\n     * Returns SVG representation of a shadow\n     * @param {fabric.Object} object\n     * @return {String} SVG representation of a shadow\n     */\n    toSVG: function(object) {\n      var fBoxX = 40, fBoxY = 40, NUM_FRACTION_DIGITS = fabric.Object.NUM_FRACTION_DIGITS,\n          offset = fabric.util.rotateVector(\n            { x: this.offsetX, y: this.offsetY },\n            fabric.util.degreesToRadians(-object.angle)),\n          BLUR_BOX = 20, color = new fabric.Color(this.color);\n\n      if (object.width && object.height) {\n        //http://www.w3.org/TR/SVG/filters.html#FilterEffectsRegion\n        // we add some extra space to filter box to contain the blur ( 20 )\n        fBoxX = toFixed((Math.abs(offset.x) + this.blur) / object.width, NUM_FRACTION_DIGITS) * 100 + BLUR_BOX;\n        fBoxY = toFixed((Math.abs(offset.y) + this.blur) / object.height, NUM_FRACTION_DIGITS) * 100 + BLUR_BOX;\n      }\n      if (object.flipX) {\n        offset.x *= -1;\n      }\n      if (object.flipY) {\n        offset.y *= -1;\n      }\n\n      return (\n        '<filter id=\"SVGID_' + this.id + '\" y=\"-' + fBoxY + '%\" height=\"' + (100 + 2 * fBoxY) + '%\" ' +\n          'x=\"-' + fBoxX + '%\" width=\"' + (100 + 2 * fBoxX) + '%\" ' + '>\\n' +\n          '\\t<feGaussianBlur in=\"SourceAlpha\" stdDeviation=\"' +\n            toFixed(this.blur ? this.blur / 2 : 0, NUM_FRACTION_DIGITS) + '\"></feGaussianBlur>\\n' +\n          '\\t<feOffset dx=\"' + toFixed(offset.x, NUM_FRACTION_DIGITS) +\n          '\" dy=\"' + toFixed(offset.y, NUM_FRACTION_DIGITS) + '\" result=\"oBlur\" ></feOffset>\\n' +\n          '\\t<feFlood flood-color=\"' + color.toRgb() + '\" flood-opacity=\"' + color.getAlpha() + '\"/>\\n' +\n          '\\t<feComposite in2=\"oBlur\" operator=\"in\" />\\n' +\n          '\\t<feMerge>\\n' +\n            '\\t\\t<feMergeNode></feMergeNode>\\n' +\n            '\\t\\t<feMergeNode in=\"SourceGraphic\"></feMergeNode>\\n' +\n          '\\t</feMerge>\\n' +\n        '</filter>\\n');\n    },\n    /* _TO_SVG_END_ */\n\n    /**\n     * Returns object representation of a shadow\n     * @return {Object} Object representation of a shadow instance\n     */\n    toObject: function() {\n      if (this.includeDefaultValues) {\n        return {\n          color: this.color,\n          blur: this.blur,\n          offsetX: this.offsetX,\n          offsetY: this.offsetY,\n          affectStroke: this.affectStroke,\n          nonScaling: this.nonScaling\n        };\n      }\n      var obj = { }, proto = fabric.Shadow.prototype;\n\n      ['color', 'blur', 'offsetX', 'offsetY', 'affectStroke', 'nonScaling'].forEach(function(prop) {\n        if (this[prop] !== proto[prop]) {\n          obj[prop] = this[prop];\n        }\n      }, this);\n\n      return obj;\n    }\n  });\n\n  /**\n   * Regex matching shadow offsetX, offsetY and blur (ex: \"2px 2px 10px rgba(0,0,0,0.2)\", \"rgb(0,255,0) 2px 2px\")\n   * @static\n   * @field\n   * @memberOf fabric.Shadow\n   */\n  // eslint-disable-next-line max-len\n  fabric.Shadow.reOffsetsAndBlur = /(?:\\s|^)(-?\\d+(?:\\.\\d*)?(?:px)?(?:\\s?|$))?(-?\\d+(?:\\.\\d*)?(?:px)?(?:\\s?|$))?(\\d+(?:\\.\\d*)?(?:px)?)?(?:\\s?|$)(?:$|\\s)/;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function () {\n\n  'use strict';\n\n  if (fabric.StaticCanvas) {\n    fabric.warn('fabric.StaticCanvas is already defined.');\n    return;\n  }\n\n  // aliases for faster resolution\n  var extend = fabric.util.object.extend,\n      getElementOffset = fabric.util.getElementOffset,\n      removeFromArray = fabric.util.removeFromArray,\n      toFixed = fabric.util.toFixed,\n      transformPoint = fabric.util.transformPoint,\n      invertTransform = fabric.util.invertTransform,\n      getNodeCanvas = fabric.util.getNodeCanvas,\n      createCanvasElement = fabric.util.createCanvasElement,\n\n      CANVAS_INIT_ERROR = new Error('Could not initialize `canvas` element');\n\n  /**\n   * Static canvas class\n   * @class fabric.StaticCanvas\n   * @mixes fabric.Collection\n   * @mixes fabric.Observable\n   * @see {@link http://fabricjs.com/static_canvas|StaticCanvas demo}\n   * @see {@link fabric.StaticCanvas#initialize} for constructor definition\n   * @fires before:render\n   * @fires after:render\n   * @fires canvas:cleared\n   * @fires object:added\n   * @fires object:removed\n   */\n  fabric.StaticCanvas = fabric.util.createClass(fabric.CommonMethods, /** @lends fabric.StaticCanvas.prototype */ {\n\n    /**\n     * Constructor\n     * @param {HTMLElement | String} el &lt;canvas> element to initialize instance on\n     * @param {Object} [options] Options object\n     * @return {Object} thisArg\n     */\n    initialize: function(el, options) {\n      options || (options = { });\n      this.renderAndResetBound = this.renderAndReset.bind(this);\n      this.requestRenderAllBound = this.requestRenderAll.bind(this);\n      this._initStatic(el, options);\n    },\n\n    /**\n     * Background color of canvas instance.\n     * Should be set via {@link fabric.StaticCanvas#setBackgroundColor}.\n     * @type {(String|fabric.Pattern)}\n     * @default\n     */\n    backgroundColor: '',\n\n    /**\n     * Background image of canvas instance.\n     * since 2.4.0 image caching is active, please when putting an image as background, add to the\n     * canvas property a reference to the canvas it is on. Otherwise the image cannot detect the zoom\n     * vale. As an alternative you can disable image objectCaching\n     * @type fabric.Image\n     * @default\n     */\n    backgroundImage: null,\n\n    /**\n     * Overlay color of canvas instance.\n     * Should be set via {@link fabric.StaticCanvas#setOverlayColor}\n     * @since 1.3.9\n     * @type {(String|fabric.Pattern)}\n     * @default\n     */\n    overlayColor: '',\n\n    /**\n     * Overlay image of canvas instance.\n     * since 2.4.0 image caching is active, please when putting an image as overlay, add to the\n     * canvas property a reference to the canvas it is on. Otherwise the image cannot detect the zoom\n     * vale. As an alternative you can disable image objectCaching\n     * @type fabric.Image\n     * @default\n     */\n    overlayImage: null,\n\n    /**\n     * Indicates whether toObject/toDatalessObject should include default values\n     * if set to false, takes precedence over the object value.\n     * @type Boolean\n     * @default\n     */\n    includeDefaultValues: true,\n\n    /**\n     * Indicates whether objects' state should be saved\n     * @type Boolean\n     * @default\n     */\n    stateful: false,\n\n    /**\n     * Indicates whether {@link fabric.Collection.add}, {@link fabric.Collection.insertAt} and {@link fabric.Collection.remove},\n     * {@link fabric.StaticCanvas.moveTo}, {@link fabric.StaticCanvas.clear} and many more, should also re-render canvas.\n     * Disabling this option will not give a performance boost when adding/removing a lot of objects to/from canvas at once\n     * since the renders are quequed and executed one per frame.\n     * Disabling is suggested anyway and managing the renders of the app manually is not a big effort ( canvas.requestRenderAll() )\n     * Left default to true to do not break documentation and old app, fiddles.\n     * @type Boolean\n     * @default\n     */\n    renderOnAddRemove: true,\n\n    /**\n     * Indicates whether object controls (borders/controls) are rendered above overlay image\n     * @type Boolean\n     * @default\n     */\n    controlsAboveOverlay: false,\n\n    /**\n     * Indicates whether the browser can be scrolled when using a touchscreen and dragging on the canvas\n     * @type Boolean\n     * @default\n     */\n    allowTouchScrolling: false,\n\n    /**\n     * Indicates whether this canvas will use image smoothing, this is on by default in browsers\n     * @type Boolean\n     * @default\n     */\n    imageSmoothingEnabled: true,\n\n    /**\n     * The transformation (in the format of Canvas transform) which focuses the viewport\n     * @type Array\n     * @default\n     */\n    viewportTransform: fabric.iMatrix.concat(),\n\n    /**\n     * if set to false background image is not affected by viewport transform\n     * @since 1.6.3\n     * @type Boolean\n     * @default\n     */\n    backgroundVpt: true,\n\n    /**\n     * if set to false overlya image is not affected by viewport transform\n     * @since 1.6.3\n     * @type Boolean\n     * @default\n     */\n    overlayVpt: true,\n\n    /**\n     * When true, canvas is scaled by devicePixelRatio for better rendering on retina screens\n     * @type Boolean\n     * @default\n     */\n    enableRetinaScaling: true,\n\n    /**\n     * Describe canvas element extension over design\n     * properties are tl,tr,bl,br.\n     * if canvas is not zoomed/panned those points are the four corner of canvas\n     * if canvas is viewportTransformed you those points indicate the extension\n     * of canvas element in plain untrasformed coordinates\n     * The coordinates get updated with @method calcViewportBoundaries.\n     * @memberOf fabric.StaticCanvas.prototype\n     */\n    vptCoords: { },\n\n    /**\n     * Based on vptCoords and object.aCoords, skip rendering of objects that\n     * are not included in current viewport.\n     * May greatly help in applications with crowded canvas and use of zoom/pan\n     * If One of the corner of the bounding box of the object is on the canvas\n     * the objects get rendered.\n     * @memberOf fabric.StaticCanvas.prototype\n     * @type Boolean\n     * @default\n     */\n    skipOffscreen: true,\n\n    /**\n     * a fabricObject that, without stroke define a clipping area with their shape. filled in black\n     * the clipPath object gets used when the canvas has rendered, and the context is placed in the\n     * top left corner of the canvas.\n     * clipPath will clip away controls, if you do not want this to happen use controlsAboveOverlay = true\n     * @type fabric.Object\n     */\n    clipPath: undefined,\n\n    /**\n     * @private\n     * @param {HTMLElement | String} el &lt;canvas> element to initialize instance on\n     * @param {Object} [options] Options object\n     */\n    _initStatic: function(el, options) {\n      var cb = this.requestRenderAllBound;\n      this._objects = [];\n      this._createLowerCanvas(el);\n      this._initOptions(options);\n      // only initialize retina scaling once\n      if (!this.interactive) {\n        this._initRetinaScaling();\n      }\n\n      if (options.overlayImage) {\n        this.setOverlayImage(options.overlayImage, cb);\n      }\n      if (options.backgroundImage) {\n        this.setBackgroundImage(options.backgroundImage, cb);\n      }\n      if (options.backgroundColor) {\n        this.setBackgroundColor(options.backgroundColor, cb);\n      }\n      if (options.overlayColor) {\n        this.setOverlayColor(options.overlayColor, cb);\n      }\n      this.calcOffset();\n    },\n\n    /**\n     * @private\n     */\n    _isRetinaScaling: function() {\n      return (fabric.devicePixelRatio !== 1 && this.enableRetinaScaling);\n    },\n\n    /**\n     * @private\n     * @return {Number} retinaScaling if applied, otherwise 1;\n     */\n    getRetinaScaling: function() {\n      return this._isRetinaScaling() ? fabric.devicePixelRatio : 1;\n    },\n\n    /**\n     * @private\n     */\n    _initRetinaScaling: function() {\n      if (!this._isRetinaScaling()) {\n        return;\n      }\n      var scaleRatio = fabric.devicePixelRatio;\n      this.__initRetinaScaling(scaleRatio, this.lowerCanvasEl, this.contextContainer);\n      if (this.upperCanvasEl) {\n        this.__initRetinaScaling(scaleRatio, this.upperCanvasEl, this.contextTop);\n      }\n    },\n\n    __initRetinaScaling: function(scaleRatio, canvas, context) {\n      canvas.setAttribute('width', this.width * scaleRatio);\n      canvas.setAttribute('height', this.height * scaleRatio);\n      context.scale(scaleRatio, scaleRatio);\n    },\n\n\n    /**\n     * Calculates canvas element offset relative to the document\n     * This method is also attached as \"resize\" event handler of window\n     * @return {fabric.Canvas} instance\n     * @chainable\n     */\n    calcOffset: function () {\n      this._offset = getElementOffset(this.lowerCanvasEl);\n      return this;\n    },\n\n    /**\n     * Sets {@link fabric.StaticCanvas#overlayImage|overlay image} for this canvas\n     * @param {(fabric.Image|String)} image fabric.Image instance or URL of an image to set overlay to\n     * @param {Function} callback callback to invoke when image is loaded and set as an overlay\n     * @param {Object} [options] Optional options to set for the {@link fabric.Image|overlay image}.\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     * @see {@link http://jsfiddle.net/fabricjs/MnzHT/|jsFiddle demo}\n     * @example <caption>Normal overlayImage with left/top = 0</caption>\n     * canvas.setOverlayImage('http://fabricjs.com/assets/jail_cell_bars.png', canvas.renderAll.bind(canvas), {\n     *   // Needed to position overlayImage at 0/0\n     *   originX: 'left',\n     *   originY: 'top'\n     * });\n     * @example <caption>overlayImage with different properties</caption>\n     * canvas.setOverlayImage('http://fabricjs.com/assets/jail_cell_bars.png', canvas.renderAll.bind(canvas), {\n     *   opacity: 0.5,\n     *   angle: 45,\n     *   left: 400,\n     *   top: 400,\n     *   originX: 'left',\n     *   originY: 'top'\n     * });\n     * @example <caption>Stretched overlayImage #1 - width/height correspond to canvas width/height</caption>\n     * fabric.Image.fromURL('http://fabricjs.com/assets/jail_cell_bars.png', function(img, isError) {\n     *    img.set({width: canvas.width, height: canvas.height, originX: 'left', originY: 'top'});\n     *    canvas.setOverlayImage(img, canvas.renderAll.bind(canvas));\n     * });\n     * @example <caption>Stretched overlayImage #2 - width/height correspond to canvas width/height</caption>\n     * canvas.setOverlayImage('http://fabricjs.com/assets/jail_cell_bars.png', canvas.renderAll.bind(canvas), {\n     *   width: canvas.width,\n     *   height: canvas.height,\n     *   // Needed to position overlayImage at 0/0\n     *   originX: 'left',\n     *   originY: 'top'\n     * });\n     * @example <caption>overlayImage loaded from cross-origin</caption>\n     * canvas.setOverlayImage('http://fabricjs.com/assets/jail_cell_bars.png', canvas.renderAll.bind(canvas), {\n     *   opacity: 0.5,\n     *   angle: 45,\n     *   left: 400,\n     *   top: 400,\n     *   originX: 'left',\n     *   originY: 'top',\n     *   crossOrigin: 'anonymous'\n     * });\n     */\n    setOverlayImage: function (image, callback, options) {\n      return this.__setBgOverlayImage('overlayImage', image, callback, options);\n    },\n\n    /**\n     * Sets {@link fabric.StaticCanvas#backgroundImage|background image} for this canvas\n     * @param {(fabric.Image|String)} image fabric.Image instance or URL of an image to set background to\n     * @param {Function} callback Callback to invoke when image is loaded and set as background\n     * @param {Object} [options] Optional options to set for the {@link fabric.Image|background image}.\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     * @see {@link http://jsfiddle.net/djnr8o7a/28/|jsFiddle demo}\n     * @example <caption>Normal backgroundImage with left/top = 0</caption>\n     * canvas.setBackgroundImage('http://fabricjs.com/assets/honey_im_subtle.png', canvas.renderAll.bind(canvas), {\n     *   // Needed to position backgroundImage at 0/0\n     *   originX: 'left',\n     *   originY: 'top'\n     * });\n     * @example <caption>backgroundImage with different properties</caption>\n     * canvas.setBackgroundImage('http://fabricjs.com/assets/honey_im_subtle.png', canvas.renderAll.bind(canvas), {\n     *   opacity: 0.5,\n     *   angle: 45,\n     *   left: 400,\n     *   top: 400,\n     *   originX: 'left',\n     *   originY: 'top'\n     * });\n     * @example <caption>Stretched backgroundImage #1 - width/height correspond to canvas width/height</caption>\n     * fabric.Image.fromURL('http://fabricjs.com/assets/honey_im_subtle.png', function(img, isError) {\n     *    img.set({width: canvas.width, height: canvas.height, originX: 'left', originY: 'top'});\n     *    canvas.setBackgroundImage(img, canvas.renderAll.bind(canvas));\n     * });\n     * @example <caption>Stretched backgroundImage #2 - width/height correspond to canvas width/height</caption>\n     * canvas.setBackgroundImage('http://fabricjs.com/assets/honey_im_subtle.png', canvas.renderAll.bind(canvas), {\n     *   width: canvas.width,\n     *   height: canvas.height,\n     *   // Needed to position backgroundImage at 0/0\n     *   originX: 'left',\n     *   originY: 'top'\n     * });\n     * @example <caption>backgroundImage loaded from cross-origin</caption>\n     * canvas.setBackgroundImage('http://fabricjs.com/assets/honey_im_subtle.png', canvas.renderAll.bind(canvas), {\n     *   opacity: 0.5,\n     *   angle: 45,\n     *   left: 400,\n     *   top: 400,\n     *   originX: 'left',\n     *   originY: 'top',\n     *   crossOrigin: 'anonymous'\n     * });\n     */\n    // TODO: fix stretched examples\n    setBackgroundImage: function (image, callback, options) {\n      return this.__setBgOverlayImage('backgroundImage', image, callback, options);\n    },\n\n    /**\n     * Sets {@link fabric.StaticCanvas#overlayColor|foreground color} for this canvas\n     * @param {(String|fabric.Pattern)} overlayColor Color or pattern to set foreground color to\n     * @param {Function} callback Callback to invoke when foreground color is set\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     * @see {@link http://jsfiddle.net/fabricjs/pB55h/|jsFiddle demo}\n     * @example <caption>Normal overlayColor - color value</caption>\n     * canvas.setOverlayColor('rgba(255, 73, 64, 0.6)', canvas.renderAll.bind(canvas));\n     * @example <caption>fabric.Pattern used as overlayColor</caption>\n     * canvas.setOverlayColor({\n     *   source: 'http://fabricjs.com/assets/escheresque_ste.png'\n     * }, canvas.renderAll.bind(canvas));\n     * @example <caption>fabric.Pattern used as overlayColor with repeat and offset</caption>\n     * canvas.setOverlayColor({\n     *   source: 'http://fabricjs.com/assets/escheresque_ste.png',\n     *   repeat: 'repeat',\n     *   offsetX: 200,\n     *   offsetY: 100\n     * }, canvas.renderAll.bind(canvas));\n     */\n    setOverlayColor: function(overlayColor, callback) {\n      return this.__setBgOverlayColor('overlayColor', overlayColor, callback);\n    },\n\n    /**\n     * Sets {@link fabric.StaticCanvas#backgroundColor|background color} for this canvas\n     * @param {(String|fabric.Pattern)} backgroundColor Color or pattern to set background color to\n     * @param {Function} callback Callback to invoke when background color is set\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     * @see {@link http://jsfiddle.net/fabricjs/hXzvk/|jsFiddle demo}\n     * @example <caption>Normal backgroundColor - color value</caption>\n     * canvas.setBackgroundColor('rgba(255, 73, 64, 0.6)', canvas.renderAll.bind(canvas));\n     * @example <caption>fabric.Pattern used as backgroundColor</caption>\n     * canvas.setBackgroundColor({\n     *   source: 'http://fabricjs.com/assets/escheresque_ste.png'\n     * }, canvas.renderAll.bind(canvas));\n     * @example <caption>fabric.Pattern used as backgroundColor with repeat and offset</caption>\n     * canvas.setBackgroundColor({\n     *   source: 'http://fabricjs.com/assets/escheresque_ste.png',\n     *   repeat: 'repeat',\n     *   offsetX: 200,\n     *   offsetY: 100\n     * }, canvas.renderAll.bind(canvas));\n     */\n    setBackgroundColor: function(backgroundColor, callback) {\n      return this.__setBgOverlayColor('backgroundColor', backgroundColor, callback);\n    },\n\n    /**\n     * @private\n     * @param {String} property Property to set ({@link fabric.StaticCanvas#backgroundImage|backgroundImage}\n     * or {@link fabric.StaticCanvas#overlayImage|overlayImage})\n     * @param {(fabric.Image|String|null)} image fabric.Image instance, URL of an image or null to set background or overlay to\n     * @param {Function} callback Callback to invoke when image is loaded and set as background or overlay. The first argument is the created image, the second argument is a flag indicating whether an error occurred or not.\n     * @param {Object} [options] Optional options to set for the {@link fabric.Image|image}.\n     */\n    __setBgOverlayImage: function(property, image, callback, options) {\n      if (typeof image === 'string') {\n        fabric.util.loadImage(image, function(img, isError) {\n          if (img) {\n            var instance = new fabric.Image(img, options);\n            this[property] = instance;\n            instance.canvas = this;\n          }\n          callback && callback(img, isError);\n        }, this, options && options.crossOrigin);\n      }\n      else {\n        options && image.setOptions(options);\n        this[property] = image;\n        image && (image.canvas = this);\n        callback && callback(image, false);\n      }\n\n      return this;\n    },\n\n    /**\n     * @private\n     * @param {String} property Property to set ({@link fabric.StaticCanvas#backgroundColor|backgroundColor}\n     * or {@link fabric.StaticCanvas#overlayColor|overlayColor})\n     * @param {(Object|String|null)} color Object with pattern information, color value or null\n     * @param {Function} [callback] Callback is invoked when color is set\n     */\n    __setBgOverlayColor: function(property, color, callback) {\n      this[property] = color;\n      this._initGradient(color, property);\n      this._initPattern(color, property, callback);\n      return this;\n    },\n\n    /**\n     * @private\n     */\n    _createCanvasElement: function() {\n      var element = createCanvasElement();\n      if (!element) {\n        throw CANVAS_INIT_ERROR;\n      }\n      if (!element.style) {\n        element.style = { };\n      }\n      if (typeof element.getContext === 'undefined') {\n        throw CANVAS_INIT_ERROR;\n      }\n      return element;\n    },\n\n    /**\n     * @private\n     * @param {Object} [options] Options object\n     */\n    _initOptions: function (options) {\n      var lowerCanvasEl = this.lowerCanvasEl;\n      this._setOptions(options);\n\n      this.width = this.width || parseInt(lowerCanvasEl.width, 10) || 0;\n      this.height = this.height || parseInt(lowerCanvasEl.height, 10) || 0;\n\n      if (!this.lowerCanvasEl.style) {\n        return;\n      }\n\n      lowerCanvasEl.width = this.width;\n      lowerCanvasEl.height = this.height;\n\n      lowerCanvasEl.style.width = this.width + 'px';\n      lowerCanvasEl.style.height = this.height + 'px';\n\n      this.viewportTransform = this.viewportTransform.slice();\n    },\n\n    /**\n     * Creates a bottom canvas\n     * @private\n     * @param {HTMLElement} [canvasEl]\n     */\n    _createLowerCanvas: function (canvasEl) {\n      // canvasEl === 'HTMLCanvasElement' does not work on jsdom/node\n      if (canvasEl && canvasEl.getContext) {\n        this.lowerCanvasEl = canvasEl;\n      }\n      else {\n        this.lowerCanvasEl = fabric.util.getById(canvasEl) || this._createCanvasElement();\n      }\n\n      fabric.util.addClass(this.lowerCanvasEl, 'lower-canvas');\n\n      if (this.interactive) {\n        this._applyCanvasStyle(this.lowerCanvasEl);\n      }\n\n      this.contextContainer = this.lowerCanvasEl.getContext('2d');\n    },\n\n    /**\n     * Returns canvas width (in px)\n     * @return {Number}\n     */\n    getWidth: function () {\n      return this.width;\n    },\n\n    /**\n     * Returns canvas height (in px)\n     * @return {Number}\n     */\n    getHeight: function () {\n      return this.height;\n    },\n\n    /**\n     * Sets width of this canvas instance\n     * @param {Number|String} value                         Value to set width to\n     * @param {Object}        [options]                     Options object\n     * @param {Boolean}       [options.backstoreOnly=false] Set the given dimensions only as canvas backstore dimensions\n     * @param {Boolean}       [options.cssOnly=false]       Set the given dimensions only as css dimensions\n     * @return {fabric.Canvas} instance\n     * @chainable true\n     */\n    setWidth: function (value, options) {\n      return this.setDimensions({ width: value }, options);\n    },\n\n    /**\n     * Sets height of this canvas instance\n     * @param {Number|String} value                         Value to set height to\n     * @param {Object}        [options]                     Options object\n     * @param {Boolean}       [options.backstoreOnly=false] Set the given dimensions only as canvas backstore dimensions\n     * @param {Boolean}       [options.cssOnly=false]       Set the given dimensions only as css dimensions\n     * @return {fabric.Canvas} instance\n     * @chainable true\n     */\n    setHeight: function (value, options) {\n      return this.setDimensions({ height: value }, options);\n    },\n\n    /**\n     * Sets dimensions (width, height) of this canvas instance. when options.cssOnly flag active you should also supply the unit of measure (px/%/em)\n     * @param {Object}        dimensions                    Object with width/height properties\n     * @param {Number|String} [dimensions.width]            Width of canvas element\n     * @param {Number|String} [dimensions.height]           Height of canvas element\n     * @param {Object}        [options]                     Options object\n     * @param {Boolean}       [options.backstoreOnly=false] Set the given dimensions only as canvas backstore dimensions\n     * @param {Boolean}       [options.cssOnly=false]       Set the given dimensions only as css dimensions\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    setDimensions: function (dimensions, options) {\n      var cssValue;\n\n      options = options || {};\n\n      for (var prop in dimensions) {\n        cssValue = dimensions[prop];\n\n        if (!options.cssOnly) {\n          this._setBackstoreDimension(prop, dimensions[prop]);\n          cssValue += 'px';\n          this.hasLostContext = true;\n        }\n\n        if (!options.backstoreOnly) {\n          this._setCssDimension(prop, cssValue);\n        }\n      }\n      if (this._isCurrentlyDrawing) {\n        this.freeDrawingBrush && this.freeDrawingBrush._setBrushStyles();\n      }\n      this._initRetinaScaling();\n      this.calcOffset();\n\n      if (!options.cssOnly) {\n        this.requestRenderAll();\n      }\n\n      return this;\n    },\n\n    /**\n     * Helper for setting width/height\n     * @private\n     * @param {String} prop property (width|height)\n     * @param {Number} value value to set property to\n     * @return {fabric.Canvas} instance\n     * @chainable true\n     */\n    _setBackstoreDimension: function (prop, value) {\n      this.lowerCanvasEl[prop] = value;\n\n      if (this.upperCanvasEl) {\n        this.upperCanvasEl[prop] = value;\n      }\n\n      if (this.cacheCanvasEl) {\n        this.cacheCanvasEl[prop] = value;\n      }\n\n      this[prop] = value;\n\n      return this;\n    },\n\n    /**\n     * Helper for setting css width/height\n     * @private\n     * @param {String} prop property (width|height)\n     * @param {String} value value to set property to\n     * @return {fabric.Canvas} instance\n     * @chainable true\n     */\n    _setCssDimension: function (prop, value) {\n      this.lowerCanvasEl.style[prop] = value;\n\n      if (this.upperCanvasEl) {\n        this.upperCanvasEl.style[prop] = value;\n      }\n\n      if (this.wrapperEl) {\n        this.wrapperEl.style[prop] = value;\n      }\n\n      return this;\n    },\n\n    /**\n     * Returns canvas zoom level\n     * @return {Number}\n     */\n    getZoom: function () {\n      return this.viewportTransform[0];\n    },\n\n    /**\n     * Sets viewport transform of this canvas instance\n     * @param {Array} vpt the transform in the form of context.transform\n     * @return {fabric.Canvas} instance\n     * @chainable true\n     */\n    setViewportTransform: function (vpt) {\n      var activeObject = this._activeObject,\n          backgroundObject = this.backgroundImage,\n          overlayObject = this.overlayImage,\n          object, i, len;\n      this.viewportTransform = vpt;\n      for (i = 0, len = this._objects.length; i < len; i++) {\n        object = this._objects[i];\n        object.group || object.setCoords(true);\n      }\n      if (activeObject) {\n        activeObject.setCoords();\n      }\n      if (backgroundObject) {\n        backgroundObject.setCoords(true);\n      }\n      if (overlayObject) {\n        overlayObject.setCoords(true);\n      }\n      this.calcViewportBoundaries();\n      this.renderOnAddRemove && this.requestRenderAll();\n      return this;\n    },\n\n    /**\n     * Sets zoom level of this canvas instance, the zoom centered around point\n     * meaning that following zoom to point with the same point will have the visual\n     * effect of the zoom originating from that point. The point won't move.\n     * It has nothing to do with canvas center or visual center of the viewport.\n     * @param {fabric.Point} point to zoom with respect to\n     * @param {Number} value to set zoom to, less than 1 zooms out\n     * @return {fabric.Canvas} instance\n     * @chainable true\n     */\n    zoomToPoint: function (point, value) {\n      // TODO: just change the scale, preserve other transformations\n      var before = point, vpt = this.viewportTransform.slice(0);\n      point = transformPoint(point, invertTransform(this.viewportTransform));\n      vpt[0] = value;\n      vpt[3] = value;\n      var after = transformPoint(point, vpt);\n      vpt[4] += before.x - after.x;\n      vpt[5] += before.y - after.y;\n      return this.setViewportTransform(vpt);\n    },\n\n    /**\n     * Sets zoom level of this canvas instance\n     * @param {Number} value to set zoom to, less than 1 zooms out\n     * @return {fabric.Canvas} instance\n     * @chainable true\n     */\n    setZoom: function (value) {\n      this.zoomToPoint(new fabric.Point(0, 0), value);\n      return this;\n    },\n\n    /**\n     * Pan viewport so as to place point at top left corner of canvas\n     * @param {fabric.Point} point to move to\n     * @return {fabric.Canvas} instance\n     * @chainable true\n     */\n    absolutePan: function (point) {\n      var vpt = this.viewportTransform.slice(0);\n      vpt[4] = -point.x;\n      vpt[5] = -point.y;\n      return this.setViewportTransform(vpt);\n    },\n\n    /**\n     * Pans viewpoint relatively\n     * @param {fabric.Point} point (position vector) to move by\n     * @return {fabric.Canvas} instance\n     * @chainable true\n     */\n    relativePan: function (point) {\n      return this.absolutePan(new fabric.Point(\n        -point.x - this.viewportTransform[4],\n        -point.y - this.viewportTransform[5]\n      ));\n    },\n\n    /**\n     * Returns &lt;canvas> element corresponding to this instance\n     * @return {HTMLCanvasElement}\n     */\n    getElement: function () {\n      return this.lowerCanvasEl;\n    },\n\n    /**\n     * @private\n     * @param {fabric.Object} obj Object that was added\n     */\n    _onObjectAdded: function(obj) {\n      this.stateful && obj.setupState();\n      obj._set('canvas', this);\n      obj.setCoords();\n      this.fire('object:added', { target: obj });\n      obj.fire('added');\n    },\n\n    /**\n     * @private\n     * @param {fabric.Object} obj Object that was removed\n     */\n    _onObjectRemoved: function(obj) {\n      this.fire('object:removed', { target: obj });\n      obj.fire('removed');\n      delete obj.canvas;\n    },\n\n    /**\n     * Clears specified context of canvas element\n     * @param {CanvasRenderingContext2D} ctx Context to clear\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    clearContext: function(ctx) {\n      ctx.clearRect(0, 0, this.width, this.height);\n      return this;\n    },\n\n    /**\n     * Returns context of canvas where objects are drawn\n     * @return {CanvasRenderingContext2D}\n     */\n    getContext: function () {\n      return this.contextContainer;\n    },\n\n    /**\n     * Clears all contexts (background, main, top) of an instance\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    clear: function () {\n      this._objects.length = 0;\n      this.backgroundImage = null;\n      this.overlayImage = null;\n      this.backgroundColor = '';\n      this.overlayColor = '';\n      if (this._hasITextHandlers) {\n        this.off('mouse:up', this._mouseUpITextHandler);\n        this._iTextInstances = null;\n        this._hasITextHandlers = false;\n      }\n      this.clearContext(this.contextContainer);\n      this.fire('canvas:cleared');\n      this.renderOnAddRemove && this.requestRenderAll();\n      return this;\n    },\n\n    /**\n     * Renders the canvas\n     * @return {fabric.Canvas} instance\n     * @chainable\n     */\n    renderAll: function () {\n      var canvasToDrawOn = this.contextContainer;\n      this.renderCanvas(canvasToDrawOn, this._objects);\n      return this;\n    },\n\n    /**\n     * Function created to be instance bound at initialization\n     * used in requestAnimationFrame rendering\n     * Let the fabricJS call it. If you call it manually you could have more\n     * animationFrame stacking on to of each other\n     * for an imperative rendering, use canvas.renderAll\n     * @private\n     * @return {fabric.Canvas} instance\n     * @chainable\n     */\n    renderAndReset: function() {\n      this.isRendering = 0;\n      this.renderAll();\n    },\n\n    /**\n     * Append a renderAll request to next animation frame.\n     * unless one is already in progress, in that case nothing is done\n     * a boolean flag will avoid appending more.\n     * @return {fabric.Canvas} instance\n     * @chainable\n     */\n    requestRenderAll: function () {\n      if (!this.isRendering) {\n        this.isRendering = fabric.util.requestAnimFrame(this.renderAndResetBound);\n      }\n      return this;\n    },\n\n    /**\n     * Calculate the position of the 4 corner of canvas with current viewportTransform.\n     * helps to determinate when an object is in the current rendering viewport using\n     * object absolute coordinates ( aCoords )\n     * @return {Object} points.tl\n     * @chainable\n     */\n    calcViewportBoundaries: function() {\n      var points = { }, width = this.width, height = this.height,\n          iVpt = invertTransform(this.viewportTransform);\n      points.tl = transformPoint({ x: 0, y: 0 }, iVpt);\n      points.br = transformPoint({ x: width, y: height }, iVpt);\n      points.tr = new fabric.Point(points.br.x, points.tl.y);\n      points.bl = new fabric.Point(points.tl.x, points.br.y);\n      this.vptCoords = points;\n      return points;\n    },\n\n    cancelRequestedRender: function() {\n      if (this.isRendering) {\n        fabric.util.cancelAnimFrame(this.isRendering);\n        this.isRendering = 0;\n      }\n    },\n\n    /**\n     * Renders background, objects, overlay and controls.\n     * @param {CanvasRenderingContext2D} ctx\n     * @param {Array} objects to render\n     * @return {fabric.Canvas} instance\n     * @chainable\n     */\n    renderCanvas: function(ctx, objects) {\n      var v = this.viewportTransform, path = this.clipPath;\n      this.cancelRequestedRender();\n      this.calcViewportBoundaries();\n      this.clearContext(ctx);\n      fabric.util.setImageSmoothing(ctx, this.imageSmoothingEnabled);\n      this.fire('before:render', { ctx: ctx, });\n      this._renderBackground(ctx);\n\n      ctx.save();\n      //apply viewport transform once for all rendering process\n      ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]);\n      this._renderObjects(ctx, objects);\n      ctx.restore();\n      if (!this.controlsAboveOverlay && this.interactive) {\n        this.drawControls(ctx);\n      }\n      if (path) {\n        path.canvas = this;\n        // needed to setup a couple of variables\n        path.shouldCache();\n        path._transformDone = true;\n        path.renderCache({ forClipping: true });\n        this.drawClipPathOnCanvas(ctx);\n      }\n      this._renderOverlay(ctx);\n      if (this.controlsAboveOverlay && this.interactive) {\n        this.drawControls(ctx);\n      }\n      this.fire('after:render', { ctx: ctx, });\n    },\n\n    /**\n     * Paint the cached clipPath on the lowerCanvasEl\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    drawClipPathOnCanvas: function(ctx) {\n      var v = this.viewportTransform, path = this.clipPath;\n      ctx.save();\n      ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]);\n      // DEBUG: uncomment this line, comment the following\n      // ctx.globalAlpha = 0.4;\n      ctx.globalCompositeOperation = 'destination-in';\n      path.transform(ctx);\n      ctx.scale(1 / path.zoomX, 1 / path.zoomY);\n      ctx.drawImage(path._cacheCanvas, -path.cacheTranslationX, -path.cacheTranslationY);\n      ctx.restore();\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @param {Array} objects to render\n     */\n    _renderObjects: function(ctx, objects) {\n      var i, len;\n      for (i = 0, len = objects.length; i < len; ++i) {\n        objects[i] && objects[i].render(ctx);\n      }\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @param {string} property 'background' or 'overlay'\n     */\n    _renderBackgroundOrOverlay: function(ctx, property) {\n      var fill = this[property + 'Color'], object = this[property + 'Image'],\n          v = this.viewportTransform, needsVpt = this[property + 'Vpt'];\n      if (!fill && !object) {\n        return;\n      }\n      if (fill) {\n        ctx.save();\n        ctx.beginPath();\n        ctx.moveTo(0, 0);\n        ctx.lineTo(this.width, 0);\n        ctx.lineTo(this.width, this.height);\n        ctx.lineTo(0, this.height);\n        ctx.closePath();\n        ctx.fillStyle = fill.toLive\n          ? fill.toLive(ctx, this)\n          : fill;\n        if (needsVpt) {\n          ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]);\n        }\n        ctx.transform(1, 0, 0, 1, fill.offsetX || 0, fill.offsetY || 0);\n        var m = fill.gradientTransform || fill.patternTransform;\n        m && ctx.transform(m[0], m[1], m[2], m[3], m[4], m[5]);\n        ctx.fill();\n        ctx.restore();\n      }\n      if (object) {\n        ctx.save();\n        if (needsVpt) {\n          ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]);\n        }\n        object.render(ctx);\n        ctx.restore();\n      }\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderBackground: function(ctx) {\n      this._renderBackgroundOrOverlay(ctx, 'background');\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderOverlay: function(ctx) {\n      this._renderBackgroundOrOverlay(ctx, 'overlay');\n    },\n\n    /**\n     * Returns coordinates of a center of canvas.\n     * Returned value is an object with top and left properties\n     * @return {Object} object with \"top\" and \"left\" number values\n     */\n    getCenter: function () {\n      return {\n        top: this.height / 2,\n        left: this.width / 2\n      };\n    },\n\n    /**\n     * Centers object horizontally in the canvas\n     * @param {fabric.Object} object Object to center horizontally\n     * @return {fabric.Canvas} thisArg\n     */\n    centerObjectH: function (object) {\n      return this._centerObject(object, new fabric.Point(this.getCenter().left, object.getCenterPoint().y));\n    },\n\n    /**\n     * Centers object vertically in the canvas\n     * @param {fabric.Object} object Object to center vertically\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    centerObjectV: function (object) {\n      return this._centerObject(object, new fabric.Point(object.getCenterPoint().x, this.getCenter().top));\n    },\n\n    /**\n     * Centers object vertically and horizontally in the canvas\n     * @param {fabric.Object} object Object to center vertically and horizontally\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    centerObject: function(object) {\n      var center = this.getCenter();\n\n      return this._centerObject(object, new fabric.Point(center.left, center.top));\n    },\n\n    /**\n     * Centers object vertically and horizontally in the viewport\n     * @param {fabric.Object} object Object to center vertically and horizontally\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    viewportCenterObject: function(object) {\n      var vpCenter = this.getVpCenter();\n\n      return this._centerObject(object, vpCenter);\n    },\n\n    /**\n     * Centers object horizontally in the viewport, object.top is unchanged\n     * @param {fabric.Object} object Object to center vertically and horizontally\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    viewportCenterObjectH: function(object) {\n      var vpCenter = this.getVpCenter();\n      this._centerObject(object, new fabric.Point(vpCenter.x, object.getCenterPoint().y));\n      return this;\n    },\n\n    /**\n     * Centers object Vertically in the viewport, object.top is unchanged\n     * @param {fabric.Object} object Object to center vertically and horizontally\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    viewportCenterObjectV: function(object) {\n      var vpCenter = this.getVpCenter();\n\n      return this._centerObject(object, new fabric.Point(object.getCenterPoint().x, vpCenter.y));\n    },\n\n    /**\n     * Calculate the point in canvas that correspond to the center of actual viewport.\n     * @return {fabric.Point} vpCenter, viewport center\n     * @chainable\n     */\n    getVpCenter: function() {\n      var center = this.getCenter(),\n          iVpt = invertTransform(this.viewportTransform);\n      return transformPoint({ x: center.left, y: center.top }, iVpt);\n    },\n\n    /**\n     * @private\n     * @param {fabric.Object} object Object to center\n     * @param {fabric.Point} center Center point\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    _centerObject: function(object, center) {\n      object.setPositionByOrigin(center, 'center', 'center');\n      object.setCoords();\n      this.renderOnAddRemove && this.requestRenderAll();\n      return this;\n    },\n\n    /**\n     * Returns dataless JSON representation of canvas\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {String} json string\n     */\n    toDatalessJSON: function (propertiesToInclude) {\n      return this.toDatalessObject(propertiesToInclude);\n    },\n\n    /**\n     * Returns object representation of canvas\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} object representation of an instance\n     */\n    toObject: function (propertiesToInclude) {\n      return this._toObjectMethod('toObject', propertiesToInclude);\n    },\n\n    /**\n     * Returns dataless object representation of canvas\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} object representation of an instance\n     */\n    toDatalessObject: function (propertiesToInclude) {\n      return this._toObjectMethod('toDatalessObject', propertiesToInclude);\n    },\n\n    /**\n     * @private\n     */\n    _toObjectMethod: function (methodName, propertiesToInclude) {\n\n      var clipPath = this.clipPath, data = {\n        version: fabric.version,\n        objects: this._toObjects(methodName, propertiesToInclude),\n      };\n      if (clipPath) {\n        data.clipPath = this._toObject(this.clipPath, methodName, propertiesToInclude);\n      }\n      extend(data, this.__serializeBgOverlay(methodName, propertiesToInclude));\n\n      fabric.util.populateWithProperties(this, data, propertiesToInclude);\n\n      return data;\n    },\n\n    /**\n     * @private\n     */\n    _toObjects: function(methodName, propertiesToInclude) {\n      return this._objects.filter(function(object) {\n        return !object.excludeFromExport;\n      }).map(function(instance) {\n        return this._toObject(instance, methodName, propertiesToInclude);\n      }, this);\n    },\n\n    /**\n     * @private\n     */\n    _toObject: function(instance, methodName, propertiesToInclude) {\n      var originalValue;\n\n      if (!this.includeDefaultValues) {\n        originalValue = instance.includeDefaultValues;\n        instance.includeDefaultValues = false;\n      }\n\n      var object = instance[methodName](propertiesToInclude);\n      if (!this.includeDefaultValues) {\n        instance.includeDefaultValues = originalValue;\n      }\n      return object;\n    },\n\n    /**\n     * @private\n     */\n    __serializeBgOverlay: function(methodName, propertiesToInclude) {\n      var data = { }, bgImage = this.backgroundImage, overlay = this.overlayImage;\n\n      if (this.backgroundColor) {\n        data.background = this.backgroundColor.toObject\n          ? this.backgroundColor.toObject(propertiesToInclude)\n          : this.backgroundColor;\n      }\n\n      if (this.overlayColor) {\n        data.overlay = this.overlayColor.toObject\n          ? this.overlayColor.toObject(propertiesToInclude)\n          : this.overlayColor;\n      }\n      if (bgImage && !bgImage.excludeFromExport) {\n        data.backgroundImage = this._toObject(bgImage, methodName, propertiesToInclude);\n      }\n      if (overlay && !overlay.excludeFromExport) {\n        data.overlayImage = this._toObject(overlay, methodName, propertiesToInclude);\n      }\n\n      return data;\n    },\n\n    /* _TO_SVG_START_ */\n    /**\n     * When true, getSvgTransform() will apply the StaticCanvas.viewportTransform to the SVG transformation. When true,\n     * a zoomed canvas will then produce zoomed SVG output.\n     * @type Boolean\n     * @default\n     */\n    svgViewportTransformation: true,\n\n    /**\n     * Returns SVG representation of canvas\n     * @function\n     * @param {Object} [options] Options object for SVG output\n     * @param {Boolean} [options.suppressPreamble=false] If true xml tag is not included\n     * @param {Object} [options.viewBox] SVG viewbox object\n     * @param {Number} [options.viewBox.x] x-coordinate of viewbox\n     * @param {Number} [options.viewBox.y] y-coordinate of viewbox\n     * @param {Number} [options.viewBox.width] Width of viewbox\n     * @param {Number} [options.viewBox.height] Height of viewbox\n     * @param {String} [options.encoding=UTF-8] Encoding of SVG output\n     * @param {String} [options.width] desired width of svg with or without units\n     * @param {String} [options.height] desired height of svg with or without units\n     * @param {Function} [reviver] Method for further parsing of svg elements, called after each fabric object converted into svg representation.\n     * @return {String} SVG string\n     * @tutorial {@link http://fabricjs.com/fabric-intro-part-3#serialization}\n     * @see {@link http://jsfiddle.net/fabricjs/jQ3ZZ/|jsFiddle demo}\n     * @example <caption>Normal SVG output</caption>\n     * var svg = canvas.toSVG();\n     * @example <caption>SVG output without preamble (without &lt;?xml ../>)</caption>\n     * var svg = canvas.toSVG({suppressPreamble: true});\n     * @example <caption>SVG output with viewBox attribute</caption>\n     * var svg = canvas.toSVG({\n     *   viewBox: {\n     *     x: 100,\n     *     y: 100,\n     *     width: 200,\n     *     height: 300\n     *   }\n     * });\n     * @example <caption>SVG output with different encoding (default: UTF-8)</caption>\n     * var svg = canvas.toSVG({encoding: 'ISO-8859-1'});\n     * @example <caption>Modify SVG output with reviver function</caption>\n     * var svg = canvas.toSVG(null, function(svg) {\n     *   return svg.replace('stroke-dasharray: ; stroke-linecap: butt; stroke-linejoin: miter; stroke-miterlimit: 10; ', '');\n     * });\n     */\n    toSVG: function(options, reviver) {\n      options || (options = { });\n      options.reviver = reviver;\n      var markup = [];\n\n      this._setSVGPreamble(markup, options);\n      this._setSVGHeader(markup, options);\n      if (this.clipPath) {\n        markup.push('<g clip-path=\"url(#' + this.clipPath.clipPathId + ')\" >\\n');\n      }\n      this._setSVGBgOverlayColor(markup, 'background');\n      this._setSVGBgOverlayImage(markup, 'backgroundImage', reviver);\n      this._setSVGObjects(markup, reviver);\n      if (this.clipPath) {\n        markup.push('</g>\\n');\n      }\n      this._setSVGBgOverlayColor(markup, 'overlay');\n      this._setSVGBgOverlayImage(markup, 'overlayImage', reviver);\n\n      markup.push('</svg>');\n\n      return markup.join('');\n    },\n\n    /**\n     * @private\n     */\n    _setSVGPreamble: function(markup, options) {\n      if (options.suppressPreamble) {\n        return;\n      }\n      markup.push(\n        '<?xml version=\"1.0\" encoding=\"', (options.encoding || 'UTF-8'), '\" standalone=\"no\" ?>\\n',\n        '<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" ',\n        '\"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\\n'\n      );\n    },\n\n    /**\n     * @private\n     */\n    _setSVGHeader: function(markup, options) {\n      var width = options.width || this.width,\n          height = options.height || this.height,\n          vpt, viewBox = 'viewBox=\"0 0 ' + this.width + ' ' + this.height + '\" ',\n          NUM_FRACTION_DIGITS = fabric.Object.NUM_FRACTION_DIGITS;\n\n      if (options.viewBox) {\n        viewBox = 'viewBox=\"' +\n                options.viewBox.x + ' ' +\n                options.viewBox.y + ' ' +\n                options.viewBox.width + ' ' +\n                options.viewBox.height + '\" ';\n      }\n      else {\n        if (this.svgViewportTransformation) {\n          vpt = this.viewportTransform;\n          viewBox = 'viewBox=\"' +\n                  toFixed(-vpt[4] / vpt[0], NUM_FRACTION_DIGITS) + ' ' +\n                  toFixed(-vpt[5] / vpt[3], NUM_FRACTION_DIGITS) + ' ' +\n                  toFixed(this.width / vpt[0], NUM_FRACTION_DIGITS) + ' ' +\n                  toFixed(this.height / vpt[3], NUM_FRACTION_DIGITS) + '\" ';\n        }\n      }\n\n      markup.push(\n        '<svg ',\n        'xmlns=\"http://www.w3.org/2000/svg\" ',\n        'xmlns:xlink=\"http://www.w3.org/1999/xlink\" ',\n        'version=\"1.1\" ',\n        'width=\"', width, '\" ',\n        'height=\"', height, '\" ',\n        viewBox,\n        'xml:space=\"preserve\">\\n',\n        '<desc>Created with Fabric.js ', fabric.version, '</desc>\\n',\n        '<defs>\\n',\n        this.createSVGFontFacesMarkup(),\n        this.createSVGRefElementsMarkup(),\n        this.createSVGClipPathMarkup(options),\n        '</defs>\\n'\n      );\n    },\n\n    createSVGClipPathMarkup: function(options) {\n      var clipPath = this.clipPath;\n      if (clipPath) {\n        clipPath.clipPathId = 'CLIPPATH_' + fabric.Object.__uid++;\n        return  '<clipPath id=\"' + clipPath.clipPathId + '\" >\\n' +\n          this.clipPath.toClipPathSVG(options.reviver) +\n          '</clipPath>\\n';\n      }\n      return '';\n    },\n\n    /**\n     * Creates markup containing SVG referenced elements like patterns, gradients etc.\n     * @return {String}\n     */\n    createSVGRefElementsMarkup: function() {\n      var _this = this,\n          markup = ['background', 'overlay'].map(function(prop) {\n            var fill = _this[prop + 'Color'];\n            if (fill && fill.toLive) {\n              var shouldTransform = _this[prop + 'Vpt'], vpt = _this.viewportTransform,\n                  object = {\n                    width: _this.width / (shouldTransform ? vpt[0] : 1),\n                    height: _this.height / (shouldTransform ? vpt[3] : 1)\n                  };\n              return fill.toSVG(\n                object,\n                { additionalTransform: shouldTransform ? fabric.util.matrixToSVG(vpt) : '' }\n              );\n            }\n          });\n      return markup.join('');\n    },\n\n    /**\n     * Creates markup containing SVG font faces,\n     * font URLs for font faces must be collected by developers\n     * and are not extracted from the DOM by fabricjs\n     * @param {Array} objects Array of fabric objects\n     * @return {String}\n     */\n    createSVGFontFacesMarkup: function() {\n      var markup = '', fontList = { }, obj, fontFamily,\n          style, row, rowIndex, _char, charIndex, i, len,\n          fontPaths = fabric.fontPaths, objects = [];\n\n      this._objects.forEach(function add(object) {\n        objects.push(object);\n        if (object._objects) {\n          object._objects.forEach(add);\n        }\n      });\n\n      for (i = 0, len = objects.length; i < len; i++) {\n        obj = objects[i];\n        fontFamily = obj.fontFamily;\n        if (obj.type.indexOf('text') === -1 || fontList[fontFamily] || !fontPaths[fontFamily]) {\n          continue;\n        }\n        fontList[fontFamily] = true;\n        if (!obj.styles) {\n          continue;\n        }\n        style = obj.styles;\n        for (rowIndex in style) {\n          row = style[rowIndex];\n          for (charIndex in row) {\n            _char = row[charIndex];\n            fontFamily = _char.fontFamily;\n            if (!fontList[fontFamily] && fontPaths[fontFamily]) {\n              fontList[fontFamily] = true;\n            }\n          }\n        }\n      }\n\n      for (var j in fontList) {\n        markup += [\n          '\\t\\t@font-face {\\n',\n          '\\t\\t\\tfont-family: \\'', j, '\\';\\n',\n          '\\t\\t\\tsrc: url(\\'', fontPaths[j], '\\');\\n',\n          '\\t\\t}\\n'\n        ].join('');\n      }\n\n      if (markup) {\n        markup = [\n          '\\t<style type=\"text/css\">',\n          '<![CDATA[\\n',\n          markup,\n          ']]>',\n          '</style>\\n'\n        ].join('');\n      }\n\n      return markup;\n    },\n\n    /**\n     * @private\n     */\n    _setSVGObjects: function(markup, reviver) {\n      var instance, i, len, objects = this._objects;\n      for (i = 0, len = objects.length; i < len; i++) {\n        instance = objects[i];\n        if (instance.excludeFromExport) {\n          continue;\n        }\n        this._setSVGObject(markup, instance, reviver);\n      }\n    },\n\n    /**\n     * @private\n     */\n    _setSVGObject: function(markup, instance, reviver) {\n      markup.push(instance.toSVG(reviver));\n    },\n\n    /**\n     * @private\n     */\n    _setSVGBgOverlayImage: function(markup, property, reviver) {\n      if (this[property] && !this[property].excludeFromExport && this[property].toSVG) {\n        markup.push(this[property].toSVG(reviver));\n      }\n    },\n\n    /**\n     * @private\n     */\n    _setSVGBgOverlayColor: function(markup, property) {\n      var filler = this[property + 'Color'], vpt = this.viewportTransform, finalWidth = this.width,\n          finalHeight = this.height;\n      if (!filler) {\n        return;\n      }\n      if (filler.toLive) {\n        var repeat = filler.repeat, iVpt = fabric.util.invertTransform(vpt), shouldInvert = this[property + 'Vpt'],\n            additionalTransform = shouldInvert ? fabric.util.matrixToSVG(iVpt) : '';\n        markup.push(\n          '<rect transform=\"' + additionalTransform + ' translate(', finalWidth / 2, ',', finalHeight / 2, ')\"',\n          ' x=\"', filler.offsetX - finalWidth / 2,\n          '\" y=\"', filler.offsetY - finalHeight / 2, '\" ',\n          'width=\"',\n          (repeat === 'repeat-y' || repeat === 'no-repeat'\n            ? filler.source.width\n            : finalWidth ),\n          '\" height=\"',\n          (repeat === 'repeat-x' || repeat === 'no-repeat'\n            ? filler.source.height\n            : finalHeight),\n          '\" fill=\"url(#SVGID_' + filler.id + ')\"',\n          '></rect>\\n'\n        );\n      }\n      else {\n        markup.push(\n          '<rect x=\"0\" y=\"0\" width=\"100%\" height=\"100%\" ',\n          'fill=\"', filler, '\"',\n          '></rect>\\n'\n        );\n      }\n    },\n    /* _TO_SVG_END_ */\n\n    /**\n     * Moves an object or the objects of a multiple selection\n     * to the bottom of the stack of drawn objects\n     * @param {fabric.Object} object Object to send to back\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    sendToBack: function (object) {\n      if (!object) {\n        return this;\n      }\n      var activeSelection = this._activeObject,\n          i, obj, objs;\n      if (object === activeSelection && object.type === 'activeSelection') {\n        objs = activeSelection._objects;\n        for (i = objs.length; i--;) {\n          obj = objs[i];\n          removeFromArray(this._objects, obj);\n          this._objects.unshift(obj);\n        }\n      }\n      else {\n        removeFromArray(this._objects, object);\n        this._objects.unshift(object);\n      }\n      this.renderOnAddRemove && this.requestRenderAll();\n      return this;\n    },\n\n    /**\n     * Moves an object or the objects of a multiple selection\n     * to the top of the stack of drawn objects\n     * @param {fabric.Object} object Object to send\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    bringToFront: function (object) {\n      if (!object) {\n        return this;\n      }\n      var activeSelection = this._activeObject,\n          i, obj, objs;\n      if (object === activeSelection && object.type === 'activeSelection') {\n        objs = activeSelection._objects;\n        for (i = 0; i < objs.length; i++) {\n          obj = objs[i];\n          removeFromArray(this._objects, obj);\n          this._objects.push(obj);\n        }\n      }\n      else {\n        removeFromArray(this._objects, object);\n        this._objects.push(object);\n      }\n      this.renderOnAddRemove && this.requestRenderAll();\n      return this;\n    },\n\n    /**\n     * Moves an object or a selection down in stack of drawn objects\n     * An optional parameter, intersecting allows to move the object in behind\n     * the first intersecting object. Where intersection is calculated with\n     * bounding box. If no intersection is found, there will not be change in the\n     * stack.\n     * @param {fabric.Object} object Object to send\n     * @param {Boolean} [intersecting] If `true`, send object behind next lower intersecting object\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    sendBackwards: function (object, intersecting) {\n      if (!object) {\n        return this;\n      }\n      var activeSelection = this._activeObject,\n          i, obj, idx, newIdx, objs, objsMoved = 0;\n\n      if (object === activeSelection && object.type === 'activeSelection') {\n        objs = activeSelection._objects;\n        for (i = 0; i < objs.length; i++) {\n          obj = objs[i];\n          idx = this._objects.indexOf(obj);\n          if (idx > 0 + objsMoved) {\n            newIdx = idx - 1;\n            removeFromArray(this._objects, obj);\n            this._objects.splice(newIdx, 0, obj);\n          }\n          objsMoved++;\n        }\n      }\n      else {\n        idx = this._objects.indexOf(object);\n        if (idx !== 0) {\n          // if object is not on the bottom of stack\n          newIdx = this._findNewLowerIndex(object, idx, intersecting);\n          removeFromArray(this._objects, object);\n          this._objects.splice(newIdx, 0, object);\n        }\n      }\n      this.renderOnAddRemove && this.requestRenderAll();\n      return this;\n    },\n\n    /**\n     * @private\n     */\n    _findNewLowerIndex: function(object, idx, intersecting) {\n      var newIdx, i;\n\n      if (intersecting) {\n        newIdx = idx;\n\n        // traverse down the stack looking for the nearest intersecting object\n        for (i = idx - 1; i >= 0; --i) {\n\n          var isIntersecting = object.intersectsWithObject(this._objects[i]) ||\n                               object.isContainedWithinObject(this._objects[i]) ||\n                               this._objects[i].isContainedWithinObject(object);\n\n          if (isIntersecting) {\n            newIdx = i;\n            break;\n          }\n        }\n      }\n      else {\n        newIdx = idx - 1;\n      }\n\n      return newIdx;\n    },\n\n    /**\n     * Moves an object or a selection up in stack of drawn objects\n     * An optional parameter, intersecting allows to move the object in front\n     * of the first intersecting object. Where intersection is calculated with\n     * bounding box. If no intersection is found, there will not be change in the\n     * stack.\n     * @param {fabric.Object} object Object to send\n     * @param {Boolean} [intersecting] If `true`, send object in front of next upper intersecting object\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    bringForward: function (object, intersecting) {\n      if (!object) {\n        return this;\n      }\n      var activeSelection = this._activeObject,\n          i, obj, idx, newIdx, objs, objsMoved = 0;\n\n      if (object === activeSelection && object.type === 'activeSelection') {\n        objs = activeSelection._objects;\n        for (i = objs.length; i--;) {\n          obj = objs[i];\n          idx = this._objects.indexOf(obj);\n          if (idx < this._objects.length - 1 - objsMoved) {\n            newIdx = idx + 1;\n            removeFromArray(this._objects, obj);\n            this._objects.splice(newIdx, 0, obj);\n          }\n          objsMoved++;\n        }\n      }\n      else {\n        idx = this._objects.indexOf(object);\n        if (idx !== this._objects.length - 1) {\n          // if object is not on top of stack (last item in an array)\n          newIdx = this._findNewUpperIndex(object, idx, intersecting);\n          removeFromArray(this._objects, object);\n          this._objects.splice(newIdx, 0, object);\n        }\n      }\n      this.renderOnAddRemove && this.requestRenderAll();\n      return this;\n    },\n\n    /**\n     * @private\n     */\n    _findNewUpperIndex: function(object, idx, intersecting) {\n      var newIdx, i, len;\n\n      if (intersecting) {\n        newIdx = idx;\n\n        // traverse up the stack looking for the nearest intersecting object\n        for (i = idx + 1, len = this._objects.length; i < len; ++i) {\n\n          var isIntersecting = object.intersectsWithObject(this._objects[i]) ||\n                               object.isContainedWithinObject(this._objects[i]) ||\n                               this._objects[i].isContainedWithinObject(object);\n\n          if (isIntersecting) {\n            newIdx = i;\n            break;\n          }\n        }\n      }\n      else {\n        newIdx = idx + 1;\n      }\n\n      return newIdx;\n    },\n\n    /**\n     * Moves an object to specified level in stack of drawn objects\n     * @param {fabric.Object} object Object to send\n     * @param {Number} index Position to move to\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    moveTo: function (object, index) {\n      removeFromArray(this._objects, object);\n      this._objects.splice(index, 0, object);\n      return this.renderOnAddRemove && this.requestRenderAll();\n    },\n\n    /**\n     * Clears a canvas element and dispose objects\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    dispose: function () {\n      // cancel eventually ongoing renders\n      if (this.isRendering) {\n        fabric.util.cancelAnimFrame(this.isRendering);\n        this.isRendering = 0;\n      }\n      this.forEachObject(function(object) {\n        object.dispose && object.dispose();\n      });\n      this._objects = [];\n      if (this.backgroundImage && this.backgroundImage.dispose) {\n        this.backgroundImage.dispose();\n      }\n      this.backgroundImage = null;\n      if (this.overlayImage && this.overlayImage.dispose) {\n        this.overlayImage.dispose();\n      }\n      this.overlayImage = null;\n      this._iTextInstances = null;\n      this.contextContainer = null;\n      fabric.util.cleanUpJsdomNode(this.lowerCanvasEl);\n      this.lowerCanvasEl = undefined;\n      return this;\n    },\n\n    /**\n     * Returns a string representation of an instance\n     * @return {String} string representation of an instance\n     */\n    toString: function () {\n      return '#<fabric.Canvas (' + this.complexity() + '): ' +\n               '{ objects: ' + this._objects.length + ' }>';\n    }\n  });\n\n  extend(fabric.StaticCanvas.prototype, fabric.Observable);\n  extend(fabric.StaticCanvas.prototype, fabric.Collection);\n  extend(fabric.StaticCanvas.prototype, fabric.DataURLExporter);\n\n  extend(fabric.StaticCanvas, /** @lends fabric.StaticCanvas */ {\n\n    /**\n     * @static\n     * @type String\n     * @default\n     */\n    EMPTY_JSON: '{\"objects\": [], \"background\": \"white\"}',\n\n    /**\n     * Provides a way to check support of some of the canvas methods\n     * (either those of HTMLCanvasElement itself, or rendering context)\n     *\n     * @param {String} methodName Method to check support for;\n     *                            Could be one of \"setLineDash\"\n     * @return {Boolean | null} `true` if method is supported (or at least exists),\n     *                          `null` if canvas element or context can not be initialized\n     */\n    supports: function (methodName) {\n      var el = createCanvasElement();\n\n      if (!el || !el.getContext) {\n        return null;\n      }\n\n      var ctx = el.getContext('2d');\n      if (!ctx) {\n        return null;\n      }\n\n      switch (methodName) {\n\n        case 'setLineDash':\n          return typeof ctx.setLineDash !== 'undefined';\n\n        default:\n          return null;\n      }\n    }\n  });\n\n  /**\n   * Returns Object representation of canvas\n   * this alias is provided because if you call JSON.stringify on an instance,\n   * the toJSON object will be invoked if it exists.\n   * Having a toJSON method means you can do JSON.stringify(myCanvas)\n   * @function\n   * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n   * @return {Object} JSON compatible object\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-3#serialization}\n   * @see {@link http://jsfiddle.net/fabricjs/pec86/|jsFiddle demo}\n   * @example <caption>JSON without additional properties</caption>\n   * var json = canvas.toJSON();\n   * @example <caption>JSON with additional properties included</caption>\n   * var json = canvas.toJSON(['lockMovementX', 'lockMovementY', 'lockRotation', 'lockScalingX', 'lockScalingY']);\n   * @example <caption>JSON without default values</caption>\n   * canvas.includeDefaultValues = false;\n   * var json = canvas.toJSON();\n   */\n  fabric.StaticCanvas.prototype.toJSON = fabric.StaticCanvas.prototype.toObject;\n\n  if (fabric.isLikelyNode) {\n    fabric.StaticCanvas.prototype.createPNGStream = function() {\n      var impl = getNodeCanvas(this.lowerCanvasEl);\n      return impl && impl.createPNGStream();\n    };\n    fabric.StaticCanvas.prototype.createJPEGStream = function(opts) {\n      var impl = getNodeCanvas(this.lowerCanvasEl);\n      return impl && impl.createJPEGStream(opts);\n    };\n  }\n})();\n\n\n/**\n * BaseBrush class\n * @class fabric.BaseBrush\n * @see {@link http://fabricjs.com/freedrawing|Freedrawing demo}\n */\nfabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype */ {\n\n  /**\n   * Color of a brush\n   * @type String\n   * @default\n   */\n  color: 'rgb(0, 0, 0)',\n\n  /**\n   * Width of a brush, has to be a Number, no string literals\n   * @type Number\n   * @default\n   */\n  width: 1,\n\n  /**\n   * Shadow object representing shadow of this shape.\n   * <b>Backwards incompatibility note:</b> This property replaces \"shadowColor\" (String), \"shadowOffsetX\" (Number),\n   * \"shadowOffsetY\" (Number) and \"shadowBlur\" (Number) since v1.2.12\n   * @type fabric.Shadow\n   * @default\n   */\n  shadow: null,\n\n  /**\n   * Line endings style of a brush (one of \"butt\", \"round\", \"square\")\n   * @type String\n   * @default\n   */\n  strokeLineCap: 'round',\n\n  /**\n   * Corner style of a brush (one of \"bevel\", \"round\", \"miter\")\n   * @type String\n   * @default\n   */\n  strokeLineJoin: 'round',\n\n  /**\n   * Maximum miter length (used for strokeLineJoin = \"miter\") of a brush's\n   * @type Number\n   * @default\n   */\n  strokeMiterLimit:         10,\n\n  /**\n   * Stroke Dash Array.\n   * @type Array\n   * @default\n   */\n  strokeDashArray: null,\n\n  /**\n   * When `true`, the free drawing is limited to the whiteboard size. Default to false.\n   * @type Boolean\n   * @default false\n  */\n\n  limitedToCanvasSize: false,\n\n\n  /**\n   * Sets brush styles\n   * @private\n   */\n  _setBrushStyles: function() {\n    var ctx = this.canvas.contextTop;\n    ctx.strokeStyle = this.color;\n    ctx.lineWidth = this.width;\n    ctx.lineCap = this.strokeLineCap;\n    ctx.miterLimit = this.strokeMiterLimit;\n    ctx.lineJoin = this.strokeLineJoin;\n    if (fabric.StaticCanvas.supports('setLineDash')) {\n      ctx.setLineDash(this.strokeDashArray || []);\n    }\n  },\n\n  /**\n   * Sets the transformation on given context\n   * @param {RenderingContext2d} ctx context to render on\n   * @private\n   */\n  _saveAndTransform: function(ctx) {\n    var v = this.canvas.viewportTransform;\n    ctx.save();\n    ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]);\n  },\n\n  /**\n   * Sets brush shadow styles\n   * @private\n   */\n  _setShadow: function() {\n    if (!this.shadow) {\n      return;\n    }\n\n    var canvas = this.canvas,\n        shadow = this.shadow,\n        ctx = canvas.contextTop,\n        zoom = canvas.getZoom();\n    if (canvas && canvas._isRetinaScaling()) {\n      zoom *= fabric.devicePixelRatio;\n    }\n\n    ctx.shadowColor = shadow.color;\n    ctx.shadowBlur = shadow.blur * zoom;\n    ctx.shadowOffsetX = shadow.offsetX * zoom;\n    ctx.shadowOffsetY = shadow.offsetY * zoom;\n  },\n\n  needsFullRender: function() {\n    var color = new fabric.Color(this.color);\n    return color.getAlpha() < 1 || !!this.shadow;\n  },\n\n  /**\n   * Removes brush shadow styles\n   * @private\n   */\n  _resetShadow: function() {\n    var ctx = this.canvas.contextTop;\n\n    ctx.shadowColor = '';\n    ctx.shadowBlur = ctx.shadowOffsetX = ctx.shadowOffsetY = 0;\n  },\n\n  /**\n   * Check is pointer is outside canvas boundaries\n   * @param {Object} pointer\n   * @private\n  */\n  _isOutSideCanvas: function(pointer) {\n    return pointer.x < 0 || pointer.x > this.canvas.getWidth() || pointer.y < 0 || pointer.y > this.canvas.getHeight();\n  }\n});\n\n\n(function() {\n  /**\n   * PencilBrush class\n   * @class fabric.PencilBrush\n   * @extends fabric.BaseBrush\n   */\n  fabric.PencilBrush = fabric.util.createClass(fabric.BaseBrush, /** @lends fabric.PencilBrush.prototype */ {\n\n    /**\n     * Discard points that are less than `decimate` pixel distant from each other\n     * @type Number\n     * @default 0.4\n     */\n    decimate: 0.4,\n\n    /**\n     * Constructor\n     * @param {fabric.Canvas} canvas\n     * @return {fabric.PencilBrush} Instance of a pencil brush\n     */\n    initialize: function(canvas) {\n      this.canvas = canvas;\n      this._points = [];\n    },\n\n    /**\n     * Invoked inside on mouse down and mouse move\n     * @param {Object} pointer\n     */\n    _drawSegment: function (ctx, p1, p2) {\n      var midPoint = p1.midPointFrom(p2);\n      ctx.quadraticCurveTo(p1.x, p1.y, midPoint.x, midPoint.y);\n      return midPoint;\n    },\n\n    /**\n     * Invoked on mouse down\n     * @param {Object} pointer\n     */\n    onMouseDown: function(pointer, options) {\n      if (!this.canvas._isMainEvent(options.e)) {\n        return;\n      }\n      this._prepareForDrawing(pointer);\n      // capture coordinates immediately\n      // this allows to draw dots (when movement never occurs)\n      this._captureDrawingPath(pointer);\n      this._render();\n    },\n\n    /**\n     * Invoked on mouse move\n     * @param {Object} pointer\n     */\n    onMouseMove: function(pointer, options) {\n      if (!this.canvas._isMainEvent(options.e)) {\n        return;\n      }\n      if (this.limitedToCanvasSize === true && this._isOutSideCanvas(pointer)) {\n        return;\n      }\n      if (this._captureDrawingPath(pointer) && this._points.length > 1) {\n        if (this.needsFullRender()) {\n          // redraw curve\n          // clear top canvas\n          this.canvas.clearContext(this.canvas.contextTop);\n          this._render();\n        }\n        else {\n          var points = this._points, length = points.length, ctx = this.canvas.contextTop;\n          // draw the curve update\n          this._saveAndTransform(ctx);\n          if (this.oldEnd) {\n            ctx.beginPath();\n            ctx.moveTo(this.oldEnd.x, this.oldEnd.y);\n          }\n          this.oldEnd = this._drawSegment(ctx, points[length - 2], points[length - 1], true);\n          ctx.stroke();\n          ctx.restore();\n        }\n      }\n    },\n\n    /**\n     * Invoked on mouse up\n     */\n    onMouseUp: function(options) {\n      if (!this.canvas._isMainEvent(options.e)) {\n        return true;\n      }\n      this.oldEnd = undefined;\n      this._finalizeAndAddPath();\n      return false;\n    },\n\n    /**\n     * @private\n     * @param {Object} pointer Actual mouse position related to the canvas.\n     */\n    _prepareForDrawing: function(pointer) {\n\n      var p = new fabric.Point(pointer.x, pointer.y);\n\n      this._reset();\n      this._addPoint(p);\n      this.canvas.contextTop.moveTo(p.x, p.y);\n    },\n\n    /**\n     * @private\n     * @param {fabric.Point} point Point to be added to points array\n     */\n    _addPoint: function(point) {\n      if (this._points.length > 1 && point.eq(this._points[this._points.length - 1])) {\n        return false;\n      }\n      this._points.push(point);\n      return true;\n    },\n\n    /**\n     * Clear points array and set contextTop canvas style.\n     * @private\n     */\n    _reset: function() {\n      this._points = [];\n      this._setBrushStyles();\n      this._setShadow();\n    },\n\n    /**\n     * @private\n     * @param {Object} pointer Actual mouse position related to the canvas.\n     */\n    _captureDrawingPath: function(pointer) {\n      var pointerPoint = new fabric.Point(pointer.x, pointer.y);\n      return this._addPoint(pointerPoint);\n    },\n\n    /**\n     * Draw a smooth path on the topCanvas using quadraticCurveTo\n     * @private\n     */\n    _render: function() {\n      var ctx  = this.canvas.contextTop, i, len,\n          p1 = this._points[0],\n          p2 = this._points[1];\n\n      this._saveAndTransform(ctx);\n      ctx.beginPath();\n      //if we only have 2 points in the path and they are the same\n      //it means that the user only clicked the canvas without moving the mouse\n      //then we should be drawing a dot. A path isn't drawn between two identical dots\n      //that's why we set them apart a bit\n      if (this._points.length === 2 && p1.x === p2.x && p1.y === p2.y) {\n        var width = this.width / 1000;\n        p1 = new fabric.Point(p1.x, p1.y);\n        p2 = new fabric.Point(p2.x, p2.y);\n        p1.x -= width;\n        p2.x += width;\n      }\n      ctx.moveTo(p1.x, p1.y);\n\n      for (i = 1, len = this._points.length; i < len; i++) {\n        // we pick the point between pi + 1 & pi + 2 as the\n        // end point and p1 as our control point.\n        this._drawSegment(ctx, p1, p2);\n        p1 = this._points[i];\n        p2 = this._points[i + 1];\n      }\n      // Draw last line as a straight line while\n      // we wait for the next point to be able to calculate\n      // the bezier control point\n      ctx.lineTo(p1.x, p1.y);\n      ctx.stroke();\n      ctx.restore();\n    },\n\n    /**\n     * Converts points to SVG path\n     * @param {Array} points Array of points\n     * @return {String} SVG path\n     */\n    convertPointsToSVGPath: function(points) {\n      var path = [], i, width = this.width / 1000,\n          p1 = new fabric.Point(points[0].x, points[0].y),\n          p2 = new fabric.Point(points[1].x, points[1].y),\n          len = points.length, multSignX = 1, multSignY = 0, manyPoints = len > 2;\n\n      if (manyPoints) {\n        multSignX = points[2].x < p2.x ? -1 : points[2].x === p2.x ? 0 : 1;\n        multSignY = points[2].y < p2.y ? -1 : points[2].y === p2.y ? 0 : 1;\n      }\n      path.push('M ', p1.x - multSignX * width, ' ', p1.y - multSignY * width, ' ');\n      for (i = 1; i < len; i++) {\n        if (!p1.eq(p2)) {\n          var midPoint = p1.midPointFrom(p2);\n          // p1 is our bezier control point\n          // midpoint is our endpoint\n          // start point is p(i-1) value.\n          path.push('Q ', p1.x, ' ', p1.y, ' ', midPoint.x, ' ', midPoint.y, ' ');\n        }\n        p1 = points[i];\n        if ((i + 1) < points.length) {\n          p2 = points[i + 1];\n        }\n      }\n      if (manyPoints) {\n        multSignX = p1.x > points[i - 2].x ? 1 : p1.x === points[i - 2].x ? 0 : -1;\n        multSignY = p1.y > points[i - 2].y ? 1 : p1.y === points[i - 2].y ? 0 : -1;\n      }\n      path.push('L ', p1.x + multSignX * width, ' ', p1.y + multSignY * width);\n      return path;\n    },\n\n    /**\n     * Creates fabric.Path object to add on canvas\n     * @param {String} pathData Path data\n     * @return {fabric.Path} Path to add on canvas\n     */\n    createPath: function(pathData) {\n      var path = new fabric.Path(pathData, {\n        fill: null,\n        stroke: this.color,\n        strokeWidth: this.width,\n        strokeLineCap: this.strokeLineCap,\n        strokeMiterLimit: this.strokeMiterLimit,\n        strokeLineJoin: this.strokeLineJoin,\n        strokeDashArray: this.strokeDashArray,\n      });\n      if (this.shadow) {\n        this.shadow.affectStroke = true;\n        path.shadow = new fabric.Shadow(this.shadow);\n      }\n\n      return path;\n    },\n\n    /**\n     * Decimate points array with the decimate value\n     */\n    decimatePoints: function(points, distance) {\n      if (points.length <= 2) {\n        return points;\n      }\n      var zoom = this.canvas.getZoom(), adjustedDistance = Math.pow(distance / zoom, 2),\n          i, l = points.length - 1, lastPoint = points[0], newPoints = [lastPoint],\n          cDistance;\n      for (i = 1; i < l - 1; i++) {\n        cDistance = Math.pow(lastPoint.x - points[i].x, 2) + Math.pow(lastPoint.y - points[i].y, 2);\n        if (cDistance >= adjustedDistance) {\n          lastPoint = points[i];\n          newPoints.push(lastPoint);\n        }\n      }\n      /**\n       * Add the last point from the original line to the end of the array.\n       * This ensures decimate doesn't delete the last point on the line, and ensures the line is > 1 point.\n       */\n      newPoints.push(points[l]);\n      return newPoints;\n    },\n\n    /**\n     * On mouseup after drawing the path on contextTop canvas\n     * we use the points captured to create an new fabric path object\n     * and add it to the fabric canvas.\n     */\n    _finalizeAndAddPath: function() {\n      var ctx = this.canvas.contextTop;\n      ctx.closePath();\n      if (this.decimate) {\n        this._points = this.decimatePoints(this._points, this.decimate);\n      }\n      var pathData = this.convertPointsToSVGPath(this._points).join('');\n      if (pathData === 'M 0 0 Q 0 0 0 0 L 0 0') {\n        // do not create 0 width/height paths, as they are\n        // rendered inconsistently across browsers\n        // Firefox 4, for example, renders a dot,\n        // whereas Chrome 10 renders nothing\n        this.canvas.requestRenderAll();\n        return;\n      }\n\n      var path = this.createPath(pathData);\n      this.canvas.clearContext(this.canvas.contextTop);\n      this.canvas.fire('before:path:created', { path: path });\n      this.canvas.add(path);\n      this.canvas.requestRenderAll();\n      path.setCoords();\n      this._resetShadow();\n\n\n      // fire event 'path' created\n      this.canvas.fire('path:created', { path: path });\n    }\n  });\n})();\n\n\n/**\n * CircleBrush class\n * @class fabric.CircleBrush\n */\nfabric.CircleBrush = fabric.util.createClass(fabric.BaseBrush, /** @lends fabric.CircleBrush.prototype */ {\n\n  /**\n   * Width of a brush\n   * @type Number\n   * @default\n   */\n  width: 10,\n\n  /**\n   * Constructor\n   * @param {fabric.Canvas} canvas\n   * @return {fabric.CircleBrush} Instance of a circle brush\n   */\n  initialize: function(canvas) {\n    this.canvas = canvas;\n    this.points = [];\n  },\n\n  /**\n   * Invoked inside on mouse down and mouse move\n   * @param {Object} pointer\n   */\n  drawDot: function(pointer) {\n    var point = this.addPoint(pointer),\n        ctx = this.canvas.contextTop;\n    this._saveAndTransform(ctx);\n    this.dot(ctx, point);\n    ctx.restore();\n  },\n\n  dot: function(ctx, point) {\n    ctx.fillStyle = point.fill;\n    ctx.beginPath();\n    ctx.arc(point.x, point.y, point.radius, 0, Math.PI * 2, false);\n    ctx.closePath();\n    ctx.fill();\n  },\n\n  /**\n   * Invoked on mouse down\n   */\n  onMouseDown: function(pointer) {\n    this.points.length = 0;\n    this.canvas.clearContext(this.canvas.contextTop);\n    this._setShadow();\n    this.drawDot(pointer);\n  },\n\n  /**\n   * Render the full state of the brush\n   * @private\n   */\n  _render: function() {\n    var ctx  = this.canvas.contextTop, i, len,\n        points = this.points;\n    this._saveAndTransform(ctx);\n    for (i = 0, len = points.length; i < len; i++) {\n      this.dot(ctx, points[i]);\n    }\n    ctx.restore();\n  },\n\n  /**\n   * Invoked on mouse move\n   * @param {Object} pointer\n   */\n  onMouseMove: function(pointer) {\n    if (this.limitedToCanvasSize === true && this._isOutSideCanvas(pointer)) {\n      return;\n    }\n    if (this.needsFullRender()) {\n      this.canvas.clearContext(this.canvas.contextTop);\n      this.addPoint(pointer);\n      this._render();\n    }\n    else {\n      this.drawDot(pointer);\n    }\n  },\n\n  /**\n   * Invoked on mouse up\n   */\n  onMouseUp: function() {\n    var originalRenderOnAddRemove = this.canvas.renderOnAddRemove, i, len;\n    this.canvas.renderOnAddRemove = false;\n\n    var circles = [];\n\n    for (i = 0, len = this.points.length; i < len; i++) {\n      var point = this.points[i],\n          circle = new fabric.Circle({\n            radius: point.radius,\n            left: point.x,\n            top: point.y,\n            originX: 'center',\n            originY: 'center',\n            fill: point.fill\n          });\n\n      this.shadow && (circle.shadow = new fabric.Shadow(this.shadow));\n\n      circles.push(circle);\n    }\n    var group = new fabric.Group(circles);\n    group.canvas = this.canvas;\n\n    this.canvas.fire('before:path:created', { path: group });\n    this.canvas.add(group);\n    this.canvas.fire('path:created', { path: group });\n\n    this.canvas.clearContext(this.canvas.contextTop);\n    this._resetShadow();\n    this.canvas.renderOnAddRemove = originalRenderOnAddRemove;\n    this.canvas.requestRenderAll();\n  },\n\n  /**\n   * @param {Object} pointer\n   * @return {fabric.Point} Just added pointer point\n   */\n  addPoint: function(pointer) {\n    var pointerPoint = new fabric.Point(pointer.x, pointer.y),\n\n        circleRadius = fabric.util.getRandomInt(\n          Math.max(0, this.width - 20), this.width + 20) / 2,\n\n        circleColor = new fabric.Color(this.color)\n          .setAlpha(fabric.util.getRandomInt(0, 100) / 100)\n          .toRgba();\n\n    pointerPoint.radius = circleRadius;\n    pointerPoint.fill = circleColor;\n\n    this.points.push(pointerPoint);\n\n    return pointerPoint;\n  }\n});\n\n\n/**\n * SprayBrush class\n * @class fabric.SprayBrush\n */\nfabric.SprayBrush = fabric.util.createClass( fabric.BaseBrush, /** @lends fabric.SprayBrush.prototype */ {\n\n  /**\n   * Width of a spray\n   * @type Number\n   * @default\n   */\n  width:              10,\n\n  /**\n   * Density of a spray (number of dots per chunk)\n   * @type Number\n   * @default\n   */\n  density:            20,\n\n  /**\n   * Width of spray dots\n   * @type Number\n   * @default\n   */\n  dotWidth:           1,\n\n  /**\n   * Width variance of spray dots\n   * @type Number\n   * @default\n   */\n  dotWidthVariance:   1,\n\n  /**\n   * Whether opacity of a dot should be random\n   * @type Boolean\n   * @default\n   */\n  randomOpacity:        false,\n\n  /**\n   * Whether overlapping dots (rectangles) should be removed (for performance reasons)\n   * @type Boolean\n   * @default\n   */\n  optimizeOverlapping:  true,\n\n  /**\n   * Constructor\n   * @param {fabric.Canvas} canvas\n   * @return {fabric.SprayBrush} Instance of a spray brush\n   */\n  initialize: function(canvas) {\n    this.canvas = canvas;\n    this.sprayChunks = [];\n  },\n\n  /**\n   * Invoked on mouse down\n   * @param {Object} pointer\n   */\n  onMouseDown: function(pointer) {\n    this.sprayChunks.length = 0;\n    this.canvas.clearContext(this.canvas.contextTop);\n    this._setShadow();\n\n    this.addSprayChunk(pointer);\n    this.render(this.sprayChunkPoints);\n  },\n\n  /**\n   * Invoked on mouse move\n   * @param {Object} pointer\n   */\n  onMouseMove: function(pointer) {\n    if (this.limitedToCanvasSize === true && this._isOutSideCanvas(pointer)) {\n      return;\n    }\n    this.addSprayChunk(pointer);\n    this.render(this.sprayChunkPoints);\n  },\n\n  /**\n   * Invoked on mouse up\n   */\n  onMouseUp: function() {\n    var originalRenderOnAddRemove = this.canvas.renderOnAddRemove;\n    this.canvas.renderOnAddRemove = false;\n\n    var rects = [];\n\n    for (var i = 0, ilen = this.sprayChunks.length; i < ilen; i++) {\n      var sprayChunk = this.sprayChunks[i];\n\n      for (var j = 0, jlen = sprayChunk.length; j < jlen; j++) {\n\n        var rect = new fabric.Rect({\n          width: sprayChunk[j].width,\n          height: sprayChunk[j].width,\n          left: sprayChunk[j].x + 1,\n          top: sprayChunk[j].y + 1,\n          originX: 'center',\n          originY: 'center',\n          fill: this.color\n        });\n        rects.push(rect);\n      }\n    }\n\n    if (this.optimizeOverlapping) {\n      rects = this._getOptimizedRects(rects);\n    }\n\n    var group = new fabric.Group(rects);\n    this.shadow && group.set('shadow', new fabric.Shadow(this.shadow));\n    this.canvas.fire('before:path:created', { path: group });\n    this.canvas.add(group);\n    this.canvas.fire('path:created', { path: group });\n\n    this.canvas.clearContext(this.canvas.contextTop);\n    this._resetShadow();\n    this.canvas.renderOnAddRemove = originalRenderOnAddRemove;\n    this.canvas.requestRenderAll();\n  },\n\n  /**\n   * @private\n   * @param {Array} rects\n   */\n  _getOptimizedRects: function(rects) {\n\n    // avoid creating duplicate rects at the same coordinates\n    var uniqueRects = { }, key, i, len;\n\n    for (i = 0, len = rects.length; i < len; i++) {\n      key = rects[i].left + '' + rects[i].top;\n      if (!uniqueRects[key]) {\n        uniqueRects[key] = rects[i];\n      }\n    }\n    var uniqueRectsArray = [];\n    for (key in uniqueRects) {\n      uniqueRectsArray.push(uniqueRects[key]);\n    }\n\n    return uniqueRectsArray;\n  },\n\n  /**\n   * Render new chunk of spray brush\n   */\n  render: function(sprayChunk) {\n    var ctx = this.canvas.contextTop, i, len;\n    ctx.fillStyle = this.color;\n\n    this._saveAndTransform(ctx);\n\n    for (i = 0, len = sprayChunk.length; i < len; i++) {\n      var point = sprayChunk[i];\n      if (typeof point.opacity !== 'undefined') {\n        ctx.globalAlpha = point.opacity;\n      }\n      ctx.fillRect(point.x, point.y, point.width, point.width);\n    }\n    ctx.restore();\n  },\n\n  /**\n   * Render all spray chunks\n   */\n  _render: function() {\n    var ctx = this.canvas.contextTop, i, ilen;\n    ctx.fillStyle = this.color;\n\n    this._saveAndTransform(ctx);\n\n    for (i = 0, ilen = this.sprayChunks.length; i < ilen; i++) {\n      this.render(this.sprayChunks[i]);\n    }\n    ctx.restore();\n  },\n\n  /**\n   * @param {Object} pointer\n   */\n  addSprayChunk: function(pointer) {\n    this.sprayChunkPoints = [];\n\n    var x, y, width, radius = this.width / 2, i;\n\n    for (i = 0; i < this.density; i++) {\n\n      x = fabric.util.getRandomInt(pointer.x - radius, pointer.x + radius);\n      y = fabric.util.getRandomInt(pointer.y - radius, pointer.y + radius);\n\n      if (this.dotWidthVariance) {\n        width = fabric.util.getRandomInt(\n          // bottom clamp width to 1\n          Math.max(1, this.dotWidth - this.dotWidthVariance),\n          this.dotWidth + this.dotWidthVariance);\n      }\n      else {\n        width = this.dotWidth;\n      }\n\n      var point = new fabric.Point(x, y);\n      point.width = width;\n\n      if (this.randomOpacity) {\n        point.opacity = fabric.util.getRandomInt(0, 100) / 100;\n      }\n\n      this.sprayChunkPoints.push(point);\n    }\n\n    this.sprayChunks.push(this.sprayChunkPoints);\n  }\n});\n\n\n/**\n * PatternBrush class\n * @class fabric.PatternBrush\n * @extends fabric.BaseBrush\n */\nfabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fabric.PatternBrush.prototype */ {\n\n  getPatternSrc: function() {\n\n    var dotWidth = 20,\n        dotDistance = 5,\n        patternCanvas = fabric.util.createCanvasElement(),\n        patternCtx = patternCanvas.getContext('2d');\n\n    patternCanvas.width = patternCanvas.height = dotWidth + dotDistance;\n\n    patternCtx.fillStyle = this.color;\n    patternCtx.beginPath();\n    patternCtx.arc(dotWidth / 2, dotWidth / 2, dotWidth / 2, 0, Math.PI * 2, false);\n    patternCtx.closePath();\n    patternCtx.fill();\n\n    return patternCanvas;\n  },\n\n  getPatternSrcFunction: function() {\n    return String(this.getPatternSrc).replace('this.color', '\"' + this.color + '\"');\n  },\n\n  /**\n   * Creates \"pattern\" instance property\n   */\n  getPattern: function() {\n    return this.canvas.contextTop.createPattern(this.source || this.getPatternSrc(), 'repeat');\n  },\n\n  /**\n   * Sets brush styles\n   */\n  _setBrushStyles: function() {\n    this.callSuper('_setBrushStyles');\n    this.canvas.contextTop.strokeStyle = this.getPattern();\n  },\n\n  /**\n   * Creates path\n   */\n  createPath: function(pathData) {\n    var path = this.callSuper('createPath', pathData),\n        topLeft = path._getLeftTopCoords().scalarAdd(path.strokeWidth / 2);\n\n    path.stroke = new fabric.Pattern({\n      source: this.source || this.getPatternSrcFunction(),\n      offsetX: -topLeft.x,\n      offsetY: -topLeft.y\n    });\n    return path;\n  }\n});\n\n\n(function() {\n\n  var getPointer = fabric.util.getPointer,\n      degreesToRadians = fabric.util.degreesToRadians,\n      abs = Math.abs,\n      supportLineDash = fabric.StaticCanvas.supports('setLineDash'),\n      isTouchEvent = fabric.util.isTouchEvent,\n      STROKE_OFFSET = 0.5;\n\n  /**\n   * Canvas class\n   * @class fabric.Canvas\n   * @extends fabric.StaticCanvas\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-1#canvas}\n   * @see {@link fabric.Canvas#initialize} for constructor definition\n   *\n   * @fires object:modified at the end of a transform or any change when statefull is true\n   * @fires object:rotating while an object is being rotated from the control\n   * @fires object:scaling while an object is being scaled by controls\n   * @fires object:moving while an object is being dragged\n   * @fires object:skewing while an object is being skewed from the controls\n   *\n   * @fires before:transform before a transform is is started\n   * @fires before:selection:cleared\n   * @fires selection:cleared\n   * @fires selection:updated\n   * @fires selection:created\n   *\n   * @fires path:created after a drawing operation ends and the path is added\n   * @fires mouse:down\n   * @fires mouse:move\n   * @fires mouse:up\n   * @fires mouse:down:before  on mouse down, before the inner fabric logic runs\n   * @fires mouse:move:before on mouse move, before the inner fabric logic runs\n   * @fires mouse:up:before on mouse up, before the inner fabric logic runs\n   * @fires mouse:over\n   * @fires mouse:out\n   * @fires mouse:dblclick whenever a native dbl click event fires on the canvas.\n   *\n   * @fires dragover\n   * @fires dragenter\n   * @fires dragleave\n   * @fires drop\n   * @fires after:render at the end of the render process, receives the context in the callback\n   * @fires before:render at start the render process, receives the context in the callback\n   *\n   * the following events are deprecated:\n   * @fires object:rotated at the end of a rotation transform\n   * @fires object:scaled at the end of a scale transform\n   * @fires object:moved at the end of translation transform\n   * @fires object:skewed at the end of a skew transform\n   */\n  fabric.Canvas = fabric.util.createClass(fabric.StaticCanvas, /** @lends fabric.Canvas.prototype */ {\n\n    /**\n     * Constructor\n     * @param {HTMLElement | String} el &lt;canvas> element to initialize instance on\n     * @param {Object} [options] Options object\n     * @return {Object} thisArg\n     */\n    initialize: function(el, options) {\n      options || (options = { });\n      this.renderAndResetBound = this.renderAndReset.bind(this);\n      this.requestRenderAllBound = this.requestRenderAll.bind(this);\n      this._initStatic(el, options);\n      this._initInteractive();\n      this._createCacheCanvas();\n    },\n\n    /**\n     * When true, objects can be transformed by one side (unproportionally)\n     * when dragged on the corners that normally would not do that.\n     * @type Boolean\n     * @default\n     * @since fabric 4.0 // changed name and default value\n     */\n    uniformScaling:      true,\n\n    /**\n     * Indicates which key switches uniform scaling.\n     * values: 'altKey', 'shiftKey', 'ctrlKey'.\n     * If `null` or 'none' or any other string that is not a modifier key\n     * feature is disabled.\n     * totally wrong named. this sounds like `uniform scaling`\n     * if Canvas.uniformScaling is true, pressing this will set it to false\n     * and viceversa.\n     * @since 1.6.2\n     * @type String\n     * @default\n     */\n    uniScaleKey:           'shiftKey',\n\n    /**\n     * When true, objects use center point as the origin of scale transformation.\n     * <b>Backwards incompatibility note:</b> This property replaces \"centerTransform\" (Boolean).\n     * @since 1.3.4\n     * @type Boolean\n     * @default\n     */\n    centeredScaling:        false,\n\n    /**\n     * When true, objects use center point as the origin of rotate transformation.\n     * <b>Backwards incompatibility note:</b> This property replaces \"centerTransform\" (Boolean).\n     * @since 1.3.4\n     * @type Boolean\n     * @default\n     */\n    centeredRotation:       false,\n\n    /**\n     * Indicates which key enable centered Transform\n     * values: 'altKey', 'shiftKey', 'ctrlKey'.\n     * If `null` or 'none' or any other string that is not a modifier key\n     * feature is disabled feature disabled.\n     * @since 1.6.2\n     * @type String\n     * @default\n     */\n    centeredKey:           'altKey',\n\n    /**\n     * Indicates which key enable alternate action on corner\n     * values: 'altKey', 'shiftKey', 'ctrlKey'.\n     * If `null` or 'none' or any other string that is not a modifier key\n     * feature is disabled feature disabled.\n     * @since 1.6.2\n     * @type String\n     * @default\n     */\n    altActionKey:           'shiftKey',\n\n    /**\n     * Indicates that canvas is interactive. This property should not be changed.\n     * @type Boolean\n     * @default\n     */\n    interactive:            true,\n\n    /**\n     * Indicates whether group selection should be enabled\n     * @type Boolean\n     * @default\n     */\n    selection:              true,\n\n    /**\n     * Indicates which key or keys enable multiple click selection\n     * Pass value as a string or array of strings\n     * values: 'altKey', 'shiftKey', 'ctrlKey'.\n     * If `null` or empty or containing any other string that is not a modifier key\n     * feature is disabled.\n     * @since 1.6.2\n     * @type String|Array\n     * @default\n     */\n    selectionKey:           'shiftKey',\n\n    /**\n     * Indicates which key enable alternative selection\n     * in case of target overlapping with active object\n     * values: 'altKey', 'shiftKey', 'ctrlKey'.\n     * For a series of reason that come from the general expectations on how\n     * things should work, this feature works only for preserveObjectStacking true.\n     * If `null` or 'none' or any other string that is not a modifier key\n     * feature is disabled.\n     * @since 1.6.5\n     * @type null|String\n     * @default\n     */\n    altSelectionKey:           null,\n\n    /**\n     * Color of selection\n     * @type String\n     * @default\n     */\n    selectionColor:         'rgba(100, 100, 255, 0.3)', // blue\n\n    /**\n     * Default dash array pattern\n     * If not empty the selection border is dashed\n     * @type Array\n     */\n    selectionDashArray:     [],\n\n    /**\n     * Color of the border of selection (usually slightly darker than color of selection itself)\n     * @type String\n     * @default\n     */\n    selectionBorderColor:   'rgba(255, 255, 255, 0.3)',\n\n    /**\n     * Width of a line used in object/group selection\n     * @type Number\n     * @default\n     */\n    selectionLineWidth:     1,\n\n    /**\n     * Select only shapes that are fully contained in the dragged selection rectangle.\n     * @type Boolean\n     * @default\n     */\n    selectionFullyContained: false,\n\n    /**\n     * Default cursor value used when hovering over an object on canvas\n     * @type String\n     * @default\n     */\n    hoverCursor:            'move',\n\n    /**\n     * Default cursor value used when moving an object on canvas\n     * @type String\n     * @default\n     */\n    moveCursor:             'move',\n\n    /**\n     * Default cursor value used for the entire canvas\n     * @type String\n     * @default\n     */\n    defaultCursor:          'default',\n\n    /**\n     * Cursor value used during free drawing\n     * @type String\n     * @default\n     */\n    freeDrawingCursor:      'crosshair',\n\n    /**\n     * Cursor value used for rotation point\n     * @type String\n     * @default\n     */\n    rotationCursor:         'crosshair',\n\n    /**\n     * Cursor value used for disabled elements ( corners with disabled action )\n     * @type String\n     * @since 2.0.0\n     * @default\n     */\n    notAllowedCursor:         'not-allowed',\n\n    /**\n     * Default element class that's given to wrapper (div) element of canvas\n     * @type String\n     * @default\n     */\n    containerClass:         'canvas-container',\n\n    /**\n     * When true, object detection happens on per-pixel basis rather than on per-bounding-box\n     * @type Boolean\n     * @default\n     */\n    perPixelTargetFind:     false,\n\n    /**\n     * Number of pixels around target pixel to tolerate (consider active) during object detection\n     * @type Number\n     * @default\n     */\n    targetFindTolerance:    0,\n\n    /**\n     * When true, target detection is skipped. Target detection will return always undefined.\n     * click selection won't work anymore, events will fire with no targets.\n     * if something is selected before setting it to true, it will be deselected at the first click.\n     * area selection will still work. check the `selection` property too.\n     * if you deactivate both, you should look into staticCanvas.\n     * @type Boolean\n     * @default\n     */\n    skipTargetFind:         false,\n\n    /**\n     * When true, mouse events on canvas (mousedown/mousemove/mouseup) result in free drawing.\n     * After mousedown, mousemove creates a shape,\n     * and then mouseup finalizes it and adds an instance of `fabric.Path` onto canvas.\n     * @tutorial {@link http://fabricjs.com/fabric-intro-part-4#free_drawing}\n     * @type Boolean\n     * @default\n     */\n    isDrawingMode:          false,\n\n    /**\n     * Indicates whether objects should remain in current stack position when selected.\n     * When false objects are brought to top and rendered as part of the selection group\n     * @type Boolean\n     * @default\n     */\n    preserveObjectStacking: false,\n\n    /**\n     * Indicates the angle that an object will lock to while rotating.\n     * @type Number\n     * @since 1.6.7\n     * @default\n     */\n    snapAngle: 0,\n\n    /**\n     * Indicates the distance from the snapAngle the rotation will lock to the snapAngle.\n     * When `null`, the snapThreshold will default to the snapAngle.\n     * @type null|Number\n     * @since 1.6.7\n     * @default\n     */\n    snapThreshold: null,\n\n    /**\n     * Indicates if the right click on canvas can output the context menu or not\n     * @type Boolean\n     * @since 1.6.5\n     * @default\n     */\n    stopContextMenu: false,\n\n    /**\n     * Indicates if the canvas can fire right click events\n     * @type Boolean\n     * @since 1.6.5\n     * @default\n     */\n    fireRightClick: false,\n\n    /**\n     * Indicates if the canvas can fire middle click events\n     * @type Boolean\n     * @since 1.7.8\n     * @default\n     */\n    fireMiddleClick: false,\n\n    /**\n     * Keep track of the subTargets for Mouse Events\n     * @type fabric.Object[]\n     */\n    targets: [],\n\n    /**\n     * Keep track of the hovered target\n     * @type fabric.Object\n     * @private\n     */\n    _hoveredTarget: null,\n\n    /**\n     * hold the list of nested targets hovered\n     * @type fabric.Object[]\n     * @private\n     */\n    _hoveredTargets: [],\n\n    /**\n     * @private\n     */\n    _initInteractive: function() {\n      this._currentTransform = null;\n      this._groupSelector = null;\n      this._initWrapperElement();\n      this._createUpperCanvas();\n      this._initEventListeners();\n\n      this._initRetinaScaling();\n\n      this.freeDrawingBrush = fabric.PencilBrush && new fabric.PencilBrush(this);\n\n      this.calcOffset();\n    },\n\n    /**\n     * Divides objects in two groups, one to render immediately\n     * and one to render as activeGroup.\n     * @return {Array} objects to render immediately and pushes the other in the activeGroup.\n     */\n    _chooseObjectsToRender: function() {\n      var activeObjects = this.getActiveObjects(),\n          object, objsToRender, activeGroupObjects;\n\n      if (activeObjects.length > 0 && !this.preserveObjectStacking) {\n        objsToRender = [];\n        activeGroupObjects = [];\n        for (var i = 0, length = this._objects.length; i < length; i++) {\n          object = this._objects[i];\n          if (activeObjects.indexOf(object) === -1 ) {\n            objsToRender.push(object);\n          }\n          else {\n            activeGroupObjects.push(object);\n          }\n        }\n        if (activeObjects.length > 1) {\n          this._activeObject._objects = activeGroupObjects;\n        }\n        objsToRender.push.apply(objsToRender, activeGroupObjects);\n      }\n      else {\n        objsToRender = this._objects;\n      }\n      return objsToRender;\n    },\n\n    /**\n     * Renders both the top canvas and the secondary container canvas.\n     * @return {fabric.Canvas} instance\n     * @chainable\n     */\n    renderAll: function () {\n      if (this.contextTopDirty && !this._groupSelector && !this.isDrawingMode) {\n        this.clearContext(this.contextTop);\n        this.contextTopDirty = false;\n      }\n      if (this.hasLostContext) {\n        this.renderTopLayer(this.contextTop);\n      }\n      var canvasToDrawOn = this.contextContainer;\n      this.renderCanvas(canvasToDrawOn, this._chooseObjectsToRender());\n      return this;\n    },\n\n    renderTopLayer: function(ctx) {\n      ctx.save();\n      if (this.isDrawingMode && this._isCurrentlyDrawing) {\n        this.freeDrawingBrush && this.freeDrawingBrush._render();\n        this.contextTopDirty = true;\n      }\n      // we render the top context - last object\n      if (this.selection && this._groupSelector) {\n        this._drawSelection(ctx);\n        this.contextTopDirty = true;\n      }\n      ctx.restore();\n    },\n\n    /**\n     * Method to render only the top canvas.\n     * Also used to render the group selection box.\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    renderTop: function () {\n      var ctx = this.contextTop;\n      this.clearContext(ctx);\n      this.renderTopLayer(ctx);\n      this.fire('after:render');\n      return this;\n    },\n\n    /**\n     * @private\n     */\n    _normalizePointer: function (object, pointer) {\n      var m = object.calcTransformMatrix(),\n          invertedM = fabric.util.invertTransform(m),\n          vptPointer = this.restorePointerVpt(pointer);\n      return fabric.util.transformPoint(vptPointer, invertedM);\n    },\n\n    /**\n     * Returns true if object is transparent at a certain location\n     * @param {fabric.Object} target Object to check\n     * @param {Number} x Left coordinate\n     * @param {Number} y Top coordinate\n     * @return {Boolean}\n     */\n    isTargetTransparent: function (target, x, y) {\n      // in case the target is the activeObject, we cannot execute this optimization\n      // because we need to draw controls too.\n      if (target.shouldCache() && target._cacheCanvas && target !== this._activeObject) {\n        var normalizedPointer = this._normalizePointer(target, {x: x, y: y}),\n            targetRelativeX = Math.max(target.cacheTranslationX + (normalizedPointer.x * target.zoomX), 0),\n            targetRelativeY = Math.max(target.cacheTranslationY + (normalizedPointer.y * target.zoomY), 0);\n\n        var isTransparent = fabric.util.isTransparent(\n          target._cacheContext, Math.round(targetRelativeX), Math.round(targetRelativeY), this.targetFindTolerance);\n\n        return isTransparent;\n      }\n\n      var ctx = this.contextCache,\n          originalColor = target.selectionBackgroundColor, v = this.viewportTransform;\n\n      target.selectionBackgroundColor = '';\n\n      this.clearContext(ctx);\n\n      ctx.save();\n      ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]);\n      target.render(ctx);\n      ctx.restore();\n\n      target.selectionBackgroundColor = originalColor;\n\n      var isTransparent = fabric.util.isTransparent(\n        ctx, x, y, this.targetFindTolerance);\n\n      return isTransparent;\n    },\n\n    /**\n     * takes an event and determines if selection key has been pressed\n     * @private\n     * @param {Event} e Event object\n     */\n    _isSelectionKeyPressed: function(e) {\n      var selectionKeyPressed = false;\n\n      if (Object.prototype.toString.call(this.selectionKey) === '[object Array]') {\n        selectionKeyPressed = !!this.selectionKey.find(function(key) { return e[key] === true; });\n      }\n      else {\n        selectionKeyPressed = e[this.selectionKey];\n      }\n\n      return selectionKeyPressed;\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object\n     * @param {fabric.Object} target\n     */\n    _shouldClearSelection: function (e, target) {\n      var activeObjects = this.getActiveObjects(),\n          activeObject = this._activeObject;\n\n      return (\n        !target\n        ||\n        (target &&\n          activeObject &&\n          activeObjects.length > 1 &&\n          activeObjects.indexOf(target) === -1 &&\n          activeObject !== target &&\n          !this._isSelectionKeyPressed(e))\n        ||\n        (target && !target.evented)\n        ||\n        (target &&\n          !target.selectable &&\n          activeObject &&\n          activeObject !== target)\n      );\n    },\n\n    /**\n     * centeredScaling from object can't override centeredScaling from canvas.\n     * this should be fixed, since object setting should take precedence over canvas.\n     * also this should be something that will be migrated in the control properties.\n     * as ability to define the origin of the transformation that the control provide.\n     * @private\n     * @param {fabric.Object} target\n     * @param {String} action\n     * @param {Boolean} altKey\n     */\n    _shouldCenterTransform: function (target, action, altKey) {\n      if (!target) {\n        return;\n      }\n\n      var centerTransform;\n\n      if (action === 'scale' || action === 'scaleX' || action === 'scaleY' || action === 'resizing') {\n        centerTransform = this.centeredScaling || target.centeredScaling;\n      }\n      else if (action === 'rotate') {\n        centerTransform = this.centeredRotation || target.centeredRotation;\n      }\n\n      return centerTransform ? !altKey : altKey;\n    },\n\n    /**\n     * should disappear before release 4.0\n     * @private\n     */\n    _getOriginFromCorner: function(target, corner) {\n      var origin = {\n        x: target.originX,\n        y: target.originY\n      };\n\n      if (corner === 'ml' || corner === 'tl' || corner === 'bl') {\n        origin.x = 'right';\n      }\n      else if (corner === 'mr' || corner === 'tr' || corner === 'br') {\n        origin.x = 'left';\n      }\n\n      if (corner === 'tl' || corner === 'mt' || corner === 'tr') {\n        origin.y = 'bottom';\n      }\n      else if (corner === 'bl' || corner === 'mb' || corner === 'br') {\n        origin.y = 'top';\n      }\n      return origin;\n    },\n\n    /**\n     * @private\n     * @param {Boolean} alreadySelected true if target is already selected\n     * @param {String} corner a string representing the corner ml, mr, tl ...\n     * @param {Event} e Event object\n     * @param {fabric.Object} [target] inserted back to help overriding. Unused\n     */\n    _getActionFromCorner: function(alreadySelected, corner, e, target) {\n      if (!corner || !alreadySelected) {\n        return 'drag';\n      }\n      var control = target.controls[corner];\n      return control.getActionName(e, control, target);\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object\n     * @param {fabric.Object} target\n     */\n    _setupCurrentTransform: function (e, target, alreadySelected) {\n      if (!target) {\n        return;\n      }\n\n      var pointer = this.getPointer(e), corner = target.__corner,\n          control = target.controls[corner],\n          actionHandler = (alreadySelected && corner) ?\n            control.getActionHandler(e, target, control) : fabric.controlsUtils.dragHandler,\n          action = this._getActionFromCorner(alreadySelected, corner, e, target),\n          origin = this._getOriginFromCorner(target, corner),\n          altKey = e[this.centeredKey],\n          transform = {\n            target: target,\n            action: action,\n            actionHandler: actionHandler,\n            corner: corner,\n            scaleX: target.scaleX,\n            scaleY: target.scaleY,\n            skewX: target.skewX,\n            skewY: target.skewY,\n            // used by transation\n            offsetX: pointer.x - target.left,\n            offsetY: pointer.y - target.top,\n            originX: origin.x,\n            originY: origin.y,\n            ex: pointer.x,\n            ey: pointer.y,\n            lastX: pointer.x,\n            lastY: pointer.y,\n            // unsure they are useful anymore.\n            // left: target.left,\n            // top: target.top,\n            theta: degreesToRadians(target.angle),\n            // end of unsure\n            width: target.width * target.scaleX,\n            shiftKey: e.shiftKey,\n            altKey: altKey,\n            original: fabric.util.saveObjectTransform(target),\n          };\n\n      if (this._shouldCenterTransform(target, action, altKey)) {\n        transform.originX = 'center';\n        transform.originY = 'center';\n      }\n      transform.original.originX = origin.x;\n      transform.original.originY = origin.y;\n      this._currentTransform = transform;\n      this._beforeTransform(e);\n    },\n\n    /**\n     * Set the cursor type of the canvas element\n     * @param {String} value Cursor type of the canvas element.\n     * @see http://www.w3.org/TR/css3-ui/#cursor\n     */\n    setCursor: function (value) {\n      this.upperCanvasEl.style.cursor = value;\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx to draw the selection on\n     */\n    _drawSelection: function (ctx) {\n      var groupSelector = this._groupSelector,\n          left = groupSelector.left,\n          top = groupSelector.top,\n          aleft = abs(left),\n          atop = abs(top);\n\n      if (this.selectionColor) {\n        ctx.fillStyle = this.selectionColor;\n\n        ctx.fillRect(\n          groupSelector.ex - ((left > 0) ? 0 : -left),\n          groupSelector.ey - ((top > 0) ? 0 : -top),\n          aleft,\n          atop\n        );\n      }\n\n      if (!this.selectionLineWidth || !this.selectionBorderColor) {\n        return;\n      }\n      ctx.lineWidth = this.selectionLineWidth;\n      ctx.strokeStyle = this.selectionBorderColor;\n\n      // selection border\n      if (this.selectionDashArray.length > 1 && !supportLineDash) {\n\n        var px = groupSelector.ex + STROKE_OFFSET - ((left > 0) ? 0 : aleft),\n            py = groupSelector.ey + STROKE_OFFSET - ((top > 0) ? 0 : atop);\n\n        ctx.beginPath();\n\n        fabric.util.drawDashedLine(ctx, px, py, px + aleft, py, this.selectionDashArray);\n        fabric.util.drawDashedLine(ctx, px, py + atop - 1, px + aleft, py + atop - 1, this.selectionDashArray);\n        fabric.util.drawDashedLine(ctx, px, py, px, py + atop, this.selectionDashArray);\n        fabric.util.drawDashedLine(ctx, px + aleft - 1, py, px + aleft - 1, py + atop, this.selectionDashArray);\n\n        ctx.closePath();\n        ctx.stroke();\n      }\n      else {\n        fabric.Object.prototype._setLineDash.call(this, ctx, this.selectionDashArray);\n        ctx.strokeRect(\n          groupSelector.ex + STROKE_OFFSET - ((left > 0) ? 0 : aleft),\n          groupSelector.ey + STROKE_OFFSET - ((top > 0) ? 0 : atop),\n          aleft,\n          atop\n        );\n      }\n    },\n\n    /**\n     * Method that determines what object we are clicking on\n     * the skipGroup parameter is for internal use, is needed for shift+click action\n     * 11/09/2018 TODO: would be cool if findTarget could discern between being a full target\n     * or the outside part of the corner.\n     * @param {Event} e mouse event\n     * @param {Boolean} skipGroup when true, activeGroup is skipped and only objects are traversed through\n     * @return {fabric.Object} the target found\n     */\n    findTarget: function (e, skipGroup) {\n      if (this.skipTargetFind) {\n        return;\n      }\n\n      var ignoreZoom = true,\n          pointer = this.getPointer(e, ignoreZoom),\n          activeObject = this._activeObject,\n          aObjects = this.getActiveObjects(),\n          activeTarget, activeTargetSubs,\n          isTouch = isTouchEvent(e),\n          shouldLookForActive = (aObjects.length > 1 && !skipGroup) || aObjects.length === 1;\n\n      // first check current group (if one exists)\n      // active group does not check sub targets like normal groups.\n      // if active group just exits.\n      this.targets = [];\n\n      // if we hit the corner of an activeObject, let's return that.\n      if (shouldLookForActive && activeObject._findTargetCorner(pointer, isTouch)) {\n        return activeObject;\n      }\n      if (aObjects.length > 1 && !skipGroup && activeObject === this._searchPossibleTargets([activeObject], pointer)) {\n        return activeObject;\n      }\n      if (aObjects.length === 1 &&\n        activeObject === this._searchPossibleTargets([activeObject], pointer)) {\n        if (!this.preserveObjectStacking) {\n          return activeObject;\n        }\n        else {\n          activeTarget = activeObject;\n          activeTargetSubs = this.targets;\n          this.targets = [];\n        }\n      }\n      var target = this._searchPossibleTargets(this._objects, pointer);\n      if (e[this.altSelectionKey] && target && activeTarget && target !== activeTarget) {\n        target = activeTarget;\n        this.targets = activeTargetSubs;\n      }\n      return target;\n    },\n\n    /**\n     * Checks point is inside the object.\n     * @param {Object} [pointer] x,y object of point coordinates we want to check.\n     * @param {fabric.Object} obj Object to test against\n     * @param {Object} [globalPointer] x,y object of point coordinates relative to canvas used to search per pixel target.\n     * @return {Boolean} true if point is contained within an area of given object\n     * @private\n     */\n    _checkTarget: function(pointer, obj, globalPointer) {\n      if (obj &&\n          obj.visible &&\n          obj.evented &&\n          // http://www.geog.ubc.ca/courses/klink/gis.notes/ncgia/u32.html\n          // http://idav.ucdavis.edu/~okreylos/TAship/Spring2000/PointInPolygon.html\n          obj.containsPoint(pointer)\n      ) {\n        if ((this.perPixelTargetFind || obj.perPixelTargetFind) && !obj.isEditing) {\n          var isTransparent = this.isTargetTransparent(obj, globalPointer.x, globalPointer.y);\n          if (!isTransparent) {\n            return true;\n          }\n        }\n        else {\n          return true;\n        }\n      }\n    },\n\n    /**\n     * Function used to search inside objects an object that contains pointer in bounding box or that contains pointerOnCanvas when painted\n     * @param {Array} [objects] objects array to look into\n     * @param {Object} [pointer] x,y object of point coordinates we want to check.\n     * @return {fabric.Object} object that contains pointer\n     * @private\n     */\n    _searchPossibleTargets: function(objects, pointer) {\n      // Cache all targets where their bounding box contains point.\n      var target, i = objects.length, subTarget;\n      // Do not check for currently grouped objects, since we check the parent group itself.\n      // until we call this function specifically to search inside the activeGroup\n      while (i--) {\n        var objToCheck = objects[i];\n        var pointerToUse = objToCheck.group ?\n          this._normalizePointer(objToCheck.group, pointer) : pointer;\n        if (this._checkTarget(pointerToUse, objToCheck, pointer)) {\n          target = objects[i];\n          if (target.subTargetCheck && target instanceof fabric.Group) {\n            subTarget = this._searchPossibleTargets(target._objects, pointer);\n            subTarget && this.targets.push(subTarget);\n          }\n          break;\n        }\n      }\n      return target;\n    },\n\n    /**\n     * Returns pointer coordinates without the effect of the viewport\n     * @param {Object} pointer with \"x\" and \"y\" number values\n     * @return {Object} object with \"x\" and \"y\" number values\n     */\n    restorePointerVpt: function(pointer) {\n      return fabric.util.transformPoint(\n        pointer,\n        fabric.util.invertTransform(this.viewportTransform)\n      );\n    },\n\n    /**\n     * Returns pointer coordinates relative to canvas.\n     * Can return coordinates with or without viewportTransform.\n     * ignoreZoom false gives back coordinates that represent\n     * the point clicked on canvas element.\n     * ignoreZoom true gives back coordinates after being processed\n     * by the viewportTransform ( sort of coordinates of what is displayed\n     * on the canvas where you are clicking.\n     * ignoreZoom true = HTMLElement coordinates relative to top,left\n     * ignoreZoom false, default = fabric space coordinates, the same used for shape position\n     * To interact with your shapes top and left you want to use ignoreZoom true\n     * most of the time, while ignoreZoom false will give you coordinates\n     * compatible with the object.oCoords system.\n     * of the time.\n     * @param {Event} e\n     * @param {Boolean} ignoreZoom\n     * @return {Object} object with \"x\" and \"y\" number values\n     */\n    getPointer: function (e, ignoreZoom) {\n      // return cached values if we are in the event processing chain\n      if (this._absolutePointer && !ignoreZoom) {\n        return this._absolutePointer;\n      }\n      if (this._pointer && ignoreZoom) {\n        return this._pointer;\n      }\n\n      var pointer = getPointer(e),\n          upperCanvasEl = this.upperCanvasEl,\n          bounds = upperCanvasEl.getBoundingClientRect(),\n          boundsWidth = bounds.width || 0,\n          boundsHeight = bounds.height || 0,\n          cssScale;\n\n      if (!boundsWidth || !boundsHeight ) {\n        if ('top' in bounds && 'bottom' in bounds) {\n          boundsHeight = Math.abs( bounds.top - bounds.bottom );\n        }\n        if ('right' in bounds && 'left' in bounds) {\n          boundsWidth = Math.abs( bounds.right - bounds.left );\n        }\n      }\n\n      this.calcOffset();\n      pointer.x = pointer.x - this._offset.left;\n      pointer.y = pointer.y - this._offset.top;\n      if (!ignoreZoom) {\n        pointer = this.restorePointerVpt(pointer);\n      }\n\n      var retinaScaling = this.getRetinaScaling();\n      if (retinaScaling !== 1) {\n        pointer.x /= retinaScaling;\n        pointer.y /= retinaScaling;\n      }\n\n      if (boundsWidth === 0 || boundsHeight === 0) {\n        // If bounds are not available (i.e. not visible), do not apply scale.\n        cssScale = { width: 1, height: 1 };\n      }\n      else {\n        cssScale = {\n          width: upperCanvasEl.width / boundsWidth,\n          height: upperCanvasEl.height / boundsHeight\n        };\n      }\n\n      return {\n        x: pointer.x * cssScale.width,\n        y: pointer.y * cssScale.height\n      };\n    },\n\n    /**\n     * @private\n     * @throws {CANVAS_INIT_ERROR} If canvas can not be initialized\n     */\n    _createUpperCanvas: function () {\n      var lowerCanvasClass = this.lowerCanvasEl.className.replace(/\\s*lower-canvas\\s*/, ''),\n          lowerCanvasEl = this.lowerCanvasEl, upperCanvasEl = this.upperCanvasEl;\n\n      // there is no need to create a new upperCanvas element if we have already one.\n      if (upperCanvasEl) {\n        upperCanvasEl.className = '';\n      }\n      else {\n        upperCanvasEl = this._createCanvasElement();\n        this.upperCanvasEl = upperCanvasEl;\n      }\n      fabric.util.addClass(upperCanvasEl, 'upper-canvas ' + lowerCanvasClass);\n\n      this.wrapperEl.appendChild(upperCanvasEl);\n\n      this._copyCanvasStyle(lowerCanvasEl, upperCanvasEl);\n      this._applyCanvasStyle(upperCanvasEl);\n      this.contextTop = upperCanvasEl.getContext('2d');\n    },\n\n    /**\n     * @private\n     */\n    _createCacheCanvas: function () {\n      this.cacheCanvasEl = this._createCanvasElement();\n      this.cacheCanvasEl.setAttribute('width', this.width);\n      this.cacheCanvasEl.setAttribute('height', this.height);\n      this.contextCache = this.cacheCanvasEl.getContext('2d');\n    },\n\n    /**\n     * @private\n     */\n    _initWrapperElement: function () {\n      this.wrapperEl = fabric.util.wrapElement(this.lowerCanvasEl, 'div', {\n        'class': this.containerClass\n      });\n      fabric.util.setStyle(this.wrapperEl, {\n        width: this.width + 'px',\n        height: this.height + 'px',\n        position: 'relative'\n      });\n      fabric.util.makeElementUnselectable(this.wrapperEl);\n    },\n\n    /**\n     * @private\n     * @param {HTMLElement} element canvas element to apply styles on\n     */\n    _applyCanvasStyle: function (element) {\n      var width = this.width || element.width,\n          height = this.height || element.height;\n\n      fabric.util.setStyle(element, {\n        position: 'absolute',\n        width: width + 'px',\n        height: height + 'px',\n        left: 0,\n        top: 0,\n        'touch-action': this.allowTouchScrolling ? 'manipulation' : 'none',\n        '-ms-touch-action': this.allowTouchScrolling ? 'manipulation' : 'none'\n      });\n      element.width = width;\n      element.height = height;\n      fabric.util.makeElementUnselectable(element);\n    },\n\n    /**\n     * Copy the entire inline style from one element (fromEl) to another (toEl)\n     * @private\n     * @param {Element} fromEl Element style is copied from\n     * @param {Element} toEl Element copied style is applied to\n     */\n    _copyCanvasStyle: function (fromEl, toEl) {\n      toEl.style.cssText = fromEl.style.cssText;\n    },\n\n    /**\n     * Returns context of canvas where object selection is drawn\n     * @return {CanvasRenderingContext2D}\n     */\n    getSelectionContext: function() {\n      return this.contextTop;\n    },\n\n    /**\n     * Returns &lt;canvas> element on which object selection is drawn\n     * @return {HTMLCanvasElement}\n     */\n    getSelectionElement: function () {\n      return this.upperCanvasEl;\n    },\n\n    /**\n     * Returns currently active object\n     * @return {fabric.Object} active object\n     */\n    getActiveObject: function () {\n      return this._activeObject;\n    },\n\n    /**\n     * Returns an array with the current selected objects\n     * @return {fabric.Object} active object\n     */\n    getActiveObjects: function () {\n      var active = this._activeObject;\n      if (active) {\n        if (active.type === 'activeSelection' && active._objects) {\n          return active._objects.slice(0);\n        }\n        else {\n          return [active];\n        }\n      }\n      return [];\n    },\n\n    /**\n     * @private\n     * @param {fabric.Object} obj Object that was removed\n     */\n    _onObjectRemoved: function(obj) {\n      // removing active object should fire \"selection:cleared\" events\n      if (obj === this._activeObject) {\n        this.fire('before:selection:cleared', { target: obj });\n        this._discardActiveObject();\n        this.fire('selection:cleared', { target: obj });\n        obj.fire('deselected');\n      }\n      if (obj === this._hoveredTarget){\n        this._hoveredTarget = null;\n        this._hoveredTargets = [];\n      }\n      this.callSuper('_onObjectRemoved', obj);\n    },\n\n    /**\n     * @private\n     * Compares the old activeObject with the current one and fires correct events\n     * @param {fabric.Object} obj old activeObject\n     */\n    _fireSelectionEvents: function(oldObjects, e) {\n      var somethingChanged = false, objects = this.getActiveObjects(),\n          added = [], removed = [];\n      oldObjects.forEach(function(oldObject) {\n        if (objects.indexOf(oldObject) === -1) {\n          somethingChanged = true;\n          oldObject.fire('deselected', {\n            e: e,\n            target: oldObject\n          });\n          removed.push(oldObject);\n        }\n      });\n      objects.forEach(function(object) {\n        if (oldObjects.indexOf(object) === -1) {\n          somethingChanged = true;\n          object.fire('selected', {\n            e: e,\n            target: object\n          });\n          added.push(object);\n        }\n      });\n      if (oldObjects.length > 0 && objects.length > 0) {\n        somethingChanged && this.fire('selection:updated', {\n          e: e,\n          selected: added,\n          deselected: removed,\n          // added for backward compatibility\n          // deprecated\n          updated: added[0] || removed[0],\n          target: this._activeObject,\n        });\n      }\n      else if (objects.length > 0) {\n        this.fire('selection:created', {\n          e: e,\n          selected: added,\n          target: this._activeObject,\n        });\n      }\n      else if (oldObjects.length > 0) {\n        this.fire('selection:cleared', {\n          e: e,\n          deselected: removed,\n        });\n      }\n    },\n\n    /**\n     * Sets given object as the only active object on canvas\n     * @param {fabric.Object} object Object to set as an active one\n     * @param {Event} [e] Event (passed along when firing \"object:selected\")\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    setActiveObject: function (object, e) {\n      var currentActives = this.getActiveObjects();\n      this._setActiveObject(object, e);\n      this._fireSelectionEvents(currentActives, e);\n      return this;\n    },\n\n    /**\n     * This is a private method for now.\n     * This is supposed to be equivalent to setActiveObject but without firing\n     * any event. There is commitment to have this stay this way.\n     * This is the functional part of setActiveObject.\n     * @private\n     * @param {Object} object to set as active\n     * @param {Event} [e] Event (passed along when firing \"object:selected\")\n     * @return {Boolean} true if the selection happened\n     */\n    _setActiveObject: function(object, e) {\n      if (this._activeObject === object) {\n        return false;\n      }\n      if (!this._discardActiveObject(e, object)) {\n        return false;\n      }\n      if (object.onSelect({ e: e })) {\n        return false;\n      }\n      this._activeObject = object;\n      return true;\n    },\n\n    /**\n     * This is a private method for now.\n     * This is supposed to be equivalent to discardActiveObject but without firing\n     * any events. There is commitment to have this stay this way.\n     * This is the functional part of discardActiveObject.\n     * @param {Event} [e] Event (passed along when firing \"object:deselected\")\n     * @param {Object} object to set as active\n     * @return {Boolean} true if the selection happened\n     * @private\n     */\n    _discardActiveObject: function(e, object) {\n      var obj = this._activeObject;\n      if (obj) {\n        // onDeselect return TRUE to cancel selection;\n        if (obj.onDeselect({ e: e, object: object })) {\n          return false;\n        }\n        this._activeObject = null;\n      }\n      return true;\n    },\n\n    /**\n     * Discards currently active object and fire events. If the function is called by fabric\n     * as a consequence of a mouse event, the event is passed as a parameter and\n     * sent to the fire function for the custom events. When used as a method the\n     * e param does not have any application.\n     * @param {event} e\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    discardActiveObject: function (e) {\n      var currentActives = this.getActiveObjects(), activeObject = this.getActiveObject();\n      if (currentActives.length) {\n        this.fire('before:selection:cleared', { target: activeObject, e: e });\n      }\n      this._discardActiveObject(e);\n      this._fireSelectionEvents(currentActives, e);\n      return this;\n    },\n\n    /**\n     * Clears a canvas element and removes all event listeners\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    dispose: function () {\n      var wrapper = this.wrapperEl;\n      this.removeListeners();\n      wrapper.removeChild(this.upperCanvasEl);\n      wrapper.removeChild(this.lowerCanvasEl);\n      this.contextCache = null;\n      this.contextTop = null;\n      ['upperCanvasEl', 'cacheCanvasEl'].forEach((function(element) {\n        fabric.util.cleanUpJsdomNode(this[element]);\n        this[element] = undefined;\n      }).bind(this));\n      if (wrapper.parentNode) {\n        wrapper.parentNode.replaceChild(this.lowerCanvasEl, this.wrapperEl);\n      }\n      delete this.wrapperEl;\n      fabric.StaticCanvas.prototype.dispose.call(this);\n      return this;\n    },\n\n    /**\n     * Clears all contexts (background, main, top) of an instance\n     * @return {fabric.Canvas} thisArg\n     * @chainable\n     */\n    clear: function () {\n      // this.discardActiveGroup();\n      this.discardActiveObject();\n      this.clearContext(this.contextTop);\n      return this.callSuper('clear');\n    },\n\n    /**\n     * Draws objects' controls (borders/controls)\n     * @param {CanvasRenderingContext2D} ctx Context to render controls on\n     */\n    drawControls: function(ctx) {\n      var activeObject = this._activeObject;\n\n      if (activeObject) {\n        activeObject._renderControls(ctx);\n      }\n    },\n\n    /**\n     * @private\n     */\n    _toObject: function(instance, methodName, propertiesToInclude) {\n      //If the object is part of the current selection group, it should\n      //be transformed appropriately\n      //i.e. it should be serialised as it would appear if the selection group\n      //were to be destroyed.\n      var originalProperties = this._realizeGroupTransformOnObject(instance),\n          object = this.callSuper('_toObject', instance, methodName, propertiesToInclude);\n      //Undo the damage we did by changing all of its properties\n      this._unwindGroupTransformOnObject(instance, originalProperties);\n      return object;\n    },\n\n    /**\n     * Realises an object's group transformation on it\n     * @private\n     * @param {fabric.Object} [instance] the object to transform (gets mutated)\n     * @returns the original values of instance which were changed\n     */\n    _realizeGroupTransformOnObject: function(instance) {\n      if (instance.group && instance.group.type === 'activeSelection' && this._activeObject === instance.group) {\n        var layoutProps = ['angle', 'flipX', 'flipY', 'left', 'scaleX', 'scaleY', 'skewX', 'skewY', 'top'];\n        //Copy all the positionally relevant properties across now\n        var originalValues = {};\n        layoutProps.forEach(function(prop) {\n          originalValues[prop] = instance[prop];\n        });\n        fabric.util.addTransformToObject(instance, this._activeObject.calcOwnMatrix());\n        return originalValues;\n      }\n      else {\n        return null;\n      }\n    },\n\n    /**\n     * Restores the changed properties of instance\n     * @private\n     * @param {fabric.Object} [instance] the object to un-transform (gets mutated)\n     * @param {Object} [originalValues] the original values of instance, as returned by _realizeGroupTransformOnObject\n     */\n    _unwindGroupTransformOnObject: function(instance, originalValues) {\n      if (originalValues) {\n        instance.set(originalValues);\n      }\n    },\n\n    /**\n     * @private\n     */\n    _setSVGObject: function(markup, instance, reviver) {\n      //If the object is in a selection group, simulate what would happen to that\n      //object when the group is deselected\n      var originalProperties = this._realizeGroupTransformOnObject(instance);\n      this.callSuper('_setSVGObject', markup, instance, reviver);\n      this._unwindGroupTransformOnObject(instance, originalProperties);\n    },\n\n    setViewportTransform: function (vpt) {\n      if (this.renderOnAddRemove && this._activeObject && this._activeObject.isEditing) {\n        this._activeObject.clearContextTop();\n      }\n      fabric.StaticCanvas.prototype.setViewportTransform.call(this, vpt);\n    }\n  });\n\n  // copying static properties manually to work around Opera's bug,\n  // where \"prototype\" property is enumerable and overrides existing prototype\n  for (var prop in fabric.StaticCanvas) {\n    if (prop !== 'prototype') {\n      fabric.Canvas[prop] = fabric.StaticCanvas[prop];\n    }\n  }\n})();\n\n\n(function() {\n\n  var addListener = fabric.util.addListener,\n      removeListener = fabric.util.removeListener,\n      RIGHT_CLICK = 3, MIDDLE_CLICK = 2, LEFT_CLICK = 1,\n      addEventOptions = { passive: false };\n\n  function checkClick(e, value) {\n    return e.button && (e.button === value - 1);\n  }\n\n  fabric.util.object.extend(fabric.Canvas.prototype, /** @lends fabric.Canvas.prototype */ {\n\n    /**\n     * Contains the id of the touch event that owns the fabric transform\n     * @type Number\n     * @private\n     */\n    mainTouchId: null,\n\n    /**\n     * Adds mouse listeners to canvas\n     * @private\n     */\n    _initEventListeners: function () {\n      // in case we initialized the class twice. This should not happen normally\n      // but in some kind of applications where the canvas element may be changed\n      // this is a workaround to having double listeners.\n      this.removeListeners();\n      this._bindEvents();\n      this.addOrRemove(addListener, 'add');\n    },\n\n    /**\n     * return an event prefix pointer or mouse.\n     * @private\n     */\n    _getEventPrefix: function () {\n      return this.enablePointerEvents ? 'pointer' : 'mouse';\n    },\n\n    addOrRemove: function(functor, eventjsFunctor) {\n      var canvasElement = this.upperCanvasEl,\n          eventTypePrefix = this._getEventPrefix();\n      functor(fabric.window, 'resize', this._onResize);\n      functor(canvasElement, eventTypePrefix + 'down', this._onMouseDown);\n      functor(canvasElement, eventTypePrefix + 'move', this._onMouseMove, addEventOptions);\n      functor(canvasElement, eventTypePrefix + 'out', this._onMouseOut);\n      functor(canvasElement, eventTypePrefix + 'enter', this._onMouseEnter);\n      functor(canvasElement, 'wheel', this._onMouseWheel);\n      functor(canvasElement, 'contextmenu', this._onContextMenu);\n      functor(canvasElement, 'dblclick', this._onDoubleClick);\n      functor(canvasElement, 'dragover', this._onDragOver);\n      functor(canvasElement, 'dragenter', this._onDragEnter);\n      functor(canvasElement, 'dragleave', this._onDragLeave);\n      functor(canvasElement, 'drop', this._onDrop);\n      if (!this.enablePointerEvents) {\n        functor(canvasElement, 'touchstart', this._onTouchStart, addEventOptions);\n      }\n      if (typeof eventjs !== 'undefined' && eventjsFunctor in eventjs) {\n        eventjs[eventjsFunctor](canvasElement, 'gesture', this._onGesture);\n        eventjs[eventjsFunctor](canvasElement, 'drag', this._onDrag);\n        eventjs[eventjsFunctor](canvasElement, 'orientation', this._onOrientationChange);\n        eventjs[eventjsFunctor](canvasElement, 'shake', this._onShake);\n        eventjs[eventjsFunctor](canvasElement, 'longpress', this._onLongPress);\n      }\n    },\n\n    /**\n     * Removes all event listeners\n     */\n    removeListeners: function() {\n      this.addOrRemove(removeListener, 'remove');\n      // if you dispose on a mouseDown, before mouse up, you need to clean document to...\n      var eventTypePrefix = this._getEventPrefix();\n      removeListener(fabric.document, eventTypePrefix + 'up', this._onMouseUp);\n      removeListener(fabric.document, 'touchend', this._onTouchEnd, addEventOptions);\n      removeListener(fabric.document, eventTypePrefix + 'move', this._onMouseMove, addEventOptions);\n      removeListener(fabric.document, 'touchmove', this._onMouseMove, addEventOptions);\n    },\n\n    /**\n     * @private\n     */\n    _bindEvents: function() {\n      if (this.eventsBound) {\n        // for any reason we pass here twice we do not want to bind events twice.\n        return;\n      }\n      this._onMouseDown = this._onMouseDown.bind(this);\n      this._onTouchStart = this._onTouchStart.bind(this);\n      this._onMouseMove = this._onMouseMove.bind(this);\n      this._onMouseUp = this._onMouseUp.bind(this);\n      this._onTouchEnd = this._onTouchEnd.bind(this);\n      this._onResize = this._onResize.bind(this);\n      this._onGesture = this._onGesture.bind(this);\n      this._onDrag = this._onDrag.bind(this);\n      this._onShake = this._onShake.bind(this);\n      this._onLongPress = this._onLongPress.bind(this);\n      this._onOrientationChange = this._onOrientationChange.bind(this);\n      this._onMouseWheel = this._onMouseWheel.bind(this);\n      this._onMouseOut = this._onMouseOut.bind(this);\n      this._onMouseEnter = this._onMouseEnter.bind(this);\n      this._onContextMenu = this._onContextMenu.bind(this);\n      this._onDoubleClick = this._onDoubleClick.bind(this);\n      this._onDragOver = this._onDragOver.bind(this);\n      this._onDragEnter = this._simpleEventHandler.bind(this, 'dragenter');\n      this._onDragLeave = this._simpleEventHandler.bind(this, 'dragleave');\n      this._onDrop = this._simpleEventHandler.bind(this, 'drop');\n      this.eventsBound = true;\n    },\n\n    /**\n     * @private\n     * @param {Event} [e] Event object fired on Event.js gesture\n     * @param {Event} [self] Inner Event object\n     */\n    _onGesture: function(e, self) {\n      this.__onTransformGesture && this.__onTransformGesture(e, self);\n    },\n\n    /**\n     * @private\n     * @param {Event} [e] Event object fired on Event.js drag\n     * @param {Event} [self] Inner Event object\n     */\n    _onDrag: function(e, self) {\n      this.__onDrag && this.__onDrag(e, self);\n    },\n\n    /**\n     * @private\n     * @param {Event} [e] Event object fired on wheel event\n     */\n    _onMouseWheel: function(e) {\n      this.__onMouseWheel(e);\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object fired on mousedown\n     */\n    _onMouseOut: function(e) {\n      var target = this._hoveredTarget;\n      this.fire('mouse:out', { target: target, e: e });\n      this._hoveredTarget = null;\n      target && target.fire('mouseout', { e: e });\n\n      var _this = this;\n      this._hoveredTargets.forEach(function(_target){\n        _this.fire('mouse:out', { target: target, e: e });\n        _target && target.fire('mouseout', { e: e });\n      });\n      this._hoveredTargets = [];\n\n      if (this._iTextInstances) {\n        this._iTextInstances.forEach(function(obj) {\n          if (obj.isEditing) {\n            obj.hiddenTextarea.focus();\n          }\n        });\n      }\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object fired on mouseenter\n     */\n    _onMouseEnter: function(e) {\n      // This find target and consequent 'mouse:over' is used to\n      // clear old instances on hovered target.\n      // calling findTarget has the side effect of killing target.__corner.\n      // as a short term fix we are not firing this if we are currently transforming.\n      // as a long term fix we need to separate the action of finding a target with the\n      // side effects we added to it.\n      if (!this._currentTransform && !this.findTarget(e)) {\n        this.fire('mouse:over', { target: null, e: e });\n        this._hoveredTarget = null;\n        this._hoveredTargets = [];\n      }\n    },\n\n    /**\n     * @private\n     * @param {Event} [e] Event object fired on Event.js orientation change\n     * @param {Event} [self] Inner Event object\n     */\n    _onOrientationChange: function(e, self) {\n      this.__onOrientationChange && this.__onOrientationChange(e, self);\n    },\n\n    /**\n     * @private\n     * @param {Event} [e] Event object fired on Event.js shake\n     * @param {Event} [self] Inner Event object\n     */\n    _onShake: function(e, self) {\n      this.__onShake && this.__onShake(e, self);\n    },\n\n    /**\n     * @private\n     * @param {Event} [e] Event object fired on Event.js shake\n     * @param {Event} [self] Inner Event object\n     */\n    _onLongPress: function(e, self) {\n      this.__onLongPress && this.__onLongPress(e, self);\n    },\n\n    /**\n     * prevent default to allow drop event to be fired\n     * @private\n     * @param {Event} [e] Event object fired on Event.js shake\n     */\n    _onDragOver: function(e) {\n      e.preventDefault();\n      var target = this._simpleEventHandler('dragover', e);\n      this._fireEnterLeaveEvents(target, e);\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object fired on mousedown\n     */\n    _onContextMenu: function (e) {\n      if (this.stopContextMenu) {\n        e.stopPropagation();\n        e.preventDefault();\n      }\n      return false;\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object fired on mousedown\n     */\n    _onDoubleClick: function (e) {\n      this._cacheTransformEventData(e);\n      this._handleEvent(e, 'dblclick');\n      this._resetTransformEventData(e);\n    },\n\n    /**\n     * Return a the id of an event.\n     * returns either the pointerId or the identifier or 0 for the mouse event\n     * @private\n     * @param {Event} evt Event object\n     */\n    getPointerId: function(evt) {\n      var changedTouches = evt.changedTouches;\n\n      if (changedTouches) {\n        return changedTouches[0] && changedTouches[0].identifier;\n      }\n\n      if (this.enablePointerEvents) {\n        return evt.pointerId;\n      }\n\n      return -1;\n    },\n\n    /**\n     * Determines if an event has the id of the event that is considered main\n     * @private\n     * @param {evt} event Event object\n     */\n    _isMainEvent: function(evt) {\n      if (evt.isPrimary === true) {\n        return true;\n      }\n      if (evt.isPrimary === false) {\n        return false;\n      }\n      if (evt.type === 'touchend' && evt.touches.length === 0) {\n        return true;\n      }\n      if (evt.changedTouches) {\n        return evt.changedTouches[0].identifier === this.mainTouchId;\n      }\n      return true;\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object fired on mousedown\n     */\n    _onTouchStart: function(e) {\n      e.preventDefault();\n      if (this.mainTouchId === null) {\n        this.mainTouchId = this.getPointerId(e);\n      }\n      this.__onMouseDown(e);\n      this._resetTransformEventData();\n      var canvasElement = this.upperCanvasEl,\n          eventTypePrefix = this._getEventPrefix();\n      addListener(fabric.document, 'touchend', this._onTouchEnd, addEventOptions);\n      addListener(fabric.document, 'touchmove', this._onMouseMove, addEventOptions);\n      // Unbind mousedown to prevent double triggers from touch devices\n      removeListener(canvasElement, eventTypePrefix + 'down', this._onMouseDown);\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object fired on mousedown\n     */\n    _onMouseDown: function (e) {\n      this.__onMouseDown(e);\n      this._resetTransformEventData();\n      var canvasElement = this.upperCanvasEl,\n          eventTypePrefix = this._getEventPrefix();\n      removeListener(canvasElement, eventTypePrefix + 'move', this._onMouseMove, addEventOptions);\n      addListener(fabric.document, eventTypePrefix + 'up', this._onMouseUp);\n      addListener(fabric.document, eventTypePrefix + 'move', this._onMouseMove, addEventOptions);\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object fired on mousedown\n     */\n    _onTouchEnd: function(e) {\n      if (e.touches.length > 0) {\n        // if there are still touches stop here\n        return;\n      }\n      this.__onMouseUp(e);\n      this._resetTransformEventData();\n      this.mainTouchId = null;\n      var eventTypePrefix = this._getEventPrefix();\n      removeListener(fabric.document, 'touchend', this._onTouchEnd, addEventOptions);\n      removeListener(fabric.document, 'touchmove', this._onMouseMove, addEventOptions);\n      var _this = this;\n      if (this._willAddMouseDown) {\n        clearTimeout(this._willAddMouseDown);\n      }\n      this._willAddMouseDown = setTimeout(function() {\n        // Wait 400ms before rebinding mousedown to prevent double triggers\n        // from touch devices\n        addListener(_this.upperCanvasEl, eventTypePrefix + 'down', _this._onMouseDown);\n        _this._willAddMouseDown = 0;\n      }, 400);\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object fired on mouseup\n     */\n    _onMouseUp: function (e) {\n      this.__onMouseUp(e);\n      this._resetTransformEventData();\n      var canvasElement = this.upperCanvasEl,\n          eventTypePrefix = this._getEventPrefix();\n      if (this._isMainEvent(e)) {\n        removeListener(fabric.document, eventTypePrefix + 'up', this._onMouseUp);\n        removeListener(fabric.document, eventTypePrefix + 'move', this._onMouseMove, addEventOptions);\n        addListener(canvasElement, eventTypePrefix + 'move', this._onMouseMove, addEventOptions);\n      }\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object fired on mousemove\n     */\n    _onMouseMove: function (e) {\n      !this.allowTouchScrolling && e.preventDefault && e.preventDefault();\n      this.__onMouseMove(e);\n    },\n\n    /**\n     * @private\n     */\n    _onResize: function () {\n      this.calcOffset();\n    },\n\n    /**\n     * Decides whether the canvas should be redrawn in mouseup and mousedown events.\n     * @private\n     * @param {Object} target\n     */\n    _shouldRender: function(target) {\n      var activeObject = this._activeObject;\n\n      if (\n        !!activeObject !== !!target ||\n        (activeObject && target && (activeObject !== target))\n      ) {\n        // this covers: switch of target, from target to no target, selection of target\n        // multiSelection with key and mouse\n        return true;\n      }\n      else if (activeObject && activeObject.isEditing) {\n        // if we mouse up/down over a editing textbox a cursor change,\n        // there is no need to re render\n        return false;\n      }\n      return false;\n    },\n\n    /**\n     * Method that defines the actions when mouse is released on canvas.\n     * The method resets the currentTransform parameters, store the image corner\n     * position in the image object and render the canvas on top.\n     * @private\n     * @param {Event} e Event object fired on mouseup\n     */\n    __onMouseUp: function (e) {\n      var target, transform = this._currentTransform,\n          groupSelector = this._groupSelector, shouldRender = false,\n          isClick = (!groupSelector || (groupSelector.left === 0 && groupSelector.top === 0));\n      this._cacheTransformEventData(e);\n      target = this._target;\n      this._handleEvent(e, 'up:before');\n      // if right/middle click just fire events and return\n      // target undefined will make the _handleEvent search the target\n      if (checkClick(e, RIGHT_CLICK)) {\n        if (this.fireRightClick) {\n          this._handleEvent(e, 'up', RIGHT_CLICK, isClick);\n        }\n        return;\n      }\n\n      if (checkClick(e, MIDDLE_CLICK)) {\n        if (this.fireMiddleClick) {\n          this._handleEvent(e, 'up', MIDDLE_CLICK, isClick);\n        }\n        this._resetTransformEventData();\n        return;\n      }\n\n      if (this.isDrawingMode && this._isCurrentlyDrawing) {\n        this._onMouseUpInDrawingMode(e);\n        return;\n      }\n\n      if (!this._isMainEvent(e)) {\n        return;\n      }\n      if (transform) {\n        this._finalizeCurrentTransform(e);\n        shouldRender = transform.actionPerformed;\n      }\n      if (!isClick) {\n        var targetWasActive = target === this._activeObject;\n        this._maybeGroupObjects(e);\n        if (!shouldRender) {\n          shouldRender = (\n            this._shouldRender(target) ||\n            (!targetWasActive && target === this._activeObject)\n          );\n        }\n      }\n      if (target) {\n        if (target.selectable && target !== this._activeObject && target.activeOn === 'up') {\n          this.setActiveObject(target, e);\n          shouldRender = true;\n        }\n        else {\n          var corner = target._findTargetCorner(\n            this.getPointer(e, true),\n            fabric.util.isTouchEvent(e)\n          );\n          var control = target.controls[corner],\n              mouseUpHandler = control && control.getMouseUpHandler(e, target, control);\n          if (mouseUpHandler) {\n            var pointer = this.getPointer(e);\n            mouseUpHandler(e, transform, pointer.x, pointer.y);\n          }\n        }\n        target.isMoving = false;\n      }\n      this._setCursorFromEvent(e, target);\n      this._handleEvent(e, 'up', LEFT_CLICK, isClick);\n      this._groupSelector = null;\n      this._currentTransform = null;\n      // reset the target information about which corner is selected\n      target && (target.__corner = 0);\n      if (shouldRender) {\n        this.requestRenderAll();\n      }\n      else if (!isClick) {\n        this.renderTop();\n      }\n    },\n\n    /**\n     * @private\n     * Handle event firing for target and subtargets\n     * @param {Event} e event from mouse\n     * @param {String} eventType event to fire (up, down or move)\n     * @return {Fabric.Object} target return the the target found, for internal reasons.\n     */\n    _simpleEventHandler: function(eventType, e) {\n      var target = this.findTarget(e),\n          targets = this.targets,\n          options = {\n            e: e,\n            target: target,\n            subTargets: targets,\n          };\n      this.fire(eventType, options);\n      target && target.fire(eventType, options);\n      if (!targets) {\n        return target;\n      }\n      for (var i = 0; i < targets.length; i++) {\n        targets[i].fire(eventType, options);\n      }\n      return target;\n    },\n\n    /**\n     * @private\n     * Handle event firing for target and subtargets\n     * @param {Event} e event from mouse\n     * @param {String} eventType event to fire (up, down or move)\n     * @param {fabric.Object} targetObj receiving event\n     * @param {Number} [button] button used in the event 1 = left, 2 = middle, 3 = right\n     * @param {Boolean} isClick for left button only, indicates that the mouse up happened without move.\n     */\n    _handleEvent: function(e, eventType, button, isClick) {\n      var target = this._target,\n          targets = this.targets || [],\n          options = {\n            e: e,\n            target: target,\n            subTargets: targets,\n            button: button || LEFT_CLICK,\n            isClick: isClick || false,\n            pointer: this._pointer,\n            absolutePointer: this._absolutePointer,\n            transform: this._currentTransform\n          };\n      if (eventType === 'up') {\n        options.currentTarget = this.findTarget(e);\n        options.currentSubTargets = this.targets;\n      }\n      this.fire('mouse:' + eventType, options);\n      target && target.fire('mouse' + eventType, options);\n      for (var i = 0; i < targets.length; i++) {\n        targets[i].fire('mouse' + eventType, options);\n      }\n    },\n\n    /**\n     * @private\n     * @param {Event} e send the mouse event that generate the finalize down, so it can be used in the event\n     */\n    _finalizeCurrentTransform: function(e) {\n\n      var transform = this._currentTransform,\n          target = transform.target,\n          eventName,\n          options = {\n            e: e,\n            target: target,\n            transform: transform,\n            action: transform.action,\n          };\n\n      if (target._scaling) {\n        target._scaling = false;\n      }\n\n      target.setCoords();\n\n      if (transform.actionPerformed || (this.stateful && target.hasStateChanged())) {\n        if (transform.actionPerformed) {\n          // this is not friendly to the new control api.\n          // is deprecated.\n          eventName = this._addEventOptions(options, transform);\n          this._fire(eventName, options);\n        }\n        this._fire('modified', options);\n      }\n    },\n\n    /**\n     * Mutate option object in order to add by property and give back the event name.\n     * @private\n     * @deprecated since 4.2.0\n     * @param {Object} options to mutate\n     * @param {Object} transform to inspect action from\n     */\n    _addEventOptions: function(options, transform) {\n      // we can probably add more details at low cost\n      // scale change, rotation changes, translation changes\n      var eventName, by;\n      switch (transform.action) {\n        case 'scaleX':\n          eventName = 'scaled';\n          by = 'x';\n          break;\n        case 'scaleY':\n          eventName = 'scaled';\n          by = 'y';\n          break;\n        case 'skewX':\n          eventName = 'skewed';\n          by = 'x';\n          break;\n        case 'skewY':\n          eventName = 'skewed';\n          by = 'y';\n          break;\n        case 'scale':\n          eventName = 'scaled';\n          by = 'equally';\n          break;\n        case 'rotate':\n          eventName = 'rotated';\n          break;\n        case 'drag':\n          eventName = 'moved';\n          break;\n      }\n      options.by = by;\n      return eventName;\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object fired on mousedown\n     */\n    _onMouseDownInDrawingMode: function(e) {\n      this._isCurrentlyDrawing = true;\n      if (this.getActiveObject()) {\n        this.discardActiveObject(e).requestRenderAll();\n      }\n      var pointer = this.getPointer(e);\n      this.freeDrawingBrush.onMouseDown(pointer, { e: e, pointer: pointer });\n      this._handleEvent(e, 'down');\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object fired on mousemove\n     */\n    _onMouseMoveInDrawingMode: function(e) {\n      if (this._isCurrentlyDrawing) {\n        var pointer = this.getPointer(e);\n        this.freeDrawingBrush.onMouseMove(pointer, { e: e, pointer: pointer });\n      }\n      this.setCursor(this.freeDrawingCursor);\n      this._handleEvent(e, 'move');\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object fired on mouseup\n     */\n    _onMouseUpInDrawingMode: function(e) {\n      var pointer = this.getPointer(e);\n      this._isCurrentlyDrawing = this.freeDrawingBrush.onMouseUp({ e: e, pointer: pointer });\n      this._handleEvent(e, 'up');\n    },\n\n    /**\n     * Method that defines the actions when mouse is clicked on canvas.\n     * The method inits the currentTransform parameters and renders all the\n     * canvas so the current image can be placed on the top canvas and the rest\n     * in on the container one.\n     * @private\n     * @param {Event} e Event object fired on mousedown\n     */\n    __onMouseDown: function (e) {\n      this._cacheTransformEventData(e);\n      this._handleEvent(e, 'down:before');\n      var target = this._target;\n      // if right click just fire events\n      if (checkClick(e, RIGHT_CLICK)) {\n        if (this.fireRightClick) {\n          this._handleEvent(e, 'down', RIGHT_CLICK);\n        }\n        return;\n      }\n\n      if (checkClick(e, MIDDLE_CLICK)) {\n        if (this.fireMiddleClick) {\n          this._handleEvent(e, 'down', MIDDLE_CLICK);\n        }\n        return;\n      }\n\n      if (this.isDrawingMode) {\n        this._onMouseDownInDrawingMode(e);\n        return;\n      }\n\n      if (!this._isMainEvent(e)) {\n        return;\n      }\n\n      // ignore if some object is being transformed at this moment\n      if (this._currentTransform) {\n        return;\n      }\n\n      var pointer = this._pointer;\n      // save pointer for check in __onMouseUp event\n      this._previousPointer = pointer;\n      var shouldRender = this._shouldRender(target),\n          shouldGroup = this._shouldGroup(e, target);\n      if (this._shouldClearSelection(e, target)) {\n        this.discardActiveObject(e);\n      }\n      else if (shouldGroup) {\n        this._handleGrouping(e, target);\n        target = this._activeObject;\n      }\n\n      if (this.selection && (!target ||\n        (!target.selectable && !target.isEditing && target !== this._activeObject))) {\n        this._groupSelector = {\n          ex: pointer.x,\n          ey: pointer.y,\n          top: 0,\n          left: 0\n        };\n      }\n\n      if (target) {\n        var alreadySelected = target === this._activeObject;\n        if (target.selectable && target.activeOn === 'down') {\n          this.setActiveObject(target, e);\n        }\n        var corner = target._findTargetCorner(\n          this.getPointer(e, true),\n          fabric.util.isTouchEvent(e)\n        );\n        target.__corner = corner;\n        if (target === this._activeObject && (corner || !shouldGroup)) {\n          this._setupCurrentTransform(e, target, alreadySelected);\n          var control = target.controls[corner],\n              pointer = this.getPointer(e),\n              mouseDownHandler = control && control.getMouseDownHandler(e, target, control);\n          if (mouseDownHandler) {\n            mouseDownHandler(e, this._currentTransform, pointer.x, pointer.y);\n          }\n        }\n      }\n      this._handleEvent(e, 'down');\n      // we must renderAll so that we update the visuals\n      (shouldRender || shouldGroup) && this.requestRenderAll();\n    },\n\n    /**\n     * reset cache form common information needed during event processing\n     * @private\n     */\n    _resetTransformEventData: function() {\n      this._target = null;\n      this._pointer = null;\n      this._absolutePointer = null;\n    },\n\n    /**\n     * Cache common information needed during event processing\n     * @private\n     * @param {Event} e Event object fired on event\n     */\n    _cacheTransformEventData: function(e) {\n      // reset in order to avoid stale caching\n      this._resetTransformEventData();\n      this._pointer = this.getPointer(e, true);\n      this._absolutePointer = this.restorePointerVpt(this._pointer);\n      this._target = this._currentTransform ? this._currentTransform.target : this.findTarget(e) || null;\n    },\n\n    /**\n     * @private\n     */\n    _beforeTransform: function(e) {\n      var t = this._currentTransform;\n      this.stateful && t.target.saveState();\n      this.fire('before:transform', {\n        e: e,\n        transform: t,\n      });\n    },\n\n    /**\n     * Method that defines the actions when mouse is hovering the canvas.\n     * The currentTransform parameter will define whether the user is rotating/scaling/translating\n     * an image or neither of them (only hovering). A group selection is also possible and would cancel\n     * all any other type of action.\n     * In case of an image transformation only the top canvas will be rendered.\n     * @private\n     * @param {Event} e Event object fired on mousemove\n     */\n    __onMouseMove: function (e) {\n      this._handleEvent(e, 'move:before');\n      this._cacheTransformEventData(e);\n      var target, pointer;\n\n      if (this.isDrawingMode) {\n        this._onMouseMoveInDrawingMode(e);\n        return;\n      }\n\n      if (!this._isMainEvent(e)) {\n        return;\n      }\n\n      var groupSelector = this._groupSelector;\n\n      // We initially clicked in an empty area, so we draw a box for multiple selection\n      if (groupSelector) {\n        pointer = this._pointer;\n\n        groupSelector.left = pointer.x - groupSelector.ex;\n        groupSelector.top = pointer.y - groupSelector.ey;\n\n        this.renderTop();\n      }\n      else if (!this._currentTransform) {\n        target = this.findTarget(e) || null;\n        this._setCursorFromEvent(e, target);\n        this._fireOverOutEvents(target, e);\n      }\n      else {\n        this._transformObject(e);\n      }\n      this._handleEvent(e, 'move');\n      this._resetTransformEventData();\n    },\n\n    /**\n     * Manage the mouseout, mouseover events for the fabric object on the canvas\n     * @param {Fabric.Object} target the target where the target from the mousemove event\n     * @param {Event} e Event object fired on mousemove\n     * @private\n     */\n    _fireOverOutEvents: function(target, e) {\n      var _hoveredTarget = this._hoveredTarget,\n          _hoveredTargets = this._hoveredTargets, targets = this.targets,\n          length = Math.max(_hoveredTargets.length, targets.length);\n\n      this.fireSyntheticInOutEvents(target, e, {\n        oldTarget: _hoveredTarget,\n        evtOut: 'mouseout',\n        canvasEvtOut: 'mouse:out',\n        evtIn: 'mouseover',\n        canvasEvtIn: 'mouse:over',\n      });\n      for (var i = 0; i < length; i++){\n        this.fireSyntheticInOutEvents(targets[i], e, {\n          oldTarget: _hoveredTargets[i],\n          evtOut: 'mouseout',\n          evtIn: 'mouseover',\n        });\n      }\n      this._hoveredTarget = target;\n      this._hoveredTargets = this.targets.concat();\n    },\n\n    /**\n     * Manage the dragEnter, dragLeave events for the fabric objects on the canvas\n     * @param {Fabric.Object} target the target where the target from the onDrag event\n     * @param {Event} e Event object fired on ondrag\n     * @private\n     */\n    _fireEnterLeaveEvents: function(target, e) {\n      var _draggedoverTarget = this._draggedoverTarget,\n          _hoveredTargets = this._hoveredTargets, targets = this.targets,\n          length = Math.max(_hoveredTargets.length, targets.length);\n\n      this.fireSyntheticInOutEvents(target, e, {\n        oldTarget: _draggedoverTarget,\n        evtOut: 'dragleave',\n        evtIn: 'dragenter',\n      });\n      for (var i = 0; i < length; i++) {\n        this.fireSyntheticInOutEvents(targets[i], e, {\n          oldTarget: _hoveredTargets[i],\n          evtOut: 'dragleave',\n          evtIn: 'dragenter',\n        });\n      }\n      this._draggedoverTarget = target;\n    },\n\n    /**\n     * Manage the synthetic in/out events for the fabric objects on the canvas\n     * @param {Fabric.Object} target the target where the target from the supported events\n     * @param {Event} e Event object fired\n     * @param {Object} config configuration for the function to work\n     * @param {String} config.targetName property on the canvas where the old target is stored\n     * @param {String} [config.canvasEvtOut] name of the event to fire at canvas level for out\n     * @param {String} config.evtOut name of the event to fire for out\n     * @param {String} [config.canvasEvtIn] name of the event to fire at canvas level for in\n     * @param {String} config.evtIn name of the event to fire for in\n     * @private\n     */\n    fireSyntheticInOutEvents: function(target, e, config) {\n      var inOpt, outOpt, oldTarget = config.oldTarget, outFires, inFires,\n          targetChanged = oldTarget !== target, canvasEvtIn = config.canvasEvtIn, canvasEvtOut = config.canvasEvtOut;\n      if (targetChanged) {\n        inOpt = { e: e, target: target, previousTarget: oldTarget };\n        outOpt = { e: e, target: oldTarget, nextTarget: target };\n      }\n      inFires = target && targetChanged;\n      outFires = oldTarget && targetChanged;\n      if (outFires) {\n        canvasEvtOut && this.fire(canvasEvtOut, outOpt);\n        oldTarget.fire(config.evtOut, outOpt);\n      }\n      if (inFires) {\n        canvasEvtIn && this.fire(canvasEvtIn, inOpt);\n        target.fire(config.evtIn, inOpt);\n      }\n    },\n\n    /**\n     * Method that defines actions when an Event Mouse Wheel\n     * @param {Event} e Event object fired on mouseup\n     */\n    __onMouseWheel: function(e) {\n      this._cacheTransformEventData(e);\n      this._handleEvent(e, 'wheel');\n      this._resetTransformEventData();\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event fired on mousemove\n     */\n    _transformObject: function(e) {\n      var pointer = this.getPointer(e),\n          transform = this._currentTransform;\n\n      transform.reset = false;\n      transform.shiftKey = e.shiftKey;\n      transform.altKey = e[this.centeredKey];\n\n      this._performTransformAction(e, transform, pointer);\n      transform.actionPerformed && this.requestRenderAll();\n    },\n\n    /**\n     * @private\n     */\n    _performTransformAction: function(e, transform, pointer) {\n      var x = pointer.x,\n          y = pointer.y,\n          action = transform.action,\n          actionPerformed = false,\n          actionHandler = transform.actionHandler;\n          // this object could be created from the function in the control handlers\n\n\n      if (actionHandler) {\n        actionPerformed = actionHandler(e, transform, x, y);\n      }\n      if (action === 'drag' && actionPerformed) {\n        transform.target.isMoving = true;\n        this.setCursor(transform.target.moveCursor || this.moveCursor);\n      }\n      transform.actionPerformed = transform.actionPerformed || actionPerformed;\n    },\n\n    /**\n     * @private\n     */\n    _fire: fabric.controlsUtils.fireEvent,\n\n    /**\n     * Sets the cursor depending on where the canvas is being hovered.\n     * Note: very buggy in Opera\n     * @param {Event} e Event object\n     * @param {Object} target Object that the mouse is hovering, if so.\n     */\n    _setCursorFromEvent: function (e, target) {\n      if (!target) {\n        this.setCursor(this.defaultCursor);\n        return false;\n      }\n      var hoverCursor = target.hoverCursor || this.hoverCursor,\n          activeSelection = this._activeObject && this._activeObject.type === 'activeSelection' ?\n            this._activeObject : null,\n          // only show proper corner when group selection is not active\n          corner = (!activeSelection || !activeSelection.contains(target))\n          // here we call findTargetCorner always with undefined for the touch parameter.\n          // we assume that if you are using a cursor you do not need to interact with\n          // the bigger touch area.\n                    && target._findTargetCorner(this.getPointer(e, true));\n\n      if (!corner) {\n        if (target.subTargetCheck){\n          // hoverCursor should come from top-most subTarget,\n          // so we walk the array backwards\n          this.targets.concat().reverse().map(function(_target){\n            hoverCursor = _target.hoverCursor || hoverCursor;\n          });\n        }\n        this.setCursor(hoverCursor);\n      }\n      else {\n        this.setCursor(this.getCornerCursor(corner, target, e));\n      }\n    },\n\n    /**\n     * @private\n     */\n    getCornerCursor: function(corner, target, e) {\n      var control = target.controls[corner];\n      return control.cursorStyleHandler(e, control, target);\n    }\n  });\n})();\n\n\n(function() {\n\n  var min = Math.min,\n      max = Math.max;\n\n  fabric.util.object.extend(fabric.Canvas.prototype, /** @lends fabric.Canvas.prototype */ {\n\n    /**\n     * @private\n     * @param {Event} e Event object\n     * @param {fabric.Object} target\n     * @return {Boolean}\n     */\n    _shouldGroup: function(e, target) {\n      var activeObject = this._activeObject;\n      return activeObject && this._isSelectionKeyPressed(e) && target && target.selectable && this.selection &&\n            (activeObject !== target || activeObject.type === 'activeSelection') && !target.onSelect({ e: e });\n    },\n\n    /**\n     * @private\n     * @param {Event} e Event object\n     * @param {fabric.Object} target\n     */\n    _handleGrouping: function (e, target) {\n      var activeObject = this._activeObject;\n      // avoid multi select when shift click on a corner\n      if (activeObject.__corner) {\n        return;\n      }\n      if (target === activeObject) {\n        // if it's a group, find target again, using activeGroup objects\n        target = this.findTarget(e, true);\n        // if even object is not found or we are on activeObjectCorner, bail out\n        if (!target || !target.selectable) {\n          return;\n        }\n      }\n      if (activeObject && activeObject.type === 'activeSelection') {\n        this._updateActiveSelection(target, e);\n      }\n      else {\n        this._createActiveSelection(target, e);\n      }\n    },\n\n    /**\n     * @private\n     */\n    _updateActiveSelection: function(target, e) {\n      var activeSelection = this._activeObject,\n          currentActiveObjects = activeSelection._objects.slice(0);\n      if (activeSelection.contains(target)) {\n        activeSelection.removeWithUpdate(target);\n        this._hoveredTarget = target;\n        this._hoveredTargets = this.targets.concat();\n        if (activeSelection.size() === 1) {\n          // activate last remaining object\n          this._setActiveObject(activeSelection.item(0), e);\n        }\n      }\n      else {\n        activeSelection.addWithUpdate(target);\n        this._hoveredTarget = activeSelection;\n        this._hoveredTargets = this.targets.concat();\n      }\n      this._fireSelectionEvents(currentActiveObjects, e);\n    },\n\n    /**\n     * @private\n     */\n    _createActiveSelection: function(target, e) {\n      var currentActives = this.getActiveObjects(), group = this._createGroup(target);\n      this._hoveredTarget = group;\n      // ISSUE 4115: should we consider subTargets here?\n      // this._hoveredTargets = [];\n      // this._hoveredTargets = this.targets.concat();\n      this._setActiveObject(group, e);\n      this._fireSelectionEvents(currentActives, e);\n    },\n\n    /**\n     * @private\n     * @param {Object} target\n     */\n    _createGroup: function(target) {\n      var objects = this._objects,\n          isActiveLower = objects.indexOf(this._activeObject) < objects.indexOf(target),\n          groupObjects = isActiveLower\n            ? [this._activeObject, target]\n            : [target, this._activeObject];\n      this._activeObject.isEditing && this._activeObject.exitEditing();\n      return new fabric.ActiveSelection(groupObjects, {\n        canvas: this\n      });\n    },\n\n    /**\n     * @private\n     * @param {Event} e mouse event\n     */\n    _groupSelectedObjects: function (e) {\n\n      var group = this._collectObjects(e),\n          aGroup;\n\n      // do not create group for 1 element only\n      if (group.length === 1) {\n        this.setActiveObject(group[0], e);\n      }\n      else if (group.length > 1) {\n        aGroup = new fabric.ActiveSelection(group.reverse(), {\n          canvas: this\n        });\n        this.setActiveObject(aGroup, e);\n      }\n    },\n\n    /**\n     * @private\n     */\n    _collectObjects: function(e) {\n      var group = [],\n          currentObject,\n          x1 = this._groupSelector.ex,\n          y1 = this._groupSelector.ey,\n          x2 = x1 + this._groupSelector.left,\n          y2 = y1 + this._groupSelector.top,\n          selectionX1Y1 = new fabric.Point(min(x1, x2), min(y1, y2)),\n          selectionX2Y2 = new fabric.Point(max(x1, x2), max(y1, y2)),\n          allowIntersect = !this.selectionFullyContained,\n          isClick = x1 === x2 && y1 === y2;\n      // we iterate reverse order to collect top first in case of click.\n      for (var i = this._objects.length; i--; ) {\n        currentObject = this._objects[i];\n\n        if (!currentObject || !currentObject.selectable || !currentObject.visible) {\n          continue;\n        }\n\n        if ((allowIntersect && currentObject.intersectsWithRect(selectionX1Y1, selectionX2Y2)) ||\n            currentObject.isContainedWithinRect(selectionX1Y1, selectionX2Y2) ||\n            (allowIntersect && currentObject.containsPoint(selectionX1Y1)) ||\n            (allowIntersect && currentObject.containsPoint(selectionX2Y2))\n        ) {\n          group.push(currentObject);\n          // only add one object if it's a click\n          if (isClick) {\n            break;\n          }\n        }\n      }\n\n      if (group.length > 1) {\n        group = group.filter(function(object) {\n          return !object.onSelect({ e: e });\n        });\n      }\n\n      return group;\n    },\n\n    /**\n     * @private\n     */\n    _maybeGroupObjects: function(e) {\n      if (this.selection && this._groupSelector) {\n        this._groupSelectedObjects(e);\n      }\n      this.setCursor(this.defaultCursor);\n      // clear selection and current transformation\n      this._groupSelector = null;\n    }\n  });\n\n})();\n\n\n(function () {\n  fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.StaticCanvas.prototype */ {\n\n    /**\n     * Exports canvas element to a dataurl image. Note that when multiplier is used, cropping is scaled appropriately\n     * @param {Object} [options] Options object\n     * @param {String} [options.format=png] The format of the output image. Either \"jpeg\" or \"png\"\n     * @param {Number} [options.quality=1] Quality level (0..1). Only used for jpeg.\n     * @param {Number} [options.multiplier=1] Multiplier to scale by, to have consistent\n     * @param {Number} [options.left] Cropping left offset. Introduced in v1.2.14\n     * @param {Number} [options.top] Cropping top offset. Introduced in v1.2.14\n     * @param {Number} [options.width] Cropping width. Introduced in v1.2.14\n     * @param {Number} [options.height] Cropping height. Introduced in v1.2.14\n     * @param {Boolean} [options.enableRetinaScaling] Enable retina scaling for clone image. Introduce in 2.0.0\n     * @return {String} Returns a data: URL containing a representation of the object in the format specified by options.format\n     * @see {@link http://jsfiddle.net/fabricjs/NfZVb/|jsFiddle demo}\n     * @example <caption>Generate jpeg dataURL with lower quality</caption>\n     * var dataURL = canvas.toDataURL({\n     *   format: 'jpeg',\n     *   quality: 0.8\n     * });\n     * @example <caption>Generate cropped png dataURL (clipping of canvas)</caption>\n     * var dataURL = canvas.toDataURL({\n     *   format: 'png',\n     *   left: 100,\n     *   top: 100,\n     *   width: 200,\n     *   height: 200\n     * });\n     * @example <caption>Generate double scaled png dataURL</caption>\n     * var dataURL = canvas.toDataURL({\n     *   format: 'png',\n     *   multiplier: 2\n     * });\n     */\n    toDataURL: function (options) {\n      options || (options = { });\n\n      var format = options.format || 'png',\n          quality = options.quality || 1,\n          multiplier = (options.multiplier || 1) * (options.enableRetinaScaling ? this.getRetinaScaling() : 1),\n          canvasEl = this.toCanvasElement(multiplier, options);\n      return fabric.util.toDataURL(canvasEl, format, quality);\n    },\n\n    /**\n     * Create a new HTMLCanvas element painted with the current canvas content.\n     * No need to resize the actual one or repaint it.\n     * Will transfer object ownership to a new canvas, paint it, and set everything back.\n     * This is an intermediary step used to get to a dataUrl but also it is useful to\n     * create quick image copies of a canvas without passing for the dataUrl string\n     * @param {Number} [multiplier] a zoom factor.\n     * @param {Object} [cropping] Cropping informations\n     * @param {Number} [cropping.left] Cropping left offset.\n     * @param {Number} [cropping.top] Cropping top offset.\n     * @param {Number} [cropping.width] Cropping width.\n     * @param {Number} [cropping.height] Cropping height.\n     */\n    toCanvasElement: function(multiplier, cropping) {\n      multiplier = multiplier || 1;\n      cropping = cropping || { };\n      var scaledWidth = (cropping.width || this.width) * multiplier,\n          scaledHeight = (cropping.height || this.height) * multiplier,\n          zoom = this.getZoom(),\n          originalWidth = this.width,\n          originalHeight = this.height,\n          newZoom = zoom * multiplier,\n          vp = this.viewportTransform,\n          translateX = (vp[4] - (cropping.left || 0)) * multiplier,\n          translateY = (vp[5] - (cropping.top || 0)) * multiplier,\n          originalInteractive = this.interactive,\n          newVp = [newZoom, 0, 0, newZoom, translateX, translateY],\n          originalRetina = this.enableRetinaScaling,\n          canvasEl = fabric.util.createCanvasElement(),\n          originalContextTop = this.contextTop;\n      canvasEl.width = scaledWidth;\n      canvasEl.height = scaledHeight;\n      this.contextTop = null;\n      this.enableRetinaScaling = false;\n      this.interactive = false;\n      this.viewportTransform = newVp;\n      this.width = scaledWidth;\n      this.height = scaledHeight;\n      this.calcViewportBoundaries();\n      this.renderCanvas(canvasEl.getContext('2d'), this._objects);\n      this.viewportTransform = vp;\n      this.width = originalWidth;\n      this.height = originalHeight;\n      this.calcViewportBoundaries();\n      this.interactive = originalInteractive;\n      this.enableRetinaScaling = originalRetina;\n      this.contextTop = originalContextTop;\n      return canvasEl;\n    },\n  });\n\n})();\n\n\nfabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.StaticCanvas.prototype */ {\n  /**\n   * Populates canvas with data from the specified JSON.\n   * JSON format must conform to the one of {@link fabric.Canvas#toJSON}\n   * @param {String|Object} json JSON string or object\n   * @param {Function} callback Callback, invoked when json is parsed\n   *                            and corresponding objects (e.g: {@link fabric.Image})\n   *                            are initialized\n   * @param {Function} [reviver] Method for further parsing of JSON elements, called after each fabric object created.\n   * @return {fabric.Canvas} instance\n   * @chainable\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-3#deserialization}\n   * @see {@link http://jsfiddle.net/fabricjs/fmgXt/|jsFiddle demo}\n   * @example <caption>loadFromJSON</caption>\n   * canvas.loadFromJSON(json, canvas.renderAll.bind(canvas));\n   * @example <caption>loadFromJSON with reviver</caption>\n   * canvas.loadFromJSON(json, canvas.renderAll.bind(canvas), function(o, object) {\n   *   // `o` = json object\n   *   // `object` = fabric.Object instance\n   *   // ... do some stuff ...\n   * });\n   */\n  loadFromJSON: function (json, callback, reviver) {\n    if (!json) {\n      return;\n    }\n\n    // serialize if it wasn't already\n    var serialized = (typeof json === 'string')\n      ? JSON.parse(json)\n      : fabric.util.object.clone(json);\n\n    var _this = this,\n        clipPath = serialized.clipPath,\n        renderOnAddRemove = this.renderOnAddRemove;\n\n    this.renderOnAddRemove = false;\n\n    delete serialized.clipPath;\n\n    this._enlivenObjects(serialized.objects, function (enlivenedObjects) {\n      _this.clear();\n      _this._setBgOverlay(serialized, function () {\n        if (clipPath) {\n          _this._enlivenObjects([clipPath], function (enlivenedCanvasClip) {\n            _this.clipPath = enlivenedCanvasClip[0];\n            _this.__setupCanvas.call(_this, serialized, enlivenedObjects, renderOnAddRemove, callback);\n          });\n        }\n        else {\n          _this.__setupCanvas.call(_this, serialized, enlivenedObjects, renderOnAddRemove, callback);\n        }\n      });\n    }, reviver);\n    return this;\n  },\n\n  /**\n   * @private\n   * @param {Object} serialized Object with background and overlay information\n   * @param {Array} restored canvas objects\n   * @param {Function} cached renderOnAddRemove callback\n   * @param {Function} callback Invoked after all background and overlay images/patterns loaded\n   */\n  __setupCanvas: function(serialized, enlivenedObjects, renderOnAddRemove, callback) {\n    var _this = this;\n    enlivenedObjects.forEach(function(obj, index) {\n      // we splice the array just in case some custom classes restored from JSON\n      // will add more object to canvas at canvas init.\n      _this.insertAt(obj, index);\n    });\n    this.renderOnAddRemove = renderOnAddRemove;\n    // remove parts i cannot set as options\n    delete serialized.objects;\n    delete serialized.backgroundImage;\n    delete serialized.overlayImage;\n    delete serialized.background;\n    delete serialized.overlay;\n    // this._initOptions does too many things to just\n    // call it. Normally loading an Object from JSON\n    // create the Object instance. Here the Canvas is\n    // already an instance and we are just loading things over it\n    this._setOptions(serialized);\n    this.renderAll();\n    callback && callback();\n  },\n\n  /**\n   * @private\n   * @param {Object} serialized Object with background and overlay information\n   * @param {Function} callback Invoked after all background and overlay images/patterns loaded\n   */\n  _setBgOverlay: function(serialized, callback) {\n    var loaded = {\n      backgroundColor: false,\n      overlayColor: false,\n      backgroundImage: false,\n      overlayImage: false\n    };\n\n    if (!serialized.backgroundImage && !serialized.overlayImage && !serialized.background && !serialized.overlay) {\n      callback && callback();\n      return;\n    }\n\n    var cbIfLoaded = function () {\n      if (loaded.backgroundImage && loaded.overlayImage && loaded.backgroundColor && loaded.overlayColor) {\n        callback && callback();\n      }\n    };\n\n    this.__setBgOverlay('backgroundImage', serialized.backgroundImage, loaded, cbIfLoaded);\n    this.__setBgOverlay('overlayImage', serialized.overlayImage, loaded, cbIfLoaded);\n    this.__setBgOverlay('backgroundColor', serialized.background, loaded, cbIfLoaded);\n    this.__setBgOverlay('overlayColor', serialized.overlay, loaded, cbIfLoaded);\n  },\n\n  /**\n   * @private\n   * @param {String} property Property to set (backgroundImage, overlayImage, backgroundColor, overlayColor)\n   * @param {(Object|String)} value Value to set\n   * @param {Object} loaded Set loaded property to true if property is set\n   * @param {Object} callback Callback function to invoke after property is set\n   */\n  __setBgOverlay: function(property, value, loaded, callback) {\n    var _this = this;\n\n    if (!value) {\n      loaded[property] = true;\n      callback && callback();\n      return;\n    }\n\n    if (property === 'backgroundImage' || property === 'overlayImage') {\n      fabric.util.enlivenObjects([value], function(enlivedObject){\n        _this[property] = enlivedObject[0];\n        loaded[property] = true;\n        callback && callback();\n      });\n    }\n    else {\n      this['set' + fabric.util.string.capitalize(property, true)](value, function() {\n        loaded[property] = true;\n        callback && callback();\n      });\n    }\n  },\n\n  /**\n   * @private\n   * @param {Array} objects\n   * @param {Function} callback\n   * @param {Function} [reviver]\n   */\n  _enlivenObjects: function (objects, callback, reviver) {\n    if (!objects || objects.length === 0) {\n      callback && callback([]);\n      return;\n    }\n\n    fabric.util.enlivenObjects(objects, function(enlivenedObjects) {\n      callback && callback(enlivenedObjects);\n    }, null, reviver);\n  },\n\n  /**\n   * @private\n   * @param {String} format\n   * @param {Function} callback\n   */\n  _toDataURL: function (format, callback) {\n    this.clone(function (clone) {\n      callback(clone.toDataURL(format));\n    });\n  },\n\n  /**\n   * @private\n   * @param {String} format\n   * @param {Number} multiplier\n   * @param {Function} callback\n   */\n  _toDataURLWithMultiplier: function (format, multiplier, callback) {\n    this.clone(function (clone) {\n      callback(clone.toDataURLWithMultiplier(format, multiplier));\n    });\n  },\n\n  /**\n   * Clones canvas instance\n   * @param {Object} [callback] Receives cloned instance as a first argument\n   * @param {Array} [properties] Array of properties to include in the cloned canvas and children\n   */\n  clone: function (callback, properties) {\n    var data = JSON.stringify(this.toJSON(properties));\n    this.cloneWithoutData(function(clone) {\n      clone.loadFromJSON(data, function() {\n        callback && callback(clone);\n      });\n    });\n  },\n\n  /**\n   * Clones canvas instance without cloning existing data.\n   * This essentially copies canvas dimensions, clipping properties, etc.\n   * but leaves data empty (so that you can populate it with your own)\n   * @param {Object} [callback] Receives cloned instance as a first argument\n   */\n  cloneWithoutData: function(callback) {\n    var el = fabric.util.createCanvasElement();\n\n    el.width = this.width;\n    el.height = this.height;\n\n    var clone = new fabric.Canvas(el);\n    if (this.backgroundImage) {\n      clone.setBackgroundImage(this.backgroundImage.src, function() {\n        clone.renderAll();\n        callback && callback(clone);\n      });\n      clone.backgroundImageOpacity = this.backgroundImageOpacity;\n      clone.backgroundImageStretch = this.backgroundImageStretch;\n    }\n    else {\n      callback && callback(clone);\n    }\n  }\n});\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { }),\n      extend = fabric.util.object.extend,\n      clone = fabric.util.object.clone,\n      toFixed = fabric.util.toFixed,\n      capitalize = fabric.util.string.capitalize,\n      degreesToRadians = fabric.util.degreesToRadians,\n      supportsLineDash = fabric.StaticCanvas.supports('setLineDash'),\n      objectCaching = !fabric.isLikelyNode,\n      ALIASING_LIMIT = 2;\n\n  if (fabric.Object) {\n    return;\n  }\n\n  /**\n   * Root object class from which all 2d shape classes inherit from\n   * @class fabric.Object\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-1#objects}\n   * @see {@link fabric.Object#initialize} for constructor definition\n   *\n   * @fires added\n   * @fires removed\n   *\n   * @fires selected\n   * @fires deselected\n   * @fires modified\n   * @fires modified\n   * @fires moved\n   * @fires scaled\n   * @fires rotated\n   * @fires skewed\n   *\n   * @fires rotating\n   * @fires scaling\n   * @fires moving\n   * @fires skewing\n   *\n   * @fires mousedown\n   * @fires mouseup\n   * @fires mouseover\n   * @fires mouseout\n   * @fires mousewheel\n   * @fires mousedblclick\n   *\n   * @fires dragover\n   * @fires dragenter\n   * @fires dragleave\n   * @fires drop\n   */\n  fabric.Object = fabric.util.createClass(fabric.CommonMethods, /** @lends fabric.Object.prototype */ {\n\n    /**\n     * Type of an object (rect, circle, path, etc.).\n     * Note that this property is meant to be read-only and not meant to be modified.\n     * If you modify, certain parts of Fabric (such as JSON loading) won't work correctly.\n     * @type String\n     * @default\n     */\n    type:                     'object',\n\n    /**\n     * Horizontal origin of transformation of an object (one of \"left\", \"right\", \"center\")\n     * See http://jsfiddle.net/1ow02gea/244/ on how originX/originY affect objects in groups\n     * @type String\n     * @default\n     */\n    originX:                  'left',\n\n    /**\n     * Vertical origin of transformation of an object (one of \"top\", \"bottom\", \"center\")\n     * See http://jsfiddle.net/1ow02gea/244/ on how originX/originY affect objects in groups\n     * @type String\n     * @default\n     */\n    originY:                  'top',\n\n    /**\n     * Top position of an object. Note that by default it's relative to object top. You can change this by setting originY={top/center/bottom}\n     * @type Number\n     * @default\n     */\n    top:                      0,\n\n    /**\n     * Left position of an object. Note that by default it's relative to object left. You can change this by setting originX={left/center/right}\n     * @type Number\n     * @default\n     */\n    left:                     0,\n\n    /**\n     * Object width\n     * @type Number\n     * @default\n     */\n    width:                    0,\n\n    /**\n     * Object height\n     * @type Number\n     * @default\n     */\n    height:                   0,\n\n    /**\n     * Object scale factor (horizontal)\n     * @type Number\n     * @default\n     */\n    scaleX:                   1,\n\n    /**\n     * Object scale factor (vertical)\n     * @type Number\n     * @default\n     */\n    scaleY:                   1,\n\n    /**\n     * When true, an object is rendered as flipped horizontally\n     * @type Boolean\n     * @default\n     */\n    flipX:                    false,\n\n    /**\n     * When true, an object is rendered as flipped vertically\n     * @type Boolean\n     * @default\n     */\n    flipY:                    false,\n\n    /**\n     * Opacity of an object\n     * @type Number\n     * @default\n     */\n    opacity:                  1,\n\n    /**\n     * Angle of rotation of an object (in degrees)\n     * @type Number\n     * @default\n     */\n    angle:                    0,\n\n    /**\n     * Angle of skew on x axes of an object (in degrees)\n     * @type Number\n     * @default\n     */\n    skewX:                    0,\n\n    /**\n     * Angle of skew on y axes of an object (in degrees)\n     * @type Number\n     * @default\n     */\n    skewY:                    0,\n\n    /**\n     * Size of object's controlling corners (in pixels)\n     * @type Number\n     * @default\n     */\n    cornerSize:               13,\n\n    /**\n     * Size of object's controlling corners when touch interaction is detected\n     * @type Number\n     * @default\n     */\n    touchCornerSize:               24,\n\n    /**\n     * When true, object's controlling corners are rendered as transparent inside (i.e. stroke instead of fill)\n     * @type Boolean\n     * @default\n     */\n    transparentCorners:       true,\n\n    /**\n     * Default cursor value used when hovering over this object on canvas\n     * @type String\n     * @default\n     */\n    hoverCursor:              null,\n\n    /**\n     * Default cursor value used when moving this object on canvas\n     * @type String\n     * @default\n     */\n    moveCursor:               null,\n\n    /**\n     * Padding between object and its controlling borders (in pixels)\n     * @type Number\n     * @default\n     */\n    padding:                  0,\n\n    /**\n     * Color of controlling borders of an object (when it's active)\n     * @type String\n     * @default\n     */\n    borderColor:              'rgb(178,204,255)',\n\n    /**\n     * Array specifying dash pattern of an object's borders (hasBorder must be true)\n     * @since 1.6.2\n     * @type Array\n     */\n    borderDashArray:          null,\n\n    /**\n     * Color of controlling corners of an object (when it's active)\n     * @type String\n     * @default\n     */\n    cornerColor:              'rgb(178,204,255)',\n\n    /**\n     * Color of controlling corners of an object (when it's active and transparentCorners false)\n     * @since 1.6.2\n     * @type String\n     * @default\n     */\n    cornerStrokeColor:        null,\n\n    /**\n     * Specify style of control, 'rect' or 'circle'\n     * @since 1.6.2\n     * @type String\n     */\n    cornerStyle:          'rect',\n\n    /**\n     * Array specifying dash pattern of an object's control (hasBorder must be true)\n     * @since 1.6.2\n     * @type Array\n     */\n    cornerDashArray:          null,\n\n    /**\n     * When true, this object will use center point as the origin of transformation\n     * when being scaled via the controls.\n     * <b>Backwards incompatibility note:</b> This property replaces \"centerTransform\" (Boolean).\n     * @since 1.3.4\n     * @type Boolean\n     * @default\n     */\n    centeredScaling:          false,\n\n    /**\n     * When true, this object will use center point as the origin of transformation\n     * when being rotated via the controls.\n     * <b>Backwards incompatibility note:</b> This property replaces \"centerTransform\" (Boolean).\n     * @since 1.3.4\n     * @type Boolean\n     * @default\n     */\n    centeredRotation:         true,\n\n    /**\n     * Color of object's fill\n     * takes css colors https://www.w3.org/TR/css-color-3/\n     * @type String\n     * @default\n     */\n    fill:                     'rgb(0,0,0)',\n\n    /**\n     * Fill rule used to fill an object\n     * accepted values are nonzero, evenodd\n     * <b>Backwards incompatibility note:</b> This property was used for setting globalCompositeOperation until v1.4.12 (use `fabric.Object#globalCompositeOperation` instead)\n     * @type String\n     * @default\n     */\n    fillRule:                 'nonzero',\n\n    /**\n     * Composite rule used for canvas globalCompositeOperation\n     * @type String\n     * @default\n     */\n    globalCompositeOperation: 'source-over',\n\n    /**\n     * Background color of an object.\n     * takes css colors https://www.w3.org/TR/css-color-3/\n     * @type String\n     * @default\n     */\n    backgroundColor:          '',\n\n    /**\n     * Selection Background color of an object. colored layer behind the object when it is active.\n     * does not mix good with globalCompositeOperation methods.\n     * @type String\n     * @default\n     */\n    selectionBackgroundColor:          '',\n\n    /**\n     * When defined, an object is rendered via stroke and this property specifies its color\n     * takes css colors https://www.w3.org/TR/css-color-3/\n     * @type String\n     * @default\n     */\n    stroke:                   null,\n\n    /**\n     * Width of a stroke used to render this object\n     * @type Number\n     * @default\n     */\n    strokeWidth:              1,\n\n    /**\n     * Array specifying dash pattern of an object's stroke (stroke must be defined)\n     * @type Array\n     */\n    strokeDashArray:          null,\n\n    /**\n     * Line offset of an object's stroke\n     * @type Number\n     * @default\n     */\n    strokeDashOffset: 0,\n\n    /**\n     * Line endings style of an object's stroke (one of \"butt\", \"round\", \"square\")\n     * @type String\n     * @default\n     */\n    strokeLineCap:            'butt',\n\n    /**\n     * Corner style of an object's stroke (one of \"bevel\", \"round\", \"miter\")\n     * @type String\n     * @default\n     */\n    strokeLineJoin:           'miter',\n\n    /**\n     * Maximum miter length (used for strokeLineJoin = \"miter\") of an object's stroke\n     * @type Number\n     * @default\n     */\n    strokeMiterLimit:         4,\n\n    /**\n     * Shadow object representing shadow of this shape\n     * @type fabric.Shadow\n     * @default\n     */\n    shadow:                   null,\n\n    /**\n     * Opacity of object's controlling borders when object is active and moving\n     * @type Number\n     * @default\n     */\n    borderOpacityWhenMoving:  0.4,\n\n    /**\n     * Scale factor of object's controlling borders\n     * bigger number will make a thicker border\n     * border is 1, so this is basically a border thickness\n     * since there is no way to change the border itself.\n     * @type Number\n     * @default\n     */\n    borderScaleFactor:        1,\n\n    /**\n     * Minimum allowed scale value of an object\n     * @type Number\n     * @default\n     */\n    minScaleLimit:            0,\n\n    /**\n     * When set to `false`, an object can not be selected for modification (using either point-click-based or group-based selection).\n     * But events still fire on it.\n     * @type Boolean\n     * @default\n     */\n    selectable:               true,\n\n    /**\n     * When set to `false`, an object can not be a target of events. All events propagate through it. Introduced in v1.3.4\n     * @type Boolean\n     * @default\n     */\n    evented:                  true,\n\n    /**\n     * When set to `false`, an object is not rendered on canvas\n     * @type Boolean\n     * @default\n     */\n    visible:                  true,\n\n    /**\n     * When set to `false`, object's controls are not displayed and can not be used to manipulate object\n     * @type Boolean\n     * @default\n     */\n    hasControls:              true,\n\n    /**\n     * When set to `false`, object's controlling borders are not rendered\n     * @type Boolean\n     * @default\n     */\n    hasBorders:               true,\n\n    /**\n     * When set to `true`, objects are \"found\" on canvas on per-pixel basis rather than according to bounding box\n     * @type Boolean\n     * @default\n     */\n    perPixelTargetFind:       false,\n\n    /**\n     * When `false`, default object's values are not included in its serialization\n     * @type Boolean\n     * @default\n     */\n    includeDefaultValues:     true,\n\n    /**\n     * When `true`, object horizontal movement is locked\n     * @type Boolean\n     * @default\n     */\n    lockMovementX:            false,\n\n    /**\n     * When `true`, object vertical movement is locked\n     * @type Boolean\n     * @default\n     */\n    lockMovementY:            false,\n\n    /**\n     * When `true`, object rotation is locked\n     * @type Boolean\n     * @default\n     */\n    lockRotation:             false,\n\n    /**\n     * When `true`, object horizontal scaling is locked\n     * @type Boolean\n     * @default\n     */\n    lockScalingX:             false,\n\n    /**\n     * When `true`, object vertical scaling is locked\n     * @type Boolean\n     * @default\n     */\n    lockScalingY:             false,\n\n    /**\n     * When `true`, object horizontal skewing is locked\n     * @type Boolean\n     * @default\n     */\n    lockSkewingX:             false,\n\n    /**\n     * When `true`, object vertical skewing is locked\n     * @type Boolean\n     * @default\n     */\n    lockSkewingY:             false,\n\n    /**\n     * When `true`, object cannot be flipped by scaling into negative values\n     * @type Boolean\n     * @default\n     */\n    lockScalingFlip:          false,\n\n    /**\n     * When `true`, object is not exported in OBJECT/JSON\n     * @since 1.6.3\n     * @type Boolean\n     * @default\n     */\n    excludeFromExport:        false,\n\n    /**\n     * When `true`, object is cached on an additional canvas.\n     * When `false`, object is not cached unless necessary ( clipPath )\n     * default to true\n     * @since 1.7.0\n     * @type Boolean\n     * @default true\n     */\n    objectCaching:            objectCaching,\n\n    /**\n     * When `true`, object properties are checked for cache invalidation. In some particular\n     * situation you may want this to be disabled ( spray brush, very big, groups)\n     * or if your application does not allow you to modify properties for groups child you want\n     * to disable it for groups.\n     * default to false\n     * since 1.7.0\n     * @type Boolean\n     * @default false\n     */\n    statefullCache:            false,\n\n    /**\n     * When `true`, cache does not get updated during scaling. The picture will get blocky if scaled\n     * too much and will be redrawn with correct details at the end of scaling.\n     * this setting is performance and application dependant.\n     * default to true\n     * since 1.7.0\n     * @type Boolean\n     * @default true\n     */\n    noScaleCache:              true,\n\n    /**\n     * When `false`, the stoke width will scale with the object.\n     * When `true`, the stroke will always match the exact pixel size entered for stroke width.\n     * default to false\n     * @since 2.6.0\n     * @type Boolean\n     * @default false\n     * @type Boolean\n     * @default false\n     */\n    strokeUniform:              false,\n\n    /**\n     * When set to `true`, object's cache will be rerendered next render call.\n     * since 1.7.0\n     * @type Boolean\n     * @default true\n     */\n    dirty:                true,\n\n    /**\n     * keeps the value of the last hovered corner during mouse move.\n     * 0 is no corner, or 'mt', 'ml', 'mtr' etc..\n     * It should be private, but there is no harm in using it as\n     * a read-only property.\n     * @type number|string|any\n     * @default 0\n     */\n    __corner: 0,\n\n    /**\n     * Determines if the fill or the stroke is drawn first (one of \"fill\" or \"stroke\")\n     * @type String\n     * @default\n     */\n    paintFirst:           'fill',\n\n    /**\n     * When 'down', object is set to active on mousedown/touchstart\n     * When 'up', object is set to active on mouseup/touchend\n     * Experimental. Let's see if this breaks anything before supporting officially\n     * @private\n     * since 4.4.0\n     * @type String\n     * @default 'down'\n     */\n    activeOn:           'down',\n\n    /**\n     * List of properties to consider when checking if state\n     * of an object is changed (fabric.Object#hasStateChanged)\n     * as well as for history (undo/redo) purposes\n     * @type Array\n     */\n    stateProperties: (\n      'top left width height scaleX scaleY flipX flipY originX originY transformMatrix ' +\n      'stroke strokeWidth strokeDashArray strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit ' +\n      'angle opacity fill globalCompositeOperation shadow visible backgroundColor ' +\n      'skewX skewY fillRule paintFirst clipPath strokeUniform'\n    ).split(' '),\n\n    /**\n     * List of properties to consider when checking if cache needs refresh\n     * Those properties are checked by statefullCache ON ( or lazy mode if we want ) or from single\n     * calls to Object.set(key, value). If the key is in this list, the object is marked as dirty\n     * and refreshed at the next render\n     * @type Array\n     */\n    cacheProperties: (\n      'fill stroke strokeWidth strokeDashArray width height paintFirst strokeUniform' +\n      ' strokeLineCap strokeDashOffset strokeLineJoin strokeMiterLimit backgroundColor clipPath'\n    ).split(' '),\n\n    /**\n     * List of properties to consider for animating colors.\n     * @type Array\n     */\n    colorProperties: (\n      'fill stroke backgroundColor'\n    ).split(' '),\n\n    /**\n     * a fabricObject that, without stroke define a clipping area with their shape. filled in black\n     * the clipPath object gets used when the object has rendered, and the context is placed in the center\n     * of the object cacheCanvas.\n     * If you want 0,0 of a clipPath to align with an object center, use clipPath.originX/Y to 'center'\n     * @type fabric.Object\n     */\n    clipPath: undefined,\n\n    /**\n     * Meaningful ONLY when the object is used as clipPath.\n     * if true, the clipPath will make the object clip to the outside of the clipPath\n     * since 2.4.0\n     * @type boolean\n     * @default false\n     */\n    inverted: false,\n\n    /**\n     * Meaningful ONLY when the object is used as clipPath.\n     * if true, the clipPath will have its top and left relative to canvas, and will\n     * not be influenced by the object transform. This will make the clipPath relative\n     * to the canvas, but clipping just a particular object.\n     * WARNING this is beta, this feature may change or be renamed.\n     * since 2.4.0\n     * @type boolean\n     * @default false\n     */\n    absolutePositioned: false,\n\n    /**\n     * Constructor\n     * @param {Object} [options] Options object\n     */\n    initialize: function(options) {\n      if (options) {\n        this.setOptions(options);\n      }\n    },\n\n    /**\n     * Create a the canvas used to keep the cached copy of the object\n     * @private\n     */\n    _createCacheCanvas: function() {\n      this._cacheProperties = {};\n      this._cacheCanvas = fabric.util.createCanvasElement();\n      this._cacheContext = this._cacheCanvas.getContext('2d');\n      this._updateCacheCanvas();\n      // if canvas gets created, is empty, so dirty.\n      this.dirty = true;\n    },\n\n    /**\n     * Limit the cache dimensions so that X * Y do not cross fabric.perfLimitSizeTotal\n     * and each side do not cross fabric.cacheSideLimit\n     * those numbers are configurable so that you can get as much detail as you want\n     * making bargain with performances.\n     * @param {Object} dims\n     * @param {Object} dims.width width of canvas\n     * @param {Object} dims.height height of canvas\n     * @param {Object} dims.zoomX zoomX zoom value to unscale the canvas before drawing cache\n     * @param {Object} dims.zoomY zoomY zoom value to unscale the canvas before drawing cache\n     * @return {Object}.width width of canvas\n     * @return {Object}.height height of canvas\n     * @return {Object}.zoomX zoomX zoom value to unscale the canvas before drawing cache\n     * @return {Object}.zoomY zoomY zoom value to unscale the canvas before drawing cache\n     */\n    _limitCacheSize: function(dims) {\n      var perfLimitSizeTotal = fabric.perfLimitSizeTotal,\n          width = dims.width, height = dims.height,\n          max = fabric.maxCacheSideLimit, min = fabric.minCacheSideLimit;\n      if (width <= max && height <= max && width * height <= perfLimitSizeTotal) {\n        if (width < min) {\n          dims.width = min;\n        }\n        if (height < min) {\n          dims.height = min;\n        }\n        return dims;\n      }\n      var ar = width / height, limitedDims = fabric.util.limitDimsByArea(ar, perfLimitSizeTotal),\n          capValue = fabric.util.capValue,\n          x = capValue(min, limitedDims.x, max),\n          y = capValue(min, limitedDims.y, max);\n      if (width > x) {\n        dims.zoomX /= width / x;\n        dims.width = x;\n        dims.capped = true;\n      }\n      if (height > y) {\n        dims.zoomY /= height / y;\n        dims.height = y;\n        dims.capped = true;\n      }\n      return dims;\n    },\n\n    /**\n     * Return the dimension and the zoom level needed to create a cache canvas\n     * big enough to host the object to be cached.\n     * @private\n     * @return {Object}.x width of object to be cached\n     * @return {Object}.y height of object to be cached\n     * @return {Object}.width width of canvas\n     * @return {Object}.height height of canvas\n     * @return {Object}.zoomX zoomX zoom value to unscale the canvas before drawing cache\n     * @return {Object}.zoomY zoomY zoom value to unscale the canvas before drawing cache\n     */\n    _getCacheCanvasDimensions: function() {\n      var objectScale = this.getTotalObjectScaling(),\n          // caculate dimensions without skewing\n          dim = this._getTransformedDimensions(0, 0),\n          neededX = dim.x * objectScale.scaleX / this.scaleX,\n          neededY = dim.y * objectScale.scaleY / this.scaleY;\n      return {\n        // for sure this ALIASING_LIMIT is slightly creating problem\n        // in situation in which the cache canvas gets an upper limit\n        // also objectScale contains already scaleX and scaleY\n        width: neededX + ALIASING_LIMIT,\n        height: neededY + ALIASING_LIMIT,\n        zoomX: objectScale.scaleX,\n        zoomY: objectScale.scaleY,\n        x: neededX,\n        y: neededY\n      };\n    },\n\n    /**\n     * Update width and height of the canvas for cache\n     * returns true or false if canvas needed resize.\n     * @private\n     * @return {Boolean} true if the canvas has been resized\n     */\n    _updateCacheCanvas: function() {\n      var targetCanvas = this.canvas;\n      if (this.noScaleCache && targetCanvas && targetCanvas._currentTransform) {\n        var target = targetCanvas._currentTransform.target,\n            action = targetCanvas._currentTransform.action;\n        if (this === target && action.slice && action.slice(0, 5) === 'scale') {\n          return false;\n        }\n      }\n      var canvas = this._cacheCanvas,\n          dims = this._limitCacheSize(this._getCacheCanvasDimensions()),\n          minCacheSize = fabric.minCacheSideLimit,\n          width = dims.width, height = dims.height, drawingWidth, drawingHeight,\n          zoomX = dims.zoomX, zoomY = dims.zoomY,\n          dimensionsChanged = width !== this.cacheWidth || height !== this.cacheHeight,\n          zoomChanged = this.zoomX !== zoomX || this.zoomY !== zoomY,\n          shouldRedraw = dimensionsChanged || zoomChanged,\n          additionalWidth = 0, additionalHeight = 0, shouldResizeCanvas = false;\n      if (dimensionsChanged) {\n        var canvasWidth = this._cacheCanvas.width,\n            canvasHeight = this._cacheCanvas.height,\n            sizeGrowing = width > canvasWidth || height > canvasHeight,\n            sizeShrinking = (width < canvasWidth * 0.9 || height < canvasHeight * 0.9) &&\n              canvasWidth > minCacheSize && canvasHeight > minCacheSize;\n        shouldResizeCanvas = sizeGrowing || sizeShrinking;\n        if (sizeGrowing && !dims.capped && (width > minCacheSize || height > minCacheSize)) {\n          additionalWidth = width * 0.1;\n          additionalHeight = height * 0.1;\n        }\n      }\n      if (shouldRedraw) {\n        if (shouldResizeCanvas) {\n          canvas.width = Math.ceil(width + additionalWidth);\n          canvas.height = Math.ceil(height + additionalHeight);\n        }\n        else {\n          this._cacheContext.setTransform(1, 0, 0, 1, 0, 0);\n          this._cacheContext.clearRect(0, 0, canvas.width, canvas.height);\n        }\n        drawingWidth = dims.x / 2;\n        drawingHeight = dims.y / 2;\n        this.cacheTranslationX = Math.round(canvas.width / 2 - drawingWidth) + drawingWidth;\n        this.cacheTranslationY = Math.round(canvas.height / 2 - drawingHeight) + drawingHeight;\n        this.cacheWidth = width;\n        this.cacheHeight = height;\n        this._cacheContext.translate(this.cacheTranslationX, this.cacheTranslationY);\n        this._cacheContext.scale(zoomX, zoomY);\n        this.zoomX = zoomX;\n        this.zoomY = zoomY;\n        return true;\n      }\n      return false;\n    },\n\n    /**\n     * Sets object's properties from options\n     * @param {Object} [options] Options object\n     */\n    setOptions: function(options) {\n      this._setOptions(options);\n      this._initGradient(options.fill, 'fill');\n      this._initGradient(options.stroke, 'stroke');\n      this._initPattern(options.fill, 'fill');\n      this._initPattern(options.stroke, 'stroke');\n    },\n\n    /**\n     * Transforms context when rendering an object\n     * @param {CanvasRenderingContext2D} ctx Context\n     */\n    transform: function(ctx) {\n      var needFullTransform = (this.group && !this.group._transformDone) ||\n         (this.group && this.canvas && ctx === this.canvas.contextTop);\n      var m = this.calcTransformMatrix(!needFullTransform);\n      ctx.transform(m[0], m[1], m[2], m[3], m[4], m[5]);\n    },\n\n    /**\n     * Returns an object representation of an instance\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} Object representation of an instance\n     */\n    toObject: function(propertiesToInclude) {\n      var NUM_FRACTION_DIGITS = fabric.Object.NUM_FRACTION_DIGITS,\n\n          object = {\n            type:                     this.type,\n            version:                  fabric.version,\n            originX:                  this.originX,\n            originY:                  this.originY,\n            left:                     toFixed(this.left, NUM_FRACTION_DIGITS),\n            top:                      toFixed(this.top, NUM_FRACTION_DIGITS),\n            width:                    toFixed(this.width, NUM_FRACTION_DIGITS),\n            height:                   toFixed(this.height, NUM_FRACTION_DIGITS),\n            fill:                     (this.fill && this.fill.toObject) ? this.fill.toObject() : this.fill,\n            stroke:                   (this.stroke && this.stroke.toObject) ? this.stroke.toObject() : this.stroke,\n            strokeWidth:              toFixed(this.strokeWidth, NUM_FRACTION_DIGITS),\n            strokeDashArray:          this.strokeDashArray ? this.strokeDashArray.concat() : this.strokeDashArray,\n            strokeLineCap:            this.strokeLineCap,\n            strokeDashOffset:         this.strokeDashOffset,\n            strokeLineJoin:           this.strokeLineJoin,\n            strokeUniform:            this.strokeUniform,\n            strokeMiterLimit:         toFixed(this.strokeMiterLimit, NUM_FRACTION_DIGITS),\n            scaleX:                   toFixed(this.scaleX, NUM_FRACTION_DIGITS),\n            scaleY:                   toFixed(this.scaleY, NUM_FRACTION_DIGITS),\n            angle:                    toFixed(this.angle, NUM_FRACTION_DIGITS),\n            flipX:                    this.flipX,\n            flipY:                    this.flipY,\n            opacity:                  toFixed(this.opacity, NUM_FRACTION_DIGITS),\n            shadow:                   (this.shadow && this.shadow.toObject) ? this.shadow.toObject() : this.shadow,\n            visible:                  this.visible,\n            backgroundColor:          this.backgroundColor,\n            fillRule:                 this.fillRule,\n            paintFirst:               this.paintFirst,\n            globalCompositeOperation: this.globalCompositeOperation,\n            skewX:                    toFixed(this.skewX, NUM_FRACTION_DIGITS),\n            skewY:                    toFixed(this.skewY, NUM_FRACTION_DIGITS),\n          };\n\n      if (this.clipPath) {\n        object.clipPath = this.clipPath.toObject(propertiesToInclude);\n        object.clipPath.inverted = this.clipPath.inverted;\n        object.clipPath.absolutePositioned = this.clipPath.absolutePositioned;\n      }\n\n      fabric.util.populateWithProperties(this, object, propertiesToInclude);\n      if (!this.includeDefaultValues) {\n        object = this._removeDefaultValues(object);\n      }\n\n      return object;\n    },\n\n    /**\n     * Returns (dataless) object representation of an instance\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} Object representation of an instance\n     */\n    toDatalessObject: function(propertiesToInclude) {\n      // will be overwritten by subclasses\n      return this.toObject(propertiesToInclude);\n    },\n\n    /**\n     * @private\n     * @param {Object} object\n     */\n    _removeDefaultValues: function(object) {\n      var prototype = fabric.util.getKlass(object.type).prototype,\n          stateProperties = prototype.stateProperties;\n      stateProperties.forEach(function(prop) {\n        if (prop === 'left' || prop === 'top') {\n          return;\n        }\n        if (object[prop] === prototype[prop]) {\n          delete object[prop];\n        }\n        var isArray = Object.prototype.toString.call(object[prop]) === '[object Array]' &&\n                      Object.prototype.toString.call(prototype[prop]) === '[object Array]';\n\n        // basically a check for [] === []\n        if (isArray && object[prop].length === 0 && prototype[prop].length === 0) {\n          delete object[prop];\n        }\n      });\n\n      return object;\n    },\n\n    /**\n     * Returns a string representation of an instance\n     * @return {String}\n     */\n    toString: function() {\n      return '#<fabric.' + capitalize(this.type) + '>';\n    },\n\n    /**\n     * Return the object scale factor counting also the group scaling\n     * @return {Object} object with scaleX and scaleY properties\n     */\n    getObjectScaling: function() {\n      var options = fabric.util.qrDecompose(this.calcTransformMatrix());\n      return { scaleX: Math.abs(options.scaleX), scaleY: Math.abs(options.scaleY) };\n    },\n\n    /**\n     * Return the object scale factor counting also the group scaling, zoom and retina\n     * @return {Object} object with scaleX and scaleY properties\n     */\n    getTotalObjectScaling: function() {\n      var scale = this.getObjectScaling(), scaleX = scale.scaleX, scaleY = scale.scaleY;\n      if (this.canvas) {\n        var zoom = this.canvas.getZoom();\n        var retina = this.canvas.getRetinaScaling();\n        scaleX *= zoom * retina;\n        scaleY *= zoom * retina;\n      }\n      return { scaleX: scaleX, scaleY: scaleY };\n    },\n\n    /**\n     * Return the object opacity counting also the group property\n     * @return {Number}\n     */\n    getObjectOpacity: function() {\n      var opacity = this.opacity;\n      if (this.group) {\n        opacity *= this.group.getObjectOpacity();\n      }\n      return opacity;\n    },\n\n    /**\n     * @private\n     * @param {String} key\n     * @param {*} value\n     * @return {fabric.Object} thisArg\n     */\n    _set: function(key, value) {\n      var shouldConstrainValue = (key === 'scaleX' || key === 'scaleY'),\n          isChanged = this[key] !== value, groupNeedsUpdate = false;\n\n      if (shouldConstrainValue) {\n        value = this._constrainScale(value);\n      }\n      if (key === 'scaleX' && value < 0) {\n        this.flipX = !this.flipX;\n        value *= -1;\n      }\n      else if (key === 'scaleY' && value < 0) {\n        this.flipY = !this.flipY;\n        value *= -1;\n      }\n      else if (key === 'shadow' && value && !(value instanceof fabric.Shadow)) {\n        value = new fabric.Shadow(value);\n      }\n      else if (key === 'dirty' && this.group) {\n        this.group.set('dirty', value);\n      }\n\n      this[key] = value;\n\n      if (isChanged) {\n        groupNeedsUpdate = this.group && this.group.isOnACache();\n        if (this.cacheProperties.indexOf(key) > -1) {\n          this.dirty = true;\n          groupNeedsUpdate && this.group.set('dirty', true);\n        }\n        else if (groupNeedsUpdate && this.stateProperties.indexOf(key) > -1) {\n          this.group.set('dirty', true);\n        }\n      }\n      return this;\n    },\n\n    /**\n     * This callback function is called by the parent group of an object every\n     * time a non-delegated property changes on the group. It is passed the key\n     * and value as parameters. Not adding in this function's signature to avoid\n     * Travis build error about unused variables.\n     */\n    setOnGroup: function() {\n      // implemented by sub-classes, as needed.\n    },\n\n    /**\n     * Retrieves viewportTransform from Object's canvas if possible\n     * @method getViewportTransform\n     * @memberOf fabric.Object.prototype\n     * @return {Array}\n     */\n    getViewportTransform: function() {\n      if (this.canvas && this.canvas.viewportTransform) {\n        return this.canvas.viewportTransform;\n      }\n      return fabric.iMatrix.concat();\n    },\n\n    /*\n     * @private\n     * return if the object would be visible in rendering\n     * @memberOf fabric.Object.prototype\n     * @return {Boolean}\n     */\n    isNotVisible: function() {\n      return this.opacity === 0 ||\n        (!this.width && !this.height && this.strokeWidth === 0) ||\n        !this.visible;\n    },\n\n    /**\n     * Renders an object on a specified context\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    render: function(ctx) {\n      // do not render if width/height are zeros or object is not visible\n      if (this.isNotVisible()) {\n        return;\n      }\n      if (this.canvas && this.canvas.skipOffscreen && !this.group && !this.isOnScreen()) {\n        return;\n      }\n      ctx.save();\n      this._setupCompositeOperation(ctx);\n      this.drawSelectionBackground(ctx);\n      this.transform(ctx);\n      this._setOpacity(ctx);\n      this._setShadow(ctx, this);\n      if (this.shouldCache()) {\n        this.renderCache();\n        this.drawCacheOnCanvas(ctx);\n      }\n      else {\n        this._removeCacheCanvas();\n        this.dirty = false;\n        this.drawObject(ctx);\n        if (this.objectCaching && this.statefullCache) {\n          this.saveState({ propertySet: 'cacheProperties' });\n        }\n      }\n      ctx.restore();\n    },\n\n    renderCache: function(options) {\n      options = options || {};\n      if (!this._cacheCanvas) {\n        this._createCacheCanvas();\n      }\n      if (this.isCacheDirty()) {\n        this.statefullCache && this.saveState({ propertySet: 'cacheProperties' });\n        this.drawObject(this._cacheContext, options.forClipping);\n        this.dirty = false;\n      }\n    },\n\n    /**\n     * Remove cacheCanvas and its dimensions from the objects\n     */\n    _removeCacheCanvas: function() {\n      this._cacheCanvas = null;\n      this.cacheWidth = 0;\n      this.cacheHeight = 0;\n    },\n\n    /**\n     * return true if the object will draw a stroke\n     * Does not consider text styles. This is just a shortcut used at rendering time\n     * We want it to be an approximation and be fast.\n     * wrote to avoid extra caching, it has to return true when stroke happens,\n     * can guess when it will not happen at 100% chance, does not matter if it misses\n     * some use case where the stroke is invisible.\n     * @since 3.0.0\n     * @returns Boolean\n     */\n    hasStroke: function() {\n      return this.stroke && this.stroke !== 'transparent' && this.strokeWidth !== 0;\n    },\n\n    /**\n     * return true if the object will draw a fill\n     * Does not consider text styles. This is just a shortcut used at rendering time\n     * We want it to be an approximation and be fast.\n     * wrote to avoid extra caching, it has to return true when fill happens,\n     * can guess when it will not happen at 100% chance, does not matter if it misses\n     * some use case where the fill is invisible.\n     * @since 3.0.0\n     * @returns Boolean\n     */\n    hasFill: function() {\n      return this.fill && this.fill !== 'transparent';\n    },\n\n    /**\n     * When set to `true`, force the object to have its own cache, even if it is inside a group\n     * it may be needed when your object behave in a particular way on the cache and always needs\n     * its own isolated canvas to render correctly.\n     * Created to be overridden\n     * since 1.7.12\n     * @returns Boolean\n     */\n    needsItsOwnCache: function() {\n      if (this.paintFirst === 'stroke' &&\n        this.hasFill() && this.hasStroke() && typeof this.shadow === 'object') {\n        return true;\n      }\n      if (this.clipPath) {\n        return true;\n      }\n      return false;\n    },\n\n    /**\n     * Decide if the object should cache or not. Create its own cache level\n     * objectCaching is a global flag, wins over everything\n     * needsItsOwnCache should be used when the object drawing method requires\n     * a cache step. None of the fabric classes requires it.\n     * Generally you do not cache objects in groups because the group outside is cached.\n     * Read as: cache if is needed, or if the feature is enabled but we are not already caching.\n     * @return {Boolean}\n     */\n    shouldCache: function() {\n      this.ownCaching = this.needsItsOwnCache() || (\n        this.objectCaching &&\n        (!this.group || !this.group.isOnACache())\n      );\n      return this.ownCaching;\n    },\n\n    /**\n     * Check if this object or a child object will cast a shadow\n     * used by Group.shouldCache to know if child has a shadow recursively\n     * @return {Boolean}\n     */\n    willDrawShadow: function() {\n      return !!this.shadow && (this.shadow.offsetX !== 0 || this.shadow.offsetY !== 0);\n    },\n\n    /**\n     * Execute the drawing operation for an object clipPath\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    drawClipPathOnCache: function(ctx) {\n      var path = this.clipPath;\n      ctx.save();\n      // DEBUG: uncomment this line, comment the following\n      // ctx.globalAlpha = 0.4\n      if (path.inverted) {\n        ctx.globalCompositeOperation = 'destination-out';\n      }\n      else {\n        ctx.globalCompositeOperation = 'destination-in';\n      }\n      //ctx.scale(1 / 2, 1 / 2);\n      if (path.absolutePositioned) {\n        var m = fabric.util.invertTransform(this.calcTransformMatrix());\n        ctx.transform(m[0], m[1], m[2], m[3], m[4], m[5]);\n      }\n      path.transform(ctx);\n      ctx.scale(1 / path.zoomX, 1 / path.zoomY);\n      ctx.drawImage(path._cacheCanvas, -path.cacheTranslationX, -path.cacheTranslationY);\n      ctx.restore();\n    },\n\n    /**\n     * Execute the drawing operation for an object on a specified context\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    drawObject: function(ctx, forClipping) {\n      var originalFill = this.fill, originalStroke = this.stroke;\n      if (forClipping) {\n        this.fill = 'black';\n        this.stroke = '';\n        this._setClippingProperties(ctx);\n      }\n      else {\n        this._renderBackground(ctx);\n      }\n      this._render(ctx);\n      this._drawClipPath(ctx);\n      this.fill = originalFill;\n      this.stroke = originalStroke;\n    },\n\n    _drawClipPath: function(ctx) {\n      var path = this.clipPath;\n      if (!path) { return; }\n      // needed to setup a couple of variables\n      // path canvas gets overridden with this one.\n      // TODO find a better solution?\n      path.canvas = this.canvas;\n      path.shouldCache();\n      path._transformDone = true;\n      path.renderCache({ forClipping: true });\n      this.drawClipPathOnCache(ctx);\n    },\n\n    /**\n     * Paint the cached copy of the object on the target context.\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    drawCacheOnCanvas: function(ctx) {\n      ctx.scale(1 / this.zoomX, 1 / this.zoomY);\n      ctx.drawImage(this._cacheCanvas, -this.cacheTranslationX, -this.cacheTranslationY);\n    },\n\n    /**\n     * Check if cache is dirty\n     * @param {Boolean} skipCanvas skip canvas checks because this object is painted\n     * on parent canvas.\n     */\n    isCacheDirty: function(skipCanvas) {\n      if (this.isNotVisible()) {\n        return false;\n      }\n      if (this._cacheCanvas && !skipCanvas && this._updateCacheCanvas()) {\n        // in this case the context is already cleared.\n        return true;\n      }\n      else {\n        if (this.dirty ||\n          (this.clipPath && this.clipPath.absolutePositioned) ||\n          (this.statefullCache && this.hasStateChanged('cacheProperties'))\n        ) {\n          if (this._cacheCanvas && !skipCanvas) {\n            var width = this.cacheWidth / this.zoomX;\n            var height = this.cacheHeight / this.zoomY;\n            this._cacheContext.clearRect(-width / 2, -height / 2, width, height);\n          }\n          return true;\n        }\n      }\n      return false;\n    },\n\n    /**\n     * Draws a background for the object big as its untransformed dimensions\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderBackground: function(ctx) {\n      if (!this.backgroundColor) {\n        return;\n      }\n      var dim = this._getNonTransformedDimensions();\n      ctx.fillStyle = this.backgroundColor;\n\n      ctx.fillRect(\n        -dim.x / 2,\n        -dim.y / 2,\n        dim.x,\n        dim.y\n      );\n      // if there is background color no other shadows\n      // should be casted\n      this._removeShadow(ctx);\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _setOpacity: function(ctx) {\n      if (this.group && !this.group._transformDone) {\n        ctx.globalAlpha = this.getObjectOpacity();\n      }\n      else {\n        ctx.globalAlpha *= this.opacity;\n      }\n    },\n\n    _setStrokeStyles: function(ctx, decl) {\n      var stroke = decl.stroke;\n      if (stroke) {\n        ctx.lineWidth = decl.strokeWidth;\n        ctx.lineCap = decl.strokeLineCap;\n        ctx.lineDashOffset = decl.strokeDashOffset;\n        ctx.lineJoin = decl.strokeLineJoin;\n        ctx.miterLimit = decl.strokeMiterLimit;\n        if (stroke.toLive) {\n          if (stroke.gradientUnits === 'percentage' || stroke.gradientTransform || stroke.patternTransform) {\n            // need to transform gradient in a pattern.\n            // this is a slow process. If you are hitting this codepath, and the object\n            // is not using caching, you should consider switching it on.\n            // we need a canvas as big as the current object caching canvas.\n            this._applyPatternForTransformedGradient(ctx, stroke);\n          }\n          else {\n            // is a simple gradient or pattern\n            ctx.strokeStyle = stroke.toLive(ctx, this);\n            this._applyPatternGradientTransform(ctx, stroke);\n          }\n        }\n        else {\n          // is a color\n          ctx.strokeStyle = decl.stroke;\n        }\n      }\n    },\n\n    _setFillStyles: function(ctx, decl) {\n      var fill = decl.fill;\n      if (fill) {\n        if (fill.toLive) {\n          ctx.fillStyle = fill.toLive(ctx, this);\n          this._applyPatternGradientTransform(ctx, decl.fill);\n        }\n        else {\n          ctx.fillStyle = fill;\n        }\n      }\n    },\n\n    _setClippingProperties: function(ctx) {\n      ctx.globalAlpha = 1;\n      ctx.strokeStyle = 'transparent';\n      ctx.fillStyle = '#000000';\n    },\n\n    /**\n     * @private\n     * Sets line dash\n     * @param {CanvasRenderingContext2D} ctx Context to set the dash line on\n     * @param {Array} dashArray array representing dashes\n     * @param {Function} alternative function to call if browser does not support lineDash\n     */\n    _setLineDash: function(ctx, dashArray, alternative) {\n      if (!dashArray || dashArray.length === 0) {\n        return;\n      }\n      // Spec requires the concatenation of two copies the dash list when the number of elements is odd\n      if (1 & dashArray.length) {\n        dashArray.push.apply(dashArray, dashArray);\n      }\n      if (supportsLineDash) {\n        ctx.setLineDash(dashArray);\n      }\n      else {\n        alternative && alternative(ctx);\n      }\n    },\n\n    /**\n     * Renders controls and borders for the object\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @param {Object} [styleOverride] properties to override the object style\n     */\n    _renderControls: function(ctx, styleOverride) {\n      var vpt = this.getViewportTransform(),\n          matrix = this.calcTransformMatrix(),\n          options, drawBorders, drawControls;\n      styleOverride = styleOverride || { };\n      drawBorders = typeof styleOverride.hasBorders !== 'undefined' ? styleOverride.hasBorders : this.hasBorders;\n      drawControls = typeof styleOverride.hasControls !== 'undefined' ? styleOverride.hasControls : this.hasControls;\n      matrix = fabric.util.multiplyTransformMatrices(vpt, matrix);\n      options = fabric.util.qrDecompose(matrix);\n      ctx.save();\n      ctx.translate(options.translateX, options.translateY);\n      ctx.lineWidth = 1 * this.borderScaleFactor;\n      if (!this.group) {\n        ctx.globalAlpha = this.isMoving ? this.borderOpacityWhenMoving : 1;\n      }\n      if (styleOverride.forActiveSelection) {\n        ctx.rotate(degreesToRadians(options.angle));\n        drawBorders && this.drawBordersInGroup(ctx, options, styleOverride);\n      }\n      else {\n        ctx.rotate(degreesToRadians(this.angle));\n        drawBorders && this.drawBorders(ctx, styleOverride);\n      }\n      drawControls && this.drawControls(ctx, styleOverride);\n      ctx.restore();\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _setShadow: function(ctx) {\n      if (!this.shadow) {\n        return;\n      }\n\n      var shadow = this.shadow, canvas = this.canvas, scaling,\n          multX = (canvas && canvas.viewportTransform[0]) || 1,\n          multY = (canvas && canvas.viewportTransform[3]) || 1;\n      if (shadow.nonScaling) {\n        scaling = { scaleX: 1, scaleY: 1 };\n      }\n      else {\n        scaling = this.getObjectScaling();\n      }\n      if (canvas && canvas._isRetinaScaling()) {\n        multX *= fabric.devicePixelRatio;\n        multY *= fabric.devicePixelRatio;\n      }\n      ctx.shadowColor = shadow.color;\n      ctx.shadowBlur = shadow.blur * fabric.browserShadowBlurConstant *\n        (multX + multY) * (scaling.scaleX + scaling.scaleY) / 4;\n      ctx.shadowOffsetX = shadow.offsetX * multX * scaling.scaleX;\n      ctx.shadowOffsetY = shadow.offsetY * multY * scaling.scaleY;\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _removeShadow: function(ctx) {\n      if (!this.shadow) {\n        return;\n      }\n\n      ctx.shadowColor = '';\n      ctx.shadowBlur = ctx.shadowOffsetX = ctx.shadowOffsetY = 0;\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @param {Object} filler fabric.Pattern or fabric.Gradient\n     * @return {Object} offset.offsetX offset for text rendering\n     * @return {Object} offset.offsetY offset for text rendering\n     */\n    _applyPatternGradientTransform: function(ctx, filler) {\n      if (!filler || !filler.toLive) {\n        return { offsetX: 0, offsetY: 0 };\n      }\n      var t = filler.gradientTransform || filler.patternTransform;\n      var offsetX = -this.width / 2 + filler.offsetX || 0,\n          offsetY = -this.height / 2 + filler.offsetY || 0;\n\n      if (filler.gradientUnits === 'percentage') {\n        ctx.transform(this.width, 0, 0, this.height, offsetX, offsetY);\n      }\n      else {\n        ctx.transform(1, 0, 0, 1, offsetX, offsetY);\n      }\n      if (t) {\n        ctx.transform(t[0], t[1], t[2], t[3], t[4], t[5]);\n      }\n      return { offsetX: offsetX, offsetY: offsetY };\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderPaintInOrder: function(ctx) {\n      if (this.paintFirst === 'stroke') {\n        this._renderStroke(ctx);\n        this._renderFill(ctx);\n      }\n      else {\n        this._renderFill(ctx);\n        this._renderStroke(ctx);\n      }\n    },\n\n    /**\n     * @private\n     * function that actually render something on the context.\n     * empty here to allow Obects to work on tests to benchmark fabric functionalites\n     * not related to rendering\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _render: function(/* ctx */) {\n\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderFill: function(ctx) {\n      if (!this.fill) {\n        return;\n      }\n\n      ctx.save();\n      this._setFillStyles(ctx, this);\n      if (this.fillRule === 'evenodd') {\n        ctx.fill('evenodd');\n      }\n      else {\n        ctx.fill();\n      }\n      ctx.restore();\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderStroke: function(ctx) {\n      if (!this.stroke || this.strokeWidth === 0) {\n        return;\n      }\n\n      if (this.shadow && !this.shadow.affectStroke) {\n        this._removeShadow(ctx);\n      }\n\n      ctx.save();\n      if (this.strokeUniform && this.group) {\n        var scaling = this.getObjectScaling();\n        ctx.scale(1 / scaling.scaleX, 1 / scaling.scaleY);\n      }\n      else if (this.strokeUniform) {\n        ctx.scale(1 / this.scaleX, 1 / this.scaleY);\n      }\n      this._setLineDash(ctx, this.strokeDashArray, this._renderDashedStroke);\n      this._setStrokeStyles(ctx, this);\n      ctx.stroke();\n      ctx.restore();\n    },\n\n    /**\n     * This function try to patch the missing gradientTransform on canvas gradients.\n     * transforming a context to transform the gradient, is going to transform the stroke too.\n     * we want to transform the gradient but not the stroke operation, so we create\n     * a transformed gradient on a pattern and then we use the pattern instead of the gradient.\n     * this method has drwabacks: is slow, is in low resolution, needs a patch for when the size\n     * is limited.\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @param {fabric.Gradient} filler a fabric gradient instance\n     */\n    _applyPatternForTransformedGradient: function(ctx, filler) {\n      var dims = this._limitCacheSize(this._getCacheCanvasDimensions()),\n          pCanvas = fabric.util.createCanvasElement(), pCtx, retinaScaling = this.canvas.getRetinaScaling(),\n          width = dims.x / this.scaleX / retinaScaling, height = dims.y / this.scaleY / retinaScaling;\n      pCanvas.width = width;\n      pCanvas.height = height;\n      pCtx = pCanvas.getContext('2d');\n      pCtx.beginPath(); pCtx.moveTo(0, 0); pCtx.lineTo(width, 0); pCtx.lineTo(width, height);\n      pCtx.lineTo(0, height); pCtx.closePath();\n      pCtx.translate(width / 2, height / 2);\n      pCtx.scale(\n        dims.zoomX / this.scaleX / retinaScaling,\n        dims.zoomY / this.scaleY / retinaScaling\n      );\n      this._applyPatternGradientTransform(pCtx, filler);\n      pCtx.fillStyle = filler.toLive(ctx);\n      pCtx.fill();\n      ctx.translate(-this.width / 2 - this.strokeWidth / 2, -this.height / 2 - this.strokeWidth / 2);\n      ctx.scale(\n        retinaScaling * this.scaleX / dims.zoomX,\n        retinaScaling * this.scaleY / dims.zoomY\n      );\n      ctx.strokeStyle = pCtx.createPattern(pCanvas, 'no-repeat');\n    },\n\n    /**\n     * This function is an helper for svg import. it returns the center of the object in the svg\n     * untransformed coordinates\n     * @private\n     * @return {Object} center point from element coordinates\n     */\n    _findCenterFromElement: function() {\n      return { x: this.left + this.width / 2, y: this.top + this.height / 2 };\n    },\n\n    /**\n     * This function is an helper for svg import. it decompose the transformMatrix\n     * and assign properties to object.\n     * untransformed coordinates\n     * @private\n     * @chainable\n     */\n    _assignTransformMatrixProps: function() {\n      if (this.transformMatrix) {\n        var options = fabric.util.qrDecompose(this.transformMatrix);\n        this.flipX = false;\n        this.flipY = false;\n        this.set('scaleX', options.scaleX);\n        this.set('scaleY', options.scaleY);\n        this.angle = options.angle;\n        this.skewX = options.skewX;\n        this.skewY = 0;\n      }\n    },\n\n    /**\n     * This function is an helper for svg import. it removes the transform matrix\n     * and set to object properties that fabricjs can handle\n     * @private\n     * @param {Object} preserveAspectRatioOptions\n     * @return {thisArg}\n     */\n    _removeTransformMatrix: function(preserveAspectRatioOptions) {\n      var center = this._findCenterFromElement();\n      if (this.transformMatrix) {\n        this._assignTransformMatrixProps();\n        center = fabric.util.transformPoint(center, this.transformMatrix);\n      }\n      this.transformMatrix = null;\n      if (preserveAspectRatioOptions) {\n        this.scaleX *= preserveAspectRatioOptions.scaleX;\n        this.scaleY *= preserveAspectRatioOptions.scaleY;\n        this.cropX = preserveAspectRatioOptions.cropX;\n        this.cropY = preserveAspectRatioOptions.cropY;\n        center.x += preserveAspectRatioOptions.offsetLeft;\n        center.y += preserveAspectRatioOptions.offsetTop;\n        this.width = preserveAspectRatioOptions.width;\n        this.height = preserveAspectRatioOptions.height;\n      }\n      this.setPositionByOrigin(center, 'center', 'center');\n    },\n\n    /**\n     * Clones an instance, using a callback method will work for every object.\n     * @param {Function} callback Callback is invoked with a clone as a first argument\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     */\n    clone: function(callback, propertiesToInclude) {\n      var objectForm = this.toObject(propertiesToInclude);\n      if (this.constructor.fromObject) {\n        this.constructor.fromObject(objectForm, callback);\n      }\n      else {\n        fabric.Object._fromObject('Object', objectForm, callback);\n      }\n    },\n\n    /**\n     * Creates an instance of fabric.Image out of an object\n     * makes use of toCanvasElement.\n     * Once this method was based on toDataUrl and loadImage, so it also had a quality\n     * and format option. toCanvasElement is faster and produce no loss of quality.\n     * If you need to get a real Jpeg or Png from an object, using toDataURL is the right way to do it.\n     * toCanvasElement and then toBlob from the obtained canvas is also a good option.\n     * This method is sync now, but still support the callback because we did not want to break.\n     * When fabricJS 5.0 will be planned, this will probably be changed to not have a callback.\n     * @param {Function} callback callback, invoked with an instance as a first argument\n     * @param {Object} [options] for clone as image, passed to toDataURL\n     * @param {Number} [options.multiplier=1] Multiplier to scale by\n     * @param {Number} [options.left] Cropping left offset. Introduced in v1.2.14\n     * @param {Number} [options.top] Cropping top offset. Introduced in v1.2.14\n     * @param {Number} [options.width] Cropping width. Introduced in v1.2.14\n     * @param {Number} [options.height] Cropping height. Introduced in v1.2.14\n     * @param {Boolean} [options.enableRetinaScaling] Enable retina scaling for clone image. Introduce in 1.6.4\n     * @param {Boolean} [options.withoutTransform] Remove current object transform ( no scale , no angle, no flip, no skew ). Introduced in 2.3.4\n     * @param {Boolean} [options.withoutShadow] Remove current object shadow. Introduced in 2.4.2\n     * @return {fabric.Object} thisArg\n     */\n    cloneAsImage: function(callback, options) {\n      var canvasEl = this.toCanvasElement(options);\n      if (callback) {\n        callback(new fabric.Image(canvasEl));\n      }\n      return this;\n    },\n\n    /**\n     * Converts an object into a HTMLCanvas element\n     * @param {Object} options Options object\n     * @param {Number} [options.multiplier=1] Multiplier to scale by\n     * @param {Number} [options.left] Cropping left offset. Introduced in v1.2.14\n     * @param {Number} [options.top] Cropping top offset. Introduced in v1.2.14\n     * @param {Number} [options.width] Cropping width. Introduced in v1.2.14\n     * @param {Number} [options.height] Cropping height. Introduced in v1.2.14\n     * @param {Boolean} [options.enableRetinaScaling] Enable retina scaling for clone image. Introduce in 1.6.4\n     * @param {Boolean} [options.withoutTransform] Remove current object transform ( no scale , no angle, no flip, no skew ). Introduced in 2.3.4\n     * @param {Boolean} [options.withoutShadow] Remove current object shadow. Introduced in 2.4.2\n     * @return {HTMLCanvasElement} Returns DOM element <canvas> with the fabric.Object\n     */\n    toCanvasElement: function(options) {\n      options || (options = { });\n\n      var utils = fabric.util, origParams = utils.saveObjectTransform(this),\n          originalGroup = this.group,\n          originalShadow = this.shadow, abs = Math.abs,\n          multiplier = (options.multiplier || 1) * (options.enableRetinaScaling ? fabric.devicePixelRatio : 1);\n      delete this.group;\n      if (options.withoutTransform) {\n        utils.resetObjectTransform(this);\n      }\n      if (options.withoutShadow) {\n        this.shadow = null;\n      }\n\n      var el = fabric.util.createCanvasElement(),\n          // skip canvas zoom and calculate with setCoords now.\n          boundingRect = this.getBoundingRect(true, true),\n          shadow = this.shadow, scaling,\n          shadowOffset = { x: 0, y: 0 }, shadowBlur,\n          width, height;\n\n      if (shadow) {\n        shadowBlur = shadow.blur;\n        if (shadow.nonScaling) {\n          scaling = { scaleX: 1, scaleY: 1 };\n        }\n        else {\n          scaling = this.getObjectScaling();\n        }\n        // consider non scaling shadow.\n        shadowOffset.x = 2 * Math.round(abs(shadow.offsetX) + shadowBlur) * (abs(scaling.scaleX));\n        shadowOffset.y = 2 * Math.round(abs(shadow.offsetY) + shadowBlur) * (abs(scaling.scaleY));\n      }\n      width = boundingRect.width + shadowOffset.x;\n      height = boundingRect.height + shadowOffset.y;\n      // if the current width/height is not an integer\n      // we need to make it so.\n      el.width = Math.ceil(width);\n      el.height = Math.ceil(height);\n      var canvas = new fabric.StaticCanvas(el, {\n        enableRetinaScaling: false,\n        renderOnAddRemove: false,\n        skipOffscreen: false,\n      });\n      if (options.format === 'jpeg') {\n        canvas.backgroundColor = '#fff';\n      }\n      this.setPositionByOrigin(new fabric.Point(canvas.width / 2, canvas.height / 2), 'center', 'center');\n\n      var originalCanvas = this.canvas;\n      canvas.add(this);\n      var canvasEl = canvas.toCanvasElement(multiplier || 1, options);\n      this.shadow = originalShadow;\n      this.set('canvas', originalCanvas);\n      if (originalGroup) {\n        this.group = originalGroup;\n      }\n      this.set(origParams).setCoords();\n      // canvas.dispose will call image.dispose that will nullify the elements\n      // since this canvas is a simple element for the process, we remove references\n      // to objects in this way in order to avoid object trashing.\n      canvas._objects = [];\n      canvas.dispose();\n      canvas = null;\n\n      return canvasEl;\n    },\n\n    /**\n     * Converts an object into a data-url-like string\n     * @param {Object} options Options object\n     * @param {String} [options.format=png] The format of the output image. Either \"jpeg\" or \"png\"\n     * @param {Number} [options.quality=1] Quality level (0..1). Only used for jpeg.\n     * @param {Number} [options.multiplier=1] Multiplier to scale by\n     * @param {Number} [options.left] Cropping left offset. Introduced in v1.2.14\n     * @param {Number} [options.top] Cropping top offset. Introduced in v1.2.14\n     * @param {Number} [options.width] Cropping width. Introduced in v1.2.14\n     * @param {Number} [options.height] Cropping height. Introduced in v1.2.14\n     * @param {Boolean} [options.enableRetinaScaling] Enable retina scaling for clone image. Introduce in 1.6.4\n     * @param {Boolean} [options.withoutTransform] Remove current object transform ( no scale , no angle, no flip, no skew ). Introduced in 2.3.4\n     * @param {Boolean} [options.withoutShadow] Remove current object shadow. Introduced in 2.4.2\n     * @return {String} Returns a data: URL containing a representation of the object in the format specified by options.format\n     */\n    toDataURL: function(options) {\n      options || (options = { });\n      return fabric.util.toDataURL(this.toCanvasElement(options), options.format || 'png', options.quality || 1);\n    },\n\n    /**\n     * Returns true if specified type is identical to the type of an instance\n     * @param {String} type Type to check against\n     * @return {Boolean}\n     */\n    isType: function(type) {\n      return this.type === type;\n    },\n\n    /**\n     * Returns complexity of an instance\n     * @return {Number} complexity of this instance (is 1 unless subclassed)\n     */\n    complexity: function() {\n      return 1;\n    },\n\n    /**\n     * Returns a JSON representation of an instance\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} JSON\n     */\n    toJSON: function(propertiesToInclude) {\n      // delegate, not alias\n      return this.toObject(propertiesToInclude);\n    },\n\n    /**\n     * Sets \"angle\" of an instance with centered rotation\n     * @param {Number} angle Angle value (in degrees)\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    rotate: function(angle) {\n      var shouldCenterOrigin = (this.originX !== 'center' || this.originY !== 'center') && this.centeredRotation;\n\n      if (shouldCenterOrigin) {\n        this._setOriginToCenter();\n      }\n\n      this.set('angle', angle);\n\n      if (shouldCenterOrigin) {\n        this._resetOrigin();\n      }\n\n      return this;\n    },\n\n    /**\n     * Centers object horizontally on canvas to which it was added last.\n     * You might need to call `setCoords` on an object after centering, to update controls area.\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    centerH: function () {\n      this.canvas && this.canvas.centerObjectH(this);\n      return this;\n    },\n\n    /**\n     * Centers object horizontally on current viewport of canvas to which it was added last.\n     * You might need to call `setCoords` on an object after centering, to update controls area.\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    viewportCenterH: function () {\n      this.canvas && this.canvas.viewportCenterObjectH(this);\n      return this;\n    },\n\n    /**\n     * Centers object vertically on canvas to which it was added last.\n     * You might need to call `setCoords` on an object after centering, to update controls area.\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    centerV: function () {\n      this.canvas && this.canvas.centerObjectV(this);\n      return this;\n    },\n\n    /**\n     * Centers object vertically on current viewport of canvas to which it was added last.\n     * You might need to call `setCoords` on an object after centering, to update controls area.\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    viewportCenterV: function () {\n      this.canvas && this.canvas.viewportCenterObjectV(this);\n      return this;\n    },\n\n    /**\n     * Centers object vertically and horizontally on canvas to which is was added last\n     * You might need to call `setCoords` on an object after centering, to update controls area.\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    center: function () {\n      this.canvas && this.canvas.centerObject(this);\n      return this;\n    },\n\n    /**\n     * Centers object on current viewport of canvas to which it was added last.\n     * You might need to call `setCoords` on an object after centering, to update controls area.\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    viewportCenter: function () {\n      this.canvas && this.canvas.viewportCenterObject(this);\n      return this;\n    },\n\n    /**\n     * Returns coordinates of a pointer relative to an object\n     * @param {Event} e Event to operate upon\n     * @param {Object} [pointer] Pointer to operate upon (instead of event)\n     * @return {Object} Coordinates of a pointer (x, y)\n     */\n    getLocalPointer: function(e, pointer) {\n      pointer = pointer || this.canvas.getPointer(e);\n      var pClicked = new fabric.Point(pointer.x, pointer.y),\n          objectLeftTop = this._getLeftTopCoords();\n      if (this.angle) {\n        pClicked = fabric.util.rotatePoint(\n          pClicked, objectLeftTop, degreesToRadians(-this.angle));\n      }\n      return {\n        x: pClicked.x - objectLeftTop.x,\n        y: pClicked.y - objectLeftTop.y\n      };\n    },\n\n    /**\n     * Sets canvas globalCompositeOperation for specific object\n     * custom composition operation for the particular object can be specified using globalCompositeOperation property\n     * @param {CanvasRenderingContext2D} ctx Rendering canvas context\n     */\n    _setupCompositeOperation: function (ctx) {\n      if (this.globalCompositeOperation) {\n        ctx.globalCompositeOperation = this.globalCompositeOperation;\n      }\n    }\n  });\n\n  fabric.util.createAccessors && fabric.util.createAccessors(fabric.Object);\n\n  extend(fabric.Object.prototype, fabric.Observable);\n\n  /**\n   * Defines the number of fraction digits to use when serializing object values.\n   * You can use it to increase/decrease precision of such values like left, top, scaleX, scaleY, etc.\n   * @static\n   * @memberOf fabric.Object\n   * @constant\n   * @type Number\n   */\n  fabric.Object.NUM_FRACTION_DIGITS = 2;\n\n  fabric.Object._fromObject = function(className, object, callback, extraParam) {\n    var klass = fabric[className];\n    object = clone(object, true);\n    fabric.util.enlivenPatterns([object.fill, object.stroke], function(patterns) {\n      if (typeof patterns[0] !== 'undefined') {\n        object.fill = patterns[0];\n      }\n      if (typeof patterns[1] !== 'undefined') {\n        object.stroke = patterns[1];\n      }\n      fabric.util.enlivenObjects([object.clipPath], function(enlivedProps) {\n        object.clipPath = enlivedProps[0];\n        var instance = extraParam ? new klass(object[extraParam], object) : new klass(object);\n        callback && callback(instance);\n      });\n    });\n  };\n\n  /**\n   * Unique id used internally when creating SVG elements\n   * @static\n   * @memberOf fabric.Object\n   * @type Number\n   */\n  fabric.Object.__uid = 0;\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function() {\n\n  var degreesToRadians = fabric.util.degreesToRadians,\n      originXOffset = {\n        left: -0.5,\n        center: 0,\n        right: 0.5\n      },\n      originYOffset = {\n        top: -0.5,\n        center: 0,\n        bottom: 0.5\n      };\n\n  fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prototype */ {\n\n    /**\n     * Translates the coordinates from a set of origin to another (based on the object's dimensions)\n     * @param {fabric.Point} point The point which corresponds to the originX and originY params\n     * @param {String} fromOriginX Horizontal origin: 'left', 'center' or 'right'\n     * @param {String} fromOriginY Vertical origin: 'top', 'center' or 'bottom'\n     * @param {String} toOriginX Horizontal origin: 'left', 'center' or 'right'\n     * @param {String} toOriginY Vertical origin: 'top', 'center' or 'bottom'\n     * @return {fabric.Point}\n     */\n    translateToGivenOrigin: function(point, fromOriginX, fromOriginY, toOriginX, toOriginY) {\n      var x = point.x,\n          y = point.y,\n          offsetX, offsetY, dim;\n\n      if (typeof fromOriginX === 'string') {\n        fromOriginX = originXOffset[fromOriginX];\n      }\n      else {\n        fromOriginX -= 0.5;\n      }\n\n      if (typeof toOriginX === 'string') {\n        toOriginX = originXOffset[toOriginX];\n      }\n      else {\n        toOriginX -= 0.5;\n      }\n\n      offsetX = toOriginX - fromOriginX;\n\n      if (typeof fromOriginY === 'string') {\n        fromOriginY = originYOffset[fromOriginY];\n      }\n      else {\n        fromOriginY -= 0.5;\n      }\n\n      if (typeof toOriginY === 'string') {\n        toOriginY = originYOffset[toOriginY];\n      }\n      else {\n        toOriginY -= 0.5;\n      }\n\n      offsetY = toOriginY - fromOriginY;\n\n      if (offsetX || offsetY) {\n        dim = this._getTransformedDimensions();\n        x = point.x + offsetX * dim.x;\n        y = point.y + offsetY * dim.y;\n      }\n\n      return new fabric.Point(x, y);\n    },\n\n    /**\n     * Translates the coordinates from origin to center coordinates (based on the object's dimensions)\n     * @param {fabric.Point} point The point which corresponds to the originX and originY params\n     * @param {String} originX Horizontal origin: 'left', 'center' or 'right'\n     * @param {String} originY Vertical origin: 'top', 'center' or 'bottom'\n     * @return {fabric.Point}\n     */\n    translateToCenterPoint: function(point, originX, originY) {\n      var p = this.translateToGivenOrigin(point, originX, originY, 'center', 'center');\n      if (this.angle) {\n        return fabric.util.rotatePoint(p, point, degreesToRadians(this.angle));\n      }\n      return p;\n    },\n\n    /**\n     * Translates the coordinates from center to origin coordinates (based on the object's dimensions)\n     * @param {fabric.Point} center The point which corresponds to center of the object\n     * @param {String} originX Horizontal origin: 'left', 'center' or 'right'\n     * @param {String} originY Vertical origin: 'top', 'center' or 'bottom'\n     * @return {fabric.Point}\n     */\n    translateToOriginPoint: function(center, originX, originY) {\n      var p = this.translateToGivenOrigin(center, 'center', 'center', originX, originY);\n      if (this.angle) {\n        return fabric.util.rotatePoint(p, center, degreesToRadians(this.angle));\n      }\n      return p;\n    },\n\n    /**\n     * Returns the real center coordinates of the object\n     * @return {fabric.Point}\n     */\n    getCenterPoint: function() {\n      var leftTop = new fabric.Point(this.left, this.top);\n      return this.translateToCenterPoint(leftTop, this.originX, this.originY);\n    },\n\n    /**\n     * Returns the coordinates of the object based on center coordinates\n     * @param {fabric.Point} point The point which corresponds to the originX and originY params\n     * @return {fabric.Point}\n     */\n    // getOriginPoint: function(center) {\n    //   return this.translateToOriginPoint(center, this.originX, this.originY);\n    // },\n\n    /**\n     * Returns the coordinates of the object as if it has a different origin\n     * @param {String} originX Horizontal origin: 'left', 'center' or 'right'\n     * @param {String} originY Vertical origin: 'top', 'center' or 'bottom'\n     * @return {fabric.Point}\n     */\n    getPointByOrigin: function(originX, originY) {\n      var center = this.getCenterPoint();\n      return this.translateToOriginPoint(center, originX, originY);\n    },\n\n    /**\n     * Returns the point in local coordinates\n     * @param {fabric.Point} point The point relative to the global coordinate system\n     * @param {String} originX Horizontal origin: 'left', 'center' or 'right'\n     * @param {String} originY Vertical origin: 'top', 'center' or 'bottom'\n     * @return {fabric.Point}\n     */\n    toLocalPoint: function(point, originX, originY) {\n      var center = this.getCenterPoint(),\n          p, p2;\n\n      if (typeof originX !== 'undefined' && typeof originY !== 'undefined' ) {\n        p = this.translateToGivenOrigin(center, 'center', 'center', originX, originY);\n      }\n      else {\n        p = new fabric.Point(this.left, this.top);\n      }\n\n      p2 = new fabric.Point(point.x, point.y);\n      if (this.angle) {\n        p2 = fabric.util.rotatePoint(p2, center, -degreesToRadians(this.angle));\n      }\n      return p2.subtractEquals(p);\n    },\n\n    /**\n     * Returns the point in global coordinates\n     * @param {fabric.Point} The point relative to the local coordinate system\n     * @return {fabric.Point}\n     */\n    // toGlobalPoint: function(point) {\n    //   return fabric.util.rotatePoint(point, this.getCenterPoint(), degreesToRadians(this.angle)).addEquals(new fabric.Point(this.left, this.top));\n    // },\n\n    /**\n     * Sets the position of the object taking into consideration the object's origin\n     * @param {fabric.Point} pos The new position of the object\n     * @param {String} originX Horizontal origin: 'left', 'center' or 'right'\n     * @param {String} originY Vertical origin: 'top', 'center' or 'bottom'\n     * @return {void}\n     */\n    setPositionByOrigin: function(pos, originX, originY) {\n      var center = this.translateToCenterPoint(pos, originX, originY),\n          position = this.translateToOriginPoint(center, this.originX, this.originY);\n      this.set('left', position.x);\n      this.set('top', position.y);\n    },\n\n    /**\n     * @param {String} to One of 'left', 'center', 'right'\n     */\n    adjustPosition: function(to) {\n      var angle = degreesToRadians(this.angle),\n          hypotFull = this.getScaledWidth(),\n          xFull = fabric.util.cos(angle) * hypotFull,\n          yFull = fabric.util.sin(angle) * hypotFull,\n          offsetFrom, offsetTo;\n\n      //TODO: this function does not consider mixed situation like top, center.\n      if (typeof this.originX === 'string') {\n        offsetFrom = originXOffset[this.originX];\n      }\n      else {\n        offsetFrom = this.originX - 0.5;\n      }\n      if (typeof to === 'string') {\n        offsetTo = originXOffset[to];\n      }\n      else {\n        offsetTo = to - 0.5;\n      }\n      this.left += xFull * (offsetTo - offsetFrom);\n      this.top += yFull * (offsetTo - offsetFrom);\n      this.setCoords();\n      this.originX = to;\n    },\n\n    /**\n     * Sets the origin/position of the object to it's center point\n     * @private\n     * @return {void}\n     */\n    _setOriginToCenter: function() {\n      this._originalOriginX = this.originX;\n      this._originalOriginY = this.originY;\n\n      var center = this.getCenterPoint();\n\n      this.originX = 'center';\n      this.originY = 'center';\n\n      this.left = center.x;\n      this.top = center.y;\n    },\n\n    /**\n     * Resets the origin/position of the object to it's original origin\n     * @private\n     * @return {void}\n     */\n    _resetOrigin: function() {\n      var originPoint = this.translateToOriginPoint(\n        this.getCenterPoint(),\n        this._originalOriginX,\n        this._originalOriginY);\n\n      this.originX = this._originalOriginX;\n      this.originY = this._originalOriginY;\n\n      this.left = originPoint.x;\n      this.top = originPoint.y;\n\n      this._originalOriginX = null;\n      this._originalOriginY = null;\n    },\n\n    /**\n     * @private\n     */\n    _getLeftTopCoords: function() {\n      return this.translateToOriginPoint(this.getCenterPoint(), 'left', 'top');\n    },\n  });\n\n})();\n\n\n(function() {\n\n  function arrayFromCoords(coords) {\n    return [\n      new fabric.Point(coords.tl.x, coords.tl.y),\n      new fabric.Point(coords.tr.x, coords.tr.y),\n      new fabric.Point(coords.br.x, coords.br.y),\n      new fabric.Point(coords.bl.x, coords.bl.y)\n    ];\n  }\n\n  var util = fabric.util,\n      degreesToRadians = util.degreesToRadians,\n      multiplyMatrices = util.multiplyTransformMatrices,\n      transformPoint = util.transformPoint;\n\n  util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prototype */ {\n\n    /**\n     * Describe object's corner position in canvas element coordinates.\n     * properties are depending on control keys and padding the main controls.\n     * each property is an object with x, y and corner.\n     * The `corner` property contains in a similar manner the 4 points of the\n     * interactive area of the corner.\n     * The coordinates depends from the controls positionHandler and are used\n     * to draw and locate controls\n     * @memberOf fabric.Object.prototype\n     */\n    oCoords: null,\n\n    /**\n     * Describe object's corner position in canvas object absolute coordinates\n     * properties are tl,tr,bl,br and describe the four main corner.\n     * each property is an object with x, y, instance of Fabric.Point.\n     * The coordinates depends from this properties: width, height, scaleX, scaleY\n     * skewX, skewY, angle, strokeWidth, top, left.\n     * Those coordinates are useful to understand where an object is. They get updated\n     * with oCoords but they do not need to be updated when zoom or panning change.\n     * The coordinates get updated with @method setCoords.\n     * You can calculate them without updating with @method calcACoords();\n     * @memberOf fabric.Object.prototype\n     */\n    aCoords: null,\n\n    /**\n     * Describe object's corner position in canvas element coordinates.\n     * includes padding. Used of object detection.\n     * set and refreshed with setCoords and calcCoords.\n     * @memberOf fabric.Object.prototype\n     */\n    lineCoords: null,\n\n    /**\n     * storage for object transform matrix\n     */\n    ownMatrixCache: null,\n\n    /**\n     * storage for object full transform matrix\n     */\n    matrixCache: null,\n\n    /**\n     * custom controls interface\n     * controls are added by default_controls.js\n     */\n    controls: { },\n\n    /**\n     * return correct set of coordinates for intersection\n     * this will return either aCoords or lineCoords.\n     * @param {Boolean} absolute will return aCoords if true or lineCoords\n     * @return {Object} {tl, tr, br, bl} points\n     */\n    _getCoords: function(absolute, calculate) {\n      if (calculate) {\n        return (absolute ? this.calcACoords() : this.calcLineCoords());\n      }\n      if (!this.aCoords || !this.lineCoords) {\n        this.setCoords(true);\n      }\n      return (absolute ? this.aCoords : this.lineCoords);\n    },\n\n    /**\n     * return correct set of coordinates for intersection\n     * this will return either aCoords or lineCoords.\n     * The coords are returned in an array.\n     * @return {Array} [tl, tr, br, bl] of points\n     */\n    getCoords: function(absolute, calculate) {\n      return arrayFromCoords(this._getCoords(absolute, calculate));\n    },\n\n    /**\n     * Checks if object intersects with an area formed by 2 points\n     * @param {Object} pointTL top-left point of area\n     * @param {Object} pointBR bottom-right point of area\n     * @param {Boolean} [absolute] use coordinates without viewportTransform\n     * @param {Boolean} [calculate] use coordinates of current position instead of .oCoords\n     * @return {Boolean} true if object intersects with an area formed by 2 points\n     */\n    intersectsWithRect: function(pointTL, pointBR, absolute, calculate) {\n      var coords = this.getCoords(absolute, calculate),\n          intersection = fabric.Intersection.intersectPolygonRectangle(\n            coords,\n            pointTL,\n            pointBR\n          );\n      return intersection.status === 'Intersection';\n    },\n\n    /**\n     * Checks if object intersects with another object\n     * @param {Object} other Object to test\n     * @param {Boolean} [absolute] use coordinates without viewportTransform\n     * @param {Boolean} [calculate] use coordinates of current position instead of .oCoords\n     * @return {Boolean} true if object intersects with another object\n     */\n    intersectsWithObject: function(other, absolute, calculate) {\n      var intersection = fabric.Intersection.intersectPolygonPolygon(\n        this.getCoords(absolute, calculate),\n        other.getCoords(absolute, calculate)\n      );\n\n      return intersection.status === 'Intersection'\n        || other.isContainedWithinObject(this, absolute, calculate)\n        || this.isContainedWithinObject(other, absolute, calculate);\n    },\n\n    /**\n     * Checks if object is fully contained within area of another object\n     * @param {Object} other Object to test\n     * @param {Boolean} [absolute] use coordinates without viewportTransform\n     * @param {Boolean} [calculate] use coordinates of current position instead of .oCoords\n     * @return {Boolean} true if object is fully contained within area of another object\n     */\n    isContainedWithinObject: function(other, absolute, calculate) {\n      var points = this.getCoords(absolute, calculate),\n          otherCoords = absolute ? other.aCoords : other.lineCoords,\n          i = 0, lines = other._getImageLines(otherCoords);\n      for (; i < 4; i++) {\n        if (!other.containsPoint(points[i], lines)) {\n          return false;\n        }\n      }\n      return true;\n    },\n\n    /**\n     * Checks if object is fully contained within area formed by 2 points\n     * @param {Object} pointTL top-left point of area\n     * @param {Object} pointBR bottom-right point of area\n     * @param {Boolean} [absolute] use coordinates without viewportTransform\n     * @param {Boolean} [calculate] use coordinates of current position instead of .oCoords\n     * @return {Boolean} true if object is fully contained within area formed by 2 points\n     */\n    isContainedWithinRect: function(pointTL, pointBR, absolute, calculate) {\n      var boundingRect = this.getBoundingRect(absolute, calculate);\n\n      return (\n        boundingRect.left >= pointTL.x &&\n        boundingRect.left + boundingRect.width <= pointBR.x &&\n        boundingRect.top >= pointTL.y &&\n        boundingRect.top + boundingRect.height <= pointBR.y\n      );\n    },\n\n    /**\n     * Checks if point is inside the object\n     * @param {fabric.Point} point Point to check against\n     * @param {Object} [lines] object returned from @method _getImageLines\n     * @param {Boolean} [absolute] use coordinates without viewportTransform\n     * @param {Boolean} [calculate] use coordinates of current position instead of .oCoords\n     * @return {Boolean} true if point is inside the object\n     */\n    containsPoint: function(point, lines, absolute, calculate) {\n      var coords = this._getCoords(absolute, calculate),\n          lines = lines || this._getImageLines(coords),\n          xPoints = this._findCrossPoints(point, lines);\n      // if xPoints is odd then point is inside the object\n      return (xPoints !== 0 && xPoints % 2 === 1);\n    },\n\n    /**\n     * Checks if object is contained within the canvas with current viewportTransform\n     * the check is done stopping at first point that appears on screen\n     * @param {Boolean} [calculate] use coordinates of current position instead of .aCoords\n     * @return {Boolean} true if object is fully or partially contained within canvas\n     */\n    isOnScreen: function(calculate) {\n      if (!this.canvas) {\n        return false;\n      }\n      var pointTL = this.canvas.vptCoords.tl, pointBR = this.canvas.vptCoords.br;\n      var points = this.getCoords(true, calculate);\n      // if some point is on screen, the object is on screen.\n      if (points.some(function(point) {\n        return point.x <= pointBR.x && point.x >= pointTL.x &&\n        point.y <= pointBR.y && point.y >= pointTL.y;\n      })) {\n        return true;\n      }\n      // no points on screen, check intersection with absolute coordinates\n      if (this.intersectsWithRect(pointTL, pointBR, true, calculate)) {\n        return true;\n      }\n      return this._containsCenterOfCanvas(pointTL, pointBR, calculate);\n    },\n\n    /**\n     * Checks if the object contains the midpoint between canvas extremities\n     * Does not make sense outside the context of isOnScreen and isPartiallyOnScreen\n     * @private\n     * @param {Fabric.Point} pointTL Top Left point\n     * @param {Fabric.Point} pointBR Top Right point\n     * @param {Boolean} calculate use coordinates of current position instead of .oCoords\n     * @return {Boolean} true if the object contains the point\n     */\n    _containsCenterOfCanvas: function(pointTL, pointBR, calculate) {\n      // worst case scenario the object is so big that contains the screen\n      var centerPoint = { x: (pointTL.x + pointBR.x) / 2, y: (pointTL.y + pointBR.y) / 2 };\n      if (this.containsPoint(centerPoint, null, true, calculate)) {\n        return true;\n      }\n      return false;\n    },\n\n    /**\n     * Checks if object is partially contained within the canvas with current viewportTransform\n     * @param {Boolean} [calculate] use coordinates of current position instead of .oCoords\n     * @return {Boolean} true if object is partially contained within canvas\n     */\n    isPartiallyOnScreen: function(calculate) {\n      if (!this.canvas) {\n        return false;\n      }\n      var pointTL = this.canvas.vptCoords.tl, pointBR = this.canvas.vptCoords.br;\n      if (this.intersectsWithRect(pointTL, pointBR, true, calculate)) {\n        return true;\n      }\n      var allPointsAreOutside = this.getCoords(true, calculate).every(function(point) {\n        return (point.x >= pointBR.x || point.x <= pointTL.x) &&\n        (point.y >= pointBR.y || point.y <= pointTL.y);\n      });\n      return allPointsAreOutside && this._containsCenterOfCanvas(pointTL, pointBR, calculate);\n    },\n\n    /**\n     * Method that returns an object with the object edges in it, given the coordinates of the corners\n     * @private\n     * @param {Object} oCoords Coordinates of the object corners\n     */\n    _getImageLines: function(oCoords) {\n\n      var lines = {\n        topline: {\n          o: oCoords.tl,\n          d: oCoords.tr\n        },\n        rightline: {\n          o: oCoords.tr,\n          d: oCoords.br\n        },\n        bottomline: {\n          o: oCoords.br,\n          d: oCoords.bl\n        },\n        leftline: {\n          o: oCoords.bl,\n          d: oCoords.tl\n        }\n      };\n\n      // // debugging\n      // if (this.canvas.contextTop) {\n      //   this.canvas.contextTop.fillRect(lines.bottomline.d.x, lines.bottomline.d.y, 2, 2);\n      //   this.canvas.contextTop.fillRect(lines.bottomline.o.x, lines.bottomline.o.y, 2, 2);\n      //\n      //   this.canvas.contextTop.fillRect(lines.leftline.d.x, lines.leftline.d.y, 2, 2);\n      //   this.canvas.contextTop.fillRect(lines.leftline.o.x, lines.leftline.o.y, 2, 2);\n      //\n      //   this.canvas.contextTop.fillRect(lines.topline.d.x, lines.topline.d.y, 2, 2);\n      //   this.canvas.contextTop.fillRect(lines.topline.o.x, lines.topline.o.y, 2, 2);\n      //\n      //   this.canvas.contextTop.fillRect(lines.rightline.d.x, lines.rightline.d.y, 2, 2);\n      //   this.canvas.contextTop.fillRect(lines.rightline.o.x, lines.rightline.o.y, 2, 2);\n      // }\n\n      return lines;\n    },\n\n    /**\n     * Helper method to determine how many cross points are between the 4 object edges\n     * and the horizontal line determined by a point on canvas\n     * @private\n     * @param {fabric.Point} point Point to check\n     * @param {Object} lines Coordinates of the object being evaluated\n     */\n    // remove yi, not used but left code here just in case.\n    _findCrossPoints: function(point, lines) {\n      var b1, b2, a1, a2, xi, // yi,\n          xcount = 0,\n          iLine;\n\n      for (var lineKey in lines) {\n        iLine = lines[lineKey];\n        // optimisation 1: line below point. no cross\n        if ((iLine.o.y < point.y) && (iLine.d.y < point.y)) {\n          continue;\n        }\n        // optimisation 2: line above point. no cross\n        if ((iLine.o.y >= point.y) && (iLine.d.y >= point.y)) {\n          continue;\n        }\n        // optimisation 3: vertical line case\n        if ((iLine.o.x === iLine.d.x) && (iLine.o.x >= point.x)) {\n          xi = iLine.o.x;\n          // yi = point.y;\n        }\n        // calculate the intersection point\n        else {\n          b1 = 0;\n          b2 = (iLine.d.y - iLine.o.y) / (iLine.d.x - iLine.o.x);\n          a1 = point.y - b1 * point.x;\n          a2 = iLine.o.y - b2 * iLine.o.x;\n\n          xi = -(a1 - a2) / (b1 - b2);\n          // yi = a1 + b1 * xi;\n        }\n        // dont count xi < point.x cases\n        if (xi >= point.x) {\n          xcount += 1;\n        }\n        // optimisation 4: specific for square images\n        if (xcount === 2) {\n          break;\n        }\n      }\n      return xcount;\n    },\n\n    /**\n     * Returns coordinates of object's bounding rectangle (left, top, width, height)\n     * the box is intended as aligned to axis of canvas.\n     * @param {Boolean} [absolute] use coordinates without viewportTransform\n     * @param {Boolean} [calculate] use coordinates of current position instead of .oCoords / .aCoords\n     * @return {Object} Object with left, top, width, height properties\n     */\n    getBoundingRect: function(absolute, calculate) {\n      var coords = this.getCoords(absolute, calculate);\n      return util.makeBoundingBoxFromPoints(coords);\n    },\n\n    /**\n     * Returns width of an object's bounding box counting transformations\n     * before 2.0 it was named getWidth();\n     * @return {Number} width value\n     */\n    getScaledWidth: function() {\n      return this._getTransformedDimensions().x;\n    },\n\n    /**\n     * Returns height of an object bounding box counting transformations\n     * before 2.0 it was named getHeight();\n     * @return {Number} height value\n     */\n    getScaledHeight: function() {\n      return this._getTransformedDimensions().y;\n    },\n\n    /**\n     * Makes sure the scale is valid and modifies it if necessary\n     * @private\n     * @param {Number} value\n     * @return {Number}\n     */\n    _constrainScale: function(value) {\n      if (Math.abs(value) < this.minScaleLimit) {\n        if (value < 0) {\n          return -this.minScaleLimit;\n        }\n        else {\n          return this.minScaleLimit;\n        }\n      }\n      else if (value === 0) {\n        return 0.0001;\n      }\n      return value;\n    },\n\n    /**\n     * Scales an object (equally by x and y)\n     * @param {Number} value Scale factor\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    scale: function(value) {\n      this._set('scaleX', value);\n      this._set('scaleY', value);\n      return this.setCoords();\n    },\n\n    /**\n     * Scales an object to a given width, with respect to bounding box (scaling by x/y equally)\n     * @param {Number} value New width value\n     * @param {Boolean} absolute ignore viewport\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    scaleToWidth: function(value, absolute) {\n      // adjust to bounding rect factor so that rotated shapes would fit as well\n      var boundingRectFactor = this.getBoundingRect(absolute).width / this.getScaledWidth();\n      return this.scale(value / this.width / boundingRectFactor);\n    },\n\n    /**\n     * Scales an object to a given height, with respect to bounding box (scaling by x/y equally)\n     * @param {Number} value New height value\n     * @param {Boolean} absolute ignore viewport\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    scaleToHeight: function(value, absolute) {\n      // adjust to bounding rect factor so that rotated shapes would fit as well\n      var boundingRectFactor = this.getBoundingRect(absolute).height / this.getScaledHeight();\n      return this.scale(value / this.height / boundingRectFactor);\n    },\n\n    /**\n     * Calculates and returns the .coords of an object.\n     * unused by the library, only for the end dev.\n     * @return {Object} Object with tl, tr, br, bl ....\n     * @chainable\n     * @deprecated\n     */\n    calcCoords: function(absolute) {\n      // this is a compatibility function to avoid removing calcCoords now.\n      if (absolute) {\n        return this.calcACoords();\n      }\n      return this.calcOCoords();\n    },\n\n    calcLineCoords: function() {\n      var vpt = this.getViewportTransform(),\n          padding = this.padding, angle = degreesToRadians(this.angle),\n          cos = util.cos(angle), sin = util.sin(angle),\n          cosP = cos * padding, sinP = sin * padding, cosPSinP = cosP + sinP,\n          cosPMinusSinP = cosP - sinP, aCoords = this.calcACoords();\n\n      var lineCoords = {\n        tl: transformPoint(aCoords.tl, vpt),\n        tr: transformPoint(aCoords.tr, vpt),\n        bl: transformPoint(aCoords.bl, vpt),\n        br: transformPoint(aCoords.br, vpt),\n      };\n\n      if (padding) {\n        lineCoords.tl.x -= cosPMinusSinP;\n        lineCoords.tl.y -= cosPSinP;\n        lineCoords.tr.x += cosPSinP;\n        lineCoords.tr.y -= cosPMinusSinP;\n        lineCoords.bl.x -= cosPSinP;\n        lineCoords.bl.y += cosPMinusSinP;\n        lineCoords.br.x += cosPMinusSinP;\n        lineCoords.br.y += cosPSinP;\n      }\n\n      return lineCoords;\n    },\n\n    calcOCoords: function() {\n      var rotateMatrix = this._calcRotateMatrix(),\n          translateMatrix = this._calcTranslateMatrix(),\n          vpt = this.getViewportTransform(),\n          startMatrix = multiplyMatrices(vpt, translateMatrix),\n          finalMatrix = multiplyMatrices(startMatrix, rotateMatrix),\n          finalMatrix = multiplyMatrices(finalMatrix, [1 / vpt[0], 0, 0, 1 / vpt[3], 0, 0]),\n          dim = this._calculateCurrentDimensions(),\n          coords = {};\n      this.forEachControl(function(control, key, fabricObject) {\n        coords[key] = control.positionHandler(dim, finalMatrix, fabricObject);\n      });\n\n      // debug code\n      // var canvas = this.canvas;\n      // setTimeout(function() {\n      //   canvas.contextTop.clearRect(0, 0, 700, 700);\n      //   canvas.contextTop.fillStyle = 'green';\n      //   Object.keys(coords).forEach(function(key) {\n      //     var control = coords[key];\n      //     canvas.contextTop.fillRect(control.x, control.y, 3, 3);\n      //   });\n      // }, 50);\n      return coords;\n    },\n\n    calcACoords: function() {\n      var rotateMatrix = this._calcRotateMatrix(),\n          translateMatrix = this._calcTranslateMatrix(),\n          finalMatrix = multiplyMatrices(translateMatrix, rotateMatrix),\n          dim = this._getTransformedDimensions(),\n          w = dim.x / 2, h = dim.y / 2;\n      return {\n        // corners\n        tl: transformPoint({ x: -w, y: -h }, finalMatrix),\n        tr: transformPoint({ x: w, y: -h }, finalMatrix),\n        bl: transformPoint({ x: -w, y: h }, finalMatrix),\n        br: transformPoint({ x: w, y: h }, finalMatrix)\n      };\n    },\n\n    /**\n     * Sets corner and controls position coordinates based on current angle, width and height, left and top.\n     * oCoords are used to find the corners\n     * aCoords are used to quickly find an object on the canvas\n     * lineCoords are used to quickly find object during pointer events.\n     * See {@link https://github.com/kangax/fabric.js/wiki/When-to-call-setCoords|When-to-call-setCoords}\n     * @param {Boolean} [skipCorners] skip calculation of oCoords.\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    setCoords: function(skipCorners) {\n      this.aCoords = this.calcACoords();\n      // in case we are in a group, for how the inner group target check works,\n      // lineCoords are exactly aCoords. Since the vpt gets absorbed by the normalized pointer.\n      this.lineCoords = this.group ? this.aCoords : this.calcLineCoords();\n      if (skipCorners) {\n        return this;\n      }\n      // set coordinates of the draggable boxes in the corners used to scale/rotate the image\n      this.oCoords = this.calcOCoords();\n      this._setCornerCoords && this._setCornerCoords();\n      return this;\n    },\n\n    /**\n     * calculate rotation matrix of an object\n     * @return {Array} rotation matrix for the object\n     */\n    _calcRotateMatrix: function() {\n      return util.calcRotateMatrix(this);\n    },\n\n    /**\n     * calculate the translation matrix for an object transform\n     * @return {Array} rotation matrix for the object\n     */\n    _calcTranslateMatrix: function() {\n      var center = this.getCenterPoint();\n      return [1, 0, 0, 1, center.x, center.y];\n    },\n\n    transformMatrixKey: function(skipGroup) {\n      var sep = '_', prefix = '';\n      if (!skipGroup && this.group) {\n        prefix = this.group.transformMatrixKey(skipGroup) + sep;\n      };\n      return prefix + this.top + sep + this.left + sep + this.scaleX + sep + this.scaleY +\n        sep + this.skewX + sep + this.skewY + sep + this.angle + sep + this.originX + sep + this.originY +\n        sep + this.width + sep + this.height + sep + this.strokeWidth + this.flipX + this.flipY;\n    },\n\n    /**\n     * calculate transform matrix that represents the current transformations from the\n     * object's properties.\n     * @param {Boolean} [skipGroup] return transform matrix for object not counting parent transformations\n     * There are some situation in which this is useful to avoid the fake rotation.\n     * @return {Array} transform matrix for the object\n     */\n    calcTransformMatrix: function(skipGroup) {\n      var matrix = this.calcOwnMatrix();\n      if (skipGroup || !this.group) {\n        return matrix;\n      }\n      var key = this.transformMatrixKey(skipGroup), cache = this.matrixCache || (this.matrixCache = {});\n      if (cache.key === key) {\n        return cache.value;\n      }\n      if (this.group) {\n        matrix = multiplyMatrices(this.group.calcTransformMatrix(false), matrix);\n      }\n      cache.key = key;\n      cache.value = matrix;\n      return matrix;\n    },\n\n    /**\n     * calculate transform matrix that represents the current transformations from the\n     * object's properties, this matrix does not include the group transformation\n     * @return {Array} transform matrix for the object\n     */\n    calcOwnMatrix: function() {\n      var key = this.transformMatrixKey(true), cache = this.ownMatrixCache || (this.ownMatrixCache = {});\n      if (cache.key === key) {\n        return cache.value;\n      }\n      var tMatrix = this._calcTranslateMatrix(),\n          options = {\n            angle: this.angle,\n            translateX: tMatrix[4],\n            translateY: tMatrix[5],\n            scaleX: this.scaleX,\n            scaleY: this.scaleY,\n            skewX: this.skewX,\n            skewY: this.skewY,\n            flipX: this.flipX,\n            flipY: this.flipY,\n          };\n      cache.key = key;\n      cache.value = util.composeMatrix(options);\n      return cache.value;\n    },\n\n    /*\n     * Calculate object dimensions from its properties\n     * @private\n     * @deprecated since 3.4.0, please use fabric.util._calcDimensionsTransformMatrix\n     * not including or including flipX, flipY to emulate the flipping boolean\n     * @return {Object} .x width dimension\n     * @return {Object} .y height dimension\n     */\n    _calcDimensionsTransformMatrix: function(skewX, skewY, flipping) {\n      return util.calcDimensionsMatrix({\n        skewX: skewX,\n        skewY: skewY,\n        scaleX: this.scaleX * (flipping && this.flipX ? -1 : 1),\n        scaleY: this.scaleY * (flipping && this.flipY ? -1 : 1)\n      });\n    },\n\n    /*\n     * Calculate object dimensions from its properties\n     * @private\n     * @return {Object} .x width dimension\n     * @return {Object} .y height dimension\n     */\n    _getNonTransformedDimensions: function() {\n      var strokeWidth = this.strokeWidth,\n          w = this.width + strokeWidth,\n          h = this.height + strokeWidth;\n      return { x: w, y: h };\n    },\n\n    /*\n     * Calculate object bounding box dimensions from its properties scale, skew.\n     * @param {Number} skewX, a value to override current skewX\n     * @param {Number} skewY, a value to override current skewY\n     * @private\n     * @return {Object} .x width dimension\n     * @return {Object} .y height dimension\n     */\n    _getTransformedDimensions: function(skewX, skewY) {\n      if (typeof skewX === 'undefined') {\n        skewX = this.skewX;\n      }\n      if (typeof skewY === 'undefined') {\n        skewY = this.skewY;\n      }\n      var dimensions = this._getNonTransformedDimensions(), dimX, dimY,\n          noSkew = skewX === 0 && skewY === 0;\n\n      if (this.strokeUniform) {\n        dimX = this.width;\n        dimY = this.height;\n      }\n      else {\n        dimX = dimensions.x;\n        dimY = dimensions.y;\n      }\n      if (noSkew) {\n        return this._finalizeDimensions(dimX * this.scaleX, dimY * this.scaleY);\n      }\n      var bbox = util.sizeAfterTransform(dimX, dimY, {\n        scaleX: this.scaleX,\n        scaleY: this.scaleY,\n        skewX: skewX,\n        skewY: skewY,\n      });\n      return this._finalizeDimensions(bbox.x, bbox.y);\n    },\n\n    /*\n     * Calculate object bounding box dimensions from its properties scale, skew.\n     * @param Number width width of the bbox\n     * @param Number height height of the bbox\n     * @private\n     * @return {Object} .x finalized width dimension\n     * @return {Object} .y finalized height dimension\n     */\n    _finalizeDimensions: function(width, height) {\n      return this.strokeUniform ?\n        { x: width + this.strokeWidth, y: height + this.strokeWidth }\n        :\n        { x: width, y: height };\n    },\n\n    /*\n     * Calculate object dimensions for controls box, including padding and canvas zoom.\n     * and active selection\n     * private\n     */\n    _calculateCurrentDimensions: function()  {\n      var vpt = this.getViewportTransform(),\n          dim = this._getTransformedDimensions(),\n          p = transformPoint(dim, vpt, true);\n      return p.scalarAdd(2 * this.padding);\n    },\n  });\n})();\n\n\nfabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prototype */ {\n\n  /**\n   * Moves an object to the bottom of the stack of drawn objects\n   * @return {fabric.Object} thisArg\n   * @chainable\n   */\n  sendToBack: function() {\n    if (this.group) {\n      fabric.StaticCanvas.prototype.sendToBack.call(this.group, this);\n    }\n    else if (this.canvas) {\n      this.canvas.sendToBack(this);\n    }\n    return this;\n  },\n\n  /**\n   * Moves an object to the top of the stack of drawn objects\n   * @return {fabric.Object} thisArg\n   * @chainable\n   */\n  bringToFront: function() {\n    if (this.group) {\n      fabric.StaticCanvas.prototype.bringToFront.call(this.group, this);\n    }\n    else if (this.canvas) {\n      this.canvas.bringToFront(this);\n    }\n    return this;\n  },\n\n  /**\n   * Moves an object down in stack of drawn objects\n   * @param {Boolean} [intersecting] If `true`, send object behind next lower intersecting object\n   * @return {fabric.Object} thisArg\n   * @chainable\n   */\n  sendBackwards: function(intersecting) {\n    if (this.group) {\n      fabric.StaticCanvas.prototype.sendBackwards.call(this.group, this, intersecting);\n    }\n    else if (this.canvas) {\n      this.canvas.sendBackwards(this, intersecting);\n    }\n    return this;\n  },\n\n  /**\n   * Moves an object up in stack of drawn objects\n   * @param {Boolean} [intersecting] If `true`, send object in front of next upper intersecting object\n   * @return {fabric.Object} thisArg\n   * @chainable\n   */\n  bringForward: function(intersecting) {\n    if (this.group) {\n      fabric.StaticCanvas.prototype.bringForward.call(this.group, this, intersecting);\n    }\n    else if (this.canvas) {\n      this.canvas.bringForward(this, intersecting);\n    }\n    return this;\n  },\n\n  /**\n   * Moves an object to specified level in stack of drawn objects\n   * @param {Number} index New position of object\n   * @return {fabric.Object} thisArg\n   * @chainable\n   */\n  moveTo: function(index) {\n    if (this.group && this.group.type !== 'activeSelection') {\n      fabric.StaticCanvas.prototype.moveTo.call(this.group, this, index);\n    }\n    else if (this.canvas) {\n      this.canvas.moveTo(this, index);\n    }\n    return this;\n  }\n});\n\n\n/* _TO_SVG_START_ */\n(function() {\n  function getSvgColorString(prop, value) {\n    if (!value) {\n      return prop + ': none; ';\n    }\n    else if (value.toLive) {\n      return prop + ': url(#SVGID_' + value.id + '); ';\n    }\n    else {\n      var color = new fabric.Color(value),\n          str = prop + ': ' + color.toRgb() + '; ',\n          opacity = color.getAlpha();\n      if (opacity !== 1) {\n        //change the color in rgb + opacity\n        str += prop + '-opacity: ' + opacity.toString() + '; ';\n      }\n      return str;\n    }\n  }\n\n  var toFixed = fabric.util.toFixed;\n\n  fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prototype */ {\n    /**\n     * Returns styles-string for svg-export\n     * @param {Boolean} skipShadow a boolean to skip shadow filter output\n     * @return {String}\n     */\n    getSvgStyles: function(skipShadow) {\n\n      var fillRule = this.fillRule ? this.fillRule : 'nonzero',\n          strokeWidth = this.strokeWidth ? this.strokeWidth : '0',\n          strokeDashArray = this.strokeDashArray ? this.strokeDashArray.join(' ') : 'none',\n          strokeDashOffset = this.strokeDashOffset ? this.strokeDashOffset : '0',\n          strokeLineCap = this.strokeLineCap ? this.strokeLineCap : 'butt',\n          strokeLineJoin = this.strokeLineJoin ? this.strokeLineJoin : 'miter',\n          strokeMiterLimit = this.strokeMiterLimit ? this.strokeMiterLimit : '4',\n          opacity = typeof this.opacity !== 'undefined' ? this.opacity : '1',\n          visibility = this.visible ? '' : ' visibility: hidden;',\n          filter = skipShadow ? '' : this.getSvgFilter(),\n          fill = getSvgColorString('fill', this.fill),\n          stroke = getSvgColorString('stroke', this.stroke);\n\n      return [\n        stroke,\n        'stroke-width: ', strokeWidth, '; ',\n        'stroke-dasharray: ', strokeDashArray, '; ',\n        'stroke-linecap: ', strokeLineCap, '; ',\n        'stroke-dashoffset: ', strokeDashOffset, '; ',\n        'stroke-linejoin: ', strokeLineJoin, '; ',\n        'stroke-miterlimit: ', strokeMiterLimit, '; ',\n        fill,\n        'fill-rule: ', fillRule, '; ',\n        'opacity: ', opacity, ';',\n        filter,\n        visibility\n      ].join('');\n    },\n\n    /**\n     * Returns styles-string for svg-export\n     * @param {Object} style the object from which to retrieve style properties\n     * @param {Boolean} useWhiteSpace a boolean to include an additional attribute in the style.\n     * @return {String}\n     */\n    getSvgSpanStyles: function(style, useWhiteSpace) {\n      var term = '; ';\n      var fontFamily = style.fontFamily ?\n        'font-family: ' + (((style.fontFamily.indexOf('\\'') === -1 && style.fontFamily.indexOf('\"') === -1) ?\n          '\\'' + style.fontFamily  + '\\'' : style.fontFamily)) + term : '';\n      var strokeWidth = style.strokeWidth ? 'stroke-width: ' + style.strokeWidth + term : '',\n          fontFamily = fontFamily,\n          fontSize = style.fontSize ? 'font-size: ' + style.fontSize + 'px' + term : '',\n          fontStyle = style.fontStyle ? 'font-style: ' + style.fontStyle + term : '',\n          fontWeight = style.fontWeight ? 'font-weight: ' + style.fontWeight + term : '',\n          fill = style.fill ? getSvgColorString('fill', style.fill) : '',\n          stroke = style.stroke ? getSvgColorString('stroke', style.stroke) : '',\n          textDecoration = this.getSvgTextDecoration(style),\n          deltaY = style.deltaY ? 'baseline-shift: ' + (-style.deltaY) + '; ' : '';\n      if (textDecoration) {\n        textDecoration = 'text-decoration: ' + textDecoration + term;\n      }\n\n      return [\n        stroke,\n        strokeWidth,\n        fontFamily,\n        fontSize,\n        fontStyle,\n        fontWeight,\n        textDecoration,\n        fill,\n        deltaY,\n        useWhiteSpace ? 'white-space: pre; ' : ''\n      ].join('');\n    },\n\n    /**\n     * Returns text-decoration property for svg-export\n     * @param {Object} style the object from which to retrieve style properties\n     * @return {String}\n     */\n    getSvgTextDecoration: function(style) {\n      return ['overline', 'underline', 'line-through'].filter(function(decoration) {\n        return style[decoration.replace('-', '')];\n      }).join(' ');\n    },\n\n    /**\n     * Returns filter for svg shadow\n     * @return {String}\n     */\n    getSvgFilter: function() {\n      return this.shadow ? 'filter: url(#SVGID_' + this.shadow.id + ');' : '';\n    },\n\n    /**\n     * Returns id attribute for svg output\n     * @return {String}\n     */\n    getSvgCommons: function() {\n      return [\n        this.id ? 'id=\"' + this.id + '\" ' : '',\n        this.clipPath ? 'clip-path=\"url(#' + this.clipPath.clipPathId + ')\" ' : '',\n      ].join('');\n    },\n\n    /**\n     * Returns transform-string for svg-export\n     * @param {Boolean} use the full transform or the single object one.\n     * @return {String}\n     */\n    getSvgTransform: function(full, additionalTransform) {\n      var transform = full ? this.calcTransformMatrix() : this.calcOwnMatrix(),\n          svgTransform = 'transform=\"' + fabric.util.matrixToSVG(transform);\n      return svgTransform +\n        (additionalTransform || '') + '\" ';\n    },\n\n    _setSVGBg: function(textBgRects) {\n      if (this.backgroundColor) {\n        var NUM_FRACTION_DIGITS = fabric.Object.NUM_FRACTION_DIGITS;\n        textBgRects.push(\n          '\\t\\t<rect ',\n          this._getFillAttributes(this.backgroundColor),\n          ' x=\"',\n          toFixed(-this.width / 2, NUM_FRACTION_DIGITS),\n          '\" y=\"',\n          toFixed(-this.height / 2, NUM_FRACTION_DIGITS),\n          '\" width=\"',\n          toFixed(this.width, NUM_FRACTION_DIGITS),\n          '\" height=\"',\n          toFixed(this.height, NUM_FRACTION_DIGITS),\n          '\"></rect>\\n');\n      }\n    },\n\n    /**\n     * Returns svg representation of an instance\n     * @param {Function} [reviver] Method for further parsing of svg representation.\n     * @return {String} svg representation of an instance\n     */\n    toSVG: function(reviver) {\n      return this._createBaseSVGMarkup(this._toSVG(reviver), { reviver: reviver });\n    },\n\n    /**\n     * Returns svg clipPath representation of an instance\n     * @param {Function} [reviver] Method for further parsing of svg representation.\n     * @return {String} svg representation of an instance\n     */\n    toClipPathSVG: function(reviver) {\n      return '\\t' + this._createBaseClipPathSVGMarkup(this._toSVG(reviver), { reviver: reviver });\n    },\n\n    /**\n     * @private\n     */\n    _createBaseClipPathSVGMarkup: function(objectMarkup, options) {\n      options = options || {};\n      var reviver = options.reviver,\n          additionalTransform = options.additionalTransform || '',\n          commonPieces = [\n            this.getSvgTransform(true, additionalTransform),\n            this.getSvgCommons(),\n          ].join(''),\n          // insert commons in the markup, style and svgCommons\n          index = objectMarkup.indexOf('COMMON_PARTS');\n      objectMarkup[index] = commonPieces;\n      return reviver ? reviver(objectMarkup.join('')) : objectMarkup.join('');\n    },\n\n    /**\n     * @private\n     */\n    _createBaseSVGMarkup: function(objectMarkup, options) {\n      options = options || {};\n      var noStyle = options.noStyle,\n          reviver = options.reviver,\n          styleInfo = noStyle ? '' : 'style=\"' + this.getSvgStyles() + '\" ',\n          shadowInfo = options.withShadow ? 'style=\"' + this.getSvgFilter() + '\" ' : '',\n          clipPath = this.clipPath,\n          vectorEffect = this.strokeUniform ? 'vector-effect=\"non-scaling-stroke\" ' : '',\n          absoluteClipPath = clipPath && clipPath.absolutePositioned,\n          stroke = this.stroke, fill = this.fill, shadow = this.shadow,\n          commonPieces, markup = [], clipPathMarkup,\n          // insert commons in the markup, style and svgCommons\n          index = objectMarkup.indexOf('COMMON_PARTS'),\n          additionalTransform = options.additionalTransform;\n      if (clipPath) {\n        clipPath.clipPathId = 'CLIPPATH_' + fabric.Object.__uid++;\n        clipPathMarkup = '<clipPath id=\"' + clipPath.clipPathId + '\" >\\n' +\n          clipPath.toClipPathSVG(reviver) +\n          '</clipPath>\\n';\n      }\n      if (absoluteClipPath) {\n        markup.push(\n          '<g ', shadowInfo, this.getSvgCommons(), ' >\\n'\n        );\n      }\n      markup.push(\n        '<g ',\n        this.getSvgTransform(false),\n        !absoluteClipPath ? shadowInfo + this.getSvgCommons() : '',\n        ' >\\n'\n      );\n      commonPieces = [\n        styleInfo,\n        vectorEffect,\n        noStyle ? '' : this.addPaintOrder(), ' ',\n        additionalTransform ? 'transform=\"' + additionalTransform + '\" ' : '',\n      ].join('');\n      objectMarkup[index] = commonPieces;\n      if (fill && fill.toLive) {\n        markup.push(fill.toSVG(this));\n      }\n      if (stroke && stroke.toLive) {\n        markup.push(stroke.toSVG(this));\n      }\n      if (shadow) {\n        markup.push(shadow.toSVG(this));\n      }\n      if (clipPath) {\n        markup.push(clipPathMarkup);\n      }\n      markup.push(objectMarkup.join(''));\n      markup.push('</g>\\n');\n      absoluteClipPath && markup.push('</g>\\n');\n      return reviver ? reviver(markup.join('')) : markup.join('');\n    },\n\n    addPaintOrder: function() {\n      return this.paintFirst !== 'fill' ? ' paint-order=\"' + this.paintFirst + '\" ' : '';\n    }\n  });\n})();\n/* _TO_SVG_END_ */\n\n\n(function() {\n\n  var extend = fabric.util.object.extend,\n      originalSet = 'stateProperties';\n\n  /*\n    Depends on `stateProperties`\n  */\n  function saveProps(origin, destination, props) {\n    var tmpObj = { }, deep = true;\n    props.forEach(function(prop) {\n      tmpObj[prop] = origin[prop];\n    });\n\n    extend(origin[destination], tmpObj, deep);\n  }\n\n  function _isEqual(origValue, currentValue, firstPass) {\n    if (origValue === currentValue) {\n      // if the objects are identical, return\n      return true;\n    }\n    else if (Array.isArray(origValue)) {\n      if (!Array.isArray(currentValue) || origValue.length !== currentValue.length) {\n        return false;\n      }\n      for (var i = 0, len = origValue.length; i < len; i++) {\n        if (!_isEqual(origValue[i], currentValue[i])) {\n          return false;\n        }\n      }\n      return true;\n    }\n    else if (origValue && typeof origValue === 'object') {\n      var keys = Object.keys(origValue), key;\n      if (!currentValue ||\n          typeof currentValue !== 'object' ||\n          (!firstPass && keys.length !== Object.keys(currentValue).length)\n      ) {\n        return false;\n      }\n      for (var i = 0, len = keys.length; i < len; i++) {\n        key = keys[i];\n        // since clipPath is in the statefull cache list and the clipPath objects\n        // would be iterated as an object, this would lead to possible infinite recursion\n        // we do not want to compare those.\n        if (key === 'canvas' || key === 'group') {\n          continue;\n        }\n        if (!_isEqual(origValue[key], currentValue[key])) {\n          return false;\n        }\n      }\n      return true;\n    }\n  }\n\n\n  fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prototype */ {\n\n    /**\n     * Returns true if object state (one of its state properties) was changed\n     * @param {String} [propertySet] optional name for the set of property we want to save\n     * @return {Boolean} true if instance' state has changed since `{@link fabric.Object#saveState}` was called\n     */\n    hasStateChanged: function(propertySet) {\n      propertySet = propertySet || originalSet;\n      var dashedPropertySet = '_' + propertySet;\n      if (Object.keys(this[dashedPropertySet]).length < this[propertySet].length) {\n        return true;\n      }\n      return !_isEqual(this[dashedPropertySet], this, true);\n    },\n\n    /**\n     * Saves state of an object\n     * @param {Object} [options] Object with additional `stateProperties` array to include when saving state\n     * @return {fabric.Object} thisArg\n     */\n    saveState: function(options) {\n      var propertySet = options && options.propertySet || originalSet,\n          destination = '_' + propertySet;\n      if (!this[destination]) {\n        return this.setupState(options);\n      }\n      saveProps(this, destination, this[propertySet]);\n      if (options && options.stateProperties) {\n        saveProps(this, destination, options.stateProperties);\n      }\n      return this;\n    },\n\n    /**\n     * Setups state of an object\n     * @param {Object} [options] Object with additional `stateProperties` array to include when saving state\n     * @return {fabric.Object} thisArg\n     */\n    setupState: function(options) {\n      options = options || { };\n      var propertySet = options.propertySet || originalSet;\n      options.propertySet = propertySet;\n      this['_' + propertySet] = { };\n      this.saveState(options);\n      return this;\n    }\n  });\n})();\n\n\n(function() {\n\n  var degreesToRadians = fabric.util.degreesToRadians;\n\n  fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prototype */ {\n    /**\n     * Determines which corner has been clicked\n     * @private\n     * @param {Object} pointer The pointer indicating the mouse position\n     * @return {String|Boolean} corner code (tl, tr, bl, br, etc.), or false if nothing is found\n     */\n    _findTargetCorner: function(pointer, forTouch) {\n      // objects in group, anykind, are not self modificable,\n      // must not return an hovered corner.\n      if (!this.hasControls || this.group || (!this.canvas || this.canvas._activeObject !== this)) {\n        return false;\n      }\n\n      var ex = pointer.x,\n          ey = pointer.y,\n          xPoints,\n          lines, keys = Object.keys(this.oCoords),\n          j = keys.length - 1, i;\n      this.__corner = 0;\n\n      // cycle in reverse order so we pick first the one on top\n      for (; j >= 0; j--) {\n        i = keys[j];\n        if (!this.isControlVisible(i)) {\n          continue;\n        }\n\n        lines = this._getImageLines(forTouch ? this.oCoords[i].touchCorner : this.oCoords[i].corner);\n        // // debugging\n        //\n        // this.canvas.contextTop.fillRect(lines.bottomline.d.x, lines.bottomline.d.y, 2, 2);\n        // this.canvas.contextTop.fillRect(lines.bottomline.o.x, lines.bottomline.o.y, 2, 2);\n        //\n        // this.canvas.contextTop.fillRect(lines.leftline.d.x, lines.leftline.d.y, 2, 2);\n        // this.canvas.contextTop.fillRect(lines.leftline.o.x, lines.leftline.o.y, 2, 2);\n        //\n        // this.canvas.contextTop.fillRect(lines.topline.d.x, lines.topline.d.y, 2, 2);\n        // this.canvas.contextTop.fillRect(lines.topline.o.x, lines.topline.o.y, 2, 2);\n        //\n        // this.canvas.contextTop.fillRect(lines.rightline.d.x, lines.rightline.d.y, 2, 2);\n        // this.canvas.contextTop.fillRect(lines.rightline.o.x, lines.rightline.o.y, 2, 2);\n\n        xPoints = this._findCrossPoints({ x: ex, y: ey }, lines);\n        if (xPoints !== 0 && xPoints % 2 === 1) {\n          this.__corner = i;\n          return i;\n        }\n      }\n      return false;\n    },\n\n    /**\n     * Calls a function for each control. The function gets called,\n     * with the control, the object that is calling the iterator and the control's key\n     * @param {Function} fn function to iterate over the controls over\n     */\n    forEachControl: function(fn) {\n      for (var i in this.controls) {\n        fn(this.controls[i], i, this);\n      };\n    },\n\n    /**\n     * Sets the coordinates of the draggable boxes in the corners of\n     * the image used to scale/rotate it.\n     * note: if we would switch to ROUND corner area, all of this would disappear.\n     * everything would resolve to a single point and a pythagorean theorem for the distance\n     * @private\n     */\n    _setCornerCoords: function() {\n      var coords = this.oCoords;\n\n      for (var control in coords) {\n        var controlObject = this.controls[control];\n        coords[control].corner = controlObject.calcCornerCoords(\n          this.angle, this.cornerSize, coords[control].x, coords[control].y, false);\n        coords[control].touchCorner = controlObject.calcCornerCoords(\n          this.angle, this.touchCornerSize, coords[control].x, coords[control].y, true);\n      }\n    },\n\n    /**\n     * Draws a colored layer behind the object, inside its selection borders.\n     * Requires public options: padding, selectionBackgroundColor\n     * this function is called when the context is transformed\n     * has checks to be skipped when the object is on a staticCanvas\n     * @param {CanvasRenderingContext2D} ctx Context to draw on\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    drawSelectionBackground: function(ctx) {\n      if (!this.selectionBackgroundColor ||\n        (this.canvas && !this.canvas.interactive) ||\n        (this.canvas && this.canvas._activeObject !== this)\n      ) {\n        return this;\n      }\n      ctx.save();\n      var center = this.getCenterPoint(), wh = this._calculateCurrentDimensions(),\n          vpt = this.canvas.viewportTransform;\n      ctx.translate(center.x, center.y);\n      ctx.scale(1 / vpt[0], 1 / vpt[3]);\n      ctx.rotate(degreesToRadians(this.angle));\n      ctx.fillStyle = this.selectionBackgroundColor;\n      ctx.fillRect(-wh.x / 2, -wh.y / 2, wh.x, wh.y);\n      ctx.restore();\n      return this;\n    },\n\n    /**\n     * Draws borders of an object's bounding box.\n     * Requires public properties: width, height\n     * Requires public options: padding, borderColor\n     * @param {CanvasRenderingContext2D} ctx Context to draw on\n     * @param {Object} styleOverride object to override the object style\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    drawBorders: function(ctx, styleOverride) {\n      styleOverride = styleOverride || {};\n      var wh = this._calculateCurrentDimensions(),\n          strokeWidth = this.borderScaleFactor,\n          width = wh.x + strokeWidth,\n          height = wh.y + strokeWidth,\n          hasControls = typeof styleOverride.hasControls !== 'undefined' ?\n            styleOverride.hasControls : this.hasControls,\n          shouldStroke = false;\n\n      ctx.save();\n      ctx.strokeStyle = styleOverride.borderColor || this.borderColor;\n      this._setLineDash(ctx, styleOverride.borderDashArray || this.borderDashArray, null);\n\n      ctx.strokeRect(\n        -width / 2,\n        -height / 2,\n        width,\n        height\n      );\n\n      if (hasControls) {\n        ctx.beginPath();\n        this.forEachControl(function(control, key, fabricObject) {\n          // in this moment, the ctx is centered on the object.\n          // width and height of the above function are the size of the bbox.\n          if (control.withConnection && control.getVisibility(fabricObject, key)) {\n            // reset movement for each control\n            shouldStroke = true;\n            ctx.moveTo(control.x * width, control.y * height);\n            ctx.lineTo(\n              control.x * width + control.offsetX,\n              control.y * height + control.offsetY\n            );\n          }\n        });\n        if (shouldStroke) {\n          ctx.stroke();\n        }\n      }\n      ctx.restore();\n      return this;\n    },\n\n    /**\n     * Draws borders of an object's bounding box when it is inside a group.\n     * Requires public properties: width, height\n     * Requires public options: padding, borderColor\n     * @param {CanvasRenderingContext2D} ctx Context to draw on\n     * @param {object} options object representing current object parameters\n     * @param {Object} styleOverride object to override the object style\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    drawBordersInGroup: function(ctx, options, styleOverride) {\n      styleOverride = styleOverride || {};\n      var bbox = fabric.util.sizeAfterTransform(this.width, this.height, options),\n          strokeWidth = this.strokeWidth,\n          strokeUniform = this.strokeUniform,\n          borderScaleFactor = this.borderScaleFactor,\n          width =\n            bbox.x + strokeWidth * (strokeUniform ? this.canvas.getZoom() : options.scaleX) + borderScaleFactor,\n          height =\n            bbox.y + strokeWidth * (strokeUniform ? this.canvas.getZoom() : options.scaleY) + borderScaleFactor;\n      ctx.save();\n      this._setLineDash(ctx, styleOverride.borderDashArray || this.borderDashArray, null);\n      ctx.strokeStyle = styleOverride.borderColor || this.borderColor;\n      ctx.strokeRect(\n        -width / 2,\n        -height / 2,\n        width,\n        height\n      );\n\n      ctx.restore();\n      return this;\n    },\n\n    /**\n     * Draws corners of an object's bounding box.\n     * Requires public properties: width, height\n     * Requires public options: cornerSize, padding\n     * @param {CanvasRenderingContext2D} ctx Context to draw on\n     * @param {Object} styleOverride object to override the object style\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    drawControls: function(ctx, styleOverride) {\n      styleOverride = styleOverride || {};\n      ctx.save();\n      ctx.setTransform(this.canvas.getRetinaScaling(), 0, 0, this.canvas.getRetinaScaling(), 0, 0);\n      ctx.strokeStyle = ctx.fillStyle = styleOverride.cornerColor || this.cornerColor;\n      if (!this.transparentCorners) {\n        ctx.strokeStyle = styleOverride.cornerStrokeColor || this.cornerStrokeColor;\n      }\n      this._setLineDash(ctx, styleOverride.cornerDashArray || this.cornerDashArray, null);\n      this.setCoords();\n      this.forEachControl(function(control, key, fabricObject) {\n        if (control.getVisibility(fabricObject, key)) {\n          control.render(ctx,\n            fabricObject.oCoords[key].x,\n            fabricObject.oCoords[key].y, styleOverride, fabricObject);\n        }\n      });\n      ctx.restore();\n\n      return this;\n    },\n\n    /**\n     * Returns true if the specified control is visible, false otherwise.\n     * @param {String} controlKey The key of the control. Possible values are 'tl', 'tr', 'br', 'bl', 'ml', 'mt', 'mr', 'mb', 'mtr'.\n     * @returns {Boolean} true if the specified control is visible, false otherwise\n     */\n    isControlVisible: function(controlKey) {\n      return this.controls[controlKey] && this.controls[controlKey].getVisibility(this, controlKey);\n    },\n\n    /**\n     * Sets the visibility of the specified control.\n     * @param {String} controlKey The key of the control. Possible values are 'tl', 'tr', 'br', 'bl', 'ml', 'mt', 'mr', 'mb', 'mtr'.\n     * @param {Boolean} visible true to set the specified control visible, false otherwise\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    setControlVisible: function(controlKey, visible) {\n      if (!this._controlsVisibility) {\n        this._controlsVisibility = {};\n      }\n      this._controlsVisibility[controlKey] = visible;\n      return this;\n    },\n\n    /**\n     * Sets the visibility state of object controls.\n     * @param {Object} [options] Options object\n     * @param {Boolean} [options.bl] true to enable the bottom-left control, false to disable it\n     * @param {Boolean} [options.br] true to enable the bottom-right control, false to disable it\n     * @param {Boolean} [options.mb] true to enable the middle-bottom control, false to disable it\n     * @param {Boolean} [options.ml] true to enable the middle-left control, false to disable it\n     * @param {Boolean} [options.mr] true to enable the middle-right control, false to disable it\n     * @param {Boolean} [options.mt] true to enable the middle-top control, false to disable it\n     * @param {Boolean} [options.tl] true to enable the top-left control, false to disable it\n     * @param {Boolean} [options.tr] true to enable the top-right control, false to disable it\n     * @param {Boolean} [options.mtr] true to enable the middle-top-rotate control, false to disable it\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    setControlsVisibility: function(options) {\n      options || (options = { });\n\n      for (var p in options) {\n        this.setControlVisible(p, options[p]);\n      }\n      return this;\n    },\n\n\n    /**\n     * This callback function is called every time _discardActiveObject or _setActiveObject\n     * try to to deselect this object. If the function returns true, the process is cancelled\n     * @param {Object} [options] options sent from the upper functions\n     * @param {Event} [options.e] event if the process is generated by an event\n     */\n    onDeselect: function() {\n      // implemented by sub-classes, as needed.\n    },\n\n\n    /**\n     * This callback function is called every time _discardActiveObject or _setActiveObject\n     * try to to select this object. If the function returns true, the process is cancelled\n     * @param {Object} [options] options sent from the upper functions\n     * @param {Event} [options.e] event if the process is generated by an event\n     */\n    onSelect: function() {\n      // implemented by sub-classes, as needed.\n    }\n  });\n})();\n\n\nfabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.StaticCanvas.prototype */ {\n\n  /**\n   * Animation duration (in ms) for fx* methods\n   * @type Number\n   * @default\n   */\n  FX_DURATION: 500,\n\n  /**\n   * Centers object horizontally with animation.\n   * @param {fabric.Object} object Object to center\n   * @param {Object} [callbacks] Callbacks object with optional \"onComplete\" and/or \"onChange\" properties\n   * @param {Function} [callbacks.onComplete] Invoked on completion\n   * @param {Function} [callbacks.onChange] Invoked on every step of animation\n   * @return {fabric.Canvas} thisArg\n   * @chainable\n   */\n  fxCenterObjectH: function (object, callbacks) {\n    callbacks = callbacks || { };\n\n    var empty = function() { },\n        onComplete = callbacks.onComplete || empty,\n        onChange = callbacks.onChange || empty,\n        _this = this;\n\n    fabric.util.animate({\n      startValue: object.left,\n      endValue: this.getCenter().left,\n      duration: this.FX_DURATION,\n      onChange: function(value) {\n        object.set('left', value);\n        _this.requestRenderAll();\n        onChange();\n      },\n      onComplete: function() {\n        object.setCoords();\n        onComplete();\n      }\n    });\n\n    return this;\n  },\n\n  /**\n   * Centers object vertically with animation.\n   * @param {fabric.Object} object Object to center\n   * @param {Object} [callbacks] Callbacks object with optional \"onComplete\" and/or \"onChange\" properties\n   * @param {Function} [callbacks.onComplete] Invoked on completion\n   * @param {Function} [callbacks.onChange] Invoked on every step of animation\n   * @return {fabric.Canvas} thisArg\n   * @chainable\n   */\n  fxCenterObjectV: function (object, callbacks) {\n    callbacks = callbacks || { };\n\n    var empty = function() { },\n        onComplete = callbacks.onComplete || empty,\n        onChange = callbacks.onChange || empty,\n        _this = this;\n\n    fabric.util.animate({\n      startValue: object.top,\n      endValue: this.getCenter().top,\n      duration: this.FX_DURATION,\n      onChange: function(value) {\n        object.set('top', value);\n        _this.requestRenderAll();\n        onChange();\n      },\n      onComplete: function() {\n        object.setCoords();\n        onComplete();\n      }\n    });\n\n    return this;\n  },\n\n  /**\n   * Same as `fabric.Canvas#remove` but animated\n   * @param {fabric.Object} object Object to remove\n   * @param {Object} [callbacks] Callbacks object with optional \"onComplete\" and/or \"onChange\" properties\n   * @param {Function} [callbacks.onComplete] Invoked on completion\n   * @param {Function} [callbacks.onChange] Invoked on every step of animation\n   * @return {fabric.Canvas} thisArg\n   * @chainable\n   */\n  fxRemove: function (object, callbacks) {\n    callbacks = callbacks || { };\n\n    var empty = function() { },\n        onComplete = callbacks.onComplete || empty,\n        onChange = callbacks.onChange || empty,\n        _this = this;\n\n    fabric.util.animate({\n      startValue: object.opacity,\n      endValue: 0,\n      duration: this.FX_DURATION,\n      onChange: function(value) {\n        object.set('opacity', value);\n        _this.requestRenderAll();\n        onChange();\n      },\n      onComplete: function () {\n        _this.remove(object);\n        onComplete();\n      }\n    });\n\n    return this;\n  }\n});\n\nfabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prototype */ {\n  /**\n   * Animates object's properties\n   * @param {String|Object} property Property to animate (if string) or properties to animate (if object)\n   * @param {Number|Object} value Value to animate property to (if string was given first) or options object\n   * @return {fabric.Object} thisArg\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-2#animation}\n   * @chainable\n   *\n   * As object — multiple properties\n   *\n   * object.animate({ left: ..., top: ... });\n   * object.animate({ left: ..., top: ... }, { duration: ... });\n   *\n   * As string — one property\n   *\n   * object.animate('left', ...);\n   * object.animate('left', { duration: ... });\n   *\n   */\n  animate: function() {\n    if (arguments[0] && typeof arguments[0] === 'object') {\n      var propsToAnimate = [], prop, skipCallbacks;\n      for (prop in arguments[0]) {\n        propsToAnimate.push(prop);\n      }\n      for (var i = 0, len = propsToAnimate.length; i < len; i++) {\n        prop = propsToAnimate[i];\n        skipCallbacks = i !== len - 1;\n        this._animate(prop, arguments[0][prop], arguments[1], skipCallbacks);\n      }\n    }\n    else {\n      this._animate.apply(this, arguments);\n    }\n    return this;\n  },\n\n  /**\n   * @private\n   * @param {String} property Property to animate\n   * @param {String} to Value to animate to\n   * @param {Object} [options] Options object\n   * @param {Boolean} [skipCallbacks] When true, callbacks like onchange and oncomplete are not invoked\n   */\n  _animate: function(property, to, options, skipCallbacks) {\n    var _this = this, propPair;\n\n    to = to.toString();\n\n    if (!options) {\n      options = { };\n    }\n    else {\n      options = fabric.util.object.clone(options);\n    }\n\n    if (~property.indexOf('.')) {\n      propPair = property.split('.');\n    }\n\n    var propIsColor =\n      _this.colorProperties.indexOf(property) > -1 ||\n      (propPair && _this.colorProperties.indexOf(propPair[1]) > -1);\n\n    var currentValue = propPair\n      ? this.get(propPair[0])[propPair[1]]\n      : this.get(property);\n\n    if (!('from' in options)) {\n      options.from = currentValue;\n    }\n\n    if (!propIsColor) {\n      if (~to.indexOf('=')) {\n        to = currentValue + parseFloat(to.replace('=', ''));\n      }\n      else {\n        to = parseFloat(to);\n      }\n    }\n\n    var _options = {\n      startValue: options.from,\n      endValue: to,\n      byValue: options.by,\n      easing: options.easing,\n      duration: options.duration,\n      abort: options.abort && function () {\n        return options.abort.call(_this);\n      },\n      onChange: function (value, valueProgress, timeProgress) {\n        if (propPair) {\n          _this[propPair[0]][propPair[1]] = value;\n        }\n        else {\n          _this.set(property, value);\n        }\n        if (skipCallbacks) {\n          return;\n        }\n        options.onChange && options.onChange(value, valueProgress, timeProgress);\n      },\n      onComplete: function (value, valueProgress, timeProgress) {\n        if (skipCallbacks) {\n          return;\n        }\n\n        _this.setCoords();\n        options.onComplete && options.onComplete(value, valueProgress, timeProgress);\n      }\n    };\n\n    if (propIsColor) {\n      fabric.util.animateColor(_options.startValue, _options.endValue, _options.duration, _options);\n    }\n    else {\n      fabric.util.animate(_options);\n    }\n  }\n});\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { }),\n      extend = fabric.util.object.extend,\n      clone = fabric.util.object.clone,\n      coordProps = { x1: 1, x2: 1, y1: 1, y2: 1 },\n      supportsLineDash = fabric.StaticCanvas.supports('setLineDash');\n\n  if (fabric.Line) {\n    fabric.warn('fabric.Line is already defined');\n    return;\n  }\n\n  /**\n   * Line class\n   * @class fabric.Line\n   * @extends fabric.Object\n   * @see {@link fabric.Line#initialize} for constructor definition\n   */\n  fabric.Line = fabric.util.createClass(fabric.Object, /** @lends fabric.Line.prototype */ {\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'line',\n\n    /**\n     * x value or first line edge\n     * @type Number\n     * @default\n     */\n    x1: 0,\n\n    /**\n     * y value or first line edge\n     * @type Number\n     * @default\n     */\n    y1: 0,\n\n    /**\n     * x value or second line edge\n     * @type Number\n     * @default\n     */\n    x2: 0,\n\n    /**\n     * y value or second line edge\n     * @type Number\n     * @default\n     */\n    y2: 0,\n\n    cacheProperties: fabric.Object.prototype.cacheProperties.concat('x1', 'x2', 'y1', 'y2'),\n\n    /**\n     * Constructor\n     * @param {Array} [points] Array of points\n     * @param {Object} [options] Options object\n     * @return {fabric.Line} thisArg\n     */\n    initialize: function(points, options) {\n      if (!points) {\n        points = [0, 0, 0, 0];\n      }\n\n      this.callSuper('initialize', options);\n\n      this.set('x1', points[0]);\n      this.set('y1', points[1]);\n      this.set('x2', points[2]);\n      this.set('y2', points[3]);\n\n      this._setWidthHeight(options);\n    },\n\n    /**\n     * @private\n     * @param {Object} [options] Options\n     */\n    _setWidthHeight: function(options) {\n      options || (options = { });\n\n      this.width = Math.abs(this.x2 - this.x1);\n      this.height = Math.abs(this.y2 - this.y1);\n\n      this.left = 'left' in options\n        ? options.left\n        : this._getLeftToOriginX();\n\n      this.top = 'top' in options\n        ? options.top\n        : this._getTopToOriginY();\n    },\n\n    /**\n     * @private\n     * @param {String} key\n     * @param {*} value\n     */\n    _set: function(key, value) {\n      this.callSuper('_set', key, value);\n      if (typeof coordProps[key] !== 'undefined') {\n        this._setWidthHeight();\n      }\n      return this;\n    },\n\n    /**\n     * @private\n     * @return {Number} leftToOriginX Distance from left edge of canvas to originX of Line.\n     */\n    _getLeftToOriginX: makeEdgeToOriginGetter(\n      { // property names\n        origin: 'originX',\n        axis1: 'x1',\n        axis2: 'x2',\n        dimension: 'width'\n      },\n      { // possible values of origin\n        nearest: 'left',\n        center: 'center',\n        farthest: 'right'\n      }\n    ),\n\n    /**\n     * @private\n     * @return {Number} topToOriginY Distance from top edge of canvas to originY of Line.\n     */\n    _getTopToOriginY: makeEdgeToOriginGetter(\n      { // property names\n        origin: 'originY',\n        axis1: 'y1',\n        axis2: 'y2',\n        dimension: 'height'\n      },\n      { // possible values of origin\n        nearest: 'top',\n        center: 'center',\n        farthest: 'bottom'\n      }\n    ),\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _render: function(ctx) {\n      ctx.beginPath();\n\n      if (!this.strokeDashArray || this.strokeDashArray && supportsLineDash) {\n        // move from center (of virtual box) to its left/top corner\n        // we can't assume x1, y1 is top left and x2, y2 is bottom right\n        var p = this.calcLinePoints();\n        ctx.moveTo(p.x1, p.y1);\n        ctx.lineTo(p.x2, p.y2);\n      }\n\n      ctx.lineWidth = this.strokeWidth;\n\n      // TODO: test this\n      // make sure setting \"fill\" changes color of a line\n      // (by copying fillStyle to strokeStyle, since line is stroked, not filled)\n      var origStrokeStyle = ctx.strokeStyle;\n      ctx.strokeStyle = this.stroke || ctx.fillStyle;\n      this.stroke && this._renderStroke(ctx);\n      ctx.strokeStyle = origStrokeStyle;\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderDashedStroke: function(ctx) {\n      var p = this.calcLinePoints();\n\n      ctx.beginPath();\n      fabric.util.drawDashedLine(ctx, p.x1, p.y1, p.x2, p.y2, this.strokeDashArray);\n      ctx.closePath();\n    },\n\n    /**\n     * This function is an helper for svg import. it returns the center of the object in the svg\n     * untransformed coordinates\n     * @private\n     * @return {Object} center point from element coordinates\n     */\n    _findCenterFromElement: function() {\n      return {\n        x: (this.x1 + this.x2) / 2,\n        y: (this.y1 + this.y2) / 2,\n      };\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @method toObject\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} object representation of an instance\n     */\n    toObject: function(propertiesToInclude) {\n      return extend(this.callSuper('toObject', propertiesToInclude), this.calcLinePoints());\n    },\n\n    /*\n     * Calculate object dimensions from its properties\n     * @private\n     */\n    _getNonTransformedDimensions: function() {\n      var dim = this.callSuper('_getNonTransformedDimensions');\n      if (this.strokeLineCap === 'butt') {\n        if (this.width === 0) {\n          dim.y -= this.strokeWidth;\n        }\n        if (this.height === 0) {\n          dim.x -= this.strokeWidth;\n        }\n      }\n      return dim;\n    },\n\n    /**\n     * Recalculates line points given width and height\n     * @private\n     */\n    calcLinePoints: function() {\n      var xMult = this.x1 <= this.x2 ? -1 : 1,\n          yMult = this.y1 <= this.y2 ? -1 : 1,\n          x1 = (xMult * this.width * 0.5),\n          y1 = (yMult * this.height * 0.5),\n          x2 = (xMult * this.width * -0.5),\n          y2 = (yMult * this.height * -0.5);\n\n      return {\n        x1: x1,\n        x2: x2,\n        y1: y1,\n        y2: y2\n      };\n    },\n\n    /* _TO_SVG_START_ */\n    /**\n     * Returns svg representation of an instance\n     * @return {Array} an array of strings with the specific svg representation\n     * of the instance\n     */\n    _toSVG: function() {\n      var p = this.calcLinePoints();\n      return [\n        '<line ', 'COMMON_PARTS',\n        'x1=\"', p.x1,\n        '\" y1=\"', p.y1,\n        '\" x2=\"', p.x2,\n        '\" y2=\"', p.y2,\n        '\" />\\n'\n      ];\n    },\n    /* _TO_SVG_END_ */\n  });\n\n  /* _FROM_SVG_START_ */\n  /**\n   * List of attribute names to account for when parsing SVG element (used by {@link fabric.Line.fromElement})\n   * @static\n   * @memberOf fabric.Line\n   * @see http://www.w3.org/TR/SVG/shapes.html#LineElement\n   */\n  fabric.Line.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat('x1 y1 x2 y2'.split(' '));\n\n  /**\n   * Returns fabric.Line instance from an SVG element\n   * @static\n   * @memberOf fabric.Line\n   * @param {SVGElement} element Element to parse\n   * @param {Object} [options] Options object\n   * @param {Function} [callback] callback function invoked after parsing\n   */\n  fabric.Line.fromElement = function(element, callback, options) {\n    options = options || { };\n    var parsedAttributes = fabric.parseAttributes(element, fabric.Line.ATTRIBUTE_NAMES),\n        points = [\n          parsedAttributes.x1 || 0,\n          parsedAttributes.y1 || 0,\n          parsedAttributes.x2 || 0,\n          parsedAttributes.y2 || 0\n        ];\n    callback(new fabric.Line(points, extend(parsedAttributes, options)));\n  };\n  /* _FROM_SVG_END_ */\n\n  /**\n   * Returns fabric.Line instance from an object representation\n   * @static\n   * @memberOf fabric.Line\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] invoked with new instance as first argument\n   */\n  fabric.Line.fromObject = function(object, callback) {\n    function _callback(instance) {\n      delete instance.points;\n      callback && callback(instance);\n    };\n    var options = clone(object, true);\n    options.points = [object.x1, object.y1, object.x2, object.y2];\n    fabric.Object._fromObject('Line', options, _callback, 'points');\n  };\n\n  /**\n   * Produces a function that calculates distance from canvas edge to Line origin.\n   */\n  function makeEdgeToOriginGetter(propertyNames, originValues) {\n    var origin = propertyNames.origin,\n        axis1 = propertyNames.axis1,\n        axis2 = propertyNames.axis2,\n        dimension = propertyNames.dimension,\n        nearest = originValues.nearest,\n        center = originValues.center,\n        farthest = originValues.farthest;\n\n    return function() {\n      switch (this.get(origin)) {\n        case nearest:\n          return Math.min(this.get(axis1), this.get(axis2));\n        case center:\n          return Math.min(this.get(axis1), this.get(axis2)) + (0.5 * this.get(dimension));\n        case farthest:\n          return Math.max(this.get(axis1), this.get(axis2));\n      }\n    };\n\n  }\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { }),\n      pi = Math.PI;\n\n  if (fabric.Circle) {\n    fabric.warn('fabric.Circle is already defined.');\n    return;\n  }\n\n  /**\n   * Circle class\n   * @class fabric.Circle\n   * @extends fabric.Object\n   * @see {@link fabric.Circle#initialize} for constructor definition\n   */\n  fabric.Circle = fabric.util.createClass(fabric.Object, /** @lends fabric.Circle.prototype */ {\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'circle',\n\n    /**\n     * Radius of this circle\n     * @type Number\n     * @default\n     */\n    radius: 0,\n\n    /**\n     * Start angle of the circle, moving clockwise\n     * deprecated type, this should be in degree, this was an oversight.\n     * probably will change to degrees in next major version\n     * @type Number\n     * @default 0\n     */\n    startAngle: 0,\n\n    /**\n     * End angle of the circle\n     * deprecated type, this should be in degree, this was an oversight.\n     * probably will change to degrees in next major version\n     * @type Number\n     * @default 2Pi\n     */\n    endAngle: pi * 2,\n\n    cacheProperties: fabric.Object.prototype.cacheProperties.concat('radius', 'startAngle', 'endAngle'),\n\n    /**\n     * @private\n     * @param {String} key\n     * @param {*} value\n     * @return {fabric.Circle} thisArg\n     */\n    _set: function(key, value) {\n      this.callSuper('_set', key, value);\n\n      if (key === 'radius') {\n        this.setRadius(value);\n      }\n\n      return this;\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} object representation of an instance\n     */\n    toObject: function(propertiesToInclude) {\n      return this.callSuper('toObject', ['radius', 'startAngle', 'endAngle'].concat(propertiesToInclude));\n    },\n\n    /* _TO_SVG_START_ */\n\n    /**\n     * Returns svg representation of an instance\n     * @return {Array} an array of strings with the specific svg representation\n     * of the instance\n     */\n    _toSVG: function() {\n      var svgString, x = 0, y = 0,\n          angle = (this.endAngle - this.startAngle) % ( 2 * pi);\n\n      if (angle === 0) {\n        svgString = [\n          '<circle ', 'COMMON_PARTS',\n          'cx=\"' + x + '\" cy=\"' + y + '\" ',\n          'r=\"', this.radius,\n          '\" />\\n'\n        ];\n      }\n      else {\n        var startX = fabric.util.cos(this.startAngle) * this.radius,\n            startY = fabric.util.sin(this.startAngle) * this.radius,\n            endX = fabric.util.cos(this.endAngle) * this.radius,\n            endY = fabric.util.sin(this.endAngle) * this.radius,\n            largeFlag = angle > pi ? '1' : '0';\n        svgString = [\n          '<path d=\"M ' + startX + ' ' + startY,\n          ' A ' + this.radius + ' ' + this.radius,\n          ' 0 ', +largeFlag + ' 1', ' ' + endX + ' ' + endY,\n          '\" ', 'COMMON_PARTS', ' />\\n'\n        ];\n      }\n      return svgString;\n    },\n    /* _TO_SVG_END_ */\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx context to render on\n     */\n    _render: function(ctx) {\n      ctx.beginPath();\n      ctx.arc(\n        0,\n        0,\n        this.radius,\n        this.startAngle,\n        this.endAngle, false);\n      this._renderPaintInOrder(ctx);\n    },\n\n    /**\n     * Returns horizontal radius of an object (according to how an object is scaled)\n     * @return {Number}\n     */\n    getRadiusX: function() {\n      return this.get('radius') * this.get('scaleX');\n    },\n\n    /**\n     * Returns vertical radius of an object (according to how an object is scaled)\n     * @return {Number}\n     */\n    getRadiusY: function() {\n      return this.get('radius') * this.get('scaleY');\n    },\n\n    /**\n     * Sets radius of an object (and updates width accordingly)\n     * @return {fabric.Circle} thisArg\n     */\n    setRadius: function(value) {\n      this.radius = value;\n      return this.set('width', value * 2).set('height', value * 2);\n    },\n  });\n\n  /* _FROM_SVG_START_ */\n  /**\n   * List of attribute names to account for when parsing SVG element (used by {@link fabric.Circle.fromElement})\n   * @static\n   * @memberOf fabric.Circle\n   * @see: http://www.w3.org/TR/SVG/shapes.html#CircleElement\n   */\n  fabric.Circle.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat('cx cy r'.split(' '));\n\n  /**\n   * Returns {@link fabric.Circle} instance from an SVG element\n   * @static\n   * @memberOf fabric.Circle\n   * @param {SVGElement} element Element to parse\n   * @param {Function} [callback] Options callback invoked after parsing is finished\n   * @param {Object} [options] Options object\n   * @throws {Error} If value of `r` attribute is missing or invalid\n   */\n  fabric.Circle.fromElement = function(element, callback) {\n    var parsedAttributes = fabric.parseAttributes(element, fabric.Circle.ATTRIBUTE_NAMES);\n\n    if (!isValidRadius(parsedAttributes)) {\n      throw new Error('value of `r` attribute is required and can not be negative');\n    }\n\n    parsedAttributes.left = (parsedAttributes.left || 0) - parsedAttributes.radius;\n    parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.radius;\n    callback(new fabric.Circle(parsedAttributes));\n  };\n\n  /**\n   * @private\n   */\n  function isValidRadius(attributes) {\n    return (('radius' in attributes) && (attributes.radius >= 0));\n  }\n  /* _FROM_SVG_END_ */\n\n  /**\n   * Returns {@link fabric.Circle} instance from an object representation\n   * @static\n   * @memberOf fabric.Circle\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] invoked with new instance as first argument\n   * @return {Object} Instance of fabric.Circle\n   */\n  fabric.Circle.fromObject = function(object, callback) {\n    return fabric.Object._fromObject('Circle', object, callback);\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { });\n\n  if (fabric.Triangle) {\n    fabric.warn('fabric.Triangle is already defined');\n    return;\n  }\n\n  /**\n   * Triangle class\n   * @class fabric.Triangle\n   * @extends fabric.Object\n   * @return {fabric.Triangle} thisArg\n   * @see {@link fabric.Triangle#initialize} for constructor definition\n   */\n  fabric.Triangle = fabric.util.createClass(fabric.Object, /** @lends fabric.Triangle.prototype */ {\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'triangle',\n\n    /**\n     * Width is set to 100 to compensate the old initialize code that was setting it to 100\n     * @type Number\n     * @default\n     */\n    width: 100,\n\n    /**\n     * Height is set to 100 to compensate the old initialize code that was setting it to 100\n     * @type Number\n     * @default\n     */\n    height: 100,\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _render: function(ctx) {\n      var widthBy2 = this.width / 2,\n          heightBy2 = this.height / 2;\n\n      ctx.beginPath();\n      ctx.moveTo(-widthBy2, heightBy2);\n      ctx.lineTo(0, -heightBy2);\n      ctx.lineTo(widthBy2, heightBy2);\n      ctx.closePath();\n\n      this._renderPaintInOrder(ctx);\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderDashedStroke: function(ctx) {\n      var widthBy2 = this.width / 2,\n          heightBy2 = this.height / 2;\n\n      ctx.beginPath();\n      fabric.util.drawDashedLine(ctx, -widthBy2, heightBy2, 0, -heightBy2, this.strokeDashArray);\n      fabric.util.drawDashedLine(ctx, 0, -heightBy2, widthBy2, heightBy2, this.strokeDashArray);\n      fabric.util.drawDashedLine(ctx, widthBy2, heightBy2, -widthBy2, heightBy2, this.strokeDashArray);\n      ctx.closePath();\n    },\n\n    /* _TO_SVG_START_ */\n    /**\n     * Returns svg representation of an instance\n     * @return {Array} an array of strings with the specific svg representation\n     * of the instance\n     */\n    _toSVG: function() {\n      var widthBy2 = this.width / 2,\n          heightBy2 = this.height / 2,\n          points = [\n            -widthBy2 + ' ' + heightBy2,\n            '0 ' + -heightBy2,\n            widthBy2 + ' ' + heightBy2\n          ].join(',');\n      return [\n        '<polygon ', 'COMMON_PARTS',\n        'points=\"', points,\n        '\" />'\n      ];\n    },\n    /* _TO_SVG_END_ */\n  });\n\n  /**\n   * Returns {@link fabric.Triangle} instance from an object representation\n   * @static\n   * @memberOf fabric.Triangle\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] invoked with new instance as first argument\n   */\n  fabric.Triangle.fromObject = function(object, callback) {\n    return fabric.Object._fromObject('Triangle', object, callback);\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { }),\n      piBy2   = Math.PI * 2;\n\n  if (fabric.Ellipse) {\n    fabric.warn('fabric.Ellipse is already defined.');\n    return;\n  }\n\n  /**\n   * Ellipse class\n   * @class fabric.Ellipse\n   * @extends fabric.Object\n   * @return {fabric.Ellipse} thisArg\n   * @see {@link fabric.Ellipse#initialize} for constructor definition\n   */\n  fabric.Ellipse = fabric.util.createClass(fabric.Object, /** @lends fabric.Ellipse.prototype */ {\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'ellipse',\n\n    /**\n     * Horizontal radius\n     * @type Number\n     * @default\n     */\n    rx:   0,\n\n    /**\n     * Vertical radius\n     * @type Number\n     * @default\n     */\n    ry:   0,\n\n    cacheProperties: fabric.Object.prototype.cacheProperties.concat('rx', 'ry'),\n\n    /**\n     * Constructor\n     * @param {Object} [options] Options object\n     * @return {fabric.Ellipse} thisArg\n     */\n    initialize: function(options) {\n      this.callSuper('initialize', options);\n      this.set('rx', options && options.rx || 0);\n      this.set('ry', options && options.ry || 0);\n    },\n\n    /**\n     * @private\n     * @param {String} key\n     * @param {*} value\n     * @return {fabric.Ellipse} thisArg\n     */\n    _set: function(key, value) {\n      this.callSuper('_set', key, value);\n      switch (key) {\n\n        case 'rx':\n          this.rx = value;\n          this.set('width', value * 2);\n          break;\n\n        case 'ry':\n          this.ry = value;\n          this.set('height', value * 2);\n          break;\n\n      }\n      return this;\n    },\n\n    /**\n     * Returns horizontal radius of an object (according to how an object is scaled)\n     * @return {Number}\n     */\n    getRx: function() {\n      return this.get('rx') * this.get('scaleX');\n    },\n\n    /**\n     * Returns Vertical radius of an object (according to how an object is scaled)\n     * @return {Number}\n     */\n    getRy: function() {\n      return this.get('ry') * this.get('scaleY');\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} object representation of an instance\n     */\n    toObject: function(propertiesToInclude) {\n      return this.callSuper('toObject', ['rx', 'ry'].concat(propertiesToInclude));\n    },\n\n    /* _TO_SVG_START_ */\n    /**\n     * Returns svg representation of an instance\n     * @return {Array} an array of strings with the specific svg representation\n     * of the instance\n     */\n    _toSVG: function() {\n      return [\n        '<ellipse ', 'COMMON_PARTS',\n        'cx=\"0\" cy=\"0\" ',\n        'rx=\"', this.rx,\n        '\" ry=\"', this.ry,\n        '\" />\\n'\n      ];\n    },\n    /* _TO_SVG_END_ */\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx context to render on\n     */\n    _render: function(ctx) {\n      ctx.beginPath();\n      ctx.save();\n      ctx.transform(1, 0, 0, this.ry / this.rx, 0, 0);\n      ctx.arc(\n        0,\n        0,\n        this.rx,\n        0,\n        piBy2,\n        false);\n      ctx.restore();\n      this._renderPaintInOrder(ctx);\n    },\n  });\n\n  /* _FROM_SVG_START_ */\n  /**\n   * List of attribute names to account for when parsing SVG element (used by {@link fabric.Ellipse.fromElement})\n   * @static\n   * @memberOf fabric.Ellipse\n   * @see http://www.w3.org/TR/SVG/shapes.html#EllipseElement\n   */\n  fabric.Ellipse.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat('cx cy rx ry'.split(' '));\n\n  /**\n   * Returns {@link fabric.Ellipse} instance from an SVG element\n   * @static\n   * @memberOf fabric.Ellipse\n   * @param {SVGElement} element Element to parse\n   * @param {Function} [callback] Options callback invoked after parsing is finished\n   * @return {fabric.Ellipse}\n   */\n  fabric.Ellipse.fromElement = function(element, callback) {\n\n    var parsedAttributes = fabric.parseAttributes(element, fabric.Ellipse.ATTRIBUTE_NAMES);\n\n    parsedAttributes.left = (parsedAttributes.left || 0) - parsedAttributes.rx;\n    parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.ry;\n    callback(new fabric.Ellipse(parsedAttributes));\n  };\n  /* _FROM_SVG_END_ */\n\n  /**\n   * Returns {@link fabric.Ellipse} instance from an object representation\n   * @static\n   * @memberOf fabric.Ellipse\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] invoked with new instance as first argument\n   * @return {fabric.Ellipse}\n   */\n  fabric.Ellipse.fromObject = function(object, callback) {\n    return fabric.Object._fromObject('Ellipse', object, callback);\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { }),\n      extend = fabric.util.object.extend;\n\n  if (fabric.Rect) {\n    fabric.warn('fabric.Rect is already defined');\n    return;\n  }\n\n  /**\n   * Rectangle class\n   * @class fabric.Rect\n   * @extends fabric.Object\n   * @return {fabric.Rect} thisArg\n   * @see {@link fabric.Rect#initialize} for constructor definition\n   */\n  fabric.Rect = fabric.util.createClass(fabric.Object, /** @lends fabric.Rect.prototype */ {\n\n    /**\n     * List of properties to consider when checking if state of an object is changed ({@link fabric.Object#hasStateChanged})\n     * as well as for history (undo/redo) purposes\n     * @type Array\n     */\n    stateProperties: fabric.Object.prototype.stateProperties.concat('rx', 'ry'),\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'rect',\n\n    /**\n     * Horizontal border radius\n     * @type Number\n     * @default\n     */\n    rx:   0,\n\n    /**\n     * Vertical border radius\n     * @type Number\n     * @default\n     */\n    ry:   0,\n\n    cacheProperties: fabric.Object.prototype.cacheProperties.concat('rx', 'ry'),\n\n    /**\n     * Constructor\n     * @param {Object} [options] Options object\n     * @return {Object} thisArg\n     */\n    initialize: function(options) {\n      this.callSuper('initialize', options);\n      this._initRxRy();\n    },\n\n    /**\n     * Initializes rx/ry attributes\n     * @private\n     */\n    _initRxRy: function() {\n      if (this.rx && !this.ry) {\n        this.ry = this.rx;\n      }\n      else if (this.ry && !this.rx) {\n        this.rx = this.ry;\n      }\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _render: function(ctx) {\n\n      // 1x1 case (used in spray brush) optimization was removed because\n      // with caching and higher zoom level this makes more damage than help\n\n      var rx = this.rx ? Math.min(this.rx, this.width / 2) : 0,\n          ry = this.ry ? Math.min(this.ry, this.height / 2) : 0,\n          w = this.width,\n          h = this.height,\n          x = -this.width / 2,\n          y = -this.height / 2,\n          isRounded = rx !== 0 || ry !== 0,\n          /* \"magic number\" for bezier approximations of arcs (http://itc.ktu.lt/itc354/Riskus354.pdf) */\n          k = 1 - 0.5522847498;\n      ctx.beginPath();\n\n      ctx.moveTo(x + rx, y);\n\n      ctx.lineTo(x + w - rx, y);\n      isRounded && ctx.bezierCurveTo(x + w - k * rx, y, x + w, y + k * ry, x + w, y + ry);\n\n      ctx.lineTo(x + w, y + h - ry);\n      isRounded && ctx.bezierCurveTo(x + w, y + h - k * ry, x + w - k * rx, y + h, x + w - rx, y + h);\n\n      ctx.lineTo(x + rx, y + h);\n      isRounded && ctx.bezierCurveTo(x + k * rx, y + h, x, y + h - k * ry, x, y + h - ry);\n\n      ctx.lineTo(x, y + ry);\n      isRounded && ctx.bezierCurveTo(x, y + k * ry, x + k * rx, y, x + rx, y);\n\n      ctx.closePath();\n\n      this._renderPaintInOrder(ctx);\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderDashedStroke: function(ctx) {\n      var x = -this.width / 2,\n          y = -this.height / 2,\n          w = this.width,\n          h = this.height;\n\n      ctx.beginPath();\n      fabric.util.drawDashedLine(ctx, x, y, x + w, y, this.strokeDashArray);\n      fabric.util.drawDashedLine(ctx, x + w, y, x + w, y + h, this.strokeDashArray);\n      fabric.util.drawDashedLine(ctx, x + w, y + h, x, y + h, this.strokeDashArray);\n      fabric.util.drawDashedLine(ctx, x, y + h, x, y, this.strokeDashArray);\n      ctx.closePath();\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} object representation of an instance\n     */\n    toObject: function(propertiesToInclude) {\n      return this.callSuper('toObject', ['rx', 'ry'].concat(propertiesToInclude));\n    },\n\n    /* _TO_SVG_START_ */\n    /**\n     * Returns svg representation of an instance\n     * @return {Array} an array of strings with the specific svg representation\n     * of the instance\n     */\n    _toSVG: function() {\n      var x = -this.width / 2, y = -this.height / 2;\n      return [\n        '<rect ', 'COMMON_PARTS',\n        'x=\"', x, '\" y=\"', y,\n        '\" rx=\"', this.rx, '\" ry=\"', this.ry,\n        '\" width=\"', this.width, '\" height=\"', this.height,\n        '\" />\\n'\n      ];\n    },\n    /* _TO_SVG_END_ */\n  });\n\n  /* _FROM_SVG_START_ */\n  /**\n   * List of attribute names to account for when parsing SVG element (used by `fabric.Rect.fromElement`)\n   * @static\n   * @memberOf fabric.Rect\n   * @see: http://www.w3.org/TR/SVG/shapes.html#RectElement\n   */\n  fabric.Rect.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat('x y rx ry width height'.split(' '));\n\n  /**\n   * Returns {@link fabric.Rect} instance from an SVG element\n   * @static\n   * @memberOf fabric.Rect\n   * @param {SVGElement} element Element to parse\n   * @param {Function} callback callback function invoked after parsing\n   * @param {Object} [options] Options object\n   */\n  fabric.Rect.fromElement = function(element, callback, options) {\n    if (!element) {\n      return callback(null);\n    }\n    options = options || { };\n\n    var parsedAttributes = fabric.parseAttributes(element, fabric.Rect.ATTRIBUTE_NAMES);\n    parsedAttributes.left = parsedAttributes.left || 0;\n    parsedAttributes.top  = parsedAttributes.top  || 0;\n    parsedAttributes.height  = parsedAttributes.height || 0;\n    parsedAttributes.width  = parsedAttributes.width || 0;\n    var rect = new fabric.Rect(extend((options ? fabric.util.object.clone(options) : { }), parsedAttributes));\n    rect.visible = rect.visible && rect.width > 0 && rect.height > 0;\n    callback(rect);\n  };\n  /* _FROM_SVG_END_ */\n\n  /**\n   * Returns {@link fabric.Rect} instance from an object representation\n   * @static\n   * @memberOf fabric.Rect\n   * @param {Object} object Object to create an instance from\n   * @param {Function} [callback] Callback to invoke when an fabric.Rect instance is created\n   */\n  fabric.Rect.fromObject = function(object, callback) {\n    return fabric.Object._fromObject('Rect', object, callback);\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { }),\n      extend = fabric.util.object.extend,\n      min = fabric.util.array.min,\n      max = fabric.util.array.max,\n      toFixed = fabric.util.toFixed;\n\n  if (fabric.Polyline) {\n    fabric.warn('fabric.Polyline is already defined');\n    return;\n  }\n\n  /**\n   * Polyline class\n   * @class fabric.Polyline\n   * @extends fabric.Object\n   * @see {@link fabric.Polyline#initialize} for constructor definition\n   */\n  fabric.Polyline = fabric.util.createClass(fabric.Object, /** @lends fabric.Polyline.prototype */ {\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'polyline',\n\n    /**\n     * Points array\n     * @type Array\n     * @default\n     */\n    points: null,\n\n    cacheProperties: fabric.Object.prototype.cacheProperties.concat('points'),\n\n    /**\n     * Constructor\n     * @param {Array} points Array of points (where each point is an object with x and y)\n     * @param {Object} [options] Options object\n     * @return {fabric.Polyline} thisArg\n     * @example\n     * var poly = new fabric.Polyline([\n     *     { x: 10, y: 10 },\n     *     { x: 50, y: 30 },\n     *     { x: 40, y: 70 },\n     *     { x: 60, y: 50 },\n     *     { x: 100, y: 150 },\n     *     { x: 40, y: 100 }\n     *   ], {\n     *   stroke: 'red',\n     *   left: 100,\n     *   top: 100\n     * });\n     */\n    initialize: function(points, options) {\n      options = options || {};\n      this.points = points || [];\n      this.callSuper('initialize', options);\n      this._setPositionDimensions(options);\n    },\n\n    _setPositionDimensions: function(options) {\n      var calcDim = this._calcDimensions(options), correctLeftTop;\n      this.width = calcDim.width;\n      this.height = calcDim.height;\n      if (!options.fromSVG) {\n        correctLeftTop = this.translateToGivenOrigin(\n          { x: calcDim.left - this.strokeWidth / 2, y: calcDim.top - this.strokeWidth / 2 },\n          'left',\n          'top',\n          this.originX,\n          this.originY\n        );\n      }\n      if (typeof options.left === 'undefined') {\n        this.left = options.fromSVG ? calcDim.left : correctLeftTop.x;\n      }\n      if (typeof options.top === 'undefined') {\n        this.top = options.fromSVG ? calcDim.top : correctLeftTop.y;\n      }\n      this.pathOffset = {\n        x: calcDim.left + this.width / 2,\n        y: calcDim.top + this.height / 2\n      };\n    },\n\n    /**\n     * Calculate the polygon min and max point from points array,\n     * returning an object with left, top, width, height to measure the\n     * polygon size\n     * @return {Object} object.left X coordinate of the polygon leftmost point\n     * @return {Object} object.top Y coordinate of the polygon topmost point\n     * @return {Object} object.width distance between X coordinates of the polygon leftmost and rightmost point\n     * @return {Object} object.height distance between Y coordinates of the polygon topmost and bottommost point\n     * @private\n     */\n    _calcDimensions: function() {\n\n      var points = this.points,\n          minX = min(points, 'x') || 0,\n          minY = min(points, 'y') || 0,\n          maxX = max(points, 'x') || 0,\n          maxY = max(points, 'y') || 0,\n          width = (maxX - minX),\n          height = (maxY - minY);\n\n      return {\n        left: minX,\n        top: minY,\n        width: width,\n        height: height\n      };\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} Object representation of an instance\n     */\n    toObject: function(propertiesToInclude) {\n      return extend(this.callSuper('toObject', propertiesToInclude), {\n        points: this.points.concat()\n      });\n    },\n\n    /* _TO_SVG_START_ */\n    /**\n     * Returns svg representation of an instance\n     * @return {Array} an array of strings with the specific svg representation\n     * of the instance\n     */\n    _toSVG: function() {\n      var points = [], diffX = this.pathOffset.x, diffY = this.pathOffset.y,\n          NUM_FRACTION_DIGITS = fabric.Object.NUM_FRACTION_DIGITS;\n\n      for (var i = 0, len = this.points.length; i < len; i++) {\n        points.push(\n          toFixed(this.points[i].x - diffX, NUM_FRACTION_DIGITS), ',',\n          toFixed(this.points[i].y - diffY, NUM_FRACTION_DIGITS), ' '\n        );\n      }\n      return [\n        '<' + this.type + ' ', 'COMMON_PARTS',\n        'points=\"', points.join(''),\n        '\" />\\n'\n      ];\n    },\n    /* _TO_SVG_END_ */\n\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    commonRender: function(ctx) {\n      var point, len = this.points.length,\n          x = this.pathOffset.x,\n          y = this.pathOffset.y;\n\n      if (!len || isNaN(this.points[len - 1].y)) {\n        // do not draw if no points or odd points\n        // NaN comes from parseFloat of a empty string in parser\n        return false;\n      }\n      ctx.beginPath();\n      ctx.moveTo(this.points[0].x - x, this.points[0].y - y);\n      for (var i = 0; i < len; i++) {\n        point = this.points[i];\n        ctx.lineTo(point.x - x, point.y - y);\n      }\n      return true;\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _render: function(ctx) {\n      if (!this.commonRender(ctx)) {\n        return;\n      }\n      this._renderPaintInOrder(ctx);\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderDashedStroke: function(ctx) {\n      var p1, p2;\n\n      ctx.beginPath();\n      for (var i = 0, len = this.points.length; i < len; i++) {\n        p1 = this.points[i];\n        p2 = this.points[i + 1] || p1;\n        fabric.util.drawDashedLine(ctx, p1.x, p1.y, p2.x, p2.y, this.strokeDashArray);\n      }\n    },\n\n    /**\n     * Returns complexity of an instance\n     * @return {Number} complexity of this instance\n     */\n    complexity: function() {\n      return this.get('points').length;\n    }\n  });\n\n  /* _FROM_SVG_START_ */\n  /**\n   * List of attribute names to account for when parsing SVG element (used by {@link fabric.Polyline.fromElement})\n   * @static\n   * @memberOf fabric.Polyline\n   * @see: http://www.w3.org/TR/SVG/shapes.html#PolylineElement\n   */\n  fabric.Polyline.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat();\n\n  /**\n   * Returns fabric.Polyline instance from an SVG element\n   * @static\n   * @memberOf fabric.Polyline\n   * @param {SVGElement} element Element to parser\n   * @param {Function} callback callback function invoked after parsing\n   * @param {Object} [options] Options object\n   */\n  fabric.Polyline.fromElementGenerator = function(_class) {\n    return function(element, callback, options) {\n      if (!element) {\n        return callback(null);\n      }\n      options || (options = { });\n\n      var points = fabric.parsePointsAttribute(element.getAttribute('points')),\n          parsedAttributes = fabric.parseAttributes(element, fabric[_class].ATTRIBUTE_NAMES);\n      parsedAttributes.fromSVG = true;\n      callback(new fabric[_class](points, extend(parsedAttributes, options)));\n    };\n  };\n\n  fabric.Polyline.fromElement = fabric.Polyline.fromElementGenerator('Polyline');\n\n  /* _FROM_SVG_END_ */\n\n  /**\n   * Returns fabric.Polyline instance from an object representation\n   * @static\n   * @memberOf fabric.Polyline\n   * @param {Object} object Object to create an instance from\n   * @param {Function} [callback] Callback to invoke when an fabric.Path instance is created\n   */\n  fabric.Polyline.fromObject = function(object, callback) {\n    return fabric.Object._fromObject('Polyline', object, callback, 'points');\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { });\n\n  if (fabric.Polygon) {\n    fabric.warn('fabric.Polygon is already defined');\n    return;\n  }\n\n  /**\n   * Polygon class\n   * @class fabric.Polygon\n   * @extends fabric.Polyline\n   * @see {@link fabric.Polygon#initialize} for constructor definition\n   */\n  fabric.Polygon = fabric.util.createClass(fabric.Polyline, /** @lends fabric.Polygon.prototype */ {\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'polygon',\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _render: function(ctx) {\n      if (!this.commonRender(ctx)) {\n        return;\n      }\n      ctx.closePath();\n      this._renderPaintInOrder(ctx);\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderDashedStroke: function(ctx) {\n      this.callSuper('_renderDashedStroke', ctx);\n      ctx.closePath();\n    },\n  });\n\n  /* _FROM_SVG_START_ */\n  /**\n   * List of attribute names to account for when parsing SVG element (used by `fabric.Polygon.fromElement`)\n   * @static\n   * @memberOf fabric.Polygon\n   * @see: http://www.w3.org/TR/SVG/shapes.html#PolygonElement\n   */\n  fabric.Polygon.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat();\n\n  /**\n   * Returns {@link fabric.Polygon} instance from an SVG element\n   * @static\n   * @memberOf fabric.Polygon\n   * @param {SVGElement} element Element to parse\n   * @param {Function} callback callback function invoked after parsing\n   * @param {Object} [options] Options object\n   */\n  fabric.Polygon.fromElement = fabric.Polyline.fromElementGenerator('Polygon');\n  /* _FROM_SVG_END_ */\n\n  /**\n   * Returns fabric.Polygon instance from an object representation\n   * @static\n   * @memberOf fabric.Polygon\n   * @param {Object} object Object to create an instance from\n   * @param {Function} [callback] Callback to invoke when an fabric.Path instance is created\n   */\n  fabric.Polygon.fromObject = function(object, callback) {\n    return fabric.Object._fromObject('Polygon', object, callback, 'points');\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { }),\n      min = fabric.util.array.min,\n      max = fabric.util.array.max,\n      extend = fabric.util.object.extend,\n      _toString = Object.prototype.toString,\n      toFixed = fabric.util.toFixed;\n\n  if (fabric.Path) {\n    fabric.warn('fabric.Path is already defined');\n    return;\n  }\n\n  /**\n   * Path class\n   * @class fabric.Path\n   * @extends fabric.Object\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-1#path_and_pathgroup}\n   * @see {@link fabric.Path#initialize} for constructor definition\n   */\n  fabric.Path = fabric.util.createClass(fabric.Object, /** @lends fabric.Path.prototype */ {\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'path',\n\n    /**\n     * Array of path points\n     * @type Array\n     * @default\n     */\n    path: null,\n\n    cacheProperties: fabric.Object.prototype.cacheProperties.concat('path', 'fillRule'),\n\n    stateProperties: fabric.Object.prototype.stateProperties.concat('path'),\n\n    /**\n     * Constructor\n     * @param {Array|String} path Path data (sequence of coordinates and corresponding \"command\" tokens)\n     * @param {Object} [options] Options object\n     * @return {fabric.Path} thisArg\n     */\n    initialize: function(path, options) {\n      options = options || { };\n      this.callSuper('initialize', options);\n      if (!path) {\n        path = [];\n      }\n\n      var fromArray = _toString.call(path) === '[object Array]';\n\n      this.path = fromArray\n        ? fabric.util.makePathSimpler(path)\n\n        : fabric.util.makePathSimpler(\n          fabric.util.parsePath(path)\n        );\n\n      if (!this.path) {\n        return;\n      }\n      fabric.Polyline.prototype._setPositionDimensions.call(this, options);\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx context to render path on\n     */\n    _renderPathCommands: function(ctx) {\n      var current, // current instruction\n          subpathStartX = 0,\n          subpathStartY = 0,\n          x = 0, // current x\n          y = 0, // current y\n          controlX = 0, // current control point x\n          controlY = 0, // current control point y\n          l = -this.pathOffset.x,\n          t = -this.pathOffset.y;\n\n      ctx.beginPath();\n\n      for (var i = 0, len = this.path.length; i < len; ++i) {\n\n        current = this.path[i];\n\n        switch (current[0]) { // first letter\n\n          case 'L': // lineto, absolute\n            x = current[1];\n            y = current[2];\n            ctx.lineTo(x + l, y + t);\n            break;\n\n          case 'M': // moveTo, absolute\n            x = current[1];\n            y = current[2];\n            subpathStartX = x;\n            subpathStartY = y;\n            ctx.moveTo(x + l, y + t);\n            break;\n\n          case 'C': // bezierCurveTo, absolute\n            x = current[5];\n            y = current[6];\n            controlX = current[3];\n            controlY = current[4];\n            ctx.bezierCurveTo(\n              current[1] + l,\n              current[2] + t,\n              controlX + l,\n              controlY + t,\n              x + l,\n              y + t\n            );\n            break;\n\n          case 'Q': // quadraticCurveTo, absolute\n            ctx.quadraticCurveTo(\n              current[1] + l,\n              current[2] + t,\n              current[3] + l,\n              current[4] + t\n            );\n            x = current[3];\n            y = current[4];\n            controlX = current[1];\n            controlY = current[2];\n            break;\n\n          case 'z':\n          case 'Z':\n            x = subpathStartX;\n            y = subpathStartY;\n            ctx.closePath();\n            break;\n        }\n      }\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx context to render path on\n     */\n    _render: function(ctx) {\n      this._renderPathCommands(ctx);\n      this._renderPaintInOrder(ctx);\n    },\n\n    /**\n     * Returns string representation of an instance\n     * @return {String} string representation of an instance\n     */\n    toString: function() {\n      return '#<fabric.Path (' + this.complexity() +\n        '): { \"top\": ' + this.top + ', \"left\": ' + this.left + ' }>';\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} object representation of an instance\n     */\n    toObject: function(propertiesToInclude) {\n      return extend(this.callSuper('toObject', propertiesToInclude), {\n        path: this.path.map(function(item) { return item.slice(); }),\n      });\n    },\n\n    /**\n     * Returns dataless object representation of an instance\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} object representation of an instance\n     */\n    toDatalessObject: function(propertiesToInclude) {\n      var o = this.toObject(['sourcePath'].concat(propertiesToInclude));\n      if (o.sourcePath) {\n        delete o.path;\n      }\n      return o;\n    },\n\n    /* _TO_SVG_START_ */\n    /**\n     * Returns svg representation of an instance\n     * @return {Array} an array of strings with the specific svg representation\n     * of the instance\n     */\n    _toSVG: function() {\n      var path = this.path.map(function(path) {\n        return path.join(' ');\n      }).join(' ');\n      return [\n        '<path ', 'COMMON_PARTS',\n        'd=\"', path,\n        '\" stroke-linecap=\"round\" ',\n        '/>\\n'\n      ];\n    },\n\n    _getOffsetTransform: function() {\n      var digits = fabric.Object.NUM_FRACTION_DIGITS;\n      return ' translate(' + toFixed(-this.pathOffset.x, digits) + ', ' +\n          toFixed(-this.pathOffset.y, digits) + ')';\n    },\n\n    /**\n     * Returns svg clipPath representation of an instance\n     * @param {Function} [reviver] Method for further parsing of svg representation.\n     * @return {String} svg representation of an instance\n     */\n    toClipPathSVG: function(reviver) {\n      var additionalTransform = this._getOffsetTransform();\n      return '\\t' + this._createBaseClipPathSVGMarkup(\n        this._toSVG(), { reviver: reviver, additionalTransform: additionalTransform }\n      );\n    },\n\n    /**\n     * Returns svg representation of an instance\n     * @param {Function} [reviver] Method for further parsing of svg representation.\n     * @return {String} svg representation of an instance\n     */\n    toSVG: function(reviver) {\n      var additionalTransform = this._getOffsetTransform();\n      return this._createBaseSVGMarkup(this._toSVG(), { reviver: reviver, additionalTransform: additionalTransform  });\n    },\n    /* _TO_SVG_END_ */\n\n    /**\n     * Returns number representation of an instance complexity\n     * @return {Number} complexity of this instance\n     */\n    complexity: function() {\n      return this.path.length;\n    },\n\n    /**\n     * @private\n     */\n    _calcDimensions: function() {\n\n      var aX = [],\n          aY = [],\n          current, // current instruction\n          subpathStartX = 0,\n          subpathStartY = 0,\n          x = 0, // current x\n          y = 0, // current y\n          bounds;\n\n      for (var i = 0, len = this.path.length; i < len; ++i) {\n\n        current = this.path[i];\n\n        switch (current[0]) { // first letter\n\n          case 'L': // lineto, absolute\n            x = current[1];\n            y = current[2];\n            bounds = [];\n            break;\n\n          case 'M': // moveTo, absolute\n            x = current[1];\n            y = current[2];\n            subpathStartX = x;\n            subpathStartY = y;\n            bounds = [];\n            break;\n\n          case 'C': // bezierCurveTo, absolute\n            bounds = fabric.util.getBoundsOfCurve(x, y,\n              current[1],\n              current[2],\n              current[3],\n              current[4],\n              current[5],\n              current[6]\n            );\n            x = current[5];\n            y = current[6];\n            break;\n\n          case 'Q': // quadraticCurveTo, absolute\n            bounds = fabric.util.getBoundsOfCurve(x, y,\n              current[1],\n              current[2],\n              current[1],\n              current[2],\n              current[3],\n              current[4]\n            );\n            x = current[3];\n            y = current[4];\n            break;\n\n          case 'z':\n          case 'Z':\n            x = subpathStartX;\n            y = subpathStartY;\n            break;\n        }\n        bounds.forEach(function (point) {\n          aX.push(point.x);\n          aY.push(point.y);\n        });\n        aX.push(x);\n        aY.push(y);\n      }\n\n      var minX = min(aX) || 0,\n          minY = min(aY) || 0,\n          maxX = max(aX) || 0,\n          maxY = max(aY) || 0,\n          deltaX = maxX - minX,\n          deltaY = maxY - minY;\n\n      return {\n        left: minX,\n        top: minY,\n        width: deltaX,\n        height: deltaY\n      };\n    }\n  });\n\n  /**\n   * Creates an instance of fabric.Path from an object\n   * @static\n   * @memberOf fabric.Path\n   * @param {Object} object\n   * @param {Function} [callback] Callback to invoke when an fabric.Path instance is created\n   */\n  fabric.Path.fromObject = function(object, callback) {\n    if (typeof object.sourcePath === 'string') {\n      var pathUrl = object.sourcePath;\n      fabric.loadSVGFromURL(pathUrl, function (elements) {\n        var path = elements[0];\n        path.setOptions(object);\n        callback && callback(path);\n      });\n    }\n    else {\n      fabric.Object._fromObject('Path', object, callback, 'path');\n    }\n  };\n\n  /* _FROM_SVG_START_ */\n  /**\n   * List of attribute names to account for when parsing SVG element (used by `fabric.Path.fromElement`)\n   * @static\n   * @memberOf fabric.Path\n   * @see http://www.w3.org/TR/SVG/paths.html#PathElement\n   */\n  fabric.Path.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat(['d']);\n\n  /**\n   * Creates an instance of fabric.Path from an SVG <path> element\n   * @static\n   * @memberOf fabric.Path\n   * @param {SVGElement} element to parse\n   * @param {Function} callback Callback to invoke when an fabric.Path instance is created\n   * @param {Object} [options] Options object\n   * @param {Function} [callback] Options callback invoked after parsing is finished\n   */\n  fabric.Path.fromElement = function(element, callback, options) {\n    var parsedAttributes = fabric.parseAttributes(element, fabric.Path.ATTRIBUTE_NAMES);\n    parsedAttributes.fromSVG = true;\n    callback(new fabric.Path(parsedAttributes.d, extend(parsedAttributes, options)));\n  };\n  /* _FROM_SVG_END_ */\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { }),\n      min = fabric.util.array.min,\n      max = fabric.util.array.max;\n\n  if (fabric.Group) {\n    return;\n  }\n\n  /**\n   * Group class\n   * @class fabric.Group\n   * @extends fabric.Object\n   * @mixes fabric.Collection\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-3#groups}\n   * @see {@link fabric.Group#initialize} for constructor definition\n   */\n  fabric.Group = fabric.util.createClass(fabric.Object, fabric.Collection, /** @lends fabric.Group.prototype */ {\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'group',\n\n    /**\n     * Width of stroke\n     * @type Number\n     * @default\n     */\n    strokeWidth: 0,\n\n    /**\n     * Indicates if click, mouseover, mouseout events & hoverCursor should also check for subtargets\n     * @type Boolean\n     * @default\n     */\n    subTargetCheck: false,\n\n    /**\n     * Groups are container, do not render anything on theyr own, ence no cache properties\n     * @type Array\n     * @default\n     */\n    cacheProperties: [],\n\n    /**\n     * setOnGroup is a method used for TextBox that is no more used since 2.0.0 The behavior is still\n     * available setting this boolean to true.\n     * @type Boolean\n     * @since 2.0.0\n     * @default\n     */\n    useSetOnGroup: false,\n\n    /**\n     * Constructor\n     * @param {Object} objects Group objects\n     * @param {Object} [options] Options object\n     * @param {Boolean} [isAlreadyGrouped] if true, objects have been grouped already.\n     * @return {Object} thisArg\n     */\n    initialize: function(objects, options, isAlreadyGrouped) {\n      options = options || {};\n      this._objects = [];\n      // if objects enclosed in a group have been grouped already,\n      // we cannot change properties of objects.\n      // Thus we need to set options to group without objects,\n      isAlreadyGrouped && this.callSuper('initialize', options);\n      this._objects = objects || [];\n      for (var i = this._objects.length; i--; ) {\n        this._objects[i].group = this;\n      }\n\n      if (!isAlreadyGrouped) {\n        var center = options && options.centerPoint;\n        // we want to set origins before calculating the bounding box.\n        // so that the topleft can be set with that in mind.\n        // if specific top and left are passed, are overwritten later\n        // with the callSuper('initialize', options)\n        if (options.originX !== undefined) {\n          this.originX = options.originX;\n        }\n        if (options.originY !== undefined) {\n          this.originY = options.originY;\n        }\n        // if coming from svg i do not want to calc bounds.\n        // i assume width and height are passed along options\n        center || this._calcBounds();\n        this._updateObjectsCoords(center);\n        delete options.centerPoint;\n        this.callSuper('initialize', options);\n      }\n      else {\n        this._updateObjectsACoords();\n      }\n\n      this.setCoords();\n    },\n\n    /**\n     * @private\n     */\n    _updateObjectsACoords: function() {\n      var skipControls = true;\n      for (var i = this._objects.length; i--; ){\n        this._objects[i].setCoords(skipControls);\n      }\n    },\n\n    /**\n     * @private\n     * @param {Boolean} [skipCoordsChange] if true, coordinates of objects enclosed in a group do not change\n     */\n    _updateObjectsCoords: function(center) {\n      var center = center || this.getCenterPoint();\n      for (var i = this._objects.length; i--; ){\n        this._updateObjectCoords(this._objects[i], center);\n      }\n    },\n\n    /**\n     * @private\n     * @param {Object} object\n     * @param {fabric.Point} center, current center of group.\n     */\n    _updateObjectCoords: function(object, center) {\n      var objectLeft = object.left,\n          objectTop = object.top,\n          skipControls = true;\n\n      object.set({\n        left: objectLeft - center.x,\n        top: objectTop - center.y\n      });\n      object.group = this;\n      object.setCoords(skipControls);\n    },\n\n    /**\n     * Returns string represenation of a group\n     * @return {String}\n     */\n    toString: function() {\n      return '#<fabric.Group: (' + this.complexity() + ')>';\n    },\n\n    /**\n     * Adds an object to a group; Then recalculates group's dimension, position.\n     * @param {Object} object\n     * @return {fabric.Group} thisArg\n     * @chainable\n     */\n    addWithUpdate: function(object) {\n      var nested = !!this.group;\n      this._restoreObjectsState();\n      fabric.util.resetObjectTransform(this);\n      if (object) {\n        if (nested) {\n          // if this group is inside another group, we need to pre transform the object\n          fabric.util.removeTransformFromObject(object, this.group.calcTransformMatrix());\n        }\n        this._objects.push(object);\n        object.group = this;\n        object._set('canvas', this.canvas);\n      }\n      this._calcBounds();\n      this._updateObjectsCoords();\n      this.dirty = true;\n      if (nested) {\n        this.group.addWithUpdate();\n      }\n      else {\n        this.setCoords();\n      }\n      return this;\n    },\n\n    /**\n     * Removes an object from a group; Then recalculates group's dimension, position.\n     * @param {Object} object\n     * @return {fabric.Group} thisArg\n     * @chainable\n     */\n    removeWithUpdate: function(object) {\n      this._restoreObjectsState();\n      fabric.util.resetObjectTransform(this);\n\n      this.remove(object);\n      this._calcBounds();\n      this._updateObjectsCoords();\n      this.setCoords();\n      this.dirty = true;\n      return this;\n    },\n\n    /**\n     * @private\n     */\n    _onObjectAdded: function(object) {\n      this.dirty = true;\n      object.group = this;\n      object._set('canvas', this.canvas);\n    },\n\n    /**\n     * @private\n     */\n    _onObjectRemoved: function(object) {\n      this.dirty = true;\n      delete object.group;\n    },\n\n    /**\n     * @private\n     */\n    _set: function(key, value) {\n      var i = this._objects.length;\n      if (this.useSetOnGroup) {\n        while (i--) {\n          this._objects[i].setOnGroup(key, value);\n        }\n      }\n      if (key === 'canvas') {\n        while (i--) {\n          this._objects[i]._set(key, value);\n        }\n      }\n      fabric.Object.prototype._set.call(this, key, value);\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} object representation of an instance\n     */\n    toObject: function(propertiesToInclude) {\n      var _includeDefaultValues = this.includeDefaultValues;\n      var objsToObject = this._objects.map(function(obj) {\n        var originalDefaults = obj.includeDefaultValues;\n        obj.includeDefaultValues = _includeDefaultValues;\n        var _obj = obj.toObject(propertiesToInclude);\n        obj.includeDefaultValues = originalDefaults;\n        return _obj;\n      });\n      var obj = fabric.Object.prototype.toObject.call(this, propertiesToInclude);\n      obj.objects = objsToObject;\n      return obj;\n    },\n\n    /**\n     * Returns object representation of an instance, in dataless mode.\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} object representation of an instance\n     */\n    toDatalessObject: function(propertiesToInclude) {\n      var objsToObject, sourcePath = this.sourcePath;\n      if (sourcePath) {\n        objsToObject = sourcePath;\n      }\n      else {\n        var _includeDefaultValues = this.includeDefaultValues;\n        objsToObject = this._objects.map(function(obj) {\n          var originalDefaults = obj.includeDefaultValues;\n          obj.includeDefaultValues = _includeDefaultValues;\n          var _obj = obj.toDatalessObject(propertiesToInclude);\n          obj.includeDefaultValues = originalDefaults;\n          return _obj;\n        });\n      }\n      var obj = fabric.Object.prototype.toDatalessObject.call(this, propertiesToInclude);\n      obj.objects = objsToObject;\n      return obj;\n    },\n\n    /**\n     * Renders instance on a given context\n     * @param {CanvasRenderingContext2D} ctx context to render instance on\n     */\n    render: function(ctx) {\n      this._transformDone = true;\n      this.callSuper('render', ctx);\n      this._transformDone = false;\n    },\n\n    /**\n     * Decide if the object should cache or not. Create its own cache level\n     * needsItsOwnCache should be used when the object drawing method requires\n     * a cache step. None of the fabric classes requires it.\n     * Generally you do not cache objects in groups because the group is already cached.\n     * @return {Boolean}\n     */\n    shouldCache: function() {\n      var ownCache = fabric.Object.prototype.shouldCache.call(this);\n      if (ownCache) {\n        for (var i = 0, len = this._objects.length; i < len; i++) {\n          if (this._objects[i].willDrawShadow()) {\n            this.ownCaching = false;\n            return false;\n          }\n        }\n      }\n      return ownCache;\n    },\n\n    /**\n     * Check if this object or a child object will cast a shadow\n     * @return {Boolean}\n     */\n    willDrawShadow: function() {\n      if (fabric.Object.prototype.willDrawShadow.call(this)) {\n        return true;\n      }\n      for (var i = 0, len = this._objects.length; i < len; i++) {\n        if (this._objects[i].willDrawShadow()) {\n          return true;\n        }\n      }\n      return false;\n    },\n\n    /**\n     * Check if this group or its parent group are caching, recursively up\n     * @return {Boolean}\n     */\n    isOnACache: function() {\n      return this.ownCaching || (this.group && this.group.isOnACache());\n    },\n\n    /**\n     * Execute the drawing operation for an object on a specified context\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    drawObject: function(ctx) {\n      for (var i = 0, len = this._objects.length; i < len; i++) {\n        this._objects[i].render(ctx);\n      }\n      this._drawClipPath(ctx);\n    },\n\n    /**\n     * Check if cache is dirty\n     */\n    isCacheDirty: function(skipCanvas) {\n      if (this.callSuper('isCacheDirty', skipCanvas)) {\n        return true;\n      }\n      if (!this.statefullCache) {\n        return false;\n      }\n      for (var i = 0, len = this._objects.length; i < len; i++) {\n        if (this._objects[i].isCacheDirty(true)) {\n          if (this._cacheCanvas) {\n            // if this group has not a cache canvas there is nothing to clean\n            var x = this.cacheWidth / this.zoomX, y = this.cacheHeight / this.zoomY;\n            this._cacheContext.clearRect(-x / 2, -y / 2, x, y);\n          }\n          return true;\n        }\n      }\n      return false;\n    },\n\n    /**\n     * Restores original state of each of group objects (original state is that which was before group was created).\n     * if the nested boolean is true, the original state will be restored just for the\n     * first group and not for all the group chain\n     * @private\n     * @param {Boolean} nested tell the function to restore object state up to the parent group and not more\n     * @return {fabric.Group} thisArg\n     * @chainable\n     */\n    _restoreObjectsState: function() {\n      var groupMatrix = this.calcOwnMatrix();\n      this._objects.forEach(function(object) {\n        // instead of using _this = this;\n        fabric.util.addTransformToObject(object, groupMatrix);\n        delete object.group;\n        object.setCoords();\n      });\n      return this;\n    },\n\n    /**\n     * Realises the transform from this group onto the supplied object\n     * i.e. it tells you what would happen if the supplied object was in\n     * the group, and then the group was destroyed. It mutates the supplied\n     * object.\n     * Warning: this method is not useful anymore, it has been kept to no break the api.\n     * is not used in the fabricJS codebase\n     * this method will be reduced to using the utility.\n     * @private\n     * @deprecated\n     * @param {fabric.Object} object\n     * @param {Array} parentMatrix parent transformation\n     * @return {fabric.Object} transformedObject\n     */\n    realizeTransform: function(object, parentMatrix) {\n      fabric.util.addTransformToObject(object, parentMatrix);\n      return object;\n    },\n\n    /**\n     * Destroys a group (restoring state of its objects)\n     * @return {fabric.Group} thisArg\n     * @chainable\n     */\n    destroy: function() {\n      // when group is destroyed objects needs to get a repaint to be eventually\n      // displayed on canvas.\n      this._objects.forEach(function(object) {\n        object.set('dirty', true);\n      });\n      return this._restoreObjectsState();\n    },\n\n    /**\n     * make a group an active selection, remove the group from canvas\n     * the group has to be on canvas for this to work.\n     * @return {fabric.ActiveSelection} thisArg\n     * @chainable\n     */\n    toActiveSelection: function() {\n      if (!this.canvas) {\n        return;\n      }\n      var objects = this._objects, canvas = this.canvas;\n      this._objects = [];\n      var options = this.toObject();\n      delete options.objects;\n      var activeSelection = new fabric.ActiveSelection([]);\n      activeSelection.set(options);\n      activeSelection.type = 'activeSelection';\n      canvas.remove(this);\n      objects.forEach(function(object) {\n        object.group = activeSelection;\n        object.dirty = true;\n        canvas.add(object);\n      });\n      activeSelection.canvas = canvas;\n      activeSelection._objects = objects;\n      canvas._activeObject = activeSelection;\n      activeSelection.setCoords();\n      return activeSelection;\n    },\n\n    /**\n     * Destroys a group (restoring state of its objects)\n     * @return {fabric.Group} thisArg\n     * @chainable\n     */\n    ungroupOnCanvas: function() {\n      return this._restoreObjectsState();\n    },\n\n    /**\n     * Sets coordinates of all objects inside group\n     * @return {fabric.Group} thisArg\n     * @chainable\n     */\n    setObjectsCoords: function() {\n      var skipControls = true;\n      this.forEachObject(function(object) {\n        object.setCoords(skipControls);\n      });\n      return this;\n    },\n\n    /**\n     * @private\n     */\n    _calcBounds: function(onlyWidthHeight) {\n      var aX = [],\n          aY = [],\n          o, prop, coords,\n          props = ['tr', 'br', 'bl', 'tl'],\n          i = 0, iLen = this._objects.length,\n          j, jLen = props.length;\n\n      for ( ; i < iLen; ++i) {\n        o = this._objects[i];\n        coords = o.calcACoords();\n        for (j = 0; j < jLen; j++) {\n          prop = props[j];\n          aX.push(coords[prop].x);\n          aY.push(coords[prop].y);\n        }\n        o.aCoords = coords;\n      }\n\n      this._getBounds(aX, aY, onlyWidthHeight);\n    },\n\n    /**\n     * @private\n     */\n    _getBounds: function(aX, aY, onlyWidthHeight) {\n      var minXY = new fabric.Point(min(aX), min(aY)),\n          maxXY = new fabric.Point(max(aX), max(aY)),\n          top = minXY.y || 0, left = minXY.x || 0,\n          width = (maxXY.x - minXY.x) || 0,\n          height = (maxXY.y - minXY.y) || 0;\n      this.width = width;\n      this.height = height;\n      if (!onlyWidthHeight) {\n        // the bounding box always finds the topleft most corner.\n        // whatever is the group origin, we set up here the left/top position.\n        this.setPositionByOrigin({ x: left, y: top }, 'left', 'top');\n      }\n    },\n\n    /* _TO_SVG_START_ */\n    /**\n     * Returns svg representation of an instance\n     * @param {Function} [reviver] Method for further parsing of svg representation.\n     * @return {String} svg representation of an instance\n     */\n    _toSVG: function(reviver) {\n      var svgString = ['<g ', 'COMMON_PARTS', ' >\\n'];\n\n      for (var i = 0, len = this._objects.length; i < len; i++) {\n        svgString.push('\\t\\t', this._objects[i].toSVG(reviver));\n      }\n      svgString.push('</g>\\n');\n      return svgString;\n    },\n\n    /**\n     * Returns styles-string for svg-export, specific version for group\n     * @return {String}\n     */\n    getSvgStyles: function() {\n      var opacity = typeof this.opacity !== 'undefined' && this.opacity !== 1 ?\n            'opacity: ' + this.opacity + ';' : '',\n          visibility = this.visible ? '' : ' visibility: hidden;';\n      return [\n        opacity,\n        this.getSvgFilter(),\n        visibility\n      ].join('');\n    },\n\n    /**\n     * Returns svg clipPath representation of an instance\n     * @param {Function} [reviver] Method for further parsing of svg representation.\n     * @return {String} svg representation of an instance\n     */\n    toClipPathSVG: function(reviver) {\n      var svgString = [];\n\n      for (var i = 0, len = this._objects.length; i < len; i++) {\n        svgString.push('\\t', this._objects[i].toClipPathSVG(reviver));\n      }\n\n      return this._createBaseClipPathSVGMarkup(svgString, { reviver: reviver });\n    },\n    /* _TO_SVG_END_ */\n  });\n\n  /**\n   * Returns {@link fabric.Group} instance from an object representation\n   * @static\n   * @memberOf fabric.Group\n   * @param {Object} object Object to create a group from\n   * @param {Function} [callback] Callback to invoke when an group instance is created\n   */\n  fabric.Group.fromObject = function(object, callback) {\n    var objects = object.objects,\n        options = fabric.util.object.clone(object, true);\n    delete options.objects;\n    if (typeof objects === 'string') {\n      // it has to be an url or something went wrong.\n      fabric.loadSVGFromURL(objects, function (elements) {\n        var group = fabric.util.groupSVGElements(elements, object, objects);\n        group.set(options);\n        callback && callback(group);\n      });\n      return;\n    }\n    fabric.util.enlivenObjects(objects, function(enlivenedObjects) {\n      fabric.util.enlivenObjects([object.clipPath], function(enlivedClipPath) {\n        var options = fabric.util.object.clone(object, true);\n        options.clipPath = enlivedClipPath[0];\n        delete options.objects;\n        callback && callback(new fabric.Group(enlivenedObjects, options, true));\n      });\n    });\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { });\n\n  if (fabric.ActiveSelection) {\n    return;\n  }\n\n  /**\n   * Group class\n   * @class fabric.ActiveSelection\n   * @extends fabric.Group\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-3#groups}\n   * @see {@link fabric.ActiveSelection#initialize} for constructor definition\n   */\n  fabric.ActiveSelection = fabric.util.createClass(fabric.Group, /** @lends fabric.ActiveSelection.prototype */ {\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'activeSelection',\n\n    /**\n     * Constructor\n     * @param {Object} objects ActiveSelection objects\n     * @param {Object} [options] Options object\n     * @return {Object} thisArg\n     */\n    initialize: function(objects, options) {\n      options = options || {};\n      this._objects = objects || [];\n      for (var i = this._objects.length; i--; ) {\n        this._objects[i].group = this;\n      }\n\n      if (options.originX) {\n        this.originX = options.originX;\n      }\n      if (options.originY) {\n        this.originY = options.originY;\n      }\n      this._calcBounds();\n      this._updateObjectsCoords();\n      fabric.Object.prototype.initialize.call(this, options);\n      this.setCoords();\n    },\n\n    /**\n     * Change te activeSelection to a normal group,\n     * High level function that automatically adds it to canvas as\n     * active object. no events fired.\n     * @since 2.0.0\n     * @return {fabric.Group}\n     */\n    toGroup: function() {\n      var objects = this._objects.concat();\n      this._objects = [];\n      var options = fabric.Object.prototype.toObject.call(this);\n      var newGroup = new fabric.Group([]);\n      delete options.type;\n      newGroup.set(options);\n      objects.forEach(function(object) {\n        object.canvas.remove(object);\n        object.group = newGroup;\n      });\n      newGroup._objects = objects;\n      if (!this.canvas) {\n        return newGroup;\n      }\n      var canvas = this.canvas;\n      canvas.add(newGroup);\n      canvas._activeObject = newGroup;\n      newGroup.setCoords();\n      return newGroup;\n    },\n\n    /**\n     * If returns true, deselection is cancelled.\n     * @since 2.0.0\n     * @return {Boolean} [cancel]\n     */\n    onDeselect: function() {\n      this.destroy();\n      return false;\n    },\n\n    /**\n     * Returns string representation of a group\n     * @return {String}\n     */\n    toString: function() {\n      return '#<fabric.ActiveSelection: (' + this.complexity() + ')>';\n    },\n\n    /**\n     * Decide if the object should cache or not. Create its own cache level\n     * objectCaching is a global flag, wins over everything\n     * needsItsOwnCache should be used when the object drawing method requires\n     * a cache step. None of the fabric classes requires it.\n     * Generally you do not cache objects in groups because the group outside is cached.\n     * @return {Boolean}\n     */\n    shouldCache: function() {\n      return false;\n    },\n\n    /**\n     * Check if this group or its parent group are caching, recursively up\n     * @return {Boolean}\n     */\n    isOnACache: function() {\n      return false;\n    },\n\n    /**\n     * Renders controls and borders for the object\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @param {Object} [styleOverride] properties to override the object style\n     * @param {Object} [childrenOverride] properties to override the children overrides\n     */\n    _renderControls: function(ctx, styleOverride, childrenOverride) {\n      ctx.save();\n      ctx.globalAlpha = this.isMoving ? this.borderOpacityWhenMoving : 1;\n      this.callSuper('_renderControls', ctx, styleOverride);\n      childrenOverride = childrenOverride || { };\n      if (typeof childrenOverride.hasControls === 'undefined') {\n        childrenOverride.hasControls = false;\n      }\n      childrenOverride.forActiveSelection = true;\n      for (var i = 0, len = this._objects.length; i < len; i++) {\n        this._objects[i]._renderControls(ctx, childrenOverride);\n      }\n      ctx.restore();\n    },\n  });\n\n  /**\n   * Returns {@link fabric.ActiveSelection} instance from an object representation\n   * @static\n   * @memberOf fabric.ActiveSelection\n   * @param {Object} object Object to create a group from\n   * @param {Function} [callback] Callback to invoke when an ActiveSelection instance is created\n   */\n  fabric.ActiveSelection.fromObject = function(object, callback) {\n    fabric.util.enlivenObjects(object.objects, function(enlivenedObjects) {\n      delete object.objects;\n      callback && callback(new fabric.ActiveSelection(enlivenedObjects, object, true));\n    });\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var extend = fabric.util.object.extend;\n\n  if (!global.fabric) {\n    global.fabric = { };\n  }\n\n  if (global.fabric.Image) {\n    fabric.warn('fabric.Image is already defined.');\n    return;\n  }\n\n  /**\n   * Image class\n   * @class fabric.Image\n   * @extends fabric.Object\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-1#images}\n   * @see {@link fabric.Image#initialize} for constructor definition\n   */\n  fabric.Image = fabric.util.createClass(fabric.Object, /** @lends fabric.Image.prototype */ {\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'image',\n\n    /**\n     * Width of a stroke.\n     * For image quality a stroke multiple of 2 gives better results.\n     * @type Number\n     * @default\n     */\n    strokeWidth: 0,\n\n    /**\n     * When calling {@link fabric.Image.getSrc}, return value from element src with `element.getAttribute('src')`.\n     * This allows for relative urls as image src.\n     * @since 2.7.0\n     * @type Boolean\n     * @default\n     */\n    srcFromAttribute: false,\n\n    /**\n     * private\n     * contains last value of scaleX to detect\n     * if the Image got resized after the last Render\n     * @type Number\n     */\n    _lastScaleX: 1,\n\n    /**\n     * private\n     * contains last value of scaleY to detect\n     * if the Image got resized after the last Render\n     * @type Number\n     */\n    _lastScaleY: 1,\n\n    /**\n     * private\n     * contains last value of scaling applied by the apply filter chain\n     * @type Number\n     */\n    _filterScalingX: 1,\n\n    /**\n     * private\n     * contains last value of scaling applied by the apply filter chain\n     * @type Number\n     */\n    _filterScalingY: 1,\n\n    /**\n     * minimum scale factor under which any resizeFilter is triggered to resize the image\n     * 0 will disable the automatic resize. 1 will trigger automatically always.\n     * number bigger than 1 are not implemented yet.\n     * @type Number\n     */\n    minimumScaleTrigger: 0.5,\n\n    /**\n     * List of properties to consider when checking if\n     * state of an object is changed ({@link fabric.Object#hasStateChanged})\n     * as well as for history (undo/redo) purposes\n     * @type Array\n     */\n    stateProperties: fabric.Object.prototype.stateProperties.concat('cropX', 'cropY'),\n\n    /**\n     * List of properties to consider when checking if cache needs refresh\n     * Those properties are checked by statefullCache ON ( or lazy mode if we want ) or from single\n     * calls to Object.set(key, value). If the key is in this list, the object is marked as dirty\n     * and refreshed at the next render\n     * @type Array\n     */\n    cacheProperties: fabric.Object.prototype.cacheProperties.concat('cropX', 'cropY'),\n\n    /**\n     * key used to retrieve the texture representing this image\n     * @since 2.0.0\n     * @type String\n     * @default\n     */\n    cacheKey: '',\n\n    /**\n     * Image crop in pixels from original image size.\n     * @since 2.0.0\n     * @type Number\n     * @default\n     */\n    cropX: 0,\n\n    /**\n     * Image crop in pixels from original image size.\n     * @since 2.0.0\n     * @type Number\n     * @default\n     */\n    cropY: 0,\n\n    /**\n     * Indicates whether this canvas will use image smoothing when painting this image.\n     * Also influence if the cacheCanvas for this image uses imageSmoothing\n     * @since 4.0.0-beta.11\n     * @type Boolean\n     * @default\n     */\n    imageSmoothing: true,\n\n    /**\n     * Constructor\n     * Image can be initialized with any canvas drawable or a string.\n     * The string should be a url and will be loaded as an image.\n     * Canvas and Image element work out of the box, while videos require extra code to work.\n     * Please check video element events for seeking.\n     * @param {HTMLImageElement | HTMLCanvasElement | HTMLVideoElement | String} element Image element\n     * @param {Object} [options] Options object\n     * @param {function} [callback] callback function to call after eventual filters applied.\n     * @return {fabric.Image} thisArg\n     */\n    initialize: function(element, options) {\n      options || (options = { });\n      this.filters = [];\n      this.cacheKey = 'texture' + fabric.Object.__uid++;\n      this.callSuper('initialize', options);\n      this._initElement(element, options);\n    },\n\n    /**\n     * Returns image element which this instance if based on\n     * @return {HTMLImageElement} Image element\n     */\n    getElement: function() {\n      return this._element || {};\n    },\n\n    /**\n     * Sets image element for this instance to a specified one.\n     * If filters defined they are applied to new image.\n     * You might need to call `canvas.renderAll` and `object.setCoords` after replacing, to render new image and update controls area.\n     * @param {HTMLImageElement} element\n     * @param {Object} [options] Options object\n     * @return {fabric.Image} thisArg\n     * @chainable\n     */\n    setElement: function(element, options) {\n      this.removeTexture(this.cacheKey);\n      this.removeTexture(this.cacheKey + '_filtered');\n      this._element = element;\n      this._originalElement = element;\n      this._initConfig(options);\n      if (this.filters.length !== 0) {\n        this.applyFilters();\n      }\n      // resizeFilters work on the already filtered copy.\n      // we need to apply resizeFilters AFTER normal filters.\n      // applyResizeFilters is run more often than normal filters\n      // and is triggered by user interactions rather than dev code\n      if (this.resizeFilter) {\n        this.applyResizeFilters();\n      }\n      return this;\n    },\n\n    /**\n     * Delete a single texture if in webgl mode\n     */\n    removeTexture: function(key) {\n      var backend = fabric.filterBackend;\n      if (backend && backend.evictCachesForKey) {\n        backend.evictCachesForKey(key);\n      }\n    },\n\n    /**\n     * Delete textures, reference to elements and eventually JSDOM cleanup\n     */\n    dispose: function() {\n      this.removeTexture(this.cacheKey);\n      this.removeTexture(this.cacheKey + '_filtered');\n      this._cacheContext = undefined;\n      ['_originalElement', '_element', '_filteredEl', '_cacheCanvas'].forEach((function(element) {\n        fabric.util.cleanUpJsdomNode(this[element]);\n        this[element] = undefined;\n      }).bind(this));\n    },\n\n    /**\n     * Get the crossOrigin value (of the corresponding image element)\n     */\n    getCrossOrigin: function() {\n      return this._originalElement && (this._originalElement.crossOrigin || null);\n    },\n\n    /**\n     * Returns original size of an image\n     * @return {Object} Object with \"width\" and \"height\" properties\n     */\n    getOriginalSize: function() {\n      var element = this.getElement();\n      return {\n        width: element.naturalWidth || element.width,\n        height: element.naturalHeight || element.height\n      };\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _stroke: function(ctx) {\n      if (!this.stroke || this.strokeWidth === 0) {\n        return;\n      }\n      var w = this.width / 2, h = this.height / 2;\n      ctx.beginPath();\n      ctx.moveTo(-w, -h);\n      ctx.lineTo(w, -h);\n      ctx.lineTo(w, h);\n      ctx.lineTo(-w, h);\n      ctx.lineTo(-w, -h);\n      ctx.closePath();\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderDashedStroke: function(ctx) {\n      var x = -this.width / 2,\n          y = -this.height / 2,\n          w = this.width,\n          h = this.height;\n\n      ctx.save();\n      this._setStrokeStyles(ctx, this);\n\n      ctx.beginPath();\n      fabric.util.drawDashedLine(ctx, x, y, x + w, y, this.strokeDashArray);\n      fabric.util.drawDashedLine(ctx, x + w, y, x + w, y + h, this.strokeDashArray);\n      fabric.util.drawDashedLine(ctx, x + w, y + h, x, y + h, this.strokeDashArray);\n      fabric.util.drawDashedLine(ctx, x, y + h, x, y, this.strokeDashArray);\n      ctx.closePath();\n      ctx.restore();\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} Object representation of an instance\n     */\n    toObject: function(propertiesToInclude) {\n      var filters = [];\n\n      this.filters.forEach(function(filterObj) {\n        if (filterObj) {\n          filters.push(filterObj.toObject());\n        }\n      });\n      var object = extend(\n        this.callSuper(\n          'toObject',\n          ['cropX', 'cropY'].concat(propertiesToInclude)\n        ), {\n          src: this.getSrc(),\n          crossOrigin: this.getCrossOrigin(),\n          filters: filters,\n        });\n      if (this.resizeFilter) {\n        object.resizeFilter = this.resizeFilter.toObject();\n      }\n      return object;\n    },\n\n    /**\n     * Returns true if an image has crop applied, inspecting values of cropX,cropY,width,height.\n     * @return {Boolean}\n     */\n    hasCrop: function() {\n      return this.cropX || this.cropY || this.width < this._element.width || this.height < this._element.height;\n    },\n\n    /* _TO_SVG_START_ */\n    /**\n     * Returns svg representation of an instance\n     * @return {Array} an array of strings with the specific svg representation\n     * of the instance\n     */\n    _toSVG: function() {\n      var svgString = [], imageMarkup = [], strokeSvg, element = this._element,\n          x = -this.width / 2, y = -this.height / 2, clipPath = '', imageRendering = '';\n      if (!element) {\n        return [];\n      }\n      if (this.hasCrop()) {\n        var clipPathId = fabric.Object.__uid++;\n        svgString.push(\n          '<clipPath id=\"imageCrop_' + clipPathId + '\">\\n',\n          '\\t<rect x=\"' + x + '\" y=\"' + y + '\" width=\"' + this.width + '\" height=\"' + this.height + '\" />\\n',\n          '</clipPath>\\n'\n        );\n        clipPath = ' clip-path=\"url(#imageCrop_' + clipPathId + ')\" ';\n      }\n      if (!this.imageSmoothing) {\n        imageRendering = '\" image-rendering=\"optimizeSpeed';\n      }\n      imageMarkup.push('\\t<image ', 'COMMON_PARTS', 'xlink:href=\"', this.getSvgSrc(true),\n        '\" x=\"', x - this.cropX, '\" y=\"', y - this.cropY,\n        // we're essentially moving origin of transformation from top/left corner to the center of the shape\n        // by wrapping it in container <g> element with actual transformation, then offsetting object to the top/left\n        // so that object's center aligns with container's left/top\n        '\" width=\"', element.width || element.naturalWidth,\n        '\" height=\"', element.height || element.height,\n        imageRendering,\n        '\"', clipPath,\n        '></image>\\n');\n\n      if (this.stroke || this.strokeDashArray) {\n        var origFill = this.fill;\n        this.fill = null;\n        strokeSvg = [\n          '\\t<rect ',\n          'x=\"', x, '\" y=\"', y,\n          '\" width=\"', this.width, '\" height=\"', this.height,\n          '\" style=\"', this.getSvgStyles(),\n          '\"/>\\n'\n        ];\n        this.fill = origFill;\n      }\n      if (this.paintFirst !== 'fill') {\n        svgString = svgString.concat(strokeSvg, imageMarkup);\n      }\n      else {\n        svgString = svgString.concat(imageMarkup, strokeSvg);\n      }\n      return svgString;\n    },\n    /* _TO_SVG_END_ */\n\n    /**\n     * Returns source of an image\n     * @param {Boolean} filtered indicates if the src is needed for svg\n     * @return {String} Source of an image\n     */\n    getSrc: function(filtered) {\n      var element = filtered ? this._element : this._originalElement;\n      if (element) {\n        if (element.toDataURL) {\n          return element.toDataURL();\n        }\n\n        if (this.srcFromAttribute) {\n          return element.getAttribute('src');\n        }\n        else {\n          return element.src;\n        }\n      }\n      else {\n        return this.src || '';\n      }\n    },\n\n    /**\n     * Sets source of an image\n     * @param {String} src Source string (URL)\n     * @param {Function} [callback] Callback is invoked when image has been loaded (and all filters have been applied)\n     * @param {Object} [options] Options object\n     * @param {String} [options.crossOrigin] crossOrigin value (one of \"\", \"anonymous\", \"use-credentials\")\n     * @see https://developer.mozilla.org/en-US/docs/HTML/CORS_settings_attributes\n     * @return {fabric.Image} thisArg\n     * @chainable\n     */\n    setSrc: function(src, callback, options) {\n      fabric.util.loadImage(src, function(img, isError) {\n        this.setElement(img, options);\n        this._setWidthHeight();\n        callback && callback(this, isError);\n      }, this, options && options.crossOrigin);\n      return this;\n    },\n\n    /**\n     * Returns string representation of an instance\n     * @return {String} String representation of an instance\n     */\n    toString: function() {\n      return '#<fabric.Image: { src: \"' + this.getSrc() + '\" }>';\n    },\n\n    applyResizeFilters: function() {\n      var filter = this.resizeFilter,\n          minimumScale = this.minimumScaleTrigger,\n          objectScale = this.getTotalObjectScaling(),\n          scaleX = objectScale.scaleX,\n          scaleY = objectScale.scaleY,\n          elementToFilter = this._filteredEl || this._originalElement;\n      if (this.group) {\n        this.set('dirty', true);\n      }\n      if (!filter || (scaleX > minimumScale && scaleY > minimumScale)) {\n        this._element = elementToFilter;\n        this._filterScalingX = 1;\n        this._filterScalingY = 1;\n        this._lastScaleX = scaleX;\n        this._lastScaleY = scaleY;\n        return;\n      }\n      if (!fabric.filterBackend) {\n        fabric.filterBackend = fabric.initFilterBackend();\n      }\n      var canvasEl = fabric.util.createCanvasElement(),\n          cacheKey = this._filteredEl ? (this.cacheKey + '_filtered') : this.cacheKey,\n          sourceWidth = elementToFilter.width, sourceHeight = elementToFilter.height;\n      canvasEl.width = sourceWidth;\n      canvasEl.height = sourceHeight;\n      this._element = canvasEl;\n      this._lastScaleX = filter.scaleX = scaleX;\n      this._lastScaleY = filter.scaleY = scaleY;\n      fabric.filterBackend.applyFilters(\n        [filter], elementToFilter, sourceWidth, sourceHeight, this._element, cacheKey);\n      this._filterScalingX = canvasEl.width / this._originalElement.width;\n      this._filterScalingY = canvasEl.height / this._originalElement.height;\n    },\n\n    /**\n     * Applies filters assigned to this image (from \"filters\" array) or from filter param\n     * @method applyFilters\n     * @param {Array} filters to be applied\n     * @param {Boolean} forResizing specify if the filter operation is a resize operation\n     * @return {thisArg} return the fabric.Image object\n     * @chainable\n     */\n    applyFilters: function(filters) {\n\n      filters = filters || this.filters || [];\n      filters = filters.filter(function(filter) { return filter && !filter.isNeutralState(); });\n      this.set('dirty', true);\n\n      // needs to clear out or WEBGL will not resize correctly\n      this.removeTexture(this.cacheKey + '_filtered');\n\n      if (filters.length === 0) {\n        this._element = this._originalElement;\n        this._filteredEl = null;\n        this._filterScalingX = 1;\n        this._filterScalingY = 1;\n        return this;\n      }\n\n      var imgElement = this._originalElement,\n          sourceWidth = imgElement.naturalWidth || imgElement.width,\n          sourceHeight = imgElement.naturalHeight || imgElement.height;\n\n      if (this._element === this._originalElement) {\n        // if the element is the same we need to create a new element\n        var canvasEl = fabric.util.createCanvasElement();\n        canvasEl.width = sourceWidth;\n        canvasEl.height = sourceHeight;\n        this._element = canvasEl;\n        this._filteredEl = canvasEl;\n      }\n      else {\n        // clear the existing element to get new filter data\n        // also dereference the eventual resized _element\n        this._element = this._filteredEl;\n        this._filteredEl.getContext('2d').clearRect(0, 0, sourceWidth, sourceHeight);\n        // we also need to resize again at next renderAll, so remove saved _lastScaleX/Y\n        this._lastScaleX = 1;\n        this._lastScaleY = 1;\n      }\n      if (!fabric.filterBackend) {\n        fabric.filterBackend = fabric.initFilterBackend();\n      }\n      fabric.filterBackend.applyFilters(\n        filters, this._originalElement, sourceWidth, sourceHeight, this._element, this.cacheKey);\n      if (this._originalElement.width !== this._element.width ||\n        this._originalElement.height !== this._element.height) {\n        this._filterScalingX = this._element.width / this._originalElement.width;\n        this._filterScalingY = this._element.height / this._originalElement.height;\n      }\n      return this;\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _render: function(ctx) {\n      fabric.util.setImageSmoothing(ctx, this.imageSmoothing);\n      if (this.isMoving !== true && this.resizeFilter && this._needsResize()) {\n        this.applyResizeFilters();\n      }\n      this._stroke(ctx);\n      this._renderPaintInOrder(ctx);\n    },\n\n    /**\n     * Paint the cached copy of the object on the target context.\n     * it will set the imageSmoothing for the draw operation\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    drawCacheOnCanvas: function(ctx) {\n      fabric.util.setImageSmoothing(ctx, this.imageSmoothing);\n      fabric.Object.prototype.drawCacheOnCanvas.call(this, ctx);\n    },\n\n    /**\n     * Decide if the object should cache or not. Create its own cache level\n     * needsItsOwnCache should be used when the object drawing method requires\n     * a cache step. None of the fabric classes requires it.\n     * Generally you do not cache objects in groups because the group outside is cached.\n     * This is the special image version where we would like to avoid caching where possible.\n     * Essentially images do not benefit from caching. They may require caching, and in that\n     * case we do it. Also caching an image usually ends in a loss of details.\n     * A full performance audit should be done.\n     * @return {Boolean}\n     */\n    shouldCache: function() {\n      return this.needsItsOwnCache();\n    },\n\n    _renderFill: function(ctx) {\n      var elementToDraw = this._element;\n      if (!elementToDraw) {\n        return;\n      }\n      var scaleX = this._filterScalingX, scaleY = this._filterScalingY,\n          w = this.width, h = this.height, min = Math.min, max = Math.max,\n          // crop values cannot be lesser than 0.\n          cropX = max(this.cropX, 0), cropY = max(this.cropY, 0),\n          elWidth = elementToDraw.naturalWidth || elementToDraw.width,\n          elHeight = elementToDraw.naturalHeight || elementToDraw.height,\n          sX = cropX * scaleX,\n          sY = cropY * scaleY,\n          // the width height cannot exceed element width/height, starting from the crop offset.\n          sW = min(w * scaleX, elWidth - sX),\n          sH = min(h * scaleY, elHeight - sY),\n          x = -w / 2, y = -h / 2,\n          maxDestW = min(w, elWidth / scaleX - cropX),\n          maxDestH = min(h, elHeight / scaleY - cropY);\n\n      elementToDraw && ctx.drawImage(elementToDraw, sX, sY, sW, sH, x, y, maxDestW, maxDestH);\n    },\n\n    /**\n     * needed to check if image needs resize\n     * @private\n     */\n    _needsResize: function() {\n      var scale = this.getTotalObjectScaling();\n      return (scale.scaleX !== this._lastScaleX || scale.scaleY !== this._lastScaleY);\n    },\n\n    /**\n     * @private\n     */\n    _resetWidthHeight: function() {\n      this.set(this.getOriginalSize());\n    },\n\n    /**\n     * The Image class's initialization method. This method is automatically\n     * called by the constructor.\n     * @private\n     * @param {HTMLImageElement|String} element The element representing the image\n     * @param {Object} [options] Options object\n     */\n    _initElement: function(element, options) {\n      this.setElement(fabric.util.getById(element), options);\n      fabric.util.addClass(this.getElement(), fabric.Image.CSS_CANVAS);\n    },\n\n    /**\n     * @private\n     * @param {Object} [options] Options object\n     */\n    _initConfig: function(options) {\n      options || (options = { });\n      this.setOptions(options);\n      this._setWidthHeight(options);\n    },\n\n    /**\n     * @private\n     * @param {Array} filters to be initialized\n     * @param {Function} callback Callback to invoke when all fabric.Image.filters instances are created\n     */\n    _initFilters: function(filters, callback) {\n      if (filters && filters.length) {\n        fabric.util.enlivenObjects(filters, function(enlivenedObjects) {\n          callback && callback(enlivenedObjects);\n        }, 'fabric.Image.filters');\n      }\n      else {\n        callback && callback();\n      }\n    },\n\n    /**\n     * @private\n     * Set the width and the height of the image object, using the element or the\n     * options.\n     * @param {Object} [options] Object with width/height properties\n     */\n    _setWidthHeight: function(options) {\n      options || (options = { });\n      var el = this.getElement();\n      this.width = options.width || el.naturalWidth || el.width || 0;\n      this.height = options.height || el.naturalHeight || el.height || 0;\n    },\n\n    /**\n     * Calculate offset for center and scale factor for the image in order to respect\n     * the preserveAspectRatio attribute\n     * @private\n     * @return {Object}\n     */\n    parsePreserveAspectRatioAttribute: function() {\n      var pAR = fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio || ''),\n          rWidth = this._element.width, rHeight = this._element.height,\n          scaleX = 1, scaleY = 1, offsetLeft = 0, offsetTop = 0, cropX = 0, cropY = 0,\n          offset, pWidth = this.width, pHeight = this.height, parsedAttributes = { width: pWidth, height: pHeight };\n      if (pAR && (pAR.alignX !== 'none' || pAR.alignY !== 'none')) {\n        if (pAR.meetOrSlice === 'meet') {\n          scaleX = scaleY = fabric.util.findScaleToFit(this._element, parsedAttributes);\n          offset = (pWidth - rWidth * scaleX) / 2;\n          if (pAR.alignX === 'Min') {\n            offsetLeft = -offset;\n          }\n          if (pAR.alignX === 'Max') {\n            offsetLeft = offset;\n          }\n          offset = (pHeight - rHeight * scaleY) / 2;\n          if (pAR.alignY === 'Min') {\n            offsetTop = -offset;\n          }\n          if (pAR.alignY === 'Max') {\n            offsetTop = offset;\n          }\n        }\n        if (pAR.meetOrSlice === 'slice') {\n          scaleX = scaleY = fabric.util.findScaleToCover(this._element, parsedAttributes);\n          offset = rWidth - pWidth / scaleX;\n          if (pAR.alignX === 'Mid') {\n            cropX = offset / 2;\n          }\n          if (pAR.alignX === 'Max') {\n            cropX = offset;\n          }\n          offset = rHeight - pHeight / scaleY;\n          if (pAR.alignY === 'Mid') {\n            cropY = offset / 2;\n          }\n          if (pAR.alignY === 'Max') {\n            cropY = offset;\n          }\n          rWidth = pWidth / scaleX;\n          rHeight = pHeight / scaleY;\n        }\n      }\n      else {\n        scaleX = pWidth / rWidth;\n        scaleY = pHeight / rHeight;\n      }\n      return {\n        width: rWidth,\n        height: rHeight,\n        scaleX: scaleX,\n        scaleY: scaleY,\n        offsetLeft: offsetLeft,\n        offsetTop: offsetTop,\n        cropX: cropX,\n        cropY: cropY\n      };\n    }\n  });\n\n  /**\n   * Default CSS class name for canvas\n   * @static\n   * @type String\n   * @default\n   */\n  fabric.Image.CSS_CANVAS = 'canvas-img';\n\n  /**\n   * Alias for getSrc\n   * @static\n   */\n  fabric.Image.prototype.getSvgSrc = fabric.Image.prototype.getSrc;\n\n  /**\n   * Creates an instance of fabric.Image from its object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {Function} callback Callback to invoke when an image instance is created\n   */\n  fabric.Image.fromObject = function(_object, callback) {\n    var object = fabric.util.object.clone(_object);\n    fabric.util.loadImage(object.src, function(img, isError) {\n      if (isError) {\n        callback && callback(null, true);\n        return;\n      }\n      fabric.Image.prototype._initFilters.call(object, object.filters, function(filters) {\n        object.filters = filters || [];\n        fabric.Image.prototype._initFilters.call(object, [object.resizeFilter], function(resizeFilters) {\n          object.resizeFilter = resizeFilters[0];\n          fabric.util.enlivenObjects([object.clipPath], function(enlivedProps) {\n            object.clipPath = enlivedProps[0];\n            var image = new fabric.Image(img, object);\n            callback(image, false);\n          });\n        });\n      });\n    }, null, object.crossOrigin);\n  };\n\n  /**\n   * Creates an instance of fabric.Image from an URL string\n   * @static\n   * @param {String} url URL to create an image from\n   * @param {Function} [callback] Callback to invoke when image is created (newly created image is passed as a first argument). Second argument is a boolean indicating if an error occurred or not.\n   * @param {Object} [imgOptions] Options object\n   */\n  fabric.Image.fromURL = function(url, callback, imgOptions) {\n    fabric.util.loadImage(url, function(img, isError) {\n      callback && callback(new fabric.Image(img, imgOptions), isError);\n    }, null, imgOptions && imgOptions.crossOrigin);\n  };\n\n  /* _FROM_SVG_START_ */\n  /**\n   * List of attribute names to account for when parsing SVG element (used by {@link fabric.Image.fromElement})\n   * @static\n   * @see {@link http://www.w3.org/TR/SVG/struct.html#ImageElement}\n   */\n  fabric.Image.ATTRIBUTE_NAMES =\n    fabric.SHARED_ATTRIBUTES.concat(\n      'x y width height preserveAspectRatio xlink:href crossOrigin image-rendering'.split(' ')\n    );\n\n  /**\n   * Returns {@link fabric.Image} instance from an SVG element\n   * @static\n   * @param {SVGElement} element Element to parse\n   * @param {Object} [options] Options object\n   * @param {Function} callback Callback to execute when fabric.Image object is created\n   * @return {fabric.Image} Instance of fabric.Image\n   */\n  fabric.Image.fromElement = function(element, callback, options) {\n    var parsedAttributes = fabric.parseAttributes(element, fabric.Image.ATTRIBUTE_NAMES);\n    fabric.Image.fromURL(parsedAttributes['xlink:href'], callback,\n      extend((options ? fabric.util.object.clone(options) : { }), parsedAttributes));\n  };\n  /* _FROM_SVG_END_ */\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\nfabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prototype */ {\n\n  /**\n   * @private\n   * @return {Number} angle value\n   */\n  _getAngleValueForStraighten: function() {\n    var angle = this.angle % 360;\n    if (angle > 0) {\n      return Math.round((angle - 1) / 90) * 90;\n    }\n    return Math.round(angle / 90) * 90;\n  },\n\n  /**\n   * Straightens an object (rotating it from current angle to one of 0, 90, 180, 270, etc. depending on which is closer)\n   * @return {fabric.Object} thisArg\n   * @chainable\n   */\n  straighten: function() {\n    this.rotate(this._getAngleValueForStraighten());\n    return this;\n  },\n\n  /**\n   * Same as {@link fabric.Object.prototype.straighten} but with animation\n   * @param {Object} callbacks Object with callback functions\n   * @param {Function} [callbacks.onComplete] Invoked on completion\n   * @param {Function} [callbacks.onChange] Invoked on every step of animation\n   * @return {fabric.Object} thisArg\n   * @chainable\n   */\n  fxStraighten: function(callbacks) {\n    callbacks = callbacks || { };\n\n    var empty = function() { },\n        onComplete = callbacks.onComplete || empty,\n        onChange = callbacks.onChange || empty,\n        _this = this;\n\n    fabric.util.animate({\n      startValue: this.get('angle'),\n      endValue: this._getAngleValueForStraighten(),\n      duration: this.FX_DURATION,\n      onChange: function(value) {\n        _this.rotate(value);\n        onChange();\n      },\n      onComplete: function() {\n        _this.setCoords();\n        onComplete();\n      },\n    });\n\n    return this;\n  }\n});\n\nfabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.StaticCanvas.prototype */ {\n\n  /**\n   * Straightens object, then rerenders canvas\n   * @param {fabric.Object} object Object to straighten\n   * @return {fabric.Canvas} thisArg\n   * @chainable\n   */\n  straightenObject: function (object) {\n    object.straighten();\n    this.requestRenderAll();\n    return this;\n  },\n\n  /**\n   * Same as {@link fabric.Canvas.prototype.straightenObject}, but animated\n   * @param {fabric.Object} object Object to straighten\n   * @return {fabric.Canvas} thisArg\n   * @chainable\n   */\n  fxStraightenObject: function (object) {\n    object.fxStraighten({\n      onChange: this.requestRenderAllBound\n    });\n    return this;\n  }\n});\n\n\n(function() {\n\n  'use strict';\n\n  /**\n   * Tests if webgl supports certain precision\n   * @param {WebGL} Canvas WebGL context to test on\n   * @param {String} Precision to test can be any of following: 'lowp', 'mediump', 'highp'\n   * @returns {Boolean} Whether the user's browser WebGL supports given precision.\n   */\n  function testPrecision(gl, precision){\n    var fragmentSource = 'precision ' + precision + ' float;\\nvoid main(){}';\n    var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);\n    gl.shaderSource(fragmentShader, fragmentSource);\n    gl.compileShader(fragmentShader);\n    if (!gl.getShaderParameter(fragmentShader, gl.COMPILE_STATUS)) {\n      return false;\n    }\n    return true;\n  }\n\n  /**\n   * Indicate whether this filtering backend is supported by the user's browser.\n   * @param {Number} tileSize check if the tileSize is supported\n   * @returns {Boolean} Whether the user's browser supports WebGL.\n   */\n  fabric.isWebglSupported = function(tileSize) {\n    if (fabric.isLikelyNode) {\n      return false;\n    }\n    tileSize = tileSize || fabric.WebglFilterBackend.prototype.tileSize;\n    var canvas = document.createElement('canvas');\n    var gl = canvas.getContext('webgl') || canvas.getContext('experimental-webgl');\n    var isSupported = false;\n    // eslint-disable-next-line\n    if (gl) {\n      fabric.maxTextureSize = gl.getParameter(gl.MAX_TEXTURE_SIZE);\n      isSupported = fabric.maxTextureSize >= tileSize;\n      var precisions = ['highp', 'mediump', 'lowp'];\n      for (var i = 0; i < 3; i++){\n        if (testPrecision(gl, precisions[i])){\n          fabric.webGlPrecision = precisions[i];\n          break;\n        };\n      }\n    }\n    this.isSupported = isSupported;\n    return isSupported;\n  };\n\n  fabric.WebglFilterBackend = WebglFilterBackend;\n\n  /**\n   * WebGL filter backend.\n   */\n  function WebglFilterBackend(options) {\n    if (options && options.tileSize) {\n      this.tileSize = options.tileSize;\n    }\n    this.setupGLContext(this.tileSize, this.tileSize);\n    this.captureGPUInfo();\n  };\n\n  WebglFilterBackend.prototype = /** @lends fabric.WebglFilterBackend.prototype */ {\n\n    tileSize: 2048,\n\n    /**\n     * Experimental. This object is a sort of repository of help layers used to avoid\n     * of recreating them during frequent filtering. If you are previewing a filter with\n     * a slider you probably do not want to create help layers every filter step.\n     * in this object there will be appended some canvases, created once, resized sometimes\n     * cleared never. Clearing is left to the developer.\n     **/\n    resources: {\n\n    },\n\n    /**\n     * Setup a WebGL context suitable for filtering, and bind any needed event handlers.\n     */\n    setupGLContext: function(width, height) {\n      this.dispose();\n      this.createWebGLCanvas(width, height);\n      // eslint-disable-next-line\n      this.aPosition = new Float32Array([0, 0, 0, 1, 1, 0, 1, 1]);\n      this.chooseFastestCopyGLTo2DMethod(width, height);\n    },\n\n    /**\n     * Pick a method to copy data from GL context to 2d canvas.  In some browsers using\n     * putImageData is faster than drawImage for that specific operation.\n     */\n    chooseFastestCopyGLTo2DMethod: function(width, height) {\n      var canMeasurePerf = typeof window.performance !== 'undefined', canUseImageData;\n      try {\n        new ImageData(1, 1);\n        canUseImageData = true;\n      }\n      catch (e) {\n        canUseImageData = false;\n      }\n      // eslint-disable-next-line no-undef\n      var canUseArrayBuffer = typeof ArrayBuffer !== 'undefined';\n      // eslint-disable-next-line no-undef\n      var canUseUint8Clamped = typeof Uint8ClampedArray !== 'undefined';\n\n      if (!(canMeasurePerf && canUseImageData && canUseArrayBuffer && canUseUint8Clamped)) {\n        return;\n      }\n\n      var targetCanvas = fabric.util.createCanvasElement();\n      // eslint-disable-next-line no-undef\n      var imageBuffer = new ArrayBuffer(width * height * 4);\n      if (fabric.forceGLPutImageData) {\n        this.imageBuffer = imageBuffer;\n        this.copyGLTo2D = copyGLTo2DPutImageData;\n        return;\n      }\n      var testContext = {\n        imageBuffer: imageBuffer,\n        destinationWidth: width,\n        destinationHeight: height,\n        targetCanvas: targetCanvas\n      };\n      var startTime, drawImageTime, putImageDataTime;\n      targetCanvas.width = width;\n      targetCanvas.height = height;\n\n      startTime = window.performance.now();\n      copyGLTo2DDrawImage.call(testContext, this.gl, testContext);\n      drawImageTime = window.performance.now() - startTime;\n\n      startTime = window.performance.now();\n      copyGLTo2DPutImageData.call(testContext, this.gl, testContext);\n      putImageDataTime = window.performance.now() - startTime;\n\n      if (drawImageTime > putImageDataTime) {\n        this.imageBuffer = imageBuffer;\n        this.copyGLTo2D = copyGLTo2DPutImageData;\n      }\n      else {\n        this.copyGLTo2D = copyGLTo2DDrawImage;\n      }\n    },\n\n    /**\n     * Create a canvas element and associated WebGL context and attaches them as\n     * class properties to the GLFilterBackend class.\n     */\n    createWebGLCanvas: function(width, height) {\n      var canvas = fabric.util.createCanvasElement();\n      canvas.width = width;\n      canvas.height = height;\n      var glOptions = {\n            alpha: true,\n            premultipliedAlpha: false,\n            depth: false,\n            stencil: false,\n            antialias: false\n          },\n          gl = canvas.getContext('webgl', glOptions);\n      if (!gl) {\n        gl = canvas.getContext('experimental-webgl', glOptions);\n      }\n      if (!gl) {\n        return;\n      }\n      gl.clearColor(0, 0, 0, 0);\n      // this canvas can fire webglcontextlost and webglcontextrestored\n      this.canvas = canvas;\n      this.gl = gl;\n    },\n\n    /**\n     * Attempts to apply the requested filters to the source provided, drawing the filtered output\n     * to the provided target canvas.\n     *\n     * @param {Array} filters The filters to apply.\n     * @param {HTMLImageElement|HTMLCanvasElement} source The source to be filtered.\n     * @param {Number} width The width of the source input.\n     * @param {Number} height The height of the source input.\n     * @param {HTMLCanvasElement} targetCanvas The destination for filtered output to be drawn.\n     * @param {String|undefined} cacheKey A key used to cache resources related to the source. If\n     * omitted, caching will be skipped.\n     */\n    applyFilters: function(filters, source, width, height, targetCanvas, cacheKey) {\n      var gl = this.gl;\n      var cachedTexture;\n      if (cacheKey) {\n        cachedTexture = this.getCachedTexture(cacheKey, source);\n      }\n      var pipelineState = {\n        originalWidth: source.width || source.originalWidth,\n        originalHeight: source.height || source.originalHeight,\n        sourceWidth: width,\n        sourceHeight: height,\n        destinationWidth: width,\n        destinationHeight: height,\n        context: gl,\n        sourceTexture: this.createTexture(gl, width, height, !cachedTexture && source),\n        targetTexture: this.createTexture(gl, width, height),\n        originalTexture: cachedTexture ||\n          this.createTexture(gl, width, height, !cachedTexture && source),\n        passes: filters.length,\n        webgl: true,\n        aPosition: this.aPosition,\n        programCache: this.programCache,\n        pass: 0,\n        filterBackend: this,\n        targetCanvas: targetCanvas\n      };\n      var tempFbo = gl.createFramebuffer();\n      gl.bindFramebuffer(gl.FRAMEBUFFER, tempFbo);\n      filters.forEach(function(filter) { filter && filter.applyTo(pipelineState); });\n      resizeCanvasIfNeeded(pipelineState);\n      this.copyGLTo2D(gl, pipelineState);\n      gl.bindTexture(gl.TEXTURE_2D, null);\n      gl.deleteTexture(pipelineState.sourceTexture);\n      gl.deleteTexture(pipelineState.targetTexture);\n      gl.deleteFramebuffer(tempFbo);\n      targetCanvas.getContext('2d').setTransform(1, 0, 0, 1, 0, 0);\n      return pipelineState;\n    },\n\n    /**\n     * Detach event listeners, remove references, and clean up caches.\n     */\n    dispose: function() {\n      if (this.canvas) {\n        this.canvas = null;\n        this.gl = null;\n      }\n      this.clearWebGLCaches();\n    },\n\n    /**\n     * Wipe out WebGL-related caches.\n     */\n    clearWebGLCaches: function() {\n      this.programCache = {};\n      this.textureCache = {};\n    },\n\n    /**\n     * Create a WebGL texture object.\n     *\n     * Accepts specific dimensions to initialize the texture to or a source image.\n     *\n     * @param {WebGLRenderingContext} gl The GL context to use for creating the texture.\n     * @param {Number} width The width to initialize the texture at.\n     * @param {Number} height The height to initialize the texture.\n     * @param {HTMLImageElement|HTMLCanvasElement} textureImageSource A source for the texture data.\n     * @returns {WebGLTexture}\n     */\n    createTexture: function(gl, width, height, textureImageSource) {\n      var texture = gl.createTexture();\n      gl.bindTexture(gl.TEXTURE_2D, texture);\n      gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);\n      gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);\n      gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);\n      gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);\n      if (textureImageSource) {\n        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, textureImageSource);\n      }\n      else {\n        gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);\n      }\n      return texture;\n    },\n\n    /**\n     * Can be optionally used to get a texture from the cache array\n     *\n     * If an existing texture is not found, a new texture is created and cached.\n     *\n     * @param {String} uniqueId A cache key to use to find an existing texture.\n     * @param {HTMLImageElement|HTMLCanvasElement} textureImageSource A source to use to create the\n     * texture cache entry if one does not already exist.\n     */\n    getCachedTexture: function(uniqueId, textureImageSource) {\n      if (this.textureCache[uniqueId]) {\n        return this.textureCache[uniqueId];\n      }\n      else {\n        var texture = this.createTexture(\n          this.gl, textureImageSource.width, textureImageSource.height, textureImageSource);\n        this.textureCache[uniqueId] = texture;\n        return texture;\n      }\n    },\n\n    /**\n     * Clear out cached resources related to a source image that has been\n     * filtered previously.\n     *\n     * @param {String} cacheKey The cache key provided when the source image was filtered.\n     */\n    evictCachesForKey: function(cacheKey) {\n      if (this.textureCache[cacheKey]) {\n        this.gl.deleteTexture(this.textureCache[cacheKey]);\n        delete this.textureCache[cacheKey];\n      }\n    },\n\n    copyGLTo2D: copyGLTo2DDrawImage,\n\n    /**\n     * Attempt to extract GPU information strings from a WebGL context.\n     *\n     * Useful information when debugging or blacklisting specific GPUs.\n     *\n     * @returns {Object} A GPU info object with renderer and vendor strings.\n     */\n    captureGPUInfo: function() {\n      if (this.gpuInfo) {\n        return this.gpuInfo;\n      }\n      var gl = this.gl, gpuInfo = { renderer: '', vendor: '' };\n      if (!gl) {\n        return gpuInfo;\n      }\n      var ext = gl.getExtension('WEBGL_debug_renderer_info');\n      if (ext) {\n        var renderer = gl.getParameter(ext.UNMASKED_RENDERER_WEBGL);\n        var vendor = gl.getParameter(ext.UNMASKED_VENDOR_WEBGL);\n        if (renderer) {\n          gpuInfo.renderer = renderer.toLowerCase();\n        }\n        if (vendor) {\n          gpuInfo.vendor = vendor.toLowerCase();\n        }\n      }\n      this.gpuInfo = gpuInfo;\n      return gpuInfo;\n    },\n  };\n})();\n\nfunction resizeCanvasIfNeeded(pipelineState) {\n  var targetCanvas = pipelineState.targetCanvas,\n      width = targetCanvas.width, height = targetCanvas.height,\n      dWidth = pipelineState.destinationWidth,\n      dHeight = pipelineState.destinationHeight;\n\n  if (width !== dWidth || height !== dHeight) {\n    targetCanvas.width = dWidth;\n    targetCanvas.height = dHeight;\n  }\n}\n\n/**\n * Copy an input WebGL canvas on to an output 2D canvas.\n *\n * The WebGL canvas is assumed to be upside down, with the top-left pixel of the\n * desired output image appearing in the bottom-left corner of the WebGL canvas.\n *\n * @param {WebGLRenderingContext} sourceContext The WebGL context to copy from.\n * @param {HTMLCanvasElement} targetCanvas The 2D target canvas to copy on to.\n * @param {Object} pipelineState The 2D target canvas to copy on to.\n */\nfunction copyGLTo2DDrawImage(gl, pipelineState) {\n  var glCanvas = gl.canvas, targetCanvas = pipelineState.targetCanvas,\n      ctx = targetCanvas.getContext('2d');\n  ctx.translate(0, targetCanvas.height); // move it down again\n  ctx.scale(1, -1); // vertical flip\n  // where is my image on the big glcanvas?\n  var sourceY = glCanvas.height - targetCanvas.height;\n  ctx.drawImage(glCanvas, 0, sourceY, targetCanvas.width, targetCanvas.height, 0, 0,\n    targetCanvas.width, targetCanvas.height);\n}\n\n/**\n * Copy an input WebGL canvas on to an output 2D canvas using 2d canvas' putImageData\n * API. Measurably faster than using ctx.drawImage in Firefox (version 54 on OSX Sierra).\n *\n * @param {WebGLRenderingContext} sourceContext The WebGL context to copy from.\n * @param {HTMLCanvasElement} targetCanvas The 2D target canvas to copy on to.\n * @param {Object} pipelineState The 2D target canvas to copy on to.\n */\nfunction copyGLTo2DPutImageData(gl, pipelineState) {\n  var targetCanvas = pipelineState.targetCanvas, ctx = targetCanvas.getContext('2d'),\n      dWidth = pipelineState.destinationWidth,\n      dHeight = pipelineState.destinationHeight,\n      numBytes = dWidth * dHeight * 4;\n\n  // eslint-disable-next-line no-undef\n  var u8 = new Uint8Array(this.imageBuffer, 0, numBytes);\n  // eslint-disable-next-line no-undef\n  var u8Clamped = new Uint8ClampedArray(this.imageBuffer, 0, numBytes);\n\n  gl.readPixels(0, 0, dWidth, dHeight, gl.RGBA, gl.UNSIGNED_BYTE, u8);\n  var imgData = new ImageData(u8Clamped, dWidth, dHeight);\n  ctx.putImageData(imgData, 0, 0);\n}\n\n\n(function() {\n\n  'use strict';\n\n  var noop = function() {};\n\n  fabric.Canvas2dFilterBackend = Canvas2dFilterBackend;\n\n  /**\n   * Canvas 2D filter backend.\n   */\n  function Canvas2dFilterBackend() {};\n\n  Canvas2dFilterBackend.prototype = /** @lends fabric.Canvas2dFilterBackend.prototype */ {\n    evictCachesForKey: noop,\n    dispose: noop,\n    clearWebGLCaches: noop,\n\n    /**\n     * Experimental. This object is a sort of repository of help layers used to avoid\n     * of recreating them during frequent filtering. If you are previewing a filter with\n     * a slider you probably do not want to create help layers every filter step.\n     * in this object there will be appended some canvases, created once, resized sometimes\n     * cleared never. Clearing is left to the developer.\n     **/\n    resources: {\n\n    },\n\n    /**\n     * Apply a set of filters against a source image and draw the filtered output\n     * to the provided destination canvas.\n     *\n     * @param {EnhancedFilter} filters The filter to apply.\n     * @param {HTMLImageElement|HTMLCanvasElement} sourceElement The source to be filtered.\n     * @param {Number} sourceWidth The width of the source input.\n     * @param {Number} sourceHeight The height of the source input.\n     * @param {HTMLCanvasElement} targetCanvas The destination for filtered output to be drawn.\n     */\n    applyFilters: function(filters, sourceElement, sourceWidth, sourceHeight, targetCanvas) {\n      var ctx = targetCanvas.getContext('2d');\n      ctx.drawImage(sourceElement, 0, 0, sourceWidth, sourceHeight);\n      var imageData = ctx.getImageData(0, 0, sourceWidth, sourceHeight);\n      var originalImageData = ctx.getImageData(0, 0, sourceWidth, sourceHeight);\n      var pipelineState = {\n        sourceWidth: sourceWidth,\n        sourceHeight: sourceHeight,\n        imageData: imageData,\n        originalEl: sourceElement,\n        originalImageData: originalImageData,\n        canvasEl: targetCanvas,\n        ctx: ctx,\n        filterBackend: this,\n      };\n      filters.forEach(function(filter) { filter.applyTo(pipelineState); });\n      if (pipelineState.imageData.width !== sourceWidth || pipelineState.imageData.height !== sourceHeight) {\n        targetCanvas.width = pipelineState.imageData.width;\n        targetCanvas.height = pipelineState.imageData.height;\n      }\n      ctx.putImageData(pipelineState.imageData, 0, 0);\n      return pipelineState;\n    },\n\n  };\n})();\n\n\n/**\n * @namespace fabric.Image.filters\n * @memberOf fabric.Image\n * @tutorial {@link http://fabricjs.com/fabric-intro-part-2#image_filters}\n * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n */\nfabric.Image = fabric.Image || { };\nfabric.Image.filters = fabric.Image.filters || { };\n\n/**\n * Root filter class from which all filter classes inherit from\n * @class fabric.Image.filters.BaseFilter\n * @memberOf fabric.Image.filters\n */\nfabric.Image.filters.BaseFilter = fabric.util.createClass(/** @lends fabric.Image.filters.BaseFilter.prototype */ {\n\n  /**\n   * Filter type\n   * @param {String} type\n   * @default\n   */\n  type: 'BaseFilter',\n\n  /**\n   * Array of attributes to send with buffers. do not modify\n   * @private\n   */\n\n  vertexSource: 'attribute vec2 aPosition;\\n' +\n    'varying vec2 vTexCoord;\\n' +\n    'void main() {\\n' +\n      'vTexCoord = aPosition;\\n' +\n      'gl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\\n' +\n    '}',\n\n  fragmentSource: 'precision highp float;\\n' +\n    'varying vec2 vTexCoord;\\n' +\n    'uniform sampler2D uTexture;\\n' +\n    'void main() {\\n' +\n      'gl_FragColor = texture2D(uTexture, vTexCoord);\\n' +\n    '}',\n\n  /**\n   * Constructor\n   * @param {Object} [options] Options object\n   */\n  initialize: function(options) {\n    if (options) {\n      this.setOptions(options);\n    }\n  },\n\n  /**\n   * Sets filter's properties from options\n   * @param {Object} [options] Options object\n   */\n  setOptions: function(options) {\n    for (var prop in options) {\n      this[prop] = options[prop];\n    }\n  },\n\n  /**\n   * Compile this filter's shader program.\n   *\n   * @param {WebGLRenderingContext} gl The GL canvas context to use for shader compilation.\n   * @param {String} fragmentSource fragmentShader source for compilation\n   * @param {String} vertexSource vertexShader source for compilation\n   */\n  createProgram: function(gl, fragmentSource, vertexSource) {\n    fragmentSource = fragmentSource || this.fragmentSource;\n    vertexSource = vertexSource || this.vertexSource;\n    if (fabric.webGlPrecision !== 'highp'){\n      fragmentSource = fragmentSource.replace(\n        /precision highp float/g,\n        'precision ' + fabric.webGlPrecision + ' float'\n      );\n    }\n    var vertexShader = gl.createShader(gl.VERTEX_SHADER);\n    gl.shaderSource(vertexShader, vertexSource);\n    gl.compileShader(vertexShader);\n    if (!gl.getShaderParameter(vertexShader, gl.COMPILE_STATUS)) {\n      throw new Error(\n        // eslint-disable-next-line prefer-template\n        'Vertex shader compile error for ' + this.type + ': ' +\n        gl.getShaderInfoLog(vertexShader)\n      );\n    }\n\n    var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);\n    gl.shaderSource(fragmentShader, fragmentSource);\n    gl.compileShader(fragmentShader);\n    if (!gl.getShaderParameter(fragmentShader, gl.COMPILE_STATUS)) {\n      throw new Error(\n        // eslint-disable-next-line prefer-template\n        'Fragment shader compile error for ' + this.type + ': ' +\n        gl.getShaderInfoLog(fragmentShader)\n      );\n    }\n\n    var program = gl.createProgram();\n    gl.attachShader(program, vertexShader);\n    gl.attachShader(program, fragmentShader);\n    gl.linkProgram(program);\n    if (!gl.getProgramParameter(program, gl.LINK_STATUS)) {\n      throw new Error(\n        // eslint-disable-next-line prefer-template\n        'Shader link error for \"${this.type}\" ' +\n        gl.getProgramInfoLog(program)\n      );\n    }\n\n    var attributeLocations = this.getAttributeLocations(gl, program);\n    var uniformLocations = this.getUniformLocations(gl, program) || { };\n    uniformLocations.uStepW = gl.getUniformLocation(program, 'uStepW');\n    uniformLocations.uStepH = gl.getUniformLocation(program, 'uStepH');\n    return {\n      program: program,\n      attributeLocations: attributeLocations,\n      uniformLocations: uniformLocations\n    };\n  },\n\n  /**\n   * Return a map of attribute names to WebGLAttributeLocation objects.\n   *\n   * @param {WebGLRenderingContext} gl The canvas context used to compile the shader program.\n   * @param {WebGLShaderProgram} program The shader program from which to take attribute locations.\n   * @returns {Object} A map of attribute names to attribute locations.\n   */\n  getAttributeLocations: function(gl, program) {\n    return {\n      aPosition: gl.getAttribLocation(program, 'aPosition'),\n    };\n  },\n\n  /**\n   * Return a map of uniform names to WebGLUniformLocation objects.\n   *\n   * Intended to be overridden by subclasses.\n   *\n   * @param {WebGLRenderingContext} gl The canvas context used to compile the shader program.\n   * @param {WebGLShaderProgram} program The shader program from which to take uniform locations.\n   * @returns {Object} A map of uniform names to uniform locations.\n   */\n  getUniformLocations: function (/* gl, program */) {\n    // in case i do not need any special uniform i need to return an empty object\n    return { };\n  },\n\n  /**\n   * Send attribute data from this filter to its shader program on the GPU.\n   *\n   * @param {WebGLRenderingContext} gl The canvas context used to compile the shader program.\n   * @param {Object} attributeLocations A map of shader attribute names to their locations.\n   */\n  sendAttributeData: function(gl, attributeLocations, aPositionData) {\n    var attributeLocation = attributeLocations.aPosition;\n    var buffer = gl.createBuffer();\n    gl.bindBuffer(gl.ARRAY_BUFFER, buffer);\n    gl.enableVertexAttribArray(attributeLocation);\n    gl.vertexAttribPointer(attributeLocation, 2, gl.FLOAT, false, 0, 0);\n    gl.bufferData(gl.ARRAY_BUFFER, aPositionData, gl.STATIC_DRAW);\n  },\n\n  _setupFrameBuffer: function(options) {\n    var gl = options.context, width, height;\n    if (options.passes > 1) {\n      width = options.destinationWidth;\n      height = options.destinationHeight;\n      if (options.sourceWidth !== width || options.sourceHeight !== height) {\n        gl.deleteTexture(options.targetTexture);\n        options.targetTexture = options.filterBackend.createTexture(gl, width, height);\n      }\n      gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D,\n        options.targetTexture, 0);\n    }\n    else {\n      // draw last filter on canvas and not to framebuffer.\n      gl.bindFramebuffer(gl.FRAMEBUFFER, null);\n      gl.finish();\n    }\n  },\n\n  _swapTextures: function(options) {\n    options.passes--;\n    options.pass++;\n    var temp = options.targetTexture;\n    options.targetTexture = options.sourceTexture;\n    options.sourceTexture = temp;\n  },\n\n  /**\n   * Generic isNeutral implementation for one parameter based filters.\n   * Used only in image applyFilters to discard filters that will not have an effect\n   * on the image\n   * Other filters may need their own version ( ColorMatrix, HueRotation, gamma, ComposedFilter )\n   * @param {Object} options\n   **/\n  isNeutralState: function(/* options */) {\n    var main = this.mainParameter,\n        _class = fabric.Image.filters[this.type].prototype;\n    if (main) {\n      if (Array.isArray(_class[main])) {\n        for (var i = _class[main].length; i--;) {\n          if (this[main][i] !== _class[main][i]) {\n            return false;\n          }\n        }\n        return true;\n      }\n      else {\n        return _class[main] === this[main];\n      }\n    }\n    else {\n      return false;\n    }\n  },\n\n  /**\n   * Apply this filter to the input image data provided.\n   *\n   * Determines whether to use WebGL or Canvas2D based on the options.webgl flag.\n   *\n   * @param {Object} options\n   * @param {Number} options.passes The number of filters remaining to be executed\n   * @param {Boolean} options.webgl Whether to use webgl to render the filter.\n   * @param {WebGLTexture} options.sourceTexture The texture setup as the source to be filtered.\n   * @param {WebGLTexture} options.targetTexture The texture where filtered output should be drawn.\n   * @param {WebGLRenderingContext} options.context The GL context used for rendering.\n   * @param {Object} options.programCache A map of compiled shader programs, keyed by filter type.\n   */\n  applyTo: function(options) {\n    if (options.webgl) {\n      this._setupFrameBuffer(options);\n      this.applyToWebGL(options);\n      this._swapTextures(options);\n    }\n    else {\n      this.applyTo2d(options);\n    }\n  },\n\n  /**\n   * Retrieves the cached shader.\n   * @param {Object} options\n   * @param {WebGLRenderingContext} options.context The GL context used for rendering.\n   * @param {Object} options.programCache A map of compiled shader programs, keyed by filter type.\n   */\n  retrieveShader: function(options) {\n    if (!options.programCache.hasOwnProperty(this.type)) {\n      options.programCache[this.type] = this.createProgram(options.context);\n    }\n    return options.programCache[this.type];\n  },\n\n  /**\n   * Apply this filter using webgl.\n   *\n   * @param {Object} options\n   * @param {Number} options.passes The number of filters remaining to be executed\n   * @param {Boolean} options.webgl Whether to use webgl to render the filter.\n   * @param {WebGLTexture} options.originalTexture The texture of the original input image.\n   * @param {WebGLTexture} options.sourceTexture The texture setup as the source to be filtered.\n   * @param {WebGLTexture} options.targetTexture The texture where filtered output should be drawn.\n   * @param {WebGLRenderingContext} options.context The GL context used for rendering.\n   * @param {Object} options.programCache A map of compiled shader programs, keyed by filter type.\n   */\n  applyToWebGL: function(options) {\n    var gl = options.context;\n    var shader = this.retrieveShader(options);\n    if (options.pass === 0 && options.originalTexture) {\n      gl.bindTexture(gl.TEXTURE_2D, options.originalTexture);\n    }\n    else {\n      gl.bindTexture(gl.TEXTURE_2D, options.sourceTexture);\n    }\n    gl.useProgram(shader.program);\n    this.sendAttributeData(gl, shader.attributeLocations, options.aPosition);\n\n    gl.uniform1f(shader.uniformLocations.uStepW, 1 / options.sourceWidth);\n    gl.uniform1f(shader.uniformLocations.uStepH, 1 / options.sourceHeight);\n\n    this.sendUniformData(gl, shader.uniformLocations);\n    gl.viewport(0, 0, options.destinationWidth, options.destinationHeight);\n    gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4);\n  },\n\n  bindAdditionalTexture: function(gl, texture, textureUnit) {\n    gl.activeTexture(textureUnit);\n    gl.bindTexture(gl.TEXTURE_2D, texture);\n    // reset active texture to 0 as usual\n    gl.activeTexture(gl.TEXTURE0);\n  },\n\n  unbindAdditionalTexture: function(gl, textureUnit) {\n    gl.activeTexture(textureUnit);\n    gl.bindTexture(gl.TEXTURE_2D, null);\n    gl.activeTexture(gl.TEXTURE0);\n  },\n\n  getMainParameter: function() {\n    return this[this.mainParameter];\n  },\n\n  setMainParameter: function(value) {\n    this[this.mainParameter] = value;\n  },\n\n  /**\n   * Send uniform data from this filter to its shader program on the GPU.\n   *\n   * Intended to be overridden by subclasses.\n   *\n   * @param {WebGLRenderingContext} gl The canvas context used to compile the shader program.\n   * @param {Object} uniformLocations A map of shader uniform names to their locations.\n   */\n  sendUniformData: function(/* gl, uniformLocations */) {\n    // Intentionally left blank.  Override me in subclasses.\n  },\n\n  /**\n   * If needed by a 2d filter, this functions can create an helper canvas to be used\n   * remember that options.targetCanvas is available for use till end of chain.\n   */\n  createHelpLayer: function(options) {\n    if (!options.helpLayer) {\n      var helpLayer = document.createElement('canvas');\n      helpLayer.width = options.sourceWidth;\n      helpLayer.height = options.sourceHeight;\n      options.helpLayer = helpLayer;\n    }\n  },\n\n  /**\n   * Returns object representation of an instance\n   * @return {Object} Object representation of an instance\n   */\n  toObject: function() {\n    var object = { type: this.type }, mainP = this.mainParameter;\n    if (mainP) {\n      object[mainP] = this[mainP];\n    }\n    return object;\n  },\n\n  /**\n   * Returns a JSON representation of an instance\n   * @return {Object} JSON\n   */\n  toJSON: function() {\n    // delegate, not alias\n    return this.toObject();\n  }\n});\n\nfabric.Image.filters.BaseFilter.fromObject = function(object, callback) {\n  var filter = new fabric.Image.filters[object.type](object);\n  callback && callback(filter);\n  return filter;\n};\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Color Matrix filter class\n   * @class fabric.Image.filters.ColorMatrix\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link fabric.Image.filters.ColorMatrix#initialize} for constructor definition\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @see {@Link http://www.webwasp.co.uk/tutorials/219/Color_Matrix_Filter.php}\n   * @see {@Link http://phoboslab.org/log/2013/11/fast-image-filters-with-webgl}\n   * @example <caption>Kodachrome filter</caption>\n   * var filter = new fabric.Image.filters.ColorMatrix({\n   *  matrix: [\n       1.1285582396593525, -0.3967382283601348, -0.03992559172921793, 0, 63.72958762196502,\n       -0.16404339962244616, 1.0835251566291304, -0.05498805115633132, 0, 24.732407896706203,\n       -0.16786010706155763, -0.5603416277695248, 1.6014850761964943, 0, 35.62982807460946,\n       0, 0, 0, 1, 0\n      ]\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   */\n  filters.ColorMatrix = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.ColorMatrix.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'ColorMatrix',\n\n    fragmentSource: 'precision highp float;\\n' +\n      'uniform sampler2D uTexture;\\n' +\n      'varying vec2 vTexCoord;\\n' +\n      'uniform mat4 uColorMatrix;\\n' +\n      'uniform vec4 uConstants;\\n' +\n      'void main() {\\n' +\n        'vec4 color = texture2D(uTexture, vTexCoord);\\n' +\n        'color *= uColorMatrix;\\n' +\n        'color += uConstants;\\n' +\n        'gl_FragColor = color;\\n' +\n      '}',\n\n    /**\n     * Colormatrix for pixels.\n     * array of 20 floats. Numbers in positions 4, 9, 14, 19 loose meaning\n     * outside the -1, 1 range.\n     * 0.0039215686 is the part of 1 that get translated to 1 in 2d\n     * @param {Array} matrix array of 20 numbers.\n     * @default\n     */\n    matrix: [\n      1, 0, 0, 0, 0,\n      0, 1, 0, 0, 0,\n      0, 0, 1, 0, 0,\n      0, 0, 0, 1, 0\n    ],\n\n    mainParameter: 'matrix',\n\n    /**\n     * Lock the colormatrix on the color part, skipping alpha, manly for non webgl scenario\n     * to save some calculation\n     */\n    colorsOnly: true,\n\n    /**\n     * Constructor\n     * @param {Object} [options] Options object\n     */\n    initialize: function(options) {\n      this.callSuper('initialize', options);\n      // create a new array instead mutating the prototype with push\n      this.matrix = this.matrix.slice(0);\n    },\n\n    /**\n     * Apply the ColorMatrix operation to a Uint8Array representing the pixels of an image.\n     *\n     * @param {Object} options\n     * @param {ImageData} options.imageData The Uint8Array to be filtered.\n     */\n    applyTo2d: function(options) {\n      var imageData = options.imageData,\n          data = imageData.data,\n          iLen = data.length,\n          m = this.matrix,\n          r, g, b, a, i, colorsOnly = this.colorsOnly;\n\n      for (i = 0; i < iLen; i += 4) {\n        r = data[i];\n        g = data[i + 1];\n        b = data[i + 2];\n        if (colorsOnly) {\n          data[i] = r * m[0] + g * m[1] + b * m[2] + m[4] * 255;\n          data[i + 1] = r * m[5] + g * m[6] + b * m[7] + m[9] * 255;\n          data[i + 2] = r * m[10] + g * m[11] + b * m[12] + m[14] * 255;\n        }\n        else {\n          a = data[i + 3];\n          data[i] = r * m[0] + g * m[1] + b * m[2] + a * m[3] + m[4] * 255;\n          data[i + 1] = r * m[5] + g * m[6] + b * m[7] + a * m[8] + m[9] * 255;\n          data[i + 2] = r * m[10] + g * m[11] + b * m[12] + a * m[13] + m[14] * 255;\n          data[i + 3] = r * m[15] + g * m[16] + b * m[17] + a * m[18] + m[19] * 255;\n        }\n      }\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uColorMatrix: gl.getUniformLocation(program, 'uColorMatrix'),\n        uConstants: gl.getUniformLocation(program, 'uConstants'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      var m = this.matrix,\n          matrix = [\n            m[0], m[1], m[2], m[3],\n            m[5], m[6], m[7], m[8],\n            m[10], m[11], m[12], m[13],\n            m[15], m[16], m[17], m[18]\n          ],\n          constants = [m[4], m[9], m[14], m[19]];\n      gl.uniformMatrix4fv(uniformLocations.uColorMatrix, false, matrix);\n      gl.uniform4fv(uniformLocations.uConstants, constants);\n    },\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] function to invoke after filter creation\n   * @return {fabric.Image.filters.ColorMatrix} Instance of fabric.Image.filters.ColorMatrix\n   */\n  fabric.Image.filters.ColorMatrix.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Brightness filter class\n   * @class fabric.Image.filters.Brightness\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link fabric.Image.filters.Brightness#initialize} for constructor definition\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example\n   * var filter = new fabric.Image.filters.Brightness({\n   *   brightness: 0.05\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   */\n  filters.Brightness = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Brightness.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'Brightness',\n\n    /**\n     * Fragment source for the brightness program\n     */\n    fragmentSource: 'precision highp float;\\n' +\n      'uniform sampler2D uTexture;\\n' +\n      'uniform float uBrightness;\\n' +\n      'varying vec2 vTexCoord;\\n' +\n      'void main() {\\n' +\n        'vec4 color = texture2D(uTexture, vTexCoord);\\n' +\n        'color.rgb += uBrightness;\\n' +\n        'gl_FragColor = color;\\n' +\n      '}',\n\n    /**\n     * Brightness value, from -1 to 1.\n     * translated to -255 to 255 for 2d\n     * 0.0039215686 is the part of 1 that get translated to 1 in 2d\n     * @param {Number} brightness\n     * @default\n     */\n    brightness: 0,\n\n    /**\n     * Describe the property that is the filter parameter\n     * @param {String} m\n     * @default\n     */\n    mainParameter: 'brightness',\n\n    /**\n    * Apply the Brightness operation to a Uint8ClampedArray representing the pixels of an image.\n    *\n    * @param {Object} options\n    * @param {ImageData} options.imageData The Uint8ClampedArray to be filtered.\n    */\n    applyTo2d: function(options) {\n      if (this.brightness === 0) {\n        return;\n      }\n      var imageData = options.imageData,\n          data = imageData.data, i, len = data.length,\n          brightness = Math.round(this.brightness * 255);\n      for (i = 0; i < len; i += 4) {\n        data[i] = data[i] + brightness;\n        data[i + 1] = data[i + 1] + brightness;\n        data[i + 2] = data[i + 2] + brightness;\n      }\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uBrightness: gl.getUniformLocation(program, 'uBrightness'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      gl.uniform1f(uniformLocations.uBrightness, this.brightness);\n    },\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.Brightness} Instance of fabric.Image.filters.Brightness\n   */\n  fabric.Image.filters.Brightness.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      extend = fabric.util.object.extend,\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Adapted from <a href=\"http://www.html5rocks.com/en/tutorials/canvas/imagefilters/\">html5rocks article</a>\n   * @class fabric.Image.filters.Convolute\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link fabric.Image.filters.Convolute#initialize} for constructor definition\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example <caption>Sharpen filter</caption>\n   * var filter = new fabric.Image.filters.Convolute({\n   *   matrix: [ 0, -1,  0,\n   *            -1,  5, -1,\n   *             0, -1,  0 ]\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   * canvas.renderAll();\n   * @example <caption>Blur filter</caption>\n   * var filter = new fabric.Image.filters.Convolute({\n   *   matrix: [ 1/9, 1/9, 1/9,\n   *             1/9, 1/9, 1/9,\n   *             1/9, 1/9, 1/9 ]\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   * canvas.renderAll();\n   * @example <caption>Emboss filter</caption>\n   * var filter = new fabric.Image.filters.Convolute({\n   *   matrix: [ 1,   1,  1,\n   *             1, 0.7, -1,\n   *            -1,  -1, -1 ]\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   * canvas.renderAll();\n   * @example <caption>Emboss filter with opaqueness</caption>\n   * var filter = new fabric.Image.filters.Convolute({\n   *   opaque: true,\n   *   matrix: [ 1,   1,  1,\n   *             1, 0.7, -1,\n   *            -1,  -1, -1 ]\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   * canvas.renderAll();\n   */\n  filters.Convolute = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Convolute.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'Convolute',\n\n    /*\n     * Opaque value (true/false)\n     */\n    opaque: false,\n\n    /*\n     * matrix for the filter, max 9x9\n     */\n    matrix: [0, 0, 0, 0, 1, 0, 0, 0, 0],\n\n    /**\n     * Fragment source for the brightness program\n     */\n    fragmentSource: {\n      Convolute_3_1: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform float uMatrix[9];\\n' +\n        'uniform float uStepW;\\n' +\n        'uniform float uStepH;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'void main() {\\n' +\n          'vec4 color = vec4(0, 0, 0, 0);\\n' +\n          'for (float h = 0.0; h < 3.0; h+=1.0) {\\n' +\n            'for (float w = 0.0; w < 3.0; w+=1.0) {\\n' +\n              'vec2 matrixPos = vec2(uStepW * (w - 1), uStepH * (h - 1));\\n' +\n              'color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 3.0 + w)];\\n' +\n            '}\\n' +\n          '}\\n' +\n          'gl_FragColor = color;\\n' +\n        '}',\n      Convolute_3_0: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform float uMatrix[9];\\n' +\n        'uniform float uStepW;\\n' +\n        'uniform float uStepH;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'void main() {\\n' +\n          'vec4 color = vec4(0, 0, 0, 1);\\n' +\n          'for (float h = 0.0; h < 3.0; h+=1.0) {\\n' +\n            'for (float w = 0.0; w < 3.0; w+=1.0) {\\n' +\n              'vec2 matrixPos = vec2(uStepW * (w - 1.0), uStepH * (h - 1.0));\\n' +\n              'color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 3.0 + w)];\\n' +\n            '}\\n' +\n          '}\\n' +\n          'float alpha = texture2D(uTexture, vTexCoord).a;\\n' +\n          'gl_FragColor = color;\\n' +\n          'gl_FragColor.a = alpha;\\n' +\n        '}',\n      Convolute_5_1: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform float uMatrix[25];\\n' +\n        'uniform float uStepW;\\n' +\n        'uniform float uStepH;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'void main() {\\n' +\n          'vec4 color = vec4(0, 0, 0, 0);\\n' +\n          'for (float h = 0.0; h < 5.0; h+=1.0) {\\n' +\n            'for (float w = 0.0; w < 5.0; w+=1.0) {\\n' +\n              'vec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\\n' +\n              'color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 5.0 + w)];\\n' +\n            '}\\n' +\n          '}\\n' +\n          'gl_FragColor = color;\\n' +\n        '}',\n      Convolute_5_0: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform float uMatrix[25];\\n' +\n        'uniform float uStepW;\\n' +\n        'uniform float uStepH;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'void main() {\\n' +\n          'vec4 color = vec4(0, 0, 0, 1);\\n' +\n          'for (float h = 0.0; h < 5.0; h+=1.0) {\\n' +\n            'for (float w = 0.0; w < 5.0; w+=1.0) {\\n' +\n              'vec2 matrixPos = vec2(uStepW * (w - 2.0), uStepH * (h - 2.0));\\n' +\n              'color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 5.0 + w)];\\n' +\n            '}\\n' +\n          '}\\n' +\n          'float alpha = texture2D(uTexture, vTexCoord).a;\\n' +\n          'gl_FragColor = color;\\n' +\n          'gl_FragColor.a = alpha;\\n' +\n        '}',\n      Convolute_7_1: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform float uMatrix[49];\\n' +\n        'uniform float uStepW;\\n' +\n        'uniform float uStepH;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'void main() {\\n' +\n          'vec4 color = vec4(0, 0, 0, 0);\\n' +\n          'for (float h = 0.0; h < 7.0; h+=1.0) {\\n' +\n            'for (float w = 0.0; w < 7.0; w+=1.0) {\\n' +\n              'vec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\\n' +\n              'color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 7.0 + w)];\\n' +\n            '}\\n' +\n          '}\\n' +\n          'gl_FragColor = color;\\n' +\n        '}',\n      Convolute_7_0: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform float uMatrix[49];\\n' +\n        'uniform float uStepW;\\n' +\n        'uniform float uStepH;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'void main() {\\n' +\n          'vec4 color = vec4(0, 0, 0, 1);\\n' +\n          'for (float h = 0.0; h < 7.0; h+=1.0) {\\n' +\n            'for (float w = 0.0; w < 7.0; w+=1.0) {\\n' +\n              'vec2 matrixPos = vec2(uStepW * (w - 3.0), uStepH * (h - 3.0));\\n' +\n              'color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 7.0 + w)];\\n' +\n            '}\\n' +\n          '}\\n' +\n          'float alpha = texture2D(uTexture, vTexCoord).a;\\n' +\n          'gl_FragColor = color;\\n' +\n          'gl_FragColor.a = alpha;\\n' +\n        '}',\n      Convolute_9_1: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform float uMatrix[81];\\n' +\n        'uniform float uStepW;\\n' +\n        'uniform float uStepH;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'void main() {\\n' +\n          'vec4 color = vec4(0, 0, 0, 0);\\n' +\n          'for (float h = 0.0; h < 9.0; h+=1.0) {\\n' +\n            'for (float w = 0.0; w < 9.0; w+=1.0) {\\n' +\n              'vec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\\n' +\n              'color += texture2D(uTexture, vTexCoord + matrixPos) * uMatrix[int(h * 9.0 + w)];\\n' +\n            '}\\n' +\n          '}\\n' +\n          'gl_FragColor = color;\\n' +\n        '}',\n      Convolute_9_0: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform float uMatrix[81];\\n' +\n        'uniform float uStepW;\\n' +\n        'uniform float uStepH;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'void main() {\\n' +\n          'vec4 color = vec4(0, 0, 0, 1);\\n' +\n          'for (float h = 0.0; h < 9.0; h+=1.0) {\\n' +\n            'for (float w = 0.0; w < 9.0; w+=1.0) {\\n' +\n              'vec2 matrixPos = vec2(uStepW * (w - 4.0), uStepH * (h - 4.0));\\n' +\n              'color.rgb += texture2D(uTexture, vTexCoord + matrixPos).rgb * uMatrix[int(h * 9.0 + w)];\\n' +\n            '}\\n' +\n          '}\\n' +\n          'float alpha = texture2D(uTexture, vTexCoord).a;\\n' +\n          'gl_FragColor = color;\\n' +\n          'gl_FragColor.a = alpha;\\n' +\n        '}',\n    },\n\n    /**\n     * Constructor\n     * @memberOf fabric.Image.filters.Convolute.prototype\n     * @param {Object} [options] Options object\n     * @param {Boolean} [options.opaque=false] Opaque value (true/false)\n     * @param {Array} [options.matrix] Filter matrix\n     */\n\n\n    /**\n    * Retrieves the cached shader.\n    * @param {Object} options\n    * @param {WebGLRenderingContext} options.context The GL context used for rendering.\n    * @param {Object} options.programCache A map of compiled shader programs, keyed by filter type.\n    */\n    retrieveShader: function(options) {\n      var size = Math.sqrt(this.matrix.length);\n      var cacheKey = this.type + '_' + size + '_' + (this.opaque ? 1 : 0);\n      var shaderSource = this.fragmentSource[cacheKey];\n      if (!options.programCache.hasOwnProperty(cacheKey)) {\n        options.programCache[cacheKey] = this.createProgram(options.context, shaderSource);\n      }\n      return options.programCache[cacheKey];\n    },\n\n    /**\n     * Apply the Brightness operation to a Uint8ClampedArray representing the pixels of an image.\n     *\n     * @param {Object} options\n     * @param {ImageData} options.imageData The Uint8ClampedArray to be filtered.\n     */\n    applyTo2d: function(options) {\n      var imageData = options.imageData,\n          data = imageData.data,\n          weights = this.matrix,\n          side = Math.round(Math.sqrt(weights.length)),\n          halfSide = Math.floor(side / 2),\n          sw = imageData.width,\n          sh = imageData.height,\n          output = options.ctx.createImageData(sw, sh),\n          dst = output.data,\n          // go through the destination image pixels\n          alphaFac = this.opaque ? 1 : 0,\n          r, g, b, a, dstOff,\n          scx, scy, srcOff, wt,\n          x, y, cx, cy;\n\n      for (y = 0; y < sh; y++) {\n        for (x = 0; x < sw; x++) {\n          dstOff = (y * sw + x) * 4;\n          // calculate the weighed sum of the source image pixels that\n          // fall under the convolution matrix\n          r = 0; g = 0; b = 0; a = 0;\n\n          for (cy = 0; cy < side; cy++) {\n            for (cx = 0; cx < side; cx++) {\n              scy = y + cy - halfSide;\n              scx = x + cx - halfSide;\n\n              // eslint-disable-next-line max-depth\n              if (scy < 0 || scy >= sh || scx < 0 || scx >= sw) {\n                continue;\n              }\n\n              srcOff = (scy * sw + scx) * 4;\n              wt = weights[cy * side + cx];\n\n              r += data[srcOff] * wt;\n              g += data[srcOff + 1] * wt;\n              b += data[srcOff + 2] * wt;\n              // eslint-disable-next-line max-depth\n              if (!alphaFac) {\n                a += data[srcOff + 3] * wt;\n              }\n            }\n          }\n          dst[dstOff] = r;\n          dst[dstOff + 1] = g;\n          dst[dstOff + 2] = b;\n          if (!alphaFac) {\n            dst[dstOff + 3] = a;\n          }\n          else {\n            dst[dstOff + 3] = data[dstOff + 3];\n          }\n        }\n      }\n      options.imageData = output;\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uMatrix: gl.getUniformLocation(program, 'uMatrix'),\n        uOpaque: gl.getUniformLocation(program, 'uOpaque'),\n        uHalfSize: gl.getUniformLocation(program, 'uHalfSize'),\n        uSize: gl.getUniformLocation(program, 'uSize'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      gl.uniform1fv(uniformLocations.uMatrix, this.matrix);\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @return {Object} Object representation of an instance\n     */\n    toObject: function() {\n      return extend(this.callSuper('toObject'), {\n        opaque: this.opaque,\n        matrix: this.matrix\n      });\n    }\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.Convolute} Instance of fabric.Image.filters.Convolute\n   */\n  fabric.Image.filters.Convolute.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Grayscale image filter class\n   * @class fabric.Image.filters.Grayscale\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example\n   * var filter = new fabric.Image.filters.Grayscale();\n   * object.filters.push(filter);\n   * object.applyFilters();\n   */\n  filters.Grayscale = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Grayscale.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'Grayscale',\n\n    fragmentSource: {\n      average: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'void main() {\\n' +\n          'vec4 color = texture2D(uTexture, vTexCoord);\\n' +\n          'float average = (color.r + color.b + color.g) / 3.0;\\n' +\n          'gl_FragColor = vec4(average, average, average, color.a);\\n' +\n        '}',\n      lightness: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform int uMode;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'void main() {\\n' +\n          'vec4 col = texture2D(uTexture, vTexCoord);\\n' +\n          'float average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\\n' +\n          'gl_FragColor = vec4(average, average, average, col.a);\\n' +\n        '}',\n      luminosity: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform int uMode;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'void main() {\\n' +\n          'vec4 col = texture2D(uTexture, vTexCoord);\\n' +\n          'float average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\\n' +\n          'gl_FragColor = vec4(average, average, average, col.a);\\n' +\n        '}',\n    },\n\n\n    /**\n     * Grayscale mode, between 'average', 'lightness', 'luminosity'\n     * @param {String} type\n     * @default\n     */\n    mode: 'average',\n\n    mainParameter: 'mode',\n\n    /**\n     * Apply the Grayscale operation to a Uint8Array representing the pixels of an image.\n     *\n     * @param {Object} options\n     * @param {ImageData} options.imageData The Uint8Array to be filtered.\n     */\n    applyTo2d: function(options) {\n      var imageData = options.imageData,\n          data = imageData.data, i,\n          len = data.length, value,\n          mode = this.mode;\n      for (i = 0; i < len; i += 4) {\n        if (mode === 'average') {\n          value = (data[i] + data[i + 1] + data[i + 2]) / 3;\n        }\n        else if (mode === 'lightness') {\n          value = (Math.min(data[i], data[i + 1], data[i + 2]) +\n            Math.max(data[i], data[i + 1], data[i + 2])) / 2;\n        }\n        else if (mode === 'luminosity') {\n          value = 0.21 * data[i] + 0.72 * data[i + 1] + 0.07 * data[i + 2];\n        }\n        data[i] = value;\n        data[i + 1] = value;\n        data[i + 2] = value;\n      }\n    },\n\n    /**\n     * Retrieves the cached shader.\n     * @param {Object} options\n     * @param {WebGLRenderingContext} options.context The GL context used for rendering.\n     * @param {Object} options.programCache A map of compiled shader programs, keyed by filter type.\n     */\n    retrieveShader: function(options) {\n      var cacheKey = this.type + '_' + this.mode;\n      if (!options.programCache.hasOwnProperty(cacheKey)) {\n        var shaderSource = this.fragmentSource[this.mode];\n        options.programCache[cacheKey] = this.createProgram(options.context, shaderSource);\n      }\n      return options.programCache[cacheKey];\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uMode: gl.getUniformLocation(program, 'uMode'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      // default average mode.\n      var mode = 1;\n      gl.uniform1i(uniformLocations.uMode, mode);\n    },\n\n    /**\n     * Grayscale filter isNeutralState implementation\n     * The filter is never neutral\n     * on the image\n     **/\n    isNeutralState: function() {\n      return false;\n    },\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.Grayscale} Instance of fabric.Image.filters.Grayscale\n   */\n  fabric.Image.filters.Grayscale.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Invert filter class\n   * @class fabric.Image.filters.Invert\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example\n   * var filter = new fabric.Image.filters.Invert();\n   * object.filters.push(filter);\n   * object.applyFilters(canvas.renderAll.bind(canvas));\n   */\n  filters.Invert = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Invert.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'Invert',\n\n    fragmentSource: 'precision highp float;\\n' +\n      'uniform sampler2D uTexture;\\n' +\n      'uniform int uInvert;\\n' +\n      'varying vec2 vTexCoord;\\n' +\n      'void main() {\\n' +\n        'vec4 color = texture2D(uTexture, vTexCoord);\\n' +\n        'if (uInvert == 1) {\\n' +\n          'gl_FragColor = vec4(1.0 - color.r,1.0 -color.g,1.0 -color.b,color.a);\\n' +\n        '} else {\\n' +\n          'gl_FragColor = color;\\n' +\n        '}\\n' +\n      '}',\n\n    /**\n     * Filter invert. if false, does nothing\n     * @param {Boolean} invert\n     * @default\n     */\n    invert: true,\n\n    mainParameter: 'invert',\n\n    /**\n     * Apply the Invert operation to a Uint8Array representing the pixels of an image.\n     *\n     * @param {Object} options\n     * @param {ImageData} options.imageData The Uint8Array to be filtered.\n     */\n    applyTo2d: function(options) {\n      var imageData = options.imageData,\n          data = imageData.data, i,\n          len = data.length;\n      for (i = 0; i < len; i += 4) {\n        data[i] = 255 - data[i];\n        data[i + 1] = 255 - data[i + 1];\n        data[i + 2] = 255 - data[i + 2];\n      }\n    },\n\n    /**\n     * Invert filter isNeutralState implementation\n     * Used only in image applyFilters to discard filters that will not have an effect\n     * on the image\n     * @param {Object} options\n     **/\n    isNeutralState: function() {\n      return !this.invert;\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uInvert: gl.getUniformLocation(program, 'uInvert'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      gl.uniform1i(uniformLocations.uInvert, this.invert);\n    },\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.Invert} Instance of fabric.Image.filters.Invert\n   */\n  fabric.Image.filters.Invert.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      extend = fabric.util.object.extend,\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Noise filter class\n   * @class fabric.Image.filters.Noise\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link fabric.Image.filters.Noise#initialize} for constructor definition\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example\n   * var filter = new fabric.Image.filters.Noise({\n   *   noise: 700\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   * canvas.renderAll();\n   */\n  filters.Noise = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Noise.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'Noise',\n\n    /**\n     * Fragment source for the noise program\n     */\n    fragmentSource: 'precision highp float;\\n' +\n      'uniform sampler2D uTexture;\\n' +\n      'uniform float uStepH;\\n' +\n      'uniform float uNoise;\\n' +\n      'uniform float uSeed;\\n' +\n      'varying vec2 vTexCoord;\\n' +\n      'float rand(vec2 co, float seed, float vScale) {\\n' +\n        'return fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\\n' +\n      '}\\n' +\n      'void main() {\\n' +\n        'vec4 color = texture2D(uTexture, vTexCoord);\\n' +\n        'color.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\\n' +\n        'gl_FragColor = color;\\n' +\n      '}',\n\n    /**\n     * Describe the property that is the filter parameter\n     * @param {String} m\n     * @default\n     */\n    mainParameter: 'noise',\n\n    /**\n     * Noise value, from\n     * @param {Number} noise\n     * @default\n     */\n    noise: 0,\n\n    /**\n     * Apply the Brightness operation to a Uint8ClampedArray representing the pixels of an image.\n     *\n     * @param {Object} options\n     * @param {ImageData} options.imageData The Uint8ClampedArray to be filtered.\n     */\n    applyTo2d: function(options) {\n      if (this.noise === 0) {\n        return;\n      }\n      var imageData = options.imageData,\n          data = imageData.data, i, len = data.length,\n          noise = this.noise, rand;\n\n      for (i = 0, len = data.length; i < len; i += 4) {\n\n        rand = (0.5 - Math.random()) * noise;\n\n        data[i] += rand;\n        data[i + 1] += rand;\n        data[i + 2] += rand;\n      }\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uNoise: gl.getUniformLocation(program, 'uNoise'),\n        uSeed: gl.getUniformLocation(program, 'uSeed'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      gl.uniform1f(uniformLocations.uNoise, this.noise / 255);\n      gl.uniform1f(uniformLocations.uSeed, Math.random());\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @return {Object} Object representation of an instance\n     */\n    toObject: function() {\n      return extend(this.callSuper('toObject'), {\n        noise: this.noise\n      });\n    }\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {Function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.Noise} Instance of fabric.Image.filters.Noise\n   */\n  fabric.Image.filters.Noise.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Pixelate filter class\n   * @class fabric.Image.filters.Pixelate\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link fabric.Image.filters.Pixelate#initialize} for constructor definition\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example\n   * var filter = new fabric.Image.filters.Pixelate({\n   *   blocksize: 8\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   */\n  filters.Pixelate = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Pixelate.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'Pixelate',\n\n    blocksize: 4,\n\n    mainParameter: 'blocksize',\n\n    /**\n     * Fragment source for the Pixelate program\n     */\n    fragmentSource: 'precision highp float;\\n' +\n      'uniform sampler2D uTexture;\\n' +\n      'uniform float uBlocksize;\\n' +\n      'uniform float uStepW;\\n' +\n      'uniform float uStepH;\\n' +\n      'varying vec2 vTexCoord;\\n' +\n      'void main() {\\n' +\n        'float blockW = uBlocksize * uStepW;\\n' +\n        'float blockH = uBlocksize * uStepW;\\n' +\n        'int posX = int(vTexCoord.x / blockW);\\n' +\n        'int posY = int(vTexCoord.y / blockH);\\n' +\n        'float fposX = float(posX);\\n' +\n        'float fposY = float(posY);\\n' +\n        'vec2 squareCoords = vec2(fposX * blockW, fposY * blockH);\\n' +\n        'vec4 color = texture2D(uTexture, squareCoords);\\n' +\n        'gl_FragColor = color;\\n' +\n      '}',\n\n    /**\n     * Apply the Pixelate operation to a Uint8ClampedArray representing the pixels of an image.\n     *\n     * @param {Object} options\n     * @param {ImageData} options.imageData The Uint8ClampedArray to be filtered.\n     */\n    applyTo2d: function(options) {\n      var imageData = options.imageData,\n          data = imageData.data,\n          iLen = imageData.height,\n          jLen = imageData.width,\n          index, i, j, r, g, b, a,\n          _i, _j, _iLen, _jLen;\n\n      for (i = 0; i < iLen; i += this.blocksize) {\n        for (j = 0; j < jLen; j += this.blocksize) {\n\n          index = (i * 4) * jLen + (j * 4);\n\n          r = data[index];\n          g = data[index + 1];\n          b = data[index + 2];\n          a = data[index + 3];\n\n          _iLen = Math.min(i + this.blocksize, iLen);\n          _jLen = Math.min(j + this.blocksize, jLen);\n          for (_i = i; _i < _iLen; _i++) {\n            for (_j = j; _j < _jLen; _j++) {\n              index = (_i * 4) * jLen + (_j * 4);\n              data[index] = r;\n              data[index + 1] = g;\n              data[index + 2] = b;\n              data[index + 3] = a;\n            }\n          }\n        }\n      }\n    },\n\n    /**\n     * Indicate when the filter is not gonna apply changes to the image\n     **/\n    isNeutralState: function() {\n      return this.blocksize === 1;\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uBlocksize: gl.getUniformLocation(program, 'uBlocksize'),\n        uStepW: gl.getUniformLocation(program, 'uStepW'),\n        uStepH: gl.getUniformLocation(program, 'uStepH'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      gl.uniform1f(uniformLocations.uBlocksize, this.blocksize);\n    },\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {Function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.Pixelate} Instance of fabric.Image.filters.Pixelate\n   */\n  fabric.Image.filters.Pixelate.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      extend = fabric.util.object.extend,\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Remove white filter class\n   * @class fabric.Image.filters.RemoveColor\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link fabric.Image.filters.RemoveColor#initialize} for constructor definition\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example\n   * var filter = new fabric.Image.filters.RemoveColor({\n   *   threshold: 0.2,\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   * canvas.renderAll();\n   */\n  filters.RemoveColor = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.RemoveColor.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'RemoveColor',\n\n    /**\n     * Color to remove, in any format understood by fabric.Color.\n     * @param {String} type\n     * @default\n     */\n    color: '#FFFFFF',\n\n    /**\n     * Fragment source for the brightness program\n     */\n    fragmentSource: 'precision highp float;\\n' +\n      'uniform sampler2D uTexture;\\n' +\n      'uniform vec4 uLow;\\n' +\n      'uniform vec4 uHigh;\\n' +\n      'varying vec2 vTexCoord;\\n' +\n      'void main() {\\n' +\n        'gl_FragColor = texture2D(uTexture, vTexCoord);\\n' +\n        'if(all(greaterThan(gl_FragColor.rgb,uLow.rgb)) && all(greaterThan(uHigh.rgb,gl_FragColor.rgb))) {\\n' +\n          'gl_FragColor.a = 0.0;\\n' +\n        '}\\n' +\n      '}',\n\n    /**\n     * distance to actual color, as value up or down from each r,g,b\n     * between 0 and 1\n     **/\n    distance: 0.02,\n\n    /**\n     * For color to remove inside distance, use alpha channel for a smoother deletion\n     * NOT IMPLEMENTED YET\n     **/\n    useAlpha: false,\n\n    /**\n     * Constructor\n     * @memberOf fabric.Image.filters.RemoveWhite.prototype\n     * @param {Object} [options] Options object\n     * @param {Number} [options.color=#RRGGBB] Threshold value\n     * @param {Number} [options.distance=10] Distance value\n     */\n\n    /**\n     * Applies filter to canvas element\n     * @param {Object} canvasEl Canvas element to apply filter to\n     */\n    applyTo2d: function(options) {\n      var imageData = options.imageData,\n          data = imageData.data, i,\n          distance = this.distance * 255,\n          r, g, b,\n          source = new fabric.Color(this.color).getSource(),\n          lowC = [\n            source[0] - distance,\n            source[1] - distance,\n            source[2] - distance,\n          ],\n          highC = [\n            source[0] + distance,\n            source[1] + distance,\n            source[2] + distance,\n          ];\n\n\n      for (i = 0; i < data.length; i += 4) {\n        r = data[i];\n        g = data[i + 1];\n        b = data[i + 2];\n\n        if (r > lowC[0] &&\n            g > lowC[1] &&\n            b > lowC[2] &&\n            r < highC[0] &&\n            g < highC[1] &&\n            b < highC[2]) {\n          data[i + 3] = 0;\n        }\n      }\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uLow: gl.getUniformLocation(program, 'uLow'),\n        uHigh: gl.getUniformLocation(program, 'uHigh'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      var source = new fabric.Color(this.color).getSource(),\n          distance = parseFloat(this.distance),\n          lowC = [\n            0 + source[0] / 255 - distance,\n            0 + source[1] / 255 - distance,\n            0 + source[2] / 255 - distance,\n            1\n          ],\n          highC = [\n            source[0] / 255 + distance,\n            source[1] / 255 + distance,\n            source[2] / 255 + distance,\n            1\n          ];\n      gl.uniform4fv(uniformLocations.uLow, lowC);\n      gl.uniform4fv(uniformLocations.uHigh, highC);\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @return {Object} Object representation of an instance\n     */\n    toObject: function() {\n      return extend(this.callSuper('toObject'), {\n        color: this.color,\n        distance: this.distance\n      });\n    }\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {Function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.RemoveColor} Instance of fabric.Image.filters.RemoveWhite\n   */\n  fabric.Image.filters.RemoveColor.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  var matrices = {\n    Brownie: [\n      0.59970,0.34553,-0.27082,0,0.186,\n      -0.03770,0.86095,0.15059,0,-0.1449,\n      0.24113,-0.07441,0.44972,0,-0.02965,\n      0,0,0,1,0\n    ],\n    Vintage: [\n      0.62793,0.32021,-0.03965,0,0.03784,\n      0.02578,0.64411,0.03259,0,0.02926,\n      0.04660,-0.08512,0.52416,0,0.02023,\n      0,0,0,1,0\n    ],\n    Kodachrome: [\n      1.12855,-0.39673,-0.03992,0,0.24991,\n      -0.16404,1.08352,-0.05498,0,0.09698,\n      -0.16786,-0.56034,1.60148,0,0.13972,\n      0,0,0,1,0\n    ],\n    Technicolor: [\n      1.91252,-0.85453,-0.09155,0,0.04624,\n      -0.30878,1.76589,-0.10601,0,-0.27589,\n      -0.23110,-0.75018,1.84759,0,0.12137,\n      0,0,0,1,0\n    ],\n    Polaroid: [\n      1.438,-0.062,-0.062,0,0,\n      -0.122,1.378,-0.122,0,0,\n      -0.016,-0.016,1.483,0,0,\n      0,0,0,1,0\n    ],\n    Sepia: [\n      0.393, 0.769, 0.189, 0, 0,\n      0.349, 0.686, 0.168, 0, 0,\n      0.272, 0.534, 0.131, 0, 0,\n      0, 0, 0, 1, 0\n    ],\n    BlackWhite: [\n      1.5, 1.5, 1.5, 0, -1,\n      1.5, 1.5, 1.5, 0, -1,\n      1.5, 1.5, 1.5, 0, -1,\n      0, 0, 0, 1, 0,\n    ]\n  };\n\n  for (var key in matrices) {\n    filters[key] = createClass(filters.ColorMatrix, /** @lends fabric.Image.filters.Sepia.prototype */ {\n\n      /**\n       * Filter type\n       * @param {String} type\n       * @default\n       */\n      type: key,\n\n      /**\n       * Colormatrix for the effect\n       * array of 20 floats. Numbers in positions 4, 9, 14, 19 loose meaning\n       * outside the -1, 1 range.\n       * @param {Array} matrix array of 20 numbers.\n       * @default\n       */\n      matrix: matrices[key],\n\n      /**\n       * Lock the matrix export for this kind of static, parameter less filters.\n       */\n      mainParameter: false,\n      /**\n       * Lock the colormatrix on the color part, skipping alpha\n       */\n      colorsOnly: true,\n\n    });\n    fabric.Image.filters[key].fromObject = fabric.Image.filters.BaseFilter.fromObject;\n  }\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n  'use strict';\n\n  var fabric = global.fabric,\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Color Blend filter class\n   * @class fabric.Image.filter.BlendColor\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @example\n   * var filter = new fabric.Image.filters.BlendColor({\n   *  color: '#000',\n   *  mode: 'multiply'\n   * });\n   *\n   * var filter = new fabric.Image.filters.BlendImage({\n   *  image: fabricImageObject,\n   *  mode: 'multiply',\n   *  alpha: 0.5\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   * canvas.renderAll();\n   */\n\n  filters.BlendColor = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Blend.prototype */ {\n    type: 'BlendColor',\n\n    /**\n     * Color to make the blend operation with. default to a reddish color since black or white\n     * gives always strong result.\n     **/\n    color: '#F95C63',\n\n    /**\n     * Blend mode for the filter: one of multiply, add, diff, screen, subtract,\n     * darken, lighten, overlay, exclusion, tint.\n     **/\n    mode: 'multiply',\n\n    /**\n     * alpha value. represent the strength of the blend color operation.\n     **/\n    alpha: 1,\n\n    /**\n     * Fragment source for the Multiply program\n     */\n    fragmentSource: {\n      multiply: 'gl_FragColor.rgb *= uColor.rgb;\\n',\n      screen: 'gl_FragColor.rgb = 1.0 - (1.0 - gl_FragColor.rgb) * (1.0 - uColor.rgb);\\n',\n      add: 'gl_FragColor.rgb += uColor.rgb;\\n',\n      diff: 'gl_FragColor.rgb = abs(gl_FragColor.rgb - uColor.rgb);\\n',\n      subtract: 'gl_FragColor.rgb -= uColor.rgb;\\n',\n      lighten: 'gl_FragColor.rgb = max(gl_FragColor.rgb, uColor.rgb);\\n',\n      darken: 'gl_FragColor.rgb = min(gl_FragColor.rgb, uColor.rgb);\\n',\n      exclusion: 'gl_FragColor.rgb += uColor.rgb - 2.0 * (uColor.rgb * gl_FragColor.rgb);\\n',\n      overlay: 'if (uColor.r < 0.5) {\\n' +\n          'gl_FragColor.r *= 2.0 * uColor.r;\\n' +\n        '} else {\\n' +\n          'gl_FragColor.r = 1.0 - 2.0 * (1.0 - gl_FragColor.r) * (1.0 - uColor.r);\\n' +\n        '}\\n' +\n        'if (uColor.g < 0.5) {\\n' +\n          'gl_FragColor.g *= 2.0 * uColor.g;\\n' +\n        '} else {\\n' +\n          'gl_FragColor.g = 1.0 - 2.0 * (1.0 - gl_FragColor.g) * (1.0 - uColor.g);\\n' +\n        '}\\n' +\n        'if (uColor.b < 0.5) {\\n' +\n          'gl_FragColor.b *= 2.0 * uColor.b;\\n' +\n        '} else {\\n' +\n          'gl_FragColor.b = 1.0 - 2.0 * (1.0 - gl_FragColor.b) * (1.0 - uColor.b);\\n' +\n        '}\\n',\n      tint: 'gl_FragColor.rgb *= (1.0 - uColor.a);\\n' +\n        'gl_FragColor.rgb += uColor.rgb;\\n',\n    },\n\n    /**\n     * build the fragment source for the filters, joining the common part with\n     * the specific one.\n     * @param {String} mode the mode of the filter, a key of this.fragmentSource\n     * @return {String} the source to be compiled\n     * @private\n     */\n    buildSource: function(mode) {\n      return 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform vec4 uColor;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'void main() {\\n' +\n          'vec4 color = texture2D(uTexture, vTexCoord);\\n' +\n          'gl_FragColor = color;\\n' +\n          'if (color.a > 0.0) {\\n' +\n            this.fragmentSource[mode] +\n          '}\\n' +\n        '}';\n    },\n\n    /**\n     * Retrieves the cached shader.\n     * @param {Object} options\n     * @param {WebGLRenderingContext} options.context The GL context used for rendering.\n     * @param {Object} options.programCache A map of compiled shader programs, keyed by filter type.\n     */\n    retrieveShader: function(options) {\n      var cacheKey = this.type + '_' + this.mode, shaderSource;\n      if (!options.programCache.hasOwnProperty(cacheKey)) {\n        shaderSource = this.buildSource(this.mode);\n        options.programCache[cacheKey] = this.createProgram(options.context, shaderSource);\n      }\n      return options.programCache[cacheKey];\n    },\n\n    /**\n     * Apply the Blend operation to a Uint8ClampedArray representing the pixels of an image.\n     *\n     * @param {Object} options\n     * @param {ImageData} options.imageData The Uint8ClampedArray to be filtered.\n     */\n    applyTo2d: function(options) {\n      var imageData = options.imageData,\n          data = imageData.data, iLen = data.length,\n          tr, tg, tb,\n          r, g, b,\n          source, alpha1 = 1 - this.alpha;\n\n      source = new fabric.Color(this.color).getSource();\n      tr = source[0] * this.alpha;\n      tg = source[1] * this.alpha;\n      tb = source[2] * this.alpha;\n\n      for (var i = 0; i < iLen; i += 4) {\n\n        r = data[i];\n        g = data[i + 1];\n        b = data[i + 2];\n\n        switch (this.mode) {\n          case 'multiply':\n            data[i] = r * tr / 255;\n            data[i + 1] = g * tg / 255;\n            data[i + 2] = b * tb / 255;\n            break;\n          case 'screen':\n            data[i] = 255 - (255 - r) * (255 - tr) / 255;\n            data[i + 1] = 255 - (255 - g) * (255 - tg) / 255;\n            data[i + 2] = 255 - (255 - b) * (255 - tb) / 255;\n            break;\n          case 'add':\n            data[i] = r + tr;\n            data[i + 1] = g + tg;\n            data[i + 2] = b + tb;\n            break;\n          case 'diff':\n          case 'difference':\n            data[i] = Math.abs(r - tr);\n            data[i + 1] = Math.abs(g - tg);\n            data[i + 2] = Math.abs(b - tb);\n            break;\n          case 'subtract':\n            data[i] = r - tr;\n            data[i + 1] = g - tg;\n            data[i + 2] = b - tb;\n            break;\n          case 'darken':\n            data[i] = Math.min(r, tr);\n            data[i + 1] = Math.min(g, tg);\n            data[i + 2] = Math.min(b, tb);\n            break;\n          case 'lighten':\n            data[i] = Math.max(r, tr);\n            data[i + 1] = Math.max(g, tg);\n            data[i + 2] = Math.max(b, tb);\n            break;\n          case 'overlay':\n            data[i] = tr < 128 ? (2 * r * tr / 255) : (255 - 2 * (255 - r) * (255 - tr) / 255);\n            data[i + 1] = tg < 128 ? (2 * g * tg / 255) : (255 - 2 * (255 - g) * (255 - tg) / 255);\n            data[i + 2] = tb < 128 ? (2 * b * tb / 255) : (255 - 2 * (255 - b) * (255 - tb) / 255);\n            break;\n          case 'exclusion':\n            data[i] = tr + r - ((2 * tr * r) / 255);\n            data[i + 1] = tg + g - ((2 * tg * g) / 255);\n            data[i + 2] = tb + b - ((2 * tb * b) / 255);\n            break;\n          case 'tint':\n            data[i] = tr + r * alpha1;\n            data[i + 1] = tg + g * alpha1;\n            data[i + 2] = tb + b * alpha1;\n        }\n      }\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uColor: gl.getUniformLocation(program, 'uColor'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      var source = new fabric.Color(this.color).getSource();\n      source[0] = this.alpha * source[0] / 255;\n      source[1] = this.alpha * source[1] / 255;\n      source[2] = this.alpha * source[2] / 255;\n      source[3] = this.alpha;\n      gl.uniform4fv(uniformLocations.uColor, source);\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @return {Object} Object representation of an instance\n     */\n    toObject: function() {\n      return {\n        type: this.type,\n        color: this.color,\n        mode: this.mode,\n        alpha: this.alpha\n      };\n    }\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.BlendColor} Instance of fabric.Image.filters.BlendColor\n   */\n  fabric.Image.filters.BlendColor.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n  'use strict';\n\n  var fabric = global.fabric,\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Image Blend filter class\n   * @class fabric.Image.filter.BlendImage\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @example\n   * var filter = new fabric.Image.filters.BlendColor({\n   *  color: '#000',\n   *  mode: 'multiply'\n   * });\n   *\n   * var filter = new fabric.Image.filters.BlendImage({\n   *  image: fabricImageObject,\n   *  mode: 'multiply',\n   *  alpha: 0.5\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   * canvas.renderAll();\n   */\n\n  filters.BlendImage = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.BlendImage.prototype */ {\n    type: 'BlendImage',\n\n    /**\n     * Color to make the blend operation with. default to a reddish color since black or white\n     * gives always strong result.\n     **/\n    image: null,\n\n    /**\n     * Blend mode for the filter: one of multiply, add, diff, screen, subtract,\n     * darken, lighten, overlay, exclusion, tint.\n     **/\n    mode: 'multiply',\n\n    /**\n     * alpha value. represent the strength of the blend image operation.\n     * not implemented.\n     **/\n    alpha: 1,\n\n    vertexSource: 'attribute vec2 aPosition;\\n' +\n      'varying vec2 vTexCoord;\\n' +\n      'varying vec2 vTexCoord2;\\n' +\n      'uniform mat3 uTransformMatrix;\\n' +\n      'void main() {\\n' +\n        'vTexCoord = aPosition;\\n' +\n        'vTexCoord2 = (uTransformMatrix * vec3(aPosition, 1.0)).xy;\\n' +\n        'gl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\\n' +\n      '}',\n\n    /**\n     * Fragment source for the Multiply program\n     */\n    fragmentSource: {\n      multiply: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform sampler2D uImage;\\n' +\n        'uniform vec4 uColor;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'varying vec2 vTexCoord2;\\n' +\n        'void main() {\\n' +\n          'vec4 color = texture2D(uTexture, vTexCoord);\\n' +\n          'vec4 color2 = texture2D(uImage, vTexCoord2);\\n' +\n          'color.rgba *= color2.rgba;\\n' +\n          'gl_FragColor = color;\\n' +\n        '}',\n      mask: 'precision highp float;\\n' +\n        'uniform sampler2D uTexture;\\n' +\n        'uniform sampler2D uImage;\\n' +\n        'uniform vec4 uColor;\\n' +\n        'varying vec2 vTexCoord;\\n' +\n        'varying vec2 vTexCoord2;\\n' +\n        'void main() {\\n' +\n          'vec4 color = texture2D(uTexture, vTexCoord);\\n' +\n          'vec4 color2 = texture2D(uImage, vTexCoord2);\\n' +\n          'color.a = color2.a;\\n' +\n          'gl_FragColor = color;\\n' +\n        '}',\n    },\n\n    /**\n     * Retrieves the cached shader.\n     * @param {Object} options\n     * @param {WebGLRenderingContext} options.context The GL context used for rendering.\n     * @param {Object} options.programCache A map of compiled shader programs, keyed by filter type.\n     */\n    retrieveShader: function(options) {\n      var cacheKey = this.type + '_' + this.mode;\n      var shaderSource = this.fragmentSource[this.mode];\n      if (!options.programCache.hasOwnProperty(cacheKey)) {\n        options.programCache[cacheKey] = this.createProgram(options.context, shaderSource);\n      }\n      return options.programCache[cacheKey];\n    },\n\n    applyToWebGL: function(options) {\n      // load texture to blend.\n      var gl = options.context,\n          texture = this.createTexture(options.filterBackend, this.image);\n      this.bindAdditionalTexture(gl, texture, gl.TEXTURE1);\n      this.callSuper('applyToWebGL', options);\n      this.unbindAdditionalTexture(gl, gl.TEXTURE1);\n    },\n\n    createTexture: function(backend, image) {\n      return backend.getCachedTexture(image.cacheKey, image._element);\n    },\n\n    /**\n     * Calculate a transformMatrix to adapt the image to blend over\n     * @param {Object} options\n     * @param {WebGLRenderingContext} options.context The GL context used for rendering.\n     * @param {Object} options.programCache A map of compiled shader programs, keyed by filter type.\n     */\n    calculateMatrix: function() {\n      var image = this.image,\n          width = image._element.width,\n          height = image._element.height;\n      return [\n        1 / image.scaleX, 0, 0,\n        0, 1 / image.scaleY, 0,\n        -image.left / width, -image.top / height, 1\n      ];\n    },\n\n    /**\n     * Apply the Blend operation to a Uint8ClampedArray representing the pixels of an image.\n     *\n     * @param {Object} options\n     * @param {ImageData} options.imageData The Uint8ClampedArray to be filtered.\n     */\n    applyTo2d: function(options) {\n      var imageData = options.imageData,\n          resources = options.filterBackend.resources,\n          data = imageData.data, iLen = data.length,\n          width = imageData.width,\n          height = imageData.height,\n          tr, tg, tb, ta,\n          r, g, b, a,\n          canvas1, context, image = this.image, blendData;\n\n      if (!resources.blendImage) {\n        resources.blendImage = fabric.util.createCanvasElement();\n      }\n      canvas1 = resources.blendImage;\n      context = canvas1.getContext('2d');\n      if (canvas1.width !== width || canvas1.height !== height) {\n        canvas1.width = width;\n        canvas1.height = height;\n      }\n      else {\n        context.clearRect(0, 0, width, height);\n      }\n      context.setTransform(image.scaleX, 0, 0, image.scaleY, image.left, image.top);\n      context.drawImage(image._element, 0, 0, width, height);\n      blendData = context.getImageData(0, 0, width, height).data;\n      for (var i = 0; i < iLen; i += 4) {\n\n        r = data[i];\n        g = data[i + 1];\n        b = data[i + 2];\n        a = data[i + 3];\n\n        tr = blendData[i];\n        tg = blendData[i + 1];\n        tb = blendData[i + 2];\n        ta = blendData[i + 3];\n\n        switch (this.mode) {\n          case 'multiply':\n            data[i] = r * tr / 255;\n            data[i + 1] = g * tg / 255;\n            data[i + 2] = b * tb / 255;\n            data[i + 3] = a * ta / 255;\n            break;\n          case 'mask':\n            data[i + 3] = ta;\n            break;\n        }\n      }\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uTransformMatrix: gl.getUniformLocation(program, 'uTransformMatrix'),\n        uImage: gl.getUniformLocation(program, 'uImage'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      var matrix = this.calculateMatrix();\n      gl.uniform1i(uniformLocations.uImage, 1); // texture unit 1.\n      gl.uniformMatrix3fv(uniformLocations.uTransformMatrix, false, matrix);\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @return {Object} Object representation of an instance\n     */\n    toObject: function() {\n      return {\n        type: this.type,\n        image: this.image && this.image.toObject(),\n        mode: this.mode,\n        alpha: this.alpha\n      };\n    }\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {function} callback to be invoked after filter creation\n   * @return {fabric.Image.filters.BlendImage} Instance of fabric.Image.filters.BlendImage\n   */\n  fabric.Image.filters.BlendImage.fromObject = function(object, callback) {\n    fabric.Image.fromObject(object.image, function(image) {\n      var options = fabric.util.object.clone(object);\n      options.image = image;\n      callback(new fabric.Image.filters.BlendImage(options));\n    });\n  };\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }), pow = Math.pow, floor = Math.floor,\n      sqrt = Math.sqrt, abs = Math.abs, round = Math.round, sin = Math.sin,\n      ceil = Math.ceil,\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Resize image filter class\n   * @class fabric.Image.filters.Resize\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example\n   * var filter = new fabric.Image.filters.Resize();\n   * object.filters.push(filter);\n   * object.applyFilters(canvas.renderAll.bind(canvas));\n   */\n  filters.Resize = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Resize.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'Resize',\n\n    /**\n     * Resize type\n     * for webgl resizeType is just lanczos, for canvas2d can be:\n     * bilinear, hermite, sliceHack, lanczos.\n     * @param {String} resizeType\n     * @default\n     */\n    resizeType: 'hermite',\n\n    /**\n     * Scale factor for resizing, x axis\n     * @param {Number} scaleX\n     * @default\n     */\n    scaleX: 1,\n\n    /**\n     * Scale factor for resizing, y axis\n     * @param {Number} scaleY\n     * @default\n     */\n    scaleY: 1,\n\n    /**\n     * LanczosLobes parameter for lanczos filter, valid for resizeType lanczos\n     * @param {Number} lanczosLobes\n     * @default\n     */\n    lanczosLobes: 3,\n\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uDelta: gl.getUniformLocation(program, 'uDelta'),\n        uTaps: gl.getUniformLocation(program, 'uTaps'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      gl.uniform2fv(uniformLocations.uDelta, this.horizontal ? [1 / this.width, 0] : [0, 1 / this.height]);\n      gl.uniform1fv(uniformLocations.uTaps, this.taps);\n    },\n\n    /**\n     * Retrieves the cached shader.\n     * @param {Object} options\n     * @param {WebGLRenderingContext} options.context The GL context used for rendering.\n     * @param {Object} options.programCache A map of compiled shader programs, keyed by filter type.\n     */\n    retrieveShader: function(options) {\n      var filterWindow = this.getFilterWindow(), cacheKey = this.type + '_' + filterWindow;\n      if (!options.programCache.hasOwnProperty(cacheKey)) {\n        var fragmentShader = this.generateShader(filterWindow);\n        options.programCache[cacheKey] = this.createProgram(options.context, fragmentShader);\n      }\n      return options.programCache[cacheKey];\n    },\n\n    getFilterWindow: function() {\n      var scale = this.tempScale;\n      return Math.ceil(this.lanczosLobes / scale);\n    },\n\n    getTaps: function() {\n      var lobeFunction = this.lanczosCreate(this.lanczosLobes), scale = this.tempScale,\n          filterWindow = this.getFilterWindow(), taps = new Array(filterWindow);\n      for (var i = 1; i <= filterWindow; i++) {\n        taps[i - 1] = lobeFunction(i * scale);\n      }\n      return taps;\n    },\n\n    /**\n     * Generate vertex and shader sources from the necessary steps numbers\n     * @param {Number} filterWindow\n     */\n    generateShader: function(filterWindow) {\n      var offsets = new Array(filterWindow),\n          fragmentShader = this.fragmentSourceTOP, filterWindow;\n\n      for (var i = 1; i <= filterWindow; i++) {\n        offsets[i - 1] = i + '.0 * uDelta';\n      }\n\n      fragmentShader += 'uniform float uTaps[' + filterWindow + '];\\n';\n      fragmentShader += 'void main() {\\n';\n      fragmentShader += '  vec4 color = texture2D(uTexture, vTexCoord);\\n';\n      fragmentShader += '  float sum = 1.0;\\n';\n\n      offsets.forEach(function(offset, i) {\n        fragmentShader += '  color += texture2D(uTexture, vTexCoord + ' + offset + ') * uTaps[' + i + '];\\n';\n        fragmentShader += '  color += texture2D(uTexture, vTexCoord - ' + offset + ') * uTaps[' + i + '];\\n';\n        fragmentShader += '  sum += 2.0 * uTaps[' + i + '];\\n';\n      });\n      fragmentShader += '  gl_FragColor = color / sum;\\n';\n      fragmentShader += '}';\n      return fragmentShader;\n    },\n\n    fragmentSourceTOP: 'precision highp float;\\n' +\n      'uniform sampler2D uTexture;\\n' +\n      'uniform vec2 uDelta;\\n' +\n      'varying vec2 vTexCoord;\\n',\n\n    /**\n     * Apply the resize filter to the image\n     * Determines whether to use WebGL or Canvas2D based on the options.webgl flag.\n     *\n     * @param {Object} options\n     * @param {Number} options.passes The number of filters remaining to be executed\n     * @param {Boolean} options.webgl Whether to use webgl to render the filter.\n     * @param {WebGLTexture} options.sourceTexture The texture setup as the source to be filtered.\n     * @param {WebGLTexture} options.targetTexture The texture where filtered output should be drawn.\n     * @param {WebGLRenderingContext} options.context The GL context used for rendering.\n     * @param {Object} options.programCache A map of compiled shader programs, keyed by filter type.\n     */\n    applyTo: function(options) {\n      if (options.webgl) {\n        options.passes++;\n        this.width = options.sourceWidth;\n        this.horizontal = true;\n        this.dW = Math.round(this.width * this.scaleX);\n        this.dH = options.sourceHeight;\n        this.tempScale = this.dW / this.width;\n        this.taps = this.getTaps();\n        options.destinationWidth = this.dW;\n        this._setupFrameBuffer(options);\n        this.applyToWebGL(options);\n        this._swapTextures(options);\n        options.sourceWidth = options.destinationWidth;\n\n        this.height = options.sourceHeight;\n        this.horizontal = false;\n        this.dH = Math.round(this.height * this.scaleY);\n        this.tempScale = this.dH / this.height;\n        this.taps = this.getTaps();\n        options.destinationHeight = this.dH;\n        this._setupFrameBuffer(options);\n        this.applyToWebGL(options);\n        this._swapTextures(options);\n        options.sourceHeight = options.destinationHeight;\n      }\n      else {\n        this.applyTo2d(options);\n      }\n    },\n\n    isNeutralState: function() {\n      return this.scaleX === 1 && this.scaleY === 1;\n    },\n\n    lanczosCreate: function(lobes) {\n      return function(x) {\n        if (x >= lobes || x <= -lobes) {\n          return 0.0;\n        }\n        if (x < 1.19209290E-07 && x > -1.19209290E-07) {\n          return 1.0;\n        }\n        x *= Math.PI;\n        var xx = x / lobes;\n        return (sin(x) / x) * sin(xx) / xx;\n      };\n    },\n\n    /**\n     * Applies filter to canvas element\n     * @memberOf fabric.Image.filters.Resize.prototype\n     * @param {Object} canvasEl Canvas element to apply filter to\n     * @param {Number} scaleX\n     * @param {Number} scaleY\n     */\n    applyTo2d: function(options) {\n      var imageData = options.imageData,\n          scaleX = this.scaleX,\n          scaleY = this.scaleY;\n\n      this.rcpScaleX = 1 / scaleX;\n      this.rcpScaleY = 1 / scaleY;\n\n      var oW = imageData.width, oH = imageData.height,\n          dW = round(oW * scaleX), dH = round(oH * scaleY),\n          newData;\n\n      if (this.resizeType === 'sliceHack') {\n        newData = this.sliceByTwo(options, oW, oH, dW, dH);\n      }\n      else if (this.resizeType === 'hermite') {\n        newData = this.hermiteFastResize(options, oW, oH, dW, dH);\n      }\n      else if (this.resizeType === 'bilinear') {\n        newData = this.bilinearFiltering(options, oW, oH, dW, dH);\n      }\n      else if (this.resizeType === 'lanczos') {\n        newData = this.lanczosResize(options, oW, oH, dW, dH);\n      }\n      options.imageData = newData;\n    },\n\n    /**\n     * Filter sliceByTwo\n     * @param {Object} canvasEl Canvas element to apply filter to\n     * @param {Number} oW Original Width\n     * @param {Number} oH Original Height\n     * @param {Number} dW Destination Width\n     * @param {Number} dH Destination Height\n     * @returns {ImageData}\n     */\n    sliceByTwo: function(options, oW, oH, dW, dH) {\n      var imageData = options.imageData,\n          mult = 0.5, doneW = false, doneH = false, stepW = oW * mult,\n          stepH = oH * mult, resources = fabric.filterBackend.resources,\n          tmpCanvas, ctx, sX = 0, sY = 0, dX = oW, dY = 0;\n      if (!resources.sliceByTwo) {\n        resources.sliceByTwo = document.createElement('canvas');\n      }\n      tmpCanvas = resources.sliceByTwo;\n      if (tmpCanvas.width < oW * 1.5 || tmpCanvas.height < oH) {\n        tmpCanvas.width = oW * 1.5;\n        tmpCanvas.height = oH;\n      }\n      ctx = tmpCanvas.getContext('2d');\n      ctx.clearRect(0, 0, oW * 1.5, oH);\n      ctx.putImageData(imageData, 0, 0);\n\n      dW = floor(dW);\n      dH = floor(dH);\n\n      while (!doneW || !doneH) {\n        oW = stepW;\n        oH = stepH;\n        if (dW < floor(stepW * mult)) {\n          stepW = floor(stepW * mult);\n        }\n        else {\n          stepW = dW;\n          doneW = true;\n        }\n        if (dH < floor(stepH * mult)) {\n          stepH = floor(stepH * mult);\n        }\n        else {\n          stepH = dH;\n          doneH = true;\n        }\n        ctx.drawImage(tmpCanvas, sX, sY, oW, oH, dX, dY, stepW, stepH);\n        sX = dX;\n        sY = dY;\n        dY += stepH;\n      }\n      return ctx.getImageData(sX, sY, dW, dH);\n    },\n\n    /**\n     * Filter lanczosResize\n     * @param {Object} canvasEl Canvas element to apply filter to\n     * @param {Number} oW Original Width\n     * @param {Number} oH Original Height\n     * @param {Number} dW Destination Width\n     * @param {Number} dH Destination Height\n     * @returns {ImageData}\n     */\n    lanczosResize: function(options, oW, oH, dW, dH) {\n\n      function process(u) {\n        var v, i, weight, idx, a, red, green,\n            blue, alpha, fX, fY;\n        center.x = (u + 0.5) * ratioX;\n        icenter.x = floor(center.x);\n        for (v = 0; v < dH; v++) {\n          center.y = (v + 0.5) * ratioY;\n          icenter.y = floor(center.y);\n          a = 0; red = 0; green = 0; blue = 0; alpha = 0;\n          for (i = icenter.x - range2X; i <= icenter.x + range2X; i++) {\n            if (i < 0 || i >= oW) {\n              continue;\n            }\n            fX = floor(1000 * abs(i - center.x));\n            if (!cacheLanc[fX]) {\n              cacheLanc[fX] = { };\n            }\n            for (var j = icenter.y - range2Y; j <= icenter.y + range2Y; j++) {\n              if (j < 0 || j >= oH) {\n                continue;\n              }\n              fY = floor(1000 * abs(j - center.y));\n              if (!cacheLanc[fX][fY]) {\n                cacheLanc[fX][fY] = lanczos(sqrt(pow(fX * rcpRatioX, 2) + pow(fY * rcpRatioY, 2)) / 1000);\n              }\n              weight = cacheLanc[fX][fY];\n              if (weight > 0) {\n                idx = (j * oW + i) * 4;\n                a += weight;\n                red += weight * srcData[idx];\n                green += weight * srcData[idx + 1];\n                blue += weight * srcData[idx + 2];\n                alpha += weight * srcData[idx + 3];\n              }\n            }\n          }\n          idx = (v * dW + u) * 4;\n          destData[idx] = red / a;\n          destData[idx + 1] = green / a;\n          destData[idx + 2] = blue / a;\n          destData[idx + 3] = alpha / a;\n        }\n\n        if (++u < dW) {\n          return process(u);\n        }\n        else {\n          return destImg;\n        }\n      }\n\n      var srcData = options.imageData.data,\n          destImg = options.ctx.createImageData(dW, dH),\n          destData = destImg.data,\n          lanczos = this.lanczosCreate(this.lanczosLobes),\n          ratioX = this.rcpScaleX, ratioY = this.rcpScaleY,\n          rcpRatioX = 2 / this.rcpScaleX, rcpRatioY = 2 / this.rcpScaleY,\n          range2X = ceil(ratioX * this.lanczosLobes / 2),\n          range2Y = ceil(ratioY * this.lanczosLobes / 2),\n          cacheLanc = { }, center = { }, icenter = { };\n\n      return process(0);\n    },\n\n    /**\n     * bilinearFiltering\n     * @param {Object} canvasEl Canvas element to apply filter to\n     * @param {Number} oW Original Width\n     * @param {Number} oH Original Height\n     * @param {Number} dW Destination Width\n     * @param {Number} dH Destination Height\n     * @returns {ImageData}\n     */\n    bilinearFiltering: function(options, oW, oH, dW, dH) {\n      var a, b, c, d, x, y, i, j, xDiff, yDiff, chnl,\n          color, offset = 0, origPix, ratioX = this.rcpScaleX,\n          ratioY = this.rcpScaleY,\n          w4 = 4 * (oW - 1), img = options.imageData,\n          pixels = img.data, destImage = options.ctx.createImageData(dW, dH),\n          destPixels = destImage.data;\n      for (i = 0; i < dH; i++) {\n        for (j = 0; j < dW; j++) {\n          x = floor(ratioX * j);\n          y = floor(ratioY * i);\n          xDiff = ratioX * j - x;\n          yDiff = ratioY * i - y;\n          origPix = 4 * (y * oW + x);\n\n          for (chnl = 0; chnl < 4; chnl++) {\n            a = pixels[origPix + chnl];\n            b = pixels[origPix + 4 + chnl];\n            c = pixels[origPix + w4 + chnl];\n            d = pixels[origPix + w4 + 4 + chnl];\n            color = a * (1 - xDiff) * (1 - yDiff) + b * xDiff * (1 - yDiff) +\n                    c * yDiff * (1 - xDiff) + d * xDiff * yDiff;\n            destPixels[offset++] = color;\n          }\n        }\n      }\n      return destImage;\n    },\n\n    /**\n     * hermiteFastResize\n     * @param {Object} canvasEl Canvas element to apply filter to\n     * @param {Number} oW Original Width\n     * @param {Number} oH Original Height\n     * @param {Number} dW Destination Width\n     * @param {Number} dH Destination Height\n     * @returns {ImageData}\n     */\n    hermiteFastResize: function(options, oW, oH, dW, dH) {\n      var ratioW = this.rcpScaleX, ratioH = this.rcpScaleY,\n          ratioWHalf = ceil(ratioW / 2),\n          ratioHHalf = ceil(ratioH / 2),\n          img = options.imageData, data = img.data,\n          img2 = options.ctx.createImageData(dW, dH), data2 = img2.data;\n      for (var j = 0; j < dH; j++) {\n        for (var i = 0; i < dW; i++) {\n          var x2 = (i + j * dW) * 4, weight = 0, weights = 0, weightsAlpha = 0,\n              gxR = 0, gxG = 0, gxB = 0, gxA = 0, centerY = (j + 0.5) * ratioH;\n          for (var yy = floor(j * ratioH); yy < (j + 1) * ratioH; yy++) {\n            var dy = abs(centerY - (yy + 0.5)) / ratioHHalf,\n                centerX = (i + 0.5) * ratioW, w0 = dy * dy;\n            for (var xx = floor(i * ratioW); xx < (i + 1) * ratioW; xx++) {\n              var dx = abs(centerX - (xx + 0.5)) / ratioWHalf,\n                  w = sqrt(w0 + dx * dx);\n              /* eslint-disable max-depth */\n              if (w > 1 && w < -1) {\n                continue;\n              }\n              //hermite filter\n              weight = 2 * w * w * w - 3 * w * w + 1;\n              if (weight > 0) {\n                dx = 4 * (xx + yy * oW);\n                //alpha\n                gxA += weight * data[dx + 3];\n                weightsAlpha += weight;\n                //colors\n                if (data[dx + 3] < 255) {\n                  weight = weight * data[dx + 3] / 250;\n                }\n                gxR += weight * data[dx];\n                gxG += weight * data[dx + 1];\n                gxB += weight * data[dx + 2];\n                weights += weight;\n              }\n              /* eslint-enable max-depth */\n            }\n          }\n          data2[x2] = gxR / weights;\n          data2[x2 + 1] = gxG / weights;\n          data2[x2 + 2] = gxB / weights;\n          data2[x2 + 3] = gxA / weightsAlpha;\n        }\n      }\n      return img2;\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @return {Object} Object representation of an instance\n     */\n    toObject: function() {\n      return {\n        type: this.type,\n        scaleX: this.scaleX,\n        scaleY: this.scaleY,\n        resizeType: this.resizeType,\n        lanczosLobes: this.lanczosLobes\n      };\n    }\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {Function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.Resize} Instance of fabric.Image.filters.Resize\n   */\n  fabric.Image.filters.Resize.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Contrast filter class\n   * @class fabric.Image.filters.Contrast\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link fabric.Image.filters.Contrast#initialize} for constructor definition\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example\n   * var filter = new fabric.Image.filters.Contrast({\n   *   contrast: 0.25\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   */\n  filters.Contrast = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Contrast.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'Contrast',\n\n    fragmentSource: 'precision highp float;\\n' +\n      'uniform sampler2D uTexture;\\n' +\n      'uniform float uContrast;\\n' +\n      'varying vec2 vTexCoord;\\n' +\n      'void main() {\\n' +\n        'vec4 color = texture2D(uTexture, vTexCoord);\\n' +\n        'float contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\\n' +\n        'color.rgb = contrastF * (color.rgb - 0.5) + 0.5;\\n' +\n        'gl_FragColor = color;\\n' +\n      '}',\n\n    /**\n     * contrast value, range from -1 to 1.\n     * @param {Number} contrast\n     * @default 0\n     */\n    contrast: 0,\n\n    mainParameter: 'contrast',\n\n    /**\n     * Constructor\n     * @memberOf fabric.Image.filters.Contrast.prototype\n     * @param {Object} [options] Options object\n     * @param {Number} [options.contrast=0] Value to contrast the image up (-1...1)\n     */\n\n    /**\n      * Apply the Contrast operation to a Uint8Array representing the pixels of an image.\n      *\n      * @param {Object} options\n      * @param {ImageData} options.imageData The Uint8Array to be filtered.\n      */\n    applyTo2d: function(options) {\n      if (this.contrast === 0) {\n        return;\n      }\n      var imageData = options.imageData, i, len,\n          data = imageData.data, len = data.length,\n          contrast = Math.floor(this.contrast * 255),\n          contrastF = 259 * (contrast + 255) / (255 * (259 - contrast));\n\n      for (i = 0; i < len; i += 4) {\n        data[i] = contrastF * (data[i] - 128) + 128;\n        data[i + 1] = contrastF * (data[i + 1] - 128) + 128;\n        data[i + 2] = contrastF * (data[i + 2] - 128) + 128;\n      }\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uContrast: gl.getUniformLocation(program, 'uContrast'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      gl.uniform1f(uniformLocations.uContrast, this.contrast);\n    },\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.Contrast} Instance of fabric.Image.filters.Contrast\n   */\n  fabric.Image.filters.Contrast.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Saturate filter class\n   * @class fabric.Image.filters.Saturation\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link fabric.Image.filters.Saturation#initialize} for constructor definition\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example\n   * var filter = new fabric.Image.filters.Saturation({\n   *   saturation: 100\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   */\n  filters.Saturation = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Saturation.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'Saturation',\n\n    fragmentSource: 'precision highp float;\\n' +\n      'uniform sampler2D uTexture;\\n' +\n      'uniform float uSaturation;\\n' +\n      'varying vec2 vTexCoord;\\n' +\n      'void main() {\\n' +\n        'vec4 color = texture2D(uTexture, vTexCoord);\\n' +\n        'float rgMax = max(color.r, color.g);\\n' +\n        'float rgbMax = max(rgMax, color.b);\\n' +\n        'color.r += rgbMax != color.r ? (rgbMax - color.r) * uSaturation : 0.00;\\n' +\n        'color.g += rgbMax != color.g ? (rgbMax - color.g) * uSaturation : 0.00;\\n' +\n        'color.b += rgbMax != color.b ? (rgbMax - color.b) * uSaturation : 0.00;\\n' +\n        'gl_FragColor = color;\\n' +\n      '}',\n\n    saturation: 0,\n\n    mainParameter: 'saturation',\n\n    /**\n     * Constructor\n     * @memberOf fabric.Image.filters.Saturate.prototype\n     * @param {Object} [options] Options object\n     * @param {Number} [options.saturate=0] Value to saturate the image (-1...1)\n     */\n\n    /**\n     * Apply the Saturation operation to a Uint8ClampedArray representing the pixels of an image.\n     *\n     * @param {Object} options\n     * @param {ImageData} options.imageData The Uint8ClampedArray to be filtered.\n     */\n    applyTo2d: function(options) {\n      if (this.saturation === 0) {\n        return;\n      }\n      var imageData = options.imageData,\n          data = imageData.data, len = data.length,\n          adjust = -this.saturation, i, max;\n\n      for (i = 0; i < len; i += 4) {\n        max = Math.max(data[i], data[i + 1], data[i + 2]);\n        data[i] += max !== data[i] ? (max - data[i]) * adjust : 0;\n        data[i + 1] += max !== data[i + 1] ? (max - data[i + 1]) * adjust : 0;\n        data[i + 2] += max !== data[i + 2] ? (max - data[i + 2]) * adjust : 0;\n      }\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uSaturation: gl.getUniformLocation(program, 'uSaturation'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      gl.uniform1f(uniformLocations.uSaturation, -this.saturation);\n    },\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {Function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.Saturation} Instance of fabric.Image.filters.Saturate\n   */\n  fabric.Image.filters.Saturation.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Blur filter class\n   * @class fabric.Image.filters.Blur\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link fabric.Image.filters.Blur#initialize} for constructor definition\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example\n   * var filter = new fabric.Image.filters.Blur({\n   *   blur: 0.5\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   * canvas.renderAll();\n   */\n  filters.Blur = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Blur.prototype */ {\n\n    type: 'Blur',\n\n    /*\n'gl_FragColor = vec4(0.0);',\n'gl_FragColor += texture2D(texture, vTexCoord + -7 * uDelta)*0.0044299121055113265;',\n'gl_FragColor += texture2D(texture, vTexCoord + -6 * uDelta)*0.00895781211794;',\n'gl_FragColor += texture2D(texture, vTexCoord + -5 * uDelta)*0.0215963866053;',\n'gl_FragColor += texture2D(texture, vTexCoord + -4 * uDelta)*0.0443683338718;',\n'gl_FragColor += texture2D(texture, vTexCoord + -3 * uDelta)*0.0776744219933;',\n'gl_FragColor += texture2D(texture, vTexCoord + -2 * uDelta)*0.115876621105;',\n'gl_FragColor += texture2D(texture, vTexCoord + -1 * uDelta)*0.147308056121;',\n'gl_FragColor += texture2D(texture, vTexCoord              )*0.159576912161;',\n'gl_FragColor += texture2D(texture, vTexCoord + 1 * uDelta)*0.147308056121;',\n'gl_FragColor += texture2D(texture, vTexCoord + 2 * uDelta)*0.115876621105;',\n'gl_FragColor += texture2D(texture, vTexCoord + 3 * uDelta)*0.0776744219933;',\n'gl_FragColor += texture2D(texture, vTexCoord + 4 * uDelta)*0.0443683338718;',\n'gl_FragColor += texture2D(texture, vTexCoord + 5 * uDelta)*0.0215963866053;',\n'gl_FragColor += texture2D(texture, vTexCoord + 6 * uDelta)*0.00895781211794;',\n'gl_FragColor += texture2D(texture, vTexCoord + 7 * uDelta)*0.0044299121055113265;',\n*/\n\n    /* eslint-disable max-len */\n    fragmentSource: 'precision highp float;\\n' +\n      'uniform sampler2D uTexture;\\n' +\n      'uniform vec2 uDelta;\\n' +\n      'varying vec2 vTexCoord;\\n' +\n      'const float nSamples = 15.0;\\n' +\n      'vec3 v3offset = vec3(12.9898, 78.233, 151.7182);\\n' +\n      'float random(vec3 scale) {\\n' +\n        /* use the fragment position for a different seed per-pixel */\n        'return fract(sin(dot(gl_FragCoord.xyz, scale)) * 43758.5453);\\n' +\n      '}\\n' +\n      'void main() {\\n' +\n        'vec4 color = vec4(0.0);\\n' +\n        'float total = 0.0;\\n' +\n        'float offset = random(v3offset);\\n' +\n        'for (float t = -nSamples; t <= nSamples; t++) {\\n' +\n          'float percent = (t + offset - 0.5) / nSamples;\\n' +\n          'float weight = 1.0 - abs(percent);\\n' +\n          'color += texture2D(uTexture, vTexCoord + uDelta * percent) * weight;\\n' +\n          'total += weight;\\n' +\n        '}\\n' +\n        'gl_FragColor = color / total;\\n' +\n      '}',\n    /* eslint-enable max-len */\n\n    /**\n     * blur value, in percentage of image dimensions.\n     * specific to keep the image blur constant at different resolutions\n     * range between 0 and 1.\n     */\n    blur: 0,\n\n    mainParameter: 'blur',\n\n    applyTo: function(options) {\n      if (options.webgl) {\n        // this aspectRatio is used to give the same blur to vertical and horizontal\n        this.aspectRatio = options.sourceWidth / options.sourceHeight;\n        options.passes++;\n        this._setupFrameBuffer(options);\n        this.horizontal = true;\n        this.applyToWebGL(options);\n        this._swapTextures(options);\n        this._setupFrameBuffer(options);\n        this.horizontal = false;\n        this.applyToWebGL(options);\n        this._swapTextures(options);\n      }\n      else {\n        this.applyTo2d(options);\n      }\n    },\n\n    applyTo2d: function(options) {\n      // paint canvasEl with current image data.\n      //options.ctx.putImageData(options.imageData, 0, 0);\n      options.imageData = this.simpleBlur(options);\n    },\n\n    simpleBlur: function(options) {\n      var resources = options.filterBackend.resources, canvas1, canvas2,\n          width = options.imageData.width,\n          height = options.imageData.height;\n\n      if (!resources.blurLayer1) {\n        resources.blurLayer1 = fabric.util.createCanvasElement();\n        resources.blurLayer2 = fabric.util.createCanvasElement();\n      }\n      canvas1 = resources.blurLayer1;\n      canvas2 = resources.blurLayer2;\n      if (canvas1.width !== width || canvas1.height !== height) {\n        canvas2.width = canvas1.width = width;\n        canvas2.height = canvas1.height = height;\n      }\n      var ctx1 = canvas1.getContext('2d'),\n          ctx2 = canvas2.getContext('2d'),\n          nSamples = 15,\n          random, percent, j, i,\n          blur = this.blur * 0.06 * 0.5;\n\n      // load first canvas\n      ctx1.putImageData(options.imageData, 0, 0);\n      ctx2.clearRect(0, 0, width, height);\n\n      for (i = -nSamples; i <= nSamples; i++) {\n        random = (Math.random() - 0.5) / 4;\n        percent = i / nSamples;\n        j = blur * percent * width + random;\n        ctx2.globalAlpha = 1 - Math.abs(percent);\n        ctx2.drawImage(canvas1, j, random);\n        ctx1.drawImage(canvas2, 0, 0);\n        ctx2.globalAlpha = 1;\n        ctx2.clearRect(0, 0, canvas2.width, canvas2.height);\n      }\n      for (i = -nSamples; i <= nSamples; i++) {\n        random = (Math.random() - 0.5) / 4;\n        percent = i / nSamples;\n        j = blur * percent * height + random;\n        ctx2.globalAlpha = 1 - Math.abs(percent);\n        ctx2.drawImage(canvas1, random, j);\n        ctx1.drawImage(canvas2, 0, 0);\n        ctx2.globalAlpha = 1;\n        ctx2.clearRect(0, 0, canvas2.width, canvas2.height);\n      }\n      options.ctx.drawImage(canvas1, 0, 0);\n      var newImageData = options.ctx.getImageData(0, 0, canvas1.width, canvas1.height);\n      ctx1.globalAlpha = 1;\n      ctx1.clearRect(0, 0, canvas1.width, canvas1.height);\n      return newImageData;\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        delta: gl.getUniformLocation(program, 'uDelta'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      var delta = this.chooseRightDelta();\n      gl.uniform2fv(uniformLocations.delta, delta);\n    },\n\n    /**\n     * choose right value of image percentage to blur with\n     * @returns {Array} a numeric array with delta values\n     */\n    chooseRightDelta: function() {\n      var blurScale = 1, delta = [0, 0], blur;\n      if (this.horizontal) {\n        if (this.aspectRatio > 1) {\n          // image is wide, i want to shrink radius horizontal\n          blurScale = 1 / this.aspectRatio;\n        }\n      }\n      else {\n        if (this.aspectRatio < 1) {\n          // image is tall, i want to shrink radius vertical\n          blurScale = this.aspectRatio;\n        }\n      }\n      blur = blurScale * this.blur * 0.12;\n      if (this.horizontal) {\n        delta[0] = blur;\n      }\n      else {\n        delta[1] = blur;\n      }\n      return delta;\n    },\n  });\n\n  /**\n   * Deserialize a JSON definition of a BlurFilter into a concrete instance.\n   */\n  filters.Blur.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * Gamma filter class\n   * @class fabric.Image.filters.Gamma\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link fabric.Image.filters.Gamma#initialize} for constructor definition\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example\n   * var filter = new fabric.Image.filters.Gamma({\n   *   gamma: [1, 0.5, 2.1]\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   */\n  filters.Gamma = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Gamma.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'Gamma',\n\n    fragmentSource: 'precision highp float;\\n' +\n      'uniform sampler2D uTexture;\\n' +\n      'uniform vec3 uGamma;\\n' +\n      'varying vec2 vTexCoord;\\n' +\n      'void main() {\\n' +\n        'vec4 color = texture2D(uTexture, vTexCoord);\\n' +\n        'vec3 correction = (1.0 / uGamma);\\n' +\n        'color.r = pow(color.r, correction.r);\\n' +\n        'color.g = pow(color.g, correction.g);\\n' +\n        'color.b = pow(color.b, correction.b);\\n' +\n        'gl_FragColor = color;\\n' +\n        'gl_FragColor.rgb *= color.a;\\n' +\n      '}',\n\n    /**\n     * Gamma array value, from 0.01 to 2.2.\n     * @param {Array} gamma\n     * @default\n     */\n    gamma: [1, 1, 1],\n\n    /**\n     * Describe the property that is the filter parameter\n     * @param {String} m\n     * @default\n     */\n    mainParameter: 'gamma',\n\n    /**\n     * Constructor\n     * @param {Object} [options] Options object\n     */\n    initialize: function(options) {\n      this.gamma = [1, 1, 1];\n      filters.BaseFilter.prototype.initialize.call(this, options);\n    },\n\n    /**\n     * Apply the Gamma operation to a Uint8Array representing the pixels of an image.\n     *\n     * @param {Object} options\n     * @param {ImageData} options.imageData The Uint8Array to be filtered.\n     */\n    applyTo2d: function(options) {\n      var imageData = options.imageData, data = imageData.data,\n          gamma = this.gamma, len = data.length,\n          rInv = 1 / gamma[0], gInv = 1 / gamma[1],\n          bInv = 1 / gamma[2], i;\n\n      if (!this.rVals) {\n        // eslint-disable-next-line\n        this.rVals = new Uint8Array(256);\n        // eslint-disable-next-line\n        this.gVals = new Uint8Array(256);\n        // eslint-disable-next-line\n        this.bVals = new Uint8Array(256);\n      }\n\n      // This is an optimization - pre-compute a look-up table for each color channel\n      // instead of performing these pow calls for each pixel in the image.\n      for (i = 0, len = 256; i < len; i++) {\n        this.rVals[i] = Math.pow(i / 255, rInv) * 255;\n        this.gVals[i] = Math.pow(i / 255, gInv) * 255;\n        this.bVals[i] = Math.pow(i / 255, bInv) * 255;\n      }\n      for (i = 0, len = data.length; i < len; i += 4) {\n        data[i] = this.rVals[data[i]];\n        data[i + 1] = this.gVals[data[i + 1]];\n        data[i + 2] = this.bVals[data[i + 2]];\n      }\n    },\n\n    /**\n     * Return WebGL uniform locations for this filter's shader.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {WebGLShaderProgram} program This filter's compiled shader program.\n     */\n    getUniformLocations: function(gl, program) {\n      return {\n        uGamma: gl.getUniformLocation(program, 'uGamma'),\n      };\n    },\n\n    /**\n     * Send data from this filter to its shader program's uniforms.\n     *\n     * @param {WebGLRenderingContext} gl The GL canvas context used to compile this filter's shader.\n     * @param {Object} uniformLocations A map of string uniform names to WebGLUniformLocation objects\n     */\n    sendUniformData: function(gl, uniformLocations) {\n      gl.uniform3fv(uniformLocations.uGamma, this.gamma);\n    },\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.Gamma} Instance of fabric.Image.filters.Gamma\n   */\n  fabric.Image.filters.Gamma.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * A container class that knows how to apply a sequence of filters to an input image.\n   */\n  filters.Composed = createClass(filters.BaseFilter, /** @lends fabric.Image.filters.Composed.prototype */ {\n\n    type: 'Composed',\n\n    /**\n     * A non sparse array of filters to apply\n     */\n    subFilters: [],\n\n    /**\n     * Constructor\n     * @param {Object} [options] Options object\n     */\n    initialize: function(options) {\n      this.callSuper('initialize', options);\n      // create a new array instead mutating the prototype with push\n      this.subFilters = this.subFilters.slice(0);\n    },\n\n    /**\n     * Apply this container's filters to the input image provided.\n     *\n     * @param {Object} options\n     * @param {Number} options.passes The number of filters remaining to be applied.\n     */\n    applyTo: function(options) {\n      options.passes += this.subFilters.length - 1;\n      this.subFilters.forEach(function(filter) {\n        filter.applyTo(options);\n      });\n    },\n\n    /**\n     * Serialize this filter into JSON.\n     *\n     * @returns {Object} A JSON representation of this filter.\n     */\n    toObject: function() {\n      return fabric.util.object.extend(this.callSuper('toObject'), {\n        subFilters: this.subFilters.map(function(filter) { return filter.toObject(); }),\n      });\n    },\n\n    isNeutralState: function() {\n      return !this.subFilters.some(function(filter) { return !filter.isNeutralState(); });\n    }\n  });\n\n  /**\n   * Deserialize a JSON definition of a ComposedFilter into a concrete instance.\n   */\n  fabric.Image.filters.Composed.fromObject = function(object, callback) {\n    var filters = object.subFilters || [],\n        subFilters = filters.map(function(filter) {\n          return new fabric.Image.filters[filter.type](filter);\n        }),\n        instance = new fabric.Image.filters.Composed({ subFilters: subFilters });\n    callback && callback(instance);\n    return instance;\n  };\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric  = global.fabric || (global.fabric = { }),\n      filters = fabric.Image.filters,\n      createClass = fabric.util.createClass;\n\n  /**\n   * HueRotation filter class\n   * @class fabric.Image.filters.HueRotation\n   * @memberOf fabric.Image.filters\n   * @extends fabric.Image.filters.BaseFilter\n   * @see {@link fabric.Image.filters.HueRotation#initialize} for constructor definition\n   * @see {@link http://fabricjs.com/image-filters|ImageFilters demo}\n   * @example\n   * var filter = new fabric.Image.filters.HueRotation({\n   *   rotation: -0.5\n   * });\n   * object.filters.push(filter);\n   * object.applyFilters();\n   */\n  filters.HueRotation = createClass(filters.ColorMatrix, /** @lends fabric.Image.filters.HueRotation.prototype */ {\n\n    /**\n     * Filter type\n     * @param {String} type\n     * @default\n     */\n    type: 'HueRotation',\n\n    /**\n     * HueRotation value, from -1 to 1.\n     * the unit is radians\n     * @param {Number} myParameter\n     * @default\n     */\n    rotation: 0,\n\n    /**\n     * Describe the property that is the filter parameter\n     * @param {String} m\n     * @default\n     */\n    mainParameter: 'rotation',\n\n    calculateMatrix: function() {\n      var rad = this.rotation * Math.PI, cos = fabric.util.cos(rad), sin = fabric.util.sin(rad),\n          aThird = 1 / 3, aThirdSqtSin = Math.sqrt(aThird) * sin, OneMinusCos = 1 - cos;\n      this.matrix = [\n        1, 0, 0, 0, 0,\n        0, 1, 0, 0, 0,\n        0, 0, 1, 0, 0,\n        0, 0, 0, 1, 0\n      ];\n      this.matrix[0] = cos + OneMinusCos / 3;\n      this.matrix[1] = aThird * OneMinusCos - aThirdSqtSin;\n      this.matrix[2] = aThird * OneMinusCos + aThirdSqtSin;\n      this.matrix[5] = aThird * OneMinusCos + aThirdSqtSin;\n      this.matrix[6] = cos + aThird * OneMinusCos;\n      this.matrix[7] = aThird * OneMinusCos - aThirdSqtSin;\n      this.matrix[10] = aThird * OneMinusCos - aThirdSqtSin;\n      this.matrix[11] = aThird * OneMinusCos + aThirdSqtSin;\n      this.matrix[12] = cos + aThird * OneMinusCos;\n    },\n\n    /**\n     * HueRotation isNeutralState implementation\n     * Used only in image applyFilters to discard filters that will not have an effect\n     * on the image\n     * @param {Object} options\n     **/\n    isNeutralState: function(options) {\n      this.calculateMatrix();\n      return filters.BaseFilter.prototype.isNeutralState.call(this, options);\n    },\n\n    /**\n     * Apply this filter to the input image data provided.\n     *\n     * Determines whether to use WebGL or Canvas2D based on the options.webgl flag.\n     *\n     * @param {Object} options\n     * @param {Number} options.passes The number of filters remaining to be executed\n     * @param {Boolean} options.webgl Whether to use webgl to render the filter.\n     * @param {WebGLTexture} options.sourceTexture The texture setup as the source to be filtered.\n     * @param {WebGLTexture} options.targetTexture The texture where filtered output should be drawn.\n     * @param {WebGLRenderingContext} options.context The GL context used for rendering.\n     * @param {Object} options.programCache A map of compiled shader programs, keyed by filter type.\n     */\n    applyTo: function(options) {\n      this.calculateMatrix();\n      filters.BaseFilter.prototype.applyTo.call(this, options);\n    },\n\n  });\n\n  /**\n   * Returns filter instance from an object representation\n   * @static\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] to be invoked after filter creation\n   * @return {fabric.Image.filters.HueRotation} Instance of fabric.Image.filters.HueRotation\n   */\n  fabric.Image.filters.HueRotation.fromObject = fabric.Image.filters.BaseFilter.fromObject;\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = { }),\n      clone = fabric.util.object.clone;\n\n  if (fabric.Text) {\n    fabric.warn('fabric.Text is already defined');\n    return;\n  }\n\n  var additionalProps =\n    ('fontFamily fontWeight fontSize text underline overline linethrough' +\n    ' textAlign fontStyle lineHeight textBackgroundColor charSpacing styles path').split(' ');\n\n  /**\n   * Text class\n   * @class fabric.Text\n   * @extends fabric.Object\n   * @return {fabric.Text} thisArg\n   * @tutorial {@link http://fabricjs.com/fabric-intro-part-2#text}\n   * @see {@link fabric.Text#initialize} for constructor definition\n   */\n  fabric.Text = fabric.util.createClass(fabric.Object, /** @lends fabric.Text.prototype */ {\n\n    /**\n     * Properties which when set cause object to change dimensions\n     * @type Array\n     * @private\n     */\n    _dimensionAffectingProps: [\n      'fontSize',\n      'fontWeight',\n      'fontFamily',\n      'fontStyle',\n      'lineHeight',\n      'text',\n      'charSpacing',\n      'textAlign',\n      'styles',\n      'path'\n    ],\n\n    /**\n     * @private\n     */\n    _reNewline: /\\r?\\n/,\n\n    /**\n     * Use this regular expression to filter for whitespaces that is not a new line.\n     * Mostly used when text is 'justify' aligned.\n     * @private\n     */\n    _reSpacesAndTabs: /[ \\t\\r]/g,\n\n    /**\n     * Use this regular expression to filter for whitespace that is not a new line.\n     * Mostly used when text is 'justify' aligned.\n     * @private\n     */\n    _reSpaceAndTab: /[ \\t\\r]/,\n\n    /**\n     * Use this regular expression to filter consecutive groups of non spaces.\n     * Mostly used when text is 'justify' aligned.\n     * @private\n     */\n    _reWords: /\\S+/g,\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type:                 'text',\n\n    /**\n     * Font size (in pixels)\n     * @type Number\n     * @default\n     */\n    fontSize:             40,\n\n    /**\n     * Font weight (e.g. bold, normal, 400, 600, 800)\n     * @type {(Number|String)}\n     * @default\n     */\n    fontWeight:           'normal',\n\n    /**\n     * Font family\n     * @type String\n     * @default\n     */\n    fontFamily:           'Times New Roman',\n\n    /**\n     * Text decoration underline.\n     * @type Boolean\n     * @default\n     */\n    underline:       false,\n\n    /**\n     * Text decoration overline.\n     * @type Boolean\n     * @default\n     */\n    overline:       false,\n\n    /**\n     * Text decoration linethrough.\n     * @type Boolean\n     * @default\n     */\n    linethrough:       false,\n\n    /**\n     * Text alignment. Possible values: \"left\", \"center\", \"right\", \"justify\",\n     * \"justify-left\", \"justify-center\" or \"justify-right\".\n     * @type String\n     * @default\n     */\n    textAlign:            'left',\n\n    /**\n     * Font style . Possible values: \"\", \"normal\", \"italic\" or \"oblique\".\n     * @type String\n     * @default\n     */\n    fontStyle:            'normal',\n\n    /**\n     * Line height\n     * @type Number\n     * @default\n     */\n    lineHeight:           1.16,\n\n    /**\n     * Superscript schema object (minimum overlap)\n     * @type {Object}\n     * @default\n     */\n    superscript: {\n      size:      0.60, // fontSize factor\n      baseline: -0.35  // baseline-shift factor (upwards)\n    },\n\n    /**\n     * Subscript schema object (minimum overlap)\n     * @type {Object}\n     * @default\n     */\n    subscript: {\n      size:      0.60, // fontSize factor\n      baseline:  0.11  // baseline-shift factor (downwards)\n    },\n\n    /**\n     * Background color of text lines\n     * @type String\n     * @default\n     */\n    textBackgroundColor:  '',\n\n    /**\n     * List of properties to consider when checking if\n     * state of an object is changed ({@link fabric.Object#hasStateChanged})\n     * as well as for history (undo/redo) purposes\n     * @type Array\n     */\n    stateProperties: fabric.Object.prototype.stateProperties.concat(additionalProps),\n\n    /**\n     * List of properties to consider when checking if cache needs refresh\n     * @type Array\n     */\n    cacheProperties: fabric.Object.prototype.cacheProperties.concat(additionalProps),\n\n    /**\n     * When defined, an object is rendered via stroke and this property specifies its color.\n     * <b>Backwards incompatibility note:</b> This property was named \"strokeStyle\" until v1.1.6\n     * @type String\n     * @default\n     */\n    stroke:               null,\n\n    /**\n     * Shadow object representing shadow of this shape.\n     * <b>Backwards incompatibility note:</b> This property was named \"textShadow\" (String) until v1.2.11\n     * @type fabric.Shadow\n     * @default\n     */\n    shadow:               null,\n\n    /**\n     * fabric.Path that the text can follow.\n     * This feature is in BETA.\n     * @type fabric.Path\n     * @default\n     */\n    path:               null,\n\n    /**\n     * @private\n     */\n    _fontSizeFraction: 0.222,\n\n    /**\n     * @private\n     */\n    offsets: {\n      underline: 0.10,\n      linethrough: -0.315,\n      overline: -0.88\n    },\n\n    /**\n     * Text Line proportion to font Size (in pixels)\n     * @type Number\n     * @default\n     */\n    _fontSizeMult:             1.13,\n\n    /**\n     * additional space between characters\n     * expressed in thousands of em unit\n     * @type Number\n     * @default\n     */\n    charSpacing:             0,\n\n    /**\n     * Object containing character styles - top-level properties -> line numbers,\n     * 2nd-level properties - character numbers\n     * @type Object\n     * @default\n     */\n    styles: null,\n\n    /**\n     * Reference to a context to measure text char or couple of chars\n     * the cacheContext of the canvas will be used or a freshly created one if the object is not on canvas\n     * once created it will be referenced on fabric._measuringContext to avoid creating a canvas for every\n     * text object created.\n     * @type {CanvasRenderingContext2D}\n     * @default\n     */\n    _measuringContext: null,\n\n    /**\n     * Baseline shift, styles only, keep at 0 for the main text object\n     * @type {Number}\n     * @default\n     */\n    deltaY: 0,\n\n    /**\n     * WARNING: EXPERIMENTAL. NOT SUPPORTED YET\n     * determine the direction of the text.\n     * This has to be set manually together with textAlign and originX for proper\n     * experience.\n     * some interesting link for the future\n     * https://www.w3.org/International/questions/qa-bidi-unicode-controls\n     * @since 4.5.0\n     * @type {String} 'ltr|rtl'\n     * @default\n     */\n    direction: 'ltr',\n\n    /**\n     * Array of properties that define a style unit (of 'styles').\n     * @type {Array}\n     * @default\n     */\n    _styleProperties: [\n      'stroke',\n      'strokeWidth',\n      'fill',\n      'fontFamily',\n      'fontSize',\n      'fontWeight',\n      'fontStyle',\n      'underline',\n      'overline',\n      'linethrough',\n      'deltaY',\n      'textBackgroundColor',\n    ],\n\n    /**\n     * contains characters bounding boxes\n     */\n    __charBounds: [],\n\n    /**\n     * use this size when measuring text. To avoid IE11 rounding errors\n     * @type {Number}\n     * @default\n     * @readonly\n     * @private\n     */\n    CACHE_FONT_SIZE: 400,\n\n    /**\n     * contains the min text width to avoid getting 0\n     * @type {Number}\n     * @default\n     */\n    MIN_TEXT_WIDTH: 2,\n\n    /**\n     * Constructor\n     * @param {String} text Text string\n     * @param {Object} [options] Options object\n     * @return {fabric.Text} thisArg\n     */\n    initialize: function(text, options) {\n      this.styles = options ? (options.styles || { }) : { };\n      this.text = text;\n      this.__skipDimension = true;\n      this.callSuper('initialize', options);\n      if (this.path) {\n        this.setPathInfo();\n      }\n      this.__skipDimension = false;\n      this.initDimensions();\n      this.setCoords();\n      this.setupState({ propertySet: '_dimensionAffectingProps' });\n    },\n\n    /**\n     * If text has a path, it will add the extra information needed\n     * for path and text calculations\n     * @return {fabric.Text} thisArg\n     */\n    setPathInfo: function() {\n      var path = this.path;\n      if (path) {\n        path.segmentsInfo = fabric.util.getPathSegmentsInfo(path.path);\n      }\n    },\n\n    /**\n     * Return a context for measurement of text string.\n     * if created it gets stored for reuse\n     * @param {String} text Text string\n     * @param {Object} [options] Options object\n     * @return {fabric.Text} thisArg\n     */\n    getMeasuringContext: function() {\n      // if we did not return we have to measure something.\n      if (!fabric._measuringContext) {\n        fabric._measuringContext = this.canvas && this.canvas.contextCache ||\n          fabric.util.createCanvasElement().getContext('2d');\n      }\n      return fabric._measuringContext;\n    },\n\n    /**\n     * @private\n     * Divides text into lines of text and lines of graphemes.\n     */\n    _splitText: function() {\n      var newLines = this._splitTextIntoLines(this.text);\n      this.textLines = newLines.lines;\n      this._textLines = newLines.graphemeLines;\n      this._unwrappedTextLines = newLines._unwrappedLines;\n      this._text = newLines.graphemeText;\n      return newLines;\n    },\n\n    /**\n     * Initialize or update text dimensions.\n     * Updates this.width and this.height with the proper values.\n     * Does not return dimensions.\n     */\n    initDimensions: function() {\n      if (this.__skipDimension) {\n        return;\n      }\n      this._splitText();\n      this._clearCache();\n      if (this.path) {\n        this.width = this.path.width;\n        this.height = this.path.height;\n      }\n      else {\n        this.width = this.calcTextWidth() || this.cursorWidth || this.MIN_TEXT_WIDTH;\n        this.height = this.calcTextHeight();\n      }\n      if (this.textAlign.indexOf('justify') !== -1) {\n        // once text is measured we need to make space fatter to make justified text.\n        this.enlargeSpaces();\n      }\n      this.saveState({ propertySet: '_dimensionAffectingProps' });\n    },\n\n    /**\n     * Enlarge space boxes and shift the others\n     */\n    enlargeSpaces: function() {\n      var diffSpace, currentLineWidth, numberOfSpaces, accumulatedSpace, line, charBound, spaces;\n      for (var i = 0, len = this._textLines.length; i < len; i++) {\n        if (this.textAlign !== 'justify' && (i === len - 1 || this.isEndOfWrapping(i))) {\n          continue;\n        }\n        accumulatedSpace = 0;\n        line = this._textLines[i];\n        currentLineWidth = this.getLineWidth(i);\n        if (currentLineWidth < this.width && (spaces = this.textLines[i].match(this._reSpacesAndTabs))) {\n          numberOfSpaces = spaces.length;\n          diffSpace = (this.width - currentLineWidth) / numberOfSpaces;\n          for (var j = 0, jlen = line.length; j <= jlen; j++) {\n            charBound = this.__charBounds[i][j];\n            if (this._reSpaceAndTab.test(line[j])) {\n              charBound.width += diffSpace;\n              charBound.kernedWidth += diffSpace;\n              charBound.left += accumulatedSpace;\n              accumulatedSpace += diffSpace;\n            }\n            else {\n              charBound.left += accumulatedSpace;\n            }\n          }\n        }\n      }\n    },\n\n    /**\n     * Detect if the text line is ended with an hard break\n     * text and itext do not have wrapping, return false\n     * @return {Boolean}\n     */\n    isEndOfWrapping: function(lineIndex) {\n      return lineIndex === this._textLines.length - 1;\n    },\n\n    /**\n     * Detect if a line has a linebreak and so we need to account for it when moving\n     * and counting style.\n     * It return always for text and Itext.\n     * @return Number\n     */\n    missingNewlineOffset: function() {\n      return 1;\n    },\n\n    /**\n     * Returns string representation of an instance\n     * @return {String} String representation of text object\n     */\n    toString: function() {\n      return '#<fabric.Text (' + this.complexity() +\n        '): { \"text\": \"' + this.text + '\", \"fontFamily\": \"' + this.fontFamily + '\" }>';\n    },\n\n    /**\n     * Return the dimension and the zoom level needed to create a cache canvas\n     * big enough to host the object to be cached.\n     * @private\n     * @param {Object} dim.x width of object to be cached\n     * @param {Object} dim.y height of object to be cached\n     * @return {Object}.width width of canvas\n     * @return {Object}.height height of canvas\n     * @return {Object}.zoomX zoomX zoom value to unscale the canvas before drawing cache\n     * @return {Object}.zoomY zoomY zoom value to unscale the canvas before drawing cache\n     */\n    _getCacheCanvasDimensions: function() {\n      var dims = this.callSuper('_getCacheCanvasDimensions');\n      var fontSize = this.fontSize;\n      dims.width += fontSize * dims.zoomX;\n      dims.height += fontSize * dims.zoomY;\n      return dims;\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _render: function(ctx) {\n      this._setTextStyles(ctx);\n      this._renderTextLinesBackground(ctx);\n      this._renderTextDecoration(ctx, 'underline');\n      this._renderText(ctx);\n      this._renderTextDecoration(ctx, 'overline');\n      this._renderTextDecoration(ctx, 'linethrough');\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderText: function(ctx) {\n      if (this.paintFirst === 'stroke') {\n        this._renderTextStroke(ctx);\n        this._renderTextFill(ctx);\n      }\n      else {\n        this._renderTextFill(ctx);\n        this._renderTextStroke(ctx);\n      }\n    },\n\n    /**\n     * Set the font parameter of the context with the object properties or with charStyle\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @param {Object} [charStyle] object with font style properties\n     * @param {String} [charStyle.fontFamily] Font Family\n     * @param {Number} [charStyle.fontSize] Font size in pixels. ( without px suffix )\n     * @param {String} [charStyle.fontWeight] Font weight\n     * @param {String} [charStyle.fontStyle] Font style (italic|normal)\n     */\n    _setTextStyles: function(ctx, charStyle, forMeasuring) {\n      ctx.textBaseline = 'alphabetic';\n      ctx.font = this._getFontDeclaration(charStyle, forMeasuring);\n    },\n\n    /**\n     * calculate and return the text Width measuring each line.\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @return {Number} Maximum width of fabric.Text object\n     */\n    calcTextWidth: function() {\n      var maxWidth = this.getLineWidth(0);\n\n      for (var i = 1, len = this._textLines.length; i < len; i++) {\n        var currentLineWidth = this.getLineWidth(i);\n        if (currentLineWidth > maxWidth) {\n          maxWidth = currentLineWidth;\n        }\n      }\n      return maxWidth;\n    },\n\n    /**\n     * @private\n     * @param {String} method Method name (\"fillText\" or \"strokeText\")\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @param {String} line Text to render\n     * @param {Number} left Left position of text\n     * @param {Number} top Top position of text\n     * @param {Number} lineIndex Index of a line in a text\n     */\n    _renderTextLine: function(method, ctx, line, left, top, lineIndex) {\n      this._renderChars(method, ctx, line, left, top, lineIndex);\n    },\n\n    /**\n     * Renders the text background for lines, taking care of style\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderTextLinesBackground: function(ctx) {\n      if (!this.textBackgroundColor && !this.styleHas('textBackgroundColor')) {\n        return;\n      }\n      var heightOfLine,\n          lineLeftOffset, originalFill = ctx.fillStyle,\n          line, lastColor,\n          leftOffset = this._getLeftOffset(),\n          lineTopOffset = this._getTopOffset(),\n          boxStart = 0, boxWidth = 0, charBox, currentColor, path = this.path,\n          drawStart;\n\n      for (var i = 0, len = this._textLines.length; i < len; i++) {\n        heightOfLine = this.getHeightOfLine(i);\n        if (!this.textBackgroundColor && !this.styleHas('textBackgroundColor', i)) {\n          lineTopOffset += heightOfLine;\n          continue;\n        }\n        line = this._textLines[i];\n        lineLeftOffset = this._getLineLeftOffset(i);\n        boxWidth = 0;\n        boxStart = 0;\n        lastColor = this.getValueOfPropertyAt(i, 0, 'textBackgroundColor');\n        for (var j = 0, jlen = line.length; j < jlen; j++) {\n          charBox = this.__charBounds[i][j];\n          currentColor = this.getValueOfPropertyAt(i, j, 'textBackgroundColor');\n          if (path) {\n            ctx.save();\n            ctx.translate(charBox.renderLeft, charBox.renderTop);\n            ctx.rotate(charBox.angle);\n            ctx.fillStyle = currentColor;\n            currentColor && ctx.fillRect(\n              -charBox.width / 2,\n              -heightOfLine / this.lineHeight * (1 - this._fontSizeFraction),\n              charBox.width,\n              heightOfLine / this.lineHeight\n            );\n            ctx.restore();\n          }\n          else if (currentColor !== lastColor) {\n            drawStart = leftOffset + lineLeftOffset + boxStart;\n            if (this.direction === 'rtl') {\n              drawStart = this.width - drawStart - boxWidth;\n            }\n            ctx.fillStyle = lastColor;\n            lastColor && ctx.fillRect(\n              drawStart,\n              lineTopOffset,\n              boxWidth,\n              heightOfLine / this.lineHeight\n            );\n            boxStart = charBox.left;\n            boxWidth = charBox.width;\n            lastColor = currentColor;\n          }\n          else {\n            boxWidth += charBox.kernedWidth;\n          }\n        }\n        if (currentColor && !path) {\n          drawStart = leftOffset + lineLeftOffset + boxStart;\n          if (this.direction === 'rtl') {\n            drawStart = this.width - drawStart - boxWidth;\n          }\n          ctx.fillStyle = currentColor;\n          ctx.fillRect(\n            drawStart,\n            lineTopOffset,\n            boxWidth,\n            heightOfLine / this.lineHeight\n          );\n        }\n        lineTopOffset += heightOfLine;\n      }\n      ctx.fillStyle = originalFill;\n      // if there is text background color no\n      // other shadows should be casted\n      this._removeShadow(ctx);\n    },\n\n    /**\n     * @private\n     * @param {Object} decl style declaration for cache\n     * @param {String} decl.fontFamily fontFamily\n     * @param {String} decl.fontStyle fontStyle\n     * @param {String} decl.fontWeight fontWeight\n     * @return {Object} reference to cache\n     */\n    getFontCache: function(decl) {\n      var fontFamily = decl.fontFamily.toLowerCase();\n      if (!fabric.charWidthsCache[fontFamily]) {\n        fabric.charWidthsCache[fontFamily] = { };\n      }\n      var cache = fabric.charWidthsCache[fontFamily],\n          cacheProp = decl.fontStyle.toLowerCase() + '_' + (decl.fontWeight + '').toLowerCase();\n      if (!cache[cacheProp]) {\n        cache[cacheProp] = { };\n      }\n      return cache[cacheProp];\n    },\n\n    /**\n     * measure and return the width of a single character.\n     * possibly overridden to accommodate different measure logic or\n     * to hook some external lib for character measurement\n     * @private\n     * @param {String} _char, char to be measured\n     * @param {Object} charStyle style of char to be measured\n     * @param {String} [previousChar] previous char\n     * @param {Object} [prevCharStyle] style of previous char\n     */\n    _measureChar: function(_char, charStyle, previousChar, prevCharStyle) {\n      // first i try to return from cache\n      var fontCache = this.getFontCache(charStyle), fontDeclaration = this._getFontDeclaration(charStyle),\n          previousFontDeclaration = this._getFontDeclaration(prevCharStyle), couple = previousChar + _char,\n          stylesAreEqual = fontDeclaration === previousFontDeclaration, width, coupleWidth, previousWidth,\n          fontMultiplier = charStyle.fontSize / this.CACHE_FONT_SIZE, kernedWidth;\n\n      if (previousChar && fontCache[previousChar] !== undefined) {\n        previousWidth = fontCache[previousChar];\n      }\n      if (fontCache[_char] !== undefined) {\n        kernedWidth = width = fontCache[_char];\n      }\n      if (stylesAreEqual && fontCache[couple] !== undefined) {\n        coupleWidth = fontCache[couple];\n        kernedWidth = coupleWidth - previousWidth;\n      }\n      if (width === undefined || previousWidth === undefined || coupleWidth === undefined) {\n        var ctx = this.getMeasuringContext();\n        // send a TRUE to specify measuring font size CACHE_FONT_SIZE\n        this._setTextStyles(ctx, charStyle, true);\n      }\n      if (width === undefined) {\n        kernedWidth = width = ctx.measureText(_char).width;\n        fontCache[_char] = width;\n      }\n      if (previousWidth === undefined && stylesAreEqual && previousChar) {\n        previousWidth = ctx.measureText(previousChar).width;\n        fontCache[previousChar] = previousWidth;\n      }\n      if (stylesAreEqual && coupleWidth === undefined) {\n        // we can measure the kerning couple and subtract the width of the previous character\n        coupleWidth = ctx.measureText(couple).width;\n        fontCache[couple] = coupleWidth;\n        kernedWidth = coupleWidth - previousWidth;\n      }\n      return { width: width * fontMultiplier, kernedWidth: kernedWidth * fontMultiplier };\n    },\n\n    /**\n     * Computes height of character at given position\n     * @param {Number} line the line index number\n     * @param {Number} _char the character index number\n     * @return {Number} fontSize of the character\n     */\n    getHeightOfChar: function(line, _char) {\n      return this.getValueOfPropertyAt(line, _char, 'fontSize');\n    },\n\n    /**\n     * measure a text line measuring all characters.\n     * @param {Number} lineIndex line number\n     * @return {Number} Line width\n     */\n    measureLine: function(lineIndex) {\n      var lineInfo = this._measureLine(lineIndex);\n      if (this.charSpacing !== 0) {\n        lineInfo.width -= this._getWidthOfCharSpacing();\n      }\n      if (lineInfo.width < 0) {\n        lineInfo.width = 0;\n      }\n      return lineInfo;\n    },\n\n    /**\n     * measure every grapheme of a line, populating __charBounds\n     * @param {Number} lineIndex\n     * @return {Object} object.width total width of characters\n     * @return {Object} object.widthOfSpaces length of chars that match this._reSpacesAndTabs\n     */\n    _measureLine: function(lineIndex) {\n      var width = 0, i, grapheme, line = this._textLines[lineIndex], prevGrapheme,\n          graphemeInfo, numOfSpaces = 0, lineBounds = new Array(line.length),\n          positionInPath = 0, startingPoint, totalPathLength, path = this.path;\n\n      this.__charBounds[lineIndex] = lineBounds;\n      if (path) {\n        startingPoint = fabric.util.getPointOnPath(path.path, 0, path.segmentsInfo);\n        totalPathLength = path.segmentsInfo[path.segmentsInfo.length - 1].length;\n        startingPoint.x += path.pathOffset.x;\n        startingPoint.y += path.pathOffset.y;\n      }\n      for (i = 0; i < line.length; i++) {\n        grapheme = line[i];\n        graphemeInfo = this._getGraphemeBox(grapheme, lineIndex, i, prevGrapheme);\n        if (path) {\n          if (positionInPath > totalPathLength) {\n            positionInPath %= totalPathLength;\n          }\n          // it would probably much fater to send all the grapheme position for a line\n          // and calculate path position/angle at once.\n          this._setGraphemeOnPath(positionInPath, graphemeInfo, startingPoint);\n        }\n        lineBounds[i] = graphemeInfo;\n        width += graphemeInfo.kernedWidth;\n        positionInPath += graphemeInfo.kernedWidth;\n        prevGrapheme = grapheme;\n      }\n      // this latest bound box represent the last character of the line\n      // to simplify cursor handling in interactive mode.\n      lineBounds[i] = {\n        left: graphemeInfo ? graphemeInfo.left + graphemeInfo.width : 0,\n        width: 0,\n        kernedWidth: 0,\n        height: this.fontSize\n      };\n      return { width: width, numOfSpaces: numOfSpaces };\n    },\n\n    /**\n     * Calculate the angle  and the left,top position of the char that follow a path.\n     * It appends it to graphemeInfo to be reused later at rendering\n     * @private\n     * @param {Number} positionInPath to be measured\n     * @param {Object} graphemeInfo current grapheme box information\n     * @param {Object} startingPoint position of the point\n     */\n    _setGraphemeOnPath: function(positionInPath, graphemeInfo, startingPoint) {\n      var centerPosition = positionInPath + graphemeInfo.kernedWidth / 2,\n          path = this.path;\n\n      // we are at currentPositionOnPath. we want to know what point on the path is.\n      var info = fabric.util.getPointOnPath(path.path, centerPosition, path.segmentsInfo);\n      graphemeInfo.renderLeft = info.x - startingPoint.x;\n      graphemeInfo.renderTop = info.y - startingPoint.y;\n      graphemeInfo.angle = info.angle;\n    },\n\n    /**\n     * Measure and return the info of a single grapheme.\n     * needs the the info of previous graphemes already filled\n     * @private\n     * @param {String} grapheme to be measured\n     * @param {Number} lineIndex index of the line where the char is\n     * @param {Number} charIndex position in the line\n     * @param {String} [prevGrapheme] character preceding the one to be measured\n     */\n    _getGraphemeBox: function(grapheme, lineIndex, charIndex, prevGrapheme, skipLeft) {\n      var style = this.getCompleteStyleDeclaration(lineIndex, charIndex),\n          prevStyle = prevGrapheme ? this.getCompleteStyleDeclaration(lineIndex, charIndex - 1) : { },\n          info = this._measureChar(grapheme, style, prevGrapheme, prevStyle),\n          kernedWidth = info.kernedWidth,\n          width = info.width, charSpacing;\n\n      if (this.charSpacing !== 0) {\n        charSpacing = this._getWidthOfCharSpacing();\n        width += charSpacing;\n        kernedWidth += charSpacing;\n      }\n\n      var box = {\n        width: width,\n        left: 0,\n        height: style.fontSize,\n        kernedWidth: kernedWidth,\n        deltaY: style.deltaY,\n      };\n      if (charIndex > 0 && !skipLeft) {\n        var previousBox = this.__charBounds[lineIndex][charIndex - 1];\n        box.left = previousBox.left + previousBox.width + info.kernedWidth - info.width;\n      }\n      return box;\n    },\n\n    /**\n     * Calculate height of line at 'lineIndex'\n     * @param {Number} lineIndex index of line to calculate\n     * @return {Number}\n     */\n    getHeightOfLine: function(lineIndex) {\n      if (this.__lineHeights[lineIndex]) {\n        return this.__lineHeights[lineIndex];\n      }\n\n      var line = this._textLines[lineIndex],\n          // char 0 is measured before the line cycle because it nneds to char\n          // emptylines\n          maxHeight = this.getHeightOfChar(lineIndex, 0);\n      for (var i = 1, len = line.length; i < len; i++) {\n        maxHeight = Math.max(this.getHeightOfChar(lineIndex, i), maxHeight);\n      }\n\n      return this.__lineHeights[lineIndex] = maxHeight * this.lineHeight * this._fontSizeMult;\n    },\n\n    /**\n     * Calculate text box height\n     */\n    calcTextHeight: function() {\n      var lineHeight, height = 0;\n      for (var i = 0, len = this._textLines.length; i < len; i++) {\n        lineHeight = this.getHeightOfLine(i);\n        height += (i === len - 1 ? lineHeight / this.lineHeight : lineHeight);\n      }\n      return height;\n    },\n\n    /**\n     * @private\n     * @return {Number} Left offset\n     */\n    _getLeftOffset: function() {\n      return this.direction === 'ltr' ? -this.width / 2 : this.width / 2;\n    },\n\n    /**\n     * @private\n     * @return {Number} Top offset\n     */\n    _getTopOffset: function() {\n      return -this.height / 2;\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @param {String} method Method name (\"fillText\" or \"strokeText\")\n     */\n    _renderTextCommon: function(ctx, method) {\n      ctx.save();\n      var lineHeights = 0, left = this._getLeftOffset(), top = this._getTopOffset();\n      for (var i = 0, len = this._textLines.length; i < len; i++) {\n        var heightOfLine = this.getHeightOfLine(i),\n            maxHeight = heightOfLine / this.lineHeight,\n            leftOffset = this._getLineLeftOffset(i);\n        this._renderTextLine(\n          method,\n          ctx,\n          this._textLines[i],\n          left + leftOffset,\n          top + lineHeights + maxHeight,\n          i\n        );\n        lineHeights += heightOfLine;\n      }\n      ctx.restore();\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderTextFill: function(ctx) {\n      if (!this.fill && !this.styleHas('fill')) {\n        return;\n      }\n\n      this._renderTextCommon(ctx, 'fillText');\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderTextStroke: function(ctx) {\n      if ((!this.stroke || this.strokeWidth === 0) && this.isEmptyStyles()) {\n        return;\n      }\n\n      if (this.shadow && !this.shadow.affectStroke) {\n        this._removeShadow(ctx);\n      }\n\n      ctx.save();\n      this._setLineDash(ctx, this.strokeDashArray);\n      ctx.beginPath();\n      this._renderTextCommon(ctx, 'strokeText');\n      ctx.closePath();\n      ctx.restore();\n    },\n\n    /**\n     * @private\n     * @param {String} method fillText or strokeText.\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @param {Array} line Content of the line, splitted in an array by grapheme\n     * @param {Number} left\n     * @param {Number} top\n     * @param {Number} lineIndex\n     */\n    _renderChars: function(method, ctx, line, left, top, lineIndex) {\n      // set proper line offset\n      var lineHeight = this.getHeightOfLine(lineIndex),\n          isJustify = this.textAlign.indexOf('justify') !== -1,\n          actualStyle,\n          nextStyle,\n          charsToRender = '',\n          charBox,\n          boxWidth = 0,\n          timeToRender,\n          path = this.path,\n          shortCut = !isJustify && this.charSpacing === 0 && this.isEmptyStyles(lineIndex) && !path,\n          isLtr = this.direction === 'ltr', sign = this.direction === 'ltr' ? 1 : -1,\n          drawingLeft;\n\n      ctx.save();\n      top -= lineHeight * this._fontSizeFraction / this.lineHeight;\n      if (shortCut) {\n        // render all the line in one pass without checking\n        // drawingLeft = isLtr ? left : left - this.getLineWidth(lineIndex);\n        ctx.canvas.setAttribute('dir', isLtr ? 'ltr' : 'rtl');\n        ctx.direction = isLtr ? 'ltr' : 'rtl';\n        ctx.textAlign = isLtr ? 'left' : 'right';\n        this._renderChar(method, ctx, lineIndex, 0, line.join(''), left, top, lineHeight);\n        ctx.restore();\n        return;\n      }\n      for (var i = 0, len = line.length - 1; i <= len; i++) {\n        timeToRender = i === len || this.charSpacing || path;\n        charsToRender += line[i];\n        charBox = this.__charBounds[lineIndex][i];\n        if (boxWidth === 0) {\n          left += sign * (charBox.kernedWidth - charBox.width);\n          boxWidth += charBox.width;\n        }\n        else {\n          boxWidth += charBox.kernedWidth;\n        }\n        if (isJustify && !timeToRender) {\n          if (this._reSpaceAndTab.test(line[i])) {\n            timeToRender = true;\n          }\n        }\n        if (!timeToRender) {\n          // if we have charSpacing, we render char by char\n          actualStyle = actualStyle || this.getCompleteStyleDeclaration(lineIndex, i);\n          nextStyle = this.getCompleteStyleDeclaration(lineIndex, i + 1);\n          timeToRender = this._hasStyleChanged(actualStyle, nextStyle);\n        }\n        if (timeToRender) {\n          if (path) {\n            ctx.save();\n            ctx.translate(charBox.renderLeft, charBox.renderTop);\n            ctx.rotate(charBox.angle);\n            this._renderChar(method, ctx, lineIndex, i, charsToRender, -boxWidth / 2, 0, lineHeight);\n            ctx.restore();\n          }\n          else {\n            drawingLeft = left;\n            ctx.canvas.setAttribute('dir', isLtr ? 'ltr' : 'rtl');\n            ctx.direction = isLtr ? 'ltr' : 'rtl';\n            ctx.textAlign = isLtr ? 'left' : 'right';\n            this._renderChar(method, ctx, lineIndex, i, charsToRender, drawingLeft, top, lineHeight);\n          }\n          charsToRender = '';\n          actualStyle = nextStyle;\n          left += sign * boxWidth;\n          boxWidth = 0;\n        }\n      }\n      ctx.restore();\n    },\n\n    /**\n     * This function try to patch the missing gradientTransform on canvas gradients.\n     * transforming a context to transform the gradient, is going to transform the stroke too.\n     * we want to transform the gradient but not the stroke operation, so we create\n     * a transformed gradient on a pattern and then we use the pattern instead of the gradient.\n     * this method has drawbacks: is slow, is in low resolution, needs a patch for when the size\n     * is limited.\n     * @private\n     * @param {fabric.Gradient} filler a fabric gradient instance\n     * @return {CanvasPattern} a pattern to use as fill/stroke style\n     */\n    _applyPatternGradientTransformText: function(filler) {\n      var pCanvas = fabric.util.createCanvasElement(), pCtx,\n          // TODO: verify compatibility with strokeUniform\n          width = this.width + this.strokeWidth, height = this.height + this.strokeWidth;\n      pCanvas.width = width;\n      pCanvas.height = height;\n      pCtx = pCanvas.getContext('2d');\n      pCtx.beginPath(); pCtx.moveTo(0, 0); pCtx.lineTo(width, 0); pCtx.lineTo(width, height);\n      pCtx.lineTo(0, height); pCtx.closePath();\n      pCtx.translate(width / 2, height / 2);\n      pCtx.fillStyle = filler.toLive(pCtx);\n      this._applyPatternGradientTransform(pCtx, filler);\n      pCtx.fill();\n      return pCtx.createPattern(pCanvas, 'no-repeat');\n    },\n\n    handleFiller: function(ctx, property, filler) {\n      var offsetX, offsetY;\n      if (filler.toLive) {\n        if (filler.gradientUnits === 'percentage' || filler.gradientTransform || filler.patternTransform) {\n          // need to transform gradient in a pattern.\n          // this is a slow process. If you are hitting this codepath, and the object\n          // is not using caching, you should consider switching it on.\n          // we need a canvas as big as the current object caching canvas.\n          offsetX = -this.width / 2;\n          offsetY = -this.height / 2;\n          ctx.translate(offsetX, offsetY);\n          ctx[property] = this._applyPatternGradientTransformText(filler);\n          return { offsetX: offsetX, offsetY: offsetY };\n        }\n        else {\n          // is a simple gradient or pattern\n          ctx[property] = filler.toLive(ctx, this);\n          return this._applyPatternGradientTransform(ctx, filler);\n        }\n      }\n      else {\n        // is a color\n        ctx[property] = filler;\n      }\n      return { offsetX: 0, offsetY: 0 };\n    },\n\n    _setStrokeStyles: function(ctx, decl) {\n      ctx.lineWidth = decl.strokeWidth;\n      ctx.lineCap = this.strokeLineCap;\n      ctx.lineDashOffset = this.strokeDashOffset;\n      ctx.lineJoin = this.strokeLineJoin;\n      ctx.miterLimit = this.strokeMiterLimit;\n      return this.handleFiller(ctx, 'strokeStyle', decl.stroke);\n    },\n\n    _setFillStyles: function(ctx, decl) {\n      return this.handleFiller(ctx, 'fillStyle', decl.fill);\n    },\n\n    /**\n     * @private\n     * @param {String} method\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     * @param {Number} lineIndex\n     * @param {Number} charIndex\n     * @param {String} _char\n     * @param {Number} left Left coordinate\n     * @param {Number} top Top coordinate\n     * @param {Number} lineHeight Height of the line\n     */\n    _renderChar: function(method, ctx, lineIndex, charIndex, _char, left, top) {\n      var decl = this._getStyleDeclaration(lineIndex, charIndex),\n          fullDecl = this.getCompleteStyleDeclaration(lineIndex, charIndex),\n          shouldFill = method === 'fillText' && fullDecl.fill,\n          shouldStroke = method === 'strokeText' && fullDecl.stroke && fullDecl.strokeWidth,\n          fillOffsets, strokeOffsets;\n\n      if (!shouldStroke && !shouldFill) {\n        return;\n      }\n      ctx.save();\n\n      shouldFill && (fillOffsets = this._setFillStyles(ctx, fullDecl));\n      shouldStroke && (strokeOffsets = this._setStrokeStyles(ctx, fullDecl));\n\n      ctx.font = this._getFontDeclaration(fullDecl);\n\n\n      if (decl && decl.textBackgroundColor) {\n        this._removeShadow(ctx);\n      }\n      if (decl && decl.deltaY) {\n        top += decl.deltaY;\n      }\n      shouldFill && ctx.fillText(_char, left - fillOffsets.offsetX, top - fillOffsets.offsetY);\n      shouldStroke && ctx.strokeText(_char, left - strokeOffsets.offsetX, top - strokeOffsets.offsetY);\n      ctx.restore();\n    },\n\n    /**\n     * Turns the character into a 'superior figure' (i.e. 'superscript')\n     * @param {Number} start selection start\n     * @param {Number} end selection end\n     * @returns {fabric.Text} thisArg\n     * @chainable\n     */\n    setSuperscript: function(start, end) {\n      return this._setScript(start, end, this.superscript);\n    },\n\n    /**\n     * Turns the character into an 'inferior figure' (i.e. 'subscript')\n     * @param {Number} start selection start\n     * @param {Number} end selection end\n     * @returns {fabric.Text} thisArg\n     * @chainable\n     */\n    setSubscript: function(start, end) {\n      return this._setScript(start, end, this.subscript);\n    },\n\n    /**\n     * Applies 'schema' at given position\n     * @private\n     * @param {Number} start selection start\n     * @param {Number} end selection end\n     * @param {Number} schema\n     * @returns {fabric.Text} thisArg\n     * @chainable\n     */\n    _setScript: function(start, end, schema) {\n      var loc = this.get2DCursorLocation(start, true),\n          fontSize = this.getValueOfPropertyAt(loc.lineIndex, loc.charIndex, 'fontSize'),\n          dy = this.getValueOfPropertyAt(loc.lineIndex, loc.charIndex, 'deltaY'),\n          style = { fontSize: fontSize * schema.size, deltaY: dy + fontSize * schema.baseline };\n      this.setSelectionStyles(style, start, end);\n      return this;\n    },\n\n    /**\n     * @private\n     * @param {Object} prevStyle\n     * @param {Object} thisStyle\n     */\n    _hasStyleChanged: function(prevStyle, thisStyle) {\n      return prevStyle.fill !== thisStyle.fill ||\n              prevStyle.stroke !== thisStyle.stroke ||\n              prevStyle.strokeWidth !== thisStyle.strokeWidth ||\n              prevStyle.fontSize !== thisStyle.fontSize ||\n              prevStyle.fontFamily !== thisStyle.fontFamily ||\n              prevStyle.fontWeight !== thisStyle.fontWeight ||\n              prevStyle.fontStyle !== thisStyle.fontStyle ||\n              prevStyle.deltaY !== thisStyle.deltaY;\n    },\n\n    /**\n     * @private\n     * @param {Object} prevStyle\n     * @param {Object} thisStyle\n     */\n    _hasStyleChangedForSvg: function(prevStyle, thisStyle) {\n      return this._hasStyleChanged(prevStyle, thisStyle) ||\n        prevStyle.overline !== thisStyle.overline ||\n        prevStyle.underline !== thisStyle.underline ||\n        prevStyle.linethrough !== thisStyle.linethrough;\n    },\n\n    /**\n     * @private\n     * @param {Number} lineIndex index text line\n     * @return {Number} Line left offset\n     */\n    _getLineLeftOffset: function(lineIndex) {\n      var lineWidth = this.getLineWidth(lineIndex),\n          lineDiff = this.width - lineWidth, textAlign = this.textAlign, direction = this.direction,\n          isEndOfWrapping, leftOffset = 0, isEndOfWrapping = this.isEndOfWrapping(lineIndex);\n      if (textAlign === 'justify'\n        || (textAlign === 'justify-center' && !isEndOfWrapping)\n        || (textAlign === 'justify-right' && !isEndOfWrapping)\n        || (textAlign === 'justify-left' && !isEndOfWrapping)\n      ) {\n        return 0;\n      }\n      if (textAlign === 'center') {\n        leftOffset = lineDiff / 2;\n      }\n      if (textAlign === 'right') {\n        leftOffset = lineDiff;\n      }\n      if (textAlign === 'justify-center') {\n        leftOffset = lineDiff / 2;\n      }\n      if (textAlign === 'justify-right') {\n        leftOffset = lineDiff;\n      }\n      if (direction === 'rtl') {\n        leftOffset -= lineDiff;\n      }\n      return leftOffset;\n    },\n\n    /**\n     * @private\n     */\n    _clearCache: function() {\n      this.__lineWidths = [];\n      this.__lineHeights = [];\n      this.__charBounds = [];\n    },\n\n    /**\n     * @private\n     */\n    _shouldClearDimensionCache: function() {\n      var shouldClear = this._forceClearCache;\n      shouldClear || (shouldClear = this.hasStateChanged('_dimensionAffectingProps'));\n      if (shouldClear) {\n        this.dirty = true;\n        this._forceClearCache = false;\n      }\n      return shouldClear;\n    },\n\n    /**\n     * Measure a single line given its index. Used to calculate the initial\n     * text bounding box. The values are calculated and stored in __lineWidths cache.\n     * @private\n     * @param {Number} lineIndex line number\n     * @return {Number} Line width\n     */\n    getLineWidth: function(lineIndex) {\n      if (this.__lineWidths[lineIndex]) {\n        return this.__lineWidths[lineIndex];\n      }\n\n      var width, line = this._textLines[lineIndex], lineInfo;\n\n      if (line === '') {\n        width = 0;\n      }\n      else {\n        lineInfo = this.measureLine(lineIndex);\n        width = lineInfo.width;\n      }\n      this.__lineWidths[lineIndex] = width;\n      return width;\n    },\n\n    _getWidthOfCharSpacing: function() {\n      if (this.charSpacing !== 0) {\n        return this.fontSize * this.charSpacing / 1000;\n      }\n      return 0;\n    },\n\n    /**\n     * Retrieves the value of property at given character position\n     * @param {Number} lineIndex the line number\n     * @param {Number} charIndex the character number\n     * @param {String} property the property name\n     * @returns the value of 'property'\n     */\n    getValueOfPropertyAt: function(lineIndex, charIndex, property) {\n      var charStyle = this._getStyleDeclaration(lineIndex, charIndex);\n      if (charStyle && typeof charStyle[property] !== 'undefined') {\n        return charStyle[property];\n      }\n      return this[property];\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _renderTextDecoration: function(ctx, type) {\n      if (!this[type] && !this.styleHas(type)) {\n        return;\n      }\n      var heightOfLine, size, _size,\n          lineLeftOffset, dy, _dy,\n          line, lastDecoration,\n          leftOffset = this._getLeftOffset(),\n          topOffset = this._getTopOffset(), top,\n          boxStart, boxWidth, charBox, currentDecoration,\n          maxHeight, currentFill, lastFill, path = this.path,\n          charSpacing = this._getWidthOfCharSpacing(),\n          offsetY = this.offsets[type];\n\n      for (var i = 0, len = this._textLines.length; i < len; i++) {\n        heightOfLine = this.getHeightOfLine(i);\n        if (!this[type] && !this.styleHas(type, i)) {\n          topOffset += heightOfLine;\n          continue;\n        }\n        line = this._textLines[i];\n        maxHeight = heightOfLine / this.lineHeight;\n        lineLeftOffset = this._getLineLeftOffset(i);\n        boxStart = 0;\n        boxWidth = 0;\n        lastDecoration = this.getValueOfPropertyAt(i, 0, type);\n        lastFill = this.getValueOfPropertyAt(i, 0, 'fill');\n        top = topOffset + maxHeight * (1 - this._fontSizeFraction);\n        size = this.getHeightOfChar(i, 0);\n        dy = this.getValueOfPropertyAt(i, 0, 'deltaY');\n        for (var j = 0, jlen = line.length; j < jlen; j++) {\n          charBox = this.__charBounds[i][j];\n          currentDecoration = this.getValueOfPropertyAt(i, j, type);\n          currentFill = this.getValueOfPropertyAt(i, j, 'fill');\n          _size = this.getHeightOfChar(i, j);\n          _dy = this.getValueOfPropertyAt(i, j, 'deltaY');\n          if (path && currentDecoration && currentFill) {\n            ctx.save();\n            ctx.fillStyle = lastFill;\n            ctx.translate(charBox.renderLeft, charBox.renderTop);\n            ctx.rotate(charBox.angle);\n            ctx.fillRect(\n              -charBox.kernedWidth / 2,\n              offsetY * _size + _dy,\n              charBox.kernedWidth,\n              this.fontSize / 15\n            );\n            ctx.restore();\n          }\n          else if (\n            (currentDecoration !== lastDecoration || currentFill !== lastFill || _size !== size || _dy !== dy)\n            && boxWidth > 0\n          ) {\n            var drawStart = leftOffset + lineLeftOffset + boxStart;\n            if (this.direction === 'rtl') {\n              drawStart = this.width - drawStart - boxWidth;\n            }\n            if (lastDecoration && lastFill) {\n              ctx.fillStyle = lastFill;\n              ctx.fillRect(\n                drawStart,\n                top + offsetY * size + dy,\n                boxWidth,\n                this.fontSize / 15\n              );\n            }\n            boxStart = charBox.left;\n            boxWidth = charBox.width;\n            lastDecoration = currentDecoration;\n            lastFill = currentFill;\n            size = _size;\n            dy = _dy;\n          }\n          else {\n            boxWidth += charBox.kernedWidth;\n          }\n        }\n        var drawStart = leftOffset + lineLeftOffset + boxStart;\n        if (this.direction === 'rtl') {\n          drawStart = this.width - drawStart - boxWidth;\n        }\n        ctx.fillStyle = currentFill;\n        currentDecoration && currentFill && ctx.fillRect(\n          drawStart,\n          top + offsetY * size + dy,\n          boxWidth - charSpacing,\n          this.fontSize / 15\n        );\n        topOffset += heightOfLine;\n      }\n      // if there is text background color no\n      // other shadows should be casted\n      this._removeShadow(ctx);\n    },\n\n    /**\n     * return font declaration string for canvas context\n     * @param {Object} [styleObject] object\n     * @returns {String} font declaration formatted for canvas context.\n     */\n    _getFontDeclaration: function(styleObject, forMeasuring) {\n      var style = styleObject || this, family = this.fontFamily,\n          fontIsGeneric = fabric.Text.genericFonts.indexOf(family.toLowerCase()) > -1;\n      var fontFamily = family === undefined ||\n      family.indexOf('\\'') > -1 || family.indexOf(',') > -1 ||\n      family.indexOf('\"') > -1 || fontIsGeneric\n        ? style.fontFamily : '\"' + style.fontFamily + '\"';\n      return [\n        // node-canvas needs \"weight style\", while browsers need \"style weight\"\n        // verify if this can be fixed in JSDOM\n        (fabric.isLikelyNode ? style.fontWeight : style.fontStyle),\n        (fabric.isLikelyNode ? style.fontStyle : style.fontWeight),\n        forMeasuring ? this.CACHE_FONT_SIZE + 'px' : style.fontSize + 'px',\n        fontFamily\n      ].join(' ');\n    },\n\n    /**\n     * Renders text instance on a specified context\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    render: function(ctx) {\n      // do not render if object is not visible\n      if (!this.visible) {\n        return;\n      }\n      if (this.canvas && this.canvas.skipOffscreen && !this.group && !this.isOnScreen()) {\n        return;\n      }\n      if (this._shouldClearDimensionCache()) {\n        this.initDimensions();\n      }\n      this.callSuper('render', ctx);\n    },\n\n    /**\n     * Returns the text as an array of lines.\n     * @param {String} text text to split\n     * @returns {Array} Lines in the text\n     */\n    _splitTextIntoLines: function(text) {\n      var lines = text.split(this._reNewline),\n          newLines = new Array(lines.length),\n          newLine = ['\\n'],\n          newText = [];\n      for (var i = 0; i < lines.length; i++) {\n        newLines[i] = fabric.util.string.graphemeSplit(lines[i]);\n        newText = newText.concat(newLines[i], newLine);\n      }\n      newText.pop();\n      return { _unwrappedLines: newLines, lines: lines, graphemeText: newText, graphemeLines: newLines };\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} Object representation of an instance\n     */\n    toObject: function(propertiesToInclude) {\n      var additionalProperties = [\n        'text',\n        'fontSize',\n        'fontWeight',\n        'fontFamily',\n        'fontStyle',\n        'lineHeight',\n        'underline',\n        'overline',\n        'linethrough',\n        'textAlign',\n        'textBackgroundColor',\n        'charSpacing',\n        'path',\n        'direction',\n      ].concat(propertiesToInclude);\n      var obj = this.callSuper('toObject', additionalProperties);\n      obj.styles = clone(this.styles, true);\n      obj.path = this.path && this.path.toObject();\n      return obj;\n    },\n\n    /**\n     * Sets property to a given value. When changing position/dimension -related properties (left, top, scale, angle, etc.) `set` does not update position of object's borders/controls. If you need to update those, call `setCoords()`.\n     * @param {String|Object} key Property name or object (if object, iterate over the object properties)\n     * @param {Object|Function} value Property value (if function, the value is passed into it and its return value is used as a new one)\n     * @return {fabric.Object} thisArg\n     * @chainable\n     */\n    set: function(key, value) {\n      this.callSuper('set', key, value);\n      var needsDims = false;\n      var isAddingPath = false;\n      if (typeof key === 'object') {\n        for (var _key in key) {\n          if (_key === 'path') {\n            this.setPathInfo();\n          }\n          needsDims = needsDims || this._dimensionAffectingProps.indexOf(_key) !== -1;\n          isAddingPath = isAddingPath || _key === 'path';\n        }\n      }\n      else {\n        needsDims = this._dimensionAffectingProps.indexOf(key) !== -1;\n        isAddingPath = key === 'path';\n      }\n      if (isAddingPath) {\n        this.setPathInfo();\n      }\n      if (needsDims) {\n        this.initDimensions();\n        this.setCoords();\n      }\n      return this;\n    },\n\n    /**\n     * Returns complexity of an instance\n     * @return {Number} complexity\n     */\n    complexity: function() {\n      return 1;\n    }\n  });\n\n  /* _FROM_SVG_START_ */\n  /**\n   * List of attribute names to account for when parsing SVG element (used by {@link fabric.Text.fromElement})\n   * @static\n   * @memberOf fabric.Text\n   * @see: http://www.w3.org/TR/SVG/text.html#TextElement\n   */\n  fabric.Text.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat(\n    'x y dx dy font-family font-style font-weight font-size letter-spacing text-decoration text-anchor'.split(' '));\n\n  /**\n   * Default SVG font size\n   * @static\n   * @memberOf fabric.Text\n   */\n  fabric.Text.DEFAULT_SVG_FONT_SIZE = 16;\n\n  /**\n   * Returns fabric.Text instance from an SVG element (<b>not yet implemented</b>)\n   * @static\n   * @memberOf fabric.Text\n   * @param {SVGElement} element Element to parse\n   * @param {Function} callback callback function invoked after parsing\n   * @param {Object} [options] Options object\n   */\n  fabric.Text.fromElement = function(element, callback, options) {\n    if (!element) {\n      return callback(null);\n    }\n\n    var parsedAttributes = fabric.parseAttributes(element, fabric.Text.ATTRIBUTE_NAMES),\n        parsedAnchor = parsedAttributes.textAnchor || 'left';\n    options = fabric.util.object.extend((options ? clone(options) : { }), parsedAttributes);\n\n    options.top = options.top || 0;\n    options.left = options.left || 0;\n    if (parsedAttributes.textDecoration) {\n      var textDecoration = parsedAttributes.textDecoration;\n      if (textDecoration.indexOf('underline') !== -1) {\n        options.underline = true;\n      }\n      if (textDecoration.indexOf('overline') !== -1) {\n        options.overline = true;\n      }\n      if (textDecoration.indexOf('line-through') !== -1) {\n        options.linethrough = true;\n      }\n      delete options.textDecoration;\n    }\n    if ('dx' in parsedAttributes) {\n      options.left += parsedAttributes.dx;\n    }\n    if ('dy' in parsedAttributes) {\n      options.top += parsedAttributes.dy;\n    }\n    if (!('fontSize' in options)) {\n      options.fontSize = fabric.Text.DEFAULT_SVG_FONT_SIZE;\n    }\n\n    var textContent = '';\n\n    // The XML is not properly parsed in IE9 so a workaround to get\n    // textContent is through firstChild.data. Another workaround would be\n    // to convert XML loaded from a file to be converted using DOMParser (same way loadSVGFromString() does)\n    if (!('textContent' in element)) {\n      if ('firstChild' in element && element.firstChild !== null) {\n        if ('data' in element.firstChild && element.firstChild.data !== null) {\n          textContent = element.firstChild.data;\n        }\n      }\n    }\n    else {\n      textContent = element.textContent;\n    }\n\n    textContent = textContent.replace(/^\\s+|\\s+$|\\n+/g, '').replace(/\\s+/g, ' ');\n    var originalStrokeWidth = options.strokeWidth;\n    options.strokeWidth = 0;\n\n    var text = new fabric.Text(textContent, options),\n        textHeightScaleFactor = text.getScaledHeight() / text.height,\n        lineHeightDiff = (text.height + text.strokeWidth) * text.lineHeight - text.height,\n        scaledDiff = lineHeightDiff * textHeightScaleFactor,\n        textHeight = text.getScaledHeight() + scaledDiff,\n        offX = 0;\n    /*\n      Adjust positioning:\n        x/y attributes in SVG correspond to the bottom-left corner of text bounding box\n        fabric output by default at top, left.\n    */\n    if (parsedAnchor === 'center') {\n      offX = text.getScaledWidth() / 2;\n    }\n    if (parsedAnchor === 'right') {\n      offX = text.getScaledWidth();\n    }\n    text.set({\n      left: text.left - offX,\n      top: text.top - (textHeight - text.fontSize * (0.07 + text._fontSizeFraction)) / text.lineHeight,\n      strokeWidth: typeof originalStrokeWidth !== 'undefined' ? originalStrokeWidth : 1,\n    });\n    callback(text);\n  };\n  /* _FROM_SVG_END_ */\n\n  /**\n   * Returns fabric.Text instance from an object representation\n   * @static\n   * @memberOf fabric.Text\n   * @param {Object} object plain js Object to create an instance from\n   * @param {Function} [callback] Callback to invoke when an fabric.Text instance is created\n   */\n  fabric.Text.fromObject = function(object, callback) {\n    var objectCopy = clone(object), path = object.path;\n    delete objectCopy.path;\n    return fabric.Object._fromObject('Text', objectCopy, function(textInstance) {\n      if (path) {\n        fabric.Object._fromObject('Path', path, function(pathInstance) {\n          textInstance.set('path', pathInstance);\n          callback(textInstance);\n        }, 'path');\n      }\n      else {\n        callback(textInstance);\n      }\n    }, 'text');\n  };\n\n  fabric.Text.genericFonts = ['sans-serif', 'serif', 'cursive', 'fantasy', 'monospace'];\n\n  fabric.util.createAccessors && fabric.util.createAccessors(fabric.Text);\n\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function() {\n  fabric.util.object.extend(fabric.Text.prototype, /** @lends fabric.Text.prototype */ {\n    /**\n     * Returns true if object has no styling or no styling in a line\n     * @param {Number} lineIndex , lineIndex is on wrapped lines.\n     * @return {Boolean}\n     */\n    isEmptyStyles: function(lineIndex) {\n      if (!this.styles) {\n        return true;\n      }\n      if (typeof lineIndex !== 'undefined' && !this.styles[lineIndex]) {\n        return true;\n      }\n      var obj = typeof lineIndex === 'undefined' ? this.styles : { line: this.styles[lineIndex] };\n      for (var p1 in obj) {\n        for (var p2 in obj[p1]) {\n          // eslint-disable-next-line no-unused-vars\n          for (var p3 in obj[p1][p2]) {\n            return false;\n          }\n        }\n      }\n      return true;\n    },\n\n    /**\n     * Returns true if object has a style property or has it ina specified line\n     * This function is used to detect if a text will use a particular property or not.\n     * @param {String} property to check for\n     * @param {Number} lineIndex to check the style on\n     * @return {Boolean}\n     */\n    styleHas: function(property, lineIndex) {\n      if (!this.styles || !property || property === '') {\n        return false;\n      }\n      if (typeof lineIndex !== 'undefined' && !this.styles[lineIndex]) {\n        return false;\n      }\n      var obj = typeof lineIndex === 'undefined' ? this.styles : { 0: this.styles[lineIndex] };\n      // eslint-disable-next-line\n      for (var p1 in obj) {\n        // eslint-disable-next-line\n        for (var p2 in obj[p1]) {\n          if (typeof obj[p1][p2][property] !== 'undefined') {\n            return true;\n          }\n        }\n      }\n      return false;\n    },\n\n    /**\n     * Check if characters in a text have a value for a property\n     * whose value matches the textbox's value for that property.  If so,\n     * the character-level property is deleted.  If the character\n     * has no other properties, then it is also deleted.  Finally,\n     * if the line containing that character has no other characters\n     * then it also is deleted.\n     *\n     * @param {string} property The property to compare between characters and text.\n     */\n    cleanStyle: function(property) {\n      if (!this.styles || !property || property === '') {\n        return false;\n      }\n      var obj = this.styles, stylesCount = 0, letterCount, stylePropertyValue,\n          allStyleObjectPropertiesMatch = true, graphemeCount = 0, styleObject;\n      // eslint-disable-next-line\n      for (var p1 in obj) {\n        letterCount = 0;\n        // eslint-disable-next-line\n        for (var p2 in obj[p1]) {\n          var styleObject = obj[p1][p2],\n              stylePropertyHasBeenSet = styleObject.hasOwnProperty(property);\n\n          stylesCount++;\n\n          if (stylePropertyHasBeenSet) {\n            if (!stylePropertyValue) {\n              stylePropertyValue = styleObject[property];\n            }\n            else if (styleObject[property] !== stylePropertyValue) {\n              allStyleObjectPropertiesMatch = false;\n            }\n\n            if (styleObject[property] === this[property]) {\n              delete styleObject[property];\n            }\n          }\n          else {\n            allStyleObjectPropertiesMatch = false;\n          }\n\n          if (Object.keys(styleObject).length !== 0) {\n            letterCount++;\n          }\n          else {\n            delete obj[p1][p2];\n          }\n        }\n\n        if (letterCount === 0) {\n          delete obj[p1];\n        }\n      }\n      // if every grapheme has the same style set then\n      // delete those styles and set it on the parent\n      for (var i = 0; i < this._textLines.length; i++) {\n        graphemeCount += this._textLines[i].length;\n      }\n      if (allStyleObjectPropertiesMatch && stylesCount === graphemeCount) {\n        this[property] = stylePropertyValue;\n        this.removeStyle(property);\n      }\n    },\n\n    /**\n     * Remove a style property or properties from all individual character styles\n     * in a text object.  Deletes the character style object if it contains no other style\n     * props.  Deletes a line style object if it contains no other character styles.\n     *\n     * @param {String} props The property to remove from character styles.\n     */\n    removeStyle: function(property) {\n      if (!this.styles || !property || property === '') {\n        return;\n      }\n      var obj = this.styles, line, lineNum, charNum;\n      for (lineNum in obj) {\n        line = obj[lineNum];\n        for (charNum in line) {\n          delete line[charNum][property];\n          if (Object.keys(line[charNum]).length === 0) {\n            delete line[charNum];\n          }\n        }\n        if (Object.keys(line).length === 0) {\n          delete obj[lineNum];\n        }\n      }\n    },\n\n    /**\n     * @private\n     */\n    _extendStyles: function(index, styles) {\n      var loc = this.get2DCursorLocation(index);\n\n      if (!this._getLineStyle(loc.lineIndex)) {\n        this._setLineStyle(loc.lineIndex);\n      }\n\n      if (!this._getStyleDeclaration(loc.lineIndex, loc.charIndex)) {\n        this._setStyleDeclaration(loc.lineIndex, loc.charIndex, {});\n      }\n\n      fabric.util.object.extend(this._getStyleDeclaration(loc.lineIndex, loc.charIndex), styles);\n    },\n\n    /**\n     * Returns 2d representation (lineIndex and charIndex) of cursor (or selection start)\n     * @param {Number} [selectionStart] Optional index. When not given, current selectionStart is used.\n     * @param {Boolean} [skipWrapping] consider the location for unwrapped lines. useful to manage styles.\n     */\n    get2DCursorLocation: function(selectionStart, skipWrapping) {\n      if (typeof selectionStart === 'undefined') {\n        selectionStart = this.selectionStart;\n      }\n      var lines = skipWrapping ? this._unwrappedTextLines : this._textLines,\n          len = lines.length;\n      for (var i = 0; i < len; i++) {\n        if (selectionStart <= lines[i].length) {\n          return {\n            lineIndex: i,\n            charIndex: selectionStart\n          };\n        }\n        selectionStart -= lines[i].length + this.missingNewlineOffset(i);\n      }\n      return {\n        lineIndex: i - 1,\n        charIndex: lines[i - 1].length < selectionStart ? lines[i - 1].length : selectionStart\n      };\n    },\n\n    /**\n     * Gets style of a current selection/cursor (at the start position)\n     * if startIndex or endIndex are not provided, selectionStart or selectionEnd will be used.\n     * @param {Number} [startIndex] Start index to get styles at\n     * @param {Number} [endIndex] End index to get styles at, if not specified selectionEnd or startIndex + 1\n     * @param {Boolean} [complete] get full style or not\n     * @return {Array} styles an array with one, zero or more Style objects\n     */\n    getSelectionStyles: function(startIndex, endIndex, complete) {\n      if (typeof startIndex === 'undefined') {\n        startIndex = this.selectionStart || 0;\n      }\n      if (typeof endIndex === 'undefined') {\n        endIndex = this.selectionEnd || startIndex;\n      }\n      var styles = [];\n      for (var i = startIndex; i < endIndex; i++) {\n        styles.push(this.getStyleAtPosition(i, complete));\n      }\n      return styles;\n    },\n\n    /**\n     * Gets style of a current selection/cursor position\n     * @param {Number} position  to get styles at\n     * @param {Boolean} [complete] full style if true\n     * @return {Object} style Style object at a specified index\n     * @private\n     */\n    getStyleAtPosition: function(position, complete) {\n      var loc = this.get2DCursorLocation(position),\n          style = complete ? this.getCompleteStyleDeclaration(loc.lineIndex, loc.charIndex) :\n            this._getStyleDeclaration(loc.lineIndex, loc.charIndex);\n      return style || {};\n    },\n\n    /**\n     * Sets style of a current selection, if no selection exist, do not set anything.\n     * @param {Object} [styles] Styles object\n     * @param {Number} [startIndex] Start index to get styles at\n     * @param {Number} [endIndex] End index to get styles at, if not specified selectionEnd or startIndex + 1\n     * @return {fabric.IText} thisArg\n     * @chainable\n     */\n    setSelectionStyles: function(styles, startIndex, endIndex) {\n      if (typeof startIndex === 'undefined') {\n        startIndex = this.selectionStart || 0;\n      }\n      if (typeof endIndex === 'undefined') {\n        endIndex = this.selectionEnd || startIndex;\n      }\n      for (var i = startIndex; i < endIndex; i++) {\n        this._extendStyles(i, styles);\n      }\n      /* not included in _extendStyles to avoid clearing cache more than once */\n      this._forceClearCache = true;\n      return this;\n    },\n\n    /**\n     * get the reference, not a clone, of the style object for a given character\n     * @param {Number} lineIndex\n     * @param {Number} charIndex\n     * @return {Object} style object\n     */\n    _getStyleDeclaration: function(lineIndex, charIndex) {\n      var lineStyle = this.styles && this.styles[lineIndex];\n      if (!lineStyle) {\n        return null;\n      }\n      return lineStyle[charIndex];\n    },\n\n    /**\n     * return a new object that contains all the style property for a character\n     * the object returned is newly created\n     * @param {Number} lineIndex of the line where the character is\n     * @param {Number} charIndex position of the character on the line\n     * @return {Object} style object\n     */\n    getCompleteStyleDeclaration: function(lineIndex, charIndex) {\n      var style = this._getStyleDeclaration(lineIndex, charIndex) || { },\n          styleObject = { }, prop;\n      for (var i = 0; i < this._styleProperties.length; i++) {\n        prop = this._styleProperties[i];\n        styleObject[prop] = typeof style[prop] === 'undefined' ? this[prop] : style[prop];\n      }\n      return styleObject;\n    },\n\n    /**\n     * @param {Number} lineIndex\n     * @param {Number} charIndex\n     * @param {Object} style\n     * @private\n     */\n    _setStyleDeclaration: function(lineIndex, charIndex, style) {\n      this.styles[lineIndex][charIndex] = style;\n    },\n\n    /**\n     *\n     * @param {Number} lineIndex\n     * @param {Number} charIndex\n     * @private\n     */\n    _deleteStyleDeclaration: function(lineIndex, charIndex) {\n      delete this.styles[lineIndex][charIndex];\n    },\n\n    /**\n     * @param {Number} lineIndex\n     * @return {Boolean} if the line exists or not\n     * @private\n     */\n    _getLineStyle: function(lineIndex) {\n      return !!this.styles[lineIndex];\n    },\n\n    /**\n     * Set the line style to an empty object so that is initialized\n     * @param {Number} lineIndex\n     * @private\n     */\n    _setLineStyle: function(lineIndex) {\n      this.styles[lineIndex] = {};\n    },\n\n    /**\n     * @param {Number} lineIndex\n     * @private\n     */\n    _deleteLineStyle: function(lineIndex) {\n      delete this.styles[lineIndex];\n    }\n  });\n})();\n\n\n(function() {\n\n  function parseDecoration(object) {\n    if (object.textDecoration) {\n      object.textDecoration.indexOf('underline') > -1 && (object.underline = true);\n      object.textDecoration.indexOf('line-through') > -1 && (object.linethrough = true);\n      object.textDecoration.indexOf('overline') > -1 && (object.overline = true);\n      delete object.textDecoration;\n    }\n  }\n\n  /**\n   * IText class (introduced in <b>v1.4</b>) Events are also fired with \"text:\"\n   * prefix when observing canvas.\n   * @class fabric.IText\n   * @extends fabric.Text\n   * @mixes fabric.Observable\n   *\n   * @fires changed\n   * @fires selection:changed\n   * @fires editing:entered\n   * @fires editing:exited\n   *\n   * @return {fabric.IText} thisArg\n   * @see {@link fabric.IText#initialize} for constructor definition\n   *\n   * <p>Supported key combinations:</p>\n   * <pre>\n   *   Move cursor:                    left, right, up, down\n   *   Select character:               shift + left, shift + right\n   *   Select text vertically:         shift + up, shift + down\n   *   Move cursor by word:            alt + left, alt + right\n   *   Select words:                   shift + alt + left, shift + alt + right\n   *   Move cursor to line start/end:  cmd + left, cmd + right or home, end\n   *   Select till start/end of line:  cmd + shift + left, cmd + shift + right or shift + home, shift + end\n   *   Jump to start/end of text:      cmd + up, cmd + down\n   *   Select till start/end of text:  cmd + shift + up, cmd + shift + down or shift + pgUp, shift + pgDown\n   *   Delete character:               backspace\n   *   Delete word:                    alt + backspace\n   *   Delete line:                    cmd + backspace\n   *   Forward delete:                 delete\n   *   Copy text:                      ctrl/cmd + c\n   *   Paste text:                     ctrl/cmd + v\n   *   Cut text:                       ctrl/cmd + x\n   *   Select entire text:             ctrl/cmd + a\n   *   Quit editing                    tab or esc\n   * </pre>\n   *\n   * <p>Supported mouse/touch combination</p>\n   * <pre>\n   *   Position cursor:                click/touch\n   *   Create selection:               click/touch & drag\n   *   Create selection:               click & shift + click\n   *   Select word:                    double click\n   *   Select line:                    triple click\n   * </pre>\n   */\n  fabric.IText = fabric.util.createClass(fabric.Text, fabric.Observable, /** @lends fabric.IText.prototype */ {\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'i-text',\n\n    /**\n     * Index where text selection starts (or where cursor is when there is no selection)\n     * @type Number\n     * @default\n     */\n    selectionStart: 0,\n\n    /**\n     * Index where text selection ends\n     * @type Number\n     * @default\n     */\n    selectionEnd: 0,\n\n    /**\n     * Color of text selection\n     * @type String\n     * @default\n     */\n    selectionColor: 'rgba(17,119,255,0.3)',\n\n    /**\n     * Indicates whether text is in editing mode\n     * @type Boolean\n     * @default\n     */\n    isEditing: false,\n\n    /**\n     * Indicates whether a text can be edited\n     * @type Boolean\n     * @default\n     */\n    editable: true,\n\n    /**\n     * Border color of text object while it's in editing mode\n     * @type String\n     * @default\n     */\n    editingBorderColor: 'rgba(102,153,255,0.25)',\n\n    /**\n     * Width of cursor (in px)\n     * @type Number\n     * @default\n     */\n    cursorWidth: 2,\n\n    /**\n     * Color of text cursor color in editing mode.\n     * if not set (default) will take color from the text.\n     * if set to a color value that fabric can understand, it will\n     * be used instead of the color of the text at the current position.\n     * @type String\n     * @default\n     */\n    cursorColor: '',\n\n    /**\n     * Delay between cursor blink (in ms)\n     * @type Number\n     * @default\n     */\n    cursorDelay: 1000,\n\n    /**\n     * Duration of cursor fadein (in ms)\n     * @type Number\n     * @default\n     */\n    cursorDuration: 600,\n\n    /**\n     * Indicates whether internal text char widths can be cached\n     * @type Boolean\n     * @default\n     */\n    caching: true,\n\n    /**\n     * @private\n     */\n    _reSpace: /\\s|\\n/,\n\n    /**\n     * @private\n     */\n    _currentCursorOpacity: 0,\n\n    /**\n     * @private\n     */\n    _selectionDirection: null,\n\n    /**\n     * @private\n     */\n    _abortCursorAnimation: false,\n\n    /**\n     * @private\n     */\n    __widthOfSpace: [],\n\n    /**\n     * Helps determining when the text is in composition, so that the cursor\n     * rendering is altered.\n     */\n    inCompositionMode: false,\n\n    /**\n     * Constructor\n     * @param {String} text Text string\n     * @param {Object} [options] Options object\n     * @return {fabric.IText} thisArg\n     */\n    initialize: function(text, options) {\n      this.callSuper('initialize', text, options);\n      this.initBehavior();\n    },\n\n    /**\n     * Sets selection start (left boundary of a selection)\n     * @param {Number} index Index to set selection start to\n     */\n    setSelectionStart: function(index) {\n      index = Math.max(index, 0);\n      this._updateAndFire('selectionStart', index);\n    },\n\n    /**\n     * Sets selection end (right boundary of a selection)\n     * @param {Number} index Index to set selection end to\n     */\n    setSelectionEnd: function(index) {\n      index = Math.min(index, this.text.length);\n      this._updateAndFire('selectionEnd', index);\n    },\n\n    /**\n     * @private\n     * @param {String} property 'selectionStart' or 'selectionEnd'\n     * @param {Number} index new position of property\n     */\n    _updateAndFire: function(property, index) {\n      if (this[property] !== index) {\n        this._fireSelectionChanged();\n        this[property] = index;\n      }\n      this._updateTextarea();\n    },\n\n    /**\n     * Fires the even of selection changed\n     * @private\n     */\n    _fireSelectionChanged: function() {\n      this.fire('selection:changed');\n      this.canvas && this.canvas.fire('text:selection:changed', { target: this });\n    },\n\n    /**\n     * Initialize text dimensions. Render all text on given context\n     * or on a offscreen canvas to get the text width with measureText.\n     * Updates this.width and this.height with the proper values.\n     * Does not return dimensions.\n     * @private\n     */\n    initDimensions: function() {\n      this.isEditing && this.initDelayedCursor();\n      this.clearContextTop();\n      this.callSuper('initDimensions');\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    render: function(ctx) {\n      this.clearContextTop();\n      this.callSuper('render', ctx);\n      // clear the cursorOffsetCache, so we ensure to calculate once per renderCursor\n      // the correct position but not at every cursor animation.\n      this.cursorOffsetCache = { };\n      this.renderCursorOrSelection();\n    },\n\n    /**\n     * @private\n     * @param {CanvasRenderingContext2D} ctx Context to render on\n     */\n    _render: function(ctx) {\n      this.callSuper('_render', ctx);\n    },\n\n    /**\n     * Prepare and clean the contextTop\n     */\n    clearContextTop: function(skipRestore) {\n      if (!this.isEditing || !this.canvas || !this.canvas.contextTop) {\n        return;\n      }\n      var ctx = this.canvas.contextTop, v = this.canvas.viewportTransform;\n      ctx.save();\n      ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]);\n      this.transform(ctx);\n      this._clearTextArea(ctx);\n      skipRestore || ctx.restore();\n    },\n    /**\n     * Renders cursor or selection (depending on what exists)\n     * it does on the contextTop. If contextTop is not available, do nothing.\n     */\n    renderCursorOrSelection: function() {\n      if (!this.isEditing || !this.canvas || !this.canvas.contextTop) {\n        return;\n      }\n      var boundaries = this._getCursorBoundaries(),\n          ctx = this.canvas.contextTop;\n      this.clearContextTop(true);\n      if (this.selectionStart === this.selectionEnd) {\n        this.renderCursor(boundaries, ctx);\n      }\n      else {\n        this.renderSelection(boundaries, ctx);\n      }\n      ctx.restore();\n    },\n\n    _clearTextArea: function(ctx) {\n      // we add 4 pixel, to be sure to do not leave any pixel out\n      var width = this.width + 4, height = this.height + 4;\n      ctx.clearRect(-width / 2, -height / 2, width, height);\n    },\n\n    /**\n     * Returns cursor boundaries (left, top, leftOffset, topOffset)\n     * @private\n     * @param {Array} chars Array of characters\n     * @param {String} typeOfBoundaries\n     */\n    _getCursorBoundaries: function(position) {\n\n      // left/top are left/top of entire text box\n      // leftOffset/topOffset are offset from that left/top point of a text box\n\n      if (typeof position === 'undefined') {\n        position = this.selectionStart;\n      }\n\n      var left = this._getLeftOffset(),\n          top = this._getTopOffset(),\n          offsets = this._getCursorBoundariesOffsets(position);\n      return {\n        left: left,\n        top: top,\n        leftOffset: offsets.left,\n        topOffset: offsets.top\n      };\n    },\n\n    /**\n     * @private\n     */\n    _getCursorBoundariesOffsets: function(position) {\n      if (this.cursorOffsetCache && 'top' in this.cursorOffsetCache) {\n        return this.cursorOffsetCache;\n      }\n      var lineLeftOffset,\n          lineIndex,\n          charIndex,\n          topOffset = 0,\n          leftOffset = 0,\n          boundaries,\n          cursorPosition = this.get2DCursorLocation(position);\n      charIndex = cursorPosition.charIndex;\n      lineIndex = cursorPosition.lineIndex;\n      for (var i = 0; i < lineIndex; i++) {\n        topOffset += this.getHeightOfLine(i);\n      }\n      lineLeftOffset = this._getLineLeftOffset(lineIndex);\n      var bound = this.__charBounds[lineIndex][charIndex];\n      bound && (leftOffset = bound.left);\n      if (this.charSpacing !== 0 && charIndex === this._textLines[lineIndex].length) {\n        leftOffset -= this._getWidthOfCharSpacing();\n      }\n      boundaries = {\n        top: topOffset,\n        left: lineLeftOffset + (leftOffset > 0 ? leftOffset : 0),\n      };\n      if (this.direction === 'rtl') {\n        boundaries.left *= -1;\n      }\n      this.cursorOffsetCache = boundaries;\n      return this.cursorOffsetCache;\n    },\n\n    /**\n     * Renders cursor\n     * @param {Object} boundaries\n     * @param {CanvasRenderingContext2D} ctx transformed context to draw on\n     */\n    renderCursor: function(boundaries, ctx) {\n      var cursorLocation = this.get2DCursorLocation(),\n          lineIndex = cursorLocation.lineIndex,\n          charIndex = cursorLocation.charIndex > 0 ? cursorLocation.charIndex - 1 : 0,\n          charHeight = this.getValueOfPropertyAt(lineIndex, charIndex, 'fontSize'),\n          multiplier = this.scaleX * this.canvas.getZoom(),\n          cursorWidth = this.cursorWidth / multiplier,\n          topOffset = boundaries.topOffset,\n          dy = this.getValueOfPropertyAt(lineIndex, charIndex, 'deltaY');\n      topOffset += (1 - this._fontSizeFraction) * this.getHeightOfLine(lineIndex) / this.lineHeight\n        - charHeight * (1 - this._fontSizeFraction);\n\n      if (this.inCompositionMode) {\n        this.renderSelection(boundaries, ctx);\n      }\n      ctx.fillStyle = this.cursorColor || this.getValueOfPropertyAt(lineIndex, charIndex, 'fill');\n      ctx.globalAlpha = this.__isMousedown ? 1 : this._currentCursorOpacity;\n      ctx.fillRect(\n        boundaries.left + boundaries.leftOffset - cursorWidth / 2,\n        topOffset + boundaries.top + dy,\n        cursorWidth,\n        charHeight);\n    },\n\n    /**\n     * Renders text selection\n     * @param {Object} boundaries Object with left/top/leftOffset/topOffset\n     * @param {CanvasRenderingContext2D} ctx transformed context to draw on\n     */\n    renderSelection: function(boundaries, ctx) {\n\n      var selectionStart = this.inCompositionMode ? this.hiddenTextarea.selectionStart : this.selectionStart,\n          selectionEnd = this.inCompositionMode ? this.hiddenTextarea.selectionEnd : this.selectionEnd,\n          isJustify = this.textAlign.indexOf('justify') !== -1,\n          start = this.get2DCursorLocation(selectionStart),\n          end = this.get2DCursorLocation(selectionEnd),\n          startLine = start.lineIndex,\n          endLine = end.lineIndex,\n          startChar = start.charIndex < 0 ? 0 : start.charIndex,\n          endChar = end.charIndex < 0 ? 0 : end.charIndex;\n\n      for (var i = startLine; i <= endLine; i++) {\n        var lineOffset = this._getLineLeftOffset(i) || 0,\n            lineHeight = this.getHeightOfLine(i),\n            realLineHeight = 0, boxStart = 0, boxEnd = 0;\n\n        if (i === startLine) {\n          boxStart = this.__charBounds[startLine][startChar].left;\n        }\n        if (i >= startLine && i < endLine) {\n          boxEnd = isJustify && !this.isEndOfWrapping(i) ? this.width : this.getLineWidth(i) || 5; // WTF is this 5?\n        }\n        else if (i === endLine) {\n          if (endChar === 0) {\n            boxEnd = this.__charBounds[endLine][endChar].left;\n          }\n          else {\n            var charSpacing = this._getWidthOfCharSpacing();\n            boxEnd = this.__charBounds[endLine][endChar - 1].left\n              + this.__charBounds[endLine][endChar - 1].width - charSpacing;\n          }\n        }\n        realLineHeight = lineHeight;\n        if (this.lineHeight < 1 || (i === endLine && this.lineHeight > 1)) {\n          lineHeight /= this.lineHeight;\n        }\n        var drawStart = boundaries.left + lineOffset + boxStart,\n            drawWidth = boxEnd - boxStart,\n            drawHeight = lineHeight, extraTop = 0;\n        if (this.inCompositionMode) {\n          ctx.fillStyle = this.compositionColor || 'black';\n          drawHeight = 1;\n          extraTop = lineHeight;\n        }\n        else {\n          ctx.fillStyle = this.selectionColor;\n        }\n        if (this.direction === 'rtl') {\n          drawStart = this.width - drawStart - drawWidth;\n        }\n        ctx.fillRect(\n          drawStart,\n          boundaries.top + boundaries.topOffset + extraTop,\n          drawWidth,\n          drawHeight);\n        boundaries.topOffset += realLineHeight;\n      }\n    },\n\n    /**\n     * High level function to know the height of the cursor.\n     * the currentChar is the one that precedes the cursor\n     * Returns fontSize of char at the current cursor\n     * Unused from the library, is for the end user\n     * @return {Number} Character font size\n     */\n    getCurrentCharFontSize: function() {\n      var cp = this._getCurrentCharIndex();\n      return this.getValueOfPropertyAt(cp.l, cp.c, 'fontSize');\n    },\n\n    /**\n     * High level function to know the color of the cursor.\n     * the currentChar is the one that precedes the cursor\n     * Returns color (fill) of char at the current cursor\n     * if the text object has a pattern or gradient for filler, it will return that.\n     * Unused by the library, is for the end user\n     * @return {String | fabric.Gradient | fabric.Pattern} Character color (fill)\n     */\n    getCurrentCharColor: function() {\n      var cp = this._getCurrentCharIndex();\n      return this.getValueOfPropertyAt(cp.l, cp.c, 'fill');\n    },\n\n    /**\n     * Returns the cursor position for the getCurrent.. functions\n     * @private\n     */\n    _getCurrentCharIndex: function() {\n      var cursorPosition = this.get2DCursorLocation(this.selectionStart, true),\n          charIndex = cursorPosition.charIndex > 0 ? cursorPosition.charIndex - 1 : 0;\n      return { l: cursorPosition.lineIndex, c: charIndex };\n    }\n  });\n\n  /**\n   * Returns fabric.IText instance from an object representation\n   * @static\n   * @memberOf fabric.IText\n   * @param {Object} object Object to create an instance from\n   * @param {function} [callback] invoked with new instance as argument\n   */\n  fabric.IText.fromObject = function(object, callback) {\n    parseDecoration(object);\n    if (object.styles) {\n      for (var i in object.styles) {\n        for (var j in object.styles[i]) {\n          parseDecoration(object.styles[i][j]);\n        }\n      }\n    }\n    fabric.Object._fromObject('IText', object, callback, 'text');\n  };\n})();\n\n\n(function() {\n\n  var clone = fabric.util.object.clone;\n\n  fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.prototype */ {\n\n    /**\n     * Initializes all the interactive behavior of IText\n     */\n    initBehavior: function() {\n      this.initAddedHandler();\n      this.initRemovedHandler();\n      this.initCursorSelectionHandlers();\n      this.initDoubleClickSimulation();\n      this.mouseMoveHandler = this.mouseMoveHandler.bind(this);\n    },\n\n    onDeselect: function() {\n      this.isEditing && this.exitEditing();\n      this.selected = false;\n    },\n\n    /**\n     * Initializes \"added\" event handler\n     */\n    initAddedHandler: function() {\n      var _this = this;\n      this.on('added', function() {\n        var canvas = _this.canvas;\n        if (canvas) {\n          if (!canvas._hasITextHandlers) {\n            canvas._hasITextHandlers = true;\n            _this._initCanvasHandlers(canvas);\n          }\n          canvas._iTextInstances = canvas._iTextInstances || [];\n          canvas._iTextInstances.push(_this);\n        }\n      });\n    },\n\n    initRemovedHandler: function() {\n      var _this = this;\n      this.on('removed', function() {\n        var canvas = _this.canvas;\n        if (canvas) {\n          canvas._iTextInstances = canvas._iTextInstances || [];\n          fabric.util.removeFromArray(canvas._iTextInstances, _this);\n          if (canvas._iTextInstances.length === 0) {\n            canvas._hasITextHandlers = false;\n            _this._removeCanvasHandlers(canvas);\n          }\n        }\n      });\n    },\n\n    /**\n     * register canvas event to manage exiting on other instances\n     * @private\n     */\n    _initCanvasHandlers: function(canvas) {\n      canvas._mouseUpITextHandler = function() {\n        if (canvas._iTextInstances) {\n          canvas._iTextInstances.forEach(function(obj) {\n            obj.__isMousedown = false;\n          });\n        }\n      };\n      canvas.on('mouse:up', canvas._mouseUpITextHandler);\n    },\n\n    /**\n     * remove canvas event to manage exiting on other instances\n     * @private\n     */\n    _removeCanvasHandlers: function(canvas) {\n      canvas.off('mouse:up', canvas._mouseUpITextHandler);\n    },\n\n    /**\n     * @private\n     */\n    _tick: function() {\n      this._currentTickState = this._animateCursor(this, 1, this.cursorDuration, '_onTickComplete');\n    },\n\n    /**\n     * @private\n     */\n    _animateCursor: function(obj, targetOpacity, duration, completeMethod) {\n\n      var tickState;\n\n      tickState = {\n        isAborted: false,\n        abort: function() {\n          this.isAborted = true;\n        },\n      };\n\n      obj.animate('_currentCursorOpacity', targetOpacity, {\n        duration: duration,\n        onComplete: function() {\n          if (!tickState.isAborted) {\n            obj[completeMethod]();\n          }\n        },\n        onChange: function() {\n          // we do not want to animate a selection, only cursor\n          if (obj.canvas && obj.selectionStart === obj.selectionEnd) {\n            obj.renderCursorOrSelection();\n          }\n        },\n        abort: function() {\n          return tickState.isAborted;\n        }\n      });\n      return tickState;\n    },\n\n    /**\n     * @private\n     */\n    _onTickComplete: function() {\n\n      var _this = this;\n\n      if (this._cursorTimeout1) {\n        clearTimeout(this._cursorTimeout1);\n      }\n      this._cursorTimeout1 = setTimeout(function() {\n        _this._currentTickCompleteState = _this._animateCursor(_this, 0, this.cursorDuration / 2, '_tick');\n      }, 100);\n    },\n\n    /**\n     * Initializes delayed cursor\n     */\n    initDelayedCursor: function(restart) {\n      var _this = this,\n          delay = restart ? 0 : this.cursorDelay;\n\n      this.abortCursorAnimation();\n      this._currentCursorOpacity = 1;\n      this._cursorTimeout2 = setTimeout(function() {\n        _this._tick();\n      }, delay);\n    },\n\n    /**\n     * Aborts cursor animation and clears all timeouts\n     */\n    abortCursorAnimation: function() {\n      var shouldClear = this._currentTickState || this._currentTickCompleteState,\n          canvas = this.canvas;\n      this._currentTickState && this._currentTickState.abort();\n      this._currentTickCompleteState && this._currentTickCompleteState.abort();\n\n      clearTimeout(this._cursorTimeout1);\n      clearTimeout(this._cursorTimeout2);\n\n      this._currentCursorOpacity = 0;\n      // to clear just itext area we need to transform the context\n      // it may not be worth it\n      if (shouldClear && canvas) {\n        canvas.clearContext(canvas.contextTop || canvas.contextContainer);\n      }\n\n    },\n\n    /**\n     * Selects entire text\n     * @return {fabric.IText} thisArg\n     * @chainable\n     */\n    selectAll: function() {\n      this.selectionStart = 0;\n      this.selectionEnd = this._text.length;\n      this._fireSelectionChanged();\n      this._updateTextarea();\n      return this;\n    },\n\n    /**\n     * Returns selected text\n     * @return {String}\n     */\n    getSelectedText: function() {\n      return this._text.slice(this.selectionStart, this.selectionEnd).join('');\n    },\n\n    /**\n     * Find new selection index representing start of current word according to current selection index\n     * @param {Number} startFrom Current selection index\n     * @return {Number} New selection index\n     */\n    findWordBoundaryLeft: function(startFrom) {\n      var offset = 0, index = startFrom - 1;\n\n      // remove space before cursor first\n      if (this._reSpace.test(this._text[index])) {\n        while (this._reSpace.test(this._text[index])) {\n          offset++;\n          index--;\n        }\n      }\n      while (/\\S/.test(this._text[index]) && index > -1) {\n        offset++;\n        index--;\n      }\n\n      return startFrom - offset;\n    },\n\n    /**\n     * Find new selection index representing end of current word according to current selection index\n     * @param {Number} startFrom Current selection index\n     * @return {Number} New selection index\n     */\n    findWordBoundaryRight: function(startFrom) {\n      var offset = 0, index = startFrom;\n\n      // remove space after cursor first\n      if (this._reSpace.test(this._text[index])) {\n        while (this._reSpace.test(this._text[index])) {\n          offset++;\n          index++;\n        }\n      }\n      while (/\\S/.test(this._text[index]) && index < this._text.length) {\n        offset++;\n        index++;\n      }\n\n      return startFrom + offset;\n    },\n\n    /**\n     * Find new selection index representing start of current line according to current selection index\n     * @param {Number} startFrom Current selection index\n     * @return {Number} New selection index\n     */\n    findLineBoundaryLeft: function(startFrom) {\n      var offset = 0, index = startFrom - 1;\n\n      while (!/\\n/.test(this._text[index]) && index > -1) {\n        offset++;\n        index--;\n      }\n\n      return startFrom - offset;\n    },\n\n    /**\n     * Find new selection index representing end of current line according to current selection index\n     * @param {Number} startFrom Current selection index\n     * @return {Number} New selection index\n     */\n    findLineBoundaryRight: function(startFrom) {\n      var offset = 0, index = startFrom;\n\n      while (!/\\n/.test(this._text[index]) && index < this._text.length) {\n        offset++;\n        index++;\n      }\n\n      return startFrom + offset;\n    },\n\n    /**\n     * Finds index corresponding to beginning or end of a word\n     * @param {Number} selectionStart Index of a character\n     * @param {Number} direction 1 or -1\n     * @return {Number} Index of the beginning or end of a word\n     */\n    searchWordBoundary: function(selectionStart, direction) {\n      var text = this._text,\n          index     = this._reSpace.test(text[selectionStart]) ? selectionStart - 1 : selectionStart,\n          _char     = text[index],\n          // wrong\n          reNonWord = fabric.reNonWord;\n\n      while (!reNonWord.test(_char) && index > 0 && index < text.length) {\n        index += direction;\n        _char = text[index];\n      }\n      if (reNonWord.test(_char)) {\n        index += direction === 1 ? 0 : 1;\n      }\n      return index;\n    },\n\n    /**\n     * Selects a word based on the index\n     * @param {Number} selectionStart Index of a character\n     */\n    selectWord: function(selectionStart) {\n      selectionStart = selectionStart || this.selectionStart;\n      var newSelectionStart = this.searchWordBoundary(selectionStart, -1), /* search backwards */\n          newSelectionEnd = this.searchWordBoundary(selectionStart, 1); /* search forward */\n\n      this.selectionStart = newSelectionStart;\n      this.selectionEnd = newSelectionEnd;\n      this._fireSelectionChanged();\n      this._updateTextarea();\n      this.renderCursorOrSelection();\n    },\n\n    /**\n     * Selects a line based on the index\n     * @param {Number} selectionStart Index of a character\n     * @return {fabric.IText} thisArg\n     * @chainable\n     */\n    selectLine: function(selectionStart) {\n      selectionStart = selectionStart || this.selectionStart;\n      var newSelectionStart = this.findLineBoundaryLeft(selectionStart),\n          newSelectionEnd = this.findLineBoundaryRight(selectionStart);\n\n      this.selectionStart = newSelectionStart;\n      this.selectionEnd = newSelectionEnd;\n      this._fireSelectionChanged();\n      this._updateTextarea();\n      return this;\n    },\n\n    /**\n     * Enters editing state\n     * @return {fabric.IText} thisArg\n     * @chainable\n     */\n    enterEditing: function(e) {\n      if (this.isEditing || !this.editable) {\n        return;\n      }\n\n      if (this.canvas) {\n        this.canvas.calcOffset();\n        this.exitEditingOnOthers(this.canvas);\n      }\n\n      this.isEditing = true;\n\n      this.initHiddenTextarea(e);\n      this.hiddenTextarea.focus();\n      this.hiddenTextarea.value = this.text;\n      this._updateTextarea();\n      this._saveEditingProps();\n      this._setEditingProps();\n      this._textBeforeEdit = this.text;\n\n      this._tick();\n      this.fire('editing:entered');\n      this._fireSelectionChanged();\n      if (!this.canvas) {\n        return this;\n      }\n      this.canvas.fire('text:editing:entered', { target: this });\n      this.initMouseMoveHandler();\n      this.canvas.requestRenderAll();\n      return this;\n    },\n\n    exitEditingOnOthers: function(canvas) {\n      if (canvas._iTextInstances) {\n        canvas._iTextInstances.forEach(function(obj) {\n          obj.selected = false;\n          if (obj.isEditing) {\n            obj.exitEditing();\n          }\n        });\n      }\n    },\n\n    /**\n     * Initializes \"mousemove\" event handler\n     */\n    initMouseMoveHandler: function() {\n      this.canvas.on('mouse:move', this.mouseMoveHandler);\n    },\n\n    /**\n     * @private\n     */\n    mouseMoveHandler: function(options) {\n      if (!this.__isMousedown || !this.isEditing) {\n        return;\n      }\n\n      var newSelectionStart = this.getSelectionStartFromPointer(options.e),\n          currentStart = this.selectionStart,\n          currentEnd = this.selectionEnd;\n      if (\n        (newSelectionStart !== this.__selectionStartOnMouseDown || currentStart === currentEnd)\n        &&\n        (currentStart === newSelectionStart || currentEnd === newSelectionStart)\n      ) {\n        return;\n      }\n      if (newSelectionStart > this.__selectionStartOnMouseDown) {\n        this.selectionStart = this.__selectionStartOnMouseDown;\n        this.selectionEnd = newSelectionStart;\n      }\n      else {\n        this.selectionStart = newSelectionStart;\n        this.selectionEnd = this.__selectionStartOnMouseDown;\n      }\n      if (this.selectionStart !== currentStart || this.selectionEnd !== currentEnd) {\n        this.restartCursorIfNeeded();\n        this._fireSelectionChanged();\n        this._updateTextarea();\n        this.renderCursorOrSelection();\n      }\n    },\n\n    /**\n     * @private\n     */\n    _setEditingProps: function() {\n      this.hoverCursor = 'text';\n\n      if (this.canvas) {\n        this.canvas.defaultCursor = this.canvas.moveCursor = 'text';\n      }\n\n      this.borderColor = this.editingBorderColor;\n      this.hasControls = this.selectable = false;\n      this.lockMovementX = this.lockMovementY = true;\n    },\n\n    /**\n     * convert from textarea to grapheme indexes\n     */\n    fromStringToGraphemeSelection: function(start, end, text) {\n      var smallerTextStart = text.slice(0, start),\n          graphemeStart = fabric.util.string.graphemeSplit(smallerTextStart).length;\n      if (start === end) {\n        return { selectionStart: graphemeStart, selectionEnd: graphemeStart };\n      }\n      var smallerTextEnd = text.slice(start, end),\n          graphemeEnd = fabric.util.string.graphemeSplit(smallerTextEnd).length;\n      return { selectionStart: graphemeStart, selectionEnd: graphemeStart + graphemeEnd };\n    },\n\n    /**\n     * convert from fabric to textarea values\n     */\n    fromGraphemeToStringSelection: function(start, end, _text) {\n      var smallerTextStart = _text.slice(0, start),\n          graphemeStart = smallerTextStart.join('').length;\n      if (start === end) {\n        return { selectionStart: graphemeStart, selectionEnd: graphemeStart };\n      }\n      var smallerTextEnd = _text.slice(start, end),\n          graphemeEnd = smallerTextEnd.join('').length;\n      return { selectionStart: graphemeStart, selectionEnd: graphemeStart + graphemeEnd };\n    },\n\n    /**\n     * @private\n     */\n    _updateTextarea: function() {\n      this.cursorOffsetCache = { };\n      if (!this.hiddenTextarea) {\n        return;\n      }\n      if (!this.inCompositionMode) {\n        var newSelection = this.fromGraphemeToStringSelection(this.selectionStart, this.selectionEnd, this._text);\n        this.hiddenTextarea.selectionStart = newSelection.selectionStart;\n        this.hiddenTextarea.selectionEnd = newSelection.selectionEnd;\n      }\n      this.updateTextareaPosition();\n    },\n\n    /**\n     * @private\n     */\n    updateFromTextArea: function() {\n      if (!this.hiddenTextarea) {\n        return;\n      }\n      this.cursorOffsetCache = { };\n      this.text = this.hiddenTextarea.value;\n      if (this._shouldClearDimensionCache()) {\n        this.initDimensions();\n        this.setCoords();\n      }\n      var newSelection = this.fromStringToGraphemeSelection(\n        this.hiddenTextarea.selectionStart, this.hiddenTextarea.selectionEnd, this.hiddenTextarea.value);\n      this.selectionEnd = this.selectionStart = newSelection.selectionEnd;\n      if (!this.inCompositionMode) {\n        this.selectionStart = newSelection.selectionStart;\n      }\n      this.updateTextareaPosition();\n    },\n\n    /**\n     * @private\n     */\n    updateTextareaPosition: function() {\n      if (this.selectionStart === this.selectionEnd) {\n        var style = this._calcTextareaPosition();\n        this.hiddenTextarea.style.left = style.left;\n        this.hiddenTextarea.style.top = style.top;\n      }\n    },\n\n    /**\n     * @private\n     * @return {Object} style contains style for hiddenTextarea\n     */\n    _calcTextareaPosition: function() {\n      if (!this.canvas) {\n        return { x: 1, y: 1 };\n      }\n      var desiredPosition = this.inCompositionMode ? this.compositionStart : this.selectionStart,\n          boundaries = this._getCursorBoundaries(desiredPosition),\n          cursorLocation = this.get2DCursorLocation(desiredPosition),\n          lineIndex = cursorLocation.lineIndex,\n          charIndex = cursorLocation.charIndex,\n          charHeight = this.getValueOfPropertyAt(lineIndex, charIndex, 'fontSize') * this.lineHeight,\n          leftOffset = boundaries.leftOffset,\n          m = this.calcTransformMatrix(),\n          p = {\n            x: boundaries.left + leftOffset,\n            y: boundaries.top + boundaries.topOffset + charHeight\n          },\n          retinaScaling = this.canvas.getRetinaScaling(),\n          upperCanvas = this.canvas.upperCanvasEl,\n          upperCanvasWidth = upperCanvas.width / retinaScaling,\n          upperCanvasHeight = upperCanvas.height / retinaScaling,\n          maxWidth = upperCanvasWidth - charHeight,\n          maxHeight = upperCanvasHeight - charHeight,\n          scaleX = upperCanvas.clientWidth / upperCanvasWidth,\n          scaleY = upperCanvas.clientHeight / upperCanvasHeight;\n\n      p = fabric.util.transformPoint(p, m);\n      p = fabric.util.transformPoint(p, this.canvas.viewportTransform);\n      p.x *= scaleX;\n      p.y *= scaleY;\n      if (p.x < 0) {\n        p.x = 0;\n      }\n      if (p.x > maxWidth) {\n        p.x = maxWidth;\n      }\n      if (p.y < 0) {\n        p.y = 0;\n      }\n      if (p.y > maxHeight) {\n        p.y = maxHeight;\n      }\n\n      // add canvas offset on document\n      p.x += this.canvas._offset.left;\n      p.y += this.canvas._offset.top;\n\n      return { left: p.x + 'px', top: p.y + 'px', fontSize: charHeight + 'px', charHeight: charHeight };\n    },\n\n    /**\n     * @private\n     */\n    _saveEditingProps: function() {\n      this._savedProps = {\n        hasControls: this.hasControls,\n        borderColor: this.borderColor,\n        lockMovementX: this.lockMovementX,\n        lockMovementY: this.lockMovementY,\n        hoverCursor: this.hoverCursor,\n        selectable: this.selectable,\n        defaultCursor: this.canvas && this.canvas.defaultCursor,\n        moveCursor: this.canvas && this.canvas.moveCursor\n      };\n    },\n\n    /**\n     * @private\n     */\n    _restoreEditingProps: function() {\n      if (!this._savedProps) {\n        return;\n      }\n\n      this.hoverCursor = this._savedProps.hoverCursor;\n      this.hasControls = this._savedProps.hasControls;\n      this.borderColor = this._savedProps.borderColor;\n      this.selectable = this._savedProps.selectable;\n      this.lockMovementX = this._savedProps.lockMovementX;\n      this.lockMovementY = this._savedProps.lockMovementY;\n\n      if (this.canvas) {\n        this.canvas.defaultCursor = this._savedProps.defaultCursor;\n        this.canvas.moveCursor = this._savedProps.moveCursor;\n      }\n    },\n\n    /**\n     * Exits from editing state\n     * @return {fabric.IText} thisArg\n     * @chainable\n     */\n    exitEditing: function() {\n      var isTextChanged = (this._textBeforeEdit !== this.text);\n      var hiddenTextarea = this.hiddenTextarea;\n      this.selected = false;\n      this.isEditing = false;\n\n      this.selectionEnd = this.selectionStart;\n\n      if (hiddenTextarea) {\n        hiddenTextarea.blur && hiddenTextarea.blur();\n        hiddenTextarea.parentNode && hiddenTextarea.parentNode.removeChild(hiddenTextarea);\n      }\n      this.hiddenTextarea = null;\n      this.abortCursorAnimation();\n      this._restoreEditingProps();\n      this._currentCursorOpacity = 0;\n      if (this._shouldClearDimensionCache()) {\n        this.initDimensions();\n        this.setCoords();\n      }\n      this.fire('editing:exited');\n      isTextChanged && this.fire('modified');\n      if (this.canvas) {\n        this.canvas.off('mouse:move', this.mouseMoveHandler);\n        this.canvas.fire('text:editing:exited', { target: this });\n        isTextChanged && this.canvas.fire('object:modified', { target: this });\n      }\n      return this;\n    },\n\n    /**\n     * @private\n     */\n    _removeExtraneousStyles: function() {\n      for (var prop in this.styles) {\n        if (!this._textLines[prop]) {\n          delete this.styles[prop];\n        }\n      }\n    },\n\n    /**\n     * remove and reflow a style block from start to end.\n     * @param {Number} start linear start position for removal (included in removal)\n     * @param {Number} end linear end position for removal ( excluded from removal )\n     */\n    removeStyleFromTo: function(start, end) {\n      var cursorStart = this.get2DCursorLocation(start, true),\n          cursorEnd = this.get2DCursorLocation(end, true),\n          lineStart = cursorStart.lineIndex,\n          charStart = cursorStart.charIndex,\n          lineEnd = cursorEnd.lineIndex,\n          charEnd = cursorEnd.charIndex,\n          i, styleObj;\n      if (lineStart !== lineEnd) {\n        // step1 remove the trailing of lineStart\n        if (this.styles[lineStart]) {\n          for (i = charStart; i < this._unwrappedTextLines[lineStart].length; i++) {\n            delete this.styles[lineStart][i];\n          }\n        }\n        // step2 move the trailing of lineEnd to lineStart if needed\n        if (this.styles[lineEnd]) {\n          for (i = charEnd; i < this._unwrappedTextLines[lineEnd].length; i++) {\n            styleObj = this.styles[lineEnd][i];\n            if (styleObj) {\n              this.styles[lineStart] || (this.styles[lineStart] = { });\n              this.styles[lineStart][charStart + i - charEnd] = styleObj;\n            }\n          }\n        }\n        // step3 detects lines will be completely removed.\n        for (i = lineStart + 1; i <= lineEnd; i++) {\n          delete this.styles[i];\n        }\n        // step4 shift remaining lines.\n        this.shiftLineStyles(lineEnd, lineStart - lineEnd);\n      }\n      else {\n        // remove and shift left on the same line\n        if (this.styles[lineStart]) {\n          styleObj = this.styles[lineStart];\n          var diff = charEnd - charStart, numericChar, _char;\n          for (i = charStart; i < charEnd; i++) {\n            delete styleObj[i];\n          }\n          for (_char in this.styles[lineStart]) {\n            numericChar = parseInt(_char, 10);\n            if (numericChar >= charEnd) {\n              styleObj[numericChar - diff] = styleObj[_char];\n              delete styleObj[_char];\n            }\n          }\n        }\n      }\n    },\n\n    /**\n     * Shifts line styles up or down\n     * @param {Number} lineIndex Index of a line\n     * @param {Number} offset Can any number?\n     */\n    shiftLineStyles: function(lineIndex, offset) {\n      // shift all line styles by offset upward or downward\n      // do not clone deep. we need new array, not new style objects\n      var clonedStyles = clone(this.styles);\n      for (var line in this.styles) {\n        var numericLine = parseInt(line, 10);\n        if (numericLine > lineIndex) {\n          this.styles[numericLine + offset] = clonedStyles[numericLine];\n          if (!clonedStyles[numericLine - offset]) {\n            delete this.styles[numericLine];\n          }\n        }\n      }\n    },\n\n    restartCursorIfNeeded: function() {\n      if (!this._currentTickState || this._currentTickState.isAborted\n        || !this._currentTickCompleteState || this._currentTickCompleteState.isAborted\n      ) {\n        this.initDelayedCursor();\n      }\n    },\n\n    /**\n     * Handle insertion of more consecutive style lines for when one or more\n     * newlines gets added to the text. Since current style needs to be shifted\n     * first we shift the current style of the number lines needed, then we add\n     * new lines from the last to the first.\n     * @param {Number} lineIndex Index of a line\n     * @param {Number} charIndex Index of a char\n     * @param {Number} qty number of lines to add\n     * @param {Array} copiedStyle Array of objects styles\n     */\n    insertNewlineStyleObject: function(lineIndex, charIndex, qty, copiedStyle) {\n      var currentCharStyle,\n          newLineStyles = {},\n          somethingAdded = false,\n          isEndOfLine = this._unwrappedTextLines[lineIndex].length === charIndex;\n\n      qty || (qty = 1);\n      this.shiftLineStyles(lineIndex, qty);\n      if (this.styles[lineIndex]) {\n        currentCharStyle = this.styles[lineIndex][charIndex === 0 ? charIndex : charIndex - 1];\n      }\n      // we clone styles of all chars\n      // after cursor onto the current line\n      for (var index in this.styles[lineIndex]) {\n        var numIndex = parseInt(index, 10);\n        if (numIndex >= charIndex) {\n          somethingAdded = true;\n          newLineStyles[numIndex - charIndex] = this.styles[lineIndex][index];\n          // remove lines from the previous line since they're on a new line now\n          if (!(isEndOfLine && charIndex === 0)) {\n            delete this.styles[lineIndex][index];\n          }\n        }\n      }\n      var styleCarriedOver = false;\n      if (somethingAdded && !isEndOfLine) {\n        // if is end of line, the extra style we copied\n        // is probably not something we want\n        this.styles[lineIndex + qty] = newLineStyles;\n        styleCarriedOver = true;\n      }\n      if (styleCarriedOver) {\n        // skip the last line of since we already prepared it.\n        qty--;\n      }\n      // for the all the lines or all the other lines\n      // we clone current char style onto the next (otherwise empty) line\n      while (qty > 0) {\n        if (copiedStyle && copiedStyle[qty - 1]) {\n          this.styles[lineIndex + qty] = { 0: clone(copiedStyle[qty - 1]) };\n        }\n        else if (currentCharStyle) {\n          this.styles[lineIndex + qty] = { 0: clone(currentCharStyle) };\n        }\n        else {\n          delete this.styles[lineIndex + qty];\n        }\n        qty--;\n      }\n      this._forceClearCache = true;\n    },\n\n    /**\n     * Inserts style object for a given line/char index\n     * @param {Number} lineIndex Index of a line\n     * @param {Number} charIndex Index of a char\n     * @param {Number} quantity number Style object to insert, if given\n     * @param {Array} copiedStyle array of style objects\n     */\n    insertCharStyleObject: function(lineIndex, charIndex, quantity, copiedStyle) {\n      if (!this.styles) {\n        this.styles = {};\n      }\n      var currentLineStyles       = this.styles[lineIndex],\n          currentLineStylesCloned = currentLineStyles ? clone(currentLineStyles) : {};\n\n      quantity || (quantity = 1);\n      // shift all char styles by quantity forward\n      // 0,1,2,3 -> (charIndex=2) -> 0,1,3,4 -> (insert 2) -> 0,1,2,3,4\n      for (var index in currentLineStylesCloned) {\n        var numericIndex = parseInt(index, 10);\n        if (numericIndex >= charIndex) {\n          currentLineStyles[numericIndex + quantity] = currentLineStylesCloned[numericIndex];\n          // only delete the style if there was nothing moved there\n          if (!currentLineStylesCloned[numericIndex - quantity]) {\n            delete currentLineStyles[numericIndex];\n          }\n        }\n      }\n      this._forceClearCache = true;\n      if (copiedStyle) {\n        while (quantity--) {\n          if (!Object.keys(copiedStyle[quantity]).length) {\n            continue;\n          }\n          if (!this.styles[lineIndex]) {\n            this.styles[lineIndex] = {};\n          }\n          this.styles[lineIndex][charIndex + quantity] = clone(copiedStyle[quantity]);\n        }\n        return;\n      }\n      if (!currentLineStyles) {\n        return;\n      }\n      var newStyle = currentLineStyles[charIndex ? charIndex - 1 : 1];\n      while (newStyle && quantity--) {\n        this.styles[lineIndex][charIndex + quantity] = clone(newStyle);\n      }\n    },\n\n    /**\n     * Inserts style object(s)\n     * @param {Array} insertedText Characters at the location where style is inserted\n     * @param {Number} start cursor index for inserting style\n     * @param {Array} [copiedStyle] array of style objects to insert.\n     */\n    insertNewStyleBlock: function(insertedText, start, copiedStyle) {\n      var cursorLoc = this.get2DCursorLocation(start, true),\n          addedLines = [0], linesLength = 0;\n      // get an array of how many char per lines are being added.\n      for (var i = 0; i < insertedText.length; i++) {\n        if (insertedText[i] === '\\n') {\n          linesLength++;\n          addedLines[linesLength] = 0;\n        }\n        else {\n          addedLines[linesLength]++;\n        }\n      }\n      // for the first line copy the style from the current char position.\n      if (addedLines[0] > 0) {\n        this.insertCharStyleObject(cursorLoc.lineIndex, cursorLoc.charIndex, addedLines[0], copiedStyle);\n        copiedStyle = copiedStyle && copiedStyle.slice(addedLines[0] + 1);\n      }\n      linesLength && this.insertNewlineStyleObject(\n        cursorLoc.lineIndex, cursorLoc.charIndex + addedLines[0], linesLength);\n      for (var i = 1; i < linesLength; i++) {\n        if (addedLines[i] > 0) {\n          this.insertCharStyleObject(cursorLoc.lineIndex + i, 0, addedLines[i], copiedStyle);\n        }\n        else if (copiedStyle) {\n          this.styles[cursorLoc.lineIndex + i][0] = copiedStyle[0];\n        }\n        copiedStyle = copiedStyle && copiedStyle.slice(addedLines[i] + 1);\n      }\n      // we use i outside the loop to get it like linesLength\n      if (addedLines[i] > 0) {\n        this.insertCharStyleObject(cursorLoc.lineIndex + i, 0, addedLines[i], copiedStyle);\n      }\n    },\n\n    /**\n     * Set the selectionStart and selectionEnd according to the new position of cursor\n     * mimic the key - mouse navigation when shift is pressed.\n     */\n    setSelectionStartEndWithShift: function(start, end, newSelection) {\n      if (newSelection <= start) {\n        if (end === start) {\n          this._selectionDirection = 'left';\n        }\n        else if (this._selectionDirection === 'right') {\n          this._selectionDirection = 'left';\n          this.selectionEnd = start;\n        }\n        this.selectionStart = newSelection;\n      }\n      else if (newSelection > start && newSelection < end) {\n        if (this._selectionDirection === 'right') {\n          this.selectionEnd = newSelection;\n        }\n        else {\n          this.selectionStart = newSelection;\n        }\n      }\n      else {\n        // newSelection is > selection start and end\n        if (end === start) {\n          this._selectionDirection = 'right';\n        }\n        else if (this._selectionDirection === 'left') {\n          this._selectionDirection = 'right';\n          this.selectionStart = end;\n        }\n        this.selectionEnd = newSelection;\n      }\n    },\n\n    setSelectionInBoundaries: function() {\n      var length = this.text.length;\n      if (this.selectionStart > length) {\n        this.selectionStart = length;\n      }\n      else if (this.selectionStart < 0) {\n        this.selectionStart = 0;\n      }\n      if (this.selectionEnd > length) {\n        this.selectionEnd = length;\n      }\n      else if (this.selectionEnd < 0) {\n        this.selectionEnd = 0;\n      }\n    }\n  });\n})();\n\n\nfabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.prototype */ {\n  /**\n   * Initializes \"dbclick\" event handler\n   */\n  initDoubleClickSimulation: function() {\n\n    // for double click\n    this.__lastClickTime = +new Date();\n\n    // for triple click\n    this.__lastLastClickTime = +new Date();\n\n    this.__lastPointer = { };\n\n    this.on('mousedown', this.onMouseDown);\n  },\n\n  /**\n   * Default event handler to simulate triple click\n   * @private\n   */\n  onMouseDown: function(options) {\n    if (!this.canvas) {\n      return;\n    }\n    this.__newClickTime = +new Date();\n    var newPointer = options.pointer;\n    if (this.isTripleClick(newPointer)) {\n      this.fire('tripleclick', options);\n      this._stopEvent(options.e);\n    }\n    this.__lastLastClickTime = this.__lastClickTime;\n    this.__lastClickTime = this.__newClickTime;\n    this.__lastPointer = newPointer;\n    this.__lastIsEditing = this.isEditing;\n    this.__lastSelected = this.selected;\n  },\n\n  isTripleClick: function(newPointer) {\n    return this.__newClickTime - this.__lastClickTime < 500 &&\n        this.__lastClickTime - this.__lastLastClickTime < 500 &&\n        this.__lastPointer.x === newPointer.x &&\n        this.__lastPointer.y === newPointer.y;\n  },\n\n  /**\n   * @private\n   */\n  _stopEvent: function(e) {\n    e.preventDefault && e.preventDefault();\n    e.stopPropagation && e.stopPropagation();\n  },\n\n  /**\n   * Initializes event handlers related to cursor or selection\n   */\n  initCursorSelectionHandlers: function() {\n    this.initMousedownHandler();\n    this.initMouseupHandler();\n    this.initClicks();\n  },\n\n  /**\n   * Default handler for double click, select a word\n   */\n  doubleClickHandler: function(options) {\n    if (!this.isEditing) {\n      return;\n    }\n    this.selectWord(this.getSelectionStartFromPointer(options.e));\n  },\n\n  /**\n   * Default handler for triple click, select a line\n   */\n  tripleClickHandler: function(options) {\n    if (!this.isEditing) {\n      return;\n    }\n    this.selectLine(this.getSelectionStartFromPointer(options.e));\n  },\n\n  /**\n   * Initializes double and triple click event handlers\n   */\n  initClicks: function() {\n    this.on('mousedblclick', this.doubleClickHandler);\n    this.on('tripleclick', this.tripleClickHandler);\n  },\n\n  /**\n   * Default event handler for the basic functionalities needed on _mouseDown\n   * can be overridden to do something different.\n   * Scope of this implementation is: find the click position, set selectionStart\n   * find selectionEnd, initialize the drawing of either cursor or selection area\n   * initializing a mousedDown on a text area will cancel fabricjs knowledge of\n   * current compositionMode. It will be set to false.\n   */\n  _mouseDownHandler: function(options) {\n    if (!this.canvas || !this.editable || (options.e.button && options.e.button !== 1)) {\n      return;\n    }\n\n    this.__isMousedown = true;\n\n    if (this.selected) {\n      this.inCompositionMode = false;\n      this.setCursorByClick(options.e);\n    }\n\n    if (this.isEditing) {\n      this.__selectionStartOnMouseDown = this.selectionStart;\n      if (this.selectionStart === this.selectionEnd) {\n        this.abortCursorAnimation();\n      }\n      this.renderCursorOrSelection();\n    }\n  },\n\n  /**\n   * Default event handler for the basic functionalities needed on mousedown:before\n   * can be overridden to do something different.\n   * Scope of this implementation is: verify the object is already selected when mousing down\n   */\n  _mouseDownHandlerBefore: function(options) {\n    if (!this.canvas || !this.editable || (options.e.button && options.e.button !== 1)) {\n      return;\n    }\n    // we want to avoid that an object that was selected and then becomes unselectable,\n    // may trigger editing mode in some way.\n    this.selected = this === this.canvas._activeObject;\n  },\n\n  /**\n   * Initializes \"mousedown\" event handler\n   */\n  initMousedownHandler: function() {\n    this.on('mousedown', this._mouseDownHandler);\n    this.on('mousedown:before', this._mouseDownHandlerBefore);\n  },\n\n  /**\n   * Initializes \"mouseup\" event handler\n   */\n  initMouseupHandler: function() {\n    this.on('mouseup', this.mouseUpHandler);\n  },\n\n  /**\n   * standard handler for mouse up, overridable\n   * @private\n   */\n  mouseUpHandler: function(options) {\n    this.__isMousedown = false;\n    if (!this.editable || this.group ||\n      (options.transform && options.transform.actionPerformed) ||\n      (options.e.button && options.e.button !== 1)) {\n      return;\n    }\n\n    if (this.canvas) {\n      var currentActive = this.canvas._activeObject;\n      if (currentActive && currentActive !== this) {\n        // avoid running this logic when there is an active object\n        // this because is possible with shift click and fast clicks,\n        // to rapidly deselect and reselect this object and trigger an enterEdit\n        return;\n      }\n    }\n\n    if (this.__lastSelected && !this.__corner) {\n      this.selected = false;\n      this.__lastSelected = false;\n      this.enterEditing(options.e);\n      if (this.selectionStart === this.selectionEnd) {\n        this.initDelayedCursor(true);\n      }\n      else {\n        this.renderCursorOrSelection();\n      }\n    }\n    else {\n      this.selected = true;\n    }\n  },\n\n  /**\n   * Changes cursor location in a text depending on passed pointer (x/y) object\n   * @param {Event} e Event object\n   */\n  setCursorByClick: function(e) {\n    var newSelection = this.getSelectionStartFromPointer(e),\n        start = this.selectionStart, end = this.selectionEnd;\n    if (e.shiftKey) {\n      this.setSelectionStartEndWithShift(start, end, newSelection);\n    }\n    else {\n      this.selectionStart = newSelection;\n      this.selectionEnd = newSelection;\n    }\n    if (this.isEditing) {\n      this._fireSelectionChanged();\n      this._updateTextarea();\n    }\n  },\n\n  /**\n   * Returns index of a character corresponding to where an object was clicked\n   * @param {Event} e Event object\n   * @return {Number} Index of a character\n   */\n  getSelectionStartFromPointer: function(e) {\n    var mouseOffset = this.getLocalPointer(e),\n        prevWidth = 0,\n        width = 0,\n        height = 0,\n        charIndex = 0,\n        lineIndex = 0,\n        lineLeftOffset,\n        line;\n    for (var i = 0, len = this._textLines.length; i < len; i++) {\n      if (height <= mouseOffset.y) {\n        height += this.getHeightOfLine(i) * this.scaleY;\n        lineIndex = i;\n        if (i > 0) {\n          charIndex += this._textLines[i - 1].length + this.missingNewlineOffset(i - 1);\n        }\n      }\n      else {\n        break;\n      }\n    }\n    lineLeftOffset = this._getLineLeftOffset(lineIndex);\n    width = lineLeftOffset * this.scaleX;\n    line = this._textLines[lineIndex];\n    // handling of RTL: in order to get things work correctly,\n    // we assume RTL writing is mirrored compared to LTR writing.\n    // so in position detection we mirror the X offset, and when is time\n    // of rendering it, we mirror it again.\n    if (this.direction === 'rtl') {\n      mouseOffset.x = this.width * this.scaleX - mouseOffset.x + width;\n    }\n    for (var j = 0, jlen = line.length; j < jlen; j++) {\n      prevWidth = width;\n      // i removed something about flipX here, check.\n      width += this.__charBounds[lineIndex][j].kernedWidth * this.scaleX;\n      if (width <= mouseOffset.x) {\n        charIndex++;\n      }\n      else {\n        break;\n      }\n    }\n    return this._getNewSelectionStartFromOffset(mouseOffset, prevWidth, width, charIndex, jlen);\n  },\n\n  /**\n   * @private\n   */\n  _getNewSelectionStartFromOffset: function(mouseOffset, prevWidth, width, index, jlen) {\n    // we need Math.abs because when width is after the last char, the offset is given as 1, while is 0\n    var distanceBtwLastCharAndCursor = mouseOffset.x - prevWidth,\n        distanceBtwNextCharAndCursor = width - mouseOffset.x,\n        offset = distanceBtwNextCharAndCursor > distanceBtwLastCharAndCursor ||\n          distanceBtwNextCharAndCursor < 0 ? 0 : 1,\n        newSelectionStart = index + offset;\n    // if object is horizontally flipped, mirror cursor location from the end\n    if (this.flipX) {\n      newSelectionStart = jlen - newSelectionStart;\n    }\n\n    if (newSelectionStart > this._text.length) {\n      newSelectionStart = this._text.length;\n    }\n\n    return newSelectionStart;\n  }\n});\n\n\nfabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.prototype */ {\n\n  /**\n   * Initializes hidden textarea (needed to bring up keyboard in iOS)\n   */\n  initHiddenTextarea: function() {\n    this.hiddenTextarea = fabric.document.createElement('textarea');\n    this.hiddenTextarea.setAttribute('autocapitalize', 'off');\n    this.hiddenTextarea.setAttribute('autocorrect', 'off');\n    this.hiddenTextarea.setAttribute('autocomplete', 'off');\n    this.hiddenTextarea.setAttribute('spellcheck', 'false');\n    this.hiddenTextarea.setAttribute('data-fabric-hiddentextarea', '');\n    this.hiddenTextarea.setAttribute('wrap', 'off');\n    var style = this._calcTextareaPosition();\n    // line-height: 1px; was removed from the style to fix this:\n    // https://bugs.chromium.org/p/chromium/issues/detail?id=870966\n    this.hiddenTextarea.style.cssText = 'position: absolute; top: ' + style.top +\n    '; left: ' + style.left + '; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px;' +\n    ' paddingｰtop: ' + style.fontSize + ';';\n    fabric.document.body.appendChild(this.hiddenTextarea);\n\n    fabric.util.addListener(this.hiddenTextarea, 'keydown', this.onKeyDown.bind(this));\n    fabric.util.addListener(this.hiddenTextarea, 'keyup', this.onKeyUp.bind(this));\n    fabric.util.addListener(this.hiddenTextarea, 'input', this.onInput.bind(this));\n    fabric.util.addListener(this.hiddenTextarea, 'copy', this.copy.bind(this));\n    fabric.util.addListener(this.hiddenTextarea, 'cut', this.copy.bind(this));\n    fabric.util.addListener(this.hiddenTextarea, 'paste', this.paste.bind(this));\n    fabric.util.addListener(this.hiddenTextarea, 'compositionstart', this.onCompositionStart.bind(this));\n    fabric.util.addListener(this.hiddenTextarea, 'compositionupdate', this.onCompositionUpdate.bind(this));\n    fabric.util.addListener(this.hiddenTextarea, 'compositionend', this.onCompositionEnd.bind(this));\n\n    if (!this._clickHandlerInitialized && this.canvas) {\n      fabric.util.addListener(this.canvas.upperCanvasEl, 'click', this.onClick.bind(this));\n      this._clickHandlerInitialized = true;\n    }\n  },\n\n  /**\n   * For functionalities on keyDown\n   * Map a special key to a function of the instance/prototype\n   * If you need different behaviour for ESC or TAB or arrows, you have to change\n   * this map setting the name of a function that you build on the fabric.Itext or\n   * your prototype.\n   * the map change will affect all Instances unless you need for only some text Instances\n   * in that case you have to clone this object and assign your Instance.\n   * this.keysMap = fabric.util.object.clone(this.keysMap);\n   * The function must be in fabric.Itext.prototype.myFunction And will receive event as args[0]\n   */\n  keysMap: {\n    9:  'exitEditing',\n    27: 'exitEditing',\n    33: 'moveCursorUp',\n    34: 'moveCursorDown',\n    35: 'moveCursorRight',\n    36: 'moveCursorLeft',\n    37: 'moveCursorLeft',\n    38: 'moveCursorUp',\n    39: 'moveCursorRight',\n    40: 'moveCursorDown',\n  },\n\n  keysMapRtl: {\n    9:  'exitEditing',\n    27: 'exitEditing',\n    33: 'moveCursorUp',\n    34: 'moveCursorDown',\n    35: 'moveCursorLeft',\n    36: 'moveCursorRight',\n    37: 'moveCursorRight',\n    38: 'moveCursorUp',\n    39: 'moveCursorLeft',\n    40: 'moveCursorDown',\n  },\n\n  /**\n   * For functionalities on keyUp + ctrl || cmd\n   */\n  ctrlKeysMapUp: {\n    67: 'copy',\n    88: 'cut'\n  },\n\n  /**\n   * For functionalities on keyDown + ctrl || cmd\n   */\n  ctrlKeysMapDown: {\n    65: 'selectAll'\n  },\n\n  onClick: function() {\n    // No need to trigger click event here, focus is enough to have the keyboard appear on Android\n    this.hiddenTextarea && this.hiddenTextarea.focus();\n  },\n\n  /**\n   * Handles keydown event\n   * only used for arrows and combination of modifier keys.\n   * @param {Event} e Event object\n   */\n  onKeyDown: function(e) {\n    if (!this.isEditing) {\n      return;\n    }\n    var keyMap = this.direction === 'rtl' ? this.keysMapRtl : this.keysMap;\n    if (e.keyCode in keyMap) {\n      this[keyMap[e.keyCode]](e);\n    }\n    else if ((e.keyCode in this.ctrlKeysMapDown) && (e.ctrlKey || e.metaKey)) {\n      this[this.ctrlKeysMapDown[e.keyCode]](e);\n    }\n    else {\n      return;\n    }\n    e.stopImmediatePropagation();\n    e.preventDefault();\n    if (e.keyCode >= 33 && e.keyCode <= 40) {\n      // if i press an arrow key just update selection\n      this.inCompositionMode = false;\n      this.clearContextTop();\n      this.renderCursorOrSelection();\n    }\n    else {\n      this.canvas && this.canvas.requestRenderAll();\n    }\n  },\n\n  /**\n   * Handles keyup event\n   * We handle KeyUp because ie11 and edge have difficulties copy/pasting\n   * if a copy/cut event fired, keyup is dismissed\n   * @param {Event} e Event object\n   */\n  onKeyUp: function(e) {\n    if (!this.isEditing || this._copyDone || this.inCompositionMode) {\n      this._copyDone = false;\n      return;\n    }\n    if ((e.keyCode in this.ctrlKeysMapUp) && (e.ctrlKey || e.metaKey)) {\n      this[this.ctrlKeysMapUp[e.keyCode]](e);\n    }\n    else {\n      return;\n    }\n    e.stopImmediatePropagation();\n    e.preventDefault();\n    this.canvas && this.canvas.requestRenderAll();\n  },\n\n  /**\n   * Handles onInput event\n   * @param {Event} e Event object\n   */\n  onInput: function(e) {\n    var fromPaste = this.fromPaste;\n    this.fromPaste = false;\n    e && e.stopPropagation();\n    if (!this.isEditing) {\n      return;\n    }\n    // decisions about style changes.\n    var nextText = this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,\n        charCount = this._text.length,\n        nextCharCount = nextText.length,\n        removedText, insertedText,\n        charDiff = nextCharCount - charCount,\n        selectionStart = this.selectionStart, selectionEnd = this.selectionEnd,\n        selection = selectionStart !== selectionEnd,\n        copiedStyle, removeFrom, removeTo;\n    if (this.hiddenTextarea.value === '') {\n      this.styles = { };\n      this.updateFromTextArea();\n      this.fire('changed');\n      if (this.canvas) {\n        this.canvas.fire('text:changed', { target: this });\n        this.canvas.requestRenderAll();\n      }\n      return;\n    }\n\n    var textareaSelection = this.fromStringToGraphemeSelection(\n      this.hiddenTextarea.selectionStart,\n      this.hiddenTextarea.selectionEnd,\n      this.hiddenTextarea.value\n    );\n    var backDelete = selectionStart > textareaSelection.selectionStart;\n\n    if (selection) {\n      removedText = this._text.slice(selectionStart, selectionEnd);\n      charDiff += selectionEnd - selectionStart;\n    }\n    else if (nextCharCount < charCount) {\n      if (backDelete) {\n        removedText = this._text.slice(selectionEnd + charDiff, selectionEnd);\n      }\n      else {\n        removedText = this._text.slice(selectionStart, selectionStart - charDiff);\n      }\n    }\n    insertedText = nextText.slice(textareaSelection.selectionEnd - charDiff, textareaSelection.selectionEnd);\n    if (removedText && removedText.length) {\n      if (insertedText.length) {\n        // let's copy some style before deleting.\n        // we want to copy the style before the cursor OR the style at the cursor if selection\n        // is bigger than 0.\n        copiedStyle = this.getSelectionStyles(selectionStart, selectionStart + 1, false);\n        // now duplicate the style one for each inserted text.\n        copiedStyle = insertedText.map(function() {\n          // this return an array of references, but that is fine since we are\n          // copying the style later.\n          return copiedStyle[0];\n        });\n      }\n      if (selection) {\n        removeFrom = selectionStart;\n        removeTo = selectionEnd;\n      }\n      else if (backDelete) {\n        // detect differences between forwardDelete and backDelete\n        removeFrom = selectionEnd - removedText.length;\n        removeTo = selectionEnd;\n      }\n      else {\n        removeFrom = selectionEnd;\n        removeTo = selectionEnd + removedText.length;\n      }\n      this.removeStyleFromTo(removeFrom, removeTo);\n    }\n    if (insertedText.length) {\n      if (fromPaste && insertedText.join('') === fabric.copiedText && !fabric.disableStyleCopyPaste) {\n        copiedStyle = fabric.copiedTextStyle;\n      }\n      this.insertNewStyleBlock(insertedText, selectionStart, copiedStyle);\n    }\n    this.updateFromTextArea();\n    this.fire('changed');\n    if (this.canvas) {\n      this.canvas.fire('text:changed', { target: this });\n      this.canvas.requestRenderAll();\n    }\n  },\n  /**\n   * Composition start\n   */\n  onCompositionStart: function() {\n    this.inCompositionMode = true;\n  },\n\n  /**\n   * Composition end\n   */\n  onCompositionEnd: function() {\n    this.inCompositionMode = false;\n  },\n\n  // /**\n  //  * Composition update\n  //  */\n  onCompositionUpdate: function(e) {\n    this.compositionStart = e.target.selectionStart;\n    this.compositionEnd = e.target.selectionEnd;\n    this.updateTextareaPosition();\n  },\n\n  /**\n   * Copies selected text\n   * @param {Event} e Event object\n   */\n  copy: function() {\n    if (this.selectionStart === this.selectionEnd) {\n      //do not cut-copy if no selection\n      return;\n    }\n\n    fabric.copiedText = this.getSelectedText();\n    if (!fabric.disableStyleCopyPaste) {\n      fabric.copiedTextStyle = this.getSelectionStyles(this.selectionStart, this.selectionEnd, true);\n    }\n    else {\n      fabric.copiedTextStyle = null;\n    }\n    this._copyDone = true;\n  },\n\n  /**\n   * Pastes text\n   * @param {Event} e Event object\n   */\n  paste: function() {\n    this.fromPaste = true;\n  },\n\n  /**\n   * @private\n   * @param {Event} e Event object\n   * @return {Object} Clipboard data object\n   */\n  _getClipboardData: function(e) {\n    return (e && e.clipboardData) || fabric.window.clipboardData;\n  },\n\n  /**\n   * Finds the width in pixels before the cursor on the same line\n   * @private\n   * @param {Number} lineIndex\n   * @param {Number} charIndex\n   * @return {Number} widthBeforeCursor width before cursor\n   */\n  _getWidthBeforeCursor: function(lineIndex, charIndex) {\n    var widthBeforeCursor = this._getLineLeftOffset(lineIndex), bound;\n\n    if (charIndex > 0) {\n      bound = this.__charBounds[lineIndex][charIndex - 1];\n      widthBeforeCursor += bound.left + bound.width;\n    }\n    return widthBeforeCursor;\n  },\n\n  /**\n   * Gets start offset of a selection\n   * @param {Event} e Event object\n   * @param {Boolean} isRight\n   * @return {Number}\n   */\n  getDownCursorOffset: function(e, isRight) {\n    var selectionProp = this._getSelectionForOffset(e, isRight),\n        cursorLocation = this.get2DCursorLocation(selectionProp),\n        lineIndex = cursorLocation.lineIndex;\n    // if on last line, down cursor goes to end of line\n    if (lineIndex === this._textLines.length - 1 || e.metaKey || e.keyCode === 34) {\n      // move to the end of a text\n      return this._text.length - selectionProp;\n    }\n    var charIndex = cursorLocation.charIndex,\n        widthBeforeCursor = this._getWidthBeforeCursor(lineIndex, charIndex),\n        indexOnOtherLine = this._getIndexOnLine(lineIndex + 1, widthBeforeCursor),\n        textAfterCursor = this._textLines[lineIndex].slice(charIndex);\n    return textAfterCursor.length + indexOnOtherLine + 1 + this.missingNewlineOffset(lineIndex);\n  },\n\n  /**\n   * private\n   * Helps finding if the offset should be counted from Start or End\n   * @param {Event} e Event object\n   * @param {Boolean} isRight\n   * @return {Number}\n   */\n  _getSelectionForOffset: function(e, isRight) {\n    if (e.shiftKey && this.selectionStart !== this.selectionEnd && isRight) {\n      return this.selectionEnd;\n    }\n    else {\n      return this.selectionStart;\n    }\n  },\n\n  /**\n   * @param {Event} e Event object\n   * @param {Boolean} isRight\n   * @return {Number}\n   */\n  getUpCursorOffset: function(e, isRight) {\n    var selectionProp = this._getSelectionForOffset(e, isRight),\n        cursorLocation = this.get2DCursorLocation(selectionProp),\n        lineIndex = cursorLocation.lineIndex;\n    if (lineIndex === 0 || e.metaKey || e.keyCode === 33) {\n      // if on first line, up cursor goes to start of line\n      return -selectionProp;\n    }\n    var charIndex = cursorLocation.charIndex,\n        widthBeforeCursor = this._getWidthBeforeCursor(lineIndex, charIndex),\n        indexOnOtherLine = this._getIndexOnLine(lineIndex - 1, widthBeforeCursor),\n        textBeforeCursor = this._textLines[lineIndex].slice(0, charIndex),\n        missingNewlineOffset = this.missingNewlineOffset(lineIndex - 1);\n    // return a negative offset\n    return -this._textLines[lineIndex - 1].length\n     + indexOnOtherLine - textBeforeCursor.length + (1 - missingNewlineOffset);\n  },\n\n  /**\n   * for a given width it founds the matching character.\n   * @private\n   */\n  _getIndexOnLine: function(lineIndex, width) {\n\n    var line = this._textLines[lineIndex],\n        lineLeftOffset = this._getLineLeftOffset(lineIndex),\n        widthOfCharsOnLine = lineLeftOffset,\n        indexOnLine = 0, charWidth, foundMatch;\n\n    for (var j = 0, jlen = line.length; j < jlen; j++) {\n      charWidth = this.__charBounds[lineIndex][j].width;\n      widthOfCharsOnLine += charWidth;\n      if (widthOfCharsOnLine > width) {\n        foundMatch = true;\n        var leftEdge = widthOfCharsOnLine - charWidth,\n            rightEdge = widthOfCharsOnLine,\n            offsetFromLeftEdge = Math.abs(leftEdge - width),\n            offsetFromRightEdge = Math.abs(rightEdge - width);\n\n        indexOnLine = offsetFromRightEdge < offsetFromLeftEdge ? j : (j - 1);\n        break;\n      }\n    }\n\n    // reached end\n    if (!foundMatch) {\n      indexOnLine = line.length - 1;\n    }\n\n    return indexOnLine;\n  },\n\n\n  /**\n   * Moves cursor down\n   * @param {Event} e Event object\n   */\n  moveCursorDown: function(e) {\n    if (this.selectionStart >= this._text.length && this.selectionEnd >= this._text.length) {\n      return;\n    }\n    this._moveCursorUpOrDown('Down', e);\n  },\n\n  /**\n   * Moves cursor up\n   * @param {Event} e Event object\n   */\n  moveCursorUp: function(e) {\n    if (this.selectionStart === 0 && this.selectionEnd === 0) {\n      return;\n    }\n    this._moveCursorUpOrDown('Up', e);\n  },\n\n  /**\n   * Moves cursor up or down, fires the events\n   * @param {String} direction 'Up' or 'Down'\n   * @param {Event} e Event object\n   */\n  _moveCursorUpOrDown: function(direction, e) {\n    // getUpCursorOffset\n    // getDownCursorOffset\n    var action = 'get' + direction + 'CursorOffset',\n        offset = this[action](e, this._selectionDirection === 'right');\n    if (e.shiftKey) {\n      this.moveCursorWithShift(offset);\n    }\n    else {\n      this.moveCursorWithoutShift(offset);\n    }\n    if (offset !== 0) {\n      this.setSelectionInBoundaries();\n      this.abortCursorAnimation();\n      this._currentCursorOpacity = 1;\n      this.initDelayedCursor();\n      this._fireSelectionChanged();\n      this._updateTextarea();\n    }\n  },\n\n  /**\n   * Moves cursor with shift\n   * @param {Number} offset\n   */\n  moveCursorWithShift: function(offset) {\n    var newSelection = this._selectionDirection === 'left'\n      ? this.selectionStart + offset\n      : this.selectionEnd + offset;\n    this.setSelectionStartEndWithShift(this.selectionStart, this.selectionEnd, newSelection);\n    return offset !== 0;\n  },\n\n  /**\n   * Moves cursor up without shift\n   * @param {Number} offset\n   */\n  moveCursorWithoutShift: function(offset) {\n    if (offset < 0) {\n      this.selectionStart += offset;\n      this.selectionEnd = this.selectionStart;\n    }\n    else {\n      this.selectionEnd += offset;\n      this.selectionStart = this.selectionEnd;\n    }\n    return offset !== 0;\n  },\n\n  /**\n   * Moves cursor left\n   * @param {Event} e Event object\n   */\n  moveCursorLeft: function(e) {\n    if (this.selectionStart === 0 && this.selectionEnd === 0) {\n      return;\n    }\n    this._moveCursorLeftOrRight('Left', e);\n  },\n\n  /**\n   * @private\n   * @return {Boolean} true if a change happened\n   */\n  _move: function(e, prop, direction) {\n    var newValue;\n    if (e.altKey) {\n      newValue = this['findWordBoundary' + direction](this[prop]);\n    }\n    else if (e.metaKey || e.keyCode === 35 ||  e.keyCode === 36 ) {\n      newValue = this['findLineBoundary' + direction](this[prop]);\n    }\n    else {\n      this[prop] += direction === 'Left' ? -1 : 1;\n      return true;\n    }\n    if (typeof newValue !== undefined && this[prop] !== newValue) {\n      this[prop] = newValue;\n      return true;\n    }\n  },\n\n  /**\n   * @private\n   */\n  _moveLeft: function(e, prop) {\n    return this._move(e, prop, 'Left');\n  },\n\n  /**\n   * @private\n   */\n  _moveRight: function(e, prop) {\n    return this._move(e, prop, 'Right');\n  },\n\n  /**\n   * Moves cursor left without keeping selection\n   * @param {Event} e\n   */\n  moveCursorLeftWithoutShift: function(e) {\n    var change = true;\n    this._selectionDirection = 'left';\n\n    // only move cursor when there is no selection,\n    // otherwise we discard it, and leave cursor on same place\n    if (this.selectionEnd === this.selectionStart && this.selectionStart !== 0) {\n      change = this._moveLeft(e, 'selectionStart');\n\n    }\n    this.selectionEnd = this.selectionStart;\n    return change;\n  },\n\n  /**\n   * Moves cursor left while keeping selection\n   * @param {Event} e\n   */\n  moveCursorLeftWithShift: function(e) {\n    if (this._selectionDirection === 'right' && this.selectionStart !== this.selectionEnd) {\n      return this._moveLeft(e, 'selectionEnd');\n    }\n    else if (this.selectionStart !== 0){\n      this._selectionDirection = 'left';\n      return this._moveLeft(e, 'selectionStart');\n    }\n  },\n\n  /**\n   * Moves cursor right\n   * @param {Event} e Event object\n   */\n  moveCursorRight: function(e) {\n    if (this.selectionStart >= this._text.length && this.selectionEnd >= this._text.length) {\n      return;\n    }\n    this._moveCursorLeftOrRight('Right', e);\n  },\n\n  /**\n   * Moves cursor right or Left, fires event\n   * @param {String} direction 'Left', 'Right'\n   * @param {Event} e Event object\n   */\n  _moveCursorLeftOrRight: function(direction, e) {\n    var actionName = 'moveCursor' + direction + 'With';\n    this._currentCursorOpacity = 1;\n\n    if (e.shiftKey) {\n      actionName += 'Shift';\n    }\n    else {\n      actionName += 'outShift';\n    }\n    if (this[actionName](e)) {\n      this.abortCursorAnimation();\n      this.initDelayedCursor();\n      this._fireSelectionChanged();\n      this._updateTextarea();\n    }\n  },\n\n  /**\n   * Moves cursor right while keeping selection\n   * @param {Event} e\n   */\n  moveCursorRightWithShift: function(e) {\n    if (this._selectionDirection === 'left' && this.selectionStart !== this.selectionEnd) {\n      return this._moveRight(e, 'selectionStart');\n    }\n    else if (this.selectionEnd !== this._text.length) {\n      this._selectionDirection = 'right';\n      return this._moveRight(e, 'selectionEnd');\n    }\n  },\n\n  /**\n   * Moves cursor right without keeping selection\n   * @param {Event} e Event object\n   */\n  moveCursorRightWithoutShift: function(e) {\n    var changed = true;\n    this._selectionDirection = 'right';\n\n    if (this.selectionStart === this.selectionEnd) {\n      changed = this._moveRight(e, 'selectionStart');\n      this.selectionEnd = this.selectionStart;\n    }\n    else {\n      this.selectionStart = this.selectionEnd;\n    }\n    return changed;\n  },\n\n  /**\n   * Removes characters from start/end\n   * start/end ar per grapheme position in _text array.\n   *\n   * @param {Number} start\n   * @param {Number} end default to start + 1\n   */\n  removeChars: function(start, end) {\n    if (typeof end === 'undefined') {\n      end = start + 1;\n    }\n    this.removeStyleFromTo(start, end);\n    this._text.splice(start, end - start);\n    this.text = this._text.join('');\n    this.set('dirty', true);\n    if (this._shouldClearDimensionCache()) {\n      this.initDimensions();\n      this.setCoords();\n    }\n    this._removeExtraneousStyles();\n  },\n\n  /**\n   * insert characters at start position, before start position.\n   * start  equal 1 it means the text get inserted between actual grapheme 0 and 1\n   * if style array is provided, it must be as the same length of text in graphemes\n   * if end is provided and is bigger than start, old text is replaced.\n   * start/end ar per grapheme position in _text array.\n   *\n   * @param {String} text text to insert\n   * @param {Array} style array of style objects\n   * @param {Number} start\n   * @param {Number} end default to start + 1\n   */\n  insertChars: function(text, style, start, end) {\n    if (typeof end === 'undefined') {\n      end = start;\n    }\n    if (end > start) {\n      this.removeStyleFromTo(start, end);\n    }\n    var graphemes = fabric.util.string.graphemeSplit(text);\n    this.insertNewStyleBlock(graphemes, start, style);\n    this._text = [].concat(this._text.slice(0, start), graphemes, this._text.slice(end));\n    this.text = this._text.join('');\n    this.set('dirty', true);\n    if (this._shouldClearDimensionCache()) {\n      this.initDimensions();\n      this.setCoords();\n    }\n    this._removeExtraneousStyles();\n  },\n\n});\n\n\n/* _TO_SVG_START_ */\n(function() {\n  var toFixed = fabric.util.toFixed,\n      multipleSpacesRegex = /  +/g;\n\n  fabric.util.object.extend(fabric.Text.prototype, /** @lends fabric.Text.prototype */ {\n\n    /**\n     * Returns SVG representation of an instance\n     * @param {Function} [reviver] Method for further parsing of svg representation.\n     * @return {String} svg representation of an instance\n     */\n    _toSVG: function() {\n      var offsets = this._getSVGLeftTopOffsets(),\n          textAndBg = this._getSVGTextAndBg(offsets.textTop, offsets.textLeft);\n      return this._wrapSVGTextAndBg(textAndBg);\n    },\n\n    /**\n     * Returns svg representation of an instance\n     * @param {Function} [reviver] Method for further parsing of svg representation.\n     * @return {String} svg representation of an instance\n     */\n    toSVG: function(reviver) {\n      return this._createBaseSVGMarkup(\n        this._toSVG(),\n        { reviver: reviver, noStyle: true, withShadow: true }\n      );\n    },\n\n    /**\n     * @private\n     */\n    _getSVGLeftTopOffsets: function() {\n      return {\n        textLeft: -this.width / 2,\n        textTop: -this.height / 2,\n        lineTop: this.getHeightOfLine(0)\n      };\n    },\n\n    /**\n     * @private\n     */\n    _wrapSVGTextAndBg: function(textAndBg) {\n      var noShadow = true,\n          textDecoration = this.getSvgTextDecoration(this);\n      return [\n        textAndBg.textBgRects.join(''),\n        '\\t\\t<text xml:space=\"preserve\" ',\n        (this.fontFamily ? 'font-family=\"' + this.fontFamily.replace(/\"/g, '\\'') + '\" ' : ''),\n        (this.fontSize ? 'font-size=\"' + this.fontSize + '\" ' : ''),\n        (this.fontStyle ? 'font-style=\"' + this.fontStyle + '\" ' : ''),\n        (this.fontWeight ? 'font-weight=\"' + this.fontWeight + '\" ' : ''),\n        (textDecoration ? 'text-decoration=\"' + textDecoration + '\" ' : ''),\n        'style=\"', this.getSvgStyles(noShadow), '\"', this.addPaintOrder(), ' >',\n        textAndBg.textSpans.join(''),\n        '</text>\\n'\n      ];\n    },\n\n    /**\n     * @private\n     * @param {Number} textTopOffset Text top offset\n     * @param {Number} textLeftOffset Text left offset\n     * @return {Object}\n     */\n    _getSVGTextAndBg: function(textTopOffset, textLeftOffset) {\n      var textSpans = [],\n          textBgRects = [],\n          height = textTopOffset, lineOffset;\n      // bounding-box background\n      this._setSVGBg(textBgRects);\n\n      // text and text-background\n      for (var i = 0, len = this._textLines.length; i < len; i++) {\n        lineOffset = this._getLineLeftOffset(i);\n        if (this.textBackgroundColor || this.styleHas('textBackgroundColor', i)) {\n          this._setSVGTextLineBg(textBgRects, i, textLeftOffset + lineOffset, height);\n        }\n        this._setSVGTextLineText(textSpans, i, textLeftOffset + lineOffset, height);\n        height += this.getHeightOfLine(i);\n      }\n\n      return {\n        textSpans: textSpans,\n        textBgRects: textBgRects\n      };\n    },\n\n    /**\n     * @private\n     */\n    _createTextCharSpan: function(_char, styleDecl, left, top) {\n      var shouldUseWhitespace = _char !== _char.trim() || _char.match(multipleSpacesRegex),\n          styleProps = this.getSvgSpanStyles(styleDecl, shouldUseWhitespace),\n          fillStyles = styleProps ? 'style=\"' + styleProps + '\"' : '',\n          dy = styleDecl.deltaY, dySpan = '',\n          NUM_FRACTION_DIGITS = fabric.Object.NUM_FRACTION_DIGITS;\n      if (dy) {\n        dySpan = ' dy=\"' + toFixed(dy, NUM_FRACTION_DIGITS) + '\" ';\n      }\n      return [\n        '<tspan x=\"', toFixed(left, NUM_FRACTION_DIGITS), '\" y=\"',\n        toFixed(top, NUM_FRACTION_DIGITS), '\" ', dySpan,\n        fillStyles, '>',\n        fabric.util.string.escapeXml(_char),\n        '</tspan>'\n      ].join('');\n    },\n\n    _setSVGTextLineText: function(textSpans, lineIndex, textLeftOffset, textTopOffset) {\n      // set proper line offset\n      var lineHeight = this.getHeightOfLine(lineIndex),\n          isJustify = this.textAlign.indexOf('justify') !== -1,\n          actualStyle,\n          nextStyle,\n          charsToRender = '',\n          charBox, style,\n          boxWidth = 0,\n          line = this._textLines[lineIndex],\n          timeToRender;\n\n      textTopOffset += lineHeight * (1 - this._fontSizeFraction) / this.lineHeight;\n      for (var i = 0, len = line.length - 1; i <= len; i++) {\n        timeToRender = i === len || this.charSpacing;\n        charsToRender += line[i];\n        charBox = this.__charBounds[lineIndex][i];\n        if (boxWidth === 0) {\n          textLeftOffset += charBox.kernedWidth - charBox.width;\n          boxWidth += charBox.width;\n        }\n        else {\n          boxWidth += charBox.kernedWidth;\n        }\n        if (isJustify && !timeToRender) {\n          if (this._reSpaceAndTab.test(line[i])) {\n            timeToRender = true;\n          }\n        }\n        if (!timeToRender) {\n          // if we have charSpacing, we render char by char\n          actualStyle = actualStyle || this.getCompleteStyleDeclaration(lineIndex, i);\n          nextStyle = this.getCompleteStyleDeclaration(lineIndex, i + 1);\n          timeToRender = this._hasStyleChangedForSvg(actualStyle, nextStyle);\n        }\n        if (timeToRender) {\n          style = this._getStyleDeclaration(lineIndex, i) || { };\n          textSpans.push(this._createTextCharSpan(charsToRender, style, textLeftOffset, textTopOffset));\n          charsToRender = '';\n          actualStyle = nextStyle;\n          textLeftOffset += boxWidth;\n          boxWidth = 0;\n        }\n      }\n    },\n\n    _pushTextBgRect: function(textBgRects, color, left, top, width, height) {\n      var NUM_FRACTION_DIGITS = fabric.Object.NUM_FRACTION_DIGITS;\n      textBgRects.push(\n        '\\t\\t<rect ',\n        this._getFillAttributes(color),\n        ' x=\"',\n        toFixed(left, NUM_FRACTION_DIGITS),\n        '\" y=\"',\n        toFixed(top, NUM_FRACTION_DIGITS),\n        '\" width=\"',\n        toFixed(width, NUM_FRACTION_DIGITS),\n        '\" height=\"',\n        toFixed(height, NUM_FRACTION_DIGITS),\n        '\"></rect>\\n');\n    },\n\n    _setSVGTextLineBg: function(textBgRects, i, leftOffset, textTopOffset) {\n      var line = this._textLines[i],\n          heightOfLine = this.getHeightOfLine(i) / this.lineHeight,\n          boxWidth = 0,\n          boxStart = 0,\n          charBox, currentColor,\n          lastColor = this.getValueOfPropertyAt(i, 0, 'textBackgroundColor');\n      for (var j = 0, jlen = line.length; j < jlen; j++) {\n        charBox = this.__charBounds[i][j];\n        currentColor = this.getValueOfPropertyAt(i, j, 'textBackgroundColor');\n        if (currentColor !== lastColor) {\n          lastColor && this._pushTextBgRect(textBgRects, lastColor, leftOffset + boxStart,\n            textTopOffset, boxWidth, heightOfLine);\n          boxStart = charBox.left;\n          boxWidth = charBox.width;\n          lastColor = currentColor;\n        }\n        else {\n          boxWidth += charBox.kernedWidth;\n        }\n      }\n      currentColor && this._pushTextBgRect(textBgRects, currentColor, leftOffset + boxStart,\n        textTopOffset, boxWidth, heightOfLine);\n    },\n\n    /**\n     * Adobe Illustrator (at least CS5) is unable to render rgba()-based fill values\n     * we work around it by \"moving\" alpha channel into opacity attribute and setting fill's alpha to 1\n     *\n     * @private\n     * @param {*} value\n     * @return {String}\n     */\n    _getFillAttributes: function(value) {\n      var fillColor = (value && typeof value === 'string') ? new fabric.Color(value) : '';\n      if (!fillColor || !fillColor.getSource() || fillColor.getAlpha() === 1) {\n        return 'fill=\"' + value + '\"';\n      }\n      return 'opacity=\"' + fillColor.getAlpha() + '\" fill=\"' + fillColor.setAlpha(1).toRgb() + '\"';\n    },\n\n    /**\n     * @private\n     */\n    _getSVGLineTopOffset: function(lineIndex) {\n      var lineTopOffset = 0, lastHeight = 0;\n      for (var j = 0; j < lineIndex; j++) {\n        lineTopOffset += this.getHeightOfLine(j);\n      }\n      lastHeight = this.getHeightOfLine(j);\n      return {\n        lineTop: lineTopOffset,\n        offset: (this._fontSizeMult - this._fontSizeFraction) * lastHeight / (this.lineHeight * this._fontSizeMult)\n      };\n    },\n\n    /**\n     * Returns styles-string for svg-export\n     * @param {Boolean} skipShadow a boolean to skip shadow filter output\n     * @return {String}\n     */\n    getSvgStyles: function(skipShadow) {\n      var svgStyle = fabric.Object.prototype.getSvgStyles.call(this, skipShadow);\n      return svgStyle + ' white-space: pre;';\n    },\n  });\n})();\n/* _TO_SVG_END_ */\n\n\n(function(global) {\n\n  'use strict';\n\n  var fabric = global.fabric || (global.fabric = {});\n\n  /**\n   * Textbox class, based on IText, allows the user to resize the text rectangle\n   * and wraps lines automatically. Textboxes have their Y scaling locked, the\n   * user can only change width. Height is adjusted automatically based on the\n   * wrapping of lines.\n   * @class fabric.Textbox\n   * @extends fabric.IText\n   * @mixes fabric.Observable\n   * @return {fabric.Textbox} thisArg\n   * @see {@link fabric.Textbox#initialize} for constructor definition\n   */\n  fabric.Textbox = fabric.util.createClass(fabric.IText, fabric.Observable, {\n\n    /**\n     * Type of an object\n     * @type String\n     * @default\n     */\n    type: 'textbox',\n\n    /**\n     * Minimum width of textbox, in pixels.\n     * @type Number\n     * @default\n     */\n    minWidth: 20,\n\n    /**\n     * Minimum calculated width of a textbox, in pixels.\n     * fixed to 2 so that an empty textbox cannot go to 0\n     * and is still selectable without text.\n     * @type Number\n     * @default\n     */\n    dynamicMinWidth: 2,\n\n    /**\n     * Cached array of text wrapping.\n     * @type Array\n     */\n    __cachedLines: null,\n\n    /**\n     * Override standard Object class values\n     */\n    lockScalingFlip: true,\n\n    /**\n     * Override standard Object class values\n     * Textbox needs this on false\n     */\n    noScaleCache: false,\n\n    /**\n     * Properties which when set cause object to change dimensions\n     * @type Object\n     * @private\n     */\n    _dimensionAffectingProps: fabric.Text.prototype._dimensionAffectingProps.concat('width'),\n\n    /**\n     * Use this regular expression to split strings in breakable lines\n     * @private\n     */\n    _wordJoiners: /[ \\t\\r]/,\n\n    /**\n     * Use this boolean property in order to split strings that have no white space concept.\n     * this is a cheap way to help with chinese/japanese\n     * @type Boolean\n     * @since 2.6.0\n     */\n    splitByGrapheme: false,\n\n    /**\n     * Unlike superclass's version of this function, Textbox does not update\n     * its width.\n     * @private\n     * @override\n     */\n    initDimensions: function() {\n      if (this.__skipDimension) {\n        return;\n      }\n      this.isEditing && this.initDelayedCursor();\n      this.clearContextTop();\n      this._clearCache();\n      // clear dynamicMinWidth as it will be different after we re-wrap line\n      this.dynamicMinWidth = 0;\n      // wrap lines\n      this._styleMap = this._generateStyleMap(this._splitText());\n      // if after wrapping, the width is smaller than dynamicMinWidth, change the width and re-wrap\n      if (this.dynamicMinWidth > this.width) {\n        this._set('width', this.dynamicMinWidth);\n      }\n      if (this.textAlign.indexOf('justify') !== -1) {\n        // once text is measured we need to make space fatter to make justified text.\n        this.enlargeSpaces();\n      }\n      // clear cache and re-calculate height\n      this.height = this.calcTextHeight();\n      this.saveState({ propertySet: '_dimensionAffectingProps' });\n    },\n\n    /**\n     * Generate an object that translates the style object so that it is\n     * broken up by visual lines (new lines and automatic wrapping).\n     * The original text styles object is broken up by actual lines (new lines only),\n     * which is only sufficient for Text / IText\n     * @private\n     */\n    _generateStyleMap: function(textInfo) {\n      var realLineCount     = 0,\n          realLineCharCount = 0,\n          charCount         = 0,\n          map               = {};\n\n      for (var i = 0; i < textInfo.graphemeLines.length; i++) {\n        if (textInfo.graphemeText[charCount] === '\\n' && i > 0) {\n          realLineCharCount = 0;\n          charCount++;\n          realLineCount++;\n        }\n        else if (!this.splitByGrapheme && this._reSpaceAndTab.test(textInfo.graphemeText[charCount]) && i > 0) {\n          // this case deals with space's that are removed from end of lines when wrapping\n          realLineCharCount++;\n          charCount++;\n        }\n\n        map[i] = { line: realLineCount, offset: realLineCharCount };\n\n        charCount += textInfo.graphemeLines[i].length;\n        realLineCharCount += textInfo.graphemeLines[i].length;\n      }\n\n      return map;\n    },\n\n    /**\n     * Returns true if object has a style property or has it on a specified line\n     * @param {Number} lineIndex\n     * @return {Boolean}\n     */\n    styleHas: function(property, lineIndex) {\n      if (this._styleMap && !this.isWrapping) {\n        var map = this._styleMap[lineIndex];\n        if (map) {\n          lineIndex = map.line;\n        }\n      }\n      return fabric.Text.prototype.styleHas.call(this, property, lineIndex);\n    },\n\n    /**\n     * Returns true if object has no styling or no styling in a line\n     * @param {Number} lineIndex , lineIndex is on wrapped lines.\n     * @return {Boolean}\n     */\n    isEmptyStyles: function(lineIndex) {\n      if (!this.styles) {\n        return true;\n      }\n      var offset = 0, nextLineIndex = lineIndex + 1, nextOffset, obj, shouldLimit = false,\n          map = this._styleMap[lineIndex], mapNextLine = this._styleMap[lineIndex + 1];\n      if (map) {\n        lineIndex = map.line;\n        offset = map.offset;\n      }\n      if (mapNextLine) {\n        nextLineIndex = mapNextLine.line;\n        shouldLimit = nextLineIndex === lineIndex;\n        nextOffset = mapNextLine.offset;\n      }\n      obj = typeof lineIndex === 'undefined' ? this.styles : { line: this.styles[lineIndex] };\n      for (var p1 in obj) {\n        for (var p2 in obj[p1]) {\n          if (p2 >= offset && (!shouldLimit || p2 < nextOffset)) {\n            // eslint-disable-next-line no-unused-vars\n            for (var p3 in obj[p1][p2]) {\n              return false;\n            }\n          }\n        }\n      }\n      return true;\n    },\n\n    /**\n     * @param {Number} lineIndex\n     * @param {Number} charIndex\n     * @private\n     */\n    _getStyleDeclaration: function(lineIndex, charIndex) {\n      if (this._styleMap && !this.isWrapping) {\n        var map = this._styleMap[lineIndex];\n        if (!map) {\n          return null;\n        }\n        lineIndex = map.line;\n        charIndex = map.offset + charIndex;\n      }\n      return this.callSuper('_getStyleDeclaration', lineIndex, charIndex);\n    },\n\n    /**\n     * @param {Number} lineIndex\n     * @param {Number} charIndex\n     * @param {Object} style\n     * @private\n     */\n    _setStyleDeclaration: function(lineIndex, charIndex, style) {\n      var map = this._styleMap[lineIndex];\n      lineIndex = map.line;\n      charIndex = map.offset + charIndex;\n\n      this.styles[lineIndex][charIndex] = style;\n    },\n\n    /**\n     * @param {Number} lineIndex\n     * @param {Number} charIndex\n     * @private\n     */\n    _deleteStyleDeclaration: function(lineIndex, charIndex) {\n      var map = this._styleMap[lineIndex];\n      lineIndex = map.line;\n      charIndex = map.offset + charIndex;\n      delete this.styles[lineIndex][charIndex];\n    },\n\n    /**\n     * probably broken need a fix\n     * Returns the real style line that correspond to the wrapped lineIndex line\n     * Used just to verify if the line does exist or not.\n     * @param {Number} lineIndex\n     * @returns {Boolean} if the line exists or not\n     * @private\n     */\n    _getLineStyle: function(lineIndex) {\n      var map = this._styleMap[lineIndex];\n      return !!this.styles[map.line];\n    },\n\n    /**\n     * Set the line style to an empty object so that is initialized\n     * @param {Number} lineIndex\n     * @param {Object} style\n     * @private\n     */\n    _setLineStyle: function(lineIndex) {\n      var map = this._styleMap[lineIndex];\n      this.styles[map.line] = {};\n    },\n\n    /**\n     * Wraps text using the 'width' property of Textbox. First this function\n     * splits text on newlines, so we preserve newlines entered by the user.\n     * Then it wraps each line using the width of the Textbox by calling\n     * _wrapLine().\n     * @param {Array} lines The string array of text that is split into lines\n     * @param {Number} desiredWidth width you want to wrap to\n     * @returns {Array} Array of lines\n     */\n    _wrapText: function(lines, desiredWidth) {\n      var wrapped = [], i;\n      this.isWrapping = true;\n      for (i = 0; i < lines.length; i++) {\n        wrapped = wrapped.concat(this._wrapLine(lines[i], i, desiredWidth));\n      }\n      this.isWrapping = false;\n      return wrapped;\n    },\n\n    /**\n     * Helper function to measure a string of text, given its lineIndex and charIndex offset\n     * it gets called when charBounds are not available yet.\n     * @param {CanvasRenderingContext2D} ctx\n     * @param {String} text\n     * @param {number} lineIndex\n     * @param {number} charOffset\n     * @returns {number}\n     * @private\n     */\n    _measureWord: function(word, lineIndex, charOffset) {\n      var width = 0, prevGrapheme, skipLeft = true;\n      charOffset = charOffset || 0;\n      for (var i = 0, len = word.length; i < len; i++) {\n        var box = this._getGraphemeBox(word[i], lineIndex, i + charOffset, prevGrapheme, skipLeft);\n        width += box.kernedWidth;\n        prevGrapheme = word[i];\n      }\n      return width;\n    },\n\n    /**\n     * Wraps a line of text using the width of the Textbox and a context.\n     * @param {Array} line The grapheme array that represent the line\n     * @param {Number} lineIndex\n     * @param {Number} desiredWidth width you want to wrap the line to\n     * @param {Number} reservedSpace space to remove from wrapping for custom functionalities\n     * @returns {Array} Array of line(s) into which the given text is wrapped\n     * to.\n     */\n    _wrapLine: function(_line, lineIndex, desiredWidth, reservedSpace) {\n      var lineWidth = 0,\n          splitByGrapheme = this.splitByGrapheme,\n          graphemeLines = [],\n          line = [],\n          // spaces in different languages?\n          words = splitByGrapheme ? fabric.util.string.graphemeSplit(_line) : _line.split(this._wordJoiners),\n          word = '',\n          offset = 0,\n          infix = splitByGrapheme ? '' : ' ',\n          wordWidth = 0,\n          infixWidth = 0,\n          largestWordWidth = 0,\n          lineJustStarted = true,\n          additionalSpace = this._getWidthOfCharSpacing(),\n          reservedSpace = reservedSpace || 0;\n      // fix a difference between split and graphemeSplit\n      if (words.length === 0) {\n        words.push([]);\n      }\n      desiredWidth -= reservedSpace;\n      for (var i = 0; i < words.length; i++) {\n        // if using splitByGrapheme words are already in graphemes.\n        word = splitByGrapheme ? words[i] : fabric.util.string.graphemeSplit(words[i]);\n        wordWidth = this._measureWord(word, lineIndex, offset);\n        offset += word.length;\n\n        lineWidth += infixWidth + wordWidth - additionalSpace;\n        if (lineWidth > desiredWidth && !lineJustStarted) {\n          graphemeLines.push(line);\n          line = [];\n          lineWidth = wordWidth;\n          lineJustStarted = true;\n        }\n        else {\n          lineWidth += additionalSpace;\n        }\n\n        if (!lineJustStarted && !splitByGrapheme) {\n          line.push(infix);\n        }\n        line = line.concat(word);\n\n        infixWidth = splitByGrapheme ? 0 : this._measureWord([infix], lineIndex, offset);\n        offset++;\n        lineJustStarted = false;\n        // keep track of largest word\n        if (wordWidth > largestWordWidth) {\n          largestWordWidth = wordWidth;\n        }\n      }\n\n      i && graphemeLines.push(line);\n\n      if (largestWordWidth + reservedSpace > this.dynamicMinWidth) {\n        this.dynamicMinWidth = largestWordWidth - additionalSpace + reservedSpace;\n      }\n      return graphemeLines;\n    },\n\n    /**\n     * Detect if the text line is ended with an hard break\n     * text and itext do not have wrapping, return false\n     * @param {Number} lineIndex text to split\n     * @return {Boolean}\n     */\n    isEndOfWrapping: function(lineIndex) {\n      if (!this._styleMap[lineIndex + 1]) {\n        // is last line, return true;\n        return true;\n      }\n      if (this._styleMap[lineIndex + 1].line !== this._styleMap[lineIndex].line) {\n        // this is last line before a line break, return true;\n        return true;\n      }\n      return false;\n    },\n\n    /**\n     * Detect if a line has a linebreak and so we need to account for it when moving\n     * and counting style.\n     * @return Number\n     */\n    missingNewlineOffset: function(lineIndex) {\n      if (this.splitByGrapheme) {\n        return this.isEndOfWrapping(lineIndex) ? 1 : 0;\n      }\n      return 1;\n    },\n\n    /**\n    * Gets lines of text to render in the Textbox. This function calculates\n    * text wrapping on the fly every time it is called.\n    * @param {String} text text to split\n    * @returns {Array} Array of lines in the Textbox.\n    * @override\n    */\n    _splitTextIntoLines: function(text) {\n      var newText = fabric.Text.prototype._splitTextIntoLines.call(this, text),\n          graphemeLines = this._wrapText(newText.lines, this.width),\n          lines = new Array(graphemeLines.length);\n      for (var i = 0; i < graphemeLines.length; i++) {\n        lines[i] = graphemeLines[i].join('');\n      }\n      newText.lines = lines;\n      newText.graphemeLines = graphemeLines;\n      return newText;\n    },\n\n    getMinWidth: function() {\n      return Math.max(this.minWidth, this.dynamicMinWidth);\n    },\n\n    _removeExtraneousStyles: function() {\n      var linesToKeep = {};\n      for (var prop in this._styleMap) {\n        if (this._textLines[prop]) {\n          linesToKeep[this._styleMap[prop].line] = 1;\n        }\n      }\n      for (var prop in this.styles) {\n        if (!linesToKeep[prop]) {\n          delete this.styles[prop];\n        }\n      }\n    },\n\n    /**\n     * Returns object representation of an instance\n     * @method toObject\n     * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output\n     * @return {Object} object representation of an instance\n     */\n    toObject: function(propertiesToInclude) {\n      return this.callSuper('toObject', ['minWidth', 'splitByGrapheme'].concat(propertiesToInclude));\n    }\n  });\n\n  /**\n   * Returns fabric.Textbox instance from an object representation\n   * @static\n   * @memberOf fabric.Textbox\n   * @param {Object} object Object to create an instance from\n   * @param {Function} [callback] Callback to invoke when an fabric.Textbox instance is created\n   */\n  fabric.Textbox.fromObject = function(object, callback) {\n    return fabric.Object._fromObject('Textbox', object, callback, 'text');\n  };\n})(typeof exports !== 'undefined' ? exports : this);\n\n\n(function() {\n\n  var controlsUtils = fabric.controlsUtils,\n      scaleSkewStyleHandler = controlsUtils.scaleSkewCursorStyleHandler,\n      scaleStyleHandler = controlsUtils.scaleCursorStyleHandler,\n      scalingEqually = controlsUtils.scalingEqually,\n      scalingYOrSkewingX = controlsUtils.scalingYOrSkewingX,\n      scalingXOrSkewingY = controlsUtils.scalingXOrSkewingY,\n      scaleOrSkewActionName = controlsUtils.scaleOrSkewActionName,\n      objectControls = fabric.Object.prototype.controls;\n\n  objectControls.ml = new fabric.Control({\n    x: -0.5,\n    y: 0,\n    cursorStyleHandler: scaleSkewStyleHandler,\n    actionHandler: scalingXOrSkewingY,\n    getActionName: scaleOrSkewActionName,\n  });\n\n  objectControls.mr = new fabric.Control({\n    x: 0.5,\n    y: 0,\n    cursorStyleHandler: scaleSkewStyleHandler,\n    actionHandler: scalingXOrSkewingY,\n    getActionName: scaleOrSkewActionName,\n  });\n\n  objectControls.mb = new fabric.Control({\n    x: 0,\n    y: 0.5,\n    cursorStyleHandler: scaleSkewStyleHandler,\n    actionHandler: scalingYOrSkewingX,\n    getActionName: scaleOrSkewActionName,\n  });\n\n  objectControls.mt = new fabric.Control({\n    x: 0,\n    y: -0.5,\n    cursorStyleHandler: scaleSkewStyleHandler,\n    actionHandler: scalingYOrSkewingX,\n    getActionName: scaleOrSkewActionName,\n  });\n\n  objectControls.tl = new fabric.Control({\n    x: -0.5,\n    y: -0.5,\n    cursorStyleHandler: scaleStyleHandler,\n    actionHandler: scalingEqually\n  });\n\n  objectControls.tr = new fabric.Control({\n    x: 0.5,\n    y: -0.5,\n    cursorStyleHandler: scaleStyleHandler,\n    actionHandler: scalingEqually\n  });\n\n  objectControls.bl = new fabric.Control({\n    x: -0.5,\n    y: 0.5,\n    cursorStyleHandler: scaleStyleHandler,\n    actionHandler: scalingEqually\n  });\n\n  objectControls.br = new fabric.Control({\n    x: 0.5,\n    y: 0.5,\n    cursorStyleHandler: scaleStyleHandler,\n    actionHandler: scalingEqually\n  });\n\n  objectControls.mtr = new fabric.Control({\n    x: 0,\n    y: -0.5,\n    actionHandler: controlsUtils.rotationWithSnapping,\n    cursorStyleHandler: controlsUtils.rotationStyleHandler,\n    offsetY: -40,\n    withConnection: true,\n    actionName: 'rotate',\n  });\n\n  if (fabric.Textbox) {\n    // this is breaking the prototype inheritance, no time / ideas to fix it.\n    // is important to document that if you want to have all objects to have a\n    // specific custom control, you have to add it to Object prototype and to Textbox\n    // prototype. The controls are shared as references. So changes to control `tr`\n    // can still apply to all objects if needed.\n    var textBoxControls = fabric.Textbox.prototype.controls = { };\n\n    textBoxControls.mtr = objectControls.mtr;\n    textBoxControls.tr = objectControls.tr;\n    textBoxControls.br = objectControls.br;\n    textBoxControls.tl = objectControls.tl;\n    textBoxControls.bl = objectControls.bl;\n    textBoxControls.mt = objectControls.mt;\n    textBoxControls.mb = objectControls.mb;\n\n    textBoxControls.mr = new fabric.Control({\n      x: 0.5,\n      y: 0,\n      actionHandler: controlsUtils.changeWidth,\n      cursorStyleHandler: scaleSkewStyleHandler,\n      actionName: 'resizing',\n    });\n\n    textBoxControls.ml = new fabric.Control({\n      x: -0.5,\n      y: 0,\n      actionHandler: controlsUtils.changeWidth,\n      cursorStyleHandler: scaleSkewStyleHandler,\n      actionName: 'resizing',\n    });\n  }\n})();\n\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport LRU from 'zrender/lib/core/LRU';\nimport { extend, indexOf, isArrayLike, isObject, keys, isArray, each } from 'zrender/lib/core/util';\nimport { getECData } from './innerStore';\nimport * as colorTool from 'zrender/lib/tool/color';\nimport { queryDataIndex, makeInner } from './model';\nimport Path from 'zrender/lib/graphic/Path';\nimport { error } from './log'; // Reserve 0 as default.\n\nvar _highlightNextDigit = 1;\nvar _highlightKeyMap = {};\nvar getSavedStates = makeInner();\nexport var HOVER_STATE_NORMAL = 0;\nexport var HOVER_STATE_BLUR = 1;\nexport var HOVER_STATE_EMPHASIS = 2;\nexport var SPECIAL_STATES = ['emphasis', 'blur', 'select'];\nexport var DISPLAY_STATES = ['normal', 'emphasis', 'blur', 'select'];\nexport var Z2_EMPHASIS_LIFT = 10;\nexport var Z2_SELECT_LIFT = 9;\nexport var HIGHLIGHT_ACTION_TYPE = 'highlight';\nexport var DOWNPLAY_ACTION_TYPE = 'downplay';\nexport var SELECT_ACTION_TYPE = 'select';\nexport var UNSELECT_ACTION_TYPE = 'unselect';\nexport var TOGGLE_SELECT_ACTION_TYPE = 'toggleSelect';\n\nfunction hasFillOrStroke(fillOrStroke) {\n  return fillOrStroke != null && fillOrStroke !== 'none';\n} // Most lifted color are duplicated.\n\n\nvar liftedColorCache = new LRU(100);\n\nfunction liftColor(color) {\n  if (typeof color !== 'string') {\n    return color;\n  }\n\n  var liftedColor = liftedColorCache.get(color);\n\n  if (!liftedColor) {\n    liftedColor = colorTool.lift(color, -0.1);\n    liftedColorCache.put(color, liftedColor);\n  }\n\n  return liftedColor;\n}\n\nfunction doChangeHoverState(el, stateName, hoverStateEnum) {\n  if (el.onHoverStateChange && (el.hoverState || 0) !== hoverStateEnum) {\n    el.onHoverStateChange(stateName);\n  }\n\n  el.hoverState = hoverStateEnum;\n}\n\nfunction singleEnterEmphasis(el) {\n  // Only mark the flag.\n  // States will be applied in the echarts.ts in next frame.\n  doChangeHoverState(el, 'emphasis', HOVER_STATE_EMPHASIS);\n}\n\nfunction singleLeaveEmphasis(el) {\n  // Only mark the flag.\n  // States will be applied in the echarts.ts in next frame.\n  if (el.hoverState === HOVER_STATE_EMPHASIS) {\n    doChangeHoverState(el, 'normal', HOVER_STATE_NORMAL);\n  }\n}\n\nfunction singleEnterBlur(el) {\n  doChangeHoverState(el, 'blur', HOVER_STATE_BLUR);\n}\n\nfunction singleLeaveBlur(el) {\n  if (el.hoverState === HOVER_STATE_BLUR) {\n    doChangeHoverState(el, 'normal', HOVER_STATE_NORMAL);\n  }\n}\n\nfunction singleEnterSelect(el) {\n  el.selected = true;\n}\n\nfunction singleLeaveSelect(el) {\n  el.selected = false;\n}\n\nfunction updateElementState(el, updater, commonParam) {\n  updater(el, commonParam);\n}\n\nfunction traverseUpdateState(el, updater, commonParam) {\n  updateElementState(el, updater, commonParam);\n  el.isGroup && el.traverse(function (child) {\n    updateElementState(child, updater, commonParam);\n  });\n}\n\nexport function setStatesFlag(el, stateName) {\n  switch (stateName) {\n    case 'emphasis':\n      el.hoverState = HOVER_STATE_EMPHASIS;\n      break;\n\n    case 'normal':\n      el.hoverState = HOVER_STATE_NORMAL;\n      break;\n\n    case 'blur':\n      el.hoverState = HOVER_STATE_BLUR;\n      break;\n\n    case 'select':\n      el.selected = true;\n  }\n}\n/**\n * If we reuse elements when rerender.\n * DONT forget to clearStates before we update the style and shape.\n * Or we may update on the wrong state instead of normal state.\n */\n\nexport function clearStates(el) {\n  if (el.isGroup) {\n    el.traverse(function (child) {\n      child.clearStates();\n    });\n  } else {\n    el.clearStates();\n  }\n}\n\nfunction getFromStateStyle(el, props, toStateName, defaultValue) {\n  var style = el.style;\n  var fromState = {};\n\n  for (var i = 0; i < props.length; i++) {\n    var propName = props[i];\n    var val = style[propName];\n    fromState[propName] = val == null ? defaultValue && defaultValue[propName] : val;\n  }\n\n  for (var i = 0; i < el.animators.length; i++) {\n    var animator = el.animators[i];\n\n    if (animator.__fromStateTransition // Dont consider the animation to emphasis state.\n    && animator.__fromStateTransition.indexOf(toStateName) < 0 && animator.targetName === 'style') {\n      animator.saveFinalToTarget(fromState, props);\n    }\n  }\n\n  return fromState;\n}\n\nfunction createEmphasisDefaultState(el, stateName, targetStates, state) {\n  var hasSelect = targetStates && indexOf(targetStates, 'select') >= 0;\n  var cloned = false;\n\n  if (el instanceof Path) {\n    var store = getSavedStates(el);\n    var fromFill = hasSelect ? store.selectFill || store.normalFill : store.normalFill;\n    var fromStroke = hasSelect ? store.selectStroke || store.normalStroke : store.normalStroke;\n\n    if (hasFillOrStroke(fromFill) || hasFillOrStroke(fromStroke)) {\n      state = state || {}; // Apply default color lift\n\n      var emphasisStyle = state.style || {};\n\n      if (!hasFillOrStroke(emphasisStyle.fill) && hasFillOrStroke(fromFill)) {\n        cloned = true; // Not modify the original value.\n\n        state = extend({}, state);\n        emphasisStyle = extend({}, emphasisStyle); // Already being applied 'emphasis'. DON'T lift color multiple times.\n\n        emphasisStyle.fill = liftColor(fromFill);\n      } // Not highlight stroke if fill has been highlighted.\n      else if (!hasFillOrStroke(emphasisStyle.stroke) && hasFillOrStroke(fromStroke)) {\n          if (!cloned) {\n            state = extend({}, state);\n            emphasisStyle = extend({}, emphasisStyle);\n          }\n\n          emphasisStyle.stroke = liftColor(fromStroke);\n        }\n\n      state.style = emphasisStyle;\n    }\n  }\n\n  if (state) {\n    // TODO Share with textContent?\n    if (state.z2 == null) {\n      if (!cloned) {\n        state = extend({}, state);\n      }\n\n      var z2EmphasisLift = el.z2EmphasisLift;\n      state.z2 = el.z2 + (z2EmphasisLift != null ? z2EmphasisLift : Z2_EMPHASIS_LIFT);\n    }\n  }\n\n  return state;\n}\n\nfunction createSelectDefaultState(el, stateName, state) {\n  // const hasSelect = indexOf(el.currentStates, stateName) >= 0;\n  if (state) {\n    // TODO Share with textContent?\n    if (state.z2 == null) {\n      state = extend({}, state);\n      var z2SelectLift = el.z2SelectLift;\n      state.z2 = el.z2 + (z2SelectLift != null ? z2SelectLift : Z2_SELECT_LIFT);\n    }\n  }\n\n  return state;\n}\n\nfunction createBlurDefaultState(el, stateName, state) {\n  var hasBlur = indexOf(el.currentStates, stateName) >= 0;\n  var currentOpacity = el.style.opacity;\n  var fromState = !hasBlur ? getFromStateStyle(el, ['opacity'], stateName, {\n    opacity: 1\n  }) : null;\n  state = state || {};\n  var blurStyle = state.style || {};\n\n  if (blurStyle.opacity == null) {\n    // clone state\n    state = extend({}, state);\n    blurStyle = extend({\n      // Already being applied 'emphasis'. DON'T mul opacity multiple times.\n      opacity: hasBlur ? currentOpacity : fromState.opacity * 0.1\n    }, blurStyle);\n    state.style = blurStyle;\n  }\n\n  return state;\n}\n\nfunction elementStateProxy(stateName, targetStates) {\n  var state = this.states[stateName];\n\n  if (this.style) {\n    if (stateName === 'emphasis') {\n      return createEmphasisDefaultState(this, stateName, targetStates, state);\n    } else if (stateName === 'blur') {\n      return createBlurDefaultState(this, stateName, state);\n    } else if (stateName === 'select') {\n      return createSelectDefaultState(this, stateName, state);\n    }\n  }\n\n  return state;\n}\n/**FI\n * Set hover style (namely \"emphasis style\") of element.\n * @param el Should not be `zrender/graphic/Group`.\n * @param focus 'self' | 'selfInSeries' | 'series'\n */\n\n\nexport function setDefaultStateProxy(el) {\n  el.stateProxy = elementStateProxy;\n  var textContent = el.getTextContent();\n  var textGuide = el.getTextGuideLine();\n\n  if (textContent) {\n    textContent.stateProxy = elementStateProxy;\n  }\n\n  if (textGuide) {\n    textGuide.stateProxy = elementStateProxy;\n  }\n}\nexport function enterEmphasisWhenMouseOver(el, e) {\n  !shouldSilent(el, e) // \"emphasis\" event highlight has higher priority than mouse highlight.\n  && !el.__highByOuter && traverseUpdateState(el, singleEnterEmphasis);\n}\nexport function leaveEmphasisWhenMouseOut(el, e) {\n  !shouldSilent(el, e) // \"emphasis\" event highlight has higher priority than mouse highlight.\n  && !el.__highByOuter && traverseUpdateState(el, singleLeaveEmphasis);\n}\nexport function enterEmphasis(el, highlightDigit) {\n  el.__highByOuter |= 1 << (highlightDigit || 0);\n  traverseUpdateState(el, singleEnterEmphasis);\n}\nexport function leaveEmphasis(el, highlightDigit) {\n  !(el.__highByOuter &= ~(1 << (highlightDigit || 0))) && traverseUpdateState(el, singleLeaveEmphasis);\n}\nexport function enterBlur(el) {\n  traverseUpdateState(el, singleEnterBlur);\n}\nexport function leaveBlur(el) {\n  traverseUpdateState(el, singleLeaveBlur);\n}\nexport function enterSelect(el) {\n  traverseUpdateState(el, singleEnterSelect);\n}\nexport function leaveSelect(el) {\n  traverseUpdateState(el, singleLeaveSelect);\n}\n\nfunction shouldSilent(el, e) {\n  return el.__highDownSilentOnTouch && e.zrByTouch;\n}\n\nexport function allLeaveBlur(api) {\n  var model = api.getModel();\n  model.eachComponent(function (componentType, componentModel) {\n    var view = componentType === 'series' ? api.getViewOfSeriesModel(componentModel) : api.getViewOfComponentModel(componentModel); // Leave blur anyway\n\n    view.group.traverse(function (child) {\n      singleLeaveBlur(child);\n    });\n  });\n}\nexport function blurSeries(targetSeriesIndex, focus, blurScope, api) {\n  var ecModel = api.getModel();\n  blurScope = blurScope || 'coordinateSystem';\n\n  function leaveBlurOfIndices(data, dataIndices) {\n    for (var i = 0; i < dataIndices.length; i++) {\n      var itemEl = data.getItemGraphicEl(dataIndices[i]);\n      itemEl && leaveBlur(itemEl);\n    }\n  }\n\n  if (targetSeriesIndex == null) {\n    return;\n  }\n\n  if (!focus || focus === 'none') {\n    return;\n  }\n\n  var targetSeriesModel = ecModel.getSeriesByIndex(targetSeriesIndex);\n  var targetCoordSys = targetSeriesModel.coordinateSystem;\n\n  if (targetCoordSys && targetCoordSys.master) {\n    targetCoordSys = targetCoordSys.master;\n  }\n\n  var blurredSeries = [];\n  ecModel.eachSeries(function (seriesModel) {\n    var sameSeries = targetSeriesModel === seriesModel;\n    var coordSys = seriesModel.coordinateSystem;\n\n    if (coordSys && coordSys.master) {\n      coordSys = coordSys.master;\n    }\n\n    var sameCoordSys = coordSys && targetCoordSys ? coordSys === targetCoordSys : sameSeries; // If there is no coordinate system. use sameSeries instead.\n\n    if (!( // Not blur other series if blurScope series\n    blurScope === 'series' && !sameSeries // Not blur other coordinate system if blurScope is coordinateSystem\n    || blurScope === 'coordinateSystem' && !sameCoordSys // Not blur self series if focus is series.\n    || focus === 'series' && sameSeries // TODO blurScope: coordinate system\n    )) {\n      var view = api.getViewOfSeriesModel(seriesModel);\n      view.group.traverse(function (child) {\n        singleEnterBlur(child);\n      });\n\n      if (isArrayLike(focus)) {\n        leaveBlurOfIndices(seriesModel.getData(), focus);\n      } else if (isObject(focus)) {\n        var dataTypes = keys(focus);\n\n        for (var d = 0; d < dataTypes.length; d++) {\n          leaveBlurOfIndices(seriesModel.getData(dataTypes[d]), focus[dataTypes[d]]);\n        }\n      }\n\n      blurredSeries.push(seriesModel);\n    }\n  });\n  ecModel.eachComponent(function (componentType, componentModel) {\n    if (componentType === 'series') {\n      return;\n    }\n\n    var view = api.getViewOfComponentModel(componentModel);\n\n    if (view && view.blurSeries) {\n      view.blurSeries(blurredSeries, ecModel);\n    }\n  });\n}\nexport function blurComponent(componentMainType, componentIndex, api) {\n  if (componentMainType == null || componentIndex == null) {\n    return;\n  }\n\n  var componentModel = api.getModel().getComponent(componentMainType, componentIndex);\n\n  if (!componentModel) {\n    return;\n  }\n\n  var view = api.getViewOfComponentModel(componentModel);\n\n  if (!view || !view.focusBlurEnabled) {\n    return;\n  }\n\n  view.group.traverse(function (child) {\n    singleEnterBlur(child);\n  });\n}\nexport function blurSeriesFromHighlightPayload(seriesModel, payload, api) {\n  var seriesIndex = seriesModel.seriesIndex;\n  var data = seriesModel.getData(payload.dataType);\n  var dataIndex = queryDataIndex(data, payload); // Pick the first one if there is multiple/none exists.\n\n  dataIndex = (isArray(dataIndex) ? dataIndex[0] : dataIndex) || 0;\n  var el = data.getItemGraphicEl(dataIndex);\n\n  if (!el) {\n    var count = data.count();\n    var current = 0; // If data on dataIndex is NaN.\n\n    while (!el && current < count) {\n      el = data.getItemGraphicEl(current++);\n    }\n  }\n\n  if (el) {\n    var ecData = getECData(el);\n    blurSeries(seriesIndex, ecData.focus, ecData.blurScope, api);\n  } else {\n    // If there is no element put on the data. Try getting it from raw option\n    // TODO Should put it on seriesModel?\n    var focus_1 = seriesModel.get(['emphasis', 'focus']);\n    var blurScope = seriesModel.get(['emphasis', 'blurScope']);\n\n    if (focus_1 != null) {\n      blurSeries(seriesIndex, focus_1, blurScope, api);\n    }\n  }\n}\nexport function findComponentHighDownDispatchers(componentMainType, componentIndex, name, api) {\n  var ret = {\n    focusSelf: false,\n    dispatchers: null\n  };\n\n  if (componentMainType == null || componentMainType === 'series' || componentIndex == null || name == null) {\n    return ret;\n  }\n\n  var componentModel = api.getModel().getComponent(componentMainType, componentIndex);\n\n  if (!componentModel) {\n    return ret;\n  }\n\n  var view = api.getViewOfComponentModel(componentModel);\n\n  if (!view || !view.findHighDownDispatchers) {\n    return ret;\n  }\n\n  var dispatchers = view.findHighDownDispatchers(name); // At presnet, the component (like Geo) only blur inside itself.\n  // So we do not use `blurScope` in component.\n\n  var focusSelf;\n\n  for (var i = 0; i < dispatchers.length; i++) {\n    if (process.env.NODE_ENV !== 'production' && !isHighDownDispatcher(dispatchers[i])) {\n      error('param should be highDownDispatcher');\n    }\n\n    if (getECData(dispatchers[i]).focus === 'self') {\n      focusSelf = true;\n      break;\n    }\n  }\n\n  return {\n    focusSelf: focusSelf,\n    dispatchers: dispatchers\n  };\n}\nexport function handleGlobalMouseOverForHighDown(dispatcher, e, api) {\n  if (process.env.NODE_ENV !== 'production' && !isHighDownDispatcher(dispatcher)) {\n    error('param should be highDownDispatcher');\n  }\n\n  var ecData = getECData(dispatcher);\n\n  var _a = findComponentHighDownDispatchers(ecData.componentMainType, ecData.componentIndex, ecData.componentHighDownName, api),\n      dispatchers = _a.dispatchers,\n      focusSelf = _a.focusSelf; // If `findHighDownDispatchers` is supported on the component,\n  // highlight/downplay elements with the same name.\n\n\n  if (dispatchers) {\n    if (focusSelf) {\n      blurComponent(ecData.componentMainType, ecData.componentIndex, api);\n    }\n\n    each(dispatchers, function (dispatcher) {\n      return enterEmphasisWhenMouseOver(dispatcher, e);\n    });\n  } else {\n    // Try blur all in the related series. Then emphasis the hoverred.\n    // TODO. progressive mode.\n    blurSeries(ecData.seriesIndex, ecData.focus, ecData.blurScope, api);\n\n    if (ecData.focus === 'self') {\n      blurComponent(ecData.componentMainType, ecData.componentIndex, api);\n    } // Other than series, component that not support `findHighDownDispatcher` will\n    // also use it. But in this case, highlight/downplay are only supported in\n    // mouse hover but not in dispatchAction.\n\n\n    enterEmphasisWhenMouseOver(dispatcher, e);\n  }\n}\nexport function handleGlboalMouseOutForHighDown(dispatcher, e, api) {\n  if (process.env.NODE_ENV !== 'production' && !isHighDownDispatcher(dispatcher)) {\n    error('param should be highDownDispatcher');\n  }\n\n  allLeaveBlur(api);\n  var ecData = getECData(dispatcher);\n  var dispatchers = findComponentHighDownDispatchers(ecData.componentMainType, ecData.componentIndex, ecData.componentHighDownName, api).dispatchers;\n\n  if (dispatchers) {\n    each(dispatchers, function (dispatcher) {\n      return leaveEmphasisWhenMouseOut(dispatcher, e);\n    });\n  } else {\n    leaveEmphasisWhenMouseOut(dispatcher, e);\n  }\n}\nexport function toggleSelectionFromPayload(seriesModel, payload, api) {\n  if (!isSelectChangePayload(payload)) {\n    return;\n  }\n\n  var dataType = payload.dataType;\n  var data = seriesModel.getData(dataType);\n  var dataIndex = queryDataIndex(data, payload);\n\n  if (!isArray(dataIndex)) {\n    dataIndex = [dataIndex];\n  }\n\n  seriesModel[payload.type === TOGGLE_SELECT_ACTION_TYPE ? 'toggleSelect' : payload.type === SELECT_ACTION_TYPE ? 'select' : 'unselect'](dataIndex, dataType);\n}\nexport function updateSeriesElementSelection(seriesModel) {\n  var allData = seriesModel.getAllData();\n  each(allData, function (_a) {\n    var data = _a.data,\n        type = _a.type;\n    data.eachItemGraphicEl(function (el, idx) {\n      seriesModel.isSelected(idx, type) ? enterSelect(el) : leaveSelect(el);\n    });\n  });\n}\nexport function getAllSelectedIndices(ecModel) {\n  var ret = [];\n  ecModel.eachSeries(function (seriesModel) {\n    var allData = seriesModel.getAllData();\n    each(allData, function (_a) {\n      var data = _a.data,\n          type = _a.type;\n      var dataIndices = seriesModel.getSelectedDataIndices();\n\n      if (dataIndices.length > 0) {\n        var item = {\n          dataIndex: dataIndices,\n          seriesIndex: seriesModel.seriesIndex\n        };\n\n        if (type != null) {\n          item.dataType = type;\n        }\n\n        ret.push(item);\n      }\n    });\n  });\n  return ret;\n}\n/**\n * Enable the function that mouseover will trigger the emphasis state.\n *\n * NOTE:\n * This function should be used on the element with dataIndex, seriesIndex.\n *\n */\n\nexport function enableHoverEmphasis(el, focus, blurScope) {\n  setAsHighDownDispatcher(el, true);\n  traverseUpdateState(el, setDefaultStateProxy);\n  enableHoverFocus(el, focus, blurScope);\n}\nexport function enableHoverFocus(el, focus, blurScope) {\n  var ecData = getECData(el);\n\n  if (focus != null) {\n    // TODO dataIndex may be set after this function. This check is not useful.\n    // if (ecData.dataIndex == null) {\n    //     if (__DEV__) {\n    //         console.warn('focus can only been set on element with dataIndex');\n    //     }\n    // }\n    // else {\n    ecData.focus = focus;\n    ecData.blurScope = blurScope; // }\n  } else if (ecData.focus) {\n    ecData.focus = null;\n  }\n}\nvar OTHER_STATES = ['emphasis', 'blur', 'select'];\nvar defaultStyleGetterMap = {\n  itemStyle: 'getItemStyle',\n  lineStyle: 'getLineStyle',\n  areaStyle: 'getAreaStyle'\n};\n/**\n * Set emphasis/blur/selected states of element.\n */\n\nexport function setStatesStylesFromModel(el, itemModel, styleType, // default itemStyle\ngetter) {\n  styleType = styleType || 'itemStyle';\n\n  for (var i = 0; i < OTHER_STATES.length; i++) {\n    var stateName = OTHER_STATES[i];\n    var model = itemModel.getModel([stateName, styleType]);\n    var state = el.ensureState(stateName); // Let it throw error if getterType is not found.\n\n    state.style = getter ? getter(model) : model[defaultStyleGetterMap[styleType]]();\n  }\n}\n/**\n * @parame el\n * @param el.highDownSilentOnTouch\n *        In touch device, mouseover event will be trigger on touchstart event\n *        (see module:zrender/dom/HandlerProxy). By this mechanism, we can\n *        conveniently use hoverStyle when tap on touch screen without additional\n *        code for compatibility.\n *        But if the chart/component has select feature, which usually also use\n *        hoverStyle, there might be conflict between 'select-highlight' and\n *        'hover-highlight' especially when roam is enabled (see geo for example).\n *        In this case, `highDownSilentOnTouch` should be used to disable\n *        hover-highlight on touch device.\n * @param asDispatcher If `false`, do not set as \"highDownDispatcher\".\n */\n\nexport function setAsHighDownDispatcher(el, asDispatcher) {\n  var disable = asDispatcher === false;\n  var extendedEl = el; // Make `highDownSilentOnTouch` and `onStateChange` only work after\n  // `setAsHighDownDispatcher` called. Avoid it is modified by user unexpectedly.\n\n  if (el.highDownSilentOnTouch) {\n    extendedEl.__highDownSilentOnTouch = el.highDownSilentOnTouch;\n  } // Simple optimize, since this method might be\n  // called for each elements of a group in some cases.\n\n\n  if (!disable || extendedEl.__highDownDispatcher) {\n    // Emphasis, normal can be triggered manually by API or other components like hover link.\n    // el[method]('emphasis', onElementEmphasisEvent)[method]('normal', onElementNormalEvent);\n    // Also keep previous record.\n    extendedEl.__highByOuter = extendedEl.__highByOuter || 0;\n    extendedEl.__highDownDispatcher = !disable;\n  }\n}\nexport function isHighDownDispatcher(el) {\n  return !!(el && el.__highDownDispatcher);\n}\n/**\n * Enable component highlight/downplay features:\n * + hover link (within the same name)\n * + focus blur in component\n */\n\nexport function enableComponentHighDownFeatures(el, componentModel, componentHighDownName) {\n  var ecData = getECData(el);\n  ecData.componentMainType = componentModel.mainType;\n  ecData.componentIndex = componentModel.componentIndex;\n  ecData.componentHighDownName = componentHighDownName;\n}\n/**\n * Support hightlight/downplay record on each elements.\n * For the case: hover highlight/downplay (legend, visualMap, ...) and\n * user triggerred hightlight/downplay should not conflict.\n * Only all of the highlightDigit cleared, return to normal.\n * @param {string} highlightKey\n * @return {number} highlightDigit\n */\n\nexport function getHighlightDigit(highlightKey) {\n  var highlightDigit = _highlightKeyMap[highlightKey];\n\n  if (highlightDigit == null && _highlightNextDigit <= 32) {\n    highlightDigit = _highlightKeyMap[highlightKey] = _highlightNextDigit++;\n  }\n\n  return highlightDigit;\n}\nexport function isSelectChangePayload(payload) {\n  var payloadType = payload.type;\n  return payloadType === SELECT_ACTION_TYPE || payloadType === UNSELECT_ACTION_TYPE || payloadType === TOGGLE_SELECT_ACTION_TYPE;\n}\nexport function isHighDownPayload(payload) {\n  var payloadType = payload.type;\n  return payloadType === HIGHLIGHT_ACTION_TYPE || payloadType === DOWNPLAY_ACTION_TYPE;\n}\nexport function savePathStates(el) {\n  var store = getSavedStates(el);\n  store.normalFill = el.style.fill;\n  store.normalStroke = el.style.stroke;\n  var selectState = el.states.select || {};\n  store.selectFill = selectState.style && selectState.style.fill || null;\n  store.selectStroke = selectState.style && selectState.style.stroke || null;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nfunction dataIndexMapValueLength(valNumOrArrLengthMoreThan2) {\n  return valNumOrArrLengthMoreThan2 == null ? 0 : valNumOrArrLengthMoreThan2.length || 1;\n}\n\nfunction defaultKeyGetter(item) {\n  return item;\n}\n\nvar DataDiffer =\n/** @class */\nfunction () {\n  /**\n   * @param context Can be visited by this.context in callback.\n   */\n  function DataDiffer(oldArr, newArr, oldKeyGetter, newKeyGetter, context, // By default: 'oneToOne'.\n  diffMode) {\n    this._old = oldArr;\n    this._new = newArr;\n    this._oldKeyGetter = oldKeyGetter || defaultKeyGetter;\n    this._newKeyGetter = newKeyGetter || defaultKeyGetter; // Visible in callback via `this.context`;\n\n    this.context = context;\n    this._diffModeMultiple = diffMode === 'multiple';\n  }\n  /**\n   * Callback function when add a data\n   */\n\n\n  DataDiffer.prototype.add = function (func) {\n    this._add = func;\n    return this;\n  };\n  /**\n   * Callback function when update a data\n   */\n\n\n  DataDiffer.prototype.update = function (func) {\n    this._update = func;\n    return this;\n  };\n  /**\n   * Callback function when update a data and only work in `cbMode: 'byKey'`.\n   */\n\n\n  DataDiffer.prototype.updateManyToOne = function (func) {\n    this._updateManyToOne = func;\n    return this;\n  };\n  /**\n   * Callback function when update a data and only work in `cbMode: 'byKey'`.\n   */\n\n\n  DataDiffer.prototype.updateOneToMany = function (func) {\n    this._updateOneToMany = func;\n    return this;\n  };\n  /**\n   * Callback function when remove a data\n   */\n\n\n  DataDiffer.prototype.remove = function (func) {\n    this._remove = func;\n    return this;\n  };\n\n  DataDiffer.prototype.execute = function () {\n    this[this._diffModeMultiple ? '_executeMultiple' : '_executeOneToOne']();\n  };\n\n  DataDiffer.prototype._executeOneToOne = function () {\n    var oldArr = this._old;\n    var newArr = this._new;\n    var newDataIndexMap = {};\n    var oldDataKeyArr = new Array(oldArr.length);\n    var newDataKeyArr = new Array(newArr.length);\n\n    this._initIndexMap(oldArr, null, oldDataKeyArr, '_oldKeyGetter');\n\n    this._initIndexMap(newArr, newDataIndexMap, newDataKeyArr, '_newKeyGetter');\n\n    for (var i = 0; i < oldArr.length; i++) {\n      var oldKey = oldDataKeyArr[i];\n      var newIdxMapVal = newDataIndexMap[oldKey];\n      var newIdxMapValLen = dataIndexMapValueLength(newIdxMapVal); // idx can never be empty array here. see 'set null' logic below.\n\n      if (newIdxMapValLen > 1) {\n        // Consider there is duplicate key (for example, use dataItem.name as key).\n        // We should make sure every item in newArr and oldArr can be visited.\n        var newIdx = newIdxMapVal.shift();\n\n        if (newIdxMapVal.length === 1) {\n          newDataIndexMap[oldKey] = newIdxMapVal[0];\n        }\n\n        this._update && this._update(newIdx, i);\n      } else if (newIdxMapValLen === 1) {\n        newDataIndexMap[oldKey] = null;\n        this._update && this._update(newIdxMapVal, i);\n      } else {\n        this._remove && this._remove(i);\n      }\n    }\n\n    this._performRestAdd(newDataKeyArr, newDataIndexMap);\n  };\n  /**\n   * For example, consider the case:\n   * oldData: [o0, o1, o2, o3, o4, o5, o6, o7],\n   * newData: [n0, n1, n2, n3, n4, n5, n6, n7, n8],\n   * Where:\n   *     o0, o1, n0 has key 'a' (many to one)\n   *     o5, n4, n5, n6 has key 'b' (one to many)\n   *     o2, n1 has key 'c' (one to one)\n   *     n2, n3 has key 'd' (add)\n   *     o3, o4 has key 'e' (remove)\n   *     o6, o7, n7, n8 has key 'f' (many to many, treated as add and remove)\n   * Then:\n   *     (The order of the following directives are not ensured.)\n   *     this._updateManyToOne(n0, [o0, o1]);\n   *     this._updateOneToMany([n4, n5, n6], o5);\n   *     this._update(n1, o2);\n   *     this._remove(o3);\n   *     this._remove(o4);\n   *     this._remove(o6);\n   *     this._remove(o7);\n   *     this._add(n2);\n   *     this._add(n3);\n   *     this._add(n7);\n   *     this._add(n8);\n   */\n\n\n  DataDiffer.prototype._executeMultiple = function () {\n    var oldArr = this._old;\n    var newArr = this._new;\n    var oldDataIndexMap = {};\n    var newDataIndexMap = {};\n    var oldDataKeyArr = [];\n    var newDataKeyArr = [];\n\n    this._initIndexMap(oldArr, oldDataIndexMap, oldDataKeyArr, '_oldKeyGetter');\n\n    this._initIndexMap(newArr, newDataIndexMap, newDataKeyArr, '_newKeyGetter');\n\n    for (var i = 0; i < oldDataKeyArr.length; i++) {\n      var oldKey = oldDataKeyArr[i];\n      var oldIdxMapVal = oldDataIndexMap[oldKey];\n      var newIdxMapVal = newDataIndexMap[oldKey];\n      var oldIdxMapValLen = dataIndexMapValueLength(oldIdxMapVal);\n      var newIdxMapValLen = dataIndexMapValueLength(newIdxMapVal);\n\n      if (oldIdxMapValLen > 1 && newIdxMapValLen === 1) {\n        this._updateManyToOne && this._updateManyToOne(newIdxMapVal, oldIdxMapVal);\n        newDataIndexMap[oldKey] = null;\n      } else if (oldIdxMapValLen === 1 && newIdxMapValLen > 1) {\n        this._updateOneToMany && this._updateOneToMany(newIdxMapVal, oldIdxMapVal);\n        newDataIndexMap[oldKey] = null;\n      } else if (oldIdxMapValLen === 1 && newIdxMapValLen === 1) {\n        this._update && this._update(newIdxMapVal, oldIdxMapVal);\n        newDataIndexMap[oldKey] = null;\n      } else if (oldIdxMapValLen > 1) {\n        for (var i_1 = 0; i_1 < oldIdxMapValLen; i_1++) {\n          this._remove && this._remove(oldIdxMapVal[i_1]);\n        }\n      } else {\n        this._remove && this._remove(oldIdxMapVal);\n      }\n    }\n\n    this._performRestAdd(newDataKeyArr, newDataIndexMap);\n  };\n\n  DataDiffer.prototype._performRestAdd = function (newDataKeyArr, newDataIndexMap) {\n    for (var i = 0; i < newDataKeyArr.length; i++) {\n      var newKey = newDataKeyArr[i];\n      var newIdxMapVal = newDataIndexMap[newKey];\n      var idxMapValLen = dataIndexMapValueLength(newIdxMapVal);\n\n      if (idxMapValLen > 1) {\n        for (var j = 0; j < idxMapValLen; j++) {\n          this._add && this._add(newIdxMapVal[j]);\n        }\n      } else if (idxMapValLen === 1) {\n        this._add && this._add(newIdxMapVal);\n      } // Support both `newDataKeyArr` are duplication removed or not removed.\n\n\n      newDataIndexMap[newKey] = null;\n    }\n  };\n\n  DataDiffer.prototype._initIndexMap = function (arr, // Can be null.\n  map, // In 'byKey', the output `keyArr` is duplication removed.\n  // In 'byIndex', the output `keyArr` is not duplication removed and\n  //     its indices are accurately corresponding to `arr`.\n  keyArr, keyGetterName) {\n    var cbModeMultiple = this._diffModeMultiple;\n\n    for (var i = 0; i < arr.length; i++) {\n      // Add prefix to avoid conflict with Object.prototype.\n      var key = '_ec_' + this[keyGetterName](arr[i], i);\n\n      if (!cbModeMultiple) {\n        keyArr[i] = key;\n      }\n\n      if (!map) {\n        continue;\n      }\n\n      var idxMapVal = map[key];\n      var idxMapValLen = dataIndexMapValueLength(idxMapVal);\n\n      if (idxMapValLen === 0) {\n        // Simple optimize: in most cases, one index has one key,\n        // do not need array.\n        map[key] = i;\n\n        if (cbModeMultiple) {\n          keyArr.push(key);\n        }\n      } else if (idxMapValLen === 1) {\n        map[key] = [idxMapVal, i];\n      } else {\n        idxMapVal.push(i);\n      }\n    }\n  };\n\n  return DataDiffer;\n}();\n\nexport default DataDiffer;","import { __extends } from \"tslib\";\nimport Path from '../Path';\nimport * as polyHelper from '../helper/poly';\nvar PolygonShape = (function () {\n    function PolygonShape() {\n        this.points = null;\n        this.smooth = 0;\n        this.smoothConstraint = null;\n    }\n    return PolygonShape;\n}());\nexport { PolygonShape };\nvar Polygon = (function (_super) {\n    __extends(Polygon, _super);\n    function Polygon(opts) {\n        return _super.call(this, opts) || this;\n    }\n    Polygon.prototype.getDefaultShape = function () {\n        return new PolygonShape();\n    };\n    Polygon.prototype.buildPath = function (ctx, shape) {\n        polyHelper.buildPath(ctx, shape, true);\n    };\n    return Polygon;\n}(Path));\n;\nPolygon.prototype.type = 'polygon';\nexport default Polygon;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as textContain from 'zrender/lib/contain/text';\nimport { makeInner } from '../util/model';\nimport { makeLabelFormatter, getOptionCategoryInterval, shouldShowAllLabels } from './axisHelper';\nvar inner = makeInner();\nexport function createAxisLabels(axis) {\n  // Only ordinal scale support tick interval\n  return axis.type === 'category' ? makeCategoryLabels(axis) : makeRealNumberLabels(axis);\n}\n/**\n * @param {module:echats/coord/Axis} axis\n * @param {module:echarts/model/Model} tickModel For example, can be axisTick, splitLine, splitArea.\n * @return {Object} {\n *     ticks: Array.<number>\n *     tickCategoryInterval: number\n * }\n */\n\nexport function createAxisTicks(axis, tickModel) {\n  // Only ordinal scale support tick interval\n  return axis.type === 'category' ? makeCategoryTicks(axis, tickModel) : {\n    ticks: zrUtil.map(axis.scale.getTicks(), function (tick) {\n      return tick.value;\n    })\n  };\n}\n\nfunction makeCategoryLabels(axis) {\n  var labelModel = axis.getLabelModel();\n  var result = makeCategoryLabelsActually(axis, labelModel);\n  return !labelModel.get('show') || axis.scale.isBlank() ? {\n    labels: [],\n    labelCategoryInterval: result.labelCategoryInterval\n  } : result;\n}\n\nfunction makeCategoryLabelsActually(axis, labelModel) {\n  var labelsCache = getListCache(axis, 'labels');\n  var optionLabelInterval = getOptionCategoryInterval(labelModel);\n  var result = listCacheGet(labelsCache, optionLabelInterval);\n\n  if (result) {\n    return result;\n  }\n\n  var labels;\n  var numericLabelInterval;\n\n  if (zrUtil.isFunction(optionLabelInterval)) {\n    labels = makeLabelsByCustomizedCategoryInterval(axis, optionLabelInterval);\n  } else {\n    numericLabelInterval = optionLabelInterval === 'auto' ? makeAutoCategoryInterval(axis) : optionLabelInterval;\n    labels = makeLabelsByNumericCategoryInterval(axis, numericLabelInterval);\n  } // Cache to avoid calling interval function repeatly.\n\n\n  return listCacheSet(labelsCache, optionLabelInterval, {\n    labels: labels,\n    labelCategoryInterval: numericLabelInterval\n  });\n}\n\nfunction makeCategoryTicks(axis, tickModel) {\n  var ticksCache = getListCache(axis, 'ticks');\n  var optionTickInterval = getOptionCategoryInterval(tickModel);\n  var result = listCacheGet(ticksCache, optionTickInterval);\n\n  if (result) {\n    return result;\n  }\n\n  var ticks;\n  var tickCategoryInterval; // Optimize for the case that large category data and no label displayed,\n  // we should not return all ticks.\n\n  if (!tickModel.get('show') || axis.scale.isBlank()) {\n    ticks = [];\n  }\n\n  if (zrUtil.isFunction(optionTickInterval)) {\n    ticks = makeLabelsByCustomizedCategoryInterval(axis, optionTickInterval, true);\n  } // Always use label interval by default despite label show. Consider this\n  // scenario, Use multiple grid with the xAxis sync, and only one xAxis shows\n  // labels. `splitLine` and `axisTick` should be consistent in this case.\n  else if (optionTickInterval === 'auto') {\n      var labelsResult = makeCategoryLabelsActually(axis, axis.getLabelModel());\n      tickCategoryInterval = labelsResult.labelCategoryInterval;\n      ticks = zrUtil.map(labelsResult.labels, function (labelItem) {\n        return labelItem.tickValue;\n      });\n    } else {\n      tickCategoryInterval = optionTickInterval;\n      ticks = makeLabelsByNumericCategoryInterval(axis, tickCategoryInterval, true);\n    } // Cache to avoid calling interval function repeatly.\n\n\n  return listCacheSet(ticksCache, optionTickInterval, {\n    ticks: ticks,\n    tickCategoryInterval: tickCategoryInterval\n  });\n}\n\nfunction makeRealNumberLabels(axis) {\n  var ticks = axis.scale.getTicks();\n  var labelFormatter = makeLabelFormatter(axis);\n  return {\n    labels: zrUtil.map(ticks, function (tick, idx) {\n      return {\n        formattedLabel: labelFormatter(tick, idx),\n        rawLabel: axis.scale.getLabel(tick),\n        tickValue: tick.value\n      };\n    })\n  };\n}\n\nfunction getListCache(axis, prop) {\n  // Because key can be funciton, and cache size always be small, we use array cache.\n  return inner(axis)[prop] || (inner(axis)[prop] = []);\n}\n\nfunction listCacheGet(cache, key) {\n  for (var i = 0; i < cache.length; i++) {\n    if (cache[i].key === key) {\n      return cache[i].value;\n    }\n  }\n}\n\nfunction listCacheSet(cache, key, value) {\n  cache.push({\n    key: key,\n    value: value\n  });\n  return value;\n}\n\nfunction makeAutoCategoryInterval(axis) {\n  var result = inner(axis).autoInterval;\n  return result != null ? result : inner(axis).autoInterval = axis.calculateCategoryInterval();\n}\n/**\n * Calculate interval for category axis ticks and labels.\n * To get precise result, at least one of `getRotate` and `isHorizontal`\n * should be implemented in axis.\n */\n\n\nexport function calculateCategoryInterval(axis) {\n  var params = fetchAutoCategoryIntervalCalculationParams(axis);\n  var labelFormatter = makeLabelFormatter(axis);\n  var rotation = (params.axisRotate - params.labelRotate) / 180 * Math.PI;\n  var ordinalScale = axis.scale;\n  var ordinalExtent = ordinalScale.getExtent(); // Providing this method is for optimization:\n  // avoid generating a long array by `getTicks`\n  // in large category data case.\n\n  var tickCount = ordinalScale.count();\n\n  if (ordinalExtent[1] - ordinalExtent[0] < 1) {\n    return 0;\n  }\n\n  var step = 1; // Simple optimization. Empirical value: tick count should less than 40.\n\n  if (tickCount > 40) {\n    step = Math.max(1, Math.floor(tickCount / 40));\n  }\n\n  var tickValue = ordinalExtent[0];\n  var unitSpan = axis.dataToCoord(tickValue + 1) - axis.dataToCoord(tickValue);\n  var unitW = Math.abs(unitSpan * Math.cos(rotation));\n  var unitH = Math.abs(unitSpan * Math.sin(rotation));\n  var maxW = 0;\n  var maxH = 0; // Caution: Performance sensitive for large category data.\n  // Consider dataZoom, we should make appropriate step to avoid O(n) loop.\n\n  for (; tickValue <= ordinalExtent[1]; tickValue += step) {\n    var width = 0;\n    var height = 0; // Not precise, do not consider align and vertical align\n    // and each distance from axis line yet.\n\n    var rect = textContain.getBoundingRect(labelFormatter({\n      value: tickValue\n    }), params.font, 'center', 'top'); // Magic number\n\n    width = rect.width * 1.3;\n    height = rect.height * 1.3; // Min size, void long loop.\n\n    maxW = Math.max(maxW, width, 7);\n    maxH = Math.max(maxH, height, 7);\n  }\n\n  var dw = maxW / unitW;\n  var dh = maxH / unitH; // 0/0 is NaN, 1/0 is Infinity.\n\n  isNaN(dw) && (dw = Infinity);\n  isNaN(dh) && (dh = Infinity);\n  var interval = Math.max(0, Math.floor(Math.min(dw, dh)));\n  var cache = inner(axis.model);\n  var axisExtent = axis.getExtent();\n  var lastAutoInterval = cache.lastAutoInterval;\n  var lastTickCount = cache.lastTickCount; // Use cache to keep interval stable while moving zoom window,\n  // otherwise the calculated interval might jitter when the zoom\n  // window size is close to the interval-changing size.\n  // For example, if all of the axis labels are `a, b, c, d, e, f, g`.\n  // The jitter will cause that sometimes the displayed labels are\n  // `a, d, g` (interval: 2) sometimes `a, c, e`(interval: 1).\n\n  if (lastAutoInterval != null && lastTickCount != null && Math.abs(lastAutoInterval - interval) <= 1 && Math.abs(lastTickCount - tickCount) <= 1 // Always choose the bigger one, otherwise the critical\n  // point is not the same when zooming in or zooming out.\n  && lastAutoInterval > interval // If the axis change is caused by chart resize, the cache should not\n  // be used. Otherwise some hiden labels might not be shown again.\n  && cache.axisExtent0 === axisExtent[0] && cache.axisExtent1 === axisExtent[1]) {\n    interval = lastAutoInterval;\n  } // Only update cache if cache not used, otherwise the\n  // changing of interval is too insensitive.\n  else {\n      cache.lastTickCount = tickCount;\n      cache.lastAutoInterval = interval;\n      cache.axisExtent0 = axisExtent[0];\n      cache.axisExtent1 = axisExtent[1];\n    }\n\n  return interval;\n}\n\nfunction fetchAutoCategoryIntervalCalculationParams(axis) {\n  var labelModel = axis.getLabelModel();\n  return {\n    axisRotate: axis.getRotate ? axis.getRotate() : axis.isHorizontal && !axis.isHorizontal() ? 90 : 0,\n    labelRotate: labelModel.get('rotate') || 0,\n    font: labelModel.getFont()\n  };\n}\n\nfunction makeLabelsByNumericCategoryInterval(axis, categoryInterval, onlyTick) {\n  var labelFormatter = makeLabelFormatter(axis);\n  var ordinalScale = axis.scale;\n  var ordinalExtent = ordinalScale.getExtent();\n  var labelModel = axis.getLabelModel();\n  var result = []; // TODO: axisType: ordinalTime, pick the tick from each month/day/year/...\n\n  var step = Math.max((categoryInterval || 0) + 1, 1);\n  var startTick = ordinalExtent[0];\n  var tickCount = ordinalScale.count(); // Calculate start tick based on zero if possible to keep label consistent\n  // while zooming and moving while interval > 0. Otherwise the selection\n  // of displayable ticks and symbols probably keep changing.\n  // 3 is empirical value.\n\n  if (startTick !== 0 && step > 1 && tickCount / step > 2) {\n    startTick = Math.round(Math.ceil(startTick / step) * step);\n  } // (1) Only add min max label here but leave overlap checking\n  // to render stage, which also ensure the returned list\n  // suitable for splitLine and splitArea rendering.\n  // (2) Scales except category always contain min max label so\n  // do not need to perform this process.\n\n\n  var showAllLabel = shouldShowAllLabels(axis);\n  var includeMinLabel = labelModel.get('showMinLabel') || showAllLabel;\n  var includeMaxLabel = labelModel.get('showMaxLabel') || showAllLabel;\n\n  if (includeMinLabel && startTick !== ordinalExtent[0]) {\n    addItem(ordinalExtent[0]);\n  } // Optimize: avoid generating large array by `ordinalScale.getTicks()`.\n\n\n  var tickValue = startTick;\n\n  for (; tickValue <= ordinalExtent[1]; tickValue += step) {\n    addItem(tickValue);\n  }\n\n  if (includeMaxLabel && tickValue - step !== ordinalExtent[1]) {\n    addItem(ordinalExtent[1]);\n  }\n\n  function addItem(tickValue) {\n    var tickObj = {\n      value: tickValue\n    };\n    result.push(onlyTick ? tickValue : {\n      formattedLabel: labelFormatter(tickObj),\n      rawLabel: ordinalScale.getLabel(tickObj),\n      tickValue: tickValue\n    });\n  }\n\n  return result;\n}\n\nfunction makeLabelsByCustomizedCategoryInterval(axis, categoryInterval, onlyTick) {\n  var ordinalScale = axis.scale;\n  var labelFormatter = makeLabelFormatter(axis);\n  var result = [];\n  zrUtil.each(ordinalScale.getTicks(), function (tick) {\n    var rawLabel = ordinalScale.getLabel(tick);\n    var tickValue = tick.value;\n\n    if (categoryInterval(tick.value, rawLabel)) {\n      result.push(onlyTick ? tickValue : {\n        formattedLabel: labelFormatter(tick),\n        rawLabel: rawLabel,\n        tickValue: tickValue\n      });\n    }\n  });\n  return result;\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { each, map } from 'zrender/lib/core/util';\nimport { linearMap, getPixelPrecision, round } from '../util/number';\nimport { createAxisTicks, createAxisLabels, calculateCategoryInterval } from './axisTickLabelBuilder';\nvar NORMALIZED_EXTENT = [0, 1];\n/**\n * Base class of Axis.\n */\n\nvar Axis =\n/** @class */\nfunction () {\n  function Axis(dim, scale, extent) {\n    this.onBand = false;\n    this.inverse = false;\n    this.dim = dim;\n    this.scale = scale;\n    this._extent = extent || [0, 0];\n  }\n  /**\n   * If axis extent contain given coord\n   */\n\n\n  Axis.prototype.contain = function (coord) {\n    var extent = this._extent;\n    var min = Math.min(extent[0], extent[1]);\n    var max = Math.max(extent[0], extent[1]);\n    return coord >= min && coord <= max;\n  };\n  /**\n   * If axis extent contain given data\n   */\n\n\n  Axis.prototype.containData = function (data) {\n    return this.scale.contain(data);\n  };\n  /**\n   * Get coord extent.\n   */\n\n\n  Axis.prototype.getExtent = function () {\n    return this._extent.slice();\n  };\n  /**\n   * Get precision used for formatting\n   */\n\n\n  Axis.prototype.getPixelPrecision = function (dataExtent) {\n    return getPixelPrecision(dataExtent || this.scale.getExtent(), this._extent);\n  };\n  /**\n   * Set coord extent\n   */\n\n\n  Axis.prototype.setExtent = function (start, end) {\n    var extent = this._extent;\n    extent[0] = start;\n    extent[1] = end;\n  };\n  /**\n   * Convert data to coord. Data is the rank if it has an ordinal scale\n   */\n\n\n  Axis.prototype.dataToCoord = function (data, clamp) {\n    var extent = this._extent;\n    var scale = this.scale;\n    data = scale.normalize(data);\n\n    if (this.onBand && scale.type === 'ordinal') {\n      extent = extent.slice();\n      fixExtentWithBands(extent, scale.count());\n    }\n\n    return linearMap(data, NORMALIZED_EXTENT, extent, clamp);\n  };\n  /**\n   * Convert coord to data. Data is the rank if it has an ordinal scale\n   */\n\n\n  Axis.prototype.coordToData = function (coord, clamp) {\n    var extent = this._extent;\n    var scale = this.scale;\n\n    if (this.onBand && scale.type === 'ordinal') {\n      extent = extent.slice();\n      fixExtentWithBands(extent, scale.count());\n    }\n\n    var t = linearMap(coord, extent, NORMALIZED_EXTENT, clamp);\n    return this.scale.scale(t);\n  };\n  /**\n   * Convert pixel point to data in axis\n   */\n\n\n  Axis.prototype.pointToData = function (point, clamp) {\n    // Should be implemented in derived class if necessary.\n    return;\n  };\n  /**\n   * Different from `zrUtil.map(axis.getTicks(), axis.dataToCoord, axis)`,\n   * `axis.getTicksCoords` considers `onBand`, which is used by\n   * `boundaryGap:true` of category axis and splitLine and splitArea.\n   * @param opt.tickModel default: axis.model.getModel('axisTick')\n   * @param opt.clamp If `true`, the first and the last\n   *        tick must be at the axis end points. Otherwise, clip ticks\n   *        that outside the axis extent.\n   */\n\n\n  Axis.prototype.getTicksCoords = function (opt) {\n    opt = opt || {};\n    var tickModel = opt.tickModel || this.getTickModel();\n    var result = createAxisTicks(this, tickModel);\n    var ticks = result.ticks;\n    var ticksCoords = map(ticks, function (tickVal) {\n      return {\n        coord: this.dataToCoord(this.scale.type === 'ordinal' ? this.scale.getRawOrdinalNumber(tickVal) : tickVal),\n        tickValue: tickVal\n      };\n    }, this);\n    var alignWithLabel = tickModel.get('alignWithLabel');\n    fixOnBandTicksCoords(this, ticksCoords, alignWithLabel, opt.clamp);\n    return ticksCoords;\n  };\n\n  Axis.prototype.getMinorTicksCoords = function () {\n    if (this.scale.type === 'ordinal') {\n      // Category axis doesn't support minor ticks\n      return [];\n    }\n\n    var minorTickModel = this.model.getModel('minorTick');\n    var splitNumber = minorTickModel.get('splitNumber'); // Protection.\n\n    if (!(splitNumber > 0 && splitNumber < 100)) {\n      splitNumber = 5;\n    }\n\n    var minorTicks = this.scale.getMinorTicks(splitNumber);\n    var minorTicksCoords = map(minorTicks, function (minorTicksGroup) {\n      return map(minorTicksGroup, function (minorTick) {\n        return {\n          coord: this.dataToCoord(minorTick),\n          tickValue: minorTick\n        };\n      }, this);\n    }, this);\n    return minorTicksCoords;\n  };\n\n  Axis.prototype.getViewLabels = function () {\n    return createAxisLabels(this).labels;\n  };\n\n  Axis.prototype.getLabelModel = function () {\n    return this.model.getModel('axisLabel');\n  };\n  /**\n   * Notice here we only get the default tick model. For splitLine\n   * or splitArea, we should pass the splitLineModel or splitAreaModel\n   * manually when calling `getTicksCoords`.\n   * In GL, this method may be overrided to:\n   * `axisModel.getModel('axisTick', grid3DModel.getModel('axisTick'));`\n   */\n\n\n  Axis.prototype.getTickModel = function () {\n    return this.model.getModel('axisTick');\n  };\n  /**\n   * Get width of band\n   */\n\n\n  Axis.prototype.getBandWidth = function () {\n    var axisExtent = this._extent;\n    var dataExtent = this.scale.getExtent();\n    var len = dataExtent[1] - dataExtent[0] + (this.onBand ? 1 : 0); // Fix #2728, avoid NaN when only one data.\n\n    len === 0 && (len = 1);\n    var size = Math.abs(axisExtent[1] - axisExtent[0]);\n    return Math.abs(size) / len;\n  };\n  /**\n   * Only be called in category axis.\n   * Can be overrided, consider other axes like in 3D.\n   * @return Auto interval for cateogry axis tick and label\n   */\n\n\n  Axis.prototype.calculateCategoryInterval = function () {\n    return calculateCategoryInterval(this);\n  };\n\n  return Axis;\n}();\n\nfunction fixExtentWithBands(extent, nTick) {\n  var size = extent[1] - extent[0];\n  var len = nTick;\n  var margin = size / len / 2;\n  extent[0] += margin;\n  extent[1] -= margin;\n} // If axis has labels [1, 2, 3, 4]. Bands on the axis are\n// |---1---|---2---|---3---|---4---|.\n// So the displayed ticks and splitLine/splitArea should between\n// each data item, otherwise cause misleading (e.g., split tow bars\n// of a single data item when there are two bar series).\n// Also consider if tickCategoryInterval > 0 and onBand, ticks and\n// splitLine/spliteArea should layout appropriately corresponding\n// to displayed labels. (So we should not use `getBandWidth` in this\n// case).\n\n\nfunction fixOnBandTicksCoords(axis, ticksCoords, alignWithLabel, clamp) {\n  var ticksLen = ticksCoords.length;\n\n  if (!axis.onBand || alignWithLabel || !ticksLen) {\n    return;\n  }\n\n  var axisExtent = axis.getExtent();\n  var last;\n  var diffSize;\n\n  if (ticksLen === 1) {\n    ticksCoords[0].coord = axisExtent[0];\n    last = ticksCoords[1] = {\n      coord: axisExtent[0]\n    };\n  } else {\n    var crossLen = ticksCoords[ticksLen - 1].tickValue - ticksCoords[0].tickValue;\n    var shift_1 = (ticksCoords[ticksLen - 1].coord - ticksCoords[0].coord) / crossLen;\n    each(ticksCoords, function (ticksItem) {\n      ticksItem.coord -= shift_1 / 2;\n    });\n    var dataExtent = axis.scale.getExtent();\n    diffSize = 1 + dataExtent[1] - ticksCoords[ticksLen - 1].tickValue;\n    last = {\n      coord: ticksCoords[ticksLen - 1].coord + shift_1 * diffSize\n    };\n    ticksCoords.push(last);\n  }\n\n  var inverse = axisExtent[0] > axisExtent[1]; // Handling clamp.\n\n  if (littleThan(ticksCoords[0].coord, axisExtent[0])) {\n    clamp ? ticksCoords[0].coord = axisExtent[0] : ticksCoords.shift();\n  }\n\n  if (clamp && littleThan(axisExtent[0], ticksCoords[0].coord)) {\n    ticksCoords.unshift({\n      coord: axisExtent[0]\n    });\n  }\n\n  if (littleThan(axisExtent[1], last.coord)) {\n    clamp ? last.coord = axisExtent[1] : ticksCoords.pop();\n  }\n\n  if (clamp && littleThan(last.coord, axisExtent[1])) {\n    ticksCoords.push({\n      coord: axisExtent[1]\n    });\n  }\n\n  function littleThan(a, b) {\n    // Avoid rounding error cause calculated tick coord different with extent.\n    // It may cause an extra unecessary tick added.\n    a = round(a);\n    b = round(b);\n    return inverse ? a > b : a < b;\n  }\n}\n\nexport default Axis;","var PI2 = Math.PI * 2;\nexport function normalizeRadian(angle) {\n    angle %= PI2;\n    if (angle < 0) {\n        angle += PI2;\n    }\n    return angle;\n}\n","import * as matrix from './matrix';\nimport * as vector from './vector';\nvar mIdentity = matrix.identity;\nvar EPSILON = 5e-5;\nfunction isNotAroundZero(val) {\n    return val > EPSILON || val < -EPSILON;\n}\nvar scaleTmp = [];\nvar tmpTransform = [];\nvar originTransform = matrix.create();\nvar abs = Math.abs;\nvar Transformable = (function () {\n    function Transformable() {\n    }\n    Transformable.prototype.setPosition = function (arr) {\n        this.x = arr[0];\n        this.y = arr[1];\n    };\n    Transformable.prototype.setScale = function (arr) {\n        this.scaleX = arr[0];\n        this.scaleY = arr[1];\n    };\n    Transformable.prototype.setOrigin = function (arr) {\n        this.originX = arr[0];\n        this.originY = arr[1];\n    };\n    Transformable.prototype.needLocalTransform = function () {\n        return isNotAroundZero(this.rotation)\n            || isNotAroundZero(this.x)\n            || isNotAroundZero(this.y)\n            || isNotAroundZero(this.scaleX - 1)\n            || isNotAroundZero(this.scaleY - 1);\n    };\n    Transformable.prototype.updateTransform = function () {\n        var parent = this.parent;\n        var parentHasTransform = parent && parent.transform;\n        var needLocalTransform = this.needLocalTransform();\n        var m = this.transform;\n        if (!(needLocalTransform || parentHasTransform)) {\n            m && mIdentity(m);\n            return;\n        }\n        m = m || matrix.create();\n        if (needLocalTransform) {\n            this.getLocalTransform(m);\n        }\n        else {\n            mIdentity(m);\n        }\n        if (parentHasTransform) {\n            if (needLocalTransform) {\n                matrix.mul(m, parent.transform, m);\n            }\n            else {\n                matrix.copy(m, parent.transform);\n            }\n        }\n        this.transform = m;\n        this._resolveGlobalScaleRatio(m);\n    };\n    Transformable.prototype._resolveGlobalScaleRatio = function (m) {\n        var globalScaleRatio = this.globalScaleRatio;\n        if (globalScaleRatio != null && globalScaleRatio !== 1) {\n            this.getGlobalScale(scaleTmp);\n            var relX = scaleTmp[0] < 0 ? -1 : 1;\n            var relY = scaleTmp[1] < 0 ? -1 : 1;\n            var sx = ((scaleTmp[0] - relX) * globalScaleRatio + relX) / scaleTmp[0] || 0;\n            var sy = ((scaleTmp[1] - relY) * globalScaleRatio + relY) / scaleTmp[1] || 0;\n            m[0] *= sx;\n            m[1] *= sx;\n            m[2] *= sy;\n            m[3] *= sy;\n        }\n        this.invTransform = this.invTransform || matrix.create();\n        matrix.invert(this.invTransform, m);\n    };\n    Transformable.prototype.getLocalTransform = function (m) {\n        return Transformable.getLocalTransform(this, m);\n    };\n    Transformable.prototype.getComputedTransform = function () {\n        var transformNode = this;\n        var ancestors = [];\n        while (transformNode) {\n            ancestors.push(transformNode);\n            transformNode = transformNode.parent;\n        }\n        while (transformNode = ancestors.pop()) {\n            transformNode.updateTransform();\n        }\n        return this.transform;\n    };\n    Transformable.prototype.setLocalTransform = function (m) {\n        if (!m) {\n            return;\n        }\n        var sx = m[0] * m[0] + m[1] * m[1];\n        var sy = m[2] * m[2] + m[3] * m[3];\n        if (isNotAroundZero(sx - 1)) {\n            sx = Math.sqrt(sx);\n        }\n        if (isNotAroundZero(sy - 1)) {\n            sy = Math.sqrt(sy);\n        }\n        if (m[0] < 0) {\n            sx = -sx;\n        }\n        if (m[3] < 0) {\n            sy = -sy;\n        }\n        this.rotation = Math.atan2(-m[1] / sy, m[0] / sx);\n        if (sx < 0 && sy < 0) {\n            this.rotation += Math.PI;\n            sx = -sx;\n            sy = -sy;\n        }\n        this.x = m[4];\n        this.y = m[5];\n        this.scaleX = sx;\n        this.scaleY = sy;\n    };\n    Transformable.prototype.decomposeTransform = function () {\n        if (!this.transform) {\n            return;\n        }\n        var parent = this.parent;\n        var m = this.transform;\n        if (parent && parent.transform) {\n            matrix.mul(tmpTransform, parent.invTransform, m);\n            m = tmpTransform;\n        }\n        var ox = this.originX;\n        var oy = this.originY;\n        if (ox || oy) {\n            originTransform[4] = ox;\n            originTransform[5] = oy;\n            matrix.mul(tmpTransform, m, originTransform);\n            tmpTransform[4] -= ox;\n            tmpTransform[5] -= oy;\n            m = tmpTransform;\n        }\n        this.setLocalTransform(m);\n    };\n    Transformable.prototype.getGlobalScale = function (out) {\n        var m = this.transform;\n        out = out || [];\n        if (!m) {\n            out[0] = 1;\n            out[1] = 1;\n            return out;\n        }\n        out[0] = Math.sqrt(m[0] * m[0] + m[1] * m[1]);\n        out[1] = Math.sqrt(m[2] * m[2] + m[3] * m[3]);\n        if (m[0] < 0) {\n            out[0] = -out[0];\n        }\n        if (m[3] < 0) {\n            out[1] = -out[1];\n        }\n        return out;\n    };\n    Transformable.prototype.transformCoordToLocal = function (x, y) {\n        var v2 = [x, y];\n        var invTransform = this.invTransform;\n        if (invTransform) {\n            vector.applyTransform(v2, v2, invTransform);\n        }\n        return v2;\n    };\n    Transformable.prototype.transformCoordToGlobal = function (x, y) {\n        var v2 = [x, y];\n        var transform = this.transform;\n        if (transform) {\n            vector.applyTransform(v2, v2, transform);\n        }\n        return v2;\n    };\n    Transformable.prototype.getLineScale = function () {\n        var m = this.transform;\n        return m && abs(m[0] - 1) > 1e-10 && abs(m[3] - 1) > 1e-10\n            ? Math.sqrt(abs(m[0] * m[3] - m[2] * m[1]))\n            : 1;\n    };\n    Transformable.getLocalTransform = function (target, m) {\n        m = m || [];\n        mIdentity(m);\n        var ox = target.originX || 0;\n        var oy = target.originY || 0;\n        var sx = target.scaleX;\n        var sy = target.scaleY;\n        var rotation = target.rotation || 0;\n        var x = target.x;\n        var y = target.y;\n        m[4] -= ox;\n        m[5] -= oy;\n        m[0] *= sx;\n        m[1] *= sy;\n        m[2] *= sx;\n        m[3] *= sy;\n        m[4] *= sx;\n        m[5] *= sy;\n        if (rotation) {\n            matrix.rotate(m, m, rotation);\n        }\n        m[4] += ox;\n        m[5] += oy;\n        m[4] += x;\n        m[5] += y;\n        return m;\n    };\n    Transformable.initDefaultProps = (function () {\n        var proto = Transformable.prototype;\n        proto.x = 0;\n        proto.y = 0;\n        proto.scaleX = 1;\n        proto.scaleY = 1;\n        proto.originX = 0;\n        proto.originY = 0;\n        proto.rotation = 0;\n        proto.globalScaleRatio = 1;\n    })();\n    return Transformable;\n}());\n;\nexport default Transformable;\n","import { normalizePassiveListenerOptions, Platform, PlatformModule } from '@angular/cdk/platform';\nimport { Injectable, NgZone, ɵɵdefineInjectable, ɵɵinject, EventEmitter, Directive, ElementRef, Output, Input, HostListener, NgModule } from '@angular/core';\nimport { coerceElement, coerceNumberProperty, coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { EMPTY, Subject, fromEvent } from 'rxjs';\nimport { auditTime, takeUntil } from 'rxjs/operators';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Options to pass to the animationstart listener. */\nvar listenerOptions = normalizePassiveListenerOptions({ passive: true });\n/**\n * An injectable service that can be used to monitor the autofill state of an input.\n * Based on the following blog post:\n * https://medium.com/@brunn/detecting-autofilled-fields-in-javascript-aed598d25da7\n */\nvar AutofillMonitor = /** @class */ (function () {\n    function AutofillMonitor(_platform, _ngZone) {\n        this._platform = _platform;\n        this._ngZone = _ngZone;\n        this._monitoredElements = new Map();\n    }\n    AutofillMonitor.prototype.monitor = function (elementOrRef) {\n        var _this = this;\n        if (!this._platform.isBrowser) {\n            return EMPTY;\n        }\n        var element = coerceElement(elementOrRef);\n        var info = this._monitoredElements.get(element);\n        if (info) {\n            return info.subject.asObservable();\n        }\n        var result = new Subject();\n        var cssClass = 'cdk-text-field-autofilled';\n        var listener = (function (event) {\n            // Animation events fire on initial element render, we check for the presence of the autofill\n            // CSS class to make sure this is a real change in state, not just the initial render before\n            // we fire off events.\n            if (event.animationName === 'cdk-text-field-autofill-start' &&\n                !element.classList.contains(cssClass)) {\n                element.classList.add(cssClass);\n                _this._ngZone.run(function () { return result.next({ target: event.target, isAutofilled: true }); });\n            }\n            else if (event.animationName === 'cdk-text-field-autofill-end' &&\n                element.classList.contains(cssClass)) {\n                element.classList.remove(cssClass);\n                _this._ngZone.run(function () { return result.next({ target: event.target, isAutofilled: false }); });\n            }\n        });\n        this._ngZone.runOutsideAngular(function () {\n            element.addEventListener('animationstart', listener, listenerOptions);\n            element.classList.add('cdk-text-field-autofill-monitored');\n        });\n        this._monitoredElements.set(element, {\n            subject: result,\n            unlisten: function () {\n                element.removeEventListener('animationstart', listener, listenerOptions);\n            }\n        });\n        return result.asObservable();\n    };\n    AutofillMonitor.prototype.stopMonitoring = function (elementOrRef) {\n        var element = coerceElement(elementOrRef);\n        var info = this._monitoredElements.get(element);\n        if (info) {\n            info.unlisten();\n            info.subject.complete();\n            element.classList.remove('cdk-text-field-autofill-monitored');\n            element.classList.remove('cdk-text-field-autofilled');\n            this._monitoredElements.delete(element);\n        }\n    };\n    AutofillMonitor.prototype.ngOnDestroy = function () {\n        var _this = this;\n        this._monitoredElements.forEach(function (_info, element) { return _this.stopMonitoring(element); });\n    };\n    AutofillMonitor.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    AutofillMonitor.ctorParameters = function () { return [\n        { type: Platform },\n        { type: NgZone }\n    ]; };\n    AutofillMonitor.ɵprov = ɵɵdefineInjectable({ factory: function AutofillMonitor_Factory() { return new AutofillMonitor(ɵɵinject(Platform), ɵɵinject(NgZone)); }, token: AutofillMonitor, providedIn: \"root\" });\n    return AutofillMonitor;\n}());\n/** A directive that can be used to monitor the autofill state of an input. */\nvar CdkAutofill = /** @class */ (function () {\n    function CdkAutofill(_elementRef, _autofillMonitor) {\n        this._elementRef = _elementRef;\n        this._autofillMonitor = _autofillMonitor;\n        /** Emits when the autofill state of the element changes. */\n        this.cdkAutofill = new EventEmitter();\n    }\n    CdkAutofill.prototype.ngOnInit = function () {\n        var _this = this;\n        this._autofillMonitor\n            .monitor(this._elementRef)\n            .subscribe(function (event) { return _this.cdkAutofill.emit(event); });\n    };\n    CdkAutofill.prototype.ngOnDestroy = function () {\n        this._autofillMonitor.stopMonitoring(this._elementRef);\n    };\n    CdkAutofill.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkAutofill]',\n                },] }\n    ];\n    /** @nocollapse */\n    CdkAutofill.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: AutofillMonitor }\n    ]; };\n    CdkAutofill.propDecorators = {\n        cdkAutofill: [{ type: Output }]\n    };\n    return CdkAutofill;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Directive to automatically resize a textarea to fit its content. */\nvar CdkTextareaAutosize = /** @class */ (function () {\n    function CdkTextareaAutosize(_elementRef, _platform, _ngZone) {\n        this._elementRef = _elementRef;\n        this._platform = _platform;\n        this._ngZone = _ngZone;\n        this._destroyed = new Subject();\n        this._enabled = true;\n        /**\n         * Value of minRows as of last resize. If the minRows has decreased, the\n         * height of the textarea needs to be recomputed to reflect the new minimum. The maxHeight\n         * does not have the same problem because it does not affect the textarea's scrollHeight.\n         */\n        this._previousMinRows = -1;\n        this._textareaElement = this._elementRef.nativeElement;\n    }\n    Object.defineProperty(CdkTextareaAutosize.prototype, \"minRows\", {\n        /** Minimum amount of rows in the textarea. */\n        get: function () { return this._minRows; },\n        set: function (value) {\n            this._minRows = coerceNumberProperty(value);\n            this._setMinHeight();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkTextareaAutosize.prototype, \"maxRows\", {\n        /** Maximum amount of rows in the textarea. */\n        get: function () { return this._maxRows; },\n        set: function (value) {\n            this._maxRows = coerceNumberProperty(value);\n            this._setMaxHeight();\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkTextareaAutosize.prototype, \"enabled\", {\n        /** Whether autosizing is enabled or not */\n        get: function () { return this._enabled; },\n        set: function (value) {\n            value = coerceBooleanProperty(value);\n            // Only act if the actual value changed. This specifically helps to not run\n            // resizeToFitContent too early (i.e. before ngAfterViewInit)\n            if (this._enabled !== value) {\n                (this._enabled = value) ? this.resizeToFitContent(true) : this.reset();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** Sets the minimum height of the textarea as determined by minRows. */\n    CdkTextareaAutosize.prototype._setMinHeight = function () {\n        var minHeight = this.minRows && this._cachedLineHeight ?\n            this.minRows * this._cachedLineHeight + \"px\" : null;\n        if (minHeight) {\n            this._textareaElement.style.minHeight = minHeight;\n        }\n    };\n    /** Sets the maximum height of the textarea as determined by maxRows. */\n    CdkTextareaAutosize.prototype._setMaxHeight = function () {\n        var maxHeight = this.maxRows && this._cachedLineHeight ?\n            this.maxRows * this._cachedLineHeight + \"px\" : null;\n        if (maxHeight) {\n            this._textareaElement.style.maxHeight = maxHeight;\n        }\n    };\n    CdkTextareaAutosize.prototype.ngAfterViewInit = function () {\n        var _this = this;\n        if (this._platform.isBrowser) {\n            // Remember the height which we started with in case autosizing is disabled\n            this._initialHeight = this._textareaElement.style.height;\n            this.resizeToFitContent();\n            this._ngZone.runOutsideAngular(function () {\n                fromEvent(window, 'resize')\n                    .pipe(auditTime(16), takeUntil(_this._destroyed))\n                    .subscribe(function () { return _this.resizeToFitContent(true); });\n            });\n        }\n    };\n    CdkTextareaAutosize.prototype.ngOnDestroy = function () {\n        this._destroyed.next();\n        this._destroyed.complete();\n    };\n    /**\n     * Cache the height of a single-row textarea if it has not already been cached.\n     *\n     * We need to know how large a single \"row\" of a textarea is in order to apply minRows and\n     * maxRows. For the initial version, we will assume that the height of a single line in the\n     * textarea does not ever change.\n     */\n    CdkTextareaAutosize.prototype._cacheTextareaLineHeight = function () {\n        if (this._cachedLineHeight) {\n            return;\n        }\n        // Use a clone element because we have to override some styles.\n        var textareaClone = this._textareaElement.cloneNode(false);\n        textareaClone.rows = 1;\n        // Use `position: absolute` so that this doesn't cause a browser layout and use\n        // `visibility: hidden` so that nothing is rendered. Clear any other styles that\n        // would affect the height.\n        textareaClone.style.position = 'absolute';\n        textareaClone.style.visibility = 'hidden';\n        textareaClone.style.border = 'none';\n        textareaClone.style.padding = '0';\n        textareaClone.style.height = '';\n        textareaClone.style.minHeight = '';\n        textareaClone.style.maxHeight = '';\n        // In Firefox it happens that textarea elements are always bigger than the specified amount\n        // of rows. This is because Firefox tries to add extra space for the horizontal scrollbar.\n        // As a workaround that removes the extra space for the scrollbar, we can just set overflow\n        // to hidden. This ensures that there is no invalid calculation of the line height.\n        // See Firefox bug report: https://bugzilla.mozilla.org/show_bug.cgi?id=33654\n        textareaClone.style.overflow = 'hidden';\n        this._textareaElement.parentNode.appendChild(textareaClone);\n        this._cachedLineHeight = textareaClone.clientHeight;\n        this._textareaElement.parentNode.removeChild(textareaClone);\n        // Min and max heights have to be re-calculated if the cached line height changes\n        this._setMinHeight();\n        this._setMaxHeight();\n    };\n    CdkTextareaAutosize.prototype.ngDoCheck = function () {\n        if (this._platform.isBrowser) {\n            this.resizeToFitContent();\n        }\n    };\n    /**\n     * Resize the textarea to fit its content.\n     * @param force Whether to force a height recalculation. By default the height will be\n     *    recalculated only if the value changed since the last call.\n     */\n    CdkTextareaAutosize.prototype.resizeToFitContent = function (force) {\n        var _this = this;\n        if (force === void 0) { force = false; }\n        // If autosizing is disabled, just skip everything else\n        if (!this._enabled) {\n            return;\n        }\n        this._cacheTextareaLineHeight();\n        // If we haven't determined the line-height yet, we know we're still hidden and there's no point\n        // in checking the height of the textarea.\n        if (!this._cachedLineHeight) {\n            return;\n        }\n        var textarea = this._elementRef.nativeElement;\n        var value = textarea.value;\n        // Only resize if the value or minRows have changed since these calculations can be expensive.\n        if (!force && this._minRows === this._previousMinRows && value === this._previousValue) {\n            return;\n        }\n        var placeholderText = textarea.placeholder;\n        // Reset the textarea height to auto in order to shrink back to its default size.\n        // Also temporarily force overflow:hidden, so scroll bars do not interfere with calculations.\n        // Long placeholders that are wider than the textarea width may lead to a bigger scrollHeight\n        // value. To ensure that the scrollHeight is not bigger than the content, the placeholders\n        // need to be removed temporarily.\n        textarea.classList.add('cdk-textarea-autosize-measuring');\n        textarea.placeholder = '';\n        // The cdk-textarea-autosize-measuring class includes a 2px padding to workaround an issue with\n        // Chrome, so we account for that extra space here by subtracting 4 (2px top + 2px bottom).\n        var height = textarea.scrollHeight - 4;\n        // Use the scrollHeight to know how large the textarea *would* be if fit its entire value.\n        textarea.style.height = height + \"px\";\n        textarea.classList.remove('cdk-textarea-autosize-measuring');\n        textarea.placeholder = placeholderText;\n        this._ngZone.runOutsideAngular(function () {\n            if (typeof requestAnimationFrame !== 'undefined') {\n                requestAnimationFrame(function () { return _this._scrollToCaretPosition(textarea); });\n            }\n            else {\n                setTimeout(function () { return _this._scrollToCaretPosition(textarea); });\n            }\n        });\n        this._previousValue = value;\n        this._previousMinRows = this._minRows;\n    };\n    /**\n     * Resets the textarea to its original size\n     */\n    CdkTextareaAutosize.prototype.reset = function () {\n        // Do not try to change the textarea, if the initialHeight has not been determined yet\n        // This might potentially remove styles when reset() is called before ngAfterViewInit\n        if (this._initialHeight !== undefined) {\n            this._textareaElement.style.height = this._initialHeight;\n        }\n    };\n    // In Ivy the `host` metadata will be merged, whereas in ViewEngine it is overridden. In order\n    // to avoid double event listeners, we need to use `HostListener`. Once Ivy is the default, we\n    // can move this back into `host`.\n    // tslint:disable:no-host-decorator-in-concrete\n    CdkTextareaAutosize.prototype._noopInputHandler = function () {\n        // no-op handler that ensures we're running change detection on input events.\n    };\n    /**\n     * Scrolls a textarea to the caret position. On Firefox resizing the textarea will\n     * prevent it from scrolling to the caret position. We need to re-set the selection\n     * in order for it to scroll to the proper position.\n     */\n    CdkTextareaAutosize.prototype._scrollToCaretPosition = function (textarea) {\n        var selectionStart = textarea.selectionStart, selectionEnd = textarea.selectionEnd;\n        // IE will throw an \"Unspecified error\" if we try to set the selection range after the\n        // element has been removed from the DOM. Assert that the directive hasn't been destroyed\n        // between the time we requested the animation frame and when it was executed.\n        // Also note that we have to assert that the textarea is focused before we set the\n        // selection range. Setting the selection range on a non-focused textarea will cause\n        // it to receive focus on IE and Edge.\n        if (!this._destroyed.isStopped && document.activeElement === textarea) {\n            textarea.setSelectionRange(selectionStart, selectionEnd);\n        }\n    };\n    CdkTextareaAutosize.decorators = [\n        { type: Directive, args: [{\n                    selector: 'textarea[cdkTextareaAutosize]',\n                    exportAs: 'cdkTextareaAutosize',\n                    host: {\n                        'class': 'cdk-textarea-autosize',\n                        // Textarea elements that have the directive applied should have a single row by default.\n                        // Browsers normally show two rows by default and therefore this limits the minRows binding.\n                        'rows': '1',\n                    },\n                },] }\n    ];\n    /** @nocollapse */\n    CdkTextareaAutosize.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: Platform },\n        { type: NgZone }\n    ]; };\n    CdkTextareaAutosize.propDecorators = {\n        minRows: [{ type: Input, args: ['cdkAutosizeMinRows',] }],\n        maxRows: [{ type: Input, args: ['cdkAutosizeMaxRows',] }],\n        enabled: [{ type: Input, args: ['cdkTextareaAutosize',] }],\n        _noopInputHandler: [{ type: HostListener, args: ['input',] }]\n    };\n    return CdkTextareaAutosize;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar TextFieldModule = /** @class */ (function () {\n    function TextFieldModule() {\n    }\n    TextFieldModule.decorators = [\n        { type: NgModule, args: [{\n                    declarations: [CdkAutofill, CdkTextareaAutosize],\n                    imports: [PlatformModule],\n                    exports: [CdkAutofill, CdkTextareaAutosize],\n                },] }\n    ];\n    return TextFieldModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { AutofillMonitor, CdkAutofill, CdkTextareaAutosize, TextFieldModule };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { makeInner } from './model';\nexport var getECData = makeInner();","export default function windingLine(x0, y0, x1, y1, x, y) {\n    if ((y > y0 && y > y1) || (y < y0 && y < y1)) {\n        return 0;\n    }\n    if (y1 === y0) {\n        return 0;\n    }\n    var t = (y - y0) / (y1 - y0);\n    var dir = y1 < y0 ? 1 : -1;\n    if (t === 1 || t === 0) {\n        dir = y1 < y0 ? 0.5 : -0.5;\n    }\n    var x_ = t * (x1 - x0) + x0;\n    return x_ === x ? Infinity : x_ > x ? dir : 0;\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar ORIGIN_METHOD = '\\0__throttleOriginMethod';\nvar RATE = '\\0__throttleRate';\nvar THROTTLE_TYPE = '\\0__throttleType';\n;\n/**\n * @public\n * @param {(Function)} fn\n * @param {number} [delay=0] Unit: ms.\n * @param {boolean} [debounce=false]\n *        true: If call interval less than `delay`, only the last call works.\n *        false: If call interval less than `delay, call works on fixed rate.\n * @return {(Function)} throttled fn.\n */\n\nexport function throttle(fn, delay, debounce) {\n  var currCall;\n  var lastCall = 0;\n  var lastExec = 0;\n  var timer = null;\n  var diff;\n  var scope;\n  var args;\n  var debounceNextCall;\n  delay = delay || 0;\n\n  function exec() {\n    lastExec = new Date().getTime();\n    timer = null;\n    fn.apply(scope, args || []);\n  }\n\n  var cb = function () {\n    var cbArgs = [];\n\n    for (var _i = 0; _i < arguments.length; _i++) {\n      cbArgs[_i] = arguments[_i];\n    }\n\n    currCall = new Date().getTime();\n    scope = this;\n    args = cbArgs;\n    var thisDelay = debounceNextCall || delay;\n    var thisDebounce = debounceNextCall || debounce;\n    debounceNextCall = null;\n    diff = currCall - (thisDebounce ? lastCall : lastExec) - thisDelay;\n    clearTimeout(timer); // Here we should make sure that: the `exec` SHOULD NOT be called later\n    // than a new call of `cb`, that is, preserving the command order. Consider\n    // calculating \"scale rate\" when roaming as an example. When a call of `cb`\n    // happens, either the `exec` is called dierectly, or the call is delayed.\n    // But the delayed call should never be later than next call of `cb`. Under\n    // this assurance, we can simply update view state each time `dispatchAction`\n    // triggered by user roaming, but not need to add extra code to avoid the\n    // state being \"rolled-back\".\n\n    if (thisDebounce) {\n      timer = setTimeout(exec, thisDelay);\n    } else {\n      if (diff >= 0) {\n        exec();\n      } else {\n        timer = setTimeout(exec, -diff);\n      }\n    }\n\n    lastCall = currCall;\n  };\n  /**\n   * Clear throttle.\n   * @public\n   */\n\n\n  cb.clear = function () {\n    if (timer) {\n      clearTimeout(timer);\n      timer = null;\n    }\n  };\n  /**\n   * Enable debounce once.\n   */\n\n\n  cb.debounceNextCall = function (debounceDelay) {\n    debounceNextCall = debounceDelay;\n  };\n\n  return cb;\n}\n/**\n * Create throttle method or update throttle rate.\n *\n * @example\n * ComponentView.prototype.render = function () {\n *     ...\n *     throttle.createOrUpdate(\n *         this,\n *         '_dispatchAction',\n *         this.model.get('throttle'),\n *         'fixRate'\n *     );\n * };\n * ComponentView.prototype.remove = function () {\n *     throttle.clear(this, '_dispatchAction');\n * };\n * ComponentView.prototype.dispose = function () {\n *     throttle.clear(this, '_dispatchAction');\n * };\n *\n */\n\nexport function createOrUpdate(obj, fnAttr, rate, throttleType) {\n  var fn = obj[fnAttr];\n\n  if (!fn) {\n    return;\n  }\n\n  var originFn = fn[ORIGIN_METHOD] || fn;\n  var lastThrottleType = fn[THROTTLE_TYPE];\n  var lastRate = fn[RATE];\n\n  if (lastRate !== rate || lastThrottleType !== throttleType) {\n    if (rate == null || !throttleType) {\n      return obj[fnAttr] = originFn;\n    }\n\n    fn = obj[fnAttr] = throttle(originFn, rate, throttleType === 'debounce');\n    fn[ORIGIN_METHOD] = originFn;\n    fn[THROTTLE_TYPE] = throttleType;\n    fn[RATE] = rate;\n  }\n\n  return fn;\n}\n/**\n * Clear throttle. Example see throttle.createOrUpdate.\n */\n\nexport function clear(obj, fnAttr) {\n  var fn = obj[fnAttr];\n\n  if (fn && fn[ORIGIN_METHOD]) {\n    obj[fnAttr] = fn[ORIGIN_METHOD];\n  }\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { parseClassType } from './clazz';\nimport { makePrintable } from './log'; // A random offset\n\nvar base = Math.round(Math.random() * 10);\n/**\n * @public\n * @param {string} type\n * @return {string}\n */\n\nexport function getUID(type) {\n  // Considering the case of crossing js context,\n  // use Math.random to make id as unique as possible.\n  return [type || '', base++].join('_');\n}\n/**\n * Implements `SubTypeDefaulterManager` for `target`.\n */\n\nexport function enableSubTypeDefaulter(target) {\n  var subTypeDefaulters = {};\n\n  target.registerSubTypeDefaulter = function (componentType, defaulter) {\n    var componentTypeInfo = parseClassType(componentType);\n    subTypeDefaulters[componentTypeInfo.main] = defaulter;\n  };\n\n  target.determineSubType = function (componentType, option) {\n    var type = option.type;\n\n    if (!type) {\n      var componentTypeMain = parseClassType(componentType).main;\n\n      if (target.hasSubTypes(componentType) && subTypeDefaulters[componentTypeMain]) {\n        type = subTypeDefaulters[componentTypeMain](option);\n      }\n    }\n\n    return type;\n  };\n}\n/**\n * Implements `TopologicalTravelable<any>` for `entity`.\n *\n * Topological travel on Activity Network (Activity On Vertices).\n * Dependencies is defined in Model.prototype.dependencies, like ['xAxis', 'yAxis'].\n * If 'xAxis' or 'yAxis' is absent in componentTypeList, just ignore it in topology.\n * If there is circular dependencey, Error will be thrown.\n */\n\nexport function enableTopologicalTravel(entity, dependencyGetter) {\n  /**\n   * @param targetNameList Target Component type list.\n   *                       Can be ['aa', 'bb', 'aa.xx']\n   * @param fullNameList By which we can build dependency graph.\n   * @param callback Params: componentType, dependencies.\n   * @param context Scope of callback.\n   */\n  entity.topologicalTravel = function (targetNameList, fullNameList, callback, context) {\n    if (!targetNameList.length) {\n      return;\n    }\n\n    var result = makeDepndencyGraph(fullNameList);\n    var graph = result.graph;\n    var noEntryList = result.noEntryList;\n    var targetNameSet = {};\n    zrUtil.each(targetNameList, function (name) {\n      targetNameSet[name] = true;\n    });\n\n    while (noEntryList.length) {\n      var currComponentType = noEntryList.pop();\n      var currVertex = graph[currComponentType];\n      var isInTargetNameSet = !!targetNameSet[currComponentType];\n\n      if (isInTargetNameSet) {\n        callback.call(context, currComponentType, currVertex.originalDeps.slice());\n        delete targetNameSet[currComponentType];\n      }\n\n      zrUtil.each(currVertex.successor, isInTargetNameSet ? removeEdgeAndAdd : removeEdge);\n    }\n\n    zrUtil.each(targetNameSet, function () {\n      var errMsg = '';\n\n      if (process.env.NODE_ENV !== 'production') {\n        errMsg = makePrintable('Circular dependency may exists: ', targetNameSet, targetNameList, fullNameList);\n      }\n\n      throw new Error(errMsg);\n    });\n\n    function removeEdge(succComponentType) {\n      graph[succComponentType].entryCount--;\n\n      if (graph[succComponentType].entryCount === 0) {\n        noEntryList.push(succComponentType);\n      }\n    } // Consider this case: legend depends on series, and we call\n    // chart.setOption({series: [...]}), where only series is in option.\n    // If we do not have 'removeEdgeAndAdd', legendModel.mergeOption will\n    // not be called, but only sereis.mergeOption is called. Thus legend\n    // have no chance to update its local record about series (like which\n    // name of series is available in legend).\n\n\n    function removeEdgeAndAdd(succComponentType) {\n      targetNameSet[succComponentType] = true;\n      removeEdge(succComponentType);\n    }\n  };\n\n  function makeDepndencyGraph(fullNameList) {\n    var graph = {};\n    var noEntryList = [];\n    zrUtil.each(fullNameList, function (name) {\n      var thisItem = createDependencyGraphItem(graph, name);\n      var originalDeps = thisItem.originalDeps = dependencyGetter(name);\n      var availableDeps = getAvailableDependencies(originalDeps, fullNameList);\n      thisItem.entryCount = availableDeps.length;\n\n      if (thisItem.entryCount === 0) {\n        noEntryList.push(name);\n      }\n\n      zrUtil.each(availableDeps, function (dependentName) {\n        if (zrUtil.indexOf(thisItem.predecessor, dependentName) < 0) {\n          thisItem.predecessor.push(dependentName);\n        }\n\n        var thatItem = createDependencyGraphItem(graph, dependentName);\n\n        if (zrUtil.indexOf(thatItem.successor, dependentName) < 0) {\n          thatItem.successor.push(name);\n        }\n      });\n    });\n    return {\n      graph: graph,\n      noEntryList: noEntryList\n    };\n  }\n\n  function createDependencyGraphItem(graph, name) {\n    if (!graph[name]) {\n      graph[name] = {\n        predecessor: [],\n        successor: []\n      };\n    }\n\n    return graph[name];\n  }\n\n  function getAvailableDependencies(originalDeps, fullNameList) {\n    var availableDeps = [];\n    zrUtil.each(originalDeps, function (dep) {\n      zrUtil.indexOf(fullNameList, dep) >= 0 && availableDeps.push(dep);\n    });\n    return availableDeps;\n  }\n}\nexport function inheritDefaultOption(superOption, subOption) {\n  // See also `model/Component.ts#getDefaultOption`\n  return zrUtil.merge(zrUtil.merge({}, superOption, true), subOption, true);\n}","import { __extends, __spread } from 'tslib';\nimport { ActiveDescendantKeyManager } from '@angular/cdk/a11y';\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { InjectionToken, EventEmitter, Component, ViewEncapsulation, ChangeDetectionStrategy, ChangeDetectorRef, ElementRef, Inject, ViewChild, TemplateRef, ContentChildren, Input, Output, Directive, forwardRef, ViewContainerRef, NgZone, Optional, Host, NgModule } from '@angular/core';\nimport { mixinDisableRipple, MAT_OPTION_PARENT_COMPONENT, MatOption, MatOptgroup, MatOptionSelectionChange, _countGroupLabelsBeforeOption, _getOptionScrollPosition, MatOptionModule, MatCommonModule } from '@angular/material/core';\nimport { DOCUMENT, CommonModule } from '@angular/common';\nimport { Overlay, OverlayConfig, OverlayModule } from '@angular/cdk/overlay';\nimport { Directionality } from '@angular/cdk/bidi';\nimport { ESCAPE, ENTER, UP_ARROW, DOWN_ARROW, TAB } from '@angular/cdk/keycodes';\nimport { _supportsShadowDom } from '@angular/cdk/platform';\nimport { TemplatePortal } from '@angular/cdk/portal';\nimport { ViewportRuler } from '@angular/cdk/scrolling';\nimport { NG_VALUE_ACCESSOR } from '@angular/forms';\nimport { MatFormField } from '@angular/material/form-field';\nimport { Subscription, Subject, defer, merge, of, fromEvent } from 'rxjs';\nimport { take, switchMap, filter, map, tap, delay } from 'rxjs/operators';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Autocomplete IDs need to be unique across components, so this counter exists outside of\n * the component definition.\n */\nvar _uniqueAutocompleteIdCounter = 0;\n/** Event object that is emitted when an autocomplete option is selected. */\nvar MatAutocompleteSelectedEvent = /** @class */ (function () {\n    function MatAutocompleteSelectedEvent(\n    /** Reference to the autocomplete panel that emitted the event. */\n    source, \n    /** Option that was selected. */\n    option) {\n        this.source = source;\n        this.option = option;\n    }\n    return MatAutocompleteSelectedEvent;\n}());\n// Boilerplate for applying mixins to MatAutocomplete.\n/** @docs-private */\nvar MatAutocompleteBase = /** @class */ (function () {\n    function MatAutocompleteBase() {\n    }\n    return MatAutocompleteBase;\n}());\nvar _MatAutocompleteMixinBase = mixinDisableRipple(MatAutocompleteBase);\n/** Injection token to be used to override the default options for `mat-autocomplete`. */\nvar MAT_AUTOCOMPLETE_DEFAULT_OPTIONS = new InjectionToken('mat-autocomplete-default-options', {\n    providedIn: 'root',\n    factory: MAT_AUTOCOMPLETE_DEFAULT_OPTIONS_FACTORY,\n});\n/** @docs-private */\nfunction MAT_AUTOCOMPLETE_DEFAULT_OPTIONS_FACTORY() {\n    return { autoActiveFirstOption: false };\n}\nvar MatAutocomplete = /** @class */ (function (_super) {\n    __extends(MatAutocomplete, _super);\n    function MatAutocomplete(_changeDetectorRef, _elementRef, defaults) {\n        var _this = _super.call(this) || this;\n        _this._changeDetectorRef = _changeDetectorRef;\n        _this._elementRef = _elementRef;\n        /** Whether the autocomplete panel should be visible, depending on option length. */\n        _this.showPanel = false;\n        _this._isOpen = false;\n        /** Function that maps an option's control value to its display value in the trigger. */\n        _this.displayWith = null;\n        /** Event that is emitted whenever an option from the list is selected. */\n        _this.optionSelected = new EventEmitter();\n        /** Event that is emitted when the autocomplete panel is opened. */\n        _this.opened = new EventEmitter();\n        /** Event that is emitted when the autocomplete panel is closed. */\n        _this.closed = new EventEmitter();\n        _this._classList = {};\n        /** Unique ID to be used by autocomplete trigger's \"aria-owns\" property. */\n        _this.id = \"mat-autocomplete-\" + _uniqueAutocompleteIdCounter++;\n        _this._autoActiveFirstOption = !!defaults.autoActiveFirstOption;\n        return _this;\n    }\n    Object.defineProperty(MatAutocomplete.prototype, \"isOpen\", {\n        /** Whether the autocomplete panel is open. */\n        get: function () { return this._isOpen && this.showPanel; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatAutocomplete.prototype, \"autoActiveFirstOption\", {\n        /**\n         * Whether the first option should be highlighted when the autocomplete panel is opened.\n         * Can be configured globally through the `MAT_AUTOCOMPLETE_DEFAULT_OPTIONS` token.\n         */\n        get: function () { return this._autoActiveFirstOption; },\n        set: function (value) {\n            this._autoActiveFirstOption = coerceBooleanProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatAutocomplete.prototype, \"classList\", {\n        /**\n         * Takes classes set on the host mat-autocomplete element and applies them to the panel\n         * inside the overlay container to allow for easy styling.\n         */\n        set: function (value) {\n            if (value && value.length) {\n                this._classList = value.split(' ').reduce(function (classList, className) {\n                    classList[className.trim()] = true;\n                    return classList;\n                }, {});\n            }\n            else {\n                this._classList = {};\n            }\n            this._setVisibilityClasses(this._classList);\n            this._elementRef.nativeElement.className = '';\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatAutocomplete.prototype.ngAfterContentInit = function () {\n        this._keyManager = new ActiveDescendantKeyManager(this.options).withWrap();\n        // Set the initial visibility state.\n        this._setVisibility();\n    };\n    /**\n     * Sets the panel scrollTop. This allows us to manually scroll to display options\n     * above or below the fold, as they are not actually being focused when active.\n     */\n    MatAutocomplete.prototype._setScrollTop = function (scrollTop) {\n        if (this.panel) {\n            this.panel.nativeElement.scrollTop = scrollTop;\n        }\n    };\n    /** Returns the panel's scrollTop. */\n    MatAutocomplete.prototype._getScrollTop = function () {\n        return this.panel ? this.panel.nativeElement.scrollTop : 0;\n    };\n    /** Panel should hide itself when the option list is empty. */\n    MatAutocomplete.prototype._setVisibility = function () {\n        this.showPanel = !!this.options.length;\n        this._setVisibilityClasses(this._classList);\n        this._changeDetectorRef.markForCheck();\n    };\n    /** Emits the `select` event. */\n    MatAutocomplete.prototype._emitSelectEvent = function (option) {\n        var event = new MatAutocompleteSelectedEvent(this, option);\n        this.optionSelected.emit(event);\n    };\n    /** Sets the autocomplete visibility classes on a classlist based on the panel is visible. */\n    MatAutocomplete.prototype._setVisibilityClasses = function (classList) {\n        classList['mat-autocomplete-visible'] = this.showPanel;\n        classList['mat-autocomplete-hidden'] = !this.showPanel;\n    };\n    MatAutocomplete.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-autocomplete',\n                    template: \"<ng-template>\\n  <div class=\\\"mat-autocomplete-panel\\\" role=\\\"listbox\\\" [id]=\\\"id\\\" [ngClass]=\\\"_classList\\\" #panel>\\n    <ng-content></ng-content>\\n  </div>\\n</ng-template>\\n\",\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    exportAs: 'matAutocomplete',\n                    inputs: ['disableRipple'],\n                    host: {\n                        'class': 'mat-autocomplete'\n                    },\n                    providers: [\n                        { provide: MAT_OPTION_PARENT_COMPONENT, useExisting: MatAutocomplete }\n                    ],\n                    styles: [\".mat-autocomplete-panel{min-width:112px;max-width:280px;overflow:auto;-webkit-overflow-scrolling:touch;visibility:hidden;max-width:none;max-height:256px;position:relative;width:100%;border-bottom-left-radius:4px;border-bottom-right-radius:4px}.mat-autocomplete-panel.mat-autocomplete-visible{visibility:visible}.mat-autocomplete-panel.mat-autocomplete-hidden{visibility:hidden}.mat-autocomplete-panel-above .mat-autocomplete-panel{border-radius:0;border-top-left-radius:4px;border-top-right-radius:4px}.mat-autocomplete-panel .mat-divider-horizontal{margin-top:-1px}.cdk-high-contrast-active .mat-autocomplete-panel{outline:solid 1px}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatAutocomplete.ctorParameters = function () { return [\n        { type: ChangeDetectorRef },\n        { type: ElementRef },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_AUTOCOMPLETE_DEFAULT_OPTIONS,] }] }\n    ]; };\n    MatAutocomplete.propDecorators = {\n        template: [{ type: ViewChild, args: [TemplateRef, { static: true },] }],\n        panel: [{ type: ViewChild, args: ['panel',] }],\n        options: [{ type: ContentChildren, args: [MatOption, { descendants: true },] }],\n        optionGroups: [{ type: ContentChildren, args: [MatOptgroup, { descendants: true },] }],\n        displayWith: [{ type: Input }],\n        autoActiveFirstOption: [{ type: Input }],\n        panelWidth: [{ type: Input }],\n        optionSelected: [{ type: Output }],\n        opened: [{ type: Output }],\n        closed: [{ type: Output }],\n        classList: [{ type: Input, args: ['class',] }]\n    };\n    return MatAutocomplete;\n}(_MatAutocompleteMixinBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Directive applied to an element to make it usable\n * as a connection point for an autocomplete panel.\n */\nvar MatAutocompleteOrigin = /** @class */ (function () {\n    function MatAutocompleteOrigin(\n    /** Reference to the element on which the directive is applied. */\n    elementRef) {\n        this.elementRef = elementRef;\n    }\n    MatAutocompleteOrigin.decorators = [\n        { type: Directive, args: [{\n                    selector: '[matAutocompleteOrigin]',\n                    exportAs: 'matAutocompleteOrigin',\n                },] }\n    ];\n    /** @nocollapse */\n    MatAutocompleteOrigin.ctorParameters = function () { return [\n        { type: ElementRef }\n    ]; };\n    return MatAutocompleteOrigin;\n}());\n\n/**\n * The following style constants are necessary to save here in order\n * to properly calculate the scrollTop of the panel. Because we are not\n * actually focusing the active item, scroll must be handled manually.\n */\n/** The height of each autocomplete option. */\nvar AUTOCOMPLETE_OPTION_HEIGHT = 48;\n/** The total height of the autocomplete panel. */\nvar AUTOCOMPLETE_PANEL_HEIGHT = 256;\n/** Injection token that determines the scroll handling while the autocomplete panel is open. */\nvar MAT_AUTOCOMPLETE_SCROLL_STRATEGY = new InjectionToken('mat-autocomplete-scroll-strategy');\n/** @docs-private */\nfunction MAT_AUTOCOMPLETE_SCROLL_STRATEGY_FACTORY(overlay) {\n    return function () { return overlay.scrollStrategies.reposition(); };\n}\n/** @docs-private */\nvar MAT_AUTOCOMPLETE_SCROLL_STRATEGY_FACTORY_PROVIDER = {\n    provide: MAT_AUTOCOMPLETE_SCROLL_STRATEGY,\n    deps: [Overlay],\n    useFactory: MAT_AUTOCOMPLETE_SCROLL_STRATEGY_FACTORY,\n};\n/**\n * Provider that allows the autocomplete to register as a ControlValueAccessor.\n * @docs-private\n */\nvar MAT_AUTOCOMPLETE_VALUE_ACCESSOR = {\n    provide: NG_VALUE_ACCESSOR,\n    useExisting: forwardRef(function () { return MatAutocompleteTrigger; }),\n    multi: true\n};\n/**\n * Creates an error to be thrown when attempting to use an autocomplete trigger without a panel.\n * @docs-private\n */\nfunction getMatAutocompleteMissingPanelError() {\n    return Error('Attempting to open an undefined instance of `mat-autocomplete`. ' +\n        'Make sure that the id passed to the `matAutocomplete` is correct and that ' +\n        'you\\'re attempting to open it after the ngAfterContentInit hook.');\n}\nvar MatAutocompleteTrigger = /** @class */ (function () {\n    function MatAutocompleteTrigger(_element, _overlay, _viewContainerRef, _zone, _changeDetectorRef, scrollStrategy, _dir, _formField, _document, \n    // @breaking-change 8.0.0 Make `_viewportRuler` required.\n    _viewportRuler) {\n        var _this = this;\n        this._element = _element;\n        this._overlay = _overlay;\n        this._viewContainerRef = _viewContainerRef;\n        this._zone = _zone;\n        this._changeDetectorRef = _changeDetectorRef;\n        this._dir = _dir;\n        this._formField = _formField;\n        this._document = _document;\n        this._viewportRuler = _viewportRuler;\n        this._componentDestroyed = false;\n        this._autocompleteDisabled = false;\n        /** Whether or not the label state is being overridden. */\n        this._manuallyFloatingLabel = false;\n        /** Subscription to viewport size changes. */\n        this._viewportSubscription = Subscription.EMPTY;\n        /**\n         * Whether the autocomplete can open the next time it is focused. Used to prevent a focused,\n         * closed autocomplete from being reopened if the user switches to another browser tab and then\n         * comes back.\n         */\n        this._canOpenOnNextFocus = true;\n        /** Stream of keyboard events that can close the panel. */\n        this._closeKeyEventStream = new Subject();\n        /**\n         * Event handler for when the window is blurred. Needs to be an\n         * arrow function in order to preserve the context.\n         */\n        this._windowBlurHandler = function () {\n            // If the user blurred the window while the autocomplete is focused, it means that it'll be\n            // refocused when they come back. In this case we want to skip the first focus event, if the\n            // pane was closed, in order to avoid reopening it unintentionally.\n            _this._canOpenOnNextFocus =\n                _this._document.activeElement !== _this._element.nativeElement || _this.panelOpen;\n        };\n        /** `View -> model callback called when value changes` */\n        this._onChange = function () { };\n        /** `View -> model callback called when autocomplete has been touched` */\n        this._onTouched = function () { };\n        /**\n         * Position of the autocomplete panel relative to the trigger element. A position of `auto`\n         * will render the panel underneath the trigger if there is enough space for it to fit in\n         * the viewport, otherwise the panel will be shown above it. If the position is set to\n         * `above` or `below`, the panel will always be shown above or below the trigger. no matter\n         * whether it fits completely in the viewport.\n         */\n        this.position = 'auto';\n        /**\n         * `autocomplete` attribute to be set on the input element.\n         * @docs-private\n         */\n        this.autocompleteAttribute = 'off';\n        this._overlayAttached = false;\n        /** Stream of autocomplete option selections. */\n        this.optionSelections = defer(function () {\n            if (_this.autocomplete && _this.autocomplete.options) {\n                return merge.apply(void 0, __spread(_this.autocomplete.options.map(function (option) { return option.onSelectionChange; })));\n            }\n            // If there are any subscribers before `ngAfterViewInit`, the `autocomplete` will be undefined.\n            // Return a stream that we'll replace with the real one once everything is in place.\n            return _this._zone.onStable\n                .asObservable()\n                .pipe(take(1), switchMap(function () { return _this.optionSelections; }));\n        });\n        this._scrollStrategy = scrollStrategy;\n    }\n    Object.defineProperty(MatAutocompleteTrigger.prototype, \"autocompleteDisabled\", {\n        /**\n         * Whether the autocomplete is disabled. When disabled, the element will\n         * act as a regular input and the user won't be able to open the panel.\n         */\n        get: function () { return this._autocompleteDisabled; },\n        set: function (value) {\n            this._autocompleteDisabled = coerceBooleanProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatAutocompleteTrigger.prototype.ngAfterViewInit = function () {\n        var _this = this;\n        if (typeof window !== 'undefined') {\n            this._zone.runOutsideAngular(function () {\n                window.addEventListener('blur', _this._windowBlurHandler);\n            });\n            if (_supportsShadowDom()) {\n                var element = this._element.nativeElement;\n                var rootNode = element.getRootNode ? element.getRootNode() : null;\n                // We need to take the `ShadowRoot` off of `window`, because the built-in types are\n                // incorrect. See https://github.com/Microsoft/TypeScript/issues/27929.\n                this._isInsideShadowRoot = rootNode instanceof window.ShadowRoot;\n            }\n        }\n    };\n    MatAutocompleteTrigger.prototype.ngOnChanges = function (changes) {\n        if (changes['position'] && this._positionStrategy) {\n            this._setStrategyPositions(this._positionStrategy);\n            if (this.panelOpen) {\n                this._overlayRef.updatePosition();\n            }\n        }\n    };\n    MatAutocompleteTrigger.prototype.ngOnDestroy = function () {\n        if (typeof window !== 'undefined') {\n            window.removeEventListener('blur', this._windowBlurHandler);\n        }\n        this._viewportSubscription.unsubscribe();\n        this._componentDestroyed = true;\n        this._destroyPanel();\n        this._closeKeyEventStream.complete();\n    };\n    Object.defineProperty(MatAutocompleteTrigger.prototype, \"panelOpen\", {\n        /** Whether or not the autocomplete panel is open. */\n        get: function () {\n            return this._overlayAttached && this.autocomplete.showPanel;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** Opens the autocomplete suggestion panel. */\n    MatAutocompleteTrigger.prototype.openPanel = function () {\n        this._attachOverlay();\n        this._floatLabel();\n    };\n    /** Closes the autocomplete suggestion panel. */\n    MatAutocompleteTrigger.prototype.closePanel = function () {\n        this._resetLabel();\n        if (!this._overlayAttached) {\n            return;\n        }\n        if (this.panelOpen) {\n            // Only emit if the panel was visible.\n            this.autocomplete.closed.emit();\n        }\n        this.autocomplete._isOpen = this._overlayAttached = false;\n        if (this._overlayRef && this._overlayRef.hasAttached()) {\n            this._overlayRef.detach();\n            this._closingActionsSubscription.unsubscribe();\n        }\n        // Note that in some cases this can end up being called after the component is destroyed.\n        // Add a check to ensure that we don't try to run change detection on a destroyed view.\n        if (!this._componentDestroyed) {\n            // We need to trigger change detection manually, because\n            // `fromEvent` doesn't seem to do it at the proper time.\n            // This ensures that the label is reset when the\n            // user clicks outside.\n            this._changeDetectorRef.detectChanges();\n        }\n    };\n    /**\n     * Updates the position of the autocomplete suggestion panel to ensure that it fits all options\n     * within the viewport.\n     */\n    MatAutocompleteTrigger.prototype.updatePosition = function () {\n        if (this._overlayAttached) {\n            this._overlayRef.updatePosition();\n        }\n    };\n    Object.defineProperty(MatAutocompleteTrigger.prototype, \"panelClosingActions\", {\n        /**\n         * A stream of actions that should close the autocomplete panel, including\n         * when an option is selected, on blur, and when TAB is pressed.\n         */\n        get: function () {\n            var _this = this;\n            return merge(this.optionSelections, this.autocomplete._keyManager.tabOut.pipe(filter(function () { return _this._overlayAttached; })), this._closeKeyEventStream, this._getOutsideClickStream(), this._overlayRef ?\n                this._overlayRef.detachments().pipe(filter(function () { return _this._overlayAttached; })) :\n                of()).pipe(\n            // Normalize the output so we return a consistent type.\n            map(function (event) { return event instanceof MatOptionSelectionChange ? event : null; }));\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatAutocompleteTrigger.prototype, \"activeOption\", {\n        /** The currently active option, coerced to MatOption type. */\n        get: function () {\n            if (this.autocomplete && this.autocomplete._keyManager) {\n                return this.autocomplete._keyManager.activeItem;\n            }\n            return null;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /** Stream of clicks outside of the autocomplete panel. */\n    MatAutocompleteTrigger.prototype._getOutsideClickStream = function () {\n        var _this = this;\n        return merge(fromEvent(this._document, 'click'), fromEvent(this._document, 'touchend'))\n            .pipe(filter(function (event) {\n            // If we're in the Shadow DOM, the event target will be the shadow root, so we have to\n            // fall back to check the first element in the path of the click event.\n            var clickTarget = (_this._isInsideShadowRoot && event.composedPath ? event.composedPath()[0] :\n                event.target);\n            var formField = _this._formField ? _this._formField._elementRef.nativeElement : null;\n            return _this._overlayAttached && clickTarget !== _this._element.nativeElement &&\n                (!formField || !formField.contains(clickTarget)) &&\n                (!!_this._overlayRef && !_this._overlayRef.overlayElement.contains(clickTarget));\n        }));\n    };\n    // Implemented as part of ControlValueAccessor.\n    MatAutocompleteTrigger.prototype.writeValue = function (value) {\n        var _this = this;\n        Promise.resolve(null).then(function () { return _this._setTriggerValue(value); });\n    };\n    // Implemented as part of ControlValueAccessor.\n    MatAutocompleteTrigger.prototype.registerOnChange = function (fn) {\n        this._onChange = fn;\n    };\n    // Implemented as part of ControlValueAccessor.\n    MatAutocompleteTrigger.prototype.registerOnTouched = function (fn) {\n        this._onTouched = fn;\n    };\n    // Implemented as part of ControlValueAccessor.\n    MatAutocompleteTrigger.prototype.setDisabledState = function (isDisabled) {\n        this._element.nativeElement.disabled = isDisabled;\n    };\n    MatAutocompleteTrigger.prototype._handleKeydown = function (event) {\n        var keyCode = event.keyCode;\n        // Prevent the default action on all escape key presses. This is here primarily to bring IE\n        // in line with other browsers. By default, pressing escape on IE will cause it to revert\n        // the input value to the one that it had on focus, however it won't dispatch any events\n        // which means that the model value will be out of sync with the view.\n        if (keyCode === ESCAPE) {\n            event.preventDefault();\n        }\n        if (this.activeOption && keyCode === ENTER && this.panelOpen) {\n            this.activeOption._selectViaInteraction();\n            this._resetActiveItem();\n            event.preventDefault();\n        }\n        else if (this.autocomplete) {\n            var prevActiveItem = this.autocomplete._keyManager.activeItem;\n            var isArrowKey = keyCode === UP_ARROW || keyCode === DOWN_ARROW;\n            if (this.panelOpen || keyCode === TAB) {\n                this.autocomplete._keyManager.onKeydown(event);\n            }\n            else if (isArrowKey && this._canOpen()) {\n                this.openPanel();\n            }\n            if (isArrowKey || this.autocomplete._keyManager.activeItem !== prevActiveItem) {\n                this._scrollToOption();\n            }\n        }\n    };\n    MatAutocompleteTrigger.prototype._handleInput = function (event) {\n        var target = event.target;\n        var value = target.value;\n        // Based on `NumberValueAccessor` from forms.\n        if (target.type === 'number') {\n            value = value == '' ? null : parseFloat(value);\n        }\n        // If the input has a placeholder, IE will fire the `input` event on page load,\n        // focus and blur, in addition to when the user actually changed the value. To\n        // filter out all of the extra events, we save the value on focus and between\n        // `input` events, and we check whether it changed.\n        // See: https://connect.microsoft.com/IE/feedback/details/885747/\n        if (this._previousValue !== value) {\n            this._previousValue = value;\n            this._onChange(value);\n            if (this._canOpen() && this._document.activeElement === event.target) {\n                this.openPanel();\n            }\n        }\n    };\n    MatAutocompleteTrigger.prototype._handleFocus = function () {\n        if (!this._canOpenOnNextFocus) {\n            this._canOpenOnNextFocus = true;\n        }\n        else if (this._canOpen()) {\n            this._previousValue = this._element.nativeElement.value;\n            this._attachOverlay();\n            this._floatLabel(true);\n        }\n    };\n    /**\n     * In \"auto\" mode, the label will animate down as soon as focus is lost.\n     * This causes the value to jump when selecting an option with the mouse.\n     * This method manually floats the label until the panel can be closed.\n     * @param shouldAnimate Whether the label should be animated when it is floated.\n     */\n    MatAutocompleteTrigger.prototype._floatLabel = function (shouldAnimate) {\n        if (shouldAnimate === void 0) { shouldAnimate = false; }\n        if (this._formField && this._formField.floatLabel === 'auto') {\n            if (shouldAnimate) {\n                this._formField._animateAndLockLabel();\n            }\n            else {\n                this._formField.floatLabel = 'always';\n            }\n            this._manuallyFloatingLabel = true;\n        }\n    };\n    /** If the label has been manually elevated, return it to its normal state. */\n    MatAutocompleteTrigger.prototype._resetLabel = function () {\n        if (this._manuallyFloatingLabel) {\n            this._formField.floatLabel = 'auto';\n            this._manuallyFloatingLabel = false;\n        }\n    };\n    /**\n     * Given that we are not actually focusing active options, we must manually adjust scroll\n     * to reveal options below the fold. First, we find the offset of the option from the top\n     * of the panel. If that offset is below the fold, the new scrollTop will be the offset -\n     * the panel height + the option height, so the active option will be just visible at the\n     * bottom of the panel. If that offset is above the top of the visible panel, the new scrollTop\n     * will become the offset. If that offset is visible within the panel already, the scrollTop is\n     * not adjusted.\n     */\n    MatAutocompleteTrigger.prototype._scrollToOption = function () {\n        var index = this.autocomplete._keyManager.activeItemIndex || 0;\n        var labelCount = _countGroupLabelsBeforeOption(index, this.autocomplete.options, this.autocomplete.optionGroups);\n        if (index === 0 && labelCount === 1) {\n            // If we've got one group label before the option and we're at the top option,\n            // scroll the list to the top. This is better UX than scrolling the list to the\n            // top of the option, because it allows the user to read the top group's label.\n            this.autocomplete._setScrollTop(0);\n        }\n        else {\n            var newScrollPosition = _getOptionScrollPosition(index + labelCount, AUTOCOMPLETE_OPTION_HEIGHT, this.autocomplete._getScrollTop(), AUTOCOMPLETE_PANEL_HEIGHT);\n            this.autocomplete._setScrollTop(newScrollPosition);\n        }\n    };\n    /**\n     * This method listens to a stream of panel closing actions and resets the\n     * stream every time the option list changes.\n     */\n    MatAutocompleteTrigger.prototype._subscribeToClosingActions = function () {\n        var _this = this;\n        var firstStable = this._zone.onStable.asObservable().pipe(take(1));\n        var optionChanges = this.autocomplete.options.changes.pipe(tap(function () { return _this._positionStrategy.reapplyLastPosition(); }), \n        // Defer emitting to the stream until the next tick, because changing\n        // bindings in here will cause \"changed after checked\" errors.\n        delay(0));\n        // When the zone is stable initially, and when the option list changes...\n        return merge(firstStable, optionChanges)\n            .pipe(\n        // create a new stream of panelClosingActions, replacing any previous streams\n        // that were created, and flatten it so our stream only emits closing events...\n        switchMap(function () {\n            var wasOpen = _this.panelOpen;\n            _this._resetActiveItem();\n            _this.autocomplete._setVisibility();\n            if (_this.panelOpen) {\n                _this._overlayRef.updatePosition();\n                // If the `panelOpen` state changed, we need to make sure to emit the `opened`\n                // event, because we may not have emitted it when the panel was attached. This\n                // can happen if the users opens the panel and there are no options, but the\n                // options come in slightly later or as a result of the value changing.\n                if (wasOpen !== _this.panelOpen) {\n                    _this.autocomplete.opened.emit();\n                }\n            }\n            return _this.panelClosingActions;\n        }), \n        // when the first closing event occurs...\n        take(1))\n            // set the value, close the panel, and complete.\n            .subscribe(function (event) { return _this._setValueAndClose(event); });\n    };\n    /** Destroys the autocomplete suggestion panel. */\n    MatAutocompleteTrigger.prototype._destroyPanel = function () {\n        if (this._overlayRef) {\n            this.closePanel();\n            this._overlayRef.dispose();\n            this._overlayRef = null;\n        }\n    };\n    MatAutocompleteTrigger.prototype._setTriggerValue = function (value) {\n        var toDisplay = this.autocomplete && this.autocomplete.displayWith ?\n            this.autocomplete.displayWith(value) :\n            value;\n        // Simply falling back to an empty string if the display value is falsy does not work properly.\n        // The display value can also be the number zero and shouldn't fall back to an empty string.\n        var inputValue = toDisplay != null ? toDisplay : '';\n        // If it's used within a `MatFormField`, we should set it through the property so it can go\n        // through change detection.\n        if (this._formField) {\n            this._formField._control.value = inputValue;\n        }\n        else {\n            this._element.nativeElement.value = inputValue;\n        }\n        this._previousValue = inputValue;\n    };\n    /**\n     * This method closes the panel, and if a value is specified, also sets the associated\n     * control to that value. It will also mark the control as dirty if this interaction\n     * stemmed from the user.\n     */\n    MatAutocompleteTrigger.prototype._setValueAndClose = function (event) {\n        if (event && event.source) {\n            this._clearPreviousSelectedOption(event.source);\n            this._setTriggerValue(event.source.value);\n            this._onChange(event.source.value);\n            this._element.nativeElement.focus();\n            this.autocomplete._emitSelectEvent(event.source);\n        }\n        this.closePanel();\n    };\n    /**\n     * Clear any previous selected option and emit a selection change event for this option\n     */\n    MatAutocompleteTrigger.prototype._clearPreviousSelectedOption = function (skip) {\n        this.autocomplete.options.forEach(function (option) {\n            if (option != skip && option.selected) {\n                option.deselect();\n            }\n        });\n    };\n    MatAutocompleteTrigger.prototype._attachOverlay = function () {\n        var _this = this;\n        if (!this.autocomplete) {\n            throw getMatAutocompleteMissingPanelError();\n        }\n        var overlayRef = this._overlayRef;\n        if (!overlayRef) {\n            this._portal = new TemplatePortal(this.autocomplete.template, this._viewContainerRef);\n            overlayRef = this._overlay.create(this._getOverlayConfig());\n            this._overlayRef = overlayRef;\n            // Use the `keydownEvents` in order to take advantage of\n            // the overlay event targeting provided by the CDK overlay.\n            overlayRef.keydownEvents().subscribe(function (event) {\n                // Close when pressing ESCAPE or ALT + UP_ARROW, based on the a11y guidelines.\n                // See: https://www.w3.org/TR/wai-aria-practices-1.1/#textbox-keyboard-interaction\n                if (event.keyCode === ESCAPE || (event.keyCode === UP_ARROW && event.altKey)) {\n                    _this._resetActiveItem();\n                    _this._closeKeyEventStream.next();\n                    // We need to stop propagation, otherwise the event will eventually\n                    // reach the input itself and cause the overlay to be reopened.\n                    event.stopPropagation();\n                    event.preventDefault();\n                }\n            });\n            if (this._viewportRuler) {\n                this._viewportSubscription = this._viewportRuler.change().subscribe(function () {\n                    if (_this.panelOpen && overlayRef) {\n                        overlayRef.updateSize({ width: _this._getPanelWidth() });\n                    }\n                });\n            }\n        }\n        else {\n            // Update the trigger, panel width and direction, in case anything has changed.\n            this._positionStrategy.setOrigin(this._getConnectedElement());\n            overlayRef.updateSize({ width: this._getPanelWidth() });\n        }\n        if (overlayRef && !overlayRef.hasAttached()) {\n            overlayRef.attach(this._portal);\n            this._closingActionsSubscription = this._subscribeToClosingActions();\n        }\n        var wasOpen = this.panelOpen;\n        this.autocomplete._setVisibility();\n        this.autocomplete._isOpen = this._overlayAttached = true;\n        // We need to do an extra `panelOpen` check in here, because the\n        // autocomplete won't be shown if there are no options.\n        if (this.panelOpen && wasOpen !== this.panelOpen) {\n            this.autocomplete.opened.emit();\n        }\n    };\n    MatAutocompleteTrigger.prototype._getOverlayConfig = function () {\n        return new OverlayConfig({\n            positionStrategy: this._getOverlayPosition(),\n            scrollStrategy: this._scrollStrategy(),\n            width: this._getPanelWidth(),\n            direction: this._dir\n        });\n    };\n    MatAutocompleteTrigger.prototype._getOverlayPosition = function () {\n        var strategy = this._overlay.position()\n            .flexibleConnectedTo(this._getConnectedElement())\n            .withFlexibleDimensions(false)\n            .withPush(false);\n        this._setStrategyPositions(strategy);\n        this._positionStrategy = strategy;\n        return strategy;\n    };\n    /** Sets the positions on a position strategy based on the directive's input state. */\n    MatAutocompleteTrigger.prototype._setStrategyPositions = function (positionStrategy) {\n        var belowPosition = {\n            originX: 'start',\n            originY: 'bottom',\n            overlayX: 'start',\n            overlayY: 'top'\n        };\n        var abovePosition = {\n            originX: 'start',\n            originY: 'top',\n            overlayX: 'start',\n            overlayY: 'bottom',\n            // The overlay edge connected to the trigger should have squared corners, while\n            // the opposite end has rounded corners. We apply a CSS class to swap the\n            // border-radius based on the overlay position.\n            panelClass: 'mat-autocomplete-panel-above'\n        };\n        var positions;\n        if (this.position === 'above') {\n            positions = [abovePosition];\n        }\n        else if (this.position === 'below') {\n            positions = [belowPosition];\n        }\n        else {\n            positions = [belowPosition, abovePosition];\n        }\n        positionStrategy.withPositions(positions);\n    };\n    MatAutocompleteTrigger.prototype._getConnectedElement = function () {\n        if (this.connectedTo) {\n            return this.connectedTo.elementRef;\n        }\n        return this._formField ? this._formField.getConnectedOverlayOrigin() : this._element;\n    };\n    MatAutocompleteTrigger.prototype._getPanelWidth = function () {\n        return this.autocomplete.panelWidth || this._getHostWidth();\n    };\n    /** Returns the width of the input element, so the panel width can match it. */\n    MatAutocompleteTrigger.prototype._getHostWidth = function () {\n        return this._getConnectedElement().nativeElement.getBoundingClientRect().width;\n    };\n    /**\n     * Resets the active item to -1 so arrow events will activate the\n     * correct options, or to 0 if the consumer opted into it.\n     */\n    MatAutocompleteTrigger.prototype._resetActiveItem = function () {\n        this.autocomplete._keyManager.setActiveItem(this.autocomplete.autoActiveFirstOption ? 0 : -1);\n    };\n    /** Determines whether the panel can be opened. */\n    MatAutocompleteTrigger.prototype._canOpen = function () {\n        var element = this._element.nativeElement;\n        return !element.readOnly && !element.disabled && !this._autocompleteDisabled;\n    };\n    MatAutocompleteTrigger.decorators = [\n        { type: Directive, args: [{\n                    selector: \"input[matAutocomplete], textarea[matAutocomplete]\",\n                    host: {\n                        'class': 'mat-autocomplete-trigger',\n                        '[attr.autocomplete]': 'autocompleteAttribute',\n                        '[attr.role]': 'autocompleteDisabled ? null : \"combobox\"',\n                        '[attr.aria-autocomplete]': 'autocompleteDisabled ? null : \"list\"',\n                        '[attr.aria-activedescendant]': '(panelOpen && activeOption) ? activeOption.id : null',\n                        '[attr.aria-expanded]': 'autocompleteDisabled ? null : panelOpen.toString()',\n                        '[attr.aria-owns]': '(autocompleteDisabled || !panelOpen) ? null : autocomplete?.id',\n                        '[attr.aria-haspopup]': '!autocompleteDisabled',\n                        // Note: we use `focusin`, as opposed to `focus`, in order to open the panel\n                        // a little earlier. This avoids issues where IE delays the focusing of the input.\n                        '(focusin)': '_handleFocus()',\n                        '(blur)': '_onTouched()',\n                        '(input)': '_handleInput($event)',\n                        '(keydown)': '_handleKeydown($event)',\n                    },\n                    exportAs: 'matAutocompleteTrigger',\n                    providers: [MAT_AUTOCOMPLETE_VALUE_ACCESSOR]\n                },] }\n    ];\n    /** @nocollapse */\n    MatAutocompleteTrigger.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: Overlay },\n        { type: ViewContainerRef },\n        { type: NgZone },\n        { type: ChangeDetectorRef },\n        { type: undefined, decorators: [{ type: Inject, args: [MAT_AUTOCOMPLETE_SCROLL_STRATEGY,] }] },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: MatFormField, decorators: [{ type: Optional }, { type: Host }] },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [DOCUMENT,] }] },\n        { type: ViewportRuler }\n    ]; };\n    MatAutocompleteTrigger.propDecorators = {\n        autocomplete: [{ type: Input, args: ['matAutocomplete',] }],\n        position: [{ type: Input, args: ['matAutocompletePosition',] }],\n        connectedTo: [{ type: Input, args: ['matAutocompleteConnectedTo',] }],\n        autocompleteAttribute: [{ type: Input, args: ['autocomplete',] }],\n        autocompleteDisabled: [{ type: Input, args: ['matAutocompleteDisabled',] }]\n    };\n    return MatAutocompleteTrigger;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatAutocompleteModule = /** @class */ (function () {\n    function MatAutocompleteModule() {\n    }\n    MatAutocompleteModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [MatOptionModule, OverlayModule, MatCommonModule, CommonModule],\n                    exports: [\n                        MatAutocomplete,\n                        MatOptionModule,\n                        MatAutocompleteTrigger,\n                        MatAutocompleteOrigin,\n                        MatCommonModule\n                    ],\n                    declarations: [MatAutocomplete, MatAutocompleteTrigger, MatAutocompleteOrigin],\n                    providers: [MAT_AUTOCOMPLETE_SCROLL_STRATEGY_FACTORY_PROVIDER],\n                },] }\n    ];\n    return MatAutocompleteModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { AUTOCOMPLETE_OPTION_HEIGHT, AUTOCOMPLETE_PANEL_HEIGHT, MAT_AUTOCOMPLETE_DEFAULT_OPTIONS, MAT_AUTOCOMPLETE_DEFAULT_OPTIONS_FACTORY, MAT_AUTOCOMPLETE_SCROLL_STRATEGY, MAT_AUTOCOMPLETE_SCROLL_STRATEGY_FACTORY, MAT_AUTOCOMPLETE_SCROLL_STRATEGY_FACTORY_PROVIDER, MAT_AUTOCOMPLETE_VALUE_ACCESSOR, MatAutocomplete, MatAutocompleteModule, MatAutocompleteOrigin, MatAutocompleteSelectedEvent, MatAutocompleteTrigger, getMatAutocompleteMissingPanelError };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { Point, Path, Polyline } from '../util/graphic';\nimport PathProxy from 'zrender/lib/core/PathProxy';\nimport { normalizeRadian } from 'zrender/lib/contain/util';\nimport { cubicProjectPoint, quadraticProjectPoint } from 'zrender/lib/core/curve';\nimport { defaults, retrieve2 } from 'zrender/lib/core/util';\nimport { invert } from 'zrender/lib/core/matrix';\nimport * as vector from 'zrender/lib/core/vector';\nimport { DISPLAY_STATES, SPECIAL_STATES } from '../util/states';\nvar PI2 = Math.PI * 2;\nvar CMD = PathProxy.CMD;\nvar DEFAULT_SEARCH_SPACE = ['top', 'right', 'bottom', 'left'];\n\nfunction getCandidateAnchor(pos, distance, rect, outPt, outDir) {\n  var width = rect.width;\n  var height = rect.height;\n\n  switch (pos) {\n    case 'top':\n      outPt.set(rect.x + width / 2, rect.y - distance);\n      outDir.set(0, -1);\n      break;\n\n    case 'bottom':\n      outPt.set(rect.x + width / 2, rect.y + height + distance);\n      outDir.set(0, 1);\n      break;\n\n    case 'left':\n      outPt.set(rect.x - distance, rect.y + height / 2);\n      outDir.set(-1, 0);\n      break;\n\n    case 'right':\n      outPt.set(rect.x + width + distance, rect.y + height / 2);\n      outDir.set(1, 0);\n      break;\n  }\n}\n\nfunction projectPointToArc(cx, cy, r, startAngle, endAngle, anticlockwise, x, y, out) {\n  x -= cx;\n  y -= cy;\n  var d = Math.sqrt(x * x + y * y);\n  x /= d;\n  y /= d; // Intersect point.\n\n  var ox = x * r + cx;\n  var oy = y * r + cy;\n\n  if (Math.abs(startAngle - endAngle) % PI2 < 1e-4) {\n    // Is a circle\n    out[0] = ox;\n    out[1] = oy;\n    return d - r;\n  }\n\n  if (anticlockwise) {\n    var tmp = startAngle;\n    startAngle = normalizeRadian(endAngle);\n    endAngle = normalizeRadian(tmp);\n  } else {\n    startAngle = normalizeRadian(startAngle);\n    endAngle = normalizeRadian(endAngle);\n  }\n\n  if (startAngle > endAngle) {\n    endAngle += PI2;\n  }\n\n  var angle = Math.atan2(y, x);\n\n  if (angle < 0) {\n    angle += PI2;\n  }\n\n  if (angle >= startAngle && angle <= endAngle || angle + PI2 >= startAngle && angle + PI2 <= endAngle) {\n    // Project point is on the arc.\n    out[0] = ox;\n    out[1] = oy;\n    return d - r;\n  }\n\n  var x1 = r * Math.cos(startAngle) + cx;\n  var y1 = r * Math.sin(startAngle) + cy;\n  var x2 = r * Math.cos(endAngle) + cx;\n  var y2 = r * Math.sin(endAngle) + cy;\n  var d1 = (x1 - x) * (x1 - x) + (y1 - y) * (y1 - y);\n  var d2 = (x2 - x) * (x2 - x) + (y2 - y) * (y2 - y);\n\n  if (d1 < d2) {\n    out[0] = x1;\n    out[1] = y1;\n    return Math.sqrt(d1);\n  } else {\n    out[0] = x2;\n    out[1] = y2;\n    return Math.sqrt(d2);\n  }\n}\n\nfunction projectPointToLine(x1, y1, x2, y2, x, y, out, limitToEnds) {\n  var dx = x - x1;\n  var dy = y - y1;\n  var dx1 = x2 - x1;\n  var dy1 = y2 - y1;\n  var lineLen = Math.sqrt(dx1 * dx1 + dy1 * dy1);\n  dx1 /= lineLen;\n  dy1 /= lineLen; // dot product\n\n  var projectedLen = dx * dx1 + dy * dy1;\n  var t = projectedLen / lineLen;\n\n  if (limitToEnds) {\n    t = Math.min(Math.max(t, 0), 1);\n  }\n\n  t *= lineLen;\n  var ox = out[0] = x1 + t * dx1;\n  var oy = out[1] = y1 + t * dy1;\n  return Math.sqrt((ox - x) * (ox - x) + (oy - y) * (oy - y));\n}\n\nfunction projectPointToRect(x1, y1, width, height, x, y, out) {\n  if (width < 0) {\n    x1 = x1 + width;\n    width = -width;\n  }\n\n  if (height < 0) {\n    y1 = y1 + height;\n    height = -height;\n  }\n\n  var x2 = x1 + width;\n  var y2 = y1 + height;\n  var ox = out[0] = Math.min(Math.max(x, x1), x2);\n  var oy = out[1] = Math.min(Math.max(y, y1), y2);\n  return Math.sqrt((ox - x) * (ox - x) + (oy - y) * (oy - y));\n}\n\nvar tmpPt = [];\n\nfunction nearestPointOnRect(pt, rect, out) {\n  var dist = projectPointToRect(rect.x, rect.y, rect.width, rect.height, pt.x, pt.y, tmpPt);\n  out.set(tmpPt[0], tmpPt[1]);\n  return dist;\n}\n/**\n * Calculate min distance corresponding point.\n * This method won't evaluate if point is in the path.\n */\n\n\nfunction nearestPointOnPath(pt, path, out) {\n  var xi = 0;\n  var yi = 0;\n  var x0 = 0;\n  var y0 = 0;\n  var x1;\n  var y1;\n  var minDist = Infinity;\n  var data = path.data;\n  var x = pt.x;\n  var y = pt.y;\n\n  for (var i = 0; i < data.length;) {\n    var cmd = data[i++];\n\n    if (i === 1) {\n      xi = data[i];\n      yi = data[i + 1];\n      x0 = xi;\n      y0 = yi;\n    }\n\n    var d = minDist;\n\n    switch (cmd) {\n      case CMD.M:\n        // moveTo 命令重新创建一个新的 subpath, 并且更新新的起点\n        // 在 closePath 的时候使用\n        x0 = data[i++];\n        y0 = data[i++];\n        xi = x0;\n        yi = y0;\n        break;\n\n      case CMD.L:\n        d = projectPointToLine(xi, yi, data[i], data[i + 1], x, y, tmpPt, true);\n        xi = data[i++];\n        yi = data[i++];\n        break;\n\n      case CMD.C:\n        d = cubicProjectPoint(xi, yi, data[i++], data[i++], data[i++], data[i++], data[i], data[i + 1], x, y, tmpPt);\n        xi = data[i++];\n        yi = data[i++];\n        break;\n\n      case CMD.Q:\n        d = quadraticProjectPoint(xi, yi, data[i++], data[i++], data[i], data[i + 1], x, y, tmpPt);\n        xi = data[i++];\n        yi = data[i++];\n        break;\n\n      case CMD.A:\n        // TODO Arc 判断的开销比较大\n        var cx = data[i++];\n        var cy = data[i++];\n        var rx = data[i++];\n        var ry = data[i++];\n        var theta = data[i++];\n        var dTheta = data[i++]; // TODO Arc 旋转\n\n        i += 1;\n        var anticlockwise = !!(1 - data[i++]);\n        x1 = Math.cos(theta) * rx + cx;\n        y1 = Math.sin(theta) * ry + cy; // 不是直接使用 arc 命令\n\n        if (i <= 1) {\n          // 第一个命令起点还未定义\n          x0 = x1;\n          y0 = y1;\n        } // zr 使用scale来模拟椭圆, 这里也对x做一定的缩放\n\n\n        var _x = (x - cx) * ry / rx + cx;\n\n        d = projectPointToArc(cx, cy, ry, theta, theta + dTheta, anticlockwise, _x, y, tmpPt);\n        xi = Math.cos(theta + dTheta) * rx + cx;\n        yi = Math.sin(theta + dTheta) * ry + cy;\n        break;\n\n      case CMD.R:\n        x0 = xi = data[i++];\n        y0 = yi = data[i++];\n        var width = data[i++];\n        var height = data[i++];\n        d = projectPointToRect(x0, y0, width, height, x, y, tmpPt);\n        break;\n\n      case CMD.Z:\n        d = projectPointToLine(xi, yi, x0, y0, x, y, tmpPt, true);\n        xi = x0;\n        yi = y0;\n        break;\n    }\n\n    if (d < minDist) {\n      minDist = d;\n      out.set(tmpPt[0], tmpPt[1]);\n    }\n  }\n\n  return minDist;\n} // Temporal varible for intermediate usage.\n\n\nvar pt0 = new Point();\nvar pt1 = new Point();\nvar pt2 = new Point();\nvar dir = new Point();\nvar dir2 = new Point();\n/**\n * Calculate a proper guide line based on the label position and graphic element definition\n * @param label\n * @param labelRect\n * @param target\n * @param targetRect\n */\n\nexport function updateLabelLinePoints(target, labelLineModel) {\n  if (!target) {\n    return;\n  }\n\n  var labelLine = target.getTextGuideLine();\n  var label = target.getTextContent(); // Needs to create text guide in each charts.\n\n  if (!(label && labelLine)) {\n    return;\n  }\n\n  var labelGuideConfig = target.textGuideLineConfig || {};\n  var points = [[0, 0], [0, 0], [0, 0]];\n  var searchSpace = labelGuideConfig.candidates || DEFAULT_SEARCH_SPACE;\n  var labelRect = label.getBoundingRect().clone();\n  labelRect.applyTransform(label.getComputedTransform());\n  var minDist = Infinity;\n  var anchorPoint = labelGuideConfig.anchor;\n  var targetTransform = target.getComputedTransform();\n  var targetInversedTransform = targetTransform && invert([], targetTransform);\n  var len = labelLineModel.get('length2') || 0;\n\n  if (anchorPoint) {\n    pt2.copy(anchorPoint);\n  }\n\n  for (var i = 0; i < searchSpace.length; i++) {\n    var candidate = searchSpace[i];\n    getCandidateAnchor(candidate, 0, labelRect, pt0, dir);\n    Point.scaleAndAdd(pt1, pt0, dir, len); // Transform to target coord space.\n\n    pt1.transform(targetInversedTransform); // Note: getBoundingRect will ensure the `path` being created.\n\n    var boundingRect = target.getBoundingRect();\n    var dist = anchorPoint ? anchorPoint.distance(pt1) : target instanceof Path ? nearestPointOnPath(pt1, target.path, pt2) : nearestPointOnRect(pt1, boundingRect, pt2); // TODO pt2 is in the path\n\n    if (dist < minDist) {\n      minDist = dist; // Transform back to global space.\n\n      pt1.transform(targetTransform);\n      pt2.transform(targetTransform);\n      pt2.toArray(points[0]);\n      pt1.toArray(points[1]);\n      pt0.toArray(points[2]);\n    }\n  }\n\n  limitTurnAngle(points, labelLineModel.get('minTurnAngle'));\n  labelLine.setShape({\n    points: points\n  });\n} // Temporal variable for the limitTurnAngle function\n\nvar tmpArr = [];\nvar tmpProjPoint = new Point();\n/**\n * Reduce the line segment attached to the label to limit the turn angle between two segments.\n * @param linePoints\n * @param minTurnAngle Radian of minimum turn angle. 0 - 180\n */\n\nexport function limitTurnAngle(linePoints, minTurnAngle) {\n  if (!(minTurnAngle <= 180 && minTurnAngle > 0)) {\n    return;\n  }\n\n  minTurnAngle = minTurnAngle / 180 * Math.PI; // The line points can be\n  //      /pt1----pt2 (label)\n  //     /\n  // pt0/\n\n  pt0.fromArray(linePoints[0]);\n  pt1.fromArray(linePoints[1]);\n  pt2.fromArray(linePoints[2]);\n  Point.sub(dir, pt0, pt1);\n  Point.sub(dir2, pt2, pt1);\n  var len1 = dir.len();\n  var len2 = dir2.len();\n\n  if (len1 < 1e-3 || len2 < 1e-3) {\n    return;\n  }\n\n  dir.scale(1 / len1);\n  dir2.scale(1 / len2);\n  var angleCos = dir.dot(dir2);\n  var minTurnAngleCos = Math.cos(minTurnAngle);\n\n  if (minTurnAngleCos < angleCos) {\n    // Smaller than minTurnAngle\n    // Calculate project point of pt0 on pt1-pt2\n    var d = projectPointToLine(pt1.x, pt1.y, pt2.x, pt2.y, pt0.x, pt0.y, tmpArr, false);\n    tmpProjPoint.fromArray(tmpArr); // Calculate new projected length with limited minTurnAngle and get the new connect point\n\n    tmpProjPoint.scaleAndAdd(dir2, d / Math.tan(Math.PI - minTurnAngle)); // Limit the new calculated connect point between pt1 and pt2.\n\n    var t = pt2.x !== pt1.x ? (tmpProjPoint.x - pt1.x) / (pt2.x - pt1.x) : (tmpProjPoint.y - pt1.y) / (pt2.y - pt1.y);\n\n    if (isNaN(t)) {\n      return;\n    }\n\n    if (t < 0) {\n      Point.copy(tmpProjPoint, pt1);\n    } else if (t > 1) {\n      Point.copy(tmpProjPoint, pt2);\n    }\n\n    tmpProjPoint.toArray(linePoints[1]);\n  }\n}\n/**\n * Limit the angle of line and the surface\n * @param maxSurfaceAngle Radian of minimum turn angle. 0 - 180. 0 is same direction to normal. 180 is opposite\n */\n\nexport function limitSurfaceAngle(linePoints, surfaceNormal, maxSurfaceAngle) {\n  if (!(maxSurfaceAngle <= 180 && maxSurfaceAngle > 0)) {\n    return;\n  }\n\n  maxSurfaceAngle = maxSurfaceAngle / 180 * Math.PI;\n  pt0.fromArray(linePoints[0]);\n  pt1.fromArray(linePoints[1]);\n  pt2.fromArray(linePoints[2]);\n  Point.sub(dir, pt1, pt0);\n  Point.sub(dir2, pt2, pt1);\n  var len1 = dir.len();\n  var len2 = dir2.len();\n\n  if (len1 < 1e-3 || len2 < 1e-3) {\n    return;\n  }\n\n  dir.scale(1 / len1);\n  dir2.scale(1 / len2);\n  var angleCos = dir.dot(surfaceNormal);\n  var maxSurfaceAngleCos = Math.cos(maxSurfaceAngle);\n\n  if (angleCos < maxSurfaceAngleCos) {\n    // Calculate project point of pt0 on pt1-pt2\n    var d = projectPointToLine(pt1.x, pt1.y, pt2.x, pt2.y, pt0.x, pt0.y, tmpArr, false);\n    tmpProjPoint.fromArray(tmpArr);\n    var HALF_PI = Math.PI / 2;\n    var angle2 = Math.acos(dir2.dot(surfaceNormal));\n    var newAngle = HALF_PI + angle2 - maxSurfaceAngle;\n\n    if (newAngle >= HALF_PI) {\n      // parallel\n      Point.copy(tmpProjPoint, pt2);\n    } else {\n      // Calculate new projected length with limited minTurnAngle and get the new connect point\n      tmpProjPoint.scaleAndAdd(dir2, d / Math.tan(Math.PI / 2 - newAngle)); // Limit the new calculated connect point between pt1 and pt2.\n\n      var t = pt2.x !== pt1.x ? (tmpProjPoint.x - pt1.x) / (pt2.x - pt1.x) : (tmpProjPoint.y - pt1.y) / (pt2.y - pt1.y);\n\n      if (isNaN(t)) {\n        return;\n      }\n\n      if (t < 0) {\n        Point.copy(tmpProjPoint, pt1);\n      } else if (t > 1) {\n        Point.copy(tmpProjPoint, pt2);\n      }\n    }\n\n    tmpProjPoint.toArray(linePoints[1]);\n  }\n}\n\nfunction setLabelLineState(labelLine, ignore, stateName, stateModel) {\n  var isNormal = stateName === 'normal';\n  var stateObj = isNormal ? labelLine : labelLine.ensureState(stateName); // Make sure display.\n\n  stateObj.ignore = ignore; // Set smooth\n\n  var smooth = stateModel.get('smooth');\n\n  if (smooth && smooth === true) {\n    smooth = 0.3;\n  }\n\n  stateObj.shape = stateObj.shape || {};\n\n  if (smooth > 0) {\n    stateObj.shape.smooth = smooth;\n  }\n\n  var styleObj = stateModel.getModel('lineStyle').getLineStyle();\n  isNormal ? labelLine.useStyle(styleObj) : stateObj.style = styleObj;\n}\n\nfunction buildLabelLinePath(path, shape) {\n  var smooth = shape.smooth;\n  var points = shape.points;\n\n  if (!points) {\n    return;\n  }\n\n  path.moveTo(points[0][0], points[0][1]);\n\n  if (smooth > 0 && points.length >= 3) {\n    var len1 = vector.dist(points[0], points[1]);\n    var len2 = vector.dist(points[1], points[2]);\n\n    if (!len1 || !len2) {\n      path.lineTo(points[1][0], points[1][1]);\n      path.lineTo(points[2][0], points[2][1]);\n      return;\n    }\n\n    var moveLen = Math.min(len1, len2) * smooth;\n    var midPoint0 = vector.lerp([], points[1], points[0], moveLen / len1);\n    var midPoint2 = vector.lerp([], points[1], points[2], moveLen / len2);\n    var midPoint1 = vector.lerp([], midPoint0, midPoint2, 0.5);\n    path.bezierCurveTo(midPoint0[0], midPoint0[1], midPoint0[0], midPoint0[1], midPoint1[0], midPoint1[1]);\n    path.bezierCurveTo(midPoint2[0], midPoint2[1], midPoint2[0], midPoint2[1], points[2][0], points[2][1]);\n  } else {\n    for (var i = 1; i < points.length; i++) {\n      path.lineTo(points[i][0], points[i][1]);\n    }\n  }\n}\n/**\n * Create a label line if necessary and set it's style.\n */\n\n\nexport function setLabelLineStyle(targetEl, statesModels, defaultStyle) {\n  var labelLine = targetEl.getTextGuideLine();\n  var label = targetEl.getTextContent();\n\n  if (!label) {\n    // Not show label line if there is no label.\n    if (labelLine) {\n      targetEl.removeTextGuideLine();\n    }\n\n    return;\n  }\n\n  var normalModel = statesModels.normal;\n  var showNormal = normalModel.get('show');\n  var labelIgnoreNormal = label.ignore;\n\n  for (var i = 0; i < DISPLAY_STATES.length; i++) {\n    var stateName = DISPLAY_STATES[i];\n    var stateModel = statesModels[stateName];\n    var isNormal = stateName === 'normal';\n\n    if (stateModel) {\n      var stateShow = stateModel.get('show');\n      var isLabelIgnored = isNormal ? labelIgnoreNormal : retrieve2(label.states[stateName] && label.states[stateName].ignore, labelIgnoreNormal);\n\n      if (isLabelIgnored // Not show when label is not shown in this state.\n      || !retrieve2(stateShow, showNormal) // Use normal state by default if not set.\n      ) {\n          var stateObj = isNormal ? labelLine : labelLine && labelLine.states.normal;\n\n          if (stateObj) {\n            stateObj.ignore = true;\n          }\n\n          continue;\n        } // Create labelLine if not exists\n\n\n      if (!labelLine) {\n        labelLine = new Polyline();\n        targetEl.setTextGuideLine(labelLine); // Reset state of normal because it's new created.\n        // NOTE: NORMAL should always been the first!\n\n        if (!isNormal && (labelIgnoreNormal || !showNormal)) {\n          setLabelLineState(labelLine, true, 'normal', statesModels.normal);\n        } // Use same state proxy.\n\n\n        if (targetEl.stateProxy) {\n          labelLine.stateProxy = targetEl.stateProxy;\n        }\n      }\n\n      setLabelLineState(labelLine, false, stateName, stateModel);\n    }\n  }\n\n  if (labelLine) {\n    defaults(labelLine.style, defaultStyle); // Not fill.\n\n    labelLine.style.fill = null;\n    var showAbove = normalModel.get('showAbove');\n    var labelLineConfig = targetEl.textGuideLineConfig = targetEl.textGuideLineConfig || {};\n    labelLineConfig.showAbove = showAbove || false; // Custom the buildPath.\n\n    labelLine.buildPath = buildLabelLinePath;\n  }\n}\nexport function getLabelLineStatesModels(itemModel, labelLineName) {\n  labelLineName = labelLineName || 'labelLine';\n  var statesModels = {\n    normal: itemModel.getModel(labelLineName)\n  };\n\n  for (var i = 0; i < SPECIAL_STATES.length; i++) {\n    var stateName = SPECIAL_STATES[i];\n    statesModels[stateName] = itemModel.getModel([stateName, labelLineName]);\n  }\n\n  return statesModels;\n}","\"use strict\";\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar decode_1 = require(\"./decode\");\nvar encode_1 = require(\"./encode\");\nfunction decode(data, level) {\n    return (!level || level <= 0 ? decode_1.decodeXML : decode_1.decodeHTML)(data);\n}\nexports.decode = decode;\nfunction decodeStrict(data, level) {\n    return (!level || level <= 0 ? decode_1.decodeXML : decode_1.decodeHTMLStrict)(data);\n}\nexports.decodeStrict = decodeStrict;\nfunction encode(data, level) {\n    return (!level || level <= 0 ? encode_1.encodeXML : encode_1.encodeHTML)(data);\n}\nexports.encode = encode;\nvar encode_2 = require(\"./encode\");\nexports.encodeXML = encode_2.encodeXML;\nexports.encodeHTML = encode_2.encodeHTML;\nexports.escape = encode_2.escape;\n// Legacy aliases\nexports.encodeHTML4 = encode_2.encodeHTML;\nexports.encodeHTML5 = encode_2.encodeHTML;\nvar decode_2 = require(\"./decode\");\nexports.decodeXML = decode_2.decodeXML;\nexports.decodeHTML = decode_2.decodeHTML;\nexports.decodeHTMLStrict = decode_2.decodeHTMLStrict;\n// Legacy aliases\nexports.decodeHTML4 = decode_2.decodeHTML;\nexports.decodeHTML5 = decode_2.decodeHTML;\nexports.decodeHTML4Strict = decode_2.decodeHTMLStrict;\nexports.decodeHTML5Strict = decode_2.decodeHTMLStrict;\nexports.decodeXMLStrict = decode_2.decodeXML;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as numberUtil from '../util/number';\nimport * as formatUtil from '../util/format';\nimport Scale from './Scale';\nimport * as helper from './helper';\nvar roundNumber = numberUtil.round;\n\nvar IntervalScale =\n/** @class */\nfunction (_super) {\n  __extends(IntervalScale, _super);\n\n  function IntervalScale() {\n    var _this = _super !== null && _super.apply(this, arguments) || this;\n\n    _this.type = 'interval'; // Step is calculated in adjustExtent.\n\n    _this._interval = 0;\n    _this._intervalPrecision = 2;\n    return _this;\n  }\n\n  IntervalScale.prototype.parse = function (val) {\n    return val;\n  };\n\n  IntervalScale.prototype.contain = function (val) {\n    return helper.contain(val, this._extent);\n  };\n\n  IntervalScale.prototype.normalize = function (val) {\n    return helper.normalize(val, this._extent);\n  };\n\n  IntervalScale.prototype.scale = function (val) {\n    return helper.scale(val, this._extent);\n  };\n\n  IntervalScale.prototype.setExtent = function (start, end) {\n    var thisExtent = this._extent; // start,end may be a Number like '25',so...\n\n    if (!isNaN(start)) {\n      thisExtent[0] = parseFloat(start);\n    }\n\n    if (!isNaN(end)) {\n      thisExtent[1] = parseFloat(end);\n    }\n  };\n\n  IntervalScale.prototype.unionExtent = function (other) {\n    var extent = this._extent;\n    other[0] < extent[0] && (extent[0] = other[0]);\n    other[1] > extent[1] && (extent[1] = other[1]); // unionExtent may called by it's sub classes\n\n    this.setExtent(extent[0], extent[1]);\n  };\n\n  IntervalScale.prototype.getInterval = function () {\n    return this._interval;\n  };\n\n  IntervalScale.prototype.setInterval = function (interval) {\n    this._interval = interval; // Dropped auto calculated niceExtent and use user setted extent\n    // We assume user wan't to set both interval, min, max to get a better result\n\n    this._niceExtent = this._extent.slice();\n    this._intervalPrecision = helper.getIntervalPrecision(interval);\n  };\n  /**\n   * @param expandToNicedExtent Whether expand the ticks to niced extent.\n   */\n\n\n  IntervalScale.prototype.getTicks = function (expandToNicedExtent) {\n    var interval = this._interval;\n    var extent = this._extent;\n    var niceTickExtent = this._niceExtent;\n    var intervalPrecision = this._intervalPrecision;\n    var ticks = []; // If interval is 0, return [];\n\n    if (!interval) {\n      return ticks;\n    } // Consider this case: using dataZoom toolbox, zoom and zoom.\n\n\n    var safeLimit = 10000;\n\n    if (extent[0] < niceTickExtent[0]) {\n      if (expandToNicedExtent) {\n        ticks.push({\n          value: roundNumber(niceTickExtent[0] - interval, intervalPrecision)\n        });\n      } else {\n        ticks.push({\n          value: extent[0]\n        });\n      }\n    }\n\n    var tick = niceTickExtent[0];\n\n    while (tick <= niceTickExtent[1]) {\n      ticks.push({\n        value: tick\n      }); // Avoid rounding error\n\n      tick = roundNumber(tick + interval, intervalPrecision);\n\n      if (tick === ticks[ticks.length - 1].value) {\n        // Consider out of safe float point, e.g.,\n        // -3711126.9907707 + 2e-10 === -3711126.9907707\n        break;\n      }\n\n      if (ticks.length > safeLimit) {\n        return [];\n      }\n    } // Consider this case: the last item of ticks is smaller\n    // than niceTickExtent[1] and niceTickExtent[1] === extent[1].\n\n\n    var lastNiceTick = ticks.length ? ticks[ticks.length - 1].value : niceTickExtent[1];\n\n    if (extent[1] > lastNiceTick) {\n      if (expandToNicedExtent) {\n        ticks.push({\n          value: roundNumber(lastNiceTick + interval, intervalPrecision)\n        });\n      } else {\n        ticks.push({\n          value: extent[1]\n        });\n      }\n    }\n\n    return ticks;\n  };\n\n  IntervalScale.prototype.getMinorTicks = function (splitNumber) {\n    var ticks = this.getTicks(true);\n    var minorTicks = [];\n    var extent = this.getExtent();\n\n    for (var i = 1; i < ticks.length; i++) {\n      var nextTick = ticks[i];\n      var prevTick = ticks[i - 1];\n      var count = 0;\n      var minorTicksGroup = [];\n      var interval = nextTick.value - prevTick.value;\n      var minorInterval = interval / splitNumber;\n\n      while (count < splitNumber - 1) {\n        var minorTick = roundNumber(prevTick.value + (count + 1) * minorInterval); // For the first and last interval. The count may be less than splitNumber.\n\n        if (minorTick > extent[0] && minorTick < extent[1]) {\n          minorTicksGroup.push(minorTick);\n        }\n\n        count++;\n      }\n\n      minorTicks.push(minorTicksGroup);\n    }\n\n    return minorTicks;\n  };\n  /**\n   * @param opt.precision If 'auto', use nice presision.\n   * @param opt.pad returns 1.50 but not 1.5 if precision is 2.\n   */\n\n\n  IntervalScale.prototype.getLabel = function (data, opt) {\n    if (data == null) {\n      return '';\n    }\n\n    var precision = opt && opt.precision;\n\n    if (precision == null) {\n      precision = numberUtil.getPrecisionSafe(data.value) || 0;\n    } else if (precision === 'auto') {\n      // Should be more precise then tick.\n      precision = this._intervalPrecision;\n    } // (1) If `precision` is set, 12.005 should be display as '12.00500'.\n    // (2) Use roundNumber (toFixed) to avoid scientific notation like '3.5e-7'.\n\n\n    var dataNum = roundNumber(data.value, precision, true);\n    return formatUtil.addCommas(dataNum);\n  };\n  /**\n   * @param splitNumber By default `5`.\n   */\n\n\n  IntervalScale.prototype.niceTicks = function (splitNumber, minInterval, maxInterval) {\n    splitNumber = splitNumber || 5;\n    var extent = this._extent;\n    var span = extent[1] - extent[0];\n\n    if (!isFinite(span)) {\n      return;\n    } // User may set axis min 0 and data are all negative\n    // FIXME If it needs to reverse ?\n\n\n    if (span < 0) {\n      span = -span;\n      extent.reverse();\n    }\n\n    var result = helper.intervalScaleNiceTicks(extent, splitNumber, minInterval, maxInterval);\n    this._intervalPrecision = result.intervalPrecision;\n    this._interval = result.interval;\n    this._niceExtent = result.niceTickExtent;\n  };\n\n  IntervalScale.prototype.niceExtent = function (opt) {\n    var extent = this._extent; // If extent start and end are same, expand them\n\n    if (extent[0] === extent[1]) {\n      if (extent[0] !== 0) {\n        // Expand extent\n        var expandSize = extent[0]; // In the fowllowing case\n        //      Axis has been fixed max 100\n        //      Plus data are all 100 and axis extent are [100, 100].\n        // Extend to the both side will cause expanded max is larger than fixed max.\n        // So only expand to the smaller side.\n\n        if (!opt.fixMax) {\n          extent[1] += expandSize / 2;\n          extent[0] -= expandSize / 2;\n        } else {\n          extent[0] -= expandSize / 2;\n        }\n      } else {\n        extent[1] = 1;\n      }\n    }\n\n    var span = extent[1] - extent[0]; // If there are no data and extent are [Infinity, -Infinity]\n\n    if (!isFinite(span)) {\n      extent[0] = 0;\n      extent[1] = 1;\n    }\n\n    this.niceTicks(opt.splitNumber, opt.minInterval, opt.maxInterval); // let extent = this._extent;\n\n    var interval = this._interval;\n\n    if (!opt.fixMin) {\n      extent[0] = roundNumber(Math.floor(extent[0] / interval) * interval);\n    }\n\n    if (!opt.fixMax) {\n      extent[1] = roundNumber(Math.ceil(extent[1] / interval) * interval);\n    }\n  };\n\n  IntervalScale.type = 'interval';\n  return IntervalScale;\n}(Scale);\n\nScale.registerClass(IntervalScale);\nexport default IntervalScale;","import { __extends } from \"tslib\";\nimport Path from '../Path';\nvar ArcShape = (function () {\n    function ArcShape() {\n        this.cx = 0;\n        this.cy = 0;\n        this.r = 0;\n        this.startAngle = 0;\n        this.endAngle = Math.PI * 2;\n        this.clockwise = true;\n    }\n    return ArcShape;\n}());\nexport { ArcShape };\nvar Arc = (function (_super) {\n    __extends(Arc, _super);\n    function Arc(opts) {\n        return _super.call(this, opts) || this;\n    }\n    Arc.prototype.getDefaultStyle = function () {\n        return {\n            stroke: '#000',\n            fill: null\n        };\n    };\n    Arc.prototype.getDefaultShape = function () {\n        return new ArcShape();\n    };\n    Arc.prototype.buildPath = function (ctx, shape) {\n        var x = shape.cx;\n        var y = shape.cy;\n        var r = Math.max(shape.r, 0);\n        var startAngle = shape.startAngle;\n        var endAngle = shape.endAngle;\n        var clockwise = shape.clockwise;\n        var unitX = Math.cos(startAngle);\n        var unitY = Math.sin(startAngle);\n        ctx.moveTo(unitX * r + x, unitY * r + y);\n        ctx.arc(x, y, r, startAngle, endAngle, !clockwise);\n    };\n    return Arc;\n}(Path));\nArc.prototype.type = 'arc';\nexport default Arc;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { createHashMap, isObject, map } from 'zrender/lib/core/util';\n\nvar OrdinalMeta =\n/** @class */\nfunction () {\n  function OrdinalMeta(opt) {\n    this.categories = opt.categories || [];\n    this._needCollect = opt.needCollect;\n    this._deduplication = opt.deduplication;\n  }\n\n  OrdinalMeta.createByAxisModel = function (axisModel) {\n    var option = axisModel.option;\n    var data = option.data;\n    var categories = data && map(data, getName);\n    return new OrdinalMeta({\n      categories: categories,\n      needCollect: !categories,\n      // deduplication is default in axis.\n      deduplication: option.dedplication !== false\n    });\n  };\n\n  ;\n\n  OrdinalMeta.prototype.getOrdinal = function (category) {\n    // @ts-ignore\n    return this._getOrCreateMap().get(category);\n  };\n  /**\n   * @return The ordinal. If not found, return NaN.\n   */\n\n\n  OrdinalMeta.prototype.parseAndCollect = function (category) {\n    var index;\n    var needCollect = this._needCollect; // The value of category dim can be the index of the given category set.\n    // This feature is only supported when !needCollect, because we should\n    // consider a common case: a value is 2017, which is a number but is\n    // expected to be tread as a category. This case usually happen in dataset,\n    // where it happent to be no need of the index feature.\n\n    if (typeof category !== 'string' && !needCollect) {\n      return category;\n    } // Optimize for the scenario:\n    // category is ['2012-01-01', '2012-01-02', ...], where the input\n    // data has been ensured not duplicate and is large data.\n    // Notice, if a dataset dimension provide categroies, usually echarts\n    // should remove duplication except user tell echarts dont do that\n    // (set axis.deduplication = false), because echarts do not know whether\n    // the values in the category dimension has duplication (consider the\n    // parallel-aqi example)\n\n\n    if (needCollect && !this._deduplication) {\n      index = this.categories.length;\n      this.categories[index] = category;\n      return index;\n    }\n\n    var map = this._getOrCreateMap(); // @ts-ignore\n\n\n    index = map.get(category);\n\n    if (index == null) {\n      if (needCollect) {\n        index = this.categories.length;\n        this.categories[index] = category; // @ts-ignore\n\n        map.set(category, index);\n      } else {\n        index = NaN;\n      }\n    }\n\n    return index;\n  }; // Consider big data, do not create map until needed.\n\n\n  OrdinalMeta.prototype._getOrCreateMap = function () {\n    return this._map || (this._map = createHashMap(this.categories));\n  };\n\n  return OrdinalMeta;\n}();\n\nfunction getName(obj) {\n  if (isObject(obj) && obj.value != null) {\n    return obj.value;\n  } else {\n    return obj + '';\n  }\n}\n\nexport default OrdinalMeta;","import { Operator } from '../Operator';\nimport { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { OperatorFunction, MonoTypeOperatorFunction, TeardownLogic } from '../types';\n\nexport function takeWhile<T, S extends T>(predicate: (value: T, index: number) => value is S): OperatorFunction<T, S>;\nexport function takeWhile<T, S extends T>(predicate: (value: T, index: number) => value is S, inclusive: false): OperatorFunction<T, S>;\nexport function takeWhile<T>(predicate: (value: T, index: number) => boolean, inclusive?: boolean): MonoTypeOperatorFunction<T>;\n\n/**\n * Emits values emitted by the source Observable so long as each value satisfies\n * the given `predicate`, and then completes as soon as this `predicate` is not\n * satisfied.\n *\n * <span class=\"informal\">Takes values from the source only while they pass the\n * condition given. When the first value does not satisfy, it completes.</span>\n *\n * ![](takeWhile.png)\n *\n * `takeWhile` subscribes and begins mirroring the source Observable. Each value\n * emitted on the source is given to the `predicate` function which returns a\n * boolean, representing a condition to be satisfied by the source values. The\n * output Observable emits the source values until such time as the `predicate`\n * returns false, at which point `takeWhile` stops mirroring the source\n * Observable and completes the output Observable.\n *\n * ## Example\n * Emit click events only while the clientX property is greater than 200\n * ```ts\n * import { fromEvent } from 'rxjs';\n * import { takeWhile } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(takeWhile(ev => ev.clientX > 200));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link take}\n * @see {@link takeLast}\n * @see {@link takeUntil}\n * @see {@link skip}\n *\n * @param {function(value: T, index: number): boolean} predicate A function that\n * evaluates a value emitted by the source Observable and returns a boolean.\n * Also takes the (zero-based) index as the second argument.\n * @param {boolean} inclusive When set to `true` the value that caused\n * `predicate` to return `false` will also be emitted.\n * @return {Observable<T>} An Observable that emits the values from the source\n * Observable so long as each value satisfies the condition defined by the\n * `predicate`, then completes.\n * @method takeWhile\n * @owner Observable\n */\nexport function takeWhile<T>(\n    predicate: (value: T, index: number) => boolean,\n    inclusive = false): MonoTypeOperatorFunction<T> {\n  return (source: Observable<T>) =>\n             source.lift(new TakeWhileOperator(predicate, inclusive));\n}\n\nclass TakeWhileOperator<T> implements Operator<T, T> {\n  constructor(\n      private predicate: (value: T, index: number) => boolean,\n      private inclusive: boolean) {}\n\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    return source.subscribe(\n        new TakeWhileSubscriber(subscriber, this.predicate, this.inclusive));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass TakeWhileSubscriber<T> extends Subscriber<T> {\n  private index: number = 0;\n\n  constructor(\n      destination: Subscriber<T>,\n      private predicate: (value: T, index: number) => boolean,\n      private inclusive: boolean) {\n    super(destination);\n  }\n\n  protected _next(value: T): void {\n    const destination = this.destination;\n    let result: boolean;\n    try {\n      result = this.predicate(value, this.index++);\n    } catch (err) {\n      destination.error(err);\n      return;\n    }\n    this.nextOrComplete(value, result);\n  }\n\n  private nextOrComplete(value: T, predicateResult: boolean): void {\n    const destination = this.destination;\n    if (Boolean(predicateResult)) {\n      destination.next(value);\n    } else {\n      if (this.inclusive) {\n        destination.next(value);\n      }\n      destination.complete();\n    }\n  }\n}\n","import { Observable } from '../Observable';\nimport { ReplaySubject } from '../ReplaySubject';\nimport { Subscription } from '../Subscription';\nimport { MonoTypeOperatorFunction, SchedulerLike } from '../types';\nimport { Subscriber } from '../Subscriber';\n\nexport interface ShareReplayConfig {\n  bufferSize?: number;\n  windowTime?: number;\n  refCount: boolean;\n  scheduler?: SchedulerLike;\n}\n\n/**\n * Share source and replay specified number of emissions on subscription.\n *\n * This operator is a specialization of `replay` that connects to a source observable\n * and multicasts through a `ReplaySubject` constructed with the specified arguments.\n * A successfully completed source will stay cached in the `shareReplayed observable` forever,\n * but an errored source can be retried.\n *\n * ## Why use shareReplay?\n * You generally want to use `shareReplay` when you have side-effects or taxing computations\n * that you do not wish to be executed amongst multiple subscribers.\n * It may also be valuable in situations where you know you will have late subscribers to\n * a stream that need access to previously emitted values.\n * This ability to replay values on subscription is what differentiates {@link share} and `shareReplay`.\n *\n * ![](shareReplay.png)\n *\n * ## Example\n * ```ts\n * import { interval } from 'rxjs';\n * import { shareReplay, take } from 'rxjs/operators';\n *\n * const obs$ = interval(1000);\n * const shared$ = obs$.pipe(\n *   take(4),\n *   shareReplay(3)\n * );\n * shared$.subscribe(x => console.log('source A: ', x));\n * shared$.subscribe(y => console.log('source B: ', y));\n *\n * ```\n *\n * @see {@link publish}\n * @see {@link share}\n * @see {@link publishReplay}\n *\n * @param {Number} [bufferSize=Number.POSITIVE_INFINITY] Maximum element count of the replay buffer.\n * @param {Number} [windowTime=Number.POSITIVE_INFINITY] Maximum time length of the replay buffer in milliseconds.\n * @param {Scheduler} [scheduler] Scheduler where connected observers within the selector function\n * will be invoked on.\n * @return {Observable} An observable sequence that contains the elements of a sequence produced\n * by multicasting the source sequence within a selector function.\n * @method shareReplay\n * @owner Observable\n */\nexport function shareReplay<T>(config: ShareReplayConfig): MonoTypeOperatorFunction<T>;\nexport function shareReplay<T>(bufferSize?: number, windowTime?: number, scheduler?: SchedulerLike): MonoTypeOperatorFunction<T>;\nexport function shareReplay<T>(\n  configOrBufferSize?: ShareReplayConfig | number,\n  windowTime?: number,\n  scheduler?: SchedulerLike\n): MonoTypeOperatorFunction<T> {\n  let config: ShareReplayConfig;\n  if (configOrBufferSize && typeof configOrBufferSize === 'object') {\n    config = configOrBufferSize as ShareReplayConfig;\n  } else {\n    config = {\n      bufferSize: configOrBufferSize as number | undefined,\n      windowTime,\n      refCount: false,\n      scheduler\n    };\n  }\n  return (source: Observable<T>) => source.lift(shareReplayOperator(config));\n}\n\nfunction shareReplayOperator<T>({\n  bufferSize = Number.POSITIVE_INFINITY,\n  windowTime = Number.POSITIVE_INFINITY,\n  refCount: useRefCount,\n  scheduler\n}: ShareReplayConfig) {\n  let subject: ReplaySubject<T> | undefined;\n  let refCount = 0;\n  let subscription: Subscription | undefined;\n  let hasError = false;\n  let isComplete = false;\n\n  return function shareReplayOperation(this: Subscriber<T>, source: Observable<T>) {\n    refCount++;\n    if (!subject || hasError) {\n      hasError = false;\n      subject = new ReplaySubject<T>(bufferSize, windowTime, scheduler);\n      subscription = source.subscribe({\n        next(value) { subject.next(value); },\n        error(err) {\n          hasError = true;\n          subject.error(err);\n        },\n        complete() {\n          isComplete = true;\n          subscription = undefined;\n          subject.complete();\n        },\n      });\n    }\n\n    const innerSub = subject.subscribe(this);\n    this.add(() => {\n      refCount--;\n      innerSub.unsubscribe();\n      if (subscription && !isComplete && useRefCount && refCount === 0) {\n        subscription.unsubscribe();\n        subscription = undefined;\n        subject = undefined;\n      }\n    });\n  };\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as numberUtil from '../util/number';\nvar roundNumber = numberUtil.round;\n/**\n * @param extent Both extent[0] and extent[1] should be valid number.\n *               Should be extent[0] < extent[1].\n * @param splitNumber splitNumber should be >= 1.\n */\n\nexport function intervalScaleNiceTicks(extent, splitNumber, minInterval, maxInterval) {\n  var result = {};\n  var span = extent[1] - extent[0];\n  var interval = result.interval = numberUtil.nice(span / splitNumber, true);\n\n  if (minInterval != null && interval < minInterval) {\n    interval = result.interval = minInterval;\n  }\n\n  if (maxInterval != null && interval > maxInterval) {\n    interval = result.interval = maxInterval;\n  } // Tow more digital for tick.\n\n\n  var precision = result.intervalPrecision = getIntervalPrecision(interval); // Niced extent inside original extent\n\n  var niceTickExtent = result.niceTickExtent = [roundNumber(Math.ceil(extent[0] / interval) * interval, precision), roundNumber(Math.floor(extent[1] / interval) * interval, precision)];\n  fixExtent(niceTickExtent, extent);\n  return result;\n}\n/**\n * @return interval precision\n */\n\nexport function getIntervalPrecision(interval) {\n  // Tow more digital for tick.\n  return numberUtil.getPrecisionSafe(interval) + 2;\n}\n\nfunction clamp(niceTickExtent, idx, extent) {\n  niceTickExtent[idx] = Math.max(Math.min(niceTickExtent[idx], extent[1]), extent[0]);\n} // In some cases (e.g., splitNumber is 1), niceTickExtent may be out of extent.\n\n\nexport function fixExtent(niceTickExtent, extent) {\n  !isFinite(niceTickExtent[0]) && (niceTickExtent[0] = extent[0]);\n  !isFinite(niceTickExtent[1]) && (niceTickExtent[1] = extent[1]);\n  clamp(niceTickExtent, 0, extent);\n  clamp(niceTickExtent, 1, extent);\n\n  if (niceTickExtent[0] > niceTickExtent[1]) {\n    niceTickExtent[0] = niceTickExtent[1];\n  }\n}\nexport function contain(val, extent) {\n  return val >= extent[0] && val <= extent[1];\n}\nexport function normalize(val, extent) {\n  if (extent[1] === extent[0]) {\n    return 0.5;\n  }\n\n  return (val - extent[0]) / (extent[1] - extent[0]);\n}\nexport function scale(val, extent) {\n  return val * (extent[1] - extent[0]) + extent[0];\n}","export function containStroke(x0, y0, x1, y1, lineWidth, x, y) {\n    if (lineWidth === 0) {\n        return false;\n    }\n    var _l = lineWidth;\n    var _a = 0;\n    var _b = x0;\n    if ((y > y0 + _l && y > y1 + _l)\n        || (y < y0 - _l && y < y1 - _l)\n        || (x > x0 + _l && x > x1 + _l)\n        || (x < x0 - _l && x < x1 - _l)) {\n        return false;\n    }\n    if (x0 !== x1) {\n        _a = (y0 - y1) / (x0 - x1);\n        _b = (x0 * y1 - x1 * y0) / (x0 - x1);\n    }\n    else {\n        return Math.abs(x - x0) <= _l / 2;\n    }\n    var tmp = _a * x - y + _b;\n    var _s = tmp * tmp / (_a * _a + 1);\n    return _s <= _l / 2 * _l / 2;\n}\n","import * as matrix from './matrix';\nimport Point from './Point';\nvar mathMin = Math.min;\nvar mathMax = Math.max;\nvar lt = new Point();\nvar rb = new Point();\nvar lb = new Point();\nvar rt = new Point();\nvar minTv = new Point();\nvar maxTv = new Point();\nvar BoundingRect = (function () {\n    function BoundingRect(x, y, width, height) {\n        if (width < 0 && isFinite(width)) {\n            x = x + width;\n            width = -width;\n        }\n        if (height < 0 && isFinite(height)) {\n            y = y + height;\n            height = -height;\n        }\n        this.x = x;\n        this.y = y;\n        this.width = width;\n        this.height = height;\n    }\n    BoundingRect.prototype.union = function (other) {\n        var x = mathMin(other.x, this.x);\n        var y = mathMin(other.y, this.y);\n        if (isFinite(this.x) && isFinite(this.width)) {\n            this.width = mathMax(other.x + other.width, this.x + this.width) - x;\n        }\n        else {\n            this.width = other.width;\n        }\n        if (isFinite(this.y) && isFinite(this.height)) {\n            this.height = mathMax(other.y + other.height, this.y + this.height) - y;\n        }\n        else {\n            this.height = other.height;\n        }\n        this.x = x;\n        this.y = y;\n    };\n    BoundingRect.prototype.applyTransform = function (m) {\n        BoundingRect.applyTransform(this, this, m);\n    };\n    BoundingRect.prototype.calculateTransform = function (b) {\n        var a = this;\n        var sx = b.width / a.width;\n        var sy = b.height / a.height;\n        var m = matrix.create();\n        matrix.translate(m, m, [-a.x, -a.y]);\n        matrix.scale(m, m, [sx, sy]);\n        matrix.translate(m, m, [b.x, b.y]);\n        return m;\n    };\n    BoundingRect.prototype.intersect = function (b, mtv) {\n        if (!b) {\n            return false;\n        }\n        if (!(b instanceof BoundingRect)) {\n            b = BoundingRect.create(b);\n        }\n        var a = this;\n        var ax0 = a.x;\n        var ax1 = a.x + a.width;\n        var ay0 = a.y;\n        var ay1 = a.y + a.height;\n        var bx0 = b.x;\n        var bx1 = b.x + b.width;\n        var by0 = b.y;\n        var by1 = b.y + b.height;\n        var overlap = !(ax1 < bx0 || bx1 < ax0 || ay1 < by0 || by1 < ay0);\n        if (mtv) {\n            var dMin = Infinity;\n            var dMax = 0;\n            var d0 = Math.abs(ax1 - bx0);\n            var d1 = Math.abs(bx1 - ax0);\n            var d2 = Math.abs(ay1 - by0);\n            var d3 = Math.abs(by1 - ay0);\n            var dx = Math.min(d0, d1);\n            var dy = Math.min(d2, d3);\n            if (ax1 < bx0 || bx1 < ax0) {\n                if (dx > dMax) {\n                    dMax = dx;\n                    if (d0 < d1) {\n                        Point.set(maxTv, -d0, 0);\n                    }\n                    else {\n                        Point.set(maxTv, d1, 0);\n                    }\n                }\n            }\n            else {\n                if (dx < dMin) {\n                    dMin = dx;\n                    if (d0 < d1) {\n                        Point.set(minTv, d0, 0);\n                    }\n                    else {\n                        Point.set(minTv, -d1, 0);\n                    }\n                }\n            }\n            if (ay1 < by0 || by1 < ay0) {\n                if (dy > dMax) {\n                    dMax = dy;\n                    if (d2 < d3) {\n                        Point.set(maxTv, 0, -d2);\n                    }\n                    else {\n                        Point.set(maxTv, 0, d3);\n                    }\n                }\n            }\n            else {\n                if (dx < dMin) {\n                    dMin = dx;\n                    if (d2 < d3) {\n                        Point.set(minTv, 0, d2);\n                    }\n                    else {\n                        Point.set(minTv, 0, -d3);\n                    }\n                }\n            }\n        }\n        if (mtv) {\n            Point.copy(mtv, overlap ? minTv : maxTv);\n        }\n        return overlap;\n    };\n    BoundingRect.prototype.contain = function (x, y) {\n        var rect = this;\n        return x >= rect.x\n            && x <= (rect.x + rect.width)\n            && y >= rect.y\n            && y <= (rect.y + rect.height);\n    };\n    BoundingRect.prototype.clone = function () {\n        return new BoundingRect(this.x, this.y, this.width, this.height);\n    };\n    BoundingRect.prototype.copy = function (other) {\n        BoundingRect.copy(this, other);\n    };\n    BoundingRect.prototype.plain = function () {\n        return {\n            x: this.x,\n            y: this.y,\n            width: this.width,\n            height: this.height\n        };\n    };\n    BoundingRect.prototype.isFinite = function () {\n        return isFinite(this.x)\n            && isFinite(this.y)\n            && isFinite(this.width)\n            && isFinite(this.height);\n    };\n    BoundingRect.prototype.isZero = function () {\n        return this.width === 0 || this.height === 0;\n    };\n    BoundingRect.create = function (rect) {\n        return new BoundingRect(rect.x, rect.y, rect.width, rect.height);\n    };\n    BoundingRect.copy = function (target, source) {\n        target.x = source.x;\n        target.y = source.y;\n        target.width = source.width;\n        target.height = source.height;\n    };\n    BoundingRect.applyTransform = function (target, source, m) {\n        if (!m) {\n            if (target !== source) {\n                BoundingRect.copy(target, source);\n            }\n            return;\n        }\n        if (m[1] < 1e-5 && m[1] > -1e-5 && m[2] < 1e-5 && m[2] > -1e-5) {\n            var sx = m[0];\n            var sy = m[3];\n            var tx = m[4];\n            var ty = m[5];\n            target.x = source.x * sx + tx;\n            target.y = source.y * sy + ty;\n            target.width = source.width * sx;\n            target.height = source.height * sy;\n            if (target.width < 0) {\n                target.x += target.width;\n                target.width = -target.width;\n            }\n            if (target.height < 0) {\n                target.y += target.height;\n                target.height = -target.height;\n            }\n            return;\n        }\n        lt.x = lb.x = source.x;\n        lt.y = rt.y = source.y;\n        rb.x = rt.x = source.x + source.width;\n        rb.y = lb.y = source.y + source.height;\n        lt.transform(m);\n        rt.transform(m);\n        rb.transform(m);\n        lb.transform(m);\n        target.x = mathMin(lt.x, rb.x, lb.x, rt.x);\n        target.y = mathMin(lt.y, rb.y, lb.y, rt.y);\n        var maxX = mathMax(lt.x, rb.x, lb.x, rt.x);\n        var maxY = mathMax(lt.y, rb.y, lb.y, rt.y);\n        target.width = maxX - target.x;\n        target.height = maxY - target.y;\n    };\n    return BoundingRect;\n}());\nexport default BoundingRect;\n","var requestAnimationFrame;\nrequestAnimationFrame = (typeof window !== 'undefined'\n    && ((window.requestAnimationFrame && window.requestAnimationFrame.bind(window))\n        || (window.msRequestAnimationFrame && window.msRequestAnimationFrame.bind(window))\n        || window.mozRequestAnimationFrame\n        || window.webkitRequestAnimationFrame)) || function (func) {\n    return setTimeout(func, 16);\n};\nexport default requestAnimationFrame;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { Text } from '../util/graphic';\nimport { deprecateLog } from '../util/log';\nexport function getTextRect(text, font, align, verticalAlign, padding, rich, truncate, lineHeight) {\n  deprecateLog('getTextRect is deprecated.');\n  var textEl = new Text({\n    style: {\n      text: text,\n      font: font,\n      align: align,\n      verticalAlign: verticalAlign,\n      padding: padding,\n      rich: rich,\n      overflow: truncate ? 'truncate' : null,\n      lineHeight: lineHeight\n    }\n  });\n  return textEl.getBoundingRect();\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { assert, isArray } from 'zrender/lib/core/util';\n;\n/**\n * @param {Object} define\n * @return See the return of `createTask`.\n */\n\nexport function createTask(define) {\n  return new Task(define);\n}\n\nvar Task =\n/** @class */\nfunction () {\n  function Task(define) {\n    define = define || {};\n    this._reset = define.reset;\n    this._plan = define.plan;\n    this._count = define.count;\n    this._onDirty = define.onDirty;\n    this._dirty = true;\n  }\n  /**\n   * @param step Specified step.\n   * @param skip Skip customer perform call.\n   * @param modBy Sampling window size.\n   * @param modDataCount Sampling count.\n   * @return whether unfinished.\n   */\n\n\n  Task.prototype.perform = function (performArgs) {\n    var upTask = this._upstream;\n    var skip = performArgs && performArgs.skip; // TODO some refactor.\n    // Pull data. Must pull data each time, because context.data\n    // may be updated by Series.setData.\n\n    if (this._dirty && upTask) {\n      var context = this.context;\n      context.data = context.outputData = upTask.context.outputData;\n    }\n\n    if (this.__pipeline) {\n      this.__pipeline.currentTask = this;\n    }\n\n    var planResult;\n\n    if (this._plan && !skip) {\n      planResult = this._plan(this.context);\n    } // Support sharding by mod, which changes the render sequence and makes the rendered graphic\n    // elements uniformed distributed when progress, especially when moving or zooming.\n\n\n    var lastModBy = normalizeModBy(this._modBy);\n    var lastModDataCount = this._modDataCount || 0;\n    var modBy = normalizeModBy(performArgs && performArgs.modBy);\n    var modDataCount = performArgs && performArgs.modDataCount || 0;\n\n    if (lastModBy !== modBy || lastModDataCount !== modDataCount) {\n      planResult = 'reset';\n    }\n\n    function normalizeModBy(val) {\n      !(val >= 1) && (val = 1); // jshint ignore:line\n\n      return val;\n    }\n\n    var forceFirstProgress;\n\n    if (this._dirty || planResult === 'reset') {\n      this._dirty = false;\n      forceFirstProgress = this._doReset(skip);\n    }\n\n    this._modBy = modBy;\n    this._modDataCount = modDataCount;\n    var step = performArgs && performArgs.step;\n\n    if (upTask) {\n      if (process.env.NODE_ENV !== 'production') {\n        assert(upTask._outputDueEnd != null);\n      }\n\n      this._dueEnd = upTask._outputDueEnd;\n    } // DataTask or overallTask\n    else {\n        if (process.env.NODE_ENV !== 'production') {\n          assert(!this._progress || this._count);\n        }\n\n        this._dueEnd = this._count ? this._count(this.context) : Infinity;\n      } // Note: Stubs, that its host overall task let it has progress, has progress.\n    // If no progress, pass index from upstream to downstream each time plan called.\n\n\n    if (this._progress) {\n      var start = this._dueIndex;\n      var end = Math.min(step != null ? this._dueIndex + step : Infinity, this._dueEnd);\n\n      if (!skip && (forceFirstProgress || start < end)) {\n        var progress = this._progress;\n\n        if (isArray(progress)) {\n          for (var i = 0; i < progress.length; i++) {\n            this._doProgress(progress[i], start, end, modBy, modDataCount);\n          }\n        } else {\n          this._doProgress(progress, start, end, modBy, modDataCount);\n        }\n      }\n\n      this._dueIndex = end; // If no `outputDueEnd`, assume that output data and\n      // input data is the same, so use `dueIndex` as `outputDueEnd`.\n\n      var outputDueEnd = this._settedOutputEnd != null ? this._settedOutputEnd : end;\n\n      if (process.env.NODE_ENV !== 'production') {\n        // ??? Can not rollback.\n        assert(outputDueEnd >= this._outputDueEnd);\n      }\n\n      this._outputDueEnd = outputDueEnd;\n    } else {\n      // (1) Some overall task has no progress.\n      // (2) Stubs, that its host overall task do not let it has progress, has no progress.\n      // This should always be performed so it can be passed to downstream.\n      this._dueIndex = this._outputDueEnd = this._settedOutputEnd != null ? this._settedOutputEnd : this._dueEnd;\n    }\n\n    return this.unfinished();\n  };\n\n  Task.prototype.dirty = function () {\n    this._dirty = true;\n    this._onDirty && this._onDirty(this.context);\n  };\n\n  Task.prototype._doProgress = function (progress, start, end, modBy, modDataCount) {\n    iterator.reset(start, end, modBy, modDataCount);\n    this._callingProgress = progress;\n\n    this._callingProgress({\n      start: start,\n      end: end,\n      count: end - start,\n      next: iterator.next\n    }, this.context);\n  };\n\n  Task.prototype._doReset = function (skip) {\n    this._dueIndex = this._outputDueEnd = this._dueEnd = 0;\n    this._settedOutputEnd = null;\n    var progress;\n    var forceFirstProgress;\n\n    if (!skip && this._reset) {\n      progress = this._reset(this.context);\n\n      if (progress && progress.progress) {\n        forceFirstProgress = progress.forceFirstProgress;\n        progress = progress.progress;\n      } // To simplify no progress checking, array must has item.\n\n\n      if (isArray(progress) && !progress.length) {\n        progress = null;\n      }\n    }\n\n    this._progress = progress;\n    this._modBy = this._modDataCount = null;\n    var downstream = this._downstream;\n    downstream && downstream.dirty();\n    return forceFirstProgress;\n  };\n\n  Task.prototype.unfinished = function () {\n    return this._progress && this._dueIndex < this._dueEnd;\n  };\n  /**\n   * @param downTask The downstream task.\n   * @return The downstream task.\n   */\n\n\n  Task.prototype.pipe = function (downTask) {\n    if (process.env.NODE_ENV !== 'production') {\n      assert(downTask && !downTask._disposed && downTask !== this);\n    } // If already downstream, do not dirty downTask.\n\n\n    if (this._downstream !== downTask || this._dirty) {\n      this._downstream = downTask;\n      downTask._upstream = this;\n      downTask.dirty();\n    }\n  };\n\n  Task.prototype.dispose = function () {\n    if (this._disposed) {\n      return;\n    }\n\n    this._upstream && (this._upstream._downstream = null);\n    this._downstream && (this._downstream._upstream = null);\n    this._dirty = false;\n    this._disposed = true;\n  };\n\n  Task.prototype.getUpstream = function () {\n    return this._upstream;\n  };\n\n  Task.prototype.getDownstream = function () {\n    return this._downstream;\n  };\n\n  Task.prototype.setOutputEnd = function (end) {\n    // This only happend in dataTask, dataZoom, map, currently.\n    // where dataZoom do not set end each time, but only set\n    // when reset. So we should record the setted end, in case\n    // that the stub of dataZoom perform again and earse the\n    // setted end by upstream.\n    this._outputDueEnd = this._settedOutputEnd = end;\n  };\n\n  return Task;\n}();\n\nexport { Task };\n\nvar iterator = function () {\n  var end;\n  var current;\n  var modBy;\n  var modDataCount;\n  var winCount;\n  var it = {\n    reset: function (s, e, sStep, sCount) {\n      current = s;\n      end = e;\n      modBy = sStep;\n      modDataCount = sCount;\n      winCount = Math.ceil(modDataCount / modBy);\n      it.next = modBy > 1 && modDataCount > 0 ? modNext : sequentialNext;\n    }\n  };\n  return it;\n\n  function sequentialNext() {\n    return current < end ? current++ : null;\n  }\n\n  function modNext() {\n    var dataIndex = current % winCount * modBy + Math.ceil(current / winCount);\n    var result = current >= end ? null : dataIndex < modDataCount ? dataIndex // If modDataCount is smaller than data.count() (consider `appendData` case),\n    // Use normal linear rendering mode.\n    : current;\n    current++;\n    return result;\n  }\n}(); ///////////////////////////////////////////////////////////\n// For stream debug (Should be commented out after used!)\n// @usage: printTask(this, 'begin');\n// @usage: printTask(this, null, {someExtraProp});\n// @usage: Use `__idxInPipeline` as conditional breakpiont.\n//\n// window.printTask = function (task: any, prefix: string, extra: { [key: string]: unknown }): void {\n//     window.ecTaskUID == null && (window.ecTaskUID = 0);\n//     task.uidDebug == null && (task.uidDebug = `task_${window.ecTaskUID++}`);\n//     task.agent && task.agent.uidDebug == null && (task.agent.uidDebug = `task_${window.ecTaskUID++}`);\n//     let props = [];\n//     if (task.__pipeline) {\n//         let val = `${task.__idxInPipeline}/${task.__pipeline.tail.__idxInPipeline} ${task.agent ? '(stub)' : ''}`;\n//         props.push({text: '__idxInPipeline/total', value: val});\n//     } else {\n//         let stubCount = 0;\n//         task.agentStubMap.each(() => stubCount++);\n//         props.push({text: 'idx', value: `overall (stubs: ${stubCount})`});\n//     }\n//     props.push({text: 'uid', value: task.uidDebug});\n//     if (task.__pipeline) {\n//         props.push({text: 'pipelineId', value: task.__pipeline.id});\n//         task.agent && props.push(\n//             {text: 'stubFor', value: task.agent.uidDebug}\n//         );\n//     }\n//     props.push(\n//         {text: 'dirty', value: task._dirty},\n//         {text: 'dueIndex', value: task._dueIndex},\n//         {text: 'dueEnd', value: task._dueEnd},\n//         {text: 'outputDueEnd', value: task._outputDueEnd}\n//     );\n//     if (extra) {\n//         Object.keys(extra).forEach(key => {\n//             props.push({text: key, value: extra[key]});\n//         });\n//     }\n//     let args = ['color: blue'];\n//     let msg = `%c[${prefix || 'T'}] %c` + props.map(item => (\n//         args.push('color: green', 'color: red'),\n//         `${item.text}: %c${item.value}`\n//     )).join('%c, ');\n//     console.log.apply(console, [msg].concat(args));\n//     // console.log(this);\n// };\n// window.printPipeline = function (task: any, prefix: string) {\n//     const pipeline = task.__pipeline;\n//     let currTask = pipeline.head;\n//     while (currTask) {\n//         window.printTask(currTask, prefix);\n//         currTask = currTask._downstream;\n//     }\n// };\n// window.showChain = function (chainHeadTask) {\n//     var chain = [];\n//     var task = chainHeadTask;\n//     while (task) {\n//         chain.push({\n//             task: task,\n//             up: task._upstream,\n//             down: task._downstream,\n//             idxInPipeline: task.__idxInPipeline\n//         });\n//         task = task._downstream;\n//     }\n//     return chain;\n// };\n// window.findTaskInChain = function (task, chainHeadTask) {\n//     let chain = window.showChain(chainHeadTask);\n//     let result = [];\n//     for (let i = 0; i < chain.length; i++) {\n//         let chainItem = chain[i];\n//         if (chainItem.task === task) {\n//             result.push(i);\n//         }\n//     }\n//     return result;\n// };\n// window.printChainAEachInChainB = function (chainHeadTaskA, chainHeadTaskB) {\n//     let chainA = window.showChain(chainHeadTaskA);\n//     for (let i = 0; i < chainA.length; i++) {\n//         console.log('chainAIdx:', i, 'inChainB:', window.findTaskInChain(chainA[i].task, chainHeadTaskB));\n//     }\n// };","var round = Math.round;\nexport function subPixelOptimizeLine(outputShape, inputShape, style) {\n    if (!inputShape) {\n        return;\n    }\n    var x1 = inputShape.x1;\n    var x2 = inputShape.x2;\n    var y1 = inputShape.y1;\n    var y2 = inputShape.y2;\n    outputShape.x1 = x1;\n    outputShape.x2 = x2;\n    outputShape.y1 = y1;\n    outputShape.y2 = y2;\n    var lineWidth = style && style.lineWidth;\n    if (!lineWidth) {\n        return outputShape;\n    }\n    if (round(x1 * 2) === round(x2 * 2)) {\n        outputShape.x1 = outputShape.x2 = subPixelOptimize(x1, lineWidth, true);\n    }\n    if (round(y1 * 2) === round(y2 * 2)) {\n        outputShape.y1 = outputShape.y2 = subPixelOptimize(y1, lineWidth, true);\n    }\n    return outputShape;\n}\nexport function subPixelOptimizeRect(outputShape, inputShape, style) {\n    if (!inputShape) {\n        return;\n    }\n    var originX = inputShape.x;\n    var originY = inputShape.y;\n    var originWidth = inputShape.width;\n    var originHeight = inputShape.height;\n    outputShape.x = originX;\n    outputShape.y = originY;\n    outputShape.width = originWidth;\n    outputShape.height = originHeight;\n    var lineWidth = style && style.lineWidth;\n    if (!lineWidth) {\n        return outputShape;\n    }\n    outputShape.x = subPixelOptimize(originX, lineWidth, true);\n    outputShape.y = subPixelOptimize(originY, lineWidth, true);\n    outputShape.width = Math.max(subPixelOptimize(originX + originWidth, lineWidth, false) - outputShape.x, originWidth === 0 ? 0 : 1);\n    outputShape.height = Math.max(subPixelOptimize(originY + originHeight, lineWidth, false) - outputShape.y, originHeight === 0 ? 0 : 1);\n    return outputShape;\n}\nexport function subPixelOptimize(position, lineWidth, positiveOrNegative) {\n    if (!lineWidth) {\n        return position;\n    }\n    var doubledPosition = round(position * 2);\n    return (doubledPosition + round(lineWidth)) % 2 === 0\n        ? doubledPosition / 2\n        : (doubledPosition + (positiveOrNegative ? 1 : -1)) / 2;\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/* global Float32Array */\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { parsePercent } from '../util/number';\nimport { isDimensionStacked } from '../data/helper/dataStackHelper';\nimport createRenderPlanner from '../chart/helper/createRenderPlanner';\nvar STACK_PREFIX = '__ec_stack_';\nvar LARGE_BAR_MIN_WIDTH = 0.5;\nvar LargeArr = typeof Float32Array !== 'undefined' ? Float32Array : Array;\n\nfunction getSeriesStackId(seriesModel) {\n  return seriesModel.get('stack') || STACK_PREFIX + seriesModel.seriesIndex;\n}\n\nfunction getAxisKey(axis) {\n  return axis.dim + axis.index;\n}\n/**\n * @return {Object} {width, offset, offsetCenter} If axis.type is not 'category', return undefined.\n */\n\n\nexport function getLayoutOnAxis(opt) {\n  var params = [];\n  var baseAxis = opt.axis;\n  var axisKey = 'axis0';\n\n  if (baseAxis.type !== 'category') {\n    return;\n  }\n\n  var bandWidth = baseAxis.getBandWidth();\n\n  for (var i = 0; i < opt.count || 0; i++) {\n    params.push(zrUtil.defaults({\n      bandWidth: bandWidth,\n      axisKey: axisKey,\n      stackId: STACK_PREFIX + i\n    }, opt));\n  }\n\n  var widthAndOffsets = doCalBarWidthAndOffset(params);\n  var result = [];\n\n  for (var i = 0; i < opt.count; i++) {\n    var item = widthAndOffsets[axisKey][STACK_PREFIX + i];\n    item.offsetCenter = item.offset + item.width / 2;\n    result.push(item);\n  }\n\n  return result;\n}\nexport function prepareLayoutBarSeries(seriesType, ecModel) {\n  var seriesModels = [];\n  ecModel.eachSeriesByType(seriesType, function (seriesModel) {\n    // Check series coordinate, do layout for cartesian2d only\n    if (isOnCartesian(seriesModel) && !isInLargeMode(seriesModel)) {\n      seriesModels.push(seriesModel);\n    }\n  });\n  return seriesModels;\n}\n/**\n * Map from (baseAxis.dim + '_' + baseAxis.index) to min gap of two adjacent\n * values.\n * This works for time axes, value axes, and log axes.\n * For a single time axis, return value is in the form like\n * {'x_0': [1000000]}.\n * The value of 1000000 is in milliseconds.\n */\n\nfunction getValueAxesMinGaps(barSeries) {\n  /**\n   * Map from axis.index to values.\n   * For a single time axis, axisValues is in the form like\n   * {'x_0': [1495555200000, 1495641600000, 1495728000000]}.\n   * Items in axisValues[x], e.g. 1495555200000, are time values of all\n   * series.\n   */\n  var axisValues = {};\n  zrUtil.each(barSeries, function (seriesModel) {\n    var cartesian = seriesModel.coordinateSystem;\n    var baseAxis = cartesian.getBaseAxis();\n\n    if (baseAxis.type !== 'time' && baseAxis.type !== 'value') {\n      return;\n    }\n\n    var data = seriesModel.getData();\n    var key = baseAxis.dim + '_' + baseAxis.index;\n    var dim = data.mapDimension(baseAxis.dim);\n\n    for (var i = 0, cnt = data.count(); i < cnt; ++i) {\n      var value = data.get(dim, i);\n\n      if (!axisValues[key]) {\n        // No previous data for the axis\n        axisValues[key] = [value];\n      } else {\n        // No value in previous series\n        axisValues[key].push(value);\n      } // Ignore duplicated time values in the same axis\n\n    }\n  });\n  var axisMinGaps = {};\n\n  for (var key in axisValues) {\n    if (axisValues.hasOwnProperty(key)) {\n      var valuesInAxis = axisValues[key];\n\n      if (valuesInAxis) {\n        // Sort axis values into ascending order to calculate gaps\n        valuesInAxis.sort(function (a, b) {\n          return a - b;\n        });\n        var min = null;\n\n        for (var j = 1; j < valuesInAxis.length; ++j) {\n          var delta = valuesInAxis[j] - valuesInAxis[j - 1];\n\n          if (delta > 0) {\n            // Ignore 0 delta because they are of the same axis value\n            min = min === null ? delta : Math.min(min, delta);\n          }\n        } // Set to null if only have one data\n\n\n        axisMinGaps[key] = min;\n      }\n    }\n  }\n\n  return axisMinGaps;\n}\n\nexport function makeColumnLayout(barSeries) {\n  var axisMinGaps = getValueAxesMinGaps(barSeries);\n  var seriesInfoList = [];\n  zrUtil.each(barSeries, function (seriesModel) {\n    var cartesian = seriesModel.coordinateSystem;\n    var baseAxis = cartesian.getBaseAxis();\n    var axisExtent = baseAxis.getExtent();\n    var bandWidth;\n\n    if (baseAxis.type === 'category') {\n      bandWidth = baseAxis.getBandWidth();\n    } else if (baseAxis.type === 'value' || baseAxis.type === 'time') {\n      var key = baseAxis.dim + '_' + baseAxis.index;\n      var minGap = axisMinGaps[key];\n      var extentSpan = Math.abs(axisExtent[1] - axisExtent[0]);\n      var scale = baseAxis.scale.getExtent();\n      var scaleSpan = Math.abs(scale[1] - scale[0]);\n      bandWidth = minGap ? extentSpan / scaleSpan * minGap : extentSpan; // When there is only one data value\n    } else {\n      var data = seriesModel.getData();\n      bandWidth = Math.abs(axisExtent[1] - axisExtent[0]) / data.count();\n    }\n\n    var barWidth = parsePercent(seriesModel.get('barWidth'), bandWidth);\n    var barMaxWidth = parsePercent(seriesModel.get('barMaxWidth'), bandWidth);\n    var barMinWidth = parsePercent( // barMinWidth by default is 1 in cartesian. Because in value axis,\n    // the auto-calculated bar width might be less than 1.\n    seriesModel.get('barMinWidth') || 1, bandWidth);\n    var barGap = seriesModel.get('barGap');\n    var barCategoryGap = seriesModel.get('barCategoryGap');\n    seriesInfoList.push({\n      bandWidth: bandWidth,\n      barWidth: barWidth,\n      barMaxWidth: barMaxWidth,\n      barMinWidth: barMinWidth,\n      barGap: barGap,\n      barCategoryGap: barCategoryGap,\n      axisKey: getAxisKey(baseAxis),\n      stackId: getSeriesStackId(seriesModel)\n    });\n  });\n  return doCalBarWidthAndOffset(seriesInfoList);\n}\n\nfunction doCalBarWidthAndOffset(seriesInfoList) {\n  // Columns info on each category axis. Key is cartesian name\n  var columnsMap = {};\n  zrUtil.each(seriesInfoList, function (seriesInfo, idx) {\n    var axisKey = seriesInfo.axisKey;\n    var bandWidth = seriesInfo.bandWidth;\n    var columnsOnAxis = columnsMap[axisKey] || {\n      bandWidth: bandWidth,\n      remainedWidth: bandWidth,\n      autoWidthCount: 0,\n      categoryGap: null,\n      gap: '20%',\n      stacks: {}\n    };\n    var stacks = columnsOnAxis.stacks;\n    columnsMap[axisKey] = columnsOnAxis;\n    var stackId = seriesInfo.stackId;\n\n    if (!stacks[stackId]) {\n      columnsOnAxis.autoWidthCount++;\n    }\n\n    stacks[stackId] = stacks[stackId] || {\n      width: 0,\n      maxWidth: 0\n    }; // Caution: In a single coordinate system, these barGrid attributes\n    // will be shared by series. Consider that they have default values,\n    // only the attributes set on the last series will work.\n    // Do not change this fact unless there will be a break change.\n\n    var barWidth = seriesInfo.barWidth;\n\n    if (barWidth && !stacks[stackId].width) {\n      // See #6312, do not restrict width.\n      stacks[stackId].width = barWidth;\n      barWidth = Math.min(columnsOnAxis.remainedWidth, barWidth);\n      columnsOnAxis.remainedWidth -= barWidth;\n    }\n\n    var barMaxWidth = seriesInfo.barMaxWidth;\n    barMaxWidth && (stacks[stackId].maxWidth = barMaxWidth);\n    var barMinWidth = seriesInfo.barMinWidth;\n    barMinWidth && (stacks[stackId].minWidth = barMinWidth);\n    var barGap = seriesInfo.barGap;\n    barGap != null && (columnsOnAxis.gap = barGap);\n    var barCategoryGap = seriesInfo.barCategoryGap;\n    barCategoryGap != null && (columnsOnAxis.categoryGap = barCategoryGap);\n  });\n  var result = {};\n  zrUtil.each(columnsMap, function (columnsOnAxis, coordSysName) {\n    result[coordSysName] = {};\n    var stacks = columnsOnAxis.stacks;\n    var bandWidth = columnsOnAxis.bandWidth;\n    var categoryGapPercent = columnsOnAxis.categoryGap;\n\n    if (categoryGapPercent == null) {\n      var columnCount = zrUtil.keys(stacks).length; // More columns in one group\n      // the spaces between group is smaller. Or the column will be too thin.\n\n      categoryGapPercent = Math.max(35 - columnCount * 4, 15) + '%';\n    }\n\n    var categoryGap = parsePercent(categoryGapPercent, bandWidth);\n    var barGapPercent = parsePercent(columnsOnAxis.gap, 1);\n    var remainedWidth = columnsOnAxis.remainedWidth;\n    var autoWidthCount = columnsOnAxis.autoWidthCount;\n    var autoWidth = (remainedWidth - categoryGap) / (autoWidthCount + (autoWidthCount - 1) * barGapPercent);\n    autoWidth = Math.max(autoWidth, 0); // Find if any auto calculated bar exceeded maxBarWidth\n\n    zrUtil.each(stacks, function (column) {\n      var maxWidth = column.maxWidth;\n      var minWidth = column.minWidth;\n\n      if (!column.width) {\n        var finalWidth = autoWidth;\n\n        if (maxWidth && maxWidth < finalWidth) {\n          finalWidth = Math.min(maxWidth, remainedWidth);\n        } // `minWidth` has higher priority. `minWidth` decide that wheter the\n        // bar is able to be visible. So `minWidth` should not be restricted\n        // by `maxWidth` or `remainedWidth` (which is from `bandWidth`). In\n        // the extreme cases for `value` axis, bars are allowed to overlap\n        // with each other if `minWidth` specified.\n\n\n        if (minWidth && minWidth > finalWidth) {\n          finalWidth = minWidth;\n        }\n\n        if (finalWidth !== autoWidth) {\n          column.width = finalWidth;\n          remainedWidth -= finalWidth + barGapPercent * finalWidth;\n          autoWidthCount--;\n        }\n      } else {\n        // `barMinWidth/barMaxWidth` has higher priority than `barWidth`, as\n        // CSS does. Becuase barWidth can be a percent value, where\n        // `barMaxWidth` can be used to restrict the final width.\n        var finalWidth = column.width;\n\n        if (maxWidth) {\n          finalWidth = Math.min(finalWidth, maxWidth);\n        } // `minWidth` has higher priority, as described above\n\n\n        if (minWidth) {\n          finalWidth = Math.max(finalWidth, minWidth);\n        }\n\n        column.width = finalWidth;\n        remainedWidth -= finalWidth + barGapPercent * finalWidth;\n        autoWidthCount--;\n      }\n    }); // Recalculate width again\n\n    autoWidth = (remainedWidth - categoryGap) / (autoWidthCount + (autoWidthCount - 1) * barGapPercent);\n    autoWidth = Math.max(autoWidth, 0);\n    var widthSum = 0;\n    var lastColumn;\n    zrUtil.each(stacks, function (column, idx) {\n      if (!column.width) {\n        column.width = autoWidth;\n      }\n\n      lastColumn = column;\n      widthSum += column.width * (1 + barGapPercent);\n    });\n\n    if (lastColumn) {\n      widthSum -= lastColumn.width * barGapPercent;\n    }\n\n    var offset = -widthSum / 2;\n    zrUtil.each(stacks, function (column, stackId) {\n      result[coordSysName][stackId] = result[coordSysName][stackId] || {\n        bandWidth: bandWidth,\n        offset: offset,\n        width: column.width\n      };\n      offset += column.width * (1 + barGapPercent);\n    });\n  });\n  return result;\n}\n\nfunction retrieveColumnLayout(barWidthAndOffset, axis, seriesModel) {\n  if (barWidthAndOffset && axis) {\n    var result = barWidthAndOffset[getAxisKey(axis)];\n\n    if (result != null && seriesModel != null) {\n      return result[getSeriesStackId(seriesModel)];\n    }\n\n    return result;\n  }\n}\n\nexport { retrieveColumnLayout };\nexport function layout(seriesType, ecModel) {\n  var seriesModels = prepareLayoutBarSeries(seriesType, ecModel);\n  var barWidthAndOffset = makeColumnLayout(seriesModels);\n  var lastStackCoords = {};\n  zrUtil.each(seriesModels, function (seriesModel) {\n    var data = seriesModel.getData();\n    var cartesian = seriesModel.coordinateSystem;\n    var baseAxis = cartesian.getBaseAxis();\n    var stackId = getSeriesStackId(seriesModel);\n    var columnLayoutInfo = barWidthAndOffset[getAxisKey(baseAxis)][stackId];\n    var columnOffset = columnLayoutInfo.offset;\n    var columnWidth = columnLayoutInfo.width;\n    var valueAxis = cartesian.getOtherAxis(baseAxis);\n    var barMinHeight = seriesModel.get('barMinHeight') || 0;\n    lastStackCoords[stackId] = lastStackCoords[stackId] || [];\n    data.setLayout({\n      bandWidth: columnLayoutInfo.bandWidth,\n      offset: columnOffset,\n      size: columnWidth\n    });\n    var valueDim = data.mapDimension(valueAxis.dim);\n    var baseDim = data.mapDimension(baseAxis.dim);\n    var stacked = isDimensionStacked(data, valueDim\n    /*, baseDim*/\n    );\n    var isValueAxisH = valueAxis.isHorizontal();\n    var valueAxisStart = getValueAxisStart(baseAxis, valueAxis, stacked);\n\n    for (var idx = 0, len = data.count(); idx < len; idx++) {\n      var value = data.get(valueDim, idx);\n      var baseValue = data.get(baseDim, idx);\n      var sign = value >= 0 ? 'p' : 'n';\n      var baseCoord = valueAxisStart; // Because of the barMinHeight, we can not use the value in\n      // stackResultDimension directly.\n\n      if (stacked) {\n        // Only ordinal axis can be stacked.\n        if (!lastStackCoords[stackId][baseValue]) {\n          lastStackCoords[stackId][baseValue] = {\n            p: valueAxisStart,\n            n: valueAxisStart // Negative stack\n\n          };\n        } // Should also consider #4243\n\n\n        baseCoord = lastStackCoords[stackId][baseValue][sign];\n      }\n\n      var x = void 0;\n      var y = void 0;\n      var width = void 0;\n      var height = void 0;\n\n      if (isValueAxisH) {\n        var coord = cartesian.dataToPoint([value, baseValue]);\n        x = baseCoord;\n        y = coord[1] + columnOffset;\n        width = coord[0] - valueAxisStart;\n        height = columnWidth;\n\n        if (Math.abs(width) < barMinHeight) {\n          width = (width < 0 ? -1 : 1) * barMinHeight;\n        } // Ignore stack from NaN value\n\n\n        if (!isNaN(width)) {\n          stacked && (lastStackCoords[stackId][baseValue][sign] += width);\n        }\n      } else {\n        var coord = cartesian.dataToPoint([baseValue, value]);\n        x = coord[0] + columnOffset;\n        y = baseCoord;\n        width = columnWidth;\n        height = coord[1] - valueAxisStart;\n\n        if (Math.abs(height) < barMinHeight) {\n          // Include zero to has a positive bar\n          height = (height <= 0 ? -1 : 1) * barMinHeight;\n        } // Ignore stack from NaN value\n\n\n        if (!isNaN(height)) {\n          stacked && (lastStackCoords[stackId][baseValue][sign] += height);\n        }\n      }\n\n      data.setItemLayout(idx, {\n        x: x,\n        y: y,\n        width: width,\n        height: height\n      });\n    }\n  });\n} // TODO: Do not support stack in large mode yet.\n\nexport var largeLayout = {\n  seriesType: 'bar',\n  plan: createRenderPlanner(),\n  reset: function (seriesModel) {\n    if (!isOnCartesian(seriesModel) || !isInLargeMode(seriesModel)) {\n      return;\n    }\n\n    var data = seriesModel.getData();\n    var cartesian = seriesModel.coordinateSystem;\n    var coordLayout = cartesian.master.getRect();\n    var baseAxis = cartesian.getBaseAxis();\n    var valueAxis = cartesian.getOtherAxis(baseAxis);\n    var valueDim = data.mapDimension(valueAxis.dim);\n    var baseDim = data.mapDimension(baseAxis.dim);\n    var valueAxisHorizontal = valueAxis.isHorizontal();\n    var valueDimIdx = valueAxisHorizontal ? 0 : 1;\n    var barWidth = retrieveColumnLayout(makeColumnLayout([seriesModel]), baseAxis, seriesModel).width;\n\n    if (!(barWidth > LARGE_BAR_MIN_WIDTH)) {\n      // jshint ignore:line\n      barWidth = LARGE_BAR_MIN_WIDTH;\n    }\n\n    return {\n      progress: function (params, data) {\n        var count = params.count;\n        var largePoints = new LargeArr(count * 2);\n        var largeBackgroundPoints = new LargeArr(count * 2);\n        var largeDataIndices = new LargeArr(count);\n        var dataIndex;\n        var coord = [];\n        var valuePair = [];\n        var pointsOffset = 0;\n        var idxOffset = 0;\n\n        while ((dataIndex = params.next()) != null) {\n          valuePair[valueDimIdx] = data.get(valueDim, dataIndex);\n          valuePair[1 - valueDimIdx] = data.get(baseDim, dataIndex);\n          coord = cartesian.dataToPoint(valuePair, null, coord); // Data index might not be in order, depends on `progressiveChunkMode`.\n\n          largeBackgroundPoints[pointsOffset] = valueAxisHorizontal ? coordLayout.x + coordLayout.width : coord[0];\n          largePoints[pointsOffset++] = coord[0];\n          largeBackgroundPoints[pointsOffset] = valueAxisHorizontal ? coord[1] : coordLayout.y + coordLayout.height;\n          largePoints[pointsOffset++] = coord[1];\n          largeDataIndices[idxOffset++] = dataIndex;\n        }\n\n        data.setLayout({\n          largePoints: largePoints,\n          largeDataIndices: largeDataIndices,\n          largeBackgroundPoints: largeBackgroundPoints,\n          barWidth: barWidth,\n          valueAxisStart: getValueAxisStart(baseAxis, valueAxis, false),\n          backgroundStart: valueAxisHorizontal ? coordLayout.x : coordLayout.y,\n          valueAxisHorizontal: valueAxisHorizontal\n        });\n      }\n    };\n  }\n};\n\nfunction isOnCartesian(seriesModel) {\n  return seriesModel.coordinateSystem && seriesModel.coordinateSystem.type === 'cartesian2d';\n}\n\nfunction isInLargeMode(seriesModel) {\n  return seriesModel.pipelineContext && seriesModel.pipelineContext.large;\n} // See cases in `test/bar-start.html` and `#7412`, `#8747`.\n\n\nfunction getValueAxisStart(baseAxis, valueAxis, stacked) {\n  return valueAxis.toGlobalCoord(valueAxis.dataToCoord(valueAxis.type === 'log' ? 1 : 0));\n}","import { Operator } from '../Operator';\nimport { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\n\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\n\nimport { MonoTypeOperatorFunction, TeardownLogic } from '../types';\n\n/**\n * Emits the values emitted by the source Observable until a `notifier`\n * Observable emits a value.\n *\n * <span class=\"informal\">Lets values pass until a second Observable,\n * `notifier`, emits a value. Then, it completes.</span>\n *\n * ![](takeUntil.png)\n *\n * `takeUntil` subscribes and begins mirroring the source Observable. It also\n * monitors a second Observable, `notifier` that you provide. If the `notifier`\n * emits a value, the output Observable stops mirroring the source Observable\n * and completes. If the `notifier` doesn't emit any value and completes\n * then `takeUntil` will pass all values.\n *\n * ## Example\n * Tick every second until the first click happens\n * ```ts\n * import { fromEvent, interval } from 'rxjs';\n * import { takeUntil } from 'rxjs/operators';\n *\n * const source = interval(1000);\n * const clicks = fromEvent(document, 'click');\n * const result = source.pipe(takeUntil(clicks));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link take}\n * @see {@link takeLast}\n * @see {@link takeWhile}\n * @see {@link skip}\n *\n * @param {Observable} notifier The Observable whose first emitted value will\n * cause the output Observable of `takeUntil` to stop emitting values from the\n * source Observable.\n * @return {Observable<T>} An Observable that emits the values from the source\n * Observable until such time as `notifier` emits its first value.\n * @method takeUntil\n * @owner Observable\n */\nexport function takeUntil<T>(notifier: Observable<any>): MonoTypeOperatorFunction<T> {\n  return (source: Observable<T>) => source.lift(new TakeUntilOperator(notifier));\n}\n\nclass TakeUntilOperator<T> implements Operator<T, T> {\n  constructor(private notifier: Observable<any>) {\n  }\n\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    const takeUntilSubscriber = new TakeUntilSubscriber(subscriber);\n    const notifierSubscription = subscribeToResult(takeUntilSubscriber, this.notifier);\n    if (notifierSubscription && !takeUntilSubscriber.seenValue) {\n      takeUntilSubscriber.add(notifierSubscription);\n      return source.subscribe(takeUntilSubscriber);\n    }\n    return takeUntilSubscriber;\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass TakeUntilSubscriber<T, R> extends OuterSubscriber<T, R> {\n  seenValue = false;\n\n  constructor(destination: Subscriber<any>, ) {\n    super(destination);\n  }\n\n  notifyNext(outerValue: T, innerValue: R,\n             outerIndex: number, innerIndex: number,\n             innerSub: InnerSubscriber<T, R>): void {\n    this.seenValue = true;\n    this.complete();\n  }\n\n  notifyComplete(): void {\n    // noop\n  }\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// Symbol factory\nimport * as zrUtil from 'zrender/lib/core/util';\nimport * as graphic from './graphic';\nimport BoundingRect from 'zrender/lib/core/BoundingRect';\nimport { calculateTextPosition } from 'zrender/lib/contain/text';\n/**\n * Triangle shape\n * @inner\n */\n\nvar Triangle = graphic.Path.extend({\n  type: 'triangle',\n  shape: {\n    cx: 0,\n    cy: 0,\n    width: 0,\n    height: 0\n  },\n  buildPath: function (path, shape) {\n    var cx = shape.cx;\n    var cy = shape.cy;\n    var width = shape.width / 2;\n    var height = shape.height / 2;\n    path.moveTo(cx, cy - height);\n    path.lineTo(cx + width, cy + height);\n    path.lineTo(cx - width, cy + height);\n    path.closePath();\n  }\n});\n/**\n * Diamond shape\n * @inner\n */\n\nvar Diamond = graphic.Path.extend({\n  type: 'diamond',\n  shape: {\n    cx: 0,\n    cy: 0,\n    width: 0,\n    height: 0\n  },\n  buildPath: function (path, shape) {\n    var cx = shape.cx;\n    var cy = shape.cy;\n    var width = shape.width / 2;\n    var height = shape.height / 2;\n    path.moveTo(cx, cy - height);\n    path.lineTo(cx + width, cy);\n    path.lineTo(cx, cy + height);\n    path.lineTo(cx - width, cy);\n    path.closePath();\n  }\n});\n/**\n * Pin shape\n * @inner\n */\n\nvar Pin = graphic.Path.extend({\n  type: 'pin',\n  shape: {\n    // x, y on the cusp\n    x: 0,\n    y: 0,\n    width: 0,\n    height: 0\n  },\n  buildPath: function (path, shape) {\n    var x = shape.x;\n    var y = shape.y;\n    var w = shape.width / 5 * 3; // Height must be larger than width\n\n    var h = Math.max(w, shape.height);\n    var r = w / 2; // Dist on y with tangent point and circle center\n\n    var dy = r * r / (h - r);\n    var cy = y - h + r + dy;\n    var angle = Math.asin(dy / r); // Dist on x with tangent point and circle center\n\n    var dx = Math.cos(angle) * r;\n    var tanX = Math.sin(angle);\n    var tanY = Math.cos(angle);\n    var cpLen = r * 0.6;\n    var cpLen2 = r * 0.7;\n    path.moveTo(x - dx, cy + dy);\n    path.arc(x, cy, r, Math.PI - angle, Math.PI * 2 + angle);\n    path.bezierCurveTo(x + dx - tanX * cpLen, cy + dy + tanY * cpLen, x, y - cpLen2, x, y);\n    path.bezierCurveTo(x, y - cpLen2, x - dx + tanX * cpLen, cy + dy + tanY * cpLen, x - dx, cy + dy);\n    path.closePath();\n  }\n});\n/**\n * Arrow shape\n * @inner\n */\n\nvar Arrow = graphic.Path.extend({\n  type: 'arrow',\n  shape: {\n    x: 0,\n    y: 0,\n    width: 0,\n    height: 0\n  },\n  buildPath: function (ctx, shape) {\n    var height = shape.height;\n    var width = shape.width;\n    var x = shape.x;\n    var y = shape.y;\n    var dx = width / 3 * 2;\n    ctx.moveTo(x, y);\n    ctx.lineTo(x + dx, y + height);\n    ctx.lineTo(x, y + height / 4 * 3);\n    ctx.lineTo(x - dx, y + height);\n    ctx.lineTo(x, y);\n    ctx.closePath();\n  }\n});\n/**\n * Map of path contructors\n */\n// TODO Use function to build symbol path.\n\nvar symbolCtors = {\n  line: graphic.Line,\n  rect: graphic.Rect,\n  roundRect: graphic.Rect,\n  square: graphic.Rect,\n  circle: graphic.Circle,\n  diamond: Diamond,\n  pin: Pin,\n  arrow: Arrow,\n  triangle: Triangle\n};\nvar symbolShapeMakers = {\n  line: function (x, y, w, h, shape) {\n    shape.x1 = x;\n    shape.y1 = y + h / 2;\n    shape.x2 = x + w;\n    shape.y2 = y + h / 2;\n  },\n  rect: function (x, y, w, h, shape) {\n    shape.x = x;\n    shape.y = y;\n    shape.width = w;\n    shape.height = h;\n  },\n  roundRect: function (x, y, w, h, shape) {\n    shape.x = x;\n    shape.y = y;\n    shape.width = w;\n    shape.height = h;\n    shape.r = Math.min(w, h) / 4;\n  },\n  square: function (x, y, w, h, shape) {\n    var size = Math.min(w, h);\n    shape.x = x;\n    shape.y = y;\n    shape.width = size;\n    shape.height = size;\n  },\n  circle: function (x, y, w, h, shape) {\n    // Put circle in the center of square\n    shape.cx = x + w / 2;\n    shape.cy = y + h / 2;\n    shape.r = Math.min(w, h) / 2;\n  },\n  diamond: function (x, y, w, h, shape) {\n    shape.cx = x + w / 2;\n    shape.cy = y + h / 2;\n    shape.width = w;\n    shape.height = h;\n  },\n  pin: function (x, y, w, h, shape) {\n    shape.x = x + w / 2;\n    shape.y = y + h / 2;\n    shape.width = w;\n    shape.height = h;\n  },\n  arrow: function (x, y, w, h, shape) {\n    shape.x = x + w / 2;\n    shape.y = y + h / 2;\n    shape.width = w;\n    shape.height = h;\n  },\n  triangle: function (x, y, w, h, shape) {\n    shape.cx = x + w / 2;\n    shape.cy = y + h / 2;\n    shape.width = w;\n    shape.height = h;\n  }\n};\nexport var symbolBuildProxies = {};\nzrUtil.each(symbolCtors, function (Ctor, name) {\n  symbolBuildProxies[name] = new Ctor();\n});\nvar SymbolClz = graphic.Path.extend({\n  type: 'symbol',\n  shape: {\n    symbolType: '',\n    x: 0,\n    y: 0,\n    width: 0,\n    height: 0\n  },\n  calculateTextPosition: function (out, config, rect) {\n    var res = calculateTextPosition(out, config, rect);\n    var shape = this.shape;\n\n    if (shape && shape.symbolType === 'pin' && config.position === 'inside') {\n      res.y = rect.y + rect.height * 0.4;\n    }\n\n    return res;\n  },\n  buildPath: function (ctx, shape, inBundle) {\n    var symbolType = shape.symbolType;\n\n    if (symbolType !== 'none') {\n      var proxySymbol = symbolBuildProxies[symbolType];\n\n      if (!proxySymbol) {\n        // Default rect\n        symbolType = 'rect';\n        proxySymbol = symbolBuildProxies[symbolType];\n      }\n\n      symbolShapeMakers[symbolType](shape.x, shape.y, shape.width, shape.height, proxySymbol.shape);\n      proxySymbol.buildPath(ctx, proxySymbol.shape, inBundle);\n    }\n  }\n}); // Provide setColor helper method to avoid determine if set the fill or stroke outside\n\nfunction symbolPathSetColor(color, innerColor) {\n  if (this.type !== 'image') {\n    var symbolStyle = this.style;\n\n    if (this.__isEmptyBrush) {\n      symbolStyle.stroke = color;\n      symbolStyle.fill = innerColor || '#fff'; // TODO Same width with lineStyle in LineView\n\n      symbolStyle.lineWidth = 2;\n    } else if (this.shape.symbolType === 'line') {\n      symbolStyle.stroke = color;\n    } else {\n      symbolStyle.fill = color;\n    }\n\n    this.markRedraw();\n  }\n}\n/**\n * Create a symbol element with given symbol configuration: shape, x, y, width, height, color\n */\n\n\nexport function createSymbol(symbolType, x, y, w, h, color, // whether to keep the ratio of w/h,\nkeepAspect) {\n  // TODO Support image object, DynamicImage.\n  var isEmpty = symbolType.indexOf('empty') === 0;\n\n  if (isEmpty) {\n    symbolType = symbolType.substr(5, 1).toLowerCase() + symbolType.substr(6);\n  }\n\n  var symbolPath;\n\n  if (symbolType.indexOf('image://') === 0) {\n    symbolPath = graphic.makeImage(symbolType.slice(8), new BoundingRect(x, y, w, h), keepAspect ? 'center' : 'cover');\n  } else if (symbolType.indexOf('path://') === 0) {\n    symbolPath = graphic.makePath(symbolType.slice(7), {}, new BoundingRect(x, y, w, h), keepAspect ? 'center' : 'cover');\n  } else {\n    symbolPath = new SymbolClz({\n      shape: {\n        symbolType: symbolType,\n        x: x,\n        y: y,\n        width: w,\n        height: h\n      }\n    });\n  }\n\n  symbolPath.__isEmptyBrush = isEmpty; // TODO Should deprecate setColor\n\n  symbolPath.setColor = symbolPathSetColor;\n\n  if (color) {\n    symbolPath.setColor(color);\n  }\n\n  return symbolPath;\n}","\"use strict\";\nvar __importDefault = (this && this.__importDefault) || function (mod) {\n    return (mod && mod.__esModule) ? mod : { \"default\": mod };\n};\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar entities_json_1 = __importDefault(require(\"./maps/entities.json\"));\nvar legacy_json_1 = __importDefault(require(\"./maps/legacy.json\"));\nvar xml_json_1 = __importDefault(require(\"./maps/xml.json\"));\nvar decode_codepoint_1 = __importDefault(require(\"./decode_codepoint\"));\nexports.decodeXML = getStrictDecoder(xml_json_1.default);\nexports.decodeHTMLStrict = getStrictDecoder(entities_json_1.default);\nfunction getStrictDecoder(map) {\n    var keys = Object.keys(map).join(\"|\");\n    var replace = getReplacer(map);\n    keys += \"|#[xX][\\\\da-fA-F]+|#\\\\d+\";\n    var re = new RegExp(\"&(?:\" + keys + \");\", \"g\");\n    return function (str) { return String(str).replace(re, replace); };\n}\nvar sorter = function (a, b) { return (a < b ? 1 : -1); };\nexports.decodeHTML = (function () {\n    var legacy = Object.keys(legacy_json_1.default).sort(sorter);\n    var keys = Object.keys(entities_json_1.default).sort(sorter);\n    for (var i = 0, j = 0; i < keys.length; i++) {\n        if (legacy[j] === keys[i]) {\n            keys[i] += \";?\";\n            j++;\n        }\n        else {\n            keys[i] += \";\";\n        }\n    }\n    var re = new RegExp(\"&(?:\" + keys.join(\"|\") + \"|#[xX][\\\\da-fA-F]+;?|#\\\\d+;?)\", \"g\");\n    var replace = getReplacer(entities_json_1.default);\n    function replacer(str) {\n        if (str.substr(-1) !== \";\")\n            str += \";\";\n        return replace(str);\n    }\n    //TODO consider creating a merged map\n    return function (str) {\n        return String(str).replace(re, replacer);\n    };\n})();\nfunction getReplacer(map) {\n    return function replace(str) {\n        if (str.charAt(1) === \"#\") {\n            if (str.charAt(2) === \"X\" || str.charAt(2) === \"x\") {\n                return decode_codepoint_1.default(parseInt(str.substr(3), 16));\n            }\n            return decode_codepoint_1.default(parseInt(str.substr(2), 10));\n        }\n        return map[str.slice(1, -1)];\n    };\n}\n","import { Observable } from '../Observable';\nimport { concat } from '../observable/concat';\nimport { isScheduler } from '../util/isScheduler';\nimport { MonoTypeOperatorFunction, OperatorFunction, SchedulerLike } from '../types';\n\n/* tslint:disable:max-line-length */\n/** @deprecated use {@link scheduled} and {@link concatAll} (e.g. `scheduled([[a, b, c], source], scheduler).pipe(concatAll())`) */\nexport function startWith<T>(scheduler: SchedulerLike): MonoTypeOperatorFunction<T>;\n/** @deprecated use {@link scheduled} and {@link concatAll} (e.g. `scheduled([[a, b, c], source], scheduler).pipe(concatAll())`) */\nexport function startWith<T, D>(v1: D, scheduler: SchedulerLike): OperatorFunction<T, T | D>;\n/** @deprecated use {@link scheduled} and {@link concatAll} (e.g. `scheduled([[a, b, c], source], scheduler).pipe(concatAll())`) */\nexport function startWith<T, D, E>(v1: D, v2: E, scheduler: SchedulerLike): OperatorFunction<T, T | D | E>;\n/** @deprecated use {@link scheduled} and {@link concatAll} (e.g. `scheduled([[a, b, c], source], scheduler).pipe(concatAll())`) */\nexport function startWith<T, D, E, F>(v1: D, v2: E, v3: F, scheduler: SchedulerLike): OperatorFunction<T, T | D | E | F>;\n/** @deprecated use {@link scheduled} and {@link concatAll} (e.g. `scheduled([[a, b, c], source], scheduler).pipe(concatAll())`) */\nexport function startWith<T, D, E, F, G>(v1: D, v2:  E, v3: F, v4: G, scheduler: SchedulerLike): OperatorFunction<T, T | D | E | F | G>;\n/** @deprecated use {@link scheduled} and {@link concatAll} (e.g. `scheduled([[a, b, c], source], scheduler).pipe(concatAll())`) */\nexport function startWith<T, D, E, F, G, H>(v1: D, v2: E, v3: F, v4: G, v5: H, scheduler: SchedulerLike): OperatorFunction<T, T | D | E | F | G | H>;\n/** @deprecated use {@link scheduled} and {@link concatAll} (e.g. `scheduled([[a, b, c], source], scheduler).pipe(concatAll())`) */\nexport function startWith<T, D, E, F, G, H, I>(v1: D, v2: E, v3: F, v4: G, v5: H, v6: I, scheduler: SchedulerLike): OperatorFunction<T, T | D | E | F | G | H | I>;\n\nexport function startWith<T, D>(v1: D): OperatorFunction<T, T | D>;\nexport function startWith<T, D, E>(v1: D, v2: E): OperatorFunction<T, T | D | E>;\nexport function startWith<T, D, E, F>(v1: D, v2: E, v3: F): OperatorFunction<T, T | D | E | F>;\nexport function startWith<T, D, E, F, G>(v1: D, v2:  E, v3: F, v4: G): OperatorFunction<T, T | D | E | F | G>;\nexport function startWith<T, D, E, F, G, H>(v1: D, v2: E, v3: F, v4: G, v5: H): OperatorFunction<T, T | D | E | F | G | H>;\nexport function startWith<T, D, E, F, G, H, I>(v1: D, v2: E, v3: F, v4: G, v5: H, v6: I): OperatorFunction<T, T | D | E | F | G | H | I>;\nexport function startWith<T, D = T>(...array: D[]): OperatorFunction<T, T | D>;\n/** @deprecated use {@link scheduled} and {@link concatAll} (e.g. `scheduled([[a, b, c], source], scheduler).pipe(concatAll())`) */\nexport function startWith<T, D = T>(...array: Array<D | SchedulerLike>): OperatorFunction<T, T | D>;\n/* tslint:enable:max-line-length */\n\n/**\n * Returns an Observable that emits the items you specify as arguments before it begins to emit\n * items emitted by the source Observable.\n *\n * <span class=\"informal\">First emits its arguments in order, and then any\n * emissions from the source.</span>\n *\n * ![](startWith.png)\n *\n * ## Examples\n *\n * Start the chain of emissions with `\"first\"`, `\"second\"`\n *\n * ```ts\n * import { of } from 'rxjs';\n * import { startWith } from 'rxjs/operators';\n *\n * of(\"from source\")\n *   .pipe(startWith(\"first\", \"second\"))\n *   .subscribe(x => console.log(x));\n *\n * // results:\n * //   \"first\"\n * //   \"second\"\n * //   \"from source\"\n * ```\n *\n * @param {...T} values - Items you want the modified Observable to emit first.\n * @param {SchedulerLike} [scheduler] - A {@link SchedulerLike} to use for scheduling\n * the emissions of the `next` notifications.\n * @return {Observable} An Observable that emits the items in the specified Iterable and then emits the items\n * emitted by the source Observable.\n * @method startWith\n * @owner Observable\n */\nexport function startWith<T, D>(...array: Array<T | SchedulerLike>): OperatorFunction<T, T | D> {\n  const scheduler = array[array.length - 1] as SchedulerLike;\n  if (isScheduler(scheduler)) {\n    // deprecated path\n    array.pop();\n    return (source: Observable<T>) => concat(array as T[], source, scheduler);\n  } else {\n    return (source: Observable<T>) => concat(array as T[], source);\n  }\n}\n","/**\n * @license Angular v9.0.0\n * (c) 2010-2020 Google LLC. https://angular.io/\n * License: MIT\n */\n\nimport { __read, __extends, __spread, __decorate, __metadata } from 'tslib';\nimport { Injector, ChangeDetectorRef, Testability, TestabilityRegistry, ApplicationRef, SimpleChange, NgZone, ComponentFactoryResolver, Version, ɵNOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR, ɵlooseIdentical, EventEmitter, isDevMode, NgModule } from '@angular/core';\nimport { platformBrowser } from '@angular/platform-browser';\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction noNg() {\n    throw new Error('AngularJS v1.x is not loaded!');\n}\nvar noNgElement = (function () { return noNg(); });\nnoNgElement.cleanData = noNg;\nvar angular = {\n    bootstrap: noNg,\n    module: noNg,\n    element: noNgElement,\n    injector: noNg,\n    version: undefined,\n    resumeBootstrap: noNg,\n    getTestability: noNg\n};\ntry {\n    if (window.hasOwnProperty('angular')) {\n        angular = window.angular;\n    }\n}\ncatch (_a) {\n    // ignore in CJS mode.\n}\n/**\n * @deprecated Use `setAngularJSGlobal` instead.\n *\n * @publicApi\n */\nfunction setAngularLib(ng) {\n    setAngularJSGlobal(ng);\n}\n/**\n * @deprecated Use `getAngularJSGlobal` instead.\n *\n * @publicApi\n */\nfunction getAngularLib() {\n    return getAngularJSGlobal();\n}\n/**\n * Resets the AngularJS global.\n *\n * Used when AngularJS is loaded lazily, and not available on `window`.\n *\n * @publicApi\n */\nfunction setAngularJSGlobal(ng) {\n    angular = ng;\n}\n/**\n * Returns the current AngularJS global.\n *\n * @publicApi\n */\nfunction getAngularJSGlobal() {\n    return angular;\n}\nvar bootstrap = function (e, modules, config) {\n    return angular.bootstrap(e, modules, config);\n};\n// Do not declare as `module` to avoid webpack bug\n// (see https://github.com/angular/angular/issues/30050).\nvar module_ = function (prefix, dependencies) {\n    return angular.module(prefix, dependencies);\n};\nvar element = (function (e) { return angular.element(e); });\nelement.cleanData = function (nodes) { return angular.element.cleanData(nodes); };\nvar injector = function (modules, strictDi) { return angular.injector(modules, strictDi); };\nvar resumeBootstrap = function () { return angular.resumeBootstrap(); };\nvar getTestability = function (e) { return angular.getTestability(e); };\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar $COMPILE = '$compile';\nvar $CONTROLLER = '$controller';\nvar $DELEGATE = '$delegate';\nvar $EXCEPTION_HANDLER = '$exceptionHandler';\nvar $HTTP_BACKEND = '$httpBackend';\nvar $INJECTOR = '$injector';\nvar $INTERVAL = '$interval';\nvar $PARSE = '$parse';\nvar $PROVIDE = '$provide';\nvar $ROOT_SCOPE = '$rootScope';\nvar $SCOPE = '$scope';\nvar $TEMPLATE_CACHE = '$templateCache';\nvar $TEMPLATE_REQUEST = '$templateRequest';\nvar $$TESTABILITY = '$$testability';\nvar COMPILER_KEY = '$$angularCompiler';\nvar DOWNGRADED_MODULE_COUNT_KEY = '$$angularDowngradedModuleCount';\nvar GROUP_PROJECTABLE_NODES_KEY = '$$angularGroupProjectableNodes';\nvar INJECTOR_KEY = '$$angularInjector';\nvar LAZY_MODULE_REF = '$$angularLazyModuleRef';\nvar NG_ZONE_KEY = '$$angularNgZone';\nvar UPGRADE_APP_TYPE_KEY = '$$angularUpgradeAppType';\nvar REQUIRE_INJECTOR = '?^^' + INJECTOR_KEY;\nvar REQUIRE_NG_MODEL = '?ngModel';\nvar UPGRADE_MODULE_NAME = '$$UpgradeModule';\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * A `PropertyBinding` represents a mapping between a property name\n * and an attribute name. It is parsed from a string of the form\n * `\"prop: attr\"`; or simply `\"propAndAttr\" where the property\n * and attribute have the same identifier.\n */\nvar PropertyBinding = /** @class */ (function () {\n    function PropertyBinding(prop, attr) {\n        this.prop = prop;\n        this.attr = attr;\n        this.parseBinding();\n    }\n    PropertyBinding.prototype.parseBinding = function () {\n        this.bracketAttr = \"[\" + this.attr + \"]\";\n        this.parenAttr = \"(\" + this.attr + \")\";\n        this.bracketParenAttr = \"[(\" + this.attr + \")]\";\n        var capitalAttr = this.attr.charAt(0).toUpperCase() + this.attr.substr(1);\n        this.onAttr = \"on\" + capitalAttr;\n        this.bindAttr = \"bind\" + capitalAttr;\n        this.bindonAttr = \"bindon\" + capitalAttr;\n    };\n    return PropertyBinding;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar DIRECTIVE_PREFIX_REGEXP = /^(?:x|data)[:\\-_]/i;\nvar DIRECTIVE_SPECIAL_CHARS_REGEXP = /[:\\-_]+(.)/g;\nfunction onError(e) {\n    // TODO: (misko): We seem to not have a stack trace here!\n    if (console.error) {\n        console.error(e, e.stack);\n    }\n    else {\n        // tslint:disable-next-line:no-console\n        console.log(e, e.stack);\n    }\n    throw e;\n}\nfunction controllerKey(name) {\n    return '$' + name + 'Controller';\n}\nfunction directiveNormalize(name) {\n    return name.replace(DIRECTIVE_PREFIX_REGEXP, '')\n        .replace(DIRECTIVE_SPECIAL_CHARS_REGEXP, function (_, letter) { return letter.toUpperCase(); });\n}\nfunction getTypeName(type) {\n    // Return the name of the type or the first line of its stringified version.\n    return type.overriddenName || type.name || type.toString().split('\\n')[0];\n}\nfunction getDowngradedModuleCount($injector) {\n    return $injector.has(DOWNGRADED_MODULE_COUNT_KEY) ? $injector.get(DOWNGRADED_MODULE_COUNT_KEY) :\n        0;\n}\nfunction getUpgradeAppType($injector) {\n    return $injector.has(UPGRADE_APP_TYPE_KEY) ? $injector.get(UPGRADE_APP_TYPE_KEY) :\n        0 /* None */;\n}\nfunction isFunction(value) {\n    return typeof value === 'function';\n}\nfunction validateInjectionKey($injector, downgradedModule, injectionKey, attemptedAction) {\n    var upgradeAppType = getUpgradeAppType($injector);\n    var downgradedModuleCount = getDowngradedModuleCount($injector);\n    // Check for common errors.\n    switch (upgradeAppType) {\n        case 1 /* Dynamic */:\n        case 2 /* Static */:\n            if (downgradedModule) {\n                throw new Error(\"Error while \" + attemptedAction + \": 'downgradedModule' unexpectedly specified.\\n\" +\n                    'You should not specify a value for \\'downgradedModule\\', unless you are downgrading ' +\n                    'more than one Angular module (via \\'downgradeModule()\\').');\n            }\n            break;\n        case 3 /* Lite */:\n            if (!downgradedModule && (downgradedModuleCount >= 2)) {\n                throw new Error(\"Error while \" + attemptedAction + \": 'downgradedModule' not specified.\\n\" +\n                    'This application contains more than one downgraded Angular module, thus you need to ' +\n                    'always specify \\'downgradedModule\\' when downgrading components and injectables.');\n            }\n            if (!$injector.has(injectionKey)) {\n                throw new Error(\"Error while \" + attemptedAction + \": Unable to find the specified downgraded module.\\n\" +\n                    'Did you forget to downgrade an Angular module or include it in the AngularJS ' +\n                    'application?');\n            }\n            break;\n        default:\n            throw new Error(\"Error while \" + attemptedAction + \": Not a valid '@angular/upgrade' application.\\n\" +\n                'Did you forget to downgrade an Angular module or include it in the AngularJS ' +\n                'application?');\n    }\n}\nvar Deferred = /** @class */ (function () {\n    function Deferred() {\n        var _this = this;\n        this.promise = new Promise(function (res, rej) {\n            _this.resolve = res;\n            _this.reject = rej;\n        });\n    }\n    return Deferred;\n}());\n/**\n * @return Whether the passed-in component implements the subset of the\n *     `ControlValueAccessor` interface needed for AngularJS `ng-model`\n *     compatibility.\n */\nfunction supportsNgModel(component) {\n    return typeof component.writeValue === 'function' &&\n        typeof component.registerOnChange === 'function';\n}\n/**\n * Glue the AngularJS `NgModelController` (if it exists) to the component\n * (if it implements the needed subset of the `ControlValueAccessor` interface).\n */\nfunction hookupNgModel(ngModel, component) {\n    if (ngModel && supportsNgModel(component)) {\n        ngModel.$render = function () { component.writeValue(ngModel.$viewValue); };\n        component.registerOnChange(ngModel.$setViewValue.bind(ngModel));\n        if (typeof component.registerOnTouched === 'function') {\n            component.registerOnTouched(ngModel.$setTouched.bind(ngModel));\n        }\n    }\n}\n/**\n * Test two values for strict equality, accounting for the fact that `NaN !== NaN`.\n */\nfunction strictEquals(val1, val2) {\n    return val1 === val2 || (val1 !== val1 && val2 !== val2);\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar INITIAL_VALUE = {\n    __UNINITIALIZED__: true\n};\nvar DowngradeComponentAdapter = /** @class */ (function () {\n    function DowngradeComponentAdapter(element, attrs, scope, ngModel, parentInjector, $injector, $compile, $parse, componentFactory, wrapCallback) {\n        this.element = element;\n        this.attrs = attrs;\n        this.scope = scope;\n        this.ngModel = ngModel;\n        this.parentInjector = parentInjector;\n        this.$injector = $injector;\n        this.$compile = $compile;\n        this.$parse = $parse;\n        this.componentFactory = componentFactory;\n        this.wrapCallback = wrapCallback;\n        this.implementsOnChanges = false;\n        this.inputChangeCount = 0;\n        this.inputChanges = {};\n        this.componentScope = scope.$new();\n    }\n    DowngradeComponentAdapter.prototype.compileContents = function () {\n        var _this = this;\n        var compiledProjectableNodes = [];\n        var projectableNodes = this.groupProjectableNodes();\n        var linkFns = projectableNodes.map(function (nodes) { return _this.$compile(nodes); });\n        this.element.empty();\n        linkFns.forEach(function (linkFn) {\n            linkFn(_this.scope, function (clone) {\n                compiledProjectableNodes.push(clone);\n                _this.element.append(clone);\n            });\n        });\n        return compiledProjectableNodes;\n    };\n    DowngradeComponentAdapter.prototype.createComponent = function (projectableNodes) {\n        var providers = [{ provide: $SCOPE, useValue: this.componentScope }];\n        var childInjector = Injector.create({ providers: providers, parent: this.parentInjector, name: 'DowngradeComponentAdapter' });\n        this.componentRef =\n            this.componentFactory.create(childInjector, projectableNodes, this.element[0]);\n        this.viewChangeDetector = this.componentRef.injector.get(ChangeDetectorRef);\n        this.changeDetector = this.componentRef.changeDetectorRef;\n        this.component = this.componentRef.instance;\n        // testability hook is commonly added during component bootstrap in\n        // packages/core/src/application_ref.bootstrap()\n        // in downgraded application, component creation will take place here as well as adding the\n        // testability hook.\n        var testability = this.componentRef.injector.get(Testability, null);\n        if (testability) {\n            this.componentRef.injector.get(TestabilityRegistry)\n                .registerApplication(this.componentRef.location.nativeElement, testability);\n        }\n        hookupNgModel(this.ngModel, this.component);\n    };\n    DowngradeComponentAdapter.prototype.setupInputs = function (manuallyAttachView, propagateDigest) {\n        var _this = this;\n        if (propagateDigest === void 0) { propagateDigest = true; }\n        var attrs = this.attrs;\n        var inputs = this.componentFactory.inputs || [];\n        var _loop_1 = function (i) {\n            var input = new PropertyBinding(inputs[i].propName, inputs[i].templateName);\n            var expr = null;\n            if (attrs.hasOwnProperty(input.attr)) {\n                var observeFn_1 = (function (prop) {\n                    var prevValue = INITIAL_VALUE;\n                    return function (currValue) {\n                        // Initially, both `$observe()` and `$watch()` will call this function.\n                        if (!strictEquals(prevValue, currValue)) {\n                            if (prevValue === INITIAL_VALUE) {\n                                prevValue = currValue;\n                            }\n                            _this.updateInput(prop, prevValue, currValue);\n                            prevValue = currValue;\n                        }\n                    };\n                })(input.prop);\n                attrs.$observe(input.attr, observeFn_1);\n                // Use `$watch()` (in addition to `$observe()`) in order to initialize the input in time\n                // for `ngOnChanges()`. This is necessary if we are already in a `$digest`, which means that\n                // `ngOnChanges()` (which is called by a watcher) will run before the `$observe()` callback.\n                var unwatch_1 = this_1.componentScope.$watch(function () {\n                    unwatch_1();\n                    unwatch_1 = null;\n                    observeFn_1(attrs[input.attr]);\n                });\n            }\n            else if (attrs.hasOwnProperty(input.bindAttr)) {\n                expr = attrs[input.bindAttr];\n            }\n            else if (attrs.hasOwnProperty(input.bracketAttr)) {\n                expr = attrs[input.bracketAttr];\n            }\n            else if (attrs.hasOwnProperty(input.bindonAttr)) {\n                expr = attrs[input.bindonAttr];\n            }\n            else if (attrs.hasOwnProperty(input.bracketParenAttr)) {\n                expr = attrs[input.bracketParenAttr];\n            }\n            if (expr != null) {\n                var watchFn = (function (prop) { return function (currValue, prevValue) {\n                    return _this.updateInput(prop, prevValue, currValue);\n                }; })(input.prop);\n                this_1.componentScope.$watch(expr, watchFn);\n            }\n        };\n        var this_1 = this;\n        for (var i = 0; i < inputs.length; i++) {\n            _loop_1(i);\n        }\n        // Invoke `ngOnChanges()` and Change Detection (when necessary)\n        var detectChanges = function () { return _this.changeDetector.detectChanges(); };\n        var prototype = this.componentFactory.componentType.prototype;\n        this.implementsOnChanges = !!(prototype && prototype.ngOnChanges);\n        this.componentScope.$watch(function () { return _this.inputChangeCount; }, this.wrapCallback(function () {\n            // Invoke `ngOnChanges()`\n            if (_this.implementsOnChanges) {\n                var inputChanges = _this.inputChanges;\n                _this.inputChanges = {};\n                _this.component.ngOnChanges(inputChanges);\n            }\n            _this.viewChangeDetector.markForCheck();\n            // If opted out of propagating digests, invoke change detection when inputs change.\n            if (!propagateDigest) {\n                detectChanges();\n            }\n        }));\n        // If not opted out of propagating digests, invoke change detection on every digest\n        if (propagateDigest) {\n            this.componentScope.$watch(this.wrapCallback(detectChanges));\n        }\n        // If necessary, attach the view so that it will be dirty-checked.\n        // (Allow time for the initial input values to be set and `ngOnChanges()` to be called.)\n        if (manuallyAttachView || !propagateDigest) {\n            var unwatch_2 = this.componentScope.$watch(function () {\n                unwatch_2();\n                unwatch_2 = null;\n                var appRef = _this.parentInjector.get(ApplicationRef);\n                appRef.attachView(_this.componentRef.hostView);\n            });\n        }\n    };\n    DowngradeComponentAdapter.prototype.setupOutputs = function () {\n        var attrs = this.attrs;\n        var outputs = this.componentFactory.outputs || [];\n        for (var j = 0; j < outputs.length; j++) {\n            var output = new PropertyBinding(outputs[j].propName, outputs[j].templateName);\n            var bindonAttr = output.bindonAttr.substring(0, output.bindonAttr.length - 6);\n            var bracketParenAttr = \"[(\" + output.bracketParenAttr.substring(2, output.bracketParenAttr.length - 8) + \")]\";\n            // order below is important - first update bindings then evaluate expressions\n            if (attrs.hasOwnProperty(bindonAttr)) {\n                this.subscribeToOutput(output, attrs[bindonAttr], true);\n            }\n            if (attrs.hasOwnProperty(bracketParenAttr)) {\n                this.subscribeToOutput(output, attrs[bracketParenAttr], true);\n            }\n            if (attrs.hasOwnProperty(output.onAttr)) {\n                this.subscribeToOutput(output, attrs[output.onAttr]);\n            }\n            if (attrs.hasOwnProperty(output.parenAttr)) {\n                this.subscribeToOutput(output, attrs[output.parenAttr]);\n            }\n        }\n    };\n    DowngradeComponentAdapter.prototype.subscribeToOutput = function (output, expr, isAssignment) {\n        var _this = this;\n        if (isAssignment === void 0) { isAssignment = false; }\n        var getter = this.$parse(expr);\n        var setter = getter.assign;\n        if (isAssignment && !setter) {\n            throw new Error(\"Expression '\" + expr + \"' is not assignable!\");\n        }\n        var emitter = this.component[output.prop];\n        if (emitter) {\n            emitter.subscribe({\n                next: isAssignment ? function (v) { return setter(_this.scope, v); } :\n                    function (v) { return getter(_this.scope, { '$event': v }); }\n            });\n        }\n        else {\n            throw new Error(\"Missing emitter '\" + output.prop + \"' on component '\" + getTypeName(this.componentFactory.componentType) + \"'!\");\n        }\n    };\n    DowngradeComponentAdapter.prototype.registerCleanup = function () {\n        var _this = this;\n        var testabilityRegistry = this.componentRef.injector.get(TestabilityRegistry);\n        var destroyComponentRef = this.wrapCallback(function () { return _this.componentRef.destroy(); });\n        var destroyed = false;\n        this.element.on('$destroy', function () { return _this.componentScope.$destroy(); });\n        this.componentScope.$on('$destroy', function () {\n            if (!destroyed) {\n                destroyed = true;\n                testabilityRegistry.unregisterApplication(_this.componentRef.location.nativeElement);\n                destroyComponentRef();\n            }\n        });\n    };\n    DowngradeComponentAdapter.prototype.getInjector = function () { return this.componentRef.injector; };\n    DowngradeComponentAdapter.prototype.updateInput = function (prop, prevValue, currValue) {\n        if (this.implementsOnChanges) {\n            this.inputChanges[prop] = new SimpleChange(prevValue, currValue, prevValue === currValue);\n        }\n        this.inputChangeCount++;\n        this.component[prop] = currValue;\n    };\n    DowngradeComponentAdapter.prototype.groupProjectableNodes = function () {\n        var ngContentSelectors = this.componentFactory.ngContentSelectors;\n        return groupNodesBySelector(ngContentSelectors, this.element.contents());\n    };\n    return DowngradeComponentAdapter;\n}());\n/**\n * Group a set of DOM nodes into `ngContent` groups, based on the given content selectors.\n */\nfunction groupNodesBySelector(ngContentSelectors, nodes) {\n    var projectableNodes = [];\n    var wildcardNgContentIndex;\n    for (var i = 0, ii = ngContentSelectors.length; i < ii; ++i) {\n        projectableNodes[i] = [];\n    }\n    for (var j = 0, jj = nodes.length; j < jj; ++j) {\n        var node = nodes[j];\n        var ngContentIndex = findMatchingNgContentIndex(node, ngContentSelectors);\n        if (ngContentIndex != null) {\n            projectableNodes[ngContentIndex].push(node);\n        }\n    }\n    return projectableNodes;\n}\nfunction findMatchingNgContentIndex(element, ngContentSelectors) {\n    var ngContentIndices = [];\n    var wildcardNgContentIndex = -1;\n    for (var i = 0; i < ngContentSelectors.length; i++) {\n        var selector = ngContentSelectors[i];\n        if (selector === '*') {\n            wildcardNgContentIndex = i;\n        }\n        else {\n            if (matchesSelector(element, selector)) {\n                ngContentIndices.push(i);\n            }\n        }\n    }\n    ngContentIndices.sort();\n    if (wildcardNgContentIndex !== -1) {\n        ngContentIndices.push(wildcardNgContentIndex);\n    }\n    return ngContentIndices.length ? ngContentIndices[0] : null;\n}\nvar _matches;\nfunction matchesSelector(el, selector) {\n    if (!_matches) {\n        var elProto = Element.prototype;\n        _matches = elProto.matches || elProto.matchesSelector || elProto.mozMatchesSelector ||\n            elProto.msMatchesSelector || elProto.oMatchesSelector || elProto.webkitMatchesSelector;\n    }\n    return el.nodeType === Node.ELEMENT_NODE ? _matches.call(el, selector) : false;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nfunction isThenable(obj) {\n    return !!obj && isFunction(obj.then);\n}\n/**\n * Synchronous, promise-like object.\n */\nvar SyncPromise = /** @class */ (function () {\n    function SyncPromise() {\n        this.resolved = false;\n        this.callbacks = [];\n    }\n    SyncPromise.all = function (valuesOrPromises) {\n        var aggrPromise = new SyncPromise();\n        var resolvedCount = 0;\n        var results = [];\n        var resolve = function (idx, value) {\n            results[idx] = value;\n            if (++resolvedCount === valuesOrPromises.length)\n                aggrPromise.resolve(results);\n        };\n        valuesOrPromises.forEach(function (p, idx) {\n            if (isThenable(p)) {\n                p.then(function (v) { return resolve(idx, v); });\n            }\n            else {\n                resolve(idx, p);\n            }\n        });\n        return aggrPromise;\n    };\n    SyncPromise.prototype.resolve = function (value) {\n        // Do nothing, if already resolved.\n        if (this.resolved)\n            return;\n        this.value = value;\n        this.resolved = true;\n        // Run the queued callbacks.\n        this.callbacks.forEach(function (callback) { return callback(value); });\n        this.callbacks.length = 0;\n    };\n    SyncPromise.prototype.then = function (callback) {\n        if (this.resolved) {\n            callback(this.value);\n        }\n        else {\n            this.callbacks.push(callback);\n        }\n    };\n    return SyncPromise;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @description\n *\n * A helper function that allows an Angular component to be used from AngularJS.\n *\n * *Part of the [upgrade/static](api?query=upgrade%2Fstatic)\n * library for hybrid upgrade apps that support AOT compilation*\n *\n * This helper function returns a factory function to be used for registering\n * an AngularJS wrapper directive for \"downgrading\" an Angular component.\n *\n * @usageNotes\n * ### Examples\n *\n * Let's assume that you have an Angular component called `ng2Heroes` that needs\n * to be made available in AngularJS templates.\n *\n * {@example upgrade/static/ts/full/module.ts region=\"ng2-heroes\"}\n *\n * We must create an AngularJS [directive](https://docs.angularjs.org/guide/directive)\n * that will make this Angular component available inside AngularJS templates.\n * The `downgradeComponent()` function returns a factory function that we\n * can use to define the AngularJS directive that wraps the \"downgraded\" component.\n *\n * {@example upgrade/static/ts/full/module.ts region=\"ng2-heroes-wrapper\"}\n *\n * For more details and examples on downgrading Angular components to AngularJS components please\n * visit the [Upgrade guide](guide/upgrade#using-angular-components-from-angularjs-code).\n *\n * @param info contains information about the Component that is being downgraded:\n *\n * - `component: Type<any>`: The type of the Component that will be downgraded\n * - `downgradedModule?: string`: The name of the downgraded module (if any) that the component\n *   \"belongs to\", as returned by a call to `downgradeModule()`. It is the module, whose\n *   corresponding Angular module will be bootstrapped, when the component needs to be instantiated.\n *   <br />\n *   (This option is only necessary when using `downgradeModule()` to downgrade more than one\n *   Angular module.)\n * - `propagateDigest?: boolean`: Whether to perform {@link ChangeDetectorRef#detectChanges\n *   change detection} on the component on every\n *   [$digest](https://docs.angularjs.org/api/ng/type/$rootScope.Scope#$digest). If set to `false`,\n *   change detection will still be performed when any of the component's inputs changes.\n *   (Default: true)\n *\n * @returns a factory function that can be used to register the component in an\n * AngularJS module.\n *\n * @publicApi\n */\nfunction downgradeComponent(info) {\n    var directiveFactory = function ($compile, $injector, $parse) {\n        // When using `downgradeModule()`, we need to handle certain things specially. For example:\n        // - We always need to attach the component view to the `ApplicationRef` for it to be\n        //   dirty-checked.\n        // - We need to ensure callbacks to Angular APIs (e.g. change detection) are run inside the\n        //   Angular zone.\n        //   NOTE: This is not needed, when using `UpgradeModule`, because `$digest()` will be run\n        //         inside the Angular zone (except if explicitly escaped, in which case we shouldn't\n        //         force it back in).\n        var isNgUpgradeLite = getUpgradeAppType($injector) === 3 /* Lite */;\n        var wrapCallback = !isNgUpgradeLite ? function (cb) { return cb; } : function (cb) { return function () { return NgZone.isInAngularZone() ? cb() : ngZone.run(cb); }; };\n        var ngZone;\n        // When downgrading multiple modules, special handling is needed wrt injectors.\n        var hasMultipleDowngradedModules = isNgUpgradeLite && (getDowngradedModuleCount($injector) > 1);\n        return {\n            restrict: 'E',\n            terminal: true,\n            require: [REQUIRE_INJECTOR, REQUIRE_NG_MODEL],\n            link: function (scope, element, attrs, required) {\n                // We might have to compile the contents asynchronously, because this might have been\n                // triggered by `UpgradeNg1ComponentAdapterBuilder`, before the Angular templates have\n                // been compiled.\n                var ngModel = required[1];\n                var parentInjector = required[0];\n                var moduleInjector = undefined;\n                var ranAsync = false;\n                if (!parentInjector || hasMultipleDowngradedModules) {\n                    var downgradedModule = info.downgradedModule || '';\n                    var lazyModuleRefKey = \"\" + LAZY_MODULE_REF + downgradedModule;\n                    var attemptedAction = \"instantiating component '\" + getTypeName(info.component) + \"'\";\n                    validateInjectionKey($injector, downgradedModule, lazyModuleRefKey, attemptedAction);\n                    var lazyModuleRef = $injector.get(lazyModuleRefKey);\n                    moduleInjector = lazyModuleRef.injector || lazyModuleRef.promise;\n                }\n                // Notes:\n                //\n                // There are two injectors: `finalModuleInjector` and `finalParentInjector` (they might be\n                // the same instance, but that is irrelevant):\n                // - `finalModuleInjector` is used to retrieve `ComponentFactoryResolver`, thus it must be\n                //   on the same tree as the `NgModule` that declares this downgraded component.\n                // - `finalParentInjector` is used for all other injection purposes.\n                //   (Note that Angular knows to only traverse the component-tree part of that injector,\n                //   when looking for an injectable and then switch to the module injector.)\n                //\n                // There are basically three cases:\n                // - If there is no parent component (thus no `parentInjector`), we bootstrap the downgraded\n                //   `NgModule` and use its injector as both `finalModuleInjector` and\n                //   `finalParentInjector`.\n                // - If there is a parent component (and thus a `parentInjector`) and we are sure that it\n                //   belongs to the same `NgModule` as this downgraded component (e.g. because there is only\n                //   one downgraded module, we use that `parentInjector` as both `finalModuleInjector` and\n                //   `finalParentInjector`.\n                // - If there is a parent component, but it may belong to a different `NgModule`, then we\n                //   use the `parentInjector` as `finalParentInjector` and this downgraded component's\n                //   declaring `NgModule`'s injector as `finalModuleInjector`.\n                //   Note 1: If the `NgModule` is already bootstrapped, we just get its injector (we don't\n                //           bootstrap again).\n                //   Note 2: It is possible that (while there are multiple downgraded modules) this\n                //           downgraded component and its parent component both belong to the same NgModule.\n                //           In that case, we could have used the `parentInjector` as both\n                //           `finalModuleInjector` and `finalParentInjector`, but (for simplicity) we are\n                //           treating this case as if they belong to different `NgModule`s. That doesn't\n                //           really affect anything, since `parentInjector` has `moduleInjector` as ancestor\n                //           and trying to resolve `ComponentFactoryResolver` from either one will return\n                //           the same instance.\n                // If there is a parent component, use its injector as parent injector.\n                // If this is a \"top-level\" Angular component, use the module injector.\n                var finalParentInjector = parentInjector || moduleInjector;\n                // If this is a \"top-level\" Angular component or the parent component may belong to a\n                // different `NgModule`, use the module injector for module-specific dependencies.\n                // If there is a parent component that belongs to the same `NgModule`, use its injector.\n                var finalModuleInjector = moduleInjector || parentInjector;\n                var doDowngrade = function (injector, moduleInjector) {\n                    // Retrieve `ComponentFactoryResolver` from the injector tied to the `NgModule` this\n                    // component belongs to.\n                    var componentFactoryResolver = moduleInjector.get(ComponentFactoryResolver);\n                    var componentFactory = componentFactoryResolver.resolveComponentFactory(info.component);\n                    if (!componentFactory) {\n                        throw new Error(\"Expecting ComponentFactory for: \" + getTypeName(info.component));\n                    }\n                    var injectorPromise = new ParentInjectorPromise(element);\n                    var facade = new DowngradeComponentAdapter(element, attrs, scope, ngModel, injector, $injector, $compile, $parse, componentFactory, wrapCallback);\n                    var projectableNodes = facade.compileContents();\n                    facade.createComponent(projectableNodes);\n                    facade.setupInputs(isNgUpgradeLite, info.propagateDigest);\n                    facade.setupOutputs();\n                    facade.registerCleanup();\n                    injectorPromise.resolve(facade.getInjector());\n                    if (ranAsync) {\n                        // If this is run async, it is possible that it is not run inside a\n                        // digest and initial input values will not be detected.\n                        scope.$evalAsync(function () { });\n                    }\n                };\n                var downgradeFn = !isNgUpgradeLite ? doDowngrade : function (pInjector, mInjector) {\n                    if (!ngZone) {\n                        ngZone = pInjector.get(NgZone);\n                    }\n                    wrapCallback(function () { return doDowngrade(pInjector, mInjector); })();\n                };\n                // NOTE:\n                // Not using `ParentInjectorPromise.all()` (which is inherited from `SyncPromise`), because\n                // Closure Compiler (or some related tool) complains:\n                // `TypeError: ...$src$downgrade_component_ParentInjectorPromise.all is not a function`\n                SyncPromise.all([finalParentInjector, finalModuleInjector])\n                    .then(function (_a) {\n                    var _b = __read(_a, 2), pInjector = _b[0], mInjector = _b[1];\n                    return downgradeFn(pInjector, mInjector);\n                });\n                ranAsync = true;\n            }\n        };\n    };\n    // bracket-notation because of closure - see #14441\n    directiveFactory['$inject'] = [$COMPILE, $INJECTOR, $PARSE];\n    return directiveFactory;\n}\n/**\n * Synchronous promise-like object to wrap parent injectors,\n * to preserve the synchronous nature of AngularJS's `$compile`.\n */\nvar ParentInjectorPromise = /** @class */ (function (_super) {\n    __extends(ParentInjectorPromise, _super);\n    function ParentInjectorPromise(element) {\n        var _this = _super.call(this) || this;\n        _this.element = element;\n        _this.injectorKey = controllerKey(INJECTOR_KEY);\n        // Store the promise on the element.\n        element.data(_this.injectorKey, _this);\n        return _this;\n    }\n    ParentInjectorPromise.prototype.resolve = function (injector) {\n        // Store the real injector on the element.\n        this.element.data(this.injectorKey, injector);\n        // Release the element to prevent memory leaks.\n        this.element = null;\n        // Resolve the promise.\n        _super.prototype.resolve.call(this, injector);\n    };\n    return ParentInjectorPromise;\n}(SyncPromise));\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @description\n *\n * A helper function to allow an Angular service to be accessible from AngularJS.\n *\n * *Part of the [upgrade/static](api?query=upgrade%2Fstatic)\n * library for hybrid upgrade apps that support AOT compilation*\n *\n * This helper function returns a factory function that provides access to the Angular\n * service identified by the `token` parameter.\n *\n * @usageNotes\n * ### Examples\n *\n * First ensure that the service to be downgraded is provided in an `NgModule`\n * that will be part of the upgrade application. For example, let's assume we have\n * defined `HeroesService`\n *\n * {@example upgrade/static/ts/full/module.ts region=\"ng2-heroes-service\"}\n *\n * and that we have included this in our upgrade app `NgModule`\n *\n * {@example upgrade/static/ts/full/module.ts region=\"ng2-module\"}\n *\n * Now we can register the `downgradeInjectable` factory function for the service\n * on an AngularJS module.\n *\n * {@example upgrade/static/ts/full/module.ts region=\"downgrade-ng2-heroes-service\"}\n *\n * Inside an AngularJS component's controller we can get hold of the\n * downgraded service via the name we gave when downgrading.\n *\n * {@example upgrade/static/ts/full/module.ts region=\"example-app\"}\n *\n * <div class=\"alert is-important\">\n *\n *   When using `downgradeModule()`, downgraded injectables will not be available until the Angular\n *   module that provides them is instantiated. In order to be safe, you need to ensure that the\n *   downgraded injectables are not used anywhere _outside_ the part of the app where it is\n *   guaranteed that their module has been instantiated.\n *\n *   For example, it is _OK_ to use a downgraded service in an upgraded component that is only used\n *   from a downgraded Angular component provided by the same Angular module as the injectable, but\n *   it is _not OK_ to use it in an AngularJS component that may be used independently of Angular or\n *   use it in a downgraded Angular component from a different module.\n *\n * </div>\n *\n * @param token an `InjectionToken` that identifies a service provided from Angular.\n * @param downgradedModule the name of the downgraded module (if any) that the injectable\n * \"belongs to\", as returned by a call to `downgradeModule()`. It is the module, whose injector will\n * be used for instantiating the injectable.<br />\n * (This option is only necessary when using `downgradeModule()` to downgrade more than one Angular\n * module.)\n *\n * @returns a [factory function](https://docs.angularjs.org/guide/di) that can be\n * used to register the service on an AngularJS module.\n *\n * @publicApi\n */\nfunction downgradeInjectable(token, downgradedModule) {\n    if (downgradedModule === void 0) { downgradedModule = ''; }\n    var factory = function ($injector) {\n        var injectorKey = \"\" + INJECTOR_KEY + downgradedModule;\n        var injectableName = isFunction(token) ? getTypeName(token) : String(token);\n        var attemptedAction = \"instantiating injectable '\" + injectableName + \"'\";\n        validateInjectionKey($injector, downgradedModule, injectorKey, attemptedAction);\n        var injector = $injector.get(injectorKey);\n        return injector.get(token);\n    };\n    factory['$inject'] = [$INJECTOR];\n    return factory;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @publicApi\n */\nvar VERSION = new Version('9.0.0');\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// We have to do a little dance to get the ng1 injector into the module injector.\n// We store the ng1 injector so that the provider in the module injector can access it\n// Then we \"get\" the ng1 injector from the module injector, which triggers the provider to read\n// the stored injector and release the reference to it.\nvar tempInjectorRef = null;\nfunction setTempInjectorRef(injector) {\n    tempInjectorRef = injector;\n}\nfunction injectorFactory() {\n    if (!tempInjectorRef) {\n        throw new Error('Trying to get the AngularJS injector before it being set.');\n    }\n    var injector = tempInjectorRef;\n    tempInjectorRef = null; // clear the value to prevent memory leaks\n    return injector;\n}\nfunction rootScopeFactory(i) {\n    return i.get('$rootScope');\n}\nfunction compileFactory(i) {\n    return i.get('$compile');\n}\nfunction parseFactory(i) {\n    return i.get('$parse');\n}\nvar angular1Providers = [\n    // We must use exported named functions for the ng2 factories to keep the compiler happy:\n    // > Metadata collected contains an error that will be reported at runtime:\n    // >   Function calls are not supported.\n    // >   Consider replacing the function or lambda with a reference to an exported function\n    { provide: '$injector', useFactory: injectorFactory, deps: [] },\n    { provide: '$rootScope', useFactory: rootScopeFactory, deps: ['$injector'] },\n    { provide: '$compile', useFactory: compileFactory, deps: ['$injector'] },\n    { provide: '$parse', useFactory: parseFactory, deps: ['$injector'] }\n];\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar NgAdapterInjector = /** @class */ (function () {\n    function NgAdapterInjector(modInjector) {\n        this.modInjector = modInjector;\n    }\n    // When Angular locate a service in the component injector tree, the not found value is set to\n    // `NOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR`. In such a case we should not walk up to the module\n    // injector.\n    // AngularJS only supports a single tree and should always check the module injector.\n    NgAdapterInjector.prototype.get = function (token, notFoundValue) {\n        if (notFoundValue === ɵNOT_FOUND_CHECK_ONLY_ELEMENT_INJECTOR) {\n            return notFoundValue;\n        }\n        return this.modInjector.get(token, notFoundValue);\n    };\n    return NgAdapterInjector;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar moduleUid = 0;\n/**\n * @description\n *\n * A helper function for creating an AngularJS module that can bootstrap an Angular module\n * \"on-demand\" (possibly lazily) when a {@link downgradeComponent downgraded component} needs to be\n * instantiated.\n *\n * *Part of the [upgrade/static](api?query=upgrade/static) library for hybrid upgrade apps that\n * support AOT compilation.*\n *\n * It allows loading/bootstrapping the Angular part of a hybrid application lazily and not having to\n * pay the cost up-front. For example, you can have an AngularJS application that uses Angular for\n * specific routes and only instantiate the Angular modules if/when the user visits one of these\n * routes.\n *\n * The Angular module will be bootstrapped once (when requested for the first time) and the same\n * reference will be used from that point onwards.\n *\n * `downgradeModule()` requires either an `NgModuleFactory` or a function:\n * - `NgModuleFactory`: If you pass an `NgModuleFactory`, it will be used to instantiate a module\n *   using `platformBrowser`'s {@link PlatformRef#bootstrapModuleFactory bootstrapModuleFactory()}.\n * - `Function`: If you pass a function, it is expected to return a promise resolving to an\n *   `NgModuleRef`. The function is called with an array of extra {@link StaticProvider Providers}\n *   that are expected to be available from the returned `NgModuleRef`'s `Injector`.\n *\n * `downgradeModule()` returns the name of the created AngularJS wrapper module. You can use it to\n * declare a dependency in your main AngularJS module.\n *\n * {@example upgrade/static/ts/lite/module.ts region=\"basic-how-to\"}\n *\n * For more details on how to use `downgradeModule()` see\n * [Upgrading for Performance](guide/upgrade-performance).\n *\n * @usageNotes\n *\n * Apart from `UpgradeModule`, you can use the rest of the `upgrade/static` helpers as usual to\n * build a hybrid application. Note that the Angular pieces (e.g. downgraded services) will not be\n * available until the downgraded module has been bootstrapped, i.e. by instantiating a downgraded\n * component.\n *\n * <div class=\"alert is-important\">\n *\n *   You cannot use `downgradeModule()` and `UpgradeModule` in the same hybrid application.<br />\n *   Use one or the other.\n *\n * </div>\n *\n * ### Differences with `UpgradeModule`\n *\n * Besides their different API, there are two important internal differences between\n * `downgradeModule()` and `UpgradeModule` that affect the behavior of hybrid applications:\n *\n * 1. Unlike `UpgradeModule`, `downgradeModule()` does not bootstrap the main AngularJS module\n *    inside the {@link NgZone Angular zone}.\n * 2. Unlike `UpgradeModule`, `downgradeModule()` does not automatically run a\n *    [$digest()](https://docs.angularjs.org/api/ng/type/$rootScope.Scope#$digest) when changes are\n *    detected in the Angular part of the application.\n *\n * What this means is that applications using `UpgradeModule` will run change detection more\n * frequently in order to ensure that both frameworks are properly notified about possible changes.\n * This will inevitably result in more change detection runs than necessary.\n *\n * `downgradeModule()`, on the other side, does not try to tie the two change detection systems as\n * tightly, restricting the explicit change detection runs only to cases where it knows it is\n * necessary (e.g. when the inputs of a downgraded component change). This improves performance,\n * especially in change-detection-heavy applications, but leaves it up to the developer to manually\n * notify each framework as needed.\n *\n * For a more detailed discussion of the differences and their implications, see\n * [Upgrading for Performance](guide/upgrade-performance).\n *\n * <div class=\"alert is-helpful\">\n *\n *   You can manually trigger a change detection run in AngularJS using\n *   [scope.$apply(...)](https://docs.angularjs.org/api/ng/type/$rootScope.Scope#$apply) or\n *   [$rootScope.$digest()](https://docs.angularjs.org/api/ng/type/$rootScope.Scope#$digest).\n *\n *   You can manually trigger a change detection run in Angular using {@link NgZone#run\n *   ngZone.run(...)}.\n *\n * </div>\n *\n * ### Downgrading multiple modules\n *\n * It is possible to downgrade multiple modules and include them in an AngularJS application. In\n * that case, each downgraded module will be bootstrapped when an associated downgraded component or\n * injectable needs to be instantiated.\n *\n * Things to keep in mind, when downgrading multiple modules:\n *\n * - Each downgraded component/injectable needs to be explicitly associated with a downgraded\n *   module. See `downgradeComponent()` and `downgradeInjectable()` for more details.\n *\n * - If you want some injectables to be shared among all downgraded modules, you can provide them as\n *   `StaticProvider`s, when creating the `PlatformRef` (e.g. via `platformBrowser` or\n *   `platformBrowserDynamic`).\n *\n * - When using {@link PlatformRef#bootstrapmodule `bootstrapModule()`} or\n *   {@link PlatformRef#bootstrapmodulefactory `bootstrapModuleFactory()`} to bootstrap the\n *   downgraded modules, each one is considered a \"root\" module. As a consequence, a new instance\n *   will be created for every injectable provided in `\"root\"` (via\n *   {@link Injectable#providedIn `providedIn`}).\n *   If this is not your intention, you can have a shared module (that will act as act as the \"root\"\n *   module) and create all downgraded modules using that module's injector:\n *\n *   {@example upgrade/static/ts/lite-multi-shared/module.ts region=\"shared-root-module\"}\n *\n * @publicApi\n */\nfunction downgradeModule(moduleFactoryOrBootstrapFn) {\n    var lazyModuleName = UPGRADE_MODULE_NAME + \".lazy\" + ++moduleUid;\n    var lazyModuleRefKey = \"\" + LAZY_MODULE_REF + lazyModuleName;\n    var lazyInjectorKey = \"\" + INJECTOR_KEY + lazyModuleName;\n    var bootstrapFn = isFunction(moduleFactoryOrBootstrapFn) ?\n        moduleFactoryOrBootstrapFn :\n        function (extraProviders) {\n            return platformBrowser(extraProviders).bootstrapModuleFactory(moduleFactoryOrBootstrapFn);\n        };\n    var injector;\n    // Create an ng1 module to bootstrap.\n    module_(lazyModuleName, [])\n        .constant(UPGRADE_APP_TYPE_KEY, 3 /* Lite */)\n        .factory(INJECTOR_KEY, [lazyInjectorKey, identity])\n        .factory(lazyInjectorKey, function () {\n        if (!injector) {\n            throw new Error('Trying to get the Angular injector before bootstrapping the corresponding ' +\n                'Angular module.');\n        }\n        return injector;\n    })\n        .factory(LAZY_MODULE_REF, [lazyModuleRefKey, identity])\n        .factory(lazyModuleRefKey, [\n        $INJECTOR,\n        function ($injector) {\n            setTempInjectorRef($injector);\n            var result = {\n                promise: bootstrapFn(angular1Providers).then(function (ref) {\n                    injector = result.injector = new NgAdapterInjector(ref.injector);\n                    injector.get($INJECTOR);\n                    return injector;\n                })\n            };\n            return result;\n        }\n    ])\n        .config([\n        $INJECTOR, $PROVIDE,\n        function ($injector, $provide) {\n            $provide.constant(DOWNGRADED_MODULE_COUNT_KEY, getDowngradedModuleCount($injector) + 1);\n        }\n    ]);\n    return lazyModuleName;\n}\nfunction identity(x) {\n    return x;\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// Constants\nvar REQUIRE_PREFIX_RE = /^(\\^\\^?)?(\\?)?(\\^\\^?)?/;\n// Classes\nvar UpgradeHelper = /** @class */ (function () {\n    function UpgradeHelper(injector, name, elementRef, directive) {\n        this.injector = injector;\n        this.name = name;\n        this.$injector = injector.get($INJECTOR);\n        this.$compile = this.$injector.get($COMPILE);\n        this.$controller = this.$injector.get($CONTROLLER);\n        this.element = elementRef.nativeElement;\n        this.$element = element(this.element);\n        this.directive = directive || UpgradeHelper.getDirective(this.$injector, name);\n    }\n    UpgradeHelper.getDirective = function ($injector, name) {\n        var directives = $injector.get(name + 'Directive');\n        if (directives.length > 1) {\n            throw new Error(\"Only support single directive definition for: \" + name);\n        }\n        var directive = directives[0];\n        // AngularJS will transform `link: xyz` to `compile: () => xyz`. So we can only tell there was a\n        // user-defined `compile` if there is no `link`. In other cases, we will just ignore `compile`.\n        if (directive.compile && !directive.link)\n            notSupported(name, 'compile');\n        if (directive.replace)\n            notSupported(name, 'replace');\n        if (directive.terminal)\n            notSupported(name, 'terminal');\n        return directive;\n    };\n    UpgradeHelper.getTemplate = function ($injector, directive, fetchRemoteTemplate, $element) {\n        if (fetchRemoteTemplate === void 0) { fetchRemoteTemplate = false; }\n        if (directive.template !== undefined) {\n            return getOrCall(directive.template, $element);\n        }\n        else if (directive.templateUrl) {\n            var $templateCache_1 = $injector.get($TEMPLATE_CACHE);\n            var url_1 = getOrCall(directive.templateUrl, $element);\n            var template = $templateCache_1.get(url_1);\n            if (template !== undefined) {\n                return template;\n            }\n            else if (!fetchRemoteTemplate) {\n                throw new Error('loading directive templates asynchronously is not supported');\n            }\n            return new Promise(function (resolve, reject) {\n                var $httpBackend = $injector.get($HTTP_BACKEND);\n                $httpBackend('GET', url_1, null, function (status, response) {\n                    if (status === 200) {\n                        resolve($templateCache_1.put(url_1, response));\n                    }\n                    else {\n                        reject(\"GET component template from '\" + url_1 + \"' returned '\" + status + \": \" + response + \"'\");\n                    }\n                });\n            });\n        }\n        else {\n            throw new Error(\"Directive '\" + directive.name + \"' is not a component, it is missing template.\");\n        }\n    };\n    UpgradeHelper.prototype.buildController = function (controllerType, $scope) {\n        // TODO: Document that we do not pre-assign bindings on the controller instance.\n        // Quoted properties below so that this code can be optimized with Closure Compiler.\n        var locals = { '$scope': $scope, '$element': this.$element };\n        var controller = this.$controller(controllerType, locals, null, this.directive.controllerAs);\n        this.$element.data(controllerKey(this.directive.name), controller);\n        return controller;\n    };\n    UpgradeHelper.prototype.compileTemplate = function (template) {\n        if (template === undefined) {\n            template =\n                UpgradeHelper.getTemplate(this.$injector, this.directive, false, this.$element);\n        }\n        return this.compileHtml(template);\n    };\n    UpgradeHelper.prototype.onDestroy = function ($scope, controllerInstance) {\n        if (controllerInstance && isFunction(controllerInstance.$onDestroy)) {\n            controllerInstance.$onDestroy();\n        }\n        $scope.$destroy();\n        // Clean the jQuery/jqLite data on the component+child elements.\n        // Equivelent to how jQuery/jqLite invoke `cleanData` on an Element (this.element)\n        //  https://github.com/jquery/jquery/blob/e743cbd28553267f955f71ea7248377915613fd9/src/manipulation.js#L223\n        //  https://github.com/angular/angular.js/blob/26ddc5f830f902a3d22f4b2aab70d86d4d688c82/src/jqLite.js#L306-L312\n        // `cleanData` will invoke the AngularJS `$destroy` DOM event\n        //  https://github.com/angular/angular.js/blob/26ddc5f830f902a3d22f4b2aab70d86d4d688c82/src/Angular.js#L1911-L1924\n        element.cleanData([this.element]);\n        element.cleanData(this.element.querySelectorAll('*'));\n    };\n    UpgradeHelper.prototype.prepareTransclusion = function () {\n        var _this = this;\n        var transclude = this.directive.transclude;\n        var contentChildNodes = this.extractChildNodes();\n        var attachChildrenFn = function (scope, cloneAttachFn) {\n            // Since AngularJS v1.5.8, `cloneAttachFn` will try to destroy the transclusion scope if\n            // `$template` is empty. Since the transcluded content comes from Angular, not AngularJS,\n            // there will be no transclusion scope here.\n            // Provide a dummy `scope.$destroy()` method to prevent `cloneAttachFn` from throwing.\n            scope = scope || { $destroy: function () { return undefined; } };\n            return cloneAttachFn($template, scope);\n        };\n        var $template = contentChildNodes;\n        if (transclude) {\n            var slots_1 = Object.create(null);\n            if (typeof transclude === 'object') {\n                $template = [];\n                var slotMap_1 = Object.create(null);\n                var filledSlots_1 = Object.create(null);\n                // Parse the element selectors.\n                Object.keys(transclude).forEach(function (slotName) {\n                    var selector = transclude[slotName];\n                    var optional = selector.charAt(0) === '?';\n                    selector = optional ? selector.substring(1) : selector;\n                    slotMap_1[selector] = slotName;\n                    slots_1[slotName] = null; // `null`: Defined but not yet filled.\n                    filledSlots_1[slotName] = optional; // Consider optional slots as filled.\n                });\n                // Add the matching elements into their slot.\n                contentChildNodes.forEach(function (node) {\n                    var slotName = slotMap_1[directiveNormalize(node.nodeName.toLowerCase())];\n                    if (slotName) {\n                        filledSlots_1[slotName] = true;\n                        slots_1[slotName] = slots_1[slotName] || [];\n                        slots_1[slotName].push(node);\n                    }\n                    else {\n                        $template.push(node);\n                    }\n                });\n                // Check for required slots that were not filled.\n                Object.keys(filledSlots_1).forEach(function (slotName) {\n                    if (!filledSlots_1[slotName]) {\n                        throw new Error(\"Required transclusion slot '\" + slotName + \"' on directive: \" + _this.name);\n                    }\n                });\n                Object.keys(slots_1).filter(function (slotName) { return slots_1[slotName]; }).forEach(function (slotName) {\n                    var nodes = slots_1[slotName];\n                    slots_1[slotName] = function (scope, cloneAttach) {\n                        return cloneAttach(nodes, scope);\n                    };\n                });\n            }\n            // Attach `$$slots` to default slot transclude fn.\n            attachChildrenFn.$$slots = slots_1;\n            // AngularJS v1.6+ ignores empty or whitespace-only transcluded text nodes. But Angular\n            // removes all text content after the first interpolation and updates it later, after\n            // evaluating the expressions. This would result in AngularJS failing to recognize text\n            // nodes that start with an interpolation as transcluded content and use the fallback\n            // content instead.\n            // To avoid this issue, we add a\n            // [zero-width non-joiner character](https://en.wikipedia.org/wiki/Zero-width_non-joiner)\n            // to empty text nodes (which can only be a result of Angular removing their initial content).\n            // NOTE: Transcluded text content that starts with whitespace followed by an interpolation\n            //       will still fail to be detected by AngularJS v1.6+\n            $template.forEach(function (node) {\n                if (node.nodeType === Node.TEXT_NODE && !node.nodeValue) {\n                    node.nodeValue = '\\u200C';\n                }\n            });\n        }\n        return attachChildrenFn;\n    };\n    UpgradeHelper.prototype.resolveAndBindRequiredControllers = function (controllerInstance) {\n        var directiveRequire = this.getDirectiveRequire();\n        var requiredControllers = this.resolveRequire(directiveRequire);\n        if (controllerInstance && this.directive.bindToController && isMap(directiveRequire)) {\n            var requiredControllersMap_1 = requiredControllers;\n            Object.keys(requiredControllersMap_1).forEach(function (key) {\n                controllerInstance[key] = requiredControllersMap_1[key];\n            });\n        }\n        return requiredControllers;\n    };\n    UpgradeHelper.prototype.compileHtml = function (html) {\n        this.element.innerHTML = html;\n        return this.$compile(this.element.childNodes);\n    };\n    UpgradeHelper.prototype.extractChildNodes = function () {\n        var childNodes = [];\n        var childNode;\n        while (childNode = this.element.firstChild) {\n            this.element.removeChild(childNode);\n            childNodes.push(childNode);\n        }\n        return childNodes;\n    };\n    UpgradeHelper.prototype.getDirectiveRequire = function () {\n        var require = this.directive.require || (this.directive.controller && this.directive.name);\n        if (isMap(require)) {\n            Object.keys(require).forEach(function (key) {\n                var value = require[key];\n                var match = value.match(REQUIRE_PREFIX_RE);\n                var name = value.substring(match[0].length);\n                if (!name) {\n                    require[key] = match[0] + key;\n                }\n            });\n        }\n        return require;\n    };\n    UpgradeHelper.prototype.resolveRequire = function (require, controllerInstance) {\n        var _this = this;\n        if (!require) {\n            return null;\n        }\n        else if (Array.isArray(require)) {\n            return require.map(function (req) { return _this.resolveRequire(req); });\n        }\n        else if (typeof require === 'object') {\n            var value_1 = {};\n            Object.keys(require).forEach(function (key) { return value_1[key] = _this.resolveRequire(require[key]); });\n            return value_1;\n        }\n        else if (typeof require === 'string') {\n            var match = require.match(REQUIRE_PREFIX_RE);\n            var inheritType = match[1] || match[3];\n            var name_1 = require.substring(match[0].length);\n            var isOptional = !!match[2];\n            var searchParents = !!inheritType;\n            var startOnParent = inheritType === '^^';\n            var ctrlKey = controllerKey(name_1);\n            var elem = startOnParent ? this.$element.parent() : this.$element;\n            var value = searchParents ? elem.inheritedData(ctrlKey) : elem.data(ctrlKey);\n            if (!value && !isOptional) {\n                throw new Error(\"Unable to find required '\" + require + \"' in upgraded directive '\" + this.name + \"'.\");\n            }\n            return value;\n        }\n        else {\n            throw new Error(\"Unrecognized 'require' syntax on upgraded directive '\" + this.name + \"': \" + require);\n        }\n    };\n    return UpgradeHelper;\n}());\nfunction getOrCall(property) {\n    var args = [];\n    for (var _i = 1; _i < arguments.length; _i++) {\n        args[_i - 1] = arguments[_i];\n    }\n    return isFunction(property) ? property.apply(void 0, __spread(args)) : property;\n}\n// NOTE: Only works for `typeof T !== 'object'`.\nfunction isMap(value) {\n    return value && !Array.isArray(value) && typeof value === 'object';\n}\nfunction notSupported(name, feature) {\n    throw new Error(\"Upgraded directive '\" + name + \"' contains unsupported feature: '\" + feature + \"'.\");\n}\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar NOT_SUPPORTED = 'NOT_SUPPORTED';\nvar INITIAL_VALUE$1 = {\n    __UNINITIALIZED__: true\n};\nvar Bindings = /** @class */ (function () {\n    function Bindings() {\n        this.twoWayBoundProperties = [];\n        this.twoWayBoundLastValues = [];\n        this.expressionBoundProperties = [];\n        this.propertyToOutputMap = {};\n    }\n    return Bindings;\n}());\n/**\n * @description\n *\n * A helper class that allows an AngularJS component to be used from Angular.\n *\n * *Part of the [upgrade/static](api?query=upgrade%2Fstatic)\n * library for hybrid upgrade apps that support AOT compilation.*\n *\n * This helper class should be used as a base class for creating Angular directives\n * that wrap AngularJS components that need to be \"upgraded\".\n *\n * @usageNotes\n * ### Examples\n *\n * Let's assume that you have an AngularJS component called `ng1Hero` that needs\n * to be made available in Angular templates.\n *\n * {@example upgrade/static/ts/full/module.ts region=\"ng1-hero\"}\n *\n * We must create a `Directive` that will make this AngularJS component\n * available inside Angular templates.\n *\n * {@example upgrade/static/ts/full/module.ts region=\"ng1-hero-wrapper\"}\n *\n * In this example you can see that we must derive from the `UpgradeComponent`\n * base class but also provide an {@link Directive `@Directive`} decorator. This is\n * because the AOT compiler requires that this information is statically available at\n * compile time.\n *\n * Note that we must do the following:\n * * specify the directive's selector (`ng1-hero`)\n * * specify all inputs and outputs that the AngularJS component expects\n * * derive from `UpgradeComponent`\n * * call the base class from the constructor, passing\n *   * the AngularJS name of the component (`ng1Hero`)\n *   * the `ElementRef` and `Injector` for the component wrapper\n *\n * @publicApi\n */\nvar UpgradeComponent = /** @class */ (function () {\n    /**\n     * Create a new `UpgradeComponent` instance. You should not normally need to do this.\n     * Instead you should derive a new class from this one and call the super constructor\n     * from the base class.\n     *\n     * {@example upgrade/static/ts/full/module.ts region=\"ng1-hero-wrapper\" }\n     *\n     * * The `name` parameter should be the name of the AngularJS directive.\n     * * The `elementRef` and `injector` parameters should be acquired from Angular by dependency\n     *   injection into the base class constructor.\n     */\n    function UpgradeComponent(name, elementRef, injector) {\n        this.name = name;\n        this.elementRef = elementRef;\n        this.injector = injector;\n        this.helper = new UpgradeHelper(injector, name, elementRef);\n        this.$injector = this.helper.$injector;\n        this.element = this.helper.element;\n        this.$element = this.helper.$element;\n        this.directive = this.helper.directive;\n        this.bindings = this.initializeBindings(this.directive);\n        // We ask for the AngularJS scope from the Angular injector, since\n        // we will put the new component scope onto the new injector for each component\n        var $parentScope = injector.get($SCOPE);\n        // QUESTION 1: Should we create an isolated scope if the scope is only true?\n        // QUESTION 2: Should we make the scope accessible through `$element.scope()/isolateScope()`?\n        this.$componentScope = $parentScope.$new(!!this.directive.scope);\n        this.initializeOutputs();\n    }\n    UpgradeComponent.prototype.ngOnInit = function () {\n        var _this = this;\n        // Collect contents, insert and compile template\n        var attachChildNodes = this.helper.prepareTransclusion();\n        var linkFn = this.helper.compileTemplate();\n        // Instantiate controller\n        var controllerType = this.directive.controller;\n        var bindToController = this.directive.bindToController;\n        if (controllerType) {\n            this.controllerInstance = this.helper.buildController(controllerType, this.$componentScope);\n        }\n        else if (bindToController) {\n            throw new Error(\"Upgraded directive '\" + this.directive.name + \"' specifies 'bindToController' but no controller.\");\n        }\n        // Set up outputs\n        this.bindingDestination = bindToController ? this.controllerInstance : this.$componentScope;\n        this.bindOutputs();\n        // Require other controllers\n        var requiredControllers = this.helper.resolveAndBindRequiredControllers(this.controllerInstance);\n        // Hook: $onChanges\n        if (this.pendingChanges) {\n            this.forwardChanges(this.pendingChanges);\n            this.pendingChanges = null;\n        }\n        // Hook: $onInit\n        if (this.controllerInstance && isFunction(this.controllerInstance.$onInit)) {\n            this.controllerInstance.$onInit();\n        }\n        // Hook: $doCheck\n        if (this.controllerInstance && isFunction(this.controllerInstance.$doCheck)) {\n            var callDoCheck = function () { return _this.controllerInstance.$doCheck(); };\n            this.unregisterDoCheckWatcher = this.$componentScope.$parent.$watch(callDoCheck);\n            callDoCheck();\n        }\n        // Linking\n        var link = this.directive.link;\n        var preLink = typeof link == 'object' && link.pre;\n        var postLink = typeof link == 'object' ? link.post : link;\n        var attrs = NOT_SUPPORTED;\n        var transcludeFn = NOT_SUPPORTED;\n        if (preLink) {\n            preLink(this.$componentScope, this.$element, attrs, requiredControllers, transcludeFn);\n        }\n        linkFn(this.$componentScope, null, { parentBoundTranscludeFn: attachChildNodes });\n        if (postLink) {\n            postLink(this.$componentScope, this.$element, attrs, requiredControllers, transcludeFn);\n        }\n        // Hook: $postLink\n        if (this.controllerInstance && isFunction(this.controllerInstance.$postLink)) {\n            this.controllerInstance.$postLink();\n        }\n    };\n    UpgradeComponent.prototype.ngOnChanges = function (changes) {\n        if (!this.bindingDestination) {\n            this.pendingChanges = changes;\n        }\n        else {\n            this.forwardChanges(changes);\n        }\n    };\n    UpgradeComponent.prototype.ngDoCheck = function () {\n        var _this = this;\n        var twoWayBoundProperties = this.bindings.twoWayBoundProperties;\n        var twoWayBoundLastValues = this.bindings.twoWayBoundLastValues;\n        var propertyToOutputMap = this.bindings.propertyToOutputMap;\n        twoWayBoundProperties.forEach(function (propName, idx) {\n            var newValue = _this.bindingDestination[propName];\n            var oldValue = twoWayBoundLastValues[idx];\n            if (!ɵlooseIdentical(newValue, oldValue)) {\n                var outputName = propertyToOutputMap[propName];\n                var eventEmitter = _this[outputName];\n                eventEmitter.emit(newValue);\n                twoWayBoundLastValues[idx] = newValue;\n            }\n        });\n    };\n    UpgradeComponent.prototype.ngOnDestroy = function () {\n        if (isFunction(this.unregisterDoCheckWatcher)) {\n            this.unregisterDoCheckWatcher();\n        }\n        this.helper.onDestroy(this.$componentScope, this.controllerInstance);\n    };\n    UpgradeComponent.prototype.initializeBindings = function (directive) {\n        var _this = this;\n        var btcIsObject = typeof directive.bindToController === 'object';\n        if (btcIsObject && Object.keys(directive.scope).length) {\n            throw new Error(\"Binding definitions on scope and controller at the same time is not supported.\");\n        }\n        var context = btcIsObject ? directive.bindToController : directive.scope;\n        var bindings = new Bindings();\n        if (typeof context == 'object') {\n            Object.keys(context).forEach(function (propName) {\n                var definition = context[propName];\n                var bindingType = definition.charAt(0);\n                // QUESTION: What about `=*`? Ignore? Throw? Support?\n                switch (bindingType) {\n                    case '@':\n                    case '<':\n                        // We don't need to do anything special. They will be defined as inputs on the\n                        // upgraded component facade and the change propagation will be handled by\n                        // `ngOnChanges()`.\n                        break;\n                    case '=':\n                        bindings.twoWayBoundProperties.push(propName);\n                        bindings.twoWayBoundLastValues.push(INITIAL_VALUE$1);\n                        bindings.propertyToOutputMap[propName] = propName + 'Change';\n                        break;\n                    case '&':\n                        bindings.expressionBoundProperties.push(propName);\n                        bindings.propertyToOutputMap[propName] = propName;\n                        break;\n                    default:\n                        var json = JSON.stringify(context);\n                        throw new Error(\"Unexpected mapping '\" + bindingType + \"' in '\" + json + \"' in '\" + _this.name + \"' directive.\");\n                }\n            });\n        }\n        return bindings;\n    };\n    UpgradeComponent.prototype.initializeOutputs = function () {\n        var _this = this;\n        // Initialize the outputs for `=` and `&` bindings\n        this.bindings.twoWayBoundProperties.concat(this.bindings.expressionBoundProperties)\n            .forEach(function (propName) {\n            var outputName = _this.bindings.propertyToOutputMap[propName];\n            _this[outputName] = new EventEmitter();\n        });\n    };\n    UpgradeComponent.prototype.bindOutputs = function () {\n        var _this = this;\n        // Bind `&` bindings to the corresponding outputs\n        this.bindings.expressionBoundProperties.forEach(function (propName) {\n            var outputName = _this.bindings.propertyToOutputMap[propName];\n            var emitter = _this[outputName];\n            _this.bindingDestination[propName] = function (value) { return emitter.emit(value); };\n        });\n    };\n    UpgradeComponent.prototype.forwardChanges = function (changes) {\n        var _this = this;\n        // Forward input changes to `bindingDestination`\n        Object.keys(changes).forEach(function (propName) { return _this.bindingDestination[propName] = changes[propName].currentValue; });\n        if (isFunction(this.bindingDestination.$onChanges)) {\n            this.bindingDestination.$onChanges(changes);\n        }\n    };\n    return UpgradeComponent;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * @description\n *\n * An `NgModule`, which you import to provide AngularJS core services,\n * and has an instance method used to bootstrap the hybrid upgrade application.\n *\n * *Part of the [upgrade/static](api?query=upgrade/static)\n * library for hybrid upgrade apps that support AOT compilation*\n *\n * The `upgrade/static` package contains helpers that allow AngularJS and Angular components\n * to be used together inside a hybrid upgrade application, which supports AOT compilation.\n *\n * Specifically, the classes and functions in the `upgrade/static` module allow the following:\n *\n * 1. Creation of an Angular directive that wraps and exposes an AngularJS component so\n *    that it can be used in an Angular template. See `UpgradeComponent`.\n * 2. Creation of an AngularJS directive that wraps and exposes an Angular component so\n *    that it can be used in an AngularJS template. See `downgradeComponent`.\n * 3. Creation of an Angular root injector provider that wraps and exposes an AngularJS\n *    service so that it can be injected into an Angular context. See\n *    {@link UpgradeModule#upgrading-an-angular-1-service Upgrading an AngularJS service} below.\n * 4. Creation of an AngularJS service that wraps and exposes an Angular injectable\n *    so that it can be injected into an AngularJS context. See `downgradeInjectable`.\n * 3. Bootstrapping of a hybrid Angular application which contains both of the frameworks\n *    coexisting in a single application.\n *\n * @usageNotes\n *\n * ```ts\n * import {UpgradeModule} from '@angular/upgrade/static';\n * ```\n *\n * See also the {@link UpgradeModule#examples examples} below.\n *\n * ### Mental Model\n *\n * When reasoning about how a hybrid application works it is useful to have a mental model which\n * describes what is happening and explains what is happening at the lowest level.\n *\n * 1. There are two independent frameworks running in a single application, each framework treats\n *    the other as a black box.\n * 2. Each DOM element on the page is owned exactly by one framework. Whichever framework\n *    instantiated the element is the owner. Each framework only updates/interacts with its own\n *    DOM elements and ignores others.\n * 3. AngularJS directives always execute inside the AngularJS framework codebase regardless of\n *    where they are instantiated.\n * 4. Angular components always execute inside the Angular framework codebase regardless of\n *    where they are instantiated.\n * 5. An AngularJS component can be \"upgraded\"\" to an Angular component. This is achieved by\n *    defining an Angular directive, which bootstraps the AngularJS component at its location\n *    in the DOM. See `UpgradeComponent`.\n * 6. An Angular component can be \"downgraded\" to an AngularJS component. This is achieved by\n *    defining an AngularJS directive, which bootstraps the Angular component at its location\n *    in the DOM. See `downgradeComponent`.\n * 7. Whenever an \"upgraded\"/\"downgraded\" component is instantiated the host element is owned by\n *    the framework doing the instantiation. The other framework then instantiates and owns the\n *    view for that component.\n *    1. This implies that the component bindings will always follow the semantics of the\n *       instantiation framework.\n *    2. The DOM attributes are parsed by the framework that owns the current template. So\n *       attributes in AngularJS templates must use kebab-case, while AngularJS templates must use\n *       camelCase.\n *    3. However the template binding syntax will always use the Angular style, e.g. square\n *       brackets (`[...]`) for property binding.\n * 8. Angular is bootstrapped first; AngularJS is bootstrapped second. AngularJS always owns the\n *    root component of the application.\n * 9. The new application is running in an Angular zone, and therefore it no longer needs calls to\n *    `$apply()`.\n *\n * ### The `UpgradeModule` class\n *\n * This class is an `NgModule`, which you import to provide AngularJS core services,\n * and has an instance method used to bootstrap the hybrid upgrade application.\n *\n * * Core AngularJS services\n *   Importing this `NgModule` will add providers for the core\n *   [AngularJS services](https://docs.angularjs.org/api/ng/service) to the root injector.\n *\n * * Bootstrap\n *   The runtime instance of this class contains a {@link UpgradeModule#bootstrap `bootstrap()`}\n *   method, which you use to bootstrap the top level AngularJS module onto an element in the\n *   DOM for the hybrid upgrade app.\n *\n *   It also contains properties to access the {@link UpgradeModule#injector root injector}, the\n *   bootstrap `NgZone` and the\n *   [AngularJS $injector](https://docs.angularjs.org/api/auto/service/$injector).\n *\n * ### Examples\n *\n * Import the `UpgradeModule` into your top level {@link NgModule Angular `NgModule`}.\n *\n * {@example upgrade/static/ts/full/module.ts region='ng2-module'}\n *\n * Then inject `UpgradeModule` into your Angular `NgModule` and use it to bootstrap the top level\n * [AngularJS module](https://docs.angularjs.org/api/ng/type/angular.Module) in the\n * `ngDoBootstrap()` method.\n *\n * {@example upgrade/static/ts/full/module.ts region='bootstrap-ng1'}\n *\n * Finally, kick off the whole process, by bootstraping your top level Angular `NgModule`.\n *\n * {@example upgrade/static/ts/full/module.ts region='bootstrap-ng2'}\n *\n * {@a upgrading-an-angular-1-service}\n * ### Upgrading an AngularJS service\n *\n * There is no specific API for upgrading an AngularJS service. Instead you should just follow the\n * following recipe:\n *\n * Let's say you have an AngularJS service:\n *\n * {@example upgrade/static/ts/full/module.ts region=\"ng1-text-formatter-service\"}\n *\n * Then you should define an Angular provider to be included in your `NgModule` `providers`\n * property.\n *\n * {@example upgrade/static/ts/full/module.ts region=\"upgrade-ng1-service\"}\n *\n * Then you can use the \"upgraded\" AngularJS service by injecting it into an Angular component\n * or service.\n *\n * {@example upgrade/static/ts/full/module.ts region=\"use-ng1-upgraded-service\"}\n *\n * @publicApi\n */\nvar UpgradeModule = /** @class */ (function () {\n    function UpgradeModule(\n    /** The root `Injector` for the upgrade application. */\n    injector, \n    /** The bootstrap zone for the upgrade application */\n    ngZone) {\n        this.ngZone = ngZone;\n        this.injector = new NgAdapterInjector(injector);\n    }\n    /**\n     * Bootstrap an AngularJS application from this NgModule\n     * @param element the element on which to bootstrap the AngularJS application\n     * @param [modules] the AngularJS modules to bootstrap for this application\n     * @param [config] optional extra AngularJS bootstrap configuration\n     */\n    UpgradeModule.prototype.bootstrap = function (element$1, modules, config /*angular.IAngularBootstrapConfig*/) {\n        var _this = this;\n        if (modules === void 0) { modules = []; }\n        var INIT_MODULE_NAME = UPGRADE_MODULE_NAME + '.init';\n        // Create an ng1 module to bootstrap\n        var initModule = module_(INIT_MODULE_NAME, [])\n            .constant(UPGRADE_APP_TYPE_KEY, 2 /* Static */)\n            .value(INJECTOR_KEY, this.injector)\n            .factory(LAZY_MODULE_REF, [INJECTOR_KEY, function (injector) { return ({ injector: injector }); }])\n            .config([\n            $PROVIDE, $INJECTOR,\n            function ($provide, $injector) {\n                if ($injector.has($$TESTABILITY)) {\n                    $provide.decorator($$TESTABILITY, [\n                        $DELEGATE,\n                        function (testabilityDelegate) {\n                            var originalWhenStable = testabilityDelegate.whenStable;\n                            var injector = _this.injector;\n                            // Cannot use arrow function below because we need the context\n                            var newWhenStable = function (callback) {\n                                originalWhenStable.call(testabilityDelegate, function () {\n                                    var ng2Testability = injector.get(Testability);\n                                    if (ng2Testability.isStable()) {\n                                        callback();\n                                    }\n                                    else {\n                                        ng2Testability.whenStable(newWhenStable.bind(testabilityDelegate, callback));\n                                    }\n                                });\n                            };\n                            testabilityDelegate.whenStable = newWhenStable;\n                            return testabilityDelegate;\n                        }\n                    ]);\n                }\n                if ($injector.has($INTERVAL)) {\n                    $provide.decorator($INTERVAL, [\n                        $DELEGATE,\n                        function (intervalDelegate) {\n                            // Wrap the $interval service so that setInterval is called outside NgZone,\n                            // but the callback is still invoked within it. This is so that $interval\n                            // won't block stability, which preserves the behavior from AngularJS.\n                            var wrappedInterval = function (fn, delay, count, invokeApply) {\n                                var pass = [];\n                                for (var _i = 4; _i < arguments.length; _i++) {\n                                    pass[_i - 4] = arguments[_i];\n                                }\n                                return _this.ngZone.runOutsideAngular(function () {\n                                    return intervalDelegate.apply(void 0, __spread([function () {\n                                            var args = [];\n                                            for (var _i = 0; _i < arguments.length; _i++) {\n                                                args[_i] = arguments[_i];\n                                            }\n                                            // Run callback in the next VM turn - $interval calls\n                                            // $rootScope.$apply, and running the callback in NgZone will\n                                            // cause a '$digest already in progress' error if it's in the\n                                            // same vm turn.\n                                            setTimeout(function () { _this.ngZone.run(function () { return fn.apply(void 0, __spread(args)); }); });\n                                        }, delay, count, invokeApply], pass));\n                                });\n                            };\n                            wrappedInterval['cancel'] = intervalDelegate.cancel;\n                            return wrappedInterval;\n                        }\n                    ]);\n                }\n            }\n        ])\n            .run([\n            $INJECTOR,\n            function ($injector) {\n                _this.$injector = $injector;\n                // Initialize the ng1 $injector provider\n                setTempInjectorRef($injector);\n                _this.injector.get($INJECTOR);\n                // Put the injector on the DOM, so that it can be \"required\"\n                element(element$1).data(controllerKey(INJECTOR_KEY), _this.injector);\n                // Wire up the ng1 rootScope to run a digest cycle whenever the zone settles\n                // We need to do this in the next tick so that we don't prevent the bootup\n                // stabilizing\n                setTimeout(function () {\n                    var $rootScope = $injector.get('$rootScope');\n                    var subscription = _this.ngZone.onMicrotaskEmpty.subscribe(function () {\n                        if ($rootScope.$$phase) {\n                            if (isDevMode()) {\n                                console.warn('A digest was triggered while one was already in progress. This may mean that something is triggering digests outside the Angular zone.');\n                            }\n                            return $rootScope.$evalAsync();\n                        }\n                        return $rootScope.$digest();\n                    });\n                    $rootScope.$on('$destroy', function () { subscription.unsubscribe(); });\n                }, 0);\n            }\n        ]);\n        var upgradeModule = module_(UPGRADE_MODULE_NAME, [INIT_MODULE_NAME].concat(modules));\n        // Make sure resumeBootstrap() only exists if the current bootstrap is deferred\n        var windowAngular = window['angular'];\n        windowAngular.resumeBootstrap = undefined;\n        // Bootstrap the AngularJS application inside our zone\n        this.ngZone.run(function () { bootstrap(element$1, [upgradeModule.name], config); });\n        // Patch resumeBootstrap() to run inside the ngZone\n        if (windowAngular.resumeBootstrap) {\n            var originalResumeBootstrap_1 = windowAngular.resumeBootstrap;\n            var ngZone_1 = this.ngZone;\n            windowAngular.resumeBootstrap = function () {\n                var _this = this;\n                var args = arguments;\n                windowAngular.resumeBootstrap = originalResumeBootstrap_1;\n                return ngZone_1.run(function () { return windowAngular.resumeBootstrap.apply(_this, args); });\n            };\n        }\n    };\n    UpgradeModule = __decorate([\n        NgModule({ providers: [angular1Providers] }),\n        __metadata(\"design:paramtypes\", [Injector,\n            NgZone])\n    ], UpgradeModule);\n    return UpgradeModule;\n}());\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n// This file only re-exports items to appear in the public api. Keep it that way.\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { UpgradeComponent, UpgradeModule, VERSION, downgradeComponent, downgradeInjectable, downgradeModule, getAngularJSGlobal, getAngularLib, setAngularJSGlobal, setAngularLib, injectorFactory as ɵangular_packages_upgrade_static_static_a, rootScopeFactory as ɵangular_packages_upgrade_static_static_b, compileFactory as ɵangular_packages_upgrade_static_static_c, parseFactory as ɵangular_packages_upgrade_static_static_d, angular1Providers as ɵangular_packages_upgrade_static_static_e };\n","import { coerceNumberProperty } from '@angular/cdk/coercion';\nimport { InjectionToken, Directive, forwardRef, Input, Injectable, NgZone, ɵɵdefineInjectable, ɵɵinject, ElementRef, Optional, Component, ViewEncapsulation, ChangeDetectionStrategy, ChangeDetectorRef, Inject, Output, ViewChild, ViewContainerRef, TemplateRef, IterableDiffers, SkipSelf, NgModule } from '@angular/core';\nimport { Subject, of, Observable, fromEvent, merge, animationFrameScheduler, asapScheduler, Subscription } from 'rxjs';\nimport { distinctUntilChanged, auditTime, filter, takeUntil, startWith, pairwise, switchMap, shareReplay } from 'rxjs/operators';\nimport { Platform, getRtlScrollAxisType, RtlScrollAxisType, supportsScrollBehavior, PlatformModule } from '@angular/cdk/platform';\nimport { Directionality, BidiModule } from '@angular/cdk/bidi';\nimport { __extends, __values, __read } from 'tslib';\nimport { isDataSource, ArrayDataSource } from '@angular/cdk/collections';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** The injection token used to specify the virtual scrolling strategy. */\nvar VIRTUAL_SCROLL_STRATEGY = new InjectionToken('VIRTUAL_SCROLL_STRATEGY');\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Virtual scrolling strategy for lists with items of known fixed size. */\nvar FixedSizeVirtualScrollStrategy = /** @class */ (function () {\n    /**\n     * @param itemSize The size of the items in the virtually scrolling list.\n     * @param minBufferPx The minimum amount of buffer (in pixels) before needing to render more\n     * @param maxBufferPx The amount of buffer (in pixels) to render when rendering more.\n     */\n    function FixedSizeVirtualScrollStrategy(itemSize, minBufferPx, maxBufferPx) {\n        this._scrolledIndexChange = new Subject();\n        /** @docs-private Implemented as part of VirtualScrollStrategy. */\n        this.scrolledIndexChange = this._scrolledIndexChange.pipe(distinctUntilChanged());\n        /** The attached viewport. */\n        this._viewport = null;\n        this._itemSize = itemSize;\n        this._minBufferPx = minBufferPx;\n        this._maxBufferPx = maxBufferPx;\n    }\n    /**\n     * Attaches this scroll strategy to a viewport.\n     * @param viewport The viewport to attach this strategy to.\n     */\n    FixedSizeVirtualScrollStrategy.prototype.attach = function (viewport) {\n        this._viewport = viewport;\n        this._updateTotalContentSize();\n        this._updateRenderedRange();\n    };\n    /** Detaches this scroll strategy from the currently attached viewport. */\n    FixedSizeVirtualScrollStrategy.prototype.detach = function () {\n        this._scrolledIndexChange.complete();\n        this._viewport = null;\n    };\n    /**\n     * Update the item size and buffer size.\n     * @param itemSize The size of the items in the virtually scrolling list.\n     * @param minBufferPx The minimum amount of buffer (in pixels) before needing to render more\n     * @param maxBufferPx The amount of buffer (in pixels) to render when rendering more.\n     */\n    FixedSizeVirtualScrollStrategy.prototype.updateItemAndBufferSize = function (itemSize, minBufferPx, maxBufferPx) {\n        if (maxBufferPx < minBufferPx) {\n            throw Error('CDK virtual scroll: maxBufferPx must be greater than or equal to minBufferPx');\n        }\n        this._itemSize = itemSize;\n        this._minBufferPx = minBufferPx;\n        this._maxBufferPx = maxBufferPx;\n        this._updateTotalContentSize();\n        this._updateRenderedRange();\n    };\n    /** @docs-private Implemented as part of VirtualScrollStrategy. */\n    FixedSizeVirtualScrollStrategy.prototype.onContentScrolled = function () {\n        this._updateRenderedRange();\n    };\n    /** @docs-private Implemented as part of VirtualScrollStrategy. */\n    FixedSizeVirtualScrollStrategy.prototype.onDataLengthChanged = function () {\n        this._updateTotalContentSize();\n        this._updateRenderedRange();\n    };\n    /** @docs-private Implemented as part of VirtualScrollStrategy. */\n    FixedSizeVirtualScrollStrategy.prototype.onContentRendered = function () { };\n    /** @docs-private Implemented as part of VirtualScrollStrategy. */\n    FixedSizeVirtualScrollStrategy.prototype.onRenderedOffsetChanged = function () { };\n    /**\n     * Scroll to the offset for the given index.\n     * @param index The index of the element to scroll to.\n     * @param behavior The ScrollBehavior to use when scrolling.\n     */\n    FixedSizeVirtualScrollStrategy.prototype.scrollToIndex = function (index, behavior) {\n        if (this._viewport) {\n            this._viewport.scrollToOffset(index * this._itemSize, behavior);\n        }\n    };\n    /** Update the viewport's total content size. */\n    FixedSizeVirtualScrollStrategy.prototype._updateTotalContentSize = function () {\n        if (!this._viewport) {\n            return;\n        }\n        this._viewport.setTotalContentSize(this._viewport.getDataLength() * this._itemSize);\n    };\n    /** Update the viewport's rendered range. */\n    FixedSizeVirtualScrollStrategy.prototype._updateRenderedRange = function () {\n        if (!this._viewport) {\n            return;\n        }\n        var scrollOffset = this._viewport.measureScrollOffset();\n        var firstVisibleIndex = scrollOffset / this._itemSize;\n        var renderedRange = this._viewport.getRenderedRange();\n        var newRange = { start: renderedRange.start, end: renderedRange.end };\n        var viewportSize = this._viewport.getViewportSize();\n        var dataLength = this._viewport.getDataLength();\n        var startBuffer = scrollOffset - newRange.start * this._itemSize;\n        if (startBuffer < this._minBufferPx && newRange.start != 0) {\n            var expandStart = Math.ceil((this._maxBufferPx - startBuffer) / this._itemSize);\n            newRange.start = Math.max(0, newRange.start - expandStart);\n            newRange.end = Math.min(dataLength, Math.ceil(firstVisibleIndex + (viewportSize + this._minBufferPx) / this._itemSize));\n        }\n        else {\n            var endBuffer = newRange.end * this._itemSize - (scrollOffset + viewportSize);\n            if (endBuffer < this._minBufferPx && newRange.end != dataLength) {\n                var expandEnd = Math.ceil((this._maxBufferPx - endBuffer) / this._itemSize);\n                if (expandEnd > 0) {\n                    newRange.end = Math.min(dataLength, newRange.end + expandEnd);\n                    newRange.start = Math.max(0, Math.floor(firstVisibleIndex - this._minBufferPx / this._itemSize));\n                }\n            }\n        }\n        this._viewport.setRenderedRange(newRange);\n        this._viewport.setRenderedContentOffset(this._itemSize * newRange.start);\n        this._scrolledIndexChange.next(Math.floor(firstVisibleIndex));\n    };\n    return FixedSizeVirtualScrollStrategy;\n}());\n/**\n * Provider factory for `FixedSizeVirtualScrollStrategy` that simply extracts the already created\n * `FixedSizeVirtualScrollStrategy` from the given directive.\n * @param fixedSizeDir The instance of `CdkFixedSizeVirtualScroll` to extract the\n *     `FixedSizeVirtualScrollStrategy` from.\n */\nfunction _fixedSizeVirtualScrollStrategyFactory(fixedSizeDir) {\n    return fixedSizeDir._scrollStrategy;\n}\n/** A virtual scroll strategy that supports fixed-size items. */\nvar CdkFixedSizeVirtualScroll = /** @class */ (function () {\n    function CdkFixedSizeVirtualScroll() {\n        this._itemSize = 20;\n        this._minBufferPx = 100;\n        this._maxBufferPx = 200;\n        /** The scroll strategy used by this directive. */\n        this._scrollStrategy = new FixedSizeVirtualScrollStrategy(this.itemSize, this.minBufferPx, this.maxBufferPx);\n    }\n    Object.defineProperty(CdkFixedSizeVirtualScroll.prototype, \"itemSize\", {\n        /** The size of the items in the list (in pixels). */\n        get: function () { return this._itemSize; },\n        set: function (value) { this._itemSize = coerceNumberProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkFixedSizeVirtualScroll.prototype, \"minBufferPx\", {\n        /**\n         * The minimum amount of buffer rendered beyond the viewport (in pixels).\n         * If the amount of buffer dips below this number, more items will be rendered. Defaults to 100px.\n         */\n        get: function () { return this._minBufferPx; },\n        set: function (value) { this._minBufferPx = coerceNumberProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkFixedSizeVirtualScroll.prototype, \"maxBufferPx\", {\n        /**\n         * The number of pixels worth of buffer to render for when rendering new items. Defaults to 200px.\n         */\n        get: function () { return this._maxBufferPx; },\n        set: function (value) { this._maxBufferPx = coerceNumberProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    CdkFixedSizeVirtualScroll.prototype.ngOnChanges = function () {\n        this._scrollStrategy.updateItemAndBufferSize(this.itemSize, this.minBufferPx, this.maxBufferPx);\n    };\n    CdkFixedSizeVirtualScroll.decorators = [\n        { type: Directive, args: [{\n                    selector: 'cdk-virtual-scroll-viewport[itemSize]',\n                    providers: [{\n                            provide: VIRTUAL_SCROLL_STRATEGY,\n                            useFactory: _fixedSizeVirtualScrollStrategyFactory,\n                            deps: [forwardRef(function () { return CdkFixedSizeVirtualScroll; })],\n                        }],\n                },] }\n    ];\n    CdkFixedSizeVirtualScroll.propDecorators = {\n        itemSize: [{ type: Input }],\n        minBufferPx: [{ type: Input }],\n        maxBufferPx: [{ type: Input }]\n    };\n    return CdkFixedSizeVirtualScroll;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Time in ms to throttle the scrolling events by default. */\nvar DEFAULT_SCROLL_TIME = 20;\n/**\n * Service contained all registered Scrollable references and emits an event when any one of the\n * Scrollable references emit a scrolled event.\n */\nvar ScrollDispatcher = /** @class */ (function () {\n    function ScrollDispatcher(_ngZone, _platform) {\n        this._ngZone = _ngZone;\n        this._platform = _platform;\n        /** Subject for notifying that a registered scrollable reference element has been scrolled. */\n        this._scrolled = new Subject();\n        /** Keeps track of the global `scroll` and `resize` subscriptions. */\n        this._globalSubscription = null;\n        /** Keeps track of the amount of subscriptions to `scrolled`. Used for cleaning up afterwards. */\n        this._scrolledCount = 0;\n        /**\n         * Map of all the scrollable references that are registered with the service and their\n         * scroll event subscriptions.\n         */\n        this.scrollContainers = new Map();\n    }\n    /**\n     * Registers a scrollable instance with the service and listens for its scrolled events. When the\n     * scrollable is scrolled, the service emits the event to its scrolled observable.\n     * @param scrollable Scrollable instance to be registered.\n     */\n    ScrollDispatcher.prototype.register = function (scrollable) {\n        var _this = this;\n        if (!this.scrollContainers.has(scrollable)) {\n            this.scrollContainers.set(scrollable, scrollable.elementScrolled()\n                .subscribe(function () { return _this._scrolled.next(scrollable); }));\n        }\n    };\n    /**\n     * Deregisters a Scrollable reference and unsubscribes from its scroll event observable.\n     * @param scrollable Scrollable instance to be deregistered.\n     */\n    ScrollDispatcher.prototype.deregister = function (scrollable) {\n        var scrollableReference = this.scrollContainers.get(scrollable);\n        if (scrollableReference) {\n            scrollableReference.unsubscribe();\n            this.scrollContainers.delete(scrollable);\n        }\n    };\n    /**\n     * Returns an observable that emits an event whenever any of the registered Scrollable\n     * references (or window, document, or body) fire a scrolled event. Can provide a time in ms\n     * to override the default \"throttle\" time.\n     *\n     * **Note:** in order to avoid hitting change detection for every scroll event,\n     * all of the events emitted from this stream will be run outside the Angular zone.\n     * If you need to update any data bindings as a result of a scroll event, you have\n     * to run the callback using `NgZone.run`.\n     */\n    ScrollDispatcher.prototype.scrolled = function (auditTimeInMs) {\n        var _this = this;\n        if (auditTimeInMs === void 0) { auditTimeInMs = DEFAULT_SCROLL_TIME; }\n        if (!this._platform.isBrowser) {\n            return of();\n        }\n        return new Observable(function (observer) {\n            if (!_this._globalSubscription) {\n                _this._addGlobalListener();\n            }\n            // In the case of a 0ms delay, use an observable without auditTime\n            // since it does add a perceptible delay in processing overhead.\n            var subscription = auditTimeInMs > 0 ?\n                _this._scrolled.pipe(auditTime(auditTimeInMs)).subscribe(observer) :\n                _this._scrolled.subscribe(observer);\n            _this._scrolledCount++;\n            return function () {\n                subscription.unsubscribe();\n                _this._scrolledCount--;\n                if (!_this._scrolledCount) {\n                    _this._removeGlobalListener();\n                }\n            };\n        });\n    };\n    ScrollDispatcher.prototype.ngOnDestroy = function () {\n        var _this = this;\n        this._removeGlobalListener();\n        this.scrollContainers.forEach(function (_, container) { return _this.deregister(container); });\n        this._scrolled.complete();\n    };\n    /**\n     * Returns an observable that emits whenever any of the\n     * scrollable ancestors of an element are scrolled.\n     * @param elementRef Element whose ancestors to listen for.\n     * @param auditTimeInMs Time to throttle the scroll events.\n     */\n    ScrollDispatcher.prototype.ancestorScrolled = function (elementRef, auditTimeInMs) {\n        var ancestors = this.getAncestorScrollContainers(elementRef);\n        return this.scrolled(auditTimeInMs).pipe(filter(function (target) {\n            return !target || ancestors.indexOf(target) > -1;\n        }));\n    };\n    /** Returns all registered Scrollables that contain the provided element. */\n    ScrollDispatcher.prototype.getAncestorScrollContainers = function (elementRef) {\n        var _this = this;\n        var scrollingContainers = [];\n        this.scrollContainers.forEach(function (_subscription, scrollable) {\n            if (_this._scrollableContainsElement(scrollable, elementRef)) {\n                scrollingContainers.push(scrollable);\n            }\n        });\n        return scrollingContainers;\n    };\n    /** Returns true if the element is contained within the provided Scrollable. */\n    ScrollDispatcher.prototype._scrollableContainsElement = function (scrollable, elementRef) {\n        var element = elementRef.nativeElement;\n        var scrollableElement = scrollable.getElementRef().nativeElement;\n        // Traverse through the element parents until we reach null, checking if any of the elements\n        // are the scrollable's element.\n        do {\n            if (element == scrollableElement) {\n                return true;\n            }\n        } while (element = element.parentElement);\n        return false;\n    };\n    /** Sets up the global scroll listeners. */\n    ScrollDispatcher.prototype._addGlobalListener = function () {\n        var _this = this;\n        this._globalSubscription = this._ngZone.runOutsideAngular(function () {\n            return fromEvent(window.document, 'scroll').subscribe(function () { return _this._scrolled.next(); });\n        });\n    };\n    /** Cleans up the global scroll listener. */\n    ScrollDispatcher.prototype._removeGlobalListener = function () {\n        if (this._globalSubscription) {\n            this._globalSubscription.unsubscribe();\n            this._globalSubscription = null;\n        }\n    };\n    ScrollDispatcher.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    ScrollDispatcher.ctorParameters = function () { return [\n        { type: NgZone },\n        { type: Platform }\n    ]; };\n    ScrollDispatcher.ɵprov = ɵɵdefineInjectable({ factory: function ScrollDispatcher_Factory() { return new ScrollDispatcher(ɵɵinject(NgZone), ɵɵinject(Platform)); }, token: ScrollDispatcher, providedIn: \"root\" });\n    return ScrollDispatcher;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Sends an event when the directive's element is scrolled. Registers itself with the\n * ScrollDispatcher service to include itself as part of its collection of scrolling events that it\n * can be listened to through the service.\n */\nvar CdkScrollable = /** @class */ (function () {\n    function CdkScrollable(elementRef, scrollDispatcher, ngZone, dir) {\n        var _this = this;\n        this.elementRef = elementRef;\n        this.scrollDispatcher = scrollDispatcher;\n        this.ngZone = ngZone;\n        this.dir = dir;\n        this._destroyed = new Subject();\n        this._elementScrolled = new Observable(function (observer) {\n            return _this.ngZone.runOutsideAngular(function () {\n                return fromEvent(_this.elementRef.nativeElement, 'scroll').pipe(takeUntil(_this._destroyed))\n                    .subscribe(observer);\n            });\n        });\n    }\n    CdkScrollable.prototype.ngOnInit = function () {\n        this.scrollDispatcher.register(this);\n    };\n    CdkScrollable.prototype.ngOnDestroy = function () {\n        this.scrollDispatcher.deregister(this);\n        this._destroyed.next();\n        this._destroyed.complete();\n    };\n    /** Returns observable that emits when a scroll event is fired on the host element. */\n    CdkScrollable.prototype.elementScrolled = function () {\n        return this._elementScrolled;\n    };\n    /** Gets the ElementRef for the viewport. */\n    CdkScrollable.prototype.getElementRef = function () {\n        return this.elementRef;\n    };\n    /**\n     * Scrolls to the specified offsets. This is a normalized version of the browser's native scrollTo\n     * method, since browsers are not consistent about what scrollLeft means in RTL. For this method\n     * left and right always refer to the left and right side of the scrolling container irrespective\n     * of the layout direction. start and end refer to left and right in an LTR context and vice-versa\n     * in an RTL context.\n     * @param options specified the offsets to scroll to.\n     */\n    CdkScrollable.prototype.scrollTo = function (options) {\n        var el = this.elementRef.nativeElement;\n        var isRtl = this.dir && this.dir.value == 'rtl';\n        // Rewrite start & end offsets as right or left offsets.\n        options.left = options.left == null ? (isRtl ? options.end : options.start) : options.left;\n        options.right = options.right == null ? (isRtl ? options.start : options.end) : options.right;\n        // Rewrite the bottom offset as a top offset.\n        if (options.bottom != null) {\n            options.top =\n                el.scrollHeight - el.clientHeight - options.bottom;\n        }\n        // Rewrite the right offset as a left offset.\n        if (isRtl && getRtlScrollAxisType() != RtlScrollAxisType.NORMAL) {\n            if (options.left != null) {\n                options.right =\n                    el.scrollWidth - el.clientWidth - options.left;\n            }\n            if (getRtlScrollAxisType() == RtlScrollAxisType.INVERTED) {\n                options.left = options.right;\n            }\n            else if (getRtlScrollAxisType() == RtlScrollAxisType.NEGATED) {\n                options.left = options.right ? -options.right : options.right;\n            }\n        }\n        else {\n            if (options.right != null) {\n                options.left =\n                    el.scrollWidth - el.clientWidth - options.right;\n            }\n        }\n        this._applyScrollToOptions(options);\n    };\n    CdkScrollable.prototype._applyScrollToOptions = function (options) {\n        var el = this.elementRef.nativeElement;\n        if (supportsScrollBehavior()) {\n            el.scrollTo(options);\n        }\n        else {\n            if (options.top != null) {\n                el.scrollTop = options.top;\n            }\n            if (options.left != null) {\n                el.scrollLeft = options.left;\n            }\n        }\n    };\n    /**\n     * Measures the scroll offset relative to the specified edge of the viewport. This method can be\n     * used instead of directly checking scrollLeft or scrollTop, since browsers are not consistent\n     * about what scrollLeft means in RTL. The values returned by this method are normalized such that\n     * left and right always refer to the left and right side of the scrolling container irrespective\n     * of the layout direction. start and end refer to left and right in an LTR context and vice-versa\n     * in an RTL context.\n     * @param from The edge to measure from.\n     */\n    CdkScrollable.prototype.measureScrollOffset = function (from) {\n        var LEFT = 'left';\n        var RIGHT = 'right';\n        var el = this.elementRef.nativeElement;\n        if (from == 'top') {\n            return el.scrollTop;\n        }\n        if (from == 'bottom') {\n            return el.scrollHeight - el.clientHeight - el.scrollTop;\n        }\n        // Rewrite start & end as left or right offsets.\n        var isRtl = this.dir && this.dir.value == 'rtl';\n        if (from == 'start') {\n            from = isRtl ? RIGHT : LEFT;\n        }\n        else if (from == 'end') {\n            from = isRtl ? LEFT : RIGHT;\n        }\n        if (isRtl && getRtlScrollAxisType() == RtlScrollAxisType.INVERTED) {\n            // For INVERTED, scrollLeft is (scrollWidth - clientWidth) when scrolled all the way left and\n            // 0 when scrolled all the way right.\n            if (from == LEFT) {\n                return el.scrollWidth - el.clientWidth - el.scrollLeft;\n            }\n            else {\n                return el.scrollLeft;\n            }\n        }\n        else if (isRtl && getRtlScrollAxisType() == RtlScrollAxisType.NEGATED) {\n            // For NEGATED, scrollLeft is -(scrollWidth - clientWidth) when scrolled all the way left and\n            // 0 when scrolled all the way right.\n            if (from == LEFT) {\n                return el.scrollLeft + el.scrollWidth - el.clientWidth;\n            }\n            else {\n                return -el.scrollLeft;\n            }\n        }\n        else {\n            // For NORMAL, as well as non-RTL contexts, scrollLeft is 0 when scrolled all the way left and\n            // (scrollWidth - clientWidth) when scrolled all the way right.\n            if (from == LEFT) {\n                return el.scrollLeft;\n            }\n            else {\n                return el.scrollWidth - el.clientWidth - el.scrollLeft;\n            }\n        }\n    };\n    CdkScrollable.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdk-scrollable], [cdkScrollable]'\n                },] }\n    ];\n    /** @nocollapse */\n    CdkScrollable.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: ScrollDispatcher },\n        { type: NgZone },\n        { type: Directionality, decorators: [{ type: Optional }] }\n    ]; };\n    return CdkScrollable;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Time in ms to throttle the resize events by default. */\nvar DEFAULT_RESIZE_TIME = 20;\n/**\n * Simple utility for getting the bounds of the browser viewport.\n * @docs-private\n */\nvar ViewportRuler = /** @class */ (function () {\n    function ViewportRuler(_platform, ngZone) {\n        var _this = this;\n        this._platform = _platform;\n        ngZone.runOutsideAngular(function () {\n            _this._change = _platform.isBrowser ?\n                merge(fromEvent(window, 'resize'), fromEvent(window, 'orientationchange')) :\n                of();\n            // Note that we need to do the subscription inside `runOutsideAngular`\n            // since subscribing is what causes the event listener to be added.\n            _this._invalidateCache = _this.change().subscribe(function () { return _this._updateViewportSize(); });\n        });\n    }\n    ViewportRuler.prototype.ngOnDestroy = function () {\n        this._invalidateCache.unsubscribe();\n    };\n    /** Returns the viewport's width and height. */\n    ViewportRuler.prototype.getViewportSize = function () {\n        if (!this._viewportSize) {\n            this._updateViewportSize();\n        }\n        var output = { width: this._viewportSize.width, height: this._viewportSize.height };\n        // If we're not on a browser, don't cache the size since it'll be mocked out anyway.\n        if (!this._platform.isBrowser) {\n            this._viewportSize = null;\n        }\n        return output;\n    };\n    /** Gets a ClientRect for the viewport's bounds. */\n    ViewportRuler.prototype.getViewportRect = function () {\n        // Use the document element's bounding rect rather than the window scroll properties\n        // (e.g. pageYOffset, scrollY) due to in issue in Chrome and IE where window scroll\n        // properties and client coordinates (boundingClientRect, clientX/Y, etc.) are in different\n        // conceptual viewports. Under most circumstances these viewports are equivalent, but they\n        // can disagree when the page is pinch-zoomed (on devices that support touch).\n        // See https://bugs.chromium.org/p/chromium/issues/detail?id=489206#c4\n        // We use the documentElement instead of the body because, by default (without a css reset)\n        // browsers typically give the document body an 8px margin, which is not included in\n        // getBoundingClientRect().\n        var scrollPosition = this.getViewportScrollPosition();\n        var _a = this.getViewportSize(), width = _a.width, height = _a.height;\n        return {\n            top: scrollPosition.top,\n            left: scrollPosition.left,\n            bottom: scrollPosition.top + height,\n            right: scrollPosition.left + width,\n            height: height,\n            width: width,\n        };\n    };\n    /** Gets the (top, left) scroll position of the viewport. */\n    ViewportRuler.prototype.getViewportScrollPosition = function () {\n        // While we can get a reference to the fake document\n        // during SSR, it doesn't have getBoundingClientRect.\n        if (!this._platform.isBrowser) {\n            return { top: 0, left: 0 };\n        }\n        // The top-left-corner of the viewport is determined by the scroll position of the document\n        // body, normally just (scrollLeft, scrollTop). However, Chrome and Firefox disagree about\n        // whether `document.body` or `document.documentElement` is the scrolled element, so reading\n        // `scrollTop` and `scrollLeft` is inconsistent. However, using the bounding rect of\n        // `document.documentElement` works consistently, where the `top` and `left` values will\n        // equal negative the scroll position.\n        var documentElement = document.documentElement;\n        var documentRect = documentElement.getBoundingClientRect();\n        var top = -documentRect.top || document.body.scrollTop || window.scrollY ||\n            documentElement.scrollTop || 0;\n        var left = -documentRect.left || document.body.scrollLeft || window.scrollX ||\n            documentElement.scrollLeft || 0;\n        return { top: top, left: left };\n    };\n    /**\n     * Returns a stream that emits whenever the size of the viewport changes.\n     * @param throttleTime Time in milliseconds to throttle the stream.\n     */\n    ViewportRuler.prototype.change = function (throttleTime) {\n        if (throttleTime === void 0) { throttleTime = DEFAULT_RESIZE_TIME; }\n        return throttleTime > 0 ? this._change.pipe(auditTime(throttleTime)) : this._change;\n    };\n    /** Updates the cached viewport size. */\n    ViewportRuler.prototype._updateViewportSize = function () {\n        this._viewportSize = this._platform.isBrowser ?\n            { width: window.innerWidth, height: window.innerHeight } :\n            { width: 0, height: 0 };\n    };\n    ViewportRuler.decorators = [\n        { type: Injectable, args: [{ providedIn: 'root' },] }\n    ];\n    /** @nocollapse */\n    ViewportRuler.ctorParameters = function () { return [\n        { type: Platform },\n        { type: NgZone }\n    ]; };\n    ViewportRuler.ɵprov = ɵɵdefineInjectable({ factory: function ViewportRuler_Factory() { return new ViewportRuler(ɵɵinject(Platform), ɵɵinject(NgZone)); }, token: ViewportRuler, providedIn: \"root\" });\n    return ViewportRuler;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Checks if the given ranges are equal. */\nfunction rangesEqual(r1, r2) {\n    return r1.start == r2.start && r1.end == r2.end;\n}\n/**\n * Scheduler to be used for scroll events. Needs to fall back to\n * something that doesn't rely on requestAnimationFrame on environments\n * that don't support it (e.g. server-side rendering).\n */\nvar SCROLL_SCHEDULER = typeof requestAnimationFrame !== 'undefined' ? animationFrameScheduler : asapScheduler;\n/** A viewport that virtualizes its scrolling with the help of `CdkVirtualForOf`. */\nvar CdkVirtualScrollViewport = /** @class */ (function (_super) {\n    __extends(CdkVirtualScrollViewport, _super);\n    function CdkVirtualScrollViewport(elementRef, _changeDetectorRef, ngZone, _scrollStrategy, dir, scrollDispatcher, \n    /**\n     * @deprecated `viewportRuler` parameter to become required.\n     * @breaking-change 11.0.0\n     */\n    viewportRuler) {\n        var _this = _super.call(this, elementRef, scrollDispatcher, ngZone, dir) || this;\n        _this.elementRef = elementRef;\n        _this._changeDetectorRef = _changeDetectorRef;\n        _this._scrollStrategy = _scrollStrategy;\n        /** Emits when the viewport is detached from a CdkVirtualForOf. */\n        _this._detachedSubject = new Subject();\n        /** Emits when the rendered range changes. */\n        _this._renderedRangeSubject = new Subject();\n        _this._orientation = 'vertical';\n        // Note: we don't use the typical EventEmitter here because we need to subscribe to the scroll\n        // strategy lazily (i.e. only if the user is actually listening to the events). We do this because\n        // depending on how the strategy calculates the scrolled index, it may come at a cost to\n        // performance.\n        /** Emits when the index of the first element visible in the viewport changes. */\n        _this.scrolledIndexChange = new Observable(function (observer) {\n            return _this._scrollStrategy.scrolledIndexChange.subscribe(function (index) {\n                return Promise.resolve().then(function () { return _this.ngZone.run(function () { return observer.next(index); }); });\n            });\n        });\n        /** A stream that emits whenever the rendered range changes. */\n        _this.renderedRangeStream = _this._renderedRangeSubject.asObservable();\n        /**\n         * The total size of all content (in pixels), including content that is not currently rendered.\n         */\n        _this._totalContentSize = 0;\n        /** A string representing the `style.width` property value to be used for the spacer element. */\n        _this._totalContentWidth = '';\n        /** A string representing the `style.height` property value to be used for the spacer element. */\n        _this._totalContentHeight = '';\n        /** The currently rendered range of indices. */\n        _this._renderedRange = { start: 0, end: 0 };\n        /** The length of the data bound to this viewport (in number of items). */\n        _this._dataLength = 0;\n        /** The size of the viewport (in pixels). */\n        _this._viewportSize = 0;\n        /** The last rendered content offset that was set. */\n        _this._renderedContentOffset = 0;\n        /**\n         * Whether the last rendered content offset was to the end of the content (and therefore needs to\n         * be rewritten as an offset to the start of the content).\n         */\n        _this._renderedContentOffsetNeedsRewrite = false;\n        /** Whether there is a pending change detection cycle. */\n        _this._isChangeDetectionPending = false;\n        /** A list of functions to run after the next change detection cycle. */\n        _this._runAfterChangeDetection = [];\n        /** Subscription to changes in the viewport size. */\n        _this._viewportChanges = Subscription.EMPTY;\n        if (!_scrollStrategy) {\n            throw Error('Error: cdk-virtual-scroll-viewport requires the \"itemSize\" property to be set.');\n        }\n        // @breaking-change 11.0.0 Remove null check for `viewportRuler`.\n        if (viewportRuler) {\n            _this._viewportChanges = viewportRuler.change().subscribe(function () {\n                _this.checkViewportSize();\n            });\n        }\n        return _this;\n    }\n    Object.defineProperty(CdkVirtualScrollViewport.prototype, \"orientation\", {\n        /** The direction the viewport scrolls. */\n        get: function () {\n            return this._orientation;\n        },\n        set: function (orientation) {\n            if (this._orientation !== orientation) {\n                this._orientation = orientation;\n                this._calculateSpacerSize();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    CdkVirtualScrollViewport.prototype.ngOnInit = function () {\n        var _this = this;\n        _super.prototype.ngOnInit.call(this);\n        // It's still too early to measure the viewport at this point. Deferring with a promise allows\n        // the Viewport to be rendered with the correct size before we measure. We run this outside the\n        // zone to avoid causing more change detection cycles. We handle the change detection loop\n        // ourselves instead.\n        this.ngZone.runOutsideAngular(function () { return Promise.resolve().then(function () {\n            _this._measureViewportSize();\n            _this._scrollStrategy.attach(_this);\n            _this.elementScrolled()\n                .pipe(\n            // Start off with a fake scroll event so we properly detect our initial position.\n            startWith(null), \n            // Collect multiple events into one until the next animation frame. This way if\n            // there are multiple scroll events in the same frame we only need to recheck\n            // our layout once.\n            auditTime(0, SCROLL_SCHEDULER))\n                .subscribe(function () { return _this._scrollStrategy.onContentScrolled(); });\n            _this._markChangeDetectionNeeded();\n        }); });\n    };\n    CdkVirtualScrollViewport.prototype.ngOnDestroy = function () {\n        this.detach();\n        this._scrollStrategy.detach();\n        // Complete all subjects\n        this._renderedRangeSubject.complete();\n        this._detachedSubject.complete();\n        this._viewportChanges.unsubscribe();\n        _super.prototype.ngOnDestroy.call(this);\n    };\n    /** Attaches a `CdkVirtualForOf` to this viewport. */\n    CdkVirtualScrollViewport.prototype.attach = function (forOf) {\n        var _this = this;\n        if (this._forOf) {\n            throw Error('CdkVirtualScrollViewport is already attached.');\n        }\n        // Subscribe to the data stream of the CdkVirtualForOf to keep track of when the data length\n        // changes. Run outside the zone to avoid triggering change detection, since we're managing the\n        // change detection loop ourselves.\n        this.ngZone.runOutsideAngular(function () {\n            _this._forOf = forOf;\n            _this._forOf.dataStream.pipe(takeUntil(_this._detachedSubject)).subscribe(function (data) {\n                var newLength = data.length;\n                if (newLength !== _this._dataLength) {\n                    _this._dataLength = newLength;\n                    _this._scrollStrategy.onDataLengthChanged();\n                }\n                _this._doChangeDetection();\n            });\n        });\n    };\n    /** Detaches the current `CdkVirtualForOf`. */\n    CdkVirtualScrollViewport.prototype.detach = function () {\n        this._forOf = null;\n        this._detachedSubject.next();\n    };\n    /** Gets the length of the data bound to this viewport (in number of items). */\n    CdkVirtualScrollViewport.prototype.getDataLength = function () {\n        return this._dataLength;\n    };\n    /** Gets the size of the viewport (in pixels). */\n    CdkVirtualScrollViewport.prototype.getViewportSize = function () {\n        return this._viewportSize;\n    };\n    // TODO(mmalerba): This is technically out of sync with what's really rendered until a render\n    // cycle happens. I'm being careful to only call it after the render cycle is complete and before\n    // setting it to something else, but its error prone and should probably be split into\n    // `pendingRange` and `renderedRange`, the latter reflecting whats actually in the DOM.\n    /** Get the current rendered range of items. */\n    CdkVirtualScrollViewport.prototype.getRenderedRange = function () {\n        return this._renderedRange;\n    };\n    /**\n     * Sets the total size of all content (in pixels), including content that is not currently\n     * rendered.\n     */\n    CdkVirtualScrollViewport.prototype.setTotalContentSize = function (size) {\n        if (this._totalContentSize !== size) {\n            this._totalContentSize = size;\n            this._calculateSpacerSize();\n            this._markChangeDetectionNeeded();\n        }\n    };\n    /** Sets the currently rendered range of indices. */\n    CdkVirtualScrollViewport.prototype.setRenderedRange = function (range) {\n        var _this = this;\n        if (!rangesEqual(this._renderedRange, range)) {\n            this._renderedRangeSubject.next(this._renderedRange = range);\n            this._markChangeDetectionNeeded(function () { return _this._scrollStrategy.onContentRendered(); });\n        }\n    };\n    /**\n     * Gets the offset from the start of the viewport to the start of the rendered data (in pixels).\n     */\n    CdkVirtualScrollViewport.prototype.getOffsetToRenderedContentStart = function () {\n        return this._renderedContentOffsetNeedsRewrite ? null : this._renderedContentOffset;\n    };\n    /**\n     * Sets the offset from the start of the viewport to either the start or end of the rendered data\n     * (in pixels).\n     */\n    CdkVirtualScrollViewport.prototype.setRenderedContentOffset = function (offset, to) {\n        var _this = this;\n        if (to === void 0) { to = 'to-start'; }\n        // For a horizontal viewport in a right-to-left language we need to translate along the x-axis\n        // in the negative direction.\n        var isRtl = this.dir && this.dir.value == 'rtl';\n        var isHorizontal = this.orientation == 'horizontal';\n        var axis = isHorizontal ? 'X' : 'Y';\n        var axisDirection = isHorizontal && isRtl ? -1 : 1;\n        var transform = \"translate\" + axis + \"(\" + Number(axisDirection * offset) + \"px)\";\n        this._renderedContentOffset = offset;\n        if (to === 'to-end') {\n            transform += \" translate\" + axis + \"(-100%)\";\n            // The viewport should rewrite this as a `to-start` offset on the next render cycle. Otherwise\n            // elements will appear to expand in the wrong direction (e.g. `mat-expansion-panel` would\n            // expand upward).\n            this._renderedContentOffsetNeedsRewrite = true;\n        }\n        if (this._renderedContentTransform != transform) {\n            // We know this value is safe because we parse `offset` with `Number()` before passing it\n            // into the string.\n            this._renderedContentTransform = transform;\n            this._markChangeDetectionNeeded(function () {\n                if (_this._renderedContentOffsetNeedsRewrite) {\n                    _this._renderedContentOffset -= _this.measureRenderedContentSize();\n                    _this._renderedContentOffsetNeedsRewrite = false;\n                    _this.setRenderedContentOffset(_this._renderedContentOffset);\n                }\n                else {\n                    _this._scrollStrategy.onRenderedOffsetChanged();\n                }\n            });\n        }\n    };\n    /**\n     * Scrolls to the given offset from the start of the viewport. Please note that this is not always\n     * the same as setting `scrollTop` or `scrollLeft`. In a horizontal viewport with right-to-left\n     * direction, this would be the equivalent of setting a fictional `scrollRight` property.\n     * @param offset The offset to scroll to.\n     * @param behavior The ScrollBehavior to use when scrolling. Default is behavior is `auto`.\n     */\n    CdkVirtualScrollViewport.prototype.scrollToOffset = function (offset, behavior) {\n        if (behavior === void 0) { behavior = 'auto'; }\n        var options = { behavior: behavior };\n        if (this.orientation === 'horizontal') {\n            options.start = offset;\n        }\n        else {\n            options.top = offset;\n        }\n        this.scrollTo(options);\n    };\n    /**\n     * Scrolls to the offset for the given index.\n     * @param index The index of the element to scroll to.\n     * @param behavior The ScrollBehavior to use when scrolling. Default is behavior is `auto`.\n     */\n    CdkVirtualScrollViewport.prototype.scrollToIndex = function (index, behavior) {\n        if (behavior === void 0) { behavior = 'auto'; }\n        this._scrollStrategy.scrollToIndex(index, behavior);\n    };\n    /**\n     * Gets the current scroll offset from the start of the viewport (in pixels).\n     * @param from The edge to measure the offset from. Defaults to 'top' in vertical mode and 'start'\n     *     in horizontal mode.\n     */\n    CdkVirtualScrollViewport.prototype.measureScrollOffset = function (from) {\n        return _super.prototype.measureScrollOffset.call(this, from ? from : this.orientation === 'horizontal' ? 'start' : 'top');\n    };\n    /** Measure the combined size of all of the rendered items. */\n    CdkVirtualScrollViewport.prototype.measureRenderedContentSize = function () {\n        var contentEl = this._contentWrapper.nativeElement;\n        return this.orientation === 'horizontal' ? contentEl.offsetWidth : contentEl.offsetHeight;\n    };\n    /**\n     * Measure the total combined size of the given range. Throws if the range includes items that are\n     * not rendered.\n     */\n    CdkVirtualScrollViewport.prototype.measureRangeSize = function (range) {\n        if (!this._forOf) {\n            return 0;\n        }\n        return this._forOf.measureRangeSize(range, this.orientation);\n    };\n    /** Update the viewport dimensions and re-render. */\n    CdkVirtualScrollViewport.prototype.checkViewportSize = function () {\n        // TODO: Cleanup later when add logic for handling content resize\n        this._measureViewportSize();\n        this._scrollStrategy.onDataLengthChanged();\n    };\n    /** Measure the viewport size. */\n    CdkVirtualScrollViewport.prototype._measureViewportSize = function () {\n        var viewportEl = this.elementRef.nativeElement;\n        this._viewportSize = this.orientation === 'horizontal' ?\n            viewportEl.clientWidth : viewportEl.clientHeight;\n    };\n    /** Queue up change detection to run. */\n    CdkVirtualScrollViewport.prototype._markChangeDetectionNeeded = function (runAfter) {\n        var _this = this;\n        if (runAfter) {\n            this._runAfterChangeDetection.push(runAfter);\n        }\n        // Use a Promise to batch together calls to `_doChangeDetection`. This way if we set a bunch of\n        // properties sequentially we only have to run `_doChangeDetection` once at the end.\n        if (!this._isChangeDetectionPending) {\n            this._isChangeDetectionPending = true;\n            this.ngZone.runOutsideAngular(function () { return Promise.resolve().then(function () {\n                _this._doChangeDetection();\n            }); });\n        }\n    };\n    /** Run change detection. */\n    CdkVirtualScrollViewport.prototype._doChangeDetection = function () {\n        var e_1, _a;\n        var _this = this;\n        this._isChangeDetectionPending = false;\n        // Apply the content transform. The transform can't be set via an Angular binding because\n        // bypassSecurityTrustStyle is banned in Google. However the value is safe, it's composed of\n        // string literals, a variable that can only be 'X' or 'Y', and user input that is run through\n        // the `Number` function first to coerce it to a numeric value.\n        this._contentWrapper.nativeElement.style.transform = this._renderedContentTransform;\n        // Apply changes to Angular bindings. Note: We must call `markForCheck` to run change detection\n        // from the root, since the repeated items are content projected in. Calling `detectChanges`\n        // instead does not properly check the projected content.\n        this.ngZone.run(function () { return _this._changeDetectorRef.markForCheck(); });\n        var runAfterChangeDetection = this._runAfterChangeDetection;\n        this._runAfterChangeDetection = [];\n        try {\n            for (var runAfterChangeDetection_1 = __values(runAfterChangeDetection), runAfterChangeDetection_1_1 = runAfterChangeDetection_1.next(); !runAfterChangeDetection_1_1.done; runAfterChangeDetection_1_1 = runAfterChangeDetection_1.next()) {\n                var fn = runAfterChangeDetection_1_1.value;\n                fn();\n            }\n        }\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\n        finally {\n            try {\n                if (runAfterChangeDetection_1_1 && !runAfterChangeDetection_1_1.done && (_a = runAfterChangeDetection_1.return)) _a.call(runAfterChangeDetection_1);\n            }\n            finally { if (e_1) throw e_1.error; }\n        }\n    };\n    /** Calculates the `style.width` and `style.height` for the spacer element. */\n    CdkVirtualScrollViewport.prototype._calculateSpacerSize = function () {\n        this._totalContentHeight =\n            this.orientation === 'horizontal' ? '' : this._totalContentSize + \"px\";\n        this._totalContentWidth =\n            this.orientation === 'horizontal' ? this._totalContentSize + \"px\" : '';\n    };\n    CdkVirtualScrollViewport.decorators = [\n        { type: Component, args: [{\n                    selector: 'cdk-virtual-scroll-viewport',\n                    template: \"<!--\\n  Wrap the rendered content in an element that will be used to offset it based on the scroll\\n  position.\\n-->\\n<div #contentWrapper class=\\\"cdk-virtual-scroll-content-wrapper\\\">\\n  <ng-content></ng-content>\\n</div>\\n<!--\\n  Spacer used to force the scrolling container to the correct size for the *total* number of items\\n  so that the scrollbar captures the size of the entire data set.\\n-->\\n<div class=\\\"cdk-virtual-scroll-spacer\\\"\\n     [style.width]=\\\"_totalContentWidth\\\" [style.height]=\\\"_totalContentHeight\\\"></div>\\n\",\n                    host: {\n                        'class': 'cdk-virtual-scroll-viewport',\n                        '[class.cdk-virtual-scroll-orientation-horizontal]': 'orientation === \"horizontal\"',\n                        '[class.cdk-virtual-scroll-orientation-vertical]': 'orientation !== \"horizontal\"',\n                    },\n                    encapsulation: ViewEncapsulation.None,\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    providers: [{\n                            provide: CdkScrollable,\n                            useExisting: CdkVirtualScrollViewport,\n                        }],\n                    styles: [\"cdk-virtual-scroll-viewport{display:block;position:relative;overflow:auto;contain:strict;transform:translateZ(0);will-change:scroll-position;-webkit-overflow-scrolling:touch}.cdk-virtual-scroll-content-wrapper{position:absolute;top:0;left:0;contain:content}[dir=rtl] .cdk-virtual-scroll-content-wrapper{right:0;left:auto}.cdk-virtual-scroll-orientation-horizontal .cdk-virtual-scroll-content-wrapper{min-height:100%}.cdk-virtual-scroll-orientation-horizontal .cdk-virtual-scroll-content-wrapper>dl:not([cdkVirtualFor]),.cdk-virtual-scroll-orientation-horizontal .cdk-virtual-scroll-content-wrapper>ol:not([cdkVirtualFor]),.cdk-virtual-scroll-orientation-horizontal .cdk-virtual-scroll-content-wrapper>table:not([cdkVirtualFor]),.cdk-virtual-scroll-orientation-horizontal .cdk-virtual-scroll-content-wrapper>ul:not([cdkVirtualFor]){padding-left:0;padding-right:0;margin-left:0;margin-right:0;border-left-width:0;border-right-width:0;outline:none}.cdk-virtual-scroll-orientation-vertical .cdk-virtual-scroll-content-wrapper{min-width:100%}.cdk-virtual-scroll-orientation-vertical .cdk-virtual-scroll-content-wrapper>dl:not([cdkVirtualFor]),.cdk-virtual-scroll-orientation-vertical .cdk-virtual-scroll-content-wrapper>ol:not([cdkVirtualFor]),.cdk-virtual-scroll-orientation-vertical .cdk-virtual-scroll-content-wrapper>table:not([cdkVirtualFor]),.cdk-virtual-scroll-orientation-vertical .cdk-virtual-scroll-content-wrapper>ul:not([cdkVirtualFor]){padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0;border-top-width:0;border-bottom-width:0;outline:none}.cdk-virtual-scroll-spacer{position:absolute;top:0;left:0;height:1px;width:1px;transform-origin:0 0}[dir=rtl] .cdk-virtual-scroll-spacer{right:0;left:auto;transform-origin:100% 0}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    CdkVirtualScrollViewport.ctorParameters = function () { return [\n        { type: ElementRef },\n        { type: ChangeDetectorRef },\n        { type: NgZone },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [VIRTUAL_SCROLL_STRATEGY,] }] },\n        { type: Directionality, decorators: [{ type: Optional }] },\n        { type: ScrollDispatcher },\n        { type: ViewportRuler, decorators: [{ type: Optional }] }\n    ]; };\n    CdkVirtualScrollViewport.propDecorators = {\n        orientation: [{ type: Input }],\n        scrolledIndexChange: [{ type: Output }],\n        _contentWrapper: [{ type: ViewChild, args: ['contentWrapper', { static: true },] }]\n    };\n    return CdkVirtualScrollViewport;\n}(CdkScrollable));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/** Helper to extract size from a DOM Node. */\nfunction getSize(orientation, node) {\n    var el = node;\n    if (!el.getBoundingClientRect) {\n        return 0;\n    }\n    var rect = el.getBoundingClientRect();\n    return orientation == 'horizontal' ? rect.width : rect.height;\n}\n/**\n * A directive similar to `ngForOf` to be used for rendering data inside a virtual scrolling\n * container.\n */\nvar CdkVirtualForOf = /** @class */ (function () {\n    function CdkVirtualForOf(\n    /** The view container to add items to. */\n    _viewContainerRef, \n    /** The template to use when stamping out new items. */\n    _template, \n    /** The set of available differs. */\n    _differs, \n    /** The virtual scrolling viewport that these items are being rendered in. */\n    _viewport, ngZone) {\n        var _this = this;\n        this._viewContainerRef = _viewContainerRef;\n        this._template = _template;\n        this._differs = _differs;\n        this._viewport = _viewport;\n        /** Emits when the rendered view of the data changes. */\n        this.viewChange = new Subject();\n        /** Subject that emits when a new DataSource instance is given. */\n        this._dataSourceChanges = new Subject();\n        /**\n         * The size of the cache used to store templates that are not being used for re-use later.\n         * Setting the cache size to `0` will disable caching. Defaults to 20 templates.\n         */\n        this.cdkVirtualForTemplateCacheSize = 20;\n        /** Emits whenever the data in the current DataSource changes. */\n        this.dataStream = this._dataSourceChanges\n            .pipe(\n        // Start off with null `DataSource`.\n        startWith(null), \n        // Bundle up the previous and current data sources so we can work with both.\n        pairwise(), \n        // Use `_changeDataSource` to disconnect from the previous data source and connect to the\n        // new one, passing back a stream of data changes which we run through `switchMap` to give\n        // us a data stream that emits the latest data from whatever the current `DataSource` is.\n        switchMap(function (_a) {\n            var _b = __read(_a, 2), prev = _b[0], cur = _b[1];\n            return _this._changeDataSource(prev, cur);\n        }), \n        // Replay the last emitted data when someone subscribes.\n        shareReplay(1));\n        /** The differ used to calculate changes to the data. */\n        this._differ = null;\n        /**\n         * The template cache used to hold on ot template instancess that have been stamped out, but don't\n         * currently need to be rendered. These instances will be reused in the future rather than\n         * stamping out brand new ones.\n         */\n        this._templateCache = [];\n        /** Whether the rendered data should be updated during the next ngDoCheck cycle. */\n        this._needsUpdate = false;\n        this._destroyed = new Subject();\n        this.dataStream.subscribe(function (data) {\n            _this._data = data;\n            _this._onRenderedDataChange();\n        });\n        this._viewport.renderedRangeStream.pipe(takeUntil(this._destroyed)).subscribe(function (range) {\n            _this._renderedRange = range;\n            ngZone.run(function () { return _this.viewChange.next(_this._renderedRange); });\n            _this._onRenderedDataChange();\n        });\n        this._viewport.attach(this);\n    }\n    Object.defineProperty(CdkVirtualForOf.prototype, \"cdkVirtualForOf\", {\n        /** The DataSource to display. */\n        get: function () {\n            return this._cdkVirtualForOf;\n        },\n        set: function (value) {\n            this._cdkVirtualForOf = value;\n            var ds = isDataSource(value) ? value :\n                // Slice the value if its an NgIterable to ensure we're working with an array.\n                new ArrayDataSource(value instanceof Observable ? value : Array.prototype.slice.call(value || []));\n            this._dataSourceChanges.next(ds);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkVirtualForOf.prototype, \"cdkVirtualForTrackBy\", {\n        /**\n         * The `TrackByFunction` to use for tracking changes. The `TrackByFunction` takes the index and\n         * the item and produces a value to be used as the item's identity when tracking changes.\n         */\n        get: function () {\n            return this._cdkVirtualForTrackBy;\n        },\n        set: function (fn) {\n            var _this = this;\n            this._needsUpdate = true;\n            this._cdkVirtualForTrackBy = fn ?\n                function (index, item) { return fn(index + (_this._renderedRange ? _this._renderedRange.start : 0), item); } :\n                undefined;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(CdkVirtualForOf.prototype, \"cdkVirtualForTemplate\", {\n        /** The template used to stamp out new elements. */\n        set: function (value) {\n            if (value) {\n                this._needsUpdate = true;\n                this._template = value;\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    /**\n     * Measures the combined size (width for horizontal orientation, height for vertical) of all items\n     * in the specified range. Throws an error if the range includes items that are not currently\n     * rendered.\n     */\n    CdkVirtualForOf.prototype.measureRangeSize = function (range, orientation) {\n        if (range.start >= range.end) {\n            return 0;\n        }\n        if (range.start < this._renderedRange.start || range.end > this._renderedRange.end) {\n            throw Error(\"Error: attempted to measure an item that isn't rendered.\");\n        }\n        // The index into the list of rendered views for the first item in the range.\n        var renderedStartIndex = range.start - this._renderedRange.start;\n        // The length of the range we're measuring.\n        var rangeLen = range.end - range.start;\n        // Loop over all root nodes for all items in the range and sum up their size.\n        var totalSize = 0;\n        var i = rangeLen;\n        while (i--) {\n            var view = this._viewContainerRef.get(i + renderedStartIndex);\n            var j = view ? view.rootNodes.length : 0;\n            while (j--) {\n                totalSize += getSize(orientation, view.rootNodes[j]);\n            }\n        }\n        return totalSize;\n    };\n    CdkVirtualForOf.prototype.ngDoCheck = function () {\n        if (this._differ && this._needsUpdate) {\n            // TODO(mmalerba): We should differentiate needs update due to scrolling and a new portion of\n            // this list being rendered (can use simpler algorithm) vs needs update due to data actually\n            // changing (need to do this diff).\n            var changes = this._differ.diff(this._renderedItems);\n            if (!changes) {\n                this._updateContext();\n            }\n            else {\n                this._applyChanges(changes);\n            }\n            this._needsUpdate = false;\n        }\n    };\n    CdkVirtualForOf.prototype.ngOnDestroy = function () {\n        var e_1, _a;\n        this._viewport.detach();\n        this._dataSourceChanges.next();\n        this._dataSourceChanges.complete();\n        this.viewChange.complete();\n        this._destroyed.next();\n        this._destroyed.complete();\n        try {\n            for (var _b = __values(this._templateCache), _c = _b.next(); !_c.done; _c = _b.next()) {\n                var view = _c.value;\n                view.destroy();\n            }\n        }\n        catch (e_1_1) { e_1 = { error: e_1_1 }; }\n        finally {\n            try {\n                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);\n            }\n            finally { if (e_1) throw e_1.error; }\n        }\n    };\n    /** React to scroll state changes in the viewport. */\n    CdkVirtualForOf.prototype._onRenderedDataChange = function () {\n        if (!this._renderedRange) {\n            return;\n        }\n        this._renderedItems = this._data.slice(this._renderedRange.start, this._renderedRange.end);\n        if (!this._differ) {\n            this._differ = this._differs.find(this._renderedItems).create(this.cdkVirtualForTrackBy);\n        }\n        this._needsUpdate = true;\n    };\n    /** Swap out one `DataSource` for another. */\n    CdkVirtualForOf.prototype._changeDataSource = function (oldDs, newDs) {\n        if (oldDs) {\n            oldDs.disconnect(this);\n        }\n        this._needsUpdate = true;\n        return newDs ? newDs.connect(this) : of();\n    };\n    /** Update the `CdkVirtualForOfContext` for all views. */\n    CdkVirtualForOf.prototype._updateContext = function () {\n        var count = this._data.length;\n        var i = this._viewContainerRef.length;\n        while (i--) {\n            var view = this._viewContainerRef.get(i);\n            view.context.index = this._renderedRange.start + i;\n            view.context.count = count;\n            this._updateComputedContextProperties(view.context);\n            view.detectChanges();\n        }\n    };\n    /** Apply changes to the DOM. */\n    CdkVirtualForOf.prototype._applyChanges = function (changes) {\n        var _this = this;\n        // Rearrange the views to put them in the right location.\n        changes.forEachOperation(function (record, adjustedPreviousIndex, currentIndex) {\n            if (record.previousIndex == null) { // Item added.\n                var view = _this._insertViewForNewItem(currentIndex);\n                view.context.$implicit = record.item;\n            }\n            else if (currentIndex == null) { // Item removed.\n                _this._cacheView(_this._detachView(adjustedPreviousIndex));\n            }\n            else { // Item moved.\n                var view = _this._viewContainerRef.get(adjustedPreviousIndex);\n                _this._viewContainerRef.move(view, currentIndex);\n                view.context.$implicit = record.item;\n            }\n        });\n        // Update $implicit for any items that had an identity change.\n        changes.forEachIdentityChange(function (record) {\n            var view = _this._viewContainerRef.get(record.currentIndex);\n            view.context.$implicit = record.item;\n        });\n        // Update the context variables on all items.\n        var count = this._data.length;\n        var i = this._viewContainerRef.length;\n        while (i--) {\n            var view = this._viewContainerRef.get(i);\n            view.context.index = this._renderedRange.start + i;\n            view.context.count = count;\n            this._updateComputedContextProperties(view.context);\n        }\n    };\n    /** Cache the given detached view. */\n    CdkVirtualForOf.prototype._cacheView = function (view) {\n        if (this._templateCache.length < this.cdkVirtualForTemplateCacheSize) {\n            this._templateCache.push(view);\n        }\n        else {\n            var index = this._viewContainerRef.indexOf(view);\n            // It's very unlikely that the index will ever be -1, but just in case,\n            // destroy the view on its own, otherwise destroy it through the\n            // container to ensure that all the references are removed.\n            if (index === -1) {\n                view.destroy();\n            }\n            else {\n                this._viewContainerRef.remove(index);\n            }\n        }\n    };\n    /** Inserts a view for a new item, either from the cache or by creating a new one. */\n    CdkVirtualForOf.prototype._insertViewForNewItem = function (index) {\n        return this._insertViewFromCache(index) || this._createEmbeddedViewAt(index);\n    };\n    /** Update the computed properties on the `CdkVirtualForOfContext`. */\n    CdkVirtualForOf.prototype._updateComputedContextProperties = function (context) {\n        context.first = context.index === 0;\n        context.last = context.index === context.count - 1;\n        context.even = context.index % 2 === 0;\n        context.odd = !context.even;\n    };\n    /** Creates a new embedded view and moves it to the given index */\n    CdkVirtualForOf.prototype._createEmbeddedViewAt = function (index) {\n        // Note that it's important that we insert the item directly at the proper index,\n        // rather than inserting it and the moving it in place, because if there's a directive\n        // on the same node that injects the `ViewContainerRef`, Angular will insert another\n        // comment node which can throw off the move when it's being repeated for all items.\n        return this._viewContainerRef.createEmbeddedView(this._template, {\n            $implicit: null,\n            // It's guaranteed that the iterable is not \"undefined\" or \"null\" because we only\n            // generate views for elements if the \"cdkVirtualForOf\" iterable has elements.\n            cdkVirtualForOf: this._cdkVirtualForOf,\n            index: -1,\n            count: -1,\n            first: false,\n            last: false,\n            odd: false,\n            even: false\n        }, index);\n    };\n    /** Inserts a recycled view from the cache at the given index. */\n    CdkVirtualForOf.prototype._insertViewFromCache = function (index) {\n        var cachedView = this._templateCache.pop();\n        if (cachedView) {\n            this._viewContainerRef.insert(cachedView, index);\n        }\n        return cachedView || null;\n    };\n    /** Detaches the embedded view at the given index. */\n    CdkVirtualForOf.prototype._detachView = function (index) {\n        return this._viewContainerRef.detach(index);\n    };\n    CdkVirtualForOf.decorators = [\n        { type: Directive, args: [{\n                    selector: '[cdkVirtualFor][cdkVirtualForOf]',\n                },] }\n    ];\n    /** @nocollapse */\n    CdkVirtualForOf.ctorParameters = function () { return [\n        { type: ViewContainerRef },\n        { type: TemplateRef },\n        { type: IterableDiffers },\n        { type: CdkVirtualScrollViewport, decorators: [{ type: SkipSelf }] },\n        { type: NgZone }\n    ]; };\n    CdkVirtualForOf.propDecorators = {\n        cdkVirtualForOf: [{ type: Input }],\n        cdkVirtualForTrackBy: [{ type: Input }],\n        cdkVirtualForTemplate: [{ type: Input }],\n        cdkVirtualForTemplateCacheSize: [{ type: Input }]\n    };\n    return CdkVirtualForOf;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar ScrollingModule = /** @class */ (function () {\n    function ScrollingModule() {\n    }\n    ScrollingModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [BidiModule, PlatformModule],\n                    exports: [\n                        BidiModule,\n                        CdkFixedSizeVirtualScroll,\n                        CdkScrollable,\n                        CdkVirtualForOf,\n                        CdkVirtualScrollViewport,\n                    ],\n                    declarations: [\n                        CdkFixedSizeVirtualScroll,\n                        CdkScrollable,\n                        CdkVirtualForOf,\n                        CdkVirtualScrollViewport,\n                    ],\n                },] }\n    ];\n    return ScrollingModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { CdkFixedSizeVirtualScroll, CdkScrollable, CdkVirtualForOf, CdkVirtualScrollViewport, DEFAULT_RESIZE_TIME, DEFAULT_SCROLL_TIME, FixedSizeVirtualScrollStrategy, ScrollDispatcher, ScrollingModule, VIRTUAL_SCROLL_STRATEGY, ViewportRuler, _fixedSizeVirtualScrollStrategyFactory };\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MAC_ENTER = 3;\nvar BACKSPACE = 8;\nvar TAB = 9;\nvar NUM_CENTER = 12;\nvar ENTER = 13;\nvar SHIFT = 16;\nvar CONTROL = 17;\nvar ALT = 18;\nvar PAUSE = 19;\nvar CAPS_LOCK = 20;\nvar ESCAPE = 27;\nvar SPACE = 32;\nvar PAGE_UP = 33;\nvar PAGE_DOWN = 34;\nvar END = 35;\nvar HOME = 36;\nvar LEFT_ARROW = 37;\nvar UP_ARROW = 38;\nvar RIGHT_ARROW = 39;\nvar DOWN_ARROW = 40;\nvar PLUS_SIGN = 43;\nvar PRINT_SCREEN = 44;\nvar INSERT = 45;\nvar DELETE = 46;\nvar ZERO = 48;\nvar ONE = 49;\nvar TWO = 50;\nvar THREE = 51;\nvar FOUR = 52;\nvar FIVE = 53;\nvar SIX = 54;\nvar SEVEN = 55;\nvar EIGHT = 56;\nvar NINE = 57;\nvar FF_SEMICOLON = 59; // Firefox (Gecko) fires this for semicolon instead of 186\nvar FF_EQUALS = 61; // Firefox (Gecko) fires this for equals instead of 187\nvar QUESTION_MARK = 63;\nvar AT_SIGN = 64;\nvar A = 65;\nvar B = 66;\nvar C = 67;\nvar D = 68;\nvar E = 69;\nvar F = 70;\nvar G = 71;\nvar H = 72;\nvar I = 73;\nvar J = 74;\nvar K = 75;\nvar L = 76;\nvar M = 77;\nvar N = 78;\nvar O = 79;\nvar P = 80;\nvar Q = 81;\nvar R = 82;\nvar S = 83;\nvar T = 84;\nvar U = 85;\nvar V = 86;\nvar W = 87;\nvar X = 88;\nvar Y = 89;\nvar Z = 90;\nvar META = 91; // WIN_KEY_LEFT\nvar MAC_WK_CMD_LEFT = 91;\nvar MAC_WK_CMD_RIGHT = 93;\nvar CONTEXT_MENU = 93;\nvar NUMPAD_ZERO = 96;\nvar NUMPAD_ONE = 97;\nvar NUMPAD_TWO = 98;\nvar NUMPAD_THREE = 99;\nvar NUMPAD_FOUR = 100;\nvar NUMPAD_FIVE = 101;\nvar NUMPAD_SIX = 102;\nvar NUMPAD_SEVEN = 103;\nvar NUMPAD_EIGHT = 104;\nvar NUMPAD_NINE = 105;\nvar NUMPAD_MULTIPLY = 106;\nvar NUMPAD_PLUS = 107;\nvar NUMPAD_MINUS = 109;\nvar NUMPAD_PERIOD = 110;\nvar NUMPAD_DIVIDE = 111;\nvar F1 = 112;\nvar F2 = 113;\nvar F3 = 114;\nvar F4 = 115;\nvar F5 = 116;\nvar F6 = 117;\nvar F7 = 118;\nvar F8 = 119;\nvar F9 = 120;\nvar F10 = 121;\nvar F11 = 122;\nvar F12 = 123;\nvar NUM_LOCK = 144;\nvar SCROLL_LOCK = 145;\nvar FIRST_MEDIA = 166;\nvar FF_MINUS = 173;\nvar MUTE = 173; // Firefox (Gecko) fires 181 for MUTE\nvar VOLUME_DOWN = 174; // Firefox (Gecko) fires 182 for VOLUME_DOWN\nvar VOLUME_UP = 175; // Firefox (Gecko) fires 183 for VOLUME_UP\nvar FF_MUTE = 181;\nvar FF_VOLUME_DOWN = 182;\nvar LAST_MEDIA = 183;\nvar FF_VOLUME_UP = 183;\nvar SEMICOLON = 186; // Firefox (Gecko) fires 59 for SEMICOLON\nvar EQUALS = 187; // Firefox (Gecko) fires 61 for EQUALS\nvar COMMA = 188;\nvar DASH = 189; // Firefox (Gecko) fires 173 for DASH/MINUS\nvar SLASH = 191;\nvar APOSTROPHE = 192;\nvar TILDE = 192;\nvar OPEN_SQUARE_BRACKET = 219;\nvar BACKSLASH = 220;\nvar CLOSE_SQUARE_BRACKET = 221;\nvar SINGLE_QUOTE = 222;\nvar MAC_META = 224;\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Checks whether a modifier key is pressed.\n * @param event Event to be checked.\n */\nfunction hasModifierKey(event) {\n    var modifiers = [];\n    for (var _i = 1; _i < arguments.length; _i++) {\n        modifiers[_i - 1] = arguments[_i];\n    }\n    if (modifiers.length) {\n        return modifiers.some(function (modifier) { return event[modifier]; });\n    }\n    return event.altKey || event.shiftKey || event.ctrlKey || event.metaKey;\n}\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { A, ALT, APOSTROPHE, AT_SIGN, B, BACKSLASH, BACKSPACE, C, CAPS_LOCK, CLOSE_SQUARE_BRACKET, COMMA, CONTEXT_MENU, CONTROL, D, DASH, DELETE, DOWN_ARROW, E, EIGHT, END, ENTER, EQUALS, ESCAPE, F, F1, F10, F11, F12, F2, F3, F4, F5, F6, F7, F8, F9, FF_EQUALS, FF_MINUS, FF_MUTE, FF_SEMICOLON, FF_VOLUME_DOWN, FF_VOLUME_UP, FIRST_MEDIA, FIVE, FOUR, G, H, HOME, I, INSERT, J, K, L, LAST_MEDIA, LEFT_ARROW, M, MAC_ENTER, MAC_META, MAC_WK_CMD_LEFT, MAC_WK_CMD_RIGHT, META, MUTE, N, NINE, NUMPAD_DIVIDE, NUMPAD_EIGHT, NUMPAD_FIVE, NUMPAD_FOUR, NUMPAD_MINUS, NUMPAD_MULTIPLY, NUMPAD_NINE, NUMPAD_ONE, NUMPAD_PERIOD, NUMPAD_PLUS, NUMPAD_SEVEN, NUMPAD_SIX, NUMPAD_THREE, NUMPAD_TWO, NUMPAD_ZERO, NUM_CENTER, NUM_LOCK, O, ONE, OPEN_SQUARE_BRACKET, P, PAGE_DOWN, PAGE_UP, PAUSE, PLUS_SIGN, PRINT_SCREEN, Q, QUESTION_MARK, R, RIGHT_ARROW, S, SCROLL_LOCK, SEMICOLON, SEVEN, SHIFT, SINGLE_QUOTE, SIX, SLASH, SPACE, T, TAB, THREE, TILDE, TWO, U, UP_ARROW, V, VOLUME_DOWN, VOLUME_UP, W, X, Y, Z, ZERO, hasModifierKey };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * This module exposes helper functions for developing extensions.\n */\nimport * as zrUtil from 'zrender/lib/core/util';\nimport createListFromArray from '../../chart/helper/createListFromArray'; // import createGraphFromNodeEdge from './chart/helper/createGraphFromNodeEdge';\n\nimport * as axisHelper from '../../coord/axisHelper';\nimport { AxisModelCommonMixin } from '../../coord/axisModelCommonMixin';\nimport Model from '../../model/Model';\nimport { getLayoutRect } from '../../util/layout';\nimport { enableDataStack, isDimensionStacked, getStackedDimension } from '../../data/helper/dataStackHelper';\nimport { getECData } from '../../util/innerStore';\nimport { createTextStyle as innerCreateTextStyle } from '../../label/labelStyle';\n/**\n * Create a muti dimension List structure from seriesModel.\n */\n\nexport function createList(seriesModel) {\n  return createListFromArray(seriesModel.getSource(), seriesModel);\n} // export function createGraph(seriesModel) {\n//     let nodes = seriesModel.get('data');\n//     let links = seriesModel.get('links');\n//     return createGraphFromNodeEdge(nodes, links, seriesModel);\n// }\n\nexport { getLayoutRect };\nexport { default as createDimensions } from '../../data/helper/createDimensions';\nexport var dataStack = {\n  isDimensionStacked: isDimensionStacked,\n  enableDataStack: enableDataStack,\n  getStackedDimension: getStackedDimension\n};\n/**\n * Create a symbol element with given symbol configuration: shape, x, y, width, height, color\n * @param {string} symbolDesc\n * @param {number} x\n * @param {number} y\n * @param {number} w\n * @param {number} h\n * @param {string} color\n */\n\nexport { createSymbol } from '../../util/symbol';\n/**\n * Create scale\n * @param {Array.<number>} dataExtent\n * @param {Object|module:echarts/Model} option If `optoin.type`\n *        is secified, it can only be `'value'` currently.\n */\n\nexport function createScale(dataExtent, option) {\n  var axisModel = option;\n\n  if (!(option instanceof Model)) {\n    axisModel = new Model(option); // FIXME\n    // Currently AxisModelCommonMixin has nothing to do with the\n    // the requirements of `axisHelper.createScaleByModel`. For\n    // example the method `getCategories` and `getOrdinalMeta`\n    // are required for `'category'` axis, and ecModel are required\n    // for `'time'` axis. But occationally echarts-gl happened\n    // to only use `'value'` axis.\n    // zrUtil.mixin(axisModel, AxisModelCommonMixin);\n  }\n\n  var scale = axisHelper.createScaleByModel(axisModel);\n  scale.setExtent(dataExtent[0], dataExtent[1]);\n  axisHelper.niceScaleExtent(scale, axisModel);\n  return scale;\n}\n/**\n * Mixin common methods to axis model,\n *\n * Inlcude methods\n * `getFormattedLabels() => Array.<string>`\n * `getCategories() => Array.<string>`\n * `getMin(origin: boolean) => number`\n * `getMax(origin: boolean) => number`\n * `getNeedCrossZero() => boolean`\n */\n\nexport function mixinAxisModelCommonMethods(Model) {\n  zrUtil.mixin(Model, AxisModelCommonMixin);\n}\nexport { getECData };\nexport { enableHoverEmphasis } from '../../util/states';\nexport function createTextStyle(textStyleModel, opts) {\n  opts = opts || {};\n  return innerCreateTextStyle(textStyleModel, null, null, opts.state !== 'normal');\n}","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n// These APIs are for more advanced usages\n// For example extend charts and components, creating graphic elements, formatting.\nimport ComponentModel from '../model/Component';\nimport ComponentView from '../view/Component';\nimport SeriesModel from '../model/Series';\nimport ChartView from '../view/Chart';\nimport * as zrender_1 from 'zrender/lib/zrender';\nexport { zrender_1 as zrender };\nimport * as matrix_1 from 'zrender/lib/core/matrix';\nexport { matrix_1 as matrix };\nimport * as vector_1 from 'zrender/lib/core/vector';\nexport { vector_1 as vector };\nimport * as zrUtil_1 from 'zrender/lib/core/util';\nexport { zrUtil_1 as zrUtil };\nimport * as color_1 from 'zrender/lib/tool/color';\nexport { color_1 as color };\nexport { throttle } from '../util/throttle';\nimport * as helper_1 from './api/helper';\nexport { helper_1 as helper };\nexport { use } from '../extension'; //////////////// Helper Methods /////////////////////\n\nexport { default as parseGeoJSON } from '../coord/geo/parseGeoJson';\nexport { default as parseGeoJson } from '../coord/geo/parseGeoJson';\nimport * as number_1 from './api/number';\nexport { number_1 as number };\nimport * as time_1 from './api/time';\nexport { time_1 as time };\nimport * as graphic_1 from './api/graphic';\nexport { graphic_1 as graphic };\nimport * as format_1 from './api/format';\nexport { format_1 as format };\nimport * as util_1 from './api/util';\nexport { util_1 as util };\nexport { default as env } from 'zrender/lib/core/env'; //////////////// Export for Exension Usage ////////////////\n\nexport { default as List } from '../data/List';\nexport { default as Model } from '../model/Model';\nexport { default as Axis } from '../coord/Axis';\nexport { ComponentModel, ComponentView, SeriesModel, ChartView }; // Only for GL\n\nexport { brushSingle as innerDrawElementOnCanvas } from 'zrender/lib/canvas/graphic'; //////////////// Deprecated Extension Methods ////////////////\n// Should use `ComponentModel.extend` or `class XXXX extend ComponentModel` to create class.\n// Then use `registerComponentModel` in `install` parameter when `use` this extension. For example:\n// class Bar3DModel extends ComponentModel {}\n// export function install(registers) { regsiters.registerComponentModel(Bar3DModel); }\n// echarts.use(install);\n\nexport function extendComponentModel(proto) {\n  var Model = ComponentModel.extend(proto);\n  ComponentModel.registerClass(Model);\n  return Model;\n}\nexport function extendComponentView(proto) {\n  var View = ComponentView.extend(proto);\n  ComponentView.registerClass(View);\n  return View;\n}\nexport function extendSeriesModel(proto) {\n  var Model = SeriesModel.extend(proto);\n  SeriesModel.registerClass(Model);\n  return Model;\n}\nexport function extendChartView(proto) {\n  var View = ChartView.extend(proto);\n  ChartView.registerClass(View);\n  return View;\n}","import { Operator } from '../Operator';\nimport { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { OperatorFunction } from '../types';\n\n/**\n * Groups pairs of consecutive emissions together and emits them as an array of\n * two values.\n *\n * <span class=\"informal\">Puts the current value and previous value together as\n * an array, and emits that.</span>\n *\n * ![](pairwise.png)\n *\n * The Nth emission from the source Observable will cause the output Observable\n * to emit an array [(N-1)th, Nth] of the previous and the current value, as a\n * pair. For this reason, `pairwise` emits on the second and subsequent\n * emissions from the source Observable, but not on the first emission, because\n * there is no previous value in that case.\n *\n * ## Example\n * On every click (starting from the second), emit the relative distance to the previous click\n * ```ts\n * import { fromEvent } from 'rxjs';\n * import { pairwise, map } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const pairs = clicks.pipe(pairwise());\n * const distance = pairs.pipe(\n *   map(pair => {\n *     const x0 = pair[0].clientX;\n *     const y0 = pair[0].clientY;\n *     const x1 = pair[1].clientX;\n *     const y1 = pair[1].clientY;\n *     return Math.sqrt(Math.pow(x0 - x1, 2) + Math.pow(y0 - y1, 2));\n *   }),\n * );\n * distance.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link buffer}\n * @see {@link bufferCount}\n *\n * @return {Observable<Array<T>>} An Observable of pairs (as arrays) of\n * consecutive values from the source Observable.\n * @method pairwise\n * @owner Observable\n */\nexport function pairwise<T>(): OperatorFunction<T, [T, T]> {\n  return (source: Observable<T>) => source.lift(new PairwiseOperator());\n}\n\nclass PairwiseOperator<T> implements Operator<T, [T, T]> {\n  call(subscriber: Subscriber<[T, T]>, source: any): any {\n    return source.subscribe(new PairwiseSubscriber(subscriber));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass PairwiseSubscriber<T> extends Subscriber<T> {\n  private prev: T;\n  private hasPrev: boolean = false;\n\n  constructor(destination: Subscriber<[T, T]>) {\n    super(destination);\n  }\n\n  _next(value: T): void {\n    let pair: [T, T] | undefined;\n\n    if (this.hasPrev) {\n      pair = [this.prev, value];\n    } else {\n      this.hasPrev = true;\n    }\n\n    this.prev = value;\n\n    if (pair) {\n      this.destination.next(pair);\n    }\n  }\n}\n","import { __extends } from \"tslib\";\nimport Path from '../Path';\nimport * as vec2 from '../../core/vector';\nimport { quadraticSubdivide, cubicSubdivide, quadraticAt, cubicAt, quadraticDerivativeAt, cubicDerivativeAt } from '../../core/curve';\nvar out = [];\nvar BezierCurveShape = (function () {\n    function BezierCurveShape() {\n        this.x1 = 0;\n        this.y1 = 0;\n        this.x2 = 0;\n        this.y2 = 0;\n        this.cpx1 = 0;\n        this.cpy1 = 0;\n        this.percent = 1;\n    }\n    return BezierCurveShape;\n}());\nexport { BezierCurveShape };\nfunction someVectorAt(shape, t, isTangent) {\n    var cpx2 = shape.cpx2;\n    var cpy2 = shape.cpy2;\n    if (cpx2 === null || cpy2 === null) {\n        return [\n            (isTangent ? cubicDerivativeAt : cubicAt)(shape.x1, shape.cpx1, shape.cpx2, shape.x2, t),\n            (isTangent ? cubicDerivativeAt : cubicAt)(shape.y1, shape.cpy1, shape.cpy2, shape.y2, t)\n        ];\n    }\n    else {\n        return [\n            (isTangent ? quadraticDerivativeAt : quadraticAt)(shape.x1, shape.cpx1, shape.x2, t),\n            (isTangent ? quadraticDerivativeAt : quadraticAt)(shape.y1, shape.cpy1, shape.y2, t)\n        ];\n    }\n}\nvar BezierCurve = (function (_super) {\n    __extends(BezierCurve, _super);\n    function BezierCurve(opts) {\n        return _super.call(this, opts) || this;\n    }\n    BezierCurve.prototype.getDefaultStyle = function () {\n        return {\n            stroke: '#000',\n            fill: null\n        };\n    };\n    BezierCurve.prototype.getDefaultShape = function () {\n        return new BezierCurveShape();\n    };\n    BezierCurve.prototype.buildPath = function (ctx, shape) {\n        var x1 = shape.x1;\n        var y1 = shape.y1;\n        var x2 = shape.x2;\n        var y2 = shape.y2;\n        var cpx1 = shape.cpx1;\n        var cpy1 = shape.cpy1;\n        var cpx2 = shape.cpx2;\n        var cpy2 = shape.cpy2;\n        var percent = shape.percent;\n        if (percent === 0) {\n            return;\n        }\n        ctx.moveTo(x1, y1);\n        if (cpx2 == null || cpy2 == null) {\n            if (percent < 1) {\n                quadraticSubdivide(x1, cpx1, x2, percent, out);\n                cpx1 = out[1];\n                x2 = out[2];\n                quadraticSubdivide(y1, cpy1, y2, percent, out);\n                cpy1 = out[1];\n                y2 = out[2];\n            }\n            ctx.quadraticCurveTo(cpx1, cpy1, x2, y2);\n        }\n        else {\n            if (percent < 1) {\n                cubicSubdivide(x1, cpx1, cpx2, x2, percent, out);\n                cpx1 = out[1];\n                cpx2 = out[2];\n                x2 = out[3];\n                cubicSubdivide(y1, cpy1, cpy2, y2, percent, out);\n                cpy1 = out[1];\n                cpy2 = out[2];\n                y2 = out[3];\n            }\n            ctx.bezierCurveTo(cpx1, cpy1, cpx2, cpy2, x2, y2);\n        }\n    };\n    BezierCurve.prototype.pointAt = function (t) {\n        return someVectorAt(this.shape, t, false);\n    };\n    BezierCurve.prototype.tangentAt = function (t) {\n        var p = someVectorAt(this.shape, t, true);\n        return vec2.normalize(p, p);\n    };\n    return BezierCurve;\n}(Path));\n;\nBezierCurve.prototype.type = 'bezier-curve';\nexport default BezierCurve;\n","/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nexport enum TagContentType {\n  RAW_TEXT,\n  ESCAPABLE_RAW_TEXT,\n  PARSABLE_DATA\n}\n\nexport interface TagDefinition {\n  closedByParent: boolean;\n  implicitNamespacePrefix: string|null;\n  contentType: TagContentType;\n  isVoid: boolean;\n  ignoreFirstLf: boolean;\n  canSelfClose: boolean;\n\n  isClosedByChild(name: string): boolean;\n}\n\nexport function splitNsName(elementName: string): [string | null, string] {\n  if (elementName[0] != ':') {\n    return [null, elementName];\n  }\n\n  const colonIndex = elementName.indexOf(':', 1);\n\n  if (colonIndex == -1) {\n    throw new Error(`Unsupported format \"${elementName}\" expecting \":namespace:name\"`);\n  }\n\n  return [elementName.slice(1, colonIndex), elementName.slice(colonIndex + 1)];\n}\n\n// `<ng-container>` tags work the same regardless the namespace\nexport function isNgContainer(tagName: string): boolean {\n  return splitNsName(tagName)[1] === 'ng-container';\n}\n\n// `<ng-content>` tags work the same regardless the namespace\nexport function isNgContent(tagName: string): boolean {\n  return splitNsName(tagName)[1] === 'ng-content';\n}\n\n// `<ng-template>` tags work the same regardless the namespace\nexport function isNgTemplate(tagName: string): boolean {\n  return splitNsName(tagName)[1] === 'ng-template';\n}\n\nexport function getNsPrefix(fullName: string): string;\nexport function getNsPrefix(fullName: null): null;\nexport function getNsPrefix(fullName: string | null): string|null {\n  return fullName === null ? null : splitNsName(fullName)[0];\n}\n\nexport function mergeNsAndName(prefix: string, localName: string): string {\n  return prefix ? `:${prefix}:${localName}` : localName;\n}\n\n// see http://www.w3.org/TR/html51/syntax.html#named-character-references\n// see https://html.spec.whatwg.org/multipage/entities.json\n// This list is not exhaustive to keep the compiler footprint low.\n// The `&#123;` / `&#x1ab;` syntax should be used when the named character reference does not\n// exist.\nexport const NAMED_ENTITIES: {[k: string]: string} = {\n  'Aacute': '\\u00C1',\n  'aacute': '\\u00E1',\n  'Acirc': '\\u00C2',\n  'acirc': '\\u00E2',\n  'acute': '\\u00B4',\n  'AElig': '\\u00C6',\n  'aelig': '\\u00E6',\n  'Agrave': '\\u00C0',\n  'agrave': '\\u00E0',\n  'alefsym': '\\u2135',\n  'Alpha': '\\u0391',\n  'alpha': '\\u03B1',\n  'amp': '&',\n  'and': '\\u2227',\n  'ang': '\\u2220',\n  'apos': '\\u0027',\n  'Aring': '\\u00C5',\n  'aring': '\\u00E5',\n  'asymp': '\\u2248',\n  'Atilde': '\\u00C3',\n  'atilde': '\\u00E3',\n  'Auml': '\\u00C4',\n  'auml': '\\u00E4',\n  'bdquo': '\\u201E',\n  'Beta': '\\u0392',\n  'beta': '\\u03B2',\n  'brvbar': '\\u00A6',\n  'bull': '\\u2022',\n  'cap': '\\u2229',\n  'Ccedil': '\\u00C7',\n  'ccedil': '\\u00E7',\n  'cedil': '\\u00B8',\n  'cent': '\\u00A2',\n  'Chi': '\\u03A7',\n  'chi': '\\u03C7',\n  'circ': '\\u02C6',\n  'clubs': '\\u2663',\n  'cong': '\\u2245',\n  'copy': '\\u00A9',\n  'crarr': '\\u21B5',\n  'cup': '\\u222A',\n  'curren': '\\u00A4',\n  'dagger': '\\u2020',\n  'Dagger': '\\u2021',\n  'darr': '\\u2193',\n  'dArr': '\\u21D3',\n  'deg': '\\u00B0',\n  'Delta': '\\u0394',\n  'delta': '\\u03B4',\n  'diams': '\\u2666',\n  'divide': '\\u00F7',\n  'Eacute': '\\u00C9',\n  'eacute': '\\u00E9',\n  'Ecirc': '\\u00CA',\n  'ecirc': '\\u00EA',\n  'Egrave': '\\u00C8',\n  'egrave': '\\u00E8',\n  'empty': '\\u2205',\n  'emsp': '\\u2003',\n  'ensp': '\\u2002',\n  'Epsilon': '\\u0395',\n  'epsilon': '\\u03B5',\n  'equiv': '\\u2261',\n  'Eta': '\\u0397',\n  'eta': '\\u03B7',\n  'ETH': '\\u00D0',\n  'eth': '\\u00F0',\n  'Euml': '\\u00CB',\n  'euml': '\\u00EB',\n  'euro': '\\u20AC',\n  'exist': '\\u2203',\n  'fnof': '\\u0192',\n  'forall': '\\u2200',\n  'frac12': '\\u00BD',\n  'frac14': '\\u00BC',\n  'frac34': '\\u00BE',\n  'frasl': '\\u2044',\n  'Gamma': '\\u0393',\n  'gamma': '\\u03B3',\n  'ge': '\\u2265',\n  'gt': '>',\n  'harr': '\\u2194',\n  'hArr': '\\u21D4',\n  'hearts': '\\u2665',\n  'hellip': '\\u2026',\n  'Iacute': '\\u00CD',\n  'iacute': '\\u00ED',\n  'Icirc': '\\u00CE',\n  'icirc': '\\u00EE',\n  'iexcl': '\\u00A1',\n  'Igrave': '\\u00CC',\n  'igrave': '\\u00EC',\n  'image': '\\u2111',\n  'infin': '\\u221E',\n  'int': '\\u222B',\n  'Iota': '\\u0399',\n  'iota': '\\u03B9',\n  'iquest': '\\u00BF',\n  'isin': '\\u2208',\n  'Iuml': '\\u00CF',\n  'iuml': '\\u00EF',\n  'Kappa': '\\u039A',\n  'kappa': '\\u03BA',\n  'Lambda': '\\u039B',\n  'lambda': '\\u03BB',\n  'lang': '\\u27E8',\n  'laquo': '\\u00AB',\n  'larr': '\\u2190',\n  'lArr': '\\u21D0',\n  'lceil': '\\u2308',\n  'ldquo': '\\u201C',\n  'le': '\\u2264',\n  'lfloor': '\\u230A',\n  'lowast': '\\u2217',\n  'loz': '\\u25CA',\n  'lrm': '\\u200E',\n  'lsaquo': '\\u2039',\n  'lsquo': '\\u2018',\n  'lt': '<',\n  'macr': '\\u00AF',\n  'mdash': '\\u2014',\n  'micro': '\\u00B5',\n  'middot': '\\u00B7',\n  'minus': '\\u2212',\n  'Mu': '\\u039C',\n  'mu': '\\u03BC',\n  'nabla': '\\u2207',\n  'nbsp': '\\u00A0',\n  'ndash': '\\u2013',\n  'ne': '\\u2260',\n  'ni': '\\u220B',\n  'not': '\\u00AC',\n  'notin': '\\u2209',\n  'nsub': '\\u2284',\n  'Ntilde': '\\u00D1',\n  'ntilde': '\\u00F1',\n  'Nu': '\\u039D',\n  'nu': '\\u03BD',\n  'Oacute': '\\u00D3',\n  'oacute': '\\u00F3',\n  'Ocirc': '\\u00D4',\n  'ocirc': '\\u00F4',\n  'OElig': '\\u0152',\n  'oelig': '\\u0153',\n  'Ograve': '\\u00D2',\n  'ograve': '\\u00F2',\n  'oline': '\\u203E',\n  'Omega': '\\u03A9',\n  'omega': '\\u03C9',\n  'Omicron': '\\u039F',\n  'omicron': '\\u03BF',\n  'oplus': '\\u2295',\n  'or': '\\u2228',\n  'ordf': '\\u00AA',\n  'ordm': '\\u00BA',\n  'Oslash': '\\u00D8',\n  'oslash': '\\u00F8',\n  'Otilde': '\\u00D5',\n  'otilde': '\\u00F5',\n  'otimes': '\\u2297',\n  'Ouml': '\\u00D6',\n  'ouml': '\\u00F6',\n  'para': '\\u00B6',\n  'permil': '\\u2030',\n  'perp': '\\u22A5',\n  'Phi': '\\u03A6',\n  'phi': '\\u03C6',\n  'Pi': '\\u03A0',\n  'pi': '\\u03C0',\n  'piv': '\\u03D6',\n  'plusmn': '\\u00B1',\n  'pound': '\\u00A3',\n  'prime': '\\u2032',\n  'Prime': '\\u2033',\n  'prod': '\\u220F',\n  'prop': '\\u221D',\n  'Psi': '\\u03A8',\n  'psi': '\\u03C8',\n  'quot': '\\u0022',\n  'radic': '\\u221A',\n  'rang': '\\u27E9',\n  'raquo': '\\u00BB',\n  'rarr': '\\u2192',\n  'rArr': '\\u21D2',\n  'rceil': '\\u2309',\n  'rdquo': '\\u201D',\n  'real': '\\u211C',\n  'reg': '\\u00AE',\n  'rfloor': '\\u230B',\n  'Rho': '\\u03A1',\n  'rho': '\\u03C1',\n  'rlm': '\\u200F',\n  'rsaquo': '\\u203A',\n  'rsquo': '\\u2019',\n  'sbquo': '\\u201A',\n  'Scaron': '\\u0160',\n  'scaron': '\\u0161',\n  'sdot': '\\u22C5',\n  'sect': '\\u00A7',\n  'shy': '\\u00AD',\n  'Sigma': '\\u03A3',\n  'sigma': '\\u03C3',\n  'sigmaf': '\\u03C2',\n  'sim': '\\u223C',\n  'spades': '\\u2660',\n  'sub': '\\u2282',\n  'sube': '\\u2286',\n  'sum': '\\u2211',\n  'sup': '\\u2283',\n  'sup1': '\\u00B9',\n  'sup2': '\\u00B2',\n  'sup3': '\\u00B3',\n  'supe': '\\u2287',\n  'szlig': '\\u00DF',\n  'Tau': '\\u03A4',\n  'tau': '\\u03C4',\n  'there4': '\\u2234',\n  'Theta': '\\u0398',\n  'theta': '\\u03B8',\n  'thetasym': '\\u03D1',\n  'thinsp': '\\u2009',\n  'THORN': '\\u00DE',\n  'thorn': '\\u00FE',\n  'tilde': '\\u02DC',\n  'times': '\\u00D7',\n  'trade': '\\u2122',\n  'Uacute': '\\u00DA',\n  'uacute': '\\u00FA',\n  'uarr': '\\u2191',\n  'uArr': '\\u21D1',\n  'Ucirc': '\\u00DB',\n  'ucirc': '\\u00FB',\n  'Ugrave': '\\u00D9',\n  'ugrave': '\\u00F9',\n  'uml': '\\u00A8',\n  'upsih': '\\u03D2',\n  'Upsilon': '\\u03A5',\n  'upsilon': '\\u03C5',\n  'Uuml': '\\u00DC',\n  'uuml': '\\u00FC',\n  'weierp': '\\u2118',\n  'Xi': '\\u039E',\n  'xi': '\\u03BE',\n  'Yacute': '\\u00DD',\n  'yacute': '\\u00FD',\n  'yen': '\\u00A5',\n  'yuml': '\\u00FF',\n  'Yuml': '\\u0178',\n  'Zeta': '\\u0396',\n  'zeta': '\\u03B6',\n  'zwj': '\\u200D',\n  'zwnj': '\\u200C',\n};\n\n// The &ngsp; pseudo-entity is denoting a space. see:\n// https://github.com/dart-lang/angular/blob/0bb611387d29d65b5af7f9d2515ab571fd3fbee4/_tests/test/compiler/preserve_whitespace_test.dart\nexport const NGSP_UNICODE = '\\uE500';\n\nNAMED_ENTITIES['ngsp'] = NGSP_UNICODE;\n","/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {ConstantPool} from './constant_pool';\n\nimport * as o from './output/output_ast';\nimport {ParseError} from './parse_util';\n\nconst DASH_CASE_REGEXP = /-+([a-z0-9])/g;\n\nexport function dashCaseToCamelCase(input: string): string {\n  return input.replace(DASH_CASE_REGEXP, (...m: any[]) => m[1].toUpperCase());\n}\n\nexport function splitAtColon(input: string, defaultValues: string[]): string[] {\n  return _splitAt(input, ':', defaultValues);\n}\n\nexport function splitAtPeriod(input: string, defaultValues: string[]): string[] {\n  return _splitAt(input, '.', defaultValues);\n}\n\nfunction _splitAt(input: string, character: string, defaultValues: string[]): string[] {\n  const characterIndex = input.indexOf(character);\n  if (characterIndex == -1) return defaultValues;\n  return [input.slice(0, characterIndex).trim(), input.slice(characterIndex + 1).trim()];\n}\n\nexport function visitValue(value: any, visitor: ValueVisitor, context: any): any {\n  if (Array.isArray(value)) {\n    return visitor.visitArray(<any[]>value, context);\n  }\n\n  if (isStrictStringMap(value)) {\n    return visitor.visitStringMap(<{[key: string]: any}>value, context);\n  }\n\n  if (value == null || typeof value == 'string' || typeof value == 'number' ||\n      typeof value == 'boolean') {\n    return visitor.visitPrimitive(value, context);\n  }\n\n  return visitor.visitOther(value, context);\n}\n\nexport function isDefined(val: any): boolean {\n  return val !== null && val !== undefined;\n}\n\nexport function noUndefined<T>(val: T | undefined): T {\n  return val === undefined ? null ! : val;\n}\n\nexport interface ValueVisitor {\n  visitArray(arr: any[], context: any): any;\n  visitStringMap(map: {[key: string]: any}, context: any): any;\n  visitPrimitive(value: any, context: any): any;\n  visitOther(value: any, context: any): any;\n}\n\nexport class ValueTransformer implements ValueVisitor {\n  visitArray(arr: any[], context: any): any {\n    return arr.map(value => visitValue(value, this, context));\n  }\n  visitStringMap(map: {[key: string]: any}, context: any): any {\n    const result: {[key: string]: any} = {};\n    Object.keys(map).forEach(key => { result[key] = visitValue(map[key], this, context); });\n    return result;\n  }\n  visitPrimitive(value: any, context: any): any { return value; }\n  visitOther(value: any, context: any): any { return value; }\n}\n\nexport type SyncAsync<T> = T | Promise<T>;\n\nexport const SyncAsync = {\n  assertSync: <T>(value: SyncAsync<T>): T => {\n    if (isPromise(value)) {\n      throw new Error(`Illegal state: value cannot be a promise`);\n    }\n    return value;\n  },\n  then: <T, R>(value: SyncAsync<T>, cb: (value: T) => R | Promise<R>| SyncAsync<R>):\n            SyncAsync<R> => { return isPromise(value) ? value.then(cb) : cb(value);},\n  all: <T>(syncAsyncValues: SyncAsync<T>[]): SyncAsync<T[]> => {\n    return syncAsyncValues.some(isPromise) ? Promise.all(syncAsyncValues) : syncAsyncValues as T[];\n  }\n};\n\nexport function error(msg: string): never {\n  throw new Error(`Internal Error: ${msg}`);\n}\n\nexport function syntaxError(msg: string, parseErrors?: ParseError[]): Error {\n  const error = Error(msg);\n  (error as any)[ERROR_SYNTAX_ERROR] = true;\n  if (parseErrors) (error as any)[ERROR_PARSE_ERRORS] = parseErrors;\n  return error;\n}\n\nconst ERROR_SYNTAX_ERROR = 'ngSyntaxError';\nconst ERROR_PARSE_ERRORS = 'ngParseErrors';\n\nexport function isSyntaxError(error: Error): boolean {\n  return (error as any)[ERROR_SYNTAX_ERROR];\n}\n\nexport function getParseErrors(error: Error): ParseError[] {\n  return (error as any)[ERROR_PARSE_ERRORS] || [];\n}\n\n// Escape characters that have a special meaning in Regular Expressions\nexport function escapeRegExp(s: string): string {\n  return s.replace(/([.*+?^=!:${}()|[\\]\\/\\\\])/g, '\\\\$1');\n}\n\nconst STRING_MAP_PROTO = Object.getPrototypeOf({});\nfunction isStrictStringMap(obj: any): boolean {\n  return typeof obj === 'object' && obj !== null && Object.getPrototypeOf(obj) === STRING_MAP_PROTO;\n}\n\nexport function utf8Encode(str: string): string {\n  let encoded = '';\n  for (let index = 0; index < str.length; index++) {\n    let codePoint = str.charCodeAt(index);\n\n    // decode surrogate\n    // see https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae\n    if (codePoint >= 0xd800 && codePoint <= 0xdbff && str.length > (index + 1)) {\n      const low = str.charCodeAt(index + 1);\n      if (low >= 0xdc00 && low <= 0xdfff) {\n        index++;\n        codePoint = ((codePoint - 0xd800) << 10) + low - 0xdc00 + 0x10000;\n      }\n    }\n\n    if (codePoint <= 0x7f) {\n      encoded += String.fromCharCode(codePoint);\n    } else if (codePoint <= 0x7ff) {\n      encoded += String.fromCharCode(((codePoint >> 6) & 0x1F) | 0xc0, (codePoint & 0x3f) | 0x80);\n    } else if (codePoint <= 0xffff) {\n      encoded += String.fromCharCode(\n          (codePoint >> 12) | 0xe0, ((codePoint >> 6) & 0x3f) | 0x80, (codePoint & 0x3f) | 0x80);\n    } else if (codePoint <= 0x1fffff) {\n      encoded += String.fromCharCode(\n          ((codePoint >> 18) & 0x07) | 0xf0, ((codePoint >> 12) & 0x3f) | 0x80,\n          ((codePoint >> 6) & 0x3f) | 0x80, (codePoint & 0x3f) | 0x80);\n    }\n  }\n\n  return encoded;\n}\n\nexport interface OutputContext {\n  genFilePath: string;\n  statements: o.Statement[];\n  constantPool: ConstantPool;\n  importExpr(reference: any, typeParams?: o.Type[]|null, useSummaries?: boolean): o.Expression;\n}\n\nexport function stringify(token: any): string {\n  if (typeof token === 'string') {\n    return token;\n  }\n\n  if (Array.isArray(token)) {\n    return '[' + token.map(stringify).join(', ') + ']';\n  }\n\n  if (token == null) {\n    return '' + token;\n  }\n\n  if (token.overriddenName) {\n    return `${token.overriddenName}`;\n  }\n\n  if (token.name) {\n    return `${token.name}`;\n  }\n\n  if (!token.toString) {\n    return 'object';\n  }\n\n  // WARNING: do not try to `JSON.stringify(token)` here\n  // see https://github.com/angular/angular/issues/23440\n  const res = token.toString();\n\n  if (res == null) {\n    return '' + res;\n  }\n\n  const newLineIndex = res.indexOf('\\n');\n  return newLineIndex === -1 ? res : res.substring(0, newLineIndex);\n}\n\n/**\n * Lazily retrieves the reference value from a forwardRef.\n */\nexport function resolveForwardRef(type: any): any {\n  if (typeof type === 'function' && type.hasOwnProperty('__forward_ref__')) {\n    return type();\n  } else {\n    return type;\n  }\n}\n\n/**\n * Determine if the argument is shaped like a Promise\n */\nexport function isPromise(obj: any): obj is Promise<any> {\n  // allow any Promise/A+ compliant thenable.\n  // It's up to the caller to ensure that obj.then conforms to the spec\n  return !!obj && typeof obj.then === 'function';\n}\n\nexport class Version {\n  public readonly major: string;\n  public readonly minor: string;\n  public readonly patch: string;\n\n  constructor(public full: string) {\n    const splits = full.split('.');\n    this.major = splits[0];\n    this.minor = splits[1];\n    this.patch = splits.slice(2).join('.');\n  }\n}\n\nexport interface Console {\n  log(message: string): void;\n  warn(message: string): void;\n}\n\n\ndeclare var WorkerGlobalScope: any;\n// CommonJS / Node have global context exposed as \"global\" variable.\n// We don't want to include the whole node.d.ts this this compilation unit so we'll just fake\n// the global \"global\" var for now.\ndeclare var global: any;\nconst __window = typeof window !== 'undefined' && window;\nconst __self = typeof self !== 'undefined' && typeof WorkerGlobalScope !== 'undefined' &&\n    self instanceof WorkerGlobalScope && self;\nconst __global = typeof global !== 'undefined' && global;\n\n// Check __global first, because in Node tests both __global and __window may be defined and _global\n// should be __global in that case.\nconst _global: {[name: string]: any} = __global || __window || __self;\nexport {_global as global};\n\nexport function newArray<T = any>(size: number): T[];\nexport function newArray<T>(size: number, value: T): T[];\nexport function newArray<T>(size: number, value?: T): T[] {\n  const list: T[] = [];\n  for (let i = 0; i < size; i++) {\n    list.push(value !);\n  }\n  return list;\n}","/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {AstPath} from '../ast_path';\nimport {CompileDirectiveSummary, CompileProviderMetadata, CompileTokenMetadata} from '../compile_metadata';\nimport {SecurityContext} from '../core';\nimport {AST, BindingType, BoundElementProperty, ParsedEvent, ParsedEventType, ParsedVariable} from '../expression_parser/ast';\nimport {LifecycleHooks} from '../lifecycle_reflector';\nimport {ParseSourceSpan} from '../parse_util';\n\n\n\n/**\n * An Abstract Syntax Tree node representing part of a parsed Angular template.\n */\nexport interface TemplateAst {\n  /**\n   * The source span from which this node was parsed.\n   */\n  sourceSpan: ParseSourceSpan;\n\n  /**\n   * Visit this node and possibly transform it.\n   */\n  visit(visitor: TemplateAstVisitor, context: any): any;\n}\n\n/**\n * A segment of text within the template.\n */\nexport class TextAst implements TemplateAst {\n  constructor(\n      public value: string, public ngContentIndex: number, public sourceSpan: ParseSourceSpan) {}\n  visit(visitor: TemplateAstVisitor, context: any): any { return visitor.visitText(this, context); }\n}\n\n/**\n * A bound expression within the text of a template.\n */\nexport class BoundTextAst implements TemplateAst {\n  constructor(\n      public value: AST, public ngContentIndex: number, public sourceSpan: ParseSourceSpan) {}\n  visit(visitor: TemplateAstVisitor, context: any): any {\n    return visitor.visitBoundText(this, context);\n  }\n}\n\n/**\n * A plain attribute on an element.\n */\nexport class AttrAst implements TemplateAst {\n  constructor(public name: string, public value: string, public sourceSpan: ParseSourceSpan) {}\n  visit(visitor: TemplateAstVisitor, context: any): any { return visitor.visitAttr(this, context); }\n}\n\nexport const enum PropertyBindingType {\n  // A normal binding to a property (e.g. `[property]=\"expression\"`).\n  Property,\n  // A binding to an element attribute (e.g. `[attr.name]=\"expression\"`).\n  Attribute,\n  // A binding to a CSS class (e.g. `[class.name]=\"condition\"`).\n  Class,\n  // A binding to a style rule (e.g. `[style.rule]=\"expression\"`).\n  Style,\n  // A binding to an animation reference (e.g. `[animate.key]=\"expression\"`).\n  Animation,\n}\n\nconst BoundPropertyMapping = {\n  [BindingType.Animation]: PropertyBindingType.Animation,\n  [BindingType.Attribute]: PropertyBindingType.Attribute,\n  [BindingType.Class]: PropertyBindingType.Class,\n  [BindingType.Property]: PropertyBindingType.Property,\n  [BindingType.Style]: PropertyBindingType.Style,\n};\n\n/**\n * A binding for an element property (e.g. `[property]=\"expression\"`) or an animation trigger (e.g.\n * `[@trigger]=\"stateExp\"`)\n */\nexport class BoundElementPropertyAst implements TemplateAst {\n  readonly isAnimation: boolean;\n\n  constructor(\n      public name: string, public type: PropertyBindingType,\n      public securityContext: SecurityContext, public value: AST, public unit: string|null,\n      public sourceSpan: ParseSourceSpan) {\n    this.isAnimation = this.type === PropertyBindingType.Animation;\n  }\n\n  static fromBoundProperty(prop: BoundElementProperty) {\n    const type = BoundPropertyMapping[prop.type];\n    return new BoundElementPropertyAst(\n        prop.name, type, prop.securityContext, prop.value, prop.unit, prop.sourceSpan);\n  }\n\n  visit(visitor: TemplateAstVisitor, context: any): any {\n    return visitor.visitElementProperty(this, context);\n  }\n}\n\n/**\n * A binding for an element event (e.g. `(event)=\"handler()\"`) or an animation trigger event (e.g.\n * `(@trigger.phase)=\"callback($event)\"`).\n */\nexport class BoundEventAst implements TemplateAst {\n  readonly fullName: string;\n  readonly isAnimation: boolean;\n\n  constructor(\n      public name: string, public target: string|null, public phase: string|null,\n      public handler: AST, public sourceSpan: ParseSourceSpan,\n      public handlerSpan: ParseSourceSpan) {\n    this.fullName = BoundEventAst.calcFullName(this.name, this.target, this.phase);\n    this.isAnimation = !!this.phase;\n  }\n\n  static calcFullName(name: string, target: string|null, phase: string|null): string {\n    if (target) {\n      return `${target}:${name}`;\n    }\n    if (phase) {\n      return `@${name}.${phase}`;\n    }\n\n    return name;\n  }\n\n  static fromParsedEvent(event: ParsedEvent) {\n    const target: string|null = event.type === ParsedEventType.Regular ? event.targetOrPhase : null;\n    const phase: string|null =\n        event.type === ParsedEventType.Animation ? event.targetOrPhase : null;\n    return new BoundEventAst(\n        event.name, target, phase, event.handler, event.sourceSpan, event.handlerSpan);\n  }\n\n  visit(visitor: TemplateAstVisitor, context: any): any {\n    return visitor.visitEvent(this, context);\n  }\n}\n\n/**\n * A reference declaration on an element (e.g. `let someName=\"expression\"`).\n */\nexport class ReferenceAst implements TemplateAst {\n  constructor(\n      public name: string, public value: CompileTokenMetadata, public originalValue: string,\n      public sourceSpan: ParseSourceSpan) {}\n  visit(visitor: TemplateAstVisitor, context: any): any {\n    return visitor.visitReference(this, context);\n  }\n}\n\n/**\n * A variable declaration on a <ng-template> (e.g. `var-someName=\"someLocalName\"`).\n */\nexport class VariableAst implements TemplateAst {\n  constructor(public name: string, public value: string, public sourceSpan: ParseSourceSpan) {}\n\n  static fromParsedVariable(v: ParsedVariable) {\n    return new VariableAst(v.name, v.value, v.sourceSpan);\n  }\n\n  visit(visitor: TemplateAstVisitor, context: any): any {\n    return visitor.visitVariable(this, context);\n  }\n}\n\n/**\n * An element declaration in a template.\n */\nexport class ElementAst implements TemplateAst {\n  constructor(\n      public name: string, public attrs: AttrAst[], public inputs: BoundElementPropertyAst[],\n      public outputs: BoundEventAst[], public references: ReferenceAst[],\n      public directives: DirectiveAst[], public providers: ProviderAst[],\n      public hasViewContainer: boolean, public queryMatches: QueryMatch[],\n      public children: TemplateAst[], public ngContentIndex: number|null,\n      public sourceSpan: ParseSourceSpan, public endSourceSpan: ParseSourceSpan|null) {}\n\n  visit(visitor: TemplateAstVisitor, context: any): any {\n    return visitor.visitElement(this, context);\n  }\n}\n\n/**\n * A `<ng-template>` element included in an Angular template.\n */\nexport class EmbeddedTemplateAst implements TemplateAst {\n  constructor(\n      public attrs: AttrAst[], public outputs: BoundEventAst[], public references: ReferenceAst[],\n      public variables: VariableAst[], public directives: DirectiveAst[],\n      public providers: ProviderAst[], public hasViewContainer: boolean,\n      public queryMatches: QueryMatch[], public children: TemplateAst[],\n      public ngContentIndex: number, public sourceSpan: ParseSourceSpan) {}\n\n  visit(visitor: TemplateAstVisitor, context: any): any {\n    return visitor.visitEmbeddedTemplate(this, context);\n  }\n}\n\n/**\n * A directive property with a bound value (e.g. `*ngIf=\"condition\").\n */\nexport class BoundDirectivePropertyAst implements TemplateAst {\n  constructor(\n      public directiveName: string, public templateName: string, public value: AST,\n      public sourceSpan: ParseSourceSpan) {}\n  visit(visitor: TemplateAstVisitor, context: any): any {\n    return visitor.visitDirectiveProperty(this, context);\n  }\n}\n\n/**\n * A directive declared on an element.\n */\nexport class DirectiveAst implements TemplateAst {\n  constructor(\n      public directive: CompileDirectiveSummary, public inputs: BoundDirectivePropertyAst[],\n      public hostProperties: BoundElementPropertyAst[], public hostEvents: BoundEventAst[],\n      public contentQueryStartId: number, public sourceSpan: ParseSourceSpan) {}\n  visit(visitor: TemplateAstVisitor, context: any): any {\n    return visitor.visitDirective(this, context);\n  }\n}\n\n/**\n * A provider declared on an element\n */\nexport class ProviderAst implements TemplateAst {\n  constructor(\n      public token: CompileTokenMetadata, public multiProvider: boolean, public eager: boolean,\n      public providers: CompileProviderMetadata[], public providerType: ProviderAstType,\n      public lifecycleHooks: LifecycleHooks[], public sourceSpan: ParseSourceSpan,\n      readonly isModule: boolean) {}\n\n  visit(visitor: TemplateAstVisitor, context: any): any {\n    // No visit method in the visitor for now...\n    return null;\n  }\n}\n\nexport enum ProviderAstType {\n  PublicService,\n  PrivateService,\n  Component,\n  Directive,\n  Builtin\n}\n\n/**\n * Position where content is to be projected (instance of `<ng-content>` in a template).\n */\nexport class NgContentAst implements TemplateAst {\n  constructor(\n      public index: number, public ngContentIndex: number, public sourceSpan: ParseSourceSpan) {}\n  visit(visitor: TemplateAstVisitor, context: any): any {\n    return visitor.visitNgContent(this, context);\n  }\n}\n\nexport interface QueryMatch {\n  queryId: number;\n  value: CompileTokenMetadata;\n}\n\n/**\n * A visitor for {@link TemplateAst} trees that will process each node.\n */\nexport interface TemplateAstVisitor {\n  // Returning a truthy value from `visit()` will prevent `templateVisitAll()` from the call to\n  // the typed method and result returned will become the result included in `visitAll()`s\n  // result array.\n  visit?(ast: TemplateAst, context: any): any;\n\n  visitNgContent(ast: NgContentAst, context: any): any;\n  visitEmbeddedTemplate(ast: EmbeddedTemplateAst, context: any): any;\n  visitElement(ast: ElementAst, context: any): any;\n  visitReference(ast: ReferenceAst, context: any): any;\n  visitVariable(ast: VariableAst, context: any): any;\n  visitEvent(ast: BoundEventAst, context: any): any;\n  visitElementProperty(ast: BoundElementPropertyAst, context: any): any;\n  visitAttr(ast: AttrAst, context: any): any;\n  visitBoundText(ast: BoundTextAst, context: any): any;\n  visitText(ast: TextAst, context: any): any;\n  visitDirective(ast: DirectiveAst, context: any): any;\n  visitDirectiveProperty(ast: BoundDirectivePropertyAst, context: any): any;\n}\n\n/**\n * A visitor that accepts each node but doesn't do anything. It is intended to be used\n * as the base class for a visitor that is only interested in a subset of the node types.\n */\nexport class NullTemplateVisitor implements TemplateAstVisitor {\n  visitNgContent(ast: NgContentAst, context: any): void {}\n  visitEmbeddedTemplate(ast: EmbeddedTemplateAst, context: any): void {}\n  visitElement(ast: ElementAst, context: any): void {}\n  visitReference(ast: ReferenceAst, context: any): void {}\n  visitVariable(ast: VariableAst, context: any): void {}\n  visitEvent(ast: BoundEventAst, context: any): void {}\n  visitElementProperty(ast: BoundElementPropertyAst, context: any): void {}\n  visitAttr(ast: AttrAst, context: any): void {}\n  visitBoundText(ast: BoundTextAst, context: any): void {}\n  visitText(ast: TextAst, context: any): void {}\n  visitDirective(ast: DirectiveAst, context: any): void {}\n  visitDirectiveProperty(ast: BoundDirectivePropertyAst, context: any): void {}\n}\n\n/**\n * Base class that can be used to build a visitor that visits each node\n * in an template ast recursively.\n */\nexport class RecursiveTemplateAstVisitor extends NullTemplateVisitor implements TemplateAstVisitor {\n  constructor() { super(); }\n\n  // Nodes with children\n  visitEmbeddedTemplate(ast: EmbeddedTemplateAst, context: any): any {\n    return this.visitChildren(context, visit => {\n      visit(ast.attrs);\n      visit(ast.references);\n      visit(ast.variables);\n      visit(ast.directives);\n      visit(ast.providers);\n      visit(ast.children);\n    });\n  }\n\n  visitElement(ast: ElementAst, context: any): any {\n    return this.visitChildren(context, visit => {\n      visit(ast.attrs);\n      visit(ast.inputs);\n      visit(ast.outputs);\n      visit(ast.references);\n      visit(ast.directives);\n      visit(ast.providers);\n      visit(ast.children);\n    });\n  }\n\n  visitDirective(ast: DirectiveAst, context: any): any {\n    return this.visitChildren(context, visit => {\n      visit(ast.inputs);\n      visit(ast.hostProperties);\n      visit(ast.hostEvents);\n    });\n  }\n\n  protected visitChildren<T extends TemplateAst>(\n      context: any,\n      cb: (visit: (<V extends TemplateAst>(children: V[]|undefined) => void)) => void) {\n    let results: any[][] = [];\n    let t = this;\n    function visit<T extends TemplateAst>(children: T[] | undefined) {\n      if (children && children.length) results.push(templateVisitAll(t, children, context));\n    }\n    cb(visit);\n    return Array.prototype.concat.apply([], results);\n  }\n}\n\n/**\n * Visit every node in a list of {@link TemplateAst}s with the given {@link TemplateAstVisitor}.\n */\nexport function templateVisitAll(\n    visitor: TemplateAstVisitor, asts: TemplateAst[], context: any = null): any[] {\n  const result: any[] = [];\n  const visit = visitor.visit ?\n      (ast: TemplateAst) => visitor.visit !(ast, context) || ast.visit(visitor, context) :\n      (ast: TemplateAst) => ast.visit(visitor, context);\n  asts.forEach(ast => {\n    const astResult = visit(ast);\n    if (astResult) {\n      result.push(astResult);\n    }\n  });\n  return result;\n}\n\nexport type TemplateAstPath = AstPath<TemplateAst>;\n","import { __extends } from \"tslib\";\nimport Path from '../Path';\nvar EllipseShape = (function () {\n    function EllipseShape() {\n        this.cx = 0;\n        this.cy = 0;\n        this.rx = 0;\n        this.ry = 0;\n    }\n    return EllipseShape;\n}());\nexport { EllipseShape };\nvar Ellipse = (function (_super) {\n    __extends(Ellipse, _super);\n    function Ellipse(opts) {\n        return _super.call(this, opts) || this;\n    }\n    Ellipse.prototype.getDefaultShape = function () {\n        return new EllipseShape();\n    };\n    Ellipse.prototype.buildPath = function (ctx, shape) {\n        var k = 0.5522848;\n        var x = shape.cx;\n        var y = shape.cy;\n        var a = shape.rx;\n        var b = shape.ry;\n        var ox = a * k;\n        var oy = b * k;\n        ctx.moveTo(x - a, y);\n        ctx.bezierCurveTo(x - a, y - oy, x - ox, y - b, x, y - b);\n        ctx.bezierCurveTo(x + ox, y - b, x + a, y - oy, x + a, y);\n        ctx.bezierCurveTo(x + a, y + oy, x + ox, y + b, x, y + b);\n        ctx.bezierCurveTo(x - ox, y + b, x - a, y + oy, x - a, y);\n        ctx.closePath();\n    };\n    return Ellipse;\n}(Path));\nEllipse.prototype.type = 'ellipse';\nexport default Ellipse;\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport WeakMap from 'zrender/lib/core/WeakMap';\nimport LRU from 'zrender/lib/core/LRU';\nimport { defaults, createCanvas, map, isArray } from 'zrender/lib/core/util';\nimport { getLeastCommonMultiple } from './number';\nimport { createSymbol } from './symbol';\nimport { brushSingle } from 'zrender/lib/canvas/graphic';\nvar decalMap = new WeakMap();\nvar decalCache = new LRU(100);\nvar decalKeys = ['symbol', 'symbolSize', 'symbolKeepAspect', 'color', 'backgroundColor', 'dashArrayX', 'dashArrayY', 'maxTileWidth', 'maxTileHeight'];\n/**\n * Create or update pattern image from decal options\n *\n * @param {InnerDecalObject | 'none'} decalObject decal options, 'none' if no decal\n * @return {Pattern} pattern with generated image, null if no decal\n */\n\nexport function createOrUpdatePatternFromDecal(decalObject, api) {\n  if (decalObject === 'none') {\n    return null;\n  }\n\n  var dpr = api.getDevicePixelRatio();\n  var zr = api.getZr();\n  var isSVG = zr.painter.type === 'svg';\n\n  if (decalObject.dirty) {\n    decalMap[\"delete\"](decalObject);\n  }\n\n  var oldPattern = decalMap.get(decalObject);\n\n  if (oldPattern) {\n    return oldPattern;\n  }\n\n  var decalOpt = defaults(decalObject, {\n    symbol: 'rect',\n    symbolSize: 1,\n    symbolKeepAspect: true,\n    color: 'rgba(0, 0, 0, 0.2)',\n    backgroundColor: null,\n    dashArrayX: 5,\n    dashArrayY: 5,\n    rotation: 0,\n    maxTileWidth: 512,\n    maxTileHeight: 512\n  });\n\n  if (decalOpt.backgroundColor === 'none') {\n    decalOpt.backgroundColor = null;\n  }\n\n  var pattern = {\n    repeat: 'repeat'\n  };\n  setPatternnSource(pattern);\n  pattern.rotation = decalOpt.rotation;\n  pattern.scaleX = pattern.scaleY = isSVG ? 1 : 1 / dpr;\n  decalMap.set(decalObject, pattern);\n  decalObject.dirty = false;\n  return pattern;\n\n  function setPatternnSource(pattern) {\n    var keys = [dpr];\n    var isValidKey = true;\n\n    for (var i = 0; i < decalKeys.length; ++i) {\n      var value = decalOpt[decalKeys[i]];\n      var valueType = typeof value;\n\n      if (value != null && !isArray(value) && valueType !== 'string' && valueType !== 'number' && valueType !== 'boolean') {\n        isValidKey = false;\n        break;\n      }\n\n      keys.push(value);\n    }\n\n    var cacheKey;\n\n    if (isValidKey) {\n      cacheKey = keys.join(',') + (isSVG ? '-svg' : '');\n      var cache = decalCache.get(cacheKey);\n\n      if (cache) {\n        isSVG ? pattern.svgElement = cache : pattern.image = cache;\n      }\n    }\n\n    var dashArrayX = normalizeDashArrayX(decalOpt.dashArrayX);\n    var dashArrayY = normalizeDashArrayY(decalOpt.dashArrayY);\n    var symbolArray = normalizeSymbolArray(decalOpt.symbol);\n    var lineBlockLengthsX = getLineBlockLengthX(dashArrayX);\n    var lineBlockLengthY = getLineBlockLengthY(dashArrayY);\n    var canvas = !isSVG && createCanvas();\n    var svgRoot = isSVG && zr.painter.createSVGElement('g');\n    var pSize = getPatternSize();\n    var ctx;\n\n    if (canvas) {\n      canvas.width = pSize.width * dpr;\n      canvas.height = pSize.height * dpr;\n      ctx = canvas.getContext('2d');\n    }\n\n    brushDecal();\n\n    if (isValidKey) {\n      decalCache.put(cacheKey, canvas || svgRoot);\n    }\n\n    pattern.image = canvas;\n    pattern.svgElement = svgRoot;\n    pattern.svgWidth = pSize.width;\n    pattern.svgHeight = pSize.height;\n    /**\n     * Get minumum length that can make a repeatable pattern.\n     *\n     * @return {Object} pattern width and height\n     */\n\n    function getPatternSize() {\n      /**\n       * For example, if dash is [[3, 2], [2, 1]] for X, it looks like\n       * |---  ---  ---  ---  --- ...\n       * |-- -- -- -- -- -- -- -- ...\n       * |---  ---  ---  ---  --- ...\n       * |-- -- -- -- -- -- -- -- ...\n       * So the minumum length of X is 15,\n       * which is the least common multiple of `3 + 2` and `2 + 1`\n       * |---  ---  ---  |---  --- ...\n       * |-- -- -- -- -- |-- -- -- ...\n       */\n      var width = 1;\n\n      for (var i = 0, xlen = lineBlockLengthsX.length; i < xlen; ++i) {\n        width = getLeastCommonMultiple(width, lineBlockLengthsX[i]);\n      }\n\n      var symbolRepeats = 1;\n\n      for (var i = 0, xlen = symbolArray.length; i < xlen; ++i) {\n        symbolRepeats = getLeastCommonMultiple(symbolRepeats, symbolArray[i].length);\n      }\n\n      width *= symbolRepeats;\n      var height = lineBlockLengthY * lineBlockLengthsX.length * symbolArray.length;\n\n      if (process.env.NODE_ENV !== 'production') {\n        var warn = function (attrName) {\n          /* eslint-disable-next-line */\n          console.warn(\"Calculated decal size is greater than \" + attrName + \" due to decal option settings so \" + attrName + \" is used for the decal size. Please consider changing the decal option to make a smaller decal or set \" + attrName + \" to be larger to avoid incontinuity.\");\n        };\n\n        if (width > decalOpt.maxTileWidth) {\n          warn('maxTileWidth');\n        }\n\n        if (height > decalOpt.maxTileHeight) {\n          warn('maxTileHeight');\n        }\n      }\n\n      return {\n        width: Math.max(1, Math.min(width, decalOpt.maxTileWidth)),\n        height: Math.max(1, Math.min(height, decalOpt.maxTileHeight))\n      };\n    }\n\n    function brushDecal() {\n      if (ctx) {\n        ctx.clearRect(0, 0, canvas.width, canvas.height);\n\n        if (decalOpt.backgroundColor) {\n          ctx.fillStyle = decalOpt.backgroundColor;\n          ctx.fillRect(0, 0, canvas.width, canvas.height);\n        }\n      }\n\n      var ySum = 0;\n\n      for (var i = 0; i < dashArrayY.length; ++i) {\n        ySum += dashArrayY[i];\n      }\n\n      if (ySum <= 0) {\n        // dashArrayY is 0, draw nothing\n        return;\n      }\n\n      var y = -lineBlockLengthY;\n      var yId = 0;\n      var yIdTotal = 0;\n      var xId0 = 0;\n\n      while (y < pSize.height) {\n        if (yId % 2 === 0) {\n          var symbolYId = yIdTotal / 2 % symbolArray.length;\n          var x = 0;\n          var xId1 = 0;\n          var xId1Total = 0;\n\n          while (x < pSize.width * 2) {\n            var xSum = 0;\n\n            for (var i = 0; i < dashArrayX[xId0].length; ++i) {\n              xSum += dashArrayX[xId0][i];\n            }\n\n            if (xSum <= 0) {\n              // Skip empty line\n              break;\n            } // E.g., [15, 5, 20, 5] draws only for 15 and 20\n\n\n            if (xId1 % 2 === 0) {\n              var size = (1 - decalOpt.symbolSize) * 0.5;\n              var left = x + dashArrayX[xId0][xId1] * size;\n              var top_1 = y + dashArrayY[yId] * size;\n              var width = dashArrayX[xId0][xId1] * decalOpt.symbolSize;\n              var height = dashArrayY[yId] * decalOpt.symbolSize;\n              var symbolXId = xId1Total / 2 % symbolArray[symbolYId].length;\n              brushSymbol(left, top_1, width, height, symbolArray[symbolYId][symbolXId]);\n            }\n\n            x += dashArrayX[xId0][xId1];\n            ++xId1Total;\n            ++xId1;\n\n            if (xId1 === dashArrayX[xId0].length) {\n              xId1 = 0;\n            }\n          }\n\n          ++xId0;\n\n          if (xId0 === dashArrayX.length) {\n            xId0 = 0;\n          }\n        }\n\n        y += dashArrayY[yId];\n        ++yIdTotal;\n        ++yId;\n\n        if (yId === dashArrayY.length) {\n          yId = 0;\n        }\n      }\n\n      function brushSymbol(x, y, width, height, symbolType) {\n        var scale = isSVG ? 1 : dpr;\n        var symbol = createSymbol(symbolType, x * scale, y * scale, width * scale, height * scale, decalOpt.color, decalOpt.symbolKeepAspect);\n\n        if (isSVG) {\n          svgRoot.appendChild(zr.painter.paintOne(symbol));\n        } else {\n          // Paint to canvas for all other renderers.\n          brushSingle(ctx, symbol);\n        }\n      }\n    }\n  }\n}\n/**\n * Convert symbol array into normalized array\n *\n * @param {string | (string | string[])[]} symbol symbol input\n * @return {string[][]} normolized symbol array\n */\n\nfunction normalizeSymbolArray(symbol) {\n  if (!symbol || symbol.length === 0) {\n    return [['rect']];\n  }\n\n  if (typeof symbol === 'string') {\n    return [[symbol]];\n  }\n\n  var isAllString = true;\n\n  for (var i = 0; i < symbol.length; ++i) {\n    if (typeof symbol[i] !== 'string') {\n      isAllString = false;\n      break;\n    }\n  }\n\n  if (isAllString) {\n    return normalizeSymbolArray([symbol]);\n  }\n\n  var result = [];\n\n  for (var i = 0; i < symbol.length; ++i) {\n    if (typeof symbol[i] === 'string') {\n      result.push([symbol[i]]);\n    } else {\n      result.push(symbol[i]);\n    }\n  }\n\n  return result;\n}\n/**\n * Convert dash input into dashArray\n *\n * @param {DecalDashArrayX} dash dash input\n * @return {number[][]} normolized dash array\n */\n\n\nfunction normalizeDashArrayX(dash) {\n  if (!dash || dash.length === 0) {\n    return [[0, 0]];\n  }\n\n  if (typeof dash === 'number') {\n    var dashValue = Math.ceil(dash);\n    return [[dashValue, dashValue]];\n  }\n  /**\n   * [20, 5] should be normalized into [[20, 5]],\n   * while [20, [5, 10]] should be normalized into [[20, 20], [5, 10]]\n   */\n\n\n  var isAllNumber = true;\n\n  for (var i = 0; i < dash.length; ++i) {\n    if (typeof dash[i] !== 'number') {\n      isAllNumber = false;\n      break;\n    }\n  }\n\n  if (isAllNumber) {\n    return normalizeDashArrayX([dash]);\n  }\n\n  var result = [];\n\n  for (var i = 0; i < dash.length; ++i) {\n    if (typeof dash[i] === 'number') {\n      var dashValue = Math.ceil(dash[i]);\n      result.push([dashValue, dashValue]);\n    } else {\n      var dashValue = map(dash[i], function (n) {\n        return Math.ceil(n);\n      });\n\n      if (dashValue.length % 2 === 1) {\n        // [4, 2, 1] means |----  -    -- |----  -    -- |\n        // so normalize it to be [4, 2, 1, 4, 2, 1]\n        result.push(dashValue.concat(dashValue));\n      } else {\n        result.push(dashValue);\n      }\n    }\n  }\n\n  return result;\n}\n/**\n * Convert dash input into dashArray\n *\n * @param {DecalDashArrayY} dash dash input\n * @return {number[]} normolized dash array\n */\n\n\nfunction normalizeDashArrayY(dash) {\n  if (!dash || typeof dash === 'object' && dash.length === 0) {\n    return [0, 0];\n  }\n\n  if (typeof dash === 'number') {\n    var dashValue_1 = Math.ceil(dash);\n    return [dashValue_1, dashValue_1];\n  }\n\n  var dashValue = map(dash, function (n) {\n    return Math.ceil(n);\n  });\n  return dash.length % 2 ? dashValue.concat(dashValue) : dashValue;\n}\n/**\n * Get block length of each line. A block is the length of dash line and space.\n * For example, a line with [4, 1] has a dash line of 4 and a space of 1 after\n * that, so the block length of this line is 5.\n *\n * @param {number[][]} dash dash arrary of X or Y\n * @return {number[]} block length of each line\n */\n\n\nfunction getLineBlockLengthX(dash) {\n  return map(dash, function (line) {\n    return getLineBlockLengthY(line);\n  });\n}\n\nfunction getLineBlockLengthY(dash) {\n  var blockLength = 0;\n\n  for (var i = 0; i < dash.length; ++i) {\n    blockLength += dash[i];\n  }\n\n  if (dash.length % 2 === 1) {\n    // [4, 2, 1] means |----  -    -- |----  -    -- |\n    // So total length is (4 + 2 + 1) * 2\n    return blockLength * 2;\n  }\n\n  return blockLength;\n}","import { __spread, __extends } from 'tslib';\nimport { FocusMonitor } from '@angular/cdk/a11y';\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { SelectionModel } from '@angular/cdk/collections';\nimport { InjectionToken, forwardRef, EventEmitter, Directive, ChangeDetectorRef, Optional, Inject, ContentChildren, Input, Output, Component, ViewEncapsulation, ChangeDetectionStrategy, ElementRef, Attribute, ViewChild, NgModule } from '@angular/core';\nimport { NG_VALUE_ACCESSOR } from '@angular/forms';\nimport { mixinDisableRipple, MatCommonModule, MatRippleModule } from '@angular/material/core';\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n/**\n * Injection token that can be used to configure the\n * default options for all button toggles within an app.\n */\nvar MAT_BUTTON_TOGGLE_DEFAULT_OPTIONS = new InjectionToken('MAT_BUTTON_TOGGLE_DEFAULT_OPTIONS');\n/**\n * Provider Expression that allows mat-button-toggle-group to register as a ControlValueAccessor.\n * This allows it to support [(ngModel)].\n * @docs-private\n */\nvar MAT_BUTTON_TOGGLE_GROUP_VALUE_ACCESSOR = {\n    provide: NG_VALUE_ACCESSOR,\n    useExisting: forwardRef(function () { return MatButtonToggleGroup; }),\n    multi: true\n};\n/**\n * @deprecated Use `MatButtonToggleGroup` instead.\n * @breaking-change 8.0.0\n */\nvar MatButtonToggleGroupMultiple = /** @class */ (function () {\n    function MatButtonToggleGroupMultiple() {\n    }\n    return MatButtonToggleGroupMultiple;\n}());\nvar _uniqueIdCounter = 0;\n/** Change event object emitted by MatButtonToggle. */\nvar MatButtonToggleChange = /** @class */ (function () {\n    function MatButtonToggleChange(\n    /** The MatButtonToggle that emits the event. */\n    source, \n    /** The value assigned to the MatButtonToggle. */\n    value) {\n        this.source = source;\n        this.value = value;\n    }\n    return MatButtonToggleChange;\n}());\n/** Exclusive selection button toggle group that behaves like a radio-button group. */\nvar MatButtonToggleGroup = /** @class */ (function () {\n    function MatButtonToggleGroup(_changeDetector, defaultOptions) {\n        this._changeDetector = _changeDetector;\n        this._vertical = false;\n        this._multiple = false;\n        this._disabled = false;\n        /**\n         * The method to be called in order to update ngModel.\n         * Now `ngModel` binding is not supported in multiple selection mode.\n         */\n        this._controlValueAccessorChangeFn = function () { };\n        /** onTouch function registered via registerOnTouch (ControlValueAccessor). */\n        this._onTouched = function () { };\n        this._name = \"mat-button-toggle-group-\" + _uniqueIdCounter++;\n        /**\n         * Event that emits whenever the value of the group changes.\n         * Used to facilitate two-way data binding.\n         * @docs-private\n         */\n        this.valueChange = new EventEmitter();\n        /** Event emitted when the group's value changes. */\n        this.change = new EventEmitter();\n        this.appearance =\n            defaultOptions && defaultOptions.appearance ? defaultOptions.appearance : 'standard';\n    }\n    Object.defineProperty(MatButtonToggleGroup.prototype, \"name\", {\n        /** `name` attribute for the underlying `input` element. */\n        get: function () { return this._name; },\n        set: function (value) {\n            var _this = this;\n            this._name = value;\n            if (this._buttonToggles) {\n                this._buttonToggles.forEach(function (toggle) {\n                    toggle.name = _this._name;\n                    toggle._markForCheck();\n                });\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatButtonToggleGroup.prototype, \"vertical\", {\n        /** Whether the toggle group is vertical. */\n        get: function () { return this._vertical; },\n        set: function (value) {\n            this._vertical = coerceBooleanProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatButtonToggleGroup.prototype, \"value\", {\n        /** Value of the toggle group. */\n        get: function () {\n            var selected = this._selectionModel ? this._selectionModel.selected : [];\n            if (this.multiple) {\n                return selected.map(function (toggle) { return toggle.value; });\n            }\n            return selected[0] ? selected[0].value : undefined;\n        },\n        set: function (newValue) {\n            this._setSelectionByValue(newValue);\n            this.valueChange.emit(this.value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatButtonToggleGroup.prototype, \"selected\", {\n        /** Selected button toggles in the group. */\n        get: function () {\n            var selected = this._selectionModel ? this._selectionModel.selected : [];\n            return this.multiple ? selected : (selected[0] || null);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatButtonToggleGroup.prototype, \"multiple\", {\n        /** Whether multiple button toggles can be selected. */\n        get: function () { return this._multiple; },\n        set: function (value) {\n            this._multiple = coerceBooleanProperty(value);\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatButtonToggleGroup.prototype, \"disabled\", {\n        /** Whether multiple button toggle group is disabled. */\n        get: function () { return this._disabled; },\n        set: function (value) {\n            this._disabled = coerceBooleanProperty(value);\n            if (this._buttonToggles) {\n                this._buttonToggles.forEach(function (toggle) { return toggle._markForCheck(); });\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    MatButtonToggleGroup.prototype.ngOnInit = function () {\n        this._selectionModel = new SelectionModel(this.multiple, undefined, false);\n    };\n    MatButtonToggleGroup.prototype.ngAfterContentInit = function () {\n        var _a;\n        (_a = this._selectionModel).select.apply(_a, __spread(this._buttonToggles.filter(function (toggle) { return toggle.checked; })));\n    };\n    /**\n     * Sets the model value. Implemented as part of ControlValueAccessor.\n     * @param value Value to be set to the model.\n     */\n    MatButtonToggleGroup.prototype.writeValue = function (value) {\n        this.value = value;\n        this._changeDetector.markForCheck();\n    };\n    // Implemented as part of ControlValueAccessor.\n    MatButtonToggleGroup.prototype.registerOnChange = function (fn) {\n        this._controlValueAccessorChangeFn = fn;\n    };\n    // Implemented as part of ControlValueAccessor.\n    MatButtonToggleGroup.prototype.registerOnTouched = function (fn) {\n        this._onTouched = fn;\n    };\n    // Implemented as part of ControlValueAccessor.\n    MatButtonToggleGroup.prototype.setDisabledState = function (isDisabled) {\n        this.disabled = isDisabled;\n    };\n    /** Dispatch change event with current selection and group value. */\n    MatButtonToggleGroup.prototype._emitChangeEvent = function () {\n        var selected = this.selected;\n        var source = Array.isArray(selected) ? selected[selected.length - 1] : selected;\n        var event = new MatButtonToggleChange(source, this.value);\n        this._controlValueAccessorChangeFn(event.value);\n        this.change.emit(event);\n    };\n    /**\n     * Syncs a button toggle's selected state with the model value.\n     * @param toggle Toggle to be synced.\n     * @param select Whether the toggle should be selected.\n     * @param isUserInput Whether the change was a result of a user interaction.\n     * @param deferEvents Whether to defer emitting the change events.\n     */\n    MatButtonToggleGroup.prototype._syncButtonToggle = function (toggle, select, isUserInput, deferEvents) {\n        var _this = this;\n        if (isUserInput === void 0) { isUserInput = false; }\n        if (deferEvents === void 0) { deferEvents = false; }\n        // Deselect the currently-selected toggle, if we're in single-selection\n        // mode and the button being toggled isn't selected at the moment.\n        if (!this.multiple && this.selected && !toggle.checked) {\n            this.selected.checked = false;\n        }\n        if (this._selectionModel) {\n            if (select) {\n                this._selectionModel.select(toggle);\n            }\n            else {\n                this._selectionModel.deselect(toggle);\n            }\n        }\n        else {\n            deferEvents = true;\n        }\n        // We need to defer in some cases in order to avoid \"changed after checked errors\", however\n        // the side-effect is that we may end up updating the model value out of sequence in others\n        // The `deferEvents` flag allows us to decide whether to do it on a case-by-case basis.\n        if (deferEvents) {\n            Promise.resolve(function () { return _this._updateModelValue(isUserInput); });\n        }\n        else {\n            this._updateModelValue(isUserInput);\n        }\n    };\n    /** Checks whether a button toggle is selected. */\n    MatButtonToggleGroup.prototype._isSelected = function (toggle) {\n        return this._selectionModel && this._selectionModel.isSelected(toggle);\n    };\n    /** Determines whether a button toggle should be checked on init. */\n    MatButtonToggleGroup.prototype._isPrechecked = function (toggle) {\n        if (typeof this._rawValue === 'undefined') {\n            return false;\n        }\n        if (this.multiple && Array.isArray(this._rawValue)) {\n            return this._rawValue.some(function (value) { return toggle.value != null && value === toggle.value; });\n        }\n        return toggle.value === this._rawValue;\n    };\n    /** Updates the selection state of the toggles in the group based on a value. */\n    MatButtonToggleGroup.prototype._setSelectionByValue = function (value) {\n        var _this = this;\n        this._rawValue = value;\n        if (!this._buttonToggles) {\n            return;\n        }\n        if (this.multiple && value) {\n            if (!Array.isArray(value)) {\n                throw Error('Value must be an array in multiple-selection mode.');\n            }\n            this._clearSelection();\n            value.forEach(function (currentValue) { return _this._selectValue(currentValue); });\n        }\n        else {\n            this._clearSelection();\n            this._selectValue(value);\n        }\n    };\n    /** Clears the selected toggles. */\n    MatButtonToggleGroup.prototype._clearSelection = function () {\n        this._selectionModel.clear();\n        this._buttonToggles.forEach(function (toggle) { return toggle.checked = false; });\n    };\n    /** Selects a value if there's a toggle that corresponds to it. */\n    MatButtonToggleGroup.prototype._selectValue = function (value) {\n        var correspondingOption = this._buttonToggles.find(function (toggle) {\n            return toggle.value != null && toggle.value === value;\n        });\n        if (correspondingOption) {\n            correspondingOption.checked = true;\n            this._selectionModel.select(correspondingOption);\n        }\n    };\n    /** Syncs up the group's value with the model and emits the change event. */\n    MatButtonToggleGroup.prototype._updateModelValue = function (isUserInput) {\n        // Only emit the change event for user input.\n        if (isUserInput) {\n            this._emitChangeEvent();\n        }\n        // Note: we emit this one no matter whether it was a user interaction, because\n        // it is used by Angular to sync up the two-way data binding.\n        this.valueChange.emit(this.value);\n    };\n    MatButtonToggleGroup.decorators = [\n        { type: Directive, args: [{\n                    selector: 'mat-button-toggle-group',\n                    providers: [\n                        MAT_BUTTON_TOGGLE_GROUP_VALUE_ACCESSOR,\n                        { provide: MatButtonToggleGroupMultiple, useExisting: MatButtonToggleGroup },\n                    ],\n                    host: {\n                        'role': 'group',\n                        'class': 'mat-button-toggle-group',\n                        '[attr.aria-disabled]': 'disabled',\n                        '[class.mat-button-toggle-vertical]': 'vertical',\n                        '[class.mat-button-toggle-group-appearance-standard]': 'appearance === \"standard\"',\n                    },\n                    exportAs: 'matButtonToggleGroup',\n                },] }\n    ];\n    /** @nocollapse */\n    MatButtonToggleGroup.ctorParameters = function () { return [\n        { type: ChangeDetectorRef },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_BUTTON_TOGGLE_DEFAULT_OPTIONS,] }] }\n    ]; };\n    MatButtonToggleGroup.propDecorators = {\n        _buttonToggles: [{ type: ContentChildren, args: [forwardRef(function () { return MatButtonToggle; }), {\n                        // Note that this would technically pick up toggles\n                        // from nested groups, but that's not a case that we support.\n                        descendants: true\n                    },] }],\n        appearance: [{ type: Input }],\n        name: [{ type: Input }],\n        vertical: [{ type: Input }],\n        value: [{ type: Input }],\n        valueChange: [{ type: Output }],\n        multiple: [{ type: Input }],\n        disabled: [{ type: Input }],\n        change: [{ type: Output }]\n    };\n    return MatButtonToggleGroup;\n}());\n// Boilerplate for applying mixins to the MatButtonToggle class.\n/** @docs-private */\nvar MatButtonToggleBase = /** @class */ (function () {\n    function MatButtonToggleBase() {\n    }\n    return MatButtonToggleBase;\n}());\nvar _MatButtonToggleMixinBase = mixinDisableRipple(MatButtonToggleBase);\n/** Single button inside of a toggle group. */\nvar MatButtonToggle = /** @class */ (function (_super) {\n    __extends(MatButtonToggle, _super);\n    function MatButtonToggle(toggleGroup, _changeDetectorRef, _elementRef, _focusMonitor, \n    // @breaking-change 8.0.0 `defaultTabIndex` to be made a required parameter.\n    defaultTabIndex, defaultOptions) {\n        var _this = _super.call(this) || this;\n        _this._changeDetectorRef = _changeDetectorRef;\n        _this._elementRef = _elementRef;\n        _this._focusMonitor = _focusMonitor;\n        _this._isSingleSelector = false;\n        _this._checked = false;\n        /**\n         * Users can specify the `aria-labelledby` attribute which will be forwarded to the input element\n         */\n        _this.ariaLabelledby = null;\n        _this._disabled = false;\n        /** Event emitted when the group value changes. */\n        _this.change = new EventEmitter();\n        var parsedTabIndex = Number(defaultTabIndex);\n        _this.tabIndex = (parsedTabIndex || parsedTabIndex === 0) ? parsedTabIndex : null;\n        _this.buttonToggleGroup = toggleGroup;\n        _this.appearance =\n            defaultOptions && defaultOptions.appearance ? defaultOptions.appearance : 'standard';\n        return _this;\n    }\n    Object.defineProperty(MatButtonToggle.prototype, \"buttonId\", {\n        /** Unique ID for the underlying `button` element. */\n        get: function () { return this.id + \"-button\"; },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatButtonToggle.prototype, \"appearance\", {\n        /** The appearance style of the button. */\n        get: function () {\n            return this.buttonToggleGroup ? this.buttonToggleGroup.appearance : this._appearance;\n        },\n        set: function (value) {\n            this._appearance = value;\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatButtonToggle.prototype, \"checked\", {\n        /** Whether the button is checked. */\n        get: function () {\n            return this.buttonToggleGroup ? this.buttonToggleGroup._isSelected(this) : this._checked;\n        },\n        set: function (value) {\n            var newValue = coerceBooleanProperty(value);\n            if (newValue !== this._checked) {\n                this._checked = newValue;\n                if (this.buttonToggleGroup) {\n                    this.buttonToggleGroup._syncButtonToggle(this, this._checked);\n                }\n                this._changeDetectorRef.markForCheck();\n            }\n        },\n        enumerable: true,\n        configurable: true\n    });\n    Object.defineProperty(MatButtonToggle.prototype, \"disabled\", {\n        /** Whether the button is disabled. */\n        get: function () {\n            return this._disabled || (this.buttonToggleGroup && this.buttonToggleGroup.disabled);\n        },\n        set: function (value) { this._disabled = coerceBooleanProperty(value); },\n        enumerable: true,\n        configurable: true\n    });\n    MatButtonToggle.prototype.ngOnInit = function () {\n        this._isSingleSelector = this.buttonToggleGroup && !this.buttonToggleGroup.multiple;\n        this._type = this._isSingleSelector ? 'radio' : 'checkbox';\n        this.id = this.id || \"mat-button-toggle-\" + _uniqueIdCounter++;\n        if (this._isSingleSelector) {\n            this.name = this.buttonToggleGroup.name;\n        }\n        if (this.buttonToggleGroup && this.buttonToggleGroup._isPrechecked(this)) {\n            this.checked = true;\n        }\n        this._focusMonitor.monitor(this._elementRef, true);\n    };\n    MatButtonToggle.prototype.ngOnDestroy = function () {\n        var group = this.buttonToggleGroup;\n        this._focusMonitor.stopMonitoring(this._elementRef);\n        // Remove the toggle from the selection once it's destroyed. Needs to happen\n        // on the next tick in order to avoid \"changed after checked\" errors.\n        if (group && group._isSelected(this)) {\n            group._syncButtonToggle(this, false, false, true);\n        }\n    };\n    /** Focuses the button. */\n    MatButtonToggle.prototype.focus = function (options) {\n        this._buttonElement.nativeElement.focus(options);\n    };\n    /** Checks the button toggle due to an interaction with the underlying native button. */\n    MatButtonToggle.prototype._onButtonClick = function () {\n        var newChecked = this._isSingleSelector ? true : !this._checked;\n        if (newChecked !== this._checked) {\n            this._checked = newChecked;\n            if (this.buttonToggleGroup) {\n                this.buttonToggleGroup._syncButtonToggle(this, this._checked, true);\n                this.buttonToggleGroup._onTouched();\n            }\n        }\n        // Emit a change event when it's the single selector\n        this.change.emit(new MatButtonToggleChange(this, this.value));\n    };\n    /**\n     * Marks the button toggle as needing checking for change detection.\n     * This method is exposed because the parent button toggle group will directly\n     * update bound properties of the radio button.\n     */\n    MatButtonToggle.prototype._markForCheck = function () {\n        // When the group value changes, the button will not be notified.\n        // Use `markForCheck` to explicit update button toggle's status.\n        this._changeDetectorRef.markForCheck();\n    };\n    MatButtonToggle.decorators = [\n        { type: Component, args: [{\n                    selector: 'mat-button-toggle',\n                    template: \"<button #button class=\\\"mat-button-toggle-button\\\"\\n        type=\\\"button\\\"\\n        [id]=\\\"buttonId\\\"\\n        [attr.tabindex]=\\\"disabled ? -1 : tabIndex\\\"\\n        [attr.aria-pressed]=\\\"checked\\\"\\n        [disabled]=\\\"disabled || null\\\"\\n        [attr.name]=\\\"name || null\\\"\\n        [attr.aria-label]=\\\"ariaLabel\\\"\\n        [attr.aria-labelledby]=\\\"ariaLabelledby\\\"\\n        (click)=\\\"_onButtonClick()\\\">\\n  <div class=\\\"mat-button-toggle-label-content\\\">\\n    <ng-content></ng-content>\\n  </div>\\n</button>\\n\\n<div class=\\\"mat-button-toggle-focus-overlay\\\"></div>\\n<div class=\\\"mat-button-toggle-ripple\\\" matRipple\\n     [matRippleTrigger]=\\\"button\\\"\\n     [matRippleDisabled]=\\\"this.disableRipple || this.disabled\\\">\\n</div>\\n\",\n                    encapsulation: ViewEncapsulation.None,\n                    exportAs: 'matButtonToggle',\n                    changeDetection: ChangeDetectionStrategy.OnPush,\n                    inputs: ['disableRipple'],\n                    host: {\n                        '[class.mat-button-toggle-standalone]': '!buttonToggleGroup',\n                        '[class.mat-button-toggle-checked]': 'checked',\n                        '[class.mat-button-toggle-disabled]': 'disabled',\n                        '[class.mat-button-toggle-appearance-standard]': 'appearance === \"standard\"',\n                        'class': 'mat-button-toggle',\n                        // Always reset the tabindex to -1 so it doesn't conflict with the one on the `button`,\n                        // but can still receive focus from things like cdkFocusInitial.\n                        '[attr.tabindex]': '-1',\n                        '[attr.id]': 'id',\n                        '[attr.name]': 'null',\n                        '(focus)': 'focus()',\n                    },\n                    styles: [\".mat-button-toggle-standalone,.mat-button-toggle-group{position:relative;display:inline-flex;flex-direction:row;white-space:nowrap;overflow:hidden;border-radius:2px;-webkit-tap-highlight-color:transparent}.cdk-high-contrast-active .mat-button-toggle-standalone,.cdk-high-contrast-active .mat-button-toggle-group{outline:solid 1px}.mat-button-toggle-standalone.mat-button-toggle-appearance-standard,.mat-button-toggle-group-appearance-standard{border-radius:4px}.cdk-high-contrast-active .mat-button-toggle-standalone.mat-button-toggle-appearance-standard,.cdk-high-contrast-active .mat-button-toggle-group-appearance-standard{outline:0}.mat-button-toggle-vertical{flex-direction:column}.mat-button-toggle-vertical .mat-button-toggle-label-content{display:block}.mat-button-toggle{white-space:nowrap;position:relative}.mat-button-toggle .mat-icon svg{vertical-align:top}.mat-button-toggle.cdk-keyboard-focused .mat-button-toggle-focus-overlay{opacity:1}.cdk-high-contrast-active .mat-button-toggle.cdk-keyboard-focused .mat-button-toggle-focus-overlay{opacity:.5}.mat-button-toggle-appearance-standard:not(.mat-button-toggle-disabled):hover .mat-button-toggle-focus-overlay{opacity:.04}.mat-button-toggle-appearance-standard.cdk-keyboard-focused:not(.mat-button-toggle-disabled) .mat-button-toggle-focus-overlay{opacity:.12}.cdk-high-contrast-active .mat-button-toggle-appearance-standard.cdk-keyboard-focused:not(.mat-button-toggle-disabled) .mat-button-toggle-focus-overlay{opacity:.5}@media(hover: none){.mat-button-toggle-appearance-standard:not(.mat-button-toggle-disabled):hover .mat-button-toggle-focus-overlay{display:none}}.mat-button-toggle-label-content{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;display:inline-block;line-height:36px;padding:0 16px;position:relative}.mat-button-toggle-appearance-standard .mat-button-toggle-label-content{line-height:48px;padding:0 12px}.mat-button-toggle-label-content>*{vertical-align:middle}.mat-button-toggle-focus-overlay{border-radius:inherit;pointer-events:none;opacity:0;top:0;left:0;right:0;bottom:0;position:absolute}.mat-button-toggle-checked .mat-button-toggle-focus-overlay{border-bottom:solid 36px}.cdk-high-contrast-active .mat-button-toggle-checked .mat-button-toggle-focus-overlay{opacity:.5;height:0}.cdk-high-contrast-active .mat-button-toggle-checked.mat-button-toggle-appearance-standard .mat-button-toggle-focus-overlay{border-bottom:solid 48px}.mat-button-toggle .mat-button-toggle-ripple{top:0;left:0;right:0;bottom:0;position:absolute;pointer-events:none}.mat-button-toggle-button{border:0;background:none;color:inherit;padding:0;margin:0;font:inherit;outline:none;width:100%;cursor:pointer}.mat-button-toggle-disabled .mat-button-toggle-button{cursor:default}.mat-button-toggle-button::-moz-focus-inner{border:0}\\n\"]\n                }] }\n    ];\n    /** @nocollapse */\n    MatButtonToggle.ctorParameters = function () { return [\n        { type: MatButtonToggleGroup, decorators: [{ type: Optional }] },\n        { type: ChangeDetectorRef },\n        { type: ElementRef },\n        { type: FocusMonitor },\n        { type: String, decorators: [{ type: Attribute, args: ['tabindex',] }] },\n        { type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_BUTTON_TOGGLE_DEFAULT_OPTIONS,] }] }\n    ]; };\n    MatButtonToggle.propDecorators = {\n        ariaLabel: [{ type: Input, args: ['aria-label',] }],\n        ariaLabelledby: [{ type: Input, args: ['aria-labelledby',] }],\n        _buttonElement: [{ type: ViewChild, args: ['button',] }],\n        id: [{ type: Input }],\n        name: [{ type: Input }],\n        value: [{ type: Input }],\n        tabIndex: [{ type: Input }],\n        appearance: [{ type: Input }],\n        checked: [{ type: Input }],\n        disabled: [{ type: Input }],\n        change: [{ type: Output }]\n    };\n    return MatButtonToggle;\n}(_MatButtonToggleMixinBase));\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nvar MatButtonToggleModule = /** @class */ (function () {\n    function MatButtonToggleModule() {\n    }\n    MatButtonToggleModule.decorators = [\n        { type: NgModule, args: [{\n                    imports: [MatCommonModule, MatRippleModule],\n                    exports: [MatCommonModule, MatButtonToggleGroup, MatButtonToggle],\n                    declarations: [MatButtonToggleGroup, MatButtonToggle],\n                },] }\n    ];\n    return MatButtonToggleModule;\n}());\n\n/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { MAT_BUTTON_TOGGLE_DEFAULT_OPTIONS, MAT_BUTTON_TOGGLE_GROUP_VALUE_ACCESSOR, MatButtonToggle, MatButtonToggleChange, MatButtonToggleGroup, MatButtonToggleGroupMultiple, MatButtonToggleModule };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport Group from 'zrender/lib/graphic/Group';\nimport * as componentUtil from '../util/component';\nimport * as clazzUtil from '../util/clazz';\n\nvar ComponentView =\n/** @class */\nfunction () {\n  function ComponentView() {\n    this.group = new Group();\n    this.uid = componentUtil.getUID('viewComponent');\n  }\n\n  ComponentView.prototype.init = function (ecModel, api) {};\n\n  ComponentView.prototype.render = function (model, ecModel, api, payload) {};\n\n  ComponentView.prototype.dispose = function (ecModel, api) {};\n\n  ComponentView.prototype.updateView = function (model, ecModel, api, payload) {// Do nothing;\n  };\n\n  ComponentView.prototype.updateLayout = function (model, ecModel, api, payload) {// Do nothing;\n  };\n\n  ComponentView.prototype.updateVisual = function (model, ecModel, api, payload) {// Do nothing;\n  };\n  /**\n   * Hook for blur target series.\n   * Can be used in marker for blur the markers\n   */\n\n\n  ComponentView.prototype.blurSeries = function (seriesModels, ecModel) {// Do nothing;\n  };\n\n  return ComponentView;\n}();\n\n;\nclazzUtil.enableClassExtend(ComponentView);\nclazzUtil.enableClassManagement(ComponentView);\nexport default ComponentView;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * @deprecated\n * Use `echarts/data/helper/createDimensions` instead.\n */\nimport { createHashMap, each, isString, defaults, extend, isObject, clone } from 'zrender/lib/core/util';\nimport { normalizeToArray } from '../../util/model';\nimport { guessOrdinal, BE_ORDINAL } from './sourceHelper';\nimport { createSourceFromSeriesDataOption, isSourceInstance } from '../Source';\nimport { VISUAL_DIMENSIONS } from '../../util/types';\nimport DataDimensionInfo from '../DataDimensionInfo';\n/**\n * @see {module:echarts/test/ut/spec/data/completeDimensions}\n *\n * This method builds the relationship between:\n * + \"what the coord sys or series requires (see `sysDims`)\",\n * + \"what the user defines (in `encode` and `dimensions`, see `opt.dimsDef` and `opt.encodeDef`)\"\n * + \"what the data source provids (see `source`)\".\n *\n * Some guess strategy will be adapted if user does not define something.\n * If no 'value' dimension specified, the first no-named dimension will be\n * named as 'value'.\n *\n * @param {Array.<string>} sysDims Necessary dimensions, like ['x', 'y'], which\n *      provides not only dim template, but also default order.\n *      properties: 'name', 'type', 'displayName'.\n *      `name` of each item provides default coord name.\n *      [{dimsDef: [string|Object, ...]}, ...] dimsDef of sysDim item provides default dim name, and\n *                                    provide dims count that the sysDim required.\n *      [{ordinalMeta}] can be specified.\n * @param {module:echarts/data/Source|Array|Object} source or data (for compatibal with pervious)\n * @param {Object} [opt]\n * @param {Array.<Object|string>} [opt.dimsDef] option.series.dimensions User defined dimensions\n *      For example: ['asdf', {name, type}, ...].\n * @param {Object|HashMap} [opt.encodeDef] option.series.encode {x: 2, y: [3, 1], tooltip: [1, 2], label: 3}\n * @param {Function} [opt.encodeDefaulter] Called if no `opt.encodeDef` exists.\n *      If not specified, auto find the next available data dim.\n *      param source {module:data/Source}\n *      param dimCount {number}\n *      return {Object} encode Never be `null/undefined`.\n * @param {string} [opt.generateCoord] Generate coord dim with the given name.\n *      If not specified, extra dim names will be:\n *      'value', 'value0', 'value1', ...\n * @param {number} [opt.generateCoordCount] By default, the generated dim name is `generateCoord`.\n *      If `generateCoordCount` specified, the generated dim names will be:\n *      `generateCoord` + 0, `generateCoord` + 1, ...\n *      can be Infinity, indicate that use all of the remain columns.\n * @param {number} [opt.dimCount] If not specified, guess by the first data item.\n * @return {Array.<module:data/DataDimensionInfo>}\n */\n\nfunction completeDimensions(sysDims, source, opt) {\n  if (!isSourceInstance(source)) {\n    source = createSourceFromSeriesDataOption(source);\n  }\n\n  opt = opt || {};\n  sysDims = (sysDims || []).slice();\n  var dimsDef = (opt.dimsDef || []).slice();\n  var dataDimNameMap = createHashMap();\n  var coordDimNameMap = createHashMap(); // let valueCandidate;\n\n  var result = [];\n  var dimCount = getDimCount(source, sysDims, dimsDef, opt.dimCount); // Apply user defined dims (`name` and `type`) and init result.\n\n  for (var i = 0; i < dimCount; i++) {\n    var dimDefItemRaw = dimsDef[i];\n    var dimDefItem = dimsDef[i] = extend({}, isObject(dimDefItemRaw) ? dimDefItemRaw : {\n      name: dimDefItemRaw\n    });\n    var userDimName = dimDefItem.name;\n    var resultItem = result[i] = new DataDimensionInfo(); // Name will be applied later for avoiding duplication.\n\n    if (userDimName != null && dataDimNameMap.get(userDimName) == null) {\n      // Only if `series.dimensions` is defined in option\n      // displayName, will be set, and dimension will be diplayed vertically in\n      // tooltip by default.\n      resultItem.name = resultItem.displayName = userDimName;\n      dataDimNameMap.set(userDimName, i);\n    }\n\n    dimDefItem.type != null && (resultItem.type = dimDefItem.type);\n    dimDefItem.displayName != null && (resultItem.displayName = dimDefItem.displayName);\n  }\n\n  var encodeDef = opt.encodeDef;\n\n  if (!encodeDef && opt.encodeDefaulter) {\n    encodeDef = opt.encodeDefaulter(source, dimCount);\n  }\n\n  var encodeDefMap = createHashMap(encodeDef); // Set `coordDim` and `coordDimIndex` by `encodeDefMap` and normalize `encodeDefMap`.\n\n  encodeDefMap.each(function (dataDimsRaw, coordDim) {\n    var dataDims = normalizeToArray(dataDimsRaw).slice(); // Note: It is allowed that `dataDims.length` is `0`, e.g., options is\n    // `{encode: {x: -1, y: 1}}`. Should not filter anything in\n    // this case.\n\n    if (dataDims.length === 1 && !isString(dataDims[0]) && dataDims[0] < 0) {\n      encodeDefMap.set(coordDim, false);\n      return;\n    }\n\n    var validDataDims = encodeDefMap.set(coordDim, []);\n    each(dataDims, function (resultDimIdxOrName, idx) {\n      // The input resultDimIdx can be dim name or index.\n      var resultDimIdx = isString(resultDimIdxOrName) ? dataDimNameMap.get(resultDimIdxOrName) : resultDimIdxOrName;\n\n      if (resultDimIdx != null && resultDimIdx < dimCount) {\n        validDataDims[idx] = resultDimIdx;\n        applyDim(result[resultDimIdx], coordDim, idx);\n      }\n    });\n  }); // Apply templetes and default order from `sysDims`.\n\n  var availDimIdx = 0;\n  each(sysDims, function (sysDimItemRaw) {\n    var coordDim;\n    var sysDimItemDimsDef;\n    var sysDimItemOtherDims;\n    var sysDimItem;\n\n    if (isString(sysDimItemRaw)) {\n      coordDim = sysDimItemRaw;\n      sysDimItem = {};\n    } else {\n      sysDimItem = sysDimItemRaw;\n      coordDim = sysDimItem.name;\n      var ordinalMeta = sysDimItem.ordinalMeta;\n      sysDimItem.ordinalMeta = null;\n      sysDimItem = clone(sysDimItem);\n      sysDimItem.ordinalMeta = ordinalMeta; // `coordDimIndex` should not be set directly.\n\n      sysDimItemDimsDef = sysDimItem.dimsDef;\n      sysDimItemOtherDims = sysDimItem.otherDims;\n      sysDimItem.name = sysDimItem.coordDim = sysDimItem.coordDimIndex = sysDimItem.dimsDef = sysDimItem.otherDims = null;\n    }\n\n    var dataDims = encodeDefMap.get(coordDim); // negative resultDimIdx means no need to mapping.\n\n    if (dataDims === false) {\n      return;\n    }\n\n    dataDims = normalizeToArray(dataDims); // dimensions provides default dim sequences.\n\n    if (!dataDims.length) {\n      for (var i = 0; i < (sysDimItemDimsDef && sysDimItemDimsDef.length || 1); i++) {\n        while (availDimIdx < result.length && result[availDimIdx].coordDim != null) {\n          availDimIdx++;\n        }\n\n        availDimIdx < result.length && dataDims.push(availDimIdx++);\n      }\n    } // Apply templates.\n\n\n    each(dataDims, function (resultDimIdx, coordDimIndex) {\n      var resultItem = result[resultDimIdx];\n      applyDim(defaults(resultItem, sysDimItem), coordDim, coordDimIndex);\n\n      if (resultItem.name == null && sysDimItemDimsDef) {\n        var sysDimItemDimsDefItem = sysDimItemDimsDef[coordDimIndex];\n        !isObject(sysDimItemDimsDefItem) && (sysDimItemDimsDefItem = {\n          name: sysDimItemDimsDefItem\n        });\n        resultItem.name = resultItem.displayName = sysDimItemDimsDefItem.name;\n        resultItem.defaultTooltip = sysDimItemDimsDefItem.defaultTooltip;\n      } // FIXME refactor, currently only used in case: {otherDims: {tooltip: false}}\n\n\n      sysDimItemOtherDims && defaults(resultItem.otherDims, sysDimItemOtherDims);\n    });\n  });\n\n  function applyDim(resultItem, coordDim, coordDimIndex) {\n    if (VISUAL_DIMENSIONS.get(coordDim) != null) {\n      resultItem.otherDims[coordDim] = coordDimIndex;\n    } else {\n      resultItem.coordDim = coordDim;\n      resultItem.coordDimIndex = coordDimIndex;\n      coordDimNameMap.set(coordDim, true);\n    }\n  } // Make sure the first extra dim is 'value'.\n\n\n  var generateCoord = opt.generateCoord;\n  var generateCoordCount = opt.generateCoordCount;\n  var fromZero = generateCoordCount != null;\n  generateCoordCount = generateCoord ? generateCoordCount || 1 : 0;\n  var extra = generateCoord || 'value'; // Set dim `name` and other `coordDim` and other props.\n\n  for (var resultDimIdx = 0; resultDimIdx < dimCount; resultDimIdx++) {\n    var resultItem = result[resultDimIdx] = result[resultDimIdx] || new DataDimensionInfo();\n    var coordDim = resultItem.coordDim;\n\n    if (coordDim == null) {\n      resultItem.coordDim = genName(extra, coordDimNameMap, fromZero);\n      resultItem.coordDimIndex = 0;\n\n      if (!generateCoord || generateCoordCount <= 0) {\n        resultItem.isExtraCoord = true;\n      }\n\n      generateCoordCount--;\n    }\n\n    resultItem.name == null && (resultItem.name = genName(resultItem.coordDim, dataDimNameMap, false));\n\n    if (resultItem.type == null && (guessOrdinal(source, resultDimIdx) === BE_ORDINAL.Must // Consider the case:\n    // {\n    //    dataset: {source: [\n    //        ['2001', 123],\n    //        ['2002', 456],\n    //        ...\n    //        ['The others', 987],\n    //    ]},\n    //    series: {type: 'pie'}\n    // }\n    // The first colum should better be treated as a \"ordinal\" although it\n    // might not able to be detected as an \"ordinal\" by `guessOrdinal`.\n    || resultItem.isExtraCoord && (resultItem.otherDims.itemName != null || resultItem.otherDims.seriesName != null))) {\n      resultItem.type = 'ordinal';\n    }\n  }\n\n  return result;\n} // ??? TODO\n// Originally detect dimCount by data[0]. Should we\n// optimize it to only by sysDims and dimensions and encode.\n// So only necessary dims will be initialized.\n// But\n// (1) custom series should be considered. where other dims\n// may be visited.\n// (2) sometimes user need to calcualte bubble size or use visualMap\n// on other dimensions besides coordSys needed.\n// So, dims that is not used by system, should be shared in storage?\n\n\nfunction getDimCount(source, sysDims, dimsDef, optDimCount) {\n  // Note that the result dimCount should not small than columns count\n  // of data, otherwise `dataDimNameMap` checking will be incorrect.\n  var dimCount = Math.max(source.dimensionsDetectedCount || 1, sysDims.length, dimsDef.length, optDimCount || 0);\n  each(sysDims, function (sysDimItem) {\n    var sysDimItemDimsDef;\n\n    if (isObject(sysDimItem) && (sysDimItemDimsDef = sysDimItem.dimsDef)) {\n      dimCount = Math.max(dimCount, sysDimItemDimsDef.length);\n    }\n  });\n  return dimCount;\n}\n\nfunction genName(name, map, fromZero) {\n  if (fromZero || map.get(name) != null) {\n    var i = 0;\n\n    while (map.get(name + i) != null) {\n      i++;\n    }\n\n    name += i;\n  }\n\n  map.set(name, true);\n  return name;\n}\n\nexport default completeDimensions;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Substitute `completeDimensions`.\n * `completeDimensions` is to be deprecated.\n */\nimport completeDimensions from './completeDimensions';\n/**\n * @param opt.coordDimensions\n * @param opt.dimensionsDefine By default `source.dimensionsDefine` Overwrite source define.\n * @param opt.encodeDefine By default `source.encodeDefine` Overwrite source define.\n * @param opt.encodeDefaulter Make default encode if user not specified.\n */\n\nexport default function createDimensions( // TODO: TYPE completeDimensions type\nsource, opt) {\n  opt = opt || {};\n  return completeDimensions(opt.coordDimensions || [], source, {\n    // FIXME:TS detect whether source then call `.dimensionsDefine` and `.encodeDefine`?\n    dimsDef: opt.dimensionsDefine || source.dimensionsDefine,\n    encodeDef: opt.encodeDefine || source.encodeDefine,\n    dimCount: opt.dimensionsCount,\n    encodeDefaulter: opt.encodeDefaulter,\n    generateCoord: opt.generateCoord,\n    generateCoordCount: opt.generateCoordCount\n  });\n}","import { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError';\nimport { empty } from '../observable/empty';\nimport { Observable } from '../Observable';\nimport { MonoTypeOperatorFunction, TeardownLogic } from '../types';\n\n/**\n * Emits only the first `count` values emitted by the source Observable.\n *\n * <span class=\"informal\">Takes the first `count` values from the source, then\n * completes.</span>\n *\n * ![](take.png)\n *\n * `take` returns an Observable that emits only the first `count` values emitted\n * by the source Observable. If the source emits fewer than `count` values then\n * all of its values are emitted. After that, it completes, regardless if the\n * source completes.\n *\n * ## Example\n * Take the first 5 seconds of an infinite 1-second interval Observable\n * ```ts\n * import { interval } from 'rxjs';\n * import { take } from 'rxjs/operators';\n *\n * const intervalCount = interval(1000);\n * const takeFive = intervalCount.pipe(take(5));\n * takeFive.subscribe(x => console.log(x));\n *\n * // Logs:\n * // 0\n * // 1\n * // 2\n * // 3\n * // 4\n * ```\n *\n * @see {@link takeLast}\n * @see {@link takeUntil}\n * @see {@link takeWhile}\n * @see {@link skip}\n *\n * @throws {ArgumentOutOfRangeError} When using `take(i)`, it delivers an\n * ArgumentOutOrRangeError to the Observer's `error` callback if `i < 0`.\n *\n * @param {number} count The maximum number of `next` values to emit.\n * @return {Observable<T>} An Observable that emits only the first `count`\n * values emitted by the source Observable, or all of the values from the source\n * if the source emits fewer than `count` values.\n * @method take\n * @owner Observable\n */\nexport function take<T>(count: number): MonoTypeOperatorFunction<T> {\n  return (source: Observable<T>) => {\n    if (count === 0) {\n      return empty();\n    } else {\n      return source.lift(new TakeOperator(count));\n    }\n  };\n}\n\nclass TakeOperator<T> implements Operator<T, T> {\n  constructor(private total: number) {\n    if (this.total < 0) {\n      throw new ArgumentOutOfRangeError;\n    }\n  }\n\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    return source.subscribe(new TakeSubscriber(subscriber, this.total));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass TakeSubscriber<T> extends Subscriber<T> {\n  private count: number = 0;\n\n  constructor(destination: Subscriber<T>, private total: number) {\n    super(destination);\n  }\n\n  protected _next(value: T): void {\n    const total = this.total;\n    const count = ++this.count;\n    if (count <= total) {\n      this.destination.next(value);\n      if (count === total) {\n        this.destination.complete();\n        this.unsubscribe();\n      }\n    }\n  }\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { parseDate, numericToNumber } from '../../util/number';\nimport { createHashMap, trim, hasOwn } from 'zrender/lib/core/util';\nimport { throwError } from '../../util/log';\n/**\n * Convert raw the value in to inner value in List.\n *\n * [Performance sensitive]\n *\n * [Caution]: this is the key logic of user value parser.\n * For backward compatibiliy, do not modify it until have to!\n */\n\nexport function parseDataValue(value, // For high performance, do not omit the second param.\nopt) {\n  // Performance sensitive.\n  var dimType = opt && opt.type;\n\n  if (dimType === 'ordinal') {\n    // If given value is a category string\n    var ordinalMeta = opt && opt.ordinalMeta;\n    return ordinalMeta ? ordinalMeta.parseAndCollect(value) : value;\n  }\n\n  if (dimType === 'time' // spead up when using timestamp\n  && typeof value !== 'number' && value != null && value !== '-') {\n    value = +parseDate(value);\n  } // dimType defaults 'number'.\n  // If dimType is not ordinal and value is null or undefined or NaN or '-',\n  // parse to NaN.\n  // number-like string (like ' 123 ') can be converted to a number.\n  // where null/undefined or other string will be converted to NaN.\n\n\n  return value == null || value === '' ? NaN // If string (like '-'), using '+' parse to NaN\n  // If object, also parse to NaN\n  : +value;\n}\n;\nvar valueParserMap = createHashMap({\n  'number': function (val) {\n    // Do not use `numericToNumber` here. We have by defualt `numericToNumber`.\n    // Here the number parser can have loose rule:\n    // enable to cut suffix: \"120px\" => 120, \"14%\" => 14.\n    return parseFloat(val);\n  },\n  'time': function (val) {\n    // return timestamp.\n    return +parseDate(val);\n  },\n  'trim': function (val) {\n    return typeof val === 'string' ? trim(val) : val;\n  }\n});\nexport function getRawValueParser(type) {\n  return valueParserMap.get(type);\n}\nvar ORDER_COMPARISON_OP_MAP = {\n  lt: function (lval, rval) {\n    return lval < rval;\n  },\n  lte: function (lval, rval) {\n    return lval <= rval;\n  },\n  gt: function (lval, rval) {\n    return lval > rval;\n  },\n  gte: function (lval, rval) {\n    return lval >= rval;\n  }\n};\n\nvar FilterOrderComparator =\n/** @class */\nfunction () {\n  function FilterOrderComparator(op, rval) {\n    if (typeof rval !== 'number') {\n      var errMsg = '';\n\n      if (process.env.NODE_ENV !== 'production') {\n        errMsg = 'rvalue of \"<\", \">\", \"<=\", \">=\" can only be number in filter.';\n      }\n\n      throwError(errMsg);\n    }\n\n    this._opFn = ORDER_COMPARISON_OP_MAP[op];\n    this._rvalFloat = numericToNumber(rval);\n  } // Performance sensitive.\n\n\n  FilterOrderComparator.prototype.evaluate = function (lval) {\n    // Most cases is 'number', and typeof maybe 10 times faseter than parseFloat.\n    return typeof lval === 'number' ? this._opFn(lval, this._rvalFloat) : this._opFn(numericToNumber(lval), this._rvalFloat);\n  };\n\n  return FilterOrderComparator;\n}();\n\nvar SortOrderComparator =\n/** @class */\nfunction () {\n  /**\n   * @param order by defualt: 'asc'\n   * @param incomparable by defualt: Always on the tail.\n   *        That is, if 'asc' => 'max', if 'desc' => 'min'\n   *        See the definition of \"incomparable\" in [SORT_COMPARISON_RULE]\n   */\n  function SortOrderComparator(order, incomparable) {\n    var isDesc = order === 'desc';\n    this._resultLT = isDesc ? 1 : -1;\n\n    if (incomparable == null) {\n      incomparable = isDesc ? 'min' : 'max';\n    }\n\n    this._incomparable = incomparable === 'min' ? -Infinity : Infinity;\n  } // See [SORT_COMPARISON_RULE].\n  // Performance sensitive.\n\n\n  SortOrderComparator.prototype.evaluate = function (lval, rval) {\n    // Most cases is 'number', and typeof maybe 10 times faseter than parseFloat.\n    var lvalTypeof = typeof lval;\n    var rvalTypeof = typeof rval;\n    var lvalFloat = lvalTypeof === 'number' ? lval : numericToNumber(lval);\n    var rvalFloat = rvalTypeof === 'number' ? rval : numericToNumber(rval);\n    var lvalNotNumeric = isNaN(lvalFloat);\n    var rvalNotNumeric = isNaN(rvalFloat);\n\n    if (lvalNotNumeric) {\n      lvalFloat = this._incomparable;\n    }\n\n    if (rvalNotNumeric) {\n      rvalFloat = this._incomparable;\n    }\n\n    if (lvalNotNumeric && rvalNotNumeric) {\n      var lvalIsStr = lvalTypeof === 'string';\n      var rvalIsStr = rvalTypeof === 'string';\n\n      if (lvalIsStr) {\n        lvalFloat = rvalIsStr ? lval : 0;\n      }\n\n      if (rvalIsStr) {\n        rvalFloat = lvalIsStr ? rval : 0;\n      }\n    }\n\n    return lvalFloat < rvalFloat ? this._resultLT : lvalFloat > rvalFloat ? -this._resultLT : 0;\n  };\n\n  return SortOrderComparator;\n}();\n\nexport { SortOrderComparator };\n\nvar FilterEqualityComparator =\n/** @class */\nfunction () {\n  function FilterEqualityComparator(isEq, rval) {\n    this._rval = rval;\n    this._isEQ = isEq;\n    this._rvalTypeof = typeof rval;\n    this._rvalFloat = numericToNumber(rval);\n  } // Performance sensitive.\n\n\n  FilterEqualityComparator.prototype.evaluate = function (lval) {\n    var eqResult = lval === this._rval;\n\n    if (!eqResult) {\n      var lvalTypeof = typeof lval;\n\n      if (lvalTypeof !== this._rvalTypeof && (lvalTypeof === 'number' || this._rvalTypeof === 'number')) {\n        eqResult = numericToNumber(lval) === this._rvalFloat;\n      }\n    }\n\n    return this._isEQ ? eqResult : !eqResult;\n  };\n\n  return FilterEqualityComparator;\n}();\n/**\n * [FILTER_COMPARISON_RULE]\n * `lt`|`lte`|`gt`|`gte`:\n * + rval must be a number. And lval will be converted to number (`numericToNumber`) to compare.\n * `eq`:\n * + If same type, compare with `===`.\n * + If there is one number, convert to number (`numericToNumber`) to compare.\n * + Else return `false`.\n * `ne`:\n * + Not `eq`.\n *\n *\n * [SORT_COMPARISON_RULE]\n * All the values are grouped into three categories:\n * + \"numeric\" (number and numeric string)\n * + \"non-numeric-string\" (string that excluding numeric string)\n * + \"others\"\n * \"numeric\" vs \"numeric\": values are ordered by number order.\n * \"non-numeric-string\" vs \"non-numeric-string\": values are ordered by ES spec (#sec-abstract-relational-comparison).\n * \"others\" vs \"others\": do not change order (always return 0).\n * \"numeric\" vs \"non-numeric-string\": \"non-numeric-string\" is treated as \"incomparable\".\n * \"number\" vs \"others\": \"others\" is treated as \"incomparable\".\n * \"non-numeric-string\" vs \"others\": \"others\" is treated as \"incomparable\".\n * \"incomparable\" will be seen as -Infinity or Infinity (depends on the settings).\n * MEMO:\n *   non-numeric string sort make sence when need to put the items with the same tag together.\n *   But if we support string sort, we still need to avoid the misleading like `'2' > '12'`,\n *   So we treat \"numeric-string\" sorted by number order rather than string comparison.\n *\n *\n * [CHECK_LIST_OF_THE_RULE_DESIGN]\n * + Do not support string comparison until required. And also need to\n *   void the misleading of \"2\" > \"12\".\n * + Should avoid the misleading case:\n *   `\" 22 \" gte \"22\"` is `true` but `\" 22 \" eq \"22\"` is `false`.\n * + JS bad case should be avoided: null <= 0, [] <= 0, ' ' <= 0, ...\n * + Only \"numeric\" can be converted to comparable number, otherwise converted to NaN.\n *   See `util/number.ts#numericToNumber`.\n *\n * @return If `op` is not `RelationalOperator`, return null;\n */\n\n\nexport function createFilterComparator(op, rval) {\n  return op === 'eq' || op === 'ne' ? new FilterEqualityComparator(op === 'eq', rval) : hasOwn(ORDER_COMPARISON_OP_MAP, op) ? new FilterOrderComparator(op, rval) : null;\n}","import { EmptyError } from '../util/EmptyError';\nimport { Observable } from '../Observable';\nimport { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { TeardownLogic, MonoTypeOperatorFunction } from '../types';\n\n/**\n * If the source observable completes without emitting a value, it will emit\n * an error. The error will be created at that time by the optional\n * `errorFactory` argument, otherwise, the error will be {@link EmptyError}.\n *\n * ![](throwIfEmpty.png)\n *\n * ## Example\n * ```ts\n * import { fromEvent, timer } from 'rxjs';\n * import { throwIfEmpty, takeUntil } from 'rxjs/operators';\n *\n * const click$ = fromEvent(document, 'click');\n *\n * click$.pipe(\n *   takeUntil(timer(1000)),\n *   throwIfEmpty(\n *     () => new Error('the document was not clicked within 1 second')\n *   ),\n * )\n * .subscribe({\n *   next() { console.log('The button was clicked'); },\n *   error(err) { console.error(err); }\n * });\n * ```\n *\n * @param errorFactory A factory function called to produce the\n * error to be thrown when the source observable completes without emitting a\n * value.\n */\nexport function throwIfEmpty <T>(errorFactory: (() => any) = defaultErrorFactory): MonoTypeOperatorFunction<T> {\n  return (source: Observable<T>) => {\n    return source.lift(new ThrowIfEmptyOperator(errorFactory));\n  };\n}\n\nclass ThrowIfEmptyOperator<T> implements Operator<T, T> {\n  constructor(private errorFactory: () => any) {\n  }\n\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    return source.subscribe(new ThrowIfEmptySubscriber(subscriber, this.errorFactory));\n  }\n}\n\nclass ThrowIfEmptySubscriber<T> extends Subscriber<T> {\n  private hasValue: boolean = false;\n\n  constructor(destination: Subscriber<T>, private errorFactory: () => any) {\n    super(destination);\n  }\n\n  protected _next(value: T): void {\n    this.hasValue = true;\n    this.destination.next(value);\n  }\n\n  protected _complete() {\n    if (!this.hasValue) {\n      let err: any;\n      try {\n        err = this.errorFactory();\n      } catch (e) {\n        err = e;\n      }\n      this.destination.error(err);\n    } else {\n        return this.destination.complete();\n    }\n  }\n}\n\nfunction defaultErrorFactory() {\n  return new EmptyError();\n}\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * Parse and decode geo json\n */\nimport * as zrUtil from 'zrender/lib/core/util';\nimport { GeoJSONRegion } from './Region';\n\nfunction decode(json) {\n  if (!json.UTF8Encoding) {\n    return json;\n  }\n\n  var jsonCompressed = json;\n  var encodeScale = jsonCompressed.UTF8Scale;\n\n  if (encodeScale == null) {\n    encodeScale = 1024;\n  }\n\n  var features = jsonCompressed.features;\n\n  for (var f = 0; f < features.length; f++) {\n    var feature = features[f];\n    var geometry = feature.geometry;\n\n    if (geometry.type === 'Polygon') {\n      var coordinates = geometry.coordinates;\n\n      for (var c = 0; c < coordinates.length; c++) {\n        coordinates[c] = decodePolygon(coordinates[c], geometry.encodeOffsets[c], encodeScale);\n      }\n    } else if (geometry.type === 'MultiPolygon') {\n      var coordinates = geometry.coordinates;\n\n      for (var c = 0; c < coordinates.length; c++) {\n        var coordinate = coordinates[c];\n\n        for (var c2 = 0; c2 < coordinate.length; c2++) {\n          coordinate[c2] = decodePolygon(coordinate[c2], geometry.encodeOffsets[c][c2], encodeScale);\n        }\n      }\n    }\n  } // Has been decoded\n\n\n  jsonCompressed.UTF8Encoding = false;\n  return jsonCompressed;\n}\n\nfunction decodePolygon(coordinate, encodeOffsets, encodeScale) {\n  var result = [];\n  var prevX = encodeOffsets[0];\n  var prevY = encodeOffsets[1];\n\n  for (var i = 0; i < coordinate.length; i += 2) {\n    var x = coordinate.charCodeAt(i) - 64;\n    var y = coordinate.charCodeAt(i + 1) - 64; // ZigZag decoding\n\n    x = x >> 1 ^ -(x & 1);\n    y = y >> 1 ^ -(y & 1); // Delta deocding\n\n    x += prevX;\n    y += prevY;\n    prevX = x;\n    prevY = y; // Dequantize\n\n    result.push([x / encodeScale, y / encodeScale]);\n  }\n\n  return result;\n}\n\nexport default function parseGeoJSON(geoJson, nameProperty) {\n  geoJson = decode(geoJson);\n  return zrUtil.map(zrUtil.filter(geoJson.features, function (featureObj) {\n    // Output of mapshaper may have geometry null\n    return featureObj.geometry && featureObj.properties && featureObj.geometry.coordinates.length > 0;\n  }), function (featureObj) {\n    var properties = featureObj.properties;\n    var geo = featureObj.geometry;\n    var geometries = [];\n\n    if (geo.type === 'Polygon') {\n      var coordinates = geo.coordinates;\n      geometries.push({\n        type: 'polygon',\n        // According to the GeoJSON specification.\n        // First must be exterior, and the rest are all interior(holes).\n        exterior: coordinates[0],\n        interiors: coordinates.slice(1)\n      });\n    }\n\n    if (geo.type === 'MultiPolygon') {\n      var coordinates = geo.coordinates;\n      zrUtil.each(coordinates, function (item) {\n        if (item[0]) {\n          geometries.push({\n            type: 'polygon',\n            exterior: item[0],\n            interiors: item.slice(1)\n          });\n        }\n      });\n    }\n\n    var region = new GeoJSONRegion(properties[nameProperty || 'name'], geometries, properties.cp);\n    region.properties = properties;\n    return region;\n  });\n}","import { async } from '../scheduler/async';\nimport { isDate } from '../util/isDate';\nimport { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { Notification } from '../Notification';\nimport { Observable } from '../Observable';\nimport { MonoTypeOperatorFunction, PartialObserver, SchedulerAction, SchedulerLike, TeardownLogic } from '../types';\n\n/**\n * Delays the emission of items from the source Observable by a given timeout or\n * until a given Date.\n *\n * <span class=\"informal\">Time shifts each item by some specified amount of\n * milliseconds.</span>\n *\n * ![](delay.png)\n *\n * If the delay argument is a Number, this operator time shifts the source\n * Observable by that amount of time expressed in milliseconds. The relative\n * time intervals between the values are preserved.\n *\n * If the delay argument is a Date, this operator time shifts the start of the\n * Observable execution until the given date occurs.\n *\n * ## Examples\n * Delay each click by one second\n * ```ts\n * import { fromEvent } from 'rxjs';\n * import { delay } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const delayedClicks = clicks.pipe(delay(1000)); // each click emitted after 1 second\n * delayedClicks.subscribe(x => console.log(x));\n * ```\n *\n * Delay all clicks until a future date happens\n * ```ts\n * import { fromEvent } from 'rxjs';\n * import { delay } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const date = new Date('March 15, 2050 12:00:00'); // in the future\n * const delayedClicks = clicks.pipe(delay(date)); // click emitted only after that date\n * delayedClicks.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link debounceTime}\n * @see {@link delayWhen}\n *\n * @param {number|Date} delay The delay duration in milliseconds (a `number`) or\n * a `Date` until which the emission of the source items is delayed.\n * @param {SchedulerLike} [scheduler=async] The {@link SchedulerLike} to use for\n * managing the timers that handle the time-shift for each item.\n * @return {Observable} An Observable that delays the emissions of the source\n * Observable by the specified timeout or Date.\n * @method delay\n * @owner Observable\n */\nexport function delay<T>(delay: number|Date,\n                         scheduler: SchedulerLike = async): MonoTypeOperatorFunction<T> {\n  const absoluteDelay = isDate(delay);\n  const delayFor = absoluteDelay ? (+delay - scheduler.now()) : Math.abs(<number>delay);\n  return (source: Observable<T>) => source.lift(new DelayOperator(delayFor, scheduler));\n}\n\nclass DelayOperator<T> implements Operator<T, T> {\n  constructor(private delay: number,\n              private scheduler: SchedulerLike) {\n  }\n\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    return source.subscribe(new DelaySubscriber(subscriber, this.delay, this.scheduler));\n  }\n}\n\ninterface DelayState<T> {\n  source: DelaySubscriber<T>;\n  destination: PartialObserver<T>;\n  scheduler: SchedulerLike;\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass DelaySubscriber<T> extends Subscriber<T> {\n  private queue: Array<DelayMessage<T>> = [];\n  private active: boolean = false;\n  private errored: boolean = false;\n\n  private static dispatch<T>(this: SchedulerAction<DelayState<T>>, state: DelayState<T>): void {\n    const source = state.source;\n    const queue = source.queue;\n    const scheduler = state.scheduler;\n    const destination = state.destination;\n\n    while (queue.length > 0 && (queue[0].time - scheduler.now()) <= 0) {\n      queue.shift().notification.observe(destination);\n    }\n\n    if (queue.length > 0) {\n      const delay = Math.max(0, queue[0].time - scheduler.now());\n      this.schedule(state, delay);\n    } else {\n      this.unsubscribe();\n      source.active = false;\n    }\n  }\n\n  constructor(destination: Subscriber<T>,\n              private delay: number,\n              private scheduler: SchedulerLike) {\n    super(destination);\n  }\n\n  private _schedule(scheduler: SchedulerLike): void {\n    this.active = true;\n    const destination = this.destination as Subscription;\n    destination.add(scheduler.schedule<DelayState<T>>(DelaySubscriber.dispatch, this.delay, {\n      source: this, destination: this.destination, scheduler: scheduler\n    }));\n  }\n\n  private scheduleNotification(notification: Notification<T>): void {\n    if (this.errored === true) {\n      return;\n    }\n\n    const scheduler = this.scheduler;\n    const message = new DelayMessage(scheduler.now() + this.delay, notification);\n    this.queue.push(message);\n\n    if (this.active === false) {\n      this._schedule(scheduler);\n    }\n  }\n\n  protected _next(value: T) {\n    this.scheduleNotification(Notification.createNext(value));\n  }\n\n  protected _error(err: any) {\n    this.errored = true;\n    this.queue = [];\n    this.destination.error(err);\n    this.unsubscribe();\n  }\n\n  protected _complete() {\n    this.scheduleNotification(Notification.createComplete());\n    this.unsubscribe();\n  }\n}\n\nclass DelayMessage<T> {\n  constructor(public readonly time: number,\n              public readonly notification: Notification<T>) {\n  }\n}\n","export function isDate(value: any): value is Date {\n  return value instanceof Date && !isNaN(+value);\n}\n","import { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError';\nimport { empty } from '../observable/empty';\nimport { Observable } from '../Observable';\nimport { MonoTypeOperatorFunction, TeardownLogic } from '../types';\n\n/**\n * Emits only the last `count` values emitted by the source Observable.\n *\n * <span class=\"informal\">Remembers the latest `count` values, then emits those\n * only when the source completes.</span>\n *\n * ![](takeLast.png)\n *\n * `takeLast` returns an Observable that emits at most the last `count` values\n * emitted by the source Observable. If the source emits fewer than `count`\n * values then all of its values are emitted. This operator must wait until the\n * `complete` notification emission from the source in order to emit the `next`\n * values on the output Observable, because otherwise it is impossible to know\n * whether or not more values will be emitted on the source. For this reason,\n * all values are emitted synchronously, followed by the complete notification.\n *\n * ## Example\n * Take the last 3 values of an Observable with many values\n * ```ts\n * import { range } from 'rxjs';\n * import { takeLast } from 'rxjs/operators';\n *\n * const many = range(1, 100);\n * const lastThree = many.pipe(takeLast(3));\n * lastThree.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link take}\n * @see {@link takeUntil}\n * @see {@link takeWhile}\n * @see {@link skip}\n *\n * @throws {ArgumentOutOfRangeError} When using `takeLast(i)`, it delivers an\n * ArgumentOutOrRangeError to the Observer's `error` callback if `i < 0`.\n *\n * @param {number} count The maximum number of values to emit from the end of\n * the sequence of values emitted by the source Observable.\n * @return {Observable<T>} An Observable that emits at most the last count\n * values emitted by the source Observable.\n * @method takeLast\n * @owner Observable\n */\nexport function takeLast<T>(count: number): MonoTypeOperatorFunction<T> {\n  return function takeLastOperatorFunction(source: Observable<T>): Observable<T> {\n    if (count === 0) {\n      return empty();\n    } else {\n      return source.lift(new TakeLastOperator(count));\n    }\n  };\n}\n\nclass TakeLastOperator<T> implements Operator<T, T> {\n  constructor(private total: number) {\n    if (this.total < 0) {\n      throw new ArgumentOutOfRangeError;\n    }\n  }\n\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    return source.subscribe(new TakeLastSubscriber(subscriber, this.total));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\nclass TakeLastSubscriber<T> extends Subscriber<T> {\n  private ring: Array<T> = new Array();\n  private count: number = 0;\n\n  constructor(destination: Subscriber<T>, private total: number) {\n    super(destination);\n  }\n\n  protected _next(value: T): void {\n    const ring = this.ring;\n    const total = this.total;\n    const count = this.count++;\n\n    if (ring.length < total) {\n      ring.push(value);\n    } else {\n      const index = count % total;\n      ring[index] = value;\n    }\n  }\n\n  protected _complete(): void {\n    const destination = this.destination;\n    let count = this.count;\n\n    if (count > 0) {\n      const total = this.count >= this.total ? this.total : this.count;\n      const ring  = this.ring;\n\n      for (let i = 0; i < total; i++) {\n        const idx = (count++) % total;\n        destination.next(ring[idx]);\n      }\n    }\n\n    destination.complete();\n  }\n}\n","import { Observable } from '../Observable';\nimport { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { EmptyError } from '../util/EmptyError';\nimport { OperatorFunction } from '../../internal/types';\nimport { filter } from './filter';\nimport { takeLast } from './takeLast';\nimport { throwIfEmpty } from './throwIfEmpty';\nimport { defaultIfEmpty } from './defaultIfEmpty';\nimport { identity } from '../util/identity';\n\n/* tslint:disable:max-line-length */\nexport function last<T, D = T>(\n  predicate?: null,\n  defaultValue?: D\n): OperatorFunction<T, T | D>;\nexport function last<T, S extends T>(\n  predicate: (value: T, index: number, source: Observable<T>) => value is S,\n  defaultValue?: S\n): OperatorFunction<T, S>;\nexport function last<T, D = T>(\n  predicate: (value: T, index: number, source: Observable<T>) => boolean,\n  defaultValue?: D\n): OperatorFunction<T, T | D>;\n/* tslint:enable:max-line-length */\n\n/**\n * Returns an Observable that emits only the last item emitted by the source Observable.\n * It optionally takes a predicate function as a parameter, in which case, rather than emitting\n * the last item from the source Observable, the resulting Observable will emit the last item\n * from the source Observable that satisfies the predicate.\n *\n * ![](last.png)\n *\n * @throws {EmptyError} Delivers an EmptyError to the Observer's `error`\n * callback if the Observable completes before any `next` notification was sent.\n * @param {function} [predicate] - The condition any source emitted item has to satisfy.\n * @param {any} [defaultValue] - An optional default value to provide if last\n * predicate isn't met or no values were emitted.\n * @return {Observable} An Observable that emits only the last item satisfying the given condition\n * from the source, or an NoSuchElementException if no such items are emitted.\n * @throws - Throws if no items that match the predicate are emitted by the source Observable.\n */\nexport function last<T, D>(\n  predicate?: ((value: T, index: number, source: Observable<T>) => boolean) | null,\n  defaultValue?: D\n): OperatorFunction<T, T | D> {\n  const hasDefaultValue = arguments.length >= 2;\n  return (source: Observable<T>) => source.pipe(\n    predicate ? filter((v, i) => predicate(v, i, source)) : identity,\n    takeLast(1),\n    hasDefaultValue ? defaultIfEmpty<T | D>(defaultValue) : throwIfEmpty(() => new EmptyError()),\n  );\n}\n","import { __extends } from \"tslib\";\nimport Path from '../Path';\nimport * as roundRectHelper from '../helper/roundRect';\nimport { subPixelOptimizeRect } from '../helper/subPixelOptimize';\nvar RectShape = (function () {\n    function RectShape() {\n        this.x = 0;\n        this.y = 0;\n        this.width = 0;\n        this.height = 0;\n    }\n    return RectShape;\n}());\nexport { RectShape };\nvar subPixelOptimizeOutputShape = {};\nvar Rect = (function (_super) {\n    __extends(Rect, _super);\n    function Rect(opts) {\n        return _super.call(this, opts) || this;\n    }\n    Rect.prototype.getDefaultShape = function () {\n        return new RectShape();\n    };\n    Rect.prototype.buildPath = function (ctx, shape) {\n        var x;\n        var y;\n        var width;\n        var height;\n        if (this.subPixelOptimize) {\n            var optimizedShape = subPixelOptimizeRect(subPixelOptimizeOutputShape, shape, this.style);\n            x = optimizedShape.x;\n            y = optimizedShape.y;\n            width = optimizedShape.width;\n            height = optimizedShape.height;\n            optimizedShape.r = shape.r;\n            shape = optimizedShape;\n        }\n        else {\n            x = shape.x;\n            y = shape.y;\n            width = shape.width;\n            height = shape.height;\n        }\n        if (!shape.r) {\n            ctx.rect(x, y, width, height);\n        }\n        else {\n            roundRectHelper.buildPath(ctx, shape);\n        }\n    };\n    Rect.prototype.isZeroArea = function () {\n        return !this.shape.width || !this.shape.height;\n    };\n    return Rect;\n}(Path));\nRect.prototype.type = 'rect';\nexport default Rect;\n","export function buildPath(ctx, shape) {\n    var x = shape.x;\n    var y = shape.y;\n    var width = shape.width;\n    var height = shape.height;\n    var r = shape.r;\n    var r1;\n    var r2;\n    var r3;\n    var r4;\n    if (width < 0) {\n        x = x + width;\n        width = -width;\n    }\n    if (height < 0) {\n        y = y + height;\n        height = -height;\n    }\n    if (typeof r === 'number') {\n        r1 = r2 = r3 = r4 = r;\n    }\n    else if (r instanceof Array) {\n        if (r.length === 1) {\n            r1 = r2 = r3 = r4 = r[0];\n        }\n        else if (r.length === 2) {\n            r1 = r3 = r[0];\n            r2 = r4 = r[1];\n        }\n        else if (r.length === 3) {\n            r1 = r[0];\n            r2 = r4 = r[1];\n            r3 = r[2];\n        }\n        else {\n            r1 = r[0];\n            r2 = r[1];\n            r3 = r[2];\n            r4 = r[3];\n        }\n    }\n    else {\n        r1 = r2 = r3 = r4 = 0;\n    }\n    var total;\n    if (r1 + r2 > width) {\n        total = r1 + r2;\n        r1 *= width / total;\n        r2 *= width / total;\n    }\n    if (r3 + r4 > width) {\n        total = r3 + r4;\n        r3 *= width / total;\n        r4 *= width / total;\n    }\n    if (r2 + r3 > height) {\n        total = r2 + r3;\n        r2 *= height / total;\n        r3 *= height / total;\n    }\n    if (r1 + r4 > height) {\n        total = r1 + r4;\n        r1 *= height / total;\n        r4 *= height / total;\n    }\n    ctx.moveTo(x + r1, y);\n    ctx.lineTo(x + width - r2, y);\n    r2 !== 0 && ctx.arc(x + width - r2, y + r2, r2, -Math.PI / 2, 0);\n    ctx.lineTo(x + width, y + height - r3);\n    r3 !== 0 && ctx.arc(x + width - r3, y + height - r3, r3, 0, Math.PI / 2);\n    ctx.lineTo(x + r4, y + height);\n    r4 !== 0 && ctx.arc(x + r4, y + height - r4, r4, Math.PI / 2, Math.PI);\n    ctx.lineTo(x, y + r1);\n    r1 !== 0 && ctx.arc(x + r1, y + r1, r1, Math.PI, Math.PI * 1.5);\n}\n","import { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { Observable } from '../Observable';\nimport { MonoTypeOperatorFunction, PartialObserver, TeardownLogic } from '../types';\nimport { noop } from '../util/noop';\nimport { isFunction } from '../util/isFunction';\n\n/* tslint:disable:max-line-length */\n/** @deprecated Use an observer instead of a complete callback */\nexport function tap<T>(next: null | undefined, error: null | undefined, complete: () => void): MonoTypeOperatorFunction<T>;\n/** @deprecated Use an observer instead of an error callback */\nexport function tap<T>(next: null | undefined, error: (error: any) => void, complete?: () => void): MonoTypeOperatorFunction<T>;\n/** @deprecated Use an observer instead of a complete callback */\nexport function tap<T>(next: (value: T) => void, error: null | undefined, complete: () => void): MonoTypeOperatorFunction<T>;\nexport function tap<T>(next?: (x: T) => void, error?: (e: any) => void, complete?: () => void): MonoTypeOperatorFunction<T>;\nexport function tap<T>(observer: PartialObserver<T>): MonoTypeOperatorFunction<T>;\n/* tslint:enable:max-line-length */\n\n/**\n * Perform a side effect for every emission on the source Observable, but return\n * an Observable that is identical to the source.\n *\n * <span class=\"informal\">Intercepts each emission on the source and runs a\n * function, but returns an output which is identical to the source as long as errors don't occur.</span>\n *\n * ![](do.png)\n *\n * Returns a mirrored Observable of the source Observable, but modified so that\n * the provided Observer is called to perform a side effect for every value,\n * error, and completion emitted by the source. Any errors that are thrown in\n * the aforementioned Observer or handlers are safely sent down the error path\n * of the output Observable.\n *\n * This operator is useful for debugging your Observables for the correct values\n * or performing other side effects.\n *\n * Note: this is different to a `subscribe` on the Observable. If the Observable\n * returned by `tap` is not subscribed, the side effects specified by the\n * Observer will never happen. `tap` therefore simply spies on existing\n * execution, it does not trigger an execution to happen like `subscribe` does.\n *\n * ## Example\n * Map every click to the clientX position of that click, while also logging the click event\n * ```ts\n * import { fromEvent } from 'rxjs';\n * import { tap, map } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const positions = clicks.pipe(\n *   tap(ev => console.log(ev)),\n *   map(ev => ev.clientX),\n * );\n * positions.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link map}\n * @see {@link Observable#subscribe}\n *\n * @param {Observer|function} [nextOrObserver] A normal Observer object or a\n * callback for `next`.\n * @param {function} [error] Callback for errors in the source.\n * @param {function} [complete] Callback for the completion of the source.\n * @return {Observable} An Observable identical to the source, but runs the\n * specified Observer or callback(s) for each item.\n * @name tap\n */\nexport function tap<T>(nextOrObserver?: PartialObserver<T> | ((x: T) => void),\n                       error?: (e: any) => void,\n                       complete?: () => void): MonoTypeOperatorFunction<T> {\n  return function tapOperatorFunction(source: Observable<T>): Observable<T> {\n    return source.lift(new DoOperator(nextOrObserver, error, complete));\n  };\n}\n\nclass DoOperator<T> implements Operator<T, T> {\n  constructor(private nextOrObserver?: PartialObserver<T> | ((x: T) => void),\n              private error?: (e: any) => void,\n              private complete?: () => void) {\n  }\n  call(subscriber: Subscriber<T>, source: any): TeardownLogic {\n    return source.subscribe(new TapSubscriber(subscriber, this.nextOrObserver, this.error, this.complete));\n  }\n}\n\n/**\n * We need this JSDoc comment for affecting ESDoc.\n * @ignore\n * @extends {Ignored}\n */\n\nclass TapSubscriber<T> extends Subscriber<T> {\n  private _context: any;\n\n  private _tapNext: ((value: T) => void) = noop;\n\n  private _tapError: ((err: any) => void) = noop;\n\n  private _tapComplete: (() => void) = noop;\n\n  constructor(destination: Subscriber<T>,\n              observerOrNext?: PartialObserver<T> | ((value: T) => void),\n              error?: (e?: any) => void,\n              complete?: () => void) {\n      super(destination);\n      this._tapError = error || noop;\n      this._tapComplete = complete || noop;\n      if (isFunction(observerOrNext)) {\n        this._context = this;\n        this._tapNext = observerOrNext;\n      } else if (observerOrNext) {\n        this._context = observerOrNext;\n        this._tapNext = observerOrNext.next || noop;\n        this._tapError = observerOrNext.error || noop;\n        this._tapComplete = observerOrNext.complete || noop;\n      }\n    }\n\n  _next(value: T) {\n    try {\n      this._tapNext.call(this._context, value);\n    } catch (err) {\n      this.destination.error(err);\n      return;\n    }\n    this.destination.next(value);\n  }\n\n  _error(err: any) {\n    try {\n      this._tapError.call(this._context, err);\n    } catch (err) {\n      this.destination.error(err);\n      return;\n    }\n    this.destination.error(err);\n  }\n\n  _complete() {\n    try {\n      this._tapComplete.call(this._context, );\n    } catch (err) {\n      this.destination.error(err);\n      return;\n    }\n    return this.destination.complete();\n  }\n}\n","import { Subject } from '../Subject';\nimport { Operator } from '../Operator';\nimport { Subscriber } from '../Subscriber';\nimport { Observable } from '../Observable';\nimport { ConnectableObservable, connectableObservableDescriptor } from '../observable/ConnectableObservable';\nimport { MonoTypeOperatorFunction, OperatorFunction, UnaryFunction, ObservedValueOf, ObservableInput } from '../types';\n\n/* tslint:disable:max-line-length */\nexport function multicast<T>(subject: Subject<T>): UnaryFunction<Observable<T>, ConnectableObservable<T>>;\nexport function multicast<T, O extends ObservableInput<any>>(subject: Subject<T>, selector: (shared: Observable<T>) => O): UnaryFunction<Observable<T>, ConnectableObservable<ObservedValueOf<O>>>;\nexport function multicast<T>(subjectFactory: (this: Observable<T>) => Subject<T>): UnaryFunction<Observable<T>, ConnectableObservable<T>>;\nexport function multicast<T, O extends ObservableInput<any>>(SubjectFactory: (this: Observable<T>) => Subject<T>, selector: (shared: Observable<T>) => O): OperatorFunction<T, ObservedValueOf<O>>;\n/* tslint:enable:max-line-length */\n\n/**\n * Returns an Observable that emits the results of invoking a specified selector on items\n * emitted by a ConnectableObservable that shares a single subscription to the underlying stream.\n *\n * ![](multicast.png)\n *\n * @param {Function|Subject} subjectOrSubjectFactory - Factory function to create an intermediate subject through\n * which the source sequence's elements will be multicast to the selector function\n * or Subject to push source elements into.\n * @param {Function} [selector] - Optional selector function that can use the multicasted source stream\n * as many times as needed, without causing multiple subscriptions to the source stream.\n * Subscribers to the given source will receive all notifications of the source from the\n * time of the subscription forward.\n * @return {Observable} An Observable that emits the results of invoking the selector\n * on the items emitted by a `ConnectableObservable` that shares a single subscription to\n * the underlying stream.\n * @method multicast\n * @owner Observable\n */\nexport function multicast<T, R>(subjectOrSubjectFactory: Subject<T> | (() => Subject<T>),\n                                selector?: (source: Observable<T>) => Observable<R>): OperatorFunction<T, R> {\n  return function multicastOperatorFunction(source: Observable<T>): Observable<R> {\n    let subjectFactory: () => Subject<T>;\n    if (typeof subjectOrSubjectFactory === 'function') {\n      subjectFactory = <() => Subject<T>>subjectOrSubjectFactory;\n    } else {\n      subjectFactory = function subjectFactory() {\n        return <Subject<T>>subjectOrSubjectFactory;\n      };\n    }\n\n    if (typeof selector === 'function') {\n      return source.lift(new MulticastOperator(subjectFactory, selector));\n    }\n\n    const connectable: any = Object.create(source, connectableObservableDescriptor);\n    connectable.source = source;\n    connectable.subjectFactory = subjectFactory;\n\n    return <ConnectableObservable<R>> connectable;\n  };\n}\n\nexport class MulticastOperator<T, R> implements Operator<T, R> {\n  constructor(private subjectFactory: () => Subject<T>,\n              private selector: (source: Observable<T>) => Observable<R>) {\n  }\n  call(subscriber: Subscriber<R>, source: any): any {\n    const { selector } = this;\n    const subject = this.subjectFactory();\n    const subscription = selector(subject).subscribe(subscriber);\n    subscription.add(source.subscribe(subject));\n    return subscription;\n  }\n}\n","import * as curve from '../core/curve';\nexport function containStroke(x0, y0, x1, y1, x2, y2, x3, y3, lineWidth, x, y) {\n    if (lineWidth === 0) {\n        return false;\n    }\n    var _l = lineWidth;\n    if ((y > y0 + _l && y > y1 + _l && y > y2 + _l && y > y3 + _l)\n        || (y < y0 - _l && y < y1 - _l && y < y2 - _l && y < y3 - _l)\n        || (x > x0 + _l && x > x1 + _l && x > x2 + _l && x > x3 + _l)\n        || (x < x0 - _l && x < x1 - _l && x < x2 - _l && x < x3 - _l)) {\n        return false;\n    }\n    var d = curve.cubicProjectPoint(x0, y0, x1, y1, x2, y2, x3, y3, x, y, null);\n    return d <= _l / 2;\n}\n","import { normalizeRadian } from './util';\nvar PI2 = Math.PI * 2;\nexport function containStroke(cx, cy, r, startAngle, endAngle, anticlockwise, lineWidth, x, y) {\n    if (lineWidth === 0) {\n        return false;\n    }\n    var _l = lineWidth;\n    x -= cx;\n    y -= cy;\n    var d = Math.sqrt(x * x + y * y);\n    if ((d - _l > r) || (d + _l < r)) {\n        return false;\n    }\n    if (Math.abs(startAngle - endAngle) % PI2 < 1e-4) {\n        return true;\n    }\n    if (anticlockwise) {\n        var tmp = startAngle;\n        startAngle = normalizeRadian(endAngle);\n        endAngle = normalizeRadian(tmp);\n    }\n    else {\n        startAngle = normalizeRadian(startAngle);\n        endAngle = normalizeRadian(endAngle);\n    }\n    if (startAngle > endAngle) {\n        endAngle += PI2;\n    }\n    var angle = Math.atan2(y, x);\n    if (angle < 0) {\n        angle += PI2;\n    }\n    return (angle >= startAngle && angle <= endAngle)\n        || (angle + PI2 >= startAngle && angle + PI2 <= endAngle);\n}\n","import PathProxy from '../core/PathProxy';\nimport * as line from './line';\nimport * as cubic from './cubic';\nimport * as quadratic from './quadratic';\nimport * as arc from './arc';\nimport * as curve from '../core/curve';\nimport windingLine from './windingLine';\nvar CMD = PathProxy.CMD;\nvar PI2 = Math.PI * 2;\nvar EPSILON = 1e-4;\nfunction isAroundEqual(a, b) {\n    return Math.abs(a - b) < EPSILON;\n}\nvar roots = [-1, -1, -1];\nvar extrema = [-1, -1];\nfunction swapExtrema() {\n    var tmp = extrema[0];\n    extrema[0] = extrema[1];\n    extrema[1] = tmp;\n}\nfunction windingCubic(x0, y0, x1, y1, x2, y2, x3, y3, x, y) {\n    if ((y > y0 && y > y1 && y > y2 && y > y3)\n        || (y < y0 && y < y1 && y < y2 && y < y3)) {\n        return 0;\n    }\n    var nRoots = curve.cubicRootAt(y0, y1, y2, y3, y, roots);\n    if (nRoots === 0) {\n        return 0;\n    }\n    else {\n        var w = 0;\n        var nExtrema = -1;\n        var y0_ = void 0;\n        var y1_ = void 0;\n        for (var i = 0; i < nRoots; i++) {\n            var t = roots[i];\n            var unit = (t === 0 || t === 1) ? 0.5 : 1;\n            var x_ = curve.cubicAt(x0, x1, x2, x3, t);\n            if (x_ < x) {\n                continue;\n            }\n            if (nExtrema < 0) {\n                nExtrema = curve.cubicExtrema(y0, y1, y2, y3, extrema);\n                if (extrema[1] < extrema[0] && nExtrema > 1) {\n                    swapExtrema();\n                }\n                y0_ = curve.cubicAt(y0, y1, y2, y3, extrema[0]);\n                if (nExtrema > 1) {\n                    y1_ = curve.cubicAt(y0, y1, y2, y3, extrema[1]);\n                }\n            }\n            if (nExtrema === 2) {\n                if (t < extrema[0]) {\n                    w += y0_ < y0 ? unit : -unit;\n                }\n                else if (t < extrema[1]) {\n                    w += y1_ < y0_ ? unit : -unit;\n                }\n                else {\n                    w += y3 < y1_ ? unit : -unit;\n                }\n            }\n            else {\n                if (t < extrema[0]) {\n                    w += y0_ < y0 ? unit : -unit;\n                }\n                else {\n                    w += y3 < y0_ ? unit : -unit;\n                }\n            }\n        }\n        return w;\n    }\n}\nfunction windingQuadratic(x0, y0, x1, y1, x2, y2, x, y) {\n    if ((y > y0 && y > y1 && y > y2)\n        || (y < y0 && y < y1 && y < y2)) {\n        return 0;\n    }\n    var nRoots = curve.quadraticRootAt(y0, y1, y2, y, roots);\n    if (nRoots === 0) {\n        return 0;\n    }\n    else {\n        var t = curve.quadraticExtremum(y0, y1, y2);\n        if (t >= 0 && t <= 1) {\n            var w = 0;\n            var y_ = curve.quadraticAt(y0, y1, y2, t);\n            for (var i = 0; i < nRoots; i++) {\n                var unit = (roots[i] === 0 || roots[i] === 1) ? 0.5 : 1;\n                var x_ = curve.quadraticAt(x0, x1, x2, roots[i]);\n                if (x_ < x) {\n                    continue;\n                }\n                if (roots[i] < t) {\n                    w += y_ < y0 ? unit : -unit;\n                }\n                else {\n                    w += y2 < y_ ? unit : -unit;\n                }\n            }\n            return w;\n        }\n        else {\n            var unit = (roots[0] === 0 || roots[0] === 1) ? 0.5 : 1;\n            var x_ = curve.quadraticAt(x0, x1, x2, roots[0]);\n            if (x_ < x) {\n                return 0;\n            }\n            return y2 < y0 ? unit : -unit;\n        }\n    }\n}\nfunction windingArc(cx, cy, r, startAngle, endAngle, anticlockwise, x, y) {\n    y -= cy;\n    if (y > r || y < -r) {\n        return 0;\n    }\n    var tmp = Math.sqrt(r * r - y * y);\n    roots[0] = -tmp;\n    roots[1] = tmp;\n    var dTheta = Math.abs(startAngle - endAngle);\n    if (dTheta < 1e-4) {\n        return 0;\n    }\n    if (dTheta >= PI2 - 1e-4) {\n        startAngle = 0;\n        endAngle = PI2;\n        var dir = anticlockwise ? 1 : -1;\n        if (x >= roots[0] + cx && x <= roots[1] + cx) {\n            return dir;\n        }\n        else {\n            return 0;\n        }\n    }\n    if (startAngle > endAngle) {\n        var tmp_1 = startAngle;\n        startAngle = endAngle;\n        endAngle = tmp_1;\n    }\n    if (startAngle < 0) {\n        startAngle += PI2;\n        endAngle += PI2;\n    }\n    var w = 0;\n    for (var i = 0; i < 2; i++) {\n        var x_ = roots[i];\n        if (x_ + cx > x) {\n            var angle = Math.atan2(y, x_);\n            var dir = anticlockwise ? 1 : -1;\n            if (angle < 0) {\n                angle = PI2 + angle;\n            }\n            if ((angle >= startAngle && angle <= endAngle)\n                || (angle + PI2 >= startAngle && angle + PI2 <= endAngle)) {\n                if (angle > Math.PI / 2 && angle < Math.PI * 1.5) {\n                    dir = -dir;\n                }\n                w += dir;\n            }\n        }\n    }\n    return w;\n}\nfunction containPath(path, lineWidth, isStroke, x, y) {\n    var data = path.data;\n    var len = path.len();\n    var w = 0;\n    var xi = 0;\n    var yi = 0;\n    var x0 = 0;\n    var y0 = 0;\n    var x1;\n    var y1;\n    for (var i = 0; i < len;) {\n        var cmd = data[i++];\n        var isFirst = i === 1;\n        if (cmd === CMD.M && i > 1) {\n            if (!isStroke) {\n                w += windingLine(xi, yi, x0, y0, x, y);\n            }\n        }\n        if (isFirst) {\n            xi = data[i];\n            yi = data[i + 1];\n            x0 = xi;\n            y0 = yi;\n        }\n        switch (cmd) {\n            case CMD.M:\n                x0 = data[i++];\n                y0 = data[i++];\n                xi = x0;\n                yi = y0;\n                break;\n            case CMD.L:\n                if (isStroke) {\n                    if (line.containStroke(xi, yi, data[i], data[i + 1], lineWidth, x, y)) {\n                        return true;\n                    }\n                }\n                else {\n                    w += windingLine(xi, yi, data[i], data[i + 1], x, y) || 0;\n                }\n                xi = data[i++];\n                yi = data[i++];\n                break;\n            case CMD.C:\n                if (isStroke) {\n                    if (cubic.containStroke(xi, yi, data[i++], data[i++], data[i++], data[i++], data[i], data[i + 1], lineWidth, x, y)) {\n                        return true;\n                    }\n                }\n                else {\n                    w += windingCubic(xi, yi, data[i++], data[i++], data[i++], data[i++], data[i], data[i + 1], x, y) || 0;\n                }\n                xi = data[i++];\n                yi = data[i++];\n                break;\n            case CMD.Q:\n                if (isStroke) {\n                    if (quadratic.containStroke(xi, yi, data[i++], data[i++], data[i], data[i + 1], lineWidth, x, y)) {\n                        return true;\n                    }\n                }\n                else {\n                    w += windingQuadratic(xi, yi, data[i++], data[i++], data[i], data[i + 1], x, y) || 0;\n                }\n                xi = data[i++];\n                yi = data[i++];\n                break;\n            case CMD.A:\n                var cx = data[i++];\n                var cy = data[i++];\n                var rx = data[i++];\n                var ry = data[i++];\n                var theta = data[i++];\n                var dTheta = data[i++];\n                i += 1;\n                var anticlockwise = !!(1 - data[i++]);\n                x1 = Math.cos(theta) * rx + cx;\n                y1 = Math.sin(theta) * ry + cy;\n                if (!isFirst) {\n                    w += windingLine(xi, yi, x1, y1, x, y);\n                }\n                else {\n                    x0 = x1;\n                    y0 = y1;\n                }\n                var _x = (x - cx) * ry / rx + cx;\n                if (isStroke) {\n                    if (arc.containStroke(cx, cy, ry, theta, theta + dTheta, anticlockwise, lineWidth, _x, y)) {\n                        return true;\n                    }\n                }\n                else {\n                    w += windingArc(cx, cy, ry, theta, theta + dTheta, anticlockwise, _x, y);\n                }\n                xi = Math.cos(theta + dTheta) * rx + cx;\n                yi = Math.sin(theta + dTheta) * ry + cy;\n                break;\n            case CMD.R:\n                x0 = xi = data[i++];\n                y0 = yi = data[i++];\n                var width = data[i++];\n                var height = data[i++];\n                x1 = x0 + width;\n                y1 = y0 + height;\n                if (isStroke) {\n                    if (line.containStroke(x0, y0, x1, y0, lineWidth, x, y)\n                        || line.containStroke(x1, y0, x1, y1, lineWidth, x, y)\n                        || line.containStroke(x1, y1, x0, y1, lineWidth, x, y)\n                        || line.containStroke(x0, y1, x0, y0, lineWidth, x, y)) {\n                        return true;\n                    }\n                }\n                else {\n                    w += windingLine(x1, y0, x1, y1, x, y);\n                    w += windingLine(x0, y1, x0, y0, x, y);\n                }\n                break;\n            case CMD.Z:\n                if (isStroke) {\n                    if (line.containStroke(xi, yi, x0, y0, lineWidth, x, y)) {\n                        return true;\n                    }\n                }\n                else {\n                    w += windingLine(xi, yi, x0, y0, x, y);\n                }\n                xi = x0;\n                yi = y0;\n                break;\n        }\n    }\n    if (!isStroke && !isAroundEqual(yi, y0)) {\n        w += windingLine(xi, yi, x0, y0, x, y) || 0;\n    }\n    return w !== 0;\n}\nexport function contain(pathProxy, x, y) {\n    return containPath(pathProxy, 0, false, x, y);\n}\nexport function containStroke(pathProxy, lineWidth, x, y) {\n    return containPath(pathProxy, lineWidth, true, x, y);\n}\n","import { __extends } from \"tslib\";\nimport Displayable, { DEFAULT_COMMON_STYLE, DEFAULT_COMMON_ANIMATION_PROPS } from './Displayable';\nimport Element from '../Element';\nimport PathProxy from '../core/PathProxy';\nimport * as pathContain from '../contain/path';\nimport { defaults, keys, extend, clone, isString, createObject } from '../core/util';\nimport { lum } from '../tool/color';\nimport { DARK_LABEL_COLOR, LIGHT_LABEL_COLOR, DARK_MODE_THRESHOLD, LIGHTER_LABEL_COLOR } from '../config';\nexport var DEFAULT_PATH_STYLE = defaults({\n    fill: '#000',\n    stroke: null,\n    strokePercent: 1,\n    fillOpacity: 1,\n    strokeOpacity: 1,\n    lineDashOffset: 0,\n    lineWidth: 1,\n    lineCap: 'butt',\n    miterLimit: 10,\n    strokeNoScale: false,\n    strokeFirst: false\n}, DEFAULT_COMMON_STYLE);\nexport var DEFAULT_PATH_ANIMATION_PROPS = {\n    style: defaults({\n        fill: true,\n        stroke: true,\n        strokePercent: true,\n        fillOpacity: true,\n        strokeOpacity: true,\n        lineDashOffset: true,\n        lineWidth: true,\n        miterLimit: true\n    }, DEFAULT_COMMON_ANIMATION_PROPS.style)\n};\nvar pathCopyParams = [\n    'x', 'y', 'rotation', 'scaleX', 'scaleY', 'originX', 'originY', 'invisible',\n    'culling', 'z', 'z2', 'zlevel', 'parent'\n];\nvar Path = (function (_super) {\n    __extends(Path, _super);\n    function Path(opts) {\n        return _super.call(this, opts) || this;\n    }\n    Path.prototype.update = function () {\n        var _this = this;\n        _super.prototype.update.call(this);\n        var style = this.style;\n        if (style.decal) {\n            var decalEl = this._decalEl\n                = this._decalEl || new Path();\n            if (decalEl.buildPath === Path.prototype.buildPath) {\n                decalEl.buildPath = function (ctx) {\n                    _this.buildPath(ctx, _this.shape);\n                };\n            }\n            decalEl.silent = true;\n            var decalElStyle = decalEl.style;\n            for (var key in style) {\n                if (decalElStyle[key] !== style[key]) {\n                    decalElStyle[key] = style[key];\n                }\n            }\n            decalElStyle.fill = style.fill ? style.decal : null;\n            decalElStyle.decal = null;\n            decalElStyle.shadowColor = null;\n            style.strokeFirst && (decalElStyle.stroke = null);\n            for (var i = 0; i < pathCopyParams.length; ++i) {\n                decalEl[pathCopyParams[i]] = this[pathCopyParams[i]];\n            }\n            decalEl.__dirty |= Element.REDARAW_BIT;\n        }\n        else if (this._decalEl) {\n            this._decalEl = null;\n        }\n    };\n    Path.prototype.getDecalElement = function () {\n        return this._decalEl;\n    };\n    Path.prototype._init = function (props) {\n        var keysArr = keys(props);\n        this.shape = this.getDefaultShape();\n        var defaultStyle = this.getDefaultStyle();\n        if (defaultStyle) {\n            this.useStyle(defaultStyle);\n        }\n        for (var i = 0; i < keysArr.length; i++) {\n            var key = keysArr[i];\n            var value = props[key];\n            if (key === 'style') {\n                if (!this.style) {\n                    this.useStyle(value);\n                }\n                else {\n                    extend(this.style, value);\n                }\n            }\n            else if (key === 'shape') {\n                extend(this.shape, value);\n            }\n            else {\n                _super.prototype.attrKV.call(this, key, value);\n            }\n        }\n        if (!this.style) {\n            this.useStyle({});\n        }\n    };\n    Path.prototype.getDefaultStyle = function () {\n        return null;\n    };\n    Path.prototype.getDefaultShape = function () {\n        return {};\n    };\n    Path.prototype.canBeInsideText = function () {\n        return this.hasFill();\n    };\n    Path.prototype.getInsideTextFill = function () {\n        var pathFill = this.style.fill;\n        if (pathFill !== 'none') {\n            if (isString(pathFill)) {\n                var fillLum = lum(pathFill, 0);\n                if (fillLum > 0.5) {\n                    return DARK_LABEL_COLOR;\n                }\n                else if (fillLum > 0.2) {\n                    return LIGHTER_LABEL_COLOR;\n                }\n                return LIGHT_LABEL_COLOR;\n            }\n            else if (pathFill) {\n                return LIGHT_LABEL_COLOR;\n            }\n        }\n        return DARK_LABEL_COLOR;\n    };\n    Path.prototype.getInsideTextStroke = function (textFill) {\n        var pathFill = this.style.fill;\n        if (isString(pathFill)) {\n            var zr = this.__zr;\n            var isDarkMode = !!(zr && zr.isDarkMode());\n            var isDarkLabel = lum(textFill, 0) < DARK_MODE_THRESHOLD;\n            if (isDarkMode === isDarkLabel) {\n                return pathFill;\n            }\n        }\n    };\n    Path.prototype.buildPath = function (ctx, shapeCfg, inBundle) { };\n    Path.prototype.pathUpdated = function () {\n        this.__dirty &= ~Path.SHAPE_CHANGED_BIT;\n    };\n    Path.prototype.createPathProxy = function () {\n        this.path = new PathProxy(false);\n    };\n    Path.prototype.hasStroke = function () {\n        var style = this.style;\n        var stroke = style.stroke;\n        return !(stroke == null || stroke === 'none' || !(style.lineWidth > 0));\n    };\n    Path.prototype.hasFill = function () {\n        var style = this.style;\n        var fill = style.fill;\n        return fill != null && fill !== 'none';\n    };\n    Path.prototype.getBoundingRect = function () {\n        var rect = this._rect;\n        var style = this.style;\n        var needsUpdateRect = !rect;\n        if (needsUpdateRect) {\n            var firstInvoke = false;\n            if (!this.path) {\n                firstInvoke = true;\n                this.createPathProxy();\n            }\n            var path = this.path;\n            if (firstInvoke || (this.__dirty & Path.SHAPE_CHANGED_BIT)) {\n                path.beginPath();\n                this.buildPath(path, this.shape, false);\n                this.pathUpdated();\n            }\n            rect = path.getBoundingRect();\n        }\n        this._rect = rect;\n        if (this.hasStroke() && this.path && this.path.len() > 0) {\n            var rectWithStroke = this._rectWithStroke || (this._rectWithStroke = rect.clone());\n            if (this.__dirty || needsUpdateRect) {\n                rectWithStroke.copy(rect);\n                var lineScale = style.strokeNoScale ? this.getLineScale() : 1;\n                var w = style.lineWidth;\n                if (!this.hasFill()) {\n                    var strokeContainThreshold = this.strokeContainThreshold;\n                    w = Math.max(w, strokeContainThreshold == null ? 4 : strokeContainThreshold);\n                }\n                if (lineScale > 1e-10) {\n                    rectWithStroke.width += w / lineScale;\n                    rectWithStroke.height += w / lineScale;\n                    rectWithStroke.x -= w / lineScale / 2;\n                    rectWithStroke.y -= w / lineScale / 2;\n                }\n            }\n            return rectWithStroke;\n        }\n        return rect;\n    };\n    Path.prototype.contain = function (x, y) {\n        var localPos = this.transformCoordToLocal(x, y);\n        var rect = this.getBoundingRect();\n        var style = this.style;\n        x = localPos[0];\n        y = localPos[1];\n        if (rect.contain(x, y)) {\n            var pathProxy = this.path;\n            if (this.hasStroke()) {\n                var lineWidth = style.lineWidth;\n                var lineScale = style.strokeNoScale ? this.getLineScale() : 1;\n                if (lineScale > 1e-10) {\n                    if (!this.hasFill()) {\n                        lineWidth = Math.max(lineWidth, this.strokeContainThreshold);\n                    }\n                    if (pathContain.containStroke(pathProxy, lineWidth / lineScale, x, y)) {\n                        return true;\n                    }\n                }\n            }\n            if (this.hasFill()) {\n                return pathContain.contain(pathProxy, x, y);\n            }\n        }\n        return false;\n    };\n    Path.prototype.dirtyShape = function () {\n        this.__dirty |= Path.SHAPE_CHANGED_BIT;\n        if (this._rect) {\n            this._rect = null;\n        }\n        if (this._decalEl) {\n            this._decalEl.dirtyShape();\n        }\n        this.markRedraw();\n    };\n    Path.prototype.dirty = function () {\n        this.dirtyStyle();\n        this.dirtyShape();\n    };\n    Path.prototype.animateShape = function (loop) {\n        return this.animate('shape', loop);\n    };\n    Path.prototype.updateDuringAnimation = function (targetKey) {\n        if (targetKey === 'style') {\n            this.dirtyStyle();\n        }\n        else if (targetKey === 'shape') {\n            this.dirtyShape();\n        }\n        else {\n            this.markRedraw();\n        }\n    };\n    Path.prototype.attrKV = function (key, value) {\n        if (key === 'shape') {\n            this.setShape(value);\n        }\n        else {\n            _super.prototype.attrKV.call(this, key, value);\n        }\n    };\n    Path.prototype.setShape = function (keyOrObj, value) {\n        var shape = this.shape;\n        if (!shape) {\n            shape = this.shape = {};\n        }\n        if (typeof keyOrObj === 'string') {\n            shape[keyOrObj] = value;\n        }\n        else {\n            extend(shape, keyOrObj);\n        }\n        this.dirtyShape();\n        return this;\n    };\n    Path.prototype.shapeChanged = function () {\n        return !!(this.__dirty & Path.SHAPE_CHANGED_BIT);\n    };\n    Path.prototype.createStyle = function (obj) {\n        return createObject(DEFAULT_PATH_STYLE, obj);\n    };\n    Path.prototype._innerSaveToNormal = function (toState) {\n        _super.prototype._innerSaveToNormal.call(this, toState);\n        var normalState = this._normalState;\n        if (toState.shape && !normalState.shape) {\n            normalState.shape = extend({}, this.shape);\n        }\n    };\n    Path.prototype._applyStateObj = function (stateName, state, normalState, keepCurrentStates, transition, animationCfg) {\n        _super.prototype._applyStateObj.call(this, stateName, state, normalState, keepCurrentStates, transition, animationCfg);\n        var needsRestoreToNormal = !(state && keepCurrentStates);\n        var targetShape;\n        if (state && state.shape) {\n            if (transition) {\n                if (keepCurrentStates) {\n                    targetShape = state.shape;\n                }\n                else {\n                    targetShape = extend({}, normalState.shape);\n                    extend(targetShape, state.shape);\n                }\n            }\n            else {\n                targetShape = extend({}, keepCurrentStates ? this.shape : normalState.shape);\n                extend(targetShape, state.shape);\n            }\n        }\n        else if (needsRestoreToNormal) {\n            targetShape = normalState.shape;\n        }\n        if (targetShape) {\n            if (transition) {\n                this.shape = extend({}, this.shape);\n                var targetShapePrimaryProps = {};\n                var shapeKeys = keys(targetShape);\n                for (var i = 0; i < shapeKeys.length; i++) {\n                    var key = shapeKeys[i];\n                    if (typeof targetShape[key] === 'object') {\n                        this.shape[key] = targetShape[key];\n                    }\n                    else {\n                        targetShapePrimaryProps[key] = targetShape[key];\n                    }\n                }\n                this._transitionState(stateName, {\n                    shape: targetShapePrimaryProps\n                }, animationCfg);\n            }\n            else {\n                this.shape = targetShape;\n                this.dirtyShape();\n            }\n        }\n    };\n    Path.prototype._mergeStates = function (states) {\n        var mergedState = _super.prototype._mergeStates.call(this, states);\n        var mergedShape;\n        for (var i = 0; i < states.length; i++) {\n            var state = states[i];\n            if (state.shape) {\n                mergedShape = mergedShape || {};\n                this._mergeStyle(mergedShape, state.shape);\n            }\n        }\n        if (mergedShape) {\n            mergedState.shape = mergedShape;\n        }\n        return mergedState;\n    };\n    Path.prototype.getAnimationStyleProps = function () {\n        return DEFAULT_PATH_ANIMATION_PROPS;\n    };\n    Path.prototype.isZeroArea = function () {\n        return false;\n    };\n    Path.extend = function (defaultProps) {\n        var Sub = (function (_super) {\n            __extends(Sub, _super);\n            function Sub(opts) {\n                var _this = _super.call(this, opts) || this;\n                defaultProps.init && defaultProps.init.call(_this, opts);\n                return _this;\n            }\n            Sub.prototype.getDefaultStyle = function () {\n                return clone(defaultProps.style);\n            };\n            Sub.prototype.getDefaultShape = function () {\n                return clone(defaultProps.shape);\n            };\n            return Sub;\n        }(Path));\n        for (var key in defaultProps) {\n            if (typeof defaultProps[key] === 'function') {\n                Sub.prototype[key] = defaultProps[key];\n            }\n        }\n        return Sub;\n    };\n    Path.SHAPE_CHANGED_BIT = 4;\n    Path.initDefaultProps = (function () {\n        var pathProto = Path.prototype;\n        pathProto.type = 'path';\n        pathProto.strokeContainThreshold = 5;\n        pathProto.segmentIgnoreThreshold = 0;\n        pathProto.subPixelOptimize = false;\n        pathProto.autoBatch = false;\n        pathProto.__dirty = Element.REDARAW_BIT | Displayable.STYLE_CHANGED_BIT | Path.SHAPE_CHANGED_BIT;\n    })();\n    return Path;\n}(Displayable));\nexport default Path;\n","import Point from './Point';\nvar extent = [0, 0];\nvar extent2 = [0, 0];\nvar minTv = new Point();\nvar maxTv = new Point();\nvar OrientedBoundingRect = (function () {\n    function OrientedBoundingRect(rect, transform) {\n        this._corners = [];\n        this._axes = [];\n        this._origin = [0, 0];\n        for (var i = 0; i < 4; i++) {\n            this._corners[i] = new Point();\n        }\n        for (var i = 0; i < 2; i++) {\n            this._axes[i] = new Point();\n        }\n        if (rect) {\n            this.fromBoundingRect(rect, transform);\n        }\n    }\n    OrientedBoundingRect.prototype.fromBoundingRect = function (rect, transform) {\n        var corners = this._corners;\n        var axes = this._axes;\n        var x = rect.x;\n        var y = rect.y;\n        var x2 = x + rect.width;\n        var y2 = y + rect.height;\n        corners[0].set(x, y);\n        corners[1].set(x2, y);\n        corners[2].set(x2, y2);\n        corners[3].set(x, y2);\n        if (transform) {\n            for (var i = 0; i < 4; i++) {\n                corners[i].transform(transform);\n            }\n        }\n        Point.sub(axes[0], corners[1], corners[0]);\n        Point.sub(axes[1], corners[3], corners[0]);\n        axes[0].normalize();\n        axes[1].normalize();\n        for (var i = 0; i < 2; i++) {\n            this._origin[i] = axes[i].dot(corners[0]);\n        }\n    };\n    OrientedBoundingRect.prototype.intersect = function (other, mtv) {\n        var overlapped = true;\n        var noMtv = !mtv;\n        minTv.set(Infinity, Infinity);\n        maxTv.set(0, 0);\n        if (!this._intersectCheckOneSide(this, other, minTv, maxTv, noMtv, 1)) {\n            overlapped = false;\n            if (noMtv) {\n                return overlapped;\n            }\n        }\n        if (!this._intersectCheckOneSide(other, this, minTv, maxTv, noMtv, -1)) {\n            overlapped = false;\n            if (noMtv) {\n                return overlapped;\n            }\n        }\n        if (!noMtv) {\n            Point.copy(mtv, overlapped ? minTv : maxTv);\n        }\n        return overlapped;\n    };\n    OrientedBoundingRect.prototype._intersectCheckOneSide = function (self, other, minTv, maxTv, noMtv, inverse) {\n        var overlapped = true;\n        for (var i = 0; i < 2; i++) {\n            var axis = this._axes[i];\n            this._getProjMinMaxOnAxis(i, self._corners, extent);\n            this._getProjMinMaxOnAxis(i, other._corners, extent2);\n            if (extent[1] < extent2[0] || extent[0] > extent2[1]) {\n                overlapped = false;\n                if (noMtv) {\n                    return overlapped;\n                }\n                var dist0 = Math.abs(extent2[0] - extent[1]);\n                var dist1 = Math.abs(extent[0] - extent2[1]);\n                if (Math.min(dist0, dist1) > maxTv.len()) {\n                    if (dist0 < dist1) {\n                        Point.scale(maxTv, axis, -dist0 * inverse);\n                    }\n                    else {\n                        Point.scale(maxTv, axis, dist1 * inverse);\n                    }\n                }\n            }\n            else if (minTv) {\n                var dist0 = Math.abs(extent2[0] - extent[1]);\n                var dist1 = Math.abs(extent[0] - extent2[1]);\n                if (Math.min(dist0, dist1) < minTv.len()) {\n                    if (dist0 < dist1) {\n                        Point.scale(minTv, axis, dist0 * inverse);\n                    }\n                    else {\n                        Point.scale(minTv, axis, -dist1 * inverse);\n                    }\n                }\n            }\n        }\n        return overlapped;\n    };\n    OrientedBoundingRect.prototype._getProjMinMaxOnAxis = function (dim, corners, out) {\n        var axis = this._axes[dim];\n        var origin = this._origin;\n        var proj = corners[0].dot(axis) + origin[dim];\n        var min = proj;\n        var max = proj;\n        for (var i = 1; i < corners.length; i++) {\n            var proj_1 = corners[i].dot(axis) + origin[dim];\n            min = Math.min(proj_1, min);\n            max = Math.max(proj_1, max);\n        }\n        out[0] = min;\n        out[1] = max;\n    };\n    return OrientedBoundingRect;\n}());\nexport default OrientedBoundingRect;\n","import { __extends } from \"tslib\";\nimport Path from '../Path';\nimport { subPixelOptimizeLine } from '../helper/subPixelOptimize';\nvar subPixelOptimizeOutputShape = {};\nvar LineShape = (function () {\n    function LineShape() {\n        this.x1 = 0;\n        this.y1 = 0;\n        this.x2 = 0;\n        this.y2 = 0;\n        this.percent = 1;\n    }\n    return LineShape;\n}());\nexport { LineShape };\nvar Line = (function (_super) {\n    __extends(Line, _super);\n    function Line(opts) {\n        return _super.call(this, opts) || this;\n    }\n    Line.prototype.getDefaultStyle = function () {\n        return {\n            stroke: '#000',\n            fill: null\n        };\n    };\n    Line.prototype.getDefaultShape = function () {\n        return new LineShape();\n    };\n    Line.prototype.buildPath = function (ctx, shape) {\n        var x1;\n        var y1;\n        var x2;\n        var y2;\n        if (this.subPixelOptimize) {\n            var optimizedShape = subPixelOptimizeLine(subPixelOptimizeOutputShape, shape, this.style);\n            x1 = optimizedShape.x1;\n            y1 = optimizedShape.y1;\n            x2 = optimizedShape.x2;\n            y2 = optimizedShape.y2;\n        }\n        else {\n            x1 = shape.x1;\n            y1 = shape.y1;\n            x2 = shape.x2;\n            y2 = shape.y2;\n        }\n        var percent = shape.percent;\n        if (percent === 0) {\n            return;\n        }\n        ctx.moveTo(x1, y1);\n        if (percent < 1) {\n            x2 = x1 * (1 - percent) + x2 * percent;\n            y2 = y1 * (1 - percent) + y2 * percent;\n        }\n        ctx.lineTo(x2, y2);\n    };\n    Line.prototype.pointAt = function (p) {\n        var shape = this.shape;\n        return [\n            shape.x1 * (1 - p) + shape.x2 * p,\n            shape.y1 * (1 - p) + shape.y2 * p\n        ];\n    };\n    return Line;\n}(Path));\nLine.prototype.type = 'line';\nexport default Line;\n","import { __awaiter, __generator, __decorate, __param } from 'tslib';\nimport { InjectionToken, EventEmitter, Inject, ElementRef, NgZone, Input, Output, Directive, NgModule } from '@angular/core';\nimport ResizeObserver from 'resize-observer-polyfill';\nimport { of, EMPTY, Observable } from 'rxjs';\nimport { switchMap } from 'rxjs/operators';\n\nvar ChangeFilter = /** @class */ (function () {\n    function ChangeFilter(changes) {\n        this.changes = changes;\n    }\n    ChangeFilter.of = function (changes) {\n        return new ChangeFilter(changes);\n    };\n    ChangeFilter.prototype.notEmpty = function (key) {\n        if (this.changes[key]) {\n            var value = this.changes[key].currentValue;\n            if (value !== undefined && value !== null) {\n                return of(value);\n            }\n        }\n        return EMPTY;\n    };\n    ChangeFilter.prototype.has = function (key) {\n        if (this.changes[key]) {\n            var value = this.changes[key].currentValue;\n            return of(value);\n        }\n        return EMPTY;\n    };\n    ChangeFilter.prototype.notFirst = function (key) {\n        if (this.changes[key] && !this.changes[key].isFirstChange()) {\n            var value = this.changes[key].currentValue;\n            return of(value);\n        }\n        return EMPTY;\n    };\n    ChangeFilter.prototype.notFirstAndEmpty = function (key) {\n        if (this.changes[key] && !this.changes[key].isFirstChange()) {\n            var value = this.changes[key].currentValue;\n            if (value !== undefined && value !== null) {\n                return of(value);\n            }\n        }\n        return EMPTY;\n    };\n    return ChangeFilter;\n}());\n\nvar NGX_ECHARTS_CONFIG = new InjectionToken('NGX_ECHARTS_CONFIG');\nvar NgxEchartsDirective = /** @class */ (function () {\n    function NgxEchartsDirective(config, el, ngZone) {\n        this.el = el;\n        this.ngZone = ngZone;\n        this.autoResize = true;\n        this.loadingType = 'default';\n        // ngx-echarts events\n        this.chartInit = new EventEmitter();\n        this.optionsError = new EventEmitter();\n        // echarts mouse events\n        this.chartClick = this.createLazyEvent('click');\n        this.chartDblClick = this.createLazyEvent('dblclick');\n        this.chartMouseDown = this.createLazyEvent('mousedown');\n        this.chartMouseMove = this.createLazyEvent('mousemove');\n        this.chartMouseUp = this.createLazyEvent('mouseup');\n        this.chartMouseOver = this.createLazyEvent('mouseover');\n        this.chartMouseOut = this.createLazyEvent('mouseout');\n        this.chartGlobalOut = this.createLazyEvent('globalout');\n        this.chartContextMenu = this.createLazyEvent('contextmenu');\n        // echarts mouse events\n        this.chartLegendSelectChanged = this.createLazyEvent('legendselectchanged');\n        this.chartLegendSelected = this.createLazyEvent('legendselected');\n        this.chartLegendUnselected = this.createLazyEvent('legendunselected');\n        this.chartLegendScroll = this.createLazyEvent('legendscroll');\n        this.chartDataZoom = this.createLazyEvent('datazoom');\n        this.chartDataRangeSelected = this.createLazyEvent('datarangeselected');\n        this.chartTimelineChanged = this.createLazyEvent('timelinechanged');\n        this.chartTimelinePlayChanged = this.createLazyEvent('timelineplaychanged');\n        this.chartRestore = this.createLazyEvent('restore');\n        this.chartDataViewChanged = this.createLazyEvent('dataviewchanged');\n        this.chartMagicTypeChanged = this.createLazyEvent('magictypechanged');\n        this.chartPieSelectChanged = this.createLazyEvent('pieselectchanged');\n        this.chartPieSelected = this.createLazyEvent('pieselected');\n        this.chartPieUnselected = this.createLazyEvent('pieunselected');\n        this.chartMapSelectChanged = this.createLazyEvent('mapselectchanged');\n        this.chartMapSelected = this.createLazyEvent('mapselected');\n        this.chartMapUnselected = this.createLazyEvent('mapunselected');\n        this.chartAxisAreaSelected = this.createLazyEvent('axisareaselected');\n        this.chartFocusNodeAdjacency = this.createLazyEvent('focusnodeadjacency');\n        this.chartUnfocusNodeAdjacency = this.createLazyEvent('unfocusnodeadjacency');\n        this.chartBrush = this.createLazyEvent('brush');\n        this.chartBrushEnd = this.createLazyEvent('brushend');\n        this.chartBrushSelected = this.createLazyEvent('brushselected');\n        this.chartRendered = this.createLazyEvent('rendered');\n        this.chartFinished = this.createLazyEvent('finished');\n        this.animationFrameID = null;\n        this.echarts = config.echarts;\n    }\n    NgxEchartsDirective.prototype.ngOnChanges = function (changes) {\n        var _this = this;\n        var filter = ChangeFilter.of(changes);\n        filter.notFirstAndEmpty('options').subscribe(function (opt) { return _this.onOptionsChange(opt); });\n        filter.notFirstAndEmpty('merge').subscribe(function (opt) { return _this.setOption(opt); });\n        filter.has('loading').subscribe(function (v) { return _this.toggleLoading(!!v); });\n        filter.notFirst('theme').subscribe(function () { return _this.refreshChart(); });\n    };\n    NgxEchartsDirective.prototype.ngOnInit = function () {\n        var _this = this;\n        if (this.autoResize) {\n            this.resizeSub = new ResizeObserver(function () {\n                _this.animationFrameID = window.requestAnimationFrame(function () { return _this.resize(); });\n            });\n            this.resizeSub.observe(this.el.nativeElement);\n        }\n    };\n    NgxEchartsDirective.prototype.ngOnDestroy = function () {\n        if (this.resizeSub) {\n            this.resizeSub.unobserve(this.el.nativeElement);\n            window.cancelAnimationFrame(this.animationFrameID);\n        }\n        this.dispose();\n    };\n    NgxEchartsDirective.prototype.ngAfterViewInit = function () {\n        var _this = this;\n        setTimeout(function () { return _this.initChart(); });\n    };\n    NgxEchartsDirective.prototype.dispose = function () {\n        if (this.chart) {\n            this.chart.dispose();\n            this.chart = null;\n        }\n    };\n    /**\n     * resize chart\n     */\n    NgxEchartsDirective.prototype.resize = function () {\n        if (this.chart) {\n            this.chart.resize();\n        }\n    };\n    NgxEchartsDirective.prototype.toggleLoading = function (loading) {\n        if (this.chart) {\n            loading\n                ? this.chart.showLoading(this.loadingType, this.loadingOpts)\n                : this.chart.hideLoading();\n        }\n    };\n    NgxEchartsDirective.prototype.setOption = function (option, opts) {\n        if (this.chart) {\n            try {\n                this.chart.setOption(option, opts);\n            }\n            catch (e) {\n                console.error(e);\n                this.optionsError.emit(e);\n            }\n        }\n    };\n    /**\n     * dispose old chart and create a new one.\n     */\n    NgxEchartsDirective.prototype.refreshChart = function () {\n        return __awaiter(this, void 0, void 0, function () {\n            return __generator(this, function (_a) {\n                switch (_a.label) {\n                    case 0:\n                        this.dispose();\n                        return [4 /*yield*/, this.initChart()];\n                    case 1:\n                        _a.sent();\n                        return [2 /*return*/];\n                }\n            });\n        });\n    };\n    NgxEchartsDirective.prototype.createChart = function () {\n        var _this = this;\n        var dom = this.el.nativeElement;\n        if (window && window.getComputedStyle) {\n            var prop = window.getComputedStyle(dom, null).getPropertyValue('height');\n            if ((!prop || prop === '0px') && (!dom.style.height || dom.style.height === '0px')) {\n                dom.style.height = '400px';\n            }\n        }\n        // here a bit tricky: we check if the echarts module is provided as function returning native import('...') then use the promise\n        // otherwise create the function that imitates behaviour above with a provided as is module\n        return this.ngZone.runOutsideAngular(function () {\n            var load = typeof _this.echarts === 'function' ? _this.echarts : function () { return Promise.resolve(_this.echarts); };\n            return load().then(function (_a) {\n                var init = _a.init;\n                return init(dom, _this.theme, _this.initOpts);\n            });\n        });\n    };\n    NgxEchartsDirective.prototype.initChart = function () {\n        return __awaiter(this, void 0, void 0, function () {\n            return __generator(this, function (_a) {\n                switch (_a.label) {\n                    case 0: return [4 /*yield*/, this.onOptionsChange(this.options)];\n                    case 1:\n                        _a.sent();\n                        if (this.merge && this.chart) {\n                            this.setOption(this.merge);\n                        }\n                        return [2 /*return*/];\n                }\n            });\n        });\n    };\n    NgxEchartsDirective.prototype.onOptionsChange = function (opt) {\n        return __awaiter(this, void 0, void 0, function () {\n            var _a;\n            return __generator(this, function (_b) {\n                switch (_b.label) {\n                    case 0:\n                        if (!opt) {\n                            return [2 /*return*/];\n                        }\n                        if (!this.chart) return [3 /*break*/, 1];\n                        this.setOption(this.options, true);\n                        return [3 /*break*/, 3];\n                    case 1:\n                        _a = this;\n                        return [4 /*yield*/, this.createChart()];\n                    case 2:\n                        _a.chart = _b.sent();\n                        this.chartInit.emit(this.chart);\n                        this.setOption(this.options, true);\n                        _b.label = 3;\n                    case 3: return [2 /*return*/];\n                }\n            });\n        });\n    };\n    // allows to lazily bind to only those events that are requested through the `@Output` by parent components\n    // see https://stackoverflow.com/questions/51787972/optimal-reentering-the-ngzone-from-eventemitter-event for more info\n    NgxEchartsDirective.prototype.createLazyEvent = function (eventName) {\n        var _this = this;\n        return this.chartInit.pipe(switchMap(function (chart) {\n            return new Observable(function (observer) {\n                chart.on(eventName, function (data) { return _this.ngZone.run(function () { return observer.next(data); }); });\n                return function () { return chart.off(eventName); };\n            });\n        }));\n    };\n    NgxEchartsDirective.ctorParameters = function () { return [\n        { type: undefined, decorators: [{ type: Inject, args: [NGX_ECHARTS_CONFIG,] }] },\n        { type: ElementRef },\n        { type: NgZone }\n    ]; };\n    __decorate([\n        Input()\n    ], NgxEchartsDirective.prototype, \"options\", void 0);\n    __decorate([\n        Input()\n    ], NgxEchartsDirective.prototype, \"theme\", void 0);\n    __decorate([\n        Input()\n    ], NgxEchartsDirective.prototype, \"loading\", void 0);\n    __decorate([\n        Input()\n    ], NgxEchartsDirective.prototype, \"initOpts\", void 0);\n    __decorate([\n        Input()\n    ], NgxEchartsDirective.prototype, \"merge\", void 0);\n    __decorate([\n        Input()\n    ], NgxEchartsDirective.prototype, \"autoResize\", void 0);\n    __decorate([\n        Input()\n    ], NgxEchartsDirective.prototype, \"loadingType\", void 0);\n    __decorate([\n        Input()\n    ], NgxEchartsDirective.prototype, \"loadingOpts\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartInit\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"optionsError\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartClick\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartDblClick\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartMouseDown\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartMouseMove\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartMouseUp\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartMouseOver\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartMouseOut\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartGlobalOut\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartContextMenu\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartLegendSelectChanged\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartLegendSelected\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartLegendUnselected\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartLegendScroll\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartDataZoom\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartDataRangeSelected\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartTimelineChanged\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartTimelinePlayChanged\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartRestore\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartDataViewChanged\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartMagicTypeChanged\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartPieSelectChanged\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartPieSelected\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartPieUnselected\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartMapSelectChanged\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartMapSelected\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartMapUnselected\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartAxisAreaSelected\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartFocusNodeAdjacency\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartUnfocusNodeAdjacency\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartBrush\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartBrushEnd\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartBrushSelected\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartRendered\", void 0);\n    __decorate([\n        Output()\n    ], NgxEchartsDirective.prototype, \"chartFinished\", void 0);\n    NgxEchartsDirective = __decorate([\n        Directive({\n            selector: 'echarts, [echarts]',\n            exportAs: 'echarts',\n        }),\n        __param(0, Inject(NGX_ECHARTS_CONFIG))\n    ], NgxEchartsDirective);\n    return NgxEchartsDirective;\n}());\n\nvar NgxEchartsModule = /** @class */ (function () {\n    function NgxEchartsModule() {\n    }\n    NgxEchartsModule_1 = NgxEchartsModule;\n    NgxEchartsModule.forRoot = function (config) {\n        return {\n            ngModule: NgxEchartsModule_1,\n            providers: [{ provide: NGX_ECHARTS_CONFIG, useValue: config }],\n        };\n    };\n    NgxEchartsModule.forChild = function () {\n        return {\n            ngModule: NgxEchartsModule_1,\n        };\n    };\n    var NgxEchartsModule_1;\n    NgxEchartsModule = NgxEchartsModule_1 = __decorate([\n        NgModule({\n            imports: [],\n            declarations: [NgxEchartsDirective],\n            exports: [NgxEchartsDirective],\n        })\n    ], NgxEchartsModule);\n    return NgxEchartsModule;\n}());\n\n/*\n * Public API Surface of ngx-echarts\n */\n\n/**\n * Generated bundle index. Do not edit.\n */\n\nexport { NGX_ECHARTS_CONFIG, NgxEchartsDirective, NgxEchartsModule };\n","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport * as zrUtil from 'zrender/lib/core/util';\n\nvar Cartesian =\n/** @class */\nfunction () {\n  function Cartesian(name) {\n    this.type = 'cartesian';\n    this._dimList = [];\n    this._axes = {};\n    this.name = name || '';\n  }\n\n  Cartesian.prototype.getAxis = function (dim) {\n    return this._axes[dim];\n  };\n\n  Cartesian.prototype.getAxes = function () {\n    return zrUtil.map(this._dimList, function (dim) {\n      return this._axes[dim];\n    }, this);\n  };\n\n  Cartesian.prototype.getAxesByScale = function (scaleType) {\n    scaleType = scaleType.toLowerCase();\n    return zrUtil.filter(this.getAxes(), function (axis) {\n      return axis.scale.type === scaleType;\n    });\n  };\n\n  Cartesian.prototype.addAxis = function (axis) {\n    var dim = axis.dim;\n    this._axes[dim] = axis;\n\n    this._dimList.push(dim);\n  };\n\n  return Cartesian;\n}();\n\n;\nexport default Cartesian;","\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements.  See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership.  The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License.  You may obtain a copy of the License at\n*\n*   http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied.  See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { makeInner } from '../../util/model';\n/**\n * @return {string} If large mode changed, return string 'reset';\n */\n\nexport default function createRenderPlanner() {\n  var inner = makeInner();\n  return function (seriesModel) {\n    var fields = inner(seriesModel);\n    var pipelineContext = seriesModel.pipelineContext;\n    var originalLarge = !!fields.large;\n    var originalProgressive = !!fields.progressiveRender; // FIXME: if the planner works on a filtered series, `pipelineContext` does not\n    // exists. See #11611 . Probably we need to modify this structure, see the comment\n    // on `performRawSeries` in `Schedular.js`.\n\n    var large = fields.large = !!(pipelineContext && pipelineContext.large);\n    var progressive = fields.progressiveRender = !!(pipelineContext && pipelineContext.progressiveRender);\n    return !!(originalLarge !== large || originalProgressive !== progressive) && 'reset';\n  };\n}","import { Operator } from '../Operator';\nimport { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { Subscription } from '../Subscription';\nimport { OuterSubscriber } from '../OuterSubscriber';\nimport { InnerSubscriber } from '../InnerSubscriber';\nimport { subscribeToResult } from '../util/subscribeToResult';\nimport { ObservableInput, OperatorFunction } from '../types';\nimport { switchMap } from './switchMap';\n\n/* tslint:disable:max-line-length */\nexport function switchMapTo<R>(observable: ObservableInput<R>): OperatorFunction<any, R>;\n/** @deprecated resultSelector is no longer supported. Switch to using switchMap with an inner map */\nexport function switchMapTo<T, R>(observable: ObservableInput<R>, resultSelector: undefined): OperatorFunction<T, R>;\n/** @deprecated resultSelector is no longer supported. Switch to using switchMap with an inner map */\nexport function switchMapTo<T, I, R>(observable: ObservableInput<I>, resultSelector: (outerValue: T, innerValue: I, outerIndex: number, innerIndex: number) => R): OperatorFunction<T, R>;\n/* tslint:enable:max-line-length */\n\n/**\n * Projects each source value to the same Observable which is flattened multiple\n * times with {@link switchMap} in the output Observable.\n *\n * <span class=\"informal\">It's like {@link switchMap}, but maps each value\n * always to the same inner Observable.</span>\n *\n * ![](switchMapTo.png)\n *\n * Maps each source value to the given Observable `innerObservable` regardless\n * of the source value, and then flattens those resulting Observables into one\n * single Observable, which is the output Observable. The output Observables\n * emits values only from the most recently emitted instance of\n * `innerObservable`.\n *\n * ## Example\n * Rerun an interval Observable on every click event\n * ```ts\n * import { fromEvent, interval } from 'rxjs';\n * import { switchMapTo } from 'rxjs/operators';\n *\n * const clicks = fromEvent(document, 'click');\n * const result = clicks.pipe(switchMapTo(interval(1000)));\n * result.subscribe(x => console.log(x));\n * ```\n *\n * @see {@link concatMapTo}\n * @see {@link switchAll}\n * @see {@link switchMap}\n * @see {@link mergeMapTo}\n *\n * @param {ObservableInput} innerObservable An Observable to replace each value from\n * the source Observable.\n * @return {Observable} An Observable that emits items from the given\n * `innerObservable` (and optionally transformed through the deprecated `resultSelector`)\n * every time a value is emitted on the source Observable, and taking only the values\n * from the most recently projected inner Observable.\n * @method switchMapTo\n * @owner Observable\n */\nexport function switchMapTo<T, I, R>(\n  innerObservable: ObservableInput<I>,\n  resultSelector?: (outerValue: T, innerValue: I, outerIndex: number, innerIndex: number) => R\n): OperatorFunction<T, I|R> {\n  return resultSelector ? switchMap(() => innerObservable, resultSelector) : switchMap(() => innerObservable);\n}\n"],"sourceRoot":"webpack:///"}